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 struct list_head io_reserve_lru; 22 23 /* protected by ttm_bo_reserve() */ 24 struct drm_file *reserved_by; 25 struct list_head entry; 26 int pbbo_index; 27 bool validate_mapped; 28 29 /* GPU address space is independent of CPU word size */ 30 uint64_t offset; 31 32 struct list_head vma_list; 33 34 unsigned contig:1; 35 unsigned page:5; 36 unsigned kind:8; 37 unsigned comp:3; 38 unsigned zeta:3; 39 unsigned mode; 40 41 struct nouveau_drm_tile *tile; 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 if (ref) { 60 ttm_bo_get(&ref->bo); 61 *pnvbo = nouveau_bo(&ref->bo); 62 } else { 63 *pnvbo = NULL; 64 } 65 if (prev) 66 ttm_bo_put(&prev->bo); 67 68 return 0; 69 } 70 71 extern struct ttm_device_funcs nouveau_bo_driver; 72 73 void nouveau_bo_move_init(struct nouveau_drm *); 74 struct nouveau_bo *nouveau_bo_alloc(struct nouveau_cli *, u64 *size, int *align, 75 u32 domain, u32 tile_mode, u32 tile_flags); 76 int nouveau_bo_init(struct nouveau_bo *, u64 size, int align, u32 domain, 77 struct sg_table *sg, struct dma_resv *robj); 78 int nouveau_bo_new(struct nouveau_cli *, u64 size, int align, u32 domain, 79 u32 tile_mode, u32 tile_flags, struct sg_table *sg, 80 struct dma_resv *robj, 81 struct nouveau_bo **); 82 int nouveau_bo_pin(struct nouveau_bo *, u32 flags, bool contig); 83 int nouveau_bo_unpin(struct nouveau_bo *); 84 int nouveau_bo_map(struct nouveau_bo *); 85 void nouveau_bo_unmap(struct nouveau_bo *); 86 void nouveau_bo_placement_set(struct nouveau_bo *, u32 type, u32 busy); 87 void nouveau_bo_wr16(struct nouveau_bo *, unsigned index, u16 val); 88 u32 nouveau_bo_rd32(struct nouveau_bo *, unsigned index); 89 void nouveau_bo_wr32(struct nouveau_bo *, unsigned index, u32 val); 90 vm_fault_t nouveau_ttm_fault_reserve_notify(struct ttm_buffer_object *bo); 91 void nouveau_bo_fence(struct nouveau_bo *, struct nouveau_fence *, bool exclusive); 92 int nouveau_bo_validate(struct nouveau_bo *, bool interruptible, 93 bool no_wait_gpu); 94 void nouveau_bo_sync_for_device(struct nouveau_bo *nvbo); 95 void nouveau_bo_sync_for_cpu(struct nouveau_bo *nvbo); 96 void nouveau_bo_add_io_reserve_lru(struct ttm_buffer_object *bo); 97 void nouveau_bo_del_io_reserve_lru(struct ttm_buffer_object *bo); 98 99 /* TODO: submit equivalent to TTM generic API upstream? */ 100 static inline void __iomem * 101 nvbo_kmap_obj_iovirtual(struct nouveau_bo *nvbo) 102 { 103 bool is_iomem; 104 void __iomem *ioptr = (void __force __iomem *)ttm_kmap_obj_virtual( 105 &nvbo->kmap, &is_iomem); 106 WARN_ON_ONCE(ioptr && !is_iomem); 107 return ioptr; 108 } 109 110 static inline void 111 nouveau_bo_unmap_unpin_unref(struct nouveau_bo **pnvbo) 112 { 113 if (*pnvbo) { 114 nouveau_bo_unmap(*pnvbo); 115 nouveau_bo_unpin(*pnvbo); 116 nouveau_bo_ref(NULL, pnvbo); 117 } 118 } 119 120 static inline int 121 nouveau_bo_new_pin_map(struct nouveau_cli *cli, u64 size, int align, u32 domain, 122 struct nouveau_bo **pnvbo) 123 { 124 int ret = nouveau_bo_new(cli, size, align, domain, 125 0, 0, NULL, NULL, pnvbo); 126 if (ret == 0) { 127 ret = nouveau_bo_pin(*pnvbo, domain, true); 128 if (ret == 0) { 129 ret = nouveau_bo_map(*pnvbo); 130 if (ret == 0) 131 return ret; 132 nouveau_bo_unpin(*pnvbo); 133 } 134 nouveau_bo_ref(NULL, pnvbo); 135 } 136 return ret; 137 } 138 139 int nv04_bo_move_init(struct nouveau_channel *, u32); 140 int nv04_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *, 141 struct ttm_resource *, struct ttm_resource *); 142 143 int nv50_bo_move_init(struct nouveau_channel *, u32); 144 int nv50_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *, 145 struct ttm_resource *, struct ttm_resource *); 146 147 int nv84_bo_move_exec(struct nouveau_channel *, struct ttm_buffer_object *, 148 struct ttm_resource *, struct ttm_resource *); 149 150 int nva3_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *, 151 struct ttm_resource *, struct ttm_resource *); 152 153 int nvc0_bo_move_init(struct nouveau_channel *, u32); 154 int nvc0_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *, 155 struct ttm_resource *, struct ttm_resource *); 156 157 int nvc0_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *, 158 struct ttm_resource *, struct ttm_resource *); 159 160 int nve0_bo_move_init(struct nouveau_channel *, u32); 161 int nve0_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *, 162 struct ttm_resource *, struct ttm_resource *); 163 164 #define NVBO_WR32_(b,o,dr,f) nouveau_bo_wr32((b), (o)/4 + (dr), (f)) 165 #define NVBO_RD32_(b,o,dr) nouveau_bo_rd32((b), (o)/4 + (dr)) 166 #define NVBO_RD32(A...) DRF_RD(NVBO_RD32_, ##A) 167 #define NVBO_RV32(A...) DRF_RV(NVBO_RD32_, ##A) 168 #define NVBO_TV32(A...) DRF_TV(NVBO_RD32_, ##A) 169 #define NVBO_TD32(A...) DRF_TD(NVBO_RD32_, ##A) 170 #define NVBO_WR32(A...) DRF_WR( NVBO_WR32_, ##A) 171 #define NVBO_WV32(A...) DRF_WV( NVBO_WR32_, ##A) 172 #define NVBO_WD32(A...) DRF_WD( NVBO_WR32_, ##A) 173 #define NVBO_MR32(A...) DRF_MR(NVBO_RD32_, NVBO_WR32_, u32, ##A) 174 #define NVBO_MV32(A...) DRF_MV(NVBO_RD32_, NVBO_WR32_, u32, ##A) 175 #define NVBO_MD32(A...) DRF_MD(NVBO_RD32_, NVBO_WR32_, u32, ##A) 176 #endif 177