1 /* SPDX-License-Identifier: MIT */
2 #ifndef __NOUVEAU_BO_H__
3 #define __NOUVEAU_BO_H__
4 #include <drm/ttm/ttm_bo_driver.h>
5 #include <drm/drm_gem.h>
7 struct nouveau_channel;
13 struct ttm_buffer_object bo;
14 struct ttm_placement placement;
16 struct ttm_place placements[3];
17 struct ttm_place busy_placements[3];
19 struct ttm_bo_kmap_obj kmap;
20 struct list_head head;
22 /* protected by ttm_bo_reserve() */
23 struct drm_file *reserved_by;
24 struct list_head entry;
28 /* GPU address space is independent of CPU word size */
31 struct list_head vma_list;
40 struct nouveau_drm_tile *tile;
42 /* protect by the ttm reservation lock */
45 struct ttm_bo_kmap_obj dma_buf_vmap;
48 static inline struct nouveau_bo *
49 nouveau_bo(struct ttm_buffer_object *bo)
51 return container_of(bo, struct nouveau_bo, bo);
55 nouveau_bo_ref(struct nouveau_bo *ref, struct nouveau_bo **pnvbo)
57 struct nouveau_bo *prev;
65 *pnvbo = nouveau_bo(&ref->bo);
70 ttm_bo_put(&prev->bo);
75 extern struct ttm_bo_driver nouveau_bo_driver;
77 void nouveau_bo_move_init(struct nouveau_drm *);
78 struct nouveau_bo *nouveau_bo_alloc(struct nouveau_cli *, u64 *size, int *align,
79 u32 flags, u32 tile_mode, u32 tile_flags);
80 int nouveau_bo_init(struct nouveau_bo *, u64 size, int align, u32 flags,
81 struct sg_table *sg, struct dma_resv *robj);
82 int nouveau_bo_new(struct nouveau_cli *, u64 size, int align, u32 flags,
83 u32 tile_mode, u32 tile_flags, struct sg_table *sg,
84 struct dma_resv *robj,
85 struct nouveau_bo **);
86 int nouveau_bo_pin(struct nouveau_bo *, u32 flags, bool contig);
87 int nouveau_bo_unpin(struct nouveau_bo *);
88 int nouveau_bo_map(struct nouveau_bo *);
89 void nouveau_bo_unmap(struct nouveau_bo *);
90 void nouveau_bo_placement_set(struct nouveau_bo *, u32 type, u32 busy);
91 void nouveau_bo_wr16(struct nouveau_bo *, unsigned index, u16 val);
92 u32 nouveau_bo_rd32(struct nouveau_bo *, unsigned index);
93 void nouveau_bo_wr32(struct nouveau_bo *, unsigned index, u32 val);
94 void nouveau_bo_fence(struct nouveau_bo *, struct nouveau_fence *, bool exclusive);
95 int nouveau_bo_validate(struct nouveau_bo *, bool interruptible,
97 void nouveau_bo_sync_for_device(struct nouveau_bo *nvbo);
98 void nouveau_bo_sync_for_cpu(struct nouveau_bo *nvbo);
100 /* TODO: submit equivalent to TTM generic API upstream? */
101 static inline void __iomem *
102 nvbo_kmap_obj_iovirtual(struct nouveau_bo *nvbo)
105 void __iomem *ioptr = (void __force __iomem *)ttm_kmap_obj_virtual(
106 &nvbo->kmap, &is_iomem);
107 WARN_ON_ONCE(ioptr && !is_iomem);
112 nouveau_bo_unmap_unpin_unref(struct nouveau_bo **pnvbo)
115 nouveau_bo_unmap(*pnvbo);
116 nouveau_bo_unpin(*pnvbo);
117 nouveau_bo_ref(NULL, pnvbo);
122 nouveau_bo_new_pin_map(struct nouveau_cli *cli, u64 size, int align, u32 flags,
123 struct nouveau_bo **pnvbo)
125 int ret = nouveau_bo_new(cli, size, align, flags,
126 0, 0, NULL, NULL, pnvbo);
128 ret = nouveau_bo_pin(*pnvbo, flags, true);
130 ret = nouveau_bo_map(*pnvbo);
133 nouveau_bo_unpin(*pnvbo);
135 nouveau_bo_ref(NULL, pnvbo);
140 int nv04_bo_move_init(struct nouveau_channel *, u32);
141 int nv04_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *,
142 struct ttm_resource *, struct ttm_resource *);
144 int nv50_bo_move_init(struct nouveau_channel *, u32);
145 int nv50_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *,
146 struct ttm_resource *, struct ttm_resource *);
148 int nv84_bo_move_exec(struct nouveau_channel *, struct ttm_buffer_object *,
149 struct ttm_resource *, struct ttm_resource *);
151 int nva3_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *,
152 struct ttm_resource *, struct ttm_resource *);
154 int nvc0_bo_move_init(struct nouveau_channel *, u32);
155 int nvc0_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *,
156 struct ttm_resource *, struct ttm_resource *);
158 int nvc0_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *,
159 struct ttm_resource *, struct ttm_resource *);
161 int nve0_bo_move_init(struct nouveau_channel *, u32);
162 int nve0_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *,
163 struct ttm_resource *, struct ttm_resource *);
165 #define NVBO_WR32_(b,o,dr,f) nouveau_bo_wr32((b), (o)/4 + (dr), (f))
166 #define NVBO_RD32_(b,o,dr) nouveau_bo_rd32((b), (o)/4 + (dr))
167 #define NVBO_RD32(A...) DRF_RD(NVBO_RD32_, ##A)
168 #define NVBO_RV32(A...) DRF_RV(NVBO_RD32_, ##A)
169 #define NVBO_TV32(A...) DRF_TV(NVBO_RD32_, ##A)
170 #define NVBO_TD32(A...) DRF_TD(NVBO_RD32_, ##A)
171 #define NVBO_WR32(A...) DRF_WR( NVBO_WR32_, ##A)
172 #define NVBO_WV32(A...) DRF_WV( NVBO_WR32_, ##A)
173 #define NVBO_WD32(A...) DRF_WD( NVBO_WR32_, ##A)
174 #define NVBO_MR32(A...) DRF_MR(NVBO_RD32_, NVBO_WR32_, u32, ##A)
175 #define NVBO_MV32(A...) DRF_MV(NVBO_RD32_, NVBO_WR32_, u32, ##A)
176 #define NVBO_MD32(A...) DRF_MD(NVBO_RD32_, NVBO_WR32_, u32, ##A)