64 lines
2.3 KiB
C
Executable File
64 lines
2.3 KiB
C
Executable File
/*
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Copyright (c), 2001-2022, Shenshu Tech. Co., Ltd.
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*/
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#ifndef OT_WTDG_H
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#define OT_WTDG_H
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#include <linux/types.h>
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#include "securec.h"
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#include "osal_ioctl.h"
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#ifdef __cplusplus
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extern "C"{
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#endif /* __cplusplus */
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int watchdog_init(void);
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void watchdog_exit(void);
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#define WATCHDOG_IOCTL_BASE 'W'
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#define wtdg_unused(x) ((void)(x))
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struct watchdog_info {
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unsigned int options; /* Options the card/driver supports */
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unsigned int firmware_version; /* Firmware version of the card */
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unsigned char identity[32]; /* 32 bit 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, unsigned int)
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#define WDIOC_GETBOOTSTATUS _IOR(WATCHDOG_IOCTL_BASE, 2, unsigned int)
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#define WDIOC_SETOPTIONS _IOWR(WATCHDOG_IOCTL_BASE, 4, unsigned int)
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#define WDIOC_KEEPALIVE _IO(WATCHDOG_IOCTL_BASE, 5)
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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 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_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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#define OT_DOG_TIMER_MARGIN 60
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volatile void **get_wtdg_reg_base(void);
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void wtdg_set_module_param(int margin, int daemon);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif
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