2 * Copyright 2016 Advanced Micro Devices, Inc.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
22 * Authors: Christian König
24 #ifndef __AMDGPU_SYNC_H__
25 #define __AMDGPU_SYNC_H__
27 #include <linux/hashtable.h>
35 enum amdgpu_sync_mode {
43 * Container for fences used to sync command submissions.
46 DECLARE_HASHTABLE(fences, 4);
49 void amdgpu_sync_create(struct amdgpu_sync *sync);
50 int amdgpu_sync_fence(struct amdgpu_sync *sync, struct dma_fence *f);
51 int amdgpu_sync_resv(struct amdgpu_device *adev, struct amdgpu_sync *sync,
52 struct dma_resv *resv, enum amdgpu_sync_mode mode,
54 int amdgpu_sync_kfd(struct amdgpu_sync *sync, struct dma_resv *resv);
55 struct dma_fence *amdgpu_sync_peek_fence(struct amdgpu_sync *sync,
56 struct amdgpu_ring *ring);
57 struct dma_fence *amdgpu_sync_get_fence(struct amdgpu_sync *sync);
58 int amdgpu_sync_clone(struct amdgpu_sync *source, struct amdgpu_sync *clone);
59 int amdgpu_sync_push_to_job(struct amdgpu_sync *sync, struct amdgpu_job *job);
60 int amdgpu_sync_wait(struct amdgpu_sync *sync, bool intr);
61 void amdgpu_sync_free(struct amdgpu_sync *sync);
62 int amdgpu_sync_init(void);
63 void amdgpu_sync_fini(void);