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[Infiniband] Add preliminary support for multi-port devices.

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Arbel and Hermon cards both have multiple ports.  Add the
infrastructure required to register each port as a separate IB
device.  Don't yet register more than one port, since registration
will currently fail unless a valid link is detected.

Use ib_*_{set,get}_{drv,owner}data wrappers to access driver- and
owner-private data on Infiniband structures.
This commit is contained in:
Michael Brown
2008-02-27 13:59:56 +00:00
parent 6570203571
commit bc3f0a25c6
7 changed files with 284 additions and 119 deletions
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11
src/net/infiniband.c
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@@ -67,7 +67,8 @@ struct ib_completion_queue * ib_create_cq ( struct ib_device *ibdev,
}
DBGC ( ibdev, "IBDEV %p created %d-entry completion queue %p (%p) "
"with CQN %#lx\n", ibdev, num_cqes, cq, cq->dev_priv, cq->cqn );
"with CQN %#lx\n", ibdev, num_cqes, cq,
ib_cq_get_drvdata ( cq ), cq->cqn );
return cq;
}
@@ -141,7 +142,7 @@ struct ib_queue_pair * ib_create_qp ( struct ib_device *ibdev,
}
DBGC ( ibdev, "IBDEV %p created queue pair %p (%p) with QPN %#lx\n",
ibdev, qp, qp->dev_priv, qp->qpn );
ibdev, qp, ib_qp_get_drvdata ( qp ), qp->qpn );
DBGC ( ibdev, "IBDEV %p QPN %#lx has %d send entries at [%p,%p)\n",
ibdev, qp->qpn, num_send_wqes, qp->send.iobufs,
qp->recv.iobufs );
@@ -360,17 +361,19 @@ static int ib_get_mad_params ( struct ib_device *ibdev ) {
/**
* Allocate Infiniband device
*
* @v priv_size Size of private data area
* @v priv_size Size of driver private data area
* @ret ibdev Infiniband device, or NULL
*/
struct ib_device * alloc_ibdev ( size_t priv_size ) {
struct ib_device *ibdev;
void *drv_priv;
size_t total_len;
total_len = ( sizeof ( *ibdev ) + priv_size );
ibdev = zalloc ( total_len );
if ( ibdev ) {
ibdev->dev_priv = ( ( ( void * ) ibdev ) + sizeof ( *ibdev ) );
drv_priv = ( ( ( void * ) ibdev ) + sizeof ( *ibdev ) );
ib_set_drvdata ( ibdev, drv_priv );
}
return ibdev;
}