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=-0.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY autolearn=no 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 DED58C0650F for ; Tue, 30 Jul 2019 16:47:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B5BAE20693 for ; Tue, 30 Jul 2019 16:47:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="14gHRnWE" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727067AbfG3Qrl (ORCPT ); Tue, 30 Jul 2019 12:47:41 -0400 Received: from userp2130.oracle.com ([156.151.31.86]:44124 "EHLO userp2130.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726253AbfG3Qrl (ORCPT ); Tue, 30 Jul 2019 12:47:41 -0400 Received: from pps.filterd (userp2130.oracle.com [127.0.0.1]) by userp2130.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x6UGj5Ea037135; Tue, 30 Jul 2019 16:47:37 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=to : cc : subject : from : references : date : in-reply-to : message-id : mime-version : content-type; s=corp-2018-07-02; bh=3Lvf5l3PuwIQZBPFEa0S/5jsyNyEzSw2FH0i8ExleJw=; b=14gHRnWEvJT7qDzzi2NJH5QtaVJcu4EVUuov9igUPbthZ3fjoUqvujIuialHwAYvQSwA B+yfzD7gTX/dt4Uub1JlQVlfQlQObf5O3rNqIFJSMmkrHfEtTRJqBoSScZlpDnilXG1G Q3bKMVb+kI2Ikbunk49lpYHO5try4awHPeaoh5pgzULst4IF4O7fAq2jF2680puPdyZe yaBQezQNDG1smHtiWrlShBmnr3yrkhjhrUyg0NVOyee7nR3Ut933fPsMuGU0RwOVn/Qm wer+rKsvD8SIv4b2u7Ztksvb/j0PlxI49HAT/Ok39xxBklNLTUUo7JMA4NNRN328XnHn nw== Received: from userp3020.oracle.com (userp3020.oracle.com [156.151.31.79]) by userp2130.oracle.com with ESMTP id 2u0e1tqxu4-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 30 Jul 2019 16:47:37 +0000 Received: from pps.filterd (userp3020.oracle.com [127.0.0.1]) by userp3020.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x6UGgf74138056; Tue, 30 Jul 2019 16:47:37 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userp3020.oracle.com with ESMTP id 2u2exabmx1-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 30 Jul 2019 16:47:37 +0000 Received: from abhmp0015.oracle.com (abhmp0015.oracle.com [141.146.116.21]) by aserv0122.oracle.com (8.14.4/8.14.4) with ESMTP id x6UGlZme029942; Tue, 30 Jul 2019 16:47:35 GMT Received: from ca-mkp.ca.oracle.com (/10.159.214.123) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Tue, 30 Jul 2019 09:47:35 -0700 To: Suganath Prabu Cc: linux-scsi@vger.kernel.org, stable@vger.kernel.org, Sathya.Prakash@broadcom.com, kashyap.desai@broadcom.com, sreekanth.reddy@broadcom.com Subject: Re: [PATCH v2] mpt3sas: Use 63-bit DMA addressing on SAS35 HBA From: "Martin K. Petersen" Organization: Oracle Corporation References: <1564472637-8062-1-git-send-email-suganath-prabu.subramani@broadcom.com> Date: Tue, 30 Jul 2019 12:47:33 -0400 In-Reply-To: <1564472637-8062-1-git-send-email-suganath-prabu.subramani@broadcom.com> (Suganath Prabu's message of "Tue, 30 Jul 2019 03:43:57 -0400") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1.92 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9334 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=623 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1906280000 definitions=main-1907300174 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9334 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=690 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1906280000 definitions=main-1907300174 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org Suganath, > Although SAS3 & SAS3.5 IT HBA controllers support 64-bit DMA > addressing, as per hardware design, if DMA able range contains all > 64-bits set (0xFFFFFFFF-FFFFFFFF) then it results in a firmware fault. Applied to 5.3/scsi-fixes. Thanks! -- Martin K. Petersen Oracle Linux Engineering