xref: /freebsd/sys/fs/smbfs/smbfs_node.h (revision 5773cccf19ef7b97e56c1101aa481c43149224da)
1 /*
2  * Copyright (c) 2000-2001, Boris Popov
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. All advertising materials mentioning features or use of this software
14  *    must display the following acknowledgement:
15  *    This product includes software developed by Boris Popov.
16  * 4. Neither the name of the author nor the names of any co-contributors
17  *    may be used to endorse or promote products derived from this software
18  *    without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  *
32  * $FreeBSD$
33  */
34 #ifndef _FS_SMBFS_NODE_H_
35 #define _FS_SMBFS_NODE_H_
36 
37 #define	SMBFS_ROOT_INO		2	/* just like in UFS */
38 
39 /* Bits for smbnode.n_flag */
40 #define	NFLUSHINPROG		0x0001
41 #define	NFLUSHWANT		0x0002	/* they should gone ... */
42 #define	NMODIFIED		0x0004	/* bogus, until async IO implemented */
43 /*efine	NNEW			0x0008*//* smb/vnode has been allocated */
44 #define	NREFPARENT		0x0010	/* node holds parent from recycling */
45 #define	NFLUSHWIRE		0x1000	/* pending flush request */
46 
47 struct smbfs_fctx;
48 
49 struct smbnode {
50 #ifndef FB_CURRENT
51 	struct lock		n_lock;		/* smbnode lock. (mbf) */
52 #endif
53 	int			n_flag;
54 	struct smbnode *	n_parent;
55 	struct vnode *		n_vnode;
56 	struct smbmount *	n_mount;
57 	time_t			n_attrage;	/* attributes cache time */
58 /*	time_t			n_ctime;*/
59 	struct timespec		n_mtime;	/* modify time */
60 	struct timespec		n_atime;	/* last access time */
61 	u_quad_t		n_size;
62 	long			n_ino;
63 	int			n_dosattr;
64 	int 			n_opencount;
65 	u_int16_t		n_fid;		/* file handle */
66 	int			n_rwstate;	/* granted access mode */
67 	u_char			n_nmlen;
68 	u_char *		n_name;
69 	struct smbfs_fctx *	n_dirseq;	/* ff context */
70 	long			n_dirofs;	/* last ff offset */
71 	struct lockf *		n_lockf;	/* Locking records of file */
72 	LIST_ENTRY(smbnode)	n_hash;
73 };
74 
75 #define VTOSMB(vp)	((struct smbnode *)(vp)->v_data)
76 #define SMBTOV(np)	((struct vnode *)(np)->n_vnode)
77 
78 struct vop_getpages_args;
79 struct vop_inactive_args;
80 struct vop_putpages_args;
81 struct vop_reclaim_args;
82 struct ucred;
83 struct uio;
84 struct smbfattr;
85 
86 int  smbfs_inactive(struct vop_inactive_args *);
87 int  smbfs_reclaim(struct vop_reclaim_args *);
88 int smbfs_nget(struct mount *mp, struct vnode *dvp, const char *name, int nmlen,
89 	struct smbfattr *fap, struct vnode **vpp);
90 u_int32_t smbfs_hash(const u_char *name, int nmlen);
91 
92 int  smbfs_getpages(struct vop_getpages_args *);
93 int  smbfs_putpages(struct vop_putpages_args *);
94 int  smbfs_readvnode(struct vnode *vp, struct uio *uiop, struct ucred *cred);
95 int  smbfs_writevnode(struct vnode *vp, struct uio *uiop, struct ucred *cred, int ioflag);
96 void smbfs_attr_cacheenter(struct vnode *vp, struct smbfattr *fap);
97 int  smbfs_attr_cachelookup(struct vnode *vp ,struct vattr *va);
98 
99 #define smbfs_attr_cacheremove(vp)	VTOSMB(vp)->n_attrage = 0
100 
101 #endif /* _FS_SMBFS_NODE_H_ */
102