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[Qemu-devel] [PATCH 1/2] docs: tpm: Mention implemented TPM CRB interfac
From: |
Stefan Berger |
Subject: |
[Qemu-devel] [PATCH 1/2] docs: tpm: Mention implemented TPM CRB interface emulation and specs |
Date: |
Thu, 18 Oct 2018 14:21:29 -0400 |
Add a few sentences about the implemented emulation of the TPM CRB
interface and its specification.
Signed-off-by: Stefan Berger <address@hidden>
---
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
- [Qemu-devel] [PATCH 1/2] docs: tpm: Mention implemented TPM CRB interface emulation and specs,
Stefan Berger <=