| /* |
| * 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 |