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 B58A5C2D0DB for ; Mon, 27 Jan 2020 16:19:57 +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 7BC1C2087F for ; Mon, 27 Jan 2020 16:19:57 +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="bTPQs2Cf" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7BC1C2087F 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]:47496 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iw77E-000361-N2 for qemu-devel@archiver.kernel.org; Mon, 27 Jan 2020 11:19:56 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:58413) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iw76A-0002Ut-DX for qemu-devel@nongnu.org; Mon, 27 Jan 2020 11:18:51 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iw769-0004gk-7Y for qemu-devel@nongnu.org; Mon, 27 Jan 2020 11:18:50 -0500 Received: from us-smtp-2.mimecast.com ([205.139.110.61]:34143 helo=us-smtp-delivery-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iw769-0004gD-3f for qemu-devel@nongnu.org; Mon, 27 Jan 2020 11:18:49 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1580141928; 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=3z5F/5L1XRLqZjLqch4jwuA6WwN4doiOZyvEJx6eFzw=; b=bTPQs2Cfgkq8ESJuDpbJ82kKmwZ8dJssQQaN1Ong0uThC1so89AE5y3rXxzl/ujxctQm+E td87hpJwrb6VNpEyLRwZ6jeF+ZBdo0+RdydclvRS08fdizd/0fRzHw7OS2i8i16C95apaN GF7nRhOGEySj2OAXjpc8Ki5OccNOqpo= 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-142-RmCOp7YxMNud-erLdsZHJA-1; Mon, 27 Jan 2020 11:18:44 -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 40CD3DBF3; Mon, 27 Jan 2020 16:18:41 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-116-84.ams2.redhat.com [10.36.116.84]) by smtp.corp.redhat.com (Postfix) with ESMTP id 6C53A811FA; Mon, 27 Jan 2020 16:18:33 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 90B881747D; Mon, 27 Jan 2020 17:18:32 +0100 (CET) Date: Mon, 27 Jan 2020 17:18:32 +0100 From: Gerd Hoffmann To: Kevin Wolf Subject: Re: Making QEMU easier for management tools and applications Message-ID: <20200127161832.pp2u4lx23hiuudr6@sirius.home.kraxel.org> References: <20191224134139.GD2710539@redhat.com> <30664f6e-81da-a6e6-9b20-037fc91290fb@redhat.com> <878slyej29.fsf@dusky.pond.sub.org> <20200123190145.GI657556@redhat.com> <2561a069-ce5f-3c30-b04e-db7cd2fcdc85@redhat.com> <871rrp474i.fsf@dusky.pond.sub.org> <20200127083513.hgl5ydgpn4mkuho5@sirius.home.kraxel.org> <20200127121311.GB5669@linux.fritz.box> MIME-Version: 1.0 In-Reply-To: <20200127121311.GB5669@linux.fritz.box> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-MC-Unique: RmCOp7YxMNud-erLdsZHJA-1 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Content-Disposition: inline X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 205.139.110.61 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: Peter Maydell , Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= , "Denis V. Lunev" , Cleber Rosa , Stefan Hajnoczi , Markus Armbruster , Eduardo Habkost , 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" Hi, > > We already have qapi schema for -blockdev + -display + -audiodev + > > -chardev, creating a configuration struct which supports these > > shouldn't be that much effort. Then move over QemuOpts one by one. >=20 > chardev-add uses a QAPI type that has too deep nesting to be user > friendly. Yea, right, it is relatively old and doesn't use stuff like base types which didn't exist back then ... > > Once config file support is complete enough we should be able to offloa= d > > backward compatibility command line parsing to some script which > > transforms the cli into a config file. Which is probably better than > > trying to add -writeconfig to qemu as we don't have to do the string > > processing in C then. >=20 > If we get a launcher script anyway, I would argue that the system > emulator binary written in C should only support JSON (like it already > does) and the script can easily translate from YAML to JSON. That makes sense indeed. cheers, Gerd