Linux Kernel  3.7.1
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watchdog.h
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1 /*
2  * Generic watchdog defines. Derived from..
3  *
4  * Berkshire PC Watchdog Defines
5  * by Ken Hollis <[email protected]>
6  *
7  */
8 
9 #ifndef _UAPI_LINUX_WATCHDOG_H
10 #define _UAPI_LINUX_WATCHDOG_H
11 
12 #include <linux/ioctl.h>
13 #include <linux/types.h>
14 
15 #define WATCHDOG_IOCTL_BASE 'W'
16 
17 struct watchdog_info {
18  __u32 options; /* Options the card/driver supports */
19  __u32 firmware_version; /* Firmware version of the card */
20  __u8 identity[32]; /* Identity of the board */
21 };
22 
23 #define WDIOC_GETSUPPORT _IOR(WATCHDOG_IOCTL_BASE, 0, struct watchdog_info)
24 #define WDIOC_GETSTATUS _IOR(WATCHDOG_IOCTL_BASE, 1, int)
25 #define WDIOC_GETBOOTSTATUS _IOR(WATCHDOG_IOCTL_BASE, 2, int)
26 #define WDIOC_GETTEMP _IOR(WATCHDOG_IOCTL_BASE, 3, int)
27 #define WDIOC_SETOPTIONS _IOR(WATCHDOG_IOCTL_BASE, 4, int)
28 #define WDIOC_KEEPALIVE _IOR(WATCHDOG_IOCTL_BASE, 5, int)
29 #define WDIOC_SETTIMEOUT _IOWR(WATCHDOG_IOCTL_BASE, 6, int)
30 #define WDIOC_GETTIMEOUT _IOR(WATCHDOG_IOCTL_BASE, 7, int)
31 #define WDIOC_SETPRETIMEOUT _IOWR(WATCHDOG_IOCTL_BASE, 8, int)
32 #define WDIOC_GETPRETIMEOUT _IOR(WATCHDOG_IOCTL_BASE, 9, int)
33 #define WDIOC_GETTIMELEFT _IOR(WATCHDOG_IOCTL_BASE, 10, int)
34 
35 #define WDIOF_UNKNOWN -1 /* Unknown flag error */
36 #define WDIOS_UNKNOWN -1 /* Unknown status error */
37 
38 #define WDIOF_OVERHEAT 0x0001 /* Reset due to CPU overheat */
39 #define WDIOF_FANFAULT 0x0002 /* Fan failed */
40 #define WDIOF_EXTERN1 0x0004 /* External relay 1 */
41 #define WDIOF_EXTERN2 0x0008 /* External relay 2 */
42 #define WDIOF_POWERUNDER 0x0010 /* Power bad/power fault */
43 #define WDIOF_CARDRESET 0x0020 /* Card previously reset the CPU */
44 #define WDIOF_POWEROVER 0x0040 /* Power over voltage */
45 #define WDIOF_SETTIMEOUT 0x0080 /* Set timeout (in seconds) */
46 #define WDIOF_MAGICCLOSE 0x0100 /* Supports magic close char */
47 #define WDIOF_PRETIMEOUT 0x0200 /* Pretimeout (in seconds), get/set */
48 #define WDIOF_ALARMONLY 0x0400 /* Watchdog triggers a management or
49  other external alarm not a reboot */
50 #define WDIOF_KEEPALIVEPING 0x8000 /* Keep alive ping reply */
51 
52 #define WDIOS_DISABLECARD 0x0001 /* Turn off the watchdog timer */
53 #define WDIOS_ENABLECARD 0x0002 /* Turn on the watchdog timer */
54 #define WDIOS_TEMPPANIC 0x0004 /* Kernel panic on temperature trip */
55 
56 
57 #endif /* _UAPI_LINUX_WATCHDOG_H */