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> <<
9 7
10 struct file_operations; 8 struct file_operations;
11 struct inode; 9 struct inode;
12 struct module; 10 struct module;
13 11
14 struct cdev { 12 struct cdev {
15 struct kobject kobj; 13 struct kobject kobj;
16 struct module *owner; 14 struct module *owner;
17 const struct file_operations *ops; 15 const struct file_operations *ops;
18 struct list_head list; 16 struct list_head list;
19 dev_t dev; 17 dev_t dev;
20 unsigned int count; 18 unsigned int count;
21 } __randomize_layout; !! 19 };
22 20
23 void cdev_init(struct cdev *, const struct fil 21 void cdev_init(struct cdev *, const struct file_operations *);
24 22
25 struct cdev *cdev_alloc(void); 23 struct cdev *cdev_alloc(void);
26 24
27 void cdev_put(struct cdev *p); 25 void cdev_put(struct cdev *p);
28 26
29 int cdev_add(struct cdev *, dev_t, unsigned); 27 int cdev_add(struct cdev *, dev_t, unsigned);
30 <<
31 void cdev_set_parent(struct cdev *p, struct ko <<
32 int cdev_device_add(struct cdev *cdev, struct <<
33 void cdev_device_del(struct cdev *cdev, struct <<
34 28
35 void cdev_del(struct cdev *); 29 void cdev_del(struct cdev *);
36 30
37 void cd_forget(struct inode *); 31 void cd_forget(struct inode *);
38 32
39 #endif 33 #endif
40 34
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