[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Message-ID: <20190710121358.GA12965@apalos>
Date: Wed, 10 Jul 2019 15:13:58 +0300
From: Ilias Apalodimas <ilias.apalodimas@...aro.org>
To: Thirupathaiah Annapureddy <thiruan@...rosoft.com>
Cc: Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>,
Sasha Levin <sashal@...nel.org>,
"peterhuewe@....de" <peterhuewe@....de>,
"jgg@...pe.ca" <jgg@...pe.ca>, "corbet@....net" <corbet@....net>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
"linux-integrity@...r.kernel.org" <linux-integrity@...r.kernel.org>,
Microsoft Linux Kernel List <linux-kernel@...rosoft.com>,
"Bryan Kelly (CSI)" <bryankel@...rosoft.com>,
"tee-dev@...ts.linaro.org" <tee-dev@...ts.linaro.org>,
"sumit.garg@...aro.org" <sumit.garg@...aro.org>,
"rdunlap@...radead.org" <rdunlap@...radead.org>,
Joakim Bech <joakim.bech@...aro.org>
Subject: Re: [PATCH v7 1/2] fTPM: firmware TPM running in TEE
Hi Thirupathaiah
Apologies for tha lte reply, i somehow misplaced this mail.
[...]
> >
> > Please check the previous mail from Sumit. It explains exaclty what's going on.
> > The tl;dr version is that the storage is up only when the supplicant is
> > running.
>
> I definitely know that OP-TEE can access storage only when the "user mode" supplicant
> is running :). But fTPM NV storage should have been initialized in
> in the preboot environment (UEFI/U-boot).
>
> It would also be helpful to understand the overall use case/scenario (Measured boot?)you
> are trying to exercise with the fTPM.
In the future yesm measured boot/ For now it's more like like try running it in
QEMU to demonstrate firmware TPM makes sense and has use cases.
>
> I also want to emphasize that this discussion is turning into more of how
> fTPM gets integrated/enabled in a new HW platform.
> fTPM is hosted in github and you definitely bring any issues/feature requests there.
>
Ok
>
> >
> > > If you let me know the HW platform details, I am happy to work with you to
> > enable/integrate
> > > fTPM TA on that HW platform.
> > >
> > Thanks,
> > The hardware i am waiting for for has an eMMC RPMB. In theory the U-Boot
> > supplicant support will be there so i'll be able to test it.
> Can you give me the details of HW so that I can order one for myself?
It's QEMU for now. We plan on doing something similar in an ST disco board
though.
> Is it one of the 96boards?
stm32mp157c-dk2 is one of our targets.
> The reason for the ask is that we have not upstreamd u-boot fTPM stack yet,
> although we have future plans for it.
>
> --Thiru
>
Thanks
/Ilias
Powered by blists - more mailing lists