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 struct ttm_place busy_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 /* GPU address space is independent of CPU word size */
31 uint64_t offset;
32
33 struct list_head vma_list;
34
35 unsigned contig:1;
36 unsigned page:5;
37 unsigned kind:8;
38 unsigned comp:3;
39 unsigned zeta:3;
40 unsigned mode;
41
42 struct nouveau_drm_tile *tile;
43 };
44
45 static inline struct nouveau_bo *
nouveau_bo(struct ttm_buffer_object * bo)46 nouveau_bo(struct ttm_buffer_object *bo)
47 {
48 return container_of(bo, struct nouveau_bo, bo);
49 }
50
51 static inline int
nouveau_bo_ref(struct nouveau_bo * ref,struct nouveau_bo ** pnvbo)52 nouveau_bo_ref(struct nouveau_bo *ref, struct nouveau_bo **pnvbo)
53 {
54 struct nouveau_bo *prev;
55
56 if (!pnvbo)
57 return -EINVAL;
58 prev = *pnvbo;
59
60 if (ref) {
61 ttm_bo_get(&ref->bo);
62 *pnvbo = nouveau_bo(&ref->bo);
63 } else {
64 *pnvbo = NULL;
65 }
66 if (prev)
67 ttm_bo_put(&prev->bo);
68
69 return 0;
70 }
71
72 extern struct ttm_device_funcs nouveau_bo_driver;
73
74 void nouveau_bo_move_init(struct nouveau_drm *);
75 struct nouveau_bo *nouveau_bo_alloc(struct nouveau_cli *, u64 *size, int *align,
76 u32 domain, u32 tile_mode, u32 tile_flags);
77 int nouveau_bo_init(struct nouveau_bo *, u64 size, int align, u32 domain,
78 struct sg_table *sg, struct dma_resv *robj);
79 int nouveau_bo_new(struct nouveau_cli *, u64 size, int align, u32 domain,
80 u32 tile_mode, u32 tile_flags, struct sg_table *sg,
81 struct dma_resv *robj,
82 struct nouveau_bo **);
83 int nouveau_bo_pin(struct nouveau_bo *, u32 flags, bool contig);
84 int nouveau_bo_unpin(struct nouveau_bo *);
85 int nouveau_bo_map(struct nouveau_bo *);
86 void nouveau_bo_unmap(struct nouveau_bo *);
87 void nouveau_bo_placement_set(struct nouveau_bo *, u32 type, u32 busy);
88 void nouveau_bo_wr16(struct nouveau_bo *, unsigned index, u16 val);
89 u32 nouveau_bo_rd32(struct nouveau_bo *, unsigned index);
90 void nouveau_bo_wr32(struct nouveau_bo *, unsigned index, u32 val);
91 vm_fault_t nouveau_ttm_fault_reserve_notify(struct ttm_buffer_object *bo);
92 void nouveau_bo_fence(struct nouveau_bo *, struct nouveau_fence *, bool exclusive);
93 int nouveau_bo_validate(struct nouveau_bo *, bool interruptible,
94 bool no_wait_gpu);
95 void nouveau_bo_sync_for_device(struct nouveau_bo *nvbo);
96 void nouveau_bo_sync_for_cpu(struct nouveau_bo *nvbo);
97 void nouveau_bo_add_io_reserve_lru(struct ttm_buffer_object *bo);
98 void nouveau_bo_del_io_reserve_lru(struct ttm_buffer_object *bo);
99
100 /* TODO: submit equivalent to TTM generic API upstream? */
101 static inline void __iomem *
nvbo_kmap_obj_iovirtual(struct nouveau_bo * nvbo)102 nvbo_kmap_obj_iovirtual(struct nouveau_bo *nvbo)
103 {
104 bool is_iomem;
105 void __iomem *ioptr = (void __force __iomem *)ttm_kmap_obj_virtual(
106 &nvbo->kmap, &is_iomem);
107 WARN_ON_ONCE(ioptr && !is_iomem);
108 return ioptr;
109 }
110
111 static inline void
nouveau_bo_unmap_unpin_unref(struct nouveau_bo ** pnvbo)112 nouveau_bo_unmap_unpin_unref(struct nouveau_bo **pnvbo)
113 {
114 if (*pnvbo) {
115 nouveau_bo_unmap(*pnvbo);
116 nouveau_bo_unpin(*pnvbo);
117 nouveau_bo_ref(NULL, pnvbo);
118 }
119 }
120
121 static inline int
nouveau_bo_new_pin_map(struct nouveau_cli * cli,u64 size,int align,u32 domain,struct nouveau_bo ** pnvbo)122 nouveau_bo_new_pin_map(struct nouveau_cli *cli, u64 size, int align, u32 domain,
123 struct nouveau_bo **pnvbo)
124 {
125 int ret = nouveau_bo_new(cli, size, align, domain,
126 0, 0, NULL, NULL, pnvbo);
127 if (ret == 0) {
128 ret = nouveau_bo_pin(*pnvbo, domain, true);
129 if (ret == 0) {
130 ret = nouveau_bo_map(*pnvbo);
131 if (ret == 0)
132 return ret;
133 nouveau_bo_unpin(*pnvbo);
134 }
135 nouveau_bo_ref(NULL, pnvbo);
136 }
137 return ret;
138 }
139
140 int nv04_bo_move_init(struct nouveau_channel *, u32);
141 int nv04_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *,
142 struct ttm_resource *, struct ttm_resource *);
143
144 int nv50_bo_move_init(struct nouveau_channel *, u32);
145 int nv50_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *,
146 struct ttm_resource *, struct ttm_resource *);
147
148 int nv84_bo_move_exec(struct nouveau_channel *, struct ttm_buffer_object *,
149 struct ttm_resource *, struct ttm_resource *);
150
151 int nva3_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *,
152 struct ttm_resource *, struct ttm_resource *);
153
154 int nvc0_bo_move_init(struct nouveau_channel *, u32);
155 int nvc0_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *,
156 struct ttm_resource *, struct ttm_resource *);
157
158 int nvc0_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *,
159 struct ttm_resource *, struct ttm_resource *);
160
161 int nve0_bo_move_init(struct nouveau_channel *, u32);
162 int nve0_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *,
163 struct ttm_resource *, struct ttm_resource *);
164
165 #define NVBO_WR32_(b,o,dr,f) nouveau_bo_wr32((b), (o)/4 + (dr), (f))
166 #define NVBO_RD32_(b,o,dr) nouveau_bo_rd32((b), (o)/4 + (dr))
167 #define NVBO_RD32(A...) DRF_RD(NVBO_RD32_, ##A)
168 #define NVBO_RV32(A...) DRF_RV(NVBO_RD32_, ##A)
169 #define NVBO_TV32(A...) DRF_TV(NVBO_RD32_, ##A)
170 #define NVBO_TD32(A...) DRF_TD(NVBO_RD32_, ##A)
171 #define NVBO_WR32(A...) DRF_WR( NVBO_WR32_, ##A)
172 #define NVBO_WV32(A...) DRF_WV( NVBO_WR32_, ##A)
173 #define NVBO_WD32(A...) DRF_WD( NVBO_WR32_, ##A)
174 #define NVBO_MR32(A...) DRF_MR(NVBO_RD32_, NVBO_WR32_, u32, ##A)
175 #define NVBO_MV32(A...) DRF_MV(NVBO_RD32_, NVBO_WR32_, u32, ##A)
176 #define NVBO_MD32(A...) DRF_MD(NVBO_RD32_, NVBO_WR32_, u32, ##A)
177 #endif
178