[PATCH 0/9] tpm: Enhance sandbox tpm2 emulation

Simon Glass sjg at chromium.org
Thu Jul 15 00:16:35 CEST 2021


Hi Ilias,

On Wed, 14 Jul 2021 at 15:08, Ilias Apalodimas
<ilias.apalodimas at linaro.org> wrote:
>
> Hi Simon,
>
> Unfortunately i had no time to look into this.  I'll have a look tomorrow

OK thanks.

- Simon

>
> Cheers
> /Ilias
>
> On Wed, 14 Jul 2021 at 22:51, Simon Glass <sjg at chromium.org> wrote:
> >
> > Hi Ilias,
> >
> > On Mon, 5 Jul 2021 at 09:48, Simon Glass <sjg at chromium.org> wrote:
> > >
> > > At present the TPM2 emulator lacks the ability to load and save the
> > > state. This means it cannot be used for verify-boot flow that includes
> > > multiple phases (e.g. VPL and SPL). It also lacks support for
> > > non-volatile data storage.
> > >
> > > This series adds these features to the TPM2 emulator, with some code
> > > from TPM1 moving into a common file.
> > >
> > > A few other clean-ups are included to make the two emulators more similar.
> > >
> > >
> > > Simon Glass (9):
> > >   sandbox: tpm: Split out common nvdata code
> > >   sandbox: tpm: Tidy up reading and writing of device state
> > >   sandbox: tpm: Support the define-space command
> > >   sandbox: tpm: Correct handling of get-capability
> > >   sandbox: tpm: Finish comments for struct sandbox_tpm2
> > >   sandbox: tpm: Track whether the state is valid
> > >   sandbox: tpm: Support nvdata in TPM2
> > >   sandbox: tpm: Support storing device state in tpm2
> > >   sandbox: tpm: Support extending a PCR multiple times
> > >
> > >  drivers/tpm/Makefile           |   4 +-
> > >  drivers/tpm/sandbox_common.c   |  77 ++++++++++
> > >  drivers/tpm/sandbox_common.h   | 108 ++++++++++++++
> > >  drivers/tpm/tpm2_tis_sandbox.c | 256 +++++++++++++++++++++++++++++++--
> > >  drivers/tpm/tpm_tis_sandbox.c  | 171 ++++++----------------
> > >  include/tpm-v2.h               |   2 +
> > >  6 files changed, 479 insertions(+), 139 deletions(-)
> > >  create mode 100644 drivers/tpm/sandbox_common.c
> > >  create mode 100644 drivers/tpm/sandbox_common.h
> > >
> > > --
> > > 2.32.0.93.g670b81a890-goog
> > >
> >
> > Not sure if you have any comments on this one?
> >
> > Regards,
> > Simon


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