usb: keep track of physical port address.

Add a path string to USBPort.  Add usb_port_location() function to set
the physical location of the usb port.  Update all drivers implementing
usb ports to call it.  Update the monitor commands to print it.  Wind it
up in qdev.

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

1 files changed, 2 insertions, 0 deletions

diff --git a/hw/usb.h b/hw/usb.h
index 99139e22e0..8fdda2971e 100644
--- a/hw/usb.h
+++ b/hw/usb.h
@@ -240,6 +240,7 @@ typedef struct USBPortOps {
 struct USBPort {
     USBDevice *dev;
     int speedmask;
+    char path[16];
     USBPortOps *ops;
     void *opaque;
     USBDevice *pdev;
@@ -354,6 +355,7 @@ USBDevice *usb_create_simple(USBBus *bus, const char *name);
 USBDevice *usbdevice_create(const char *cmdline);
 void usb_register_port(USBBus *bus, USBPort *port, void *opaque, int index,
                        USBDevice *pdev, USBPortOps *ops, int speedmask);
+void usb_port_location(USBPort *downstream, USBPort *upstream, int portnr);
 void usb_unregister_port(USBBus *bus, USBPort *port);
 int usb_device_attach(USBDevice *dev);
 int usb_device_detach(USBDevice *dev);