BD_RxBDID_SHIFT
& BD_RxBDID_MASK) >> BD_RxBDID_SHIFT;
(bdctl & BD_RxBDID_MASK) >> BD_RxBDID_SHIFT;
(curid << BD_RxBDID_SHIFT) |
cpu_to_le32(BD_CownsBD | (i << BD_RxBDID_SHIFT) |