1 #ifndef __NOUVEAU_BO_H__ 2 #define __NOUVEAU_BO_H__ 3 4 #include <drm/drm_gem.h> 5 6 struct nouveau_channel; 7 struct nouveau_fence; 8 struct nvkm_vma; 9 10 struct nouveau_bo { 11 struct ttm_buffer_object bo; 12 struct ttm_placement placement; 13 u32 valid_domains; 14 struct ttm_place placements[3]; 15 struct ttm_place busy_placements[3]; 16 bool force_coherent; 17 struct ttm_bo_kmap_obj kmap; 18 struct list_head head; 19 20 /* protected by ttm_bo_reserve() */ 21 struct drm_file *reserved_by; 22 struct list_head entry; 23 int pbbo_index; 24 bool validate_mapped; 25 26 struct list_head vma_list; 27 unsigned page_shift; 28 29 struct nouveau_cli *cli; 30 31 u32 tile_mode; 32 u32 tile_flags; 33 struct nouveau_drm_tile *tile; 34 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; 39 40 /* protect by the ttm reservation lock */ 41 int pin_refcnt; 42 43 struct ttm_bo_kmap_obj dma_buf_vmap; 44 }; 45 46 static inline struct nouveau_bo * 47 nouveau_bo(struct ttm_buffer_object *bo) 48 { 49 return container_of(bo, struct nouveau_bo, bo); 50 } 51 52 static inline int 53 nouveau_bo_ref(struct nouveau_bo *ref, struct nouveau_bo **pnvbo) 54 { 55 struct nouveau_bo *prev; 56 57 if (!pnvbo) 58 return -EINVAL; 59 prev = *pnvbo; 60 61 *pnvbo = ref ? nouveau_bo(ttm_bo_reference(&ref->bo)) : NULL; 62 if (prev) { 63 struct ttm_buffer_object *bo = &prev->bo; 64 65 ttm_bo_unref(&bo); 66 } 67 68 return 0; 69 } 70 71 extern struct ttm_bo_driver nouveau_bo_driver; 72 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, 88 bool no_wait_gpu); 89 void nouveau_bo_sync_for_device(struct nouveau_bo *nvbo); 90 void nouveau_bo_sync_for_cpu(struct nouveau_bo *nvbo); 91 92 struct nvkm_vma * 93 nouveau_bo_vma_find(struct nouveau_bo *, struct nvkm_vm *); 94 95 int nouveau_bo_vma_add(struct nouveau_bo *, struct nvkm_vm *, 96 struct nvkm_vma *); 97 void nouveau_bo_vma_del(struct nouveau_bo *, struct nvkm_vma *); 98 99 /* TODO: submit equivalent to TTM generic API upstream? */ 100 static inline void __iomem * 101 nvbo_kmap_obj_iovirtual(struct nouveau_bo *nvbo) 102 { 103 bool is_iomem; 104 void __iomem *ioptr = (void __force __iomem *)ttm_kmap_obj_virtual( 105 &nvbo->kmap, &is_iomem); 106 WARN_ON_ONCE(ioptr && !is_iomem); 107 return ioptr; 108 } 109 110 #endif 111