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=-0.6 required=3.0 tests=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 32B3AC433DF for ; Mon, 15 Jun 2020 18:08:16 +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 F05482080D for ; Mon, 15 Jun 2020 18:08:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=yandex-team.ru header.i=@yandex-team.ru header.b="BHcdKOqA" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org F05482080D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=yandex-team.ru Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:41156 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jktWp-0001Zb-9p for qemu-devel@archiver.kernel.org; Mon, 15 Jun 2020 14:08:15 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:58774) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jktUG-0006JI-7D; Mon, 15 Jun 2020 14:05:36 -0400 Received: from forwardcorp1p.mail.yandex.net ([77.88.29.217]:38948) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jktUB-0008Sk-Kx; Mon, 15 Jun 2020 14:05:34 -0400 Received: from mxbackcorp1o.mail.yandex.net (mxbackcorp1o.mail.yandex.net [IPv6:2a02:6b8:0:1a2d::301]) by forwardcorp1p.mail.yandex.net (Yandex) with ESMTP id C5F052E15A6; Mon, 15 Jun 2020 21:05:24 +0300 (MSK) Received: from sas2-32987e004045.qloud-c.yandex.net (sas2-32987e004045.qloud-c.yandex.net [2a02:6b8:c08:b889:0:640:3298:7e00]) by mxbackcorp1o.mail.yandex.net (mxbackcorp/Yandex) with ESMTP id 8QHNbBaHmb-5Ka82GjA; Mon, 15 Jun 2020 21:05:24 +0300 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex-team.ru; s=default; t=1592244324; bh=xm8NBmAShTjxBdIzgaGbM6kRTaHHnu7nJyv1yfP8QzY=; h=In-Reply-To:Message-ID:Subject:To:From:References:Date:Cc; b=BHcdKOqAaezM8nX/rmBd0yekLRkAj+47CQsQxYB0wqLsWLGkthbXhHfsARxR2sj0P 4nmSEqFRZUyPh1sXc4UB/1o3rFb1JpzDf5rrfikhWJZmUa9K0eMwSFmsJWKzsMz6gb /wgUm7AR4BKH362TaEutyxPN/vyz4svjz5Wb1I5k= Authentication-Results: mxbackcorp1o.mail.yandex.net; dkim=pass header.i=@yandex-team.ru Received: from dynamic-vpn.dhcp.yndx.net (dynamic-vpn.dhcp.yndx.net [2a02:6b8:b080:7317::1:4]) by sas2-32987e004045.qloud-c.yandex.net (smtpcorp/Yandex) with ESMTPSA id JsFWVHDsbr-5JlqCpJO; Mon, 15 Jun 2020 21:05:20 +0300 (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (Client certificate not present) Date: Mon, 15 Jun 2020 21:05:18 +0300 From: Roman Kagan To: qemu-devel@nongnu.org Subject: Re: [PATCH v8 0/8] block: enhance handling of size-related BlockConf properties Message-ID: <20200615180518.GA4032@rvkaganb.lan> Mail-Followup-To: Roman Kagan , qemu-devel@nongnu.org, Fam Zheng , Kevin Wolf , Stefano Stabellini , Daniel =?iso-8859-1?Q?P=2E_Berrang=E9?= , Eduardo Habkost , qemu-block@nongnu.org, Paul Durrant , John Snow , "Michael S. Tsirkin" , Laurent Vivier , Max Reitz , Keith Busch , Gerd Hoffmann , Stefan Hajnoczi , Paolo Bonzini , Anthony Perard , xen-devel@lists.xenproject.org, Philippe =?iso-8859-1?Q?Mathieu-Daud=E9?= References: <20200528225516.1676602-1-rvkagan@yandex-team.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200528225516.1676602-1-rvkagan@yandex-team.ru> Received-SPF: pass client-ip=77.88.29.217; envelope-from=rvkagan@yandex-team.ru; helo=forwardcorp1p.mail.yandex.net X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/15 14:05:25 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] 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, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN 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 Zheng , Kevin Wolf , Stefano Stabellini , Daniel =?iso-8859-1?Q?P=2E_Berrang=E9?= , Eduardo Habkost , qemu-block@nongnu.org, Paul Durrant , Philippe =?iso-8859-1?Q?Mathieu-Daud=E9?= , "Michael S. Tsirkin" , Laurent Vivier , Max Reitz , Anthony Perard , Gerd Hoffmann , Stefan Hajnoczi , xen-devel@lists.xenproject.org, Keith Busch , Paolo Bonzini , John Snow Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Fri, May 29, 2020 at 01:55:08AM +0300, Roman Kagan wrote: > BlockConf includes several properties counted in bytes. > > Enhance their handling in some aspects, specifically > > - accept common size suffixes (k, m) > - perform consistency checks on the values > - lift the upper limit on physical_block_size and logical_block_size > > Also fix the accessor for opt_io_size in virtio-blk to make it consistent with > the size of the field. > > History: > v7 -> v8: > - replace stringify with %u in error messages [Eric] > - fix wording in logs [Eric] > > v6 -> v7: > - avoid overflow in min_io_size check [Eric] > - try again to perform the art form in patch splitting [Eric] > > v5 -> v6: > - fix forgotten xen-block and swim > - add prop_size32 instead of going with 64bit > > v4 -> v5: > - re-split the patches [Philippe] > - fix/reword error messages [Philippe, Kevin] > - do early return on failed consistency check [Philippe] > - use QEMU_IS_ALIGNED instead of open coding [Philippe] > - make all BlockConf size props support suffixes > - expand the log for virtio-blk opt_io_size [Michael] > > v3 -> v4: > - add patch to fix opt_io_size width in virtio-blk > - add patch to perform consistency checks [Kevin] > - check min_io_size against truncation [Kevin] > > v2 -> v3: > - mention qcow2 cluster size limit in the log and comment [Eric] > > v1 -> v2: > - cap the property at 2 MiB [Eric] > - accept size suffixes > > Roman Kagan (8): > virtio-blk: store opt_io_size with correct size > block: consolidate blocksize properties consistency checks > qdev-properties: blocksize: use same limits in code and description > qdev-properties: add size32 property type > qdev-properties: make blocksize accept size suffixes > block: make BlockConf size props 32bit and accept size suffixes > qdev-properties: add getter for size32 and blocksize > block: lift blocksize property limit to 2 MiB > > include/hw/block/block.h | 14 +- > include/hw/qdev-properties.h | 5 +- > hw/block/block.c | 40 ++- > hw/block/fdc.c | 5 +- > hw/block/nvme.c | 5 +- > hw/block/swim.c | 5 +- > hw/block/virtio-blk.c | 9 +- > hw/block/xen-block.c | 6 +- > hw/core/qdev-properties.c | 85 +++++- > hw/ide/qdev.c | 5 +- > hw/scsi/scsi-disk.c | 12 +- > hw/usb/dev-storage.c | 5 +- > tests/qemu-iotests/172.out | 532 +++++++++++++++++------------------ > 13 files changed, 419 insertions(+), 309 deletions(-) Ping?