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
52struct 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))
75struct 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
81struct 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>) */
110struct 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_ */