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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,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 8617DCA9EC3 for ; Thu, 31 Oct 2019 05:12:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 67AA12067D for ; Thu, 31 Oct 2019 05:12:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726552AbfJaFMY (ORCPT ); Thu, 31 Oct 2019 01:12:24 -0400 Received: from esa4.microchip.iphmx.com ([68.232.154.123]:38896 "EHLO esa4.microchip.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726312AbfJaFMY (ORCPT ); Thu, 31 Oct 2019 01:12:24 -0400 Received-SPF: Pass (esa4.microchip.iphmx.com: domain of viswas.g@microsemi.com designates 208.19.100.23 as permitted sender) identity=mailfrom; client-ip=208.19.100.23; receiver=esa4.microchip.iphmx.com; envelope-from="viswas.g@microsemi.com"; x-sender="viswas.g@microsemi.com"; x-conformance=spf_only; x-record-type="v=spf1"; x-record-text="v=spf1 ip4:208.19.100.20 ip4:208.19.100.21 ip4:208.19.100.22 ip4:208.19.100.23 ip4:208.19.99.221 ip4:208.19.99.222 ip4:208.19.99.223 ip4:208.19.99.225 -all" Received-SPF: None (esa4.microchip.iphmx.com: no sender authenticity information available from domain of postmaster@smtp.microsemi.com) identity=helo; client-ip=208.19.100.23; receiver=esa4.microchip.iphmx.com; envelope-from="viswas.g@microsemi.com"; x-sender="postmaster@smtp.microsemi.com"; x-conformance=spf_only Authentication-Results: esa4.microchip.iphmx.com; dkim=none (message not signed) header.i=none; spf=Pass smtp.mailfrom=viswas.g@microsemi.com; spf=None smtp.helo=postmaster@smtp.microsemi.com; dmarc=fail (p=none dis=none) d=microchip.com IronPort-SDR: JDxx+/8DbfomzQNdRlfDkvT023qRhjHJeHWlXP5cq7dymIz8zuGDDsDL6ZBs1h2tqmeII/eCrG TChndMAUD/UWdZMqYOJbEs+4h7lVCYARyYADj6lw+CjwYyujrPTbHPXothmwU/rQS1SkECVTx+ MCcLH4iL/Yq3BXFMCsswe9xKtvC1WIR1mHeFS9FQUl4zg/RTRhGa0PIikJMlb3U9jz8SPqIVmi svjdmN5LOGQWjs2GgTcHpgXUK8NHKKtPZv5M7Mbu/Yrw3cD3ck3VJ4bLE2Er2hM6TK/VLOkLOU GrM= X-IronPort-AV: E=Sophos;i="5.68,250,1569308400"; d="scan'208";a="53588644" Received: from unknown (HELO smtp.microsemi.com) ([208.19.100.23]) by esa4.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 30 Oct 2019 22:12:23 -0700 Received: from AVMBX2.microsemi.net (10.100.34.32) by AVMBX3.microsemi.net (10.100.34.33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1847.3; Wed, 30 Oct 2019 22:12:22 -0700 Received: from localhost (10.41.130.49) by avmbx2.microsemi.net (10.100.34.32) with Microsoft SMTP Server id 15.1.1847.3 via Frontend Transport; Wed, 30 Oct 2019 22:12:22 -0700 From: Deepak Ukey To: CC: , , , , , , , , Subject: [PATCH 10/12] pm80xx : Controller fatal error through sysfs. Date: Thu, 31 Oct 2019 10:42:39 +0530 Message-ID: <20191031051241.6762-11-deepak.ukey@microchip.com> X-Mailer: git-send-email 2.19.0-rc1 In-Reply-To: <20191031051241.6762-1-deepak.ukey@microchip.com> References: <20191031051241.6762-1-deepak.ukey@microchip.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org From: Deepak Ukey Added support to check controller fatal error through sysfs. Signed-off-by: Deepak Ukey Signed-off-by: Viswas G --- drivers/scsi/pm8001/pm8001_ctl.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/drivers/scsi/pm8001/pm8001_ctl.c b/drivers/scsi/pm8001/pm8001_ctl.c index 6b85016b4db3..fbdd0bf0e1ab 100644 --- a/drivers/scsi/pm8001/pm8001_ctl.c +++ b/drivers/scsi/pm8001/pm8001_ctl.c @@ -69,6 +69,25 @@ static ssize_t pm8001_ctl_mpi_interface_rev_show(struct device *cdev, static DEVICE_ATTR(interface_rev, S_IRUGO, pm8001_ctl_mpi_interface_rev_show, NULL); +/** + * pm8001_ctl_controller_fatal_err - check controller is under fatal err + * @cdev: pointer to embedded class device + * @buf: the buffer returned + * + * A sysfs 'read only' shost attribute. + */ +static ssize_t controller_fatal_error_show(struct device *cdev, + struct device_attribute *attr, char *buf) +{ + struct Scsi_Host *shost = class_to_shost(cdev); + struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost); + struct pm8001_hba_info *pm8001_ha = sha->lldd_ha; + + return snprintf(buf, PAGE_SIZE, "%d\n", + pm8001_ha->controller_fatal_error); +} +static DEVICE_ATTR_RO(controller_fatal_error); + /** * pm8001_ctl_fw_version_show - firmware version * @cdev: pointer to embedded class device @@ -804,6 +823,7 @@ static DEVICE_ATTR(update_fw, S_IRUGO|S_IWUSR|S_IWGRP, pm8001_show_update_fw, pm8001_store_update_fw); struct device_attribute *pm8001_host_attrs[] = { &dev_attr_interface_rev, + &dev_attr_controller_fatal_error, &dev_attr_fw_version, &dev_attr_update_fw, &dev_attr_aap_log, -- 2.16.3