From nobody Tue Feb 10 12:58:46 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1662631067746499.8409360303831; Thu, 8 Sep 2022 02:57:47 -0700 (PDT) Received: from localhost ([::1]:53154 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oWEI6-0004oI-Fo for importer@patchew.org; Thu, 08 Sep 2022 05:57:46 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:58290) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oWE7H-0005EM-JD for qemu-devel@nongnu.org; Thu, 08 Sep 2022 05:46:37 -0400 Received: from mail.loongson.cn ([114.242.206.163]:43698 helo=loongson.cn) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oWE7D-0004yw-JI for qemu-devel@nongnu.org; Thu, 08 Sep 2022 05:46:35 -0400 Received: from localhost.localdomain (unknown [10.2.5.185]) by localhost.localdomain (Coremail) with SMTP id AQAAf8CxYOLwuRljGFYUAA--.17873S7; Thu, 08 Sep 2022 17:46:25 +0800 (CST) From: Xiaojuan Yang To: qemu-devel@nongnu.org Cc: richard.henderson@linaro.org, gaosong@loongson.cn, maobibo@loongson.cn, imammedo@redhat.com Subject: [PATCH v1 5/9] hw/loongarch: Add hotplug handler for machine Date: Thu, 8 Sep 2022 17:46:19 +0800 Message-Id: <20220908094623.73051-6-yangxiaojuan@loongson.cn> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20220908094623.73051-1-yangxiaojuan@loongson.cn> References: <20220908094623.73051-1-yangxiaojuan@loongson.cn> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: AQAAf8CxYOLwuRljGFYUAA--.17873S7 X-Coremail-Antispam: 1UD129KBjvJXoW7AFW3JF13GFW5Cw4kuFyfJFb_yoW8tF47pF y7ZFyFyr48WFs2ga9xA3s8WF15Crs3uay2qFs2yrsaka4DWr98Wry8A34qvay8J3yDJF1F qrn5Jay7Wa15Kw7anT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnUUvcSsGvfC2KfnxnUUI43ZEXa7xR_UUUUUUUUU== X-CM-SenderInfo: p1dqw5xldry3tdq6z05rqj20fqof0/ 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=114.242.206.163; envelope-from=yangxiaojuan@loongson.cn; helo=loongson.cn X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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" X-ZM-MESSAGEID: 1662631069015100001 Content-Type: text/plain; charset="utf-8" Add hotplug handler for LoongArch virt machine and now only support the dynamic sysbus device. Signed-off-by: Xiaojuan Yang --- hw/loongarch/virt.c | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/hw/loongarch/virt.c b/hw/loongarch/virt.c index 3976e8a058..a3dd35d579 100644 --- a/hw/loongarch/virt.c +++ b/hw/loongarch/virt.c @@ -804,9 +804,35 @@ static void loongarch_machine_initfn(Object *obj) lams->oem_table_id =3D g_strndup(ACPI_BUILD_APPNAME8, 8); } =20 +static void loongarch_machine_device_plug_cb(HotplugHandler *hotplug_dev, + DeviceState *dev, Error **errp) +{ + LoongArchMachineState *lams =3D LOONGARCH_MACHINE(hotplug_dev); + MachineClass *mc =3D MACHINE_GET_CLASS(lams); + + if (device_is_dynamic_sysbus(mc, dev)) { + if (lams->platform_bus_dev) { + platform_bus_link_device(PLATFORM_BUS_DEVICE(lams->platform_bu= s_dev), + SYS_BUS_DEVICE(dev)); + } + } +} + +static HotplugHandler *virt_machine_get_hotplug_handler(MachineState *mach= ine, + DeviceState *dev) +{ + MachineClass *mc =3D MACHINE_GET_CLASS(machine); + + if (device_is_dynamic_sysbus(mc, dev)) { + return HOTPLUG_HANDLER(machine); + } + return NULL; +} + static void loongarch_class_init(ObjectClass *oc, void *data) { MachineClass *mc =3D MACHINE_CLASS(oc); + HotplugHandlerClass *hc =3D HOTPLUG_HANDLER_CLASS(oc); =20 mc->desc =3D "Loongson-3A5000 LS7A1000 machine"; mc->init =3D loongarch_init; @@ -819,6 +845,8 @@ static void loongarch_class_init(ObjectClass *oc, void = *data) mc->block_default_type =3D IF_VIRTIO; mc->default_boot_order =3D "c"; mc->no_cdrom =3D 1; + mc->get_hotplug_handler =3D virt_machine_get_hotplug_handler; + hc->plug =3D loongarch_machine_device_plug_cb; =20 object_class_property_add(oc, "acpi", "OnOffAuto", loongarch_get_acpi, loongarch_set_acpi, @@ -834,6 +862,10 @@ static const TypeInfo loongarch_machine_types[] =3D { .instance_size =3D sizeof(LoongArchMachineState), .class_init =3D loongarch_class_init, .instance_init =3D loongarch_machine_initfn, + .interfaces =3D (InterfaceInfo[]) { + { TYPE_HOTPLUG_HANDLER }, + { } + }, } }; =20 --=20 2.31.1