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편집 파일: qnx6_fs.h

/* 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