diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_bo.h')
-rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_bo.h | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.h b/drivers/gpu/drm/nouveau/nouveau_bo.h new file mode 100644 index 0000000..a0a889c --- /dev/null +++ b/drivers/gpu/drm/nouveau/nouveau_bo.h @@ -0,0 +1,92 @@ +#ifndef __NOUVEAU_BO_H__ +#define __NOUVEAU_BO_H__ + +struct nouveau_channel; +struct nouveau_vma; + +struct nouveau_tile_reg { + bool used; + struct nouveau_fence *fence; +}; + +struct nouveau_bo { + struct ttm_buffer_object bo; + struct ttm_placement placement; + u32 valid_domains; + u32 placements[3]; + u32 busy_placements[3]; + struct ttm_bo_kmap_obj kmap; + struct list_head head; + + /* protected by ttm_bo_reserve() */ + struct drm_file *reserved_by; + struct list_head entry; + int pbbo_index; + bool validate_mapped; + + struct list_head vma_list; + unsigned page_shift; + + u32 tile_mode; + u32 tile_flags; + struct nouveau_tile_reg *tile; + + struct drm_gem_object *gem; + int pin_refcnt; + + struct ttm_bo_kmap_obj dma_buf_vmap; + int vmapping_count; +}; + +static inline struct nouveau_bo * +nouveau_bo(struct ttm_buffer_object *bo) +{ + return container_of(bo, struct nouveau_bo, bo); +} + +static inline int +nouveau_bo_ref(struct nouveau_bo *ref, struct nouveau_bo **pnvbo) +{ + struct nouveau_bo *prev; + + if (!pnvbo) + return -EINVAL; + prev = *pnvbo; + + *pnvbo = ref ? nouveau_bo(ttm_bo_reference(&ref->bo)) : NULL; + if (prev) { + struct ttm_buffer_object *bo = &prev->bo; + + ttm_bo_unref(&bo); + } + + return 0; +} + +extern struct ttm_bo_driver nouveau_bo_driver; + +void nouveau_bo_move_init(struct nouveau_channel *); +int nouveau_bo_new(struct drm_device *, int size, int align, u32 flags, + u32 tile_mode, u32 tile_flags, struct sg_table *sg, + struct nouveau_bo **); +int nouveau_bo_pin(struct nouveau_bo *, u32 flags); +int nouveau_bo_unpin(struct nouveau_bo *); +int nouveau_bo_map(struct nouveau_bo *); +void nouveau_bo_unmap(struct nouveau_bo *); +void nouveau_bo_placement_set(struct nouveau_bo *, u32 type, u32 busy); +u16 nouveau_bo_rd16(struct nouveau_bo *, unsigned index); +void nouveau_bo_wr16(struct nouveau_bo *, unsigned index, u16 val); +u32 nouveau_bo_rd32(struct nouveau_bo *, unsigned index); +void nouveau_bo_wr32(struct nouveau_bo *, unsigned index, u32 val); +void nouveau_bo_fence(struct nouveau_bo *, struct nouveau_fence *); +int nouveau_bo_validate(struct nouveau_bo *, bool interruptible, + bool no_wait_reserve, bool no_wait_gpu); + +struct nouveau_vma * +nouveau_bo_vma_find(struct nouveau_bo *, struct nouveau_vm *); + +int nouveau_bo_vma_add(struct nouveau_bo *, struct nouveau_vm *, + struct nouveau_vma *); +void nouveau_bo_vma_del(struct nouveau_bo *, struct nouveau_vma *); + +#endif |