[thirdparty/kernel/linux.git] / drivers / s390 / char / ctrlchar.h

/*
 *  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
Commit	Line	Data
1da177e4	1	/*
1da177e4 LT	2	* Unified handling of special chars.
1da177e4 LT	3	*
a53c8fab	4	* Copyright IBM Corp. 2001
1da177e4 LT	5	* Author(s): Fritz Elfert <felfert@millenux.com> <elfert@de.ibm.com>
	6	*
	7	*/
	8
	9	#include <linux/tty.h>
ab7373bf HB	10	#include <linux/sysrq.h>
ab7373bf HB	11	#include <linux/workqueue.h>
1da177e4 LT	12
	13	extern unsigned int
	14	ctrlchar_handle(const unsigned char buf, int len, struct tty_struct tty);
	15
	16
	17	#define CTRLCHAR_NONE (1 << 8)
	18	#define CTRLCHAR_CTRL (2 << 8)
	19	#define CTRLCHAR_SYSRQ (3 << 8)
	20
	21	#define CTRLCHAR_MASK (~0xffu)
ab7373bf HB	22
	23
	24	#ifdef CONFIG_MAGIC_SYSRQ
	25	struct sysrq_work {
	26	int key;
	27	struct work_struct work;
	28	};
	29
	30	void schedule_sysrq_work(struct sysrq_work *sw);
	31	#endif