| Kyle Swenson | 8d8f654 | 2021-03-15 11:02:55 -0600 | [diff] [blame^] | 1 | /* |
| 2 | * Name : qnx4_fs.h |
| 3 | * Author : Richard Frowijn |
| 4 | * Function : qnx4 global filesystem definitions |
| 5 | * History : 23-03-1998 created |
| 6 | */ |
| 7 | #ifndef _LINUX_QNX4_FS_H |
| 8 | #define _LINUX_QNX4_FS_H |
| 9 | |
| 10 | #include <linux/types.h> |
| 11 | #include <linux/qnxtypes.h> |
| 12 | #include <linux/magic.h> |
| 13 | |
| 14 | #define QNX4_ROOT_INO 1 |
| 15 | |
| 16 | #define QNX4_MAX_XTNTS_PER_XBLK 60 |
| 17 | /* for di_status */ |
| 18 | #define QNX4_FILE_USED 0x01 |
| 19 | #define QNX4_FILE_MODIFIED 0x02 |
| 20 | #define QNX4_FILE_BUSY 0x04 |
| 21 | #define QNX4_FILE_LINK 0x08 |
| 22 | #define QNX4_FILE_INODE 0x10 |
| 23 | #define QNX4_FILE_FSYSCLEAN 0x20 |
| 24 | |
| 25 | #define QNX4_I_MAP_SLOTS 8 |
| 26 | #define QNX4_Z_MAP_SLOTS 64 |
| 27 | #define QNX4_VALID_FS 0x0001 /* Clean fs. */ |
| 28 | #define QNX4_ERROR_FS 0x0002 /* fs has errors. */ |
| 29 | #define QNX4_BLOCK_SIZE 0x200 /* blocksize of 512 bytes */ |
| 30 | #define QNX4_BLOCK_SIZE_BITS 9 /* blocksize shift */ |
| 31 | #define QNX4_DIR_ENTRY_SIZE 0x040 /* dir entry size of 64 bytes */ |
| 32 | #define QNX4_DIR_ENTRY_SIZE_BITS 6 /* dir entry size shift */ |
| 33 | #define QNX4_XBLK_ENTRY_SIZE 0x200 /* xblk entry size */ |
| 34 | #define QNX4_INODES_PER_BLOCK 0x08 /* 512 / 64 */ |
| 35 | |
| 36 | /* for filenames */ |
| 37 | #define QNX4_SHORT_NAME_MAX 16 |
| 38 | #define QNX4_NAME_MAX 48 |
| 39 | |
| 40 | /* |
| 41 | * This is the original qnx4 inode layout on disk. |
| 42 | */ |
| 43 | struct qnx4_inode_entry { |
| 44 | char di_fname[QNX4_SHORT_NAME_MAX]; |
| 45 | qnx4_off_t di_size; |
| 46 | qnx4_xtnt_t di_first_xtnt; |
| 47 | __le32 di_xblk; |
| 48 | __le32 di_ftime; |
| 49 | __le32 di_mtime; |
| 50 | __le32 di_atime; |
| 51 | __le32 di_ctime; |
| 52 | qnx4_nxtnt_t di_num_xtnts; |
| 53 | qnx4_mode_t di_mode; |
| 54 | qnx4_muid_t di_uid; |
| 55 | qnx4_mgid_t di_gid; |
| 56 | qnx4_nlink_t di_nlink; |
| 57 | __u8 di_zero[4]; |
| 58 | qnx4_ftype_t di_type; |
| 59 | __u8 di_status; |
| 60 | }; |
| 61 | |
| 62 | struct qnx4_link_info { |
| 63 | char dl_fname[QNX4_NAME_MAX]; |
| 64 | __le32 dl_inode_blk; |
| 65 | __u8 dl_inode_ndx; |
| 66 | __u8 dl_spare[10]; |
| 67 | __u8 dl_status; |
| 68 | }; |
| 69 | |
| 70 | struct qnx4_xblk { |
| 71 | __le32 xblk_next_xblk; |
| 72 | __le32 xblk_prev_xblk; |
| 73 | __u8 xblk_num_xtnts; |
| 74 | __u8 xblk_spare[3]; |
| 75 | __le32 xblk_num_blocks; |
| 76 | qnx4_xtnt_t xblk_xtnts[QNX4_MAX_XTNTS_PER_XBLK]; |
| 77 | char xblk_signature[8]; |
| 78 | qnx4_xtnt_t xblk_first_xtnt; |
| 79 | }; |
| 80 | |
| 81 | struct qnx4_super_block { |
| 82 | struct qnx4_inode_entry RootDir; |
| 83 | struct qnx4_inode_entry Inode; |
| 84 | struct qnx4_inode_entry Boot; |
| 85 | struct qnx4_inode_entry AltBoot; |
| 86 | }; |
| 87 | |
| 88 | #endif |