linux/include/linux/cdev.h

/* 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 { … } __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