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->data, sizeof(opargs->stateid->data));
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 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1591 encode_compound_hdr(&xdr, &hdr);
1592 status = encode_putfh(&xdr, args->fh);
1595 status = encode_locku(&xdr, args);
1601 * Encode a READLINK request
1603 static int nfs4_xdr_enc_readlink(struct rpc_rqst *req, uint32_t *p, const struct nfs4_readlink *args)
1605 struct xdr_stream xdr;
1606 struct compound_hdr hdr = {
1611 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1612 encode_compound_hdr(&xdr, &hdr);
1613 status = encode_putfh(&xdr, args->fh);
1616 status = encode_readlink(&xdr, args, req);
1622 * Encode a READDIR request
1624 static int nfs4_xdr_enc_readdir(struct rpc_rqst *req, uint32_t *p, const struct nfs4_readdir_arg *args)
1626 struct xdr_stream xdr;
1627 struct compound_hdr hdr = {
1632 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1633 encode_compound_hdr(&xdr, &hdr);
1634 status = encode_putfh(&xdr, args->fh);
1637 status = encode_readdir(&xdr, args, req);
1643 * Encode a READ request
1645 static int nfs4_xdr_enc_read(struct rpc_rqst *req, uint32_t *p, struct nfs_readargs *args)
1647 struct rpc_auth *auth = req->rq_task->tk_auth;
1648 struct xdr_stream xdr;
1649 struct compound_hdr hdr = {
1654 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1655 encode_compound_hdr(&xdr, &hdr);
1656 status = encode_putfh(&xdr, args->fh);
1659 status = encode_read(&xdr, args);
1663 /* set up reply kvec
1664 * toplevel status + taglen=0 + rescount + OP_PUTFH + status
1665 * + OP_READ + status + eof + datalen = 9
1667 replen = (RPC_REPHDRSIZE + auth->au_rslack + NFS4_dec_read_sz) << 2;
1668 xdr_inline_pages(&req->rq_rcv_buf, replen,
1669 args->pages, args->pgbase, args->count);
1675 * Encode an SETATTR request
1677 static int nfs4_xdr_enc_setattr(struct rpc_rqst *req, uint32_t *p, struct nfs_setattrargs *args)
1680 struct xdr_stream xdr;
1681 struct compound_hdr hdr = {
1686 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1687 encode_compound_hdr(&xdr, &hdr);
1688 status = encode_putfh(&xdr, args->fh);
1691 status = encode_setattr(&xdr, args, args->server);
1694 status = encode_getfattr(&xdr, args->bitmask);
1700 * Encode a GETACL request
1703 nfs4_xdr_enc_getacl(struct rpc_rqst *req, uint32_t *p,
1704 struct nfs_getaclargs *args)
1706 struct xdr_stream xdr;
1707 struct rpc_auth *auth = req->rq_task->tk_auth;
1708 struct compound_hdr hdr = {
1713 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1714 encode_compound_hdr(&xdr, &hdr);
1715 status = encode_putfh(&xdr, args->fh);
1718 status = encode_getattr_two(&xdr, FATTR4_WORD0_ACL, 0);
1719 /* set up reply buffer: */
1720 replen = (RPC_REPHDRSIZE + auth->au_rslack + NFS4_dec_getacl_sz) << 2;
1721 xdr_inline_pages(&req->rq_rcv_buf, replen,
1722 args->acl_pages, args->acl_pgbase, args->acl_len);
1728 * Encode a WRITE request
1730 static int nfs4_xdr_enc_write(struct rpc_rqst *req, uint32_t *p, struct nfs_writeargs *args)
1732 struct xdr_stream xdr;
1733 struct compound_hdr hdr = {
1738 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1739 encode_compound_hdr(&xdr, &hdr);
1740 status = encode_putfh(&xdr, args->fh);
1743 status = encode_write(&xdr, args);
1751 static int nfs4_xdr_enc_commit(struct rpc_rqst *req, uint32_t *p, struct nfs_writeargs *args)
1753 struct xdr_stream xdr;
1754 struct compound_hdr hdr = {
1759 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1760 encode_compound_hdr(&xdr, &hdr);
1761 status = encode_putfh(&xdr, args->fh);
1764 status = encode_commit(&xdr, args);
1772 static int nfs4_xdr_enc_fsinfo(struct rpc_rqst *req, uint32_t *p, struct nfs4_fsinfo_arg *args)
1774 struct xdr_stream xdr;
1775 struct compound_hdr hdr = {
1780 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1781 encode_compound_hdr(&xdr, &hdr);
1782 status = encode_putfh(&xdr, args->fh);
1784 status = encode_fsinfo(&xdr, args->bitmask);
1789 * a PATHCONF request
1791 static int nfs4_xdr_enc_pathconf(struct rpc_rqst *req, uint32_t *p, const struct nfs4_pathconf_arg *args)
1793 struct xdr_stream xdr;
1794 struct compound_hdr hdr = {
1799 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1800 encode_compound_hdr(&xdr, &hdr);
1801 status = encode_putfh(&xdr, args->fh);
1803 status = encode_getattr_one(&xdr,
1804 args->bitmask[0] & nfs4_pathconf_bitmap[0]);
1811 static int nfs4_xdr_enc_statfs(struct rpc_rqst *req, uint32_t *p, const struct nfs4_statfs_arg *args)
1813 struct xdr_stream xdr;
1814 struct compound_hdr hdr = {
1819 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1820 encode_compound_hdr(&xdr, &hdr);
1821 status = encode_putfh(&xdr, args->fh);
1823 status = encode_getattr_two(&xdr,
1824 args->bitmask[0] & nfs4_statfs_bitmap[0],
1825 args->bitmask[1] & nfs4_statfs_bitmap[1]);
1830 * GETATTR_BITMAP request
1832 static int nfs4_xdr_enc_server_caps(struct rpc_rqst *req, uint32_t *p, const struct nfs_fh *fhandle)
1834 struct xdr_stream xdr;
1835 struct compound_hdr hdr = {
1840 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1841 encode_compound_hdr(&xdr, &hdr);
1842 status = encode_putfh(&xdr, fhandle);
1844 status = encode_getattr_one(&xdr, FATTR4_WORD0_SUPPORTED_ATTRS|
1845 FATTR4_WORD0_LINK_SUPPORT|
1846 FATTR4_WORD0_SYMLINK_SUPPORT|
1847 FATTR4_WORD0_ACLSUPPORT);
1854 static int nfs4_xdr_enc_renew(struct rpc_rqst *req, uint32_t *p, struct nfs4_client *clp)
1856 struct xdr_stream xdr;
1857 struct compound_hdr hdr = {
1861 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1862 encode_compound_hdr(&xdr, &hdr);
1863 return encode_renew(&xdr, clp);
1867 * a SETCLIENTID request
1869 static int nfs4_xdr_enc_setclientid(struct rpc_rqst *req, uint32_t *p, struct nfs4_setclientid *sc)
1871 struct xdr_stream xdr;
1872 struct compound_hdr hdr = {
1876 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1877 encode_compound_hdr(&xdr, &hdr);
1878 return encode_setclientid(&xdr, sc);
1882 * a SETCLIENTID_CONFIRM request
1884 static int nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, uint32_t *p, struct nfs4_client *clp)
1886 struct xdr_stream xdr;
1887 struct compound_hdr hdr = {
1890 const u32 lease_bitmap[2] = { FATTR4_WORD0_LEASE_TIME, 0 };
1893 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1894 encode_compound_hdr(&xdr, &hdr);
1895 status = encode_setclientid_confirm(&xdr, clp);
1897 status = encode_putrootfh(&xdr);
1899 status = encode_fsinfo(&xdr, lease_bitmap);
1904 * DELEGRETURN request
1906 static int nfs4_xdr_enc_delegreturn(struct rpc_rqst *req, uint32_t *p, const struct nfs4_delegreturnargs *args)
1908 struct xdr_stream xdr;
1909 struct compound_hdr hdr = {
1914 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1915 encode_compound_hdr(&xdr, &hdr);
1916 if ((status = encode_putfh(&xdr, args->fhandle)) == 0)
1917 status = encode_delegreturn(&xdr, args->stateid);
1922 * START OF "GENERIC" DECODE ROUTINES.
1923 * These may look a little ugly since they are imported from a "generic"
1924 * set of XDR encode/decode routines which are intended to be shared by
1925 * all of our NFSv4 implementations (OpenBSD, MacOS X...).
1927 * If the pain of reading these is too great, it should be a straightforward
1928 * task to translate them into Linux-specific versions which are more
1929 * consistent with the style used in NFSv2/v3...
1931 #define READ32(x) (x) = ntohl(*p++)
1932 #define READ64(x) do { \
1933 (x) = (u64)ntohl(*p++) << 32; \
1934 (x) |= ntohl(*p++); \
1936 #define READTIME(x) do { \
1938 (x.tv_sec) = ntohl(*p++); \
1939 (x.tv_nsec) = ntohl(*p++); \
1941 #define COPYMEM(x,nbytes) do { \
1942 memcpy((x), p, nbytes); \
1943 p += XDR_QUADLEN(nbytes); \
1946 #define READ_BUF(nbytes) do { \
1947 p = xdr_inline_decode(xdr, nbytes); \
1949 printk(KERN_WARNING "%s: reply buffer overflowed in line %d.", \
1950 __FUNCTION__, __LINE__); \
1955 static int decode_opaque_inline(struct xdr_stream *xdr, uint32_t *len, char **string)
1962 *string = (char *)p;
1966 static int decode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr)
1971 READ32(hdr->status);
1972 READ32(hdr->taglen);
1974 READ_BUF(hdr->taglen + 4);
1975 hdr->tag = (char *)p;
1976 p += XDR_QUADLEN(hdr->taglen);
1981 static int decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected)
1989 if (opnum != expected) {
1991 "nfs4_decode_op_hdr: Server returned operation"
1992 " %d but we issued a request for %d\n",
1997 if (nfserr != NFS_OK)
1998 return -nfs_stat_to_errno(nfserr);
2003 static int decode_ace(struct xdr_stream *xdr, void *ace, struct nfs4_client *clp)
2010 return decode_opaque_inline(xdr, &strlen, &str);
2013 static int decode_attr_bitmap(struct xdr_stream *xdr, uint32_t *bitmap)
2020 bitmap[0] = bitmap[1] = 0;
2021 READ_BUF((bmlen << 2));
2030 static inline int decode_attr_length(struct xdr_stream *xdr, uint32_t *attrlen, uint32_t **savep)
2040 static int decode_attr_supported(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *bitmask)
2042 if (likely(bitmap[0] & FATTR4_WORD0_SUPPORTED_ATTRS)) {
2043 decode_attr_bitmap(xdr, bitmask);
2044 bitmap[0] &= ~FATTR4_WORD0_SUPPORTED_ATTRS;
2046 bitmask[0] = bitmask[1] = 0;
2047 dprintk("%s: bitmask=0x%x%x\n", __FUNCTION__, bitmask[0], bitmask[1]);
2051 static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *type)
2056 if (unlikely(bitmap[0] & (FATTR4_WORD0_TYPE - 1U)))
2058 if (likely(bitmap[0] & FATTR4_WORD0_TYPE)) {
2061 if (*type < NF4REG || *type > NF4NAMEDATTR) {
2062 dprintk("%s: bad type %d\n", __FUNCTION__, *type);
2065 bitmap[0] &= ~FATTR4_WORD0_TYPE;
2067 dprintk("%s: type=0%o\n", __FUNCTION__, nfs_type2fmt[*type].nfs2type);
2071 static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *change)
2076 if (unlikely(bitmap[0] & (FATTR4_WORD0_CHANGE - 1U)))
2078 if (likely(bitmap[0] & FATTR4_WORD0_CHANGE)) {
2081 bitmap[0] &= ~FATTR4_WORD0_CHANGE;
2083 dprintk("%s: change attribute=%Lu\n", __FUNCTION__,
2084 (unsigned long long)*change);
2088 static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *size)
2093 if (unlikely(bitmap[0] & (FATTR4_WORD0_SIZE - 1U)))
2095 if (likely(bitmap[0] & FATTR4_WORD0_SIZE)) {
2098 bitmap[0] &= ~FATTR4_WORD0_SIZE;
2100 dprintk("%s: file size=%Lu\n", __FUNCTION__, (unsigned long long)*size);
2104 static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res)
2109 if (unlikely(bitmap[0] & (FATTR4_WORD0_LINK_SUPPORT - 1U)))
2111 if (likely(bitmap[0] & FATTR4_WORD0_LINK_SUPPORT)) {
2114 bitmap[0] &= ~FATTR4_WORD0_LINK_SUPPORT;
2116 dprintk("%s: link support=%s\n", __FUNCTION__, *res == 0 ? "false" : "true");
2120 static int decode_attr_symlink_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res)
2125 if (unlikely(bitmap[0] & (FATTR4_WORD0_SYMLINK_SUPPORT - 1U)))
2127 if (likely(bitmap[0] & FATTR4_WORD0_SYMLINK_SUPPORT)) {
2130 bitmap[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT;
2132 dprintk("%s: symlink support=%s\n", __FUNCTION__, *res == 0 ? "false" : "true");
2136 static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_fsid *fsid)
2142 if (unlikely(bitmap[0] & (FATTR4_WORD0_FSID - 1U)))
2144 if (likely(bitmap[0] & FATTR4_WORD0_FSID)) {
2146 READ64(fsid->major);
2147 READ64(fsid->minor);
2148 bitmap[0] &= ~FATTR4_WORD0_FSID;
2150 dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __FUNCTION__,
2151 (unsigned long long)fsid->major,
2152 (unsigned long long)fsid->minor);
2156 static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res)
2161 if (unlikely(bitmap[0] & (FATTR4_WORD0_LEASE_TIME - 1U)))
2163 if (likely(bitmap[0] & FATTR4_WORD0_LEASE_TIME)) {
2166 bitmap[0] &= ~FATTR4_WORD0_LEASE_TIME;
2168 dprintk("%s: file size=%u\n", __FUNCTION__, (unsigned int)*res);
2172 static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res)
2176 *res = ACL4_SUPPORT_ALLOW_ACL|ACL4_SUPPORT_DENY_ACL;
2177 if (unlikely(bitmap[0] & (FATTR4_WORD0_ACLSUPPORT - 1U)))
2179 if (likely(bitmap[0] & FATTR4_WORD0_ACLSUPPORT)) {
2182 bitmap[0] &= ~FATTR4_WORD0_ACLSUPPORT;
2184 dprintk("%s: ACLs supported=%u\n", __FUNCTION__, (unsigned int)*res);
2188 static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid)
2193 if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEID - 1U)))
2195 if (likely(bitmap[0] & FATTR4_WORD0_FILEID)) {
2198 bitmap[0] &= ~FATTR4_WORD0_FILEID;
2200 dprintk("%s: fileid=%Lu\n", __FUNCTION__, (unsigned long long)*fileid);
2204 static int decode_attr_files_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
2210 if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_AVAIL - 1U)))
2212 if (likely(bitmap[0] & FATTR4_WORD0_FILES_AVAIL)) {
2215 bitmap[0] &= ~FATTR4_WORD0_FILES_AVAIL;
2217 dprintk("%s: files avail=%Lu\n", __FUNCTION__, (unsigned long long)*res);
2221 static int decode_attr_files_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
2227 if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_FREE - 1U)))
2229 if (likely(bitmap[0] & FATTR4_WORD0_FILES_FREE)) {
2232 bitmap[0] &= ~FATTR4_WORD0_FILES_FREE;
2234 dprintk("%s: files free=%Lu\n", __FUNCTION__, (unsigned long long)*res);
2238 static int decode_attr_files_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
2244 if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_TOTAL - 1U)))
2246 if (likely(bitmap[0] & FATTR4_WORD0_FILES_TOTAL)) {
2249 bitmap[0] &= ~FATTR4_WORD0_FILES_TOTAL;
2251 dprintk("%s: files total=%Lu\n", __FUNCTION__, (unsigned long long)*res);
2255 static int decode_attr_maxfilesize(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
2261 if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXFILESIZE - 1U)))
2263 if (likely(bitmap[0] & FATTR4_WORD0_MAXFILESIZE)) {
2266 bitmap[0] &= ~FATTR4_WORD0_MAXFILESIZE;
2268 dprintk("%s: maxfilesize=%Lu\n", __FUNCTION__, (unsigned long long)*res);
2272 static int decode_attr_maxlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxlink)
2278 if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXLINK - 1U)))
2280 if (likely(bitmap[0] & FATTR4_WORD0_MAXLINK)) {
2283 bitmap[0] &= ~FATTR4_WORD0_MAXLINK;
2285 dprintk("%s: maxlink=%u\n", __FUNCTION__, *maxlink);
2289 static int decode_attr_maxname(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxname)
2295 if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXNAME - 1U)))
2297 if (likely(bitmap[0] & FATTR4_WORD0_MAXNAME)) {
2300 bitmap[0] &= ~FATTR4_WORD0_MAXNAME;
2302 dprintk("%s: maxname=%u\n", __FUNCTION__, *maxname);
2306 static int decode_attr_maxread(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res)
2312 if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXREAD - 1U)))
2314 if (likely(bitmap[0] & FATTR4_WORD0_MAXREAD)) {
2318 if (maxread > 0x7FFFFFFF)
2319 maxread = 0x7FFFFFFF;
2320 *res = (uint32_t)maxread;
2321 bitmap[0] &= ~FATTR4_WORD0_MAXREAD;
2323 dprintk("%s: maxread=%lu\n", __FUNCTION__, (unsigned long)*res);
2327 static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res)
2333 if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXWRITE - 1U)))
2335 if (likely(bitmap[0] & FATTR4_WORD0_MAXWRITE)) {
2339 if (maxwrite > 0x7FFFFFFF)
2340 maxwrite = 0x7FFFFFFF;
2341 *res = (uint32_t)maxwrite;
2342 bitmap[0] &= ~FATTR4_WORD0_MAXWRITE;
2344 dprintk("%s: maxwrite=%lu\n", __FUNCTION__, (unsigned long)*res);
2348 static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *mode)
2353 if (unlikely(bitmap[1] & (FATTR4_WORD1_MODE - 1U)))
2355 if (likely(bitmap[1] & FATTR4_WORD1_MODE)) {
2359 bitmap[1] &= ~FATTR4_WORD1_MODE;
2361 dprintk("%s: file mode=0%o\n", __FUNCTION__, (unsigned int)*mode);
2365 static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *nlink)
2370 if (unlikely(bitmap[1] & (FATTR4_WORD1_NUMLINKS - 1U)))
2372 if (likely(bitmap[1] & FATTR4_WORD1_NUMLINKS)) {
2375 bitmap[1] &= ~FATTR4_WORD1_NUMLINKS;
2377 dprintk("%s: nlink=%u\n", __FUNCTION__, (unsigned int)*nlink);
2381 static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_client *clp, int32_t *uid)
2386 if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER - 1U)))
2388 if (likely(bitmap[1] & FATTR4_WORD1_OWNER)) {
2392 if (len < XDR_MAX_NETOBJ) {
2393 if (nfs_map_name_to_uid(clp, (char *)p, len, uid) != 0)
2394 dprintk("%s: nfs_map_name_to_uid failed!\n",
2397 printk(KERN_WARNING "%s: name too long (%u)!\n",
2399 bitmap[1] &= ~FATTR4_WORD1_OWNER;
2401 dprintk("%s: uid=%d\n", __FUNCTION__, (int)*uid);
2405 static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_client *clp, int32_t *gid)
2410 if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER_GROUP - 1U)))
2412 if (likely(bitmap[1] & FATTR4_WORD1_OWNER_GROUP)) {
2416 if (len < XDR_MAX_NETOBJ) {
2417 if (nfs_map_group_to_gid(clp, (char *)p, len, gid) != 0)
2418 dprintk("%s: nfs_map_group_to_gid failed!\n",
2421 printk(KERN_WARNING "%s: name too long (%u)!\n",
2423 bitmap[1] &= ~FATTR4_WORD1_OWNER_GROUP;
2425 dprintk("%s: gid=%d\n", __FUNCTION__, (int)*gid);
2429 static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rdev)
2431 uint32_t major = 0, minor = 0, *p;
2434 if (unlikely(bitmap[1] & (FATTR4_WORD1_RAWDEV - 1U)))
2436 if (likely(bitmap[1] & FATTR4_WORD1_RAWDEV)) {
2442 tmp = MKDEV(major, minor);
2443 if (MAJOR(tmp) == major && MINOR(tmp) == minor)
2445 bitmap[1] &= ~ FATTR4_WORD1_RAWDEV;
2447 dprintk("%s: rdev=(0x%x:0x%x)\n", __FUNCTION__, major, minor);
2451 static int decode_attr_space_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
2457 if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_AVAIL - 1U)))
2459 if (likely(bitmap[1] & FATTR4_WORD1_SPACE_AVAIL)) {
2462 bitmap[1] &= ~FATTR4_WORD1_SPACE_AVAIL;
2464 dprintk("%s: space avail=%Lu\n", __FUNCTION__, (unsigned long long)*res);
2468 static int decode_attr_space_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
2474 if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_FREE - 1U)))
2476 if (likely(bitmap[1] & FATTR4_WORD1_SPACE_FREE)) {
2479 bitmap[1] &= ~FATTR4_WORD1_SPACE_FREE;
2481 dprintk("%s: space free=%Lu\n", __FUNCTION__, (unsigned long long)*res);
2485 static int decode_attr_space_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
2491 if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_TOTAL - 1U)))
2493 if (likely(bitmap[1] & FATTR4_WORD1_SPACE_TOTAL)) {
2496 bitmap[1] &= ~FATTR4_WORD1_SPACE_TOTAL;
2498 dprintk("%s: space total=%Lu\n", __FUNCTION__, (unsigned long long)*res);
2502 static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *used)
2507 if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_USED - 1U)))
2509 if (likely(bitmap[1] & FATTR4_WORD1_SPACE_USED)) {
2512 bitmap[1] &= ~FATTR4_WORD1_SPACE_USED;
2514 dprintk("%s: space used=%Lu\n", __FUNCTION__,
2515 (unsigned long long)*used);
2519 static int decode_attr_time(struct xdr_stream *xdr, struct timespec *time)
2528 time->tv_sec = (time_t)sec;
2529 time->tv_nsec = (long)nsec;
2533 static int decode_attr_time_access(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time)
2539 if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_ACCESS - 1U)))
2541 if (likely(bitmap[1] & FATTR4_WORD1_TIME_ACCESS)) {
2542 status = decode_attr_time(xdr, time);
2543 bitmap[1] &= ~FATTR4_WORD1_TIME_ACCESS;
2545 dprintk("%s: atime=%ld\n", __FUNCTION__, (long)time->tv_sec);
2549 static int decode_attr_time_metadata(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time)
2555 if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_METADATA - 1U)))
2557 if (likely(bitmap[1] & FATTR4_WORD1_TIME_METADATA)) {
2558 status = decode_attr_time(xdr, time);
2559 bitmap[1] &= ~FATTR4_WORD1_TIME_METADATA;
2561 dprintk("%s: ctime=%ld\n", __FUNCTION__, (long)time->tv_sec);
2565 static int decode_attr_time_modify(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time)
2571 if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_MODIFY - 1U)))
2573 if (likely(bitmap[1] & FATTR4_WORD1_TIME_MODIFY)) {
2574 status = decode_attr_time(xdr, time);
2575 bitmap[1] &= ~FATTR4_WORD1_TIME_MODIFY;
2577 dprintk("%s: mtime=%ld\n", __FUNCTION__, (long)time->tv_sec);
2581 static int verify_attr_len(struct xdr_stream *xdr, uint32_t *savep, uint32_t attrlen)
2583 unsigned int attrwords = XDR_QUADLEN(attrlen);
2584 unsigned int nwords = xdr->p - savep;
2586 if (unlikely(attrwords != nwords)) {
2587 printk(KERN_WARNING "%s: server returned incorrect attribute length: %u %c %u\n",
2590 (attrwords < nwords) ? '<' : '>',
2597 static int decode_change_info(struct xdr_stream *xdr, struct nfs4_change_info *cinfo)
2602 READ32(cinfo->atomic);
2603 READ64(cinfo->before);
2604 READ64(cinfo->after);
2608 static int decode_access(struct xdr_stream *xdr, struct nfs4_accessres *access)
2614 status = decode_op_hdr(xdr, OP_ACCESS);
2620 access->supported = supp;
2621 access->access = acc;
2625 static int decode_close(struct xdr_stream *xdr, struct nfs_closeres *res)
2630 status = decode_op_hdr(xdr, OP_CLOSE);
2633 READ_BUF(sizeof(res->stateid.data));
2634 COPYMEM(res->stateid.data, sizeof(res->stateid.data));
2638 static int decode_commit(struct xdr_stream *xdr, struct nfs_writeres *res)
2643 status = decode_op_hdr(xdr, OP_COMMIT);
2647 COPYMEM(res->verf->verifier, 8);
2651 static int decode_create(struct xdr_stream *xdr, struct nfs4_change_info *cinfo)
2657 status = decode_op_hdr(xdr, OP_CREATE);
2660 if ((status = decode_change_info(xdr, cinfo)))
2664 READ_BUF(bmlen << 2);
2668 static int decode_server_caps(struct xdr_stream *xdr, struct nfs4_server_caps_res *res)
2675 if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0)
2677 if ((status = decode_attr_bitmap(xdr, bitmap)) != 0)
2679 if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0)
2681 if ((status = decode_attr_supported(xdr, bitmap, res->attr_bitmask)) != 0)
2683 if ((status = decode_attr_link_support(xdr, bitmap, &res->has_links)) != 0)
2685 if ((status = decode_attr_symlink_support(xdr, bitmap, &res->has_symlinks)) != 0)
2687 if ((status = decode_attr_aclsupport(xdr, bitmap, &res->acl_bitmask)) != 0)
2689 status = verify_attr_len(xdr, savep, attrlen);
2692 printk(KERN_NOTICE "%s: xdr error %d!\n", __FUNCTION__, -status);
2696 static int decode_statfs(struct xdr_stream *xdr, struct nfs_fsstat *fsstat)
2703 if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0)
2705 if ((status = decode_attr_bitmap(xdr, bitmap)) != 0)
2707 if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0)
2710 if ((status = decode_attr_files_avail(xdr, bitmap, &fsstat->afiles)) != 0)
2712 if ((status = decode_attr_files_free(xdr, bitmap, &fsstat->ffiles)) != 0)
2714 if ((status = decode_attr_files_total(xdr, bitmap, &fsstat->tfiles)) != 0)
2716 if ((status = decode_attr_space_avail(xdr, bitmap, &fsstat->abytes)) != 0)
2718 if ((status = decode_attr_space_free(xdr, bitmap, &fsstat->fbytes)) != 0)
2720 if ((status = decode_attr_space_total(xdr, bitmap, &fsstat->tbytes)) != 0)
2723 status = verify_attr_len(xdr, savep, attrlen);
2726 printk(KERN_NOTICE "%s: xdr error %d!\n", __FUNCTION__, -status);
2730 static int decode_pathconf(struct xdr_stream *xdr, struct nfs_pathconf *pathconf)
2737 if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0)
2739 if ((status = decode_attr_bitmap(xdr, bitmap)) != 0)
2741 if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0)
2744 if ((status = decode_attr_maxlink(xdr, bitmap, &pathconf->max_link)) != 0)
2746 if ((status = decode_attr_maxname(xdr, bitmap, &pathconf->max_namelen)) != 0)
2749 status = verify_attr_len(xdr, savep, attrlen);
2752 printk(KERN_NOTICE "%s: xdr error %d!\n", __FUNCTION__, -status);
2756 static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr, const struct nfs_server *server)
2762 int status, fmode = 0;
2764 if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0)
2766 if ((status = decode_attr_bitmap(xdr, bitmap)) != 0)
2769 fattr->bitmap[0] = bitmap[0];
2770 fattr->bitmap[1] = bitmap[1];
2772 if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0)
2776 if ((status = decode_attr_type(xdr, bitmap, &type)) != 0)
2778 fattr->type = nfs_type2fmt[type].nfs2type;
2779 fmode = nfs_type2fmt[type].mode;
2781 if ((status = decode_attr_change(xdr, bitmap, &fattr->change_attr)) != 0)
2783 if ((status = decode_attr_size(xdr, bitmap, &fattr->size)) != 0)
2785 if ((status = decode_attr_fsid(xdr, bitmap, &fattr->fsid_u.nfs4)) != 0)
2787 if ((status = decode_attr_fileid(xdr, bitmap, &fattr->fileid)) != 0)
2789 if ((status = decode_attr_mode(xdr, bitmap, &fattr->mode)) != 0)
2791 fattr->mode |= fmode;
2792 if ((status = decode_attr_nlink(xdr, bitmap, &fattr->nlink)) != 0)
2794 if ((status = decode_attr_owner(xdr, bitmap, server->nfs4_state, &fattr->uid)) != 0)
2796 if ((status = decode_attr_group(xdr, bitmap, server->nfs4_state, &fattr->gid)) != 0)
2798 if ((status = decode_attr_rdev(xdr, bitmap, &fattr->rdev)) != 0)
2800 if ((status = decode_attr_space_used(xdr, bitmap, &fattr->du.nfs3.used)) != 0)
2802 if ((status = decode_attr_time_access(xdr, bitmap, &fattr->atime)) != 0)
2804 if ((status = decode_attr_time_metadata(xdr, bitmap, &fattr->ctime)) != 0)
2806 if ((status = decode_attr_time_modify(xdr, bitmap, &fattr->mtime)) != 0)
2808 if ((status = verify_attr_len(xdr, savep, attrlen)) == 0) {
2809 fattr->valid = NFS_ATTR_FATTR | NFS_ATTR_FATTR_V3 | NFS_ATTR_FATTR_V4;
2810 fattr->timestamp = jiffies;
2814 printk(KERN_NOTICE "%s: xdr error %d!\n", __FUNCTION__, -status);
2819 static int decode_fsinfo(struct xdr_stream *xdr, struct nfs_fsinfo *fsinfo)
2822 uint32_t attrlen, bitmap[2];
2825 if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0)
2827 if ((status = decode_attr_bitmap(xdr, bitmap)) != 0)
2829 if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0)
2832 fsinfo->rtmult = fsinfo->wtmult = 512; /* ??? */
2834 if ((status = decode_attr_lease_time(xdr, bitmap, &fsinfo->lease_time)) != 0)
2836 if ((status = decode_attr_maxfilesize(xdr, bitmap, &fsinfo->maxfilesize)) != 0)
2838 if ((status = decode_attr_maxread(xdr, bitmap, &fsinfo->rtmax)) != 0)
2840 fsinfo->rtpref = fsinfo->dtpref = fsinfo->rtmax;
2841 if ((status = decode_attr_maxwrite(xdr, bitmap, &fsinfo->wtmax)) != 0)
2843 fsinfo->wtpref = fsinfo->wtmax;
2845 status = verify_attr_len(xdr, savep, attrlen);
2848 printk(KERN_NOTICE "%s: xdr error %d!\n", __FUNCTION__, -status);
2852 static int decode_getfh(struct xdr_stream *xdr, struct nfs_fh *fh)
2858 status = decode_op_hdr(xdr, OP_GETFH);
2861 /* Zero handle first to allow comparisons */
2862 memset(fh, 0, sizeof(*fh));
2866 if (len > NFS4_FHSIZE)
2870 COPYMEM(fh->data, len);
2874 static int decode_link(struct xdr_stream *xdr, struct nfs4_change_info *cinfo)
2878 status = decode_op_hdr(xdr, OP_LINK);
2881 return decode_change_info(xdr, cinfo);
2885 * We create the owner, so we know a proper owner.id length is 4.
2887 static int decode_lock_denied (struct xdr_stream *xdr, struct nfs_lock_denied *denied)
2893 READ64(denied->offset);
2894 READ64(denied->length);
2895 READ32(denied->type);
2896 READ64(denied->owner.clientid);
2900 READ32(denied->owner.id);
2901 return -NFS4ERR_DENIED;
2904 static int decode_lock(struct xdr_stream *xdr, struct nfs_lockres *res)
2909 status = decode_op_hdr(xdr, OP_LOCK);
2911 READ_BUF(sizeof(nfs4_stateid));
2912 COPYMEM(&res->u.stateid, sizeof(res->u.stateid));
2913 } else if (status == -NFS4ERR_DENIED)
2914 return decode_lock_denied(xdr, &res->u.denied);
2918 static int decode_lockt(struct xdr_stream *xdr, struct nfs_lockres *res)
2921 status = decode_op_hdr(xdr, OP_LOCKT);
2922 if (status == -NFS4ERR_DENIED)
2923 return decode_lock_denied(xdr, &res->u.denied);
2927 static int decode_locku(struct xdr_stream *xdr, struct nfs_lockres *res)
2932 status = decode_op_hdr(xdr, OP_LOCKU);
2934 READ_BUF(sizeof(res->u.stateid.data));
2935 COPYMEM(res->u.stateid.data, sizeof(res->u.stateid.data));
2940 static int decode_lookup(struct xdr_stream *xdr)
2942 return decode_op_hdr(xdr, OP_LOOKUP);
2945 /* This is too sick! */
2946 static int decode_space_limit(struct xdr_stream *xdr, u64 *maxsize)
2949 uint32_t limit_type, nblocks, blocksize;
2953 switch (limit_type) {
2960 *maxsize = (uint64_t)nblocks * (uint64_t)blocksize;
2965 static int decode_delegation(struct xdr_stream *xdr, struct nfs_openres *res)
2968 uint32_t delegation_type;
2971 READ32(delegation_type);
2972 if (delegation_type == NFS4_OPEN_DELEGATE_NONE) {
2973 res->delegation_type = 0;
2977 COPYMEM(res->delegation.data, sizeof(res->delegation.data));
2978 READ32(res->do_recall);
2979 switch (delegation_type) {
2980 case NFS4_OPEN_DELEGATE_READ:
2981 res->delegation_type = FMODE_READ;
2983 case NFS4_OPEN_DELEGATE_WRITE:
2984 res->delegation_type = FMODE_WRITE|FMODE_READ;
2985 if (decode_space_limit(xdr, &res->maxsize) < 0)
2988 return decode_ace(xdr, NULL, res->server->nfs4_state);
2991 static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res)
2997 status = decode_op_hdr(xdr, OP_OPEN);
3000 READ_BUF(sizeof(res->stateid.data));
3001 COPYMEM(res->stateid.data, sizeof(res->stateid.data));
3003 decode_change_info(xdr, &res->cinfo);
3006 READ32(res->rflags);
3011 READ_BUF(bmlen << 2);
3013 return decode_delegation(xdr, res);
3015 printk(KERN_NOTICE "%s: xdr error!\n", __FUNCTION__);
3019 static int decode_open_confirm(struct xdr_stream *xdr, struct nfs_open_confirmres *res)
3024 status = decode_op_hdr(xdr, OP_OPEN_CONFIRM);
3027 READ_BUF(sizeof(res->stateid.data));
3028 COPYMEM(res->stateid.data, sizeof(res->stateid.data));
3032 static int decode_open_downgrade(struct xdr_stream *xdr, struct nfs_closeres *res)
3037 status = decode_op_hdr(xdr, OP_OPEN_DOWNGRADE);
3040 READ_BUF(sizeof(res->stateid.data));
3041 COPYMEM(res->stateid.data, sizeof(res->stateid.data));
3045 static int decode_putfh(struct xdr_stream *xdr)
3047 return decode_op_hdr(xdr, OP_PUTFH);
3050 static int decode_putrootfh(struct xdr_stream *xdr)
3052 return decode_op_hdr(xdr, OP_PUTROOTFH);
3055 static int decode_read(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs_readres *res)
3057 struct kvec *iov = req->rq_rcv_buf.head;
3059 uint32_t count, eof, recvd, hdrlen;
3062 status = decode_op_hdr(xdr, OP_READ);
3068 hdrlen = (u8 *) p - (u8 *) iov->iov_base;
3069 recvd = req->rq_rcv_buf.len - hdrlen;
3070 if (count > recvd) {
3071 printk(KERN_WARNING "NFS: server cheating in read reply: "
3072 "count %u > recvd %u\n", count, recvd);
3076 xdr_read_pages(xdr, count);
3082 static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs4_readdir_res *readdir)
3084 struct xdr_buf *rcvbuf = &req->rq_rcv_buf;
3085 struct page *page = *rcvbuf->pages;
3086 struct kvec *iov = rcvbuf->head;
3087 unsigned int nr, pglen = rcvbuf->page_len;
3088 uint32_t *end, *entry, *p, *kaddr;
3089 uint32_t len, attrlen;
3090 int hdrlen, recvd, status;
3092 status = decode_op_hdr(xdr, OP_READDIR);
3096 COPYMEM(readdir->verifier.data, 8);
3097 dprintk("%s: verifier = 0x%x%x\n",
3099 ((u32 *)readdir->verifier.data)[0],
3100 ((u32 *)readdir->verifier.data)[1]);
3103 hdrlen = (char *) p - (char *) iov->iov_base;
3104 recvd = rcvbuf->len - hdrlen;
3107 xdr_read_pages(xdr, pglen);
3109 BUG_ON(pglen + readdir->pgbase > PAGE_CACHE_SIZE);
3110 kaddr = p = (uint32_t *) kmap_atomic(page, KM_USER0);
3111 end = (uint32_t *) ((char *)p + pglen + readdir->pgbase);
3113 for (nr = 0; *p++; nr++) {
3116 dprintk("cookie = %Lu, ", *((unsigned long long *)p));
3117 p += 2; /* cookie */
3118 len = ntohl(*p++); /* filename length */
3119 if (len > NFS4_MAXNAMLEN) {
3120 printk(KERN_WARNING "NFS: giant filename in readdir (len 0x%x)\n", len);
3123 dprintk("filename = %*s\n", len, (char *)p);
3124 p += XDR_QUADLEN(len);
3127 len = ntohl(*p++); /* bitmap length */
3131 attrlen = XDR_QUADLEN(ntohl(*p++));
3132 p += attrlen; /* attributes */
3137 if (!nr && (entry[0] != 0 || entry[1] == 0))
3140 kunmap_atomic(kaddr, KM_USER0);
3143 dprintk("%s: short packet at entry %d\n", __FUNCTION__, nr);
3144 entry[0] = entry[1] = 0;
3145 /* truncate listing ? */
3147 printk(KERN_NOTICE "NFS: readdir reply truncated!\n");
3152 kunmap_atomic(kaddr, KM_USER0);
3153 return -errno_NFSERR_IO;
3156 static int decode_readlink(struct xdr_stream *xdr, struct rpc_rqst *req)
3158 struct xdr_buf *rcvbuf = &req->rq_rcv_buf;
3159 struct kvec *iov = rcvbuf->head;
3160 int hdrlen, len, recvd;
3165 status = decode_op_hdr(xdr, OP_READLINK);
3169 /* Convert length of symlink */
3172 if (len >= rcvbuf->page_len || len <= 0) {
3173 dprintk(KERN_WARNING "nfs: server returned giant symlink!\n");
3174 return -ENAMETOOLONG;
3176 hdrlen = (char *) xdr->p - (char *) iov->iov_base;
3177 recvd = req->rq_rcv_buf.len - hdrlen;
3179 printk(KERN_WARNING "NFS: server cheating in readlink reply: "
3180 "count %u > recvd %u\n", len, recvd);
3183 xdr_read_pages(xdr, len);
3185 * The XDR encode routine has set things up so that
3186 * the link text will be copied directly into the
3187 * buffer. We just have to do overflow-checking,
3188 * and and null-terminate the text (the VFS expects
3189 * null-termination).
3191 kaddr = (char *)kmap_atomic(rcvbuf->pages[0], KM_USER0);
3192 kaddr[len+rcvbuf->page_base] = '\0';
3193 kunmap_atomic(kaddr, KM_USER0);
3197 static int decode_remove(struct xdr_stream *xdr, struct nfs4_change_info *cinfo)
3201 status = decode_op_hdr(xdr, OP_REMOVE);
3204 status = decode_change_info(xdr, cinfo);
3209 static int decode_rename(struct xdr_stream *xdr, struct nfs4_change_info *old_cinfo,
3210 struct nfs4_change_info *new_cinfo)
3214 status = decode_op_hdr(xdr, OP_RENAME);
3217 if ((status = decode_change_info(xdr, old_cinfo)))
3219 status = decode_change_info(xdr, new_cinfo);
3224 static int decode_renew(struct xdr_stream *xdr)
3226 return decode_op_hdr(xdr, OP_RENEW);
3229 static int decode_getacl(struct xdr_stream *xdr, struct rpc_rqst *req,
3235 struct kvec *iov = req->rq_rcv_buf.head;
3239 if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0)
3241 if ((status = decode_attr_bitmap(xdr, bitmap)) != 0)
3243 if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0)
3246 if (unlikely(bitmap[0] & (FATTR4_WORD0_ACL - 1U)))
3248 if (likely(bitmap[0] & FATTR4_WORD0_ACL)) {
3251 /* We ignore &savep and don't do consistency checks on
3252 * the attr length. Let userspace figure it out.... */
3253 hdrlen = (u8 *)xdr->p - (u8 *)iov->iov_base;
3254 recvd = req->rq_rcv_buf.len - hdrlen;
3255 if (attrlen > recvd) {
3256 printk(KERN_WARNING "NFS: server cheating in getattr"
3257 " acl reply: attrlen %u > recvd %u\n",
3261 if (attrlen <= *acl_len)
3262 xdr_read_pages(xdr, attrlen);
3271 decode_savefh(struct xdr_stream *xdr)
3273 return decode_op_hdr(xdr, OP_SAVEFH);
3276 static int decode_setattr(struct xdr_stream *xdr, struct nfs_setattrres *res)
3283 status = decode_op_hdr(xdr, OP_SETATTR);
3288 READ_BUF(bmlen << 2);
3292 static int decode_setclientid(struct xdr_stream *xdr, struct nfs4_client *clp)
3300 if (opnum != OP_SETCLIENTID) {
3302 "nfs4_decode_setclientid: Server returned operation"
3307 if (nfserr == NFS_OK) {
3308 READ_BUF(8 + sizeof(clp->cl_confirm.data));
3309 READ64(clp->cl_clientid);
3310 COPYMEM(clp->cl_confirm.data, sizeof(clp->cl_confirm.data));
3311 } else if (nfserr == NFSERR_CLID_INUSE) {
3314 /* skip netid string */
3319 /* skip uaddr string */
3323 return -NFSERR_CLID_INUSE;
3325 return -nfs_stat_to_errno(nfserr);
3330 static int decode_setclientid_confirm(struct xdr_stream *xdr)
3332 return decode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM);
3335 static int decode_write(struct xdr_stream *xdr, struct nfs_writeres *res)
3340 status = decode_op_hdr(xdr, OP_WRITE);
3346 READ32(res->verf->committed);
3347 COPYMEM(res->verf->verifier, 8);
3351 static int decode_delegreturn(struct xdr_stream *xdr)
3353 return decode_op_hdr(xdr, OP_DELEGRETURN);
3357 * Decode OPEN_DOWNGRADE response
3359 static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_closeres *res)
3361 struct xdr_stream xdr;
3362 struct compound_hdr hdr;
3365 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3366 status = decode_compound_hdr(&xdr, &hdr);
3369 status = decode_putfh(&xdr);
3372 status = decode_open_downgrade(&xdr, res);
3378 * END OF "GENERIC" DECODE ROUTINES.
3382 * Decode ACCESS response
3384 static int nfs4_xdr_dec_access(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_accessres *res)
3386 struct xdr_stream xdr;
3387 struct compound_hdr hdr;
3390 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3391 if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
3393 if ((status = decode_putfh(&xdr)) == 0)
3394 status = decode_access(&xdr, res);
3400 * Decode LOOKUP response
3402 static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_lookup_res *res)
3404 struct xdr_stream xdr;
3405 struct compound_hdr hdr;
3408 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3409 if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
3411 if ((status = decode_putfh(&xdr)) != 0)
3413 if ((status = decode_lookup(&xdr)) != 0)
3415 if ((status = decode_getfh(&xdr, res->fh)) != 0)
3417 status = decode_getfattr(&xdr, res->fattr, res->server);
3423 * Decode LOOKUP_ROOT response
3425 static int nfs4_xdr_dec_lookup_root(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_lookup_res *res)
3427 struct xdr_stream xdr;
3428 struct compound_hdr hdr;
3431 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3432 if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
3434 if ((status = decode_putrootfh(&xdr)) != 0)
3436 if ((status = decode_getfh(&xdr, res->fh)) == 0)
3437 status = decode_getfattr(&xdr, res->fattr, res->server);
3443 * Decode REMOVE response
3445 static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_change_info *cinfo)
3447 struct xdr_stream xdr;
3448 struct compound_hdr hdr;
3451 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3452 if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
3454 if ((status = decode_putfh(&xdr)) == 0)
3455 status = decode_remove(&xdr, cinfo);
3461 * Decode RENAME response
3463 static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_rename_res *res)
3465 struct xdr_stream xdr;
3466 struct compound_hdr hdr;
3469 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3470 if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
3472 if ((status = decode_putfh(&xdr)) != 0)
3474 if ((status = decode_savefh(&xdr)) != 0)
3476 if ((status = decode_putfh(&xdr)) != 0)
3478 status = decode_rename(&xdr, &res->old_cinfo, &res->new_cinfo);
3484 * Decode LINK response
3486 static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_change_info *cinfo)
3488 struct xdr_stream xdr;
3489 struct compound_hdr hdr;
3492 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3493 if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
3495 if ((status = decode_putfh(&xdr)) != 0)
3497 if ((status = decode_savefh(&xdr)) != 0)
3499 if ((status = decode_putfh(&xdr)) != 0)
3501 status = decode_link(&xdr, cinfo);
3507 * Decode CREATE response
3509 static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_create_res *res)
3511 struct xdr_stream xdr;
3512 struct compound_hdr hdr;
3515 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3516 if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
3518 if ((status = decode_putfh(&xdr)) != 0)
3520 if ((status = decode_create(&xdr,&res->dir_cinfo)) != 0)
3522 if ((status = decode_getfh(&xdr, res->fh)) != 0)
3524 status = decode_getfattr(&xdr, res->fattr, res->server);
3525 if (status == NFS4ERR_DELAY)
3532 * Decode SYMLINK response
3534 static int nfs4_xdr_dec_symlink(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_create_res *res)
3536 return nfs4_xdr_dec_create(rqstp, p, res);
3540 * Decode GETATTR response
3542 static int nfs4_xdr_dec_getattr(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_getattr_res *res)
3544 struct xdr_stream xdr;
3545 struct compound_hdr hdr;
3548 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3549 status = decode_compound_hdr(&xdr, &hdr);
3552 status = decode_putfh(&xdr);
3555 status = decode_getfattr(&xdr, res->fattr, res->server);
3562 * Encode an SETACL request
3565 nfs4_xdr_enc_setacl(struct rpc_rqst *req, uint32_t *p, struct nfs_setaclargs *args)
3567 struct xdr_stream xdr;
3568 struct compound_hdr hdr = {
3573 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
3574 encode_compound_hdr(&xdr, &hdr);
3575 status = encode_putfh(&xdr, args->fh);
3578 status = encode_setacl(&xdr, args);
3583 * Decode SETACL response
3586 nfs4_xdr_dec_setacl(struct rpc_rqst *rqstp, uint32_t *p, void *res)
3588 struct xdr_stream xdr;
3589 struct compound_hdr hdr;
3592 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3593 status = decode_compound_hdr(&xdr, &hdr);
3596 status = decode_putfh(&xdr);
3599 status = decode_setattr(&xdr, res);
3605 * Decode GETACL response
3608 nfs4_xdr_dec_getacl(struct rpc_rqst *rqstp, uint32_t *p, size_t *acl_len)
3610 struct xdr_stream xdr;
3611 struct compound_hdr hdr;
3614 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3615 status = decode_compound_hdr(&xdr, &hdr);
3618 status = decode_putfh(&xdr);
3621 status = decode_getacl(&xdr, rqstp, acl_len);
3628 * Decode CLOSE response
3630 static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_closeres *res)
3632 struct xdr_stream xdr;
3633 struct compound_hdr hdr;
3636 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3637 status = decode_compound_hdr(&xdr, &hdr);
3640 status = decode_putfh(&xdr);
3643 status = decode_close(&xdr, res);
3649 * Decode OPEN response
3651 static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_openres *res)
3653 struct xdr_stream xdr;
3654 struct compound_hdr hdr;
3657 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3658 status = decode_compound_hdr(&xdr, &hdr);
3661 status = decode_putfh(&xdr);
3664 status = decode_open(&xdr, res);
3667 status = decode_getfh(&xdr, &res->fh);
3670 status = decode_getfattr(&xdr, res->f_attr, res->server);
3671 if (status == NFS4ERR_DELAY)
3678 * Decode OPEN_CONFIRM response
3680 static int nfs4_xdr_dec_open_confirm(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_open_confirmres *res)
3682 struct xdr_stream xdr;
3683 struct compound_hdr hdr;
3686 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3687 status = decode_compound_hdr(&xdr, &hdr);
3690 status = decode_putfh(&xdr);
3693 status = decode_open_confirm(&xdr, res);
3699 * Decode OPEN response
3701 static int nfs4_xdr_dec_open_noattr(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_openres *res)
3703 struct xdr_stream xdr;
3704 struct compound_hdr hdr;
3707 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3708 status = decode_compound_hdr(&xdr, &hdr);
3711 status = decode_putfh(&xdr);
3714 status = decode_open(&xdr, res);
3720 * Decode SETATTR response
3722 static int nfs4_xdr_dec_setattr(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_setattrres *res)
3724 struct xdr_stream xdr;
3725 struct compound_hdr hdr;
3728 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3729 status = decode_compound_hdr(&xdr, &hdr);
3732 status = decode_putfh(&xdr);
3735 status = decode_setattr(&xdr, res);
3738 status = decode_getfattr(&xdr, res->fattr, res->server);
3739 if (status == NFS4ERR_DELAY)
3746 * Decode LOCK response
3748 static int nfs4_xdr_dec_lock(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_lockres *res)
3750 struct xdr_stream xdr;
3751 struct compound_hdr hdr;
3754 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3755 status = decode_compound_hdr(&xdr, &hdr);
3758 status = decode_putfh(&xdr);
3761 status = decode_lock(&xdr, res);
3767 * Decode LOCKT response
3769 static int nfs4_xdr_dec_lockt(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_lockres *res)
3771 struct xdr_stream xdr;
3772 struct compound_hdr hdr;
3775 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3776 status = decode_compound_hdr(&xdr, &hdr);
3779 status = decode_putfh(&xdr);
3782 status = decode_lockt(&xdr, res);
3788 * Decode LOCKU response
3790 static int nfs4_xdr_dec_locku(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_lockres *res)
3792 struct xdr_stream xdr;
3793 struct compound_hdr hdr;
3796 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3797 status = decode_compound_hdr(&xdr, &hdr);
3800 status = decode_putfh(&xdr);
3803 status = decode_locku(&xdr, res);
3809 * Decode READLINK response
3811 static int nfs4_xdr_dec_readlink(struct rpc_rqst *rqstp, uint32_t *p, void *res)
3813 struct xdr_stream xdr;
3814 struct compound_hdr hdr;
3817 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3818 status = decode_compound_hdr(&xdr, &hdr);
3821 status = decode_putfh(&xdr);
3824 status = decode_readlink(&xdr, rqstp);
3830 * Decode READDIR response
3832 static int nfs4_xdr_dec_readdir(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_readdir_res *res)
3834 struct xdr_stream xdr;
3835 struct compound_hdr hdr;
3838 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3839 status = decode_compound_hdr(&xdr, &hdr);
3842 status = decode_putfh(&xdr);
3845 status = decode_readdir(&xdr, rqstp, res);
3851 * Decode Read response
3853 static int nfs4_xdr_dec_read(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_readres *res)
3855 struct xdr_stream xdr;
3856 struct compound_hdr hdr;
3859 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3860 status = decode_compound_hdr(&xdr, &hdr);
3863 status = decode_putfh(&xdr);
3866 status = decode_read(&xdr, rqstp, res);
3868 status = res->count;
3874 * Decode WRITE response
3876 static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_writeres *res)
3878 struct xdr_stream xdr;
3879 struct compound_hdr hdr;
3882 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3883 status = decode_compound_hdr(&xdr, &hdr);
3886 status = decode_putfh(&xdr);
3889 status = decode_write(&xdr, res);
3891 status = res->count;
3897 * Decode COMMIT response
3899 static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_writeres *res)
3901 struct xdr_stream xdr;
3902 struct compound_hdr hdr;
3905 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3906 status = decode_compound_hdr(&xdr, &hdr);
3909 status = decode_putfh(&xdr);
3912 status = decode_commit(&xdr, res);
3920 static int nfs4_xdr_dec_fsinfo(struct rpc_rqst *req, uint32_t *p, struct nfs_fsinfo *fsinfo)
3922 struct xdr_stream xdr;
3923 struct compound_hdr hdr;
3926 xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
3927 status = decode_compound_hdr(&xdr, &hdr);
3929 status = decode_putfh(&xdr);
3931 status = decode_fsinfo(&xdr, fsinfo);
3933 status = -nfs_stat_to_errno(hdr.status);
3940 static int nfs4_xdr_dec_pathconf(struct rpc_rqst *req, uint32_t *p, struct nfs_pathconf *pathconf)
3942 struct xdr_stream xdr;
3943 struct compound_hdr hdr;
3946 xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
3947 status = decode_compound_hdr(&xdr, &hdr);
3949 status = decode_putfh(&xdr);
3951 status = decode_pathconf(&xdr, pathconf);
3958 static int nfs4_xdr_dec_statfs(struct rpc_rqst *req, uint32_t *p, struct nfs_fsstat *fsstat)
3960 struct xdr_stream xdr;
3961 struct compound_hdr hdr;
3964 xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
3965 status = decode_compound_hdr(&xdr, &hdr);
3967 status = decode_putfh(&xdr);
3969 status = decode_statfs(&xdr, fsstat);
3974 * GETATTR_BITMAP request
3976 static int nfs4_xdr_dec_server_caps(struct rpc_rqst *req, uint32_t *p, struct nfs4_server_caps_res *res)
3978 struct xdr_stream xdr;
3979 struct compound_hdr hdr;
3982 xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
3983 if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
3985 if ((status = decode_putfh(&xdr)) != 0)
3987 status = decode_server_caps(&xdr, res);
3993 * Decode RENEW response
3995 static int nfs4_xdr_dec_renew(struct rpc_rqst *rqstp, uint32_t *p, void *dummy)
3997 struct xdr_stream xdr;
3998 struct compound_hdr hdr;
4001 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
4002 status = decode_compound_hdr(&xdr, &hdr);
4004 status = decode_renew(&xdr);
4009 * a SETCLIENTID request
4011 static int nfs4_xdr_dec_setclientid(struct rpc_rqst *req, uint32_t *p,
4012 struct nfs4_client *clp)
4014 struct xdr_stream xdr;
4015 struct compound_hdr hdr;
4018 xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
4019 status = decode_compound_hdr(&xdr, &hdr);
4021 status = decode_setclientid(&xdr, clp);
4023 status = -nfs_stat_to_errno(hdr.status);
4028 * a SETCLIENTID_CONFIRM request
4030 static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst *req, uint32_t *p, struct nfs_fsinfo *fsinfo)
4032 struct xdr_stream xdr;
4033 struct compound_hdr hdr;
4036 xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
4037 status = decode_compound_hdr(&xdr, &hdr);
4039 status = decode_setclientid_confirm(&xdr);
4041 status = decode_putrootfh(&xdr);
4043 status = decode_fsinfo(&xdr, fsinfo);
4045 status = -nfs_stat_to_errno(hdr.status);
4050 * DELEGRETURN request
4052 static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, uint32_t *p, void *dummy)
4054 struct xdr_stream xdr;
4055 struct compound_hdr hdr;
4058 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
4059 status = decode_compound_hdr(&xdr, &hdr);
4061 status = decode_putfh(&xdr);
4063 status = decode_delegreturn(&xdr);
4068 uint32_t *nfs4_decode_dirent(uint32_t *p, struct nfs_entry *entry, int plus)
4070 uint32_t bitmap[2] = {0};
4075 return ERR_PTR(-EAGAIN);
4077 return ERR_PTR(-EBADCOOKIE);
4080 entry->prev_cookie = entry->cookie;
4081 p = xdr_decode_hyper(p, &entry->cookie);
4082 entry->len = ntohl(*p++);
4083 entry->name = (const char *) p;
4084 p += XDR_QUADLEN(entry->len);
4087 * In case the server doesn't return an inode number,
4088 * we fake one here. (We don't use inode number 0,
4089 * since glibc seems to choke on it...)
4093 len = ntohl(*p++); /* bitmap length */
4095 bitmap[0] = ntohl(*p++);
4097 bitmap[1] = ntohl(*p++);
4101 len = XDR_QUADLEN(ntohl(*p++)); /* attribute buffer length */
4103 if (bitmap[0] & FATTR4_WORD0_RDATTR_ERROR) {
4104 bitmap[0] &= ~FATTR4_WORD0_RDATTR_ERROR;
4105 /* Ignore the return value of rdattr_error for now */
4109 if (bitmap[0] == 0 && bitmap[1] == FATTR4_WORD1_MOUNTED_ON_FILEID)
4110 xdr_decode_hyper(p, &entry->ino);
4111 else if (bitmap[0] == FATTR4_WORD0_FILEID)
4112 xdr_decode_hyper(p, &entry->ino);
4116 entry->eof = !p[0] && p[1];
4121 * We need to translate between nfs status return values and
4122 * the local errno values which may not be the same.
4129 { NFS4ERR_PERM, EPERM },
4130 { NFS4ERR_NOENT, ENOENT },
4131 { NFS4ERR_IO, errno_NFSERR_IO },
4132 { NFS4ERR_NXIO, ENXIO },
4133 { NFS4ERR_ACCESS, EACCES },
4134 { NFS4ERR_EXIST, EEXIST },
4135 { NFS4ERR_XDEV, EXDEV },
4136 { NFS4ERR_NOTDIR, ENOTDIR },
4137 { NFS4ERR_ISDIR, EISDIR },
4138 { NFS4ERR_INVAL, EINVAL },
4139 { NFS4ERR_FBIG, EFBIG },
4140 { NFS4ERR_NOSPC, ENOSPC },
4141 { NFS4ERR_ROFS, EROFS },
4142 { NFS4ERR_MLINK, EMLINK },
4143 { NFS4ERR_NAMETOOLONG, ENAMETOOLONG },
4144 { NFS4ERR_NOTEMPTY, ENOTEMPTY },
4145 { NFS4ERR_DQUOT, EDQUOT },
4146 { NFS4ERR_STALE, ESTALE },
4147 { NFS4ERR_BADHANDLE, EBADHANDLE },
4148 { NFS4ERR_BADOWNER, EINVAL },
4149 { NFS4ERR_BADNAME, EINVAL },
4150 { NFS4ERR_BAD_COOKIE, EBADCOOKIE },
4151 { NFS4ERR_NOTSUPP, ENOTSUPP },
4152 { NFS4ERR_TOOSMALL, ETOOSMALL },
4153 { NFS4ERR_SERVERFAULT, ESERVERFAULT },
4154 { NFS4ERR_BADTYPE, EBADTYPE },
4155 { NFS4ERR_LOCKED, EAGAIN },
4156 { NFS4ERR_RESOURCE, EREMOTEIO },
4157 { NFS4ERR_SYMLINK, ELOOP },
4158 { NFS4ERR_OP_ILLEGAL, EOPNOTSUPP },
4159 { NFS4ERR_DEADLOCK, EDEADLK },
4160 { NFS4ERR_WRONGSEC, EPERM }, /* FIXME: this needs
4161 * to be handled by a
4168 * Convert an NFS error code to a local one.
4169 * This one is used jointly by NFSv2 and NFSv3.
4172 nfs_stat_to_errno(int stat)
4175 for (i = 0; nfs_errtbl[i].stat != -1; i++) {
4176 if (nfs_errtbl[i].stat == stat)
4177 return nfs_errtbl[i].errno;
4179 if (stat <= 10000 || stat > 10100) {
4180 /* The server is looney tunes. */
4181 return ESERVERFAULT;
4183 /* If we cannot translate the error, the recovery routines should
4185 * Note: remaining NFSv4 error codes have values > 10000, so should
4186 * not conflict with native Linux error codes.
4192 # define MAX(a, b) (((a) > (b))? (a) : (b))
4195 #define PROC(proc, argtype, restype) \
4196 [NFSPROC4_CLNT_##proc] = { \
4197 .p_proc = NFSPROC4_COMPOUND, \
4198 .p_encode = (kxdrproc_t) nfs4_xdr_##argtype, \
4199 .p_decode = (kxdrproc_t) nfs4_xdr_##restype, \
4200 .p_bufsiz = MAX(NFS4_##argtype##_sz,NFS4_##restype##_sz) << 2, \
4203 struct rpc_procinfo nfs4_procedures[] = {
4204 PROC(READ, enc_read, dec_read),
4205 PROC(WRITE, enc_write, dec_write),
4206 PROC(COMMIT, enc_commit, dec_commit),
4207 PROC(OPEN, enc_open, dec_open),
4208 PROC(OPEN_CONFIRM, enc_open_confirm, dec_open_confirm),
4209 PROC(OPEN_NOATTR, enc_open_noattr, dec_open_noattr),
4210 PROC(OPEN_DOWNGRADE, enc_open_downgrade, dec_open_downgrade),
4211 PROC(CLOSE, enc_close, dec_close),
4212 PROC(SETATTR, enc_setattr, dec_setattr),
4213 PROC(FSINFO, enc_fsinfo, dec_fsinfo),
4214 PROC(RENEW, enc_renew, dec_renew),
4215 PROC(SETCLIENTID, enc_setclientid, dec_setclientid),
4216 PROC(SETCLIENTID_CONFIRM, enc_setclientid_confirm, dec_setclientid_confirm),
4217 PROC(LOCK, enc_lock, dec_lock),
4218 PROC(LOCKT, enc_lockt, dec_lockt),
4219 PROC(LOCKU, enc_locku, dec_locku),
4220 PROC(ACCESS, enc_access, dec_access),
4221 PROC(GETATTR, enc_getattr, dec_getattr),
4222 PROC(LOOKUP, enc_lookup, dec_lookup),
4223 PROC(LOOKUP_ROOT, enc_lookup_root, dec_lookup_root),
4224 PROC(REMOVE, enc_remove, dec_remove),
4225 PROC(RENAME, enc_rename, dec_rename),
4226 PROC(LINK, enc_link, dec_link),
4227 PROC(SYMLINK, enc_symlink, dec_symlink),
4228 PROC(CREATE, enc_create, dec_create),
4229 PROC(PATHCONF, enc_pathconf, dec_pathconf),
4230 PROC(STATFS, enc_statfs, dec_statfs),
4231 PROC(READLINK, enc_readlink, dec_readlink),
4232 PROC(READDIR, enc_readdir, dec_readdir),
4233 PROC(SERVER_CAPS, enc_server_caps, dec_server_caps),
4234 PROC(DELEGRETURN, enc_delegreturn, dec_delegreturn),
4235 PROC(GETACL, enc_getacl, dec_getacl),
4236 PROC(SETACL, enc_setacl, dec_setacl),
4239 struct rpc_version nfs_version4 = {
4241 .nrprocs = sizeof(nfs4_procedures)/sizeof(nfs4_procedures[0]),
4242 .procs = nfs4_procedures