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 */ 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#endif 90