Re: [Qemu-devel] [PATCH 0/5] tpm: Extend the TPM TIS implementation

[Michael S. Tsirkin]

On Tue, Dec 09, 2014 at 09:18:54AM -0500, Stefan Berger wrote:
> The following series of patches extends the TPM TIS implementation to
> version 1.3. This will lead to a TIS version that supports TPM 2.
> For this I would post relatively small patches afterwards.
> 
> Regards,
>    Stefan


Since this is guest visible, should this be limited
to new machine types, to avoid breaking migrating
guests across hypervisor versions?

> 
> Stefan Berger (5):
>   tpm: Extend sts register to 32 bit
>   tpm: Allow 32 & 16 bit accesses to the registers
>   tpm: Support for XFIFO register
>   tpm: Support for TIS selftest done flag
>   tpm: Support for capability flags of TIS 1.3
> 
>  hw/tpm/tpm_int.h             |   1 +
>  hw/tpm/tpm_passthrough.c     |  37 ++++++++++--
>  hw/tpm/tpm_tis.c             | 131 
> ++++++++++++++++++++++++++++++++++---------
>  hw/tpm/tpm_tis.h             |   2 +-
>  include/sysemu/tpm_backend.h |   2 +-
>  5 files changed, 139 insertions(+), 34 deletions(-)
> 
> -- 
> 1.9.3