diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_sync.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_sync.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.h new file mode 100644 index 000000000000..605be266e07f --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.h @@ -0,0 +1,56 @@ +/* + * 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 reservation_object; +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); +int amdgpu_sync_resv(struct amdgpu_device *adev, + struct amdgpu_sync *sync, + struct reservation_object *resv, + void *owner); +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); +void amdgpu_sync_free(struct amdgpu_sync *sync); +int amdgpu_sync_init(void); +void amdgpu_sync_fini(void); + +#endif |
