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 /* protect by the ttm reservation lock */
44 int pin_refcnt;
45
46 struct ttm_bo_kmap_obj dma_buf_vmap;
47 };
48
49 static inline struct nouveau_bo *
nouveau_bo(struct ttm_buffer_object * bo)50 nouveau_bo(struct ttm_buffer_object *bo)
51 {
52 return container_of(bo, struct nouveau_bo, bo);
53 }
54
55 static inline int
nouveau_bo_ref(struct nouveau_bo * ref,struct nouveau_bo ** pnvbo)56 nouveau_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
76 extern struct ttm_bo_driver nouveau_bo_driver;
77
78 void nouveau_bo_move_init(struct nouveau_drm *);
79 struct nouveau_bo *nouveau_bo_alloc(struct nouveau_cli *, u64 *size, int *align,
80 u32 domain, u32 tile_mode, u32 tile_flags);
81 int nouveau_bo_init(struct nouveau_bo *, u64 size, int align, u32 domain,
82 struct sg_table *sg, struct dma_resv *robj);
83 int 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 **);
87 int nouveau_bo_pin(struct nouveau_bo *, u32 flags, bool contig);
88 int nouveau_bo_unpin(struct nouveau_bo *);
89 int nouveau_bo_map(struct nouveau_bo *);
90 void nouveau_bo_unmap(struct nouveau_bo *);
91 void nouveau_bo_placement_set(struct nouveau_bo *, u32 type, u32 busy);
92 void nouveau_bo_wr16(struct nouveau_bo *, unsigned index, u16 val);
93 u32 nouveau_bo_rd32(struct nouveau_bo *, unsigned index);
94 void nouveau_bo_wr32(struct nouveau_bo *, unsigned index, u32 val);
95 void nouveau_bo_fence(struct nouveau_bo *, struct nouveau_fence *, bool exclusive);
96 int nouveau_bo_validate(struct nouveau_bo *, bool interruptible,
97 bool no_wait_gpu);
98 void nouveau_bo_sync_for_device(struct nouveau_bo *nvbo);
99 void nouveau_bo_sync_for_cpu(struct nouveau_bo *nvbo);
100 void nouveau_bo_add_io_reserve_lru(struct ttm_buffer_object *bo);
101 void nouveau_bo_del_io_reserve_lru(struct ttm_buffer_object *bo);
102
103 /* TODO: submit equivalent to TTM generic API upstream? */
104 static inline void __iomem *
nvbo_kmap_obj_iovirtual(struct nouveau_bo * nvbo)105 nvbo_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
114 static inline void
nouveau_bo_unmap_unpin_unref(struct nouveau_bo ** pnvbo)115 nouveau_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
124 static inline int
nouveau_bo_new_pin_map(struct nouveau_cli * cli,u64 size,int align,u32 domain,struct nouveau_bo ** pnvbo)125 nouveau_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
143 int nv04_bo_move_init(struct nouveau_channel *, u32);
144 int nv04_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *,
145 struct ttm_resource *, struct ttm_resource *);
146
147 int nv50_bo_move_init(struct nouveau_channel *, u32);
148 int nv50_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *,
149 struct ttm_resource *, struct ttm_resource *);
150
151 int nv84_bo_move_exec(struct nouveau_channel *, struct ttm_buffer_object *,
152 struct ttm_resource *, struct ttm_resource *);
153
154 int nva3_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *,
155 struct ttm_resource *, struct ttm_resource *);
156
157 int nvc0_bo_move_init(struct nouveau_channel *, u32);
158 int nvc0_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *,
159 struct ttm_resource *, struct ttm_resource *);
160
161 int nvc0_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *,
162 struct ttm_resource *, struct ttm_resource *);
163
164 int nve0_bo_move_init(struct nouveau_channel *, u32);
165 int 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
