diff options
Diffstat (limited to 'drivers/infiniband/hw/irdma/verbs.c')
-rw-r--r-- | drivers/infiniband/hw/irdma/verbs.c | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/drivers/infiniband/hw/irdma/verbs.c b/drivers/infiniband/hw/irdma/verbs.c index 0f66e809d418..8cd5f9261692 100644 --- a/drivers/infiniband/hw/irdma/verbs.c +++ b/drivers/infiniband/hw/irdma/verbs.c @@ -3584,18 +3584,31 @@ static int irdma_req_notify_cq(struct ib_cq *ibcq, struct irdma_cq *iwcq; struct irdma_cq_uk *ukcq; unsigned long flags; - enum irdma_cmpl_notify cq_notify = IRDMA_CQ_COMPL_EVENT; + enum irdma_cmpl_notify cq_notify; + bool promo_event = false; + int ret = 0; + cq_notify = notify_flags == IB_CQ_SOLICITED ? + IRDMA_CQ_COMPL_SOLICITED : IRDMA_CQ_COMPL_EVENT; iwcq = to_iwcq(ibcq); ukcq = &iwcq->sc_cq.cq_uk; - if (notify_flags == IB_CQ_SOLICITED) - cq_notify = IRDMA_CQ_COMPL_SOLICITED; spin_lock_irqsave(&iwcq->lock, flags); - irdma_uk_cq_request_notification(ukcq, cq_notify); + /* Only promote to arm the CQ for any event if the last arm event was solicited. */ + if (iwcq->last_notify == IRDMA_CQ_COMPL_SOLICITED && notify_flags != IB_CQ_SOLICITED) + promo_event = true; + + if (!iwcq->armed || promo_event) { + iwcq->armed = true; + iwcq->last_notify = cq_notify; + irdma_uk_cq_request_notification(ukcq, cq_notify); + } + + if ((notify_flags & IB_CQ_REPORT_MISSED_EVENTS) && !irdma_cq_empty(iwcq)) + ret = 1; spin_unlock_irqrestore(&iwcq->lock, flags); - return 0; + return ret; } static int irdma_roce_port_immutable(struct ib_device *ibdev, u32 port_num, |