62 lines
2.1 KiB
C
62 lines
2.1 KiB
C
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/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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* This file contains data type definitions and constants that are useful to
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* code interacting with and implementing the NVRAM HAL, even though it doesn't
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* use the actual NVRAM HAL module interface. Keeping this in a separate file
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* simplifies inclusion in low-level code which can't easily include the heavier
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* hardware.h due to lacking standard headers.
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*/
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#ifndef ANDROID_HARDWARE_NVRAM_DEFS_H
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#define ANDROID_HARDWARE_NVRAM_DEFS_H
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif // __cplusplus
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/* Values returned by nvram_device methods. */
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typedef uint32_t nvram_result_t;
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const nvram_result_t NV_RESULT_SUCCESS = 0;
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const nvram_result_t NV_RESULT_INTERNAL_ERROR = 1;
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const nvram_result_t NV_RESULT_ACCESS_DENIED = 2;
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const nvram_result_t NV_RESULT_INVALID_PARAMETER = 3;
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const nvram_result_t NV_RESULT_SPACE_DOES_NOT_EXIST = 4;
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const nvram_result_t NV_RESULT_SPACE_ALREADY_EXISTS = 5;
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const nvram_result_t NV_RESULT_OPERATION_DISABLED = 6;
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/* Values describing available access controls. */
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typedef uint32_t nvram_control_t;
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const nvram_control_t NV_CONTROL_PERSISTENT_WRITE_LOCK = 1;
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const nvram_control_t NV_CONTROL_BOOT_WRITE_LOCK = 2;
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const nvram_control_t NV_CONTROL_BOOT_READ_LOCK = 3;
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const nvram_control_t NV_CONTROL_WRITE_AUTHORIZATION = 4;
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const nvram_control_t NV_CONTROL_READ_AUTHORIZATION = 5;
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const nvram_control_t NV_CONTROL_WRITE_EXTEND = 6;
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const uint32_t NV_UNLIMITED_SPACES = 0xFFFFFFFF;
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#ifdef __cplusplus
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} // extern "C"
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#endif // __cplusplus
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#endif // ANDROID_HARDWARE_NVRAM_DEFS_H
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