From nobody Tue Feb 10 12:58:45 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.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; Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1571862290; cv=none; d=zoho.com; s=zohoarc; b=Lq7PFzTuIBFB/1x586VF1nJNiCCWp1WEX5Tc++GhI9oDZJ6m4LQ7lW2hCzTECvb65hIjg2bu4dgFNMtbh8JQmoHZ4trU8o8H0KAD2VtMt7unh08vOqPQRklF3GvfN2HrK352OB3+CAwQVHtLdpE3JoYnwrrH9GDaw3BlkjlyLAg= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1571862290; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=/qSKp+Dha50wwfkLLlipKox8Za+pAS4L71giPOhThTA=; b=czHzX6eST+62P5Jo6Orv05eSjk9egiMhtmdVtC85KcYqGULbylV5T9Zd1JQecwST+/tEeXJ7N1Z+6oZkU1ZULg8TOmfUNGaUwbC74yBsbRXG3+kQNSmplleFPgbBxU9Nhj6IRcHc0MBw4JQakhk3uGbNXg4rGGetztKszh8rQCI= ARC-Authentication-Results: i=1; mx.zoho.com; dkim=fail; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 157186229051372.18574261544882; Wed, 23 Oct 2019 13:24:50 -0700 (PDT) Received: from localhost ([::1]:47032 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iNNBZ-0000Ck-21 for importer@patchew.org; Wed, 23 Oct 2019 16:24:49 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:58921) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iNKVT-0003kB-8x for qemu-devel@nongnu.org; Wed, 23 Oct 2019 13:33:13 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iNKVQ-0001gW-Oo for qemu-devel@nongnu.org; Wed, 23 Oct 2019 13:33:11 -0400 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:37042 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iNKVQ-0001gA-K5 for qemu-devel@nongnu.org; Wed, 23 Oct 2019 13:33:08 -0400 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-262-mZ58rmSeMD2w1fKqUt37PA-1; Wed, 23 Oct 2019 13:33:02 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 44222107AD34; Wed, 23 Oct 2019 17:33:00 +0000 (UTC) Received: from localhost (ovpn-112-21.ams2.redhat.com [10.36.112.21]) by smtp.corp.redhat.com (Postfix) with ESMTP id 93D685D6D0; Wed, 23 Oct 2019 17:32:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1571851988; 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=/qSKp+Dha50wwfkLLlipKox8Za+pAS4L71giPOhThTA=; b=dzClbIRAcxNk0l8KxoQfTCE+i2fEOU9/Ib6y1N7fjRmTRzmLx0XrcwVTsfENe6iQX6ZpOo G7/hQ/U9RDZU2v4rW6RLbjPtylOGT4M9dDJ/erzB53RCuuRF9jYEwMo1UJZI/PBiBh4hvL WQZ8V4+7XzFJtPom6VmYx1EF26hKe24= From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= To: qemu-devel@nongnu.org Subject: [PATCH v3 04/33] chardev: generate an internal id when none given Date: Wed, 23 Oct 2019 19:31:25 +0200 Message-Id: <20191023173154.30051-5-marcandre.lureau@redhat.com> In-Reply-To: <20191023173154.30051-1-marcandre.lureau@redhat.com> References: <20191023173154.30051-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-MC-Unique: mZ58rmSeMD2w1fKqUt37PA-1 X-Mimecast-Spam-Score: 0 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 205.139.110.120 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: Corey Minyard , Peter Maydell , "Michael S. Tsirkin" , Jason Wang , Mark Cave-Ayland , KONRAD Frederic , "Edgar E. Iglesias" , Paul Burton , Aleksandar Rikalo , Magnus Damm , =?UTF-8?q?Herv=C3=A9=20Poussineau?= , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Artyom Tarasenko , Eduardo Habkost , Fabien Chouteau , qemu-arm@nongnu.org, Richard Henderson , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , qemu-ppc@nongnu.org, Aleksandar Markovic , Paolo Bonzini , Aurelien Jarno Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Internally, qemu may create chardev without ID. Those will not be looked up with qemu_chr_find(), which prevents using qdev_prop_set_chr(). Use id_generate(), to generate an internal name (prefixed with #), so no conflict exist with user-named chardev. Signed-off-by: Marc-Andr=C3=A9 Lureau --- chardev/char.c | 32 ++++++++++++++++++++++++-------- include/qemu/id.h | 1 + util/id.c | 1 + 3 files changed, 26 insertions(+), 8 deletions(-) diff --git a/chardev/char.c b/chardev/char.c index 7b6b2cb123..e7e7492b0e 100644 --- a/chardev/char.c +++ b/chardev/char.c @@ -37,6 +37,7 @@ #include "qemu/help_option.h" #include "qemu/module.h" #include "qemu/option.h" +#include "qemu/id.h" =20 #include "chardev/char-mux.h" =20 @@ -944,10 +945,10 @@ void qemu_chr_set_feature(Chardev *chr, return set_bit(feature, chr->features); } =20 -Chardev *qemu_chardev_new(const char *id, const char *typename, - ChardevBackend *backend, - GMainContext *gcontext, - Error **errp) +static Chardev *chardev_new(const char *id, const char *typename, + ChardevBackend *backend, + GMainContext *gcontext, + Error **errp) { Object *obj; Chardev *chr =3D NULL; @@ -991,6 +992,21 @@ end: return chr; } =20 +Chardev *qemu_chardev_new(const char *id, const char *typename, + ChardevBackend *backend, + GMainContext *gcontext, + Error **errp) +{ + g_autofree char *genid =3D NULL; + + if (!id) { + genid =3D id_generate(ID_CHR); + id =3D genid; + } + + return chardev_new(id, typename, backend, gcontext, errp); +} + ChardevReturn *qmp_chardev_add(const char *id, ChardevBackend *backend, Error **errp) { @@ -1003,8 +1019,8 @@ ChardevReturn *qmp_chardev_add(const char *id, Charde= vBackend *backend, return NULL; } =20 - chr =3D qemu_chardev_new(id, object_class_get_name(OBJECT_CLASS(cc)), - backend, NULL, errp); + chr =3D chardev_new(id, object_class_get_name(OBJECT_CLASS(cc)), + backend, NULL, errp); if (!chr) { return NULL; } @@ -1061,8 +1077,8 @@ ChardevReturn *qmp_chardev_change(const char *id, Cha= rdevBackend *backend, return NULL; } =20 - chr_new =3D qemu_chardev_new(NULL, object_class_get_name(OBJECT_CLASS(= cc)), - backend, chr->gcontext, errp); + chr_new =3D chardev_new(NULL, object_class_get_name(OBJECT_CLASS(cc)), + backend, chr->gcontext, errp); if (!chr_new) { return NULL; } diff --git a/include/qemu/id.h b/include/qemu/id.h index 40c70103e4..b55c406e69 100644 --- a/include/qemu/id.h +++ b/include/qemu/id.h @@ -4,6 +4,7 @@ typedef enum IdSubSystems { ID_QDEV, ID_BLOCK, + ID_CHR, ID_MAX /* last element, used as array size */ } IdSubSystems; =20 diff --git a/util/id.c b/util/id.c index af1c5f1b81..5addb4460e 100644 --- a/util/id.c +++ b/util/id.c @@ -34,6 +34,7 @@ bool id_wellformed(const char *id) static const char *const id_subsys_str[ID_MAX] =3D { [ID_QDEV] =3D "qdev", [ID_BLOCK] =3D "block", + [ID_CHR] =3D "chr", }; =20 /* --=20 2.23.0.606.g08da6496b6