Re: [Qemu-devel] [PATCH v3 0/6] Extend TPM support with a QEMU-external TPM

[Michael S. Tsirkin]

On Tue, May 26, 2015 at 05:33:38PM -0400, Stefan Berger wrote:
> The following series of patches extends TPM support with an
> external TPM that offers a Linux CUSE (character device in userspace)
> interface. This TPM lets each VM access its own private vTPM.
> The CUSE TPM supports suspend/resume and migration. Much
> out-of-band functionality necessary to control the CUSE TPM is
> implemented using ioctl's.
> 
> The series extends the TPM support so far that most functionality of
> TPM support on a physical platform is now available to each x86 VM,
> this includes the Physical Presence Interface support that has
> its counter-part in the SeaBIOS and is implemented using ACPI.

So I'm waiting for v4 of this with Eric's comments addressed?

> Stefan Berger (6):
>   Provide support for the CUSE TPM
>   Introduce RAM location in vendor specific area in TIS
>   Support Physical Presence Interface Spec
>   Introduce condition to notifiy waiters of completed command
>   Introduce condition in TPM backend for notification
>   Add support for VM suspend/resume for TPM TIS
> 
>  hmp.c                           |   6 +
>  hw/i386/ssdt-tpm-common.dsl     | 182 ++++++++++++++
>  hw/i386/ssdt-tpm.dsl            |   1 +
>  hw/i386/ssdt-tpm.hex.generated  | 540 
> +++++++++++++++++++++++++++++++++++++++-
>  hw/i386/ssdt-tpm2.dsl           |   1 +
>  hw/i386/ssdt-tpm2.hex.generated | 516 +++++++++++++++++++++++++++++++++++++-
>  hw/tpm/tpm_int.h                |   4 +
>  hw/tpm/tpm_ioctl.h              | 178 +++++++++++++
>  hw/tpm/tpm_passthrough.c        | 423 ++++++++++++++++++++++++++++++-
>  hw/tpm/tpm_tis.c                | 180 +++++++++++++-
>  hw/tpm/tpm_tis.h                |   4 +
>  hw/tpm/tpm_util.c               | 206 +++++++++++++++
>  hw/tpm/tpm_util.h               |   7 +
>  include/hw/acpi/tpm.h           |  19 ++
>  include/sysemu/tpm_backend.h    |  12 +
>  qapi-schema.json                |  17 +-
>  qemu-options.hx                 |  21 +-
>  qmp-commands.hx                 |   2 +-
>  tpm.c                           |  11 +-
>  19 files changed, 2298 insertions(+), 32 deletions(-)
>  create mode 100644 hw/tpm/tpm_ioctl.h
> 
> -- 
> 1.9.3
>