xref: /freebsd/sys/fs/smbfs/smbfs_node.h (revision 48c5129f93c5eb5419c87b08e4677d51513f1dc0)
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  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD$
27  */
28 #ifndef _FS_SMBFS_NODE_H_
29 #define _FS_SMBFS_NODE_H_
30 
31 #define	SMBFS_ROOT_INO		2	/* just like in UFS */
32 
33 /* Bits for smbnode.n_flag */
34 #define	NFLUSHINPROG		0x0001
35 #define	NFLUSHWANT		0x0002	/* they should gone ... */
36 #define	NMODIFIED		0x0004	/* bogus, until async IO implemented */
37 /*efine	NNEW			0x0008*//* smb/vnode has been allocated */
38 #define	NREFPARENT		0x0010	/* node holds parent from recycling */
39 #define	NFLUSHWIRE		0x1000	/* pending flush request */
40 #define	NOPEN			0x2000	/* file is open */
41 #define	NGONE			0x4000	/* file has been removed/renamed */
42 
43 struct smbfs_fctx;
44 
45 struct smbnode {
46 	int			n_flag;
47 	struct vnode *		n_parent;
48 	struct vnode *		n_vnode;
49 	struct smbmount *	n_mount;
50 	time_t			n_attrage;	/* attributes cache time */
51 /*	time_t			n_ctime;*/
52 	struct timespec		n_mtime;	/* modify time */
53 	struct timespec		n_atime;	/* last access time */
54 	u_quad_t		n_size;
55 	long			n_ino;
56 	int			n_dosattr;
57 	u_int16_t		n_fid;		/* file handle */
58 	int			n_rwstate;	/* granted access mode */
59 	u_char			n_nmlen;
60 	u_char *		n_name;
61 	struct smbfs_fctx *	n_dirseq;	/* ff context */
62 	long			n_dirofs;	/* last ff offset */
63 	LIST_ENTRY(smbnode)	n_hash;
64 };
65 
66 struct smbcmp {
67 	struct vnode * 		n_parent;
68 	int 			n_nmlen;
69 	const char *		n_name;
70 };
71 
72 #define VTOSMB(vp)	((struct smbnode *)(vp)->v_data)
73 #define SMBTOV(np)	((struct vnode *)(np)->n_vnode)
74 
75 struct vop_getpages_args;
76 struct vop_inactive_args;
77 struct vop_putpages_args;
78 struct vop_reclaim_args;
79 struct ucred;
80 struct uio;
81 struct smbfattr;
82 
83 int  smbfs_inactive(struct vop_inactive_args *);
84 int  smbfs_reclaim(struct vop_reclaim_args *);
85 int smbfs_nget(struct mount *mp, struct vnode *dvp, const char *name, int nmlen,
86 	struct smbfattr *fap, struct vnode **vpp);
87 u_int32_t smbfs_hash(const u_char *name, int nmlen);
88 
89 int  smbfs_getpages(struct vop_getpages_args *);
90 int  smbfs_putpages(struct vop_putpages_args *);
91 int  smbfs_readvnode(struct vnode *vp, struct uio *uiop, struct ucred *cred);
92 int  smbfs_writevnode(struct vnode *vp, struct uio *uiop, struct ucred *cred, int ioflag);
93 void smbfs_attr_cacheenter(struct vnode *vp, struct smbfattr *fap);
94 int  smbfs_attr_cachelookup(struct vnode *vp ,struct vattr *va);
95 
96 #define smbfs_attr_cacheremove(vp)	VTOSMB(vp)->n_attrage = 0
97 
98 #endif /* _FS_SMBFS_NODE_H_ */
99