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;
30 struct nouveau_cli *cli;
34 struct nouveau_drm_tile *tile;
36 /* Only valid if allocated via nouveau_gem_new() and iff you hold a
37 * gem reference to it! For debugging, use gem.filp != NULL to test
38 * whether it is valid. */
39 struct drm_gem_object gem;
41 /* protect by the ttm reservation lock */
44 struct ttm_bo_kmap_obj dma_buf_vmap;
47 static inline struct nouveau_bo *
48 nouveau_bo(struct ttm_buffer_object *bo)
50 return container_of(bo, struct nouveau_bo, bo);
54 nouveau_bo_ref(struct nouveau_bo *ref, struct nouveau_bo **pnvbo)
56 struct nouveau_bo *prev;
62 *pnvbo = ref ? nouveau_bo(ttm_bo_reference(&ref->bo)) : NULL;
64 struct ttm_buffer_object *bo = &prev->bo;
72 extern struct ttm_bo_driver nouveau_bo_driver;
74 void nouveau_bo_move_init(struct nouveau_drm *);
75 int nouveau_bo_new(struct nouveau_cli *, u64 size, int align, u32 flags,
76 u32 tile_mode, u32 tile_flags, struct sg_table *sg,
77 struct reservation_object *robj,
78 struct nouveau_bo **);
79 int nouveau_bo_pin(struct nouveau_bo *, u32 flags, bool contig);
80 int nouveau_bo_unpin(struct nouveau_bo *);
81 int nouveau_bo_map(struct nouveau_bo *);
82 void nouveau_bo_unmap(struct nouveau_bo *);
83 void nouveau_bo_placement_set(struct nouveau_bo *, u32 type, u32 busy);
84 void nouveau_bo_wr16(struct nouveau_bo *, unsigned index, u16 val);
85 u32 nouveau_bo_rd32(struct nouveau_bo *, unsigned index);
86 void nouveau_bo_wr32(struct nouveau_bo *, unsigned index, u32 val);
87 void nouveau_bo_fence(struct nouveau_bo *, struct nouveau_fence *, bool exclusive);
88 int nouveau_bo_validate(struct nouveau_bo *, bool interruptible,
90 void nouveau_bo_sync_for_device(struct nouveau_bo *nvbo);
91 void nouveau_bo_sync_for_cpu(struct nouveau_bo *nvbo);
94 nouveau_bo_vma_find(struct nouveau_bo *, struct nvkm_vm *);
96 int nouveau_bo_vma_add(struct nouveau_bo *, struct nvkm_vm *,
98 void nouveau_bo_vma_del(struct nouveau_bo *, struct nvkm_vma *);
100 /* TODO: submit equivalent to TTM generic API upstream? */
101 static inline void __iomem *
102 nvbo_kmap_obj_iovirtual(struct nouveau_bo *nvbo)
105 void __iomem *ioptr = (void __force __iomem *)ttm_kmap_obj_virtual(
106 &nvbo->kmap, &is_iomem);
107 WARN_ON_ONCE(ioptr && !is_iomem);