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=-1.2 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED 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 50F20C43387 for ; Wed, 19 Dec 2018 04:35:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 10C50218CD for ; Wed, 19 Dec 2018 04:35:55 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="VK1QY2jz" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727290AbeLSEfy (ORCPT ); Tue, 18 Dec 2018 23:35:54 -0500 Received: from userp2120.oracle.com ([156.151.31.85]:34226 "EHLO userp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726704AbeLSEfy (ORCPT ); Tue, 18 Dec 2018 23:35:54 -0500 Received: from pps.filterd (userp2120.oracle.com [127.0.0.1]) by userp2120.oracle.com (8.16.0.22/8.16.0.22) with SMTP id wBJ4YLhV035943; Wed, 19 Dec 2018 04:35:45 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=28i1DheIZZ17SjP2g0ly2alcUQNTjJ0qYoH153Wntpo=; b=VK1QY2jzM8CH04CVesotqxPogzfEGBgPA7tzs84jxxI4Gu5FDtmGCTRII7VVtPI+lKho ahRsfEc2xhj7mz1gI7AagHPEtSgnVPDbvqyqwuTZm3ROBeAL9BC8cwAdXKKXj1EezxUz ryRO0IJm8fTPASGtcpzV5etxO0/+62uXQUw4HOkLHEKJiOZHyPggOLCIhICnJT3NLeXa 1UyqRd5ZS20gFWdSp1pH5SCJYnCbRY9HFhxlrLmH1uNAt2IfQKQ45Q9h01nYIMPbSg8Q bRlJxw/nksEA2zNN5C+Tf0MP/KzLuX48a7Bvgbuk5BXU6DtUs1uMypSuuuIDXFPjQXB3 kA== Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp2120.oracle.com with ESMTP id 2pct8qxyjy-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 19 Dec 2018 04:35:45 +0000 Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserv0022.oracle.com (8.14.4/8.14.4) with ESMTP id wBJ4Zc91008095 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 19 Dec 2018 04:35:39 GMT Received: from abhmp0018.oracle.com (abhmp0018.oracle.com [141.146.116.24]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id wBJ4Zb3K013335; Wed, 19 Dec 2018 04:35:38 GMT Received: from ca-mkp.ca.oracle.com (/10.159.214.123) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Tue, 18 Dec 2018 20:35:37 -0800 To: John Garry Cc: , , , , , Xiang Chen Subject: Re: [PATCH v5 1/2] scsi: hisi_sas: Add support for DIF feature for v2 hw From: "Martin K. Petersen" Organization: Oracle Corporation References: <1545057608-89965-1-git-send-email-john.garry@huawei.com> <1545057608-89965-2-git-send-email-john.garry@huawei.com> Date: Tue, 18 Dec 2018 23:35:35 -0500 In-Reply-To: <1545057608-89965-2-git-send-email-john.garry@huawei.com> (John Garry's message of "Mon, 17 Dec 2018 22:40:07 +0800") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=nai engine=5900 definitions=9111 signatures=668680 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=965 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1812190038 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org John, > From: Xiang Chen > > For v3 hw, we support DIF operation for SAS, but not SATA. > > In addition, DIF CRC16 is supported. > > This patchset adds the SW support for the described features. The main > components are as follows: > - Get protection mask from module param > - Fill PI fields > - Fill related to DIF in DQ and protection iu memories Applied to 4.21/scsi-queue, thanks! -- Martin K. Petersen Oracle Linux Engineering