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 struct nouveau_vma;
13
14 struct nouveau_bo {
15 struct ttm_buffer_object bo;
16 struct ttm_placement placement;
17 u32 valid_domains;
18 struct ttm_place 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
30 /* Root GEM object we derive the dma_resv of in case this BO is not
31 * shared between VMs.
32 */
33 struct drm_gem_object *r_obj;
34 bool no_share;
35
36 /* GPU address space is independent of CPU word size */
37 uint64_t offset;
38
39 struct list_head vma_list;
40
41 unsigned contig:1;
42 unsigned page:5;
43 unsigned kind:8;
44 unsigned comp:3;
45 unsigned zeta:3;
46 unsigned mode;
47
48 struct nouveau_drm_tile *tile;
49 };
50
51 static inline struct nouveau_bo *
nouveau_bo(struct ttm_buffer_object * bo)52 nouveau_bo(struct ttm_buffer_object *bo)
53 {
54 return container_of(bo, struct nouveau_bo, bo);
55 }
56
57 static inline void
nouveau_bo_fini(struct nouveau_bo * bo)58 nouveau_bo_fini(struct nouveau_bo *bo)
59 {
60 ttm_bo_put(&bo->bo);
61 }
62
63 extern struct ttm_device_funcs nouveau_bo_driver;
64
65 void nouveau_bo_move_init(struct nouveau_drm *);
66 struct nouveau_bo *nouveau_bo_alloc(struct nouveau_cli *, u64 *size, int *align,
67 u32 domain, u32 tile_mode, u32 tile_flags, bool internal);
68 int nouveau_bo_init(struct nouveau_bo *, u64 size, int align, u32 domain,
69 struct sg_table *sg, struct dma_resv *robj);
70 int nouveau_bo_new(struct nouveau_cli *, u64 size, int align, u32 domain,
71 u32 tile_mode, u32 tile_flags, struct sg_table *sg,
72 struct dma_resv *robj,
73 struct nouveau_bo **);
74 int nouveau_bo_pin_locked(struct nouveau_bo *nvbo, uint32_t domain, bool contig);
75 void nouveau_bo_unpin_locked(struct nouveau_bo *nvbo);
76 int nouveau_bo_pin(struct nouveau_bo *, u32 flags, bool contig);
77 int nouveau_bo_unpin(struct nouveau_bo *);
78 int nouveau_bo_map(struct nouveau_bo *);
79 void nouveau_bo_unmap(struct nouveau_bo *);
80 void nouveau_bo_placement_set(struct nouveau_bo *, u32 type, u32 busy);
81 void nouveau_bo_wr16(struct nouveau_bo *, unsigned index, u16 val);
82 u32 nouveau_bo_rd32(struct nouveau_bo *, unsigned index);
83 void nouveau_bo_wr32(struct nouveau_bo *, unsigned index, u32 val);
84 vm_fault_t nouveau_ttm_fault_reserve_notify(struct ttm_buffer_object *bo);
85 void nouveau_bo_fence(struct nouveau_bo *, struct nouveau_fence *, bool exclusive);
86 int nouveau_bo_validate(struct nouveau_bo *, bool interruptible,
87 bool no_wait_gpu);
88 void nouveau_bo_sync_for_device(struct nouveau_bo *nvbo);
89 void nouveau_bo_sync_for_cpu(struct nouveau_bo *nvbo);
90 void nouveau_bo_add_io_reserve_lru(struct ttm_buffer_object *bo);
91 void nouveau_bo_del_io_reserve_lru(struct ttm_buffer_object *bo);
92
93 int nouveau_bo_new_pin(struct nouveau_cli *, u32 domain, u32 size, struct nouveau_bo **);
94 int nouveau_bo_new_map(struct nouveau_cli *, u32 domain, u32 size, struct nouveau_bo **);
95 int nouveau_bo_new_map_gpu(struct nouveau_cli *, u32 domain, u32 size,
96 struct nouveau_bo **, struct nouveau_vma **);
97 void nouveau_bo_unpin_del(struct nouveau_bo **);
98
99 /* TODO: submit equivalent to TTM generic API upstream? */
100 static inline void __iomem *
nvbo_kmap_obj_iovirtual(struct nouveau_bo * nvbo)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 int nv04_bo_move_init(struct nouveau_channel *, u32);
111 int nv04_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *,
112 struct ttm_resource *, struct ttm_resource *);
113
114 int nv50_bo_move_init(struct nouveau_channel *, u32);
115 int nv50_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *,
116 struct ttm_resource *, struct ttm_resource *);
117
118 int nv84_bo_move_exec(struct nouveau_channel *, struct ttm_buffer_object *,
119 struct ttm_resource *, struct ttm_resource *);
120
121 int nva3_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *,
122 struct ttm_resource *, struct ttm_resource *);
123
124 int nvc0_bo_move_init(struct nouveau_channel *, u32);
125 int nvc0_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *,
126 struct ttm_resource *, struct ttm_resource *);
127
128 int nvc0_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *,
129 struct ttm_resource *, struct ttm_resource *);
130
131 int nve0_bo_move_init(struct nouveau_channel *, u32);
132 int nve0_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *,
133 struct ttm_resource *, struct ttm_resource *);
134
135 #define NVBO_WR32_(b,o,dr,f) nouveau_bo_wr32((b), (o)/4 + (dr), (f))
136 #define NVBO_RD32_(b,o,dr) nouveau_bo_rd32((b), (o)/4 + (dr))
137 #define NVBO_RD32(A...) DRF_RD(NVBO_RD32_, ##A)
138 #define NVBO_RV32(A...) DRF_RV(NVBO_RD32_, ##A)
139 #define NVBO_TV32(A...) DRF_TV(NVBO_RD32_, ##A)
140 #define NVBO_TD32(A...) DRF_TD(NVBO_RD32_, ##A)
141 #define NVBO_WR32(A...) DRF_WR( NVBO_WR32_, ##A)
142 #define NVBO_WV32(A...) DRF_WV( NVBO_WR32_, ##A)
143 #define NVBO_WD32(A...) DRF_WD( NVBO_WR32_, ##A)
144 #define NVBO_MR32(A...) DRF_MR(NVBO_RD32_, NVBO_WR32_, u32, ##A)
145 #define NVBO_MV32(A...) DRF_MV(NVBO_RD32_, NVBO_WR32_, u32, ##A)
146 #define NVBO_MD32(A...) DRF_MD(NVBO_RD32_, NVBO_WR32_, u32, ##A)
147 #endif
148