uapi/linux/tee.h

2  * Copyright (c) 2015-2016, Linaro Limited
52 #define TEE_MEMREF_NULL		(__u64)(-1) /* NULL MemRef Buffer */
55  * TEE Implementation ID
61  * OP-TEE specific capabilities
66  * struct tee_ioctl_version_data - TEE version
67  * @impl_id:	[out] TEE implementation id
68  * @impl_caps:	[out] Implementation specific capabilities
69  * @gen_caps:	[out] Generic capabilities, defined by TEE_GEN_CAPS_* above
71  * Identifies the TEE implementation, @impl_id is one of TEE_IMPL_ID_* above.
72  * @impl_caps is implementation specific, for example TEE_OPTEE_CAP_*
82  * TEE_IOC_VERSION - query version of TEE
91  * struct tee_ioctl_shm_alloc_data - Shared memory allocate argument
97  * with actual flags as defined by TEE_IOCTL_SHM_* above.
107  * TEE_IOC_SHM_ALLOC - allocate shared memory
121  * struct tee_ioctl_buf_data - Variable sized buffer
167  * Are only defined for GP compliant TEEs
176  * Disallow user-space to use GP implementation specific login
177  * method range (0x80000000 - 0xBFFFFFFF). This range is rather
178  * being reserved for REE kernel clients or TEE implementation.
186  * struct tee_ioctl_param - parameter
223  * struct tee_ioctl_open_session_arg - Open session argument
247  * TEE_IOC_OPEN_SESSION - opens a session to a Trusted Application
257  * struct tee_ioctl_invoke_func_arg - Invokes a function in a Trusted
278  * TEE_IOC_INVOKE - Invokes a function in a Trusted Application
287  * struct tee_ioctl_cancel_arg - Cancels an open session or invoke ioctl
297  * TEE_IOC_CANCEL - Cancels an open session or invoke
303  * struct tee_ioctl_close_session_arg - Closes an open session
311  * TEE_IOC_CLOSE_SESSION - Closes a session
317  * struct tee_iocl_supp_recv_arg - Receive a request for a supplicant function
321  * @num_params is the number of params that tee-supplicant has room to
323  * tee-supplicant receives when output.
333  * TEE_IOC_SUPPL_RECV - Receive a request for a supplicant function
342  * struct tee_iocl_supp_send_arg - Send a response to a received request
354  * TEE_IOC_SUPPL_SEND - Send a response to a received request
363  * struct tee_ioctl_shm_register_data - Shared memory register argument
370  * with actual flags as defined by TEE_IOCTL_SHM_* above.
381  * TEE_IOC_SHM_REGISTER - Register shared memory argument
396  *   - closes the device file descriptor
397  *   - closes a file descriptor connected to allocated shared memory