virtio: configuration change callback

[linux-2.6-omap-h63xx.git] / include / linux / virtio.h

diff --git a/include/linux/virtio.h b/include/linux/virtio.h
index 951d81747b4212444faf356f787d4676b8353b98..78408d5237c166950d9298eb83029fca9363342f 100644 (file)
--- a/include/linux/virtio.h
+++ b/include/linux/virtio.h
@@ -98,12 +98,15 @@ void unregister_virtio_device(struct virtio_device *dev);
  * @probe: the function to call when a device is found.  Returns a token for
  *    remove, or PTR_ERR().
  * @remove: the function when a device is removed.
+ * @config_changed: optional function to call when the device configuration
+ *    changes; may be called in interrupt context.
  */
 struct virtio_driver {
        struct device_driver driver;
        const struct virtio_device_id *id_table;
        int (*probe)(struct virtio_device *dev);
        void (*remove)(struct virtio_device *dev);
+       void (*config_changed)(struct virtio_device *dev);
 };
 
 int register_virtio_driver(struct virtio_driver *drv);