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

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Message-ID: <1506574654-56699-2-git-send-email-xavier.huwei@huawei.com>
Date:   Thu, 28 Sep 2017 12:57:26 +0800
From:   "Wei Hu (Xavier)" <xavier.huwei@...wei.com>
To:     <dledford@...hat.com>
CC:     <linux-rdma@...r.kernel.org>, <xavier.huwei@...wei.com>,
        <lijun_nudt@....com>, <oulijun@...wei.com>,
        <charles.chenxin@...wei.com>, <liuyixian@...wei.com>,
        <xushaobo2@...wei.com>, <zhangxiping3@...wei.com>,
        <xavier.huwei@....com>, <linuxarm@...wei.com>,
        <linux-kernel@...r.kernel.org>, <shaobohsu@....com>
Subject: [PATCH for-next 1/9] RDMA/hns: Modify the value with rd&dest_rd of qp_attr

From: Lijun Ou <oulijun@...wei.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@...wei.com>
Signed-off-by: Wei Hu (Xavier) <xavier.huwei@...wei.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