1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Generic watchdog defines. Derived from.. 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Berkshire PC Watchdog Defines 6*4882a593Smuzhiyun * by Ken Hollis <khollis@bitgate.com> 7*4882a593Smuzhiyun * 8*4882a593Smuzhiyun */ 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun #ifndef _UAPI_LINUX_WATCHDOG_H 11*4882a593Smuzhiyun #define _UAPI_LINUX_WATCHDOG_H 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun #include <linux/ioctl.h> 14*4882a593Smuzhiyun #include <linux/types.h> 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun #define WATCHDOG_IOCTL_BASE 'W' 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun struct watchdog_info { 19*4882a593Smuzhiyun __u32 options; /* Options the card/driver supports */ 20*4882a593Smuzhiyun __u32 firmware_version; /* Firmware version of the card */ 21*4882a593Smuzhiyun __u8 identity[32]; /* Identity of the board */ 22*4882a593Smuzhiyun }; 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun #define WDIOC_GETSUPPORT _IOR(WATCHDOG_IOCTL_BASE, 0, struct watchdog_info) 25*4882a593Smuzhiyun #define WDIOC_GETSTATUS _IOR(WATCHDOG_IOCTL_BASE, 1, int) 26*4882a593Smuzhiyun #define WDIOC_GETBOOTSTATUS _IOR(WATCHDOG_IOCTL_BASE, 2, int) 27*4882a593Smuzhiyun #define WDIOC_GETTEMP _IOR(WATCHDOG_IOCTL_BASE, 3, int) 28*4882a593Smuzhiyun #define WDIOC_SETOPTIONS _IOR(WATCHDOG_IOCTL_BASE, 4, int) 29*4882a593Smuzhiyun #define WDIOC_KEEPALIVE _IOR(WATCHDOG_IOCTL_BASE, 5, int) 30*4882a593Smuzhiyun #define WDIOC_SETTIMEOUT _IOWR(WATCHDOG_IOCTL_BASE, 6, int) 31*4882a593Smuzhiyun #define WDIOC_GETTIMEOUT _IOR(WATCHDOG_IOCTL_BASE, 7, int) 32*4882a593Smuzhiyun #define WDIOC_SETPRETIMEOUT _IOWR(WATCHDOG_IOCTL_BASE, 8, int) 33*4882a593Smuzhiyun #define WDIOC_GETPRETIMEOUT _IOR(WATCHDOG_IOCTL_BASE, 9, int) 34*4882a593Smuzhiyun #define WDIOC_GETTIMELEFT _IOR(WATCHDOG_IOCTL_BASE, 10, int) 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun #define WDIOF_UNKNOWN -1 /* Unknown flag error */ 37*4882a593Smuzhiyun #define WDIOS_UNKNOWN -1 /* Unknown status error */ 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun #define WDIOF_OVERHEAT 0x0001 /* Reset due to CPU overheat */ 40*4882a593Smuzhiyun #define WDIOF_FANFAULT 0x0002 /* Fan failed */ 41*4882a593Smuzhiyun #define WDIOF_EXTERN1 0x0004 /* External relay 1 */ 42*4882a593Smuzhiyun #define WDIOF_EXTERN2 0x0008 /* External relay 2 */ 43*4882a593Smuzhiyun #define WDIOF_POWERUNDER 0x0010 /* Power bad/power fault */ 44*4882a593Smuzhiyun #define WDIOF_CARDRESET 0x0020 /* Card previously reset the CPU */ 45*4882a593Smuzhiyun #define WDIOF_POWEROVER 0x0040 /* Power over voltage */ 46*4882a593Smuzhiyun #define WDIOF_SETTIMEOUT 0x0080 /* Set timeout (in seconds) */ 47*4882a593Smuzhiyun #define WDIOF_MAGICCLOSE 0x0100 /* Supports magic close char */ 48*4882a593Smuzhiyun #define WDIOF_PRETIMEOUT 0x0200 /* Pretimeout (in seconds), get/set */ 49*4882a593Smuzhiyun #define WDIOF_ALARMONLY 0x0400 /* Watchdog triggers a management or 50*4882a593Smuzhiyun other external alarm not a reboot */ 51*4882a593Smuzhiyun #define WDIOF_KEEPALIVEPING 0x8000 /* Keep alive ping reply */ 52*4882a593Smuzhiyun 53*4882a593Smuzhiyun #define WDIOS_DISABLECARD 0x0001 /* Turn off the watchdog timer */ 54*4882a593Smuzhiyun #define WDIOS_ENABLECARD 0x0002 /* Turn on the watchdog timer */ 55*4882a593Smuzhiyun #define WDIOS_TEMPPANIC 0x0004 /* Kernel panic on temperature trip */ 56*4882a593Smuzhiyun 57*4882a593Smuzhiyun 58*4882a593Smuzhiyun #endif /* _UAPI_LINUX_WATCHDOG_H */ 59