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_access_maxsz + \
451 encode_getfh_maxsz + \
452 encode_getattr_maxsz)
453 #define NFS4_dec_open_sz (compound_decode_hdr_maxsz + \
454 decode_sequence_maxsz + \
455 decode_putfh_maxsz + \
456 decode_open_maxsz + \
457 decode_access_maxsz + \
458 decode_getfh_maxsz + \
459 decode_getattr_maxsz)
460 #define NFS4_enc_open_confirm_sz \
461 (compound_encode_hdr_maxsz + \
462 encode_putfh_maxsz + \
463 encode_open_confirm_maxsz)
464 #define NFS4_dec_open_confirm_sz \
465 (compound_decode_hdr_maxsz + \
466 decode_putfh_maxsz + \
467 decode_open_confirm_maxsz)
468 #define NFS4_enc_open_noattr_sz (compound_encode_hdr_maxsz + \
469 encode_sequence_maxsz + \
470 encode_putfh_maxsz + \
471 encode_open_maxsz + \
472 encode_access_maxsz + \
473 encode_getattr_maxsz)
474 #define NFS4_dec_open_noattr_sz (compound_decode_hdr_maxsz + \
475 decode_sequence_maxsz + \
476 decode_putfh_maxsz + \
477 decode_open_maxsz + \
478 decode_access_maxsz + \
479 decode_getattr_maxsz)
480 #define NFS4_enc_open_downgrade_sz \
481 (compound_encode_hdr_maxsz + \
482 encode_sequence_maxsz + \
483 encode_putfh_maxsz + \
484 encode_open_downgrade_maxsz + \
485 encode_getattr_maxsz)
486 #define NFS4_dec_open_downgrade_sz \
487 (compound_decode_hdr_maxsz + \
488 decode_sequence_maxsz + \
489 decode_putfh_maxsz + \
490 decode_open_downgrade_maxsz + \
491 decode_getattr_maxsz)
492 #define NFS4_enc_close_sz (compound_encode_hdr_maxsz + \
493 encode_sequence_maxsz + \
494 encode_putfh_maxsz + \
495 encode_close_maxsz + \
496 encode_getattr_maxsz)
497 #define NFS4_dec_close_sz (compound_decode_hdr_maxsz + \
498 decode_sequence_maxsz + \
499 decode_putfh_maxsz + \
500 decode_close_maxsz + \
501 decode_getattr_maxsz)
502 #define NFS4_enc_setattr_sz (compound_encode_hdr_maxsz + \
503 encode_sequence_maxsz + \
504 encode_putfh_maxsz + \
505 encode_setattr_maxsz + \
506 encode_getattr_maxsz)
507 #define NFS4_dec_setattr_sz (compound_decode_hdr_maxsz + \
508 decode_sequence_maxsz + \
509 decode_putfh_maxsz + \
510 decode_setattr_maxsz + \
511 decode_getattr_maxsz)
512 #define NFS4_enc_fsinfo_sz (compound_encode_hdr_maxsz + \
513 encode_sequence_maxsz + \
514 encode_putfh_maxsz + \
516 #define NFS4_dec_fsinfo_sz (compound_decode_hdr_maxsz + \
517 decode_sequence_maxsz + \
518 decode_putfh_maxsz + \
520 #define NFS4_enc_renew_sz (compound_encode_hdr_maxsz + \
522 #define NFS4_dec_renew_sz (compound_decode_hdr_maxsz + \
524 #define NFS4_enc_setclientid_sz (compound_encode_hdr_maxsz + \
525 encode_setclientid_maxsz)
526 #define NFS4_dec_setclientid_sz (compound_decode_hdr_maxsz + \
527 decode_setclientid_maxsz)
528 #define NFS4_enc_setclientid_confirm_sz \
529 (compound_encode_hdr_maxsz + \
530 encode_setclientid_confirm_maxsz + \
531 encode_putrootfh_maxsz + \
533 #define NFS4_dec_setclientid_confirm_sz \
534 (compound_decode_hdr_maxsz + \
535 decode_setclientid_confirm_maxsz + \
536 decode_putrootfh_maxsz + \
538 #define NFS4_enc_lock_sz (compound_encode_hdr_maxsz + \
539 encode_sequence_maxsz + \
540 encode_putfh_maxsz + \
542 #define NFS4_dec_lock_sz (compound_decode_hdr_maxsz + \
543 decode_sequence_maxsz + \
544 decode_putfh_maxsz + \
546 #define NFS4_enc_lockt_sz (compound_encode_hdr_maxsz + \
547 encode_sequence_maxsz + \
548 encode_putfh_maxsz + \
550 #define NFS4_dec_lockt_sz (compound_decode_hdr_maxsz + \
551 decode_sequence_maxsz + \
552 decode_putfh_maxsz + \
554 #define NFS4_enc_locku_sz (compound_encode_hdr_maxsz + \
555 encode_sequence_maxsz + \
556 encode_putfh_maxsz + \
558 #define NFS4_dec_locku_sz (compound_decode_hdr_maxsz + \
559 decode_sequence_maxsz + \
560 decode_putfh_maxsz + \
562 #define NFS4_enc_release_lockowner_sz \
563 (compound_encode_hdr_maxsz + \
564 encode_lockowner_maxsz)
565 #define NFS4_dec_release_lockowner_sz \
566 (compound_decode_hdr_maxsz + \
567 decode_lockowner_maxsz)
568 #define NFS4_enc_access_sz (compound_encode_hdr_maxsz + \
569 encode_sequence_maxsz + \
570 encode_putfh_maxsz + \
571 encode_access_maxsz + \
572 encode_getattr_maxsz)
573 #define NFS4_dec_access_sz (compound_decode_hdr_maxsz + \
574 decode_sequence_maxsz + \
575 decode_putfh_maxsz + \
576 decode_access_maxsz + \
577 decode_getattr_maxsz)
578 #define NFS4_enc_getattr_sz (compound_encode_hdr_maxsz + \
579 encode_sequence_maxsz + \
580 encode_putfh_maxsz + \
581 encode_getattr_maxsz)
582 #define NFS4_dec_getattr_sz (compound_decode_hdr_maxsz + \
583 decode_sequence_maxsz + \
584 decode_putfh_maxsz + \
585 decode_getattr_maxsz)
586 #define NFS4_enc_lookup_sz (compound_encode_hdr_maxsz + \
587 encode_sequence_maxsz + \
588 encode_putfh_maxsz + \
589 encode_lookup_maxsz + \
590 encode_getattr_maxsz + \
592 #define NFS4_dec_lookup_sz (compound_decode_hdr_maxsz + \
593 decode_sequence_maxsz + \
594 decode_putfh_maxsz + \
595 decode_lookup_maxsz + \
596 decode_getattr_maxsz + \
598 #define NFS4_enc_lookup_root_sz (compound_encode_hdr_maxsz + \
599 encode_sequence_maxsz + \
600 encode_putrootfh_maxsz + \
601 encode_getattr_maxsz + \
603 #define NFS4_dec_lookup_root_sz (compound_decode_hdr_maxsz + \
604 decode_sequence_maxsz + \
605 decode_putrootfh_maxsz + \
606 decode_getattr_maxsz + \
608 #define NFS4_enc_remove_sz (compound_encode_hdr_maxsz + \
609 encode_sequence_maxsz + \
610 encode_putfh_maxsz + \
612 #define NFS4_dec_remove_sz (compound_decode_hdr_maxsz + \
613 decode_sequence_maxsz + \
614 decode_putfh_maxsz + \
616 #define NFS4_enc_rename_sz (compound_encode_hdr_maxsz + \
617 encode_sequence_maxsz + \
618 encode_putfh_maxsz + \
619 encode_savefh_maxsz + \
620 encode_putfh_maxsz + \
622 #define NFS4_dec_rename_sz (compound_decode_hdr_maxsz + \
623 decode_sequence_maxsz + \
624 decode_putfh_maxsz + \
625 decode_savefh_maxsz + \
626 decode_putfh_maxsz + \
628 #define NFS4_enc_link_sz (compound_encode_hdr_maxsz + \
629 encode_sequence_maxsz + \
630 encode_putfh_maxsz + \
631 encode_savefh_maxsz + \
632 encode_putfh_maxsz + \
633 encode_link_maxsz + \
634 encode_restorefh_maxsz + \
635 encode_getattr_maxsz)
636 #define NFS4_dec_link_sz (compound_decode_hdr_maxsz + \
637 decode_sequence_maxsz + \
638 decode_putfh_maxsz + \
639 decode_savefh_maxsz + \
640 decode_putfh_maxsz + \
641 decode_link_maxsz + \
642 decode_restorefh_maxsz + \
643 decode_getattr_maxsz)
644 #define NFS4_enc_symlink_sz (compound_encode_hdr_maxsz + \
645 encode_sequence_maxsz + \
646 encode_putfh_maxsz + \
647 encode_symlink_maxsz + \
648 encode_getattr_maxsz + \
650 #define NFS4_dec_symlink_sz (compound_decode_hdr_maxsz + \
651 decode_sequence_maxsz + \
652 decode_putfh_maxsz + \
653 decode_symlink_maxsz + \
654 decode_getattr_maxsz + \
656 #define NFS4_enc_create_sz (compound_encode_hdr_maxsz + \
657 encode_sequence_maxsz + \
658 encode_putfh_maxsz + \
659 encode_create_maxsz + \
660 encode_getfh_maxsz + \
661 encode_getattr_maxsz)
662 #define NFS4_dec_create_sz (compound_decode_hdr_maxsz + \
663 decode_sequence_maxsz + \
664 decode_putfh_maxsz + \
665 decode_create_maxsz + \
666 decode_getfh_maxsz + \
667 decode_getattr_maxsz)
668 #define NFS4_enc_pathconf_sz (compound_encode_hdr_maxsz + \
669 encode_sequence_maxsz + \
670 encode_putfh_maxsz + \
671 encode_getattr_maxsz)
672 #define NFS4_dec_pathconf_sz (compound_decode_hdr_maxsz + \
673 decode_sequence_maxsz + \
674 decode_putfh_maxsz + \
675 decode_getattr_maxsz)
676 #define NFS4_enc_statfs_sz (compound_encode_hdr_maxsz + \
677 encode_sequence_maxsz + \
678 encode_putfh_maxsz + \
680 #define NFS4_dec_statfs_sz (compound_decode_hdr_maxsz + \
681 decode_sequence_maxsz + \
682 decode_putfh_maxsz + \
684 #define NFS4_enc_server_caps_sz (compound_encode_hdr_maxsz + \
685 encode_sequence_maxsz + \
686 encode_putfh_maxsz + \
687 encode_getattr_maxsz)
688 #define NFS4_dec_server_caps_sz (compound_decode_hdr_maxsz + \
689 decode_sequence_maxsz + \
690 decode_putfh_maxsz + \
691 decode_getattr_maxsz)
692 #define NFS4_enc_delegreturn_sz (compound_encode_hdr_maxsz + \
693 encode_sequence_maxsz + \
694 encode_putfh_maxsz + \
695 encode_delegreturn_maxsz + \
696 encode_getattr_maxsz)
697 #define NFS4_dec_delegreturn_sz (compound_decode_hdr_maxsz + \
698 decode_sequence_maxsz + \
699 decode_delegreturn_maxsz + \
700 decode_getattr_maxsz)
701 #define NFS4_enc_getacl_sz (compound_encode_hdr_maxsz + \
702 encode_sequence_maxsz + \
703 encode_putfh_maxsz + \
705 #define NFS4_dec_getacl_sz (compound_decode_hdr_maxsz + \
706 decode_sequence_maxsz + \
707 decode_putfh_maxsz + \
709 #define NFS4_enc_setacl_sz (compound_encode_hdr_maxsz + \
710 encode_sequence_maxsz + \
711 encode_putfh_maxsz + \
713 #define NFS4_dec_setacl_sz (compound_decode_hdr_maxsz + \
714 decode_sequence_maxsz + \
715 decode_putfh_maxsz + \
717 #define NFS4_enc_fs_locations_sz \
718 (compound_encode_hdr_maxsz + \
719 encode_sequence_maxsz + \
720 encode_putfh_maxsz + \
721 encode_lookup_maxsz + \
722 encode_fs_locations_maxsz)
723 #define NFS4_dec_fs_locations_sz \
724 (compound_decode_hdr_maxsz + \
725 decode_sequence_maxsz + \
726 decode_putfh_maxsz + \
727 decode_lookup_maxsz + \
728 decode_fs_locations_maxsz)
729 #define NFS4_enc_secinfo_sz (compound_encode_hdr_maxsz + \
730 encode_sequence_maxsz + \
731 encode_putfh_maxsz + \
732 encode_secinfo_maxsz)
733 #define NFS4_dec_secinfo_sz (compound_decode_hdr_maxsz + \
734 decode_sequence_maxsz + \
735 decode_putfh_maxsz + \
736 decode_secinfo_maxsz)
737 #if defined(CONFIG_NFS_V4_1)
738 #define NFS4_enc_bind_conn_to_session_sz \
739 (compound_encode_hdr_maxsz + \
740 encode_bind_conn_to_session_maxsz)
741 #define NFS4_dec_bind_conn_to_session_sz \
742 (compound_decode_hdr_maxsz + \
743 decode_bind_conn_to_session_maxsz)
744 #define NFS4_enc_exchange_id_sz \
745 (compound_encode_hdr_maxsz + \
746 encode_exchange_id_maxsz)
747 #define NFS4_dec_exchange_id_sz \
748 (compound_decode_hdr_maxsz + \
749 decode_exchange_id_maxsz)
750 #define NFS4_enc_create_session_sz \
751 (compound_encode_hdr_maxsz + \
752 encode_create_session_maxsz)
753 #define NFS4_dec_create_session_sz \
754 (compound_decode_hdr_maxsz + \
755 decode_create_session_maxsz)
756 #define NFS4_enc_destroy_session_sz (compound_encode_hdr_maxsz + \
757 encode_destroy_session_maxsz)
758 #define NFS4_dec_destroy_session_sz (compound_decode_hdr_maxsz + \
759 decode_destroy_session_maxsz)
760 #define NFS4_enc_destroy_clientid_sz (compound_encode_hdr_maxsz + \
761 encode_destroy_clientid_maxsz)
762 #define NFS4_dec_destroy_clientid_sz (compound_decode_hdr_maxsz + \
763 decode_destroy_clientid_maxsz)
764 #define NFS4_enc_sequence_sz \
765 (compound_decode_hdr_maxsz + \
766 encode_sequence_maxsz)
767 #define NFS4_dec_sequence_sz \
768 (compound_decode_hdr_maxsz + \
769 decode_sequence_maxsz)
770 #define NFS4_enc_get_lease_time_sz (compound_encode_hdr_maxsz + \
771 encode_sequence_maxsz + \
772 encode_putrootfh_maxsz + \
774 #define NFS4_dec_get_lease_time_sz (compound_decode_hdr_maxsz + \
775 decode_sequence_maxsz + \
776 decode_putrootfh_maxsz + \
778 #define NFS4_enc_reclaim_complete_sz (compound_encode_hdr_maxsz + \
779 encode_sequence_maxsz + \
780 encode_reclaim_complete_maxsz)
781 #define NFS4_dec_reclaim_complete_sz (compound_decode_hdr_maxsz + \
782 decode_sequence_maxsz + \
783 decode_reclaim_complete_maxsz)
784 #define NFS4_enc_getdevicelist_sz (compound_encode_hdr_maxsz + \
785 encode_sequence_maxsz + \
786 encode_putfh_maxsz + \
787 encode_getdevicelist_maxsz)
788 #define NFS4_dec_getdevicelist_sz (compound_decode_hdr_maxsz + \
789 decode_sequence_maxsz + \
790 decode_putfh_maxsz + \
791 decode_getdevicelist_maxsz)
792 #define NFS4_enc_getdeviceinfo_sz (compound_encode_hdr_maxsz + \
793 encode_sequence_maxsz +\
794 encode_getdeviceinfo_maxsz)
795 #define NFS4_dec_getdeviceinfo_sz (compound_decode_hdr_maxsz + \
796 decode_sequence_maxsz + \
797 decode_getdeviceinfo_maxsz)
798 #define NFS4_enc_layoutget_sz (compound_encode_hdr_maxsz + \
799 encode_sequence_maxsz + \
800 encode_putfh_maxsz + \
801 encode_layoutget_maxsz)
802 #define NFS4_dec_layoutget_sz (compound_decode_hdr_maxsz + \
803 decode_sequence_maxsz + \
804 decode_putfh_maxsz + \
805 decode_layoutget_maxsz)
806 #define NFS4_enc_layoutcommit_sz (compound_encode_hdr_maxsz + \
807 encode_sequence_maxsz +\
808 encode_putfh_maxsz + \
809 encode_layoutcommit_maxsz + \
810 encode_getattr_maxsz)
811 #define NFS4_dec_layoutcommit_sz (compound_decode_hdr_maxsz + \
812 decode_sequence_maxsz + \
813 decode_putfh_maxsz + \
814 decode_layoutcommit_maxsz + \
815 decode_getattr_maxsz)
816 #define NFS4_enc_layoutreturn_sz (compound_encode_hdr_maxsz + \
817 encode_sequence_maxsz + \
818 encode_putfh_maxsz + \
819 encode_layoutreturn_maxsz)
820 #define NFS4_dec_layoutreturn_sz (compound_decode_hdr_maxsz + \
821 decode_sequence_maxsz + \
822 decode_putfh_maxsz + \
823 decode_layoutreturn_maxsz)
824 #define NFS4_enc_secinfo_no_name_sz (compound_encode_hdr_maxsz + \
825 encode_sequence_maxsz + \
826 encode_putrootfh_maxsz +\
827 encode_secinfo_no_name_maxsz)
828 #define NFS4_dec_secinfo_no_name_sz (compound_decode_hdr_maxsz + \
829 decode_sequence_maxsz + \
830 decode_putrootfh_maxsz + \
831 decode_secinfo_no_name_maxsz)
832 #define NFS4_enc_test_stateid_sz (compound_encode_hdr_maxsz + \
833 encode_sequence_maxsz + \
834 encode_test_stateid_maxsz)
835 #define NFS4_dec_test_stateid_sz (compound_decode_hdr_maxsz + \
836 decode_sequence_maxsz + \
837 decode_test_stateid_maxsz)
838 #define NFS4_enc_free_stateid_sz (compound_encode_hdr_maxsz + \
839 encode_sequence_maxsz + \
840 encode_free_stateid_maxsz)
841 #define NFS4_dec_free_stateid_sz (compound_decode_hdr_maxsz + \
842 decode_sequence_maxsz + \
843 decode_free_stateid_maxsz)
845 const u32 nfs41_maxwrite_overhead
= ((RPC_MAX_HEADER_WITH_AUTH
+
846 compound_encode_hdr_maxsz
+
847 encode_sequence_maxsz
+
849 encode_getattr_maxsz
) *
852 const u32 nfs41_maxread_overhead
= ((RPC_MAX_HEADER_WITH_AUTH
+
853 compound_decode_hdr_maxsz
+
854 decode_sequence_maxsz
+
855 decode_putfh_maxsz
) *
857 #endif /* CONFIG_NFS_V4_1 */
859 static const umode_t nfs_type2fmt
[] = {
866 [NF4SOCK
] = S_IFSOCK
,
872 struct compound_hdr
{
878 uint32_t replen
; /* expected reply words */
882 static __be32
*reserve_space(struct xdr_stream
*xdr
, size_t nbytes
)
884 __be32
*p
= xdr_reserve_space(xdr
, nbytes
);
889 static void encode_opaque_fixed(struct xdr_stream
*xdr
, const void *buf
, size_t len
)
893 p
= xdr_reserve_space(xdr
, len
);
894 xdr_encode_opaque_fixed(p
, buf
, len
);
897 static void encode_string(struct xdr_stream
*xdr
, unsigned int len
, const char *str
)
901 p
= reserve_space(xdr
, 4 + len
);
902 xdr_encode_opaque(p
, str
, len
);
905 static void encode_uint32(struct xdr_stream
*xdr
, u32 n
)
909 p
= reserve_space(xdr
, 4);
913 static void encode_uint64(struct xdr_stream
*xdr
, u64 n
)
917 p
= reserve_space(xdr
, 8);
918 xdr_encode_hyper(p
, n
);
921 static void encode_nfs4_seqid(struct xdr_stream
*xdr
,
922 const struct nfs_seqid
*seqid
)
924 encode_uint32(xdr
, seqid
->sequence
->counter
);
927 static void encode_compound_hdr(struct xdr_stream
*xdr
,
928 struct rpc_rqst
*req
,
929 struct compound_hdr
*hdr
)
932 struct rpc_auth
*auth
= req
->rq_cred
->cr_auth
;
934 /* initialize running count of expected bytes in reply.
935 * NOTE: the replied tag SHOULD be the same is the one sent,
936 * but this is not required as a MUST for the server to do so. */
937 hdr
->replen
= RPC_REPHDRSIZE
+ auth
->au_rslack
+ 3 + hdr
->taglen
;
939 BUG_ON(hdr
->taglen
> NFS4_MAXTAGLEN
);
940 encode_string(xdr
, hdr
->taglen
, hdr
->tag
);
941 p
= reserve_space(xdr
, 8);
942 *p
++ = cpu_to_be32(hdr
->minorversion
);
944 *p
= cpu_to_be32(hdr
->nops
);
947 static void encode_op_hdr(struct xdr_stream
*xdr
, enum nfs_opnum4 op
,
949 struct compound_hdr
*hdr
)
951 encode_uint32(xdr
, op
);
953 hdr
->replen
+= replen
;
956 static void encode_nops(struct compound_hdr
*hdr
)
958 BUG_ON(hdr
->nops
> NFS4_MAX_OPS
);
959 *hdr
->nops_p
= htonl(hdr
->nops
);
962 static void encode_nfs4_stateid(struct xdr_stream
*xdr
, const nfs4_stateid
*stateid
)
964 encode_opaque_fixed(xdr
, stateid
, NFS4_STATEID_SIZE
);
967 static void encode_nfs4_verifier(struct xdr_stream
*xdr
, const nfs4_verifier
*verf
)
969 encode_opaque_fixed(xdr
, verf
->data
, NFS4_VERIFIER_SIZE
);
972 static void encode_attrs(struct xdr_stream
*xdr
, const struct iattr
*iap
, const struct nfs_server
*server
)
974 char owner_name
[IDMAP_NAMESZ
];
975 char owner_group
[IDMAP_NAMESZ
];
976 int owner_namelen
= 0;
977 int owner_grouplen
= 0;
985 * We reserve enough space to write the entire attribute buffer at once.
986 * In the worst-case, this would be
987 * 12(bitmap) + 4(attrlen) + 8(size) + 4(mode) + 4(atime) + 4(mtime)
988 * = 36 bytes, plus any contribution from variable-length fields
989 * such as owner/group.
994 if (iap
->ia_valid
& ATTR_SIZE
)
996 if (iap
->ia_valid
& ATTR_MODE
)
998 if (iap
->ia_valid
& ATTR_UID
) {
999 owner_namelen
= nfs_map_uid_to_name(server
, iap
->ia_uid
, owner_name
, IDMAP_NAMESZ
);
1000 if (owner_namelen
< 0) {
1001 dprintk("nfs: couldn't resolve uid %d to string\n",
1004 strcpy(owner_name
, "nobody");
1005 owner_namelen
= sizeof("nobody") - 1;
1008 len
+= 4 + (XDR_QUADLEN(owner_namelen
) << 2);
1010 if (iap
->ia_valid
& ATTR_GID
) {
1011 owner_grouplen
= nfs_map_gid_to_group(server
, iap
->ia_gid
, owner_group
, IDMAP_NAMESZ
);
1012 if (owner_grouplen
< 0) {
1013 dprintk("nfs: couldn't resolve gid %d to string\n",
1015 strcpy(owner_group
, "nobody");
1016 owner_grouplen
= sizeof("nobody") - 1;
1019 len
+= 4 + (XDR_QUADLEN(owner_grouplen
) << 2);
1021 if (iap
->ia_valid
& ATTR_ATIME_SET
)
1023 else if (iap
->ia_valid
& ATTR_ATIME
)
1025 if (iap
->ia_valid
& ATTR_MTIME_SET
)
1027 else if (iap
->ia_valid
& ATTR_MTIME
)
1029 p
= reserve_space(xdr
, len
);
1032 * We write the bitmap length now, but leave the bitmap and the attribute
1033 * buffer length to be backfilled at the end of this routine.
1035 *p
++ = cpu_to_be32(2);
1039 if (iap
->ia_valid
& ATTR_SIZE
) {
1040 bmval0
|= FATTR4_WORD0_SIZE
;
1041 p
= xdr_encode_hyper(p
, iap
->ia_size
);
1043 if (iap
->ia_valid
& ATTR_MODE
) {
1044 bmval1
|= FATTR4_WORD1_MODE
;
1045 *p
++ = cpu_to_be32(iap
->ia_mode
& S_IALLUGO
);
1047 if (iap
->ia_valid
& ATTR_UID
) {
1048 bmval1
|= FATTR4_WORD1_OWNER
;
1049 p
= xdr_encode_opaque(p
, owner_name
, owner_namelen
);
1051 if (iap
->ia_valid
& ATTR_GID
) {
1052 bmval1
|= FATTR4_WORD1_OWNER_GROUP
;
1053 p
= xdr_encode_opaque(p
, owner_group
, owner_grouplen
);
1055 if (iap
->ia_valid
& ATTR_ATIME_SET
) {
1056 bmval1
|= FATTR4_WORD1_TIME_ACCESS_SET
;
1057 *p
++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME
);
1058 *p
++ = cpu_to_be32(0);
1059 *p
++ = cpu_to_be32(iap
->ia_atime
.tv_sec
);
1060 *p
++ = cpu_to_be32(iap
->ia_atime
.tv_nsec
);
1062 else if (iap
->ia_valid
& ATTR_ATIME
) {
1063 bmval1
|= FATTR4_WORD1_TIME_ACCESS_SET
;
1064 *p
++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME
);
1066 if (iap
->ia_valid
& ATTR_MTIME_SET
) {
1067 bmval1
|= FATTR4_WORD1_TIME_MODIFY_SET
;
1068 *p
++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME
);
1069 *p
++ = cpu_to_be32(0);
1070 *p
++ = cpu_to_be32(iap
->ia_mtime
.tv_sec
);
1071 *p
++ = cpu_to_be32(iap
->ia_mtime
.tv_nsec
);
1073 else if (iap
->ia_valid
& ATTR_MTIME
) {
1074 bmval1
|= FATTR4_WORD1_TIME_MODIFY_SET
;
1075 *p
++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME
);
1079 * Now we backfill the bitmap and the attribute buffer length.
1081 if (len
!= ((char *)p
- (char *)q
) + 4) {
1082 printk(KERN_ERR
"NFS: Attr length error, %u != %Zu\n",
1083 len
, ((char *)p
- (char *)q
) + 4);
1086 len
= (char *)p
- (char *)q
- 12;
1087 *q
++ = htonl(bmval0
);
1088 *q
++ = htonl(bmval1
);
1094 static void encode_access(struct xdr_stream
*xdr
, u32 access
, struct compound_hdr
*hdr
)
1096 encode_op_hdr(xdr
, OP_ACCESS
, decode_access_maxsz
, hdr
);
1097 encode_uint32(xdr
, access
);
1100 static void encode_close(struct xdr_stream
*xdr
, const struct nfs_closeargs
*arg
, struct compound_hdr
*hdr
)
1102 encode_op_hdr(xdr
, OP_CLOSE
, decode_close_maxsz
, hdr
);
1103 encode_nfs4_seqid(xdr
, arg
->seqid
);
1104 encode_nfs4_stateid(xdr
, arg
->stateid
);
1107 static void encode_commit(struct xdr_stream
*xdr
, const struct nfs_commitargs
*args
, struct compound_hdr
*hdr
)
1111 encode_op_hdr(xdr
, OP_COMMIT
, decode_commit_maxsz
, hdr
);
1112 p
= reserve_space(xdr
, 12);
1113 p
= xdr_encode_hyper(p
, args
->offset
);
1114 *p
= cpu_to_be32(args
->count
);
1117 static void encode_create(struct xdr_stream
*xdr
, const struct nfs4_create_arg
*create
, struct compound_hdr
*hdr
)
1121 encode_op_hdr(xdr
, OP_CREATE
, decode_create_maxsz
, hdr
);
1122 encode_uint32(xdr
, create
->ftype
);
1124 switch (create
->ftype
) {
1126 p
= reserve_space(xdr
, 4);
1127 *p
= cpu_to_be32(create
->u
.symlink
.len
);
1128 xdr_write_pages(xdr
, create
->u
.symlink
.pages
, 0, create
->u
.symlink
.len
);
1131 case NF4BLK
: case NF4CHR
:
1132 p
= reserve_space(xdr
, 8);
1133 *p
++ = cpu_to_be32(create
->u
.device
.specdata1
);
1134 *p
= cpu_to_be32(create
->u
.device
.specdata2
);
1141 encode_string(xdr
, create
->name
->len
, create
->name
->name
);
1142 encode_attrs(xdr
, create
->attrs
, create
->server
);
1145 static void encode_getattr_one(struct xdr_stream
*xdr
, uint32_t bitmap
, struct compound_hdr
*hdr
)
1149 encode_op_hdr(xdr
, OP_GETATTR
, decode_getattr_maxsz
, hdr
);
1150 p
= reserve_space(xdr
, 8);
1151 *p
++ = cpu_to_be32(1);
1152 *p
= cpu_to_be32(bitmap
);
1155 static void encode_getattr_two(struct xdr_stream
*xdr
, uint32_t bm0
, uint32_t bm1
, struct compound_hdr
*hdr
)
1159 encode_op_hdr(xdr
, OP_GETATTR
, decode_getattr_maxsz
, hdr
);
1160 p
= reserve_space(xdr
, 12);
1161 *p
++ = cpu_to_be32(2);
1162 *p
++ = cpu_to_be32(bm0
);
1163 *p
= cpu_to_be32(bm1
);
1167 encode_getattr_three(struct xdr_stream
*xdr
,
1168 uint32_t bm0
, uint32_t bm1
, uint32_t bm2
,
1169 struct compound_hdr
*hdr
)
1173 encode_op_hdr(xdr
, OP_GETATTR
, decode_getattr_maxsz
, hdr
);
1175 p
= reserve_space(xdr
, 16);
1176 *p
++ = cpu_to_be32(3);
1177 *p
++ = cpu_to_be32(bm0
);
1178 *p
++ = cpu_to_be32(bm1
);
1179 *p
= cpu_to_be32(bm2
);
1181 p
= reserve_space(xdr
, 12);
1182 *p
++ = cpu_to_be32(2);
1183 *p
++ = cpu_to_be32(bm0
);
1184 *p
= cpu_to_be32(bm1
);
1186 p
= reserve_space(xdr
, 8);
1187 *p
++ = cpu_to_be32(1);
1188 *p
= cpu_to_be32(bm0
);
1192 static void encode_getfattr(struct xdr_stream
*xdr
, const u32
* bitmask
, struct compound_hdr
*hdr
)
1194 encode_getattr_two(xdr
, bitmask
[0] & nfs4_fattr_bitmap
[0],
1195 bitmask
[1] & nfs4_fattr_bitmap
[1], hdr
);
1198 static void encode_getfattr_open(struct xdr_stream
*xdr
, const u32
*bitmask
,
1199 const u32
*open_bitmap
,
1200 struct compound_hdr
*hdr
)
1202 encode_getattr_three(xdr
,
1203 bitmask
[0] & open_bitmap
[0],
1204 bitmask
[1] & open_bitmap
[1],
1205 bitmask
[2] & open_bitmap
[2],
1209 static void encode_fsinfo(struct xdr_stream
*xdr
, const u32
* bitmask
, struct compound_hdr
*hdr
)
1211 encode_getattr_three(xdr
,
1212 bitmask
[0] & nfs4_fsinfo_bitmap
[0],
1213 bitmask
[1] & nfs4_fsinfo_bitmap
[1],
1214 bitmask
[2] & nfs4_fsinfo_bitmap
[2],
1218 static void encode_fs_locations(struct xdr_stream
*xdr
, const u32
* bitmask
, struct compound_hdr
*hdr
)
1220 encode_getattr_two(xdr
, bitmask
[0] & nfs4_fs_locations_bitmap
[0],
1221 bitmask
[1] & nfs4_fs_locations_bitmap
[1], hdr
);
1224 static void encode_getfh(struct xdr_stream
*xdr
, struct compound_hdr
*hdr
)
1226 encode_op_hdr(xdr
, OP_GETFH
, decode_getfh_maxsz
, hdr
);
1229 static void encode_link(struct xdr_stream
*xdr
, const struct qstr
*name
, struct compound_hdr
*hdr
)
1231 encode_op_hdr(xdr
, OP_LINK
, decode_link_maxsz
, hdr
);
1232 encode_string(xdr
, name
->len
, name
->name
);
1235 static inline int nfs4_lock_type(struct file_lock
*fl
, int block
)
1237 if (fl
->fl_type
== F_RDLCK
)
1238 return block
? NFS4_READW_LT
: NFS4_READ_LT
;
1239 return block
? NFS4_WRITEW_LT
: NFS4_WRITE_LT
;
1242 static inline uint64_t nfs4_lock_length(struct file_lock
*fl
)
1244 if (fl
->fl_end
== OFFSET_MAX
)
1245 return ~(uint64_t)0;
1246 return fl
->fl_end
- fl
->fl_start
+ 1;
1249 static void encode_lockowner(struct xdr_stream
*xdr
, const struct nfs_lowner
*lowner
)
1253 p
= reserve_space(xdr
, 32);
1254 p
= xdr_encode_hyper(p
, lowner
->clientid
);
1255 *p
++ = cpu_to_be32(20);
1256 p
= xdr_encode_opaque_fixed(p
, "lock id:", 8);
1257 *p
++ = cpu_to_be32(lowner
->s_dev
);
1258 xdr_encode_hyper(p
, lowner
->id
);
1262 * opcode,type,reclaim,offset,length,new_lock_owner = 32
1263 * open_seqid,open_stateid,lock_seqid,lock_owner.clientid, lock_owner.id = 40
1265 static void encode_lock(struct xdr_stream
*xdr
, const struct nfs_lock_args
*args
, struct compound_hdr
*hdr
)
1269 encode_op_hdr(xdr
, OP_LOCK
, decode_lock_maxsz
, hdr
);
1270 p
= reserve_space(xdr
, 28);
1271 *p
++ = cpu_to_be32(nfs4_lock_type(args
->fl
, args
->block
));
1272 *p
++ = cpu_to_be32(args
->reclaim
);
1273 p
= xdr_encode_hyper(p
, args
->fl
->fl_start
);
1274 p
= xdr_encode_hyper(p
, nfs4_lock_length(args
->fl
));
1275 *p
= cpu_to_be32(args
->new_lock_owner
);
1276 if (args
->new_lock_owner
){
1277 encode_nfs4_seqid(xdr
, args
->open_seqid
);
1278 encode_nfs4_stateid(xdr
, args
->open_stateid
);
1279 encode_nfs4_seqid(xdr
, args
->lock_seqid
);
1280 encode_lockowner(xdr
, &args
->lock_owner
);
1283 encode_nfs4_stateid(xdr
, args
->lock_stateid
);
1284 encode_nfs4_seqid(xdr
, args
->lock_seqid
);
1288 static void encode_lockt(struct xdr_stream
*xdr
, const struct nfs_lockt_args
*args
, struct compound_hdr
*hdr
)
1292 encode_op_hdr(xdr
, OP_LOCKT
, decode_lockt_maxsz
, hdr
);
1293 p
= reserve_space(xdr
, 20);
1294 *p
++ = cpu_to_be32(nfs4_lock_type(args
->fl
, 0));
1295 p
= xdr_encode_hyper(p
, args
->fl
->fl_start
);
1296 p
= xdr_encode_hyper(p
, nfs4_lock_length(args
->fl
));
1297 encode_lockowner(xdr
, &args
->lock_owner
);
1300 static void encode_locku(struct xdr_stream
*xdr
, const struct nfs_locku_args
*args
, struct compound_hdr
*hdr
)
1304 encode_op_hdr(xdr
, OP_LOCKU
, decode_locku_maxsz
, hdr
);
1305 encode_uint32(xdr
, nfs4_lock_type(args
->fl
, 0));
1306 encode_nfs4_seqid(xdr
, args
->seqid
);
1307 encode_nfs4_stateid(xdr
, args
->stateid
);
1308 p
= reserve_space(xdr
, 16);
1309 p
= xdr_encode_hyper(p
, args
->fl
->fl_start
);
1310 xdr_encode_hyper(p
, nfs4_lock_length(args
->fl
));
1313 static void encode_release_lockowner(struct xdr_stream
*xdr
, const struct nfs_lowner
*lowner
, struct compound_hdr
*hdr
)
1315 encode_op_hdr(xdr
, OP_RELEASE_LOCKOWNER
, decode_release_lockowner_maxsz
, hdr
);
1316 encode_lockowner(xdr
, lowner
);
1319 static void encode_lookup(struct xdr_stream
*xdr
, const struct qstr
*name
, struct compound_hdr
*hdr
)
1321 encode_op_hdr(xdr
, OP_LOOKUP
, decode_lookup_maxsz
, hdr
);
1322 encode_string(xdr
, name
->len
, name
->name
);
1325 static void encode_share_access(struct xdr_stream
*xdr
, fmode_t fmode
)
1329 p
= reserve_space(xdr
, 8);
1330 switch (fmode
& (FMODE_READ
|FMODE_WRITE
)) {
1332 *p
++ = cpu_to_be32(NFS4_SHARE_ACCESS_READ
);
1335 *p
++ = cpu_to_be32(NFS4_SHARE_ACCESS_WRITE
);
1337 case FMODE_READ
|FMODE_WRITE
:
1338 *p
++ = cpu_to_be32(NFS4_SHARE_ACCESS_BOTH
);
1341 *p
++ = cpu_to_be32(0);
1343 *p
= cpu_to_be32(0); /* for linux, share_deny = 0 always */
1346 static inline void encode_openhdr(struct xdr_stream
*xdr
, const struct nfs_openargs
*arg
)
1350 * opcode 4, seqid 4, share_access 4, share_deny 4, clientid 8, ownerlen 4,
1353 encode_nfs4_seqid(xdr
, arg
->seqid
);
1354 encode_share_access(xdr
, arg
->fmode
);
1355 p
= reserve_space(xdr
, 36);
1356 p
= xdr_encode_hyper(p
, arg
->clientid
);
1357 *p
++ = cpu_to_be32(24);
1358 p
= xdr_encode_opaque_fixed(p
, "open id:", 8);
1359 *p
++ = cpu_to_be32(arg
->server
->s_dev
);
1360 *p
++ = cpu_to_be32(arg
->id
.uniquifier
);
1361 xdr_encode_hyper(p
, arg
->id
.create_time
);
1364 static inline void encode_createmode(struct xdr_stream
*xdr
, const struct nfs_openargs
*arg
)
1367 struct nfs_client
*clp
;
1369 p
= reserve_space(xdr
, 4);
1370 switch(arg
->open_flags
& O_EXCL
) {
1372 *p
= cpu_to_be32(NFS4_CREATE_UNCHECKED
);
1373 encode_attrs(xdr
, arg
->u
.attrs
, arg
->server
);
1376 clp
= arg
->server
->nfs_client
;
1377 if (clp
->cl_mvops
->minor_version
> 0) {
1378 if (nfs4_has_persistent_session(clp
)) {
1379 *p
= cpu_to_be32(NFS4_CREATE_GUARDED
);
1380 encode_attrs(xdr
, arg
->u
.attrs
, arg
->server
);
1384 *p
= cpu_to_be32(NFS4_CREATE_EXCLUSIVE4_1
);
1385 encode_nfs4_verifier(xdr
, &arg
->u
.verifier
);
1387 encode_attrs(xdr
, &dummy
, arg
->server
);
1390 *p
= cpu_to_be32(NFS4_CREATE_EXCLUSIVE
);
1391 encode_nfs4_verifier(xdr
, &arg
->u
.verifier
);
1396 static void encode_opentype(struct xdr_stream
*xdr
, const struct nfs_openargs
*arg
)
1400 p
= reserve_space(xdr
, 4);
1401 switch (arg
->open_flags
& O_CREAT
) {
1403 *p
= cpu_to_be32(NFS4_OPEN_NOCREATE
);
1406 BUG_ON(arg
->claim
!= NFS4_OPEN_CLAIM_NULL
);
1407 *p
= cpu_to_be32(NFS4_OPEN_CREATE
);
1408 encode_createmode(xdr
, arg
);
1412 static inline void encode_delegation_type(struct xdr_stream
*xdr
, fmode_t delegation_type
)
1416 p
= reserve_space(xdr
, 4);
1417 switch (delegation_type
) {
1419 *p
= cpu_to_be32(NFS4_OPEN_DELEGATE_NONE
);
1422 *p
= cpu_to_be32(NFS4_OPEN_DELEGATE_READ
);
1424 case FMODE_WRITE
|FMODE_READ
:
1425 *p
= cpu_to_be32(NFS4_OPEN_DELEGATE_WRITE
);
1432 static inline void encode_claim_null(struct xdr_stream
*xdr
, const struct qstr
*name
)
1436 p
= reserve_space(xdr
, 4);
1437 *p
= cpu_to_be32(NFS4_OPEN_CLAIM_NULL
);
1438 encode_string(xdr
, name
->len
, name
->name
);
1441 static inline void encode_claim_previous(struct xdr_stream
*xdr
, fmode_t type
)
1445 p
= reserve_space(xdr
, 4);
1446 *p
= cpu_to_be32(NFS4_OPEN_CLAIM_PREVIOUS
);
1447 encode_delegation_type(xdr
, type
);
1450 static inline void encode_claim_delegate_cur(struct xdr_stream
*xdr
, const struct qstr
*name
, const nfs4_stateid
*stateid
)
1454 p
= reserve_space(xdr
, 4);
1455 *p
= cpu_to_be32(NFS4_OPEN_CLAIM_DELEGATE_CUR
);
1456 encode_nfs4_stateid(xdr
, stateid
);
1457 encode_string(xdr
, name
->len
, name
->name
);
1460 static void encode_open(struct xdr_stream
*xdr
, const struct nfs_openargs
*arg
, struct compound_hdr
*hdr
)
1462 encode_op_hdr(xdr
, OP_OPEN
, decode_open_maxsz
, hdr
);
1463 encode_openhdr(xdr
, arg
);
1464 encode_opentype(xdr
, arg
);
1465 switch (arg
->claim
) {
1466 case NFS4_OPEN_CLAIM_NULL
:
1467 encode_claim_null(xdr
, arg
->name
);
1469 case NFS4_OPEN_CLAIM_PREVIOUS
:
1470 encode_claim_previous(xdr
, arg
->u
.delegation_type
);
1472 case NFS4_OPEN_CLAIM_DELEGATE_CUR
:
1473 encode_claim_delegate_cur(xdr
, arg
->name
, &arg
->u
.delegation
);
1480 static void encode_open_confirm(struct xdr_stream
*xdr
, const struct nfs_open_confirmargs
*arg
, struct compound_hdr
*hdr
)
1482 encode_op_hdr(xdr
, OP_OPEN_CONFIRM
, decode_open_confirm_maxsz
, hdr
);
1483 encode_nfs4_stateid(xdr
, arg
->stateid
);
1484 encode_nfs4_seqid(xdr
, arg
->seqid
);
1487 static void encode_open_downgrade(struct xdr_stream
*xdr
, const struct nfs_closeargs
*arg
, struct compound_hdr
*hdr
)
1489 encode_op_hdr(xdr
, OP_OPEN_DOWNGRADE
, decode_open_downgrade_maxsz
, hdr
);
1490 encode_nfs4_stateid(xdr
, arg
->stateid
);
1491 encode_nfs4_seqid(xdr
, arg
->seqid
);
1492 encode_share_access(xdr
, arg
->fmode
);
1496 encode_putfh(struct xdr_stream
*xdr
, const struct nfs_fh
*fh
, struct compound_hdr
*hdr
)
1498 encode_op_hdr(xdr
, OP_PUTFH
, decode_putfh_maxsz
, hdr
);
1499 encode_string(xdr
, fh
->size
, fh
->data
);
1502 static void encode_putrootfh(struct xdr_stream
*xdr
, struct compound_hdr
*hdr
)
1504 encode_op_hdr(xdr
, OP_PUTROOTFH
, decode_putrootfh_maxsz
, hdr
);
1507 static void encode_open_stateid(struct xdr_stream
*xdr
,
1508 const struct nfs_open_context
*ctx
,
1509 const struct nfs_lock_context
*l_ctx
,
1513 nfs4_stateid stateid
;
1515 if (ctx
->state
!= NULL
) {
1516 const struct nfs_lockowner
*lockowner
= NULL
;
1519 lockowner
= &l_ctx
->lockowner
;
1520 nfs4_select_rw_stateid(&stateid
, ctx
->state
,
1524 encode_nfs4_stateid(xdr
, &stateid
);
1526 encode_nfs4_stateid(xdr
, &zero_stateid
);
1529 static void encode_read(struct xdr_stream
*xdr
, const struct nfs_readargs
*args
, struct compound_hdr
*hdr
)
1533 encode_op_hdr(xdr
, OP_READ
, decode_read_maxsz
, hdr
);
1534 encode_open_stateid(xdr
, args
->context
, args
->lock_context
,
1535 FMODE_READ
, hdr
->minorversion
);
1537 p
= reserve_space(xdr
, 12);
1538 p
= xdr_encode_hyper(p
, args
->offset
);
1539 *p
= cpu_to_be32(args
->count
);
1542 static void encode_readdir(struct xdr_stream
*xdr
, const struct nfs4_readdir_arg
*readdir
, struct rpc_rqst
*req
, struct compound_hdr
*hdr
)
1544 uint32_t attrs
[2] = {
1545 FATTR4_WORD0_RDATTR_ERROR
,
1546 FATTR4_WORD1_MOUNTED_ON_FILEID
,
1548 uint32_t dircount
= readdir
->count
>> 1;
1551 if (readdir
->plus
) {
1552 attrs
[0] |= FATTR4_WORD0_TYPE
|FATTR4_WORD0_CHANGE
|FATTR4_WORD0_SIZE
|
1553 FATTR4_WORD0_FSID
|FATTR4_WORD0_FILEHANDLE
|FATTR4_WORD0_FILEID
;
1554 attrs
[1] |= FATTR4_WORD1_MODE
|FATTR4_WORD1_NUMLINKS
|FATTR4_WORD1_OWNER
|
1555 FATTR4_WORD1_OWNER_GROUP
|FATTR4_WORD1_RAWDEV
|
1556 FATTR4_WORD1_SPACE_USED
|FATTR4_WORD1_TIME_ACCESS
|
1557 FATTR4_WORD1_TIME_METADATA
|FATTR4_WORD1_TIME_MODIFY
;
1560 /* Use mounted_on_fileid only if the server supports it */
1561 if (!(readdir
->bitmask
[1] & FATTR4_WORD1_MOUNTED_ON_FILEID
))
1562 attrs
[0] |= FATTR4_WORD0_FILEID
;
1564 encode_op_hdr(xdr
, OP_READDIR
, decode_readdir_maxsz
, hdr
);
1565 encode_uint64(xdr
, readdir
->cookie
);
1566 encode_nfs4_verifier(xdr
, &readdir
->verifier
);
1567 p
= reserve_space(xdr
, 20);
1568 *p
++ = cpu_to_be32(dircount
);
1569 *p
++ = cpu_to_be32(readdir
->count
);
1570 *p
++ = cpu_to_be32(2);
1572 *p
++ = cpu_to_be32(attrs
[0] & readdir
->bitmask
[0]);
1573 *p
= cpu_to_be32(attrs
[1] & readdir
->bitmask
[1]);
1574 memcpy(verf
, readdir
->verifier
.data
, sizeof(verf
));
1575 dprintk("%s: cookie = %Lu, verifier = %08x:%08x, bitmap = %08x:%08x\n",
1577 (unsigned long long)readdir
->cookie
,
1579 attrs
[0] & readdir
->bitmask
[0],
1580 attrs
[1] & readdir
->bitmask
[1]);
1583 static void encode_readlink(struct xdr_stream
*xdr
, const struct nfs4_readlink
*readlink
, struct rpc_rqst
*req
, struct compound_hdr
*hdr
)
1585 encode_op_hdr(xdr
, OP_READLINK
, decode_readlink_maxsz
, hdr
);
1588 static void encode_remove(struct xdr_stream
*xdr
, const struct qstr
*name
, struct compound_hdr
*hdr
)
1590 encode_op_hdr(xdr
, OP_REMOVE
, decode_remove_maxsz
, hdr
);
1591 encode_string(xdr
, name
->len
, name
->name
);
1594 static void encode_rename(struct xdr_stream
*xdr
, const struct qstr
*oldname
, const struct qstr
*newname
, struct compound_hdr
*hdr
)
1596 encode_op_hdr(xdr
, OP_RENAME
, decode_rename_maxsz
, hdr
);
1597 encode_string(xdr
, oldname
->len
, oldname
->name
);
1598 encode_string(xdr
, newname
->len
, newname
->name
);
1601 static void encode_renew(struct xdr_stream
*xdr
, clientid4 clid
,
1602 struct compound_hdr
*hdr
)
1604 encode_op_hdr(xdr
, OP_RENEW
, decode_renew_maxsz
, hdr
);
1605 encode_uint64(xdr
, clid
);
1609 encode_restorefh(struct xdr_stream
*xdr
, struct compound_hdr
*hdr
)
1611 encode_op_hdr(xdr
, OP_RESTOREFH
, decode_restorefh_maxsz
, hdr
);
1615 encode_setacl(struct xdr_stream
*xdr
, struct nfs_setaclargs
*arg
, struct compound_hdr
*hdr
)
1619 encode_op_hdr(xdr
, OP_SETATTR
, decode_setacl_maxsz
, hdr
);
1620 encode_nfs4_stateid(xdr
, &zero_stateid
);
1621 p
= reserve_space(xdr
, 2*4);
1622 *p
++ = cpu_to_be32(1);
1623 *p
= cpu_to_be32(FATTR4_WORD0_ACL
);
1624 BUG_ON(arg
->acl_len
% 4);
1625 p
= reserve_space(xdr
, 4);
1626 *p
= cpu_to_be32(arg
->acl_len
);
1627 xdr_write_pages(xdr
, arg
->acl_pages
, arg
->acl_pgbase
, arg
->acl_len
);
1631 encode_savefh(struct xdr_stream
*xdr
, struct compound_hdr
*hdr
)
1633 encode_op_hdr(xdr
, OP_SAVEFH
, decode_savefh_maxsz
, hdr
);
1636 static void encode_setattr(struct xdr_stream
*xdr
, const struct nfs_setattrargs
*arg
, const struct nfs_server
*server
, struct compound_hdr
*hdr
)
1638 encode_op_hdr(xdr
, OP_SETATTR
, decode_setattr_maxsz
, hdr
);
1639 encode_nfs4_stateid(xdr
, &arg
->stateid
);
1640 encode_attrs(xdr
, arg
->iap
, server
);
1643 static void encode_setclientid(struct xdr_stream
*xdr
, const struct nfs4_setclientid
*setclientid
, struct compound_hdr
*hdr
)
1647 encode_op_hdr(xdr
, OP_SETCLIENTID
, decode_setclientid_maxsz
, hdr
);
1648 encode_nfs4_verifier(xdr
, setclientid
->sc_verifier
);
1650 encode_string(xdr
, setclientid
->sc_name_len
, setclientid
->sc_name
);
1651 p
= reserve_space(xdr
, 4);
1652 *p
= cpu_to_be32(setclientid
->sc_prog
);
1653 encode_string(xdr
, setclientid
->sc_netid_len
, setclientid
->sc_netid
);
1654 encode_string(xdr
, setclientid
->sc_uaddr_len
, setclientid
->sc_uaddr
);
1655 p
= reserve_space(xdr
, 4);
1656 *p
= cpu_to_be32(setclientid
->sc_cb_ident
);
1659 static void encode_setclientid_confirm(struct xdr_stream
*xdr
, const struct nfs4_setclientid_res
*arg
, struct compound_hdr
*hdr
)
1661 encode_op_hdr(xdr
, OP_SETCLIENTID_CONFIRM
,
1662 decode_setclientid_confirm_maxsz
, hdr
);
1663 encode_uint64(xdr
, arg
->clientid
);
1664 encode_nfs4_verifier(xdr
, &arg
->confirm
);
1667 static void encode_write(struct xdr_stream
*xdr
, const struct nfs_writeargs
*args
, struct compound_hdr
*hdr
)
1671 encode_op_hdr(xdr
, OP_WRITE
, decode_write_maxsz
, hdr
);
1672 encode_open_stateid(xdr
, args
->context
, args
->lock_context
,
1673 FMODE_WRITE
, hdr
->minorversion
);
1675 p
= reserve_space(xdr
, 16);
1676 p
= xdr_encode_hyper(p
, args
->offset
);
1677 *p
++ = cpu_to_be32(args
->stable
);
1678 *p
= cpu_to_be32(args
->count
);
1680 xdr_write_pages(xdr
, args
->pages
, args
->pgbase
, args
->count
);
1683 static void encode_delegreturn(struct xdr_stream
*xdr
, const nfs4_stateid
*stateid
, struct compound_hdr
*hdr
)
1685 encode_op_hdr(xdr
, OP_DELEGRETURN
, decode_delegreturn_maxsz
, hdr
);
1686 encode_nfs4_stateid(xdr
, stateid
);
1689 static void encode_secinfo(struct xdr_stream
*xdr
, const struct qstr
*name
, struct compound_hdr
*hdr
)
1691 encode_op_hdr(xdr
, OP_SECINFO
, decode_secinfo_maxsz
, hdr
);
1692 encode_string(xdr
, name
->len
, name
->name
);
1695 #if defined(CONFIG_NFS_V4_1)
1696 /* NFSv4.1 operations */
1697 static void encode_bind_conn_to_session(struct xdr_stream
*xdr
,
1698 struct nfs4_session
*session
,
1699 struct compound_hdr
*hdr
)
1703 encode_op_hdr(xdr
, OP_BIND_CONN_TO_SESSION
,
1704 decode_bind_conn_to_session_maxsz
, hdr
);
1705 encode_opaque_fixed(xdr
, session
->sess_id
.data
, NFS4_MAX_SESSIONID_LEN
);
1706 p
= xdr_reserve_space(xdr
, 8);
1707 *p
++ = cpu_to_be32(NFS4_CDFC4_BACK_OR_BOTH
);
1708 *p
= 0; /* use_conn_in_rdma_mode = False */
1711 static void encode_exchange_id(struct xdr_stream
*xdr
,
1712 struct nfs41_exchange_id_args
*args
,
1713 struct compound_hdr
*hdr
)
1716 char impl_name
[NFS4_OPAQUE_LIMIT
];
1719 encode_op_hdr(xdr
, OP_EXCHANGE_ID
, decode_exchange_id_maxsz
, hdr
);
1720 encode_nfs4_verifier(xdr
, args
->verifier
);
1722 encode_string(xdr
, args
->id_len
, args
->id
);
1724 p
= reserve_space(xdr
, 12);
1725 *p
++ = cpu_to_be32(args
->flags
);
1726 *p
++ = cpu_to_be32(0); /* zero length state_protect4_a */
1728 if (send_implementation_id
&&
1729 sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN
) > 1 &&
1730 sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN
)
1731 <= NFS4_OPAQUE_LIMIT
+ 1)
1732 len
= snprintf(impl_name
, sizeof(impl_name
), "%s %s %s %s",
1733 utsname()->sysname
, utsname()->release
,
1734 utsname()->version
, utsname()->machine
);
1737 *p
= cpu_to_be32(1); /* implementation id array length=1 */
1740 sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN
) - 1,
1741 CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN
);
1742 encode_string(xdr
, len
, impl_name
);
1743 /* just send zeros for nii_date - the date is in nii_name */
1744 p
= reserve_space(xdr
, 12);
1745 p
= xdr_encode_hyper(p
, 0);
1746 *p
= cpu_to_be32(0);
1748 *p
= cpu_to_be32(0); /* implementation id array length=0 */
1751 static void encode_create_session(struct xdr_stream
*xdr
,
1752 struct nfs41_create_session_args
*args
,
1753 struct compound_hdr
*hdr
)
1756 char machine_name
[NFS4_MAX_MACHINE_NAME_LEN
];
1758 struct nfs_client
*clp
= args
->client
;
1759 struct nfs_net
*nn
= net_generic(clp
->cl_net
, nfs_net_id
);
1760 u32 max_resp_sz_cached
;
1763 * Assumes OPEN is the biggest non-idempotent compound.
1764 * 2 is the verifier.
1766 max_resp_sz_cached
= (NFS4_dec_open_sz
+ RPC_REPHDRSIZE
+
1767 RPC_MAX_AUTH_SIZE
+ 2) * XDR_UNIT
;
1769 len
= scnprintf(machine_name
, sizeof(machine_name
), "%s",
1772 encode_op_hdr(xdr
, OP_CREATE_SESSION
, decode_create_session_maxsz
, hdr
);
1773 p
= reserve_space(xdr
, 16 + 2*28 + 20 + len
+ 12);
1774 p
= xdr_encode_hyper(p
, clp
->cl_clientid
);
1775 *p
++ = cpu_to_be32(clp
->cl_seqid
); /*Sequence id */
1776 *p
++ = cpu_to_be32(args
->flags
); /*flags */
1779 *p
++ = cpu_to_be32(0); /* header padding size */
1780 *p
++ = cpu_to_be32(args
->fc_attrs
.max_rqst_sz
); /* max req size */
1781 *p
++ = cpu_to_be32(args
->fc_attrs
.max_resp_sz
); /* max resp size */
1782 *p
++ = cpu_to_be32(max_resp_sz_cached
); /* Max resp sz cached */
1783 *p
++ = cpu_to_be32(args
->fc_attrs
.max_ops
); /* max operations */
1784 *p
++ = cpu_to_be32(args
->fc_attrs
.max_reqs
); /* max requests */
1785 *p
++ = cpu_to_be32(0); /* rdmachannel_attrs */
1788 *p
++ = cpu_to_be32(0); /* header padding size */
1789 *p
++ = cpu_to_be32(args
->bc_attrs
.max_rqst_sz
); /* max req size */
1790 *p
++ = cpu_to_be32(args
->bc_attrs
.max_resp_sz
); /* max resp size */
1791 *p
++ = cpu_to_be32(args
->bc_attrs
.max_resp_sz_cached
); /* Max resp sz cached */
1792 *p
++ = cpu_to_be32(args
->bc_attrs
.max_ops
); /* max operations */
1793 *p
++ = cpu_to_be32(args
->bc_attrs
.max_reqs
); /* max requests */
1794 *p
++ = cpu_to_be32(0); /* rdmachannel_attrs */
1796 *p
++ = cpu_to_be32(args
->cb_program
); /* cb_program */
1797 *p
++ = cpu_to_be32(1);
1798 *p
++ = cpu_to_be32(RPC_AUTH_UNIX
); /* auth_sys */
1800 /* authsys_parms rfc1831 */
1801 *p
++ = (__be32
)nn
->boot_time
.tv_nsec
; /* stamp */
1802 p
= xdr_encode_opaque(p
, machine_name
, len
);
1803 *p
++ = cpu_to_be32(0); /* UID */
1804 *p
++ = cpu_to_be32(0); /* GID */
1805 *p
= cpu_to_be32(0); /* No more gids */
1808 static void encode_destroy_session(struct xdr_stream
*xdr
,
1809 struct nfs4_session
*session
,
1810 struct compound_hdr
*hdr
)
1812 encode_op_hdr(xdr
, OP_DESTROY_SESSION
, decode_destroy_session_maxsz
, hdr
);
1813 encode_opaque_fixed(xdr
, session
->sess_id
.data
, NFS4_MAX_SESSIONID_LEN
);
1816 static void encode_destroy_clientid(struct xdr_stream
*xdr
,
1818 struct compound_hdr
*hdr
)
1820 encode_op_hdr(xdr
, OP_DESTROY_CLIENTID
, decode_destroy_clientid_maxsz
, hdr
);
1821 encode_uint64(xdr
, clientid
);
1824 static void encode_reclaim_complete(struct xdr_stream
*xdr
,
1825 struct nfs41_reclaim_complete_args
*args
,
1826 struct compound_hdr
*hdr
)
1828 encode_op_hdr(xdr
, OP_RECLAIM_COMPLETE
, decode_reclaim_complete_maxsz
, hdr
);
1829 encode_uint32(xdr
, args
->one_fs
);
1831 #endif /* CONFIG_NFS_V4_1 */
1833 static void encode_sequence(struct xdr_stream
*xdr
,
1834 const struct nfs4_sequence_args
*args
,
1835 struct compound_hdr
*hdr
)
1837 #if defined(CONFIG_NFS_V4_1)
1838 struct nfs4_session
*session
= args
->sa_session
;
1839 struct nfs4_slot_table
*tp
;
1840 struct nfs4_slot
*slot
;
1846 tp
= &session
->fc_slot_table
;
1848 WARN_ON(args
->sa_slotid
== NFS4_MAX_SLOT_TABLE
);
1849 slot
= tp
->slots
+ args
->sa_slotid
;
1851 encode_op_hdr(xdr
, OP_SEQUENCE
, decode_sequence_maxsz
, hdr
);
1854 * Sessionid + seqid + slotid + max slotid + cache_this
1856 dprintk("%s: sessionid=%u:%u:%u:%u seqid=%d slotid=%d "
1857 "max_slotid=%d cache_this=%d\n",
1859 ((u32
*)session
->sess_id
.data
)[0],
1860 ((u32
*)session
->sess_id
.data
)[1],
1861 ((u32
*)session
->sess_id
.data
)[2],
1862 ((u32
*)session
->sess_id
.data
)[3],
1863 slot
->seq_nr
, args
->sa_slotid
,
1864 tp
->highest_used_slotid
, args
->sa_cache_this
);
1865 p
= reserve_space(xdr
, NFS4_MAX_SESSIONID_LEN
+ 16);
1866 p
= xdr_encode_opaque_fixed(p
, session
->sess_id
.data
, NFS4_MAX_SESSIONID_LEN
);
1867 *p
++ = cpu_to_be32(slot
->seq_nr
);
1868 *p
++ = cpu_to_be32(args
->sa_slotid
);
1869 *p
++ = cpu_to_be32(tp
->highest_used_slotid
);
1870 *p
= cpu_to_be32(args
->sa_cache_this
);
1871 #endif /* CONFIG_NFS_V4_1 */
1874 #ifdef CONFIG_NFS_V4_1
1876 encode_getdevicelist(struct xdr_stream
*xdr
,
1877 const struct nfs4_getdevicelist_args
*args
,
1878 struct compound_hdr
*hdr
)
1881 nfs4_verifier dummy
= {
1885 encode_op_hdr(xdr
, OP_GETDEVICELIST
, decode_getdevicelist_maxsz
, hdr
);
1886 p
= reserve_space(xdr
, 16);
1887 *p
++ = cpu_to_be32(args
->layoutclass
);
1888 *p
++ = cpu_to_be32(NFS4_PNFS_GETDEVLIST_MAXNUM
);
1889 xdr_encode_hyper(p
, 0ULL); /* cookie */
1890 encode_nfs4_verifier(xdr
, &dummy
);
1894 encode_getdeviceinfo(struct xdr_stream
*xdr
,
1895 const struct nfs4_getdeviceinfo_args
*args
,
1896 struct compound_hdr
*hdr
)
1900 encode_op_hdr(xdr
, OP_GETDEVICEINFO
, decode_getdeviceinfo_maxsz
, hdr
);
1901 p
= reserve_space(xdr
, 12 + NFS4_DEVICEID4_SIZE
);
1902 p
= xdr_encode_opaque_fixed(p
, args
->pdev
->dev_id
.data
,
1903 NFS4_DEVICEID4_SIZE
);
1904 *p
++ = cpu_to_be32(args
->pdev
->layout_type
);
1905 *p
++ = cpu_to_be32(args
->pdev
->pglen
); /* gdia_maxcount */
1906 *p
++ = cpu_to_be32(0); /* bitmap length 0 */
1910 encode_layoutget(struct xdr_stream
*xdr
,
1911 const struct nfs4_layoutget_args
*args
,
1912 struct compound_hdr
*hdr
)
1916 encode_op_hdr(xdr
, OP_LAYOUTGET
, decode_layoutget_maxsz
, hdr
);
1917 p
= reserve_space(xdr
, 36);
1918 *p
++ = cpu_to_be32(0); /* Signal layout available */
1919 *p
++ = cpu_to_be32(args
->type
);
1920 *p
++ = cpu_to_be32(args
->range
.iomode
);
1921 p
= xdr_encode_hyper(p
, args
->range
.offset
);
1922 p
= xdr_encode_hyper(p
, args
->range
.length
);
1923 p
= xdr_encode_hyper(p
, args
->minlength
);
1924 encode_nfs4_stateid(xdr
, &args
->stateid
);
1925 encode_uint32(xdr
, args
->maxcount
);
1927 dprintk("%s: 1st type:0x%x iomode:%d off:%lu len:%lu mc:%d\n",
1931 (unsigned long)args
->range
.offset
,
1932 (unsigned long)args
->range
.length
,
1937 encode_layoutcommit(struct xdr_stream
*xdr
,
1938 struct inode
*inode
,
1939 const struct nfs4_layoutcommit_args
*args
,
1940 struct compound_hdr
*hdr
)
1944 dprintk("%s: lbw: %llu type: %d\n", __func__
, args
->lastbytewritten
,
1945 NFS_SERVER(args
->inode
)->pnfs_curr_ld
->id
);
1947 encode_op_hdr(xdr
, OP_LAYOUTCOMMIT
, decode_layoutcommit_maxsz
, hdr
);
1948 p
= reserve_space(xdr
, 20);
1949 /* Only whole file layouts */
1950 p
= xdr_encode_hyper(p
, 0); /* offset */
1951 p
= xdr_encode_hyper(p
, args
->lastbytewritten
+ 1); /* length */
1952 *p
= cpu_to_be32(0); /* reclaim */
1953 encode_nfs4_stateid(xdr
, &args
->stateid
);
1954 p
= reserve_space(xdr
, 20);
1955 *p
++ = cpu_to_be32(1); /* newoffset = TRUE */
1956 p
= xdr_encode_hyper(p
, args
->lastbytewritten
);
1957 *p
++ = cpu_to_be32(0); /* Never send time_modify_changed */
1958 *p
++ = cpu_to_be32(NFS_SERVER(args
->inode
)->pnfs_curr_ld
->id
);/* type */
1960 if (NFS_SERVER(inode
)->pnfs_curr_ld
->encode_layoutcommit
)
1961 NFS_SERVER(inode
)->pnfs_curr_ld
->encode_layoutcommit(
1962 NFS_I(inode
)->layout
, xdr
, args
);
1964 encode_uint32(xdr
, 0); /* no layout-type payload */
1970 encode_layoutreturn(struct xdr_stream
*xdr
,
1971 const struct nfs4_layoutreturn_args
*args
,
1972 struct compound_hdr
*hdr
)
1976 encode_op_hdr(xdr
, OP_LAYOUTRETURN
, decode_layoutreturn_maxsz
, hdr
);
1977 p
= reserve_space(xdr
, 16);
1978 *p
++ = cpu_to_be32(0); /* reclaim. always 0 for now */
1979 *p
++ = cpu_to_be32(args
->layout_type
);
1980 *p
++ = cpu_to_be32(IOMODE_ANY
);
1981 *p
= cpu_to_be32(RETURN_FILE
);
1982 p
= reserve_space(xdr
, 16);
1983 p
= xdr_encode_hyper(p
, 0);
1984 p
= xdr_encode_hyper(p
, NFS4_MAX_UINT64
);
1985 spin_lock(&args
->inode
->i_lock
);
1986 encode_nfs4_stateid(xdr
, &args
->stateid
);
1987 spin_unlock(&args
->inode
->i_lock
);
1988 if (NFS_SERVER(args
->inode
)->pnfs_curr_ld
->encode_layoutreturn
) {
1989 NFS_SERVER(args
->inode
)->pnfs_curr_ld
->encode_layoutreturn(
1990 NFS_I(args
->inode
)->layout
, xdr
, args
);
1992 encode_uint32(xdr
, 0);
1996 encode_secinfo_no_name(struct xdr_stream
*xdr
,
1997 const struct nfs41_secinfo_no_name_args
*args
,
1998 struct compound_hdr
*hdr
)
2000 encode_op_hdr(xdr
, OP_SECINFO_NO_NAME
, decode_secinfo_no_name_maxsz
, hdr
);
2001 encode_uint32(xdr
, args
->style
);
2005 static void encode_test_stateid(struct xdr_stream
*xdr
,
2006 struct nfs41_test_stateid_args
*args
,
2007 struct compound_hdr
*hdr
)
2009 encode_op_hdr(xdr
, OP_TEST_STATEID
, decode_test_stateid_maxsz
, hdr
);
2010 encode_uint32(xdr
, 1);
2011 encode_nfs4_stateid(xdr
, args
->stateid
);
2014 static void encode_free_stateid(struct xdr_stream
*xdr
,
2015 struct nfs41_free_stateid_args
*args
,
2016 struct compound_hdr
*hdr
)
2018 encode_op_hdr(xdr
, OP_FREE_STATEID
, decode_free_stateid_maxsz
, hdr
);
2019 encode_nfs4_stateid(xdr
, args
->stateid
);
2021 #endif /* CONFIG_NFS_V4_1 */
2024 * END OF "GENERIC" ENCODE ROUTINES.
2027 static u32
nfs4_xdr_minorversion(const struct nfs4_sequence_args
*args
)
2029 #if defined(CONFIG_NFS_V4_1)
2030 if (args
->sa_session
)
2031 return args
->sa_session
->clp
->cl_mvops
->minor_version
;
2032 #endif /* CONFIG_NFS_V4_1 */
2037 * Encode an ACCESS request
2039 static void nfs4_xdr_enc_access(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2040 const struct nfs4_accessargs
*args
)
2042 struct compound_hdr hdr
= {
2043 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2046 encode_compound_hdr(xdr
, req
, &hdr
);
2047 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2048 encode_putfh(xdr
, args
->fh
, &hdr
);
2049 encode_access(xdr
, args
->access
, &hdr
);
2050 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2055 * Encode LOOKUP request
2057 static void nfs4_xdr_enc_lookup(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2058 const struct nfs4_lookup_arg
*args
)
2060 struct compound_hdr hdr
= {
2061 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2064 encode_compound_hdr(xdr
, req
, &hdr
);
2065 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2066 encode_putfh(xdr
, args
->dir_fh
, &hdr
);
2067 encode_lookup(xdr
, args
->name
, &hdr
);
2068 encode_getfh(xdr
, &hdr
);
2069 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2074 * Encode LOOKUP_ROOT request
2076 static void nfs4_xdr_enc_lookup_root(struct rpc_rqst
*req
,
2077 struct xdr_stream
*xdr
,
2078 const struct nfs4_lookup_root_arg
*args
)
2080 struct compound_hdr hdr
= {
2081 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2084 encode_compound_hdr(xdr
, req
, &hdr
);
2085 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2086 encode_putrootfh(xdr
, &hdr
);
2087 encode_getfh(xdr
, &hdr
);
2088 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2093 * Encode REMOVE request
2095 static void nfs4_xdr_enc_remove(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2096 const struct nfs_removeargs
*args
)
2098 struct compound_hdr hdr
= {
2099 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2102 encode_compound_hdr(xdr
, req
, &hdr
);
2103 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2104 encode_putfh(xdr
, args
->fh
, &hdr
);
2105 encode_remove(xdr
, &args
->name
, &hdr
);
2110 * Encode RENAME request
2112 static void nfs4_xdr_enc_rename(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2113 const struct nfs_renameargs
*args
)
2115 struct compound_hdr hdr
= {
2116 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2119 encode_compound_hdr(xdr
, req
, &hdr
);
2120 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2121 encode_putfh(xdr
, args
->old_dir
, &hdr
);
2122 encode_savefh(xdr
, &hdr
);
2123 encode_putfh(xdr
, args
->new_dir
, &hdr
);
2124 encode_rename(xdr
, args
->old_name
, args
->new_name
, &hdr
);
2129 * Encode LINK request
2131 static void nfs4_xdr_enc_link(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2132 const struct nfs4_link_arg
*args
)
2134 struct compound_hdr hdr
= {
2135 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2138 encode_compound_hdr(xdr
, req
, &hdr
);
2139 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2140 encode_putfh(xdr
, args
->fh
, &hdr
);
2141 encode_savefh(xdr
, &hdr
);
2142 encode_putfh(xdr
, args
->dir_fh
, &hdr
);
2143 encode_link(xdr
, args
->name
, &hdr
);
2144 encode_restorefh(xdr
, &hdr
);
2145 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2150 * Encode CREATE request
2152 static void nfs4_xdr_enc_create(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2153 const struct nfs4_create_arg
*args
)
2155 struct compound_hdr hdr
= {
2156 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2159 encode_compound_hdr(xdr
, req
, &hdr
);
2160 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2161 encode_putfh(xdr
, args
->dir_fh
, &hdr
);
2162 encode_create(xdr
, args
, &hdr
);
2163 encode_getfh(xdr
, &hdr
);
2164 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2169 * Encode SYMLINK request
2171 static void nfs4_xdr_enc_symlink(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2172 const struct nfs4_create_arg
*args
)
2174 nfs4_xdr_enc_create(req
, xdr
, args
);
2178 * Encode GETATTR request
2180 static void nfs4_xdr_enc_getattr(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2181 const struct nfs4_getattr_arg
*args
)
2183 struct compound_hdr hdr
= {
2184 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2187 encode_compound_hdr(xdr
, req
, &hdr
);
2188 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2189 encode_putfh(xdr
, args
->fh
, &hdr
);
2190 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2195 * Encode a CLOSE request
2197 static void nfs4_xdr_enc_close(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2198 struct nfs_closeargs
*args
)
2200 struct compound_hdr hdr
= {
2201 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2204 encode_compound_hdr(xdr
, req
, &hdr
);
2205 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2206 encode_putfh(xdr
, args
->fh
, &hdr
);
2207 encode_close(xdr
, args
, &hdr
);
2208 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2213 * Encode an OPEN request
2215 static void nfs4_xdr_enc_open(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2216 struct nfs_openargs
*args
)
2218 struct compound_hdr hdr
= {
2219 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2222 encode_compound_hdr(xdr
, req
, &hdr
);
2223 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2224 encode_putfh(xdr
, args
->fh
, &hdr
);
2225 encode_open(xdr
, args
, &hdr
);
2226 encode_getfh(xdr
, &hdr
);
2228 encode_access(xdr
, args
->access
, &hdr
);
2229 encode_getfattr_open(xdr
, args
->bitmask
, args
->open_bitmap
, &hdr
);
2234 * Encode an OPEN_CONFIRM request
2236 static void nfs4_xdr_enc_open_confirm(struct rpc_rqst
*req
,
2237 struct xdr_stream
*xdr
,
2238 struct nfs_open_confirmargs
*args
)
2240 struct compound_hdr hdr
= {
2244 encode_compound_hdr(xdr
, req
, &hdr
);
2245 encode_putfh(xdr
, args
->fh
, &hdr
);
2246 encode_open_confirm(xdr
, args
, &hdr
);
2251 * Encode an OPEN request with no attributes.
2253 static void nfs4_xdr_enc_open_noattr(struct rpc_rqst
*req
,
2254 struct xdr_stream
*xdr
,
2255 struct nfs_openargs
*args
)
2257 struct compound_hdr hdr
= {
2258 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2261 encode_compound_hdr(xdr
, req
, &hdr
);
2262 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2263 encode_putfh(xdr
, args
->fh
, &hdr
);
2264 encode_open(xdr
, args
, &hdr
);
2266 encode_access(xdr
, args
->access
, &hdr
);
2267 encode_getfattr_open(xdr
, args
->bitmask
, args
->open_bitmap
, &hdr
);
2272 * Encode an OPEN_DOWNGRADE request
2274 static void nfs4_xdr_enc_open_downgrade(struct rpc_rqst
*req
,
2275 struct xdr_stream
*xdr
,
2276 struct nfs_closeargs
*args
)
2278 struct compound_hdr hdr
= {
2279 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2282 encode_compound_hdr(xdr
, req
, &hdr
);
2283 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2284 encode_putfh(xdr
, args
->fh
, &hdr
);
2285 encode_open_downgrade(xdr
, args
, &hdr
);
2286 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2291 * Encode a LOCK request
2293 static void nfs4_xdr_enc_lock(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2294 struct nfs_lock_args
*args
)
2296 struct compound_hdr hdr
= {
2297 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2300 encode_compound_hdr(xdr
, req
, &hdr
);
2301 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2302 encode_putfh(xdr
, args
->fh
, &hdr
);
2303 encode_lock(xdr
, args
, &hdr
);
2308 * Encode a LOCKT request
2310 static void nfs4_xdr_enc_lockt(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2311 struct nfs_lockt_args
*args
)
2313 struct compound_hdr hdr
= {
2314 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2317 encode_compound_hdr(xdr
, req
, &hdr
);
2318 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2319 encode_putfh(xdr
, args
->fh
, &hdr
);
2320 encode_lockt(xdr
, args
, &hdr
);
2325 * Encode a LOCKU request
2327 static void nfs4_xdr_enc_locku(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2328 struct nfs_locku_args
*args
)
2330 struct compound_hdr hdr
= {
2331 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2334 encode_compound_hdr(xdr
, req
, &hdr
);
2335 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2336 encode_putfh(xdr
, args
->fh
, &hdr
);
2337 encode_locku(xdr
, args
, &hdr
);
2341 static void nfs4_xdr_enc_release_lockowner(struct rpc_rqst
*req
,
2342 struct xdr_stream
*xdr
,
2343 struct nfs_release_lockowner_args
*args
)
2345 struct compound_hdr hdr
= {
2349 encode_compound_hdr(xdr
, req
, &hdr
);
2350 encode_release_lockowner(xdr
, &args
->lock_owner
, &hdr
);
2355 * Encode a READLINK request
2357 static void nfs4_xdr_enc_readlink(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2358 const struct nfs4_readlink
*args
)
2360 struct compound_hdr hdr
= {
2361 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2364 encode_compound_hdr(xdr
, req
, &hdr
);
2365 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2366 encode_putfh(xdr
, args
->fh
, &hdr
);
2367 encode_readlink(xdr
, args
, req
, &hdr
);
2369 xdr_inline_pages(&req
->rq_rcv_buf
, hdr
.replen
<< 2, args
->pages
,
2370 args
->pgbase
, args
->pglen
);
2375 * Encode a READDIR request
2377 static void nfs4_xdr_enc_readdir(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2378 const struct nfs4_readdir_arg
*args
)
2380 struct compound_hdr hdr
= {
2381 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2384 encode_compound_hdr(xdr
, req
, &hdr
);
2385 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2386 encode_putfh(xdr
, args
->fh
, &hdr
);
2387 encode_readdir(xdr
, args
, req
, &hdr
);
2389 xdr_inline_pages(&req
->rq_rcv_buf
, hdr
.replen
<< 2, args
->pages
,
2390 args
->pgbase
, args
->count
);
2391 dprintk("%s: inlined page args = (%u, %p, %u, %u)\n",
2392 __func__
, hdr
.replen
<< 2, args
->pages
,
2393 args
->pgbase
, args
->count
);
2398 * Encode a READ request
2400 static void nfs4_xdr_enc_read(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2401 struct nfs_readargs
*args
)
2403 struct compound_hdr hdr
= {
2404 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2407 encode_compound_hdr(xdr
, req
, &hdr
);
2408 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2409 encode_putfh(xdr
, args
->fh
, &hdr
);
2410 encode_read(xdr
, args
, &hdr
);
2412 xdr_inline_pages(&req
->rq_rcv_buf
, hdr
.replen
<< 2,
2413 args
->pages
, args
->pgbase
, args
->count
);
2414 req
->rq_rcv_buf
.flags
|= XDRBUF_READ
;
2419 * Encode an SETATTR request
2421 static void nfs4_xdr_enc_setattr(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2422 struct nfs_setattrargs
*args
)
2424 struct compound_hdr hdr
= {
2425 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2428 encode_compound_hdr(xdr
, req
, &hdr
);
2429 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2430 encode_putfh(xdr
, args
->fh
, &hdr
);
2431 encode_setattr(xdr
, args
, args
->server
, &hdr
);
2432 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2437 * Encode a GETACL request
2439 static void nfs4_xdr_enc_getacl(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2440 struct nfs_getaclargs
*args
)
2442 struct compound_hdr hdr
= {
2443 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2447 encode_compound_hdr(xdr
, req
, &hdr
);
2448 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2449 encode_putfh(xdr
, args
->fh
, &hdr
);
2450 replen
= hdr
.replen
+ op_decode_hdr_maxsz
+ 1;
2451 encode_getattr_two(xdr
, FATTR4_WORD0_ACL
, 0, &hdr
);
2453 xdr_inline_pages(&req
->rq_rcv_buf
, replen
<< 2,
2454 args
->acl_pages
, args
->acl_pgbase
, args
->acl_len
);
2460 * Encode a WRITE request
2462 static void nfs4_xdr_enc_write(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2463 struct nfs_writeargs
*args
)
2465 struct compound_hdr hdr
= {
2466 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2469 encode_compound_hdr(xdr
, req
, &hdr
);
2470 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2471 encode_putfh(xdr
, args
->fh
, &hdr
);
2472 encode_write(xdr
, args
, &hdr
);
2473 req
->rq_snd_buf
.flags
|= XDRBUF_WRITE
;
2475 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2482 static void nfs4_xdr_enc_commit(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2483 struct nfs_commitargs
*args
)
2485 struct compound_hdr hdr
= {
2486 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2489 encode_compound_hdr(xdr
, req
, &hdr
);
2490 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2491 encode_putfh(xdr
, args
->fh
, &hdr
);
2492 encode_commit(xdr
, args
, &hdr
);
2499 static void nfs4_xdr_enc_fsinfo(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2500 struct nfs4_fsinfo_arg
*args
)
2502 struct compound_hdr hdr
= {
2503 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2506 encode_compound_hdr(xdr
, req
, &hdr
);
2507 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2508 encode_putfh(xdr
, args
->fh
, &hdr
);
2509 encode_fsinfo(xdr
, args
->bitmask
, &hdr
);
2514 * a PATHCONF request
2516 static void nfs4_xdr_enc_pathconf(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2517 const struct nfs4_pathconf_arg
*args
)
2519 struct compound_hdr hdr
= {
2520 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2523 encode_compound_hdr(xdr
, req
, &hdr
);
2524 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2525 encode_putfh(xdr
, args
->fh
, &hdr
);
2526 encode_getattr_one(xdr
, args
->bitmask
[0] & nfs4_pathconf_bitmap
[0],
2534 static void nfs4_xdr_enc_statfs(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2535 const struct nfs4_statfs_arg
*args
)
2537 struct compound_hdr hdr
= {
2538 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2541 encode_compound_hdr(xdr
, req
, &hdr
);
2542 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2543 encode_putfh(xdr
, args
->fh
, &hdr
);
2544 encode_getattr_two(xdr
, args
->bitmask
[0] & nfs4_statfs_bitmap
[0],
2545 args
->bitmask
[1] & nfs4_statfs_bitmap
[1], &hdr
);
2550 * GETATTR_BITMAP request
2552 static void nfs4_xdr_enc_server_caps(struct rpc_rqst
*req
,
2553 struct xdr_stream
*xdr
,
2554 struct nfs4_server_caps_arg
*args
)
2556 struct compound_hdr hdr
= {
2557 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2560 encode_compound_hdr(xdr
, req
, &hdr
);
2561 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2562 encode_putfh(xdr
, args
->fhandle
, &hdr
);
2563 encode_getattr_one(xdr
, FATTR4_WORD0_SUPPORTED_ATTRS
|
2564 FATTR4_WORD0_FH_EXPIRE_TYPE
|
2565 FATTR4_WORD0_LINK_SUPPORT
|
2566 FATTR4_WORD0_SYMLINK_SUPPORT
|
2567 FATTR4_WORD0_ACLSUPPORT
, &hdr
);
2574 static void nfs4_xdr_enc_renew(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2575 struct nfs_client
*clp
)
2577 struct compound_hdr hdr
= {
2581 encode_compound_hdr(xdr
, req
, &hdr
);
2582 encode_renew(xdr
, clp
->cl_clientid
, &hdr
);
2587 * a SETCLIENTID request
2589 static void nfs4_xdr_enc_setclientid(struct rpc_rqst
*req
,
2590 struct xdr_stream
*xdr
,
2591 struct nfs4_setclientid
*sc
)
2593 struct compound_hdr hdr
= {
2597 encode_compound_hdr(xdr
, req
, &hdr
);
2598 encode_setclientid(xdr
, sc
, &hdr
);
2603 * a SETCLIENTID_CONFIRM request
2605 static void nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst
*req
,
2606 struct xdr_stream
*xdr
,
2607 struct nfs4_setclientid_res
*arg
)
2609 struct compound_hdr hdr
= {
2612 const u32 lease_bitmap
[3] = { FATTR4_WORD0_LEASE_TIME
};
2614 encode_compound_hdr(xdr
, req
, &hdr
);
2615 encode_setclientid_confirm(xdr
, arg
, &hdr
);
2616 encode_putrootfh(xdr
, &hdr
);
2617 encode_fsinfo(xdr
, lease_bitmap
, &hdr
);
2622 * DELEGRETURN request
2624 static void nfs4_xdr_enc_delegreturn(struct rpc_rqst
*req
,
2625 struct xdr_stream
*xdr
,
2626 const struct nfs4_delegreturnargs
*args
)
2628 struct compound_hdr hdr
= {
2629 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2632 encode_compound_hdr(xdr
, req
, &hdr
);
2633 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2634 encode_putfh(xdr
, args
->fhandle
, &hdr
);
2635 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2636 encode_delegreturn(xdr
, args
->stateid
, &hdr
);
2641 * Encode FS_LOCATIONS request
2643 static void nfs4_xdr_enc_fs_locations(struct rpc_rqst
*req
,
2644 struct xdr_stream
*xdr
,
2645 struct nfs4_fs_locations_arg
*args
)
2647 struct compound_hdr hdr
= {
2648 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2652 encode_compound_hdr(xdr
, req
, &hdr
);
2653 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2654 encode_putfh(xdr
, args
->dir_fh
, &hdr
);
2655 encode_lookup(xdr
, args
->name
, &hdr
);
2656 replen
= hdr
.replen
; /* get the attribute into args->page */
2657 encode_fs_locations(xdr
, args
->bitmask
, &hdr
);
2659 xdr_inline_pages(&req
->rq_rcv_buf
, replen
<< 2, &args
->page
,
2665 * Encode SECINFO request
2667 static void nfs4_xdr_enc_secinfo(struct rpc_rqst
*req
,
2668 struct xdr_stream
*xdr
,
2669 struct nfs4_secinfo_arg
*args
)
2671 struct compound_hdr hdr
= {
2672 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2675 encode_compound_hdr(xdr
, req
, &hdr
);
2676 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2677 encode_putfh(xdr
, args
->dir_fh
, &hdr
);
2678 encode_secinfo(xdr
, args
->name
, &hdr
);
2682 #if defined(CONFIG_NFS_V4_1)
2684 * BIND_CONN_TO_SESSION request
2686 static void nfs4_xdr_enc_bind_conn_to_session(struct rpc_rqst
*req
,
2687 struct xdr_stream
*xdr
,
2688 struct nfs_client
*clp
)
2690 struct compound_hdr hdr
= {
2691 .minorversion
= clp
->cl_mvops
->minor_version
,
2694 encode_compound_hdr(xdr
, req
, &hdr
);
2695 encode_bind_conn_to_session(xdr
, clp
->cl_session
, &hdr
);
2700 * EXCHANGE_ID request
2702 static void nfs4_xdr_enc_exchange_id(struct rpc_rqst
*req
,
2703 struct xdr_stream
*xdr
,
2704 struct nfs41_exchange_id_args
*args
)
2706 struct compound_hdr hdr
= {
2707 .minorversion
= args
->client
->cl_mvops
->minor_version
,
2710 encode_compound_hdr(xdr
, req
, &hdr
);
2711 encode_exchange_id(xdr
, args
, &hdr
);
2716 * a CREATE_SESSION request
2718 static void nfs4_xdr_enc_create_session(struct rpc_rqst
*req
,
2719 struct xdr_stream
*xdr
,
2720 struct nfs41_create_session_args
*args
)
2722 struct compound_hdr hdr
= {
2723 .minorversion
= args
->client
->cl_mvops
->minor_version
,
2726 encode_compound_hdr(xdr
, req
, &hdr
);
2727 encode_create_session(xdr
, args
, &hdr
);
2732 * a DESTROY_SESSION request
2734 static void nfs4_xdr_enc_destroy_session(struct rpc_rqst
*req
,
2735 struct xdr_stream
*xdr
,
2736 struct nfs4_session
*session
)
2738 struct compound_hdr hdr
= {
2739 .minorversion
= session
->clp
->cl_mvops
->minor_version
,
2742 encode_compound_hdr(xdr
, req
, &hdr
);
2743 encode_destroy_session(xdr
, session
, &hdr
);
2748 * a DESTROY_CLIENTID request
2750 static void nfs4_xdr_enc_destroy_clientid(struct rpc_rqst
*req
,
2751 struct xdr_stream
*xdr
,
2752 struct nfs_client
*clp
)
2754 struct compound_hdr hdr
= {
2755 .minorversion
= clp
->cl_mvops
->minor_version
,
2758 encode_compound_hdr(xdr
, req
, &hdr
);
2759 encode_destroy_clientid(xdr
, clp
->cl_clientid
, &hdr
);
2764 * a SEQUENCE request
2766 static void nfs4_xdr_enc_sequence(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2767 struct nfs4_sequence_args
*args
)
2769 struct compound_hdr hdr
= {
2770 .minorversion
= nfs4_xdr_minorversion(args
),
2773 encode_compound_hdr(xdr
, req
, &hdr
);
2774 encode_sequence(xdr
, args
, &hdr
);
2779 * a GET_LEASE_TIME request
2781 static void nfs4_xdr_enc_get_lease_time(struct rpc_rqst
*req
,
2782 struct xdr_stream
*xdr
,
2783 struct nfs4_get_lease_time_args
*args
)
2785 struct compound_hdr hdr
= {
2786 .minorversion
= nfs4_xdr_minorversion(&args
->la_seq_args
),
2788 const u32 lease_bitmap
[3] = { FATTR4_WORD0_LEASE_TIME
};
2790 encode_compound_hdr(xdr
, req
, &hdr
);
2791 encode_sequence(xdr
, &args
->la_seq_args
, &hdr
);
2792 encode_putrootfh(xdr
, &hdr
);
2793 encode_fsinfo(xdr
, lease_bitmap
, &hdr
);
2798 * a RECLAIM_COMPLETE request
2800 static void nfs4_xdr_enc_reclaim_complete(struct rpc_rqst
*req
,
2801 struct xdr_stream
*xdr
,
2802 struct nfs41_reclaim_complete_args
*args
)
2804 struct compound_hdr hdr
= {
2805 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
)
2808 encode_compound_hdr(xdr
, req
, &hdr
);
2809 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2810 encode_reclaim_complete(xdr
, args
, &hdr
);
2815 * Encode GETDEVICELIST request
2817 static void nfs4_xdr_enc_getdevicelist(struct rpc_rqst
*req
,
2818 struct xdr_stream
*xdr
,
2819 struct nfs4_getdevicelist_args
*args
)
2821 struct compound_hdr hdr
= {
2822 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2825 encode_compound_hdr(xdr
, req
, &hdr
);
2826 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2827 encode_putfh(xdr
, args
->fh
, &hdr
);
2828 encode_getdevicelist(xdr
, args
, &hdr
);
2833 * Encode GETDEVICEINFO request
2835 static void nfs4_xdr_enc_getdeviceinfo(struct rpc_rqst
*req
,
2836 struct xdr_stream
*xdr
,
2837 struct nfs4_getdeviceinfo_args
*args
)
2839 struct compound_hdr hdr
= {
2840 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2843 encode_compound_hdr(xdr
, req
, &hdr
);
2844 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2845 encode_getdeviceinfo(xdr
, args
, &hdr
);
2847 /* set up reply kvec. Subtract notification bitmap max size (2)
2848 * so that notification bitmap is put in xdr_buf tail */
2849 xdr_inline_pages(&req
->rq_rcv_buf
, (hdr
.replen
- 2) << 2,
2850 args
->pdev
->pages
, args
->pdev
->pgbase
,
2857 * Encode LAYOUTGET request
2859 static void nfs4_xdr_enc_layoutget(struct rpc_rqst
*req
,
2860 struct xdr_stream
*xdr
,
2861 struct nfs4_layoutget_args
*args
)
2863 struct compound_hdr hdr
= {
2864 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2867 encode_compound_hdr(xdr
, req
, &hdr
);
2868 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2869 encode_putfh(xdr
, NFS_FH(args
->inode
), &hdr
);
2870 encode_layoutget(xdr
, args
, &hdr
);
2872 xdr_inline_pages(&req
->rq_rcv_buf
, hdr
.replen
<< 2,
2873 args
->layout
.pages
, 0, args
->layout
.pglen
);
2879 * Encode LAYOUTCOMMIT request
2881 static void nfs4_xdr_enc_layoutcommit(struct rpc_rqst
*req
,
2882 struct xdr_stream
*xdr
,
2883 struct nfs4_layoutcommit_args
*args
)
2885 struct nfs4_layoutcommit_data
*data
=
2886 container_of(args
, struct nfs4_layoutcommit_data
, args
);
2887 struct compound_hdr hdr
= {
2888 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2891 encode_compound_hdr(xdr
, req
, &hdr
);
2892 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2893 encode_putfh(xdr
, NFS_FH(args
->inode
), &hdr
);
2894 encode_layoutcommit(xdr
, data
->args
.inode
, args
, &hdr
);
2895 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2900 * Encode LAYOUTRETURN request
2902 static void nfs4_xdr_enc_layoutreturn(struct rpc_rqst
*req
,
2903 struct xdr_stream
*xdr
,
2904 struct nfs4_layoutreturn_args
*args
)
2906 struct compound_hdr hdr
= {
2907 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2910 encode_compound_hdr(xdr
, req
, &hdr
);
2911 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2912 encode_putfh(xdr
, NFS_FH(args
->inode
), &hdr
);
2913 encode_layoutreturn(xdr
, args
, &hdr
);
2918 * Encode SECINFO_NO_NAME request
2920 static int nfs4_xdr_enc_secinfo_no_name(struct rpc_rqst
*req
,
2921 struct xdr_stream
*xdr
,
2922 struct nfs41_secinfo_no_name_args
*args
)
2924 struct compound_hdr hdr
= {
2925 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2928 encode_compound_hdr(xdr
, req
, &hdr
);
2929 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2930 encode_putrootfh(xdr
, &hdr
);
2931 encode_secinfo_no_name(xdr
, args
, &hdr
);
2937 * Encode TEST_STATEID request
2939 static void nfs4_xdr_enc_test_stateid(struct rpc_rqst
*req
,
2940 struct xdr_stream
*xdr
,
2941 struct nfs41_test_stateid_args
*args
)
2943 struct compound_hdr hdr
= {
2944 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2947 encode_compound_hdr(xdr
, req
, &hdr
);
2948 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2949 encode_test_stateid(xdr
, args
, &hdr
);
2954 * Encode FREE_STATEID request
2956 static void nfs4_xdr_enc_free_stateid(struct rpc_rqst
*req
,
2957 struct xdr_stream
*xdr
,
2958 struct nfs41_free_stateid_args
*args
)
2960 struct compound_hdr hdr
= {
2961 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2964 encode_compound_hdr(xdr
, req
, &hdr
);
2965 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2966 encode_free_stateid(xdr
, args
, &hdr
);
2969 #endif /* CONFIG_NFS_V4_1 */
2971 static void print_overflow_msg(const char *func
, const struct xdr_stream
*xdr
)
2973 dprintk("nfs: %s: prematurely hit end of receive buffer. "
2974 "Remaining buffer length is %tu words.\n",
2975 func
, xdr
->end
- xdr
->p
);
2978 static int decode_opaque_inline(struct xdr_stream
*xdr
, unsigned int *len
, char **string
)
2982 p
= xdr_inline_decode(xdr
, 4);
2985 *len
= be32_to_cpup(p
);
2986 p
= xdr_inline_decode(xdr
, *len
);
2989 *string
= (char *)p
;
2992 print_overflow_msg(__func__
, xdr
);
2996 static int decode_compound_hdr(struct xdr_stream
*xdr
, struct compound_hdr
*hdr
)
3000 p
= xdr_inline_decode(xdr
, 8);
3003 hdr
->status
= be32_to_cpup(p
++);
3004 hdr
->taglen
= be32_to_cpup(p
);
3006 p
= xdr_inline_decode(xdr
, hdr
->taglen
+ 4);
3009 hdr
->tag
= (char *)p
;
3010 p
+= XDR_QUADLEN(hdr
->taglen
);
3011 hdr
->nops
= be32_to_cpup(p
);
3012 if (unlikely(hdr
->nops
< 1))
3013 return nfs4_stat_to_errno(hdr
->status
);
3016 print_overflow_msg(__func__
, xdr
);
3020 static int decode_op_hdr(struct xdr_stream
*xdr
, enum nfs_opnum4 expected
)
3026 p
= xdr_inline_decode(xdr
, 8);
3029 opnum
= be32_to_cpup(p
++);
3030 if (opnum
!= expected
) {
3031 dprintk("nfs: Server returned operation"
3032 " %d but we issued a request for %d\n",
3036 nfserr
= be32_to_cpup(p
);
3037 if (nfserr
!= NFS_OK
)
3038 return nfs4_stat_to_errno(nfserr
);
3041 print_overflow_msg(__func__
, xdr
);
3046 static int decode_ace(struct xdr_stream
*xdr
, void *ace
, struct nfs_client
*clp
)
3049 unsigned int strlen
;
3052 p
= xdr_inline_decode(xdr
, 12);
3054 return decode_opaque_inline(xdr
, &strlen
, &str
);
3055 print_overflow_msg(__func__
, xdr
);
3059 static int decode_attr_bitmap(struct xdr_stream
*xdr
, uint32_t *bitmap
)
3064 p
= xdr_inline_decode(xdr
, 4);
3067 bmlen
= be32_to_cpup(p
);
3069 bitmap
[0] = bitmap
[1] = bitmap
[2] = 0;
3070 p
= xdr_inline_decode(xdr
, (bmlen
<< 2));
3074 bitmap
[0] = be32_to_cpup(p
++);
3076 bitmap
[1] = be32_to_cpup(p
++);
3078 bitmap
[2] = be32_to_cpup(p
);
3083 print_overflow_msg(__func__
, xdr
);
3087 static int decode_attr_length(struct xdr_stream
*xdr
, uint32_t *attrlen
, unsigned int *savep
)
3091 p
= xdr_inline_decode(xdr
, 4);
3094 *attrlen
= be32_to_cpup(p
);
3095 *savep
= xdr_stream_pos(xdr
);
3098 print_overflow_msg(__func__
, xdr
);
3102 static int decode_attr_supported(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *bitmask
)
3104 if (likely(bitmap
[0] & FATTR4_WORD0_SUPPORTED_ATTRS
)) {
3106 ret
= decode_attr_bitmap(xdr
, bitmask
);
3107 if (unlikely(ret
< 0))
3109 bitmap
[0] &= ~FATTR4_WORD0_SUPPORTED_ATTRS
;
3111 bitmask
[0] = bitmask
[1] = bitmask
[2] = 0;
3112 dprintk("%s: bitmask=%08x:%08x:%08x\n", __func__
,
3113 bitmask
[0], bitmask
[1], bitmask
[2]);
3117 static int decode_attr_type(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *type
)
3123 if (unlikely(bitmap
[0] & (FATTR4_WORD0_TYPE
- 1U)))
3125 if (likely(bitmap
[0] & FATTR4_WORD0_TYPE
)) {
3126 p
= xdr_inline_decode(xdr
, 4);
3129 *type
= be32_to_cpup(p
);
3130 if (*type
< NF4REG
|| *type
> NF4NAMEDATTR
) {
3131 dprintk("%s: bad type %d\n", __func__
, *type
);
3134 bitmap
[0] &= ~FATTR4_WORD0_TYPE
;
3135 ret
= NFS_ATTR_FATTR_TYPE
;
3137 dprintk("%s: type=0%o\n", __func__
, nfs_type2fmt
[*type
]);
3140 print_overflow_msg(__func__
, xdr
);
3144 static int decode_attr_fh_expire_type(struct xdr_stream
*xdr
,
3145 uint32_t *bitmap
, uint32_t *type
)
3150 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FH_EXPIRE_TYPE
- 1U)))
3152 if (likely(bitmap
[0] & FATTR4_WORD0_FH_EXPIRE_TYPE
)) {
3153 p
= xdr_inline_decode(xdr
, 4);
3156 *type
= be32_to_cpup(p
);
3157 bitmap
[0] &= ~FATTR4_WORD0_FH_EXPIRE_TYPE
;
3159 dprintk("%s: expire type=0x%x\n", __func__
, *type
);
3162 print_overflow_msg(__func__
, xdr
);
3166 static int decode_attr_change(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *change
)
3172 if (unlikely(bitmap
[0] & (FATTR4_WORD0_CHANGE
- 1U)))
3174 if (likely(bitmap
[0] & FATTR4_WORD0_CHANGE
)) {
3175 p
= xdr_inline_decode(xdr
, 8);
3178 xdr_decode_hyper(p
, change
);
3179 bitmap
[0] &= ~FATTR4_WORD0_CHANGE
;
3180 ret
= NFS_ATTR_FATTR_CHANGE
;
3182 dprintk("%s: change attribute=%Lu\n", __func__
,
3183 (unsigned long long)*change
);
3186 print_overflow_msg(__func__
, xdr
);
3190 static int decode_attr_size(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *size
)
3196 if (unlikely(bitmap
[0] & (FATTR4_WORD0_SIZE
- 1U)))
3198 if (likely(bitmap
[0] & FATTR4_WORD0_SIZE
)) {
3199 p
= xdr_inline_decode(xdr
, 8);
3202 xdr_decode_hyper(p
, size
);
3203 bitmap
[0] &= ~FATTR4_WORD0_SIZE
;
3204 ret
= NFS_ATTR_FATTR_SIZE
;
3206 dprintk("%s: file size=%Lu\n", __func__
, (unsigned long long)*size
);
3209 print_overflow_msg(__func__
, xdr
);
3213 static int decode_attr_link_support(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *res
)
3218 if (unlikely(bitmap
[0] & (FATTR4_WORD0_LINK_SUPPORT
- 1U)))
3220 if (likely(bitmap
[0] & FATTR4_WORD0_LINK_SUPPORT
)) {
3221 p
= xdr_inline_decode(xdr
, 4);
3224 *res
= be32_to_cpup(p
);
3225 bitmap
[0] &= ~FATTR4_WORD0_LINK_SUPPORT
;
3227 dprintk("%s: link support=%s\n", __func__
, *res
== 0 ? "false" : "true");
3230 print_overflow_msg(__func__
, xdr
);
3234 static int decode_attr_symlink_support(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *res
)
3239 if (unlikely(bitmap
[0] & (FATTR4_WORD0_SYMLINK_SUPPORT
- 1U)))
3241 if (likely(bitmap
[0] & FATTR4_WORD0_SYMLINK_SUPPORT
)) {
3242 p
= xdr_inline_decode(xdr
, 4);
3245 *res
= be32_to_cpup(p
);
3246 bitmap
[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT
;
3248 dprintk("%s: symlink support=%s\n", __func__
, *res
== 0 ? "false" : "true");
3251 print_overflow_msg(__func__
, xdr
);
3255 static int decode_attr_fsid(struct xdr_stream
*xdr
, uint32_t *bitmap
, struct nfs_fsid
*fsid
)
3262 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FSID
- 1U)))
3264 if (likely(bitmap
[0] & FATTR4_WORD0_FSID
)) {
3265 p
= xdr_inline_decode(xdr
, 16);
3268 p
= xdr_decode_hyper(p
, &fsid
->major
);
3269 xdr_decode_hyper(p
, &fsid
->minor
);
3270 bitmap
[0] &= ~FATTR4_WORD0_FSID
;
3271 ret
= NFS_ATTR_FATTR_FSID
;
3273 dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __func__
,
3274 (unsigned long long)fsid
->major
,
3275 (unsigned long long)fsid
->minor
);
3278 print_overflow_msg(__func__
, xdr
);
3282 static int decode_attr_lease_time(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *res
)
3287 if (unlikely(bitmap
[0] & (FATTR4_WORD0_LEASE_TIME
- 1U)))
3289 if (likely(bitmap
[0] & FATTR4_WORD0_LEASE_TIME
)) {
3290 p
= xdr_inline_decode(xdr
, 4);
3293 *res
= be32_to_cpup(p
);
3294 bitmap
[0] &= ~FATTR4_WORD0_LEASE_TIME
;
3296 dprintk("%s: file size=%u\n", __func__
, (unsigned int)*res
);
3299 print_overflow_msg(__func__
, xdr
);
3303 static int decode_attr_error(struct xdr_stream
*xdr
, uint32_t *bitmap
, int32_t *res
)
3307 if (unlikely(bitmap
[0] & (FATTR4_WORD0_RDATTR_ERROR
- 1U)))
3309 if (likely(bitmap
[0] & FATTR4_WORD0_RDATTR_ERROR
)) {
3310 p
= xdr_inline_decode(xdr
, 4);
3313 bitmap
[0] &= ~FATTR4_WORD0_RDATTR_ERROR
;
3314 *res
= -be32_to_cpup(p
);
3318 print_overflow_msg(__func__
, xdr
);
3322 static int decode_attr_filehandle(struct xdr_stream
*xdr
, uint32_t *bitmap
, struct nfs_fh
*fh
)
3328 memset(fh
, 0, sizeof(*fh
));
3330 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FILEHANDLE
- 1U)))
3332 if (likely(bitmap
[0] & FATTR4_WORD0_FILEHANDLE
)) {
3333 p
= xdr_inline_decode(xdr
, 4);
3336 len
= be32_to_cpup(p
);
3337 if (len
> NFS4_FHSIZE
)
3339 p
= xdr_inline_decode(xdr
, len
);
3343 memcpy(fh
->data
, p
, len
);
3346 bitmap
[0] &= ~FATTR4_WORD0_FILEHANDLE
;
3350 print_overflow_msg(__func__
, xdr
);
3354 static int decode_attr_aclsupport(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *res
)
3358 *res
= ACL4_SUPPORT_ALLOW_ACL
|ACL4_SUPPORT_DENY_ACL
;
3359 if (unlikely(bitmap
[0] & (FATTR4_WORD0_ACLSUPPORT
- 1U)))
3361 if (likely(bitmap
[0] & FATTR4_WORD0_ACLSUPPORT
)) {
3362 p
= xdr_inline_decode(xdr
, 4);
3365 *res
= be32_to_cpup(p
);
3366 bitmap
[0] &= ~FATTR4_WORD0_ACLSUPPORT
;
3368 dprintk("%s: ACLs supported=%u\n", __func__
, (unsigned int)*res
);
3371 print_overflow_msg(__func__
, xdr
);
3375 static int decode_attr_fileid(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *fileid
)
3381 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FILEID
- 1U)))
3383 if (likely(bitmap
[0] & FATTR4_WORD0_FILEID
)) {
3384 p
= xdr_inline_decode(xdr
, 8);
3387 xdr_decode_hyper(p
, fileid
);
3388 bitmap
[0] &= ~FATTR4_WORD0_FILEID
;
3389 ret
= NFS_ATTR_FATTR_FILEID
;
3391 dprintk("%s: fileid=%Lu\n", __func__
, (unsigned long long)*fileid
);
3394 print_overflow_msg(__func__
, xdr
);
3398 static int decode_attr_mounted_on_fileid(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *fileid
)
3404 if (unlikely(bitmap
[1] & (FATTR4_WORD1_MOUNTED_ON_FILEID
- 1U)))
3406 if (likely(bitmap
[1] & FATTR4_WORD1_MOUNTED_ON_FILEID
)) {
3407 p
= xdr_inline_decode(xdr
, 8);
3410 xdr_decode_hyper(p
, fileid
);
3411 bitmap
[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID
;
3412 ret
= NFS_ATTR_FATTR_MOUNTED_ON_FILEID
;
3414 dprintk("%s: fileid=%Lu\n", __func__
, (unsigned long long)*fileid
);
3417 print_overflow_msg(__func__
, xdr
);
3421 static int decode_attr_files_avail(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
3427 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FILES_AVAIL
- 1U)))
3429 if (likely(bitmap
[0] & FATTR4_WORD0_FILES_AVAIL
)) {
3430 p
= xdr_inline_decode(xdr
, 8);
3433 xdr_decode_hyper(p
, res
);
3434 bitmap
[0] &= ~FATTR4_WORD0_FILES_AVAIL
;
3436 dprintk("%s: files avail=%Lu\n", __func__
, (unsigned long long)*res
);
3439 print_overflow_msg(__func__
, xdr
);
3443 static int decode_attr_files_free(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
3449 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FILES_FREE
- 1U)))
3451 if (likely(bitmap
[0] & FATTR4_WORD0_FILES_FREE
)) {
3452 p
= xdr_inline_decode(xdr
, 8);
3455 xdr_decode_hyper(p
, res
);
3456 bitmap
[0] &= ~FATTR4_WORD0_FILES_FREE
;
3458 dprintk("%s: files free=%Lu\n", __func__
, (unsigned long long)*res
);
3461 print_overflow_msg(__func__
, xdr
);
3465 static int decode_attr_files_total(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
3471 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FILES_TOTAL
- 1U)))
3473 if (likely(bitmap
[0] & FATTR4_WORD0_FILES_TOTAL
)) {
3474 p
= xdr_inline_decode(xdr
, 8);
3477 xdr_decode_hyper(p
, res
);
3478 bitmap
[0] &= ~FATTR4_WORD0_FILES_TOTAL
;
3480 dprintk("%s: files total=%Lu\n", __func__
, (unsigned long long)*res
);
3483 print_overflow_msg(__func__
, xdr
);
3487 static int decode_pathname(struct xdr_stream
*xdr
, struct nfs4_pathname
*path
)
3493 p
= xdr_inline_decode(xdr
, 4);
3496 n
= be32_to_cpup(p
);
3499 dprintk("pathname4: ");
3500 path
->ncomponents
= 0;
3501 while (path
->ncomponents
< n
) {
3502 struct nfs4_string
*component
= &path
->components
[path
->ncomponents
];
3503 status
= decode_opaque_inline(xdr
, &component
->len
, &component
->data
);
3504 if (unlikely(status
!= 0))
3508 (path
->ncomponents
!= n
? "/ " : ""),
3509 component
->len
, component
->data
);
3510 if (path
->ncomponents
< NFS4_PATHNAME_MAXCOMPONENTS
)
3511 path
->ncomponents
++;
3513 dprintk("cannot parse %d components in path\n", n
);
3520 /* a root pathname is sent as a zero component4 */
3521 path
->ncomponents
= 1;
3522 path
->components
[0].len
=0;
3523 path
->components
[0].data
=NULL
;
3524 dprintk("pathname4: /\n");
3527 dprintk(" status %d", status
);
3531 print_overflow_msg(__func__
, xdr
);
3535 static int decode_attr_fs_locations(struct xdr_stream
*xdr
, uint32_t *bitmap
, struct nfs4_fs_locations
*res
)
3541 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FS_LOCATIONS
-1U)))
3544 if (unlikely(!(bitmap
[0] & FATTR4_WORD0_FS_LOCATIONS
)))
3547 /* Ignore borken servers that return unrequested attrs */
3548 if (unlikely(res
== NULL
))
3550 dprintk("%s: fsroot:\n", __func__
);
3551 status
= decode_pathname(xdr
, &res
->fs_path
);
3552 if (unlikely(status
!= 0))
3554 p
= xdr_inline_decode(xdr
, 4);
3557 n
= be32_to_cpup(p
);
3560 res
->nlocations
= 0;
3561 while (res
->nlocations
< n
) {
3563 struct nfs4_fs_location
*loc
= &res
->locations
[res
->nlocations
];
3565 p
= xdr_inline_decode(xdr
, 4);
3568 m
= be32_to_cpup(p
);
3571 dprintk("%s: servers:\n", __func__
);
3572 while (loc
->nservers
< m
) {
3573 struct nfs4_string
*server
= &loc
->servers
[loc
->nservers
];
3574 status
= decode_opaque_inline(xdr
, &server
->len
, &server
->data
);
3575 if (unlikely(status
!= 0))
3577 dprintk("%s ", server
->data
);
3578 if (loc
->nservers
< NFS4_FS_LOCATION_MAXSERVERS
)
3582 dprintk("%s: using first %u of %u servers "
3583 "returned for location %u\n",
3585 NFS4_FS_LOCATION_MAXSERVERS
,
3586 m
, res
->nlocations
);
3587 for (i
= loc
->nservers
; i
< m
; i
++) {
3590 status
= decode_opaque_inline(xdr
, &len
, &data
);
3591 if (unlikely(status
!= 0))
3596 status
= decode_pathname(xdr
, &loc
->rootpath
);
3597 if (unlikely(status
!= 0))
3599 if (res
->nlocations
< NFS4_FS_LOCATIONS_MAXENTRIES
)
3602 if (res
->nlocations
!= 0)
3603 status
= NFS_ATTR_FATTR_V4_LOCATIONS
;
3605 dprintk("%s: fs_locations done, error = %d\n", __func__
, status
);
3608 print_overflow_msg(__func__
, xdr
);
3614 static int decode_attr_maxfilesize(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
3620 if (unlikely(bitmap
[0] & (FATTR4_WORD0_MAXFILESIZE
- 1U)))
3622 if (likely(bitmap
[0] & FATTR4_WORD0_MAXFILESIZE
)) {
3623 p
= xdr_inline_decode(xdr
, 8);
3626 xdr_decode_hyper(p
, res
);
3627 bitmap
[0] &= ~FATTR4_WORD0_MAXFILESIZE
;
3629 dprintk("%s: maxfilesize=%Lu\n", __func__
, (unsigned long long)*res
);
3632 print_overflow_msg(__func__
, xdr
);
3636 static int decode_attr_maxlink(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *maxlink
)
3642 if (unlikely(bitmap
[0] & (FATTR4_WORD0_MAXLINK
- 1U)))
3644 if (likely(bitmap
[0] & FATTR4_WORD0_MAXLINK
)) {
3645 p
= xdr_inline_decode(xdr
, 4);
3648 *maxlink
= be32_to_cpup(p
);
3649 bitmap
[0] &= ~FATTR4_WORD0_MAXLINK
;
3651 dprintk("%s: maxlink=%u\n", __func__
, *maxlink
);
3654 print_overflow_msg(__func__
, xdr
);
3658 static int decode_attr_maxname(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *maxname
)
3664 if (unlikely(bitmap
[0] & (FATTR4_WORD0_MAXNAME
- 1U)))
3666 if (likely(bitmap
[0] & FATTR4_WORD0_MAXNAME
)) {
3667 p
= xdr_inline_decode(xdr
, 4);
3670 *maxname
= be32_to_cpup(p
);
3671 bitmap
[0] &= ~FATTR4_WORD0_MAXNAME
;
3673 dprintk("%s: maxname=%u\n", __func__
, *maxname
);
3676 print_overflow_msg(__func__
, xdr
);
3680 static int decode_attr_maxread(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *res
)
3686 if (unlikely(bitmap
[0] & (FATTR4_WORD0_MAXREAD
- 1U)))
3688 if (likely(bitmap
[0] & FATTR4_WORD0_MAXREAD
)) {
3690 p
= xdr_inline_decode(xdr
, 8);
3693 xdr_decode_hyper(p
, &maxread
);
3694 if (maxread
> 0x7FFFFFFF)
3695 maxread
= 0x7FFFFFFF;
3696 *res
= (uint32_t)maxread
;
3697 bitmap
[0] &= ~FATTR4_WORD0_MAXREAD
;
3699 dprintk("%s: maxread=%lu\n", __func__
, (unsigned long)*res
);
3702 print_overflow_msg(__func__
, xdr
);
3706 static int decode_attr_maxwrite(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *res
)
3712 if (unlikely(bitmap
[0] & (FATTR4_WORD0_MAXWRITE
- 1U)))
3714 if (likely(bitmap
[0] & FATTR4_WORD0_MAXWRITE
)) {
3716 p
= xdr_inline_decode(xdr
, 8);
3719 xdr_decode_hyper(p
, &maxwrite
);
3720 if (maxwrite
> 0x7FFFFFFF)
3721 maxwrite
= 0x7FFFFFFF;
3722 *res
= (uint32_t)maxwrite
;
3723 bitmap
[0] &= ~FATTR4_WORD0_MAXWRITE
;
3725 dprintk("%s: maxwrite=%lu\n", __func__
, (unsigned long)*res
);
3728 print_overflow_msg(__func__
, xdr
);
3732 static int decode_attr_mode(struct xdr_stream
*xdr
, uint32_t *bitmap
, umode_t
*mode
)
3739 if (unlikely(bitmap
[1] & (FATTR4_WORD1_MODE
- 1U)))
3741 if (likely(bitmap
[1] & FATTR4_WORD1_MODE
)) {
3742 p
= xdr_inline_decode(xdr
, 4);
3745 tmp
= be32_to_cpup(p
);
3746 *mode
= tmp
& ~S_IFMT
;
3747 bitmap
[1] &= ~FATTR4_WORD1_MODE
;
3748 ret
= NFS_ATTR_FATTR_MODE
;
3750 dprintk("%s: file mode=0%o\n", __func__
, (unsigned int)*mode
);
3753 print_overflow_msg(__func__
, xdr
);
3757 static int decode_attr_nlink(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *nlink
)
3763 if (unlikely(bitmap
[1] & (FATTR4_WORD1_NUMLINKS
- 1U)))
3765 if (likely(bitmap
[1] & FATTR4_WORD1_NUMLINKS
)) {
3766 p
= xdr_inline_decode(xdr
, 4);
3769 *nlink
= be32_to_cpup(p
);
3770 bitmap
[1] &= ~FATTR4_WORD1_NUMLINKS
;
3771 ret
= NFS_ATTR_FATTR_NLINK
;
3773 dprintk("%s: nlink=%u\n", __func__
, (unsigned int)*nlink
);
3776 print_overflow_msg(__func__
, xdr
);
3780 static int decode_attr_owner(struct xdr_stream
*xdr
, uint32_t *bitmap
,
3781 const struct nfs_server
*server
, uint32_t *uid
,
3782 struct nfs4_string
*owner_name
)
3789 if (unlikely(bitmap
[1] & (FATTR4_WORD1_OWNER
- 1U)))
3791 if (likely(bitmap
[1] & FATTR4_WORD1_OWNER
)) {
3792 p
= xdr_inline_decode(xdr
, 4);
3795 len
= be32_to_cpup(p
);
3796 p
= xdr_inline_decode(xdr
, len
);
3799 if (owner_name
!= NULL
) {
3800 owner_name
->data
= kmemdup(p
, len
, GFP_NOWAIT
);
3801 if (owner_name
->data
!= NULL
) {
3802 owner_name
->len
= len
;
3803 ret
= NFS_ATTR_FATTR_OWNER_NAME
;
3805 } else if (len
< XDR_MAX_NETOBJ
) {
3806 if (nfs_map_name_to_uid(server
, (char *)p
, len
, uid
) == 0)
3807 ret
= NFS_ATTR_FATTR_OWNER
;
3809 dprintk("%s: nfs_map_name_to_uid failed!\n",
3812 dprintk("%s: name too long (%u)!\n",
3814 bitmap
[1] &= ~FATTR4_WORD1_OWNER
;
3816 dprintk("%s: uid=%d\n", __func__
, (int)*uid
);
3819 print_overflow_msg(__func__
, xdr
);
3823 static int decode_attr_group(struct xdr_stream
*xdr
, uint32_t *bitmap
,
3824 const struct nfs_server
*server
, uint32_t *gid
,
3825 struct nfs4_string
*group_name
)
3832 if (unlikely(bitmap
[1] & (FATTR4_WORD1_OWNER_GROUP
- 1U)))
3834 if (likely(bitmap
[1] & FATTR4_WORD1_OWNER_GROUP
)) {
3835 p
= xdr_inline_decode(xdr
, 4);
3838 len
= be32_to_cpup(p
);
3839 p
= xdr_inline_decode(xdr
, len
);
3842 if (group_name
!= NULL
) {
3843 group_name
->data
= kmemdup(p
, len
, GFP_NOWAIT
);
3844 if (group_name
->data
!= NULL
) {
3845 group_name
->len
= len
;
3846 ret
= NFS_ATTR_FATTR_GROUP_NAME
;
3848 } else if (len
< XDR_MAX_NETOBJ
) {
3849 if (nfs_map_group_to_gid(server
, (char *)p
, len
, gid
) == 0)
3850 ret
= NFS_ATTR_FATTR_GROUP
;
3852 dprintk("%s: nfs_map_group_to_gid failed!\n",
3855 dprintk("%s: name too long (%u)!\n",
3857 bitmap
[1] &= ~FATTR4_WORD1_OWNER_GROUP
;
3859 dprintk("%s: gid=%d\n", __func__
, (int)*gid
);
3862 print_overflow_msg(__func__
, xdr
);
3866 static int decode_attr_rdev(struct xdr_stream
*xdr
, uint32_t *bitmap
, dev_t
*rdev
)
3868 uint32_t major
= 0, minor
= 0;
3873 if (unlikely(bitmap
[1] & (FATTR4_WORD1_RAWDEV
- 1U)))
3875 if (likely(bitmap
[1] & FATTR4_WORD1_RAWDEV
)) {
3878 p
= xdr_inline_decode(xdr
, 8);
3881 major
= be32_to_cpup(p
++);
3882 minor
= be32_to_cpup(p
);
3883 tmp
= MKDEV(major
, minor
);
3884 if (MAJOR(tmp
) == major
&& MINOR(tmp
) == minor
)
3886 bitmap
[1] &= ~ FATTR4_WORD1_RAWDEV
;
3887 ret
= NFS_ATTR_FATTR_RDEV
;
3889 dprintk("%s: rdev=(0x%x:0x%x)\n", __func__
, major
, minor
);
3892 print_overflow_msg(__func__
, xdr
);
3896 static int decode_attr_space_avail(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
3902 if (unlikely(bitmap
[1] & (FATTR4_WORD1_SPACE_AVAIL
- 1U)))
3904 if (likely(bitmap
[1] & FATTR4_WORD1_SPACE_AVAIL
)) {
3905 p
= xdr_inline_decode(xdr
, 8);
3908 xdr_decode_hyper(p
, res
);
3909 bitmap
[1] &= ~FATTR4_WORD1_SPACE_AVAIL
;
3911 dprintk("%s: space avail=%Lu\n", __func__
, (unsigned long long)*res
);
3914 print_overflow_msg(__func__
, xdr
);
3918 static int decode_attr_space_free(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
3924 if (unlikely(bitmap
[1] & (FATTR4_WORD1_SPACE_FREE
- 1U)))
3926 if (likely(bitmap
[1] & FATTR4_WORD1_SPACE_FREE
)) {
3927 p
= xdr_inline_decode(xdr
, 8);
3930 xdr_decode_hyper(p
, res
);
3931 bitmap
[1] &= ~FATTR4_WORD1_SPACE_FREE
;
3933 dprintk("%s: space free=%Lu\n", __func__
, (unsigned long long)*res
);
3936 print_overflow_msg(__func__
, xdr
);
3940 static int decode_attr_space_total(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
3946 if (unlikely(bitmap
[1] & (FATTR4_WORD1_SPACE_TOTAL
- 1U)))
3948 if (likely(bitmap
[1] & FATTR4_WORD1_SPACE_TOTAL
)) {
3949 p
= xdr_inline_decode(xdr
, 8);
3952 xdr_decode_hyper(p
, res
);
3953 bitmap
[1] &= ~FATTR4_WORD1_SPACE_TOTAL
;
3955 dprintk("%s: space total=%Lu\n", __func__
, (unsigned long long)*res
);
3958 print_overflow_msg(__func__
, xdr
);
3962 static int decode_attr_space_used(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *used
)
3968 if (unlikely(bitmap
[1] & (FATTR4_WORD1_SPACE_USED
- 1U)))
3970 if (likely(bitmap
[1] & FATTR4_WORD1_SPACE_USED
)) {
3971 p
= xdr_inline_decode(xdr
, 8);
3974 xdr_decode_hyper(p
, used
);
3975 bitmap
[1] &= ~FATTR4_WORD1_SPACE_USED
;
3976 ret
= NFS_ATTR_FATTR_SPACE_USED
;
3978 dprintk("%s: space used=%Lu\n", __func__
,
3979 (unsigned long long)*used
);
3982 print_overflow_msg(__func__
, xdr
);
3986 static int decode_attr_time(struct xdr_stream
*xdr
, struct timespec
*time
)
3992 p
= xdr_inline_decode(xdr
, 12);
3995 p
= xdr_decode_hyper(p
, &sec
);
3996 nsec
= be32_to_cpup(p
);
3997 time
->tv_sec
= (time_t)sec
;
3998 time
->tv_nsec
= (long)nsec
;
4001 print_overflow_msg(__func__
, xdr
);
4005 static int decode_attr_time_access(struct xdr_stream
*xdr
, uint32_t *bitmap
, struct timespec
*time
)
4011 if (unlikely(bitmap
[1] & (FATTR4_WORD1_TIME_ACCESS
- 1U)))
4013 if (likely(bitmap
[1] & FATTR4_WORD1_TIME_ACCESS
)) {
4014 status
= decode_attr_time(xdr
, time
);
4016 status
= NFS_ATTR_FATTR_ATIME
;
4017 bitmap
[1] &= ~FATTR4_WORD1_TIME_ACCESS
;
4019 dprintk("%s: atime=%ld\n", __func__
, (long)time
->tv_sec
);
4023 static int decode_attr_time_metadata(struct xdr_stream
*xdr
, uint32_t *bitmap
, struct timespec
*time
)
4029 if (unlikely(bitmap
[1] & (FATTR4_WORD1_TIME_METADATA
- 1U)))
4031 if (likely(bitmap
[1] & FATTR4_WORD1_TIME_METADATA
)) {
4032 status
= decode_attr_time(xdr
, time
);
4034 status
= NFS_ATTR_FATTR_CTIME
;
4035 bitmap
[1] &= ~FATTR4_WORD1_TIME_METADATA
;
4037 dprintk("%s: ctime=%ld\n", __func__
, (long)time
->tv_sec
);
4041 static int decode_attr_time_delta(struct xdr_stream
*xdr
, uint32_t *bitmap
,
4042 struct timespec
*time
)
4048 if (unlikely(bitmap
[1] & (FATTR4_WORD1_TIME_DELTA
- 1U)))
4050 if (likely(bitmap
[1] & FATTR4_WORD1_TIME_DELTA
)) {
4051 status
= decode_attr_time(xdr
, time
);
4052 bitmap
[1] &= ~FATTR4_WORD1_TIME_DELTA
;
4054 dprintk("%s: time_delta=%ld %ld\n", __func__
, (long)time
->tv_sec
,
4055 (long)time
->tv_nsec
);
4059 static int decode_attr_time_modify(struct xdr_stream
*xdr
, uint32_t *bitmap
, struct timespec
*time
)
4065 if (unlikely(bitmap
[1] & (FATTR4_WORD1_TIME_MODIFY
- 1U)))
4067 if (likely(bitmap
[1] & FATTR4_WORD1_TIME_MODIFY
)) {
4068 status
= decode_attr_time(xdr
, time
);
4070 status
= NFS_ATTR_FATTR_MTIME
;
4071 bitmap
[1] &= ~FATTR4_WORD1_TIME_MODIFY
;
4073 dprintk("%s: mtime=%ld\n", __func__
, (long)time
->tv_sec
);
4077 static int verify_attr_len(struct xdr_stream
*xdr
, unsigned int savep
, uint32_t attrlen
)
4079 unsigned int attrwords
= XDR_QUADLEN(attrlen
);
4080 unsigned int nwords
= (xdr_stream_pos(xdr
) - savep
) >> 2;
4082 if (unlikely(attrwords
!= nwords
)) {
4083 dprintk("%s: server returned incorrect attribute length: "
4087 (attrwords
< nwords
) ? '<' : '>',
4094 static int decode_change_info(struct xdr_stream
*xdr
, struct nfs4_change_info
*cinfo
)
4098 p
= xdr_inline_decode(xdr
, 20);
4101 cinfo
->atomic
= be32_to_cpup(p
++);
4102 p
= xdr_decode_hyper(p
, &cinfo
->before
);
4103 xdr_decode_hyper(p
, &cinfo
->after
);
4106 print_overflow_msg(__func__
, xdr
);
4110 static int decode_access(struct xdr_stream
*xdr
, u32
*supported
, u32
*access
)
4116 status
= decode_op_hdr(xdr
, OP_ACCESS
);
4119 p
= xdr_inline_decode(xdr
, 8);
4122 supp
= be32_to_cpup(p
++);
4123 acc
= be32_to_cpup(p
);
4128 print_overflow_msg(__func__
, xdr
);
4132 static int decode_opaque_fixed(struct xdr_stream
*xdr
, void *buf
, size_t len
)
4136 p
= xdr_inline_decode(xdr
, len
);
4138 memcpy(buf
, p
, len
);
4141 print_overflow_msg(__func__
, xdr
);
4145 static int decode_stateid(struct xdr_stream
*xdr
, nfs4_stateid
*stateid
)
4147 return decode_opaque_fixed(xdr
, stateid
, NFS4_STATEID_SIZE
);
4150 static int decode_close(struct xdr_stream
*xdr
, struct nfs_closeres
*res
)
4154 status
= decode_op_hdr(xdr
, OP_CLOSE
);
4156 nfs_increment_open_seqid(status
, res
->seqid
);
4158 status
= decode_stateid(xdr
, &res
->stateid
);
4162 static int decode_verifier(struct xdr_stream
*xdr
, void *verifier
)
4164 return decode_opaque_fixed(xdr
, verifier
, NFS4_VERIFIER_SIZE
);
4167 static int decode_write_verifier(struct xdr_stream
*xdr
, struct nfs_write_verifier
*verifier
)
4169 return decode_opaque_fixed(xdr
, verifier
->data
, NFS4_VERIFIER_SIZE
);
4172 static int decode_commit(struct xdr_stream
*xdr
, struct nfs_commitres
*res
)
4176 status
= decode_op_hdr(xdr
, OP_COMMIT
);
4178 status
= decode_write_verifier(xdr
, &res
->verf
->verifier
);
4182 static int decode_create(struct xdr_stream
*xdr
, struct nfs4_change_info
*cinfo
)
4188 status
= decode_op_hdr(xdr
, OP_CREATE
);
4191 if ((status
= decode_change_info(xdr
, cinfo
)))
4193 p
= xdr_inline_decode(xdr
, 4);
4196 bmlen
= be32_to_cpup(p
);
4197 p
= xdr_inline_decode(xdr
, bmlen
<< 2);
4201 print_overflow_msg(__func__
, xdr
);
4205 static int decode_server_caps(struct xdr_stream
*xdr
, struct nfs4_server_caps_res
*res
)
4208 uint32_t attrlen
, bitmap
[3] = {0};
4211 if ((status
= decode_op_hdr(xdr
, OP_GETATTR
)) != 0)
4213 if ((status
= decode_attr_bitmap(xdr
, bitmap
)) != 0)
4215 if ((status
= decode_attr_length(xdr
, &attrlen
, &savep
)) != 0)
4217 if ((status
= decode_attr_supported(xdr
, bitmap
, res
->attr_bitmask
)) != 0)
4219 if ((status
= decode_attr_fh_expire_type(xdr
, bitmap
,
4220 &res
->fh_expire_type
)) != 0)
4222 if ((status
= decode_attr_link_support(xdr
, bitmap
, &res
->has_links
)) != 0)
4224 if ((status
= decode_attr_symlink_support(xdr
, bitmap
, &res
->has_symlinks
)) != 0)
4226 if ((status
= decode_attr_aclsupport(xdr
, bitmap
, &res
->acl_bitmask
)) != 0)
4228 status
= verify_attr_len(xdr
, savep
, attrlen
);
4230 dprintk("%s: xdr returned %d!\n", __func__
, -status
);
4234 static int decode_statfs(struct xdr_stream
*xdr
, struct nfs_fsstat
*fsstat
)
4237 uint32_t attrlen
, bitmap
[3] = {0};
4240 if ((status
= decode_op_hdr(xdr
, OP_GETATTR
)) != 0)
4242 if ((status
= decode_attr_bitmap(xdr
, bitmap
)) != 0)
4244 if ((status
= decode_attr_length(xdr
, &attrlen
, &savep
)) != 0)
4247 if ((status
= decode_attr_files_avail(xdr
, bitmap
, &fsstat
->afiles
)) != 0)
4249 if ((status
= decode_attr_files_free(xdr
, bitmap
, &fsstat
->ffiles
)) != 0)
4251 if ((status
= decode_attr_files_total(xdr
, bitmap
, &fsstat
->tfiles
)) != 0)
4253 if ((status
= decode_attr_space_avail(xdr
, bitmap
, &fsstat
->abytes
)) != 0)
4255 if ((status
= decode_attr_space_free(xdr
, bitmap
, &fsstat
->fbytes
)) != 0)
4257 if ((status
= decode_attr_space_total(xdr
, bitmap
, &fsstat
->tbytes
)) != 0)
4260 status
= verify_attr_len(xdr
, savep
, attrlen
);
4262 dprintk("%s: xdr returned %d!\n", __func__
, -status
);
4266 static int decode_pathconf(struct xdr_stream
*xdr
, struct nfs_pathconf
*pathconf
)
4269 uint32_t attrlen
, bitmap
[3] = {0};
4272 if ((status
= decode_op_hdr(xdr
, OP_GETATTR
)) != 0)
4274 if ((status
= decode_attr_bitmap(xdr
, bitmap
)) != 0)
4276 if ((status
= decode_attr_length(xdr
, &attrlen
, &savep
)) != 0)
4279 if ((status
= decode_attr_maxlink(xdr
, bitmap
, &pathconf
->max_link
)) != 0)
4281 if ((status
= decode_attr_maxname(xdr
, bitmap
, &pathconf
->max_namelen
)) != 0)
4284 status
= verify_attr_len(xdr
, savep
, attrlen
);
4286 dprintk("%s: xdr returned %d!\n", __func__
, -status
);
4290 static int decode_threshold_hint(struct xdr_stream
*xdr
,
4298 if (likely(bitmap
[0] & hint_bit
)) {
4299 p
= xdr_inline_decode(xdr
, 8);
4302 xdr_decode_hyper(p
, res
);
4306 print_overflow_msg(__func__
, xdr
);
4310 static int decode_first_threshold_item4(struct xdr_stream
*xdr
,
4311 struct nfs4_threshold
*res
)
4315 uint32_t bitmap
[3] = {0,}, attrlen
;
4319 p
= xdr_inline_decode(xdr
, 4);
4321 print_overflow_msg(__func__
, xdr
);
4324 res
->l_type
= be32_to_cpup(p
);
4326 /* thi_hintset bitmap */
4327 status
= decode_attr_bitmap(xdr
, bitmap
);
4331 /* thi_hintlist length */
4332 status
= decode_attr_length(xdr
, &attrlen
, &savep
);
4336 status
= decode_threshold_hint(xdr
, bitmap
, &res
->rd_sz
, THRESHOLD_RD
);
4339 status
= decode_threshold_hint(xdr
, bitmap
, &res
->wr_sz
, THRESHOLD_WR
);
4342 status
= decode_threshold_hint(xdr
, bitmap
, &res
->rd_io_sz
,
4346 status
= decode_threshold_hint(xdr
, bitmap
, &res
->wr_io_sz
,
4351 status
= verify_attr_len(xdr
, savep
, attrlen
);
4352 res
->bm
= bitmap
[0];
4354 dprintk("%s bm=0x%x rd_sz=%llu wr_sz=%llu rd_io=%llu wr_io=%llu\n",
4355 __func__
, res
->bm
, res
->rd_sz
, res
->wr_sz
, res
->rd_io_sz
,
4358 dprintk("%s ret=%d!\n", __func__
, status
);
4363 * Thresholds on pNFS direct I/O vrs MDS I/O
4365 static int decode_attr_mdsthreshold(struct xdr_stream
*xdr
,
4367 struct nfs4_threshold
*res
)
4373 if (unlikely(bitmap
[2] & (FATTR4_WORD2_MDSTHRESHOLD
- 1U)))
4375 if (bitmap
[2] & FATTR4_WORD2_MDSTHRESHOLD
) {
4376 /* Did the server return an unrequested attribute? */
4377 if (unlikely(res
== NULL
))
4379 p
= xdr_inline_decode(xdr
, 4);
4382 num
= be32_to_cpup(p
);
4386 printk(KERN_INFO
"%s: Warning: Multiple pNFS layout "
4387 "drivers per filesystem not supported\n",
4390 status
= decode_first_threshold_item4(xdr
, res
);
4391 bitmap
[2] &= ~FATTR4_WORD2_MDSTHRESHOLD
;
4395 print_overflow_msg(__func__
, xdr
);
4399 static int decode_getfattr_attrs(struct xdr_stream
*xdr
, uint32_t *bitmap
,
4400 struct nfs_fattr
*fattr
, struct nfs_fh
*fh
,
4401 struct nfs4_fs_locations
*fs_loc
,
4402 const struct nfs_server
*server
)
4409 status
= decode_attr_type(xdr
, bitmap
, &type
);
4414 fattr
->mode
|= nfs_type2fmt
[type
];
4415 fattr
->valid
|= status
;
4418 status
= decode_attr_change(xdr
, bitmap
, &fattr
->change_attr
);
4421 fattr
->valid
|= status
;
4423 status
= decode_attr_size(xdr
, bitmap
, &fattr
->size
);
4426 fattr
->valid
|= status
;
4428 status
= decode_attr_fsid(xdr
, bitmap
, &fattr
->fsid
);
4431 fattr
->valid
|= status
;
4434 status
= decode_attr_error(xdr
, bitmap
, &err
);
4438 status
= decode_attr_filehandle(xdr
, bitmap
, fh
);
4442 status
= decode_attr_fileid(xdr
, bitmap
, &fattr
->fileid
);
4445 fattr
->valid
|= status
;
4447 status
= decode_attr_fs_locations(xdr
, bitmap
, fs_loc
);
4450 fattr
->valid
|= status
;
4452 status
= decode_attr_mode(xdr
, bitmap
, &fmode
);
4456 fattr
->mode
|= fmode
;
4457 fattr
->valid
|= status
;
4460 status
= decode_attr_nlink(xdr
, bitmap
, &fattr
->nlink
);
4463 fattr
->valid
|= status
;
4465 status
= decode_attr_owner(xdr
, bitmap
, server
, &fattr
->uid
, fattr
->owner_name
);
4468 fattr
->valid
|= status
;
4470 status
= decode_attr_group(xdr
, bitmap
, server
, &fattr
->gid
, fattr
->group_name
);
4473 fattr
->valid
|= status
;
4475 status
= decode_attr_rdev(xdr
, bitmap
, &fattr
->rdev
);
4478 fattr
->valid
|= status
;
4480 status
= decode_attr_space_used(xdr
, bitmap
, &fattr
->du
.nfs3
.used
);
4483 fattr
->valid
|= status
;
4485 status
= decode_attr_time_access(xdr
, bitmap
, &fattr
->atime
);
4488 fattr
->valid
|= status
;
4490 status
= decode_attr_time_metadata(xdr
, bitmap
, &fattr
->ctime
);
4493 fattr
->valid
|= status
;
4495 status
= decode_attr_time_modify(xdr
, bitmap
, &fattr
->mtime
);
4498 fattr
->valid
|= status
;
4500 status
= decode_attr_mounted_on_fileid(xdr
, bitmap
, &fattr
->mounted_on_fileid
);
4503 fattr
->valid
|= status
;
4505 status
= decode_attr_mdsthreshold(xdr
, bitmap
, fattr
->mdsthreshold
);
4510 dprintk("%s: xdr returned %d\n", __func__
, -status
);
4514 static int decode_getfattr_generic(struct xdr_stream
*xdr
, struct nfs_fattr
*fattr
,
4515 struct nfs_fh
*fh
, struct nfs4_fs_locations
*fs_loc
,
4516 const struct nfs_server
*server
)
4523 status
= decode_op_hdr(xdr
, OP_GETATTR
);
4527 status
= decode_attr_bitmap(xdr
, bitmap
);
4531 status
= decode_attr_length(xdr
, &attrlen
, &savep
);
4535 status
= decode_getfattr_attrs(xdr
, bitmap
, fattr
, fh
, fs_loc
, server
);
4539 status
= verify_attr_len(xdr
, savep
, attrlen
);
4541 dprintk("%s: xdr returned %d\n", __func__
, -status
);
4545 static int decode_getfattr(struct xdr_stream
*xdr
, struct nfs_fattr
*fattr
,
4546 const struct nfs_server
*server
)
4548 return decode_getfattr_generic(xdr
, fattr
, NULL
, NULL
, server
);
4552 * Decode potentially multiple layout types. Currently we only support
4553 * one layout driver per file system.
4555 static int decode_first_pnfs_layout_type(struct xdr_stream
*xdr
,
4556 uint32_t *layouttype
)
4561 p
= xdr_inline_decode(xdr
, 4);
4564 num
= be32_to_cpup(p
);
4566 /* pNFS is not supported by the underlying file system */
4572 printk(KERN_INFO
"NFS: %s: Warning: Multiple pNFS layout "
4573 "drivers per filesystem not supported\n", __func__
);
4575 /* Decode and set first layout type, move xdr->p past unused types */
4576 p
= xdr_inline_decode(xdr
, num
* 4);
4579 *layouttype
= be32_to_cpup(p
);
4582 print_overflow_msg(__func__
, xdr
);
4587 * The type of file system exported.
4588 * Note we must ensure that layouttype is set in any non-error case.
4590 static int decode_attr_pnfstype(struct xdr_stream
*xdr
, uint32_t *bitmap
,
4591 uint32_t *layouttype
)
4595 dprintk("%s: bitmap is %x\n", __func__
, bitmap
[1]);
4596 if (unlikely(bitmap
[1] & (FATTR4_WORD1_FS_LAYOUT_TYPES
- 1U)))
4598 if (bitmap
[1] & FATTR4_WORD1_FS_LAYOUT_TYPES
) {
4599 status
= decode_first_pnfs_layout_type(xdr
, layouttype
);
4600 bitmap
[1] &= ~FATTR4_WORD1_FS_LAYOUT_TYPES
;
4607 * The prefered block size for layout directed io
4609 static int decode_attr_layout_blksize(struct xdr_stream
*xdr
, uint32_t *bitmap
,
4614 dprintk("%s: bitmap is %x\n", __func__
, bitmap
[2]);
4616 if (bitmap
[2] & FATTR4_WORD2_LAYOUT_BLKSIZE
) {
4617 p
= xdr_inline_decode(xdr
, 4);
4619 print_overflow_msg(__func__
, xdr
);
4622 *res
= be32_to_cpup(p
);
4623 bitmap
[2] &= ~FATTR4_WORD2_LAYOUT_BLKSIZE
;
4628 static int decode_fsinfo(struct xdr_stream
*xdr
, struct nfs_fsinfo
*fsinfo
)
4631 uint32_t attrlen
, bitmap
[3];
4634 if ((status
= decode_op_hdr(xdr
, OP_GETATTR
)) != 0)
4636 if ((status
= decode_attr_bitmap(xdr
, bitmap
)) != 0)
4638 if ((status
= decode_attr_length(xdr
, &attrlen
, &savep
)) != 0)
4641 fsinfo
->rtmult
= fsinfo
->wtmult
= 512; /* ??? */
4643 if ((status
= decode_attr_lease_time(xdr
, bitmap
, &fsinfo
->lease_time
)) != 0)
4645 if ((status
= decode_attr_maxfilesize(xdr
, bitmap
, &fsinfo
->maxfilesize
)) != 0)
4647 if ((status
= decode_attr_maxread(xdr
, bitmap
, &fsinfo
->rtmax
)) != 0)
4649 fsinfo
->rtpref
= fsinfo
->dtpref
= fsinfo
->rtmax
;
4650 if ((status
= decode_attr_maxwrite(xdr
, bitmap
, &fsinfo
->wtmax
)) != 0)
4652 fsinfo
->wtpref
= fsinfo
->wtmax
;
4653 status
= decode_attr_time_delta(xdr
, bitmap
, &fsinfo
->time_delta
);
4656 status
= decode_attr_pnfstype(xdr
, bitmap
, &fsinfo
->layouttype
);
4659 status
= decode_attr_layout_blksize(xdr
, bitmap
, &fsinfo
->blksize
);
4663 status
= verify_attr_len(xdr
, savep
, attrlen
);
4665 dprintk("%s: xdr returned %d!\n", __func__
, -status
);
4669 static int decode_getfh(struct xdr_stream
*xdr
, struct nfs_fh
*fh
)
4675 /* Zero handle first to allow comparisons */
4676 memset(fh
, 0, sizeof(*fh
));
4678 status
= decode_op_hdr(xdr
, OP_GETFH
);
4682 p
= xdr_inline_decode(xdr
, 4);
4685 len
= be32_to_cpup(p
);
4686 if (len
> NFS4_FHSIZE
)
4689 p
= xdr_inline_decode(xdr
, len
);
4692 memcpy(fh
->data
, p
, len
);
4695 print_overflow_msg(__func__
, xdr
);
4699 static int decode_link(struct xdr_stream
*xdr
, struct nfs4_change_info
*cinfo
)
4703 status
= decode_op_hdr(xdr
, OP_LINK
);
4706 return decode_change_info(xdr
, cinfo
);
4710 * We create the owner, so we know a proper owner.id length is 4.
4712 static int decode_lock_denied (struct xdr_stream
*xdr
, struct file_lock
*fl
)
4714 uint64_t offset
, length
, clientid
;
4716 uint32_t namelen
, type
;
4718 p
= xdr_inline_decode(xdr
, 32); /* read 32 bytes */
4721 p
= xdr_decode_hyper(p
, &offset
); /* read 2 8-byte long words */
4722 p
= xdr_decode_hyper(p
, &length
);
4723 type
= be32_to_cpup(p
++); /* 4 byte read */
4724 if (fl
!= NULL
) { /* manipulate file lock */
4725 fl
->fl_start
= (loff_t
)offset
;
4726 fl
->fl_end
= fl
->fl_start
+ (loff_t
)length
- 1;
4727 if (length
== ~(uint64_t)0)
4728 fl
->fl_end
= OFFSET_MAX
;
4729 fl
->fl_type
= F_WRLCK
;
4731 fl
->fl_type
= F_RDLCK
;
4734 p
= xdr_decode_hyper(p
, &clientid
); /* read 8 bytes */
4735 namelen
= be32_to_cpup(p
); /* read 4 bytes */ /* have read all 32 bytes now */
4736 p
= xdr_inline_decode(xdr
, namelen
); /* variable size field */
4738 return -NFS4ERR_DENIED
;
4740 print_overflow_msg(__func__
, xdr
);
4744 static int decode_lock(struct xdr_stream
*xdr
, struct nfs_lock_res
*res
)
4748 status
= decode_op_hdr(xdr
, OP_LOCK
);
4752 status
= decode_stateid(xdr
, &res
->stateid
);
4753 if (unlikely(status
))
4755 } else if (status
== -NFS4ERR_DENIED
)
4756 status
= decode_lock_denied(xdr
, NULL
);
4757 if (res
->open_seqid
!= NULL
)
4758 nfs_increment_open_seqid(status
, res
->open_seqid
);
4759 nfs_increment_lock_seqid(status
, res
->lock_seqid
);
4764 static int decode_lockt(struct xdr_stream
*xdr
, struct nfs_lockt_res
*res
)
4767 status
= decode_op_hdr(xdr
, OP_LOCKT
);
4768 if (status
== -NFS4ERR_DENIED
)
4769 return decode_lock_denied(xdr
, res
->denied
);
4773 static int decode_locku(struct xdr_stream
*xdr
, struct nfs_locku_res
*res
)
4777 status
= decode_op_hdr(xdr
, OP_LOCKU
);
4779 nfs_increment_lock_seqid(status
, res
->seqid
);
4781 status
= decode_stateid(xdr
, &res
->stateid
);
4785 static int decode_release_lockowner(struct xdr_stream
*xdr
)
4787 return decode_op_hdr(xdr
, OP_RELEASE_LOCKOWNER
);
4790 static int decode_lookup(struct xdr_stream
*xdr
)
4792 return decode_op_hdr(xdr
, OP_LOOKUP
);
4795 /* This is too sick! */
4796 static int decode_space_limit(struct xdr_stream
*xdr
, u64
*maxsize
)
4799 uint32_t limit_type
, nblocks
, blocksize
;
4801 p
= xdr_inline_decode(xdr
, 12);
4804 limit_type
= be32_to_cpup(p
++);
4805 switch (limit_type
) {
4807 xdr_decode_hyper(p
, maxsize
);
4810 nblocks
= be32_to_cpup(p
++);
4811 blocksize
= be32_to_cpup(p
);
4812 *maxsize
= (uint64_t)nblocks
* (uint64_t)blocksize
;
4816 print_overflow_msg(__func__
, xdr
);
4820 static int decode_delegation(struct xdr_stream
*xdr
, struct nfs_openres
*res
)
4823 uint32_t delegation_type
;
4826 p
= xdr_inline_decode(xdr
, 4);
4829 delegation_type
= be32_to_cpup(p
);
4830 if (delegation_type
== NFS4_OPEN_DELEGATE_NONE
) {
4831 res
->delegation_type
= 0;
4834 status
= decode_stateid(xdr
, &res
->delegation
);
4835 if (unlikely(status
))
4837 p
= xdr_inline_decode(xdr
, 4);
4840 res
->do_recall
= be32_to_cpup(p
);
4842 switch (delegation_type
) {
4843 case NFS4_OPEN_DELEGATE_READ
:
4844 res
->delegation_type
= FMODE_READ
;
4846 case NFS4_OPEN_DELEGATE_WRITE
:
4847 res
->delegation_type
= FMODE_WRITE
|FMODE_READ
;
4848 if (decode_space_limit(xdr
, &res
->maxsize
) < 0)
4851 return decode_ace(xdr
, NULL
, res
->server
->nfs_client
);
4853 print_overflow_msg(__func__
, xdr
);
4857 static int decode_open(struct xdr_stream
*xdr
, struct nfs_openres
*res
)
4860 uint32_t savewords
, bmlen
, i
;
4863 status
= decode_op_hdr(xdr
, OP_OPEN
);
4865 nfs_increment_open_seqid(status
, res
->seqid
);
4867 status
= decode_stateid(xdr
, &res
->stateid
);
4868 if (unlikely(status
))
4871 decode_change_info(xdr
, &res
->cinfo
);
4873 p
= xdr_inline_decode(xdr
, 8);
4876 res
->rflags
= be32_to_cpup(p
++);
4877 bmlen
= be32_to_cpup(p
);
4881 p
= xdr_inline_decode(xdr
, bmlen
<< 2);
4884 savewords
= min_t(uint32_t, bmlen
, NFS4_BITMAP_SIZE
);
4885 for (i
= 0; i
< savewords
; ++i
)
4886 res
->attrset
[i
] = be32_to_cpup(p
++);
4887 for (; i
< NFS4_BITMAP_SIZE
; i
++)
4888 res
->attrset
[i
] = 0;
4890 return decode_delegation(xdr
, res
);
4892 dprintk("%s: Bitmap too large! Length = %u\n", __func__
, bmlen
);
4895 print_overflow_msg(__func__
, xdr
);
4899 static int decode_open_confirm(struct xdr_stream
*xdr
, struct nfs_open_confirmres
*res
)
4903 status
= decode_op_hdr(xdr
, OP_OPEN_CONFIRM
);
4905 nfs_increment_open_seqid(status
, res
->seqid
);
4907 status
= decode_stateid(xdr
, &res
->stateid
);
4911 static int decode_open_downgrade(struct xdr_stream
*xdr
, struct nfs_closeres
*res
)
4915 status
= decode_op_hdr(xdr
, OP_OPEN_DOWNGRADE
);
4917 nfs_increment_open_seqid(status
, res
->seqid
);
4919 status
= decode_stateid(xdr
, &res
->stateid
);
4923 static int decode_putfh(struct xdr_stream
*xdr
)
4925 return decode_op_hdr(xdr
, OP_PUTFH
);
4928 static int decode_putrootfh(struct xdr_stream
*xdr
)
4930 return decode_op_hdr(xdr
, OP_PUTROOTFH
);
4933 static int decode_read(struct xdr_stream
*xdr
, struct rpc_rqst
*req
, struct nfs_readres
*res
)
4936 uint32_t count
, eof
, recvd
;
4939 status
= decode_op_hdr(xdr
, OP_READ
);
4942 p
= xdr_inline_decode(xdr
, 8);
4945 eof
= be32_to_cpup(p
++);
4946 count
= be32_to_cpup(p
);
4947 recvd
= xdr_read_pages(xdr
, count
);
4948 if (count
> recvd
) {
4949 dprintk("NFS: server cheating in read reply: "
4950 "count %u > recvd %u\n", count
, recvd
);
4958 print_overflow_msg(__func__
, xdr
);
4962 static int decode_readdir(struct xdr_stream
*xdr
, struct rpc_rqst
*req
, struct nfs4_readdir_res
*readdir
)
4967 status
= decode_op_hdr(xdr
, OP_READDIR
);
4969 status
= decode_verifier(xdr
, readdir
->verifier
.data
);
4970 if (unlikely(status
))
4972 memcpy(verf
, readdir
->verifier
.data
, sizeof(verf
));
4973 dprintk("%s: verifier = %08x:%08x\n",
4974 __func__
, verf
[0], verf
[1]);
4975 return xdr_read_pages(xdr
, xdr
->buf
->page_len
);
4978 static int decode_readlink(struct xdr_stream
*xdr
, struct rpc_rqst
*req
)
4980 struct xdr_buf
*rcvbuf
= &req
->rq_rcv_buf
;
4985 status
= decode_op_hdr(xdr
, OP_READLINK
);
4989 /* Convert length of symlink */
4990 p
= xdr_inline_decode(xdr
, 4);
4993 len
= be32_to_cpup(p
);
4994 if (len
>= rcvbuf
->page_len
|| len
<= 0) {
4995 dprintk("nfs: server returned giant symlink!\n");
4996 return -ENAMETOOLONG
;
4998 recvd
= xdr_read_pages(xdr
, len
);
5000 dprintk("NFS: server cheating in readlink reply: "
5001 "count %u > recvd %u\n", len
, recvd
);
5005 * The XDR encode routine has set things up so that
5006 * the link text will be copied directly into the
5007 * buffer. We just have to do overflow-checking,
5008 * and and null-terminate the text (the VFS expects
5009 * null-termination).
5011 xdr_terminate_string(rcvbuf
, len
);
5014 print_overflow_msg(__func__
, xdr
);
5018 static int decode_remove(struct xdr_stream
*xdr
, struct nfs4_change_info
*cinfo
)
5022 status
= decode_op_hdr(xdr
, OP_REMOVE
);
5025 status
= decode_change_info(xdr
, cinfo
);
5030 static int decode_rename(struct xdr_stream
*xdr
, struct nfs4_change_info
*old_cinfo
,
5031 struct nfs4_change_info
*new_cinfo
)
5035 status
= decode_op_hdr(xdr
, OP_RENAME
);
5038 if ((status
= decode_change_info(xdr
, old_cinfo
)))
5040 status
= decode_change_info(xdr
, new_cinfo
);
5045 static int decode_renew(struct xdr_stream
*xdr
)
5047 return decode_op_hdr(xdr
, OP_RENEW
);
5051 decode_restorefh(struct xdr_stream
*xdr
)
5053 return decode_op_hdr(xdr
, OP_RESTOREFH
);
5056 static int decode_getacl(struct xdr_stream
*xdr
, struct rpc_rqst
*req
,
5057 struct nfs_getaclres
*res
)
5063 unsigned int pg_offset
;
5066 if ((status
= decode_op_hdr(xdr
, OP_GETATTR
)) != 0)
5069 xdr_enter_page(xdr
, xdr
->buf
->page_len
);
5071 /* Calculate the offset of the page data */
5072 pg_offset
= xdr
->buf
->head
[0].iov_len
;
5074 if ((status
= decode_attr_bitmap(xdr
, bitmap
)) != 0)
5076 if ((status
= decode_attr_length(xdr
, &attrlen
, &savep
)) != 0)
5079 if (unlikely(bitmap
[0] & (FATTR4_WORD0_ACL
- 1U)))
5081 if (likely(bitmap
[0] & FATTR4_WORD0_ACL
)) {
5083 /* The bitmap (xdr len + bitmaps) and the attr xdr len words
5084 * are stored with the acl data to handle the problem of
5085 * variable length bitmaps.*/
5086 res
->acl_data_offset
= xdr_stream_pos(xdr
) - pg_offset
;
5087 res
->acl_len
= attrlen
;
5089 /* Check for receive buffer overflow */
5090 if (res
->acl_len
> (xdr
->nwords
<< 2) ||
5091 res
->acl_len
+ res
->acl_data_offset
> xdr
->buf
->page_len
) {
5092 res
->acl_flags
|= NFS4_ACL_TRUNC
;
5093 dprintk("NFS: acl reply: attrlen %u > page_len %u\n",
5094 attrlen
, xdr
->nwords
<< 2);
5097 status
= -EOPNOTSUPP
;
5104 decode_savefh(struct xdr_stream
*xdr
)
5106 return decode_op_hdr(xdr
, OP_SAVEFH
);
5109 static int decode_setattr(struct xdr_stream
*xdr
)
5115 status
= decode_op_hdr(xdr
, OP_SETATTR
);
5118 p
= xdr_inline_decode(xdr
, 4);
5121 bmlen
= be32_to_cpup(p
);
5122 p
= xdr_inline_decode(xdr
, bmlen
<< 2);
5126 print_overflow_msg(__func__
, xdr
);
5130 static int decode_setclientid(struct xdr_stream
*xdr
, struct nfs4_setclientid_res
*res
)
5136 p
= xdr_inline_decode(xdr
, 8);
5139 opnum
= be32_to_cpup(p
++);
5140 if (opnum
!= OP_SETCLIENTID
) {
5141 dprintk("nfs: decode_setclientid: Server returned operation"
5145 nfserr
= be32_to_cpup(p
);
5146 if (nfserr
== NFS_OK
) {
5147 p
= xdr_inline_decode(xdr
, 8 + NFS4_VERIFIER_SIZE
);
5150 p
= xdr_decode_hyper(p
, &res
->clientid
);
5151 memcpy(res
->confirm
.data
, p
, NFS4_VERIFIER_SIZE
);
5152 } else if (nfserr
== NFSERR_CLID_INUSE
) {
5155 /* skip netid string */
5156 p
= xdr_inline_decode(xdr
, 4);
5159 len
= be32_to_cpup(p
);
5160 p
= xdr_inline_decode(xdr
, len
);
5164 /* skip uaddr string */
5165 p
= xdr_inline_decode(xdr
, 4);
5168 len
= be32_to_cpup(p
);
5169 p
= xdr_inline_decode(xdr
, len
);
5172 return -NFSERR_CLID_INUSE
;
5174 return nfs4_stat_to_errno(nfserr
);
5178 print_overflow_msg(__func__
, xdr
);
5182 static int decode_setclientid_confirm(struct xdr_stream
*xdr
)
5184 return decode_op_hdr(xdr
, OP_SETCLIENTID_CONFIRM
);
5187 static int decode_write(struct xdr_stream
*xdr
, struct nfs_writeres
*res
)
5192 status
= decode_op_hdr(xdr
, OP_WRITE
);
5196 p
= xdr_inline_decode(xdr
, 8);
5199 res
->count
= be32_to_cpup(p
++);
5200 res
->verf
->committed
= be32_to_cpup(p
++);
5201 return decode_write_verifier(xdr
, &res
->verf
->verifier
);
5203 print_overflow_msg(__func__
, xdr
);
5207 static int decode_delegreturn(struct xdr_stream
*xdr
)
5209 return decode_op_hdr(xdr
, OP_DELEGRETURN
);
5212 static int decode_secinfo_gss(struct xdr_stream
*xdr
, struct nfs4_secinfo_flavor
*flavor
)
5216 p
= xdr_inline_decode(xdr
, 4);
5219 flavor
->gss
.sec_oid4
.len
= be32_to_cpup(p
);
5220 if (flavor
->gss
.sec_oid4
.len
> GSS_OID_MAX_LEN
)
5223 p
= xdr_inline_decode(xdr
, flavor
->gss
.sec_oid4
.len
);
5226 memcpy(flavor
->gss
.sec_oid4
.data
, p
, flavor
->gss
.sec_oid4
.len
);
5228 p
= xdr_inline_decode(xdr
, 8);
5231 flavor
->gss
.qop4
= be32_to_cpup(p
++);
5232 flavor
->gss
.service
= be32_to_cpup(p
);
5237 print_overflow_msg(__func__
, xdr
);
5243 static int decode_secinfo_common(struct xdr_stream
*xdr
, struct nfs4_secinfo_res
*res
)
5245 struct nfs4_secinfo_flavor
*sec_flavor
;
5250 p
= xdr_inline_decode(xdr
, 4);
5254 res
->flavors
->num_flavors
= 0;
5255 num_flavors
= be32_to_cpup(p
);
5257 for (i
= 0; i
< num_flavors
; i
++) {
5258 sec_flavor
= &res
->flavors
->flavors
[i
];
5259 if ((char *)&sec_flavor
[1] - (char *)res
->flavors
> PAGE_SIZE
)
5262 p
= xdr_inline_decode(xdr
, 4);
5265 sec_flavor
->flavor
= be32_to_cpup(p
);
5267 if (sec_flavor
->flavor
== RPC_AUTH_GSS
) {
5268 status
= decode_secinfo_gss(xdr
, sec_flavor
);
5272 res
->flavors
->num_flavors
++;
5279 print_overflow_msg(__func__
, xdr
);
5283 static int decode_secinfo(struct xdr_stream
*xdr
, struct nfs4_secinfo_res
*res
)
5285 int status
= decode_op_hdr(xdr
, OP_SECINFO
);
5288 return decode_secinfo_common(xdr
, res
);
5291 #if defined(CONFIG_NFS_V4_1)
5292 static int decode_secinfo_no_name(struct xdr_stream
*xdr
, struct nfs4_secinfo_res
*res
)
5294 int status
= decode_op_hdr(xdr
, OP_SECINFO_NO_NAME
);
5297 return decode_secinfo_common(xdr
, res
);
5300 static int decode_exchange_id(struct xdr_stream
*xdr
,
5301 struct nfs41_exchange_id_res
*res
)
5307 uint32_t impl_id_count
;
5309 status
= decode_op_hdr(xdr
, OP_EXCHANGE_ID
);
5313 p
= xdr_inline_decode(xdr
, 8);
5316 xdr_decode_hyper(p
, &res
->clientid
);
5317 p
= xdr_inline_decode(xdr
, 12);
5320 res
->seqid
= be32_to_cpup(p
++);
5321 res
->flags
= be32_to_cpup(p
++);
5323 /* We ask for SP4_NONE */
5324 dummy
= be32_to_cpup(p
);
5325 if (dummy
!= SP4_NONE
)
5328 /* server_owner4.so_minor_id */
5329 p
= xdr_inline_decode(xdr
, 8);
5332 p
= xdr_decode_hyper(p
, &res
->server_owner
->minor_id
);
5334 /* server_owner4.so_major_id */
5335 status
= decode_opaque_inline(xdr
, &dummy
, &dummy_str
);
5336 if (unlikely(status
))
5338 if (unlikely(dummy
> NFS4_OPAQUE_LIMIT
))
5340 memcpy(res
->server_owner
->major_id
, dummy_str
, dummy
);
5341 res
->server_owner
->major_id_sz
= dummy
;
5344 status
= decode_opaque_inline(xdr
, &dummy
, &dummy_str
);
5345 if (unlikely(status
))
5347 if (unlikely(dummy
> NFS4_OPAQUE_LIMIT
))
5349 memcpy(res
->server_scope
->server_scope
, dummy_str
, dummy
);
5350 res
->server_scope
->server_scope_sz
= dummy
;
5352 /* Implementation Id */
5353 p
= xdr_inline_decode(xdr
, 4);
5356 impl_id_count
= be32_to_cpup(p
++);
5358 if (impl_id_count
) {
5360 status
= decode_opaque_inline(xdr
, &dummy
, &dummy_str
);
5361 if (unlikely(status
))
5363 if (unlikely(dummy
> NFS4_OPAQUE_LIMIT
))
5365 memcpy(res
->impl_id
->domain
, dummy_str
, dummy
);
5368 status
= decode_opaque_inline(xdr
, &dummy
, &dummy_str
);
5369 if (unlikely(status
))
5371 if (unlikely(dummy
> NFS4_OPAQUE_LIMIT
))
5373 memcpy(res
->impl_id
->name
, dummy_str
, dummy
);
5376 p
= xdr_inline_decode(xdr
, 12);
5379 p
= xdr_decode_hyper(p
, &res
->impl_id
->date
.seconds
);
5380 res
->impl_id
->date
.nseconds
= be32_to_cpup(p
);
5382 /* if there's more than one entry, ignore the rest */
5386 print_overflow_msg(__func__
, xdr
);
5390 static int decode_chan_attrs(struct xdr_stream
*xdr
,
5391 struct nfs4_channel_attrs
*attrs
)
5396 p
= xdr_inline_decode(xdr
, 28);
5399 val
= be32_to_cpup(p
++); /* headerpadsz */
5401 return -EINVAL
; /* no support for header padding yet */
5402 attrs
->max_rqst_sz
= be32_to_cpup(p
++);
5403 attrs
->max_resp_sz
= be32_to_cpup(p
++);
5404 attrs
->max_resp_sz_cached
= be32_to_cpup(p
++);
5405 attrs
->max_ops
= be32_to_cpup(p
++);
5406 attrs
->max_reqs
= be32_to_cpup(p
++);
5407 nr_attrs
= be32_to_cpup(p
);
5408 if (unlikely(nr_attrs
> 1)) {
5409 printk(KERN_WARNING
"NFS: %s: Invalid rdma channel attrs "
5410 "count %u\n", __func__
, nr_attrs
);
5413 if (nr_attrs
== 1) {
5414 p
= xdr_inline_decode(xdr
, 4); /* skip rdma_attrs */
5420 print_overflow_msg(__func__
, xdr
);
5424 static int decode_sessionid(struct xdr_stream
*xdr
, struct nfs4_sessionid
*sid
)
5426 return decode_opaque_fixed(xdr
, sid
->data
, NFS4_MAX_SESSIONID_LEN
);
5429 static int decode_bind_conn_to_session(struct xdr_stream
*xdr
,
5430 struct nfs41_bind_conn_to_session_res
*res
)
5435 status
= decode_op_hdr(xdr
, OP_BIND_CONN_TO_SESSION
);
5437 status
= decode_sessionid(xdr
, &res
->session
->sess_id
);
5438 if (unlikely(status
))
5441 /* dir flags, rdma mode bool */
5442 p
= xdr_inline_decode(xdr
, 8);
5446 res
->dir
= be32_to_cpup(p
++);
5447 if (res
->dir
== 0 || res
->dir
> NFS4_CDFS4_BOTH
)
5449 if (be32_to_cpup(p
) == 0)
5450 res
->use_conn_in_rdma_mode
= false;
5452 res
->use_conn_in_rdma_mode
= true;
5456 print_overflow_msg(__func__
, xdr
);
5460 static int decode_create_session(struct xdr_stream
*xdr
,
5461 struct nfs41_create_session_res
*res
)
5465 struct nfs_client
*clp
= res
->client
;
5466 struct nfs4_session
*session
= clp
->cl_session
;
5468 status
= decode_op_hdr(xdr
, OP_CREATE_SESSION
);
5470 status
= decode_sessionid(xdr
, &session
->sess_id
);
5471 if (unlikely(status
))
5475 p
= xdr_inline_decode(xdr
, 8);
5478 clp
->cl_seqid
= be32_to_cpup(p
++);
5479 session
->flags
= be32_to_cpup(p
);
5481 /* Channel attributes */
5482 status
= decode_chan_attrs(xdr
, &session
->fc_attrs
);
5484 status
= decode_chan_attrs(xdr
, &session
->bc_attrs
);
5487 print_overflow_msg(__func__
, xdr
);
5491 static int decode_destroy_session(struct xdr_stream
*xdr
, void *dummy
)
5493 return decode_op_hdr(xdr
, OP_DESTROY_SESSION
);
5496 static int decode_destroy_clientid(struct xdr_stream
*xdr
, void *dummy
)
5498 return decode_op_hdr(xdr
, OP_DESTROY_CLIENTID
);
5501 static int decode_reclaim_complete(struct xdr_stream
*xdr
, void *dummy
)
5503 return decode_op_hdr(xdr
, OP_RECLAIM_COMPLETE
);
5505 #endif /* CONFIG_NFS_V4_1 */
5507 static int decode_sequence(struct xdr_stream
*xdr
,
5508 struct nfs4_sequence_res
*res
,
5509 struct rpc_rqst
*rqstp
)
5511 #if defined(CONFIG_NFS_V4_1)
5512 struct nfs4_sessionid id
;
5517 if (!res
->sr_session
)
5520 status
= decode_op_hdr(xdr
, OP_SEQUENCE
);
5522 status
= decode_sessionid(xdr
, &id
);
5523 if (unlikely(status
))
5527 * If the server returns different values for sessionID, slotID or
5528 * sequence number, the server is looney tunes.
5530 status
= -EREMOTEIO
;
5532 if (memcmp(id
.data
, res
->sr_session
->sess_id
.data
,
5533 NFS4_MAX_SESSIONID_LEN
)) {
5534 dprintk("%s Invalid session id\n", __func__
);
5538 p
= xdr_inline_decode(xdr
, 20);
5543 dummy
= be32_to_cpup(p
++);
5544 if (dummy
!= res
->sr_slot
->seq_nr
) {
5545 dprintk("%s Invalid sequence number\n", __func__
);
5549 dummy
= be32_to_cpup(p
++);
5550 if (dummy
!= res
->sr_slot
- res
->sr_session
->fc_slot_table
.slots
) {
5551 dprintk("%s Invalid slot id\n", __func__
);
5554 /* highest slot id - currently not processed */
5555 dummy
= be32_to_cpup(p
++);
5556 /* target highest slot id - currently not processed */
5557 dummy
= be32_to_cpup(p
++);
5559 res
->sr_status_flags
= be32_to_cpup(p
);
5562 res
->sr_status
= status
;
5565 print_overflow_msg(__func__
, xdr
);
5568 #else /* CONFIG_NFS_V4_1 */
5570 #endif /* CONFIG_NFS_V4_1 */
5573 #if defined(CONFIG_NFS_V4_1)
5575 * TODO: Need to handle case when EOF != true;
5577 static int decode_getdevicelist(struct xdr_stream
*xdr
,
5578 struct pnfs_devicelist
*res
)
5582 nfs4_verifier verftemp
;
5584 status
= decode_op_hdr(xdr
, OP_GETDEVICELIST
);
5588 p
= xdr_inline_decode(xdr
, 8 + 8 + 4);
5592 /* TODO: Skip cookie for now */
5596 p
= xdr_decode_opaque_fixed(p
, verftemp
.data
, NFS4_VERIFIER_SIZE
);
5598 res
->num_devs
= be32_to_cpup(p
);
5600 dprintk("%s: num_dev %d\n", __func__
, res
->num_devs
);
5602 if (res
->num_devs
> NFS4_PNFS_GETDEVLIST_MAXNUM
) {
5603 printk(KERN_ERR
"NFS: %s too many result dev_num %u\n",
5604 __func__
, res
->num_devs
);
5608 p
= xdr_inline_decode(xdr
,
5609 res
->num_devs
* NFS4_DEVICEID4_SIZE
+ 4);
5612 for (i
= 0; i
< res
->num_devs
; i
++)
5613 p
= xdr_decode_opaque_fixed(p
, res
->dev_id
[i
].data
,
5614 NFS4_DEVICEID4_SIZE
);
5615 res
->eof
= be32_to_cpup(p
);
5618 print_overflow_msg(__func__
, xdr
);
5622 static int decode_getdeviceinfo(struct xdr_stream
*xdr
,
5623 struct pnfs_device
*pdev
)
5629 status
= decode_op_hdr(xdr
, OP_GETDEVICEINFO
);
5631 if (status
== -ETOOSMALL
) {
5632 p
= xdr_inline_decode(xdr
, 4);
5635 pdev
->mincount
= be32_to_cpup(p
);
5636 dprintk("%s: Min count too small. mincnt = %u\n",
5637 __func__
, pdev
->mincount
);
5642 p
= xdr_inline_decode(xdr
, 8);
5645 type
= be32_to_cpup(p
++);
5646 if (type
!= pdev
->layout_type
) {
5647 dprintk("%s: layout mismatch req: %u pdev: %u\n",
5648 __func__
, pdev
->layout_type
, type
);
5652 * Get the length of the opaque device_addr4. xdr_read_pages places
5653 * the opaque device_addr4 in the xdr_buf->pages (pnfs_device->pages)
5654 * and places the remaining xdr data in xdr_buf->tail
5656 pdev
->mincount
= be32_to_cpup(p
);
5657 if (xdr_read_pages(xdr
, pdev
->mincount
) != pdev
->mincount
)
5660 /* Parse notification bitmap, verifying that it is zero. */
5661 p
= xdr_inline_decode(xdr
, 4);
5664 len
= be32_to_cpup(p
);
5668 p
= xdr_inline_decode(xdr
, 4 * len
);
5671 for (i
= 0; i
< len
; i
++, p
++) {
5672 if (be32_to_cpup(p
)) {
5673 dprintk("%s: notifications not supported\n",
5681 print_overflow_msg(__func__
, xdr
);
5685 static int decode_layoutget(struct xdr_stream
*xdr
, struct rpc_rqst
*req
,
5686 struct nfs4_layoutget_res
*res
)
5693 status
= decode_op_hdr(xdr
, OP_LAYOUTGET
);
5696 p
= xdr_inline_decode(xdr
, 4);
5699 res
->return_on_close
= be32_to_cpup(p
);
5700 decode_stateid(xdr
, &res
->stateid
);
5701 p
= xdr_inline_decode(xdr
, 4);
5704 layout_count
= be32_to_cpup(p
);
5705 if (!layout_count
) {
5706 dprintk("%s: server responded with empty layout array\n",
5711 p
= xdr_inline_decode(xdr
, 28);
5714 p
= xdr_decode_hyper(p
, &res
->range
.offset
);
5715 p
= xdr_decode_hyper(p
, &res
->range
.length
);
5716 res
->range
.iomode
= be32_to_cpup(p
++);
5717 res
->type
= be32_to_cpup(p
++);
5718 res
->layoutp
->len
= be32_to_cpup(p
);
5720 dprintk("%s roff:%lu rlen:%lu riomode:%d, lo_type:0x%x, lo.len:%d\n",
5722 (unsigned long)res
->range
.offset
,
5723 (unsigned long)res
->range
.length
,
5728 recvd
= xdr_read_pages(xdr
, res
->layoutp
->len
);
5729 if (res
->layoutp
->len
> recvd
) {
5730 dprintk("NFS: server cheating in layoutget reply: "
5731 "layout len %u > recvd %u\n",
5732 res
->layoutp
->len
, recvd
);
5736 if (layout_count
> 1) {
5737 /* We only handle a length one array at the moment. Any
5738 * further entries are just ignored. Note that this means
5739 * the client may see a response that is less than the
5740 * minimum it requested.
5742 dprintk("%s: server responded with %d layouts, dropping tail\n",
5743 __func__
, layout_count
);
5748 print_overflow_msg(__func__
, xdr
);
5752 static int decode_layoutreturn(struct xdr_stream
*xdr
,
5753 struct nfs4_layoutreturn_res
*res
)
5758 status
= decode_op_hdr(xdr
, OP_LAYOUTRETURN
);
5761 p
= xdr_inline_decode(xdr
, 4);
5764 res
->lrs_present
= be32_to_cpup(p
);
5765 if (res
->lrs_present
)
5766 status
= decode_stateid(xdr
, &res
->stateid
);
5769 print_overflow_msg(__func__
, xdr
);
5773 static int decode_layoutcommit(struct xdr_stream
*xdr
,
5774 struct rpc_rqst
*req
,
5775 struct nfs4_layoutcommit_res
*res
)
5781 status
= decode_op_hdr(xdr
, OP_LAYOUTCOMMIT
);
5782 res
->status
= status
;
5786 p
= xdr_inline_decode(xdr
, 4);
5789 sizechanged
= be32_to_cpup(p
);
5792 /* throw away new size */
5793 p
= xdr_inline_decode(xdr
, 8);
5799 print_overflow_msg(__func__
, xdr
);
5803 static int decode_test_stateid(struct xdr_stream
*xdr
,
5804 struct nfs41_test_stateid_res
*res
)
5810 status
= decode_op_hdr(xdr
, OP_TEST_STATEID
);
5814 p
= xdr_inline_decode(xdr
, 4);
5817 num_res
= be32_to_cpup(p
++);
5821 p
= xdr_inline_decode(xdr
, 4);
5824 res
->status
= be32_to_cpup(p
++);
5828 print_overflow_msg(__func__
, xdr
);
5833 static int decode_free_stateid(struct xdr_stream
*xdr
,
5834 struct nfs41_free_stateid_res
*res
)
5839 status
= decode_op_hdr(xdr
, OP_FREE_STATEID
);
5843 p
= xdr_inline_decode(xdr
, 4);
5846 res
->status
= be32_to_cpup(p
++);
5849 print_overflow_msg(__func__
, xdr
);
5852 #endif /* CONFIG_NFS_V4_1 */
5855 * END OF "GENERIC" DECODE ROUTINES.
5859 * Decode OPEN_DOWNGRADE response
5861 static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst
*rqstp
,
5862 struct xdr_stream
*xdr
,
5863 struct nfs_closeres
*res
)
5865 struct compound_hdr hdr
;
5868 status
= decode_compound_hdr(xdr
, &hdr
);
5871 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
5874 status
= decode_putfh(xdr
);
5877 status
= decode_open_downgrade(xdr
, res
);
5880 decode_getfattr(xdr
, res
->fattr
, res
->server
);
5886 * Decode ACCESS response
5888 static int nfs4_xdr_dec_access(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
5889 struct nfs4_accessres
*res
)
5891 struct compound_hdr hdr
;
5894 status
= decode_compound_hdr(xdr
, &hdr
);
5897 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
5900 status
= decode_putfh(xdr
);
5903 status
= decode_access(xdr
, &res
->supported
, &res
->access
);
5906 decode_getfattr(xdr
, res
->fattr
, res
->server
);
5912 * Decode LOOKUP response
5914 static int nfs4_xdr_dec_lookup(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
5915 struct nfs4_lookup_res
*res
)
5917 struct compound_hdr hdr
;
5920 status
= decode_compound_hdr(xdr
, &hdr
);
5923 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
5926 status
= decode_putfh(xdr
);
5929 status
= decode_lookup(xdr
);
5932 status
= decode_getfh(xdr
, res
->fh
);
5935 status
= decode_getfattr(xdr
, res
->fattr
, res
->server
);
5941 * Decode LOOKUP_ROOT response
5943 static int nfs4_xdr_dec_lookup_root(struct rpc_rqst
*rqstp
,
5944 struct xdr_stream
*xdr
,
5945 struct nfs4_lookup_res
*res
)
5947 struct compound_hdr hdr
;
5950 status
= decode_compound_hdr(xdr
, &hdr
);
5953 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
5956 status
= decode_putrootfh(xdr
);
5959 status
= decode_getfh(xdr
, res
->fh
);
5961 status
= decode_getfattr(xdr
, res
->fattr
, res
->server
);
5967 * Decode REMOVE response
5969 static int nfs4_xdr_dec_remove(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
5970 struct nfs_removeres
*res
)
5972 struct compound_hdr hdr
;
5975 status
= decode_compound_hdr(xdr
, &hdr
);
5978 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
5981 status
= decode_putfh(xdr
);
5984 status
= decode_remove(xdr
, &res
->cinfo
);
5990 * Decode RENAME response
5992 static int nfs4_xdr_dec_rename(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
5993 struct nfs_renameres
*res
)
5995 struct compound_hdr hdr
;
5998 status
= decode_compound_hdr(xdr
, &hdr
);
6001 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6004 status
= decode_putfh(xdr
);
6007 status
= decode_savefh(xdr
);
6010 status
= decode_putfh(xdr
);
6013 status
= decode_rename(xdr
, &res
->old_cinfo
, &res
->new_cinfo
);
6019 * Decode LINK response
6021 static int nfs4_xdr_dec_link(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6022 struct nfs4_link_res
*res
)
6024 struct compound_hdr hdr
;
6027 status
= decode_compound_hdr(xdr
, &hdr
);
6030 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6033 status
= decode_putfh(xdr
);
6036 status
= decode_savefh(xdr
);
6039 status
= decode_putfh(xdr
);
6042 status
= decode_link(xdr
, &res
->cinfo
);
6046 * Note order: OP_LINK leaves the directory as the current
6049 status
= decode_restorefh(xdr
);
6052 decode_getfattr(xdr
, res
->fattr
, res
->server
);
6058 * Decode CREATE response
6060 static int nfs4_xdr_dec_create(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6061 struct nfs4_create_res
*res
)
6063 struct compound_hdr hdr
;
6066 status
= decode_compound_hdr(xdr
, &hdr
);
6069 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6072 status
= decode_putfh(xdr
);
6075 status
= decode_create(xdr
, &res
->dir_cinfo
);
6078 status
= decode_getfh(xdr
, res
->fh
);
6081 decode_getfattr(xdr
, res
->fattr
, res
->server
);
6087 * Decode SYMLINK response
6089 static int nfs4_xdr_dec_symlink(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6090 struct nfs4_create_res
*res
)
6092 return nfs4_xdr_dec_create(rqstp
, xdr
, res
);
6096 * Decode GETATTR response
6098 static int nfs4_xdr_dec_getattr(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6099 struct nfs4_getattr_res
*res
)
6101 struct compound_hdr hdr
;
6104 status
= decode_compound_hdr(xdr
, &hdr
);
6107 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6110 status
= decode_putfh(xdr
);
6113 status
= decode_getfattr(xdr
, res
->fattr
, res
->server
);
6119 * Encode an SETACL request
6121 static void nfs4_xdr_enc_setacl(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
6122 struct nfs_setaclargs
*args
)
6124 struct compound_hdr hdr
= {
6125 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
6128 encode_compound_hdr(xdr
, req
, &hdr
);
6129 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
6130 encode_putfh(xdr
, args
->fh
, &hdr
);
6131 encode_setacl(xdr
, args
, &hdr
);
6136 * Decode SETACL response
6139 nfs4_xdr_dec_setacl(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6140 struct nfs_setaclres
*res
)
6142 struct compound_hdr hdr
;
6145 status
= decode_compound_hdr(xdr
, &hdr
);
6148 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6151 status
= decode_putfh(xdr
);
6154 status
= decode_setattr(xdr
);
6160 * Decode GETACL response
6163 nfs4_xdr_dec_getacl(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6164 struct nfs_getaclres
*res
)
6166 struct compound_hdr hdr
;
6169 if (res
->acl_scratch
!= NULL
) {
6170 void *p
= page_address(res
->acl_scratch
);
6171 xdr_set_scratch_buffer(xdr
, p
, PAGE_SIZE
);
6173 status
= decode_compound_hdr(xdr
, &hdr
);
6176 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6179 status
= decode_putfh(xdr
);
6182 status
= decode_getacl(xdr
, rqstp
, res
);
6189 * Decode CLOSE response
6191 static int nfs4_xdr_dec_close(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6192 struct nfs_closeres
*res
)
6194 struct compound_hdr hdr
;
6197 status
= decode_compound_hdr(xdr
, &hdr
);
6200 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6203 status
= decode_putfh(xdr
);
6206 status
= decode_close(xdr
, res
);
6210 * Note: Server may do delete on close for this file
6211 * in which case the getattr call will fail with
6212 * an ESTALE error. Shouldn't be a problem,
6213 * though, since fattr->valid will remain unset.
6215 decode_getfattr(xdr
, res
->fattr
, res
->server
);
6221 * Decode OPEN response
6223 static int nfs4_xdr_dec_open(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6224 struct nfs_openres
*res
)
6226 struct compound_hdr hdr
;
6229 status
= decode_compound_hdr(xdr
, &hdr
);
6232 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6235 status
= decode_putfh(xdr
);
6238 status
= decode_open(xdr
, res
);
6241 status
= decode_getfh(xdr
, &res
->fh
);
6244 if (res
->access_request
)
6245 decode_access(xdr
, &res
->access_supported
, &res
->access_result
);
6246 decode_getfattr(xdr
, res
->f_attr
, res
->server
);
6252 * Decode OPEN_CONFIRM response
6254 static int nfs4_xdr_dec_open_confirm(struct rpc_rqst
*rqstp
,
6255 struct xdr_stream
*xdr
,
6256 struct nfs_open_confirmres
*res
)
6258 struct compound_hdr hdr
;
6261 status
= decode_compound_hdr(xdr
, &hdr
);
6264 status
= decode_putfh(xdr
);
6267 status
= decode_open_confirm(xdr
, res
);
6273 * Decode OPEN response
6275 static int nfs4_xdr_dec_open_noattr(struct rpc_rqst
*rqstp
,
6276 struct xdr_stream
*xdr
,
6277 struct nfs_openres
*res
)
6279 struct compound_hdr hdr
;
6282 status
= decode_compound_hdr(xdr
, &hdr
);
6285 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6288 status
= decode_putfh(xdr
);
6291 status
= decode_open(xdr
, res
);
6294 if (res
->access_request
)
6295 decode_access(xdr
, &res
->access_supported
, &res
->access_result
);
6296 decode_getfattr(xdr
, res
->f_attr
, res
->server
);
6302 * Decode SETATTR response
6304 static int nfs4_xdr_dec_setattr(struct rpc_rqst
*rqstp
,
6305 struct xdr_stream
*xdr
,
6306 struct nfs_setattrres
*res
)
6308 struct compound_hdr hdr
;
6311 status
= decode_compound_hdr(xdr
, &hdr
);
6314 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6317 status
= decode_putfh(xdr
);
6320 status
= decode_setattr(xdr
);
6323 decode_getfattr(xdr
, res
->fattr
, res
->server
);
6329 * Decode LOCK response
6331 static int nfs4_xdr_dec_lock(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6332 struct nfs_lock_res
*res
)
6334 struct compound_hdr hdr
;
6337 status
= decode_compound_hdr(xdr
, &hdr
);
6340 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6343 status
= decode_putfh(xdr
);
6346 status
= decode_lock(xdr
, res
);
6352 * Decode LOCKT response
6354 static int nfs4_xdr_dec_lockt(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6355 struct nfs_lockt_res
*res
)
6357 struct compound_hdr hdr
;
6360 status
= decode_compound_hdr(xdr
, &hdr
);
6363 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6366 status
= decode_putfh(xdr
);
6369 status
= decode_lockt(xdr
, res
);
6375 * Decode LOCKU response
6377 static int nfs4_xdr_dec_locku(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6378 struct nfs_locku_res
*res
)
6380 struct compound_hdr hdr
;
6383 status
= decode_compound_hdr(xdr
, &hdr
);
6386 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6389 status
= decode_putfh(xdr
);
6392 status
= decode_locku(xdr
, res
);
6397 static int nfs4_xdr_dec_release_lockowner(struct rpc_rqst
*rqstp
,
6398 struct xdr_stream
*xdr
, void *dummy
)
6400 struct compound_hdr hdr
;
6403 status
= decode_compound_hdr(xdr
, &hdr
);
6405 status
= decode_release_lockowner(xdr
);
6410 * Decode READLINK response
6412 static int nfs4_xdr_dec_readlink(struct rpc_rqst
*rqstp
,
6413 struct xdr_stream
*xdr
,
6414 struct nfs4_readlink_res
*res
)
6416 struct compound_hdr hdr
;
6419 status
= decode_compound_hdr(xdr
, &hdr
);
6422 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6425 status
= decode_putfh(xdr
);
6428 status
= decode_readlink(xdr
, rqstp
);
6434 * Decode READDIR response
6436 static int nfs4_xdr_dec_readdir(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6437 struct nfs4_readdir_res
*res
)
6439 struct compound_hdr hdr
;
6442 status
= decode_compound_hdr(xdr
, &hdr
);
6445 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6448 status
= decode_putfh(xdr
);
6451 status
= decode_readdir(xdr
, rqstp
, res
);
6457 * Decode Read response
6459 static int nfs4_xdr_dec_read(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6460 struct nfs_readres
*res
)
6462 struct compound_hdr hdr
;
6465 status
= decode_compound_hdr(xdr
, &hdr
);
6468 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6471 status
= decode_putfh(xdr
);
6474 status
= decode_read(xdr
, rqstp
, res
);
6476 status
= res
->count
;
6482 * Decode WRITE response
6484 static int nfs4_xdr_dec_write(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6485 struct nfs_writeres
*res
)
6487 struct compound_hdr hdr
;
6490 status
= decode_compound_hdr(xdr
, &hdr
);
6493 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6496 status
= decode_putfh(xdr
);
6499 status
= decode_write(xdr
, res
);
6503 decode_getfattr(xdr
, res
->fattr
, res
->server
);
6505 status
= res
->count
;
6511 * Decode COMMIT response
6513 static int nfs4_xdr_dec_commit(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6514 struct nfs_commitres
*res
)
6516 struct compound_hdr hdr
;
6519 status
= decode_compound_hdr(xdr
, &hdr
);
6522 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6525 status
= decode_putfh(xdr
);
6528 status
= decode_commit(xdr
, res
);
6534 * Decode FSINFO response
6536 static int nfs4_xdr_dec_fsinfo(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
6537 struct nfs4_fsinfo_res
*res
)
6539 struct compound_hdr hdr
;
6542 status
= decode_compound_hdr(xdr
, &hdr
);
6544 status
= decode_sequence(xdr
, &res
->seq_res
, req
);
6546 status
= decode_putfh(xdr
);
6548 status
= decode_fsinfo(xdr
, res
->fsinfo
);
6553 * Decode PATHCONF response
6555 static int nfs4_xdr_dec_pathconf(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
6556 struct nfs4_pathconf_res
*res
)
6558 struct compound_hdr hdr
;
6561 status
= decode_compound_hdr(xdr
, &hdr
);
6563 status
= decode_sequence(xdr
, &res
->seq_res
, req
);
6565 status
= decode_putfh(xdr
);
6567 status
= decode_pathconf(xdr
, res
->pathconf
);
6572 * Decode STATFS response
6574 static int nfs4_xdr_dec_statfs(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
6575 struct nfs4_statfs_res
*res
)
6577 struct compound_hdr hdr
;
6580 status
= decode_compound_hdr(xdr
, &hdr
);
6582 status
= decode_sequence(xdr
, &res
->seq_res
, req
);
6584 status
= decode_putfh(xdr
);
6586 status
= decode_statfs(xdr
, res
->fsstat
);
6591 * Decode GETATTR_BITMAP response
6593 static int nfs4_xdr_dec_server_caps(struct rpc_rqst
*req
,
6594 struct xdr_stream
*xdr
,
6595 struct nfs4_server_caps_res
*res
)
6597 struct compound_hdr hdr
;
6600 status
= decode_compound_hdr(xdr
, &hdr
);
6603 status
= decode_sequence(xdr
, &res
->seq_res
, req
);
6606 status
= decode_putfh(xdr
);
6609 status
= decode_server_caps(xdr
, res
);
6615 * Decode RENEW response
6617 static int nfs4_xdr_dec_renew(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6620 struct compound_hdr hdr
;
6623 status
= decode_compound_hdr(xdr
, &hdr
);
6625 status
= decode_renew(xdr
);
6630 * Decode SETCLIENTID response
6632 static int nfs4_xdr_dec_setclientid(struct rpc_rqst
*req
,
6633 struct xdr_stream
*xdr
,
6634 struct nfs4_setclientid_res
*res
)
6636 struct compound_hdr hdr
;
6639 status
= decode_compound_hdr(xdr
, &hdr
);
6641 status
= decode_setclientid(xdr
, res
);
6646 * Decode SETCLIENTID_CONFIRM response
6648 static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst
*req
,
6649 struct xdr_stream
*xdr
,
6650 struct nfs_fsinfo
*fsinfo
)
6652 struct compound_hdr hdr
;
6655 status
= decode_compound_hdr(xdr
, &hdr
);
6657 status
= decode_setclientid_confirm(xdr
);
6659 status
= decode_putrootfh(xdr
);
6661 status
= decode_fsinfo(xdr
, fsinfo
);
6666 * Decode DELEGRETURN response
6668 static int nfs4_xdr_dec_delegreturn(struct rpc_rqst
*rqstp
,
6669 struct xdr_stream
*xdr
,
6670 struct nfs4_delegreturnres
*res
)
6672 struct compound_hdr hdr
;
6675 status
= decode_compound_hdr(xdr
, &hdr
);
6678 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6681 status
= decode_putfh(xdr
);
6684 status
= decode_getfattr(xdr
, res
->fattr
, res
->server
);
6687 status
= decode_delegreturn(xdr
);
6693 * Decode FS_LOCATIONS response
6695 static int nfs4_xdr_dec_fs_locations(struct rpc_rqst
*req
,
6696 struct xdr_stream
*xdr
,
6697 struct nfs4_fs_locations_res
*res
)
6699 struct compound_hdr hdr
;
6702 status
= decode_compound_hdr(xdr
, &hdr
);
6705 status
= decode_sequence(xdr
, &res
->seq_res
, req
);
6708 status
= decode_putfh(xdr
);
6711 status
= decode_lookup(xdr
);
6714 xdr_enter_page(xdr
, PAGE_SIZE
);
6715 status
= decode_getfattr_generic(xdr
, &res
->fs_locations
->fattr
,
6716 NULL
, res
->fs_locations
,
6717 res
->fs_locations
->server
);
6723 * Decode SECINFO response
6725 static int nfs4_xdr_dec_secinfo(struct rpc_rqst
*rqstp
,
6726 struct xdr_stream
*xdr
,
6727 struct nfs4_secinfo_res
*res
)
6729 struct compound_hdr hdr
;
6732 status
= decode_compound_hdr(xdr
, &hdr
);
6735 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6738 status
= decode_putfh(xdr
);
6741 status
= decode_secinfo(xdr
, res
);
6746 #if defined(CONFIG_NFS_V4_1)
6748 * Decode BIND_CONN_TO_SESSION response
6750 static int nfs4_xdr_dec_bind_conn_to_session(struct rpc_rqst
*rqstp
,
6751 struct xdr_stream
*xdr
,
6754 struct compound_hdr hdr
;
6757 status
= decode_compound_hdr(xdr
, &hdr
);
6759 status
= decode_bind_conn_to_session(xdr
, res
);
6764 * Decode EXCHANGE_ID response
6766 static int nfs4_xdr_dec_exchange_id(struct rpc_rqst
*rqstp
,
6767 struct xdr_stream
*xdr
,
6770 struct compound_hdr hdr
;
6773 status
= decode_compound_hdr(xdr
, &hdr
);
6775 status
= decode_exchange_id(xdr
, res
);
6780 * Decode CREATE_SESSION response
6782 static int nfs4_xdr_dec_create_session(struct rpc_rqst
*rqstp
,
6783 struct xdr_stream
*xdr
,
6784 struct nfs41_create_session_res
*res
)
6786 struct compound_hdr hdr
;
6789 status
= decode_compound_hdr(xdr
, &hdr
);
6791 status
= decode_create_session(xdr
, res
);
6796 * Decode DESTROY_SESSION response
6798 static int nfs4_xdr_dec_destroy_session(struct rpc_rqst
*rqstp
,
6799 struct xdr_stream
*xdr
,
6802 struct compound_hdr hdr
;
6805 status
= decode_compound_hdr(xdr
, &hdr
);
6807 status
= decode_destroy_session(xdr
, res
);
6812 * Decode DESTROY_CLIENTID response
6814 static int nfs4_xdr_dec_destroy_clientid(struct rpc_rqst
*rqstp
,
6815 struct xdr_stream
*xdr
,
6818 struct compound_hdr hdr
;
6821 status
= decode_compound_hdr(xdr
, &hdr
);
6823 status
= decode_destroy_clientid(xdr
, res
);
6828 * Decode SEQUENCE response
6830 static int nfs4_xdr_dec_sequence(struct rpc_rqst
*rqstp
,
6831 struct xdr_stream
*xdr
,
6832 struct nfs4_sequence_res
*res
)
6834 struct compound_hdr hdr
;
6837 status
= decode_compound_hdr(xdr
, &hdr
);
6839 status
= decode_sequence(xdr
, res
, rqstp
);
6844 * Decode GET_LEASE_TIME response
6846 static int nfs4_xdr_dec_get_lease_time(struct rpc_rqst
*rqstp
,
6847 struct xdr_stream
*xdr
,
6848 struct nfs4_get_lease_time_res
*res
)
6850 struct compound_hdr hdr
;
6853 status
= decode_compound_hdr(xdr
, &hdr
);
6855 status
= decode_sequence(xdr
, &res
->lr_seq_res
, rqstp
);
6857 status
= decode_putrootfh(xdr
);
6859 status
= decode_fsinfo(xdr
, res
->lr_fsinfo
);
6864 * Decode RECLAIM_COMPLETE response
6866 static int nfs4_xdr_dec_reclaim_complete(struct rpc_rqst
*rqstp
,
6867 struct xdr_stream
*xdr
,
6868 struct nfs41_reclaim_complete_res
*res
)
6870 struct compound_hdr hdr
;
6873 status
= decode_compound_hdr(xdr
, &hdr
);
6875 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6877 status
= decode_reclaim_complete(xdr
, (void *)NULL
);
6882 * Decode GETDEVICELIST response
6884 static int nfs4_xdr_dec_getdevicelist(struct rpc_rqst
*rqstp
,
6885 struct xdr_stream
*xdr
,
6886 struct nfs4_getdevicelist_res
*res
)
6888 struct compound_hdr hdr
;
6891 dprintk("encoding getdevicelist!\n");
6893 status
= decode_compound_hdr(xdr
, &hdr
);
6896 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6899 status
= decode_putfh(xdr
);
6902 status
= decode_getdevicelist(xdr
, res
->devlist
);
6908 * Decode GETDEVINFO response
6910 static int nfs4_xdr_dec_getdeviceinfo(struct rpc_rqst
*rqstp
,
6911 struct xdr_stream
*xdr
,
6912 struct nfs4_getdeviceinfo_res
*res
)
6914 struct compound_hdr hdr
;
6917 status
= decode_compound_hdr(xdr
, &hdr
);
6920 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6923 status
= decode_getdeviceinfo(xdr
, res
->pdev
);
6929 * Decode LAYOUTGET response
6931 static int nfs4_xdr_dec_layoutget(struct rpc_rqst
*rqstp
,
6932 struct xdr_stream
*xdr
,
6933 struct nfs4_layoutget_res
*res
)
6935 struct compound_hdr hdr
;
6938 status
= decode_compound_hdr(xdr
, &hdr
);
6941 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6944 status
= decode_putfh(xdr
);
6947 status
= decode_layoutget(xdr
, rqstp
, res
);
6953 * Decode LAYOUTRETURN response
6955 static int nfs4_xdr_dec_layoutreturn(struct rpc_rqst
*rqstp
,
6956 struct xdr_stream
*xdr
,
6957 struct nfs4_layoutreturn_res
*res
)
6959 struct compound_hdr hdr
;
6962 status
= decode_compound_hdr(xdr
, &hdr
);
6965 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6968 status
= decode_putfh(xdr
);
6971 status
= decode_layoutreturn(xdr
, res
);
6977 * Decode LAYOUTCOMMIT response
6979 static int nfs4_xdr_dec_layoutcommit(struct rpc_rqst
*rqstp
,
6980 struct xdr_stream
*xdr
,
6981 struct nfs4_layoutcommit_res
*res
)
6983 struct compound_hdr hdr
;
6986 status
= decode_compound_hdr(xdr
, &hdr
);
6989 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6992 status
= decode_putfh(xdr
);
6995 status
= decode_layoutcommit(xdr
, rqstp
, res
);
6998 decode_getfattr(xdr
, res
->fattr
, res
->server
);
7004 * Decode SECINFO_NO_NAME response
7006 static int nfs4_xdr_dec_secinfo_no_name(struct rpc_rqst
*rqstp
,
7007 struct xdr_stream
*xdr
,
7008 struct nfs4_secinfo_res
*res
)
7010 struct compound_hdr hdr
;
7013 status
= decode_compound_hdr(xdr
, &hdr
);
7016 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
7019 status
= decode_putrootfh(xdr
);
7022 status
= decode_secinfo_no_name(xdr
, res
);
7028 * Decode TEST_STATEID response
7030 static int nfs4_xdr_dec_test_stateid(struct rpc_rqst
*rqstp
,
7031 struct xdr_stream
*xdr
,
7032 struct nfs41_test_stateid_res
*res
)
7034 struct compound_hdr hdr
;
7037 status
= decode_compound_hdr(xdr
, &hdr
);
7040 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
7043 status
= decode_test_stateid(xdr
, res
);
7049 * Decode FREE_STATEID response
7051 static int nfs4_xdr_dec_free_stateid(struct rpc_rqst
*rqstp
,
7052 struct xdr_stream
*xdr
,
7053 struct nfs41_free_stateid_res
*res
)
7055 struct compound_hdr hdr
;
7058 status
= decode_compound_hdr(xdr
, &hdr
);
7061 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
7064 status
= decode_free_stateid(xdr
, res
);
7068 #endif /* CONFIG_NFS_V4_1 */
7071 * nfs4_decode_dirent - Decode a single NFSv4 directory entry stored in
7072 * the local page cache.
7073 * @xdr: XDR stream where entry resides
7074 * @entry: buffer to fill in with entry data
7075 * @plus: boolean indicating whether this should be a readdirplus entry
7077 * Returns zero if successful, otherwise a negative errno value is
7080 * This function is not invoked during READDIR reply decoding, but
7081 * rather whenever an application invokes the getdents(2) system call
7082 * on a directory already in our cache.
7084 int nfs4_decode_dirent(struct xdr_stream
*xdr
, struct nfs_entry
*entry
,
7088 uint32_t bitmap
[3] = {0};
7090 __be32
*p
= xdr_inline_decode(xdr
, 4);
7093 if (*p
== xdr_zero
) {
7094 p
= xdr_inline_decode(xdr
, 4);
7103 p
= xdr_inline_decode(xdr
, 12);
7106 entry
->prev_cookie
= entry
->cookie
;
7107 p
= xdr_decode_hyper(p
, &entry
->cookie
);
7108 entry
->len
= be32_to_cpup(p
);
7110 p
= xdr_inline_decode(xdr
, entry
->len
);
7113 entry
->name
= (const char *) p
;
7116 * In case the server doesn't return an inode number,
7117 * we fake one here. (We don't use inode number 0,
7118 * since glibc seems to choke on it...)
7121 entry
->fattr
->valid
= 0;
7123 if (decode_attr_bitmap(xdr
, bitmap
) < 0)
7126 if (decode_attr_length(xdr
, &len
, &savep
) < 0)
7129 if (decode_getfattr_attrs(xdr
, bitmap
, entry
->fattr
, entry
->fh
,
7130 NULL
, entry
->server
) < 0)
7132 if (entry
->fattr
->valid
& NFS_ATTR_FATTR_MOUNTED_ON_FILEID
)
7133 entry
->ino
= entry
->fattr
->mounted_on_fileid
;
7134 else if (entry
->fattr
->valid
& NFS_ATTR_FATTR_FILEID
)
7135 entry
->ino
= entry
->fattr
->fileid
;
7137 entry
->d_type
= DT_UNKNOWN
;
7138 if (entry
->fattr
->valid
& NFS_ATTR_FATTR_TYPE
)
7139 entry
->d_type
= nfs_umode_to_dtype(entry
->fattr
->mode
);
7144 print_overflow_msg(__func__
, xdr
);
7149 * We need to translate between nfs status return values and
7150 * the local errno values which may not be the same.
7157 { NFS4ERR_PERM
, -EPERM
},
7158 { NFS4ERR_NOENT
, -ENOENT
},
7159 { NFS4ERR_IO
, -errno_NFSERR_IO
},
7160 { NFS4ERR_NXIO
, -ENXIO
},
7161 { NFS4ERR_ACCESS
, -EACCES
},
7162 { NFS4ERR_EXIST
, -EEXIST
},
7163 { NFS4ERR_XDEV
, -EXDEV
},
7164 { NFS4ERR_NOTDIR
, -ENOTDIR
},
7165 { NFS4ERR_ISDIR
, -EISDIR
},
7166 { NFS4ERR_INVAL
, -EINVAL
},
7167 { NFS4ERR_FBIG
, -EFBIG
},
7168 { NFS4ERR_NOSPC
, -ENOSPC
},
7169 { NFS4ERR_ROFS
, -EROFS
},
7170 { NFS4ERR_MLINK
, -EMLINK
},
7171 { NFS4ERR_NAMETOOLONG
, -ENAMETOOLONG
},
7172 { NFS4ERR_NOTEMPTY
, -ENOTEMPTY
},
7173 { NFS4ERR_DQUOT
, -EDQUOT
},
7174 { NFS4ERR_STALE
, -ESTALE
},
7175 { NFS4ERR_BADHANDLE
, -EBADHANDLE
},
7176 { NFS4ERR_BAD_COOKIE
, -EBADCOOKIE
},
7177 { NFS4ERR_NOTSUPP
, -ENOTSUPP
},
7178 { NFS4ERR_TOOSMALL
, -ETOOSMALL
},
7179 { NFS4ERR_SERVERFAULT
, -EREMOTEIO
},
7180 { NFS4ERR_BADTYPE
, -EBADTYPE
},
7181 { NFS4ERR_LOCKED
, -EAGAIN
},
7182 { NFS4ERR_SYMLINK
, -ELOOP
},
7183 { NFS4ERR_OP_ILLEGAL
, -EOPNOTSUPP
},
7184 { NFS4ERR_DEADLOCK
, -EDEADLK
},
7189 * Convert an NFS error code to a local one.
7190 * This one is used jointly by NFSv2 and NFSv3.
7193 nfs4_stat_to_errno(int stat
)
7196 for (i
= 0; nfs_errtbl
[i
].stat
!= -1; i
++) {
7197 if (nfs_errtbl
[i
].stat
== stat
)
7198 return nfs_errtbl
[i
].errno
;
7200 if (stat
<= 10000 || stat
> 10100) {
7201 /* The server is looney tunes. */
7204 /* If we cannot translate the error, the recovery routines should
7206 * Note: remaining NFSv4 error codes have values > 10000, so should
7207 * not conflict with native Linux error codes.
7212 #define PROC(proc, argtype, restype) \
7213 [NFSPROC4_CLNT_##proc] = { \
7214 .p_proc = NFSPROC4_COMPOUND, \
7215 .p_encode = (kxdreproc_t)nfs4_xdr_##argtype, \
7216 .p_decode = (kxdrdproc_t)nfs4_xdr_##restype, \
7217 .p_arglen = NFS4_##argtype##_sz, \
7218 .p_replen = NFS4_##restype##_sz, \
7219 .p_statidx = NFSPROC4_CLNT_##proc, \
7223 struct rpc_procinfo nfs4_procedures
[] = {
7224 PROC(READ
, enc_read
, dec_read
),
7225 PROC(WRITE
, enc_write
, dec_write
),
7226 PROC(COMMIT
, enc_commit
, dec_commit
),
7227 PROC(OPEN
, enc_open
, dec_open
),
7228 PROC(OPEN_CONFIRM
, enc_open_confirm
, dec_open_confirm
),
7229 PROC(OPEN_NOATTR
, enc_open_noattr
, dec_open_noattr
),
7230 PROC(OPEN_DOWNGRADE
, enc_open_downgrade
, dec_open_downgrade
),
7231 PROC(CLOSE
, enc_close
, dec_close
),
7232 PROC(SETATTR
, enc_setattr
, dec_setattr
),
7233 PROC(FSINFO
, enc_fsinfo
, dec_fsinfo
),
7234 PROC(RENEW
, enc_renew
, dec_renew
),
7235 PROC(SETCLIENTID
, enc_setclientid
, dec_setclientid
),
7236 PROC(SETCLIENTID_CONFIRM
, enc_setclientid_confirm
, dec_setclientid_confirm
),
7237 PROC(LOCK
, enc_lock
, dec_lock
),
7238 PROC(LOCKT
, enc_lockt
, dec_lockt
),
7239 PROC(LOCKU
, enc_locku
, dec_locku
),
7240 PROC(ACCESS
, enc_access
, dec_access
),
7241 PROC(GETATTR
, enc_getattr
, dec_getattr
),
7242 PROC(LOOKUP
, enc_lookup
, dec_lookup
),
7243 PROC(LOOKUP_ROOT
, enc_lookup_root
, dec_lookup_root
),
7244 PROC(REMOVE
, enc_remove
, dec_remove
),
7245 PROC(RENAME
, enc_rename
, dec_rename
),
7246 PROC(LINK
, enc_link
, dec_link
),
7247 PROC(SYMLINK
, enc_symlink
, dec_symlink
),
7248 PROC(CREATE
, enc_create
, dec_create
),
7249 PROC(PATHCONF
, enc_pathconf
, dec_pathconf
),
7250 PROC(STATFS
, enc_statfs
, dec_statfs
),
7251 PROC(READLINK
, enc_readlink
, dec_readlink
),
7252 PROC(READDIR
, enc_readdir
, dec_readdir
),
7253 PROC(SERVER_CAPS
, enc_server_caps
, dec_server_caps
),
7254 PROC(DELEGRETURN
, enc_delegreturn
, dec_delegreturn
),
7255 PROC(GETACL
, enc_getacl
, dec_getacl
),
7256 PROC(SETACL
, enc_setacl
, dec_setacl
),
7257 PROC(FS_LOCATIONS
, enc_fs_locations
, dec_fs_locations
),
7258 PROC(RELEASE_LOCKOWNER
, enc_release_lockowner
, dec_release_lockowner
),
7259 PROC(SECINFO
, enc_secinfo
, dec_secinfo
),
7260 #if defined(CONFIG_NFS_V4_1)
7261 PROC(EXCHANGE_ID
, enc_exchange_id
, dec_exchange_id
),
7262 PROC(CREATE_SESSION
, enc_create_session
, dec_create_session
),
7263 PROC(DESTROY_SESSION
, enc_destroy_session
, dec_destroy_session
),
7264 PROC(SEQUENCE
, enc_sequence
, dec_sequence
),
7265 PROC(GET_LEASE_TIME
, enc_get_lease_time
, dec_get_lease_time
),
7266 PROC(RECLAIM_COMPLETE
, enc_reclaim_complete
, dec_reclaim_complete
),
7267 PROC(GETDEVICEINFO
, enc_getdeviceinfo
, dec_getdeviceinfo
),
7268 PROC(LAYOUTGET
, enc_layoutget
, dec_layoutget
),
7269 PROC(LAYOUTCOMMIT
, enc_layoutcommit
, dec_layoutcommit
),
7270 PROC(LAYOUTRETURN
, enc_layoutreturn
, dec_layoutreturn
),
7271 PROC(SECINFO_NO_NAME
, enc_secinfo_no_name
, dec_secinfo_no_name
),
7272 PROC(TEST_STATEID
, enc_test_stateid
, dec_test_stateid
),
7273 PROC(FREE_STATEID
, enc_free_stateid
, dec_free_stateid
),
7274 PROC(GETDEVICELIST
, enc_getdevicelist
, dec_getdevicelist
),
7275 PROC(BIND_CONN_TO_SESSION
,
7276 enc_bind_conn_to_session
, dec_bind_conn_to_session
),
7277 PROC(DESTROY_CLIENTID
, enc_destroy_clientid
, dec_destroy_clientid
),
7278 #endif /* CONFIG_NFS_V4_1 */
7281 const struct rpc_version nfs_version4
= {
7283 .nrprocs
= ARRAY_SIZE(nfs4_procedures
),
7284 .procs
= nfs4_procedures