On Wed, Oct 25, 2023 at 05:35:51PM +0300, Yishai Hadas wrote: > > Do we want to make this only probe the correct subsystem vendor ID or do > > we want to emulate the subsystem vendor ID as well? I don't see this is > > correct without one of those options. > > Looking in the 1.x spec we can see the below. > > Legacy Interfaces: A Note on PCI Device Discovery > > "Transitional devices MUST have the PCI Subsystem > Device ID matching the Virtio Device ID, as indicated in section 5 ... > This is to match legacy drivers." > > However, there is no need to enforce Subsystem Vendor ID. > > This is what we followed here. > > Makes sense ? Won't work for legacy windows drivers. -- MST
