RDMA/hns: Bugfix for cq record db for kernel

oulijun · jgunthorpe · commit 05d6a4ddb654 · 2018-05-23T15:45:44.000-06:00
When use cq record db for kernel, it needs to set the hr_cq->db_en to 1 and configure the dma address of record cq db of qp context. Fixes: 86188a8 ("RDMA/hns: Support cq record doorbell for kernel space") Signed-off-by: Lijun Ou <oulijun@huawei.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
diff --git a/drivers/infiniband/hw/hns/hns_roce_cq.c b/drivers/infiniband/hw/hns/hns_roce_cq.c
@@ -377,6 +377,7 @@ struct ib_cq *hns_roce_ib_create_cq(struct ib_device *ib_dev,
 
 			hr_cq->set_ci_db = hr_cq->db.db_record;
 			*hr_cq->set_ci_db = 0;
+			hr_cq->db_en = 1;
 		}
 
 		/* Init mmt table and write buff address to mtt table */

Original file line number	Diff line number	Diff line change
`@@ -377,6 +377,7 @@ struct ib_cq hns_roce_ib_create_cq(struct ib_device ib_dev,`
`377`	`377`
`378`	`378`	`hr_cq->set_ci_db = hr_cq->db.db_record;`
`379`	`379`	`*hr_cq->set_ci_db = 0;`
	`380`	`+ hr_cq->db_en = 1;`
`380`	`381`	`}`
`381`	`382`
`382`	`383`	`/* Init mmt table and write buff address to mtt table */`