[SLOF] [PATCH v2 00/20] Add vTPM support to SLOF

Alexey Kardashevskiy aik at ozlabs.ru
Thu Nov 19 16:01:26 AEDT 2015

On 11/18/2015 04:02 AM, Stefan Berger wrote:
> The following series of patches adds TPM support to SLOF.
> In particular it adds the following:
> - TPM drivers for hardware interface and CRQ interface
> - TPM initialization
> - TPM logging area and firmware API to transfer it to the OS
>    (measurements are visible in sysfs)
> - Some measurement code (Static Core Root Of Trust)
> - TPM menu (accessible via 't' key during boot if TPM is available)
> - Firmware API extensions following Power Firmware Doc
>    (to make trusted grub work)
> Having a vTPM attached to a VM provides the following benefits:
> - enablement of trusted boot; this allow us to eventually extend the chain
>    of trust from the hypervisor to the guests
> - enablement of attestation so that one can verify what software is
>    running on a machine
> - provides TPM functionality to VMs, which includes a standardized
>    mechanism to store keys and other blobs
>    (Linux trusted keys, GNU TLS's TPM extensions)
> Necessarily, some of its parts are written in Forth, many are written
> in 'C'. The extensions are known to work with QEMU for ppc64 running Linux.

Please give a working example of the QEMU command line to test the 
patchset. Thanks.


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