From patchwork Mon May 9 07:03:18 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ulrich Obergfell X-Patchwork-Id: 94734 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [140.186.70.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 62DB7B6F59 for ; Mon, 9 May 2011 17:04:30 +1000 (EST) Received: from localhost ([::1]:35651 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QJKW3-0002Z5-Id for incoming@patchwork.ozlabs.org; Mon, 09 May 2011 03:04:27 -0400 Received: from eggs.gnu.org ([140.186.70.92]:34598) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QJKUp-0000w2-TF for qemu-devel@nongnu.org; Mon, 09 May 2011 03:03:15 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QJKUo-00041j-Us for qemu-devel@nongnu.org; Mon, 09 May 2011 03:03:11 -0400 Received: from mx1.redhat.com ([209.132.183.28]:25137) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QJKUo-00040h-NV for qemu-devel@nongnu.org; Mon, 09 May 2011 03:03:10 -0400 Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id p4973AO7015632 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Mon, 9 May 2011 03:03:10 -0400 Received: from localhost.localdomain (vpn2-9-235.ams2.redhat.com [10.36.9.235]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id p49732Hj030518; Mon, 9 May 2011 03:03:08 -0400 From: Ulrich Obergfell To: qemu-devel@nongnu.org Date: Mon, 9 May 2011 09:03:18 +0200 Message-Id: <1304924601-3848-3-git-send-email-uobergfe@redhat.com> In-Reply-To: <1304924601-3848-1-git-send-email-uobergfe@redhat.com> References: <1304924601-3848-1-git-send-email-uobergfe@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 209.132.183.28 Cc: aliguori@us.ibm.com, kvm@vger.kernel.org, jan.kiszka@siemens.com, mtosatti@redhat.com, uobergfe@redhat.com, gcosta@redhat.com, avi@redhat.com Subject: [Qemu-devel] [PATCH v4 2/5] hpet 'driftfix': add driftfix property to HPETState and DeviceInfo 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 driftfix is a 'bit type' property. Compensation of delayed callbacks and coalesced interrupts can be enabled with the command line option -global hpet.driftfix=on driftfix is 'off' (disabled) by default. Signed-off-by: Ulrich Obergfell --- hw/hpet.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/hw/hpet.c b/hw/hpet.c index 6ce07bc..7513065 100644 --- a/hw/hpet.c +++ b/hw/hpet.c @@ -72,6 +72,8 @@ typedef struct HPETState { uint64_t isr; /* interrupt status reg */ uint64_t hpet_counter; /* main counter */ uint8_t hpet_id; /* instance id */ + + uint32_t driftfix; } HPETState; static uint32_t hpet_in_legacy_mode(HPETState *s) @@ -738,6 +740,7 @@ static SysBusDeviceInfo hpet_device_info = { .qdev.props = (Property[]) { DEFINE_PROP_UINT8("timers", HPETState, num_timers, HPET_MIN_TIMERS), DEFINE_PROP_BIT("msi", HPETState, flags, HPET_MSI_SUPPORT, false), + DEFINE_PROP_BIT("driftfix", HPETState, driftfix, 0, false), DEFINE_PROP_END_OF_LIST(), }, };