mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
59 lines
1.6 KiB
59 lines
1.6 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
|
/* |
|
* Copyright IBM Corp. 2004 All Rights Reserved. |
|
* |
|
* Tape class device support |
|
* |
|
* Author: Stefan Bader <[email protected]> |
|
* Based on simple class device code by Greg K-H |
|
*/ |
|
#ifndef __TAPE_CLASS_H__ |
|
#define __TAPE_CLASS_H__ |
|
|
|
#include <linux/init.h> |
|
#include <linux/module.h> |
|
#include <linux/fs.h> |
|
#include <linux/major.h> |
|
#include <linux/cdev.h> |
|
|
|
#include <linux/device.h> |
|
#include <linux/kdev_t.h> |
|
|
|
#define TAPECLASS_NAME_LEN 32 |
|
|
|
struct tape_class_device { |
|
struct cdev *char_device; |
|
struct device *class_device; |
|
char device_name[TAPECLASS_NAME_LEN]; |
|
char mode_name[TAPECLASS_NAME_LEN]; |
|
}; |
|
|
|
/* |
|
* Register a tape device and return a pointer to the tape class device |
|
* created by the call. |
|
* |
|
* device |
|
* The pointer to the struct device of the physical (base) device. |
|
* dev |
|
* The intended major/minor number. The major number may be 0 to |
|
* get a dynamic major number. |
|
* fops |
|
* The pointer to the drivers file operations for the tape device. |
|
* device_name |
|
* Pointer to the logical device name (will also be used as kobject name |
|
* of the cdev). This can also be called the name of the tape class |
|
* device. |
|
* mode_name |
|
* Points to the name of the tape mode. This creates a link with that |
|
* name from the physical device to the logical device (class). |
|
*/ |
|
struct tape_class_device *register_tape_dev( |
|
struct device * device, |
|
dev_t dev, |
|
const struct file_operations *fops, |
|
char * device_name, |
|
char * node_name |
|
); |
|
void unregister_tape_dev(struct device *device, struct tape_class_device *tcd); |
|
|
|
#endif /* __TAPE_CLASS_H__ */
|
|
|