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 | |