1 /*-
2 * Copyright (c) 1999, 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 _NWFS_NODE_H_
29 #define _NWFS_NODE_H_
30
31 #define NWFS_ROOT_INO 0x7ffffffd
32
33 /* Bits for nwnode.n_flag */
34 #define NFLUSHINPROG 0x0001
35 #define NFLUSHWANT 0x0002 /* they should gone ... */
36 #define NMODIFIED 0x0004 /* bogus, until async IO implemented */
37 #define NREFPARENT 0x0008 /* vnode holds reference to a parent vnode */
38 #define NVOLUME 0x0010 /* vnode references a volume */
39 #define NSHOULDFREE 0x0020 /* vnode should be removed from hash */
40
41 struct nwnode {
42 LIST_ENTRY(nwnode) n_hash;
43 struct vnode *n_vnode;
44 struct vattr n_vattr;
45 struct nwmount *n_mount;
46 time_t n_atime; /* attributes cache time*/
47 time_t n_ctime;
48 time_t n_mtime;
49 int n_flag;
50 ncpfid n_parent;
51 ncpfid n_fid;
52 u_long n_attr; /* LH */
53 u_long n_size;
54 u_long n_dosfid;
55 int opened;
56 /* int access;*/
57 u_long n_origfh;
58 ncp_fh n_fh;
59 struct nw_search_seq n_seq;
60 u_char n_nmlen;
61 u_char n_name[256];
62 };
63
64 #define VTONW(vp) ((struct nwnode *)(vp)->v_data)
65 #define NWTOV(np) ((struct vnode *)(np)->n_vnode)
66 #define NWCMPF(f1,f2) ((f1)->f_parent == (f2)->f_parent && \
67 (f1)->f_id == (f2)->f_id)
68 #define NWCMPN(np1,np2) NWCMPF(&(np1)->n_fid, &(np2)->n_fid)
69 #define NWCMPV(vp1,vp2) NWCMPN(VTONW(vp1),VTONW(vp2))
70
71 struct vop_getpages_args;
72 struct vop_inactive_args;
73 struct vop_putpages_args;
74 struct vop_reclaim_args;
75 struct ucred;
76 struct uio;
77
78 void nwfs_hash_init(void);
79 void nwfs_hash_free(void);
80 int nwfs_lookupnp(struct nwmount *nmp, ncpfid fid, struct thread *td,
81 struct nwnode **npp);
82 int nwfs_inactive(struct vop_inactive_args *);
83 int nwfs_reclaim(struct vop_reclaim_args *);
84 int nwfs_nget(struct mount *mp, ncpfid fid, struct nw_entry_info *fap,
85 struct vnode *dvp, struct vnode **vpp);
86
87 int nwfs_getpages(struct vop_getpages_args *);
88 int nwfs_putpages(struct vop_putpages_args *);
89 int nwfs_readvnode(struct vnode *vp, struct uio *uiop, struct ucred *cred);
90 int nwfs_writevnode(struct vnode *vp, struct uio *uiop, struct ucred *cred, int ioflag);
91 void nwfs_attr_cacheenter(struct vnode *vp, struct nw_entry_info *fi);
92 int nwfs_attr_cachelookup(struct vnode *vp,struct vattr *va);
93
94 #define nwfs_attr_cacheremove(vp) VTONW(vp)->n_atime = 0
95
96 #endif /* _NWFS_NODE_H_ */
Cache object: 864f042825fa732471297aa0edaaa1fb
|