Messages in this thread | | | Date | Thu, 12 Nov 2020 09:10:26 -0400 | From | Jason Gunthorpe <> | Subject | Re: [PATCH v4 06/17] PCI: add SIOV and IMS capability detection |
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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
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