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: 768412 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id p4973VdU013589 for ; Mon, 9 May 2011 07:03:31 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752774Ab1EIHDa (ORCPT ); Mon, 9 May 2011 03:03:30 -0400 Received: from mx1.redhat.com ([209.132.183.28]:32374 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752422Ab1EIHD3 (ORCPT ); Mon, 9 May 2011 03:03:29 -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 Cc: kvm@vger.kernel.org, uobergfe@redhat.com, gcosta@redhat.com, avi@redhat.com, mtosatti@redhat.com, aliguori@us.ibm.com, jan.kiszka@siemens.com Subject: [PATCH v4 2/5] hpet 'driftfix': add driftfix property to HPETState and DeviceInfo 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 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter1.kernel.org [140.211.167.41]); Mon, 09 May 2011 07:03:31 +0000 (UTC) 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(), }, };