ext4_common.h 3.1 KB

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  1. /*
  2. * (C) Copyright 2011 - 2012 Samsung Electronics
  3. * EXT4 filesystem implementation in Uboot by
  4. * Uma Shankar <uma.shankar@samsung.com>
  5. * Manjunatha C Achar <a.manjunatha@samsung.com>
  6. *
  7. * ext4ls and ext4load : based on ext2 ls load support in Uboot.
  8. *
  9. * (C) Copyright 2004
  10. * esd gmbh <www.esd-electronics.com>
  11. * Reinhard Arlt <reinhard.arlt@esd-electronics.com>
  12. *
  13. * based on code from grub2 fs/ext2.c and fs/fshelp.c by
  14. * GRUB -- GRand Unified Bootloader
  15. * Copyright (C) 2003, 2004 Free Software Foundation, Inc.
  16. *
  17. * ext4write : Based on generic ext4 protocol.
  18. *
  19. * This program is free software; you can redistribute it and/or modify
  20. * it under the terms of the GNU General Public License as published by
  21. * the Free Software Foundation; either version 2 of the License, or
  22. * (at your option) any later version.
  23. *
  24. * This program is distributed in the hope that it will be useful,
  25. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  26. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  27. * GNU General Public License for more details.
  28. *
  29. * You should have received a copy of the GNU General Public License
  30. * along with this program; if not, write to the Free Software
  31. * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  32. */
  33. #ifndef __EXT4_COMMON__
  34. #define __EXT4_COMMON__
  35. #include <ext_common.h>
  36. #include <ext4fs.h>
  37. #include <malloc.h>
  38. #include <asm/errno.h>
  39. #if defined(CONFIG_CMD_EXT4_WRITE)
  40. #include "ext4_journal.h"
  41. #include "crc16.h"
  42. #endif
  43. #define YES 1
  44. #define NO 0
  45. #define TRUE 1
  46. #define FALSE 0
  47. #define RECOVER 1
  48. #define SCAN 0
  49. #define S_IFLNK 0120000 /* symbolic link */
  50. #define BLOCK_NO_ONE 1
  51. #define SUPERBLOCK_SECTOR 2
  52. #define SUPERBLOCK_SIZE 1024
  53. #define F_FILE 1
  54. #define zalloc(size) calloc(1, size)
  55. extern unsigned long part_offset;
  56. int ext4fs_read_inode(struct ext2_data *data, int ino,
  57. struct ext2_inode *inode);
  58. int ext4fs_read_file(struct ext2fs_node *node, int pos,
  59. unsigned int len, char *buf);
  60. int ext4fs_find_file(const char *path, struct ext2fs_node *rootnode,
  61. struct ext2fs_node **foundnode, int expecttype);
  62. int ext4fs_iterate_dir(struct ext2fs_node *dir, char *name,
  63. struct ext2fs_node **fnode, int *ftype);
  64. #if defined(CONFIG_CMD_EXT4_WRITE)
  65. uint32_t ext4fs_div_roundup(uint32_t size, uint32_t n);
  66. int ext4fs_checksum_update(unsigned int i);
  67. int ext4fs_get_parent_inode_num(const char *dirname, char *dname, int flags);
  68. void ext4fs_update_parent_dentry(char *filename, int *p_ino, int file_type);
  69. long int ext4fs_get_new_blk_no(void);
  70. int ext4fs_get_new_inode_no(void);
  71. void ext4fs_reset_block_bmap(long int blockno, unsigned char *buffer,
  72. int index);
  73. int ext4fs_set_block_bmap(long int blockno, unsigned char *buffer, int index);
  74. int ext4fs_set_inode_bmap(int inode_no, unsigned char *buffer, int index);
  75. void ext4fs_reset_inode_bmap(int inode_no, unsigned char *buffer, int index);
  76. int ext4fs_iget(int inode_no, struct ext2_inode *inode);
  77. void ext4fs_allocate_blocks(struct ext2_inode *file_inode,
  78. unsigned int total_remaining_blocks,
  79. unsigned int *total_no_of_block);
  80. void put_ext4(uint64_t off, void *buf, uint32_t size);
  81. #endif
  82. #endif