summaryrefslogtreecommitdiffstats
path: root/kernel/include/uapi/linux/watchdog.h
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/include/uapi/linux/watchdog.h')
-rw-r--r--kernel/include/uapi/linux/watchdog.h57
1 files changed, 57 insertions, 0 deletions
diff --git a/kernel/include/uapi/linux/watchdog.h b/kernel/include/uapi/linux/watchdog.h
new file mode 100644
index 000000000..2babe7287
--- /dev/null
+++ b/kernel/include/uapi/linux/watchdog.h
@@ -0,0 +1,57 @@
+/*
+ * Generic watchdog defines. Derived from..
+ *
+ * Berkshire PC Watchdog Defines
+ * by Ken Hollis <khollis@bitgate.com>
+ *
+ */
+
+#ifndef _UAPI_LINUX_WATCHDOG_H
+#define _UAPI_LINUX_WATCHDOG_H
+
+#include <linux/ioctl.h>
+#include <linux/types.h>
+
+#define WATCHDOG_IOCTL_BASE 'W'
+
+struct watchdog_info {
+ __u32 options; /* Options the card/driver supports */
+ __u32 firmware_version; /* Firmware version of the card */
+ __u8 identity[32]; /* Identity of the board */
+};
+
+#define WDIOC_GETSUPPORT _IOR(WATCHDOG_IOCTL_BASE, 0, struct watchdog_info)
+#define WDIOC_GETSTATUS _IOR(WATCHDOG_IOCTL_BASE, 1, int)
+#define WDIOC_GETBOOTSTATUS _IOR(WATCHDOG_IOCTL_BASE, 2, int)
+#define WDIOC_GETTEMP _IOR(WATCHDOG_IOCTL_BASE, 3, int)
+#define WDIOC_SETOPTIONS _IOR(WATCHDOG_IOCTL_BASE, 4, int)
+#define WDIOC_KEEPALIVE _IOR(WATCHDOG_IOCTL_BASE, 5, int)
+#define WDIOC_SETTIMEOUT _IOWR(WATCHDOG_IOCTL_BASE, 6, int)
+#define WDIOC_GETTIMEOUT _IOR(WATCHDOG_IOCTL_BASE, 7, int)
+#define WDIOC_SETPRETIMEOUT _IOWR(WATCHDOG_IOCTL_BASE, 8, int)
+#define WDIOC_GETPRETIMEOUT _IOR(WATCHDOG_IOCTL_BASE, 9, int)
+#define WDIOC_GETTIMELEFT _IOR(WATCHDOG_IOCTL_BASE, 10, int)
+
+#define WDIOF_UNKNOWN -1 /* Unknown flag error */
+#define WDIOS_UNKNOWN -1 /* Unknown status error */
+
+#define WDIOF_OVERHEAT 0x0001 /* Reset due to CPU overheat */
+#define WDIOF_FANFAULT 0x0002 /* Fan failed */
+#define WDIOF_EXTERN1 0x0004 /* External relay 1 */
+#define WDIOF_EXTERN2 0x0008 /* External relay 2 */
+#define WDIOF_POWERUNDER 0x0010 /* Power bad/power fault */
+#define WDIOF_CARDRESET 0x0020 /* Card previously reset the CPU */
+#define WDIOF_POWEROVER 0x0040 /* Power over voltage */
+#define WDIOF_SETTIMEOUT 0x0080 /* Set timeout (in seconds) */
+#define WDIOF_MAGICCLOSE 0x0100 /* Supports magic close char */
+#define WDIOF_PRETIMEOUT 0x0200 /* Pretimeout (in seconds), get/set */
+#define WDIOF_ALARMONLY 0x0400 /* Watchdog triggers a management or
+ other external alarm not a reboot */
+#define WDIOF_KEEPALIVEPING 0x8000 /* Keep alive ping reply */
+
+#define WDIOS_DISABLECARD 0x0001 /* Turn off the watchdog timer */
+#define WDIOS_ENABLECARD 0x0002 /* Turn on the watchdog timer */
+#define WDIOS_TEMPPANIC 0x0004 /* Kernel panic on temperature trip */
+
+
+#endif /* _UAPI_LINUX_WATCHDOG_H */