On Wed, Dec 12, 2012 at 07:03:21PM +0100, Paolo Bonzini wrote: > Il 12/12/2012 18:58, Peter Maydell ha scritto: > > It should be equally > > valid to just use the PCI transport plugged into a VirtioDevice, > > both of which were created by the user with -device [and for > > new transports, separate transport and backend should be the > > standard]. That means the virtio-bus interface needs a way for > > the backend to announce to the transport what it is so that > > the PCI transport can set the right PCI IDs. > > There is such an interface (the device_id, aka VIRTIO_ID_*). Then > virtio-pci needs a mapping from the device_id to the (default) > vendor_id/device_id/class tuple. > > Paolo
At least device id and vedor id are easy.