Index: uspace/lib/usbvirt/include/usbvirt/device.h
===================================================================
--- uspace/lib/usbvirt/include/usbvirt/device.h	(revision dc06caa563afa95e8dd424ec2cee7abef3a78d47)
+++ uspace/lib/usbvirt/include/usbvirt/device.h	(revision 7ab7c7f682acb2b85b576ebffa9c394b68bd0feb)
@@ -194,7 +194,12 @@
 	 */
 	usbvirt_device_state_t state;
+	/** Phone to the host controller.
+	 * You shall treat this field as read only in your code.
+	 */
+	int vhc_phone;
 };
 
 int usbvirt_device_plug(usbvirt_device_t *, const char *);
+void usbvirt_device_unplug(usbvirt_device_t *);
 
 void usbvirt_control_reply_helper(const usb_device_request_setup_packet_t *,
Index: uspace/lib/usbvirt/include/usbvirt/ipc.h
===================================================================
--- uspace/lib/usbvirt/include/usbvirt/ipc.h	(revision dc06caa563afa95e8dd424ec2cee7abef3a78d47)
+++ uspace/lib/usbvirt/include/usbvirt/ipc.h	(revision 7ab7c7f682acb2b85b576ebffa9c394b68bd0feb)
@@ -46,10 +46,12 @@
 	IPC_M_USBVIRT_CONTROL_WRITE,
 	IPC_M_USBVIRT_INTERRUPT_IN,
-	IPC_M_USBVIRT_INTERRUPT_OUT
+	IPC_M_USBVIRT_INTERRUPT_OUT,
+	IPC_M_USBVIRT_BULK_IN,
+	IPC_M_USBVIRT_BULK_OUT
 } usbvirt_hc_to_device_method_t;
 
-int usbvirt_ipc_send_control_read(int, usb_endpoint_t, void *, size_t,
+int usbvirt_ipc_send_control_read(int, void *, size_t,
     void *, size_t, size_t *);
-int usbvirt_ipc_send_control_write(int, usb_endpoint_t, void *, size_t,
+int usbvirt_ipc_send_control_write(int, void *, size_t,
     void *, size_t);
 int usbvirt_ipc_send_data_in(int, usb_endpoint_t, usb_transfer_type_t,