From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from list by lists.gnu.org with archive (Exim 4.90_1) id 1mQBWK-0004nF-Jv for mharc-qemu-riscv@gnu.org; Tue, 14 Sep 2021 12:42:56 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:32834) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mQBWJ-0004m7-8W for qemu-riscv@nongnu.org; Tue, 14 Sep 2021 12:42:55 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:27562) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mQBWF-0005rW-Tg for qemu-riscv@nongnu.org; Tue, 14 Sep 2021 12:42:54 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1631637770; h=from:from:reply-to: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=u6lYb/Hns0Z5Yn1l/dJhMFIvPLSVRob/t5UIXhvXgSM=; b=YJfl9enRqV9slG9XfyGmPsdbgTvlpU+yLJxfbyGneBm2u5kA0wGAUaZ7iZnbDMkLtPDAWs vUqFDognh2oQ+zEUWk+Ui/G1nZfGwYZqHhG+uUtO0sVrHMWZL8hnO2bQTI5RH/IwuUpONq ilcNAn8YLUyJIIzUJ/RAuyd6p+7Gnf4= 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-74-QL0xhPSOOqmlXjypKPWyOw-1; Tue, 14 Sep 2021 12:42:49 -0400 X-MC-Unique: QL0xhPSOOqmlXjypKPWyOw-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 9ACDB100C668; Tue, 14 Sep 2021 16:42:45 +0000 (UTC) Received: from redhat.com (unknown [10.39.193.47]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 1BC2A60C82; Tue, 14 Sep 2021 16:42:26 +0000 (UTC) Date: Tue, 14 Sep 2021 17:42:24 +0100 From: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= To: Philippe =?utf-8?Q?Mathieu-Daud=C3=A9?= Cc: qemu-devel@nongnu.org, Peter Maydell , Chris Wulff , David Hildenbrand , Bin Meng , Mark Cave-Ayland , Yuval Shaia , Laurent Vivier , Max Filippov , Taylor Simpson , Alistair Francis , Gerd Hoffmann , "Edgar E. Iglesias" , Eric Blake , Marek Vasut , Yoshinori Sato , Markus Armbruster , Halil Pasic , Christian Borntraeger , Palmer Dabbelt , Artyom Tarasenko , Laurent Vivier , Thomas Huth , Eduardo Habkost , Richard Henderson , Greg Kurz , "Dr. David Alan Gilbert" , qemu-s390x@nongnu.org, qemu-arm@nongnu.org, Michael Rolnik , Peter Xu , Stafford Horne , David Gibson , qemu-riscv@nongnu.org, Bastian Koppelmann , Cornelia Huck , qemu-ppc@nongnu.org, Paolo Bonzini , Aleksandar Rikalo , Aurelien Jarno Subject: Re: [PATCH v2 30/53] qapi: introduce x-query-roms QMP command Message-ID: Reply-To: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= References: <20210914142042.1655100-1-berrange@redhat.com> <20210914142042.1655100-31-berrange@redhat.com> <342ccd00-7210-1169-fb9d-3fad8d3c3470@redhat.com> MIME-Version: 1.0 In-Reply-To: <342ccd00-7210-1169-fb9d-3fad8d3c3470@redhat.com> User-Agent: Mutt/2.0.7 (2021-05-04) X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=berrange@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=170.10.133.124; envelope-from=berrange@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -31 X-Spam_score: -3.2 X-Spam_bar: --- X-Spam_report: (-3.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.398, 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_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-riscv@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 14 Sep 2021 16:42:55 -0000 On Tue, Sep 14, 2021 at 06:04:48PM +0200, Philippe Mathieu-Daudé wrote: > On 9/14/21 4:20 PM, Daniel P. Berrangé wrote: > > This is a counterpart to the HMP "info roms" command. It is being > > added with an "x-" prefix because this QMP command is intended as an > > adhoc debugging tool and will thus not be modelled in QAPI as fully > > structured data, nor will it have long term guaranteed stability. > > The existing HMP command is rewritten to call the QMP command. > > > > Signed-off-by: Daniel P. Berrangé > > --- > > hw/core/loader.c | 55 ++++++++++++++++++++++++++++++++--------------- > > qapi/machine.json | 12 +++++++++++ > > 2 files changed, 50 insertions(+), 17 deletions(-) > > > -void hmp_info_roms(Monitor *mon, const QDict *qdict) > > +HumanReadableText *qmp_x_query_roms(Error **errp) > > { > > Rom *rom; > > + g_autoptr(GString) buf = g_string_new(""); > > + HumanReadableText *ret; > > > > QTAILQ_FOREACH(rom, &roms, next) { > > if (rom->mr) { > > - monitor_printf(mon, "%s" > > - " size=0x%06zx name=\"%s\"\n", > > - memory_region_name(rom->mr), > > - rom->romsize, > > - rom->name); > > + g_string_append_printf(buf, "%s" > > + " size=0x%06zx name=\"%s\"\n", > > + memory_region_name(rom->mr), > > + rom->romsize, > > + rom->name); > > } else if (!rom->fw_file) { > > - monitor_printf(mon, "addr=" TARGET_FMT_plx > > - " size=0x%06zx mem=%s name=\"%s\"\n", > > - rom->addr, rom->romsize, > > - rom->isrom ? "rom" : "ram", > > - rom->name); > > + g_string_append_printf(buf, "addr=" TARGET_FMT_plx > > + " size=0x%06zx mem=%s name=\"%s\"\n", > > + rom->addr, rom->romsize, > > + rom->isrom ? "rom" : "ram", > > + rom->name); > > } else { > > - monitor_printf(mon, "fw=%s/%s" > > - " size=0x%06zx name=\"%s\"\n", > > - rom->fw_dir, > > - rom->fw_file, > > - rom->romsize, > > - rom->name); > > + g_string_append_printf(buf, "fw=%s/%s" > > + " size=0x%06zx name=\"%s\"\n", > > + rom->fw_dir, > > + rom->fw_file, > > + rom->romsize, > > + rom->name); > > } > > } > > + > > + ret = g_new0(HumanReadableText, 1); > > + ret->human_readable_text = g_steal_pointer(&buf->str); > > + return ret; > > +} > > Is it possible to have an helper in 'qapi/qmp/smth.h' such: > > HumanReadableText *qmp_human_readable_text_new(GString **pbuf) > { > HumanReadableText *ret = g_new0(HumanReadableText, 1); > > ret->human_readable_text = g_steal_pointer(pbuf); NB, we're not stealing the GString, we're stealing the char * inside it. > > return ret; > } but yes, we could do a helper like this. Regards, Daniel -- |: https://berrange.com -o- https://www.flickr.com/photos/dberrange :| |: https://libvirt.org -o- https://fstop138.berrange.com :| |: https://entangle-photo.org -o- https://www.instagram.com/dberrange :| From mboxrd@z Thu Jan 1 00:00:00 1970 Received: by 2002:ac2:5978:0:0:0:0:0 with SMTP id h24csp855765lfp; Tue, 14 Sep 2021 09:43:25 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyS36baeTVccIdaiMeogBOJueAcw/V/COevPyklHLuUbejSssIXjA/F4n8YOWAhJLKsFjdF X-Received: by 2002:a5d:5511:: with SMTP id b17mr107270wrv.318.1631637805087; Tue, 14 Sep 2021 09:43:25 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1631637805; cv=none; d=google.com; s=arc-20160816; b=sSQgdbX+88CNTeWmnL+g+QFVpdL+rNkETWXobJvL45U+CZHho0vIUIV72xng7g/CXy mK2pGMmQAwD97P6OTV5ASgqRwi7GeS3PMUW5RGXY8iIZpZK4WFg0VfMAEKHVibe8XEy8 g7f/7C5PbCO7UhE7BBmOhxykXJBt4kyuJ2ynNAv8GNqrKrZpeqLQEamD7Yoh5cJJrKEc Svo3CJYXkMEnfXwpz3DaITM8bBhJsUaG3x/ln4g/yGDumNgUEDLXjFKQpntStB5W3oQJ fM/Fs7LVqDv4Jy8aXQk9rOzs14TQzyT+4azzN/iNPR8O9g40bSpQwImqnZGzmYiKzL7d pG2Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:cc:reply-to:list-subscribe:list-help:list-post :list-archive:list-unsubscribe:list-id:precedence :content-transfer-encoding:content-disposition:user-agent :in-reply-to:mime-version:references:message-id:subject:to:from:date :dkim-signature; bh=u6lYb/Hns0Z5Yn1l/dJhMFIvPLSVRob/t5UIXhvXgSM=; b=Q9MXXFlByau2dyOyTXj+dFNbSjgFZ5vnXfyo2Bi2sqKKKXSYZZmg0HoQG6bkB92IaA PYEO74nfyr62pLYbVwR9r5DP825bmEAw2kWpza1xu0zhPwxUeXkWJT98O1afqxj7LNp8 Tbyt00J6HsL+a6D8Gh6cdwtSD8rK35o7TFdVWRwcjMFTuPU3wiE6qKqu1FU8KXrZ64yj Qjwj9vUK/zox03xdbUjSTiPQ6a2mu8Cy54d5p3uxoS2KI+PeT8JElLephknDsVHwQOK+ GIJ1cN3IYBDgbD4vVnkrSHdts5/XGzStkevpsnlPHkx6SLZu0jJnJ6ig8RFEmqjf5vvc OM/g== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@redhat.com header.s=mimecast20190719 header.b=YJfl9enR; spf=pass (google.com: domain of qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org"; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org. 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Tue, 14 Sep 2021 12:42:49 -0400 X-MC-Unique: QL0xhPSOOqmlXjypKPWyOw-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 9ACDB100C668; Tue, 14 Sep 2021 16:42:45 +0000 (UTC) Received: from redhat.com (unknown [10.39.193.47]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 1BC2A60C82; Tue, 14 Sep 2021 16:42:26 +0000 (UTC) Date: Tue, 14 Sep 2021 17:42:24 +0100 From: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= To: Philippe =?utf-8?Q?Mathieu-Daud=C3=A9?= Subject: Re: [PATCH v2 30/53] qapi: introduce x-query-roms QMP command Message-ID: References: <20210914142042.1655100-1-berrange@redhat.com> <20210914142042.1655100-31-berrange@redhat.com> <342ccd00-7210-1169-fb9d-3fad8d3c3470@redhat.com> MIME-Version: 1.0 In-Reply-To: <342ccd00-7210-1169-fb9d-3fad8d3c3470@redhat.com> User-Agent: Mutt/2.0.7 (2021-05-04) X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=berrange@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=170.10.133.124; envelope-from=berrange@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -31 X-Spam_score: -3.2 X-Spam_bar: --- X-Spam_report: (-3.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.398, 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_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-arm@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= Cc: Peter Maydell , Cornelia Huck , David Hildenbrand , Bin Meng , Mark Cave-Ayland , qemu-devel@nongnu.org, Peter Xu , Max Filippov , Taylor Simpson , Alistair Francis , Gerd Hoffmann , Eric Blake , Marek Vasut , Yoshinori Sato , Markus Armbruster , Halil Pasic , Christian Borntraeger , qemu-ppc@nongnu.org, Artyom Tarasenko , Laurent Vivier , Thomas Huth , Eduardo Habkost , Richard Henderson , Greg Kurz , Yuval Shaia , qemu-s390x@nongnu.org, qemu-arm@nongnu.org, Michael Rolnik , Stafford Horne , David Gibson , qemu-riscv@nongnu.org, Bastian Koppelmann , Chris Wulff , Laurent Vivier , Palmer Dabbelt , Aurelien Jarno , Paolo Bonzini , Aleksandar Rikalo , "Dr. David Alan Gilbert" Errors-To: qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org Sender: "Qemu-arm" X-TUID: +WAOfjT1/M7X On Tue, Sep 14, 2021 at 06:04:48PM +0200, Philippe Mathieu-Daudé wrote: > On 9/14/21 4:20 PM, Daniel P. Berrangé wrote: > > This is a counterpart to the HMP "info roms" command. It is being > > added with an "x-" prefix because this QMP command is intended as an > > adhoc debugging tool and will thus not be modelled in QAPI as fully > > structured data, nor will it have long term guaranteed stability. > > The existing HMP command is rewritten to call the QMP command. > > > > Signed-off-by: Daniel P. Berrangé > > --- > > hw/core/loader.c | 55 ++++++++++++++++++++++++++++++++--------------- > > qapi/machine.json | 12 +++++++++++ > > 2 files changed, 50 insertions(+), 17 deletions(-) > > > -void hmp_info_roms(Monitor *mon, const QDict *qdict) > > +HumanReadableText *qmp_x_query_roms(Error **errp) > > { > > Rom *rom; > > + g_autoptr(GString) buf = g_string_new(""); > > + HumanReadableText *ret; > > > > QTAILQ_FOREACH(rom, &roms, next) { > > if (rom->mr) { > > - monitor_printf(mon, "%s" > > - " size=0x%06zx name=\"%s\"\n", > > - memory_region_name(rom->mr), > > - rom->romsize, > > - rom->name); > > + g_string_append_printf(buf, "%s" > > + " size=0x%06zx name=\"%s\"\n", > > + memory_region_name(rom->mr), > > + rom->romsize, > > + rom->name); > > } else if (!rom->fw_file) { > > - monitor_printf(mon, "addr=" TARGET_FMT_plx > > - " size=0x%06zx mem=%s name=\"%s\"\n", > > - rom->addr, rom->romsize, > > - rom->isrom ? "rom" : "ram", > > - rom->name); > > + g_string_append_printf(buf, "addr=" TARGET_FMT_plx > > + " size=0x%06zx mem=%s name=\"%s\"\n", > > + rom->addr, rom->romsize, > > + rom->isrom ? "rom" : "ram", > > + rom->name); > > } else { > > - monitor_printf(mon, "fw=%s/%s" > > - " size=0x%06zx name=\"%s\"\n", > > - rom->fw_dir, > > - rom->fw_file, > > - rom->romsize, > > - rom->name); > > + g_string_append_printf(buf, "fw=%s/%s" > > + " size=0x%06zx name=\"%s\"\n", > > + rom->fw_dir, > > + rom->fw_file, > > + rom->romsize, > > + rom->name); > > } > > } > > + > > + ret = g_new0(HumanReadableText, 1); > > + ret->human_readable_text = g_steal_pointer(&buf->str); > > + return ret; > > +} > > Is it possible to have an helper in 'qapi/qmp/smth.h' such: > > HumanReadableText *qmp_human_readable_text_new(GString **pbuf) > { > HumanReadableText *ret = g_new0(HumanReadableText, 1); > > ret->human_readable_text = g_steal_pointer(pbuf); NB, we're not stealing the GString, we're stealing the char * inside it. > > return ret; > } but yes, we could do a helper like this. Regards, Daniel -- |: https://berrange.com -o- https://www.flickr.com/photos/dberrange :| |: https://libvirt.org -o- https://fstop138.berrange.com :| |: https://entangle-photo.org -o- https://www.instagram.com/dberrange :| 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=-15.1 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham 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 78000C433EF for ; Tue, 14 Sep 2021 16:44:11 +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 DA94D60FD7 for ; Tue, 14 Sep 2021 16:44:10 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org DA94D60FD7 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:47224 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mQBXV-00065M-Rj for qemu-devel@archiver.kernel.org; Tue, 14 Sep 2021 12:44:09 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:32852) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mQBWJ-0004mH-Fj for qemu-devel@nongnu.org; Tue, 14 Sep 2021 12:42:55 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:41971) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mQBWG-0005rY-7I for qemu-devel@nongnu.org; Tue, 14 Sep 2021 12:42:55 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1631637770; h=from:from:reply-to: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=u6lYb/Hns0Z5Yn1l/dJhMFIvPLSVRob/t5UIXhvXgSM=; b=YJfl9enRqV9slG9XfyGmPsdbgTvlpU+yLJxfbyGneBm2u5kA0wGAUaZ7iZnbDMkLtPDAWs vUqFDognh2oQ+zEUWk+Ui/G1nZfGwYZqHhG+uUtO0sVrHMWZL8hnO2bQTI5RH/IwuUpONq ilcNAn8YLUyJIIzUJ/RAuyd6p+7Gnf4= 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-74-QL0xhPSOOqmlXjypKPWyOw-1; Tue, 14 Sep 2021 12:42:49 -0400 X-MC-Unique: QL0xhPSOOqmlXjypKPWyOw-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 9ACDB100C668; Tue, 14 Sep 2021 16:42:45 +0000 (UTC) Received: from redhat.com (unknown [10.39.193.47]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 1BC2A60C82; Tue, 14 Sep 2021 16:42:26 +0000 (UTC) Date: Tue, 14 Sep 2021 17:42:24 +0100 From: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= To: Philippe =?utf-8?Q?Mathieu-Daud=C3=A9?= Subject: Re: [PATCH v2 30/53] qapi: introduce x-query-roms QMP command Message-ID: References: <20210914142042.1655100-1-berrange@redhat.com> <20210914142042.1655100-31-berrange@redhat.com> <342ccd00-7210-1169-fb9d-3fad8d3c3470@redhat.com> MIME-Version: 1.0 In-Reply-To: <342ccd00-7210-1169-fb9d-3fad8d3c3470@redhat.com> User-Agent: Mutt/2.0.7 (2021-05-04) X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=berrange@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=170.10.133.124; envelope-from=berrange@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -31 X-Spam_score: -3.2 X-Spam_bar: --- X-Spam_report: (-3.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.398, 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_H2=-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: , Reply-To: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= Cc: Peter Maydell , Cornelia Huck , David Hildenbrand , Bin Meng , Mark Cave-Ayland , qemu-devel@nongnu.org, Peter Xu , Max Filippov , Taylor Simpson , Alistair Francis , Gerd Hoffmann , "Edgar E. Iglesias" , Eric Blake , Marek Vasut , Yoshinori Sato , Markus Armbruster , Halil Pasic , Christian Borntraeger , qemu-ppc@nongnu.org, Artyom Tarasenko , Laurent Vivier , Thomas Huth , Eduardo Habkost , Richard Henderson , Greg Kurz , Yuval Shaia , qemu-s390x@nongnu.org, qemu-arm@nongnu.org, Michael Rolnik , Stafford Horne , David Gibson , qemu-riscv@nongnu.org, Bastian Koppelmann , Chris Wulff , Laurent Vivier , Palmer Dabbelt , Aurelien Jarno , Paolo Bonzini , Aleksandar Rikalo , "Dr. David Alan Gilbert" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Tue, Sep 14, 2021 at 06:04:48PM +0200, Philippe Mathieu-Daudé wrote: > On 9/14/21 4:20 PM, Daniel P. Berrangé wrote: > > This is a counterpart to the HMP "info roms" command. It is being > > added with an "x-" prefix because this QMP command is intended as an > > adhoc debugging tool and will thus not be modelled in QAPI as fully > > structured data, nor will it have long term guaranteed stability. > > The existing HMP command is rewritten to call the QMP command. > > > > Signed-off-by: Daniel P. Berrangé > > --- > > hw/core/loader.c | 55 ++++++++++++++++++++++++++++++++--------------- > > qapi/machine.json | 12 +++++++++++ > > 2 files changed, 50 insertions(+), 17 deletions(-) > > > -void hmp_info_roms(Monitor *mon, const QDict *qdict) > > +HumanReadableText *qmp_x_query_roms(Error **errp) > > { > > Rom *rom; > > + g_autoptr(GString) buf = g_string_new(""); > > + HumanReadableText *ret; > > > > QTAILQ_FOREACH(rom, &roms, next) { > > if (rom->mr) { > > - monitor_printf(mon, "%s" > > - " size=0x%06zx name=\"%s\"\n", > > - memory_region_name(rom->mr), > > - rom->romsize, > > - rom->name); > > + g_string_append_printf(buf, "%s" > > + " size=0x%06zx name=\"%s\"\n", > > + memory_region_name(rom->mr), > > + rom->romsize, > > + rom->name); > > } else if (!rom->fw_file) { > > - monitor_printf(mon, "addr=" TARGET_FMT_plx > > - " size=0x%06zx mem=%s name=\"%s\"\n", > > - rom->addr, rom->romsize, > > - rom->isrom ? "rom" : "ram", > > - rom->name); > > + g_string_append_printf(buf, "addr=" TARGET_FMT_plx > > + " size=0x%06zx mem=%s name=\"%s\"\n", > > + rom->addr, rom->romsize, > > + rom->isrom ? "rom" : "ram", > > + rom->name); > > } else { > > - monitor_printf(mon, "fw=%s/%s" > > - " size=0x%06zx name=\"%s\"\n", > > - rom->fw_dir, > > - rom->fw_file, > > - rom->romsize, > > - rom->name); > > + g_string_append_printf(buf, "fw=%s/%s" > > + " size=0x%06zx name=\"%s\"\n", > > + rom->fw_dir, > > + rom->fw_file, > > + rom->romsize, > > + rom->name); > > } > > } > > + > > + ret = g_new0(HumanReadableText, 1); > > + ret->human_readable_text = g_steal_pointer(&buf->str); > > + return ret; > > +} > > Is it possible to have an helper in 'qapi/qmp/smth.h' such: > > HumanReadableText *qmp_human_readable_text_new(GString **pbuf) > { > HumanReadableText *ret = g_new0(HumanReadableText, 1); > > ret->human_readable_text = g_steal_pointer(pbuf); NB, we're not stealing the GString, we're stealing the char * inside it. > > return ret; > } but yes, we could do a helper like this. Regards, Daniel -- |: https://berrange.com -o- https://www.flickr.com/photos/dberrange :| |: https://libvirt.org -o- https://fstop138.berrange.com :| |: https://entangle-photo.org -o- https://www.instagram.com/dberrange :|