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1 | #ifndef __NOUVEAU_BO_H__ |
2 | #define __NOUVEAU_BO_H__ | |
3 | ||
4 | struct nouveau_channel; | |
ebb945a9 | 5 | struct nouveau_fence; |
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6 | struct nouveau_vma; |
7 | ||
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8 | struct nouveau_bo { |
9 | struct ttm_buffer_object bo; | |
10 | struct ttm_placement placement; | |
11 | u32 valid_domains; | |
12 | u32 placements[3]; | |
13 | u32 busy_placements[3]; | |
14 | struct ttm_bo_kmap_obj kmap; | |
15 | struct list_head head; | |
16 | ||
17 | /* protected by ttm_bo_reserve() */ | |
18 | struct drm_file *reserved_by; | |
19 | struct list_head entry; | |
20 | int pbbo_index; | |
21 | bool validate_mapped; | |
22 | ||
23 | struct list_head vma_list; | |
24 | unsigned page_shift; | |
25 | ||
26 | u32 tile_mode; | |
27 | u32 tile_flags; | |
ebb945a9 | 28 | struct nouveau_drm_tile *tile; |
8be21a64 | 29 | |
55fb74ad DH |
30 | /* Only valid if allocated via nouveau_gem_new() and iff you hold a |
31 | * gem reference to it! For debugging, use gem.filp != NULL to test | |
32 | * whether it is valid. */ | |
33 | struct drm_gem_object gem; | |
0ae6d7bc DV |
34 | |
35 | /* protect by the ttm reservation lock */ | |
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36 | int pin_refcnt; |
37 | ||
38 | struct ttm_bo_kmap_obj dma_buf_vmap; | |
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39 | }; |
40 | ||
41 | static inline struct nouveau_bo * | |
42 | nouveau_bo(struct ttm_buffer_object *bo) | |
43 | { | |
44 | return container_of(bo, struct nouveau_bo, bo); | |
45 | } | |
46 | ||
47 | static inline int | |
48 | nouveau_bo_ref(struct nouveau_bo *ref, struct nouveau_bo **pnvbo) | |
49 | { | |
50 | struct nouveau_bo *prev; | |
51 | ||
52 | if (!pnvbo) | |
53 | return -EINVAL; | |
54 | prev = *pnvbo; | |
55 | ||
56 | *pnvbo = ref ? nouveau_bo(ttm_bo_reference(&ref->bo)) : NULL; | |
57 | if (prev) { | |
58 | struct ttm_buffer_object *bo = &prev->bo; | |
59 | ||
60 | ttm_bo_unref(&bo); | |
61 | } | |
62 | ||
63 | return 0; | |
64 | } | |
65 | ||
66 | extern struct ttm_bo_driver nouveau_bo_driver; | |
67 | ||
49981046 | 68 | void nouveau_bo_move_init(struct nouveau_drm *); |
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69 | int nouveau_bo_new(struct drm_device *, int size, int align, u32 flags, |
70 | u32 tile_mode, u32 tile_flags, struct sg_table *sg, | |
71 | struct nouveau_bo **); | |
72 | int nouveau_bo_pin(struct nouveau_bo *, u32 flags); | |
73 | int nouveau_bo_unpin(struct nouveau_bo *); | |
74 | int nouveau_bo_map(struct nouveau_bo *); | |
75 | void nouveau_bo_unmap(struct nouveau_bo *); | |
76 | void nouveau_bo_placement_set(struct nouveau_bo *, u32 type, u32 busy); | |
77 | u16 nouveau_bo_rd16(struct nouveau_bo *, unsigned index); | |
78 | void nouveau_bo_wr16(struct nouveau_bo *, unsigned index, u16 val); | |
79 | u32 nouveau_bo_rd32(struct nouveau_bo *, unsigned index); | |
80 | void nouveau_bo_wr32(struct nouveau_bo *, unsigned index, u32 val); | |
81 | void nouveau_bo_fence(struct nouveau_bo *, struct nouveau_fence *); | |
82 | int nouveau_bo_validate(struct nouveau_bo *, bool interruptible, | |
97a875cb | 83 | bool no_wait_gpu); |
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84 | |
85 | struct nouveau_vma * | |
86 | nouveau_bo_vma_find(struct nouveau_bo *, struct nouveau_vm *); | |
87 | ||
88 | int nouveau_bo_vma_add(struct nouveau_bo *, struct nouveau_vm *, | |
89 | struct nouveau_vma *); | |
90 | void nouveau_bo_vma_del(struct nouveau_bo *, struct nouveau_vma *); | |
91 | ||
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92 | /* TODO: submit equivalent to TTM generic API upstream? */ |
93 | static inline void __iomem * | |
94 | nvbo_kmap_obj_iovirtual(struct nouveau_bo *nvbo) | |
95 | { | |
96 | bool is_iomem; | |
97 | void __iomem *ioptr = (void __force __iomem *)ttm_kmap_obj_virtual( | |
98 | &nvbo->kmap, &is_iomem); | |
99 | WARN_ON_ONCE(ioptr && !is_iomem); | |
100 | return ioptr; | |
101 | } | |
102 | ||
8be21a64 | 103 | #endif |