Commit | Line | Data |
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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
1da177e4 LT |
2 | #ifndef _LINUX_CDEV_H |
3 | #define _LINUX_CDEV_H | |
1da177e4 | 4 | |
5ec68b2e JE |
5 | #include <linux/kobject.h> |
6 | #include <linux/kdev_t.h> | |
7 | #include <linux/list.h> | |
233ed09d | 8 | #include <linux/device.h> |
5ec68b2e | 9 | |
3d8b3036 JE |
10 | struct file_operations; |
11 | struct inode; | |
12 | struct module; | |
13 | ||
1da177e4 LT |
14 | struct cdev { |
15 | struct kobject kobj; | |
16 | struct module *owner; | |
99ac48f5 | 17 | const struct file_operations *ops; |
1da177e4 LT |
18 | struct list_head list; |
19 | dev_t dev; | |
20 | unsigned int count; | |
3859a271 | 21 | } __randomize_layout; |
1da177e4 | 22 | |
99ac48f5 | 23 | void cdev_init(struct cdev *, const struct file_operations *); |
1da177e4 LT |
24 | |
25 | struct cdev *cdev_alloc(void); | |
26 | ||
27 | void cdev_put(struct cdev *p); | |
28 | ||
29 | int cdev_add(struct cdev *, dev_t, unsigned); | |
30 | ||
233ed09d LG |
31 | void cdev_set_parent(struct cdev *p, struct kobject *kobj); |
32 | int cdev_device_add(struct cdev *cdev, struct device *dev); | |
33 | void cdev_device_del(struct cdev *cdev, struct device *dev); | |
34 | ||
1da177e4 LT |
35 | void cdev_del(struct cdev *); |
36 | ||
37 | void cd_forget(struct inode *); | |
38 | ||
39 | #endif |