hw/mthca/mthca_qp.c

1568 static inline int mthca_wq_overflow(struct mthca_wq *wq, int nreq,
1575 	if (likely(cur + nreq < wq->max))
1583 	return cur + nreq >= wq->max;
1634 	int nreq;
1638 	 * f0 and size0 are only used if nreq != 0, and they will
1640 	 * before nreq is incremented.  So nreq cannot become non-zero
1655 	for (nreq = 0; wr; ++nreq, wr = wr->next) {
1656 		if (mthca_wq_overflow(&qp->sq, nreq, qp->ibqp.send_cq)) {
1658 					" %d max, %d nreq)\n", qp->qpn,
1660 					qp->sq.max, nreq);
1789 			cpu_to_be32((nreq ? 0 : MTHCA_NEXT_DBD) | size |
1793 		if (!nreq) {
1806 	if (likely(nreq)) {
1817 	qp->sq.head    += nreq;
1830 	int nreq;
1834 	 * size0 is only used if nreq != 0, and it will always be
1836 	 * nreq is incremented.  So nreq cannot become non-zero
1851 	for (nreq = 0; wr; wr = wr->next) {
1852 		if (mthca_wq_overflow(&qp->rq, nreq, qp->ibqp.recv_cq)) {
1854 					" %d max, %d nreq)\n", qp->qpn,
1856 					qp->rq.max, nreq);
1890 		if (!nreq)
1897 		++nreq;
1898 		if (unlikely(nreq == MTHCA_TAVOR_MAX_WQES_PER_RECV_DB)) {
1899 			nreq = 0;
1913 	if (likely(nreq)) {
1917 			      qp->qpn << 8 | nreq, dev->kar + MTHCA_RECEIVE_DOORBELL,
1922 	qp->rq.head    += nreq;
1938 	int nreq;
1942 	 * f0 and size0 are only used if nreq != 0, and they will
1944 	 * before nreq is incremented.  So nreq cannot become non-zero
1959 	for (nreq = 0; wr; ++nreq, wr = wr->next) {
1960 		if (unlikely(nreq == MTHCA_ARBEL_MAX_WQES_PER_SEND_DB)) {
1961 			nreq = 0;
1986 		if (mthca_wq_overflow(&qp->sq, nreq, qp->ibqp.send_cq)) {
1988 					" %d max, %d nreq)\n", qp->qpn,
1990 					qp->sq.max, nreq);
2123 		if (!nreq) {
2136 	if (likely(nreq)) {
2137 		dbhi = (nreq << 24) | ((qp->sq.head & 0xffff) << 8) | f0 | op0;
2139 		qp->sq.head += nreq;
2169 	int nreq;
2180 	for (nreq = 0; wr; ++nreq, wr = wr->next) {
2181 		if (mthca_wq_overflow(&qp->rq, nreq, qp->ibqp.recv_cq)) {
2183 					" %d max, %d nreq)\n", qp->qpn,
2185 					qp->rq.max, nreq);
2218 	if (likely(nreq)) {
2219 		qp->rq.head += nreq;