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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 <farman@linux.vnet.ibm.com> Signed-off-by: Ján Tomko <jtomko@redhat.com>
LibVirt : simple API for virtualization
Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). It is free software
available under the GNU Lesser General Public License. Virtualization of
the Linux Operating System means the ability to run multiple instances of
Operating Systems concurrently on a single hardware system where the basic
resources are driven by a Linux instance. The library aim at providing
long term stable C API initially for the Xen paravirtualization but
should be able to integrate other virtualization mechanisms if needed.
Daniel Veillard <veillard@redhat.com>