diff options
Diffstat (limited to 'drivers/infiniband/hw/bnxt_re/qplib_rcfw.c')
-rw-r--r-- | drivers/infiniband/hw/bnxt_re/qplib_rcfw.c | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c index 3ffaef0c2651..e82bd37158ad 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c @@ -290,7 +290,6 @@ static int __send_message(struct bnxt_qplib_rcfw *rcfw, struct bnxt_qplib_hwq *hwq; u32 sw_prod, cmdq_prod; struct pci_dev *pdev; - unsigned long flags; u16 cookie; u8 *preq; @@ -301,7 +300,7 @@ static int __send_message(struct bnxt_qplib_rcfw *rcfw, /* Cmdq are in 16-byte units, each request can consume 1 or more * cmdqe */ - spin_lock_irqsave(&hwq->lock, flags); + spin_lock_bh(&hwq->lock); required_slots = bnxt_qplib_get_cmd_slots(msg->req); free_slots = HWQ_FREE_SLOTS(hwq); cookie = cmdq->seq_num & RCFW_MAX_COOKIE_VALUE; @@ -311,7 +310,7 @@ static int __send_message(struct bnxt_qplib_rcfw *rcfw, dev_info_ratelimited(&pdev->dev, "CMDQ is full req/free %d/%d!", required_slots, free_slots); - spin_unlock_irqrestore(&hwq->lock, flags); + spin_unlock_bh(&hwq->lock); return -EAGAIN; } if (msg->block) @@ -367,7 +366,7 @@ static int __send_message(struct bnxt_qplib_rcfw *rcfw, wmb(); writel(cmdq_prod, cmdq->cmdq_mbox.prod); writel(RCFW_CMDQ_TRIG_VAL, cmdq->cmdq_mbox.db); - spin_unlock_irqrestore(&hwq->lock, flags); + spin_unlock_bh(&hwq->lock); /* Return the CREQ response pointer */ return 0; } @@ -486,7 +485,6 @@ static int __bnxt_qplib_rcfw_send_message(struct bnxt_qplib_rcfw *rcfw, { struct creq_qp_event *evnt = (struct creq_qp_event *)msg->resp; struct bnxt_qplib_crsqe *crsqe; - unsigned long flags; u16 cookie; int rc; u8 opcode; @@ -512,12 +510,12 @@ static int __bnxt_qplib_rcfw_send_message(struct bnxt_qplib_rcfw *rcfw, rc = __poll_for_resp(rcfw, cookie); if (rc) { - spin_lock_irqsave(&rcfw->cmdq.hwq.lock, flags); + spin_lock_bh(&rcfw->cmdq.hwq.lock); crsqe = &rcfw->crsqe_tbl[cookie]; crsqe->is_waiter_alive = false; if (rc == -ENODEV) set_bit(FIRMWARE_STALL_DETECTED, &rcfw->cmdq.flags); - spin_unlock_irqrestore(&rcfw->cmdq.hwq.lock, flags); + spin_unlock_bh(&rcfw->cmdq.hwq.lock); return -ETIMEDOUT; } @@ -525,7 +523,7 @@ static int __bnxt_qplib_rcfw_send_message(struct bnxt_qplib_rcfw *rcfw, /* failed with status */ dev_err(&rcfw->pdev->dev, "cmdq[%#x]=%#x status %#x\n", cookie, opcode, evnt->status); - rc = -EFAULT; + rc = -EIO; } return rc; @@ -628,7 +626,6 @@ static int bnxt_qplib_process_qp_event(struct bnxt_qplib_rcfw *rcfw, u16 cookie, blocked = 0; bool is_waiter_alive; struct pci_dev *pdev; - unsigned long flags; u32 wait_cmds = 0; int rc = 0; @@ -637,17 +634,21 @@ static int bnxt_qplib_process_qp_event(struct bnxt_qplib_rcfw *rcfw, case CREQ_QP_EVENT_EVENT_QP_ERROR_NOTIFICATION: err_event = (struct creq_qp_error_notification *)qp_event; qp_id = le32_to_cpu(err_event->xid); + spin_lock(&rcfw->tbl_lock); tbl_indx = map_qp_id_to_tbl_indx(qp_id, rcfw); qp = rcfw->qp_tbl[tbl_indx].qp_handle; + if (!qp) { + spin_unlock(&rcfw->tbl_lock); + break; + } + bnxt_qplib_mark_qp_error(qp); + rc = rcfw->creq.aeq_handler(rcfw, qp_event, qp); + spin_unlock(&rcfw->tbl_lock); dev_dbg(&pdev->dev, "Received QP error notification\n"); dev_dbg(&pdev->dev, "qpid 0x%x, req_err=0x%x, resp_err=0x%x\n", qp_id, err_event->req_err_state_reason, err_event->res_err_state_reason); - if (!qp) - break; - bnxt_qplib_mark_qp_error(qp); - rc = rcfw->creq.aeq_handler(rcfw, qp_event, qp); break; default: /* @@ -659,8 +660,7 @@ static int bnxt_qplib_process_qp_event(struct bnxt_qplib_rcfw *rcfw, * */ - spin_lock_irqsave_nested(&hwq->lock, flags, - SINGLE_DEPTH_NESTING); + spin_lock_nested(&hwq->lock, SINGLE_DEPTH_NESTING); cookie = le16_to_cpu(qp_event->cookie); blocked = cookie & RCFW_CMD_IS_BLOCKING; cookie &= RCFW_MAX_COOKIE_VALUE; @@ -672,7 +672,7 @@ static int bnxt_qplib_process_qp_event(struct bnxt_qplib_rcfw *rcfw, dev_info(&pdev->dev, "rcfw timedout: cookie = %#x, free_slots = %d", cookie, crsqe->free_slots); - spin_unlock_irqrestore(&hwq->lock, flags); + spin_unlock(&hwq->lock); return rc; } @@ -720,7 +720,7 @@ static int bnxt_qplib_process_qp_event(struct bnxt_qplib_rcfw *rcfw, __destroy_timedout_ah(rcfw, (struct creq_create_ah_resp *) qp_event); - spin_unlock_irqrestore(&hwq->lock, flags); + spin_unlock(&hwq->lock); } *num_wait += wait_cmds; return rc; @@ -734,12 +734,11 @@ static void bnxt_qplib_service_creq(struct tasklet_struct *t) u32 type, budget = CREQ_ENTRY_POLL_BUDGET; struct bnxt_qplib_hwq *hwq = &creq->hwq; struct creq_base *creqe; - unsigned long flags; u32 num_wakeup = 0; u32 hw_polled = 0; /* Service the CREQ until budget is over */ - spin_lock_irqsave(&hwq->lock, flags); + spin_lock_bh(&hwq->lock); while (budget > 0) { creqe = bnxt_qplib_get_qe(hwq, hwq->cons, NULL); if (!CREQ_CMP_VALID(creqe, creq->creq_db.dbinfo.flags)) @@ -782,7 +781,7 @@ static void bnxt_qplib_service_creq(struct tasklet_struct *t) if (hw_polled) bnxt_qplib_ring_nq_db(&creq->creq_db.dbinfo, rcfw->res->cctx, true); - spin_unlock_irqrestore(&hwq->lock, flags); + spin_unlock_bh(&hwq->lock); if (num_wakeup) wake_up_nr(&rcfw->cmdq.waitq, num_wakeup); } @@ -978,6 +977,7 @@ int bnxt_qplib_alloc_rcfw_channel(struct bnxt_qplib_res *res, GFP_KERNEL); if (!rcfw->qp_tbl) goto fail; + spin_lock_init(&rcfw->tbl_lock); rcfw->max_timeout = res->cctx->hwrm_cmd_max_timeout; |