linux/drivers/usb/mon/usb_mon.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * The USB Monitor, inspired by Dave Harding's USBMon.
 *
 * Copyright (C) 2005 Pete Zaitcev ([email protected])
 */

#ifndef __USB_MON_H
#define __USB_MON_H

#include <linux/list.h>
#include <linux/slab.h>
#include <linux/kref.h>
/* #include <linux/usb.h> */	/* We use struct pointers only in this header */

#define TAG …

struct mon_bus { … };

/*
 * An instance of a process which opened a file (but can fork later)
 */
struct mon_reader { … };

void mon_reader_add(struct mon_bus *mbus, struct mon_reader *r);
void mon_reader_del(struct mon_bus *mbus, struct mon_reader *r);

struct mon_bus *mon_bus_lookup(unsigned int num);

int /*bool*/ mon_text_add(struct mon_bus *mbus, const struct usb_bus *ubus);
void mon_text_del(struct mon_bus *mbus);
int /*bool*/ mon_bin_add(struct mon_bus *mbus, const struct usb_bus *ubus);
void mon_bin_del(struct mon_bus *mbus);

int __init mon_text_init(void);
void mon_text_exit(void);
int __init mon_bin_init(void);
void mon_bin_exit(void);

/*
 */
extern struct mutex mon_lock;

extern const struct file_operations mon_fops_stat;

extern struct mon_bus mon_bus0;		/* Only for redundant checks */

#endif /* __USB_MON_H */