<?xml version="1.0"?>
<!-- A Relax NG schema for the libvirt storage pool XML format -->
<grammar xmlns="http://relaxng.org/ns/structure/1.0"
    datatypeLibrary="http://www.w3.org/2001/XMLSchema-datatypes">
  <start>
    <ref name='pool'/>
  </start>


  <define name='pool'>
    <element name='pool'>
      <choice>
        <ref name='pooldir'/>
        <ref name='poolfs'/>
        <ref name='poolnetfs'/>
        <ref name='poollogical'/>
        <ref name='pooldisk'/>
        <ref name='pooliscsi'/>
        <ref name='poolscsi'/>
        <ref name='poolmpath'/>
      </choice>
    </element>
  </define>

  <define name='pooldir'>
    <attribute name='type'>
      <value>dir</value>
    </attribute>
    <ref name='commonmetadata'/>
    <ref name='sizing'/>
    <ref name='sourcedir'/>
    <ref name='target'/>
  </define>

  <define name='poolfs'>
    <attribute name='type'>
      <value>fs</value>
    </attribute>
    <ref name='commonmetadata'/>
    <ref name='sizing'/>
    <ref name='sourcefs'/>
    <ref name='target'/>
  </define>

  <define name='poolnetfs'>
    <attribute name='type'>
      <value>netfs</value>
    </attribute>
    <ref name='commonmetadata'/>
    <ref name='sizing'/>
    <ref name='sourcenetfs'/>
    <ref name='target'/>
  </define>

  <define name='poollogical'>
    <attribute name='type'>
      <value>logical</value>
    </attribute>
    <ref name='commonmetadata'/>
    <ref name='sizing'/>
    <ref name='sourcelogical'/>
    <ref name='target'/>
  </define>

  <define name='pooldisk'>
    <attribute name='type'>
      <value>disk</value>
    </attribute>
    <ref name='commonmetadata'/>
    <ref name='sizing'/>
    <ref name='sourcedisk'/>
    <ref name='target'/>
  </define>

  <define name='pooliscsi'>
    <attribute name='type'>
      <value>iscsi</value>
    </attribute>
    <ref name='commonmetadata'/>
    <ref name='sizing'/>
    <ref name='sourceiscsi'/>
    <ref name='target'/>
  </define>

  <define name='poolscsi'>
    <attribute name='type'>
      <value>scsi</value>
    </attribute>
    <ref name='commonmetadata'/>
    <ref name='sizing'/>
    <ref name='sourcescsi'/>
    <ref name='target'/>
  </define>

  <define name='poolmpath'>
    <attribute name='type'>
      <value>mpath</value>
    </attribute>
    <ref name='commonmetadata'/>
    <ref name='sizing'/>
    <optional>
      <ref name='sourcempath'/>
    </optional>
    <ref name='target'/>
  </define>

  <define name='sourceinfovendor'>
    <optional>
      <element name='vendor'>
        <attribute name='name'>
          <text/>
        </attribute>
      </element>
    </optional>
    <optional>
      <element name='product'>
        <attribute name='name'>
          <text/>
        </attribute>
      </element>
    </optional>
  </define>

  <define name='commonmetadata'>
    <element name='name'>
      <ref name='name'/>
    </element>
    <optional>
      <element name='uuid'>
        <ref name='uuid'/>
      </element>
    </optional>
  </define>

  <define name='sizing'>
    <optional>
      <element name='capacity'>
        <ref name='uint'/>
      </element>
    </optional>
    <optional>
      <element name='allocation'>
        <ref name='uint'/>
      </element>
    </optional>
    <optional>
      <element name='available'>
        <ref name='uint'/>
      </element>
    </optional>
  </define>

  <define name='permissions'>
    <optional>
      <element name='permissions'>
        <element name='mode'>
          <ref name='uint'/>
        </element>
        <element name='owner'>
          <ref name='uint'/>
        </element>
        <element name='group'>
          <ref name='uint'/>
        </element>
        <optional>
          <element name='label'>
            <text/>
        </element>
        </optional>
      </element>
    </optional>
  </define>

  <define name='target'>
    <element name='target'>
      <optional>
        <element name='path'>
          <ref name='path'/>
        </element>
      </optional>
      <ref name='permissions'/>
    </element>
  </define>

  <define name='sourceinfohost'>
    <element name='host'>
      <attribute name='name'>
        <text/>
      </attribute>
      <optional>
        <attribute name='port'>
          <ref name="PortNumber"/>
        </attribute>
      </optional>
      <empty/>
    </element>
  </define>

  <define name='sourceinfodev'>
    <element name='device'>
      <attribute name='path'>
        <choice>
          <ref name='path'/>
          <ref name='name'/>
        </choice>
      </attribute>
      <choice>
        <empty/>
        <ref name='devextents'/>
      </choice>
    </element>
  </define>

  <define name='initiatorinfo'>
    <element name='initiator'>
      <element name='iqn'>
        <attribute name='name'>
          <text/>
        </attribute>
        <empty/>
      </element>
    </element>
  </define>

  <define name='devextents'>
    <oneOrMore>
      <element name='freeExtent'>
        <attribute name='start'>
          <ref name='uint'/>
        </attribute>
        <attribute name='end'>
          <ref name='uint'/>
        </attribute>
      </element>
    </oneOrMore>
  </define>

  <define name='sourceinfodir'>
    <element name='dir'>
      <attribute name='path'>
        <ref name='path'/>
      </attribute>
      <empty/>
    </element>
  </define>

  <define name='sourceinfoadapter'>
    <element name='adapter'>
      <attribute name='name'>
        <text/>
      </attribute>
      <empty/>
    </element>
  </define>

  <define name='sourceinfoname'>
    <element name='name'>
      <text/>
    </element>
  </define>

  <define name='sourceinfoauth'>
    <element name='auth'>
      <attribute name='type'>
        <choice>
          <value>chap</value>
        </choice>
      </attribute>
      <attribute name='login'>
        <text/>
      </attribute>
      <attribute name='passwd'>
        <text/>
      </attribute>
    </element>
  </define>

  <define name='sourcefmtfs'>
    <optional>
      <element name='format'>
        <attribute name='type'>
          <choice>
            <value>auto</value>
            <value>ext2</value>
            <value>ext3</value>
            <value>ext4</value>
            <value>ufs</value>
            <value>iso9660</value>
            <value>udf</value>
            <value>gfs</value>
            <value>gfs2</value>
            <value>vfat</value>
            <value>hfs+</value>
            <value>xfs</value>
            <value>ocfs2</value>
          </choice>
        </attribute>
      </element>
    </optional>
  </define>


  <define name='sourcefmtnetfs'>
    <optional>
      <element name='format'>
        <attribute name='type'>
          <choice>
            <value>auto</value>
            <value>nfs</value>
          </choice>
        </attribute>
        <optional>
          <ref name='sourceinfovendor'/>
        </optional>
      </element>
    </optional>
  </define>


  <define name='sourcefmtdisk'>
    <optional>
      <element name='format'>
        <attribute name='type'>
          <choice>
            <value>none</value>
            <value>dos</value>
            <value>dvh</value>
            <value>gpt</value>
            <value>mac</value>
            <value>bsd</value>
            <value>pc98</value>
            <value>sun</value>
            <value>lvm2</value>
          </choice>
        </attribute>
        <optional>
          <ref name='sourceinfovendor'/>
        </optional>
      </element>
    </optional>
  </define>


  <define name='sourcefmtlogical'>
    <optional>
      <element name='format'>
        <attribute name='type'>
          <choice>
            <value>auto</value>
            <value>lvm2</value>
          </choice>
        </attribute>
        <optional>
          <ref name='sourceinfovendor'/>
        </optional>
      </element>
    </optional>
  </define>


  <define name='sourcedir'>
    <optional>
      <element name='source'>
        <empty/>
        <optional>
          <ref name='sourceinfovendor'/>
        </optional>
      </element>
    </optional>
  </define>

  <define name='sourcefs'>
    <element name='source'>
      <ref name='sourceinfodev'/>
      <ref name='sourcefmtfs'/>
      <optional>
        <ref name='sourceinfovendor'/>
      </optional>
    </element>
  </define>

  <define name='sourcenetfs'>
    <element name='source'>
      <ref name='sourceinfohost'/>
      <ref name='sourceinfodir'/>
      <ref name='sourcefmtnetfs'/>
      <optional>
        <ref name='sourceinfovendor'/>
      </optional>
    </element>
  </define>

  <define name='sourcelogical'>
    <element name='source'>
      <oneOrMore>
        <optional>
          <ref name='sourceinfoname'/>
        </optional>
        <optional>
          <ref name='sourceinfodev'/>
        </optional>
      </oneOrMore>
      <ref name='sourcefmtlogical'/>
      <optional>
        <ref name='sourceinfovendor'/>
      </optional>
    </element>
  </define>

  <define name='sourcedisk'>
    <element name='source'>
      <ref name='sourceinfodev'/>
      <ref name='sourcefmtdisk'/>
      <optional>
        <ref name='sourceinfovendor'/>
      </optional>
    </element>
  </define>

  <define name='sourceiscsi'>
    <element name='source'>
      <ref name='sourceinfohost'/>
      <ref name='sourceinfodev'/>
      <optional>
        <ref name='initiatorinfo'/>
      </optional>
      <optional>
        <ref name='sourceinfoauth'/>
      </optional>
      <optional>
        <ref name='sourceinfovendor'/>
      </optional>
    </element>
  </define>

  <define name='sourcescsi'>
    <element name='source'>
      <ref name='sourceinfoadapter'/>
      <optional>
        <ref name='sourceinfovendor'/>
      </optional>

    </element>
  </define>

  <define name='sourcempath'>
    <element name='source'>
      <empty/>
    </element>
  </define>

  <define name='name'>
    <data type='string'>
      <param name="pattern">[a-zA-Z0-9_\+\-]+</param>
    </data>
  </define>
  <define name='uuid'>
    <choice>
      <data type='string'>
        <param name="pattern">[a-fA-F0-9]{32}</param>
      </data>
      <data type='string'>
        <param name="pattern">[a-fA-F0-9]{8}\-([a-fA-F0-9]{4}\-){3}[a-fA-F0-9]{12}</param>
      </data>
    </choice>
  </define>

  <define name='uint'>
    <data type='string'>
      <param name="pattern">[0-9]+</param>
    </data>
  </define>

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

  <define name="PortNumber">
    <data type="short">
      <param name="minInclusive">-1</param>
    </data>
  </define>

</grammar>
