diff options
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index 1f37d74b466b..a2ae4f33e459 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -3739,6 +3739,23 @@ static void hns_roce_v2_write_cqc(struct hns_roce_dev *hr_dev, HNS_ROCE_V2_CQ_DEFAULT_INTERVAL); } +static bool left_sw_wc(struct hns_roce_dev *hr_dev, struct hns_roce_cq *hr_cq) +{ + struct hns_roce_qp *hr_qp; + + list_for_each_entry(hr_qp, &hr_cq->sq_list, sq_node) { + if (hr_qp->sq.head != hr_qp->sq.tail) + return true; + } + + list_for_each_entry(hr_qp, &hr_cq->rq_list, rq_node) { + if (hr_qp->rq.head != hr_qp->rq.tail) + return true; + } + + return false; +} + static int hns_roce_v2_req_notify_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags flags) { @@ -3747,6 +3764,12 @@ static int hns_roce_v2_req_notify_cq(struct ib_cq *ibcq, struct hns_roce_v2_db cq_db = {}; u32 notify_flag; + if (hr_dev->state >= HNS_ROCE_DEVICE_STATE_RST_DOWN) { + if ((flags & IB_CQ_REPORT_MISSED_EVENTS) && + left_sw_wc(hr_dev, hr_cq)) + return 1; + return 0; + } /* * flags = 0, then notify_flag : next * flags = 1, then notify flag : solocited |