From patchwork Thu Sep 19 06:11:17 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhao Liu X-Patchwork-Id: 13807413 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.15]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3A55C17BAF for ; Thu, 19 Sep 2024 05:55:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.15 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726725339; cv=none; b=kO3SqHBoCWaK1tjalJGgIwuzfbba1+s389wy0/l9ctt0ETbR0S18X66CBoveAL0/6abXYLZyGfiWuiTtqfaIM2uBXBKIUenCJrN7c7tKAuVhIe6vMFKukPOeX3hMXQthfFZ01fGAhnNNRn3DidUql3uWxf+cDVlxGlkehFXXDW0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726725339; c=relaxed/simple; bh=8vg6cBFZQesBlTuKocwFM3B2ozeoI/WHoRcB8vhHX3k=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=mCMnvWOmI4SCsSm881a6gQBLifbz1iuEs/B0usef8v2nYU6iatPYKLS3STZweIPxh8MsrLNCHU8/ijHY78HH44oLtsfvsg9WPUZK5BrIQpg6OubPqXnYx8NlI6/SgeAIq8IWI3f7XCzoJWyWJrpRnMQAe3OECKwbh4HHu1ab+XM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=iY8yUBdV; arc=none smtp.client-ip=192.198.163.15 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="iY8yUBdV" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1726725337; x=1758261337; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=8vg6cBFZQesBlTuKocwFM3B2ozeoI/WHoRcB8vhHX3k=; b=iY8yUBdVVtcOQCAy/0a3LGJ9a4c0/UVh0O9EIRcNqElWlBMGshD+oONg XtxJbdNSivGQMp9q3V4pDu5wm8+BNHLeUpnL2Czfx1Gu+Mstunmc6v8Ic mEaKXo0RbXtvNOXxskG4h/sjDlS1BiL4/cyNZTtX7glyX3rvfXzkJ9rdQ +/sRpOWIGncNjDpATrpFw/igKJyp8B+NyUBAu6wCCKPCSww8bHEOQ6GRJ GEN8YpcH6R97KHj7YIYORhleG4cgx8k2JfUz3eLW8eR/CUzz//ug1OQfD s/y6totc171NasUE42ORTIPsdwvyO40auoNWnXGhVWKe8LOWghUh54qUA Q==; X-CSE-ConnectionGUID: rFiUZqlIQg+yjs8Pc06wSA== X-CSE-MsgGUID: GXsJNhQzSRiEJ6DcXsz8SQ== X-IronPort-AV: E=McAfee;i="6700,10204,11199"; a="25813445" X-IronPort-AV: E=Sophos;i="6.10,240,1719903600"; d="scan'208";a="25813445" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by fmvoesa109.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Sep 2024 22:55:37 -0700 X-CSE-ConnectionGUID: bQQEQDoBRhGmcoS6NdtmMA== X-CSE-MsgGUID: oV7dFcGcTuSTNDb8wim0HA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.10,240,1719903600"; d="scan'208";a="69418610" Received: from liuzhao-optiplex-7080.sh.intel.com ([10.239.160.36]) by fmviesa006.fm.intel.com with ESMTP; 18 Sep 2024 22:55:31 -0700 From: Zhao Liu To: =?utf-8?q?Daniel_P_=2E_Berrang=C3=A9?= , Igor Mammedov , Eduardo Habkost , Marcel Apfelbaum , =?utf-8?q?Philippe_Mathieu-D?= =?utf-8?q?aud=C3=A9?= , Yanan Wang , "Michael S . Tsirkin" , Paolo Bonzini , Richard Henderson , Sergio Lopez , Jason Wang , Stefano Stabellini , Anthony PERARD , Paul Durrant , "Edgar E . Iglesias" , Eric Blake , Markus Armbruster , =?utf-8?q?Alex_Benn=C3=A9e?= , Peter Maydell Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org, qemu-arm@nongnu.org, Zhenyu Wang , Dapeng Mi , Yongwei Ma , Zhao Liu Subject: [RFC v2 01/12] qdev: Allow qdev_device_add() to add specific category device Date: Thu, 19 Sep 2024 14:11:17 +0800 Message-Id: <20240919061128.769139-2-zhao1.liu@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240919061128.769139-1-zhao1.liu@intel.com> References: <20240919061128.769139-1-zhao1.liu@intel.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Topology devices need to be created and realized before board initialization. Allow qdev_device_add() to specify category to help create topology devices early. Signed-off-by: Zhao Liu --- hw/net/virtio-net.c | 2 +- hw/usb/xen-usb.c | 3 ++- include/monitor/qdev.h | 4 ++-- system/qdev-monitor.c | 12 ++++++++---- system/vl.c | 4 ++-- 5 files changed, 15 insertions(+), 10 deletions(-) diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c index fb84d142ee29..0d92e09e9076 100644 --- a/hw/net/virtio-net.c +++ b/hw/net/virtio-net.c @@ -935,7 +935,7 @@ static void failover_add_primary(VirtIONet *n, Error **errp) return; } - dev = qdev_device_add_from_qdict(n->primary_opts, + dev = qdev_device_add_from_qdict(n->primary_opts, NULL, n->primary_opts_from_json, &err); if (err) { diff --git a/hw/usb/xen-usb.c b/hw/usb/xen-usb.c index 13901625c0c8..e4168b1fec7e 100644 --- a/hw/usb/xen-usb.c +++ b/hw/usb/xen-usb.c @@ -766,7 +766,8 @@ static void usbback_portid_add(struct usbback_info *usbif, unsigned port, qdict_put_str(qdict, "hostport", portname); opts = qemu_opts_from_qdict(qemu_find_opts("device"), qdict, &error_abort); - usbif->ports[port - 1].dev = USB_DEVICE(qdev_device_add(opts, &local_err)); + usbif->ports[port - 1].dev = USB_DEVICE( + qdev_device_add(opts, NULL, &local_err)); if (!usbif->ports[port - 1].dev) { qobject_unref(qdict); xen_pv_printf(&usbif->xendev, 0, diff --git a/include/monitor/qdev.h b/include/monitor/qdev.h index 1d57bf657794..f5fd6e6c1ffc 100644 --- a/include/monitor/qdev.h +++ b/include/monitor/qdev.h @@ -8,8 +8,8 @@ void hmp_info_qdm(Monitor *mon, const QDict *qdict); void qmp_device_add(QDict *qdict, QObject **ret_data, Error **errp); int qdev_device_help(QemuOpts *opts); -DeviceState *qdev_device_add(QemuOpts *opts, Error **errp); -DeviceState *qdev_device_add_from_qdict(const QDict *opts, +DeviceState *qdev_device_add(QemuOpts *opts, long *category, Error **errp); +DeviceState *qdev_device_add_from_qdict(const QDict *opts, long *category, bool from_json, Error **errp); /** diff --git a/system/qdev-monitor.c b/system/qdev-monitor.c index 457dfd05115e..fe120353fedc 100644 --- a/system/qdev-monitor.c +++ b/system/qdev-monitor.c @@ -632,7 +632,7 @@ const char *qdev_set_id(DeviceState *dev, char *id, Error **errp) return prop->name; } -DeviceState *qdev_device_add_from_qdict(const QDict *opts, +DeviceState *qdev_device_add_from_qdict(const QDict *opts, long *category, bool from_json, Error **errp) { ERRP_GUARD(); @@ -655,6 +655,10 @@ DeviceState *qdev_device_add_from_qdict(const QDict *opts, return NULL; } + if (category && !test_bit(*category, dc->categories)) { + return NULL; + } + /* find bus */ path = qdict_get_try_str(opts, "bus"); if (path != NULL) { @@ -767,12 +771,12 @@ err_del_dev: } /* Takes ownership of @opts on success */ -DeviceState *qdev_device_add(QemuOpts *opts, Error **errp) +DeviceState *qdev_device_add(QemuOpts *opts, long *category, Error **errp) { QDict *qdict = qemu_opts_to_qdict(opts, NULL); DeviceState *ret; - ret = qdev_device_add_from_qdict(qdict, false, errp); + ret = qdev_device_add_from_qdict(qdict, category, false, errp); if (ret) { qemu_opts_del(opts); } @@ -897,7 +901,7 @@ void qmp_device_add(QDict *qdict, QObject **ret_data, Error **errp) qemu_opts_del(opts); return; } - dev = qdev_device_add(opts, errp); + dev = qdev_device_add(opts, NULL, errp); if (!dev) { /* * Drain all pending RCU callbacks. This is done because diff --git a/system/vl.c b/system/vl.c index 193e7049ccbe..c40364e2f091 100644 --- a/system/vl.c +++ b/system/vl.c @@ -1212,7 +1212,7 @@ static int device_init_func(void *opaque, QemuOpts *opts, Error **errp) { DeviceState *dev; - dev = qdev_device_add(opts, errp); + dev = qdev_device_add(opts, NULL, errp); if (!dev && *errp) { error_report_err(*errp); return -1; @@ -2665,7 +2665,7 @@ static void qemu_create_cli_devices(void) * from the start, so call qdev_device_add_from_qdict() directly for * now. */ - dev = qdev_device_add_from_qdict(opt->opts, true, &error_fatal); + dev = qdev_device_add_from_qdict(opt->opts, NULL, true, &error_fatal); object_unref(OBJECT(dev)); loc_pop(&opt->loc); }