| 1 | /* SPDX-License-Identifier: GPL-2.0 OR MIT */ |
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| 2 | /* |
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| 3 | * Copyright 2020-2021 Advanced Micro Devices, Inc. |
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| 4 | * |
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| 5 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 6 | * copy of this software and associated documentation files (the "Software"), |
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| 7 | * to deal in the Software without restriction, including without limitation |
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| 8 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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| 9 | * and/or sell copies of the Software, and to permit persons to whom the |
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| 10 | * Software is furnished to do so, subject to the following conditions: |
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| 11 | * |
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| 12 | * The above copyright notice and this permission notice shall be included in |
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| 13 | * all copies or substantial portions of the Software. |
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| 14 | * |
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| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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| 16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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| 18 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
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| 19 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
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| 20 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
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| 21 | * OTHER DEALINGS IN THE SOFTWARE. |
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| 22 | * |
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| 23 | */ |
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| 24 | |
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| 25 | #ifndef KFD_MIGRATE_H_ |
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| 26 | #define KFD_MIGRATE_H_ |
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| 27 | |
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| 28 | #if IS_ENABLED(CONFIG_HSA_AMD_SVM) |
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| 29 | |
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| 30 | #include <linux/rwsem.h> |
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| 31 | #include <linux/list.h> |
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| 32 | #include <linux/mutex.h> |
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| 33 | #include <linux/sched/mm.h> |
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| 34 | #include <linux/hmm.h> |
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| 35 | #include "kfd_priv.h" |
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| 36 | #include "kfd_svm.h" |
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| 37 | |
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| 38 | enum MIGRATION_COPY_DIR { |
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| 39 | FROM_RAM_TO_VRAM = 0, |
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| 40 | FROM_VRAM_TO_RAM |
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| 41 | }; |
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| 42 | |
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| 43 | int svm_migrate_to_vram(struct svm_range *prange, uint32_t best_loc, |
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| 44 | struct mm_struct *mm, uint32_t trigger); |
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| 45 | int svm_migrate_vram_to_ram(struct svm_range *prange, struct mm_struct *mm, |
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| 46 | uint32_t trigger, struct page *fault_page); |
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| 47 | unsigned long |
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| 48 | svm_migrate_addr_to_pfn(struct amdgpu_device *adev, unsigned long addr); |
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| 49 | |
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| 50 | #endif /* IS_ENABLED(CONFIG_HSA_AMD_SVM) */ |
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| 51 | |
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| 52 | #endif /* KFD_MIGRATE_H_ */ |
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| 53 | |
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