nfs_var.h revision 1.53.6.1 1 /* $NetBSD: nfs_var.h,v 1.53.6.1 2005/11/15 03:48:47 yamt Exp $ */
2
3 /*-
4 * Copyright (c) 1996 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Christos Zoulas.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 /*
40 * XXX needs <nfs/rpcv2.h> and <nfs/nfs.h> because of typedefs
41 */
42
43 #ifdef _KERNEL
44 #include <sys/mallocvar.h>
45 #include <sys/pool.h>
46
47 MALLOC_DECLARE(M_NFSREQ);
48 MALLOC_DECLARE(M_NFSMNT);
49 MALLOC_DECLARE(M_NFSUID);
50 MALLOC_DECLARE(M_NFSD);
51 MALLOC_DECLARE(M_NFSDIROFF);
52 MALLOC_DECLARE(M_NFSBIGFH);
53 MALLOC_DECLARE(M_NQLEASE);
54 extern struct pool nfs_srvdesc_pool;
55
56 struct vnode;
57 struct uio;
58 struct ucred;
59 struct proc;
60 struct buf;
61 struct nfs_diskless;
62 struct sockaddr_in;
63 struct nfs_dlmount;
64 struct vnode;
65 struct nfsd;
66 struct mbuf;
67 struct file;
68 struct nqlease;
69 struct nqhost;
70 struct nfssvc_sock;
71 struct nfsmount;
72 struct socket;
73 struct nfsreq;
74 struct vattr;
75 struct nameidata;
76 struct nfsnode;
77 struct sillyrename;
78 struct componentname;
79 struct nfsd_srvargs;
80 struct nfsrv_descript;
81 struct nfs_fattr;
82 struct nfsdircache;
83 union nethostaddr;
84 struct uvm_ractx;
85
86 /* nfs_bio.c */
87 int nfs_bioread __P((struct vnode *, struct uio *, struct uvm_ractx *ra,
88 int, struct ucred *, int));
89 struct buf *nfs_getcacheblk __P((struct vnode *, daddr_t, int, struct proc *));
90 int nfs_vinvalbuf __P((struct vnode *, int, struct ucred *, struct proc *,
91 int));
92 int nfs_flushstalebuf __P((struct vnode *, struct ucred *, struct proc *, int));
93 #define NFS_FLUSHSTALEBUF_MYWRITE 1 /* assume writes are ours */
94 int nfs_asyncio __P((struct buf *));
95 int nfs_doio __P((struct buf *));
96
97 /* nfs_boot.c */
98 /* see nfsdiskless.h */
99
100 /* nfs_kq.c */
101 void nfs_kqinit __P((void));
102
103 /* nfs_node.c */
104 void nfs_nhinit __P((void));
105 void nfs_nhreinit __P((void));
106 void nfs_nhdone __P((void));
107 int nfs_nget1 __P((struct mount *, nfsfh_t *, int, struct nfsnode **, int));
108 #define nfs_nget(mp, fhp, fhsize, npp) \
109 nfs_nget1((mp), (fhp), (fhsize), (npp), 0)
110
111 /* nfs_vnops.c */
112 int nfs_null __P((struct vnode *, struct ucred *, struct proc *));
113 int nfs_setattrrpc __P((struct vnode *, struct vattr *, struct ucred *,
114 struct proc *));
115 int nfs_readlinkrpc __P((struct vnode *, struct uio *, struct ucred *));
116 int nfs_readrpc __P((struct vnode *, struct uio *));
117 int nfs_writerpc __P((struct vnode *, struct uio *, int *, boolean_t,
118 boolean_t *));
119 int nfs_mknodrpc __P((struct vnode *, struct vnode **, struct componentname *,
120 struct vattr *));
121 int nfs_removeit __P((struct sillyrename *));
122 int nfs_removerpc __P((struct vnode *, const char *, int, struct ucred *,
123 struct proc *));
124 int nfs_renameit __P((struct vnode *, struct componentname *,
125 struct sillyrename *));
126 int nfs_renamerpc __P((struct vnode *, const char *, int, struct vnode *,
127 const char *, int, struct ucred *, struct proc *));
128 int nfs_readdirrpc __P((struct vnode *, struct uio *, struct ucred *));
129 int nfs_readdirplusrpc __P((struct vnode *, struct uio *, struct ucred *));
130 int nfs_sillyrename __P((struct vnode *, struct vnode *,
131 struct componentname *));
132 int nfs_lookitup __P((struct vnode *, const char *, int, struct ucred *,
133 struct proc *, struct nfsnode **));
134 int nfs_commit __P((struct vnode *, off_t, uint32_t, struct proc *));
135 int nfs_flush __P((struct vnode *, struct ucred *, int, struct proc *, int));
136
137 /* nfs_nqlease.c */
138 void nqnfs_lease_updatetime __P((int));
139 void nqnfs_clientlease __P((struct nfsmount *, struct nfsnode *, int, int,
140 time_t, u_quad_t));
141 void nqsrv_locklease __P((struct nqlease *));
142 void nqsrv_unlocklease __P((struct nqlease *));
143 int nqsrv_getlease __P((struct vnode *, u_int32_t *, int, struct nfssvc_sock *,
144 struct proc *, struct mbuf *, int *, u_quad_t *,
145 struct ucred *));
146 void nqsrv_addhost __P((struct nqhost *, struct nfssvc_sock *, struct mbuf *));
147 void nqsrv_instimeq __P((struct nqlease *, u_int32_t));
148 int nqsrv_cmpnam __P((struct nfssvc_sock *, struct mbuf *, struct nqhost *));
149 void nqsrv_send_eviction __P((struct vnode *, struct nqlease *,
150 struct nfssvc_sock *, struct mbuf *,
151 struct ucred *, struct proc *));
152 void nqsrv_waitfor_expiry __P((struct nqlease *));
153 void nqnfs_serverd __P((void));
154 int nqnfsrv_getlease __P((struct nfsrv_descript *, struct nfssvc_sock *,
155 struct proc *, struct mbuf **));
156 int nqnfsrv_vacated __P((struct nfsrv_descript *, struct nfssvc_sock *,
157 struct proc *, struct mbuf **));
158 int nqnfs_getlease __P((struct vnode *, int, struct ucred *, struct proc *));
159 int nqnfs_vacated __P((struct vnode *, struct ucred *, struct proc *));
160 int nqnfs_callback __P((struct nfsmount *, struct mbuf *, struct mbuf *,
161 caddr_t));
162
163 /* nfs_serv.c */
164 int nfsrv3_access __P((struct nfsrv_descript *, struct nfssvc_sock *,
165 struct proc *, struct mbuf **));
166 int nfsrv_getattr __P((struct nfsrv_descript *, struct nfssvc_sock *,
167 struct proc *, struct mbuf **));
168 int nfsrv_setattr __P((struct nfsrv_descript *, struct nfssvc_sock *,
169 struct proc *, struct mbuf **));
170 int nfsrv_lookup __P((struct nfsrv_descript *, struct nfssvc_sock *,
171 struct proc *, struct mbuf **));
172 int nfsrv_readlink __P((struct nfsrv_descript *, struct nfssvc_sock *,
173 struct proc *, struct mbuf **));
174 int nfsrv_read __P((struct nfsrv_descript *, struct nfssvc_sock *,
175 struct proc *, struct mbuf **));
176 int nfsrv_write __P((struct nfsrv_descript *, struct nfssvc_sock *,
177 struct proc *, struct mbuf **));
178 int nfsrv_writegather __P((struct nfsrv_descript **, struct nfssvc_sock *,
179 struct proc *, struct mbuf **));
180 void nfsrvw_coalesce __P((struct nfsrv_descript *, struct nfsrv_descript *));
181 int nfsrv_create __P((struct nfsrv_descript *, struct nfssvc_sock *,
182 struct proc *, struct mbuf **));
183 int nfsrv_mknod __P((struct nfsrv_descript *, struct nfssvc_sock *,
184 struct proc *, struct mbuf **));
185 int nfsrv_remove __P((struct nfsrv_descript *, struct nfssvc_sock *,
186 struct proc *, struct mbuf **));
187 int nfsrv_rename __P((struct nfsrv_descript *, struct nfssvc_sock *,
188 struct proc *, struct mbuf **));
189 int nfsrv_link __P((struct nfsrv_descript *, struct nfssvc_sock *,
190 struct proc *, struct mbuf **));
191 int nfsrv_symlink __P((struct nfsrv_descript *, struct nfssvc_sock *,
192 struct proc *, struct mbuf **));
193 int nfsrv_mkdir __P((struct nfsrv_descript *, struct nfssvc_sock *,
194 struct proc *, struct mbuf **));
195 int nfsrv_rmdir __P((struct nfsrv_descript *, struct nfssvc_sock *,
196 struct proc *, struct mbuf **));
197 int nfsrv_readdir __P((struct nfsrv_descript *, struct nfssvc_sock *,
198 struct proc *, struct mbuf **));
199 int nfsrv_readdirplus __P((struct nfsrv_descript *, struct nfssvc_sock *,
200 struct proc *, struct mbuf **));
201 int nfsrv_commit __P((struct nfsrv_descript *, struct nfssvc_sock *,
202 struct proc *, struct mbuf **));
203 int nfsrv_statfs __P((struct nfsrv_descript *, struct nfssvc_sock *,
204 struct proc *, struct mbuf **));
205 int nfsrv_fsinfo __P((struct nfsrv_descript *, struct nfssvc_sock *,
206 struct proc *, struct mbuf **));
207 int nfsrv_pathconf __P((struct nfsrv_descript *, struct nfssvc_sock *,
208 struct proc *, struct mbuf **));
209 int nfsrv_null __P((struct nfsrv_descript *, struct nfssvc_sock *,
210 struct proc *, struct mbuf **));
211 int nfsrv_noop __P((struct nfsrv_descript *, struct nfssvc_sock *,
212 struct proc *, struct mbuf **));
213 int nfsrv_access __P((struct vnode *, int, struct ucred *, int, struct proc *,
214 int));
215
216 /* nfs_socket.c */
217 int nfs_connect __P((struct nfsmount *, struct nfsreq *, struct proc *));
218 int nfs_reconnect __P((struct nfsreq *, struct proc *));
219 void nfs_disconnect __P((struct nfsmount *));
220 void nfs_safedisconnect __P((struct nfsmount *));
221 int nfs_send __P((struct socket *, struct mbuf *, struct mbuf *,
222 struct nfsreq *, struct proc *));
223 int nfs_receive __P((struct nfsreq *, struct mbuf **, struct mbuf **,
224 struct proc *));
225 int nfs_reply __P((struct nfsreq *, struct proc *));
226 int nfs_request __P((struct nfsnode *, struct mbuf *, int, struct proc *,
227 struct ucred *, struct mbuf **, struct mbuf **,
228 caddr_t *, int *));
229 int nfs_rephead __P((int, struct nfsrv_descript *, struct nfssvc_sock *,
230 int, int, u_quad_t *, struct mbuf **, struct mbuf **, caddr_t *));
231 void nfs_timer __P((void *));
232 int nfs_sigintr __P((struct nfsmount *, struct nfsreq *, struct proc *));
233 int nfs_sndlock __P((int *, struct nfsreq *));
234 void nfs_exit __P((struct proc *, void *));
235 void nfs_sndunlock __P((int *));
236 int nfs_rcvlock __P((struct nfsreq *));
237 void nfs_rcvunlock __P((struct nfsmount *));
238 int nfs_getreq __P((struct nfsrv_descript *, struct nfsd *, int));
239 int nfs_msg __P((struct proc *, const char *, const char *));
240 void nfsrv_rcv __P((struct socket *, caddr_t, int));
241 int nfsrv_getstream __P((struct nfssvc_sock *, int));
242 int nfsrv_dorec __P((struct nfssvc_sock *, struct nfsd *,
243 struct nfsrv_descript **));
244 void nfsrv_wakenfsd __P((struct nfssvc_sock *));
245
246 /* nfs_srvcache.c */
247 void nfsrv_initcache __P((void ));
248 int nfsrv_getcache __P((struct nfsrv_descript *, struct nfssvc_sock *,
249 struct mbuf **));
250 void nfsrv_updatecache __P((struct nfsrv_descript *, int, struct mbuf *));
251 void nfsrv_cleancache __P((void));
252
253 /* nfs_subs.c */
254 struct mbuf *nfsm_reqh __P((struct nfsnode *, u_long, int, caddr_t *));
255 struct mbuf *nfsm_rpchead __P((struct ucred *, int, int, int, int, char *, int,
256 char *, struct mbuf *, int, struct mbuf **,
257 u_int32_t *));
258 int nfsm_mbuftouio __P((struct mbuf **, struct uio *, int, caddr_t *));
259 int nfsm_uiotombuf __P((struct uio *, struct mbuf **, int, caddr_t *));
260 int nfsm_disct __P((struct mbuf **, caddr_t *, int, int, caddr_t *));
261 int nfs_adv __P((struct mbuf **, caddr_t *, int, int));
262 int nfsm_strtmbuf __P((struct mbuf **, char **, const char *, long));
263 u_long nfs_dirhash __P((off_t));
264 void nfs_initdircache __P((struct vnode *));
265 void nfs_initdirxlatecookie __P((struct vnode *));
266 struct nfsdircache *nfs_searchdircache __P((struct vnode *, off_t, int, int *));
267 struct nfsdircache *nfs_enterdircache __P((struct vnode *, off_t, off_t, int, daddr_t));
268 void nfs_putdircache __P((struct nfsnode *, struct nfsdircache *));
269 void nfs_invaldircache __P((struct vnode *, int));
270 #define NFS_INVALDIRCACHE_FORCE 1
271 #define NFS_INVALDIRCACHE_KEEPEOF 2
272 void nfs_init __P((void));
273 int nfsm_loadattrcache __P((struct vnode **, struct mbuf **, caddr_t *,
274 struct vattr *, int flags));
275 int nfs_loadattrcache __P((struct vnode **, struct nfs_fattr *,
276 struct vattr *, int flags));
277 int nfs_getattrcache __P((struct vnode *, struct vattr *));
278 void nfs_delayedtruncate __P((struct vnode *));
279 int nfs_check_wccdata __P((struct nfsnode *, const struct timespec *,
280 struct timespec *, boolean_t));
281 int nfs_namei __P((struct nameidata *, fhandle_t *, uint32_t,
282 struct nfssvc_sock *, struct mbuf *, struct mbuf **,
283 caddr_t *, struct vnode **, struct proc *, int, int));
284 void nfs_zeropad __P((struct mbuf *, int, int));
285 void nfsm_srvwcc __P((struct nfsrv_descript *, int, struct vattr *, int,
286 struct vattr *, struct mbuf **, char **));
287 void nfsm_srvpostopattr __P((struct nfsrv_descript *, int, struct vattr *,
288 struct mbuf **, char **));
289 void nfsm_srvfattr __P((struct nfsrv_descript *, struct vattr *,
290 struct nfs_fattr *));
291 int nfsrv_fhtovp __P((fhandle_t *, int, struct vnode **, struct ucred *,
292 struct nfssvc_sock *, struct mbuf *, int *, int, int));
293 int nfs_ispublicfh __P((fhandle_t *));
294 int netaddr_match __P((int, union nethostaddr *, struct mbuf *));
295
296 /* flags for nfs_loadattrcache and friends */
297 #define NAC_NOTRUNC 1 /* don't truncate file size */
298
299 void nfs_clearcommit __P((struct mount *));
300 void nfs_merge_commit_ranges __P((struct vnode *));
301 int nfs_in_committed_range __P((struct vnode *, off_t, off_t));
302 int nfs_in_tobecommitted_range __P((struct vnode *, off_t, off_t));
303 void nfs_add_committed_range __P((struct vnode *, off_t, off_t));
304 void nfs_del_committed_range __P((struct vnode *, off_t, off_t));
305 void nfs_add_tobecommitted_range __P((struct vnode *, off_t, off_t));
306 void nfs_del_tobecommitted_range __P((struct vnode *, off_t, off_t));
307
308 int nfsrv_errmap __P((struct nfsrv_descript *, int));
309 void nfsrvw_sort __P((gid_t *, int));
310 void nfsrv_setcred __P((struct ucred *, struct ucred *));
311 void nfs_cookieheuristic __P((struct vnode *, int *, struct proc *,
312 struct ucred *));
313
314 u_int32_t nfs_getxid __P((void));
315 void nfs_renewxid __P((struct nfsreq *));
316
317 /* nfs_syscalls.c */
318 int sys_getfh __P((struct lwp *, void *, register_t *));
319 int sys_nfssvc __P((struct lwp *, void *, register_t *));
320 int nfssvc_addsock __P((struct file *, struct mbuf *));
321 int nfssvc_nfsd __P((struct nfsd_srvargs *, caddr_t, struct lwp *));
322 void nfsrv_zapsock __P((struct nfssvc_sock *));
323 void nfsrv_slpderef __P((struct nfssvc_sock *));
324 void nfsrv_init __P((int));
325 int nfssvc_iod __P((struct lwp *));
326 void nfs_iodinit __P((void));
327 void start_nfsio __P((void *));
328 void nfs_getset_niothreads __P((int));
329 int nfs_getauth __P((struct nfsmount *, struct nfsreq *, struct ucred *,
330 char **, int *, char *, int *, NFSKERBKEY_T));
331 int nfs_getnickauth __P((struct nfsmount *, struct ucred *, char **, int *,
332 char *, int));
333 int nfs_savenickauth __P((struct nfsmount *, struct ucred *, int, NFSKERBKEY_T,
334 struct mbuf **, char **, struct mbuf *));
335
336 /* nfs_export.c */
337 extern struct nfs_public nfs_pub;
338 int mountd_set_exports_list(const struct mountd_exports_list *, struct proc *);
339 int nfs_check_export(struct mount *, struct mbuf *, int *, struct ucred **);
340 #ifdef COMPAT_30
341 int nfs_update_exports_30(struct mount *, const char *, void *, struct proc *);
342 #endif
343 #endif /* _KERNEL */
344