1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __NOUVEAU_BO_H__
3 #define __NOUVEAU_BO_H__
5 #include <drm/drm_gem.h>
7 struct nouveau_channel;
12 struct ttm_buffer_object bo;
13 struct ttm_placement placement;
15 struct ttm_place placements[3];
16 struct ttm_place busy_placements[3];
18 struct ttm_bo_kmap_obj kmap;
19 struct list_head head;
21 /* protected by ttm_bo_reserve() */
22 struct drm_file *reserved_by;
23 struct list_head entry;
27 struct list_head vma_list;
29 struct nouveau_cli *cli;
38 struct nouveau_drm_tile *tile;
40 /* Only valid if allocated via nouveau_gem_new() and iff you hold a
41 * gem reference to it! For debugging, use gem.filp != NULL to test
42 * whether it is valid. */
43 struct drm_gem_object gem;
45 /* protect by the ttm reservation lock */
48 struct ttm_bo_kmap_obj dma_buf_vmap;
51 static inline struct nouveau_bo *
52 nouveau_bo(struct ttm_buffer_object *bo)
54 return container_of(bo, struct nouveau_bo, bo);
58 nouveau_bo_ref(struct nouveau_bo *ref, struct nouveau_bo **pnvbo)
60 struct nouveau_bo *prev;
66 *pnvbo = ref ? nouveau_bo(ttm_bo_reference(&ref->bo)) : NULL;
68 struct ttm_buffer_object *bo = &prev->bo;
76 extern struct ttm_bo_driver nouveau_bo_driver;
78 void nouveau_bo_move_init(struct nouveau_drm *);
79 int nouveau_bo_new(struct nouveau_cli *, u64 size, int align, u32 flags,
80 u32 tile_mode, u32 tile_flags, struct sg_table *sg,
81 struct reservation_object *robj,
82 struct nouveau_bo **);
83 int nouveau_bo_pin(struct nouveau_bo *, u32 flags, bool contig);
84 int nouveau_bo_unpin(struct nouveau_bo *);
85 int nouveau_bo_map(struct nouveau_bo *);
86 void nouveau_bo_unmap(struct nouveau_bo *);
87 void nouveau_bo_placement_set(struct nouveau_bo *, u32 type, u32 busy);
88 void nouveau_bo_wr16(struct nouveau_bo *, unsigned index, u16 val);
89 u32 nouveau_bo_rd32(struct nouveau_bo *, unsigned index);
90 void nouveau_bo_wr32(struct nouveau_bo *, unsigned index, u32 val);
91 void nouveau_bo_fence(struct nouveau_bo *, struct nouveau_fence *, bool exclusive);
92 int nouveau_bo_validate(struct nouveau_bo *, bool interruptible,
94 void nouveau_bo_sync_for_device(struct nouveau_bo *nvbo);
95 void nouveau_bo_sync_for_cpu(struct nouveau_bo *nvbo);
97 /* TODO: submit equivalent to TTM generic API upstream? */
98 static inline void __iomem *
99 nvbo_kmap_obj_iovirtual(struct nouveau_bo *nvbo)
102 void __iomem *ioptr = (void __force __iomem *)ttm_kmap_obj_virtual(
103 &nvbo->kmap, &is_iomem);
104 WARN_ON_ONCE(ioptr && !is_iomem);