usb: add attach callback

Add handle_attach() callback to USBDeviceInfo which is called by the
generic package handler when the device is attached to the usb bus
(i.e. plugged into a port).

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/hw/usb.h b/hw/usb.h
index 407a11465a..892ff724ff 100644
--- a/hw/usb.h
+++ b/hw/usb.h
@@ -194,6 +194,11 @@ struct USBDeviceInfo {
     void (*handle_destroy)(USBDevice *dev);
 
     /*
+     * Attach the device
+     */
+    void (*handle_attach)(USBDevice *dev);
+
+    /*
      * Reset the device
      */
     void (*handle_reset)(USBDevice *dev);