'Get common masking views, if any.
:param array: the array serial number
:param portgroup_name: port group name
:param initiator_group_name: ig name
:returns: list of masking views'

def get_common_masking_views(self, array, portgroup_name, initiator_group_name):

    LOG.debug('Finding    Masking    Views    for    port    group    %(pg)s    and    %(ig)s.', {'pg': portgroup_name, 'ig': initiator_group_name})
    masking_view_list = self.rest.get_common_masking_views(array, portgroup_name, initiator_group_name)
    return masking_view_list
