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| author |   Arnd Bergmann <arnd@arndb.de> | 2020-05-25 23:15:02 +0200 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2020-05-25 23:15:03 +0200 |
| commit | be4ad166b4e229ba7f129c5e3bd5ff0347652422 (patch) | |
| tree | 88336fa30024b2663441e121f8eb486b925c1ea9 /include/linux/tee_drv.h | |
| parent | Merge tag 'reset-for-v5.8' of git://git.pengutronix.de/pza/linux into arm/drivers (diff) | |
| parent | tee: optee: Add support for session login client UUID generation (diff) | |
| download | wireguard-linux-be4ad166b4e229ba7f129c5e3bd5ff0347652422.tar.xz wireguard-linux-be4ad166b4e229ba7f129c5e3bd5ff0347652422.zip | |
Merge tag 'tee-login-for-5.8' of git://git.linaro.org/people/jens.wiklander/linux-tee into arm/drivers
Adds utility function in TEE subsystem for client UUID generation. This
function is also used in the optee driver.
* tag 'tee-login-for-5.8' of git://git.linaro.org/people/jens.wiklander/linux-tee:
tee: optee: Add support for session login client UUID generation
tee: add support for session's client UUID generation
Link: https://lore.kernel.org/r/20200512131243.GA10028@jade
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'include/linux/tee_drv.h')
| -rw-r--r-- | include/linux/tee_drv.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/tee_drv.h b/include/linux/tee_drv.h index e96154d92b1e..d074302989dd 100644 --- a/include/linux/tee_drv.h +++ b/include/linux/tee_drv.h @@ -167,6 +167,22 @@ int tee_device_register(struct tee_device *teedev); void tee_device_unregister(struct tee_device *teedev); /** + * tee_session_calc_client_uuid() - Calculates client UUID for session + * @uuid: Resulting UUID + * @connection_method: Connection method for session (TEE_IOCTL_LOGIN_*) + * @connectuon_data: Connection data for opening session + * + * Based on connection method calculates UUIDv5 based client UUID. + * + * For group based logins verifies that calling process has specified + * credentials. + * + * @return < 0 on failure + */ +int tee_session_calc_client_uuid(uuid_t *uuid, u32 connection_method, + const u8 connection_data[TEE_IOCTL_UUID_LEN]); + +/** * struct tee_shm - shared memory object * @ctx: context using the object * @paddr: physical address of the shared memory |