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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 09907C25B75 for ; Thu, 23 May 2024 16:53:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type:MIME-Version: Message-ID:Subject:cc:To:From:Date:Reply-To:Content-Transfer-Encoding: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=D/p2RkQytKJi3MuPGrjVqdXhBuYp+ylwZe8ZbpZTahc=; b=bTis5BHUrBuO8XZ06xEyO3KIge pUL/SUCjVTqLMo02lxMxY7Ew/CDV5Mw52vJdoyAENXvkvndA9bKxo6D3vUXpqtZVXxhcyJAcxKr+r ha+M4hlklDeHSGoclnTVEuENx+tNvPqd5+6M06a0F0vNJivgcW9cSlDcui8CvLS7bAmsn+Zh9iZy0 OU0rC7Rtfw0to2Fp1U/1PEto41f6sWg2CWsCZvWI1sOaVBcV7GyBJT+Hlq9OwUopFBNOrIbfHFknN 5Niz1uOgqi6lm0HsGi2Go1kse75/hyS7e2iwE9UIxhxZ4YKINTIbYxzKTg2v3cg7KEfS08H0bqBff fXi331UQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sABhK-00000006pIb-35je; Thu, 23 May 2024 16:53:46 +0000 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sABhH-00000006pHo-3rdQ for linux-nvme@lists.infradead.org; Thu, 23 May 2024 16:53:45 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1716483222; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type; bh=D/p2RkQytKJi3MuPGrjVqdXhBuYp+ylwZe8ZbpZTahc=; b=SDOi0bkCUKJ4pzKN/BJqTnu57jl+x8zeq3S79LWq6Sxxe+4vXrYMrE1Pa90nFH5dXmazrs zT1lwr3K3GewNg7+Bom7nhIrAUBtXqtilFniKNXvy0scr1j9kFzv8r6pBf4LM29CuLJIQu RHoQsVer0DESWVZCT992dFKWrpD039E= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-475-uz8F4asBM92bX_NY5AMwIA-1; Thu, 23 May 2024 12:53:38 -0400 X-MC-Unique: uz8F4asBM92bX_NY5AMwIA-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.rdu2.redhat.com [10.11.54.2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 37C66101A52C; Thu, 23 May 2024 16:53:38 +0000 (UTC) Received: from file1-rdu.file-001.prod.rdu2.dc.redhat.com (unknown [10.11.5.21]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 2168C40C6EB7; Thu, 23 May 2024 16:53:38 +0000 (UTC) Received: by file1-rdu.file-001.prod.rdu2.dc.redhat.com (Postfix, from userid 12668) id 0E31530C1C33; Thu, 23 May 2024 16:53:38 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by file1-rdu.file-001.prod.rdu2.dc.redhat.com (Postfix) with ESMTP id 0D4943FB52; Thu, 23 May 2024 18:53:38 +0200 (CEST) Date: Thu, 23 May 2024 18:53:38 +0200 (CEST) From: Mikulas Patocka To: Jens Axboe , Keith Busch , Christoph Hellwig , Sagi Grimberg , Mike Snitzer , Milan Broz , Anuj gupta cc: linux-block@vger.kernel.org, dm-devel@lists.linux.dev, linux-nvme@lists.infradead.org Subject: [PATCH 0/2 v3] dm-crypt support for per-sector NVMe metadata Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.2 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240523_095344_055517_8884C8E5 X-CRM114-Status: GOOD ( 10.70 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org Hi Here I'm resending the dm-crypt support for per-sector NVMe metadata. I made some changes to the first patch as suggested by Jens Axboe. The first patch fixes a bug when splitting a bio with attached metadata. The second patch enables dm-crypt to use NVMe metadata for authenticated encryption. dm-crypt can run directly on NVMe without using dm-integrity. These patches increase write throughput twice, because there is no write to the dm-integrity journal. An example how to use it (so far, there is no support in the userspace cryptsetup tool): # nvme format /dev/nvme1 -n 1 -lbaf=4 # dmsetup create cr --table '0 1048576 crypt capi:authenc(hmac(sha256),cbc(aes))-essiv:sha256 01b11af6b55f76424fd53fb66667c301466b2eeaf0f39fd36d26e7fc4f52ade2de4228e996f5ae2fe817ce178e77079d28e4baaebffbcd3e16ae4f36ef217298 0 /dev/nvme1n1 0 2 integrity:32:aead sector_size:4096' Mikulas