1 #ifndef __NOUVEAU_BO_H__
2 #define __NOUVEAU_BO_H__
4 #include <drm/drm_gem.h>
6 struct nouveau_channel;
11 struct ttm_buffer_object bo;
12 struct ttm_placement placement;
14 struct ttm_place placements[3];
15 struct ttm_place busy_placements[3];
17 struct ttm_bo_kmap_obj kmap;
18 struct list_head head;
20 /* protected by ttm_bo_reserve() */
21 struct drm_file *reserved_by;
22 struct list_head entry;
26 struct list_head vma_list;
28 struct nouveau_cli *cli;
37 struct nouveau_drm_tile *tile;
39 /* Only valid if allocated via nouveau_gem_new() and iff you hold a
40 * gem reference to it! For debugging, use gem.filp != NULL to test
41 * whether it is valid. */
42 struct drm_gem_object gem;
44 /* protect by the ttm reservation lock */
47 struct ttm_bo_kmap_obj dma_buf_vmap;
50 static inline struct nouveau_bo *
51 nouveau_bo(struct ttm_buffer_object *bo)
53 return container_of(bo, struct nouveau_bo, bo);
57 nouveau_bo_ref(struct nouveau_bo *ref, struct nouveau_bo **pnvbo)
59 struct nouveau_bo *prev;
65 *pnvbo = ref ? nouveau_bo(ttm_bo_reference(&ref->bo)) : NULL;
67 struct ttm_buffer_object *bo = &prev->bo;
75 extern struct ttm_bo_driver nouveau_bo_driver;
77 void nouveau_bo_move_init(struct nouveau_drm *);
78 int nouveau_bo_new(struct nouveau_cli *, u64 size, int align, u32 flags,
79 u32 tile_mode, u32 tile_flags, struct sg_table *sg,
80 struct reservation_object *robj,
81 struct nouveau_bo **);
82 int nouveau_bo_pin(struct nouveau_bo *, u32 flags, bool contig);
83 int nouveau_bo_unpin(struct nouveau_bo *);
84 int nouveau_bo_map(struct nouveau_bo *);
85 void nouveau_bo_unmap(struct nouveau_bo *);
86 void nouveau_bo_placement_set(struct nouveau_bo *, u32 type, u32 busy);
87 void nouveau_bo_wr16(struct nouveau_bo *, unsigned index, u16 val);
88 u32 nouveau_bo_rd32(struct nouveau_bo *, unsigned index);
89 void nouveau_bo_wr32(struct nouveau_bo *, unsigned index, u32 val);
90 void nouveau_bo_fence(struct nouveau_bo *, struct nouveau_fence *, bool exclusive);
91 int nouveau_bo_validate(struct nouveau_bo *, bool interruptible,
93 void nouveau_bo_sync_for_device(struct nouveau_bo *nvbo);
94 void nouveau_bo_sync_for_cpu(struct nouveau_bo *nvbo);
96 /* TODO: submit equivalent to TTM generic API upstream? */
97 static inline void __iomem *
98 nvbo_kmap_obj_iovirtual(struct nouveau_bo *nvbo)
101 void __iomem *ioptr = (void __force __iomem *)ttm_kmap_obj_virtual(
102 &nvbo->kmap, &is_iomem);
103 WARN_ON_ONCE(ioptr && !is_iomem);