{
{    This request is used to create and queue a subsystem io request.
{
{          CMP$CREATE_AND_SUBMIT_IO_REQ (REQUEST_TYPE, ELEMENT_NAME,
{                        COMMAND_TABLE_P, DATA_COMMAND_DESCRIPTORS_P,
{                        UNIT_QUEUE_CONTROL, RECOVERY_OPTIONS,
{                        WAIT_FOR_IO_COMPLETION, 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
{                         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.
{
{  UNIT_QUEUE_CONTROL: (input)  This parameter specifies the manner in which
{                               to link this request into the unit request
{                               queue.
{
{  RECOVERY_OPTIONS: (input)  This parameter specifies the type of
{                             recovery to associate with this request.
{
{  WAIT_FOR_IO_COMPLETION:  (input)  This parameter specifies whether or not
{                                    the task wants to wait for this io request
{                                    to complete.  If the task wants to wait
{                                    for io completion, an amount of time to
{                                    wait must be specified.
{
{  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 subsystem io request.
{
{  STATUS: (output)  This parameter returns the request status.
{
