| /* SPDX-License-Identifier: GPL-2.0 OR MIT */ |
| /* |
| * Copyright 2020-2021 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. |
| * |
| */ |
| |
| #ifndef KFD_MIGRATE_H_ |
| #define KFD_MIGRATE_H_ |
| |
| #if IS_ENABLED(CONFIG_HSA_AMD_SVM) |
| |
| #include <linux/rwsem.h> |
| #include <linux/list.h> |
| #include <linux/mutex.h> |
| #include <linux/sched/mm.h> |
| #include <linux/hmm.h> |
| #include "kfd_priv.h" |
| #include "kfd_svm.h" |
| |
| enum MIGRATION_COPY_DIR { |
| FROM_RAM_TO_VRAM = 0, |
| FROM_VRAM_TO_RAM |
| }; |
| |
| int svm_migrate_to_vram(struct svm_range *prange, uint32_t best_loc, |
| struct mm_struct *mm, uint32_t trigger); |
| int svm_migrate_vram_to_ram(struct svm_range *prange, struct mm_struct *mm, |
| uint32_t trigger, struct page *fault_page); |
| unsigned long |
| svm_migrate_addr_to_pfn(struct amdgpu_device *adev, unsigned long addr); |
| |
| int svm_migrate_init(struct amdgpu_device *adev); |
| |
| #else |
| |
| static inline int svm_migrate_init(struct amdgpu_device *adev) |
| { |
| return 0; |
| } |
| |
| #endif /* IS_ENABLED(CONFIG_HSA_AMD_SVM) */ |
| |
| #endif /* KFD_MIGRATE_H_ */ |