[virtio-dev] RE: [virtio-comment] Re: [virtio-dev] [PATCH 08/11] transport-pci: Introduce virtio extended capability

Parav Pandit
2023-04-11T14:31:03Z

> From: Michael S. Tsirkin <mst@redhat.com>
> Sent: Tuesday, April 11, 2023 10:10 AM
>
> well, of course, my question was for a new, future device, can we put all
> capabilities in the extended space? will we be able to teach bios to access
> these?
Cannot speak for BIOS vendors,
but from PCI spec side, the extended capability exists for more than a decade ago.
ACS, SR-IOV etc are part of extended.

We still need to teach BIOS for the new device where to look for.