/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */

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/*

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* Generic watchdog defines. Derived from..

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*

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* Berkshire PC Watchdog Defines

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* by Ken Hollis <khollis@bitgate.com>

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*

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*/

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#ifndef _LINUX_WATCHDOG_H

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#define _LINUX_WATCHDOG_H

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#include <linux/ioctl.h>

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#include <linux/types.h>

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#define WATCHDOG_IOCTL_BASE 'W'

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struct watchdog_info {

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__u32 options; /* Options the card/driver supports */

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__u32 firmware_version; /* Firmware version of the card */

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__u8 identity[32]; /* Identity of the board */

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};

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#define WDIOC_GETSUPPORT _IOR(WATCHDOG_IOCTL_BASE, 0, struct watchdog_info)

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#define WDIOC_GETSTATUS _IOR(WATCHDOG_IOCTL_BASE, 1, int)

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#define WDIOC_GETBOOTSTATUS _IOR(WATCHDOG_IOCTL_BASE, 2, int)

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#define WDIOC_GETTEMP _IOR(WATCHDOG_IOCTL_BASE, 3, int)

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#define WDIOC_SETOPTIONS _IOR(WATCHDOG_IOCTL_BASE, 4, int)

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#define WDIOC_KEEPALIVE _IOR(WATCHDOG_IOCTL_BASE, 5, int)

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#define WDIOC_SETTIMEOUT _IOWR(WATCHDOG_IOCTL_BASE, 6, int)

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#define WDIOC_GETTIMEOUT _IOR(WATCHDOG_IOCTL_BASE, 7, int)

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#define WDIOC_SETPRETIMEOUT _IOWR(WATCHDOG_IOCTL_BASE, 8, int)

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#define WDIOC_GETPRETIMEOUT _IOR(WATCHDOG_IOCTL_BASE, 9, int)

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#define WDIOC_GETTIMELEFT _IOR(WATCHDOG_IOCTL_BASE, 10, int)

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#define WDIOF_UNKNOWN -1 /* Unknown flag error */

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#define WDIOS_UNKNOWN -1 /* Unknown status error */

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#define WDIOF_OVERHEAT 0x0001 /* Reset due to CPU overheat */

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#define WDIOF_FANFAULT 0x0002 /* Fan failed */

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#define WDIOF_EXTERN1 0x0004 /* External relay 1 */

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#define WDIOF_EXTERN2 0x0008 /* External relay 2 */

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#define WDIOF_POWERUNDER 0x0010 /* Power bad/power fault */

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#define WDIOF_CARDRESET 0x0020 /* Card previously reset the CPU */

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#define WDIOF_POWEROVER 0x0040 /* Power over voltage */

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#define WDIOF_SETTIMEOUT 0x0080 /* Set timeout (in seconds) */

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#define WDIOF_MAGICCLOSE 0x0100 /* Supports magic close char */

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#define WDIOF_PRETIMEOUT 0x0200 /* Pretimeout (in seconds), get/set */

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#define WDIOF_ALARMONLY 0x0400 /* Watchdog triggers a management or

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other external alarm not a reboot */

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#define WDIOF_KEEPALIVEPING 0x8000 /* Keep alive ping reply */

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#define WDIOS_DISABLECARD 0x0001 /* Turn off the watchdog timer */

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#define WDIOS_ENABLECARD 0x0002 /* Turn on the watchdog timer */

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#define WDIOS_TEMPPANIC 0x0004 /* Kernel panic on temperature trip */

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#endif /* _LINUX_WATCHDOG_H */

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