RDMA/hns: Bugfix for rq record db for kernel

BugLink: https://bugs.launchpad.net/bugs/1770974
When used rq record db for kernel, it needs to set the rdb_en of
hr_qp to 1 and configures the dma address of record rq db of qp
context.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
(cherry picked from commit 3a39bbecc88fa9a99a80de588c8f1fe16aba3446)
Signed-off-by: dann frazier <dann.frazier@canonical.com>
Acked-by: Kleber Sacilotto de Souza <kleber.souza@canonical.com>
Acked-by: Stefan Bader <stefan.bader@canonical.com>
Signed-off-by: Khalid Elmously <khalid.elmously@canonical.com>

diff --git a/drivers/infiniband/hw/hns/hns_roce_qp.c b/drivers/infiniband/hw/hns/hns_roce_qp.c
index d4aad34c21e2ca8a9bc36db6ba1f682ac1f1972f..cdfb774e28ff392f42871839f35dc9344da0bca0 100644 (file)
--- a/drivers/infiniband/hw/hns/hns_roce_qp.c
+++ b/drivers/infiniband/hw/hns/hns_roce_qp.c
@@ -660,6 +660,7 @@ static int hns_roce_create_qp_common(struct hns_roce_dev *hr_dev,
                                goto err_rq_sge_list;
                        }
                        *hr_qp->rdb.db_record = 0;
+                       hr_qp->rdb_en = 1;
                }
 
                /* Allocate QP buf */