summaryrefslogtreecommitdiffstats
path: root/include/linux/watchdog.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/watchdog.h')
-rw-r--r--include/linux/watchdog.h22
1 files changed, 8 insertions, 14 deletions
diff --git a/include/linux/watchdog.h b/include/linux/watchdog.h
index a88f955..850af04 100644
--- a/include/linux/watchdog.h
+++ b/include/linux/watchdog.h
@@ -17,6 +17,7 @@
struct watchdog_ops;
struct watchdog_device;
+struct watchdog_core_data;
/** struct watchdog_ops - The watchdog-devices operations
*
@@ -28,8 +29,6 @@ struct watchdog_device;
* @set_timeout:The routine for setting the watchdog devices timeout value (in seconds).
* @get_timeleft:The routine that gets the time left before a reset (in seconds).
* @restart: The routine for restarting the machine.
- * @ref: The ref operation for dyn. allocated watchdog_device structs
- * @unref: The unref operation for dyn. allocated watchdog_device structs
* @ioctl: The routines that handles extra ioctl calls.
*
* The watchdog_ops structure contains a list of low-level operations
@@ -48,15 +47,14 @@ struct watchdog_ops {
int (*set_timeout)(struct watchdog_device *, unsigned int);
unsigned int (*get_timeleft)(struct watchdog_device *);
int (*restart)(struct watchdog_device *);
- void (*ref)(struct watchdog_device *);
- void (*unref)(struct watchdog_device *);
+ void (*ref)(struct watchdog_device *) __deprecated;
+ void (*unref)(struct watchdog_device *) __deprecated;
long (*ioctl)(struct watchdog_device *, unsigned int, unsigned long);
};
/** struct watchdog_device - The structure that defines a watchdog device
*
* @id: The watchdog's ID. (Allocated by watchdog_register_device)
- * @cdev: The watchdog's Character device.
* @dev: The device for our watchdog
* @parent: The parent bus device
* @info: Pointer to a watchdog_info structure.
@@ -67,8 +65,8 @@ struct watchdog_ops {
* @max_timeout:The watchdog devices maximum timeout value (in seconds).
* @reboot_nb: The notifier block to stop watchdog on reboot.
* @restart_nb: The notifier block to register a restart function.
- * @driver-data:Pointer to the drivers private data.
- * @lock: Lock for watchdog core internal use only.
+ * @driver_data:Pointer to the drivers private data.
+ * @wd_data: Pointer to watchdog core internal data.
* @status: Field that contains the devices internal status bits.
* @deferred: entry in wtd_deferred_reg_list which is used to
* register early initialized watchdogs.
@@ -84,7 +82,6 @@ struct watchdog_ops {
*/
struct watchdog_device {
int id;
- struct cdev cdev;
struct device *dev;
struct device *parent;
const struct watchdog_info *info;
@@ -96,15 +93,12 @@ struct watchdog_device {
struct notifier_block reboot_nb;
struct notifier_block restart_nb;
void *driver_data;
- struct mutex lock;
+ struct watchdog_core_data *wd_data;
unsigned long status;
/* Bit numbers for status flags */
#define WDOG_ACTIVE 0 /* Is the watchdog running/active */
-#define WDOG_DEV_OPEN 1 /* Opened via /dev/watchdog ? */
-#define WDOG_ALLOW_RELEASE 2 /* Did we receive the magic char ? */
-#define WDOG_NO_WAY_OUT 3 /* Is 'nowayout' feature set ? */
-#define WDOG_UNREGISTERED 4 /* Has the device been unregistered */
-#define WDOG_STOP_ON_REBOOT 5 /* Should be stopped on reboot */
+#define WDOG_NO_WAY_OUT 1 /* Is 'nowayout' feature set ? */
+#define WDOG_STOP_ON_REBOOT 2 /* Should be stopped on reboot */
struct list_head deferred;
};
OpenPOWER on IntegriCloud