From nobody Thu Nov 6 12:14:09 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linux.ibm.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1540827330096841.6668797180912; Mon, 29 Oct 2018 08:35:30 -0700 (PDT) Received: from localhost ([::1]:46287 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gH9Zg-0004ow-CQ for importer@patchew.org; Mon, 29 Oct 2018 11:35:28 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:34006) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gH9Kv-0007rx-Pk for qemu-devel@nongnu.org; Mon, 29 Oct 2018 11:20:21 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gH9Kq-00032W-AD for qemu-devel@nongnu.org; Mon, 29 Oct 2018 11:20:13 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:54750 helo=mx0a-001b2d01.pphosted.com) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gH9Kq-00031P-1S for qemu-devel@nongnu.org; Mon, 29 Oct 2018 11:20:08 -0400 Received: from pps.filterd (m0098413.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id w9TFJKiG109714 for ; Mon, 29 Oct 2018 11:20:06 -0400 Received: from e14.ny.us.ibm.com (e14.ny.us.ibm.com [129.33.205.204]) by mx0b-001b2d01.pphosted.com with ESMTP id 2ne3yp2pwp-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Mon, 29 Oct 2018 11:20:05 -0400 Received: from localhost by e14.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 29 Oct 2018 11:20:05 -0400 Received: from b01cxnp22033.gho.pok.ibm.com (9.57.198.23) by e14.ny.us.ibm.com (146.89.104.201) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Mon, 29 Oct 2018 11:20:03 -0400 Received: from b01ledav002.gho.pok.ibm.com (b01ledav002.gho.pok.ibm.com [9.57.199.107]) by b01cxnp22033.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id w9TFK27o33292290 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 29 Oct 2018 15:20:02 GMT Received: from b01ledav002.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 435FC124058; Mon, 29 Oct 2018 15:20:02 +0000 (GMT) Received: from b01ledav002.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 2B79E124054; Mon, 29 Oct 2018 15:20:02 +0000 (GMT) Received: from sbct-3.pok.ibm.com (unknown [9.47.158.153]) by b01ledav002.gho.pok.ibm.com (Postfix) with ESMTP; Mon, 29 Oct 2018 15:20:02 +0000 (GMT) From: Stefan Berger To: qemu-devel@nongnu.org Date: Mon, 29 Oct 2018 11:19:54 -0400 X-Mailer: git-send-email 2.17.1 In-Reply-To: <20181029151956.2164336-1-stefanb@linux.ibm.com> References: <20181029151956.2164336-1-stefanb@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 x-cbid: 18102915-0052-0000-0000-0000034BA9ED X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00009948; HX=3.00000242; KW=3.00000007; PH=3.00000004; SC=3.00000268; SDB=6.01109705; UDB=6.00574939; IPR=6.00889797; MB=3.00023953; MTD=3.00000008; XFM=3.00000015; UTC=2018-10-29 15:20:04 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18102915-0053-0000-0000-00005E94537C Message-Id: <20181029151956.2164336-4-stefanb@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2018-10-29_11:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 lowpriorityscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1807170000 definitions=main-1810290142 Content-Transfer-Encoding: quoted-printable X-MIME-Autoconverted: from 8bit to quoted-printable by mx0b-001b2d01.pphosted.com id w9TFJKiG109714 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] [fuzzy] X-Received-From: 148.163.158.5 Subject: [Qemu-devel] [PULL v1 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 , Stefan Berger Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" 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-Andr=C3=A9 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 =20 =20 +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 + + =3D ACPI Interface =3D =20 The TPM device is defined with ACPI ID "PNP0C31". QEMU builds a SSDT and p= asses --=20 2.17.1