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1da177e4 LT |
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 | ||
32 | #define WDIOF_UNKNOWN -1 /* Unknown flag error */ | |
33 | #define WDIOS_UNKNOWN -1 /* Unknown status error */ | |
34 | ||
35 | #define WDIOF_OVERHEAT 0x0001 /* Reset due to CPU overheat */ | |
36 | #define WDIOF_FANFAULT 0x0002 /* Fan failed */ | |
37 | #define WDIOF_EXTERN1 0x0004 /* External relay 1 */ | |
38 | #define WDIOF_EXTERN2 0x0008 /* External relay 2 */ | |
39 | #define WDIOF_POWERUNDER 0x0010 /* Power bad/power fault */ | |
40 | #define WDIOF_CARDRESET 0x0020 /* Card previously reset the CPU */ | |
41 | #define WDIOF_POWEROVER 0x0040 /* Power over voltage */ | |
42 | #define WDIOF_SETTIMEOUT 0x0080 /* Set timeout (in seconds) */ | |
43 | #define WDIOF_MAGICCLOSE 0x0100 /* Supports magic close char */ | |
44 | #define WDIOF_KEEPALIVEPING 0x8000 /* Keep alive ping reply */ | |
45 | ||
46 | #define WDIOS_DISABLECARD 0x0001 /* Turn off the watchdog timer */ | |
47 | #define WDIOS_ENABLECARD 0x0002 /* Turn on the watchdog timer */ | |
48 | #define WDIOS_TEMPPANIC 0x0004 /* Kernel panic on temperature trip */ | |
49 | ||
4bfdf378 AP |
50 | #ifdef __KERNEL__ |
51 | ||
52 | #ifdef CONFIG_WATCHDOG_NOWAYOUT | |
53 | #define WATCHDOG_NOWAYOUT 1 | |
54 | #else | |
55 | #define WATCHDOG_NOWAYOUT 0 | |
56 | #endif | |
57 | ||
58 | #endif /* __KERNEL__ */ | |
59 | ||
1da177e4 | 60 | #endif /* ifndef _LINUX_WATCHDOG_H */ |