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
;
29 struct nouveau_cli
*cli
;
33 struct nouveau_drm_tile
*tile
;
35 /* Only valid if allocated via nouveau_gem_new() and iff you hold a
36 * gem reference to it! For debugging, use gem.filp != NULL to test
37 * whether it is valid. */
38 struct drm_gem_object gem
;
40 /* protect by the ttm reservation lock */
43 struct ttm_bo_kmap_obj dma_buf_vmap
;
46 static inline struct nouveau_bo
*
47 nouveau_bo(struct ttm_buffer_object
*bo
)
49 return container_of(bo
, struct nouveau_bo
, bo
);
53 nouveau_bo_ref(struct nouveau_bo
*ref
, struct nouveau_bo
**pnvbo
)
55 struct nouveau_bo
*prev
;
61 *pnvbo
= ref
? nouveau_bo(ttm_bo_reference(&ref
->bo
)) : NULL
;
63 struct ttm_buffer_object
*bo
= &prev
->bo
;
71 extern struct ttm_bo_driver nouveau_bo_driver
;
73 void nouveau_bo_move_init(struct nouveau_drm
*);
74 int nouveau_bo_new(struct nouveau_cli
*, u64 size
, int align
, u32 flags
,
75 u32 tile_mode
, u32 tile_flags
, struct sg_table
*sg
,
76 struct reservation_object
*robj
,
77 struct nouveau_bo
**);
78 int nouveau_bo_pin(struct nouveau_bo
*, u32 flags
, bool contig
);
79 int nouveau_bo_unpin(struct nouveau_bo
*);
80 int nouveau_bo_map(struct nouveau_bo
*);
81 void nouveau_bo_unmap(struct nouveau_bo
*);
82 void nouveau_bo_placement_set(struct nouveau_bo
*, u32 type
, u32 busy
);
83 void nouveau_bo_wr16(struct nouveau_bo
*, unsigned index
, u16 val
);
84 u32
nouveau_bo_rd32(struct nouveau_bo
*, unsigned index
);
85 void nouveau_bo_wr32(struct nouveau_bo
*, unsigned index
, u32 val
);
86 void nouveau_bo_fence(struct nouveau_bo
*, struct nouveau_fence
*, bool exclusive
);
87 int nouveau_bo_validate(struct nouveau_bo
*, bool interruptible
,
89 void nouveau_bo_sync_for_device(struct nouveau_bo
*nvbo
);
90 void nouveau_bo_sync_for_cpu(struct nouveau_bo
*nvbo
);
93 nouveau_bo_vma_find(struct nouveau_bo
*, struct nvkm_vm
*);
95 int nouveau_bo_vma_add(struct nouveau_bo
*, struct nvkm_vm
*,
97 void nouveau_bo_vma_del(struct nouveau_bo
*, struct nvkm_vma
*);
99 /* TODO: submit equivalent to TTM generic API upstream? */
100 static inline void __iomem
*
101 nvbo_kmap_obj_iovirtual(struct nouveau_bo
*nvbo
)
104 void __iomem
*ioptr
= (void __force __iomem
*)ttm_kmap_obj_virtual(
105 &nvbo
->kmap
, &is_iomem
);
106 WARN_ON_ONCE(ioptr
&& !is_iomem
);