amdgpu_amdkfd.c | Explore in Territory

// SPDX-License-Identifier: MIT
/*
 * Copyright 2014 Advanced Micro Devices, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */

#include "amdgpu_amdkfd.h"
#include "amd_pcie.h"
#include "amd_shared.h"

#include "amdgpu.h"
#include "amdgpu_gfx.h"
#include "amdgpu_dma_buf.h"
#include <drm/ttm/ttm_tt.h>
#include <linux/module.h>
#include <linux/dma-buf.h>
#include "amdgpu_xgmi.h"
#include <uapi/linux/kfd_ioctl.h>
#include "amdgpu_ras.h"
#include "amdgpu_umc.h"
#include "amdgpu_reset.h"

/* Total memory size in system memory and all GPU VRAM. Used to
 * estimate worst case amount of memory to reserve for page tables
 */
uint64_t amdgpu_amdkfd_total_mem_size;

static bool kfd_initialized;

int amdgpu_amdkfd_init(void)
{ … }

void amdgpu_amdkfd_fini(void)
{ … }

void amdgpu_amdkfd_device_probe(struct amdgpu_device *adev)
{ … }

/**
 * amdgpu_doorbell_get_kfd_info - Report doorbell configuration required to
 *                                setup amdkfd
 *
 * @adev: amdgpu_device pointer
 * @aperture_base: output returning doorbell aperture base physical address
 * @aperture_size: output returning doorbell aperture size in bytes
 * @start_offset: output returning # of doorbell bytes reserved for amdgpu.
 *
 * amdgpu and amdkfd share the doorbell aperture. amdgpu sets it up,
 * takes doorbells required for its own rings and reports the setup to amdkfd.
 * amdgpu reserved doorbells are at the start of the doorbell aperture.
 */
static void amdgpu_doorbell_get_kfd_info(struct amdgpu_device *adev,
					 phys_addr_t *aperture_base,
					 size_t *aperture_size,
					 size_t *start_offset)
{ … }


static void amdgpu_amdkfd_reset_work(struct work_struct *work)
{ … }

static const struct drm_client_funcs kfd_client_funcs = …;

int amdgpu_amdkfd_drm_client_create(struct amdgpu_device *adev)
{ … }

void amdgpu_amdkfd_device_init(struct amdgpu_device *adev)
{ … }

void amdgpu_amdkfd_device_fini_sw(struct amdgpu_device *adev)
{ … }

void amdgpu_amdkfd_interrupt(struct amdgpu_device *adev,
		const void *ih_ring_entry)
{ … }

void amdgpu_amdkfd_suspend(struct amdgpu_device *adev, bool run_pm)
{ … }

int amdgpu_amdkfd_resume(struct amdgpu_device *adev, bool run_pm)
{ … }

int amdgpu_amdkfd_pre_reset(struct amdgpu_device *adev,
			    struct amdgpu_reset_context *reset_context)
{ … }

int amdgpu_amdkfd_post_reset(struct amdgpu_device *adev)
{ … }

void amdgpu_amdkfd_gpu_reset(struct amdgpu_device *adev)
{ … }

int amdgpu_amdkfd_alloc_gtt_mem(struct amdgpu_device *adev, size_t size,
				void **mem_obj, uint64_t *gpu_addr,
				void **cpu_ptr, bool cp_mqd_gfx9)
{ … }

void amdgpu_amdkfd_free_gtt_mem(struct amdgpu_device *adev, void *mem_obj)
{ … }

int amdgpu_amdkfd_alloc_gws(struct amdgpu_device *adev, size_t size,
				void **mem_obj)
{ … }

void amdgpu_amdkfd_free_gws(struct amdgpu_device *adev, void *mem_obj)
{ … }

uint32_t amdgpu_amdkfd_get_fw_version(struct amdgpu_device *adev,
				      enum kgd_engine_type type)
{ … }

void amdgpu_amdkfd_get_local_mem_info(struct amdgpu_device *adev,
				      struct kfd_local_mem_info *mem_info,
				      struct amdgpu_xcp *xcp)
{ … }

uint64_t amdgpu_amdkfd_get_gpu_clock_counter(struct amdgpu_device *adev)
{ … }

uint32_t amdgpu_amdkfd_get_max_engine_clock_in_mhz(struct amdgpu_device *adev)
{ … }

int amdgpu_amdkfd_get_dmabuf_info(struct amdgpu_device *adev, int dma_buf_fd,
				  struct amdgpu_device **dmabuf_adev,
				  uint64_t *bo_size, void *metadata_buffer,
				  size_t buffer_size, uint32_t *metadata_size,
				  uint32_t *flags, int8_t *xcp_id)
{ … }

uint8_t amdgpu_amdkfd_get_xgmi_hops_count(struct amdgpu_device *dst,
					  struct amdgpu_device *src)
{ … }

int amdgpu_amdkfd_get_xgmi_bandwidth_mbytes(struct amdgpu_device *dst,
					    struct amdgpu_device *src,
					    bool is_min)
{ … }

int amdgpu_amdkfd_get_pcie_bandwidth_mbytes(struct amdgpu_device *adev, bool is_min)
{ … }

int amdgpu_amdkfd_submit_ib(struct amdgpu_device *adev,
				enum kgd_engine_type engine,
				uint32_t vmid, uint64_t gpu_addr,
				uint32_t *ib_cmd, uint32_t ib_len)
{ … }

void amdgpu_amdkfd_set_compute_idle(struct amdgpu_device *adev, bool idle)
{ … }

bool amdgpu_amdkfd_is_kfd_vmid(struct amdgpu_device *adev, u32 vmid)
{ … }

bool amdgpu_amdkfd_have_atomics_support(struct amdgpu_device *adev)
{ … }

void amdgpu_amdkfd_debug_mem_fence(struct amdgpu_device *adev)
{ … }

bool amdgpu_amdkfd_is_fed(struct amdgpu_device *adev)
{ … }

void amdgpu_amdkfd_ras_pasid_poison_consumption_handler(struct amdgpu_device *adev,
				enum amdgpu_ras_block block, uint16_t pasid,
				pasid_notify pasid_fn, void *data, uint32_t reset)
{ … }

void amdgpu_amdkfd_ras_poison_consumption_handler(struct amdgpu_device *adev,
	enum amdgpu_ras_block block, uint32_t reset)
{ … }

int amdgpu_amdkfd_send_close_event_drain_irq(struct amdgpu_device *adev,
					uint32_t *payload)
{ … }

bool amdgpu_amdkfd_ras_query_utcl2_poison_status(struct amdgpu_device *adev,
			int hub_inst, int hub_type)
{ … }

int amdgpu_amdkfd_check_and_lock_kfd(struct amdgpu_device *adev)
{ … }

void amdgpu_amdkfd_unlock_kfd(struct amdgpu_device *adev)
{ … }


u64 amdgpu_amdkfd_xcp_memory_size(struct amdgpu_device *adev, int xcp_id)
{ … }

int amdgpu_amdkfd_unmap_hiq(struct amdgpu_device *adev, u32 doorbell_off,
			    u32 inst)
{ … }
linux/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
