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author | Dave Airlie <airlied@redhat.com> | 2021-05-21 08:29:34 +0300 |
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committer | Dave Airlie <airlied@redhat.com> | 2021-05-21 08:29:40 +0300 |
commit | c99c4d0ca57c978dcc2a2f41ab8449684ea154cc (patch) | |
tree | 3fd20557381e99063293ae5d399a54d0108bcdde /drivers/gpu/drm/amd/amdkfd/kfd_migrate.h | |
parent | 2ba047855096fff551402a87272b520fe97323f5 (diff) | |
parent | 2bb5b5f688cbbd5030629905d3ed8032ab46e79f (diff) | |
download | linux-c99c4d0ca57c978dcc2a2f41ab8449684ea154cc.tar.xz |
Merge tag 'amd-drm-next-5.14-2021-05-19' of https://gitlab.freedesktop.org/agd5f/linux into drm-next
amd-drm-next-5.14-2021-05-19:
amdgpu:
- Aldebaran updates
- More LTTPR display work
- Vangogh updates
- SDMA 5.x GCR fixes
- RAS fixes
- PCIe ASPM support
- Modifier fixes
- Enable TMZ on Renoir
- Buffer object code cleanup
- Display overlay fixes
- Initial support for multiple eDP panels
- Initial SR-IOV support for Aldebaran
- DP link training refactor
- Misc code cleanups and bug fixes
- SMU regression fixes for variable sized arrays
- MAINTAINERS fixes for amdgpu
amdkfd:
- Initial SR-IOV support for Aldebaran
- Topology fixes
- Initial HMM SVM support
- Misc code cleanups and bug fixes
radeon:
- Misc code cleanups and bug fixes
- SMU regression fixes for variable sized arrays
- Flickering fix for Oland with multiple 4K displays
UAPI:
- amdgpu: Drop AMDGPU_GEM_CREATE_SHADOW flag.
This was always a kernel internal flag and userspace use of it has always been blocked.
It's no longer needed so remove it.
- amdkgd: HMM SVM support
Overview: https://patchwork.freedesktop.org/series/85562/
Porposed userspace: https://github.com/RadeonOpenCompute/ROCT-Thunk-Interface/tree/fxkamd/hmm-wip
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210520031258.231896-1-alexander.deucher@amd.com
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_migrate.h')
-rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_migrate.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.h b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.h new file mode 100644 index 000000000000..0de76b5d4973 --- /dev/null +++ b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.h @@ -0,0 +1,65 @@ +/* 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); +int svm_migrate_vram_to_ram(struct svm_range *prange, struct mm_struct *mm); +unsigned long +svm_migrate_addr_to_pfn(struct amdgpu_device *adev, unsigned long addr); + +int svm_migrate_init(struct amdgpu_device *adev); +void svm_migrate_fini(struct amdgpu_device *adev); + +#else + +static inline int svm_migrate_init(struct amdgpu_device *adev) +{ + return 0; +} +static inline void svm_migrate_fini(struct amdgpu_device *adev) +{ + /* empty */ +} + +#endif /* IS_ENABLED(CONFIG_HSA_AMD_SVM) */ + +#endif /* KFD_MIGRATE_H_ */ |