Documentation/watchdog/watchdog-kernel-api.rst

5 Last reviewed: 12-Feb-2013
10 ------------
14 file: Documentation/watchdog/watchdog-api.rst .
24 -------
83 * timeout: the watchdog timer's timeout value (in seconds).
86 * pretimeout: the watchdog timer's pretimeout value (in seconds).
87 * min_timeout: the watchdog timer's minimum timeout value (in seconds).
89 * max_timeout: the watchdog timer's maximum timeout value (in seconds),
91   'timeout'. Not used if max_hw_heartbeat_ms is non-zero.
93   in milli-seconds. This value is normally 0; it should only be provided
95 * max_hw_heartbeat_ms: Maximum hardware heartbeat, in milli-seconds.
99   seconds. max_hw_heartbeat_ms must be set if a driver does not implement
106   should define ops->restart. Priority can be changed through
191   timer device. It returns 0 on success, -EINVAL for "parameter out of range"
192   and -EIO for "could not write value to the watchdog". On success this
218   seconds before the actual timeout would happen. It returns 0 on success,
219   -EINVAL for "parameter out of range" and -EIO for "could not write value to
235   our own internal ioctl call handling. This routine should return -ENOIOCTLCMD
240 bit-operations. The status bits that are defined are:
299 using the module timeout parameter or by retrieving the timeout-sec property from