mirror of https://gitee.com/openkylin/linux.git
91 lines
3.1 KiB
C
91 lines
3.1 KiB
C
/*
|
|
* 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 "amdgpu_ring.h"
|
|
|
|
struct drm_device;
|
|
struct drm_file;
|
|
struct amdgpu_fpriv;
|
|
|
|
struct amdgpu_ctx_entity {
|
|
uint64_t sequence;
|
|
struct dma_fence **fences;
|
|
struct drm_sched_entity entity;
|
|
};
|
|
|
|
struct amdgpu_ctx {
|
|
struct kref refcount;
|
|
struct amdgpu_device *adev;
|
|
unsigned reset_counter;
|
|
unsigned reset_counter_query;
|
|
uint32_t vram_lost_counter;
|
|
spinlock_t ring_lock;
|
|
struct dma_fence **fences;
|
|
struct amdgpu_ctx_entity *entities[AMDGPU_HW_IP_NUM];
|
|
bool preamble_presented;
|
|
enum drm_sched_priority init_priority;
|
|
enum drm_sched_priority override_priority;
|
|
struct mutex lock;
|
|
atomic_t guilty;
|
|
unsigned long ras_counter_ce;
|
|
unsigned long ras_counter_ue;
|
|
};
|
|
|
|
struct amdgpu_ctx_mgr {
|
|
struct amdgpu_device *adev;
|
|
struct mutex lock;
|
|
/* protected by lock */
|
|
struct idr ctx_handles;
|
|
};
|
|
|
|
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);
|
|
void amdgpu_ctx_add_fence(struct amdgpu_ctx *ctx,
|
|
struct drm_sched_entity *entity,
|
|
struct dma_fence *fence, uint64_t *seq);
|
|
struct dma_fence *amdgpu_ctx_get_fence(struct amdgpu_ctx *ctx,
|
|
struct drm_sched_entity *entity,
|
|
uint64_t seq);
|
|
void amdgpu_ctx_priority_override(struct amdgpu_ctx *ctx,
|
|
enum drm_sched_priority priority);
|
|
|
|
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);
|
|
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);
|
|
|
|
#endif
|