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bh=bmV56O8rUuNhsZEmD3/vWvetTBu+YFNXX7Trndub2hs=; b=dr7kzmLqGdmMBOl6j26kHhqfQWxAzogGC0B7X36J1Gi6uBzOcQoBtR/dQjSrRnFbfTWNIZ CSziLeTMEApo5t182jS8BSpvimUyhwAd0M6p3aXah2zxOy87m5L04tV7n8HkYFbK0ryBi2 vt51dJw8vp7bPzTyuvCLtyIYhhsLhJU= X-MC-Unique: HhgKFJTDNsO7xY5ylfXoHQ-1 From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Cc: stefanha@gmail.com, =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Gerd Hoffmann , Paolo Bonzini Subject: [PULL v2 09/24] ui/console: allow to override the default VC Date: Mon, 6 Nov 2023 13:55:26 +0400 Message-ID: <20231106095542.1852973-10-marcandre.lureau@redhat.com> In-Reply-To: <20231106095542.1852973-1-marcandre.lureau@redhat.com> References: <20231106095542.1852973-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.8 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1699264664020100003 From: Marc-Andr=C3=A9 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-Andr=C3=A9 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; }; =20 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); =20 /* 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 =3D MACHINE_GET_CLASS(current_machine); + const char *vc =3D qemu_display_get_vc(&dpy); =20 if (is_daemonized()) { /* According to documentation and historically, -nographic redirec= ts @@ -1390,24 +1391,30 @@ static void qemu_create_default_devices(void) } } =20 - 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); + } } =20 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, DisplayOpti= ons *opts) dpys[opts->type]->init(ds, opts); } =20 +const char *qemu_display_get_vc(DisplayOptions *opts) +{ + assert(opts->type < DISPLAY_TYPE__MAX); + if (opts->type =3D=3D DISPLAY_TYPE_NONE) { + return NULL; + } + assert(dpys[opts->type] !=3D NULL); + if (dpys[opts->type]->vc) { + return dpys[opts->type]->vc; + } else { + return "vc:80Cx24C"; + } +} + void qemu_display_help(void) { int idx; --=20 2.41.0