On 11/21/2013 04:36 AM, Eric Farman wrote: > For systems without a PCI bus, attaching a SCSI controller fails: > > [root@xxxxxxxx ~]# cat controller.xml > <controller type='scsi' model='virtio-scsi' index='0' /> > [root@xxxxxxxx ~]# virsh attach-device guest01 controller.xml > error: Failed to attach device from controller.xml > error: XML error: No PCI buses available > > A similar problem occurs with the detach of a controller: > > [root@xxxxxxxx ~]# virsh detach-device guest01 controller.xml > error: Failed to detach device from controller.xml > error: operation failed: controller scsi:0 not found > > The qemuDomainXXtachPciControllerDevice routines made assumptions > that any caller had a PCI bus. These routines now selectively calls > PCI functions where necessary, and assigns the device information > type to one appropriate for the bus in use. > > Signed-off-by: Eric Farman <[email protected]> > --- > src/qemu/qemu_hotplug.c | 41 +++++++++++++++++++++++++++++++++-------- > 1 file changed, 33 insertions(+), 8 deletions(-) >
ACK and I've pushed the series with the following changes:
> +
> + if (controller->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE ||
> + controller->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI) {
> + if (qemuDomainPCIAddressEnsureAddr(priv->pciaddrs,
> &controller->info) < 0)
> + goto cleanup;
> + } else if (controller->info.type ==
> VIR_DOMAIN_DEVICE_ADDRESS_TYPE_CCW) {
> + if (qemuDomainCCWAddressAssign(&controller->info,
> priv->ccwaddrs, true) < 0)
I have changed this to:
if (qemuDomainCCWAddressAssign(&controller->info, priv->ccwaddrs,
!controller->info.addr.ccw.assigned) < 0)
to prevent overwriting the user-requested address and match the other
CCWAddressAssign calls
> + goto cleanup;
> + }
> releaseaddr = true;
> if (qemuAssignDeviceControllerAlias(controller) < 0)
> goto cleanup;
> + }
> +
> + if (detach->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI &&
s/!=/==/
> + qemuIsMultiFunctionDevice(vm->def, &detach->info)) {
> virReportError(VIR_ERR_OPERATION_FAILED,
> _("cannot hot unplug multifunction PCI device: %s"),
> dev->data.disk->dst);
>
Jan
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