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      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