| Mingyang Sun | 00df235 | 2021-04-15 15:46:08 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2021, Arm Limited. All rights reserved. |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | * |
| 6 | */ |
| 7 | |
| 8 | #ifndef __PARTITION_DEFS_H__ |
| 9 | #define __PARTITION_DEFS_H__ |
| 10 | |
| 11 | #include <stddef.h> |
| 12 | #include <stdint.h> |
| 13 | |
| 14 | /* Encode a magic number into version for validating partition info */ |
| 15 | #define PARTITION_INFO_VERSION_MASK (0x0000FFFF) |
| 16 | #define PARTITION_INFO_MAGIC_MASK (0xFFFF0000) |
| 17 | #define PARTITION_INFO_MAGIC (0x5F5F0000) |
| 18 | |
| 19 | /* Privileged definitions for partition thread mode */ |
| 20 | #define TFM_PARTITION_UNPRIVILEGED_MODE (0U) |
| 21 | #define TFM_PARTITION_PRIVILEGED_MODE (1U) |
| 22 | |
| 23 | /* |
| 24 | * Partition static data - flags |
| 25 | * bit 7-0: priority |
| 26 | * bit 8: 1 - PSA_ROT, 0 - APP_ROT |
| 27 | * bit 9: 1 - IPC model, 0 - SFN model |
| 28 | */ |
| 29 | #define PARTITION_PRI_HIGHEST (0x0) |
| 30 | #define PARTITION_PRI_HIGH (0xF) |
| 31 | #define PARTITION_PRI_NORMAL (0x1F) |
| 32 | #define PARTITION_PRI_LOW (0x7F) |
| 33 | #define PARTITION_PRI_LOWEST (0xFF) |
| 34 | #define PARTITION_PRI_MASK (0xFF) |
| 35 | |
| 36 | #define SPM_PART_FLAG_PSA_ROT (1U << 8) |
| 37 | #define SPM_PART_FLAG_IPC (1U << 9) |
| 38 | |
| 39 | #if TFM_LVL == 3 |
| 40 | /** |
| 41 | * Holds isolation memory regions used by a partition. Could be extended if |
| 42 | * more isolation regions are required. |
| 43 | */ |
| 44 | struct private_data_t { |
| 45 | uintptr_t start; |
| 46 | uintptr_t limit; |
| 47 | }; |
| 48 | #endif |
| 49 | |
| 50 | /* Common partition structure type */ |
| 51 | struct partition_static_info_t { |
| 52 | uint32_t psa_ff_ver; /* Encode the version with magic */ |
| 53 | uint32_t pid; /* Partition ID */ |
| 54 | uint32_t flags; /* ARoT/PRoT, SFN/IPC, priority */ |
| 55 | uintptr_t entry; /* Entry point */ |
| 56 | size_t stack_size; /* Stack size */ |
| 57 | size_t heap_size; /* Heap size */ |
| 58 | uint32_t ndeps; /* Dependency number */ |
| 59 | uint32_t nservices; /* Service number */ |
| 60 | uintptr_t plat_cookie; /* A cookie for platform binding */ |
| 61 | #if TFM_LVL == 3 |
| 62 | struct private_data_t mems; /* Partition isolation memory data */ |
| 63 | #endif |
| 64 | uintptr_t vars[]; /* Struct extendable indicator */ |
| 65 | } __attribute__((aligned(4))); |
| 66 | |
| 67 | #endif /* __PARTITION_DEFS_H__ */ |