From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A3C14C433DF for ; Tue, 7 Jul 2020 04:09:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8C7EC20708 for ; Tue, 7 Jul 2020 04:09:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727072AbgGGEJP (ORCPT ); Tue, 7 Jul 2020 00:09:15 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:17568 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725766AbgGGEJO (ORCPT ); Tue, 7 Jul 2020 00:09:14 -0400 Received: from pps.filterd (m0098394.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 06741rt4112843; Tue, 7 Jul 2020 00:09:13 -0400 Received: from ppma02dal.us.ibm.com (a.bd.3ea9.ip4.static.sl-reverse.com [169.62.189.10]) by mx0a-001b2d01.pphosted.com with ESMTP id 32486cdutp-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 07 Jul 2020 00:09:13 -0400 Received: from pps.filterd (ppma02dal.us.ibm.com [127.0.0.1]) by ppma02dal.us.ibm.com (8.16.0.42/8.16.0.42) with SMTP id 0673xPjL028027; Tue, 7 Jul 2020 04:09:12 GMT Received: from b01cxnp22035.gho.pok.ibm.com (b01cxnp22035.gho.pok.ibm.com [9.57.198.25]) by ppma02dal.us.ibm.com with ESMTP id 322hd922tf-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 07 Jul 2020 04:09:12 +0000 Received: from b01ledav006.gho.pok.ibm.com (b01ledav006.gho.pok.ibm.com [9.57.199.111]) by b01cxnp22035.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 06749Bs045678944 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 7 Jul 2020 04:09:11 GMT Received: from b01ledav006.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id A57BDAC062; Tue, 7 Jul 2020 04:09:11 +0000 (GMT) Received: from b01ledav006.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 93B8FAC05F; Tue, 7 Jul 2020 04:09:11 +0000 (GMT) Received: from sbct-3.pok.ibm.com (unknown [9.47.158.153]) by b01ledav006.gho.pok.ibm.com (Postfix) with ESMTP; Tue, 7 Jul 2020 04:09:11 +0000 (GMT) Subject: Re: [PATCH v9 2/2] tpm: Add support for event log pointer found in TPM2 ACPI table To: Jarkko Sakkinen Cc: Stefan Berger , linux-integrity@vger.kernel.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, linux-security-module@vger.kernel.org References: <20200706181953.3592084-1-stefanb@linux.vnet.ibm.com> <20200706181953.3592084-3-stefanb@linux.vnet.ibm.com> <20200706230914.GC20770@linux.intel.com> <78ec872f-89b3-6464-6ede-bd0a46fe5c4c@linux.ibm.com> <20200707022416.GC112019@linux.intel.com> <20200707040325.GB143804@linux.intel.com> From: Stefan Berger Message-ID: <85c27199-df55-eecc-855c-dedcea64f89e@linux.ibm.com> Date: Tue, 7 Jul 2020 00:09:11 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 In-Reply-To: <20200707040325.GB143804@linux.intel.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235,18.0.687 definitions=2020-07-07_01:2020-07-06,2020-07-06 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 spamscore=0 impostorscore=0 mlxscore=0 clxscore=1015 adultscore=0 priorityscore=1501 mlxlogscore=999 lowpriorityscore=0 suspectscore=0 bulkscore=0 phishscore=0 cotscore=-2147483648 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2007070025 Sender: linux-integrity-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-integrity@vger.kernel.org On 7/7/20 12:03 AM, Jarkko Sakkinen wrote: > On Mon, Jul 06, 2020 at 11:08:12PM -0400, Stefan Berger wrote: >> On 7/6/20 10:24 PM, Jarkko Sakkinen wrote: >>> On Mon, Jul 06, 2020 at 07:55:26PM -0400, Stefan Berger wrote: >>>> On 7/6/20 7:09 PM, Jarkko Sakkinen wrote: >>>>> On Mon, Jul 06, 2020 at 02:19:53PM -0400, Stefan Berger wrote: >>>>>> From: Stefan Berger >>>>>> >>>>>> In case a TPM2 is attached, search for a TPM2 ACPI table when trying >>>>>> to get the event log from ACPI. If one is found, use it to get the >>>>>> start and length of the log area. This allows non-UEFI systems, such >>>>>> as SeaBIOS, to pass an event log when using a TPM2. >>>>>> >>>>>> Signed-off-by: Stefan Berger >>>>> Do you think that QEMU with TPM 1.2 emulator turned on would be a viable >>>>> way to test this? >>>> Yes. >>> Is the emulator bundled with QEMU or does it have to be installed >>> separately? >> It has to be installed separately. On Fedora 31 it would just be a `sudo dnf >> -y install swtpm-tools` and you should be good to go with libvirt / >> virt-manager. > Is there some packaging for Debian/Ubuntu available? So far may not be available yet. I had *experimented* with a PPA once: https://launchpad.net/~stefanberger/+archive/ubuntu/swtpm-focal > /Jarkko