From patchwork Thu Aug 28 03:36:40 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gu Zheng X-Patchwork-Id: 383677 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id CC225140171 for ; Thu, 28 Aug 2014 14:01:59 +1000 (EST) Received: from localhost ([::1]:34376 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XMquM-0007z5-22 for incoming@patchwork.ozlabs.org; Thu, 28 Aug 2014 00:01:58 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:47013) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XMqtg-0006x9-SM for qemu-devel@nongnu.org; Thu, 28 Aug 2014 00:01:22 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XMqta-00054X-Px for qemu-devel@nongnu.org; Thu, 28 Aug 2014 00:01:16 -0400 Received: from fgwmail5.fujitsu.co.jp ([192.51.44.35]:49820) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XMqta-00054S-Af for qemu-devel@nongnu.org; Thu, 28 Aug 2014 00:01:10 -0400 Received: from kw-mxoi1.gw.nic.fujitsu.com (unknown [10.0.237.133]) by fgwmail5.fujitsu.co.jp (Postfix) with ESMTP id 68B173EE1B9 for ; Thu, 28 Aug 2014 13:01:09 +0900 (JST) Received: from s1.gw.fujitsu.co.jp (s1.gw.fujitsu.co.jp [10.0.50.91]) by kw-mxoi1.gw.nic.fujitsu.com (Postfix) with ESMTP id 86CD0AC085D for ; Thu, 28 Aug 2014 13:01:03 +0900 (JST) Received: from s00.gw.fujitsu.co.jp (s00.gw.nic.fujitsu.com [133.161.11.15]) by s1.gw.fujitsu.co.jp (Postfix) with ESMTP id 0DC9AE18001 for ; Thu, 28 Aug 2014 13:01:03 +0900 (JST) Received: from s00.gw.fujitsu.co.jp (kw-mxio2.gw.nic.fujitsu.com [10.0.237.142]) by s00.gw.fujitsu.co.jp (Postfix) with ESMTP id DB3ED1180C3; Thu, 28 Aug 2014 13:01:02 +0900 (JST) Received: from guz (unknown [10.167.226.100]) by s00.gw.fujitsu.co.jp (Postfix) with ESMTP id B559D8A003; Thu, 28 Aug 2014 13:01:02 +0900 (JST) Received: (from root@localhost) by guz (8.14.5/8.14.5/Submit) id s7S3jxXB009701; Thu, 28 Aug 2014 11:45:59 +0800 From: Gu Zheng To: qemu-devel@nongnu.org, imammedo@redhat.com, afaerber@suse.de Date: Thu, 28 Aug 2014 11:36:40 +0800 Message-Id: <1409197002-9498-9-git-send-email-guz.fnst@cn.fujitsu.com> X-Mailer: git-send-email 1.7.7 In-Reply-To: <1409197002-9498-1-git-send-email-guz.fnst@cn.fujitsu.com> References: <1409197002-9498-1-git-send-email-guz.fnst@cn.fujitsu.com> X-TM-AS-MML: No X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 192.51.44.35 Cc: chen.fan.fnst@cn.fujitsu.com, anshul.makkar@profitbricks.com, isimatu.yasuaki@jp.fujitsu.com, Gu Zheng , tangchen@cn.fujitsu.com Subject: [Qemu-devel] [RFC V2 08/10] i386: implement pc interface cpu_common_unrealizefn() in qom/cpu.c 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 From: Chen Fan add interface cpu_common_unrealizefn() for emiting vcpu unplug notifier to ACPI, then ACPI could send sci interrupt to OS for hot-remove vcpu. Signed-off-by: Chen Fan Signed-off-by: Gu Zheng --- qom/cpu.c | 12 ++++++++++++ 1 files changed, 12 insertions(+), 0 deletions(-) diff --git a/qom/cpu.c b/qom/cpu.c index f921282..8bb2b4f 100644 --- a/qom/cpu.c +++ b/qom/cpu.c @@ -315,6 +315,17 @@ static void cpu_common_realizefn(DeviceState *dev, Error **errp) } } +static void cpu_common_unrealizefn(DeviceState *dev, Error **errp) +{ + CPUNotifier notifier; + + notifier.dev = dev; + notifier.type = UNPLUG; + + notifier_list_notify(&cpu_hotplug_notifiers, ¬ifier); +} + + static void cpu_common_initfn(Object *obj) { CPUState *cpu = CPU(obj); @@ -348,6 +359,7 @@ static void cpu_class_init(ObjectClass *klass, void *data) k->gdb_write_register = cpu_common_gdb_write_register; k->virtio_is_big_endian = cpu_common_virtio_is_big_endian; dc->realize = cpu_common_realizefn; + dc->unrealize = cpu_common_unrealizefn; /* * Reason: CPUs still need special care by board code: wiring up * IRQs, adding reset handlers, halting non-first CPUs, ...