51 lines
2.1 KiB
C
51 lines
2.1 KiB
C
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/*
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* Copyright 2018 Red Hat Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef __NOUVEAU_DMEM_H__
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#define __NOUVEAU_DMEM_H__
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#include <nvif/os.h>
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struct drm_device;
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struct drm_file;
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struct nouveau_drm;
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struct nouveau_svmm;
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struct hmm_range;
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#if IS_ENABLED(CONFIG_DRM_NOUVEAU_SVM)
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void nouveau_dmem_init(struct nouveau_drm *);
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void nouveau_dmem_fini(struct nouveau_drm *);
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void nouveau_dmem_suspend(struct nouveau_drm *);
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void nouveau_dmem_resume(struct nouveau_drm *);
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int nouveau_dmem_migrate_vma(struct nouveau_drm *drm,
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struct nouveau_svmm *svmm,
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struct vm_area_struct *vma,
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unsigned long start,
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unsigned long end);
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unsigned long nouveau_dmem_page_addr(struct page *page);
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#else /* IS_ENABLED(CONFIG_DRM_NOUVEAU_SVM) */
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static inline void nouveau_dmem_init(struct nouveau_drm *drm) {}
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static inline void nouveau_dmem_fini(struct nouveau_drm *drm) {}
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static inline void nouveau_dmem_suspend(struct nouveau_drm *drm) {}
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static inline void nouveau_dmem_resume(struct nouveau_drm *drm) {}
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#endif /* IS_ENABLED(CONFIG_DRM_NOUVEAU_SVM) */
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#endif
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