Re: [PATCH RESEND v4 1/1] tpm: add sysfs exports for all banks of PCR registers

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On Sun, Nov 29, 2020 at 02:30:22PM -0800, James Bottomley wrote:
> Create sysfs per hash groups with 24 PCR files in them one group,
> named pcr-<hash>, for each agile hash of the TPM.  The files are
> plugged in to a PCR read function which is TPM version agnostic, so
> this works also for TPM 1.2 but the hash is only sha1 in that case.
> 
> Note: the macros used to create the hashes emit spurious checkpatch
> warnings.  Do not try to "fix" them as checkpatch recommends, otherwise
> they'll break.
> 
> Signed-off-by: James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>
> Reviewed-by: Jerry Snitselaar <jsnitsel@xxxxxxxxxx>
> Tested-by: Thiago Jung Bauermann <bauerman@xxxxxxxxxxxxx>
> 
> ---
> 
> v2: fix TPM 1.2 legacy links failure
> v3: fix warn on and add note to tpm_algorithms
> v4: reword commit and add tested-by
> ---
>  drivers/char/tpm/tpm-sysfs.c | 178 +++++++++++++++++++++++++++++++++++
>  include/linux/tpm.h          |   9 +-
>  2 files changed, 186 insertions(+), 1 deletion(-)

No Documentation/ABI/ entry for new sysfs files?

:(




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