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 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 /* Root GEM object we derive the dma_resv of in case this BO is not 30 * shared between VMs. 31 */ 32 struct drm_gem_object *r_obj; 33 bool no_share; 34 35 /* GPU address space is independent of CPU word size */ 36 uint64_t offset; 37 38 struct list_head vma_list; 39 40 unsigned contig:1; 41 unsigned page:5; 42 unsigned kind:8; 43 unsigned comp:3; 44 unsigned zeta:3; 45 unsigned mode; 46 47 struct nouveau_drm_tile *tile; 48 }; 49 50 static inline struct nouveau_bo * 51 nouveau_bo(struct ttm_buffer_object *bo) 52 { 53 return container_of(bo, struct nouveau_bo, bo); 54 } 55 56 static inline void 57 nouveau_bo_fini(struct nouveau_bo *bo) 58 { 59 ttm_bo_put(&bo->bo); 60 } 61 62 extern struct ttm_device_funcs nouveau_bo_driver; 63 64 void nouveau_bo_move_init(struct nouveau_drm *); 65 struct nouveau_bo *nouveau_bo_alloc(struct nouveau_cli *, u64 *size, int *align, 66 u32 domain, u32 tile_mode, u32 tile_flags, bool internal); 67 int nouveau_bo_init(struct nouveau_bo *, u64 size, int align, u32 domain, 68 struct sg_table *sg, struct dma_resv *robj); 69 int nouveau_bo_new(struct nouveau_cli *, u64 size, int align, u32 domain, 70 u32 tile_mode, u32 tile_flags, struct sg_table *sg, 71 struct dma_resv *robj, 72 struct nouveau_bo **); 73 int nouveau_bo_pin_locked(struct nouveau_bo *nvbo, uint32_t domain, bool contig); 74 void nouveau_bo_unpin_locked(struct nouveau_bo *nvbo); 75 int nouveau_bo_pin(struct nouveau_bo *, u32 flags, bool contig); 76 int nouveau_bo_unpin(struct nouveau_bo *); 77 int nouveau_bo_map(struct nouveau_bo *); 78 void nouveau_bo_unmap(struct nouveau_bo *); 79 void nouveau_bo_placement_set(struct nouveau_bo *, u32 type, u32 busy); 80 void nouveau_bo_wr16(struct nouveau_bo *, unsigned index, u16 val); 81 u32 nouveau_bo_rd32(struct nouveau_bo *, unsigned index); 82 void nouveau_bo_wr32(struct nouveau_bo *, unsigned index, u32 val); 83 vm_fault_t nouveau_ttm_fault_reserve_notify(struct ttm_buffer_object *bo); 84 void nouveau_bo_fence(struct nouveau_bo *, struct nouveau_fence *, bool exclusive); 85 int nouveau_bo_validate(struct nouveau_bo *, bool interruptible, 86 bool no_wait_gpu); 87 void nouveau_bo_sync_for_device(struct nouveau_bo *nvbo); 88 void nouveau_bo_sync_for_cpu(struct nouveau_bo *nvbo); 89 void nouveau_bo_add_io_reserve_lru(struct ttm_buffer_object *bo); 90 void nouveau_bo_del_io_reserve_lru(struct ttm_buffer_object *bo); 91 92 /* TODO: submit equivalent to TTM generic API upstream? */ 93 static inline void __iomem * 94 nvbo_kmap_obj_iovirtual(struct nouveau_bo *nvbo) 95 { 96 bool is_iomem; 97 void __iomem *ioptr = (void __force __iomem *)ttm_kmap_obj_virtual( 98 &nvbo->kmap, &is_iomem); 99 WARN_ON_ONCE(ioptr && !is_iomem); 100 return ioptr; 101 } 102 103 int nv04_bo_move_init(struct nouveau_channel *, u32); 104 int nv04_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *, 105 struct ttm_resource *, struct ttm_resource *); 106 107 int nv50_bo_move_init(struct nouveau_channel *, u32); 108 int nv50_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *, 109 struct ttm_resource *, struct ttm_resource *); 110 111 int nv84_bo_move_exec(struct nouveau_channel *, struct ttm_buffer_object *, 112 struct ttm_resource *, struct ttm_resource *); 113 114 int nva3_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *, 115 struct ttm_resource *, struct ttm_resource *); 116 117 int nvc0_bo_move_init(struct nouveau_channel *, u32); 118 int nvc0_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *, 119 struct ttm_resource *, struct ttm_resource *); 120 121 int nvc0_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *, 122 struct ttm_resource *, struct ttm_resource *); 123 124 int nve0_bo_move_init(struct nouveau_channel *, u32); 125 int nve0_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *, 126 struct ttm_resource *, struct ttm_resource *); 127 128 #define NVBO_WR32_(b,o,dr,f) nouveau_bo_wr32((b), (o)/4 + (dr), (f)) 129 #define NVBO_RD32_(b,o,dr) nouveau_bo_rd32((b), (o)/4 + (dr)) 130 #define NVBO_RD32(A...) DRF_RD(NVBO_RD32_, ##A) 131 #define NVBO_RV32(A...) DRF_RV(NVBO_RD32_, ##A) 132 #define NVBO_TV32(A...) DRF_TV(NVBO_RD32_, ##A) 133 #define NVBO_TD32(A...) DRF_TD(NVBO_RD32_, ##A) 134 #define NVBO_WR32(A...) DRF_WR( NVBO_WR32_, ##A) 135 #define NVBO_WV32(A...) DRF_WV( NVBO_WR32_, ##A) 136 #define NVBO_WD32(A...) DRF_WD( NVBO_WR32_, ##A) 137 #define NVBO_MR32(A...) DRF_MR(NVBO_RD32_, NVBO_WR32_, u32, ##A) 138 #define NVBO_MV32(A...) DRF_MV(NVBO_RD32_, NVBO_WR32_, u32, ##A) 139 #define NVBO_MD32(A...) DRF_MD(NVBO_RD32_, NVBO_WR32_, u32, ##A) 140 #endif 141