RDMA/core: Add SRQ type field

Currently, there is only a single ("basic") type of SRQ, but with XRC
support we will add a second.  Prepare for this by defining an SRQ type
and setting all current users to IB_SRQT_BASIC.

Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/infiniband/hw/ehca/ehca_qp.c b/drivers/infiniband/hw/ehca/ehca_qp.c
index 32fb34201ab..964f8552079 100644
--- a/drivers/infiniband/hw/ehca/ehca_qp.c
+++ b/drivers/infiniband/hw/ehca/ehca_qp.c
@@ -977,6 +977,9 @@ struct ib_srq *ehca_create_srq(struct ib_pd *pd,
         struct hcp_modify_qp_control_block *mqpcb;
         u64 hret, update_mask;
 
+        if (srq_init_attr->srq_type != IB_SRQT_BASIC)
+                return ERR_PTR(-ENOSYS);
+
         /* For common attributes, internal_create_qp() takes its info
          * out of qp_init_attr, so copy all common attrs there.
          */