1 #ifndef __NOUVEAU_BO_H__ 2 #define __NOUVEAU_BO_H__ 3 4 #include <ttm/ttm_bo_api.h> 5 6 struct nouveau_channel; 7 struct nouveau_drm; 8 struct nouveau_fence; 9 struct nouveau_vm; 10 struct nouveau_vma; 11 12 struct nouveau_bo { 13 struct ttm_buffer_object bo; 14 struct ttm_placement placement; 15 u32 valid_domains; 16 u32 placements[3]; 17 u32 busy_placements[3]; 18 struct ttm_bo_kmap_obj kmap; 19 struct list_head head; 20 21 /* protected by ttm_bo_reserve() */ 22 struct drm_file *reserved_by; 23 struct list_head entry; 24 int pbbo_index; 25 bool validate_mapped; 26 27 struct list_head vma_list; 28 unsigned page_shift; 29 30 u32 tile_mode; 31 u32 tile_flags; 32 struct nouveau_drm_tile *tile; 33 34 /* Only valid if allocated via nouveau_gem_new() and iff you hold a 35 * gem reference to it! For debugging, use gem.filp != NULL to test 36 * whether it is valid. */ 37 struct drm_gem_object gem; 38 39 /* protect by the ttm reservation lock */ 40 int pin_refcnt; 41 42 struct ttm_bo_kmap_obj dma_buf_vmap; 43 }; 44 45 static inline struct nouveau_bo * 46 nouveau_bo(struct ttm_buffer_object *bo) 47 { 48 return container_of(bo, struct nouveau_bo, bo); 49 } 50 51 static inline int 52 nouveau_bo_ref(struct nouveau_bo *ref, struct nouveau_bo **pnvbo) 53 { 54 struct nouveau_bo *prev; 55 56 if (!pnvbo) 57 return -EINVAL; 58 prev = *pnvbo; 59 60 *pnvbo = ref ? nouveau_bo(ttm_bo_reference(&ref->bo)) : NULL; 61 if (prev) { 62 struct ttm_buffer_object *bo = &prev->bo; 63 64 ttm_bo_unref(&bo); 65 } 66 67 return 0; 68 } 69 70 extern struct ttm_bo_driver nouveau_bo_driver; 71 72 void nouveau_bo_move_init(struct nouveau_drm *); 73 int nouveau_bo_new(struct drm_device *, int size, int align, u32 flags, 74 u32 tile_mode, u32 tile_flags, struct sg_table *sg, 75 struct nouveau_bo **); 76 int nouveau_bo_pin(struct nouveau_bo *, u32 flags); 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 u16 nouveau_bo_rd16(struct nouveau_bo *, unsigned index); 82 void nouveau_bo_wr16(struct nouveau_bo *, unsigned index, u16 val); 83 u32 nouveau_bo_rd32(struct nouveau_bo *, unsigned index); 84 void nouveau_bo_wr32(struct nouveau_bo *, unsigned index, u32 val); 85 void nouveau_bo_fence(struct nouveau_bo *, struct nouveau_fence *); 86 int nouveau_bo_validate(struct nouveau_bo *, bool interruptible, 87 bool no_wait_gpu); 88 89 struct nouveau_vma * 90 nouveau_bo_vma_find(struct nouveau_bo *, struct nouveau_vm *); 91 92 int nouveau_bo_vma_add(struct nouveau_bo *, struct nouveau_vm *, 93 struct nouveau_vma *); 94 void nouveau_bo_vma_del(struct nouveau_bo *, struct nouveau_vma *); 95 96 #ifdef __NetBSD__ 97 # define __iomem volatile 98 # define __force 99 #endif 100 101 /* TODO: submit equivalent to TTM generic API upstream? */ 102 static inline void __iomem * 103 nvbo_kmap_obj_iovirtual(struct nouveau_bo *nvbo) 104 { 105 bool is_iomem; 106 void __iomem *ioptr = (void __force __iomem *)ttm_kmap_obj_virtual( 107 &nvbo->kmap, &is_iomem); 108 WARN_ON_ONCE(ioptr && !is_iomem); 109 return ioptr; 110 } 111 112 #ifdef __NetBSD__ 113 # undef __iomem 114 # undef __force 115 #endif 116 117 #endif 118