1 /* $NetBSD: amdgpu_csa.h,v 1.2 2021/12/18 23:44:58 riastradh Exp $ */ 2 3 /* 4 * Copyright 2016 Advanced Micro Devices, Inc. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 * 24 * Author: Monk.liu@amd.com 25 */ 26 27 #ifndef AMDGPU_CSA_MANAGER_H 28 #define AMDGPU_CSA_MANAGER_H 29 30 #define AMDGPU_CSA_SIZE (128 * 1024) 31 32 uint32_t amdgpu_get_total_csa_size(struct amdgpu_device *adev); 33 uint64_t amdgpu_csa_vaddr(struct amdgpu_device *adev); 34 int amdgpu_allocate_static_csa(struct amdgpu_device *adev, struct amdgpu_bo **bo, 35 u32 domain, uint32_t size); 36 int amdgpu_map_static_csa(struct amdgpu_device *adev, struct amdgpu_vm *vm, 37 struct amdgpu_bo *bo, struct amdgpu_bo_va **bo_va, 38 uint64_t csa_addr, uint32_t size); 39 void amdgpu_free_static_csa(struct amdgpu_bo **bo); 40 41 #endif 42