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1#ifndef __NOUVEAU_BO_H__
2#define __NOUVEAU_BO_H__
3
4#include <drm/drm_gem.h>
5
6struct nouveau_channel;
7struct nouveau_fence;
8struct nvkm_vma;
9
10struct nouveau_bo {
11 struct ttm_buffer_object bo;
12 struct ttm_placement placement;
13 u32 valid_domains;
14 struct ttm_place placements[3];
15 struct ttm_place busy_placements[3];
16 bool force_coherent;
17 struct ttm_bo_kmap_obj kmap;
18 struct list_head head;
19
20 /* protected by ttm_bo_reserve() */
21 struct drm_file *reserved_by;
22 struct list_head entry;
23 int pbbo_index;
24 bool validate_mapped;
25
26 struct list_head vma_list;
27 unsigned page_shift;
28
29 u32 tile_mode;
30 u32 tile_flags;
31 struct nouveau_drm_tile *tile;
32
33 /* Only valid if allocated via nouveau_gem_new() and iff you hold a
34 * gem reference to it! For debugging, use gem.filp != NULL to test
35 * whether it is valid. */
36 struct drm_gem_object gem;
37
38 /* protect by the ttm reservation lock */
39 int pin_refcnt;
40
41 struct ttm_bo_kmap_obj dma_buf_vmap;
42};
43
44static inline struct nouveau_bo *
45nouveau_bo(struct ttm_buffer_object *bo)
46{
47 return container_of(bo, struct nouveau_bo, bo);
48}
49
50static inline int
51nouveau_bo_ref(struct nouveau_bo *ref, struct nouveau_bo **pnvbo)
52{
53 struct nouveau_bo *prev;
54
55 if (!pnvbo)
56 return -EINVAL;
57 prev = *pnvbo;
58
59 *pnvbo = ref ? nouveau_bo(ttm_bo_reference(&ref->bo)) : NULL;
60 if (prev) {
61 struct ttm_buffer_object *bo = &prev->bo;
62
63 ttm_bo_unref(&bo);
64 }
65
66 return 0;
67}
68
69extern struct ttm_bo_driver nouveau_bo_driver;
70
71void nouveau_bo_move_init(struct nouveau_drm *);
72int nouveau_bo_new(struct drm_device *, int size, int align, u32 flags,
73 u32 tile_mode, u32 tile_flags, struct sg_table *sg,
74 struct reservation_object *robj,
75 struct nouveau_bo **);
76int nouveau_bo_pin(struct nouveau_bo *, u32 flags, bool contig);
77int nouveau_bo_unpin(struct nouveau_bo *);
78int nouveau_bo_map(struct nouveau_bo *);
79void nouveau_bo_unmap(struct nouveau_bo *);
80void nouveau_bo_placement_set(struct nouveau_bo *, u32 type, u32 busy);
81void nouveau_bo_wr16(struct nouveau_bo *, unsigned index, u16 val);
82u32 nouveau_bo_rd32(struct nouveau_bo *, unsigned index);
83void nouveau_bo_wr32(struct nouveau_bo *, unsigned index, u32 val);
84void nouveau_bo_fence(struct nouveau_bo *, struct nouveau_fence *, bool exclusive);
85int nouveau_bo_validate(struct nouveau_bo *, bool interruptible,
86 bool no_wait_gpu);
87void nouveau_bo_sync_for_device(struct nouveau_bo *nvbo);
88void nouveau_bo_sync_for_cpu(struct nouveau_bo *nvbo);
89
90struct nvkm_vma *
91nouveau_bo_vma_find(struct nouveau_bo *, struct nvkm_vm *);
92
93int nouveau_bo_vma_add(struct nouveau_bo *, struct nvkm_vm *,
94 struct nvkm_vma *);
95void nouveau_bo_vma_del(struct nouveau_bo *, struct nvkm_vma *);
96
97/* TODO: submit equivalent to TTM generic API upstream? */
98static inline void __iomem *
99nvbo_kmap_obj_iovirtual(struct nouveau_bo *nvbo)
100{
101 bool is_iomem;
102 void __iomem *ioptr = (void __force __iomem *)ttm_kmap_obj_virtual(
103 &nvbo->kmap, &is_iomem);
104 WARN_ON_ONCE(ioptr && !is_iomem);
105 return ioptr;
106}
107
108#endif
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 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 /* 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
51static inline struct nouveau_bo *
52nouveau_bo(struct ttm_buffer_object *bo)
53{
54 return container_of(bo, struct nouveau_bo, bo);
55}
56
57static inline int
58nouveau_bo_ref(struct nouveau_bo *ref, struct nouveau_bo **pnvbo)
59{
60 struct nouveau_bo *prev;
61
62 if (!pnvbo)
63 return -EINVAL;
64 prev = *pnvbo;
65
66 if (ref) {
67 ttm_bo_get(&ref->bo);
68 *pnvbo = nouveau_bo(&ref->bo);
69 } else {
70 *pnvbo = NULL;
71 }
72 if (prev)
73 ttm_bo_put(&prev->bo);
74
75 return 0;
76}
77
78extern struct ttm_device_funcs nouveau_bo_driver;
79
80void nouveau_bo_move_init(struct nouveau_drm *);
81struct nouveau_bo *nouveau_bo_alloc(struct nouveau_cli *, u64 *size, int *align,
82 u32 domain, u32 tile_mode, u32 tile_flags, bool internal);
83int nouveau_bo_init(struct nouveau_bo *, u64 size, int align, u32 domain,
84 struct sg_table *sg, struct dma_resv *robj);
85int nouveau_bo_new(struct nouveau_cli *, u64 size, int align, u32 domain,
86 u32 tile_mode, u32 tile_flags, struct sg_table *sg,
87 struct dma_resv *robj,
88 struct nouveau_bo **);
89int nouveau_bo_pin(struct nouveau_bo *, u32 flags, bool contig);
90int nouveau_bo_unpin(struct nouveau_bo *);
91int nouveau_bo_map(struct nouveau_bo *);
92void nouveau_bo_unmap(struct nouveau_bo *);
93void nouveau_bo_placement_set(struct nouveau_bo *, u32 type, u32 busy);
94void nouveau_bo_wr16(struct nouveau_bo *, unsigned index, u16 val);
95u32 nouveau_bo_rd32(struct nouveau_bo *, unsigned index);
96void nouveau_bo_wr32(struct nouveau_bo *, unsigned index, u32 val);
97vm_fault_t nouveau_ttm_fault_reserve_notify(struct ttm_buffer_object *bo);
98void nouveau_bo_fence(struct nouveau_bo *, struct nouveau_fence *, bool exclusive);
99int nouveau_bo_validate(struct nouveau_bo *, bool interruptible,
100 bool no_wait_gpu);
101void nouveau_bo_sync_for_device(struct nouveau_bo *nvbo);
102void nouveau_bo_sync_for_cpu(struct nouveau_bo *nvbo);
103void nouveau_bo_add_io_reserve_lru(struct ttm_buffer_object *bo);
104void nouveau_bo_del_io_reserve_lru(struct ttm_buffer_object *bo);
105
106/* TODO: submit equivalent to TTM generic API upstream? */
107static inline void __iomem *
108nvbo_kmap_obj_iovirtual(struct nouveau_bo *nvbo)
109{
110 bool is_iomem;
111 void __iomem *ioptr = (void __force __iomem *)ttm_kmap_obj_virtual(
112 &nvbo->kmap, &is_iomem);
113 WARN_ON_ONCE(ioptr && !is_iomem);
114 return ioptr;
115}
116
117static inline void
118nouveau_bo_unmap_unpin_unref(struct nouveau_bo **pnvbo)
119{
120 if (*pnvbo) {
121 nouveau_bo_unmap(*pnvbo);
122 nouveau_bo_unpin(*pnvbo);
123 nouveau_bo_ref(NULL, pnvbo);
124 }
125}
126
127static inline int
128nouveau_bo_new_pin_map(struct nouveau_cli *cli, u64 size, int align, u32 domain,
129 struct nouveau_bo **pnvbo)
130{
131 int ret = nouveau_bo_new(cli, size, align, domain,
132 0, 0, NULL, NULL, pnvbo);
133 if (ret == 0) {
134 ret = nouveau_bo_pin(*pnvbo, domain, true);
135 if (ret == 0) {
136 ret = nouveau_bo_map(*pnvbo);
137 if (ret == 0)
138 return ret;
139 nouveau_bo_unpin(*pnvbo);
140 }
141 nouveau_bo_ref(NULL, pnvbo);
142 }
143 return ret;
144}
145
146int nv04_bo_move_init(struct nouveau_channel *, u32);
147int nv04_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *,
148 struct ttm_resource *, struct ttm_resource *);
149
150int nv50_bo_move_init(struct nouveau_channel *, u32);
151int nv50_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *,
152 struct ttm_resource *, struct ttm_resource *);
153
154int nv84_bo_move_exec(struct nouveau_channel *, struct ttm_buffer_object *,
155 struct ttm_resource *, struct ttm_resource *);
156
157int nva3_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *,
158 struct ttm_resource *, struct ttm_resource *);
159
160int nvc0_bo_move_init(struct nouveau_channel *, u32);
161int nvc0_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *,
162 struct ttm_resource *, struct ttm_resource *);
163
164int nvc0_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *,
165 struct ttm_resource *, struct ttm_resource *);
166
167int nve0_bo_move_init(struct nouveau_channel *, u32);
168int nve0_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *,
169 struct ttm_resource *, struct ttm_resource *);
170
171#define NVBO_WR32_(b,o,dr,f) nouveau_bo_wr32((b), (o)/4 + (dr), (f))
172#define NVBO_RD32_(b,o,dr) nouveau_bo_rd32((b), (o)/4 + (dr))
173#define NVBO_RD32(A...) DRF_RD(NVBO_RD32_, ##A)
174#define NVBO_RV32(A...) DRF_RV(NVBO_RD32_, ##A)
175#define NVBO_TV32(A...) DRF_TV(NVBO_RD32_, ##A)
176#define NVBO_TD32(A...) DRF_TD(NVBO_RD32_, ##A)
177#define NVBO_WR32(A...) DRF_WR( NVBO_WR32_, ##A)
178#define NVBO_WV32(A...) DRF_WV( NVBO_WR32_, ##A)
179#define NVBO_WD32(A...) DRF_WD( NVBO_WR32_, ##A)
180#define NVBO_MR32(A...) DRF_MR(NVBO_RD32_, NVBO_WR32_, u32, ##A)
181#define NVBO_MV32(A...) DRF_MV(NVBO_RD32_, NVBO_WR32_, u32, ##A)
182#define NVBO_MD32(A...) DRF_MD(NVBO_RD32_, NVBO_WR32_, u32, ##A)
183#endif