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 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 50static inline struct nouveau_bo * 51nouveau_bo(struct ttm_buffer_object *bo) 52{ 53 return container_of(bo, struct nouveau_bo, bo); 54} 55 56static inline int 57nouveau_bo_ref(struct nouveau_bo *ref, struct nouveau_bo **pnvbo) 58{ 59 struct nouveau_bo *prev; 60 61 if (!pnvbo) 62 return -EINVAL; 63 prev = *pnvbo; 64 65 if (ref) { 66 ttm_bo_get(&ref->bo); 67 *pnvbo = nouveau_bo(&ref->bo); 68 } else { 69 *pnvbo = NULL; 70 } 71 if (prev) 72 ttm_bo_put(&prev->bo); 73 74 return 0; 75} 76 77extern struct ttm_device_funcs nouveau_bo_driver; 78 79void nouveau_bo_move_init(struct nouveau_drm *); 80struct nouveau_bo *nouveau_bo_alloc(struct nouveau_cli *, u64 *size, int *align, 81 u32 domain, u32 tile_mode, u32 tile_flags, bool internal); 82int nouveau_bo_init(struct nouveau_bo *, u64 size, int align, u32 domain, 83 struct sg_table *sg, struct dma_resv *robj); 84int nouveau_bo_new(struct nouveau_cli *, u64 size, int align, u32 domain, 85 u32 tile_mode, u32 tile_flags, struct sg_table *sg, 86 struct dma_resv *robj, 87 struct nouveau_bo **); 88int nouveau_bo_pin(struct nouveau_bo *, u32 flags, bool contig); 89int nouveau_bo_unpin(struct nouveau_bo *); 90int nouveau_bo_map(struct nouveau_bo *); 91void nouveau_bo_unmap(struct nouveau_bo *); 92void nouveau_bo_placement_set(struct nouveau_bo *, u32 type, u32 busy); 93void nouveau_bo_wr16(struct nouveau_bo *, unsigned index, u16 val); 94u32 nouveau_bo_rd32(struct nouveau_bo *, unsigned index); 95void nouveau_bo_wr32(struct nouveau_bo *, unsigned index, u32 val); 96vm_fault_t nouveau_ttm_fault_reserve_notify(struct ttm_buffer_object *bo); 97void nouveau_bo_fence(struct nouveau_bo *, struct nouveau_fence *, bool exclusive); 98int nouveau_bo_validate(struct nouveau_bo *, bool interruptible, 99 bool no_wait_gpu); 100void nouveau_bo_sync_for_device(struct nouveau_bo *nvbo); 101void nouveau_bo_sync_for_cpu(struct nouveau_bo *nvbo); 102void nouveau_bo_add_io_reserve_lru(struct ttm_buffer_object *bo); 103void nouveau_bo_del_io_reserve_lru(struct ttm_buffer_object *bo); 104 105/* TODO: submit equivalent to TTM generic API upstream? */ 106static inline void __iomem * 107nvbo_kmap_obj_iovirtual(struct nouveau_bo *nvbo) 108{ 109 bool is_iomem; 110 void __iomem *ioptr = (void __force __iomem *)ttm_kmap_obj_virtual( 111 &nvbo->kmap, &is_iomem); 112 WARN_ON_ONCE(ioptr && !is_iomem); 113 return ioptr; 114} 115 116static inline void 117nouveau_bo_unmap_unpin_unref(struct nouveau_bo **pnvbo) 118{ 119 if (*pnvbo) { 120 nouveau_bo_unmap(*pnvbo); 121 nouveau_bo_unpin(*pnvbo); 122 nouveau_bo_ref(NULL, pnvbo); 123 } 124} 125 126static inline int 127nouveau_bo_new_pin_map(struct nouveau_cli *cli, u64 size, int align, u32 domain, 128 struct nouveau_bo **pnvbo) 129{ 130 int ret = nouveau_bo_new(cli, size, align, domain, 131 0, 0, NULL, NULL, pnvbo); 132 if (ret == 0) { 133 ret = nouveau_bo_pin(*pnvbo, domain, true); 134 if (ret == 0) { 135 ret = nouveau_bo_map(*pnvbo); 136 if (ret == 0) 137 return ret; 138 nouveau_bo_unpin(*pnvbo); 139 } 140 nouveau_bo_ref(NULL, pnvbo); 141 } 142 return ret; 143} 144 145int nv04_bo_move_init(struct nouveau_channel *, u32); 146int nv04_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *, 147 struct ttm_resource *, struct ttm_resource *); 148 149int nv50_bo_move_init(struct nouveau_channel *, u32); 150int nv50_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *, 151 struct ttm_resource *, struct ttm_resource *); 152 153int nv84_bo_move_exec(struct nouveau_channel *, struct ttm_buffer_object *, 154 struct ttm_resource *, struct ttm_resource *); 155 156int nva3_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *, 157 struct ttm_resource *, struct ttm_resource *); 158 159int nvc0_bo_move_init(struct nouveau_channel *, u32); 160int nvc0_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *, 161 struct ttm_resource *, struct ttm_resource *); 162 163int nvc0_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *, 164 struct ttm_resource *, struct ttm_resource *); 165 166int nve0_bo_move_init(struct nouveau_channel *, u32); 167int nve0_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *, 168 struct ttm_resource *, struct ttm_resource *); 169 170#define NVBO_WR32_(b,o,dr,f) nouveau_bo_wr32((b), (o)/4 + (dr), (f)) 171#define NVBO_RD32_(b,o,dr) nouveau_bo_rd32((b), (o)/4 + (dr)) 172#define NVBO_RD32(A...) DRF_RD(NVBO_RD32_, ##A) 173#define NVBO_RV32(A...) DRF_RV(NVBO_RD32_, ##A) 174#define NVBO_TV32(A...) DRF_TV(NVBO_RD32_, ##A) 175#define NVBO_TD32(A...) DRF_TD(NVBO_RD32_, ##A) 176#define NVBO_WR32(A...) DRF_WR( NVBO_WR32_, ##A) 177#define NVBO_WV32(A...) DRF_WV( NVBO_WR32_, ##A) 178#define NVBO_WD32(A...) DRF_WD( NVBO_WR32_, ##A) 179#define NVBO_MR32(A...) DRF_MR(NVBO_RD32_, NVBO_WR32_, u32, ##A) 180#define NVBO_MV32(A...) DRF_MV(NVBO_RD32_, NVBO_WR32_, u32, ##A) 181#define NVBO_MD32(A...) DRF_MD(NVBO_RD32_, NVBO_WR32_, u32, ##A) 182#endif 183