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 *
nouveau_bo(struct ttm_buffer_object * 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
nouveau_bo_fini(struct nouveau_bo * bo)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 *
nvbo_kmap_obj_iovirtual(struct nouveau_bo * nvbo)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