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 AAB29C35249 for ; Wed, 5 Feb 2020 06:38:58 +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 560F72082E for ; Wed, 5 Feb 2020 06:38:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="OYYESufT" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 560F72082E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:41954 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1izEKv-0003Y0-Gv for qemu-devel@archiver.kernel.org; Wed, 05 Feb 2020 01:38:57 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:49592) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1izEKF-00036W-8U for qemu-devel@nongnu.org; Wed, 05 Feb 2020 01:38:16 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1izEKD-0004aF-NI for qemu-devel@nongnu.org; Wed, 05 Feb 2020 01:38:14 -0500 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:29643 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1izEKD-0004R4-Ip for qemu-devel@nongnu.org; Wed, 05 Feb 2020 01:38:13 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1580884692; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=cCFdKfXbcgLJ5uDaR2+wNe5h4vwq355GPSjURHsMFW4=; b=OYYESufTdeRI53vnLmVsCr+0XU9EiM2Lan0xQfLpnFZnHJbmbSlaXtE4JATWnwumA0RT5l 0EosZCTT0H/Ks+8ZTgg9siRQIfW9Fj2pxeGPDeqs7kJrSRqyVPO3eG3qzVnsw9l+GS9OSZ gWf1DQAq9m1a+SV9MWpnaMvYN4lGzes= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-378-4WjWf7OtOISPyeRGsEAzKw-1; Wed, 05 Feb 2020 01:38:09 -0500 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 1ED191137842; Wed, 5 Feb 2020 06:38:08 +0000 (UTC) Received: from blackfin.pond.sub.org (ovpn-116-136.ams2.redhat.com [10.36.116.136]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 6CB2485785; Wed, 5 Feb 2020 06:38:02 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id 03A0C11386A7; Wed, 5 Feb 2020 07:38:01 +0100 (CET) From: Markus Armbruster To: Stefan Hajnoczi Subject: Re: Summary of Re: Making QEMU easier for management tools and applications References: <875zgm2vqv.fsf@dusky.pond.sub.org> Date: Wed, 05 Feb 2020 07:38:00 +0100 In-Reply-To: <875zgm2vqv.fsf@dusky.pond.sub.org> (Markus Armbruster's message of "Tue, 04 Feb 2020 16:54:48 +0100") Message-ID: <871rr91quv.fsf@dusky.pond.sub.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux) MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-MC-Unique: 4WjWf7OtOISPyeRGsEAzKw-1 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 205.139.110.120 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: Kevin Wolf , Peter Maydell , "Daniel P. Berrange" , "Denis V. Lunev" , qemu-devel , Paolo Bonzini , =?utf-8?Q?Marc-Andr=C3=A9?= Lureau , John Snow , Dominik Csapak Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Markus Armbruster writes: [...] > =3D Ways to provide machine-friendly initial configuration =3D > > Two ways to provide machine-friendly initial configuration on par with > QMP have been proposed: > > 1. Extend QMP > > Machines use the CLI only to configure a QMP socket. The remainder > of the CLI becomes human-only, with much relaxed compatibility rules. > > 2. QAPIfy the CLI > > Provide a machine-friendly CLI based on QAPI and JSON. The current > CLI becomes human-only, with much relaxed compatibility rules. > > Aside: I looked into cleaning up the human-only CLI at the same time, > but the need to maintain compatibility until the transition to the > machine-friendly CLI is complete makes this hard. It needs to be > cleaned up, though. More on that below. Forgot to write down: we're talking not just about qemu-system-FOO, but any executable with a non-trivial command line for use by machines. This includes qemu-img, future qemu-storage-daemon, possibly qemu-nbd and more. Of these, qemu-storage-daemon will have a QMP monitor. The others don't have one so far. [...]