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 u32 tile_mode; 30 u32 tile_flags; 31 struct nouveau_drm_tile *tile; 32 33 /* Only valid if allocated via nouveau_gem_new() and iff you hold a 34 * gem reference to it! For debugging, use gem.filp != NULL to test 35 * whether it is valid. */ 36 struct drm_gem_object gem; 37 38 /* protect by the ttm reservation lock */ 39 int pin_refcnt; 40 41 struct ttm_bo_kmap_obj dma_buf_vmap; 42 }; 43 44 static inline struct nouveau_bo * 45 nouveau_bo(struct ttm_buffer_object *bo) 46 { 47 return container_of(bo, struct nouveau_bo, bo); 48 } 49 50 static inline int 51 nouveau_bo_ref(struct nouveau_bo *ref, struct nouveau_bo **pnvbo) 52 { 53 struct nouveau_bo *prev; 54 55 if (!pnvbo) 56 return -EINVAL; 57 prev = *pnvbo; 58 59 *pnvbo = ref ? nouveau_bo(ttm_bo_reference(&ref->bo)) : NULL; 60 if (prev) { 61 struct ttm_buffer_object *bo = &prev->bo; 62 63 ttm_bo_unref(&bo); 64 } 65 66 return 0; 67 } 68 69 extern struct ttm_bo_driver nouveau_bo_driver; 70 71 void nouveau_bo_move_init(struct nouveau_drm *); 72 int nouveau_bo_new(struct drm_device *, int size, int align, u32 flags, 73 u32 tile_mode, u32 tile_flags, struct sg_table *sg, 74 struct reservation_object *robj, 75 struct nouveau_bo **); 76 int nouveau_bo_pin(struct nouveau_bo *, u32 flags, bool contig); 77 int nouveau_bo_unpin(struct nouveau_bo *); 78 int nouveau_bo_map(struct nouveau_bo *); 79 void nouveau_bo_unmap(struct nouveau_bo *); 80 void nouveau_bo_placement_set(struct nouveau_bo *, u32 type, u32 busy); 81 void nouveau_bo_wr16(struct nouveau_bo *, unsigned index, u16 val); 82 u32 nouveau_bo_rd32(struct nouveau_bo *, unsigned index); 83 void nouveau_bo_wr32(struct nouveau_bo *, unsigned index, u32 val); 84 void nouveau_bo_fence(struct nouveau_bo *, struct nouveau_fence *, bool exclusive); 85 int nouveau_bo_validate(struct nouveau_bo *, bool interruptible, 86 bool no_wait_gpu); 87 void nouveau_bo_sync_for_device(struct nouveau_bo *nvbo); 88 void nouveau_bo_sync_for_cpu(struct nouveau_bo *nvbo); 89 90 struct nvkm_vma * 91 nouveau_bo_vma_find(struct nouveau_bo *, struct nvkm_vm *); 92 93 int nouveau_bo_vma_add(struct nouveau_bo *, struct nvkm_vm *, 94 struct nvkm_vma *); 95 void nouveau_bo_vma_del(struct nouveau_bo *, struct nvkm_vma *); 96 97 /* TODO: submit equivalent to TTM generic API upstream? */ 98 static inline void __iomem * 99 nvbo_kmap_obj_iovirtual(struct nouveau_bo *nvbo) 100 { 101 bool is_iomem; 102 void __iomem *ioptr = (void __force __iomem *)ttm_kmap_obj_virtual( 103 &nvbo->kmap, &is_iomem); 104 WARN_ON_ONCE(ioptr && !is_iomem); 105 return ioptr; 106 } 107 108 #endif 109