1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 | /* SPDX-License-Identifier: GPL-2.0 */ /* * Name : qnx6_fs.h * Author : Kai Bankett * Function : qnx6 global filesystem definitions * History : 17-01-2012 created */ #ifndef _LINUX_QNX6_FS_H #define _LINUX_QNX6_FS_H #include <linux/types.h> #include <linux/magic.h> #define QNX6_ROOT_INO 1 /* for di_status */ #define QNX6_FILE_DIRECTORY 0x01 #define QNX6_FILE_DELETED 0x02 #define QNX6_FILE_NORMAL 0x03 #define QNX6_SUPERBLOCK_SIZE 0x200 /* superblock always is 512 bytes */ #define QNX6_SUPERBLOCK_AREA 0x1000 /* area reserved for superblock */ #define QNX6_BOOTBLOCK_SIZE 0x2000 /* heading bootblock area */ #define QNX6_DIR_ENTRY_SIZE 0x20 /* dir entry size of 32 bytes */ #define QNX6_INODE_SIZE 0x80 /* each inode is 128 bytes */ #define QNX6_INODE_SIZE_BITS 7 /* inode entry size shift */ #define QNX6_NO_DIRECT_POINTERS 16 /* 16 blockptrs in sbl/inode */ #define QNX6_PTR_MAX_LEVELS 5 /* maximum indirect levels */ /* for filenames */ #define QNX6_SHORT_NAME_MAX 27 #define QNX6_LONG_NAME_MAX 510 /* list of mount options */ #define QNX6_MOUNT_MMI_FS 0x010000 /* mount as Audi MMI 3G fs */ /* * This is the original qnx6 inode layout on disk. * Each inode is 128 byte long. */ struct qnx6_inode_entry { __fs64 di_size; __fs32 di_uid; __fs32 di_gid; __fs32 di_ftime; __fs32 di_mtime; __fs32 di_atime; __fs32 di_ctime; __fs16 di_mode; __fs16 di_ext_mode; __fs32 di_block_ptr[QNX6_NO_DIRECT_POINTERS]; __u8 di_filelevels; __u8 di_status; __u8 di_unknown2[2]; __fs32 di_zero2[6]; }; /* * Each directory entry is maximum 32 bytes long. * If more characters or special characters required it is stored * in the longfilenames structure. */ struct qnx6_dir_entry { __fs32 de_inode; __u8 de_size; char de_fname[QNX6_SHORT_NAME_MAX]; }; /* * Longfilename direntries have a different structure */ struct qnx6_long_dir_entry { __fs32 de_inode; __u8 de_size; __u8 de_unknown[3]; __fs32 de_long_inode; __fs32 de_checksum; }; struct qnx6_long_filename { __fs16 lf_size; __u8 lf_fname[QNX6_LONG_NAME_MAX]; }; struct qnx6_root_node { __fs64 size; __fs32 ptr[QNX6_NO_DIRECT_POINTERS]; __u8 levels; __u8 mode; __u8 spare[6]; }; struct qnx6_super_block { __fs32 sb_magic; __fs32 sb_checksum; __fs64 sb_serial; __fs32 sb_ctime; /* time the fs was created */ __fs32 sb_atime; /* last access time */ __fs32 sb_flags; __fs16 sb_version1; /* filesystem version information */ __fs16 sb_version2; /* filesystem version information */ __u8 sb_volumeid[16]; __fs32 sb_blocksize; __fs32 sb_num_inodes; __fs32 sb_free_inodes; __fs32 sb_num_blocks; __fs32 sb_free_blocks; __fs32 sb_allocgroup; struct qnx6_root_node Inode; struct qnx6_root_node Bitmap; struct qnx6_root_node Longfile; struct qnx6_root_node Unknown; }; /* Audi MMI 3G superblock layout is different to plain qnx6 */ struct qnx6_mmi_super_block { __fs32 sb_magic; __fs32 sb_checksum; __fs64 sb_serial; __u8 sb_spare0[12]; __u8 sb_id[12]; __fs32 sb_blocksize; __fs32 sb_num_inodes; __fs32 sb_free_inodes; __fs32 sb_num_blocks; __fs32 sb_free_blocks; __u8 sb_spare1[4]; struct qnx6_root_node Inode; struct qnx6_root_node Bitmap; struct qnx6_root_node Longfile; struct qnx6_root_node Unknown; }; #endif |