libvirt/tests/xlconfigdata/test-usb.xml

<domain type='xen'>
  <name>XenGuest1</name>
  <uuid>45b60f51-88a9-47a8-a3b3-5e66d71b2283</uuid>
  <memory unit='KiB'>524288</memory>
  <currentMemory unit='KiB'>524288</currentMemory>
  <vcpu placement='static'>1</vcpu>
  <bootloader>/usr/bin/pygrub</bootloader>
  <os>
    <type arch='x86_64' machine='xenpv'>linux</type>
  </os>
  <clock offset='utc' adjustment='reset'/>
  <on_poweroff>preserve</on_poweroff>
  <on_reboot>restart</on_reboot>
  <on_crash>preserve</on_crash>
  <devices>
    <disk type='file' device='disk'>
      <driver name='qemu' type='qcow2'/>
      <source file='/var/lib/xen/images/debian/disk.qcow2'/>
      <target dev='xvda' bus='xen'/>
    </disk>
    <controller type='xenbus' index='0'/>
    <interface type='ethernet'>
      <mac address='5a:36:0e:be:00:09'/>
    </interface>
    <console type='pty'>
      <target type='xen' port='0'/>
    </console>
    <input type='mouse' bus='xen'/>
    <input type='keyboard' bus='xen'/>
    <hostdev mode='subsystem' type='usb' managed='no'>
      <source>
        <address bus='1' device='3'/>
      </source>
    </hostdev>
    <memballoon model='xen'/>
  </devices>
</domain>