watchdog.h 2.3 KB

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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. #ifndef _LINUX_WATCHDOG_H
  9. #define _LINUX_WATCHDOG_H
  10. #include <linux/ioctl.h>
  11. #include <linux/types.h>
  12. #define WATCHDOG_IOCTL_BASE 'W'
  13. struct watchdog_info {
  14. __u32 options; /* Options the card/driver supports */
  15. __u32 firmware_version; /* Firmware version of the card */
  16. __u8 identity[32]; /* Identity of the board */
  17. };
  18. #define WDIOC_GETSUPPORT _IOR(WATCHDOG_IOCTL_BASE, 0, struct watchdog_info)
  19. #define WDIOC_GETSTATUS _IOR(WATCHDOG_IOCTL_BASE, 1, int)
  20. #define WDIOC_GETBOOTSTATUS _IOR(WATCHDOG_IOCTL_BASE, 2, int)
  21. #define WDIOC_GETTEMP _IOR(WATCHDOG_IOCTL_BASE, 3, int)
  22. #define WDIOC_SETOPTIONS _IOR(WATCHDOG_IOCTL_BASE, 4, int)
  23. #define WDIOC_KEEPALIVE _IOR(WATCHDOG_IOCTL_BASE, 5, int)
  24. #define WDIOC_SETTIMEOUT _IOWR(WATCHDOG_IOCTL_BASE, 6, int)
  25. #define WDIOC_GETTIMEOUT _IOR(WATCHDOG_IOCTL_BASE, 7, int)
  26. #define WDIOC_SETPRETIMEOUT _IOWR(WATCHDOG_IOCTL_BASE, 8, int)
  27. #define WDIOC_GETPRETIMEOUT _IOR(WATCHDOG_IOCTL_BASE, 9, int)
  28. #define WDIOC_GETTIMELEFT _IOR(WATCHDOG_IOCTL_BASE, 10, int)
  29. #define WDIOF_UNKNOWN -1 /* Unknown flag error */
  30. #define WDIOS_UNKNOWN -1 /* Unknown status error */
  31. #define WDIOF_OVERHEAT 0x0001 /* Reset due to CPU overheat */
  32. #define WDIOF_FANFAULT 0x0002 /* Fan failed */
  33. #define WDIOF_EXTERN1 0x0004 /* External relay 1 */
  34. #define WDIOF_EXTERN2 0x0008 /* External relay 2 */
  35. #define WDIOF_POWERUNDER 0x0010 /* Power bad/power fault */
  36. #define WDIOF_CARDRESET 0x0020 /* Card previously reset the CPU */
  37. #define WDIOF_POWEROVER 0x0040 /* Power over voltage */
  38. #define WDIOF_SETTIMEOUT 0x0080 /* Set timeout (in seconds) */
  39. #define WDIOF_MAGICCLOSE 0x0100 /* Supports magic close char */
  40. #define WDIOF_PRETIMEOUT 0x0200 /* Pretimeout (in seconds), get/set */
  41. #define WDIOF_KEEPALIVEPING 0x8000 /* Keep alive ping reply */
  42. #define WDIOS_DISABLECARD 0x0001 /* Turn off the watchdog timer */
  43. #define WDIOS_ENABLECARD 0x0002 /* Turn on the watchdog timer */
  44. #define WDIOS_TEMPPANIC 0x0004 /* Kernel panic on temperature trip */
  45. #ifdef __KERNEL__
  46. #ifdef CONFIG_WATCHDOG_NOWAYOUT
  47. #define WATCHDOG_NOWAYOUT 1
  48. #else
  49. #define WATCHDOG_NOWAYOUT 0
  50. #endif
  51. #endif /* __KERNEL__ */
  52. #endif /* ifndef _LINUX_WATCHDOG_H */