cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

nouveau_dmem.h (2125B)

      1/*
      2 * Copyright 2018 Red Hat Inc.
      3 *
      4 * Permission is hereby granted, free of charge, to any person obtaining a
      5 * copy of this software and associated documentation files (the "Software"),
      6 * to deal in the Software without restriction, including without limitation
      7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      8 * and/or sell copies of the Software, and to permit persons to whom the
      9 * Software is furnished to do so, subject to the following conditions:
     10 *
     11 * The above copyright notice and this permission notice shall be included in
     12 * all copies or substantial portions of the Software.
     13 *
     14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
     18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     20 * OTHER DEALINGS IN THE SOFTWARE.
     21 */
     22#ifndef __NOUVEAU_DMEM_H__
     23#define __NOUVEAU_DMEM_H__
     24#include <nvif/os.h>
     25struct drm_device;
     26struct drm_file;
     27struct nouveau_drm;
     28struct nouveau_svmm;
     29struct hmm_range;
     30
     31#if IS_ENABLED(CONFIG_DRM_NOUVEAU_SVM)
     32void nouveau_dmem_init(struct nouveau_drm *);
     33void nouveau_dmem_fini(struct nouveau_drm *);
     34void nouveau_dmem_suspend(struct nouveau_drm *);
     35void nouveau_dmem_resume(struct nouveau_drm *);
     36
     37int nouveau_dmem_migrate_vma(struct nouveau_drm *drm,
     38			     struct nouveau_svmm *svmm,
     39			     struct vm_area_struct *vma,
     40			     unsigned long start,
     41			     unsigned long end);
     42unsigned long nouveau_dmem_page_addr(struct page *page);
     43
     44#else /* IS_ENABLED(CONFIG_DRM_NOUVEAU_SVM) */
     45static inline void nouveau_dmem_init(struct nouveau_drm *drm) {}
     46static inline void nouveau_dmem_fini(struct nouveau_drm *drm) {}
     47static inline void nouveau_dmem_suspend(struct nouveau_drm *drm) {}
     48static inline void nouveau_dmem_resume(struct nouveau_drm *drm) {}
     49#endif /* IS_ENABLED(CONFIG_DRM_NOUVEAU_SVM) */
     50#endif