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_restorefh_maxsz (op_encode_hdr_maxsz)
99 #define decode_restorefh_maxsz (op_decode_hdr_maxsz)
100 #define encode_fsinfo_maxsz (op_encode_hdr_maxsz + 2)
101 #define decode_fsinfo_maxsz (op_decode_hdr_maxsz + 11)
102 #define encode_renew_maxsz (op_encode_hdr_maxsz + 3)
103 #define decode_renew_maxsz (op_decode_hdr_maxsz)
104 #define encode_setclientid_maxsz \
105 (op_encode_hdr_maxsz + \
106 4 /*server->ip_addr*/ + \
109 6 + (NFS4_VERIFIER_SIZE >> 2))
110 #define decode_setclientid_maxsz \
111 (op_decode_hdr_maxsz + \
113 1024) /* large value for CLID_INUSE */
114 #define encode_setclientid_confirm_maxsz \
115 (op_encode_hdr_maxsz + \
116 3 + (NFS4_VERIFIER_SIZE >> 2))
117 #define decode_setclientid_confirm_maxsz \
118 (op_decode_hdr_maxsz)
119 #define encode_lookup_maxsz (op_encode_hdr_maxsz + \
120 1 + ((3 + NFS4_FHSIZE) >> 2))
121 #define encode_remove_maxsz (op_encode_hdr_maxsz + \
123 #define encode_rename_maxsz (op_encode_hdr_maxsz + \
125 #define decode_rename_maxsz (op_decode_hdr_maxsz + 5 + 5)
126 #define encode_link_maxsz (op_encode_hdr_maxsz + \
128 #define decode_link_maxsz (op_decode_hdr_maxsz + 5)
129 #define encode_symlink_maxsz (op_encode_hdr_maxsz + \
130 1 + nfs4_name_maxsz + \
133 #define decode_symlink_maxsz (op_decode_hdr_maxsz + 8)
134 #define encode_create_maxsz (op_encode_hdr_maxsz + \
135 2 + nfs4_name_maxsz + \
137 #define decode_create_maxsz (op_decode_hdr_maxsz + 8)
138 #define encode_delegreturn_maxsz (op_encode_hdr_maxsz + 4)
139 #define decode_delegreturn_maxsz (op_decode_hdr_maxsz)
140 #define NFS4_enc_compound_sz (1024) /* XXX: large enough? */
141 #define NFS4_dec_compound_sz (1024) /* XXX: large enough? */
142 #define NFS4_enc_read_sz (compound_encode_hdr_maxsz + \
143 encode_putfh_maxsz + \
144 op_encode_hdr_maxsz + 7)
145 #define NFS4_dec_read_sz (compound_decode_hdr_maxsz + \
146 decode_putfh_maxsz + \
147 op_decode_hdr_maxsz + 2)
148 #define NFS4_enc_readlink_sz (compound_encode_hdr_maxsz + \
149 encode_putfh_maxsz + \
151 #define NFS4_dec_readlink_sz (compound_decode_hdr_maxsz + \
152 decode_putfh_maxsz + \
154 #define NFS4_enc_readdir_sz (compound_encode_hdr_maxsz + \
155 encode_putfh_maxsz + \
156 op_encode_hdr_maxsz + 9)
157 #define NFS4_dec_readdir_sz (compound_decode_hdr_maxsz + \
158 decode_putfh_maxsz + \
159 op_decode_hdr_maxsz + 2)
160 #define NFS4_enc_write_sz (compound_encode_hdr_maxsz + \
161 encode_putfh_maxsz + \
162 op_encode_hdr_maxsz + 8)
163 #define NFS4_dec_write_sz (compound_decode_hdr_maxsz + \
164 decode_putfh_maxsz + \
165 op_decode_hdr_maxsz + 4)
166 #define NFS4_enc_commit_sz (compound_encode_hdr_maxsz + \
167 encode_putfh_maxsz + \
168 op_encode_hdr_maxsz + 3)
169 #define NFS4_dec_commit_sz (compound_decode_hdr_maxsz + \
170 decode_putfh_maxsz + \
171 op_decode_hdr_maxsz + 2)
172 #define NFS4_enc_open_sz (compound_encode_hdr_maxsz + \
173 encode_putfh_maxsz + \
174 op_encode_hdr_maxsz + \
176 encode_getattr_maxsz + \
178 #define NFS4_dec_open_sz (compound_decode_hdr_maxsz + \
179 decode_putfh_maxsz + \
180 op_decode_hdr_maxsz + 4 + 5 + 2 + 3 + \
181 decode_getattr_maxsz + \
183 #define NFS4_enc_open_confirm_sz \
184 (compound_encode_hdr_maxsz + \
185 encode_putfh_maxsz + \
186 op_encode_hdr_maxsz + 5)
187 #define NFS4_dec_open_confirm_sz (compound_decode_hdr_maxsz + \
188 decode_putfh_maxsz + \
189 op_decode_hdr_maxsz + 4)
190 #define NFS4_enc_open_noattr_sz (compound_encode_hdr_maxsz + \
191 encode_putfh_maxsz + \
192 op_encode_hdr_maxsz + \
194 #define NFS4_dec_open_noattr_sz (compound_decode_hdr_maxsz + \
195 decode_putfh_maxsz + \
196 op_decode_hdr_maxsz + \
198 #define NFS4_enc_open_downgrade_sz \
199 (compound_encode_hdr_maxsz + \
200 encode_putfh_maxsz + \
201 op_encode_hdr_maxsz + 7)
202 #define NFS4_dec_open_downgrade_sz \
203 (compound_decode_hdr_maxsz + \
204 decode_putfh_maxsz + \
205 op_decode_hdr_maxsz + 4)
206 #define NFS4_enc_close_sz (compound_encode_hdr_maxsz + \
207 encode_putfh_maxsz + \
208 op_encode_hdr_maxsz + 5)
209 #define NFS4_dec_close_sz (compound_decode_hdr_maxsz + \
210 decode_putfh_maxsz + \
211 op_decode_hdr_maxsz + 4)
212 #define NFS4_enc_setattr_sz (compound_encode_hdr_maxsz + \
213 encode_putfh_maxsz + \
214 op_encode_hdr_maxsz + 4 + \
216 encode_getattr_maxsz)
217 #define NFS4_dec_setattr_sz (compound_decode_hdr_maxsz + \
218 decode_putfh_maxsz + \
219 op_decode_hdr_maxsz + 3)
220 #define NFS4_enc_fsinfo_sz (compound_encode_hdr_maxsz + \
221 encode_putfh_maxsz + \
223 #define NFS4_dec_fsinfo_sz (compound_decode_hdr_maxsz + \
224 decode_putfh_maxsz + \
226 #define NFS4_enc_renew_sz (compound_encode_hdr_maxsz + \
228 #define NFS4_dec_renew_sz (compound_decode_hdr_maxsz + \
230 #define NFS4_enc_setclientid_sz (compound_encode_hdr_maxsz + \
231 encode_setclientid_maxsz)
232 #define NFS4_dec_setclientid_sz (compound_decode_hdr_maxsz + \
233 decode_setclientid_maxsz)
234 #define NFS4_enc_setclientid_confirm_sz \
235 (compound_encode_hdr_maxsz + \
236 encode_setclientid_confirm_maxsz + \
237 encode_putrootfh_maxsz + \
239 #define NFS4_dec_setclientid_confirm_sz \
240 (compound_decode_hdr_maxsz + \
241 decode_setclientid_confirm_maxsz + \
242 decode_putrootfh_maxsz + \
244 #define NFS4_enc_lock_sz (compound_encode_hdr_maxsz + \
245 encode_putfh_maxsz + \
246 encode_getattr_maxsz + \
247 op_encode_hdr_maxsz + \
251 #define NFS4_dec_lock_sz (compound_decode_hdr_maxsz + \
252 decode_putfh_maxsz + \
253 decode_getattr_maxsz + \
254 op_decode_hdr_maxsz + \
257 #define NFS4_enc_lockt_sz (compound_encode_hdr_maxsz + \
258 encode_putfh_maxsz + \
259 encode_getattr_maxsz + \
260 op_encode_hdr_maxsz + \
263 #define NFS4_dec_lockt_sz (NFS4_dec_lock_sz)
264 #define NFS4_enc_locku_sz (compound_encode_hdr_maxsz + \
265 encode_putfh_maxsz + \
266 encode_getattr_maxsz + \
267 op_encode_hdr_maxsz + \
269 #define NFS4_dec_locku_sz (compound_decode_hdr_maxsz + \
270 decode_putfh_maxsz + \
271 decode_getattr_maxsz + \
272 op_decode_hdr_maxsz + 4)
273 #define NFS4_enc_access_sz (compound_encode_hdr_maxsz + \
274 encode_putfh_maxsz + \
275 op_encode_hdr_maxsz + 1)
276 #define NFS4_dec_access_sz (compound_decode_hdr_maxsz + \
277 decode_putfh_maxsz + \
278 op_decode_hdr_maxsz + 2)
279 #define NFS4_enc_getattr_sz (compound_encode_hdr_maxsz + \
280 encode_putfh_maxsz + \
281 encode_getattr_maxsz)
282 #define NFS4_dec_getattr_sz (compound_decode_hdr_maxsz + \
283 decode_putfh_maxsz + \
284 decode_getattr_maxsz)
285 #define NFS4_enc_lookup_sz (compound_encode_hdr_maxsz + \
286 encode_putfh_maxsz + \
287 encode_lookup_maxsz + \
288 encode_getattr_maxsz + \
290 #define NFS4_dec_lookup_sz (compound_decode_hdr_maxsz + \
291 decode_putfh_maxsz + \
292 op_decode_hdr_maxsz + \
293 decode_getattr_maxsz + \
295 #define NFS4_enc_lookup_root_sz (compound_encode_hdr_maxsz + \
296 encode_putrootfh_maxsz + \
297 encode_getattr_maxsz + \
299 #define NFS4_dec_lookup_root_sz (compound_decode_hdr_maxsz + \
300 decode_putrootfh_maxsz + \
301 decode_getattr_maxsz + \
303 #define NFS4_enc_remove_sz (compound_encode_hdr_maxsz + \
304 encode_putfh_maxsz + \
306 #define NFS4_dec_remove_sz (compound_decode_hdr_maxsz + \
307 decode_putfh_maxsz + \
308 op_decode_hdr_maxsz + 5)
309 #define NFS4_enc_rename_sz (compound_encode_hdr_maxsz + \
310 encode_putfh_maxsz + \
311 encode_savefh_maxsz + \
312 encode_putfh_maxsz + \
314 #define NFS4_dec_rename_sz (compound_decode_hdr_maxsz + \
315 decode_putfh_maxsz + \
316 decode_savefh_maxsz + \
317 decode_putfh_maxsz + \
319 #define NFS4_enc_link_sz (compound_encode_hdr_maxsz + \
320 encode_putfh_maxsz + \
321 encode_savefh_maxsz + \
322 encode_putfh_maxsz + \
324 #define NFS4_dec_link_sz (compound_decode_hdr_maxsz + \
325 decode_putfh_maxsz + \
326 decode_savefh_maxsz + \
327 decode_putfh_maxsz + \
329 #define NFS4_enc_symlink_sz (compound_encode_hdr_maxsz + \
330 encode_putfh_maxsz + \
331 encode_symlink_maxsz + \
332 encode_getattr_maxsz + \
334 #define NFS4_dec_symlink_sz (compound_decode_hdr_maxsz + \
335 decode_putfh_maxsz + \
336 decode_symlink_maxsz + \
337 decode_getattr_maxsz + \
339 #define NFS4_enc_create_sz (compound_encode_hdr_maxsz + \
340 encode_putfh_maxsz + \
341 encode_savefh_maxsz + \
342 encode_create_maxsz + \
343 encode_getfh_maxsz + \
344 encode_getattr_maxsz + \
345 encode_restorefh_maxsz + \
346 encode_getattr_maxsz)
347 #define NFS4_dec_create_sz (compound_decode_hdr_maxsz + \
348 decode_putfh_maxsz + \
349 decode_savefh_maxsz + \
350 decode_create_maxsz + \
351 decode_getfh_maxsz + \
352 decode_getattr_maxsz + \
353 decode_restorefh_maxsz + \
354 decode_getattr_maxsz)
355 #define NFS4_enc_pathconf_sz (compound_encode_hdr_maxsz + \
356 encode_putfh_maxsz + \
357 encode_getattr_maxsz)
358 #define NFS4_dec_pathconf_sz (compound_decode_hdr_maxsz + \
359 decode_putfh_maxsz + \
360 decode_getattr_maxsz)
361 #define NFS4_enc_statfs_sz (compound_encode_hdr_maxsz + \
362 encode_putfh_maxsz + \
363 encode_getattr_maxsz)
364 #define NFS4_dec_statfs_sz (compound_decode_hdr_maxsz + \
365 decode_putfh_maxsz + \
366 op_decode_hdr_maxsz + 12)
367 #define NFS4_enc_server_caps_sz (compound_encode_hdr_maxsz + \
368 encode_getattr_maxsz)
369 #define NFS4_dec_server_caps_sz (compound_decode_hdr_maxsz + \
370 decode_getattr_maxsz)
371 #define NFS4_enc_delegreturn_sz (compound_encode_hdr_maxsz + \
372 encode_putfh_maxsz + \
373 encode_delegreturn_maxsz)
374 #define NFS4_dec_delegreturn_sz (compound_decode_hdr_maxsz + \
375 decode_delegreturn_maxsz)
376 #define NFS4_enc_getacl_sz (compound_encode_hdr_maxsz + \
377 encode_putfh_maxsz + \
378 encode_getattr_maxsz)
379 #define NFS4_dec_getacl_sz (compound_decode_hdr_maxsz + \
380 decode_putfh_maxsz + \
381 op_decode_hdr_maxsz + \
382 nfs4_fattr_bitmap_maxsz + 1)
383 #define NFS4_enc_setacl_sz (compound_encode_hdr_maxsz + \
384 encode_putfh_maxsz + \
385 op_encode_hdr_maxsz + 4 + \
386 nfs4_fattr_bitmap_maxsz + 1)
387 #define NFS4_dec_setacl_sz (compound_decode_hdr_maxsz + \
388 decode_putfh_maxsz + \
389 op_decode_hdr_maxsz + nfs4_fattr_bitmap_maxsz)
393 unsigned int nfs2type;
401 { S_IFSOCK, NFSOCK },
407 struct compound_hdr {
415 * START OF "GENERIC" ENCODE ROUTINES.
416 * These may look a little ugly since they are imported from a "generic"
417 * set of XDR encode/decode routines which are intended to be shared by
418 * all of our NFSv4 implementations (OpenBSD, MacOS X...).
420 * If the pain of reading these is too great, it should be a straightforward
421 * task to translate them into Linux-specific versions which are more
422 * consistent with the style used in NFSv2/v3...
424 #define WRITE32(n) *p++ = htonl(n)
425 #define WRITE64(n) do { \
426 *p++ = htonl((uint32_t)((n) >> 32)); \
427 *p++ = htonl((uint32_t)(n)); \
429 #define WRITEMEM(ptr,nbytes) do { \
430 p = xdr_encode_opaque_fixed(p, ptr, nbytes); \
433 #define RESERVE_SPACE(nbytes) do { \
434 p = xdr_reserve_space(xdr, nbytes); \
435 if (!p) printk("RESERVE_SPACE(%d) failed in function %s\n", (int) (nbytes), __FUNCTION__); \
439 static void encode_string(struct xdr_stream *xdr, unsigned int len, const char *str)
443 p = xdr_reserve_space(xdr, 4 + len);
445 xdr_encode_opaque(p, str, len);
448 static int encode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr)
452 dprintk("encode_compound: tag=%.*s\n", (int)hdr->taglen, hdr->tag);
453 BUG_ON(hdr->taglen > NFS4_MAXTAGLEN);
454 RESERVE_SPACE(12+(XDR_QUADLEN(hdr->taglen)<<2));
455 WRITE32(hdr->taglen);
456 WRITEMEM(hdr->tag, hdr->taglen);
457 WRITE32(NFS4_MINOR_VERSION);
462 static void encode_nfs4_verifier(struct xdr_stream *xdr, const nfs4_verifier *verf)
466 p = xdr_reserve_space(xdr, NFS4_VERIFIER_SIZE);
468 xdr_encode_opaque_fixed(p, verf->data, NFS4_VERIFIER_SIZE);
471 static int encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const struct nfs_server *server)
473 char owner_name[IDMAP_NAMESZ];
474 char owner_group[IDMAP_NAMESZ];
475 int owner_namelen = 0;
476 int owner_grouplen = 0;
485 * We reserve enough space to write the entire attribute buffer at once.
486 * In the worst-case, this would be
487 * 12(bitmap) + 4(attrlen) + 8(size) + 4(mode) + 4(atime) + 4(mtime)
488 * = 36 bytes, plus any contribution from variable-length fields
489 * such as owner/group.
494 if (iap->ia_valid & ATTR_SIZE)
496 if (iap->ia_valid & ATTR_MODE)
498 if (iap->ia_valid & ATTR_UID) {
499 owner_namelen = nfs_map_uid_to_name(server->nfs4_state, iap->ia_uid, owner_name);
500 if (owner_namelen < 0) {
501 printk(KERN_WARNING "nfs: couldn't resolve uid %d to string\n",
504 strcpy(owner_name, "nobody");
505 owner_namelen = sizeof("nobody") - 1;
508 len += 4 + (XDR_QUADLEN(owner_namelen) << 2);
510 if (iap->ia_valid & ATTR_GID) {
511 owner_grouplen = nfs_map_gid_to_group(server->nfs4_state, iap->ia_gid, owner_group);
512 if (owner_grouplen < 0) {
513 printk(KERN_WARNING "nfs4: couldn't resolve gid %d to string\n",
515 strcpy(owner_group, "nobody");
516 owner_grouplen = sizeof("nobody") - 1;
519 len += 4 + (XDR_QUADLEN(owner_grouplen) << 2);
521 if (iap->ia_valid & ATTR_ATIME_SET)
523 else if (iap->ia_valid & ATTR_ATIME)
525 if (iap->ia_valid & ATTR_MTIME_SET)
527 else if (iap->ia_valid & ATTR_MTIME)
532 * We write the bitmap length now, but leave the bitmap and the attribute
533 * buffer length to be backfilled at the end of this routine.
539 if (iap->ia_valid & ATTR_SIZE) {
540 bmval0 |= FATTR4_WORD0_SIZE;
541 WRITE64(iap->ia_size);
543 if (iap->ia_valid & ATTR_MODE) {
544 bmval1 |= FATTR4_WORD1_MODE;
545 WRITE32(iap->ia_mode);
547 if (iap->ia_valid & ATTR_UID) {
548 bmval1 |= FATTR4_WORD1_OWNER;
549 WRITE32(owner_namelen);
550 WRITEMEM(owner_name, owner_namelen);
552 if (iap->ia_valid & ATTR_GID) {
553 bmval1 |= FATTR4_WORD1_OWNER_GROUP;
554 WRITE32(owner_grouplen);
555 WRITEMEM(owner_group, owner_grouplen);
557 if (iap->ia_valid & ATTR_ATIME_SET) {
558 bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET;
559 WRITE32(NFS4_SET_TO_CLIENT_TIME);
561 WRITE32(iap->ia_mtime.tv_sec);
562 WRITE32(iap->ia_mtime.tv_nsec);
564 else if (iap->ia_valid & ATTR_ATIME) {
565 bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET;
566 WRITE32(NFS4_SET_TO_SERVER_TIME);
568 if (iap->ia_valid & ATTR_MTIME_SET) {
569 bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET;
570 WRITE32(NFS4_SET_TO_CLIENT_TIME);
572 WRITE32(iap->ia_mtime.tv_sec);
573 WRITE32(iap->ia_mtime.tv_nsec);
575 else if (iap->ia_valid & ATTR_MTIME) {
576 bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET;
577 WRITE32(NFS4_SET_TO_SERVER_TIME);
581 * Now we backfill the bitmap and the attribute buffer length.
583 if (len != ((char *)p - (char *)q) + 4) {
584 printk ("encode_attr: Attr length calculation error! %u != %Zu\n",
585 len, ((char *)p - (char *)q) + 4);
588 len = (char *)p - (char *)q - 12;
589 *q++ = htonl(bmval0);
590 *q++ = htonl(bmval1);
598 static int encode_access(struct xdr_stream *xdr, u32 access)
609 static int encode_close(struct xdr_stream *xdr, const struct nfs_closeargs *arg)
613 RESERVE_SPACE(8+sizeof(arg->stateid->data));
615 WRITE32(arg->seqid->sequence->counter);
616 WRITEMEM(arg->stateid->data, sizeof(arg->stateid->data));
621 static int encode_commit(struct xdr_stream *xdr, const struct nfs_writeargs *args)
627 WRITE64(args->offset);
628 WRITE32(args->count);
633 static int encode_create(struct xdr_stream *xdr, const struct nfs4_create_arg *create)
639 WRITE32(create->ftype);
641 switch (create->ftype) {
643 RESERVE_SPACE(4 + create->u.symlink->len);
644 WRITE32(create->u.symlink->len);
645 WRITEMEM(create->u.symlink->name, create->u.symlink->len);
648 case NF4BLK: case NF4CHR:
650 WRITE32(create->u.device.specdata1);
651 WRITE32(create->u.device.specdata2);
658 RESERVE_SPACE(4 + create->name->len);
659 WRITE32(create->name->len);
660 WRITEMEM(create->name->name, create->name->len);
662 return encode_attrs(xdr, create->attrs, create->server);
665 static int encode_getattr_one(struct xdr_stream *xdr, uint32_t bitmap)
676 static int encode_getattr_two(struct xdr_stream *xdr, uint32_t bm0, uint32_t bm1)
688 static int encode_getfattr(struct xdr_stream *xdr, const u32* bitmask)
690 return encode_getattr_two(xdr,
691 bitmask[0] & nfs4_fattr_bitmap[0],
692 bitmask[1] & nfs4_fattr_bitmap[1]);
695 static int encode_fsinfo(struct xdr_stream *xdr, const u32* bitmask)
697 return encode_getattr_two(xdr, bitmask[0] & nfs4_fsinfo_bitmap[0],
698 bitmask[1] & nfs4_fsinfo_bitmap[1]);
701 static int encode_getfh(struct xdr_stream *xdr)
711 static int encode_link(struct xdr_stream *xdr, const struct qstr *name)
715 RESERVE_SPACE(8 + name->len);
718 WRITEMEM(name->name, name->len);
724 * opcode,type,reclaim,offset,length,new_lock_owner = 32
725 * open_seqid,open_stateid,lock_seqid,lock_owner.clientid, lock_owner.id = 40
727 static int encode_lock(struct xdr_stream *xdr, const struct nfs_lockargs *arg)
730 struct nfs_lock_opargs *opargs = arg->u.lock;
735 WRITE32(opargs->reclaim);
736 WRITE64(arg->offset);
737 WRITE64(arg->length);
738 WRITE32(opargs->new_lock_owner);
739 if (opargs->new_lock_owner){
741 WRITE32(opargs->open_seqid->sequence->counter);
742 WRITEMEM(opargs->open_stateid->data, sizeof(opargs->open_stateid->data));
743 WRITE32(opargs->lock_seqid->sequence->counter);
744 WRITE64(opargs->lock_owner.clientid);
746 WRITE32(opargs->lock_owner.id);
750 WRITEMEM(opargs->lock_stateid->data, sizeof(opargs->lock_stateid->data));
751 WRITE32(opargs->lock_seqid->sequence->counter);
757 static int encode_lockt(struct xdr_stream *xdr, const struct nfs_lockargs *arg)
760 struct nfs_lowner *opargs = arg->u.lockt;
765 WRITE64(arg->offset);
766 WRITE64(arg->length);
767 WRITE64(opargs->clientid);
774 static int encode_locku(struct xdr_stream *xdr, const struct nfs_lockargs *arg)
777 struct nfs_locku_opargs *opargs = arg->u.locku;
782 WRITE32(opargs->seqid->sequence->counter);
783 WRITEMEM(opargs->stateid->data, sizeof(opargs->stateid->data));
784 WRITE64(arg->offset);
785 WRITE64(arg->length);
790 static int encode_lookup(struct xdr_stream *xdr, const struct qstr *name)
795 RESERVE_SPACE(8 + len);
798 WRITEMEM(name->name, len);
803 static void encode_share_access(struct xdr_stream *xdr, int open_flags)
808 switch (open_flags & (FMODE_READ|FMODE_WRITE)) {
810 WRITE32(NFS4_SHARE_ACCESS_READ);
813 WRITE32(NFS4_SHARE_ACCESS_WRITE);
815 case FMODE_READ|FMODE_WRITE:
816 WRITE32(NFS4_SHARE_ACCESS_BOTH);
821 WRITE32(0); /* for linux, share_deny = 0 always */
824 static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_openargs *arg)
828 * opcode 4, seqid 4, share_access 4, share_deny 4, clientid 8, ownerlen 4,
833 WRITE32(arg->seqid->sequence->counter);
834 encode_share_access(xdr, arg->open_flags);
836 WRITE64(arg->clientid);
841 static inline void encode_createmode(struct xdr_stream *xdr, const struct nfs_openargs *arg)
846 switch(arg->open_flags & O_EXCL) {
848 WRITE32(NFS4_CREATE_UNCHECKED);
849 encode_attrs(xdr, arg->u.attrs, arg->server);
852 WRITE32(NFS4_CREATE_EXCLUSIVE);
853 encode_nfs4_verifier(xdr, &arg->u.verifier);
857 static void encode_opentype(struct xdr_stream *xdr, const struct nfs_openargs *arg)
862 switch (arg->open_flags & O_CREAT) {
864 WRITE32(NFS4_OPEN_NOCREATE);
867 BUG_ON(arg->claim != NFS4_OPEN_CLAIM_NULL);
868 WRITE32(NFS4_OPEN_CREATE);
869 encode_createmode(xdr, arg);
873 static inline void encode_delegation_type(struct xdr_stream *xdr, int delegation_type)
878 switch (delegation_type) {
880 WRITE32(NFS4_OPEN_DELEGATE_NONE);
883 WRITE32(NFS4_OPEN_DELEGATE_READ);
885 case FMODE_WRITE|FMODE_READ:
886 WRITE32(NFS4_OPEN_DELEGATE_WRITE);
893 static inline void encode_claim_null(struct xdr_stream *xdr, const struct qstr *name)
898 WRITE32(NFS4_OPEN_CLAIM_NULL);
899 encode_string(xdr, name->len, name->name);
902 static inline void encode_claim_previous(struct xdr_stream *xdr, int type)
907 WRITE32(NFS4_OPEN_CLAIM_PREVIOUS);
908 encode_delegation_type(xdr, type);
911 static inline void encode_claim_delegate_cur(struct xdr_stream *xdr, const struct qstr *name, const nfs4_stateid *stateid)
915 RESERVE_SPACE(4+sizeof(stateid->data));
916 WRITE32(NFS4_OPEN_CLAIM_DELEGATE_CUR);
917 WRITEMEM(stateid->data, sizeof(stateid->data));
918 encode_string(xdr, name->len, name->name);
921 static int encode_open(struct xdr_stream *xdr, const struct nfs_openargs *arg)
923 encode_openhdr(xdr, arg);
924 encode_opentype(xdr, arg);
925 switch (arg->claim) {
926 case NFS4_OPEN_CLAIM_NULL:
927 encode_claim_null(xdr, arg->name);
929 case NFS4_OPEN_CLAIM_PREVIOUS:
930 encode_claim_previous(xdr, arg->u.delegation_type);
932 case NFS4_OPEN_CLAIM_DELEGATE_CUR:
933 encode_claim_delegate_cur(xdr, arg->name, &arg->u.delegation);
941 static int encode_open_confirm(struct xdr_stream *xdr, const struct nfs_open_confirmargs *arg)
945 RESERVE_SPACE(8+sizeof(arg->stateid.data));
946 WRITE32(OP_OPEN_CONFIRM);
947 WRITEMEM(arg->stateid.data, sizeof(arg->stateid.data));
948 WRITE32(arg->seqid->sequence->counter);
953 static int encode_open_downgrade(struct xdr_stream *xdr, const struct nfs_closeargs *arg)
957 RESERVE_SPACE(8+sizeof(arg->stateid->data));
958 WRITE32(OP_OPEN_DOWNGRADE);
959 WRITEMEM(arg->stateid->data, sizeof(arg->stateid->data));
960 WRITE32(arg->seqid->sequence->counter);
961 encode_share_access(xdr, arg->open_flags);
966 encode_putfh(struct xdr_stream *xdr, const struct nfs_fh *fh)
971 RESERVE_SPACE(8 + len);
974 WRITEMEM(fh->data, len);
979 static int encode_putrootfh(struct xdr_stream *xdr)
984 WRITE32(OP_PUTROOTFH);
989 static void encode_stateid(struct xdr_stream *xdr, const struct nfs_open_context *ctx)
991 nfs4_stateid stateid;
995 if (ctx->state != NULL) {
996 nfs4_copy_stateid(&stateid, ctx->state, ctx->lockowner);
997 WRITEMEM(stateid.data, sizeof(stateid.data));
999 WRITEMEM(zero_stateid.data, sizeof(zero_stateid.data));
1002 static int encode_read(struct xdr_stream *xdr, const struct nfs_readargs *args)
1009 encode_stateid(xdr, args->context);
1012 WRITE64(args->offset);
1013 WRITE32(args->count);
1018 static int encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg *readdir, struct rpc_rqst *req)
1020 struct rpc_auth *auth = req->rq_task->tk_auth;
1021 uint32_t attrs[2] = {
1022 FATTR4_WORD0_RDATTR_ERROR|FATTR4_WORD0_FILEID,
1023 FATTR4_WORD1_MOUNTED_ON_FILEID,
1028 RESERVE_SPACE(32+sizeof(nfs4_verifier));
1029 WRITE32(OP_READDIR);
1030 WRITE64(readdir->cookie);
1031 WRITEMEM(readdir->verifier.data, sizeof(readdir->verifier.data));
1032 WRITE32(readdir->count >> 1); /* We're not doing readdirplus */
1033 WRITE32(readdir->count);
1035 /* Switch to mounted_on_fileid if the server supports it */
1036 if (readdir->bitmask[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)
1037 attrs[0] &= ~FATTR4_WORD0_FILEID;
1039 attrs[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID;
1040 WRITE32(attrs[0] & readdir->bitmask[0]);
1041 WRITE32(attrs[1] & readdir->bitmask[1]);
1042 dprintk("%s: cookie = %Lu, verifier = 0x%x%x, bitmap = 0x%x%x\n",
1044 (unsigned long long)readdir->cookie,
1045 ((u32 *)readdir->verifier.data)[0],
1046 ((u32 *)readdir->verifier.data)[1],
1047 attrs[0] & readdir->bitmask[0],
1048 attrs[1] & readdir->bitmask[1]);
1050 /* set up reply kvec
1051 * toplevel_status + taglen + rescount + OP_PUTFH + status
1052 * + OP_READDIR + status + verifer(2) = 9
1054 replen = (RPC_REPHDRSIZE + auth->au_rslack + 9) << 2;
1055 xdr_inline_pages(&req->rq_rcv_buf, replen, readdir->pages,
1056 readdir->pgbase, readdir->count);
1057 dprintk("%s: inlined page args = (%u, %p, %u, %u)\n",
1058 __FUNCTION__, replen, readdir->pages,
1059 readdir->pgbase, readdir->count);
1064 static int encode_readlink(struct xdr_stream *xdr, const struct nfs4_readlink *readlink, struct rpc_rqst *req)
1066 struct rpc_auth *auth = req->rq_task->tk_auth;
1067 unsigned int replen;
1071 WRITE32(OP_READLINK);
1073 /* set up reply kvec
1074 * toplevel_status + taglen + rescount + OP_PUTFH + status
1075 * + OP_READLINK + status + string length = 8
1077 replen = (RPC_REPHDRSIZE + auth->au_rslack + 8) << 2;
1078 xdr_inline_pages(&req->rq_rcv_buf, replen, readlink->pages,
1079 readlink->pgbase, readlink->pglen);
1084 static int encode_remove(struct xdr_stream *xdr, const struct qstr *name)
1088 RESERVE_SPACE(8 + name->len);
1091 WRITEMEM(name->name, name->len);
1096 static int encode_rename(struct xdr_stream *xdr, const struct qstr *oldname, const struct qstr *newname)
1100 RESERVE_SPACE(8 + oldname->len);
1102 WRITE32(oldname->len);
1103 WRITEMEM(oldname->name, oldname->len);
1105 RESERVE_SPACE(4 + newname->len);
1106 WRITE32(newname->len);
1107 WRITEMEM(newname->name, newname->len);
1112 static int encode_renew(struct xdr_stream *xdr, const struct nfs4_client *client_stateid)
1118 WRITE64(client_stateid->cl_clientid);
1124 encode_restorefh(struct xdr_stream *xdr)
1129 WRITE32(OP_RESTOREFH);
1135 encode_setacl(struct xdr_stream *xdr, struct nfs_setaclargs *arg)
1139 RESERVE_SPACE(4+sizeof(zero_stateid.data));
1140 WRITE32(OP_SETATTR);
1141 WRITEMEM(zero_stateid.data, sizeof(zero_stateid.data));
1144 WRITE32(FATTR4_WORD0_ACL);
1145 if (arg->acl_len % 4)
1148 WRITE32(arg->acl_len);
1149 xdr_write_pages(xdr, arg->acl_pages, arg->acl_pgbase, arg->acl_len);
1154 encode_savefh(struct xdr_stream *xdr)
1164 static int encode_setattr(struct xdr_stream *xdr, const struct nfs_setattrargs *arg, const struct nfs_server *server)
1169 RESERVE_SPACE(4+sizeof(arg->stateid.data));
1170 WRITE32(OP_SETATTR);
1171 WRITEMEM(arg->stateid.data, sizeof(arg->stateid.data));
1173 if ((status = encode_attrs(xdr, arg->iap, server)))
1179 static int encode_setclientid(struct xdr_stream *xdr, const struct nfs4_setclientid *setclientid)
1183 RESERVE_SPACE(4 + sizeof(setclientid->sc_verifier->data));
1184 WRITE32(OP_SETCLIENTID);
1185 WRITEMEM(setclientid->sc_verifier->data, sizeof(setclientid->sc_verifier->data));
1187 encode_string(xdr, setclientid->sc_name_len, setclientid->sc_name);
1189 WRITE32(setclientid->sc_prog);
1190 encode_string(xdr, setclientid->sc_netid_len, setclientid->sc_netid);
1191 encode_string(xdr, setclientid->sc_uaddr_len, setclientid->sc_uaddr);
1193 WRITE32(setclientid->sc_cb_ident);
1198 static int encode_setclientid_confirm(struct xdr_stream *xdr, const struct nfs4_client *client_state)
1202 RESERVE_SPACE(12 + sizeof(client_state->cl_confirm.data));
1203 WRITE32(OP_SETCLIENTID_CONFIRM);
1204 WRITE64(client_state->cl_clientid);
1205 WRITEMEM(client_state->cl_confirm.data, sizeof(client_state->cl_confirm.data));
1210 static int encode_write(struct xdr_stream *xdr, const struct nfs_writeargs *args)
1217 encode_stateid(xdr, args->context);
1220 WRITE64(args->offset);
1221 WRITE32(args->stable);
1222 WRITE32(args->count);
1224 xdr_write_pages(xdr, args->pages, args->pgbase, args->count);
1229 static int encode_delegreturn(struct xdr_stream *xdr, const nfs4_stateid *stateid)
1235 WRITE32(OP_DELEGRETURN);
1236 WRITEMEM(stateid->data, sizeof(stateid->data));
1241 * END OF "GENERIC" ENCODE ROUTINES.
1245 * Encode an ACCESS request
1247 static int nfs4_xdr_enc_access(struct rpc_rqst *req, uint32_t *p, const struct nfs4_accessargs *args)
1249 struct xdr_stream xdr;
1250 struct compound_hdr hdr = {
1255 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1256 encode_compound_hdr(&xdr, &hdr);
1257 if ((status = encode_putfh(&xdr, args->fh)) == 0)
1258 status = encode_access(&xdr, args->access);
1263 * Encode LOOKUP request
1265 static int nfs4_xdr_enc_lookup(struct rpc_rqst *req, uint32_t *p, const struct nfs4_lookup_arg *args)
1267 struct xdr_stream xdr;
1268 struct compound_hdr hdr = {
1273 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1274 encode_compound_hdr(&xdr, &hdr);
1275 if ((status = encode_putfh(&xdr, args->dir_fh)) != 0)
1277 if ((status = encode_lookup(&xdr, args->name)) != 0)
1279 if ((status = encode_getfh(&xdr)) != 0)
1281 status = encode_getfattr(&xdr, args->bitmask);
1287 * Encode LOOKUP_ROOT request
1289 static int nfs4_xdr_enc_lookup_root(struct rpc_rqst *req, uint32_t *p, const struct nfs4_lookup_root_arg *args)
1291 struct xdr_stream xdr;
1292 struct compound_hdr hdr = {
1297 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1298 encode_compound_hdr(&xdr, &hdr);
1299 if ((status = encode_putrootfh(&xdr)) != 0)
1301 if ((status = encode_getfh(&xdr)) == 0)
1302 status = encode_getfattr(&xdr, args->bitmask);
1308 * Encode REMOVE request
1310 static int nfs4_xdr_enc_remove(struct rpc_rqst *req, uint32_t *p, const struct nfs4_remove_arg *args)
1312 struct xdr_stream xdr;
1313 struct compound_hdr hdr = {
1318 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1319 encode_compound_hdr(&xdr, &hdr);
1320 if ((status = encode_putfh(&xdr, args->fh)) == 0)
1321 status = encode_remove(&xdr, args->name);
1326 * Encode RENAME request
1328 static int nfs4_xdr_enc_rename(struct rpc_rqst *req, uint32_t *p, const struct nfs4_rename_arg *args)
1330 struct xdr_stream xdr;
1331 struct compound_hdr hdr = {
1336 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1337 encode_compound_hdr(&xdr, &hdr);
1338 if ((status = encode_putfh(&xdr, args->old_dir)) != 0)
1340 if ((status = encode_savefh(&xdr)) != 0)
1342 if ((status = encode_putfh(&xdr, args->new_dir)) != 0)
1344 status = encode_rename(&xdr, args->old_name, args->new_name);
1350 * Encode LINK request
1352 static int nfs4_xdr_enc_link(struct rpc_rqst *req, uint32_t *p, const struct nfs4_link_arg *args)
1354 struct xdr_stream xdr;
1355 struct compound_hdr hdr = {
1360 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1361 encode_compound_hdr(&xdr, &hdr);
1362 if ((status = encode_putfh(&xdr, args->fh)) != 0)
1364 if ((status = encode_savefh(&xdr)) != 0)
1366 if ((status = encode_putfh(&xdr, args->dir_fh)) != 0)
1368 status = encode_link(&xdr, args->name);
1374 * Encode CREATE request
1376 static int nfs4_xdr_enc_create(struct rpc_rqst *req, uint32_t *p, const struct nfs4_create_arg *args)
1378 struct xdr_stream xdr;
1379 struct compound_hdr hdr = {
1384 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1385 encode_compound_hdr(&xdr, &hdr);
1386 if ((status = encode_putfh(&xdr, args->dir_fh)) != 0)
1388 if ((status = encode_savefh(&xdr)) != 0)
1390 if ((status = encode_create(&xdr, args)) != 0)
1392 if ((status = encode_getfh(&xdr)) != 0)
1394 if ((status = encode_getfattr(&xdr, args->bitmask)) != 0)
1396 if ((status = encode_restorefh(&xdr)) != 0)
1398 status = encode_getfattr(&xdr, args->bitmask);
1404 * Encode SYMLINK request
1406 static int nfs4_xdr_enc_symlink(struct rpc_rqst *req, uint32_t *p, const struct nfs4_create_arg *args)
1408 return nfs4_xdr_enc_create(req, p, args);
1412 * Encode GETATTR request
1414 static int nfs4_xdr_enc_getattr(struct rpc_rqst *req, uint32_t *p, const struct nfs4_getattr_arg *args)
1416 struct xdr_stream xdr;
1417 struct compound_hdr hdr = {
1422 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1423 encode_compound_hdr(&xdr, &hdr);
1424 if ((status = encode_putfh(&xdr, args->fh)) == 0)
1425 status = encode_getfattr(&xdr, args->bitmask);
1430 * Encode a CLOSE request
1432 static int nfs4_xdr_enc_close(struct rpc_rqst *req, uint32_t *p, struct nfs_closeargs *args)
1434 struct xdr_stream xdr;
1435 struct compound_hdr hdr = {
1440 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1441 encode_compound_hdr(&xdr, &hdr);
1442 status = encode_putfh(&xdr, args->fh);
1445 status = encode_close(&xdr, args);
1451 * Encode an OPEN request
1453 static int nfs4_xdr_enc_open(struct rpc_rqst *req, uint32_t *p, struct nfs_openargs *args)
1455 struct xdr_stream xdr;
1456 struct compound_hdr hdr = {
1461 status = nfs_wait_on_sequence(args->seqid, req->rq_task);
1464 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1465 encode_compound_hdr(&xdr, &hdr);
1466 status = encode_putfh(&xdr, args->fh);
1469 status = encode_savefh(&xdr);
1472 status = encode_open(&xdr, args);
1475 status = encode_getfh(&xdr);
1478 status = encode_getfattr(&xdr, args->bitmask);
1481 status = encode_restorefh(&xdr);
1484 status = encode_getfattr(&xdr, args->bitmask);
1490 * Encode an OPEN_CONFIRM request
1492 static int nfs4_xdr_enc_open_confirm(struct rpc_rqst *req, uint32_t *p, struct nfs_open_confirmargs *args)
1494 struct xdr_stream xdr;
1495 struct compound_hdr hdr = {
1500 status = nfs_wait_on_sequence(args->seqid, req->rq_task);
1503 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1504 encode_compound_hdr(&xdr, &hdr);
1505 status = encode_putfh(&xdr, args->fh);
1508 status = encode_open_confirm(&xdr, args);
1514 * Encode an OPEN request with no attributes.
1516 static int nfs4_xdr_enc_open_noattr(struct rpc_rqst *req, uint32_t *p, struct nfs_openargs *args)
1518 struct xdr_stream xdr;
1519 struct compound_hdr hdr = {
1524 status = nfs_wait_on_sequence(args->seqid, req->rq_task);
1527 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1528 encode_compound_hdr(&xdr, &hdr);
1529 status = encode_putfh(&xdr, args->fh);
1532 status = encode_open(&xdr, args);
1538 * Encode an OPEN_DOWNGRADE request
1540 static int nfs4_xdr_enc_open_downgrade(struct rpc_rqst *req, uint32_t *p, struct nfs_closeargs *args)
1542 struct xdr_stream xdr;
1543 struct compound_hdr hdr = {
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_open_downgrade(&xdr, args);
1559 * Encode a LOCK request
1561 static int nfs4_xdr_enc_lock(struct rpc_rqst *req, uint32_t *p, struct nfs_lockargs *args)
1563 struct xdr_stream xdr;
1564 struct compound_hdr hdr = {
1567 struct nfs_lock_opargs *opargs = args->u.lock;
1570 status = nfs_wait_on_sequence(opargs->lock_seqid, req->rq_task);
1573 /* Do we need to do an open_to_lock_owner? */
1574 if (opargs->lock_seqid->sequence->flags & NFS_SEQID_CONFIRMED)
1575 opargs->new_lock_owner = 0;
1576 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1577 encode_compound_hdr(&xdr, &hdr);
1578 status = encode_putfh(&xdr, args->fh);
1581 status = encode_lock(&xdr, args);
1587 * Encode a LOCKT request
1589 static int nfs4_xdr_enc_lockt(struct rpc_rqst *req, uint32_t *p, struct nfs_lockargs *args)
1591 struct xdr_stream xdr;
1592 struct compound_hdr hdr = {
1597 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1598 encode_compound_hdr(&xdr, &hdr);
1599 status = encode_putfh(&xdr, args->fh);
1602 status = encode_lockt(&xdr, args);
1608 * Encode a LOCKU request
1610 static int nfs4_xdr_enc_locku(struct rpc_rqst *req, uint32_t *p, struct nfs_lockargs *args)
1612 struct xdr_stream xdr;
1613 struct compound_hdr hdr = {
1618 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1619 encode_compound_hdr(&xdr, &hdr);
1620 status = encode_putfh(&xdr, args->fh);
1623 status = encode_locku(&xdr, args);
1629 * Encode a READLINK request
1631 static int nfs4_xdr_enc_readlink(struct rpc_rqst *req, uint32_t *p, const struct nfs4_readlink *args)
1633 struct xdr_stream xdr;
1634 struct compound_hdr hdr = {
1639 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1640 encode_compound_hdr(&xdr, &hdr);
1641 status = encode_putfh(&xdr, args->fh);
1644 status = encode_readlink(&xdr, args, req);
1650 * Encode a READDIR request
1652 static int nfs4_xdr_enc_readdir(struct rpc_rqst *req, uint32_t *p, const struct nfs4_readdir_arg *args)
1654 struct xdr_stream xdr;
1655 struct compound_hdr hdr = {
1660 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1661 encode_compound_hdr(&xdr, &hdr);
1662 status = encode_putfh(&xdr, args->fh);
1665 status = encode_readdir(&xdr, args, req);
1671 * Encode a READ request
1673 static int nfs4_xdr_enc_read(struct rpc_rqst *req, uint32_t *p, struct nfs_readargs *args)
1675 struct rpc_auth *auth = req->rq_task->tk_auth;
1676 struct xdr_stream xdr;
1677 struct compound_hdr hdr = {
1682 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1683 encode_compound_hdr(&xdr, &hdr);
1684 status = encode_putfh(&xdr, args->fh);
1687 status = encode_read(&xdr, args);
1691 /* set up reply kvec
1692 * toplevel status + taglen=0 + rescount + OP_PUTFH + status
1693 * + OP_READ + status + eof + datalen = 9
1695 replen = (RPC_REPHDRSIZE + auth->au_rslack + NFS4_dec_read_sz) << 2;
1696 xdr_inline_pages(&req->rq_rcv_buf, replen,
1697 args->pages, args->pgbase, args->count);
1703 * Encode an SETATTR request
1705 static int nfs4_xdr_enc_setattr(struct rpc_rqst *req, uint32_t *p, struct nfs_setattrargs *args)
1708 struct xdr_stream xdr;
1709 struct compound_hdr hdr = {
1714 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1715 encode_compound_hdr(&xdr, &hdr);
1716 status = encode_putfh(&xdr, args->fh);
1719 status = encode_setattr(&xdr, args, args->server);
1722 status = encode_getfattr(&xdr, args->bitmask);
1728 * Encode a GETACL request
1731 nfs4_xdr_enc_getacl(struct rpc_rqst *req, uint32_t *p,
1732 struct nfs_getaclargs *args)
1734 struct xdr_stream xdr;
1735 struct rpc_auth *auth = req->rq_task->tk_auth;
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_getattr_two(&xdr, FATTR4_WORD0_ACL, 0);
1747 /* set up reply buffer: */
1748 replen = (RPC_REPHDRSIZE + auth->au_rslack + NFS4_dec_getacl_sz) << 2;
1749 xdr_inline_pages(&req->rq_rcv_buf, replen,
1750 args->acl_pages, args->acl_pgbase, args->acl_len);
1756 * Encode a WRITE request
1758 static int nfs4_xdr_enc_write(struct rpc_rqst *req, uint32_t *p, struct nfs_writeargs *args)
1760 struct xdr_stream xdr;
1761 struct compound_hdr hdr = {
1766 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1767 encode_compound_hdr(&xdr, &hdr);
1768 status = encode_putfh(&xdr, args->fh);
1771 status = encode_write(&xdr, args);
1779 static int nfs4_xdr_enc_commit(struct rpc_rqst *req, uint32_t *p, struct nfs_writeargs *args)
1781 struct xdr_stream xdr;
1782 struct compound_hdr hdr = {
1787 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1788 encode_compound_hdr(&xdr, &hdr);
1789 status = encode_putfh(&xdr, args->fh);
1792 status = encode_commit(&xdr, args);
1800 static int nfs4_xdr_enc_fsinfo(struct rpc_rqst *req, uint32_t *p, struct nfs4_fsinfo_arg *args)
1802 struct xdr_stream xdr;
1803 struct compound_hdr hdr = {
1808 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1809 encode_compound_hdr(&xdr, &hdr);
1810 status = encode_putfh(&xdr, args->fh);
1812 status = encode_fsinfo(&xdr, args->bitmask);
1817 * a PATHCONF request
1819 static int nfs4_xdr_enc_pathconf(struct rpc_rqst *req, uint32_t *p, const struct nfs4_pathconf_arg *args)
1821 struct xdr_stream xdr;
1822 struct compound_hdr hdr = {
1827 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1828 encode_compound_hdr(&xdr, &hdr);
1829 status = encode_putfh(&xdr, args->fh);
1831 status = encode_getattr_one(&xdr,
1832 args->bitmask[0] & nfs4_pathconf_bitmap[0]);
1839 static int nfs4_xdr_enc_statfs(struct rpc_rqst *req, uint32_t *p, const struct nfs4_statfs_arg *args)
1841 struct xdr_stream xdr;
1842 struct compound_hdr hdr = {
1847 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1848 encode_compound_hdr(&xdr, &hdr);
1849 status = encode_putfh(&xdr, args->fh);
1851 status = encode_getattr_two(&xdr,
1852 args->bitmask[0] & nfs4_statfs_bitmap[0],
1853 args->bitmask[1] & nfs4_statfs_bitmap[1]);
1858 * GETATTR_BITMAP request
1860 static int nfs4_xdr_enc_server_caps(struct rpc_rqst *req, uint32_t *p, const struct nfs_fh *fhandle)
1862 struct xdr_stream xdr;
1863 struct compound_hdr hdr = {
1868 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1869 encode_compound_hdr(&xdr, &hdr);
1870 status = encode_putfh(&xdr, fhandle);
1872 status = encode_getattr_one(&xdr, FATTR4_WORD0_SUPPORTED_ATTRS|
1873 FATTR4_WORD0_LINK_SUPPORT|
1874 FATTR4_WORD0_SYMLINK_SUPPORT|
1875 FATTR4_WORD0_ACLSUPPORT);
1882 static int nfs4_xdr_enc_renew(struct rpc_rqst *req, uint32_t *p, struct nfs4_client *clp)
1884 struct xdr_stream xdr;
1885 struct compound_hdr hdr = {
1889 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1890 encode_compound_hdr(&xdr, &hdr);
1891 return encode_renew(&xdr, clp);
1895 * a SETCLIENTID request
1897 static int nfs4_xdr_enc_setclientid(struct rpc_rqst *req, uint32_t *p, struct nfs4_setclientid *sc)
1899 struct xdr_stream xdr;
1900 struct compound_hdr hdr = {
1904 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1905 encode_compound_hdr(&xdr, &hdr);
1906 return encode_setclientid(&xdr, sc);
1910 * a SETCLIENTID_CONFIRM request
1912 static int nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, uint32_t *p, struct nfs4_client *clp)
1914 struct xdr_stream xdr;
1915 struct compound_hdr hdr = {
1918 const u32 lease_bitmap[2] = { FATTR4_WORD0_LEASE_TIME, 0 };
1921 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1922 encode_compound_hdr(&xdr, &hdr);
1923 status = encode_setclientid_confirm(&xdr, clp);
1925 status = encode_putrootfh(&xdr);
1927 status = encode_fsinfo(&xdr, lease_bitmap);
1932 * DELEGRETURN request
1934 static int nfs4_xdr_enc_delegreturn(struct rpc_rqst *req, uint32_t *p, const struct nfs4_delegreturnargs *args)
1936 struct xdr_stream xdr;
1937 struct compound_hdr hdr = {
1942 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
1943 encode_compound_hdr(&xdr, &hdr);
1944 if ((status = encode_putfh(&xdr, args->fhandle)) == 0)
1945 status = encode_delegreturn(&xdr, args->stateid);
1950 * START OF "GENERIC" DECODE ROUTINES.
1951 * These may look a little ugly since they are imported from a "generic"
1952 * set of XDR encode/decode routines which are intended to be shared by
1953 * all of our NFSv4 implementations (OpenBSD, MacOS X...).
1955 * If the pain of reading these is too great, it should be a straightforward
1956 * task to translate them into Linux-specific versions which are more
1957 * consistent with the style used in NFSv2/v3...
1959 #define READ32(x) (x) = ntohl(*p++)
1960 #define READ64(x) do { \
1961 (x) = (u64)ntohl(*p++) << 32; \
1962 (x) |= ntohl(*p++); \
1964 #define READTIME(x) do { \
1966 (x.tv_sec) = ntohl(*p++); \
1967 (x.tv_nsec) = ntohl(*p++); \
1969 #define COPYMEM(x,nbytes) do { \
1970 memcpy((x), p, nbytes); \
1971 p += XDR_QUADLEN(nbytes); \
1974 #define READ_BUF(nbytes) do { \
1975 p = xdr_inline_decode(xdr, nbytes); \
1977 printk(KERN_WARNING "%s: reply buffer overflowed in line %d.", \
1978 __FUNCTION__, __LINE__); \
1983 static int decode_opaque_inline(struct xdr_stream *xdr, uint32_t *len, char **string)
1990 *string = (char *)p;
1994 static int decode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr)
1999 READ32(hdr->status);
2000 READ32(hdr->taglen);
2002 READ_BUF(hdr->taglen + 4);
2003 hdr->tag = (char *)p;
2004 p += XDR_QUADLEN(hdr->taglen);
2009 static int decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected)
2017 if (opnum != expected) {
2019 "nfs4_decode_op_hdr: Server returned operation"
2020 " %d but we issued a request for %d\n",
2025 if (nfserr != NFS_OK)
2026 return -nfs_stat_to_errno(nfserr);
2031 static int decode_ace(struct xdr_stream *xdr, void *ace, struct nfs4_client *clp)
2038 return decode_opaque_inline(xdr, &strlen, &str);
2041 static int decode_attr_bitmap(struct xdr_stream *xdr, uint32_t *bitmap)
2048 bitmap[0] = bitmap[1] = 0;
2049 READ_BUF((bmlen << 2));
2058 static inline int decode_attr_length(struct xdr_stream *xdr, uint32_t *attrlen, uint32_t **savep)
2068 static int decode_attr_supported(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *bitmask)
2070 if (likely(bitmap[0] & FATTR4_WORD0_SUPPORTED_ATTRS)) {
2071 decode_attr_bitmap(xdr, bitmask);
2072 bitmap[0] &= ~FATTR4_WORD0_SUPPORTED_ATTRS;
2074 bitmask[0] = bitmask[1] = 0;
2075 dprintk("%s: bitmask=0x%x%x\n", __FUNCTION__, bitmask[0], bitmask[1]);
2079 static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *type)
2084 if (unlikely(bitmap[0] & (FATTR4_WORD0_TYPE - 1U)))
2086 if (likely(bitmap[0] & FATTR4_WORD0_TYPE)) {
2089 if (*type < NF4REG || *type > NF4NAMEDATTR) {
2090 dprintk("%s: bad type %d\n", __FUNCTION__, *type);
2093 bitmap[0] &= ~FATTR4_WORD0_TYPE;
2095 dprintk("%s: type=0%o\n", __FUNCTION__, nfs_type2fmt[*type].nfs2type);
2099 static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *change)
2104 if (unlikely(bitmap[0] & (FATTR4_WORD0_CHANGE - 1U)))
2106 if (likely(bitmap[0] & FATTR4_WORD0_CHANGE)) {
2109 bitmap[0] &= ~FATTR4_WORD0_CHANGE;
2111 dprintk("%s: change attribute=%Lu\n", __FUNCTION__,
2112 (unsigned long long)*change);
2116 static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *size)
2121 if (unlikely(bitmap[0] & (FATTR4_WORD0_SIZE - 1U)))
2123 if (likely(bitmap[0] & FATTR4_WORD0_SIZE)) {
2126 bitmap[0] &= ~FATTR4_WORD0_SIZE;
2128 dprintk("%s: file size=%Lu\n", __FUNCTION__, (unsigned long long)*size);
2132 static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res)
2137 if (unlikely(bitmap[0] & (FATTR4_WORD0_LINK_SUPPORT - 1U)))
2139 if (likely(bitmap[0] & FATTR4_WORD0_LINK_SUPPORT)) {
2142 bitmap[0] &= ~FATTR4_WORD0_LINK_SUPPORT;
2144 dprintk("%s: link support=%s\n", __FUNCTION__, *res == 0 ? "false" : "true");
2148 static int decode_attr_symlink_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res)
2153 if (unlikely(bitmap[0] & (FATTR4_WORD0_SYMLINK_SUPPORT - 1U)))
2155 if (likely(bitmap[0] & FATTR4_WORD0_SYMLINK_SUPPORT)) {
2158 bitmap[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT;
2160 dprintk("%s: symlink support=%s\n", __FUNCTION__, *res == 0 ? "false" : "true");
2164 static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_fsid *fsid)
2170 if (unlikely(bitmap[0] & (FATTR4_WORD0_FSID - 1U)))
2172 if (likely(bitmap[0] & FATTR4_WORD0_FSID)) {
2174 READ64(fsid->major);
2175 READ64(fsid->minor);
2176 bitmap[0] &= ~FATTR4_WORD0_FSID;
2178 dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __FUNCTION__,
2179 (unsigned long long)fsid->major,
2180 (unsigned long long)fsid->minor);
2184 static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res)
2189 if (unlikely(bitmap[0] & (FATTR4_WORD0_LEASE_TIME - 1U)))
2191 if (likely(bitmap[0] & FATTR4_WORD0_LEASE_TIME)) {
2194 bitmap[0] &= ~FATTR4_WORD0_LEASE_TIME;
2196 dprintk("%s: file size=%u\n", __FUNCTION__, (unsigned int)*res);
2200 static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res)
2204 *res = ACL4_SUPPORT_ALLOW_ACL|ACL4_SUPPORT_DENY_ACL;
2205 if (unlikely(bitmap[0] & (FATTR4_WORD0_ACLSUPPORT - 1U)))
2207 if (likely(bitmap[0] & FATTR4_WORD0_ACLSUPPORT)) {
2210 bitmap[0] &= ~FATTR4_WORD0_ACLSUPPORT;
2212 dprintk("%s: ACLs supported=%u\n", __FUNCTION__, (unsigned int)*res);
2216 static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid)
2221 if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEID - 1U)))
2223 if (likely(bitmap[0] & FATTR4_WORD0_FILEID)) {
2226 bitmap[0] &= ~FATTR4_WORD0_FILEID;
2228 dprintk("%s: fileid=%Lu\n", __FUNCTION__, (unsigned long long)*fileid);
2232 static int decode_attr_files_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
2238 if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_AVAIL - 1U)))
2240 if (likely(bitmap[0] & FATTR4_WORD0_FILES_AVAIL)) {
2243 bitmap[0] &= ~FATTR4_WORD0_FILES_AVAIL;
2245 dprintk("%s: files avail=%Lu\n", __FUNCTION__, (unsigned long long)*res);
2249 static int decode_attr_files_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
2255 if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_FREE - 1U)))
2257 if (likely(bitmap[0] & FATTR4_WORD0_FILES_FREE)) {
2260 bitmap[0] &= ~FATTR4_WORD0_FILES_FREE;
2262 dprintk("%s: files free=%Lu\n", __FUNCTION__, (unsigned long long)*res);
2266 static int decode_attr_files_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
2272 if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_TOTAL - 1U)))
2274 if (likely(bitmap[0] & FATTR4_WORD0_FILES_TOTAL)) {
2277 bitmap[0] &= ~FATTR4_WORD0_FILES_TOTAL;
2279 dprintk("%s: files total=%Lu\n", __FUNCTION__, (unsigned long long)*res);
2283 static int decode_attr_maxfilesize(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
2289 if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXFILESIZE - 1U)))
2291 if (likely(bitmap[0] & FATTR4_WORD0_MAXFILESIZE)) {
2294 bitmap[0] &= ~FATTR4_WORD0_MAXFILESIZE;
2296 dprintk("%s: maxfilesize=%Lu\n", __FUNCTION__, (unsigned long long)*res);
2300 static int decode_attr_maxlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxlink)
2306 if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXLINK - 1U)))
2308 if (likely(bitmap[0] & FATTR4_WORD0_MAXLINK)) {
2311 bitmap[0] &= ~FATTR4_WORD0_MAXLINK;
2313 dprintk("%s: maxlink=%u\n", __FUNCTION__, *maxlink);
2317 static int decode_attr_maxname(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxname)
2323 if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXNAME - 1U)))
2325 if (likely(bitmap[0] & FATTR4_WORD0_MAXNAME)) {
2328 bitmap[0] &= ~FATTR4_WORD0_MAXNAME;
2330 dprintk("%s: maxname=%u\n", __FUNCTION__, *maxname);
2334 static int decode_attr_maxread(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res)
2340 if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXREAD - 1U)))
2342 if (likely(bitmap[0] & FATTR4_WORD0_MAXREAD)) {
2346 if (maxread > 0x7FFFFFFF)
2347 maxread = 0x7FFFFFFF;
2348 *res = (uint32_t)maxread;
2349 bitmap[0] &= ~FATTR4_WORD0_MAXREAD;
2351 dprintk("%s: maxread=%lu\n", __FUNCTION__, (unsigned long)*res);
2355 static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res)
2361 if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXWRITE - 1U)))
2363 if (likely(bitmap[0] & FATTR4_WORD0_MAXWRITE)) {
2367 if (maxwrite > 0x7FFFFFFF)
2368 maxwrite = 0x7FFFFFFF;
2369 *res = (uint32_t)maxwrite;
2370 bitmap[0] &= ~FATTR4_WORD0_MAXWRITE;
2372 dprintk("%s: maxwrite=%lu\n", __FUNCTION__, (unsigned long)*res);
2376 static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *mode)
2381 if (unlikely(bitmap[1] & (FATTR4_WORD1_MODE - 1U)))
2383 if (likely(bitmap[1] & FATTR4_WORD1_MODE)) {
2387 bitmap[1] &= ~FATTR4_WORD1_MODE;
2389 dprintk("%s: file mode=0%o\n", __FUNCTION__, (unsigned int)*mode);
2393 static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *nlink)
2398 if (unlikely(bitmap[1] & (FATTR4_WORD1_NUMLINKS - 1U)))
2400 if (likely(bitmap[1] & FATTR4_WORD1_NUMLINKS)) {
2403 bitmap[1] &= ~FATTR4_WORD1_NUMLINKS;
2405 dprintk("%s: nlink=%u\n", __FUNCTION__, (unsigned int)*nlink);
2409 static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_client *clp, int32_t *uid)
2414 if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER - 1U)))
2416 if (likely(bitmap[1] & FATTR4_WORD1_OWNER)) {
2420 if (len < XDR_MAX_NETOBJ) {
2421 if (nfs_map_name_to_uid(clp, (char *)p, len, uid) != 0)
2422 dprintk("%s: nfs_map_name_to_uid failed!\n",
2425 printk(KERN_WARNING "%s: name too long (%u)!\n",
2427 bitmap[1] &= ~FATTR4_WORD1_OWNER;
2429 dprintk("%s: uid=%d\n", __FUNCTION__, (int)*uid);
2433 static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_client *clp, int32_t *gid)
2438 if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER_GROUP - 1U)))
2440 if (likely(bitmap[1] & FATTR4_WORD1_OWNER_GROUP)) {
2444 if (len < XDR_MAX_NETOBJ) {
2445 if (nfs_map_group_to_gid(clp, (char *)p, len, gid) != 0)
2446 dprintk("%s: nfs_map_group_to_gid failed!\n",
2449 printk(KERN_WARNING "%s: name too long (%u)!\n",
2451 bitmap[1] &= ~FATTR4_WORD1_OWNER_GROUP;
2453 dprintk("%s: gid=%d\n", __FUNCTION__, (int)*gid);
2457 static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rdev)
2459 uint32_t major = 0, minor = 0, *p;
2462 if (unlikely(bitmap[1] & (FATTR4_WORD1_RAWDEV - 1U)))
2464 if (likely(bitmap[1] & FATTR4_WORD1_RAWDEV)) {
2470 tmp = MKDEV(major, minor);
2471 if (MAJOR(tmp) == major && MINOR(tmp) == minor)
2473 bitmap[1] &= ~ FATTR4_WORD1_RAWDEV;
2475 dprintk("%s: rdev=(0x%x:0x%x)\n", __FUNCTION__, major, minor);
2479 static int decode_attr_space_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
2485 if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_AVAIL - 1U)))
2487 if (likely(bitmap[1] & FATTR4_WORD1_SPACE_AVAIL)) {
2490 bitmap[1] &= ~FATTR4_WORD1_SPACE_AVAIL;
2492 dprintk("%s: space avail=%Lu\n", __FUNCTION__, (unsigned long long)*res);
2496 static int decode_attr_space_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
2502 if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_FREE - 1U)))
2504 if (likely(bitmap[1] & FATTR4_WORD1_SPACE_FREE)) {
2507 bitmap[1] &= ~FATTR4_WORD1_SPACE_FREE;
2509 dprintk("%s: space free=%Lu\n", __FUNCTION__, (unsigned long long)*res);
2513 static int decode_attr_space_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
2519 if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_TOTAL - 1U)))
2521 if (likely(bitmap[1] & FATTR4_WORD1_SPACE_TOTAL)) {
2524 bitmap[1] &= ~FATTR4_WORD1_SPACE_TOTAL;
2526 dprintk("%s: space total=%Lu\n", __FUNCTION__, (unsigned long long)*res);
2530 static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *used)
2535 if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_USED - 1U)))
2537 if (likely(bitmap[1] & FATTR4_WORD1_SPACE_USED)) {
2540 bitmap[1] &= ~FATTR4_WORD1_SPACE_USED;
2542 dprintk("%s: space used=%Lu\n", __FUNCTION__,
2543 (unsigned long long)*used);
2547 static int decode_attr_time(struct xdr_stream *xdr, struct timespec *time)
2556 time->tv_sec = (time_t)sec;
2557 time->tv_nsec = (long)nsec;
2561 static int decode_attr_time_access(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time)
2567 if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_ACCESS - 1U)))
2569 if (likely(bitmap[1] & FATTR4_WORD1_TIME_ACCESS)) {
2570 status = decode_attr_time(xdr, time);
2571 bitmap[1] &= ~FATTR4_WORD1_TIME_ACCESS;
2573 dprintk("%s: atime=%ld\n", __FUNCTION__, (long)time->tv_sec);
2577 static int decode_attr_time_metadata(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time)
2583 if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_METADATA - 1U)))
2585 if (likely(bitmap[1] & FATTR4_WORD1_TIME_METADATA)) {
2586 status = decode_attr_time(xdr, time);
2587 bitmap[1] &= ~FATTR4_WORD1_TIME_METADATA;
2589 dprintk("%s: ctime=%ld\n", __FUNCTION__, (long)time->tv_sec);
2593 static int decode_attr_time_modify(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time)
2599 if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_MODIFY - 1U)))
2601 if (likely(bitmap[1] & FATTR4_WORD1_TIME_MODIFY)) {
2602 status = decode_attr_time(xdr, time);
2603 bitmap[1] &= ~FATTR4_WORD1_TIME_MODIFY;
2605 dprintk("%s: mtime=%ld\n", __FUNCTION__, (long)time->tv_sec);
2609 static int verify_attr_len(struct xdr_stream *xdr, uint32_t *savep, uint32_t attrlen)
2611 unsigned int attrwords = XDR_QUADLEN(attrlen);
2612 unsigned int nwords = xdr->p - savep;
2614 if (unlikely(attrwords != nwords)) {
2615 printk(KERN_WARNING "%s: server returned incorrect attribute length: %u %c %u\n",
2618 (attrwords < nwords) ? '<' : '>',
2625 static int decode_change_info(struct xdr_stream *xdr, struct nfs4_change_info *cinfo)
2630 READ32(cinfo->atomic);
2631 READ64(cinfo->before);
2632 READ64(cinfo->after);
2636 static int decode_access(struct xdr_stream *xdr, struct nfs4_accessres *access)
2642 status = decode_op_hdr(xdr, OP_ACCESS);
2648 access->supported = supp;
2649 access->access = acc;
2653 static int decode_close(struct xdr_stream *xdr, struct nfs_closeres *res)
2658 status = decode_op_hdr(xdr, OP_CLOSE);
2661 READ_BUF(sizeof(res->stateid.data));
2662 COPYMEM(res->stateid.data, sizeof(res->stateid.data));
2666 static int decode_commit(struct xdr_stream *xdr, struct nfs_writeres *res)
2671 status = decode_op_hdr(xdr, OP_COMMIT);
2675 COPYMEM(res->verf->verifier, 8);
2679 static int decode_create(struct xdr_stream *xdr, struct nfs4_change_info *cinfo)
2685 status = decode_op_hdr(xdr, OP_CREATE);
2688 if ((status = decode_change_info(xdr, cinfo)))
2692 READ_BUF(bmlen << 2);
2696 static int decode_server_caps(struct xdr_stream *xdr, struct nfs4_server_caps_res *res)
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)
2709 if ((status = decode_attr_supported(xdr, bitmap, res->attr_bitmask)) != 0)
2711 if ((status = decode_attr_link_support(xdr, bitmap, &res->has_links)) != 0)
2713 if ((status = decode_attr_symlink_support(xdr, bitmap, &res->has_symlinks)) != 0)
2715 if ((status = decode_attr_aclsupport(xdr, bitmap, &res->acl_bitmask)) != 0)
2717 status = verify_attr_len(xdr, savep, attrlen);
2720 printk(KERN_NOTICE "%s: xdr error %d!\n", __FUNCTION__, -status);
2724 static int decode_statfs(struct xdr_stream *xdr, struct nfs_fsstat *fsstat)
2731 if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0)
2733 if ((status = decode_attr_bitmap(xdr, bitmap)) != 0)
2735 if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0)
2738 if ((status = decode_attr_files_avail(xdr, bitmap, &fsstat->afiles)) != 0)
2740 if ((status = decode_attr_files_free(xdr, bitmap, &fsstat->ffiles)) != 0)
2742 if ((status = decode_attr_files_total(xdr, bitmap, &fsstat->tfiles)) != 0)
2744 if ((status = decode_attr_space_avail(xdr, bitmap, &fsstat->abytes)) != 0)
2746 if ((status = decode_attr_space_free(xdr, bitmap, &fsstat->fbytes)) != 0)
2748 if ((status = decode_attr_space_total(xdr, bitmap, &fsstat->tbytes)) != 0)
2751 status = verify_attr_len(xdr, savep, attrlen);
2754 printk(KERN_NOTICE "%s: xdr error %d!\n", __FUNCTION__, -status);
2758 static int decode_pathconf(struct xdr_stream *xdr, struct nfs_pathconf *pathconf)
2765 if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0)
2767 if ((status = decode_attr_bitmap(xdr, bitmap)) != 0)
2769 if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0)
2772 if ((status = decode_attr_maxlink(xdr, bitmap, &pathconf->max_link)) != 0)
2774 if ((status = decode_attr_maxname(xdr, bitmap, &pathconf->max_namelen)) != 0)
2777 status = verify_attr_len(xdr, savep, attrlen);
2780 printk(KERN_NOTICE "%s: xdr error %d!\n", __FUNCTION__, -status);
2784 static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr, const struct nfs_server *server)
2790 int status, fmode = 0;
2792 if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0)
2794 if ((status = decode_attr_bitmap(xdr, bitmap)) != 0)
2797 fattr->bitmap[0] = bitmap[0];
2798 fattr->bitmap[1] = bitmap[1];
2800 if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0)
2804 if ((status = decode_attr_type(xdr, bitmap, &type)) != 0)
2806 fattr->type = nfs_type2fmt[type].nfs2type;
2807 fmode = nfs_type2fmt[type].mode;
2809 if ((status = decode_attr_change(xdr, bitmap, &fattr->change_attr)) != 0)
2811 if ((status = decode_attr_size(xdr, bitmap, &fattr->size)) != 0)
2813 if ((status = decode_attr_fsid(xdr, bitmap, &fattr->fsid_u.nfs4)) != 0)
2815 if ((status = decode_attr_fileid(xdr, bitmap, &fattr->fileid)) != 0)
2817 if ((status = decode_attr_mode(xdr, bitmap, &fattr->mode)) != 0)
2819 fattr->mode |= fmode;
2820 if ((status = decode_attr_nlink(xdr, bitmap, &fattr->nlink)) != 0)
2822 if ((status = decode_attr_owner(xdr, bitmap, server->nfs4_state, &fattr->uid)) != 0)
2824 if ((status = decode_attr_group(xdr, bitmap, server->nfs4_state, &fattr->gid)) != 0)
2826 if ((status = decode_attr_rdev(xdr, bitmap, &fattr->rdev)) != 0)
2828 if ((status = decode_attr_space_used(xdr, bitmap, &fattr->du.nfs3.used)) != 0)
2830 if ((status = decode_attr_time_access(xdr, bitmap, &fattr->atime)) != 0)
2832 if ((status = decode_attr_time_metadata(xdr, bitmap, &fattr->ctime)) != 0)
2834 if ((status = decode_attr_time_modify(xdr, bitmap, &fattr->mtime)) != 0)
2836 if ((status = verify_attr_len(xdr, savep, attrlen)) == 0)
2837 fattr->valid = NFS_ATTR_FATTR | NFS_ATTR_FATTR_V3 | NFS_ATTR_FATTR_V4;
2840 printk(KERN_NOTICE "%s: xdr error %d!\n", __FUNCTION__, -status);
2845 static int decode_fsinfo(struct xdr_stream *xdr, struct nfs_fsinfo *fsinfo)
2848 uint32_t attrlen, bitmap[2];
2851 if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0)
2853 if ((status = decode_attr_bitmap(xdr, bitmap)) != 0)
2855 if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0)
2858 fsinfo->rtmult = fsinfo->wtmult = 512; /* ??? */
2860 if ((status = decode_attr_lease_time(xdr, bitmap, &fsinfo->lease_time)) != 0)
2862 if ((status = decode_attr_maxfilesize(xdr, bitmap, &fsinfo->maxfilesize)) != 0)
2864 if ((status = decode_attr_maxread(xdr, bitmap, &fsinfo->rtmax)) != 0)
2866 fsinfo->rtpref = fsinfo->dtpref = fsinfo->rtmax;
2867 if ((status = decode_attr_maxwrite(xdr, bitmap, &fsinfo->wtmax)) != 0)
2869 fsinfo->wtpref = fsinfo->wtmax;
2871 status = verify_attr_len(xdr, savep, attrlen);
2874 printk(KERN_NOTICE "%s: xdr error %d!\n", __FUNCTION__, -status);
2878 static int decode_getfh(struct xdr_stream *xdr, struct nfs_fh *fh)
2884 status = decode_op_hdr(xdr, OP_GETFH);
2887 /* Zero handle first to allow comparisons */
2888 memset(fh, 0, sizeof(*fh));
2892 if (len > NFS4_FHSIZE)
2896 COPYMEM(fh->data, len);
2900 static int decode_link(struct xdr_stream *xdr, struct nfs4_change_info *cinfo)
2904 status = decode_op_hdr(xdr, OP_LINK);
2907 return decode_change_info(xdr, cinfo);
2911 * We create the owner, so we know a proper owner.id length is 4.
2913 static int decode_lock_denied (struct xdr_stream *xdr, struct nfs_lock_denied *denied)
2919 READ64(denied->offset);
2920 READ64(denied->length);
2921 READ32(denied->type);
2922 READ64(denied->owner.clientid);
2926 READ32(denied->owner.id);
2927 return -NFS4ERR_DENIED;
2930 static int decode_lock(struct xdr_stream *xdr, struct nfs_lockres *res)
2935 status = decode_op_hdr(xdr, OP_LOCK);
2937 READ_BUF(sizeof(res->u.stateid.data));
2938 COPYMEM(res->u.stateid.data, sizeof(res->u.stateid.data));
2939 } else if (status == -NFS4ERR_DENIED)
2940 return decode_lock_denied(xdr, &res->u.denied);
2944 static int decode_lockt(struct xdr_stream *xdr, struct nfs_lockres *res)
2947 status = decode_op_hdr(xdr, OP_LOCKT);
2948 if (status == -NFS4ERR_DENIED)
2949 return decode_lock_denied(xdr, &res->u.denied);
2953 static int decode_locku(struct xdr_stream *xdr, struct nfs_lockres *res)
2958 status = decode_op_hdr(xdr, OP_LOCKU);
2960 READ_BUF(sizeof(res->u.stateid.data));
2961 COPYMEM(res->u.stateid.data, sizeof(res->u.stateid.data));
2966 static int decode_lookup(struct xdr_stream *xdr)
2968 return decode_op_hdr(xdr, OP_LOOKUP);
2971 /* This is too sick! */
2972 static int decode_space_limit(struct xdr_stream *xdr, u64 *maxsize)
2975 uint32_t limit_type, nblocks, blocksize;
2979 switch (limit_type) {
2986 *maxsize = (uint64_t)nblocks * (uint64_t)blocksize;
2991 static int decode_delegation(struct xdr_stream *xdr, struct nfs_openres *res)
2994 uint32_t delegation_type;
2997 READ32(delegation_type);
2998 if (delegation_type == NFS4_OPEN_DELEGATE_NONE) {
2999 res->delegation_type = 0;
3003 COPYMEM(res->delegation.data, sizeof(res->delegation.data));
3004 READ32(res->do_recall);
3005 switch (delegation_type) {
3006 case NFS4_OPEN_DELEGATE_READ:
3007 res->delegation_type = FMODE_READ;
3009 case NFS4_OPEN_DELEGATE_WRITE:
3010 res->delegation_type = FMODE_WRITE|FMODE_READ;
3011 if (decode_space_limit(xdr, &res->maxsize) < 0)
3014 return decode_ace(xdr, NULL, res->server->nfs4_state);
3017 static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res)
3023 status = decode_op_hdr(xdr, OP_OPEN);
3026 READ_BUF(sizeof(res->stateid.data));
3027 COPYMEM(res->stateid.data, sizeof(res->stateid.data));
3029 decode_change_info(xdr, &res->cinfo);
3032 READ32(res->rflags);
3037 READ_BUF(bmlen << 2);
3039 return decode_delegation(xdr, res);
3041 printk(KERN_NOTICE "%s: xdr error!\n", __FUNCTION__);
3045 static int decode_open_confirm(struct xdr_stream *xdr, struct nfs_open_confirmres *res)
3050 status = decode_op_hdr(xdr, OP_OPEN_CONFIRM);
3053 READ_BUF(sizeof(res->stateid.data));
3054 COPYMEM(res->stateid.data, sizeof(res->stateid.data));
3058 static int decode_open_downgrade(struct xdr_stream *xdr, struct nfs_closeres *res)
3063 status = decode_op_hdr(xdr, OP_OPEN_DOWNGRADE);
3066 READ_BUF(sizeof(res->stateid.data));
3067 COPYMEM(res->stateid.data, sizeof(res->stateid.data));
3071 static int decode_putfh(struct xdr_stream *xdr)
3073 return decode_op_hdr(xdr, OP_PUTFH);
3076 static int decode_putrootfh(struct xdr_stream *xdr)
3078 return decode_op_hdr(xdr, OP_PUTROOTFH);
3081 static int decode_read(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs_readres *res)
3083 struct kvec *iov = req->rq_rcv_buf.head;
3085 uint32_t count, eof, recvd, hdrlen;
3088 status = decode_op_hdr(xdr, OP_READ);
3094 hdrlen = (u8 *) p - (u8 *) iov->iov_base;
3095 recvd = req->rq_rcv_buf.len - hdrlen;
3096 if (count > recvd) {
3097 printk(KERN_WARNING "NFS: server cheating in read reply: "
3098 "count %u > recvd %u\n", count, recvd);
3102 xdr_read_pages(xdr, count);
3108 static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs4_readdir_res *readdir)
3110 struct xdr_buf *rcvbuf = &req->rq_rcv_buf;
3111 struct page *page = *rcvbuf->pages;
3112 struct kvec *iov = rcvbuf->head;
3113 unsigned int nr, pglen = rcvbuf->page_len;
3114 uint32_t *end, *entry, *p, *kaddr;
3115 uint32_t len, attrlen;
3116 int hdrlen, recvd, status;
3118 status = decode_op_hdr(xdr, OP_READDIR);
3122 COPYMEM(readdir->verifier.data, 8);
3123 dprintk("%s: verifier = 0x%x%x\n",
3125 ((u32 *)readdir->verifier.data)[0],
3126 ((u32 *)readdir->verifier.data)[1]);
3129 hdrlen = (char *) p - (char *) iov->iov_base;
3130 recvd = rcvbuf->len - hdrlen;
3133 xdr_read_pages(xdr, pglen);
3135 BUG_ON(pglen + readdir->pgbase > PAGE_CACHE_SIZE);
3136 kaddr = p = (uint32_t *) kmap_atomic(page, KM_USER0);
3137 end = (uint32_t *) ((char *)p + pglen + readdir->pgbase);
3139 for (nr = 0; *p++; nr++) {
3142 dprintk("cookie = %Lu, ", *((unsigned long long *)p));
3143 p += 2; /* cookie */
3144 len = ntohl(*p++); /* filename length */
3145 if (len > NFS4_MAXNAMLEN) {
3146 printk(KERN_WARNING "NFS: giant filename in readdir (len 0x%x)\n", len);
3149 dprintk("filename = %*s\n", len, (char *)p);
3150 p += XDR_QUADLEN(len);
3153 len = ntohl(*p++); /* bitmap length */
3157 attrlen = XDR_QUADLEN(ntohl(*p++));
3158 p += attrlen; /* attributes */
3163 if (!nr && (entry[0] != 0 || entry[1] == 0))
3166 kunmap_atomic(kaddr, KM_USER0);
3169 dprintk("%s: short packet at entry %d\n", __FUNCTION__, nr);
3170 entry[0] = entry[1] = 0;
3171 /* truncate listing ? */
3173 printk(KERN_NOTICE "NFS: readdir reply truncated!\n");
3178 kunmap_atomic(kaddr, KM_USER0);
3179 return -errno_NFSERR_IO;
3182 static int decode_readlink(struct xdr_stream *xdr, struct rpc_rqst *req)
3184 struct xdr_buf *rcvbuf = &req->rq_rcv_buf;
3185 struct kvec *iov = rcvbuf->head;
3186 int hdrlen, len, recvd;
3191 status = decode_op_hdr(xdr, OP_READLINK);
3195 /* Convert length of symlink */
3198 if (len >= rcvbuf->page_len || len <= 0) {
3199 dprintk(KERN_WARNING "nfs: server returned giant symlink!\n");
3200 return -ENAMETOOLONG;
3202 hdrlen = (char *) xdr->p - (char *) iov->iov_base;
3203 recvd = req->rq_rcv_buf.len - hdrlen;
3205 printk(KERN_WARNING "NFS: server cheating in readlink reply: "
3206 "count %u > recvd %u\n", len, recvd);
3209 xdr_read_pages(xdr, len);
3211 * The XDR encode routine has set things up so that
3212 * the link text will be copied directly into the
3213 * buffer. We just have to do overflow-checking,
3214 * and and null-terminate the text (the VFS expects
3215 * null-termination).
3217 kaddr = (char *)kmap_atomic(rcvbuf->pages[0], KM_USER0);
3218 kaddr[len+rcvbuf->page_base] = '\0';
3219 kunmap_atomic(kaddr, KM_USER0);
3223 static int decode_remove(struct xdr_stream *xdr, struct nfs4_change_info *cinfo)
3227 status = decode_op_hdr(xdr, OP_REMOVE);
3230 status = decode_change_info(xdr, cinfo);
3235 static int decode_rename(struct xdr_stream *xdr, struct nfs4_change_info *old_cinfo,
3236 struct nfs4_change_info *new_cinfo)
3240 status = decode_op_hdr(xdr, OP_RENAME);
3243 if ((status = decode_change_info(xdr, old_cinfo)))
3245 status = decode_change_info(xdr, new_cinfo);
3250 static int decode_renew(struct xdr_stream *xdr)
3252 return decode_op_hdr(xdr, OP_RENEW);
3256 decode_restorefh(struct xdr_stream *xdr)
3258 return decode_op_hdr(xdr, OP_RESTOREFH);
3261 static int decode_getacl(struct xdr_stream *xdr, struct rpc_rqst *req,
3267 struct kvec *iov = req->rq_rcv_buf.head;
3271 if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0)
3273 if ((status = decode_attr_bitmap(xdr, bitmap)) != 0)
3275 if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0)
3278 if (unlikely(bitmap[0] & (FATTR4_WORD0_ACL - 1U)))
3280 if (likely(bitmap[0] & FATTR4_WORD0_ACL)) {
3283 /* We ignore &savep and don't do consistency checks on
3284 * the attr length. Let userspace figure it out.... */
3285 hdrlen = (u8 *)xdr->p - (u8 *)iov->iov_base;
3286 recvd = req->rq_rcv_buf.len - hdrlen;
3287 if (attrlen > recvd) {
3288 printk(KERN_WARNING "NFS: server cheating in getattr"
3289 " acl reply: attrlen %u > recvd %u\n",
3293 if (attrlen <= *acl_len)
3294 xdr_read_pages(xdr, attrlen);
3297 status = -EOPNOTSUPP;
3304 decode_savefh(struct xdr_stream *xdr)
3306 return decode_op_hdr(xdr, OP_SAVEFH);
3309 static int decode_setattr(struct xdr_stream *xdr, struct nfs_setattrres *res)
3316 status = decode_op_hdr(xdr, OP_SETATTR);
3321 READ_BUF(bmlen << 2);
3325 static int decode_setclientid(struct xdr_stream *xdr, struct nfs4_client *clp)
3333 if (opnum != OP_SETCLIENTID) {
3335 "nfs4_decode_setclientid: Server returned operation"
3340 if (nfserr == NFS_OK) {
3341 READ_BUF(8 + sizeof(clp->cl_confirm.data));
3342 READ64(clp->cl_clientid);
3343 COPYMEM(clp->cl_confirm.data, sizeof(clp->cl_confirm.data));
3344 } else if (nfserr == NFSERR_CLID_INUSE) {
3347 /* skip netid string */
3352 /* skip uaddr string */
3356 return -NFSERR_CLID_INUSE;
3358 return -nfs_stat_to_errno(nfserr);
3363 static int decode_setclientid_confirm(struct xdr_stream *xdr)
3365 return decode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM);
3368 static int decode_write(struct xdr_stream *xdr, struct nfs_writeres *res)
3373 status = decode_op_hdr(xdr, OP_WRITE);
3379 READ32(res->verf->committed);
3380 COPYMEM(res->verf->verifier, 8);
3384 static int decode_delegreturn(struct xdr_stream *xdr)
3386 return decode_op_hdr(xdr, OP_DELEGRETURN);
3390 * Decode OPEN_DOWNGRADE response
3392 static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_closeres *res)
3394 struct xdr_stream xdr;
3395 struct compound_hdr hdr;
3398 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3399 status = decode_compound_hdr(&xdr, &hdr);
3402 status = decode_putfh(&xdr);
3405 status = decode_open_downgrade(&xdr, res);
3411 * END OF "GENERIC" DECODE ROUTINES.
3415 * Decode ACCESS response
3417 static int nfs4_xdr_dec_access(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_accessres *res)
3419 struct xdr_stream xdr;
3420 struct compound_hdr hdr;
3423 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3424 if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
3426 if ((status = decode_putfh(&xdr)) == 0)
3427 status = decode_access(&xdr, res);
3433 * Decode LOOKUP response
3435 static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_lookup_res *res)
3437 struct xdr_stream xdr;
3438 struct compound_hdr hdr;
3441 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3442 if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
3444 if ((status = decode_putfh(&xdr)) != 0)
3446 if ((status = decode_lookup(&xdr)) != 0)
3448 if ((status = decode_getfh(&xdr, res->fh)) != 0)
3450 status = decode_getfattr(&xdr, res->fattr, res->server);
3456 * Decode LOOKUP_ROOT response
3458 static int nfs4_xdr_dec_lookup_root(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_lookup_res *res)
3460 struct xdr_stream xdr;
3461 struct compound_hdr hdr;
3464 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3465 if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
3467 if ((status = decode_putrootfh(&xdr)) != 0)
3469 if ((status = decode_getfh(&xdr, res->fh)) == 0)
3470 status = decode_getfattr(&xdr, res->fattr, res->server);
3476 * Decode REMOVE response
3478 static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_change_info *cinfo)
3480 struct xdr_stream xdr;
3481 struct compound_hdr hdr;
3484 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3485 if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
3487 if ((status = decode_putfh(&xdr)) == 0)
3488 status = decode_remove(&xdr, cinfo);
3494 * Decode RENAME response
3496 static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_rename_res *res)
3498 struct xdr_stream xdr;
3499 struct compound_hdr hdr;
3502 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3503 if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
3505 if ((status = decode_putfh(&xdr)) != 0)
3507 if ((status = decode_savefh(&xdr)) != 0)
3509 if ((status = decode_putfh(&xdr)) != 0)
3511 status = decode_rename(&xdr, &res->old_cinfo, &res->new_cinfo);
3517 * Decode LINK response
3519 static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_change_info *cinfo)
3521 struct xdr_stream xdr;
3522 struct compound_hdr hdr;
3525 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3526 if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
3528 if ((status = decode_putfh(&xdr)) != 0)
3530 if ((status = decode_savefh(&xdr)) != 0)
3532 if ((status = decode_putfh(&xdr)) != 0)
3534 status = decode_link(&xdr, cinfo);
3540 * Decode CREATE response
3542 static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_create_res *res)
3544 struct xdr_stream xdr;
3545 struct compound_hdr hdr;
3548 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3549 if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
3551 if ((status = decode_putfh(&xdr)) != 0)
3553 if ((status = decode_savefh(&xdr)) != 0)
3555 if ((status = decode_create(&xdr,&res->dir_cinfo)) != 0)
3557 if ((status = decode_getfh(&xdr, res->fh)) != 0)
3559 if (decode_getfattr(&xdr, res->fattr, res->server) != 0)
3561 if ((status = decode_restorefh(&xdr)) != 0)
3563 decode_getfattr(&xdr, res->dir_fattr, res->server);
3569 * Decode SYMLINK response
3571 static int nfs4_xdr_dec_symlink(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_create_res *res)
3573 return nfs4_xdr_dec_create(rqstp, p, res);
3577 * Decode GETATTR response
3579 static int nfs4_xdr_dec_getattr(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_getattr_res *res)
3581 struct xdr_stream xdr;
3582 struct compound_hdr hdr;
3585 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3586 status = decode_compound_hdr(&xdr, &hdr);
3589 status = decode_putfh(&xdr);
3592 status = decode_getfattr(&xdr, res->fattr, res->server);
3599 * Encode an SETACL request
3602 nfs4_xdr_enc_setacl(struct rpc_rqst *req, uint32_t *p, struct nfs_setaclargs *args)
3604 struct xdr_stream xdr;
3605 struct compound_hdr hdr = {
3610 xdr_init_encode(&xdr, &req->rq_snd_buf, p);
3611 encode_compound_hdr(&xdr, &hdr);
3612 status = encode_putfh(&xdr, args->fh);
3615 status = encode_setacl(&xdr, args);
3620 * Decode SETACL response
3623 nfs4_xdr_dec_setacl(struct rpc_rqst *rqstp, uint32_t *p, void *res)
3625 struct xdr_stream xdr;
3626 struct compound_hdr hdr;
3629 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3630 status = decode_compound_hdr(&xdr, &hdr);
3633 status = decode_putfh(&xdr);
3636 status = decode_setattr(&xdr, res);
3642 * Decode GETACL response
3645 nfs4_xdr_dec_getacl(struct rpc_rqst *rqstp, uint32_t *p, size_t *acl_len)
3647 struct xdr_stream xdr;
3648 struct compound_hdr hdr;
3651 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3652 status = decode_compound_hdr(&xdr, &hdr);
3655 status = decode_putfh(&xdr);
3658 status = decode_getacl(&xdr, rqstp, acl_len);
3665 * Decode CLOSE response
3667 static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_closeres *res)
3669 struct xdr_stream xdr;
3670 struct compound_hdr hdr;
3673 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3674 status = decode_compound_hdr(&xdr, &hdr);
3677 status = decode_putfh(&xdr);
3680 status = decode_close(&xdr, res);
3686 * Decode OPEN response
3688 static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_openres *res)
3690 struct xdr_stream xdr;
3691 struct compound_hdr hdr;
3694 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3695 status = decode_compound_hdr(&xdr, &hdr);
3698 status = decode_putfh(&xdr);
3701 status = decode_savefh(&xdr);
3704 status = decode_open(&xdr, res);
3707 status = decode_getfh(&xdr, &res->fh);
3710 if (decode_getfattr(&xdr, res->f_attr, res->server) != 0)
3712 if ((status = decode_restorefh(&xdr)) != 0)
3714 decode_getfattr(&xdr, res->dir_attr, res->server);
3720 * Decode OPEN_CONFIRM response
3722 static int nfs4_xdr_dec_open_confirm(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_open_confirmres *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_open_confirm(&xdr, res);
3741 * Decode OPEN response
3743 static int nfs4_xdr_dec_open_noattr(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_openres *res)
3745 struct xdr_stream xdr;
3746 struct compound_hdr hdr;
3749 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3750 status = decode_compound_hdr(&xdr, &hdr);
3753 status = decode_putfh(&xdr);
3756 status = decode_open(&xdr, res);
3762 * Decode SETATTR response
3764 static int nfs4_xdr_dec_setattr(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_setattrres *res)
3766 struct xdr_stream xdr;
3767 struct compound_hdr hdr;
3770 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3771 status = decode_compound_hdr(&xdr, &hdr);
3774 status = decode_putfh(&xdr);
3777 status = decode_setattr(&xdr, res);
3780 status = decode_getfattr(&xdr, res->fattr, res->server);
3781 if (status == NFS4ERR_DELAY)
3788 * Decode LOCK response
3790 static int nfs4_xdr_dec_lock(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_lock(&xdr, res);
3809 * Decode LOCKT response
3811 static int nfs4_xdr_dec_lockt(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_lockres *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_lockt(&xdr, res);
3830 * Decode LOCKU response
3832 static int nfs4_xdr_dec_locku(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_lockres *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_locku(&xdr, res);
3851 * Decode READLINK response
3853 static int nfs4_xdr_dec_readlink(struct rpc_rqst *rqstp, uint32_t *p, void *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_readlink(&xdr, rqstp);
3872 * Decode READDIR response
3874 static int nfs4_xdr_dec_readdir(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_readdir_res *res)
3876 struct xdr_stream xdr;
3877 struct compound_hdr hdr;
3880 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3881 status = decode_compound_hdr(&xdr, &hdr);
3884 status = decode_putfh(&xdr);
3887 status = decode_readdir(&xdr, rqstp, res);
3893 * Decode Read response
3895 static int nfs4_xdr_dec_read(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_readres *res)
3897 struct xdr_stream xdr;
3898 struct compound_hdr hdr;
3901 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3902 status = decode_compound_hdr(&xdr, &hdr);
3905 status = decode_putfh(&xdr);
3908 status = decode_read(&xdr, rqstp, res);
3910 status = res->count;
3916 * Decode WRITE response
3918 static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_writeres *res)
3920 struct xdr_stream xdr;
3921 struct compound_hdr hdr;
3924 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3925 status = decode_compound_hdr(&xdr, &hdr);
3928 status = decode_putfh(&xdr);
3931 status = decode_write(&xdr, res);
3933 status = res->count;
3939 * Decode COMMIT response
3941 static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_writeres *res)
3943 struct xdr_stream xdr;
3944 struct compound_hdr hdr;
3947 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
3948 status = decode_compound_hdr(&xdr, &hdr);
3951 status = decode_putfh(&xdr);
3954 status = decode_commit(&xdr, res);
3962 static int nfs4_xdr_dec_fsinfo(struct rpc_rqst *req, uint32_t *p, struct nfs_fsinfo *fsinfo)
3964 struct xdr_stream xdr;
3965 struct compound_hdr hdr;
3968 xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
3969 status = decode_compound_hdr(&xdr, &hdr);
3971 status = decode_putfh(&xdr);
3973 status = decode_fsinfo(&xdr, fsinfo);
3975 status = -nfs_stat_to_errno(hdr.status);
3982 static int nfs4_xdr_dec_pathconf(struct rpc_rqst *req, uint32_t *p, struct nfs_pathconf *pathconf)
3984 struct xdr_stream xdr;
3985 struct compound_hdr hdr;
3988 xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
3989 status = decode_compound_hdr(&xdr, &hdr);
3991 status = decode_putfh(&xdr);
3993 status = decode_pathconf(&xdr, pathconf);
4000 static int nfs4_xdr_dec_statfs(struct rpc_rqst *req, uint32_t *p, struct nfs_fsstat *fsstat)
4002 struct xdr_stream xdr;
4003 struct compound_hdr hdr;
4006 xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
4007 status = decode_compound_hdr(&xdr, &hdr);
4009 status = decode_putfh(&xdr);
4011 status = decode_statfs(&xdr, fsstat);
4016 * GETATTR_BITMAP request
4018 static int nfs4_xdr_dec_server_caps(struct rpc_rqst *req, uint32_t *p, struct nfs4_server_caps_res *res)
4020 struct xdr_stream xdr;
4021 struct compound_hdr hdr;
4024 xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
4025 if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
4027 if ((status = decode_putfh(&xdr)) != 0)
4029 status = decode_server_caps(&xdr, res);
4035 * Decode RENEW response
4037 static int nfs4_xdr_dec_renew(struct rpc_rqst *rqstp, uint32_t *p, void *dummy)
4039 struct xdr_stream xdr;
4040 struct compound_hdr hdr;
4043 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
4044 status = decode_compound_hdr(&xdr, &hdr);
4046 status = decode_renew(&xdr);
4051 * a SETCLIENTID request
4053 static int nfs4_xdr_dec_setclientid(struct rpc_rqst *req, uint32_t *p,
4054 struct nfs4_client *clp)
4056 struct xdr_stream xdr;
4057 struct compound_hdr hdr;
4060 xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
4061 status = decode_compound_hdr(&xdr, &hdr);
4063 status = decode_setclientid(&xdr, clp);
4065 status = -nfs_stat_to_errno(hdr.status);
4070 * a SETCLIENTID_CONFIRM request
4072 static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst *req, uint32_t *p, struct nfs_fsinfo *fsinfo)
4074 struct xdr_stream xdr;
4075 struct compound_hdr hdr;
4078 xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
4079 status = decode_compound_hdr(&xdr, &hdr);
4081 status = decode_setclientid_confirm(&xdr);
4083 status = decode_putrootfh(&xdr);
4085 status = decode_fsinfo(&xdr, fsinfo);
4087 status = -nfs_stat_to_errno(hdr.status);
4092 * DELEGRETURN request
4094 static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, uint32_t *p, void *dummy)
4096 struct xdr_stream xdr;
4097 struct compound_hdr hdr;
4100 xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
4101 status = decode_compound_hdr(&xdr, &hdr);
4103 status = decode_putfh(&xdr);
4105 status = decode_delegreturn(&xdr);
4110 uint32_t *nfs4_decode_dirent(uint32_t *p, struct nfs_entry *entry, int plus)
4112 uint32_t bitmap[2] = {0};
4117 return ERR_PTR(-EAGAIN);
4119 return ERR_PTR(-EBADCOOKIE);
4122 entry->prev_cookie = entry->cookie;
4123 p = xdr_decode_hyper(p, &entry->cookie);
4124 entry->len = ntohl(*p++);
4125 entry->name = (const char *) p;
4126 p += XDR_QUADLEN(entry->len);
4129 * In case the server doesn't return an inode number,
4130 * we fake one here. (We don't use inode number 0,
4131 * since glibc seems to choke on it...)
4135 len = ntohl(*p++); /* bitmap length */
4137 bitmap[0] = ntohl(*p++);
4139 bitmap[1] = ntohl(*p++);
4143 len = XDR_QUADLEN(ntohl(*p++)); /* attribute buffer length */
4145 if (bitmap[0] & FATTR4_WORD0_RDATTR_ERROR) {
4146 bitmap[0] &= ~FATTR4_WORD0_RDATTR_ERROR;
4147 /* Ignore the return value of rdattr_error for now */
4151 if (bitmap[0] == 0 && bitmap[1] == FATTR4_WORD1_MOUNTED_ON_FILEID)
4152 xdr_decode_hyper(p, &entry->ino);
4153 else if (bitmap[0] == FATTR4_WORD0_FILEID)
4154 xdr_decode_hyper(p, &entry->ino);
4158 entry->eof = !p[0] && p[1];
4163 * We need to translate between nfs status return values and
4164 * the local errno values which may not be the same.
4171 { NFS4ERR_PERM, EPERM },
4172 { NFS4ERR_NOENT, ENOENT },
4173 { NFS4ERR_IO, errno_NFSERR_IO },
4174 { NFS4ERR_NXIO, ENXIO },
4175 { NFS4ERR_ACCESS, EACCES },
4176 { NFS4ERR_EXIST, EEXIST },
4177 { NFS4ERR_XDEV, EXDEV },
4178 { NFS4ERR_NOTDIR, ENOTDIR },
4179 { NFS4ERR_ISDIR, EISDIR },
4180 { NFS4ERR_INVAL, EINVAL },
4181 { NFS4ERR_FBIG, EFBIG },
4182 { NFS4ERR_NOSPC, ENOSPC },
4183 { NFS4ERR_ROFS, EROFS },
4184 { NFS4ERR_MLINK, EMLINK },
4185 { NFS4ERR_NAMETOOLONG, ENAMETOOLONG },
4186 { NFS4ERR_NOTEMPTY, ENOTEMPTY },
4187 { NFS4ERR_DQUOT, EDQUOT },
4188 { NFS4ERR_STALE, ESTALE },
4189 { NFS4ERR_BADHANDLE, EBADHANDLE },
4190 { NFS4ERR_BADOWNER, EINVAL },
4191 { NFS4ERR_BADNAME, EINVAL },
4192 { NFS4ERR_BAD_COOKIE, EBADCOOKIE },
4193 { NFS4ERR_NOTSUPP, ENOTSUPP },
4194 { NFS4ERR_TOOSMALL, ETOOSMALL },
4195 { NFS4ERR_SERVERFAULT, ESERVERFAULT },
4196 { NFS4ERR_BADTYPE, EBADTYPE },
4197 { NFS4ERR_LOCKED, EAGAIN },
4198 { NFS4ERR_RESOURCE, EREMOTEIO },
4199 { NFS4ERR_SYMLINK, ELOOP },
4200 { NFS4ERR_OP_ILLEGAL, EOPNOTSUPP },
4201 { NFS4ERR_DEADLOCK, EDEADLK },
4202 { NFS4ERR_WRONGSEC, EPERM }, /* FIXME: this needs
4203 * to be handled by a
4210 * Convert an NFS error code to a local one.
4211 * This one is used jointly by NFSv2 and NFSv3.
4214 nfs_stat_to_errno(int stat)
4217 for (i = 0; nfs_errtbl[i].stat != -1; i++) {
4218 if (nfs_errtbl[i].stat == stat)
4219 return nfs_errtbl[i].errno;
4221 if (stat <= 10000 || stat > 10100) {
4222 /* The server is looney tunes. */
4223 return ESERVERFAULT;
4225 /* If we cannot translate the error, the recovery routines should
4227 * Note: remaining NFSv4 error codes have values > 10000, so should
4228 * not conflict with native Linux error codes.
4234 # define MAX(a, b) (((a) > (b))? (a) : (b))
4237 #define PROC(proc, argtype, restype) \
4238 [NFSPROC4_CLNT_##proc] = { \
4239 .p_proc = NFSPROC4_COMPOUND, \
4240 .p_encode = (kxdrproc_t) nfs4_xdr_##argtype, \
4241 .p_decode = (kxdrproc_t) nfs4_xdr_##restype, \
4242 .p_bufsiz = MAX(NFS4_##argtype##_sz,NFS4_##restype##_sz) << 2, \
4245 struct rpc_procinfo nfs4_procedures[] = {
4246 PROC(READ, enc_read, dec_read),
4247 PROC(WRITE, enc_write, dec_write),
4248 PROC(COMMIT, enc_commit, dec_commit),
4249 PROC(OPEN, enc_open, dec_open),
4250 PROC(OPEN_CONFIRM, enc_open_confirm, dec_open_confirm),
4251 PROC(OPEN_NOATTR, enc_open_noattr, dec_open_noattr),
4252 PROC(OPEN_DOWNGRADE, enc_open_downgrade, dec_open_downgrade),
4253 PROC(CLOSE, enc_close, dec_close),
4254 PROC(SETATTR, enc_setattr, dec_setattr),
4255 PROC(FSINFO, enc_fsinfo, dec_fsinfo),
4256 PROC(RENEW, enc_renew, dec_renew),
4257 PROC(SETCLIENTID, enc_setclientid, dec_setclientid),
4258 PROC(SETCLIENTID_CONFIRM, enc_setclientid_confirm, dec_setclientid_confirm),
4259 PROC(LOCK, enc_lock, dec_lock),
4260 PROC(LOCKT, enc_lockt, dec_lockt),
4261 PROC(LOCKU, enc_locku, dec_locku),
4262 PROC(ACCESS, enc_access, dec_access),
4263 PROC(GETATTR, enc_getattr, dec_getattr),
4264 PROC(LOOKUP, enc_lookup, dec_lookup),
4265 PROC(LOOKUP_ROOT, enc_lookup_root, dec_lookup_root),
4266 PROC(REMOVE, enc_remove, dec_remove),
4267 PROC(RENAME, enc_rename, dec_rename),
4268 PROC(LINK, enc_link, dec_link),
4269 PROC(SYMLINK, enc_symlink, dec_symlink),
4270 PROC(CREATE, enc_create, dec_create),
4271 PROC(PATHCONF, enc_pathconf, dec_pathconf),
4272 PROC(STATFS, enc_statfs, dec_statfs),
4273 PROC(READLINK, enc_readlink, dec_readlink),
4274 PROC(READDIR, enc_readdir, dec_readdir),
4275 PROC(SERVER_CAPS, enc_server_caps, dec_server_caps),
4276 PROC(DELEGRETURN, enc_delegreturn, dec_delegreturn),
4277 PROC(GETACL, enc_getacl, dec_getacl),
4278 PROC(SETACL, enc_setacl, dec_setacl),
4281 struct rpc_version nfs_version4 = {
4283 .nrprocs = sizeof(nfs4_procedures)/sizeof(nfs4_procedures[0]),
4284 .procs = nfs4_procedures