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luban-lite/packages/third-party/levelx/common/inc/lx_api.h
刘可亮 11c97ef399 v1.2.1
2025-07-22 11:15:46 +08:00

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/***************************************************************************
* Copyright (c) 2024 Microsoft Corporation
*
* This program and the accompanying materials are made available under the
* terms of the MIT License which is available at
* https://opensource.org/licenses/MIT.
*
* SPDX-License-Identifier: MIT
**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** LevelX Component */
/** */
/** Application Interface (API) */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* APPLICATION INTERFACE DEFINITION RELEASE */
/* */
/* lx_api.h PORTABLE C */
/* 6.4.1 */
/* AUTHOR */
/* */
/* William E. Lamie, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This file defines the basic Application Interface (API) to the */
/* high-performance LevelX. All service prototypes and data structure */
/* definitions are defined in this file. */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 05-19-2020 William E. Lamie Initial Version 6.0 */
/* 09-30-2020 William E. Lamie Modified comment(s), and */
/* updated product constants, */
/* resulting in version 6.1 */
/* 11-09-2020 William E. Lamie Modified comment(s), and */
/* added support for lx_user.h */
/* so user can specify values, */
/* resulting in version 6.1.2 */
/* 12-31-2020 William E. Lamie Modified comment(s), and */
/* updated product constants, */
/* resulting in version 6.1.3 */
/* 06-02-2021 Bhupendra Naphade Modified comment(s), */
/* added standalone support, */
/* resulting in version 6.1.7 */
/* 08-02-2021 William E. Lamie Modified comment(s), and */
/* updated product constants, */
/* resulting in version 6.1.8 */
/* 10-15-2021 Bhupendra Naphade Modified comment(s), */
/* updated configuration for */
/* nand flash */
/* resulting in version 6.1.9 */
/* 01-31-2022 Bhupendra Naphade Modified comment(s), */
/* updated include order for */
/* standalone mode, */
/* resulting in version 6.1.10 */
/* 04-25-2022 William E. Lamie Modified comment(s), and */
/* updated product constants, */
/* resulting in version 6.1.11 */
/* 07-29-2022 William E. Lamie Modified comment(s), and */
/* updated product constants, */
/* resulting in version 6.1.12 */
/* 10-31-2022 Xiuwen Cai Modified comment(s), and */
/* updated product constants, */
/* resulting in version 6.2.0 */
/* 03-08-2023 Xiuwen Cai Modified comment(s), */
/* modified NAND logic, */
/* added new driver interface */
/* and user extension, */
/* resulting in version 6.2.1 */
/* 10-31-2023 Xiuwen Cai Modified comment(s), */
/* made LX_NOR_SECTOR_SIZE */
/* configurable, added mapping */
/* bitmap and obsolete count */
/* cache for NOR flash, */
/* resulting in version 6.3.0 */
/* 12-31-2023 Xiuwen Cai Modified comment(s), */
/* added configuration checks, */
/* resulting in version 6.4.0 */
/* 03-01-2024 Tiejun Zhou Modified comment(s), */
/* update version number, */
/* resulting in version 6.4.1 */
/* */
/**************************************************************************/
#ifndef LX_API_H
#define LX_API_H
/* Determine if a C++ compiler is being used. If so, ensure that standard
C is used to process the API information. */
#ifdef __cplusplus
/* Yes, C++ compiler is present. Use standard C. */
extern "C" {
#endif
#include "aic_lx.h"
/* Determine if the optional LevelX user define file should be used. */
#ifdef LX_INCLUDE_USER_DEFINE_FILE
/* Yes, include the user defines in lx_user.h. The defines in this file may
alternately be defined on the command line. */
#include "lx_user.h"
#endif
/* Include the ThreadX api file. */
#ifndef LX_STANDALONE_ENABLE
#include "tx_api.h"
#endif
#ifdef LX_STANDALONE_ENABLE
/* Define compiler library include files. */
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#ifndef VOID
#define VOID void
typedef char CHAR;
typedef char BOOL;
typedef unsigned char UCHAR;
typedef int INT;
typedef unsigned int UINT;
typedef long LONG;
typedef unsigned long ULONG;
typedef short SHORT;
typedef unsigned short USHORT;
#endif
#ifndef ULONG64_DEFINED
#define ULONG64_DEFINED
typedef unsigned long long ULONG64;
#endif
/* Define basic alignment type used in block and byte pool operations. This data type must
be at least 32-bits in size and also be large enough to hold a pointer type. */
#ifndef ALIGN_TYPE_DEFINED
#define ALIGN_TYPE_DEFINED
#define ALIGN_TYPE ULONG
#endif
/* Define the LX_MEMSET macro to the standard library function, if not already defined. */
#ifndef LX_MEMSET
#define LX_MEMSET(a,b,c) memset((a),(b),(c))
#endif
#ifndef LX_MEMCPY
#define LX_MEMCPY(a,b,c) memcpy((a),(b),(c))
#endif
/* Disable usage of ThreadX mutex in standalone mode */
#ifdef LX_THREAD_SAFE_ENABLE
#undef LX_THREAD_SAFE_ENABLE
#endif
#define LX_INTERRUPT_SAVE_AREA
#define LX_DISABLE
#define LX_RESTORE
#else
#define LX_MEMSET TX_MEMSET
#ifndef LX_MEMCPY
#include <string.h>
#define LX_MEMCPY(a,b,c) memcpy((a),(b),(c))
#endif
#define LX_INTERRUPT_SAVE_AREA TX_INTERRUPT_SAVE_AREA
#define LX_DISABLE TX_DISABLE
#define LX_RESTORE TX_RESTORE
#endif
/* Disable warning of parameter not used. */
#ifndef LX_PARAMETER_NOT_USED
#define LX_PARAMETER_NOT_USED(p) ((void)(p))
#endif /* LX_PARAMETER_NOT_USED */
/* Define basic constants for the LevelX Stack. */
#define AZURE_RTOS_LEVELX
#define LEVELX_MAJOR_VERSION 6
#define LEVELX_MINOR_VERSION 4
#define LEVELX_PATCH_VERSION 1
/* Define general LevelX Constants. */
#define LX_FALSE 0
#define LX_TRUE 1
#define LX_NULL 0
#define LX_BLOCK_ERASE_COUNT_MASK 0x7FFFFFFF
#define LX_BLOCK_ERASE_COUNT_MAX 0x7FFFFFFF
#define LX_BLOCK_ERASED 0x80000000
#define LX_BLOCK_ERASE_STARTED 0
#define LX_ALL_ONES 0xFFFFFFFF
/* Define error codes. */
#define LX_SUCCESS 0
#define LX_ERROR 1
#define LX_NO_SECTORS 2
#define LX_SECTOR_NOT_FOUND 3
#define LX_NO_PAGES 4
#define LX_INVALID_WRITE 5
#define LX_NAND_ERROR_CORRECTED 6
#define LX_NAND_ERROR_NOT_CORRECTED 7
#define LX_NO_MEMORY 8
#define LX_DISABLED 9
#define LX_BAD_BLOCK 10
#define LX_NO_BLOCKS 11
#define LX_NOT_SUPPORTED 12
#define LX_SYSTEM_INVALID_FORMAT 90
#define LX_SYSTEM_INVALID_BLOCK 91
#define LX_SYSTEM_ALLOCATION_FAILED 92
#define LX_SYSTEM_MUTEX_CREATE_FAILED 93
#define LX_SYSTEM_INVALID_SECTOR_MAP 94
/* Define NOR flash constants. */
#define LX_NOR_FLASH_OPENED ((ULONG) 0x4E4F524F)
#define LX_NOR_FLASH_CLOSED ((ULONG) 0x4E4F5244)
#ifndef LX_NOR_SECTOR_SIZE
#define LX_NOR_SECTOR_SIZE (512/sizeof(ULONG))
#endif
#define LX_NOR_FLASH_MIN_LOGICAL_SECTOR_OFFSET 1
#define LX_NOR_FLASH_MAX_LOGICAL_SECTOR_OFFSET 2
#ifndef LX_NOR_FLASH_MAX_ERASE_COUNT_DELTA
#define LX_NOR_FLASH_MAX_ERASE_COUNT_DELTA 4
#endif
#define LX_NOR_SECTOR_MAPPING_CACHE_DEPTH 4
#ifndef LX_NOR_SECTOR_MAPPING_CACHE_SIZE
#define LX_NOR_SECTOR_MAPPING_CACHE_SIZE 64 /* Minimum value of 8, all sizes must be a power of 2. */
#endif
#ifndef LX_NOR_EXTENDED_CACHE_SIZE
#define LX_NOR_EXTENDED_CACHE_SIZE 8 /* Maximum number of extended cache sectors. */
#endif
#ifdef LX_NOR_ENABLE_OBSOLETE_COUNT_CACHE
#ifndef LX_NOR_OBSOLETE_COUNT_CACHE_TYPE
#define LX_NOR_OBSOLETE_COUNT_CACHE_TYPE UCHAR
#endif
#endif
/* Define the mask for the hash index into the sector mapping cache table. The sector mapping cache is divided
into 4 entry pieces that are indexed by the formula:
index = (sector & LX_NOR_SECTOR_MAPPING_CACHE_HASH_MASK) * LX_NOR_SECTOR_MAPPING_CACHE_DEPTH
The LX_NOR_SECTOR_MAPPING_CACHE_DEPTH define must not be changed unless the related source code is also changed. */
#define LX_NOR_SECTOR_MAPPING_CACHE_HASH_MASK ((LX_NOR_SECTOR_MAPPING_CACHE_SIZE/LX_NOR_SECTOR_MAPPING_CACHE_DEPTH)-1)
#define LX_NOR_SECTOR_MAPPING_CACHE_ENTRY_MASK 0x7FFFFFFF
#define LX_NOR_SECTOR_MAPPING_CACHE_ENTRY_VALID 0x80000000
#define LX_NOR_PHYSICAL_SECTOR_VALID 0x80000000
#define LX_NOR_PHYSICAL_SECTOR_SUPERCEDED 0x40000000
#define LX_NOR_PHYSICAL_SECTOR_MAPPING_NOT_VALID 0x20000000
#define LX_NOR_LOGICAL_SECTOR_MASK 0x1FFFFFFF
#define LX_NOR_PHYSICAL_SECTOR_FREE 0xFFFFFFFF
/* Check extended cache configurations. */
#ifdef LX_NOR_DISABLE_EXTENDED_CACHE
#ifdef LX_NOR_ENABLE_MAPPING_BITMAP
#error "To enable mapping bitmap, you need to undefine LX_NOR_DISABLE_EXTENDED_CACHE."
#endif
#ifdef LX_NOR_ENABLE_OBSOLETE_COUNT_CACHE
#error "To enable obsolete count cache, you need to undefine LX_NOR_DISABLE_EXTENDED_CACHE."
#endif
#endif
/* Define NAND flash constants. */
#define LX_NAND_GOOD_BLOCK 0xFF
#define LX_NAND_BAD_BLOCK 0x00
#define LX_NAND_FLASH_OPENED ((ULONG) 0x4E4F524F)
#define LX_NAND_FLASH_CLOSED ((ULONG) 0x4E4F5244)
#ifndef LX_NAND_FLASH_MAX_ERASE_COUNT_DELTA
#define LX_NAND_FLASH_MAX_ERASE_COUNT_DELTA 64
#endif
/* Define the NAND sector mapping cache. */
#define LX_NAND_SECTOR_MAPPING_CACHE_DEPTH 4 /* Not required if LX_NAND_FLASH_DIRECT_MAPPING_CACHE is defined. */
#ifndef LX_NAND_SECTOR_MAPPING_CACHE_SIZE
#define LX_NAND_SECTOR_MAPPING_CACHE_SIZE 128 /* Minimum value of 8, all sizes must be a power of 2, unless direct
mapping is defined, in which there is no power of 2 requirement. */
#endif
#ifndef LX_NAND_ERASE_COUNT_WRITE_SIZE
#define LX_NAND_ERASE_COUNT_WRITE_SIZE (nand_flash -> lx_nand_flash_pages_per_block + 1)
#endif
#ifndef LX_NAND_FLASH_MAPPING_LIST_UPDATE_DISABLE
#define LX_NAND_FLASH_MAPPING_LIST_UPDATE_DISABLE
#endif
#ifndef LX_NAND_FLASH_MAX_METADATA_BLOCKS
#define LX_NAND_FLASH_MAX_METADATA_BLOCKS 4
#endif
#ifndef LX_UTILITY_SHORT_SET
#define LX_UTILITY_SHORT_SET(address, value) *((USHORT*)(address)) = (USHORT)(value)
#endif
#ifndef LX_UTILITY_LONG_SET
#define LX_UTILITY_LONG_SET(address, value) *((ULONG*)(address)) = (ULONG)(value)
#endif
#ifndef LX_UTILITY_SHORT_GET
#define LX_UTILITY_SHORT_GET(address) (*((USHORT*)(address)))
#endif
#ifndef LX_UTILITY_LONG_GET
#define LX_UTILITY_LONG_GET(address) (*((ULONG*)(address)))
#endif
/* Define the mask for the hash index into the NAND sector mapping cache table. The sector mapping cache is divided
into 4 entry pieces that are indexed by the formula:
index = (sector & LX_NAND_SECTOR_MAPPING_CACHE_HASH_MASK) * LX_NAND_SECTOR_MAPPING_CACHE_DEPTH
The LX_NAND_SECTOR_MAPPING_CACHE_DEPTH define must not be changed unless the related source code is also changed. */
#define LX_NAND_SECTOR_MAPPING_CACHE_HASH_MASK ((LX_NAND_SECTOR_MAPPING_CACHE_SIZE/LX_NAND_SECTOR_MAPPING_CACHE_DEPTH)-1)
#define LX_NAND_SECTOR_MAPPING_CACHE_ENTRY_MASK 0x7FFFFFFF
#define LX_NAND_SECTOR_MAPPING_CACHE_ENTRY_VALID 0x80000000
#define LX_NAND_BLOCK_VALID 0x80000000
#define LX_NAND_BLOCK_EMPTY 0x40000000
#define LX_NAND_BLOCK_FULL 0x20000000
#define LX_NAND_PAGE_VALID 0x80000000
#define LX_NAND_PAGE_SUPERCEDED 0x40000000
#define LX_NAND_PAGE_MAPPING_NOT_VALID 0x20000000
#define LX_NAND_LOGICAL_SECTOR_MASK 0x1FFFFFFF
#define LX_NAND_PAGE_FREE 0xFFFFFFFF
#define LX_NAND_PAGE_LIST_VALID 0xF0F0F0F0
#define LX_NAND_PAGE_TYPE_DEVICE_INFO 0x10000000u
#define LX_NAND_PAGE_TYPE_ERASE_COUNT_TABLE 0x20000000u
#define LX_NAND_PAGE_TYPE_BLOCK_MAPPING_TABLE 0x30000000u
#define LX_NAND_PAGE_TYPE_USER_DATA 0x40000000u
#define LX_NAND_PAGE_TYPE_USER_DATA_RELEASED 0x50000000u
#define LX_NAND_PAGE_TYPE_READ_COUNT_TABLE 0x60000000u
#define LX_NAND_PAGE_TYPE_PAGE_MAPPING_TABLE 0x70000000u
#define LX_NAND_PAGE_TYPE_BLOCK_STATUS_TABLE 0x80000000u
#define LX_NAND_PAGE_TYPE_BLOCK_LINK 0x90000000u
#define LX_NAND_PAGE_TYPE_USER_DATA_MASK 0x0FFFFFFFu
#define LX_NAND_PAGE_TYPE_PAGE_NUMBER_MASK 0x000000FFu
#define LX_NAND_PAGE_TYPE_FREE_PAGE 0xFFFFFF00u
#define LX_NAND_BLOCK_STATUS_FULL 0x4000u
#define LX_NAND_BLOCK_STATUS_NON_SEQUENTIAL 0x2000u
#define LX_NAND_BLOCK_STATUS_MAPPING_PRESENT 0x1000u
#define LX_NAND_BLOCK_STATUS_PAGE_NUMBER_MASK 0x0FFFu
#define LX_NAND_BLOCK_STATUS_FREE 0xFFFFu
#define LX_NAND_BLOCK_STATUS_BAD 0xFF00u
#define LX_NAND_BLOCK_STATUS_ALLOCATED 0x8000u
#define LX_NAND_BLOCK_LINK_MAIN_METADATA_OFFSET 0
#define LX_NAND_BLOCK_LINK_BACKUP_METADATA_OFFSET 4
#define LX_NAND_MAX_BLOCK_COUNT 32768
#define LX_NAND_MAX_PAGE_PER_BLOCK 4096
#define LX_NAND_BLOCK_UNMAPPED 0xFFFF
#define LX_NAND_DEVICE_INFO_SIGNATURE1 0x76654C20
#define LX_NAND_DEVICE_INFO_SIGNATURE2 0x20586C65
#define LX_NAND_DEVICE_INFO_METADATA_TYPE_MAIN 0x01
#define LX_NAND_DEVICE_INFO_METADATA_TYPE_SECONDARY 0x02
/* Define the NAND device information structure. This will be set in the spare area. */
typedef struct LX_NAND_DEVICE_INFO_STRUCT
{
ULONG lx_nand_device_info_signature1;
ULONG lx_nand_device_info_signature2;
ULONG lx_nand_device_info_major_version;
ULONG lx_nand_device_info_minor_version;
ULONG lx_nand_device_info_patch_version;
ULONG lx_nand_device_info_metadata_block_number;
ULONG lx_nand_device_info_backup_metadata_block_number;
ULONG lx_nand_device_info_base_erase_count;
} LX_NAND_DEVICE_INFO;
/* Determine if the flash control block has an extension defined. If not,
define the extension to whitespace. */
#ifndef LX_NAND_FLASH_USER_EXTENSION
#define LX_NAND_FLASH_USER_EXTENSION
#endif
/* Define the NAND flash control block structure. */
typedef struct LX_NAND_FLASH_STRUCT
{
ULONG lx_nand_flash_state;
ULONG lx_nand_flash_total_blocks;
ULONG lx_nand_flash_pages_per_block;
ULONG lx_nand_flash_bytes_per_page;
ULONG lx_nand_flash_words_per_block;
ULONG lx_nand_flash_words_per_page;
ULONG lx_nand_flash_total_pages;
ULONG lx_nand_flash_bad_blocks;
ULONG lx_nand_flash_base_erase_count;
ULONG lx_nand_flash_page_corrections;
ULONG lx_nand_flash_last_block_correction;
ULONG lx_nand_flash_last_page_correction;
USHORT *lx_nand_flash_block_mapping_table;
ULONG lx_nand_flash_block_mapping_table_size;
USHORT *lx_nand_flash_block_status_table;
ULONG lx_nand_flash_block_status_table_size;
UCHAR *lx_nand_flash_erase_count_table;
ULONG lx_nand_flash_erase_count_table_size;
USHORT *lx_nand_flash_block_list;
ULONG lx_nand_flash_block_list_size;
ULONG lx_nand_flash_free_block_list_tail;
ULONG lx_nand_flash_mapped_block_list_head;
ULONG lx_nand_flash_metadata_block_number;
ULONG lx_nand_flash_metadata_block_number_current;
ULONG lx_nand_flash_metadata_block_number_next;
ULONG lx_nand_flash_metadata_block_current_page;
ULONG lx_nand_flash_metadata_block_count;
USHORT lx_nand_flash_metadata_block[LX_NAND_FLASH_MAX_METADATA_BLOCKS];
ULONG lx_nand_flash_backup_metadata_block_number;
ULONG lx_nand_flash_backup_metadata_block_number_current;
ULONG lx_nand_flash_backup_metadata_block_number_next;
ULONG lx_nand_flash_backup_metadata_block_current_page;
USHORT lx_nand_flash_backup_metadata_block[LX_NAND_FLASH_MAX_METADATA_BLOCKS];
ULONG lx_nand_flash_spare_data1_offset;
ULONG lx_nand_flash_spare_data1_length;
ULONG lx_nand_flash_spare_data2_offset;
ULONG lx_nand_flash_spare_data2_length;
ULONG lx_nand_flash_spare_total_length;
ULONG lx_nand_flash_diagnostic_system_errors;
ULONG lx_nand_flash_diagnostic_system_error;
ULONG lx_nand_flash_diagnostic_sector_write_requests;
ULONG lx_nand_flash_diagnostic_sector_read_requests;
ULONG lx_nand_flash_diagnostic_sector_release_requests;
ULONG lx_nand_flash_diagnostic_page_allocates;
ULONG lx_nand_flash_diagnostic_page_allocate_errors;
ULONG lx_nand_flash_diagnostic_block_reclaim_attempts;
ULONG lx_nand_flash_diagnostic_block_erases;
ULONG lx_nand_flash_diagnostic_block_status_gets;
ULONG lx_nand_flash_diagnostic_block_status_sets;
ULONG lx_nand_flash_diagnostic_page_extra_bytes_sets;
ULONG lx_nand_flash_diagnostic_page_writes;
ULONG lx_nand_flash_diagnostic_page_extra_bytes_gets;
ULONG lx_nand_flash_diagnostic_page_reads;
ULONG lx_nand_flash_diagnostic_moved_pages;
ULONG lx_nand_flash_diagnostic_block_erased_verifies;
ULONG lx_nand_flash_diagnostic_page_erased_verifies;
#ifdef LX_NAND_ENABLE_CONTROL_BLOCK_FOR_DRIVER_INTERFACE
UINT (*lx_nand_flash_driver_read)(struct LX_NAND_FLASH_STRUCT *nand_flash, ULONG block, ULONG page, ULONG *destination, ULONG words);
UINT (*lx_nand_flash_driver_write)(struct LX_NAND_FLASH_STRUCT *nand_flash, ULONG block, ULONG page, ULONG *source, ULONG words);
UINT (*lx_nand_flash_driver_block_erase)(struct LX_NAND_FLASH_STRUCT *nand_flash, ULONG block, ULONG erase_count);
UINT (*lx_nand_flash_driver_block_erased_verify)(struct LX_NAND_FLASH_STRUCT *nand_flash, ULONG block);
UINT (*lx_nand_flash_driver_page_erased_verify)(struct LX_NAND_FLASH_STRUCT *nand_flash, ULONG block, ULONG page);
UINT (*lx_nand_flash_driver_block_status_get)(struct LX_NAND_FLASH_STRUCT *nand_flash, ULONG block, UCHAR *bad_block_flag);
UINT (*lx_nand_flash_driver_block_status_set)(struct LX_NAND_FLASH_STRUCT *nand_flash, ULONG block, UCHAR bad_block_flag);
UINT (*lx_nand_flash_driver_extra_bytes_get)(struct LX_NAND_FLASH_STRUCT *nand_flash, ULONG block, ULONG page, UCHAR *destination, UINT size);
UINT (*lx_nand_flash_driver_extra_bytes_set)(struct LX_NAND_FLASH_STRUCT *nand_flash, ULONG block, ULONG page, UCHAR *source, UINT size);
UINT (*lx_nand_flash_driver_system_error)(struct LX_NAND_FLASH_STRUCT *nand_flash, UINT error_code, ULONG block, ULONG page);
UINT (*lx_nand_flash_driver_pages_read)(struct LX_NAND_FLASH_STRUCT *nand_flash, ULONG block, ULONG page, UCHAR* main_buffer, UCHAR* spare_buffer, ULONG pages);
UINT (*lx_nand_flash_driver_pages_write)(struct LX_NAND_FLASH_STRUCT *nand_flash, ULONG block, ULONG page, UCHAR* main_buffer, UCHAR* spare_buffer, ULONG pages);
UINT (*lx_nand_flash_driver_pages_copy)(struct LX_NAND_FLASH_STRUCT *nand_flash, ULONG source_block, ULONG source_page, ULONG destination_block, ULONG destination_page, ULONG pages, UCHAR* data_buffer);
#else
UINT (*lx_nand_flash_driver_read)(ULONG block, ULONG page, ULONG *destination, ULONG words);
UINT (*lx_nand_flash_driver_write)(ULONG block, ULONG page, ULONG *source, ULONG words);
UINT (*lx_nand_flash_driver_block_erase)(ULONG block, ULONG erase_count);
UINT (*lx_nand_flash_driver_block_erased_verify)(ULONG block);
UINT (*lx_nand_flash_driver_page_erased_verify)(ULONG block, ULONG page);
UINT (*lx_nand_flash_driver_block_status_get)(ULONG block, UCHAR *bad_block_flag);
UINT (*lx_nand_flash_driver_block_status_set)(ULONG block, UCHAR bad_block_flag);
UINT (*lx_nand_flash_driver_extra_bytes_get)(ULONG block, ULONG page, UCHAR *destination, UINT size);
UINT (*lx_nand_flash_driver_extra_bytes_set)(ULONG block, ULONG page, UCHAR *source, UINT size);
UINT (*lx_nand_flash_driver_system_error)(UINT error_code, ULONG block, ULONG page);
UINT (*lx_nand_flash_driver_pages_read)(ULONG block, ULONG page, UCHAR* main_buffer, UCHAR* spare_buffer, ULONG pages);
UINT (*lx_nand_flash_driver_pages_write)(ULONG block, ULONG page, UCHAR* main_buffer, UCHAR* spare_buffer, ULONG pages);
UINT (*lx_nand_flash_driver_pages_copy)(ULONG source_block, ULONG source_page, ULONG destination_block, ULONG destination_page, ULONG pages, UCHAR* data_buffer);
#endif
UCHAR *lx_nand_flash_page_buffer;
UINT lx_nand_flash_page_buffer_size;
#ifdef LX_THREAD_SAFE_ENABLE
/* When this conditional is used, the LevelX code utilizes a ThreadX mutex for thread
safe operation. Generally, this is not required since FileX ensures thread safe operation at
a higher layer. */
TX_MUTEX lx_nand_flash_mutex;
#endif
/* Define the NAND flash control block open next/previous pointers. */
struct LX_NAND_FLASH_STRUCT *lx_nand_flash_open_next,
*lx_nand_flash_open_previous;
/* Define the user extension in the flash control block. This
is typically defined in lx_user.h. */
LX_NAND_FLASH_USER_EXTENSION
} LX_NAND_FLASH;
/* Define the NOR flash sector cache entry structure. */
typedef struct LX_NOR_SECTOR_MAPPING_CACHE_ENTRY_STRUCT
{
ULONG lx_nor_sector_mapping_cache_logical_sector;
ULONG *lx_nor_sector_mapping_cache_physical_sector_map_entry;
ULONG *lx_nor_sector_mapping_cache_physical_sector_address;
} LX_NOR_SECTOR_MAPPING_CACHE_ENTRY;
/* Define the NOR flash extended cache entry structure. */
typedef struct LX_NOR_FLASH_EXTENDED_CACHE_ENTRY_STRUCT
{
ULONG *lx_nor_flash_extended_cache_entry_sector_address;
ULONG *lx_nor_flash_extended_cache_entry_sector_memory;
ULONG lx_nor_flash_extended_cache_entry_access_count;
} LX_NOR_FLASH_EXTENDED_CACHE_ENTRY;
/* Determine if the flash control block has an extension defined. If not,
define the extension to whitespace. */
#ifndef LX_NOR_FLASH_USER_EXTENSION
#define LX_NOR_FLASH_USER_EXTENSION
#endif
/* Define the NOR flash control block structure. */
typedef struct LX_NOR_FLASH_STRUCT
{
ULONG lx_nor_flash_state;
ULONG lx_nor_flash_total_blocks;
ULONG lx_nor_flash_words_per_block;
ULONG lx_nor_flash_total_physical_sectors;
ULONG lx_nor_flash_physical_sectors_per_block;
ULONG *lx_nor_flash_base_address;
ULONG lx_nor_flash_block_free_bit_map_offset;
ULONG lx_nor_flash_block_bit_map_words;
ULONG lx_nor_flash_block_bit_map_mask;
ULONG lx_nor_flash_block_physical_sector_mapping_offset;
ULONG lx_nor_flash_block_physical_sector_offset;
ULONG lx_nor_flash_free_physical_sectors;
ULONG lx_nor_flash_mapped_physical_sectors;
ULONG lx_nor_flash_obsolete_physical_sectors;
ULONG lx_nor_flash_minimum_erase_count;
ULONG lx_nor_flash_minimum_erased_blocks;
ULONG lx_nor_flash_maximum_erase_count;
ULONG lx_nor_flash_free_block_search;
ULONG lx_nor_flash_found_block_search;
ULONG lx_nor_flash_found_sector_search;
ULONG lx_nor_flash_write_requests;
ULONG lx_nor_flash_read_requests;
ULONG lx_nor_flash_sector_mapping_cache_hits;
ULONG lx_nor_flash_sector_mapping_cache_misses;
ULONG lx_nor_flash_physical_block_allocates;
ULONG lx_nor_flash_physical_block_allocate_errors;
ULONG lx_nor_flash_diagnostic_system_errors;
ULONG lx_nor_flash_diagnostic_system_error;
ULONG lx_nor_flash_diagnostic_initial_format;
ULONG lx_nor_flash_diagnostic_erased_block;
ULONG lx_nor_flash_diagnostic_re_erase_block;
ULONG lx_nor_flash_diagnostic_sector_being_obsoleted;
ULONG lx_nor_flash_diagnostic_sector_obsoleted;
ULONG lx_nor_flash_diagnostic_mapping_invalidated;
ULONG lx_nor_flash_diagnostic_mapping_write_interrupted;
ULONG lx_nor_flash_diagnostic_sector_not_free;
ULONG lx_nor_flash_diagnostic_sector_data_not_free;
#ifdef LX_NOR_ENABLE_CONTROL_BLOCK_FOR_DRIVER_INTERFACE
UINT (*lx_nor_flash_driver_read)(struct LX_NOR_FLASH_STRUCT *nor_flash, ULONG *flash_address, ULONG *destination, ULONG words);
UINT (*lx_nor_flash_driver_write)(struct LX_NOR_FLASH_STRUCT *nor_flash, ULONG *flash_address, ULONG *source, ULONG words);
UINT (*lx_nor_flash_driver_block_erase)(struct LX_NOR_FLASH_STRUCT *nor_flash, ULONG block, ULONG erase_count);
UINT (*lx_nor_flash_driver_block_erased_verify)(struct LX_NOR_FLASH_STRUCT *nor_flash, ULONG block);
UINT (*lx_nor_flash_driver_system_error)(struct LX_NOR_FLASH_STRUCT *nor_flash, UINT error_code);
#else
UINT (*lx_nor_flash_driver_read)(ULONG *flash_address, ULONG *destination, ULONG words);
UINT (*lx_nor_flash_driver_write)(ULONG *flash_address, ULONG *source, ULONG words);
UINT (*lx_nor_flash_driver_block_erase)(ULONG block, ULONG erase_count);
UINT (*lx_nor_flash_driver_block_erased_verify)(ULONG block);
UINT (*lx_nor_flash_driver_system_error)(UINT error_code);
#endif
ULONG *lx_nor_flash_sector_buffer;
UINT lx_nor_flash_sector_mapping_cache_enabled;
LX_NOR_SECTOR_MAPPING_CACHE_ENTRY
lx_nor_flash_sector_mapping_cache[LX_NOR_SECTOR_MAPPING_CACHE_SIZE];
#ifndef LX_NOR_DISABLE_EXTENDED_CACHE
UINT lx_nor_flash_extended_cache_entries;
LX_NOR_FLASH_EXTENDED_CACHE_ENTRY
lx_nor_flash_extended_cache[LX_NOR_EXTENDED_CACHE_SIZE];
ULONG lx_nor_flash_extended_cache_hits;
ULONG lx_nor_flash_extended_cache_misses;
#ifdef LX_NOR_ENABLE_MAPPING_BITMAP
ULONG *lx_nor_flash_extended_cache_mapping_bitmap;
ULONG lx_nor_flash_extended_cache_mapping_bitmap_max_logical_sector;
#endif
#ifdef LX_NOR_ENABLE_OBSOLETE_COUNT_CACHE
LX_NOR_OBSOLETE_COUNT_CACHE_TYPE
*lx_nor_flash_extended_cache_obsolete_count;
ULONG lx_nor_flash_extended_cache_obsolete_count_max_block;
#endif
#endif
#ifdef LX_THREAD_SAFE_ENABLE
/* When this conditional is used, the LevelX code utilizes a ThreadX mutex for thread
safe operation. Generally, this is not required since FileX ensures thread safe operation at
a higher layer. */
TX_MUTEX lx_nor_flash_mutex;
#endif
/* Define the NOR flash control block open next/previous pointers. */
struct LX_NOR_FLASH_STRUCT *lx_nor_flash_open_next,
*lx_nor_flash_open_previous;
/* Define the user extension in the flash control block. This
is typically defined in lx_user.h. */
LX_NOR_FLASH_USER_EXTENSION
} LX_NOR_FLASH;
/* Each physical NOR block has the following structure at the beginning of the block:
Offset Meaning
0 Erase count
4 Minimum logical sector number - only when the block is full
8 Maximum logical sector number - only when the block is full
12 Free physical sector bit map, where a value of 1 indicates a
free physical sector. The bit map is evenly divisible by 4
. Array of physical sector mapping information (4 bytes per entry,
one entry for each physical sector in block). Each entry looks
like the following:
Bit(s) Meaning
0-29 Logical sector mapped if not 0x3FFFFFFF
30 If 0, entry is being superceded
31 If 1, entry is valid
Array of physical sectors, with each of size LX_NOR_SECTOR_SIZE
*/
typedef struct LX_NOR_FLASH_BLOCK_HEADER_STRUCT
{
ULONG lx_nor_flash_block_erase_count; /* Bit 31: 1 -> not used, 0 -> used */
ULONG lx_nor_flash_block_min_logical_sector; /* On full block, minimum valid sector */
ULONG lx_nor_flash_block_max_logical_sector; /* On full block, maximum valid sector */
} LX_NOR_FLASH_BLOCK_HEADER;
/* Define external structure references. */
extern LX_NAND_FLASH *_lx_nand_flash_opened_ptr;
extern ULONG _lx_nand_flash_opened_count;
extern LX_NOR_FLASH *_lx_nor_flash_opened_ptr;
extern ULONG _lx_nor_flash_opened_count;
/* Map internal functions. */
#ifndef LX_SOURCE_CODE
#define lx_nand_flash_close _lx_nand_flash_close
#define lx_nand_flash_defragment _lx_nand_flash_defragment
#define lx_nand_flash_partial_defragment _lx_nand_flash_partial_defragment
#define lx_nand_flash_extended_cache_enable _lx_nand_flash_extended_cache_enable
#define lx_nand_flash_format _lx_nand_flash_format
#define lx_nand_flash_initialize _lx_nand_flash_initialize
#define lx_nand_flash_open _lx_nand_flash_open
#define lx_nand_flash_page_ecc_check _lx_nand_flash_page_ecc_check
#define lx_nand_flash_page_ecc_compute _lx_nand_flash_page_ecc_compute
#define lx_nand_flash_sector_read _lx_nand_flash_sector_read
#define lx_nand_flash_sector_release _lx_nand_flash_sector_release
#define lx_nand_flash_sector_write _lx_nand_flash_sector_write
#define lx_nand_flash_sectors_read _lx_nand_flash_sectors_read
#define lx_nand_flash_sectors_release _lx_nand_flash_sectors_release
#define lx_nand_flash_sectors_write _lx_nand_flash_sectors_write
#define lx_nand_flash_256byte_ecc_check _lx_nand_flash_256byte_ecc_check
#define lx_nand_flash_256byte_ecc_compute _lx_nand_flash_256byte_ecc_compute
#define lx_nor_flash_close _lx_nor_flash_close
#define lx_nor_flash_defragment _lx_nor_flash_defragment
#define lx_nor_flash_partial_defragment _lx_nor_flash_partial_defragment
#define lx_nor_flash_extended_cache_enable _lx_nor_flash_extended_cache_enable
#define lx_nor_flash_initialize _lx_nor_flash_initialize
#define lx_nor_flash_open _lx_nor_flash_open
#define lx_nor_flash_sector_read _lx_nor_flash_sector_read
#define lx_nor_flash_sector_release _lx_nor_flash_sector_release
#define lx_nor_flash_sector_write _lx_nor_flash_sector_write
#endif
/* External LevelX API prototypes. */
UINT _lx_nand_flash_close(LX_NAND_FLASH *nand_flash);
UINT _lx_nand_flash_defragment(LX_NAND_FLASH *nand_flash);
UINT _lx_nand_flash_initialize(void);
UINT _lx_nand_flash_extended_cache_enable(LX_NAND_FLASH *nand_flash, VOID *memory, ULONG size);
UINT _lx_nand_flash_format(LX_NAND_FLASH* nand_flash, CHAR* name,
UINT(*nand_driver_initialize)(LX_NAND_FLASH*),
ULONG* memory_ptr, UINT memory_size);
UINT _lx_nand_flash_open(LX_NAND_FLASH *nand_flash, CHAR *name, UINT (*nand_driver_initialize)(LX_NAND_FLASH *), ULONG* memory_ptr, UINT memory_size);
UINT _lx_nand_flash_page_ecc_check(LX_NAND_FLASH *nand_flash, UCHAR *page_buffer, UCHAR *ecc_buffer);
UINT _lx_nand_flash_page_ecc_compute(LX_NAND_FLASH *nand_flash, UCHAR *page_buffer, UCHAR *ecc_buffer);
UINT _lx_nand_flash_partial_defragment(LX_NAND_FLASH *nand_flash, UINT max_blocks);
UINT _lx_nand_flash_sector_read(LX_NAND_FLASH *nand_flash, ULONG logical_sector, VOID *buffer);
UINT _lx_nand_flash_sector_release(LX_NAND_FLASH *nand_flash, ULONG logical_sector);
UINT _lx_nand_flash_sector_write(LX_NAND_FLASH *nand_flash, ULONG logical_sector, VOID *buffer);
UINT _lx_nand_flash_sectors_read(LX_NAND_FLASH* nand_flash, ULONG logical_sector, VOID* buffer, ULONG sector_count);
UINT _lx_nand_flash_sectors_release(LX_NAND_FLASH* nand_flash, ULONG logical_sector, ULONG sector_count);
UINT _lx_nand_flash_sectors_write(LX_NAND_FLASH* nand_flash, ULONG logical_sector, VOID* buffer, ULONG sector_count);
UINT _lx_nor_flash_close(LX_NOR_FLASH *nor_flash);
UINT _lx_nor_flash_defragment(LX_NOR_FLASH *nor_flash);
UINT _lx_nor_flash_extended_cache_enable(LX_NOR_FLASH *nor_flash, VOID *memory, ULONG size);
UINT _lx_nor_flash_initialize(void);
UINT _lx_nor_flash_open(LX_NOR_FLASH *nor_flash, CHAR *name, UINT (*nor_driver_initialize)(LX_NOR_FLASH *));
UINT _lx_nor_flash_partial_defragment(LX_NOR_FLASH *nor_flash, UINT max_blocks);
UINT _lx_nor_flash_sector_read(LX_NOR_FLASH *nor_flash, ULONG logical_sector, VOID *buffer);
UINT _lx_nor_flash_sector_release(LX_NOR_FLASH *nor_flash, ULONG logical_sector);
UINT _lx_nor_flash_sector_write(LX_NOR_FLASH *nor_flash, ULONG logical_sector, VOID *buffer);
/* Internal LevelX prototypes. */
UINT _lx_nand_flash_driver_block_erase(LX_NAND_FLASH *nand_flash, ULONG block, ULONG erase_count);
UINT _lx_nand_flash_driver_block_erased_verify(LX_NAND_FLASH *nand_flash, ULONG block);
UINT _lx_nand_flash_driver_page_erased_verify(LX_NAND_FLASH *nand_flash, ULONG block, ULONG page);
UINT _lx_nand_flash_driver_block_status_get(LX_NAND_FLASH *nand_flash, ULONG block, UCHAR *bad_block_flag);
UINT _lx_nand_flash_driver_block_status_set(LX_NAND_FLASH *nand_flash, ULONG block, UCHAR bad_block_flag);
VOID _lx_nand_flash_internal_error(LX_NAND_FLASH *nand_flash, ULONG error_code);
UINT _lx_nand_flash_block_find(LX_NAND_FLASH *nand_flash, ULONG logical_sector, ULONG *block, USHORT *block_status);
UINT _lx_nand_flash_block_allocate(LX_NAND_FLASH *nand_flash, ULONG *block);
UINT _lx_nand_flash_block_data_move(LX_NAND_FLASH* nand_flash, ULONG new_block);
UINT _lx_nand_flash_block_status_set(LX_NAND_FLASH *nand_flash, ULONG block, ULONG block_status);
UINT _lx_nand_flash_erase_count_set(LX_NAND_FLASH* nand_flash, ULONG block, UCHAR erase_count);
UINT _lx_nand_flash_block_mapping_set(LX_NAND_FLASH* nand_flash, ULONG logical_sector, ULONG block);
UINT _lx_nand_flash_data_page_copy(LX_NAND_FLASH* nand_flash, ULONG logical_sector, ULONG source_block, USHORT src_block_status,
ULONG destination_block, USHORT* dest_block_status_ptr, ULONG sectors);
UINT _lx_nand_flash_free_block_list_add(LX_NAND_FLASH* nand_flash, ULONG block);
UINT _lx_nand_flash_mapped_block_list_add(LX_NAND_FLASH* nand_flash, ULONG block_mapping_index);
UINT _lx_nand_flash_mapped_block_list_get(LX_NAND_FLASH* nand_flash, ULONG *block_mapping_index);
UINT _lx_nand_flash_mapped_block_list_remove(LX_NAND_FLASH* nand_flash, ULONG block_mapping_index);
UINT _lx_nand_flash_memory_initialize(LX_NAND_FLASH* nand_flash, ULONG* memory_ptr, UINT memory_size);
UINT _lx_nand_flash_metadata_allocate(LX_NAND_FLASH* nand_flash);
UINT _lx_nand_flash_metadata_build(LX_NAND_FLASH* nand_flash);
UINT _lx_nand_flash_metadata_write(LX_NAND_FLASH *nand_flash, UCHAR* main_buffer, ULONG spare_value);
VOID _lx_nand_flash_system_error(LX_NAND_FLASH *nand_flash, UINT error_code, ULONG block, ULONG page);
UINT _lx_nand_flash_256byte_ecc_check(UCHAR *page_buffer, UCHAR *ecc_buffer);
UINT _lx_nand_flash_256byte_ecc_compute(UCHAR *page_buffer, UCHAR *ecc_buffer);
UINT _lx_nor_flash_block_reclaim(LX_NOR_FLASH *nor_flash);
UINT _lx_nor_flash_driver_block_erase(LX_NOR_FLASH *nor_flash, ULONG block, ULONG erase_count);
UINT _lx_nor_flash_driver_read(LX_NOR_FLASH *nor_flash, ULONG *flash_address, ULONG *destination, ULONG words);
UINT _lx_nor_flash_driver_write(LX_NOR_FLASH *nor_flash, ULONG *flash_address, ULONG *source, ULONG words);
VOID _lx_nor_flash_internal_error(LX_NOR_FLASH *nor_flash, ULONG error_code);
UINT _lx_nor_flash_logical_sector_find(LX_NOR_FLASH *nor_flash, ULONG logical_sector, ULONG superceded_check, ULONG **physical_sector_map_entry, ULONG **physical_sector_address);
UINT _lx_nor_flash_next_block_to_erase_find(LX_NOR_FLASH *nor_flash, ULONG *return_erase_block, ULONG *return_erase_count, ULONG *return_mapped_sectors, ULONG *return_obsolete_sectors);
UINT _lx_nor_flash_physical_sector_allocate(LX_NOR_FLASH *nor_flash, ULONG logical_sector, ULONG **physical_sector_map_entry, ULONG **physical_sector_address);
VOID _lx_nor_flash_sector_mapping_cache_invalidate(LX_NOR_FLASH *nor_flash, ULONG logical_sector);
VOID _lx_nor_flash_system_error(LX_NOR_FLASH *nor_flash, UINT error_code);
#ifdef __cplusplus
}
#endif
#endif
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