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=-3.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS 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 10AE4C4708F for ; Tue, 1 Jun 2021 17:44:56 +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 578C1610C9 for ; Tue, 1 Jun 2021 17:44:55 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 578C1610C9 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=irrelevant.dk Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:60224 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lo8Rh-0004vt-W7 for qemu-devel@archiver.kernel.org; Tue, 01 Jun 2021 13:44:54 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36422) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lo8Oh-0002Jl-59; Tue, 01 Jun 2021 13:41:47 -0400 Received: from wout3-smtp.messagingengine.com ([64.147.123.19]:48111) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lo8Oc-0002fB-Vf; Tue, 01 Jun 2021 13:41:46 -0400 Received: from compute3.internal (compute3.nyi.internal [10.202.2.43]) by mailout.west.internal (Postfix) with ESMTP id 850AEEB8; Tue, 1 Jun 2021 13:41:39 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute3.internal (MEProxy); Tue, 01 Jun 2021 13:41:40 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=irrelevant.dk; h=date:from:to:cc:subject:message-id:references:mime-version :content-type:in-reply-to; s=fm3; bh=WWAPQ+9LK4c3FAyMG8cUfmuO3ql 1Fc8GiZmpbbaP4Rs=; b=ZYL9MmzOJJ9QUPtqz/WDAbTM4ebjwCvCZky9IxpWS/g BwOfjxEECMccDD+btKuqAS3rr8KjWEEk03IQ3Go3ZucF4fnfVqyLeTgiTuDgX/p6 Y1cksofoQnLiIb4EJXS7jGhCijy+ykboscSSQs2Xcz0RZ8cylBo083/mfLvPwlcC MHeDFv0iFYhs9fZIXs92LuI0RJ56MNiBh0T2Az5Hl4ScVhy7SNoOTfgyXim8BePW Dc5O4YtAoUwiIT00HhB6nimo0S6JDTEZ3qsUYTjDd4VgIhxdbGzW+J1jZaBdvM2X BlCWAJyc4vF8M4hofnBSiw2gRl8RjZpgeOfRLKDmM5w== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-me-proxy :x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm2; bh=WWAPQ+ 9LK4c3FAyMG8cUfmuO3ql1Fc8GiZmpbbaP4Rs=; b=V5Y4XfRnaAptI9Yca+cmNx RlT2ly8iVyKJTAlbNBlcEd/8/OwbZeLwbY1u2QvZZC/B/ObR1P4UHOOeTl9/bGHg QPWKFpoVwoRJ1UrUuSy0ihWhPv1Vzcs+jQYQvKrwViaBH0muWNp+CK35k2Nta/2E dvVkfYt/w3smIQ6w42II5GUkV1grHwVAJWU9fGbvty5y9qHUe8Wi45E8YuYwf5df IGrarRmiL18qboBFOPK58eBgbOBidQbEvLEyBw9RZ4E4ElvuGxjKi1NV4XlSKk2O Aqfu6GVbZMZ0Q28bqXxTY9geuIDawUIbpud4sd/O1dDpY0FCtieBM1PWECbfP70A == X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduledrvdelhedguddukecutefuodetggdotefrod ftvfcurfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfgh necuuegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmd enucfjughrpeffhffvuffkfhggtggujgesghdtreertddtjeenucfhrhhomhepmfhlrghu shculfgvnhhsvghnuceoihhtshesihhrrhgvlhgvvhgrnhhtrdgukheqnecuggftrfgrth htvghrnhepjeegudffueeiteekieelkedvueelteevjeduieeludfffeejgeffhfduvddu ffeknecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehmrghilhhfrhhomhepih htshesihhrrhgvlhgvvhgrnhhtrdgukh X-ME-Proxy: Received: by mail.messagingengine.com (Postfix) with ESMTPA; Tue, 1 Jun 2021 13:41:36 -0400 (EDT) Date: Tue, 1 Jun 2021 19:41:34 +0200 From: Klaus Jensen To: Keith Busch Subject: Re: [PATCH v2 1/2] hw/nvme: add support for boot partiotions Message-ID: References: <20210601143749.1669-1-anaidu.gollu@samsung.com> <20210601143749.1669-2-anaidu.gollu@samsung.com> <20210601171936.GB4506@dhcp-10-100-145-180.wdc.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="oYvOjOjWru5amq8h" Content-Disposition: inline In-Reply-To: <20210601171936.GB4506@dhcp-10-100-145-180.wdc.com> Received-SPF: pass client-ip=64.147.123.19; envelope-from=its@irrelevant.dk; helo=wout3-smtp.messagingengine.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action 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: fam@euphon.net, kwolf@redhat.com, qemu-block@nongnu.org, Gollu Appalanaidu , qemu-devel@nongnu.org, mreitz@redhat.com, stefanha@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" --oYvOjOjWru5amq8h Content-Type: text/plain; charset=utf-8; format=flowed Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Jun 1 10:19, Keith Busch wrote: >On Tue, Jun 01, 2021 at 08:07:48PM +0530, Gollu Appalanaidu wrote: >> NVMe Boot Partitions provides an area that may be read by the host >> without initializing queues or even enabling the controller. This >> allows various platform initialization code to be stored on the NVMe >> device instead of some separete medium. >> >> This patch adds the read support for such an area, as well as support >> for updating the boot partition contents from the host through the >> FW Download and Commit commands. > >Please provide some details on what platform initilization sequence >running on QEMU is going to make use of this feature. > I totally get your reluctance to accept useless features like device=20 self-test and ill-supported ones like write uncorrectable. But I think this feature qualifies just fine for the device. It is=20 useful for embedded development and while there might not be any qemu=20 boards that wants to use this *right now*, it allows for=20 experimentation. And this is a feature that actually *is* implemented by=20 real products for embedded systems. --oYvOjOjWru5amq8h Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEUigzqnXi3OaiR2bATeGvMW1PDekFAmC2cUwACgkQTeGvMW1P DenzawgAoV99QV6X9QrXsevghJvMWKgzSqyuwRdBZKnQLdAMilI9KHvR7NdIhb7U 2xf4XfFOlO9ESYpCguiMfI4MAX5WbOtctqFbCnwFGaice7kp2lSa6aElR5+oT7ZN xdNUz6rYeHiCQfRqDWqGE4B8AocU6AFlilzCd8unddv9oRFR/9OnWmbV8xyFCOcS NmCXQ67G3UowVK9MDoJl36STSuav+x4Z075CH92afAP9tJ4YMwy6p7bupFATpBOC XKpO0qF1Q2pfK34EKiKvyEw7lfVdm0jFERX2xhqx0Cggbk7gf0aZjsSUCy0Hs6Ht m0oy00VK+nC/t9hyEaARPo42d2eroA== =6dn9 -----END PGP SIGNATURE----- --oYvOjOjWru5amq8h--