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=-2.2 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MSGID_FROM_MTA_HEADER,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 ED968C3A5A9 for ; Mon, 4 May 2020 14:19:35 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id AFD1220721 for ; Mon, 4 May 2020 14:19:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="LsXT42hy"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=Mellanox.com header.i=@Mellanox.com header.b="QnhiGl20" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AFD1220721 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mellanox.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender:Content-Type: Content-Transfer-Encoding:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:In-Reply-To:Date:Message-ID:From: References:To:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=2S2dAFB2Y1IZ/VSx3iaTobZiRhEFiqishwZQgXK/Yd8=; b=LsXT42hyxhxfBukvmEEzApxXC sa5A3H0lq1FmLlQv/9UNp5IOg827YOPmtoE3+kVBZMi/MthJTfT+JYNGQ81KofIMsRGYHUA6rL6Fy ITtL8enXbjvSjFJ2u4LXiD5uU113/buA2zL3Pqzrs7tW9k8D5Df4M037AVZHPds7ccycucHvgnFVi MkrWhRndsoEXlcAw/H2AfCqECbZR4hxgOzbfkSBMJKIYgXbEC8vBYgPEtVNgYd3vNKukgG99Sr+v6 DpSo8pXD66ug4foBAGZ2Bx5pAhuyYjVlvjnFOjyxfPDq5rmsclT8SOQMAmbXcx/LQ7LUlQELGZg3a 9iPshoBTg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jVbwU-0005nK-1D; Mon, 04 May 2020 14:19:34 +0000 Received: from mail-eopbgr60070.outbound.protection.outlook.com ([40.107.6.70] helo=EUR04-DB3-obe.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jVbwR-0005mO-JW for linux-nvme@lists.infradead.org; Mon, 04 May 2020 14:19:33 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=Aw+VT6zos15/pwS9QsmBXj6Dpdr8nJsbSHwpmiYe3YeAXHC2kvQnKY5BqxYHXAWIsYdq+9yvBpeTc1yNEVmPqC7uQtIvqGKLU3PKiK6NlWBhFQGVH6OcIc1gbtV8sHE3zJq0RTEzMKm+4tDZEvdg6qBGH2feHhSGuEIltHyRte+HABLRyBaA7HAdgTYUZN6G6cyeYRK0mjsGqSIspNSfWKeYFAjZdajTi86wEH3bSRuhDfDnW0tDkG7jOoYAISgSsX6kOKcrXv8W96xV8ZVHJTEtxoGzvzeigkyEo1k9KvJucDzmUPVm9ATsXuGpplyF8QQHB+N3oRt617/nLGmZ9g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=QKR2pcoz5EcFgkEGTqF2RgdvDl2jqTq1ZtfHgESYma8=; b=Novf5yMyiGmRJoPcdHbpdwJDvBvBUDPVk9myKXEf7yAexf8NFCe6Z1a3nAj0mMg6enJ3OTUSYNAXTxHJQYYw+9hHPpssQ1YH7ARnlUwLLu5g7mpMdh3PFTS1BC3oKcfzkJBsLkFBeBj1011QMCCq1ihGWU7E/NYm/JkA6NVJlk09OEncRcNMR1SL2xhINmX+0jQP45a8tppnc3dFCXN67S/j/8McZhBHUu9bTAbDzz9s+ZFqlhKHhbjk3Pf2wKFrjRs+ZMX9L7V2ohODVJ+KD2zgq9MKfgHLpg3hWEhkpYxwhn06MEuqjjf/tHN+KADaMKq2YlyXCT+tKMptSfQ/7A== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=mellanox.com; dmarc=pass action=none header.from=mellanox.com; dkim=pass header.d=mellanox.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=Mellanox.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=QKR2pcoz5EcFgkEGTqF2RgdvDl2jqTq1ZtfHgESYma8=; b=QnhiGl20PKyO6dImNo/DqaE0zmWFZrEaKlwQxGWsp6qP2/AP49jin+2ErHgHuKLAhgrZkUjV+ksj5UreEO4F1ekTEGK2bbg+QWoChARdcKkFM17EYnwRcm5MdFGGiLINM4tH/pkH6nn4JmcXoao7DflooMoKzzQ11MAabu00J34= Authentication-Results: mellanox.com; dkim=none (message not signed) header.d=none;mellanox.com; dmarc=none action=none header.from=mellanox.com; Received: from AM0PR05MB5810.eurprd05.prod.outlook.com (2603:10a6:208:11f::18) by AM0PR05MB5617.eurprd05.prod.outlook.com (2603:10a6:208:119::29) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2958.19; Mon, 4 May 2020 14:19:26 +0000 Received: from AM0PR05MB5810.eurprd05.prod.outlook.com ([fe80::408a:27c1:55f8:eed4]) by AM0PR05MB5810.eurprd05.prod.outlook.com ([fe80::408a:27c1:55f8:eed4%5]) with mapi id 15.20.2958.029; Mon, 4 May 2020 14:19:25 +0000 Subject: Re: [PATCH 15/15] nvmet-rdma: add metadata/T10-PI support To: Christoph Hellwig References: <20200428131135.211521-1-maxg@mellanox.com> <20200428131135.211521-16-maxg@mellanox.com> <20200501164818.GA19607@lst.de> <5cbfde4a-871e-51d4-bace-b7b0fbd675ba@mellanox.com> <20200504140800.GA22747@lst.de> From: Max Gurtovoy Message-ID: Date: Mon, 4 May 2020 17:19:21 +0300 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 In-Reply-To: <20200504140800.GA22747@lst.de> Content-Language: en-US X-ClientProxiedBy: LNXP265CA0053.GBRP265.PROD.OUTLOOK.COM (2603:10a6:600:5d::17) To AM0PR05MB5810.eurprd05.prod.outlook.com (2603:10a6:208:11f::18) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from [10.0.0.3] (89.139.203.251) by LNXP265CA0053.GBRP265.PROD.OUTLOOK.COM (2603:10a6:600:5d::17) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2958.20 via Frontend Transport; Mon, 4 May 2020 14:19:23 +0000 X-Originating-IP: [89.139.203.251] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: 613bcb8e-7052-458c-28f8-08d7f0362617 X-MS-TrafficTypeDiagnostic: AM0PR05MB5617:|AM0PR05MB5617: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:3631; X-Forefront-PRVS: 03932714EB X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 95/y5k7QOWkhMQBdeXjM1oGwISRNm9f/8zCls8lCWFzQU0vPsqCo0mbhxTUsJTB1KzxBXUDx6GT6as5auFizfMTl3/0EsFUHagyRtsfJ5zv+k5k3c/lwph2LR+w0H1x61O2vKHLIj6iopoVnF6B4SBVlWIxr5oAwzwFXqzy5WtZ/yaiGllXGd7ScCy3i6PSZvi5q1cceClVvp77/5sNFgM0VsQmy3uXuFdNLCFGMIFIAaOs+OMxiT2RAXu1Bj/gQMkGdWdr8AkmE3y0m9ExeDlUrrmvWwjCtq8xik2XwiPORnqdbU491Gm4Ff6G3iyNr+gUrKbg1u+EvYcxAz1nTKqMmo8ebhwPXMptCGOhkabplQCyCLbvnUNnK5b2djXUCww3E4BlNVDoOmCTH95Pb9fj2XRnDwheL8KFLw5VduD3trsLN9d4Vrlv1K0WsCL4+ X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:AM0PR05MB5810.eurprd05.prod.outlook.com; PTR:; CAT:NONE; SFTY:; SFS:(4636009)(346002)(376002)(396003)(136003)(39860400002)(366004)(956004)(4326008)(31686004)(86362001)(478600001)(31696002)(5660300002)(2616005)(107886003)(6916009)(6486002)(2906002)(186003)(52116002)(16526019)(53546011)(26005)(4744005)(66556008)(66476007)(66946007)(8676002)(8936002)(36756003)(16576012)(316002); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: Mellanox.com X-MS-Exchange-CrossTenant-Network-Message-Id: 613bcb8e-7052-458c-28f8-08d7f0362617 X-MS-Exchange-CrossTenant-OriginalArrivalTime: 04 May 2020 14:19:25.6085 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: a652971c-7d2e-4d9b-a6a4-d149256f461b X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: hOz4yPAH8Xq3f2m8igIncLy59qctbBNM+qeSYzy+razby5+saF647uYzIfZ5JkGEH4FyRTiqRUvHmXqNdbZBBQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR05MB5617 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200504_071931_688679_403869D8 X-CRM114-Status: GOOD ( 13.59 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: axboe@kernel.dk, jsmart2021@gmail.com, sagi@grimberg.me, martin.petersen@oracle.com, shlomin@mellanox.com, israelr@mellanox.com, vladimirk@mellanox.com, linux-nvme@lists.infradead.org, idanb@mellanox.com, oren@mellanox.com, kbusch@kernel.org, nitzanc@mellanox.com Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org Ck9uIDUvNC8yMDIwIDU6MDggUE0sIENocmlzdG9waCBIZWxsd2lnIHdyb3RlOgo+IE9uIFN1biwg TWF5IDAzLCAyMDIwIGF0IDA3OjI5OjEyUE0gKzAzMDAsIE1heCBHdXJ0b3ZveSB3cm90ZToKPj4+ IENhbiB3ZSBoYXZlIGEgaGVscGVyIGZvciBtZXRhZGF0YSBsZW4gdGhhdCBhbHNvIHVzZXMKPj4+ IElTX0VOQUJMRUQoQ09ORklHX0JMS19ERVZfSU5URUdSSVRZKSB0byBsZXQgdGhlIGNvbXBpbGVy IGdhcmJhZ2UgY29sbGVjdAo+Pj4gdGhlIHdob2xlIGNvZGUgaWYgaXQgaXMgY29tcGlsZWQgb3V0 Pwo+PiBXZSBoYXZlIGl0IGluOgo+Pgo+PiBzdGF0aWMgaW5saW5lIHUzMiBudm1ldF9yd19tZXRh ZGF0YV9sZW4oc3RydWN0IG52bWV0X3JlcSAqcmVxKQo+PiB7Cj4+ICDCoMKgwqDCoMKgwqDCoCBp ZiAoIUlTX0VOQUJMRUQoQ09ORklHX0JMS19ERVZfSU5URUdSSVRZKSkKPj4gIMKgwqDCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoCByZXR1cm4gMDsKPj4gIMKgwqDCoMKgwqDCoMKgIHJldHVybiAo KHUzMilsZTE2X3RvX2NwdShyZXEtPmNtZC0+cncubGVuZ3RoKSArIDEpICoKPj4gIMKgwqDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAgcmVxLT5ucy0+bWV0YWRhdGFf c2l6ZTsKPj4gfQo+Pgo+Pgo+PiBhbmQKPj4KPj4gcmVxLT5tZXRhZGF0YV9sZW4gPSBudm1ldF9y d19tZXRhZGF0YV9sZW4ocmVxKTsKPj4KPj4gaXMgaXQgZ29vZCBlbm91Z2ggZm9yIHRoZSBjb21w aWxlciA/Cj4gV2VsbCwgdGhpcyBpcyB0aGUgY2FsY3VsYXRlZCBtZXRhZGF0YSBsZW4sIG5vdCB0 aGUgZmllbGQgaW4gdGhlCj4gcmVxdWVzdCwgYW5kIHRoZSBjb21waWxlciBjYW4ndCByZWFsbHkg a25vdyBpdCBhbHdheXMgaXMgMCBpbiB0aGF0Cj4gY2FzZS4gIEF0IHNvbWUgcG9pbnQgdGhlc2Ug b3B0aW1pemF0aW9ucyBtaWdodCBiZWNvbWUgYSBsaXR0bGUKPiB0b28gdWdseSwgdGhvdWdoLgoK WWVzLCBJIHRyaWVkIHRvIG1ha2Ugc29tZSBiYWxhbmNlIGJldHdlZW4gb3B0aW1pemF0aW9uIGFu ZCBjb2RlIApyZWFkYWJpbGl0eSBhbmQgSSdsbCBzZW50IFY3IHRvZGF5LgoKCgpfX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpsaW51eC1udm1lIG1haWxpbmcg bGlzdApsaW51eC1udm1lQGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVh ZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1udm1lCg==