From patchwork Tue Oct 30 21:47:38 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Stefan Berger X-Patchwork-Id: 10661741 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 7C2641751 for ; Tue, 30 Oct 2018 22:31:45 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6D25E2ABDA for ; Tue, 30 Oct 2018 22:31:45 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6B2CE2ABD6; Tue, 30 Oct 2018 22:31:45 +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=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 00D762AB9B for ; Tue, 30 Oct 2018 22:31:44 +0000 (UTC) Received: from localhost ([::1]:55874 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gHcY3-000350-J6 for patchwork-qemu-devel@patchwork.kernel.org; Tue, 30 Oct 2018 18:31:43 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40117) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gHcXQ-0002lp-Uf for qemu-devel@nongnu.org; Tue, 30 Oct 2018 18:31:05 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gHcXL-0002KL-3a for qemu-devel@nongnu.org; Tue, 30 Oct 2018 18:31:04 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:33958) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gHbsO-0006NW-Sn for qemu-devel@nongnu.org; Tue, 30 Oct 2018 17:48:41 -0400 Received: from pps.filterd (m0098404.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id w9ULi0FJ033548 for ; Tue, 30 Oct 2018 17:48:36 -0400 Received: from e34.co.us.ibm.com (e34.co.us.ibm.com [32.97.110.152]) by mx0a-001b2d01.pphosted.com with ESMTP id 2nexue1mmy-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Tue, 30 Oct 2018 17:48:35 -0400 Received: from localhost by e34.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Tue, 30 Oct 2018 21:48:32 -0000 Received: from b03ledav001.gho.boulder.ibm.com (b03ledav001.gho.boulder.ibm.com [9.17.130.232]) by b03cxnp08025.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id w9ULmVpB17825840 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 30 Oct 2018 21:48:31 GMT Received: from b03ledav001.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 19DDD6E054; Tue, 30 Oct 2018 21:48:31 +0000 (GMT) Received: from b03ledav001.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id B45306E04E; Tue, 30 Oct 2018 21:48:30 +0000 (GMT) Received: from sbct-3.pok.ibm.com (unknown [9.47.158.153]) by b03ledav001.gho.boulder.ibm.com (Postfix) with ESMTP; Tue, 30 Oct 2018 21:48:30 +0000 (GMT) From: Stefan Berger To: qemu-devel@nongnu.org Date: Tue, 30 Oct 2018 17:47:38 -0400 X-Mailer: git-send-email 2.17.1 In-Reply-To: <20181030214740.2294043-1-stefanb@linux.vnet.ibm.com> References: <20181030214740.2294043-1-stefanb@linux.vnet.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 x-cbid: 18103021-0016-0000-0000-0000094C0CEB X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00009956; HX=3.00000242; KW=3.00000007; PH=3.00000004; SC=3.00000268; SDB=6.01110314; UDB=6.00575304; IPR=6.00890407; MB=3.00023971; MTD=3.00000008; XFM=3.00000015; UTC=2018-10-30 21:48:33 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18103021-0017-0000-0000-000040E53976 Message-Id: <20181030214740.2294043-4-stefanb@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2018-10-30_13:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1807170000 definitions=main-1810300181 X-MIME-Autoconverted: from 8bit to quoted-printable by mx0a-001b2d01.pphosted.com id w9ULi0FJ033548 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] [fuzzy] X-Received-From: 148.163.156.1 Subject: [Qemu-devel] [PULL v2 3/5] docs: tpm: Mention implemented TPM CRB interface emulation and specs X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org, Stefan Berger Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: Stefan Berger Add a few sentences about the implemented emulation of the TPM CRB interface and its specification. Signed-off-by: Stefan Berger Reviewed-by: Marc-André Lureau --- docs/specs/tpm.txt | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/docs/specs/tpm.txt b/docs/specs/tpm.txt index 0e9bbebe1d..1af82bba86 100644 --- a/docs/specs/tpm.txt +++ b/docs/specs/tpm.txt @@ -20,6 +20,21 @@ QEMU files related to TPM TIS interface: - hw/tpm/tpm_tis.h +QEMU also implements a TPM CRB interface following the Trusted Computing +Group's specification "TCG PC Client Platform TPM Profile (PTP) +Specification", Family "2.0", Level 00 Revision 01.03 v22, May 22, 2017. +This specification, or a later version of it, can be accessed from the +following URL: + +https://trustedcomputinggroup.org/resource/pc-client-platform-tpm-profile-ptp-specification/ + +The CRB interface makes a memory mapped IO region in the area 0xfed40000 - +0xfed40fff (1 locality) available to the guest operating system. + +QEMU files related to TPM CRB interface: + - hw/tpm/tpm_crb.c + + = ACPI Interface = The TPM device is defined with ACPI ID "PNP0C31". QEMU builds a SSDT and passes