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 7struct nouveau_channel; 8struct nouveau_cli; 9struct nouveau_drm; 10struct nouveau_fence; 11 12struct 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 /* protect by the ttm reservation lock */ 44 int pin_refcnt; 45 46 struct ttm_bo_kmap_obj dma_buf_vmap; 47}; 48 49static inline struct nouveau_bo * 50nouveau_bo(struct ttm_buffer_object *bo) 51{ 52 return container_of(bo, struct nouveau_bo, bo); 53} 54 55static inline int 56nouveau_bo_ref(struct nouveau_bo *ref, struct nouveau_bo **pnvbo) 57{ 58 struct nouveau_bo *prev; 59 60 if (!pnvbo) 61 return -EINVAL; 62 prev = *pnvbo; 63 64 if (ref) { 65 ttm_bo_get(&ref->bo); 66 *pnvbo = nouveau_bo(&ref->bo); 67 } else { 68 *pnvbo = NULL; 69 } 70 if (prev) 71 ttm_bo_put(&prev->bo); 72 73 return 0; 74} 75 76extern struct ttm_bo_driver nouveau_bo_driver; 77 78void nouveau_bo_move_init(struct nouveau_drm *); 79struct nouveau_bo *nouveau_bo_alloc(struct nouveau_cli *, u64 *size, int *align, 80 u32 domain, u32 tile_mode, u32 tile_flags); 81int nouveau_bo_init(struct nouveau_bo *, u64 size, int align, u32 domain, 82 struct sg_table *sg, struct dma_resv *robj); 83int nouveau_bo_new(struct nouveau_cli *, u64 size, int align, u32 domain, 84 u32 tile_mode, u32 tile_flags, struct sg_table *sg, 85 struct dma_resv *robj, 86 struct nouveau_bo **); 87int nouveau_bo_pin(struct nouveau_bo *, u32 flags, bool contig); 88int nouveau_bo_unpin(struct nouveau_bo *); 89int nouveau_bo_map(struct nouveau_bo *); 90void nouveau_bo_unmap(struct nouveau_bo *); 91void nouveau_bo_placement_set(struct nouveau_bo *, u32 type, u32 busy); 92void nouveau_bo_wr16(struct nouveau_bo *, unsigned index, u16 val); 93u32 nouveau_bo_rd32(struct nouveau_bo *, unsigned index); 94void nouveau_bo_wr32(struct nouveau_bo *, unsigned index, u32 val); 95void nouveau_bo_fence(struct nouveau_bo *, struct nouveau_fence *, bool exclusive); 96int nouveau_bo_validate(struct nouveau_bo *, bool interruptible, 97 bool no_wait_gpu); 98void nouveau_bo_sync_for_device(struct nouveau_bo *nvbo); 99void nouveau_bo_sync_for_cpu(struct nouveau_bo *nvbo); 100void nouveau_bo_add_io_reserve_lru(struct ttm_buffer_object *bo); 101void nouveau_bo_del_io_reserve_lru(struct ttm_buffer_object *bo); 102 103/* TODO: submit equivalent to TTM generic API upstream? */ 104static inline void __iomem * 105nvbo_kmap_obj_iovirtual(struct nouveau_bo *nvbo) 106{ 107 bool is_iomem; 108 void __iomem *ioptr = (void __force __iomem *)ttm_kmap_obj_virtual( 109 &nvbo->kmap, &is_iomem); 110 WARN_ON_ONCE(ioptr && !is_iomem); 111 return ioptr; 112} 113 114static inline void 115nouveau_bo_unmap_unpin_unref(struct nouveau_bo **pnvbo) 116{ 117 if (*pnvbo) { 118 nouveau_bo_unmap(*pnvbo); 119 nouveau_bo_unpin(*pnvbo); 120 nouveau_bo_ref(NULL, pnvbo); 121 } 122} 123 124static inline int 125nouveau_bo_new_pin_map(struct nouveau_cli *cli, u64 size, int align, u32 domain, 126 struct nouveau_bo **pnvbo) 127{ 128 int ret = nouveau_bo_new(cli, size, align, domain, 129 0, 0, NULL, NULL, pnvbo); 130 if (ret == 0) { 131 ret = nouveau_bo_pin(*pnvbo, domain, true); 132 if (ret == 0) { 133 ret = nouveau_bo_map(*pnvbo); 134 if (ret == 0) 135 return ret; 136 nouveau_bo_unpin(*pnvbo); 137 } 138 nouveau_bo_ref(NULL, pnvbo); 139 } 140 return ret; 141} 142 143int nv04_bo_move_init(struct nouveau_channel *, u32); 144int nv04_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *, 145 struct ttm_resource *, struct ttm_resource *); 146 147int nv50_bo_move_init(struct nouveau_channel *, u32); 148int nv50_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *, 149 struct ttm_resource *, struct ttm_resource *); 150 151int nv84_bo_move_exec(struct nouveau_channel *, struct ttm_buffer_object *, 152 struct ttm_resource *, struct ttm_resource *); 153 154int nva3_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *, 155 struct ttm_resource *, struct ttm_resource *); 156 157int nvc0_bo_move_init(struct nouveau_channel *, u32); 158int nvc0_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *, 159 struct ttm_resource *, struct ttm_resource *); 160 161int nvc0_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *, 162 struct ttm_resource *, struct ttm_resource *); 163 164int nve0_bo_move_init(struct nouveau_channel *, u32); 165int nve0_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *, 166 struct ttm_resource *, struct ttm_resource *); 167 168#define NVBO_WR32_(b,o,dr,f) nouveau_bo_wr32((b), (o)/4 + (dr), (f)) 169#define NVBO_RD32_(b,o,dr) nouveau_bo_rd32((b), (o)/4 + (dr)) 170#define NVBO_RD32(A...) DRF_RD(NVBO_RD32_, ##A) 171#define NVBO_RV32(A...) DRF_RV(NVBO_RD32_, ##A) 172#define NVBO_TV32(A...) DRF_TV(NVBO_RD32_, ##A) 173#define NVBO_TD32(A...) DRF_TD(NVBO_RD32_, ##A) 174#define NVBO_WR32(A...) DRF_WR( NVBO_WR32_, ##A) 175#define NVBO_WV32(A...) DRF_WV( NVBO_WR32_, ##A) 176#define NVBO_WD32(A...) DRF_WD( NVBO_WR32_, ##A) 177#define NVBO_MR32(A...) DRF_MR(NVBO_RD32_, NVBO_WR32_, u32, ##A) 178#define NVBO_MV32(A...) DRF_MV(NVBO_RD32_, NVBO_WR32_, u32, ##A) 179#define NVBO_MD32(A...) DRF_MD(NVBO_RD32_, NVBO_WR32_, u32, ##A) 180#endif 181