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1 | /* |
2 | * Copyright 2016 Advanced Micro Devices, Inc. | |
3 | * | |
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: | |
10 | * | |
11 | * The above copyright notice and this permission notice shall be included in | |
12 | * all copies or substantial portions of the Software. | |
13 | * | |
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. | |
21 | * | |
22 | * Authors: Christian König | |
23 | */ | |
24 | #ifndef __AMDGPU_SYNC_H__ | |
25 | #define __AMDGPU_SYNC_H__ | |
26 | ||
27 | #include <linux/hashtable.h> | |
28 | ||
220196b3 | 29 | struct dma_fence; |
56113504 CK |
30 | struct reservation_object; |
31 | struct amdgpu_device; | |
32 | struct amdgpu_ring; | |
33 | ||
34 | /* | |
35 | * Container for fences used to sync command submissions. | |
36 | */ | |
37 | struct amdgpu_sync { | |
38 | DECLARE_HASHTABLE(fences, 4); | |
220196b3 | 39 | struct dma_fence *last_vm_update; |
56113504 CK |
40 | }; |
41 | ||
42 | void amdgpu_sync_create(struct amdgpu_sync *sync); | |
43 | int amdgpu_sync_fence(struct amdgpu_device *adev, struct amdgpu_sync *sync, | |
220196b3 | 44 | struct dma_fence *f); |
56113504 CK |
45 | int amdgpu_sync_resv(struct amdgpu_device *adev, |
46 | struct amdgpu_sync *sync, | |
47 | struct reservation_object *resv, | |
48 | void *owner); | |
220196b3 | 49 | struct dma_fence *amdgpu_sync_peek_fence(struct amdgpu_sync *sync, |
56113504 | 50 | struct amdgpu_ring *ring); |
220196b3 | 51 | struct dma_fence *amdgpu_sync_get_fence(struct amdgpu_sync *sync); |
a6583af4 | 52 | int amdgpu_sync_wait(struct amdgpu_sync *sync, bool intr); |
56113504 CK |
53 | void amdgpu_sync_free(struct amdgpu_sync *sync); |
54 | int amdgpu_sync_init(void); | |
55 | void amdgpu_sync_fini(void); | |
56 | ||
57 | #endif |