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1 | /* |
2 | * Generic watchdog defines. Derived from.. |
3 | * |
4 | * Berkshire PC Watchdog Defines |
5 | * by Ken Hollis <khollis@bitgate.com> |
6 | * |
7 | */ |
8 | |
9 | #ifndef _LINUX_WATCHDOG_H |
10 | #define _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_KEEPALIVEPING 0x8000 /* Keep alive ping reply */ |
49 | |
50 | #define WDIOS_DISABLECARD 0x0001 /* Turn off the watchdog timer */ |
51 | #define WDIOS_ENABLECARD 0x0002 /* Turn on the watchdog timer */ |
52 | #define WDIOS_TEMPPANIC 0x0004 /* Kernel panic on temperature trip */ |
53 | |
54 | #ifdef __KERNEL__ |
55 | |
56 | #ifdef CONFIG_WATCHDOG_NOWAYOUT |
57 | #define WATCHDOG_NOWAYOUT 1 |
58 | #else |
59 | #define WATCHDOG_NOWAYOUT 0 |
60 | #endif |
61 | |
62 | #endif /* __KERNEL__ */ |
63 | |
64 | #endif /* ifndef _LINUX_WATCHDOG_H */ |
65 |
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