3 Commits

Author	SHA1	Message	Date
Stefano Garzarella	0637c10e72	tpm/tpm_ftpm_tee: support TPM_CHIP_FLAG_SYNC ... This driver does not support interrupts, and receiving the response is synchronous with sending the command. Enable synchronous send() with TPM_CHIP_FLAG_SYNC, which implies that ->send() already fills the provided buffer with a response, and ->recv() is not implemented. Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Reviewed-by: Sumit Garg <sumit.garg@oss.qualcomm.com> Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org> Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>	2025-07-23 02:23:18 +03:00
Stefano Garzarella	618bf0349e	tpm/tpm_ftpm_tee: fix struct ftpm_tee_private documentation ... The `state` member in `struct ftpm_tee_private` is in the documentation, but it has never been in the implementation since the commit 09e574831b ("tpm/tpm_ftpm_tee: A driver for firmware TPM running inside TEE") that introduced it. Remove it to have a match between documentation and implementation. Signed-off-by: Stefano Garzarella <sgarzare@redhat.com> Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org> Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>	2025-03-27 15:34:05 +02:00
Sasha Levin	09e574831b	tpm/tpm_ftpm_tee: A driver for firmware TPM running inside TEE ... Add a driver for a firmware TPM running inside TEE. Documentation of the firmware TPM: https://www.microsoft.com/en-us/research/publication/ftpm-software-implementation-tpm-chip/ . Implementation of the firmware TPM: https://github.com/Microsoft/ms-tpm-20-ref/tree/master/Samples/ARM32-FirmwareTPM Tested-by: Ilias Apalodimas <ilias.apalodimas@linaro.org> Tested-by: Thirupathaiah Annapureddy <thiruan@microsoft.com> Signed-off-by: Thirupathaiah Annapureddy <thiruan@microsoft.com> Co-authored-by: Sasha Levin <sashal@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org> Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>	2019-09-02 17:08:35 +03:00