w83627hf_wdt.h

主板上提供一个可按分或秒计时的

#ifndef __WDT83627__
#define __WDT83627__

#define WDIOC_GETSUPPORT			1
#define WDIOC_GETSTATUS				2
#define WDIOC_GETBOOTSTATUS		3
#define WDIOC_KEEPALIVE				4
#define WDIOC_SETTIMEOUT			5
#define WDIOC_GETTIMEOUT			6
#define WDIOC_SETOPTIONS			7

#define WDIOS_DISABLECARD			1
#define WDIOS_ENABLECARD			2

#define WDIOF_KEEPALIVEPING		1
#define WDIOF_SETTIMEOUT			2
#define WDIOF_MAGICCLOSE			4

#define WATCHDOG_MINOR 	130

struct watchdog_info {
	int options;		/* Options the card/driver supports */
	int firmware_version;	/* Firmware version of the card */
	char  identity[32];	/* Identity of the board */
};
#endif