> From: Michael S. Tsirkin <mst@xxxxxxxxxx> > Sent: Thursday, October 26, 2023 6:45 PM > > Followed by an open coded driver check for 0x1000 to 0x103f range. > > Do you mean windows driver expects specific subsystem vendor id of 0x1af4? > > Look it up, it's open source. Those are not OS inbox drivers anyway. :) The current vfio driver is following the virtio spec based on legacy spec, 1.x spec following the transitional device sections. There is no need to do something out of spec at this point.