From patchwork Fri Mar 16 08:52:57 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ganesh Goudar X-Patchwork-Id: 886637 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=chelsio.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 402fPT4FfRz9sLw for ; Fri, 16 Mar 2018 19:53:17 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753268AbeCPIxP (ORCPT ); Fri, 16 Mar 2018 04:53:15 -0400 Received: from stargate.chelsio.com ([12.32.117.8]:16079 "EHLO stargate.chelsio.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752819AbeCPIxM (ORCPT ); Fri, 16 Mar 2018 04:53:12 -0400 Received: from localhost (victim.blr.asicdesigners.com [10.193.185.129]) by stargate.chelsio.com (8.13.8/8.13.8) with ESMTP id w2G8r0iB003360; Fri, 16 Mar 2018 01:53:00 -0700 From: Ganesh Goudar To: netdev@vger.kernel.org, davem@davemloft.net Cc: nirranjan@chelsio.com, dledford@redhat.com, jgg@ziepe.ca, linux-rdma@vger.kernel.org, swise@opengridcomputing.com, indranil@chelsio.com, venkatesh@chelsio.com, Ganesh Goudar Subject: [PATCH net-next] cxgb4: notify fatal error to uld drivers Date: Fri, 16 Mar 2018 14:22:57 +0530 Message-Id: <1521190377-22823-1-git-send-email-ganeshgr@chelsio.com> X-Mailer: git-send-email 2.1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org notify uld drivers if the adapter encounters fatal error. Signed-off-by: Ganesh Goudar --- drivers/infiniband/hw/cxgb4/device.c | 1 + drivers/net/ethernet/chelsio/cxgb4/cxgb4.h | 1 + drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 10 ++++++++++ drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h | 3 ++- 4 files changed, 14 insertions(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/cxgb4/device.c b/drivers/infiniband/hw/cxgb4/device.c index 7a9d0de..e96771d 100644 --- a/drivers/infiniband/hw/cxgb4/device.c +++ b/drivers/infiniband/hw/cxgb4/device.c @@ -1217,6 +1217,7 @@ static int c4iw_uld_state_change(void *handle, enum cxgb4_state new_state) if (ctx->dev) c4iw_remove(ctx); break; + case CXGB4_STATE_FATAL_ERROR: case CXGB4_STATE_START_RECOVERY: pr_info("%s: Fatal Error\n", pci_name(ctx->lldi.pdev)); if (ctx->dev) { diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h index b2df0ff..a5c0a64 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h @@ -917,6 +917,7 @@ struct adapter { struct work_struct tid_release_task; struct work_struct db_full_task; struct work_struct db_drop_task; + struct work_struct fatal_err_notify_task; bool tid_release_task_busy; /* lock for mailbox cmd list */ diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index 5a349e15..72ec3f7 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -3255,6 +3255,14 @@ static const struct ethtool_ops cxgb4_mgmt_ethtool_ops = { .get_drvinfo = cxgb4_mgmt_get_drvinfo, }; +static void notify_fatal_err(struct work_struct *work) +{ + struct adapter *adap; + + adap = container_of(work, struct adapter, fatal_err_notify_task); + notify_ulds(adap, CXGB4_STATE_FATAL_ERROR); +} + void t4_fatal_err(struct adapter *adap) { int port; @@ -3279,6 +3287,7 @@ void t4_fatal_err(struct adapter *adap) netif_carrier_off(dev); } dev_alert(adap->pdev_dev, "encountered fatal error, adapter stopped\n"); + queue_work(adap->workq, &adap->fatal_err_notify_task); } static void setup_memwin(struct adapter *adap) @@ -5479,6 +5488,7 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) INIT_WORK(&adapter->tid_release_task, process_tid_release_list); INIT_WORK(&adapter->db_full_task, process_db_full); INIT_WORK(&adapter->db_drop_task, process_db_drop); + INIT_WORK(&adapter->fatal_err_notify_task, notify_fatal_err); err = t4_prep_adapter(adapter); if (err) diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h index a14e8db..788146c 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h @@ -257,7 +257,8 @@ enum cxgb4_state { CXGB4_STATE_UP, CXGB4_STATE_START_RECOVERY, CXGB4_STATE_DOWN, - CXGB4_STATE_DETACH + CXGB4_STATE_DETACH, + CXGB4_STATE_FATAL_ERROR }; enum cxgb4_control {