drivers/gpu/drm/nouveau/nouveau_bo.h

   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_bo_driver 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