1/*
2 *	Generic watchdog defines. Derived from..
3 *
4 * Berkshire PC Watchdog Defines
5 * by Ken Hollis <khollis@bitgate.com>
6 *
7 */
8
9#ifndef _LINUX_WATCHDOG_H
10#define _LINUX_WATCHDOG_H
11
12#include <linux/ioctl.h>
13
14#define	WATCHDOG_IOCTL_BASE	'W'
15
16struct watchdog_info {
17	__u32 options;		/* Options the card/driver supports */
18	__u32 firmware_version;	/* Firmware version of the card */
19	__u8  identity[32];	/* Identity of the board */
20};
21
22#define	WDIOC_GETSUPPORT	_IOR(WATCHDOG_IOCTL_BASE, 0, struct watchdog_info)
23#define	WDIOC_GETSTATUS		_IOR(WATCHDOG_IOCTL_BASE, 1, int)
24#define	WDIOC_GETBOOTSTATUS	_IOR(WATCHDOG_IOCTL_BASE, 2, int)
25#define	WDIOC_GETTEMP		_IOR(WATCHDOG_IOCTL_BASE, 3, int)
26#define	WDIOC_SETOPTIONS	_IOR(WATCHDOG_IOCTL_BASE, 4, int)
27#define	WDIOC_KEEPALIVE		_IOR(WATCHDOG_IOCTL_BASE, 5, int)
28#define	WDIOC_SETTIMEOUT        _IOWR(WATCHDOG_IOCTL_BASE, 6, int)
29#define	WDIOC_GETTIMEOUT        _IOR(WATCHDOG_IOCTL_BASE, 7, int)
30
31#define	WDIOF_UNKNOWN		-1	/* Unknown flag error */
32#define	WDIOS_UNKNOWN		-1	/* Unknown status error */
33
34#define	WDIOF_OVERHEAT		0x0001	/* Reset due to CPU overheat */
35#define	WDIOF_FANFAULT		0x0002	/* Fan failed */
36#define	WDIOF_EXTERN1		0x0004	/* External relay 1 */
37#define	WDIOF_EXTERN2		0x0008	/* External relay 2 */
38#define	WDIOF_POWERUNDER	0x0010	/* Power bad/power fault */
39#define	WDIOF_CARDRESET		0x0020	/* Card previously reset the CPU */
40#define WDIOF_POWEROVER		0x0040	/* Power over voltage */
41#define WDIOF_SETTIMEOUT	0x0080	/* Set timeout (in seconds) */
42#define WDIOF_MAGICCLOSE	0x0100	/* Supports magic close char */
43#define	WDIOF_KEEPALIVEPING	0x8000	/* Keep alive ping reply */
44
45#define	WDIOS_DISABLECARD	0x0001	/* Turn off the watchdog timer */
46#define	WDIOS_ENABLECARD	0x0002	/* Turn on the watchdog timer */
47#define	WDIOS_TEMPPANIC		0x0004	/* Kernel panic on temperature trip */
48
49#endif  /* ifndef _LINUX_WATCHDOG_H */
50