在 2013-01-02三的 10:22 +0000，Daniel P. Berrange写道： > On Wed, Dec 26, 2012 at 09:00:06AM +0800, liguang wrote: > > Now, it's unnecessary 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 devices then attach 1 to the other > > as a subordinate pci-bus, so, 2 pci-buses appear. > > for example: > > <pci-bridge type='root'/> > > <pci-bridge type='subordinate'> > > <address type='pci-bridge' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/> > > </pci-bridge> > > > We shouldn't be introducing a new <pci-bridge> device for this. The > existing <controller> element is intended to handle all types of bus > devices. Just need to define a new controller type. okay, let me try to do it. > > Daniel -- regards! li guang -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list