|  | /* | 
|  | *	Generic watchdog defines. Derived from.. | 
|  | * | 
|  | * Berkshire PC Watchdog Defines | 
|  | * by Ken Hollis <khollis@bitgate.com> | 
|  | * | 
|  | */ | 
|  |  | 
|  | #ifndef _LINUX_WATCHDOG_H | 
|  | #define _LINUX_WATCHDOG_H | 
|  |  | 
|  | #include <linux/ioctl.h> | 
|  | #include <linux/types.h> | 
|  |  | 
|  | #define	WATCHDOG_IOCTL_BASE	'W' | 
|  |  | 
|  | struct watchdog_info { | 
|  | __u32 options;		/* Options the card/driver supports */ | 
|  | __u32 firmware_version;	/* Firmware version of the card */ | 
|  | __u8  identity[32];	/* Identity of the board */ | 
|  | }; | 
|  |  | 
|  | #define	WDIOC_GETSUPPORT	_IOR(WATCHDOG_IOCTL_BASE, 0, struct watchdog_info) | 
|  | #define	WDIOC_GETSTATUS		_IOR(WATCHDOG_IOCTL_BASE, 1, int) | 
|  | #define	WDIOC_GETBOOTSTATUS	_IOR(WATCHDOG_IOCTL_BASE, 2, int) | 
|  | #define	WDIOC_GETTEMP		_IOR(WATCHDOG_IOCTL_BASE, 3, int) | 
|  | #define	WDIOC_SETOPTIONS	_IOR(WATCHDOG_IOCTL_BASE, 4, int) | 
|  | #define	WDIOC_KEEPALIVE		_IOR(WATCHDOG_IOCTL_BASE, 5, int) | 
|  | #define	WDIOC_SETTIMEOUT        _IOWR(WATCHDOG_IOCTL_BASE, 6, int) | 
|  | #define	WDIOC_GETTIMEOUT        _IOR(WATCHDOG_IOCTL_BASE, 7, int) | 
|  |  | 
|  | #define	WDIOF_UNKNOWN		-1	/* Unknown flag error */ | 
|  | #define	WDIOS_UNKNOWN		-1	/* Unknown status error */ | 
|  |  | 
|  | #define	WDIOF_OVERHEAT		0x0001	/* Reset due to CPU overheat */ | 
|  | #define	WDIOF_FANFAULT		0x0002	/* Fan failed */ | 
|  | #define	WDIOF_EXTERN1		0x0004	/* External relay 1 */ | 
|  | #define	WDIOF_EXTERN2		0x0008	/* External relay 2 */ | 
|  | #define	WDIOF_POWERUNDER	0x0010	/* Power bad/power fault */ | 
|  | #define	WDIOF_CARDRESET		0x0020	/* Card previously reset the CPU */ | 
|  | #define WDIOF_POWEROVER		0x0040	/* Power over voltage */ | 
|  | #define WDIOF_SETTIMEOUT	0x0080  /* Set timeout (in seconds) */ | 
|  | #define WDIOF_MAGICCLOSE	0x0100	/* Supports magic close char */ | 
|  | #define	WDIOF_KEEPALIVEPING	0x8000	/* Keep alive ping reply */ | 
|  |  | 
|  | #define	WDIOS_DISABLECARD	0x0001	/* Turn off the watchdog timer */ | 
|  | #define	WDIOS_ENABLECARD	0x0002	/* Turn on the watchdog timer */ | 
|  | #define	WDIOS_TEMPPANIC		0x0004	/* Kernel panic on temperature trip */ | 
|  |  | 
|  | #ifdef __KERNEL__ | 
|  |  | 
|  | #ifdef CONFIG_WATCHDOG_NOWAYOUT | 
|  | #define WATCHDOG_NOWAYOUT	1 | 
|  | #else | 
|  | #define WATCHDOG_NOWAYOUT	0 | 
|  | #endif | 
|  |  | 
|  | #endif	/* __KERNEL__ */ | 
|  |  | 
|  | #endif  /* ifndef _LINUX_WATCHDOG_H */ |