From patchwork Wed May 29 01:47:40 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: liguang X-Patchwork-Id: 247091 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 82CCD2C033F for ; Wed, 29 May 2013 12:01:08 +1000 (EST) Received: from localhost ([::1]:36579 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UhVhK-00049f-Mz for incoming@patchwork.ozlabs.org; Tue, 28 May 2013 22:01:06 -0400 Received: from eggs.gnu.org ([208.118.235.92]:44484) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UhVgc-00041z-JP for qemu-devel@nongnu.org; Tue, 28 May 2013 22:00:27 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UhVgY-0007Gl-1p for qemu-devel@nongnu.org; Tue, 28 May 2013 22:00:22 -0400 Received: from [222.73.24.84] (port=8910 helo=song.cn.fujitsu.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UhVgX-0007G1-Np for qemu-devel@nongnu.org; Tue, 28 May 2013 22:00:17 -0400 X-IronPort-AV: E=Sophos;i="4.87,762,1363104000"; d="scan'208";a="7396038" Received: from unknown (HELO tang.cn.fujitsu.com) ([10.167.250.3]) by song.cn.fujitsu.com with ESMTP; 29 May 2013 09:57:24 +0800 Received: from fnstmail02.fnst.cn.fujitsu.com (tang.cn.fujitsu.com [127.0.0.1]) by tang.cn.fujitsu.com (8.14.3/8.13.1) with ESMTP id r4T1nTWi025493; Wed, 29 May 2013 09:49:31 +0800 Received: from liguang.fnst.cn.fujitsu.com ([10.167.233.147]) by fnstmail02.fnst.cn.fujitsu.com (Lotus Domino Release 8.5.3) with ESMTP id 2013052909475905-1617898 ; Wed, 29 May 2013 09:47:59 +0800 From: liguang To: qemu-devel@nongnu.org Date: Wed, 29 May 2013 09:47:40 +0800 Message-Id: <1369792062-14269-6-git-send-email-lig.fnst@cn.fujitsu.com> X-Mailer: git-send-email 1.7.2.5 In-Reply-To: <1369792062-14269-1-git-send-email-lig.fnst@cn.fujitsu.com> References: <1369792062-14269-1-git-send-email-lig.fnst@cn.fujitsu.com> X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2013/05/29 09:47:59, Serialize by Router on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2013/05/29 09:48:10, Serialize complete at 2013/05/29 09:48:10 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 222.73.24.84 Cc: Kevin Wolf , Anthony Liguori , Juan Quintela , Stefan Berger , "Michael S. Tsirkin" , Markus Armbruster , Christian Borntraeger , Alexander Graf , Joel Schopp , Gerd Hoffmann , Igor Mammedov , Paolo Bonzini , Luiz Capitulino , =?UTF-8?q?Andreas=20F=C3=A4rber?= , liguang , Isaku Yamahata Subject: [Qemu-devel] [PATCH RFC 5/7] piix4: add events for cpu hotplug 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 Signed-off-by: liguang --- hw/acpi/piix4.c | 8 ++++++++ 1 files changed, 8 insertions(+), 0 deletions(-) diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c index fc42333..2037c4e 100644 --- a/hw/acpi/piix4.c +++ b/hw/acpi/piix4.c @@ -657,6 +657,14 @@ static void piix4_cpu_hotplug_req(PIIX4PMState *s, CPUState *cpu, g->sts[cpu_id / 8] &= ~(1 << (cpu_id % 8)); } pm_update_sci(s); + + if (qemu_ec_enabled()) { + uint8_t cpu_sts = ec_acpi_space_peek(EC_ACPI_SPACE_CPUS); + + ec_acpi_event(EVENT_CPU_ONLINE); + ec_acpi_space_poke(EC_ACPI_SPACE_CPUS, 1 << cpu_id | cpu_sts); + ec_acpi_space_poke(EC_ACPI_SPACE_CPUN, cpu_id); + } } static void piix4_cpu_added_req(Notifier *n, void *opaque)