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authorWim Van Sebroeck <wim@iguana.be>2011-07-22 18:58:21 +0000
committerWim Van Sebroeck <wim@iguana.be>2011-07-28 08:01:11 +0000
commit014d694e5d59e4219803cd14deaae496d86e4910 (patch)
treec79d00c812b6f01fc477318cbcc003e2826f9f24 /include/linux/watchdog.h
parent234445b4e4542f3e0f216459245ab369a18adcf2 (diff)
watchdog: WatchDog Timer Driver Core - Add WDIOC_SETTIMEOUT and WDIOC_GETTIMEOUT ioctl
This part add's the WDIOC_SETTIMEOUT and WDIOC_GETTIMEOUT ioctl functionality to the WatchDog Timer Driver Core framework. 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.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/watchdog.h b/include/linux/watchdog.h
index db46fe89563e..9f33efe199d1 100644
--- a/include/linux/watchdog.h
+++ b/include/linux/watchdog.h
@@ -69,6 +69,7 @@ struct 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.
+ * @set_timeout:The routine for setting the watchdog devices timeout value.
*
* The watchdog_ops structure contains a list of low-level operations
* that control a watchdog device. It also contains the module that owns
@@ -83,6 +84,7 @@ struct watchdog_ops {
/* optional operations */
int (*ping)(struct watchdog_device *);
unsigned int (*status)(struct watchdog_device *);
+ int (*set_timeout)(struct watchdog_device *, unsigned int);
};
/** struct watchdog_device - The structure that defines a watchdog device
@@ -90,6 +92,7 @@ struct watchdog_ops {
* @info: Pointer to a watchdog_info structure.
* @ops: Pointer to the list of watchdog operations.
* @bootstatus: Status of the watchdog device at boot.
+ * @timeout: The watchdog devices timeout value.
* @driver-data:Pointer to the drivers private data.
* @status: Field that contains the devices internal status bits.
*
@@ -103,6 +106,7 @@ struct watchdog_device {
const struct watchdog_info *info;
const struct watchdog_ops *ops;
unsigned int bootstatus;
+ unsigned int timeout;
void *driver_data;
unsigned long status;
/* Bit numbers for status flags */