4 * Client-side XDR for NFSv4.
6 * Copyright (c) 2002 The Regents of the University of Michigan.
9 * Kendrick Smith <kmsmith@umich.edu>
10 * Andy Adamson <andros@umich.edu>
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
21 * 3. Neither the name of the University nor the names of its
22 * contributors may be used to endorse or promote products derived
23 * from this software without specific prior written permission.
25 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
26 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
27 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
28 * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
32 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
33 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
34 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
35 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
38 #include <linux/param.h>
39 #include <linux/time.h>
41 #include <linux/slab.h>
42 #include <linux/utsname.h>
43 #include <linux/errno.h>
44 #include <linux/string.h>
46 #include <linux/pagemap.h>
47 #include <linux/proc_fs.h>
48 #include <linux/kdev_t.h>
49 #include <linux/sunrpc/clnt.h>
50 #include <linux/nfs.h>
51 #include <linux/nfs4.h>
52 #include <linux/nfs_fs.h>
53 #include <linux/nfs_idmap.h>
56 #define NFSDBG_FACILITY NFSDBG_XDR
58 /* Mapping from NFS error code to "errno" error code. */
59 #define errno_NFSERR_IO EIO
61 static int nfs_stat_to_errno(int);
63 /* NFSv4 COMPOUND tags are only wanted for debugging purposes */
65 #define NFS4_MAXTAGLEN 20
67 #define NFS4_MAXTAGLEN 0
70 /* lock,open owner id:
71 * we currently use size 1 (u32) out of (NFS4_OPAQUE_LIMIT >> 2)
73 #define owner_id_maxsz (1 + 1)
74 #define compound_encode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2))
75 #define compound_decode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2))
76 #define op_encode_hdr_maxsz (1)
77 #define op_decode_hdr_maxsz (2)
78 #define encode_putfh_maxsz (op_encode_hdr_maxsz + 1 + \
80 #define decode_putfh_maxsz (op_decode_hdr_maxsz)
81 #define encode_putrootfh_maxsz (op_encode_hdr_maxsz)
82 #define decode_putrootfh_maxsz (op_decode_hdr_maxsz)
83 #define encode_getfh_maxsz (op_encode_hdr_maxsz)
84 #define decode_getfh_maxsz (op_decode_hdr_maxsz + 1 + \
85 ((3+NFS4_FHSIZE) >> 2))
86 #define nfs4_fattr_bitmap_maxsz 3
87 #define encode_getattr_maxsz (op_encode_hdr_maxsz + nfs4_fattr_bitmap_maxsz)
88 #define nfs4_name_maxsz (1 + ((3 + NFS4_MAXNAMLEN) >> 2))
89 #define nfs4_path_maxsz (1 + ((3 + NFS4_MAXPATHLEN) >> 2))
90 /* This is based on getfattr, which uses the most attributes: */
91 #define nfs4_fattr_value_maxsz (1 + (1 + 2 + 2 + 4 + 2 + 1 + 1 + 2 + 2 + \
92 3 + 3 + 3 + 2 * nfs4_name_maxsz))
93 #define nfs4_fattr_maxsz (nfs4_fattr_bitmap_maxsz + \
94 nfs4_fattr_value_maxsz)
95 #define decode_getattr_maxsz (op_decode_hdr_maxsz + nfs4_fattr_maxsz)
96 #define encode_savefh_maxsz (op_encode_hdr_maxsz)
97 #define decode_savefh_maxsz (op_decode_hdr_maxsz)
98 #define encode_fsinfo_maxsz (op_encode_hdr_maxsz + 2)
99 #define decode_fsinfo_maxsz (op_decode_hdr_maxsz + 11)
100 #define encode_renew_maxsz (op_encode_hdr_maxsz + 3)
101 #define decode_renew_maxsz (op_decode_hdr_maxsz)
102 #define encode_setclientid_maxsz \
103 (op_encode_hdr_maxsz + \
104 4 /*server->ip_addr*/ + \
107 6 + (NFS4_VERIFIER_SIZE >> 2))
108 #define decode_setclientid_maxsz \
109 (op_decode_hdr_maxsz + \
111 1024) /* large value for CLID_INUSE */
112 #define encode_setclientid_confirm_maxsz \
113 (op_encode_hdr_maxsz + \
114 3 + (NFS4_VERIFIER_SIZE >> 2))
115 #define decode_setclientid_confirm_maxsz \
116 (op_decode_hdr_maxsz)
117 #define encode_lookup_maxsz (op_encode_hdr_maxsz + \
118 1 + ((3 + NFS4_FHSIZE) >> 2))
119 #define encode_remove_maxsz (op_encode_hdr_maxsz + \
121 #define encode_rename_maxsz (op_encode_hdr_maxsz + \
123 #define decode_rename_maxsz (op_decode_hdr_maxsz + 5 + 5)
124 #define encode_link_maxsz (op_encode_hdr_maxsz + \
126 #define decode_link_maxsz (op_decode_hdr_maxsz + 5)
127 #define encode_symlink_maxsz (op_encode_hdr_maxsz + \
128 1 + nfs4_name_maxsz + \
131 #define decode_symlink_maxsz (op_decode_hdr_maxsz + 8)
132 #define encode_create_maxsz (op_encode_hdr_maxsz + \
133 2 + nfs4_name_maxsz + \
135 #define decode_create_maxsz (op_decode_hdr_maxsz + 8)
136 #define encode_delegreturn_maxsz (op_encode_hdr_maxsz + 4)
137 #define decode_delegreturn_maxsz (op_decode_hdr_maxsz)
138 #define NFS4_enc_compound_sz (1024) /* XXX: large enough? */
139 #define NFS4_dec_compound_sz (1024) /* XXX: large enough? */
140 #define NFS4_enc_read_sz (compound_encode_hdr_maxsz + \
141 encode_putfh_maxsz + \
142 op_encode_hdr_maxsz + 7)
143 #define NFS4_dec_read_sz (compound_decode_hdr_maxsz + \
144 decode_putfh_maxsz + \
145 op_decode_hdr_maxsz + 2)
146 #define NFS4_enc_readlink_sz (compound_encode_hdr_maxsz + \
147 encode_putfh_maxsz + \
149 #define NFS4_dec_readlink_sz (compound_decode_hdr_maxsz + \
150 decode_putfh_maxsz + \
152 #define NFS4_enc_readdir_sz (compound_encode_hdr_maxsz + \
153 encode_putfh_maxsz + \
154 op_encode_hdr_maxsz + 9)
155 #define NFS4_dec_readdir_sz (compound_decode_hdr_maxsz + \
156 decode_putfh_maxsz + \
157 op_decode_hdr_maxsz + 2)
158 #define NFS4_enc_write_sz (compound_encode_hdr_maxsz + \
159 encode_putfh_maxsz + \
160 op_encode_hdr_maxsz + 8)
161 #define NFS4_dec_write_sz (compound_decode_hdr_maxsz + \
162 decode_putfh_maxsz + \
163 op_decode_hdr_maxsz + 4)
164 #define NFS4_enc_commit_sz (compound_encode_hdr_maxsz + \
165 encode_putfh_maxsz + \
166 op_encode_hdr_maxsz + 3)
167 #define NFS4_dec_commit_sz (compound_decode_hdr_maxsz + \
168 decode_putfh_maxsz + \
169 op_decode_hdr_maxsz + 2)
170 #define NFS4_enc_open_sz (compound_encode_hdr_maxsz + \
171 encode_putfh_maxsz + \
172 op_encode_hdr_maxsz + \
174 encode_getattr_maxsz + \
176 #define NFS4_dec_open_sz (compound_decode_hdr_maxsz + \
177 decode_putfh_maxsz + \
178 op_decode_hdr_maxsz + 4 + 5 + 2 + 3 + \
179 decode_getattr_maxsz + \
181 #define NFS4_enc_open_confirm_sz \
182 (compound_encode_hdr_maxsz + \
183 encode_putfh_maxsz + \
184 op_encode_hdr_maxsz + 5)
185 #define NFS4_dec_open_confirm_sz (compound_decode_hdr_maxsz + \
186 decode_putfh_maxsz + \
187 op_decode_hdr_maxsz + 4)
188 #define NFS4_enc_open_noattr_sz (compound_encode_hdr_maxsz + \
189 encode_putfh_maxsz + \
190 op_encode_hdr_maxsz + \
192 #define NFS4_dec_open_noattr_sz (compound_decode_hdr_maxsz + \
193 decode_putfh_maxsz + \
194 op_decode_hdr_maxsz + \
196 #define NFS4_enc_open_downgrade_sz \
197 (compound_encode_hdr_maxsz + \
198 encode_putfh_maxsz + \
199 op_encode_hdr_maxsz + 7)
200 #define NFS4_dec_open_downgrade_sz \
201 (compound_decode_hdr_maxsz + \
202 decode_putfh_maxsz + \
203 op_decode_hdr_maxsz + 4)
204 #define NFS4_enc_close_sz (compound_encode_hdr_maxsz + \
205 encode_putfh_maxsz + \
206 op_encode_hdr_maxsz + 5)
207 #define NFS4_dec_close_sz (compound_decode_hdr_maxsz + \
208 decode_putfh_maxsz + \
209 op_decode_hdr_maxsz + 4)
210 #define NFS4_enc_setattr_sz (compound_encode_hdr_maxsz + \
211 encode_putfh_maxsz + \
212 op_encode_hdr_maxsz + 4 + \
214 encode_getattr_maxsz)
215 #define NFS4_dec_setattr_sz (compound_decode_hdr_maxsz + \
216 decode_putfh_maxsz + \
217 op_decode_hdr_maxsz + 3)
218 #define NFS4_enc_fsinfo_sz (compound_encode_hdr_maxsz + \
219 encode_putfh_maxsz + \
221 #define NFS4_dec_fsinfo_sz (compound_decode_hdr_maxsz + \
222 decode_putfh_maxsz + \
224 #define NFS4_enc_renew_sz (compound_encode_hdr_maxsz + \
226 #define NFS4_dec_renew_sz (compound_decode_hdr_maxsz + \
228 #define NFS4_enc_setclientid_sz (compound_encode_hdr_maxsz + \
229 encode_setclientid_maxsz)
230 #define NFS4_dec_setclientid_sz (compound_decode_hdr_maxsz + \
231 decode_setclientid_maxsz)
232 #define NFS4_enc_setclientid_confirm_sz \
233 (compound_encode_hdr_maxsz + \
234 encode_setclientid_confirm_maxsz + \
235 encode_putrootfh_maxsz + \
237 #define NFS4_dec_setclientid_confirm_sz \
238 (compound_decode_hdr_maxsz + \
239 decode_setclientid_confirm_maxsz + \
240 decode_putrootfh_maxsz + \
242 #define NFS4_enc_lock_sz (compound_encode_hdr_maxsz + \
243 encode_putfh_maxsz + \
244 encode_getattr_maxsz + \
245 op_encode_hdr_maxsz + \
249 #define NFS4_dec_lock_sz (compound_decode_hdr_maxsz + \
250 decode_putfh_maxsz + \
251 decode_getattr_maxsz + \
252 op_decode_hdr_maxsz + \
255 #define NFS4_enc_lockt_sz (compound_encode_hdr_maxsz + \
256 encode_putfh_maxsz + \
257 encode_getattr_maxsz + \
258 op_encode_hdr_maxsz + \
261 #define NFS4_dec_lockt_sz (NFS4_dec_lock_sz)
262 #define NFS4_enc_locku_sz (compound_encode_hdr_maxsz + \
263 encode_putfh_maxsz + \
264 encode_getattr_maxsz + \
265 op_encode_hdr_maxsz + \
267 #define NFS4_dec_locku_sz (compound_decode_hdr_maxsz + \
268 decode_putfh_maxsz + \
269 decode_getattr_maxsz + \
270 op_decode_hdr_maxsz + 4)
271 #define NFS4_enc_access_sz (compound_encode_hdr_maxsz + \
272 encode_putfh_maxsz + \
273 op_encode_hdr_maxsz + 1)
274 #define NFS4_dec_access_sz (compound_decode_hdr_maxsz + \
275 decode_putfh_maxsz + \
276 op_decode_hdr_maxsz + 2)
277 #define NFS4_enc_getattr_sz (compound_encode_hdr_maxsz + \
278 encode_putfh_maxsz + \
279 encode_getattr_maxsz)
280 #define NFS4_dec_getattr_sz (compound_decode_hdr_maxsz + \
281 decode_putfh_maxsz + \
282 decode_getattr_maxsz)
283 #define NFS4_enc_lookup_sz (compound_encode_hdr_maxsz + \
284 encode_putfh_maxsz + \
285 encode_lookup_maxsz + \
286 encode_getattr_maxsz + \
288 #define NFS4_dec_lookup_sz (compound_decode_hdr_maxsz + \
289 decode_putfh_maxsz + \
290 op_decode_hdr_maxsz + \
291 decode_getattr_maxsz + \
293 #define NFS4_enc_lookup_root_sz (compound_encode_hdr_maxsz + \
294 encode_putrootfh_maxsz + \
295 encode_getattr_maxsz + \
297 #define NFS4_dec_lookup_root_sz (compound_decode_hdr_maxsz + \
298 decode_putrootfh_maxsz + \
299 decode_getattr_maxsz + \
301 #define NFS4_enc_remove_sz (compound_encode_hdr_maxsz + \
302 encode_putfh_maxsz + \
304 #define NFS4_dec_remove_sz (compound_decode_hdr_maxsz + \
305 decode_putfh_maxsz + \
306 op_decode_hdr_maxsz + 5)
307 #define NFS4_enc_rename_sz (compound_encode_hdr_maxsz + \
308 encode_putfh_maxsz + \
309 encode_savefh_maxsz + \
310 encode_putfh_maxsz + \
312 #define NFS4_dec_rename_sz (compound_decode_hdr_maxsz + \
313 decode_putfh_maxsz + \
314 decode_savefh_maxsz + \
315 decode_putfh_maxsz + \
317 #define NFS4_enc_link_sz (compound_encode_hdr_maxsz + \
318 encode_putfh_maxsz + \
319 encode_savefh_maxsz + \
320 encode_putfh_maxsz + \
322 #define NFS4_dec_link_sz (compound_decode_hdr_maxsz + \
323 decode_putfh_maxsz + \
324 decode_savefh_maxsz + \
325 decode_putfh_maxsz + \
327 #define NFS4_enc_symlink_sz (compound_encode_hdr_maxsz + \
328 encode_putfh_maxsz + \
329 encode_symlink_maxsz + \
330 encode_getattr_maxsz + \
332 #define NFS4_dec_symlink_sz (compound_decode_hdr_maxsz + \
333 decode_putfh_maxsz + \
334 decode_symlink_maxsz + \
335 decode_getattr_maxsz + \
337 #define NFS4_enc_create_sz (compound_encode_hdr_maxsz + \
338 encode_putfh_maxsz + \
339 encode_create_maxsz + \
340 encode_getattr_maxsz + \
342 #define NFS4_dec_create_sz (compound_decode_hdr_maxsz + \
343 decode_putfh_maxsz + \
344 decode_create_maxsz + \
345 decode_getattr_maxsz + \
347 #define NFS4_enc_pathconf_sz (compound_encode_hdr_maxsz + \
348 encode_putfh_maxsz + \
349 encode_getattr_maxsz)
350 #define NFS4_dec_pathconf_sz (compound_decode_hdr_maxsz + \
351 decode_putfh_maxsz + \
352 decode_getattr_maxsz)
353 #define NFS4_enc_statfs_sz (compound_encode_hdr_maxsz + \
354 encode_putfh_maxsz + \
355 encode_getattr_maxsz)
356 #define NFS4_dec_statfs_sz (compound_decode_hdr_maxsz + \
357 decode_putfh_maxsz + \
358 op_decode_hdr_maxsz + 12)
359 #define NFS4_enc_server_caps_sz (compound_encode_hdr_maxsz + \
360 encode_getattr_maxsz)
361 #define NFS4_dec_server_caps_sz (compound_decode_hdr_maxsz + \
362 decode_getattr_maxsz)
363 #define NFS4_enc_delegreturn_sz (compound_encode_hdr_maxsz + \
364 encode_putfh_maxsz + \
365 encode_delegreturn_maxsz)
366 #define NFS4_dec_delegreturn_sz (compound_decode_hdr_maxsz + \
367 decode_delegreturn_maxsz)
368 #define NFS4_enc_getacl_sz (compound_encode_hdr_maxsz + \
369 encode_putfh_maxsz + \
370 encode_getattr_maxsz)
371 #define NFS4_dec_getacl_sz (compound_decode_hdr_maxsz + \
372 decode_putfh_maxsz + \
373 op_decode_hdr_maxsz + \
374 nfs4_fattr_bitmap_maxsz + 1)
375 #define NFS4_enc_setacl_sz (compound_encode_hdr_maxsz + \
376 encode_putfh_maxsz + \
377 op_encode_hdr_maxsz + 4 + \
378 nfs4_fattr_bitmap_maxsz + 1)
379 #define NFS4_dec_setacl_sz (compound_decode_hdr_maxsz + \
380 decode_putfh_maxsz + \
381 op_decode_hdr_maxsz + nfs4_fattr_bitmap_maxsz)
385 unsigned int nfs2type;
393 { S_IFSOCK, NFSOCK },
399 struct compound_hdr {
407 * START OF "GENERIC" ENCODE ROUTINES.
408 * These may look a little ugly since they are imported from a "generic"
409 * set of XDR encode/decode routines which are intended to be shared by
410 * all of our NFSv4 implementations (OpenBSD, MacOS X...).
412 * If the pain of reading these is too great, it should be a straightforward
413 * task to translate them into Linux-specific versions which are more
414 * consistent with the style used in NFSv2/v3...
416 #define WRITE32(n) *p++ = htonl(n)
417 #define WRITE64(n) do { \
418 *p++ = htonl((uint32_t)((n) >> 32)); \
419 *p++ = htonl((uint32_t)(n)); \
421 #define WRITEMEM(ptr,nbytes) do { \
422 p = xdr_encode_opaque_fixed(p, ptr, nbytes); \
425 #define RESERVE_SPACE(nbytes) do { \
426 p = xdr_reserve_space(xdr, nbytes); \
427 if (!p) printk("RESERVE_SPACE(%d) failed in function %s\n", (int) (nbytes), __FUNCTION__); \
431 static void encode_string(struct xdr_stream *xdr, unsigned int len, const char *str)
435 p = xdr_reserve_space(xdr, 4 + len);
437 xdr_encode_opaque(p, str, len);
440 static int encode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr)
444 dprintk("encode_compound: tag=%.*s\n", (int)hdr->taglen, hdr->tag);
445 BUG_ON(hdr->taglen > NFS4_MAXTAGLEN);
446 RESERVE_SPACE(12+(XDR_QUADLEN(hdr->taglen)<<2));
447 WRITE32(hdr->taglen);
448 WRITEMEM(hdr->tag, hdr->taglen);
449 WRITE32(NFS4_MINOR_VERSION);
454 static void encode_nfs4_verifier(struct xdr_stream *xdr, const nfs4_verifier *verf)
458 p = xdr_reserve_space(xdr, NFS4_VERIFIER_SIZE);
460 xdr_encode_opaque_fixed(p, verf->data, NFS4_VERIFIER_SIZE);
463 static int encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const struct nfs_server *server)
465 char owner_name[IDMAP_NAMESZ];
466 char owner_group[IDMAP_NAMESZ];
467 int owner_namelen = 0;
468 int owner_grouplen = 0;
477 * We reserve enough space to write the entire attribute buffer at once.
478 * In the worst-case, this would be
479 * 12(bitmap) + 4(attrlen) + 8(size) + 4(mode) + 4(atime) + 4(mtime)
480 * = 36 bytes, plus any contribution from variable-length fields
481 * such as owner/group.
486 if (iap->ia_valid & ATTR_SIZE)
488 if (iap->ia_valid & ATTR_MODE)
490 if (iap->ia_valid & ATTR_UID) {
491 owner_namelen = nfs_map_uid_to_name(server->nfs4_state, iap->ia_uid, owner_name);
492 if (owner_namelen < 0) {
493 printk(KERN_WARNING "nfs: couldn't resolve uid %d to string\n",
496 strcpy(owner_name, "nobody");
497 owner_namelen = sizeof("nobody") - 1;
500 len += 4 + (XDR_QUADLEN(owner_namelen) << 2);
502 if (iap->ia_valid & ATTR_GID) {
503 owner_grouplen = nfs_map_gid_to_group(server->nfs4_state, iap->ia_gid, owner_group);
504 if (owner_grouplen < 0) {
505 printk(KERN_WARNING "nfs4: couldn't resolve gid %d to string\n",
507 strcpy(owner_group, "nobody");
508 owner_grouplen = sizeof("nobody") - 1;
511 len += 4 + (XDR_QUADLEN(owner_grouplen) << 2);
513 if (iap->ia_valid & ATTR_ATIME_SET)
515 else if (iap->ia_valid & ATTR_ATIME)
517 if (iap->ia_valid & ATTR_MTIME_SET)
519 else if (iap->ia_valid & ATTR_MTIME)
524 * We write the bitmap length now, but leave the bitmap and the attribute
525 * buffer length to be backfilled at the end of this routine.
531 if (iap->ia_valid & ATTR_SIZE) {
532 bmval0 |= FATTR4_WORD0_SIZE;
533 WRITE64(iap->ia_size);
535 if (iap->ia_valid & ATTR_MODE) {
536 bmval1 |= FATTR4_WORD1_MODE;
537 WRITE32(iap->ia_mode);
539 if (iap->ia_valid & ATTR_UID) {
540 bmval1 |= FATTR4_WORD1_OWNER;
541 WRITE32(owner_namelen);
542 WRITEMEM(owner_name, owner_namelen);
544 if (iap->ia_valid & ATTR_GID) {
545 bmval1 |= FATTR4_WORD1_OWNER_GROUP;
546 WRITE32(owner_grouplen);
547 WRITEMEM(owner_group, owner_grouplen);
549 if (iap->ia_valid & ATTR_ATIME_SET) {
550 bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET;
551 WRITE32(NFS4_SET_TO_CLIENT_TIME);
553 WRITE32(iap->ia_mtime.tv_sec);
554 WRITE32(iap->ia_mtime.tv_nsec);
556 else if (iap->ia_valid & ATTR_ATIME) {
557 bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET;
558 WRITE32(NFS4_SET_TO_SERVER_TIME);
560 if (iap->ia_valid & ATTR_MTIME_SET) {
561 bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET;
562 WRITE32(NFS4_SET_TO_CLIENT_TIME);
564 WRITE32(iap->ia_mtime.tv_sec);
565 WRITE32(iap->ia_mtime.tv_nsec);
567 else if (iap->ia_valid & ATTR_MTIME) {
568 bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET;
569 WRITE32(NFS4_SET_TO_SERVER_TIME);
573 * Now we backfill the bitmap and the attribute buffer length.
575 if (len != ((char *)p - (char *)q) + 4) {
576 printk ("encode_attr: Attr length calculation error! %u != %Zu\n",
577 len, ((char *)p - (char *)q) + 4);
580 len = (char *)p - (char *)q - 12;
581 *q++ = htonl(bmval0);
582 *q++ = htonl(bmval1);
590 static int encode_access(struct xdr_stream *xdr, u32 access)
601 static int encode_close(struct xdr_stream *xdr, const struct nfs_closeargs *arg)
605 RESERVE_SPACE(8+sizeof(arg->stateid->data));
607 WRITE32(arg->seqid->sequence->counter);
608 WRITEMEM(arg->stateid->data, sizeof(arg->stateid->data));
613 static int encode_commit(struct xdr_stream *xdr, const struct nfs_writeargs *args)
619 WRITE64(args->offset);
620 WRITE32(args->count);
625 static int encode_create(struct xdr_stream *xdr, const struct nfs4_create_arg *create)
631 WRITE32(create->ftype);
633 switch (create->ftype) {
635 RESERVE_SPACE(4 + create->u.symlink->len);
636 WRITE32(create->u.symlink->len);
637 WRITEMEM(create->u.symlink->name, create->u.symlink->len);
640 case NF4BLK: case NF4CHR:
642 WRITE32(create->u.device.specdata1);
643 WRITE32(create->u.device.specdata2);
650 RESERVE_SPACE(4 + create->name->len);
651 WRITE32(create->name->len);
652 WRITEMEM(create->name->name, create->name->len);
654 return encode_attrs(xdr, create->attrs, create->server);
657 static int encode_getattr_one(struct xdr_stream *xdr, uint32_t bitmap)
668 static int encode_getattr_two(struct xdr_stream *xdr, uint32_t bm0, uint32_t bm1)
680 static int encode_getfattr(struct xdr_stream *xdr, const u32* bitmask)
682 return encode_getattr_two(xdr,
683 bitmask[0] & nfs4_fattr_bitmap[0],
684 bitmask[1] & nfs4_fattr_bitmap[1]);
687 static int encode_fsinfo(struct xdr_stream *xdr, const u32* bitmask)
689 return encode_getattr_two(xdr, bitmask[0] & nfs4_fsinfo_bitmap[0],
690 bitmask[1] & nfs4_fsinfo_bitmap[1]);
693 static int encode_getfh(struct xdr_stream *xdr)
703 static int encode_link(struct xdr_stream *xdr, const struct qstr *name)
707 RESERVE_SPACE(8 + name->len);
710 WRITEMEM(name->name, name->len);
716 * opcode,type,reclaim,offset,length,new_lock_owner = 32
717 * open_seqid,open_stateid,lock_seqid,lock_owner.clientid, lock_owner.id = 40
719 static int encode_lock(struct xdr_stream *xdr, const struct nfs_lockargs *arg)
722 struct nfs_lock_opargs *opargs = arg->u.lock;
727 WRITE32(opargs->reclaim);
728 WRITE64(arg->offset);
729 WRITE64(arg->length);
730 WRITE32(opargs->new_lock_owner);
731 if (opargs->new_lock_owner){
732 struct nfs_open_to_lock *ol = opargs->u.open_lock;
735 WRITE32(ol->open_seqid->sequence->counter);
736 WRITEMEM(&ol->open_stateid, sizeof(ol->open_stateid));
737 WRITE32(ol->lock_seqid->sequence->counter);
738 WRITE64(ol->lock_owner.clientid);
740 WRITE32(ol->lock_owner.id);
743 struct nfs_exist_lock *el = opargs->u.exist_lock;
746 WRITEMEM(&el->stateid, sizeof(el->stateid));
747 WRITE32(el->seqid->sequence->counter);
753 static int encode_lockt(struct xdr_stream *xdr, const struct nfs_lockargs *arg)
756 struct nfs_lowner *opargs = arg->u.lockt;
761 WRITE64(arg->offset);
762 WRITE64(arg->length);
763 WRITE64(opargs->clientid);
770 static int encode_locku(struct xdr_stream *xdr, const struct nfs_lockargs *arg)
773 struct nfs_locku_opargs *opargs = arg->u.locku;
778 WRITE32(opargs->seqid->sequence->counter);
779 WRITEMEM(&opargs->stateid, sizeof(opargs->stateid));
780 WRITE64(arg->offset);
781 WRITE64(arg->length);
786 static int encode_lookup(struct xdr_stream *xdr, const struct qstr *name)
791 RESERVE_SPACE(8 + len);
794 WRITEMEM(name->name, len);
799 static void encode_share_access(struct xdr_stream *xdr, int open_flags)
804 switch (open_flags & (FMODE_READ|FMODE_WRITE)) {
806 WRITE32(NFS4_SHARE_ACCESS_READ);
809 WRITE32(NFS4_SHARE_ACCESS_WRITE);
811 case FMODE_READ|FMODE_WRITE:
812 WRITE32(NFS4_SHARE_ACCESS_BOTH);
817 WRITE32(0); /* for linux, share_deny = 0 always */
820 static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_openargs *arg)
824 * opcode 4, seqid 4, share_access 4, share_deny 4, clientid 8, ownerlen 4,
829 WRITE32(arg->seqid->sequence->counter);
830 encode_share_access(xdr, arg->open_flags);
832 WRITE64(arg->clientid);
837 static inline void encode_createmode(struct xdr_stream *xdr, const struct nfs_openargs *arg)
842 switch(arg->open_flags & O_EXCL) {
844 WRITE32(NFS4_CREATE_UNCHECKED);
845 encode_attrs(xdr, arg->u.attrs, arg->server);
848 WRITE32(NFS4_CREATE_EXCLUSIVE);
849 encode_nfs4_verifier(xdr, &arg->u.verifier);
853 static void encode_opentype(struct xdr_stream *xdr, const struct nfs_openargs *arg)
858 switch (arg->open_flags & O_CREAT) {
860 WRITE32(NFS4_OPEN_NOCREATE);
863 BUG_ON(arg->claim != NFS4_OPEN_CLAIM_NULL);
864 WRITE32(NFS4_OPEN_CREATE);
865 encode_createmode(xdr, arg);
869 static inline void encode_delegation_type(struct xdr_stream *xdr, int delegation_type)
874 switch (delegation_type) {
876 WRITE32(NFS4_OPEN_DELEGATE_NONE);
879 WRITE32(NFS4_OPEN_DELEGATE_READ);
881 case FMODE_WRITE|FMODE_READ:
882 WRITE32(NFS4_OPEN_DELEGATE_WRITE);
889 static inline void encode_claim_null(struct xdr_stream *xdr, const struct qstr *name)
894 WRITE32(NFS4_OPEN_CLAIM_NULL);
895 encode_string(xdr, name->len, name->name);
898 static inline void encode_claim_previous(struct xdr_stream *xdr, int type)
903 WRITE32(NFS4_OPEN_CLAIM_PREVIOUS);
904 encode_delegation_type(xdr, type);
907 static inline void encode_claim_delegate_cur(struct xdr_stream *xdr, const struct qstr *name, const nfs4_stateid *stateid)
911 RESERVE_SPACE(4+sizeof(stateid->data));
912 WRITE32(NFS4_OPEN_CLAIM_DELEGATE_CUR);
913 WRITEMEM(stateid->data, sizeof(stateid->data));
914 encode_string(xdr, name->len, name->name);
917 static int encode_open(struct xdr_stream *xdr, const struct nfs_openargs *arg)
919 encode_openhdr(xdr, arg);
920 encode_opentype(xdr, arg);
921 switch (arg->claim) {
922 case NFS4_OPEN_CLAIM_NULL:
923 encode_claim_null(xdr, arg->name);
925 case NFS4_OPEN_CLAIM_PREVIOUS:
926 encode_claim_previous(xdr, arg->u.delegation_type);
928 case NFS4_OPEN_CLAIM_DELEGATE_CUR:
929 encode_claim_delegate_cur(xdr, arg->name, &arg->u.delegation);
937 static int encode_open_confirm(struct xdr_stream *xdr, const struct nfs_open_confirmargs *arg)
941 RESERVE_SPACE(8+sizeof(arg->stateid.data));
942 WRITE32(OP_OPEN_CONFIRM);
943 WRITEMEM(arg->stateid.data, sizeof(arg->stateid.data));
944 WRITE32(arg->seqid->sequence->counter);
949 static int encode_open_downgrade(struct xdr_stream *xdr, const struct nfs_closeargs *arg)
953 RESERVE_SPACE(8+sizeof(arg->stateid->data));
954 WRITE32(OP_OPEN_DOWNGRADE);
955 WRITEMEM(arg->stateid->data, sizeof(arg->stateid->data));
956 WRITE32(arg->seqid->sequence->counter);
957 encode_share_access(xdr, arg->open_flags);
962 encode_putfh(struct xdr_stream *xdr, const struct nfs_fh *fh)
967 RESERVE_SPACE(8 + len);
970 WRITEMEM(fh->data, len);
975 static int encode_putrootfh(struct xdr_stream *xdr)
980 WRITE32(OP_PUTROOTFH);
985 static void encode_stateid(struct xdr_stream *xdr, const struct nfs_open_context *ctx)
987 nfs4_stateid stateid;
991 if (ctx->state != NULL) {
992 nfs4_copy_stateid(&stateid, ctx->state, ctx->lockowner);
993 WRITEMEM(stateid.data, sizeof(stateid.data));
995 WRITEMEM(zero_stateid.data, sizeof(zero_stateid.data));
998 static int encode_read(struct xdr_stream *xdr, const struct nfs_readargs *args)
1005 encode_stateid(xdr, args->context);
1008 WRITE64(args->offset);
1009 WRITE32(args->count);
1014 static int encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg *readdir, struct rpc_rqst *req)
1016 struct rpc_auth *auth = req->rq_task->tk_auth;
1017 uint32_t attrs[2] = {
1018 FATTR4_WORD0_RDATTR_ERROR|FATTR4_WORD0_FILEID,
1019 FATTR4_WORD1_MOUNTED_ON_FILEID,
1024 RESERVE_SPACE(32+sizeof(nfs4_verifier));
1025 WRITE32(OP_READDIR);
1026 WRITE64(readdir->cookie);
1027 WRITEMEM(readdir->verifier.data, sizeof(readdir->verifier.data));
1028 WRITE32(readdir->count >> 1); /* We're not doing readdirplus */
1029 WRITE32(readdir->count);
1031 /* Switch to mounted_on_fileid if the server supports it */
1032 if (readdir->bitmask[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)
1033 attrs[0] &= ~FATTR4_WORD0_FILEID;
1035 attrs[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID;
1036 WRITE32(attrs[0] & readdir->bitmask[0]);
1037 WRITE32(attrs[1] & readdir->bitmask[1]);
1038 dprintk("%s: cookie = %Lu, verifier = 0x%x%x, bitmap = 0x%x%x\n",
1040 (unsigned long long)readdir->cookie,
1041 ((u32 *)readdir->verifier.data)[0],
1042 ((u32 *)readdir->verifier.data)[1],
1043 attrs[0] & readdir->bitmask[0],
1044 attrs[1] & readdir->bitmask[1]);
1046 /* set up reply kvec
1047 * toplevel_status + taglen + rescount + OP_PUTFH + status
1048 * + OP_READDIR + status + verifer(2) = 9
1050 replen = (RPC_REPHDRSIZE + auth->au_rslack + 9) << 2;
1051 xdr_inline_pages(&req->rq_rcv_buf, replen, readdir->pages,
1052 readdir->pgbase, readdir->count);
1053 dprintk("%s: inlined page args = (%u, %p, %u, %u)\n",
1054 __FUNCTION__, replen, readdir->pages,
1055 readdir->pgbase, readdir->count);
1060 static int encode_readlink(struct xdr_stream *xdr, const struct nfs4_readlink *readlink, struct rpc_rqst *req)
1062 struct rpc_auth *auth = req->rq_task->tk_auth;
1063 unsigned int replen;
1067 WRITE32(OP_READLINK);
1069 /* set up reply kvec
1070 * toplevel_status + taglen + rescount + OP_PUTFH + status
1071 * + OP_READLINK + status + string length = 8
1073 replen = (RPC_REPHDRSIZE + auth->au_rslack + 8) << 2;
1074 xdr_inline_pages(&req->rq_rcv_buf, replen, readlink->pages,
1075 readlink->pgbase, readlink->pglen);
1080 static int encode_remove(struct xdr_stream *xdr, const struct qstr *name)
1084 RESERVE_SPACE(8 + name->len);
1087 WRITEMEM(name->name, name->len);
1092 static int encode_rename(struct xdr_stream *xdr, const struct qstr *oldname, const struct qstr *newname)
1096 RESERVE_SPACE(8 + oldname->len);
1098 WRITE32(oldname->len);
1099 WRITEMEM(oldname->name, oldname->len);
1101 RESERVE_SPACE(4 + newname->len);
1102 WRITE32(newname->len);
1103 WRITEMEM(newname->name, newname->len);
1108 static int encode_renew(struct xdr_stream *xdr, const struct nfs4_client *client_stateid)
1114 WRITE64(client_stateid->cl_clientid);
1120 encode_setacl(struct xdr_stream *xdr, struct nfs_setaclargs *arg)
1124 RESERVE_SPACE(4+sizeof(zero_stateid.data));
1125 WRITE32(OP_SETATTR);
1126 WRITEMEM(zero_stateid.data, sizeof(zero_stateid.data));
1129 WRITE32(FATTR4_WORD0_ACL);
1130 if (arg->acl_len % 4)
1133 WRITE32(arg->acl_len);
1134 xdr_write_pages(xdr, arg->acl_pages, arg->acl_pgbase, arg->acl_len);
1139 encode_savefh(struct xdr_stream *xdr)
1149 static int encode_setattr(struct xdr_stream *xdr, const struct nfs_setattrargs *arg, const struct nfs_server *server)
1154 RESERVE_SPACE(4+sizeof(arg->stateid.data));
1155 WRITE32(OP_SETATTR);
1156 WRITEMEM(arg->stateid.data, sizeof(arg->stateid.data));
1158 if ((status = encode_attrs(xdr, arg->iap, server)))
1164 static int encode_setclientid(struct xdr_stream *xdr, const struct nfs4_setclientid *setclientid)
1168 RESERVE_SPACE(4 + sizeof(setclientid->sc_verifier->data));
1169 WRITE32(OP_SETCLIENTID);
1170 WRITEMEM(setclientid->sc_verifier->data, sizeof(setclientid->sc_verifier->data));
1172 encode_string(xdr, setclientid->sc_name_len, setclientid->sc_name);
1174 WRITE32(setclientid->sc_prog);
1175 encode_string(xdr, setclientid->sc_netid_len, setclientid->sc_netid);
1176 encode_string(xdr, setclientid->sc_uaddr_len, setclientid->sc_uaddr);
1178 WRITE32(setclientid->sc_cb_ident);
1183 static int encode_setclientid_confirm(struct xdr_stream *xdr, const struct nfs4_client *client_state)
1187 RESERVE_SPACE(12 + sizeof(client_state->cl_confirm.data));
1188 WRITE32(OP_SETCLIENTID_CONFIRM);
1189 WRITE64(client_state->cl_clientid);
1190 WRITEMEM(client_state->cl_confirm.data, sizeof(client_state->cl_confirm.data));
1195 static int encode_write(struct xdr_stream *xdr, const struct nfs_writeargs *args)
1202 encode_stateid(xdr, args->context);
1205 WRITE64(args->offset);
1206 WRITE32(args->stable);
1207 WRITE32(args->count);
1209 xdr_write_pages(xdr, args->pages, args->pgbase, args->count);
1214 static int encode_delegreturn(struct xdr_stream *xdr, const nfs4_stateid *stateid)
1220 WRITE32(OP_DELEGRETURN);
1221 WRITEMEM(stateid->data, sizeof(stateid->data));
1226 * END OF "GENERIC" ENCODE ROUTINES.
1230 * Encode an ACCESS request
1232 static int nfs4_xdr_enc_access(struct rpc_rqst *req, uint32_t *p, const struct nfs4_accessargs *args)
1234 struct xdr_stream xdr;
1235 struct compound_hdr hdr = {
1240 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1241 encode_compound_hdr(&xdr, &hdr);
1242 if ((status = encode_putfh(&xdr, args->fh)) == 0)
1243 status = encode_access(&xdr, args->access);
1248 * Encode LOOKUP request
1250 static int nfs4_xdr_enc_lookup(struct rpc_rqst *req, uint32_t *p, const struct nfs4_lookup_arg *args)
1252 struct xdr_stream xdr;
1253 struct compound_hdr hdr = {
1258 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1259 encode_compound_hdr(&xdr, &hdr);
1260 if ((status = encode_putfh(&xdr, args->dir_fh)) != 0)
1262 if ((status = encode_lookup(&xdr, args->name)) != 0)
1264 if ((status = encode_getfh(&xdr)) != 0)
1266 status = encode_getfattr(&xdr, args->bitmask);
1272 * Encode LOOKUP_ROOT request
1274 static int nfs4_xdr_enc_lookup_root(struct rpc_rqst *req, uint32_t *p, const struct nfs4_lookup_root_arg *args)
1276 struct xdr_stream xdr;
1277 struct compound_hdr hdr = {
1282 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1283 encode_compound_hdr(&xdr, &hdr);
1284 if ((status = encode_putrootfh(&xdr)) != 0)
1286 if ((status = encode_getfh(&xdr)) == 0)
1287 status = encode_getfattr(&xdr, args->bitmask);
1293 * Encode REMOVE request
1295 static int nfs4_xdr_enc_remove(struct rpc_rqst *req, uint32_t *p, const struct nfs4_remove_arg *args)
1297 struct xdr_stream xdr;
1298 struct compound_hdr hdr = {
1303 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1304 encode_compound_hdr(&xdr, &hdr);
1305 if ((status = encode_putfh(&xdr, args->fh)) == 0)
1306 status = encode_remove(&xdr, args->name);
1311 * Encode RENAME request
1313 static int nfs4_xdr_enc_rename(struct rpc_rqst *req, uint32_t *p, const struct nfs4_rename_arg *args)
1315 struct xdr_stream xdr;
1316 struct compound_hdr hdr = {
1321 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1322 encode_compound_hdr(&xdr, &hdr);
1323 if ((status = encode_putfh(&xdr, args->old_dir)) != 0)
1325 if ((status = encode_savefh(&xdr)) != 0)
1327 if ((status = encode_putfh(&xdr, args->new_dir)) != 0)
1329 status = encode_rename(&xdr, args->old_name, args->new_name);
1335 * Encode LINK request
1337 static int nfs4_xdr_enc_link(struct rpc_rqst *req, uint32_t *p, const struct nfs4_link_arg *args)
1339 struct xdr_stream xdr;
1340 struct compound_hdr hdr = {
1345 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1346 encode_compound_hdr(&xdr, &hdr);
1347 if ((status = encode_putfh(&xdr, args->fh)) != 0)
1349 if ((status = encode_savefh(&xdr)) != 0)
1351 if ((status = encode_putfh(&xdr, args->dir_fh)) != 0)
1353 status = encode_link(&xdr, args->name);
1359 * Encode CREATE request
1361 static int nfs4_xdr_enc_create(struct rpc_rqst *req, uint32_t *p, const struct nfs4_create_arg *args)
1363 struct xdr_stream xdr;
1364 struct compound_hdr hdr = {
1369 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1370 encode_compound_hdr(&xdr, &hdr);
1371 if ((status = encode_putfh(&xdr, args->dir_fh)) != 0)
1373 if ((status = encode_create(&xdr, args)) != 0)
1375 if ((status = encode_getfh(&xdr)) != 0)
1377 status = encode_getfattr(&xdr, args->bitmask);
1383 * Encode SYMLINK request
1385 static int nfs4_xdr_enc_symlink(struct rpc_rqst *req, uint32_t *p, const struct nfs4_create_arg *args)
1387 return nfs4_xdr_enc_create(req, p, args);
1391 * Encode GETATTR request
1393 static int nfs4_xdr_enc_getattr(struct rpc_rqst *req, uint32_t *p, const struct nfs4_getattr_arg *args)
1395 struct xdr_stream xdr;
1396 struct compound_hdr hdr = {
1401 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1402 encode_compound_hdr(&xdr, &hdr);
1403 if ((status = encode_putfh(&xdr, args->fh)) == 0)
1404 status = encode_getfattr(&xdr, args->bitmask);
1409 * Encode a CLOSE request
1411 static int nfs4_xdr_enc_close(struct rpc_rqst *req, uint32_t *p, struct nfs_closeargs *args)
1413 struct xdr_stream xdr;
1414 struct compound_hdr hdr = {
1419 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1420 encode_compound_hdr(&xdr, &hdr);
1421 status = encode_putfh(&xdr, args->fh);
1424 status = encode_close(&xdr, args);
1430 * Encode an OPEN request
1432 static int nfs4_xdr_enc_open(struct rpc_rqst *req, uint32_t *p, struct nfs_openargs *args)
1434 struct xdr_stream xdr;
1435 struct compound_hdr hdr = {
1440 status = nfs_wait_on_sequence(args->seqid, req->rq_task);
1443 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1444 encode_compound_hdr(&xdr, &hdr);
1445 status = encode_putfh(&xdr, args->fh);
1448 status = encode_open(&xdr, args);
1451 status = encode_getfh(&xdr);
1454 status = encode_getfattr(&xdr, args->bitmask);
1460 * Encode an OPEN_CONFIRM request
1462 static int nfs4_xdr_enc_open_confirm(struct rpc_rqst *req, uint32_t *p, struct nfs_open_confirmargs *args)
1464 struct xdr_stream xdr;
1465 struct compound_hdr hdr = {
1470 status = nfs_wait_on_sequence(args->seqid, req->rq_task);
1473 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1474 encode_compound_hdr(&xdr, &hdr);
1475 status = encode_putfh(&xdr, args->fh);
1478 status = encode_open_confirm(&xdr, args);
1484 * Encode an OPEN request with no attributes.
1486 static int nfs4_xdr_enc_open_noattr(struct rpc_rqst *req, uint32_t *p, struct nfs_openargs *args)
1488 struct xdr_stream xdr;
1489 struct compound_hdr hdr = {
1494 status = nfs_wait_on_sequence(args->seqid, req->rq_task);
1497 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1498 encode_compound_hdr(&xdr, &hdr);
1499 status = encode_putfh(&xdr, args->fh);
1502 status = encode_open(&xdr, args);
1508 * Encode an OPEN_DOWNGRADE request
1510 static int nfs4_xdr_enc_open_downgrade(struct rpc_rqst *req, uint32_t *p, struct nfs_closeargs *args)
1512 struct xdr_stream xdr;
1513 struct compound_hdr hdr = {
1518 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1519 encode_compound_hdr(&xdr, &hdr);
1520 status = encode_putfh(&xdr, args->fh);
1523 status = encode_open_downgrade(&xdr, args);
1529 * Encode a LOCK request
1531 static int nfs4_xdr_enc_lock(struct rpc_rqst *req, uint32_t *p, struct nfs_lockargs *args)
1533 struct xdr_stream xdr;
1534 struct compound_hdr hdr = {
1537 struct nfs_lock_opargs *opargs = args->u.lock;
1538 struct nfs_seqid *seqid;
1541 if (opargs->new_lock_owner)
1542 seqid = opargs->u.open_lock->lock_seqid;
1544 seqid = opargs->u.exist_lock->seqid;
1545 status = nfs_wait_on_sequence(seqid, req->rq_task);
1548 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1549 encode_compound_hdr(&xdr, &hdr);
1550 status = encode_putfh(&xdr, args->fh);
1553 status = encode_lock(&xdr, args);
1559 * Encode a LOCKT request
1561 static int nfs4_xdr_enc_lockt(struct rpc_rqst *req, uint32_t *p, struct nfs_lockargs *args)
1563 struct xdr_stream xdr;
1564 struct compound_hdr hdr = {
1569 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1570 encode_compound_hdr(&xdr, &hdr);
1571 status = encode_putfh(&xdr, args->fh);
1574 status = encode_lockt(&xdr, args);
1580 * Encode a LOCKU request
1582 static int nfs4_xdr_enc_locku(struct rpc_rqst *req, uint32_t *p, struct nfs_lockargs *args)
1584 struct xdr_stream xdr;
1585 struct compound_hdr hdr = {
1590 status = nfs_wait_on_sequence(args->u.locku->seqid, req->rq_task);
1593 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1594 encode_compound_hdr(&xdr, &hdr);
1595 status = encode_putfh(&xdr, args->fh);
1598 status = encode_locku(&xdr, args);
1604 * Encode a READLINK request
1606 static int nfs4_xdr_enc_readlink(struct rpc_rqst *req, uint32_t *p, const struct nfs4_readlink *args)
1608 struct xdr_stream xdr;
1609 struct compound_hdr hdr = {
1614 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1615 encode_compound_hdr(&xdr, &hdr);
1616 status = encode_putfh(&xdr, args->fh);
1619 status = encode_readlink(&xdr, args, req);
1625 * Encode a READDIR request
1627 static int nfs4_xdr_enc_readdir(struct rpc_rqst *req, uint32_t *p, const struct nfs4_readdir_arg *args)
1629 struct xdr_stream xdr;
1630 struct compound_hdr hdr = {
1635 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1636 encode_compound_hdr(&xdr, &hdr);
1637 status = encode_putfh(&xdr, args->fh);
1640 status = encode_readdir(&xdr, args, req);
1646 * Encode a READ request
1648 static int nfs4_xdr_enc_read(struct rpc_rqst *req, uint32_t *p, struct nfs_readargs *args)
1650 struct rpc_auth *auth = req->rq_task->tk_auth;
1651 struct xdr_stream xdr;
1652 struct compound_hdr hdr = {
1657 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1658 encode_compound_hdr(&xdr, &hdr);
1659 status = encode_putfh(&xdr, args->fh);
1662 status = encode_read(&xdr, args);
1666 /* set up reply kvec
1667 * toplevel status + taglen=0 + rescount + OP_PUTFH + status
1668 * + OP_READ + status + eof + datalen = 9
1670 replen = (RPC_REPHDRSIZE + auth->au_rslack + NFS4_dec_read_sz) << 2;
1671 xdr_inline_pages(&req->rq_rcv_buf, replen,
1672 args->pages, args->pgbase, args->count);
1678 * Encode an SETATTR request
1680 static int nfs4_xdr_enc_setattr(struct rpc_rqst *req, uint32_t *p, struct nfs_setattrargs *args)
1683 struct xdr_stream xdr;
1684 struct compound_hdr hdr = {
1689 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1690 encode_compound_hdr(&xdr, &hdr);
1691 status = encode_putfh(&xdr, args->fh);
1694 status = encode_setattr(&xdr, args, args->server);
1697 status = encode_getfattr(&xdr, args->bitmask);
1703 * Encode a GETACL request
1706 nfs4_xdr_enc_getacl(struct rpc_rqst *req, uint32_t *p,
1707 struct nfs_getaclargs *args)
1709 struct xdr_stream xdr;
1710 struct rpc_auth *auth = req->rq_task->tk_auth;
1711 struct compound_hdr hdr = {
1716 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1717 encode_compound_hdr(&xdr, &hdr);
1718 status = encode_putfh(&xdr, args->fh);
1721 status = encode_getattr_two(&xdr, FATTR4_WORD0_ACL, 0);
1722 /* set up reply buffer: */
1723 replen = (RPC_REPHDRSIZE + auth->au_rslack + NFS4_dec_getacl_sz) << 2;
1724 xdr_inline_pages(&req->rq_rcv_buf, replen,
1725 args->acl_pages, args->acl_pgbase, args->acl_len);
1731 * Encode a WRITE request
1733 static int nfs4_xdr_enc_write(struct rpc_rqst *req, uint32_t *p, struct nfs_writeargs *args)
1735 struct xdr_stream xdr;
1736 struct compound_hdr hdr = {
1741 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1742 encode_compound_hdr(&xdr, &hdr);
1743 status = encode_putfh(&xdr, args->fh);
1746 status = encode_write(&xdr, args);
1754 static int nfs4_xdr_enc_commit(struct rpc_rqst *req, uint32_t *p, struct nfs_writeargs *args)
1756 struct xdr_stream xdr;
1757 struct compound_hdr hdr = {
1762 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1763 encode_compound_hdr(&xdr, &hdr);
1764 status = encode_putfh(&xdr, args->fh);
1767 status = encode_commit(&xdr, args);
1775 static int nfs4_xdr_enc_fsinfo(struct rpc_rqst *req, uint32_t *p, struct nfs4_fsinfo_arg *args)
1777 struct xdr_stream xdr;
1778 struct compound_hdr hdr = {
1783 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1784 encode_compound_hdr(&xdr, &hdr);
1785 status = encode_putfh(&xdr, args->fh);
1787 status = encode_fsinfo(&xdr, args->bitmask);
1792 * a PATHCONF request
1794 static int nfs4_xdr_enc_pathconf(struct rpc_rqst *req, uint32_t *p, const struct nfs4_pathconf_arg *args)
1796 struct xdr_stream xdr;
1797 struct compound_hdr hdr = {
1802 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1803 encode_compound_hdr(&xdr, &hdr);
1804 status = encode_putfh(&xdr, args->fh);
1806 status = encode_getattr_one(&xdr,
1807 args->bitmask[0] & nfs4_pathconf_bitmap[0]);
1814 static int nfs4_xdr_enc_statfs(struct rpc_rqst *req, uint32_t *p, const struct nfs4_statfs_arg *args)
1816 struct xdr_stream xdr;
1817 struct compound_hdr hdr = {
1822 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1823 encode_compound_hdr(&xdr, &hdr);
1824 status = encode_putfh(&xdr, args->fh);
1826 status = encode_getattr_two(&xdr,
1827 args->bitmask[0] & nfs4_statfs_bitmap[0],
1828 args->bitmask[1] & nfs4_statfs_bitmap[1]);
1833 * GETATTR_BITMAP request
1835 static int nfs4_xdr_enc_server_caps(struct rpc_rqst *req, uint32_t *p, const struct nfs_fh *fhandle)
1837 struct xdr_stream xdr;
1838 struct compound_hdr hdr = {
1843 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1844 encode_compound_hdr(&xdr, &hdr);
1845 status = encode_putfh(&xdr, fhandle);
1847 status = encode_getattr_one(&xdr, FATTR4_WORD0_SUPPORTED_ATTRS|
1848 FATTR4_WORD0_LINK_SUPPORT|
1849 FATTR4_WORD0_SYMLINK_SUPPORT|
1850 FATTR4_WORD0_ACLSUPPORT);
1857 static int nfs4_xdr_enc_renew(struct rpc_rqst *req, uint32_t *p, struct nfs4_client *clp)
1859 struct xdr_stream xdr;
1860 struct compound_hdr hdr = {
1864 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1865 encode_compound_hdr(&xdr, &hdr);
1866 return encode_renew(&xdr, clp);
1870 * a SETCLIENTID request
1872 static int nfs4_xdr_enc_setclientid(struct rpc_rqst *req, uint32_t *p, struct nfs4_setclientid *sc)
1874 struct xdr_stream xdr;
1875 struct compound_hdr hdr = {
1879 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1880 encode_compound_hdr(&xdr, &hdr);
1881 return encode_setclientid(&xdr, sc);
1885 * a SETCLIENTID_CONFIRM request
1887 static int nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, uint32_t *p, struct nfs4_client *clp)
1889 struct xdr_stream xdr;
1890 struct compound_hdr hdr = {
1893 const u32 lease_bitmap[2] = { FATTR4_WORD0_LEASE_TIME, 0 };
1896 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1897 encode_compound_hdr(&xdr, &hdr);
1898 status = encode_setclientid_confirm(&xdr, clp);
1900 status = encode_putrootfh(&xdr);
1902 status = encode_fsinfo(&xdr, lease_bitmap);
1907 * DELEGRETURN request
1909 static int nfs4_xdr_enc_delegreturn(struct rpc_rqst *req, uint32_t *p, const struct nfs4_delegreturnargs *args)
1911 struct xdr_stream xdr;
1912 struct compound_hdr hdr = {
1917 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1918 encode_compound_hdr(&xdr, &hdr);
1919 if ((status = encode_putfh(&xdr, args->fhandle)) == 0)
1920 status = encode_delegreturn(&xdr, args->stateid);
1925 * START OF "GENERIC" DECODE ROUTINES.
1926 * These may look a little ugly since they are imported from a "generic"
1927 * set of XDR encode/decode routines which are intended to be shared by
1928 * all of our NFSv4 implementations (OpenBSD, MacOS X...).
1930 * If the pain of reading these is too great, it should be a straightforward
1931 * task to translate them into Linux-specific versions which are more
1932 * consistent with the style used in NFSv2/v3...
1934 #define READ32(x) (x) = ntohl(*p++)
1935 #define READ64(x) do { \
1936 (x) = (u64)ntohl(*p++) << 32; \
1937 (x) |= ntohl(*p++); \
1939 #define READTIME(x) do { \
1941 (x.tv_sec) = ntohl(*p++); \
1942 (x.tv_nsec) = ntohl(*p++); \
1944 #define COPYMEM(x,nbytes) do { \
1945 memcpy((x), p, nbytes); \
1946 p += XDR_QUADLEN(nbytes); \
1949 #define READ_BUF(nbytes) do { \
1950 p = xdr_inline_decode(xdr, nbytes); \
1952 printk(KERN_WARNING "%s: reply buffer overflowed in line %d.", \
1953 __FUNCTION__, __LINE__); \
1958 static int decode_opaque_inline(struct xdr_stream *xdr, uint32_t *len, char **string)
1965 *string = (char *)p;
1969 static int decode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr)
1974 READ32(hdr->status);
1975 READ32(hdr->taglen);
1977 READ_BUF(hdr->taglen + 4);
1978 hdr->tag = (char *)p;
1979 p += XDR_QUADLEN(hdr->taglen);
1984 static int decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected)
1992 if (opnum != expected) {
1994 "nfs4_decode_op_hdr: Server returned operation"
1995 " %d but we issued a request for %d\n",
2000 if (nfserr != NFS_OK)
2001 return -nfs_stat_to_errno(nfserr);
2006 static int decode_ace(struct xdr_stream *xdr, void *ace, struct nfs4_client *clp)
2013 return decode_opaque_inline(xdr, &strlen, &str);
2016 static int decode_attr_bitmap(struct xdr_stream *xdr, uint32_t *bitmap)
2023 bitmap[0] = bitmap[1] = 0;
2024 READ_BUF((bmlen << 2));
2033 static inline int decode_attr_length(struct xdr_stream *xdr, uint32_t *attrlen, uint32_t **savep)
2043 static int decode_attr_supported(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *bitmask)
2045 if (likely(bitmap[0] & FATTR4_WORD0_SUPPORTED_ATTRS)) {
2046 decode_attr_bitmap(xdr, bitmask);
2047 bitmap[0] &= ~FATTR4_WORD0_SUPPORTED_ATTRS;
2049 bitmask[0] = bitmask[1] = 0;
2050 dprintk("%s: bitmask=0x%x%x\n", __FUNCTION__, bitmask[0], bitmask[1]);
2054 static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *type)
2059 if (unlikely(bitmap[0] & (FATTR4_WORD0_TYPE - 1U)))
2061 if (likely(bitmap[0] & FATTR4_WORD0_TYPE)) {
2064 if (*type < NF4REG || *type > NF4NAMEDATTR) {
2065 dprintk("%s: bad type %d\n", __FUNCTION__, *type);
2068 bitmap[0] &= ~FATTR4_WORD0_TYPE;
2070 dprintk("%s: type=0%o\n", __FUNCTION__, nfs_type2fmt[*type].nfs2type);
2074 static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *change)
2079 if (unlikely(bitmap[0] & (FATTR4_WORD0_CHANGE - 1U)))
2081 if (likely(bitmap[0] & FATTR4_WORD0_CHANGE)) {
2084 bitmap[0] &= ~FATTR4_WORD0_CHANGE;
2086 dprintk("%s: change attribute=%Lu\n", __FUNCTION__,
2087 (unsigned long long)*change);
2091 static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *size)
2096 if (unlikely(bitmap[0] & (FATTR4_WORD0_SIZE - 1U)))
2098 if (likely(bitmap[0] & FATTR4_WORD0_SIZE)) {
2101 bitmap[0] &= ~FATTR4_WORD0_SIZE;
2103 dprintk("%s: file size=%Lu\n", __FUNCTION__, (unsigned long long)*size);
2107 static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res)
2112 if (unlikely(bitmap[0] & (FATTR4_WORD0_LINK_SUPPORT - 1U)))
2114 if (likely(bitmap[0] & FATTR4_WORD0_LINK_SUPPORT)) {
2117 bitmap[0] &= ~FATTR4_WORD0_LINK_SUPPORT;
2119 dprintk("%s: link support=%s\n", __FUNCTION__, *res == 0 ? "false" : "true");
2123 static int decode_attr_symlink_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res)
2128 if (unlikely(bitmap[0] & (FATTR4_WORD0_SYMLINK_SUPPORT - 1U)))
2130 if (likely(bitmap[0] & FATTR4_WORD0_SYMLINK_SUPPORT)) {
2133 bitmap[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT;
2135 dprintk("%s: symlink support=%s\n", __FUNCTION__, *res == 0 ? "false" : "true");
2139 static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_fsid *fsid)
2145 if (unlikely(bitmap[0] & (FATTR4_WORD0_FSID - 1U)))
2147 if (likely(bitmap[0] & FATTR4_WORD0_FSID)) {
2149 READ64(fsid->major);
2150 READ64(fsid->minor);
2151 bitmap[0] &= ~FATTR4_WORD0_FSID;
2153 dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __FUNCTION__,
2154 (unsigned long long)fsid->major,
2155 (unsigned long long)fsid->minor);
2159 static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res)
2164 if (unlikely(bitmap[0] & (FATTR4_WORD0_LEASE_TIME - 1U)))
2166 if (likely(bitmap[0] & FATTR4_WORD0_LEASE_TIME)) {
2169 bitmap[0] &= ~FATTR4_WORD0_LEASE_TIME;
2171 dprintk("%s: file size=%u\n", __FUNCTION__, (unsigned int)*res);
2175 static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res)
2179 *res = ACL4_SUPPORT_ALLOW_ACL|ACL4_SUPPORT_DENY_ACL;
2180 if (unlikely(bitmap[0] & (FATTR4_WORD0_ACLSUPPORT - 1U)))
2182 if (likely(bitmap[0] & FATTR4_WORD0_ACLSUPPORT)) {
2185 bitmap[0] &= ~FATTR4_WORD0_ACLSUPPORT;
2187 dprintk("%s: ACLs supported=%u\n", __FUNCTION__, (unsigned int)*res);
2191 static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid)
2196 if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEID - 1U)))
2198 if (likely(bitmap[0] & FATTR4_WORD0_FILEID)) {
2201 bitmap[0] &= ~FATTR4_WORD0_FILEID;
2203 dprintk("%s: fileid=%Lu\n", __FUNCTION__, (unsigned long long)*fileid);
2207 static int decode_attr_files_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
2213 if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_AVAIL - 1U)))
2215 if (likely(bitmap[0] & FATTR4_WORD0_FILES_AVAIL)) {
2218 bitmap[0] &= ~FATTR4_WORD0_FILES_AVAIL;
2220 dprintk("%s: files avail=%Lu\n", __FUNCTION__, (unsigned long long)*res);
2224 static int decode_attr_files_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
2230 if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_FREE - 1U)))
2232 if (likely(bitmap[0] & FATTR4_WORD0_FILES_FREE)) {
2235 bitmap[0] &= ~FATTR4_WORD0_FILES_FREE;
2237 dprintk("%s: files free=%Lu\n", __FUNCTION__, (unsigned long long)*res);
2241 static int decode_attr_files_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
2247 if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_TOTAL - 1U)))
2249 if (likely(bitmap[0] & FATTR4_WORD0_FILES_TOTAL)) {
2252 bitmap[0] &= ~FATTR4_WORD0_FILES_TOTAL;
2254 dprintk("%s: files total=%Lu\n", __FUNCTION__, (unsigned long long)*res);
2258 static int decode_attr_maxfilesize(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
2264 if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXFILESIZE - 1U)))
2266 if (likely(bitmap[0] & FATTR4_WORD0_MAXFILESIZE)) {
2269 bitmap[0] &= ~FATTR4_WORD0_MAXFILESIZE;
2271 dprintk("%s: maxfilesize=%Lu\n", __FUNCTION__, (unsigned long long)*res);
2275 static int decode_attr_maxlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxlink)
2281 if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXLINK - 1U)))
2283 if (likely(bitmap[0] & FATTR4_WORD0_MAXLINK)) {
2286 bitmap[0] &= ~FATTR4_WORD0_MAXLINK;
2288 dprintk("%s: maxlink=%u\n", __FUNCTION__, *maxlink);
2292 static int decode_attr_maxname(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxname)
2298 if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXNAME - 1U)))
2300 if (likely(bitmap[0] & FATTR4_WORD0_MAXNAME)) {
2303 bitmap[0] &= ~FATTR4_WORD0_MAXNAME;
2305 dprintk("%s: maxname=%u\n", __FUNCTION__, *maxname);
2309 static int decode_attr_maxread(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res)
2315 if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXREAD - 1U)))
2317 if (likely(bitmap[0] & FATTR4_WORD0_MAXREAD)) {
2321 if (maxread > 0x7FFFFFFF)
2322 maxread = 0x7FFFFFFF;
2323 *res = (uint32_t)maxread;
2324 bitmap[0] &= ~FATTR4_WORD0_MAXREAD;
2326 dprintk("%s: maxread=%lu\n", __FUNCTION__, (unsigned long)*res);
2330 static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res)
2336 if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXWRITE - 1U)))
2338 if (likely(bitmap[0] & FATTR4_WORD0_MAXWRITE)) {
2342 if (maxwrite > 0x7FFFFFFF)
2343 maxwrite = 0x7FFFFFFF;
2344 *res = (uint32_t)maxwrite;
2345 bitmap[0] &= ~FATTR4_WORD0_MAXWRITE;
2347 dprintk("%s: maxwrite=%lu\n", __FUNCTION__, (unsigned long)*res);
2351 static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *mode)
2356 if (unlikely(bitmap[1] & (FATTR4_WORD1_MODE - 1U)))
2358 if (likely(bitmap[1] & FATTR4_WORD1_MODE)) {
2362 bitmap[1] &= ~FATTR4_WORD1_MODE;
2364 dprintk("%s: file mode=0%o\n", __FUNCTION__, (unsigned int)*mode);
2368 static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *nlink)
2373 if (unlikely(bitmap[1] & (FATTR4_WORD1_NUMLINKS - 1U)))
2375 if (likely(bitmap[1] & FATTR4_WORD1_NUMLINKS)) {
2378 bitmap[1] &= ~FATTR4_WORD1_NUMLINKS;
2380 dprintk("%s: nlink=%u\n", __FUNCTION__, (unsigned int)*nlink);
2384 static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_client *clp, int32_t *uid)
2389 if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER - 1U)))
2391 if (likely(bitmap[1] & FATTR4_WORD1_OWNER)) {
2395 if (len < XDR_MAX_NETOBJ) {
2396 if (nfs_map_name_to_uid(clp, (char *)p, len, uid) != 0)
2397 dprintk("%s: nfs_map_name_to_uid failed!\n",
2400 printk(KERN_WARNING "%s: name too long (%u)!\n",
2402 bitmap[1] &= ~FATTR4_WORD1_OWNER;
2404 dprintk("%s: uid=%d\n", __FUNCTION__, (int)*uid);
2408 static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_client *clp, int32_t *gid)
2413 if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER_GROUP - 1U)))
2415 if (likely(bitmap[1] & FATTR4_WORD1_OWNER_GROUP)) {
2419 if (len < XDR_MAX_NETOBJ) {
2420 if (nfs_map_group_to_gid(clp, (char *)p, len, gid) != 0)
2421 dprintk("%s: nfs_map_group_to_gid failed!\n",
2424 printk(KERN_WARNING "%s: name too long (%u)!\n",
2426 bitmap[1] &= ~FATTR4_WORD1_OWNER_GROUP;
2428 dprintk("%s: gid=%d\n", __FUNCTION__, (int)*gid);
2432 static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rdev)
2434 uint32_t major = 0, minor = 0, *p;
2437 if (unlikely(bitmap[1] & (FATTR4_WORD1_RAWDEV - 1U)))
2439 if (likely(bitmap[1] & FATTR4_WORD1_RAWDEV)) {
2445 tmp = MKDEV(major, minor);
2446 if (MAJOR(tmp) == major && MINOR(tmp) == minor)
2448 bitmap[1] &= ~ FATTR4_WORD1_RAWDEV;
2450 dprintk("%s: rdev=(0x%x:0x%x)\n", __FUNCTION__, major, minor);
2454 static int decode_attr_space_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
2460 if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_AVAIL - 1U)))
2462 if (likely(bitmap[1] & FATTR4_WORD1_SPACE_AVAIL)) {
2465 bitmap[1] &= ~FATTR4_WORD1_SPACE_AVAIL;
2467 dprintk("%s: space avail=%Lu\n", __FUNCTION__, (unsigned long long)*res);
2471 static int decode_attr_space_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
2477 if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_FREE - 1U)))
2479 if (likely(bitmap[1] & FATTR4_WORD1_SPACE_FREE)) {
2482 bitmap[1] &= ~FATTR4_WORD1_SPACE_FREE;
2484 dprintk("%s: space free=%Lu\n", __FUNCTION__, (unsigned long long)*res);
2488 static int decode_attr_space_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
2494 if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_TOTAL - 1U)))
2496 if (likely(bitmap[1] & FATTR4_WORD1_SPACE_TOTAL)) {
2499 bitmap[1] &= ~FATTR4_WORD1_SPACE_TOTAL;
2501 dprintk("%s: space total=%Lu\n", __FUNCTION__, (unsigned long long)*res);
2505 static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *used)
2510 if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_USED - 1U)))
2512 if (likely(bitmap[1] & FATTR4_WORD1_SPACE_USED)) {
2515 bitmap[1] &= ~FATTR4_WORD1_SPACE_USED;
2517 dprintk("%s: space used=%Lu\n", __FUNCTION__,
2518 (unsigned long long)*used);
2522 static int decode_attr_time(struct xdr_stream *xdr, struct timespec *time)
2531 time->tv_sec = (time_t)sec;
2532 time->tv_nsec = (long)nsec;
2536 static int decode_attr_time_access(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time)
2542 if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_ACCESS - 1U)))
2544 if (likely(bitmap[1] & FATTR4_WORD1_TIME_ACCESS)) {
2545 status = decode_attr_time(xdr, time);
2546 bitmap[1] &= ~FATTR4_WORD1_TIME_ACCESS;
2548 dprintk("%s: atime=%ld\n", __FUNCTION__, (long)time->tv_sec);
2552 static int decode_attr_time_metadata(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time)
2558 if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_METADATA - 1U)))
2560 if (likely(bitmap[1] & FATTR4_WORD1_TIME_METADATA)) {
2561 status = decode_attr_time(xdr, time);
2562 bitmap[1] &= ~FATTR4_WORD1_TIME_METADATA;
2564 dprintk("%s: ctime=%ld\n", __FUNCTION__, (long)time->tv_sec);
2568 static int decode_attr_time_modify(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time)
2574 if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_MODIFY - 1U)))
2576 if (likely(bitmap[1] & FATTR4_WORD1_TIME_MODIFY)) {
2577 status = decode_attr_time(xdr, time);
2578 bitmap[1] &= ~FATTR4_WORD1_TIME_MODIFY;
2580 dprintk("%s: mtime=%ld\n", __FUNCTION__, (long)time->tv_sec);
2584 static int verify_attr_len(struct xdr_stream *xdr, uint32_t *savep, uint32_t attrlen)
2586 unsigned int attrwords = XDR_QUADLEN(attrlen);
2587 unsigned int nwords = xdr->p - savep;
2589 if (unlikely(attrwords != nwords)) {
2590 printk(KERN_WARNING "%s: server returned incorrect attribute length: %u %c %u\n",
2593 (attrwords < nwords) ? '<' : '>',
2600 static int decode_change_info(struct xdr_stream *xdr, struct nfs4_change_info *cinfo)
2605 READ32(cinfo->atomic);
2606 READ64(cinfo->before);
2607 READ64(cinfo->after);
2611 static int decode_access(struct xdr_stream *xdr, struct nfs4_accessres *access)
2617 status = decode_op_hdr(xdr, OP_ACCESS);
2623 access->supported = supp;
2624 access->access = acc;
2628 static int decode_close(struct xdr_stream *xdr, struct nfs_closeres *res)
2633 status = decode_op_hdr(xdr, OP_CLOSE);
2636 READ_BUF(sizeof(res->stateid.data));
2637 COPYMEM(res->stateid.data, sizeof(res->stateid.data));
2641 static int decode_commit(struct xdr_stream *xdr, struct nfs_writeres *res)
2646 status = decode_op_hdr(xdr, OP_COMMIT);
2650 COPYMEM(res->verf->verifier, 8);
2654 static int decode_create(struct xdr_stream *xdr, struct nfs4_change_info *cinfo)
2660 status = decode_op_hdr(xdr, OP_CREATE);
2663 if ((status = decode_change_info(xdr, cinfo)))
2667 READ_BUF(bmlen << 2);
2671 static int decode_server_caps(struct xdr_stream *xdr, struct nfs4_server_caps_res *res)
2678 if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0)
2680 if ((status = decode_attr_bitmap(xdr, bitmap)) != 0)
2682 if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0)
2684 if ((status = decode_attr_supported(xdr, bitmap, res->attr_bitmask)) != 0)
2686 if ((status = decode_attr_link_support(xdr, bitmap, &res->has_links)) != 0)
2688 if ((status = decode_attr_symlink_support(xdr, bitmap, &res->has_symlinks)) != 0)
2690 if ((status = decode_attr_aclsupport(xdr, bitmap, &res->acl_bitmask)) != 0)
2692 status = verify_attr_len(xdr, savep, attrlen);
2695 printk(KERN_NOTICE "%s: xdr error %d!\n", __FUNCTION__, -status);
2699 static int decode_statfs(struct xdr_stream *xdr, struct nfs_fsstat *fsstat)
2706 if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0)
2708 if ((status = decode_attr_bitmap(xdr, bitmap)) != 0)
2710 if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0)
2713 if ((status = decode_attr_files_avail(xdr, bitmap, &fsstat->afiles)) != 0)
2715 if ((status = decode_attr_files_free(xdr, bitmap, &fsstat->ffiles)) != 0)
2717 if ((status = decode_attr_files_total(xdr, bitmap, &fsstat->tfiles)) != 0)
2719 if ((status = decode_attr_space_avail(xdr, bitmap, &fsstat->abytes)) != 0)
2721 if ((status = decode_attr_space_free(xdr, bitmap, &fsstat->fbytes)) != 0)
2723 if ((status = decode_attr_space_total(xdr, bitmap, &fsstat->tbytes)) != 0)
2726 status = verify_attr_len(xdr, savep, attrlen);
2729 printk(KERN_NOTICE "%s: xdr error %d!\n", __FUNCTION__, -status);
2733 static int decode_pathconf(struct xdr_stream *xdr, struct nfs_pathconf *pathconf)
2740 if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0)
2742 if ((status = decode_attr_bitmap(xdr, bitmap)) != 0)
2744 if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0)
2747 if ((status = decode_attr_maxlink(xdr, bitmap, &pathconf->max_link)) != 0)
2749 if ((status = decode_attr_maxname(xdr, bitmap, &pathconf->max_namelen)) != 0)
2752 status = verify_attr_len(xdr, savep, attrlen);
2755 printk(KERN_NOTICE "%s: xdr error %d!\n", __FUNCTION__, -status);
2759 static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr, const struct nfs_server *server)
2765 int status, fmode = 0;
2767 if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0)
2769 if ((status = decode_attr_bitmap(xdr, bitmap)) != 0)
2772 fattr->bitmap[0] = bitmap[0];
2773 fattr->bitmap[1] = bitmap[1];
2775 if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0)
2779 if ((status = decode_attr_type(xdr, bitmap, &type)) != 0)
2781 fattr->type = nfs_type2fmt[type].nfs2type;
2782 fmode = nfs_type2fmt[type].mode;
2784 if ((status = decode_attr_change(xdr, bitmap, &fattr->change_attr)) != 0)
2786 if ((status = decode_attr_size(xdr, bitmap, &fattr->size)) != 0)
2788 if ((status = decode_attr_fsid(xdr, bitmap, &fattr->fsid_u.nfs4)) != 0)
2790 if ((status = decode_attr_fileid(xdr, bitmap, &fattr->fileid)) != 0)
2792 if ((status = decode_attr_mode(xdr, bitmap, &fattr->mode)) != 0)
2794 fattr->mode |= fmode;
2795 if ((status = decode_attr_nlink(xdr, bitmap, &fattr->nlink)) != 0)
2797 if ((status = decode_attr_owner(xdr, bitmap, server->nfs4_state, &fattr->uid)) != 0)
2799 if ((status = decode_attr_group(xdr, bitmap, server->nfs4_state, &fattr->gid)) != 0)
2801 if ((status = decode_attr_rdev(xdr, bitmap, &fattr->rdev)) != 0)
2803 if ((status = decode_attr_space_used(xdr, bitmap, &fattr->du.nfs3.used)) != 0)
2805 if ((status = decode_attr_time_access(xdr, bitmap, &fattr->atime)) != 0)
2807 if ((status = decode_attr_time_metadata(xdr, bitmap, &fattr->ctime)) != 0)
2809 if ((status = decode_attr_time_modify(xdr, bitmap, &fattr->mtime)) != 0)
2811 if ((status = verify_attr_len(xdr, savep, attrlen)) == 0) {
2812 fattr->valid = NFS_ATTR_FATTR | NFS_ATTR_FATTR_V3 | NFS_ATTR_FATTR_V4;
2813 fattr->timestamp = jiffies;
2817 printk(KERN_NOTICE "%s: xdr error %d!\n", __FUNCTION__, -status);
2822 static int decode_fsinfo(struct xdr_stream *xdr, struct nfs_fsinfo *fsinfo)
2825 uint32_t attrlen, bitmap[2];
2828 if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0)
2830 if ((status = decode_attr_bitmap(xdr, bitmap)) != 0)
2832 if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0)
2835 fsinfo->rtmult = fsinfo->wtmult = 512; /* ??? */
2837 if ((status = decode_attr_lease_time(xdr, bitmap, &fsinfo->lease_time)) != 0)
2839 if ((status = decode_attr_maxfilesize(xdr, bitmap, &fsinfo->maxfilesize)) != 0)
2841 if ((status = decode_attr_maxread(xdr, bitmap, &fsinfo->rtmax)) != 0)
2843 fsinfo->rtpref = fsinfo->dtpref = fsinfo->rtmax;
2844 if ((status = decode_attr_maxwrite(xdr, bitmap, &fsinfo->wtmax)) != 0)
2846 fsinfo->wtpref = fsinfo->wtmax;
2848 status = verify_attr_len(xdr, savep, attrlen);
2851 printk(KERN_NOTICE "%s: xdr error %d!\n", __FUNCTION__, -status);
2855 static int decode_getfh(struct xdr_stream *xdr, struct nfs_fh *fh)
2861 status = decode_op_hdr(xdr, OP_GETFH);
2864 /* Zero handle first to allow comparisons */
2865 memset(fh, 0, sizeof(*fh));
2869 if (len > NFS4_FHSIZE)
2873 COPYMEM(fh->data, len);
2877 static int decode_link(struct xdr_stream *xdr, struct nfs4_change_info *cinfo)
2881 status = decode_op_hdr(xdr, OP_LINK);
2884 return decode_change_info(xdr, cinfo);
2888 * We create the owner, so we know a proper owner.id length is 4.
2890 static int decode_lock_denied (struct xdr_stream *xdr, struct nfs_lock_denied *denied)
2896 READ64(denied->offset);
2897 READ64(denied->length);
2898 READ32(denied->type);
2899 READ64(denied->owner.clientid);
2903 READ32(denied->owner.id);
2904 return -NFS4ERR_DENIED;
2907 static int decode_lock(struct xdr_stream *xdr, struct nfs_lockres *res)
2912 status = decode_op_hdr(xdr, OP_LOCK);
2914 READ_BUF(sizeof(nfs4_stateid));
2915 COPYMEM(&res->u.stateid, sizeof(res->u.stateid));
2916 } else if (status == -NFS4ERR_DENIED)
2917 return decode_lock_denied(xdr, &res->u.denied);
2921 static int decode_lockt(struct xdr_stream *xdr, struct nfs_lockres *res)
2924 status = decode_op_hdr(xdr, OP_LOCKT);
2925 if (status == -NFS4ERR_DENIED)
2926 return decode_lock_denied(xdr, &res->u.denied);
2930 static int decode_locku(struct xdr_stream *xdr, struct nfs_lockres *res)
2935 status = decode_op_hdr(xdr, OP_LOCKU);
2937 READ_BUF(sizeof(nfs4_stateid));
2938 COPYMEM(&res->u.stateid, sizeof(res->u.stateid));
2943 static int decode_lookup(struct xdr_stream *xdr)
2945 return decode_op_hdr(xdr, OP_LOOKUP);
2948 /* This is too sick! */
2949 static int decode_space_limit(struct xdr_stream *xdr, u64 *maxsize)
2952 uint32_t limit_type, nblocks, blocksize;
2956 switch (limit_type) {
2963 *maxsize = (uint64_t)nblocks * (uint64_t)blocksize;
2968 static int decode_delegation(struct xdr_stream *xdr, struct nfs_openres *res)
2971 uint32_t delegation_type;
2974 READ32(delegation_type);
2975 if (delegation_type == NFS4_OPEN_DELEGATE_NONE) {
2976 res->delegation_type = 0;
2980 COPYMEM(res->delegation.data, sizeof(res->delegation.data));
2981 READ32(res->do_recall);
2982 switch (delegation_type) {
2983 case NFS4_OPEN_DELEGATE_READ:
2984 res->delegation_type = FMODE_READ;
2986 case NFS4_OPEN_DELEGATE_WRITE:
2987 res->delegation_type = FMODE_WRITE|FMODE_READ;
2988 if (decode_space_limit(xdr, &res->maxsize) < 0)
2991 return decode_ace(xdr, NULL, res->server->nfs4_state);
2994 static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res)
3000 status = decode_op_hdr(xdr, OP_OPEN);
3003 READ_BUF(sizeof(res->stateid.data));
3004 COPYMEM(res->stateid.data, sizeof(res->stateid.data));
3006 decode_change_info(xdr, &res->cinfo);
3009 READ32(res->rflags);
3014 READ_BUF(bmlen << 2);
3016 return decode_delegation(xdr, res);
3018 printk(KERN_NOTICE "%s: xdr error!\n", __FUNCTION__);
3022 static int decode_open_confirm(struct xdr_stream *xdr, struct nfs_open_confirmres *res)
3027 status = decode_op_hdr(xdr, OP_OPEN_CONFIRM);
3030 READ_BUF(sizeof(res->stateid.data));
3031 COPYMEM(res->stateid.data, sizeof(res->stateid.data));
3035 static int decode_open_downgrade(struct xdr_stream *xdr, struct nfs_closeres *res)
3040 status = decode_op_hdr(xdr, OP_OPEN_DOWNGRADE);
3043 READ_BUF(sizeof(res->stateid.data));
3044 COPYMEM(res->stateid.data, sizeof(res->stateid.data));
3048 static int decode_putfh(struct xdr_stream *xdr)
3050 return decode_op_hdr(xdr, OP_PUTFH);
3053 static int decode_putrootfh(struct xdr_stream *xdr)
3055 return decode_op_hdr(xdr, OP_PUTROOTFH);
3058 static int decode_read(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs_readres *res)
3060 struct kvec *iov = req->rq_rcv_buf.head;
3062 uint32_t count, eof, recvd, hdrlen;
3065 status = decode_op_hdr(xdr, OP_READ);
3071 hdrlen = (u8 *) p - (u8 *) iov->iov_base;
3072 recvd = req->rq_rcv_buf.len - hdrlen;
3073 if (count > recvd) {
3074 printk(KERN_WARNING "NFS: server cheating in read reply: "
3075 "count %u > recvd %u\n", count, recvd);
3079 xdr_read_pages(xdr, count);
3085 static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs4_readdir_res *readdir)
3087 struct xdr_buf *rcvbuf = &req->rq_rcv_buf;
3088 struct page *page = *rcvbuf->pages;
3089 struct kvec *iov = rcvbuf->head;
3090 unsigned int nr, pglen = rcvbuf->page_len;
3091 uint32_t *end, *entry, *p, *kaddr;
3092 uint32_t len, attrlen;
3093 int hdrlen, recvd, status;
3095 status = decode_op_hdr(xdr, OP_READDIR);
3099 COPYMEM(readdir->verifier.data, 8);
3100 dprintk("%s: verifier = 0x%x%x\n",
3102 ((u32 *)readdir->verifier.data)[0],
3103 ((u32 *)readdir->verifier.data)[1]);
3106 hdrlen = (char *) p - (char *) iov->iov_base;
3107 recvd = rcvbuf->len - hdrlen;
3110 xdr_read_pages(xdr, pglen);
3112 BUG_ON(pglen + readdir->pgbase > PAGE_CACHE_SIZE);
3113 kaddr = p = (uint32_t *) kmap_atomic(page, KM_USER0);
3114 end = (uint32_t *) ((char *)p + pglen + readdir->pgbase);
3116 for (nr = 0; *p++; nr++) {
3119 dprintk("cookie = %Lu, ", *((unsigned long long *)p));
3120 p += 2; /* cookie */
3121 len = ntohl(*p++); /* filename length */
3122 if (len > NFS4_MAXNAMLEN) {
3123 printk(KERN_WARNING "NFS: giant filename in readdir (len 0x%x)\n", len);
3126 dprintk("filename = %*s\n", len, (char *)p);
3127 p += XDR_QUADLEN(len);
3130 len = ntohl(*p++); /* bitmap length */
3134 attrlen = XDR_QUADLEN(ntohl(*p++));
3135 p += attrlen; /* attributes */
3140 if (!nr && (entry[0] != 0 || entry[1] == 0))
3143 kunmap_atomic(kaddr, KM_USER0);
3146 dprintk("%s: short packet at entry %d\n", __FUNCTION__, nr);
3147 entry[0] = entry[1] = 0;
3148 /* truncate listing ? */
3150 printk(KERN_NOTICE "NFS: readdir reply truncated!\n");
3155 kunmap_atomic(kaddr, KM_USER0);
3156 return -errno_NFSERR_IO;
3159 static int decode_readlink(struct xdr_stream *xdr, struct rpc_rqst *req)
3161 struct xdr_buf *rcvbuf = &req->rq_rcv_buf;
3162 struct kvec *iov = rcvbuf->head;
3163 int hdrlen, len, recvd;
3168 status = decode_op_hdr(xdr, OP_READLINK);
3172 /* Convert length of symlink */
3175 if (len >= rcvbuf->page_len || len <= 0) {
3176 dprintk(KERN_WARNING "nfs: server returned giant symlink!\n");
3177 return -ENAMETOOLONG;
3179 hdrlen = (char *) xdr->p - (char *) iov->iov_base;
3180 recvd = req->rq_rcv_buf.len - hdrlen;
3182 printk(KERN_WARNING "NFS: server cheating in readlink reply: "
3183 "count %u > recvd %u\n", len, recvd);
3186 xdr_read_pages(xdr, len);
3188 * The XDR encode routine has set things up so that
3189 * the link text will be copied directly into the
3190 * buffer. We just have to do overflow-checking,
3191 * and and null-terminate the text (the VFS expects
3192 * null-termination).
3194 kaddr = (char *)kmap_atomic(rcvbuf->pages[0], KM_USER0);
3195 kaddr[len+rcvbuf->page_base] = '\0';
3196 kunmap_atomic(kaddr, KM_USER0);
3200 static int decode_remove(struct xdr_stream *xdr, struct nfs4_change_info *cinfo)
3204 status = decode_op_hdr(xdr, OP_REMOVE);
3207 status = decode_change_info(xdr, cinfo);
3212 static int decode_rename(struct xdr_stream *xdr, struct nfs4_change_info *old_cinfo,
3213 struct nfs4_change_info *new_cinfo)
3217 status = decode_op_hdr(xdr, OP_RENAME);
3220 if ((status = decode_change_info(xdr, old_cinfo)))
3222 status = decode_change_info(xdr, new_cinfo);
3227 static int decode_renew(struct xdr_stream *xdr)
3229 return decode_op_hdr(xdr, OP_RENEW);
3232 static int decode_getacl(struct xdr_stream *xdr, struct rpc_rqst *req,
3238 struct kvec *iov = req->rq_rcv_buf.head;
3242 if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0)
3244 if ((status = decode_attr_bitmap(xdr, bitmap)) != 0)
3246 if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0)
3249 if (unlikely(bitmap[0] & (FATTR4_WORD0_ACL - 1U)))
3251 if (likely(bitmap[0] & FATTR4_WORD0_ACL)) {
3254 /* We ignore &savep and don't do consistency checks on
3255 * the attr length. Let userspace figure it out.... */
3256 hdrlen = (u8 *)xdr->p - (u8 *)iov->iov_base;
3257 recvd = req->rq_rcv_buf.len - hdrlen;
3258 if (attrlen > recvd) {
3259 printk(KERN_WARNING "NFS: server cheating in getattr"
3260 " acl reply: attrlen %u > recvd %u\n",
3264 if (attrlen <= *acl_len)
3265 xdr_read_pages(xdr, attrlen);
3274 decode_savefh(struct xdr_stream *xdr)
3276 return decode_op_hdr(xdr, OP_SAVEFH);
3279 static int decode_setattr(struct xdr_stream *xdr, struct nfs_setattrres *res)
3286 status = decode_op_hdr(xdr, OP_SETATTR);
3291 READ_BUF(bmlen << 2);
3295 static int decode_setclientid(struct xdr_stream *xdr, struct nfs4_client *clp)
3303 if (opnum != OP_SETCLIENTID) {
3305 "nfs4_decode_setclientid: Server returned operation"
3310 if (nfserr == NFS_OK) {
3311 READ_BUF(8 + sizeof(clp->cl_confirm.data));
3312 READ64(clp->cl_clientid);
3313 COPYMEM(clp->cl_confirm.data, sizeof(clp->cl_confirm.data));
3314 } else if (nfserr == NFSERR_CLID_INUSE) {
3317 /* skip netid string */
3322 /* skip uaddr string */
3326 return -NFSERR_CLID_INUSE;
3328 return -nfs_stat_to_errno(nfserr);
3333 static int decode_setclientid_confirm(struct xdr_stream *xdr)
3335 return decode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM);
3338 static int decode_write(struct xdr_stream *xdr, struct nfs_writeres *res)
3343 status = decode_op_hdr(xdr, OP_WRITE);
3349 READ32(res->verf->committed);
3350 COPYMEM(res->verf->verifier, 8);
3354 static int decode_delegreturn(struct xdr_stream *xdr)
3356 return decode_op_hdr(xdr, OP_DELEGRETURN);
3360 * Decode OPEN_DOWNGRADE response
3362 static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_closeres *res)
3364 struct xdr_stream xdr;
3365 struct compound_hdr hdr;
3368 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3369 status = decode_compound_hdr(&xdr, &hdr);
3372 status = decode_putfh(&xdr);
3375 status = decode_open_downgrade(&xdr, res);
3381 * END OF "GENERIC" DECODE ROUTINES.
3385 * Decode ACCESS response
3387 static int nfs4_xdr_dec_access(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_accessres *res)
3389 struct xdr_stream xdr;
3390 struct compound_hdr hdr;
3393 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3394 if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
3396 if ((status = decode_putfh(&xdr)) == 0)
3397 status = decode_access(&xdr, res);
3403 * Decode LOOKUP response
3405 static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_lookup_res *res)
3407 struct xdr_stream xdr;
3408 struct compound_hdr hdr;
3411 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3412 if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
3414 if ((status = decode_putfh(&xdr)) != 0)
3416 if ((status = decode_lookup(&xdr)) != 0)
3418 if ((status = decode_getfh(&xdr, res->fh)) != 0)
3420 status = decode_getfattr(&xdr, res->fattr, res->server);
3426 * Decode LOOKUP_ROOT response
3428 static int nfs4_xdr_dec_lookup_root(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_lookup_res *res)
3430 struct xdr_stream xdr;
3431 struct compound_hdr hdr;
3434 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3435 if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
3437 if ((status = decode_putrootfh(&xdr)) != 0)
3439 if ((status = decode_getfh(&xdr, res->fh)) == 0)
3440 status = decode_getfattr(&xdr, res->fattr, res->server);
3446 * Decode REMOVE response
3448 static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_change_info *cinfo)
3450 struct xdr_stream xdr;
3451 struct compound_hdr hdr;
3454 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3455 if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
3457 if ((status = decode_putfh(&xdr)) == 0)
3458 status = decode_remove(&xdr, cinfo);
3464 * Decode RENAME response
3466 static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_rename_res *res)
3468 struct xdr_stream xdr;
3469 struct compound_hdr hdr;
3472 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3473 if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
3475 if ((status = decode_putfh(&xdr)) != 0)
3477 if ((status = decode_savefh(&xdr)) != 0)
3479 if ((status = decode_putfh(&xdr)) != 0)
3481 status = decode_rename(&xdr, &res->old_cinfo, &res->new_cinfo);
3487 * Decode LINK response
3489 static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_change_info *cinfo)
3491 struct xdr_stream xdr;
3492 struct compound_hdr hdr;
3495 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3496 if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
3498 if ((status = decode_putfh(&xdr)) != 0)
3500 if ((status = decode_savefh(&xdr)) != 0)
3502 if ((status = decode_putfh(&xdr)) != 0)
3504 status = decode_link(&xdr, cinfo);
3510 * Decode CREATE response
3512 static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_create_res *res)
3514 struct xdr_stream xdr;
3515 struct compound_hdr hdr;
3518 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3519 if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
3521 if ((status = decode_putfh(&xdr)) != 0)
3523 if ((status = decode_create(&xdr,&res->dir_cinfo)) != 0)
3525 if ((status = decode_getfh(&xdr, res->fh)) != 0)
3527 status = decode_getfattr(&xdr, res->fattr, res->server);
3528 if (status == NFS4ERR_DELAY)
3535 * Decode SYMLINK response
3537 static int nfs4_xdr_dec_symlink(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_create_res *res)
3539 return nfs4_xdr_dec_create(rqstp, p, res);
3543 * Decode GETATTR response
3545 static int nfs4_xdr_dec_getattr(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_getattr_res *res)
3547 struct xdr_stream xdr;
3548 struct compound_hdr hdr;
3551 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3552 status = decode_compound_hdr(&xdr, &hdr);
3555 status = decode_putfh(&xdr);
3558 status = decode_getfattr(&xdr, res->fattr, res->server);
3565 * Encode an SETACL request
3568 nfs4_xdr_enc_setacl(struct rpc_rqst *req, uint32_t *p, struct nfs_setaclargs *args)
3570 struct xdr_stream xdr;
3571 struct compound_hdr hdr = {
3576 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
3577 encode_compound_hdr(&xdr, &hdr);
3578 status = encode_putfh(&xdr, args->fh);
3581 status = encode_setacl(&xdr, args);
3586 * Decode SETACL response
3589 nfs4_xdr_dec_setacl(struct rpc_rqst *rqstp, uint32_t *p, void *res)
3591 struct xdr_stream xdr;
3592 struct compound_hdr hdr;
3595 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3596 status = decode_compound_hdr(&xdr, &hdr);
3599 status = decode_putfh(&xdr);
3602 status = decode_setattr(&xdr, res);
3608 * Decode GETACL response
3611 nfs4_xdr_dec_getacl(struct rpc_rqst *rqstp, uint32_t *p, size_t *acl_len)
3613 struct xdr_stream xdr;
3614 struct compound_hdr hdr;
3617 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3618 status = decode_compound_hdr(&xdr, &hdr);
3621 status = decode_putfh(&xdr);
3624 status = decode_getacl(&xdr, rqstp, acl_len);
3631 * Decode CLOSE response
3633 static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_closeres *res)
3635 struct xdr_stream xdr;
3636 struct compound_hdr hdr;
3639 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3640 status = decode_compound_hdr(&xdr, &hdr);
3643 status = decode_putfh(&xdr);
3646 status = decode_close(&xdr, res);
3652 * Decode OPEN response
3654 static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_openres *res)
3656 struct xdr_stream xdr;
3657 struct compound_hdr hdr;
3660 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3661 status = decode_compound_hdr(&xdr, &hdr);
3664 status = decode_putfh(&xdr);
3667 status = decode_open(&xdr, res);
3670 status = decode_getfh(&xdr, &res->fh);
3673 status = decode_getfattr(&xdr, res->f_attr, res->server);
3674 if (status == NFS4ERR_DELAY)
3681 * Decode OPEN_CONFIRM response
3683 static int nfs4_xdr_dec_open_confirm(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_open_confirmres *res)
3685 struct xdr_stream xdr;
3686 struct compound_hdr hdr;
3689 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3690 status = decode_compound_hdr(&xdr, &hdr);
3693 status = decode_putfh(&xdr);
3696 status = decode_open_confirm(&xdr, res);
3702 * Decode OPEN response
3704 static int nfs4_xdr_dec_open_noattr(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_openres *res)
3706 struct xdr_stream xdr;
3707 struct compound_hdr hdr;
3710 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3711 status = decode_compound_hdr(&xdr, &hdr);
3714 status = decode_putfh(&xdr);
3717 status = decode_open(&xdr, res);
3723 * Decode SETATTR response
3725 static int nfs4_xdr_dec_setattr(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_setattrres *res)
3727 struct xdr_stream xdr;
3728 struct compound_hdr hdr;
3731 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3732 status = decode_compound_hdr(&xdr, &hdr);
3735 status = decode_putfh(&xdr);
3738 status = decode_setattr(&xdr, res);
3741 status = decode_getfattr(&xdr, res->fattr, res->server);
3742 if (status == NFS4ERR_DELAY)
3749 * Decode LOCK response
3751 static int nfs4_xdr_dec_lock(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_lockres *res)
3753 struct xdr_stream xdr;
3754 struct compound_hdr hdr;
3757 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3758 status = decode_compound_hdr(&xdr, &hdr);
3761 status = decode_putfh(&xdr);
3764 status = decode_lock(&xdr, res);
3770 * Decode LOCKT response
3772 static int nfs4_xdr_dec_lockt(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_lockres *res)
3774 struct xdr_stream xdr;
3775 struct compound_hdr hdr;
3778 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3779 status = decode_compound_hdr(&xdr, &hdr);
3782 status = decode_putfh(&xdr);
3785 status = decode_lockt(&xdr, res);
3791 * Decode LOCKU response
3793 static int nfs4_xdr_dec_locku(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_lockres *res)
3795 struct xdr_stream xdr;
3796 struct compound_hdr hdr;
3799 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3800 status = decode_compound_hdr(&xdr, &hdr);
3803 status = decode_putfh(&xdr);
3806 status = decode_locku(&xdr, res);
3812 * Decode READLINK response
3814 static int nfs4_xdr_dec_readlink(struct rpc_rqst *rqstp, uint32_t *p, void *res)
3816 struct xdr_stream xdr;
3817 struct compound_hdr hdr;
3820 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3821 status = decode_compound_hdr(&xdr, &hdr);
3824 status = decode_putfh(&xdr);
3827 status = decode_readlink(&xdr, rqstp);
3833 * Decode READDIR response
3835 static int nfs4_xdr_dec_readdir(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_readdir_res *res)
3837 struct xdr_stream xdr;
3838 struct compound_hdr hdr;
3841 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3842 status = decode_compound_hdr(&xdr, &hdr);
3845 status = decode_putfh(&xdr);
3848 status = decode_readdir(&xdr, rqstp, res);
3854 * Decode Read response
3856 static int nfs4_xdr_dec_read(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_readres *res)
3858 struct xdr_stream xdr;
3859 struct compound_hdr hdr;
3862 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3863 status = decode_compound_hdr(&xdr, &hdr);
3866 status = decode_putfh(&xdr);
3869 status = decode_read(&xdr, rqstp, res);
3871 status = res->count;
3877 * Decode WRITE response
3879 static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_writeres *res)
3881 struct xdr_stream xdr;
3882 struct compound_hdr hdr;
3885 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3886 status = decode_compound_hdr(&xdr, &hdr);
3889 status = decode_putfh(&xdr);
3892 status = decode_write(&xdr, res);
3894 status = res->count;
3900 * Decode COMMIT response
3902 static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_writeres *res)
3904 struct xdr_stream xdr;
3905 struct compound_hdr hdr;
3908 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3909 status = decode_compound_hdr(&xdr, &hdr);
3912 status = decode_putfh(&xdr);
3915 status = decode_commit(&xdr, res);
3923 static int nfs4_xdr_dec_fsinfo(struct rpc_rqst *req, uint32_t *p, struct nfs_fsinfo *fsinfo)
3925 struct xdr_stream xdr;
3926 struct compound_hdr hdr;
3929 xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
3930 status = decode_compound_hdr(&xdr, &hdr);
3932 status = decode_putfh(&xdr);
3934 status = decode_fsinfo(&xdr, fsinfo);
3936 status = -nfs_stat_to_errno(hdr.status);
3943 static int nfs4_xdr_dec_pathconf(struct rpc_rqst *req, uint32_t *p, struct nfs_pathconf *pathconf)
3945 struct xdr_stream xdr;
3946 struct compound_hdr hdr;
3949 xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
3950 status = decode_compound_hdr(&xdr, &hdr);
3952 status = decode_putfh(&xdr);
3954 status = decode_pathconf(&xdr, pathconf);
3961 static int nfs4_xdr_dec_statfs(struct rpc_rqst *req, uint32_t *p, struct nfs_fsstat *fsstat)
3963 struct xdr_stream xdr;
3964 struct compound_hdr hdr;
3967 xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
3968 status = decode_compound_hdr(&xdr, &hdr);
3970 status = decode_putfh(&xdr);
3972 status = decode_statfs(&xdr, fsstat);
3977 * GETATTR_BITMAP request
3979 static int nfs4_xdr_dec_server_caps(struct rpc_rqst *req, uint32_t *p, struct nfs4_server_caps_res *res)
3981 struct xdr_stream xdr;
3982 struct compound_hdr hdr;
3985 xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
3986 if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
3988 if ((status = decode_putfh(&xdr)) != 0)
3990 status = decode_server_caps(&xdr, res);
3996 * Decode RENEW response
3998 static int nfs4_xdr_dec_renew(struct rpc_rqst *rqstp, uint32_t *p, void *dummy)
4000 struct xdr_stream xdr;
4001 struct compound_hdr hdr;
4004 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
4005 status = decode_compound_hdr(&xdr, &hdr);
4007 status = decode_renew(&xdr);
4012 * a SETCLIENTID request
4014 static int nfs4_xdr_dec_setclientid(struct rpc_rqst *req, uint32_t *p,
4015 struct nfs4_client *clp)
4017 struct xdr_stream xdr;
4018 struct compound_hdr hdr;
4021 xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
4022 status = decode_compound_hdr(&xdr, &hdr);
4024 status = decode_setclientid(&xdr, clp);
4026 status = -nfs_stat_to_errno(hdr.status);
4031 * a SETCLIENTID_CONFIRM request
4033 static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst *req, uint32_t *p, struct nfs_fsinfo *fsinfo)
4035 struct xdr_stream xdr;
4036 struct compound_hdr hdr;
4039 xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
4040 status = decode_compound_hdr(&xdr, &hdr);
4042 status = decode_setclientid_confirm(&xdr);
4044 status = decode_putrootfh(&xdr);
4046 status = decode_fsinfo(&xdr, fsinfo);
4048 status = -nfs_stat_to_errno(hdr.status);
4053 * DELEGRETURN request
4055 static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, uint32_t *p, void *dummy)
4057 struct xdr_stream xdr;
4058 struct compound_hdr hdr;
4061 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
4062 status = decode_compound_hdr(&xdr, &hdr);
4064 status = decode_putfh(&xdr);
4066 status = decode_delegreturn(&xdr);
4071 uint32_t *nfs4_decode_dirent(uint32_t *p, struct nfs_entry *entry, int plus)
4073 uint32_t bitmap[2] = {0};
4078 return ERR_PTR(-EAGAIN);
4080 return ERR_PTR(-EBADCOOKIE);
4083 entry->prev_cookie = entry->cookie;
4084 p = xdr_decode_hyper(p, &entry->cookie);
4085 entry->len = ntohl(*p++);
4086 entry->name = (const char *) p;
4087 p += XDR_QUADLEN(entry->len);
4090 * In case the server doesn't return an inode number,
4091 * we fake one here. (We don't use inode number 0,
4092 * since glibc seems to choke on it...)
4096 len = ntohl(*p++); /* bitmap length */
4098 bitmap[0] = ntohl(*p++);
4100 bitmap[1] = ntohl(*p++);
4104 len = XDR_QUADLEN(ntohl(*p++)); /* attribute buffer length */
4106 if (bitmap[0] & FATTR4_WORD0_RDATTR_ERROR) {
4107 bitmap[0] &= ~FATTR4_WORD0_RDATTR_ERROR;
4108 /* Ignore the return value of rdattr_error for now */
4112 if (bitmap[0] == 0 && bitmap[1] == FATTR4_WORD1_MOUNTED_ON_FILEID)
4113 xdr_decode_hyper(p, &entry->ino);
4114 else if (bitmap[0] == FATTR4_WORD0_FILEID)
4115 xdr_decode_hyper(p, &entry->ino);
4119 entry->eof = !p[0] && p[1];
4124 * We need to translate between nfs status return values and
4125 * the local errno values which may not be the same.
4132 { NFS4ERR_PERM, EPERM },
4133 { NFS4ERR_NOENT, ENOENT },
4134 { NFS4ERR_IO, errno_NFSERR_IO },
4135 { NFS4ERR_NXIO, ENXIO },
4136 { NFS4ERR_ACCESS, EACCES },
4137 { NFS4ERR_EXIST, EEXIST },
4138 { NFS4ERR_XDEV, EXDEV },
4139 { NFS4ERR_NOTDIR, ENOTDIR },
4140 { NFS4ERR_ISDIR, EISDIR },
4141 { NFS4ERR_INVAL, EINVAL },
4142 { NFS4ERR_FBIG, EFBIG },
4143 { NFS4ERR_NOSPC, ENOSPC },
4144 { NFS4ERR_ROFS, EROFS },
4145 { NFS4ERR_MLINK, EMLINK },
4146 { NFS4ERR_NAMETOOLONG, ENAMETOOLONG },
4147 { NFS4ERR_NOTEMPTY, ENOTEMPTY },
4148 { NFS4ERR_DQUOT, EDQUOT },
4149 { NFS4ERR_STALE, ESTALE },
4150 { NFS4ERR_BADHANDLE, EBADHANDLE },
4151 { NFS4ERR_BADOWNER, EINVAL },
4152 { NFS4ERR_BADNAME, EINVAL },
4153 { NFS4ERR_BAD_COOKIE, EBADCOOKIE },
4154 { NFS4ERR_NOTSUPP, ENOTSUPP },
4155 { NFS4ERR_TOOSMALL, ETOOSMALL },
4156 { NFS4ERR_SERVERFAULT, ESERVERFAULT },
4157 { NFS4ERR_BADTYPE, EBADTYPE },
4158 { NFS4ERR_LOCKED, EAGAIN },
4159 { NFS4ERR_RESOURCE, EREMOTEIO },
4160 { NFS4ERR_SYMLINK, ELOOP },
4161 { NFS4ERR_OP_ILLEGAL, EOPNOTSUPP },
4162 { NFS4ERR_DEADLOCK, EDEADLK },
4163 { NFS4ERR_WRONGSEC, EPERM }, /* FIXME: this needs
4164 * to be handled by a
4171 * Convert an NFS error code to a local one.
4172 * This one is used jointly by NFSv2 and NFSv3.
4175 nfs_stat_to_errno(int stat)
4178 for (i = 0; nfs_errtbl[i].stat != -1; i++) {
4179 if (nfs_errtbl[i].stat == stat)
4180 return nfs_errtbl[i].errno;
4182 if (stat <= 10000 || stat > 10100) {
4183 /* The server is looney tunes. */
4184 return ESERVERFAULT;
4186 /* If we cannot translate the error, the recovery routines should
4188 * Note: remaining NFSv4 error codes have values > 10000, so should
4189 * not conflict with native Linux error codes.
4195 # define MAX(a, b) (((a) > (b))? (a) : (b))
4198 #define PROC(proc, argtype, restype) \
4199 [NFSPROC4_CLNT_##proc] = { \
4200 .p_proc = NFSPROC4_COMPOUND, \
4201 .p_encode = (kxdrproc_t) nfs4_xdr_##argtype, \
4202 .p_decode = (kxdrproc_t) nfs4_xdr_##restype, \
4203 .p_bufsiz = MAX(NFS4_##argtype##_sz,NFS4_##restype##_sz) << 2, \
4206 struct rpc_procinfo nfs4_procedures[] = {
4207 PROC(READ, enc_read, dec_read),
4208 PROC(WRITE, enc_write, dec_write),
4209 PROC(COMMIT, enc_commit, dec_commit),
4210 PROC(OPEN, enc_open, dec_open),
4211 PROC(OPEN_CONFIRM, enc_open_confirm, dec_open_confirm),
4212 PROC(OPEN_NOATTR, enc_open_noattr, dec_open_noattr),
4213 PROC(OPEN_DOWNGRADE, enc_open_downgrade, dec_open_downgrade),
4214 PROC(CLOSE, enc_close, dec_close),
4215 PROC(SETATTR, enc_setattr, dec_setattr),
4216 PROC(FSINFO, enc_fsinfo, dec_fsinfo),
4217 PROC(RENEW, enc_renew, dec_renew),
4218 PROC(SETCLIENTID, enc_setclientid, dec_setclientid),
4219 PROC(SETCLIENTID_CONFIRM, enc_setclientid_confirm, dec_setclientid_confirm),
4220 PROC(LOCK, enc_lock, dec_lock),
4221 PROC(LOCKT, enc_lockt, dec_lockt),
4222 PROC(LOCKU, enc_locku, dec_locku),
4223 PROC(ACCESS, enc_access, dec_access),
4224 PROC(GETATTR, enc_getattr, dec_getattr),
4225 PROC(LOOKUP, enc_lookup, dec_lookup),
4226 PROC(LOOKUP_ROOT, enc_lookup_root, dec_lookup_root),
4227 PROC(REMOVE, enc_remove, dec_remove),
4228 PROC(RENAME, enc_rename, dec_rename),
4229 PROC(LINK, enc_link, dec_link),
4230 PROC(SYMLINK, enc_symlink, dec_symlink),
4231 PROC(CREATE, enc_create, dec_create),
4232 PROC(PATHCONF, enc_pathconf, dec_pathconf),
4233 PROC(STATFS, enc_statfs, dec_statfs),
4234 PROC(READLINK, enc_readlink, dec_readlink),
4235 PROC(READDIR, enc_readdir, dec_readdir),
4236 PROC(SERVER_CAPS, enc_server_caps, dec_server_caps),
4237 PROC(DELEGRETURN, enc_delegreturn, dec_delegreturn),
4238 PROC(GETACL, enc_getacl, dec_getacl),
4239 PROC(SETACL, enc_setacl, dec_setacl),
4242 struct rpc_version nfs_version4 = {
4244 .nrprocs = sizeof(nfs4_procedures)/sizeof(nfs4_procedures[0]),
4245 .procs = nfs4_procedures