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LKML: Roland Dreier: [PATCH][26/27] IB/mthca: update receive queue initialization for new HCAs
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/* [31:6] next WQE [4:0] next opcode */<br /> u32 ee_nds; /* [31:8] next EE [7] DBD [6] F [5:0] next WQE size */<br />@@ -1093,7 +1097,6 @@<br /> enum ib_sig_type send_policy,<br /> struct mthca_qp *qp)<br /> {<br />- struct mthca_next_seg *wqe;<br /> int ret;<br /> int i;<br /> <br />@@ -1116,18 +1119,28 @@<br /> }<br /> <br /> if (mthca_is_memfree(dev)) {<br />+ struct mthca_next_seg *next;<br />+ struct mthca_data_seg *scatter;<br />+ int size = (sizeof (struct mthca_next_seg) +<br />+ qp->rq.max_gs * sizeof (struct mthca_data_seg)) / 16;<br />+<br /> for (i = 0; i < qp->rq.max; ++i) {<br />- wqe = get_recv_wqe(qp, i);<br />- wqe->nda_op = cpu_to_be32(((i + 1) & (qp->rq.max - 1)) <<<br />- qp->rq.wqe_shift);<br />- wqe->ee_nds = cpu_to_be32(1 << (qp->rq.wqe_shift - 4));<br />+ next = get_recv_wqe(qp, i);<br />+ next->nda_op = cpu_to_be32(((i + 1) & (qp->rq.max - 1)) <<<br />+ qp->rq.wqe_shift);<br />+ next->ee_nds = cpu_to_be32(size);<br />+<br />+ for (scatter = (void *) (next + 1);<br />+ (void *) scatter < (void *) next + (1 << qp->rq.wqe_shift);<br />+ ++scatter)<br />+ scatter->lkey = cpu_to_be32(MTHCA_INVAL_LKEY);<br /> }<br /> <br /> for (i = 0; i < qp->sq.max; ++i) {<br />- wqe = get_send_wqe(qp, i);<br />- wqe->nda_op = cpu_to_be32((((i + 1) & (qp->sq.max - 1)) <<<br />- qp->sq.wqe_shift) +<br />- qp->send_wqe_offset);<br />+ next = get_send_wqe(qp, i);<br />+ next->nda_op = cpu_to_be32((((i + 1) & (qp->sq.max - 1)) <<<br />+ qp->sq.wqe_shift) +<br />+ qp->send_wqe_offset);<br /> }<br /> }<br /> <br />@@ -1986,7 +1999,7 @@<br /> <br /> if (i < qp->rq.max_gs) {<br /> ((struct mthca_data_seg *) wqe)->byte_count = 0;<br />- ((struct mthca_data_seg *) wqe)->lkey = cpu_to_be32(0x100);<br />+ ((struct mthca_data_seg *) wqe)->lkey = cpu_to_be32(MTHCA_INVAL_LKEY);<br /> ((struct mthca_data_seg *) wqe)->addr = 0;<br /> }<br /> <br />-<br />To unsubscribe from this list: send the line "unsubscribe linux-kernel" in<br />the body of a message to majordomo@vger.kernel.org<br />More majordomo info at <a href="http://vger.kernel.org/majordomo-info.html">http://vger.kernel.org/majordomo-info.html</a><br />Please read the FAQ at <a href="http://www.tux.org/lkml/">http://www.tux.org/lkml/</a><br /><br /></pre></td><td width="32" rowspan="2" class="c" valign="top"><img src="/images/icornerr.gif" width="32" height="32" alt="\" /></td></tr><tr><td align="right" valign="bottom"> 聽 </td></tr><tr><td align="right" valign="bottom">聽</td><td class="c" valign="bottom" style="padding-bottom: 0px"><img src="/images/bcornerl.gif" width="32" height="32" alt="\" /></td><td class="c">聽</td><td class="c" valign="bottom" style="padding-bottom: 0px"><img src="/images/bcornerr.gif" width="32" height="32" alt="/" /></td></tr><tr><td align="right" valign="top" colspan="2"> 聽 </td><td class="lm">Last update: 2005-04-06 13:31 聽聽 [from the cache]<br />漏2003-2020 <a href="http://blog.jasper.es/"><span itemprop="editor">Jasper Spaans</span></a>|hosted at <a href="https://www.digitalocean.com/?refcode=9a8e99d24cf9">Digital Ocean</a> and my Meterkast|<a href="http://blog.jasper.es/categories.html#lkml-ref">Read the blog</a></td><td>聽</td></tr></table><script language="javascript" src="/js/styleswitcher.js" type="text/javascript"></script></body></html>