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 _UAPI_LINUX_WATCHDOG_H
10#define _UAPI_LINUX_WATCHDOG_H
11
12#include <linux/ioctl.h>
13#include <linux/types.h>
14
15#define	WATCHDOG_IOCTL_BASE	'W'
16
17struct watchdog_info {
18	__u32 options;		/* Options the card/driver supports */
19	__u32 firmware_version;	/* Firmware version of the card */
20	__u8  identity[32];	/* Identity of the board */
21};
22
23#define	WDIOC_GETSUPPORT	_IOR(WATCHDOG_IOCTL_BASE, 0, struct watchdog_info)
24#define	WDIOC_GETSTATUS		_IOR(WATCHDOG_IOCTL_BASE, 1, int)
25#define	WDIOC_GETBOOTSTATUS	_IOR(WATCHDOG_IOCTL_BASE, 2, int)
26#define	WDIOC_GETTEMP		_IOR(WATCHDOG_IOCTL_BASE, 3, int)
27#define	WDIOC_SETOPTIONS	_IOR(WATCHDOG_IOCTL_BASE, 4, int)
28#define	WDIOC_KEEPALIVE		_IOR(WATCHDOG_IOCTL_BASE, 5, int)
29#define	WDIOC_SETTIMEOUT        _IOWR(WATCHDOG_IOCTL_BASE, 6, int)
30#define	WDIOC_GETTIMEOUT        _IOR(WATCHDOG_IOCTL_BASE, 7, int)
31#define	WDIOC_SETPRETIMEOUT	_IOWR(WATCHDOG_IOCTL_BASE, 8, int)
32#define	WDIOC_GETPRETIMEOUT	_IOR(WATCHDOG_IOCTL_BASE, 9, int)
33#define	WDIOC_GETTIMELEFT	_IOR(WATCHDOG_IOCTL_BASE, 10, int)
34
35#define	WDIOF_UNKNOWN		-1	/* Unknown flag error */
36#define	WDIOS_UNKNOWN		-1	/* Unknown status error */
37
38#define	WDIOF_OVERHEAT		0x0001	/* Reset due to CPU overheat */
39#define	WDIOF_FANFAULT		0x0002	/* Fan failed */
40#define	WDIOF_EXTERN1		0x0004	/* External relay 1 */
41#define	WDIOF_EXTERN2		0x0008	/* External relay 2 */
42#define	WDIOF_POWERUNDER	0x0010	/* Power bad/power fault */
43#define	WDIOF_CARDRESET		0x0020	/* Card previously reset the CPU */
44#define	WDIOF_POWEROVER		0x0040	/* Power over voltage */
45#define	WDIOF_SETTIMEOUT	0x0080  /* Set timeout (in seconds) */
46#define	WDIOF_MAGICCLOSE	0x0100	/* Supports magic close char */
47#define	WDIOF_PRETIMEOUT	0x0200  /* Pretimeout (in seconds), get/set */
48#define	WDIOF_ALARMONLY		0x0400	/* Watchdog triggers a management or
49					   other external alarm not a reboot */
50#define	WDIOF_KEEPALIVEPING	0x8000	/* Keep alive ping reply */
51
52#define	WDIOS_DISABLECARD	0x0001	/* Turn off the watchdog timer */
53#define	WDIOS_ENABLECARD	0x0002	/* Turn on the watchdog timer */
54#define	WDIOS_TEMPPANIC		0x0004	/* Kernel panic on temperature trip */
55
56
57#endif /* _UAPI_LINUX_WATCHDOG_H */
58