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/errno.h>
42 #include <linux/string.h>
44 #include <linux/pagemap.h>
45 #include <linux/proc_fs.h>
46 #include <linux/kdev_t.h>
47 #include <linux/module.h>
48 #include <linux/utsname.h>
49 #include <linux/sunrpc/clnt.h>
50 #include <linux/sunrpc/msg_prot.h>
51 #include <linux/sunrpc/gss_api.h>
52 #include <linux/nfs.h>
53 #include <linux/nfs4.h>
54 #include <linux/nfs_fs.h>
55 #include <linux/nfs_idmap.h>
62 #define NFSDBG_FACILITY NFSDBG_XDR
64 /* Mapping from NFS error code to "errno" error code. */
65 #define errno_NFSERR_IO EIO
67 static int nfs4_stat_to_errno(int);
69 /* NFSv4 COMPOUND tags are only wanted for debugging purposes */
71 #define NFS4_MAXTAGLEN 20
73 #define NFS4_MAXTAGLEN 0
76 /* lock,open owner id:
77 * we currently use size 2 (u64) out of (NFS4_OPAQUE_LIMIT >> 2)
79 #define open_owner_id_maxsz (1 + 2 + 1 + 1 + 2)
80 #define lock_owner_id_maxsz (1 + 1 + 4)
81 #define decode_lockowner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ))
82 #define compound_encode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2))
83 #define compound_decode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2))
84 #define op_encode_hdr_maxsz (1)
85 #define op_decode_hdr_maxsz (2)
86 #define encode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE))
87 #define decode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE))
88 #define encode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE))
89 #define decode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE))
90 #define encode_putfh_maxsz (op_encode_hdr_maxsz + 1 + \
92 #define decode_putfh_maxsz (op_decode_hdr_maxsz)
93 #define encode_putrootfh_maxsz (op_encode_hdr_maxsz)
94 #define decode_putrootfh_maxsz (op_decode_hdr_maxsz)
95 #define encode_getfh_maxsz (op_encode_hdr_maxsz)
96 #define decode_getfh_maxsz (op_decode_hdr_maxsz + 1 + \
97 ((3+NFS4_FHSIZE) >> 2))
98 #define nfs4_fattr_bitmap_maxsz 4
99 #define encode_getattr_maxsz (op_encode_hdr_maxsz + nfs4_fattr_bitmap_maxsz)
100 #define nfs4_name_maxsz (1 + ((3 + NFS4_MAXNAMLEN) >> 2))
101 #define nfs4_path_maxsz (1 + ((3 + NFS4_MAXPATHLEN) >> 2))
102 #define nfs4_owner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ))
103 #define nfs4_group_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ))
104 /* We support only one layout type per file system */
105 #define decode_mdsthreshold_maxsz (1 + 1 + nfs4_fattr_bitmap_maxsz + 1 + 8)
106 /* This is based on getfattr, which uses the most attributes: */
107 #define nfs4_fattr_value_maxsz (1 + (1 + 2 + 2 + 4 + 2 + 1 + 1 + 2 + 2 + \
108 3 + 3 + 3 + nfs4_owner_maxsz + \
109 nfs4_group_maxsz + decode_mdsthreshold_maxsz))
110 #define nfs4_fattr_maxsz (nfs4_fattr_bitmap_maxsz + \
111 nfs4_fattr_value_maxsz)
112 #define decode_getattr_maxsz (op_decode_hdr_maxsz + nfs4_fattr_maxsz)
113 #define encode_attrs_maxsz (nfs4_fattr_bitmap_maxsz + \
118 #define encode_savefh_maxsz (op_encode_hdr_maxsz)
119 #define decode_savefh_maxsz (op_decode_hdr_maxsz)
120 #define encode_restorefh_maxsz (op_encode_hdr_maxsz)
121 #define decode_restorefh_maxsz (op_decode_hdr_maxsz)
122 #define encode_fsinfo_maxsz (encode_getattr_maxsz)
123 /* The 5 accounts for the PNFS attributes, and assumes that at most three
124 * layout types will be returned.
126 #define decode_fsinfo_maxsz (op_decode_hdr_maxsz + \
127 nfs4_fattr_bitmap_maxsz + 4 + 8 + 5)
128 #define encode_renew_maxsz (op_encode_hdr_maxsz + 3)
129 #define decode_renew_maxsz (op_decode_hdr_maxsz)
130 #define encode_setclientid_maxsz \
131 (op_encode_hdr_maxsz + \
132 XDR_QUADLEN(NFS4_VERIFIER_SIZE) + \
133 XDR_QUADLEN(NFS4_SETCLIENTID_NAMELEN) + \
135 XDR_QUADLEN(RPCBIND_MAXNETIDLEN) + \
136 XDR_QUADLEN(RPCBIND_MAXUADDRLEN) + \
138 #define decode_setclientid_maxsz \
139 (op_decode_hdr_maxsz + \
141 1024) /* large value for CLID_INUSE */
142 #define encode_setclientid_confirm_maxsz \
143 (op_encode_hdr_maxsz + \
144 3 + (NFS4_VERIFIER_SIZE >> 2))
145 #define decode_setclientid_confirm_maxsz \
146 (op_decode_hdr_maxsz)
147 #define encode_lookup_maxsz (op_encode_hdr_maxsz + nfs4_name_maxsz)
148 #define decode_lookup_maxsz (op_decode_hdr_maxsz)
149 #define encode_share_access_maxsz \
151 #define encode_createmode_maxsz (1 + encode_attrs_maxsz + encode_verifier_maxsz)
152 #define encode_opentype_maxsz (1 + encode_createmode_maxsz)
153 #define encode_claim_null_maxsz (1 + nfs4_name_maxsz)
154 #define encode_open_maxsz (op_encode_hdr_maxsz + \
155 2 + encode_share_access_maxsz + 2 + \
156 open_owner_id_maxsz + \
157 encode_opentype_maxsz + \
158 encode_claim_null_maxsz)
159 #define decode_ace_maxsz (3 + nfs4_owner_maxsz)
160 #define decode_delegation_maxsz (1 + decode_stateid_maxsz + 1 + \
162 #define decode_change_info_maxsz (5)
163 #define decode_open_maxsz (op_decode_hdr_maxsz + \
164 decode_stateid_maxsz + \
165 decode_change_info_maxsz + 1 + \
166 nfs4_fattr_bitmap_maxsz + \
167 decode_delegation_maxsz)
168 #define encode_open_confirm_maxsz \
169 (op_encode_hdr_maxsz + \
170 encode_stateid_maxsz + 1)
171 #define decode_open_confirm_maxsz \
172 (op_decode_hdr_maxsz + \
173 decode_stateid_maxsz)
174 #define encode_open_downgrade_maxsz \
175 (op_encode_hdr_maxsz + \
176 encode_stateid_maxsz + 1 + \
177 encode_share_access_maxsz)
178 #define decode_open_downgrade_maxsz \
179 (op_decode_hdr_maxsz + \
180 decode_stateid_maxsz)
181 #define encode_close_maxsz (op_encode_hdr_maxsz + \
182 1 + encode_stateid_maxsz)
183 #define decode_close_maxsz (op_decode_hdr_maxsz + \
184 decode_stateid_maxsz)
185 #define encode_setattr_maxsz (op_encode_hdr_maxsz + \
186 encode_stateid_maxsz + \
188 #define decode_setattr_maxsz (op_decode_hdr_maxsz + \
189 nfs4_fattr_bitmap_maxsz)
190 #define encode_read_maxsz (op_encode_hdr_maxsz + \
191 encode_stateid_maxsz + 3)
192 #define decode_read_maxsz (op_decode_hdr_maxsz + 2)
193 #define encode_readdir_maxsz (op_encode_hdr_maxsz + \
194 2 + encode_verifier_maxsz + 5)
195 #define decode_readdir_maxsz (op_decode_hdr_maxsz + \
196 decode_verifier_maxsz)
197 #define encode_readlink_maxsz (op_encode_hdr_maxsz)
198 #define decode_readlink_maxsz (op_decode_hdr_maxsz + 1)
199 #define encode_write_maxsz (op_encode_hdr_maxsz + \
200 encode_stateid_maxsz + 4)
201 #define decode_write_maxsz (op_decode_hdr_maxsz + \
202 2 + decode_verifier_maxsz)
203 #define encode_commit_maxsz (op_encode_hdr_maxsz + 3)
204 #define decode_commit_maxsz (op_decode_hdr_maxsz + \
205 decode_verifier_maxsz)
206 #define encode_remove_maxsz (op_encode_hdr_maxsz + \
208 #define decode_remove_maxsz (op_decode_hdr_maxsz + \
209 decode_change_info_maxsz)
210 #define encode_rename_maxsz (op_encode_hdr_maxsz + \
212 #define decode_rename_maxsz (op_decode_hdr_maxsz + \
213 decode_change_info_maxsz + \
214 decode_change_info_maxsz)
215 #define encode_link_maxsz (op_encode_hdr_maxsz + \
217 #define decode_link_maxsz (op_decode_hdr_maxsz + decode_change_info_maxsz)
218 #define encode_lockowner_maxsz (7)
219 #define encode_lock_maxsz (op_encode_hdr_maxsz + \
221 1 + encode_stateid_maxsz + 1 + \
222 encode_lockowner_maxsz)
223 #define decode_lock_denied_maxsz \
224 (8 + decode_lockowner_maxsz)
225 #define decode_lock_maxsz (op_decode_hdr_maxsz + \
226 decode_lock_denied_maxsz)
227 #define encode_lockt_maxsz (op_encode_hdr_maxsz + 5 + \
228 encode_lockowner_maxsz)
229 #define decode_lockt_maxsz (op_decode_hdr_maxsz + \
230 decode_lock_denied_maxsz)
231 #define encode_locku_maxsz (op_encode_hdr_maxsz + 3 + \
232 encode_stateid_maxsz + \
234 #define decode_locku_maxsz (op_decode_hdr_maxsz + \
235 decode_stateid_maxsz)
236 #define encode_release_lockowner_maxsz \
237 (op_encode_hdr_maxsz + \
238 encode_lockowner_maxsz)
239 #define decode_release_lockowner_maxsz \
240 (op_decode_hdr_maxsz)
241 #define encode_access_maxsz (op_encode_hdr_maxsz + 1)
242 #define decode_access_maxsz (op_decode_hdr_maxsz + 2)
243 #define encode_symlink_maxsz (op_encode_hdr_maxsz + \
244 1 + nfs4_name_maxsz + \
247 #define decode_symlink_maxsz (op_decode_hdr_maxsz + 8)
248 #define encode_create_maxsz (op_encode_hdr_maxsz + \
249 1 + 2 + nfs4_name_maxsz + \
251 #define decode_create_maxsz (op_decode_hdr_maxsz + \
252 decode_change_info_maxsz + \
253 nfs4_fattr_bitmap_maxsz)
254 #define encode_statfs_maxsz (encode_getattr_maxsz)
255 #define decode_statfs_maxsz (decode_getattr_maxsz)
256 #define encode_delegreturn_maxsz (op_encode_hdr_maxsz + 4)
257 #define decode_delegreturn_maxsz (op_decode_hdr_maxsz)
258 #define encode_getacl_maxsz (encode_getattr_maxsz)
259 #define decode_getacl_maxsz (op_decode_hdr_maxsz + \
260 nfs4_fattr_bitmap_maxsz + 1)
261 #define encode_setacl_maxsz (op_encode_hdr_maxsz + \
262 encode_stateid_maxsz + 3)
263 #define decode_setacl_maxsz (decode_setattr_maxsz)
264 #define encode_fs_locations_maxsz \
265 (encode_getattr_maxsz)
266 #define decode_fs_locations_maxsz \
268 #define encode_secinfo_maxsz (op_encode_hdr_maxsz + nfs4_name_maxsz)
269 #define decode_secinfo_maxsz (op_decode_hdr_maxsz + 1 + ((NFS_MAX_SECFLAVORS * (16 + GSS_OID_MAX_LEN)) / 4))
271 #if defined(CONFIG_NFS_V4_1)
272 #define NFS4_MAX_MACHINE_NAME_LEN (64)
274 #define encode_exchange_id_maxsz (op_encode_hdr_maxsz + \
275 encode_verifier_maxsz + \
276 1 /* co_ownerid.len */ + \
277 XDR_QUADLEN(NFS4_EXCHANGE_ID_LEN) + \
280 0 /* SP4_NONE (for now) */ + \
281 1 /* implementation id array of size 1 */ + \
282 1 /* nii_domain */ + \
283 XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \
285 XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \
287 #define decode_exchange_id_maxsz (op_decode_hdr_maxsz + \
288 2 /* eir_clientid */ + \
289 1 /* eir_sequenceid */ + \
290 1 /* eir_flags */ + \
292 0 /* SP4_NONE (for now) */ + \
293 2 /* eir_server_owner.so_minor_id */ + \
294 /* eir_server_owner.so_major_id<> */ \
295 XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 + \
296 /* eir_server_scope<> */ \
297 XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 + \
298 1 /* eir_server_impl_id array length */ + \
299 1 /* nii_domain */ + \
300 XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \
302 XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \
304 #define encode_channel_attrs_maxsz (6 + 1 /* ca_rdma_ird.len (0) */)
305 #define decode_channel_attrs_maxsz (6 + \
306 1 /* ca_rdma_ird.len */ + \
308 #define encode_create_session_maxsz (op_encode_hdr_maxsz + \
309 2 /* csa_clientid */ + \
310 1 /* csa_sequence */ + \
311 1 /* csa_flags */ + \
312 encode_channel_attrs_maxsz + \
313 encode_channel_attrs_maxsz + \
314 1 /* csa_cb_program */ + \
315 1 /* csa_sec_parms.len (1) */ + \
316 1 /* cb_secflavor (AUTH_SYS) */ + \
318 1 /* machinename.len */ + \
319 XDR_QUADLEN(NFS4_MAX_MACHINE_NAME_LEN) + \
322 1 /* gids.len (0) */)
323 #define decode_create_session_maxsz (op_decode_hdr_maxsz + \
324 XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + \
325 1 /* csr_sequence */ + \
326 1 /* csr_flags */ + \
327 decode_channel_attrs_maxsz + \
328 decode_channel_attrs_maxsz)
329 #define encode_bind_conn_to_session_maxsz (op_encode_hdr_maxsz + \
331 XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + \
332 1 /* bctsa_dir */ + \
333 1 /* bctsa_use_conn_in_rdma_mode */)
334 #define decode_bind_conn_to_session_maxsz (op_decode_hdr_maxsz + \
336 XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + \
337 1 /* bctsr_dir */ + \
338 1 /* bctsr_use_conn_in_rdma_mode */)
339 #define encode_destroy_session_maxsz (op_encode_hdr_maxsz + 4)
340 #define decode_destroy_session_maxsz (op_decode_hdr_maxsz)
341 #define encode_destroy_clientid_maxsz (op_encode_hdr_maxsz + 2)
342 #define decode_destroy_clientid_maxsz (op_decode_hdr_maxsz)
343 #define encode_sequence_maxsz (op_encode_hdr_maxsz + \
344 XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 4)
345 #define decode_sequence_maxsz (op_decode_hdr_maxsz + \
346 XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 5)
347 #define encode_reclaim_complete_maxsz (op_encode_hdr_maxsz + 4)
348 #define decode_reclaim_complete_maxsz (op_decode_hdr_maxsz + 4)
349 #define encode_getdevicelist_maxsz (op_encode_hdr_maxsz + 4 + \
350 encode_verifier_maxsz)
351 #define decode_getdevicelist_maxsz (op_decode_hdr_maxsz + \
352 2 /* nfs_cookie4 gdlr_cookie */ + \
353 decode_verifier_maxsz \
354 /* verifier4 gdlr_verifier */ + \
355 1 /* gdlr_deviceid_list count */ + \
356 XDR_QUADLEN(NFS4_PNFS_GETDEVLIST_MAXNUM * \
357 NFS4_DEVICEID4_SIZE) \
358 /* gdlr_deviceid_list */ + \
359 1 /* bool gdlr_eof */)
360 #define encode_getdeviceinfo_maxsz (op_encode_hdr_maxsz + 4 + \
361 XDR_QUADLEN(NFS4_DEVICEID4_SIZE))
362 #define decode_getdeviceinfo_maxsz (op_decode_hdr_maxsz + \
363 1 /* layout type */ + \
364 1 /* opaque devaddr4 length */ + \
365 /* devaddr4 payload is read into page */ \
366 1 /* notification bitmap length */ + \
367 1 /* notification bitmap */)
368 #define encode_layoutget_maxsz (op_encode_hdr_maxsz + 10 + \
369 encode_stateid_maxsz)
370 #define decode_layoutget_maxsz (op_decode_hdr_maxsz + 8 + \
371 decode_stateid_maxsz + \
372 XDR_QUADLEN(PNFS_LAYOUT_MAXSIZE))
373 #define encode_layoutcommit_maxsz (op_encode_hdr_maxsz + \
377 encode_stateid_maxsz + \
378 1 /* new offset (true) */ + \
379 2 /* last byte written */ + \
380 1 /* nt_timechanged (false) */ + \
381 1 /* layoutupdate4 layout type */ + \
382 1 /* NULL filelayout layoutupdate4 payload */)
383 #define decode_layoutcommit_maxsz (op_decode_hdr_maxsz + 3)
384 #define encode_layoutreturn_maxsz (8 + op_encode_hdr_maxsz + \
385 encode_stateid_maxsz + \
386 1 /* FIXME: opaque lrf_body always empty at the moment */)
387 #define decode_layoutreturn_maxsz (op_decode_hdr_maxsz + \
388 1 + decode_stateid_maxsz)
389 #define encode_secinfo_no_name_maxsz (op_encode_hdr_maxsz + 1)
390 #define decode_secinfo_no_name_maxsz decode_secinfo_maxsz
391 #define encode_test_stateid_maxsz (op_encode_hdr_maxsz + 2 + \
392 XDR_QUADLEN(NFS4_STATEID_SIZE))
393 #define decode_test_stateid_maxsz (op_decode_hdr_maxsz + 2 + 1)
394 #define encode_free_stateid_maxsz (op_encode_hdr_maxsz + 1 + \
395 XDR_QUADLEN(NFS4_STATEID_SIZE))
396 #define decode_free_stateid_maxsz (op_decode_hdr_maxsz + 1)
397 #else /* CONFIG_NFS_V4_1 */
398 #define encode_sequence_maxsz 0
399 #define decode_sequence_maxsz 0
400 #endif /* CONFIG_NFS_V4_1 */
402 #define NFS4_enc_compound_sz (1024) /* XXX: large enough? */
403 #define NFS4_dec_compound_sz (1024) /* XXX: large enough? */
404 #define NFS4_enc_read_sz (compound_encode_hdr_maxsz + \
405 encode_sequence_maxsz + \
406 encode_putfh_maxsz + \
408 #define NFS4_dec_read_sz (compound_decode_hdr_maxsz + \
409 decode_sequence_maxsz + \
410 decode_putfh_maxsz + \
412 #define NFS4_enc_readlink_sz (compound_encode_hdr_maxsz + \
413 encode_sequence_maxsz + \
414 encode_putfh_maxsz + \
415 encode_readlink_maxsz)
416 #define NFS4_dec_readlink_sz (compound_decode_hdr_maxsz + \
417 decode_sequence_maxsz + \
418 decode_putfh_maxsz + \
419 decode_readlink_maxsz)
420 #define NFS4_enc_readdir_sz (compound_encode_hdr_maxsz + \
421 encode_sequence_maxsz + \
422 encode_putfh_maxsz + \
423 encode_readdir_maxsz)
424 #define NFS4_dec_readdir_sz (compound_decode_hdr_maxsz + \
425 decode_sequence_maxsz + \
426 decode_putfh_maxsz + \
427 decode_readdir_maxsz)
428 #define NFS4_enc_write_sz (compound_encode_hdr_maxsz + \
429 encode_sequence_maxsz + \
430 encode_putfh_maxsz + \
431 encode_write_maxsz + \
432 encode_getattr_maxsz)
433 #define NFS4_dec_write_sz (compound_decode_hdr_maxsz + \
434 decode_sequence_maxsz + \
435 decode_putfh_maxsz + \
436 decode_write_maxsz + \
437 decode_getattr_maxsz)
438 #define NFS4_enc_commit_sz (compound_encode_hdr_maxsz + \
439 encode_sequence_maxsz + \
440 encode_putfh_maxsz + \
442 #define NFS4_dec_commit_sz (compound_decode_hdr_maxsz + \
443 decode_sequence_maxsz + \
444 decode_putfh_maxsz + \
446 #define NFS4_enc_open_sz (compound_encode_hdr_maxsz + \
447 encode_sequence_maxsz + \
448 encode_putfh_maxsz + \
449 encode_open_maxsz + \
450 encode_getfh_maxsz + \
451 encode_getattr_maxsz)
452 #define NFS4_dec_open_sz (compound_decode_hdr_maxsz + \
453 decode_sequence_maxsz + \
454 decode_putfh_maxsz + \
455 decode_open_maxsz + \
456 decode_getfh_maxsz + \
457 decode_getattr_maxsz)
458 #define NFS4_enc_open_confirm_sz \
459 (compound_encode_hdr_maxsz + \
460 encode_putfh_maxsz + \
461 encode_open_confirm_maxsz)
462 #define NFS4_dec_open_confirm_sz \
463 (compound_decode_hdr_maxsz + \
464 decode_putfh_maxsz + \
465 decode_open_confirm_maxsz)
466 #define NFS4_enc_open_noattr_sz (compound_encode_hdr_maxsz + \
467 encode_sequence_maxsz + \
468 encode_putfh_maxsz + \
469 encode_open_maxsz + \
470 encode_getattr_maxsz)
471 #define NFS4_dec_open_noattr_sz (compound_decode_hdr_maxsz + \
472 decode_sequence_maxsz + \
473 decode_putfh_maxsz + \
474 decode_open_maxsz + \
475 decode_getattr_maxsz)
476 #define NFS4_enc_open_downgrade_sz \
477 (compound_encode_hdr_maxsz + \
478 encode_sequence_maxsz + \
479 encode_putfh_maxsz + \
480 encode_open_downgrade_maxsz + \
481 encode_getattr_maxsz)
482 #define NFS4_dec_open_downgrade_sz \
483 (compound_decode_hdr_maxsz + \
484 decode_sequence_maxsz + \
485 decode_putfh_maxsz + \
486 decode_open_downgrade_maxsz + \
487 decode_getattr_maxsz)
488 #define NFS4_enc_close_sz (compound_encode_hdr_maxsz + \
489 encode_sequence_maxsz + \
490 encode_putfh_maxsz + \
491 encode_close_maxsz + \
492 encode_getattr_maxsz)
493 #define NFS4_dec_close_sz (compound_decode_hdr_maxsz + \
494 decode_sequence_maxsz + \
495 decode_putfh_maxsz + \
496 decode_close_maxsz + \
497 decode_getattr_maxsz)
498 #define NFS4_enc_setattr_sz (compound_encode_hdr_maxsz + \
499 encode_sequence_maxsz + \
500 encode_putfh_maxsz + \
501 encode_setattr_maxsz + \
502 encode_getattr_maxsz)
503 #define NFS4_dec_setattr_sz (compound_decode_hdr_maxsz + \
504 decode_sequence_maxsz + \
505 decode_putfh_maxsz + \
506 decode_setattr_maxsz + \
507 decode_getattr_maxsz)
508 #define NFS4_enc_fsinfo_sz (compound_encode_hdr_maxsz + \
509 encode_sequence_maxsz + \
510 encode_putfh_maxsz + \
512 #define NFS4_dec_fsinfo_sz (compound_decode_hdr_maxsz + \
513 decode_sequence_maxsz + \
514 decode_putfh_maxsz + \
516 #define NFS4_enc_renew_sz (compound_encode_hdr_maxsz + \
518 #define NFS4_dec_renew_sz (compound_decode_hdr_maxsz + \
520 #define NFS4_enc_setclientid_sz (compound_encode_hdr_maxsz + \
521 encode_setclientid_maxsz)
522 #define NFS4_dec_setclientid_sz (compound_decode_hdr_maxsz + \
523 decode_setclientid_maxsz)
524 #define NFS4_enc_setclientid_confirm_sz \
525 (compound_encode_hdr_maxsz + \
526 encode_setclientid_confirm_maxsz + \
527 encode_putrootfh_maxsz + \
529 #define NFS4_dec_setclientid_confirm_sz \
530 (compound_decode_hdr_maxsz + \
531 decode_setclientid_confirm_maxsz + \
532 decode_putrootfh_maxsz + \
534 #define NFS4_enc_lock_sz (compound_encode_hdr_maxsz + \
535 encode_sequence_maxsz + \
536 encode_putfh_maxsz + \
538 #define NFS4_dec_lock_sz (compound_decode_hdr_maxsz + \
539 decode_sequence_maxsz + \
540 decode_putfh_maxsz + \
542 #define NFS4_enc_lockt_sz (compound_encode_hdr_maxsz + \
543 encode_sequence_maxsz + \
544 encode_putfh_maxsz + \
546 #define NFS4_dec_lockt_sz (compound_decode_hdr_maxsz + \
547 decode_sequence_maxsz + \
548 decode_putfh_maxsz + \
550 #define NFS4_enc_locku_sz (compound_encode_hdr_maxsz + \
551 encode_sequence_maxsz + \
552 encode_putfh_maxsz + \
554 #define NFS4_dec_locku_sz (compound_decode_hdr_maxsz + \
555 decode_sequence_maxsz + \
556 decode_putfh_maxsz + \
558 #define NFS4_enc_release_lockowner_sz \
559 (compound_encode_hdr_maxsz + \
560 encode_lockowner_maxsz)
561 #define NFS4_dec_release_lockowner_sz \
562 (compound_decode_hdr_maxsz + \
563 decode_lockowner_maxsz)
564 #define NFS4_enc_access_sz (compound_encode_hdr_maxsz + \
565 encode_sequence_maxsz + \
566 encode_putfh_maxsz + \
567 encode_access_maxsz + \
568 encode_getattr_maxsz)
569 #define NFS4_dec_access_sz (compound_decode_hdr_maxsz + \
570 decode_sequence_maxsz + \
571 decode_putfh_maxsz + \
572 decode_access_maxsz + \
573 decode_getattr_maxsz)
574 #define NFS4_enc_getattr_sz (compound_encode_hdr_maxsz + \
575 encode_sequence_maxsz + \
576 encode_putfh_maxsz + \
577 encode_getattr_maxsz)
578 #define NFS4_dec_getattr_sz (compound_decode_hdr_maxsz + \
579 decode_sequence_maxsz + \
580 decode_putfh_maxsz + \
581 decode_getattr_maxsz)
582 #define NFS4_enc_lookup_sz (compound_encode_hdr_maxsz + \
583 encode_sequence_maxsz + \
584 encode_putfh_maxsz + \
585 encode_lookup_maxsz + \
586 encode_getattr_maxsz + \
588 #define NFS4_dec_lookup_sz (compound_decode_hdr_maxsz + \
589 decode_sequence_maxsz + \
590 decode_putfh_maxsz + \
591 decode_lookup_maxsz + \
592 decode_getattr_maxsz + \
594 #define NFS4_enc_lookup_root_sz (compound_encode_hdr_maxsz + \
595 encode_sequence_maxsz + \
596 encode_putrootfh_maxsz + \
597 encode_getattr_maxsz + \
599 #define NFS4_dec_lookup_root_sz (compound_decode_hdr_maxsz + \
600 decode_sequence_maxsz + \
601 decode_putrootfh_maxsz + \
602 decode_getattr_maxsz + \
604 #define NFS4_enc_remove_sz (compound_encode_hdr_maxsz + \
605 encode_sequence_maxsz + \
606 encode_putfh_maxsz + \
608 #define NFS4_dec_remove_sz (compound_decode_hdr_maxsz + \
609 decode_sequence_maxsz + \
610 decode_putfh_maxsz + \
612 #define NFS4_enc_rename_sz (compound_encode_hdr_maxsz + \
613 encode_sequence_maxsz + \
614 encode_putfh_maxsz + \
615 encode_savefh_maxsz + \
616 encode_putfh_maxsz + \
618 #define NFS4_dec_rename_sz (compound_decode_hdr_maxsz + \
619 decode_sequence_maxsz + \
620 decode_putfh_maxsz + \
621 decode_savefh_maxsz + \
622 decode_putfh_maxsz + \
624 #define NFS4_enc_link_sz (compound_encode_hdr_maxsz + \
625 encode_sequence_maxsz + \
626 encode_putfh_maxsz + \
627 encode_savefh_maxsz + \
628 encode_putfh_maxsz + \
629 encode_link_maxsz + \
630 encode_restorefh_maxsz + \
631 encode_getattr_maxsz)
632 #define NFS4_dec_link_sz (compound_decode_hdr_maxsz + \
633 decode_sequence_maxsz + \
634 decode_putfh_maxsz + \
635 decode_savefh_maxsz + \
636 decode_putfh_maxsz + \
637 decode_link_maxsz + \
638 decode_restorefh_maxsz + \
639 decode_getattr_maxsz)
640 #define NFS4_enc_symlink_sz (compound_encode_hdr_maxsz + \
641 encode_sequence_maxsz + \
642 encode_putfh_maxsz + \
643 encode_symlink_maxsz + \
644 encode_getattr_maxsz + \
646 #define NFS4_dec_symlink_sz (compound_decode_hdr_maxsz + \
647 decode_sequence_maxsz + \
648 decode_putfh_maxsz + \
649 decode_symlink_maxsz + \
650 decode_getattr_maxsz + \
652 #define NFS4_enc_create_sz (compound_encode_hdr_maxsz + \
653 encode_sequence_maxsz + \
654 encode_putfh_maxsz + \
655 encode_create_maxsz + \
656 encode_getfh_maxsz + \
657 encode_getattr_maxsz)
658 #define NFS4_dec_create_sz (compound_decode_hdr_maxsz + \
659 decode_sequence_maxsz + \
660 decode_putfh_maxsz + \
661 decode_create_maxsz + \
662 decode_getfh_maxsz + \
663 decode_getattr_maxsz)
664 #define NFS4_enc_pathconf_sz (compound_encode_hdr_maxsz + \
665 encode_sequence_maxsz + \
666 encode_putfh_maxsz + \
667 encode_getattr_maxsz)
668 #define NFS4_dec_pathconf_sz (compound_decode_hdr_maxsz + \
669 decode_sequence_maxsz + \
670 decode_putfh_maxsz + \
671 decode_getattr_maxsz)
672 #define NFS4_enc_statfs_sz (compound_encode_hdr_maxsz + \
673 encode_sequence_maxsz + \
674 encode_putfh_maxsz + \
676 #define NFS4_dec_statfs_sz (compound_decode_hdr_maxsz + \
677 decode_sequence_maxsz + \
678 decode_putfh_maxsz + \
680 #define NFS4_enc_server_caps_sz (compound_encode_hdr_maxsz + \
681 encode_sequence_maxsz + \
682 encode_putfh_maxsz + \
683 encode_getattr_maxsz)
684 #define NFS4_dec_server_caps_sz (compound_decode_hdr_maxsz + \
685 decode_sequence_maxsz + \
686 decode_putfh_maxsz + \
687 decode_getattr_maxsz)
688 #define NFS4_enc_delegreturn_sz (compound_encode_hdr_maxsz + \
689 encode_sequence_maxsz + \
690 encode_putfh_maxsz + \
691 encode_delegreturn_maxsz + \
692 encode_getattr_maxsz)
693 #define NFS4_dec_delegreturn_sz (compound_decode_hdr_maxsz + \
694 decode_sequence_maxsz + \
695 decode_delegreturn_maxsz + \
696 decode_getattr_maxsz)
697 #define NFS4_enc_getacl_sz (compound_encode_hdr_maxsz + \
698 encode_sequence_maxsz + \
699 encode_putfh_maxsz + \
701 #define NFS4_dec_getacl_sz (compound_decode_hdr_maxsz + \
702 decode_sequence_maxsz + \
703 decode_putfh_maxsz + \
705 #define NFS4_enc_setacl_sz (compound_encode_hdr_maxsz + \
706 encode_sequence_maxsz + \
707 encode_putfh_maxsz + \
709 #define NFS4_dec_setacl_sz (compound_decode_hdr_maxsz + \
710 decode_sequence_maxsz + \
711 decode_putfh_maxsz + \
713 #define NFS4_enc_fs_locations_sz \
714 (compound_encode_hdr_maxsz + \
715 encode_sequence_maxsz + \
716 encode_putfh_maxsz + \
717 encode_lookup_maxsz + \
718 encode_fs_locations_maxsz)
719 #define NFS4_dec_fs_locations_sz \
720 (compound_decode_hdr_maxsz + \
721 decode_sequence_maxsz + \
722 decode_putfh_maxsz + \
723 decode_lookup_maxsz + \
724 decode_fs_locations_maxsz)
725 #define NFS4_enc_secinfo_sz (compound_encode_hdr_maxsz + \
726 encode_sequence_maxsz + \
727 encode_putfh_maxsz + \
728 encode_secinfo_maxsz)
729 #define NFS4_dec_secinfo_sz (compound_decode_hdr_maxsz + \
730 decode_sequence_maxsz + \
731 decode_putfh_maxsz + \
732 decode_secinfo_maxsz)
733 #if defined(CONFIG_NFS_V4_1)
734 #define NFS4_enc_bind_conn_to_session_sz \
735 (compound_encode_hdr_maxsz + \
736 encode_bind_conn_to_session_maxsz)
737 #define NFS4_dec_bind_conn_to_session_sz \
738 (compound_decode_hdr_maxsz + \
739 decode_bind_conn_to_session_maxsz)
740 #define NFS4_enc_exchange_id_sz \
741 (compound_encode_hdr_maxsz + \
742 encode_exchange_id_maxsz)
743 #define NFS4_dec_exchange_id_sz \
744 (compound_decode_hdr_maxsz + \
745 decode_exchange_id_maxsz)
746 #define NFS4_enc_create_session_sz \
747 (compound_encode_hdr_maxsz + \
748 encode_create_session_maxsz)
749 #define NFS4_dec_create_session_sz \
750 (compound_decode_hdr_maxsz + \
751 decode_create_session_maxsz)
752 #define NFS4_enc_destroy_session_sz (compound_encode_hdr_maxsz + \
753 encode_destroy_session_maxsz)
754 #define NFS4_dec_destroy_session_sz (compound_decode_hdr_maxsz + \
755 decode_destroy_session_maxsz)
756 #define NFS4_enc_destroy_clientid_sz (compound_encode_hdr_maxsz + \
757 encode_destroy_clientid_maxsz)
758 #define NFS4_dec_destroy_clientid_sz (compound_decode_hdr_maxsz + \
759 decode_destroy_clientid_maxsz)
760 #define NFS4_enc_sequence_sz \
761 (compound_decode_hdr_maxsz + \
762 encode_sequence_maxsz)
763 #define NFS4_dec_sequence_sz \
764 (compound_decode_hdr_maxsz + \
765 decode_sequence_maxsz)
766 #define NFS4_enc_get_lease_time_sz (compound_encode_hdr_maxsz + \
767 encode_sequence_maxsz + \
768 encode_putrootfh_maxsz + \
770 #define NFS4_dec_get_lease_time_sz (compound_decode_hdr_maxsz + \
771 decode_sequence_maxsz + \
772 decode_putrootfh_maxsz + \
774 #define NFS4_enc_reclaim_complete_sz (compound_encode_hdr_maxsz + \
775 encode_sequence_maxsz + \
776 encode_reclaim_complete_maxsz)
777 #define NFS4_dec_reclaim_complete_sz (compound_decode_hdr_maxsz + \
778 decode_sequence_maxsz + \
779 decode_reclaim_complete_maxsz)
780 #define NFS4_enc_getdevicelist_sz (compound_encode_hdr_maxsz + \
781 encode_sequence_maxsz + \
782 encode_putfh_maxsz + \
783 encode_getdevicelist_maxsz)
784 #define NFS4_dec_getdevicelist_sz (compound_decode_hdr_maxsz + \
785 decode_sequence_maxsz + \
786 decode_putfh_maxsz + \
787 decode_getdevicelist_maxsz)
788 #define NFS4_enc_getdeviceinfo_sz (compound_encode_hdr_maxsz + \
789 encode_sequence_maxsz +\
790 encode_getdeviceinfo_maxsz)
791 #define NFS4_dec_getdeviceinfo_sz (compound_decode_hdr_maxsz + \
792 decode_sequence_maxsz + \
793 decode_getdeviceinfo_maxsz)
794 #define NFS4_enc_layoutget_sz (compound_encode_hdr_maxsz + \
795 encode_sequence_maxsz + \
796 encode_putfh_maxsz + \
797 encode_layoutget_maxsz)
798 #define NFS4_dec_layoutget_sz (compound_decode_hdr_maxsz + \
799 decode_sequence_maxsz + \
800 decode_putfh_maxsz + \
801 decode_layoutget_maxsz)
802 #define NFS4_enc_layoutcommit_sz (compound_encode_hdr_maxsz + \
803 encode_sequence_maxsz +\
804 encode_putfh_maxsz + \
805 encode_layoutcommit_maxsz + \
806 encode_getattr_maxsz)
807 #define NFS4_dec_layoutcommit_sz (compound_decode_hdr_maxsz + \
808 decode_sequence_maxsz + \
809 decode_putfh_maxsz + \
810 decode_layoutcommit_maxsz + \
811 decode_getattr_maxsz)
812 #define NFS4_enc_layoutreturn_sz (compound_encode_hdr_maxsz + \
813 encode_sequence_maxsz + \
814 encode_putfh_maxsz + \
815 encode_layoutreturn_maxsz)
816 #define NFS4_dec_layoutreturn_sz (compound_decode_hdr_maxsz + \
817 decode_sequence_maxsz + \
818 decode_putfh_maxsz + \
819 decode_layoutreturn_maxsz)
820 #define NFS4_enc_secinfo_no_name_sz (compound_encode_hdr_maxsz + \
821 encode_sequence_maxsz + \
822 encode_putrootfh_maxsz +\
823 encode_secinfo_no_name_maxsz)
824 #define NFS4_dec_secinfo_no_name_sz (compound_decode_hdr_maxsz + \
825 decode_sequence_maxsz + \
826 decode_putrootfh_maxsz + \
827 decode_secinfo_no_name_maxsz)
828 #define NFS4_enc_test_stateid_sz (compound_encode_hdr_maxsz + \
829 encode_sequence_maxsz + \
830 encode_test_stateid_maxsz)
831 #define NFS4_dec_test_stateid_sz (compound_decode_hdr_maxsz + \
832 decode_sequence_maxsz + \
833 decode_test_stateid_maxsz)
834 #define NFS4_enc_free_stateid_sz (compound_encode_hdr_maxsz + \
835 encode_sequence_maxsz + \
836 encode_free_stateid_maxsz)
837 #define NFS4_dec_free_stateid_sz (compound_decode_hdr_maxsz + \
838 decode_sequence_maxsz + \
839 decode_free_stateid_maxsz)
841 const u32 nfs41_maxwrite_overhead
= ((RPC_MAX_HEADER_WITH_AUTH
+
842 compound_encode_hdr_maxsz
+
843 encode_sequence_maxsz
+
845 encode_getattr_maxsz
) *
848 const u32 nfs41_maxread_overhead
= ((RPC_MAX_HEADER_WITH_AUTH
+
849 compound_decode_hdr_maxsz
+
850 decode_sequence_maxsz
+
851 decode_putfh_maxsz
) *
853 #endif /* CONFIG_NFS_V4_1 */
855 static const umode_t nfs_type2fmt
[] = {
862 [NF4SOCK
] = S_IFSOCK
,
868 struct compound_hdr
{
874 uint32_t replen
; /* expected reply words */
878 static __be32
*reserve_space(struct xdr_stream
*xdr
, size_t nbytes
)
880 __be32
*p
= xdr_reserve_space(xdr
, nbytes
);
885 static void encode_opaque_fixed(struct xdr_stream
*xdr
, const void *buf
, size_t len
)
889 p
= xdr_reserve_space(xdr
, len
);
890 xdr_encode_opaque_fixed(p
, buf
, len
);
893 static void encode_string(struct xdr_stream
*xdr
, unsigned int len
, const char *str
)
897 p
= reserve_space(xdr
, 4 + len
);
898 xdr_encode_opaque(p
, str
, len
);
901 static void encode_uint32(struct xdr_stream
*xdr
, u32 n
)
905 p
= reserve_space(xdr
, 4);
909 static void encode_uint64(struct xdr_stream
*xdr
, u64 n
)
913 p
= reserve_space(xdr
, 8);
914 xdr_encode_hyper(p
, n
);
917 static void encode_nfs4_seqid(struct xdr_stream
*xdr
,
918 const struct nfs_seqid
*seqid
)
920 encode_uint32(xdr
, seqid
->sequence
->counter
);
923 static void encode_compound_hdr(struct xdr_stream
*xdr
,
924 struct rpc_rqst
*req
,
925 struct compound_hdr
*hdr
)
928 struct rpc_auth
*auth
= req
->rq_cred
->cr_auth
;
930 /* initialize running count of expected bytes in reply.
931 * NOTE: the replied tag SHOULD be the same is the one sent,
932 * but this is not required as a MUST for the server to do so. */
933 hdr
->replen
= RPC_REPHDRSIZE
+ auth
->au_rslack
+ 3 + hdr
->taglen
;
935 BUG_ON(hdr
->taglen
> NFS4_MAXTAGLEN
);
936 encode_string(xdr
, hdr
->taglen
, hdr
->tag
);
937 p
= reserve_space(xdr
, 8);
938 *p
++ = cpu_to_be32(hdr
->minorversion
);
940 *p
= cpu_to_be32(hdr
->nops
);
943 static void encode_op_hdr(struct xdr_stream
*xdr
, enum nfs_opnum4 op
,
945 struct compound_hdr
*hdr
)
947 encode_uint32(xdr
, op
);
949 hdr
->replen
+= replen
;
952 static void encode_nops(struct compound_hdr
*hdr
)
954 BUG_ON(hdr
->nops
> NFS4_MAX_OPS
);
955 *hdr
->nops_p
= htonl(hdr
->nops
);
958 static void encode_nfs4_stateid(struct xdr_stream
*xdr
, const nfs4_stateid
*stateid
)
960 encode_opaque_fixed(xdr
, stateid
, NFS4_STATEID_SIZE
);
963 static void encode_nfs4_verifier(struct xdr_stream
*xdr
, const nfs4_verifier
*verf
)
965 encode_opaque_fixed(xdr
, verf
->data
, NFS4_VERIFIER_SIZE
);
968 static void encode_attrs(struct xdr_stream
*xdr
, const struct iattr
*iap
, const struct nfs_server
*server
)
970 char owner_name
[IDMAP_NAMESZ
];
971 char owner_group
[IDMAP_NAMESZ
];
972 int owner_namelen
= 0;
973 int owner_grouplen
= 0;
981 * We reserve enough space to write the entire attribute buffer at once.
982 * In the worst-case, this would be
983 * 12(bitmap) + 4(attrlen) + 8(size) + 4(mode) + 4(atime) + 4(mtime)
984 * = 36 bytes, plus any contribution from variable-length fields
985 * such as owner/group.
990 if (iap
->ia_valid
& ATTR_SIZE
)
992 if (iap
->ia_valid
& ATTR_MODE
)
994 if (iap
->ia_valid
& ATTR_UID
) {
995 owner_namelen
= nfs_map_uid_to_name(server
, iap
->ia_uid
, owner_name
, IDMAP_NAMESZ
);
996 if (owner_namelen
< 0) {
997 dprintk("nfs: couldn't resolve uid %d to string\n",
1000 strcpy(owner_name
, "nobody");
1001 owner_namelen
= sizeof("nobody") - 1;
1004 len
+= 4 + (XDR_QUADLEN(owner_namelen
) << 2);
1006 if (iap
->ia_valid
& ATTR_GID
) {
1007 owner_grouplen
= nfs_map_gid_to_group(server
, iap
->ia_gid
, owner_group
, IDMAP_NAMESZ
);
1008 if (owner_grouplen
< 0) {
1009 dprintk("nfs: couldn't resolve gid %d to string\n",
1011 strcpy(owner_group
, "nobody");
1012 owner_grouplen
= sizeof("nobody") - 1;
1015 len
+= 4 + (XDR_QUADLEN(owner_grouplen
) << 2);
1017 if (iap
->ia_valid
& ATTR_ATIME_SET
)
1019 else if (iap
->ia_valid
& ATTR_ATIME
)
1021 if (iap
->ia_valid
& ATTR_MTIME_SET
)
1023 else if (iap
->ia_valid
& ATTR_MTIME
)
1025 p
= reserve_space(xdr
, len
);
1028 * We write the bitmap length now, but leave the bitmap and the attribute
1029 * buffer length to be backfilled at the end of this routine.
1031 *p
++ = cpu_to_be32(2);
1035 if (iap
->ia_valid
& ATTR_SIZE
) {
1036 bmval0
|= FATTR4_WORD0_SIZE
;
1037 p
= xdr_encode_hyper(p
, iap
->ia_size
);
1039 if (iap
->ia_valid
& ATTR_MODE
) {
1040 bmval1
|= FATTR4_WORD1_MODE
;
1041 *p
++ = cpu_to_be32(iap
->ia_mode
& S_IALLUGO
);
1043 if (iap
->ia_valid
& ATTR_UID
) {
1044 bmval1
|= FATTR4_WORD1_OWNER
;
1045 p
= xdr_encode_opaque(p
, owner_name
, owner_namelen
);
1047 if (iap
->ia_valid
& ATTR_GID
) {
1048 bmval1
|= FATTR4_WORD1_OWNER_GROUP
;
1049 p
= xdr_encode_opaque(p
, owner_group
, owner_grouplen
);
1051 if (iap
->ia_valid
& ATTR_ATIME_SET
) {
1052 bmval1
|= FATTR4_WORD1_TIME_ACCESS_SET
;
1053 *p
++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME
);
1054 *p
++ = cpu_to_be32(0);
1055 *p
++ = cpu_to_be32(iap
->ia_atime
.tv_sec
);
1056 *p
++ = cpu_to_be32(iap
->ia_atime
.tv_nsec
);
1058 else if (iap
->ia_valid
& ATTR_ATIME
) {
1059 bmval1
|= FATTR4_WORD1_TIME_ACCESS_SET
;
1060 *p
++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME
);
1062 if (iap
->ia_valid
& ATTR_MTIME_SET
) {
1063 bmval1
|= FATTR4_WORD1_TIME_MODIFY_SET
;
1064 *p
++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME
);
1065 *p
++ = cpu_to_be32(0);
1066 *p
++ = cpu_to_be32(iap
->ia_mtime
.tv_sec
);
1067 *p
++ = cpu_to_be32(iap
->ia_mtime
.tv_nsec
);
1069 else if (iap
->ia_valid
& ATTR_MTIME
) {
1070 bmval1
|= FATTR4_WORD1_TIME_MODIFY_SET
;
1071 *p
++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME
);
1075 * Now we backfill the bitmap and the attribute buffer length.
1077 if (len
!= ((char *)p
- (char *)q
) + 4) {
1078 printk(KERN_ERR
"NFS: Attr length error, %u != %Zu\n",
1079 len
, ((char *)p
- (char *)q
) + 4);
1082 len
= (char *)p
- (char *)q
- 12;
1083 *q
++ = htonl(bmval0
);
1084 *q
++ = htonl(bmval1
);
1090 static void encode_access(struct xdr_stream
*xdr
, u32 access
, struct compound_hdr
*hdr
)
1092 encode_op_hdr(xdr
, OP_ACCESS
, decode_access_maxsz
, hdr
);
1093 encode_uint32(xdr
, access
);
1096 static void encode_close(struct xdr_stream
*xdr
, const struct nfs_closeargs
*arg
, struct compound_hdr
*hdr
)
1098 encode_op_hdr(xdr
, OP_CLOSE
, decode_close_maxsz
, hdr
);
1099 encode_nfs4_seqid(xdr
, arg
->seqid
);
1100 encode_nfs4_stateid(xdr
, arg
->stateid
);
1103 static void encode_commit(struct xdr_stream
*xdr
, const struct nfs_commitargs
*args
, struct compound_hdr
*hdr
)
1107 encode_op_hdr(xdr
, OP_COMMIT
, decode_commit_maxsz
, hdr
);
1108 p
= reserve_space(xdr
, 12);
1109 p
= xdr_encode_hyper(p
, args
->offset
);
1110 *p
= cpu_to_be32(args
->count
);
1113 static void encode_create(struct xdr_stream
*xdr
, const struct nfs4_create_arg
*create
, struct compound_hdr
*hdr
)
1117 encode_op_hdr(xdr
, OP_CREATE
, decode_create_maxsz
, hdr
);
1118 encode_uint32(xdr
, create
->ftype
);
1120 switch (create
->ftype
) {
1122 p
= reserve_space(xdr
, 4);
1123 *p
= cpu_to_be32(create
->u
.symlink
.len
);
1124 xdr_write_pages(xdr
, create
->u
.symlink
.pages
, 0, create
->u
.symlink
.len
);
1127 case NF4BLK
: case NF4CHR
:
1128 p
= reserve_space(xdr
, 8);
1129 *p
++ = cpu_to_be32(create
->u
.device
.specdata1
);
1130 *p
= cpu_to_be32(create
->u
.device
.specdata2
);
1137 encode_string(xdr
, create
->name
->len
, create
->name
->name
);
1138 encode_attrs(xdr
, create
->attrs
, create
->server
);
1141 static void encode_getattr_one(struct xdr_stream
*xdr
, uint32_t bitmap
, struct compound_hdr
*hdr
)
1145 encode_op_hdr(xdr
, OP_GETATTR
, decode_getattr_maxsz
, hdr
);
1146 p
= reserve_space(xdr
, 8);
1147 *p
++ = cpu_to_be32(1);
1148 *p
= cpu_to_be32(bitmap
);
1151 static void encode_getattr_two(struct xdr_stream
*xdr
, uint32_t bm0
, uint32_t bm1
, struct compound_hdr
*hdr
)
1155 encode_op_hdr(xdr
, OP_GETATTR
, decode_getattr_maxsz
, hdr
);
1156 p
= reserve_space(xdr
, 12);
1157 *p
++ = cpu_to_be32(2);
1158 *p
++ = cpu_to_be32(bm0
);
1159 *p
= cpu_to_be32(bm1
);
1163 encode_getattr_three(struct xdr_stream
*xdr
,
1164 uint32_t bm0
, uint32_t bm1
, uint32_t bm2
,
1165 struct compound_hdr
*hdr
)
1169 encode_op_hdr(xdr
, OP_GETATTR
, decode_getattr_maxsz
, hdr
);
1171 p
= reserve_space(xdr
, 16);
1172 *p
++ = cpu_to_be32(3);
1173 *p
++ = cpu_to_be32(bm0
);
1174 *p
++ = cpu_to_be32(bm1
);
1175 *p
= cpu_to_be32(bm2
);
1177 p
= reserve_space(xdr
, 12);
1178 *p
++ = cpu_to_be32(2);
1179 *p
++ = cpu_to_be32(bm0
);
1180 *p
= cpu_to_be32(bm1
);
1182 p
= reserve_space(xdr
, 8);
1183 *p
++ = cpu_to_be32(1);
1184 *p
= cpu_to_be32(bm0
);
1188 static void encode_getfattr(struct xdr_stream
*xdr
, const u32
* bitmask
, struct compound_hdr
*hdr
)
1190 encode_getattr_two(xdr
, bitmask
[0] & nfs4_fattr_bitmap
[0],
1191 bitmask
[1] & nfs4_fattr_bitmap
[1], hdr
);
1194 static void encode_getfattr_open(struct xdr_stream
*xdr
, const u32
*bitmask
,
1195 const u32
*open_bitmap
,
1196 struct compound_hdr
*hdr
)
1198 encode_getattr_three(xdr
,
1199 bitmask
[0] & open_bitmap
[0],
1200 bitmask
[1] & open_bitmap
[1],
1201 bitmask
[2] & open_bitmap
[2],
1205 static void encode_fsinfo(struct xdr_stream
*xdr
, const u32
* bitmask
, struct compound_hdr
*hdr
)
1207 encode_getattr_three(xdr
,
1208 bitmask
[0] & nfs4_fsinfo_bitmap
[0],
1209 bitmask
[1] & nfs4_fsinfo_bitmap
[1],
1210 bitmask
[2] & nfs4_fsinfo_bitmap
[2],
1214 static void encode_fs_locations(struct xdr_stream
*xdr
, const u32
* bitmask
, struct compound_hdr
*hdr
)
1216 encode_getattr_two(xdr
, bitmask
[0] & nfs4_fs_locations_bitmap
[0],
1217 bitmask
[1] & nfs4_fs_locations_bitmap
[1], hdr
);
1220 static void encode_getfh(struct xdr_stream
*xdr
, struct compound_hdr
*hdr
)
1222 encode_op_hdr(xdr
, OP_GETFH
, decode_getfh_maxsz
, hdr
);
1225 static void encode_link(struct xdr_stream
*xdr
, const struct qstr
*name
, struct compound_hdr
*hdr
)
1227 encode_op_hdr(xdr
, OP_LINK
, decode_link_maxsz
, hdr
);
1228 encode_string(xdr
, name
->len
, name
->name
);
1231 static inline int nfs4_lock_type(struct file_lock
*fl
, int block
)
1233 if (fl
->fl_type
== F_RDLCK
)
1234 return block
? NFS4_READW_LT
: NFS4_READ_LT
;
1235 return block
? NFS4_WRITEW_LT
: NFS4_WRITE_LT
;
1238 static inline uint64_t nfs4_lock_length(struct file_lock
*fl
)
1240 if (fl
->fl_end
== OFFSET_MAX
)
1241 return ~(uint64_t)0;
1242 return fl
->fl_end
- fl
->fl_start
+ 1;
1245 static void encode_lockowner(struct xdr_stream
*xdr
, const struct nfs_lowner
*lowner
)
1249 p
= reserve_space(xdr
, 32);
1250 p
= xdr_encode_hyper(p
, lowner
->clientid
);
1251 *p
++ = cpu_to_be32(20);
1252 p
= xdr_encode_opaque_fixed(p
, "lock id:", 8);
1253 *p
++ = cpu_to_be32(lowner
->s_dev
);
1254 xdr_encode_hyper(p
, lowner
->id
);
1258 * opcode,type,reclaim,offset,length,new_lock_owner = 32
1259 * open_seqid,open_stateid,lock_seqid,lock_owner.clientid, lock_owner.id = 40
1261 static void encode_lock(struct xdr_stream
*xdr
, const struct nfs_lock_args
*args
, struct compound_hdr
*hdr
)
1265 encode_op_hdr(xdr
, OP_LOCK
, decode_lock_maxsz
, hdr
);
1266 p
= reserve_space(xdr
, 28);
1267 *p
++ = cpu_to_be32(nfs4_lock_type(args
->fl
, args
->block
));
1268 *p
++ = cpu_to_be32(args
->reclaim
);
1269 p
= xdr_encode_hyper(p
, args
->fl
->fl_start
);
1270 p
= xdr_encode_hyper(p
, nfs4_lock_length(args
->fl
));
1271 *p
= cpu_to_be32(args
->new_lock_owner
);
1272 if (args
->new_lock_owner
){
1273 encode_nfs4_seqid(xdr
, args
->open_seqid
);
1274 encode_nfs4_stateid(xdr
, args
->open_stateid
);
1275 encode_nfs4_seqid(xdr
, args
->lock_seqid
);
1276 encode_lockowner(xdr
, &args
->lock_owner
);
1279 encode_nfs4_stateid(xdr
, args
->lock_stateid
);
1280 encode_nfs4_seqid(xdr
, args
->lock_seqid
);
1284 static void encode_lockt(struct xdr_stream
*xdr
, const struct nfs_lockt_args
*args
, struct compound_hdr
*hdr
)
1288 encode_op_hdr(xdr
, OP_LOCKT
, decode_lockt_maxsz
, hdr
);
1289 p
= reserve_space(xdr
, 20);
1290 *p
++ = cpu_to_be32(nfs4_lock_type(args
->fl
, 0));
1291 p
= xdr_encode_hyper(p
, args
->fl
->fl_start
);
1292 p
= xdr_encode_hyper(p
, nfs4_lock_length(args
->fl
));
1293 encode_lockowner(xdr
, &args
->lock_owner
);
1296 static void encode_locku(struct xdr_stream
*xdr
, const struct nfs_locku_args
*args
, struct compound_hdr
*hdr
)
1300 encode_op_hdr(xdr
, OP_LOCKU
, decode_locku_maxsz
, hdr
);
1301 encode_uint32(xdr
, nfs4_lock_type(args
->fl
, 0));
1302 encode_nfs4_seqid(xdr
, args
->seqid
);
1303 encode_nfs4_stateid(xdr
, args
->stateid
);
1304 p
= reserve_space(xdr
, 16);
1305 p
= xdr_encode_hyper(p
, args
->fl
->fl_start
);
1306 xdr_encode_hyper(p
, nfs4_lock_length(args
->fl
));
1309 static void encode_release_lockowner(struct xdr_stream
*xdr
, const struct nfs_lowner
*lowner
, struct compound_hdr
*hdr
)
1311 encode_op_hdr(xdr
, OP_RELEASE_LOCKOWNER
, decode_release_lockowner_maxsz
, hdr
);
1312 encode_lockowner(xdr
, lowner
);
1315 static void encode_lookup(struct xdr_stream
*xdr
, const struct qstr
*name
, struct compound_hdr
*hdr
)
1317 encode_op_hdr(xdr
, OP_LOOKUP
, decode_lookup_maxsz
, hdr
);
1318 encode_string(xdr
, name
->len
, name
->name
);
1321 static void encode_share_access(struct xdr_stream
*xdr
, fmode_t fmode
)
1325 p
= reserve_space(xdr
, 8);
1326 switch (fmode
& (FMODE_READ
|FMODE_WRITE
)) {
1328 *p
++ = cpu_to_be32(NFS4_SHARE_ACCESS_READ
);
1331 *p
++ = cpu_to_be32(NFS4_SHARE_ACCESS_WRITE
);
1333 case FMODE_READ
|FMODE_WRITE
:
1334 *p
++ = cpu_to_be32(NFS4_SHARE_ACCESS_BOTH
);
1337 *p
++ = cpu_to_be32(0);
1339 *p
= cpu_to_be32(0); /* for linux, share_deny = 0 always */
1342 static inline void encode_openhdr(struct xdr_stream
*xdr
, const struct nfs_openargs
*arg
)
1346 * opcode 4, seqid 4, share_access 4, share_deny 4, clientid 8, ownerlen 4,
1349 encode_nfs4_seqid(xdr
, arg
->seqid
);
1350 encode_share_access(xdr
, arg
->fmode
);
1351 p
= reserve_space(xdr
, 36);
1352 p
= xdr_encode_hyper(p
, arg
->clientid
);
1353 *p
++ = cpu_to_be32(24);
1354 p
= xdr_encode_opaque_fixed(p
, "open id:", 8);
1355 *p
++ = cpu_to_be32(arg
->server
->s_dev
);
1356 *p
++ = cpu_to_be32(arg
->id
.uniquifier
);
1357 xdr_encode_hyper(p
, arg
->id
.create_time
);
1360 static inline void encode_createmode(struct xdr_stream
*xdr
, const struct nfs_openargs
*arg
)
1363 struct nfs_client
*clp
;
1365 p
= reserve_space(xdr
, 4);
1366 switch(arg
->open_flags
& O_EXCL
) {
1368 *p
= cpu_to_be32(NFS4_CREATE_UNCHECKED
);
1369 encode_attrs(xdr
, arg
->u
.attrs
, arg
->server
);
1372 clp
= arg
->server
->nfs_client
;
1373 if (clp
->cl_mvops
->minor_version
> 0) {
1374 if (nfs4_has_persistent_session(clp
)) {
1375 *p
= cpu_to_be32(NFS4_CREATE_GUARDED
);
1376 encode_attrs(xdr
, arg
->u
.attrs
, arg
->server
);
1380 *p
= cpu_to_be32(NFS4_CREATE_EXCLUSIVE4_1
);
1381 encode_nfs4_verifier(xdr
, &arg
->u
.verifier
);
1383 encode_attrs(xdr
, &dummy
, arg
->server
);
1386 *p
= cpu_to_be32(NFS4_CREATE_EXCLUSIVE
);
1387 encode_nfs4_verifier(xdr
, &arg
->u
.verifier
);
1392 static void encode_opentype(struct xdr_stream
*xdr
, const struct nfs_openargs
*arg
)
1396 p
= reserve_space(xdr
, 4);
1397 switch (arg
->open_flags
& O_CREAT
) {
1399 *p
= cpu_to_be32(NFS4_OPEN_NOCREATE
);
1402 BUG_ON(arg
->claim
!= NFS4_OPEN_CLAIM_NULL
);
1403 *p
= cpu_to_be32(NFS4_OPEN_CREATE
);
1404 encode_createmode(xdr
, arg
);
1408 static inline void encode_delegation_type(struct xdr_stream
*xdr
, fmode_t delegation_type
)
1412 p
= reserve_space(xdr
, 4);
1413 switch (delegation_type
) {
1415 *p
= cpu_to_be32(NFS4_OPEN_DELEGATE_NONE
);
1418 *p
= cpu_to_be32(NFS4_OPEN_DELEGATE_READ
);
1420 case FMODE_WRITE
|FMODE_READ
:
1421 *p
= cpu_to_be32(NFS4_OPEN_DELEGATE_WRITE
);
1428 static inline void encode_claim_null(struct xdr_stream
*xdr
, const struct qstr
*name
)
1432 p
= reserve_space(xdr
, 4);
1433 *p
= cpu_to_be32(NFS4_OPEN_CLAIM_NULL
);
1434 encode_string(xdr
, name
->len
, name
->name
);
1437 static inline void encode_claim_previous(struct xdr_stream
*xdr
, fmode_t type
)
1441 p
= reserve_space(xdr
, 4);
1442 *p
= cpu_to_be32(NFS4_OPEN_CLAIM_PREVIOUS
);
1443 encode_delegation_type(xdr
, type
);
1446 static inline void encode_claim_delegate_cur(struct xdr_stream
*xdr
, const struct qstr
*name
, const nfs4_stateid
*stateid
)
1450 p
= reserve_space(xdr
, 4);
1451 *p
= cpu_to_be32(NFS4_OPEN_CLAIM_DELEGATE_CUR
);
1452 encode_nfs4_stateid(xdr
, stateid
);
1453 encode_string(xdr
, name
->len
, name
->name
);
1456 static void encode_open(struct xdr_stream
*xdr
, const struct nfs_openargs
*arg
, struct compound_hdr
*hdr
)
1458 encode_op_hdr(xdr
, OP_OPEN
, decode_open_maxsz
, hdr
);
1459 encode_openhdr(xdr
, arg
);
1460 encode_opentype(xdr
, arg
);
1461 switch (arg
->claim
) {
1462 case NFS4_OPEN_CLAIM_NULL
:
1463 encode_claim_null(xdr
, arg
->name
);
1465 case NFS4_OPEN_CLAIM_PREVIOUS
:
1466 encode_claim_previous(xdr
, arg
->u
.delegation_type
);
1468 case NFS4_OPEN_CLAIM_DELEGATE_CUR
:
1469 encode_claim_delegate_cur(xdr
, arg
->name
, &arg
->u
.delegation
);
1476 static void encode_open_confirm(struct xdr_stream
*xdr
, const struct nfs_open_confirmargs
*arg
, struct compound_hdr
*hdr
)
1478 encode_op_hdr(xdr
, OP_OPEN_CONFIRM
, decode_open_confirm_maxsz
, hdr
);
1479 encode_nfs4_stateid(xdr
, arg
->stateid
);
1480 encode_nfs4_seqid(xdr
, arg
->seqid
);
1483 static void encode_open_downgrade(struct xdr_stream
*xdr
, const struct nfs_closeargs
*arg
, struct compound_hdr
*hdr
)
1485 encode_op_hdr(xdr
, OP_OPEN_DOWNGRADE
, decode_open_downgrade_maxsz
, hdr
);
1486 encode_nfs4_stateid(xdr
, arg
->stateid
);
1487 encode_nfs4_seqid(xdr
, arg
->seqid
);
1488 encode_share_access(xdr
, arg
->fmode
);
1492 encode_putfh(struct xdr_stream
*xdr
, const struct nfs_fh
*fh
, struct compound_hdr
*hdr
)
1494 encode_op_hdr(xdr
, OP_PUTFH
, decode_putfh_maxsz
, hdr
);
1495 encode_string(xdr
, fh
->size
, fh
->data
);
1498 static void encode_putrootfh(struct xdr_stream
*xdr
, struct compound_hdr
*hdr
)
1500 encode_op_hdr(xdr
, OP_PUTROOTFH
, decode_putrootfh_maxsz
, hdr
);
1503 static void encode_open_stateid(struct xdr_stream
*xdr
,
1504 const struct nfs_open_context
*ctx
,
1505 const struct nfs_lock_context
*l_ctx
,
1509 nfs4_stateid stateid
;
1511 if (ctx
->state
!= NULL
) {
1512 nfs4_select_rw_stateid(&stateid
, ctx
->state
,
1513 fmode
, l_ctx
->lockowner
, l_ctx
->pid
);
1516 encode_nfs4_stateid(xdr
, &stateid
);
1518 encode_nfs4_stateid(xdr
, &zero_stateid
);
1521 static void encode_read(struct xdr_stream
*xdr
, const struct nfs_readargs
*args
, struct compound_hdr
*hdr
)
1525 encode_op_hdr(xdr
, OP_READ
, decode_read_maxsz
, hdr
);
1526 encode_open_stateid(xdr
, args
->context
, args
->lock_context
,
1527 FMODE_READ
, hdr
->minorversion
);
1529 p
= reserve_space(xdr
, 12);
1530 p
= xdr_encode_hyper(p
, args
->offset
);
1531 *p
= cpu_to_be32(args
->count
);
1534 static void encode_readdir(struct xdr_stream
*xdr
, const struct nfs4_readdir_arg
*readdir
, struct rpc_rqst
*req
, struct compound_hdr
*hdr
)
1536 uint32_t attrs
[2] = {
1537 FATTR4_WORD0_RDATTR_ERROR
,
1538 FATTR4_WORD1_MOUNTED_ON_FILEID
,
1540 uint32_t dircount
= readdir
->count
>> 1;
1543 if (readdir
->plus
) {
1544 attrs
[0] |= FATTR4_WORD0_TYPE
|FATTR4_WORD0_CHANGE
|FATTR4_WORD0_SIZE
|
1545 FATTR4_WORD0_FSID
|FATTR4_WORD0_FILEHANDLE
|FATTR4_WORD0_FILEID
;
1546 attrs
[1] |= FATTR4_WORD1_MODE
|FATTR4_WORD1_NUMLINKS
|FATTR4_WORD1_OWNER
|
1547 FATTR4_WORD1_OWNER_GROUP
|FATTR4_WORD1_RAWDEV
|
1548 FATTR4_WORD1_SPACE_USED
|FATTR4_WORD1_TIME_ACCESS
|
1549 FATTR4_WORD1_TIME_METADATA
|FATTR4_WORD1_TIME_MODIFY
;
1552 /* Use mounted_on_fileid only if the server supports it */
1553 if (!(readdir
->bitmask
[1] & FATTR4_WORD1_MOUNTED_ON_FILEID
))
1554 attrs
[0] |= FATTR4_WORD0_FILEID
;
1556 encode_op_hdr(xdr
, OP_READDIR
, decode_readdir_maxsz
, hdr
);
1557 encode_uint64(xdr
, readdir
->cookie
);
1558 encode_nfs4_verifier(xdr
, &readdir
->verifier
);
1559 p
= reserve_space(xdr
, 20);
1560 *p
++ = cpu_to_be32(dircount
);
1561 *p
++ = cpu_to_be32(readdir
->count
);
1562 *p
++ = cpu_to_be32(2);
1564 *p
++ = cpu_to_be32(attrs
[0] & readdir
->bitmask
[0]);
1565 *p
= cpu_to_be32(attrs
[1] & readdir
->bitmask
[1]);
1566 memcpy(verf
, readdir
->verifier
.data
, sizeof(verf
));
1567 dprintk("%s: cookie = %Lu, verifier = %08x:%08x, bitmap = %08x:%08x\n",
1569 (unsigned long long)readdir
->cookie
,
1571 attrs
[0] & readdir
->bitmask
[0],
1572 attrs
[1] & readdir
->bitmask
[1]);
1575 static void encode_readlink(struct xdr_stream
*xdr
, const struct nfs4_readlink
*readlink
, struct rpc_rqst
*req
, struct compound_hdr
*hdr
)
1577 encode_op_hdr(xdr
, OP_READLINK
, decode_readlink_maxsz
, hdr
);
1580 static void encode_remove(struct xdr_stream
*xdr
, const struct qstr
*name
, struct compound_hdr
*hdr
)
1582 encode_op_hdr(xdr
, OP_REMOVE
, decode_remove_maxsz
, hdr
);
1583 encode_string(xdr
, name
->len
, name
->name
);
1586 static void encode_rename(struct xdr_stream
*xdr
, const struct qstr
*oldname
, const struct qstr
*newname
, struct compound_hdr
*hdr
)
1588 encode_op_hdr(xdr
, OP_RENAME
, decode_rename_maxsz
, hdr
);
1589 encode_string(xdr
, oldname
->len
, oldname
->name
);
1590 encode_string(xdr
, newname
->len
, newname
->name
);
1593 static void encode_renew(struct xdr_stream
*xdr
, clientid4 clid
,
1594 struct compound_hdr
*hdr
)
1596 encode_op_hdr(xdr
, OP_RENEW
, decode_renew_maxsz
, hdr
);
1597 encode_uint64(xdr
, clid
);
1601 encode_restorefh(struct xdr_stream
*xdr
, struct compound_hdr
*hdr
)
1603 encode_op_hdr(xdr
, OP_RESTOREFH
, decode_restorefh_maxsz
, hdr
);
1607 encode_setacl(struct xdr_stream
*xdr
, struct nfs_setaclargs
*arg
, struct compound_hdr
*hdr
)
1611 encode_op_hdr(xdr
, OP_SETATTR
, decode_setacl_maxsz
, hdr
);
1612 encode_nfs4_stateid(xdr
, &zero_stateid
);
1613 p
= reserve_space(xdr
, 2*4);
1614 *p
++ = cpu_to_be32(1);
1615 *p
= cpu_to_be32(FATTR4_WORD0_ACL
);
1616 BUG_ON(arg
->acl_len
% 4);
1617 p
= reserve_space(xdr
, 4);
1618 *p
= cpu_to_be32(arg
->acl_len
);
1619 xdr_write_pages(xdr
, arg
->acl_pages
, arg
->acl_pgbase
, arg
->acl_len
);
1623 encode_savefh(struct xdr_stream
*xdr
, struct compound_hdr
*hdr
)
1625 encode_op_hdr(xdr
, OP_SAVEFH
, decode_savefh_maxsz
, hdr
);
1628 static void encode_setattr(struct xdr_stream
*xdr
, const struct nfs_setattrargs
*arg
, const struct nfs_server
*server
, struct compound_hdr
*hdr
)
1630 encode_op_hdr(xdr
, OP_SETATTR
, decode_setattr_maxsz
, hdr
);
1631 encode_nfs4_stateid(xdr
, &arg
->stateid
);
1632 encode_attrs(xdr
, arg
->iap
, server
);
1635 static void encode_setclientid(struct xdr_stream
*xdr
, const struct nfs4_setclientid
*setclientid
, struct compound_hdr
*hdr
)
1639 encode_op_hdr(xdr
, OP_SETCLIENTID
, decode_setclientid_maxsz
, hdr
);
1640 encode_nfs4_verifier(xdr
, setclientid
->sc_verifier
);
1642 encode_string(xdr
, setclientid
->sc_name_len
, setclientid
->sc_name
);
1643 p
= reserve_space(xdr
, 4);
1644 *p
= cpu_to_be32(setclientid
->sc_prog
);
1645 encode_string(xdr
, setclientid
->sc_netid_len
, setclientid
->sc_netid
);
1646 encode_string(xdr
, setclientid
->sc_uaddr_len
, setclientid
->sc_uaddr
);
1647 p
= reserve_space(xdr
, 4);
1648 *p
= cpu_to_be32(setclientid
->sc_cb_ident
);
1651 static void encode_setclientid_confirm(struct xdr_stream
*xdr
, const struct nfs4_setclientid_res
*arg
, struct compound_hdr
*hdr
)
1653 encode_op_hdr(xdr
, OP_SETCLIENTID_CONFIRM
,
1654 decode_setclientid_confirm_maxsz
, hdr
);
1655 encode_uint64(xdr
, arg
->clientid
);
1656 encode_nfs4_verifier(xdr
, &arg
->confirm
);
1659 static void encode_write(struct xdr_stream
*xdr
, const struct nfs_writeargs
*args
, struct compound_hdr
*hdr
)
1663 encode_op_hdr(xdr
, OP_WRITE
, decode_write_maxsz
, hdr
);
1664 encode_open_stateid(xdr
, args
->context
, args
->lock_context
,
1665 FMODE_WRITE
, hdr
->minorversion
);
1667 p
= reserve_space(xdr
, 16);
1668 p
= xdr_encode_hyper(p
, args
->offset
);
1669 *p
++ = cpu_to_be32(args
->stable
);
1670 *p
= cpu_to_be32(args
->count
);
1672 xdr_write_pages(xdr
, args
->pages
, args
->pgbase
, args
->count
);
1675 static void encode_delegreturn(struct xdr_stream
*xdr
, const nfs4_stateid
*stateid
, struct compound_hdr
*hdr
)
1677 encode_op_hdr(xdr
, OP_DELEGRETURN
, decode_delegreturn_maxsz
, hdr
);
1678 encode_nfs4_stateid(xdr
, stateid
);
1681 static void encode_secinfo(struct xdr_stream
*xdr
, const struct qstr
*name
, struct compound_hdr
*hdr
)
1683 encode_op_hdr(xdr
, OP_SECINFO
, decode_secinfo_maxsz
, hdr
);
1684 encode_string(xdr
, name
->len
, name
->name
);
1687 #if defined(CONFIG_NFS_V4_1)
1688 /* NFSv4.1 operations */
1689 static void encode_bind_conn_to_session(struct xdr_stream
*xdr
,
1690 struct nfs4_session
*session
,
1691 struct compound_hdr
*hdr
)
1695 encode_op_hdr(xdr
, OP_BIND_CONN_TO_SESSION
,
1696 decode_bind_conn_to_session_maxsz
, hdr
);
1697 encode_opaque_fixed(xdr
, session
->sess_id
.data
, NFS4_MAX_SESSIONID_LEN
);
1698 p
= xdr_reserve_space(xdr
, 8);
1699 *p
++ = cpu_to_be32(NFS4_CDFC4_BACK_OR_BOTH
);
1700 *p
= 0; /* use_conn_in_rdma_mode = False */
1703 static void encode_exchange_id(struct xdr_stream
*xdr
,
1704 struct nfs41_exchange_id_args
*args
,
1705 struct compound_hdr
*hdr
)
1708 char impl_name
[NFS4_OPAQUE_LIMIT
];
1711 encode_op_hdr(xdr
, OP_EXCHANGE_ID
, decode_exchange_id_maxsz
, hdr
);
1712 encode_nfs4_verifier(xdr
, args
->verifier
);
1714 encode_string(xdr
, args
->id_len
, args
->id
);
1716 p
= reserve_space(xdr
, 12);
1717 *p
++ = cpu_to_be32(args
->flags
);
1718 *p
++ = cpu_to_be32(0); /* zero length state_protect4_a */
1720 if (send_implementation_id
&&
1721 sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN
) > 1 &&
1722 sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN
)
1723 <= NFS4_OPAQUE_LIMIT
+ 1)
1724 len
= snprintf(impl_name
, sizeof(impl_name
), "%s %s %s %s",
1725 utsname()->sysname
, utsname()->release
,
1726 utsname()->version
, utsname()->machine
);
1729 *p
= cpu_to_be32(1); /* implementation id array length=1 */
1732 sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN
) - 1,
1733 CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN
);
1734 encode_string(xdr
, len
, impl_name
);
1735 /* just send zeros for nii_date - the date is in nii_name */
1736 p
= reserve_space(xdr
, 12);
1737 p
= xdr_encode_hyper(p
, 0);
1738 *p
= cpu_to_be32(0);
1740 *p
= cpu_to_be32(0); /* implementation id array length=0 */
1743 static void encode_create_session(struct xdr_stream
*xdr
,
1744 struct nfs41_create_session_args
*args
,
1745 struct compound_hdr
*hdr
)
1748 char machine_name
[NFS4_MAX_MACHINE_NAME_LEN
];
1750 struct nfs_client
*clp
= args
->client
;
1751 struct nfs_net
*nn
= net_generic(clp
->cl_net
, nfs_net_id
);
1752 u32 max_resp_sz_cached
;
1755 * Assumes OPEN is the biggest non-idempotent compound.
1756 * 2 is the verifier.
1758 max_resp_sz_cached
= (NFS4_dec_open_sz
+ RPC_REPHDRSIZE
+
1759 RPC_MAX_AUTH_SIZE
+ 2) * XDR_UNIT
;
1761 len
= scnprintf(machine_name
, sizeof(machine_name
), "%s",
1764 encode_op_hdr(xdr
, OP_CREATE_SESSION
, decode_create_session_maxsz
, hdr
);
1765 p
= reserve_space(xdr
, 16 + 2*28 + 20 + len
+ 12);
1766 p
= xdr_encode_hyper(p
, clp
->cl_clientid
);
1767 *p
++ = cpu_to_be32(clp
->cl_seqid
); /*Sequence id */
1768 *p
++ = cpu_to_be32(args
->flags
); /*flags */
1771 *p
++ = cpu_to_be32(0); /* header padding size */
1772 *p
++ = cpu_to_be32(args
->fc_attrs
.max_rqst_sz
); /* max req size */
1773 *p
++ = cpu_to_be32(args
->fc_attrs
.max_resp_sz
); /* max resp size */
1774 *p
++ = cpu_to_be32(max_resp_sz_cached
); /* Max resp sz cached */
1775 *p
++ = cpu_to_be32(args
->fc_attrs
.max_ops
); /* max operations */
1776 *p
++ = cpu_to_be32(args
->fc_attrs
.max_reqs
); /* max requests */
1777 *p
++ = cpu_to_be32(0); /* rdmachannel_attrs */
1780 *p
++ = cpu_to_be32(0); /* header padding size */
1781 *p
++ = cpu_to_be32(args
->bc_attrs
.max_rqst_sz
); /* max req size */
1782 *p
++ = cpu_to_be32(args
->bc_attrs
.max_resp_sz
); /* max resp size */
1783 *p
++ = cpu_to_be32(args
->bc_attrs
.max_resp_sz_cached
); /* Max resp sz cached */
1784 *p
++ = cpu_to_be32(args
->bc_attrs
.max_ops
); /* max operations */
1785 *p
++ = cpu_to_be32(args
->bc_attrs
.max_reqs
); /* max requests */
1786 *p
++ = cpu_to_be32(0); /* rdmachannel_attrs */
1788 *p
++ = cpu_to_be32(args
->cb_program
); /* cb_program */
1789 *p
++ = cpu_to_be32(1);
1790 *p
++ = cpu_to_be32(RPC_AUTH_UNIX
); /* auth_sys */
1792 /* authsys_parms rfc1831 */
1793 *p
++ = (__be32
)nn
->boot_time
.tv_nsec
; /* stamp */
1794 p
= xdr_encode_opaque(p
, machine_name
, len
);
1795 *p
++ = cpu_to_be32(0); /* UID */
1796 *p
++ = cpu_to_be32(0); /* GID */
1797 *p
= cpu_to_be32(0); /* No more gids */
1800 static void encode_destroy_session(struct xdr_stream
*xdr
,
1801 struct nfs4_session
*session
,
1802 struct compound_hdr
*hdr
)
1804 encode_op_hdr(xdr
, OP_DESTROY_SESSION
, decode_destroy_session_maxsz
, hdr
);
1805 encode_opaque_fixed(xdr
, session
->sess_id
.data
, NFS4_MAX_SESSIONID_LEN
);
1808 static void encode_destroy_clientid(struct xdr_stream
*xdr
,
1810 struct compound_hdr
*hdr
)
1812 encode_op_hdr(xdr
, OP_DESTROY_CLIENTID
, decode_destroy_clientid_maxsz
, hdr
);
1813 encode_uint64(xdr
, clientid
);
1816 static void encode_reclaim_complete(struct xdr_stream
*xdr
,
1817 struct nfs41_reclaim_complete_args
*args
,
1818 struct compound_hdr
*hdr
)
1820 encode_op_hdr(xdr
, OP_RECLAIM_COMPLETE
, decode_reclaim_complete_maxsz
, hdr
);
1821 encode_uint32(xdr
, args
->one_fs
);
1823 #endif /* CONFIG_NFS_V4_1 */
1825 static void encode_sequence(struct xdr_stream
*xdr
,
1826 const struct nfs4_sequence_args
*args
,
1827 struct compound_hdr
*hdr
)
1829 #if defined(CONFIG_NFS_V4_1)
1830 struct nfs4_session
*session
= args
->sa_session
;
1831 struct nfs4_slot_table
*tp
;
1832 struct nfs4_slot
*slot
;
1838 tp
= &session
->fc_slot_table
;
1840 WARN_ON(args
->sa_slotid
== NFS4_MAX_SLOT_TABLE
);
1841 slot
= tp
->slots
+ args
->sa_slotid
;
1843 encode_op_hdr(xdr
, OP_SEQUENCE
, decode_sequence_maxsz
, hdr
);
1846 * Sessionid + seqid + slotid + max slotid + cache_this
1848 dprintk("%s: sessionid=%u:%u:%u:%u seqid=%d slotid=%d "
1849 "max_slotid=%d cache_this=%d\n",
1851 ((u32
*)session
->sess_id
.data
)[0],
1852 ((u32
*)session
->sess_id
.data
)[1],
1853 ((u32
*)session
->sess_id
.data
)[2],
1854 ((u32
*)session
->sess_id
.data
)[3],
1855 slot
->seq_nr
, args
->sa_slotid
,
1856 tp
->highest_used_slotid
, args
->sa_cache_this
);
1857 p
= reserve_space(xdr
, NFS4_MAX_SESSIONID_LEN
+ 16);
1858 p
= xdr_encode_opaque_fixed(p
, session
->sess_id
.data
, NFS4_MAX_SESSIONID_LEN
);
1859 *p
++ = cpu_to_be32(slot
->seq_nr
);
1860 *p
++ = cpu_to_be32(args
->sa_slotid
);
1861 *p
++ = cpu_to_be32(tp
->highest_used_slotid
);
1862 *p
= cpu_to_be32(args
->sa_cache_this
);
1863 #endif /* CONFIG_NFS_V4_1 */
1866 #ifdef CONFIG_NFS_V4_1
1868 encode_getdevicelist(struct xdr_stream
*xdr
,
1869 const struct nfs4_getdevicelist_args
*args
,
1870 struct compound_hdr
*hdr
)
1873 nfs4_verifier dummy
= {
1877 encode_op_hdr(xdr
, OP_GETDEVICELIST
, decode_getdevicelist_maxsz
, hdr
);
1878 p
= reserve_space(xdr
, 16);
1879 *p
++ = cpu_to_be32(args
->layoutclass
);
1880 *p
++ = cpu_to_be32(NFS4_PNFS_GETDEVLIST_MAXNUM
);
1881 xdr_encode_hyper(p
, 0ULL); /* cookie */
1882 encode_nfs4_verifier(xdr
, &dummy
);
1886 encode_getdeviceinfo(struct xdr_stream
*xdr
,
1887 const struct nfs4_getdeviceinfo_args
*args
,
1888 struct compound_hdr
*hdr
)
1892 encode_op_hdr(xdr
, OP_GETDEVICEINFO
, decode_getdeviceinfo_maxsz
, hdr
);
1893 p
= reserve_space(xdr
, 12 + NFS4_DEVICEID4_SIZE
);
1894 p
= xdr_encode_opaque_fixed(p
, args
->pdev
->dev_id
.data
,
1895 NFS4_DEVICEID4_SIZE
);
1896 *p
++ = cpu_to_be32(args
->pdev
->layout_type
);
1897 *p
++ = cpu_to_be32(args
->pdev
->pglen
); /* gdia_maxcount */
1898 *p
++ = cpu_to_be32(0); /* bitmap length 0 */
1902 encode_layoutget(struct xdr_stream
*xdr
,
1903 const struct nfs4_layoutget_args
*args
,
1904 struct compound_hdr
*hdr
)
1908 encode_op_hdr(xdr
, OP_LAYOUTGET
, decode_layoutget_maxsz
, hdr
);
1909 p
= reserve_space(xdr
, 36);
1910 *p
++ = cpu_to_be32(0); /* Signal layout available */
1911 *p
++ = cpu_to_be32(args
->type
);
1912 *p
++ = cpu_to_be32(args
->range
.iomode
);
1913 p
= xdr_encode_hyper(p
, args
->range
.offset
);
1914 p
= xdr_encode_hyper(p
, args
->range
.length
);
1915 p
= xdr_encode_hyper(p
, args
->minlength
);
1916 encode_nfs4_stateid(xdr
, &args
->stateid
);
1917 encode_uint32(xdr
, args
->maxcount
);
1919 dprintk("%s: 1st type:0x%x iomode:%d off:%lu len:%lu mc:%d\n",
1923 (unsigned long)args
->range
.offset
,
1924 (unsigned long)args
->range
.length
,
1929 encode_layoutcommit(struct xdr_stream
*xdr
,
1930 struct inode
*inode
,
1931 const struct nfs4_layoutcommit_args
*args
,
1932 struct compound_hdr
*hdr
)
1936 dprintk("%s: lbw: %llu type: %d\n", __func__
, args
->lastbytewritten
,
1937 NFS_SERVER(args
->inode
)->pnfs_curr_ld
->id
);
1939 encode_op_hdr(xdr
, OP_LAYOUTCOMMIT
, decode_layoutcommit_maxsz
, hdr
);
1940 p
= reserve_space(xdr
, 20);
1941 /* Only whole file layouts */
1942 p
= xdr_encode_hyper(p
, 0); /* offset */
1943 p
= xdr_encode_hyper(p
, args
->lastbytewritten
+ 1); /* length */
1944 *p
= cpu_to_be32(0); /* reclaim */
1945 encode_nfs4_stateid(xdr
, &args
->stateid
);
1946 p
= reserve_space(xdr
, 20);
1947 *p
++ = cpu_to_be32(1); /* newoffset = TRUE */
1948 p
= xdr_encode_hyper(p
, args
->lastbytewritten
);
1949 *p
++ = cpu_to_be32(0); /* Never send time_modify_changed */
1950 *p
++ = cpu_to_be32(NFS_SERVER(args
->inode
)->pnfs_curr_ld
->id
);/* type */
1952 if (NFS_SERVER(inode
)->pnfs_curr_ld
->encode_layoutcommit
)
1953 NFS_SERVER(inode
)->pnfs_curr_ld
->encode_layoutcommit(
1954 NFS_I(inode
)->layout
, xdr
, args
);
1956 encode_uint32(xdr
, 0); /* no layout-type payload */
1962 encode_layoutreturn(struct xdr_stream
*xdr
,
1963 const struct nfs4_layoutreturn_args
*args
,
1964 struct compound_hdr
*hdr
)
1968 encode_op_hdr(xdr
, OP_LAYOUTRETURN
, decode_layoutreturn_maxsz
, hdr
);
1969 p
= reserve_space(xdr
, 16);
1970 *p
++ = cpu_to_be32(0); /* reclaim. always 0 for now */
1971 *p
++ = cpu_to_be32(args
->layout_type
);
1972 *p
++ = cpu_to_be32(IOMODE_ANY
);
1973 *p
= cpu_to_be32(RETURN_FILE
);
1974 p
= reserve_space(xdr
, 16);
1975 p
= xdr_encode_hyper(p
, 0);
1976 p
= xdr_encode_hyper(p
, NFS4_MAX_UINT64
);
1977 spin_lock(&args
->inode
->i_lock
);
1978 encode_nfs4_stateid(xdr
, &args
->stateid
);
1979 spin_unlock(&args
->inode
->i_lock
);
1980 if (NFS_SERVER(args
->inode
)->pnfs_curr_ld
->encode_layoutreturn
) {
1981 NFS_SERVER(args
->inode
)->pnfs_curr_ld
->encode_layoutreturn(
1982 NFS_I(args
->inode
)->layout
, xdr
, args
);
1984 encode_uint32(xdr
, 0);
1988 encode_secinfo_no_name(struct xdr_stream
*xdr
,
1989 const struct nfs41_secinfo_no_name_args
*args
,
1990 struct compound_hdr
*hdr
)
1992 encode_op_hdr(xdr
, OP_SECINFO_NO_NAME
, decode_secinfo_no_name_maxsz
, hdr
);
1993 encode_uint32(xdr
, args
->style
);
1997 static void encode_test_stateid(struct xdr_stream
*xdr
,
1998 struct nfs41_test_stateid_args
*args
,
1999 struct compound_hdr
*hdr
)
2001 encode_op_hdr(xdr
, OP_TEST_STATEID
, decode_test_stateid_maxsz
, hdr
);
2002 encode_uint32(xdr
, 1);
2003 encode_nfs4_stateid(xdr
, args
->stateid
);
2006 static void encode_free_stateid(struct xdr_stream
*xdr
,
2007 struct nfs41_free_stateid_args
*args
,
2008 struct compound_hdr
*hdr
)
2010 encode_op_hdr(xdr
, OP_FREE_STATEID
, decode_free_stateid_maxsz
, hdr
);
2011 encode_nfs4_stateid(xdr
, args
->stateid
);
2013 #endif /* CONFIG_NFS_V4_1 */
2016 * END OF "GENERIC" ENCODE ROUTINES.
2019 static u32
nfs4_xdr_minorversion(const struct nfs4_sequence_args
*args
)
2021 #if defined(CONFIG_NFS_V4_1)
2022 if (args
->sa_session
)
2023 return args
->sa_session
->clp
->cl_mvops
->minor_version
;
2024 #endif /* CONFIG_NFS_V4_1 */
2029 * Encode an ACCESS request
2031 static void nfs4_xdr_enc_access(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2032 const struct nfs4_accessargs
*args
)
2034 struct compound_hdr hdr
= {
2035 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2038 encode_compound_hdr(xdr
, req
, &hdr
);
2039 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2040 encode_putfh(xdr
, args
->fh
, &hdr
);
2041 encode_access(xdr
, args
->access
, &hdr
);
2042 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2047 * Encode LOOKUP request
2049 static void nfs4_xdr_enc_lookup(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2050 const struct nfs4_lookup_arg
*args
)
2052 struct compound_hdr hdr
= {
2053 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2056 encode_compound_hdr(xdr
, req
, &hdr
);
2057 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2058 encode_putfh(xdr
, args
->dir_fh
, &hdr
);
2059 encode_lookup(xdr
, args
->name
, &hdr
);
2060 encode_getfh(xdr
, &hdr
);
2061 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2066 * Encode LOOKUP_ROOT request
2068 static void nfs4_xdr_enc_lookup_root(struct rpc_rqst
*req
,
2069 struct xdr_stream
*xdr
,
2070 const struct nfs4_lookup_root_arg
*args
)
2072 struct compound_hdr hdr
= {
2073 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2076 encode_compound_hdr(xdr
, req
, &hdr
);
2077 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2078 encode_putrootfh(xdr
, &hdr
);
2079 encode_getfh(xdr
, &hdr
);
2080 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2085 * Encode REMOVE request
2087 static void nfs4_xdr_enc_remove(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2088 const struct nfs_removeargs
*args
)
2090 struct compound_hdr hdr
= {
2091 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2094 encode_compound_hdr(xdr
, req
, &hdr
);
2095 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2096 encode_putfh(xdr
, args
->fh
, &hdr
);
2097 encode_remove(xdr
, &args
->name
, &hdr
);
2102 * Encode RENAME request
2104 static void nfs4_xdr_enc_rename(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2105 const struct nfs_renameargs
*args
)
2107 struct compound_hdr hdr
= {
2108 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2111 encode_compound_hdr(xdr
, req
, &hdr
);
2112 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2113 encode_putfh(xdr
, args
->old_dir
, &hdr
);
2114 encode_savefh(xdr
, &hdr
);
2115 encode_putfh(xdr
, args
->new_dir
, &hdr
);
2116 encode_rename(xdr
, args
->old_name
, args
->new_name
, &hdr
);
2121 * Encode LINK request
2123 static void nfs4_xdr_enc_link(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2124 const struct nfs4_link_arg
*args
)
2126 struct compound_hdr hdr
= {
2127 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2130 encode_compound_hdr(xdr
, req
, &hdr
);
2131 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2132 encode_putfh(xdr
, args
->fh
, &hdr
);
2133 encode_savefh(xdr
, &hdr
);
2134 encode_putfh(xdr
, args
->dir_fh
, &hdr
);
2135 encode_link(xdr
, args
->name
, &hdr
);
2136 encode_restorefh(xdr
, &hdr
);
2137 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2142 * Encode CREATE request
2144 static void nfs4_xdr_enc_create(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2145 const struct nfs4_create_arg
*args
)
2147 struct compound_hdr hdr
= {
2148 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2151 encode_compound_hdr(xdr
, req
, &hdr
);
2152 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2153 encode_putfh(xdr
, args
->dir_fh
, &hdr
);
2154 encode_create(xdr
, args
, &hdr
);
2155 encode_getfh(xdr
, &hdr
);
2156 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2161 * Encode SYMLINK request
2163 static void nfs4_xdr_enc_symlink(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2164 const struct nfs4_create_arg
*args
)
2166 nfs4_xdr_enc_create(req
, xdr
, args
);
2170 * Encode GETATTR request
2172 static void nfs4_xdr_enc_getattr(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2173 const struct nfs4_getattr_arg
*args
)
2175 struct compound_hdr hdr
= {
2176 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2179 encode_compound_hdr(xdr
, req
, &hdr
);
2180 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2181 encode_putfh(xdr
, args
->fh
, &hdr
);
2182 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2187 * Encode a CLOSE request
2189 static void nfs4_xdr_enc_close(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2190 struct nfs_closeargs
*args
)
2192 struct compound_hdr hdr
= {
2193 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2196 encode_compound_hdr(xdr
, req
, &hdr
);
2197 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2198 encode_putfh(xdr
, args
->fh
, &hdr
);
2199 encode_close(xdr
, args
, &hdr
);
2200 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2205 * Encode an OPEN request
2207 static void nfs4_xdr_enc_open(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2208 struct nfs_openargs
*args
)
2210 struct compound_hdr hdr
= {
2211 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2214 encode_compound_hdr(xdr
, req
, &hdr
);
2215 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2216 encode_putfh(xdr
, args
->fh
, &hdr
);
2217 encode_open(xdr
, args
, &hdr
);
2218 encode_getfh(xdr
, &hdr
);
2219 encode_getfattr_open(xdr
, args
->bitmask
, args
->open_bitmap
, &hdr
);
2224 * Encode an OPEN_CONFIRM request
2226 static void nfs4_xdr_enc_open_confirm(struct rpc_rqst
*req
,
2227 struct xdr_stream
*xdr
,
2228 struct nfs_open_confirmargs
*args
)
2230 struct compound_hdr hdr
= {
2234 encode_compound_hdr(xdr
, req
, &hdr
);
2235 encode_putfh(xdr
, args
->fh
, &hdr
);
2236 encode_open_confirm(xdr
, args
, &hdr
);
2241 * Encode an OPEN request with no attributes.
2243 static void nfs4_xdr_enc_open_noattr(struct rpc_rqst
*req
,
2244 struct xdr_stream
*xdr
,
2245 struct nfs_openargs
*args
)
2247 struct compound_hdr hdr
= {
2248 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2251 encode_compound_hdr(xdr
, req
, &hdr
);
2252 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2253 encode_putfh(xdr
, args
->fh
, &hdr
);
2254 encode_open(xdr
, args
, &hdr
);
2255 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2260 * Encode an OPEN_DOWNGRADE request
2262 static void nfs4_xdr_enc_open_downgrade(struct rpc_rqst
*req
,
2263 struct xdr_stream
*xdr
,
2264 struct nfs_closeargs
*args
)
2266 struct compound_hdr hdr
= {
2267 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2270 encode_compound_hdr(xdr
, req
, &hdr
);
2271 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2272 encode_putfh(xdr
, args
->fh
, &hdr
);
2273 encode_open_downgrade(xdr
, args
, &hdr
);
2274 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2279 * Encode a LOCK request
2281 static void nfs4_xdr_enc_lock(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2282 struct nfs_lock_args
*args
)
2284 struct compound_hdr hdr
= {
2285 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2288 encode_compound_hdr(xdr
, req
, &hdr
);
2289 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2290 encode_putfh(xdr
, args
->fh
, &hdr
);
2291 encode_lock(xdr
, args
, &hdr
);
2296 * Encode a LOCKT request
2298 static void nfs4_xdr_enc_lockt(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2299 struct nfs_lockt_args
*args
)
2301 struct compound_hdr hdr
= {
2302 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2305 encode_compound_hdr(xdr
, req
, &hdr
);
2306 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2307 encode_putfh(xdr
, args
->fh
, &hdr
);
2308 encode_lockt(xdr
, args
, &hdr
);
2313 * Encode a LOCKU request
2315 static void nfs4_xdr_enc_locku(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2316 struct nfs_locku_args
*args
)
2318 struct compound_hdr hdr
= {
2319 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2322 encode_compound_hdr(xdr
, req
, &hdr
);
2323 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2324 encode_putfh(xdr
, args
->fh
, &hdr
);
2325 encode_locku(xdr
, args
, &hdr
);
2329 static void nfs4_xdr_enc_release_lockowner(struct rpc_rqst
*req
,
2330 struct xdr_stream
*xdr
,
2331 struct nfs_release_lockowner_args
*args
)
2333 struct compound_hdr hdr
= {
2337 encode_compound_hdr(xdr
, req
, &hdr
);
2338 encode_release_lockowner(xdr
, &args
->lock_owner
, &hdr
);
2343 * Encode a READLINK request
2345 static void nfs4_xdr_enc_readlink(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2346 const struct nfs4_readlink
*args
)
2348 struct compound_hdr hdr
= {
2349 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2352 encode_compound_hdr(xdr
, req
, &hdr
);
2353 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2354 encode_putfh(xdr
, args
->fh
, &hdr
);
2355 encode_readlink(xdr
, args
, req
, &hdr
);
2357 xdr_inline_pages(&req
->rq_rcv_buf
, hdr
.replen
<< 2, args
->pages
,
2358 args
->pgbase
, args
->pglen
);
2363 * Encode a READDIR request
2365 static void nfs4_xdr_enc_readdir(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2366 const struct nfs4_readdir_arg
*args
)
2368 struct compound_hdr hdr
= {
2369 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2372 encode_compound_hdr(xdr
, req
, &hdr
);
2373 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2374 encode_putfh(xdr
, args
->fh
, &hdr
);
2375 encode_readdir(xdr
, args
, req
, &hdr
);
2377 xdr_inline_pages(&req
->rq_rcv_buf
, hdr
.replen
<< 2, args
->pages
,
2378 args
->pgbase
, args
->count
);
2379 dprintk("%s: inlined page args = (%u, %p, %u, %u)\n",
2380 __func__
, hdr
.replen
<< 2, args
->pages
,
2381 args
->pgbase
, args
->count
);
2386 * Encode a READ request
2388 static void nfs4_xdr_enc_read(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2389 struct nfs_readargs
*args
)
2391 struct compound_hdr hdr
= {
2392 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2395 encode_compound_hdr(xdr
, req
, &hdr
);
2396 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2397 encode_putfh(xdr
, args
->fh
, &hdr
);
2398 encode_read(xdr
, args
, &hdr
);
2400 xdr_inline_pages(&req
->rq_rcv_buf
, hdr
.replen
<< 2,
2401 args
->pages
, args
->pgbase
, args
->count
);
2402 req
->rq_rcv_buf
.flags
|= XDRBUF_READ
;
2407 * Encode an SETATTR request
2409 static void nfs4_xdr_enc_setattr(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2410 struct nfs_setattrargs
*args
)
2412 struct compound_hdr hdr
= {
2413 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2416 encode_compound_hdr(xdr
, req
, &hdr
);
2417 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2418 encode_putfh(xdr
, args
->fh
, &hdr
);
2419 encode_setattr(xdr
, args
, args
->server
, &hdr
);
2420 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2425 * Encode a GETACL request
2427 static void nfs4_xdr_enc_getacl(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2428 struct nfs_getaclargs
*args
)
2430 struct compound_hdr hdr
= {
2431 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2435 encode_compound_hdr(xdr
, req
, &hdr
);
2436 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2437 encode_putfh(xdr
, args
->fh
, &hdr
);
2438 replen
= hdr
.replen
+ op_decode_hdr_maxsz
+ 1;
2439 encode_getattr_two(xdr
, FATTR4_WORD0_ACL
, 0, &hdr
);
2441 xdr_inline_pages(&req
->rq_rcv_buf
, replen
<< 2,
2442 args
->acl_pages
, args
->acl_pgbase
, args
->acl_len
);
2448 * Encode a WRITE request
2450 static void nfs4_xdr_enc_write(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2451 struct nfs_writeargs
*args
)
2453 struct compound_hdr hdr
= {
2454 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2457 encode_compound_hdr(xdr
, req
, &hdr
);
2458 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2459 encode_putfh(xdr
, args
->fh
, &hdr
);
2460 encode_write(xdr
, args
, &hdr
);
2461 req
->rq_snd_buf
.flags
|= XDRBUF_WRITE
;
2463 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2470 static void nfs4_xdr_enc_commit(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2471 struct nfs_commitargs
*args
)
2473 struct compound_hdr hdr
= {
2474 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2477 encode_compound_hdr(xdr
, req
, &hdr
);
2478 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2479 encode_putfh(xdr
, args
->fh
, &hdr
);
2480 encode_commit(xdr
, args
, &hdr
);
2487 static void nfs4_xdr_enc_fsinfo(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2488 struct nfs4_fsinfo_arg
*args
)
2490 struct compound_hdr hdr
= {
2491 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2494 encode_compound_hdr(xdr
, req
, &hdr
);
2495 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2496 encode_putfh(xdr
, args
->fh
, &hdr
);
2497 encode_fsinfo(xdr
, args
->bitmask
, &hdr
);
2502 * a PATHCONF request
2504 static void nfs4_xdr_enc_pathconf(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2505 const struct nfs4_pathconf_arg
*args
)
2507 struct compound_hdr hdr
= {
2508 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2511 encode_compound_hdr(xdr
, req
, &hdr
);
2512 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2513 encode_putfh(xdr
, args
->fh
, &hdr
);
2514 encode_getattr_one(xdr
, args
->bitmask
[0] & nfs4_pathconf_bitmap
[0],
2522 static void nfs4_xdr_enc_statfs(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2523 const struct nfs4_statfs_arg
*args
)
2525 struct compound_hdr hdr
= {
2526 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2529 encode_compound_hdr(xdr
, req
, &hdr
);
2530 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2531 encode_putfh(xdr
, args
->fh
, &hdr
);
2532 encode_getattr_two(xdr
, args
->bitmask
[0] & nfs4_statfs_bitmap
[0],
2533 args
->bitmask
[1] & nfs4_statfs_bitmap
[1], &hdr
);
2538 * GETATTR_BITMAP request
2540 static void nfs4_xdr_enc_server_caps(struct rpc_rqst
*req
,
2541 struct xdr_stream
*xdr
,
2542 struct nfs4_server_caps_arg
*args
)
2544 struct compound_hdr hdr
= {
2545 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2548 encode_compound_hdr(xdr
, req
, &hdr
);
2549 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2550 encode_putfh(xdr
, args
->fhandle
, &hdr
);
2551 encode_getattr_one(xdr
, FATTR4_WORD0_SUPPORTED_ATTRS
|
2552 FATTR4_WORD0_FH_EXPIRE_TYPE
|
2553 FATTR4_WORD0_LINK_SUPPORT
|
2554 FATTR4_WORD0_SYMLINK_SUPPORT
|
2555 FATTR4_WORD0_ACLSUPPORT
, &hdr
);
2562 static void nfs4_xdr_enc_renew(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2563 struct nfs_client
*clp
)
2565 struct compound_hdr hdr
= {
2569 encode_compound_hdr(xdr
, req
, &hdr
);
2570 encode_renew(xdr
, clp
->cl_clientid
, &hdr
);
2575 * a SETCLIENTID request
2577 static void nfs4_xdr_enc_setclientid(struct rpc_rqst
*req
,
2578 struct xdr_stream
*xdr
,
2579 struct nfs4_setclientid
*sc
)
2581 struct compound_hdr hdr
= {
2585 encode_compound_hdr(xdr
, req
, &hdr
);
2586 encode_setclientid(xdr
, sc
, &hdr
);
2591 * a SETCLIENTID_CONFIRM request
2593 static void nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst
*req
,
2594 struct xdr_stream
*xdr
,
2595 struct nfs4_setclientid_res
*arg
)
2597 struct compound_hdr hdr
= {
2600 const u32 lease_bitmap
[3] = { FATTR4_WORD0_LEASE_TIME
};
2602 encode_compound_hdr(xdr
, req
, &hdr
);
2603 encode_setclientid_confirm(xdr
, arg
, &hdr
);
2604 encode_putrootfh(xdr
, &hdr
);
2605 encode_fsinfo(xdr
, lease_bitmap
, &hdr
);
2610 * DELEGRETURN request
2612 static void nfs4_xdr_enc_delegreturn(struct rpc_rqst
*req
,
2613 struct xdr_stream
*xdr
,
2614 const struct nfs4_delegreturnargs
*args
)
2616 struct compound_hdr hdr
= {
2617 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2620 encode_compound_hdr(xdr
, req
, &hdr
);
2621 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2622 encode_putfh(xdr
, args
->fhandle
, &hdr
);
2623 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2624 encode_delegreturn(xdr
, args
->stateid
, &hdr
);
2629 * Encode FS_LOCATIONS request
2631 static void nfs4_xdr_enc_fs_locations(struct rpc_rqst
*req
,
2632 struct xdr_stream
*xdr
,
2633 struct nfs4_fs_locations_arg
*args
)
2635 struct compound_hdr hdr
= {
2636 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2640 encode_compound_hdr(xdr
, req
, &hdr
);
2641 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2642 encode_putfh(xdr
, args
->dir_fh
, &hdr
);
2643 encode_lookup(xdr
, args
->name
, &hdr
);
2644 replen
= hdr
.replen
; /* get the attribute into args->page */
2645 encode_fs_locations(xdr
, args
->bitmask
, &hdr
);
2647 xdr_inline_pages(&req
->rq_rcv_buf
, replen
<< 2, &args
->page
,
2653 * Encode SECINFO request
2655 static void nfs4_xdr_enc_secinfo(struct rpc_rqst
*req
,
2656 struct xdr_stream
*xdr
,
2657 struct nfs4_secinfo_arg
*args
)
2659 struct compound_hdr hdr
= {
2660 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2663 encode_compound_hdr(xdr
, req
, &hdr
);
2664 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2665 encode_putfh(xdr
, args
->dir_fh
, &hdr
);
2666 encode_secinfo(xdr
, args
->name
, &hdr
);
2670 #if defined(CONFIG_NFS_V4_1)
2672 * BIND_CONN_TO_SESSION request
2674 static void nfs4_xdr_enc_bind_conn_to_session(struct rpc_rqst
*req
,
2675 struct xdr_stream
*xdr
,
2676 struct nfs_client
*clp
)
2678 struct compound_hdr hdr
= {
2679 .minorversion
= clp
->cl_mvops
->minor_version
,
2682 encode_compound_hdr(xdr
, req
, &hdr
);
2683 encode_bind_conn_to_session(xdr
, clp
->cl_session
, &hdr
);
2688 * EXCHANGE_ID request
2690 static void nfs4_xdr_enc_exchange_id(struct rpc_rqst
*req
,
2691 struct xdr_stream
*xdr
,
2692 struct nfs41_exchange_id_args
*args
)
2694 struct compound_hdr hdr
= {
2695 .minorversion
= args
->client
->cl_mvops
->minor_version
,
2698 encode_compound_hdr(xdr
, req
, &hdr
);
2699 encode_exchange_id(xdr
, args
, &hdr
);
2704 * a CREATE_SESSION request
2706 static void nfs4_xdr_enc_create_session(struct rpc_rqst
*req
,
2707 struct xdr_stream
*xdr
,
2708 struct nfs41_create_session_args
*args
)
2710 struct compound_hdr hdr
= {
2711 .minorversion
= args
->client
->cl_mvops
->minor_version
,
2714 encode_compound_hdr(xdr
, req
, &hdr
);
2715 encode_create_session(xdr
, args
, &hdr
);
2720 * a DESTROY_SESSION request
2722 static void nfs4_xdr_enc_destroy_session(struct rpc_rqst
*req
,
2723 struct xdr_stream
*xdr
,
2724 struct nfs4_session
*session
)
2726 struct compound_hdr hdr
= {
2727 .minorversion
= session
->clp
->cl_mvops
->minor_version
,
2730 encode_compound_hdr(xdr
, req
, &hdr
);
2731 encode_destroy_session(xdr
, session
, &hdr
);
2736 * a DESTROY_CLIENTID request
2738 static void nfs4_xdr_enc_destroy_clientid(struct rpc_rqst
*req
,
2739 struct xdr_stream
*xdr
,
2740 struct nfs_client
*clp
)
2742 struct compound_hdr hdr
= {
2743 .minorversion
= clp
->cl_mvops
->minor_version
,
2746 encode_compound_hdr(xdr
, req
, &hdr
);
2747 encode_destroy_clientid(xdr
, clp
->cl_clientid
, &hdr
);
2752 * a SEQUENCE request
2754 static void nfs4_xdr_enc_sequence(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2755 struct nfs4_sequence_args
*args
)
2757 struct compound_hdr hdr
= {
2758 .minorversion
= nfs4_xdr_minorversion(args
),
2761 encode_compound_hdr(xdr
, req
, &hdr
);
2762 encode_sequence(xdr
, args
, &hdr
);
2767 * a GET_LEASE_TIME request
2769 static void nfs4_xdr_enc_get_lease_time(struct rpc_rqst
*req
,
2770 struct xdr_stream
*xdr
,
2771 struct nfs4_get_lease_time_args
*args
)
2773 struct compound_hdr hdr
= {
2774 .minorversion
= nfs4_xdr_minorversion(&args
->la_seq_args
),
2776 const u32 lease_bitmap
[3] = { FATTR4_WORD0_LEASE_TIME
};
2778 encode_compound_hdr(xdr
, req
, &hdr
);
2779 encode_sequence(xdr
, &args
->la_seq_args
, &hdr
);
2780 encode_putrootfh(xdr
, &hdr
);
2781 encode_fsinfo(xdr
, lease_bitmap
, &hdr
);
2786 * a RECLAIM_COMPLETE request
2788 static void nfs4_xdr_enc_reclaim_complete(struct rpc_rqst
*req
,
2789 struct xdr_stream
*xdr
,
2790 struct nfs41_reclaim_complete_args
*args
)
2792 struct compound_hdr hdr
= {
2793 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
)
2796 encode_compound_hdr(xdr
, req
, &hdr
);
2797 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2798 encode_reclaim_complete(xdr
, args
, &hdr
);
2803 * Encode GETDEVICELIST request
2805 static void nfs4_xdr_enc_getdevicelist(struct rpc_rqst
*req
,
2806 struct xdr_stream
*xdr
,
2807 struct nfs4_getdevicelist_args
*args
)
2809 struct compound_hdr hdr
= {
2810 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2813 encode_compound_hdr(xdr
, req
, &hdr
);
2814 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2815 encode_putfh(xdr
, args
->fh
, &hdr
);
2816 encode_getdevicelist(xdr
, args
, &hdr
);
2821 * Encode GETDEVICEINFO request
2823 static void nfs4_xdr_enc_getdeviceinfo(struct rpc_rqst
*req
,
2824 struct xdr_stream
*xdr
,
2825 struct nfs4_getdeviceinfo_args
*args
)
2827 struct compound_hdr hdr
= {
2828 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2831 encode_compound_hdr(xdr
, req
, &hdr
);
2832 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2833 encode_getdeviceinfo(xdr
, args
, &hdr
);
2835 /* set up reply kvec. Subtract notification bitmap max size (2)
2836 * so that notification bitmap is put in xdr_buf tail */
2837 xdr_inline_pages(&req
->rq_rcv_buf
, (hdr
.replen
- 2) << 2,
2838 args
->pdev
->pages
, args
->pdev
->pgbase
,
2845 * Encode LAYOUTGET request
2847 static void nfs4_xdr_enc_layoutget(struct rpc_rqst
*req
,
2848 struct xdr_stream
*xdr
,
2849 struct nfs4_layoutget_args
*args
)
2851 struct compound_hdr hdr
= {
2852 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2855 encode_compound_hdr(xdr
, req
, &hdr
);
2856 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2857 encode_putfh(xdr
, NFS_FH(args
->inode
), &hdr
);
2858 encode_layoutget(xdr
, args
, &hdr
);
2860 xdr_inline_pages(&req
->rq_rcv_buf
, hdr
.replen
<< 2,
2861 args
->layout
.pages
, 0, args
->layout
.pglen
);
2867 * Encode LAYOUTCOMMIT request
2869 static void nfs4_xdr_enc_layoutcommit(struct rpc_rqst
*req
,
2870 struct xdr_stream
*xdr
,
2871 struct nfs4_layoutcommit_args
*args
)
2873 struct nfs4_layoutcommit_data
*data
=
2874 container_of(args
, struct nfs4_layoutcommit_data
, args
);
2875 struct compound_hdr hdr
= {
2876 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2879 encode_compound_hdr(xdr
, req
, &hdr
);
2880 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2881 encode_putfh(xdr
, NFS_FH(args
->inode
), &hdr
);
2882 encode_layoutcommit(xdr
, data
->args
.inode
, args
, &hdr
);
2883 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2888 * Encode LAYOUTRETURN request
2890 static void nfs4_xdr_enc_layoutreturn(struct rpc_rqst
*req
,
2891 struct xdr_stream
*xdr
,
2892 struct nfs4_layoutreturn_args
*args
)
2894 struct compound_hdr hdr
= {
2895 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2898 encode_compound_hdr(xdr
, req
, &hdr
);
2899 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2900 encode_putfh(xdr
, NFS_FH(args
->inode
), &hdr
);
2901 encode_layoutreturn(xdr
, args
, &hdr
);
2906 * Encode SECINFO_NO_NAME request
2908 static int nfs4_xdr_enc_secinfo_no_name(struct rpc_rqst
*req
,
2909 struct xdr_stream
*xdr
,
2910 struct nfs41_secinfo_no_name_args
*args
)
2912 struct compound_hdr hdr
= {
2913 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2916 encode_compound_hdr(xdr
, req
, &hdr
);
2917 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2918 encode_putrootfh(xdr
, &hdr
);
2919 encode_secinfo_no_name(xdr
, args
, &hdr
);
2925 * Encode TEST_STATEID request
2927 static void nfs4_xdr_enc_test_stateid(struct rpc_rqst
*req
,
2928 struct xdr_stream
*xdr
,
2929 struct nfs41_test_stateid_args
*args
)
2931 struct compound_hdr hdr
= {
2932 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2935 encode_compound_hdr(xdr
, req
, &hdr
);
2936 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2937 encode_test_stateid(xdr
, args
, &hdr
);
2942 * Encode FREE_STATEID request
2944 static void nfs4_xdr_enc_free_stateid(struct rpc_rqst
*req
,
2945 struct xdr_stream
*xdr
,
2946 struct nfs41_free_stateid_args
*args
)
2948 struct compound_hdr hdr
= {
2949 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2952 encode_compound_hdr(xdr
, req
, &hdr
);
2953 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2954 encode_free_stateid(xdr
, args
, &hdr
);
2957 #endif /* CONFIG_NFS_V4_1 */
2959 static void print_overflow_msg(const char *func
, const struct xdr_stream
*xdr
)
2961 dprintk("nfs: %s: prematurely hit end of receive buffer. "
2962 "Remaining buffer length is %tu words.\n",
2963 func
, xdr
->end
- xdr
->p
);
2966 static int decode_opaque_inline(struct xdr_stream
*xdr
, unsigned int *len
, char **string
)
2970 p
= xdr_inline_decode(xdr
, 4);
2973 *len
= be32_to_cpup(p
);
2974 p
= xdr_inline_decode(xdr
, *len
);
2977 *string
= (char *)p
;
2980 print_overflow_msg(__func__
, xdr
);
2984 static int decode_compound_hdr(struct xdr_stream
*xdr
, struct compound_hdr
*hdr
)
2988 p
= xdr_inline_decode(xdr
, 8);
2991 hdr
->status
= be32_to_cpup(p
++);
2992 hdr
->taglen
= be32_to_cpup(p
);
2994 p
= xdr_inline_decode(xdr
, hdr
->taglen
+ 4);
2997 hdr
->tag
= (char *)p
;
2998 p
+= XDR_QUADLEN(hdr
->taglen
);
2999 hdr
->nops
= be32_to_cpup(p
);
3000 if (unlikely(hdr
->nops
< 1))
3001 return nfs4_stat_to_errno(hdr
->status
);
3004 print_overflow_msg(__func__
, xdr
);
3008 static int decode_op_hdr(struct xdr_stream
*xdr
, enum nfs_opnum4 expected
)
3014 p
= xdr_inline_decode(xdr
, 8);
3017 opnum
= be32_to_cpup(p
++);
3018 if (opnum
!= expected
) {
3019 dprintk("nfs: Server returned operation"
3020 " %d but we issued a request for %d\n",
3024 nfserr
= be32_to_cpup(p
);
3025 if (nfserr
!= NFS_OK
)
3026 return nfs4_stat_to_errno(nfserr
);
3029 print_overflow_msg(__func__
, xdr
);
3034 static int decode_ace(struct xdr_stream
*xdr
, void *ace
, struct nfs_client
*clp
)
3037 unsigned int strlen
;
3040 p
= xdr_inline_decode(xdr
, 12);
3042 return decode_opaque_inline(xdr
, &strlen
, &str
);
3043 print_overflow_msg(__func__
, xdr
);
3047 static int decode_attr_bitmap(struct xdr_stream
*xdr
, uint32_t *bitmap
)
3052 p
= xdr_inline_decode(xdr
, 4);
3055 bmlen
= be32_to_cpup(p
);
3057 bitmap
[0] = bitmap
[1] = bitmap
[2] = 0;
3058 p
= xdr_inline_decode(xdr
, (bmlen
<< 2));
3062 bitmap
[0] = be32_to_cpup(p
++);
3064 bitmap
[1] = be32_to_cpup(p
++);
3066 bitmap
[2] = be32_to_cpup(p
);
3071 print_overflow_msg(__func__
, xdr
);
3075 static int decode_attr_length(struct xdr_stream
*xdr
, uint32_t *attrlen
, unsigned int *savep
)
3079 p
= xdr_inline_decode(xdr
, 4);
3082 *attrlen
= be32_to_cpup(p
);
3083 *savep
= xdr_stream_pos(xdr
);
3086 print_overflow_msg(__func__
, xdr
);
3090 static int decode_attr_supported(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *bitmask
)
3092 if (likely(bitmap
[0] & FATTR4_WORD0_SUPPORTED_ATTRS
)) {
3094 ret
= decode_attr_bitmap(xdr
, bitmask
);
3095 if (unlikely(ret
< 0))
3097 bitmap
[0] &= ~FATTR4_WORD0_SUPPORTED_ATTRS
;
3099 bitmask
[0] = bitmask
[1] = bitmask
[2] = 0;
3100 dprintk("%s: bitmask=%08x:%08x:%08x\n", __func__
,
3101 bitmask
[0], bitmask
[1], bitmask
[2]);
3105 static int decode_attr_type(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *type
)
3111 if (unlikely(bitmap
[0] & (FATTR4_WORD0_TYPE
- 1U)))
3113 if (likely(bitmap
[0] & FATTR4_WORD0_TYPE
)) {
3114 p
= xdr_inline_decode(xdr
, 4);
3117 *type
= be32_to_cpup(p
);
3118 if (*type
< NF4REG
|| *type
> NF4NAMEDATTR
) {
3119 dprintk("%s: bad type %d\n", __func__
, *type
);
3122 bitmap
[0] &= ~FATTR4_WORD0_TYPE
;
3123 ret
= NFS_ATTR_FATTR_TYPE
;
3125 dprintk("%s: type=0%o\n", __func__
, nfs_type2fmt
[*type
]);
3128 print_overflow_msg(__func__
, xdr
);
3132 static int decode_attr_fh_expire_type(struct xdr_stream
*xdr
,
3133 uint32_t *bitmap
, uint32_t *type
)
3138 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FH_EXPIRE_TYPE
- 1U)))
3140 if (likely(bitmap
[0] & FATTR4_WORD0_FH_EXPIRE_TYPE
)) {
3141 p
= xdr_inline_decode(xdr
, 4);
3144 *type
= be32_to_cpup(p
);
3145 bitmap
[0] &= ~FATTR4_WORD0_FH_EXPIRE_TYPE
;
3147 dprintk("%s: expire type=0x%x\n", __func__
, *type
);
3150 print_overflow_msg(__func__
, xdr
);
3154 static int decode_attr_change(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *change
)
3160 if (unlikely(bitmap
[0] & (FATTR4_WORD0_CHANGE
- 1U)))
3162 if (likely(bitmap
[0] & FATTR4_WORD0_CHANGE
)) {
3163 p
= xdr_inline_decode(xdr
, 8);
3166 xdr_decode_hyper(p
, change
);
3167 bitmap
[0] &= ~FATTR4_WORD0_CHANGE
;
3168 ret
= NFS_ATTR_FATTR_CHANGE
;
3170 dprintk("%s: change attribute=%Lu\n", __func__
,
3171 (unsigned long long)*change
);
3174 print_overflow_msg(__func__
, xdr
);
3178 static int decode_attr_size(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *size
)
3184 if (unlikely(bitmap
[0] & (FATTR4_WORD0_SIZE
- 1U)))
3186 if (likely(bitmap
[0] & FATTR4_WORD0_SIZE
)) {
3187 p
= xdr_inline_decode(xdr
, 8);
3190 xdr_decode_hyper(p
, size
);
3191 bitmap
[0] &= ~FATTR4_WORD0_SIZE
;
3192 ret
= NFS_ATTR_FATTR_SIZE
;
3194 dprintk("%s: file size=%Lu\n", __func__
, (unsigned long long)*size
);
3197 print_overflow_msg(__func__
, xdr
);
3201 static int decode_attr_link_support(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *res
)
3206 if (unlikely(bitmap
[0] & (FATTR4_WORD0_LINK_SUPPORT
- 1U)))
3208 if (likely(bitmap
[0] & FATTR4_WORD0_LINK_SUPPORT
)) {
3209 p
= xdr_inline_decode(xdr
, 4);
3212 *res
= be32_to_cpup(p
);
3213 bitmap
[0] &= ~FATTR4_WORD0_LINK_SUPPORT
;
3215 dprintk("%s: link support=%s\n", __func__
, *res
== 0 ? "false" : "true");
3218 print_overflow_msg(__func__
, xdr
);
3222 static int decode_attr_symlink_support(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *res
)
3227 if (unlikely(bitmap
[0] & (FATTR4_WORD0_SYMLINK_SUPPORT
- 1U)))
3229 if (likely(bitmap
[0] & FATTR4_WORD0_SYMLINK_SUPPORT
)) {
3230 p
= xdr_inline_decode(xdr
, 4);
3233 *res
= be32_to_cpup(p
);
3234 bitmap
[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT
;
3236 dprintk("%s: symlink support=%s\n", __func__
, *res
== 0 ? "false" : "true");
3239 print_overflow_msg(__func__
, xdr
);
3243 static int decode_attr_fsid(struct xdr_stream
*xdr
, uint32_t *bitmap
, struct nfs_fsid
*fsid
)
3250 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FSID
- 1U)))
3252 if (likely(bitmap
[0] & FATTR4_WORD0_FSID
)) {
3253 p
= xdr_inline_decode(xdr
, 16);
3256 p
= xdr_decode_hyper(p
, &fsid
->major
);
3257 xdr_decode_hyper(p
, &fsid
->minor
);
3258 bitmap
[0] &= ~FATTR4_WORD0_FSID
;
3259 ret
= NFS_ATTR_FATTR_FSID
;
3261 dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __func__
,
3262 (unsigned long long)fsid
->major
,
3263 (unsigned long long)fsid
->minor
);
3266 print_overflow_msg(__func__
, xdr
);
3270 static int decode_attr_lease_time(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *res
)
3275 if (unlikely(bitmap
[0] & (FATTR4_WORD0_LEASE_TIME
- 1U)))
3277 if (likely(bitmap
[0] & FATTR4_WORD0_LEASE_TIME
)) {
3278 p
= xdr_inline_decode(xdr
, 4);
3281 *res
= be32_to_cpup(p
);
3282 bitmap
[0] &= ~FATTR4_WORD0_LEASE_TIME
;
3284 dprintk("%s: file size=%u\n", __func__
, (unsigned int)*res
);
3287 print_overflow_msg(__func__
, xdr
);
3291 static int decode_attr_error(struct xdr_stream
*xdr
, uint32_t *bitmap
, int32_t *res
)
3295 if (unlikely(bitmap
[0] & (FATTR4_WORD0_RDATTR_ERROR
- 1U)))
3297 if (likely(bitmap
[0] & FATTR4_WORD0_RDATTR_ERROR
)) {
3298 p
= xdr_inline_decode(xdr
, 4);
3301 bitmap
[0] &= ~FATTR4_WORD0_RDATTR_ERROR
;
3302 *res
= -be32_to_cpup(p
);
3306 print_overflow_msg(__func__
, xdr
);
3310 static int decode_attr_filehandle(struct xdr_stream
*xdr
, uint32_t *bitmap
, struct nfs_fh
*fh
)
3316 memset(fh
, 0, sizeof(*fh
));
3318 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FILEHANDLE
- 1U)))
3320 if (likely(bitmap
[0] & FATTR4_WORD0_FILEHANDLE
)) {
3321 p
= xdr_inline_decode(xdr
, 4);
3324 len
= be32_to_cpup(p
);
3325 if (len
> NFS4_FHSIZE
)
3327 p
= xdr_inline_decode(xdr
, len
);
3331 memcpy(fh
->data
, p
, len
);
3334 bitmap
[0] &= ~FATTR4_WORD0_FILEHANDLE
;
3338 print_overflow_msg(__func__
, xdr
);
3342 static int decode_attr_aclsupport(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *res
)
3346 *res
= ACL4_SUPPORT_ALLOW_ACL
|ACL4_SUPPORT_DENY_ACL
;
3347 if (unlikely(bitmap
[0] & (FATTR4_WORD0_ACLSUPPORT
- 1U)))
3349 if (likely(bitmap
[0] & FATTR4_WORD0_ACLSUPPORT
)) {
3350 p
= xdr_inline_decode(xdr
, 4);
3353 *res
= be32_to_cpup(p
);
3354 bitmap
[0] &= ~FATTR4_WORD0_ACLSUPPORT
;
3356 dprintk("%s: ACLs supported=%u\n", __func__
, (unsigned int)*res
);
3359 print_overflow_msg(__func__
, xdr
);
3363 static int decode_attr_fileid(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *fileid
)
3369 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FILEID
- 1U)))
3371 if (likely(bitmap
[0] & FATTR4_WORD0_FILEID
)) {
3372 p
= xdr_inline_decode(xdr
, 8);
3375 xdr_decode_hyper(p
, fileid
);
3376 bitmap
[0] &= ~FATTR4_WORD0_FILEID
;
3377 ret
= NFS_ATTR_FATTR_FILEID
;
3379 dprintk("%s: fileid=%Lu\n", __func__
, (unsigned long long)*fileid
);
3382 print_overflow_msg(__func__
, xdr
);
3386 static int decode_attr_mounted_on_fileid(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *fileid
)
3392 if (unlikely(bitmap
[1] & (FATTR4_WORD1_MOUNTED_ON_FILEID
- 1U)))
3394 if (likely(bitmap
[1] & FATTR4_WORD1_MOUNTED_ON_FILEID
)) {
3395 p
= xdr_inline_decode(xdr
, 8);
3398 xdr_decode_hyper(p
, fileid
);
3399 bitmap
[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID
;
3400 ret
= NFS_ATTR_FATTR_MOUNTED_ON_FILEID
;
3402 dprintk("%s: fileid=%Lu\n", __func__
, (unsigned long long)*fileid
);
3405 print_overflow_msg(__func__
, xdr
);
3409 static int decode_attr_files_avail(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
3415 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FILES_AVAIL
- 1U)))
3417 if (likely(bitmap
[0] & FATTR4_WORD0_FILES_AVAIL
)) {
3418 p
= xdr_inline_decode(xdr
, 8);
3421 xdr_decode_hyper(p
, res
);
3422 bitmap
[0] &= ~FATTR4_WORD0_FILES_AVAIL
;
3424 dprintk("%s: files avail=%Lu\n", __func__
, (unsigned long long)*res
);
3427 print_overflow_msg(__func__
, xdr
);
3431 static int decode_attr_files_free(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
3437 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FILES_FREE
- 1U)))
3439 if (likely(bitmap
[0] & FATTR4_WORD0_FILES_FREE
)) {
3440 p
= xdr_inline_decode(xdr
, 8);
3443 xdr_decode_hyper(p
, res
);
3444 bitmap
[0] &= ~FATTR4_WORD0_FILES_FREE
;
3446 dprintk("%s: files free=%Lu\n", __func__
, (unsigned long long)*res
);
3449 print_overflow_msg(__func__
, xdr
);
3453 static int decode_attr_files_total(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
3459 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FILES_TOTAL
- 1U)))
3461 if (likely(bitmap
[0] & FATTR4_WORD0_FILES_TOTAL
)) {
3462 p
= xdr_inline_decode(xdr
, 8);
3465 xdr_decode_hyper(p
, res
);
3466 bitmap
[0] &= ~FATTR4_WORD0_FILES_TOTAL
;
3468 dprintk("%s: files total=%Lu\n", __func__
, (unsigned long long)*res
);
3471 print_overflow_msg(__func__
, xdr
);
3475 static int decode_pathname(struct xdr_stream
*xdr
, struct nfs4_pathname
*path
)
3481 p
= xdr_inline_decode(xdr
, 4);
3484 n
= be32_to_cpup(p
);
3487 dprintk("pathname4: ");
3488 path
->ncomponents
= 0;
3489 while (path
->ncomponents
< n
) {
3490 struct nfs4_string
*component
= &path
->components
[path
->ncomponents
];
3491 status
= decode_opaque_inline(xdr
, &component
->len
, &component
->data
);
3492 if (unlikely(status
!= 0))
3496 (path
->ncomponents
!= n
? "/ " : ""),
3497 component
->len
, component
->data
);
3498 if (path
->ncomponents
< NFS4_PATHNAME_MAXCOMPONENTS
)
3499 path
->ncomponents
++;
3501 dprintk("cannot parse %d components in path\n", n
);
3508 /* a root pathname is sent as a zero component4 */
3509 path
->ncomponents
= 1;
3510 path
->components
[0].len
=0;
3511 path
->components
[0].data
=NULL
;
3512 dprintk("pathname4: /\n");
3515 dprintk(" status %d", status
);
3519 print_overflow_msg(__func__
, xdr
);
3523 static int decode_attr_fs_locations(struct xdr_stream
*xdr
, uint32_t *bitmap
, struct nfs4_fs_locations
*res
)
3529 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FS_LOCATIONS
-1U)))
3532 if (unlikely(!(bitmap
[0] & FATTR4_WORD0_FS_LOCATIONS
)))
3535 /* Ignore borken servers that return unrequested attrs */
3536 if (unlikely(res
== NULL
))
3538 dprintk("%s: fsroot:\n", __func__
);
3539 status
= decode_pathname(xdr
, &res
->fs_path
);
3540 if (unlikely(status
!= 0))
3542 p
= xdr_inline_decode(xdr
, 4);
3545 n
= be32_to_cpup(p
);
3548 res
->nlocations
= 0;
3549 while (res
->nlocations
< n
) {
3551 struct nfs4_fs_location
*loc
= &res
->locations
[res
->nlocations
];
3553 p
= xdr_inline_decode(xdr
, 4);
3556 m
= be32_to_cpup(p
);
3559 dprintk("%s: servers:\n", __func__
);
3560 while (loc
->nservers
< m
) {
3561 struct nfs4_string
*server
= &loc
->servers
[loc
->nservers
];
3562 status
= decode_opaque_inline(xdr
, &server
->len
, &server
->data
);
3563 if (unlikely(status
!= 0))
3565 dprintk("%s ", server
->data
);
3566 if (loc
->nservers
< NFS4_FS_LOCATION_MAXSERVERS
)
3570 dprintk("%s: using first %u of %u servers "
3571 "returned for location %u\n",
3573 NFS4_FS_LOCATION_MAXSERVERS
,
3574 m
, res
->nlocations
);
3575 for (i
= loc
->nservers
; i
< m
; i
++) {
3578 status
= decode_opaque_inline(xdr
, &len
, &data
);
3579 if (unlikely(status
!= 0))
3584 status
= decode_pathname(xdr
, &loc
->rootpath
);
3585 if (unlikely(status
!= 0))
3587 if (res
->nlocations
< NFS4_FS_LOCATIONS_MAXENTRIES
)
3590 if (res
->nlocations
!= 0)
3591 status
= NFS_ATTR_FATTR_V4_LOCATIONS
;
3593 dprintk("%s: fs_locations done, error = %d\n", __func__
, status
);
3596 print_overflow_msg(__func__
, xdr
);
3602 static int decode_attr_maxfilesize(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
3608 if (unlikely(bitmap
[0] & (FATTR4_WORD0_MAXFILESIZE
- 1U)))
3610 if (likely(bitmap
[0] & FATTR4_WORD0_MAXFILESIZE
)) {
3611 p
= xdr_inline_decode(xdr
, 8);
3614 xdr_decode_hyper(p
, res
);
3615 bitmap
[0] &= ~FATTR4_WORD0_MAXFILESIZE
;
3617 dprintk("%s: maxfilesize=%Lu\n", __func__
, (unsigned long long)*res
);
3620 print_overflow_msg(__func__
, xdr
);
3624 static int decode_attr_maxlink(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *maxlink
)
3630 if (unlikely(bitmap
[0] & (FATTR4_WORD0_MAXLINK
- 1U)))
3632 if (likely(bitmap
[0] & FATTR4_WORD0_MAXLINK
)) {
3633 p
= xdr_inline_decode(xdr
, 4);
3636 *maxlink
= be32_to_cpup(p
);
3637 bitmap
[0] &= ~FATTR4_WORD0_MAXLINK
;
3639 dprintk("%s: maxlink=%u\n", __func__
, *maxlink
);
3642 print_overflow_msg(__func__
, xdr
);
3646 static int decode_attr_maxname(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *maxname
)
3652 if (unlikely(bitmap
[0] & (FATTR4_WORD0_MAXNAME
- 1U)))
3654 if (likely(bitmap
[0] & FATTR4_WORD0_MAXNAME
)) {
3655 p
= xdr_inline_decode(xdr
, 4);
3658 *maxname
= be32_to_cpup(p
);
3659 bitmap
[0] &= ~FATTR4_WORD0_MAXNAME
;
3661 dprintk("%s: maxname=%u\n", __func__
, *maxname
);
3664 print_overflow_msg(__func__
, xdr
);
3668 static int decode_attr_maxread(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *res
)
3674 if (unlikely(bitmap
[0] & (FATTR4_WORD0_MAXREAD
- 1U)))
3676 if (likely(bitmap
[0] & FATTR4_WORD0_MAXREAD
)) {
3678 p
= xdr_inline_decode(xdr
, 8);
3681 xdr_decode_hyper(p
, &maxread
);
3682 if (maxread
> 0x7FFFFFFF)
3683 maxread
= 0x7FFFFFFF;
3684 *res
= (uint32_t)maxread
;
3685 bitmap
[0] &= ~FATTR4_WORD0_MAXREAD
;
3687 dprintk("%s: maxread=%lu\n", __func__
, (unsigned long)*res
);
3690 print_overflow_msg(__func__
, xdr
);
3694 static int decode_attr_maxwrite(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *res
)
3700 if (unlikely(bitmap
[0] & (FATTR4_WORD0_MAXWRITE
- 1U)))
3702 if (likely(bitmap
[0] & FATTR4_WORD0_MAXWRITE
)) {
3704 p
= xdr_inline_decode(xdr
, 8);
3707 xdr_decode_hyper(p
, &maxwrite
);
3708 if (maxwrite
> 0x7FFFFFFF)
3709 maxwrite
= 0x7FFFFFFF;
3710 *res
= (uint32_t)maxwrite
;
3711 bitmap
[0] &= ~FATTR4_WORD0_MAXWRITE
;
3713 dprintk("%s: maxwrite=%lu\n", __func__
, (unsigned long)*res
);
3716 print_overflow_msg(__func__
, xdr
);
3720 static int decode_attr_mode(struct xdr_stream
*xdr
, uint32_t *bitmap
, umode_t
*mode
)
3727 if (unlikely(bitmap
[1] & (FATTR4_WORD1_MODE
- 1U)))
3729 if (likely(bitmap
[1] & FATTR4_WORD1_MODE
)) {
3730 p
= xdr_inline_decode(xdr
, 4);
3733 tmp
= be32_to_cpup(p
);
3734 *mode
= tmp
& ~S_IFMT
;
3735 bitmap
[1] &= ~FATTR4_WORD1_MODE
;
3736 ret
= NFS_ATTR_FATTR_MODE
;
3738 dprintk("%s: file mode=0%o\n", __func__
, (unsigned int)*mode
);
3741 print_overflow_msg(__func__
, xdr
);
3745 static int decode_attr_nlink(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *nlink
)
3751 if (unlikely(bitmap
[1] & (FATTR4_WORD1_NUMLINKS
- 1U)))
3753 if (likely(bitmap
[1] & FATTR4_WORD1_NUMLINKS
)) {
3754 p
= xdr_inline_decode(xdr
, 4);
3757 *nlink
= be32_to_cpup(p
);
3758 bitmap
[1] &= ~FATTR4_WORD1_NUMLINKS
;
3759 ret
= NFS_ATTR_FATTR_NLINK
;
3761 dprintk("%s: nlink=%u\n", __func__
, (unsigned int)*nlink
);
3764 print_overflow_msg(__func__
, xdr
);
3768 static int decode_attr_owner(struct xdr_stream
*xdr
, uint32_t *bitmap
,
3769 const struct nfs_server
*server
, uint32_t *uid
,
3770 struct nfs4_string
*owner_name
)
3777 if (unlikely(bitmap
[1] & (FATTR4_WORD1_OWNER
- 1U)))
3779 if (likely(bitmap
[1] & FATTR4_WORD1_OWNER
)) {
3780 p
= xdr_inline_decode(xdr
, 4);
3783 len
= be32_to_cpup(p
);
3784 p
= xdr_inline_decode(xdr
, len
);
3787 if (owner_name
!= NULL
) {
3788 owner_name
->data
= kmemdup(p
, len
, GFP_NOWAIT
);
3789 if (owner_name
->data
!= NULL
) {
3790 owner_name
->len
= len
;
3791 ret
= NFS_ATTR_FATTR_OWNER_NAME
;
3793 } else if (len
< XDR_MAX_NETOBJ
) {
3794 if (nfs_map_name_to_uid(server
, (char *)p
, len
, uid
) == 0)
3795 ret
= NFS_ATTR_FATTR_OWNER
;
3797 dprintk("%s: nfs_map_name_to_uid failed!\n",
3800 dprintk("%s: name too long (%u)!\n",
3802 bitmap
[1] &= ~FATTR4_WORD1_OWNER
;
3804 dprintk("%s: uid=%d\n", __func__
, (int)*uid
);
3807 print_overflow_msg(__func__
, xdr
);
3811 static int decode_attr_group(struct xdr_stream
*xdr
, uint32_t *bitmap
,
3812 const struct nfs_server
*server
, uint32_t *gid
,
3813 struct nfs4_string
*group_name
)
3820 if (unlikely(bitmap
[1] & (FATTR4_WORD1_OWNER_GROUP
- 1U)))
3822 if (likely(bitmap
[1] & FATTR4_WORD1_OWNER_GROUP
)) {
3823 p
= xdr_inline_decode(xdr
, 4);
3826 len
= be32_to_cpup(p
);
3827 p
= xdr_inline_decode(xdr
, len
);
3830 if (group_name
!= NULL
) {
3831 group_name
->data
= kmemdup(p
, len
, GFP_NOWAIT
);
3832 if (group_name
->data
!= NULL
) {
3833 group_name
->len
= len
;
3834 ret
= NFS_ATTR_FATTR_GROUP_NAME
;
3836 } else if (len
< XDR_MAX_NETOBJ
) {
3837 if (nfs_map_group_to_gid(server
, (char *)p
, len
, gid
) == 0)
3838 ret
= NFS_ATTR_FATTR_GROUP
;
3840 dprintk("%s: nfs_map_group_to_gid failed!\n",
3843 dprintk("%s: name too long (%u)!\n",
3845 bitmap
[1] &= ~FATTR4_WORD1_OWNER_GROUP
;
3847 dprintk("%s: gid=%d\n", __func__
, (int)*gid
);
3850 print_overflow_msg(__func__
, xdr
);
3854 static int decode_attr_rdev(struct xdr_stream
*xdr
, uint32_t *bitmap
, dev_t
*rdev
)
3856 uint32_t major
= 0, minor
= 0;
3861 if (unlikely(bitmap
[1] & (FATTR4_WORD1_RAWDEV
- 1U)))
3863 if (likely(bitmap
[1] & FATTR4_WORD1_RAWDEV
)) {
3866 p
= xdr_inline_decode(xdr
, 8);
3869 major
= be32_to_cpup(p
++);
3870 minor
= be32_to_cpup(p
);
3871 tmp
= MKDEV(major
, minor
);
3872 if (MAJOR(tmp
) == major
&& MINOR(tmp
) == minor
)
3874 bitmap
[1] &= ~ FATTR4_WORD1_RAWDEV
;
3875 ret
= NFS_ATTR_FATTR_RDEV
;
3877 dprintk("%s: rdev=(0x%x:0x%x)\n", __func__
, major
, minor
);
3880 print_overflow_msg(__func__
, xdr
);
3884 static int decode_attr_space_avail(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
3890 if (unlikely(bitmap
[1] & (FATTR4_WORD1_SPACE_AVAIL
- 1U)))
3892 if (likely(bitmap
[1] & FATTR4_WORD1_SPACE_AVAIL
)) {
3893 p
= xdr_inline_decode(xdr
, 8);
3896 xdr_decode_hyper(p
, res
);
3897 bitmap
[1] &= ~FATTR4_WORD1_SPACE_AVAIL
;
3899 dprintk("%s: space avail=%Lu\n", __func__
, (unsigned long long)*res
);
3902 print_overflow_msg(__func__
, xdr
);
3906 static int decode_attr_space_free(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
3912 if (unlikely(bitmap
[1] & (FATTR4_WORD1_SPACE_FREE
- 1U)))
3914 if (likely(bitmap
[1] & FATTR4_WORD1_SPACE_FREE
)) {
3915 p
= xdr_inline_decode(xdr
, 8);
3918 xdr_decode_hyper(p
, res
);
3919 bitmap
[1] &= ~FATTR4_WORD1_SPACE_FREE
;
3921 dprintk("%s: space free=%Lu\n", __func__
, (unsigned long long)*res
);
3924 print_overflow_msg(__func__
, xdr
);
3928 static int decode_attr_space_total(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
3934 if (unlikely(bitmap
[1] & (FATTR4_WORD1_SPACE_TOTAL
- 1U)))
3936 if (likely(bitmap
[1] & FATTR4_WORD1_SPACE_TOTAL
)) {
3937 p
= xdr_inline_decode(xdr
, 8);
3940 xdr_decode_hyper(p
, res
);
3941 bitmap
[1] &= ~FATTR4_WORD1_SPACE_TOTAL
;
3943 dprintk("%s: space total=%Lu\n", __func__
, (unsigned long long)*res
);
3946 print_overflow_msg(__func__
, xdr
);
3950 static int decode_attr_space_used(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *used
)
3956 if (unlikely(bitmap
[1] & (FATTR4_WORD1_SPACE_USED
- 1U)))
3958 if (likely(bitmap
[1] & FATTR4_WORD1_SPACE_USED
)) {
3959 p
= xdr_inline_decode(xdr
, 8);
3962 xdr_decode_hyper(p
, used
);
3963 bitmap
[1] &= ~FATTR4_WORD1_SPACE_USED
;
3964 ret
= NFS_ATTR_FATTR_SPACE_USED
;
3966 dprintk("%s: space used=%Lu\n", __func__
,
3967 (unsigned long long)*used
);
3970 print_overflow_msg(__func__
, xdr
);
3974 static int decode_attr_time(struct xdr_stream
*xdr
, struct timespec
*time
)
3980 p
= xdr_inline_decode(xdr
, 12);
3983 p
= xdr_decode_hyper(p
, &sec
);
3984 nsec
= be32_to_cpup(p
);
3985 time
->tv_sec
= (time_t)sec
;
3986 time
->tv_nsec
= (long)nsec
;
3989 print_overflow_msg(__func__
, xdr
);
3993 static int decode_attr_time_access(struct xdr_stream
*xdr
, uint32_t *bitmap
, struct timespec
*time
)
3999 if (unlikely(bitmap
[1] & (FATTR4_WORD1_TIME_ACCESS
- 1U)))
4001 if (likely(bitmap
[1] & FATTR4_WORD1_TIME_ACCESS
)) {
4002 status
= decode_attr_time(xdr
, time
);
4004 status
= NFS_ATTR_FATTR_ATIME
;
4005 bitmap
[1] &= ~FATTR4_WORD1_TIME_ACCESS
;
4007 dprintk("%s: atime=%ld\n", __func__
, (long)time
->tv_sec
);
4011 static int decode_attr_time_metadata(struct xdr_stream
*xdr
, uint32_t *bitmap
, struct timespec
*time
)
4017 if (unlikely(bitmap
[1] & (FATTR4_WORD1_TIME_METADATA
- 1U)))
4019 if (likely(bitmap
[1] & FATTR4_WORD1_TIME_METADATA
)) {
4020 status
= decode_attr_time(xdr
, time
);
4022 status
= NFS_ATTR_FATTR_CTIME
;
4023 bitmap
[1] &= ~FATTR4_WORD1_TIME_METADATA
;
4025 dprintk("%s: ctime=%ld\n", __func__
, (long)time
->tv_sec
);
4029 static int decode_attr_time_delta(struct xdr_stream
*xdr
, uint32_t *bitmap
,
4030 struct timespec
*time
)
4036 if (unlikely(bitmap
[1] & (FATTR4_WORD1_TIME_DELTA
- 1U)))
4038 if (likely(bitmap
[1] & FATTR4_WORD1_TIME_DELTA
)) {
4039 status
= decode_attr_time(xdr
, time
);
4040 bitmap
[1] &= ~FATTR4_WORD1_TIME_DELTA
;
4042 dprintk("%s: time_delta=%ld %ld\n", __func__
, (long)time
->tv_sec
,
4043 (long)time
->tv_nsec
);
4047 static int decode_attr_time_modify(struct xdr_stream
*xdr
, uint32_t *bitmap
, struct timespec
*time
)
4053 if (unlikely(bitmap
[1] & (FATTR4_WORD1_TIME_MODIFY
- 1U)))
4055 if (likely(bitmap
[1] & FATTR4_WORD1_TIME_MODIFY
)) {
4056 status
= decode_attr_time(xdr
, time
);
4058 status
= NFS_ATTR_FATTR_MTIME
;
4059 bitmap
[1] &= ~FATTR4_WORD1_TIME_MODIFY
;
4061 dprintk("%s: mtime=%ld\n", __func__
, (long)time
->tv_sec
);
4065 static int verify_attr_len(struct xdr_stream
*xdr
, unsigned int savep
, uint32_t attrlen
)
4067 unsigned int attrwords
= XDR_QUADLEN(attrlen
);
4068 unsigned int nwords
= (xdr_stream_pos(xdr
) - savep
) >> 2;
4070 if (unlikely(attrwords
!= nwords
)) {
4071 dprintk("%s: server returned incorrect attribute length: "
4075 (attrwords
< nwords
) ? '<' : '>',
4082 static int decode_change_info(struct xdr_stream
*xdr
, struct nfs4_change_info
*cinfo
)
4086 p
= xdr_inline_decode(xdr
, 20);
4089 cinfo
->atomic
= be32_to_cpup(p
++);
4090 p
= xdr_decode_hyper(p
, &cinfo
->before
);
4091 xdr_decode_hyper(p
, &cinfo
->after
);
4094 print_overflow_msg(__func__
, xdr
);
4098 static int decode_access(struct xdr_stream
*xdr
, struct nfs4_accessres
*access
)
4104 status
= decode_op_hdr(xdr
, OP_ACCESS
);
4107 p
= xdr_inline_decode(xdr
, 8);
4110 supp
= be32_to_cpup(p
++);
4111 acc
= be32_to_cpup(p
);
4112 access
->supported
= supp
;
4113 access
->access
= acc
;
4116 print_overflow_msg(__func__
, xdr
);
4120 static int decode_opaque_fixed(struct xdr_stream
*xdr
, void *buf
, size_t len
)
4124 p
= xdr_inline_decode(xdr
, len
);
4126 memcpy(buf
, p
, len
);
4129 print_overflow_msg(__func__
, xdr
);
4133 static int decode_stateid(struct xdr_stream
*xdr
, nfs4_stateid
*stateid
)
4135 return decode_opaque_fixed(xdr
, stateid
, NFS4_STATEID_SIZE
);
4138 static int decode_close(struct xdr_stream
*xdr
, struct nfs_closeres
*res
)
4142 status
= decode_op_hdr(xdr
, OP_CLOSE
);
4144 nfs_increment_open_seqid(status
, res
->seqid
);
4146 status
= decode_stateid(xdr
, &res
->stateid
);
4150 static int decode_verifier(struct xdr_stream
*xdr
, void *verifier
)
4152 return decode_opaque_fixed(xdr
, verifier
, NFS4_VERIFIER_SIZE
);
4155 static int decode_write_verifier(struct xdr_stream
*xdr
, struct nfs_write_verifier
*verifier
)
4157 return decode_opaque_fixed(xdr
, verifier
->data
, NFS4_VERIFIER_SIZE
);
4160 static int decode_commit(struct xdr_stream
*xdr
, struct nfs_commitres
*res
)
4164 status
= decode_op_hdr(xdr
, OP_COMMIT
);
4166 status
= decode_write_verifier(xdr
, &res
->verf
->verifier
);
4170 static int decode_create(struct xdr_stream
*xdr
, struct nfs4_change_info
*cinfo
)
4176 status
= decode_op_hdr(xdr
, OP_CREATE
);
4179 if ((status
= decode_change_info(xdr
, cinfo
)))
4181 p
= xdr_inline_decode(xdr
, 4);
4184 bmlen
= be32_to_cpup(p
);
4185 p
= xdr_inline_decode(xdr
, bmlen
<< 2);
4189 print_overflow_msg(__func__
, xdr
);
4193 static int decode_server_caps(struct xdr_stream
*xdr
, struct nfs4_server_caps_res
*res
)
4196 uint32_t attrlen
, bitmap
[3] = {0};
4199 if ((status
= decode_op_hdr(xdr
, OP_GETATTR
)) != 0)
4201 if ((status
= decode_attr_bitmap(xdr
, bitmap
)) != 0)
4203 if ((status
= decode_attr_length(xdr
, &attrlen
, &savep
)) != 0)
4205 if ((status
= decode_attr_supported(xdr
, bitmap
, res
->attr_bitmask
)) != 0)
4207 if ((status
= decode_attr_fh_expire_type(xdr
, bitmap
,
4208 &res
->fh_expire_type
)) != 0)
4210 if ((status
= decode_attr_link_support(xdr
, bitmap
, &res
->has_links
)) != 0)
4212 if ((status
= decode_attr_symlink_support(xdr
, bitmap
, &res
->has_symlinks
)) != 0)
4214 if ((status
= decode_attr_aclsupport(xdr
, bitmap
, &res
->acl_bitmask
)) != 0)
4216 status
= verify_attr_len(xdr
, savep
, attrlen
);
4218 dprintk("%s: xdr returned %d!\n", __func__
, -status
);
4222 static int decode_statfs(struct xdr_stream
*xdr
, struct nfs_fsstat
*fsstat
)
4225 uint32_t attrlen
, bitmap
[3] = {0};
4228 if ((status
= decode_op_hdr(xdr
, OP_GETATTR
)) != 0)
4230 if ((status
= decode_attr_bitmap(xdr
, bitmap
)) != 0)
4232 if ((status
= decode_attr_length(xdr
, &attrlen
, &savep
)) != 0)
4235 if ((status
= decode_attr_files_avail(xdr
, bitmap
, &fsstat
->afiles
)) != 0)
4237 if ((status
= decode_attr_files_free(xdr
, bitmap
, &fsstat
->ffiles
)) != 0)
4239 if ((status
= decode_attr_files_total(xdr
, bitmap
, &fsstat
->tfiles
)) != 0)
4241 if ((status
= decode_attr_space_avail(xdr
, bitmap
, &fsstat
->abytes
)) != 0)
4243 if ((status
= decode_attr_space_free(xdr
, bitmap
, &fsstat
->fbytes
)) != 0)
4245 if ((status
= decode_attr_space_total(xdr
, bitmap
, &fsstat
->tbytes
)) != 0)
4248 status
= verify_attr_len(xdr
, savep
, attrlen
);
4250 dprintk("%s: xdr returned %d!\n", __func__
, -status
);
4254 static int decode_pathconf(struct xdr_stream
*xdr
, struct nfs_pathconf
*pathconf
)
4257 uint32_t attrlen
, bitmap
[3] = {0};
4260 if ((status
= decode_op_hdr(xdr
, OP_GETATTR
)) != 0)
4262 if ((status
= decode_attr_bitmap(xdr
, bitmap
)) != 0)
4264 if ((status
= decode_attr_length(xdr
, &attrlen
, &savep
)) != 0)
4267 if ((status
= decode_attr_maxlink(xdr
, bitmap
, &pathconf
->max_link
)) != 0)
4269 if ((status
= decode_attr_maxname(xdr
, bitmap
, &pathconf
->max_namelen
)) != 0)
4272 status
= verify_attr_len(xdr
, savep
, attrlen
);
4274 dprintk("%s: xdr returned %d!\n", __func__
, -status
);
4278 static int decode_threshold_hint(struct xdr_stream
*xdr
,
4286 if (likely(bitmap
[0] & hint_bit
)) {
4287 p
= xdr_inline_decode(xdr
, 8);
4290 xdr_decode_hyper(p
, res
);
4294 print_overflow_msg(__func__
, xdr
);
4298 static int decode_first_threshold_item4(struct xdr_stream
*xdr
,
4299 struct nfs4_threshold
*res
)
4303 uint32_t bitmap
[3] = {0,}, attrlen
;
4307 p
= xdr_inline_decode(xdr
, 4);
4309 print_overflow_msg(__func__
, xdr
);
4312 res
->l_type
= be32_to_cpup(p
);
4314 /* thi_hintset bitmap */
4315 status
= decode_attr_bitmap(xdr
, bitmap
);
4319 /* thi_hintlist length */
4320 status
= decode_attr_length(xdr
, &attrlen
, &savep
);
4324 status
= decode_threshold_hint(xdr
, bitmap
, &res
->rd_sz
, THRESHOLD_RD
);
4327 status
= decode_threshold_hint(xdr
, bitmap
, &res
->wr_sz
, THRESHOLD_WR
);
4330 status
= decode_threshold_hint(xdr
, bitmap
, &res
->rd_io_sz
,
4334 status
= decode_threshold_hint(xdr
, bitmap
, &res
->wr_io_sz
,
4339 status
= verify_attr_len(xdr
, savep
, attrlen
);
4340 res
->bm
= bitmap
[0];
4342 dprintk("%s bm=0x%x rd_sz=%llu wr_sz=%llu rd_io=%llu wr_io=%llu\n",
4343 __func__
, res
->bm
, res
->rd_sz
, res
->wr_sz
, res
->rd_io_sz
,
4346 dprintk("%s ret=%d!\n", __func__
, status
);
4351 * Thresholds on pNFS direct I/O vrs MDS I/O
4353 static int decode_attr_mdsthreshold(struct xdr_stream
*xdr
,
4355 struct nfs4_threshold
*res
)
4361 if (unlikely(bitmap
[2] & (FATTR4_WORD2_MDSTHRESHOLD
- 1U)))
4363 if (bitmap
[2] & FATTR4_WORD2_MDSTHRESHOLD
) {
4364 /* Did the server return an unrequested attribute? */
4365 if (unlikely(res
== NULL
))
4367 p
= xdr_inline_decode(xdr
, 4);
4370 num
= be32_to_cpup(p
);
4374 printk(KERN_INFO
"%s: Warning: Multiple pNFS layout "
4375 "drivers per filesystem not supported\n",
4378 status
= decode_first_threshold_item4(xdr
, res
);
4379 bitmap
[2] &= ~FATTR4_WORD2_MDSTHRESHOLD
;
4383 print_overflow_msg(__func__
, xdr
);
4387 static int decode_getfattr_attrs(struct xdr_stream
*xdr
, uint32_t *bitmap
,
4388 struct nfs_fattr
*fattr
, struct nfs_fh
*fh
,
4389 struct nfs4_fs_locations
*fs_loc
,
4390 const struct nfs_server
*server
)
4397 status
= decode_attr_type(xdr
, bitmap
, &type
);
4402 fattr
->mode
|= nfs_type2fmt
[type
];
4403 fattr
->valid
|= status
;
4406 status
= decode_attr_change(xdr
, bitmap
, &fattr
->change_attr
);
4409 fattr
->valid
|= status
;
4411 status
= decode_attr_size(xdr
, bitmap
, &fattr
->size
);
4414 fattr
->valid
|= status
;
4416 status
= decode_attr_fsid(xdr
, bitmap
, &fattr
->fsid
);
4419 fattr
->valid
|= status
;
4422 status
= decode_attr_error(xdr
, bitmap
, &err
);
4426 status
= decode_attr_filehandle(xdr
, bitmap
, fh
);
4430 status
= decode_attr_fileid(xdr
, bitmap
, &fattr
->fileid
);
4433 fattr
->valid
|= status
;
4435 status
= decode_attr_fs_locations(xdr
, bitmap
, fs_loc
);
4438 fattr
->valid
|= status
;
4440 status
= decode_attr_mode(xdr
, bitmap
, &fmode
);
4444 fattr
->mode
|= fmode
;
4445 fattr
->valid
|= status
;
4448 status
= decode_attr_nlink(xdr
, bitmap
, &fattr
->nlink
);
4451 fattr
->valid
|= status
;
4453 status
= decode_attr_owner(xdr
, bitmap
, server
, &fattr
->uid
, fattr
->owner_name
);
4456 fattr
->valid
|= status
;
4458 status
= decode_attr_group(xdr
, bitmap
, server
, &fattr
->gid
, fattr
->group_name
);
4461 fattr
->valid
|= status
;
4463 status
= decode_attr_rdev(xdr
, bitmap
, &fattr
->rdev
);
4466 fattr
->valid
|= status
;
4468 status
= decode_attr_space_used(xdr
, bitmap
, &fattr
->du
.nfs3
.used
);
4471 fattr
->valid
|= status
;
4473 status
= decode_attr_time_access(xdr
, bitmap
, &fattr
->atime
);
4476 fattr
->valid
|= status
;
4478 status
= decode_attr_time_metadata(xdr
, bitmap
, &fattr
->ctime
);
4481 fattr
->valid
|= status
;
4483 status
= decode_attr_time_modify(xdr
, bitmap
, &fattr
->mtime
);
4486 fattr
->valid
|= status
;
4488 status
= decode_attr_mounted_on_fileid(xdr
, bitmap
, &fattr
->mounted_on_fileid
);
4491 fattr
->valid
|= status
;
4493 status
= decode_attr_mdsthreshold(xdr
, bitmap
, fattr
->mdsthreshold
);
4498 dprintk("%s: xdr returned %d\n", __func__
, -status
);
4502 static int decode_getfattr_generic(struct xdr_stream
*xdr
, struct nfs_fattr
*fattr
,
4503 struct nfs_fh
*fh
, struct nfs4_fs_locations
*fs_loc
,
4504 const struct nfs_server
*server
)
4511 status
= decode_op_hdr(xdr
, OP_GETATTR
);
4515 status
= decode_attr_bitmap(xdr
, bitmap
);
4519 status
= decode_attr_length(xdr
, &attrlen
, &savep
);
4523 status
= decode_getfattr_attrs(xdr
, bitmap
, fattr
, fh
, fs_loc
, server
);
4527 status
= verify_attr_len(xdr
, savep
, attrlen
);
4529 dprintk("%s: xdr returned %d\n", __func__
, -status
);
4533 static int decode_getfattr(struct xdr_stream
*xdr
, struct nfs_fattr
*fattr
,
4534 const struct nfs_server
*server
)
4536 return decode_getfattr_generic(xdr
, fattr
, NULL
, NULL
, server
);
4540 * Decode potentially multiple layout types. Currently we only support
4541 * one layout driver per file system.
4543 static int decode_first_pnfs_layout_type(struct xdr_stream
*xdr
,
4544 uint32_t *layouttype
)
4549 p
= xdr_inline_decode(xdr
, 4);
4552 num
= be32_to_cpup(p
);
4554 /* pNFS is not supported by the underlying file system */
4560 printk(KERN_INFO
"NFS: %s: Warning: Multiple pNFS layout "
4561 "drivers per filesystem not supported\n", __func__
);
4563 /* Decode and set first layout type, move xdr->p past unused types */
4564 p
= xdr_inline_decode(xdr
, num
* 4);
4567 *layouttype
= be32_to_cpup(p
);
4570 print_overflow_msg(__func__
, xdr
);
4575 * The type of file system exported.
4576 * Note we must ensure that layouttype is set in any non-error case.
4578 static int decode_attr_pnfstype(struct xdr_stream
*xdr
, uint32_t *bitmap
,
4579 uint32_t *layouttype
)
4583 dprintk("%s: bitmap is %x\n", __func__
, bitmap
[1]);
4584 if (unlikely(bitmap
[1] & (FATTR4_WORD1_FS_LAYOUT_TYPES
- 1U)))
4586 if (bitmap
[1] & FATTR4_WORD1_FS_LAYOUT_TYPES
) {
4587 status
= decode_first_pnfs_layout_type(xdr
, layouttype
);
4588 bitmap
[1] &= ~FATTR4_WORD1_FS_LAYOUT_TYPES
;
4595 * The prefered block size for layout directed io
4597 static int decode_attr_layout_blksize(struct xdr_stream
*xdr
, uint32_t *bitmap
,
4602 dprintk("%s: bitmap is %x\n", __func__
, bitmap
[2]);
4604 if (bitmap
[2] & FATTR4_WORD2_LAYOUT_BLKSIZE
) {
4605 p
= xdr_inline_decode(xdr
, 4);
4607 print_overflow_msg(__func__
, xdr
);
4610 *res
= be32_to_cpup(p
);
4611 bitmap
[2] &= ~FATTR4_WORD2_LAYOUT_BLKSIZE
;
4616 static int decode_fsinfo(struct xdr_stream
*xdr
, struct nfs_fsinfo
*fsinfo
)
4619 uint32_t attrlen
, bitmap
[3];
4622 if ((status
= decode_op_hdr(xdr
, OP_GETATTR
)) != 0)
4624 if ((status
= decode_attr_bitmap(xdr
, bitmap
)) != 0)
4626 if ((status
= decode_attr_length(xdr
, &attrlen
, &savep
)) != 0)
4629 fsinfo
->rtmult
= fsinfo
->wtmult
= 512; /* ??? */
4631 if ((status
= decode_attr_lease_time(xdr
, bitmap
, &fsinfo
->lease_time
)) != 0)
4633 if ((status
= decode_attr_maxfilesize(xdr
, bitmap
, &fsinfo
->maxfilesize
)) != 0)
4635 if ((status
= decode_attr_maxread(xdr
, bitmap
, &fsinfo
->rtmax
)) != 0)
4637 fsinfo
->rtpref
= fsinfo
->dtpref
= fsinfo
->rtmax
;
4638 if ((status
= decode_attr_maxwrite(xdr
, bitmap
, &fsinfo
->wtmax
)) != 0)
4640 fsinfo
->wtpref
= fsinfo
->wtmax
;
4641 status
= decode_attr_time_delta(xdr
, bitmap
, &fsinfo
->time_delta
);
4644 status
= decode_attr_pnfstype(xdr
, bitmap
, &fsinfo
->layouttype
);
4647 status
= decode_attr_layout_blksize(xdr
, bitmap
, &fsinfo
->blksize
);
4651 status
= verify_attr_len(xdr
, savep
, attrlen
);
4653 dprintk("%s: xdr returned %d!\n", __func__
, -status
);
4657 static int decode_getfh(struct xdr_stream
*xdr
, struct nfs_fh
*fh
)
4663 /* Zero handle first to allow comparisons */
4664 memset(fh
, 0, sizeof(*fh
));
4666 status
= decode_op_hdr(xdr
, OP_GETFH
);
4670 p
= xdr_inline_decode(xdr
, 4);
4673 len
= be32_to_cpup(p
);
4674 if (len
> NFS4_FHSIZE
)
4677 p
= xdr_inline_decode(xdr
, len
);
4680 memcpy(fh
->data
, p
, len
);
4683 print_overflow_msg(__func__
, xdr
);
4687 static int decode_link(struct xdr_stream
*xdr
, struct nfs4_change_info
*cinfo
)
4691 status
= decode_op_hdr(xdr
, OP_LINK
);
4694 return decode_change_info(xdr
, cinfo
);
4698 * We create the owner, so we know a proper owner.id length is 4.
4700 static int decode_lock_denied (struct xdr_stream
*xdr
, struct file_lock
*fl
)
4702 uint64_t offset
, length
, clientid
;
4704 uint32_t namelen
, type
;
4706 p
= xdr_inline_decode(xdr
, 32); /* read 32 bytes */
4709 p
= xdr_decode_hyper(p
, &offset
); /* read 2 8-byte long words */
4710 p
= xdr_decode_hyper(p
, &length
);
4711 type
= be32_to_cpup(p
++); /* 4 byte read */
4712 if (fl
!= NULL
) { /* manipulate file lock */
4713 fl
->fl_start
= (loff_t
)offset
;
4714 fl
->fl_end
= fl
->fl_start
+ (loff_t
)length
- 1;
4715 if (length
== ~(uint64_t)0)
4716 fl
->fl_end
= OFFSET_MAX
;
4717 fl
->fl_type
= F_WRLCK
;
4719 fl
->fl_type
= F_RDLCK
;
4722 p
= xdr_decode_hyper(p
, &clientid
); /* read 8 bytes */
4723 namelen
= be32_to_cpup(p
); /* read 4 bytes */ /* have read all 32 bytes now */
4724 p
= xdr_inline_decode(xdr
, namelen
); /* variable size field */
4726 return -NFS4ERR_DENIED
;
4728 print_overflow_msg(__func__
, xdr
);
4732 static int decode_lock(struct xdr_stream
*xdr
, struct nfs_lock_res
*res
)
4736 status
= decode_op_hdr(xdr
, OP_LOCK
);
4740 status
= decode_stateid(xdr
, &res
->stateid
);
4741 if (unlikely(status
))
4743 } else if (status
== -NFS4ERR_DENIED
)
4744 status
= decode_lock_denied(xdr
, NULL
);
4745 if (res
->open_seqid
!= NULL
)
4746 nfs_increment_open_seqid(status
, res
->open_seqid
);
4747 nfs_increment_lock_seqid(status
, res
->lock_seqid
);
4752 static int decode_lockt(struct xdr_stream
*xdr
, struct nfs_lockt_res
*res
)
4755 status
= decode_op_hdr(xdr
, OP_LOCKT
);
4756 if (status
== -NFS4ERR_DENIED
)
4757 return decode_lock_denied(xdr
, res
->denied
);
4761 static int decode_locku(struct xdr_stream
*xdr
, struct nfs_locku_res
*res
)
4765 status
= decode_op_hdr(xdr
, OP_LOCKU
);
4767 nfs_increment_lock_seqid(status
, res
->seqid
);
4769 status
= decode_stateid(xdr
, &res
->stateid
);
4773 static int decode_release_lockowner(struct xdr_stream
*xdr
)
4775 return decode_op_hdr(xdr
, OP_RELEASE_LOCKOWNER
);
4778 static int decode_lookup(struct xdr_stream
*xdr
)
4780 return decode_op_hdr(xdr
, OP_LOOKUP
);
4783 /* This is too sick! */
4784 static int decode_space_limit(struct xdr_stream
*xdr
, u64
*maxsize
)
4787 uint32_t limit_type
, nblocks
, blocksize
;
4789 p
= xdr_inline_decode(xdr
, 12);
4792 limit_type
= be32_to_cpup(p
++);
4793 switch (limit_type
) {
4795 xdr_decode_hyper(p
, maxsize
);
4798 nblocks
= be32_to_cpup(p
++);
4799 blocksize
= be32_to_cpup(p
);
4800 *maxsize
= (uint64_t)nblocks
* (uint64_t)blocksize
;
4804 print_overflow_msg(__func__
, xdr
);
4808 static int decode_delegation(struct xdr_stream
*xdr
, struct nfs_openres
*res
)
4811 uint32_t delegation_type
;
4814 p
= xdr_inline_decode(xdr
, 4);
4817 delegation_type
= be32_to_cpup(p
);
4818 if (delegation_type
== NFS4_OPEN_DELEGATE_NONE
) {
4819 res
->delegation_type
= 0;
4822 status
= decode_stateid(xdr
, &res
->delegation
);
4823 if (unlikely(status
))
4825 p
= xdr_inline_decode(xdr
, 4);
4828 res
->do_recall
= be32_to_cpup(p
);
4830 switch (delegation_type
) {
4831 case NFS4_OPEN_DELEGATE_READ
:
4832 res
->delegation_type
= FMODE_READ
;
4834 case NFS4_OPEN_DELEGATE_WRITE
:
4835 res
->delegation_type
= FMODE_WRITE
|FMODE_READ
;
4836 if (decode_space_limit(xdr
, &res
->maxsize
) < 0)
4839 return decode_ace(xdr
, NULL
, res
->server
->nfs_client
);
4841 print_overflow_msg(__func__
, xdr
);
4845 static int decode_open(struct xdr_stream
*xdr
, struct nfs_openres
*res
)
4848 uint32_t savewords
, bmlen
, i
;
4851 status
= decode_op_hdr(xdr
, OP_OPEN
);
4853 nfs_increment_open_seqid(status
, res
->seqid
);
4855 status
= decode_stateid(xdr
, &res
->stateid
);
4856 if (unlikely(status
))
4859 decode_change_info(xdr
, &res
->cinfo
);
4861 p
= xdr_inline_decode(xdr
, 8);
4864 res
->rflags
= be32_to_cpup(p
++);
4865 bmlen
= be32_to_cpup(p
);
4869 p
= xdr_inline_decode(xdr
, bmlen
<< 2);
4872 savewords
= min_t(uint32_t, bmlen
, NFS4_BITMAP_SIZE
);
4873 for (i
= 0; i
< savewords
; ++i
)
4874 res
->attrset
[i
] = be32_to_cpup(p
++);
4875 for (; i
< NFS4_BITMAP_SIZE
; i
++)
4876 res
->attrset
[i
] = 0;
4878 return decode_delegation(xdr
, res
);
4880 dprintk("%s: Bitmap too large! Length = %u\n", __func__
, bmlen
);
4883 print_overflow_msg(__func__
, xdr
);
4887 static int decode_open_confirm(struct xdr_stream
*xdr
, struct nfs_open_confirmres
*res
)
4891 status
= decode_op_hdr(xdr
, OP_OPEN_CONFIRM
);
4893 nfs_increment_open_seqid(status
, res
->seqid
);
4895 status
= decode_stateid(xdr
, &res
->stateid
);
4899 static int decode_open_downgrade(struct xdr_stream
*xdr
, struct nfs_closeres
*res
)
4903 status
= decode_op_hdr(xdr
, OP_OPEN_DOWNGRADE
);
4905 nfs_increment_open_seqid(status
, res
->seqid
);
4907 status
= decode_stateid(xdr
, &res
->stateid
);
4911 static int decode_putfh(struct xdr_stream
*xdr
)
4913 return decode_op_hdr(xdr
, OP_PUTFH
);
4916 static int decode_putrootfh(struct xdr_stream
*xdr
)
4918 return decode_op_hdr(xdr
, OP_PUTROOTFH
);
4921 static int decode_read(struct xdr_stream
*xdr
, struct rpc_rqst
*req
, struct nfs_readres
*res
)
4924 uint32_t count
, eof
, recvd
;
4927 status
= decode_op_hdr(xdr
, OP_READ
);
4930 p
= xdr_inline_decode(xdr
, 8);
4933 eof
= be32_to_cpup(p
++);
4934 count
= be32_to_cpup(p
);
4935 recvd
= xdr_read_pages(xdr
, count
);
4936 if (count
> recvd
) {
4937 dprintk("NFS: server cheating in read reply: "
4938 "count %u > recvd %u\n", count
, recvd
);
4946 print_overflow_msg(__func__
, xdr
);
4950 static int decode_readdir(struct xdr_stream
*xdr
, struct rpc_rqst
*req
, struct nfs4_readdir_res
*readdir
)
4955 status
= decode_op_hdr(xdr
, OP_READDIR
);
4957 status
= decode_verifier(xdr
, readdir
->verifier
.data
);
4958 if (unlikely(status
))
4960 memcpy(verf
, readdir
->verifier
.data
, sizeof(verf
));
4961 dprintk("%s: verifier = %08x:%08x\n",
4962 __func__
, verf
[0], verf
[1]);
4963 return xdr_read_pages(xdr
, xdr
->buf
->page_len
);
4966 static int decode_readlink(struct xdr_stream
*xdr
, struct rpc_rqst
*req
)
4968 struct xdr_buf
*rcvbuf
= &req
->rq_rcv_buf
;
4973 status
= decode_op_hdr(xdr
, OP_READLINK
);
4977 /* Convert length of symlink */
4978 p
= xdr_inline_decode(xdr
, 4);
4981 len
= be32_to_cpup(p
);
4982 if (len
>= rcvbuf
->page_len
|| len
<= 0) {
4983 dprintk("nfs: server returned giant symlink!\n");
4984 return -ENAMETOOLONG
;
4986 recvd
= xdr_read_pages(xdr
, len
);
4988 dprintk("NFS: server cheating in readlink reply: "
4989 "count %u > recvd %u\n", len
, recvd
);
4993 * The XDR encode routine has set things up so that
4994 * the link text will be copied directly into the
4995 * buffer. We just have to do overflow-checking,
4996 * and and null-terminate the text (the VFS expects
4997 * null-termination).
4999 xdr_terminate_string(rcvbuf
, len
);
5002 print_overflow_msg(__func__
, xdr
);
5006 static int decode_remove(struct xdr_stream
*xdr
, struct nfs4_change_info
*cinfo
)
5010 status
= decode_op_hdr(xdr
, OP_REMOVE
);
5013 status
= decode_change_info(xdr
, cinfo
);
5018 static int decode_rename(struct xdr_stream
*xdr
, struct nfs4_change_info
*old_cinfo
,
5019 struct nfs4_change_info
*new_cinfo
)
5023 status
= decode_op_hdr(xdr
, OP_RENAME
);
5026 if ((status
= decode_change_info(xdr
, old_cinfo
)))
5028 status
= decode_change_info(xdr
, new_cinfo
);
5033 static int decode_renew(struct xdr_stream
*xdr
)
5035 return decode_op_hdr(xdr
, OP_RENEW
);
5039 decode_restorefh(struct xdr_stream
*xdr
)
5041 return decode_op_hdr(xdr
, OP_RESTOREFH
);
5044 static int decode_getacl(struct xdr_stream
*xdr
, struct rpc_rqst
*req
,
5045 struct nfs_getaclres
*res
)
5051 unsigned int pg_offset
;
5054 if ((status
= decode_op_hdr(xdr
, OP_GETATTR
)) != 0)
5057 xdr_enter_page(xdr
, xdr
->buf
->page_len
);
5059 /* Calculate the offset of the page data */
5060 pg_offset
= xdr
->buf
->head
[0].iov_len
;
5062 if ((status
= decode_attr_bitmap(xdr
, bitmap
)) != 0)
5064 if ((status
= decode_attr_length(xdr
, &attrlen
, &savep
)) != 0)
5067 if (unlikely(bitmap
[0] & (FATTR4_WORD0_ACL
- 1U)))
5069 if (likely(bitmap
[0] & FATTR4_WORD0_ACL
)) {
5071 /* The bitmap (xdr len + bitmaps) and the attr xdr len words
5072 * are stored with the acl data to handle the problem of
5073 * variable length bitmaps.*/
5074 res
->acl_data_offset
= xdr_stream_pos(xdr
) - pg_offset
;
5075 res
->acl_len
= attrlen
;
5077 /* Check for receive buffer overflow */
5078 if (res
->acl_len
> (xdr
->nwords
<< 2) ||
5079 res
->acl_len
+ res
->acl_data_offset
> xdr
->buf
->page_len
) {
5080 res
->acl_flags
|= NFS4_ACL_TRUNC
;
5081 dprintk("NFS: acl reply: attrlen %u > page_len %u\n",
5082 attrlen
, xdr
->nwords
<< 2);
5085 status
= -EOPNOTSUPP
;
5092 decode_savefh(struct xdr_stream
*xdr
)
5094 return decode_op_hdr(xdr
, OP_SAVEFH
);
5097 static int decode_setattr(struct xdr_stream
*xdr
)
5103 status
= decode_op_hdr(xdr
, OP_SETATTR
);
5106 p
= xdr_inline_decode(xdr
, 4);
5109 bmlen
= be32_to_cpup(p
);
5110 p
= xdr_inline_decode(xdr
, bmlen
<< 2);
5114 print_overflow_msg(__func__
, xdr
);
5118 static int decode_setclientid(struct xdr_stream
*xdr
, struct nfs4_setclientid_res
*res
)
5124 p
= xdr_inline_decode(xdr
, 8);
5127 opnum
= be32_to_cpup(p
++);
5128 if (opnum
!= OP_SETCLIENTID
) {
5129 dprintk("nfs: decode_setclientid: Server returned operation"
5133 nfserr
= be32_to_cpup(p
);
5134 if (nfserr
== NFS_OK
) {
5135 p
= xdr_inline_decode(xdr
, 8 + NFS4_VERIFIER_SIZE
);
5138 p
= xdr_decode_hyper(p
, &res
->clientid
);
5139 memcpy(res
->confirm
.data
, p
, NFS4_VERIFIER_SIZE
);
5140 } else if (nfserr
== NFSERR_CLID_INUSE
) {
5143 /* skip netid string */
5144 p
= xdr_inline_decode(xdr
, 4);
5147 len
= be32_to_cpup(p
);
5148 p
= xdr_inline_decode(xdr
, len
);
5152 /* skip uaddr string */
5153 p
= xdr_inline_decode(xdr
, 4);
5156 len
= be32_to_cpup(p
);
5157 p
= xdr_inline_decode(xdr
, len
);
5160 return -NFSERR_CLID_INUSE
;
5162 return nfs4_stat_to_errno(nfserr
);
5166 print_overflow_msg(__func__
, xdr
);
5170 static int decode_setclientid_confirm(struct xdr_stream
*xdr
)
5172 return decode_op_hdr(xdr
, OP_SETCLIENTID_CONFIRM
);
5175 static int decode_write(struct xdr_stream
*xdr
, struct nfs_writeres
*res
)
5180 status
= decode_op_hdr(xdr
, OP_WRITE
);
5184 p
= xdr_inline_decode(xdr
, 8);
5187 res
->count
= be32_to_cpup(p
++);
5188 res
->verf
->committed
= be32_to_cpup(p
++);
5189 return decode_write_verifier(xdr
, &res
->verf
->verifier
);
5191 print_overflow_msg(__func__
, xdr
);
5195 static int decode_delegreturn(struct xdr_stream
*xdr
)
5197 return decode_op_hdr(xdr
, OP_DELEGRETURN
);
5200 static int decode_secinfo_gss(struct xdr_stream
*xdr
, struct nfs4_secinfo_flavor
*flavor
)
5204 p
= xdr_inline_decode(xdr
, 4);
5207 flavor
->gss
.sec_oid4
.len
= be32_to_cpup(p
);
5208 if (flavor
->gss
.sec_oid4
.len
> GSS_OID_MAX_LEN
)
5211 p
= xdr_inline_decode(xdr
, flavor
->gss
.sec_oid4
.len
);
5214 memcpy(flavor
->gss
.sec_oid4
.data
, p
, flavor
->gss
.sec_oid4
.len
);
5216 p
= xdr_inline_decode(xdr
, 8);
5219 flavor
->gss
.qop4
= be32_to_cpup(p
++);
5220 flavor
->gss
.service
= be32_to_cpup(p
);
5225 print_overflow_msg(__func__
, xdr
);
5231 static int decode_secinfo_common(struct xdr_stream
*xdr
, struct nfs4_secinfo_res
*res
)
5233 struct nfs4_secinfo_flavor
*sec_flavor
;
5238 p
= xdr_inline_decode(xdr
, 4);
5242 res
->flavors
->num_flavors
= 0;
5243 num_flavors
= be32_to_cpup(p
);
5245 for (i
= 0; i
< num_flavors
; i
++) {
5246 sec_flavor
= &res
->flavors
->flavors
[i
];
5247 if ((char *)&sec_flavor
[1] - (char *)res
->flavors
> PAGE_SIZE
)
5250 p
= xdr_inline_decode(xdr
, 4);
5253 sec_flavor
->flavor
= be32_to_cpup(p
);
5255 if (sec_flavor
->flavor
== RPC_AUTH_GSS
) {
5256 status
= decode_secinfo_gss(xdr
, sec_flavor
);
5260 res
->flavors
->num_flavors
++;
5267 print_overflow_msg(__func__
, xdr
);
5271 static int decode_secinfo(struct xdr_stream
*xdr
, struct nfs4_secinfo_res
*res
)
5273 int status
= decode_op_hdr(xdr
, OP_SECINFO
);
5276 return decode_secinfo_common(xdr
, res
);
5279 #if defined(CONFIG_NFS_V4_1)
5280 static int decode_secinfo_no_name(struct xdr_stream
*xdr
, struct nfs4_secinfo_res
*res
)
5282 int status
= decode_op_hdr(xdr
, OP_SECINFO_NO_NAME
);
5285 return decode_secinfo_common(xdr
, res
);
5288 static int decode_exchange_id(struct xdr_stream
*xdr
,
5289 struct nfs41_exchange_id_res
*res
)
5295 uint32_t impl_id_count
;
5297 status
= decode_op_hdr(xdr
, OP_EXCHANGE_ID
);
5301 p
= xdr_inline_decode(xdr
, 8);
5304 xdr_decode_hyper(p
, &res
->clientid
);
5305 p
= xdr_inline_decode(xdr
, 12);
5308 res
->seqid
= be32_to_cpup(p
++);
5309 res
->flags
= be32_to_cpup(p
++);
5311 /* We ask for SP4_NONE */
5312 dummy
= be32_to_cpup(p
);
5313 if (dummy
!= SP4_NONE
)
5316 /* server_owner4.so_minor_id */
5317 p
= xdr_inline_decode(xdr
, 8);
5320 p
= xdr_decode_hyper(p
, &res
->server_owner
->minor_id
);
5322 /* server_owner4.so_major_id */
5323 status
= decode_opaque_inline(xdr
, &dummy
, &dummy_str
);
5324 if (unlikely(status
))
5326 if (unlikely(dummy
> NFS4_OPAQUE_LIMIT
))
5328 memcpy(res
->server_owner
->major_id
, dummy_str
, dummy
);
5329 res
->server_owner
->major_id_sz
= dummy
;
5332 status
= decode_opaque_inline(xdr
, &dummy
, &dummy_str
);
5333 if (unlikely(status
))
5335 if (unlikely(dummy
> NFS4_OPAQUE_LIMIT
))
5337 memcpy(res
->server_scope
->server_scope
, dummy_str
, dummy
);
5338 res
->server_scope
->server_scope_sz
= dummy
;
5340 /* Implementation Id */
5341 p
= xdr_inline_decode(xdr
, 4);
5344 impl_id_count
= be32_to_cpup(p
++);
5346 if (impl_id_count
) {
5348 status
= decode_opaque_inline(xdr
, &dummy
, &dummy_str
);
5349 if (unlikely(status
))
5351 if (unlikely(dummy
> NFS4_OPAQUE_LIMIT
))
5353 memcpy(res
->impl_id
->domain
, dummy_str
, dummy
);
5356 status
= decode_opaque_inline(xdr
, &dummy
, &dummy_str
);
5357 if (unlikely(status
))
5359 if (unlikely(dummy
> NFS4_OPAQUE_LIMIT
))
5361 memcpy(res
->impl_id
->name
, dummy_str
, dummy
);
5364 p
= xdr_inline_decode(xdr
, 12);
5367 p
= xdr_decode_hyper(p
, &res
->impl_id
->date
.seconds
);
5368 res
->impl_id
->date
.nseconds
= be32_to_cpup(p
);
5370 /* if there's more than one entry, ignore the rest */
5374 print_overflow_msg(__func__
, xdr
);
5378 static int decode_chan_attrs(struct xdr_stream
*xdr
,
5379 struct nfs4_channel_attrs
*attrs
)
5384 p
= xdr_inline_decode(xdr
, 28);
5387 val
= be32_to_cpup(p
++); /* headerpadsz */
5389 return -EINVAL
; /* no support for header padding yet */
5390 attrs
->max_rqst_sz
= be32_to_cpup(p
++);
5391 attrs
->max_resp_sz
= be32_to_cpup(p
++);
5392 attrs
->max_resp_sz_cached
= be32_to_cpup(p
++);
5393 attrs
->max_ops
= be32_to_cpup(p
++);
5394 attrs
->max_reqs
= be32_to_cpup(p
++);
5395 nr_attrs
= be32_to_cpup(p
);
5396 if (unlikely(nr_attrs
> 1)) {
5397 printk(KERN_WARNING
"NFS: %s: Invalid rdma channel attrs "
5398 "count %u\n", __func__
, nr_attrs
);
5401 if (nr_attrs
== 1) {
5402 p
= xdr_inline_decode(xdr
, 4); /* skip rdma_attrs */
5408 print_overflow_msg(__func__
, xdr
);
5412 static int decode_sessionid(struct xdr_stream
*xdr
, struct nfs4_sessionid
*sid
)
5414 return decode_opaque_fixed(xdr
, sid
->data
, NFS4_MAX_SESSIONID_LEN
);
5417 static int decode_bind_conn_to_session(struct xdr_stream
*xdr
,
5418 struct nfs41_bind_conn_to_session_res
*res
)
5423 status
= decode_op_hdr(xdr
, OP_BIND_CONN_TO_SESSION
);
5425 status
= decode_sessionid(xdr
, &res
->session
->sess_id
);
5426 if (unlikely(status
))
5429 /* dir flags, rdma mode bool */
5430 p
= xdr_inline_decode(xdr
, 8);
5434 res
->dir
= be32_to_cpup(p
++);
5435 if (res
->dir
== 0 || res
->dir
> NFS4_CDFS4_BOTH
)
5437 if (be32_to_cpup(p
) == 0)
5438 res
->use_conn_in_rdma_mode
= false;
5440 res
->use_conn_in_rdma_mode
= true;
5444 print_overflow_msg(__func__
, xdr
);
5448 static int decode_create_session(struct xdr_stream
*xdr
,
5449 struct nfs41_create_session_res
*res
)
5453 struct nfs_client
*clp
= res
->client
;
5454 struct nfs4_session
*session
= clp
->cl_session
;
5456 status
= decode_op_hdr(xdr
, OP_CREATE_SESSION
);
5458 status
= decode_sessionid(xdr
, &session
->sess_id
);
5459 if (unlikely(status
))
5463 p
= xdr_inline_decode(xdr
, 8);
5466 clp
->cl_seqid
= be32_to_cpup(p
++);
5467 session
->flags
= be32_to_cpup(p
);
5469 /* Channel attributes */
5470 status
= decode_chan_attrs(xdr
, &session
->fc_attrs
);
5472 status
= decode_chan_attrs(xdr
, &session
->bc_attrs
);
5475 print_overflow_msg(__func__
, xdr
);
5479 static int decode_destroy_session(struct xdr_stream
*xdr
, void *dummy
)
5481 return decode_op_hdr(xdr
, OP_DESTROY_SESSION
);
5484 static int decode_destroy_clientid(struct xdr_stream
*xdr
, void *dummy
)
5486 return decode_op_hdr(xdr
, OP_DESTROY_CLIENTID
);
5489 static int decode_reclaim_complete(struct xdr_stream
*xdr
, void *dummy
)
5491 return decode_op_hdr(xdr
, OP_RECLAIM_COMPLETE
);
5493 #endif /* CONFIG_NFS_V4_1 */
5495 static int decode_sequence(struct xdr_stream
*xdr
,
5496 struct nfs4_sequence_res
*res
,
5497 struct rpc_rqst
*rqstp
)
5499 #if defined(CONFIG_NFS_V4_1)
5500 struct nfs4_sessionid id
;
5505 if (!res
->sr_session
)
5508 status
= decode_op_hdr(xdr
, OP_SEQUENCE
);
5510 status
= decode_sessionid(xdr
, &id
);
5511 if (unlikely(status
))
5515 * If the server returns different values for sessionID, slotID or
5516 * sequence number, the server is looney tunes.
5518 status
= -EREMOTEIO
;
5520 if (memcmp(id
.data
, res
->sr_session
->sess_id
.data
,
5521 NFS4_MAX_SESSIONID_LEN
)) {
5522 dprintk("%s Invalid session id\n", __func__
);
5526 p
= xdr_inline_decode(xdr
, 20);
5531 dummy
= be32_to_cpup(p
++);
5532 if (dummy
!= res
->sr_slot
->seq_nr
) {
5533 dprintk("%s Invalid sequence number\n", __func__
);
5537 dummy
= be32_to_cpup(p
++);
5538 if (dummy
!= res
->sr_slot
- res
->sr_session
->fc_slot_table
.slots
) {
5539 dprintk("%s Invalid slot id\n", __func__
);
5542 /* highest slot id - currently not processed */
5543 dummy
= be32_to_cpup(p
++);
5544 /* target highest slot id - currently not processed */
5545 dummy
= be32_to_cpup(p
++);
5547 res
->sr_status_flags
= be32_to_cpup(p
);
5550 res
->sr_status
= status
;
5553 print_overflow_msg(__func__
, xdr
);
5556 #else /* CONFIG_NFS_V4_1 */
5558 #endif /* CONFIG_NFS_V4_1 */
5561 #if defined(CONFIG_NFS_V4_1)
5563 * TODO: Need to handle case when EOF != true;
5565 static int decode_getdevicelist(struct xdr_stream
*xdr
,
5566 struct pnfs_devicelist
*res
)
5570 nfs4_verifier verftemp
;
5572 status
= decode_op_hdr(xdr
, OP_GETDEVICELIST
);
5576 p
= xdr_inline_decode(xdr
, 8 + 8 + 4);
5580 /* TODO: Skip cookie for now */
5584 p
= xdr_decode_opaque_fixed(p
, verftemp
.data
, NFS4_VERIFIER_SIZE
);
5586 res
->num_devs
= be32_to_cpup(p
);
5588 dprintk("%s: num_dev %d\n", __func__
, res
->num_devs
);
5590 if (res
->num_devs
> NFS4_PNFS_GETDEVLIST_MAXNUM
) {
5591 printk(KERN_ERR
"NFS: %s too many result dev_num %u\n",
5592 __func__
, res
->num_devs
);
5596 p
= xdr_inline_decode(xdr
,
5597 res
->num_devs
* NFS4_DEVICEID4_SIZE
+ 4);
5600 for (i
= 0; i
< res
->num_devs
; i
++)
5601 p
= xdr_decode_opaque_fixed(p
, res
->dev_id
[i
].data
,
5602 NFS4_DEVICEID4_SIZE
);
5603 res
->eof
= be32_to_cpup(p
);
5606 print_overflow_msg(__func__
, xdr
);
5610 static int decode_getdeviceinfo(struct xdr_stream
*xdr
,
5611 struct pnfs_device
*pdev
)
5617 status
= decode_op_hdr(xdr
, OP_GETDEVICEINFO
);
5619 if (status
== -ETOOSMALL
) {
5620 p
= xdr_inline_decode(xdr
, 4);
5623 pdev
->mincount
= be32_to_cpup(p
);
5624 dprintk("%s: Min count too small. mincnt = %u\n",
5625 __func__
, pdev
->mincount
);
5630 p
= xdr_inline_decode(xdr
, 8);
5633 type
= be32_to_cpup(p
++);
5634 if (type
!= pdev
->layout_type
) {
5635 dprintk("%s: layout mismatch req: %u pdev: %u\n",
5636 __func__
, pdev
->layout_type
, type
);
5640 * Get the length of the opaque device_addr4. xdr_read_pages places
5641 * the opaque device_addr4 in the xdr_buf->pages (pnfs_device->pages)
5642 * and places the remaining xdr data in xdr_buf->tail
5644 pdev
->mincount
= be32_to_cpup(p
);
5645 xdr_read_pages(xdr
, pdev
->mincount
); /* include space for the length */
5647 /* Parse notification bitmap, verifying that it is zero. */
5648 p
= xdr_inline_decode(xdr
, 4);
5651 len
= be32_to_cpup(p
);
5655 p
= xdr_inline_decode(xdr
, 4 * len
);
5658 for (i
= 0; i
< len
; i
++, p
++) {
5659 if (be32_to_cpup(p
)) {
5660 dprintk("%s: notifications not supported\n",
5668 print_overflow_msg(__func__
, xdr
);
5672 static int decode_layoutget(struct xdr_stream
*xdr
, struct rpc_rqst
*req
,
5673 struct nfs4_layoutget_res
*res
)
5680 status
= decode_op_hdr(xdr
, OP_LAYOUTGET
);
5683 p
= xdr_inline_decode(xdr
, 4);
5686 res
->return_on_close
= be32_to_cpup(p
);
5687 decode_stateid(xdr
, &res
->stateid
);
5688 p
= xdr_inline_decode(xdr
, 4);
5691 layout_count
= be32_to_cpup(p
);
5692 if (!layout_count
) {
5693 dprintk("%s: server responded with empty layout array\n",
5698 p
= xdr_inline_decode(xdr
, 28);
5701 p
= xdr_decode_hyper(p
, &res
->range
.offset
);
5702 p
= xdr_decode_hyper(p
, &res
->range
.length
);
5703 res
->range
.iomode
= be32_to_cpup(p
++);
5704 res
->type
= be32_to_cpup(p
++);
5705 res
->layoutp
->len
= be32_to_cpup(p
);
5707 dprintk("%s roff:%lu rlen:%lu riomode:%d, lo_type:0x%x, lo.len:%d\n",
5709 (unsigned long)res
->range
.offset
,
5710 (unsigned long)res
->range
.length
,
5715 recvd
= xdr_read_pages(xdr
, res
->layoutp
->len
);
5716 if (res
->layoutp
->len
> recvd
) {
5717 dprintk("NFS: server cheating in layoutget reply: "
5718 "layout len %u > recvd %u\n",
5719 res
->layoutp
->len
, recvd
);
5723 if (layout_count
> 1) {
5724 /* We only handle a length one array at the moment. Any
5725 * further entries are just ignored. Note that this means
5726 * the client may see a response that is less than the
5727 * minimum it requested.
5729 dprintk("%s: server responded with %d layouts, dropping tail\n",
5730 __func__
, layout_count
);
5735 print_overflow_msg(__func__
, xdr
);
5739 static int decode_layoutreturn(struct xdr_stream
*xdr
,
5740 struct nfs4_layoutreturn_res
*res
)
5745 status
= decode_op_hdr(xdr
, OP_LAYOUTRETURN
);
5748 p
= xdr_inline_decode(xdr
, 4);
5751 res
->lrs_present
= be32_to_cpup(p
);
5752 if (res
->lrs_present
)
5753 status
= decode_stateid(xdr
, &res
->stateid
);
5756 print_overflow_msg(__func__
, xdr
);
5760 static int decode_layoutcommit(struct xdr_stream
*xdr
,
5761 struct rpc_rqst
*req
,
5762 struct nfs4_layoutcommit_res
*res
)
5768 status
= decode_op_hdr(xdr
, OP_LAYOUTCOMMIT
);
5769 res
->status
= status
;
5773 p
= xdr_inline_decode(xdr
, 4);
5776 sizechanged
= be32_to_cpup(p
);
5779 /* throw away new size */
5780 p
= xdr_inline_decode(xdr
, 8);
5786 print_overflow_msg(__func__
, xdr
);
5790 static int decode_test_stateid(struct xdr_stream
*xdr
,
5791 struct nfs41_test_stateid_res
*res
)
5797 status
= decode_op_hdr(xdr
, OP_TEST_STATEID
);
5801 p
= xdr_inline_decode(xdr
, 4);
5804 num_res
= be32_to_cpup(p
++);
5808 p
= xdr_inline_decode(xdr
, 4);
5811 res
->status
= be32_to_cpup(p
++);
5815 print_overflow_msg(__func__
, xdr
);
5820 static int decode_free_stateid(struct xdr_stream
*xdr
,
5821 struct nfs41_free_stateid_res
*res
)
5826 status
= decode_op_hdr(xdr
, OP_FREE_STATEID
);
5830 p
= xdr_inline_decode(xdr
, 4);
5833 res
->status
= be32_to_cpup(p
++);
5836 print_overflow_msg(__func__
, xdr
);
5839 #endif /* CONFIG_NFS_V4_1 */
5842 * END OF "GENERIC" DECODE ROUTINES.
5846 * Decode OPEN_DOWNGRADE response
5848 static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst
*rqstp
,
5849 struct xdr_stream
*xdr
,
5850 struct nfs_closeres
*res
)
5852 struct compound_hdr hdr
;
5855 status
= decode_compound_hdr(xdr
, &hdr
);
5858 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
5861 status
= decode_putfh(xdr
);
5864 status
= decode_open_downgrade(xdr
, res
);
5867 decode_getfattr(xdr
, res
->fattr
, res
->server
);
5873 * Decode ACCESS response
5875 static int nfs4_xdr_dec_access(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
5876 struct nfs4_accessres
*res
)
5878 struct compound_hdr hdr
;
5881 status
= decode_compound_hdr(xdr
, &hdr
);
5884 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
5887 status
= decode_putfh(xdr
);
5890 status
= decode_access(xdr
, res
);
5893 decode_getfattr(xdr
, res
->fattr
, res
->server
);
5899 * Decode LOOKUP response
5901 static int nfs4_xdr_dec_lookup(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
5902 struct nfs4_lookup_res
*res
)
5904 struct compound_hdr hdr
;
5907 status
= decode_compound_hdr(xdr
, &hdr
);
5910 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
5913 status
= decode_putfh(xdr
);
5916 status
= decode_lookup(xdr
);
5919 status
= decode_getfh(xdr
, res
->fh
);
5922 status
= decode_getfattr(xdr
, res
->fattr
, res
->server
);
5928 * Decode LOOKUP_ROOT response
5930 static int nfs4_xdr_dec_lookup_root(struct rpc_rqst
*rqstp
,
5931 struct xdr_stream
*xdr
,
5932 struct nfs4_lookup_res
*res
)
5934 struct compound_hdr hdr
;
5937 status
= decode_compound_hdr(xdr
, &hdr
);
5940 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
5943 status
= decode_putrootfh(xdr
);
5946 status
= decode_getfh(xdr
, res
->fh
);
5948 status
= decode_getfattr(xdr
, res
->fattr
, res
->server
);
5954 * Decode REMOVE response
5956 static int nfs4_xdr_dec_remove(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
5957 struct nfs_removeres
*res
)
5959 struct compound_hdr hdr
;
5962 status
= decode_compound_hdr(xdr
, &hdr
);
5965 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
5968 status
= decode_putfh(xdr
);
5971 status
= decode_remove(xdr
, &res
->cinfo
);
5977 * Decode RENAME response
5979 static int nfs4_xdr_dec_rename(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
5980 struct nfs_renameres
*res
)
5982 struct compound_hdr hdr
;
5985 status
= decode_compound_hdr(xdr
, &hdr
);
5988 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
5991 status
= decode_putfh(xdr
);
5994 status
= decode_savefh(xdr
);
5997 status
= decode_putfh(xdr
);
6000 status
= decode_rename(xdr
, &res
->old_cinfo
, &res
->new_cinfo
);
6006 * Decode LINK response
6008 static int nfs4_xdr_dec_link(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6009 struct nfs4_link_res
*res
)
6011 struct compound_hdr hdr
;
6014 status
= decode_compound_hdr(xdr
, &hdr
);
6017 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6020 status
= decode_putfh(xdr
);
6023 status
= decode_savefh(xdr
);
6026 status
= decode_putfh(xdr
);
6029 status
= decode_link(xdr
, &res
->cinfo
);
6033 * Note order: OP_LINK leaves the directory as the current
6036 status
= decode_restorefh(xdr
);
6039 decode_getfattr(xdr
, res
->fattr
, res
->server
);
6045 * Decode CREATE response
6047 static int nfs4_xdr_dec_create(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6048 struct nfs4_create_res
*res
)
6050 struct compound_hdr hdr
;
6053 status
= decode_compound_hdr(xdr
, &hdr
);
6056 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6059 status
= decode_putfh(xdr
);
6062 status
= decode_create(xdr
, &res
->dir_cinfo
);
6065 status
= decode_getfh(xdr
, res
->fh
);
6068 decode_getfattr(xdr
, res
->fattr
, res
->server
);
6074 * Decode SYMLINK response
6076 static int nfs4_xdr_dec_symlink(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6077 struct nfs4_create_res
*res
)
6079 return nfs4_xdr_dec_create(rqstp
, xdr
, res
);
6083 * Decode GETATTR response
6085 static int nfs4_xdr_dec_getattr(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6086 struct nfs4_getattr_res
*res
)
6088 struct compound_hdr hdr
;
6091 status
= decode_compound_hdr(xdr
, &hdr
);
6094 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6097 status
= decode_putfh(xdr
);
6100 status
= decode_getfattr(xdr
, res
->fattr
, res
->server
);
6106 * Encode an SETACL request
6108 static void nfs4_xdr_enc_setacl(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
6109 struct nfs_setaclargs
*args
)
6111 struct compound_hdr hdr
= {
6112 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
6115 encode_compound_hdr(xdr
, req
, &hdr
);
6116 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
6117 encode_putfh(xdr
, args
->fh
, &hdr
);
6118 encode_setacl(xdr
, args
, &hdr
);
6123 * Decode SETACL response
6126 nfs4_xdr_dec_setacl(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6127 struct nfs_setaclres
*res
)
6129 struct compound_hdr hdr
;
6132 status
= decode_compound_hdr(xdr
, &hdr
);
6135 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6138 status
= decode_putfh(xdr
);
6141 status
= decode_setattr(xdr
);
6147 * Decode GETACL response
6150 nfs4_xdr_dec_getacl(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6151 struct nfs_getaclres
*res
)
6153 struct compound_hdr hdr
;
6156 if (res
->acl_scratch
!= NULL
) {
6157 void *p
= page_address(res
->acl_scratch
);
6158 xdr_set_scratch_buffer(xdr
, p
, PAGE_SIZE
);
6160 status
= decode_compound_hdr(xdr
, &hdr
);
6163 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6166 status
= decode_putfh(xdr
);
6169 status
= decode_getacl(xdr
, rqstp
, res
);
6176 * Decode CLOSE response
6178 static int nfs4_xdr_dec_close(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6179 struct nfs_closeres
*res
)
6181 struct compound_hdr hdr
;
6184 status
= decode_compound_hdr(xdr
, &hdr
);
6187 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6190 status
= decode_putfh(xdr
);
6193 status
= decode_close(xdr
, res
);
6197 * Note: Server may do delete on close for this file
6198 * in which case the getattr call will fail with
6199 * an ESTALE error. Shouldn't be a problem,
6200 * though, since fattr->valid will remain unset.
6202 decode_getfattr(xdr
, res
->fattr
, res
->server
);
6208 * Decode OPEN response
6210 static int nfs4_xdr_dec_open(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6211 struct nfs_openres
*res
)
6213 struct compound_hdr hdr
;
6216 status
= decode_compound_hdr(xdr
, &hdr
);
6219 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6222 status
= decode_putfh(xdr
);
6225 status
= decode_open(xdr
, res
);
6228 status
= decode_getfh(xdr
, &res
->fh
);
6231 decode_getfattr(xdr
, res
->f_attr
, res
->server
);
6237 * Decode OPEN_CONFIRM response
6239 static int nfs4_xdr_dec_open_confirm(struct rpc_rqst
*rqstp
,
6240 struct xdr_stream
*xdr
,
6241 struct nfs_open_confirmres
*res
)
6243 struct compound_hdr hdr
;
6246 status
= decode_compound_hdr(xdr
, &hdr
);
6249 status
= decode_putfh(xdr
);
6252 status
= decode_open_confirm(xdr
, res
);
6258 * Decode OPEN response
6260 static int nfs4_xdr_dec_open_noattr(struct rpc_rqst
*rqstp
,
6261 struct xdr_stream
*xdr
,
6262 struct nfs_openres
*res
)
6264 struct compound_hdr hdr
;
6267 status
= decode_compound_hdr(xdr
, &hdr
);
6270 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6273 status
= decode_putfh(xdr
);
6276 status
= decode_open(xdr
, res
);
6279 decode_getfattr(xdr
, res
->f_attr
, res
->server
);
6285 * Decode SETATTR response
6287 static int nfs4_xdr_dec_setattr(struct rpc_rqst
*rqstp
,
6288 struct xdr_stream
*xdr
,
6289 struct nfs_setattrres
*res
)
6291 struct compound_hdr hdr
;
6294 status
= decode_compound_hdr(xdr
, &hdr
);
6297 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6300 status
= decode_putfh(xdr
);
6303 status
= decode_setattr(xdr
);
6306 decode_getfattr(xdr
, res
->fattr
, res
->server
);
6312 * Decode LOCK response
6314 static int nfs4_xdr_dec_lock(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6315 struct nfs_lock_res
*res
)
6317 struct compound_hdr hdr
;
6320 status
= decode_compound_hdr(xdr
, &hdr
);
6323 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6326 status
= decode_putfh(xdr
);
6329 status
= decode_lock(xdr
, res
);
6335 * Decode LOCKT response
6337 static int nfs4_xdr_dec_lockt(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6338 struct nfs_lockt_res
*res
)
6340 struct compound_hdr hdr
;
6343 status
= decode_compound_hdr(xdr
, &hdr
);
6346 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6349 status
= decode_putfh(xdr
);
6352 status
= decode_lockt(xdr
, res
);
6358 * Decode LOCKU response
6360 static int nfs4_xdr_dec_locku(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6361 struct nfs_locku_res
*res
)
6363 struct compound_hdr hdr
;
6366 status
= decode_compound_hdr(xdr
, &hdr
);
6369 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6372 status
= decode_putfh(xdr
);
6375 status
= decode_locku(xdr
, res
);
6380 static int nfs4_xdr_dec_release_lockowner(struct rpc_rqst
*rqstp
,
6381 struct xdr_stream
*xdr
, void *dummy
)
6383 struct compound_hdr hdr
;
6386 status
= decode_compound_hdr(xdr
, &hdr
);
6388 status
= decode_release_lockowner(xdr
);
6393 * Decode READLINK response
6395 static int nfs4_xdr_dec_readlink(struct rpc_rqst
*rqstp
,
6396 struct xdr_stream
*xdr
,
6397 struct nfs4_readlink_res
*res
)
6399 struct compound_hdr hdr
;
6402 status
= decode_compound_hdr(xdr
, &hdr
);
6405 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6408 status
= decode_putfh(xdr
);
6411 status
= decode_readlink(xdr
, rqstp
);
6417 * Decode READDIR response
6419 static int nfs4_xdr_dec_readdir(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6420 struct nfs4_readdir_res
*res
)
6422 struct compound_hdr hdr
;
6425 status
= decode_compound_hdr(xdr
, &hdr
);
6428 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6431 status
= decode_putfh(xdr
);
6434 status
= decode_readdir(xdr
, rqstp
, res
);
6440 * Decode Read response
6442 static int nfs4_xdr_dec_read(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6443 struct nfs_readres
*res
)
6445 struct compound_hdr hdr
;
6448 status
= decode_compound_hdr(xdr
, &hdr
);
6451 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6454 status
= decode_putfh(xdr
);
6457 status
= decode_read(xdr
, rqstp
, res
);
6459 status
= res
->count
;
6465 * Decode WRITE response
6467 static int nfs4_xdr_dec_write(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6468 struct nfs_writeres
*res
)
6470 struct compound_hdr hdr
;
6473 status
= decode_compound_hdr(xdr
, &hdr
);
6476 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6479 status
= decode_putfh(xdr
);
6482 status
= decode_write(xdr
, res
);
6486 decode_getfattr(xdr
, res
->fattr
, res
->server
);
6488 status
= res
->count
;
6494 * Decode COMMIT response
6496 static int nfs4_xdr_dec_commit(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6497 struct nfs_commitres
*res
)
6499 struct compound_hdr hdr
;
6502 status
= decode_compound_hdr(xdr
, &hdr
);
6505 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6508 status
= decode_putfh(xdr
);
6511 status
= decode_commit(xdr
, res
);
6517 * Decode FSINFO response
6519 static int nfs4_xdr_dec_fsinfo(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
6520 struct nfs4_fsinfo_res
*res
)
6522 struct compound_hdr hdr
;
6525 status
= decode_compound_hdr(xdr
, &hdr
);
6527 status
= decode_sequence(xdr
, &res
->seq_res
, req
);
6529 status
= decode_putfh(xdr
);
6531 status
= decode_fsinfo(xdr
, res
->fsinfo
);
6536 * Decode PATHCONF response
6538 static int nfs4_xdr_dec_pathconf(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
6539 struct nfs4_pathconf_res
*res
)
6541 struct compound_hdr hdr
;
6544 status
= decode_compound_hdr(xdr
, &hdr
);
6546 status
= decode_sequence(xdr
, &res
->seq_res
, req
);
6548 status
= decode_putfh(xdr
);
6550 status
= decode_pathconf(xdr
, res
->pathconf
);
6555 * Decode STATFS response
6557 static int nfs4_xdr_dec_statfs(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
6558 struct nfs4_statfs_res
*res
)
6560 struct compound_hdr hdr
;
6563 status
= decode_compound_hdr(xdr
, &hdr
);
6565 status
= decode_sequence(xdr
, &res
->seq_res
, req
);
6567 status
= decode_putfh(xdr
);
6569 status
= decode_statfs(xdr
, res
->fsstat
);
6574 * Decode GETATTR_BITMAP response
6576 static int nfs4_xdr_dec_server_caps(struct rpc_rqst
*req
,
6577 struct xdr_stream
*xdr
,
6578 struct nfs4_server_caps_res
*res
)
6580 struct compound_hdr hdr
;
6583 status
= decode_compound_hdr(xdr
, &hdr
);
6586 status
= decode_sequence(xdr
, &res
->seq_res
, req
);
6589 status
= decode_putfh(xdr
);
6592 status
= decode_server_caps(xdr
, res
);
6598 * Decode RENEW response
6600 static int nfs4_xdr_dec_renew(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6603 struct compound_hdr hdr
;
6606 status
= decode_compound_hdr(xdr
, &hdr
);
6608 status
= decode_renew(xdr
);
6613 * Decode SETCLIENTID response
6615 static int nfs4_xdr_dec_setclientid(struct rpc_rqst
*req
,
6616 struct xdr_stream
*xdr
,
6617 struct nfs4_setclientid_res
*res
)
6619 struct compound_hdr hdr
;
6622 status
= decode_compound_hdr(xdr
, &hdr
);
6624 status
= decode_setclientid(xdr
, res
);
6629 * Decode SETCLIENTID_CONFIRM response
6631 static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst
*req
,
6632 struct xdr_stream
*xdr
,
6633 struct nfs_fsinfo
*fsinfo
)
6635 struct compound_hdr hdr
;
6638 status
= decode_compound_hdr(xdr
, &hdr
);
6640 status
= decode_setclientid_confirm(xdr
);
6642 status
= decode_putrootfh(xdr
);
6644 status
= decode_fsinfo(xdr
, fsinfo
);
6649 * Decode DELEGRETURN response
6651 static int nfs4_xdr_dec_delegreturn(struct rpc_rqst
*rqstp
,
6652 struct xdr_stream
*xdr
,
6653 struct nfs4_delegreturnres
*res
)
6655 struct compound_hdr hdr
;
6658 status
= decode_compound_hdr(xdr
, &hdr
);
6661 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6664 status
= decode_putfh(xdr
);
6667 status
= decode_getfattr(xdr
, res
->fattr
, res
->server
);
6670 status
= decode_delegreturn(xdr
);
6676 * Decode FS_LOCATIONS response
6678 static int nfs4_xdr_dec_fs_locations(struct rpc_rqst
*req
,
6679 struct xdr_stream
*xdr
,
6680 struct nfs4_fs_locations_res
*res
)
6682 struct compound_hdr hdr
;
6685 status
= decode_compound_hdr(xdr
, &hdr
);
6688 status
= decode_sequence(xdr
, &res
->seq_res
, req
);
6691 status
= decode_putfh(xdr
);
6694 status
= decode_lookup(xdr
);
6697 xdr_enter_page(xdr
, PAGE_SIZE
);
6698 status
= decode_getfattr_generic(xdr
, &res
->fs_locations
->fattr
,
6699 NULL
, res
->fs_locations
,
6700 res
->fs_locations
->server
);
6706 * Decode SECINFO response
6708 static int nfs4_xdr_dec_secinfo(struct rpc_rqst
*rqstp
,
6709 struct xdr_stream
*xdr
,
6710 struct nfs4_secinfo_res
*res
)
6712 struct compound_hdr hdr
;
6715 status
= decode_compound_hdr(xdr
, &hdr
);
6718 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6721 status
= decode_putfh(xdr
);
6724 status
= decode_secinfo(xdr
, res
);
6729 #if defined(CONFIG_NFS_V4_1)
6731 * Decode BIND_CONN_TO_SESSION response
6733 static int nfs4_xdr_dec_bind_conn_to_session(struct rpc_rqst
*rqstp
,
6734 struct xdr_stream
*xdr
,
6737 struct compound_hdr hdr
;
6740 status
= decode_compound_hdr(xdr
, &hdr
);
6742 status
= decode_bind_conn_to_session(xdr
, res
);
6747 * Decode EXCHANGE_ID response
6749 static int nfs4_xdr_dec_exchange_id(struct rpc_rqst
*rqstp
,
6750 struct xdr_stream
*xdr
,
6753 struct compound_hdr hdr
;
6756 status
= decode_compound_hdr(xdr
, &hdr
);
6758 status
= decode_exchange_id(xdr
, res
);
6763 * Decode CREATE_SESSION response
6765 static int nfs4_xdr_dec_create_session(struct rpc_rqst
*rqstp
,
6766 struct xdr_stream
*xdr
,
6767 struct nfs41_create_session_res
*res
)
6769 struct compound_hdr hdr
;
6772 status
= decode_compound_hdr(xdr
, &hdr
);
6774 status
= decode_create_session(xdr
, res
);
6779 * Decode DESTROY_SESSION response
6781 static int nfs4_xdr_dec_destroy_session(struct rpc_rqst
*rqstp
,
6782 struct xdr_stream
*xdr
,
6785 struct compound_hdr hdr
;
6788 status
= decode_compound_hdr(xdr
, &hdr
);
6790 status
= decode_destroy_session(xdr
, res
);
6795 * Decode DESTROY_CLIENTID response
6797 static int nfs4_xdr_dec_destroy_clientid(struct rpc_rqst
*rqstp
,
6798 struct xdr_stream
*xdr
,
6801 struct compound_hdr hdr
;
6804 status
= decode_compound_hdr(xdr
, &hdr
);
6806 status
= decode_destroy_clientid(xdr
, res
);
6811 * Decode SEQUENCE response
6813 static int nfs4_xdr_dec_sequence(struct rpc_rqst
*rqstp
,
6814 struct xdr_stream
*xdr
,
6815 struct nfs4_sequence_res
*res
)
6817 struct compound_hdr hdr
;
6820 status
= decode_compound_hdr(xdr
, &hdr
);
6822 status
= decode_sequence(xdr
, res
, rqstp
);
6827 * Decode GET_LEASE_TIME response
6829 static int nfs4_xdr_dec_get_lease_time(struct rpc_rqst
*rqstp
,
6830 struct xdr_stream
*xdr
,
6831 struct nfs4_get_lease_time_res
*res
)
6833 struct compound_hdr hdr
;
6836 status
= decode_compound_hdr(xdr
, &hdr
);
6838 status
= decode_sequence(xdr
, &res
->lr_seq_res
, rqstp
);
6840 status
= decode_putrootfh(xdr
);
6842 status
= decode_fsinfo(xdr
, res
->lr_fsinfo
);
6847 * Decode RECLAIM_COMPLETE response
6849 static int nfs4_xdr_dec_reclaim_complete(struct rpc_rqst
*rqstp
,
6850 struct xdr_stream
*xdr
,
6851 struct nfs41_reclaim_complete_res
*res
)
6853 struct compound_hdr hdr
;
6856 status
= decode_compound_hdr(xdr
, &hdr
);
6858 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6860 status
= decode_reclaim_complete(xdr
, (void *)NULL
);
6865 * Decode GETDEVICELIST response
6867 static int nfs4_xdr_dec_getdevicelist(struct rpc_rqst
*rqstp
,
6868 struct xdr_stream
*xdr
,
6869 struct nfs4_getdevicelist_res
*res
)
6871 struct compound_hdr hdr
;
6874 dprintk("encoding getdevicelist!\n");
6876 status
= decode_compound_hdr(xdr
, &hdr
);
6879 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6882 status
= decode_putfh(xdr
);
6885 status
= decode_getdevicelist(xdr
, res
->devlist
);
6891 * Decode GETDEVINFO response
6893 static int nfs4_xdr_dec_getdeviceinfo(struct rpc_rqst
*rqstp
,
6894 struct xdr_stream
*xdr
,
6895 struct nfs4_getdeviceinfo_res
*res
)
6897 struct compound_hdr hdr
;
6900 status
= decode_compound_hdr(xdr
, &hdr
);
6903 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6906 status
= decode_getdeviceinfo(xdr
, res
->pdev
);
6912 * Decode LAYOUTGET response
6914 static int nfs4_xdr_dec_layoutget(struct rpc_rqst
*rqstp
,
6915 struct xdr_stream
*xdr
,
6916 struct nfs4_layoutget_res
*res
)
6918 struct compound_hdr hdr
;
6921 status
= decode_compound_hdr(xdr
, &hdr
);
6924 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6927 status
= decode_putfh(xdr
);
6930 status
= decode_layoutget(xdr
, rqstp
, res
);
6936 * Decode LAYOUTRETURN response
6938 static int nfs4_xdr_dec_layoutreturn(struct rpc_rqst
*rqstp
,
6939 struct xdr_stream
*xdr
,
6940 struct nfs4_layoutreturn_res
*res
)
6942 struct compound_hdr hdr
;
6945 status
= decode_compound_hdr(xdr
, &hdr
);
6948 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6951 status
= decode_putfh(xdr
);
6954 status
= decode_layoutreturn(xdr
, res
);
6960 * Decode LAYOUTCOMMIT response
6962 static int nfs4_xdr_dec_layoutcommit(struct rpc_rqst
*rqstp
,
6963 struct xdr_stream
*xdr
,
6964 struct nfs4_layoutcommit_res
*res
)
6966 struct compound_hdr hdr
;
6969 status
= decode_compound_hdr(xdr
, &hdr
);
6972 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6975 status
= decode_putfh(xdr
);
6978 status
= decode_layoutcommit(xdr
, rqstp
, res
);
6981 decode_getfattr(xdr
, res
->fattr
, res
->server
);
6987 * Decode SECINFO_NO_NAME response
6989 static int nfs4_xdr_dec_secinfo_no_name(struct rpc_rqst
*rqstp
,
6990 struct xdr_stream
*xdr
,
6991 struct nfs4_secinfo_res
*res
)
6993 struct compound_hdr hdr
;
6996 status
= decode_compound_hdr(xdr
, &hdr
);
6999 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
7002 status
= decode_putrootfh(xdr
);
7005 status
= decode_secinfo_no_name(xdr
, res
);
7011 * Decode TEST_STATEID response
7013 static int nfs4_xdr_dec_test_stateid(struct rpc_rqst
*rqstp
,
7014 struct xdr_stream
*xdr
,
7015 struct nfs41_test_stateid_res
*res
)
7017 struct compound_hdr hdr
;
7020 status
= decode_compound_hdr(xdr
, &hdr
);
7023 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
7026 status
= decode_test_stateid(xdr
, res
);
7032 * Decode FREE_STATEID response
7034 static int nfs4_xdr_dec_free_stateid(struct rpc_rqst
*rqstp
,
7035 struct xdr_stream
*xdr
,
7036 struct nfs41_free_stateid_res
*res
)
7038 struct compound_hdr hdr
;
7041 status
= decode_compound_hdr(xdr
, &hdr
);
7044 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
7047 status
= decode_free_stateid(xdr
, res
);
7051 #endif /* CONFIG_NFS_V4_1 */
7054 * nfs4_decode_dirent - Decode a single NFSv4 directory entry stored in
7055 * the local page cache.
7056 * @xdr: XDR stream where entry resides
7057 * @entry: buffer to fill in with entry data
7058 * @plus: boolean indicating whether this should be a readdirplus entry
7060 * Returns zero if successful, otherwise a negative errno value is
7063 * This function is not invoked during READDIR reply decoding, but
7064 * rather whenever an application invokes the getdents(2) system call
7065 * on a directory already in our cache.
7067 int nfs4_decode_dirent(struct xdr_stream
*xdr
, struct nfs_entry
*entry
,
7071 uint32_t bitmap
[3] = {0};
7073 __be32
*p
= xdr_inline_decode(xdr
, 4);
7076 if (*p
== xdr_zero
) {
7077 p
= xdr_inline_decode(xdr
, 4);
7086 p
= xdr_inline_decode(xdr
, 12);
7089 entry
->prev_cookie
= entry
->cookie
;
7090 p
= xdr_decode_hyper(p
, &entry
->cookie
);
7091 entry
->len
= be32_to_cpup(p
);
7093 p
= xdr_inline_decode(xdr
, entry
->len
);
7096 entry
->name
= (const char *) p
;
7099 * In case the server doesn't return an inode number,
7100 * we fake one here. (We don't use inode number 0,
7101 * since glibc seems to choke on it...)
7104 entry
->fattr
->valid
= 0;
7106 if (decode_attr_bitmap(xdr
, bitmap
) < 0)
7109 if (decode_attr_length(xdr
, &len
, &savep
) < 0)
7112 if (decode_getfattr_attrs(xdr
, bitmap
, entry
->fattr
, entry
->fh
,
7113 NULL
, entry
->server
) < 0)
7115 if (entry
->fattr
->valid
& NFS_ATTR_FATTR_MOUNTED_ON_FILEID
)
7116 entry
->ino
= entry
->fattr
->mounted_on_fileid
;
7117 else if (entry
->fattr
->valid
& NFS_ATTR_FATTR_FILEID
)
7118 entry
->ino
= entry
->fattr
->fileid
;
7120 entry
->d_type
= DT_UNKNOWN
;
7121 if (entry
->fattr
->valid
& NFS_ATTR_FATTR_TYPE
)
7122 entry
->d_type
= nfs_umode_to_dtype(entry
->fattr
->mode
);
7127 print_overflow_msg(__func__
, xdr
);
7132 * We need to translate between nfs status return values and
7133 * the local errno values which may not be the same.
7140 { NFS4ERR_PERM
, -EPERM
},
7141 { NFS4ERR_NOENT
, -ENOENT
},
7142 { NFS4ERR_IO
, -errno_NFSERR_IO
},
7143 { NFS4ERR_NXIO
, -ENXIO
},
7144 { NFS4ERR_ACCESS
, -EACCES
},
7145 { NFS4ERR_EXIST
, -EEXIST
},
7146 { NFS4ERR_XDEV
, -EXDEV
},
7147 { NFS4ERR_NOTDIR
, -ENOTDIR
},
7148 { NFS4ERR_ISDIR
, -EISDIR
},
7149 { NFS4ERR_INVAL
, -EINVAL
},
7150 { NFS4ERR_FBIG
, -EFBIG
},
7151 { NFS4ERR_NOSPC
, -ENOSPC
},
7152 { NFS4ERR_ROFS
, -EROFS
},
7153 { NFS4ERR_MLINK
, -EMLINK
},
7154 { NFS4ERR_NAMETOOLONG
, -ENAMETOOLONG
},
7155 { NFS4ERR_NOTEMPTY
, -ENOTEMPTY
},
7156 { NFS4ERR_DQUOT
, -EDQUOT
},
7157 { NFS4ERR_STALE
, -ESTALE
},
7158 { NFS4ERR_BADHANDLE
, -EBADHANDLE
},
7159 { NFS4ERR_BAD_COOKIE
, -EBADCOOKIE
},
7160 { NFS4ERR_NOTSUPP
, -ENOTSUPP
},
7161 { NFS4ERR_TOOSMALL
, -ETOOSMALL
},
7162 { NFS4ERR_SERVERFAULT
, -EREMOTEIO
},
7163 { NFS4ERR_BADTYPE
, -EBADTYPE
},
7164 { NFS4ERR_LOCKED
, -EAGAIN
},
7165 { NFS4ERR_SYMLINK
, -ELOOP
},
7166 { NFS4ERR_OP_ILLEGAL
, -EOPNOTSUPP
},
7167 { NFS4ERR_DEADLOCK
, -EDEADLK
},
7172 * Convert an NFS error code to a local one.
7173 * This one is used jointly by NFSv2 and NFSv3.
7176 nfs4_stat_to_errno(int stat
)
7179 for (i
= 0; nfs_errtbl
[i
].stat
!= -1; i
++) {
7180 if (nfs_errtbl
[i
].stat
== stat
)
7181 return nfs_errtbl
[i
].errno
;
7183 if (stat
<= 10000 || stat
> 10100) {
7184 /* The server is looney tunes. */
7187 /* If we cannot translate the error, the recovery routines should
7189 * Note: remaining NFSv4 error codes have values > 10000, so should
7190 * not conflict with native Linux error codes.
7195 #define PROC(proc, argtype, restype) \
7196 [NFSPROC4_CLNT_##proc] = { \
7197 .p_proc = NFSPROC4_COMPOUND, \
7198 .p_encode = (kxdreproc_t)nfs4_xdr_##argtype, \
7199 .p_decode = (kxdrdproc_t)nfs4_xdr_##restype, \
7200 .p_arglen = NFS4_##argtype##_sz, \
7201 .p_replen = NFS4_##restype##_sz, \
7202 .p_statidx = NFSPROC4_CLNT_##proc, \
7206 struct rpc_procinfo nfs4_procedures
[] = {
7207 PROC(READ
, enc_read
, dec_read
),
7208 PROC(WRITE
, enc_write
, dec_write
),
7209 PROC(COMMIT
, enc_commit
, dec_commit
),
7210 PROC(OPEN
, enc_open
, dec_open
),
7211 PROC(OPEN_CONFIRM
, enc_open_confirm
, dec_open_confirm
),
7212 PROC(OPEN_NOATTR
, enc_open_noattr
, dec_open_noattr
),
7213 PROC(OPEN_DOWNGRADE
, enc_open_downgrade
, dec_open_downgrade
),
7214 PROC(CLOSE
, enc_close
, dec_close
),
7215 PROC(SETATTR
, enc_setattr
, dec_setattr
),
7216 PROC(FSINFO
, enc_fsinfo
, dec_fsinfo
),
7217 PROC(RENEW
, enc_renew
, dec_renew
),
7218 PROC(SETCLIENTID
, enc_setclientid
, dec_setclientid
),
7219 PROC(SETCLIENTID_CONFIRM
, enc_setclientid_confirm
, dec_setclientid_confirm
),
7220 PROC(LOCK
, enc_lock
, dec_lock
),
7221 PROC(LOCKT
, enc_lockt
, dec_lockt
),
7222 PROC(LOCKU
, enc_locku
, dec_locku
),
7223 PROC(ACCESS
, enc_access
, dec_access
),
7224 PROC(GETATTR
, enc_getattr
, dec_getattr
),
7225 PROC(LOOKUP
, enc_lookup
, dec_lookup
),
7226 PROC(LOOKUP_ROOT
, enc_lookup_root
, dec_lookup_root
),
7227 PROC(REMOVE
, enc_remove
, dec_remove
),
7228 PROC(RENAME
, enc_rename
, dec_rename
),
7229 PROC(LINK
, enc_link
, dec_link
),
7230 PROC(SYMLINK
, enc_symlink
, dec_symlink
),
7231 PROC(CREATE
, enc_create
, dec_create
),
7232 PROC(PATHCONF
, enc_pathconf
, dec_pathconf
),
7233 PROC(STATFS
, enc_statfs
, dec_statfs
),
7234 PROC(READLINK
, enc_readlink
, dec_readlink
),
7235 PROC(READDIR
, enc_readdir
, dec_readdir
),
7236 PROC(SERVER_CAPS
, enc_server_caps
, dec_server_caps
),
7237 PROC(DELEGRETURN
, enc_delegreturn
, dec_delegreturn
),
7238 PROC(GETACL
, enc_getacl
, dec_getacl
),
7239 PROC(SETACL
, enc_setacl
, dec_setacl
),
7240 PROC(FS_LOCATIONS
, enc_fs_locations
, dec_fs_locations
),
7241 PROC(RELEASE_LOCKOWNER
, enc_release_lockowner
, dec_release_lockowner
),
7242 PROC(SECINFO
, enc_secinfo
, dec_secinfo
),
7243 #if defined(CONFIG_NFS_V4_1)
7244 PROC(EXCHANGE_ID
, enc_exchange_id
, dec_exchange_id
),
7245 PROC(CREATE_SESSION
, enc_create_session
, dec_create_session
),
7246 PROC(DESTROY_SESSION
, enc_destroy_session
, dec_destroy_session
),
7247 PROC(SEQUENCE
, enc_sequence
, dec_sequence
),
7248 PROC(GET_LEASE_TIME
, enc_get_lease_time
, dec_get_lease_time
),
7249 PROC(RECLAIM_COMPLETE
, enc_reclaim_complete
, dec_reclaim_complete
),
7250 PROC(GETDEVICEINFO
, enc_getdeviceinfo
, dec_getdeviceinfo
),
7251 PROC(LAYOUTGET
, enc_layoutget
, dec_layoutget
),
7252 PROC(LAYOUTCOMMIT
, enc_layoutcommit
, dec_layoutcommit
),
7253 PROC(LAYOUTRETURN
, enc_layoutreturn
, dec_layoutreturn
),
7254 PROC(SECINFO_NO_NAME
, enc_secinfo_no_name
, dec_secinfo_no_name
),
7255 PROC(TEST_STATEID
, enc_test_stateid
, dec_test_stateid
),
7256 PROC(FREE_STATEID
, enc_free_stateid
, dec_free_stateid
),
7257 PROC(GETDEVICELIST
, enc_getdevicelist
, dec_getdevicelist
),
7258 PROC(BIND_CONN_TO_SESSION
,
7259 enc_bind_conn_to_session
, dec_bind_conn_to_session
),
7260 PROC(DESTROY_CLIENTID
, enc_destroy_clientid
, dec_destroy_clientid
),
7261 #endif /* CONFIG_NFS_V4_1 */
7264 const struct rpc_version nfs_version4
= {
7266 .nrprocs
= ARRAY_SIZE(nfs4_procedures
),
7267 .procs
= nfs4_procedures