1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 /* 3 * Generic watchdog defines. Derived from.. 4 * 5 * Berkshire PC Watchdog Defines 6 * by Ken Hollis <khollis (at) bitgate.com> 7 * 8 */ 9 10 #ifndef _UAPI_LINUX_WATCHDOG_H 11 #define _UAPI_LINUX_WATCHDOG_H 12 13 #include <linux/ioctl.h> 14 #include <linux/types.h> 15 16 #define WATCHDOG_IOCTL_BASE 'W' 17 18 struct watchdog_info { 19 __u32 options; /* Options the card/driver supports */ 20 __u32 firmware_version; /* Firmware version of the card */ 21 __u8 identity[32]; /* Identity of the board */ 22 }; 23 24 #define WDIOC_GETSUPPORT _IOR(WATCHDOG_IOCTL_BASE, 0, struct watchdog_info) 25 #define WDIOC_GETSTATUS _IOR(WATCHDOG_IOCTL_BASE, 1, int) 26 #define WDIOC_GETBOOTSTATUS _IOR(WATCHDOG_IOCTL_BASE, 2, int) 27 #define WDIOC_GETTEMP _IOR(WATCHDOG_IOCTL_BASE, 3, int) 28 #define WDIOC_SETOPTIONS _IOR(WATCHDOG_IOCTL_BASE, 4, int) 29 #define WDIOC_KEEPALIVE _IOR(WATCHDOG_IOCTL_BASE, 5, int) 30 #define WDIOC_SETTIMEOUT _IOWR(WATCHDOG_IOCTL_BASE, 6, int) 31 #define WDIOC_GETTIMEOUT _IOR(WATCHDOG_IOCTL_BASE, 7, int) 32 #define WDIOC_SETPRETIMEOUT _IOWR(WATCHDOG_IOCTL_BASE, 8, int) 33 #define WDIOC_GETPRETIMEOUT _IOR(WATCHDOG_IOCTL_BASE, 9, int) 34 #define WDIOC_GETTIMELEFT _IOR(WATCHDOG_IOCTL_BASE, 10, int) 35 36 #define WDIOF_UNKNOWN -1 /* Unknown flag error */ 37 #define WDIOS_UNKNOWN -1 /* Unknown status error */ 38 39 #define WDIOF_OVERHEAT 0x0001 /* Reset due to CPU overheat */ 40 #define WDIOF_FANFAULT 0x0002 /* Fan failed */ 41 #define WDIOF_EXTERN1 0x0004 /* External relay 1 */ 42 #define WDIOF_EXTERN2 0x0008 /* External relay 2 */ 43 #define WDIOF_POWERUNDER 0x0010 /* Power bad/power fault */ 44 #define WDIOF_CARDRESET 0x0020 /* Card previously reset the CPU */ 45 #define WDIOF_POWEROVER 0x0040 /* Power over voltage */ 46 #define WDIOF_SETTIMEOUT 0x0080 /* Set timeout (in seconds) */ 47 #define WDIOF_MAGICCLOSE 0x0100 /* Supports magic close char */ 48 #define WDIOF_PRETIMEOUT 0x0200 /* Pretimeout (in seconds), get/set */ 49 #define WDIOF_ALARMONLY 0x0400 /* Watchdog triggers a management or 50 other external alarm not a reboot */ 51 #define WDIOF_KEEPALIVEPING 0x8000 /* Keep alive ping reply */ 52 53 #define WDIOS_DISABLECARD 0x0001 /* Turn off the watchdog timer */ 54 #define WDIOS_ENABLECARD 0x0002 /* Turn on the watchdog timer */ 55 #define WDIOS_TEMPPANIC 0x0004 /* Kernel panic on temperature trip */ 56 57 58 #endif /* _UAPI_LINUX_WATCHDOG_H */ 59
