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| author | Stefan Berger <stefanb@linux.ibm.com> | 2018-10-30 17:33:53 -0400 |
|---|---|---|
| committer | Stefan Berger <stefanb@linux.ibm.com> | 2018-10-30 17:33:53 -0400 |
| commit | 7931cf31265e1f1a1011fde897c8609fe133c734 (patch) | |
| tree | 7f0d8e64d24a468df4e6cbc9c0402c72d212175f /docs | |
| parent | e2f246a50b6d15a3b87a5371a868d21cffe48ba0 (diff) | |
docs: tpm: Mention implemented TPM CRB interface emulation and specs
Add a few sentences about the implemented emulation of the TPM CRB
interface and its specification.
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/specs/tpm.txt | 15 |
1 files changed, 15 insertions, 0 deletions
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 |