arch/tile: provide kernel support for the tilegx mPIPE shim (4875f69f) · Commits · e / devices / android_kernel_oneplus_sm8150

arch/tile/gxio/Kconfig

+6 −0

Original line number	Diff line number	Diff line
		@@ -9,3 +9,9 @@ config TILE_GXIO
		config TILE_GXIO_DMA
		bool
		select TILE_GXIO

		# Support direct access to the TILE-Gx mPIPE hardware from kernel space.
		config TILE_GXIO_MPIPE
		bool
		select TILE_GXIO
		select TILE_GXIO_DMA

arch/tile/gxio/Makefile

+1 −0

Original line number	Diff line number	Diff line
		@@ -4,3 +4,4 @@

		obj-$(CONFIG_TILE_GXIO) += iorpc_globals.o kiorpc.o
		obj-$(CONFIG_TILE_GXIO_DMA) += dma_queue.o
		obj-$(CONFIG_TILE_GXIO_MPIPE) += mpipe.o iorpc_mpipe.o iorpc_mpipe_info.o

arch/tile/gxio/iorpc_mpipe.c

0 → 100644

+529 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright 2012 Tilera Corporation. All Rights Reserved.
		*
		* This program is free software; you can redistribute it and/or
		* modify it under the terms of the GNU General Public License
		* as published by the Free Software Foundation, version 2.
		*
		* This program is distributed in the hope that it will be useful, but
		* WITHOUT ANY WARRANTY; without even the implied warranty of
		* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
		* NON INFRINGEMENT. See the GNU General Public License for
		* more details.
		*/

		/* This file is machine-generated; DO NOT EDIT! */
		#include "gxio/iorpc_mpipe.h"

		struct alloc_buffer_stacks_param {
		unsigned int count;
		unsigned int first;
		unsigned int flags;
		};

		int gxio_mpipe_alloc_buffer_stacks(gxio_mpipe_context_t * context,
		unsigned int count, unsigned int first,
		unsigned int flags)
		{
		struct alloc_buffer_stacks_param temp;
		struct alloc_buffer_stacks_param *params = &temp;

		params->count = count;
		params->first = first;
		params->flags = flags;

		return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params,
		sizeof(*params),
		GXIO_MPIPE_OP_ALLOC_BUFFER_STACKS);
		}

		EXPORT_SYMBOL(gxio_mpipe_alloc_buffer_stacks);

		struct init_buffer_stack_aux_param {
		union iorpc_mem_buffer buffer;
		unsigned int stack;
		unsigned int buffer_size_enum;
		};

		int gxio_mpipe_init_buffer_stack_aux(gxio_mpipe_context_t * context,
		void *mem_va, size_t mem_size,
		unsigned int mem_flags, unsigned int stack,
		unsigned int buffer_size_enum)
		{
		int __result;
		unsigned long long __cpa;
		pte_t __pte;
		struct init_buffer_stack_aux_param temp;
		struct init_buffer_stack_aux_param *params = &temp;

		__result = va_to_cpa_and_pte(mem_va, &__cpa, &__pte);
		if (__result != 0)
		return __result;
		params->buffer.kernel.cpa = __cpa;
		params->buffer.kernel.size = mem_size;
		params->buffer.kernel.pte = __pte;
		params->buffer.kernel.flags = mem_flags;
		params->stack = stack;
		params->buffer_size_enum = buffer_size_enum;

		return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params,
		sizeof(*params),
		GXIO_MPIPE_OP_INIT_BUFFER_STACK_AUX);
		}

		EXPORT_SYMBOL(gxio_mpipe_init_buffer_stack_aux);


		struct alloc_notif_rings_param {
		unsigned int count;
		unsigned int first;
		unsigned int flags;
		};

		int gxio_mpipe_alloc_notif_rings(gxio_mpipe_context_t * context,
		unsigned int count, unsigned int first,
		unsigned int flags)
		{
		struct alloc_notif_rings_param temp;
		struct alloc_notif_rings_param *params = &temp;

		params->count = count;
		params->first = first;
		params->flags = flags;

		return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params,
		sizeof(*params), GXIO_MPIPE_OP_ALLOC_NOTIF_RINGS);
		}

		EXPORT_SYMBOL(gxio_mpipe_alloc_notif_rings);

		struct init_notif_ring_aux_param {
		union iorpc_mem_buffer buffer;
		unsigned int ring;
		};

		int gxio_mpipe_init_notif_ring_aux(gxio_mpipe_context_t * context, void *mem_va,
		size_t mem_size, unsigned int mem_flags,
		unsigned int ring)
		{
		int __result;
		unsigned long long __cpa;
		pte_t __pte;
		struct init_notif_ring_aux_param temp;
		struct init_notif_ring_aux_param *params = &temp;

		__result = va_to_cpa_and_pte(mem_va, &__cpa, &__pte);
		if (__result != 0)
		return __result;
		params->buffer.kernel.cpa = __cpa;
		params->buffer.kernel.size = mem_size;
		params->buffer.kernel.pte = __pte;
		params->buffer.kernel.flags = mem_flags;
		params->ring = ring;

		return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params,
		sizeof(*params),
		GXIO_MPIPE_OP_INIT_NOTIF_RING_AUX);
		}

		EXPORT_SYMBOL(gxio_mpipe_init_notif_ring_aux);

		struct request_notif_ring_interrupt_param {
		union iorpc_interrupt interrupt;
		unsigned int ring;
		};

		int gxio_mpipe_request_notif_ring_interrupt(gxio_mpipe_context_t * context,
		int inter_x, int inter_y,
		int inter_ipi, int inter_event,
		unsigned int ring)
		{
		struct request_notif_ring_interrupt_param temp;
		struct request_notif_ring_interrupt_param *params = &temp;

		params->interrupt.kernel.x = inter_x;
		params->interrupt.kernel.y = inter_y;
		params->interrupt.kernel.ipi = inter_ipi;
		params->interrupt.kernel.event = inter_event;
		params->ring = ring;

		return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params,
		sizeof(*params),
		GXIO_MPIPE_OP_REQUEST_NOTIF_RING_INTERRUPT);
		}

		EXPORT_SYMBOL(gxio_mpipe_request_notif_ring_interrupt);

		struct enable_notif_ring_interrupt_param {
		unsigned int ring;
		};

		int gxio_mpipe_enable_notif_ring_interrupt(gxio_mpipe_context_t * context,
		unsigned int ring)
		{
		struct enable_notif_ring_interrupt_param temp;
		struct enable_notif_ring_interrupt_param *params = &temp;

		params->ring = ring;

		return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params,
		sizeof(*params),
		GXIO_MPIPE_OP_ENABLE_NOTIF_RING_INTERRUPT);
		}

		EXPORT_SYMBOL(gxio_mpipe_enable_notif_ring_interrupt);

		struct alloc_notif_groups_param {
		unsigned int count;
		unsigned int first;
		unsigned int flags;
		};

		int gxio_mpipe_alloc_notif_groups(gxio_mpipe_context_t * context,
		unsigned int count, unsigned int first,
		unsigned int flags)
		{
		struct alloc_notif_groups_param temp;
		struct alloc_notif_groups_param *params = &temp;

		params->count = count;
		params->first = first;
		params->flags = flags;

		return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params,
		sizeof(*params), GXIO_MPIPE_OP_ALLOC_NOTIF_GROUPS);
		}

		EXPORT_SYMBOL(gxio_mpipe_alloc_notif_groups);

		struct init_notif_group_param {
		unsigned int group;
		gxio_mpipe_notif_group_bits_t bits;
		};

		int gxio_mpipe_init_notif_group(gxio_mpipe_context_t * context,
		unsigned int group,
		gxio_mpipe_notif_group_bits_t bits)
		{
		struct init_notif_group_param temp;
		struct init_notif_group_param *params = &temp;

		params->group = group;
		params->bits = bits;

		return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params,
		sizeof(*params), GXIO_MPIPE_OP_INIT_NOTIF_GROUP);
		}

		EXPORT_SYMBOL(gxio_mpipe_init_notif_group);

		struct alloc_buckets_param {
		unsigned int count;
		unsigned int first;
		unsigned int flags;
		};

		int gxio_mpipe_alloc_buckets(gxio_mpipe_context_t * context, unsigned int count,
		unsigned int first, unsigned int flags)
		{
		struct alloc_buckets_param temp;
		struct alloc_buckets_param *params = &temp;

		params->count = count;
		params->first = first;
		params->flags = flags;

		return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params,
		sizeof(*params), GXIO_MPIPE_OP_ALLOC_BUCKETS);
		}

		EXPORT_SYMBOL(gxio_mpipe_alloc_buckets);

		struct init_bucket_param {
		unsigned int bucket;
		MPIPE_LBL_INIT_DAT_BSTS_TBL_t bucket_info;
		};

		int gxio_mpipe_init_bucket(gxio_mpipe_context_t * context, unsigned int bucket,
		MPIPE_LBL_INIT_DAT_BSTS_TBL_t bucket_info)
		{
		struct init_bucket_param temp;
		struct init_bucket_param *params = &temp;

		params->bucket = bucket;
		params->bucket_info = bucket_info;

		return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params,
		sizeof(*params), GXIO_MPIPE_OP_INIT_BUCKET);
		}

		EXPORT_SYMBOL(gxio_mpipe_init_bucket);

		struct alloc_edma_rings_param {
		unsigned int count;
		unsigned int first;
		unsigned int flags;
		};

		int gxio_mpipe_alloc_edma_rings(gxio_mpipe_context_t * context,
		unsigned int count, unsigned int first,
		unsigned int flags)
		{
		struct alloc_edma_rings_param temp;
		struct alloc_edma_rings_param *params = &temp;

		params->count = count;
		params->first = first;
		params->flags = flags;

		return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params,
		sizeof(*params), GXIO_MPIPE_OP_ALLOC_EDMA_RINGS);
		}

		EXPORT_SYMBOL(gxio_mpipe_alloc_edma_rings);

		struct init_edma_ring_aux_param {
		union iorpc_mem_buffer buffer;
		unsigned int ring;
		unsigned int channel;
		};

		int gxio_mpipe_init_edma_ring_aux(gxio_mpipe_context_t * context, void *mem_va,
		size_t mem_size, unsigned int mem_flags,
		unsigned int ring, unsigned int channel)
		{
		int __result;
		unsigned long long __cpa;
		pte_t __pte;
		struct init_edma_ring_aux_param temp;
		struct init_edma_ring_aux_param *params = &temp;

		__result = va_to_cpa_and_pte(mem_va, &__cpa, &__pte);
		if (__result != 0)
		return __result;
		params->buffer.kernel.cpa = __cpa;
		params->buffer.kernel.size = mem_size;
		params->buffer.kernel.pte = __pte;
		params->buffer.kernel.flags = mem_flags;
		params->ring = ring;
		params->channel = channel;

		return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params,
		sizeof(*params), GXIO_MPIPE_OP_INIT_EDMA_RING_AUX);
		}

		EXPORT_SYMBOL(gxio_mpipe_init_edma_ring_aux);


		int gxio_mpipe_commit_rules(gxio_mpipe_context_t * context, const void *blob,
		size_t blob_size)
		{
		const void *params = blob;

		return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params, blob_size,
		GXIO_MPIPE_OP_COMMIT_RULES);
		}

		EXPORT_SYMBOL(gxio_mpipe_commit_rules);

		struct register_client_memory_param {
		unsigned int iotlb;
		HV_PTE pte;
		unsigned int flags;
		};

		int gxio_mpipe_register_client_memory(gxio_mpipe_context_t * context,
		unsigned int iotlb, HV_PTE pte,
		unsigned int flags)
		{
		struct register_client_memory_param temp;
		struct register_client_memory_param *params = &temp;

		params->iotlb = iotlb;
		params->pte = pte;
		params->flags = flags;

		return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params,
		sizeof(*params),
		GXIO_MPIPE_OP_REGISTER_CLIENT_MEMORY);
		}

		EXPORT_SYMBOL(gxio_mpipe_register_client_memory);

		struct link_open_aux_param {
		_gxio_mpipe_link_name_t name;
		unsigned int flags;
		};

		int gxio_mpipe_link_open_aux(gxio_mpipe_context_t * context,
		_gxio_mpipe_link_name_t name, unsigned int flags)
		{
		struct link_open_aux_param temp;
		struct link_open_aux_param *params = &temp;

		params->name = name;
		params->flags = flags;

		return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params,
		sizeof(*params), GXIO_MPIPE_OP_LINK_OPEN_AUX);
		}

		EXPORT_SYMBOL(gxio_mpipe_link_open_aux);

		struct link_close_aux_param {
		int mac;
		};

		int gxio_mpipe_link_close_aux(gxio_mpipe_context_t * context, int mac)
		{
		struct link_close_aux_param temp;
		struct link_close_aux_param *params = &temp;

		params->mac = mac;

		return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params,
		sizeof(*params), GXIO_MPIPE_OP_LINK_CLOSE_AUX);
		}

		EXPORT_SYMBOL(gxio_mpipe_link_close_aux);


		struct get_timestamp_aux_param {
		uint64_t sec;
		uint64_t nsec;
		uint64_t cycles;
		};

		int gxio_mpipe_get_timestamp_aux(gxio_mpipe_context_t * context, uint64_t * sec,
		uint64_t * nsec, uint64_t * cycles)
		{
		int __result;
		struct get_timestamp_aux_param temp;
		struct get_timestamp_aux_param *params = &temp;

		__result =
		hv_dev_pread(context->fd, 0, (HV_VirtAddr) params, sizeof(*params),
		GXIO_MPIPE_OP_GET_TIMESTAMP_AUX);
		*sec = params->sec;
		*nsec = params->nsec;
		*cycles = params->cycles;

		return __result;
		}

		EXPORT_SYMBOL(gxio_mpipe_get_timestamp_aux);

		struct set_timestamp_aux_param {
		uint64_t sec;
		uint64_t nsec;
		uint64_t cycles;
		};

		int gxio_mpipe_set_timestamp_aux(gxio_mpipe_context_t * context, uint64_t sec,
		uint64_t nsec, uint64_t cycles)
		{
		struct set_timestamp_aux_param temp;
		struct set_timestamp_aux_param *params = &temp;

		params->sec = sec;
		params->nsec = nsec;
		params->cycles = cycles;

		return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params,
		sizeof(*params), GXIO_MPIPE_OP_SET_TIMESTAMP_AUX);
		}

		EXPORT_SYMBOL(gxio_mpipe_set_timestamp_aux);

		struct adjust_timestamp_aux_param {
		int64_t nsec;
		};

		int gxio_mpipe_adjust_timestamp_aux(gxio_mpipe_context_t * context,
		int64_t nsec)
		{
		struct adjust_timestamp_aux_param temp;
		struct adjust_timestamp_aux_param *params = &temp;

		params->nsec = nsec;

		return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params,
		sizeof(*params),
		GXIO_MPIPE_OP_ADJUST_TIMESTAMP_AUX);
		}

		EXPORT_SYMBOL(gxio_mpipe_adjust_timestamp_aux);

		struct arm_pollfd_param {
		union iorpc_pollfd pollfd;
		};

		int gxio_mpipe_arm_pollfd(gxio_mpipe_context_t * context, int pollfd_cookie)
		{
		struct arm_pollfd_param temp;
		struct arm_pollfd_param *params = &temp;

		params->pollfd.kernel.cookie = pollfd_cookie;

		return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params,
		sizeof(*params), GXIO_MPIPE_OP_ARM_POLLFD);
		}

		EXPORT_SYMBOL(gxio_mpipe_arm_pollfd);

		struct close_pollfd_param {
		union iorpc_pollfd pollfd;
		};

		int gxio_mpipe_close_pollfd(gxio_mpipe_context_t * context, int pollfd_cookie)
		{
		struct close_pollfd_param temp;
		struct close_pollfd_param *params = &temp;

		params->pollfd.kernel.cookie = pollfd_cookie;

		return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params,
		sizeof(*params), GXIO_MPIPE_OP_CLOSE_POLLFD);
		}

		EXPORT_SYMBOL(gxio_mpipe_close_pollfd);

		struct get_mmio_base_param {
		HV_PTE base;
		};

		int gxio_mpipe_get_mmio_base(gxio_mpipe_context_t * context, HV_PTE *base)
		{
		int __result;
		struct get_mmio_base_param temp;
		struct get_mmio_base_param *params = &temp;

		__result =
		hv_dev_pread(context->fd, 0, (HV_VirtAddr) params, sizeof(*params),
		GXIO_MPIPE_OP_GET_MMIO_BASE);
		*base = params->base;

		return __result;
		}

		EXPORT_SYMBOL(gxio_mpipe_get_mmio_base);

		struct check_mmio_offset_param {
		unsigned long offset;
		unsigned long size;
		};

		int gxio_mpipe_check_mmio_offset(gxio_mpipe_context_t * context,
		unsigned long offset, unsigned long size)
		{
		struct check_mmio_offset_param temp;
		struct check_mmio_offset_param *params = &temp;

		params->offset = offset;
		params->size = size;

		return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params,
		sizeof(*params), GXIO_MPIPE_OP_CHECK_MMIO_OFFSET);
		}

		EXPORT_SYMBOL(gxio_mpipe_check_mmio_offset);

arch/tile/gxio/iorpc_mpipe_info.c

0 → 100644

+85 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright 2012 Tilera Corporation. All Rights Reserved.
		*
		* This program is free software; you can redistribute it and/or
		* modify it under the terms of the GNU General Public License
		* as published by the Free Software Foundation, version 2.
		*
		* This program is distributed in the hope that it will be useful, but
		* WITHOUT ANY WARRANTY; without even the implied warranty of
		* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
		* NON INFRINGEMENT. See the GNU General Public License for
		* more details.
		*/

		/* This file is machine-generated; DO NOT EDIT! */
		#include "gxio/iorpc_mpipe_info.h"


		struct enumerate_aux_param {
		_gxio_mpipe_link_name_t name;
		_gxio_mpipe_link_mac_t mac;
		};

		int gxio_mpipe_info_enumerate_aux(gxio_mpipe_info_context_t * context,
		unsigned int idx,
		_gxio_mpipe_link_name_t * name,
		_gxio_mpipe_link_mac_t * mac)
		{
		int __result;
		struct enumerate_aux_param temp;
		struct enumerate_aux_param *params = &temp;

		__result =
		hv_dev_pread(context->fd, 0, (HV_VirtAddr) params, sizeof(*params),
		(((uint64_t) idx << 32) \|
		GXIO_MPIPE_INFO_OP_ENUMERATE_AUX));
		*name = params->name;
		*mac = params->mac;

		return __result;
		}

		EXPORT_SYMBOL(gxio_mpipe_info_enumerate_aux);

		struct get_mmio_base_param {
		HV_PTE base;
		};

		int gxio_mpipe_info_get_mmio_base(gxio_mpipe_info_context_t * context,
		HV_PTE *base)
		{
		int __result;
		struct get_mmio_base_param temp;
		struct get_mmio_base_param *params = &temp;

		__result =
		hv_dev_pread(context->fd, 0, (HV_VirtAddr) params, sizeof(*params),
		GXIO_MPIPE_INFO_OP_GET_MMIO_BASE);
		*base = params->base;

		return __result;
		}

		EXPORT_SYMBOL(gxio_mpipe_info_get_mmio_base);

		struct check_mmio_offset_param {
		unsigned long offset;
		unsigned long size;
		};

		int gxio_mpipe_info_check_mmio_offset(gxio_mpipe_info_context_t * context,
		unsigned long offset, unsigned long size)
		{
		struct check_mmio_offset_param temp;
		struct check_mmio_offset_param *params = &temp;

		params->offset = offset;
		params->size = size;

		return hv_dev_pwrite(context->fd, 0, (HV_VirtAddr) params,
		sizeof(*params),
		GXIO_MPIPE_INFO_OP_CHECK_MMIO_OFFSET);
		}

		EXPORT_SYMBOL(gxio_mpipe_info_check_mmio_offset);

arch/tile/gxio/mpipe.c

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+545 −0

File added.

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