anchor.diff:        <backend model='<%= rng_backend_model %>'/>
   <% end -%>
       </rng>
  +<% if arch == "s390x" -%>
  +    <controller type="scsi" index="0" model="virtio-scsi"/>
  +    <console type="pty">
  +      <target type="sclp"/>
  +    </console>
  +    <memballoon model="virtio"/>
  +<% else -%>
       <serial type='pty'>
         <target port='0'/>
       </serial>
  
positive.code:   display_password = "passwd='#{display[:password]}'"
  end
  -%>
      <graphics type='<%= display_type %>' port='<%= display_port %>' autoport='<%= autoport %>' <%= display_listen %> <%= display_password %> />
      <video>
        <model type='cirrus' vram='9216' heads='1'/>
      </video>
    </devices>
  </domain>
  
negative.code:     </console>
      <input type='tablet' bus='usb'/>
      <input type='mouse' bus='ps2'/>
  <% end -%>
  <%
  display_type = display[:type]
  
  