lx_nand_flash_defragment.c
| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /*************************************************************************** | ||
| 2 | * Copyright (c) 2024 Microsoft Corporation | ||
| 3 | * Copyright (c) 2026-present Eclipse ThreadX contributors | ||
| 4 | * | ||
| 5 | * This program and the accompanying materials are made available under the | ||
| 6 | * terms of the MIT License which is available at | ||
| 7 | * https://opensource.org/licenses/MIT. | ||
| 8 | * | ||
| 9 | * SPDX-License-Identifier: MIT | ||
| 10 | **************************************************************************/ | ||
| 11 | |||
| 12 | // Portions of this file were generated with AI assistance. | ||
| 13 | |||
| 14 | /**************************************************************************/ | ||
| 15 | /**************************************************************************/ | ||
| 16 | /** */ | ||
| 17 | /** LevelX Component */ | ||
| 18 | /** */ | ||
| 19 | /** NAND Flash */ | ||
| 20 | /** */ | ||
| 21 | /**************************************************************************/ | ||
| 22 | /**************************************************************************/ | ||
| 23 | |||
| 24 | #define LX_SOURCE_CODE | ||
| 25 | |||
| 26 | |||
| 27 | /* Disable ThreadX error checking. */ | ||
| 28 | |||
| 29 | #ifndef LX_DISABLE_ERROR_CHECKING | ||
| 30 | #define LX_DISABLE_ERROR_CHECKING | ||
| 31 | #endif | ||
| 32 | |||
| 33 | |||
| 34 | /* Include necessary system files. */ | ||
| 35 | |||
| 36 | #include "lx_api.h" | ||
| 37 | |||
| 38 | |||
| 39 | /**************************************************************************/ | ||
| 40 | /* */ | ||
| 41 | /* FUNCTION RELEASE */ | ||
| 42 | /* */ | ||
| 43 | /* _lx_nand_flash_defragment PORTABLE C */ | ||
| 44 | /* 6.2.1 */ | ||
| 45 | /* AUTHOR */ | ||
| 46 | /* */ | ||
| 47 | /* William E. Lamie, Microsoft Corporation */ | ||
| 48 | /* */ | ||
| 49 | /* DESCRIPTION */ | ||
| 50 | /* */ | ||
| 51 | /* This function defragments the NAND flash. */ | ||
| 52 | /* */ | ||
| 53 | /* INPUT */ | ||
| 54 | /* */ | ||
| 55 | /* nand_flash NAND flash instance */ | ||
| 56 | /* */ | ||
| 57 | /* OUTPUT */ | ||
| 58 | /* */ | ||
| 59 | /* return status */ | ||
| 60 | /* */ | ||
| 61 | /* CALLS */ | ||
| 62 | /* */ | ||
| 63 | /* _lx_nand_flash_block_reclaim Reclaim a NAND flash block */ | ||
| 64 | /* tx_mutex_get Get thread protection */ | ||
| 65 | /* tx_mutex_put Release thread protection */ | ||
| 66 | /* */ | ||
| 67 | /* CALLED BY */ | ||
| 68 | /* */ | ||
| 69 | /* Application Code */ | ||
| 70 | /* Internal LevelX */ | ||
| 71 | /* */ | ||
| 72 | /**************************************************************************/ | ||
| 73 | 20 | UINT _lx_nand_flash_defragment(LX_NAND_FLASH *nand_flash) | |
| 74 | { | ||
| 75 | |||
| 76 | #ifdef LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE | ||
| 77 | |||
| 78 | UINT status; | ||
| 79 | ULONG lg; | ||
| 80 | |||
| 81 | /* Compact every logical group that has a deferred compaction pending. */ | ||
| 82 | for (lg = 0; lg < nand_flash -> lx_nand_flash_total_blocks; lg++) | ||
| 83 | { | ||
| 84 | |||
| 85 | if (nand_flash -> lx_nand_flash_block_compaction_table[lg] != (USHORT)LX_NAND_BLOCK_UNMAPPED) | ||
| 86 | { | ||
| 87 | |||
| 88 | status = _lx_nand_flash_logical_group_compact(nand_flash, lg); | ||
| 89 | |||
| 90 | /* On error, continue to compact remaining groups. */ | ||
| 91 | if (status) | ||
| 92 | { | ||
| 93 | _lx_nand_flash_system_error(nand_flash, status, lg, 0); | ||
| 94 | } | ||
| 95 | } | ||
| 96 | } | ||
| 97 | |||
| 98 | return(LX_SUCCESS); | ||
| 99 | |||
| 100 | #else | ||
| 101 | |||
| 102 | LX_PARAMETER_NOT_USED(nand_flash); | ||
| 103 | |||
| 104 | /* Return not supported. */ | ||
| 105 | 20 | return(LX_NOT_SUPPORTED); | |
| 106 | |||
| 107 | #endif /* LX_NAND_FLASH_ENABLE_LAZY_SECTOR_RELEASE */ | ||
| 108 | } | ||
| 109 | |||
| 110 | |||
| 111 |