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 encode_putrootfh_maxsz + \
536 #define NFS4_dec_setclientid_confirm_sz \
537 (compound_decode_hdr_maxsz + \
538 decode_setclientid_confirm_maxsz + \
539 decode_putrootfh_maxsz + \
541 #define NFS4_enc_lock_sz (compound_encode_hdr_maxsz + \
542 encode_sequence_maxsz + \
543 encode_putfh_maxsz + \
545 #define NFS4_dec_lock_sz (compound_decode_hdr_maxsz + \
546 decode_sequence_maxsz + \
547 decode_putfh_maxsz + \
549 #define NFS4_enc_lockt_sz (compound_encode_hdr_maxsz + \
550 encode_sequence_maxsz + \
551 encode_putfh_maxsz + \
553 #define NFS4_dec_lockt_sz (compound_decode_hdr_maxsz + \
554 decode_sequence_maxsz + \
555 decode_putfh_maxsz + \
557 #define NFS4_enc_locku_sz (compound_encode_hdr_maxsz + \
558 encode_sequence_maxsz + \
559 encode_putfh_maxsz + \
561 #define NFS4_dec_locku_sz (compound_decode_hdr_maxsz + \
562 decode_sequence_maxsz + \
563 decode_putfh_maxsz + \
565 #define NFS4_enc_release_lockowner_sz \
566 (compound_encode_hdr_maxsz + \
567 encode_lockowner_maxsz)
568 #define NFS4_dec_release_lockowner_sz \
569 (compound_decode_hdr_maxsz + \
570 decode_lockowner_maxsz)
571 #define NFS4_enc_access_sz (compound_encode_hdr_maxsz + \
572 encode_sequence_maxsz + \
573 encode_putfh_maxsz + \
574 encode_access_maxsz + \
575 encode_getattr_maxsz)
576 #define NFS4_dec_access_sz (compound_decode_hdr_maxsz + \
577 decode_sequence_maxsz + \
578 decode_putfh_maxsz + \
579 decode_access_maxsz + \
580 decode_getattr_maxsz)
581 #define NFS4_enc_getattr_sz (compound_encode_hdr_maxsz + \
582 encode_sequence_maxsz + \
583 encode_putfh_maxsz + \
584 encode_getattr_maxsz)
585 #define NFS4_dec_getattr_sz (compound_decode_hdr_maxsz + \
586 decode_sequence_maxsz + \
587 decode_putfh_maxsz + \
588 decode_getattr_maxsz)
589 #define NFS4_enc_lookup_sz (compound_encode_hdr_maxsz + \
590 encode_sequence_maxsz + \
591 encode_putfh_maxsz + \
592 encode_lookup_maxsz + \
593 encode_getattr_maxsz + \
595 #define NFS4_dec_lookup_sz (compound_decode_hdr_maxsz + \
596 decode_sequence_maxsz + \
597 decode_putfh_maxsz + \
598 decode_lookup_maxsz + \
599 decode_getattr_maxsz + \
601 #define NFS4_enc_lookup_root_sz (compound_encode_hdr_maxsz + \
602 encode_sequence_maxsz + \
603 encode_putrootfh_maxsz + \
604 encode_getattr_maxsz + \
606 #define NFS4_dec_lookup_root_sz (compound_decode_hdr_maxsz + \
607 decode_sequence_maxsz + \
608 decode_putrootfh_maxsz + \
609 decode_getattr_maxsz + \
611 #define NFS4_enc_remove_sz (compound_encode_hdr_maxsz + \
612 encode_sequence_maxsz + \
613 encode_putfh_maxsz + \
615 #define NFS4_dec_remove_sz (compound_decode_hdr_maxsz + \
616 decode_sequence_maxsz + \
617 decode_putfh_maxsz + \
619 #define NFS4_enc_rename_sz (compound_encode_hdr_maxsz + \
620 encode_sequence_maxsz + \
621 encode_putfh_maxsz + \
622 encode_savefh_maxsz + \
623 encode_putfh_maxsz + \
625 #define NFS4_dec_rename_sz (compound_decode_hdr_maxsz + \
626 decode_sequence_maxsz + \
627 decode_putfh_maxsz + \
628 decode_savefh_maxsz + \
629 decode_putfh_maxsz + \
631 #define NFS4_enc_link_sz (compound_encode_hdr_maxsz + \
632 encode_sequence_maxsz + \
633 encode_putfh_maxsz + \
634 encode_savefh_maxsz + \
635 encode_putfh_maxsz + \
636 encode_link_maxsz + \
637 encode_restorefh_maxsz + \
638 encode_getattr_maxsz)
639 #define NFS4_dec_link_sz (compound_decode_hdr_maxsz + \
640 decode_sequence_maxsz + \
641 decode_putfh_maxsz + \
642 decode_savefh_maxsz + \
643 decode_putfh_maxsz + \
644 decode_link_maxsz + \
645 decode_restorefh_maxsz + \
646 decode_getattr_maxsz)
647 #define NFS4_enc_symlink_sz (compound_encode_hdr_maxsz + \
648 encode_sequence_maxsz + \
649 encode_putfh_maxsz + \
650 encode_symlink_maxsz + \
651 encode_getattr_maxsz + \
653 #define NFS4_dec_symlink_sz (compound_decode_hdr_maxsz + \
654 decode_sequence_maxsz + \
655 decode_putfh_maxsz + \
656 decode_symlink_maxsz + \
657 decode_getattr_maxsz + \
659 #define NFS4_enc_create_sz (compound_encode_hdr_maxsz + \
660 encode_sequence_maxsz + \
661 encode_putfh_maxsz + \
662 encode_create_maxsz + \
663 encode_getfh_maxsz + \
664 encode_getattr_maxsz)
665 #define NFS4_dec_create_sz (compound_decode_hdr_maxsz + \
666 decode_sequence_maxsz + \
667 decode_putfh_maxsz + \
668 decode_create_maxsz + \
669 decode_getfh_maxsz + \
670 decode_getattr_maxsz)
671 #define NFS4_enc_pathconf_sz (compound_encode_hdr_maxsz + \
672 encode_sequence_maxsz + \
673 encode_putfh_maxsz + \
674 encode_getattr_maxsz)
675 #define NFS4_dec_pathconf_sz (compound_decode_hdr_maxsz + \
676 decode_sequence_maxsz + \
677 decode_putfh_maxsz + \
678 decode_getattr_maxsz)
679 #define NFS4_enc_statfs_sz (compound_encode_hdr_maxsz + \
680 encode_sequence_maxsz + \
681 encode_putfh_maxsz + \
683 #define NFS4_dec_statfs_sz (compound_decode_hdr_maxsz + \
684 decode_sequence_maxsz + \
685 decode_putfh_maxsz + \
687 #define NFS4_enc_server_caps_sz (compound_encode_hdr_maxsz + \
688 encode_sequence_maxsz + \
689 encode_putfh_maxsz + \
690 encode_getattr_maxsz)
691 #define NFS4_dec_server_caps_sz (compound_decode_hdr_maxsz + \
692 decode_sequence_maxsz + \
693 decode_putfh_maxsz + \
694 decode_getattr_maxsz)
695 #define NFS4_enc_delegreturn_sz (compound_encode_hdr_maxsz + \
696 encode_sequence_maxsz + \
697 encode_putfh_maxsz + \
698 encode_delegreturn_maxsz + \
699 encode_getattr_maxsz)
700 #define NFS4_dec_delegreturn_sz (compound_decode_hdr_maxsz + \
701 decode_sequence_maxsz + \
702 decode_delegreturn_maxsz + \
703 decode_getattr_maxsz)
704 #define NFS4_enc_getacl_sz (compound_encode_hdr_maxsz + \
705 encode_sequence_maxsz + \
706 encode_putfh_maxsz + \
708 #define NFS4_dec_getacl_sz (compound_decode_hdr_maxsz + \
709 decode_sequence_maxsz + \
710 decode_putfh_maxsz + \
712 #define NFS4_enc_setacl_sz (compound_encode_hdr_maxsz + \
713 encode_sequence_maxsz + \
714 encode_putfh_maxsz + \
716 #define NFS4_dec_setacl_sz (compound_decode_hdr_maxsz + \
717 decode_sequence_maxsz + \
718 decode_putfh_maxsz + \
720 #define NFS4_enc_fs_locations_sz \
721 (compound_encode_hdr_maxsz + \
722 encode_sequence_maxsz + \
723 encode_putfh_maxsz + \
724 encode_lookup_maxsz + \
725 encode_fs_locations_maxsz)
726 #define NFS4_dec_fs_locations_sz \
727 (compound_decode_hdr_maxsz + \
728 decode_sequence_maxsz + \
729 decode_putfh_maxsz + \
730 decode_lookup_maxsz + \
731 decode_fs_locations_maxsz)
732 #define NFS4_enc_secinfo_sz (compound_encode_hdr_maxsz + \
733 encode_sequence_maxsz + \
734 encode_putfh_maxsz + \
735 encode_secinfo_maxsz)
736 #define NFS4_dec_secinfo_sz (compound_decode_hdr_maxsz + \
737 decode_sequence_maxsz + \
738 decode_putfh_maxsz + \
739 decode_secinfo_maxsz)
740 #if defined(CONFIG_NFS_V4_1)
741 #define NFS4_enc_bind_conn_to_session_sz \
742 (compound_encode_hdr_maxsz + \
743 encode_bind_conn_to_session_maxsz)
744 #define NFS4_dec_bind_conn_to_session_sz \
745 (compound_decode_hdr_maxsz + \
746 decode_bind_conn_to_session_maxsz)
747 #define NFS4_enc_exchange_id_sz \
748 (compound_encode_hdr_maxsz + \
749 encode_exchange_id_maxsz)
750 #define NFS4_dec_exchange_id_sz \
751 (compound_decode_hdr_maxsz + \
752 decode_exchange_id_maxsz)
753 #define NFS4_enc_create_session_sz \
754 (compound_encode_hdr_maxsz + \
755 encode_create_session_maxsz)
756 #define NFS4_dec_create_session_sz \
757 (compound_decode_hdr_maxsz + \
758 decode_create_session_maxsz)
759 #define NFS4_enc_destroy_session_sz (compound_encode_hdr_maxsz + \
760 encode_destroy_session_maxsz)
761 #define NFS4_dec_destroy_session_sz (compound_decode_hdr_maxsz + \
762 decode_destroy_session_maxsz)
763 #define NFS4_enc_destroy_clientid_sz (compound_encode_hdr_maxsz + \
764 encode_destroy_clientid_maxsz)
765 #define NFS4_dec_destroy_clientid_sz (compound_decode_hdr_maxsz + \
766 decode_destroy_clientid_maxsz)
767 #define NFS4_enc_sequence_sz \
768 (compound_decode_hdr_maxsz + \
769 encode_sequence_maxsz)
770 #define NFS4_dec_sequence_sz \
771 (compound_decode_hdr_maxsz + \
772 decode_sequence_maxsz)
773 #define NFS4_enc_get_lease_time_sz (compound_encode_hdr_maxsz + \
774 encode_sequence_maxsz + \
775 encode_putrootfh_maxsz + \
777 #define NFS4_dec_get_lease_time_sz (compound_decode_hdr_maxsz + \
778 decode_sequence_maxsz + \
779 decode_putrootfh_maxsz + \
781 #define NFS4_enc_reclaim_complete_sz (compound_encode_hdr_maxsz + \
782 encode_sequence_maxsz + \
783 encode_reclaim_complete_maxsz)
784 #define NFS4_dec_reclaim_complete_sz (compound_decode_hdr_maxsz + \
785 decode_sequence_maxsz + \
786 decode_reclaim_complete_maxsz)
787 #define NFS4_enc_getdevicelist_sz (compound_encode_hdr_maxsz + \
788 encode_sequence_maxsz + \
789 encode_putfh_maxsz + \
790 encode_getdevicelist_maxsz)
791 #define NFS4_dec_getdevicelist_sz (compound_decode_hdr_maxsz + \
792 decode_sequence_maxsz + \
793 decode_putfh_maxsz + \
794 decode_getdevicelist_maxsz)
795 #define NFS4_enc_getdeviceinfo_sz (compound_encode_hdr_maxsz + \
796 encode_sequence_maxsz +\
797 encode_getdeviceinfo_maxsz)
798 #define NFS4_dec_getdeviceinfo_sz (compound_decode_hdr_maxsz + \
799 decode_sequence_maxsz + \
800 decode_getdeviceinfo_maxsz)
801 #define NFS4_enc_layoutget_sz (compound_encode_hdr_maxsz + \
802 encode_sequence_maxsz + \
803 encode_putfh_maxsz + \
804 encode_layoutget_maxsz)
805 #define NFS4_dec_layoutget_sz (compound_decode_hdr_maxsz + \
806 decode_sequence_maxsz + \
807 decode_putfh_maxsz + \
808 decode_layoutget_maxsz)
809 #define NFS4_enc_layoutcommit_sz (compound_encode_hdr_maxsz + \
810 encode_sequence_maxsz +\
811 encode_putfh_maxsz + \
812 encode_layoutcommit_maxsz + \
813 encode_getattr_maxsz)
814 #define NFS4_dec_layoutcommit_sz (compound_decode_hdr_maxsz + \
815 decode_sequence_maxsz + \
816 decode_putfh_maxsz + \
817 decode_layoutcommit_maxsz + \
818 decode_getattr_maxsz)
819 #define NFS4_enc_layoutreturn_sz (compound_encode_hdr_maxsz + \
820 encode_sequence_maxsz + \
821 encode_putfh_maxsz + \
822 encode_layoutreturn_maxsz)
823 #define NFS4_dec_layoutreturn_sz (compound_decode_hdr_maxsz + \
824 decode_sequence_maxsz + \
825 decode_putfh_maxsz + \
826 decode_layoutreturn_maxsz)
827 #define NFS4_enc_secinfo_no_name_sz (compound_encode_hdr_maxsz + \
828 encode_sequence_maxsz + \
829 encode_putrootfh_maxsz +\
830 encode_secinfo_no_name_maxsz)
831 #define NFS4_dec_secinfo_no_name_sz (compound_decode_hdr_maxsz + \
832 decode_sequence_maxsz + \
833 decode_putrootfh_maxsz + \
834 decode_secinfo_no_name_maxsz)
835 #define NFS4_enc_test_stateid_sz (compound_encode_hdr_maxsz + \
836 encode_sequence_maxsz + \
837 encode_test_stateid_maxsz)
838 #define NFS4_dec_test_stateid_sz (compound_decode_hdr_maxsz + \
839 decode_sequence_maxsz + \
840 decode_test_stateid_maxsz)
841 #define NFS4_enc_free_stateid_sz (compound_encode_hdr_maxsz + \
842 encode_sequence_maxsz + \
843 encode_free_stateid_maxsz)
844 #define NFS4_dec_free_stateid_sz (compound_decode_hdr_maxsz + \
845 decode_sequence_maxsz + \
846 decode_free_stateid_maxsz)
848 const u32 nfs41_maxwrite_overhead
= ((RPC_MAX_HEADER_WITH_AUTH
+
849 compound_encode_hdr_maxsz
+
850 encode_sequence_maxsz
+
852 encode_getattr_maxsz
) *
855 const u32 nfs41_maxread_overhead
= ((RPC_MAX_HEADER_WITH_AUTH
+
856 compound_decode_hdr_maxsz
+
857 decode_sequence_maxsz
+
858 decode_putfh_maxsz
) *
860 #endif /* CONFIG_NFS_V4_1 */
862 static const umode_t nfs_type2fmt
[] = {
869 [NF4SOCK
] = S_IFSOCK
,
875 struct compound_hdr
{
881 uint32_t replen
; /* expected reply words */
885 static __be32
*reserve_space(struct xdr_stream
*xdr
, size_t nbytes
)
887 __be32
*p
= xdr_reserve_space(xdr
, nbytes
);
892 static void encode_opaque_fixed(struct xdr_stream
*xdr
, const void *buf
, size_t len
)
896 p
= xdr_reserve_space(xdr
, len
);
897 xdr_encode_opaque_fixed(p
, buf
, len
);
900 static void encode_string(struct xdr_stream
*xdr
, unsigned int len
, const char *str
)
904 p
= reserve_space(xdr
, 4 + len
);
905 xdr_encode_opaque(p
, str
, len
);
908 static void encode_uint32(struct xdr_stream
*xdr
, u32 n
)
912 p
= reserve_space(xdr
, 4);
916 static void encode_uint64(struct xdr_stream
*xdr
, u64 n
)
920 p
= reserve_space(xdr
, 8);
921 xdr_encode_hyper(p
, n
);
924 static void encode_nfs4_seqid(struct xdr_stream
*xdr
,
925 const struct nfs_seqid
*seqid
)
927 encode_uint32(xdr
, seqid
->sequence
->counter
);
930 static void encode_compound_hdr(struct xdr_stream
*xdr
,
931 struct rpc_rqst
*req
,
932 struct compound_hdr
*hdr
)
935 struct rpc_auth
*auth
= req
->rq_cred
->cr_auth
;
937 /* initialize running count of expected bytes in reply.
938 * NOTE: the replied tag SHOULD be the same is the one sent,
939 * but this is not required as a MUST for the server to do so. */
940 hdr
->replen
= RPC_REPHDRSIZE
+ auth
->au_rslack
+ 3 + hdr
->taglen
;
942 WARN_ON_ONCE(hdr
->taglen
> NFS4_MAXTAGLEN
);
943 encode_string(xdr
, hdr
->taglen
, hdr
->tag
);
944 p
= reserve_space(xdr
, 8);
945 *p
++ = cpu_to_be32(hdr
->minorversion
);
947 *p
= cpu_to_be32(hdr
->nops
);
950 static void encode_op_hdr(struct xdr_stream
*xdr
, enum nfs_opnum4 op
,
952 struct compound_hdr
*hdr
)
954 encode_uint32(xdr
, op
);
956 hdr
->replen
+= replen
;
959 static void encode_nops(struct compound_hdr
*hdr
)
961 WARN_ON_ONCE(hdr
->nops
> NFS4_MAX_OPS
);
962 *hdr
->nops_p
= htonl(hdr
->nops
);
965 static void encode_nfs4_stateid(struct xdr_stream
*xdr
, const nfs4_stateid
*stateid
)
967 encode_opaque_fixed(xdr
, stateid
, NFS4_STATEID_SIZE
);
970 static void encode_nfs4_verifier(struct xdr_stream
*xdr
, const nfs4_verifier
*verf
)
972 encode_opaque_fixed(xdr
, verf
->data
, NFS4_VERIFIER_SIZE
);
975 static void encode_attrs(struct xdr_stream
*xdr
, const struct iattr
*iap
, const struct nfs_server
*server
)
977 char owner_name
[IDMAP_NAMESZ
];
978 char owner_group
[IDMAP_NAMESZ
];
979 int owner_namelen
= 0;
980 int owner_grouplen
= 0;
988 * We reserve enough space to write the entire attribute buffer at once.
989 * In the worst-case, this would be
990 * 12(bitmap) + 4(attrlen) + 8(size) + 4(mode) + 4(atime) + 4(mtime)
991 * = 36 bytes, plus any contribution from variable-length fields
992 * such as owner/group.
997 if (iap
->ia_valid
& ATTR_SIZE
)
999 if (iap
->ia_valid
& ATTR_MODE
)
1001 if (iap
->ia_valid
& ATTR_UID
) {
1002 owner_namelen
= nfs_map_uid_to_name(server
, iap
->ia_uid
, owner_name
, IDMAP_NAMESZ
);
1003 if (owner_namelen
< 0) {
1004 dprintk("nfs: couldn't resolve uid %d to string\n",
1005 from_kuid(&init_user_ns
, iap
->ia_uid
));
1007 strcpy(owner_name
, "nobody");
1008 owner_namelen
= sizeof("nobody") - 1;
1011 len
+= 4 + (XDR_QUADLEN(owner_namelen
) << 2);
1013 if (iap
->ia_valid
& ATTR_GID
) {
1014 owner_grouplen
= nfs_map_gid_to_group(server
, iap
->ia_gid
, owner_group
, IDMAP_NAMESZ
);
1015 if (owner_grouplen
< 0) {
1016 dprintk("nfs: couldn't resolve gid %d to string\n",
1017 from_kgid(&init_user_ns
, iap
->ia_gid
));
1018 strcpy(owner_group
, "nobody");
1019 owner_grouplen
= sizeof("nobody") - 1;
1022 len
+= 4 + (XDR_QUADLEN(owner_grouplen
) << 2);
1024 if (iap
->ia_valid
& ATTR_ATIME_SET
)
1026 else if (iap
->ia_valid
& ATTR_ATIME
)
1028 if (iap
->ia_valid
& ATTR_MTIME_SET
)
1030 else if (iap
->ia_valid
& ATTR_MTIME
)
1032 p
= reserve_space(xdr
, len
);
1035 * We write the bitmap length now, but leave the bitmap and the attribute
1036 * buffer length to be backfilled at the end of this routine.
1038 *p
++ = cpu_to_be32(2);
1042 if (iap
->ia_valid
& ATTR_SIZE
) {
1043 bmval0
|= FATTR4_WORD0_SIZE
;
1044 p
= xdr_encode_hyper(p
, iap
->ia_size
);
1046 if (iap
->ia_valid
& ATTR_MODE
) {
1047 bmval1
|= FATTR4_WORD1_MODE
;
1048 *p
++ = cpu_to_be32(iap
->ia_mode
& S_IALLUGO
);
1050 if (iap
->ia_valid
& ATTR_UID
) {
1051 bmval1
|= FATTR4_WORD1_OWNER
;
1052 p
= xdr_encode_opaque(p
, owner_name
, owner_namelen
);
1054 if (iap
->ia_valid
& ATTR_GID
) {
1055 bmval1
|= FATTR4_WORD1_OWNER_GROUP
;
1056 p
= xdr_encode_opaque(p
, owner_group
, owner_grouplen
);
1058 if (iap
->ia_valid
& ATTR_ATIME_SET
) {
1059 bmval1
|= FATTR4_WORD1_TIME_ACCESS_SET
;
1060 *p
++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME
);
1061 *p
++ = cpu_to_be32(0);
1062 *p
++ = cpu_to_be32(iap
->ia_atime
.tv_sec
);
1063 *p
++ = cpu_to_be32(iap
->ia_atime
.tv_nsec
);
1065 else if (iap
->ia_valid
& ATTR_ATIME
) {
1066 bmval1
|= FATTR4_WORD1_TIME_ACCESS_SET
;
1067 *p
++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME
);
1069 if (iap
->ia_valid
& ATTR_MTIME_SET
) {
1070 bmval1
|= FATTR4_WORD1_TIME_MODIFY_SET
;
1071 *p
++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME
);
1072 *p
++ = cpu_to_be32(0);
1073 *p
++ = cpu_to_be32(iap
->ia_mtime
.tv_sec
);
1074 *p
++ = cpu_to_be32(iap
->ia_mtime
.tv_nsec
);
1076 else if (iap
->ia_valid
& ATTR_MTIME
) {
1077 bmval1
|= FATTR4_WORD1_TIME_MODIFY_SET
;
1078 *p
++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME
);
1082 * Now we backfill the bitmap and the attribute buffer length.
1084 if (len
!= ((char *)p
- (char *)q
) + 4) {
1085 printk(KERN_ERR
"NFS: Attr length error, %u != %Zu\n",
1086 len
, ((char *)p
- (char *)q
) + 4);
1089 len
= (char *)p
- (char *)q
- 12;
1090 *q
++ = htonl(bmval0
);
1091 *q
++ = htonl(bmval1
);
1097 static void encode_access(struct xdr_stream
*xdr
, u32 access
, struct compound_hdr
*hdr
)
1099 encode_op_hdr(xdr
, OP_ACCESS
, decode_access_maxsz
, hdr
);
1100 encode_uint32(xdr
, access
);
1103 static void encode_close(struct xdr_stream
*xdr
, const struct nfs_closeargs
*arg
, struct compound_hdr
*hdr
)
1105 encode_op_hdr(xdr
, OP_CLOSE
, decode_close_maxsz
, hdr
);
1106 encode_nfs4_seqid(xdr
, arg
->seqid
);
1107 encode_nfs4_stateid(xdr
, arg
->stateid
);
1110 static void encode_commit(struct xdr_stream
*xdr
, const struct nfs_commitargs
*args
, struct compound_hdr
*hdr
)
1114 encode_op_hdr(xdr
, OP_COMMIT
, decode_commit_maxsz
, hdr
);
1115 p
= reserve_space(xdr
, 12);
1116 p
= xdr_encode_hyper(p
, args
->offset
);
1117 *p
= cpu_to_be32(args
->count
);
1120 static void encode_create(struct xdr_stream
*xdr
, const struct nfs4_create_arg
*create
, struct compound_hdr
*hdr
)
1124 encode_op_hdr(xdr
, OP_CREATE
, decode_create_maxsz
, hdr
);
1125 encode_uint32(xdr
, create
->ftype
);
1127 switch (create
->ftype
) {
1129 p
= reserve_space(xdr
, 4);
1130 *p
= cpu_to_be32(create
->u
.symlink
.len
);
1131 xdr_write_pages(xdr
, create
->u
.symlink
.pages
, 0, create
->u
.symlink
.len
);
1134 case NF4BLK
: case NF4CHR
:
1135 p
= reserve_space(xdr
, 8);
1136 *p
++ = cpu_to_be32(create
->u
.device
.specdata1
);
1137 *p
= cpu_to_be32(create
->u
.device
.specdata2
);
1144 encode_string(xdr
, create
->name
->len
, create
->name
->name
);
1145 encode_attrs(xdr
, create
->attrs
, create
->server
);
1148 static void encode_getattr_one(struct xdr_stream
*xdr
, uint32_t bitmap
, struct compound_hdr
*hdr
)
1152 encode_op_hdr(xdr
, OP_GETATTR
, decode_getattr_maxsz
, hdr
);
1153 p
= reserve_space(xdr
, 8);
1154 *p
++ = cpu_to_be32(1);
1155 *p
= cpu_to_be32(bitmap
);
1158 static void encode_getattr_two(struct xdr_stream
*xdr
, uint32_t bm0
, uint32_t bm1
, struct compound_hdr
*hdr
)
1162 encode_op_hdr(xdr
, OP_GETATTR
, decode_getattr_maxsz
, hdr
);
1163 p
= reserve_space(xdr
, 12);
1164 *p
++ = cpu_to_be32(2);
1165 *p
++ = cpu_to_be32(bm0
);
1166 *p
= cpu_to_be32(bm1
);
1170 encode_getattr_three(struct xdr_stream
*xdr
,
1171 uint32_t bm0
, uint32_t bm1
, uint32_t bm2
,
1172 struct compound_hdr
*hdr
)
1176 encode_op_hdr(xdr
, OP_GETATTR
, decode_getattr_maxsz
, hdr
);
1178 p
= reserve_space(xdr
, 16);
1179 *p
++ = cpu_to_be32(3);
1180 *p
++ = cpu_to_be32(bm0
);
1181 *p
++ = cpu_to_be32(bm1
);
1182 *p
= cpu_to_be32(bm2
);
1184 p
= reserve_space(xdr
, 12);
1185 *p
++ = cpu_to_be32(2);
1186 *p
++ = cpu_to_be32(bm0
);
1187 *p
= cpu_to_be32(bm1
);
1189 p
= reserve_space(xdr
, 8);
1190 *p
++ = cpu_to_be32(1);
1191 *p
= cpu_to_be32(bm0
);
1195 static void encode_getfattr(struct xdr_stream
*xdr
, const u32
* bitmask
, struct compound_hdr
*hdr
)
1197 encode_getattr_two(xdr
, bitmask
[0] & nfs4_fattr_bitmap
[0],
1198 bitmask
[1] & nfs4_fattr_bitmap
[1], hdr
);
1201 static void encode_getfattr_open(struct xdr_stream
*xdr
, const u32
*bitmask
,
1202 const u32
*open_bitmap
,
1203 struct compound_hdr
*hdr
)
1205 encode_getattr_three(xdr
,
1206 bitmask
[0] & open_bitmap
[0],
1207 bitmask
[1] & open_bitmap
[1],
1208 bitmask
[2] & open_bitmap
[2],
1212 static void encode_fsinfo(struct xdr_stream
*xdr
, const u32
* bitmask
, struct compound_hdr
*hdr
)
1214 encode_getattr_three(xdr
,
1215 bitmask
[0] & nfs4_fsinfo_bitmap
[0],
1216 bitmask
[1] & nfs4_fsinfo_bitmap
[1],
1217 bitmask
[2] & nfs4_fsinfo_bitmap
[2],
1221 static void encode_fs_locations(struct xdr_stream
*xdr
, const u32
* bitmask
, struct compound_hdr
*hdr
)
1223 encode_getattr_two(xdr
, bitmask
[0] & nfs4_fs_locations_bitmap
[0],
1224 bitmask
[1] & nfs4_fs_locations_bitmap
[1], hdr
);
1227 static void encode_getfh(struct xdr_stream
*xdr
, struct compound_hdr
*hdr
)
1229 encode_op_hdr(xdr
, OP_GETFH
, decode_getfh_maxsz
, hdr
);
1232 static void encode_link(struct xdr_stream
*xdr
, const struct qstr
*name
, struct compound_hdr
*hdr
)
1234 encode_op_hdr(xdr
, OP_LINK
, decode_link_maxsz
, hdr
);
1235 encode_string(xdr
, name
->len
, name
->name
);
1238 static inline int nfs4_lock_type(struct file_lock
*fl
, int block
)
1240 if (fl
->fl_type
== F_RDLCK
)
1241 return block
? NFS4_READW_LT
: NFS4_READ_LT
;
1242 return block
? NFS4_WRITEW_LT
: NFS4_WRITE_LT
;
1245 static inline uint64_t nfs4_lock_length(struct file_lock
*fl
)
1247 if (fl
->fl_end
== OFFSET_MAX
)
1248 return ~(uint64_t)0;
1249 return fl
->fl_end
- fl
->fl_start
+ 1;
1252 static void encode_lockowner(struct xdr_stream
*xdr
, const struct nfs_lowner
*lowner
)
1256 p
= reserve_space(xdr
, 32);
1257 p
= xdr_encode_hyper(p
, lowner
->clientid
);
1258 *p
++ = cpu_to_be32(20);
1259 p
= xdr_encode_opaque_fixed(p
, "lock id:", 8);
1260 *p
++ = cpu_to_be32(lowner
->s_dev
);
1261 xdr_encode_hyper(p
, lowner
->id
);
1265 * opcode,type,reclaim,offset,length,new_lock_owner = 32
1266 * open_seqid,open_stateid,lock_seqid,lock_owner.clientid, lock_owner.id = 40
1268 static void encode_lock(struct xdr_stream
*xdr
, const struct nfs_lock_args
*args
, struct compound_hdr
*hdr
)
1272 encode_op_hdr(xdr
, OP_LOCK
, decode_lock_maxsz
, hdr
);
1273 p
= reserve_space(xdr
, 28);
1274 *p
++ = cpu_to_be32(nfs4_lock_type(args
->fl
, args
->block
));
1275 *p
++ = cpu_to_be32(args
->reclaim
);
1276 p
= xdr_encode_hyper(p
, args
->fl
->fl_start
);
1277 p
= xdr_encode_hyper(p
, nfs4_lock_length(args
->fl
));
1278 *p
= cpu_to_be32(args
->new_lock_owner
);
1279 if (args
->new_lock_owner
){
1280 encode_nfs4_seqid(xdr
, args
->open_seqid
);
1281 encode_nfs4_stateid(xdr
, args
->open_stateid
);
1282 encode_nfs4_seqid(xdr
, args
->lock_seqid
);
1283 encode_lockowner(xdr
, &args
->lock_owner
);
1286 encode_nfs4_stateid(xdr
, args
->lock_stateid
);
1287 encode_nfs4_seqid(xdr
, args
->lock_seqid
);
1291 static void encode_lockt(struct xdr_stream
*xdr
, const struct nfs_lockt_args
*args
, struct compound_hdr
*hdr
)
1295 encode_op_hdr(xdr
, OP_LOCKT
, decode_lockt_maxsz
, hdr
);
1296 p
= reserve_space(xdr
, 20);
1297 *p
++ = cpu_to_be32(nfs4_lock_type(args
->fl
, 0));
1298 p
= xdr_encode_hyper(p
, args
->fl
->fl_start
);
1299 p
= xdr_encode_hyper(p
, nfs4_lock_length(args
->fl
));
1300 encode_lockowner(xdr
, &args
->lock_owner
);
1303 static void encode_locku(struct xdr_stream
*xdr
, const struct nfs_locku_args
*args
, struct compound_hdr
*hdr
)
1307 encode_op_hdr(xdr
, OP_LOCKU
, decode_locku_maxsz
, hdr
);
1308 encode_uint32(xdr
, nfs4_lock_type(args
->fl
, 0));
1309 encode_nfs4_seqid(xdr
, args
->seqid
);
1310 encode_nfs4_stateid(xdr
, args
->stateid
);
1311 p
= reserve_space(xdr
, 16);
1312 p
= xdr_encode_hyper(p
, args
->fl
->fl_start
);
1313 xdr_encode_hyper(p
, nfs4_lock_length(args
->fl
));
1316 static void encode_release_lockowner(struct xdr_stream
*xdr
, const struct nfs_lowner
*lowner
, struct compound_hdr
*hdr
)
1318 encode_op_hdr(xdr
, OP_RELEASE_LOCKOWNER
, decode_release_lockowner_maxsz
, hdr
);
1319 encode_lockowner(xdr
, lowner
);
1322 static void encode_lookup(struct xdr_stream
*xdr
, const struct qstr
*name
, struct compound_hdr
*hdr
)
1324 encode_op_hdr(xdr
, OP_LOOKUP
, decode_lookup_maxsz
, hdr
);
1325 encode_string(xdr
, name
->len
, name
->name
);
1328 static void encode_share_access(struct xdr_stream
*xdr
, fmode_t fmode
)
1332 p
= reserve_space(xdr
, 8);
1333 switch (fmode
& (FMODE_READ
|FMODE_WRITE
)) {
1335 *p
++ = cpu_to_be32(NFS4_SHARE_ACCESS_READ
);
1338 *p
++ = cpu_to_be32(NFS4_SHARE_ACCESS_WRITE
);
1340 case FMODE_READ
|FMODE_WRITE
:
1341 *p
++ = cpu_to_be32(NFS4_SHARE_ACCESS_BOTH
);
1344 *p
++ = cpu_to_be32(0);
1346 *p
= cpu_to_be32(0); /* for linux, share_deny = 0 always */
1349 static inline void encode_openhdr(struct xdr_stream
*xdr
, const struct nfs_openargs
*arg
)
1353 * opcode 4, seqid 4, share_access 4, share_deny 4, clientid 8, ownerlen 4,
1356 encode_nfs4_seqid(xdr
, arg
->seqid
);
1357 encode_share_access(xdr
, arg
->fmode
);
1358 p
= reserve_space(xdr
, 36);
1359 p
= xdr_encode_hyper(p
, arg
->clientid
);
1360 *p
++ = cpu_to_be32(24);
1361 p
= xdr_encode_opaque_fixed(p
, "open id:", 8);
1362 *p
++ = cpu_to_be32(arg
->server
->s_dev
);
1363 *p
++ = cpu_to_be32(arg
->id
.uniquifier
);
1364 xdr_encode_hyper(p
, arg
->id
.create_time
);
1367 static inline void encode_createmode(struct xdr_stream
*xdr
, const struct nfs_openargs
*arg
)
1370 struct nfs_client
*clp
;
1372 p
= reserve_space(xdr
, 4);
1373 switch(arg
->open_flags
& O_EXCL
) {
1375 *p
= cpu_to_be32(NFS4_CREATE_UNCHECKED
);
1376 encode_attrs(xdr
, arg
->u
.attrs
, arg
->server
);
1379 clp
= arg
->server
->nfs_client
;
1380 if (clp
->cl_mvops
->minor_version
> 0) {
1381 if (nfs4_has_persistent_session(clp
)) {
1382 *p
= cpu_to_be32(NFS4_CREATE_GUARDED
);
1383 encode_attrs(xdr
, arg
->u
.attrs
, arg
->server
);
1387 *p
= cpu_to_be32(NFS4_CREATE_EXCLUSIVE4_1
);
1388 encode_nfs4_verifier(xdr
, &arg
->u
.verifier
);
1390 encode_attrs(xdr
, &dummy
, arg
->server
);
1393 *p
= cpu_to_be32(NFS4_CREATE_EXCLUSIVE
);
1394 encode_nfs4_verifier(xdr
, &arg
->u
.verifier
);
1399 static void encode_opentype(struct xdr_stream
*xdr
, const struct nfs_openargs
*arg
)
1403 p
= reserve_space(xdr
, 4);
1404 switch (arg
->open_flags
& O_CREAT
) {
1406 *p
= cpu_to_be32(NFS4_OPEN_NOCREATE
);
1409 *p
= cpu_to_be32(NFS4_OPEN_CREATE
);
1410 encode_createmode(xdr
, arg
);
1414 static inline void encode_delegation_type(struct xdr_stream
*xdr
, fmode_t delegation_type
)
1418 p
= reserve_space(xdr
, 4);
1419 switch (delegation_type
) {
1421 *p
= cpu_to_be32(NFS4_OPEN_DELEGATE_NONE
);
1424 *p
= cpu_to_be32(NFS4_OPEN_DELEGATE_READ
);
1426 case FMODE_WRITE
|FMODE_READ
:
1427 *p
= cpu_to_be32(NFS4_OPEN_DELEGATE_WRITE
);
1434 static inline void encode_claim_null(struct xdr_stream
*xdr
, const struct qstr
*name
)
1438 p
= reserve_space(xdr
, 4);
1439 *p
= cpu_to_be32(NFS4_OPEN_CLAIM_NULL
);
1440 encode_string(xdr
, name
->len
, name
->name
);
1443 static inline void encode_claim_previous(struct xdr_stream
*xdr
, fmode_t type
)
1447 p
= reserve_space(xdr
, 4);
1448 *p
= cpu_to_be32(NFS4_OPEN_CLAIM_PREVIOUS
);
1449 encode_delegation_type(xdr
, type
);
1452 static inline void encode_claim_delegate_cur(struct xdr_stream
*xdr
, const struct qstr
*name
, const nfs4_stateid
*stateid
)
1456 p
= reserve_space(xdr
, 4);
1457 *p
= cpu_to_be32(NFS4_OPEN_CLAIM_DELEGATE_CUR
);
1458 encode_nfs4_stateid(xdr
, stateid
);
1459 encode_string(xdr
, name
->len
, name
->name
);
1462 static inline void encode_claim_fh(struct xdr_stream
*xdr
)
1466 p
= reserve_space(xdr
, 4);
1467 *p
= cpu_to_be32(NFS4_OPEN_CLAIM_FH
);
1470 static inline void encode_claim_delegate_cur_fh(struct xdr_stream
*xdr
, const nfs4_stateid
*stateid
)
1474 p
= reserve_space(xdr
, 4);
1475 *p
= cpu_to_be32(NFS4_OPEN_CLAIM_DELEG_CUR_FH
);
1476 encode_nfs4_stateid(xdr
, stateid
);
1479 static void encode_open(struct xdr_stream
*xdr
, const struct nfs_openargs
*arg
, struct compound_hdr
*hdr
)
1481 encode_op_hdr(xdr
, OP_OPEN
, decode_open_maxsz
, hdr
);
1482 encode_openhdr(xdr
, arg
);
1483 encode_opentype(xdr
, arg
);
1484 switch (arg
->claim
) {
1485 case NFS4_OPEN_CLAIM_NULL
:
1486 encode_claim_null(xdr
, arg
->name
);
1488 case NFS4_OPEN_CLAIM_PREVIOUS
:
1489 encode_claim_previous(xdr
, arg
->u
.delegation_type
);
1491 case NFS4_OPEN_CLAIM_DELEGATE_CUR
:
1492 encode_claim_delegate_cur(xdr
, arg
->name
, &arg
->u
.delegation
);
1494 case NFS4_OPEN_CLAIM_FH
:
1495 encode_claim_fh(xdr
);
1497 case NFS4_OPEN_CLAIM_DELEG_CUR_FH
:
1498 encode_claim_delegate_cur_fh(xdr
, &arg
->u
.delegation
);
1505 static void encode_open_confirm(struct xdr_stream
*xdr
, const struct nfs_open_confirmargs
*arg
, struct compound_hdr
*hdr
)
1507 encode_op_hdr(xdr
, OP_OPEN_CONFIRM
, decode_open_confirm_maxsz
, hdr
);
1508 encode_nfs4_stateid(xdr
, arg
->stateid
);
1509 encode_nfs4_seqid(xdr
, arg
->seqid
);
1512 static void encode_open_downgrade(struct xdr_stream
*xdr
, const struct nfs_closeargs
*arg
, struct compound_hdr
*hdr
)
1514 encode_op_hdr(xdr
, OP_OPEN_DOWNGRADE
, decode_open_downgrade_maxsz
, hdr
);
1515 encode_nfs4_stateid(xdr
, arg
->stateid
);
1516 encode_nfs4_seqid(xdr
, arg
->seqid
);
1517 encode_share_access(xdr
, arg
->fmode
);
1521 encode_putfh(struct xdr_stream
*xdr
, const struct nfs_fh
*fh
, struct compound_hdr
*hdr
)
1523 encode_op_hdr(xdr
, OP_PUTFH
, decode_putfh_maxsz
, hdr
);
1524 encode_string(xdr
, fh
->size
, fh
->data
);
1527 static void encode_putrootfh(struct xdr_stream
*xdr
, struct compound_hdr
*hdr
)
1529 encode_op_hdr(xdr
, OP_PUTROOTFH
, decode_putrootfh_maxsz
, hdr
);
1532 static void encode_read(struct xdr_stream
*xdr
, const struct nfs_readargs
*args
, struct compound_hdr
*hdr
)
1536 encode_op_hdr(xdr
, OP_READ
, decode_read_maxsz
, hdr
);
1537 encode_nfs4_stateid(xdr
, &args
->stateid
);
1539 p
= reserve_space(xdr
, 12);
1540 p
= xdr_encode_hyper(p
, args
->offset
);
1541 *p
= cpu_to_be32(args
->count
);
1544 static void encode_readdir(struct xdr_stream
*xdr
, const struct nfs4_readdir_arg
*readdir
, struct rpc_rqst
*req
, struct compound_hdr
*hdr
)
1546 uint32_t attrs
[2] = {
1547 FATTR4_WORD0_RDATTR_ERROR
,
1548 FATTR4_WORD1_MOUNTED_ON_FILEID
,
1550 uint32_t dircount
= readdir
->count
>> 1;
1553 if (readdir
->plus
) {
1554 attrs
[0] |= FATTR4_WORD0_TYPE
|FATTR4_WORD0_CHANGE
|FATTR4_WORD0_SIZE
|
1555 FATTR4_WORD0_FSID
|FATTR4_WORD0_FILEHANDLE
|FATTR4_WORD0_FILEID
;
1556 attrs
[1] |= FATTR4_WORD1_MODE
|FATTR4_WORD1_NUMLINKS
|FATTR4_WORD1_OWNER
|
1557 FATTR4_WORD1_OWNER_GROUP
|FATTR4_WORD1_RAWDEV
|
1558 FATTR4_WORD1_SPACE_USED
|FATTR4_WORD1_TIME_ACCESS
|
1559 FATTR4_WORD1_TIME_METADATA
|FATTR4_WORD1_TIME_MODIFY
;
1562 /* Use mounted_on_fileid only if the server supports it */
1563 if (!(readdir
->bitmask
[1] & FATTR4_WORD1_MOUNTED_ON_FILEID
))
1564 attrs
[0] |= FATTR4_WORD0_FILEID
;
1566 encode_op_hdr(xdr
, OP_READDIR
, decode_readdir_maxsz
, hdr
);
1567 encode_uint64(xdr
, readdir
->cookie
);
1568 encode_nfs4_verifier(xdr
, &readdir
->verifier
);
1569 p
= reserve_space(xdr
, 20);
1570 *p
++ = cpu_to_be32(dircount
);
1571 *p
++ = cpu_to_be32(readdir
->count
);
1572 *p
++ = cpu_to_be32(2);
1574 *p
++ = cpu_to_be32(attrs
[0] & readdir
->bitmask
[0]);
1575 *p
= cpu_to_be32(attrs
[1] & readdir
->bitmask
[1]);
1576 memcpy(verf
, readdir
->verifier
.data
, sizeof(verf
));
1577 dprintk("%s: cookie = %Lu, verifier = %08x:%08x, bitmap = %08x:%08x\n",
1579 (unsigned long long)readdir
->cookie
,
1581 attrs
[0] & readdir
->bitmask
[0],
1582 attrs
[1] & readdir
->bitmask
[1]);
1585 static void encode_readlink(struct xdr_stream
*xdr
, const struct nfs4_readlink
*readlink
, struct rpc_rqst
*req
, struct compound_hdr
*hdr
)
1587 encode_op_hdr(xdr
, OP_READLINK
, decode_readlink_maxsz
, hdr
);
1590 static void encode_remove(struct xdr_stream
*xdr
, const struct qstr
*name
, struct compound_hdr
*hdr
)
1592 encode_op_hdr(xdr
, OP_REMOVE
, decode_remove_maxsz
, hdr
);
1593 encode_string(xdr
, name
->len
, name
->name
);
1596 static void encode_rename(struct xdr_stream
*xdr
, const struct qstr
*oldname
, const struct qstr
*newname
, struct compound_hdr
*hdr
)
1598 encode_op_hdr(xdr
, OP_RENAME
, decode_rename_maxsz
, hdr
);
1599 encode_string(xdr
, oldname
->len
, oldname
->name
);
1600 encode_string(xdr
, newname
->len
, newname
->name
);
1603 static void encode_renew(struct xdr_stream
*xdr
, clientid4 clid
,
1604 struct compound_hdr
*hdr
)
1606 encode_op_hdr(xdr
, OP_RENEW
, decode_renew_maxsz
, hdr
);
1607 encode_uint64(xdr
, clid
);
1611 encode_restorefh(struct xdr_stream
*xdr
, struct compound_hdr
*hdr
)
1613 encode_op_hdr(xdr
, OP_RESTOREFH
, decode_restorefh_maxsz
, hdr
);
1617 encode_setacl(struct xdr_stream
*xdr
, struct nfs_setaclargs
*arg
, struct compound_hdr
*hdr
)
1621 encode_op_hdr(xdr
, OP_SETATTR
, decode_setacl_maxsz
, hdr
);
1622 encode_nfs4_stateid(xdr
, &zero_stateid
);
1623 p
= reserve_space(xdr
, 2*4);
1624 *p
++ = cpu_to_be32(1);
1625 *p
= cpu_to_be32(FATTR4_WORD0_ACL
);
1626 p
= reserve_space(xdr
, 4);
1627 *p
= cpu_to_be32(arg
->acl_len
);
1628 xdr_write_pages(xdr
, arg
->acl_pages
, arg
->acl_pgbase
, arg
->acl_len
);
1632 encode_savefh(struct xdr_stream
*xdr
, struct compound_hdr
*hdr
)
1634 encode_op_hdr(xdr
, OP_SAVEFH
, decode_savefh_maxsz
, hdr
);
1637 static void encode_setattr(struct xdr_stream
*xdr
, const struct nfs_setattrargs
*arg
, const struct nfs_server
*server
, struct compound_hdr
*hdr
)
1639 encode_op_hdr(xdr
, OP_SETATTR
, decode_setattr_maxsz
, hdr
);
1640 encode_nfs4_stateid(xdr
, &arg
->stateid
);
1641 encode_attrs(xdr
, arg
->iap
, server
);
1644 static void encode_setclientid(struct xdr_stream
*xdr
, const struct nfs4_setclientid
*setclientid
, struct compound_hdr
*hdr
)
1648 encode_op_hdr(xdr
, OP_SETCLIENTID
, decode_setclientid_maxsz
, hdr
);
1649 encode_nfs4_verifier(xdr
, setclientid
->sc_verifier
);
1651 encode_string(xdr
, setclientid
->sc_name_len
, setclientid
->sc_name
);
1652 p
= reserve_space(xdr
, 4);
1653 *p
= cpu_to_be32(setclientid
->sc_prog
);
1654 encode_string(xdr
, setclientid
->sc_netid_len
, setclientid
->sc_netid
);
1655 encode_string(xdr
, setclientid
->sc_uaddr_len
, setclientid
->sc_uaddr
);
1656 p
= reserve_space(xdr
, 4);
1657 *p
= cpu_to_be32(setclientid
->sc_cb_ident
);
1660 static void encode_setclientid_confirm(struct xdr_stream
*xdr
, const struct nfs4_setclientid_res
*arg
, struct compound_hdr
*hdr
)
1662 encode_op_hdr(xdr
, OP_SETCLIENTID_CONFIRM
,
1663 decode_setclientid_confirm_maxsz
, hdr
);
1664 encode_uint64(xdr
, arg
->clientid
);
1665 encode_nfs4_verifier(xdr
, &arg
->confirm
);
1668 static void encode_write(struct xdr_stream
*xdr
, const struct nfs_writeargs
*args
, struct compound_hdr
*hdr
)
1672 encode_op_hdr(xdr
, OP_WRITE
, decode_write_maxsz
, hdr
);
1673 encode_nfs4_stateid(xdr
, &args
->stateid
);
1675 p
= reserve_space(xdr
, 16);
1676 p
= xdr_encode_hyper(p
, args
->offset
);
1677 *p
++ = cpu_to_be32(args
->stable
);
1678 *p
= cpu_to_be32(args
->count
);
1680 xdr_write_pages(xdr
, args
->pages
, args
->pgbase
, args
->count
);
1683 static void encode_delegreturn(struct xdr_stream
*xdr
, const nfs4_stateid
*stateid
, struct compound_hdr
*hdr
)
1685 encode_op_hdr(xdr
, OP_DELEGRETURN
, decode_delegreturn_maxsz
, hdr
);
1686 encode_nfs4_stateid(xdr
, stateid
);
1689 static void encode_secinfo(struct xdr_stream
*xdr
, const struct qstr
*name
, struct compound_hdr
*hdr
)
1691 encode_op_hdr(xdr
, OP_SECINFO
, decode_secinfo_maxsz
, hdr
);
1692 encode_string(xdr
, name
->len
, name
->name
);
1695 #if defined(CONFIG_NFS_V4_1)
1696 /* NFSv4.1 operations */
1697 static void encode_bind_conn_to_session(struct xdr_stream
*xdr
,
1698 struct nfs4_session
*session
,
1699 struct compound_hdr
*hdr
)
1703 encode_op_hdr(xdr
, OP_BIND_CONN_TO_SESSION
,
1704 decode_bind_conn_to_session_maxsz
, hdr
);
1705 encode_opaque_fixed(xdr
, session
->sess_id
.data
, NFS4_MAX_SESSIONID_LEN
);
1706 p
= xdr_reserve_space(xdr
, 8);
1707 *p
++ = cpu_to_be32(NFS4_CDFC4_BACK_OR_BOTH
);
1708 *p
= 0; /* use_conn_in_rdma_mode = False */
1711 static void encode_exchange_id(struct xdr_stream
*xdr
,
1712 struct nfs41_exchange_id_args
*args
,
1713 struct compound_hdr
*hdr
)
1716 char impl_name
[IMPL_NAME_LIMIT
];
1719 encode_op_hdr(xdr
, OP_EXCHANGE_ID
, decode_exchange_id_maxsz
, hdr
);
1720 encode_nfs4_verifier(xdr
, args
->verifier
);
1722 encode_string(xdr
, args
->id_len
, args
->id
);
1724 p
= reserve_space(xdr
, 12);
1725 *p
++ = cpu_to_be32(args
->flags
);
1726 *p
++ = cpu_to_be32(0); /* zero length state_protect4_a */
1728 if (send_implementation_id
&&
1729 sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN
) > 1 &&
1730 sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN
)
1731 <= sizeof(impl_name
) + 1)
1732 len
= snprintf(impl_name
, sizeof(impl_name
), "%s %s %s %s",
1733 utsname()->sysname
, utsname()->release
,
1734 utsname()->version
, utsname()->machine
);
1737 *p
= cpu_to_be32(1); /* implementation id array length=1 */
1740 sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN
) - 1,
1741 CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN
);
1742 encode_string(xdr
, len
, impl_name
);
1743 /* just send zeros for nii_date - the date is in nii_name */
1744 p
= reserve_space(xdr
, 12);
1745 p
= xdr_encode_hyper(p
, 0);
1746 *p
= cpu_to_be32(0);
1748 *p
= cpu_to_be32(0); /* implementation id array length=0 */
1751 static void encode_create_session(struct xdr_stream
*xdr
,
1752 struct nfs41_create_session_args
*args
,
1753 struct compound_hdr
*hdr
)
1756 char machine_name
[NFS4_MAX_MACHINE_NAME_LEN
];
1758 struct nfs_client
*clp
= args
->client
;
1759 struct nfs_net
*nn
= net_generic(clp
->cl_net
, nfs_net_id
);
1760 u32 max_resp_sz_cached
;
1763 * Assumes OPEN is the biggest non-idempotent compound.
1764 * 2 is the verifier.
1766 max_resp_sz_cached
= (NFS4_dec_open_sz
+ RPC_REPHDRSIZE
+
1767 RPC_MAX_AUTH_SIZE
+ 2) * XDR_UNIT
;
1769 len
= scnprintf(machine_name
, sizeof(machine_name
), "%s",
1772 encode_op_hdr(xdr
, OP_CREATE_SESSION
, decode_create_session_maxsz
, hdr
);
1773 p
= reserve_space(xdr
, 16 + 2*28 + 20 + len
+ 12);
1774 p
= xdr_encode_hyper(p
, clp
->cl_clientid
);
1775 *p
++ = cpu_to_be32(clp
->cl_seqid
); /*Sequence id */
1776 *p
++ = cpu_to_be32(args
->flags
); /*flags */
1779 *p
++ = cpu_to_be32(0); /* header padding size */
1780 *p
++ = cpu_to_be32(args
->fc_attrs
.max_rqst_sz
); /* max req size */
1781 *p
++ = cpu_to_be32(args
->fc_attrs
.max_resp_sz
); /* max resp size */
1782 *p
++ = cpu_to_be32(max_resp_sz_cached
); /* Max resp sz cached */
1783 *p
++ = cpu_to_be32(args
->fc_attrs
.max_ops
); /* max operations */
1784 *p
++ = cpu_to_be32(args
->fc_attrs
.max_reqs
); /* max requests */
1785 *p
++ = cpu_to_be32(0); /* rdmachannel_attrs */
1788 *p
++ = cpu_to_be32(0); /* header padding size */
1789 *p
++ = cpu_to_be32(args
->bc_attrs
.max_rqst_sz
); /* max req size */
1790 *p
++ = cpu_to_be32(args
->bc_attrs
.max_resp_sz
); /* max resp size */
1791 *p
++ = cpu_to_be32(args
->bc_attrs
.max_resp_sz_cached
); /* Max resp sz cached */
1792 *p
++ = cpu_to_be32(args
->bc_attrs
.max_ops
); /* max operations */
1793 *p
++ = cpu_to_be32(args
->bc_attrs
.max_reqs
); /* max requests */
1794 *p
++ = cpu_to_be32(0); /* rdmachannel_attrs */
1796 *p
++ = cpu_to_be32(args
->cb_program
); /* cb_program */
1797 *p
++ = cpu_to_be32(1);
1798 *p
++ = cpu_to_be32(RPC_AUTH_UNIX
); /* auth_sys */
1800 /* authsys_parms rfc1831 */
1801 *p
++ = (__be32
)nn
->boot_time
.tv_nsec
; /* stamp */
1802 p
= xdr_encode_opaque(p
, machine_name
, len
);
1803 *p
++ = cpu_to_be32(0); /* UID */
1804 *p
++ = cpu_to_be32(0); /* GID */
1805 *p
= cpu_to_be32(0); /* No more gids */
1808 static void encode_destroy_session(struct xdr_stream
*xdr
,
1809 struct nfs4_session
*session
,
1810 struct compound_hdr
*hdr
)
1812 encode_op_hdr(xdr
, OP_DESTROY_SESSION
, decode_destroy_session_maxsz
, hdr
);
1813 encode_opaque_fixed(xdr
, session
->sess_id
.data
, NFS4_MAX_SESSIONID_LEN
);
1816 static void encode_destroy_clientid(struct xdr_stream
*xdr
,
1818 struct compound_hdr
*hdr
)
1820 encode_op_hdr(xdr
, OP_DESTROY_CLIENTID
, decode_destroy_clientid_maxsz
, hdr
);
1821 encode_uint64(xdr
, clientid
);
1824 static void encode_reclaim_complete(struct xdr_stream
*xdr
,
1825 struct nfs41_reclaim_complete_args
*args
,
1826 struct compound_hdr
*hdr
)
1828 encode_op_hdr(xdr
, OP_RECLAIM_COMPLETE
, decode_reclaim_complete_maxsz
, hdr
);
1829 encode_uint32(xdr
, args
->one_fs
);
1831 #endif /* CONFIG_NFS_V4_1 */
1833 static void encode_sequence(struct xdr_stream
*xdr
,
1834 const struct nfs4_sequence_args
*args
,
1835 struct compound_hdr
*hdr
)
1837 #if defined(CONFIG_NFS_V4_1)
1838 struct nfs4_session
*session
;
1839 struct nfs4_slot_table
*tp
;
1840 struct nfs4_slot
*slot
= args
->sa_slot
;
1847 session
= tp
->session
;
1849 encode_op_hdr(xdr
, OP_SEQUENCE
, decode_sequence_maxsz
, hdr
);
1852 * Sessionid + seqid + slotid + max slotid + cache_this
1854 dprintk("%s: sessionid=%u:%u:%u:%u seqid=%d slotid=%d "
1855 "max_slotid=%d cache_this=%d\n",
1857 ((u32
*)session
->sess_id
.data
)[0],
1858 ((u32
*)session
->sess_id
.data
)[1],
1859 ((u32
*)session
->sess_id
.data
)[2],
1860 ((u32
*)session
->sess_id
.data
)[3],
1861 slot
->seq_nr
, slot
->slot_nr
,
1862 tp
->highest_used_slotid
, args
->sa_cache_this
);
1863 p
= reserve_space(xdr
, NFS4_MAX_SESSIONID_LEN
+ 16);
1864 p
= xdr_encode_opaque_fixed(p
, session
->sess_id
.data
, NFS4_MAX_SESSIONID_LEN
);
1865 *p
++ = cpu_to_be32(slot
->seq_nr
);
1866 *p
++ = cpu_to_be32(slot
->slot_nr
);
1867 *p
++ = cpu_to_be32(tp
->highest_used_slotid
);
1868 *p
= cpu_to_be32(args
->sa_cache_this
);
1869 #endif /* CONFIG_NFS_V4_1 */
1872 #ifdef CONFIG_NFS_V4_1
1874 encode_getdevicelist(struct xdr_stream
*xdr
,
1875 const struct nfs4_getdevicelist_args
*args
,
1876 struct compound_hdr
*hdr
)
1879 nfs4_verifier dummy
= {
1883 encode_op_hdr(xdr
, OP_GETDEVICELIST
, decode_getdevicelist_maxsz
, hdr
);
1884 p
= reserve_space(xdr
, 16);
1885 *p
++ = cpu_to_be32(args
->layoutclass
);
1886 *p
++ = cpu_to_be32(NFS4_PNFS_GETDEVLIST_MAXNUM
);
1887 xdr_encode_hyper(p
, 0ULL); /* cookie */
1888 encode_nfs4_verifier(xdr
, &dummy
);
1892 encode_getdeviceinfo(struct xdr_stream
*xdr
,
1893 const struct nfs4_getdeviceinfo_args
*args
,
1894 struct compound_hdr
*hdr
)
1898 encode_op_hdr(xdr
, OP_GETDEVICEINFO
, decode_getdeviceinfo_maxsz
, hdr
);
1899 p
= reserve_space(xdr
, 12 + NFS4_DEVICEID4_SIZE
);
1900 p
= xdr_encode_opaque_fixed(p
, args
->pdev
->dev_id
.data
,
1901 NFS4_DEVICEID4_SIZE
);
1902 *p
++ = cpu_to_be32(args
->pdev
->layout_type
);
1903 *p
++ = cpu_to_be32(args
->pdev
->pglen
); /* gdia_maxcount */
1904 *p
++ = cpu_to_be32(0); /* bitmap length 0 */
1908 encode_layoutget(struct xdr_stream
*xdr
,
1909 const struct nfs4_layoutget_args
*args
,
1910 struct compound_hdr
*hdr
)
1914 encode_op_hdr(xdr
, OP_LAYOUTGET
, decode_layoutget_maxsz
, hdr
);
1915 p
= reserve_space(xdr
, 36);
1916 *p
++ = cpu_to_be32(0); /* Signal layout available */
1917 *p
++ = cpu_to_be32(args
->type
);
1918 *p
++ = cpu_to_be32(args
->range
.iomode
);
1919 p
= xdr_encode_hyper(p
, args
->range
.offset
);
1920 p
= xdr_encode_hyper(p
, args
->range
.length
);
1921 p
= xdr_encode_hyper(p
, args
->minlength
);
1922 encode_nfs4_stateid(xdr
, &args
->stateid
);
1923 encode_uint32(xdr
, args
->maxcount
);
1925 dprintk("%s: 1st type:0x%x iomode:%d off:%lu len:%lu mc:%d\n",
1929 (unsigned long)args
->range
.offset
,
1930 (unsigned long)args
->range
.length
,
1935 encode_layoutcommit(struct xdr_stream
*xdr
,
1936 struct inode
*inode
,
1937 const struct nfs4_layoutcommit_args
*args
,
1938 struct compound_hdr
*hdr
)
1942 dprintk("%s: lbw: %llu type: %d\n", __func__
, args
->lastbytewritten
,
1943 NFS_SERVER(args
->inode
)->pnfs_curr_ld
->id
);
1945 encode_op_hdr(xdr
, OP_LAYOUTCOMMIT
, decode_layoutcommit_maxsz
, hdr
);
1946 p
= reserve_space(xdr
, 20);
1947 /* Only whole file layouts */
1948 p
= xdr_encode_hyper(p
, 0); /* offset */
1949 p
= xdr_encode_hyper(p
, args
->lastbytewritten
+ 1); /* length */
1950 *p
= cpu_to_be32(0); /* reclaim */
1951 encode_nfs4_stateid(xdr
, &args
->stateid
);
1952 p
= reserve_space(xdr
, 20);
1953 *p
++ = cpu_to_be32(1); /* newoffset = TRUE */
1954 p
= xdr_encode_hyper(p
, args
->lastbytewritten
);
1955 *p
++ = cpu_to_be32(0); /* Never send time_modify_changed */
1956 *p
++ = cpu_to_be32(NFS_SERVER(args
->inode
)->pnfs_curr_ld
->id
);/* type */
1958 if (NFS_SERVER(inode
)->pnfs_curr_ld
->encode_layoutcommit
)
1959 NFS_SERVER(inode
)->pnfs_curr_ld
->encode_layoutcommit(
1960 NFS_I(inode
)->layout
, xdr
, args
);
1962 encode_uint32(xdr
, 0); /* no layout-type payload */
1968 encode_layoutreturn(struct xdr_stream
*xdr
,
1969 const struct nfs4_layoutreturn_args
*args
,
1970 struct compound_hdr
*hdr
)
1974 encode_op_hdr(xdr
, OP_LAYOUTRETURN
, decode_layoutreturn_maxsz
, hdr
);
1975 p
= reserve_space(xdr
, 16);
1976 *p
++ = cpu_to_be32(0); /* reclaim. always 0 for now */
1977 *p
++ = cpu_to_be32(args
->layout_type
);
1978 *p
++ = cpu_to_be32(IOMODE_ANY
);
1979 *p
= cpu_to_be32(RETURN_FILE
);
1980 p
= reserve_space(xdr
, 16);
1981 p
= xdr_encode_hyper(p
, 0);
1982 p
= xdr_encode_hyper(p
, NFS4_MAX_UINT64
);
1983 spin_lock(&args
->inode
->i_lock
);
1984 encode_nfs4_stateid(xdr
, &args
->stateid
);
1985 spin_unlock(&args
->inode
->i_lock
);
1986 if (NFS_SERVER(args
->inode
)->pnfs_curr_ld
->encode_layoutreturn
) {
1987 NFS_SERVER(args
->inode
)->pnfs_curr_ld
->encode_layoutreturn(
1988 NFS_I(args
->inode
)->layout
, xdr
, args
);
1990 encode_uint32(xdr
, 0);
1994 encode_secinfo_no_name(struct xdr_stream
*xdr
,
1995 const struct nfs41_secinfo_no_name_args
*args
,
1996 struct compound_hdr
*hdr
)
1998 encode_op_hdr(xdr
, OP_SECINFO_NO_NAME
, decode_secinfo_no_name_maxsz
, hdr
);
1999 encode_uint32(xdr
, args
->style
);
2003 static void encode_test_stateid(struct xdr_stream
*xdr
,
2004 struct nfs41_test_stateid_args
*args
,
2005 struct compound_hdr
*hdr
)
2007 encode_op_hdr(xdr
, OP_TEST_STATEID
, decode_test_stateid_maxsz
, hdr
);
2008 encode_uint32(xdr
, 1);
2009 encode_nfs4_stateid(xdr
, args
->stateid
);
2012 static void encode_free_stateid(struct xdr_stream
*xdr
,
2013 struct nfs41_free_stateid_args
*args
,
2014 struct compound_hdr
*hdr
)
2016 encode_op_hdr(xdr
, OP_FREE_STATEID
, decode_free_stateid_maxsz
, hdr
);
2017 encode_nfs4_stateid(xdr
, args
->stateid
);
2019 #endif /* CONFIG_NFS_V4_1 */
2022 * END OF "GENERIC" ENCODE ROUTINES.
2025 static u32
nfs4_xdr_minorversion(const struct nfs4_sequence_args
*args
)
2027 #if defined(CONFIG_NFS_V4_1)
2030 return args
->sa_slot
->table
->session
->clp
->cl_mvops
->minor_version
;
2031 #endif /* CONFIG_NFS_V4_1 */
2036 * Encode an ACCESS request
2038 static void nfs4_xdr_enc_access(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2039 const struct nfs4_accessargs
*args
)
2041 struct compound_hdr hdr
= {
2042 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2045 encode_compound_hdr(xdr
, req
, &hdr
);
2046 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2047 encode_putfh(xdr
, args
->fh
, &hdr
);
2048 encode_access(xdr
, args
->access
, &hdr
);
2049 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2054 * Encode LOOKUP request
2056 static void nfs4_xdr_enc_lookup(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2057 const struct nfs4_lookup_arg
*args
)
2059 struct compound_hdr hdr
= {
2060 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2063 encode_compound_hdr(xdr
, req
, &hdr
);
2064 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2065 encode_putfh(xdr
, args
->dir_fh
, &hdr
);
2066 encode_lookup(xdr
, args
->name
, &hdr
);
2067 encode_getfh(xdr
, &hdr
);
2068 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2073 * Encode LOOKUP_ROOT request
2075 static void nfs4_xdr_enc_lookup_root(struct rpc_rqst
*req
,
2076 struct xdr_stream
*xdr
,
2077 const struct nfs4_lookup_root_arg
*args
)
2079 struct compound_hdr hdr
= {
2080 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2083 encode_compound_hdr(xdr
, req
, &hdr
);
2084 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2085 encode_putrootfh(xdr
, &hdr
);
2086 encode_getfh(xdr
, &hdr
);
2087 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2092 * Encode REMOVE request
2094 static void nfs4_xdr_enc_remove(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2095 const struct nfs_removeargs
*args
)
2097 struct compound_hdr hdr
= {
2098 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2101 encode_compound_hdr(xdr
, req
, &hdr
);
2102 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2103 encode_putfh(xdr
, args
->fh
, &hdr
);
2104 encode_remove(xdr
, &args
->name
, &hdr
);
2109 * Encode RENAME request
2111 static void nfs4_xdr_enc_rename(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2112 const struct nfs_renameargs
*args
)
2114 struct compound_hdr hdr
= {
2115 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2118 encode_compound_hdr(xdr
, req
, &hdr
);
2119 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2120 encode_putfh(xdr
, args
->old_dir
, &hdr
);
2121 encode_savefh(xdr
, &hdr
);
2122 encode_putfh(xdr
, args
->new_dir
, &hdr
);
2123 encode_rename(xdr
, args
->old_name
, args
->new_name
, &hdr
);
2128 * Encode LINK request
2130 static void nfs4_xdr_enc_link(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2131 const struct nfs4_link_arg
*args
)
2133 struct compound_hdr hdr
= {
2134 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2137 encode_compound_hdr(xdr
, req
, &hdr
);
2138 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2139 encode_putfh(xdr
, args
->fh
, &hdr
);
2140 encode_savefh(xdr
, &hdr
);
2141 encode_putfh(xdr
, args
->dir_fh
, &hdr
);
2142 encode_link(xdr
, args
->name
, &hdr
);
2143 encode_restorefh(xdr
, &hdr
);
2144 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2149 * Encode CREATE request
2151 static void nfs4_xdr_enc_create(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2152 const struct nfs4_create_arg
*args
)
2154 struct compound_hdr hdr
= {
2155 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2158 encode_compound_hdr(xdr
, req
, &hdr
);
2159 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2160 encode_putfh(xdr
, args
->dir_fh
, &hdr
);
2161 encode_create(xdr
, args
, &hdr
);
2162 encode_getfh(xdr
, &hdr
);
2163 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2168 * Encode SYMLINK request
2170 static void nfs4_xdr_enc_symlink(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2171 const struct nfs4_create_arg
*args
)
2173 nfs4_xdr_enc_create(req
, xdr
, args
);
2177 * Encode GETATTR request
2179 static void nfs4_xdr_enc_getattr(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2180 const struct nfs4_getattr_arg
*args
)
2182 struct compound_hdr hdr
= {
2183 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2186 encode_compound_hdr(xdr
, req
, &hdr
);
2187 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2188 encode_putfh(xdr
, args
->fh
, &hdr
);
2189 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2194 * Encode a CLOSE request
2196 static void nfs4_xdr_enc_close(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2197 struct nfs_closeargs
*args
)
2199 struct compound_hdr hdr
= {
2200 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2203 encode_compound_hdr(xdr
, req
, &hdr
);
2204 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2205 encode_putfh(xdr
, args
->fh
, &hdr
);
2206 encode_close(xdr
, args
, &hdr
);
2207 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2212 * Encode an OPEN request
2214 static void nfs4_xdr_enc_open(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2215 struct nfs_openargs
*args
)
2217 struct compound_hdr hdr
= {
2218 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2221 encode_compound_hdr(xdr
, req
, &hdr
);
2222 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2223 encode_putfh(xdr
, args
->fh
, &hdr
);
2224 encode_open(xdr
, args
, &hdr
);
2225 encode_getfh(xdr
, &hdr
);
2227 encode_access(xdr
, args
->access
, &hdr
);
2228 encode_getfattr_open(xdr
, args
->bitmask
, args
->open_bitmap
, &hdr
);
2233 * Encode an OPEN_CONFIRM request
2235 static void nfs4_xdr_enc_open_confirm(struct rpc_rqst
*req
,
2236 struct xdr_stream
*xdr
,
2237 struct nfs_open_confirmargs
*args
)
2239 struct compound_hdr hdr
= {
2243 encode_compound_hdr(xdr
, req
, &hdr
);
2244 encode_putfh(xdr
, args
->fh
, &hdr
);
2245 encode_open_confirm(xdr
, args
, &hdr
);
2250 * Encode an OPEN request with no attributes.
2252 static void nfs4_xdr_enc_open_noattr(struct rpc_rqst
*req
,
2253 struct xdr_stream
*xdr
,
2254 struct nfs_openargs
*args
)
2256 struct compound_hdr hdr
= {
2257 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2260 encode_compound_hdr(xdr
, req
, &hdr
);
2261 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2262 encode_putfh(xdr
, args
->fh
, &hdr
);
2263 encode_open(xdr
, args
, &hdr
);
2265 encode_access(xdr
, args
->access
, &hdr
);
2266 encode_getfattr_open(xdr
, args
->bitmask
, args
->open_bitmap
, &hdr
);
2271 * Encode an OPEN_DOWNGRADE request
2273 static void nfs4_xdr_enc_open_downgrade(struct rpc_rqst
*req
,
2274 struct xdr_stream
*xdr
,
2275 struct nfs_closeargs
*args
)
2277 struct compound_hdr hdr
= {
2278 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2281 encode_compound_hdr(xdr
, req
, &hdr
);
2282 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2283 encode_putfh(xdr
, args
->fh
, &hdr
);
2284 encode_open_downgrade(xdr
, args
, &hdr
);
2285 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2290 * Encode a LOCK request
2292 static void nfs4_xdr_enc_lock(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2293 struct nfs_lock_args
*args
)
2295 struct compound_hdr hdr
= {
2296 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2299 encode_compound_hdr(xdr
, req
, &hdr
);
2300 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2301 encode_putfh(xdr
, args
->fh
, &hdr
);
2302 encode_lock(xdr
, args
, &hdr
);
2307 * Encode a LOCKT request
2309 static void nfs4_xdr_enc_lockt(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2310 struct nfs_lockt_args
*args
)
2312 struct compound_hdr hdr
= {
2313 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2316 encode_compound_hdr(xdr
, req
, &hdr
);
2317 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2318 encode_putfh(xdr
, args
->fh
, &hdr
);
2319 encode_lockt(xdr
, args
, &hdr
);
2324 * Encode a LOCKU request
2326 static void nfs4_xdr_enc_locku(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2327 struct nfs_locku_args
*args
)
2329 struct compound_hdr hdr
= {
2330 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2333 encode_compound_hdr(xdr
, req
, &hdr
);
2334 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2335 encode_putfh(xdr
, args
->fh
, &hdr
);
2336 encode_locku(xdr
, args
, &hdr
);
2340 static void nfs4_xdr_enc_release_lockowner(struct rpc_rqst
*req
,
2341 struct xdr_stream
*xdr
,
2342 struct nfs_release_lockowner_args
*args
)
2344 struct compound_hdr hdr
= {
2348 encode_compound_hdr(xdr
, req
, &hdr
);
2349 encode_release_lockowner(xdr
, &args
->lock_owner
, &hdr
);
2354 * Encode a READLINK request
2356 static void nfs4_xdr_enc_readlink(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2357 const struct nfs4_readlink
*args
)
2359 struct compound_hdr hdr
= {
2360 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2363 encode_compound_hdr(xdr
, req
, &hdr
);
2364 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2365 encode_putfh(xdr
, args
->fh
, &hdr
);
2366 encode_readlink(xdr
, args
, req
, &hdr
);
2368 xdr_inline_pages(&req
->rq_rcv_buf
, hdr
.replen
<< 2, args
->pages
,
2369 args
->pgbase
, args
->pglen
);
2374 * Encode a READDIR request
2376 static void nfs4_xdr_enc_readdir(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2377 const struct nfs4_readdir_arg
*args
)
2379 struct compound_hdr hdr
= {
2380 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2383 encode_compound_hdr(xdr
, req
, &hdr
);
2384 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2385 encode_putfh(xdr
, args
->fh
, &hdr
);
2386 encode_readdir(xdr
, args
, req
, &hdr
);
2388 xdr_inline_pages(&req
->rq_rcv_buf
, hdr
.replen
<< 2, args
->pages
,
2389 args
->pgbase
, args
->count
);
2390 dprintk("%s: inlined page args = (%u, %p, %u, %u)\n",
2391 __func__
, hdr
.replen
<< 2, args
->pages
,
2392 args
->pgbase
, args
->count
);
2397 * Encode a READ request
2399 static void nfs4_xdr_enc_read(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2400 struct nfs_readargs
*args
)
2402 struct compound_hdr hdr
= {
2403 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2406 encode_compound_hdr(xdr
, req
, &hdr
);
2407 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2408 encode_putfh(xdr
, args
->fh
, &hdr
);
2409 encode_read(xdr
, args
, &hdr
);
2411 xdr_inline_pages(&req
->rq_rcv_buf
, hdr
.replen
<< 2,
2412 args
->pages
, args
->pgbase
, args
->count
);
2413 req
->rq_rcv_buf
.flags
|= XDRBUF_READ
;
2418 * Encode an SETATTR request
2420 static void nfs4_xdr_enc_setattr(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2421 struct nfs_setattrargs
*args
)
2423 struct compound_hdr hdr
= {
2424 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2427 encode_compound_hdr(xdr
, req
, &hdr
);
2428 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2429 encode_putfh(xdr
, args
->fh
, &hdr
);
2430 encode_setattr(xdr
, args
, args
->server
, &hdr
);
2431 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2436 * Encode a GETACL request
2438 static void nfs4_xdr_enc_getacl(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2439 struct nfs_getaclargs
*args
)
2441 struct compound_hdr hdr
= {
2442 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2446 encode_compound_hdr(xdr
, req
, &hdr
);
2447 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2448 encode_putfh(xdr
, args
->fh
, &hdr
);
2449 replen
= hdr
.replen
+ op_decode_hdr_maxsz
+ 1;
2450 encode_getattr_two(xdr
, FATTR4_WORD0_ACL
, 0, &hdr
);
2452 xdr_inline_pages(&req
->rq_rcv_buf
, replen
<< 2,
2453 args
->acl_pages
, args
->acl_pgbase
, args
->acl_len
);
2459 * Encode a WRITE request
2461 static void nfs4_xdr_enc_write(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2462 struct nfs_writeargs
*args
)
2464 struct compound_hdr hdr
= {
2465 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2468 encode_compound_hdr(xdr
, req
, &hdr
);
2469 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2470 encode_putfh(xdr
, args
->fh
, &hdr
);
2471 encode_write(xdr
, args
, &hdr
);
2472 req
->rq_snd_buf
.flags
|= XDRBUF_WRITE
;
2474 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2481 static void nfs4_xdr_enc_commit(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2482 struct nfs_commitargs
*args
)
2484 struct compound_hdr hdr
= {
2485 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2488 encode_compound_hdr(xdr
, req
, &hdr
);
2489 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2490 encode_putfh(xdr
, args
->fh
, &hdr
);
2491 encode_commit(xdr
, args
, &hdr
);
2498 static void nfs4_xdr_enc_fsinfo(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2499 struct nfs4_fsinfo_arg
*args
)
2501 struct compound_hdr hdr
= {
2502 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2505 encode_compound_hdr(xdr
, req
, &hdr
);
2506 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2507 encode_putfh(xdr
, args
->fh
, &hdr
);
2508 encode_fsinfo(xdr
, args
->bitmask
, &hdr
);
2513 * a PATHCONF request
2515 static void nfs4_xdr_enc_pathconf(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2516 const struct nfs4_pathconf_arg
*args
)
2518 struct compound_hdr hdr
= {
2519 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2522 encode_compound_hdr(xdr
, req
, &hdr
);
2523 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2524 encode_putfh(xdr
, args
->fh
, &hdr
);
2525 encode_getattr_one(xdr
, args
->bitmask
[0] & nfs4_pathconf_bitmap
[0],
2533 static void nfs4_xdr_enc_statfs(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2534 const struct nfs4_statfs_arg
*args
)
2536 struct compound_hdr hdr
= {
2537 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2540 encode_compound_hdr(xdr
, req
, &hdr
);
2541 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2542 encode_putfh(xdr
, args
->fh
, &hdr
);
2543 encode_getattr_two(xdr
, args
->bitmask
[0] & nfs4_statfs_bitmap
[0],
2544 args
->bitmask
[1] & nfs4_statfs_bitmap
[1], &hdr
);
2549 * GETATTR_BITMAP request
2551 static void nfs4_xdr_enc_server_caps(struct rpc_rqst
*req
,
2552 struct xdr_stream
*xdr
,
2553 struct nfs4_server_caps_arg
*args
)
2555 struct compound_hdr hdr
= {
2556 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2559 encode_compound_hdr(xdr
, req
, &hdr
);
2560 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2561 encode_putfh(xdr
, args
->fhandle
, &hdr
);
2562 encode_getattr_one(xdr
, FATTR4_WORD0_SUPPORTED_ATTRS
|
2563 FATTR4_WORD0_FH_EXPIRE_TYPE
|
2564 FATTR4_WORD0_LINK_SUPPORT
|
2565 FATTR4_WORD0_SYMLINK_SUPPORT
|
2566 FATTR4_WORD0_ACLSUPPORT
, &hdr
);
2573 static void nfs4_xdr_enc_renew(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2574 struct nfs_client
*clp
)
2576 struct compound_hdr hdr
= {
2580 encode_compound_hdr(xdr
, req
, &hdr
);
2581 encode_renew(xdr
, clp
->cl_clientid
, &hdr
);
2586 * a SETCLIENTID request
2588 static void nfs4_xdr_enc_setclientid(struct rpc_rqst
*req
,
2589 struct xdr_stream
*xdr
,
2590 struct nfs4_setclientid
*sc
)
2592 struct compound_hdr hdr
= {
2596 encode_compound_hdr(xdr
, req
, &hdr
);
2597 encode_setclientid(xdr
, sc
, &hdr
);
2602 * a SETCLIENTID_CONFIRM request
2604 static void nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst
*req
,
2605 struct xdr_stream
*xdr
,
2606 struct nfs4_setclientid_res
*arg
)
2608 struct compound_hdr hdr
= {
2611 const u32 lease_bitmap
[3] = { FATTR4_WORD0_LEASE_TIME
};
2613 encode_compound_hdr(xdr
, req
, &hdr
);
2614 encode_setclientid_confirm(xdr
, arg
, &hdr
);
2615 encode_putrootfh(xdr
, &hdr
);
2616 encode_fsinfo(xdr
, lease_bitmap
, &hdr
);
2621 * DELEGRETURN request
2623 static void nfs4_xdr_enc_delegreturn(struct rpc_rqst
*req
,
2624 struct xdr_stream
*xdr
,
2625 const struct nfs4_delegreturnargs
*args
)
2627 struct compound_hdr hdr
= {
2628 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2631 encode_compound_hdr(xdr
, req
, &hdr
);
2632 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2633 encode_putfh(xdr
, args
->fhandle
, &hdr
);
2634 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2635 encode_delegreturn(xdr
, args
->stateid
, &hdr
);
2640 * Encode FS_LOCATIONS request
2642 static void nfs4_xdr_enc_fs_locations(struct rpc_rqst
*req
,
2643 struct xdr_stream
*xdr
,
2644 struct nfs4_fs_locations_arg
*args
)
2646 struct compound_hdr hdr
= {
2647 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2651 encode_compound_hdr(xdr
, req
, &hdr
);
2652 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2653 encode_putfh(xdr
, args
->dir_fh
, &hdr
);
2654 encode_lookup(xdr
, args
->name
, &hdr
);
2655 replen
= hdr
.replen
; /* get the attribute into args->page */
2656 encode_fs_locations(xdr
, args
->bitmask
, &hdr
);
2658 xdr_inline_pages(&req
->rq_rcv_buf
, replen
<< 2, &args
->page
,
2664 * Encode SECINFO request
2666 static void nfs4_xdr_enc_secinfo(struct rpc_rqst
*req
,
2667 struct xdr_stream
*xdr
,
2668 struct nfs4_secinfo_arg
*args
)
2670 struct compound_hdr hdr
= {
2671 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2674 encode_compound_hdr(xdr
, req
, &hdr
);
2675 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2676 encode_putfh(xdr
, args
->dir_fh
, &hdr
);
2677 encode_secinfo(xdr
, args
->name
, &hdr
);
2681 #if defined(CONFIG_NFS_V4_1)
2683 * BIND_CONN_TO_SESSION request
2685 static void nfs4_xdr_enc_bind_conn_to_session(struct rpc_rqst
*req
,
2686 struct xdr_stream
*xdr
,
2687 struct nfs_client
*clp
)
2689 struct compound_hdr hdr
= {
2690 .minorversion
= clp
->cl_mvops
->minor_version
,
2693 encode_compound_hdr(xdr
, req
, &hdr
);
2694 encode_bind_conn_to_session(xdr
, clp
->cl_session
, &hdr
);
2699 * EXCHANGE_ID request
2701 static void nfs4_xdr_enc_exchange_id(struct rpc_rqst
*req
,
2702 struct xdr_stream
*xdr
,
2703 struct nfs41_exchange_id_args
*args
)
2705 struct compound_hdr hdr
= {
2706 .minorversion
= args
->client
->cl_mvops
->minor_version
,
2709 encode_compound_hdr(xdr
, req
, &hdr
);
2710 encode_exchange_id(xdr
, args
, &hdr
);
2715 * a CREATE_SESSION request
2717 static void nfs4_xdr_enc_create_session(struct rpc_rqst
*req
,
2718 struct xdr_stream
*xdr
,
2719 struct nfs41_create_session_args
*args
)
2721 struct compound_hdr hdr
= {
2722 .minorversion
= args
->client
->cl_mvops
->minor_version
,
2725 encode_compound_hdr(xdr
, req
, &hdr
);
2726 encode_create_session(xdr
, args
, &hdr
);
2731 * a DESTROY_SESSION request
2733 static void nfs4_xdr_enc_destroy_session(struct rpc_rqst
*req
,
2734 struct xdr_stream
*xdr
,
2735 struct nfs4_session
*session
)
2737 struct compound_hdr hdr
= {
2738 .minorversion
= session
->clp
->cl_mvops
->minor_version
,
2741 encode_compound_hdr(xdr
, req
, &hdr
);
2742 encode_destroy_session(xdr
, session
, &hdr
);
2747 * a DESTROY_CLIENTID request
2749 static void nfs4_xdr_enc_destroy_clientid(struct rpc_rqst
*req
,
2750 struct xdr_stream
*xdr
,
2751 struct nfs_client
*clp
)
2753 struct compound_hdr hdr
= {
2754 .minorversion
= clp
->cl_mvops
->minor_version
,
2757 encode_compound_hdr(xdr
, req
, &hdr
);
2758 encode_destroy_clientid(xdr
, clp
->cl_clientid
, &hdr
);
2763 * a SEQUENCE request
2765 static void nfs4_xdr_enc_sequence(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2766 struct nfs4_sequence_args
*args
)
2768 struct compound_hdr hdr
= {
2769 .minorversion
= nfs4_xdr_minorversion(args
),
2772 encode_compound_hdr(xdr
, req
, &hdr
);
2773 encode_sequence(xdr
, args
, &hdr
);
2778 * a GET_LEASE_TIME request
2780 static void nfs4_xdr_enc_get_lease_time(struct rpc_rqst
*req
,
2781 struct xdr_stream
*xdr
,
2782 struct nfs4_get_lease_time_args
*args
)
2784 struct compound_hdr hdr
= {
2785 .minorversion
= nfs4_xdr_minorversion(&args
->la_seq_args
),
2787 const u32 lease_bitmap
[3] = { FATTR4_WORD0_LEASE_TIME
};
2789 encode_compound_hdr(xdr
, req
, &hdr
);
2790 encode_sequence(xdr
, &args
->la_seq_args
, &hdr
);
2791 encode_putrootfh(xdr
, &hdr
);
2792 encode_fsinfo(xdr
, lease_bitmap
, &hdr
);
2797 * a RECLAIM_COMPLETE request
2799 static void nfs4_xdr_enc_reclaim_complete(struct rpc_rqst
*req
,
2800 struct xdr_stream
*xdr
,
2801 struct nfs41_reclaim_complete_args
*args
)
2803 struct compound_hdr hdr
= {
2804 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
)
2807 encode_compound_hdr(xdr
, req
, &hdr
);
2808 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2809 encode_reclaim_complete(xdr
, args
, &hdr
);
2814 * Encode GETDEVICELIST request
2816 static void nfs4_xdr_enc_getdevicelist(struct rpc_rqst
*req
,
2817 struct xdr_stream
*xdr
,
2818 struct nfs4_getdevicelist_args
*args
)
2820 struct compound_hdr hdr
= {
2821 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2824 encode_compound_hdr(xdr
, req
, &hdr
);
2825 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2826 encode_putfh(xdr
, args
->fh
, &hdr
);
2827 encode_getdevicelist(xdr
, args
, &hdr
);
2832 * Encode GETDEVICEINFO request
2834 static void nfs4_xdr_enc_getdeviceinfo(struct rpc_rqst
*req
,
2835 struct xdr_stream
*xdr
,
2836 struct nfs4_getdeviceinfo_args
*args
)
2838 struct compound_hdr hdr
= {
2839 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2842 encode_compound_hdr(xdr
, req
, &hdr
);
2843 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2844 encode_getdeviceinfo(xdr
, args
, &hdr
);
2846 /* set up reply kvec. Subtract notification bitmap max size (2)
2847 * so that notification bitmap is put in xdr_buf tail */
2848 xdr_inline_pages(&req
->rq_rcv_buf
, (hdr
.replen
- 2) << 2,
2849 args
->pdev
->pages
, args
->pdev
->pgbase
,
2856 * Encode LAYOUTGET request
2858 static void nfs4_xdr_enc_layoutget(struct rpc_rqst
*req
,
2859 struct xdr_stream
*xdr
,
2860 struct nfs4_layoutget_args
*args
)
2862 struct compound_hdr hdr
= {
2863 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2866 encode_compound_hdr(xdr
, req
, &hdr
);
2867 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2868 encode_putfh(xdr
, NFS_FH(args
->inode
), &hdr
);
2869 encode_layoutget(xdr
, args
, &hdr
);
2871 xdr_inline_pages(&req
->rq_rcv_buf
, hdr
.replen
<< 2,
2872 args
->layout
.pages
, 0, args
->layout
.pglen
);
2878 * Encode LAYOUTCOMMIT request
2880 static void nfs4_xdr_enc_layoutcommit(struct rpc_rqst
*req
,
2881 struct xdr_stream
*xdr
,
2882 struct nfs4_layoutcommit_args
*args
)
2884 struct nfs4_layoutcommit_data
*data
=
2885 container_of(args
, struct nfs4_layoutcommit_data
, args
);
2886 struct compound_hdr hdr
= {
2887 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2890 encode_compound_hdr(xdr
, req
, &hdr
);
2891 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2892 encode_putfh(xdr
, NFS_FH(args
->inode
), &hdr
);
2893 encode_layoutcommit(xdr
, data
->args
.inode
, args
, &hdr
);
2894 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2899 * Encode LAYOUTRETURN request
2901 static void nfs4_xdr_enc_layoutreturn(struct rpc_rqst
*req
,
2902 struct xdr_stream
*xdr
,
2903 struct nfs4_layoutreturn_args
*args
)
2905 struct compound_hdr hdr
= {
2906 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2909 encode_compound_hdr(xdr
, req
, &hdr
);
2910 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2911 encode_putfh(xdr
, NFS_FH(args
->inode
), &hdr
);
2912 encode_layoutreturn(xdr
, args
, &hdr
);
2917 * Encode SECINFO_NO_NAME request
2919 static int nfs4_xdr_enc_secinfo_no_name(struct rpc_rqst
*req
,
2920 struct xdr_stream
*xdr
,
2921 struct nfs41_secinfo_no_name_args
*args
)
2923 struct compound_hdr hdr
= {
2924 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2927 encode_compound_hdr(xdr
, req
, &hdr
);
2928 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2929 encode_putrootfh(xdr
, &hdr
);
2930 encode_secinfo_no_name(xdr
, args
, &hdr
);
2936 * Encode TEST_STATEID request
2938 static void nfs4_xdr_enc_test_stateid(struct rpc_rqst
*req
,
2939 struct xdr_stream
*xdr
,
2940 struct nfs41_test_stateid_args
*args
)
2942 struct compound_hdr hdr
= {
2943 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2946 encode_compound_hdr(xdr
, req
, &hdr
);
2947 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2948 encode_test_stateid(xdr
, args
, &hdr
);
2953 * Encode FREE_STATEID request
2955 static void nfs4_xdr_enc_free_stateid(struct rpc_rqst
*req
,
2956 struct xdr_stream
*xdr
,
2957 struct nfs41_free_stateid_args
*args
)
2959 struct compound_hdr hdr
= {
2960 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2963 encode_compound_hdr(xdr
, req
, &hdr
);
2964 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2965 encode_free_stateid(xdr
, args
, &hdr
);
2968 #endif /* CONFIG_NFS_V4_1 */
2970 static void print_overflow_msg(const char *func
, const struct xdr_stream
*xdr
)
2972 dprintk("nfs: %s: prematurely hit end of receive buffer. "
2973 "Remaining buffer length is %tu words.\n",
2974 func
, xdr
->end
- xdr
->p
);
2977 static int decode_opaque_inline(struct xdr_stream
*xdr
, unsigned int *len
, char **string
)
2981 p
= xdr_inline_decode(xdr
, 4);
2984 *len
= be32_to_cpup(p
);
2985 p
= xdr_inline_decode(xdr
, *len
);
2988 *string
= (char *)p
;
2991 print_overflow_msg(__func__
, xdr
);
2995 static int decode_compound_hdr(struct xdr_stream
*xdr
, struct compound_hdr
*hdr
)
2999 p
= xdr_inline_decode(xdr
, 8);
3002 hdr
->status
= be32_to_cpup(p
++);
3003 hdr
->taglen
= be32_to_cpup(p
);
3005 p
= xdr_inline_decode(xdr
, hdr
->taglen
+ 4);
3008 hdr
->tag
= (char *)p
;
3009 p
+= XDR_QUADLEN(hdr
->taglen
);
3010 hdr
->nops
= be32_to_cpup(p
);
3011 if (unlikely(hdr
->nops
< 1))
3012 return nfs4_stat_to_errno(hdr
->status
);
3015 print_overflow_msg(__func__
, xdr
);
3019 static int decode_op_hdr(struct xdr_stream
*xdr
, enum nfs_opnum4 expected
)
3025 p
= xdr_inline_decode(xdr
, 8);
3028 opnum
= be32_to_cpup(p
++);
3029 if (opnum
!= expected
) {
3030 dprintk("nfs: Server returned operation"
3031 " %d but we issued a request for %d\n",
3035 nfserr
= be32_to_cpup(p
);
3036 if (nfserr
!= NFS_OK
)
3037 return nfs4_stat_to_errno(nfserr
);
3040 print_overflow_msg(__func__
, xdr
);
3045 static int decode_ace(struct xdr_stream
*xdr
, void *ace
, struct nfs_client
*clp
)
3048 unsigned int strlen
;
3051 p
= xdr_inline_decode(xdr
, 12);
3053 return decode_opaque_inline(xdr
, &strlen
, &str
);
3054 print_overflow_msg(__func__
, xdr
);
3058 static int decode_attr_bitmap(struct xdr_stream
*xdr
, uint32_t *bitmap
)
3063 p
= xdr_inline_decode(xdr
, 4);
3066 bmlen
= be32_to_cpup(p
);
3068 bitmap
[0] = bitmap
[1] = bitmap
[2] = 0;
3069 p
= xdr_inline_decode(xdr
, (bmlen
<< 2));
3073 bitmap
[0] = be32_to_cpup(p
++);
3075 bitmap
[1] = be32_to_cpup(p
++);
3077 bitmap
[2] = be32_to_cpup(p
);
3082 print_overflow_msg(__func__
, xdr
);
3086 static int decode_attr_length(struct xdr_stream
*xdr
, uint32_t *attrlen
, unsigned int *savep
)
3090 p
= xdr_inline_decode(xdr
, 4);
3093 *attrlen
= be32_to_cpup(p
);
3094 *savep
= xdr_stream_pos(xdr
);
3097 print_overflow_msg(__func__
, xdr
);
3101 static int decode_attr_supported(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *bitmask
)
3103 if (likely(bitmap
[0] & FATTR4_WORD0_SUPPORTED_ATTRS
)) {
3105 ret
= decode_attr_bitmap(xdr
, bitmask
);
3106 if (unlikely(ret
< 0))
3108 bitmap
[0] &= ~FATTR4_WORD0_SUPPORTED_ATTRS
;
3110 bitmask
[0] = bitmask
[1] = bitmask
[2] = 0;
3111 dprintk("%s: bitmask=%08x:%08x:%08x\n", __func__
,
3112 bitmask
[0], bitmask
[1], bitmask
[2]);
3116 static int decode_attr_type(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *type
)
3122 if (unlikely(bitmap
[0] & (FATTR4_WORD0_TYPE
- 1U)))
3124 if (likely(bitmap
[0] & FATTR4_WORD0_TYPE
)) {
3125 p
= xdr_inline_decode(xdr
, 4);
3128 *type
= be32_to_cpup(p
);
3129 if (*type
< NF4REG
|| *type
> NF4NAMEDATTR
) {
3130 dprintk("%s: bad type %d\n", __func__
, *type
);
3133 bitmap
[0] &= ~FATTR4_WORD0_TYPE
;
3134 ret
= NFS_ATTR_FATTR_TYPE
;
3136 dprintk("%s: type=0%o\n", __func__
, nfs_type2fmt
[*type
]);
3139 print_overflow_msg(__func__
, xdr
);
3143 static int decode_attr_fh_expire_type(struct xdr_stream
*xdr
,
3144 uint32_t *bitmap
, uint32_t *type
)
3149 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FH_EXPIRE_TYPE
- 1U)))
3151 if (likely(bitmap
[0] & FATTR4_WORD0_FH_EXPIRE_TYPE
)) {
3152 p
= xdr_inline_decode(xdr
, 4);
3155 *type
= be32_to_cpup(p
);
3156 bitmap
[0] &= ~FATTR4_WORD0_FH_EXPIRE_TYPE
;
3158 dprintk("%s: expire type=0x%x\n", __func__
, *type
);
3161 print_overflow_msg(__func__
, xdr
);
3165 static int decode_attr_change(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *change
)
3171 if (unlikely(bitmap
[0] & (FATTR4_WORD0_CHANGE
- 1U)))
3173 if (likely(bitmap
[0] & FATTR4_WORD0_CHANGE
)) {
3174 p
= xdr_inline_decode(xdr
, 8);
3177 xdr_decode_hyper(p
, change
);
3178 bitmap
[0] &= ~FATTR4_WORD0_CHANGE
;
3179 ret
= NFS_ATTR_FATTR_CHANGE
;
3181 dprintk("%s: change attribute=%Lu\n", __func__
,
3182 (unsigned long long)*change
);
3185 print_overflow_msg(__func__
, xdr
);
3189 static int decode_attr_size(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *size
)
3195 if (unlikely(bitmap
[0] & (FATTR4_WORD0_SIZE
- 1U)))
3197 if (likely(bitmap
[0] & FATTR4_WORD0_SIZE
)) {
3198 p
= xdr_inline_decode(xdr
, 8);
3201 xdr_decode_hyper(p
, size
);
3202 bitmap
[0] &= ~FATTR4_WORD0_SIZE
;
3203 ret
= NFS_ATTR_FATTR_SIZE
;
3205 dprintk("%s: file size=%Lu\n", __func__
, (unsigned long long)*size
);
3208 print_overflow_msg(__func__
, xdr
);
3212 static int decode_attr_link_support(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *res
)
3217 if (unlikely(bitmap
[0] & (FATTR4_WORD0_LINK_SUPPORT
- 1U)))
3219 if (likely(bitmap
[0] & FATTR4_WORD0_LINK_SUPPORT
)) {
3220 p
= xdr_inline_decode(xdr
, 4);
3223 *res
= be32_to_cpup(p
);
3224 bitmap
[0] &= ~FATTR4_WORD0_LINK_SUPPORT
;
3226 dprintk("%s: link support=%s\n", __func__
, *res
== 0 ? "false" : "true");
3229 print_overflow_msg(__func__
, xdr
);
3233 static int decode_attr_symlink_support(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *res
)
3238 if (unlikely(bitmap
[0] & (FATTR4_WORD0_SYMLINK_SUPPORT
- 1U)))
3240 if (likely(bitmap
[0] & FATTR4_WORD0_SYMLINK_SUPPORT
)) {
3241 p
= xdr_inline_decode(xdr
, 4);
3244 *res
= be32_to_cpup(p
);
3245 bitmap
[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT
;
3247 dprintk("%s: symlink support=%s\n", __func__
, *res
== 0 ? "false" : "true");
3250 print_overflow_msg(__func__
, xdr
);
3254 static int decode_attr_fsid(struct xdr_stream
*xdr
, uint32_t *bitmap
, struct nfs_fsid
*fsid
)
3261 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FSID
- 1U)))
3263 if (likely(bitmap
[0] & FATTR4_WORD0_FSID
)) {
3264 p
= xdr_inline_decode(xdr
, 16);
3267 p
= xdr_decode_hyper(p
, &fsid
->major
);
3268 xdr_decode_hyper(p
, &fsid
->minor
);
3269 bitmap
[0] &= ~FATTR4_WORD0_FSID
;
3270 ret
= NFS_ATTR_FATTR_FSID
;
3272 dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __func__
,
3273 (unsigned long long)fsid
->major
,
3274 (unsigned long long)fsid
->minor
);
3277 print_overflow_msg(__func__
, xdr
);
3281 static int decode_attr_lease_time(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *res
)
3286 if (unlikely(bitmap
[0] & (FATTR4_WORD0_LEASE_TIME
- 1U)))
3288 if (likely(bitmap
[0] & FATTR4_WORD0_LEASE_TIME
)) {
3289 p
= xdr_inline_decode(xdr
, 4);
3292 *res
= be32_to_cpup(p
);
3293 bitmap
[0] &= ~FATTR4_WORD0_LEASE_TIME
;
3295 dprintk("%s: file size=%u\n", __func__
, (unsigned int)*res
);
3298 print_overflow_msg(__func__
, xdr
);
3302 static int decode_attr_error(struct xdr_stream
*xdr
, uint32_t *bitmap
, int32_t *res
)
3306 if (unlikely(bitmap
[0] & (FATTR4_WORD0_RDATTR_ERROR
- 1U)))
3308 if (likely(bitmap
[0] & FATTR4_WORD0_RDATTR_ERROR
)) {
3309 p
= xdr_inline_decode(xdr
, 4);
3312 bitmap
[0] &= ~FATTR4_WORD0_RDATTR_ERROR
;
3313 *res
= -be32_to_cpup(p
);
3317 print_overflow_msg(__func__
, xdr
);
3321 static int decode_attr_filehandle(struct xdr_stream
*xdr
, uint32_t *bitmap
, struct nfs_fh
*fh
)
3327 memset(fh
, 0, sizeof(*fh
));
3329 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FILEHANDLE
- 1U)))
3331 if (likely(bitmap
[0] & FATTR4_WORD0_FILEHANDLE
)) {
3332 p
= xdr_inline_decode(xdr
, 4);
3335 len
= be32_to_cpup(p
);
3336 if (len
> NFS4_FHSIZE
)
3338 p
= xdr_inline_decode(xdr
, len
);
3342 memcpy(fh
->data
, p
, len
);
3345 bitmap
[0] &= ~FATTR4_WORD0_FILEHANDLE
;
3349 print_overflow_msg(__func__
, xdr
);
3353 static int decode_attr_aclsupport(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *res
)
3357 *res
= ACL4_SUPPORT_ALLOW_ACL
|ACL4_SUPPORT_DENY_ACL
;
3358 if (unlikely(bitmap
[0] & (FATTR4_WORD0_ACLSUPPORT
- 1U)))
3360 if (likely(bitmap
[0] & FATTR4_WORD0_ACLSUPPORT
)) {
3361 p
= xdr_inline_decode(xdr
, 4);
3364 *res
= be32_to_cpup(p
);
3365 bitmap
[0] &= ~FATTR4_WORD0_ACLSUPPORT
;
3367 dprintk("%s: ACLs supported=%u\n", __func__
, (unsigned int)*res
);
3370 print_overflow_msg(__func__
, xdr
);
3374 static int decode_attr_fileid(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *fileid
)
3380 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FILEID
- 1U)))
3382 if (likely(bitmap
[0] & FATTR4_WORD0_FILEID
)) {
3383 p
= xdr_inline_decode(xdr
, 8);
3386 xdr_decode_hyper(p
, fileid
);
3387 bitmap
[0] &= ~FATTR4_WORD0_FILEID
;
3388 ret
= NFS_ATTR_FATTR_FILEID
;
3390 dprintk("%s: fileid=%Lu\n", __func__
, (unsigned long long)*fileid
);
3393 print_overflow_msg(__func__
, xdr
);
3397 static int decode_attr_mounted_on_fileid(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *fileid
)
3403 if (unlikely(bitmap
[1] & (FATTR4_WORD1_MOUNTED_ON_FILEID
- 1U)))
3405 if (likely(bitmap
[1] & FATTR4_WORD1_MOUNTED_ON_FILEID
)) {
3406 p
= xdr_inline_decode(xdr
, 8);
3409 xdr_decode_hyper(p
, fileid
);
3410 bitmap
[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID
;
3411 ret
= NFS_ATTR_FATTR_MOUNTED_ON_FILEID
;
3413 dprintk("%s: fileid=%Lu\n", __func__
, (unsigned long long)*fileid
);
3416 print_overflow_msg(__func__
, xdr
);
3420 static int decode_attr_files_avail(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
3426 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FILES_AVAIL
- 1U)))
3428 if (likely(bitmap
[0] & FATTR4_WORD0_FILES_AVAIL
)) {
3429 p
= xdr_inline_decode(xdr
, 8);
3432 xdr_decode_hyper(p
, res
);
3433 bitmap
[0] &= ~FATTR4_WORD0_FILES_AVAIL
;
3435 dprintk("%s: files avail=%Lu\n", __func__
, (unsigned long long)*res
);
3438 print_overflow_msg(__func__
, xdr
);
3442 static int decode_attr_files_free(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
3448 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FILES_FREE
- 1U)))
3450 if (likely(bitmap
[0] & FATTR4_WORD0_FILES_FREE
)) {
3451 p
= xdr_inline_decode(xdr
, 8);
3454 xdr_decode_hyper(p
, res
);
3455 bitmap
[0] &= ~FATTR4_WORD0_FILES_FREE
;
3457 dprintk("%s: files free=%Lu\n", __func__
, (unsigned long long)*res
);
3460 print_overflow_msg(__func__
, xdr
);
3464 static int decode_attr_files_total(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
3470 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FILES_TOTAL
- 1U)))
3472 if (likely(bitmap
[0] & FATTR4_WORD0_FILES_TOTAL
)) {
3473 p
= xdr_inline_decode(xdr
, 8);
3476 xdr_decode_hyper(p
, res
);
3477 bitmap
[0] &= ~FATTR4_WORD0_FILES_TOTAL
;
3479 dprintk("%s: files total=%Lu\n", __func__
, (unsigned long long)*res
);
3482 print_overflow_msg(__func__
, xdr
);
3486 static int decode_pathname(struct xdr_stream
*xdr
, struct nfs4_pathname
*path
)
3492 p
= xdr_inline_decode(xdr
, 4);
3495 n
= be32_to_cpup(p
);
3498 dprintk("pathname4: ");
3499 if (n
> NFS4_PATHNAME_MAXCOMPONENTS
) {
3500 dprintk("cannot parse %d components in path\n", n
);
3503 for (path
->ncomponents
= 0; path
->ncomponents
< n
; path
->ncomponents
++) {
3504 struct nfs4_string
*component
= &path
->components
[path
->ncomponents
];
3505 status
= decode_opaque_inline(xdr
, &component
->len
, &component
->data
);
3506 if (unlikely(status
!= 0))
3510 (path
->ncomponents
!= n
? "/ " : ""),
3511 component
->len
, component
->data
);
3516 /* a root pathname is sent as a zero component4 */
3517 path
->ncomponents
= 1;
3518 path
->components
[0].len
=0;
3519 path
->components
[0].data
=NULL
;
3520 dprintk("pathname4: /\n");
3523 dprintk(" status %d", status
);
3527 print_overflow_msg(__func__
, xdr
);
3531 static int decode_attr_fs_locations(struct xdr_stream
*xdr
, uint32_t *bitmap
, struct nfs4_fs_locations
*res
)
3537 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FS_LOCATIONS
-1U)))
3540 if (unlikely(!(bitmap
[0] & FATTR4_WORD0_FS_LOCATIONS
)))
3543 /* Ignore borken servers that return unrequested attrs */
3544 if (unlikely(res
== NULL
))
3546 dprintk("%s: fsroot:\n", __func__
);
3547 status
= decode_pathname(xdr
, &res
->fs_path
);
3548 if (unlikely(status
!= 0))
3550 p
= xdr_inline_decode(xdr
, 4);
3553 n
= be32_to_cpup(p
);
3556 for (res
->nlocations
= 0; res
->nlocations
< n
; res
->nlocations
++) {
3558 struct nfs4_fs_location
*loc
;
3560 if (res
->nlocations
== NFS4_FS_LOCATIONS_MAXENTRIES
)
3562 loc
= &res
->locations
[res
->nlocations
];
3563 p
= xdr_inline_decode(xdr
, 4);
3566 m
= be32_to_cpup(p
);
3568 dprintk("%s: servers:\n", __func__
);
3569 for (loc
->nservers
= 0; loc
->nservers
< m
; loc
->nservers
++) {
3570 struct nfs4_string
*server
;
3572 if (loc
->nservers
== NFS4_FS_LOCATION_MAXSERVERS
) {
3574 dprintk("%s: using first %u of %u servers "
3575 "returned for location %u\n",
3577 NFS4_FS_LOCATION_MAXSERVERS
,
3578 m
, res
->nlocations
);
3579 for (i
= loc
->nservers
; i
< m
; i
++) {
3582 status
= decode_opaque_inline(xdr
, &len
, &data
);
3583 if (unlikely(status
!= 0))
3588 server
= &loc
->servers
[loc
->nservers
];
3589 status
= decode_opaque_inline(xdr
, &server
->len
, &server
->data
);
3590 if (unlikely(status
!= 0))
3592 dprintk("%s ", server
->data
);
3594 status
= decode_pathname(xdr
, &loc
->rootpath
);
3595 if (unlikely(status
!= 0))
3598 if (res
->nlocations
!= 0)
3599 status
= NFS_ATTR_FATTR_V4_LOCATIONS
;
3601 dprintk("%s: fs_locations done, error = %d\n", __func__
, status
);
3604 print_overflow_msg(__func__
, xdr
);
3610 static int decode_attr_maxfilesize(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
3616 if (unlikely(bitmap
[0] & (FATTR4_WORD0_MAXFILESIZE
- 1U)))
3618 if (likely(bitmap
[0] & FATTR4_WORD0_MAXFILESIZE
)) {
3619 p
= xdr_inline_decode(xdr
, 8);
3622 xdr_decode_hyper(p
, res
);
3623 bitmap
[0] &= ~FATTR4_WORD0_MAXFILESIZE
;
3625 dprintk("%s: maxfilesize=%Lu\n", __func__
, (unsigned long long)*res
);
3628 print_overflow_msg(__func__
, xdr
);
3632 static int decode_attr_maxlink(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *maxlink
)
3638 if (unlikely(bitmap
[0] & (FATTR4_WORD0_MAXLINK
- 1U)))
3640 if (likely(bitmap
[0] & FATTR4_WORD0_MAXLINK
)) {
3641 p
= xdr_inline_decode(xdr
, 4);
3644 *maxlink
= be32_to_cpup(p
);
3645 bitmap
[0] &= ~FATTR4_WORD0_MAXLINK
;
3647 dprintk("%s: maxlink=%u\n", __func__
, *maxlink
);
3650 print_overflow_msg(__func__
, xdr
);
3654 static int decode_attr_maxname(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *maxname
)
3660 if (unlikely(bitmap
[0] & (FATTR4_WORD0_MAXNAME
- 1U)))
3662 if (likely(bitmap
[0] & FATTR4_WORD0_MAXNAME
)) {
3663 p
= xdr_inline_decode(xdr
, 4);
3666 *maxname
= be32_to_cpup(p
);
3667 bitmap
[0] &= ~FATTR4_WORD0_MAXNAME
;
3669 dprintk("%s: maxname=%u\n", __func__
, *maxname
);
3672 print_overflow_msg(__func__
, xdr
);
3676 static int decode_attr_maxread(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *res
)
3682 if (unlikely(bitmap
[0] & (FATTR4_WORD0_MAXREAD
- 1U)))
3684 if (likely(bitmap
[0] & FATTR4_WORD0_MAXREAD
)) {
3686 p
= xdr_inline_decode(xdr
, 8);
3689 xdr_decode_hyper(p
, &maxread
);
3690 if (maxread
> 0x7FFFFFFF)
3691 maxread
= 0x7FFFFFFF;
3692 *res
= (uint32_t)maxread
;
3693 bitmap
[0] &= ~FATTR4_WORD0_MAXREAD
;
3695 dprintk("%s: maxread=%lu\n", __func__
, (unsigned long)*res
);
3698 print_overflow_msg(__func__
, xdr
);
3702 static int decode_attr_maxwrite(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *res
)
3708 if (unlikely(bitmap
[0] & (FATTR4_WORD0_MAXWRITE
- 1U)))
3710 if (likely(bitmap
[0] & FATTR4_WORD0_MAXWRITE
)) {
3712 p
= xdr_inline_decode(xdr
, 8);
3715 xdr_decode_hyper(p
, &maxwrite
);
3716 if (maxwrite
> 0x7FFFFFFF)
3717 maxwrite
= 0x7FFFFFFF;
3718 *res
= (uint32_t)maxwrite
;
3719 bitmap
[0] &= ~FATTR4_WORD0_MAXWRITE
;
3721 dprintk("%s: maxwrite=%lu\n", __func__
, (unsigned long)*res
);
3724 print_overflow_msg(__func__
, xdr
);
3728 static int decode_attr_mode(struct xdr_stream
*xdr
, uint32_t *bitmap
, umode_t
*mode
)
3735 if (unlikely(bitmap
[1] & (FATTR4_WORD1_MODE
- 1U)))
3737 if (likely(bitmap
[1] & FATTR4_WORD1_MODE
)) {
3738 p
= xdr_inline_decode(xdr
, 4);
3741 tmp
= be32_to_cpup(p
);
3742 *mode
= tmp
& ~S_IFMT
;
3743 bitmap
[1] &= ~FATTR4_WORD1_MODE
;
3744 ret
= NFS_ATTR_FATTR_MODE
;
3746 dprintk("%s: file mode=0%o\n", __func__
, (unsigned int)*mode
);
3749 print_overflow_msg(__func__
, xdr
);
3753 static int decode_attr_nlink(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *nlink
)
3759 if (unlikely(bitmap
[1] & (FATTR4_WORD1_NUMLINKS
- 1U)))
3761 if (likely(bitmap
[1] & FATTR4_WORD1_NUMLINKS
)) {
3762 p
= xdr_inline_decode(xdr
, 4);
3765 *nlink
= be32_to_cpup(p
);
3766 bitmap
[1] &= ~FATTR4_WORD1_NUMLINKS
;
3767 ret
= NFS_ATTR_FATTR_NLINK
;
3769 dprintk("%s: nlink=%u\n", __func__
, (unsigned int)*nlink
);
3772 print_overflow_msg(__func__
, xdr
);
3776 static int decode_attr_owner(struct xdr_stream
*xdr
, uint32_t *bitmap
,
3777 const struct nfs_server
*server
, kuid_t
*uid
,
3778 struct nfs4_string
*owner_name
)
3784 *uid
= make_kuid(&init_user_ns
, -2);
3785 if (unlikely(bitmap
[1] & (FATTR4_WORD1_OWNER
- 1U)))
3787 if (likely(bitmap
[1] & FATTR4_WORD1_OWNER
)) {
3788 p
= xdr_inline_decode(xdr
, 4);
3791 len
= be32_to_cpup(p
);
3792 p
= xdr_inline_decode(xdr
, len
);
3795 if (owner_name
!= NULL
) {
3796 owner_name
->data
= kmemdup(p
, len
, GFP_NOWAIT
);
3797 if (owner_name
->data
!= NULL
) {
3798 owner_name
->len
= len
;
3799 ret
= NFS_ATTR_FATTR_OWNER_NAME
;
3801 } else if (len
< XDR_MAX_NETOBJ
) {
3802 if (nfs_map_name_to_uid(server
, (char *)p
, len
, uid
) == 0)
3803 ret
= NFS_ATTR_FATTR_OWNER
;
3805 dprintk("%s: nfs_map_name_to_uid failed!\n",
3808 dprintk("%s: name too long (%u)!\n",
3810 bitmap
[1] &= ~FATTR4_WORD1_OWNER
;
3812 dprintk("%s: uid=%d\n", __func__
, (int)from_kuid(&init_user_ns
, *uid
));
3815 print_overflow_msg(__func__
, xdr
);
3819 static int decode_attr_group(struct xdr_stream
*xdr
, uint32_t *bitmap
,
3820 const struct nfs_server
*server
, kgid_t
*gid
,
3821 struct nfs4_string
*group_name
)
3827 *gid
= make_kgid(&init_user_ns
, -2);
3828 if (unlikely(bitmap
[1] & (FATTR4_WORD1_OWNER_GROUP
- 1U)))
3830 if (likely(bitmap
[1] & FATTR4_WORD1_OWNER_GROUP
)) {
3831 p
= xdr_inline_decode(xdr
, 4);
3834 len
= be32_to_cpup(p
);
3835 p
= xdr_inline_decode(xdr
, len
);
3838 if (group_name
!= NULL
) {
3839 group_name
->data
= kmemdup(p
, len
, GFP_NOWAIT
);
3840 if (group_name
->data
!= NULL
) {
3841 group_name
->len
= len
;
3842 ret
= NFS_ATTR_FATTR_GROUP_NAME
;
3844 } else if (len
< XDR_MAX_NETOBJ
) {
3845 if (nfs_map_group_to_gid(server
, (char *)p
, len
, gid
) == 0)
3846 ret
= NFS_ATTR_FATTR_GROUP
;
3848 dprintk("%s: nfs_map_group_to_gid failed!\n",
3851 dprintk("%s: name too long (%u)!\n",
3853 bitmap
[1] &= ~FATTR4_WORD1_OWNER_GROUP
;
3855 dprintk("%s: gid=%d\n", __func__
, (int)from_kgid(&init_user_ns
, *gid
));
3858 print_overflow_msg(__func__
, xdr
);
3862 static int decode_attr_rdev(struct xdr_stream
*xdr
, uint32_t *bitmap
, dev_t
*rdev
)
3864 uint32_t major
= 0, minor
= 0;
3869 if (unlikely(bitmap
[1] & (FATTR4_WORD1_RAWDEV
- 1U)))
3871 if (likely(bitmap
[1] & FATTR4_WORD1_RAWDEV
)) {
3874 p
= xdr_inline_decode(xdr
, 8);
3877 major
= be32_to_cpup(p
++);
3878 minor
= be32_to_cpup(p
);
3879 tmp
= MKDEV(major
, minor
);
3880 if (MAJOR(tmp
) == major
&& MINOR(tmp
) == minor
)
3882 bitmap
[1] &= ~ FATTR4_WORD1_RAWDEV
;
3883 ret
= NFS_ATTR_FATTR_RDEV
;
3885 dprintk("%s: rdev=(0x%x:0x%x)\n", __func__
, major
, minor
);
3888 print_overflow_msg(__func__
, xdr
);
3892 static int decode_attr_space_avail(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
3898 if (unlikely(bitmap
[1] & (FATTR4_WORD1_SPACE_AVAIL
- 1U)))
3900 if (likely(bitmap
[1] & FATTR4_WORD1_SPACE_AVAIL
)) {
3901 p
= xdr_inline_decode(xdr
, 8);
3904 xdr_decode_hyper(p
, res
);
3905 bitmap
[1] &= ~FATTR4_WORD1_SPACE_AVAIL
;
3907 dprintk("%s: space avail=%Lu\n", __func__
, (unsigned long long)*res
);
3910 print_overflow_msg(__func__
, xdr
);
3914 static int decode_attr_space_free(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
3920 if (unlikely(bitmap
[1] & (FATTR4_WORD1_SPACE_FREE
- 1U)))
3922 if (likely(bitmap
[1] & FATTR4_WORD1_SPACE_FREE
)) {
3923 p
= xdr_inline_decode(xdr
, 8);
3926 xdr_decode_hyper(p
, res
);
3927 bitmap
[1] &= ~FATTR4_WORD1_SPACE_FREE
;
3929 dprintk("%s: space free=%Lu\n", __func__
, (unsigned long long)*res
);
3932 print_overflow_msg(__func__
, xdr
);
3936 static int decode_attr_space_total(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
3942 if (unlikely(bitmap
[1] & (FATTR4_WORD1_SPACE_TOTAL
- 1U)))
3944 if (likely(bitmap
[1] & FATTR4_WORD1_SPACE_TOTAL
)) {
3945 p
= xdr_inline_decode(xdr
, 8);
3948 xdr_decode_hyper(p
, res
);
3949 bitmap
[1] &= ~FATTR4_WORD1_SPACE_TOTAL
;
3951 dprintk("%s: space total=%Lu\n", __func__
, (unsigned long long)*res
);
3954 print_overflow_msg(__func__
, xdr
);
3958 static int decode_attr_space_used(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *used
)
3964 if (unlikely(bitmap
[1] & (FATTR4_WORD1_SPACE_USED
- 1U)))
3966 if (likely(bitmap
[1] & FATTR4_WORD1_SPACE_USED
)) {
3967 p
= xdr_inline_decode(xdr
, 8);
3970 xdr_decode_hyper(p
, used
);
3971 bitmap
[1] &= ~FATTR4_WORD1_SPACE_USED
;
3972 ret
= NFS_ATTR_FATTR_SPACE_USED
;
3974 dprintk("%s: space used=%Lu\n", __func__
,
3975 (unsigned long long)*used
);
3978 print_overflow_msg(__func__
, xdr
);
3982 static int decode_attr_time(struct xdr_stream
*xdr
, struct timespec
*time
)
3988 p
= xdr_inline_decode(xdr
, 12);
3991 p
= xdr_decode_hyper(p
, &sec
);
3992 nsec
= be32_to_cpup(p
);
3993 time
->tv_sec
= (time_t)sec
;
3994 time
->tv_nsec
= (long)nsec
;
3997 print_overflow_msg(__func__
, xdr
);
4001 static int decode_attr_time_access(struct xdr_stream
*xdr
, uint32_t *bitmap
, struct timespec
*time
)
4007 if (unlikely(bitmap
[1] & (FATTR4_WORD1_TIME_ACCESS
- 1U)))
4009 if (likely(bitmap
[1] & FATTR4_WORD1_TIME_ACCESS
)) {
4010 status
= decode_attr_time(xdr
, time
);
4012 status
= NFS_ATTR_FATTR_ATIME
;
4013 bitmap
[1] &= ~FATTR4_WORD1_TIME_ACCESS
;
4015 dprintk("%s: atime=%ld\n", __func__
, (long)time
->tv_sec
);
4019 static int decode_attr_time_metadata(struct xdr_stream
*xdr
, uint32_t *bitmap
, struct timespec
*time
)
4025 if (unlikely(bitmap
[1] & (FATTR4_WORD1_TIME_METADATA
- 1U)))
4027 if (likely(bitmap
[1] & FATTR4_WORD1_TIME_METADATA
)) {
4028 status
= decode_attr_time(xdr
, time
);
4030 status
= NFS_ATTR_FATTR_CTIME
;
4031 bitmap
[1] &= ~FATTR4_WORD1_TIME_METADATA
;
4033 dprintk("%s: ctime=%ld\n", __func__
, (long)time
->tv_sec
);
4037 static int decode_attr_time_delta(struct xdr_stream
*xdr
, uint32_t *bitmap
,
4038 struct timespec
*time
)
4044 if (unlikely(bitmap
[1] & (FATTR4_WORD1_TIME_DELTA
- 1U)))
4046 if (likely(bitmap
[1] & FATTR4_WORD1_TIME_DELTA
)) {
4047 status
= decode_attr_time(xdr
, time
);
4048 bitmap
[1] &= ~FATTR4_WORD1_TIME_DELTA
;
4050 dprintk("%s: time_delta=%ld %ld\n", __func__
, (long)time
->tv_sec
,
4051 (long)time
->tv_nsec
);
4055 static int decode_attr_time_modify(struct xdr_stream
*xdr
, uint32_t *bitmap
, struct timespec
*time
)
4061 if (unlikely(bitmap
[1] & (FATTR4_WORD1_TIME_MODIFY
- 1U)))
4063 if (likely(bitmap
[1] & FATTR4_WORD1_TIME_MODIFY
)) {
4064 status
= decode_attr_time(xdr
, time
);
4066 status
= NFS_ATTR_FATTR_MTIME
;
4067 bitmap
[1] &= ~FATTR4_WORD1_TIME_MODIFY
;
4069 dprintk("%s: mtime=%ld\n", __func__
, (long)time
->tv_sec
);
4073 static int verify_attr_len(struct xdr_stream
*xdr
, unsigned int savep
, uint32_t attrlen
)
4075 unsigned int attrwords
= XDR_QUADLEN(attrlen
);
4076 unsigned int nwords
= (xdr_stream_pos(xdr
) - savep
) >> 2;
4078 if (unlikely(attrwords
!= nwords
)) {
4079 dprintk("%s: server returned incorrect attribute length: "
4083 (attrwords
< nwords
) ? '<' : '>',
4090 static int decode_change_info(struct xdr_stream
*xdr
, struct nfs4_change_info
*cinfo
)
4094 p
= xdr_inline_decode(xdr
, 20);
4097 cinfo
->atomic
= be32_to_cpup(p
++);
4098 p
= xdr_decode_hyper(p
, &cinfo
->before
);
4099 xdr_decode_hyper(p
, &cinfo
->after
);
4102 print_overflow_msg(__func__
, xdr
);
4106 static int decode_access(struct xdr_stream
*xdr
, u32
*supported
, u32
*access
)
4112 status
= decode_op_hdr(xdr
, OP_ACCESS
);
4115 p
= xdr_inline_decode(xdr
, 8);
4118 supp
= be32_to_cpup(p
++);
4119 acc
= be32_to_cpup(p
);
4124 print_overflow_msg(__func__
, xdr
);
4128 static int decode_opaque_fixed(struct xdr_stream
*xdr
, void *buf
, size_t len
)
4132 p
= xdr_inline_decode(xdr
, len
);
4134 memcpy(buf
, p
, len
);
4137 print_overflow_msg(__func__
, xdr
);
4141 static int decode_stateid(struct xdr_stream
*xdr
, nfs4_stateid
*stateid
)
4143 return decode_opaque_fixed(xdr
, stateid
, NFS4_STATEID_SIZE
);
4146 static int decode_close(struct xdr_stream
*xdr
, struct nfs_closeres
*res
)
4150 status
= decode_op_hdr(xdr
, OP_CLOSE
);
4152 nfs_increment_open_seqid(status
, res
->seqid
);
4154 status
= decode_stateid(xdr
, &res
->stateid
);
4158 static int decode_verifier(struct xdr_stream
*xdr
, void *verifier
)
4160 return decode_opaque_fixed(xdr
, verifier
, NFS4_VERIFIER_SIZE
);
4163 static int decode_write_verifier(struct xdr_stream
*xdr
, struct nfs_write_verifier
*verifier
)
4165 return decode_opaque_fixed(xdr
, verifier
->data
, NFS4_VERIFIER_SIZE
);
4168 static int decode_commit(struct xdr_stream
*xdr
, struct nfs_commitres
*res
)
4172 status
= decode_op_hdr(xdr
, OP_COMMIT
);
4174 status
= decode_write_verifier(xdr
, &res
->verf
->verifier
);
4178 static int decode_create(struct xdr_stream
*xdr
, struct nfs4_change_info
*cinfo
)
4184 status
= decode_op_hdr(xdr
, OP_CREATE
);
4187 if ((status
= decode_change_info(xdr
, cinfo
)))
4189 p
= xdr_inline_decode(xdr
, 4);
4192 bmlen
= be32_to_cpup(p
);
4193 p
= xdr_inline_decode(xdr
, bmlen
<< 2);
4197 print_overflow_msg(__func__
, xdr
);
4201 static int decode_server_caps(struct xdr_stream
*xdr
, struct nfs4_server_caps_res
*res
)
4204 uint32_t attrlen
, bitmap
[3] = {0};
4207 if ((status
= decode_op_hdr(xdr
, OP_GETATTR
)) != 0)
4209 if ((status
= decode_attr_bitmap(xdr
, bitmap
)) != 0)
4211 if ((status
= decode_attr_length(xdr
, &attrlen
, &savep
)) != 0)
4213 if ((status
= decode_attr_supported(xdr
, bitmap
, res
->attr_bitmask
)) != 0)
4215 if ((status
= decode_attr_fh_expire_type(xdr
, bitmap
,
4216 &res
->fh_expire_type
)) != 0)
4218 if ((status
= decode_attr_link_support(xdr
, bitmap
, &res
->has_links
)) != 0)
4220 if ((status
= decode_attr_symlink_support(xdr
, bitmap
, &res
->has_symlinks
)) != 0)
4222 if ((status
= decode_attr_aclsupport(xdr
, bitmap
, &res
->acl_bitmask
)) != 0)
4224 status
= verify_attr_len(xdr
, savep
, attrlen
);
4226 dprintk("%s: xdr returned %d!\n", __func__
, -status
);
4230 static int decode_statfs(struct xdr_stream
*xdr
, struct nfs_fsstat
*fsstat
)
4233 uint32_t attrlen
, bitmap
[3] = {0};
4236 if ((status
= decode_op_hdr(xdr
, OP_GETATTR
)) != 0)
4238 if ((status
= decode_attr_bitmap(xdr
, bitmap
)) != 0)
4240 if ((status
= decode_attr_length(xdr
, &attrlen
, &savep
)) != 0)
4243 if ((status
= decode_attr_files_avail(xdr
, bitmap
, &fsstat
->afiles
)) != 0)
4245 if ((status
= decode_attr_files_free(xdr
, bitmap
, &fsstat
->ffiles
)) != 0)
4247 if ((status
= decode_attr_files_total(xdr
, bitmap
, &fsstat
->tfiles
)) != 0)
4249 if ((status
= decode_attr_space_avail(xdr
, bitmap
, &fsstat
->abytes
)) != 0)
4251 if ((status
= decode_attr_space_free(xdr
, bitmap
, &fsstat
->fbytes
)) != 0)
4253 if ((status
= decode_attr_space_total(xdr
, bitmap
, &fsstat
->tbytes
)) != 0)
4256 status
= verify_attr_len(xdr
, savep
, attrlen
);
4258 dprintk("%s: xdr returned %d!\n", __func__
, -status
);
4262 static int decode_pathconf(struct xdr_stream
*xdr
, struct nfs_pathconf
*pathconf
)
4265 uint32_t attrlen
, bitmap
[3] = {0};
4268 if ((status
= decode_op_hdr(xdr
, OP_GETATTR
)) != 0)
4270 if ((status
= decode_attr_bitmap(xdr
, bitmap
)) != 0)
4272 if ((status
= decode_attr_length(xdr
, &attrlen
, &savep
)) != 0)
4275 if ((status
= decode_attr_maxlink(xdr
, bitmap
, &pathconf
->max_link
)) != 0)
4277 if ((status
= decode_attr_maxname(xdr
, bitmap
, &pathconf
->max_namelen
)) != 0)
4280 status
= verify_attr_len(xdr
, savep
, attrlen
);
4282 dprintk("%s: xdr returned %d!\n", __func__
, -status
);
4286 static int decode_threshold_hint(struct xdr_stream
*xdr
,
4294 if (likely(bitmap
[0] & hint_bit
)) {
4295 p
= xdr_inline_decode(xdr
, 8);
4298 xdr_decode_hyper(p
, res
);
4302 print_overflow_msg(__func__
, xdr
);
4306 static int decode_first_threshold_item4(struct xdr_stream
*xdr
,
4307 struct nfs4_threshold
*res
)
4311 uint32_t bitmap
[3] = {0,}, attrlen
;
4315 p
= xdr_inline_decode(xdr
, 4);
4317 print_overflow_msg(__func__
, xdr
);
4320 res
->l_type
= be32_to_cpup(p
);
4322 /* thi_hintset bitmap */
4323 status
= decode_attr_bitmap(xdr
, bitmap
);
4327 /* thi_hintlist length */
4328 status
= decode_attr_length(xdr
, &attrlen
, &savep
);
4332 status
= decode_threshold_hint(xdr
, bitmap
, &res
->rd_sz
, THRESHOLD_RD
);
4335 status
= decode_threshold_hint(xdr
, bitmap
, &res
->wr_sz
, THRESHOLD_WR
);
4338 status
= decode_threshold_hint(xdr
, bitmap
, &res
->rd_io_sz
,
4342 status
= decode_threshold_hint(xdr
, bitmap
, &res
->wr_io_sz
,
4347 status
= verify_attr_len(xdr
, savep
, attrlen
);
4348 res
->bm
= bitmap
[0];
4350 dprintk("%s bm=0x%x rd_sz=%llu wr_sz=%llu rd_io=%llu wr_io=%llu\n",
4351 __func__
, res
->bm
, res
->rd_sz
, res
->wr_sz
, res
->rd_io_sz
,
4354 dprintk("%s ret=%d!\n", __func__
, status
);
4359 * Thresholds on pNFS direct I/O vrs MDS I/O
4361 static int decode_attr_mdsthreshold(struct xdr_stream
*xdr
,
4363 struct nfs4_threshold
*res
)
4369 if (unlikely(bitmap
[2] & (FATTR4_WORD2_MDSTHRESHOLD
- 1U)))
4371 if (bitmap
[2] & FATTR4_WORD2_MDSTHRESHOLD
) {
4372 /* Did the server return an unrequested attribute? */
4373 if (unlikely(res
== NULL
))
4375 p
= xdr_inline_decode(xdr
, 4);
4378 num
= be32_to_cpup(p
);
4382 printk(KERN_INFO
"%s: Warning: Multiple pNFS layout "
4383 "drivers per filesystem not supported\n",
4386 status
= decode_first_threshold_item4(xdr
, res
);
4387 bitmap
[2] &= ~FATTR4_WORD2_MDSTHRESHOLD
;
4391 print_overflow_msg(__func__
, xdr
);
4395 static int decode_getfattr_attrs(struct xdr_stream
*xdr
, uint32_t *bitmap
,
4396 struct nfs_fattr
*fattr
, struct nfs_fh
*fh
,
4397 struct nfs4_fs_locations
*fs_loc
,
4398 const struct nfs_server
*server
)
4405 status
= decode_attr_type(xdr
, bitmap
, &type
);
4410 fattr
->mode
|= nfs_type2fmt
[type
];
4411 fattr
->valid
|= status
;
4414 status
= decode_attr_change(xdr
, bitmap
, &fattr
->change_attr
);
4417 fattr
->valid
|= status
;
4419 status
= decode_attr_size(xdr
, bitmap
, &fattr
->size
);
4422 fattr
->valid
|= status
;
4424 status
= decode_attr_fsid(xdr
, bitmap
, &fattr
->fsid
);
4427 fattr
->valid
|= status
;
4430 status
= decode_attr_error(xdr
, bitmap
, &err
);
4434 status
= decode_attr_filehandle(xdr
, bitmap
, fh
);
4438 status
= decode_attr_fileid(xdr
, bitmap
, &fattr
->fileid
);
4441 fattr
->valid
|= status
;
4443 status
= decode_attr_fs_locations(xdr
, bitmap
, fs_loc
);
4446 fattr
->valid
|= status
;
4448 status
= decode_attr_mode(xdr
, bitmap
, &fmode
);
4452 fattr
->mode
|= fmode
;
4453 fattr
->valid
|= status
;
4456 status
= decode_attr_nlink(xdr
, bitmap
, &fattr
->nlink
);
4459 fattr
->valid
|= status
;
4461 status
= decode_attr_owner(xdr
, bitmap
, server
, &fattr
->uid
, fattr
->owner_name
);
4464 fattr
->valid
|= status
;
4466 status
= decode_attr_group(xdr
, bitmap
, server
, &fattr
->gid
, fattr
->group_name
);
4469 fattr
->valid
|= status
;
4471 status
= decode_attr_rdev(xdr
, bitmap
, &fattr
->rdev
);
4474 fattr
->valid
|= status
;
4476 status
= decode_attr_space_used(xdr
, bitmap
, &fattr
->du
.nfs3
.used
);
4479 fattr
->valid
|= status
;
4481 status
= decode_attr_time_access(xdr
, bitmap
, &fattr
->atime
);
4484 fattr
->valid
|= status
;
4486 status
= decode_attr_time_metadata(xdr
, bitmap
, &fattr
->ctime
);
4489 fattr
->valid
|= status
;
4491 status
= decode_attr_time_modify(xdr
, bitmap
, &fattr
->mtime
);
4494 fattr
->valid
|= status
;
4496 status
= decode_attr_mounted_on_fileid(xdr
, bitmap
, &fattr
->mounted_on_fileid
);
4499 fattr
->valid
|= status
;
4501 status
= decode_attr_mdsthreshold(xdr
, bitmap
, fattr
->mdsthreshold
);
4506 dprintk("%s: xdr returned %d\n", __func__
, -status
);
4510 static int decode_getfattr_generic(struct xdr_stream
*xdr
, struct nfs_fattr
*fattr
,
4511 struct nfs_fh
*fh
, struct nfs4_fs_locations
*fs_loc
,
4512 const struct nfs_server
*server
)
4519 status
= decode_op_hdr(xdr
, OP_GETATTR
);
4523 status
= decode_attr_bitmap(xdr
, bitmap
);
4527 status
= decode_attr_length(xdr
, &attrlen
, &savep
);
4531 status
= decode_getfattr_attrs(xdr
, bitmap
, fattr
, fh
, fs_loc
, server
);
4535 status
= verify_attr_len(xdr
, savep
, attrlen
);
4537 dprintk("%s: xdr returned %d\n", __func__
, -status
);
4541 static int decode_getfattr(struct xdr_stream
*xdr
, struct nfs_fattr
*fattr
,
4542 const struct nfs_server
*server
)
4544 return decode_getfattr_generic(xdr
, fattr
, NULL
, NULL
, server
);
4548 * Decode potentially multiple layout types. Currently we only support
4549 * one layout driver per file system.
4551 static int decode_first_pnfs_layout_type(struct xdr_stream
*xdr
,
4552 uint32_t *layouttype
)
4557 p
= xdr_inline_decode(xdr
, 4);
4560 num
= be32_to_cpup(p
);
4562 /* pNFS is not supported by the underlying file system */
4568 printk(KERN_INFO
"NFS: %s: Warning: Multiple pNFS layout "
4569 "drivers per filesystem not supported\n", __func__
);
4571 /* Decode and set first layout type, move xdr->p past unused types */
4572 p
= xdr_inline_decode(xdr
, num
* 4);
4575 *layouttype
= be32_to_cpup(p
);
4578 print_overflow_msg(__func__
, xdr
);
4583 * The type of file system exported.
4584 * Note we must ensure that layouttype is set in any non-error case.
4586 static int decode_attr_pnfstype(struct xdr_stream
*xdr
, uint32_t *bitmap
,
4587 uint32_t *layouttype
)
4591 dprintk("%s: bitmap is %x\n", __func__
, bitmap
[1]);
4592 if (unlikely(bitmap
[1] & (FATTR4_WORD1_FS_LAYOUT_TYPES
- 1U)))
4594 if (bitmap
[1] & FATTR4_WORD1_FS_LAYOUT_TYPES
) {
4595 status
= decode_first_pnfs_layout_type(xdr
, layouttype
);
4596 bitmap
[1] &= ~FATTR4_WORD1_FS_LAYOUT_TYPES
;
4603 * The prefered block size for layout directed io
4605 static int decode_attr_layout_blksize(struct xdr_stream
*xdr
, uint32_t *bitmap
,
4610 dprintk("%s: bitmap is %x\n", __func__
, bitmap
[2]);
4612 if (bitmap
[2] & FATTR4_WORD2_LAYOUT_BLKSIZE
) {
4613 p
= xdr_inline_decode(xdr
, 4);
4615 print_overflow_msg(__func__
, xdr
);
4618 *res
= be32_to_cpup(p
);
4619 bitmap
[2] &= ~FATTR4_WORD2_LAYOUT_BLKSIZE
;
4624 static int decode_fsinfo(struct xdr_stream
*xdr
, struct nfs_fsinfo
*fsinfo
)
4627 uint32_t attrlen
, bitmap
[3];
4630 if ((status
= decode_op_hdr(xdr
, OP_GETATTR
)) != 0)
4632 if ((status
= decode_attr_bitmap(xdr
, bitmap
)) != 0)
4634 if ((status
= decode_attr_length(xdr
, &attrlen
, &savep
)) != 0)
4637 fsinfo
->rtmult
= fsinfo
->wtmult
= 512; /* ??? */
4639 if ((status
= decode_attr_lease_time(xdr
, bitmap
, &fsinfo
->lease_time
)) != 0)
4641 if ((status
= decode_attr_maxfilesize(xdr
, bitmap
, &fsinfo
->maxfilesize
)) != 0)
4643 if ((status
= decode_attr_maxread(xdr
, bitmap
, &fsinfo
->rtmax
)) != 0)
4645 fsinfo
->rtpref
= fsinfo
->dtpref
= fsinfo
->rtmax
;
4646 if ((status
= decode_attr_maxwrite(xdr
, bitmap
, &fsinfo
->wtmax
)) != 0)
4648 fsinfo
->wtpref
= fsinfo
->wtmax
;
4649 status
= decode_attr_time_delta(xdr
, bitmap
, &fsinfo
->time_delta
);
4652 status
= decode_attr_pnfstype(xdr
, bitmap
, &fsinfo
->layouttype
);
4655 status
= decode_attr_layout_blksize(xdr
, bitmap
, &fsinfo
->blksize
);
4659 status
= verify_attr_len(xdr
, savep
, attrlen
);
4661 dprintk("%s: xdr returned %d!\n", __func__
, -status
);
4665 static int decode_getfh(struct xdr_stream
*xdr
, struct nfs_fh
*fh
)
4671 /* Zero handle first to allow comparisons */
4672 memset(fh
, 0, sizeof(*fh
));
4674 status
= decode_op_hdr(xdr
, OP_GETFH
);
4678 p
= xdr_inline_decode(xdr
, 4);
4681 len
= be32_to_cpup(p
);
4682 if (len
> NFS4_FHSIZE
)
4685 p
= xdr_inline_decode(xdr
, len
);
4688 memcpy(fh
->data
, p
, len
);
4691 print_overflow_msg(__func__
, xdr
);
4695 static int decode_link(struct xdr_stream
*xdr
, struct nfs4_change_info
*cinfo
)
4699 status
= decode_op_hdr(xdr
, OP_LINK
);
4702 return decode_change_info(xdr
, cinfo
);
4706 * We create the owner, so we know a proper owner.id length is 4.
4708 static int decode_lock_denied (struct xdr_stream
*xdr
, struct file_lock
*fl
)
4710 uint64_t offset
, length
, clientid
;
4712 uint32_t namelen
, type
;
4714 p
= xdr_inline_decode(xdr
, 32); /* read 32 bytes */
4717 p
= xdr_decode_hyper(p
, &offset
); /* read 2 8-byte long words */
4718 p
= xdr_decode_hyper(p
, &length
);
4719 type
= be32_to_cpup(p
++); /* 4 byte read */
4720 if (fl
!= NULL
) { /* manipulate file lock */
4721 fl
->fl_start
= (loff_t
)offset
;
4722 fl
->fl_end
= fl
->fl_start
+ (loff_t
)length
- 1;
4723 if (length
== ~(uint64_t)0)
4724 fl
->fl_end
= OFFSET_MAX
;
4725 fl
->fl_type
= F_WRLCK
;
4727 fl
->fl_type
= F_RDLCK
;
4730 p
= xdr_decode_hyper(p
, &clientid
); /* read 8 bytes */
4731 namelen
= be32_to_cpup(p
); /* read 4 bytes */ /* have read all 32 bytes now */
4732 p
= xdr_inline_decode(xdr
, namelen
); /* variable size field */
4734 return -NFS4ERR_DENIED
;
4736 print_overflow_msg(__func__
, xdr
);
4740 static int decode_lock(struct xdr_stream
*xdr
, struct nfs_lock_res
*res
)
4744 status
= decode_op_hdr(xdr
, OP_LOCK
);
4748 status
= decode_stateid(xdr
, &res
->stateid
);
4749 if (unlikely(status
))
4751 } else if (status
== -NFS4ERR_DENIED
)
4752 status
= decode_lock_denied(xdr
, NULL
);
4753 if (res
->open_seqid
!= NULL
)
4754 nfs_increment_open_seqid(status
, res
->open_seqid
);
4755 nfs_increment_lock_seqid(status
, res
->lock_seqid
);
4760 static int decode_lockt(struct xdr_stream
*xdr
, struct nfs_lockt_res
*res
)
4763 status
= decode_op_hdr(xdr
, OP_LOCKT
);
4764 if (status
== -NFS4ERR_DENIED
)
4765 return decode_lock_denied(xdr
, res
->denied
);
4769 static int decode_locku(struct xdr_stream
*xdr
, struct nfs_locku_res
*res
)
4773 status
= decode_op_hdr(xdr
, OP_LOCKU
);
4775 nfs_increment_lock_seqid(status
, res
->seqid
);
4777 status
= decode_stateid(xdr
, &res
->stateid
);
4781 static int decode_release_lockowner(struct xdr_stream
*xdr
)
4783 return decode_op_hdr(xdr
, OP_RELEASE_LOCKOWNER
);
4786 static int decode_lookup(struct xdr_stream
*xdr
)
4788 return decode_op_hdr(xdr
, OP_LOOKUP
);
4791 /* This is too sick! */
4792 static int decode_space_limit(struct xdr_stream
*xdr
, u64
*maxsize
)
4795 uint32_t limit_type
, nblocks
, blocksize
;
4797 p
= xdr_inline_decode(xdr
, 12);
4800 limit_type
= be32_to_cpup(p
++);
4801 switch (limit_type
) {
4803 xdr_decode_hyper(p
, maxsize
);
4806 nblocks
= be32_to_cpup(p
++);
4807 blocksize
= be32_to_cpup(p
);
4808 *maxsize
= (uint64_t)nblocks
* (uint64_t)blocksize
;
4812 print_overflow_msg(__func__
, xdr
);
4816 static int decode_delegation(struct xdr_stream
*xdr
, struct nfs_openres
*res
)
4819 uint32_t delegation_type
;
4822 p
= xdr_inline_decode(xdr
, 4);
4825 delegation_type
= be32_to_cpup(p
);
4826 if (delegation_type
== NFS4_OPEN_DELEGATE_NONE
) {
4827 res
->delegation_type
= 0;
4830 status
= decode_stateid(xdr
, &res
->delegation
);
4831 if (unlikely(status
))
4833 p
= xdr_inline_decode(xdr
, 4);
4836 res
->do_recall
= be32_to_cpup(p
);
4838 switch (delegation_type
) {
4839 case NFS4_OPEN_DELEGATE_READ
:
4840 res
->delegation_type
= FMODE_READ
;
4842 case NFS4_OPEN_DELEGATE_WRITE
:
4843 res
->delegation_type
= FMODE_WRITE
|FMODE_READ
;
4844 if (decode_space_limit(xdr
, &res
->maxsize
) < 0)
4847 return decode_ace(xdr
, NULL
, res
->server
->nfs_client
);
4849 print_overflow_msg(__func__
, xdr
);
4853 static int decode_open(struct xdr_stream
*xdr
, struct nfs_openres
*res
)
4856 uint32_t savewords
, bmlen
, i
;
4859 status
= decode_op_hdr(xdr
, OP_OPEN
);
4861 nfs_increment_open_seqid(status
, res
->seqid
);
4863 status
= decode_stateid(xdr
, &res
->stateid
);
4864 if (unlikely(status
))
4867 decode_change_info(xdr
, &res
->cinfo
);
4869 p
= xdr_inline_decode(xdr
, 8);
4872 res
->rflags
= be32_to_cpup(p
++);
4873 bmlen
= be32_to_cpup(p
);
4877 p
= xdr_inline_decode(xdr
, bmlen
<< 2);
4880 savewords
= min_t(uint32_t, bmlen
, NFS4_BITMAP_SIZE
);
4881 for (i
= 0; i
< savewords
; ++i
)
4882 res
->attrset
[i
] = be32_to_cpup(p
++);
4883 for (; i
< NFS4_BITMAP_SIZE
; i
++)
4884 res
->attrset
[i
] = 0;
4886 return decode_delegation(xdr
, res
);
4888 dprintk("%s: Bitmap too large! Length = %u\n", __func__
, bmlen
);
4891 print_overflow_msg(__func__
, xdr
);
4895 static int decode_open_confirm(struct xdr_stream
*xdr
, struct nfs_open_confirmres
*res
)
4899 status
= decode_op_hdr(xdr
, OP_OPEN_CONFIRM
);
4901 nfs_increment_open_seqid(status
, res
->seqid
);
4903 status
= decode_stateid(xdr
, &res
->stateid
);
4907 static int decode_open_downgrade(struct xdr_stream
*xdr
, struct nfs_closeres
*res
)
4911 status
= decode_op_hdr(xdr
, OP_OPEN_DOWNGRADE
);
4913 nfs_increment_open_seqid(status
, res
->seqid
);
4915 status
= decode_stateid(xdr
, &res
->stateid
);
4919 static int decode_putfh(struct xdr_stream
*xdr
)
4921 return decode_op_hdr(xdr
, OP_PUTFH
);
4924 static int decode_putrootfh(struct xdr_stream
*xdr
)
4926 return decode_op_hdr(xdr
, OP_PUTROOTFH
);
4929 static int decode_read(struct xdr_stream
*xdr
, struct rpc_rqst
*req
, struct nfs_readres
*res
)
4932 uint32_t count
, eof
, recvd
;
4935 status
= decode_op_hdr(xdr
, OP_READ
);
4938 p
= xdr_inline_decode(xdr
, 8);
4941 eof
= be32_to_cpup(p
++);
4942 count
= be32_to_cpup(p
);
4943 recvd
= xdr_read_pages(xdr
, count
);
4944 if (count
> recvd
) {
4945 dprintk("NFS: server cheating in read reply: "
4946 "count %u > recvd %u\n", count
, recvd
);
4954 print_overflow_msg(__func__
, xdr
);
4958 static int decode_readdir(struct xdr_stream
*xdr
, struct rpc_rqst
*req
, struct nfs4_readdir_res
*readdir
)
4963 status
= decode_op_hdr(xdr
, OP_READDIR
);
4965 status
= decode_verifier(xdr
, readdir
->verifier
.data
);
4966 if (unlikely(status
))
4968 memcpy(verf
, readdir
->verifier
.data
, sizeof(verf
));
4969 dprintk("%s: verifier = %08x:%08x\n",
4970 __func__
, verf
[0], verf
[1]);
4971 return xdr_read_pages(xdr
, xdr
->buf
->page_len
);
4974 static int decode_readlink(struct xdr_stream
*xdr
, struct rpc_rqst
*req
)
4976 struct xdr_buf
*rcvbuf
= &req
->rq_rcv_buf
;
4981 status
= decode_op_hdr(xdr
, OP_READLINK
);
4985 /* Convert length of symlink */
4986 p
= xdr_inline_decode(xdr
, 4);
4989 len
= be32_to_cpup(p
);
4990 if (len
>= rcvbuf
->page_len
|| len
<= 0) {
4991 dprintk("nfs: server returned giant symlink!\n");
4992 return -ENAMETOOLONG
;
4994 recvd
= xdr_read_pages(xdr
, len
);
4996 dprintk("NFS: server cheating in readlink reply: "
4997 "count %u > recvd %u\n", len
, recvd
);
5001 * The XDR encode routine has set things up so that
5002 * the link text will be copied directly into the
5003 * buffer. We just have to do overflow-checking,
5004 * and and null-terminate the text (the VFS expects
5005 * null-termination).
5007 xdr_terminate_string(rcvbuf
, len
);
5010 print_overflow_msg(__func__
, xdr
);
5014 static int decode_remove(struct xdr_stream
*xdr
, struct nfs4_change_info
*cinfo
)
5018 status
= decode_op_hdr(xdr
, OP_REMOVE
);
5021 status
= decode_change_info(xdr
, cinfo
);
5026 static int decode_rename(struct xdr_stream
*xdr
, struct nfs4_change_info
*old_cinfo
,
5027 struct nfs4_change_info
*new_cinfo
)
5031 status
= decode_op_hdr(xdr
, OP_RENAME
);
5034 if ((status
= decode_change_info(xdr
, old_cinfo
)))
5036 status
= decode_change_info(xdr
, new_cinfo
);
5041 static int decode_renew(struct xdr_stream
*xdr
)
5043 return decode_op_hdr(xdr
, OP_RENEW
);
5047 decode_restorefh(struct xdr_stream
*xdr
)
5049 return decode_op_hdr(xdr
, OP_RESTOREFH
);
5052 static int decode_getacl(struct xdr_stream
*xdr
, struct rpc_rqst
*req
,
5053 struct nfs_getaclres
*res
)
5059 unsigned int pg_offset
;
5062 if ((status
= decode_op_hdr(xdr
, OP_GETATTR
)) != 0)
5065 xdr_enter_page(xdr
, xdr
->buf
->page_len
);
5067 /* Calculate the offset of the page data */
5068 pg_offset
= xdr
->buf
->head
[0].iov_len
;
5070 if ((status
= decode_attr_bitmap(xdr
, bitmap
)) != 0)
5072 if ((status
= decode_attr_length(xdr
, &attrlen
, &savep
)) != 0)
5075 if (unlikely(bitmap
[0] & (FATTR4_WORD0_ACL
- 1U)))
5077 if (likely(bitmap
[0] & FATTR4_WORD0_ACL
)) {
5079 /* The bitmap (xdr len + bitmaps) and the attr xdr len words
5080 * are stored with the acl data to handle the problem of
5081 * variable length bitmaps.*/
5082 res
->acl_data_offset
= xdr_stream_pos(xdr
) - pg_offset
;
5083 res
->acl_len
= attrlen
;
5085 /* Check for receive buffer overflow */
5086 if (res
->acl_len
> (xdr
->nwords
<< 2) ||
5087 res
->acl_len
+ res
->acl_data_offset
> xdr
->buf
->page_len
) {
5088 res
->acl_flags
|= NFS4_ACL_TRUNC
;
5089 dprintk("NFS: acl reply: attrlen %u > page_len %u\n",
5090 attrlen
, xdr
->nwords
<< 2);
5093 status
= -EOPNOTSUPP
;
5100 decode_savefh(struct xdr_stream
*xdr
)
5102 return decode_op_hdr(xdr
, OP_SAVEFH
);
5105 static int decode_setattr(struct xdr_stream
*xdr
)
5111 status
= decode_op_hdr(xdr
, OP_SETATTR
);
5114 p
= xdr_inline_decode(xdr
, 4);
5117 bmlen
= be32_to_cpup(p
);
5118 p
= xdr_inline_decode(xdr
, bmlen
<< 2);
5122 print_overflow_msg(__func__
, xdr
);
5126 static int decode_setclientid(struct xdr_stream
*xdr
, struct nfs4_setclientid_res
*res
)
5132 p
= xdr_inline_decode(xdr
, 8);
5135 opnum
= be32_to_cpup(p
++);
5136 if (opnum
!= OP_SETCLIENTID
) {
5137 dprintk("nfs: decode_setclientid: Server returned operation"
5141 nfserr
= be32_to_cpup(p
);
5142 if (nfserr
== NFS_OK
) {
5143 p
= xdr_inline_decode(xdr
, 8 + NFS4_VERIFIER_SIZE
);
5146 p
= xdr_decode_hyper(p
, &res
->clientid
);
5147 memcpy(res
->confirm
.data
, p
, NFS4_VERIFIER_SIZE
);
5148 } else if (nfserr
== NFSERR_CLID_INUSE
) {
5151 /* skip netid string */
5152 p
= xdr_inline_decode(xdr
, 4);
5155 len
= be32_to_cpup(p
);
5156 p
= xdr_inline_decode(xdr
, len
);
5160 /* skip uaddr string */
5161 p
= xdr_inline_decode(xdr
, 4);
5164 len
= be32_to_cpup(p
);
5165 p
= xdr_inline_decode(xdr
, len
);
5168 return -NFSERR_CLID_INUSE
;
5170 return nfs4_stat_to_errno(nfserr
);
5174 print_overflow_msg(__func__
, xdr
);
5178 static int decode_setclientid_confirm(struct xdr_stream
*xdr
)
5180 return decode_op_hdr(xdr
, OP_SETCLIENTID_CONFIRM
);
5183 static int decode_write(struct xdr_stream
*xdr
, struct nfs_writeres
*res
)
5188 status
= decode_op_hdr(xdr
, OP_WRITE
);
5192 p
= xdr_inline_decode(xdr
, 8);
5195 res
->count
= be32_to_cpup(p
++);
5196 res
->verf
->committed
= be32_to_cpup(p
++);
5197 return decode_write_verifier(xdr
, &res
->verf
->verifier
);
5199 print_overflow_msg(__func__
, xdr
);
5203 static int decode_delegreturn(struct xdr_stream
*xdr
)
5205 return decode_op_hdr(xdr
, OP_DELEGRETURN
);
5208 static int decode_secinfo_gss(struct xdr_stream
*xdr
,
5209 struct nfs4_secinfo4
*flavor
)
5214 p
= xdr_inline_decode(xdr
, 4);
5217 oid_len
= be32_to_cpup(p
);
5218 if (oid_len
> GSS_OID_MAX_LEN
)
5221 p
= xdr_inline_decode(xdr
, oid_len
);
5224 memcpy(flavor
->flavor_info
.oid
.data
, p
, oid_len
);
5225 flavor
->flavor_info
.oid
.len
= oid_len
;
5227 p
= xdr_inline_decode(xdr
, 8);
5230 flavor
->flavor_info
.qop
= be32_to_cpup(p
++);
5231 flavor
->flavor_info
.service
= be32_to_cpup(p
);
5236 print_overflow_msg(__func__
, xdr
);
5242 static int decode_secinfo_common(struct xdr_stream
*xdr
, struct nfs4_secinfo_res
*res
)
5244 struct nfs4_secinfo4
*sec_flavor
;
5245 unsigned int i
, num_flavors
;
5249 p
= xdr_inline_decode(xdr
, 4);
5253 res
->flavors
->num_flavors
= 0;
5254 num_flavors
= be32_to_cpup(p
);
5256 for (i
= 0; i
< num_flavors
; i
++) {
5257 sec_flavor
= &res
->flavors
->flavors
[i
];
5258 if ((char *)&sec_flavor
[1] - (char *)res
->flavors
> PAGE_SIZE
)
5261 p
= xdr_inline_decode(xdr
, 4);
5264 sec_flavor
->flavor
= be32_to_cpup(p
);
5266 if (sec_flavor
->flavor
== RPC_AUTH_GSS
) {
5267 status
= decode_secinfo_gss(xdr
, sec_flavor
);
5271 res
->flavors
->num_flavors
++;
5278 print_overflow_msg(__func__
, xdr
);
5282 static int decode_secinfo(struct xdr_stream
*xdr
, struct nfs4_secinfo_res
*res
)
5284 int status
= decode_op_hdr(xdr
, OP_SECINFO
);
5287 return decode_secinfo_common(xdr
, res
);
5290 #if defined(CONFIG_NFS_V4_1)
5291 static int decode_secinfo_no_name(struct xdr_stream
*xdr
, struct nfs4_secinfo_res
*res
)
5293 int status
= decode_op_hdr(xdr
, OP_SECINFO_NO_NAME
);
5296 return decode_secinfo_common(xdr
, res
);
5299 static int decode_exchange_id(struct xdr_stream
*xdr
,
5300 struct nfs41_exchange_id_res
*res
)
5306 uint32_t impl_id_count
;
5308 status
= decode_op_hdr(xdr
, OP_EXCHANGE_ID
);
5312 p
= xdr_inline_decode(xdr
, 8);
5315 xdr_decode_hyper(p
, &res
->clientid
);
5316 p
= xdr_inline_decode(xdr
, 12);
5319 res
->seqid
= be32_to_cpup(p
++);
5320 res
->flags
= be32_to_cpup(p
++);
5322 /* We ask for SP4_NONE */
5323 dummy
= be32_to_cpup(p
);
5324 if (dummy
!= SP4_NONE
)
5327 /* server_owner4.so_minor_id */
5328 p
= xdr_inline_decode(xdr
, 8);
5331 p
= xdr_decode_hyper(p
, &res
->server_owner
->minor_id
);
5333 /* server_owner4.so_major_id */
5334 status
= decode_opaque_inline(xdr
, &dummy
, &dummy_str
);
5335 if (unlikely(status
))
5337 if (unlikely(dummy
> NFS4_OPAQUE_LIMIT
))
5339 memcpy(res
->server_owner
->major_id
, dummy_str
, dummy
);
5340 res
->server_owner
->major_id_sz
= dummy
;
5343 status
= decode_opaque_inline(xdr
, &dummy
, &dummy_str
);
5344 if (unlikely(status
))
5346 if (unlikely(dummy
> NFS4_OPAQUE_LIMIT
))
5348 memcpy(res
->server_scope
->server_scope
, dummy_str
, dummy
);
5349 res
->server_scope
->server_scope_sz
= dummy
;
5351 /* Implementation Id */
5352 p
= xdr_inline_decode(xdr
, 4);
5355 impl_id_count
= be32_to_cpup(p
++);
5357 if (impl_id_count
) {
5359 status
= decode_opaque_inline(xdr
, &dummy
, &dummy_str
);
5360 if (unlikely(status
))
5362 if (unlikely(dummy
> NFS4_OPAQUE_LIMIT
))
5364 memcpy(res
->impl_id
->domain
, dummy_str
, dummy
);
5367 status
= decode_opaque_inline(xdr
, &dummy
, &dummy_str
);
5368 if (unlikely(status
))
5370 if (unlikely(dummy
> NFS4_OPAQUE_LIMIT
))
5372 memcpy(res
->impl_id
->name
, dummy_str
, dummy
);
5375 p
= xdr_inline_decode(xdr
, 12);
5378 p
= xdr_decode_hyper(p
, &res
->impl_id
->date
.seconds
);
5379 res
->impl_id
->date
.nseconds
= be32_to_cpup(p
);
5381 /* if there's more than one entry, ignore the rest */
5385 print_overflow_msg(__func__
, xdr
);
5389 static int decode_chan_attrs(struct xdr_stream
*xdr
,
5390 struct nfs4_channel_attrs
*attrs
)
5395 p
= xdr_inline_decode(xdr
, 28);
5398 val
= be32_to_cpup(p
++); /* headerpadsz */
5400 return -EINVAL
; /* no support for header padding yet */
5401 attrs
->max_rqst_sz
= be32_to_cpup(p
++);
5402 attrs
->max_resp_sz
= be32_to_cpup(p
++);
5403 attrs
->max_resp_sz_cached
= be32_to_cpup(p
++);
5404 attrs
->max_ops
= be32_to_cpup(p
++);
5405 attrs
->max_reqs
= be32_to_cpup(p
++);
5406 nr_attrs
= be32_to_cpup(p
);
5407 if (unlikely(nr_attrs
> 1)) {
5408 printk(KERN_WARNING
"NFS: %s: Invalid rdma channel attrs "
5409 "count %u\n", __func__
, nr_attrs
);
5412 if (nr_attrs
== 1) {
5413 p
= xdr_inline_decode(xdr
, 4); /* skip rdma_attrs */
5419 print_overflow_msg(__func__
, xdr
);
5423 static int decode_sessionid(struct xdr_stream
*xdr
, struct nfs4_sessionid
*sid
)
5425 return decode_opaque_fixed(xdr
, sid
->data
, NFS4_MAX_SESSIONID_LEN
);
5428 static int decode_bind_conn_to_session(struct xdr_stream
*xdr
,
5429 struct nfs41_bind_conn_to_session_res
*res
)
5434 status
= decode_op_hdr(xdr
, OP_BIND_CONN_TO_SESSION
);
5436 status
= decode_sessionid(xdr
, &res
->session
->sess_id
);
5437 if (unlikely(status
))
5440 /* dir flags, rdma mode bool */
5441 p
= xdr_inline_decode(xdr
, 8);
5445 res
->dir
= be32_to_cpup(p
++);
5446 if (res
->dir
== 0 || res
->dir
> NFS4_CDFS4_BOTH
)
5448 if (be32_to_cpup(p
) == 0)
5449 res
->use_conn_in_rdma_mode
= false;
5451 res
->use_conn_in_rdma_mode
= true;
5455 print_overflow_msg(__func__
, xdr
);
5459 static int decode_create_session(struct xdr_stream
*xdr
,
5460 struct nfs41_create_session_res
*res
)
5464 struct nfs_client
*clp
= res
->client
;
5465 struct nfs4_session
*session
= clp
->cl_session
;
5467 status
= decode_op_hdr(xdr
, OP_CREATE_SESSION
);
5469 status
= decode_sessionid(xdr
, &session
->sess_id
);
5470 if (unlikely(status
))
5474 p
= xdr_inline_decode(xdr
, 8);
5477 clp
->cl_seqid
= be32_to_cpup(p
++);
5478 session
->flags
= be32_to_cpup(p
);
5480 /* Channel attributes */
5481 status
= decode_chan_attrs(xdr
, &session
->fc_attrs
);
5483 status
= decode_chan_attrs(xdr
, &session
->bc_attrs
);
5486 print_overflow_msg(__func__
, xdr
);
5490 static int decode_destroy_session(struct xdr_stream
*xdr
, void *dummy
)
5492 return decode_op_hdr(xdr
, OP_DESTROY_SESSION
);
5495 static int decode_destroy_clientid(struct xdr_stream
*xdr
, void *dummy
)
5497 return decode_op_hdr(xdr
, OP_DESTROY_CLIENTID
);
5500 static int decode_reclaim_complete(struct xdr_stream
*xdr
, void *dummy
)
5502 return decode_op_hdr(xdr
, OP_RECLAIM_COMPLETE
);
5504 #endif /* CONFIG_NFS_V4_1 */
5506 static int decode_sequence(struct xdr_stream
*xdr
,
5507 struct nfs4_sequence_res
*res
,
5508 struct rpc_rqst
*rqstp
)
5510 #if defined(CONFIG_NFS_V4_1)
5511 struct nfs4_session
*session
;
5512 struct nfs4_sessionid id
;
5517 if (res
->sr_slot
== NULL
)
5520 status
= decode_op_hdr(xdr
, OP_SEQUENCE
);
5522 status
= decode_sessionid(xdr
, &id
);
5523 if (unlikely(status
))
5527 * If the server returns different values for sessionID, slotID or
5528 * sequence number, the server is looney tunes.
5530 status
= -EREMOTEIO
;
5531 session
= res
->sr_slot
->table
->session
;
5533 if (memcmp(id
.data
, session
->sess_id
.data
,
5534 NFS4_MAX_SESSIONID_LEN
)) {
5535 dprintk("%s Invalid session id\n", __func__
);
5539 p
= xdr_inline_decode(xdr
, 20);
5544 dummy
= be32_to_cpup(p
++);
5545 if (dummy
!= res
->sr_slot
->seq_nr
) {
5546 dprintk("%s Invalid sequence number\n", __func__
);
5550 dummy
= be32_to_cpup(p
++);
5551 if (dummy
!= res
->sr_slot
->slot_nr
) {
5552 dprintk("%s Invalid slot id\n", __func__
);
5555 /* highest slot id */
5556 res
->sr_highest_slotid
= be32_to_cpup(p
++);
5557 /* target highest slot id */
5558 res
->sr_target_highest_slotid
= be32_to_cpup(p
++);
5560 res
->sr_status_flags
= be32_to_cpup(p
);
5563 res
->sr_status
= status
;
5566 print_overflow_msg(__func__
, xdr
);
5569 #else /* CONFIG_NFS_V4_1 */
5571 #endif /* CONFIG_NFS_V4_1 */
5574 #if defined(CONFIG_NFS_V4_1)
5576 * TODO: Need to handle case when EOF != true;
5578 static int decode_getdevicelist(struct xdr_stream
*xdr
,
5579 struct pnfs_devicelist
*res
)
5583 nfs4_verifier verftemp
;
5585 status
= decode_op_hdr(xdr
, OP_GETDEVICELIST
);
5589 p
= xdr_inline_decode(xdr
, 8 + 8 + 4);
5593 /* TODO: Skip cookie for now */
5597 p
= xdr_decode_opaque_fixed(p
, verftemp
.data
, NFS4_VERIFIER_SIZE
);
5599 res
->num_devs
= be32_to_cpup(p
);
5601 dprintk("%s: num_dev %d\n", __func__
, res
->num_devs
);
5603 if (res
->num_devs
> NFS4_PNFS_GETDEVLIST_MAXNUM
) {
5604 printk(KERN_ERR
"NFS: %s too many result dev_num %u\n",
5605 __func__
, res
->num_devs
);
5609 p
= xdr_inline_decode(xdr
,
5610 res
->num_devs
* NFS4_DEVICEID4_SIZE
+ 4);
5613 for (i
= 0; i
< res
->num_devs
; i
++)
5614 p
= xdr_decode_opaque_fixed(p
, res
->dev_id
[i
].data
,
5615 NFS4_DEVICEID4_SIZE
);
5616 res
->eof
= be32_to_cpup(p
);
5619 print_overflow_msg(__func__
, xdr
);
5623 static int decode_getdeviceinfo(struct xdr_stream
*xdr
,
5624 struct pnfs_device
*pdev
)
5630 status
= decode_op_hdr(xdr
, OP_GETDEVICEINFO
);
5632 if (status
== -ETOOSMALL
) {
5633 p
= xdr_inline_decode(xdr
, 4);
5636 pdev
->mincount
= be32_to_cpup(p
);
5637 dprintk("%s: Min count too small. mincnt = %u\n",
5638 __func__
, pdev
->mincount
);
5643 p
= xdr_inline_decode(xdr
, 8);
5646 type
= be32_to_cpup(p
++);
5647 if (type
!= pdev
->layout_type
) {
5648 dprintk("%s: layout mismatch req: %u pdev: %u\n",
5649 __func__
, pdev
->layout_type
, type
);
5653 * Get the length of the opaque device_addr4. xdr_read_pages places
5654 * the opaque device_addr4 in the xdr_buf->pages (pnfs_device->pages)
5655 * and places the remaining xdr data in xdr_buf->tail
5657 pdev
->mincount
= be32_to_cpup(p
);
5658 if (xdr_read_pages(xdr
, pdev
->mincount
) != pdev
->mincount
)
5661 /* Parse notification bitmap, verifying that it is zero. */
5662 p
= xdr_inline_decode(xdr
, 4);
5665 len
= be32_to_cpup(p
);
5669 p
= xdr_inline_decode(xdr
, 4 * len
);
5672 for (i
= 0; i
< len
; i
++, p
++) {
5673 if (be32_to_cpup(p
)) {
5674 dprintk("%s: notifications not supported\n",
5682 print_overflow_msg(__func__
, xdr
);
5686 static int decode_layoutget(struct xdr_stream
*xdr
, struct rpc_rqst
*req
,
5687 struct nfs4_layoutget_res
*res
)
5694 status
= decode_op_hdr(xdr
, OP_LAYOUTGET
);
5697 p
= xdr_inline_decode(xdr
, 4);
5700 res
->return_on_close
= be32_to_cpup(p
);
5701 decode_stateid(xdr
, &res
->stateid
);
5702 p
= xdr_inline_decode(xdr
, 4);
5705 layout_count
= be32_to_cpup(p
);
5706 if (!layout_count
) {
5707 dprintk("%s: server responded with empty layout array\n",
5712 p
= xdr_inline_decode(xdr
, 28);
5715 p
= xdr_decode_hyper(p
, &res
->range
.offset
);
5716 p
= xdr_decode_hyper(p
, &res
->range
.length
);
5717 res
->range
.iomode
= be32_to_cpup(p
++);
5718 res
->type
= be32_to_cpup(p
++);
5719 res
->layoutp
->len
= be32_to_cpup(p
);
5721 dprintk("%s roff:%lu rlen:%lu riomode:%d, lo_type:0x%x, lo.len:%d\n",
5723 (unsigned long)res
->range
.offset
,
5724 (unsigned long)res
->range
.length
,
5729 recvd
= xdr_read_pages(xdr
, res
->layoutp
->len
);
5730 if (res
->layoutp
->len
> recvd
) {
5731 dprintk("NFS: server cheating in layoutget reply: "
5732 "layout len %u > recvd %u\n",
5733 res
->layoutp
->len
, recvd
);
5737 if (layout_count
> 1) {
5738 /* We only handle a length one array at the moment. Any
5739 * further entries are just ignored. Note that this means
5740 * the client may see a response that is less than the
5741 * minimum it requested.
5743 dprintk("%s: server responded with %d layouts, dropping tail\n",
5744 __func__
, layout_count
);
5749 print_overflow_msg(__func__
, xdr
);
5753 static int decode_layoutreturn(struct xdr_stream
*xdr
,
5754 struct nfs4_layoutreturn_res
*res
)
5759 status
= decode_op_hdr(xdr
, OP_LAYOUTRETURN
);
5762 p
= xdr_inline_decode(xdr
, 4);
5765 res
->lrs_present
= be32_to_cpup(p
);
5766 if (res
->lrs_present
)
5767 status
= decode_stateid(xdr
, &res
->stateid
);
5770 print_overflow_msg(__func__
, xdr
);
5774 static int decode_layoutcommit(struct xdr_stream
*xdr
,
5775 struct rpc_rqst
*req
,
5776 struct nfs4_layoutcommit_res
*res
)
5782 status
= decode_op_hdr(xdr
, OP_LAYOUTCOMMIT
);
5783 res
->status
= status
;
5787 p
= xdr_inline_decode(xdr
, 4);
5790 sizechanged
= be32_to_cpup(p
);
5793 /* throw away new size */
5794 p
= xdr_inline_decode(xdr
, 8);
5800 print_overflow_msg(__func__
, xdr
);
5804 static int decode_test_stateid(struct xdr_stream
*xdr
,
5805 struct nfs41_test_stateid_res
*res
)
5811 status
= decode_op_hdr(xdr
, OP_TEST_STATEID
);
5815 p
= xdr_inline_decode(xdr
, 4);
5818 num_res
= be32_to_cpup(p
++);
5822 p
= xdr_inline_decode(xdr
, 4);
5825 res
->status
= be32_to_cpup(p
++);
5829 print_overflow_msg(__func__
, xdr
);
5834 static int decode_free_stateid(struct xdr_stream
*xdr
,
5835 struct nfs41_free_stateid_res
*res
)
5840 status
= decode_op_hdr(xdr
, OP_FREE_STATEID
);
5844 p
= xdr_inline_decode(xdr
, 4);
5847 res
->status
= be32_to_cpup(p
++);
5850 print_overflow_msg(__func__
, xdr
);
5853 #endif /* CONFIG_NFS_V4_1 */
5856 * END OF "GENERIC" DECODE ROUTINES.
5860 * Decode OPEN_DOWNGRADE response
5862 static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst
*rqstp
,
5863 struct xdr_stream
*xdr
,
5864 struct nfs_closeres
*res
)
5866 struct compound_hdr hdr
;
5869 status
= decode_compound_hdr(xdr
, &hdr
);
5872 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
5875 status
= decode_putfh(xdr
);
5878 status
= decode_open_downgrade(xdr
, res
);
5881 decode_getfattr(xdr
, res
->fattr
, res
->server
);
5887 * Decode ACCESS response
5889 static int nfs4_xdr_dec_access(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
5890 struct nfs4_accessres
*res
)
5892 struct compound_hdr hdr
;
5895 status
= decode_compound_hdr(xdr
, &hdr
);
5898 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
5901 status
= decode_putfh(xdr
);
5904 status
= decode_access(xdr
, &res
->supported
, &res
->access
);
5907 decode_getfattr(xdr
, res
->fattr
, res
->server
);
5913 * Decode LOOKUP response
5915 static int nfs4_xdr_dec_lookup(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
5916 struct nfs4_lookup_res
*res
)
5918 struct compound_hdr hdr
;
5921 status
= decode_compound_hdr(xdr
, &hdr
);
5924 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
5927 status
= decode_putfh(xdr
);
5930 status
= decode_lookup(xdr
);
5933 status
= decode_getfh(xdr
, res
->fh
);
5936 status
= decode_getfattr(xdr
, res
->fattr
, res
->server
);
5942 * Decode LOOKUP_ROOT response
5944 static int nfs4_xdr_dec_lookup_root(struct rpc_rqst
*rqstp
,
5945 struct xdr_stream
*xdr
,
5946 struct nfs4_lookup_res
*res
)
5948 struct compound_hdr hdr
;
5951 status
= decode_compound_hdr(xdr
, &hdr
);
5954 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
5957 status
= decode_putrootfh(xdr
);
5960 status
= decode_getfh(xdr
, res
->fh
);
5962 status
= decode_getfattr(xdr
, res
->fattr
, res
->server
);
5968 * Decode REMOVE response
5970 static int nfs4_xdr_dec_remove(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
5971 struct nfs_removeres
*res
)
5973 struct compound_hdr hdr
;
5976 status
= decode_compound_hdr(xdr
, &hdr
);
5979 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
5982 status
= decode_putfh(xdr
);
5985 status
= decode_remove(xdr
, &res
->cinfo
);
5991 * Decode RENAME response
5993 static int nfs4_xdr_dec_rename(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
5994 struct nfs_renameres
*res
)
5996 struct compound_hdr hdr
;
5999 status
= decode_compound_hdr(xdr
, &hdr
);
6002 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6005 status
= decode_putfh(xdr
);
6008 status
= decode_savefh(xdr
);
6011 status
= decode_putfh(xdr
);
6014 status
= decode_rename(xdr
, &res
->old_cinfo
, &res
->new_cinfo
);
6020 * Decode LINK response
6022 static int nfs4_xdr_dec_link(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6023 struct nfs4_link_res
*res
)
6025 struct compound_hdr hdr
;
6028 status
= decode_compound_hdr(xdr
, &hdr
);
6031 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6034 status
= decode_putfh(xdr
);
6037 status
= decode_savefh(xdr
);
6040 status
= decode_putfh(xdr
);
6043 status
= decode_link(xdr
, &res
->cinfo
);
6047 * Note order: OP_LINK leaves the directory as the current
6050 status
= decode_restorefh(xdr
);
6053 decode_getfattr(xdr
, res
->fattr
, res
->server
);
6059 * Decode CREATE response
6061 static int nfs4_xdr_dec_create(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6062 struct nfs4_create_res
*res
)
6064 struct compound_hdr hdr
;
6067 status
= decode_compound_hdr(xdr
, &hdr
);
6070 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6073 status
= decode_putfh(xdr
);
6076 status
= decode_create(xdr
, &res
->dir_cinfo
);
6079 status
= decode_getfh(xdr
, res
->fh
);
6082 decode_getfattr(xdr
, res
->fattr
, res
->server
);
6088 * Decode SYMLINK response
6090 static int nfs4_xdr_dec_symlink(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6091 struct nfs4_create_res
*res
)
6093 return nfs4_xdr_dec_create(rqstp
, xdr
, res
);
6097 * Decode GETATTR response
6099 static int nfs4_xdr_dec_getattr(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6100 struct nfs4_getattr_res
*res
)
6102 struct compound_hdr hdr
;
6105 status
= decode_compound_hdr(xdr
, &hdr
);
6108 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6111 status
= decode_putfh(xdr
);
6114 status
= decode_getfattr(xdr
, res
->fattr
, res
->server
);
6120 * Encode an SETACL request
6122 static void nfs4_xdr_enc_setacl(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
6123 struct nfs_setaclargs
*args
)
6125 struct compound_hdr hdr
= {
6126 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
6129 encode_compound_hdr(xdr
, req
, &hdr
);
6130 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
6131 encode_putfh(xdr
, args
->fh
, &hdr
);
6132 encode_setacl(xdr
, args
, &hdr
);
6137 * Decode SETACL response
6140 nfs4_xdr_dec_setacl(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6141 struct nfs_setaclres
*res
)
6143 struct compound_hdr hdr
;
6146 status
= decode_compound_hdr(xdr
, &hdr
);
6149 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6152 status
= decode_putfh(xdr
);
6155 status
= decode_setattr(xdr
);
6161 * Decode GETACL response
6164 nfs4_xdr_dec_getacl(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6165 struct nfs_getaclres
*res
)
6167 struct compound_hdr hdr
;
6170 if (res
->acl_scratch
!= NULL
) {
6171 void *p
= page_address(res
->acl_scratch
);
6172 xdr_set_scratch_buffer(xdr
, p
, PAGE_SIZE
);
6174 status
= decode_compound_hdr(xdr
, &hdr
);
6177 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6180 status
= decode_putfh(xdr
);
6183 status
= decode_getacl(xdr
, rqstp
, res
);
6190 * Decode CLOSE response
6192 static int nfs4_xdr_dec_close(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6193 struct nfs_closeres
*res
)
6195 struct compound_hdr hdr
;
6198 status
= decode_compound_hdr(xdr
, &hdr
);
6201 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6204 status
= decode_putfh(xdr
);
6207 status
= decode_close(xdr
, res
);
6211 * Note: Server may do delete on close for this file
6212 * in which case the getattr call will fail with
6213 * an ESTALE error. Shouldn't be a problem,
6214 * though, since fattr->valid will remain unset.
6216 decode_getfattr(xdr
, res
->fattr
, res
->server
);
6222 * Decode OPEN response
6224 static int nfs4_xdr_dec_open(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6225 struct nfs_openres
*res
)
6227 struct compound_hdr hdr
;
6230 status
= decode_compound_hdr(xdr
, &hdr
);
6233 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6236 status
= decode_putfh(xdr
);
6239 status
= decode_open(xdr
, res
);
6242 status
= decode_getfh(xdr
, &res
->fh
);
6245 if (res
->access_request
)
6246 decode_access(xdr
, &res
->access_supported
, &res
->access_result
);
6247 decode_getfattr(xdr
, res
->f_attr
, res
->server
);
6253 * Decode OPEN_CONFIRM response
6255 static int nfs4_xdr_dec_open_confirm(struct rpc_rqst
*rqstp
,
6256 struct xdr_stream
*xdr
,
6257 struct nfs_open_confirmres
*res
)
6259 struct compound_hdr hdr
;
6262 status
= decode_compound_hdr(xdr
, &hdr
);
6265 status
= decode_putfh(xdr
);
6268 status
= decode_open_confirm(xdr
, res
);
6274 * Decode OPEN response
6276 static int nfs4_xdr_dec_open_noattr(struct rpc_rqst
*rqstp
,
6277 struct xdr_stream
*xdr
,
6278 struct nfs_openres
*res
)
6280 struct compound_hdr hdr
;
6283 status
= decode_compound_hdr(xdr
, &hdr
);
6286 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6289 status
= decode_putfh(xdr
);
6292 status
= decode_open(xdr
, res
);
6295 if (res
->access_request
)
6296 decode_access(xdr
, &res
->access_supported
, &res
->access_result
);
6297 decode_getfattr(xdr
, res
->f_attr
, res
->server
);
6303 * Decode SETATTR response
6305 static int nfs4_xdr_dec_setattr(struct rpc_rqst
*rqstp
,
6306 struct xdr_stream
*xdr
,
6307 struct nfs_setattrres
*res
)
6309 struct compound_hdr hdr
;
6312 status
= decode_compound_hdr(xdr
, &hdr
);
6315 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6318 status
= decode_putfh(xdr
);
6321 status
= decode_setattr(xdr
);
6324 decode_getfattr(xdr
, res
->fattr
, res
->server
);
6330 * Decode LOCK response
6332 static int nfs4_xdr_dec_lock(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6333 struct nfs_lock_res
*res
)
6335 struct compound_hdr hdr
;
6338 status
= decode_compound_hdr(xdr
, &hdr
);
6341 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6344 status
= decode_putfh(xdr
);
6347 status
= decode_lock(xdr
, res
);
6353 * Decode LOCKT response
6355 static int nfs4_xdr_dec_lockt(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6356 struct nfs_lockt_res
*res
)
6358 struct compound_hdr hdr
;
6361 status
= decode_compound_hdr(xdr
, &hdr
);
6364 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6367 status
= decode_putfh(xdr
);
6370 status
= decode_lockt(xdr
, res
);
6376 * Decode LOCKU response
6378 static int nfs4_xdr_dec_locku(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6379 struct nfs_locku_res
*res
)
6381 struct compound_hdr hdr
;
6384 status
= decode_compound_hdr(xdr
, &hdr
);
6387 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6390 status
= decode_putfh(xdr
);
6393 status
= decode_locku(xdr
, res
);
6398 static int nfs4_xdr_dec_release_lockowner(struct rpc_rqst
*rqstp
,
6399 struct xdr_stream
*xdr
, void *dummy
)
6401 struct compound_hdr hdr
;
6404 status
= decode_compound_hdr(xdr
, &hdr
);
6406 status
= decode_release_lockowner(xdr
);
6411 * Decode READLINK response
6413 static int nfs4_xdr_dec_readlink(struct rpc_rqst
*rqstp
,
6414 struct xdr_stream
*xdr
,
6415 struct nfs4_readlink_res
*res
)
6417 struct compound_hdr hdr
;
6420 status
= decode_compound_hdr(xdr
, &hdr
);
6423 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6426 status
= decode_putfh(xdr
);
6429 status
= decode_readlink(xdr
, rqstp
);
6435 * Decode READDIR response
6437 static int nfs4_xdr_dec_readdir(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6438 struct nfs4_readdir_res
*res
)
6440 struct compound_hdr hdr
;
6443 status
= decode_compound_hdr(xdr
, &hdr
);
6446 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6449 status
= decode_putfh(xdr
);
6452 status
= decode_readdir(xdr
, rqstp
, res
);
6458 * Decode Read response
6460 static int nfs4_xdr_dec_read(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6461 struct nfs_readres
*res
)
6463 struct compound_hdr hdr
;
6466 status
= decode_compound_hdr(xdr
, &hdr
);
6469 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6472 status
= decode_putfh(xdr
);
6475 status
= decode_read(xdr
, rqstp
, res
);
6477 status
= res
->count
;
6483 * Decode WRITE response
6485 static int nfs4_xdr_dec_write(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6486 struct nfs_writeres
*res
)
6488 struct compound_hdr hdr
;
6491 status
= decode_compound_hdr(xdr
, &hdr
);
6494 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6497 status
= decode_putfh(xdr
);
6500 status
= decode_write(xdr
, res
);
6504 decode_getfattr(xdr
, res
->fattr
, res
->server
);
6506 status
= res
->count
;
6512 * Decode COMMIT response
6514 static int nfs4_xdr_dec_commit(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6515 struct nfs_commitres
*res
)
6517 struct compound_hdr hdr
;
6520 status
= decode_compound_hdr(xdr
, &hdr
);
6523 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6526 status
= decode_putfh(xdr
);
6529 status
= decode_commit(xdr
, res
);
6535 * Decode FSINFO response
6537 static int nfs4_xdr_dec_fsinfo(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
6538 struct nfs4_fsinfo_res
*res
)
6540 struct compound_hdr hdr
;
6543 status
= decode_compound_hdr(xdr
, &hdr
);
6545 status
= decode_sequence(xdr
, &res
->seq_res
, req
);
6547 status
= decode_putfh(xdr
);
6549 status
= decode_fsinfo(xdr
, res
->fsinfo
);
6554 * Decode PATHCONF response
6556 static int nfs4_xdr_dec_pathconf(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
6557 struct nfs4_pathconf_res
*res
)
6559 struct compound_hdr hdr
;
6562 status
= decode_compound_hdr(xdr
, &hdr
);
6564 status
= decode_sequence(xdr
, &res
->seq_res
, req
);
6566 status
= decode_putfh(xdr
);
6568 status
= decode_pathconf(xdr
, res
->pathconf
);
6573 * Decode STATFS response
6575 static int nfs4_xdr_dec_statfs(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
6576 struct nfs4_statfs_res
*res
)
6578 struct compound_hdr hdr
;
6581 status
= decode_compound_hdr(xdr
, &hdr
);
6583 status
= decode_sequence(xdr
, &res
->seq_res
, req
);
6585 status
= decode_putfh(xdr
);
6587 status
= decode_statfs(xdr
, res
->fsstat
);
6592 * Decode GETATTR_BITMAP response
6594 static int nfs4_xdr_dec_server_caps(struct rpc_rqst
*req
,
6595 struct xdr_stream
*xdr
,
6596 struct nfs4_server_caps_res
*res
)
6598 struct compound_hdr hdr
;
6601 status
= decode_compound_hdr(xdr
, &hdr
);
6604 status
= decode_sequence(xdr
, &res
->seq_res
, req
);
6607 status
= decode_putfh(xdr
);
6610 status
= decode_server_caps(xdr
, res
);
6616 * Decode RENEW response
6618 static int nfs4_xdr_dec_renew(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6621 struct compound_hdr hdr
;
6624 status
= decode_compound_hdr(xdr
, &hdr
);
6626 status
= decode_renew(xdr
);
6631 * Decode SETCLIENTID response
6633 static int nfs4_xdr_dec_setclientid(struct rpc_rqst
*req
,
6634 struct xdr_stream
*xdr
,
6635 struct nfs4_setclientid_res
*res
)
6637 struct compound_hdr hdr
;
6640 status
= decode_compound_hdr(xdr
, &hdr
);
6642 status
= decode_setclientid(xdr
, res
);
6647 * Decode SETCLIENTID_CONFIRM response
6649 static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst
*req
,
6650 struct xdr_stream
*xdr
,
6651 struct nfs_fsinfo
*fsinfo
)
6653 struct compound_hdr hdr
;
6656 status
= decode_compound_hdr(xdr
, &hdr
);
6658 status
= decode_setclientid_confirm(xdr
);
6660 status
= decode_putrootfh(xdr
);
6662 status
= decode_fsinfo(xdr
, fsinfo
);
6667 * Decode DELEGRETURN response
6669 static int nfs4_xdr_dec_delegreturn(struct rpc_rqst
*rqstp
,
6670 struct xdr_stream
*xdr
,
6671 struct nfs4_delegreturnres
*res
)
6673 struct compound_hdr hdr
;
6676 status
= decode_compound_hdr(xdr
, &hdr
);
6679 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6682 status
= decode_putfh(xdr
);
6685 status
= decode_getfattr(xdr
, res
->fattr
, res
->server
);
6688 status
= decode_delegreturn(xdr
);
6694 * Decode FS_LOCATIONS response
6696 static int nfs4_xdr_dec_fs_locations(struct rpc_rqst
*req
,
6697 struct xdr_stream
*xdr
,
6698 struct nfs4_fs_locations_res
*res
)
6700 struct compound_hdr hdr
;
6703 status
= decode_compound_hdr(xdr
, &hdr
);
6706 status
= decode_sequence(xdr
, &res
->seq_res
, req
);
6709 status
= decode_putfh(xdr
);
6712 status
= decode_lookup(xdr
);
6715 xdr_enter_page(xdr
, PAGE_SIZE
);
6716 status
= decode_getfattr_generic(xdr
, &res
->fs_locations
->fattr
,
6717 NULL
, res
->fs_locations
,
6718 res
->fs_locations
->server
);
6724 * Decode SECINFO response
6726 static int nfs4_xdr_dec_secinfo(struct rpc_rqst
*rqstp
,
6727 struct xdr_stream
*xdr
,
6728 struct nfs4_secinfo_res
*res
)
6730 struct compound_hdr hdr
;
6733 status
= decode_compound_hdr(xdr
, &hdr
);
6736 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6739 status
= decode_putfh(xdr
);
6742 status
= decode_secinfo(xdr
, res
);
6747 #if defined(CONFIG_NFS_V4_1)
6749 * Decode BIND_CONN_TO_SESSION response
6751 static int nfs4_xdr_dec_bind_conn_to_session(struct rpc_rqst
*rqstp
,
6752 struct xdr_stream
*xdr
,
6755 struct compound_hdr hdr
;
6758 status
= decode_compound_hdr(xdr
, &hdr
);
6760 status
= decode_bind_conn_to_session(xdr
, res
);
6765 * Decode EXCHANGE_ID response
6767 static int nfs4_xdr_dec_exchange_id(struct rpc_rqst
*rqstp
,
6768 struct xdr_stream
*xdr
,
6771 struct compound_hdr hdr
;
6774 status
= decode_compound_hdr(xdr
, &hdr
);
6776 status
= decode_exchange_id(xdr
, res
);
6781 * Decode CREATE_SESSION response
6783 static int nfs4_xdr_dec_create_session(struct rpc_rqst
*rqstp
,
6784 struct xdr_stream
*xdr
,
6785 struct nfs41_create_session_res
*res
)
6787 struct compound_hdr hdr
;
6790 status
= decode_compound_hdr(xdr
, &hdr
);
6792 status
= decode_create_session(xdr
, res
);
6797 * Decode DESTROY_SESSION response
6799 static int nfs4_xdr_dec_destroy_session(struct rpc_rqst
*rqstp
,
6800 struct xdr_stream
*xdr
,
6803 struct compound_hdr hdr
;
6806 status
= decode_compound_hdr(xdr
, &hdr
);
6808 status
= decode_destroy_session(xdr
, res
);
6813 * Decode DESTROY_CLIENTID response
6815 static int nfs4_xdr_dec_destroy_clientid(struct rpc_rqst
*rqstp
,
6816 struct xdr_stream
*xdr
,
6819 struct compound_hdr hdr
;
6822 status
= decode_compound_hdr(xdr
, &hdr
);
6824 status
= decode_destroy_clientid(xdr
, res
);
6829 * Decode SEQUENCE response
6831 static int nfs4_xdr_dec_sequence(struct rpc_rqst
*rqstp
,
6832 struct xdr_stream
*xdr
,
6833 struct nfs4_sequence_res
*res
)
6835 struct compound_hdr hdr
;
6838 status
= decode_compound_hdr(xdr
, &hdr
);
6840 status
= decode_sequence(xdr
, res
, rqstp
);
6845 * Decode GET_LEASE_TIME response
6847 static int nfs4_xdr_dec_get_lease_time(struct rpc_rqst
*rqstp
,
6848 struct xdr_stream
*xdr
,
6849 struct nfs4_get_lease_time_res
*res
)
6851 struct compound_hdr hdr
;
6854 status
= decode_compound_hdr(xdr
, &hdr
);
6856 status
= decode_sequence(xdr
, &res
->lr_seq_res
, rqstp
);
6858 status
= decode_putrootfh(xdr
);
6860 status
= decode_fsinfo(xdr
, res
->lr_fsinfo
);
6865 * Decode RECLAIM_COMPLETE response
6867 static int nfs4_xdr_dec_reclaim_complete(struct rpc_rqst
*rqstp
,
6868 struct xdr_stream
*xdr
,
6869 struct nfs41_reclaim_complete_res
*res
)
6871 struct compound_hdr hdr
;
6874 status
= decode_compound_hdr(xdr
, &hdr
);
6876 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6878 status
= decode_reclaim_complete(xdr
, (void *)NULL
);
6883 * Decode GETDEVICELIST response
6885 static int nfs4_xdr_dec_getdevicelist(struct rpc_rqst
*rqstp
,
6886 struct xdr_stream
*xdr
,
6887 struct nfs4_getdevicelist_res
*res
)
6889 struct compound_hdr hdr
;
6892 dprintk("encoding getdevicelist!\n");
6894 status
= decode_compound_hdr(xdr
, &hdr
);
6897 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6900 status
= decode_putfh(xdr
);
6903 status
= decode_getdevicelist(xdr
, res
->devlist
);
6909 * Decode GETDEVINFO response
6911 static int nfs4_xdr_dec_getdeviceinfo(struct rpc_rqst
*rqstp
,
6912 struct xdr_stream
*xdr
,
6913 struct nfs4_getdeviceinfo_res
*res
)
6915 struct compound_hdr hdr
;
6918 status
= decode_compound_hdr(xdr
, &hdr
);
6921 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6924 status
= decode_getdeviceinfo(xdr
, res
->pdev
);
6930 * Decode LAYOUTGET response
6932 static int nfs4_xdr_dec_layoutget(struct rpc_rqst
*rqstp
,
6933 struct xdr_stream
*xdr
,
6934 struct nfs4_layoutget_res
*res
)
6936 struct compound_hdr hdr
;
6939 status
= decode_compound_hdr(xdr
, &hdr
);
6942 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6945 status
= decode_putfh(xdr
);
6948 status
= decode_layoutget(xdr
, rqstp
, res
);
6954 * Decode LAYOUTRETURN response
6956 static int nfs4_xdr_dec_layoutreturn(struct rpc_rqst
*rqstp
,
6957 struct xdr_stream
*xdr
,
6958 struct nfs4_layoutreturn_res
*res
)
6960 struct compound_hdr hdr
;
6963 status
= decode_compound_hdr(xdr
, &hdr
);
6966 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6969 status
= decode_putfh(xdr
);
6972 status
= decode_layoutreturn(xdr
, res
);
6978 * Decode LAYOUTCOMMIT response
6980 static int nfs4_xdr_dec_layoutcommit(struct rpc_rqst
*rqstp
,
6981 struct xdr_stream
*xdr
,
6982 struct nfs4_layoutcommit_res
*res
)
6984 struct compound_hdr hdr
;
6987 status
= decode_compound_hdr(xdr
, &hdr
);
6990 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6993 status
= decode_putfh(xdr
);
6996 status
= decode_layoutcommit(xdr
, rqstp
, res
);
6999 decode_getfattr(xdr
, res
->fattr
, res
->server
);
7005 * Decode SECINFO_NO_NAME response
7007 static int nfs4_xdr_dec_secinfo_no_name(struct rpc_rqst
*rqstp
,
7008 struct xdr_stream
*xdr
,
7009 struct nfs4_secinfo_res
*res
)
7011 struct compound_hdr hdr
;
7014 status
= decode_compound_hdr(xdr
, &hdr
);
7017 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
7020 status
= decode_putrootfh(xdr
);
7023 status
= decode_secinfo_no_name(xdr
, res
);
7029 * Decode TEST_STATEID response
7031 static int nfs4_xdr_dec_test_stateid(struct rpc_rqst
*rqstp
,
7032 struct xdr_stream
*xdr
,
7033 struct nfs41_test_stateid_res
*res
)
7035 struct compound_hdr hdr
;
7038 status
= decode_compound_hdr(xdr
, &hdr
);
7041 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
7044 status
= decode_test_stateid(xdr
, res
);
7050 * Decode FREE_STATEID response
7052 static int nfs4_xdr_dec_free_stateid(struct rpc_rqst
*rqstp
,
7053 struct xdr_stream
*xdr
,
7054 struct nfs41_free_stateid_res
*res
)
7056 struct compound_hdr hdr
;
7059 status
= decode_compound_hdr(xdr
, &hdr
);
7062 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
7065 status
= decode_free_stateid(xdr
, res
);
7069 #endif /* CONFIG_NFS_V4_1 */
7072 * nfs4_decode_dirent - Decode a single NFSv4 directory entry stored in
7073 * the local page cache.
7074 * @xdr: XDR stream where entry resides
7075 * @entry: buffer to fill in with entry data
7076 * @plus: boolean indicating whether this should be a readdirplus entry
7078 * Returns zero if successful, otherwise a negative errno value is
7081 * This function is not invoked during READDIR reply decoding, but
7082 * rather whenever an application invokes the getdents(2) system call
7083 * on a directory already in our cache.
7085 int nfs4_decode_dirent(struct xdr_stream
*xdr
, struct nfs_entry
*entry
,
7089 uint32_t bitmap
[3] = {0};
7091 __be32
*p
= xdr_inline_decode(xdr
, 4);
7094 if (*p
== xdr_zero
) {
7095 p
= xdr_inline_decode(xdr
, 4);
7104 p
= xdr_inline_decode(xdr
, 12);
7107 entry
->prev_cookie
= entry
->cookie
;
7108 p
= xdr_decode_hyper(p
, &entry
->cookie
);
7109 entry
->len
= be32_to_cpup(p
);
7111 p
= xdr_inline_decode(xdr
, entry
->len
);
7114 entry
->name
= (const char *) p
;
7117 * In case the server doesn't return an inode number,
7118 * we fake one here. (We don't use inode number 0,
7119 * since glibc seems to choke on it...)
7122 entry
->fattr
->valid
= 0;
7124 if (decode_attr_bitmap(xdr
, bitmap
) < 0)
7127 if (decode_attr_length(xdr
, &len
, &savep
) < 0)
7130 if (decode_getfattr_attrs(xdr
, bitmap
, entry
->fattr
, entry
->fh
,
7131 NULL
, entry
->server
) < 0)
7133 if (entry
->fattr
->valid
& NFS_ATTR_FATTR_MOUNTED_ON_FILEID
)
7134 entry
->ino
= entry
->fattr
->mounted_on_fileid
;
7135 else if (entry
->fattr
->valid
& NFS_ATTR_FATTR_FILEID
)
7136 entry
->ino
= entry
->fattr
->fileid
;
7138 entry
->d_type
= DT_UNKNOWN
;
7139 if (entry
->fattr
->valid
& NFS_ATTR_FATTR_TYPE
)
7140 entry
->d_type
= nfs_umode_to_dtype(entry
->fattr
->mode
);
7145 print_overflow_msg(__func__
, xdr
);
7150 * We need to translate between nfs status return values and
7151 * the local errno values which may not be the same.
7158 { NFS4ERR_PERM
, -EPERM
},
7159 { NFS4ERR_NOENT
, -ENOENT
},
7160 { NFS4ERR_IO
, -errno_NFSERR_IO
},
7161 { NFS4ERR_NXIO
, -ENXIO
},
7162 { NFS4ERR_ACCESS
, -EACCES
},
7163 { NFS4ERR_EXIST
, -EEXIST
},
7164 { NFS4ERR_XDEV
, -EXDEV
},
7165 { NFS4ERR_NOTDIR
, -ENOTDIR
},
7166 { NFS4ERR_ISDIR
, -EISDIR
},
7167 { NFS4ERR_INVAL
, -EINVAL
},
7168 { NFS4ERR_FBIG
, -EFBIG
},
7169 { NFS4ERR_NOSPC
, -ENOSPC
},
7170 { NFS4ERR_ROFS
, -EROFS
},
7171 { NFS4ERR_MLINK
, -EMLINK
},
7172 { NFS4ERR_NAMETOOLONG
, -ENAMETOOLONG
},
7173 { NFS4ERR_NOTEMPTY
, -ENOTEMPTY
},
7174 { NFS4ERR_DQUOT
, -EDQUOT
},
7175 { NFS4ERR_STALE
, -ESTALE
},
7176 { NFS4ERR_BADHANDLE
, -EBADHANDLE
},
7177 { NFS4ERR_BAD_COOKIE
, -EBADCOOKIE
},
7178 { NFS4ERR_NOTSUPP
, -ENOTSUPP
},
7179 { NFS4ERR_TOOSMALL
, -ETOOSMALL
},
7180 { NFS4ERR_SERVERFAULT
, -EREMOTEIO
},
7181 { NFS4ERR_BADTYPE
, -EBADTYPE
},
7182 { NFS4ERR_LOCKED
, -EAGAIN
},
7183 { NFS4ERR_SYMLINK
, -ELOOP
},
7184 { NFS4ERR_OP_ILLEGAL
, -EOPNOTSUPP
},
7185 { NFS4ERR_DEADLOCK
, -EDEADLK
},
7190 * Convert an NFS error code to a local one.
7191 * This one is used jointly by NFSv2 and NFSv3.
7194 nfs4_stat_to_errno(int stat
)
7197 for (i
= 0; nfs_errtbl
[i
].stat
!= -1; i
++) {
7198 if (nfs_errtbl
[i
].stat
== stat
)
7199 return nfs_errtbl
[i
].errno
;
7201 if (stat
<= 10000 || stat
> 10100) {
7202 /* The server is looney tunes. */
7205 /* If we cannot translate the error, the recovery routines should
7207 * Note: remaining NFSv4 error codes have values > 10000, so should
7208 * not conflict with native Linux error codes.
7213 #define PROC(proc, argtype, restype) \
7214 [NFSPROC4_CLNT_##proc] = { \
7215 .p_proc = NFSPROC4_COMPOUND, \
7216 .p_encode = (kxdreproc_t)nfs4_xdr_##argtype, \
7217 .p_decode = (kxdrdproc_t)nfs4_xdr_##restype, \
7218 .p_arglen = NFS4_##argtype##_sz, \
7219 .p_replen = NFS4_##restype##_sz, \
7220 .p_statidx = NFSPROC4_CLNT_##proc, \
7224 struct rpc_procinfo nfs4_procedures
[] = {
7225 PROC(READ
, enc_read
, dec_read
),
7226 PROC(WRITE
, enc_write
, dec_write
),
7227 PROC(COMMIT
, enc_commit
, dec_commit
),
7228 PROC(OPEN
, enc_open
, dec_open
),
7229 PROC(OPEN_CONFIRM
, enc_open_confirm
, dec_open_confirm
),
7230 PROC(OPEN_NOATTR
, enc_open_noattr
, dec_open_noattr
),
7231 PROC(OPEN_DOWNGRADE
, enc_open_downgrade
, dec_open_downgrade
),
7232 PROC(CLOSE
, enc_close
, dec_close
),
7233 PROC(SETATTR
, enc_setattr
, dec_setattr
),
7234 PROC(FSINFO
, enc_fsinfo
, dec_fsinfo
),
7235 PROC(RENEW
, enc_renew
, dec_renew
),
7236 PROC(SETCLIENTID
, enc_setclientid
, dec_setclientid
),
7237 PROC(SETCLIENTID_CONFIRM
, enc_setclientid_confirm
, dec_setclientid_confirm
),
7238 PROC(LOCK
, enc_lock
, dec_lock
),
7239 PROC(LOCKT
, enc_lockt
, dec_lockt
),
7240 PROC(LOCKU
, enc_locku
, dec_locku
),
7241 PROC(ACCESS
, enc_access
, dec_access
),
7242 PROC(GETATTR
, enc_getattr
, dec_getattr
),
7243 PROC(LOOKUP
, enc_lookup
, dec_lookup
),
7244 PROC(LOOKUP_ROOT
, enc_lookup_root
, dec_lookup_root
),
7245 PROC(REMOVE
, enc_remove
, dec_remove
),
7246 PROC(RENAME
, enc_rename
, dec_rename
),
7247 PROC(LINK
, enc_link
, dec_link
),
7248 PROC(SYMLINK
, enc_symlink
, dec_symlink
),
7249 PROC(CREATE
, enc_create
, dec_create
),
7250 PROC(PATHCONF
, enc_pathconf
, dec_pathconf
),
7251 PROC(STATFS
, enc_statfs
, dec_statfs
),
7252 PROC(READLINK
, enc_readlink
, dec_readlink
),
7253 PROC(READDIR
, enc_readdir
, dec_readdir
),
7254 PROC(SERVER_CAPS
, enc_server_caps
, dec_server_caps
),
7255 PROC(DELEGRETURN
, enc_delegreturn
, dec_delegreturn
),
7256 PROC(GETACL
, enc_getacl
, dec_getacl
),
7257 PROC(SETACL
, enc_setacl
, dec_setacl
),
7258 PROC(FS_LOCATIONS
, enc_fs_locations
, dec_fs_locations
),
7259 PROC(RELEASE_LOCKOWNER
, enc_release_lockowner
, dec_release_lockowner
),
7260 PROC(SECINFO
, enc_secinfo
, dec_secinfo
),
7261 #if defined(CONFIG_NFS_V4_1)
7262 PROC(EXCHANGE_ID
, enc_exchange_id
, dec_exchange_id
),
7263 PROC(CREATE_SESSION
, enc_create_session
, dec_create_session
),
7264 PROC(DESTROY_SESSION
, enc_destroy_session
, dec_destroy_session
),
7265 PROC(SEQUENCE
, enc_sequence
, dec_sequence
),
7266 PROC(GET_LEASE_TIME
, enc_get_lease_time
, dec_get_lease_time
),
7267 PROC(RECLAIM_COMPLETE
, enc_reclaim_complete
, dec_reclaim_complete
),
7268 PROC(GETDEVICEINFO
, enc_getdeviceinfo
, dec_getdeviceinfo
),
7269 PROC(LAYOUTGET
, enc_layoutget
, dec_layoutget
),
7270 PROC(LAYOUTCOMMIT
, enc_layoutcommit
, dec_layoutcommit
),
7271 PROC(LAYOUTRETURN
, enc_layoutreturn
, dec_layoutreturn
),
7272 PROC(SECINFO_NO_NAME
, enc_secinfo_no_name
, dec_secinfo_no_name
),
7273 PROC(TEST_STATEID
, enc_test_stateid
, dec_test_stateid
),
7274 PROC(FREE_STATEID
, enc_free_stateid
, dec_free_stateid
),
7275 PROC(GETDEVICELIST
, enc_getdevicelist
, dec_getdevicelist
),
7276 PROC(BIND_CONN_TO_SESSION
,
7277 enc_bind_conn_to_session
, dec_bind_conn_to_session
),
7278 PROC(DESTROY_CLIENTID
, enc_destroy_clientid
, dec_destroy_clientid
),
7279 #endif /* CONFIG_NFS_V4_1 */
7282 const struct rpc_version nfs_version4
= {
7284 .nrprocs
= ARRAY_SIZE(nfs4_procedures
),
7285 .procs
= nfs4_procedures