/* 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. *
*/
struct amdgpu_userq_fence { struct dma_fence base; /* * This lock is necessary to synchronize the * userqueue dma fence operations.
*/
spinlock_t lock; struct list_head link; unsignedlong fence_drv_array_count; struct amdgpu_userq_fence_driver *fence_drv; struct amdgpu_userq_fence_driver **fence_drv_array;
};
struct amdgpu_userq_fence_driver { struct kref refcount;
u64 va;
u64 gpu_addr;
u64 *cpu_addr;
u64 context; /* * This lock is necesaary to synchronize the access * to the fences list by the fence driver.
*/
spinlock_t fence_list_lock; struct list_head fences; struct amdgpu_device *adev; char timeline_name[TASK_COMM_LEN];
};
int amdgpu_userq_fence_slab_init(void); void amdgpu_userq_fence_slab_fini(void);
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