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57cc7215b7
Remove kobject.h from files which don't need it, notably, sched.h and fs.h. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
61 lines
1.6 KiB
C
61 lines
1.6 KiB
C
/*
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* (C) Copyright IBM Corp. 2004 All Rights Reserved.
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* tape_class.h
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*
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* Tape class device support
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*
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* Author: Stefan Bader <shbader@de.ibm.com>
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* Based on simple class device code by Greg K-H
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*/
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#ifndef __TAPE_CLASS_H__
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#define __TAPE_CLASS_H__
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/fs.h>
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#include <linux/major.h>
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#include <linux/kobj_map.h>
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#include <linux/cdev.h>
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#include <linux/device.h>
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#include <linux/kdev_t.h>
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#define TAPECLASS_NAME_LEN 32
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struct tape_class_device {
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struct cdev *char_device;
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struct device *class_device;
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char device_name[TAPECLASS_NAME_LEN];
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char mode_name[TAPECLASS_NAME_LEN];
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};
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/*
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* Register a tape device and return a pointer to the tape class device
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* created by the call.
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*
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* device
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* The pointer to the struct device of the physical (base) device.
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* dev
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* The intended major/minor number. The major number may be 0 to
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* get a dynamic major number.
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* fops
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* The pointer to the drivers file operations for the tape device.
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* device_name
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* Pointer to the logical device name (will also be used as kobject name
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* of the cdev). This can also be called the name of the tape class
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* device.
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* mode_name
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* Points to the name of the tape mode. This creates a link with that
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* name from the physical device to the logical device (class).
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*/
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struct tape_class_device *register_tape_dev(
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struct device * device,
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dev_t dev,
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const struct file_operations *fops,
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char * device_name,
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char * node_name
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);
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void unregister_tape_dev(struct device *device, struct tape_class_device *tcd);
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#endif /* __TAPE_CLASS_H__ */
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