Minos Galanakis | 2c824b4 | 2025-03-20 09:28:45 +0000 | [diff] [blame^] | 1 | /* PSA Firmware Framework client header for psasim. */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright The Mbed TLS Contributors |
| 5 | * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later |
| 6 | */ |
| 7 | |
| 8 | #ifndef __PSA_CLIENT_H__ |
| 9 | #define __PSA_CLIENT_H__ |
| 10 | |
| 11 | #ifdef __cplusplus |
| 12 | extern "C" { |
| 13 | #endif |
| 14 | |
| 15 | #include <stdint.h> |
| 16 | #include <stddef.h> |
| 17 | #include <psa/error.h> |
| 18 | /*********************** PSA Client Macros and Types *************************/ |
| 19 | |
| 20 | #define PSA_FRAMEWORK_VERSION (0x0100) |
| 21 | |
| 22 | #define PSA_VERSION_NONE (0) |
| 23 | |
| 24 | /* PSA response types */ |
| 25 | #define PSA_CONNECTION_REFUSED PSA_ERROR_CONNECTION_REFUSED |
| 26 | #define PSA_CONNECTION_BUSY PSA_ERROR_CONNECTION_BUSY |
| 27 | #define PSA_DROP_CONNECTION PSA_ERROR_PROGRAMMER_ERROR |
| 28 | |
| 29 | /* PSA message handles */ |
| 30 | #define PSA_NULL_HANDLE ((psa_handle_t) 0) |
| 31 | |
| 32 | #define PSA_HANDLE_IS_VALID(handle) ((psa_handle_t) (handle) > 0) |
| 33 | #define PSA_HANDLE_TO_ERROR(handle) ((psa_status_t) (handle)) |
| 34 | |
| 35 | #define PSA_MAX_IOVEC (4u) |
| 36 | |
| 37 | #define PSA_IPC_CALL (0) |
| 38 | |
| 39 | typedef int32_t psa_handle_t; |
| 40 | |
| 41 | /** |
| 42 | * A read-only input memory region provided to an RoT Service. |
| 43 | */ |
| 44 | typedef struct psa_invec { |
| 45 | const void *base; |
| 46 | size_t len; |
| 47 | } psa_invec; |
| 48 | |
| 49 | /** |
| 50 | * A writable output memory region provided to an RoT Service. |
| 51 | */ |
| 52 | typedef struct psa_outvec { |
| 53 | void *base; |
| 54 | size_t len; |
| 55 | } psa_outvec; |
| 56 | |
| 57 | /*************************** PSA Client API **********************************/ |
| 58 | |
| 59 | uint32_t psa_framework_version(void); |
| 60 | |
| 61 | uint32_t psa_version(uint32_t sid); |
| 62 | |
| 63 | psa_handle_t psa_connect(uint32_t sid, uint32_t version); |
| 64 | |
| 65 | psa_status_t psa_call(psa_handle_t handle, |
| 66 | int32_t type, |
| 67 | const psa_invec *in_vec, |
| 68 | size_t in_len, |
| 69 | psa_outvec *out_vec, |
| 70 | size_t out_len); |
| 71 | |
| 72 | void psa_close(psa_handle_t handle); |
| 73 | |
| 74 | #ifdef __cplusplus |
| 75 | } |
| 76 | #endif |
| 77 | |
| 78 | #endif /* __PSA_CLIENT_H__ */ |