On 5/27/24 14:13, Jens Wiklander wrote:
> Adds support in the OP-TEE drivers (both SMC and FF-A ABIs) to probe and
> use an RPMB device via the RPMB subsystem instead of passing the RPMB
> frames via tee-supplicant in user space. A fallback mechanism is kept to
> route RPMB frames via tee-supplicant if the RPMB subsystem isn't
> available.
>
> The OP-TEE RPC ABI is extended to support iterating over all RPMB
> devices until one is found with the expected RPMB key already
> programmed.
>
> Signed-off-by: Jens Wiklander <jens.wiklander@xxxxxxxxxx>
> Tested-by: Manuel Traut <manut@xxxxxxxxx>
> ---
> Documentation/ABI/testing/sysfs-class-tee | 15 ++
> MAINTAINERS | 1 +
> drivers/tee/optee/core.c | 96 +++++++++++-
> drivers/tee/optee/device.c | 7 +
> drivers/tee/optee/ffa_abi.c | 14 ++
> drivers/tee/optee/optee_ffa.h | 2 +
> drivers/tee/optee/optee_private.h | 26 +++-
> drivers/tee/optee/optee_rpc_cmd.h | 35 +++++
> drivers/tee/optee/optee_smc.h | 2 +
> drivers/tee/optee/rpc.c | 177 ++++++++++++++++++++++
> drivers/tee/optee/smc_abi.c | 14 ++
> 11 files changed, 387 insertions(+), 2 deletions(-)
> create mode 100644 Documentation/ABI/testing/sysfs-class-tee
>
> diff --git a/Documentation/ABI/testing/sysfs-class-tee b/Documentation/ABI/testing/sysfs-class-tee
> new file mode 100644
> index 000000000000..c9144d16003e
> --- /dev/null
> +++ b/Documentation/ABI/testing/sysfs-class-tee
> @@ -0,0 +1,15 @@
> +What: /sys/class/tee/tee{,priv}X/rpmb_routing_model
Wouldn't /sys/class/tee/teeX/rpmb_routing_model be good enough?
Thanks,
--
Jerome
