1 /* ---------------------------------------------------------------------------- 2 * Copyright (c) Huawei Technologies Co., Ltd. 2023-2023. All rights reserved. 3 * Description: LiteOS VFS Private Headfile 4 * Author: Huawei LiteOS Team 5 * Create: 2023-1-31 6 * Redistribution and use in source and binary forms, with or without modification, 7 * are permitted provided that the following conditions are met: 8 * 1. Redistributions of source code must retain the above copyright notice, this list of 9 * conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright notice, this list 11 * of conditions and the following disclaimer in the documentation and/or other materials 12 * provided with the distribution. 13 * 3. Neither the name of the copyright holder nor the names of its contributors may be used 14 * to endorse or promote products derived from this software without specific prior written 15 * permission. 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 18 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 20 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 21 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 23 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 24 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 25 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 26 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * --------------------------------------------------------------------------- */ 28 29 #ifndef _VFS_EXTEND_H 30 #define _VFS_EXTEND_H 31 32 #include "los_fs.h" 33 34 #define MS_RDONLY 1 35 #define MS_NOSYNC 2 36 37 #define FALLOC_FL_KEEP_SIZE 1 /* extend size */ 38 39 #ifdef LOSCFG_FS_FAT 40 /* Format options (3rd argument of format) */ 41 #define FMT_FAT 0x01 42 #define FMT_FAT32 0x02 43 #define FMT_ANY 0x07 44 #define FMT_ERASE 0x08 45 46 /* system time flag for FAT */ 47 #define FAT_SYSTEM_TIME_ENABLE 0x01 48 #define FAT_SYSTEM_TIME_DISABLE 0x00 49 #endif 50 51 #ifdef LOSCFG_FS_PROC 52 #define PROCFS_MOUNT_POINT "/proc" 53 #define PROCFS_MOUNT_POINT_SIZE (sizeof(PROCFS_MOUNT_POINT) - 1) 54 #endif 55 56 #ifdef LOSCFG_FS_YAFFS 57 #define YAFFS_MOUNT_POINT "/yaffs" 58 #define YAFFS_MOUNT_POINT_SIZE (sizeof(YAFFS_MOUNT_POINT) - 1) 59 #endif 60 61 #ifdef LOSCFG_FS_RAMFS 62 #define RAMFS_MOUNT_POINT "/ramfs" 63 #define RAMFS_MOUNT_POINT_SIZE (sizeof(RAMFS_MOUNT_POINT) - 1) 64 #endif 65 66 /* yaffs and fatfs cache configur */ 67 /* config block size for fat file system, only can be 0,32,64,128,256,512,1024 */ 68 69 #define CONFIG_FS_FAT_SECTOR_PER_BLOCK 256 70 #define CONFIG_NFILE_DESCRIPTORS_PER_BLOCK CONFIG_NFILE_DESCRIPTORS 71 /* config block num for fat file system */ 72 73 #ifdef LOSCFG_FS_FAT_BLOCK_NUMS 74 #define CONFIG_FS_FAT_BLOCK_NUMS LOSCFG_FS_FAT_BLOCK_NUMS 75 #else 76 #define CONFIG_FS_FAT_BLOCK_NUMS 32 77 #endif 78 79 #ifdef LOSCFG_FS_FAT_CACHE_SYNC_THREAD 80 81 /* config the priority of sync task */ 82 83 #define CONFIG_FS_FAT_SYNC_THREAD_PRIO 10 84 85 /* config dirty ratio of bcache for fat file system */ 86 87 #define CONFIG_FS_FAT_DIRTY_RATIO 50 88 89 /* config time interval of sync thread for fat file system, in milliseconds */ 90 91 #define CONFIG_FS_FAT_SYNC_INTERVAL 5000 92 #endif 93 94 #define CONFIG_FS_FLASH_BLOCK_NUM 1 95 96 /* page numbers of per yaffs block */ 97 98 #define CONFIG_FS_YLIB_PAGE_PER_BLOCK (64 * CONFIG_FS_FLASH_BLOCK_NUM) 99 100 /* config erase size for yaffs file system */ 101 102 #define CONFIG_FS_YAFFS_BLOCK_ERASE_SIZE (2048 * CONFIG_FS_YLIB_PAGE_PER_BLOCK) 103 104 /* config block size for yaffs file system */ 105 106 #define CONFIG_FS_YAFFS_BLOCK_SIZE ((2048 + 64) * CONFIG_FS_YLIB_PAGE_PER_BLOCK) 107 108 /* config cache size for yaffs file system */ 109 110 #define CONFIG_FS_YAFFS_BLOCK_CACHE_MEMSIZE (16*CONFIG_FS_YAFFS_BLOCK_SIZE) 111 112 #endif /* _VFS_EXTEND_H */ 113