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 6821CC47082 for ; Tue, 8 Jun 2021 15:03:29 +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 EA8AA6124C for ; Tue, 8 Jun 2021 15:03:28 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EA8AA6124C 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]:35730 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lqdGJ-0005om-VB for qemu-devel@archiver.kernel.org; Tue, 08 Jun 2021 11:03:27 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:43710) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lqdEe-0003ha-1w for qemu-devel@nongnu.org; Tue, 08 Jun 2021 11:01:44 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:49772) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lqdEa-000744-Dk for qemu-devel@nongnu.org; Tue, 08 Jun 2021 11:01:43 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1623164498; 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: in-reply-to:in-reply-to:references:references; bh=vHn1nNEpA7tmHseNu9AIPjZ980gusX4Tnq2u3o4whuI=; b=DIKVApfpi1igbe+cjjOarKuCquZcr+N0627vs2kYgwkHoRmxgXxcu6zTJrIZ92w8dIGHDE 7H9KDw9ogu2NSPRO6YD9Ix6y7s8pEBulX8sx9p6QuMmTlGDWyVUhYsO1lsRgwLARF2HyjM Z8DFM59FVOaDY4Wdh7gpdHVZUawwAY8= 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-483-e2ud_cAGNrm0WgeK2mdong-1; Tue, 08 Jun 2021 11:01:37 -0400 X-MC-Unique: e2ud_cAGNrm0WgeK2mdong-1 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 503FF1936B60; Tue, 8 Jun 2021 15:01:36 +0000 (UTC) Received: from blackfin.pond.sub.org (ovpn-112-222.ams2.redhat.com [10.36.112.222]) by smtp.corp.redhat.com (Postfix) with ESMTPS id A8B78620DE; Tue, 8 Jun 2021 15:01:29 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id 3A48D113865F; Tue, 8 Jun 2021 17:01:28 +0200 (CEST) From: Markus Armbruster To: John Snow Subject: Re: GSoC Intro - TUI interface for QMP References: Date: Tue, 08 Jun 2021 17:01:28 +0200 In-Reply-To: (John Snow's message of "Tue, 1 Jun 2021 19:47:08 -0400") Message-ID: <87czswxuwn.fsf@dusky.pond.sub.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=armbru@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain Received-SPF: pass client-ip=216.205.24.124; envelope-from=armbru@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -29 X-Spam_score: -3.0 X-Spam_bar: --- X-Spam_report: (-3.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.197, 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_NONE=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: kwolf@redhat.com, ehabkost@redhat.com, qemu-devel@nongnu.org, wainersm@redhat.com, armbru@redhat.com, "Niteesh G. S." , Stefan Hajnoczi Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" John Snow writes: [...] > A challenge will be where to pull the help text from. The QEMU server > is not capable (today) of sending help information over the QMP socket > itself. > > We will need to implement a QMP command inside of QEMU directly that > is capable of delivering this information to the client so that it can > render it. > > Since not all versions of QEMU will have this feature, the qmp-shell > will need to be able to gracefully deal with the lack of help text, > displaying an error indicating that this version of QEMU does not have > help information compiled into it. The doc text is bulky: my bld/docs/manual/interop/qemu-qmp-ref.html is 1.7 MiB and growing. Less lavish markup results in smaller data. We may want to store it compressed, or load it on demand. We might even have to make it compile-time optional for some use cases.