1 /* SPDX-License-Identifier: GPL-2.0 */ <<
2 #ifndef _LINUX_CDEV_H 1 #ifndef _LINUX_CDEV_H
3 #define _LINUX_CDEV_H 2 #define _LINUX_CDEV_H
4 3
5 #include <linux/kobject.h> 4 #include <linux/kobject.h>
6 #include <linux/kdev_t.h> 5 #include <linux/kdev_t.h>
7 #include <linux/list.h> 6 #include <linux/list.h>
8 #include <linux/device.h> 7 #include <linux/device.h>
9 8
10 struct file_operations; 9 struct file_operations;
11 struct inode; 10 struct inode;
12 struct module; 11 struct module;
13 12
14 struct cdev { 13 struct cdev {
15 struct kobject kobj; 14 struct kobject kobj;
16 struct module *owner; 15 struct module *owner;
17 const struct file_operations *ops; 16 const struct file_operations *ops;
18 struct list_head list; 17 struct list_head list;
19 dev_t dev; 18 dev_t dev;
20 unsigned int count; 19 unsigned int count;
21 } __randomize_layout; !! 20 };
22 21
23 void cdev_init(struct cdev *, const struct fil 22 void cdev_init(struct cdev *, const struct file_operations *);
24 23
25 struct cdev *cdev_alloc(void); 24 struct cdev *cdev_alloc(void);
26 25
27 void cdev_put(struct cdev *p); 26 void cdev_put(struct cdev *p);
28 27
29 int cdev_add(struct cdev *, dev_t, unsigned); 28 int cdev_add(struct cdev *, dev_t, unsigned);
30 29
31 void cdev_set_parent(struct cdev *p, struct ko 30 void cdev_set_parent(struct cdev *p, struct kobject *kobj);
32 int cdev_device_add(struct cdev *cdev, struct 31 int cdev_device_add(struct cdev *cdev, struct device *dev);
33 void cdev_device_del(struct cdev *cdev, struct 32 void cdev_device_del(struct cdev *cdev, struct device *dev);
34 33
35 void cdev_del(struct cdev *); 34 void cdev_del(struct cdev *);
36 35
37 void cd_forget(struct inode *); 36 void cd_forget(struct inode *);
38 37
39 #endif 38 #endif
40 39
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