From patchwork Thu Mar 14 08:48:47 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hu Tao X-Patchwork-Id: 227496 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 CD3672C00A6 for ; Thu, 14 Mar 2013 19:49:07 +1100 (EST) Received: from localhost ([::1]:47590 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UG3qU-0004n9-3B for incoming@patchwork.ozlabs.org; Thu, 14 Mar 2013 04:49:06 -0400 Received: from eggs.gnu.org ([208.118.235.92]:56237) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UG3qE-0004md-Bx for qemu-devel@nongnu.org; Thu, 14 Mar 2013 04:48:51 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UG3qD-0004l2-17 for qemu-devel@nongnu.org; Thu, 14 Mar 2013 04:48:50 -0400 Received: from [222.73.24.84] (port=24482 helo=song.cn.fujitsu.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UG3qC-0004ks-N8 for qemu-devel@nongnu.org; Thu, 14 Mar 2013 04:48:48 -0400 X-IronPort-AV: E=Sophos;i="4.84,843,1355068800"; d="scan'208";a="6871590" Received: from unknown (HELO tang.cn.fujitsu.com) ([10.167.250.3]) by song.cn.fujitsu.com with ESMTP; 14 Mar 2013 16:46:15 +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 r2E8me62000461; Thu, 14 Mar 2013 16:48:40 +0800 Received: from localhost.localdomain ([10.167.233.156]) by fnstmail02.fnst.cn.fujitsu.com (Lotus Domino Release 8.5.3) with ESMTP id 2013031416472455-863693 ; Thu, 14 Mar 2013 16:47:24 +0800 From: Hu Tao To: qemu-devel , "Daniel P. Berrange" , KAMEZAWA Hiroyuki , Jan Kiszka , Gleb Natapov , Blue Swirl , Eric Blake , Andrew Jones , Marcelo Tosatti , Sasha Levin , Luiz Capitulino , Anthony Liguori , Markus Armbruster , Paolo Bonzini , Stefan Hajnoczi , Juan Quintela , Orit Wasserman , Kevin Wolf , Wen Congyang , "Michael S. Tsirkin" , Alexander Graf , Alex Williamson , Peter Maydell , Christian Borntraeger , seabios@seabios.org Date: Thu, 14 Mar 2013 16:48:47 +0800 Message-Id: <1363250927-20298-1-git-send-email-hutao@cn.fujitsu.com> X-Mailer: git-send-email 1.8.1.4 X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2013/03/14 16:47:24, Serialize by Router on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2013/03/14 16:47:25, Serialize complete at 2013/03/14 16:47:25 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 222.73.24.84 Subject: [Qemu-devel] [PATCH] Add pvevent device driver 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 pvevent device is used to notify host(qemu) when guest panic happens. ref: http://lists.nongnu.org/archive/html/qemu-devel/2013-03/msg02293.html Signed-off-by: Hu Tao --- src/acpi-dsdt-isa.dsl | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/src/acpi-dsdt-isa.dsl b/src/acpi-dsdt-isa.dsl index 23761db..d083245 100644 --- a/src/acpi-dsdt-isa.dsl +++ b/src/acpi-dsdt-isa.dsl @@ -99,4 +99,34 @@ Scope(\_SB.PCI0.ISA) { IRQNoFlags() { 3 } }) } + + Device(PEVT) { + Name(_HID, "MSFT0001") + OperationRegion(PEOR, SystemIO, 0x0505, 0x01) + Field(PEOR, ByteAcc, NoLock, Preserve) { + PEPT, 8, + } + + Method(_STA, 0, NotSerialized) { + Store(PEPT, Local0) + If (LEqual(Local0, Zero)) { + Return (0x00) + } Else { + Return (0x0F) + } + } + + Method(RDPT, 0, NotSerialized) { + Store(PEPT, Local0) + Return (Local0) + } + + Method(WRPT, 1, NotSerialized) { + Store(Arg0, PEPT) + } + + Name(_CRS, ResourceTemplate() { + IO(Decode16, 0x0505, 0x0505, 0x01, 0x01) + }) + } }