Re: [PATCH 1/4] tpm_crb: implement driver compliant to CRB over FF-A

Stuart Yoder
2025-02-11T23:21:44Z

On 2/11/25 3:08 PM, Jarkko Sakkinen wrote:
> On Mon, Feb 10, 2025 at 05:22:24PM -0600, Stuart Yoder wrote:
>> The Arm specification TPM Service CRB over FF-A specification
>> defines the FF-A messages to interact with a CRB-based TPM
>> implemented as an FF-A secure partition.
>>
>> Spec URL:
>> https://developer.arm.com/documentation/den0138/latest/
>>
>> This driver is probed when a TPM Secure Partition is
>> discovered by the FF-A subsystem. It exposes APIs
>> used by the TPM CRB driver to send notifications to
>> the TPM.
>>
>> Signed-off-by: Stuart Yoder <stuart.yoder@arm.com>
>> ---
>> drivers/char/tpm/Kconfig | 9 ++
>> drivers/char/tpm/Makefile | 1 +
>> drivers/char/tpm/ffa_crb.c | 310 +++++++++++++++++++++++++++++++++++++
>> drivers/char/tpm/ffa_crb.h | 30 ++++
>
> Let's use tpm_ prefix for these.

Ok, will do.

Thanks,
Stuart