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1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */2/*3 * Name : qnx4_fs.h4 * Author : Richard Frowijn5 * Function : qnx4 global filesystem definitions6 * History : 23-03-1998 created7 */8#ifndef _LINUX_QNX4_FS_H9#define _LINUX_QNX4_FS_H10 11#include <linux/types.h>12#include <linux/qnxtypes.h>13#include <linux/magic.h>14 15#define QNX4_ROOT_INO 116 17#define QNX4_MAX_XTNTS_PER_XBLK 6018/* for di_status */19#define QNX4_FILE_USED 0x0120#define QNX4_FILE_MODIFIED 0x0221#define QNX4_FILE_BUSY 0x0422#define QNX4_FILE_LINK 0x0823#define QNX4_FILE_INODE 0x1024#define QNX4_FILE_FSYSCLEAN 0x2025 26#define QNX4_I_MAP_SLOTS 827#define QNX4_Z_MAP_SLOTS 6428#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 1639#define QNX4_NAME_MAX 4840 41/*42 * This is the original qnx4 inode layout on disk.43 */44struct 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 63struct 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 71struct 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 82struct 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#endif90