Re: [Qemu-devel] [PATCH v3 0/3] TPM NVRAM persistent storage

[Stefan Hajnoczi <stefanha@redhat.com>]

On Thu, Jun 06, 2013 at 09:32:42AM -0400, Corey Bryant wrote:
> This patch series provides persistent storage support that a TPM
> can use to store NVRAM data.  It uses QEMU's block driver to store
> data on a drive image.  The libtpms TPM 1.2 backend will be the
> initial user of this functionality to store data that must persist
> through a reboot or migration.  A sample command line may look like
> this:
> 
> qemu-system-x86_64 ...
> -drive file=/path/to/nvram.qcow2,id=drive-nvram0-0-0
> -tpmdev libtpms,id=tpm-tpm0
> -device tpm-tis,tpmdev=tpm-tpm0,id=tpm0,drive=drive-nvram0-0-0
> 
> Thanks,
> Corey
> 
> Corey Bryant (3):
>   nvram: Add TPM NVRAM implementation
>   nvram: Add tpm-tis drive support
>   TPM NVRAM test
> 
>  hw/tpm/Makefile.objs     |    1 +
>  hw/tpm/tpm_int.h         |    2 +
>  hw/tpm/tpm_nvram.c       |  324 ++++++++++++++++++++++++++++++++++++++++++++++
>  hw/tpm/tpm_nvram.h       |   25 ++++
>  hw/tpm/tpm_passthrough.c |   85 ++++++++++++
>  hw/tpm/tpm_tis.c         |    8 +
>  6 files changed, 445 insertions(+), 0 deletions(-)
>  create mode 100644 hw/tpm/tpm_nvram.c
>  create mode 100644 hw/tpm/tpm_nvram.h
> 

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>