From: oulijun <oulijun@huawei.com>
Date: Fri, 10 Nov 2017 16:55:43 +0800
Subject: RDMA/hns: Update calculation of irrl_ba field for hip08
Patch-mainline: v4.15-rc1
Git-commit: d55142461759890ac6dc3e93b4c5a4271937b1cf
References: bsc#1104427 FATE#326416

The irrl(initiator RDMA Read/Atomic list) base address of qp
context is assigned for addr[63:6]. This patch mainly fixed
it.

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: Yixian Liu <liuyixian@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/infiniband/hw/hns/hns_roce_hw_v2.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -2393,11 +2393,11 @@ static int modify_qp_init_to_rtr(struct
 		       V2_QPC_BYTE_108_RX_REQ_EPSN_M,
 		       V2_QPC_BYTE_108_RX_REQ_EPSN_S, 0);
 
-	context->irrl_ba = (u32)dma_handle_2;
+	context->irrl_ba = (u32)(dma_handle_2 >> 6);
 	qpc_mask->irrl_ba = 0;
 	roce_set_field(context->byte_208_irrl, V2_QPC_BYTE_208_IRRL_BA_M,
 		       V2_QPC_BYTE_208_IRRL_BA_S,
-		      (dma_handle_2 >> 32) & V2_QPC_BYTE_208_IRRL_BA_M);
+		       dma_handle_2 >> (32 + 6));
 	roce_set_field(qpc_mask->byte_208_irrl, V2_QPC_BYTE_208_IRRL_BA_M,
 		       V2_QPC_BYTE_208_IRRL_BA_S, 0);