Mattias Nissler | d2d0b67 | 2016-02-04 10:00:28 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2016 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 | /* |
| 18 | * This file contains data type definitions and constants that are useful to |
| 19 | * code interacting with and implementing the NVRAM HAL, even though it doesn't |
| 20 | * use the actual NVRAM HAL module interface. Keeping this in a separate file |
| 21 | * simplifies inclusion in low-level code which can't easily include the heavier |
| 22 | * hardware.h due to lacking standard headers. |
| 23 | */ |
| 24 | |
| 25 | #ifndef ANDROID_HARDWARE_NVRAM_DEFS_H |
| 26 | #define ANDROID_HARDWARE_NVRAM_DEFS_H |
| 27 | |
| 28 | #include <stdint.h> |
| 29 | |
| 30 | #ifdef __cplusplus |
| 31 | extern "C" { |
| 32 | #endif // __cplusplus |
| 33 | |
| 34 | /* Values returned by nvram_device methods. */ |
| 35 | typedef uint32_t nvram_result_t; |
| 36 | |
| 37 | const nvram_result_t NV_RESULT_SUCCESS = 0; |
| 38 | const nvram_result_t NV_RESULT_INTERNAL_ERROR = 1; |
| 39 | const nvram_result_t NV_RESULT_ACCESS_DENIED = 2; |
| 40 | const nvram_result_t NV_RESULT_INVALID_PARAMETER = 3; |
| 41 | const nvram_result_t NV_RESULT_SPACE_DOES_NOT_EXIST = 4; |
| 42 | const nvram_result_t NV_RESULT_SPACE_ALREADY_EXISTS = 5; |
| 43 | const nvram_result_t NV_RESULT_OPERATION_DISABLED = 6; |
| 44 | |
| 45 | /* Values describing available access controls. */ |
| 46 | typedef uint32_t nvram_control_t; |
| 47 | |
| 48 | const nvram_control_t NV_CONTROL_PERSISTENT_WRITE_LOCK = 1; |
| 49 | const nvram_control_t NV_CONTROL_BOOT_WRITE_LOCK = 2; |
| 50 | const nvram_control_t NV_CONTROL_BOOT_READ_LOCK = 3; |
| 51 | const nvram_control_t NV_CONTROL_WRITE_AUTHORIZATION = 4; |
| 52 | const nvram_control_t NV_CONTROL_READ_AUTHORIZATION = 5; |
| 53 | const nvram_control_t NV_CONTROL_WRITE_EXTEND = 6; |
| 54 | |
| 55 | const uint32_t NV_UNLIMITED_SPACES = 0xFFFFFFFF; |
| 56 | |
| 57 | #ifdef __cplusplus |
| 58 | } // extern "C" |
| 59 | #endif // __cplusplus |
| 60 | |
| 61 | #endif // ANDROID_HARDWARE_NVRAM_DEFS_H |