'Get iscsi portal info.'

@_connection_checker
def get_iscsi_portal_info(self):

    res_details = self._get_res_details('/cgi-bin/disk/iscsi_portal_setting.cgi?', func='extra_get', iSCSI_portal='1', sid=self.sid)
    root = ET.fromstring(res_details['data'])
    if (root.find('authPassed').text == '0'):
        raise exception.VolumeBackendAPIException(data=_('Session    id    expired'))
    else:
        return res_details
