xref: /freebsd/sys/fs/smbfs/smbfs_node.h (revision d0b2dbfa0ecf2bbc9709efc5e20baf8e4b44bbbf)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2000-2001 Boris Popov
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 #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 	long			n_parentino;	/* parent inode number */
57 	int			n_dosattr;
58 	u_int16_t		n_fid;		/* file handle */
59 	int			n_rwstate;	/* granted access mode */
60 	int			n_rplen;
61 	char *			n_rpath;
62 	u_char			n_nmlen;
63 	u_char *		n_name;
64 	struct smbfs_fctx *	n_dirseq;	/* ff context */
65 	long			n_dirofs;	/* last ff offset */
66 	LIST_ENTRY(smbnode)	n_hash;
67 };
68 
69 struct smbcmp {
70 	struct vnode * 		n_parent;
71 	int 			n_nmlen;
72 	const char *		n_name;
73 };
74 
75 #define VTOSMB(vp)	((struct smbnode *)(vp)->v_data)
76 #define SMBTOV(np)	((struct vnode *)(np)->n_vnode)
77 
78 #define	SMBFS_DNP_SEP(dnp)	((dnp->n_rplen > 1) ? '\\' : '\0')
79 
80 struct vop_getpages_args;
81 struct vop_inactive_args;
82 struct vop_putpages_args;
83 struct vop_reclaim_args;
84 struct ucred;
85 struct uio;
86 struct smbfattr;
87 
88 int  smbfs_inactive(struct vop_inactive_args *);
89 int  smbfs_reclaim(struct vop_reclaim_args *);
90 int smbfs_nget(struct mount *mp, struct vnode *dvp, const char *name, int nmlen,
91 	struct smbfattr *fap, struct vnode **vpp);
92 u_int32_t smbfs_hash(const u_char *name, int nmlen);
93 
94 int  smbfs_getpages(struct vop_getpages_args *);
95 int  smbfs_putpages(struct vop_putpages_args *);
96 int  smbfs_readvnode(struct vnode *vp, struct uio *uiop, struct ucred *cred);
97 int  smbfs_writevnode(struct vnode *vp, struct uio *uiop, struct ucred *cred, int ioflag);
98 void smbfs_attr_cacheenter(struct vnode *vp, struct smbfattr *fap);
99 int  smbfs_attr_cachelookup(struct vnode *vp ,struct vattr *va);
100 
101 #define smbfs_attr_cacheremove(vp)	VTOSMB(vp)->n_attrage = 0
102 
103 #endif /* _FS_SMBFS_NODE_H_ */
104