usb: keep track of packet owner.

Keep track of the device which owns the usb packet for async processing.

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

1 files changed, 3 insertions, 15 deletions

diff --git a/hw/usb.h b/hw/usb.h
index 68894671bf..80e8e902c6 100644
--- a/hw/usb.h
+++ b/hw/usb.h
@@ -262,11 +262,14 @@ struct USBPacket {
     uint8_t *data;
     int len;
     /* Internal use by the USB layer.  */
+    USBDevice *owner;
     USBCallback *cancel_cb;
     void *cancel_opaque;
 };
 
 int usb_handle_packet(USBDevice *dev, USBPacket *p);
+void usb_packet_complete(USBDevice *dev, USBPacket *p);
+void usb_cancel_packet(USBPacket * p);
 
 /* Defer completion of a USB packet.  The hadle_packet routine should then
    return USB_RET_ASYNC.  Packets that complete immediately (before
@@ -278,21 +281,6 @@ static inline void usb_defer_packet(USBPacket *p, USBCallback *cancel,
     p->cancel_opaque = opaque;
 }
 
-/* Notify the controller that an async packet is complete.  This should only
-   be called for packets previously deferred with usb_defer_packet, and
-   should never be called from within handle_packet.  */
-static inline void usb_packet_complete(USBDevice *dev, USBPacket *p)
-{
-    dev->port->ops->complete(dev, p);
-}
-
-/* Cancel an active packet.  The packed must have been deferred with
-   usb_defer_packet,  and not yet completed.  */
-static inline void usb_cancel_packet(USBPacket * p)
-{
-    p->cancel_cb(p, p->cancel_opaque);
-}
-
 void usb_attach(USBPort *port, USBDevice *dev);
 void usb_wakeup(USBDevice *dev);
 int usb_generic_handle_packet(USBDevice *s, USBPacket *p);