40 lines
845 B
C
40 lines
845 B
C
|
/* SPDX-License-Identifier: GPL-2.0 */
|
||
|
|
#ifndef _LINUX_CDEV_H
|
||
|
|
#define _LINUX_CDEV_H
|
||
|
|
|
||
|
|
#include <linux/kobject.h>
|
||
|
|
#include <linux/kdev_t.h>
|
||
|
|
#include <linux/list.h>
|
||
|
|
#include <linux/device.h>
|
||
|
|
|
||
|
|
struct file_operations;
|
||
|
|
struct inode;
|
||
|
|
struct module;
|
||
|
|
|
||
|
|
struct cdev {
|
||
|
|
struct kobject kobj;
|
||
|
|
struct module *owner;
|
||
|
|
const struct file_operations *ops;
|
||
|
|
struct list_head list;
|
||
|
|
dev_t dev;
|
||
|
|
unsigned int count;
|
||
|
|
} __randomize_layout;
|
||
|
|
|
||
|
|
void cdev_init(struct cdev *, const struct file_operations *);
|
||
|
|
|
||
|
|
struct cdev *cdev_alloc(void);
|
||
|
|
|
||
|
|
void cdev_put(struct cdev *p);
|
||
|
|
|
||
|
|
int cdev_add(struct cdev *, dev_t, unsigned);
|
||
|
|
|
||
|
|
void cdev_set_parent(struct cdev *p, struct kobject *kobj);
|
||
|
|
int cdev_device_add(struct cdev *cdev, struct device *dev);
|
||
|
|
void cdev_device_del(struct cdev *cdev, struct device *dev);
|
||
|
|
|
||
|
|
void cdev_del(struct cdev *);
|
||
|
|
|
||
|
|
void cd_forget(struct inode *);
|
||
|
|
|
||
|
|
#endif
|