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c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1761037453; 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=2KZIoozjfu2C+xVlZ+aEGmbOyE0e3/BqkuwJq/qKsDc=; b=XBUelE1Z+2ETIt7WfDBVyiuh50V8NsNY9Ls22qog7LPskqgU7Bdnw/7NGBn7PIKFVSDB+L NvXXx7Mn4ohNaGR0Hf69N7tU0KdcQ4zPKN8cTbVcwe24OXAZoFowPi4cBz5qatmpg8zZ/4 i/GzgLnuKZbae97HOHFfCu79rlCdpnI= X-MC-Unique: 9RF8dQpmMCyr6AMNtNhr3w-1 X-Mimecast-MFC-AGG-ID: 9RF8dQpmMCyr6AMNtNhr3w_1761037448 From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Cc: BALATON Zoltan , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Paolo Bonzini , =?UTF-8?q?Volker=20R=C3=BCmelin?= , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Eduardo Habkost Subject: [PATCH 08/43] qdev: add qdev_find_default_bus() Date: Tue, 21 Oct 2025 13:02:39 +0400 Message-ID: <20251021090317.425409-9-marcandre.lureau@redhat.com> In-Reply-To: <20251021090317.425409-1-marcandre.lureau@redhat.com> References: <20251021090317.425409-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 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: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, 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_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_PASS=-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: 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: 1761037706709158500 From: Marc-Andr=C3=A9 Lureau This helper is used next by -audio code. Signed-off-by: Marc-Andr=C3=A9 Lureau --- include/monitor/qdev.h | 3 +++ system/qdev-monitor.c | 21 +++++++++++++++++---- 2 files changed, 20 insertions(+), 4 deletions(-) diff --git a/include/monitor/qdev.h b/include/monitor/qdev.h index 1d57bf6577..de33637869 100644 --- a/include/monitor/qdev.h +++ b/include/monitor/qdev.h @@ -1,6 +1,8 @@ #ifndef MONITOR_QDEV_H #define MONITOR_QDEV_H =20 +#include "hw/qdev-core.h" + /*** monitor commands ***/ =20 void hmp_info_qtree(Monitor *mon, const QDict *qdict); @@ -11,6 +13,7 @@ int qdev_device_help(QemuOpts *opts); DeviceState *qdev_device_add(QemuOpts *opts, Error **errp); DeviceState *qdev_device_add_from_qdict(const QDict *opts, bool from_json, Error **errp); +BusState *qdev_find_default_bus(DeviceClass *dc, Error **errp); =20 /** * qdev_set_id: parent the device and set its id if provided. diff --git a/system/qdev-monitor.c b/system/qdev-monitor.c index 2ac92d0a07..4b732f579a 100644 --- a/system/qdev-monitor.c +++ b/system/qdev-monitor.c @@ -621,6 +621,21 @@ const char *qdev_set_id(DeviceState *dev, char *id, Er= ror **errp) return prop->name; } =20 +BusState *qdev_find_default_bus(DeviceClass *dc, Error **errp) +{ + BusState *bus =3D NULL; + + assert(dc->bus_type !=3D NULL); + bus =3D qbus_find_recursive(sysbus_get_default(), NULL, dc->bus_type); + if (!bus || qbus_is_full(bus)) { + error_setg(errp, "No '%s' bus found for device '%s'", + dc->bus_type, object_class_get_name(OBJECT_CLASS(dc))); + return NULL; + } + + return bus; +} + DeviceState *qdev_device_add_from_qdict(const QDict *opts, bool from_json, Error **errp) { @@ -657,10 +672,8 @@ DeviceState *qdev_device_add_from_qdict(const QDict *o= pts, return NULL; } } else if (dc->bus_type !=3D NULL) { - bus =3D qbus_find_recursive(sysbus_get_default(), NULL, dc->bus_ty= pe); - if (!bus || qbus_is_full(bus)) { - error_setg(errp, "No '%s' bus found for device '%s'", - dc->bus_type, driver); + bus =3D qdev_find_default_bus(dc, errp); + if (!bus) { return NULL; } } --=20 2.51.0