amdgpu_sdma.h | Explore in Territory

/*
 * Copyright 2018 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.
 *
 */

#ifndef __AMDGPU_SDMA_H__
#define __AMDGPU_SDMA_H__
#include "amdgpu_ras.h"

/* max number of IP instances */
#define AMDGPU_MAX_SDMA_INSTANCES …

enum amdgpu_sdma_irq { … };

#define NUM_SDMA(x) …

struct amdgpu_sdma_instance { … };

enum amdgpu_sdma_ras_memory_id { … };

struct amdgpu_sdma_ras { … };

struct amdgpu_sdma { … };

/*
 * Provided by hw blocks that can move/clear data.  e.g., gfx or sdma
 * But currently, we use sdma to move data.
 */
struct amdgpu_buffer_funcs { … };

#define amdgpu_emit_copy_buffer(adev, ib, s, d, b, t) …
#define amdgpu_emit_fill_buffer(adev, ib, s, d, b) …

struct amdgpu_sdma_instance *
amdgpu_sdma_get_instance_from_ring(struct amdgpu_ring *ring);
int amdgpu_sdma_get_index_from_ring(struct amdgpu_ring *ring, uint32_t *index);
uint64_t amdgpu_sdma_get_csa_mc_addr(struct amdgpu_ring *ring, unsigned vmid);
int amdgpu_sdma_ras_late_init(struct amdgpu_device *adev,
			      struct ras_common_if *ras_block);
int amdgpu_sdma_process_ras_data_cb(struct amdgpu_device *adev,
		void *err_data,
		struct amdgpu_iv_entry *entry);
int amdgpu_sdma_process_ecc_irq(struct amdgpu_device *adev,
				      struct amdgpu_irq_src *source,
				      struct amdgpu_iv_entry *entry);
int amdgpu_sdma_init_microcode(struct amdgpu_device *adev, u32 instance,
			       bool duplicate);
void amdgpu_sdma_destroy_inst_ctx(struct amdgpu_device *adev,
        bool duplicate);
int amdgpu_sdma_ras_sw_init(struct amdgpu_device *adev);

#endif
linux/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h
