From nobody Mon Feb 9 22:20:27 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; dmarc=pass(p=none dis=none) header.from=nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1695991638; cv=none; d=zohomail.com; s=zohoarc; b=inVYRYg0QV0XwTu5z9izjbgmwwbnu/OKMujIcFhhIF7f/jcHGNGOSPkr+gfxs+l6AArFz8UBXbqY0zfCshmxTVvKsAViEJzuLehi+zwJDHxwV0ctYtJVN5ai7Jkwp/W1sC50QzknjrMHPpMbXU2X+19jeyIQTqZUyhvtU616ga4= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1695991638; h=Content-Type:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Reply-To:References:Sender:Subject:To; bh=Fp0BrUhnaDlrOIYvamub8EiFD8b4XnpoYvonauykCnM=; b=KYuiTUVJJbUW5JWZWCDo9w4JhA14aoG1RTQw0B0swvNgpif+AHyqhPqrYWiWFLfx1gTSt3QpEXyZGdbVzRfAHcpvL/mtp0dR/ZjQDfjIAQbTqRptZxNC0gRLV+Lg+jh1+LJHBghCpvdcdmheEJtd7nlV37OBhkdaFMgNmaq+mWA= ARC-Authentication-Results: i=1; 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; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1695991638227592.9700609507637; Fri, 29 Sep 2023 05:47:18 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qmCte-00010p-LD; Fri, 29 Sep 2023 08:47:06 -0400 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 1qmCtR-0000Si-Gr; Fri, 29 Sep 2023 08:46:54 -0400 Received: from frasgout.his.huawei.com ([185.176.79.56]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qmCtN-0007FX-AV; Fri, 29 Sep 2023 08:46:52 -0400 Received: from lhrpeml500001.china.huawei.com (unknown [172.18.147.206]) by frasgout.his.huawei.com (SkyGuard) with ESMTP id 4Rxqq70rlXz67gyM; Fri, 29 Sep 2023 20:46:43 +0800 (CST) Received: from A190218597.china.huawei.com (10.48.156.153) by lhrpeml500001.china.huawei.com (7.191.163.213) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.31; Fri, 29 Sep 2023 13:46:28 +0100 To: , CC: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Subject: [PATCH 7/9] hw/acpi: Update ACPI GED framework to support vCPU Hotplug Date: Fri, 29 Sep 2023 13:43:02 +0100 Message-ID: <20230929124304.13672-8-salil.mehta@huawei.com> X-Mailer: git-send-email 2.8.3 In-Reply-To: <20230929124304.13672-1-salil.mehta@huawei.com> References: <20230929124304.13672-1-salil.mehta@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.48.156.153] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To lhrpeml500001.china.huawei.com (7.191.163.213) X-CFilter-Loop: Reflected 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=185.176.79.56; envelope-from=salil.mehta@huawei.com; helo=frasgout.his.huawei.com X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=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: , Reply-to: Salil Mehta From: Salil Mehta via Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1695991640101100003 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" ACPI GED shall be used to convey to the guest kernel about any CPU hot-(un)= plug events. Therefore, existing ACPI GED framework inside QEMU needs to be enha= nced to support CPU hotplug state and events. Co-developed-by: Keqian Zhu Signed-off-by: Keqian Zhu Signed-off-by: Salil Mehta --- hw/acpi/generic_event_device.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/hw/acpi/generic_event_device.c b/hw/acpi/generic_event_device.c index 62d504d231..0d5f0140e5 100644 --- a/hw/acpi/generic_event_device.c +++ b/hw/acpi/generic_event_device.c @@ -12,6 +12,7 @@ #include "qemu/osdep.h" #include "qapi/error.h" #include "hw/acpi/acpi.h" +#include "hw/acpi/cpu.h" #include "hw/acpi/generic_event_device.h" #include "hw/irq.h" #include "hw/mem/pc-dimm.h" @@ -239,6 +240,8 @@ static void acpi_ged_device_plug_cb(HotplugHandler *hot= plug_dev, } else { acpi_memory_plug_cb(hotplug_dev, &s->memhp_state, dev, errp); } + } else if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { + acpi_cpu_plug_cb(hotplug_dev, &s->cpuhp_state, dev, errp); } else { error_setg(errp, "virt: device plug request for unsupported device" " type: %s", object_get_typename(OBJECT(dev))); @@ -253,6 +256,8 @@ static void acpi_ged_unplug_request_cb(HotplugHandler *= hotplug_dev, if ((object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM) && !(object_dynamic_cast(OBJECT(dev), TYPE_NVDIMM)))) { acpi_memory_unplug_request_cb(hotplug_dev, &s->memhp_state, dev, e= rrp); + } else if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { + acpi_cpu_unplug_request_cb(hotplug_dev, &s->cpuhp_state, dev, errp= ); } else { error_setg(errp, "acpi: device unplug request for unsupported devi= ce" " type: %s", object_get_typename(OBJECT(dev))); @@ -266,6 +271,8 @@ static void acpi_ged_unplug_cb(HotplugHandler *hotplug_= dev, =20 if (object_dynamic_cast(OBJECT(dev), TYPE_PC_DIMM)) { acpi_memory_unplug_cb(&s->memhp_state, dev, errp); + } else if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { + acpi_cpu_unplug_cb(&s->cpuhp_state, dev, errp); } else { error_setg(errp, "acpi: device unplug for unsupported device" " type: %s", object_get_typename(OBJECT(dev))); @@ -277,6 +284,7 @@ static void acpi_ged_ospm_status(AcpiDeviceIf *adev, AC= PIOSTInfoList ***list) AcpiGedState *s =3D ACPI_GED(adev); =20 acpi_memory_ospm_status(&s->memhp_state, list); + acpi_cpu_ospm_status(&s->cpuhp_state, list); } =20 static void acpi_ged_send_event(AcpiDeviceIf *adev, AcpiEventStatusBits ev) @@ -291,6 +299,8 @@ static void acpi_ged_send_event(AcpiDeviceIf *adev, Acp= iEventStatusBits ev) sel =3D ACPI_GED_PWR_DOWN_EVT; } else if (ev & ACPI_NVDIMM_HOTPLUG_STATUS) { sel =3D ACPI_GED_NVDIMM_HOTPLUG_EVT; + } else if (ev & ACPI_CPU_HOTPLUG_STATUS) { + sel =3D ACPI_GED_CPU_HOTPLUG_EVT; } else { /* Unknown event. Return without generating interrupt. */ warn_report("GED: Unsupported event %d. No irq injected", ev); --=20 2.34.1