xref: /netbsd-src/sys/fs/ntfs/ntfs_inode.h (revision b65866563fa97cb7eba5365c41186a4e4d222db1)
1 /*	$NetBSD: ntfs_inode.h,v 1.10 2024/12/05 21:24:38 andvar 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 #define	IN_ACCESS	0x0001	/* Access time update request. */
37 #define	IN_CHANGE	0x0002	/* Inode change time update request. */
38 #define	IN_EXLOCK	0x0004	/* File has exclusive lock. */
39 #define	IN_LOCKED	0x0008	/* Inode lock. */
40 #define	IN_LWAIT	0x0010	/* Process waiting on file lock. */
41 #define	IN_MODIFIED	0x0020	/* Inode has been modified. */
42 #define	IN_RENAME	0x0040	/* Inode is being renamed. */
43 #define	IN_SHLOCK	0x0080	/* File has shared lock. */
44 #define	IN_UPDATE	0x0100	/* Modification time update request. */
45 #define	IN_WANTED	0x0200	/* Inode is wanted by a process. */
46 #define	IN_RECURSE	0x0400	/* Recursion expected */
47 
48 #define	IN_HASHED	0x0800	/* Inode is on hash list */
49 #define	IN_LOADED	0x8000	/* ntvattrs loaded */
50 #define	IN_PRELOADED	0x4000	/* loaded from directory entry */
51 
52 struct ntnode {
53 	struct vnode   *i_devvp;	/* vnode of blk dev we live on */
54 	dev_t           i_dev;		/* Device associated with the inode. */
55 
56 	LIST_ENTRY(ntnode)	i_hash;
57 	struct ntfsmount       *i_mp;
58 	ino_t           i_number;
59 	u_int32_t       i_flag;
60 
61 	/* locking */
62 	kcondvar_t	i_lock;
63 	kmutex_t	i_interlock;
64 	int		i_usecount;
65 	int		i_busy;
66 
67 	LIST_HEAD(,ntvattr)	i_valist;
68 
69 	long		i_nlink;	/* MFR */
70 	ino_t		i_mainrec;	/* MFR */
71 	u_int32_t	i_frflag;	/* MFR */
72 };
73 
74 #define NTKEY_SIZE(attrlen) (sizeof(struct ntkey) + (attrlen))
75 struct ntkey {
76 	ino_t		k_ino;		/* Inode number of ntnode. */
77 	u_int32_t	k_attrtype;	/* Attribute type. */
78 	char		k_attrname[1];	/* Attribute name (variable length). */
79 } __packed;
80 
81 struct fnode {
82 	struct genfs_node f_gnode;
83 
84 	LIST_ENTRY(fnode) f_fnlist;
85 	struct vnode   *f_vp;		/* Associated vnode */
86 	struct ntnode  *f_ip;		/* Associated ntnode */
87 
88 	ntfs_times_t	f_times;	/* $NAME/dirinfo */
89 	ino_t		f_pnumber;	/* $NAME/dirinfo */
90 	u_int32_t       f_fflag;	/* $NAME/dirinfo */
91 	u_int64_t	f_size;		/* defattr/dirinfo: */
92 	u_int64_t	f_allocated;	/* defattr/dirinfo */
93 
94 	struct ntkey   *f_key;
95 	struct ntkey	f_smallkey;
96 #define f_ino f_key->k_ino
97 #define f_attrtype f_key->k_attrtype
98 #define f_attrname f_key->k_attrname
99 
100 	/* for ntreaddir */
101 	u_int32_t       f_lastdattr;
102 	u_int32_t       f_lastdblnum;
103 	u_int32_t       f_lastdoff;
104 	u_int32_t       f_lastdnum;
105 	void *        f_dirblbuf;
106 	u_int32_t       f_dirblsz;
107 };
108 
109 /* This overlays the fid structure (see <sys/mount.h>) */
110 struct ntfid {
111 	u_int16_t ntfid_len;	/* Length of structure. */
112 	u_int16_t ntfid_pad;	/* Force 32-bit alignment. */
113 	ino_t     ntfid_ino;	/* File number (ino). */
114 	u_int8_t  ntfid_attr;	/* Attribute identifier */
115 #ifdef notyet
116 	int32_t   ntfid_gen;	/* Generation number. */
117 #endif
118 };
119 #endif /* _NTFS_NTFS_INODE_H_ */
120