data_model/clusters/TimeSync.xml

<?xml version="1.0"?>
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<cluster xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="types types.xsd cluster cluster.xsd" id="0x0038" name="Time Synchronization" revision="2">
  <revisionHistory>
    <revision revision="1" summary="Initial Release"/>
    <revision revision="2" summary="Make TrustedTimeSource fabric-aware, add TSC feature, define list max sizes, change writable attributes to commands, remote port, add attribute for DNS support"/>
  </revisionHistory>
  <clusterIds>
    <clusterId id="0x0038" name="Time Synchronization"/>
  </clusterIds>
  <classification hierarchy="base" role="utility" picsCode="TIMESYNC" scope="Node"/>
  <features>
    <feature bit="0" code="TZ" name="TimeZone" summary="Server supports time zone.">
      <optionalConform/>
    </feature>
    <feature bit="1" code="NTPC" name="NTPClient" summary="Server supports an NTP or SNTP client.">
      <optionalConform/>
    </feature>
    <feature bit="2" code="NTPS" name="NTPServer" summary="Server supports an NTP server role.">
      <optionalConform/>
    </feature>
    <feature bit="3" code="TSC" name="TimeSyncClient" summary="Time synchronization client cluster is present.">
      <optionalConform/>
    </feature>
  </features>
  <dataTypes>
    <enum name="GranularityEnum">
      <item value="0" name="NoTimeGranularity" summary="This indicates that the node is not currently synchronized with a UTC Time source and its clock is based on the Last Known Good UTC Time only.">
        <mandatoryConform/>
      </item>
      <item value="1" name="MinutesGranularity" summary="This indicates the node was synchronized to an upstream source in the past, but sufficient clock drift has occurred such that the clock error is now &gt; 5 seconds.">
        <mandatoryConform/>
      </item>
      <item value="2" name="SecondsGranularity" summary="This indicates the node is synchronized to an upstream source using a low resolution protocol. UTC Time is accurate to ± 5 seconds.">
        <mandatoryConform/>
      </item>
      <item value="3" name="MillisecondsGranularity" summary="This indicates the node is synchronized to an upstream source using high resolution time-synchronization protocol such as NTP, or has built-in GNSS with some amount of jitter applying its GNSS timestamp. UTC Time is accurate to ± 50ms.">
        <mandatoryConform/>
      </item>
      <item value="4" name="MicrosecondsGranularity" summary="This indicates the node is synchronized to an upstream source using a highly precise time-synchronization protocol such as PTP, or has built-in GNSS. UTC time is accurate to ± 10 μs.">
        <mandatoryConform/>
      </item>
    </enum>
    <enum name="Status Codes" type="status"/>
    <enum name="TimeZoneDatabaseEnum">
      <item value="0" name="Full" summary="Node has a full list of the available time zones">
        <mandatoryConform/>
      </item>
      <item value="1" name="Partial" summary="Node has a partial list of the available time zones">
        <mandatoryConform/>
      </item>
      <item value="2" name="None" summary="Node does not have a time zone database">
        <mandatoryConform/>
      </item>
    </enum>
    <struct name="DSTOffsetStruct">
      <field id="0" name="Offset" type="int32">
        <mandatoryConform/>
        <constraint type="desc"/>
      </field>
      <field id="1" name="ValidStarting" type="epoch-us">
        <mandatoryConform/>
      </field>
      <field id="2" name="ValidUntil" type="epoch-us">
        <quality nullable="true"/>
        <mandatoryConform/>
      </field>
    </struct>
    <struct name="FabricScopedTrustedTimeSourceStruct">
      <field id="0" name="NodeID" type="node-id">
        <mandatoryConform/>
      </field>
      <field id="1" name="Endpoint" type="endpoint-no">
        <mandatoryConform/>
      </field>
    </struct>
    <struct name="TimeZoneStruct">
      <field id="0" name="Offset" type="int32">
        <mandatoryConform/>
        <constraint type="between" from="-43200" to="50400"/>
      </field>
      <field id="1" name="ValidAt" type="epoch-us">
        <mandatoryConform/>
      </field>
      <field id="2" name="Name" type="string">
        <optionalConform/>
        <constraint type="lengthBetween" from="0" to="64"/>
      </field>
    </struct>
    <struct name="TrustedTimeSourceStruct">
      <field id="0" name="FabricIndex" type="fabric-idx">
        <mandatoryConform/>
      </field>
      <field id="1" name="NodeID" type="node-id">
        <mandatoryConform/>
      </field>
      <field id="2" name="Endpoint" type="endpoint-no">
        <mandatoryConform/>
      </field>
    </struct>
  </dataTypes>
  <events>
    <event id="0x00" name="DSTTableEmpty" priority="info">
      <access readPrivilege="view"/>
      <mandatoryConform>
        <feature name="TZ"/>
      </mandatoryConform>
    </event>
    <event id="0x01" name="DSTStatus" priority="info">
      <access readPrivilege="view"/>
      <mandatoryConform>
        <feature name="TZ"/>
      </mandatoryConform>
      <field id="0" name="DSTOffsetActive" type="bool">
        <mandatoryConform/>
      </field>
    </event>
    <event id="0x02" name="TimeZoneStatus" priority="info">
      <access readPrivilege="view"/>
      <mandatoryConform>
        <feature name="TZ"/>
      </mandatoryConform>
      <field id="0" name="Offset" type="int32">
        <mandatoryConform/>
        <constraint type="between" from="-43200" to="50400"/>
      </field>
      <field id="1" name="Name" type="string">
        <optionalConform/>
        <constraint type="lengthBetween" from="0" to="64 bytes"/>
      </field>
    </event>
    <event id="0x03" name="TimeFailure" priority="info">
      <access readPrivilege="view"/>
      <mandatoryConform/>
    </event>
    <event id="0x04" name="MissingTrustedTimeSource" priority="info">
      <access readPrivilege="view"/>
      <mandatoryConform>
        <feature name="TSC"/>
      </mandatoryConform>
    </event>
  </events>
</cluster>