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[185.47.220.165]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-654535c49f4sm9012128a12.31.2026.01.18.19.28.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 18 Jan 2026 19:28:37 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1768793318; x=1769398118; darn=nongnu.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=7jK7GUviNL7O7EDOH4E6VZGB3H+hETZcKAa/uy/WwGY=; b=aQbDY5Jow32rbqA/FDmBPY7b7siFV/qBhPu1Rbhq45U/00SxPHKF1JEbYnLHpLye0n EtVJiekgC6af/gGqrIcofYk2GWXdsC3gcojp9JOmbdqHEptDGk+bFR/wDaZOWL/Pcgbq jT17o3BXHgG18ohsYbAcdHB9Vo5KcWATUaWf51yVZBui+nF0Ygkq70HkzDpb52LNEVZ9 OMhKMTkQnDgtF1MasDDSEuD3iLHPqTTd8TQitXZt1aMB/Si/CIWXOiu1h+NVFQC3asST T+hMIBeAKOj3tuT7f85kZ9OXgFXJJXqI1hMZczLiuq58XBkqKDGaCUuJeUKdwVY9ktnZ I2fQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1768793318; x=1769398118; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-gg:x-gm-message-state:from:to :cc:subject:date:message-id:reply-to; bh=7jK7GUviNL7O7EDOH4E6VZGB3H+hETZcKAa/uy/WwGY=; b=ObVvbnFPq84AeNMUDxaSGJezjhsnQAVmioSMapS/dj5ckdzizztEAv1KKpOw0P9kXS 1VTApW8DFuAgGYtt/gZQlMpJqZ4g1h9DxSFcKVB8ilZWfypG4rxeZ8YztCt/fX+K7vYI ot1iQjBur4AEvKp4gS47WmofjAB/fw1UMPXnSuDHipLptXxInHevUaRBG/wXl85X7p2f XYMPtAk5dcxL1z39AI4nr794ZR3FmipRUrpdj/owKoZeYmbtvL6CzKN3f9BP8CFnFGuy QmYZbPzTGtKDDpx+HZHTT7v1ctTVhdQfSpNwiPP2PJgY0OuQNutx+9E11yEQFBT3JkqC JA0A== X-Gm-Message-State: AOJu0YyWX/5fBUNFls8glHdNbAiBFanUTLsZIigzTmC9jBpxxl2sAGaS D9zwzKiaANsMlg40Hw5cf1fuIwVjN12KO3fxzlt2h8XhXJAp33qSXOAf X-Gm-Gg: AY/fxX76K9rqMrj8djaMcdreMnmNSLpiOlGrIyce31wVaSiyPGpfgVIJRPMQ7YgsQGr 64Y2l0hQOPYqMjUBFMrkZv+qciNO/0NuyrHu+kvCkNfHSmwn5LhcVjzJNMeYrzo/b2g/Fu5q+NY dY8BzrMyxvEiVhXFwbXi9iCu0ZP61u8DNTjxMaBKA3oa7JkXQ3ZO6hqueAX6nc0u1ANYGuqoWNf /4EXgn7dbFpie/JnXXPHjAx8VpQMO/p1xNaGThYvkR+NNerQ5ObtEo5t06/9XIWx7QLTILoxze/ nDatPZ4X9BWHtHbqFqlNrFODtCvB681fE3SQkz2zjNF8jAsygsYefA/eVJAMGb4+zsC+6lJYtfK Yo6O8NyDkrX59l2Qhe4IIHJUGk+EPo8KRvFhqT85yoMF4gtrCDKpPwhQdrdsErwB3HL3RMI+zWz leVnDIxgU4ljRHABx+SNLt/Ve0B8KgNgKSIJx2y1Jk X-Received: by 2002:a05:6402:210e:b0:64d:65d:2314 with SMTP id 4fb4d7f45d1cf-65452ad66a6mr7293631a12.23.1768793318206; Sun, 18 Jan 2026 19:28:38 -0800 (PST) From: Filip Hejsek Date: Mon, 19 Jan 2026 04:27:44 +0100 Subject: [PATCH v6 01/12] chardev: add cols, rows fields MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260119-console-resize-v6-1-33a7b0330a7a@gmail.com> References: <20260119-console-resize-v6-0-33a7b0330a7a@gmail.com> In-Reply-To: <20260119-console-resize-v6-0-33a7b0330a7a@gmail.com> To: qemu-devel@nongnu.org Cc: =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , Paolo Bonzini , "Michael S. Tsirkin" , Laurent Vivier , Amit Shah , Markus Armbruster , Eric Blake , Eduardo Habkost , Marcel Apfelbaum , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Yanan Wang , Zhao Liu , =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= , Maximilian Immanuel Brandtner , Szymon Lukasz X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1768793314; l=2188; i=filip.hejsek@gmail.com; s=20250912; h=from:subject:message-id; bh=cs3jOpOKQqE9iM7bir6dwnRwj4x9AXZwFsh1SGhw+CI=; b=NEAZAACh9GsUurU1ZevHGmdMyGmWI6xSXiCigOVWTHMPtBha7JyMgZJxI45k7kww3Q0+23DNS TwxSSf7YOOTD1oKo41FKpp15AfRKYRbTB+LDeOtBqD+TodJSs4rxK0l X-Developer-Key: i=filip.hejsek@gmail.com; a=ed25519; pk=nakB8gEK3oi+Q/5dBTMCy/LgZL47NP60z1jeDR6O/WU= 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 (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=2a00:1450:4864:20::52b; envelope-from=filip.hejsek@gmail.com; helo=mail-ed1-x52b.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, 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: 2.1.29 Precedence: list List-Id: qemu development 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 @gmail.com) X-ZM-MESSAGEID: 1768794052012158500 From: Szymon Lukasz These fields should be interpreted as the size of the terminal connected to a given chardev. Signed-off-by: Szymon Lukasz Reviewed-by: Daniel P. Berrang=C3=A9 [Filip: CharBackend -> CharFrontend] Signed-off-by: Filip Hejsek --- chardev/char-fe.c | 13 +++++++++++++ include/chardev/char-fe.h | 10 ++++++++++ include/chardev/char.h | 1 + 3 files changed, 24 insertions(+) diff --git a/chardev/char-fe.c b/chardev/char-fe.c index 34b83fc1c4..a3bb1071b3 100644 --- a/chardev/char-fe.c +++ b/chardev/char-fe.c @@ -329,6 +329,19 @@ void qemu_chr_fe_set_echo(CharFrontend *c, bool echo) } } =20 +void qemu_chr_fe_get_winsize(CharFrontend *c, uint16_t *cols, uint16_t *ro= ws) +{ + Chardev *chr =3D c->chr; + + if (chr) { + *cols =3D chr->cols; + *rows =3D chr->rows; + } else { + *cols =3D 0; + *rows =3D 0; + } +} + void qemu_chr_fe_set_open(CharFrontend *c, bool is_open) { Chardev *chr =3D c->chr; diff --git a/include/chardev/char-fe.h b/include/chardev/char-fe.h index 5f8a6df17d..53b8d2a1dc 100644 --- a/include/chardev/char-fe.h +++ b/include/chardev/char-fe.h @@ -157,6 +157,16 @@ int qemu_chr_fe_wait_connected(CharFrontend *c, Error = **errp); */ void qemu_chr_fe_set_echo(CharFrontend *c, bool echo); =20 +/** + * qemu_chr_fe_get_winsize: + * @cols: the address for storing columns + * @rows: the address for storing rows + * + * Get the size of the terminal connected to the chardev backend. + * Returns *cols =3D *rows =3D 0, if no associated Chardev. + */ +void qemu_chr_fe_get_winsize(CharFrontend *c, uint16_t *cols, uint16_t *ro= ws); + /** * qemu_chr_fe_set_open: * @c: a CharFrontend diff --git a/include/chardev/char.h b/include/chardev/char.h index 192cad67d4..237238e5a0 100644 --- a/include/chardev/char.h +++ b/include/chardev/char.h @@ -65,6 +65,7 @@ struct Chardev { char *filename; int logfd; int be_open; + uint16_t cols, rows; /* used to coordinate the chardev-change special-case: */ bool handover_yank_instance; GSource *gsource; --=20 2.52.0