Commit 571fb4fb authored by Haoyue Xu's avatar Haoyue Xu Committed by Jason Gunthorpe
Browse files

RDMA/hns: Fix initial arm_st of CQ 

We set the init CQ status to ARMED before. As a result, an unexpected CEQE
would be reported. Therefore, the init CQ status should be set to no_armed
rather than REG_NXT_CEQE.

Fixes: a5073d60 ("RDMA/hns: Add eq support of hip08")
Link: https://lore.kernel.org/r/20211029095846.26732-1-liangwenpeng@huawei.com


Signed-off-by: default avatarHaoyue Xu <xuhaoyue1@hisilicon.com>
Signed-off-by: default avatarWenpeng Liang <liangwenpeng@huawei.com>
Signed-off-by: default avatarJason Gunthorpe <jgg@nvidia.com>
parent 64733956

drivers/infiniband/hw/hns/hns_roce_hw_v2.c

+1 −1
Original line number Diff line number Diff line
@@ -3328,7 +3328,7 @@ static void hns_roce_v2_write_cqc(struct hns_roce_dev *hr_dev, 
	memset(cq_context, 0, sizeof(*cq_context));



	hr_reg_write(cq_context, CQC_CQ_ST, V2_CQ_STATE_VALID);

	hr_reg_write(cq_context, CQC_ARM_ST, REG_NXT_CEQE);

	hr_reg_write(cq_context, CQC_ARM_ST, NO_ARMED);

	hr_reg_write(cq_context, CQC_SHIFT, ilog2(hr_cq->cq_depth));

	hr_reg_write(cq_context, CQC_CEQN, hr_cq->vector);

	hr_reg_write(cq_context, CQC_CQN, hr_cq->cqn);