From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-14.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 48DB7C433DF for ; Mon, 24 Aug 2020 17:09:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1AF1C2074D for ; Mon, 24 Aug 2020 17:09:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598288962; bh=+ncqXkGCjBPaOcgrZsAShwnnH3J/qZFZV7aUyHtXTeo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=ekD0Om/WjCwvI3whYj0OUrPD6HZv0xwIl6y9OQb0h2FSIwmgV/DLaJUW9Lk44Pt+J jd9N0w6bcy2xRhtXaxdlezWOLNbPmzSaWSyQlPl3yZgyk4ypjmXpRdK9t0lJeFvKvv jjUNBQ7/BBqxHVBcukfun/t3mqKM3POuJcweLfaU= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726457AbgHXRJP (ORCPT ); Mon, 24 Aug 2020 13:09:15 -0400 Received: from mail.kernel.org ([198.145.29.99]:41056 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728422AbgHXQiR (ORCPT ); Mon, 24 Aug 2020 12:38:17 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id D9BFA20838; Mon, 24 Aug 2020 16:37:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598287051; bh=+ncqXkGCjBPaOcgrZsAShwnnH3J/qZFZV7aUyHtXTeo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=wv5O7eevw9sIhimB2sunPMf8swjNY42DrHUygc8ahGJe3bSFvgh/ldVkfBMVK05ST lrk+X/N9eU9TvgQfOc4Mka+V85Hqhyn/lhUrqiqrttQjg7RTEXWNYYw0uDllxpfCKk 0b1dBuxPussQtb7mq4Cwg/0VIq5uAqG+ggabkgLg= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Saurav Kashyap , Himanshu Madhani , Nilesh Javali , "Martin K . Petersen" , Sasha Levin , linux-scsi@vger.kernel.org Subject: [PATCH AUTOSEL 5.7 41/54] scsi: qla2xxx: Check if FW supports MQ before enabling Date: Mon, 24 Aug 2020 12:36:20 -0400 Message-Id: <20200824163634.606093-41-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200824163634.606093-1-sashal@kernel.org> References: <20200824163634.606093-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org From: Saurav Kashyap [ Upstream commit dffa11453313a115157b19021cc2e27ea98e624c ] OS boot during Boot from SAN was stuck at dracut emergency shell after enabling NVMe driver parameter. For non-MQ support the driver was enabling MQ. Add a check to confirm if FW supports MQ. Link: https://lore.kernel.org/r/20200806111014.28434-9-njavali@marvell.com Reviewed-by: Himanshu Madhani Signed-off-by: Saurav Kashyap Signed-off-by: Nilesh Javali Signed-off-by: Martin K. Petersen Signed-off-by: Sasha Levin --- drivers/scsi/qla2xxx/qla_os.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 1120d133204c2..7a4a65a9ba441 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -2017,6 +2017,11 @@ qla2x00_iospace_config(struct qla_hw_data *ha) /* Determine queue resources */ ha->max_req_queues = ha->max_rsp_queues = 1; ha->msix_count = QLA_BASE_VECTORS; + + /* Check if FW supports MQ or not */ + if (!(ha->fw_attributes & BIT_6)) + goto mqiobase_exit; + if (!ql2xmqsupport || !ql2xnvmeenable || (!IS_QLA25XX(ha) && !IS_QLA81XX(ha))) goto mqiobase_exit; -- 2.25.1