amdgpu_ctx.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_CTX_H__
#define __AMDGPU_CTX_H__

#include <linux/ktime.h>
#include <linux/types.h>

#include "amdgpu_ring.h"

struct drm_device;
struct drm_file;
struct amdgpu_fpriv;
struct amdgpu_ctx_mgr;

#define AMDGPU_MAX_ENTITY_NUM …

struct amdgpu_ctx_entity { … };

struct amdgpu_ctx { … };

struct amdgpu_ctx_mgr { … };

extern const unsigned int amdgpu_ctx_num_entities[AMDGPU_HW_IP_NUM];

struct amdgpu_ctx *amdgpu_ctx_get(struct amdgpu_fpriv *fpriv, uint32_t id);
int amdgpu_ctx_put(struct amdgpu_ctx *ctx);

int amdgpu_ctx_get_entity(struct amdgpu_ctx *ctx, u32 hw_ip, u32 instance,
			  u32 ring, struct drm_sched_entity **entity);
uint64_t amdgpu_ctx_add_fence(struct amdgpu_ctx *ctx,
			      struct drm_sched_entity *entity,
			      struct dma_fence *fence);
struct dma_fence *amdgpu_ctx_get_fence(struct amdgpu_ctx *ctx,
				       struct drm_sched_entity *entity,
				       uint64_t seq);
bool amdgpu_ctx_priority_is_valid(int32_t ctx_prio);
void amdgpu_ctx_priority_override(struct amdgpu_ctx *ctx, int32_t ctx_prio);

int amdgpu_ctx_ioctl(struct drm_device *dev, void *data,
		     struct drm_file *filp);

int amdgpu_ctx_wait_prev_fence(struct amdgpu_ctx *ctx,
			       struct drm_sched_entity *entity);

void amdgpu_ctx_mgr_init(struct amdgpu_ctx_mgr *mgr,
			 struct amdgpu_device *adev);
void amdgpu_ctx_mgr_entity_fini(struct amdgpu_ctx_mgr *mgr);
long amdgpu_ctx_mgr_entity_flush(struct amdgpu_ctx_mgr *mgr, long timeout);
void amdgpu_ctx_mgr_fini(struct amdgpu_ctx_mgr *mgr);
void amdgpu_ctx_mgr_usage(struct amdgpu_ctx_mgr *mgr,
			  ktime_t usage[AMDGPU_HW_IP_NUM]);

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