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 * Author: Monk.liu@amd.com 23 */ 24 25 #ifndef AMDGPU_CSA_MANAGER_H 26 #define AMDGPU_CSA_MANAGER_H 27 28 #define AMDGPU_CSA_SIZE (128 * 1024) 29 30 uint32_t amdgpu_get_total_csa_size(struct amdgpu_device *adev); 31 uint64_t amdgpu_csa_vaddr(struct amdgpu_device *adev); 32 int amdgpu_allocate_static_csa(struct amdgpu_device *adev, struct amdgpu_bo **bo, 33 u32 domain, uint32_t size); 34 int amdgpu_map_static_csa(struct amdgpu_device *adev, struct amdgpu_vm *vm, 35 struct amdgpu_bo *bo, struct amdgpu_bo_va **bo_va, 36 uint64_t csa_addr, uint32_t size); 37 int amdgpu_unmap_static_csa(struct amdgpu_device *adev, struct amdgpu_vm *vm, 38 struct amdgpu_bo *bo, struct amdgpu_bo_va *bo_va, 39 uint64_t csa_addr); 40 void amdgpu_free_static_csa(struct amdgpu_bo **bo); 41 42 #endif 43