Hello arm-soc maintainers,
Please pull these patches which adds support for asynchronous notifications
from OP-TEE in secure world to the OP-TEE driver.
An edge-triggered interrupt is used to notify the the driver.
These patches has been in linux-next for a few weeks already.
Thanks,
Jens
The following changes since commit fa55b7dcdc43c1aa1ba12bca9d2dd4318c2a0dbf:
Linux 5.16-rc1 (2021-11-14 13:56:52 -0800)
are available in the Git repository at:
https://git.linaro.org/people/jens.wiklander/linux-tee.git tags/optee-async-notif-for-v5.17
for you to fetch changes up to b98aee466d194788bd651cb375b0e0f7e0e69865:
optee: Fix NULL but dereferenced coccicheck error (2021-11-29 22:02:25 +0100)
----------------------------------------------------------------
OP-TEE Asynchronous notifications from secure world
Adds support in the SMC based OP-TEE driver to receive asynchronous
notifications from secure world using an edge-triggered interrupt as
delivery mechanism.
----------------------------------------------------------------
Jens Wiklander (6):
docs: staging/tee.rst: add a section on OP-TEE notifications
dt-bindings: arm: optee: add interrupt property
tee: fix put order in teedev_close_context()
tee: export teedev_open() and teedev_close_context()
optee: separate notification functions
optee: add asynchronous notifications
Yang Li (1):
optee: Fix NULL but dereferenced coccicheck error
.../bindings/arm/firmware/linaro,optee-tz.yaml | 8 +
Documentation/staging/tee.rst | 30 +++
drivers/tee/optee/Makefile | 1 +
drivers/tee/optee/core.c | 2 +-
drivers/tee/optee/ffa_abi.c | 6 +-
drivers/tee/optee/notif.c | 125 +++++++++++
drivers/tee/optee/optee_msg.h | 9 +
drivers/tee/optee/optee_private.h | 28 ++-
drivers/tee/optee/optee_rpc_cmd.h | 31 +--
drivers/tee/optee/optee_smc.h | 75 ++++++-
drivers/tee/optee/rpc.c | 71 +-----
drivers/tee/optee/smc_abi.c | 237 ++++++++++++++++++---
drivers/tee/tee_core.c | 10 +-
include/linux/tee_drv.h | 14 ++
14 files changed, 523 insertions(+), 124 deletions(-)
create mode 100644 drivers/tee/optee/notif.c