ocs_get_wwn
my_wwpn = ocs_get_wwn(&ocs->hw, OCS_HW_WWN_PORT);
my_wwnn = ocs_get_wwn(&ocs->hw, OCS_HW_WWN_NODE);
extern uint64_t ocs_get_wwn(ocs_hw_t *hw, ocs_hw_property_e prop);