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
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
|
#ifndef __NVKM_OBJECT_H__
#define __NVKM_OBJECT_H__
#include <core/os.h>
#include <core/printk.h>
#define NV_PARENT_CLASS 0x80000000
#define NV_NAMEDB_CLASS 0x40000000
#define NV_CLIENT_CLASS 0x20000000
#define NV_SUBDEV_CLASS 0x10000000
#define NV_ENGINE_CLASS 0x08000000
#define NV_MEMOBJ_CLASS 0x04000000
#define NV_GPUOBJ_CLASS 0x02000000
#define NV_ENGCTX_CLASS 0x01000000
#define NV_OBJECT_CLASS 0x0000ffff
struct nvkm_object {
struct nvkm_oclass *oclass;
struct nvkm_object *parent;
struct nvkm_engine *engine;
atomic_t refcount;
atomic_t usecount;
#if CONFIG_NOUVEAU_DEBUG >= NV_DBG_PARANOIA
#define NVKM_OBJECT_MAGIC 0x75ef0bad
struct list_head list;
u32 _magic;
#endif
};
static inline struct nvkm_object *
nv_object(void *obj)
{
#if CONFIG_NOUVEAU_DEBUG >= NV_DBG_PARANOIA
if (likely(obj)) {
struct nvkm_object *object = obj;
if (unlikely(object->_magic != NVKM_OBJECT_MAGIC))
nv_assert("BAD CAST -> NvObject, invalid magic");
}
#endif
return obj;
}
#define nvkm_object_create(p,e,c,s,d) \
nvkm_object_create_((p), (e), (c), (s), sizeof(**d), (void **)d)
int nvkm_object_create_(struct nvkm_object *, struct nvkm_object *,
struct nvkm_oclass *, u32, int size, void **);
void nvkm_object_destroy(struct nvkm_object *);
int nvkm_object_init(struct nvkm_object *);
int nvkm_object_fini(struct nvkm_object *, bool suspend);
int _nvkm_object_ctor(struct nvkm_object *, struct nvkm_object *,
struct nvkm_oclass *, void *, u32,
struct nvkm_object **);
extern struct nvkm_ofuncs nvkm_object_ofuncs;
/* Don't allocate dynamically, because lockdep needs lock_class_keys to be in
* ".data". */
struct nvkm_oclass {
u32 handle;
struct nvkm_ofuncs * const ofuncs;
struct nvkm_omthds * const omthds;
struct lock_class_key lock_class_key;
};
#define nv_oclass(o) nv_object(o)->oclass
#define nv_hclass(o) nv_oclass(o)->handle
#define nv_iclass(o,i) (nv_hclass(o) & (i))
#define nv_mclass(o) nv_iclass(o, NV_OBJECT_CLASS)
static inline struct nvkm_object *
nv_pclass(struct nvkm_object *parent, u32 oclass)
{
while (parent && !nv_iclass(parent, oclass))
parent = parent->parent;
return parent;
}
struct nvkm_omthds {
u32 start;
u32 limit;
int (*call)(struct nvkm_object *, u32, void *, u32);
};
struct nvkm_event;
struct nvkm_ofuncs {
int (*ctor)(struct nvkm_object *, struct nvkm_object *,
struct nvkm_oclass *, void *data, u32 size,
struct nvkm_object **);
void (*dtor)(struct nvkm_object *);
int (*init)(struct nvkm_object *);
int (*fini)(struct nvkm_object *, bool suspend);
int (*mthd)(struct nvkm_object *, u32, void *, u32);
int (*ntfy)(struct nvkm_object *, u32, struct nvkm_event **);
int (* map)(struct nvkm_object *, u64 *, u32 *);
u8 (*rd08)(struct nvkm_object *, u64 offset);
u16 (*rd16)(struct nvkm_object *, u64 offset);
u32 (*rd32)(struct nvkm_object *, u64 offset);
void (*wr08)(struct nvkm_object *, u64 offset, u8 data);
void (*wr16)(struct nvkm_object *, u64 offset, u16 data);
void (*wr32)(struct nvkm_object *, u64 offset, u32 data);
};
static inline struct nvkm_ofuncs *
nv_ofuncs(void *obj)
{
return nv_oclass(obj)->ofuncs;
}
int nvkm_object_ctor(struct nvkm_object *, struct nvkm_object *,
struct nvkm_oclass *, void *, u32,
struct nvkm_object **);
void nvkm_object_ref(struct nvkm_object *, struct nvkm_object **);
int nvkm_object_inc(struct nvkm_object *);
int nvkm_object_dec(struct nvkm_object *, bool suspend);
void nvkm_object_debug(void);
static inline int
nv_exec(void *obj, u32 mthd, void *data, u32 size)
{
struct nvkm_omthds *method = nv_oclass(obj)->omthds;
while (method && method->call) {
if (mthd >= method->start && mthd <= method->limit)
return method->call(obj, mthd, data, size);
method++;
}
return -EINVAL;
}
static inline int
nv_call(void *obj, u32 mthd, u32 data)
{
return nv_exec(obj, mthd, &data, sizeof(data));
}
static inline u8
nv_ro08(void *obj, u64 addr)
{
u8 data = nv_ofuncs(obj)->rd08(obj, addr);
nv_spam(obj, "nv_ro08 0x%08llx 0x%02x\n", addr, data);
return data;
}
static inline u16
nv_ro16(void *obj, u64 addr)
{
u16 data = nv_ofuncs(obj)->rd16(obj, addr);
nv_spam(obj, "nv_ro16 0x%08llx 0x%04x\n", addr, data);
return data;
}
static inline u32
nv_ro32(void *obj, u64 addr)
{
u32 data = nv_ofuncs(obj)->rd32(obj, addr);
nv_spam(obj, "nv_ro32 0x%08llx 0x%08x\n", addr, data);
return data;
}
static inline void
nv_wo08(void *obj, u64 addr, u8 data)
{
nv_spam(obj, "nv_wo08 0x%08llx 0x%02x\n", addr, data);
nv_ofuncs(obj)->wr08(obj, addr, data);
}
static inline void
nv_wo16(void *obj, u64 addr, u16 data)
{
nv_spam(obj, "nv_wo16 0x%08llx 0x%04x\n", addr, data);
nv_ofuncs(obj)->wr16(obj, addr, data);
}
static inline void
nv_wo32(void *obj, u64 addr, u32 data)
{
nv_spam(obj, "nv_wo32 0x%08llx 0x%08x\n", addr, data);
nv_ofuncs(obj)->wr32(obj, addr, data);
}
static inline u32
nv_mo32(void *obj, u64 addr, u32 mask, u32 data)
{
u32 temp = nv_ro32(obj, addr);
nv_wo32(obj, addr, (temp & ~mask) | data);
return temp;
}
static inline int
nv_memcmp(void *obj, u32 addr, const char *str, u32 len)
{
unsigned char c1, c2;
while (len--) {
c1 = nv_ro08(obj, addr++);
c2 = *(str++);
if (c1 != c2)
return c1 - c2;
}
return 0;
}
#endif
|
