/* 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_ */