Line data    Source code

       1            0 : /*
       2              :  * Copyright (c) 2023 Antmicro <www.antmicro.com>
       3              :  *
       4              :  * SPDX-License-Identifier: Apache-2.0
       5              :  */
       6              : 
       7              : #ifndef ZEPHYR_INCLUDE_FS_EXT2_H_
       8              : #define ZEPHYR_INCLUDE_FS_EXT2_H_
       9              : 
      10              : #include <stdint.h>
      11              : 
      12              : /** @brief Configuration used to format ext2 file system.
      13              :  *
      14              :  * If a field is set to 0 then default value is used.
      15              :  * (In volume name the first cell of an array must be 0 to use default value.)
      16              :  *
      17              :  * @param block_size Requested size of block.
      18              :  * @param fs_size Requested size of file system. If 0 then whole available memory is used.
      19              :  * @param bytes_per_inode Requested memory for one inode. It is used to calculate number of inodes
      20              :  *      in created file system.
      21              :  * @param uuid UUID for created file system. Used when set_uuid is true.
      22              :  * @param volume_name Name for created file system.
      23              :  * @param set_uuid If true then UUID from that structure is used in created file system.
      24              :  *      If false then UUID (ver4) is generated.
      25              :  */
      26            1 : struct ext2_cfg {
      27            0 :         uint32_t block_size;
      28            0 :         uint32_t fs_size; /* Number of blocks that we want to take. */
      29            0 :         uint32_t bytes_per_inode;
      30            0 :         uint8_t uuid[16];
      31            0 :         uint8_t volume_name[17]; /* If first byte is 0 then name ext2" is given. */
      32            0 :         bool set_uuid;
      33              : };
      34              : 
      35            0 : #define FS_EXT2_DECLARE_DEFAULT_CONFIG(name)                    \
      36              :         static struct ext2_cfg name = {                         \
      37              :                 .block_size = 1024,                             \
      38              :                 .fs_size = 0x800000,                            \
      39              :                 .bytes_per_inode = 4096,                        \
      40              :                 .volume_name = {'e', 'x', 't', '2', '\0'},      \
      41              :                 .set_uuid = false,                              \
      42              :         }
      43              : 
      44              : 
      45              : #endif /* ZEPHYR_INCLUDE_FS_EXT2_H_ */