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authorPeter Maydell <peter.maydell@linaro.org>2018-11-01 12:08:10 +0000
committerPeter Maydell <peter.maydell@linaro.org>2018-11-01 12:08:10 +0000
commit8002fa2bf6d3eddc0b73f8a0b64ac6b3ad1defab (patch)
tree3975471c7cb496ae46af70387afa814bf170318f /docs
parent7d51a855cd568ec3399a1834ada4023cfa12f231 (diff)
parenteff1fe9fd0cebe2293eea9597616f792b6b5ad18 (diff)
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Merge remote-tracking branch 'remotes/stefanberger/tags/pull-tpm-2018-10-29-2' into staging
Merge tpm 2018/10/29 v2 # gpg: Signature made Tue 30 Oct 2018 21:40:24 GMT # gpg: using RSA key 75AD65802A0B4211 # gpg: Good signature from "Stefan Berger <stefanb@linux.vnet.ibm.com>" # gpg: WARNING: This key is not certified with a trusted signature! # gpg: There is no indication that the signature belongs to the owner. # Primary key fingerprint: B818 B9CA DF90 89C2 D5CE C66B 75AD 6580 2A0B 4211 * remotes/stefanberger/tags/pull-tpm-2018-10-29-2: tpm: Zero-init structure to avoid uninitialized variables in valgrind log MAINTAINERS: Change my email address to the new domain docs: tpm: Mention implemented TPM CRB interface emulation and specs tests/tpm: Display if swtpm is not found or --tpm2 not supported tests/tpm: fix tpm_util_swtpm_has_tpm2() Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'docs')
-rw-r--r--docs/specs/tpm.txt15
1 files changed, 15 insertions, 0 deletions
diff --git a/docs/specs/tpm.txt b/docs/specs/tpm.txt
index 0e9bbeb..1af82bb 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