Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1741171

[PATCH for-next 1/9] RDMA/hns: Modify the value with rd&dest_rd of qp_attr

From "Wei Hu (Xavier)" <xavier.huwei@huawei.com>
Newsgroups linux.kernel
Subject [PATCH for-next 1/9] RDMA/hns: Modify the value with rd&dest_rd of qp_attr
Date 2017-09-28 06:40 +0200
Message-ID <uuyM9-4cw-5@gated-at.bofh.it> (permalink)
References <uuyCt-49t-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


From: Lijun Ou <oulijun@huawei.com>

The value of max_rd_atomic and max_dest_rd_atomic in query_qp
are incorrect. It should be assigned by left shifting of
the bit in hip06 SoC.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>
---
 drivers/infiniband/hw/hns/hns_roce_hw_v1.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
index 426f55a..6e9acfd 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
@@ -3484,10 +3484,10 @@ static int hns_roce_v1_q_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr,
 			      QP_CONTEXT_QPC_BYTES_12_P_KEY_INDEX_S);
 	qp_attr->port_num = hr_qp->port + 1;
 	qp_attr->sq_draining = 0;
-	qp_attr->max_rd_atomic = roce_get_field(context->qpc_bytes_156,
+	qp_attr->max_rd_atomic = 1 << roce_get_field(context->qpc_bytes_156,
 				 QP_CONTEXT_QPC_BYTES_156_INITIATOR_DEPTH_M,
 				 QP_CONTEXT_QPC_BYTES_156_INITIATOR_DEPTH_S);
-	qp_attr->max_dest_rd_atomic = roce_get_field(context->qpc_bytes_32,
+	qp_attr->max_dest_rd_atomic = 1 << roce_get_field(context->qpc_bytes_32,
 				 QP_CONTEXT_QPC_BYTES_32_RESPONDER_RESOURCES_M,
 				 QP_CONTEXT_QPC_BYTES_32_RESPONDER_RESOURCES_S);
 	qp_attr->min_rnr_timer = (u8)(roce_get_field(context->qpc_bytes_24,
-- 
1.9.1

Back to linux.kernel | Previous | Next | Find similar | Unroll thread


Thread

[PATCH for-next 1/9] RDMA/hns: Modify the value with rd&dest_rd of qp_attr "Wei Hu (Xavier)" <xavier.huwei@huawei.com> - 2017-09-28 06:40 +0200

csiph-web