From mboxrd@z Thu Jan 1 00:00:00 1970 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 Date: Mon, 20 Jan 2014 16:10:48 +0200 From: "Michael S. Tsirkin" 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-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1390226872-781-1-git-send-email-mst@redhat.com> Subject: [Qemu-devel] [PULL 26/29] pc: ACPI: expose PRST IO range via _CRS List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Igor Mammedov , Anthony Liguori 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 */ + } } -- MST