Cregit: Linux 5.7: ctrlchar.h

Contributors: 5
Author	Tokens	Token Proportion	Commits	Commit Proportion
Hendrik Brueckner	32	43.84%	1	16.67%
Linus Torvalds	20	27.40%	1	16.67%
Martin Schwidefsky	19	26.03%	2	33.33%
Heiko Carstens	1	1.37%	1	16.67%
Greg Kroah-Hartman	1	1.37%	1	16.67%
Total	73		6

/* SPDX-License-Identifier: GPL-2.0 */
/*
 *  Unified handling of special chars.
 *
 *    Copyright IBM Corp. 2001
 *    Author(s): Fritz Elfert <felfert@millenux.com> <elfert@de.ibm.com>
 *
 */

#include <linux/tty.h>
#include <linux/sysrq.h>
#include <linux/workqueue.h>

extern unsigned int
ctrlchar_handle(const unsigned char *buf, int len, struct tty_struct *tty);


#define CTRLCHAR_NONE  (1 << 8)
#define CTRLCHAR_CTRL  (2 << 8)
#define CTRLCHAR_SYSRQ (3 << 8)

#define CTRLCHAR_MASK (~0xffu)


#ifdef CONFIG_MAGIC_SYSRQ
struct sysrq_work {
	int key;
	struct work_struct work;
};

void schedule_sysrq_work(struct sysrq_work *sw);
#endif