From patchwork Tue Apr 23 08:29:39 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Igor Mammedov X-Patchwork-Id: 238837 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id BEE0C2C007B for ; Tue, 23 Apr 2013 19:39:55 +1000 (EST) Received: from localhost ([::1]:47184 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UUZha-00085y-1m for incoming@patchwork.ozlabs.org; Tue, 23 Apr 2013 05:39:54 -0400 Received: from eggs.gnu.org ([208.118.235.92]:56916) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UUYf1-0006Lt-BC for qemu-devel@nongnu.org; Tue, 23 Apr 2013 04:33:12 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UUYf0-0001pu-3I for qemu-devel@nongnu.org; Tue, 23 Apr 2013 04:33:11 -0400 Received: from mx1.redhat.com ([209.132.183.28]:45105) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UUYez-0001pm-Rl for qemu-devel@nongnu.org; Tue, 23 Apr 2013 04:33:10 -0400 Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id r3N8Wcki003166 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Tue, 23 Apr 2013 04:32:38 -0400 Received: from dell-pet610-01.lab.eng.brq.redhat.com (dell-pet610-01.lab.eng.brq.redhat.com [10.34.42.20]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id r3N8W6jS017193; Tue, 23 Apr 2013 04:32:34 -0400 From: Igor Mammedov To: qemu-devel@nongnu.org Date: Tue, 23 Apr 2013 10:29:39 +0200 Message-Id: <1366705795-24732-6-git-send-email-imammedo@redhat.com> In-Reply-To: <1366705795-24732-1-git-send-email-imammedo@redhat.com> References: <1366705795-24732-1-git-send-email-imammedo@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 209.132.183.28 Cc: peter.maydell@linaro.org, gleb@redhat.com, mst@redhat.com, jan.kiszka@siemens.com, lcapitulino@redhat.com, blauwirbel@gmail.com, kraxel@redhat.com, quintela@redhat.com, armbru@redhat.com, yang.z.zhang@intel.com, ehabkost@redhat.com, stefano.stabellini@eu.citrix.com, aderumier@odiso.com, anthony.perard@citrix.com, alex.williamson@redhat.com, rth@twiddle.net, kwolf@redhat.com, aliguori@us.ibm.com, claudio.fontana@huawei.com, pbonzini@redhat.com, afaerber@suse.de Subject: [Qemu-devel] [PATCH 05/21] introduce CPU hot-plug notifier 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org hot-add CPU event will be distributed to acpi_piix4 and rtc_cmos Signed-off-by: Igor Mammedov --- v3: * call notifier right before CPU becomes runable v2: * move notifier to qom/cpu.c and call it from CPUClass.realize() on hotplug * remove get_firmware_id() since it belong to other patch --- include/sysemu/sysemu.h | 3 +++ qom/cpu.c | 12 ++++++++++++ 2 files changed, 15 insertions(+), 0 deletions(-) diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h index 6578782..a8c3de1 100644 --- a/include/sysemu/sysemu.h +++ b/include/sysemu/sysemu.h @@ -152,6 +152,9 @@ void do_pci_device_hot_remove(Monitor *mon, const QDict *qdict); /* generic hotplug */ void drive_hot_add(Monitor *mon, const QDict *qdict); +/* CPU hotplug */ +void qemu_register_cpu_added_notifier(Notifier *notifier); + /* pcie aer error injection */ void pcie_aer_inject_error_print(Monitor *mon, const QObject *data); int do_pcie_aer_inject_error(Monitor *mon, diff --git a/qom/cpu.c b/qom/cpu.c index abb20d0..9f78114 100644 --- a/qom/cpu.c +++ b/qom/cpu.c @@ -21,6 +21,17 @@ #include "qom/cpu.h" #include "qemu-common.h" #include "sysemu/kvm.h" +#include "qemu/notify.h" +#include "sysemu/sysemu.h" + +/* CPU hot-plug notifiers */ +static NotifierList cpu_added_notifiers = + NOTIFIER_LIST_INITIALIZER(cpu_add_notifiers); + +void qemu_register_cpu_added_notifier(Notifier *notifier) +{ + notifier_list_add(&cpu_added_notifiers, notifier); +} void cpu_reset_interrupt(CPUState *cpu, int mask) { @@ -60,6 +71,7 @@ static void cpu_common_realizefn(DeviceState *dev, Error **errp) { if (dev->hotplugged) { cpu_synchronize_post_init(CPU(dev)); + notifier_list_notify(&cpu_added_notifiers, dev); cpu_resume(CPU(dev)); } }