blob: a5059613337aea07cd1aaf8a54766d22781f81ae [file] [log] [blame]
/*
*
* Copyright (c) 2021 Project CHIP Authors
* 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
* Platform-specific key value storage implementation for Genio.
*
*/
#pragma once
#include "nvdm.h"
/* ignore GCC Wconversion warnings for pigweed */
#if defined(__GNUC__)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wconversion"
#endif
// #include <pw_kvs/crc16_checksum.h>
// #include <pw_kvs/flash_memory.h>
// #include <pw_kvs/key_value_store.h>
#if defined(__GNUC__)
#pragma GCC diagnostic pop
#endif
namespace chip {
namespace DeviceLayer {
namespace PersistedStorage {
/**
*
* MT793x KVS implementation
*/
class KeyValueStoreManagerImpl final : public KeyValueStoreManager
{
// Allow the KeyValueStoreManager interface class to delegate method calls to
// the implementation methods provided by this class.
friend class KeyValueStoreManager;
public:
void Init()
{ /*nvdm_init();*/
}
CHIP_ERROR _Get(const char * key, void * value, size_t value_size, size_t * read_bytes_size = nullptr, size_t offset = 0) const;
CHIP_ERROR _Delete(const char * key);
/**
* @brief
* Erases all data in the KVS partition, KVS needs to be initialized after
* this operation.
*
* @return CHIP_NO_ERROR the partiton was erased.
* CHIP_ERROR_TIMEOUT timed out while doing erase.
* CHIP_ERROR_ACCESS_DENIED flash locked, erase failed.
*/
CHIP_ERROR ErasePartition();
CHIP_ERROR _Put(const char * key, const void * value, size_t value_size);
private:
static inline const char kNamespace[] = "CHIP_KVS";
static CHIP_ERROR MapNvdmStatus(nvdm_status_t nvdm_status);
// ===== Members for internal use by the following friends.
friend KeyValueStoreManager & KeyValueStoreMgr();
friend KeyValueStoreManagerImpl & KeyValueStoreMgrImpl();
static KeyValueStoreManagerImpl sInstance;
};
/**
* Returns the public interface of the KeyValueStoreManager singleton object.
*
* Chip applications should use this to access features of the KeyValueStoreManager object
* that are common to all platforms.
*/
inline KeyValueStoreManager & KeyValueStoreMgr(void)
{
return KeyValueStoreManagerImpl::sInstance;
}
/**
* Returns the platform-specific implementation of the KeyValueStoreManager singleton object.
*
* Chip applications can use this to gain access to features of the KeyValueStoreManager
* that are specific to the Genio platform.
*/
inline KeyValueStoreManagerImpl & KeyValueStoreMgrImpl(void)
{
return KeyValueStoreManagerImpl::sInstance;
}
} // namespace PersistedStorage
} // namespace DeviceLayer
} // namespace chip