From patchwork Thu May 12 03:48:25 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bharata B Rao X-Patchwork-Id: 9076661 Return-Path: X-Original-To: patchwork-qemu-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id E71BCBF29F for ; Thu, 12 May 2016 04:00:48 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 4BBB4201C7 for ; Thu, 12 May 2016 04:00:48 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 0FA642014A for ; Thu, 12 May 2016 04:00:47 +0000 (UTC) Received: from localhost ([::1]:55313 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b0hnq-0000IM-6W for patchwork-qemu-devel@patchwork.kernel.org; Thu, 12 May 2016 00:00:46 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:47580) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b0hmu-00073a-SK for qemu-devel@nongnu.org; Wed, 11 May 2016 23:59:50 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1b0hmo-00058F-DQ for qemu-devel@nongnu.org; Wed, 11 May 2016 23:59:45 -0400 Received: from e28smtp07.in.ibm.com ([125.16.236.7]:49939) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b0hmn-00056o-OB for qemu-devel@nongnu.org; Wed, 11 May 2016 23:59:42 -0400 Received: from localhost by e28smtp07.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; Thu, 12 May 2016 09:19:07 +0530 X-IBM-Helo: d28dlp01.in.ibm.com X-IBM-MailFrom: bharata@linux.vnet.ibm.com X-IBM-RcptTo: qemu-devel@nongnu.org;qemu-ppc@nongnu.org Received: from d28relay08.in.ibm.com (d28relay08.in.ibm.com [9.184.220.159]) by d28dlp01.in.ibm.com (Postfix) with ESMTP id 7CE49E005A; Thu, 12 May 2016 09:22:12 +0530 (IST) Received: from d28av05.in.ibm.com (d28av05.in.ibm.com [9.184.220.67]) by d28relay08.in.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id u4C3n5Nu30736518; Thu, 12 May 2016 09:19:05 +0530 Received: from d28av05.in.ibm.com (localhost [127.0.0.1]) by d28av05.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id u4C3mnTh014511; Thu, 12 May 2016 09:19:04 +0530 Received: from bharata.in.ibm.com ([9.124.35.211]) by d28av05.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id u4C3mVWb013715; Thu, 12 May 2016 09:18:48 +0530 From: Bharata B Rao To: qemu-devel@nongnu.org Date: Thu, 12 May 2016 09:18:25 +0530 Message-Id: <1463024905-28401-16-git-send-email-bharata@linux.vnet.ibm.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1463024905-28401-1-git-send-email-bharata@linux.vnet.ibm.com> References: <1463024905-28401-1-git-send-email-bharata@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 16051203-0025-0000-0000-00000C23D939 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 125.16.236.7 Subject: [Qemu-devel] [for-2.7 PATCH v3 15/15] spapr: implement query-hotpluggable-cpus callback X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mjrosato@linux.vnet.ibm.com, thuth@redhat.com, pkrempa@redhat.com, ehabkost@redhat.com, aik@ozlabs.ru, Bharata B Rao , armbru@redhat.com, agraf@suse.de, borntraeger@de.ibm.com, qemu-ppc@nongnu.org, pbonzini@redhat.com, imammedo@redhat.com, mdroth@linux.vnet.ibm.com, afaerber@suse.de, david@gibson.dropbear.id.au Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Igor Mammedov It returns a list of present/possible to hotplug CPU objects with a list of properties to use with device_add. in spapr case returned list would looks like: -> { "execute": "query-hotpluggable-cpus" } <- {"return": [ { "props": { "core": 8 }, "type": "POWER8-spapr-cpu-core", "vcpus-count": 2 }, { "props": { "core": 0 }, "type": "POWER8-spapr-cpu-core", "vcpus-count": 2, "qom-path": "/machine/unattached/device[0]"} ]}' TODO: add 'node' property for core <-> numa node mapping Signed-off-by: Igor Mammedov Signed-off-by: Bharata B Rao --- hw/ppc/spapr.c | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index a8cd74d..ae95580 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -66,6 +66,7 @@ #include "hw/compat.h" #include "qemu/cutils.h" #include "hw/ppc/spapr_cpu_core.h" +#include "qmp-commands.h" #include @@ -2391,6 +2392,38 @@ static unsigned spapr_cpu_index_to_socket_id(unsigned cpu_index) return cpu_index / smp_threads / smp_cores; } +static HotpluggableCPUList *spapr_query_hotpluggable_cpus(MachineState *machine) +{ + int i; + HotpluggableCPUList *head = NULL; + sPAPRMachineState *spapr = SPAPR_MACHINE(machine); + int spapr_max_cores = max_cpus / smp_threads; + int smt = kvmppc_smt_threads(); + + for (i = 0; i < spapr_max_cores; i++) { + HotpluggableCPUList *list_item = g_new0(typeof(*list_item), 1); + HotpluggableCPU *cpu_item = g_new0(typeof(*cpu_item), 1); + CpuInstanceProperties *cpu_props = g_new0(typeof(*cpu_props), 1); + + cpu_item->type = spapr_get_cpu_core_type(machine->cpu_model); + cpu_item->vcpus_count = smp_threads; + cpu_props->has_core = true; + cpu_props->core = i * smt; + /* TODO: add 'has_node/node' here to describe + to which node core belongs */ + + cpu_item->props = cpu_props; + if (spapr->cores[i]) { + cpu_item->has_qom_path = true; + cpu_item->qom_path = object_get_canonical_path(spapr->cores[i]); + } + list_item->value = cpu_item; + list_item->next = head; + head = list_item; + } + return head; +} + static void spapr_machine_class_init(ObjectClass *oc, void *data) { MachineClass *mc = MACHINE_CLASS(oc); @@ -2421,6 +2454,7 @@ static void spapr_machine_class_init(ObjectClass *oc, void *data) hc->plug = spapr_machine_device_plug; hc->unplug = spapr_machine_device_unplug; mc->cpu_index_to_socket_id = spapr_cpu_index_to_socket_id; + mc->query_hotpluggable_cpus = spapr_query_hotpluggable_cpus; smc->dr_lmb_enabled = true; smc->dr_cpu_enabled = true;