From patchwork Thu Nov 30 14:41:24 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhao Liu X-Patchwork-Id: 13474471 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="YCXZA8HU" Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.43]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DE582196 for ; Thu, 30 Nov 2023 06:30:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1701354652; x=1732890652; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=LfXluGcV2XSbwSzs1A7j8csA0H78Hr7rImWxVfjhw/E=; b=YCXZA8HUOdl/5boDClJiuxF40EHwM7iRKoqbk0nnPW0zd/C6QYAiBqQu ohA/YjcB0NQz0umrYAan+miTB19WI0zmvafFOBeSHduYkj4J3KhNwP6hS AZkaaw/jOOnU5wbtH9m1wlC6yjjjvAqO1Y0hIR4vxaBaR8a1CH5PXBzWe R+ipN5Ms4JxIGAeQC/zLb6Hw56QE4FBPwB+9qf9nw9gIHAzfQIUzr/pTX BZ7nFUwVxWA0t14uHhZwQS5PduxFeF302AbdCpt7S69rjW6SYdzSbwhEH desGN9j3fvDTOla9mEH4SRHTCF+AyMiw9Af8xk//AHF6A3Q1gpyQ16rNL g==; X-IronPort-AV: E=McAfee;i="6600,9927,10910"; a="479530885" X-IronPort-AV: E=Sophos;i="6.04,239,1695711600"; d="scan'208";a="479530885" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Nov 2023 06:30:52 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10910"; a="942729606" X-IronPort-AV: E=Sophos;i="6.04,239,1695711600"; d="scan'208";a="942729606" Received: from liuzhao-optiplex-7080.sh.intel.com ([10.239.160.36]) by orsmga005.jf.intel.com with ESMTP; 30 Nov 2023 06:30:42 -0800 From: Zhao Liu To: Paolo Bonzini , =?utf-8?q?Alex_Benn=C3=A9e?= , =?utf-8?q?Philippe_M?= =?utf-8?q?athieu-Daud=C3=A9?= , Eduardo Habkost , Marcel Apfelbaum , Yanan Wang , Richard Henderson , "Michael S . Tsirkin" , Jason Wang , Nicholas Piggin , Daniel Henrique Barboza , Igor Mammedov , =?utf-8?q?C=C3=A9dric_Le_Goater?= , =?utf-8?b?RnLDqWTDqXJp?= =?utf-8?b?YyBCYXJyYXQ=?= , David Gibson , Harsh Prateek Bora , Stefano Stabellini , Anthony Perard , Paul Durrant , Gerd Hoffmann , Peter Maydell , Alistair Francis , "Edgar E . Iglesias" , =?utf-8?q?Daniel_P_=2E_Ber?= =?utf-8?q?rang=C3=A9?= , Bin Meng , Palmer Dabbelt , Weiwei Li , Liu Zhiwei , qemu-devel@nongnu.org, kvm@vger.kernel.org, qemu-ppc@nongnu.org, xen-devel@lists.xenproject.org, qemu-arm@nongnu.org, qemu-riscv@nongnu.org, qemu-s390x@nongnu.org Cc: Nina Schoetterl-Glausch , Thomas Huth , Zhiyuan Lv , Zhenyu Wang , Yongwei Ma , Zhao Liu Subject: [RFC 02/41] qdev: Allow qdev_device_add() to add specific category device Date: Thu, 30 Nov 2023 22:41:24 +0800 Message-Id: <20231130144203.2307629-3-zhao1.liu@linux.intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231130144203.2307629-1-zhao1.liu@linux.intel.com> References: <20231130144203.2307629-1-zhao1.liu@linux.intel.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Zhao Liu 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 80c56f0cfcf1..fc225049ee30 100644 --- a/hw/net/virtio-net.c +++ b/hw/net/virtio-net.c @@ -965,7 +965,7 @@ 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 09ec326aeae5..bc00d47ff021 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 0f163b2d0310..7ee33a50142a 100644 --- a/system/qdev-monitor.c +++ b/system/qdev-monitor.c @@ -617,7 +617,7 @@ 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(); @@ -639,6 +639,10 @@ 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) { @@ -731,12 +735,12 @@ 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); } @@ -858,7 +862,7 @@ 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); /* * Drain all pending RCU callbacks. This is done because diff --git a/system/vl.c b/system/vl.c index 2bcd9efb9a64..0be155b530b4 100644 --- a/system/vl.c +++ b/system/vl.c @@ -1198,7 +1198,7 @@ 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; @@ -2646,7 +2646,7 @@ 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); }