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Date: Tue, 18 May 2010 09:45:42 -0300
From: Luiz Capitulino <lcapitulino@redhat.com>
Subject: Re: [Qemu-devel] [PATCH 1/2] QMP: Introduce commands doc
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To: Markus Armbruster <armbru@redhat.com>
Cc: bazulay@redhat.com, juzhang@redhat.com, Avi Kivity <avi@redhat.com>, qemu-devel@nongnu.org

On Tue, 18 May 2010 11:51:26 +0200
Markus Armbruster <armbru@redhat.com> wrote:

> Anthony Liguori <anthony@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<armbru@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?

 The plan is to merge the doc and work on all changes suggested by
Avi (always coordinating with libvirt, of course).

 Although query-pci is not used there.

> 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.

 Right.