在 2013-01-07一的 22:44 -0600，Doug Goldstein写道： > On Mon, Jan 7, 2013 at 7:58 PM, liguang <lig.fnst@xxxxxxxxxxxxxx> wrote: > > 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' bridge='0'/> > > </controller> > > <sound model='ac97'> > > <address type='pci' domain='0x0000' bus='0x01' slot='0x02' function='0x0' bridge='1'/> > > </sound> > > <video> > > <model type='cirrus' vram='9216' heads='1'/> > > <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0' bridge='0'/> > > </video> > > > > > > src/conf/device_conf.c | 11 ++++++++++- > > src/conf/device_conf.h | 1 + > > src/conf/domain_conf.c | 5 ++++- > > src/conf/domain_conf.h | 1 + > > src/qemu/qemu_command.c | 25 ++++++++++++++++++++----- > > 5 files changed, 36 insertions(+), 7 deletions(-) > > > > I had a few comments to the specific patches. I think you're missing > one part to the whole series which should probably be 1/3 in the patch > series. Adding a QEMU_CAP for PCI Bridge support and specifically > probing it or adding it where it was supported. Since we're modifying > the QEMU command line arguments this series probably needs to add some > test cases as well. > OK, thanks! -- regards! li guang -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list