{
{    This request is used to construct the operating system portion for a subsystem
{  io request.
{
{          CMP$CREATE_IO_REQUEST (REQUEST_TYPE, ELEMENT_NAME,
{                        COMMAND_TABLE_P, DATA_COMMAND_DESCRIPTORS_P,
{                        IO_IDENTIFICATION, IO_RESPONSE_P, REQUEST_ID, STATUS)
{
{  REQUEST_TYPE: (input)  This parameter specifies the type of io request.
{
{  ELEMENT_NAME: (input)  This parameter specifies the element name of the element that
{                         is to be associated with the io request.
{
{  COMMAND_TABLE_P: (input)  This parameter is a pointer to the commands to be used
{                            to process this request.
{
{  DATA_COMMAND_DESCRIPTORS_P: (input)  This parameter is a pointer to the addresses to be
{                                        associated with the commands.
{
{  IO_IDENTIFICATION: (input)  This parameter specifies a user io
{                              identification to be associated with this
{                              subsystem io request.
{
{  IO_RESPONSE_P: (input)  This parameter is a pointer to a subsystem response
{                          area to be associated with this request.
{
{  REQUEST_ID: (output)  This parameter returns the operating system
{                        identification that is associated with the io
{                        request.
{
{  STATUS: (output)  This parameter returns the request status.
{
