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 8struct nouveau_channel; 9struct nouveau_cli; 10struct nouveau_drm; 11struct nouveau_fence; 12 13struct 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 bool no_share; 30 31 /* GPU address space is independent of CPU word size */ 32 uint64_t offset; 33 34 struct list_head vma_list; 35 36 unsigned contig:1; 37 unsigned page:5; 38 unsigned kind:8; 39 unsigned comp:3; 40 unsigned zeta:3; 41 unsigned mode; 42 43 struct nouveau_drm_tile *tile; 44}; 45 46static inline struct nouveau_bo * 47nouveau_bo(struct ttm_buffer_object *bo) 48{ 49 return container_of(bo, struct nouveau_bo, bo); 50} 51 52static inline int 53nouveau_bo_ref(struct nouveau_bo *ref, struct nouveau_bo **pnvbo) 54{ 55 struct nouveau_bo *prev; 56 57 if (!pnvbo) 58 return -EINVAL; 59 prev = *pnvbo; 60 61 if (ref) { 62 ttm_bo_get(&ref->bo); 63 *pnvbo = nouveau_bo(&ref->bo); 64 } else { 65 *pnvbo = NULL; 66 } 67 if (prev) 68 ttm_bo_put(&prev->bo); 69 70 return 0; 71} 72 73extern struct ttm_device_funcs nouveau_bo_driver; 74 75void nouveau_bo_move_init(struct nouveau_drm *); 76struct nouveau_bo *nouveau_bo_alloc(struct nouveau_cli *, u64 *size, int *align, 77 u32 domain, u32 tile_mode, u32 tile_flags, bool internal); 78int nouveau_bo_init(struct nouveau_bo *, u64 size, int align, u32 domain, 79 struct sg_table *sg, struct dma_resv *robj); 80int nouveau_bo_new(struct nouveau_cli *, u64 size, int align, u32 domain, 81 u32 tile_mode, u32 tile_flags, struct sg_table *sg, 82 struct dma_resv *robj, 83 struct nouveau_bo **); 84int nouveau_bo_pin(struct nouveau_bo *, u32 flags, bool contig); 85int nouveau_bo_unpin(struct nouveau_bo *); 86int nouveau_bo_map(struct nouveau_bo *); 87void nouveau_bo_unmap(struct nouveau_bo *); 88void nouveau_bo_placement_set(struct nouveau_bo *, u32 type, u32 busy); 89void nouveau_bo_wr16(struct nouveau_bo *, unsigned index, u16 val); 90u32 nouveau_bo_rd32(struct nouveau_bo *, unsigned index); 91void nouveau_bo_wr32(struct nouveau_bo *, unsigned index, u32 val); 92vm_fault_t nouveau_ttm_fault_reserve_notify(struct ttm_buffer_object *bo); 93void nouveau_bo_fence(struct nouveau_bo *, struct nouveau_fence *, bool exclusive); 94int nouveau_bo_validate(struct nouveau_bo *, bool interruptible, 95 bool no_wait_gpu); 96void nouveau_bo_sync_for_device(struct nouveau_bo *nvbo); 97void nouveau_bo_sync_for_cpu(struct nouveau_bo *nvbo); 98void nouveau_bo_add_io_reserve_lru(struct ttm_buffer_object *bo); 99void nouveau_bo_del_io_reserve_lru(struct ttm_buffer_object *bo); 100 101/* TODO: submit equivalent to TTM generic API upstream? */ 102static inline void __iomem * 103nvbo_kmap_obj_iovirtual(struct nouveau_bo *nvbo) 104{ 105 bool is_iomem; 106 void __iomem *ioptr = (void __force __iomem *)ttm_kmap_obj_virtual( 107 &nvbo->kmap, &is_iomem); 108 WARN_ON_ONCE(ioptr && !is_iomem); 109 return ioptr; 110} 111 112static inline void 113nouveau_bo_unmap_unpin_unref(struct nouveau_bo **pnvbo) 114{ 115 if (*pnvbo) { 116 nouveau_bo_unmap(*pnvbo); 117 nouveau_bo_unpin(*pnvbo); 118 nouveau_bo_ref(NULL, pnvbo); 119 } 120} 121 122static inline int 123nouveau_bo_new_pin_map(struct nouveau_cli *cli, u64 size, int align, u32 domain, 124 struct nouveau_bo **pnvbo) 125{ 126 int ret = nouveau_bo_new(cli, size, align, domain, 127 0, 0, NULL, NULL, pnvbo); 128 if (ret == 0) { 129 ret = nouveau_bo_pin(*pnvbo, domain, true); 130 if (ret == 0) { 131 ret = nouveau_bo_map(*pnvbo); 132 if (ret == 0) 133 return ret; 134 nouveau_bo_unpin(*pnvbo); 135 } 136 nouveau_bo_ref(NULL, pnvbo); 137 } 138 return ret; 139} 140 141int nv04_bo_move_init(struct nouveau_channel *, u32); 142int nv04_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *, 143 struct ttm_resource *, struct ttm_resource *); 144 145int nv50_bo_move_init(struct nouveau_channel *, u32); 146int nv50_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *, 147 struct ttm_resource *, struct ttm_resource *); 148 149int nv84_bo_move_exec(struct nouveau_channel *, struct ttm_buffer_object *, 150 struct ttm_resource *, struct ttm_resource *); 151 152int nva3_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *, 153 struct ttm_resource *, struct ttm_resource *); 154 155int nvc0_bo_move_init(struct nouveau_channel *, u32); 156int nvc0_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *, 157 struct ttm_resource *, struct ttm_resource *); 158 159int nvc0_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *, 160 struct ttm_resource *, struct ttm_resource *); 161 162int nve0_bo_move_init(struct nouveau_channel *, u32); 163int nve0_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *, 164 struct ttm_resource *, struct ttm_resource *); 165 166#define NVBO_WR32_(b,o,dr,f) nouveau_bo_wr32((b), (o)/4 + (dr), (f)) 167#define NVBO_RD32_(b,o,dr) nouveau_bo_rd32((b), (o)/4 + (dr)) 168#define NVBO_RD32(A...) DRF_RD(NVBO_RD32_, ##A) 169#define NVBO_RV32(A...) DRF_RV(NVBO_RD32_, ##A) 170#define NVBO_TV32(A...) DRF_TV(NVBO_RD32_, ##A) 171#define NVBO_TD32(A...) DRF_TD(NVBO_RD32_, ##A) 172#define NVBO_WR32(A...) DRF_WR( NVBO_WR32_, ##A) 173#define NVBO_WV32(A...) DRF_WV( NVBO_WR32_, ##A) 174#define NVBO_WD32(A...) DRF_WD( NVBO_WR32_, ##A) 175#define NVBO_MR32(A...) DRF_MR(NVBO_RD32_, NVBO_WR32_, u32, ##A) 176#define NVBO_MV32(A...) DRF_MV(NVBO_RD32_, NVBO_WR32_, u32, ##A) 177#define NVBO_MD32(A...) DRF_MD(NVBO_RD32_, NVBO_WR32_, u32, ##A) 178#endif 179