Files
Linux_Drivers/linux_5.10/drivers/s390/char/ctrlchar.h
sam.xiang 5c7dd7acc3 [linux] create linux_5.10.4 from T-head official:
repo: https://github.com/T-head-Semi/linux
	commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb

Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
2023-03-10 20:32:41 +08:00

33 lines
644 B
C

/* 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