[PATCH 1/1] IB/ehca: Disallow creating UC QP with SRQ
Roland Dreier
rdreier at cisco.com
Sat Oct 11 08:41:39 EST 2008
thanks, applied -- it didn't apply to the latest tree, because of the
flush CQE changes, so I merged it manually as below -- let me know if
this is wrong:
commit 0540bbbe455e123a1692d26205ad1a29983883b0
Author: Hoang-Nam Nguyen <hnguyen at linux.vnet.ibm.com>
Date: Fri Oct 10 14:40:39 2008 -0700
IB/ehca: Don't allow creating UC QP with SRQ
This patch prevents a UC QP to be created attached to an SRQ, since
current firmware does not support this feature.
Signed-off-by: Michael Faath <micfaath at de.ibm.com>
Signed-off-by: Roland Dreier <rolandd at cisco.com>
diff --git a/drivers/infiniband/hw/ehca/ehca_qp.c b/drivers/infiniband/hw/ehca/ehca_qp.c
index 4dbe287..40b578d 100644
--- a/drivers/infiniband/hw/ehca/ehca_qp.c
+++ b/drivers/infiniband/hw/ehca/ehca_qp.c
@@ -502,6 +502,12 @@ static struct ehca_qp *internal_create_qp(
if (init_attr->srq) {
my_srq = container_of(init_attr->srq, struct ehca_qp, ib_srq);
+ if (qp_type == IB_QPT_UC) {
+ ehca_err(pd->device, "UC with SRQ not supported");
+ atomic_dec(&shca->num_qps);
+ return ERR_PTR(-EINVAL);
+ }
+
has_srq = 1;
parms.ext_type = EQPT_SRQBASE;
parms.srq_qpn = my_srq->real_qp_num;
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