From patchwork Mon Nov 6 07:22:58 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Marc-Andr=C3=A9_Lureau?= X-Patchwork-Id: 13446378 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 74D6AC4332F for ; Mon, 6 Nov 2023 07:24:52 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qztxu-0001qO-D0; Mon, 06 Nov 2023 02:24:06 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qztxq-0001kC-Db for qemu-devel@nongnu.org; Mon, 06 Nov 2023 02:24:02 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qztxo-0006Lb-HN for qemu-devel@nongnu.org; Mon, 06 Nov 2023 02:24:02 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1699255436; 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=bmV56O8rUuNhsZEmD3/vWvetTBu+YFNXX7Trndub2hs=; b=Hj3lYzXd14w4nZjh+eXPOMnZNJix2pmAXiJYkKqITvjWCLT14Nm4Kws3x71PHrpEJNiIkh RDWs1ocyWgGD6oU6e6H0EijoWM9rHgoEMbTCzMcT6Xz0IkqbUMIr12fcDcW/18+nmbCuYX 2ssntQHZGPBiwVDHKbp2egSZWtu1UVw= Received: from mimecast-mx02.redhat.com (mx-ext.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-439-m-rYAdAXMzG1d4d34jPEjg-1; Mon, 06 Nov 2023 02:23:55 -0500 X-MC-Unique: m-rYAdAXMzG1d4d34jPEjg-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.rdu2.redhat.com [10.11.54.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id DAC633C14900; Mon, 6 Nov 2023 07:23:54 +0000 (UTC) Received: from localhost (unknown [10.39.208.31]) by smtp.corp.redhat.com (Postfix) with ESMTP id D668325C0; Mon, 6 Nov 2023 07:23:53 +0000 (UTC) From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Cc: stefanha@gmail.com, =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , Gerd Hoffmann , Paolo Bonzini Subject: [PULL 09/23] ui/console: allow to override the default VC Date: Mon, 6 Nov 2023 11:22:58 +0400 Message-ID: <20231106072313.1742543-10-marcandre.lureau@redhat.com> In-Reply-To: <20231106072313.1742543-1-marcandre.lureau@redhat.com> References: <20231106072313.1742543-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.1 Received-SPF: pass client-ip=170.10.129.124; envelope-from=marcandre.lureau@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -26 X-Spam_score: -2.7 X-Spam_bar: -- X-Spam_report: (-2.7 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.581, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Marc-André Lureau If a display is backed by a specialized VC, allow to override the default "vc:80Cx24C". As suggested by Paolo, if the display doesn't implement a VC (get_vc() returns NULL), use a fallback that will use a muxed console on stdio. This changes the behaviour of "qemu -display none", to create a muxed serial/monitor by default (on TTY & not daemonized). Signed-off-by: Marc-André Lureau Reviewed-by: Thomas Huth --- include/ui/console.h | 2 ++ system/vl.c | 27 +++++++++++++++++---------- ui/console.c | 14 ++++++++++++++ 3 files changed, 33 insertions(+), 10 deletions(-) diff --git a/include/ui/console.h b/include/ui/console.h index acb61a7f15..a4a49ffc64 100644 --- a/include/ui/console.h +++ b/include/ui/console.h @@ -462,12 +462,14 @@ struct QemuDisplay { DisplayType type; void (*early_init)(DisplayOptions *opts); void (*init)(DisplayState *ds, DisplayOptions *opts); + const char *vc; }; void qemu_display_register(QemuDisplay *ui); bool qemu_display_find_default(DisplayOptions *opts); void qemu_display_early_init(DisplayOptions *opts); void qemu_display_init(DisplayState *ds, DisplayOptions *opts); +const char *qemu_display_get_vc(DisplayOptions *opts); void qemu_display_help(void); /* vnc.c */ diff --git a/system/vl.c b/system/vl.c index cf46e438cc..bd7fad770b 100644 --- a/system/vl.c +++ b/system/vl.c @@ -1372,6 +1372,7 @@ static void qemu_setup_display(void) static void qemu_create_default_devices(void) { MachineClass *machine_class = MACHINE_GET_CLASS(current_machine); + const char *vc = qemu_display_get_vc(&dpy); if (is_daemonized()) { /* According to documentation and historically, -nographic redirects @@ -1390,24 +1391,30 @@ static void qemu_create_default_devices(void) } } - if (nographic) { - if (default_parallel) + if (nographic || (!vc && !is_daemonized() && isatty(STDOUT_FILENO))) { + if (default_parallel) { add_device_config(DEV_PARALLEL, "null"); + } if (default_serial && default_monitor) { add_device_config(DEV_SERIAL, "mon:stdio"); } else { - if (default_serial) + if (default_serial) { add_device_config(DEV_SERIAL, "stdio"); - if (default_monitor) + } + if (default_monitor) { monitor_parse("stdio", "readline", false); + } } } else { - if (default_serial) - add_device_config(DEV_SERIAL, "vc:80Cx24C"); - if (default_parallel) - add_device_config(DEV_PARALLEL, "vc:80Cx24C"); - if (default_monitor) - monitor_parse("vc:80Cx24C", "readline", false); + if (default_serial) { + add_device_config(DEV_SERIAL, vc ?: "null"); + } + if (default_parallel) { + add_device_config(DEV_PARALLEL, vc ?: "null"); + } + if (default_monitor && vc) { + monitor_parse(vc, "readline", false); + } } if (default_net) { diff --git a/ui/console.c b/ui/console.c index 8ee66d10c5..a758ed62ad 100644 --- a/ui/console.c +++ b/ui/console.c @@ -1675,6 +1675,20 @@ void qemu_display_init(DisplayState *ds, DisplayOptions *opts) dpys[opts->type]->init(ds, opts); } +const char *qemu_display_get_vc(DisplayOptions *opts) +{ + assert(opts->type < DISPLAY_TYPE__MAX); + if (opts->type == DISPLAY_TYPE_NONE) { + return NULL; + } + assert(dpys[opts->type] != NULL); + if (dpys[opts->type]->vc) { + return dpys[opts->type]->vc; + } else { + return "vc:80Cx24C"; + } +} + void qemu_display_help(void) { int idx;