Anthony Liguori <anth...@codemonkey.ws> writes: > On 05/15/2010 01:19 AM, Avi Kivity wrote: >> On 05/15/2010 01:54 AM, Luiz Capitulino wrote: >>> On Fri, 14 May 2010 19:03:36 +0200 >>> Markus Armbruster<arm...@redhat.com> wrote: >>> >>>>> What about PCI domains? >>>> Good point. Better to provide for them neatly now, instead of kludging >>>> them in later. >>> When I did this conversion I asked Micheal for help with that and >>> he said >>> QEMU doesn't support PCI domains. >> >> That's very different from "will never support pci domains". >> >> The protocol must be forward looking, or we will need endless fixes >> for it. > > But we can always add a domain property to extend the address (with a > default domain of 0).
Why not add it right away? Note that if we'd decide to adopt Avi's suggestion to make this "a nested object (list of buses, each containing a list of slots, each containing a list of functions)", then we can't easily add domains later, because that would insert a level of nesting near the top.
