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/* -*- linux-c -*-
*
* $Id: sysrq.h,v 1.3 1997/07/17 11:54:33 mj Exp $
*
* Linux Magic System Request Key Hacks
*
* (c) 1997 Martin Mares <mj@atrey.karlin.mff.cuni.cz>
*/
#include <linux/config.h>
struct pt_regs;
struct kbd_struct;
struct tty_struct;
/* Generic SysRq interface -- you may call it from any device driver, supplying
* ASCII code of the key, pointer to registers and kbd/tty structs (if they
* are available -- else NULL's).
*/
void handle_sysrq(int, struct pt_regs *, struct kbd_struct *, struct tty_struct *);
/* Deferred actions */
extern int emergency_sync_scheduled;
#define EMERG_SYNC 1
#define EMERG_REMOUNT 2
void do_emergency_sync(void);
#ifdef CONFIG_MAGIC_SYSRQ
#define CHECK_EMERGENCY_SYNC \
if (emergency_sync_scheduled) \
do_emergency_sync();
#else
#define CHECK_EMERGENCY_SYNC
#endif
extern int sysrq_enabled;
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