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6f52b16c | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
1da177e4 LT |
2 | /* |
3 | * Name : qnx4_fs.h | |
4 | * Author : Richard Frowijn | |
5 | * Function : qnx4 global filesystem definitions | |
1da177e4 LT |
6 | * History : 23-03-1998 created |
7 | */ | |
8 | #ifndef _LINUX_QNX4_FS_H | |
9 | #define _LINUX_QNX4_FS_H | |
10 | ||
8d1a0a13 | 11 | #include <linux/types.h> |
1da177e4 | 12 | #include <linux/qnxtypes.h> |
e18fa700 | 13 | #include <linux/magic.h> |
1da177e4 LT |
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 | |
1da177e4 LT |
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; | |
75043cb5 AD |
48 | __le32 di_xblk; |
49 | __le32 di_ftime; | |
50 | __le32 di_mtime; | |
51 | __le32 di_atime; | |
52 | __le32 di_ctime; | |
1da177e4 LT |
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]; | |
75043cb5 | 65 | __le32 dl_inode_blk; |
1da177e4 LT |
66 | __u8 dl_inode_ndx; |
67 | __u8 dl_spare[10]; | |
68 | __u8 dl_status; | |
69 | }; | |
70 | ||
71 | struct qnx4_xblk { | |
75043cb5 AD |
72 | __le32 xblk_next_xblk; |
73 | __le32 xblk_prev_xblk; | |
1da177e4 LT |
74 | __u8 xblk_num_xtnts; |
75 | __u8 xblk_spare[3]; | |
75043cb5 | 76 | __le32 xblk_num_blocks; |
1da177e4 LT |
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 | ||
1da177e4 | 89 | #endif |