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1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */2/*3 * Generic watchdog defines. Derived from..4 *5 * Berkshire PC Watchdog Defines6 * by Ken Hollis <khollis@bitgate.com>7 *8 */9 10#ifndef _UAPI_LINUX_WATCHDOG_H11#define _UAPI_LINUX_WATCHDOG_H12 13#include <linux/ioctl.h>14#include <linux/types.h>15 16#define WATCHDOG_IOCTL_BASE 'W'17 18struct 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 or50 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