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| author | Wim Van Sebroeck <wim@iguana.be> | 2011-07-22 22:56:38 +0400 |
|---|---|---|
| committer | Wim Van Sebroeck <wim@iguana.be> | 2011-07-28 12:01:05 +0400 |
| commit | 2fa03560ab3a6dd83cad9bfd5692179fc2ceabb3 (patch) | |
| tree | b208649368917b6c8d16c5cc737b2b83e906d074 /include/linux/watchdog.h | |
| parent | 43316044d4f64da008d6aca7d4b60771b9a24eb8 (diff) | |
| download | linux-2fa03560ab3a6dd83cad9bfd5692179fc2ceabb3.tar.xz | |
watchdog: WatchDog Timer Driver Core - Add basic ioctl functionality
This part add's the basic ioctl functionality to the
WatchDog Timer Driver Core framework. The supported
ioctl call's are:
WDIOC_GETSUPPORT
WDIOC_GETSTATUS
WDIOC_GETBOOTSTATUS
Signed-off-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Diffstat (limited to 'include/linux/watchdog.h')
| -rw-r--r-- | include/linux/watchdog.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/watchdog.h b/include/linux/watchdog.h index 5ab31bfd2906..29ff80807dd4 100644 --- a/include/linux/watchdog.h +++ b/include/linux/watchdog.h @@ -68,6 +68,7 @@ struct watchdog_device; * @start: The routine for starting the watchdog device. * @stop: The routine for stopping the watchdog device. * @ping: The routine that sends a keepalive ping to the watchdog device. + * @status: The routine that shows the status of the watchdog device. * * The watchdog_ops structure contains a list of low-level operations * that control a watchdog device. It also contains the module that owns @@ -81,12 +82,14 @@ struct watchdog_ops { int (*stop)(struct watchdog_device *); /* optional operations */ int (*ping)(struct watchdog_device *); + unsigned int (*status)(struct watchdog_device *); }; /** struct watchdog_device - The structure that defines a watchdog device * * @info: Pointer to a watchdog_info structure. * @ops: Pointer to the list of watchdog operations. + * @bootstatus: Status of the watchdog device at boot. * @driver-data:Pointer to the drivers private data. * @status: Field that contains the devices internal status bits. * @@ -99,6 +102,7 @@ struct watchdog_ops { struct watchdog_device { const struct watchdog_info *info; const struct watchdog_ops *ops; + unsigned int bootstatus; void *driver_data; unsigned long status; /* Bit numbers for status flags */ |