xref: /netbsd-src/sys/fs/ntfs/ntfs_inode.h (revision d48f14661dda8638fee055ba15d35bdfb29b9fa8)
1 /*	$NetBSD: ntfs_inode.h,v 1.3 2005/12/03 17:34:43 christos Exp $	*/
2 
3 /*-
4  * Copyright (c) 1998, 1999 Semen Ustimenko
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  *
28  *	Id: ntfs_inode.h,v 1.4 1999/05/12 09:43:00 semenu Exp
29  */
30 
31 #ifndef _NTFS_NTFS_INODE_H_
32 #define _NTFS_NTFS_INODE_H_
33 #include <miscfs/genfs/genfs_node.h>
34 
35 /* These flags are kept in i_flag. */
36 #if defined(__FreeBSD__)
37 #define	IN_ACCESS	0x0001	/* Access time update request. */
38 #define	IN_CHANGE	0x0002	/* Inode change time update request. */
39 #define	IN_UPDATE	0x0004	/* Modification time update request. */
40 #define	IN_MODIFIED	0x0008	/* Inode has been modified. */
41 #define	IN_RENAME	0x0010	/* Inode is being renamed. */
42 #define	IN_SHLOCK	0x0020	/* File has shared lock. */
43 #define	IN_EXLOCK	0x0040	/* File has exclusive lock. */
44 #define	IN_LAZYMOD	0x0080	/* Modified, but don't write yet. */
45 #else /* defined(__NetBSD__) */
46 #define	IN_ACCESS	0x0001	/* Access time update request. */
47 #define	IN_CHANGE	0x0002	/* Inode change time update request. */
48 #define	IN_EXLOCK	0x0004	/* File has exclusive lock. */
49 #define	IN_LOCKED	0x0008	/* Inode lock. */
50 #define	IN_LWAIT	0x0010	/* Process waiting on file lock. */
51 #define	IN_MODIFIED	0x0020	/* Inode has been modified. */
52 #define	IN_RENAME	0x0040	/* Inode is being renamed. */
53 #define	IN_SHLOCK	0x0080	/* File has shared lock. */
54 #define	IN_UPDATE	0x0100	/* Modification time update request. */
55 #define	IN_WANTED	0x0200	/* Inode is wanted by a process. */
56 #define	IN_RECURSE	0x0400	/* Recursion expected */
57 #endif
58 
59 #define	IN_HASHED	0x0800	/* Inode is on hash list */
60 #define	IN_LOADED	0x8000	/* ntvattrs loaded */
61 #define	IN_PRELOADED	0x4000	/* loaded from directory entry */
62 
63 struct ntnode {
64 	struct vnode   *i_devvp;	/* vnode of blk dev we live on */
65 	dev_t           i_dev;		/* Device associated with the inode. */
66 
67 	LIST_ENTRY(ntnode)	i_hash;
68 	struct ntnode  *i_next;
69 	struct ntnode **i_prev;
70 	struct ntfsmount       *i_mp;
71 	ino_t           i_number;
72 	u_int32_t       i_flag;
73 
74 	/* locking */
75 	struct lock	i_lock;
76 	struct simplelock i_interlock;
77 	int		i_usecount;
78 
79 	LIST_HEAD(,fnode)	i_fnlist;
80 	LIST_HEAD(,ntvattr)	i_valist;
81 
82 	long		i_nlink;	/* MFR */
83 	ino_t		i_mainrec;	/* MFR */
84 	u_int32_t	i_frflag;	/* MFR */
85 };
86 
87 #define	FN_PRELOADED	0x0001
88 #define	FN_VALID	0x0002
89 #define	FN_AATTRNAME	0x0004	/* space allocated for f_attrname */
90 struct fnode {
91 #ifdef __FreeBSD__
92 	struct lock	f_lock;	/* fnode lock >Keep this first< */
93 #endif
94 	struct genfs_node f_gnode;
95 
96 	LIST_ENTRY(fnode) f_fnlist;
97 	struct vnode   *f_vp;		/* Associatied vnode */
98 	struct ntnode  *f_ip;		/* Associated ntnode */
99 	u_long		f_flag;
100 
101 	ntfs_times_t	f_times;	/* $NAME/dirinfo */
102 	ino_t		f_pnumber;	/* $NAME/dirinfo */
103 	u_int32_t       f_fflag;	/* $NAME/dirinfo */
104 	u_int64_t	f_size;		/* defattr/dirinfo: */
105 	u_int64_t	f_allocated;	/* defattr/dirinfo */
106 
107 	u_int32_t	f_attrtype;
108 	char	       *f_attrname;
109 
110 	/* for ntreaddir */
111 	u_int32_t       f_lastdattr;
112 	u_int32_t       f_lastdblnum;
113 	u_int32_t       f_lastdoff;
114 	u_int32_t       f_lastdnum;
115 	caddr_t         f_dirblbuf;
116 	u_int32_t       f_dirblsz;
117 };
118 
119 /* This overlays the fid structure (see <sys/mount.h>) */
120 struct ntfid {
121 	u_int16_t ntfid_len;	/* Length of structure. */
122 	u_int16_t ntfid_pad;	/* Force 32-bit alignment. */
123 	ino_t     ntfid_ino;	/* File number (ino). */
124 	u_int8_t  ntfid_attr;	/* Attribute identifier */
125 #ifdef notyet
126 	int32_t   ntfid_gen;	/* Generation number. */
127 #endif
128 };
129 #endif /* _NTFS_NTFS_INODE_H_ */
130