1/* $NetBSD: smbfs_node.h,v 1.15 2015/01/02 09:48:01 martin Exp $ */
2
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 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by Boris Popov.
18 * 4. Neither the name of the author nor the names of any co-contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 * FreeBSD: src/sys/fs/smbfs/smbfs_node.h,v 1.1 2001/04/10 07:59:05 bp Exp
35 */
36#ifndef _FS_SMBFS_SMBFS_NODE_H_
37#define _FS_SMBFS_SMBFS_NODE_H_
38
39#include <sys/hash.h> /* for hash32_strn() */
40#include <miscfs/genfs/genfs_node.h> /* for struct genfs_node */
41
42#define SMBFS_ROOT_INO 2 /* just like in UFS */
43
44/* Bits for smbnode.n_flag */
45#define NFLUSHINPROG 0x0001
46#define NFLUSHWANT 0x0002 /* they should gone ... */
47#define NMODIFIED 0x0004 /* bogus, until async IO implemented */
48/*efine NNEW 0x0008*//* smb/vnode has been allocated */
49#define NREFPARENT 0x0010 /* node holds parent from recycling */
50#define NOPEN 0x2000 /* file is open */
51#define NGONE 0x4000 /* file has been removed/renamed */
52
53#define SMBFS_ATTRTIMO 5 /* Attribute cache timeout in sec */
54
55struct smbfs_fctx;
56
57#define SMBFS_KEYSIZE(nmlen) (sizeof(struct smbkey) + (nmlen))
58struct smbkey {
59 struct vnode * k_parent; /* Parent vnode. */
60 u_char k_nmlen; /* Name length. */
61 u_char k_name[]; /* Name (variable length). */
62} __packed;
63
64struct smbnode {
65 struct genfs_node n_gnode;
66 kmutex_t n_lock;
67 struct smbkey * n_key;
68 int n_flag;
69#define n_parent n_key->k_parent
70 struct vnode * n_vnode;
71 struct smbmount * n_mount;
72 time_t n_attrage; /* attributes cache time */
73 time_t n_ctime; /* Prev create time. */
74 time_t n_nctime; /* last neg cache entry (dir) */
75 struct timespec n_mtime; /* modify time */
76 struct timespec n_atime; /* last access time */
77 u_quad_t n_size;
78 long n_ino;
79 int n_dosattr;
80 u_int16_t n_fid; /* file handle */
81 int n_rwstate; /* granted access mode */
82#define n_nmlen n_key->k_nmlen
83#define n_name n_key->k_name
84 struct smbfs_fctx * n_dirseq; /* ff context */
85 long n_dirofs; /* last ff offset */
86 struct lockf * n_lockf; /* Locking records of file */
87};
88
89#define VTOSMB(vp) ((struct smbnode *)(vp)->v_data)
90#define SMBTOV(np) ((struct vnode *)(np)->n_vnode)
91
92struct smbfattr;
93
94int smbfs_inactive(void *);
95int smbfs_reclaim(void *);
96int smbfs_loadvnode(struct mount *, struct vnode *,
97 const void *, size_t, const void **);
98int smbfs_nget(struct mount *, struct vnode *, const char *, int,
99 struct smbfattr *, struct vnode **);
100
101int smbfs_readvnode(struct vnode *, struct uio *, kauth_cred_t);
102int smbfs_writevnode(struct vnode *, struct uio *, kauth_cred_t, int);
103void smbfs_attr_cacheenter(struct vnode *, struct smbfattr *);
104int smbfs_attr_cachelookup(struct vnode * ,struct vattr *);
105
106#define smbfs_attr_cacheremove(vp) VTOSMB(vp)->n_attrage = 0
107
108#endif /* _FS_SMBFS_SMBFS_NODE_H_ */
109