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>
59 #include "nfs4session.h"
63 #define NFSDBG_FACILITY NFSDBG_XDR
65 /* Mapping from NFS error code to "errno" error code. */
66 #define errno_NFSERR_IO EIO
68 static int nfs4_stat_to_errno(int);
70 /* NFSv4 COMPOUND tags are only wanted for debugging purposes */
72 #define NFS4_MAXTAGLEN 20
74 #define NFS4_MAXTAGLEN 0
77 /* lock,open owner id:
78 * we currently use size 2 (u64) out of (NFS4_OPAQUE_LIMIT >> 2)
80 #define open_owner_id_maxsz (1 + 2 + 1 + 1 + 2)
81 #define lock_owner_id_maxsz (1 + 1 + 4)
82 #define decode_lockowner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ))
83 #define compound_encode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2))
84 #define compound_decode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2))
85 #define op_encode_hdr_maxsz (1)
86 #define op_decode_hdr_maxsz (2)
87 #define encode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE))
88 #define decode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE))
89 #define encode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE))
90 #define decode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE))
91 #define encode_putfh_maxsz (op_encode_hdr_maxsz + 1 + \
93 #define decode_putfh_maxsz (op_decode_hdr_maxsz)
94 #define encode_putrootfh_maxsz (op_encode_hdr_maxsz)
95 #define decode_putrootfh_maxsz (op_decode_hdr_maxsz)
96 #define encode_getfh_maxsz (op_encode_hdr_maxsz)
97 #define decode_getfh_maxsz (op_decode_hdr_maxsz + 1 + \
98 ((3+NFS4_FHSIZE) >> 2))
99 #define nfs4_fattr_bitmap_maxsz 4
100 #define encode_getattr_maxsz (op_encode_hdr_maxsz + nfs4_fattr_bitmap_maxsz)
101 #define nfs4_name_maxsz (1 + ((3 + NFS4_MAXNAMLEN) >> 2))
102 #define nfs4_path_maxsz (1 + ((3 + NFS4_MAXPATHLEN) >> 2))
103 #define nfs4_owner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ))
104 #define nfs4_group_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ))
105 /* We support only one layout type per file system */
106 #define decode_mdsthreshold_maxsz (1 + 1 + nfs4_fattr_bitmap_maxsz + 1 + 8)
107 /* This is based on getfattr, which uses the most attributes: */
108 #define nfs4_fattr_value_maxsz (1 + (1 + 2 + 2 + 4 + 2 + 1 + 1 + 2 + 2 + \
109 3 + 3 + 3 + nfs4_owner_maxsz + \
110 nfs4_group_maxsz + decode_mdsthreshold_maxsz))
111 #define nfs4_fattr_maxsz (nfs4_fattr_bitmap_maxsz + \
112 nfs4_fattr_value_maxsz)
113 #define decode_getattr_maxsz (op_decode_hdr_maxsz + nfs4_fattr_maxsz)
114 #define encode_attrs_maxsz (nfs4_fattr_bitmap_maxsz + \
119 #define encode_savefh_maxsz (op_encode_hdr_maxsz)
120 #define decode_savefh_maxsz (op_decode_hdr_maxsz)
121 #define encode_restorefh_maxsz (op_encode_hdr_maxsz)
122 #define decode_restorefh_maxsz (op_decode_hdr_maxsz)
123 #define encode_fsinfo_maxsz (encode_getattr_maxsz)
124 /* The 5 accounts for the PNFS attributes, and assumes that at most three
125 * layout types will be returned.
127 #define decode_fsinfo_maxsz (op_decode_hdr_maxsz + \
128 nfs4_fattr_bitmap_maxsz + 4 + 8 + 5)
129 #define encode_renew_maxsz (op_encode_hdr_maxsz + 3)
130 #define decode_renew_maxsz (op_decode_hdr_maxsz)
131 #define encode_setclientid_maxsz \
132 (op_encode_hdr_maxsz + \
133 XDR_QUADLEN(NFS4_VERIFIER_SIZE) + \
134 XDR_QUADLEN(NFS4_SETCLIENTID_NAMELEN) + \
136 XDR_QUADLEN(RPCBIND_MAXNETIDLEN) + \
137 XDR_QUADLEN(RPCBIND_MAXUADDRLEN) + \
139 #define decode_setclientid_maxsz \
140 (op_decode_hdr_maxsz + \
142 1024) /* large value for CLID_INUSE */
143 #define encode_setclientid_confirm_maxsz \
144 (op_encode_hdr_maxsz + \
145 3 + (NFS4_VERIFIER_SIZE >> 2))
146 #define decode_setclientid_confirm_maxsz \
147 (op_decode_hdr_maxsz)
148 #define encode_lookup_maxsz (op_encode_hdr_maxsz + nfs4_name_maxsz)
149 #define decode_lookup_maxsz (op_decode_hdr_maxsz)
150 #define encode_share_access_maxsz \
152 #define encode_createmode_maxsz (1 + encode_attrs_maxsz + encode_verifier_maxsz)
153 #define encode_opentype_maxsz (1 + encode_createmode_maxsz)
154 #define encode_claim_null_maxsz (1 + nfs4_name_maxsz)
155 #define encode_open_maxsz (op_encode_hdr_maxsz + \
156 2 + encode_share_access_maxsz + 2 + \
157 open_owner_id_maxsz + \
158 encode_opentype_maxsz + \
159 encode_claim_null_maxsz)
160 #define decode_ace_maxsz (3 + nfs4_owner_maxsz)
161 #define decode_delegation_maxsz (1 + decode_stateid_maxsz + 1 + \
163 #define decode_change_info_maxsz (5)
164 #define decode_open_maxsz (op_decode_hdr_maxsz + \
165 decode_stateid_maxsz + \
166 decode_change_info_maxsz + 1 + \
167 nfs4_fattr_bitmap_maxsz + \
168 decode_delegation_maxsz)
169 #define encode_open_confirm_maxsz \
170 (op_encode_hdr_maxsz + \
171 encode_stateid_maxsz + 1)
172 #define decode_open_confirm_maxsz \
173 (op_decode_hdr_maxsz + \
174 decode_stateid_maxsz)
175 #define encode_open_downgrade_maxsz \
176 (op_encode_hdr_maxsz + \
177 encode_stateid_maxsz + 1 + \
178 encode_share_access_maxsz)
179 #define decode_open_downgrade_maxsz \
180 (op_decode_hdr_maxsz + \
181 decode_stateid_maxsz)
182 #define encode_close_maxsz (op_encode_hdr_maxsz + \
183 1 + encode_stateid_maxsz)
184 #define decode_close_maxsz (op_decode_hdr_maxsz + \
185 decode_stateid_maxsz)
186 #define encode_setattr_maxsz (op_encode_hdr_maxsz + \
187 encode_stateid_maxsz + \
189 #define decode_setattr_maxsz (op_decode_hdr_maxsz + \
190 nfs4_fattr_bitmap_maxsz)
191 #define encode_read_maxsz (op_encode_hdr_maxsz + \
192 encode_stateid_maxsz + 3)
193 #define decode_read_maxsz (op_decode_hdr_maxsz + 2)
194 #define encode_readdir_maxsz (op_encode_hdr_maxsz + \
195 2 + encode_verifier_maxsz + 5)
196 #define decode_readdir_maxsz (op_decode_hdr_maxsz + \
197 decode_verifier_maxsz)
198 #define encode_readlink_maxsz (op_encode_hdr_maxsz)
199 #define decode_readlink_maxsz (op_decode_hdr_maxsz + 1)
200 #define encode_write_maxsz (op_encode_hdr_maxsz + \
201 encode_stateid_maxsz + 4)
202 #define decode_write_maxsz (op_decode_hdr_maxsz + \
203 2 + decode_verifier_maxsz)
204 #define encode_commit_maxsz (op_encode_hdr_maxsz + 3)
205 #define decode_commit_maxsz (op_decode_hdr_maxsz + \
206 decode_verifier_maxsz)
207 #define encode_remove_maxsz (op_encode_hdr_maxsz + \
209 #define decode_remove_maxsz (op_decode_hdr_maxsz + \
210 decode_change_info_maxsz)
211 #define encode_rename_maxsz (op_encode_hdr_maxsz + \
213 #define decode_rename_maxsz (op_decode_hdr_maxsz + \
214 decode_change_info_maxsz + \
215 decode_change_info_maxsz)
216 #define encode_link_maxsz (op_encode_hdr_maxsz + \
218 #define decode_link_maxsz (op_decode_hdr_maxsz + decode_change_info_maxsz)
219 #define encode_lockowner_maxsz (7)
220 #define encode_lock_maxsz (op_encode_hdr_maxsz + \
222 1 + encode_stateid_maxsz + 1 + \
223 encode_lockowner_maxsz)
224 #define decode_lock_denied_maxsz \
225 (8 + decode_lockowner_maxsz)
226 #define decode_lock_maxsz (op_decode_hdr_maxsz + \
227 decode_lock_denied_maxsz)
228 #define encode_lockt_maxsz (op_encode_hdr_maxsz + 5 + \
229 encode_lockowner_maxsz)
230 #define decode_lockt_maxsz (op_decode_hdr_maxsz + \
231 decode_lock_denied_maxsz)
232 #define encode_locku_maxsz (op_encode_hdr_maxsz + 3 + \
233 encode_stateid_maxsz + \
235 #define decode_locku_maxsz (op_decode_hdr_maxsz + \
236 decode_stateid_maxsz)
237 #define encode_release_lockowner_maxsz \
238 (op_encode_hdr_maxsz + \
239 encode_lockowner_maxsz)
240 #define decode_release_lockowner_maxsz \
241 (op_decode_hdr_maxsz)
242 #define encode_access_maxsz (op_encode_hdr_maxsz + 1)
243 #define decode_access_maxsz (op_decode_hdr_maxsz + 2)
244 #define encode_symlink_maxsz (op_encode_hdr_maxsz + \
245 1 + nfs4_name_maxsz + \
248 #define decode_symlink_maxsz (op_decode_hdr_maxsz + 8)
249 #define encode_create_maxsz (op_encode_hdr_maxsz + \
250 1 + 2 + nfs4_name_maxsz + \
252 #define decode_create_maxsz (op_decode_hdr_maxsz + \
253 decode_change_info_maxsz + \
254 nfs4_fattr_bitmap_maxsz)
255 #define encode_statfs_maxsz (encode_getattr_maxsz)
256 #define decode_statfs_maxsz (decode_getattr_maxsz)
257 #define encode_delegreturn_maxsz (op_encode_hdr_maxsz + 4)
258 #define decode_delegreturn_maxsz (op_decode_hdr_maxsz)
259 #define encode_getacl_maxsz (encode_getattr_maxsz)
260 #define decode_getacl_maxsz (op_decode_hdr_maxsz + \
261 nfs4_fattr_bitmap_maxsz + 1)
262 #define encode_setacl_maxsz (op_encode_hdr_maxsz + \
263 encode_stateid_maxsz + 3)
264 #define decode_setacl_maxsz (decode_setattr_maxsz)
265 #define encode_fs_locations_maxsz \
266 (encode_getattr_maxsz)
267 #define decode_fs_locations_maxsz \
269 #define encode_secinfo_maxsz (op_encode_hdr_maxsz + nfs4_name_maxsz)
270 #define decode_secinfo_maxsz (op_decode_hdr_maxsz + 1 + ((NFS_MAX_SECFLAVORS * (16 + GSS_OID_MAX_LEN)) / 4))
272 #if defined(CONFIG_NFS_V4_1)
273 #define NFS4_MAX_MACHINE_NAME_LEN (64)
274 #define IMPL_NAME_LIMIT (sizeof(utsname()->sysname) + sizeof(utsname()->release) + \
275 sizeof(utsname()->version) + sizeof(utsname()->machine) + 8)
277 #define encode_exchange_id_maxsz (op_encode_hdr_maxsz + \
278 encode_verifier_maxsz + \
279 1 /* co_ownerid.len */ + \
280 XDR_QUADLEN(NFS4_EXCHANGE_ID_LEN) + \
283 0 /* SP4_NONE (for now) */ + \
284 1 /* implementation id array of size 1 */ + \
285 1 /* nii_domain */ + \
286 XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \
288 XDR_QUADLEN(IMPL_NAME_LIMIT) + \
290 #define decode_exchange_id_maxsz (op_decode_hdr_maxsz + \
291 2 /* eir_clientid */ + \
292 1 /* eir_sequenceid */ + \
293 1 /* eir_flags */ + \
295 0 /* SP4_NONE (for now) */ + \
296 2 /* eir_server_owner.so_minor_id */ + \
297 /* eir_server_owner.so_major_id<> */ \
298 XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 + \
299 /* eir_server_scope<> */ \
300 XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 + \
301 1 /* eir_server_impl_id array length */ + \
302 1 /* nii_domain */ + \
303 XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \
305 XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \
307 #define encode_channel_attrs_maxsz (6 + 1 /* ca_rdma_ird.len (0) */)
308 #define decode_channel_attrs_maxsz (6 + \
309 1 /* ca_rdma_ird.len */ + \
311 #define encode_create_session_maxsz (op_encode_hdr_maxsz + \
312 2 /* csa_clientid */ + \
313 1 /* csa_sequence */ + \
314 1 /* csa_flags */ + \
315 encode_channel_attrs_maxsz + \
316 encode_channel_attrs_maxsz + \
317 1 /* csa_cb_program */ + \
318 1 /* csa_sec_parms.len (1) */ + \
319 1 /* cb_secflavor (AUTH_SYS) */ + \
321 1 /* machinename.len */ + \
322 XDR_QUADLEN(NFS4_MAX_MACHINE_NAME_LEN) + \
325 1 /* gids.len (0) */)
326 #define decode_create_session_maxsz (op_decode_hdr_maxsz + \
327 XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + \
328 1 /* csr_sequence */ + \
329 1 /* csr_flags */ + \
330 decode_channel_attrs_maxsz + \
331 decode_channel_attrs_maxsz)
332 #define encode_bind_conn_to_session_maxsz (op_encode_hdr_maxsz + \
334 XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + \
335 1 /* bctsa_dir */ + \
336 1 /* bctsa_use_conn_in_rdma_mode */)
337 #define decode_bind_conn_to_session_maxsz (op_decode_hdr_maxsz + \
339 XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + \
340 1 /* bctsr_dir */ + \
341 1 /* bctsr_use_conn_in_rdma_mode */)
342 #define encode_destroy_session_maxsz (op_encode_hdr_maxsz + 4)
343 #define decode_destroy_session_maxsz (op_decode_hdr_maxsz)
344 #define encode_destroy_clientid_maxsz (op_encode_hdr_maxsz + 2)
345 #define decode_destroy_clientid_maxsz (op_decode_hdr_maxsz)
346 #define encode_sequence_maxsz (op_encode_hdr_maxsz + \
347 XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 4)
348 #define decode_sequence_maxsz (op_decode_hdr_maxsz + \
349 XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 5)
350 #define encode_reclaim_complete_maxsz (op_encode_hdr_maxsz + 4)
351 #define decode_reclaim_complete_maxsz (op_decode_hdr_maxsz + 4)
352 #define encode_getdevicelist_maxsz (op_encode_hdr_maxsz + 4 + \
353 encode_verifier_maxsz)
354 #define decode_getdevicelist_maxsz (op_decode_hdr_maxsz + \
355 2 /* nfs_cookie4 gdlr_cookie */ + \
356 decode_verifier_maxsz \
357 /* verifier4 gdlr_verifier */ + \
358 1 /* gdlr_deviceid_list count */ + \
359 XDR_QUADLEN(NFS4_PNFS_GETDEVLIST_MAXNUM * \
360 NFS4_DEVICEID4_SIZE) \
361 /* gdlr_deviceid_list */ + \
362 1 /* bool gdlr_eof */)
363 #define encode_getdeviceinfo_maxsz (op_encode_hdr_maxsz + 4 + \
364 XDR_QUADLEN(NFS4_DEVICEID4_SIZE))
365 #define decode_getdeviceinfo_maxsz (op_decode_hdr_maxsz + \
366 1 /* layout type */ + \
367 1 /* opaque devaddr4 length */ + \
368 /* devaddr4 payload is read into page */ \
369 1 /* notification bitmap length */ + \
370 1 /* notification bitmap */)
371 #define encode_layoutget_maxsz (op_encode_hdr_maxsz + 10 + \
372 encode_stateid_maxsz)
373 #define decode_layoutget_maxsz (op_decode_hdr_maxsz + 8 + \
374 decode_stateid_maxsz + \
375 XDR_QUADLEN(PNFS_LAYOUT_MAXSIZE))
376 #define encode_layoutcommit_maxsz (op_encode_hdr_maxsz + \
380 encode_stateid_maxsz + \
381 1 /* new offset (true) */ + \
382 2 /* last byte written */ + \
383 1 /* nt_timechanged (false) */ + \
384 1 /* layoutupdate4 layout type */ + \
385 1 /* NULL filelayout layoutupdate4 payload */)
386 #define decode_layoutcommit_maxsz (op_decode_hdr_maxsz + 3)
387 #define encode_layoutreturn_maxsz (8 + op_encode_hdr_maxsz + \
388 encode_stateid_maxsz + \
389 1 /* FIXME: opaque lrf_body always empty at the moment */)
390 #define decode_layoutreturn_maxsz (op_decode_hdr_maxsz + \
391 1 + decode_stateid_maxsz)
392 #define encode_secinfo_no_name_maxsz (op_encode_hdr_maxsz + 1)
393 #define decode_secinfo_no_name_maxsz decode_secinfo_maxsz
394 #define encode_test_stateid_maxsz (op_encode_hdr_maxsz + 2 + \
395 XDR_QUADLEN(NFS4_STATEID_SIZE))
396 #define decode_test_stateid_maxsz (op_decode_hdr_maxsz + 2 + 1)
397 #define encode_free_stateid_maxsz (op_encode_hdr_maxsz + 1 + \
398 XDR_QUADLEN(NFS4_STATEID_SIZE))
399 #define decode_free_stateid_maxsz (op_decode_hdr_maxsz + 1)
400 #else /* CONFIG_NFS_V4_1 */
401 #define encode_sequence_maxsz 0
402 #define decode_sequence_maxsz 0
403 #endif /* CONFIG_NFS_V4_1 */
405 #define NFS4_enc_compound_sz (1024) /* XXX: large enough? */
406 #define NFS4_dec_compound_sz (1024) /* XXX: large enough? */
407 #define NFS4_enc_read_sz (compound_encode_hdr_maxsz + \
408 encode_sequence_maxsz + \
409 encode_putfh_maxsz + \
411 #define NFS4_dec_read_sz (compound_decode_hdr_maxsz + \
412 decode_sequence_maxsz + \
413 decode_putfh_maxsz + \
415 #define NFS4_enc_readlink_sz (compound_encode_hdr_maxsz + \
416 encode_sequence_maxsz + \
417 encode_putfh_maxsz + \
418 encode_readlink_maxsz)
419 #define NFS4_dec_readlink_sz (compound_decode_hdr_maxsz + \
420 decode_sequence_maxsz + \
421 decode_putfh_maxsz + \
422 decode_readlink_maxsz)
423 #define NFS4_enc_readdir_sz (compound_encode_hdr_maxsz + \
424 encode_sequence_maxsz + \
425 encode_putfh_maxsz + \
426 encode_readdir_maxsz)
427 #define NFS4_dec_readdir_sz (compound_decode_hdr_maxsz + \
428 decode_sequence_maxsz + \
429 decode_putfh_maxsz + \
430 decode_readdir_maxsz)
431 #define NFS4_enc_write_sz (compound_encode_hdr_maxsz + \
432 encode_sequence_maxsz + \
433 encode_putfh_maxsz + \
434 encode_write_maxsz + \
435 encode_getattr_maxsz)
436 #define NFS4_dec_write_sz (compound_decode_hdr_maxsz + \
437 decode_sequence_maxsz + \
438 decode_putfh_maxsz + \
439 decode_write_maxsz + \
440 decode_getattr_maxsz)
441 #define NFS4_enc_commit_sz (compound_encode_hdr_maxsz + \
442 encode_sequence_maxsz + \
443 encode_putfh_maxsz + \
445 #define NFS4_dec_commit_sz (compound_decode_hdr_maxsz + \
446 decode_sequence_maxsz + \
447 decode_putfh_maxsz + \
449 #define NFS4_enc_open_sz (compound_encode_hdr_maxsz + \
450 encode_sequence_maxsz + \
451 encode_putfh_maxsz + \
452 encode_open_maxsz + \
453 encode_access_maxsz + \
454 encode_getfh_maxsz + \
455 encode_getattr_maxsz)
456 #define NFS4_dec_open_sz (compound_decode_hdr_maxsz + \
457 decode_sequence_maxsz + \
458 decode_putfh_maxsz + \
459 decode_open_maxsz + \
460 decode_access_maxsz + \
461 decode_getfh_maxsz + \
462 decode_getattr_maxsz)
463 #define NFS4_enc_open_confirm_sz \
464 (compound_encode_hdr_maxsz + \
465 encode_putfh_maxsz + \
466 encode_open_confirm_maxsz)
467 #define NFS4_dec_open_confirm_sz \
468 (compound_decode_hdr_maxsz + \
469 decode_putfh_maxsz + \
470 decode_open_confirm_maxsz)
471 #define NFS4_enc_open_noattr_sz (compound_encode_hdr_maxsz + \
472 encode_sequence_maxsz + \
473 encode_putfh_maxsz + \
474 encode_open_maxsz + \
475 encode_access_maxsz + \
476 encode_getattr_maxsz)
477 #define NFS4_dec_open_noattr_sz (compound_decode_hdr_maxsz + \
478 decode_sequence_maxsz + \
479 decode_putfh_maxsz + \
480 decode_open_maxsz + \
481 decode_access_maxsz + \
482 decode_getattr_maxsz)
483 #define NFS4_enc_open_downgrade_sz \
484 (compound_encode_hdr_maxsz + \
485 encode_sequence_maxsz + \
486 encode_putfh_maxsz + \
487 encode_open_downgrade_maxsz + \
488 encode_getattr_maxsz)
489 #define NFS4_dec_open_downgrade_sz \
490 (compound_decode_hdr_maxsz + \
491 decode_sequence_maxsz + \
492 decode_putfh_maxsz + \
493 decode_open_downgrade_maxsz + \
494 decode_getattr_maxsz)
495 #define NFS4_enc_close_sz (compound_encode_hdr_maxsz + \
496 encode_sequence_maxsz + \
497 encode_putfh_maxsz + \
498 encode_close_maxsz + \
499 encode_getattr_maxsz)
500 #define NFS4_dec_close_sz (compound_decode_hdr_maxsz + \
501 decode_sequence_maxsz + \
502 decode_putfh_maxsz + \
503 decode_close_maxsz + \
504 decode_getattr_maxsz)
505 #define NFS4_enc_setattr_sz (compound_encode_hdr_maxsz + \
506 encode_sequence_maxsz + \
507 encode_putfh_maxsz + \
508 encode_setattr_maxsz + \
509 encode_getattr_maxsz)
510 #define NFS4_dec_setattr_sz (compound_decode_hdr_maxsz + \
511 decode_sequence_maxsz + \
512 decode_putfh_maxsz + \
513 decode_setattr_maxsz + \
514 decode_getattr_maxsz)
515 #define NFS4_enc_fsinfo_sz (compound_encode_hdr_maxsz + \
516 encode_sequence_maxsz + \
517 encode_putfh_maxsz + \
519 #define NFS4_dec_fsinfo_sz (compound_decode_hdr_maxsz + \
520 decode_sequence_maxsz + \
521 decode_putfh_maxsz + \
523 #define NFS4_enc_renew_sz (compound_encode_hdr_maxsz + \
525 #define NFS4_dec_renew_sz (compound_decode_hdr_maxsz + \
527 #define NFS4_enc_setclientid_sz (compound_encode_hdr_maxsz + \
528 encode_setclientid_maxsz)
529 #define NFS4_dec_setclientid_sz (compound_decode_hdr_maxsz + \
530 decode_setclientid_maxsz)
531 #define NFS4_enc_setclientid_confirm_sz \
532 (compound_encode_hdr_maxsz + \
533 encode_setclientid_confirm_maxsz)
534 #define NFS4_dec_setclientid_confirm_sz \
535 (compound_decode_hdr_maxsz + \
536 decode_setclientid_confirm_maxsz)
537 #define NFS4_enc_lock_sz (compound_encode_hdr_maxsz + \
538 encode_sequence_maxsz + \
539 encode_putfh_maxsz + \
541 #define NFS4_dec_lock_sz (compound_decode_hdr_maxsz + \
542 decode_sequence_maxsz + \
543 decode_putfh_maxsz + \
545 #define NFS4_enc_lockt_sz (compound_encode_hdr_maxsz + \
546 encode_sequence_maxsz + \
547 encode_putfh_maxsz + \
549 #define NFS4_dec_lockt_sz (compound_decode_hdr_maxsz + \
550 decode_sequence_maxsz + \
551 decode_putfh_maxsz + \
553 #define NFS4_enc_locku_sz (compound_encode_hdr_maxsz + \
554 encode_sequence_maxsz + \
555 encode_putfh_maxsz + \
557 #define NFS4_dec_locku_sz (compound_decode_hdr_maxsz + \
558 decode_sequence_maxsz + \
559 decode_putfh_maxsz + \
561 #define NFS4_enc_release_lockowner_sz \
562 (compound_encode_hdr_maxsz + \
563 encode_lockowner_maxsz)
564 #define NFS4_dec_release_lockowner_sz \
565 (compound_decode_hdr_maxsz + \
566 decode_lockowner_maxsz)
567 #define NFS4_enc_access_sz (compound_encode_hdr_maxsz + \
568 encode_sequence_maxsz + \
569 encode_putfh_maxsz + \
570 encode_access_maxsz + \
571 encode_getattr_maxsz)
572 #define NFS4_dec_access_sz (compound_decode_hdr_maxsz + \
573 decode_sequence_maxsz + \
574 decode_putfh_maxsz + \
575 decode_access_maxsz + \
576 decode_getattr_maxsz)
577 #define NFS4_enc_getattr_sz (compound_encode_hdr_maxsz + \
578 encode_sequence_maxsz + \
579 encode_putfh_maxsz + \
580 encode_getattr_maxsz)
581 #define NFS4_dec_getattr_sz (compound_decode_hdr_maxsz + \
582 decode_sequence_maxsz + \
583 decode_putfh_maxsz + \
584 decode_getattr_maxsz)
585 #define NFS4_enc_lookup_sz (compound_encode_hdr_maxsz + \
586 encode_sequence_maxsz + \
587 encode_putfh_maxsz + \
588 encode_lookup_maxsz + \
589 encode_getattr_maxsz + \
591 #define NFS4_dec_lookup_sz (compound_decode_hdr_maxsz + \
592 decode_sequence_maxsz + \
593 decode_putfh_maxsz + \
594 decode_lookup_maxsz + \
595 decode_getattr_maxsz + \
597 #define NFS4_enc_lookup_root_sz (compound_encode_hdr_maxsz + \
598 encode_sequence_maxsz + \
599 encode_putrootfh_maxsz + \
600 encode_getattr_maxsz + \
602 #define NFS4_dec_lookup_root_sz (compound_decode_hdr_maxsz + \
603 decode_sequence_maxsz + \
604 decode_putrootfh_maxsz + \
605 decode_getattr_maxsz + \
607 #define NFS4_enc_remove_sz (compound_encode_hdr_maxsz + \
608 encode_sequence_maxsz + \
609 encode_putfh_maxsz + \
611 #define NFS4_dec_remove_sz (compound_decode_hdr_maxsz + \
612 decode_sequence_maxsz + \
613 decode_putfh_maxsz + \
615 #define NFS4_enc_rename_sz (compound_encode_hdr_maxsz + \
616 encode_sequence_maxsz + \
617 encode_putfh_maxsz + \
618 encode_savefh_maxsz + \
619 encode_putfh_maxsz + \
621 #define NFS4_dec_rename_sz (compound_decode_hdr_maxsz + \
622 decode_sequence_maxsz + \
623 decode_putfh_maxsz + \
624 decode_savefh_maxsz + \
625 decode_putfh_maxsz + \
627 #define NFS4_enc_link_sz (compound_encode_hdr_maxsz + \
628 encode_sequence_maxsz + \
629 encode_putfh_maxsz + \
630 encode_savefh_maxsz + \
631 encode_putfh_maxsz + \
632 encode_link_maxsz + \
633 encode_restorefh_maxsz + \
634 encode_getattr_maxsz)
635 #define NFS4_dec_link_sz (compound_decode_hdr_maxsz + \
636 decode_sequence_maxsz + \
637 decode_putfh_maxsz + \
638 decode_savefh_maxsz + \
639 decode_putfh_maxsz + \
640 decode_link_maxsz + \
641 decode_restorefh_maxsz + \
642 decode_getattr_maxsz)
643 #define NFS4_enc_symlink_sz (compound_encode_hdr_maxsz + \
644 encode_sequence_maxsz + \
645 encode_putfh_maxsz + \
646 encode_symlink_maxsz + \
647 encode_getattr_maxsz + \
649 #define NFS4_dec_symlink_sz (compound_decode_hdr_maxsz + \
650 decode_sequence_maxsz + \
651 decode_putfh_maxsz + \
652 decode_symlink_maxsz + \
653 decode_getattr_maxsz + \
655 #define NFS4_enc_create_sz (compound_encode_hdr_maxsz + \
656 encode_sequence_maxsz + \
657 encode_putfh_maxsz + \
658 encode_create_maxsz + \
659 encode_getfh_maxsz + \
660 encode_getattr_maxsz)
661 #define NFS4_dec_create_sz (compound_decode_hdr_maxsz + \
662 decode_sequence_maxsz + \
663 decode_putfh_maxsz + \
664 decode_create_maxsz + \
665 decode_getfh_maxsz + \
666 decode_getattr_maxsz)
667 #define NFS4_enc_pathconf_sz (compound_encode_hdr_maxsz + \
668 encode_sequence_maxsz + \
669 encode_putfh_maxsz + \
670 encode_getattr_maxsz)
671 #define NFS4_dec_pathconf_sz (compound_decode_hdr_maxsz + \
672 decode_sequence_maxsz + \
673 decode_putfh_maxsz + \
674 decode_getattr_maxsz)
675 #define NFS4_enc_statfs_sz (compound_encode_hdr_maxsz + \
676 encode_sequence_maxsz + \
677 encode_putfh_maxsz + \
679 #define NFS4_dec_statfs_sz (compound_decode_hdr_maxsz + \
680 decode_sequence_maxsz + \
681 decode_putfh_maxsz + \
683 #define NFS4_enc_server_caps_sz (compound_encode_hdr_maxsz + \
684 encode_sequence_maxsz + \
685 encode_putfh_maxsz + \
686 encode_getattr_maxsz)
687 #define NFS4_dec_server_caps_sz (compound_decode_hdr_maxsz + \
688 decode_sequence_maxsz + \
689 decode_putfh_maxsz + \
690 decode_getattr_maxsz)
691 #define NFS4_enc_delegreturn_sz (compound_encode_hdr_maxsz + \
692 encode_sequence_maxsz + \
693 encode_putfh_maxsz + \
694 encode_delegreturn_maxsz + \
695 encode_getattr_maxsz)
696 #define NFS4_dec_delegreturn_sz (compound_decode_hdr_maxsz + \
697 decode_sequence_maxsz + \
698 decode_delegreturn_maxsz + \
699 decode_getattr_maxsz)
700 #define NFS4_enc_getacl_sz (compound_encode_hdr_maxsz + \
701 encode_sequence_maxsz + \
702 encode_putfh_maxsz + \
704 #define NFS4_dec_getacl_sz (compound_decode_hdr_maxsz + \
705 decode_sequence_maxsz + \
706 decode_putfh_maxsz + \
708 #define NFS4_enc_setacl_sz (compound_encode_hdr_maxsz + \
709 encode_sequence_maxsz + \
710 encode_putfh_maxsz + \
712 #define NFS4_dec_setacl_sz (compound_decode_hdr_maxsz + \
713 decode_sequence_maxsz + \
714 decode_putfh_maxsz + \
716 #define NFS4_enc_fs_locations_sz \
717 (compound_encode_hdr_maxsz + \
718 encode_sequence_maxsz + \
719 encode_putfh_maxsz + \
720 encode_lookup_maxsz + \
721 encode_fs_locations_maxsz)
722 #define NFS4_dec_fs_locations_sz \
723 (compound_decode_hdr_maxsz + \
724 decode_sequence_maxsz + \
725 decode_putfh_maxsz + \
726 decode_lookup_maxsz + \
727 decode_fs_locations_maxsz)
728 #define NFS4_enc_secinfo_sz (compound_encode_hdr_maxsz + \
729 encode_sequence_maxsz + \
730 encode_putfh_maxsz + \
731 encode_secinfo_maxsz)
732 #define NFS4_dec_secinfo_sz (compound_decode_hdr_maxsz + \
733 decode_sequence_maxsz + \
734 decode_putfh_maxsz + \
735 decode_secinfo_maxsz)
736 #if defined(CONFIG_NFS_V4_1)
737 #define NFS4_enc_bind_conn_to_session_sz \
738 (compound_encode_hdr_maxsz + \
739 encode_bind_conn_to_session_maxsz)
740 #define NFS4_dec_bind_conn_to_session_sz \
741 (compound_decode_hdr_maxsz + \
742 decode_bind_conn_to_session_maxsz)
743 #define NFS4_enc_exchange_id_sz \
744 (compound_encode_hdr_maxsz + \
745 encode_exchange_id_maxsz)
746 #define NFS4_dec_exchange_id_sz \
747 (compound_decode_hdr_maxsz + \
748 decode_exchange_id_maxsz)
749 #define NFS4_enc_create_session_sz \
750 (compound_encode_hdr_maxsz + \
751 encode_create_session_maxsz)
752 #define NFS4_dec_create_session_sz \
753 (compound_decode_hdr_maxsz + \
754 decode_create_session_maxsz)
755 #define NFS4_enc_destroy_session_sz (compound_encode_hdr_maxsz + \
756 encode_destroy_session_maxsz)
757 #define NFS4_dec_destroy_session_sz (compound_decode_hdr_maxsz + \
758 decode_destroy_session_maxsz)
759 #define NFS4_enc_destroy_clientid_sz (compound_encode_hdr_maxsz + \
760 encode_destroy_clientid_maxsz)
761 #define NFS4_dec_destroy_clientid_sz (compound_decode_hdr_maxsz + \
762 decode_destroy_clientid_maxsz)
763 #define NFS4_enc_sequence_sz \
764 (compound_decode_hdr_maxsz + \
765 encode_sequence_maxsz)
766 #define NFS4_dec_sequence_sz \
767 (compound_decode_hdr_maxsz + \
768 decode_sequence_maxsz)
769 #define NFS4_enc_get_lease_time_sz (compound_encode_hdr_maxsz + \
770 encode_sequence_maxsz + \
771 encode_putrootfh_maxsz + \
773 #define NFS4_dec_get_lease_time_sz (compound_decode_hdr_maxsz + \
774 decode_sequence_maxsz + \
775 decode_putrootfh_maxsz + \
777 #define NFS4_enc_reclaim_complete_sz (compound_encode_hdr_maxsz + \
778 encode_sequence_maxsz + \
779 encode_reclaim_complete_maxsz)
780 #define NFS4_dec_reclaim_complete_sz (compound_decode_hdr_maxsz + \
781 decode_sequence_maxsz + \
782 decode_reclaim_complete_maxsz)
783 #define NFS4_enc_getdevicelist_sz (compound_encode_hdr_maxsz + \
784 encode_sequence_maxsz + \
785 encode_putfh_maxsz + \
786 encode_getdevicelist_maxsz)
787 #define NFS4_dec_getdevicelist_sz (compound_decode_hdr_maxsz + \
788 decode_sequence_maxsz + \
789 decode_putfh_maxsz + \
790 decode_getdevicelist_maxsz)
791 #define NFS4_enc_getdeviceinfo_sz (compound_encode_hdr_maxsz + \
792 encode_sequence_maxsz +\
793 encode_getdeviceinfo_maxsz)
794 #define NFS4_dec_getdeviceinfo_sz (compound_decode_hdr_maxsz + \
795 decode_sequence_maxsz + \
796 decode_getdeviceinfo_maxsz)
797 #define NFS4_enc_layoutget_sz (compound_encode_hdr_maxsz + \
798 encode_sequence_maxsz + \
799 encode_putfh_maxsz + \
800 encode_layoutget_maxsz)
801 #define NFS4_dec_layoutget_sz (compound_decode_hdr_maxsz + \
802 decode_sequence_maxsz + \
803 decode_putfh_maxsz + \
804 decode_layoutget_maxsz)
805 #define NFS4_enc_layoutcommit_sz (compound_encode_hdr_maxsz + \
806 encode_sequence_maxsz +\
807 encode_putfh_maxsz + \
808 encode_layoutcommit_maxsz + \
809 encode_getattr_maxsz)
810 #define NFS4_dec_layoutcommit_sz (compound_decode_hdr_maxsz + \
811 decode_sequence_maxsz + \
812 decode_putfh_maxsz + \
813 decode_layoutcommit_maxsz + \
814 decode_getattr_maxsz)
815 #define NFS4_enc_layoutreturn_sz (compound_encode_hdr_maxsz + \
816 encode_sequence_maxsz + \
817 encode_putfh_maxsz + \
818 encode_layoutreturn_maxsz)
819 #define NFS4_dec_layoutreturn_sz (compound_decode_hdr_maxsz + \
820 decode_sequence_maxsz + \
821 decode_putfh_maxsz + \
822 decode_layoutreturn_maxsz)
823 #define NFS4_enc_secinfo_no_name_sz (compound_encode_hdr_maxsz + \
824 encode_sequence_maxsz + \
825 encode_putrootfh_maxsz +\
826 encode_secinfo_no_name_maxsz)
827 #define NFS4_dec_secinfo_no_name_sz (compound_decode_hdr_maxsz + \
828 decode_sequence_maxsz + \
829 decode_putrootfh_maxsz + \
830 decode_secinfo_no_name_maxsz)
831 #define NFS4_enc_test_stateid_sz (compound_encode_hdr_maxsz + \
832 encode_sequence_maxsz + \
833 encode_test_stateid_maxsz)
834 #define NFS4_dec_test_stateid_sz (compound_decode_hdr_maxsz + \
835 decode_sequence_maxsz + \
836 decode_test_stateid_maxsz)
837 #define NFS4_enc_free_stateid_sz (compound_encode_hdr_maxsz + \
838 encode_sequence_maxsz + \
839 encode_free_stateid_maxsz)
840 #define NFS4_dec_free_stateid_sz (compound_decode_hdr_maxsz + \
841 decode_sequence_maxsz + \
842 decode_free_stateid_maxsz)
844 const u32 nfs41_maxwrite_overhead
= ((RPC_MAX_HEADER_WITH_AUTH
+
845 compound_encode_hdr_maxsz
+
846 encode_sequence_maxsz
+
848 encode_getattr_maxsz
) *
851 const u32 nfs41_maxread_overhead
= ((RPC_MAX_HEADER_WITH_AUTH
+
852 compound_decode_hdr_maxsz
+
853 decode_sequence_maxsz
+
854 decode_putfh_maxsz
) *
856 #endif /* CONFIG_NFS_V4_1 */
858 static const umode_t nfs_type2fmt
[] = {
865 [NF4SOCK
] = S_IFSOCK
,
871 struct compound_hdr
{
877 uint32_t replen
; /* expected reply words */
881 static __be32
*reserve_space(struct xdr_stream
*xdr
, size_t nbytes
)
883 __be32
*p
= xdr_reserve_space(xdr
, nbytes
);
888 static void encode_opaque_fixed(struct xdr_stream
*xdr
, const void *buf
, size_t len
)
892 p
= xdr_reserve_space(xdr
, len
);
893 xdr_encode_opaque_fixed(p
, buf
, len
);
896 static void encode_string(struct xdr_stream
*xdr
, unsigned int len
, const char *str
)
900 p
= reserve_space(xdr
, 4 + len
);
901 xdr_encode_opaque(p
, str
, len
);
904 static void encode_uint32(struct xdr_stream
*xdr
, u32 n
)
908 p
= reserve_space(xdr
, 4);
912 static void encode_uint64(struct xdr_stream
*xdr
, u64 n
)
916 p
= reserve_space(xdr
, 8);
917 xdr_encode_hyper(p
, n
);
920 static void encode_nfs4_seqid(struct xdr_stream
*xdr
,
921 const struct nfs_seqid
*seqid
)
923 encode_uint32(xdr
, seqid
->sequence
->counter
);
926 static void encode_compound_hdr(struct xdr_stream
*xdr
,
927 struct rpc_rqst
*req
,
928 struct compound_hdr
*hdr
)
931 struct rpc_auth
*auth
= req
->rq_cred
->cr_auth
;
933 /* initialize running count of expected bytes in reply.
934 * NOTE: the replied tag SHOULD be the same is the one sent,
935 * but this is not required as a MUST for the server to do so. */
936 hdr
->replen
= RPC_REPHDRSIZE
+ auth
->au_rslack
+ 3 + hdr
->taglen
;
938 WARN_ON_ONCE(hdr
->taglen
> NFS4_MAXTAGLEN
);
939 encode_string(xdr
, hdr
->taglen
, hdr
->tag
);
940 p
= reserve_space(xdr
, 8);
941 *p
++ = cpu_to_be32(hdr
->minorversion
);
943 *p
= cpu_to_be32(hdr
->nops
);
946 static void encode_op_hdr(struct xdr_stream
*xdr
, enum nfs_opnum4 op
,
948 struct compound_hdr
*hdr
)
950 encode_uint32(xdr
, op
);
952 hdr
->replen
+= replen
;
955 static void encode_nops(struct compound_hdr
*hdr
)
957 WARN_ON_ONCE(hdr
->nops
> NFS4_MAX_OPS
);
958 *hdr
->nops_p
= htonl(hdr
->nops
);
961 static void encode_nfs4_stateid(struct xdr_stream
*xdr
, const nfs4_stateid
*stateid
)
963 encode_opaque_fixed(xdr
, stateid
, NFS4_STATEID_SIZE
);
966 static void encode_nfs4_verifier(struct xdr_stream
*xdr
, const nfs4_verifier
*verf
)
968 encode_opaque_fixed(xdr
, verf
->data
, NFS4_VERIFIER_SIZE
);
971 static void encode_attrs(struct xdr_stream
*xdr
, const struct iattr
*iap
, const struct nfs_server
*server
)
973 char owner_name
[IDMAP_NAMESZ
];
974 char owner_group
[IDMAP_NAMESZ
];
975 int owner_namelen
= 0;
976 int owner_grouplen
= 0;
984 * We reserve enough space to write the entire attribute buffer at once.
985 * In the worst-case, this would be
986 * 12(bitmap) + 4(attrlen) + 8(size) + 4(mode) + 4(atime) + 4(mtime)
987 * = 36 bytes, plus any contribution from variable-length fields
988 * such as owner/group.
993 if (iap
->ia_valid
& ATTR_SIZE
)
995 if (iap
->ia_valid
& ATTR_MODE
)
997 if (iap
->ia_valid
& ATTR_UID
) {
998 owner_namelen
= nfs_map_uid_to_name(server
, iap
->ia_uid
, owner_name
, IDMAP_NAMESZ
);
999 if (owner_namelen
< 0) {
1000 dprintk("nfs: couldn't resolve uid %d to string\n",
1001 from_kuid(&init_user_ns
, iap
->ia_uid
));
1003 strcpy(owner_name
, "nobody");
1004 owner_namelen
= sizeof("nobody") - 1;
1007 len
+= 4 + (XDR_QUADLEN(owner_namelen
) << 2);
1009 if (iap
->ia_valid
& ATTR_GID
) {
1010 owner_grouplen
= nfs_map_gid_to_group(server
, iap
->ia_gid
, owner_group
, IDMAP_NAMESZ
);
1011 if (owner_grouplen
< 0) {
1012 dprintk("nfs: couldn't resolve gid %d to string\n",
1013 from_kgid(&init_user_ns
, iap
->ia_gid
));
1014 strcpy(owner_group
, "nobody");
1015 owner_grouplen
= sizeof("nobody") - 1;
1018 len
+= 4 + (XDR_QUADLEN(owner_grouplen
) << 2);
1020 if (iap
->ia_valid
& ATTR_ATIME_SET
)
1022 else if (iap
->ia_valid
& ATTR_ATIME
)
1024 if (iap
->ia_valid
& ATTR_MTIME_SET
)
1026 else if (iap
->ia_valid
& ATTR_MTIME
)
1028 p
= reserve_space(xdr
, len
);
1031 * We write the bitmap length now, but leave the bitmap and the attribute
1032 * buffer length to be backfilled at the end of this routine.
1034 *p
++ = cpu_to_be32(2);
1038 if (iap
->ia_valid
& ATTR_SIZE
) {
1039 bmval0
|= FATTR4_WORD0_SIZE
;
1040 p
= xdr_encode_hyper(p
, iap
->ia_size
);
1042 if (iap
->ia_valid
& ATTR_MODE
) {
1043 bmval1
|= FATTR4_WORD1_MODE
;
1044 *p
++ = cpu_to_be32(iap
->ia_mode
& S_IALLUGO
);
1046 if (iap
->ia_valid
& ATTR_UID
) {
1047 bmval1
|= FATTR4_WORD1_OWNER
;
1048 p
= xdr_encode_opaque(p
, owner_name
, owner_namelen
);
1050 if (iap
->ia_valid
& ATTR_GID
) {
1051 bmval1
|= FATTR4_WORD1_OWNER_GROUP
;
1052 p
= xdr_encode_opaque(p
, owner_group
, owner_grouplen
);
1054 if (iap
->ia_valid
& ATTR_ATIME_SET
) {
1055 bmval1
|= FATTR4_WORD1_TIME_ACCESS_SET
;
1056 *p
++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME
);
1057 p
= xdr_encode_hyper(p
, (s64
)iap
->ia_atime
.tv_sec
);
1058 *p
++ = cpu_to_be32(iap
->ia_atime
.tv_nsec
);
1060 else if (iap
->ia_valid
& ATTR_ATIME
) {
1061 bmval1
|= FATTR4_WORD1_TIME_ACCESS_SET
;
1062 *p
++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME
);
1064 if (iap
->ia_valid
& ATTR_MTIME_SET
) {
1065 bmval1
|= FATTR4_WORD1_TIME_MODIFY_SET
;
1066 *p
++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME
);
1067 p
= xdr_encode_hyper(p
, (s64
)iap
->ia_mtime
.tv_sec
);
1068 *p
++ = cpu_to_be32(iap
->ia_mtime
.tv_nsec
);
1070 else if (iap
->ia_valid
& ATTR_MTIME
) {
1071 bmval1
|= FATTR4_WORD1_TIME_MODIFY_SET
;
1072 *p
++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME
);
1076 * Now we backfill the bitmap and the attribute buffer length.
1078 if (len
!= ((char *)p
- (char *)q
) + 4) {
1079 printk(KERN_ERR
"NFS: Attr length error, %u != %Zu\n",
1080 len
, ((char *)p
- (char *)q
) + 4);
1083 len
= (char *)p
- (char *)q
- 12;
1084 *q
++ = htonl(bmval0
);
1085 *q
++ = htonl(bmval1
);
1091 static void encode_access(struct xdr_stream
*xdr
, u32 access
, struct compound_hdr
*hdr
)
1093 encode_op_hdr(xdr
, OP_ACCESS
, decode_access_maxsz
, hdr
);
1094 encode_uint32(xdr
, access
);
1097 static void encode_close(struct xdr_stream
*xdr
, const struct nfs_closeargs
*arg
, struct compound_hdr
*hdr
)
1099 encode_op_hdr(xdr
, OP_CLOSE
, decode_close_maxsz
, hdr
);
1100 encode_nfs4_seqid(xdr
, arg
->seqid
);
1101 encode_nfs4_stateid(xdr
, arg
->stateid
);
1104 static void encode_commit(struct xdr_stream
*xdr
, const struct nfs_commitargs
*args
, struct compound_hdr
*hdr
)
1108 encode_op_hdr(xdr
, OP_COMMIT
, decode_commit_maxsz
, hdr
);
1109 p
= reserve_space(xdr
, 12);
1110 p
= xdr_encode_hyper(p
, args
->offset
);
1111 *p
= cpu_to_be32(args
->count
);
1114 static void encode_create(struct xdr_stream
*xdr
, const struct nfs4_create_arg
*create
, struct compound_hdr
*hdr
)
1118 encode_op_hdr(xdr
, OP_CREATE
, decode_create_maxsz
, hdr
);
1119 encode_uint32(xdr
, create
->ftype
);
1121 switch (create
->ftype
) {
1123 p
= reserve_space(xdr
, 4);
1124 *p
= cpu_to_be32(create
->u
.symlink
.len
);
1125 xdr_write_pages(xdr
, create
->u
.symlink
.pages
, 0, create
->u
.symlink
.len
);
1128 case NF4BLK
: case NF4CHR
:
1129 p
= reserve_space(xdr
, 8);
1130 *p
++ = cpu_to_be32(create
->u
.device
.specdata1
);
1131 *p
= cpu_to_be32(create
->u
.device
.specdata2
);
1138 encode_string(xdr
, create
->name
->len
, create
->name
->name
);
1139 encode_attrs(xdr
, create
->attrs
, create
->server
);
1142 static void encode_getattr_one(struct xdr_stream
*xdr
, uint32_t bitmap
, struct compound_hdr
*hdr
)
1146 encode_op_hdr(xdr
, OP_GETATTR
, decode_getattr_maxsz
, hdr
);
1147 p
= reserve_space(xdr
, 8);
1148 *p
++ = cpu_to_be32(1);
1149 *p
= cpu_to_be32(bitmap
);
1152 static void encode_getattr_two(struct xdr_stream
*xdr
, uint32_t bm0
, uint32_t bm1
, struct compound_hdr
*hdr
)
1156 encode_op_hdr(xdr
, OP_GETATTR
, decode_getattr_maxsz
, hdr
);
1157 p
= reserve_space(xdr
, 12);
1158 *p
++ = cpu_to_be32(2);
1159 *p
++ = cpu_to_be32(bm0
);
1160 *p
= cpu_to_be32(bm1
);
1164 encode_getattr_three(struct xdr_stream
*xdr
,
1165 uint32_t bm0
, uint32_t bm1
, uint32_t bm2
,
1166 struct compound_hdr
*hdr
)
1170 encode_op_hdr(xdr
, OP_GETATTR
, decode_getattr_maxsz
, hdr
);
1172 p
= reserve_space(xdr
, 16);
1173 *p
++ = cpu_to_be32(3);
1174 *p
++ = cpu_to_be32(bm0
);
1175 *p
++ = cpu_to_be32(bm1
);
1176 *p
= cpu_to_be32(bm2
);
1178 p
= reserve_space(xdr
, 12);
1179 *p
++ = cpu_to_be32(2);
1180 *p
++ = cpu_to_be32(bm0
);
1181 *p
= cpu_to_be32(bm1
);
1183 p
= reserve_space(xdr
, 8);
1184 *p
++ = cpu_to_be32(1);
1185 *p
= cpu_to_be32(bm0
);
1189 static void encode_getfattr(struct xdr_stream
*xdr
, const u32
* bitmask
, struct compound_hdr
*hdr
)
1191 encode_getattr_two(xdr
, bitmask
[0] & nfs4_fattr_bitmap
[0],
1192 bitmask
[1] & nfs4_fattr_bitmap
[1], hdr
);
1195 static void encode_getfattr_open(struct xdr_stream
*xdr
, const u32
*bitmask
,
1196 const u32
*open_bitmap
,
1197 struct compound_hdr
*hdr
)
1199 encode_getattr_three(xdr
,
1200 bitmask
[0] & open_bitmap
[0],
1201 bitmask
[1] & open_bitmap
[1],
1202 bitmask
[2] & open_bitmap
[2],
1206 static void encode_fsinfo(struct xdr_stream
*xdr
, const u32
* bitmask
, struct compound_hdr
*hdr
)
1208 encode_getattr_three(xdr
,
1209 bitmask
[0] & nfs4_fsinfo_bitmap
[0],
1210 bitmask
[1] & nfs4_fsinfo_bitmap
[1],
1211 bitmask
[2] & nfs4_fsinfo_bitmap
[2],
1215 static void encode_fs_locations(struct xdr_stream
*xdr
, const u32
* bitmask
, struct compound_hdr
*hdr
)
1217 encode_getattr_two(xdr
, bitmask
[0] & nfs4_fs_locations_bitmap
[0],
1218 bitmask
[1] & nfs4_fs_locations_bitmap
[1], hdr
);
1221 static void encode_getfh(struct xdr_stream
*xdr
, struct compound_hdr
*hdr
)
1223 encode_op_hdr(xdr
, OP_GETFH
, decode_getfh_maxsz
, hdr
);
1226 static void encode_link(struct xdr_stream
*xdr
, const struct qstr
*name
, struct compound_hdr
*hdr
)
1228 encode_op_hdr(xdr
, OP_LINK
, decode_link_maxsz
, hdr
);
1229 encode_string(xdr
, name
->len
, name
->name
);
1232 static inline int nfs4_lock_type(struct file_lock
*fl
, int block
)
1234 if (fl
->fl_type
== F_RDLCK
)
1235 return block
? NFS4_READW_LT
: NFS4_READ_LT
;
1236 return block
? NFS4_WRITEW_LT
: NFS4_WRITE_LT
;
1239 static inline uint64_t nfs4_lock_length(struct file_lock
*fl
)
1241 if (fl
->fl_end
== OFFSET_MAX
)
1242 return ~(uint64_t)0;
1243 return fl
->fl_end
- fl
->fl_start
+ 1;
1246 static void encode_lockowner(struct xdr_stream
*xdr
, const struct nfs_lowner
*lowner
)
1250 p
= reserve_space(xdr
, 32);
1251 p
= xdr_encode_hyper(p
, lowner
->clientid
);
1252 *p
++ = cpu_to_be32(20);
1253 p
= xdr_encode_opaque_fixed(p
, "lock id:", 8);
1254 *p
++ = cpu_to_be32(lowner
->s_dev
);
1255 xdr_encode_hyper(p
, lowner
->id
);
1259 * opcode,type,reclaim,offset,length,new_lock_owner = 32
1260 * open_seqid,open_stateid,lock_seqid,lock_owner.clientid, lock_owner.id = 40
1262 static void encode_lock(struct xdr_stream
*xdr
, const struct nfs_lock_args
*args
, struct compound_hdr
*hdr
)
1266 encode_op_hdr(xdr
, OP_LOCK
, decode_lock_maxsz
, hdr
);
1267 p
= reserve_space(xdr
, 28);
1268 *p
++ = cpu_to_be32(nfs4_lock_type(args
->fl
, args
->block
));
1269 *p
++ = cpu_to_be32(args
->reclaim
);
1270 p
= xdr_encode_hyper(p
, args
->fl
->fl_start
);
1271 p
= xdr_encode_hyper(p
, nfs4_lock_length(args
->fl
));
1272 *p
= cpu_to_be32(args
->new_lock_owner
);
1273 if (args
->new_lock_owner
){
1274 encode_nfs4_seqid(xdr
, args
->open_seqid
);
1275 encode_nfs4_stateid(xdr
, args
->open_stateid
);
1276 encode_nfs4_seqid(xdr
, args
->lock_seqid
);
1277 encode_lockowner(xdr
, &args
->lock_owner
);
1280 encode_nfs4_stateid(xdr
, args
->lock_stateid
);
1281 encode_nfs4_seqid(xdr
, args
->lock_seqid
);
1285 static void encode_lockt(struct xdr_stream
*xdr
, const struct nfs_lockt_args
*args
, struct compound_hdr
*hdr
)
1289 encode_op_hdr(xdr
, OP_LOCKT
, decode_lockt_maxsz
, hdr
);
1290 p
= reserve_space(xdr
, 20);
1291 *p
++ = cpu_to_be32(nfs4_lock_type(args
->fl
, 0));
1292 p
= xdr_encode_hyper(p
, args
->fl
->fl_start
);
1293 p
= xdr_encode_hyper(p
, nfs4_lock_length(args
->fl
));
1294 encode_lockowner(xdr
, &args
->lock_owner
);
1297 static void encode_locku(struct xdr_stream
*xdr
, const struct nfs_locku_args
*args
, struct compound_hdr
*hdr
)
1301 encode_op_hdr(xdr
, OP_LOCKU
, decode_locku_maxsz
, hdr
);
1302 encode_uint32(xdr
, nfs4_lock_type(args
->fl
, 0));
1303 encode_nfs4_seqid(xdr
, args
->seqid
);
1304 encode_nfs4_stateid(xdr
, args
->stateid
);
1305 p
= reserve_space(xdr
, 16);
1306 p
= xdr_encode_hyper(p
, args
->fl
->fl_start
);
1307 xdr_encode_hyper(p
, nfs4_lock_length(args
->fl
));
1310 static void encode_release_lockowner(struct xdr_stream
*xdr
, const struct nfs_lowner
*lowner
, struct compound_hdr
*hdr
)
1312 encode_op_hdr(xdr
, OP_RELEASE_LOCKOWNER
, decode_release_lockowner_maxsz
, hdr
);
1313 encode_lockowner(xdr
, lowner
);
1316 static void encode_lookup(struct xdr_stream
*xdr
, const struct qstr
*name
, struct compound_hdr
*hdr
)
1318 encode_op_hdr(xdr
, OP_LOOKUP
, decode_lookup_maxsz
, hdr
);
1319 encode_string(xdr
, name
->len
, name
->name
);
1322 static void encode_share_access(struct xdr_stream
*xdr
, fmode_t fmode
)
1326 p
= reserve_space(xdr
, 8);
1327 switch (fmode
& (FMODE_READ
|FMODE_WRITE
)) {
1329 *p
++ = cpu_to_be32(NFS4_SHARE_ACCESS_READ
);
1332 *p
++ = cpu_to_be32(NFS4_SHARE_ACCESS_WRITE
);
1334 case FMODE_READ
|FMODE_WRITE
:
1335 *p
++ = cpu_to_be32(NFS4_SHARE_ACCESS_BOTH
);
1338 *p
++ = cpu_to_be32(0);
1340 *p
= cpu_to_be32(0); /* for linux, share_deny = 0 always */
1343 static inline void encode_openhdr(struct xdr_stream
*xdr
, const struct nfs_openargs
*arg
)
1347 * opcode 4, seqid 4, share_access 4, share_deny 4, clientid 8, ownerlen 4,
1350 encode_nfs4_seqid(xdr
, arg
->seqid
);
1351 encode_share_access(xdr
, arg
->fmode
);
1352 p
= reserve_space(xdr
, 36);
1353 p
= xdr_encode_hyper(p
, arg
->clientid
);
1354 *p
++ = cpu_to_be32(24);
1355 p
= xdr_encode_opaque_fixed(p
, "open id:", 8);
1356 *p
++ = cpu_to_be32(arg
->server
->s_dev
);
1357 *p
++ = cpu_to_be32(arg
->id
.uniquifier
);
1358 xdr_encode_hyper(p
, arg
->id
.create_time
);
1361 static inline void encode_createmode(struct xdr_stream
*xdr
, const struct nfs_openargs
*arg
)
1366 p
= reserve_space(xdr
, 4);
1367 switch(arg
->createmode
) {
1368 case NFS4_CREATE_UNCHECKED
:
1369 *p
= cpu_to_be32(NFS4_CREATE_UNCHECKED
);
1370 encode_attrs(xdr
, arg
->u
.attrs
, arg
->server
);
1372 case NFS4_CREATE_GUARDED
:
1373 *p
= cpu_to_be32(NFS4_CREATE_GUARDED
);
1374 encode_attrs(xdr
, arg
->u
.attrs
, arg
->server
);
1376 case NFS4_CREATE_EXCLUSIVE
:
1377 *p
= cpu_to_be32(NFS4_CREATE_EXCLUSIVE
);
1378 encode_nfs4_verifier(xdr
, &arg
->u
.verifier
);
1380 case NFS4_CREATE_EXCLUSIVE4_1
:
1381 *p
= cpu_to_be32(NFS4_CREATE_EXCLUSIVE4_1
);
1382 encode_nfs4_verifier(xdr
, &arg
->u
.verifier
);
1384 encode_attrs(xdr
, &dummy
, arg
->server
);
1388 static void encode_opentype(struct xdr_stream
*xdr
, const struct nfs_openargs
*arg
)
1392 p
= reserve_space(xdr
, 4);
1393 switch (arg
->open_flags
& O_CREAT
) {
1395 *p
= cpu_to_be32(NFS4_OPEN_NOCREATE
);
1398 *p
= cpu_to_be32(NFS4_OPEN_CREATE
);
1399 encode_createmode(xdr
, arg
);
1403 static inline void encode_delegation_type(struct xdr_stream
*xdr
, fmode_t delegation_type
)
1407 p
= reserve_space(xdr
, 4);
1408 switch (delegation_type
) {
1410 *p
= cpu_to_be32(NFS4_OPEN_DELEGATE_NONE
);
1413 *p
= cpu_to_be32(NFS4_OPEN_DELEGATE_READ
);
1415 case FMODE_WRITE
|FMODE_READ
:
1416 *p
= cpu_to_be32(NFS4_OPEN_DELEGATE_WRITE
);
1423 static inline void encode_claim_null(struct xdr_stream
*xdr
, const struct qstr
*name
)
1427 p
= reserve_space(xdr
, 4);
1428 *p
= cpu_to_be32(NFS4_OPEN_CLAIM_NULL
);
1429 encode_string(xdr
, name
->len
, name
->name
);
1432 static inline void encode_claim_previous(struct xdr_stream
*xdr
, fmode_t type
)
1436 p
= reserve_space(xdr
, 4);
1437 *p
= cpu_to_be32(NFS4_OPEN_CLAIM_PREVIOUS
);
1438 encode_delegation_type(xdr
, type
);
1441 static inline void encode_claim_delegate_cur(struct xdr_stream
*xdr
, const struct qstr
*name
, const nfs4_stateid
*stateid
)
1445 p
= reserve_space(xdr
, 4);
1446 *p
= cpu_to_be32(NFS4_OPEN_CLAIM_DELEGATE_CUR
);
1447 encode_nfs4_stateid(xdr
, stateid
);
1448 encode_string(xdr
, name
->len
, name
->name
);
1451 static inline void encode_claim_fh(struct xdr_stream
*xdr
)
1455 p
= reserve_space(xdr
, 4);
1456 *p
= cpu_to_be32(NFS4_OPEN_CLAIM_FH
);
1459 static inline void encode_claim_delegate_cur_fh(struct xdr_stream
*xdr
, const nfs4_stateid
*stateid
)
1463 p
= reserve_space(xdr
, 4);
1464 *p
= cpu_to_be32(NFS4_OPEN_CLAIM_DELEG_CUR_FH
);
1465 encode_nfs4_stateid(xdr
, stateid
);
1468 static void encode_open(struct xdr_stream
*xdr
, const struct nfs_openargs
*arg
, struct compound_hdr
*hdr
)
1470 encode_op_hdr(xdr
, OP_OPEN
, decode_open_maxsz
, hdr
);
1471 encode_openhdr(xdr
, arg
);
1472 encode_opentype(xdr
, arg
);
1473 switch (arg
->claim
) {
1474 case NFS4_OPEN_CLAIM_NULL
:
1475 encode_claim_null(xdr
, arg
->name
);
1477 case NFS4_OPEN_CLAIM_PREVIOUS
:
1478 encode_claim_previous(xdr
, arg
->u
.delegation_type
);
1480 case NFS4_OPEN_CLAIM_DELEGATE_CUR
:
1481 encode_claim_delegate_cur(xdr
, arg
->name
, &arg
->u
.delegation
);
1483 case NFS4_OPEN_CLAIM_FH
:
1484 encode_claim_fh(xdr
);
1486 case NFS4_OPEN_CLAIM_DELEG_CUR_FH
:
1487 encode_claim_delegate_cur_fh(xdr
, &arg
->u
.delegation
);
1494 static void encode_open_confirm(struct xdr_stream
*xdr
, const struct nfs_open_confirmargs
*arg
, struct compound_hdr
*hdr
)
1496 encode_op_hdr(xdr
, OP_OPEN_CONFIRM
, decode_open_confirm_maxsz
, hdr
);
1497 encode_nfs4_stateid(xdr
, arg
->stateid
);
1498 encode_nfs4_seqid(xdr
, arg
->seqid
);
1501 static void encode_open_downgrade(struct xdr_stream
*xdr
, const struct nfs_closeargs
*arg
, struct compound_hdr
*hdr
)
1503 encode_op_hdr(xdr
, OP_OPEN_DOWNGRADE
, decode_open_downgrade_maxsz
, hdr
);
1504 encode_nfs4_stateid(xdr
, arg
->stateid
);
1505 encode_nfs4_seqid(xdr
, arg
->seqid
);
1506 encode_share_access(xdr
, arg
->fmode
);
1510 encode_putfh(struct xdr_stream
*xdr
, const struct nfs_fh
*fh
, struct compound_hdr
*hdr
)
1512 encode_op_hdr(xdr
, OP_PUTFH
, decode_putfh_maxsz
, hdr
);
1513 encode_string(xdr
, fh
->size
, fh
->data
);
1516 static void encode_putrootfh(struct xdr_stream
*xdr
, struct compound_hdr
*hdr
)
1518 encode_op_hdr(xdr
, OP_PUTROOTFH
, decode_putrootfh_maxsz
, hdr
);
1521 static void encode_read(struct xdr_stream
*xdr
, const struct nfs_readargs
*args
, struct compound_hdr
*hdr
)
1525 encode_op_hdr(xdr
, OP_READ
, decode_read_maxsz
, hdr
);
1526 encode_nfs4_stateid(xdr
, &args
->stateid
);
1528 p
= reserve_space(xdr
, 12);
1529 p
= xdr_encode_hyper(p
, args
->offset
);
1530 *p
= cpu_to_be32(args
->count
);
1533 static void encode_readdir(struct xdr_stream
*xdr
, const struct nfs4_readdir_arg
*readdir
, struct rpc_rqst
*req
, struct compound_hdr
*hdr
)
1535 uint32_t attrs
[2] = {
1536 FATTR4_WORD0_RDATTR_ERROR
,
1537 FATTR4_WORD1_MOUNTED_ON_FILEID
,
1539 uint32_t dircount
= readdir
->count
>> 1;
1542 if (readdir
->plus
) {
1543 attrs
[0] |= FATTR4_WORD0_TYPE
|FATTR4_WORD0_CHANGE
|FATTR4_WORD0_SIZE
|
1544 FATTR4_WORD0_FSID
|FATTR4_WORD0_FILEHANDLE
|FATTR4_WORD0_FILEID
;
1545 attrs
[1] |= FATTR4_WORD1_MODE
|FATTR4_WORD1_NUMLINKS
|FATTR4_WORD1_OWNER
|
1546 FATTR4_WORD1_OWNER_GROUP
|FATTR4_WORD1_RAWDEV
|
1547 FATTR4_WORD1_SPACE_USED
|FATTR4_WORD1_TIME_ACCESS
|
1548 FATTR4_WORD1_TIME_METADATA
|FATTR4_WORD1_TIME_MODIFY
;
1551 /* Use mounted_on_fileid only if the server supports it */
1552 if (!(readdir
->bitmask
[1] & FATTR4_WORD1_MOUNTED_ON_FILEID
))
1553 attrs
[0] |= FATTR4_WORD0_FILEID
;
1555 encode_op_hdr(xdr
, OP_READDIR
, decode_readdir_maxsz
, hdr
);
1556 encode_uint64(xdr
, readdir
->cookie
);
1557 encode_nfs4_verifier(xdr
, &readdir
->verifier
);
1558 p
= reserve_space(xdr
, 20);
1559 *p
++ = cpu_to_be32(dircount
);
1560 *p
++ = cpu_to_be32(readdir
->count
);
1561 *p
++ = cpu_to_be32(2);
1563 *p
++ = cpu_to_be32(attrs
[0] & readdir
->bitmask
[0]);
1564 *p
= cpu_to_be32(attrs
[1] & readdir
->bitmask
[1]);
1565 memcpy(verf
, readdir
->verifier
.data
, sizeof(verf
));
1566 dprintk("%s: cookie = %Lu, verifier = %08x:%08x, bitmap = %08x:%08x\n",
1568 (unsigned long long)readdir
->cookie
,
1570 attrs
[0] & readdir
->bitmask
[0],
1571 attrs
[1] & readdir
->bitmask
[1]);
1574 static void encode_readlink(struct xdr_stream
*xdr
, const struct nfs4_readlink
*readlink
, struct rpc_rqst
*req
, struct compound_hdr
*hdr
)
1576 encode_op_hdr(xdr
, OP_READLINK
, decode_readlink_maxsz
, hdr
);
1579 static void encode_remove(struct xdr_stream
*xdr
, const struct qstr
*name
, struct compound_hdr
*hdr
)
1581 encode_op_hdr(xdr
, OP_REMOVE
, decode_remove_maxsz
, hdr
);
1582 encode_string(xdr
, name
->len
, name
->name
);
1585 static void encode_rename(struct xdr_stream
*xdr
, const struct qstr
*oldname
, const struct qstr
*newname
, struct compound_hdr
*hdr
)
1587 encode_op_hdr(xdr
, OP_RENAME
, decode_rename_maxsz
, hdr
);
1588 encode_string(xdr
, oldname
->len
, oldname
->name
);
1589 encode_string(xdr
, newname
->len
, newname
->name
);
1592 static void encode_renew(struct xdr_stream
*xdr
, clientid4 clid
,
1593 struct compound_hdr
*hdr
)
1595 encode_op_hdr(xdr
, OP_RENEW
, decode_renew_maxsz
, hdr
);
1596 encode_uint64(xdr
, clid
);
1600 encode_restorefh(struct xdr_stream
*xdr
, struct compound_hdr
*hdr
)
1602 encode_op_hdr(xdr
, OP_RESTOREFH
, decode_restorefh_maxsz
, hdr
);
1606 encode_setacl(struct xdr_stream
*xdr
, struct nfs_setaclargs
*arg
, struct compound_hdr
*hdr
)
1610 encode_op_hdr(xdr
, OP_SETATTR
, decode_setacl_maxsz
, hdr
);
1611 encode_nfs4_stateid(xdr
, &zero_stateid
);
1612 p
= reserve_space(xdr
, 2*4);
1613 *p
++ = cpu_to_be32(1);
1614 *p
= cpu_to_be32(FATTR4_WORD0_ACL
);
1615 p
= reserve_space(xdr
, 4);
1616 *p
= cpu_to_be32(arg
->acl_len
);
1617 xdr_write_pages(xdr
, arg
->acl_pages
, arg
->acl_pgbase
, arg
->acl_len
);
1621 encode_savefh(struct xdr_stream
*xdr
, struct compound_hdr
*hdr
)
1623 encode_op_hdr(xdr
, OP_SAVEFH
, decode_savefh_maxsz
, hdr
);
1626 static void encode_setattr(struct xdr_stream
*xdr
, const struct nfs_setattrargs
*arg
, const struct nfs_server
*server
, struct compound_hdr
*hdr
)
1628 encode_op_hdr(xdr
, OP_SETATTR
, decode_setattr_maxsz
, hdr
);
1629 encode_nfs4_stateid(xdr
, &arg
->stateid
);
1630 encode_attrs(xdr
, arg
->iap
, server
);
1633 static void encode_setclientid(struct xdr_stream
*xdr
, const struct nfs4_setclientid
*setclientid
, struct compound_hdr
*hdr
)
1637 encode_op_hdr(xdr
, OP_SETCLIENTID
, decode_setclientid_maxsz
, hdr
);
1638 encode_nfs4_verifier(xdr
, setclientid
->sc_verifier
);
1640 encode_string(xdr
, setclientid
->sc_name_len
, setclientid
->sc_name
);
1641 p
= reserve_space(xdr
, 4);
1642 *p
= cpu_to_be32(setclientid
->sc_prog
);
1643 encode_string(xdr
, setclientid
->sc_netid_len
, setclientid
->sc_netid
);
1644 encode_string(xdr
, setclientid
->sc_uaddr_len
, setclientid
->sc_uaddr
);
1645 p
= reserve_space(xdr
, 4);
1646 *p
= cpu_to_be32(setclientid
->sc_cb_ident
);
1649 static void encode_setclientid_confirm(struct xdr_stream
*xdr
, const struct nfs4_setclientid_res
*arg
, struct compound_hdr
*hdr
)
1651 encode_op_hdr(xdr
, OP_SETCLIENTID_CONFIRM
,
1652 decode_setclientid_confirm_maxsz
, hdr
);
1653 encode_uint64(xdr
, arg
->clientid
);
1654 encode_nfs4_verifier(xdr
, &arg
->confirm
);
1657 static void encode_write(struct xdr_stream
*xdr
, const struct nfs_writeargs
*args
, struct compound_hdr
*hdr
)
1661 encode_op_hdr(xdr
, OP_WRITE
, decode_write_maxsz
, hdr
);
1662 encode_nfs4_stateid(xdr
, &args
->stateid
);
1664 p
= reserve_space(xdr
, 16);
1665 p
= xdr_encode_hyper(p
, args
->offset
);
1666 *p
++ = cpu_to_be32(args
->stable
);
1667 *p
= cpu_to_be32(args
->count
);
1669 xdr_write_pages(xdr
, args
->pages
, args
->pgbase
, args
->count
);
1672 static void encode_delegreturn(struct xdr_stream
*xdr
, const nfs4_stateid
*stateid
, struct compound_hdr
*hdr
)
1674 encode_op_hdr(xdr
, OP_DELEGRETURN
, decode_delegreturn_maxsz
, hdr
);
1675 encode_nfs4_stateid(xdr
, stateid
);
1678 static void encode_secinfo(struct xdr_stream
*xdr
, const struct qstr
*name
, struct compound_hdr
*hdr
)
1680 encode_op_hdr(xdr
, OP_SECINFO
, decode_secinfo_maxsz
, hdr
);
1681 encode_string(xdr
, name
->len
, name
->name
);
1684 #if defined(CONFIG_NFS_V4_1)
1685 /* NFSv4.1 operations */
1686 static void encode_bind_conn_to_session(struct xdr_stream
*xdr
,
1687 struct nfs4_session
*session
,
1688 struct compound_hdr
*hdr
)
1692 encode_op_hdr(xdr
, OP_BIND_CONN_TO_SESSION
,
1693 decode_bind_conn_to_session_maxsz
, hdr
);
1694 encode_opaque_fixed(xdr
, session
->sess_id
.data
, NFS4_MAX_SESSIONID_LEN
);
1695 p
= xdr_reserve_space(xdr
, 8);
1696 *p
++ = cpu_to_be32(NFS4_CDFC4_BACK_OR_BOTH
);
1697 *p
= 0; /* use_conn_in_rdma_mode = False */
1700 static void encode_exchange_id(struct xdr_stream
*xdr
,
1701 struct nfs41_exchange_id_args
*args
,
1702 struct compound_hdr
*hdr
)
1705 char impl_name
[IMPL_NAME_LIMIT
];
1708 encode_op_hdr(xdr
, OP_EXCHANGE_ID
, decode_exchange_id_maxsz
, hdr
);
1709 encode_nfs4_verifier(xdr
, args
->verifier
);
1711 encode_string(xdr
, args
->id_len
, args
->id
);
1713 p
= reserve_space(xdr
, 12);
1714 *p
++ = cpu_to_be32(args
->flags
);
1715 *p
++ = cpu_to_be32(0); /* zero length state_protect4_a */
1717 if (send_implementation_id
&&
1718 sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN
) > 1 &&
1719 sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN
)
1720 <= sizeof(impl_name
) + 1)
1721 len
= snprintf(impl_name
, sizeof(impl_name
), "%s %s %s %s",
1722 utsname()->sysname
, utsname()->release
,
1723 utsname()->version
, utsname()->machine
);
1726 *p
= cpu_to_be32(1); /* implementation id array length=1 */
1729 sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN
) - 1,
1730 CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN
);
1731 encode_string(xdr
, len
, impl_name
);
1732 /* just send zeros for nii_date - the date is in nii_name */
1733 p
= reserve_space(xdr
, 12);
1734 p
= xdr_encode_hyper(p
, 0);
1735 *p
= cpu_to_be32(0);
1737 *p
= cpu_to_be32(0); /* implementation id array length=0 */
1740 static void encode_create_session(struct xdr_stream
*xdr
,
1741 struct nfs41_create_session_args
*args
,
1742 struct compound_hdr
*hdr
)
1745 char machine_name
[NFS4_MAX_MACHINE_NAME_LEN
];
1747 struct nfs_client
*clp
= args
->client
;
1748 struct nfs_net
*nn
= net_generic(clp
->cl_net
, nfs_net_id
);
1749 u32 max_resp_sz_cached
;
1752 * Assumes OPEN is the biggest non-idempotent compound.
1753 * 2 is the verifier.
1755 max_resp_sz_cached
= (NFS4_dec_open_sz
+ RPC_REPHDRSIZE
+
1756 RPC_MAX_AUTH_SIZE
+ 2) * XDR_UNIT
;
1758 len
= scnprintf(machine_name
, sizeof(machine_name
), "%s",
1761 encode_op_hdr(xdr
, OP_CREATE_SESSION
, decode_create_session_maxsz
, hdr
);
1762 p
= reserve_space(xdr
, 16 + 2*28 + 20 + len
+ 12);
1763 p
= xdr_encode_hyper(p
, clp
->cl_clientid
);
1764 *p
++ = cpu_to_be32(clp
->cl_seqid
); /*Sequence id */
1765 *p
++ = cpu_to_be32(args
->flags
); /*flags */
1768 *p
++ = cpu_to_be32(0); /* header padding size */
1769 *p
++ = cpu_to_be32(args
->fc_attrs
.max_rqst_sz
); /* max req size */
1770 *p
++ = cpu_to_be32(args
->fc_attrs
.max_resp_sz
); /* max resp size */
1771 *p
++ = cpu_to_be32(max_resp_sz_cached
); /* Max resp sz cached */
1772 *p
++ = cpu_to_be32(args
->fc_attrs
.max_ops
); /* max operations */
1773 *p
++ = cpu_to_be32(args
->fc_attrs
.max_reqs
); /* max requests */
1774 *p
++ = cpu_to_be32(0); /* rdmachannel_attrs */
1777 *p
++ = cpu_to_be32(0); /* header padding size */
1778 *p
++ = cpu_to_be32(args
->bc_attrs
.max_rqst_sz
); /* max req size */
1779 *p
++ = cpu_to_be32(args
->bc_attrs
.max_resp_sz
); /* max resp size */
1780 *p
++ = cpu_to_be32(args
->bc_attrs
.max_resp_sz_cached
); /* Max resp sz cached */
1781 *p
++ = cpu_to_be32(args
->bc_attrs
.max_ops
); /* max operations */
1782 *p
++ = cpu_to_be32(args
->bc_attrs
.max_reqs
); /* max requests */
1783 *p
++ = cpu_to_be32(0); /* rdmachannel_attrs */
1785 *p
++ = cpu_to_be32(args
->cb_program
); /* cb_program */
1786 *p
++ = cpu_to_be32(1);
1787 *p
++ = cpu_to_be32(RPC_AUTH_UNIX
); /* auth_sys */
1789 /* authsys_parms rfc1831 */
1790 *p
++ = (__be32
)nn
->boot_time
.tv_nsec
; /* stamp */
1791 p
= xdr_encode_opaque(p
, machine_name
, len
);
1792 *p
++ = cpu_to_be32(0); /* UID */
1793 *p
++ = cpu_to_be32(0); /* GID */
1794 *p
= cpu_to_be32(0); /* No more gids */
1797 static void encode_destroy_session(struct xdr_stream
*xdr
,
1798 struct nfs4_session
*session
,
1799 struct compound_hdr
*hdr
)
1801 encode_op_hdr(xdr
, OP_DESTROY_SESSION
, decode_destroy_session_maxsz
, hdr
);
1802 encode_opaque_fixed(xdr
, session
->sess_id
.data
, NFS4_MAX_SESSIONID_LEN
);
1805 static void encode_destroy_clientid(struct xdr_stream
*xdr
,
1807 struct compound_hdr
*hdr
)
1809 encode_op_hdr(xdr
, OP_DESTROY_CLIENTID
, decode_destroy_clientid_maxsz
, hdr
);
1810 encode_uint64(xdr
, clientid
);
1813 static void encode_reclaim_complete(struct xdr_stream
*xdr
,
1814 struct nfs41_reclaim_complete_args
*args
,
1815 struct compound_hdr
*hdr
)
1817 encode_op_hdr(xdr
, OP_RECLAIM_COMPLETE
, decode_reclaim_complete_maxsz
, hdr
);
1818 encode_uint32(xdr
, args
->one_fs
);
1820 #endif /* CONFIG_NFS_V4_1 */
1822 static void encode_sequence(struct xdr_stream
*xdr
,
1823 const struct nfs4_sequence_args
*args
,
1824 struct compound_hdr
*hdr
)
1826 #if defined(CONFIG_NFS_V4_1)
1827 struct nfs4_session
*session
;
1828 struct nfs4_slot_table
*tp
;
1829 struct nfs4_slot
*slot
= args
->sa_slot
;
1836 session
= tp
->session
;
1838 encode_op_hdr(xdr
, OP_SEQUENCE
, decode_sequence_maxsz
, hdr
);
1841 * Sessionid + seqid + slotid + max slotid + cache_this
1843 dprintk("%s: sessionid=%u:%u:%u:%u seqid=%d slotid=%d "
1844 "max_slotid=%d cache_this=%d\n",
1846 ((u32
*)session
->sess_id
.data
)[0],
1847 ((u32
*)session
->sess_id
.data
)[1],
1848 ((u32
*)session
->sess_id
.data
)[2],
1849 ((u32
*)session
->sess_id
.data
)[3],
1850 slot
->seq_nr
, slot
->slot_nr
,
1851 tp
->highest_used_slotid
, args
->sa_cache_this
);
1852 p
= reserve_space(xdr
, NFS4_MAX_SESSIONID_LEN
+ 16);
1853 p
= xdr_encode_opaque_fixed(p
, session
->sess_id
.data
, NFS4_MAX_SESSIONID_LEN
);
1854 *p
++ = cpu_to_be32(slot
->seq_nr
);
1855 *p
++ = cpu_to_be32(slot
->slot_nr
);
1856 *p
++ = cpu_to_be32(tp
->highest_used_slotid
);
1857 *p
= cpu_to_be32(args
->sa_cache_this
);
1858 #endif /* CONFIG_NFS_V4_1 */
1861 #ifdef CONFIG_NFS_V4_1
1863 encode_getdevicelist(struct xdr_stream
*xdr
,
1864 const struct nfs4_getdevicelist_args
*args
,
1865 struct compound_hdr
*hdr
)
1868 nfs4_verifier dummy
= {
1872 encode_op_hdr(xdr
, OP_GETDEVICELIST
, decode_getdevicelist_maxsz
, hdr
);
1873 p
= reserve_space(xdr
, 16);
1874 *p
++ = cpu_to_be32(args
->layoutclass
);
1875 *p
++ = cpu_to_be32(NFS4_PNFS_GETDEVLIST_MAXNUM
);
1876 xdr_encode_hyper(p
, 0ULL); /* cookie */
1877 encode_nfs4_verifier(xdr
, &dummy
);
1881 encode_getdeviceinfo(struct xdr_stream
*xdr
,
1882 const struct nfs4_getdeviceinfo_args
*args
,
1883 struct compound_hdr
*hdr
)
1887 encode_op_hdr(xdr
, OP_GETDEVICEINFO
, decode_getdeviceinfo_maxsz
, hdr
);
1888 p
= reserve_space(xdr
, 12 + NFS4_DEVICEID4_SIZE
);
1889 p
= xdr_encode_opaque_fixed(p
, args
->pdev
->dev_id
.data
,
1890 NFS4_DEVICEID4_SIZE
);
1891 *p
++ = cpu_to_be32(args
->pdev
->layout_type
);
1892 *p
++ = cpu_to_be32(args
->pdev
->pglen
); /* gdia_maxcount */
1893 *p
++ = cpu_to_be32(0); /* bitmap length 0 */
1897 encode_layoutget(struct xdr_stream
*xdr
,
1898 const struct nfs4_layoutget_args
*args
,
1899 struct compound_hdr
*hdr
)
1903 encode_op_hdr(xdr
, OP_LAYOUTGET
, decode_layoutget_maxsz
, hdr
);
1904 p
= reserve_space(xdr
, 36);
1905 *p
++ = cpu_to_be32(0); /* Signal layout available */
1906 *p
++ = cpu_to_be32(args
->type
);
1907 *p
++ = cpu_to_be32(args
->range
.iomode
);
1908 p
= xdr_encode_hyper(p
, args
->range
.offset
);
1909 p
= xdr_encode_hyper(p
, args
->range
.length
);
1910 p
= xdr_encode_hyper(p
, args
->minlength
);
1911 encode_nfs4_stateid(xdr
, &args
->stateid
);
1912 encode_uint32(xdr
, args
->maxcount
);
1914 dprintk("%s: 1st type:0x%x iomode:%d off:%lu len:%lu mc:%d\n",
1918 (unsigned long)args
->range
.offset
,
1919 (unsigned long)args
->range
.length
,
1924 encode_layoutcommit(struct xdr_stream
*xdr
,
1925 struct inode
*inode
,
1926 const struct nfs4_layoutcommit_args
*args
,
1927 struct compound_hdr
*hdr
)
1931 dprintk("%s: lbw: %llu type: %d\n", __func__
, args
->lastbytewritten
,
1932 NFS_SERVER(args
->inode
)->pnfs_curr_ld
->id
);
1934 encode_op_hdr(xdr
, OP_LAYOUTCOMMIT
, decode_layoutcommit_maxsz
, hdr
);
1935 p
= reserve_space(xdr
, 20);
1936 /* Only whole file layouts */
1937 p
= xdr_encode_hyper(p
, 0); /* offset */
1938 p
= xdr_encode_hyper(p
, args
->lastbytewritten
+ 1); /* length */
1939 *p
= cpu_to_be32(0); /* reclaim */
1940 encode_nfs4_stateid(xdr
, &args
->stateid
);
1941 p
= reserve_space(xdr
, 20);
1942 *p
++ = cpu_to_be32(1); /* newoffset = TRUE */
1943 p
= xdr_encode_hyper(p
, args
->lastbytewritten
);
1944 *p
++ = cpu_to_be32(0); /* Never send time_modify_changed */
1945 *p
++ = cpu_to_be32(NFS_SERVER(args
->inode
)->pnfs_curr_ld
->id
);/* type */
1947 if (NFS_SERVER(inode
)->pnfs_curr_ld
->encode_layoutcommit
)
1948 NFS_SERVER(inode
)->pnfs_curr_ld
->encode_layoutcommit(
1949 NFS_I(inode
)->layout
, xdr
, args
);
1951 encode_uint32(xdr
, 0); /* no layout-type payload */
1957 encode_layoutreturn(struct xdr_stream
*xdr
,
1958 const struct nfs4_layoutreturn_args
*args
,
1959 struct compound_hdr
*hdr
)
1963 encode_op_hdr(xdr
, OP_LAYOUTRETURN
, decode_layoutreturn_maxsz
, hdr
);
1964 p
= reserve_space(xdr
, 16);
1965 *p
++ = cpu_to_be32(0); /* reclaim. always 0 for now */
1966 *p
++ = cpu_to_be32(args
->layout_type
);
1967 *p
++ = cpu_to_be32(IOMODE_ANY
);
1968 *p
= cpu_to_be32(RETURN_FILE
);
1969 p
= reserve_space(xdr
, 16);
1970 p
= xdr_encode_hyper(p
, 0);
1971 p
= xdr_encode_hyper(p
, NFS4_MAX_UINT64
);
1972 spin_lock(&args
->inode
->i_lock
);
1973 encode_nfs4_stateid(xdr
, &args
->stateid
);
1974 spin_unlock(&args
->inode
->i_lock
);
1975 if (NFS_SERVER(args
->inode
)->pnfs_curr_ld
->encode_layoutreturn
) {
1976 NFS_SERVER(args
->inode
)->pnfs_curr_ld
->encode_layoutreturn(
1977 NFS_I(args
->inode
)->layout
, xdr
, args
);
1979 encode_uint32(xdr
, 0);
1983 encode_secinfo_no_name(struct xdr_stream
*xdr
,
1984 const struct nfs41_secinfo_no_name_args
*args
,
1985 struct compound_hdr
*hdr
)
1987 encode_op_hdr(xdr
, OP_SECINFO_NO_NAME
, decode_secinfo_no_name_maxsz
, hdr
);
1988 encode_uint32(xdr
, args
->style
);
1992 static void encode_test_stateid(struct xdr_stream
*xdr
,
1993 struct nfs41_test_stateid_args
*args
,
1994 struct compound_hdr
*hdr
)
1996 encode_op_hdr(xdr
, OP_TEST_STATEID
, decode_test_stateid_maxsz
, hdr
);
1997 encode_uint32(xdr
, 1);
1998 encode_nfs4_stateid(xdr
, args
->stateid
);
2001 static void encode_free_stateid(struct xdr_stream
*xdr
,
2002 struct nfs41_free_stateid_args
*args
,
2003 struct compound_hdr
*hdr
)
2005 encode_op_hdr(xdr
, OP_FREE_STATEID
, decode_free_stateid_maxsz
, hdr
);
2006 encode_nfs4_stateid(xdr
, &args
->stateid
);
2008 #endif /* CONFIG_NFS_V4_1 */
2011 * END OF "GENERIC" ENCODE ROUTINES.
2014 static u32
nfs4_xdr_minorversion(const struct nfs4_sequence_args
*args
)
2016 #if defined(CONFIG_NFS_V4_1)
2019 return args
->sa_slot
->table
->session
->clp
->cl_mvops
->minor_version
;
2020 #endif /* CONFIG_NFS_V4_1 */
2025 * Encode an ACCESS request
2027 static void nfs4_xdr_enc_access(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2028 const struct nfs4_accessargs
*args
)
2030 struct compound_hdr hdr
= {
2031 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2034 encode_compound_hdr(xdr
, req
, &hdr
);
2035 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2036 encode_putfh(xdr
, args
->fh
, &hdr
);
2037 encode_access(xdr
, args
->access
, &hdr
);
2038 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2043 * Encode LOOKUP request
2045 static void nfs4_xdr_enc_lookup(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2046 const struct nfs4_lookup_arg
*args
)
2048 struct compound_hdr hdr
= {
2049 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2052 encode_compound_hdr(xdr
, req
, &hdr
);
2053 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2054 encode_putfh(xdr
, args
->dir_fh
, &hdr
);
2055 encode_lookup(xdr
, args
->name
, &hdr
);
2056 encode_getfh(xdr
, &hdr
);
2057 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2062 * Encode LOOKUP_ROOT request
2064 static void nfs4_xdr_enc_lookup_root(struct rpc_rqst
*req
,
2065 struct xdr_stream
*xdr
,
2066 const struct nfs4_lookup_root_arg
*args
)
2068 struct compound_hdr hdr
= {
2069 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2072 encode_compound_hdr(xdr
, req
, &hdr
);
2073 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2074 encode_putrootfh(xdr
, &hdr
);
2075 encode_getfh(xdr
, &hdr
);
2076 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2081 * Encode REMOVE request
2083 static void nfs4_xdr_enc_remove(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2084 const struct nfs_removeargs
*args
)
2086 struct compound_hdr hdr
= {
2087 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2090 encode_compound_hdr(xdr
, req
, &hdr
);
2091 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2092 encode_putfh(xdr
, args
->fh
, &hdr
);
2093 encode_remove(xdr
, &args
->name
, &hdr
);
2098 * Encode RENAME request
2100 static void nfs4_xdr_enc_rename(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2101 const struct nfs_renameargs
*args
)
2103 struct compound_hdr hdr
= {
2104 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2107 encode_compound_hdr(xdr
, req
, &hdr
);
2108 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2109 encode_putfh(xdr
, args
->old_dir
, &hdr
);
2110 encode_savefh(xdr
, &hdr
);
2111 encode_putfh(xdr
, args
->new_dir
, &hdr
);
2112 encode_rename(xdr
, args
->old_name
, args
->new_name
, &hdr
);
2117 * Encode LINK request
2119 static void nfs4_xdr_enc_link(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2120 const struct nfs4_link_arg
*args
)
2122 struct compound_hdr hdr
= {
2123 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2126 encode_compound_hdr(xdr
, req
, &hdr
);
2127 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2128 encode_putfh(xdr
, args
->fh
, &hdr
);
2129 encode_savefh(xdr
, &hdr
);
2130 encode_putfh(xdr
, args
->dir_fh
, &hdr
);
2131 encode_link(xdr
, args
->name
, &hdr
);
2132 encode_restorefh(xdr
, &hdr
);
2133 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2138 * Encode CREATE request
2140 static void nfs4_xdr_enc_create(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2141 const struct nfs4_create_arg
*args
)
2143 struct compound_hdr hdr
= {
2144 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2147 encode_compound_hdr(xdr
, req
, &hdr
);
2148 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2149 encode_putfh(xdr
, args
->dir_fh
, &hdr
);
2150 encode_create(xdr
, args
, &hdr
);
2151 encode_getfh(xdr
, &hdr
);
2152 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2157 * Encode SYMLINK request
2159 static void nfs4_xdr_enc_symlink(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2160 const struct nfs4_create_arg
*args
)
2162 nfs4_xdr_enc_create(req
, xdr
, args
);
2166 * Encode GETATTR request
2168 static void nfs4_xdr_enc_getattr(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2169 const struct nfs4_getattr_arg
*args
)
2171 struct compound_hdr hdr
= {
2172 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2175 encode_compound_hdr(xdr
, req
, &hdr
);
2176 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2177 encode_putfh(xdr
, args
->fh
, &hdr
);
2178 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2183 * Encode a CLOSE request
2185 static void nfs4_xdr_enc_close(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2186 struct nfs_closeargs
*args
)
2188 struct compound_hdr hdr
= {
2189 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2192 encode_compound_hdr(xdr
, req
, &hdr
);
2193 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2194 encode_putfh(xdr
, args
->fh
, &hdr
);
2195 encode_close(xdr
, args
, &hdr
);
2196 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2201 * Encode an OPEN request
2203 static void nfs4_xdr_enc_open(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2204 struct nfs_openargs
*args
)
2206 struct compound_hdr hdr
= {
2207 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2210 encode_compound_hdr(xdr
, req
, &hdr
);
2211 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2212 encode_putfh(xdr
, args
->fh
, &hdr
);
2213 encode_open(xdr
, args
, &hdr
);
2214 encode_getfh(xdr
, &hdr
);
2216 encode_access(xdr
, args
->access
, &hdr
);
2217 encode_getfattr_open(xdr
, args
->bitmask
, args
->open_bitmap
, &hdr
);
2222 * Encode an OPEN_CONFIRM request
2224 static void nfs4_xdr_enc_open_confirm(struct rpc_rqst
*req
,
2225 struct xdr_stream
*xdr
,
2226 struct nfs_open_confirmargs
*args
)
2228 struct compound_hdr hdr
= {
2232 encode_compound_hdr(xdr
, req
, &hdr
);
2233 encode_putfh(xdr
, args
->fh
, &hdr
);
2234 encode_open_confirm(xdr
, args
, &hdr
);
2239 * Encode an OPEN request with no attributes.
2241 static void nfs4_xdr_enc_open_noattr(struct rpc_rqst
*req
,
2242 struct xdr_stream
*xdr
,
2243 struct nfs_openargs
*args
)
2245 struct compound_hdr hdr
= {
2246 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2249 encode_compound_hdr(xdr
, req
, &hdr
);
2250 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2251 encode_putfh(xdr
, args
->fh
, &hdr
);
2252 encode_open(xdr
, args
, &hdr
);
2254 encode_access(xdr
, args
->access
, &hdr
);
2255 encode_getfattr_open(xdr
, args
->bitmask
, args
->open_bitmap
, &hdr
);
2260 * Encode an OPEN_DOWNGRADE request
2262 static void nfs4_xdr_enc_open_downgrade(struct rpc_rqst
*req
,
2263 struct xdr_stream
*xdr
,
2264 struct nfs_closeargs
*args
)
2266 struct compound_hdr hdr
= {
2267 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2270 encode_compound_hdr(xdr
, req
, &hdr
);
2271 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2272 encode_putfh(xdr
, args
->fh
, &hdr
);
2273 encode_open_downgrade(xdr
, args
, &hdr
);
2274 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2279 * Encode a LOCK request
2281 static void nfs4_xdr_enc_lock(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2282 struct nfs_lock_args
*args
)
2284 struct compound_hdr hdr
= {
2285 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2288 encode_compound_hdr(xdr
, req
, &hdr
);
2289 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2290 encode_putfh(xdr
, args
->fh
, &hdr
);
2291 encode_lock(xdr
, args
, &hdr
);
2296 * Encode a LOCKT request
2298 static void nfs4_xdr_enc_lockt(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2299 struct nfs_lockt_args
*args
)
2301 struct compound_hdr hdr
= {
2302 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2305 encode_compound_hdr(xdr
, req
, &hdr
);
2306 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2307 encode_putfh(xdr
, args
->fh
, &hdr
);
2308 encode_lockt(xdr
, args
, &hdr
);
2313 * Encode a LOCKU request
2315 static void nfs4_xdr_enc_locku(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2316 struct nfs_locku_args
*args
)
2318 struct compound_hdr hdr
= {
2319 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2322 encode_compound_hdr(xdr
, req
, &hdr
);
2323 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2324 encode_putfh(xdr
, args
->fh
, &hdr
);
2325 encode_locku(xdr
, args
, &hdr
);
2329 static void nfs4_xdr_enc_release_lockowner(struct rpc_rqst
*req
,
2330 struct xdr_stream
*xdr
,
2331 struct nfs_release_lockowner_args
*args
)
2333 struct compound_hdr hdr
= {
2337 encode_compound_hdr(xdr
, req
, &hdr
);
2338 encode_release_lockowner(xdr
, &args
->lock_owner
, &hdr
);
2343 * Encode a READLINK request
2345 static void nfs4_xdr_enc_readlink(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2346 const struct nfs4_readlink
*args
)
2348 struct compound_hdr hdr
= {
2349 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2352 encode_compound_hdr(xdr
, req
, &hdr
);
2353 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2354 encode_putfh(xdr
, args
->fh
, &hdr
);
2355 encode_readlink(xdr
, args
, req
, &hdr
);
2357 xdr_inline_pages(&req
->rq_rcv_buf
, hdr
.replen
<< 2, args
->pages
,
2358 args
->pgbase
, args
->pglen
);
2363 * Encode a READDIR request
2365 static void nfs4_xdr_enc_readdir(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2366 const struct nfs4_readdir_arg
*args
)
2368 struct compound_hdr hdr
= {
2369 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2372 encode_compound_hdr(xdr
, req
, &hdr
);
2373 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2374 encode_putfh(xdr
, args
->fh
, &hdr
);
2375 encode_readdir(xdr
, args
, req
, &hdr
);
2377 xdr_inline_pages(&req
->rq_rcv_buf
, hdr
.replen
<< 2, args
->pages
,
2378 args
->pgbase
, args
->count
);
2379 dprintk("%s: inlined page args = (%u, %p, %u, %u)\n",
2380 __func__
, hdr
.replen
<< 2, args
->pages
,
2381 args
->pgbase
, args
->count
);
2386 * Encode a READ request
2388 static void nfs4_xdr_enc_read(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2389 struct nfs_readargs
*args
)
2391 struct compound_hdr hdr
= {
2392 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2395 encode_compound_hdr(xdr
, req
, &hdr
);
2396 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2397 encode_putfh(xdr
, args
->fh
, &hdr
);
2398 encode_read(xdr
, args
, &hdr
);
2400 xdr_inline_pages(&req
->rq_rcv_buf
, hdr
.replen
<< 2,
2401 args
->pages
, args
->pgbase
, args
->count
);
2402 req
->rq_rcv_buf
.flags
|= XDRBUF_READ
;
2407 * Encode an SETATTR request
2409 static void nfs4_xdr_enc_setattr(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2410 struct nfs_setattrargs
*args
)
2412 struct compound_hdr hdr
= {
2413 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2416 encode_compound_hdr(xdr
, req
, &hdr
);
2417 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2418 encode_putfh(xdr
, args
->fh
, &hdr
);
2419 encode_setattr(xdr
, args
, args
->server
, &hdr
);
2420 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2425 * Encode a GETACL request
2427 static void nfs4_xdr_enc_getacl(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2428 struct nfs_getaclargs
*args
)
2430 struct compound_hdr hdr
= {
2431 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2435 encode_compound_hdr(xdr
, req
, &hdr
);
2436 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2437 encode_putfh(xdr
, args
->fh
, &hdr
);
2438 replen
= hdr
.replen
+ op_decode_hdr_maxsz
+ 1;
2439 encode_getattr_two(xdr
, FATTR4_WORD0_ACL
, 0, &hdr
);
2441 xdr_inline_pages(&req
->rq_rcv_buf
, replen
<< 2,
2442 args
->acl_pages
, args
->acl_pgbase
, args
->acl_len
);
2448 * Encode a WRITE request
2450 static void nfs4_xdr_enc_write(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2451 struct nfs_writeargs
*args
)
2453 struct compound_hdr hdr
= {
2454 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2457 encode_compound_hdr(xdr
, req
, &hdr
);
2458 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2459 encode_putfh(xdr
, args
->fh
, &hdr
);
2460 encode_write(xdr
, args
, &hdr
);
2461 req
->rq_snd_buf
.flags
|= XDRBUF_WRITE
;
2463 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2470 static void nfs4_xdr_enc_commit(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2471 struct nfs_commitargs
*args
)
2473 struct compound_hdr hdr
= {
2474 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2477 encode_compound_hdr(xdr
, req
, &hdr
);
2478 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2479 encode_putfh(xdr
, args
->fh
, &hdr
);
2480 encode_commit(xdr
, args
, &hdr
);
2487 static void nfs4_xdr_enc_fsinfo(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2488 struct nfs4_fsinfo_arg
*args
)
2490 struct compound_hdr hdr
= {
2491 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2494 encode_compound_hdr(xdr
, req
, &hdr
);
2495 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2496 encode_putfh(xdr
, args
->fh
, &hdr
);
2497 encode_fsinfo(xdr
, args
->bitmask
, &hdr
);
2502 * a PATHCONF request
2504 static void nfs4_xdr_enc_pathconf(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2505 const struct nfs4_pathconf_arg
*args
)
2507 struct compound_hdr hdr
= {
2508 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2511 encode_compound_hdr(xdr
, req
, &hdr
);
2512 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2513 encode_putfh(xdr
, args
->fh
, &hdr
);
2514 encode_getattr_one(xdr
, args
->bitmask
[0] & nfs4_pathconf_bitmap
[0],
2522 static void nfs4_xdr_enc_statfs(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2523 const struct nfs4_statfs_arg
*args
)
2525 struct compound_hdr hdr
= {
2526 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2529 encode_compound_hdr(xdr
, req
, &hdr
);
2530 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2531 encode_putfh(xdr
, args
->fh
, &hdr
);
2532 encode_getattr_two(xdr
, args
->bitmask
[0] & nfs4_statfs_bitmap
[0],
2533 args
->bitmask
[1] & nfs4_statfs_bitmap
[1], &hdr
);
2538 * GETATTR_BITMAP request
2540 static void nfs4_xdr_enc_server_caps(struct rpc_rqst
*req
,
2541 struct xdr_stream
*xdr
,
2542 struct nfs4_server_caps_arg
*args
)
2544 struct compound_hdr hdr
= {
2545 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2548 encode_compound_hdr(xdr
, req
, &hdr
);
2549 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2550 encode_putfh(xdr
, args
->fhandle
, &hdr
);
2551 encode_getattr_one(xdr
, FATTR4_WORD0_SUPPORTED_ATTRS
|
2552 FATTR4_WORD0_FH_EXPIRE_TYPE
|
2553 FATTR4_WORD0_LINK_SUPPORT
|
2554 FATTR4_WORD0_SYMLINK_SUPPORT
|
2555 FATTR4_WORD0_ACLSUPPORT
, &hdr
);
2562 static void nfs4_xdr_enc_renew(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2563 struct nfs_client
*clp
)
2565 struct compound_hdr hdr
= {
2569 encode_compound_hdr(xdr
, req
, &hdr
);
2570 encode_renew(xdr
, clp
->cl_clientid
, &hdr
);
2575 * a SETCLIENTID request
2577 static void nfs4_xdr_enc_setclientid(struct rpc_rqst
*req
,
2578 struct xdr_stream
*xdr
,
2579 struct nfs4_setclientid
*sc
)
2581 struct compound_hdr hdr
= {
2585 encode_compound_hdr(xdr
, req
, &hdr
);
2586 encode_setclientid(xdr
, sc
, &hdr
);
2591 * a SETCLIENTID_CONFIRM request
2593 static void nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst
*req
,
2594 struct xdr_stream
*xdr
,
2595 struct nfs4_setclientid_res
*arg
)
2597 struct compound_hdr hdr
= {
2601 encode_compound_hdr(xdr
, req
, &hdr
);
2602 encode_setclientid_confirm(xdr
, arg
, &hdr
);
2607 * DELEGRETURN request
2609 static void nfs4_xdr_enc_delegreturn(struct rpc_rqst
*req
,
2610 struct xdr_stream
*xdr
,
2611 const struct nfs4_delegreturnargs
*args
)
2613 struct compound_hdr hdr
= {
2614 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2617 encode_compound_hdr(xdr
, req
, &hdr
);
2618 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2619 encode_putfh(xdr
, args
->fhandle
, &hdr
);
2620 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2621 encode_delegreturn(xdr
, args
->stateid
, &hdr
);
2626 * Encode FS_LOCATIONS request
2628 static void nfs4_xdr_enc_fs_locations(struct rpc_rqst
*req
,
2629 struct xdr_stream
*xdr
,
2630 struct nfs4_fs_locations_arg
*args
)
2632 struct compound_hdr hdr
= {
2633 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2637 encode_compound_hdr(xdr
, req
, &hdr
);
2638 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2639 encode_putfh(xdr
, args
->dir_fh
, &hdr
);
2640 encode_lookup(xdr
, args
->name
, &hdr
);
2641 replen
= hdr
.replen
; /* get the attribute into args->page */
2642 encode_fs_locations(xdr
, args
->bitmask
, &hdr
);
2644 xdr_inline_pages(&req
->rq_rcv_buf
, replen
<< 2, &args
->page
,
2650 * Encode SECINFO request
2652 static void nfs4_xdr_enc_secinfo(struct rpc_rqst
*req
,
2653 struct xdr_stream
*xdr
,
2654 struct nfs4_secinfo_arg
*args
)
2656 struct compound_hdr hdr
= {
2657 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2660 encode_compound_hdr(xdr
, req
, &hdr
);
2661 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2662 encode_putfh(xdr
, args
->dir_fh
, &hdr
);
2663 encode_secinfo(xdr
, args
->name
, &hdr
);
2667 #if defined(CONFIG_NFS_V4_1)
2669 * BIND_CONN_TO_SESSION request
2671 static void nfs4_xdr_enc_bind_conn_to_session(struct rpc_rqst
*req
,
2672 struct xdr_stream
*xdr
,
2673 struct nfs_client
*clp
)
2675 struct compound_hdr hdr
= {
2676 .minorversion
= clp
->cl_mvops
->minor_version
,
2679 encode_compound_hdr(xdr
, req
, &hdr
);
2680 encode_bind_conn_to_session(xdr
, clp
->cl_session
, &hdr
);
2685 * EXCHANGE_ID request
2687 static void nfs4_xdr_enc_exchange_id(struct rpc_rqst
*req
,
2688 struct xdr_stream
*xdr
,
2689 struct nfs41_exchange_id_args
*args
)
2691 struct compound_hdr hdr
= {
2692 .minorversion
= args
->client
->cl_mvops
->minor_version
,
2695 encode_compound_hdr(xdr
, req
, &hdr
);
2696 encode_exchange_id(xdr
, args
, &hdr
);
2701 * a CREATE_SESSION request
2703 static void nfs4_xdr_enc_create_session(struct rpc_rqst
*req
,
2704 struct xdr_stream
*xdr
,
2705 struct nfs41_create_session_args
*args
)
2707 struct compound_hdr hdr
= {
2708 .minorversion
= args
->client
->cl_mvops
->minor_version
,
2711 encode_compound_hdr(xdr
, req
, &hdr
);
2712 encode_create_session(xdr
, args
, &hdr
);
2717 * a DESTROY_SESSION request
2719 static void nfs4_xdr_enc_destroy_session(struct rpc_rqst
*req
,
2720 struct xdr_stream
*xdr
,
2721 struct nfs4_session
*session
)
2723 struct compound_hdr hdr
= {
2724 .minorversion
= session
->clp
->cl_mvops
->minor_version
,
2727 encode_compound_hdr(xdr
, req
, &hdr
);
2728 encode_destroy_session(xdr
, session
, &hdr
);
2733 * a DESTROY_CLIENTID request
2735 static void nfs4_xdr_enc_destroy_clientid(struct rpc_rqst
*req
,
2736 struct xdr_stream
*xdr
,
2737 struct nfs_client
*clp
)
2739 struct compound_hdr hdr
= {
2740 .minorversion
= clp
->cl_mvops
->minor_version
,
2743 encode_compound_hdr(xdr
, req
, &hdr
);
2744 encode_destroy_clientid(xdr
, clp
->cl_clientid
, &hdr
);
2749 * a SEQUENCE request
2751 static void nfs4_xdr_enc_sequence(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2752 struct nfs4_sequence_args
*args
)
2754 struct compound_hdr hdr
= {
2755 .minorversion
= nfs4_xdr_minorversion(args
),
2758 encode_compound_hdr(xdr
, req
, &hdr
);
2759 encode_sequence(xdr
, args
, &hdr
);
2764 * a GET_LEASE_TIME request
2766 static void nfs4_xdr_enc_get_lease_time(struct rpc_rqst
*req
,
2767 struct xdr_stream
*xdr
,
2768 struct nfs4_get_lease_time_args
*args
)
2770 struct compound_hdr hdr
= {
2771 .minorversion
= nfs4_xdr_minorversion(&args
->la_seq_args
),
2773 const u32 lease_bitmap
[3] = { FATTR4_WORD0_LEASE_TIME
};
2775 encode_compound_hdr(xdr
, req
, &hdr
);
2776 encode_sequence(xdr
, &args
->la_seq_args
, &hdr
);
2777 encode_putrootfh(xdr
, &hdr
);
2778 encode_fsinfo(xdr
, lease_bitmap
, &hdr
);
2783 * a RECLAIM_COMPLETE request
2785 static void nfs4_xdr_enc_reclaim_complete(struct rpc_rqst
*req
,
2786 struct xdr_stream
*xdr
,
2787 struct nfs41_reclaim_complete_args
*args
)
2789 struct compound_hdr hdr
= {
2790 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
)
2793 encode_compound_hdr(xdr
, req
, &hdr
);
2794 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2795 encode_reclaim_complete(xdr
, args
, &hdr
);
2800 * Encode GETDEVICELIST request
2802 static void nfs4_xdr_enc_getdevicelist(struct rpc_rqst
*req
,
2803 struct xdr_stream
*xdr
,
2804 struct nfs4_getdevicelist_args
*args
)
2806 struct compound_hdr hdr
= {
2807 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2810 encode_compound_hdr(xdr
, req
, &hdr
);
2811 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2812 encode_putfh(xdr
, args
->fh
, &hdr
);
2813 encode_getdevicelist(xdr
, args
, &hdr
);
2818 * Encode GETDEVICEINFO request
2820 static void nfs4_xdr_enc_getdeviceinfo(struct rpc_rqst
*req
,
2821 struct xdr_stream
*xdr
,
2822 struct nfs4_getdeviceinfo_args
*args
)
2824 struct compound_hdr hdr
= {
2825 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2828 encode_compound_hdr(xdr
, req
, &hdr
);
2829 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2830 encode_getdeviceinfo(xdr
, args
, &hdr
);
2832 /* set up reply kvec. Subtract notification bitmap max size (2)
2833 * so that notification bitmap is put in xdr_buf tail */
2834 xdr_inline_pages(&req
->rq_rcv_buf
, (hdr
.replen
- 2) << 2,
2835 args
->pdev
->pages
, args
->pdev
->pgbase
,
2842 * Encode LAYOUTGET request
2844 static void nfs4_xdr_enc_layoutget(struct rpc_rqst
*req
,
2845 struct xdr_stream
*xdr
,
2846 struct nfs4_layoutget_args
*args
)
2848 struct compound_hdr hdr
= {
2849 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2852 encode_compound_hdr(xdr
, req
, &hdr
);
2853 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2854 encode_putfh(xdr
, NFS_FH(args
->inode
), &hdr
);
2855 encode_layoutget(xdr
, args
, &hdr
);
2857 xdr_inline_pages(&req
->rq_rcv_buf
, hdr
.replen
<< 2,
2858 args
->layout
.pages
, 0, args
->layout
.pglen
);
2864 * Encode LAYOUTCOMMIT request
2866 static void nfs4_xdr_enc_layoutcommit(struct rpc_rqst
*req
,
2867 struct xdr_stream
*xdr
,
2868 struct nfs4_layoutcommit_args
*args
)
2870 struct nfs4_layoutcommit_data
*data
=
2871 container_of(args
, struct nfs4_layoutcommit_data
, args
);
2872 struct compound_hdr hdr
= {
2873 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2876 encode_compound_hdr(xdr
, req
, &hdr
);
2877 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2878 encode_putfh(xdr
, NFS_FH(args
->inode
), &hdr
);
2879 encode_layoutcommit(xdr
, data
->args
.inode
, args
, &hdr
);
2880 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2885 * Encode LAYOUTRETURN request
2887 static void nfs4_xdr_enc_layoutreturn(struct rpc_rqst
*req
,
2888 struct xdr_stream
*xdr
,
2889 struct nfs4_layoutreturn_args
*args
)
2891 struct compound_hdr hdr
= {
2892 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2895 encode_compound_hdr(xdr
, req
, &hdr
);
2896 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2897 encode_putfh(xdr
, NFS_FH(args
->inode
), &hdr
);
2898 encode_layoutreturn(xdr
, args
, &hdr
);
2903 * Encode SECINFO_NO_NAME request
2905 static int nfs4_xdr_enc_secinfo_no_name(struct rpc_rqst
*req
,
2906 struct xdr_stream
*xdr
,
2907 struct nfs41_secinfo_no_name_args
*args
)
2909 struct compound_hdr hdr
= {
2910 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2913 encode_compound_hdr(xdr
, req
, &hdr
);
2914 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2915 encode_putrootfh(xdr
, &hdr
);
2916 encode_secinfo_no_name(xdr
, args
, &hdr
);
2922 * Encode TEST_STATEID request
2924 static void nfs4_xdr_enc_test_stateid(struct rpc_rqst
*req
,
2925 struct xdr_stream
*xdr
,
2926 struct nfs41_test_stateid_args
*args
)
2928 struct compound_hdr hdr
= {
2929 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2932 encode_compound_hdr(xdr
, req
, &hdr
);
2933 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2934 encode_test_stateid(xdr
, args
, &hdr
);
2939 * Encode FREE_STATEID request
2941 static void nfs4_xdr_enc_free_stateid(struct rpc_rqst
*req
,
2942 struct xdr_stream
*xdr
,
2943 struct nfs41_free_stateid_args
*args
)
2945 struct compound_hdr hdr
= {
2946 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2949 encode_compound_hdr(xdr
, req
, &hdr
);
2950 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2951 encode_free_stateid(xdr
, args
, &hdr
);
2954 #endif /* CONFIG_NFS_V4_1 */
2956 static void print_overflow_msg(const char *func
, const struct xdr_stream
*xdr
)
2958 dprintk("nfs: %s: prematurely hit end of receive buffer. "
2959 "Remaining buffer length is %tu words.\n",
2960 func
, xdr
->end
- xdr
->p
);
2963 static int decode_opaque_inline(struct xdr_stream
*xdr
, unsigned int *len
, char **string
)
2967 p
= xdr_inline_decode(xdr
, 4);
2970 *len
= be32_to_cpup(p
);
2971 p
= xdr_inline_decode(xdr
, *len
);
2974 *string
= (char *)p
;
2977 print_overflow_msg(__func__
, xdr
);
2981 static int decode_compound_hdr(struct xdr_stream
*xdr
, struct compound_hdr
*hdr
)
2985 p
= xdr_inline_decode(xdr
, 8);
2988 hdr
->status
= be32_to_cpup(p
++);
2989 hdr
->taglen
= be32_to_cpup(p
);
2991 p
= xdr_inline_decode(xdr
, hdr
->taglen
+ 4);
2994 hdr
->tag
= (char *)p
;
2995 p
+= XDR_QUADLEN(hdr
->taglen
);
2996 hdr
->nops
= be32_to_cpup(p
);
2997 if (unlikely(hdr
->nops
< 1))
2998 return nfs4_stat_to_errno(hdr
->status
);
3001 print_overflow_msg(__func__
, xdr
);
3005 static int decode_op_hdr(struct xdr_stream
*xdr
, enum nfs_opnum4 expected
)
3011 p
= xdr_inline_decode(xdr
, 8);
3014 opnum
= be32_to_cpup(p
++);
3015 if (opnum
!= expected
) {
3016 dprintk("nfs: Server returned operation"
3017 " %d but we issued a request for %d\n",
3021 nfserr
= be32_to_cpup(p
);
3022 if (nfserr
!= NFS_OK
)
3023 return nfs4_stat_to_errno(nfserr
);
3026 print_overflow_msg(__func__
, xdr
);
3031 static int decode_ace(struct xdr_stream
*xdr
, void *ace
, struct nfs_client
*clp
)
3034 unsigned int strlen
;
3037 p
= xdr_inline_decode(xdr
, 12);
3039 return decode_opaque_inline(xdr
, &strlen
, &str
);
3040 print_overflow_msg(__func__
, xdr
);
3044 static int decode_attr_bitmap(struct xdr_stream
*xdr
, uint32_t *bitmap
)
3049 p
= xdr_inline_decode(xdr
, 4);
3052 bmlen
= be32_to_cpup(p
);
3054 bitmap
[0] = bitmap
[1] = bitmap
[2] = 0;
3055 p
= xdr_inline_decode(xdr
, (bmlen
<< 2));
3059 bitmap
[0] = be32_to_cpup(p
++);
3061 bitmap
[1] = be32_to_cpup(p
++);
3063 bitmap
[2] = be32_to_cpup(p
);
3068 print_overflow_msg(__func__
, xdr
);
3072 static int decode_attr_length(struct xdr_stream
*xdr
, uint32_t *attrlen
, unsigned int *savep
)
3076 p
= xdr_inline_decode(xdr
, 4);
3079 *attrlen
= be32_to_cpup(p
);
3080 *savep
= xdr_stream_pos(xdr
);
3083 print_overflow_msg(__func__
, xdr
);
3087 static int decode_attr_supported(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *bitmask
)
3089 if (likely(bitmap
[0] & FATTR4_WORD0_SUPPORTED_ATTRS
)) {
3091 ret
= decode_attr_bitmap(xdr
, bitmask
);
3092 if (unlikely(ret
< 0))
3094 bitmap
[0] &= ~FATTR4_WORD0_SUPPORTED_ATTRS
;
3096 bitmask
[0] = bitmask
[1] = bitmask
[2] = 0;
3097 dprintk("%s: bitmask=%08x:%08x:%08x\n", __func__
,
3098 bitmask
[0], bitmask
[1], bitmask
[2]);
3102 static int decode_attr_type(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *type
)
3108 if (unlikely(bitmap
[0] & (FATTR4_WORD0_TYPE
- 1U)))
3110 if (likely(bitmap
[0] & FATTR4_WORD0_TYPE
)) {
3111 p
= xdr_inline_decode(xdr
, 4);
3114 *type
= be32_to_cpup(p
);
3115 if (*type
< NF4REG
|| *type
> NF4NAMEDATTR
) {
3116 dprintk("%s: bad type %d\n", __func__
, *type
);
3119 bitmap
[0] &= ~FATTR4_WORD0_TYPE
;
3120 ret
= NFS_ATTR_FATTR_TYPE
;
3122 dprintk("%s: type=0%o\n", __func__
, nfs_type2fmt
[*type
]);
3125 print_overflow_msg(__func__
, xdr
);
3129 static int decode_attr_fh_expire_type(struct xdr_stream
*xdr
,
3130 uint32_t *bitmap
, uint32_t *type
)
3135 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FH_EXPIRE_TYPE
- 1U)))
3137 if (likely(bitmap
[0] & FATTR4_WORD0_FH_EXPIRE_TYPE
)) {
3138 p
= xdr_inline_decode(xdr
, 4);
3141 *type
= be32_to_cpup(p
);
3142 bitmap
[0] &= ~FATTR4_WORD0_FH_EXPIRE_TYPE
;
3144 dprintk("%s: expire type=0x%x\n", __func__
, *type
);
3147 print_overflow_msg(__func__
, xdr
);
3151 static int decode_attr_change(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *change
)
3157 if (unlikely(bitmap
[0] & (FATTR4_WORD0_CHANGE
- 1U)))
3159 if (likely(bitmap
[0] & FATTR4_WORD0_CHANGE
)) {
3160 p
= xdr_inline_decode(xdr
, 8);
3163 xdr_decode_hyper(p
, change
);
3164 bitmap
[0] &= ~FATTR4_WORD0_CHANGE
;
3165 ret
= NFS_ATTR_FATTR_CHANGE
;
3167 dprintk("%s: change attribute=%Lu\n", __func__
,
3168 (unsigned long long)*change
);
3171 print_overflow_msg(__func__
, xdr
);
3175 static int decode_attr_size(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *size
)
3181 if (unlikely(bitmap
[0] & (FATTR4_WORD0_SIZE
- 1U)))
3183 if (likely(bitmap
[0] & FATTR4_WORD0_SIZE
)) {
3184 p
= xdr_inline_decode(xdr
, 8);
3187 xdr_decode_hyper(p
, size
);
3188 bitmap
[0] &= ~FATTR4_WORD0_SIZE
;
3189 ret
= NFS_ATTR_FATTR_SIZE
;
3191 dprintk("%s: file size=%Lu\n", __func__
, (unsigned long long)*size
);
3194 print_overflow_msg(__func__
, xdr
);
3198 static int decode_attr_link_support(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *res
)
3203 if (unlikely(bitmap
[0] & (FATTR4_WORD0_LINK_SUPPORT
- 1U)))
3205 if (likely(bitmap
[0] & FATTR4_WORD0_LINK_SUPPORT
)) {
3206 p
= xdr_inline_decode(xdr
, 4);
3209 *res
= be32_to_cpup(p
);
3210 bitmap
[0] &= ~FATTR4_WORD0_LINK_SUPPORT
;
3212 dprintk("%s: link support=%s\n", __func__
, *res
== 0 ? "false" : "true");
3215 print_overflow_msg(__func__
, xdr
);
3219 static int decode_attr_symlink_support(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *res
)
3224 if (unlikely(bitmap
[0] & (FATTR4_WORD0_SYMLINK_SUPPORT
- 1U)))
3226 if (likely(bitmap
[0] & FATTR4_WORD0_SYMLINK_SUPPORT
)) {
3227 p
= xdr_inline_decode(xdr
, 4);
3230 *res
= be32_to_cpup(p
);
3231 bitmap
[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT
;
3233 dprintk("%s: symlink support=%s\n", __func__
, *res
== 0 ? "false" : "true");
3236 print_overflow_msg(__func__
, xdr
);
3240 static int decode_attr_fsid(struct xdr_stream
*xdr
, uint32_t *bitmap
, struct nfs_fsid
*fsid
)
3247 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FSID
- 1U)))
3249 if (likely(bitmap
[0] & FATTR4_WORD0_FSID
)) {
3250 p
= xdr_inline_decode(xdr
, 16);
3253 p
= xdr_decode_hyper(p
, &fsid
->major
);
3254 xdr_decode_hyper(p
, &fsid
->minor
);
3255 bitmap
[0] &= ~FATTR4_WORD0_FSID
;
3256 ret
= NFS_ATTR_FATTR_FSID
;
3258 dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __func__
,
3259 (unsigned long long)fsid
->major
,
3260 (unsigned long long)fsid
->minor
);
3263 print_overflow_msg(__func__
, xdr
);
3267 static int decode_attr_lease_time(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *res
)
3272 if (unlikely(bitmap
[0] & (FATTR4_WORD0_LEASE_TIME
- 1U)))
3274 if (likely(bitmap
[0] & FATTR4_WORD0_LEASE_TIME
)) {
3275 p
= xdr_inline_decode(xdr
, 4);
3278 *res
= be32_to_cpup(p
);
3279 bitmap
[0] &= ~FATTR4_WORD0_LEASE_TIME
;
3281 dprintk("%s: file size=%u\n", __func__
, (unsigned int)*res
);
3284 print_overflow_msg(__func__
, xdr
);
3288 static int decode_attr_error(struct xdr_stream
*xdr
, uint32_t *bitmap
, int32_t *res
)
3292 if (unlikely(bitmap
[0] & (FATTR4_WORD0_RDATTR_ERROR
- 1U)))
3294 if (likely(bitmap
[0] & FATTR4_WORD0_RDATTR_ERROR
)) {
3295 p
= xdr_inline_decode(xdr
, 4);
3298 bitmap
[0] &= ~FATTR4_WORD0_RDATTR_ERROR
;
3299 *res
= -be32_to_cpup(p
);
3303 print_overflow_msg(__func__
, xdr
);
3307 static int decode_attr_filehandle(struct xdr_stream
*xdr
, uint32_t *bitmap
, struct nfs_fh
*fh
)
3313 memset(fh
, 0, sizeof(*fh
));
3315 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FILEHANDLE
- 1U)))
3317 if (likely(bitmap
[0] & FATTR4_WORD0_FILEHANDLE
)) {
3318 p
= xdr_inline_decode(xdr
, 4);
3321 len
= be32_to_cpup(p
);
3322 if (len
> NFS4_FHSIZE
)
3324 p
= xdr_inline_decode(xdr
, len
);
3328 memcpy(fh
->data
, p
, len
);
3331 bitmap
[0] &= ~FATTR4_WORD0_FILEHANDLE
;
3335 print_overflow_msg(__func__
, xdr
);
3339 static int decode_attr_aclsupport(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *res
)
3343 *res
= ACL4_SUPPORT_ALLOW_ACL
|ACL4_SUPPORT_DENY_ACL
;
3344 if (unlikely(bitmap
[0] & (FATTR4_WORD0_ACLSUPPORT
- 1U)))
3346 if (likely(bitmap
[0] & FATTR4_WORD0_ACLSUPPORT
)) {
3347 p
= xdr_inline_decode(xdr
, 4);
3350 *res
= be32_to_cpup(p
);
3351 bitmap
[0] &= ~FATTR4_WORD0_ACLSUPPORT
;
3353 dprintk("%s: ACLs supported=%u\n", __func__
, (unsigned int)*res
);
3356 print_overflow_msg(__func__
, xdr
);
3360 static int decode_attr_fileid(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *fileid
)
3366 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FILEID
- 1U)))
3368 if (likely(bitmap
[0] & FATTR4_WORD0_FILEID
)) {
3369 p
= xdr_inline_decode(xdr
, 8);
3372 xdr_decode_hyper(p
, fileid
);
3373 bitmap
[0] &= ~FATTR4_WORD0_FILEID
;
3374 ret
= NFS_ATTR_FATTR_FILEID
;
3376 dprintk("%s: fileid=%Lu\n", __func__
, (unsigned long long)*fileid
);
3379 print_overflow_msg(__func__
, xdr
);
3383 static int decode_attr_mounted_on_fileid(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *fileid
)
3389 if (unlikely(bitmap
[1] & (FATTR4_WORD1_MOUNTED_ON_FILEID
- 1U)))
3391 if (likely(bitmap
[1] & FATTR4_WORD1_MOUNTED_ON_FILEID
)) {
3392 p
= xdr_inline_decode(xdr
, 8);
3395 xdr_decode_hyper(p
, fileid
);
3396 bitmap
[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID
;
3397 ret
= NFS_ATTR_FATTR_MOUNTED_ON_FILEID
;
3399 dprintk("%s: fileid=%Lu\n", __func__
, (unsigned long long)*fileid
);
3402 print_overflow_msg(__func__
, xdr
);
3406 static int decode_attr_files_avail(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
3412 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FILES_AVAIL
- 1U)))
3414 if (likely(bitmap
[0] & FATTR4_WORD0_FILES_AVAIL
)) {
3415 p
= xdr_inline_decode(xdr
, 8);
3418 xdr_decode_hyper(p
, res
);
3419 bitmap
[0] &= ~FATTR4_WORD0_FILES_AVAIL
;
3421 dprintk("%s: files avail=%Lu\n", __func__
, (unsigned long long)*res
);
3424 print_overflow_msg(__func__
, xdr
);
3428 static int decode_attr_files_free(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
3434 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FILES_FREE
- 1U)))
3436 if (likely(bitmap
[0] & FATTR4_WORD0_FILES_FREE
)) {
3437 p
= xdr_inline_decode(xdr
, 8);
3440 xdr_decode_hyper(p
, res
);
3441 bitmap
[0] &= ~FATTR4_WORD0_FILES_FREE
;
3443 dprintk("%s: files free=%Lu\n", __func__
, (unsigned long long)*res
);
3446 print_overflow_msg(__func__
, xdr
);
3450 static int decode_attr_files_total(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
3456 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FILES_TOTAL
- 1U)))
3458 if (likely(bitmap
[0] & FATTR4_WORD0_FILES_TOTAL
)) {
3459 p
= xdr_inline_decode(xdr
, 8);
3462 xdr_decode_hyper(p
, res
);
3463 bitmap
[0] &= ~FATTR4_WORD0_FILES_TOTAL
;
3465 dprintk("%s: files total=%Lu\n", __func__
, (unsigned long long)*res
);
3468 print_overflow_msg(__func__
, xdr
);
3472 static int decode_pathname(struct xdr_stream
*xdr
, struct nfs4_pathname
*path
)
3478 p
= xdr_inline_decode(xdr
, 4);
3481 n
= be32_to_cpup(p
);
3484 dprintk("pathname4: ");
3485 if (n
> NFS4_PATHNAME_MAXCOMPONENTS
) {
3486 dprintk("cannot parse %d components in path\n", n
);
3489 for (path
->ncomponents
= 0; path
->ncomponents
< n
; path
->ncomponents
++) {
3490 struct nfs4_string
*component
= &path
->components
[path
->ncomponents
];
3491 status
= decode_opaque_inline(xdr
, &component
->len
, &component
->data
);
3492 if (unlikely(status
!= 0))
3496 (path
->ncomponents
!= n
? "/ " : ""),
3497 component
->len
, component
->data
);
3502 /* a root pathname is sent as a zero component4 */
3503 path
->ncomponents
= 1;
3504 path
->components
[0].len
=0;
3505 path
->components
[0].data
=NULL
;
3506 dprintk("pathname4: /\n");
3509 dprintk(" status %d", status
);
3513 print_overflow_msg(__func__
, xdr
);
3517 static int decode_attr_fs_locations(struct xdr_stream
*xdr
, uint32_t *bitmap
, struct nfs4_fs_locations
*res
)
3523 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FS_LOCATIONS
-1U)))
3526 if (unlikely(!(bitmap
[0] & FATTR4_WORD0_FS_LOCATIONS
)))
3529 /* Ignore borken servers that return unrequested attrs */
3530 if (unlikely(res
== NULL
))
3532 dprintk("%s: fsroot:\n", __func__
);
3533 status
= decode_pathname(xdr
, &res
->fs_path
);
3534 if (unlikely(status
!= 0))
3536 p
= xdr_inline_decode(xdr
, 4);
3539 n
= be32_to_cpup(p
);
3542 for (res
->nlocations
= 0; res
->nlocations
< n
; res
->nlocations
++) {
3544 struct nfs4_fs_location
*loc
;
3546 if (res
->nlocations
== NFS4_FS_LOCATIONS_MAXENTRIES
)
3548 loc
= &res
->locations
[res
->nlocations
];
3549 p
= xdr_inline_decode(xdr
, 4);
3552 m
= be32_to_cpup(p
);
3554 dprintk("%s: servers:\n", __func__
);
3555 for (loc
->nservers
= 0; loc
->nservers
< m
; loc
->nservers
++) {
3556 struct nfs4_string
*server
;
3558 if (loc
->nservers
== NFS4_FS_LOCATION_MAXSERVERS
) {
3560 dprintk("%s: using first %u of %u servers "
3561 "returned for location %u\n",
3563 NFS4_FS_LOCATION_MAXSERVERS
,
3564 m
, res
->nlocations
);
3565 for (i
= loc
->nservers
; i
< m
; i
++) {
3568 status
= decode_opaque_inline(xdr
, &len
, &data
);
3569 if (unlikely(status
!= 0))
3574 server
= &loc
->servers
[loc
->nservers
];
3575 status
= decode_opaque_inline(xdr
, &server
->len
, &server
->data
);
3576 if (unlikely(status
!= 0))
3578 dprintk("%s ", server
->data
);
3580 status
= decode_pathname(xdr
, &loc
->rootpath
);
3581 if (unlikely(status
!= 0))
3584 if (res
->nlocations
!= 0)
3585 status
= NFS_ATTR_FATTR_V4_LOCATIONS
;
3587 dprintk("%s: fs_locations done, error = %d\n", __func__
, status
);
3590 print_overflow_msg(__func__
, xdr
);
3596 static int decode_attr_maxfilesize(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
3602 if (unlikely(bitmap
[0] & (FATTR4_WORD0_MAXFILESIZE
- 1U)))
3604 if (likely(bitmap
[0] & FATTR4_WORD0_MAXFILESIZE
)) {
3605 p
= xdr_inline_decode(xdr
, 8);
3608 xdr_decode_hyper(p
, res
);
3609 bitmap
[0] &= ~FATTR4_WORD0_MAXFILESIZE
;
3611 dprintk("%s: maxfilesize=%Lu\n", __func__
, (unsigned long long)*res
);
3614 print_overflow_msg(__func__
, xdr
);
3618 static int decode_attr_maxlink(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *maxlink
)
3624 if (unlikely(bitmap
[0] & (FATTR4_WORD0_MAXLINK
- 1U)))
3626 if (likely(bitmap
[0] & FATTR4_WORD0_MAXLINK
)) {
3627 p
= xdr_inline_decode(xdr
, 4);
3630 *maxlink
= be32_to_cpup(p
);
3631 bitmap
[0] &= ~FATTR4_WORD0_MAXLINK
;
3633 dprintk("%s: maxlink=%u\n", __func__
, *maxlink
);
3636 print_overflow_msg(__func__
, xdr
);
3640 static int decode_attr_maxname(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *maxname
)
3646 if (unlikely(bitmap
[0] & (FATTR4_WORD0_MAXNAME
- 1U)))
3648 if (likely(bitmap
[0] & FATTR4_WORD0_MAXNAME
)) {
3649 p
= xdr_inline_decode(xdr
, 4);
3652 *maxname
= be32_to_cpup(p
);
3653 bitmap
[0] &= ~FATTR4_WORD0_MAXNAME
;
3655 dprintk("%s: maxname=%u\n", __func__
, *maxname
);
3658 print_overflow_msg(__func__
, xdr
);
3662 static int decode_attr_maxread(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *res
)
3668 if (unlikely(bitmap
[0] & (FATTR4_WORD0_MAXREAD
- 1U)))
3670 if (likely(bitmap
[0] & FATTR4_WORD0_MAXREAD
)) {
3672 p
= xdr_inline_decode(xdr
, 8);
3675 xdr_decode_hyper(p
, &maxread
);
3676 if (maxread
> 0x7FFFFFFF)
3677 maxread
= 0x7FFFFFFF;
3678 *res
= (uint32_t)maxread
;
3679 bitmap
[0] &= ~FATTR4_WORD0_MAXREAD
;
3681 dprintk("%s: maxread=%lu\n", __func__
, (unsigned long)*res
);
3684 print_overflow_msg(__func__
, xdr
);
3688 static int decode_attr_maxwrite(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *res
)
3694 if (unlikely(bitmap
[0] & (FATTR4_WORD0_MAXWRITE
- 1U)))
3696 if (likely(bitmap
[0] & FATTR4_WORD0_MAXWRITE
)) {
3698 p
= xdr_inline_decode(xdr
, 8);
3701 xdr_decode_hyper(p
, &maxwrite
);
3702 if (maxwrite
> 0x7FFFFFFF)
3703 maxwrite
= 0x7FFFFFFF;
3704 *res
= (uint32_t)maxwrite
;
3705 bitmap
[0] &= ~FATTR4_WORD0_MAXWRITE
;
3707 dprintk("%s: maxwrite=%lu\n", __func__
, (unsigned long)*res
);
3710 print_overflow_msg(__func__
, xdr
);
3714 static int decode_attr_mode(struct xdr_stream
*xdr
, uint32_t *bitmap
, umode_t
*mode
)
3721 if (unlikely(bitmap
[1] & (FATTR4_WORD1_MODE
- 1U)))
3723 if (likely(bitmap
[1] & FATTR4_WORD1_MODE
)) {
3724 p
= xdr_inline_decode(xdr
, 4);
3727 tmp
= be32_to_cpup(p
);
3728 *mode
= tmp
& ~S_IFMT
;
3729 bitmap
[1] &= ~FATTR4_WORD1_MODE
;
3730 ret
= NFS_ATTR_FATTR_MODE
;
3732 dprintk("%s: file mode=0%o\n", __func__
, (unsigned int)*mode
);
3735 print_overflow_msg(__func__
, xdr
);
3739 static int decode_attr_nlink(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *nlink
)
3745 if (unlikely(bitmap
[1] & (FATTR4_WORD1_NUMLINKS
- 1U)))
3747 if (likely(bitmap
[1] & FATTR4_WORD1_NUMLINKS
)) {
3748 p
= xdr_inline_decode(xdr
, 4);
3751 *nlink
= be32_to_cpup(p
);
3752 bitmap
[1] &= ~FATTR4_WORD1_NUMLINKS
;
3753 ret
= NFS_ATTR_FATTR_NLINK
;
3755 dprintk("%s: nlink=%u\n", __func__
, (unsigned int)*nlink
);
3758 print_overflow_msg(__func__
, xdr
);
3762 static int decode_attr_owner(struct xdr_stream
*xdr
, uint32_t *bitmap
,
3763 const struct nfs_server
*server
, kuid_t
*uid
,
3764 struct nfs4_string
*owner_name
)
3770 *uid
= make_kuid(&init_user_ns
, -2);
3771 if (unlikely(bitmap
[1] & (FATTR4_WORD1_OWNER
- 1U)))
3773 if (likely(bitmap
[1] & FATTR4_WORD1_OWNER
)) {
3774 p
= xdr_inline_decode(xdr
, 4);
3777 len
= be32_to_cpup(p
);
3778 p
= xdr_inline_decode(xdr
, len
);
3781 if (owner_name
!= NULL
) {
3782 owner_name
->data
= kmemdup(p
, len
, GFP_NOWAIT
);
3783 if (owner_name
->data
!= NULL
) {
3784 owner_name
->len
= len
;
3785 ret
= NFS_ATTR_FATTR_OWNER_NAME
;
3787 } else if (len
< XDR_MAX_NETOBJ
) {
3788 if (nfs_map_name_to_uid(server
, (char *)p
, len
, uid
) == 0)
3789 ret
= NFS_ATTR_FATTR_OWNER
;
3791 dprintk("%s: nfs_map_name_to_uid failed!\n",
3794 dprintk("%s: name too long (%u)!\n",
3796 bitmap
[1] &= ~FATTR4_WORD1_OWNER
;
3798 dprintk("%s: uid=%d\n", __func__
, (int)from_kuid(&init_user_ns
, *uid
));
3801 print_overflow_msg(__func__
, xdr
);
3805 static int decode_attr_group(struct xdr_stream
*xdr
, uint32_t *bitmap
,
3806 const struct nfs_server
*server
, kgid_t
*gid
,
3807 struct nfs4_string
*group_name
)
3813 *gid
= make_kgid(&init_user_ns
, -2);
3814 if (unlikely(bitmap
[1] & (FATTR4_WORD1_OWNER_GROUP
- 1U)))
3816 if (likely(bitmap
[1] & FATTR4_WORD1_OWNER_GROUP
)) {
3817 p
= xdr_inline_decode(xdr
, 4);
3820 len
= be32_to_cpup(p
);
3821 p
= xdr_inline_decode(xdr
, len
);
3824 if (group_name
!= NULL
) {
3825 group_name
->data
= kmemdup(p
, len
, GFP_NOWAIT
);
3826 if (group_name
->data
!= NULL
) {
3827 group_name
->len
= len
;
3828 ret
= NFS_ATTR_FATTR_GROUP_NAME
;
3830 } else if (len
< XDR_MAX_NETOBJ
) {
3831 if (nfs_map_group_to_gid(server
, (char *)p
, len
, gid
) == 0)
3832 ret
= NFS_ATTR_FATTR_GROUP
;
3834 dprintk("%s: nfs_map_group_to_gid failed!\n",
3837 dprintk("%s: name too long (%u)!\n",
3839 bitmap
[1] &= ~FATTR4_WORD1_OWNER_GROUP
;
3841 dprintk("%s: gid=%d\n", __func__
, (int)from_kgid(&init_user_ns
, *gid
));
3844 print_overflow_msg(__func__
, xdr
);
3848 static int decode_attr_rdev(struct xdr_stream
*xdr
, uint32_t *bitmap
, dev_t
*rdev
)
3850 uint32_t major
= 0, minor
= 0;
3855 if (unlikely(bitmap
[1] & (FATTR4_WORD1_RAWDEV
- 1U)))
3857 if (likely(bitmap
[1] & FATTR4_WORD1_RAWDEV
)) {
3860 p
= xdr_inline_decode(xdr
, 8);
3863 major
= be32_to_cpup(p
++);
3864 minor
= be32_to_cpup(p
);
3865 tmp
= MKDEV(major
, minor
);
3866 if (MAJOR(tmp
) == major
&& MINOR(tmp
) == minor
)
3868 bitmap
[1] &= ~ FATTR4_WORD1_RAWDEV
;
3869 ret
= NFS_ATTR_FATTR_RDEV
;
3871 dprintk("%s: rdev=(0x%x:0x%x)\n", __func__
, major
, minor
);
3874 print_overflow_msg(__func__
, xdr
);
3878 static int decode_attr_space_avail(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
3884 if (unlikely(bitmap
[1] & (FATTR4_WORD1_SPACE_AVAIL
- 1U)))
3886 if (likely(bitmap
[1] & FATTR4_WORD1_SPACE_AVAIL
)) {
3887 p
= xdr_inline_decode(xdr
, 8);
3890 xdr_decode_hyper(p
, res
);
3891 bitmap
[1] &= ~FATTR4_WORD1_SPACE_AVAIL
;
3893 dprintk("%s: space avail=%Lu\n", __func__
, (unsigned long long)*res
);
3896 print_overflow_msg(__func__
, xdr
);
3900 static int decode_attr_space_free(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
3906 if (unlikely(bitmap
[1] & (FATTR4_WORD1_SPACE_FREE
- 1U)))
3908 if (likely(bitmap
[1] & FATTR4_WORD1_SPACE_FREE
)) {
3909 p
= xdr_inline_decode(xdr
, 8);
3912 xdr_decode_hyper(p
, res
);
3913 bitmap
[1] &= ~FATTR4_WORD1_SPACE_FREE
;
3915 dprintk("%s: space free=%Lu\n", __func__
, (unsigned long long)*res
);
3918 print_overflow_msg(__func__
, xdr
);
3922 static int decode_attr_space_total(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
3928 if (unlikely(bitmap
[1] & (FATTR4_WORD1_SPACE_TOTAL
- 1U)))
3930 if (likely(bitmap
[1] & FATTR4_WORD1_SPACE_TOTAL
)) {
3931 p
= xdr_inline_decode(xdr
, 8);
3934 xdr_decode_hyper(p
, res
);
3935 bitmap
[1] &= ~FATTR4_WORD1_SPACE_TOTAL
;
3937 dprintk("%s: space total=%Lu\n", __func__
, (unsigned long long)*res
);
3940 print_overflow_msg(__func__
, xdr
);
3944 static int decode_attr_space_used(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *used
)
3950 if (unlikely(bitmap
[1] & (FATTR4_WORD1_SPACE_USED
- 1U)))
3952 if (likely(bitmap
[1] & FATTR4_WORD1_SPACE_USED
)) {
3953 p
= xdr_inline_decode(xdr
, 8);
3956 xdr_decode_hyper(p
, used
);
3957 bitmap
[1] &= ~FATTR4_WORD1_SPACE_USED
;
3958 ret
= NFS_ATTR_FATTR_SPACE_USED
;
3960 dprintk("%s: space used=%Lu\n", __func__
,
3961 (unsigned long long)*used
);
3964 print_overflow_msg(__func__
, xdr
);
3968 static int decode_attr_time(struct xdr_stream
*xdr
, struct timespec
*time
)
3974 p
= xdr_inline_decode(xdr
, 12);
3977 p
= xdr_decode_hyper(p
, &sec
);
3978 nsec
= be32_to_cpup(p
);
3979 time
->tv_sec
= (time_t)sec
;
3980 time
->tv_nsec
= (long)nsec
;
3983 print_overflow_msg(__func__
, xdr
);
3987 static int decode_attr_time_access(struct xdr_stream
*xdr
, uint32_t *bitmap
, struct timespec
*time
)
3993 if (unlikely(bitmap
[1] & (FATTR4_WORD1_TIME_ACCESS
- 1U)))
3995 if (likely(bitmap
[1] & FATTR4_WORD1_TIME_ACCESS
)) {
3996 status
= decode_attr_time(xdr
, time
);
3998 status
= NFS_ATTR_FATTR_ATIME
;
3999 bitmap
[1] &= ~FATTR4_WORD1_TIME_ACCESS
;
4001 dprintk("%s: atime=%ld\n", __func__
, (long)time
->tv_sec
);
4005 static int decode_attr_time_metadata(struct xdr_stream
*xdr
, uint32_t *bitmap
, struct timespec
*time
)
4011 if (unlikely(bitmap
[1] & (FATTR4_WORD1_TIME_METADATA
- 1U)))
4013 if (likely(bitmap
[1] & FATTR4_WORD1_TIME_METADATA
)) {
4014 status
= decode_attr_time(xdr
, time
);
4016 status
= NFS_ATTR_FATTR_CTIME
;
4017 bitmap
[1] &= ~FATTR4_WORD1_TIME_METADATA
;
4019 dprintk("%s: ctime=%ld\n", __func__
, (long)time
->tv_sec
);
4023 static int decode_attr_time_delta(struct xdr_stream
*xdr
, uint32_t *bitmap
,
4024 struct timespec
*time
)
4030 if (unlikely(bitmap
[1] & (FATTR4_WORD1_TIME_DELTA
- 1U)))
4032 if (likely(bitmap
[1] & FATTR4_WORD1_TIME_DELTA
)) {
4033 status
= decode_attr_time(xdr
, time
);
4034 bitmap
[1] &= ~FATTR4_WORD1_TIME_DELTA
;
4036 dprintk("%s: time_delta=%ld %ld\n", __func__
, (long)time
->tv_sec
,
4037 (long)time
->tv_nsec
);
4041 static int decode_attr_time_modify(struct xdr_stream
*xdr
, uint32_t *bitmap
, struct timespec
*time
)
4047 if (unlikely(bitmap
[1] & (FATTR4_WORD1_TIME_MODIFY
- 1U)))
4049 if (likely(bitmap
[1] & FATTR4_WORD1_TIME_MODIFY
)) {
4050 status
= decode_attr_time(xdr
, time
);
4052 status
= NFS_ATTR_FATTR_MTIME
;
4053 bitmap
[1] &= ~FATTR4_WORD1_TIME_MODIFY
;
4055 dprintk("%s: mtime=%ld\n", __func__
, (long)time
->tv_sec
);
4059 static int verify_attr_len(struct xdr_stream
*xdr
, unsigned int savep
, uint32_t attrlen
)
4061 unsigned int attrwords
= XDR_QUADLEN(attrlen
);
4062 unsigned int nwords
= (xdr_stream_pos(xdr
) - savep
) >> 2;
4064 if (unlikely(attrwords
!= nwords
)) {
4065 dprintk("%s: server returned incorrect attribute length: "
4069 (attrwords
< nwords
) ? '<' : '>',
4076 static int decode_change_info(struct xdr_stream
*xdr
, struct nfs4_change_info
*cinfo
)
4080 p
= xdr_inline_decode(xdr
, 20);
4083 cinfo
->atomic
= be32_to_cpup(p
++);
4084 p
= xdr_decode_hyper(p
, &cinfo
->before
);
4085 xdr_decode_hyper(p
, &cinfo
->after
);
4088 print_overflow_msg(__func__
, xdr
);
4092 static int decode_access(struct xdr_stream
*xdr
, u32
*supported
, u32
*access
)
4098 status
= decode_op_hdr(xdr
, OP_ACCESS
);
4101 p
= xdr_inline_decode(xdr
, 8);
4104 supp
= be32_to_cpup(p
++);
4105 acc
= be32_to_cpup(p
);
4110 print_overflow_msg(__func__
, xdr
);
4114 static int decode_opaque_fixed(struct xdr_stream
*xdr
, void *buf
, size_t len
)
4118 p
= xdr_inline_decode(xdr
, len
);
4120 memcpy(buf
, p
, len
);
4123 print_overflow_msg(__func__
, xdr
);
4127 static int decode_stateid(struct xdr_stream
*xdr
, nfs4_stateid
*stateid
)
4129 return decode_opaque_fixed(xdr
, stateid
, NFS4_STATEID_SIZE
);
4132 static int decode_close(struct xdr_stream
*xdr
, struct nfs_closeres
*res
)
4136 status
= decode_op_hdr(xdr
, OP_CLOSE
);
4138 nfs_increment_open_seqid(status
, res
->seqid
);
4140 status
= decode_stateid(xdr
, &res
->stateid
);
4144 static int decode_verifier(struct xdr_stream
*xdr
, void *verifier
)
4146 return decode_opaque_fixed(xdr
, verifier
, NFS4_VERIFIER_SIZE
);
4149 static int decode_write_verifier(struct xdr_stream
*xdr
, struct nfs_write_verifier
*verifier
)
4151 return decode_opaque_fixed(xdr
, verifier
->data
, NFS4_VERIFIER_SIZE
);
4154 static int decode_commit(struct xdr_stream
*xdr
, struct nfs_commitres
*res
)
4158 status
= decode_op_hdr(xdr
, OP_COMMIT
);
4160 status
= decode_write_verifier(xdr
, &res
->verf
->verifier
);
4164 static int decode_create(struct xdr_stream
*xdr
, struct nfs4_change_info
*cinfo
)
4170 status
= decode_op_hdr(xdr
, OP_CREATE
);
4173 if ((status
= decode_change_info(xdr
, cinfo
)))
4175 p
= xdr_inline_decode(xdr
, 4);
4178 bmlen
= be32_to_cpup(p
);
4179 p
= xdr_inline_decode(xdr
, bmlen
<< 2);
4183 print_overflow_msg(__func__
, xdr
);
4187 static int decode_server_caps(struct xdr_stream
*xdr
, struct nfs4_server_caps_res
*res
)
4190 uint32_t attrlen
, bitmap
[3] = {0};
4193 if ((status
= decode_op_hdr(xdr
, OP_GETATTR
)) != 0)
4195 if ((status
= decode_attr_bitmap(xdr
, bitmap
)) != 0)
4197 if ((status
= decode_attr_length(xdr
, &attrlen
, &savep
)) != 0)
4199 if ((status
= decode_attr_supported(xdr
, bitmap
, res
->attr_bitmask
)) != 0)
4201 if ((status
= decode_attr_fh_expire_type(xdr
, bitmap
,
4202 &res
->fh_expire_type
)) != 0)
4204 if ((status
= decode_attr_link_support(xdr
, bitmap
, &res
->has_links
)) != 0)
4206 if ((status
= decode_attr_symlink_support(xdr
, bitmap
, &res
->has_symlinks
)) != 0)
4208 if ((status
= decode_attr_aclsupport(xdr
, bitmap
, &res
->acl_bitmask
)) != 0)
4210 status
= verify_attr_len(xdr
, savep
, attrlen
);
4212 dprintk("%s: xdr returned %d!\n", __func__
, -status
);
4216 static int decode_statfs(struct xdr_stream
*xdr
, struct nfs_fsstat
*fsstat
)
4219 uint32_t attrlen
, bitmap
[3] = {0};
4222 if ((status
= decode_op_hdr(xdr
, OP_GETATTR
)) != 0)
4224 if ((status
= decode_attr_bitmap(xdr
, bitmap
)) != 0)
4226 if ((status
= decode_attr_length(xdr
, &attrlen
, &savep
)) != 0)
4229 if ((status
= decode_attr_files_avail(xdr
, bitmap
, &fsstat
->afiles
)) != 0)
4231 if ((status
= decode_attr_files_free(xdr
, bitmap
, &fsstat
->ffiles
)) != 0)
4233 if ((status
= decode_attr_files_total(xdr
, bitmap
, &fsstat
->tfiles
)) != 0)
4235 if ((status
= decode_attr_space_avail(xdr
, bitmap
, &fsstat
->abytes
)) != 0)
4237 if ((status
= decode_attr_space_free(xdr
, bitmap
, &fsstat
->fbytes
)) != 0)
4239 if ((status
= decode_attr_space_total(xdr
, bitmap
, &fsstat
->tbytes
)) != 0)
4242 status
= verify_attr_len(xdr
, savep
, attrlen
);
4244 dprintk("%s: xdr returned %d!\n", __func__
, -status
);
4248 static int decode_pathconf(struct xdr_stream
*xdr
, struct nfs_pathconf
*pathconf
)
4251 uint32_t attrlen
, bitmap
[3] = {0};
4254 if ((status
= decode_op_hdr(xdr
, OP_GETATTR
)) != 0)
4256 if ((status
= decode_attr_bitmap(xdr
, bitmap
)) != 0)
4258 if ((status
= decode_attr_length(xdr
, &attrlen
, &savep
)) != 0)
4261 if ((status
= decode_attr_maxlink(xdr
, bitmap
, &pathconf
->max_link
)) != 0)
4263 if ((status
= decode_attr_maxname(xdr
, bitmap
, &pathconf
->max_namelen
)) != 0)
4266 status
= verify_attr_len(xdr
, savep
, attrlen
);
4268 dprintk("%s: xdr returned %d!\n", __func__
, -status
);
4272 static int decode_threshold_hint(struct xdr_stream
*xdr
,
4280 if (likely(bitmap
[0] & hint_bit
)) {
4281 p
= xdr_inline_decode(xdr
, 8);
4284 xdr_decode_hyper(p
, res
);
4288 print_overflow_msg(__func__
, xdr
);
4292 static int decode_first_threshold_item4(struct xdr_stream
*xdr
,
4293 struct nfs4_threshold
*res
)
4297 uint32_t bitmap
[3] = {0,}, attrlen
;
4301 p
= xdr_inline_decode(xdr
, 4);
4303 print_overflow_msg(__func__
, xdr
);
4306 res
->l_type
= be32_to_cpup(p
);
4308 /* thi_hintset bitmap */
4309 status
= decode_attr_bitmap(xdr
, bitmap
);
4313 /* thi_hintlist length */
4314 status
= decode_attr_length(xdr
, &attrlen
, &savep
);
4318 status
= decode_threshold_hint(xdr
, bitmap
, &res
->rd_sz
, THRESHOLD_RD
);
4321 status
= decode_threshold_hint(xdr
, bitmap
, &res
->wr_sz
, THRESHOLD_WR
);
4324 status
= decode_threshold_hint(xdr
, bitmap
, &res
->rd_io_sz
,
4328 status
= decode_threshold_hint(xdr
, bitmap
, &res
->wr_io_sz
,
4333 status
= verify_attr_len(xdr
, savep
, attrlen
);
4334 res
->bm
= bitmap
[0];
4336 dprintk("%s bm=0x%x rd_sz=%llu wr_sz=%llu rd_io=%llu wr_io=%llu\n",
4337 __func__
, res
->bm
, res
->rd_sz
, res
->wr_sz
, res
->rd_io_sz
,
4340 dprintk("%s ret=%d!\n", __func__
, status
);
4345 * Thresholds on pNFS direct I/O vrs MDS I/O
4347 static int decode_attr_mdsthreshold(struct xdr_stream
*xdr
,
4349 struct nfs4_threshold
*res
)
4355 if (unlikely(bitmap
[2] & (FATTR4_WORD2_MDSTHRESHOLD
- 1U)))
4357 if (bitmap
[2] & FATTR4_WORD2_MDSTHRESHOLD
) {
4358 /* Did the server return an unrequested attribute? */
4359 if (unlikely(res
== NULL
))
4361 p
= xdr_inline_decode(xdr
, 4);
4364 num
= be32_to_cpup(p
);
4368 printk(KERN_INFO
"%s: Warning: Multiple pNFS layout "
4369 "drivers per filesystem not supported\n",
4372 status
= decode_first_threshold_item4(xdr
, res
);
4373 bitmap
[2] &= ~FATTR4_WORD2_MDSTHRESHOLD
;
4377 print_overflow_msg(__func__
, xdr
);
4381 static int decode_getfattr_attrs(struct xdr_stream
*xdr
, uint32_t *bitmap
,
4382 struct nfs_fattr
*fattr
, struct nfs_fh
*fh
,
4383 struct nfs4_fs_locations
*fs_loc
,
4384 const struct nfs_server
*server
)
4391 status
= decode_attr_type(xdr
, bitmap
, &type
);
4396 fattr
->mode
|= nfs_type2fmt
[type
];
4397 fattr
->valid
|= status
;
4400 status
= decode_attr_change(xdr
, bitmap
, &fattr
->change_attr
);
4403 fattr
->valid
|= status
;
4405 status
= decode_attr_size(xdr
, bitmap
, &fattr
->size
);
4408 fattr
->valid
|= status
;
4410 status
= decode_attr_fsid(xdr
, bitmap
, &fattr
->fsid
);
4413 fattr
->valid
|= status
;
4416 status
= decode_attr_error(xdr
, bitmap
, &err
);
4420 status
= decode_attr_filehandle(xdr
, bitmap
, fh
);
4424 status
= decode_attr_fileid(xdr
, bitmap
, &fattr
->fileid
);
4427 fattr
->valid
|= status
;
4429 status
= decode_attr_fs_locations(xdr
, bitmap
, fs_loc
);
4432 fattr
->valid
|= status
;
4434 status
= decode_attr_mode(xdr
, bitmap
, &fmode
);
4438 fattr
->mode
|= fmode
;
4439 fattr
->valid
|= status
;
4442 status
= decode_attr_nlink(xdr
, bitmap
, &fattr
->nlink
);
4445 fattr
->valid
|= status
;
4447 status
= decode_attr_owner(xdr
, bitmap
, server
, &fattr
->uid
, fattr
->owner_name
);
4450 fattr
->valid
|= status
;
4452 status
= decode_attr_group(xdr
, bitmap
, server
, &fattr
->gid
, fattr
->group_name
);
4455 fattr
->valid
|= status
;
4457 status
= decode_attr_rdev(xdr
, bitmap
, &fattr
->rdev
);
4460 fattr
->valid
|= status
;
4462 status
= decode_attr_space_used(xdr
, bitmap
, &fattr
->du
.nfs3
.used
);
4465 fattr
->valid
|= status
;
4467 status
= decode_attr_time_access(xdr
, bitmap
, &fattr
->atime
);
4470 fattr
->valid
|= status
;
4472 status
= decode_attr_time_metadata(xdr
, bitmap
, &fattr
->ctime
);
4475 fattr
->valid
|= status
;
4477 status
= decode_attr_time_modify(xdr
, bitmap
, &fattr
->mtime
);
4480 fattr
->valid
|= status
;
4482 status
= decode_attr_mounted_on_fileid(xdr
, bitmap
, &fattr
->mounted_on_fileid
);
4485 fattr
->valid
|= status
;
4487 status
= decode_attr_mdsthreshold(xdr
, bitmap
, fattr
->mdsthreshold
);
4492 dprintk("%s: xdr returned %d\n", __func__
, -status
);
4496 static int decode_getfattr_generic(struct xdr_stream
*xdr
, struct nfs_fattr
*fattr
,
4497 struct nfs_fh
*fh
, struct nfs4_fs_locations
*fs_loc
,
4498 const struct nfs_server
*server
)
4505 status
= decode_op_hdr(xdr
, OP_GETATTR
);
4509 status
= decode_attr_bitmap(xdr
, bitmap
);
4513 status
= decode_attr_length(xdr
, &attrlen
, &savep
);
4517 status
= decode_getfattr_attrs(xdr
, bitmap
, fattr
, fh
, fs_loc
, server
);
4521 status
= verify_attr_len(xdr
, savep
, attrlen
);
4523 dprintk("%s: xdr returned %d\n", __func__
, -status
);
4527 static int decode_getfattr(struct xdr_stream
*xdr
, struct nfs_fattr
*fattr
,
4528 const struct nfs_server
*server
)
4530 return decode_getfattr_generic(xdr
, fattr
, NULL
, NULL
, server
);
4534 * Decode potentially multiple layout types. Currently we only support
4535 * one layout driver per file system.
4537 static int decode_first_pnfs_layout_type(struct xdr_stream
*xdr
,
4538 uint32_t *layouttype
)
4543 p
= xdr_inline_decode(xdr
, 4);
4546 num
= be32_to_cpup(p
);
4548 /* pNFS is not supported by the underlying file system */
4554 printk(KERN_INFO
"NFS: %s: Warning: Multiple pNFS layout "
4555 "drivers per filesystem not supported\n", __func__
);
4557 /* Decode and set first layout type, move xdr->p past unused types */
4558 p
= xdr_inline_decode(xdr
, num
* 4);
4561 *layouttype
= be32_to_cpup(p
);
4564 print_overflow_msg(__func__
, xdr
);
4569 * The type of file system exported.
4570 * Note we must ensure that layouttype is set in any non-error case.
4572 static int decode_attr_pnfstype(struct xdr_stream
*xdr
, uint32_t *bitmap
,
4573 uint32_t *layouttype
)
4577 dprintk("%s: bitmap is %x\n", __func__
, bitmap
[1]);
4578 if (unlikely(bitmap
[1] & (FATTR4_WORD1_FS_LAYOUT_TYPES
- 1U)))
4580 if (bitmap
[1] & FATTR4_WORD1_FS_LAYOUT_TYPES
) {
4581 status
= decode_first_pnfs_layout_type(xdr
, layouttype
);
4582 bitmap
[1] &= ~FATTR4_WORD1_FS_LAYOUT_TYPES
;
4589 * The prefered block size for layout directed io
4591 static int decode_attr_layout_blksize(struct xdr_stream
*xdr
, uint32_t *bitmap
,
4596 dprintk("%s: bitmap is %x\n", __func__
, bitmap
[2]);
4598 if (bitmap
[2] & FATTR4_WORD2_LAYOUT_BLKSIZE
) {
4599 p
= xdr_inline_decode(xdr
, 4);
4601 print_overflow_msg(__func__
, xdr
);
4604 *res
= be32_to_cpup(p
);
4605 bitmap
[2] &= ~FATTR4_WORD2_LAYOUT_BLKSIZE
;
4610 static int decode_fsinfo(struct xdr_stream
*xdr
, struct nfs_fsinfo
*fsinfo
)
4613 uint32_t attrlen
, bitmap
[3];
4616 if ((status
= decode_op_hdr(xdr
, OP_GETATTR
)) != 0)
4618 if ((status
= decode_attr_bitmap(xdr
, bitmap
)) != 0)
4620 if ((status
= decode_attr_length(xdr
, &attrlen
, &savep
)) != 0)
4623 fsinfo
->rtmult
= fsinfo
->wtmult
= 512; /* ??? */
4625 if ((status
= decode_attr_lease_time(xdr
, bitmap
, &fsinfo
->lease_time
)) != 0)
4627 if ((status
= decode_attr_maxfilesize(xdr
, bitmap
, &fsinfo
->maxfilesize
)) != 0)
4629 if ((status
= decode_attr_maxread(xdr
, bitmap
, &fsinfo
->rtmax
)) != 0)
4631 fsinfo
->rtpref
= fsinfo
->dtpref
= fsinfo
->rtmax
;
4632 if ((status
= decode_attr_maxwrite(xdr
, bitmap
, &fsinfo
->wtmax
)) != 0)
4634 fsinfo
->wtpref
= fsinfo
->wtmax
;
4635 status
= decode_attr_time_delta(xdr
, bitmap
, &fsinfo
->time_delta
);
4638 status
= decode_attr_pnfstype(xdr
, bitmap
, &fsinfo
->layouttype
);
4641 status
= decode_attr_layout_blksize(xdr
, bitmap
, &fsinfo
->blksize
);
4645 status
= verify_attr_len(xdr
, savep
, attrlen
);
4647 dprintk("%s: xdr returned %d!\n", __func__
, -status
);
4651 static int decode_getfh(struct xdr_stream
*xdr
, struct nfs_fh
*fh
)
4657 /* Zero handle first to allow comparisons */
4658 memset(fh
, 0, sizeof(*fh
));
4660 status
= decode_op_hdr(xdr
, OP_GETFH
);
4664 p
= xdr_inline_decode(xdr
, 4);
4667 len
= be32_to_cpup(p
);
4668 if (len
> NFS4_FHSIZE
)
4671 p
= xdr_inline_decode(xdr
, len
);
4674 memcpy(fh
->data
, p
, len
);
4677 print_overflow_msg(__func__
, xdr
);
4681 static int decode_link(struct xdr_stream
*xdr
, struct nfs4_change_info
*cinfo
)
4685 status
= decode_op_hdr(xdr
, OP_LINK
);
4688 return decode_change_info(xdr
, cinfo
);
4692 * We create the owner, so we know a proper owner.id length is 4.
4694 static int decode_lock_denied (struct xdr_stream
*xdr
, struct file_lock
*fl
)
4696 uint64_t offset
, length
, clientid
;
4698 uint32_t namelen
, type
;
4700 p
= xdr_inline_decode(xdr
, 32); /* read 32 bytes */
4703 p
= xdr_decode_hyper(p
, &offset
); /* read 2 8-byte long words */
4704 p
= xdr_decode_hyper(p
, &length
);
4705 type
= be32_to_cpup(p
++); /* 4 byte read */
4706 if (fl
!= NULL
) { /* manipulate file lock */
4707 fl
->fl_start
= (loff_t
)offset
;
4708 fl
->fl_end
= fl
->fl_start
+ (loff_t
)length
- 1;
4709 if (length
== ~(uint64_t)0)
4710 fl
->fl_end
= OFFSET_MAX
;
4711 fl
->fl_type
= F_WRLCK
;
4713 fl
->fl_type
= F_RDLCK
;
4716 p
= xdr_decode_hyper(p
, &clientid
); /* read 8 bytes */
4717 namelen
= be32_to_cpup(p
); /* read 4 bytes */ /* have read all 32 bytes now */
4718 p
= xdr_inline_decode(xdr
, namelen
); /* variable size field */
4720 return -NFS4ERR_DENIED
;
4722 print_overflow_msg(__func__
, xdr
);
4726 static int decode_lock(struct xdr_stream
*xdr
, struct nfs_lock_res
*res
)
4730 status
= decode_op_hdr(xdr
, OP_LOCK
);
4734 status
= decode_stateid(xdr
, &res
->stateid
);
4735 if (unlikely(status
))
4737 } else if (status
== -NFS4ERR_DENIED
)
4738 status
= decode_lock_denied(xdr
, NULL
);
4739 if (res
->open_seqid
!= NULL
)
4740 nfs_increment_open_seqid(status
, res
->open_seqid
);
4741 nfs_increment_lock_seqid(status
, res
->lock_seqid
);
4746 static int decode_lockt(struct xdr_stream
*xdr
, struct nfs_lockt_res
*res
)
4749 status
= decode_op_hdr(xdr
, OP_LOCKT
);
4750 if (status
== -NFS4ERR_DENIED
)
4751 return decode_lock_denied(xdr
, res
->denied
);
4755 static int decode_locku(struct xdr_stream
*xdr
, struct nfs_locku_res
*res
)
4759 status
= decode_op_hdr(xdr
, OP_LOCKU
);
4761 nfs_increment_lock_seqid(status
, res
->seqid
);
4763 status
= decode_stateid(xdr
, &res
->stateid
);
4767 static int decode_release_lockowner(struct xdr_stream
*xdr
)
4769 return decode_op_hdr(xdr
, OP_RELEASE_LOCKOWNER
);
4772 static int decode_lookup(struct xdr_stream
*xdr
)
4774 return decode_op_hdr(xdr
, OP_LOOKUP
);
4777 /* This is too sick! */
4778 static int decode_space_limit(struct xdr_stream
*xdr
, u64
*maxsize
)
4781 uint32_t limit_type
, nblocks
, blocksize
;
4783 p
= xdr_inline_decode(xdr
, 12);
4786 limit_type
= be32_to_cpup(p
++);
4787 switch (limit_type
) {
4789 xdr_decode_hyper(p
, maxsize
);
4792 nblocks
= be32_to_cpup(p
++);
4793 blocksize
= be32_to_cpup(p
);
4794 *maxsize
= (uint64_t)nblocks
* (uint64_t)blocksize
;
4798 print_overflow_msg(__func__
, xdr
);
4802 static int decode_delegation(struct xdr_stream
*xdr
, struct nfs_openres
*res
)
4805 uint32_t delegation_type
;
4808 p
= xdr_inline_decode(xdr
, 4);
4811 delegation_type
= be32_to_cpup(p
);
4812 if (delegation_type
== NFS4_OPEN_DELEGATE_NONE
) {
4813 res
->delegation_type
= 0;
4816 status
= decode_stateid(xdr
, &res
->delegation
);
4817 if (unlikely(status
))
4819 p
= xdr_inline_decode(xdr
, 4);
4822 res
->do_recall
= be32_to_cpup(p
);
4824 switch (delegation_type
) {
4825 case NFS4_OPEN_DELEGATE_READ
:
4826 res
->delegation_type
= FMODE_READ
;
4828 case NFS4_OPEN_DELEGATE_WRITE
:
4829 res
->delegation_type
= FMODE_WRITE
|FMODE_READ
;
4830 if (decode_space_limit(xdr
, &res
->maxsize
) < 0)
4833 return decode_ace(xdr
, NULL
, res
->server
->nfs_client
);
4835 print_overflow_msg(__func__
, xdr
);
4839 static int decode_open(struct xdr_stream
*xdr
, struct nfs_openres
*res
)
4842 uint32_t savewords
, bmlen
, i
;
4845 status
= decode_op_hdr(xdr
, OP_OPEN
);
4847 nfs_increment_open_seqid(status
, res
->seqid
);
4849 status
= decode_stateid(xdr
, &res
->stateid
);
4850 if (unlikely(status
))
4853 decode_change_info(xdr
, &res
->cinfo
);
4855 p
= xdr_inline_decode(xdr
, 8);
4858 res
->rflags
= be32_to_cpup(p
++);
4859 bmlen
= be32_to_cpup(p
);
4863 p
= xdr_inline_decode(xdr
, bmlen
<< 2);
4866 savewords
= min_t(uint32_t, bmlen
, NFS4_BITMAP_SIZE
);
4867 for (i
= 0; i
< savewords
; ++i
)
4868 res
->attrset
[i
] = be32_to_cpup(p
++);
4869 for (; i
< NFS4_BITMAP_SIZE
; i
++)
4870 res
->attrset
[i
] = 0;
4872 return decode_delegation(xdr
, res
);
4874 dprintk("%s: Bitmap too large! Length = %u\n", __func__
, bmlen
);
4877 print_overflow_msg(__func__
, xdr
);
4881 static int decode_open_confirm(struct xdr_stream
*xdr
, struct nfs_open_confirmres
*res
)
4885 status
= decode_op_hdr(xdr
, OP_OPEN_CONFIRM
);
4887 nfs_increment_open_seqid(status
, res
->seqid
);
4889 status
= decode_stateid(xdr
, &res
->stateid
);
4893 static int decode_open_downgrade(struct xdr_stream
*xdr
, struct nfs_closeres
*res
)
4897 status
= decode_op_hdr(xdr
, OP_OPEN_DOWNGRADE
);
4899 nfs_increment_open_seqid(status
, res
->seqid
);
4901 status
= decode_stateid(xdr
, &res
->stateid
);
4905 static int decode_putfh(struct xdr_stream
*xdr
)
4907 return decode_op_hdr(xdr
, OP_PUTFH
);
4910 static int decode_putrootfh(struct xdr_stream
*xdr
)
4912 return decode_op_hdr(xdr
, OP_PUTROOTFH
);
4915 static int decode_read(struct xdr_stream
*xdr
, struct rpc_rqst
*req
, struct nfs_readres
*res
)
4918 uint32_t count
, eof
, recvd
;
4921 status
= decode_op_hdr(xdr
, OP_READ
);
4924 p
= xdr_inline_decode(xdr
, 8);
4927 eof
= be32_to_cpup(p
++);
4928 count
= be32_to_cpup(p
);
4929 recvd
= xdr_read_pages(xdr
, count
);
4930 if (count
> recvd
) {
4931 dprintk("NFS: server cheating in read reply: "
4932 "count %u > recvd %u\n", count
, recvd
);
4940 print_overflow_msg(__func__
, xdr
);
4944 static int decode_readdir(struct xdr_stream
*xdr
, struct rpc_rqst
*req
, struct nfs4_readdir_res
*readdir
)
4949 status
= decode_op_hdr(xdr
, OP_READDIR
);
4951 status
= decode_verifier(xdr
, readdir
->verifier
.data
);
4952 if (unlikely(status
))
4954 memcpy(verf
, readdir
->verifier
.data
, sizeof(verf
));
4955 dprintk("%s: verifier = %08x:%08x\n",
4956 __func__
, verf
[0], verf
[1]);
4957 return xdr_read_pages(xdr
, xdr
->buf
->page_len
);
4960 static int decode_readlink(struct xdr_stream
*xdr
, struct rpc_rqst
*req
)
4962 struct xdr_buf
*rcvbuf
= &req
->rq_rcv_buf
;
4967 status
= decode_op_hdr(xdr
, OP_READLINK
);
4971 /* Convert length of symlink */
4972 p
= xdr_inline_decode(xdr
, 4);
4975 len
= be32_to_cpup(p
);
4976 if (len
>= rcvbuf
->page_len
|| len
<= 0) {
4977 dprintk("nfs: server returned giant symlink!\n");
4978 return -ENAMETOOLONG
;
4980 recvd
= xdr_read_pages(xdr
, len
);
4982 dprintk("NFS: server cheating in readlink reply: "
4983 "count %u > recvd %u\n", len
, recvd
);
4987 * The XDR encode routine has set things up so that
4988 * the link text will be copied directly into the
4989 * buffer. We just have to do overflow-checking,
4990 * and and null-terminate the text (the VFS expects
4991 * null-termination).
4993 xdr_terminate_string(rcvbuf
, len
);
4996 print_overflow_msg(__func__
, xdr
);
5000 static int decode_remove(struct xdr_stream
*xdr
, struct nfs4_change_info
*cinfo
)
5004 status
= decode_op_hdr(xdr
, OP_REMOVE
);
5007 status
= decode_change_info(xdr
, cinfo
);
5012 static int decode_rename(struct xdr_stream
*xdr
, struct nfs4_change_info
*old_cinfo
,
5013 struct nfs4_change_info
*new_cinfo
)
5017 status
= decode_op_hdr(xdr
, OP_RENAME
);
5020 if ((status
= decode_change_info(xdr
, old_cinfo
)))
5022 status
= decode_change_info(xdr
, new_cinfo
);
5027 static int decode_renew(struct xdr_stream
*xdr
)
5029 return decode_op_hdr(xdr
, OP_RENEW
);
5033 decode_restorefh(struct xdr_stream
*xdr
)
5035 return decode_op_hdr(xdr
, OP_RESTOREFH
);
5038 static int decode_getacl(struct xdr_stream
*xdr
, struct rpc_rqst
*req
,
5039 struct nfs_getaclres
*res
)
5045 unsigned int pg_offset
;
5048 if ((status
= decode_op_hdr(xdr
, OP_GETATTR
)) != 0)
5051 xdr_enter_page(xdr
, xdr
->buf
->page_len
);
5053 /* Calculate the offset of the page data */
5054 pg_offset
= xdr
->buf
->head
[0].iov_len
;
5056 if ((status
= decode_attr_bitmap(xdr
, bitmap
)) != 0)
5058 if ((status
= decode_attr_length(xdr
, &attrlen
, &savep
)) != 0)
5061 if (unlikely(bitmap
[0] & (FATTR4_WORD0_ACL
- 1U)))
5063 if (likely(bitmap
[0] & FATTR4_WORD0_ACL
)) {
5065 /* The bitmap (xdr len + bitmaps) and the attr xdr len words
5066 * are stored with the acl data to handle the problem of
5067 * variable length bitmaps.*/
5068 res
->acl_data_offset
= xdr_stream_pos(xdr
) - pg_offset
;
5069 res
->acl_len
= attrlen
;
5071 /* Check for receive buffer overflow */
5072 if (res
->acl_len
> (xdr
->nwords
<< 2) ||
5073 res
->acl_len
+ res
->acl_data_offset
> xdr
->buf
->page_len
) {
5074 res
->acl_flags
|= NFS4_ACL_TRUNC
;
5075 dprintk("NFS: acl reply: attrlen %u > page_len %u\n",
5076 attrlen
, xdr
->nwords
<< 2);
5079 status
= -EOPNOTSUPP
;
5086 decode_savefh(struct xdr_stream
*xdr
)
5088 return decode_op_hdr(xdr
, OP_SAVEFH
);
5091 static int decode_setattr(struct xdr_stream
*xdr
)
5097 status
= decode_op_hdr(xdr
, OP_SETATTR
);
5100 p
= xdr_inline_decode(xdr
, 4);
5103 bmlen
= be32_to_cpup(p
);
5104 p
= xdr_inline_decode(xdr
, bmlen
<< 2);
5108 print_overflow_msg(__func__
, xdr
);
5112 static int decode_setclientid(struct xdr_stream
*xdr
, struct nfs4_setclientid_res
*res
)
5118 p
= xdr_inline_decode(xdr
, 8);
5121 opnum
= be32_to_cpup(p
++);
5122 if (opnum
!= OP_SETCLIENTID
) {
5123 dprintk("nfs: decode_setclientid: Server returned operation"
5127 nfserr
= be32_to_cpup(p
);
5128 if (nfserr
== NFS_OK
) {
5129 p
= xdr_inline_decode(xdr
, 8 + NFS4_VERIFIER_SIZE
);
5132 p
= xdr_decode_hyper(p
, &res
->clientid
);
5133 memcpy(res
->confirm
.data
, p
, NFS4_VERIFIER_SIZE
);
5134 } else if (nfserr
== NFSERR_CLID_INUSE
) {
5137 /* skip netid string */
5138 p
= xdr_inline_decode(xdr
, 4);
5141 len
= be32_to_cpup(p
);
5142 p
= xdr_inline_decode(xdr
, len
);
5146 /* skip uaddr string */
5147 p
= xdr_inline_decode(xdr
, 4);
5150 len
= be32_to_cpup(p
);
5151 p
= xdr_inline_decode(xdr
, len
);
5154 return -NFSERR_CLID_INUSE
;
5156 return nfs4_stat_to_errno(nfserr
);
5160 print_overflow_msg(__func__
, xdr
);
5164 static int decode_setclientid_confirm(struct xdr_stream
*xdr
)
5166 return decode_op_hdr(xdr
, OP_SETCLIENTID_CONFIRM
);
5169 static int decode_write(struct xdr_stream
*xdr
, struct nfs_writeres
*res
)
5174 status
= decode_op_hdr(xdr
, OP_WRITE
);
5178 p
= xdr_inline_decode(xdr
, 8);
5181 res
->count
= be32_to_cpup(p
++);
5182 res
->verf
->committed
= be32_to_cpup(p
++);
5183 return decode_write_verifier(xdr
, &res
->verf
->verifier
);
5185 print_overflow_msg(__func__
, xdr
);
5189 static int decode_delegreturn(struct xdr_stream
*xdr
)
5191 return decode_op_hdr(xdr
, OP_DELEGRETURN
);
5194 static int decode_secinfo_gss(struct xdr_stream
*xdr
,
5195 struct nfs4_secinfo4
*flavor
)
5200 p
= xdr_inline_decode(xdr
, 4);
5203 oid_len
= be32_to_cpup(p
);
5204 if (oid_len
> GSS_OID_MAX_LEN
)
5207 p
= xdr_inline_decode(xdr
, oid_len
);
5210 memcpy(flavor
->flavor_info
.oid
.data
, p
, oid_len
);
5211 flavor
->flavor_info
.oid
.len
= oid_len
;
5213 p
= xdr_inline_decode(xdr
, 8);
5216 flavor
->flavor_info
.qop
= be32_to_cpup(p
++);
5217 flavor
->flavor_info
.service
= be32_to_cpup(p
);
5222 print_overflow_msg(__func__
, xdr
);
5228 static int decode_secinfo_common(struct xdr_stream
*xdr
, struct nfs4_secinfo_res
*res
)
5230 struct nfs4_secinfo4
*sec_flavor
;
5231 unsigned int i
, num_flavors
;
5235 p
= xdr_inline_decode(xdr
, 4);
5239 res
->flavors
->num_flavors
= 0;
5240 num_flavors
= be32_to_cpup(p
);
5242 for (i
= 0; i
< num_flavors
; i
++) {
5243 sec_flavor
= &res
->flavors
->flavors
[i
];
5244 if ((char *)&sec_flavor
[1] - (char *)res
->flavors
> PAGE_SIZE
)
5247 p
= xdr_inline_decode(xdr
, 4);
5250 sec_flavor
->flavor
= be32_to_cpup(p
);
5252 if (sec_flavor
->flavor
== RPC_AUTH_GSS
) {
5253 status
= decode_secinfo_gss(xdr
, sec_flavor
);
5257 res
->flavors
->num_flavors
++;
5264 print_overflow_msg(__func__
, xdr
);
5268 static int decode_secinfo(struct xdr_stream
*xdr
, struct nfs4_secinfo_res
*res
)
5270 int status
= decode_op_hdr(xdr
, OP_SECINFO
);
5273 return decode_secinfo_common(xdr
, res
);
5276 #if defined(CONFIG_NFS_V4_1)
5277 static int decode_secinfo_no_name(struct xdr_stream
*xdr
, struct nfs4_secinfo_res
*res
)
5279 int status
= decode_op_hdr(xdr
, OP_SECINFO_NO_NAME
);
5282 return decode_secinfo_common(xdr
, res
);
5285 static int decode_exchange_id(struct xdr_stream
*xdr
,
5286 struct nfs41_exchange_id_res
*res
)
5292 uint32_t impl_id_count
;
5294 status
= decode_op_hdr(xdr
, OP_EXCHANGE_ID
);
5298 p
= xdr_inline_decode(xdr
, 8);
5301 xdr_decode_hyper(p
, &res
->clientid
);
5302 p
= xdr_inline_decode(xdr
, 12);
5305 res
->seqid
= be32_to_cpup(p
++);
5306 res
->flags
= be32_to_cpup(p
++);
5308 /* We ask for SP4_NONE */
5309 dummy
= be32_to_cpup(p
);
5310 if (dummy
!= SP4_NONE
)
5313 /* server_owner4.so_minor_id */
5314 p
= xdr_inline_decode(xdr
, 8);
5317 p
= xdr_decode_hyper(p
, &res
->server_owner
->minor_id
);
5319 /* server_owner4.so_major_id */
5320 status
= decode_opaque_inline(xdr
, &dummy
, &dummy_str
);
5321 if (unlikely(status
))
5323 if (unlikely(dummy
> NFS4_OPAQUE_LIMIT
))
5325 memcpy(res
->server_owner
->major_id
, dummy_str
, dummy
);
5326 res
->server_owner
->major_id_sz
= dummy
;
5329 status
= decode_opaque_inline(xdr
, &dummy
, &dummy_str
);
5330 if (unlikely(status
))
5332 if (unlikely(dummy
> NFS4_OPAQUE_LIMIT
))
5334 memcpy(res
->server_scope
->server_scope
, dummy_str
, dummy
);
5335 res
->server_scope
->server_scope_sz
= dummy
;
5337 /* Implementation Id */
5338 p
= xdr_inline_decode(xdr
, 4);
5341 impl_id_count
= be32_to_cpup(p
++);
5343 if (impl_id_count
) {
5345 status
= decode_opaque_inline(xdr
, &dummy
, &dummy_str
);
5346 if (unlikely(status
))
5348 if (unlikely(dummy
> NFS4_OPAQUE_LIMIT
))
5350 memcpy(res
->impl_id
->domain
, dummy_str
, dummy
);
5353 status
= decode_opaque_inline(xdr
, &dummy
, &dummy_str
);
5354 if (unlikely(status
))
5356 if (unlikely(dummy
> NFS4_OPAQUE_LIMIT
))
5358 memcpy(res
->impl_id
->name
, dummy_str
, dummy
);
5361 p
= xdr_inline_decode(xdr
, 12);
5364 p
= xdr_decode_hyper(p
, &res
->impl_id
->date
.seconds
);
5365 res
->impl_id
->date
.nseconds
= be32_to_cpup(p
);
5367 /* if there's more than one entry, ignore the rest */
5371 print_overflow_msg(__func__
, xdr
);
5375 static int decode_chan_attrs(struct xdr_stream
*xdr
,
5376 struct nfs4_channel_attrs
*attrs
)
5381 p
= xdr_inline_decode(xdr
, 28);
5384 val
= be32_to_cpup(p
++); /* headerpadsz */
5386 return -EINVAL
; /* no support for header padding yet */
5387 attrs
->max_rqst_sz
= be32_to_cpup(p
++);
5388 attrs
->max_resp_sz
= be32_to_cpup(p
++);
5389 attrs
->max_resp_sz_cached
= be32_to_cpup(p
++);
5390 attrs
->max_ops
= be32_to_cpup(p
++);
5391 attrs
->max_reqs
= be32_to_cpup(p
++);
5392 nr_attrs
= be32_to_cpup(p
);
5393 if (unlikely(nr_attrs
> 1)) {
5394 printk(KERN_WARNING
"NFS: %s: Invalid rdma channel attrs "
5395 "count %u\n", __func__
, nr_attrs
);
5398 if (nr_attrs
== 1) {
5399 p
= xdr_inline_decode(xdr
, 4); /* skip rdma_attrs */
5405 print_overflow_msg(__func__
, xdr
);
5409 static int decode_sessionid(struct xdr_stream
*xdr
, struct nfs4_sessionid
*sid
)
5411 return decode_opaque_fixed(xdr
, sid
->data
, NFS4_MAX_SESSIONID_LEN
);
5414 static int decode_bind_conn_to_session(struct xdr_stream
*xdr
,
5415 struct nfs41_bind_conn_to_session_res
*res
)
5420 status
= decode_op_hdr(xdr
, OP_BIND_CONN_TO_SESSION
);
5422 status
= decode_sessionid(xdr
, &res
->session
->sess_id
);
5423 if (unlikely(status
))
5426 /* dir flags, rdma mode bool */
5427 p
= xdr_inline_decode(xdr
, 8);
5431 res
->dir
= be32_to_cpup(p
++);
5432 if (res
->dir
== 0 || res
->dir
> NFS4_CDFS4_BOTH
)
5434 if (be32_to_cpup(p
) == 0)
5435 res
->use_conn_in_rdma_mode
= false;
5437 res
->use_conn_in_rdma_mode
= true;
5441 print_overflow_msg(__func__
, xdr
);
5445 static int decode_create_session(struct xdr_stream
*xdr
,
5446 struct nfs41_create_session_res
*res
)
5450 struct nfs_client
*clp
= res
->client
;
5451 struct nfs4_session
*session
= clp
->cl_session
;
5453 status
= decode_op_hdr(xdr
, OP_CREATE_SESSION
);
5455 status
= decode_sessionid(xdr
, &session
->sess_id
);
5456 if (unlikely(status
))
5460 p
= xdr_inline_decode(xdr
, 8);
5463 clp
->cl_seqid
= be32_to_cpup(p
++);
5464 session
->flags
= be32_to_cpup(p
);
5466 /* Channel attributes */
5467 status
= decode_chan_attrs(xdr
, &session
->fc_attrs
);
5469 status
= decode_chan_attrs(xdr
, &session
->bc_attrs
);
5472 print_overflow_msg(__func__
, xdr
);
5476 static int decode_destroy_session(struct xdr_stream
*xdr
, void *dummy
)
5478 return decode_op_hdr(xdr
, OP_DESTROY_SESSION
);
5481 static int decode_destroy_clientid(struct xdr_stream
*xdr
, void *dummy
)
5483 return decode_op_hdr(xdr
, OP_DESTROY_CLIENTID
);
5486 static int decode_reclaim_complete(struct xdr_stream
*xdr
, void *dummy
)
5488 return decode_op_hdr(xdr
, OP_RECLAIM_COMPLETE
);
5490 #endif /* CONFIG_NFS_V4_1 */
5492 static int decode_sequence(struct xdr_stream
*xdr
,
5493 struct nfs4_sequence_res
*res
,
5494 struct rpc_rqst
*rqstp
)
5496 #if defined(CONFIG_NFS_V4_1)
5497 struct nfs4_session
*session
;
5498 struct nfs4_sessionid id
;
5503 if (res
->sr_slot
== NULL
)
5506 status
= decode_op_hdr(xdr
, OP_SEQUENCE
);
5508 status
= decode_sessionid(xdr
, &id
);
5509 if (unlikely(status
))
5513 * If the server returns different values for sessionID, slotID or
5514 * sequence number, the server is looney tunes.
5516 status
= -EREMOTEIO
;
5517 session
= res
->sr_slot
->table
->session
;
5519 if (memcmp(id
.data
, session
->sess_id
.data
,
5520 NFS4_MAX_SESSIONID_LEN
)) {
5521 dprintk("%s Invalid session id\n", __func__
);
5525 p
= xdr_inline_decode(xdr
, 20);
5530 dummy
= be32_to_cpup(p
++);
5531 if (dummy
!= res
->sr_slot
->seq_nr
) {
5532 dprintk("%s Invalid sequence number\n", __func__
);
5536 dummy
= be32_to_cpup(p
++);
5537 if (dummy
!= res
->sr_slot
->slot_nr
) {
5538 dprintk("%s Invalid slot id\n", __func__
);
5541 /* highest slot id */
5542 res
->sr_highest_slotid
= be32_to_cpup(p
++);
5543 /* target highest slot id */
5544 res
->sr_target_highest_slotid
= be32_to_cpup(p
++);
5546 res
->sr_status_flags
= be32_to_cpup(p
);
5549 res
->sr_status
= status
;
5552 print_overflow_msg(__func__
, xdr
);
5555 #else /* CONFIG_NFS_V4_1 */
5557 #endif /* CONFIG_NFS_V4_1 */
5560 #if defined(CONFIG_NFS_V4_1)
5562 * TODO: Need to handle case when EOF != true;
5564 static int decode_getdevicelist(struct xdr_stream
*xdr
,
5565 struct pnfs_devicelist
*res
)
5569 nfs4_verifier verftemp
;
5571 status
= decode_op_hdr(xdr
, OP_GETDEVICELIST
);
5575 p
= xdr_inline_decode(xdr
, 8 + 8 + 4);
5579 /* TODO: Skip cookie for now */
5583 p
= xdr_decode_opaque_fixed(p
, verftemp
.data
, NFS4_VERIFIER_SIZE
);
5585 res
->num_devs
= be32_to_cpup(p
);
5587 dprintk("%s: num_dev %d\n", __func__
, res
->num_devs
);
5589 if (res
->num_devs
> NFS4_PNFS_GETDEVLIST_MAXNUM
) {
5590 printk(KERN_ERR
"NFS: %s too many result dev_num %u\n",
5591 __func__
, res
->num_devs
);
5595 p
= xdr_inline_decode(xdr
,
5596 res
->num_devs
* NFS4_DEVICEID4_SIZE
+ 4);
5599 for (i
= 0; i
< res
->num_devs
; i
++)
5600 p
= xdr_decode_opaque_fixed(p
, res
->dev_id
[i
].data
,
5601 NFS4_DEVICEID4_SIZE
);
5602 res
->eof
= be32_to_cpup(p
);
5605 print_overflow_msg(__func__
, xdr
);
5609 static int decode_getdeviceinfo(struct xdr_stream
*xdr
,
5610 struct pnfs_device
*pdev
)
5616 status
= decode_op_hdr(xdr
, OP_GETDEVICEINFO
);
5618 if (status
== -ETOOSMALL
) {
5619 p
= xdr_inline_decode(xdr
, 4);
5622 pdev
->mincount
= be32_to_cpup(p
);
5623 dprintk("%s: Min count too small. mincnt = %u\n",
5624 __func__
, pdev
->mincount
);
5629 p
= xdr_inline_decode(xdr
, 8);
5632 type
= be32_to_cpup(p
++);
5633 if (type
!= pdev
->layout_type
) {
5634 dprintk("%s: layout mismatch req: %u pdev: %u\n",
5635 __func__
, pdev
->layout_type
, type
);
5639 * Get the length of the opaque device_addr4. xdr_read_pages places
5640 * the opaque device_addr4 in the xdr_buf->pages (pnfs_device->pages)
5641 * and places the remaining xdr data in xdr_buf->tail
5643 pdev
->mincount
= be32_to_cpup(p
);
5644 if (xdr_read_pages(xdr
, pdev
->mincount
) != pdev
->mincount
)
5647 /* Parse notification bitmap, verifying that it is zero. */
5648 p
= xdr_inline_decode(xdr
, 4);
5651 len
= be32_to_cpup(p
);
5655 p
= xdr_inline_decode(xdr
, 4 * len
);
5658 for (i
= 0; i
< len
; i
++, p
++) {
5659 if (be32_to_cpup(p
)) {
5660 dprintk("%s: notifications not supported\n",
5668 print_overflow_msg(__func__
, xdr
);
5672 static int decode_layoutget(struct xdr_stream
*xdr
, struct rpc_rqst
*req
,
5673 struct nfs4_layoutget_res
*res
)
5680 status
= decode_op_hdr(xdr
, OP_LAYOUTGET
);
5683 p
= xdr_inline_decode(xdr
, 4);
5686 res
->return_on_close
= be32_to_cpup(p
);
5687 decode_stateid(xdr
, &res
->stateid
);
5688 p
= xdr_inline_decode(xdr
, 4);
5691 layout_count
= be32_to_cpup(p
);
5692 if (!layout_count
) {
5693 dprintk("%s: server responded with empty layout array\n",
5698 p
= xdr_inline_decode(xdr
, 28);
5701 p
= xdr_decode_hyper(p
, &res
->range
.offset
);
5702 p
= xdr_decode_hyper(p
, &res
->range
.length
);
5703 res
->range
.iomode
= be32_to_cpup(p
++);
5704 res
->type
= be32_to_cpup(p
++);
5705 res
->layoutp
->len
= be32_to_cpup(p
);
5707 dprintk("%s roff:%lu rlen:%lu riomode:%d, lo_type:0x%x, lo.len:%d\n",
5709 (unsigned long)res
->range
.offset
,
5710 (unsigned long)res
->range
.length
,
5715 recvd
= xdr_read_pages(xdr
, res
->layoutp
->len
);
5716 if (res
->layoutp
->len
> recvd
) {
5717 dprintk("NFS: server cheating in layoutget reply: "
5718 "layout len %u > recvd %u\n",
5719 res
->layoutp
->len
, recvd
);
5723 if (layout_count
> 1) {
5724 /* We only handle a length one array at the moment. Any
5725 * further entries are just ignored. Note that this means
5726 * the client may see a response that is less than the
5727 * minimum it requested.
5729 dprintk("%s: server responded with %d layouts, dropping tail\n",
5730 __func__
, layout_count
);
5735 print_overflow_msg(__func__
, xdr
);
5739 static int decode_layoutreturn(struct xdr_stream
*xdr
,
5740 struct nfs4_layoutreturn_res
*res
)
5745 status
= decode_op_hdr(xdr
, OP_LAYOUTRETURN
);
5748 p
= xdr_inline_decode(xdr
, 4);
5751 res
->lrs_present
= be32_to_cpup(p
);
5752 if (res
->lrs_present
)
5753 status
= decode_stateid(xdr
, &res
->stateid
);
5756 print_overflow_msg(__func__
, xdr
);
5760 static int decode_layoutcommit(struct xdr_stream
*xdr
,
5761 struct rpc_rqst
*req
,
5762 struct nfs4_layoutcommit_res
*res
)
5768 status
= decode_op_hdr(xdr
, OP_LAYOUTCOMMIT
);
5769 res
->status
= status
;
5773 p
= xdr_inline_decode(xdr
, 4);
5776 sizechanged
= be32_to_cpup(p
);
5779 /* throw away new size */
5780 p
= xdr_inline_decode(xdr
, 8);
5786 print_overflow_msg(__func__
, xdr
);
5790 static int decode_test_stateid(struct xdr_stream
*xdr
,
5791 struct nfs41_test_stateid_res
*res
)
5797 status
= decode_op_hdr(xdr
, OP_TEST_STATEID
);
5801 p
= xdr_inline_decode(xdr
, 4);
5804 num_res
= be32_to_cpup(p
++);
5808 p
= xdr_inline_decode(xdr
, 4);
5811 res
->status
= be32_to_cpup(p
++);
5815 print_overflow_msg(__func__
, xdr
);
5820 static int decode_free_stateid(struct xdr_stream
*xdr
,
5821 struct nfs41_free_stateid_res
*res
)
5826 status
= decode_op_hdr(xdr
, OP_FREE_STATEID
);
5830 p
= xdr_inline_decode(xdr
, 4);
5833 res
->status
= be32_to_cpup(p
++);
5836 print_overflow_msg(__func__
, xdr
);
5839 #endif /* CONFIG_NFS_V4_1 */
5842 * END OF "GENERIC" DECODE ROUTINES.
5846 * Decode OPEN_DOWNGRADE response
5848 static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst
*rqstp
,
5849 struct xdr_stream
*xdr
,
5850 struct nfs_closeres
*res
)
5852 struct compound_hdr hdr
;
5855 status
= decode_compound_hdr(xdr
, &hdr
);
5858 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
5861 status
= decode_putfh(xdr
);
5864 status
= decode_open_downgrade(xdr
, res
);
5867 decode_getfattr(xdr
, res
->fattr
, res
->server
);
5873 * Decode ACCESS response
5875 static int nfs4_xdr_dec_access(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
5876 struct nfs4_accessres
*res
)
5878 struct compound_hdr hdr
;
5881 status
= decode_compound_hdr(xdr
, &hdr
);
5884 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
5887 status
= decode_putfh(xdr
);
5890 status
= decode_access(xdr
, &res
->supported
, &res
->access
);
5893 decode_getfattr(xdr
, res
->fattr
, res
->server
);
5899 * Decode LOOKUP response
5901 static int nfs4_xdr_dec_lookup(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
5902 struct nfs4_lookup_res
*res
)
5904 struct compound_hdr hdr
;
5907 status
= decode_compound_hdr(xdr
, &hdr
);
5910 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
5913 status
= decode_putfh(xdr
);
5916 status
= decode_lookup(xdr
);
5919 status
= decode_getfh(xdr
, res
->fh
);
5922 status
= decode_getfattr(xdr
, res
->fattr
, res
->server
);
5928 * Decode LOOKUP_ROOT response
5930 static int nfs4_xdr_dec_lookup_root(struct rpc_rqst
*rqstp
,
5931 struct xdr_stream
*xdr
,
5932 struct nfs4_lookup_res
*res
)
5934 struct compound_hdr hdr
;
5937 status
= decode_compound_hdr(xdr
, &hdr
);
5940 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
5943 status
= decode_putrootfh(xdr
);
5946 status
= decode_getfh(xdr
, res
->fh
);
5948 status
= decode_getfattr(xdr
, res
->fattr
, res
->server
);
5954 * Decode REMOVE response
5956 static int nfs4_xdr_dec_remove(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
5957 struct nfs_removeres
*res
)
5959 struct compound_hdr hdr
;
5962 status
= decode_compound_hdr(xdr
, &hdr
);
5965 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
5968 status
= decode_putfh(xdr
);
5971 status
= decode_remove(xdr
, &res
->cinfo
);
5977 * Decode RENAME response
5979 static int nfs4_xdr_dec_rename(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
5980 struct nfs_renameres
*res
)
5982 struct compound_hdr hdr
;
5985 status
= decode_compound_hdr(xdr
, &hdr
);
5988 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
5991 status
= decode_putfh(xdr
);
5994 status
= decode_savefh(xdr
);
5997 status
= decode_putfh(xdr
);
6000 status
= decode_rename(xdr
, &res
->old_cinfo
, &res
->new_cinfo
);
6006 * Decode LINK response
6008 static int nfs4_xdr_dec_link(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6009 struct nfs4_link_res
*res
)
6011 struct compound_hdr hdr
;
6014 status
= decode_compound_hdr(xdr
, &hdr
);
6017 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6020 status
= decode_putfh(xdr
);
6023 status
= decode_savefh(xdr
);
6026 status
= decode_putfh(xdr
);
6029 status
= decode_link(xdr
, &res
->cinfo
);
6033 * Note order: OP_LINK leaves the directory as the current
6036 status
= decode_restorefh(xdr
);
6039 decode_getfattr(xdr
, res
->fattr
, res
->server
);
6045 * Decode CREATE response
6047 static int nfs4_xdr_dec_create(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6048 struct nfs4_create_res
*res
)
6050 struct compound_hdr hdr
;
6053 status
= decode_compound_hdr(xdr
, &hdr
);
6056 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6059 status
= decode_putfh(xdr
);
6062 status
= decode_create(xdr
, &res
->dir_cinfo
);
6065 status
= decode_getfh(xdr
, res
->fh
);
6068 decode_getfattr(xdr
, res
->fattr
, res
->server
);
6074 * Decode SYMLINK response
6076 static int nfs4_xdr_dec_symlink(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6077 struct nfs4_create_res
*res
)
6079 return nfs4_xdr_dec_create(rqstp
, xdr
, res
);
6083 * Decode GETATTR response
6085 static int nfs4_xdr_dec_getattr(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6086 struct nfs4_getattr_res
*res
)
6088 struct compound_hdr hdr
;
6091 status
= decode_compound_hdr(xdr
, &hdr
);
6094 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6097 status
= decode_putfh(xdr
);
6100 status
= decode_getfattr(xdr
, res
->fattr
, res
->server
);
6106 * Encode an SETACL request
6108 static void nfs4_xdr_enc_setacl(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
6109 struct nfs_setaclargs
*args
)
6111 struct compound_hdr hdr
= {
6112 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
6115 encode_compound_hdr(xdr
, req
, &hdr
);
6116 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
6117 encode_putfh(xdr
, args
->fh
, &hdr
);
6118 encode_setacl(xdr
, args
, &hdr
);
6123 * Decode SETACL response
6126 nfs4_xdr_dec_setacl(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6127 struct nfs_setaclres
*res
)
6129 struct compound_hdr hdr
;
6132 status
= decode_compound_hdr(xdr
, &hdr
);
6135 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6138 status
= decode_putfh(xdr
);
6141 status
= decode_setattr(xdr
);
6147 * Decode GETACL response
6150 nfs4_xdr_dec_getacl(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6151 struct nfs_getaclres
*res
)
6153 struct compound_hdr hdr
;
6156 if (res
->acl_scratch
!= NULL
) {
6157 void *p
= page_address(res
->acl_scratch
);
6158 xdr_set_scratch_buffer(xdr
, p
, PAGE_SIZE
);
6160 status
= decode_compound_hdr(xdr
, &hdr
);
6163 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6166 status
= decode_putfh(xdr
);
6169 status
= decode_getacl(xdr
, rqstp
, res
);
6176 * Decode CLOSE response
6178 static int nfs4_xdr_dec_close(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6179 struct nfs_closeres
*res
)
6181 struct compound_hdr hdr
;
6184 status
= decode_compound_hdr(xdr
, &hdr
);
6187 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6190 status
= decode_putfh(xdr
);
6193 status
= decode_close(xdr
, res
);
6197 * Note: Server may do delete on close for this file
6198 * in which case the getattr call will fail with
6199 * an ESTALE error. Shouldn't be a problem,
6200 * though, since fattr->valid will remain unset.
6202 decode_getfattr(xdr
, res
->fattr
, res
->server
);
6208 * Decode OPEN response
6210 static int nfs4_xdr_dec_open(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6211 struct nfs_openres
*res
)
6213 struct compound_hdr hdr
;
6216 status
= decode_compound_hdr(xdr
, &hdr
);
6219 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6222 status
= decode_putfh(xdr
);
6225 status
= decode_open(xdr
, res
);
6228 status
= decode_getfh(xdr
, &res
->fh
);
6231 if (res
->access_request
)
6232 decode_access(xdr
, &res
->access_supported
, &res
->access_result
);
6233 decode_getfattr(xdr
, res
->f_attr
, res
->server
);
6239 * Decode OPEN_CONFIRM response
6241 static int nfs4_xdr_dec_open_confirm(struct rpc_rqst
*rqstp
,
6242 struct xdr_stream
*xdr
,
6243 struct nfs_open_confirmres
*res
)
6245 struct compound_hdr hdr
;
6248 status
= decode_compound_hdr(xdr
, &hdr
);
6251 status
= decode_putfh(xdr
);
6254 status
= decode_open_confirm(xdr
, res
);
6260 * Decode OPEN response
6262 static int nfs4_xdr_dec_open_noattr(struct rpc_rqst
*rqstp
,
6263 struct xdr_stream
*xdr
,
6264 struct nfs_openres
*res
)
6266 struct compound_hdr hdr
;
6269 status
= decode_compound_hdr(xdr
, &hdr
);
6272 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6275 status
= decode_putfh(xdr
);
6278 status
= decode_open(xdr
, res
);
6281 if (res
->access_request
)
6282 decode_access(xdr
, &res
->access_supported
, &res
->access_result
);
6283 decode_getfattr(xdr
, res
->f_attr
, res
->server
);
6289 * Decode SETATTR response
6291 static int nfs4_xdr_dec_setattr(struct rpc_rqst
*rqstp
,
6292 struct xdr_stream
*xdr
,
6293 struct nfs_setattrres
*res
)
6295 struct compound_hdr hdr
;
6298 status
= decode_compound_hdr(xdr
, &hdr
);
6301 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6304 status
= decode_putfh(xdr
);
6307 status
= decode_setattr(xdr
);
6310 decode_getfattr(xdr
, res
->fattr
, res
->server
);
6316 * Decode LOCK response
6318 static int nfs4_xdr_dec_lock(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6319 struct nfs_lock_res
*res
)
6321 struct compound_hdr hdr
;
6324 status
= decode_compound_hdr(xdr
, &hdr
);
6327 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6330 status
= decode_putfh(xdr
);
6333 status
= decode_lock(xdr
, res
);
6339 * Decode LOCKT response
6341 static int nfs4_xdr_dec_lockt(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6342 struct nfs_lockt_res
*res
)
6344 struct compound_hdr hdr
;
6347 status
= decode_compound_hdr(xdr
, &hdr
);
6350 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6353 status
= decode_putfh(xdr
);
6356 status
= decode_lockt(xdr
, res
);
6362 * Decode LOCKU response
6364 static int nfs4_xdr_dec_locku(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6365 struct nfs_locku_res
*res
)
6367 struct compound_hdr hdr
;
6370 status
= decode_compound_hdr(xdr
, &hdr
);
6373 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6376 status
= decode_putfh(xdr
);
6379 status
= decode_locku(xdr
, res
);
6384 static int nfs4_xdr_dec_release_lockowner(struct rpc_rqst
*rqstp
,
6385 struct xdr_stream
*xdr
, void *dummy
)
6387 struct compound_hdr hdr
;
6390 status
= decode_compound_hdr(xdr
, &hdr
);
6392 status
= decode_release_lockowner(xdr
);
6397 * Decode READLINK response
6399 static int nfs4_xdr_dec_readlink(struct rpc_rqst
*rqstp
,
6400 struct xdr_stream
*xdr
,
6401 struct nfs4_readlink_res
*res
)
6403 struct compound_hdr hdr
;
6406 status
= decode_compound_hdr(xdr
, &hdr
);
6409 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6412 status
= decode_putfh(xdr
);
6415 status
= decode_readlink(xdr
, rqstp
);
6421 * Decode READDIR response
6423 static int nfs4_xdr_dec_readdir(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6424 struct nfs4_readdir_res
*res
)
6426 struct compound_hdr hdr
;
6429 status
= decode_compound_hdr(xdr
, &hdr
);
6432 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6435 status
= decode_putfh(xdr
);
6438 status
= decode_readdir(xdr
, rqstp
, res
);
6444 * Decode Read response
6446 static int nfs4_xdr_dec_read(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6447 struct nfs_readres
*res
)
6449 struct compound_hdr hdr
;
6452 status
= decode_compound_hdr(xdr
, &hdr
);
6455 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6458 status
= decode_putfh(xdr
);
6461 status
= decode_read(xdr
, rqstp
, res
);
6463 status
= res
->count
;
6469 * Decode WRITE response
6471 static int nfs4_xdr_dec_write(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6472 struct nfs_writeres
*res
)
6474 struct compound_hdr hdr
;
6477 status
= decode_compound_hdr(xdr
, &hdr
);
6480 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6483 status
= decode_putfh(xdr
);
6486 status
= decode_write(xdr
, res
);
6490 decode_getfattr(xdr
, res
->fattr
, res
->server
);
6492 status
= res
->count
;
6498 * Decode COMMIT response
6500 static int nfs4_xdr_dec_commit(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6501 struct nfs_commitres
*res
)
6503 struct compound_hdr hdr
;
6506 status
= decode_compound_hdr(xdr
, &hdr
);
6509 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6512 status
= decode_putfh(xdr
);
6515 status
= decode_commit(xdr
, res
);
6521 * Decode FSINFO response
6523 static int nfs4_xdr_dec_fsinfo(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
6524 struct nfs4_fsinfo_res
*res
)
6526 struct compound_hdr hdr
;
6529 status
= decode_compound_hdr(xdr
, &hdr
);
6531 status
= decode_sequence(xdr
, &res
->seq_res
, req
);
6533 status
= decode_putfh(xdr
);
6535 status
= decode_fsinfo(xdr
, res
->fsinfo
);
6540 * Decode PATHCONF response
6542 static int nfs4_xdr_dec_pathconf(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
6543 struct nfs4_pathconf_res
*res
)
6545 struct compound_hdr hdr
;
6548 status
= decode_compound_hdr(xdr
, &hdr
);
6550 status
= decode_sequence(xdr
, &res
->seq_res
, req
);
6552 status
= decode_putfh(xdr
);
6554 status
= decode_pathconf(xdr
, res
->pathconf
);
6559 * Decode STATFS response
6561 static int nfs4_xdr_dec_statfs(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
6562 struct nfs4_statfs_res
*res
)
6564 struct compound_hdr hdr
;
6567 status
= decode_compound_hdr(xdr
, &hdr
);
6569 status
= decode_sequence(xdr
, &res
->seq_res
, req
);
6571 status
= decode_putfh(xdr
);
6573 status
= decode_statfs(xdr
, res
->fsstat
);
6578 * Decode GETATTR_BITMAP response
6580 static int nfs4_xdr_dec_server_caps(struct rpc_rqst
*req
,
6581 struct xdr_stream
*xdr
,
6582 struct nfs4_server_caps_res
*res
)
6584 struct compound_hdr hdr
;
6587 status
= decode_compound_hdr(xdr
, &hdr
);
6590 status
= decode_sequence(xdr
, &res
->seq_res
, req
);
6593 status
= decode_putfh(xdr
);
6596 status
= decode_server_caps(xdr
, res
);
6602 * Decode RENEW response
6604 static int nfs4_xdr_dec_renew(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6607 struct compound_hdr hdr
;
6610 status
= decode_compound_hdr(xdr
, &hdr
);
6612 status
= decode_renew(xdr
);
6617 * Decode SETCLIENTID response
6619 static int nfs4_xdr_dec_setclientid(struct rpc_rqst
*req
,
6620 struct xdr_stream
*xdr
,
6621 struct nfs4_setclientid_res
*res
)
6623 struct compound_hdr hdr
;
6626 status
= decode_compound_hdr(xdr
, &hdr
);
6628 status
= decode_setclientid(xdr
, res
);
6633 * Decode SETCLIENTID_CONFIRM response
6635 static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst
*req
,
6636 struct xdr_stream
*xdr
)
6638 struct compound_hdr hdr
;
6641 status
= decode_compound_hdr(xdr
, &hdr
);
6643 status
= decode_setclientid_confirm(xdr
);
6648 * Decode DELEGRETURN response
6650 static int nfs4_xdr_dec_delegreturn(struct rpc_rqst
*rqstp
,
6651 struct xdr_stream
*xdr
,
6652 struct nfs4_delegreturnres
*res
)
6654 struct compound_hdr hdr
;
6657 status
= decode_compound_hdr(xdr
, &hdr
);
6660 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6663 status
= decode_putfh(xdr
);
6666 status
= decode_getfattr(xdr
, res
->fattr
, res
->server
);
6669 status
= decode_delegreturn(xdr
);
6675 * Decode FS_LOCATIONS response
6677 static int nfs4_xdr_dec_fs_locations(struct rpc_rqst
*req
,
6678 struct xdr_stream
*xdr
,
6679 struct nfs4_fs_locations_res
*res
)
6681 struct compound_hdr hdr
;
6684 status
= decode_compound_hdr(xdr
, &hdr
);
6687 status
= decode_sequence(xdr
, &res
->seq_res
, req
);
6690 status
= decode_putfh(xdr
);
6693 status
= decode_lookup(xdr
);
6696 xdr_enter_page(xdr
, PAGE_SIZE
);
6697 status
= decode_getfattr_generic(xdr
, &res
->fs_locations
->fattr
,
6698 NULL
, res
->fs_locations
,
6699 res
->fs_locations
->server
);
6705 * Decode SECINFO response
6707 static int nfs4_xdr_dec_secinfo(struct rpc_rqst
*rqstp
,
6708 struct xdr_stream
*xdr
,
6709 struct nfs4_secinfo_res
*res
)
6711 struct compound_hdr hdr
;
6714 status
= decode_compound_hdr(xdr
, &hdr
);
6717 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6720 status
= decode_putfh(xdr
);
6723 status
= decode_secinfo(xdr
, res
);
6728 #if defined(CONFIG_NFS_V4_1)
6730 * Decode BIND_CONN_TO_SESSION response
6732 static int nfs4_xdr_dec_bind_conn_to_session(struct rpc_rqst
*rqstp
,
6733 struct xdr_stream
*xdr
,
6736 struct compound_hdr hdr
;
6739 status
= decode_compound_hdr(xdr
, &hdr
);
6741 status
= decode_bind_conn_to_session(xdr
, res
);
6746 * Decode EXCHANGE_ID response
6748 static int nfs4_xdr_dec_exchange_id(struct rpc_rqst
*rqstp
,
6749 struct xdr_stream
*xdr
,
6752 struct compound_hdr hdr
;
6755 status
= decode_compound_hdr(xdr
, &hdr
);
6757 status
= decode_exchange_id(xdr
, res
);
6762 * Decode CREATE_SESSION response
6764 static int nfs4_xdr_dec_create_session(struct rpc_rqst
*rqstp
,
6765 struct xdr_stream
*xdr
,
6766 struct nfs41_create_session_res
*res
)
6768 struct compound_hdr hdr
;
6771 status
= decode_compound_hdr(xdr
, &hdr
);
6773 status
= decode_create_session(xdr
, res
);
6778 * Decode DESTROY_SESSION response
6780 static int nfs4_xdr_dec_destroy_session(struct rpc_rqst
*rqstp
,
6781 struct xdr_stream
*xdr
,
6784 struct compound_hdr hdr
;
6787 status
= decode_compound_hdr(xdr
, &hdr
);
6789 status
= decode_destroy_session(xdr
, res
);
6794 * Decode DESTROY_CLIENTID response
6796 static int nfs4_xdr_dec_destroy_clientid(struct rpc_rqst
*rqstp
,
6797 struct xdr_stream
*xdr
,
6800 struct compound_hdr hdr
;
6803 status
= decode_compound_hdr(xdr
, &hdr
);
6805 status
= decode_destroy_clientid(xdr
, res
);
6810 * Decode SEQUENCE response
6812 static int nfs4_xdr_dec_sequence(struct rpc_rqst
*rqstp
,
6813 struct xdr_stream
*xdr
,
6814 struct nfs4_sequence_res
*res
)
6816 struct compound_hdr hdr
;
6819 status
= decode_compound_hdr(xdr
, &hdr
);
6821 status
= decode_sequence(xdr
, res
, rqstp
);
6826 * Decode GET_LEASE_TIME response
6828 static int nfs4_xdr_dec_get_lease_time(struct rpc_rqst
*rqstp
,
6829 struct xdr_stream
*xdr
,
6830 struct nfs4_get_lease_time_res
*res
)
6832 struct compound_hdr hdr
;
6835 status
= decode_compound_hdr(xdr
, &hdr
);
6837 status
= decode_sequence(xdr
, &res
->lr_seq_res
, rqstp
);
6839 status
= decode_putrootfh(xdr
);
6841 status
= decode_fsinfo(xdr
, res
->lr_fsinfo
);
6846 * Decode RECLAIM_COMPLETE response
6848 static int nfs4_xdr_dec_reclaim_complete(struct rpc_rqst
*rqstp
,
6849 struct xdr_stream
*xdr
,
6850 struct nfs41_reclaim_complete_res
*res
)
6852 struct compound_hdr hdr
;
6855 status
= decode_compound_hdr(xdr
, &hdr
);
6857 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6859 status
= decode_reclaim_complete(xdr
, (void *)NULL
);
6864 * Decode GETDEVICELIST response
6866 static int nfs4_xdr_dec_getdevicelist(struct rpc_rqst
*rqstp
,
6867 struct xdr_stream
*xdr
,
6868 struct nfs4_getdevicelist_res
*res
)
6870 struct compound_hdr hdr
;
6873 dprintk("encoding getdevicelist!\n");
6875 status
= decode_compound_hdr(xdr
, &hdr
);
6878 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6881 status
= decode_putfh(xdr
);
6884 status
= decode_getdevicelist(xdr
, res
->devlist
);
6890 * Decode GETDEVINFO response
6892 static int nfs4_xdr_dec_getdeviceinfo(struct rpc_rqst
*rqstp
,
6893 struct xdr_stream
*xdr
,
6894 struct nfs4_getdeviceinfo_res
*res
)
6896 struct compound_hdr hdr
;
6899 status
= decode_compound_hdr(xdr
, &hdr
);
6902 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6905 status
= decode_getdeviceinfo(xdr
, res
->pdev
);
6911 * Decode LAYOUTGET response
6913 static int nfs4_xdr_dec_layoutget(struct rpc_rqst
*rqstp
,
6914 struct xdr_stream
*xdr
,
6915 struct nfs4_layoutget_res
*res
)
6917 struct compound_hdr hdr
;
6920 status
= decode_compound_hdr(xdr
, &hdr
);
6923 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6926 status
= decode_putfh(xdr
);
6929 status
= decode_layoutget(xdr
, rqstp
, res
);
6935 * Decode LAYOUTRETURN response
6937 static int nfs4_xdr_dec_layoutreturn(struct rpc_rqst
*rqstp
,
6938 struct xdr_stream
*xdr
,
6939 struct nfs4_layoutreturn_res
*res
)
6941 struct compound_hdr hdr
;
6944 status
= decode_compound_hdr(xdr
, &hdr
);
6947 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6950 status
= decode_putfh(xdr
);
6953 status
= decode_layoutreturn(xdr
, res
);
6959 * Decode LAYOUTCOMMIT response
6961 static int nfs4_xdr_dec_layoutcommit(struct rpc_rqst
*rqstp
,
6962 struct xdr_stream
*xdr
,
6963 struct nfs4_layoutcommit_res
*res
)
6965 struct compound_hdr hdr
;
6968 status
= decode_compound_hdr(xdr
, &hdr
);
6971 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6974 status
= decode_putfh(xdr
);
6977 status
= decode_layoutcommit(xdr
, rqstp
, res
);
6980 decode_getfattr(xdr
, res
->fattr
, res
->server
);
6986 * Decode SECINFO_NO_NAME response
6988 static int nfs4_xdr_dec_secinfo_no_name(struct rpc_rqst
*rqstp
,
6989 struct xdr_stream
*xdr
,
6990 struct nfs4_secinfo_res
*res
)
6992 struct compound_hdr hdr
;
6995 status
= decode_compound_hdr(xdr
, &hdr
);
6998 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
7001 status
= decode_putrootfh(xdr
);
7004 status
= decode_secinfo_no_name(xdr
, res
);
7010 * Decode TEST_STATEID response
7012 static int nfs4_xdr_dec_test_stateid(struct rpc_rqst
*rqstp
,
7013 struct xdr_stream
*xdr
,
7014 struct nfs41_test_stateid_res
*res
)
7016 struct compound_hdr hdr
;
7019 status
= decode_compound_hdr(xdr
, &hdr
);
7022 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
7025 status
= decode_test_stateid(xdr
, res
);
7031 * Decode FREE_STATEID response
7033 static int nfs4_xdr_dec_free_stateid(struct rpc_rqst
*rqstp
,
7034 struct xdr_stream
*xdr
,
7035 struct nfs41_free_stateid_res
*res
)
7037 struct compound_hdr hdr
;
7040 status
= decode_compound_hdr(xdr
, &hdr
);
7043 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
7046 status
= decode_free_stateid(xdr
, res
);
7050 #endif /* CONFIG_NFS_V4_1 */
7053 * nfs4_decode_dirent - Decode a single NFSv4 directory entry stored in
7054 * the local page cache.
7055 * @xdr: XDR stream where entry resides
7056 * @entry: buffer to fill in with entry data
7057 * @plus: boolean indicating whether this should be a readdirplus entry
7059 * Returns zero if successful, otherwise a negative errno value is
7062 * This function is not invoked during READDIR reply decoding, but
7063 * rather whenever an application invokes the getdents(2) system call
7064 * on a directory already in our cache.
7066 int nfs4_decode_dirent(struct xdr_stream
*xdr
, struct nfs_entry
*entry
,
7070 uint32_t bitmap
[3] = {0};
7072 __be32
*p
= xdr_inline_decode(xdr
, 4);
7075 if (*p
== xdr_zero
) {
7076 p
= xdr_inline_decode(xdr
, 4);
7085 p
= xdr_inline_decode(xdr
, 12);
7088 entry
->prev_cookie
= entry
->cookie
;
7089 p
= xdr_decode_hyper(p
, &entry
->cookie
);
7090 entry
->len
= be32_to_cpup(p
);
7092 p
= xdr_inline_decode(xdr
, entry
->len
);
7095 entry
->name
= (const char *) p
;
7098 * In case the server doesn't return an inode number,
7099 * we fake one here. (We don't use inode number 0,
7100 * since glibc seems to choke on it...)
7103 entry
->fattr
->valid
= 0;
7105 if (decode_attr_bitmap(xdr
, bitmap
) < 0)
7108 if (decode_attr_length(xdr
, &len
, &savep
) < 0)
7111 if (decode_getfattr_attrs(xdr
, bitmap
, entry
->fattr
, entry
->fh
,
7112 NULL
, entry
->server
) < 0)
7114 if (entry
->fattr
->valid
& NFS_ATTR_FATTR_MOUNTED_ON_FILEID
)
7115 entry
->ino
= entry
->fattr
->mounted_on_fileid
;
7116 else if (entry
->fattr
->valid
& NFS_ATTR_FATTR_FILEID
)
7117 entry
->ino
= entry
->fattr
->fileid
;
7119 entry
->d_type
= DT_UNKNOWN
;
7120 if (entry
->fattr
->valid
& NFS_ATTR_FATTR_TYPE
)
7121 entry
->d_type
= nfs_umode_to_dtype(entry
->fattr
->mode
);
7126 print_overflow_msg(__func__
, xdr
);
7131 * We need to translate between nfs status return values and
7132 * the local errno values which may not be the same.
7139 { NFS4ERR_PERM
, -EPERM
},
7140 { NFS4ERR_NOENT
, -ENOENT
},
7141 { NFS4ERR_IO
, -errno_NFSERR_IO
},
7142 { NFS4ERR_NXIO
, -ENXIO
},
7143 { NFS4ERR_ACCESS
, -EACCES
},
7144 { NFS4ERR_EXIST
, -EEXIST
},
7145 { NFS4ERR_XDEV
, -EXDEV
},
7146 { NFS4ERR_NOTDIR
, -ENOTDIR
},
7147 { NFS4ERR_ISDIR
, -EISDIR
},
7148 { NFS4ERR_INVAL
, -EINVAL
},
7149 { NFS4ERR_FBIG
, -EFBIG
},
7150 { NFS4ERR_NOSPC
, -ENOSPC
},
7151 { NFS4ERR_ROFS
, -EROFS
},
7152 { NFS4ERR_MLINK
, -EMLINK
},
7153 { NFS4ERR_NAMETOOLONG
, -ENAMETOOLONG
},
7154 { NFS4ERR_NOTEMPTY
, -ENOTEMPTY
},
7155 { NFS4ERR_DQUOT
, -EDQUOT
},
7156 { NFS4ERR_STALE
, -ESTALE
},
7157 { NFS4ERR_BADHANDLE
, -EBADHANDLE
},
7158 { NFS4ERR_BAD_COOKIE
, -EBADCOOKIE
},
7159 { NFS4ERR_NOTSUPP
, -ENOTSUPP
},
7160 { NFS4ERR_TOOSMALL
, -ETOOSMALL
},
7161 { NFS4ERR_SERVERFAULT
, -EREMOTEIO
},
7162 { NFS4ERR_BADTYPE
, -EBADTYPE
},
7163 { NFS4ERR_LOCKED
, -EAGAIN
},
7164 { NFS4ERR_SYMLINK
, -ELOOP
},
7165 { NFS4ERR_OP_ILLEGAL
, -EOPNOTSUPP
},
7166 { NFS4ERR_DEADLOCK
, -EDEADLK
},
7171 * Convert an NFS error code to a local one.
7172 * This one is used jointly by NFSv2 and NFSv3.
7175 nfs4_stat_to_errno(int stat
)
7178 for (i
= 0; nfs_errtbl
[i
].stat
!= -1; i
++) {
7179 if (nfs_errtbl
[i
].stat
== stat
)
7180 return nfs_errtbl
[i
].errno
;
7182 if (stat
<= 10000 || stat
> 10100) {
7183 /* The server is looney tunes. */
7186 /* If we cannot translate the error, the recovery routines should
7188 * Note: remaining NFSv4 error codes have values > 10000, so should
7189 * not conflict with native Linux error codes.
7194 #define PROC(proc, argtype, restype) \
7195 [NFSPROC4_CLNT_##proc] = { \
7196 .p_proc = NFSPROC4_COMPOUND, \
7197 .p_encode = (kxdreproc_t)nfs4_xdr_##argtype, \
7198 .p_decode = (kxdrdproc_t)nfs4_xdr_##restype, \
7199 .p_arglen = NFS4_##argtype##_sz, \
7200 .p_replen = NFS4_##restype##_sz, \
7201 .p_statidx = NFSPROC4_CLNT_##proc, \
7205 struct rpc_procinfo nfs4_procedures
[] = {
7206 PROC(READ
, enc_read
, dec_read
),
7207 PROC(WRITE
, enc_write
, dec_write
),
7208 PROC(COMMIT
, enc_commit
, dec_commit
),
7209 PROC(OPEN
, enc_open
, dec_open
),
7210 PROC(OPEN_CONFIRM
, enc_open_confirm
, dec_open_confirm
),
7211 PROC(OPEN_NOATTR
, enc_open_noattr
, dec_open_noattr
),
7212 PROC(OPEN_DOWNGRADE
, enc_open_downgrade
, dec_open_downgrade
),
7213 PROC(CLOSE
, enc_close
, dec_close
),
7214 PROC(SETATTR
, enc_setattr
, dec_setattr
),
7215 PROC(FSINFO
, enc_fsinfo
, dec_fsinfo
),
7216 PROC(RENEW
, enc_renew
, dec_renew
),
7217 PROC(SETCLIENTID
, enc_setclientid
, dec_setclientid
),
7218 PROC(SETCLIENTID_CONFIRM
, enc_setclientid_confirm
, dec_setclientid_confirm
),
7219 PROC(LOCK
, enc_lock
, dec_lock
),
7220 PROC(LOCKT
, enc_lockt
, dec_lockt
),
7221 PROC(LOCKU
, enc_locku
, dec_locku
),
7222 PROC(ACCESS
, enc_access
, dec_access
),
7223 PROC(GETATTR
, enc_getattr
, dec_getattr
),
7224 PROC(LOOKUP
, enc_lookup
, dec_lookup
),
7225 PROC(LOOKUP_ROOT
, enc_lookup_root
, dec_lookup_root
),
7226 PROC(REMOVE
, enc_remove
, dec_remove
),
7227 PROC(RENAME
, enc_rename
, dec_rename
),
7228 PROC(LINK
, enc_link
, dec_link
),
7229 PROC(SYMLINK
, enc_symlink
, dec_symlink
),
7230 PROC(CREATE
, enc_create
, dec_create
),
7231 PROC(PATHCONF
, enc_pathconf
, dec_pathconf
),
7232 PROC(STATFS
, enc_statfs
, dec_statfs
),
7233 PROC(READLINK
, enc_readlink
, dec_readlink
),
7234 PROC(READDIR
, enc_readdir
, dec_readdir
),
7235 PROC(SERVER_CAPS
, enc_server_caps
, dec_server_caps
),
7236 PROC(DELEGRETURN
, enc_delegreturn
, dec_delegreturn
),
7237 PROC(GETACL
, enc_getacl
, dec_getacl
),
7238 PROC(SETACL
, enc_setacl
, dec_setacl
),
7239 PROC(FS_LOCATIONS
, enc_fs_locations
, dec_fs_locations
),
7240 PROC(RELEASE_LOCKOWNER
, enc_release_lockowner
, dec_release_lockowner
),
7241 PROC(SECINFO
, enc_secinfo
, dec_secinfo
),
7242 #if defined(CONFIG_NFS_V4_1)
7243 PROC(EXCHANGE_ID
, enc_exchange_id
, dec_exchange_id
),
7244 PROC(CREATE_SESSION
, enc_create_session
, dec_create_session
),
7245 PROC(DESTROY_SESSION
, enc_destroy_session
, dec_destroy_session
),
7246 PROC(SEQUENCE
, enc_sequence
, dec_sequence
),
7247 PROC(GET_LEASE_TIME
, enc_get_lease_time
, dec_get_lease_time
),
7248 PROC(RECLAIM_COMPLETE
, enc_reclaim_complete
, dec_reclaim_complete
),
7249 PROC(GETDEVICEINFO
, enc_getdeviceinfo
, dec_getdeviceinfo
),
7250 PROC(LAYOUTGET
, enc_layoutget
, dec_layoutget
),
7251 PROC(LAYOUTCOMMIT
, enc_layoutcommit
, dec_layoutcommit
),
7252 PROC(LAYOUTRETURN
, enc_layoutreturn
, dec_layoutreturn
),
7253 PROC(SECINFO_NO_NAME
, enc_secinfo_no_name
, dec_secinfo_no_name
),
7254 PROC(TEST_STATEID
, enc_test_stateid
, dec_test_stateid
),
7255 PROC(FREE_STATEID
, enc_free_stateid
, dec_free_stateid
),
7256 PROC(GETDEVICELIST
, enc_getdevicelist
, dec_getdevicelist
),
7257 PROC(BIND_CONN_TO_SESSION
,
7258 enc_bind_conn_to_session
, dec_bind_conn_to_session
),
7259 PROC(DESTROY_CLIENTID
, enc_destroy_clientid
, dec_destroy_clientid
),
7260 #endif /* CONFIG_NFS_V4_1 */
7263 const struct rpc_version nfs_version4
= {
7265 .nrprocs
= ARRAY_SIZE(nfs4_procedures
),
7266 .procs
= nfs4_procedures