1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 /* 3 * Name : qnx4_fs.h 4 * Author : Richard Frowijn 5 * Function : qnx4 global filesystem definitions 6 * History : 23-03-1998 created 7 */ 8 #ifndef _LINUX_QNX4_FS_H 9 #define _LINUX_QNX4_FS_H 10 11 #include <linux/types.h> 12 #include <linux/qnxtypes.h> 13 #include <linux/magic.h> 14 15 #define QNX4_ROOT_INO 1 16 17 #define QNX4_MAX_XTNTS_PER_XBLK 60 18 /* for di_status */ 19 #define QNX4_FILE_USED 0x01 20 #define QNX4_FILE_MODIFIED 0x02 21 #define QNX4_FILE_BUSY 0x04 22 #define QNX4_FILE_LINK 0x08 23 #define QNX4_FILE_INODE 0x10 24 #define QNX4_FILE_FSYSCLEAN 0x20 25 26 #define QNX4_I_MAP_SLOTS 8 27 #define QNX4_Z_MAP_SLOTS 64 28 #define QNX4_VALID_FS 0x0001 /* Clean fs. */ 29 #define QNX4_ERROR_FS 0x0002 /* fs has errors. */ 30 #define QNX4_BLOCK_SIZE 0x200 /* blocksize of 512 bytes */ 31 #define QNX4_BLOCK_SIZE_BITS 9 /* blocksize shift */ 32 #define QNX4_DIR_ENTRY_SIZE 0x040 /* dir entry size of 64 bytes */ 33 #define QNX4_DIR_ENTRY_SIZE_BITS 6 /* dir entry size shift */ 34 #define QNX4_XBLK_ENTRY_SIZE 0x200 /* xblk entry size */ 35 #define QNX4_INODES_PER_BLOCK 0x08 /* 512 / 64 */ 36 37 /* for filenames */ 38 #define QNX4_SHORT_NAME_MAX 16 39 #define QNX4_NAME_MAX 48 40 41 /* 42 * This is the original qnx4 inode layout on disk. 43 */ 44 struct qnx4_inode_entry { 45 char di_fname[QNX4_SHORT_NAME_MAX]; 46 qnx4_off_t di_size; 47 qnx4_xtnt_t di_first_xtnt; 48 __le32 di_xblk; 49 __le32 di_ftime; 50 __le32 di_mtime; 51 __le32 di_atime; 52 __le32 di_ctime; 53 qnx4_nxtnt_t di_num_xtnts; 54 qnx4_mode_t di_mode; 55 qnx4_muid_t di_uid; 56 qnx4_mgid_t di_gid; 57 qnx4_nlink_t di_nlink; 58 __u8 di_zero[4]; 59 qnx4_ftype_t di_type; 60 __u8 di_status; 61 }; 62 63 struct qnx4_link_info { 64 char dl_fname[QNX4_NAME_MAX]; 65 __le32 dl_inode_blk; 66 __u8 dl_inode_ndx; 67 __u8 dl_spare[10]; 68 __u8 dl_status; 69 }; 70 71 struct qnx4_xblk { 72 __le32 xblk_next_xblk; 73 __le32 xblk_prev_xblk; 74 __u8 xblk_num_xtnts; 75 __u8 xblk_spare[3]; 76 __le32 xblk_num_blocks; 77 qnx4_xtnt_t xblk_xtnts[QNX4_MAX_XTNTS_PER_XBLK]; 78 char xblk_signature[8]; 79 qnx4_xtnt_t xblk_first_xtnt; 80 }; 81 82 struct qnx4_super_block { 83 struct qnx4_inode_entry RootDir; 84 struct qnx4_inode_entry Inode; 85 struct qnx4_inode_entry Boot; 86 struct qnx4_inode_entry AltBoot; 87 }; 88 89 #endif 90
