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RDMA/hns: Fix the bug with updating rq head pointer when flush cqe

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When flush cqe with srq, the driver disable to update the rq head pointer
into the hardware.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Lijun Ou 2018-12-12 17:49:06 +08:00 committed by Jason Gunthorpe
parent e6b7b7d8a9
commit 9c6ccc035c
1 changed files with 7 additions and 3 deletions
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10
drivers/infiniband/hw/hns/hns_roce_hw_v2.c
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@ -3789,13 +3789,16 @@ static int hns_roce_v2_modify_qp(struct ib_qp *ibqp,
roce_set_field(qpc_mask->byte_160_sq_ci_pi,
V2_QPC_BYTE_160_SQ_PRODUCER_IDX_M,
V2_QPC_BYTE_160_SQ_PRODUCER_IDX_S, 0);
roce_set_field(context->byte_84_rq_ci_pi,
if (!ibqp->srq) {
roce_set_field(context->byte_84_rq_ci_pi,
V2_QPC_BYTE_84_RQ_PRODUCER_IDX_M,
V2_QPC_BYTE_84_RQ_PRODUCER_IDX_S,
hr_qp->rq.head);
roce_set_field(qpc_mask->byte_84_rq_ci_pi,
roce_set_field(qpc_mask->byte_84_rq_ci_pi,
V2_QPC_BYTE_84_RQ_PRODUCER_IDX_M,
V2_QPC_BYTE_84_RQ_PRODUCER_IDX_S, 0);
}
}
if (attr_mask & IB_QP_AV) {
@ -4281,7 +4284,8 @@ static void hns_roce_set_qps_to_err(struct hns_roce_dev *hr_dev, u32 qpn)
if (hr_qp->ibqp.uobject) {
if (hr_qp->sdb_en == 1) {
hr_qp->sq.head = *(int *)(hr_qp->sdb.virt_addr);
hr_qp->rq.head = *(int *)(hr_qp->rdb.virt_addr);
if (hr_qp->rdb_en == 1)
hr_qp->rq.head = *(int *)(hr_qp->rdb.virt_addr);
} else {
dev_warn(hr_dev->dev, "flush cqe is unsupported in userspace!\n");
return;