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