On Wed, Nov 11, 2020 at 03:03:21PM -0800, Raj, Ashok wrote: > By default the DVSEC is not presented to guest even when the full PF is > presented to guest. I believe VFIO only builds and presents known standard > capabilities and specific extended capabilities. I'm a bit weak but maybe > @AlexWilliamson can confirm if I'm off track. This also need to work on Hyper-V and all other cases, you can't just assume everything is vfio and kvm. It is horrible to ask people to go back an retroactively change their config space in a device just to work around all the design failings Thomas eloquantly describes :( Jason
