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ntfs_inode.h revision 1.6 
      1 /*	$NetBSD: ntfs_inode.h,v 1.6 2008/01/27 21:58:39 ad 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 	kcondvar_t	i_lock;
     76 	kmutex_t	i_interlock;
     77 	int		i_usecount;
     78 	int		i_busy;
     79 
     80 	LIST_HEAD(,fnode)	i_fnlist;
     81 	LIST_HEAD(,ntvattr)	i_valist;
     82 
     83 	long		i_nlink;	/* MFR */
     84 	ino_t		i_mainrec;	/* MFR */
     85 	u_int32_t	i_frflag;	/* MFR */
     86 };
     87 
     88 #define	FN_PRELOADED	0x0001
     89 #define	FN_VALID	0x0002
     90 #define	FN_AATTRNAME	0x0004	/* space allocated for f_attrname */
     91 struct fnode {
     92 #ifdef __FreeBSD__
     93 	struct lock	f_lock;	/* fnode lock >Keep this first< */
     94 #endif
     95 	struct genfs_node f_gnode;
     96 
     97 	LIST_ENTRY(fnode) f_fnlist;
     98 	struct vnode   *f_vp;		/* Associatied vnode */
     99 	struct ntnode  *f_ip;		/* Associated ntnode */
    100 	u_long		f_flag;
    101 
    102 	ntfs_times_t	f_times;	/* $NAME/dirinfo */
    103 	ino_t		f_pnumber;	/* $NAME/dirinfo */
    104 	u_int32_t       f_fflag;	/* $NAME/dirinfo */
    105 	u_int64_t	f_size;		/* defattr/dirinfo: */
    106 	u_int64_t	f_allocated;	/* defattr/dirinfo */
    107 
    108 	u_int32_t	f_attrtype;
    109 	char	       *f_attrname;
    110 
    111 	/* for ntreaddir */
    112 	u_int32_t       f_lastdattr;
    113 	u_int32_t       f_lastdblnum;
    114 	u_int32_t       f_lastdoff;
    115 	u_int32_t       f_lastdnum;
    116 	void *        f_dirblbuf;
    117 	u_int32_t       f_dirblsz;
    118 };
    119 
    120 /* This overlays the fid structure (see <sys/mount.h>) */
    121 struct ntfid {
    122 	u_int16_t ntfid_len;	/* Length of structure. */
    123 	u_int16_t ntfid_pad;	/* Force 32-bit alignment. */
    124 	ino_t     ntfid_ino;	/* File number (ino). */
    125 	u_int8_t  ntfid_attr;	/* Attribute identifier */
    126 #ifdef notyet
    127 	int32_t   ntfid_gen;	/* Generation number. */
    128 #endif
    129 };
    130 #endif /* _NTFS_NTFS_INODE_H_ */
    131