1/* $NetBSD: nouveau_dmem.h,v 1.2 2021/12/18 23:45:32 riastradh Exp $ */ 2 3/* 4 * Copyright 2018 Red Hat Inc. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 */ 24#ifndef __NOUVEAU_DMEM_H__ 25#define __NOUVEAU_DMEM_H__ 26#include <nvif/os.h> 27struct drm_device; 28struct drm_file; 29struct nouveau_drm; 30struct hmm_range; 31 32#if IS_ENABLED(CONFIG_DRM_NOUVEAU_SVM) 33void nouveau_dmem_init(struct nouveau_drm *); 34void nouveau_dmem_fini(struct nouveau_drm *); 35void nouveau_dmem_suspend(struct nouveau_drm *); 36void nouveau_dmem_resume(struct nouveau_drm *); 37 38int nouveau_dmem_migrate_vma(struct nouveau_drm *drm, 39 struct vm_area_struct *vma, 40 unsigned long start, 41 unsigned long end); 42 43void nouveau_dmem_convert_pfn(struct nouveau_drm *drm, 44 struct hmm_range *range); 45#else /* IS_ENABLED(CONFIG_DRM_NOUVEAU_SVM) */ 46static inline void nouveau_dmem_init(struct nouveau_drm *drm) {} 47static inline void nouveau_dmem_fini(struct nouveau_drm *drm) {} 48static inline void nouveau_dmem_suspend(struct nouveau_drm *drm) {} 49static inline void nouveau_dmem_resume(struct nouveau_drm *drm) {} 50#endif /* IS_ENABLED(CONFIG_DRM_NOUVEAU_SVM) */ 51#endif 52