sis_set_doorbell_bit
sis_set_doorbell_bit(ctrl_info, SIS_ENABLE_MSIX);
sis_set_doorbell_bit(ctrl_info, SIS_ENABLE_INTX);
return sis_set_doorbell_bit(ctrl_info, SIS_PQI_RESET_QUIESCE);
return sis_set_doorbell_bit(ctrl_info, SIS_REENABLE_SIS_MODE);
sis_set_doorbell_bit(ctrl_info, SIS_NOTIFY_KDUMP);