aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/drivers/gpu/drm/nouveau/nouveau_bo.h
blob: 52489ce7d029c7124c885877e3958357394e4681 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
/* SPDX-License-Identifier: MIT */
#ifndef __NOUVEAU_BO_H__
#define __NOUVEAU_BO_H__
#include <drm/ttm/ttm_bo_driver.h>
#include <drm/drm_gem.h>

struct nouveau_channel;
struct nouveau_cli;
struct nouveau_drm;
struct nouveau_fence;

struct nouveau_bo {
	struct ttm_buffer_object bo;
	struct ttm_placement placement;
	u32 valid_domains;
	struct ttm_place placements[3];
	struct ttm_place busy_placements[3];
	bool force_coherent;
	struct ttm_bo_kmap_obj kmap;
	struct list_head head;

	/* protected by ttm_bo_reserve() */
	struct drm_file *reserved_by;
	struct list_head entry;
	int pbbo_index;
	bool validate_mapped;

	/* GPU address space is independent of CPU word size */
	uint64_t offset;

	struct list_head vma_list;

	unsigned contig:1;
	unsigned page:5;
	unsigned kind:8;
	unsigned comp:3;
	unsigned zeta:3;
	unsigned mode;

	struct nouveau_drm_tile *tile;

	/* protect by the ttm reservation lock */
	int pin_refcnt;

	struct ttm_bo_kmap_obj dma_buf_vmap;
};

static inline struct nouveau_bo *
nouveau_bo(struct ttm_buffer_object *bo)
{
	return container_of(bo, struct nouveau_bo, bo);
}

static inline int
nouveau_bo_ref(struct nouveau_bo *ref, struct nouveau_bo **pnvbo)
{
	struct nouveau_bo *prev;

	if (!pnvbo)
		return -EINVAL;
	prev = *pnvbo;

	if (ref) {
		ttm_bo_get(&ref->bo);
		*pnvbo = nouveau_bo(&ref->bo);
	} else {
		*pnvbo = NULL;
	}
	if (prev)
		ttm_bo_put(&prev->bo);

	return 0;
}

extern struct ttm_bo_driver nouveau_bo_driver;

void nouveau_bo_move_init(struct nouveau_drm *);
struct nouveau_bo *nouveau_bo_alloc(struct nouveau_cli *, u64 *size, int *align,
				    u32 flags, u32 tile_mode, u32 tile_flags);
int  nouveau_bo_init(struct nouveau_bo *, u64 size, int align, u32 flags,
		     struct sg_table *sg, struct dma_resv *robj);
int  nouveau_bo_new(struct nouveau_cli *, u64 size, int align, u32 flags,
		    u32 tile_mode, u32 tile_flags, struct sg_table *sg,
		    struct dma_resv *robj,
		    struct nouveau_bo **);
int  nouveau_bo_pin(struct nouveau_bo *, u32 flags, bool contig);
int  nouveau_bo_unpin(struct nouveau_bo *);
int  nouveau_bo_map(struct nouveau_bo *);
void nouveau_bo_unmap(struct nouveau_bo *);
void nouveau_bo_placement_set(struct nouveau_bo *, u32 type, u32 busy);
void nouveau_bo_wr16(struct nouveau_bo *, unsigned index, u16 val);
u32  nouveau_bo_rd32(struct nouveau_bo *, unsigned index);
void nouveau_bo_wr32(struct nouveau_bo *, unsigned index, u32 val);
void nouveau_bo_fence(struct nouveau_bo *, struct nouveau_fence *, bool exclusive);
int  nouveau_bo_validate(struct nouveau_bo *, bool interruptible,
			 bool no_wait_gpu);
void nouveau_bo_sync_for_device(struct nouveau_bo *nvbo);
void nouveau_bo_sync_for_cpu(struct nouveau_bo *nvbo);

/* TODO: submit equivalent to TTM generic API upstream? */
static inline void __iomem *
nvbo_kmap_obj_iovirtual(struct nouveau_bo *nvbo)
{
	bool is_iomem;
	void __iomem *ioptr = (void __force __iomem *)ttm_kmap_obj_virtual(
						&nvbo->kmap, &is_iomem);
	WARN_ON_ONCE(ioptr && !is_iomem);
	return ioptr;
}

static inline void
nouveau_bo_unmap_unpin_unref(struct nouveau_bo **pnvbo)
{
	if (*pnvbo) {
		nouveau_bo_unmap(*pnvbo);
		nouveau_bo_unpin(*pnvbo);
		nouveau_bo_ref(NULL, pnvbo);
	}
}

static inline int
nouveau_bo_new_pin_map(struct nouveau_cli *cli, u64 size, int align, u32 flags,
		       struct nouveau_bo **pnvbo)
{
	int ret = nouveau_bo_new(cli, size, align, flags,
				 0, 0, NULL, NULL, pnvbo);
	if (ret == 0) {
		ret = nouveau_bo_pin(*pnvbo, flags, true);
		if (ret == 0) {
			ret = nouveau_bo_map(*pnvbo);
			if (ret == 0)
				return ret;
			nouveau_bo_unpin(*pnvbo);
		}
		nouveau_bo_ref(NULL, pnvbo);
	}
	return ret;
}

int nv04_bo_move_init(struct nouveau_channel *, u32);
int nv04_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *,
		      struct ttm_mem_reg *, struct ttm_mem_reg *);

int nv50_bo_move_init(struct nouveau_channel *, u32);
int nv50_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *,
		      struct ttm_mem_reg *, struct ttm_mem_reg *);

int nv84_bo_move_exec(struct nouveau_channel *, struct ttm_buffer_object *,
		      struct ttm_mem_reg *, struct ttm_mem_reg *);

int nva3_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *,
		      struct ttm_mem_reg *, struct ttm_mem_reg *);

int nvc0_bo_move_init(struct nouveau_channel *, u32);
int nvc0_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *,
		      struct ttm_mem_reg *, struct ttm_mem_reg *);

int nvc0_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *,
		      struct ttm_mem_reg *, struct ttm_mem_reg *);

int nve0_bo_move_init(struct nouveau_channel *, u32);
int nve0_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *,
		      struct ttm_mem_reg *, struct ttm_mem_reg *);

#define NVBO_WR32_(b,o,dr,f) nouveau_bo_wr32((b), (o)/4 + (dr), (f))
#define NVBO_RD32_(b,o,dr)   nouveau_bo_rd32((b), (o)/4 + (dr))
#define NVBO_RD32(A...) DRF_RD(NVBO_RD32_,                  ##A)
#define NVBO_RV32(A...) DRF_RV(NVBO_RD32_,                  ##A)
#define NVBO_TV32(A...) DRF_TV(NVBO_RD32_,                  ##A)
#define NVBO_TD32(A...) DRF_TD(NVBO_RD32_,                  ##A)
#define NVBO_WR32(A...) DRF_WR(            NVBO_WR32_,      ##A)
#define NVBO_WV32(A...) DRF_WV(            NVBO_WR32_,      ##A)
#define NVBO_WD32(A...) DRF_WD(            NVBO_WR32_,      ##A)
#define NVBO_MR32(A...) DRF_MR(NVBO_RD32_, NVBO_WR32_, u32, ##A)
#define NVBO_MV32(A...) DRF_MV(NVBO_RD32_, NVBO_WR32_, u32, ##A)
#define NVBO_MD32(A...) DRF_MD(NVBO_RD32_, NVBO_WR32_, u32, ##A)
#endif