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1/* SPDX-License-Identifier: GPL-2.0 OR MIT */2/*3 * Copyright 2020-2021 Advanced Micro Devices, Inc.4 *5 * Permission is hereby granted, free of charge, to any person obtaining a6 * copy of this software and associated documentation files (the "Software"),7 * to deal in the Software without restriction, including without limitation8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,9 * and/or sell copies of the Software, and to permit persons to whom the10 * Software is furnished to do so, subject to the following conditions:11 *12 * The above copyright notice and this permission notice shall be included in13 * all copies or substantial portions of the Software.14 *15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR21 * OTHER DEALINGS IN THE SOFTWARE.22 *23 */24 25#ifndef KFD_MIGRATE_H_26#define KFD_MIGRATE_H_27 28#if IS_ENABLED(CONFIG_HSA_AMD_SVM)29 30#include <linux/rwsem.h>31#include <linux/list.h>32#include <linux/mutex.h>33#include <linux/sched/mm.h>34#include <linux/hmm.h>35#include "kfd_priv.h"36#include "kfd_svm.h"37 38enum MIGRATION_COPY_DIR {39 FROM_RAM_TO_VRAM = 0,40 FROM_VRAM_TO_RAM41};42 43int svm_migrate_to_vram(struct svm_range *prange, uint32_t best_loc,44 unsigned long start, unsigned long last,45 struct mm_struct *mm, uint32_t trigger);46 47int svm_migrate_vram_to_ram(struct svm_range *prange, struct mm_struct *mm,48 unsigned long start, unsigned long last,49 uint32_t trigger, struct page *fault_page);50 51unsigned long52svm_migrate_addr_to_pfn(struct amdgpu_device *adev, unsigned long addr);53 54#endif /* IS_ENABLED(CONFIG_HSA_AMD_SVM) */55 56#endif /* KFD_MIGRATE_H_ */57