Quelle watchdog.h Sprache: C

/* 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 */

#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 */

#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 */

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