From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:35071) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gDCvY-0006gV-J6 for qemu-devel@nongnu.org; Thu, 18 Oct 2018 14:21:45 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gDCvV-0005yK-9S for qemu-devel@nongnu.org; Thu, 18 Oct 2018 14:21:44 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:36316) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gDCvU-0005tK-Vn for qemu-devel@nongnu.org; Thu, 18 Oct 2018 14:21:41 -0400 Received: from pps.filterd (m0098394.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id w9IIFE71128067 for ; Thu, 18 Oct 2018 14:21:39 -0400 Received: from e36.co.us.ibm.com (e36.co.us.ibm.com [32.97.110.154]) by mx0a-001b2d01.pphosted.com with ESMTP id 2n6wu243p0-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Thu, 18 Oct 2018 14:21:39 -0400 Received: from localhost by e36.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Thu, 18 Oct 2018 12:21:38 -0600 From: Stefan Berger Date: Thu, 18 Oct 2018 14:21:29 -0400 Message-Id: <20181018182130.799406-1-stefanb@linux.vnet.ibm.com> Subject: [Qemu-devel] [PATCH 1/2] docs: tpm: Mention implemented TPM CRB interface emulation and specs List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org, marcandre.lureau@gmail.com Cc: Stefan Berger , Stefan Berger Add a few sentences about the implemented emulation of the TPM CRB interface and its specification. Signed-off-by: Stefan Berger --- 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 -- 2.17.1