1 /* 2 * Name : qnx4_fs.h 3 * Author : Richard Frowijn 4 * Function : qnx4 global filesystem definitions 5 * Version : 1.0.2 6 * Last modified : 2000-01-31 7 * 8 * History : 23-03-1998 created 9 */ 10 #ifndef _LINUX_QNX4_FS_H 11 #define _LINUX_QNX4_FS_H 12 13 #include <linux/qnxtypes.h> 14 #include <linux/magic.h> 15 16 #define QNX4_ROOT_INO 1 17 18 #define QNX4_MAX_XTNTS_PER_XBLK 60 19 /* for di_status */ 20 #define QNX4_FILE_USED 0x01 21 #define QNX4_FILE_MODIFIED 0x02 22 #define QNX4_FILE_BUSY 0x04 23 #define QNX4_FILE_LINK 0x08 24 #define QNX4_FILE_INODE 0x10 25 #define QNX4_FILE_FSYSCLEAN 0x20 26 27 #define QNX4_I_MAP_SLOTS 8 28 #define QNX4_Z_MAP_SLOTS 64 29 #define QNX4_VALID_FS 0x0001 /* Clean fs. */ 30 #define QNX4_ERROR_FS 0x0002 /* fs has errors. */ 31 #define QNX4_BLOCK_SIZE 0x200 /* blocksize of 512 bytes */ 32 #define QNX4_BLOCK_SIZE_BITS 9 /* blocksize shift */ 33 #define QNX4_DIR_ENTRY_SIZE 0x040 /* dir entry size of 64 bytes */ 34 #define QNX4_DIR_ENTRY_SIZE_BITS 6 /* dir entry size shift */ 35 #define QNX4_XBLK_ENTRY_SIZE 0x200 /* xblk entry size */ 36 #define QNX4_INODES_PER_BLOCK 0x08 /* 512 / 64 */ 37 38 /* for filenames */ 39 #define QNX4_SHORT_NAME_MAX 16 40 #define QNX4_NAME_MAX 48 41 42 /* 43 * This is the original qnx4 inode layout on disk. 44 */ 45 struct qnx4_inode_entry { 46 char di_fname[QNX4_SHORT_NAME_MAX]; 47 qnx4_off_t di_size; 48 qnx4_xtnt_t di_first_xtnt; 49 __le32 di_xblk; 50 __le32 di_ftime; 51 __le32 di_mtime; 52 __le32 di_atime; 53 __le32 di_ctime; 54 qnx4_nxtnt_t di_num_xtnts; 55 qnx4_mode_t di_mode; 56 qnx4_muid_t di_uid; 57 qnx4_mgid_t di_gid; 58 qnx4_nlink_t di_nlink; 59 __u8 di_zero[4]; 60 qnx4_ftype_t di_type; 61 __u8 di_status; 62 }; 63 64 struct qnx4_link_info { 65 char dl_fname[QNX4_NAME_MAX]; 66 __le32 dl_inode_blk; 67 __u8 dl_inode_ndx; 68 __u8 dl_spare[10]; 69 __u8 dl_status; 70 }; 71 72 struct qnx4_xblk { 73 __le32 xblk_next_xblk; 74 __le32 xblk_prev_xblk; 75 __u8 xblk_num_xtnts; 76 __u8 xblk_spare[3]; 77 __le32 xblk_num_blocks; 78 qnx4_xtnt_t xblk_xtnts[QNX4_MAX_XTNTS_PER_XBLK]; 79 char xblk_signature[8]; 80 qnx4_xtnt_t xblk_first_xtnt; 81 }; 82 83 struct qnx4_super_block { 84 struct qnx4_inode_entry RootDir; 85 struct qnx4_inode_entry Inode; 86 struct qnx4_inode_entry Boot; 87 struct qnx4_inode_entry AltBoot; 88 }; 89 90 91 #endif 92