From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752013AbdECXmR (ORCPT ); Wed, 3 May 2017 19:42:17 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:56400 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751670AbdECXmL (ORCPT ); Wed, 3 May 2017 19:42:11 -0400 Subject: Re: [PATCH v2 0/3] Extend the vTPM proxy driver to pass locality to emulator To: Jarkko Sakkinen References: <1493384538-27883-1-git-send-email-stefanb@linux.vnet.ibm.com> <20170503223849.qcoc6xqncbyi6jwj@intel.com> Cc: tpmdd-devel@lists.sourceforge.net, linux-security-module@vger.kernel.org, jgunthorpe@obsidianresearch.com, linux-kernel@vger.kernel.org From: Stefan Berger Date: Wed, 3 May 2017 19:42:06 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.4.0 MIME-Version: 1.0 In-Reply-To: <20170503223849.qcoc6xqncbyi6jwj@intel.com> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 x-cbid: 17050323-0040-0000-0000-00000330C6C6 X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00007019; HX=3.00000240; KW=3.00000007; PH=3.00000004; SC=3.00000208; SDB=6.00855876; UDB=6.00423630; IPR=6.00635039; BA=6.00005323; NDR=6.00000001; ZLA=6.00000005; ZF=6.00000009; ZB=6.00000000; ZP=6.00000000; ZH=6.00000000; ZU=6.00000002; MB=3.00015289; XFM=3.00000014; UTC=2017-05-03 23:42:09 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 17050323-0041-0000-0000-00000724E83D Message-Id: <72bacff5-5213-b114-ebf4-6e3fe7284bdc@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2017-05-03_17:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=2 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1703280000 definitions=main-1705030406 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 05/03/2017 06:38 PM, Jarkko Sakkinen wrote: > On Fri, Apr 28, 2017 at 09:02:15AM -0400, Stefan Berger wrote: >> The purpose of this series of patches is to enable the passing of the locality >> a command is executing in to a TPM emulator. To enable this we introduce a new >> flag for the device creation ioctl that requests that the locality be prepended >> to every command. For applications to check which flags the driver supports, we >> add a new ioctl that returns a bitmask of supported flags. > This is a weird change proposal as you could use tpm_vtpm_proxy for > other than some TPM emulator. I think in most cases the recipient of the TPM commands from the vtpm_proxy driver will be a TPM emulator. What do you have in mind? > >> v1->v2: >> - fixed return value from function in patch 3/3 >> >> >> Stefan Berger (3): >> tpm: vtpm_proxy: Add ioctl to get supported flags >> tpm: vtpm_proxy: Implement request_locality >> tpm: vtpm_proxy: Add ioctl to request locality prepended to command >> >> drivers/char/tpm/tpm_vtpm_proxy.c | 53 +++++++++++++++++++++++++++++++++++---- >> include/uapi/linux/vtpm_proxy.h | 15 ++++++++++- >> 2 files changed, 62 insertions(+), 6 deletions(-) >> >> -- >> 2.4.3 >> > /Jarkko > -- > To unsubscribe from this list: send the line "unsubscribe linux-security-module" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html >