[U-Boot] [PATCH 00/18] Introduce SPI TPM v2.0 support

[Tom Rini]

On Fri, Mar 09, 2018 at 08:53:40AM +0100, Miquel Raynal wrote:
> Hi Tom,
> 
> On Thu, 8 Mar 2018 12:20:30 -0500, Tom Rini <trini at konsulko.com> wrote:
> 
> > On Thu, Mar 08, 2018 at 04:40:03PM +0100, Miquel Raynal wrote:
> > 
> > > Current U-Boot supports TPM v1.2 specification. The new specification
> > > (v2.0) is not backward compatible and renames/introduces several
> > > functions.
> > > 
> > > This series introduces a new SPI driver following the TPM v2.0
> > > specification. It has been tested on a ST TPM but should be usable with
> > > others v2.0 compliant chips.
> > > 
> > > Then, basic functionalities are introduced one by one for the v2.0
> > > specification. The INIT command now can receive a parameter to
> > > distinguish further TPMv1/TPMv2 commands. After that, the library itself
> > > will know which one is pertinent and will return a special error if the
> > > desired command is not supported for the selected specification.  
> > 
> > Thanks for doing all of this.  Can you please enable this feature on
> > sandbox and/or an x86 QEMU variant where I assume we could also then
> > setup automated testing?
> > 
> 
> Not sure I understand your request correctly: the TPM commands are
> already available in the sandbox (I don't see what I could add), I just
> extended the current set of commands.
> 
> However, even with these commands, we won't be able to test them in a
> sandbox unless with an actual device.
> 
> I probably miss something, can you explain a bit more what you would
> like?

Can we add a valid TPM via QEMU and then test it that way?  If so, we
should enable the TPM code on qemu-x86_64 (and, well, if we can pass it
on other arches, other QEMU targets) and write some test/py/tests/ code
that exercises the TPM commands.  Does that make sense?

-- 
Tom
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