virt-manager/tests/capabilities-xml/capabilities-qemu.xml

<capabilities>
  <host>
    <cpu>
      <arch>x86_64</arch>
    </cpu>
    <secmodel>
      <model>selinux</model>
      <doi>0</doi>
    </secmodel>
  </host>

  <guest>
    <os_type>hvm</os_type>
    <arch name="x86_64">
      <wordsize>64</wordsize>
      <emulator>/usr/bin/qemu-system-x86_64</emulator>
      <domain type="qemu"/>
      <machine>pc</machine>
      <machine>isapc</machine>
    </arch>
  </guest>

  <guest>
    <os_type>hvm</os_type>
    <arch name="i686">
      <wordsize>32</wordsize>
      <emulator>/usr/bin/qemu</emulator>
      <domain type="qemu"/>
      <machine>pc</machine>
      <machine>isapc</machine>
    </arch>
  </guest>

  <guest>
    <os_type>hvm</os_type>
    <arch name="mips">
      <wordsize>32</wordsize>
      <emulator>/usr/bin/qemu-system-mips</emulator>
      <domain type="qemu"/>
      <machine>mips</machine>
    </arch>
  </guest>

  <guest>
    <os_type>hvm</os_type>
    <arch name="mipsel">
      <wordsize>32</wordsize>
      <emulator>/usr/bin/qemu-system-mipsel</emulator>
      <domain type="qemu"/>
      <machine>mips</machine>
    </arch>
  </guest>

  <guest>
    <os_type>hvm</os_type>
    <arch name="sparc">
      <wordsize>32</wordsize>
      <emulator>/usr/bin/qemu-system-sparc</emulator>
      <domain type="qemu"/>
      <machine>sun4m</machine>
    </arch>
  </guest>

  <guest>
    <os_type>hvm</os_type>
    <arch name="ppc">
      <wordsize>32</wordsize>
      <emulator>/usr/bin/qemu-system-ppc</emulator>
      <domain type="qemu"/>
      <machine>g3bw</machine>
      <machine>mac99</machine>
      <machine>prep</machine>
    </arch>
  </guest>
</capabilities>