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Re: [tpmdd-devel] [PATCH v5 3/3] tpm: add securityfs support for TPM 2.0 firmware event log

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On 11/24/2016 04:10 PM, Jarkko Sakkinen wrote:
> On Wed, Nov 23, 2016 at 12:27:37PM -0500, Nayna Jain wrote:
>> Unlike the device driver support for TPM 1.2, the TPM 2.0 does
>> not support the securityfs pseudo files for displaying the
>> firmware event log.
>>
>> This patch enables support for providing the TPM 2.0 event log in
>> binary form. TPM 2.0 event log supports a crypto agile format that
>> records multiple digests, which is different from TPM 1.2. This
>> patch enables the tpm_bios_log_setup for TPM 2.0  and adds the
>> event log parser which understand the TPM 2.0 crypto agile format.
>>
>> Signed-off-by: Nayna Jain <nayna@linux.vnet.ibm.com>
> I don't want to say much about this before I've tested it. I wonder
> what cheap hardware I could use to test this. Any advice is on this
> from anyone is much appreciated.

Virtual hardware would be cheap :-)

I tested this series with QEMU + vTPM + SeaBIOS with TPM 1.2 + TPM 2 
support (basing the log on ACPI). I had to fix an endianess issue on the 
SeaBIOS side, which made it work. So for this version of the patches I 
can give it my tested-by:

Tested-by: Stefan Berger <stefanb@linux.vnet.ibm.com>


>
> /Jarkko
>
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[PATCH v5 3/3] tpm: add securityfs support for TPM 2.0 firmware event log Nayna Jain <nayna@linux.vnet.ibm.com> - 2016-11-23 18:30 +0100
  Re: [PATCH v5 3/3] tpm: add securityfs support for TPM 2.0 firmware  event log Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2016-11-24 22:20 +0100
    Re: [tpmdd-devel] [PATCH v5 3/3] tpm: add securityfs support for TPM  2.0 firmware event log Stefan Berger <stefanb@linux.vnet.ibm.com> - 2016-11-25 04:00 +0100
      Re: [tpmdd-devel] [PATCH v5 3/3] tpm: add securityfs support for TPM  2.0 firmware event log Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2016-11-25 09:20 +0100
      Re: [tpmdd-devel] [PATCH v5 3/3] tpm: add securityfs support for TPM  2.0 firmware event log Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2016-11-26 16:30 +0100
    Re: [PATCH v5 3/3] tpm: add securityfs support for TPM 2.0 firmware  event log Jason Gunthorpe <jgunthorpe@obsidianresearch.com> - 2016-11-25 20:50 +0100
      Re: [PATCH v5 3/3] tpm: add securityfs support for TPM 2.0 firmware  event log Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> - 2016-11-26 14:00 +0100

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