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RDMA/qedr: Don't reset QP when queues aren't flushed 

Fail QP state transition from error to reset if SQ/RQ are not empty
and still in the process of flushing out the queued work entries.

Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Signed-off-by: Michal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Ram Amrani 2017-01-24 13:50:38 +02:00 committed by Doug Ledford
parent c78c314961
commit 933e6dcaa0
1 changed files with 8 additions and 0 deletions
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8
drivers/infiniband/hw/qedr/verbs.c
View File

@ -1733,6 +1733,14 @@ static int qedr_update_qp_state(struct qedr_dev *dev,
/* ERR->XXX */
switch (new_state) {
case QED_ROCE_QP_STATE_RESET:
if ((qp->rq.prod != qp->rq.cons) ||
(qp->sq.prod != qp->sq.cons)) {
DP_NOTICE(dev,
"Error->Reset with rq/sq not empty rq.prod=%x rq.cons=%x sq.prod=%x sq.cons=%x\n",
qp->rq.prod, qp->rq.cons, qp->sq.prod,
qp->sq.cons);
status = -EINVAL;
}
break;
default:
status = -EINVAL;