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> 6 7 struct nouveau_channel; 8 struct nouveau_cli; 9 struct nouveau_drm; 10 struct nouveau_fence; 11 12 struct nouveau_bo { 13 struct ttm_buffer_object bo; 14 struct ttm_placement placement; 15 u32 valid_domains; 16 struct ttm_place placements[3]; 17 struct ttm_place busy_placements[3]; 18 bool force_coherent; 19 struct ttm_bo_kmap_obj kmap; 20 struct list_head head; 21 22 /* protected by ttm_bo_reserve() */ 23 struct drm_file *reserved_by; 24 struct list_head entry; 25 int pbbo_index; 26 bool validate_mapped; 27 28 /* GPU address space is independent of CPU word size */ 29 uint64_t offset; 30 31 struct list_head vma_list; 32 33 unsigned contig:1; 34 unsigned page:5; 35 unsigned kind:8; 36 unsigned comp:3; 37 unsigned zeta:3; 38 unsigned mode; 39 40 struct nouveau_drm_tile *tile; 41 42 /* protect by the ttm reservation lock */ 43 int pin_refcnt; 44 45 struct ttm_bo_kmap_obj dma_buf_vmap; 46 }; 47 48 static inline struct nouveau_bo * 49 nouveau_bo(struct ttm_buffer_object *bo) 50 { 51 return container_of(bo, struct nouveau_bo, bo); 52 } 53 54 static inline int 55 nouveau_bo_ref(struct nouveau_bo *ref, struct nouveau_bo **pnvbo) 56 { 57 struct nouveau_bo *prev; 58 59 if (!pnvbo) 60 return -EINVAL; 61 prev = *pnvbo; 62 63 if (ref) { 64 ttm_bo_get(&ref->bo); 65 *pnvbo = nouveau_bo(&ref->bo); 66 } else { 67 *pnvbo = NULL; 68 } 69 if (prev) 70 ttm_bo_put(&prev->bo); 71 72 return 0; 73 } 74 75 extern struct ttm_bo_driver nouveau_bo_driver; 76 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, 96 bool no_wait_gpu); 97 void nouveau_bo_sync_for_device(struct nouveau_bo *nvbo); 98 void nouveau_bo_sync_for_cpu(struct nouveau_bo *nvbo); 99 100 /* TODO: submit equivalent to TTM generic API upstream? */ 101 static inline void __iomem * 102 nvbo_kmap_obj_iovirtual(struct nouveau_bo *nvbo) 103 { 104 bool is_iomem; 105 void __iomem *ioptr = (void __force __iomem *)ttm_kmap_obj_virtual( 106 &nvbo->kmap, &is_iomem); 107 WARN_ON_ONCE(ioptr && !is_iomem); 108 return ioptr; 109 } 110 111 static inline void 112 nouveau_bo_unmap_unpin_unref(struct nouveau_bo **pnvbo) 113 { 114 if (*pnvbo) { 115 nouveau_bo_unmap(*pnvbo); 116 nouveau_bo_unpin(*pnvbo); 117 nouveau_bo_ref(NULL, pnvbo); 118 } 119 } 120 121 static inline int 122 nouveau_bo_new_pin_map(struct nouveau_cli *cli, u64 size, int align, u32 flags, 123 struct nouveau_bo **pnvbo) 124 { 125 int ret = nouveau_bo_new(cli, size, align, flags, 126 0, 0, NULL, NULL, pnvbo); 127 if (ret == 0) { 128 ret = nouveau_bo_pin(*pnvbo, flags, true); 129 if (ret == 0) { 130 ret = nouveau_bo_map(*pnvbo); 131 if (ret == 0) 132 return ret; 133 nouveau_bo_unpin(*pnvbo); 134 } 135 nouveau_bo_ref(NULL, pnvbo); 136 } 137 return ret; 138 } 139 140 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 *); 143 144 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 *); 147 148 int nv84_bo_move_exec(struct nouveau_channel *, struct ttm_buffer_object *, 149 struct ttm_resource *, struct ttm_resource *); 150 151 int nva3_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *, 152 struct ttm_resource *, struct ttm_resource *); 153 154 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 *); 157 158 int nvc0_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *, 159 struct ttm_resource *, struct ttm_resource *); 160 161 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 *); 164 165 #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) 177 #endif 178