1 /* SPDX-License-Identifier: MIT */ 2 #ifndef __NOUVEAU_BO_H__ 3 #define __NOUVEAU_BO_H__ 4 #include <drm/drm_gem.h> 5 #include <drm/ttm/ttm_bo.h> 6 #include <drm/ttm/ttm_placement.h> 7 8 struct nouveau_channel; 9 struct nouveau_cli; 10 struct nouveau_drm; 11 struct nouveau_fence; 12 13 struct nouveau_bo { 14 struct ttm_buffer_object bo; 15 struct ttm_placement placement; 16 u32 valid_domains; 17 struct ttm_place placements[3]; 18 struct ttm_place busy_placements[3]; 19 bool force_coherent; 20 struct ttm_bo_kmap_obj kmap; 21 struct list_head head; 22 struct list_head io_reserve_lru; 23 24 /* protected by ttm_bo_reserve() */ 25 struct drm_file *reserved_by; 26 struct list_head entry; 27 int pbbo_index; 28 bool validate_mapped; 29 30 /* Root GEM object we derive the dma_resv of in case this BO is not 31 * shared between VMs. 32 */ 33 struct drm_gem_object *r_obj; 34 bool no_share; 35 36 /* GPU address space is independent of CPU word size */ 37 uint64_t offset; 38 39 struct list_head vma_list; 40 41 unsigned contig:1; 42 unsigned page:5; 43 unsigned kind:8; 44 unsigned comp:3; 45 unsigned zeta:3; 46 unsigned mode; 47 48 struct nouveau_drm_tile *tile; 49 }; 50 51 static inline struct nouveau_bo * 52 nouveau_bo(struct ttm_buffer_object *bo) 53 { 54 return container_of(bo, struct nouveau_bo, bo); 55 } 56 57 static inline int 58 nouveau_bo_ref(struct nouveau_bo *ref, struct nouveau_bo **pnvbo) 59 { 60 struct nouveau_bo *prev; 61 62 if (!pnvbo) 63 return -EINVAL; 64 prev = *pnvbo; 65 66 if (ref) { 67 ttm_bo_get(&ref->bo); 68 *pnvbo = nouveau_bo(&ref->bo); 69 } else { 70 *pnvbo = NULL; 71 } 72 if (prev) 73 ttm_bo_put(&prev->bo); 74 75 return 0; 76 } 77 78 extern struct ttm_device_funcs nouveau_bo_driver; 79 80 void nouveau_bo_move_init(struct nouveau_drm *); 81 struct nouveau_bo *nouveau_bo_alloc(struct nouveau_cli *, u64 *size, int *align, 82 u32 domain, u32 tile_mode, u32 tile_flags, bool internal); 83 int nouveau_bo_init(struct nouveau_bo *, u64 size, int align, u32 domain, 84 struct sg_table *sg, struct dma_resv *robj); 85 int nouveau_bo_new(struct nouveau_cli *, u64 size, int align, u32 domain, 86 u32 tile_mode, u32 tile_flags, struct sg_table *sg, 87 struct dma_resv *robj, 88 struct nouveau_bo **); 89 int nouveau_bo_pin(struct nouveau_bo *, u32 flags, bool contig); 90 int nouveau_bo_unpin(struct nouveau_bo *); 91 int nouveau_bo_map(struct nouveau_bo *); 92 void nouveau_bo_unmap(struct nouveau_bo *); 93 void nouveau_bo_placement_set(struct nouveau_bo *, u32 type, u32 busy); 94 void nouveau_bo_wr16(struct nouveau_bo *, unsigned index, u16 val); 95 u32 nouveau_bo_rd32(struct nouveau_bo *, unsigned index); 96 void nouveau_bo_wr32(struct nouveau_bo *, unsigned index, u32 val); 97 vm_fault_t nouveau_ttm_fault_reserve_notify(struct ttm_buffer_object *bo); 98 void nouveau_bo_fence(struct nouveau_bo *, struct nouveau_fence *, bool exclusive); 99 int nouveau_bo_validate(struct nouveau_bo *, bool interruptible, 100 bool no_wait_gpu); 101 void nouveau_bo_sync_for_device(struct nouveau_bo *nvbo); 102 void nouveau_bo_sync_for_cpu(struct nouveau_bo *nvbo); 103 void nouveau_bo_add_io_reserve_lru(struct ttm_buffer_object *bo); 104 void nouveau_bo_del_io_reserve_lru(struct ttm_buffer_object *bo); 105 106 /* TODO: submit equivalent to TTM generic API upstream? */ 107 static inline void __iomem * 108 nvbo_kmap_obj_iovirtual(struct nouveau_bo *nvbo) 109 { 110 bool is_iomem; 111 void __iomem *ioptr = (void __force __iomem *)ttm_kmap_obj_virtual( 112 &nvbo->kmap, &is_iomem); 113 WARN_ON_ONCE(ioptr && !is_iomem); 114 return ioptr; 115 } 116 117 static inline void 118 nouveau_bo_unmap_unpin_unref(struct nouveau_bo **pnvbo) 119 { 120 if (*pnvbo) { 121 nouveau_bo_unmap(*pnvbo); 122 nouveau_bo_unpin(*pnvbo); 123 nouveau_bo_ref(NULL, pnvbo); 124 } 125 } 126 127 static inline int 128 nouveau_bo_new_pin_map(struct nouveau_cli *cli, u64 size, int align, u32 domain, 129 struct nouveau_bo **pnvbo) 130 { 131 int ret = nouveau_bo_new(cli, size, align, domain, 132 0, 0, NULL, NULL, pnvbo); 133 if (ret == 0) { 134 ret = nouveau_bo_pin(*pnvbo, domain, true); 135 if (ret == 0) { 136 ret = nouveau_bo_map(*pnvbo); 137 if (ret == 0) 138 return ret; 139 nouveau_bo_unpin(*pnvbo); 140 } 141 nouveau_bo_ref(NULL, pnvbo); 142 } 143 return ret; 144 } 145 146 int nv04_bo_move_init(struct nouveau_channel *, u32); 147 int nv04_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *, 148 struct ttm_resource *, struct ttm_resource *); 149 150 int nv50_bo_move_init(struct nouveau_channel *, u32); 151 int nv50_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *, 152 struct ttm_resource *, struct ttm_resource *); 153 154 int nv84_bo_move_exec(struct nouveau_channel *, struct ttm_buffer_object *, 155 struct ttm_resource *, struct ttm_resource *); 156 157 int nva3_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *, 158 struct ttm_resource *, struct ttm_resource *); 159 160 int nvc0_bo_move_init(struct nouveau_channel *, u32); 161 int nvc0_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *, 162 struct ttm_resource *, struct ttm_resource *); 163 164 int nvc0_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *, 165 struct ttm_resource *, struct ttm_resource *); 166 167 int nve0_bo_move_init(struct nouveau_channel *, u32); 168 int nve0_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *, 169 struct ttm_resource *, struct ttm_resource *); 170 171 #define NVBO_WR32_(b,o,dr,f) nouveau_bo_wr32((b), (o)/4 + (dr), (f)) 172 #define NVBO_RD32_(b,o,dr) nouveau_bo_rd32((b), (o)/4 + (dr)) 173 #define NVBO_RD32(A...) DRF_RD(NVBO_RD32_, ##A) 174 #define NVBO_RV32(A...) DRF_RV(NVBO_RD32_, ##A) 175 #define NVBO_TV32(A...) DRF_TV(NVBO_RD32_, ##A) 176 #define NVBO_TD32(A...) DRF_TD(NVBO_RD32_, ##A) 177 #define NVBO_WR32(A...) DRF_WR( NVBO_WR32_, ##A) 178 #define NVBO_WV32(A...) DRF_WV( NVBO_WR32_, ##A) 179 #define NVBO_WD32(A...) DRF_WD( NVBO_WR32_, ##A) 180 #define NVBO_MR32(A...) DRF_MR(NVBO_RD32_, NVBO_WR32_, u32, ##A) 181 #define NVBO_MV32(A...) DRF_MV(NVBO_RD32_, NVBO_WR32_, u32, ##A) 182 #define NVBO_MD32(A...) DRF_MD(NVBO_RD32_, NVBO_WR32_, u32, ##A) 183 #endif 184