On Thu, Oct 18, 2018 at 10:21 PM Stefan Berger <stef...@linux.vnet.ibm.com> wrote: > > Add a few sentences about the implemented emulation of the TPM CRB > interface and its specification. > > Signed-off-by: Stefan Berger <stef...@linux.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lur...@redhat.com> > --- > 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 > -- Marc-André Lureau
