On Thu, Sep 15, 2022 at 4:41 PM Jennifer Herbert <jennifer.herb...@citrix.com> wrote: > > This patch makes the TPM version, for which the ACPI libary probes, > configurable. > If acpi_config.tpm_verison is set to 1, it indicates that 1.2 (TCPA) should > be probed. > I have also added to hvmloader an option to allow setting this new config, > which can > be triggered by setting the platform/tpm_verion xenstore key. > > Signed-off-by: Jennifer Herbert <jennifer.herb...@citrix.com> > --- > docs/misc/xenstore-paths.pandoc | 8 ++++ > tools/firmware/hvmloader/util.c | 13 ++++++- > tools/libacpi/build.c | 68 ++++++++++++++++++--------------- > tools/libacpi/libacpi.h | 4 +- > 4 files changed, 59 insertions(+), 34 deletions(-) > > diff --git a/docs/misc/xenstore-paths.pandoc b/docs/misc/xenstore-paths.pandoc > index 5cd5c8a3b9..7270b46721 100644 > --- a/docs/misc/xenstore-paths.pandoc > +++ b/docs/misc/xenstore-paths.pandoc > @@ -269,6 +269,14 @@ at the guest physical address in > HVM_PARAM_VM_GENERATION_ID_ADDR. > See Microsoft's "Virtual Machine Generation ID" specification for the > circumstances where the generation ID needs to be changed. > > + > +#### ~/platform/tpm_version = INTEGER [HVM,INTERNAL] > + > +The TPM version to be probed for. > + > +A value of 1 indicates to probe for TPM 1.2. If unset, or an > +invalid version, then no TPM is probed. > +
Hi, In patch 2, I think you want to expand this section for TPM 2.0 support. Regards, Jason
