From patchwork Mon Jan 20 14:10:48 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Michael S. Tsirkin" X-Patchwork-Id: 312555 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 354CF2C009F for ; Tue, 21 Jan 2014 01:16:39 +1100 (EST) Received: from localhost ([::1]:52255 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1W5FeW-0003X4-Mt for incoming@patchwork.ozlabs.org; Mon, 20 Jan 2014 09:16:36 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:44049) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1W5FUT-00073F-CL for qemu-devel@nongnu.org; Mon, 20 Jan 2014 09:06:19 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1W5FUN-0001rU-Dq for qemu-devel@nongnu.org; Mon, 20 Jan 2014 09:06:13 -0500 Received: from mx1.redhat.com ([209.132.183.28]:15978) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1W5FUN-0001rM-4n for qemu-devel@nongnu.org; Mon, 20 Jan 2014 09:06:07 -0500 Received: from int-mx02.intmail.prod.int.phx2.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s0KE659M023584 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Mon, 20 Jan 2014 09:06:06 -0500 Received: from redhat.com (vpn1-4-138.ams2.redhat.com [10.36.4.138]) by int-mx02.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with SMTP id s0KE62x9026713; Mon, 20 Jan 2014 09:06:03 -0500 Date: Mon, 20 Jan 2014 16:10:48 +0200 From: "Michael S. Tsirkin" To: qemu-devel@nongnu.org Message-ID: <1390226872-781-27-git-send-email-mst@redhat.com> References: <1390226872-781-1-git-send-email-mst@redhat.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1390226872-781-1-git-send-email-mst@redhat.com> X-Mutt-Fcc: =sent X-Scanned-By: MIMEDefang 2.67 on 10.5.11.12 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 209.132.183.28 Cc: Igor Mammedov , Anthony Liguori Subject: [Qemu-devel] [PULL 26/29] pc: ACPI: expose PRST IO range via _CRS 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: Igor Mammedov .. so OSPM could notice resource conflict if there is any. Signed-off-by: Igor Mammedov Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/i386/acpi-dsdt-cpu-hotplug.dsl | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/hw/i386/acpi-dsdt-cpu-hotplug.dsl b/hw/i386/acpi-dsdt-cpu-hotplug.dsl index 1dfbb4f..f91eafd 100644 --- a/hw/i386/acpi-dsdt-cpu-hotplug.dsl +++ b/hw/i386/acpi-dsdt-cpu-hotplug.dsl @@ -16,6 +16,7 @@ /**************************************************************** * CPU hotplug ****************************************************************/ +#define CPU_HOTPLUG_RESOURCE_DEVICE PRES Scope(\_SB) { /* Objects filled in by run-time generated SSDT */ @@ -52,7 +53,8 @@ Scope(\_SB) { Sleep(200) } - OperationRegion(PRST, SystemIO, CPU_STATUS_BASE, 32) +#define CPU_STATUS_LEN 32 + OperationRegion(PRST, SystemIO, CPU_STATUS_BASE, CPU_STATUS_LEN) Field(PRST, ByteAcc, NoLock, Preserve) { PRS, 256 } @@ -89,4 +91,14 @@ Scope(\_SB) { Increment(Local0) } } + + Device(CPU_HOTPLUG_RESOURCE_DEVICE) { + Name(_HID, "ACPI0004") + + Name(_CRS, ResourceTemplate() { + IO(Decode16, CPU_STATUS_BASE, CPU_STATUS_BASE, 0, CPU_STATUS_LEN) + }) + + Name(_STA, 0xB) /* present, functioning, decoding, not shown in UI */ + } }