diff options
author | Michael Brown | 2009-07-09 16:52:04 +0200 |
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committer | Michael Brown | 2009-07-18 00:06:34 +0200 |
commit | f1d92fa8865c281cb7da31f2e3b62ece3f2f9ca1 (patch) | |
tree | d07c05965bd108d02d3c1b6fd1ac1574f70200d5 /src/net/infiniband.c | |
parent | [infiniband] Always create an SMA and a GMA (diff) | |
download | ipxe-f1d92fa8865c281cb7da31f2e3b62ece3f2f9ca1.tar.gz ipxe-f1d92fa8865c281cb7da31f2e3b62ece3f2f9ca1.tar.xz ipxe-f1d92fa8865c281cb7da31f2e3b62ece3f2f9ca1.zip |
[infiniband] Allow external QPN to differ from real QPN
Most IB hardware seems not to allow allocation of the genuine QPNs 0
and 1, so allow for the externally-visible QPN (as constructed and
parsed by ib_packet, where used) to differ from the real
hardware-allocated QPN.
Diffstat (limited to 'src/net/infiniband.c')
-rw-r--r-- | src/net/infiniband.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/src/net/infiniband.c b/src/net/infiniband.c index 1444a12c..b15dcc61 100644 --- a/src/net/infiniband.c +++ b/src/net/infiniband.c @@ -196,7 +196,6 @@ struct ib_queue_pair * ib_create_qp ( struct ib_device *ibdev, "%s\n", ibdev, strerror ( rc ) ); goto err_dev_create_qp; } - DBGC ( ibdev, "IBDEV %p created queue pair %p (%p) with QPN %#lx\n", ibdev, qp, ib_qp_get_drvdata ( qp ), qp->qpn ); DBGC ( ibdev, "IBDEV %p QPN %#lx has %d send entries at [%p,%p)\n", @@ -205,6 +204,24 @@ struct ib_queue_pair * ib_create_qp ( struct ib_device *ibdev, DBGC ( ibdev, "IBDEV %p QPN %#lx has %d receive entries at [%p,%p)\n", ibdev, qp->qpn, num_recv_wqes, qp->recv.iobufs, ( ( ( void * ) qp ) + total_size ) ); + + /* Calculate externally-visible QPN */ + switch ( type ) { + case IB_QPT_SMA: + qp->ext_qpn = IB_QPN_SMA; + break; + case IB_QPT_GMA: + qp->ext_qpn = IB_QPN_GMA; + break; + default: + qp->ext_qpn = qp->qpn; + break; + } + if ( qp->ext_qpn != qp->qpn ) { + DBGC ( ibdev, "IBDEV %p QPN %#lx has external QPN %#lx\n", + ibdev, qp->qpn, qp->ext_qpn ); + } + return qp; ibdev->op->destroy_qp ( ibdev, qp ); @@ -295,7 +312,7 @@ struct ib_queue_pair * ib_find_qp_qpn ( struct ib_device *ibdev, struct ib_queue_pair *qp; list_for_each_entry ( qp, &ibdev->qps, list ) { - if ( qp->qpn == qpn ) + if ( ( qpn == qp->qpn ) || ( qpn == qp->ext_qpn ) ) return qp; } return NULL; |