RDMA/hns: Support rq record doorbell for kernel space
This patch updates to support rq record doorbell for
the kernel space.
Signed-off-by: Yixian Liu <liuyixian@huawei.com>
Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>
Signed-off-by: Shaobo Xu <xushaobo2@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c
index d6c9c57..e1ee666 100644
--- a/drivers/infiniband/hw/hns/hns_roce_main.c
+++ b/drivers/infiniband/hw/hns/hns_roce_main.c
@@ -665,6 +665,11 @@ static int hns_roce_setup_hca(struct hns_roce_dev *hr_dev)
spin_lock_init(&hr_dev->sm_lock);
spin_lock_init(&hr_dev->bt_cmd_lock);
+ if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RECORD_DB) {
+ INIT_LIST_HEAD(&hr_dev->pgdir_list);
+ mutex_init(&hr_dev->pgdir_mutex);
+ }
+
ret = hns_roce_init_uar_table(hr_dev);
if (ret) {
dev_err(dev, "Failed to initialize uar table. aborting\n");