/*
* Generic watchdog defines. Derived from..
*
* Berkshire PC Watchdog Defines
* by Ken Hollis <[email protected]>
*
*/

#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 WDIOC_SETPRETIMEOUT _IOWR(WATCHDOG_IOCTL_BASE, 8, int)
#define WDIOC_GETPRETIMEOUT _IOR(WATCHDOG_IOCTL_BASE, 9, int)
#define WDIOC_GETTIMELEFT _IOR(WATCHDOG_IOCTL_BASE, 10, 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_PRETIMEOUT 0x0200 /* Pretimeout (in seconds), get/set */
#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 CONFIG_HARDLOCKUP_DETECTOR
void watchdog_nmi_disable_all(void);
void watchdog_nmi_enable_all(void);
#else
static __inline__ void watchdog_nmi_disable_all(void) {}
static __inline__ void watchdog_nmi_enable_all(void) {}
#endif

#endif /* ifndef _LINUX_WATCHDOG_H */