On Wed, May 03, 2017 at 07:42:06PM -0400, Stefan Berger wrote:
> On 05/03/2017 06:38 PM, Jarkko Sakkinen wrote:
> > On Fri, Apr 28, 2017 at 09:02:15AM -0400, Stefan Berger wrote:
> > > The purpose of this series of patches is to enable the passing of the 
> > > locality
> > > a command is executing in to a TPM emulator. To enable this we introduce 
> > > a new
> > > flag for the device creation ioctl that requests that the locality be 
> > > prepended
> > > to every command. For applications to check which flags the driver 
> > > supports, we
> > > add a new ioctl that returns a bitmask of supported flags.
> > This is a weird change proposal as you could use tpm_vtpm_proxy for
> > other than some TPM emulator.
> 
> I think in most cases the recipient of the TPM commands from the vtpm_proxy
> driver will be a TPM emulator. What do you have in mind?

Like using Intel SGX to implement TPM in ring-3. I've thought
vtpm_tpm_proxy as generic proxy that you can also use for emulators.

/Jarkko

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