s390-default-cpu-kvm-ccw-virtio-4.2.xml

<domain type='kvm'>
  <name>test</name>
  <uuid>9aa4b45c-b9dd-45ef-91fe-862b27b4231f</uuid>
  <memory>262144</memory>
  <currentMemory>262144</currentMemory>
  <os>
    <type arch='s390x' machine='s390-ccw-virtio-4.2'>hvm</type>
  </os>
  <clock offset='utc'/>
  <on_poweroff>destroy</on_poweroff>
  <on_reboot>restart</on_reboot>
  <on_crash>destroy</on_crash>
  <devices>
    <emulator>/usr/bin/qemu-system-s390x</emulator>
  </devices>
</domain>