Re: [PATCH v2 0/3] TPM2.0: Added eventlog support for TPM2.0

[Nayna <nayna-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>]

Hi Jarkko,

My responses inline.

On 08/11/2016 06:28 PM, Jarkko Sakkinen wrote:
> On Thu, Aug 11, 2016 at 04:18:34PM +0530, Nayna wrote:
>
> [SNIP too much text out of context]
>
>> Jarrko, You also asked "
>>>> BTW, how this can be tested?"
>>
>> <nayna> So, it can be tested with system having TPM2.0 version of tpm/vtpm
>> and its firmware writing eventlog following TCG Spec for TPM2.0.
>>
>> Jarkko, Please let me know if it doesn't answer your question. </nayna>
>
> 1. EFI does not pass the log by any means AFAIK before a boot loader
>     calls ExitBootServices().

So, is current TCPA support only for TPM1.2 ?

#2, TCG Spec 
http://www.trustedcomputinggroup.org/wp-content/uploads/EFI-Protocol-Specification-rev13-160330final.pdf 
talks about
EFI_TCG2_PROTOCOL.GetEventLog (Section 6.5), what is that supposed to do ?

> 2. I do not have any system with TPM2 that uses DT. And as I stated
>     before you didn't have any reference where you derived the DT
>     node fields.

As per Device Tree, so this is the new node introduced in the device 
tree to support TPM. And the fields are defined maintaining the 
requirements from ePAPR specification.
>
>> Thanks & Regards,
>>     - Nayna
>
> /Jarkko
>


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