Re: [PATCH v2 0/2] OP-TEE FF-A notifications

From: Jens Wiklander
Date: Fri Nov 17 2023 - 09:42:58 EST


On Tue, Nov 7, 2023 at 5:07 PM Jens Wiklander <jens.wiklander@xxxxxxxxxx> wrote:
>
> Hi all,
>
> This patchset adds support for using FF-A notifications as a delivery
> mechanism of asynchronous notifications from OP-TEE running in the secure
> world. Support for asynchronous notifications via the SMC ABI was added in
> [1], here we add the counterpart needed when using the the FF-A ABI.
>
> Support for FF-A notifications is added with [2] and this patch set is based
> on Sudeeps tree at [3].
>
> [1] https://lore.kernel.org/lkml/20211103090255.998070-1-jens.wiklander@xxxxxxxxxx/
> [2] https://lore.kernel.org/linux-arm-kernel/20231005-ffa_v1-1_notif-v4-0-cddd3237809c@xxxxxxx/
> [3] https://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux.git/tag/?h=ffa-updates-6.7
> commit bcefd1bf63b1 ("firmware: arm_ffa: Upgrade the driver version to v1.1")
>
> v1->v2:
> * Applied Sumit's Reviewed-by
> * Addressed Sumit's comment on "optee: ffa_abi: add asynchronous
> notifications"
>
> Thanks,
> Jens
>
> Jens Wiklander (2):
> optee: provide optee_do_bottom_half() as a common function
> optee: ffa_abi: add asynchronous notifications
>
> drivers/tee/optee/call.c | 31 ++++++++++-
> drivers/tee/optee/ffa_abi.c | 93 ++++++++++++++++++++++++++++++-
> drivers/tee/optee/optee_ffa.h | 28 ++++++++--
> drivers/tee/optee/optee_private.h | 9 ++-
> drivers/tee/optee/smc_abi.c | 36 ++----------
> 5 files changed, 155 insertions(+), 42 deletions(-)
>
>
> base-commit: bcefd1bf63b1ec9bb08067021cf47f0fad96f395
> --
> 2.34.1
>

I'm picking up this.

Thanks,
Jens