On 01/12/2012 10:11 PM, Li Zhang wrote: > On 01/13/2012 09:56 AM, Cole Robinson wrote: >> On 12/22/2011 04:43 AM, Li Zhang wrote: >>> Hi all, >>> >>> For pseries machine, spapr-vio bus is supported. >>> A lot of devices and controller needs to use spapr-vio bus. >>> So we need to add such an option in virt-manager for user >>> to select. >>> >>> Now virt-manager only support virtio, which is a generic bus. >>> spapr-vio is a little different from it. >>> >>> Any comments? >>> >>> Any suggestion is appreciated. >>> >> >> Can you provide an example of the libvirt xml we are talking about here? >> >> Best thing to do might be to just have virtinst default to using that bus if >> installing a pseries guest. Is it something that can be used unconditionally >> or does it require guest cooperation like virtio? >> >> Thanks, >> Cole >> > > Hi Cole, > > Until now, for x86, scsi controller is based of PCI bus. > But for power, it provides another kind of bus, which is spapr-vio. > scsi controller can use spapr-vio bus. > > libvirt xml is just like this: > > <disk type='file' device='disk' > > <driver name='qemu' type='raw'/> > <source file='/mnt-old/root/rhel6/RHEL6_install.img'/> > <target dev='hdd' bus='scsi' /> > </disk> > <controller type='scsi' index='0'> > <address type='spapr-vio'/> > </controller> > > I think in virt-manager and virtinst, spapr-vio address type > should be added. > > For GUI, I am considering to add another combo to select > the address type on disk page. > > This option should be dependent on pseries machine type. > Only pseries machine type is selected, it will be enabled. > That sounds fine. Thanks, Cole
