LXR linux/include/uapi/linux/watchdog.h

   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@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
  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 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