From mboxrd@z Thu Jan 1 00:00:00 1970 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! Violators will be prosecuted for from ; Tue, 30 Oct 2018 21:48:35 -0000 From: Stefan Berger Date: Tue, 30 Oct 2018 17:47:38 -0400 In-Reply-To: <20181030214740.2294043-1-stefanb@linux.vnet.ibm.com> References: <20181030214740.2294043-1-stefanb@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Message-Id: <20181030214740.2294043-4-stefanb@linux.vnet.ibm.com> Content-Transfer-Encoding: quoted-printable Subject: [Qemu-devel] [PULL v2 3/5] 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 Cc: peter.maydell@linaro.org, Stefan Berger 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-profil= e-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= passes --=20 2.17.1