From patchwork Thu May 4 14:56:26 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Berger X-Patchwork-Id: 9712099 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 9EEAC60362 for ; Thu, 4 May 2017 14:56:49 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 91365285FD for ; Thu, 4 May 2017 14:56:49 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 856DD2869F; Thu, 4 May 2017 14:56:49 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.sourceforge.net (lists.sourceforge.net [216.34.181.88]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 2B11428689 for ; Thu, 4 May 2017 14:56:49 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=sfs-ml-4.v29.ch3.sourceforge.com) by sfs-ml-4.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1d6IBU-00083Z-9m; Thu, 04 May 2017 14:56:48 +0000 Received: from sog-mx-2.v43.ch3.sourceforge.com ([172.29.43.192] helo=mx.sourceforge.net) by sfs-ml-4.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1d6IBT-00083O-Dx for tpmdd-devel@lists.sourceforge.net; Thu, 04 May 2017 14:56:47 +0000 X-ACL-Warn: Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]) by sog-mx-2.v43.ch3.sourceforge.com with esmtps (TLSv1:AES256-SHA:256) (Exim 4.76) id 1d6IBP-0000Ms-BP for tpmdd-devel@lists.sourceforge.net; Thu, 04 May 2017 14:56:47 +0000 Received: from pps.filterd (m0098396.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.20/8.16.0.20) with SMTP id v44EuLjh139052 for ; Thu, 4 May 2017 10:56:37 -0400 Received: from e12.ny.us.ibm.com (e12.ny.us.ibm.com [129.33.205.202]) by mx0a-001b2d01.pphosted.com with ESMTP id 2a86ge00fx-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Thu, 04 May 2017 10:56:37 -0400 Received: from localhost by e12.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; Thu, 4 May 2017 10:56:32 -0400 Received: from b01ledav002.gho.pok.ibm.com (b01ledav002.gho.pok.ibm.com [9.57.199.107]) by b01cxnp23034.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id v44EuWmI41353288; Thu, 4 May 2017 14:56:32 GMT Received: from b01ledav002.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id EFF4712403D; Thu, 4 May 2017 10:56:26 -0400 (EDT) Received: from sbct-3.watson.ibm.com (unknown [9.2.141.158]) by b01ledav002.gho.pok.ibm.com (Postfix) with ESMTP id C6501124055; Thu, 4 May 2017 10:56:26 -0400 (EDT) From: Stefan Berger To: tpmdd-devel@lists.sourceforge.net, linux-security-module@vger.kernel.org, jarkko.sakkinen@linux.intel.com Date: Thu, 4 May 2017 10:56:26 -0400 X-Mailer: git-send-email 2.5.5 In-Reply-To: <1493909787-1848-1-git-send-email-stefanb@linux.vnet.ibm.com> References: <1493909787-1848-1-git-send-email-stefanb@linux.vnet.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 17050414-0048-0000-0000-00000176E7AC X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00007021; HX=3.00000240; KW=3.00000007; PH=3.00000004; SC=3.00000209; SDB=6.00856174; UDB=6.00423812; IPR=6.00635337; BA=6.00005326; NDR=6.00000001; ZLA=6.00000005; ZF=6.00000009; ZB=6.00000000; ZP=6.00000000; ZH=6.00000000; ZU=6.00000002; MB=3.00015303; XFM=3.00000014; UTC=2017-05-04 14:56:34 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 17050414-0049-0000-0000-000040FE130D Message-Id: <1493909787-1848-3-git-send-email-stefanb@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2017-05-04_09:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=0 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1703280000 definitions=main-1705040237 X-Headers-End: 1d6IBP-0000Ms-BP Cc: linux-kernel@vger.kernel.org Subject: [tpmdd-devel] [PATCH v3 2/3] tpm: vtpm_proxy: Implement request_locality function. X-BeenThere: tpmdd-devel@lists.sourceforge.net X-Mailman-Version: 2.1.9 Precedence: list List-Id: Tpm Device Driver maintainance List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: tpmdd-devel-bounces@lists.sourceforge.net X-Virus-Scanned: ClamAV using ClamSMTP Implement the request_locality function. Accept all localities assuming that the recipient (TPM emulator) handling TPM commands with prepended locality modifier will check for a valid locality and return a TPM error in case the locality is invalid. Signed-off-by: Stefan Berger --- drivers/char/tpm/tpm_vtpm_proxy.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/char/tpm/tpm_vtpm_proxy.c b/drivers/char/tpm/tpm_vtpm_proxy.c index fb4d207..48b9818 100644 --- a/drivers/char/tpm/tpm_vtpm_proxy.c +++ b/drivers/char/tpm/tpm_vtpm_proxy.c @@ -371,6 +371,11 @@ static bool vtpm_proxy_tpm_req_canceled(struct tpm_chip *chip, u8 status) return ret; } +static int vtpm_proxy_request_locality(struct tpm_chip *chip, int locality) +{ + return locality; +} + static const struct tpm_class_ops vtpm_proxy_tpm_ops = { .flags = TPM_OPS_AUTO_STARTUP, .recv = vtpm_proxy_tpm_op_recv, @@ -380,6 +385,7 @@ static const struct tpm_class_ops vtpm_proxy_tpm_ops = { .req_complete_mask = VTPM_PROXY_REQ_COMPLETE_FLAG, .req_complete_val = VTPM_PROXY_REQ_COMPLETE_FLAG, .req_canceled = vtpm_proxy_tpm_req_canceled, + .request_locality = vtpm_proxy_request_locality, }; /*