/* 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,
unsigned long start, unsigned long last,
struct mm_struct *mm, uint32_t trigger);
int svm_migrate_vram_to_ram(struct svm_range *prange, struct mm_struct *mm,
unsigned long start, unsigned long last,
uint32_t trigger, struct page *fault_page);
unsigned long
svm_migrate_addr_to_pfn(struct amdgpu_device *adev, unsigned long addr);
#endif /* IS_ENABLED(CONFIG_HSA_AMD_SVM) */
#endif /* KFD_MIGRATE_H_ */
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