"Kevin O'Connor" <email@example.com>
wrote on 01/07/2016 03:14:37 PM:
> On Thu, Jan 07, 2016 at 01:57:42PM -0500, Stefan Berger wrote:
> > At some point I'll bring the TPM 2 patches back to life following
> > recent changes... Now my question is how to organize the code.
> > be one file where we essentially have the above type of code
> > TPM 1.2 & TPM 2 specific functions and TPM 1.2 and TPM 2
code in separate
> > files or the above type of functions at the end of the current
file and then
> > a section with TPM 1.2 code and another with TPM 2? It's a few
> > building on top of each other, so want to avoid churn...
> I was playing with a few additional patches on top of your last series
> - I pushed them to my testing branch if you want to take a look.
> I don't have input on what TPM2 organization should look like, mainly
> because I don't know what TPM2 entails. I gather the TIS commands
> changing, but what else changes? Does the ACPI log, BIOS interface,
> or tpm menu change? Do you have a pointer to the TPM2 spec (when
> last looked it seemed that TPM2 was still being worked on).
The TIS got more registers; some flags allow detection
of the TPM version.
All commands changed -- no backwards compatibility.
The header 'fields' are the same, their ordinal and tag values are not.