mirror of
https://github.com/AsahiLinux/u-boot
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4e96356185
This commit gives the secure world access to the I2C bus so it can
communicate with I2C slaves (typically those would be secure elements
like the NXP SE050).
A similar service implementation has been merged in linux:
c05210ab ("drivers: optee: allow op-tee to access devices on the i2c
bus")
Signed-off-by: Jorge Ramirez-Ortiz <jorge@foundries.io>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Etienne Carriere <etienne.carriere@linaro.org>
245 lines
5.8 KiB
C
245 lines
5.8 KiB
C
/* SPDX-License-Identifier: BSD-2-Clause */
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/*
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* Copyright (c) 2016-2018, Linaro Limited
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*/
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#ifndef __OPTEE_MSG_SUPPLICANT_H
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#define __OPTEE_MSG_SUPPLICANT_H
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/*
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* This file is based on
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* https://github.com/OP-TEE/optee_os/blob/master/core/include/optee_msg_supplicant.h
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* and may need to be updated when introducing new features.
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*/
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/*
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* Load a TA into memory
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*/
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#define OPTEE_MSG_RPC_CMD_LOAD_TA 0
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/*
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* Replay Protected Memory Block access
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*/
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#define OPTEE_MSG_RPC_CMD_RPMB 1
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/*
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* File system access
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*/
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#define OPTEE_MSG_RPC_CMD_FS 2
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/*
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* Define protocol for messages with .cmd == OPTEE_MSG_RPC_CMD_FS and first
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* parameter has the attribute OPTEE_MSG_ATTR_TYPE_VALUE_INPUT.
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*/
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/*
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* Open a file
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*
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* [in] param[0].u.value.a OPTEE_MRF_OPEN
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* [in] param[1].u.tmem a string holding the file name
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* [out] param[2].u.value.a file descriptor of open file
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*/
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#define OPTEE_MRF_OPEN 0
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/*
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* Create a file
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*
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* [in] param[0].u.value.a OPTEE_MRF_CREATE
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* [in] param[1].u.tmem a string holding the file name
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* [out] param[2].u.value.a file descriptor of open file
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*/
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#define OPTEE_MRF_CREATE 1
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/*
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* Close a file
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*
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* [in] param[0].u.value.a OPTEE_MRF_CLOSE
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* [in] param[0].u.value.b file descriptor of open file.
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*/
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#define OPTEE_MRF_CLOSE 2
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/*
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* Read from a file
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*
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* [in] param[0].u.value.a OPTEE_MRF_READ
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* [in] param[0].u.value.b file descriptor of open file
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* [in] param[0].u.value.c offset into file
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* [out] param[1].u.tmem buffer to hold returned data
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*/
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#define OPTEE_MRF_READ 3
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/*
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* Write to a file
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*
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* [in] param[0].u.value.a OPTEE_MRF_WRITE
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* [in] param[0].u.value.b file descriptor of open file
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* [in] param[0].u.value.c offset into file
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* [in] param[1].u.tmem buffer holding data to be written
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*/
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#define OPTEE_MRF_WRITE 4
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/*
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* Truncate a file
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*
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* [in] param[0].u.value.a OPTEE_MRF_TRUNCATE
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* [in] param[0].u.value.b file descriptor of open file
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* [in] param[0].u.value.c length of file.
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*/
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#define OPTEE_MRF_TRUNCATE 5
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/*
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* Remove a file
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*
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* [in] param[0].u.value.a OPTEE_MRF_REMOVE
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* [in] param[1].u.tmem a string holding the file name
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*/
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#define OPTEE_MRF_REMOVE 6
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/*
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* Rename a file
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*
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* [in] param[0].u.value.a OPTEE_MRF_RENAME
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* [in] param[0].u.value.b true if existing target should be removed
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* [in] param[1].u.tmem a string holding the old file name
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* [in] param[2].u.tmem a string holding the new file name
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*/
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#define OPTEE_MRF_RENAME 7
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/*
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* Opens a directory for file listing
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*
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* [in] param[0].u.value.a OPTEE_MRF_OPENDIR
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* [in] param[1].u.tmem a string holding the name of the directory
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* [out] param[2].u.value.a handle to open directory
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*/
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#define OPTEE_MRF_OPENDIR 8
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/*
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* Closes a directory handle
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*
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* [in] param[0].u.value.a OPTEE_MRF_CLOSEDIR
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* [in] param[0].u.value.b handle to open directory
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*/
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#define OPTEE_MRF_CLOSEDIR 9
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/*
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* Read next file name of directory
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*
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*
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* [in] param[0].u.value.a OPTEE_MRF_READDIR
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* [in] param[0].u.value.b handle to open directory
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* [out] param[1].u.tmem a string holding the file name
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*/
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#define OPTEE_MRF_READDIR 10
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/*
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* End of definitions for messages with .cmd == OPTEE_MSG_RPC_CMD_FS
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*/
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/*
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* Command Ids 3, 4 and 5 of OPTEE_MSG_RPC_CMD_xxx macros are reserved for use
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* by the kernel driver.
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*/
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/*
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* Shared memory allocation
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*/
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#define OPTEE_MSG_RPC_CMD_SHM_ALLOC 6
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#define OPTEE_MSG_RPC_CMD_SHM_FREE 7
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/*
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* I2C bus access
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*/
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#define OPTEE_MSG_RPC_CMD_I2C_TRANSFER 21
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/*
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* Was OPTEE_MSG_RPC_CMD_SQL_FS, which isn't supported any longer
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*/
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#define OPTEE_MSG_RPC_CMD_SQL_FS_RESERVED 8
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/*
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* GPROF support management commands
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*/
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#define OPTEE_MSG_RPC_CMD_GPROF 9
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/*
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* Socket commands
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*/
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#define OPTEE_MSG_RPC_CMD_SOCKET 10
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/*
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* Define protocol for messages with .cmd == OPTEE_MSG_RPC_CMD_SOCKET
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*/
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#define OPTEE_MRC_SOCKET_TIMEOUT_NONBLOCKING 0
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#define OPTEE_MRC_SOCKET_TIMEOUT_BLOCKING 0xffffffff
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/*
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* Open socket
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*
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* [in] param[0].u.value.a OPTEE_MRC_SOCKET_OPEN
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* [in] param[0].u.value.b TA instance id
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* [in] param[1].u.value.a server port number
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* [in] param[1].u.value.b protocol, TEE_ISOCKET_PROTOCOLID_*
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* [in] param[1].u.value.c ip version TEE_IP_VERSION_* from tee_ipsocket.h
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* [in] param[2].u.tmem server address
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* [out] param[3].u.value.a socket handle (32-bit)
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*/
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#define OPTEE_MRC_SOCKET_OPEN 0
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/*
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* Close socket
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*
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* [in] param[0].u.value.a OPTEE_MRC_SOCKET_CLOSE
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* [in] param[0].u.value.b TA instance id
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* [in] param[0].u.value.c socket handle
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*/
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#define OPTEE_MRC_SOCKET_CLOSE 1
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/*
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* Close all sockets
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*
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* [in] param[0].u.value.a OPTEE_MRC_SOCKET_CLOSE_ALL
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* [in] param[0].u.value.b TA instance id
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*/
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#define OPTEE_MRC_SOCKET_CLOSE_ALL 2
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/*
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* Send data on socket
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*
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* [in] param[0].u.value.a OPTEE_MRC_SOCKET_SEND
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* [in] param[0].u.value.b TA instance id
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* [in] param[0].u.value.c socket handle
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* [in] param[1].u.tmem buffer to transmit
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* [in] param[2].u.value.a timeout ms or OPTEE_MRC_SOCKET_TIMEOUT_*
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* [out] param[2].u.value.b number of transmitted bytes
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*/
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#define OPTEE_MRC_SOCKET_SEND 3
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/*
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* Receive data on socket
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*
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* [in] param[0].u.value.a OPTEE_MRC_SOCKET_RECV
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* [in] param[0].u.value.b TA instance id
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* [in] param[0].u.value.c socket handle
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* [out] param[1].u.tmem buffer to receive
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* [in] param[2].u.value.a timeout ms or OPTEE_MRC_SOCKET_TIMEOUT_*
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*/
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#define OPTEE_MRC_SOCKET_RECV 4
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/*
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* Perform IOCTL on socket
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*
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* [in] param[0].u.value.a OPTEE_MRC_SOCKET_IOCTL
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* [in] param[0].u.value.b TA instance id
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* [in] param[0].u.value.c socket handle
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* [in/out] param[1].u.tmem buffer
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* [in] param[2].u.value.a ioctl command
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*/
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#define OPTEE_MRC_SOCKET_IOCTL 5
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/*
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* End of definitions for messages with .cmd == OPTEE_MSG_RPC_CMD_SOCKET
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*/
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#endif /* __OPTEE_MSG_SUPPLICANT_H */
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