SGE_UDB_WCDOORBELL
pio_copy(srq->bar2_va + SGE_UDB_WCDOORBELL, (u64 *)wqe);
(wq->sq.bar2_va + SGE_UDB_WCDOORBELL),
(wq->rq.bar2_va + SGE_UDB_WCDOORBELL),
(q->bar2_addr + SGE_UDB_WCDOORBELL),
SGE_UDB_WCDOORBELL);