| /* |
| * Copyright 2016 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. |
| * |
| * Authors: Christian König |
| */ |
| #ifndef __AMDGPU_SYNC_H__ |
| #define __AMDGPU_SYNC_H__ |
| |
| #include <linux/hashtable.h> |
| |
| struct dma_fence; |
| struct dma_resv; |
| struct amdgpu_device; |
| struct amdgpu_ring; |
| |
| /* |
| * Container for fences used to sync command submissions. |
| */ |
| struct amdgpu_sync { |
| DECLARE_HASHTABLE(fences, 4); |
| struct dma_fence *last_vm_update; |
| }; |
| |
| void amdgpu_sync_create(struct amdgpu_sync *sync); |
| int amdgpu_sync_fence(struct amdgpu_device *adev, struct amdgpu_sync *sync, |
| struct dma_fence *f, bool explicit); |
| int amdgpu_sync_resv(struct amdgpu_device *adev, |
| struct amdgpu_sync *sync, |
| struct dma_resv *resv, |
| void *owner, |
| bool explicit_sync); |
| struct dma_fence *amdgpu_sync_peek_fence(struct amdgpu_sync *sync, |
| struct amdgpu_ring *ring); |
| struct dma_fence *amdgpu_sync_get_fence(struct amdgpu_sync *sync, bool *explicit); |
| int amdgpu_sync_clone(struct amdgpu_sync *source, struct amdgpu_sync *clone); |
| int amdgpu_sync_wait(struct amdgpu_sync *sync, bool intr); |
| void amdgpu_sync_free(struct amdgpu_sync *sync); |
| int amdgpu_sync_init(void); |
| void amdgpu_sync_fini(void); |
| |
| #endif |