<!-- A Relax NG schema for the libvirt capabilities XML format -->
<grammar xmlns="http://relaxng.org/ns/structure/1.0"
    datatypeLibrary="http://www.w3.org/2001/XMLSchema-datatypes">
  <include href='basictypes.rng'/>
  <start>
    <ref name='capabilities'/>
  </start>


  <define name='capabilities'>
    <element name='capabilities'>
      <ref name='hostcaps'/>

      <zeroOrMore>
        <ref name='guestcaps'/>
      </zeroOrMore>
    </element>
  </define>

  <define name='hostcaps'>
    <element name='host'>
      <optional>
        <element name='uuid'>
          <ref name='UUID'/>
        </element>
      </optional>
      <element name='cpu'>
        <element name='arch'>
          <ref name='archnames'/>
        </element>
        <optional>
          <ref name='cpufeatures'/>
        </optional>
        <optional>
          <ref name='cpuspec'/>
        </optional>
      </element>
      <optional>
        <ref name='power_management'/>
      </optional>
      <optional>
        <ref name='migration'/>
      </optional>
      <optional>
        <ref name='topology'/>
      </optional>
      <optional>
        <ref name='secmodel'/>
      </optional>
    </element>
  </define>

  <define name='secmodel'>
    <element name='secmodel'>
      <element name='model'>
        <text/>
      </element>
      <element name='doi'>
        <text/>
      </element>
    </element>
  </define>


  <define name='cpufeatures'>
    <element name='features'>
      <optional>
        <element name='pae'><empty/></element>
      </optional>
      <optional>
        <element name='nonpae'><empty/></element>
      </optional>
      <optional>
        <element name='vmx'><empty/></element>
      </optional>
      <optional>
        <element name='svm'><empty/></element>
      </optional>
    </element>
  </define>

  <define name='cpuspec'>
    <element name='model'>
      <text/>
    </element>
    <optional>
      <element name='vendor'>
        <text/>
      </element>
    </optional>
    <element name='topology'>
      <attribute name='sockets'>
        <ref name='positiveInteger'/>
      </attribute>
      <attribute name='cores'>
        <ref name='positiveInteger'/>
      </attribute>
      <attribute name='threads'>
        <ref name='positiveInteger'/>
      </attribute>
    </element>
    <zeroOrMore>
      <element name='feature'>
        <attribute name='name'>
          <ref name='featureName'/>
        </attribute>
        <empty/>
      </element>
    </zeroOrMore>
  </define>

  <define name='power_management'>
    <element name='power_management'>
      <interleave>
        <optional>
          <element name='suspend_mem'>
            <empty/>
          </element>
        </optional>
        <optional>
          <element name='suspend_disk'>
            <empty/>
          </element>
        </optional>
        <optional>
          <element name='suspend_hybrid'>
            <empty/>
          </element>
        </optional>
      </interleave>
    </element>
  </define>

  <define name='migration'>
    <element name='migration_features'>
      <optional>
        <element name='live'>
          <empty/>
        </element>
      </optional>
      <optional>
        <element name='uri_transports'>
          <oneOrMore>
            <element name='uri_transport'>
              <choice>
                <value>esx</value>
                <value>tcp</value>
                <value>xenmigr</value>
              </choice>
            </element>
          </oneOrMore>
        </element>
      </optional>
    </element>
  </define>

  <define name='topology'>
    <element name='topology'>
      <element name='cells'>
        <attribute name='num'>
          <ref name='unsignedInt'/>
        </attribute>
        <oneOrMore>
          <ref name='cell'/>
        </oneOrMore>
      </element>
    </element>
  </define>

  <define name='cell'>
    <element name='cell'>
      <attribute name='id'>
        <ref name='unsignedInt'/>
      </attribute>

      <optional>
        <element name='cpus'>
          <attribute name='num'>
            <ref name='unsignedInt'/>
          </attribute>
          <oneOrMore>
            <ref name='cpu'/>
          </oneOrMore>
        </element>
      </optional>
    </element>
  </define>

  <define name='cpu'>
    <element name='cpu'>
      <attribute name='id'>
        <ref name='unsignedInt'/>
      </attribute>
    </element>
  </define>

  <define name='guestcaps'>
    <element name='guest'>
      <ref name='ostype'/>
      <ref name='arch'/>
      <optional>
        <ref name='features'/>
      </optional>
    </element>
  </define>

  <define name='ostype'>
    <element name='os_type'>
      <choice>
        <value>xen</value> <!-- Xen 3.0 pv -->
        <value>linux</value> <!-- same as 'xen' - legacy -->
        <value>hvm</value> <!-- unmodified OS -->
        <value>exe</value> <!-- For container based virt -->
        <value>uml</value> <!-- user mode linux -->
      </choice>
    </element>
  </define>

  <define name='arch'>
    <element name='arch'>
      <attribute name='name'>
        <ref name='archnames'/>
      </attribute>
      <ref name='wordsize'/>
      <optional>
        <ref name='emulator'/>
      </optional>
      <optional>
        <ref name='loader'/>
      </optional>
      <zeroOrMore>
        <ref name='machine'/>
      </zeroOrMore>
      <oneOrMore>
        <ref name='domain'/>
      </oneOrMore>
    </element>
  </define>

  <define name='emulator'>
    <element name='emulator'>
      <ref name='absFilePath'/>
    </element>
  </define>

  <define name='loader'>
    <element name='loader'>
      <ref name='absFilePath'/>
    </element>
  </define>

  <define name='wordsize'>
    <element name='wordsize'>
      <choice>
        <value>31</value>
        <value>32</value>
        <value>64</value>
      </choice>
    </element>
  </define>

  <define name='machine'>
    <element name='machine'>
      <optional>
        <attribute name='canonical'>
          <text/>
        </attribute>
      </optional>
      <text/>
    </element>
  </define>

  <define name='domain'>
    <element name='domain'>
      <attribute name='type'>
        <choice>
          <value>qemu</value>
          <value>kqemu</value>
          <value>kvm</value>
          <value>xen</value>
          <value>uml</value>
          <value>lxc</value>
          <value>openvz</value>
          <value>test</value>
        </choice>
      </attribute>

      <optional>
        <ref name='emulator'/>
      </optional>
      <zeroOrMore>
        <ref name='machine'/>
      </zeroOrMore>
    </element>
  </define>

  <define name='features'>
    <element name='features'>
      <optional>
        <element name='pae'>
          <empty/>
        </element>
      </optional>
      <optional>
        <element name='nonpae'>
          <empty/>
        </element>
      </optional>
      <optional>
        <element name='ia64_be'>
          <empty/>
        </element>
      </optional>
      <optional>
        <element name='acpi'>
          <ref name='featuretoggle'/>
          <empty/>
        </element>
      </optional>
      <optional>
        <element name='apic'>
          <ref name='featuretoggle'/>
          <empty/>
        </element>
      </optional>
      <optional>
        <element name='cpuselection'>
          <empty/>
        </element>
      </optional>
      <optional>
        <element name='deviceboot'>
          <empty/>
        </element>
      </optional>
    </element>
  </define>

  <define name='featuretoggle'>
    <attribute name='toggle'>
      <choice>
        <value>yes</value>
        <value>no</value>
      </choice>
    </attribute>
    <attribute name='default'>
      <choice>
        <value>on</value>
        <value>off</value>
      </choice>
    </attribute>
  </define>

  <define name='archnames'>
    <choice>
      <value>arm</value>
      <value>i686</value>
      <value>ia64</value>
      <value>microblaze</value>
      <value>microblazeel</value>
      <value>mips</value>
      <value>mipsel</value>
      <value>ppc64</value>
      <value>ppc</value>
      <value>s390</value>
      <value>sparc</value>
      <value>x86_64</value>
    </choice>
  </define>

  <define name='featureName'>
    <data type='string'>
      <param name='pattern'>[a-zA-Z0-9\-_]+</param>
    </data>
  </define>
</grammar>
