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Re: [libvirt] [PATCH v3 0/3] add pci-bridge support



Hi, All

any other comments?

在 2013-01-14一的 11:42 +0800,li guang写道:
> ping ...
> 
> 在 2013-01-10四的 09:04 +0800,liguang写道:
> > Now, it's impossible to arrange devices into multi-pci-bus,
> > for example:
> >    <sound model='ac97'>
> >       <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/>
> >    </sound>
> >    <video>
> >       <model type='cirrus' vram='9216' heads='1'/>
> >       <address type='pci' domain='0x0000' bus='0x1' slot='0x02' function='0x0'/>
> >    </video>
> > libvirt will complain about "bus != 0",
> > fortunately, qemu supports pci-to-pci bridge,
> > if we want to use multi-pci-bus, we can define
> > 2 pci bridge controllers, then attach 1 to the other
> > as a subordinate pci-bus, so, 2 pci-buses appear.
> > for example:
> >    <controller type='pci-bridge' index='0'/>
> >    <controller type='pci-bridge' index='1'>
> >       <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/>
> >    </controller>
> >    <sound model='ac97'>
> >       <address type='pci' domain='0x0000' bus='0x01' slot='0x02' function='0x0'/>
> >    </sound>
> >    <video>
> >       <model type='cirrus' vram='9216' heads='1'/>
> >       <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
> >    </video>
> > 
> > 
> >  src/conf/domain_conf.c        |    5 ++++-
> >  src/conf/domain_conf.h        |    1 +
> >  docs/schemas/domaincommon.rng |    1 +
> >  src/qemu/qemu_capabilities.c  |    2 +
> >  src/qemu/qemu_capabilities.h  |    1 +
> >  src/qemu/qemu_command.c       |   70 ++++++++++++++++++++-----
> >  6 files changed, 57 insertions(+), 23 deletions(-)
> 




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