Vekatech
SDHI_driver patch (mbedOS 5.11.5)
Diff: mbed-os-program/mbed-os/features/storage/kvstore/conf/kv_config.cpp
- Revision:
- 2:7c75ab32d7c9
diff -r b07be64e592e -r 7c75ab32d7c9 mbed-os-program/mbed-os/features/storage/kvstore/conf/kv_config.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-os-program/mbed-os/features/storage/kvstore/conf/kv_config.cpp Fri Mar 29 19:47:34 2019 +0200
@@ -0,0 +1,1167 @@
+/*
+ * Copyright (c) 2018 ARM Limited. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ * 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.
+ */
+
+#include "kv_config.h"
+#include "KVStore.h"
+#include "KVMap.h"
+#include "BlockDevice.h"
+#include "FileSystem.h"
+#include "FileSystemStore.h"
+#include "SlicingBlockDevice.h"
+#include "FATFileSystem.h"
+#include "LittleFileSystem.h"
+#include "TDBStore.h"
+#include "mbed_error.h"
+#include "FlashIAP.h"
+#include "FlashSimBlockDevice.h"
+#include "mbed_trace.h"
+#include "SecureStore.h"
+#define TRACE_GROUP "KVCFG"
+
+#if COMPONENT_FLASHIAP
+#include "FlashIAPBlockDevice.h"
+#endif
+
+#if COMPONENT_QSPIF
+#include "QSPIFBlockDevice.h"
+#endif
+
+#if COMPONENT_SPIF
+#include "SPIFBlockDevice.h"
+#endif
+
+#if COMPONENT_DATAFLASH
+#include "DataFlashBlockDevice.h"
+#endif
+
+#if COMPONENT_SD
+#include "SDBlockDevice.h"
+#endif
+
+#if COMPONENT_RZ_SDHI
+#include "RZ_SDHIBlockDevice.hpp"
+#endif
+
+/**
+ * @brief This function initializes internal memory secure storage
+ * This includes a TDBStore instance with a FlashIAPBlockdevice
+ * as the supported storage.
+ * The following is a list of configuration parameter
+ * MBED_CONF_STORAGE_TDB_INTERNAL_SIZE - The size of the underlying FlashIAPBlockdevice
+ * MBED_CONF_STORAGE_TDB_INTERNAL_BASE_ADDRESS - The start address of the underlying FlashIAPBlockdevice
+ * @returns 0 on success or negative value on failure.
+ */
+int _storage_config_TDB_INTERNAL();
+
+/**
+ * @brief This function initialize external memory secure storage
+ * This includes a SecureStore class with TDBStore over FlashIAPBlockdevice
+ * and an external TDBStore over a default blockdevice unless configured differently.
+ * The following is a list of configuration parameter:
+ * MBED_CONF_STORAGE_TDB_EXTERNAL_RBP_INTERNAL_SIZE - Size of the internal FlashIAPBlockDevice and by
+ * default is set to from start address to the end of the flash.
+ * If start address is 0 the start address will be set to end of
+ * flash - rbp_internal_size.
+ * MBED_CONF_STORAGE_TDB_EXTERNAL_INTERNAL_BASE_ADDRESS - The satrt address of the internal FlashIAPBlockDevice.
+ * MBED_CONF_STORAGE_TDB_EXTERNAL_EXTERNAL_SIZE - Size of the external blockdevice in bytes or NULL for
+ * max possible size.
+ * MBED_CONF_STORAGE_TDB_EXTERNAL_EXTERNAL_BASE_ADDRESS - The block device start address.
+ * MBED_CONF_STORAGE_TDB_EXTERNAL_EXTERNAL_BLOCK_DEVICE - Alowed vlaues are: default, SPIF, DATAFASH, QSPIF or SD
+ * @returns 0 on success or negative value on failure.
+ */
+int _storage_config_TDB_EXTERNAL();
+
+/**
+ * @brief This function initialize a external memory secure storage
+ * This includes a SecureStore class with external TDBStore over a blockdevice or,
+ * if no blockdevice was set the default blockdevice will be used.
+ * The following is a list of configuration parameter:
+ * MBED_CONF_STORAGE_TDB_EXTERNAL_NO_RBP_EXTERNAL_SIZE - Size of the external blockdevice in bytes
+ * or NULL for max possible size.
+ * MBED_CONF_STORAGE_TDB_EXTERNAL_NO_RBP_EXTERNAL_BASE_ADDRESS - The block device start address
+ * MBED_CONF_STORAGE_TDB_EXTERNAL_NO_RBP_EXTERNAL_BLOCK_DEVICE - Alowed vlaues are: default, SPIF, DATAFASH, QSPIF or SD
+ * @returns 0 on success or negative value on failure.
+ */
+int _storage_config_TDB_EXTERNAL_NO_RBP();
+
+/**
+ * @brief This function initialize a FILESYSTEM memory secure storage
+ * This includes a SecureStore class with TDBStore over FlashIAPBlockdevice
+ * in the internal memory and an external FileSysteStore. If blockdevice and filesystem not set,
+ * the system will use the default block device and default filesystem
+ * The following is a list of configuration parameter:
+ * MBED_CONF_STORAGE_FILESYSTEM_RBP_INTERNAL_SIZE - Size of the internal FlashIAPBlockDevice and by
+ * default is set to from start address to the end of the flash.
+ * If start address is 0 the start address will be set to end of
+ * flash - rbp_internal_size.
+ * MBED_CONF_STORAGE_FILESYSTEM_INTERNAL_BASE_ADDRESS - The satrt address of the internal FlashIAPBlockDevice.
+ * MBED_CONF_STORAGE_FILESYSTEM_FILESYSTEM - Allowed values are: default, FAT or LITTLE
+ * MBED_CONF_STORAGE_FILESYSTEM_BLOCKDEVICE - Allowed values are: default, SPIF, DATAFASH, QSPIF or SD
+ * MBED_CONF_STORAGE_FILESYSTEM_EXTERNAL_SIZE - External Blockdevice size in bytes or NULL for max possible size.
+ * MBED_CONF_STORAGE_FILESYSTEM_EXTERNAL_BASE_ADDRESS - The block device start address.
+ * MBED_CONF_STORAGE_FILESYSTEM_MOUNT_POINT - Where to mount the filesystem
+ * MBED_CONF_STORAGE_FILESYSTEM_FOLDER_PATH - The working folder paths
+ *
+ * @returns 0 on success or negative value on failure.
+ */
+int _storage_config_FILESYSTEM();
+
+/**
+ * @brief This function initialize a FILESYSTEM_NO_RBP memory secure storage with no
+ * rollback protection. This includes a SecureStore class an external FileSysteStore over a default
+ * filesystem with default blockdevice unless differently configured.
+ * The following is a list of configuration parameter:
+ * MBED_CONF_STORAGE_FILESYSTEM_NO_RBP_FILESYSTEM - Allowed values are: default, FAT or LITTLE
+ * MBED_CONF_STORAGE_FILESYSTEM_NO_RBP_BLOCKDEVICE - Allowed values are: default, SPIF, DATAFASH, QSPIF or SD
+ * MBED_CONF_STORAGE_FILESYSTEM_NO_RBP_EXTERNAL_SIZE - Blockdevice size in bytes. or NULL for max possible size.
+ * MBED_CONF_STORAGE_FILESYSTEM_NO_RBP_EXTERNAL_BASE_ADDRESS - The block device start address.
+ * MBED_CONF_STORAGE_FILESYSTEM_NO_RBP_MOUNT_POINT - Where to mount the filesystem
+ * MBED_CONF_STORAGE_FILESYSTEM_NO_RBP_FOLDER_PATH - The working folder paths
+ *
+ * @returns 0 on success or negative value on failure.
+ */
+int _storage_config_FILESYSTEM_NO_RBP();
+
+int _storage_config_tdb_external_common();
+int _storage_config_filesystem_common();
+
+static const char *filesystemstore_folder_path = NULL;
+
+using namespace mbed;
+
+
+static SingletonPtr<PlatformMutex> mutex;
+static bool is_kv_config_initialize = false;
+static kvstore_config_t kvstore_config;
+
+#define INTERNAL_BLOCKDEVICE_NAME FLASHIAP
+
+#define STR_EXPAND(tok) #tok
+#define STR(tok) STR_EXPAND(tok)
+
+#define _GET_FILESYSTEM_concat(dev, ...) _get_filesystem_##dev(__VA_ARGS__)
+#define GET_FILESYSTEM(dev, ...) _GET_FILESYSTEM_concat(dev, __VA_ARGS__)
+
+#define _GET_BLOCKDEVICE_concat(dev, ...) _get_blockdevice_##dev(__VA_ARGS__)
+#define GET_BLOCKDEVICE(dev, ...) _GET_BLOCKDEVICE_concat(dev, __VA_ARGS__)
+
+static inline uint32_t align_up(uint64_t val, uint64_t size)
+{
+ return (((val - 1) / size) + 1) * size;
+}
+
+static inline uint32_t align_down(uint64_t val, uint64_t size)
+{
+ return (((val) / size)) * size;
+}
+
+int _calculate_blocksize_match_tdbstore(BlockDevice *bd)
+{
+ bd_size_t size = bd->size();
+ bd_size_t erase_size = bd->get_erase_size();
+ bd_size_t number_of_sector = size / erase_size;
+
+ if (number_of_sector < 2) {
+ tr_warning("KV Config: There are less than two sectors - TDBStore will not work.");
+ return -1;
+ }
+
+
+ if (number_of_sector % 2 != 0) {
+ tr_warning("KV Config: Number of sectors is not an even number. Consider changing the BlockDevice size");
+ }
+
+ return MBED_SUCCESS;
+}
+
+int _get_addresses(BlockDevice *bd, bd_addr_t start_address, bd_size_t size, bd_addr_t *out_start_addr,
+ bd_addr_t *out_end_addr)
+{
+ bd_addr_t aligned_end_address;
+ bd_addr_t end_address;
+ bd_addr_t aligned_start_address;
+
+ aligned_start_address = align_down(start_address, bd->get_erase_size(start_address));
+ if (aligned_start_address != start_address) {
+ tr_error("KV Config: Start address is not aligned. Better use %02llx", aligned_start_address);
+ return -1;
+ }
+
+ if (size == 0) {
+ (*out_start_addr) = aligned_start_address;
+ (*out_end_addr) = bd->size();
+ return 0;
+ }
+
+ end_address = start_address + size;
+ aligned_end_address = align_up(end_address, bd->get_erase_size(end_address));
+ if (aligned_end_address != end_address) {
+ tr_error("KV Config: End address is not aligned. Consider changing the size parameter.");
+ return -1;
+ }
+
+ if (aligned_end_address > bd->size()) {
+ tr_error("KV Config: End address is out of boundaries");
+ return -1;
+ }
+
+ (*out_start_addr) = aligned_start_address;
+ (*out_end_addr) = aligned_end_address;
+ return 0;
+}
+
+FileSystem *_get_filesystem_FAT(const char *mount)
+{
+ static FATFileSystem sdcard(mount);
+ return &sdcard;
+
+}
+
+FileSystem *_get_filesystem_LITTLE(const char *mount)
+{
+ static LittleFileSystem flash(mount);
+ return &flash;
+}
+
+FileSystemStore *_get_file_system_store(FileSystem *fs)
+{
+ static FileSystemStore fss(fs);
+ return &fss;
+}
+
+FileSystem *_get_filesystem_default(const char *mount)
+{
+#if COMPONENT_QSPIF || COMPONENT_SPIF || COMPONENT_DATAFLASH
+ return _get_filesystem_LITTLE(mount);
+#elif (COMPONENT_SD || COMPONENT_RZ_SDHI)
+ return _get_filesystem_FAT(mount);
+#else
+ return NULL;
+#endif
+}
+
+//Calculates the start address of FLASHIAP block device for TDB_INTERNAL profile.
+//If possible, the address will start 2 sectors after the end of code sector allowing
+//some space for an application update.
+int _get_flashiap_bd_default_addresses_tdb_internal(bd_addr_t *start_address, bd_size_t *size)
+{
+#if COMPONENT_FLASHIAP
+
+ FlashIAP flash;
+
+ if (*start_address != 0 || *size != 0) {
+ return MBED_ERROR_INVALID_ARGUMENT;
+ }
+
+ //If default values are set, we should get the maximum available size of internal bd.
+ if (flash.init() != 0) {
+ return MBED_ERROR_FAILED_OPERATION;
+ }
+
+ *start_address = align_up(FLASHIAP_APP_ROM_END_ADDR, flash.get_sector_size(FLASHIAP_APP_ROM_END_ADDR));
+
+ // Give the application a couple of spare sectors to grow (if there are such)
+ bd_size_t spare_size_for_app = 0;
+ bd_addr_t curr_addr = *start_address;
+ bd_addr_t flash_end_address = flash.get_flash_start() + flash.get_flash_size();
+
+ int spare_sectors_for_app = 2;
+ int min_sectors_for_storage = 2;
+ for (int i = 0; i < spare_sectors_for_app + min_sectors_for_storage - 1; i++) {
+ bd_size_t sector_size = flash.get_sector_size(curr_addr);
+ curr_addr += sector_size;
+ if (curr_addr >= flash_end_address) {
+ spare_size_for_app = 0;
+ break;
+ }
+
+ if (i < spare_sectors_for_app) {
+ spare_size_for_app += sector_size;
+ }
+ }
+ *start_address += spare_size_for_app;
+
+ flash.deinit();
+
+#endif
+
+ return MBED_SUCCESS;
+}
+
+//Calculates address and size for FLASHIAP block device in TDB_EXTERNAL and FILESYSTEM profiles.
+//The size of the block device will be 2 sectors at the ends of the internal flash for
+//the use of the rbp internal TDBStore.
+int _get_flashiap_bd_default_addresses_rbp(bd_addr_t *start_address, bd_size_t *size)
+{
+#if COMPONENT_FLASHIAP
+
+ bd_addr_t flash_end_address;
+ bd_addr_t flash_start_address;
+ bd_addr_t aligned_start_address;
+ bd_addr_t flash_first_writable_sector_address;
+ FlashIAP flash;
+
+ if (*start_address != 0 || *size != 0) {
+ return MBED_ERROR_INVALID_ARGUMENT;
+ }
+
+ int ret = flash.init();
+ if (ret != 0) {
+ return MBED_ERROR_INITIALIZATION_FAILED;
+ }
+
+ flash_first_writable_sector_address = align_up(FLASHIAP_APP_ROM_END_ADDR, flash.get_sector_size(FLASHIAP_APP_ROM_END_ADDR));
+ flash_start_address = flash.get_flash_start();
+ flash_end_address = flash_start_address + flash.get_flash_size();;
+ *start_address = flash_end_address - 1;
+ aligned_start_address = align_down(*start_address, flash.get_sector_size(*start_address));
+ *size = (flash_end_address - aligned_start_address) * 2;
+ *start_address = (flash_end_address - *size);
+ aligned_start_address = align_down(*start_address, flash.get_sector_size(*start_address));
+
+ flash.deinit();
+
+ if (aligned_start_address < flash_first_writable_sector_address) {
+ tr_error("KV Config: Internal block device start address overlapped ROM address ");
+ return MBED_ERROR_INITIALIZATION_FAILED;
+ }
+
+#endif
+
+ return MBED_SUCCESS;
+
+}
+
+BlockDevice *_get_blockdevice_FLASHIAP(bd_addr_t start_address, bd_size_t size)
+{
+#if COMPONENT_FLASHIAP
+
+ bd_addr_t flash_end_address;
+ bd_addr_t flash_start_address;
+ bd_addr_t flash_first_writable_sector_address;
+ bd_addr_t aligned_start_address;
+ bd_addr_t aligned_end_address;
+ bd_addr_t end_address;
+ FlashIAP flash;
+
+ int ret = flash.init();
+ if (ret != 0) {
+ return NULL;
+ }
+
+ //Get flash parameters before starting
+ flash_first_writable_sector_address = align_up(FLASHIAP_APP_ROM_END_ADDR, flash.get_sector_size(FLASHIAP_APP_ROM_END_ADDR));
+ flash_start_address = flash.get_flash_start();
+ flash_end_address = flash_start_address + flash.get_flash_size();;
+
+ //Non default configuration
+ if (start_address != 0) {
+
+ aligned_start_address = align_down(start_address, flash.get_sector_size(start_address));
+ if (start_address != aligned_start_address) {
+ tr_error("KV Config: Internal block device start address is not aligned. Better use %02llx", aligned_start_address);
+ flash.deinit();
+ return NULL;
+ }
+
+ if (size == 0) {
+ //The block device will have all space form start address to the end of the flash
+ size = (flash_end_address - start_address);
+
+ static FlashIAPBlockDevice bd(start_address, size);
+ flash.deinit();
+ return &bd;
+ }
+
+ if (size != 0) {
+ end_address = start_address + size;
+ if (end_address > flash_end_address) {
+ tr_error("KV Config: Internal block device end address is out of boundaries");
+ flash.deinit();
+ return NULL;
+ }
+
+ aligned_end_address = align_up(end_address, flash.get_sector_size(end_address - 1));
+ if (end_address != aligned_end_address) {
+ tr_error("KV Config: Internal block device start address is not aligned. Consider changing the size parameter");
+ flash.deinit();
+ return NULL;
+ }
+
+ static FlashIAPBlockDevice bd(start_address, size);
+ flash.deinit();
+ return &bd;
+ }
+ }
+
+ //Non default configuration start_address = 0
+ start_address = flash_end_address - size;
+ aligned_start_address = align_down(start_address, flash.get_sector_size(start_address));
+ if (start_address != aligned_start_address) {
+ tr_error("KV Config: Internal block device start address is not aligned. Consider changing the size parameter");
+ flash.deinit();
+ return NULL;
+ }
+
+ flash.deinit();
+
+ if (aligned_start_address < flash_first_writable_sector_address) {
+ tr_error("KV Config: Internal block device start address overlapped ROM address ");
+ return NULL;
+ }
+ static FlashIAPBlockDevice bd(aligned_start_address, size);
+ return &bd;
+
+#else
+ return NULL;
+#endif
+}
+
+BlockDevice *_get_blockdevice_SPIF(bd_addr_t start_address, bd_size_t size)
+{
+#if COMPONENT_SPIF
+
+ bd_addr_t aligned_end_address;
+ bd_addr_t aligned_start_address;
+
+ static SPIFBlockDevice bd(
+ MBED_CONF_SPIF_DRIVER_SPI_MOSI,
+ MBED_CONF_SPIF_DRIVER_SPI_MISO,
+ MBED_CONF_SPIF_DRIVER_SPI_CLK,
+ MBED_CONF_SPIF_DRIVER_SPI_CS,
+ MBED_CONF_SPIF_DRIVER_SPI_FREQ
+ );
+
+ if (bd.init() != MBED_SUCCESS) {
+ tr_error("KV Config: SPIFBlockDevice init fail");
+ return NULL;
+ }
+
+ if (start_address == 0 && size == 0) {
+ return &bd;
+ }
+
+ //If address and size were specified use SlicingBlockDevice to get the correct block device size and start address.
+ if (_get_addresses(&bd, start_address, size, &aligned_start_address, &aligned_end_address) != 0) {
+ tr_error("KV Config: Fail to get addresses for SlicingBlockDevice.");
+ return NULL;
+ }
+
+ static SlicingBlockDevice sbd(&bd, aligned_start_address, aligned_end_address);
+ return &sbd;
+
+#else
+ return NULL;
+#endif
+}
+
+BlockDevice *_get_blockdevice_QSPIF(bd_addr_t start_address, bd_size_t size)
+{
+#if COMPONENT_QSPIF
+
+ bd_addr_t aligned_end_address;
+ bd_addr_t aligned_start_address;
+
+ static QSPIFBlockDevice bd(
+ QSPI_FLASH1_IO0,
+ QSPI_FLASH1_IO1,
+ QSPI_FLASH1_IO2,
+ QSPI_FLASH1_IO3,
+ QSPI_FLASH1_SCK,
+ QSPI_FLASH1_CSN,
+ QSPIF_POLARITY_MODE_0,
+ MBED_CONF_QSPIF_QSPI_FREQ
+ );
+
+ if (bd.init() != MBED_SUCCESS) {
+ tr_error("KV Config: QSPIFBlockDevice init fail");
+ return NULL;
+ }
+
+ if (start_address == 0 && size == 0) {
+ return &bd;
+ }
+
+ //If address and size were specified use SlicingBlockDevice to get the correct block device size and start address.
+ if (_get_addresses(&bd, start_address, size, &aligned_start_address, &aligned_end_address) != 0) {
+ tr_error("KV Config: Fail to get addresses for SlicingBlockDevice.");
+ return NULL;
+ }
+
+ static SlicingBlockDevice sbd(&bd, aligned_start_address, aligned_end_address);
+ return &sbd;
+
+#else
+ return NULL;
+#endif
+}
+
+BlockDevice *_get_blockdevice_DATAFLASH(bd_addr_t start_address, bd_size_t size)
+{
+#if COMPONENT_DATAFLASH
+
+ bd_addr_t aligned_end_address;
+ bd_addr_t aligned_start_address;
+
+ static DataFlashBlockDevice bd(
+ MBED_CONF_DATAFLASH_SPI_MOSI,
+ MBED_CONF_DATAFLASH_SPI_MISO,
+ MBED_CONF_DATAFLASH_SPI_CLK,
+ MBED_CONF_DATAFLASH_SPI_CS
+ );
+
+ if (bd.init() != MBED_SUCCESS) {
+ tr_error("KV Config: DataFlashBlockDevice init fail");
+ return NULL;
+ }
+
+ if (start_address == 0 && size == 0) {
+ return &bd;
+ }
+
+ //If address and size were specified use SlicingBlockDevice to get the correct block device size and start address.
+ if (_get_addresses(&bd, start_address, size, &aligned_start_address, &aligned_end_address) != 0) {
+ tr_error("KV Config: Fail to get addresses for SlicingBlockDevice.");
+ return NULL;
+ }
+
+ static SlicingBlockDevice sbd(&bd, aligned_start_address, aligned_end_address);
+ return &sbd;
+
+
+#else
+ return NULL;
+#endif
+}
+
+BlockDevice *_get_blockdevice_SD(bd_addr_t start_address, bd_size_t size)
+{
+#if COMPONENT_SD
+
+ bd_addr_t aligned_end_address;
+ bd_addr_t aligned_start_address;
+
+ static SDBlockDevice bd(
+ MBED_CONF_SD_SPI_MOSI,
+ MBED_CONF_SD_SPI_MISO,
+ MBED_CONF_SD_SPI_CLK,
+ MBED_CONF_SD_SPI_CS
+ );
+
+ if (bd.init() != MBED_SUCCESS) {
+ tr_error("KV Config: SDBlockDevice init fail");
+ return NULL;
+ }
+
+ if (strcmp(STR(MBED_CONF_STORAGE_STORAGE_TYPE), "TDB_EXTERNAL_NO_RBP") == 0 ||
+ strcmp(STR(MBED_CONF_STORAGE_STORAGE_TYPE), "TDB_EXTERNAL") == 0) {
+ //In TDBStore profile, we have a constraint of 4GByte
+ if (start_address == 0 && size == 0 && bd.size() < (uint32_t)(-1)) {
+ return &bd;
+ }
+
+ //If the size of external storage is bigger than 4G we need to slice it.
+ size = size != 0 ? size : align_down(bd.size(), bd.get_erase_size(bd.size() - 1));
+
+ if (_get_addresses(&bd, start_address, size, &aligned_start_address, &aligned_end_address) != 0) {
+ tr_error("KV Config: Fail to get addresses for SlicingBlockDevice.");
+ return NULL;
+ }
+
+ if (aligned_end_address - aligned_start_address != (uint32_t)(aligned_end_address - aligned_start_address)) {
+ aligned_end_address = aligned_start_address + (uint32_t)(-1);//Support up to 4G only
+ }
+ } else {
+ //For all other KVStore profiles beside TDBStore we take the entire external memory space.
+ if (start_address == 0 && size == 0) {
+ return &bd;
+ }
+
+ if (_get_addresses(&bd, start_address, size, &aligned_start_address, &aligned_end_address) != 0) {
+ tr_error("KV Config: Fail to get addresses for SlicingBlockDevice.");
+ return NULL;
+ }
+ }
+
+ aligned_end_address = align_down(aligned_end_address, bd.get_erase_size(aligned_end_address));
+ static SlicingBlockDevice sbd(&bd, aligned_start_address, aligned_end_address);
+ return &sbd;
+
+#else
+ return NULL;
+#endif
+}
+
+BlockDevice *_get_blockdevice_RZ_SDHI(bd_addr_t start_address, bd_size_t size)
+{
+#if COMPONENT_RZ_SDHI
+
+ bd_addr_t aligned_end_address;
+ bd_addr_t aligned_start_address;
+
+ static SDHIBlockDevice bd(MBED_CONF_RZ_SDHI_CH);
+
+ if (bd.init() != MBED_SUCCESS) {
+ tr_error("KV Config: SDBlockDevice init fail");
+ return NULL;
+ }
+
+ if (strcmp(STR(MBED_CONF_STORAGE_STORAGE_TYPE), "TDB_EXTERNAL_NO_RBP") == 0 ||
+ strcmp(STR(MBED_CONF_STORAGE_STORAGE_TYPE), "TDB_EXTERNAL") == 0) {
+ //In TDBStore profile, we have a constraint of 4GByte
+ if (start_address == 0 && size == 0 && bd.size() < (uint32_t)(-1)) {
+ return &bd;
+ }
+
+ //If the size of external storage is bigger than 4G we need to slice it.
+ size = size != 0 ? size : align_down(bd.size(), bd.get_erase_size(bd.size() - 1));
+
+ if (_get_addresses(&bd, start_address, size, &aligned_start_address, &aligned_end_address) != 0) {
+ tr_error("KV Config: Fail to get addresses for SlicingBlockDevice.");
+ return NULL;
+ }
+
+ if (aligned_end_address - aligned_start_address != (uint32_t)(aligned_end_address - aligned_start_address)) {
+ aligned_end_address = aligned_start_address + (uint32_t)(-1);//Support up to 4G only
+ }
+ } else {
+ //For all other KVStore profiles beside TDBStore we take the entire external memory space.
+ if (start_address == 0 && size == 0) {
+ return &bd;
+ }
+
+ if (_get_addresses(&bd, start_address, size, &aligned_start_address, &aligned_end_address) != 0) {
+ tr_error("KV Config: Fail to get addresses for SlicingBlockDevice.");
+ return NULL;
+ }
+ }
+
+ aligned_end_address = align_down(aligned_end_address, bd.get_erase_size(aligned_end_address));
+ static SlicingBlockDevice sbd(&bd, aligned_start_address, aligned_end_address);
+ return &sbd;
+
+#else
+ return NULL;
+#endif
+}
+
+BlockDevice *_get_blockdevice_default(bd_addr_t start_address, bd_size_t size)
+{
+#if COMPONENT_QSPIF
+ return _get_blockdevice_QSPIF(start_address, size);
+#elif COMPONENT_SPIF
+ return _get_blockdevice_SPIF(start_address, size);
+#elif COMPONENT_DATAFLASH
+ return _get_blockdevice_DATAFLASH(start_address, size);
+#elif COMPONENT_SD
+ return _get_blockdevice_SD(start_address, size);
+#elif COMPONENT_RZ_SDHI
+ return _get_blockdevice_RZ_SDHI(start_address, size);
+#else
+ tr_error("KV Config: No default component define in target.json for this target.");
+ return NULL;
+#endif
+}
+
+int _storage_config_TDB_INTERNAL()
+{
+#if COMPONENT_FLASHIAP
+ bd_size_t internal_size = MBED_CONF_STORAGE_TDB_INTERNAL_INTERNAL_SIZE;
+ bd_addr_t internal_start_address = MBED_CONF_STORAGE_TDB_INTERNAL_INTERNAL_BASE_ADDRESS;
+
+ if (internal_size == 0 && internal_start_address == 0) {
+ //Calculate the block device size and start address in case default values are used.
+ if (_get_flashiap_bd_default_addresses_tdb_internal(&internal_start_address, &internal_size) != MBED_SUCCESS) {
+ return MBED_ERROR_FAILED_OPERATION;
+ }
+ }
+
+ //Get internal memory FLASHIAP block device.
+ kvstore_config.internal_bd = GET_BLOCKDEVICE(INTERNAL_BLOCKDEVICE_NAME, internal_start_address, internal_size);
+ if (kvstore_config.internal_bd == NULL) {
+ tr_error("KV Config: Fail to get internal BlockDevice.");
+ return MBED_ERROR_FAILED_OPERATION;
+ }
+
+
+ int ret = kvstore_config.internal_bd->init();
+ if (ret != MBED_SUCCESS) {
+ tr_error("KV Config: Fail to init internal BlockDevice.");
+ return MBED_ERROR_FAILED_OPERATION;
+ }
+
+ //Check that internal flash has 2 or more sectors
+ if (_calculate_blocksize_match_tdbstore(kvstore_config.internal_bd) != MBED_SUCCESS) {
+ tr_error("KV Config: Can not create TDBStore with less then 2 sector.");
+ return MBED_ERROR_INVALID_ARGUMENT;
+ }
+
+ //Deinitialize internal block device and TDB will reinitialize and take control on it.
+ ret = kvstore_config.internal_bd->deinit();
+ if (ret != MBED_SUCCESS) {
+ tr_error("KV Config: Fail to deinit internal BlockDevice.");
+ return MBED_ERROR_FAILED_OPERATION;
+ }
+
+ //Create a TDBStore in the internal FLASHIAP block device.
+ static TDBStore tdb_internal(kvstore_config.internal_bd);
+ kvstore_config.internal_store = &tdb_internal;
+
+ ret = kvstore_config.internal_store->init();
+ if (ret != MBED_SUCCESS) {
+ tr_error("KV Config: Fail to init internal TDBStore.");
+ return ret;
+ }
+ kvstore_config.kvstore_main_instance =
+ kvstore_config.internal_store;
+
+ //Masking flag - Actually used to remove any KVStore flag which is not supported
+ //in the chosen KVStore profile.
+ kvstore_config.flags_mask = ~(KVStore::REQUIRE_CONFIDENTIALITY_FLAG |
+ KVStore::REQUIRE_REPLAY_PROTECTION_FLAG);
+
+ //Initialize kv_map and add the configuration struct to KVStore map.
+ KVMap &kv_map = KVMap::get_instance();
+ ret = kv_map.init();
+ if (MBED_SUCCESS != ret) {
+ tr_error("KV Config: Fail to init KVStore global API.");
+ return ret;
+ }
+
+ ret = kv_map.attach(STR(MBED_CONF_STORAGE_DEFAULT_KV), &kvstore_config);
+ if (MBED_SUCCESS != ret) {
+ tr_error("KV Config: Fail to attach KVStore main instance to KVStore global API.");
+ return ret;
+ }
+ return MBED_SUCCESS;
+#else
+ return MBED_ERROR_UNSUPPORTED;
+#endif
+
+}
+
+int _storage_config_TDB_EXTERNAL()
+{
+#if !SECURESTORE_ENABLED
+ return MBED_ERROR_UNSUPPORTED;
+#endif
+
+ bd_size_t internal_rbp_size = MBED_CONF_STORAGE_TDB_EXTERNAL_RBP_INTERNAL_SIZE;
+ bd_addr_t internal_start_address = MBED_CONF_STORAGE_TDB_EXTERNAL_INTERNAL_BASE_ADDRESS;
+
+ //Get the default address and size for internal rbp TDBStore
+ if (internal_rbp_size == 0 && internal_start_address == 0) {
+ //Calculate the block device size and start address in case default values are used.
+ if (_get_flashiap_bd_default_addresses_rbp(&internal_start_address, &internal_rbp_size) != MBED_SUCCESS) {
+ return MBED_ERROR_FAILED_OPERATION;
+ }
+ }
+
+ //Create internal FLASHIAP block device
+ kvstore_config.internal_bd = GET_BLOCKDEVICE(INTERNAL_BLOCKDEVICE_NAME, internal_start_address, internal_rbp_size);
+ if (kvstore_config.internal_bd == NULL) {
+ tr_error("KV Config: Fail to get internal BlockDevice.");
+ return MBED_ERROR_FAILED_OPERATION ;
+ }
+
+ int ret = kvstore_config.internal_bd->init();
+ if (ret != MBED_SUCCESS) {
+ tr_error("KV Config: Fail to init internal BlockDevice.");
+ return MBED_ERROR_FAILED_OPERATION ;
+ }
+
+ //Check if TDBStore has at least 2 sector.
+ if (_calculate_blocksize_match_tdbstore(kvstore_config.internal_bd) != MBED_SUCCESS) {
+ tr_error("KV Config: Can not create TDBStore with less then 2 sector.");
+ return MBED_ERROR_INVALID_ARGUMENT;
+ }
+
+ //Create internal TDBStore
+ static TDBStore tdb_internal(kvstore_config.internal_bd);
+ kvstore_config.internal_store = &tdb_internal;
+
+ ret = kvstore_config.internal_store->init();
+ if (ret != MBED_SUCCESS) {
+ tr_error("KV Config: Fail to init internal TDBStore.");
+ return ret;
+ }
+
+ bd_size_t size = MBED_CONF_STORAGE_TDB_EXTERNAL_EXTERNAL_SIZE;
+ bd_addr_t address = MBED_CONF_STORAGE_TDB_EXTERNAL_EXTERNAL_BASE_ADDRESS;
+
+ //Get external BlockDevice for TDBStore
+ BlockDevice *bd = GET_BLOCKDEVICE(MBED_CONF_STORAGE_TDB_EXTERNAL_BLOCKDEVICE, address, size);
+ if (bd == NULL) {
+ tr_error("KV Config: Fail to get external BlockDevice.");
+ return MBED_ERROR_FAILED_OPERATION ;
+ }
+
+ //TDBStore needs a block device base on flash. so if this is SD block device or the default block device is SD
+ //add FlashSimBlockDevice on top of the SDBlockDevice
+#if defined(COMPONENT_SD) || defined(COMPONENT_RZ_SDHI)
+ if (strcmp(STR(MBED_CONF_STORAGE_TDB_EXTERNAL_BLOCKDEVICE), "SD") == 0
+#if (defined(COMPONENT_SD) || defined(COMPONENT_RZ_SDHI))&& !defined(COMPONENT_SPIF) && !defined(COMPONENT_QSPIF) && !defined(COMPONENT_DATAFLASH)
+ || strcmp(STR(MBED_CONF_STORAGE_TDB_EXTERNAL_BLOCKDEVICE), "default") == 0) {
+#else
+ ) {
+
+#endif
+ //TDBStore need FlashSimBlockDevice when working with SD block device
+ if (bd->init() != MBED_SUCCESS) {
+ tr_error("KV Config: Fail to init external BlockDevice.");
+ return MBED_ERROR_FAILED_OPERATION ;
+ }
+
+ static FlashSimBlockDevice flash_bd(bd);
+ kvstore_config.external_bd = &flash_bd;
+ } else {
+ kvstore_config.external_bd = bd;
+ }
+#else
+ kvstore_config.external_bd = bd;
+#endif
+
+ kvstore_config.flags_mask = ~(0);
+
+ return _storage_config_tdb_external_common();
+}
+
+int _storage_config_TDB_EXTERNAL_NO_RBP()
+{
+#if !SECURESTORE_ENABLED
+ return MBED_ERROR_UNSUPPORTED;
+#endif
+ bd_size_t size = MBED_CONF_STORAGE_TDB_EXTERNAL_NO_RBP_EXTERNAL_SIZE;
+ bd_addr_t address = MBED_CONF_STORAGE_TDB_EXTERNAL_NO_RBP_EXTERNAL_BASE_ADDRESS;
+
+ //Get external block device
+ BlockDevice *bd = GET_BLOCKDEVICE(MBED_CONF_STORAGE_TDB_EXTERNAL_NO_RBP_BLOCKDEVICE, address, size);
+ if (bd == NULL) {
+ tr_error("KV Config: Fail to get external BlockDevice.");
+ return MBED_ERROR_FAILED_OPERATION ;
+ }
+
+ //TDBStore needs a block device base on flash. so if this is SD block device or the default block device is SD
+ //add FlashSimBlockDevice on top of the SDBlockDevice
+#if defined(COMPONENT_SD) || defined(COMPONENT_RZ_SDHI)
+ if (strcmp(STR(MBED_CONF_STORAGE_TDB_EXTERNAL_NO_RBP_BLOCKDEVICE), "SD") == 0
+#if (defined(COMPONENT_SD) || defined(COMPONENT_RZ_SDHI)) && !defined(COMPONENT_SPIF) && !defined(COMPONENT_QSPIF) && !defined(COMPONENT_DATAFLASH)
+ || strcmp(STR(MBED_CONF_STORAGE_TDB_EXTERNAL_NO_RBP_BLOCKDEVICE), "default") == 0) {
+#else
+ ) {
+
+#endif
+ //TDBStore need FlashSimBlockDevice when working with SD block device
+ if (bd->init() != MBED_SUCCESS) {
+ tr_error("KV Config: Fail to init external BlockDevice.");
+ return MBED_ERROR_FAILED_OPERATION ;
+ }
+
+ static FlashSimBlockDevice flash_bd(bd);
+ kvstore_config.external_bd = &flash_bd;
+ } else {
+ kvstore_config.external_bd = bd;
+ }
+#else
+ kvstore_config.external_bd = bd;
+#endif
+
+ //Masking flag - Actually used to remove any KVStore flag which is not supported
+ //in the chosen KVStore profile.
+ kvstore_config.flags_mask = ~(KVStore::REQUIRE_REPLAY_PROTECTION_FLAG);
+
+ return _storage_config_tdb_external_common();
+}
+
+int _storage_config_tdb_external_common()
+{
+#if SECURESTORE_ENABLED
+ //Initialize external block device
+ int ret = kvstore_config.external_bd->init();
+ if (ret != MBED_SUCCESS) {
+ tr_error("KV Config: Fail to init external BlockDevice.");
+ return MBED_ERROR_FAILED_OPERATION ;
+ }
+
+ //Check that there is at least 2 sector for the external TDBStore
+ if (_calculate_blocksize_match_tdbstore(kvstore_config.external_bd) != MBED_SUCCESS) {
+ tr_error("KV Config: Can not create TDBStore with less then 2 sector.");
+ return MBED_ERROR_INVALID_SIZE;
+ }
+
+ //Create external TDBStore
+ static TDBStore tdb_external(kvstore_config.external_bd);
+ kvstore_config.external_store = &tdb_external;
+
+ //Create SecureStore and initialize it
+ static SecureStore secst(kvstore_config.external_store, kvstore_config.internal_store);
+
+ ret = secst.init();
+ if (ret != MBED_SUCCESS) {
+ tr_error("KV Config: Fail to init SecureStore.");
+ return ret ;
+ }
+
+ kvstore_config.kvstore_main_instance = &secst;
+
+ //Init kv_map and add the configuration struct to KVStore map.
+ KVMap &kv_map = KVMap::get_instance();
+ ret = kv_map.init();
+ if (MBED_SUCCESS != ret) {
+ tr_error("KV Config: Fail to init KVStore global API");
+ return ret;
+ }
+
+ ret = kv_map.attach(STR(MBED_CONF_STORAGE_DEFAULT_KV), &kvstore_config);
+ if (MBED_SUCCESS != ret) {
+ tr_error("KV Config: Fail to attach KvStore main instance to KVStore global API");
+ return ret;
+ }
+
+ return MBED_SUCCESS;
+#else
+ return MBED_ERROR_UNSUPPORTED;
+#endif
+}
+
+int _storage_config_FILESYSTEM()
+{
+#if !SECURESTORE_ENABLED
+ return MBED_ERROR_UNSUPPORTED;
+#endif
+
+ filesystemstore_folder_path = STR(MBED_CONF_STORAGE_FILESYSTEM_FOLDER_PATH);
+
+ bd_size_t internal_rbp_size = MBED_CONF_STORAGE_FILESYSTEM_RBP_INTERNAL_SIZE;
+ bd_addr_t internal_start_address = MBED_CONF_STORAGE_FILESYSTEM_INTERNAL_BASE_ADDRESS;
+
+ //Get the default address and size for internal rbp TDBStore
+ if (internal_rbp_size == 0 && internal_start_address == 0) {
+ //Calculate the block device size and start address in case default values are used.
+ if (_get_flashiap_bd_default_addresses_rbp(&internal_start_address, &internal_rbp_size) != MBED_SUCCESS) {
+ return MBED_ERROR_FAILED_OPERATION;
+ }
+ }
+
+ //Get internal FLASHIAP block device
+ kvstore_config.internal_bd = GET_BLOCKDEVICE(INTERNAL_BLOCKDEVICE_NAME, internal_start_address, internal_rbp_size);
+ if (kvstore_config.internal_bd == NULL) {
+ tr_error("KV Config: Fail to get internal BlockDevice ");
+ return MBED_ERROR_FAILED_OPERATION ;
+ }
+
+ int ret = kvstore_config.internal_bd->init();
+ if (ret != MBED_SUCCESS) {
+ tr_error("KV Config: Fail to init internal BlockDevice ");
+ return MBED_ERROR_FAILED_OPERATION ;
+ }
+
+ //Check that internal flash has 2 or more sectors
+ if (_calculate_blocksize_match_tdbstore(kvstore_config.internal_bd) != MBED_SUCCESS) {
+ tr_error("KV Config: Can not create TDBStore with less then 2 sector.");
+ return MBED_ERROR_INVALID_ARGUMENT;
+ }
+
+ //Deinitialize internal block device and TDB will reinitialize and take control on it.
+ ret = kvstore_config.internal_bd->deinit();
+ if (ret != MBED_SUCCESS) {
+ tr_error("KV Config: Fail to deinit internal BlockDevice.");
+ return MBED_ERROR_FAILED_OPERATION;
+ }
+
+ //Create internal TDBStore for rbp
+ static TDBStore tdb_internal(kvstore_config.internal_bd);
+ kvstore_config.internal_store = &tdb_internal;
+
+ ret = kvstore_config.internal_store->init();
+ if (ret != MBED_SUCCESS) {
+ tr_error("KV Config: Fail to init internal TDBStore");
+ return ret;
+ }
+
+ bd_size_t size = MBED_CONF_STORAGE_FILESYSTEM_EXTERNAL_SIZE;
+ bd_addr_t address = MBED_CONF_STORAGE_FILESYSTEM_EXTERNAL_BASE_ADDRESS;
+ const char *mount_point = STR(MBED_CONF_STORAGE_FILESYSTEM_MOUNT_POINT);
+
+ //Get external block device for FileSystem.
+ kvstore_config.external_bd = GET_BLOCKDEVICE(MBED_CONF_STORAGE_FILESYSTEM_BLOCKDEVICE, address, size);
+ if (kvstore_config.external_bd == NULL) {
+ tr_error("KV Config: Fail to get external BlockDevice ");
+ return MBED_ERROR_FAILED_OPERATION ;
+ }
+
+ ret = kvstore_config.external_bd->init();
+ if (MBED_SUCCESS != ret) {
+ tr_error("KV Config: Fail to init external BlockDevice ");
+ return MBED_ERROR_FAILED_OPERATION ;
+ }
+
+ //Get FileSystem. Can be FAT, LITTLE or default. in case of default, the type will be decided base on the default
+ //component block device configured in the system. The priority is:
+ //QSPI -> SPI -> DATAFLASH == LITTLE
+ //SD == FAT
+ kvstore_config.external_fs = GET_FILESYSTEM(MBED_CONF_STORAGE_FILESYSTEM_FILESYSTEM, mount_point);
+ if (kvstore_config.external_fs == NULL) {
+ tr_error("KV Config: Fail to get FileSystem");
+ return MBED_ERROR_FAILED_OPERATION ;
+ }
+
+ kvstore_config.flags_mask = ~(0);
+
+ return _storage_config_filesystem_common();
+}
+
+int _storage_config_FILESYSTEM_NO_RBP()
+{
+#if !SECURESTORE_ENABLED
+ return MBED_ERROR_UNSUPPORTED;
+#endif
+
+ filesystemstore_folder_path = STR(MBED_CONF_STORAGE_FILESYSTEM_NO_RBP_FOLDER_PATH);
+
+ bd_size_t size = MBED_CONF_STORAGE_FILESYSTEM_NO_RBP_EXTERNAL_SIZE;
+ bd_addr_t address = MBED_CONF_STORAGE_FILESYSTEM_NO_RBP_EXTERNAL_BASE_ADDRESS;
+ const char *mount_point = STR(MBED_CONF_STORAGE_FILESYSTEM_NO_RBP_MOUNT_POINT);
+
+ //Get external block device for FileSystem.
+ kvstore_config.external_bd = GET_BLOCKDEVICE(MBED_CONF_STORAGE_FILESYSTEM_NO_RBP_BLOCKDEVICE, address, size);
+ if (kvstore_config.external_bd == NULL) {
+ tr_error("KV Config: Fail to get external BlockDevice ");
+ return MBED_ERROR_FAILED_OPERATION ;
+ }
+
+ int ret = kvstore_config.external_bd->init();
+ if (MBED_SUCCESS != ret) {
+ tr_error("KV Config: Fail to init external BlockDevice ");
+ return MBED_ERROR_FAILED_OPERATION ;
+ }
+
+ //Get FileSystem. Can be FAT, LITTLE or default. in case of default, the type will be decided base on the default
+ //component block device configured in the system. The priority is:
+ //QSPI -> SPI -> DATAFLASH == LITTLE
+ //SD == FAT
+ kvstore_config.external_fs = GET_FILESYSTEM(MBED_CONF_STORAGE_FILESYSTEM_NO_RBP_FILESYSTEM, mount_point);
+ if (kvstore_config.external_fs == NULL) {
+ tr_error("KV Config: Fail to get FileSystem");
+ return MBED_ERROR_FAILED_OPERATION ;
+ }
+
+ //Masking flag - Actually used to remove any KVStore flag which is not supported
+ //in the chosen KVStore profile.
+ kvstore_config.flags_mask = ~(KVStore::REQUIRE_REPLAY_PROTECTION_FLAG);
+
+ return _storage_config_filesystem_common();
+}
+
+int _storage_config_filesystem_common()
+{
+#if SECURESTORE_ENABLED
+
+ //Mount file system. if it fails, try to reformat
+ int ret = kvstore_config.external_fs->mount(kvstore_config.external_bd);
+ if (ret != MBED_SUCCESS) {
+ ret = kvstore_config.external_fs->reformat(kvstore_config.external_bd);
+ if (ret != MBED_SUCCESS) {
+ tr_error("KV Config: Fail to mount FileSystem to %s",
+ STR(MBED_CONF_STORAGE_FILESYSTEM_NO_RBP_MOUNT_POINT));
+ return MBED_ERROR_FAILED_OPERATION ;
+ }
+ }
+
+ //Create FileSystemStore
+ kvstore_config.external_store = _get_file_system_store(kvstore_config.external_fs);
+ if (kvstore_config.external_store == NULL) {
+ tr_error("KV Config: Fail to get FileSystemStore");
+ return MBED_ERROR_FAILED_OPERATION ;
+ }
+
+ //Create SecureStore and set it as main KVStore
+ static SecureStore secst(kvstore_config.external_store, kvstore_config.internal_store);
+
+ ret = secst.init();
+ if (ret != MBED_SUCCESS) {
+ tr_error("KV Config: Fail to init SecureStore.");
+ return ret; ;
+ }
+
+ kvstore_config.kvstore_main_instance = &secst;
+
+ //Init kv_map and add the configuration struct to KVStore map.
+ KVMap &kv_map = KVMap::get_instance();
+ ret = kv_map.init();
+ if (MBED_SUCCESS != ret) {
+ tr_error("KV Config: Fail to init KVStore global API");
+ return ret;
+ }
+
+ ret = kv_map.attach(STR(MBED_CONF_STORAGE_DEFAULT_KV), &kvstore_config);
+ if (MBED_SUCCESS != ret) {
+ tr_error("KV Config: Fail to attach KvStore main instance to KVStore global API");
+ return ret;
+ }
+
+ return MBED_SUCCESS;
+#else
+ return MBED_ERROR_UNSUPPORTED;
+#endif
+}
+
+int _storage_config_default()
+{
+#if COMPONENT_QSPIF || COMPONENT_SPIF || COMPONENT_DATAFLASH
+ return _storage_config_TDB_EXTERNAL();
+#elif (COMPONENT_SD || COMPONENT_RZ_SDHI)
+ return _storage_config_FILESYSTEM();
+#elif COMPONENT_FLASHIAP
+ return _storage_config_TDB_INTERNAL();
+#else
+ return MBED_ERROR_UNSUPPORTED;
+#endif
+}
+
+const char *get_filesystemstore_folder_path()
+{
+ return filesystemstore_folder_path;
+}
+
+MBED_WEAK int kv_init_storage_config()
+{
+
+ int ret = MBED_SUCCESS;
+
+ // We currently have no supported configuration without internal storage
+#ifndef COMPONENT_FLASHIAP
+ return MBED_ERROR_UNSUPPORTED;
+#endif
+
+ mutex->lock();
+
+ if (is_kv_config_initialize) {
+ goto exit;
+ }
+
+ memset(&kvstore_config, 0, sizeof(kvstore_config_t));
+
+ ret = _STORAGE_CONFIG(MBED_CONF_STORAGE_STORAGE_TYPE);
+
+ if (ret == MBED_SUCCESS) {
+ is_kv_config_initialize = true;
+ }
+
+exit:
+ mutex->unlock();
+ return ret;
+}