diff options
Diffstat (limited to 'include/linux/tee_drv.h')
| -rw-r--r-- | include/linux/tee_drv.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/linux/tee_drv.h b/include/linux/tee_drv.h index 8868337e9445..e5a4d1668942 100644 --- a/include/linux/tee_drv.h +++ b/include/linux/tee_drv.h @@ -47,6 +47,8 @@ struct tee_shm_pool; * and just return with an error code. It is needed for requests * that arises from TEE based kernel drivers that should be * non-blocking in nature. + * @cap_memref_null: flag indicating if the TEE Client support shared + * memory buffer with a NULL pointer. */ struct tee_context { struct tee_device *teedev; @@ -55,6 +57,7 @@ struct tee_context { struct kref refcount; bool releasing; bool supp_nowait; + bool cap_memref_null; }; struct tee_param_memref { @@ -168,6 +171,22 @@ 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 * @teedev: device used to allocate the object * @ctx: context using the object, if NULL the context is gone |