From patchwork Thu Mar 3 21:30:31 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthew Rosato X-Patchwork-Id: 8496311 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 E6455C0553 for ; Thu, 3 Mar 2016 21:31:08 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 40823202FF for ; Thu, 3 Mar 2016 21:31:08 +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 743F020225 for ; Thu, 3 Mar 2016 21:31:07 +0000 (UTC) Received: from localhost ([::1]:37469 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1abapu-0001sN-NO for patchwork-qemu-devel@patchwork.kernel.org; Thu, 03 Mar 2016 16:31:06 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:54791) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1abapb-0001nn-V0 for qemu-devel@nongnu.org; Thu, 03 Mar 2016 16:30:49 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1abapY-0001lD-LK for qemu-devel@nongnu.org; Thu, 03 Mar 2016 16:30:47 -0500 Received: from e36.co.us.ibm.com ([32.97.110.154]:49410) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1abapY-0001kz-Ch for qemu-devel@nongnu.org; Thu, 03 Mar 2016 16:30:44 -0500 Received: from localhost by e36.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; Thu, 3 Mar 2016 14:30:42 -0700 X-IBM-Helo: d03dlp03.boulder.ibm.com X-IBM-MailFrom: mjrosato@linux.vnet.ibm.com X-IBM-RcptTo: qemu-devel@nongnu.org Received: from b03cxnp08027.gho.boulder.ibm.com (b03cxnp08027.gho.boulder.ibm.com [9.17.130.19]) by d03dlp03.boulder.ibm.com (Postfix) with ESMTP id CF9BC19D8048 for ; Thu, 3 Mar 2016 14:18:37 -0700 (MST) Received: from d03av02.boulder.ibm.com (d03av02.boulder.ibm.com [9.17.195.168]) by b03cxnp08027.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id u23LUfMA23593158 for ; Thu, 3 Mar 2016 14:30:41 -0700 Received: from d03av02.boulder.ibm.com (localhost [127.0.0.1]) by d03av02.boulder.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id u23LUeaJ000642 for ; Thu, 3 Mar 2016 14:30:40 -0700 Received: from rosatomj-ThinkPad-W530.endicott.ibm.com (rosatomj-thinkpad-w530.endicott.ibm.com [9.60.84.71]) by d03av02.boulder.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id u23LUXpJ032185; Thu, 3 Mar 2016 14:30:39 -0700 From: Matthew Rosato To: qemu-devel@nongnu.org Date: Thu, 3 Mar 2016 16:30:31 -0500 Message-Id: <1457040633-30951-6-git-send-email-mjrosato@linux.vnet.ibm.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1457040633-30951-1-git-send-email-mjrosato@linux.vnet.ibm.com> References: <1457040633-30951-1-git-send-email-mjrosato@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 16030321-0021-0000-0000-0000179DE040 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 32.97.110.154 Cc: dahi@linux.vnet.ibm.com, agraf@suse.de, borntraeger@de.ibm.com, imammedo@redhat.com, bharata@linux.vnet.ibm.com, cornelia.huck@de.ibm.com, pbonzini@redhat.com, afaerber@suse.de, rth@twiddle.net Subject: [Qemu-devel] [PATCH v8 5/7] s390x/cpu: Add CPU property links X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org 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 Link each CPUState as property machine/cpu[n] during initialization. Add a hotplug handler to s390-virtio-ccw machine and set the state during plug. Signed-off-by: Matthew Rosato Reviewed-by: David Hildenbrand --- hw/s390x/s390-virtio-ccw.c | 34 ++++++++++++++++++++++++++++++++++ hw/s390x/s390-virtio.c | 15 +++++++++++---- 2 files changed, 45 insertions(+), 4 deletions(-) diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c index b05ed8b..7fc1879 100644 --- a/hw/s390x/s390-virtio-ccw.c +++ b/hw/s390x/s390-virtio-ccw.c @@ -156,10 +156,41 @@ static void ccw_init(MachineState *machine) gtod_save, gtod_load, kvm_state); } +static void s390_cpu_plug(HotplugHandler *hotplug_dev, + DeviceState *dev, Error **errp) +{ + gchar *name; + S390CPU *cpu = S390_CPU(dev); + CPUState *cs = CPU(dev); + + name = g_strdup_printf("cpu[%i]", cpu->env.cpu_num); + object_property_set_link(OBJECT(hotplug_dev), OBJECT(cs), name, + errp); + g_free(name); +} + +static void s390_machine_device_plug(HotplugHandler *hotplug_dev, + DeviceState *dev, Error **errp) +{ + if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { + s390_cpu_plug(hotplug_dev, dev, errp); + } +} + +static HotplugHandler *s390_get_hotplug_handler(MachineState *machine, + DeviceState *dev) +{ + if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { + return HOTPLUG_HANDLER(machine); + } + return NULL; +} + static void ccw_machine_class_init(ObjectClass *oc, void *data) { MachineClass *mc = MACHINE_CLASS(oc); NMIClass *nc = NMI_CLASS(oc); + HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc); mc->init = ccw_init; mc->reset = s390_machine_reset; @@ -171,6 +202,8 @@ static void ccw_machine_class_init(ObjectClass *oc, void *data) mc->no_sdcard = 1; mc->use_sclp = 1; mc->max_cpus = 255; + mc->get_hotplug_handler = s390_get_hotplug_handler; + hc->plug = s390_machine_device_plug; nc->nmi_monitor_handler = s390_nmi; } @@ -232,6 +265,7 @@ static const TypeInfo ccw_machine_info = { .class_init = ccw_machine_class_init, .interfaces = (InterfaceInfo[]) { { TYPE_NMI }, + { TYPE_HOTPLUG_HANDLER}, { } }, }; diff --git a/hw/s390x/s390-virtio.c b/hw/s390x/s390-virtio.c index 90bc58a..f00d6b4 100644 --- a/hw/s390x/s390-virtio.c +++ b/hw/s390x/s390-virtio.c @@ -97,6 +97,7 @@ void s390_init_ipl_dev(const char *kernel_filename, void s390_init_cpus(MachineState *machine) { int i; + gchar *name; if (machine->cpu_model == NULL) { machine->cpu_model = "host"; @@ -105,11 +106,17 @@ void s390_init_cpus(MachineState *machine) cpu_states = g_malloc0(sizeof(S390CPU *) * max_cpus); for (i = 0; i < max_cpus; i++) { - S390CPU *cpu; - - cpu = cpu_s390x_init(machine->cpu_model); + name = g_strdup_printf("cpu[%i]", i); + object_property_add_link(OBJECT(machine), name, TYPE_S390_CPU, + (Object **) &cpu_states[i], + object_property_allow_set_link, + OBJ_PROP_LINK_UNREF_ON_RELEASE, + &error_abort); + g_free(name); + } - cpu_states[i] = cpu; + for (i = 0; i < smp_cpus; i++) { + cpu_s390x_init(machine->cpu_model); } }