dev/mthca/mthca_qp.c

1545 static inline int mthca_wq_overflow(struct mthca_wq *wq, int nreq,
1552 	if (likely(cur + nreq < wq->max))
1560 	return cur + nreq >= wq->max;
1611 	int nreq;
1615 	 * f0 and size0 are only used if nreq != 0, and they will
1617 	 * before nreq is incremented.  So nreq cannot become non-zero
1632 	for (nreq = 0; wr; ++nreq, wr = wr->next) {
1633 		if (mthca_wq_overflow(&qp->sq, nreq, qp->ibqp.send_cq)) {
1635 					" %d max, %d nreq)\n", qp->qpn,
1637 					qp->sq.max, nreq);
1766 			cpu_to_be32((nreq ? 0 : MTHCA_NEXT_DBD) | size |
1770 		if (!nreq) {
1783 	if (likely(nreq)) {
1799 	qp->sq.head    += nreq;
1812 	int nreq;
1816 	 * size0 is only used if nreq != 0, and it will always be
1818 	 * nreq is incremented.  So nreq cannot become non-zero
1833 	for (nreq = 0; wr; wr = wr->next) {
1834 		if (mthca_wq_overflow(&qp->rq, nreq, qp->ibqp.recv_cq)) {
1836 					" %d max, %d nreq)\n", qp->qpn,
1838 					qp->rq.max, nreq);
1872 		if (!nreq)
1879 		++nreq;
1880 		if (unlikely(nreq == MTHCA_TAVOR_MAX_WQES_PER_RECV_DB)) {
1881 			nreq = 0;
1895 	if (likely(nreq)) {
1899 			      qp->qpn << 8 | nreq, dev->kar + MTHCA_RECEIVE_DOORBELL,
1904 	qp->rq.head    += nreq;
1926 	int nreq;
1930 	 * f0 and size0 are only used if nreq != 0, and they will
1932 	 * before nreq is incremented.  So nreq cannot become non-zero
1947 	for (nreq = 0; wr; ++nreq, wr = wr->next) {
1948 		if (unlikely(nreq == MTHCA_ARBEL_MAX_WQES_PER_SEND_DB)) {
1949 			nreq = 0;
1974 		if (mthca_wq_overflow(&qp->sq, nreq, qp->ibqp.send_cq)) {
1976 					" %d max, %d nreq)\n", qp->qpn,
1978 					qp->sq.max, nreq);
2111 		if (!nreq) {
2124 	if (likely(nreq)) {
2125 		dbhi = (nreq << 24) | ((qp->sq.head & 0xffff) << 8) | f0 | op0;
2127 		qp->sq.head += nreq;
2163 	int nreq;
2174 	for (nreq = 0; wr; ++nreq, wr = wr->next) {
2175 		if (mthca_wq_overflow(&qp->rq, nreq, qp->ibqp.recv_cq)) {
2177 					" %d max, %d nreq)\n", qp->qpn,
2179 					qp->rq.max, nreq);
2212 	if (likely(nreq)) {
2213 		qp->rq.head += nreq;