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- .. SPDX-License-Identifier: GPL-2.0+
- .. Copyright 2022-2023 Arm Limited and/or its affiliates <open-source-office@arm.com>
- armffa command
- ==============
- Synopsis
- --------
- ::
- armffa [sub-command] [arguments]
- sub-commands:
- getpart [partition UUID]
- lists the partition(s) info
- ping [partition ID]
- sends a data pattern to the specified partition
- devlist
- displays information about the FF-A device/driver
- Description
- -----------
- armffa is a command showcasing how to use the FF-A bus and how to invoke its operations.
- This provides a guidance to the client developers on how to call the FF-A bus interfaces.
- The command also allows to gather secure partitions information and ping these partitions.
- The command is also helpful in testing the communication with secure partitions.
- Example
- -------
- The following examples are run on Corstone-1000 platform.
- * ping
- ::
- corstone1000# armffa ping 0x8003
- SP response:
- [LSB]
- fffffffe
- 0
- 0
- 0
- 0
- * ping (failure case)
- ::
- corstone1000# armffa ping 0
- Sending direct request error (-22)
- * getpart
- ::
- corstone1000# armffa getpart 33d532ed-e699-0942-c09c-a798d9cd722d
- Partition: id = 8003 , exec_ctxt 1 , properties 3
- * getpart (failure case)
- ::
- corstone1000# armffa getpart 33d532ed-e699-0942-c09c-a798d9cd7221
- INVALID_PARAMETERS: Unrecognized UUID
- Failure in querying partitions count (error code: -22)
- * devlist
- ::
- corstone1000# armffa devlist
- device name arm_ffa, dev 00000000fdf41c30, driver name arm_ffa, ops 00000000fffc0e98
- Configuration
- -------------
- The command is available if CONFIG_CMD_ARMFFA=y and CONFIG_ARM_FFA_TRANSPORT=y.
- Return value
- ------------
- The return value $? is 0 (true) on success, 1 (false) on failure.
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