Re: [SeaBIOS] [RFC v2 0/3] Support multiple pci domains in pci_device

[Zihan Yang]

Gerd Hoffmann  于2018年8月28日周二 上午10:15写道：
> Hi,
> > > Where is the pxb-pcie device?  0000:$somewhere?  Or $domain:00:00.0?
> >
> > 0000:$somewhere (On PCI domain 0)
>
> Cool, so we don't have an chicken-and-egg issue.
> > > If we can access pxb-pcie registers before configuring MMCFG then yes,
> > > we should use pxb-pcie registers for that.
> >
> > Yes, we can.
>
> Ok, so we can configure mmcfg as hidden pci bar, simliar to the q35
> mmcfg.  Any configuration hints can be passed as pci vendor capability
> (simliar to the bridge window size hints), if needed.

That sounds workable, I will modify the implementation.
> cheers,
>   Gerd

Thanks.
Zihan