Re: [Qemu-devel] [PATCH v2 0/5] tpm: Match frontend and backend buffer sizes (not 2.11)

[Marc-André Lureau]

Hi

----- Original Message -----
> This patch series does away with the hard coded buffer size in the TIS
> frontend and instead retrieves the buffer size from the device that's
> being used. So it gets it from the host device or the external emulator.
> In case the frontend (CRB) cannot support the backend's current buffer size
> (typically 4k) it can adjust the buffer size the emulator is working with
> so that we will not run into the problem that the backend produces packets
> that the frontend cannot deliver to due mismatching buffer sizes.
> 
>    Stefan
> 
> v1->v2:
>   - followed Marc-André's suggestions
> 
> 
> Stefan Berger (5):
>   tpm: Move getting TPM buffer size to backends
>   tpm: pull tpm_util_request() out of tpm_util_test()
>   tpm: tpm_passthrough: Read the buffer size from the host device
>   tpm: tpm_emulator: get and set buffer size of device
>   tpm: tpm_passthrough: Fail startup if FE buffer size < BE buffer size

series,
Reviewed-by: Marc-André Lureau <address@hidden>


> 
>  backends/tpm.c               |  11 ++-
>  hw/tpm/tpm_emulator.c        |  83 ++++++++++++++++++++++-
>  hw/tpm/tpm_int.h             |   9 +++
>  hw/tpm/tpm_ioctl.h           |  28 +++++++-
>  hw/tpm/tpm_passthrough.c     |  30 +++++++++
>  hw/tpm/tpm_tis.c             |  18 ++---
>  hw/tpm/tpm_util.c            | 155
>  ++++++++++++++++++++++++++++++++++++++++---
>  hw/tpm/tpm_util.h            |   3 +
>  include/sysemu/tpm_backend.h |  18 ++++-
>  9 files changed, 330 insertions(+), 25 deletions(-)
> 
> --
> 2.5.5
> 
>