linux-imx

/* 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