User's Manual

Doc #: 1ANSU-160004
DNI SGDC-D22 User Manual
i. 32
The WDT interface IOCTL options:
IOCTL Code
Usages
WDIOC_GETSUPPORT
The fields returned in the ident structure are:
identity: A string identifying the watchdog driver firmware_version: the firmware
version of the card if available.
options: A flags describing what the device supports.
WDIOC_KEEPALIVE
This ioctl does exactly the same thing as a write to the watchdog device and hence
refreshes the timer
WDIOC_SETTIMEOUT
Set time out in seconds, after which reset would be generated (if WDT is not
refreshed)
WDIOC_GETTIMEOUT
Query the current timeout