diff options
Diffstat (limited to 'drivers/infiniband/hw/irdma/utils.c')
-rw-r--r-- | drivers/infiniband/hw/irdma/utils.c | 33 |
1 files changed, 29 insertions, 4 deletions
diff --git a/drivers/infiniband/hw/irdma/utils.c b/drivers/infiniband/hw/irdma/utils.c index 71e1c5d34709..6cd5cb85dafe 100644 --- a/drivers/infiniband/hw/irdma/utils.c +++ b/drivers/infiniband/hw/irdma/utils.c @@ -481,7 +481,7 @@ void irdma_free_cqp_request(struct irdma_cqp *cqp, if (cqp_request->dynamic) { kfree(cqp_request); } else { - cqp_request->request_done = false; + WRITE_ONCE(cqp_request->request_done, false); cqp_request->callback_fcn = NULL; cqp_request->waiting = false; @@ -515,7 +515,7 @@ irdma_free_pending_cqp_request(struct irdma_cqp *cqp, { if (cqp_request->waiting) { cqp_request->compl_info.error = true; - cqp_request->request_done = true; + WRITE_ONCE(cqp_request->request_done, true); wake_up(&cqp_request->waitq); } wait_event_timeout(cqp->remove_wq, @@ -567,11 +567,11 @@ static int irdma_wait_event(struct irdma_pci_f *rf, bool cqp_error = false; int err_code = 0; - cqp_timeout.compl_cqp_cmds = rf->sc_dev.cqp_cmd_stats[IRDMA_OP_CMPL_CMDS]; + cqp_timeout.compl_cqp_cmds = atomic64_read(&rf->sc_dev.cqp->completed_ops); do { irdma_cqp_ce_handler(rf, &rf->ccq.sc_cq); if (wait_event_timeout(cqp_request->waitq, - cqp_request->request_done, + READ_ONCE(cqp_request->request_done), msecs_to_jiffies(CQP_COMPL_WAIT_TIME_MS))) break; @@ -760,6 +760,31 @@ void irdma_qp_rem_ref(struct ib_qp *ibqp) complete(&iwqp->free_qp); } +void irdma_cq_add_ref(struct ib_cq *ibcq) +{ + struct irdma_cq *iwcq = to_iwcq(ibcq); + + refcount_inc(&iwcq->refcnt); +} + +void irdma_cq_rem_ref(struct ib_cq *ibcq) +{ + struct ib_device *ibdev = ibcq->device; + struct irdma_device *iwdev = to_iwdev(ibdev); + struct irdma_cq *iwcq = to_iwcq(ibcq); + unsigned long flags; + + spin_lock_irqsave(&iwdev->rf->cqtable_lock, flags); + if (!refcount_dec_and_test(&iwcq->refcnt)) { + spin_unlock_irqrestore(&iwdev->rf->cqtable_lock, flags); + return; + } + + iwdev->rf->cq_table[iwcq->cq_num] = NULL; + spin_unlock_irqrestore(&iwdev->rf->cqtable_lock, flags); + complete(&iwcq->free_cq); +} + struct ib_device *to_ibdev(struct irdma_sc_dev *dev) { return &(container_of(dev, struct irdma_pci_f, sc_dev))->iwdev->ibdev; |