Re: [Qemu-devel] SR-IOV PF reset and QEMU VFs VFIO passthrough

[Benoît Canet]

> >>Per the SRIOV spec, yes, but that's in PCIe ext cfg space.
> >>That area of the PCI configuration is not saved or restored by dev-reset.
> >
> >Can a callback be added so PF driver can restore this state ?
> >
> As you pointed out, no need to, unless it's a device-specific,
> PCIe cap structure.  the SRIOV caps are re-instated, as you showed above...

I think this is a device specific structure.

It would be annoying only in case of a PF FLR initiated via /sys or something
external to the PF driver because the PF driver could restore this area after it
initiate an FLR.

Best regards

Benoît Canet