1fb796c30SShashank Sharma /* SPDX-License-Identifier: MIT */ 2fb796c30SShashank Sharma /* 3fb796c30SShashank Sharma * Copyright 2023 Advanced Micro Devices, Inc. 4fb796c30SShashank Sharma * 5fb796c30SShashank Sharma * Permission is hereby granted, free of charge, to any person obtaining a 6fb796c30SShashank Sharma * copy of this software and associated documentation files (the "Software"), 7fb796c30SShashank Sharma * to deal in the Software without restriction, including without limitation 8fb796c30SShashank Sharma * the rights to use, copy, modify, merge, publish, distribute, sublicense, 9fb796c30SShashank Sharma * and/or sell copies of the Software, and to permit persons to whom the 10fb796c30SShashank Sharma * Software is furnished to do so, subject to the following conditions: 11fb796c30SShashank Sharma * 12fb796c30SShashank Sharma * The above copyright notice and this permission notice shall be included in 13fb796c30SShashank Sharma * all copies or substantial portions of the Software. 14fb796c30SShashank Sharma * 15fb796c30SShashank Sharma * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16fb796c30SShashank Sharma * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17fb796c30SShashank Sharma * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18fb796c30SShashank Sharma * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 19fb796c30SShashank Sharma * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 20fb796c30SShashank Sharma * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 21fb796c30SShashank Sharma * OTHER DEALINGS IN THE SOFTWARE. 22fb796c30SShashank Sharma * 23fb796c30SShashank Sharma */ 24fb796c30SShashank Sharma 25fb796c30SShashank Sharma #ifndef AMDGPU_EV_FENCE_H_ 26fb796c30SShashank Sharma #define AMDGPU_EV_FENCE_H_ 27fb796c30SShashank Sharma 28fb796c30SShashank Sharma struct amdgpu_eviction_fence { 29fb796c30SShashank Sharma struct dma_fence base; 30fb796c30SShashank Sharma spinlock_t lock; 31fb796c30SShashank Sharma char timeline_name[TASK_COMM_LEN]; 32fb796c30SShashank Sharma struct amdgpu_eviction_fence_mgr *evf_mgr; 33fb796c30SShashank Sharma }; 34fb796c30SShashank Sharma 35fb796c30SShashank Sharma struct amdgpu_eviction_fence_mgr { 36fb796c30SShashank Sharma u64 ev_fence_ctx; 37fb796c30SShashank Sharma atomic_t ev_fence_seq; 38fb796c30SShashank Sharma spinlock_t ev_fence_lock; 39fb796c30SShashank Sharma struct amdgpu_eviction_fence *ev_fence; 40b0328087SShashank Sharma struct delayed_work suspend_work; 4144cfdf36SShashank Sharma uint8_t fd_closing; 42fb796c30SShashank Sharma }; 43fb796c30SShashank Sharma 44fb796c30SShashank Sharma /* Eviction fence helper functions */ 45fb796c30SShashank Sharma struct amdgpu_eviction_fence * 46fb796c30SShashank Sharma amdgpu_eviction_fence_create(struct amdgpu_eviction_fence_mgr *evf_mgr); 47fb796c30SShashank Sharma 48fb796c30SShashank Sharma void 49fb796c30SShashank Sharma amdgpu_eviction_fence_destroy(struct amdgpu_eviction_fence_mgr *evf_mgr); 50fb796c30SShashank Sharma 51fb796c30SShashank Sharma int 52fb796c30SShashank Sharma amdgpu_eviction_fence_attach(struct amdgpu_eviction_fence_mgr *evf_mgr, 53fb796c30SShashank Sharma struct amdgpu_bo *bo); 54fb796c30SShashank Sharma 55fb796c30SShashank Sharma void 56fb796c30SShashank Sharma amdgpu_eviction_fence_detach(struct amdgpu_eviction_fence_mgr *evf_mgr, 57fb796c30SShashank Sharma struct amdgpu_bo *bo); 58fb796c30SShashank Sharma 59fb796c30SShashank Sharma int 60fb796c30SShashank Sharma amdgpu_eviction_fence_init(struct amdgpu_eviction_fence_mgr *evf_mgr); 61fb796c30SShashank Sharma 62fb796c30SShashank Sharma void 63*a242a3e4SShashank Sharma amdgpu_eviction_fence_signal(struct amdgpu_eviction_fence_mgr *evf_mgr, 64*a242a3e4SShashank Sharma struct amdgpu_eviction_fence *ev_fence); 65fb796c30SShashank Sharma 66b0328087SShashank Sharma int 67b0328087SShashank Sharma amdgpu_eviction_fence_replace_fence(struct amdgpu_eviction_fence_mgr *evf_mgr, 68b0328087SShashank Sharma struct drm_exec *exec); 69fb796c30SShashank Sharma #endif 70