diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_eviction_fence.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_eviction_fence.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_eviction_fence.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_eviction_fence.h new file mode 100644 index 000000000000..fcd867b7147d --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_eviction_fence.h @@ -0,0 +1,69 @@ +/* SPDX-License-Identifier: MIT */ +/* + * Copyright 2023 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_EV_FENCE_H_ +#define AMDGPU_EV_FENCE_H_ + +struct amdgpu_eviction_fence { + struct dma_fence base; + spinlock_t lock; + char timeline_name[TASK_COMM_LEN]; + struct amdgpu_eviction_fence_mgr *evf_mgr; +}; + +struct amdgpu_eviction_fence_mgr { + u64 ev_fence_ctx; + atomic_t ev_fence_seq; + spinlock_t ev_fence_lock; + struct amdgpu_eviction_fence *ev_fence; + struct delayed_work suspend_work; + uint8_t fd_closing; +}; + +/* Eviction fence helper functions */ +struct amdgpu_eviction_fence * +amdgpu_eviction_fence_create(struct amdgpu_eviction_fence_mgr *evf_mgr); + +void +amdgpu_eviction_fence_destroy(struct amdgpu_eviction_fence_mgr *evf_mgr); + +int +amdgpu_eviction_fence_attach(struct amdgpu_eviction_fence_mgr *evf_mgr, + struct amdgpu_bo *bo); + +void +amdgpu_eviction_fence_detach(struct amdgpu_eviction_fence_mgr *evf_mgr, + struct amdgpu_bo *bo); + +int +amdgpu_eviction_fence_init(struct amdgpu_eviction_fence_mgr *evf_mgr); + +void +amdgpu_eviction_fence_signal(struct amdgpu_eviction_fence_mgr *evf_mgr, + struct amdgpu_eviction_fence *ev_fence); + +int +amdgpu_eviction_fence_replace_fence(struct amdgpu_eviction_fence_mgr *evf_mgr, + struct drm_exec *exec); +#endif |