| Andrei Homescu | 74a5445 | 2021-12-10 05:30:21 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2022 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include "TrustyStatus.h" |
| 18 | #include "../RpcState.h" |
| 19 | |
| 20 | namespace android { |
| 21 | |
| 22 | status_t statusFromTrusty(int rc) { |
| 23 | LOG_RPC_DETAIL("Trusty error: %d", rc); |
| 24 | switch (rc) { |
| 25 | case NO_ERROR: |
| 26 | return OK; |
| 27 | case ERR_NOT_FOUND: |
| 28 | return NAME_NOT_FOUND; |
| 29 | case ERR_NOT_READY: |
| 30 | // We get this error if we try to perform an IPC operation when the |
| 31 | // channel is not ready |
| 32 | return INVALID_OPERATION; |
| 33 | case ERR_NO_MSG: |
| 34 | return WOULD_BLOCK; |
| 35 | case ERR_NO_MEMORY: |
| 36 | return NO_MEMORY; |
| 37 | case ERR_INVALID_ARGS: |
| 38 | return BAD_VALUE; |
| 39 | case ERR_NOT_ENOUGH_BUFFER: |
| 40 | return WOULD_BLOCK; |
| 41 | case ERR_TIMED_OUT: |
| 42 | return TIMED_OUT; |
| 43 | case ERR_ALREADY_EXISTS: |
| 44 | return ALREADY_EXISTS; |
| 45 | case ERR_CHANNEL_CLOSED: |
| 46 | return DEAD_OBJECT; |
| 47 | case ERR_NOT_ALLOWED: |
| 48 | return INVALID_OPERATION; |
| 49 | case ERR_NOT_SUPPORTED: |
| 50 | return INVALID_OPERATION; |
| 51 | case ERR_TOO_BIG: |
| 52 | return BAD_INDEX; |
| 53 | case ERR_CMD_UNKNOWN: |
| 54 | return UNKNOWN_TRANSACTION; |
| 55 | case ERR_BAD_STATE: |
| 56 | return INVALID_OPERATION; |
| 57 | case ERR_BAD_LEN: |
| 58 | return NOT_ENOUGH_DATA; |
| 59 | case ERR_BAD_HANDLE: |
| 60 | return BAD_VALUE; |
| 61 | case ERR_ACCESS_DENIED: |
| 62 | return PERMISSION_DENIED; |
| 63 | default: |
| 64 | return UNKNOWN_ERROR; |
| 65 | } |
| 66 | } |
| 67 | |
| 68 | int statusToTrusty(status_t status) { |
| 69 | switch (status) { |
| 70 | case OK: |
| 71 | return NO_ERROR; |
| 72 | case NO_MEMORY: |
| 73 | return ERR_NO_MEMORY; |
| 74 | case INVALID_OPERATION: |
| 75 | case BAD_VALUE: |
| 76 | case BAD_TYPE: |
| 77 | return ERR_NOT_VALID; |
| 78 | case NAME_NOT_FOUND: |
| 79 | return ERR_NOT_FOUND; |
| 80 | case PERMISSION_DENIED: |
| 81 | return ERR_ACCESS_DENIED; |
| 82 | case NO_INIT: |
| 83 | return ERR_NOT_CONFIGURED; |
| 84 | case ALREADY_EXISTS: |
| 85 | return ERR_ALREADY_EXISTS; |
| 86 | case DEAD_OBJECT: |
| 87 | return ERR_CHANNEL_CLOSED; |
| 88 | case BAD_INDEX: |
| 89 | return ERR_TOO_BIG; |
| 90 | case NOT_ENOUGH_DATA: |
| 91 | return ERR_BAD_LEN; |
| 92 | case WOULD_BLOCK: |
| 93 | return ERR_NO_MSG; |
| 94 | case TIMED_OUT: |
| 95 | return ERR_TIMED_OUT; |
| 96 | case UNKNOWN_TRANSACTION: |
| 97 | return ERR_CMD_UNKNOWN; |
| 98 | case FDS_NOT_ALLOWED: |
| 99 | return ERR_NOT_SUPPORTED; |
| 100 | case UNEXPECTED_NULL: |
| 101 | return ERR_NOT_VALID; |
| 102 | default: |
| 103 | return ERR_GENERIC; |
| 104 | } |
| 105 | } |
| 106 | |
| 107 | } // namespace android |