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=-5.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 002AFC4BA21 for ; Wed, 26 Feb 2020 22:01:07 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 C79D221D7E for ; Wed, 26 Feb 2020 22:01:07 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C79D221D7E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:50694 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j74jq-0008RH-Tt for qemu-devel@archiver.kernel.org; Wed, 26 Feb 2020 17:01:06 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:48779) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j74iz-0007aE-Vd for qemu-devel@nongnu.org; Wed, 26 Feb 2020 17:00:14 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1j74iz-00049L-2F for qemu-devel@nongnu.org; Wed, 26 Feb 2020 17:00:13 -0500 Received: from mga06.intel.com ([134.134.136.31]:9997) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1j74iw-00043s-NB; Wed, 26 Feb 2020 17:00:10 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga104.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 26 Feb 2020 14:00:03 -0800 X-IronPort-AV: E=Sophos;i="5.70,489,1574150400"; d="scan'208";a="231561023" Received: from ajakowsk-mobl1.amr.corp.intel.com (HELO localhost.localdomain) ([10.78.27.169]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-SHA; 26 Feb 2020 14:00:03 -0800 Subject: Re: [PATCH v2 1/1] block/nvme: introduce PMR support from NVMe 1.4 spec To: keith.busch@intel.com, kwolf@redhat.com, mreitz@redhat.com References: <20200221212327.24616-1-andrzej.jakowski@linux.intel.com> <20200221212327.24616-2-andrzej.jakowski@linux.intel.com> From: Andrzej Jakowski Message-ID: <7a21628e-9b14-7674-d73b-11c3fa5f5c71@linux.intel.com> Date: Wed, 26 Feb 2020 15:00:01 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 In-Reply-To: <20200221212327.24616-2-andrzej.jakowski@linux.intel.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 134.134.136.31 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: haozhong.zhang@intel.com, qemu-block@nongnu.org, stefanha@gmail.com, qemu-devel@nongnu.org, dgilbert@redhat.com, yi.z.zhang@linux.intel.com, junyan.he@intel.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 2/21/20 2:23 PM, Andrzej Jakowski wrote: > This patch introduces support for PMR that has been defined as part of NVMe 1.4 > spec. User can now specify a pmr_file which will be mmap'ed into qemu address > space and subsequently in PCI BAR 2. Guest OS can perform mmio read and writes > to the PMR region that will stay persistent accross system reboot. > > Signed-off-by: Andrzej Jakowski Hi, v2 addresses feedback received in v1 and so far I haven't seen any other comments. Is there anything else needed for inclusion of this patch in tree? Thank you, Andrzej