diff options
| author |   Arnd Bergmann <arnd@arndb.de> | 2021-12-14 11:27:38 +0100 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2021-12-14 11:27:39 +0100 |
| commit | c6e5bdae04a308942e755d53c5cc73d9f2fbf167 (patch) | |
| tree | 419cf6293a1f74171c921480917cb78cb10c7360 /include/linux | |
| parent | Merge tag 'zynqmp-soc-for-v5.17' of https://github.com/Xilinx/linux-xlnx into arm/drivers (diff) | |
| parent | optee: Fix NULL but dereferenced coccicheck error (diff) | |
Merge tag 'optee-async-notif-for-v5.17' of https://git.linaro.org/people/jens.wiklander/linux-tee into arm/drivers
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.
* tag 'optee-async-notif-for-v5.17' of https://git.linaro.org/people/jens.wiklander/linux-tee:
optee: Fix NULL but dereferenced coccicheck error
optee: add asynchronous notifications
optee: separate notification functions
tee: export teedev_open() and teedev_close_context()
tee: fix put order in teedev_close_context()
dt-bindings: arm: optee: add interrupt property
docs: staging/tee.rst: add a section on OP-TEE notifications
Link: https://lore.kernel.org/r/20211213102359.GA1638682@jade
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/tee_drv.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/tee_drv.h b/include/linux/tee_drv.h index a1f03461369b..468a7d83dc6c 100644 --- a/include/linux/tee_drv.h +++ b/include/linux/tee_drv.h @@ -587,4 +587,18 @@ struct tee_client_driver { #define to_tee_client_driver(d) \ container_of(d, struct tee_client_driver, driver) +/** + * teedev_open() - Open a struct tee_device + * @teedev: Device to open + * + * @return a pointer to struct tee_context on success or an ERR_PTR on failure. + */ +struct tee_context *teedev_open(struct tee_device *teedev); + +/** + * teedev_close_context() - closes a struct tee_context + * @ctx: The struct tee_context to close + */ +void teedev_close_context(struct tee_context *ctx); + #endif /*__TEE_DRV_H*/ |