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=-9.7 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 C2D2FC432C3 for ; Thu, 14 Nov 2019 10:08:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A864C206DC for ; Thu, 14 Nov 2019 10:08:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726767AbfKNKIw (ORCPT ); Thu, 14 Nov 2019 05:08:52 -0500 Received: from esa3.microchip.iphmx.com ([68.232.153.233]:31203 "EHLO esa3.microchip.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726115AbfKNKIw (ORCPT ); Thu, 14 Nov 2019 05:08:52 -0500 Received-SPF: Pass (esa3.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=esa3.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 (esa3.microchip.iphmx.com: no sender authenticity information available from domain of postmaster@smtp.microsemi.com) identity=helo; client-ip=208.19.100.23; receiver=esa3.microchip.iphmx.com; envelope-from="viswas.g@microsemi.com"; x-sender="postmaster@smtp.microsemi.com"; x-conformance=spf_only Authentication-Results: esa3.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: L68seG8O2ObqRq6jhfiXNdkxaUwf6Bk0+1rOpPe7cMSvR0W/zduitewB/N9zL5UJR1H9oXOoCs XdStHRp0PxiNDLKfHR0hQ+cvH0rKVcdyDlGCs9cochMkrC9WMHTY/kATiEU4pTvPSCruAUBCjO jNaGL2xciY/nq3dAL1/0uixhG/bKwSaY542Ngte1i9wAQLfc1ycEfplCRb3xfmOsY6/Fb+nirV ovUejOMvNFzgkf9EvfSg2H65yX3aVYuULdCfJ5wiPrvLaN/W4zVOCtXRjzF/EmmWdtjj3ZJLlc EIw= X-IronPort-AV: E=Sophos;i="5.68,304,1569308400"; d="scan'208";a="57056493" Received: from unknown (HELO smtp.microsemi.com) ([208.19.100.23]) by esa3.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 14 Nov 2019 03:08:51 -0700 Received: from AVMBX3.microsemi.net (10.100.34.33) 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; Thu, 14 Nov 2019 02:08:50 -0800 Received: from localhost (10.41.130.49) by avmbx3.microsemi.net (10.100.34.33) with Microsoft SMTP Server id 15.1.1847.3 via Frontend Transport; Thu, 14 Nov 2019 02:08:50 -0800 From: Deepak Ukey To: CC: , , , , , , , , Subject: [PATCH V2 11/13] pm80xx : Controller fatal error through sysfs. Date: Thu, 14 Nov 2019 15:39:08 +0530 Message-ID: <20191114100910.6153-12-deepak.ukey@microchip.com> X-Mailer: git-send-email 2.19.0-rc1 In-Reply-To: <20191114100910.6153-1-deepak.ukey@microchip.com> References: <20191114100910.6153-1-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..7c6be2ec110d 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); +/** + * controller_fatal_error_show - 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