xref: /dragonfly/sys/vfs/ntfs/ntfs_inode.h (revision cfd1aba3)
1 /*	$NetBSD: ntfs_inode.h,v 1.8 1999/10/31 19:45:26 jdolecek 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  * $FreeBSD: src/sys/ntfs/ntfs_inode.h,v 1.6 1999/12/03 20:37:39 semenu Exp $
29  */
30 
31 /* These flags are kept in i_flag. */
32 #define	IN_ACCESS	0x0001	/* Access time update request. */
33 #define	IN_CHANGE	0x0002	/* Inode change time update request. */
34 #define	IN_UPDATE	0x0004	/* Modification time update request. */
35 #define	IN_MODIFIED	0x0008	/* Inode has been modified. */
36 #define	IN_RENAME	0x0010	/* Inode is being renamed. */
37 #define	IN_SHLOCK	0x0020	/* File has shared lock. */
38 #define	IN_EXLOCK	0x0040	/* File has exclusive lock. */
39 #define	IN_LAZYMOD	0x0080	/* Modified, but don't write yet. */
40 #define	IN_HASHED	0x0800	/* Inode is on hash list */
41 #define	IN_LOADED	0x8000	/* ntvattrs loaded */
42 #define	IN_PRELOADED	0x4000	/* loaded from directory entry */
43 
44 struct ntnode {
45 	struct vnode   *i_devvp;	/* vnode of blk dev we live on */
46 	cdev_t           i_dev;		/* Device associated with the inode. */
47 
48 	LIST_ENTRY(ntnode)	i_hash;
49 	struct ntnode  *i_next;
50 	struct ntnode **i_prev;
51 	struct ntfsmount       *i_mp;
52 	ino_t           i_number;
53 	u_int32_t       i_flag;
54 
55 	/* locking */
56 	struct lock	i_lock;
57 	struct spinlock	i_interlock;
58 	int		i_usecount;
59 
60 	LIST_HEAD(,fnode)	i_fnlist;
61 	LIST_HEAD(,ntvattr)	i_valist;
62 
63 	long		i_nlink;	/* MFR */
64 	ino_t		i_mainrec;	/* MFR */
65 	u_int32_t	i_frflag;	/* MFR */
66 };
67 
68 #define	FN_PRELOADED	0x0001
69 #define	FN_VALID	0x0002
70 #define	FN_AATTRNAME	0x0004	/* space allocated for f_attrname */
71 struct fnode {
72 	LIST_ENTRY(fnode) f_fnlist;
73 	struct vnode   *f_vp;		/* Associatied vnode */
74 	struct ntnode  *f_ip;		/* Associated ntnode */
75 	u_long		f_flag;
76 
77 	ntfs_times_t	f_times;	/* $NAME/dirinfo */
78 	ino_t		f_pnumber;	/* $NAME/dirinfo */
79 	u_int32_t       f_fflag;	/* $NAME/dirinfo */
80 	u_int64_t	f_size;		/* defattr/dirinfo: */
81 	u_int64_t	f_allocated;	/* defattr/dirinfo */
82 
83 	u_int32_t	f_attrtype;
84 	char	       *f_attrname;
85 
86 	/* for ntreaddir */
87 	u_int32_t       f_lastdattr;
88 	u_int32_t       f_lastdblnum;
89 	u_int32_t       f_lastdoff;
90 	u_int32_t       f_lastdnum;
91 	caddr_t         f_dirblbuf;
92 	u_int32_t       f_dirblsz;
93 };
94 
95 /* This overlays the fid structure (see <sys/mount.h>) */
96 struct ntfid {
97         u_int16_t ntfid_len;     /* Length of structure. */
98         u_int16_t ntfid_pad;     /* Force 32-bit alignment. */
99         ino_t     ntfid_ino;     /* File number (ino). */
100         int32_t   ntfid_gen;     /* Generation number. */
101 };
102