From nobody Thu Apr 3 11:40:42 2025 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 174115525425639.0270548426447; Tue, 4 Mar 2025 22:14:14 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tpi09-0000o6-Pp; Wed, 05 Mar 2025 01:13:05 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tpi06-0000mv-VZ for qemu-devel@nongnu.org; Wed, 05 Mar 2025 01:13:02 -0500 Received: from mail.loongson.cn ([114.242.206.163]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tpi02-0004Fq-A2 for qemu-devel@nongnu.org; Wed, 05 Mar 2025 01:13:02 -0500 Received: from loongson.cn (unknown [10.2.5.213]) by gateway (Coremail) with SMTP id _____8CxeXFm68dnwd+KAA--.40774S3; Wed, 05 Mar 2025 14:12:54 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.213]) by front1 (Coremail) with SMTP id qMiowMBx3MRi68dnfRQ3AA--.5679S7; Wed, 05 Mar 2025 14:12:53 +0800 (CST) From: Bibo Mao To: Stefan Hajnoczi Cc: qemu-devel@nongnu.org, Song Gao Subject: [PULL 05/15] hw/intc/loongarch_extioi: Add basic hotplug framework Date: Wed, 5 Mar 2025 14:12:40 +0800 Message-Id: <20250305061250.1908444-6-maobibo@loongson.cn> X-Mailer: git-send-email 2.39.3 In-Reply-To: <20250305061250.1908444-1-maobibo@loongson.cn> References: <20250305061250.1908444-1-maobibo@loongson.cn> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: qMiowMBx3MRi68dnfRQ3AA--.5679S7 X-CM-SenderInfo: xpdruxter6z05rqj20fqof0/ X-Coremail-Antispam: 1Uk129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7KY7 ZEXasCq-sGcSsGvfJ3UbIjqfuFe4nvWSU5nxnvy29KBjDU0xBIdaVrnUUvcSsGvfC2Kfnx nUUI43ZEXa7xR_UUUUUUUUU== 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=maobibo@loongson.cn; helo=mail.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, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=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-ZM-MESSAGEID: 1741155255902019000 Content-Type: text/plain; charset="utf-8" LoongArch extioi interrupt controller routes peripheral interrupt to multiple CPUs, physical cpu id is used in interrupt routing table. Here hotplug interface is added for extioi object, so that parent irq line can be connected, and routing table can be added for new created cpu. Here only basic hotplug framework is added, it is stub function. Signed-off-by: Bibo Mao --- hw/intc/loongarch_extioi_common.c | 33 +++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/hw/intc/loongarch_extioi_common.c b/hw/intc/loongarch_extioi_c= ommon.c index e3a38b318a..19e19a9f73 100644 --- a/hw/intc/loongarch_extioi_common.c +++ b/hw/intc/loongarch_extioi_common.c @@ -4,11 +4,37 @@ * Copyright (C) 2024 Loongson Technology Corporation Limited */ #include "qemu/osdep.h" +#include "qemu/error-report.h" #include "qemu/module.h" #include "qapi/error.h" #include "hw/qdev-properties.h" #include "hw/intc/loongarch_extioi_common.h" #include "migration/vmstate.h" +#include "target/loongarch/cpu.h" + +static void loongarch_extioi_cpu_plug(HotplugHandler *hotplug_dev, + DeviceState *dev, Error **errp) +{ + Object *obj =3D OBJECT(dev); + + if (!object_dynamic_cast(obj, TYPE_LOONGARCH_CPU)) { + warn_report("LoongArch extioi: Invalid %s device type", + object_get_typename(obj)); + return; + } +} + +static void loongarch_extioi_cpu_unplug(HotplugHandler *hotplug_dev, + DeviceState *dev, Error **errp) +{ + Object *obj =3D OBJECT(dev); + + if (!object_dynamic_cast(obj, TYPE_LOONGARCH_CPU)) { + warn_report("LoongArch extioi: Invalid %s device type", + object_get_typename(obj)); + return; + } +} =20 static void loongarch_extioi_common_realize(DeviceState *dev, Error **errp) { @@ -107,11 +133,14 @@ static void loongarch_extioi_common_class_init(Object= Class *klass, void *data) { DeviceClass *dc =3D DEVICE_CLASS(klass); LoongArchExtIOICommonClass *lecc =3D LOONGARCH_EXTIOI_COMMON_CLASS(kla= ss); + HotplugHandlerClass *hc =3D HOTPLUG_HANDLER_CLASS(klass); =20 device_class_set_parent_realize(dc, loongarch_extioi_common_realize, &lecc->parent_realize); device_class_set_props(dc, extioi_properties); dc->vmsd =3D &vmstate_loongarch_extioi; + hc->plug =3D loongarch_extioi_cpu_plug; + hc->unplug =3D loongarch_extioi_cpu_unplug; } =20 static const TypeInfo loongarch_extioi_common_types[] =3D { @@ -121,6 +150,10 @@ static const TypeInfo loongarch_extioi_common_types[] = =3D { .instance_size =3D sizeof(LoongArchExtIOICommonState), .class_size =3D sizeof(LoongArchExtIOICommonClass), .class_init =3D loongarch_extioi_common_class_init, + .interfaces =3D (InterfaceInfo[]) { + { TYPE_HOTPLUG_HANDLER }, + { } + }, .abstract =3D true, } }; --=20 2.43.5