HWQ_CMP
HWQ_CMP(lib_qp->sq.hwq.prod, &lib_qp->sq.hwq),
HWQ_CMP(sq_hwq->prod, sq_hwq),
HWQ_CMP(sq_hwq->cons, sq_hwq),
sw_cons = HWQ_CMP(nq_hwq->cons, nq_hwq);
sw_prod = HWQ_CMP(cmdq_hwq->prod, cmdq_hwq);
sw_prod = HWQ_CMP(cmdq_hwq->prod, cmdq_hwq);
((HWQ_CMP(hwq->prod, hwq)\
- HWQ_CMP(hwq->cons, hwq))\