From patchwork Fri Mar 4 17:34:35 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthew Rosato X-Patchwork-Id: 8506591 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 C5E5EC0553 for ; Fri, 4 Mar 2016 17:38:37 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 2B9242017E for ; Fri, 4 Mar 2016 17:38:37 +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 71ED620166 for ; Fri, 4 Mar 2016 17:38:36 +0000 (UTC) Received: from localhost ([::1]:42719 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1abtgR-0003Vd-Sj for patchwork-qemu-devel@patchwork.kernel.org; Fri, 04 Mar 2016 12:38:35 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39518) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1abtd0-000683-LQ for qemu-devel@nongnu.org; Fri, 04 Mar 2016 12:35:07 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1abtcw-0000zE-4x for qemu-devel@nongnu.org; Fri, 04 Mar 2016 12:35:02 -0500 Received: from e18.ny.us.ibm.com ([129.33.205.208]:54648) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1abtcw-0000zA-0f for qemu-devel@nongnu.org; Fri, 04 Mar 2016 12:34:58 -0500 Received: from localhost by e18.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; Fri, 4 Mar 2016 12:34:56 -0500 X-IBM-Helo: d01dlp02.pok.ibm.com X-IBM-MailFrom: mjrosato@linux.vnet.ibm.com X-IBM-RcptTo: qemu-devel@nongnu.org Received: from b01cxnp22036.gho.pok.ibm.com (b01cxnp22036.gho.pok.ibm.com [9.57.198.26]) by d01dlp02.pok.ibm.com (Postfix) with ESMTP id 5E0976E8040 for ; Fri, 4 Mar 2016 12:21:46 -0500 (EST) Received: from d01av05.pok.ibm.com (d01av05.pok.ibm.com [9.56.224.195]) by b01cxnp22036.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id u24HYtxt28901536 for ; Fri, 4 Mar 2016 17:34:55 GMT Received: from d01av05.pok.ibm.com (localhost [127.0.0.1]) by d01av05.pok.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id u24HUcNF002071 for ; Fri, 4 Mar 2016 12:30:38 -0500 Received: from rosatomj-ThinkPad-W530.ibm.com (sig-9-48-110-53.ibm.com [9.48.110.53]) by d01av05.pok.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id u24HUKT1001516; Fri, 4 Mar 2016 12:30:36 -0500 From: Matthew Rosato To: qemu-devel@nongnu.org Date: Fri, 4 Mar 2016 12:34:35 -0500 Message-Id: <1457112875-5209-8-git-send-email-mjrosato@linux.vnet.ibm.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1457112875-5209-1-git-send-email-mjrosato@linux.vnet.ibm.com> References: <1457112875-5209-1-git-send-email-mjrosato@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 16030417-0045-0000-0000-00000385ACB9 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 129.33.205.208 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 v9 7/7] s390x/cpu: Allow hotplug of CPUs 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 Implement cpu hotplug routine and add the machine hook. Signed-off-by: Matthew Rosato Reviewed-by: David Hildenbrand --- hw/s390x/s390-virtio-ccw.c | 10 ++++++++++ target-s390x/cpu.c | 7 +++++++ 2 files changed, 17 insertions(+) diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c index 7fc1879..a84375b 100644 --- a/hw/s390x/s390-virtio-ccw.c +++ b/hw/s390x/s390-virtio-ccw.c @@ -186,6 +186,15 @@ static HotplugHandler *s390_get_hotplug_handler(MachineState *machine, return NULL; } +static void s390_hot_add_cpu(const int64_t id, Error **errp) +{ + MachineState *machine = MACHINE(qdev_get_machine()); + Error *err = NULL; + + s390x_new_cpu(machine->cpu_model, id, &err); + error_propagate(errp, err); +} + static void ccw_machine_class_init(ObjectClass *oc, void *data) { MachineClass *mc = MACHINE_CLASS(oc); @@ -194,6 +203,7 @@ static void ccw_machine_class_init(ObjectClass *oc, void *data) mc->init = ccw_init; mc->reset = s390_machine_reset; + mc->hot_add_cpu = s390_hot_add_cpu; mc->block_default_type = IF_VIRTIO; mc->no_cdrom = 1; mc->no_floppy = 1; diff --git a/target-s390x/cpu.c b/target-s390x/cpu.c index 3ae38fa..1cbf703 100644 --- a/target-s390x/cpu.c +++ b/target-s390x/cpu.c @@ -34,6 +34,7 @@ #ifndef CONFIG_USER_ONLY #include "sysemu/arch_init.h" #include "sysemu/sysemu.h" +#include "hw/s390x/sclp.h" #endif #define CR0_RESET 0xE0UL @@ -240,6 +241,12 @@ static void s390_cpu_realizefn(DeviceState *dev, Error **errp) scc->parent_realize(dev, &err); +#if !defined(CONFIG_USER_ONLY) + if (dev->hotplugged) { + raise_irq_cpu_hotplug(); + } +#endif + out: error_propagate(errp, err); }