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RDMA/hns: Ownerbit mode add control field
author
Lang Cheng
<chenglang@huawei.com>
Sat, 21 Aug 2021 09:53:27 +0000
(17:53 +0800)
committer
Jason Gunthorpe
<jgg@nvidia.com>
Mon, 23 Aug 2021 16:45:12 +0000
(13:45 -0300)
The ownerbit mode is for external card mode. Make it controlled by the
firmware.
Fixes:
aba457ca890c
("RDMA/hns: Support owner mode doorbell")
Link:
https://lore.kernel.org/r/1629539607-33217-4-git-send-email-liangwenpeng@huawei.com
Signed-off-by: Lang Cheng <chenglang@huawei.com>
Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
drivers/infiniband/hw/hns/hns_roce_hw_v2.c
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diff --git
a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index
5d594c0
..
d00be78
100644
(file)
--- a/
drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/
drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@
-4108,6
+4108,9
@@
static void modify_qp_reset_to_init(struct ib_qp *ibqp,
if (hr_qp->en_flags & HNS_ROCE_QP_CAP_RQ_RECORD_DB)
hr_reg_enable(context, QPC_RQ_RECORD_EN);
+ if (hr_qp->en_flags & HNS_ROCE_QP_CAP_OWNER_DB)
+ hr_reg_enable(context, QPC_OWNER_MODE);
+
hr_reg_write(context, QPC_RQ_DB_RECORD_ADDR_L,
lower_32_bits(hr_qp->rdb.dma) >> 1);
hr_reg_write(context, QPC_RQ_DB_RECORD_ADDR_H,