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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note *//* * Generic watchdog defines. Derived from.. * * Berkshire PC Watchdog Defines * by Ken Hollis <khollis@bitgate.com> * */
#ifndef _UAPI_LINUX_WATCHDOG_H#define _UAPI_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 */
/* Bit masks for watchdog_info.options, GETSTATUS and GETBOOTSTATUS ioctls */#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_ALARMONLY 0x0400 /* Watchdog triggers a management or other external alarm not a reboot */#define WDIOF_KEEPALIVEPING 0x8000 /* Keep alive ping reply */
/* Bit masks for WDIOC_SETOPTIONS ioctl */#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 */
#endif /* _UAPI_LINUX_WATCHDOG_H */