From patchwork Mon Jun 24 11:47:48 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lijun Ou X-Patchwork-Id: 11012961 X-Patchwork-Delegate: jgg@ziepe.ca Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C74D914E5 for ; Mon, 24 Jun 2019 11:51:02 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B9FA62894D for ; Mon, 24 Jun 2019 11:51:02 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id AE88828867; Mon, 24 Jun 2019 11:51:02 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 65D9E2894D for ; Mon, 24 Jun 2019 11:51:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729467AbfFXLvB (ORCPT ); Mon, 24 Jun 2019 07:51:01 -0400 Received: from szxga06-in.huawei.com ([45.249.212.32]:42378 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1729420AbfFXLvB (ORCPT ); Mon, 24 Jun 2019 07:51:01 -0400 Received: from DGGEMS408-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id B71583E7F142228633D6; Mon, 24 Jun 2019 19:50:49 +0800 (CST) Received: from linux-ioko.site (10.71.200.31) by DGGEMS408-HUB.china.huawei.com (10.3.19.208) with Microsoft SMTP Server id 14.3.439.0; Mon, 24 Jun 2019 19:50:41 +0800 From: Lijun Ou To: , CC: , , Subject: [PATCH for-next 4/8] RDMA/hns: Set reset flag when hw resetting Date: Mon, 24 Jun 2019 19:47:48 +0800 Message-ID: <1561376872-111496-5-git-send-email-oulijun@huawei.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1561376872-111496-1-git-send-email-oulijun@huawei.com> References: <1561376872-111496-1-git-send-email-oulijun@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.71.200.31] X-CFilter-Loop: Reflected Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Lang Cheng When hw resetting, there is no response from hw when driver sending cmdq. If driver still send cmdq to hw, the reset process may be blocked. So reset flag should be set to intercept the cmdq command when driver receiving "notify down" signal. Signed-off-by: Lang Cheng --- drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index e57dc2c..6a1ba18 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -6389,6 +6389,7 @@ static int hns_roce_hw_v2_reset_notify_down(struct hnae3_handle *handle) if (!hr_dev) return 0; + hr_dev->is_reset = true; hr_dev->active = false; hr_dev->dis_db = true;