fpga_architecture.xsd

<?xml version="1.0"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">

  <xs:complexType name="port">
    <xs:attribute name="name" type="xs:string" use="required" />
    <xs:attribute name="is_clock" type="xs:boolean" />
    <xs:attribute name="clock" type="xs:string" />
    <xs:attribute name="combinational_sink_ports" type="xs:string" />
  </xs:complexType>

  <xs:complexType name="port_list">
    <xs:sequence>
      <xs:element name="port" type="port" maxOccurs="unbounded" />
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="model_type">
    <xs:choice maxOccurs="unbounded">
      <xs:element name="input_ports" type="port_list"/>
      <xs:element name="output_ports" type="port_list"/>
    </xs:choice>
    <xs:attribute name="name" type="xs:string" use="required" />
  </xs:complexType>

  <xs:complexType name="models">
    <xs:sequence>
      <xs:element name="model" type="model_type" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="fill">
    <xs:attribute name="type" type="xs:string" use="required"/>
    <xs:attribute name="priority" type="xs:int" use="required"/>
  </xs:complexType>

  <xs:complexType name="perimeter">
    <xs:attribute name="type" type="xs:string" use="required"/>
    <xs:attribute name="priority" type="xs:int" use="required"/>
  </xs:complexType>

  <xs:complexType name="corners">
    <xs:attribute name="type" type="xs:string" use="required"/>
    <xs:attribute name="priority" type="xs:int" use="required"/>
  </xs:complexType>

  <xs:complexType name="single">
    <xs:attribute name="type" type="xs:string" use="required"/>
    <xs:attribute name="priority" type="xs:int" use="required"/>
    <xs:attribute name="x" type="xs:string" use="required"/>
    <xs:attribute name="y" type="xs:string" use="required"/>
  </xs:complexType>

  <xs:complexType name="col">
    <xs:attribute name="type" type="xs:string" use="required"/>
    <xs:attribute name="priority" type="xs:int" use="required"/>
    <xs:attribute name="startx" type="xs:string" use="required"/>
    <xs:attribute name="repeatx" type="xs:string"/>
    <xs:attribute name="starty" type="xs:string" default="0"/>
    <xs:attribute name="incry" type="xs:string" default="h"/>
  </xs:complexType>

  <xs:complexType name="row">
    <xs:attribute name="type" type="xs:string" use="required"/>
    <xs:attribute name="priority" type="xs:int" use="required"/>
    <xs:attribute name="starty" type="xs:string" use="required"/>

    <xs:attribute name="repeaty" type="xs:string"/>
    <xs:attribute name="startx" type="xs:string" default="0"/>
    <xs:attribute name="incrx" type="xs:string" default="w"/>
  </xs:complexType>

  <xs:complexType name="region">
    <xs:attribute name="type" type="xs:string" use="required"/>
    <xs:attribute name="priority" type="xs:int" use="required"/>

    <xs:attribute name="startx" type="xs:string" default="0"/>
    <xs:attribute name="endx" type="xs:string" default="W-1"/>
    <xs:attribute name="incrx" type="xs:string" default="w"/>
    <xs:attribute name="repeatx" type="xs:string"/>

    <xs:attribute name="starty" type="xs:string" default="0"/>
    <xs:attribute name="endy" type="xs:string" default="H-1"/>
    <xs:attribute name="incry" type="xs:string" default="h"/>
    <xs:attribute name="repeaty" type="xs:string"/>
  </xs:complexType>

  <xs:complexType name="layout_info">
    <xs:choice maxOccurs="unbounded">
      <xs:element name="fill" type="fill"/>
      <xs:element name="perimeter" type="perimeter"/>
      <xs:element name="corners" type="corners"/>
      <xs:element name="single" type="single"/>
      <xs:element name="col" type="col"/>
      <xs:element name="row" type="row"/>
      <xs:element name="region" type="region"/>
    </xs:choice>
  </xs:complexType>

  <xs:complexType name="auto_layout">
    <xs:complexContent>
      <xs:extension base="layout_info">
        <xs:attribute name="aspect_ratio" type="xs:double" default="1.0" />
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>

  <xs:complexType name="fixed_layout">
    <xs:complexContent>
      <xs:extension base="layout_info">
        <xs:attribute name="name" type="xs:string" use="required" />
        <xs:attribute name="width " type="xs:int" use="required" />
        <xs:attribute name="height " type="xs:int" use="required" />
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>

  <xs:complexType name="layout">
    <xs:choice minOccurs="1">
      <xs:element name="auto_layout" type="auto_layout" maxOccurs="1"/>
      <xs:element name="fixed_layout" type="fixed_layout" maxOccurs="unbounded"/>
    </xs:choice>
  </xs:complexType>

  <xs:simpleType name="switch_block_type">
    <xs:restriction base="xs:string">
      <xs:enumeration value="wilton"/>
      <xs:enumeration value="subset"/>
      <xs:enumeration value="universal"/>
      <xs:enumeration value="custom"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="fc_type_enum">
    <xs:restriction base="xs:string">
      <xs:enumeration value="frac"/>
      <xs:enumeration value="abs"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="chan_distribution">
    <xs:restriction base="xs:string">
      <xs:enumeration value="gaussian"/>
      <xs:enumeration value="uniform"/>
      <xs:enumeration value="pulse"/>
      <xs:enumeration value="delta"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:complexType name="chan_dist">
    <xs:attribute name="distr" type="chan_distribution" use="required"/>
    <xs:attribute name="peak" type="xs:double" use="required"/>
    <xs:attribute name="width" type="xs:double"/>
    <xs:attribute name="xpeak" type="xs:double"/>
    <xs:attribute name="dc" type="xs:double"/>
  </xs:complexType>

  <xs:complexType name="chan_width_distr">
    <xs:choice maxOccurs="unbounded">
      <xs:element name="x" type="chan_dist"/>
      <xs:element name="y" type="chan_dist"/>
    </xs:choice>
  </xs:complexType>

  <xs:complexType name="device">
    <xs:all>
      <xs:element name="sizing">
        <xs:complexType>
          <xs:attribute name="R_minW_nmos" type="xs:double" use="required"/>
          <xs:attribute name="R_minW_pmos" type="xs:double" use="required"/>
        </xs:complexType>
      </xs:element>
      <xs:element name="connection_block">
        <xs:complexType>
          <xs:attribute name="input_switch_name" type="xs:string" use="required"/>
        </xs:complexType>
      </xs:element>
      <xs:element name="area">
        <xs:complexType>
          <xs:attribute name="grid_logic_tile_area" type="xs:double" use="required"/>
        </xs:complexType>
      </xs:element>
      <xs:element name="switch_block">
        <xs:complexType>
          <xs:attribute name="type" type="switch_block_type" use="required"/>
          <xs:attribute name="fs" type="xs:int" use="required"/>
        </xs:complexType>
      </xs:element>
      <xs:element name="chan_width_distr" minOccurs="0" type="chan_width_distr"/>
      <xs:element name="default_fc" minOccurs="0">
        <xs:complexType>
          <xs:attribute name="in_type" type="fc_type_enum"/>
          <xs:attribute name="in_val" type="xs:double"/>
          <xs:attribute name="out_type" type="fc_type_enum"/>
          <xs:attribute name="out_val" type="xs:double"/>
        </xs:complexType>
      </xs:element>
    </xs:all>
  </xs:complexType>

  <xs:simpleType name="switch_type">
    <xs:restriction base="xs:string">
      <xs:enumeration value="mux"/>
      <xs:enumeration value="tristate"/>
      <xs:enumeration value="pass_gate"/>
      <xs:enumeration value="short"/>
      <xs:enumeration value="buffer"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="buf_size">
    <xs:union memberTypes="xs:double">
      <xs:simpleType>
        <xs:restriction base="xs:NMTOKEN">
          <xs:enumeration value="auto"/>
        </xs:restriction>
      </xs:simpleType>
    </xs:union>
  </xs:simpleType>

  <xs:complexType name="switch">
    <xs:sequence>
      <xs:element name="Tdel" minOccurs="0" maxOccurs="unbounded">
        <xs:complexType>
          <xs:attribute name="num_inputs" type="xs:int" use="required"/>
          <xs:attribute name="delay" type="xs:double" use="required"/>
        </xs:complexType>
      </xs:element>
    </xs:sequence>
    <xs:attribute name="type" type="switch_type" use="required"/>
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="R" type="xs:double" use="required"/>
    <xs:attribute name="Cin" type="xs:double" use="required"/>
    <xs:attribute name="Cout" type="xs:double" use="required"/>
    <xs:attribute name="Tdel" type="xs:double"/>
    <xs:attribute name="buf_size" type="buf_size" default="auto"/>
    <xs:attribute name="mux_trans_size" type="xs:double"/>
    <xs:attribute name="power_buf_size" type="xs:double"/>
  </xs:complexType>

  <xs:complexType name="switchlist">
    <xs:sequence>
      <xs:element name="switch" type="switch" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:simpleType name="pb_type_class">
    <xs:restriction base="xs:string">
      <xs:enumeration value="lut"/>
      <xs:enumeration value="flipflop"/>
      <xs:enumeration value="memory"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:complexType name="pb_type_input">
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="num_pins" type="xs:int" use="required"/>
    <xs:attribute name="equivalent" type="xs:boolean" default="false"/>
    <xs:attribute name="is_non_clock_global" type="xs:boolean"/>
    <xs:attribute name="port_class" type="xs:string" />
  </xs:complexType>

  <xs:complexType name="pb_type_output">
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="num_pins" type="xs:int" use="required"/>
    <xs:attribute name="equivalent" type="xs:boolean" default="false"/>
    <xs:attribute name="port_class" type="xs:string" />
  </xs:complexType>

  <xs:simpleType name="delay_matrix_type">
    <xs:restriction base="xs:string">
      <xs:enumeration value="min"/>
      <xs:enumeration value="max"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:complexType name="delay_matrix">
    <xs:simpleContent>
      <xs:extension base="xs:string">
        <xs:attribute name="type" type="delay_matrix_type" use="required"/>
        <xs:attribute name="in_port" type="xs:string" use="required"/>
        <xs:attribute name="out_port" type="xs:string" use="required"/>
      </xs:extension>
    </xs:simpleContent>
  </xs:complexType>

  <xs:complexType name="T_timing_minmax">
    <xs:attribute name="max" type="xs:double"/>
    <xs:attribute name="min" type="xs:double"/>
    <xs:attribute name="in_port" type="xs:string" use="required"/>
    <xs:attribute name="out_port" type="xs:string" use="required"/>
  </xs:complexType>

  <xs:complexType name="T_timing">
    <xs:attribute name="value" type="xs:double" use="required"/>
    <xs:attribute name="port" type="xs:string" use="required"/>
    <xs:attribute name="clock" type="xs:string" use="required"/>
  </xs:complexType>

  <xs:complexType name="T_clock_timing">
    <xs:attribute name="max" type="xs:double"/>
    <xs:attribute name="min" type="xs:double"/>
    <xs:attribute name="port" type="xs:string" use="required"/>
    <xs:attribute name="clock" type="xs:string" use="required"/>
  </xs:complexType>

  <xs:group name="timing_group">
    <xs:choice>
      <xs:element name="delay_constant" type="T_timing_minmax"/>
      <xs:element name="delay_matrix" type="delay_matrix"/>
    </xs:choice>
  </xs:group>

  <xs:group name="timing_group_pbtype">
    <xs:choice>
      <xs:group ref="timing_group" minOccurs="0"/>
      <xs:element name="T_setup" type="T_timing"/>
      <xs:element name="T_hold" type="T_timing"/>
      <xs:element name="T_clock_to_Q" type="T_clock_timing"/>
    </xs:choice>
  </xs:group>

  <xs:complexType name="interconnect_type">
    <xs:group ref="timing_group" minOccurs="0"/>
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="input" type="xs:string" use="required"/>
    <xs:attribute name="output" type="xs:string" use="required"/>
  </xs:complexType>

  <xs:complexType name="interconnect">
    <xs:choice maxOccurs="unbounded">
      <xs:element name="complete" type="interconnect_type"/>
      <xs:element name="direct" type="interconnect_type"/>
      <xs:element name="mux" type="interconnect_type"/>
      <xs:element name="pack_pattern">
        <xs:complexType>
          <xs:attribute name="name" type="xs:string" use="required"/>
          <xs:attribute name="in_port" type="xs:string" use="required"/>
          <xs:attribute name="out_port" type="xs:string" use="required"/>
        </xs:complexType>
      </xs:element>
    </xs:choice>
  </xs:complexType>

  <xs:simpleType name="power_estimation_method">
    <xs:restriction base="xs:string">
      <xs:enumeration value="specify-size"/>
      <xs:enumeration value="auto-size"/>
      <xs:enumeration value="pin-toggle"/>
      <xs:enumeration value="C-internal"/>
      <xs:enumeration value="absolute"/>
      <xs:enumeration value="ignore"/>
      <xs:enumeration value="sum-of-children"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:complexType name="power">
    <xs:choice maxOccurs="unbounded">
      <xs:element name="dynamic_power">
        <xs:complexType>
          <xs:attribute name="power_per_instance" type="xs:double"/>
          <xs:attribute name="C_internal" type="xs:double"/>
        </xs:complexType>
      </xs:element>
      <xs:element name="static_power">
        <xs:complexType>
          <xs:attribute name="power_per_instance" type="xs:double"/>
        </xs:complexType>
      </xs:element>
      <xs:element name="port">
        <xs:complexType>
          <xs:attribute name="name" type="xs:string" use="required"/>
          <xs:attribute name="energy_per_toggle" type="xs:double" use="required"/>
          <xs:attribute name="scaled_by_static_prob" type="xs:string"/>
          <xs:attribute name="scaled_by_static_prob_n" type="xs:string"/>
        </xs:complexType>
      </xs:element>
    </xs:choice>
    <xs:attribute name="method" type="power_estimation_method" default="auto-size"/>
  </xs:complexType>

  <xs:simpleType name="pinlocations_pattern">
    <xs:restriction base="xs:string">
      <xs:enumeration value="spread"/>
      <xs:enumeration value="perimeter"/>
      <xs:enumeration value="custom"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="loc_side">
    <xs:restriction base="xs:string">
      <xs:enumeration value="left"/>
      <xs:enumeration value="right"/>
      <xs:enumeration value="bottom"/>
      <xs:enumeration value="top"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:complexType name="pinlocations">
    <xs:sequence>
      <xs:element name="loc" maxOccurs="unbounded" minOccurs="0">
        <xs:complexType>
          <xs:simpleContent>
            <xs:extension base="xs:string">
              <xs:attribute name="side" type="loc_side" use="required"/>
              <xs:attribute name="xoffset" type="xs:int" default="0"/>
              <xs:attribute name="yoffset" type="xs:int" default="0"/>
            </xs:extension>
          </xs:simpleContent>
        </xs:complexType>
      </xs:element>
    </xs:sequence>
    <xs:attribute name="pattern" type="pinlocations_pattern"/>
  </xs:complexType>

  <xs:simpleType name="switchblock_locations_pattern">
    <xs:restriction base="xs:string">
      <xs:enumeration value="external_full_internal_straight"/>
      <xs:enumeration value="all"/>
      <xs:enumeration value="external"/>
      <xs:enumeration value="internal"/>
      <xs:enumeration value="none"/>
      <xs:enumeration value="custom"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:complexType name="switchblock_locations">
    <xs:attribute name="pattern" type="switchblock_locations_pattern" default="external_full_internal_straight"/>
    <xs:attribute name="internal_switch" type="xs:string"/>
  </xs:complexType>

  <xs:complexType name="fc">
    <xs:sequence>
      <xs:element name="fc_override" minOccurs="0" maxOccurs="unbounded">
        <xs:complexType>
          <xs:attribute name="fc_type" type="fc_type_enum" use="required"/>
          <xs:attribute name="fc_val" type="xs:double" use="required"/>
          <xs:attribute name="port_name" type="xs:string"/>
          <xs:attribute name="segment_name" type="xs:string"/>
        </xs:complexType>
      </xs:element>
    </xs:sequence>
    <xs:attribute name="in_type" type="fc_type_enum" use="required"/>
    <xs:attribute name="in_val" type="xs:double" use="required"/>
    <xs:attribute name="out_type" type="fc_type_enum" use="required"/>
    <xs:attribute name="out_val" type="xs:double" use="required"/>
  </xs:complexType>

  <xs:complexType name="pb_type">
    <xs:choice maxOccurs="unbounded" minOccurs="0">
      <xs:element name="pb_type" type="pb_type"/>
      <xs:element name="input" type="pb_type_input"/>
      <xs:element name="output" type="pb_type_output"/>
      <xs:element name="clock" type="pb_type_output"/>
      <xs:element name="mode">
        <xs:complexType>
          <xs:choice maxOccurs="unbounded" minOccurs="0">
            <xs:element name="pb_type" type="pb_type"/>
            <xs:element name="interconnect" type="interconnect"/>
            <xs:element name="pinlocations" type="pinlocations"/>
            <xs:element name="switchblock_locations" type="switchblock_locations"/>
          </xs:choice>
          <xs:attribute name="name" type="xs:string" use="required"/>
        </xs:complexType>
      </xs:element>
      <xs:element name="interconnect" type="interconnect"/>
      <xs:element name="pinlocations" type="pinlocations"/>
      <xs:element name="switchblock_locations" type="switchblock_locations"/>
      <xs:element name="fc" type="fc"/>
      <xs:group ref="timing_group_pbtype"/>
      <xs:element name="power" type="power"/>
    </xs:choice>
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="num_pb" type="xs:int"/>
    <xs:attribute name="blif_model" type="xs:string"/>
    <xs:attribute name="capacity" type="xs:int"/>
    <xs:attribute name="width" type="xs:int"/>
    <xs:attribute name="height" type="xs:int"/>
    <xs:attribute name="area" type="xs:double"/>
    <xs:attribute name="class" type="pb_type_class"/>
  </xs:complexType>

  <xs:simpleType name="segment_type">
    <xs:restriction base="xs:string">
      <xs:enumeration value="bidir"/>
      <xs:enumeration value="unidir"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="segment_length">
    <xs:union memberTypes="xs:nonNegativeInteger">
      <xs:simpleType>
        <xs:restriction base="xs:NMTOKEN">
          <xs:enumeration value="longline"/>
        </xs:restriction>
      </xs:simpleType>
    </xs:union>
  </xs:simpleType>

  <xs:complexType name="complexblocklist">
    <xs:sequence>
      <xs:element name="pb_type" type="pb_type" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="segment_block">
    <xs:simpleContent>
      <xs:extension base="xs:string">
        <xs:attribute name="type" use="required">
          <xs:simpleType>
            <xs:restriction base="xs:string">
              <xs:enumeration value="pattern"/>
            </xs:restriction>
          </xs:simpleType>
        </xs:attribute>
      </xs:extension>
    </xs:simpleContent>
  </xs:complexType>

  <xs:complexType name="segment_mux">
    <xs:attribute name="name" type="xs:string" use="required"/>
  </xs:complexType>

  <xs:complexType name="segment_wire_switch">
    <xs:attribute name="name" type="xs:string" use="required"/>
  </xs:complexType>

  <xs:complexType name="segment">
    <xs:choice maxOccurs="unbounded">
      <xs:element name="sb" type="segment_block"/>
      <xs:element name="cb" type="segment_block"/>
      <xs:element name="mux" type="segment_mux"/>
      <xs:element name="wire_switch" type="segment_wire_switch"/>
      <xs:element name="opin_switch" type="segment_wire_switch"/>
    </xs:choice>
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="length" type="segment_length" use="required"/>
    <xs:attribute name="type" type="segment_type" use="required"/>
    <xs:attribute name="freq" type="xs:double" use="required"/>
    <xs:attribute name="Rmetal" type="xs:double" use="required"/>
    <xs:attribute name="Cmetal" type="xs:double" use="required"/>
  </xs:complexType>

  <xs:complexType name="segmentlist">
    <xs:sequence>
      <xs:element name="segment" type="segment" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="direct">
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="from_pin" type="xs:string" use="required"/>
    <xs:attribute name="to_pin" type="xs:string" use="required"/>
    <xs:attribute name="x_offset" type="xs:int" use="required"/>
    <xs:attribute name="y_offset" type="xs:int" use="required"/>
    <xs:attribute name="z_offset" type="xs:int" use="required"/>
    <xs:attribute name="switch_name" type="xs:string" use="required"/>
  </xs:complexType>

  <xs:complexType name="directlist">
    <xs:sequence>
      <xs:element name="direct" type="direct" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:simpleType name="switchblock_location_type">
    <xs:restriction base="xs:string">
      <xs:enumeration value="EVERYWHERE"/>
      <xs:enumeration value="PERIMETER"/>
      <xs:enumeration value="CORNER"/>
      <xs:enumeration value="FRINGE"/>
      <xs:enumeration value="CORE"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:complexType name="switchblock_location">
    <xs:attribute name="type" type="switchblock_location_type" use="required"/>
  </xs:complexType>

  <xs:simpleType name="switchblock_type">
    <xs:restriction base="xs:string">
      <xs:enumeration value="bidir"/>
      <xs:enumeration value="unidir"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="func_type">
    <xs:restriction base="xs:string">
      <xs:enumeration value="lt"/>
      <xs:enumeration value="lr"/>
      <xs:enumeration value="lb"/>
      <xs:enumeration value="tr"/>
      <xs:enumeration value="tb"/>
      <xs:enumeration value="tl"/>
      <xs:enumeration value="rb"/>
      <xs:enumeration value="rl"/>
      <xs:enumeration value="rt"/>
      <xs:enumeration value="bl"/>
      <xs:enumeration value="bt"/>
      <xs:enumeration value="br"/>
    </xs:restriction>
  </xs:simpleType>
  
  <xs:complexType name="switchblock_func">
    <xs:sequence>
      <xs:element name="func" maxOccurs="unbounded">
        <xs:complexType>
          <xs:attribute name="type" type="func_type" use="required" />
          <xs:attribute name="formula" type="xs:string" use="required" />
        </xs:complexType>
      </xs:element>
    </xs:sequence>
  </xs:complexType>
  
  <xs:complexType name="wireconn">
    <xs:choice maxOccurs="unbounded">
      <xs:element name="from" maxOccurs="unbounded">
        <xs:complexType>
          <xs:attribute name="type" type="xs:string" use="required"/>
          <xs:attribute name="switchpoint" type="xs:string" use="required"/>
        </xs:complexType>
      </xs:element>
      <xs:element name="to" maxOccurs="unbounded">
        <xs:complexType>
          <xs:attribute name="type" type="xs:string" use="required"/>
          <xs:attribute name="switchpoint" type="xs:string" use="required"/>
        </xs:complexType>
      </xs:element>
    </xs:choice>
    <xs:attribute name="num_conns_type" type="xs:string" use="required"/>
    <xs:attribute name="from_type" type="xs:string"/>
    <xs:attribute name="to_type" type="xs:string"/>
    <xs:attribute name="from_switchpoint" type="xs:string"/>
    <xs:attribute name="to_switchpoint" type="xs:string"/>
  </xs:complexType>

  <xs:complexType name="switchblock">
    <xs:sequence>
      <xs:element name="switchblock_location" type="switchblock_location" maxOccurs="unbounded"/>
      <xs:element name="switchfuncs" type="switchblock_func" maxOccurs="unbounded"/>
      <xs:element name="wireconn" type="wireconn" maxOccurs="unbounded"/>
    </xs:sequence>
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="type" type="switchblock_type" use="required"/>
  </xs:complexType>

  <xs:complexType name="switchblocklist">
    <xs:sequence>
      <xs:element name="switchblock" type="switchblock" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:element name="architecture">
    <xs:complexType>
      <xs:choice minOccurs="0" maxOccurs="unbounded">
        <xs:element name="models" type="models"/>
        <xs:element name="layout" type="layout"/>
        <xs:element name="device" type="device"/>
        <xs:element name="switchlist" type="switchlist"/>
        <xs:element name="switchblocklist" type="switchblocklist"/>
        <xs:element name="segmentlist" type="segmentlist"/>
        <xs:element name="directlist" type="directlist"/>
        <xs:element name="complexblocklist" type="complexblocklist"/>
      </xs:choice>
    </xs:complexType>
  </xs:element>

</xs:schema>

packed_netlist.xsd

<?xml version="1.0"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">

  <xs:complexType name="named_value">
    <xs:simpleContent>
      <xs:extension base="xs:string">
        <xs:attribute name="name" type="xs:string" use="required"/>
      </xs:extension>
    </xs:simpleContent>
  </xs:complexType>

  <xs:complexType name="port">
    <xs:simpleContent>
      <xs:extension base="xs:string">
        <xs:attribute name="name" type="xs:string" use="required"/>
      </xs:extension>
    </xs:simpleContent>
  </xs:complexType>

  <xs:complexType name="port_rotation_map">
    <xs:simpleContent>
      <xs:extension base="xs:string">
        <xs:attribute name="name" type="xs:string" use="required"/>
      </xs:extension>
    </xs:simpleContent>
  </xs:complexType>

  <xs:complexType name="port_group">
    <xs:sequence>
      <xs:element name="port" type="port" minOccurs="0" maxOccurs="unbounded"/>
    </xs:sequence>
  </xs:complexType>

  <xs:complexType name="block">
    <xs:choice minOccurs="0" maxOccurs="unbounded">
      <xs:element name="inputs">
        <xs:complexType>
          <xs:choice minOccurs="0" maxOccurs="unbounded">
            <xs:element name="port" type="port"/>
            <xs:element name="port_rotation_map" type="port_rotation_map"/>
          </xs:choice>
        </xs:complexType>
      </xs:element>
      <xs:element name="outputs" type="port_group"/>
      <xs:element name="clocks" type="port_group"/>
      <xs:element name="attributes">
        <xs:complexType>
          <xs:sequence>
            <xs:element name="attribute" type="named_value" minOccurs="0" maxOccurs="unbounded"/>
          </xs:sequence>
        </xs:complexType>
      </xs:element>
      <xs:element name="parameters">
        <xs:complexType>
          <xs:sequence>
            <xs:element name="parameter" type="named_value" minOccurs="0" maxOccurs="unbounded"/>
          </xs:sequence>
        </xs:complexType>
      </xs:element>

      <xs:element name="block" type="block"/>
    </xs:choice>

    <xs:attribute name="name" type="xs:string"/>
    <xs:attribute name="instance" type="xs:string"/>
    <xs:attribute name="mode" type="xs:string"/>
  </xs:complexType>

  <xs:element name="block" type="block"/>

</xs:schema>

routing_resource.xsd

<?xml version="1.0"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">

  <xs:complexType name="channel">
    <xs:attribute name="chan_width_max" type="xs:int" use="required"/>
    <xs:attribute name="x_min" type="xs:int" use="required"/>
    <xs:attribute name="y_min" type="xs:int" use="required"/>
    <xs:attribute name="x_max" type="xs:int" use="required"/>
    <xs:attribute name="y_max" type="xs:int" use="required"/>
  </xs:complexType>

  <xs:complexType name="x_list">
    <xs:attribute name="index" type="xs:int" use="required"/>
    <xs:attribute name="info" type="xs:int" use="required"/>
  </xs:complexType>

  <xs:complexType name="y_list">
    <xs:attribute name="index" type="xs:int" use="required"/>
    <xs:attribute name="info" type="xs:int" use="required"/>
  </xs:complexType>

  <xs:simpleType name="switch_type">
    <xs:restriction base="xs:string">
      <xs:enumeration value="mux"/>
      <xs:enumeration value="tristate"/>
      <xs:enumeration value="pass_gate"/>
      <xs:enumeration value="short"/>
      <xs:enumeration value="buffer"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:complexType name="timing">
    <xs:attribute name="R" type="xs:double"/>
    <xs:attribute name="Cin" type="xs:double"/>
    <xs:attribute name="Cout" type="xs:double"/>
    <xs:attribute name="Tdel" type="xs:double"/>
  </xs:complexType>

  <xs:complexType name="sizing">
    <xs:attribute name="mux_trans_size" type="xs:int" use="required"/>
    <xs:attribute name="buf_size" type="xs:double" use="required"/>
  </xs:complexType>

  <xs:complexType name="switch">
    <xs:choice maxOccurs="unbounded">
      <xs:element name="timing" type="timing"/>
      <xs:element name="sizing" type="sizing"/>
    </xs:choice>
    <xs:attribute name="id" type="xs:int" use="required"/>
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="type" type="switch_type"/>
  </xs:complexType>

  <xs:complexType name="segment_timing">
    <xs:attribute name="R_per_meter" type="xs:double"/>
    <xs:attribute name="C_per_meter" type="xs:double"/>
  </xs:complexType>

  <xs:complexType name="segment">
    <xs:sequence>
      <xs:element name="timing" type="segment_timing" maxOccurs="unbounded"/>
    </xs:sequence>
    <xs:attribute name="id" type="xs:int" use="required"/>
    <xs:attribute name="name" type="xs:string" use="required"/>
  </xs:complexType>

  <xs:complexType name="pin">
    <xs:simpleContent>
      <xs:extension base="xs:string">
        <xs:attribute name="ptc" type="xs:int" use="required"/>
      </xs:extension>
    </xs:simpleContent>
  </xs:complexType>

  <xs:complexType name="pin_class">
    <xs:sequence>
      <xs:element name="pin" type="pin" maxOccurs="unbounded"/>
    </xs:sequence>
    <xs:attribute name="type" type="pin_type" use="required"/>
  </xs:complexType>

  <xs:complexType name="block_type">
    <xs:sequence>
      <xs:element name="pin_class" type="pin_class" maxOccurs="unbounded"/>
    </xs:sequence>
    <xs:attribute name="id" type="xs:int" use="required"/>
    <xs:attribute name="name" type="xs:string" use="required"/>
    <xs:attribute name="width" type="xs:int" use="required"/>
    <xs:attribute name="height" type="xs:int" use="required"/>
  </xs:complexType>

  <xs:simpleType name="pin_type">
    <xs:restriction base="xs:string">
      <xs:enumeration value="OPEN"/>
      <xs:enumeration value="OUTPUT"/>
      <xs:enumeration value="INPUT"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:complexType name="grid_loc">
    <xs:attribute name="x" type="xs:int" use="required"/>
    <xs:attribute name="y" type="xs:int" use="required"/>
    <xs:attribute name="block_type_id" type="xs:int" use="required"/>
    <xs:attribute name="width_offset" type="xs:int" use="required"/>
    <xs:attribute name="height_offset" type="xs:int" use="required"/>
  </xs:complexType>

  <xs:simpleType name="node_type">
    <xs:restriction base="xs:string">
      <xs:enumeration value="CHANX"/>
      <xs:enumeration value="CHANY"/>
      <xs:enumeration value="SOURCE"/>
      <xs:enumeration value="SINK"/>
      <xs:enumeration value="OPIN"/>
      <xs:enumeration value="IPIN"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="node_direction">
    <xs:restriction base="xs:string">
      <xs:enumeration value="INC_DIR"/>
      <xs:enumeration value="DEC_DIR"/>
      <xs:enumeration value="BI_DIR"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="loc_side">
    <xs:restriction base="xs:string">
      <xs:enumeration value="LEFT"/>
      <xs:enumeration value="RIGHT"/>
      <xs:enumeration value="TOP"/>
      <xs:enumeration value="BOTTOM"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:complexType name="node_loc">
    <xs:attribute name="xlow" type="xs:int" use="required"/>
    <xs:attribute name="ylow" type="xs:int" use="required"/>
    <xs:attribute name="xhigh" type="xs:int" use="required"/>
    <xs:attribute name="yhigh" type="xs:int" use="required"/>
    <xs:attribute name="side" type="loc_side"/>
    <xs:attribute name="ptc" type="xs:int" use="required"/>
  </xs:complexType>

  <xs:complexType name="node_timing">
    <xs:attribute name="R" type="xs:double" use="required"/>
    <xs:attribute name="C" type="xs:double" use="required"/>
  </xs:complexType>

  <xs:complexType name="node_segment">
    <xs:attribute name="segment_id" type="xs:int" use="required"/>
  </xs:complexType>

  <xs:complexType name="node">
    <xs:choice maxOccurs="unbounded">
      <xs:element name="loc" type="node_loc"/>
      <xs:element name="timing" type="node_timing"/>
      <xs:element name="segment" type="node_segment"/>
    </xs:choice>
    <xs:attribute name="id" type="xs:int" use="required"/>
    <xs:attribute name="type" type="node_type" use="required"/>
    <xs:attribute name="direction" type="node_direction"/>
    <xs:attribute name="capacity" type="xs:int" use="required"/>
  </xs:complexType>

  <xs:complexType name="edge">
    <xs:attribute name="src_node" type="xs:int" use="required"/>
    <xs:attribute name="sink_node" type="xs:int" use="required"/>
    <xs:attribute name="switch_id" type="xs:int" use="required"/>
  </xs:complexType>

  <xs:element name="rr_graph">
    <xs:complexType>
      <xs:choice maxOccurs="unbounded">
        <xs:element name="channels">
          <xs:complexType>
            <xs:choice maxOccurs="unbounded">
              <xs:element name="channel" type="channel"/>
              <xs:element name="x_list" type="x_list"/>
              <xs:element name="y_list" type="y_list"/>
            </xs:choice>
          </xs:complexType>
        </xs:element>

        <xs:element name="switches">
          <xs:complexType>
            <xs:sequence>
              <xs:element name="switch" type="switch" maxOccurs="unbounded"/>
            </xs:sequence>
          </xs:complexType>
        </xs:element>

        <xs:element name="segments">
          <xs:complexType>
            <xs:sequence>
              <xs:element name="segment" type="segment" maxOccurs="unbounded"/>
            </xs:sequence>
          </xs:complexType>
        </xs:element>

        <xs:element name="block_types">
          <xs:complexType>
            <xs:sequence>
              <xs:element name="block_type" type="block_type" maxOccurs="unbounded"/>
            </xs:sequence>
          </xs:complexType>
        </xs:element>

        <xs:element name="grid">
          <xs:complexType>
            <xs:sequence>
              <xs:element name="grid_loc" type="grid_loc" maxOccurs="unbounded"/>
            </xs:sequence>
          </xs:complexType>
        </xs:element>

        <xs:element name="rr_nodes">
          <xs:complexType>
            <xs:choice maxOccurs="unbounded">
              <xs:element name="node" type="node"/>
            </xs:choice>
          </xs:complexType>
        </xs:element>

        <xs:element name="rr_edges">
          <xs:complexType>
            <xs:choice maxOccurs="unbounded">
              <xs:element name="edge" type="edge"/>
            </xs:choice>
          </xs:complexType>
        </xs:element>
      </xs:choice>

      <xs:attribute name="tool_name" type="xs:string"/>
      <xs:attribute name="tool_version" type="xs:string"/>
      <xs:attribute name="tool_comment" type="xs:string"/>
    </xs:complexType>
  </xs:element>

</xs:schema>