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1/*2 * Copyright 2016 Advanced Micro Devices, Inc.3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice shall be included in12 * all copies or substantial portions of the Software.13 *14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR18 * 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 OR20 * OTHER DEALINGS IN THE SOFTWARE.21 *22 * Author: Monk.liu@amd.com23 */24 25#ifndef AMDGPU_CSA_MANAGER_H26#define AMDGPU_CSA_MANAGER_H27 28#define AMDGPU_CSA_SIZE (128 * 1024)29 30uint32_t amdgpu_get_total_csa_size(struct amdgpu_device *adev);31uint64_t amdgpu_csa_vaddr(struct amdgpu_device *adev);32int amdgpu_allocate_static_csa(struct amdgpu_device *adev, struct amdgpu_bo **bo,33 u32 domain, uint32_t size);34int 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);37int 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);40void amdgpu_free_static_csa(struct amdgpu_bo **bo);41 42#endif43