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> |
25 | struct drm_device; |
26 | struct drm_file; |
27 | struct nouveau_drm; |
28 | struct nouveau_svmm; |
29 | struct hmm_range; |
30 | |
31 | #if IS_ENABLED(CONFIG_DRM_NOUVEAU_SVM) |
32 | void nouveau_dmem_init(struct nouveau_drm *); |
33 | void nouveau_dmem_fini(struct nouveau_drm *); |
34 | void nouveau_dmem_suspend(struct nouveau_drm *); |
35 | void nouveau_dmem_resume(struct nouveau_drm *); |
36 | |
37 | int 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); |
42 | unsigned long nouveau_dmem_page_addr(struct page *page); |
43 | |
44 | #else /* IS_ENABLED(CONFIG_DRM_NOUVEAU_SVM) */ |
45 | static inline void nouveau_dmem_init(struct nouveau_drm *drm) {} |
46 | static inline void nouveau_dmem_fini(struct nouveau_drm *drm) {} |
47 | static inline void nouveau_dmem_suspend(struct nouveau_drm *drm) {} |
48 | static inline void nouveau_dmem_resume(struct nouveau_drm *drm) {} |
49 | #endif /* IS_ENABLED(CONFIG_DRM_NOUVEAU_SVM) */ |
50 | #endif |
51 | |