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/*
*
* Copyright (c) 2020-2022 Project CHIP Authors
* Copyright (c) 2019-2020 Google LLC.
* Copyright (c) 2018 Nest Labs, Inc.
* All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @file
* Utilities for accessing persisted device configuration on
* CYW30739 platforms.
*/
#pragma once
#include <platform/internal/CHIPDeviceLayerInternal.h>
#include <platform_nvram.h>
namespace chip {
namespace DeviceLayer {
namespace Internal {
constexpr inline uint32_t CYW30739ConfigKey(uint16_t keyBaseOffset, uint8_t id)
{
return keyBaseOffset | id;
}
/**
* Provides functions and definitions for accessing device configuration information.
*/
class CYW30739Config
{
public:
using Key = uint32_t;
static constexpr uint16_t kChipFactory_KeyBase = PLATFORM_NVRAM_SSID_MATTER_BASE;
static constexpr uint16_t kChipConfig_KeyBase = PLATFORM_NVRAM_VSID_MATTER_BASE + 0x0000;
static constexpr uint16_t kChipKvsValue_KeyBase = PLATFORM_NVRAM_VSID_MATTER_BASE + 0x0100;
static constexpr uint16_t kChipKvsKey_KeyBase = PLATFORM_NVRAM_VSID_MATTER_BASE + 0x0200;
// Key definitions for well-known keys.
// Factory config keys
static constexpr Key kConfigKey_SerialNum = CYW30739ConfigKey(kChipFactory_KeyBase, 0x00);
static constexpr Key kConfigKey_MfrDeviceId = CYW30739ConfigKey(kChipFactory_KeyBase, 0x01);
static constexpr Key kConfigKey_MfrDeviceCert = CYW30739ConfigKey(kChipFactory_KeyBase, 0x02);
static constexpr Key kConfigKey_MfrDevicePrivateKey = CYW30739ConfigKey(kChipFactory_KeyBase, 0x03);
static constexpr Key kConfigKey_ManufacturingDate = CYW30739ConfigKey(kChipFactory_KeyBase, 0x04);
static constexpr Key kConfigKey_SetupPinCode = CYW30739ConfigKey(kChipFactory_KeyBase, 0x05);
static constexpr Key kConfigKey_MfrDeviceICACerts = CYW30739ConfigKey(kChipFactory_KeyBase, 0x06);
static constexpr Key kConfigKey_SetupDiscriminator = CYW30739ConfigKey(kChipFactory_KeyBase, 0x07);
static constexpr Key kConfigKey_Spake2pIterationCount = CYW30739ConfigKey(kChipFactory_KeyBase, 0x08);
static constexpr Key kConfigKey_Spake2pSalt = CYW30739ConfigKey(kChipFactory_KeyBase, 0x09);
static constexpr Key kConfigKey_Spake2pVerifier = CYW30739ConfigKey(kChipFactory_KeyBase, 0x0a);
static constexpr Key kConfigKey_DAC = CYW30739ConfigKey(kChipFactory_KeyBase, 0x0b);
static constexpr Key kConfigKey_DACKey = CYW30739ConfigKey(kChipFactory_KeyBase, 0x0c);
static constexpr Key kConfigKey_PAICert = CYW30739ConfigKey(kChipFactory_KeyBase, 0x0d);
static constexpr Key kConfigKey_CertDeclaration = CYW30739ConfigKey(kChipFactory_KeyBase, 0x0e);
// CHIP Config Keys
static constexpr Key kConfigKey_ServiceConfig = CYW30739ConfigKey(kChipConfig_KeyBase, 0x00);
static constexpr Key kConfigKey_PairedAccountId = CYW30739ConfigKey(kChipConfig_KeyBase, 0x01);
static constexpr Key kConfigKey_ServiceId = CYW30739ConfigKey(kChipConfig_KeyBase, 0x02);
static constexpr Key kConfigKey_LastUsedEpochKeyId = CYW30739ConfigKey(kChipConfig_KeyBase, 0x03);
static constexpr Key kConfigKey_FailSafeArmed = CYW30739ConfigKey(kChipConfig_KeyBase, 0x04);
static constexpr Key kConfigKey_GroupKey = CYW30739ConfigKey(kChipConfig_KeyBase, 0x05);
static constexpr Key kConfigKey_HardwareVersion = CYW30739ConfigKey(kChipConfig_KeyBase, 0x06);
static constexpr Key kConfigKey_RegulatoryLocation = CYW30739ConfigKey(kChipConfig_KeyBase, 0x07);
static constexpr Key kConfigKey_CountryCode = CYW30739ConfigKey(kChipConfig_KeyBase, 0x08);
static constexpr Key kConfigKey_RebootCount = CYW30739ConfigKey(kChipConfig_KeyBase, 0x09);
static constexpr Key kConfigKey_UniqueId = CYW30739ConfigKey(kChipConfig_KeyBase, 0x0a);
static constexpr Key kConfigKey_LockUser = CYW30739ConfigKey(kChipConfig_KeyBase, 0x0b);
static constexpr Key kConfigKey_Credential = CYW30739ConfigKey(kChipConfig_KeyBase, 0x0c);
static constexpr Key kConfigKey_LockUserName = CYW30739ConfigKey(kChipConfig_KeyBase, 0x0d);
static constexpr Key kConfigKey_CredentialData = CYW30739ConfigKey(kChipConfig_KeyBase, 0x0e);
static constexpr Key kConfigKey_UserCredentials = CYW30739ConfigKey(kChipConfig_KeyBase, 0x0f);
static constexpr Key kConfigKey_WeekDaySchedules = CYW30739ConfigKey(kChipConfig_KeyBase, 0x10);
static constexpr Key kConfigKey_YearDaySchedules = CYW30739ConfigKey(kChipConfig_KeyBase, 0x11);
static constexpr Key kConfigKey_HolidaySchedules = CYW30739ConfigKey(kChipConfig_KeyBase, 0x12);
static constexpr Key kConfigKey_BootReason = CYW30739ConfigKey(kChipConfig_KeyBase, 0x13);
// Set key id limits for each group.
static constexpr Key kMinConfigKey_ChipFactory = CYW30739ConfigKey(kChipFactory_KeyBase, 0x00);
static constexpr Key kMaxConfigKey_ChipFactory = CYW30739ConfigKey(kChipFactory_KeyBase, 0xff);
static constexpr Key kMinConfigKey_ChipConfig = CYW30739ConfigKey(kChipConfig_KeyBase, 0x00);
static constexpr Key kMaxConfigKey_ChipConfig = CYW30739ConfigKey(kChipConfig_KeyBase, 0xff);
static CHIP_ERROR Init(void);
// Config value accessors.
template <typename T>
static CHIP_ERROR ReadConfigValue(Key key, T & val);
static CHIP_ERROR ReadConfigValueStr(Key key, char * buf, size_t bufSize, size_t & outLen);
static CHIP_ERROR ReadConfigValueBin(Key key, uint8_t * buf, size_t bufSize, size_t & outLen);
static CHIP_ERROR ReadConfigValueBin(Key key, void * buf, size_t bufSize, size_t & outLen);
template <typename T>
static CHIP_ERROR WriteConfigValue(Key key, T val);
static CHIP_ERROR WriteConfigValueStr(Key key, const char * str);
static CHIP_ERROR WriteConfigValueStr(Key key, const char * str, size_t strLen);
static CHIP_ERROR WriteConfigValueBin(Key key, const uint8_t * data, size_t dataLen);
static CHIP_ERROR WriteConfigValueBin(Key key, const void * data, size_t dataLen);
static CHIP_ERROR ClearConfigValue(Key key);
static bool ConfigValueExists(Key key);
static CHIP_ERROR FactoryResetConfig(void);
static void RunConfigUnitTest(void);
private:
static bool IsDataFromFlash(const void * data);
};
} // namespace Internal
} // namespace DeviceLayer
} // namespace chip