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Commit | Line | Data |
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1da177e4 LT |
1 | #ifndef _LINUX_CDEV_H |
2 | #define _LINUX_CDEV_H | |
3 | #ifdef __KERNEL__ | |
4 | ||
5ec68b2e JE |
5 | #include <linux/kobject.h> |
6 | #include <linux/kdev_t.h> | |
7 | #include <linux/list.h> | |
8 | ||
3d8b3036 JE |
9 | struct file_operations; |
10 | struct inode; | |
11 | struct module; | |
12 | ||
1da177e4 LT |
13 | struct cdev { |
14 | struct kobject kobj; | |
15 | struct module *owner; | |
99ac48f5 | 16 | const struct file_operations *ops; |
1da177e4 LT |
17 | struct list_head list; |
18 | dev_t dev; | |
19 | unsigned int count; | |
20 | }; | |
21 | ||
99ac48f5 | 22 | void cdev_init(struct cdev *, const struct file_operations *); |
1da177e4 LT |
23 | |
24 | struct cdev *cdev_alloc(void); | |
25 | ||
26 | void cdev_put(struct cdev *p); | |
27 | ||
28 | int cdev_add(struct cdev *, dev_t, unsigned); | |
29 | ||
30 | void cdev_del(struct cdev *); | |
31 | ||
32 | void cd_forget(struct inode *); | |
33 | ||
5da6185b DH |
34 | extern struct backing_dev_info directly_mappable_cdev_bdi; |
35 | ||
1da177e4 LT |
36 | #endif |
37 | #endif |