The logging-in device name, which is decided by the
hh3cFcPsmLoginDevType object. It represents node
WWN when the value of hh3cFcPsmLoginDevType is nWWN.
It represents port WWN when the value of hh3cFcPsmLoginDevType
is pWWN. It represents switch WWN when the value of
hh3cFcPsmLoginDevType is sWWN. It represents any device
when the value of hh3cFcPsmLoginDevType is wildCard, and
the value of the instance of this object should be
zero-length string.
The value of this object should not be invalid when
hh3cFcPsmRowStatus is set to createAndGo or active.