| Jamie Fox | ab30e71 | 2023-03-30 17:48:36 +0100 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2023, Arm Limited. All rights reserved. |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | * |
| 6 | */ |
| 7 | |
| 8 | #ifndef __DPE_CMD_DECODE_H__ |
| 9 | #define __DPE_CMD_DECODE_H__ |
| 10 | |
| 11 | #include <stddef.h> |
| 12 | #include <stdint.h> |
| 13 | |
| 14 | #ifdef __cplusplus |
| 15 | extern "C" { |
| 16 | #endif |
| 17 | |
| 18 | /** |
| 19 | * \brief Call the DPE service with a CBOR-encoded DPE command. |
| 20 | * |
| 21 | * \param[in] client_id Identifier of the client calling the service. |
| 22 | * \param[in] cmd_input Pointer to buffer containing the input |
| 23 | * CBOR-encoded DPE command. |
| 24 | * \param[in] cmd_input_size Size of the input command, in bytes. |
| 25 | * \param[out] cmd_output Pointer to buffer to write the CBOR-encoded |
| 26 | * DPE command output. |
| 27 | * \param[in,out] cmd_output_size On input, size of the command output buffer |
| 28 | * in bytes. On successful return, size of the |
| 29 | * response written to the buffer. |
| 30 | * |
| 31 | * \note The cmd_input and cmd_output memory areas may overlap. |
| 32 | * |
| 33 | * \return Returns 0 if call succeeded and cmd_output contains a valid response |
| 34 | * and returns less than 0 otherwise. |
| 35 | */ |
| 36 | int32_t dpe_command_decode(int32_t client_id, |
| 37 | const char *cmd_input, size_t cmd_input_size, |
| 38 | char *cmd_output, size_t *cmd_output_size); |
| 39 | |
| 40 | #ifdef __cplusplus |
| 41 | } |
| 42 | #endif |
| 43 | |
| 44 | #endif /* __DPE_CMD_DECODE_H__ */ |