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89 lines
2.3 KiB
89 lines
2.3 KiB
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
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/* |
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* Name : qnx4_fs.h |
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* Author : Richard Frowijn |
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* Function : qnx4 global filesystem definitions |
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* History : 23-03-1998 created |
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*/ |
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#ifndef _LINUX_QNX4_FS_H |
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#define _LINUX_QNX4_FS_H |
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#include <linux/types.h> |
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#include <linux/qnxtypes.h> |
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#include <linux/magic.h> |
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#define QNX4_ROOT_INO 1 |
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#define QNX4_MAX_XTNTS_PER_XBLK 60 |
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/* for di_status */ |
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#define QNX4_FILE_USED 0x01 |
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#define QNX4_FILE_MODIFIED 0x02 |
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#define QNX4_FILE_BUSY 0x04 |
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#define QNX4_FILE_LINK 0x08 |
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#define QNX4_FILE_INODE 0x10 |
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#define QNX4_FILE_FSYSCLEAN 0x20 |
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#define QNX4_I_MAP_SLOTS 8 |
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#define QNX4_Z_MAP_SLOTS 64 |
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#define QNX4_VALID_FS 0x0001 /* Clean fs. */ |
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#define QNX4_ERROR_FS 0x0002 /* fs has errors. */ |
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#define QNX4_BLOCK_SIZE 0x200 /* blocksize of 512 bytes */ |
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#define QNX4_BLOCK_SIZE_BITS 9 /* blocksize shift */ |
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#define QNX4_DIR_ENTRY_SIZE 0x040 /* dir entry size of 64 bytes */ |
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#define QNX4_DIR_ENTRY_SIZE_BITS 6 /* dir entry size shift */ |
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#define QNX4_XBLK_ENTRY_SIZE 0x200 /* xblk entry size */ |
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#define QNX4_INODES_PER_BLOCK 0x08 /* 512 / 64 */ |
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/* for filenames */ |
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#define QNX4_SHORT_NAME_MAX 16 |
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#define QNX4_NAME_MAX 48 |
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/* |
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* This is the original qnx4 inode layout on disk. |
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*/ |
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struct qnx4_inode_entry { |
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char di_fname[QNX4_SHORT_NAME_MAX]; |
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qnx4_off_t di_size; |
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qnx4_xtnt_t di_first_xtnt; |
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__le32 di_xblk; |
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__le32 di_ftime; |
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__le32 di_mtime; |
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__le32 di_atime; |
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__le32 di_ctime; |
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qnx4_nxtnt_t di_num_xtnts; |
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qnx4_mode_t di_mode; |
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qnx4_muid_t di_uid; |
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qnx4_mgid_t di_gid; |
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qnx4_nlink_t di_nlink; |
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__u8 di_zero[4]; |
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qnx4_ftype_t di_type; |
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__u8 di_status; |
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}; |
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struct qnx4_link_info { |
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char dl_fname[QNX4_NAME_MAX]; |
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__le32 dl_inode_blk; |
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__u8 dl_inode_ndx; |
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__u8 dl_spare[10]; |
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__u8 dl_status; |
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}; |
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struct qnx4_xblk { |
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__le32 xblk_next_xblk; |
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__le32 xblk_prev_xblk; |
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__u8 xblk_num_xtnts; |
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__u8 xblk_spare[3]; |
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__le32 xblk_num_blocks; |
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qnx4_xtnt_t xblk_xtnts[QNX4_MAX_XTNTS_PER_XBLK]; |
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char xblk_signature[8]; |
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qnx4_xtnt_t xblk_first_xtnt; |
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}; |
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struct qnx4_super_block { |
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struct qnx4_inode_entry RootDir; |
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struct qnx4_inode_entry Inode; |
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struct qnx4_inode_entry Boot; |
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struct qnx4_inode_entry AltBoot; |
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}; |
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#endif
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