{}
{    The purpose of this request is to change the logical state of an element.
{ The new state of the element will be preserved accross NOS/VE system
{ continuation deadstarts.
{    Only system elements which are not critical to system execution
{ may be placed in the OFF or DOWN states. Examples of requests which
{ would be rejected are: asking for both CPs, the only CP, the entire
{ IOU, MEMORY (as a system element rather than a few pages), the
{ system deadstart device or the only channel/controller to the
{ system deadstart device.
{   Changing the state of an element has no implied effect on the state
{ of any other element connected to it.
{    If the system element is being returned to the ON state from the OFF or
{ DOWN state, it will be subject to automatic, element-dependent
{ re-instatement procedures. This includes one or more of the following:
{      . Down-loading of standard controlware into a controller
{      . Searching for system labels on mass storage volumes
{      . Communicating to the system operator that the element is
{          available for use on other mainframes.
{    Only the operator may change the state of an element to or from the
{ OFF state.
{    A maintenance person or the NOS/VE system itself may change the state
{ of an element from ON to DOWN.
{    Either a maintenance person or the system operator may change the
{ the state of an element from DOWN to ON.
{}
{       CMP$CHANGE_ELEMENT_STATE (ELEMENT, STATE, STATUS)
{}
{  ELEMENT: (input) This parameter specifies the identity of the system
{         element whose state is to be changed.
{}
{  STATE: (input) This parameter specifies the new state of the element.
{}
{  STATUS: (output) This parameter specifies the request status.
{}
