#ifndef __NOUVEAU_BO_H__ #define __NOUVEAU_BO_H__ #include <drm/drm_gem.h> struct nouveau_channel; struct nouveau_fence; struct nvkm_vma; struct nouveau_bo { struct ttm_buffer_object bo; struct ttm_placement placement; u32 valid_domains; struct ttm_place placements[3]; struct ttm_place busy_placements[3]; bool force_coherent; 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_drm_tile *tile; /* Only valid if allocated via nouveau_gem_new() and iff you hold a * gem reference to it! For debugging, use gem.filp != NULL to test * whether it is valid. */ struct drm_gem_object gem; /* protect by the ttm reservation lock */ int pin_refcnt; struct ttm_bo_kmap_obj dma_buf_vmap; }; 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_drm *); int nouveau_bo_new(struct drm_device *, int size, int align, u32 flags, u32 tile_mode, u32 tile_flags, struct sg_table *sg, struct reservation_object *robj, struct nouveau_bo **); int nouveau_bo_pin(struct nouveau_bo *, u32 flags, bool contig); 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); 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 *, bool exclusive); int nouveau_bo_validate(struct nouveau_bo *, bool interruptible, bool no_wait_gpu); void nouveau_bo_sync_for_device(struct nouveau_bo *nvbo); void nouveau_bo_sync_for_cpu(struct nouveau_bo *nvbo); struct nvkm_vma * nouveau_bo_vma_find(struct nouveau_bo *, struct nvkm_vm *); int nouveau_bo_vma_add(struct nouveau_bo *, struct nvkm_vm *, struct nvkm_vma *); void nouveau_bo_vma_del(struct nouveau_bo *, struct nvkm_vma *); /* TODO: submit equivalent to TTM generic API upstream? */ static inline void __iomem * nvbo_kmap_obj_iovirtual(struct nouveau_bo *nvbo) { bool is_iomem; void __iomem *ioptr = (void __force __iomem *)ttm_kmap_obj_virtual( &nvbo->kmap, &is_iomem); WARN_ON_ONCE(ioptr && !is_iomem); return ioptr; } #endif