t-base-301B-V001: First Release of t-base-301B Kernel Module and Kernel API. Compatible Android L. (39d1d7dc) · Commits · e / devices / samsung / android_kernel_samsung_msm8916

drivers/gud/Makefile

+3 −0

Original line number	Diff line number	Diff line
		@@ -23,6 +23,9 @@ mcKernelApi-objs := MobiCoreKernelApi/main.o \
		ccflags-y := -DNDEBUG -I$(GUD_ROOT_FOLDER)
		ccflags-y += -Wno-declaration-after-statement

		#Netlink changed arguments number
		ccflags-y += -DMC_NETLINK_COMPAT_V37

		ccflags-$(CONFIG_MOBICORE_DEBUG) += -DDEBUG
		ccflags-$(CONFIG_MOBICORE_VERBOSE) += -DDEBUG_VERBOSE

drivers/gud/MobiCoreDriver/logging.c

+4 −6

Original line number	Diff line number	Diff line
		/*
		* Copyright (c) 2013 TRUSTONIC LIMITED
		* Copyright (c) 2013-2014 TRUSTONIC LIMITED
		* All Rights Reserved.
		*
		* This program is free software; you can redistribute it and/or
		@@ -58,7 +58,6 @@ struct logmsg_struct {
		uint32_t log_data; /* Value, if any */
		};

		static bool prev_eol; /* Previous char was a EOL */
		static uint16_t prev_source; /* Previous Log source */
		static uint32_t log_pos; /* MobiCore log previous position */
		static struct mc_trace_buf log_buf; / MobiCore log buffer structure */
		@@ -74,7 +73,6 @@ static void log_eol(uint16_t source)
		log_line_len = 0;
		return;
		}
		prev_eol = true;
		/* MobiCore Userspace */
		if (prev_source)
		dev_info(mcd, "%03x\|%s\n", prev_source, log_line);
		@@ -104,7 +102,6 @@ static void log_char(char ch, uint16_t source)
		log_line[log_line_len] = ch;
		log_line[log_line_len + 1] = 0;
		log_line_len++;
		prev_eol = false;
		prev_source = source;
		}

		@@ -290,7 +287,6 @@ long mobicore_log_setup(void)
		log_thread = NULL;
		log_line = NULL;
		log_line_len = 0;
		prev_eol = false;
		prev_source = 0;
		thread_err = 0;

		@@ -330,7 +326,9 @@ long mobicore_log_setup(void)
		memset(&fc_log, 0, sizeof(fc_log));
		fc_log.as_in.cmd = MC_FC_NWD_TRACE;
		fc_log.as_in.param[0] = (uint32_t)phys_log_buf;
		fc_log.as_in.param[1] = (uint32_t)(((uint64_t)phys_log_buf) >> 32);
		#ifdef CONFIG_PHYS_ADDR_T_64BIT
		fc_log.as_in.param[1] = (uint32_t)(phys_log_buf >> 32);
		#endif
		fc_log.as_in.param[2] = log_size;

		MCDRV_DBG(mcd, "fc_log virt=%p phys=0x%llX",

drivers/gud/MobiCoreDriver/main.c

+38 −5

Original line number	Diff line number	Diff line
		/*
		* Copyright (c) 2013 TRUSTONIC LIMITED
		* Copyright (c) 2013-2014 TRUSTONIC LIMITED
		* All Rights Reserved.
		*
		* This program is free software; you can redistribute it and/or
		@@ -220,6 +220,8 @@ bool mc_check_owner_fd(struct mc_instance *instance, int32_t fd)

		rcu_read_lock();
		fp = fcheck_files(current->files, fd);
		if (fp == NULL)
		goto out;
		s = __get_socket(fp);
		if (s)
		peer = get_pid_task(s->sk_peer_pid, PIDTYPE_PID);
		@@ -392,7 +394,9 @@ int mc_get_buffer(struct mc_instance *instance,
		void *addr = 0;
		phys_addr_t phys = 0;
		unsigned int order;
		#if defined(DEBUG_VERBOSE)
		unsigned long allocated_size;
		#endif
		int ret = 0;

		if (WARN(!instance, "No instance data available"))
		@@ -408,7 +412,9 @@ int mc_get_buffer(struct mc_instance *instance,
		MCDRV_DBG_WARN(mcd, "Buffer size too large");
		return -ENOMEM;
		}
		#if defined(DEBUG_VERBOSE)
		allocated_size = (1 << order) * PAGE_SIZE;
		#endif

		if (mutex_lock_interruptible(&instance->lock))
		return -ERESTARTSYS;
		@@ -781,13 +787,41 @@ static long mc_fd_user_ioctl(struct file *file, unsigned int cmd,
		ret = mc_free_buffer(instance, (uint32_t)arg);
		break;

		/* 32/64 bit interface compatiblity notice:
		* mc_ioctl_reg_wsm has been defined with the buffer parameter
		* as void* which means that the size and layout of the structure
		* are different between 32 and 64 bit variants.
		* However our 64 bit Linux driver must be able to service both
		* 32 and 64 bit clients so we have to allow both IOCTLs. Though
		* we have a bit of copy paste code we provide maximum backwards
		* compatiblity */
		case MC_IO_REG_WSM:{
		struct mc_ioctl_reg_wsm reg;
		phys_addr_t phys;
		phys_addr_t phys = 0;
		if (copy_from_user(&reg, uarg, sizeof(reg)))
		return -EFAULT;

		ret = mc_register_wsm_mmu(instance,
		(void *)(uintptr_t)reg.buffer,
		reg.len, &reg.handle, &phys);
		reg.table_phys = phys;

		if (!ret) {
		if (copy_to_user(uarg, &reg, sizeof(reg))) {
		ret = -EFAULT;
		mc_unregister_wsm_mmu(instance, reg.handle);
		}
		}
		break;
		}
		case MC_COMPAT_REG_WSM:{
		struct mc_compat_ioctl_reg_wsm reg;
		phys_addr_t phys = 0;
		if (copy_from_user(&reg, uarg, sizeof(reg)))
		return -EFAULT;

		ret = mc_register_wsm_mmu(instance, (void *)reg.buffer,
		ret = mc_register_wsm_mmu(instance,
		(void *)(uintptr_t)reg.buffer,
		reg.len, &reg.handle, &phys);
		reg.table_phys = phys;

		@@ -1437,8 +1471,8 @@ free_pm:
		#ifdef MC_PM_RUNTIME
		mc_pm_free();
		free_isr:
		free_irq(MC_INTR_SSIQ, &ctx);
		#endif
		free_irq(MC_INTR_SSIQ, &ctx);
		err_req_irq:
		mc_fastcall_destroy();
		error:
		@@ -1489,7 +1523,6 @@ bool mc_sleep_ready(void)
		/* Linux Driver Module Macros */
		module_init(mobicore_init);
		module_exit(mobicore_exit);
		MODULE_AUTHOR("Giesecke & Devrient GmbH");
		MODULE_AUTHOR("Trustonic Limited");
		MODULE_LICENSE("GPL v2");
		MODULE_DESCRIPTION("MobiCore driver");

drivers/gud/MobiCoreDriver/platforms/MSM8960_SURF_STD/platform.h

+7 −6

Original line number	Diff line number	Diff line
		/*
		* Copyright (c) 2013 TRUSTONIC LIMITED
		* Copyright (c) 2013-2014 TRUSTONIC LIMITED
		* All Rights Reserved.
		*
		* This program is free software; you can redistribute it and/or
		@@ -20,6 +20,8 @@
		* Header file the MobiCore Driver Kernel Module,
		* its internal structures and defines.
		*/


		#ifndef _MC_PLATFORM_H_
		#define _MC_PLATFORM_H_

		@@ -31,7 +33,6 @@

		/--------------- Implementation -------------- /
		#include <soc/qcom/scm.h>

		/* from following file */
		#define SCM_SVC_MOBICORE 250
		#define SCM_CMD_MOBICORE 1
		@@ -54,10 +55,10 @@ static inline int smc_fastcall(void *fc_generic, size_t size)
		*/
		#define MC_VM_UNMAP

		/* Enable Power Management for Crypto Engine */
		#if defined(CONFIG_ARCH_MSM8974) \|\| defined(CONFIG_ARCH_MSM8226) \|\| \
		defined(CONFIG_ARCH_APQ8084)
		/* Perform clock enable/disable */
		/*
		* Perform crypto clock enable/disable
		*/
		#ifndef CONFIG_ARCH_MSM8960
		#define MC_CRYPTO_CLOCK_MANAGEMENT
		#endif

drivers/gud/MobiCoreDriver/pm.c

+0 −62

Original line number	Diff line number	Diff line
		@@ -127,57 +127,6 @@ static struct notifier_block mc_notif_block = {
		.notifier_call = mc_suspend_notifier,
		};

		#ifdef MC_BL_NOTIFIER

		static int bl_switcher_notifier_handler(struct notifier_block *this,
		unsigned long event, void *ptr)
		{
		unsigned int mpidr, cpu, cluster;
		struct mc_mcp_buffer *mcp = ctx->mcp;

		if (!mcp)
		return 0;

		asm volatile ("mrc\tp15, 0, %0, c0, c0, 5" : "=r" (mpidr));
		cpu = mpidr & 0x3;
		cluster = (mpidr >> 8) & 0xf;
		MCDRV_DBG(mcd, "%s switching!!, cpu: %u, Out=%u",
		(event == SWITCH_ENTER ? "Before" : "After"), cpu, cluster);

		if (cpu != 0)
		return 0;

		switch (event) {
		case SWITCH_ENTER:
		if (!sleep_ready()) {
		ctx->mcp->flags.sleep_mode.sleep_req = REQ_TO_SLEEP;
		_nsiq();
		/* By this time we should be ready for sleep or we are
		* in the middle of something important */
		if (!sleep_ready()) {
		dump_sleep_params(&mcp->flags);
		MCDRV_DBG(mcd,
		"MobiCore: Don't allow switch!");
		ctx->mcp->flags.sleep_mode.sleep_req = 0;
		return -EPERM;
		}
		}
		break;
		case SWITCH_EXIT:
		ctx->mcp->flags.sleep_mode.sleep_req = 0;
		break;
		default:
		MCDRV_DBG(mcd, "MobiCore: Unknown switch event!");
		}

		return 0;
		}

		static struct notifier_block switcher_nb = {
		.notifier_call = bl_switcher_notifier_handler,
		};
		#endif

		int mc_pm_initialize(struct mc_context *context)
		{
		int ret = 0;
		@@ -187,12 +136,6 @@ int mc_pm_initialize(struct mc_context *context)
		ret = register_pm_notifier(&mc_notif_block);
		if (ret)
		MCDRV_DBG_ERROR(mcd, "device pm register failed");
		#ifdef MC_BL_NOTIFIER
		if (register_bL_swicher_notifier(&switcher_nb))
		MCDRV_DBG_ERROR(mcd,
		"Failed to register to bl_switcher_notifier");
		#endif

		return ret;
		}

		@@ -201,11 +144,6 @@ int mc_pm_free(void)
		int ret = unregister_pm_notifier(&mc_notif_block);
		if (ret)
		MCDRV_DBG_ERROR(mcd, "device pm unregister failed");
		#ifdef MC_BL_NOTIFIER
		ret = unregister_bL_swicher_notifier(&switcher_nb);
		if (ret)
		MCDRV_DBG_ERROR(mcd, "device bl unregister failed");
		#endif
		return ret;
		}