blob: 40de16d0a2274b57bf6c0aac4d031230aea95eb4 (
plain)
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
|
/*
* kobject.h - generic kernel object infrastructure.
*
*/
#ifndef _KOBJECT_H_
#define _KOBJECT_H_
#include <linux/types.h>
#include <linux/list.h>
#include <linux/sysfs.h>
#include <linux/rwsem.h>
#include <asm/atomic.h>
#define KOBJ_NAME_LEN 16
struct kobject {
char name[KOBJ_NAME_LEN];
atomic_t refcount;
struct list_head entry;
struct kobject * parent;
struct subsystem * subsys;
struct dentry * dentry;
};
extern void kobject_init(struct kobject *);
extern int kobject_register(struct kobject *);
extern void kobject_unregister(struct kobject *);
extern struct kobject * kobject_get(struct kobject *);
extern void kobject_put(struct kobject *);
struct subsystem {
struct kobject kobj;
struct list_head list;
struct rw_semaphore rwsem;
struct subsystem * parent;
void (*release)(struct kobject *);
struct sysfs_ops * sysfs_ops;
struct attribute ** default_attrs;
};
extern void subsystem_init(struct subsystem *);
extern int subsystem_register(struct subsystem *);
extern void subsystem_unregister(struct subsystem *);
static inline struct subsystem * subsys_get(struct subsystem * s)
{
return container_of(kobject_get(&s->kobj),struct subsystem,kobj);
}
static inline void subsys_put(struct subsystem * s)
{
kobject_put(&s->kobj);
}
#endif /* _KOBJECT_H_ */
|
