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 #ifdef CONFIG_NFS_V4_SECURITY_LABEL
106 /* PI(4 bytes) + LFS(4 bytes) + 1(for null terminator?) + MAXLABELLEN */
107 #define nfs4_label_maxsz (4 + 4 + 1 + XDR_QUADLEN(NFS4_MAXLABELLEN))
108 #define encode_readdir_space 24
109 #define encode_readdir_bitmask_sz 3
111 #define nfs4_label_maxsz 0
112 #define encode_readdir_space 20
113 #define encode_readdir_bitmask_sz 2
115 /* We support only one layout type per file system */
116 #define decode_mdsthreshold_maxsz (1 + 1 + nfs4_fattr_bitmap_maxsz + 1 + 8)
117 /* This is based on getfattr, which uses the most attributes: */
118 #define nfs4_fattr_value_maxsz (1 + (1 + 2 + 2 + 4 + 2 + 1 + 1 + 2 + 2 + \
119 3 + 3 + 3 + nfs4_owner_maxsz + \
120 nfs4_group_maxsz + nfs4_label_maxsz + \
121 decode_mdsthreshold_maxsz))
122 #define nfs4_fattr_maxsz (nfs4_fattr_bitmap_maxsz + \
123 nfs4_fattr_value_maxsz)
124 #define decode_getattr_maxsz (op_decode_hdr_maxsz + nfs4_fattr_maxsz)
125 #define encode_attrs_maxsz (nfs4_fattr_bitmap_maxsz + \
131 #define encode_savefh_maxsz (op_encode_hdr_maxsz)
132 #define decode_savefh_maxsz (op_decode_hdr_maxsz)
133 #define encode_restorefh_maxsz (op_encode_hdr_maxsz)
134 #define decode_restorefh_maxsz (op_decode_hdr_maxsz)
135 #define encode_fsinfo_maxsz (encode_getattr_maxsz)
136 /* The 5 accounts for the PNFS attributes, and assumes that at most three
137 * layout types will be returned.
139 #define decode_fsinfo_maxsz (op_decode_hdr_maxsz + \
140 nfs4_fattr_bitmap_maxsz + 4 + 8 + 5)
141 #define encode_renew_maxsz (op_encode_hdr_maxsz + 3)
142 #define decode_renew_maxsz (op_decode_hdr_maxsz)
143 #define encode_setclientid_maxsz \
144 (op_encode_hdr_maxsz + \
145 XDR_QUADLEN(NFS4_VERIFIER_SIZE) + \
146 XDR_QUADLEN(NFS4_SETCLIENTID_NAMELEN) + \
148 XDR_QUADLEN(RPCBIND_MAXNETIDLEN) + \
149 XDR_QUADLEN(RPCBIND_MAXUADDRLEN) + \
151 #define decode_setclientid_maxsz \
152 (op_decode_hdr_maxsz + \
154 1024) /* large value for CLID_INUSE */
155 #define encode_setclientid_confirm_maxsz \
156 (op_encode_hdr_maxsz + \
157 3 + (NFS4_VERIFIER_SIZE >> 2))
158 #define decode_setclientid_confirm_maxsz \
159 (op_decode_hdr_maxsz)
160 #define encode_lookup_maxsz (op_encode_hdr_maxsz + nfs4_name_maxsz)
161 #define decode_lookup_maxsz (op_decode_hdr_maxsz)
162 #define encode_share_access_maxsz \
164 #define encode_createmode_maxsz (1 + encode_attrs_maxsz + encode_verifier_maxsz)
165 #define encode_opentype_maxsz (1 + encode_createmode_maxsz)
166 #define encode_claim_null_maxsz (1 + nfs4_name_maxsz)
167 #define encode_open_maxsz (op_encode_hdr_maxsz + \
168 2 + encode_share_access_maxsz + 2 + \
169 open_owner_id_maxsz + \
170 encode_opentype_maxsz + \
171 encode_claim_null_maxsz)
172 #define decode_ace_maxsz (3 + nfs4_owner_maxsz)
173 #define decode_delegation_maxsz (1 + decode_stateid_maxsz + 1 + \
175 #define decode_change_info_maxsz (5)
176 #define decode_open_maxsz (op_decode_hdr_maxsz + \
177 decode_stateid_maxsz + \
178 decode_change_info_maxsz + 1 + \
179 nfs4_fattr_bitmap_maxsz + \
180 decode_delegation_maxsz)
181 #define encode_open_confirm_maxsz \
182 (op_encode_hdr_maxsz + \
183 encode_stateid_maxsz + 1)
184 #define decode_open_confirm_maxsz \
185 (op_decode_hdr_maxsz + \
186 decode_stateid_maxsz)
187 #define encode_open_downgrade_maxsz \
188 (op_encode_hdr_maxsz + \
189 encode_stateid_maxsz + 1 + \
190 encode_share_access_maxsz)
191 #define decode_open_downgrade_maxsz \
192 (op_decode_hdr_maxsz + \
193 decode_stateid_maxsz)
194 #define encode_close_maxsz (op_encode_hdr_maxsz + \
195 1 + encode_stateid_maxsz)
196 #define decode_close_maxsz (op_decode_hdr_maxsz + \
197 decode_stateid_maxsz)
198 #define encode_setattr_maxsz (op_encode_hdr_maxsz + \
199 encode_stateid_maxsz + \
201 #define decode_setattr_maxsz (op_decode_hdr_maxsz + \
202 nfs4_fattr_bitmap_maxsz)
203 #define encode_read_maxsz (op_encode_hdr_maxsz + \
204 encode_stateid_maxsz + 3)
205 #define decode_read_maxsz (op_decode_hdr_maxsz + 2)
206 #define encode_readdir_maxsz (op_encode_hdr_maxsz + \
207 2 + encode_verifier_maxsz + 5 + \
209 #define decode_readdir_maxsz (op_decode_hdr_maxsz + \
210 decode_verifier_maxsz + \
211 nfs4_label_maxsz + nfs4_fattr_maxsz)
212 #define encode_readlink_maxsz (op_encode_hdr_maxsz)
213 #define decode_readlink_maxsz (op_decode_hdr_maxsz + 1)
214 #define encode_write_maxsz (op_encode_hdr_maxsz + \
215 encode_stateid_maxsz + 4)
216 #define decode_write_maxsz (op_decode_hdr_maxsz + \
217 2 + decode_verifier_maxsz)
218 #define encode_commit_maxsz (op_encode_hdr_maxsz + 3)
219 #define decode_commit_maxsz (op_decode_hdr_maxsz + \
220 decode_verifier_maxsz)
221 #define encode_remove_maxsz (op_encode_hdr_maxsz + \
223 #define decode_remove_maxsz (op_decode_hdr_maxsz + \
224 decode_change_info_maxsz)
225 #define encode_rename_maxsz (op_encode_hdr_maxsz + \
227 #define decode_rename_maxsz (op_decode_hdr_maxsz + \
228 decode_change_info_maxsz + \
229 decode_change_info_maxsz)
230 #define encode_link_maxsz (op_encode_hdr_maxsz + \
232 #define decode_link_maxsz (op_decode_hdr_maxsz + decode_change_info_maxsz)
233 #define encode_lockowner_maxsz (7)
234 #define encode_lock_maxsz (op_encode_hdr_maxsz + \
236 1 + encode_stateid_maxsz + 1 + \
237 encode_lockowner_maxsz)
238 #define decode_lock_denied_maxsz \
239 (8 + decode_lockowner_maxsz)
240 #define decode_lock_maxsz (op_decode_hdr_maxsz + \
241 decode_lock_denied_maxsz)
242 #define encode_lockt_maxsz (op_encode_hdr_maxsz + 5 + \
243 encode_lockowner_maxsz)
244 #define decode_lockt_maxsz (op_decode_hdr_maxsz + \
245 decode_lock_denied_maxsz)
246 #define encode_locku_maxsz (op_encode_hdr_maxsz + 3 + \
247 encode_stateid_maxsz + \
249 #define decode_locku_maxsz (op_decode_hdr_maxsz + \
250 decode_stateid_maxsz)
251 #define encode_release_lockowner_maxsz \
252 (op_encode_hdr_maxsz + \
253 encode_lockowner_maxsz)
254 #define decode_release_lockowner_maxsz \
255 (op_decode_hdr_maxsz)
256 #define encode_access_maxsz (op_encode_hdr_maxsz + 1)
257 #define decode_access_maxsz (op_decode_hdr_maxsz + 2)
258 #define encode_symlink_maxsz (op_encode_hdr_maxsz + \
259 1 + nfs4_name_maxsz + \
262 #define decode_symlink_maxsz (op_decode_hdr_maxsz + 8)
263 #define encode_create_maxsz (op_encode_hdr_maxsz + \
264 1 + 2 + nfs4_name_maxsz + \
266 #define decode_create_maxsz (op_decode_hdr_maxsz + \
267 decode_change_info_maxsz + \
268 nfs4_fattr_bitmap_maxsz)
269 #define encode_statfs_maxsz (encode_getattr_maxsz)
270 #define decode_statfs_maxsz (decode_getattr_maxsz)
271 #define encode_delegreturn_maxsz (op_encode_hdr_maxsz + 4)
272 #define decode_delegreturn_maxsz (op_decode_hdr_maxsz)
273 #define encode_getacl_maxsz (encode_getattr_maxsz)
274 #define decode_getacl_maxsz (op_decode_hdr_maxsz + \
275 nfs4_fattr_bitmap_maxsz + 1)
276 #define encode_setacl_maxsz (op_encode_hdr_maxsz + \
277 encode_stateid_maxsz + 3)
278 #define decode_setacl_maxsz (decode_setattr_maxsz)
279 #define encode_fs_locations_maxsz \
280 (encode_getattr_maxsz)
281 #define decode_fs_locations_maxsz \
283 #define encode_secinfo_maxsz (op_encode_hdr_maxsz + nfs4_name_maxsz)
284 #define decode_secinfo_maxsz (op_decode_hdr_maxsz + 1 + ((NFS_MAX_SECFLAVORS * (16 + GSS_OID_MAX_LEN)) / 4))
286 #if defined(CONFIG_NFS_V4_1)
287 #define NFS4_MAX_MACHINE_NAME_LEN (64)
288 #define IMPL_NAME_LIMIT (sizeof(utsname()->sysname) + sizeof(utsname()->release) + \
289 sizeof(utsname()->version) + sizeof(utsname()->machine) + 8)
291 #define encode_exchange_id_maxsz (op_encode_hdr_maxsz + \
292 encode_verifier_maxsz + \
293 1 /* co_ownerid.len */ + \
294 XDR_QUADLEN(NFS4_EXCHANGE_ID_LEN) + \
297 0 /* SP4_NONE (for now) */ + \
298 1 /* implementation id array of size 1 */ + \
299 1 /* nii_domain */ + \
300 XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \
302 XDR_QUADLEN(IMPL_NAME_LIMIT) + \
304 #define decode_exchange_id_maxsz (op_decode_hdr_maxsz + \
305 2 /* eir_clientid */ + \
306 1 /* eir_sequenceid */ + \
307 1 /* eir_flags */ + \
309 0 /* SP4_NONE (for now) */ + \
310 2 /* eir_server_owner.so_minor_id */ + \
311 /* eir_server_owner.so_major_id<> */ \
312 XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 + \
313 /* eir_server_scope<> */ \
314 XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 + \
315 1 /* eir_server_impl_id array length */ + \
316 1 /* nii_domain */ + \
317 XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \
319 XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \
321 #define encode_channel_attrs_maxsz (6 + 1 /* ca_rdma_ird.len (0) */)
322 #define decode_channel_attrs_maxsz (6 + \
323 1 /* ca_rdma_ird.len */ + \
325 #define encode_create_session_maxsz (op_encode_hdr_maxsz + \
326 2 /* csa_clientid */ + \
327 1 /* csa_sequence */ + \
328 1 /* csa_flags */ + \
329 encode_channel_attrs_maxsz + \
330 encode_channel_attrs_maxsz + \
331 1 /* csa_cb_program */ + \
332 1 /* csa_sec_parms.len (1) */ + \
333 1 /* cb_secflavor (AUTH_SYS) */ + \
335 1 /* machinename.len */ + \
336 XDR_QUADLEN(NFS4_MAX_MACHINE_NAME_LEN) + \
339 1 /* gids.len (0) */)
340 #define decode_create_session_maxsz (op_decode_hdr_maxsz + \
341 XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + \
342 1 /* csr_sequence */ + \
343 1 /* csr_flags */ + \
344 decode_channel_attrs_maxsz + \
345 decode_channel_attrs_maxsz)
346 #define encode_bind_conn_to_session_maxsz (op_encode_hdr_maxsz + \
348 XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + \
349 1 /* bctsa_dir */ + \
350 1 /* bctsa_use_conn_in_rdma_mode */)
351 #define decode_bind_conn_to_session_maxsz (op_decode_hdr_maxsz + \
353 XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + \
354 1 /* bctsr_dir */ + \
355 1 /* bctsr_use_conn_in_rdma_mode */)
356 #define encode_destroy_session_maxsz (op_encode_hdr_maxsz + 4)
357 #define decode_destroy_session_maxsz (op_decode_hdr_maxsz)
358 #define encode_destroy_clientid_maxsz (op_encode_hdr_maxsz + 2)
359 #define decode_destroy_clientid_maxsz (op_decode_hdr_maxsz)
360 #define encode_sequence_maxsz (op_encode_hdr_maxsz + \
361 XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 4)
362 #define decode_sequence_maxsz (op_decode_hdr_maxsz + \
363 XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 5)
364 #define encode_reclaim_complete_maxsz (op_encode_hdr_maxsz + 4)
365 #define decode_reclaim_complete_maxsz (op_decode_hdr_maxsz + 4)
366 #define encode_getdevicelist_maxsz (op_encode_hdr_maxsz + 4 + \
367 encode_verifier_maxsz)
368 #define decode_getdevicelist_maxsz (op_decode_hdr_maxsz + \
369 2 /* nfs_cookie4 gdlr_cookie */ + \
370 decode_verifier_maxsz \
371 /* verifier4 gdlr_verifier */ + \
372 1 /* gdlr_deviceid_list count */ + \
373 XDR_QUADLEN(NFS4_PNFS_GETDEVLIST_MAXNUM * \
374 NFS4_DEVICEID4_SIZE) \
375 /* gdlr_deviceid_list */ + \
376 1 /* bool gdlr_eof */)
377 #define encode_getdeviceinfo_maxsz (op_encode_hdr_maxsz + 4 + \
378 XDR_QUADLEN(NFS4_DEVICEID4_SIZE))
379 #define decode_getdeviceinfo_maxsz (op_decode_hdr_maxsz + \
380 1 /* layout type */ + \
381 1 /* opaque devaddr4 length */ + \
382 /* devaddr4 payload is read into page */ \
383 1 /* notification bitmap length */ + \
384 1 /* notification bitmap */)
385 #define encode_layoutget_maxsz (op_encode_hdr_maxsz + 10 + \
386 encode_stateid_maxsz)
387 #define decode_layoutget_maxsz (op_decode_hdr_maxsz + 8 + \
388 decode_stateid_maxsz + \
389 XDR_QUADLEN(PNFS_LAYOUT_MAXSIZE))
390 #define encode_layoutcommit_maxsz (op_encode_hdr_maxsz + \
394 encode_stateid_maxsz + \
395 1 /* new offset (true) */ + \
396 2 /* last byte written */ + \
397 1 /* nt_timechanged (false) */ + \
398 1 /* layoutupdate4 layout type */ + \
399 1 /* NULL filelayout layoutupdate4 payload */)
400 #define decode_layoutcommit_maxsz (op_decode_hdr_maxsz + 3)
401 #define encode_layoutreturn_maxsz (8 + op_encode_hdr_maxsz + \
402 encode_stateid_maxsz + \
403 1 /* FIXME: opaque lrf_body always empty at the moment */)
404 #define decode_layoutreturn_maxsz (op_decode_hdr_maxsz + \
405 1 + decode_stateid_maxsz)
406 #define encode_secinfo_no_name_maxsz (op_encode_hdr_maxsz + 1)
407 #define decode_secinfo_no_name_maxsz decode_secinfo_maxsz
408 #define encode_test_stateid_maxsz (op_encode_hdr_maxsz + 2 + \
409 XDR_QUADLEN(NFS4_STATEID_SIZE))
410 #define decode_test_stateid_maxsz (op_decode_hdr_maxsz + 2 + 1)
411 #define encode_free_stateid_maxsz (op_encode_hdr_maxsz + 1 + \
412 XDR_QUADLEN(NFS4_STATEID_SIZE))
413 #define decode_free_stateid_maxsz (op_decode_hdr_maxsz + 1)
414 #else /* CONFIG_NFS_V4_1 */
415 #define encode_sequence_maxsz 0
416 #define decode_sequence_maxsz 0
417 #endif /* CONFIG_NFS_V4_1 */
419 #define NFS4_enc_compound_sz (1024) /* XXX: large enough? */
420 #define NFS4_dec_compound_sz (1024) /* XXX: large enough? */
421 #define NFS4_enc_read_sz (compound_encode_hdr_maxsz + \
422 encode_sequence_maxsz + \
423 encode_putfh_maxsz + \
425 #define NFS4_dec_read_sz (compound_decode_hdr_maxsz + \
426 decode_sequence_maxsz + \
427 decode_putfh_maxsz + \
429 #define NFS4_enc_readlink_sz (compound_encode_hdr_maxsz + \
430 encode_sequence_maxsz + \
431 encode_putfh_maxsz + \
432 encode_readlink_maxsz)
433 #define NFS4_dec_readlink_sz (compound_decode_hdr_maxsz + \
434 decode_sequence_maxsz + \
435 decode_putfh_maxsz + \
436 decode_readlink_maxsz)
437 #define NFS4_enc_readdir_sz (compound_encode_hdr_maxsz + \
438 encode_sequence_maxsz + \
439 encode_putfh_maxsz + \
440 encode_readdir_maxsz)
441 #define NFS4_dec_readdir_sz (compound_decode_hdr_maxsz + \
442 decode_sequence_maxsz + \
443 decode_putfh_maxsz + \
444 decode_readdir_maxsz)
445 #define NFS4_enc_write_sz (compound_encode_hdr_maxsz + \
446 encode_sequence_maxsz + \
447 encode_putfh_maxsz + \
448 encode_write_maxsz + \
449 encode_getattr_maxsz)
450 #define NFS4_dec_write_sz (compound_decode_hdr_maxsz + \
451 decode_sequence_maxsz + \
452 decode_putfh_maxsz + \
453 decode_write_maxsz + \
454 decode_getattr_maxsz)
455 #define NFS4_enc_commit_sz (compound_encode_hdr_maxsz + \
456 encode_sequence_maxsz + \
457 encode_putfh_maxsz + \
459 #define NFS4_dec_commit_sz (compound_decode_hdr_maxsz + \
460 decode_sequence_maxsz + \
461 decode_putfh_maxsz + \
463 #define NFS4_enc_open_sz (compound_encode_hdr_maxsz + \
464 encode_sequence_maxsz + \
465 encode_putfh_maxsz + \
466 encode_open_maxsz + \
467 encode_access_maxsz + \
468 encode_getfh_maxsz + \
469 encode_getattr_maxsz)
470 #define NFS4_dec_open_sz (compound_decode_hdr_maxsz + \
471 decode_sequence_maxsz + \
472 decode_putfh_maxsz + \
473 decode_open_maxsz + \
474 decode_access_maxsz + \
475 decode_getfh_maxsz + \
476 decode_getattr_maxsz)
477 #define NFS4_enc_open_confirm_sz \
478 (compound_encode_hdr_maxsz + \
479 encode_putfh_maxsz + \
480 encode_open_confirm_maxsz)
481 #define NFS4_dec_open_confirm_sz \
482 (compound_decode_hdr_maxsz + \
483 decode_putfh_maxsz + \
484 decode_open_confirm_maxsz)
485 #define NFS4_enc_open_noattr_sz (compound_encode_hdr_maxsz + \
486 encode_sequence_maxsz + \
487 encode_putfh_maxsz + \
488 encode_open_maxsz + \
489 encode_access_maxsz + \
490 encode_getattr_maxsz)
491 #define NFS4_dec_open_noattr_sz (compound_decode_hdr_maxsz + \
492 decode_sequence_maxsz + \
493 decode_putfh_maxsz + \
494 decode_open_maxsz + \
495 decode_access_maxsz + \
496 decode_getattr_maxsz)
497 #define NFS4_enc_open_downgrade_sz \
498 (compound_encode_hdr_maxsz + \
499 encode_sequence_maxsz + \
500 encode_putfh_maxsz + \
501 encode_open_downgrade_maxsz + \
502 encode_getattr_maxsz)
503 #define NFS4_dec_open_downgrade_sz \
504 (compound_decode_hdr_maxsz + \
505 decode_sequence_maxsz + \
506 decode_putfh_maxsz + \
507 decode_open_downgrade_maxsz + \
508 decode_getattr_maxsz)
509 #define NFS4_enc_close_sz (compound_encode_hdr_maxsz + \
510 encode_sequence_maxsz + \
511 encode_putfh_maxsz + \
512 encode_close_maxsz + \
513 encode_getattr_maxsz)
514 #define NFS4_dec_close_sz (compound_decode_hdr_maxsz + \
515 decode_sequence_maxsz + \
516 decode_putfh_maxsz + \
517 decode_close_maxsz + \
518 decode_getattr_maxsz)
519 #define NFS4_enc_setattr_sz (compound_encode_hdr_maxsz + \
520 encode_sequence_maxsz + \
521 encode_putfh_maxsz + \
522 encode_setattr_maxsz + \
523 encode_getattr_maxsz)
524 #define NFS4_dec_setattr_sz (compound_decode_hdr_maxsz + \
525 decode_sequence_maxsz + \
526 decode_putfh_maxsz + \
527 decode_setattr_maxsz + \
528 decode_getattr_maxsz)
529 #define NFS4_enc_fsinfo_sz (compound_encode_hdr_maxsz + \
530 encode_sequence_maxsz + \
531 encode_putfh_maxsz + \
533 #define NFS4_dec_fsinfo_sz (compound_decode_hdr_maxsz + \
534 decode_sequence_maxsz + \
535 decode_putfh_maxsz + \
537 #define NFS4_enc_renew_sz (compound_encode_hdr_maxsz + \
539 #define NFS4_dec_renew_sz (compound_decode_hdr_maxsz + \
541 #define NFS4_enc_setclientid_sz (compound_encode_hdr_maxsz + \
542 encode_setclientid_maxsz)
543 #define NFS4_dec_setclientid_sz (compound_decode_hdr_maxsz + \
544 decode_setclientid_maxsz)
545 #define NFS4_enc_setclientid_confirm_sz \
546 (compound_encode_hdr_maxsz + \
547 encode_setclientid_confirm_maxsz)
548 #define NFS4_dec_setclientid_confirm_sz \
549 (compound_decode_hdr_maxsz + \
550 decode_setclientid_confirm_maxsz)
551 #define NFS4_enc_lock_sz (compound_encode_hdr_maxsz + \
552 encode_sequence_maxsz + \
553 encode_putfh_maxsz + \
555 #define NFS4_dec_lock_sz (compound_decode_hdr_maxsz + \
556 decode_sequence_maxsz + \
557 decode_putfh_maxsz + \
559 #define NFS4_enc_lockt_sz (compound_encode_hdr_maxsz + \
560 encode_sequence_maxsz + \
561 encode_putfh_maxsz + \
563 #define NFS4_dec_lockt_sz (compound_decode_hdr_maxsz + \
564 decode_sequence_maxsz + \
565 decode_putfh_maxsz + \
567 #define NFS4_enc_locku_sz (compound_encode_hdr_maxsz + \
568 encode_sequence_maxsz + \
569 encode_putfh_maxsz + \
571 #define NFS4_dec_locku_sz (compound_decode_hdr_maxsz + \
572 decode_sequence_maxsz + \
573 decode_putfh_maxsz + \
575 #define NFS4_enc_release_lockowner_sz \
576 (compound_encode_hdr_maxsz + \
577 encode_lockowner_maxsz)
578 #define NFS4_dec_release_lockowner_sz \
579 (compound_decode_hdr_maxsz + \
580 decode_lockowner_maxsz)
581 #define NFS4_enc_access_sz (compound_encode_hdr_maxsz + \
582 encode_sequence_maxsz + \
583 encode_putfh_maxsz + \
584 encode_access_maxsz + \
585 encode_getattr_maxsz)
586 #define NFS4_dec_access_sz (compound_decode_hdr_maxsz + \
587 decode_sequence_maxsz + \
588 decode_putfh_maxsz + \
589 decode_access_maxsz + \
590 decode_getattr_maxsz)
591 #define NFS4_enc_getattr_sz (compound_encode_hdr_maxsz + \
592 encode_sequence_maxsz + \
593 encode_putfh_maxsz + \
594 encode_getattr_maxsz)
595 #define NFS4_dec_getattr_sz (compound_decode_hdr_maxsz + \
596 decode_sequence_maxsz + \
597 decode_putfh_maxsz + \
598 decode_getattr_maxsz)
599 #define NFS4_enc_lookup_sz (compound_encode_hdr_maxsz + \
600 encode_sequence_maxsz + \
601 encode_putfh_maxsz + \
602 encode_lookup_maxsz + \
603 encode_getattr_maxsz + \
605 #define NFS4_dec_lookup_sz (compound_decode_hdr_maxsz + \
606 decode_sequence_maxsz + \
607 decode_putfh_maxsz + \
608 decode_lookup_maxsz + \
609 decode_getattr_maxsz + \
611 #define NFS4_enc_lookup_root_sz (compound_encode_hdr_maxsz + \
612 encode_sequence_maxsz + \
613 encode_putrootfh_maxsz + \
614 encode_getattr_maxsz + \
616 #define NFS4_dec_lookup_root_sz (compound_decode_hdr_maxsz + \
617 decode_sequence_maxsz + \
618 decode_putrootfh_maxsz + \
619 decode_getattr_maxsz + \
621 #define NFS4_enc_remove_sz (compound_encode_hdr_maxsz + \
622 encode_sequence_maxsz + \
623 encode_putfh_maxsz + \
625 #define NFS4_dec_remove_sz (compound_decode_hdr_maxsz + \
626 decode_sequence_maxsz + \
627 decode_putfh_maxsz + \
629 #define NFS4_enc_rename_sz (compound_encode_hdr_maxsz + \
630 encode_sequence_maxsz + \
631 encode_putfh_maxsz + \
632 encode_savefh_maxsz + \
633 encode_putfh_maxsz + \
635 #define NFS4_dec_rename_sz (compound_decode_hdr_maxsz + \
636 decode_sequence_maxsz + \
637 decode_putfh_maxsz + \
638 decode_savefh_maxsz + \
639 decode_putfh_maxsz + \
641 #define NFS4_enc_link_sz (compound_encode_hdr_maxsz + \
642 encode_sequence_maxsz + \
643 encode_putfh_maxsz + \
644 encode_savefh_maxsz + \
645 encode_putfh_maxsz + \
646 encode_link_maxsz + \
647 encode_restorefh_maxsz + \
648 encode_getattr_maxsz)
649 #define NFS4_dec_link_sz (compound_decode_hdr_maxsz + \
650 decode_sequence_maxsz + \
651 decode_putfh_maxsz + \
652 decode_savefh_maxsz + \
653 decode_putfh_maxsz + \
654 decode_link_maxsz + \
655 decode_restorefh_maxsz + \
656 decode_getattr_maxsz)
657 #define NFS4_enc_symlink_sz (compound_encode_hdr_maxsz + \
658 encode_sequence_maxsz + \
659 encode_putfh_maxsz + \
660 encode_symlink_maxsz + \
661 encode_getattr_maxsz + \
663 #define NFS4_dec_symlink_sz (compound_decode_hdr_maxsz + \
664 decode_sequence_maxsz + \
665 decode_putfh_maxsz + \
666 decode_symlink_maxsz + \
667 decode_getattr_maxsz + \
669 #define NFS4_enc_create_sz (compound_encode_hdr_maxsz + \
670 encode_sequence_maxsz + \
671 encode_putfh_maxsz + \
672 encode_create_maxsz + \
673 encode_getfh_maxsz + \
674 encode_getattr_maxsz)
675 #define NFS4_dec_create_sz (compound_decode_hdr_maxsz + \
676 decode_sequence_maxsz + \
677 decode_putfh_maxsz + \
678 decode_create_maxsz + \
679 decode_getfh_maxsz + \
680 decode_getattr_maxsz)
681 #define NFS4_enc_pathconf_sz (compound_encode_hdr_maxsz + \
682 encode_sequence_maxsz + \
683 encode_putfh_maxsz + \
684 encode_getattr_maxsz)
685 #define NFS4_dec_pathconf_sz (compound_decode_hdr_maxsz + \
686 decode_sequence_maxsz + \
687 decode_putfh_maxsz + \
688 decode_getattr_maxsz)
689 #define NFS4_enc_statfs_sz (compound_encode_hdr_maxsz + \
690 encode_sequence_maxsz + \
691 encode_putfh_maxsz + \
693 #define NFS4_dec_statfs_sz (compound_decode_hdr_maxsz + \
694 decode_sequence_maxsz + \
695 decode_putfh_maxsz + \
697 #define NFS4_enc_server_caps_sz (compound_encode_hdr_maxsz + \
698 encode_sequence_maxsz + \
699 encode_putfh_maxsz + \
700 encode_getattr_maxsz)
701 #define NFS4_dec_server_caps_sz (compound_decode_hdr_maxsz + \
702 decode_sequence_maxsz + \
703 decode_putfh_maxsz + \
704 decode_getattr_maxsz)
705 #define NFS4_enc_delegreturn_sz (compound_encode_hdr_maxsz + \
706 encode_sequence_maxsz + \
707 encode_putfh_maxsz + \
708 encode_delegreturn_maxsz + \
709 encode_getattr_maxsz)
710 #define NFS4_dec_delegreturn_sz (compound_decode_hdr_maxsz + \
711 decode_sequence_maxsz + \
712 decode_delegreturn_maxsz + \
713 decode_getattr_maxsz)
714 #define NFS4_enc_getacl_sz (compound_encode_hdr_maxsz + \
715 encode_sequence_maxsz + \
716 encode_putfh_maxsz + \
718 #define NFS4_dec_getacl_sz (compound_decode_hdr_maxsz + \
719 decode_sequence_maxsz + \
720 decode_putfh_maxsz + \
722 #define NFS4_enc_setacl_sz (compound_encode_hdr_maxsz + \
723 encode_sequence_maxsz + \
724 encode_putfh_maxsz + \
726 #define NFS4_dec_setacl_sz (compound_decode_hdr_maxsz + \
727 decode_sequence_maxsz + \
728 decode_putfh_maxsz + \
730 #define NFS4_enc_fs_locations_sz \
731 (compound_encode_hdr_maxsz + \
732 encode_sequence_maxsz + \
733 encode_putfh_maxsz + \
734 encode_lookup_maxsz + \
735 encode_fs_locations_maxsz)
736 #define NFS4_dec_fs_locations_sz \
737 (compound_decode_hdr_maxsz + \
738 decode_sequence_maxsz + \
739 decode_putfh_maxsz + \
740 decode_lookup_maxsz + \
741 decode_fs_locations_maxsz)
742 #define NFS4_enc_secinfo_sz (compound_encode_hdr_maxsz + \
743 encode_sequence_maxsz + \
744 encode_putfh_maxsz + \
745 encode_secinfo_maxsz)
746 #define NFS4_dec_secinfo_sz (compound_decode_hdr_maxsz + \
747 decode_sequence_maxsz + \
748 decode_putfh_maxsz + \
749 decode_secinfo_maxsz)
750 #if defined(CONFIG_NFS_V4_1)
751 #define NFS4_enc_bind_conn_to_session_sz \
752 (compound_encode_hdr_maxsz + \
753 encode_bind_conn_to_session_maxsz)
754 #define NFS4_dec_bind_conn_to_session_sz \
755 (compound_decode_hdr_maxsz + \
756 decode_bind_conn_to_session_maxsz)
757 #define NFS4_enc_exchange_id_sz \
758 (compound_encode_hdr_maxsz + \
759 encode_exchange_id_maxsz)
760 #define NFS4_dec_exchange_id_sz \
761 (compound_decode_hdr_maxsz + \
762 decode_exchange_id_maxsz)
763 #define NFS4_enc_create_session_sz \
764 (compound_encode_hdr_maxsz + \
765 encode_create_session_maxsz)
766 #define NFS4_dec_create_session_sz \
767 (compound_decode_hdr_maxsz + \
768 decode_create_session_maxsz)
769 #define NFS4_enc_destroy_session_sz (compound_encode_hdr_maxsz + \
770 encode_destroy_session_maxsz)
771 #define NFS4_dec_destroy_session_sz (compound_decode_hdr_maxsz + \
772 decode_destroy_session_maxsz)
773 #define NFS4_enc_destroy_clientid_sz (compound_encode_hdr_maxsz + \
774 encode_destroy_clientid_maxsz)
775 #define NFS4_dec_destroy_clientid_sz (compound_decode_hdr_maxsz + \
776 decode_destroy_clientid_maxsz)
777 #define NFS4_enc_sequence_sz \
778 (compound_decode_hdr_maxsz + \
779 encode_sequence_maxsz)
780 #define NFS4_dec_sequence_sz \
781 (compound_decode_hdr_maxsz + \
782 decode_sequence_maxsz)
783 #define NFS4_enc_get_lease_time_sz (compound_encode_hdr_maxsz + \
784 encode_sequence_maxsz + \
785 encode_putrootfh_maxsz + \
787 #define NFS4_dec_get_lease_time_sz (compound_decode_hdr_maxsz + \
788 decode_sequence_maxsz + \
789 decode_putrootfh_maxsz + \
791 #define NFS4_enc_reclaim_complete_sz (compound_encode_hdr_maxsz + \
792 encode_sequence_maxsz + \
793 encode_reclaim_complete_maxsz)
794 #define NFS4_dec_reclaim_complete_sz (compound_decode_hdr_maxsz + \
795 decode_sequence_maxsz + \
796 decode_reclaim_complete_maxsz)
797 #define NFS4_enc_getdevicelist_sz (compound_encode_hdr_maxsz + \
798 encode_sequence_maxsz + \
799 encode_putfh_maxsz + \
800 encode_getdevicelist_maxsz)
801 #define NFS4_dec_getdevicelist_sz (compound_decode_hdr_maxsz + \
802 decode_sequence_maxsz + \
803 decode_putfh_maxsz + \
804 decode_getdevicelist_maxsz)
805 #define NFS4_enc_getdeviceinfo_sz (compound_encode_hdr_maxsz + \
806 encode_sequence_maxsz +\
807 encode_getdeviceinfo_maxsz)
808 #define NFS4_dec_getdeviceinfo_sz (compound_decode_hdr_maxsz + \
809 decode_sequence_maxsz + \
810 decode_getdeviceinfo_maxsz)
811 #define NFS4_enc_layoutget_sz (compound_encode_hdr_maxsz + \
812 encode_sequence_maxsz + \
813 encode_putfh_maxsz + \
814 encode_layoutget_maxsz)
815 #define NFS4_dec_layoutget_sz (compound_decode_hdr_maxsz + \
816 decode_sequence_maxsz + \
817 decode_putfh_maxsz + \
818 decode_layoutget_maxsz)
819 #define NFS4_enc_layoutcommit_sz (compound_encode_hdr_maxsz + \
820 encode_sequence_maxsz +\
821 encode_putfh_maxsz + \
822 encode_layoutcommit_maxsz + \
823 encode_getattr_maxsz)
824 #define NFS4_dec_layoutcommit_sz (compound_decode_hdr_maxsz + \
825 decode_sequence_maxsz + \
826 decode_putfh_maxsz + \
827 decode_layoutcommit_maxsz + \
828 decode_getattr_maxsz)
829 #define NFS4_enc_layoutreturn_sz (compound_encode_hdr_maxsz + \
830 encode_sequence_maxsz + \
831 encode_putfh_maxsz + \
832 encode_layoutreturn_maxsz)
833 #define NFS4_dec_layoutreturn_sz (compound_decode_hdr_maxsz + \
834 decode_sequence_maxsz + \
835 decode_putfh_maxsz + \
836 decode_layoutreturn_maxsz)
837 #define NFS4_enc_secinfo_no_name_sz (compound_encode_hdr_maxsz + \
838 encode_sequence_maxsz + \
839 encode_putrootfh_maxsz +\
840 encode_secinfo_no_name_maxsz)
841 #define NFS4_dec_secinfo_no_name_sz (compound_decode_hdr_maxsz + \
842 decode_sequence_maxsz + \
843 decode_putrootfh_maxsz + \
844 decode_secinfo_no_name_maxsz)
845 #define NFS4_enc_test_stateid_sz (compound_encode_hdr_maxsz + \
846 encode_sequence_maxsz + \
847 encode_test_stateid_maxsz)
848 #define NFS4_dec_test_stateid_sz (compound_decode_hdr_maxsz + \
849 decode_sequence_maxsz + \
850 decode_test_stateid_maxsz)
851 #define NFS4_enc_free_stateid_sz (compound_encode_hdr_maxsz + \
852 encode_sequence_maxsz + \
853 encode_free_stateid_maxsz)
854 #define NFS4_dec_free_stateid_sz (compound_decode_hdr_maxsz + \
855 decode_sequence_maxsz + \
856 decode_free_stateid_maxsz)
858 const u32 nfs41_maxwrite_overhead
= ((RPC_MAX_HEADER_WITH_AUTH
+
859 compound_encode_hdr_maxsz
+
860 encode_sequence_maxsz
+
862 encode_getattr_maxsz
) *
865 const u32 nfs41_maxread_overhead
= ((RPC_MAX_HEADER_WITH_AUTH
+
866 compound_decode_hdr_maxsz
+
867 decode_sequence_maxsz
+
868 decode_putfh_maxsz
) *
871 const u32 nfs41_maxgetdevinfo_overhead
= ((RPC_MAX_REPHEADER_WITH_AUTH
+
872 compound_decode_hdr_maxsz
+
873 decode_sequence_maxsz
) *
875 EXPORT_SYMBOL_GPL(nfs41_maxgetdevinfo_overhead
);
876 #endif /* CONFIG_NFS_V4_1 */
878 static const umode_t nfs_type2fmt
[] = {
885 [NF4SOCK
] = S_IFSOCK
,
891 struct compound_hdr
{
897 uint32_t replen
; /* expected reply words */
901 static __be32
*reserve_space(struct xdr_stream
*xdr
, size_t nbytes
)
903 __be32
*p
= xdr_reserve_space(xdr
, nbytes
);
908 static void encode_opaque_fixed(struct xdr_stream
*xdr
, const void *buf
, size_t len
)
912 p
= xdr_reserve_space(xdr
, len
);
913 xdr_encode_opaque_fixed(p
, buf
, len
);
916 static void encode_string(struct xdr_stream
*xdr
, unsigned int len
, const char *str
)
920 p
= reserve_space(xdr
, 4 + len
);
921 xdr_encode_opaque(p
, str
, len
);
924 static void encode_uint32(struct xdr_stream
*xdr
, u32 n
)
928 p
= reserve_space(xdr
, 4);
932 static void encode_uint64(struct xdr_stream
*xdr
, u64 n
)
936 p
= reserve_space(xdr
, 8);
937 xdr_encode_hyper(p
, n
);
940 static void encode_nfs4_seqid(struct xdr_stream
*xdr
,
941 const struct nfs_seqid
*seqid
)
943 encode_uint32(xdr
, seqid
->sequence
->counter
);
946 static void encode_compound_hdr(struct xdr_stream
*xdr
,
947 struct rpc_rqst
*req
,
948 struct compound_hdr
*hdr
)
951 struct rpc_auth
*auth
= req
->rq_cred
->cr_auth
;
953 /* initialize running count of expected bytes in reply.
954 * NOTE: the replied tag SHOULD be the same is the one sent,
955 * but this is not required as a MUST for the server to do so. */
956 hdr
->replen
= RPC_REPHDRSIZE
+ auth
->au_rslack
+ 3 + hdr
->taglen
;
958 WARN_ON_ONCE(hdr
->taglen
> NFS4_MAXTAGLEN
);
959 encode_string(xdr
, hdr
->taglen
, hdr
->tag
);
960 p
= reserve_space(xdr
, 8);
961 *p
++ = cpu_to_be32(hdr
->minorversion
);
963 *p
= cpu_to_be32(hdr
->nops
);
966 static void encode_op_hdr(struct xdr_stream
*xdr
, enum nfs_opnum4 op
,
968 struct compound_hdr
*hdr
)
970 encode_uint32(xdr
, op
);
972 hdr
->replen
+= replen
;
975 static void encode_nops(struct compound_hdr
*hdr
)
977 WARN_ON_ONCE(hdr
->nops
> NFS4_MAX_OPS
);
978 *hdr
->nops_p
= htonl(hdr
->nops
);
981 static void encode_nfs4_stateid(struct xdr_stream
*xdr
, const nfs4_stateid
*stateid
)
983 encode_opaque_fixed(xdr
, stateid
, NFS4_STATEID_SIZE
);
986 static void encode_nfs4_verifier(struct xdr_stream
*xdr
, const nfs4_verifier
*verf
)
988 encode_opaque_fixed(xdr
, verf
->data
, NFS4_VERIFIER_SIZE
);
991 static void encode_attrs(struct xdr_stream
*xdr
, const struct iattr
*iap
,
992 const struct nfs4_label
*label
,
993 const struct nfs_server
*server
)
995 char owner_name
[IDMAP_NAMESZ
];
996 char owner_group
[IDMAP_NAMESZ
];
997 int owner_namelen
= 0;
998 int owner_grouplen
= 0;
1002 uint32_t bmval_len
= 2;
1003 uint32_t bmval0
= 0;
1004 uint32_t bmval1
= 0;
1005 uint32_t bmval2
= 0;
1008 * We reserve enough space to write the entire attribute buffer at once.
1009 * In the worst-case, this would be
1010 * 16(bitmap) + 4(attrlen) + 8(size) + 4(mode) + 4(atime) + 4(mtime)
1011 * = 40 bytes, plus any contribution from variable-length fields
1012 * such as owner/group.
1017 if (iap
->ia_valid
& ATTR_SIZE
)
1019 if (iap
->ia_valid
& ATTR_MODE
)
1021 if (iap
->ia_valid
& ATTR_UID
) {
1022 owner_namelen
= nfs_map_uid_to_name(server
, iap
->ia_uid
, owner_name
, IDMAP_NAMESZ
);
1023 if (owner_namelen
< 0) {
1024 dprintk("nfs: couldn't resolve uid %d to string\n",
1025 from_kuid(&init_user_ns
, iap
->ia_uid
));
1027 strcpy(owner_name
, "nobody");
1028 owner_namelen
= sizeof("nobody") - 1;
1031 len
+= 4 + (XDR_QUADLEN(owner_namelen
) << 2);
1033 if (iap
->ia_valid
& ATTR_GID
) {
1034 owner_grouplen
= nfs_map_gid_to_group(server
, iap
->ia_gid
, owner_group
, IDMAP_NAMESZ
);
1035 if (owner_grouplen
< 0) {
1036 dprintk("nfs: couldn't resolve gid %d to string\n",
1037 from_kgid(&init_user_ns
, iap
->ia_gid
));
1038 strcpy(owner_group
, "nobody");
1039 owner_grouplen
= sizeof("nobody") - 1;
1042 len
+= 4 + (XDR_QUADLEN(owner_grouplen
) << 2);
1044 if (iap
->ia_valid
& ATTR_ATIME_SET
)
1046 else if (iap
->ia_valid
& ATTR_ATIME
)
1048 if (iap
->ia_valid
& ATTR_MTIME_SET
)
1050 else if (iap
->ia_valid
& ATTR_MTIME
)
1053 len
+= 4 + 4 + 4 + (XDR_QUADLEN(label
->len
) << 2);
1057 len
+= bmval_len
<< 2;
1058 p
= reserve_space(xdr
, len
);
1061 * We write the bitmap length now, but leave the bitmap and the attribute
1062 * buffer length to be backfilled at the end of this routine.
1064 *p
++ = cpu_to_be32(bmval_len
);
1066 /* Skip bitmap entries + attrlen */
1069 if (iap
->ia_valid
& ATTR_SIZE
) {
1070 bmval0
|= FATTR4_WORD0_SIZE
;
1071 p
= xdr_encode_hyper(p
, iap
->ia_size
);
1073 if (iap
->ia_valid
& ATTR_MODE
) {
1074 bmval1
|= FATTR4_WORD1_MODE
;
1075 *p
++ = cpu_to_be32(iap
->ia_mode
& S_IALLUGO
);
1077 if (iap
->ia_valid
& ATTR_UID
) {
1078 bmval1
|= FATTR4_WORD1_OWNER
;
1079 p
= xdr_encode_opaque(p
, owner_name
, owner_namelen
);
1081 if (iap
->ia_valid
& ATTR_GID
) {
1082 bmval1
|= FATTR4_WORD1_OWNER_GROUP
;
1083 p
= xdr_encode_opaque(p
, owner_group
, owner_grouplen
);
1085 if (iap
->ia_valid
& ATTR_ATIME_SET
) {
1086 bmval1
|= FATTR4_WORD1_TIME_ACCESS_SET
;
1087 *p
++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME
);
1088 p
= xdr_encode_hyper(p
, (s64
)iap
->ia_atime
.tv_sec
);
1089 *p
++ = cpu_to_be32(iap
->ia_atime
.tv_nsec
);
1091 else if (iap
->ia_valid
& ATTR_ATIME
) {
1092 bmval1
|= FATTR4_WORD1_TIME_ACCESS_SET
;
1093 *p
++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME
);
1095 if (iap
->ia_valid
& ATTR_MTIME_SET
) {
1096 bmval1
|= FATTR4_WORD1_TIME_MODIFY_SET
;
1097 *p
++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME
);
1098 p
= xdr_encode_hyper(p
, (s64
)iap
->ia_mtime
.tv_sec
);
1099 *p
++ = cpu_to_be32(iap
->ia_mtime
.tv_nsec
);
1101 else if (iap
->ia_valid
& ATTR_MTIME
) {
1102 bmval1
|= FATTR4_WORD1_TIME_MODIFY_SET
;
1103 *p
++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME
);
1106 bmval2
|= FATTR4_WORD2_SECURITY_LABEL
;
1107 *p
++ = cpu_to_be32(label
->lfs
);
1108 *p
++ = cpu_to_be32(label
->pi
);
1109 *p
++ = cpu_to_be32(label
->len
);
1110 p
= xdr_encode_opaque_fixed(p
, label
->label
, label
->len
);
1114 * Now we backfill the bitmap and the attribute buffer length.
1116 if (len
!= ((char *)p
- (char *)q
) + 4) {
1117 printk(KERN_ERR
"NFS: Attr length error, %u != %Zu\n",
1118 len
, ((char *)p
- (char *)q
) + 4);
1121 *q
++ = htonl(bmval0
);
1122 *q
++ = htonl(bmval1
);
1124 *q
++ = htonl(bmval2
);
1125 len
= (char *)p
- (char *)(q
+ 1);
1131 static void encode_access(struct xdr_stream
*xdr
, u32 access
, struct compound_hdr
*hdr
)
1133 encode_op_hdr(xdr
, OP_ACCESS
, decode_access_maxsz
, hdr
);
1134 encode_uint32(xdr
, access
);
1137 static void encode_close(struct xdr_stream
*xdr
, const struct nfs_closeargs
*arg
, struct compound_hdr
*hdr
)
1139 encode_op_hdr(xdr
, OP_CLOSE
, decode_close_maxsz
, hdr
);
1140 encode_nfs4_seqid(xdr
, arg
->seqid
);
1141 encode_nfs4_stateid(xdr
, arg
->stateid
);
1144 static void encode_commit(struct xdr_stream
*xdr
, const struct nfs_commitargs
*args
, struct compound_hdr
*hdr
)
1148 encode_op_hdr(xdr
, OP_COMMIT
, decode_commit_maxsz
, hdr
);
1149 p
= reserve_space(xdr
, 12);
1150 p
= xdr_encode_hyper(p
, args
->offset
);
1151 *p
= cpu_to_be32(args
->count
);
1154 static void encode_create(struct xdr_stream
*xdr
, const struct nfs4_create_arg
*create
, struct compound_hdr
*hdr
)
1158 encode_op_hdr(xdr
, OP_CREATE
, decode_create_maxsz
, hdr
);
1159 encode_uint32(xdr
, create
->ftype
);
1161 switch (create
->ftype
) {
1163 p
= reserve_space(xdr
, 4);
1164 *p
= cpu_to_be32(create
->u
.symlink
.len
);
1165 xdr_write_pages(xdr
, create
->u
.symlink
.pages
, 0, create
->u
.symlink
.len
);
1168 case NF4BLK
: case NF4CHR
:
1169 p
= reserve_space(xdr
, 8);
1170 *p
++ = cpu_to_be32(create
->u
.device
.specdata1
);
1171 *p
= cpu_to_be32(create
->u
.device
.specdata2
);
1178 encode_string(xdr
, create
->name
->len
, create
->name
->name
);
1179 encode_attrs(xdr
, create
->attrs
, create
->label
, create
->server
);
1182 static void encode_getattr_one(struct xdr_stream
*xdr
, uint32_t bitmap
, struct compound_hdr
*hdr
)
1186 encode_op_hdr(xdr
, OP_GETATTR
, decode_getattr_maxsz
, hdr
);
1187 p
= reserve_space(xdr
, 8);
1188 *p
++ = cpu_to_be32(1);
1189 *p
= cpu_to_be32(bitmap
);
1192 static void encode_getattr_two(struct xdr_stream
*xdr
, uint32_t bm0
, uint32_t bm1
, struct compound_hdr
*hdr
)
1196 encode_op_hdr(xdr
, OP_GETATTR
, decode_getattr_maxsz
, hdr
);
1197 p
= reserve_space(xdr
, 12);
1198 *p
++ = cpu_to_be32(2);
1199 *p
++ = cpu_to_be32(bm0
);
1200 *p
= cpu_to_be32(bm1
);
1204 encode_getattr_three(struct xdr_stream
*xdr
,
1205 uint32_t bm0
, uint32_t bm1
, uint32_t bm2
,
1206 struct compound_hdr
*hdr
)
1210 encode_op_hdr(xdr
, OP_GETATTR
, decode_getattr_maxsz
, hdr
);
1212 p
= reserve_space(xdr
, 16);
1213 *p
++ = cpu_to_be32(3);
1214 *p
++ = cpu_to_be32(bm0
);
1215 *p
++ = cpu_to_be32(bm1
);
1216 *p
= cpu_to_be32(bm2
);
1218 p
= reserve_space(xdr
, 12);
1219 *p
++ = cpu_to_be32(2);
1220 *p
++ = cpu_to_be32(bm0
);
1221 *p
= cpu_to_be32(bm1
);
1223 p
= reserve_space(xdr
, 8);
1224 *p
++ = cpu_to_be32(1);
1225 *p
= cpu_to_be32(bm0
);
1229 static void encode_getfattr(struct xdr_stream
*xdr
, const u32
* bitmask
, struct compound_hdr
*hdr
)
1231 encode_getattr_three(xdr
, bitmask
[0] & nfs4_fattr_bitmap
[0],
1232 bitmask
[1] & nfs4_fattr_bitmap
[1],
1233 bitmask
[2] & nfs4_fattr_bitmap
[2],
1237 static void encode_getfattr_open(struct xdr_stream
*xdr
, const u32
*bitmask
,
1238 const u32
*open_bitmap
,
1239 struct compound_hdr
*hdr
)
1241 encode_getattr_three(xdr
,
1242 bitmask
[0] & open_bitmap
[0],
1243 bitmask
[1] & open_bitmap
[1],
1244 bitmask
[2] & open_bitmap
[2],
1248 static void encode_fsinfo(struct xdr_stream
*xdr
, const u32
* bitmask
, struct compound_hdr
*hdr
)
1250 encode_getattr_three(xdr
,
1251 bitmask
[0] & nfs4_fsinfo_bitmap
[0],
1252 bitmask
[1] & nfs4_fsinfo_bitmap
[1],
1253 bitmask
[2] & nfs4_fsinfo_bitmap
[2],
1257 static void encode_fs_locations(struct xdr_stream
*xdr
, const u32
* bitmask
, struct compound_hdr
*hdr
)
1259 encode_getattr_two(xdr
, bitmask
[0] & nfs4_fs_locations_bitmap
[0],
1260 bitmask
[1] & nfs4_fs_locations_bitmap
[1], hdr
);
1263 static void encode_getfh(struct xdr_stream
*xdr
, struct compound_hdr
*hdr
)
1265 encode_op_hdr(xdr
, OP_GETFH
, decode_getfh_maxsz
, hdr
);
1268 static void encode_link(struct xdr_stream
*xdr
, const struct qstr
*name
, struct compound_hdr
*hdr
)
1270 encode_op_hdr(xdr
, OP_LINK
, decode_link_maxsz
, hdr
);
1271 encode_string(xdr
, name
->len
, name
->name
);
1274 static inline int nfs4_lock_type(struct file_lock
*fl
, int block
)
1276 if (fl
->fl_type
== F_RDLCK
)
1277 return block
? NFS4_READW_LT
: NFS4_READ_LT
;
1278 return block
? NFS4_WRITEW_LT
: NFS4_WRITE_LT
;
1281 static inline uint64_t nfs4_lock_length(struct file_lock
*fl
)
1283 if (fl
->fl_end
== OFFSET_MAX
)
1284 return ~(uint64_t)0;
1285 return fl
->fl_end
- fl
->fl_start
+ 1;
1288 static void encode_lockowner(struct xdr_stream
*xdr
, const struct nfs_lowner
*lowner
)
1292 p
= reserve_space(xdr
, 32);
1293 p
= xdr_encode_hyper(p
, lowner
->clientid
);
1294 *p
++ = cpu_to_be32(20);
1295 p
= xdr_encode_opaque_fixed(p
, "lock id:", 8);
1296 *p
++ = cpu_to_be32(lowner
->s_dev
);
1297 xdr_encode_hyper(p
, lowner
->id
);
1301 * opcode,type,reclaim,offset,length,new_lock_owner = 32
1302 * open_seqid,open_stateid,lock_seqid,lock_owner.clientid, lock_owner.id = 40
1304 static void encode_lock(struct xdr_stream
*xdr
, const struct nfs_lock_args
*args
, struct compound_hdr
*hdr
)
1308 encode_op_hdr(xdr
, OP_LOCK
, decode_lock_maxsz
, hdr
);
1309 p
= reserve_space(xdr
, 28);
1310 *p
++ = cpu_to_be32(nfs4_lock_type(args
->fl
, args
->block
));
1311 *p
++ = cpu_to_be32(args
->reclaim
);
1312 p
= xdr_encode_hyper(p
, args
->fl
->fl_start
);
1313 p
= xdr_encode_hyper(p
, nfs4_lock_length(args
->fl
));
1314 *p
= cpu_to_be32(args
->new_lock_owner
);
1315 if (args
->new_lock_owner
){
1316 encode_nfs4_seqid(xdr
, args
->open_seqid
);
1317 encode_nfs4_stateid(xdr
, args
->open_stateid
);
1318 encode_nfs4_seqid(xdr
, args
->lock_seqid
);
1319 encode_lockowner(xdr
, &args
->lock_owner
);
1322 encode_nfs4_stateid(xdr
, args
->lock_stateid
);
1323 encode_nfs4_seqid(xdr
, args
->lock_seqid
);
1327 static void encode_lockt(struct xdr_stream
*xdr
, const struct nfs_lockt_args
*args
, struct compound_hdr
*hdr
)
1331 encode_op_hdr(xdr
, OP_LOCKT
, decode_lockt_maxsz
, hdr
);
1332 p
= reserve_space(xdr
, 20);
1333 *p
++ = cpu_to_be32(nfs4_lock_type(args
->fl
, 0));
1334 p
= xdr_encode_hyper(p
, args
->fl
->fl_start
);
1335 p
= xdr_encode_hyper(p
, nfs4_lock_length(args
->fl
));
1336 encode_lockowner(xdr
, &args
->lock_owner
);
1339 static void encode_locku(struct xdr_stream
*xdr
, const struct nfs_locku_args
*args
, struct compound_hdr
*hdr
)
1343 encode_op_hdr(xdr
, OP_LOCKU
, decode_locku_maxsz
, hdr
);
1344 encode_uint32(xdr
, nfs4_lock_type(args
->fl
, 0));
1345 encode_nfs4_seqid(xdr
, args
->seqid
);
1346 encode_nfs4_stateid(xdr
, args
->stateid
);
1347 p
= reserve_space(xdr
, 16);
1348 p
= xdr_encode_hyper(p
, args
->fl
->fl_start
);
1349 xdr_encode_hyper(p
, nfs4_lock_length(args
->fl
));
1352 static void encode_release_lockowner(struct xdr_stream
*xdr
, const struct nfs_lowner
*lowner
, struct compound_hdr
*hdr
)
1354 encode_op_hdr(xdr
, OP_RELEASE_LOCKOWNER
, decode_release_lockowner_maxsz
, hdr
);
1355 encode_lockowner(xdr
, lowner
);
1358 static void encode_lookup(struct xdr_stream
*xdr
, const struct qstr
*name
, struct compound_hdr
*hdr
)
1360 encode_op_hdr(xdr
, OP_LOOKUP
, decode_lookup_maxsz
, hdr
);
1361 encode_string(xdr
, name
->len
, name
->name
);
1364 static void encode_share_access(struct xdr_stream
*xdr
, fmode_t fmode
)
1368 p
= reserve_space(xdr
, 8);
1369 switch (fmode
& (FMODE_READ
|FMODE_WRITE
)) {
1371 *p
++ = cpu_to_be32(NFS4_SHARE_ACCESS_READ
);
1374 *p
++ = cpu_to_be32(NFS4_SHARE_ACCESS_WRITE
);
1376 case FMODE_READ
|FMODE_WRITE
:
1377 *p
++ = cpu_to_be32(NFS4_SHARE_ACCESS_BOTH
);
1380 *p
++ = cpu_to_be32(0);
1382 *p
= cpu_to_be32(0); /* for linux, share_deny = 0 always */
1385 static inline void encode_openhdr(struct xdr_stream
*xdr
, const struct nfs_openargs
*arg
)
1389 * opcode 4, seqid 4, share_access 4, share_deny 4, clientid 8, ownerlen 4,
1392 encode_nfs4_seqid(xdr
, arg
->seqid
);
1393 encode_share_access(xdr
, arg
->fmode
);
1394 p
= reserve_space(xdr
, 36);
1395 p
= xdr_encode_hyper(p
, arg
->clientid
);
1396 *p
++ = cpu_to_be32(24);
1397 p
= xdr_encode_opaque_fixed(p
, "open id:", 8);
1398 *p
++ = cpu_to_be32(arg
->server
->s_dev
);
1399 *p
++ = cpu_to_be32(arg
->id
.uniquifier
);
1400 xdr_encode_hyper(p
, arg
->id
.create_time
);
1403 static inline void encode_createmode(struct xdr_stream
*xdr
, const struct nfs_openargs
*arg
)
1408 p
= reserve_space(xdr
, 4);
1409 switch(arg
->createmode
) {
1410 case NFS4_CREATE_UNCHECKED
:
1411 *p
= cpu_to_be32(NFS4_CREATE_UNCHECKED
);
1412 encode_attrs(xdr
, arg
->u
.attrs
, arg
->label
, arg
->server
);
1414 case NFS4_CREATE_GUARDED
:
1415 *p
= cpu_to_be32(NFS4_CREATE_GUARDED
);
1416 encode_attrs(xdr
, arg
->u
.attrs
, arg
->label
, arg
->server
);
1418 case NFS4_CREATE_EXCLUSIVE
:
1419 *p
= cpu_to_be32(NFS4_CREATE_EXCLUSIVE
);
1420 encode_nfs4_verifier(xdr
, &arg
->u
.verifier
);
1422 case NFS4_CREATE_EXCLUSIVE4_1
:
1423 *p
= cpu_to_be32(NFS4_CREATE_EXCLUSIVE4_1
);
1424 encode_nfs4_verifier(xdr
, &arg
->u
.verifier
);
1426 encode_attrs(xdr
, &dummy
, arg
->label
, arg
->server
);
1430 static void encode_opentype(struct xdr_stream
*xdr
, const struct nfs_openargs
*arg
)
1434 p
= reserve_space(xdr
, 4);
1435 switch (arg
->open_flags
& O_CREAT
) {
1437 *p
= cpu_to_be32(NFS4_OPEN_NOCREATE
);
1440 *p
= cpu_to_be32(NFS4_OPEN_CREATE
);
1441 encode_createmode(xdr
, arg
);
1445 static inline void encode_delegation_type(struct xdr_stream
*xdr
, fmode_t delegation_type
)
1449 p
= reserve_space(xdr
, 4);
1450 switch (delegation_type
) {
1452 *p
= cpu_to_be32(NFS4_OPEN_DELEGATE_NONE
);
1455 *p
= cpu_to_be32(NFS4_OPEN_DELEGATE_READ
);
1457 case FMODE_WRITE
|FMODE_READ
:
1458 *p
= cpu_to_be32(NFS4_OPEN_DELEGATE_WRITE
);
1465 static inline void encode_claim_null(struct xdr_stream
*xdr
, const struct qstr
*name
)
1469 p
= reserve_space(xdr
, 4);
1470 *p
= cpu_to_be32(NFS4_OPEN_CLAIM_NULL
);
1471 encode_string(xdr
, name
->len
, name
->name
);
1474 static inline void encode_claim_previous(struct xdr_stream
*xdr
, fmode_t type
)
1478 p
= reserve_space(xdr
, 4);
1479 *p
= cpu_to_be32(NFS4_OPEN_CLAIM_PREVIOUS
);
1480 encode_delegation_type(xdr
, type
);
1483 static inline void encode_claim_delegate_cur(struct xdr_stream
*xdr
, const struct qstr
*name
, const nfs4_stateid
*stateid
)
1487 p
= reserve_space(xdr
, 4);
1488 *p
= cpu_to_be32(NFS4_OPEN_CLAIM_DELEGATE_CUR
);
1489 encode_nfs4_stateid(xdr
, stateid
);
1490 encode_string(xdr
, name
->len
, name
->name
);
1493 static inline void encode_claim_fh(struct xdr_stream
*xdr
)
1497 p
= reserve_space(xdr
, 4);
1498 *p
= cpu_to_be32(NFS4_OPEN_CLAIM_FH
);
1501 static inline void encode_claim_delegate_cur_fh(struct xdr_stream
*xdr
, const nfs4_stateid
*stateid
)
1505 p
= reserve_space(xdr
, 4);
1506 *p
= cpu_to_be32(NFS4_OPEN_CLAIM_DELEG_CUR_FH
);
1507 encode_nfs4_stateid(xdr
, stateid
);
1510 static void encode_open(struct xdr_stream
*xdr
, const struct nfs_openargs
*arg
, struct compound_hdr
*hdr
)
1512 encode_op_hdr(xdr
, OP_OPEN
, decode_open_maxsz
, hdr
);
1513 encode_openhdr(xdr
, arg
);
1514 encode_opentype(xdr
, arg
);
1515 switch (arg
->claim
) {
1516 case NFS4_OPEN_CLAIM_NULL
:
1517 encode_claim_null(xdr
, arg
->name
);
1519 case NFS4_OPEN_CLAIM_PREVIOUS
:
1520 encode_claim_previous(xdr
, arg
->u
.delegation_type
);
1522 case NFS4_OPEN_CLAIM_DELEGATE_CUR
:
1523 encode_claim_delegate_cur(xdr
, arg
->name
, &arg
->u
.delegation
);
1525 case NFS4_OPEN_CLAIM_FH
:
1526 encode_claim_fh(xdr
);
1528 case NFS4_OPEN_CLAIM_DELEG_CUR_FH
:
1529 encode_claim_delegate_cur_fh(xdr
, &arg
->u
.delegation
);
1536 static void encode_open_confirm(struct xdr_stream
*xdr
, const struct nfs_open_confirmargs
*arg
, struct compound_hdr
*hdr
)
1538 encode_op_hdr(xdr
, OP_OPEN_CONFIRM
, decode_open_confirm_maxsz
, hdr
);
1539 encode_nfs4_stateid(xdr
, arg
->stateid
);
1540 encode_nfs4_seqid(xdr
, arg
->seqid
);
1543 static void encode_open_downgrade(struct xdr_stream
*xdr
, const struct nfs_closeargs
*arg
, struct compound_hdr
*hdr
)
1545 encode_op_hdr(xdr
, OP_OPEN_DOWNGRADE
, decode_open_downgrade_maxsz
, hdr
);
1546 encode_nfs4_stateid(xdr
, arg
->stateid
);
1547 encode_nfs4_seqid(xdr
, arg
->seqid
);
1548 encode_share_access(xdr
, arg
->fmode
);
1552 encode_putfh(struct xdr_stream
*xdr
, const struct nfs_fh
*fh
, struct compound_hdr
*hdr
)
1554 encode_op_hdr(xdr
, OP_PUTFH
, decode_putfh_maxsz
, hdr
);
1555 encode_string(xdr
, fh
->size
, fh
->data
);
1558 static void encode_putrootfh(struct xdr_stream
*xdr
, struct compound_hdr
*hdr
)
1560 encode_op_hdr(xdr
, OP_PUTROOTFH
, decode_putrootfh_maxsz
, hdr
);
1563 static void encode_read(struct xdr_stream
*xdr
, const struct nfs_readargs
*args
, struct compound_hdr
*hdr
)
1567 encode_op_hdr(xdr
, OP_READ
, decode_read_maxsz
, hdr
);
1568 encode_nfs4_stateid(xdr
, &args
->stateid
);
1570 p
= reserve_space(xdr
, 12);
1571 p
= xdr_encode_hyper(p
, args
->offset
);
1572 *p
= cpu_to_be32(args
->count
);
1575 static void encode_readdir(struct xdr_stream
*xdr
, const struct nfs4_readdir_arg
*readdir
, struct rpc_rqst
*req
, struct compound_hdr
*hdr
)
1577 uint32_t attrs
[3] = {
1578 FATTR4_WORD0_RDATTR_ERROR
,
1579 FATTR4_WORD1_MOUNTED_ON_FILEID
,
1581 uint32_t dircount
= readdir
->count
>> 1;
1584 if (readdir
->plus
) {
1585 attrs
[0] |= FATTR4_WORD0_TYPE
|FATTR4_WORD0_CHANGE
|FATTR4_WORD0_SIZE
|
1586 FATTR4_WORD0_FSID
|FATTR4_WORD0_FILEHANDLE
|FATTR4_WORD0_FILEID
;
1587 attrs
[1] |= FATTR4_WORD1_MODE
|FATTR4_WORD1_NUMLINKS
|FATTR4_WORD1_OWNER
|
1588 FATTR4_WORD1_OWNER_GROUP
|FATTR4_WORD1_RAWDEV
|
1589 FATTR4_WORD1_SPACE_USED
|FATTR4_WORD1_TIME_ACCESS
|
1590 FATTR4_WORD1_TIME_METADATA
|FATTR4_WORD1_TIME_MODIFY
;
1593 /* Use mounted_on_fileid only if the server supports it */
1594 if (!(readdir
->bitmask
[1] & FATTR4_WORD1_MOUNTED_ON_FILEID
))
1595 attrs
[0] |= FATTR4_WORD0_FILEID
;
1597 encode_op_hdr(xdr
, OP_READDIR
, decode_readdir_maxsz
, hdr
);
1598 encode_uint64(xdr
, readdir
->cookie
);
1599 encode_nfs4_verifier(xdr
, &readdir
->verifier
);
1600 p
= reserve_space(xdr
, encode_readdir_space
);
1601 *p
++ = cpu_to_be32(dircount
);
1602 *p
++ = cpu_to_be32(readdir
->count
);
1603 *p
++ = cpu_to_be32(encode_readdir_bitmask_sz
);
1604 *p
++ = cpu_to_be32(attrs
[0] & readdir
->bitmask
[0]);
1605 *p
= cpu_to_be32(attrs
[1] & readdir
->bitmask
[1]);
1606 if (encode_readdir_bitmask_sz
> 2) {
1607 if (hdr
->minorversion
> 1)
1608 attrs
[2] |= FATTR4_WORD2_SECURITY_LABEL
;
1609 p
++, *p
++ = cpu_to_be32(attrs
[2] & readdir
->bitmask
[2]);
1611 memcpy(verf
, readdir
->verifier
.data
, sizeof(verf
));
1613 dprintk("%s: cookie = %llu, verifier = %08x:%08x, bitmap = %08x:%08x:%08x\n",
1615 (unsigned long long)readdir
->cookie
,
1617 attrs
[0] & readdir
->bitmask
[0],
1618 attrs
[1] & readdir
->bitmask
[1],
1619 attrs
[2] & readdir
->bitmask
[2]);
1622 static void encode_readlink(struct xdr_stream
*xdr
, const struct nfs4_readlink
*readlink
, struct rpc_rqst
*req
, struct compound_hdr
*hdr
)
1624 encode_op_hdr(xdr
, OP_READLINK
, decode_readlink_maxsz
, hdr
);
1627 static void encode_remove(struct xdr_stream
*xdr
, const struct qstr
*name
, struct compound_hdr
*hdr
)
1629 encode_op_hdr(xdr
, OP_REMOVE
, decode_remove_maxsz
, hdr
);
1630 encode_string(xdr
, name
->len
, name
->name
);
1633 static void encode_rename(struct xdr_stream
*xdr
, const struct qstr
*oldname
, const struct qstr
*newname
, struct compound_hdr
*hdr
)
1635 encode_op_hdr(xdr
, OP_RENAME
, decode_rename_maxsz
, hdr
);
1636 encode_string(xdr
, oldname
->len
, oldname
->name
);
1637 encode_string(xdr
, newname
->len
, newname
->name
);
1640 static void encode_renew(struct xdr_stream
*xdr
, clientid4 clid
,
1641 struct compound_hdr
*hdr
)
1643 encode_op_hdr(xdr
, OP_RENEW
, decode_renew_maxsz
, hdr
);
1644 encode_uint64(xdr
, clid
);
1648 encode_restorefh(struct xdr_stream
*xdr
, struct compound_hdr
*hdr
)
1650 encode_op_hdr(xdr
, OP_RESTOREFH
, decode_restorefh_maxsz
, hdr
);
1654 encode_setacl(struct xdr_stream
*xdr
, struct nfs_setaclargs
*arg
, struct compound_hdr
*hdr
)
1658 encode_op_hdr(xdr
, OP_SETATTR
, decode_setacl_maxsz
, hdr
);
1659 encode_nfs4_stateid(xdr
, &zero_stateid
);
1660 p
= reserve_space(xdr
, 2*4);
1661 *p
++ = cpu_to_be32(1);
1662 *p
= cpu_to_be32(FATTR4_WORD0_ACL
);
1663 p
= reserve_space(xdr
, 4);
1664 *p
= cpu_to_be32(arg
->acl_len
);
1665 xdr_write_pages(xdr
, arg
->acl_pages
, arg
->acl_pgbase
, arg
->acl_len
);
1669 encode_savefh(struct xdr_stream
*xdr
, struct compound_hdr
*hdr
)
1671 encode_op_hdr(xdr
, OP_SAVEFH
, decode_savefh_maxsz
, hdr
);
1674 static void encode_setattr(struct xdr_stream
*xdr
, const struct nfs_setattrargs
*arg
, const struct nfs_server
*server
, struct compound_hdr
*hdr
)
1676 encode_op_hdr(xdr
, OP_SETATTR
, decode_setattr_maxsz
, hdr
);
1677 encode_nfs4_stateid(xdr
, &arg
->stateid
);
1678 encode_attrs(xdr
, arg
->iap
, arg
->label
, server
);
1681 static void encode_setclientid(struct xdr_stream
*xdr
, const struct nfs4_setclientid
*setclientid
, struct compound_hdr
*hdr
)
1685 encode_op_hdr(xdr
, OP_SETCLIENTID
, decode_setclientid_maxsz
, hdr
);
1686 encode_nfs4_verifier(xdr
, setclientid
->sc_verifier
);
1688 encode_string(xdr
, setclientid
->sc_name_len
, setclientid
->sc_name
);
1689 p
= reserve_space(xdr
, 4);
1690 *p
= cpu_to_be32(setclientid
->sc_prog
);
1691 encode_string(xdr
, setclientid
->sc_netid_len
, setclientid
->sc_netid
);
1692 encode_string(xdr
, setclientid
->sc_uaddr_len
, setclientid
->sc_uaddr
);
1693 p
= reserve_space(xdr
, 4);
1694 *p
= cpu_to_be32(setclientid
->sc_cb_ident
);
1697 static void encode_setclientid_confirm(struct xdr_stream
*xdr
, const struct nfs4_setclientid_res
*arg
, struct compound_hdr
*hdr
)
1699 encode_op_hdr(xdr
, OP_SETCLIENTID_CONFIRM
,
1700 decode_setclientid_confirm_maxsz
, hdr
);
1701 encode_uint64(xdr
, arg
->clientid
);
1702 encode_nfs4_verifier(xdr
, &arg
->confirm
);
1705 static void encode_write(struct xdr_stream
*xdr
, const struct nfs_writeargs
*args
, struct compound_hdr
*hdr
)
1709 encode_op_hdr(xdr
, OP_WRITE
, decode_write_maxsz
, hdr
);
1710 encode_nfs4_stateid(xdr
, &args
->stateid
);
1712 p
= reserve_space(xdr
, 16);
1713 p
= xdr_encode_hyper(p
, args
->offset
);
1714 *p
++ = cpu_to_be32(args
->stable
);
1715 *p
= cpu_to_be32(args
->count
);
1717 xdr_write_pages(xdr
, args
->pages
, args
->pgbase
, args
->count
);
1720 static void encode_delegreturn(struct xdr_stream
*xdr
, const nfs4_stateid
*stateid
, struct compound_hdr
*hdr
)
1722 encode_op_hdr(xdr
, OP_DELEGRETURN
, decode_delegreturn_maxsz
, hdr
);
1723 encode_nfs4_stateid(xdr
, stateid
);
1726 static void encode_secinfo(struct xdr_stream
*xdr
, const struct qstr
*name
, struct compound_hdr
*hdr
)
1728 encode_op_hdr(xdr
, OP_SECINFO
, decode_secinfo_maxsz
, hdr
);
1729 encode_string(xdr
, name
->len
, name
->name
);
1732 #if defined(CONFIG_NFS_V4_1)
1733 /* NFSv4.1 operations */
1734 static void encode_bind_conn_to_session(struct xdr_stream
*xdr
,
1735 struct nfs4_session
*session
,
1736 struct compound_hdr
*hdr
)
1740 encode_op_hdr(xdr
, OP_BIND_CONN_TO_SESSION
,
1741 decode_bind_conn_to_session_maxsz
, hdr
);
1742 encode_opaque_fixed(xdr
, session
->sess_id
.data
, NFS4_MAX_SESSIONID_LEN
);
1743 p
= xdr_reserve_space(xdr
, 8);
1744 *p
++ = cpu_to_be32(NFS4_CDFC4_BACK_OR_BOTH
);
1745 *p
= 0; /* use_conn_in_rdma_mode = False */
1748 static void encode_exchange_id(struct xdr_stream
*xdr
,
1749 struct nfs41_exchange_id_args
*args
,
1750 struct compound_hdr
*hdr
)
1753 char impl_name
[IMPL_NAME_LIMIT
];
1756 encode_op_hdr(xdr
, OP_EXCHANGE_ID
, decode_exchange_id_maxsz
, hdr
);
1757 encode_nfs4_verifier(xdr
, args
->verifier
);
1759 encode_string(xdr
, args
->id_len
, args
->id
);
1761 p
= reserve_space(xdr
, 12);
1762 *p
++ = cpu_to_be32(args
->flags
);
1763 *p
++ = cpu_to_be32(0); /* zero length state_protect4_a */
1765 if (send_implementation_id
&&
1766 sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN
) > 1 &&
1767 sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN
)
1768 <= sizeof(impl_name
) + 1)
1769 len
= snprintf(impl_name
, sizeof(impl_name
), "%s %s %s %s",
1770 utsname()->sysname
, utsname()->release
,
1771 utsname()->version
, utsname()->machine
);
1774 *p
= cpu_to_be32(1); /* implementation id array length=1 */
1777 sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN
) - 1,
1778 CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN
);
1779 encode_string(xdr
, len
, impl_name
);
1780 /* just send zeros for nii_date - the date is in nii_name */
1781 p
= reserve_space(xdr
, 12);
1782 p
= xdr_encode_hyper(p
, 0);
1783 *p
= cpu_to_be32(0);
1785 *p
= cpu_to_be32(0); /* implementation id array length=0 */
1788 static void encode_create_session(struct xdr_stream
*xdr
,
1789 struct nfs41_create_session_args
*args
,
1790 struct compound_hdr
*hdr
)
1793 char machine_name
[NFS4_MAX_MACHINE_NAME_LEN
];
1795 struct nfs_client
*clp
= args
->client
;
1796 struct nfs_net
*nn
= net_generic(clp
->cl_net
, nfs_net_id
);
1797 u32 max_resp_sz_cached
;
1800 * Assumes OPEN is the biggest non-idempotent compound.
1801 * 2 is the verifier.
1803 max_resp_sz_cached
= (NFS4_dec_open_sz
+ RPC_REPHDRSIZE
+
1804 RPC_MAX_AUTH_SIZE
+ 2) * XDR_UNIT
;
1806 len
= scnprintf(machine_name
, sizeof(machine_name
), "%s",
1809 encode_op_hdr(xdr
, OP_CREATE_SESSION
, decode_create_session_maxsz
, hdr
);
1810 p
= reserve_space(xdr
, 16 + 2*28 + 20 + len
+ 12);
1811 p
= xdr_encode_hyper(p
, clp
->cl_clientid
);
1812 *p
++ = cpu_to_be32(clp
->cl_seqid
); /*Sequence id */
1813 *p
++ = cpu_to_be32(args
->flags
); /*flags */
1816 *p
++ = cpu_to_be32(0); /* header padding size */
1817 *p
++ = cpu_to_be32(args
->fc_attrs
.max_rqst_sz
); /* max req size */
1818 *p
++ = cpu_to_be32(args
->fc_attrs
.max_resp_sz
); /* max resp size */
1819 *p
++ = cpu_to_be32(max_resp_sz_cached
); /* Max resp sz cached */
1820 *p
++ = cpu_to_be32(args
->fc_attrs
.max_ops
); /* max operations */
1821 *p
++ = cpu_to_be32(args
->fc_attrs
.max_reqs
); /* max requests */
1822 *p
++ = cpu_to_be32(0); /* rdmachannel_attrs */
1825 *p
++ = cpu_to_be32(0); /* header padding size */
1826 *p
++ = cpu_to_be32(args
->bc_attrs
.max_rqst_sz
); /* max req size */
1827 *p
++ = cpu_to_be32(args
->bc_attrs
.max_resp_sz
); /* max resp size */
1828 *p
++ = cpu_to_be32(args
->bc_attrs
.max_resp_sz_cached
); /* Max resp sz cached */
1829 *p
++ = cpu_to_be32(args
->bc_attrs
.max_ops
); /* max operations */
1830 *p
++ = cpu_to_be32(args
->bc_attrs
.max_reqs
); /* max requests */
1831 *p
++ = cpu_to_be32(0); /* rdmachannel_attrs */
1833 *p
++ = cpu_to_be32(args
->cb_program
); /* cb_program */
1834 *p
++ = cpu_to_be32(1);
1835 *p
++ = cpu_to_be32(RPC_AUTH_UNIX
); /* auth_sys */
1837 /* authsys_parms rfc1831 */
1838 *p
++ = (__be32
)nn
->boot_time
.tv_nsec
; /* stamp */
1839 p
= xdr_encode_opaque(p
, machine_name
, len
);
1840 *p
++ = cpu_to_be32(0); /* UID */
1841 *p
++ = cpu_to_be32(0); /* GID */
1842 *p
= cpu_to_be32(0); /* No more gids */
1845 static void encode_destroy_session(struct xdr_stream
*xdr
,
1846 struct nfs4_session
*session
,
1847 struct compound_hdr
*hdr
)
1849 encode_op_hdr(xdr
, OP_DESTROY_SESSION
, decode_destroy_session_maxsz
, hdr
);
1850 encode_opaque_fixed(xdr
, session
->sess_id
.data
, NFS4_MAX_SESSIONID_LEN
);
1853 static void encode_destroy_clientid(struct xdr_stream
*xdr
,
1855 struct compound_hdr
*hdr
)
1857 encode_op_hdr(xdr
, OP_DESTROY_CLIENTID
, decode_destroy_clientid_maxsz
, hdr
);
1858 encode_uint64(xdr
, clientid
);
1861 static void encode_reclaim_complete(struct xdr_stream
*xdr
,
1862 struct nfs41_reclaim_complete_args
*args
,
1863 struct compound_hdr
*hdr
)
1865 encode_op_hdr(xdr
, OP_RECLAIM_COMPLETE
, decode_reclaim_complete_maxsz
, hdr
);
1866 encode_uint32(xdr
, args
->one_fs
);
1868 #endif /* CONFIG_NFS_V4_1 */
1870 static void encode_sequence(struct xdr_stream
*xdr
,
1871 const struct nfs4_sequence_args
*args
,
1872 struct compound_hdr
*hdr
)
1874 #if defined(CONFIG_NFS_V4_1)
1875 struct nfs4_session
*session
;
1876 struct nfs4_slot_table
*tp
;
1877 struct nfs4_slot
*slot
= args
->sa_slot
;
1884 session
= tp
->session
;
1886 encode_op_hdr(xdr
, OP_SEQUENCE
, decode_sequence_maxsz
, hdr
);
1889 * Sessionid + seqid + slotid + max slotid + cache_this
1891 dprintk("%s: sessionid=%u:%u:%u:%u seqid=%d slotid=%d "
1892 "max_slotid=%d cache_this=%d\n",
1894 ((u32
*)session
->sess_id
.data
)[0],
1895 ((u32
*)session
->sess_id
.data
)[1],
1896 ((u32
*)session
->sess_id
.data
)[2],
1897 ((u32
*)session
->sess_id
.data
)[3],
1898 slot
->seq_nr
, slot
->slot_nr
,
1899 tp
->highest_used_slotid
, args
->sa_cache_this
);
1900 p
= reserve_space(xdr
, NFS4_MAX_SESSIONID_LEN
+ 16);
1901 p
= xdr_encode_opaque_fixed(p
, session
->sess_id
.data
, NFS4_MAX_SESSIONID_LEN
);
1902 *p
++ = cpu_to_be32(slot
->seq_nr
);
1903 *p
++ = cpu_to_be32(slot
->slot_nr
);
1904 *p
++ = cpu_to_be32(tp
->highest_used_slotid
);
1905 *p
= cpu_to_be32(args
->sa_cache_this
);
1906 #endif /* CONFIG_NFS_V4_1 */
1909 #ifdef CONFIG_NFS_V4_1
1911 encode_getdevicelist(struct xdr_stream
*xdr
,
1912 const struct nfs4_getdevicelist_args
*args
,
1913 struct compound_hdr
*hdr
)
1916 nfs4_verifier dummy
= {
1920 encode_op_hdr(xdr
, OP_GETDEVICELIST
, decode_getdevicelist_maxsz
, hdr
);
1921 p
= reserve_space(xdr
, 16);
1922 *p
++ = cpu_to_be32(args
->layoutclass
);
1923 *p
++ = cpu_to_be32(NFS4_PNFS_GETDEVLIST_MAXNUM
);
1924 xdr_encode_hyper(p
, 0ULL); /* cookie */
1925 encode_nfs4_verifier(xdr
, &dummy
);
1929 encode_getdeviceinfo(struct xdr_stream
*xdr
,
1930 const struct nfs4_getdeviceinfo_args
*args
,
1931 struct compound_hdr
*hdr
)
1935 encode_op_hdr(xdr
, OP_GETDEVICEINFO
, decode_getdeviceinfo_maxsz
, hdr
);
1936 p
= reserve_space(xdr
, 12 + NFS4_DEVICEID4_SIZE
);
1937 p
= xdr_encode_opaque_fixed(p
, args
->pdev
->dev_id
.data
,
1938 NFS4_DEVICEID4_SIZE
);
1939 *p
++ = cpu_to_be32(args
->pdev
->layout_type
);
1940 *p
++ = cpu_to_be32(args
->pdev
->maxcount
); /* gdia_maxcount */
1941 *p
++ = cpu_to_be32(0); /* bitmap length 0 */
1945 encode_layoutget(struct xdr_stream
*xdr
,
1946 const struct nfs4_layoutget_args
*args
,
1947 struct compound_hdr
*hdr
)
1951 encode_op_hdr(xdr
, OP_LAYOUTGET
, decode_layoutget_maxsz
, hdr
);
1952 p
= reserve_space(xdr
, 36);
1953 *p
++ = cpu_to_be32(0); /* Signal layout available */
1954 *p
++ = cpu_to_be32(args
->type
);
1955 *p
++ = cpu_to_be32(args
->range
.iomode
);
1956 p
= xdr_encode_hyper(p
, args
->range
.offset
);
1957 p
= xdr_encode_hyper(p
, args
->range
.length
);
1958 p
= xdr_encode_hyper(p
, args
->minlength
);
1959 encode_nfs4_stateid(xdr
, &args
->stateid
);
1960 encode_uint32(xdr
, args
->maxcount
);
1962 dprintk("%s: 1st type:0x%x iomode:%d off:%lu len:%lu mc:%d\n",
1966 (unsigned long)args
->range
.offset
,
1967 (unsigned long)args
->range
.length
,
1972 encode_layoutcommit(struct xdr_stream
*xdr
,
1973 struct inode
*inode
,
1974 const struct nfs4_layoutcommit_args
*args
,
1975 struct compound_hdr
*hdr
)
1979 dprintk("%s: lbw: %llu type: %d\n", __func__
, args
->lastbytewritten
,
1980 NFS_SERVER(args
->inode
)->pnfs_curr_ld
->id
);
1982 encode_op_hdr(xdr
, OP_LAYOUTCOMMIT
, decode_layoutcommit_maxsz
, hdr
);
1983 p
= reserve_space(xdr
, 20);
1984 /* Only whole file layouts */
1985 p
= xdr_encode_hyper(p
, 0); /* offset */
1986 p
= xdr_encode_hyper(p
, args
->lastbytewritten
+ 1); /* length */
1987 *p
= cpu_to_be32(0); /* reclaim */
1988 encode_nfs4_stateid(xdr
, &args
->stateid
);
1989 p
= reserve_space(xdr
, 20);
1990 *p
++ = cpu_to_be32(1); /* newoffset = TRUE */
1991 p
= xdr_encode_hyper(p
, args
->lastbytewritten
);
1992 *p
++ = cpu_to_be32(0); /* Never send time_modify_changed */
1993 *p
++ = cpu_to_be32(NFS_SERVER(args
->inode
)->pnfs_curr_ld
->id
);/* type */
1995 if (NFS_SERVER(inode
)->pnfs_curr_ld
->encode_layoutcommit
)
1996 NFS_SERVER(inode
)->pnfs_curr_ld
->encode_layoutcommit(
1997 NFS_I(inode
)->layout
, xdr
, args
);
1999 encode_uint32(xdr
, 0); /* no layout-type payload */
2005 encode_layoutreturn(struct xdr_stream
*xdr
,
2006 const struct nfs4_layoutreturn_args
*args
,
2007 struct compound_hdr
*hdr
)
2011 encode_op_hdr(xdr
, OP_LAYOUTRETURN
, decode_layoutreturn_maxsz
, hdr
);
2012 p
= reserve_space(xdr
, 16);
2013 *p
++ = cpu_to_be32(0); /* reclaim. always 0 for now */
2014 *p
++ = cpu_to_be32(args
->layout_type
);
2015 *p
++ = cpu_to_be32(IOMODE_ANY
);
2016 *p
= cpu_to_be32(RETURN_FILE
);
2017 p
= reserve_space(xdr
, 16);
2018 p
= xdr_encode_hyper(p
, 0);
2019 p
= xdr_encode_hyper(p
, NFS4_MAX_UINT64
);
2020 spin_lock(&args
->inode
->i_lock
);
2021 encode_nfs4_stateid(xdr
, &args
->stateid
);
2022 spin_unlock(&args
->inode
->i_lock
);
2023 if (NFS_SERVER(args
->inode
)->pnfs_curr_ld
->encode_layoutreturn
) {
2024 NFS_SERVER(args
->inode
)->pnfs_curr_ld
->encode_layoutreturn(
2025 NFS_I(args
->inode
)->layout
, xdr
, args
);
2027 encode_uint32(xdr
, 0);
2031 encode_secinfo_no_name(struct xdr_stream
*xdr
,
2032 const struct nfs41_secinfo_no_name_args
*args
,
2033 struct compound_hdr
*hdr
)
2035 encode_op_hdr(xdr
, OP_SECINFO_NO_NAME
, decode_secinfo_no_name_maxsz
, hdr
);
2036 encode_uint32(xdr
, args
->style
);
2040 static void encode_test_stateid(struct xdr_stream
*xdr
,
2041 struct nfs41_test_stateid_args
*args
,
2042 struct compound_hdr
*hdr
)
2044 encode_op_hdr(xdr
, OP_TEST_STATEID
, decode_test_stateid_maxsz
, hdr
);
2045 encode_uint32(xdr
, 1);
2046 encode_nfs4_stateid(xdr
, args
->stateid
);
2049 static void encode_free_stateid(struct xdr_stream
*xdr
,
2050 struct nfs41_free_stateid_args
*args
,
2051 struct compound_hdr
*hdr
)
2053 encode_op_hdr(xdr
, OP_FREE_STATEID
, decode_free_stateid_maxsz
, hdr
);
2054 encode_nfs4_stateid(xdr
, &args
->stateid
);
2056 #endif /* CONFIG_NFS_V4_1 */
2059 * END OF "GENERIC" ENCODE ROUTINES.
2062 static u32
nfs4_xdr_minorversion(const struct nfs4_sequence_args
*args
)
2064 #if defined(CONFIG_NFS_V4_1)
2067 return args
->sa_slot
->table
->session
->clp
->cl_mvops
->minor_version
;
2068 #endif /* CONFIG_NFS_V4_1 */
2073 * Encode an ACCESS request
2075 static void nfs4_xdr_enc_access(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2076 const struct nfs4_accessargs
*args
)
2078 struct compound_hdr hdr
= {
2079 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2082 encode_compound_hdr(xdr
, req
, &hdr
);
2083 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2084 encode_putfh(xdr
, args
->fh
, &hdr
);
2085 encode_access(xdr
, args
->access
, &hdr
);
2086 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2091 * Encode LOOKUP request
2093 static void nfs4_xdr_enc_lookup(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2094 const struct nfs4_lookup_arg
*args
)
2096 struct compound_hdr hdr
= {
2097 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2100 encode_compound_hdr(xdr
, req
, &hdr
);
2101 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2102 encode_putfh(xdr
, args
->dir_fh
, &hdr
);
2103 encode_lookup(xdr
, args
->name
, &hdr
);
2104 encode_getfh(xdr
, &hdr
);
2105 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2110 * Encode LOOKUP_ROOT request
2112 static void nfs4_xdr_enc_lookup_root(struct rpc_rqst
*req
,
2113 struct xdr_stream
*xdr
,
2114 const struct nfs4_lookup_root_arg
*args
)
2116 struct compound_hdr hdr
= {
2117 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2120 encode_compound_hdr(xdr
, req
, &hdr
);
2121 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2122 encode_putrootfh(xdr
, &hdr
);
2123 encode_getfh(xdr
, &hdr
);
2124 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2129 * Encode REMOVE request
2131 static void nfs4_xdr_enc_remove(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2132 const struct nfs_removeargs
*args
)
2134 struct compound_hdr hdr
= {
2135 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2138 encode_compound_hdr(xdr
, req
, &hdr
);
2139 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2140 encode_putfh(xdr
, args
->fh
, &hdr
);
2141 encode_remove(xdr
, &args
->name
, &hdr
);
2146 * Encode RENAME request
2148 static void nfs4_xdr_enc_rename(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2149 const struct nfs_renameargs
*args
)
2151 struct compound_hdr hdr
= {
2152 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2155 encode_compound_hdr(xdr
, req
, &hdr
);
2156 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2157 encode_putfh(xdr
, args
->old_dir
, &hdr
);
2158 encode_savefh(xdr
, &hdr
);
2159 encode_putfh(xdr
, args
->new_dir
, &hdr
);
2160 encode_rename(xdr
, args
->old_name
, args
->new_name
, &hdr
);
2165 * Encode LINK request
2167 static void nfs4_xdr_enc_link(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2168 const struct nfs4_link_arg
*args
)
2170 struct compound_hdr hdr
= {
2171 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2174 encode_compound_hdr(xdr
, req
, &hdr
);
2175 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2176 encode_putfh(xdr
, args
->fh
, &hdr
);
2177 encode_savefh(xdr
, &hdr
);
2178 encode_putfh(xdr
, args
->dir_fh
, &hdr
);
2179 encode_link(xdr
, args
->name
, &hdr
);
2180 encode_restorefh(xdr
, &hdr
);
2181 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2186 * Encode CREATE request
2188 static void nfs4_xdr_enc_create(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2189 const struct nfs4_create_arg
*args
)
2191 struct compound_hdr hdr
= {
2192 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2195 encode_compound_hdr(xdr
, req
, &hdr
);
2196 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2197 encode_putfh(xdr
, args
->dir_fh
, &hdr
);
2198 encode_create(xdr
, args
, &hdr
);
2199 encode_getfh(xdr
, &hdr
);
2200 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2205 * Encode SYMLINK request
2207 static void nfs4_xdr_enc_symlink(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2208 const struct nfs4_create_arg
*args
)
2210 nfs4_xdr_enc_create(req
, xdr
, args
);
2214 * Encode GETATTR request
2216 static void nfs4_xdr_enc_getattr(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2217 const struct nfs4_getattr_arg
*args
)
2219 struct compound_hdr hdr
= {
2220 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2223 encode_compound_hdr(xdr
, req
, &hdr
);
2224 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2225 encode_putfh(xdr
, args
->fh
, &hdr
);
2226 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2231 * Encode a CLOSE request
2233 static void nfs4_xdr_enc_close(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2234 struct nfs_closeargs
*args
)
2236 struct compound_hdr hdr
= {
2237 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2240 encode_compound_hdr(xdr
, req
, &hdr
);
2241 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2242 encode_putfh(xdr
, args
->fh
, &hdr
);
2243 encode_close(xdr
, args
, &hdr
);
2244 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2249 * Encode an OPEN request
2251 static void nfs4_xdr_enc_open(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2252 struct nfs_openargs
*args
)
2254 struct compound_hdr hdr
= {
2255 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2258 encode_compound_hdr(xdr
, req
, &hdr
);
2259 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2260 encode_putfh(xdr
, args
->fh
, &hdr
);
2261 encode_open(xdr
, args
, &hdr
);
2262 encode_getfh(xdr
, &hdr
);
2264 encode_access(xdr
, args
->access
, &hdr
);
2265 encode_getfattr_open(xdr
, args
->bitmask
, args
->open_bitmap
, &hdr
);
2270 * Encode an OPEN_CONFIRM request
2272 static void nfs4_xdr_enc_open_confirm(struct rpc_rqst
*req
,
2273 struct xdr_stream
*xdr
,
2274 struct nfs_open_confirmargs
*args
)
2276 struct compound_hdr hdr
= {
2280 encode_compound_hdr(xdr
, req
, &hdr
);
2281 encode_putfh(xdr
, args
->fh
, &hdr
);
2282 encode_open_confirm(xdr
, args
, &hdr
);
2287 * Encode an OPEN request with no attributes.
2289 static void nfs4_xdr_enc_open_noattr(struct rpc_rqst
*req
,
2290 struct xdr_stream
*xdr
,
2291 struct nfs_openargs
*args
)
2293 struct compound_hdr hdr
= {
2294 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2297 encode_compound_hdr(xdr
, req
, &hdr
);
2298 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2299 encode_putfh(xdr
, args
->fh
, &hdr
);
2300 encode_open(xdr
, args
, &hdr
);
2302 encode_access(xdr
, args
->access
, &hdr
);
2303 encode_getfattr_open(xdr
, args
->bitmask
, args
->open_bitmap
, &hdr
);
2308 * Encode an OPEN_DOWNGRADE request
2310 static void nfs4_xdr_enc_open_downgrade(struct rpc_rqst
*req
,
2311 struct xdr_stream
*xdr
,
2312 struct nfs_closeargs
*args
)
2314 struct compound_hdr hdr
= {
2315 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2318 encode_compound_hdr(xdr
, req
, &hdr
);
2319 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2320 encode_putfh(xdr
, args
->fh
, &hdr
);
2321 encode_open_downgrade(xdr
, args
, &hdr
);
2322 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2327 * Encode a LOCK request
2329 static void nfs4_xdr_enc_lock(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2330 struct nfs_lock_args
*args
)
2332 struct compound_hdr hdr
= {
2333 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2336 encode_compound_hdr(xdr
, req
, &hdr
);
2337 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2338 encode_putfh(xdr
, args
->fh
, &hdr
);
2339 encode_lock(xdr
, args
, &hdr
);
2344 * Encode a LOCKT request
2346 static void nfs4_xdr_enc_lockt(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2347 struct nfs_lockt_args
*args
)
2349 struct compound_hdr hdr
= {
2350 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2353 encode_compound_hdr(xdr
, req
, &hdr
);
2354 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2355 encode_putfh(xdr
, args
->fh
, &hdr
);
2356 encode_lockt(xdr
, args
, &hdr
);
2361 * Encode a LOCKU request
2363 static void nfs4_xdr_enc_locku(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2364 struct nfs_locku_args
*args
)
2366 struct compound_hdr hdr
= {
2367 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2370 encode_compound_hdr(xdr
, req
, &hdr
);
2371 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2372 encode_putfh(xdr
, args
->fh
, &hdr
);
2373 encode_locku(xdr
, args
, &hdr
);
2377 static void nfs4_xdr_enc_release_lockowner(struct rpc_rqst
*req
,
2378 struct xdr_stream
*xdr
,
2379 struct nfs_release_lockowner_args
*args
)
2381 struct compound_hdr hdr
= {
2385 encode_compound_hdr(xdr
, req
, &hdr
);
2386 encode_release_lockowner(xdr
, &args
->lock_owner
, &hdr
);
2391 * Encode a READLINK request
2393 static void nfs4_xdr_enc_readlink(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2394 const struct nfs4_readlink
*args
)
2396 struct compound_hdr hdr
= {
2397 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2400 encode_compound_hdr(xdr
, req
, &hdr
);
2401 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2402 encode_putfh(xdr
, args
->fh
, &hdr
);
2403 encode_readlink(xdr
, args
, req
, &hdr
);
2405 xdr_inline_pages(&req
->rq_rcv_buf
, hdr
.replen
<< 2, args
->pages
,
2406 args
->pgbase
, args
->pglen
);
2411 * Encode a READDIR request
2413 static void nfs4_xdr_enc_readdir(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2414 const struct nfs4_readdir_arg
*args
)
2416 struct compound_hdr hdr
= {
2417 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2420 encode_compound_hdr(xdr
, req
, &hdr
);
2421 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2422 encode_putfh(xdr
, args
->fh
, &hdr
);
2423 encode_readdir(xdr
, args
, req
, &hdr
);
2425 xdr_inline_pages(&req
->rq_rcv_buf
, hdr
.replen
<< 2, args
->pages
,
2426 args
->pgbase
, args
->count
);
2427 dprintk("%s: inlined page args = (%u, %p, %u, %u)\n",
2428 __func__
, hdr
.replen
<< 2, args
->pages
,
2429 args
->pgbase
, args
->count
);
2434 * Encode a READ request
2436 static void nfs4_xdr_enc_read(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2437 struct nfs_readargs
*args
)
2439 struct compound_hdr hdr
= {
2440 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2443 encode_compound_hdr(xdr
, req
, &hdr
);
2444 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2445 encode_putfh(xdr
, args
->fh
, &hdr
);
2446 encode_read(xdr
, args
, &hdr
);
2448 xdr_inline_pages(&req
->rq_rcv_buf
, hdr
.replen
<< 2,
2449 args
->pages
, args
->pgbase
, args
->count
);
2450 req
->rq_rcv_buf
.flags
|= XDRBUF_READ
;
2455 * Encode an SETATTR request
2457 static void nfs4_xdr_enc_setattr(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2458 struct nfs_setattrargs
*args
)
2460 struct compound_hdr hdr
= {
2461 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2464 encode_compound_hdr(xdr
, req
, &hdr
);
2465 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2466 encode_putfh(xdr
, args
->fh
, &hdr
);
2467 encode_setattr(xdr
, args
, args
->server
, &hdr
);
2468 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2473 * Encode a GETACL request
2475 static void nfs4_xdr_enc_getacl(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2476 struct nfs_getaclargs
*args
)
2478 struct compound_hdr hdr
= {
2479 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2483 encode_compound_hdr(xdr
, req
, &hdr
);
2484 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2485 encode_putfh(xdr
, args
->fh
, &hdr
);
2486 replen
= hdr
.replen
+ op_decode_hdr_maxsz
+ 1;
2487 encode_getattr_two(xdr
, FATTR4_WORD0_ACL
, 0, &hdr
);
2489 xdr_inline_pages(&req
->rq_rcv_buf
, replen
<< 2,
2490 args
->acl_pages
, args
->acl_pgbase
, args
->acl_len
);
2496 * Encode a WRITE request
2498 static void nfs4_xdr_enc_write(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2499 struct nfs_writeargs
*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_write(xdr
, args
, &hdr
);
2509 req
->rq_snd_buf
.flags
|= XDRBUF_WRITE
;
2511 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2518 static void nfs4_xdr_enc_commit(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2519 struct nfs_commitargs
*args
)
2521 struct compound_hdr hdr
= {
2522 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2525 encode_compound_hdr(xdr
, req
, &hdr
);
2526 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2527 encode_putfh(xdr
, args
->fh
, &hdr
);
2528 encode_commit(xdr
, args
, &hdr
);
2535 static void nfs4_xdr_enc_fsinfo(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2536 struct nfs4_fsinfo_arg
*args
)
2538 struct compound_hdr hdr
= {
2539 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2542 encode_compound_hdr(xdr
, req
, &hdr
);
2543 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2544 encode_putfh(xdr
, args
->fh
, &hdr
);
2545 encode_fsinfo(xdr
, args
->bitmask
, &hdr
);
2550 * a PATHCONF request
2552 static void nfs4_xdr_enc_pathconf(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2553 const struct nfs4_pathconf_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
->fh
, &hdr
);
2562 encode_getattr_one(xdr
, args
->bitmask
[0] & nfs4_pathconf_bitmap
[0],
2570 static void nfs4_xdr_enc_statfs(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2571 const struct nfs4_statfs_arg
*args
)
2573 struct compound_hdr hdr
= {
2574 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2577 encode_compound_hdr(xdr
, req
, &hdr
);
2578 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2579 encode_putfh(xdr
, args
->fh
, &hdr
);
2580 encode_getattr_two(xdr
, args
->bitmask
[0] & nfs4_statfs_bitmap
[0],
2581 args
->bitmask
[1] & nfs4_statfs_bitmap
[1], &hdr
);
2586 * GETATTR_BITMAP request
2588 static void nfs4_xdr_enc_server_caps(struct rpc_rqst
*req
,
2589 struct xdr_stream
*xdr
,
2590 struct nfs4_server_caps_arg
*args
)
2592 struct compound_hdr hdr
= {
2593 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2596 encode_compound_hdr(xdr
, req
, &hdr
);
2597 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2598 encode_putfh(xdr
, args
->fhandle
, &hdr
);
2599 encode_getattr_one(xdr
, FATTR4_WORD0_SUPPORTED_ATTRS
|
2600 FATTR4_WORD0_FH_EXPIRE_TYPE
|
2601 FATTR4_WORD0_LINK_SUPPORT
|
2602 FATTR4_WORD0_SYMLINK_SUPPORT
|
2603 FATTR4_WORD0_ACLSUPPORT
, &hdr
);
2610 static void nfs4_xdr_enc_renew(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2611 struct nfs_client
*clp
)
2613 struct compound_hdr hdr
= {
2617 encode_compound_hdr(xdr
, req
, &hdr
);
2618 encode_renew(xdr
, clp
->cl_clientid
, &hdr
);
2623 * a SETCLIENTID request
2625 static void nfs4_xdr_enc_setclientid(struct rpc_rqst
*req
,
2626 struct xdr_stream
*xdr
,
2627 struct nfs4_setclientid
*sc
)
2629 struct compound_hdr hdr
= {
2633 encode_compound_hdr(xdr
, req
, &hdr
);
2634 encode_setclientid(xdr
, sc
, &hdr
);
2639 * a SETCLIENTID_CONFIRM request
2641 static void nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst
*req
,
2642 struct xdr_stream
*xdr
,
2643 struct nfs4_setclientid_res
*arg
)
2645 struct compound_hdr hdr
= {
2649 encode_compound_hdr(xdr
, req
, &hdr
);
2650 encode_setclientid_confirm(xdr
, arg
, &hdr
);
2655 * DELEGRETURN request
2657 static void nfs4_xdr_enc_delegreturn(struct rpc_rqst
*req
,
2658 struct xdr_stream
*xdr
,
2659 const struct nfs4_delegreturnargs
*args
)
2661 struct compound_hdr hdr
= {
2662 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2665 encode_compound_hdr(xdr
, req
, &hdr
);
2666 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2667 encode_putfh(xdr
, args
->fhandle
, &hdr
);
2668 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2669 encode_delegreturn(xdr
, args
->stateid
, &hdr
);
2674 * Encode FS_LOCATIONS request
2676 static void nfs4_xdr_enc_fs_locations(struct rpc_rqst
*req
,
2677 struct xdr_stream
*xdr
,
2678 struct nfs4_fs_locations_arg
*args
)
2680 struct compound_hdr hdr
= {
2681 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2685 encode_compound_hdr(xdr
, req
, &hdr
);
2686 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2687 encode_putfh(xdr
, args
->dir_fh
, &hdr
);
2688 encode_lookup(xdr
, args
->name
, &hdr
);
2689 replen
= hdr
.replen
; /* get the attribute into args->page */
2690 encode_fs_locations(xdr
, args
->bitmask
, &hdr
);
2692 xdr_inline_pages(&req
->rq_rcv_buf
, replen
<< 2, &args
->page
,
2698 * Encode SECINFO request
2700 static void nfs4_xdr_enc_secinfo(struct rpc_rqst
*req
,
2701 struct xdr_stream
*xdr
,
2702 struct nfs4_secinfo_arg
*args
)
2704 struct compound_hdr hdr
= {
2705 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2708 encode_compound_hdr(xdr
, req
, &hdr
);
2709 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2710 encode_putfh(xdr
, args
->dir_fh
, &hdr
);
2711 encode_secinfo(xdr
, args
->name
, &hdr
);
2715 #if defined(CONFIG_NFS_V4_1)
2717 * BIND_CONN_TO_SESSION request
2719 static void nfs4_xdr_enc_bind_conn_to_session(struct rpc_rqst
*req
,
2720 struct xdr_stream
*xdr
,
2721 struct nfs_client
*clp
)
2723 struct compound_hdr hdr
= {
2724 .minorversion
= clp
->cl_mvops
->minor_version
,
2727 encode_compound_hdr(xdr
, req
, &hdr
);
2728 encode_bind_conn_to_session(xdr
, clp
->cl_session
, &hdr
);
2733 * EXCHANGE_ID request
2735 static void nfs4_xdr_enc_exchange_id(struct rpc_rqst
*req
,
2736 struct xdr_stream
*xdr
,
2737 struct nfs41_exchange_id_args
*args
)
2739 struct compound_hdr hdr
= {
2740 .minorversion
= args
->client
->cl_mvops
->minor_version
,
2743 encode_compound_hdr(xdr
, req
, &hdr
);
2744 encode_exchange_id(xdr
, args
, &hdr
);
2749 * a CREATE_SESSION request
2751 static void nfs4_xdr_enc_create_session(struct rpc_rqst
*req
,
2752 struct xdr_stream
*xdr
,
2753 struct nfs41_create_session_args
*args
)
2755 struct compound_hdr hdr
= {
2756 .minorversion
= args
->client
->cl_mvops
->minor_version
,
2759 encode_compound_hdr(xdr
, req
, &hdr
);
2760 encode_create_session(xdr
, args
, &hdr
);
2765 * a DESTROY_SESSION request
2767 static void nfs4_xdr_enc_destroy_session(struct rpc_rqst
*req
,
2768 struct xdr_stream
*xdr
,
2769 struct nfs4_session
*session
)
2771 struct compound_hdr hdr
= {
2772 .minorversion
= session
->clp
->cl_mvops
->minor_version
,
2775 encode_compound_hdr(xdr
, req
, &hdr
);
2776 encode_destroy_session(xdr
, session
, &hdr
);
2781 * a DESTROY_CLIENTID request
2783 static void nfs4_xdr_enc_destroy_clientid(struct rpc_rqst
*req
,
2784 struct xdr_stream
*xdr
,
2785 struct nfs_client
*clp
)
2787 struct compound_hdr hdr
= {
2788 .minorversion
= clp
->cl_mvops
->minor_version
,
2791 encode_compound_hdr(xdr
, req
, &hdr
);
2792 encode_destroy_clientid(xdr
, clp
->cl_clientid
, &hdr
);
2797 * a SEQUENCE request
2799 static void nfs4_xdr_enc_sequence(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
2800 struct nfs4_sequence_args
*args
)
2802 struct compound_hdr hdr
= {
2803 .minorversion
= nfs4_xdr_minorversion(args
),
2806 encode_compound_hdr(xdr
, req
, &hdr
);
2807 encode_sequence(xdr
, args
, &hdr
);
2812 * a GET_LEASE_TIME request
2814 static void nfs4_xdr_enc_get_lease_time(struct rpc_rqst
*req
,
2815 struct xdr_stream
*xdr
,
2816 struct nfs4_get_lease_time_args
*args
)
2818 struct compound_hdr hdr
= {
2819 .minorversion
= nfs4_xdr_minorversion(&args
->la_seq_args
),
2821 const u32 lease_bitmap
[3] = { FATTR4_WORD0_LEASE_TIME
};
2823 encode_compound_hdr(xdr
, req
, &hdr
);
2824 encode_sequence(xdr
, &args
->la_seq_args
, &hdr
);
2825 encode_putrootfh(xdr
, &hdr
);
2826 encode_fsinfo(xdr
, lease_bitmap
, &hdr
);
2831 * a RECLAIM_COMPLETE request
2833 static void nfs4_xdr_enc_reclaim_complete(struct rpc_rqst
*req
,
2834 struct xdr_stream
*xdr
,
2835 struct nfs41_reclaim_complete_args
*args
)
2837 struct compound_hdr hdr
= {
2838 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
)
2841 encode_compound_hdr(xdr
, req
, &hdr
);
2842 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2843 encode_reclaim_complete(xdr
, args
, &hdr
);
2848 * Encode GETDEVICELIST request
2850 static void nfs4_xdr_enc_getdevicelist(struct rpc_rqst
*req
,
2851 struct xdr_stream
*xdr
,
2852 struct nfs4_getdevicelist_args
*args
)
2854 struct compound_hdr hdr
= {
2855 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2858 encode_compound_hdr(xdr
, req
, &hdr
);
2859 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2860 encode_putfh(xdr
, args
->fh
, &hdr
);
2861 encode_getdevicelist(xdr
, args
, &hdr
);
2866 * Encode GETDEVICEINFO request
2868 static void nfs4_xdr_enc_getdeviceinfo(struct rpc_rqst
*req
,
2869 struct xdr_stream
*xdr
,
2870 struct nfs4_getdeviceinfo_args
*args
)
2872 struct compound_hdr hdr
= {
2873 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2876 encode_compound_hdr(xdr
, req
, &hdr
);
2877 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2878 encode_getdeviceinfo(xdr
, args
, &hdr
);
2880 /* set up reply kvec. Subtract notification bitmap max size (2)
2881 * so that notification bitmap is put in xdr_buf tail */
2882 xdr_inline_pages(&req
->rq_rcv_buf
, (hdr
.replen
- 2) << 2,
2883 args
->pdev
->pages
, args
->pdev
->pgbase
,
2890 * Encode LAYOUTGET request
2892 static void nfs4_xdr_enc_layoutget(struct rpc_rqst
*req
,
2893 struct xdr_stream
*xdr
,
2894 struct nfs4_layoutget_args
*args
)
2896 struct compound_hdr hdr
= {
2897 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2900 encode_compound_hdr(xdr
, req
, &hdr
);
2901 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2902 encode_putfh(xdr
, NFS_FH(args
->inode
), &hdr
);
2903 encode_layoutget(xdr
, args
, &hdr
);
2905 xdr_inline_pages(&req
->rq_rcv_buf
, hdr
.replen
<< 2,
2906 args
->layout
.pages
, 0, args
->layout
.pglen
);
2912 * Encode LAYOUTCOMMIT request
2914 static void nfs4_xdr_enc_layoutcommit(struct rpc_rqst
*req
,
2915 struct xdr_stream
*xdr
,
2916 struct nfs4_layoutcommit_args
*args
)
2918 struct nfs4_layoutcommit_data
*data
=
2919 container_of(args
, struct nfs4_layoutcommit_data
, args
);
2920 struct compound_hdr hdr
= {
2921 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2924 encode_compound_hdr(xdr
, req
, &hdr
);
2925 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2926 encode_putfh(xdr
, NFS_FH(args
->inode
), &hdr
);
2927 encode_layoutcommit(xdr
, data
->args
.inode
, args
, &hdr
);
2928 encode_getfattr(xdr
, args
->bitmask
, &hdr
);
2933 * Encode LAYOUTRETURN request
2935 static void nfs4_xdr_enc_layoutreturn(struct rpc_rqst
*req
,
2936 struct xdr_stream
*xdr
,
2937 struct nfs4_layoutreturn_args
*args
)
2939 struct compound_hdr hdr
= {
2940 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2943 encode_compound_hdr(xdr
, req
, &hdr
);
2944 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2945 encode_putfh(xdr
, NFS_FH(args
->inode
), &hdr
);
2946 encode_layoutreturn(xdr
, args
, &hdr
);
2951 * Encode SECINFO_NO_NAME request
2953 static int nfs4_xdr_enc_secinfo_no_name(struct rpc_rqst
*req
,
2954 struct xdr_stream
*xdr
,
2955 struct nfs41_secinfo_no_name_args
*args
)
2957 struct compound_hdr hdr
= {
2958 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2961 encode_compound_hdr(xdr
, req
, &hdr
);
2962 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2963 encode_putrootfh(xdr
, &hdr
);
2964 encode_secinfo_no_name(xdr
, args
, &hdr
);
2970 * Encode TEST_STATEID request
2972 static void nfs4_xdr_enc_test_stateid(struct rpc_rqst
*req
,
2973 struct xdr_stream
*xdr
,
2974 struct nfs41_test_stateid_args
*args
)
2976 struct compound_hdr hdr
= {
2977 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2980 encode_compound_hdr(xdr
, req
, &hdr
);
2981 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2982 encode_test_stateid(xdr
, args
, &hdr
);
2987 * Encode FREE_STATEID request
2989 static void nfs4_xdr_enc_free_stateid(struct rpc_rqst
*req
,
2990 struct xdr_stream
*xdr
,
2991 struct nfs41_free_stateid_args
*args
)
2993 struct compound_hdr hdr
= {
2994 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
2997 encode_compound_hdr(xdr
, req
, &hdr
);
2998 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
2999 encode_free_stateid(xdr
, args
, &hdr
);
3002 #endif /* CONFIG_NFS_V4_1 */
3004 static void print_overflow_msg(const char *func
, const struct xdr_stream
*xdr
)
3006 dprintk("nfs: %s: prematurely hit end of receive buffer. "
3007 "Remaining buffer length is %tu words.\n",
3008 func
, xdr
->end
- xdr
->p
);
3011 static int decode_opaque_inline(struct xdr_stream
*xdr
, unsigned int *len
, char **string
)
3015 p
= xdr_inline_decode(xdr
, 4);
3018 *len
= be32_to_cpup(p
);
3019 p
= xdr_inline_decode(xdr
, *len
);
3022 *string
= (char *)p
;
3025 print_overflow_msg(__func__
, xdr
);
3029 static int decode_compound_hdr(struct xdr_stream
*xdr
, struct compound_hdr
*hdr
)
3033 p
= xdr_inline_decode(xdr
, 8);
3036 hdr
->status
= be32_to_cpup(p
++);
3037 hdr
->taglen
= be32_to_cpup(p
);
3039 p
= xdr_inline_decode(xdr
, hdr
->taglen
+ 4);
3042 hdr
->tag
= (char *)p
;
3043 p
+= XDR_QUADLEN(hdr
->taglen
);
3044 hdr
->nops
= be32_to_cpup(p
);
3045 if (unlikely(hdr
->nops
< 1))
3046 return nfs4_stat_to_errno(hdr
->status
);
3049 print_overflow_msg(__func__
, xdr
);
3053 static int decode_op_hdr(struct xdr_stream
*xdr
, enum nfs_opnum4 expected
)
3059 p
= xdr_inline_decode(xdr
, 8);
3062 opnum
= be32_to_cpup(p
++);
3063 if (opnum
!= expected
) {
3064 dprintk("nfs: Server returned operation"
3065 " %d but we issued a request for %d\n",
3069 nfserr
= be32_to_cpup(p
);
3070 if (nfserr
!= NFS_OK
)
3071 return nfs4_stat_to_errno(nfserr
);
3074 print_overflow_msg(__func__
, xdr
);
3079 static int decode_ace(struct xdr_stream
*xdr
, void *ace
, struct nfs_client
*clp
)
3082 unsigned int strlen
;
3085 p
= xdr_inline_decode(xdr
, 12);
3087 return decode_opaque_inline(xdr
, &strlen
, &str
);
3088 print_overflow_msg(__func__
, xdr
);
3092 static int decode_attr_bitmap(struct xdr_stream
*xdr
, uint32_t *bitmap
)
3097 p
= xdr_inline_decode(xdr
, 4);
3100 bmlen
= be32_to_cpup(p
);
3102 bitmap
[0] = bitmap
[1] = bitmap
[2] = 0;
3103 p
= xdr_inline_decode(xdr
, (bmlen
<< 2));
3107 bitmap
[0] = be32_to_cpup(p
++);
3109 bitmap
[1] = be32_to_cpup(p
++);
3111 bitmap
[2] = be32_to_cpup(p
);
3116 print_overflow_msg(__func__
, xdr
);
3120 static int decode_attr_length(struct xdr_stream
*xdr
, uint32_t *attrlen
, unsigned int *savep
)
3124 p
= xdr_inline_decode(xdr
, 4);
3127 *attrlen
= be32_to_cpup(p
);
3128 *savep
= xdr_stream_pos(xdr
);
3131 print_overflow_msg(__func__
, xdr
);
3135 static int decode_attr_supported(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *bitmask
)
3137 if (likely(bitmap
[0] & FATTR4_WORD0_SUPPORTED_ATTRS
)) {
3139 ret
= decode_attr_bitmap(xdr
, bitmask
);
3140 if (unlikely(ret
< 0))
3142 bitmap
[0] &= ~FATTR4_WORD0_SUPPORTED_ATTRS
;
3144 bitmask
[0] = bitmask
[1] = bitmask
[2] = 0;
3145 dprintk("%s: bitmask=%08x:%08x:%08x\n", __func__
,
3146 bitmask
[0], bitmask
[1], bitmask
[2]);
3150 static int decode_attr_type(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *type
)
3156 if (unlikely(bitmap
[0] & (FATTR4_WORD0_TYPE
- 1U)))
3158 if (likely(bitmap
[0] & FATTR4_WORD0_TYPE
)) {
3159 p
= xdr_inline_decode(xdr
, 4);
3162 *type
= be32_to_cpup(p
);
3163 if (*type
< NF4REG
|| *type
> NF4NAMEDATTR
) {
3164 dprintk("%s: bad type %d\n", __func__
, *type
);
3167 bitmap
[0] &= ~FATTR4_WORD0_TYPE
;
3168 ret
= NFS_ATTR_FATTR_TYPE
;
3170 dprintk("%s: type=0%o\n", __func__
, nfs_type2fmt
[*type
]);
3173 print_overflow_msg(__func__
, xdr
);
3177 static int decode_attr_fh_expire_type(struct xdr_stream
*xdr
,
3178 uint32_t *bitmap
, uint32_t *type
)
3183 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FH_EXPIRE_TYPE
- 1U)))
3185 if (likely(bitmap
[0] & FATTR4_WORD0_FH_EXPIRE_TYPE
)) {
3186 p
= xdr_inline_decode(xdr
, 4);
3189 *type
= be32_to_cpup(p
);
3190 bitmap
[0] &= ~FATTR4_WORD0_FH_EXPIRE_TYPE
;
3192 dprintk("%s: expire type=0x%x\n", __func__
, *type
);
3195 print_overflow_msg(__func__
, xdr
);
3199 static int decode_attr_change(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *change
)
3205 if (unlikely(bitmap
[0] & (FATTR4_WORD0_CHANGE
- 1U)))
3207 if (likely(bitmap
[0] & FATTR4_WORD0_CHANGE
)) {
3208 p
= xdr_inline_decode(xdr
, 8);
3211 xdr_decode_hyper(p
, change
);
3212 bitmap
[0] &= ~FATTR4_WORD0_CHANGE
;
3213 ret
= NFS_ATTR_FATTR_CHANGE
;
3215 dprintk("%s: change attribute=%Lu\n", __func__
,
3216 (unsigned long long)*change
);
3219 print_overflow_msg(__func__
, xdr
);
3223 static int decode_attr_size(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *size
)
3229 if (unlikely(bitmap
[0] & (FATTR4_WORD0_SIZE
- 1U)))
3231 if (likely(bitmap
[0] & FATTR4_WORD0_SIZE
)) {
3232 p
= xdr_inline_decode(xdr
, 8);
3235 xdr_decode_hyper(p
, size
);
3236 bitmap
[0] &= ~FATTR4_WORD0_SIZE
;
3237 ret
= NFS_ATTR_FATTR_SIZE
;
3239 dprintk("%s: file size=%Lu\n", __func__
, (unsigned long long)*size
);
3242 print_overflow_msg(__func__
, xdr
);
3246 static int decode_attr_link_support(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *res
)
3251 if (unlikely(bitmap
[0] & (FATTR4_WORD0_LINK_SUPPORT
- 1U)))
3253 if (likely(bitmap
[0] & FATTR4_WORD0_LINK_SUPPORT
)) {
3254 p
= xdr_inline_decode(xdr
, 4);
3257 *res
= be32_to_cpup(p
);
3258 bitmap
[0] &= ~FATTR4_WORD0_LINK_SUPPORT
;
3260 dprintk("%s: link support=%s\n", __func__
, *res
== 0 ? "false" : "true");
3263 print_overflow_msg(__func__
, xdr
);
3267 static int decode_attr_symlink_support(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *res
)
3272 if (unlikely(bitmap
[0] & (FATTR4_WORD0_SYMLINK_SUPPORT
- 1U)))
3274 if (likely(bitmap
[0] & FATTR4_WORD0_SYMLINK_SUPPORT
)) {
3275 p
= xdr_inline_decode(xdr
, 4);
3278 *res
= be32_to_cpup(p
);
3279 bitmap
[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT
;
3281 dprintk("%s: symlink support=%s\n", __func__
, *res
== 0 ? "false" : "true");
3284 print_overflow_msg(__func__
, xdr
);
3288 static int decode_attr_fsid(struct xdr_stream
*xdr
, uint32_t *bitmap
, struct nfs_fsid
*fsid
)
3295 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FSID
- 1U)))
3297 if (likely(bitmap
[0] & FATTR4_WORD0_FSID
)) {
3298 p
= xdr_inline_decode(xdr
, 16);
3301 p
= xdr_decode_hyper(p
, &fsid
->major
);
3302 xdr_decode_hyper(p
, &fsid
->minor
);
3303 bitmap
[0] &= ~FATTR4_WORD0_FSID
;
3304 ret
= NFS_ATTR_FATTR_FSID
;
3306 dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __func__
,
3307 (unsigned long long)fsid
->major
,
3308 (unsigned long long)fsid
->minor
);
3311 print_overflow_msg(__func__
, xdr
);
3315 static int decode_attr_lease_time(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *res
)
3320 if (unlikely(bitmap
[0] & (FATTR4_WORD0_LEASE_TIME
- 1U)))
3322 if (likely(bitmap
[0] & FATTR4_WORD0_LEASE_TIME
)) {
3323 p
= xdr_inline_decode(xdr
, 4);
3326 *res
= be32_to_cpup(p
);
3327 bitmap
[0] &= ~FATTR4_WORD0_LEASE_TIME
;
3329 dprintk("%s: file size=%u\n", __func__
, (unsigned int)*res
);
3332 print_overflow_msg(__func__
, xdr
);
3336 static int decode_attr_error(struct xdr_stream
*xdr
, uint32_t *bitmap
, int32_t *res
)
3340 if (unlikely(bitmap
[0] & (FATTR4_WORD0_RDATTR_ERROR
- 1U)))
3342 if (likely(bitmap
[0] & FATTR4_WORD0_RDATTR_ERROR
)) {
3343 p
= xdr_inline_decode(xdr
, 4);
3346 bitmap
[0] &= ~FATTR4_WORD0_RDATTR_ERROR
;
3347 *res
= -be32_to_cpup(p
);
3351 print_overflow_msg(__func__
, xdr
);
3355 static int decode_attr_filehandle(struct xdr_stream
*xdr
, uint32_t *bitmap
, struct nfs_fh
*fh
)
3361 memset(fh
, 0, sizeof(*fh
));
3363 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FILEHANDLE
- 1U)))
3365 if (likely(bitmap
[0] & FATTR4_WORD0_FILEHANDLE
)) {
3366 p
= xdr_inline_decode(xdr
, 4);
3369 len
= be32_to_cpup(p
);
3370 if (len
> NFS4_FHSIZE
)
3372 p
= xdr_inline_decode(xdr
, len
);
3376 memcpy(fh
->data
, p
, len
);
3379 bitmap
[0] &= ~FATTR4_WORD0_FILEHANDLE
;
3383 print_overflow_msg(__func__
, xdr
);
3387 static int decode_attr_aclsupport(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *res
)
3391 *res
= ACL4_SUPPORT_ALLOW_ACL
|ACL4_SUPPORT_DENY_ACL
;
3392 if (unlikely(bitmap
[0] & (FATTR4_WORD0_ACLSUPPORT
- 1U)))
3394 if (likely(bitmap
[0] & FATTR4_WORD0_ACLSUPPORT
)) {
3395 p
= xdr_inline_decode(xdr
, 4);
3398 *res
= be32_to_cpup(p
);
3399 bitmap
[0] &= ~FATTR4_WORD0_ACLSUPPORT
;
3401 dprintk("%s: ACLs supported=%u\n", __func__
, (unsigned int)*res
);
3404 print_overflow_msg(__func__
, xdr
);
3408 static int decode_attr_fileid(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *fileid
)
3414 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FILEID
- 1U)))
3416 if (likely(bitmap
[0] & FATTR4_WORD0_FILEID
)) {
3417 p
= xdr_inline_decode(xdr
, 8);
3420 xdr_decode_hyper(p
, fileid
);
3421 bitmap
[0] &= ~FATTR4_WORD0_FILEID
;
3422 ret
= NFS_ATTR_FATTR_FILEID
;
3424 dprintk("%s: fileid=%Lu\n", __func__
, (unsigned long long)*fileid
);
3427 print_overflow_msg(__func__
, xdr
);
3431 static int decode_attr_mounted_on_fileid(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *fileid
)
3437 if (unlikely(bitmap
[1] & (FATTR4_WORD1_MOUNTED_ON_FILEID
- 1U)))
3439 if (likely(bitmap
[1] & FATTR4_WORD1_MOUNTED_ON_FILEID
)) {
3440 p
= xdr_inline_decode(xdr
, 8);
3443 xdr_decode_hyper(p
, fileid
);
3444 bitmap
[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID
;
3445 ret
= NFS_ATTR_FATTR_MOUNTED_ON_FILEID
;
3447 dprintk("%s: fileid=%Lu\n", __func__
, (unsigned long long)*fileid
);
3450 print_overflow_msg(__func__
, xdr
);
3454 static int decode_attr_files_avail(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
3460 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FILES_AVAIL
- 1U)))
3462 if (likely(bitmap
[0] & FATTR4_WORD0_FILES_AVAIL
)) {
3463 p
= xdr_inline_decode(xdr
, 8);
3466 xdr_decode_hyper(p
, res
);
3467 bitmap
[0] &= ~FATTR4_WORD0_FILES_AVAIL
;
3469 dprintk("%s: files avail=%Lu\n", __func__
, (unsigned long long)*res
);
3472 print_overflow_msg(__func__
, xdr
);
3476 static int decode_attr_files_free(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
3482 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FILES_FREE
- 1U)))
3484 if (likely(bitmap
[0] & FATTR4_WORD0_FILES_FREE
)) {
3485 p
= xdr_inline_decode(xdr
, 8);
3488 xdr_decode_hyper(p
, res
);
3489 bitmap
[0] &= ~FATTR4_WORD0_FILES_FREE
;
3491 dprintk("%s: files free=%Lu\n", __func__
, (unsigned long long)*res
);
3494 print_overflow_msg(__func__
, xdr
);
3498 static int decode_attr_files_total(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
3504 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FILES_TOTAL
- 1U)))
3506 if (likely(bitmap
[0] & FATTR4_WORD0_FILES_TOTAL
)) {
3507 p
= xdr_inline_decode(xdr
, 8);
3510 xdr_decode_hyper(p
, res
);
3511 bitmap
[0] &= ~FATTR4_WORD0_FILES_TOTAL
;
3513 dprintk("%s: files total=%Lu\n", __func__
, (unsigned long long)*res
);
3516 print_overflow_msg(__func__
, xdr
);
3520 static int decode_pathname(struct xdr_stream
*xdr
, struct nfs4_pathname
*path
)
3526 p
= xdr_inline_decode(xdr
, 4);
3529 n
= be32_to_cpup(p
);
3532 dprintk("pathname4: ");
3533 if (n
> NFS4_PATHNAME_MAXCOMPONENTS
) {
3534 dprintk("cannot parse %d components in path\n", n
);
3537 for (path
->ncomponents
= 0; path
->ncomponents
< n
; path
->ncomponents
++) {
3538 struct nfs4_string
*component
= &path
->components
[path
->ncomponents
];
3539 status
= decode_opaque_inline(xdr
, &component
->len
, &component
->data
);
3540 if (unlikely(status
!= 0))
3544 (path
->ncomponents
!= n
? "/ " : ""),
3545 component
->len
, component
->data
);
3550 /* a root pathname is sent as a zero component4 */
3551 path
->ncomponents
= 1;
3552 path
->components
[0].len
=0;
3553 path
->components
[0].data
=NULL
;
3554 dprintk("pathname4: /\n");
3557 dprintk(" status %d", status
);
3561 print_overflow_msg(__func__
, xdr
);
3565 static int decode_attr_fs_locations(struct xdr_stream
*xdr
, uint32_t *bitmap
, struct nfs4_fs_locations
*res
)
3571 if (unlikely(bitmap
[0] & (FATTR4_WORD0_FS_LOCATIONS
-1U)))
3574 if (unlikely(!(bitmap
[0] & FATTR4_WORD0_FS_LOCATIONS
)))
3577 /* Ignore borken servers that return unrequested attrs */
3578 if (unlikely(res
== NULL
))
3580 dprintk("%s: fsroot:\n", __func__
);
3581 status
= decode_pathname(xdr
, &res
->fs_path
);
3582 if (unlikely(status
!= 0))
3584 p
= xdr_inline_decode(xdr
, 4);
3587 n
= be32_to_cpup(p
);
3590 for (res
->nlocations
= 0; res
->nlocations
< n
; res
->nlocations
++) {
3592 struct nfs4_fs_location
*loc
;
3594 if (res
->nlocations
== NFS4_FS_LOCATIONS_MAXENTRIES
)
3596 loc
= &res
->locations
[res
->nlocations
];
3597 p
= xdr_inline_decode(xdr
, 4);
3600 m
= be32_to_cpup(p
);
3602 dprintk("%s: servers:\n", __func__
);
3603 for (loc
->nservers
= 0; loc
->nservers
< m
; loc
->nservers
++) {
3604 struct nfs4_string
*server
;
3606 if (loc
->nservers
== NFS4_FS_LOCATION_MAXSERVERS
) {
3608 dprintk("%s: using first %u of %u servers "
3609 "returned for location %u\n",
3611 NFS4_FS_LOCATION_MAXSERVERS
,
3612 m
, res
->nlocations
);
3613 for (i
= loc
->nservers
; i
< m
; i
++) {
3616 status
= decode_opaque_inline(xdr
, &len
, &data
);
3617 if (unlikely(status
!= 0))
3622 server
= &loc
->servers
[loc
->nservers
];
3623 status
= decode_opaque_inline(xdr
, &server
->len
, &server
->data
);
3624 if (unlikely(status
!= 0))
3626 dprintk("%s ", server
->data
);
3628 status
= decode_pathname(xdr
, &loc
->rootpath
);
3629 if (unlikely(status
!= 0))
3632 if (res
->nlocations
!= 0)
3633 status
= NFS_ATTR_FATTR_V4_LOCATIONS
;
3635 dprintk("%s: fs_locations done, error = %d\n", __func__
, status
);
3638 print_overflow_msg(__func__
, xdr
);
3644 static int decode_attr_maxfilesize(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
3650 if (unlikely(bitmap
[0] & (FATTR4_WORD0_MAXFILESIZE
- 1U)))
3652 if (likely(bitmap
[0] & FATTR4_WORD0_MAXFILESIZE
)) {
3653 p
= xdr_inline_decode(xdr
, 8);
3656 xdr_decode_hyper(p
, res
);
3657 bitmap
[0] &= ~FATTR4_WORD0_MAXFILESIZE
;
3659 dprintk("%s: maxfilesize=%Lu\n", __func__
, (unsigned long long)*res
);
3662 print_overflow_msg(__func__
, xdr
);
3666 static int decode_attr_maxlink(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *maxlink
)
3672 if (unlikely(bitmap
[0] & (FATTR4_WORD0_MAXLINK
- 1U)))
3674 if (likely(bitmap
[0] & FATTR4_WORD0_MAXLINK
)) {
3675 p
= xdr_inline_decode(xdr
, 4);
3678 *maxlink
= be32_to_cpup(p
);
3679 bitmap
[0] &= ~FATTR4_WORD0_MAXLINK
;
3681 dprintk("%s: maxlink=%u\n", __func__
, *maxlink
);
3684 print_overflow_msg(__func__
, xdr
);
3688 static int decode_attr_maxname(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *maxname
)
3694 if (unlikely(bitmap
[0] & (FATTR4_WORD0_MAXNAME
- 1U)))
3696 if (likely(bitmap
[0] & FATTR4_WORD0_MAXNAME
)) {
3697 p
= xdr_inline_decode(xdr
, 4);
3700 *maxname
= be32_to_cpup(p
);
3701 bitmap
[0] &= ~FATTR4_WORD0_MAXNAME
;
3703 dprintk("%s: maxname=%u\n", __func__
, *maxname
);
3706 print_overflow_msg(__func__
, xdr
);
3710 static int decode_attr_maxread(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *res
)
3716 if (unlikely(bitmap
[0] & (FATTR4_WORD0_MAXREAD
- 1U)))
3718 if (likely(bitmap
[0] & FATTR4_WORD0_MAXREAD
)) {
3720 p
= xdr_inline_decode(xdr
, 8);
3723 xdr_decode_hyper(p
, &maxread
);
3724 if (maxread
> 0x7FFFFFFF)
3725 maxread
= 0x7FFFFFFF;
3726 *res
= (uint32_t)maxread
;
3727 bitmap
[0] &= ~FATTR4_WORD0_MAXREAD
;
3729 dprintk("%s: maxread=%lu\n", __func__
, (unsigned long)*res
);
3732 print_overflow_msg(__func__
, xdr
);
3736 static int decode_attr_maxwrite(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *res
)
3742 if (unlikely(bitmap
[0] & (FATTR4_WORD0_MAXWRITE
- 1U)))
3744 if (likely(bitmap
[0] & FATTR4_WORD0_MAXWRITE
)) {
3746 p
= xdr_inline_decode(xdr
, 8);
3749 xdr_decode_hyper(p
, &maxwrite
);
3750 if (maxwrite
> 0x7FFFFFFF)
3751 maxwrite
= 0x7FFFFFFF;
3752 *res
= (uint32_t)maxwrite
;
3753 bitmap
[0] &= ~FATTR4_WORD0_MAXWRITE
;
3755 dprintk("%s: maxwrite=%lu\n", __func__
, (unsigned long)*res
);
3758 print_overflow_msg(__func__
, xdr
);
3762 static int decode_attr_mode(struct xdr_stream
*xdr
, uint32_t *bitmap
, umode_t
*mode
)
3769 if (unlikely(bitmap
[1] & (FATTR4_WORD1_MODE
- 1U)))
3771 if (likely(bitmap
[1] & FATTR4_WORD1_MODE
)) {
3772 p
= xdr_inline_decode(xdr
, 4);
3775 tmp
= be32_to_cpup(p
);
3776 *mode
= tmp
& ~S_IFMT
;
3777 bitmap
[1] &= ~FATTR4_WORD1_MODE
;
3778 ret
= NFS_ATTR_FATTR_MODE
;
3780 dprintk("%s: file mode=0%o\n", __func__
, (unsigned int)*mode
);
3783 print_overflow_msg(__func__
, xdr
);
3787 static int decode_attr_nlink(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint32_t *nlink
)
3793 if (unlikely(bitmap
[1] & (FATTR4_WORD1_NUMLINKS
- 1U)))
3795 if (likely(bitmap
[1] & FATTR4_WORD1_NUMLINKS
)) {
3796 p
= xdr_inline_decode(xdr
, 4);
3799 *nlink
= be32_to_cpup(p
);
3800 bitmap
[1] &= ~FATTR4_WORD1_NUMLINKS
;
3801 ret
= NFS_ATTR_FATTR_NLINK
;
3803 dprintk("%s: nlink=%u\n", __func__
, (unsigned int)*nlink
);
3806 print_overflow_msg(__func__
, xdr
);
3810 static int decode_attr_owner(struct xdr_stream
*xdr
, uint32_t *bitmap
,
3811 const struct nfs_server
*server
, kuid_t
*uid
,
3812 struct nfs4_string
*owner_name
)
3818 *uid
= make_kuid(&init_user_ns
, -2);
3819 if (unlikely(bitmap
[1] & (FATTR4_WORD1_OWNER
- 1U)))
3821 if (likely(bitmap
[1] & FATTR4_WORD1_OWNER
)) {
3822 p
= xdr_inline_decode(xdr
, 4);
3825 len
= be32_to_cpup(p
);
3826 p
= xdr_inline_decode(xdr
, len
);
3829 if (owner_name
!= NULL
) {
3830 owner_name
->data
= kmemdup(p
, len
, GFP_NOWAIT
);
3831 if (owner_name
->data
!= NULL
) {
3832 owner_name
->len
= len
;
3833 ret
= NFS_ATTR_FATTR_OWNER_NAME
;
3835 } else if (len
< XDR_MAX_NETOBJ
) {
3836 if (nfs_map_name_to_uid(server
, (char *)p
, len
, uid
) == 0)
3837 ret
= NFS_ATTR_FATTR_OWNER
;
3839 dprintk("%s: nfs_map_name_to_uid failed!\n",
3842 dprintk("%s: name too long (%u)!\n",
3844 bitmap
[1] &= ~FATTR4_WORD1_OWNER
;
3846 dprintk("%s: uid=%d\n", __func__
, (int)from_kuid(&init_user_ns
, *uid
));
3849 print_overflow_msg(__func__
, xdr
);
3853 static int decode_attr_group(struct xdr_stream
*xdr
, uint32_t *bitmap
,
3854 const struct nfs_server
*server
, kgid_t
*gid
,
3855 struct nfs4_string
*group_name
)
3861 *gid
= make_kgid(&init_user_ns
, -2);
3862 if (unlikely(bitmap
[1] & (FATTR4_WORD1_OWNER_GROUP
- 1U)))
3864 if (likely(bitmap
[1] & FATTR4_WORD1_OWNER_GROUP
)) {
3865 p
= xdr_inline_decode(xdr
, 4);
3868 len
= be32_to_cpup(p
);
3869 p
= xdr_inline_decode(xdr
, len
);
3872 if (group_name
!= NULL
) {
3873 group_name
->data
= kmemdup(p
, len
, GFP_NOWAIT
);
3874 if (group_name
->data
!= NULL
) {
3875 group_name
->len
= len
;
3876 ret
= NFS_ATTR_FATTR_GROUP_NAME
;
3878 } else if (len
< XDR_MAX_NETOBJ
) {
3879 if (nfs_map_group_to_gid(server
, (char *)p
, len
, gid
) == 0)
3880 ret
= NFS_ATTR_FATTR_GROUP
;
3882 dprintk("%s: nfs_map_group_to_gid failed!\n",
3885 dprintk("%s: name too long (%u)!\n",
3887 bitmap
[1] &= ~FATTR4_WORD1_OWNER_GROUP
;
3889 dprintk("%s: gid=%d\n", __func__
, (int)from_kgid(&init_user_ns
, *gid
));
3892 print_overflow_msg(__func__
, xdr
);
3896 static int decode_attr_rdev(struct xdr_stream
*xdr
, uint32_t *bitmap
, dev_t
*rdev
)
3898 uint32_t major
= 0, minor
= 0;
3903 if (unlikely(bitmap
[1] & (FATTR4_WORD1_RAWDEV
- 1U)))
3905 if (likely(bitmap
[1] & FATTR4_WORD1_RAWDEV
)) {
3908 p
= xdr_inline_decode(xdr
, 8);
3911 major
= be32_to_cpup(p
++);
3912 minor
= be32_to_cpup(p
);
3913 tmp
= MKDEV(major
, minor
);
3914 if (MAJOR(tmp
) == major
&& MINOR(tmp
) == minor
)
3916 bitmap
[1] &= ~ FATTR4_WORD1_RAWDEV
;
3917 ret
= NFS_ATTR_FATTR_RDEV
;
3919 dprintk("%s: rdev=(0x%x:0x%x)\n", __func__
, major
, minor
);
3922 print_overflow_msg(__func__
, xdr
);
3926 static int decode_attr_space_avail(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
3932 if (unlikely(bitmap
[1] & (FATTR4_WORD1_SPACE_AVAIL
- 1U)))
3934 if (likely(bitmap
[1] & FATTR4_WORD1_SPACE_AVAIL
)) {
3935 p
= xdr_inline_decode(xdr
, 8);
3938 xdr_decode_hyper(p
, res
);
3939 bitmap
[1] &= ~FATTR4_WORD1_SPACE_AVAIL
;
3941 dprintk("%s: space avail=%Lu\n", __func__
, (unsigned long long)*res
);
3944 print_overflow_msg(__func__
, xdr
);
3948 static int decode_attr_space_free(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
3954 if (unlikely(bitmap
[1] & (FATTR4_WORD1_SPACE_FREE
- 1U)))
3956 if (likely(bitmap
[1] & FATTR4_WORD1_SPACE_FREE
)) {
3957 p
= xdr_inline_decode(xdr
, 8);
3960 xdr_decode_hyper(p
, res
);
3961 bitmap
[1] &= ~FATTR4_WORD1_SPACE_FREE
;
3963 dprintk("%s: space free=%Lu\n", __func__
, (unsigned long long)*res
);
3966 print_overflow_msg(__func__
, xdr
);
3970 static int decode_attr_space_total(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *res
)
3976 if (unlikely(bitmap
[1] & (FATTR4_WORD1_SPACE_TOTAL
- 1U)))
3978 if (likely(bitmap
[1] & FATTR4_WORD1_SPACE_TOTAL
)) {
3979 p
= xdr_inline_decode(xdr
, 8);
3982 xdr_decode_hyper(p
, res
);
3983 bitmap
[1] &= ~FATTR4_WORD1_SPACE_TOTAL
;
3985 dprintk("%s: space total=%Lu\n", __func__
, (unsigned long long)*res
);
3988 print_overflow_msg(__func__
, xdr
);
3992 static int decode_attr_space_used(struct xdr_stream
*xdr
, uint32_t *bitmap
, uint64_t *used
)
3998 if (unlikely(bitmap
[1] & (FATTR4_WORD1_SPACE_USED
- 1U)))
4000 if (likely(bitmap
[1] & FATTR4_WORD1_SPACE_USED
)) {
4001 p
= xdr_inline_decode(xdr
, 8);
4004 xdr_decode_hyper(p
, used
);
4005 bitmap
[1] &= ~FATTR4_WORD1_SPACE_USED
;
4006 ret
= NFS_ATTR_FATTR_SPACE_USED
;
4008 dprintk("%s: space used=%Lu\n", __func__
,
4009 (unsigned long long)*used
);
4012 print_overflow_msg(__func__
, xdr
);
4016 static int decode_attr_time(struct xdr_stream
*xdr
, struct timespec
*time
)
4022 p
= xdr_inline_decode(xdr
, 12);
4025 p
= xdr_decode_hyper(p
, &sec
);
4026 nsec
= be32_to_cpup(p
);
4027 time
->tv_sec
= (time_t)sec
;
4028 time
->tv_nsec
= (long)nsec
;
4031 print_overflow_msg(__func__
, xdr
);
4035 static int decode_attr_time_access(struct xdr_stream
*xdr
, uint32_t *bitmap
, struct timespec
*time
)
4041 if (unlikely(bitmap
[1] & (FATTR4_WORD1_TIME_ACCESS
- 1U)))
4043 if (likely(bitmap
[1] & FATTR4_WORD1_TIME_ACCESS
)) {
4044 status
= decode_attr_time(xdr
, time
);
4046 status
= NFS_ATTR_FATTR_ATIME
;
4047 bitmap
[1] &= ~FATTR4_WORD1_TIME_ACCESS
;
4049 dprintk("%s: atime=%ld\n", __func__
, (long)time
->tv_sec
);
4053 static int decode_attr_time_metadata(struct xdr_stream
*xdr
, uint32_t *bitmap
, struct timespec
*time
)
4059 if (unlikely(bitmap
[1] & (FATTR4_WORD1_TIME_METADATA
- 1U)))
4061 if (likely(bitmap
[1] & FATTR4_WORD1_TIME_METADATA
)) {
4062 status
= decode_attr_time(xdr
, time
);
4064 status
= NFS_ATTR_FATTR_CTIME
;
4065 bitmap
[1] &= ~FATTR4_WORD1_TIME_METADATA
;
4067 dprintk("%s: ctime=%ld\n", __func__
, (long)time
->tv_sec
);
4071 static int decode_attr_time_delta(struct xdr_stream
*xdr
, uint32_t *bitmap
,
4072 struct timespec
*time
)
4078 if (unlikely(bitmap
[1] & (FATTR4_WORD1_TIME_DELTA
- 1U)))
4080 if (likely(bitmap
[1] & FATTR4_WORD1_TIME_DELTA
)) {
4081 status
= decode_attr_time(xdr
, time
);
4082 bitmap
[1] &= ~FATTR4_WORD1_TIME_DELTA
;
4084 dprintk("%s: time_delta=%ld %ld\n", __func__
, (long)time
->tv_sec
,
4085 (long)time
->tv_nsec
);
4089 static int decode_attr_security_label(struct xdr_stream
*xdr
, uint32_t *bitmap
,
4090 struct nfs4_label
*label
)
4098 if (unlikely(bitmap
[2] & (FATTR4_WORD2_SECURITY_LABEL
- 1U)))
4100 if (likely(bitmap
[2] & FATTR4_WORD2_SECURITY_LABEL
)) {
4101 p
= xdr_inline_decode(xdr
, 4);
4104 lfs
= be32_to_cpup(p
++);
4105 p
= xdr_inline_decode(xdr
, 4);
4108 pi
= be32_to_cpup(p
++);
4109 p
= xdr_inline_decode(xdr
, 4);
4112 len
= be32_to_cpup(p
++);
4113 p
= xdr_inline_decode(xdr
, len
);
4116 if (len
< NFS4_MAXLABELLEN
) {
4118 memcpy(label
->label
, p
, len
);
4122 status
= NFS_ATTR_FATTR_V4_SECURITY_LABEL
;
4124 bitmap
[2] &= ~FATTR4_WORD2_SECURITY_LABEL
;
4126 printk(KERN_WARNING
"%s: label too long (%u)!\n",
4129 if (label
&& label
->label
)
4130 dprintk("%s: label=%s, len=%d, PI=%d, LFS=%d\n", __func__
,
4131 (char *)label
->label
, label
->len
, label
->pi
, label
->lfs
);
4135 print_overflow_msg(__func__
, xdr
);
4139 static int decode_attr_time_modify(struct xdr_stream
*xdr
, uint32_t *bitmap
, struct timespec
*time
)
4145 if (unlikely(bitmap
[1] & (FATTR4_WORD1_TIME_MODIFY
- 1U)))
4147 if (likely(bitmap
[1] & FATTR4_WORD1_TIME_MODIFY
)) {
4148 status
= decode_attr_time(xdr
, time
);
4150 status
= NFS_ATTR_FATTR_MTIME
;
4151 bitmap
[1] &= ~FATTR4_WORD1_TIME_MODIFY
;
4153 dprintk("%s: mtime=%ld\n", __func__
, (long)time
->tv_sec
);
4157 static int verify_attr_len(struct xdr_stream
*xdr
, unsigned int savep
, uint32_t attrlen
)
4159 unsigned int attrwords
= XDR_QUADLEN(attrlen
);
4160 unsigned int nwords
= (xdr_stream_pos(xdr
) - savep
) >> 2;
4162 if (unlikely(attrwords
!= nwords
)) {
4163 dprintk("%s: server returned incorrect attribute length: "
4167 (attrwords
< nwords
) ? '<' : '>',
4174 static int decode_change_info(struct xdr_stream
*xdr
, struct nfs4_change_info
*cinfo
)
4178 p
= xdr_inline_decode(xdr
, 20);
4181 cinfo
->atomic
= be32_to_cpup(p
++);
4182 p
= xdr_decode_hyper(p
, &cinfo
->before
);
4183 xdr_decode_hyper(p
, &cinfo
->after
);
4186 print_overflow_msg(__func__
, xdr
);
4190 static int decode_access(struct xdr_stream
*xdr
, u32
*supported
, u32
*access
)
4196 status
= decode_op_hdr(xdr
, OP_ACCESS
);
4199 p
= xdr_inline_decode(xdr
, 8);
4202 supp
= be32_to_cpup(p
++);
4203 acc
= be32_to_cpup(p
);
4208 print_overflow_msg(__func__
, xdr
);
4212 static int decode_opaque_fixed(struct xdr_stream
*xdr
, void *buf
, size_t len
)
4216 p
= xdr_inline_decode(xdr
, len
);
4218 memcpy(buf
, p
, len
);
4221 print_overflow_msg(__func__
, xdr
);
4225 static int decode_stateid(struct xdr_stream
*xdr
, nfs4_stateid
*stateid
)
4227 return decode_opaque_fixed(xdr
, stateid
, NFS4_STATEID_SIZE
);
4230 static int decode_close(struct xdr_stream
*xdr
, struct nfs_closeres
*res
)
4234 status
= decode_op_hdr(xdr
, OP_CLOSE
);
4236 nfs_increment_open_seqid(status
, res
->seqid
);
4238 status
= decode_stateid(xdr
, &res
->stateid
);
4242 static int decode_verifier(struct xdr_stream
*xdr
, void *verifier
)
4244 return decode_opaque_fixed(xdr
, verifier
, NFS4_VERIFIER_SIZE
);
4247 static int decode_write_verifier(struct xdr_stream
*xdr
, struct nfs_write_verifier
*verifier
)
4249 return decode_opaque_fixed(xdr
, verifier
->data
, NFS4_VERIFIER_SIZE
);
4252 static int decode_commit(struct xdr_stream
*xdr
, struct nfs_commitres
*res
)
4256 status
= decode_op_hdr(xdr
, OP_COMMIT
);
4258 status
= decode_write_verifier(xdr
, &res
->verf
->verifier
);
4262 static int decode_create(struct xdr_stream
*xdr
, struct nfs4_change_info
*cinfo
)
4268 status
= decode_op_hdr(xdr
, OP_CREATE
);
4271 if ((status
= decode_change_info(xdr
, cinfo
)))
4273 p
= xdr_inline_decode(xdr
, 4);
4276 bmlen
= be32_to_cpup(p
);
4277 p
= xdr_inline_decode(xdr
, bmlen
<< 2);
4281 print_overflow_msg(__func__
, xdr
);
4285 static int decode_server_caps(struct xdr_stream
*xdr
, struct nfs4_server_caps_res
*res
)
4288 uint32_t attrlen
, bitmap
[3] = {0};
4291 if ((status
= decode_op_hdr(xdr
, OP_GETATTR
)) != 0)
4293 if ((status
= decode_attr_bitmap(xdr
, bitmap
)) != 0)
4295 if ((status
= decode_attr_length(xdr
, &attrlen
, &savep
)) != 0)
4297 if ((status
= decode_attr_supported(xdr
, bitmap
, res
->attr_bitmask
)) != 0)
4299 if ((status
= decode_attr_fh_expire_type(xdr
, bitmap
,
4300 &res
->fh_expire_type
)) != 0)
4302 if ((status
= decode_attr_link_support(xdr
, bitmap
, &res
->has_links
)) != 0)
4304 if ((status
= decode_attr_symlink_support(xdr
, bitmap
, &res
->has_symlinks
)) != 0)
4306 if ((status
= decode_attr_aclsupport(xdr
, bitmap
, &res
->acl_bitmask
)) != 0)
4308 status
= verify_attr_len(xdr
, savep
, attrlen
);
4310 dprintk("%s: xdr returned %d!\n", __func__
, -status
);
4314 static int decode_statfs(struct xdr_stream
*xdr
, struct nfs_fsstat
*fsstat
)
4317 uint32_t attrlen
, bitmap
[3] = {0};
4320 if ((status
= decode_op_hdr(xdr
, OP_GETATTR
)) != 0)
4322 if ((status
= decode_attr_bitmap(xdr
, bitmap
)) != 0)
4324 if ((status
= decode_attr_length(xdr
, &attrlen
, &savep
)) != 0)
4327 if ((status
= decode_attr_files_avail(xdr
, bitmap
, &fsstat
->afiles
)) != 0)
4329 if ((status
= decode_attr_files_free(xdr
, bitmap
, &fsstat
->ffiles
)) != 0)
4331 if ((status
= decode_attr_files_total(xdr
, bitmap
, &fsstat
->tfiles
)) != 0)
4333 if ((status
= decode_attr_space_avail(xdr
, bitmap
, &fsstat
->abytes
)) != 0)
4335 if ((status
= decode_attr_space_free(xdr
, bitmap
, &fsstat
->fbytes
)) != 0)
4337 if ((status
= decode_attr_space_total(xdr
, bitmap
, &fsstat
->tbytes
)) != 0)
4340 status
= verify_attr_len(xdr
, savep
, attrlen
);
4342 dprintk("%s: xdr returned %d!\n", __func__
, -status
);
4346 static int decode_pathconf(struct xdr_stream
*xdr
, struct nfs_pathconf
*pathconf
)
4349 uint32_t attrlen
, bitmap
[3] = {0};
4352 if ((status
= decode_op_hdr(xdr
, OP_GETATTR
)) != 0)
4354 if ((status
= decode_attr_bitmap(xdr
, bitmap
)) != 0)
4356 if ((status
= decode_attr_length(xdr
, &attrlen
, &savep
)) != 0)
4359 if ((status
= decode_attr_maxlink(xdr
, bitmap
, &pathconf
->max_link
)) != 0)
4361 if ((status
= decode_attr_maxname(xdr
, bitmap
, &pathconf
->max_namelen
)) != 0)
4364 status
= verify_attr_len(xdr
, savep
, attrlen
);
4366 dprintk("%s: xdr returned %d!\n", __func__
, -status
);
4370 static int decode_threshold_hint(struct xdr_stream
*xdr
,
4378 if (likely(bitmap
[0] & hint_bit
)) {
4379 p
= xdr_inline_decode(xdr
, 8);
4382 xdr_decode_hyper(p
, res
);
4386 print_overflow_msg(__func__
, xdr
);
4390 static int decode_first_threshold_item4(struct xdr_stream
*xdr
,
4391 struct nfs4_threshold
*res
)
4395 uint32_t bitmap
[3] = {0,}, attrlen
;
4399 p
= xdr_inline_decode(xdr
, 4);
4401 print_overflow_msg(__func__
, xdr
);
4404 res
->l_type
= be32_to_cpup(p
);
4406 /* thi_hintset bitmap */
4407 status
= decode_attr_bitmap(xdr
, bitmap
);
4411 /* thi_hintlist length */
4412 status
= decode_attr_length(xdr
, &attrlen
, &savep
);
4416 status
= decode_threshold_hint(xdr
, bitmap
, &res
->rd_sz
, THRESHOLD_RD
);
4419 status
= decode_threshold_hint(xdr
, bitmap
, &res
->wr_sz
, THRESHOLD_WR
);
4422 status
= decode_threshold_hint(xdr
, bitmap
, &res
->rd_io_sz
,
4426 status
= decode_threshold_hint(xdr
, bitmap
, &res
->wr_io_sz
,
4431 status
= verify_attr_len(xdr
, savep
, attrlen
);
4432 res
->bm
= bitmap
[0];
4434 dprintk("%s bm=0x%x rd_sz=%llu wr_sz=%llu rd_io=%llu wr_io=%llu\n",
4435 __func__
, res
->bm
, res
->rd_sz
, res
->wr_sz
, res
->rd_io_sz
,
4438 dprintk("%s ret=%d!\n", __func__
, status
);
4443 * Thresholds on pNFS direct I/O vrs MDS I/O
4445 static int decode_attr_mdsthreshold(struct xdr_stream
*xdr
,
4447 struct nfs4_threshold
*res
)
4453 if (unlikely(bitmap
[2] & (FATTR4_WORD2_MDSTHRESHOLD
- 1U)))
4455 if (bitmap
[2] & FATTR4_WORD2_MDSTHRESHOLD
) {
4456 /* Did the server return an unrequested attribute? */
4457 if (unlikely(res
== NULL
))
4459 p
= xdr_inline_decode(xdr
, 4);
4462 num
= be32_to_cpup(p
);
4466 printk(KERN_INFO
"%s: Warning: Multiple pNFS layout "
4467 "drivers per filesystem not supported\n",
4470 status
= decode_first_threshold_item4(xdr
, res
);
4471 bitmap
[2] &= ~FATTR4_WORD2_MDSTHRESHOLD
;
4475 print_overflow_msg(__func__
, xdr
);
4479 static int decode_getfattr_attrs(struct xdr_stream
*xdr
, uint32_t *bitmap
,
4480 struct nfs_fattr
*fattr
, struct nfs_fh
*fh
,
4481 struct nfs4_fs_locations
*fs_loc
, struct nfs4_label
*label
,
4482 const struct nfs_server
*server
)
4489 status
= decode_attr_type(xdr
, bitmap
, &type
);
4494 fattr
->mode
|= nfs_type2fmt
[type
];
4495 fattr
->valid
|= status
;
4498 status
= decode_attr_change(xdr
, bitmap
, &fattr
->change_attr
);
4501 fattr
->valid
|= status
;
4503 status
= decode_attr_size(xdr
, bitmap
, &fattr
->size
);
4506 fattr
->valid
|= status
;
4508 status
= decode_attr_fsid(xdr
, bitmap
, &fattr
->fsid
);
4511 fattr
->valid
|= status
;
4514 status
= decode_attr_error(xdr
, bitmap
, &err
);
4518 status
= decode_attr_filehandle(xdr
, bitmap
, fh
);
4522 status
= decode_attr_fileid(xdr
, bitmap
, &fattr
->fileid
);
4525 fattr
->valid
|= status
;
4527 status
= decode_attr_fs_locations(xdr
, bitmap
, fs_loc
);
4530 fattr
->valid
|= status
;
4532 status
= decode_attr_mode(xdr
, bitmap
, &fmode
);
4536 fattr
->mode
|= fmode
;
4537 fattr
->valid
|= status
;
4540 status
= decode_attr_nlink(xdr
, bitmap
, &fattr
->nlink
);
4543 fattr
->valid
|= status
;
4545 status
= decode_attr_owner(xdr
, bitmap
, server
, &fattr
->uid
, fattr
->owner_name
);
4548 fattr
->valid
|= status
;
4550 status
= decode_attr_group(xdr
, bitmap
, server
, &fattr
->gid
, fattr
->group_name
);
4553 fattr
->valid
|= status
;
4555 status
= decode_attr_rdev(xdr
, bitmap
, &fattr
->rdev
);
4558 fattr
->valid
|= status
;
4560 status
= decode_attr_space_used(xdr
, bitmap
, &fattr
->du
.nfs3
.used
);
4563 fattr
->valid
|= status
;
4565 status
= decode_attr_time_access(xdr
, bitmap
, &fattr
->atime
);
4568 fattr
->valid
|= status
;
4570 status
= decode_attr_time_metadata(xdr
, bitmap
, &fattr
->ctime
);
4573 fattr
->valid
|= status
;
4575 status
= decode_attr_time_modify(xdr
, bitmap
, &fattr
->mtime
);
4578 fattr
->valid
|= status
;
4580 status
= decode_attr_mounted_on_fileid(xdr
, bitmap
, &fattr
->mounted_on_fileid
);
4583 fattr
->valid
|= status
;
4585 status
= decode_attr_mdsthreshold(xdr
, bitmap
, fattr
->mdsthreshold
);
4590 status
= decode_attr_security_label(xdr
, bitmap
, label
);
4593 fattr
->valid
|= status
;
4597 dprintk("%s: xdr returned %d\n", __func__
, -status
);
4601 static int decode_getfattr_generic(struct xdr_stream
*xdr
, struct nfs_fattr
*fattr
,
4602 struct nfs_fh
*fh
, struct nfs4_fs_locations
*fs_loc
,
4603 struct nfs4_label
*label
, const struct nfs_server
*server
)
4610 status
= decode_op_hdr(xdr
, OP_GETATTR
);
4614 status
= decode_attr_bitmap(xdr
, bitmap
);
4618 status
= decode_attr_length(xdr
, &attrlen
, &savep
);
4622 status
= decode_getfattr_attrs(xdr
, bitmap
, fattr
, fh
, fs_loc
,
4627 status
= verify_attr_len(xdr
, savep
, attrlen
);
4629 dprintk("%s: xdr returned %d\n", __func__
, -status
);
4633 static int decode_getfattr_label(struct xdr_stream
*xdr
, struct nfs_fattr
*fattr
,
4634 struct nfs4_label
*label
, const struct nfs_server
*server
)
4636 return decode_getfattr_generic(xdr
, fattr
, NULL
, NULL
, label
, server
);
4639 static int decode_getfattr(struct xdr_stream
*xdr
, struct nfs_fattr
*fattr
,
4640 const struct nfs_server
*server
)
4642 return decode_getfattr_generic(xdr
, fattr
, NULL
, NULL
, NULL
, server
);
4646 * Decode potentially multiple layout types. Currently we only support
4647 * one layout driver per file system.
4649 static int decode_first_pnfs_layout_type(struct xdr_stream
*xdr
,
4650 uint32_t *layouttype
)
4655 p
= xdr_inline_decode(xdr
, 4);
4658 num
= be32_to_cpup(p
);
4660 /* pNFS is not supported by the underlying file system */
4666 printk(KERN_INFO
"NFS: %s: Warning: Multiple pNFS layout "
4667 "drivers per filesystem not supported\n", __func__
);
4669 /* Decode and set first layout type, move xdr->p past unused types */
4670 p
= xdr_inline_decode(xdr
, num
* 4);
4673 *layouttype
= be32_to_cpup(p
);
4676 print_overflow_msg(__func__
, xdr
);
4681 * The type of file system exported.
4682 * Note we must ensure that layouttype is set in any non-error case.
4684 static int decode_attr_pnfstype(struct xdr_stream
*xdr
, uint32_t *bitmap
,
4685 uint32_t *layouttype
)
4689 dprintk("%s: bitmap is %x\n", __func__
, bitmap
[1]);
4690 if (unlikely(bitmap
[1] & (FATTR4_WORD1_FS_LAYOUT_TYPES
- 1U)))
4692 if (bitmap
[1] & FATTR4_WORD1_FS_LAYOUT_TYPES
) {
4693 status
= decode_first_pnfs_layout_type(xdr
, layouttype
);
4694 bitmap
[1] &= ~FATTR4_WORD1_FS_LAYOUT_TYPES
;
4701 * The prefered block size for layout directed io
4703 static int decode_attr_layout_blksize(struct xdr_stream
*xdr
, uint32_t *bitmap
,
4708 dprintk("%s: bitmap is %x\n", __func__
, bitmap
[2]);
4710 if (bitmap
[2] & FATTR4_WORD2_LAYOUT_BLKSIZE
) {
4711 p
= xdr_inline_decode(xdr
, 4);
4713 print_overflow_msg(__func__
, xdr
);
4716 *res
= be32_to_cpup(p
);
4717 bitmap
[2] &= ~FATTR4_WORD2_LAYOUT_BLKSIZE
;
4722 static int decode_fsinfo(struct xdr_stream
*xdr
, struct nfs_fsinfo
*fsinfo
)
4725 uint32_t attrlen
, bitmap
[3];
4728 if ((status
= decode_op_hdr(xdr
, OP_GETATTR
)) != 0)
4730 if ((status
= decode_attr_bitmap(xdr
, bitmap
)) != 0)
4732 if ((status
= decode_attr_length(xdr
, &attrlen
, &savep
)) != 0)
4735 fsinfo
->rtmult
= fsinfo
->wtmult
= 512; /* ??? */
4737 if ((status
= decode_attr_lease_time(xdr
, bitmap
, &fsinfo
->lease_time
)) != 0)
4739 if ((status
= decode_attr_maxfilesize(xdr
, bitmap
, &fsinfo
->maxfilesize
)) != 0)
4741 if ((status
= decode_attr_maxread(xdr
, bitmap
, &fsinfo
->rtmax
)) != 0)
4743 fsinfo
->rtpref
= fsinfo
->dtpref
= fsinfo
->rtmax
;
4744 if ((status
= decode_attr_maxwrite(xdr
, bitmap
, &fsinfo
->wtmax
)) != 0)
4746 fsinfo
->wtpref
= fsinfo
->wtmax
;
4747 status
= decode_attr_time_delta(xdr
, bitmap
, &fsinfo
->time_delta
);
4750 status
= decode_attr_pnfstype(xdr
, bitmap
, &fsinfo
->layouttype
);
4753 status
= decode_attr_layout_blksize(xdr
, bitmap
, &fsinfo
->blksize
);
4757 status
= verify_attr_len(xdr
, savep
, attrlen
);
4759 dprintk("%s: xdr returned %d!\n", __func__
, -status
);
4763 static int decode_getfh(struct xdr_stream
*xdr
, struct nfs_fh
*fh
)
4769 /* Zero handle first to allow comparisons */
4770 memset(fh
, 0, sizeof(*fh
));
4772 status
= decode_op_hdr(xdr
, OP_GETFH
);
4776 p
= xdr_inline_decode(xdr
, 4);
4779 len
= be32_to_cpup(p
);
4780 if (len
> NFS4_FHSIZE
)
4783 p
= xdr_inline_decode(xdr
, len
);
4786 memcpy(fh
->data
, p
, len
);
4789 print_overflow_msg(__func__
, xdr
);
4793 static int decode_link(struct xdr_stream
*xdr
, struct nfs4_change_info
*cinfo
)
4797 status
= decode_op_hdr(xdr
, OP_LINK
);
4800 return decode_change_info(xdr
, cinfo
);
4804 * We create the owner, so we know a proper owner.id length is 4.
4806 static int decode_lock_denied (struct xdr_stream
*xdr
, struct file_lock
*fl
)
4808 uint64_t offset
, length
, clientid
;
4810 uint32_t namelen
, type
;
4812 p
= xdr_inline_decode(xdr
, 32); /* read 32 bytes */
4815 p
= xdr_decode_hyper(p
, &offset
); /* read 2 8-byte long words */
4816 p
= xdr_decode_hyper(p
, &length
);
4817 type
= be32_to_cpup(p
++); /* 4 byte read */
4818 if (fl
!= NULL
) { /* manipulate file lock */
4819 fl
->fl_start
= (loff_t
)offset
;
4820 fl
->fl_end
= fl
->fl_start
+ (loff_t
)length
- 1;
4821 if (length
== ~(uint64_t)0)
4822 fl
->fl_end
= OFFSET_MAX
;
4823 fl
->fl_type
= F_WRLCK
;
4825 fl
->fl_type
= F_RDLCK
;
4828 p
= xdr_decode_hyper(p
, &clientid
); /* read 8 bytes */
4829 namelen
= be32_to_cpup(p
); /* read 4 bytes */ /* have read all 32 bytes now */
4830 p
= xdr_inline_decode(xdr
, namelen
); /* variable size field */
4832 return -NFS4ERR_DENIED
;
4834 print_overflow_msg(__func__
, xdr
);
4838 static int decode_lock(struct xdr_stream
*xdr
, struct nfs_lock_res
*res
)
4842 status
= decode_op_hdr(xdr
, OP_LOCK
);
4846 status
= decode_stateid(xdr
, &res
->stateid
);
4847 if (unlikely(status
))
4849 } else if (status
== -NFS4ERR_DENIED
)
4850 status
= decode_lock_denied(xdr
, NULL
);
4851 if (res
->open_seqid
!= NULL
)
4852 nfs_increment_open_seqid(status
, res
->open_seqid
);
4853 nfs_increment_lock_seqid(status
, res
->lock_seqid
);
4858 static int decode_lockt(struct xdr_stream
*xdr
, struct nfs_lockt_res
*res
)
4861 status
= decode_op_hdr(xdr
, OP_LOCKT
);
4862 if (status
== -NFS4ERR_DENIED
)
4863 return decode_lock_denied(xdr
, res
->denied
);
4867 static int decode_locku(struct xdr_stream
*xdr
, struct nfs_locku_res
*res
)
4871 status
= decode_op_hdr(xdr
, OP_LOCKU
);
4873 nfs_increment_lock_seqid(status
, res
->seqid
);
4875 status
= decode_stateid(xdr
, &res
->stateid
);
4879 static int decode_release_lockowner(struct xdr_stream
*xdr
)
4881 return decode_op_hdr(xdr
, OP_RELEASE_LOCKOWNER
);
4884 static int decode_lookup(struct xdr_stream
*xdr
)
4886 return decode_op_hdr(xdr
, OP_LOOKUP
);
4889 /* This is too sick! */
4890 static int decode_space_limit(struct xdr_stream
*xdr
, u64
*maxsize
)
4893 uint32_t limit_type
, nblocks
, blocksize
;
4895 p
= xdr_inline_decode(xdr
, 12);
4898 limit_type
= be32_to_cpup(p
++);
4899 switch (limit_type
) {
4901 xdr_decode_hyper(p
, maxsize
);
4904 nblocks
= be32_to_cpup(p
++);
4905 blocksize
= be32_to_cpup(p
);
4906 *maxsize
= (uint64_t)nblocks
* (uint64_t)blocksize
;
4910 print_overflow_msg(__func__
, xdr
);
4914 static int decode_delegation(struct xdr_stream
*xdr
, struct nfs_openres
*res
)
4917 uint32_t delegation_type
;
4920 p
= xdr_inline_decode(xdr
, 4);
4923 delegation_type
= be32_to_cpup(p
);
4924 if (delegation_type
== NFS4_OPEN_DELEGATE_NONE
) {
4925 res
->delegation_type
= 0;
4928 status
= decode_stateid(xdr
, &res
->delegation
);
4929 if (unlikely(status
))
4931 p
= xdr_inline_decode(xdr
, 4);
4934 res
->do_recall
= be32_to_cpup(p
);
4936 switch (delegation_type
) {
4937 case NFS4_OPEN_DELEGATE_READ
:
4938 res
->delegation_type
= FMODE_READ
;
4940 case NFS4_OPEN_DELEGATE_WRITE
:
4941 res
->delegation_type
= FMODE_WRITE
|FMODE_READ
;
4942 if (decode_space_limit(xdr
, &res
->maxsize
) < 0)
4945 return decode_ace(xdr
, NULL
, res
->server
->nfs_client
);
4947 print_overflow_msg(__func__
, xdr
);
4951 static int decode_open(struct xdr_stream
*xdr
, struct nfs_openres
*res
)
4954 uint32_t savewords
, bmlen
, i
;
4957 status
= decode_op_hdr(xdr
, OP_OPEN
);
4959 nfs_increment_open_seqid(status
, res
->seqid
);
4961 status
= decode_stateid(xdr
, &res
->stateid
);
4962 if (unlikely(status
))
4965 decode_change_info(xdr
, &res
->cinfo
);
4967 p
= xdr_inline_decode(xdr
, 8);
4970 res
->rflags
= be32_to_cpup(p
++);
4971 bmlen
= be32_to_cpup(p
);
4975 p
= xdr_inline_decode(xdr
, bmlen
<< 2);
4978 savewords
= min_t(uint32_t, bmlen
, NFS4_BITMAP_SIZE
);
4979 for (i
= 0; i
< savewords
; ++i
)
4980 res
->attrset
[i
] = be32_to_cpup(p
++);
4981 for (; i
< NFS4_BITMAP_SIZE
; i
++)
4982 res
->attrset
[i
] = 0;
4984 return decode_delegation(xdr
, res
);
4986 dprintk("%s: Bitmap too large! Length = %u\n", __func__
, bmlen
);
4989 print_overflow_msg(__func__
, xdr
);
4993 static int decode_open_confirm(struct xdr_stream
*xdr
, struct nfs_open_confirmres
*res
)
4997 status
= decode_op_hdr(xdr
, OP_OPEN_CONFIRM
);
4999 nfs_increment_open_seqid(status
, res
->seqid
);
5001 status
= decode_stateid(xdr
, &res
->stateid
);
5005 static int decode_open_downgrade(struct xdr_stream
*xdr
, struct nfs_closeres
*res
)
5009 status
= decode_op_hdr(xdr
, OP_OPEN_DOWNGRADE
);
5011 nfs_increment_open_seqid(status
, res
->seqid
);
5013 status
= decode_stateid(xdr
, &res
->stateid
);
5017 static int decode_putfh(struct xdr_stream
*xdr
)
5019 return decode_op_hdr(xdr
, OP_PUTFH
);
5022 static int decode_putrootfh(struct xdr_stream
*xdr
)
5024 return decode_op_hdr(xdr
, OP_PUTROOTFH
);
5027 static int decode_read(struct xdr_stream
*xdr
, struct rpc_rqst
*req
, struct nfs_readres
*res
)
5030 uint32_t count
, eof
, recvd
;
5033 status
= decode_op_hdr(xdr
, OP_READ
);
5036 p
= xdr_inline_decode(xdr
, 8);
5039 eof
= be32_to_cpup(p
++);
5040 count
= be32_to_cpup(p
);
5041 recvd
= xdr_read_pages(xdr
, count
);
5042 if (count
> recvd
) {
5043 dprintk("NFS: server cheating in read reply: "
5044 "count %u > recvd %u\n", count
, recvd
);
5052 print_overflow_msg(__func__
, xdr
);
5056 static int decode_readdir(struct xdr_stream
*xdr
, struct rpc_rqst
*req
, struct nfs4_readdir_res
*readdir
)
5061 status
= decode_op_hdr(xdr
, OP_READDIR
);
5063 status
= decode_verifier(xdr
, readdir
->verifier
.data
);
5064 if (unlikely(status
))
5066 memcpy(verf
, readdir
->verifier
.data
, sizeof(verf
));
5067 dprintk("%s: verifier = %08x:%08x\n",
5068 __func__
, verf
[0], verf
[1]);
5069 return xdr_read_pages(xdr
, xdr
->buf
->page_len
);
5072 static int decode_readlink(struct xdr_stream
*xdr
, struct rpc_rqst
*req
)
5074 struct xdr_buf
*rcvbuf
= &req
->rq_rcv_buf
;
5079 status
= decode_op_hdr(xdr
, OP_READLINK
);
5083 /* Convert length of symlink */
5084 p
= xdr_inline_decode(xdr
, 4);
5087 len
= be32_to_cpup(p
);
5088 if (len
>= rcvbuf
->page_len
|| len
<= 0) {
5089 dprintk("nfs: server returned giant symlink!\n");
5090 return -ENAMETOOLONG
;
5092 recvd
= xdr_read_pages(xdr
, len
);
5094 dprintk("NFS: server cheating in readlink reply: "
5095 "count %u > recvd %u\n", len
, recvd
);
5099 * The XDR encode routine has set things up so that
5100 * the link text will be copied directly into the
5101 * buffer. We just have to do overflow-checking,
5102 * and and null-terminate the text (the VFS expects
5103 * null-termination).
5105 xdr_terminate_string(rcvbuf
, len
);
5108 print_overflow_msg(__func__
, xdr
);
5112 static int decode_remove(struct xdr_stream
*xdr
, struct nfs4_change_info
*cinfo
)
5116 status
= decode_op_hdr(xdr
, OP_REMOVE
);
5119 status
= decode_change_info(xdr
, cinfo
);
5124 static int decode_rename(struct xdr_stream
*xdr
, struct nfs4_change_info
*old_cinfo
,
5125 struct nfs4_change_info
*new_cinfo
)
5129 status
= decode_op_hdr(xdr
, OP_RENAME
);
5132 if ((status
= decode_change_info(xdr
, old_cinfo
)))
5134 status
= decode_change_info(xdr
, new_cinfo
);
5139 static int decode_renew(struct xdr_stream
*xdr
)
5141 return decode_op_hdr(xdr
, OP_RENEW
);
5145 decode_restorefh(struct xdr_stream
*xdr
)
5147 return decode_op_hdr(xdr
, OP_RESTOREFH
);
5150 static int decode_getacl(struct xdr_stream
*xdr
, struct rpc_rqst
*req
,
5151 struct nfs_getaclres
*res
)
5157 unsigned int pg_offset
;
5160 if ((status
= decode_op_hdr(xdr
, OP_GETATTR
)) != 0)
5163 xdr_enter_page(xdr
, xdr
->buf
->page_len
);
5165 /* Calculate the offset of the page data */
5166 pg_offset
= xdr
->buf
->head
[0].iov_len
;
5168 if ((status
= decode_attr_bitmap(xdr
, bitmap
)) != 0)
5170 if ((status
= decode_attr_length(xdr
, &attrlen
, &savep
)) != 0)
5173 if (unlikely(bitmap
[0] & (FATTR4_WORD0_ACL
- 1U)))
5175 if (likely(bitmap
[0] & FATTR4_WORD0_ACL
)) {
5177 /* The bitmap (xdr len + bitmaps) and the attr xdr len words
5178 * are stored with the acl data to handle the problem of
5179 * variable length bitmaps.*/
5180 res
->acl_data_offset
= xdr_stream_pos(xdr
) - pg_offset
;
5181 res
->acl_len
= attrlen
;
5183 /* Check for receive buffer overflow */
5184 if (res
->acl_len
> (xdr
->nwords
<< 2) ||
5185 res
->acl_len
+ res
->acl_data_offset
> xdr
->buf
->page_len
) {
5186 res
->acl_flags
|= NFS4_ACL_TRUNC
;
5187 dprintk("NFS: acl reply: attrlen %u > page_len %u\n",
5188 attrlen
, xdr
->nwords
<< 2);
5191 status
= -EOPNOTSUPP
;
5198 decode_savefh(struct xdr_stream
*xdr
)
5200 return decode_op_hdr(xdr
, OP_SAVEFH
);
5203 static int decode_setattr(struct xdr_stream
*xdr
)
5209 status
= decode_op_hdr(xdr
, OP_SETATTR
);
5212 p
= xdr_inline_decode(xdr
, 4);
5215 bmlen
= be32_to_cpup(p
);
5216 p
= xdr_inline_decode(xdr
, bmlen
<< 2);
5220 print_overflow_msg(__func__
, xdr
);
5224 static int decode_setclientid(struct xdr_stream
*xdr
, struct nfs4_setclientid_res
*res
)
5230 p
= xdr_inline_decode(xdr
, 8);
5233 opnum
= be32_to_cpup(p
++);
5234 if (opnum
!= OP_SETCLIENTID
) {
5235 dprintk("nfs: decode_setclientid: Server returned operation"
5239 nfserr
= be32_to_cpup(p
);
5240 if (nfserr
== NFS_OK
) {
5241 p
= xdr_inline_decode(xdr
, 8 + NFS4_VERIFIER_SIZE
);
5244 p
= xdr_decode_hyper(p
, &res
->clientid
);
5245 memcpy(res
->confirm
.data
, p
, NFS4_VERIFIER_SIZE
);
5246 } else if (nfserr
== NFSERR_CLID_INUSE
) {
5249 /* skip netid string */
5250 p
= xdr_inline_decode(xdr
, 4);
5253 len
= be32_to_cpup(p
);
5254 p
= xdr_inline_decode(xdr
, len
);
5258 /* skip uaddr string */
5259 p
= xdr_inline_decode(xdr
, 4);
5262 len
= be32_to_cpup(p
);
5263 p
= xdr_inline_decode(xdr
, len
);
5266 return -NFSERR_CLID_INUSE
;
5268 return nfs4_stat_to_errno(nfserr
);
5272 print_overflow_msg(__func__
, xdr
);
5276 static int decode_setclientid_confirm(struct xdr_stream
*xdr
)
5278 return decode_op_hdr(xdr
, OP_SETCLIENTID_CONFIRM
);
5281 static int decode_write(struct xdr_stream
*xdr
, struct nfs_writeres
*res
)
5286 status
= decode_op_hdr(xdr
, OP_WRITE
);
5290 p
= xdr_inline_decode(xdr
, 8);
5293 res
->count
= be32_to_cpup(p
++);
5294 res
->verf
->committed
= be32_to_cpup(p
++);
5295 return decode_write_verifier(xdr
, &res
->verf
->verifier
);
5297 print_overflow_msg(__func__
, xdr
);
5301 static int decode_delegreturn(struct xdr_stream
*xdr
)
5303 return decode_op_hdr(xdr
, OP_DELEGRETURN
);
5306 static int decode_secinfo_gss(struct xdr_stream
*xdr
,
5307 struct nfs4_secinfo4
*flavor
)
5312 p
= xdr_inline_decode(xdr
, 4);
5315 oid_len
= be32_to_cpup(p
);
5316 if (oid_len
> GSS_OID_MAX_LEN
)
5319 p
= xdr_inline_decode(xdr
, oid_len
);
5322 memcpy(flavor
->flavor_info
.oid
.data
, p
, oid_len
);
5323 flavor
->flavor_info
.oid
.len
= oid_len
;
5325 p
= xdr_inline_decode(xdr
, 8);
5328 flavor
->flavor_info
.qop
= be32_to_cpup(p
++);
5329 flavor
->flavor_info
.service
= be32_to_cpup(p
);
5334 print_overflow_msg(__func__
, xdr
);
5340 static int decode_secinfo_common(struct xdr_stream
*xdr
, struct nfs4_secinfo_res
*res
)
5342 struct nfs4_secinfo4
*sec_flavor
;
5343 unsigned int i
, num_flavors
;
5347 p
= xdr_inline_decode(xdr
, 4);
5351 res
->flavors
->num_flavors
= 0;
5352 num_flavors
= be32_to_cpup(p
);
5354 for (i
= 0; i
< num_flavors
; i
++) {
5355 sec_flavor
= &res
->flavors
->flavors
[i
];
5356 if ((char *)&sec_flavor
[1] - (char *)res
->flavors
> PAGE_SIZE
)
5359 p
= xdr_inline_decode(xdr
, 4);
5362 sec_flavor
->flavor
= be32_to_cpup(p
);
5364 if (sec_flavor
->flavor
== RPC_AUTH_GSS
) {
5365 status
= decode_secinfo_gss(xdr
, sec_flavor
);
5369 res
->flavors
->num_flavors
++;
5376 print_overflow_msg(__func__
, xdr
);
5380 static int decode_secinfo(struct xdr_stream
*xdr
, struct nfs4_secinfo_res
*res
)
5382 int status
= decode_op_hdr(xdr
, OP_SECINFO
);
5385 return decode_secinfo_common(xdr
, res
);
5388 #if defined(CONFIG_NFS_V4_1)
5389 static int decode_secinfo_no_name(struct xdr_stream
*xdr
, struct nfs4_secinfo_res
*res
)
5391 int status
= decode_op_hdr(xdr
, OP_SECINFO_NO_NAME
);
5394 return decode_secinfo_common(xdr
, res
);
5397 static int decode_exchange_id(struct xdr_stream
*xdr
,
5398 struct nfs41_exchange_id_res
*res
)
5404 uint32_t impl_id_count
;
5406 status
= decode_op_hdr(xdr
, OP_EXCHANGE_ID
);
5410 p
= xdr_inline_decode(xdr
, 8);
5413 xdr_decode_hyper(p
, &res
->clientid
);
5414 p
= xdr_inline_decode(xdr
, 12);
5417 res
->seqid
= be32_to_cpup(p
++);
5418 res
->flags
= be32_to_cpup(p
++);
5420 /* We ask for SP4_NONE */
5421 dummy
= be32_to_cpup(p
);
5422 if (dummy
!= SP4_NONE
)
5425 /* server_owner4.so_minor_id */
5426 p
= xdr_inline_decode(xdr
, 8);
5429 p
= xdr_decode_hyper(p
, &res
->server_owner
->minor_id
);
5431 /* server_owner4.so_major_id */
5432 status
= decode_opaque_inline(xdr
, &dummy
, &dummy_str
);
5433 if (unlikely(status
))
5435 if (unlikely(dummy
> NFS4_OPAQUE_LIMIT
))
5437 memcpy(res
->server_owner
->major_id
, dummy_str
, dummy
);
5438 res
->server_owner
->major_id_sz
= dummy
;
5441 status
= decode_opaque_inline(xdr
, &dummy
, &dummy_str
);
5442 if (unlikely(status
))
5444 if (unlikely(dummy
> NFS4_OPAQUE_LIMIT
))
5446 memcpy(res
->server_scope
->server_scope
, dummy_str
, dummy
);
5447 res
->server_scope
->server_scope_sz
= dummy
;
5449 /* Implementation Id */
5450 p
= xdr_inline_decode(xdr
, 4);
5453 impl_id_count
= be32_to_cpup(p
++);
5455 if (impl_id_count
) {
5457 status
= decode_opaque_inline(xdr
, &dummy
, &dummy_str
);
5458 if (unlikely(status
))
5460 if (unlikely(dummy
> NFS4_OPAQUE_LIMIT
))
5462 memcpy(res
->impl_id
->domain
, dummy_str
, dummy
);
5465 status
= decode_opaque_inline(xdr
, &dummy
, &dummy_str
);
5466 if (unlikely(status
))
5468 if (unlikely(dummy
> NFS4_OPAQUE_LIMIT
))
5470 memcpy(res
->impl_id
->name
, dummy_str
, dummy
);
5473 p
= xdr_inline_decode(xdr
, 12);
5476 p
= xdr_decode_hyper(p
, &res
->impl_id
->date
.seconds
);
5477 res
->impl_id
->date
.nseconds
= be32_to_cpup(p
);
5479 /* if there's more than one entry, ignore the rest */
5483 print_overflow_msg(__func__
, xdr
);
5487 static int decode_chan_attrs(struct xdr_stream
*xdr
,
5488 struct nfs4_channel_attrs
*attrs
)
5493 p
= xdr_inline_decode(xdr
, 28);
5496 val
= be32_to_cpup(p
++); /* headerpadsz */
5498 return -EINVAL
; /* no support for header padding yet */
5499 attrs
->max_rqst_sz
= be32_to_cpup(p
++);
5500 attrs
->max_resp_sz
= be32_to_cpup(p
++);
5501 attrs
->max_resp_sz_cached
= be32_to_cpup(p
++);
5502 attrs
->max_ops
= be32_to_cpup(p
++);
5503 attrs
->max_reqs
= be32_to_cpup(p
++);
5504 nr_attrs
= be32_to_cpup(p
);
5505 if (unlikely(nr_attrs
> 1)) {
5506 printk(KERN_WARNING
"NFS: %s: Invalid rdma channel attrs "
5507 "count %u\n", __func__
, nr_attrs
);
5510 if (nr_attrs
== 1) {
5511 p
= xdr_inline_decode(xdr
, 4); /* skip rdma_attrs */
5517 print_overflow_msg(__func__
, xdr
);
5521 static int decode_sessionid(struct xdr_stream
*xdr
, struct nfs4_sessionid
*sid
)
5523 return decode_opaque_fixed(xdr
, sid
->data
, NFS4_MAX_SESSIONID_LEN
);
5526 static int decode_bind_conn_to_session(struct xdr_stream
*xdr
,
5527 struct nfs41_bind_conn_to_session_res
*res
)
5532 status
= decode_op_hdr(xdr
, OP_BIND_CONN_TO_SESSION
);
5534 status
= decode_sessionid(xdr
, &res
->session
->sess_id
);
5535 if (unlikely(status
))
5538 /* dir flags, rdma mode bool */
5539 p
= xdr_inline_decode(xdr
, 8);
5543 res
->dir
= be32_to_cpup(p
++);
5544 if (res
->dir
== 0 || res
->dir
> NFS4_CDFS4_BOTH
)
5546 if (be32_to_cpup(p
) == 0)
5547 res
->use_conn_in_rdma_mode
= false;
5549 res
->use_conn_in_rdma_mode
= true;
5553 print_overflow_msg(__func__
, xdr
);
5557 static int decode_create_session(struct xdr_stream
*xdr
,
5558 struct nfs41_create_session_res
*res
)
5562 struct nfs_client
*clp
= res
->client
;
5563 struct nfs4_session
*session
= clp
->cl_session
;
5565 status
= decode_op_hdr(xdr
, OP_CREATE_SESSION
);
5567 status
= decode_sessionid(xdr
, &session
->sess_id
);
5568 if (unlikely(status
))
5572 p
= xdr_inline_decode(xdr
, 8);
5575 clp
->cl_seqid
= be32_to_cpup(p
++);
5576 session
->flags
= be32_to_cpup(p
);
5578 /* Channel attributes */
5579 status
= decode_chan_attrs(xdr
, &session
->fc_attrs
);
5581 status
= decode_chan_attrs(xdr
, &session
->bc_attrs
);
5584 print_overflow_msg(__func__
, xdr
);
5588 static int decode_destroy_session(struct xdr_stream
*xdr
, void *dummy
)
5590 return decode_op_hdr(xdr
, OP_DESTROY_SESSION
);
5593 static int decode_destroy_clientid(struct xdr_stream
*xdr
, void *dummy
)
5595 return decode_op_hdr(xdr
, OP_DESTROY_CLIENTID
);
5598 static int decode_reclaim_complete(struct xdr_stream
*xdr
, void *dummy
)
5600 return decode_op_hdr(xdr
, OP_RECLAIM_COMPLETE
);
5602 #endif /* CONFIG_NFS_V4_1 */
5604 static int decode_sequence(struct xdr_stream
*xdr
,
5605 struct nfs4_sequence_res
*res
,
5606 struct rpc_rqst
*rqstp
)
5608 #if defined(CONFIG_NFS_V4_1)
5609 struct nfs4_session
*session
;
5610 struct nfs4_sessionid id
;
5615 if (res
->sr_slot
== NULL
)
5618 status
= decode_op_hdr(xdr
, OP_SEQUENCE
);
5620 status
= decode_sessionid(xdr
, &id
);
5621 if (unlikely(status
))
5625 * If the server returns different values for sessionID, slotID or
5626 * sequence number, the server is looney tunes.
5628 status
= -EREMOTEIO
;
5629 session
= res
->sr_slot
->table
->session
;
5631 if (memcmp(id
.data
, session
->sess_id
.data
,
5632 NFS4_MAX_SESSIONID_LEN
)) {
5633 dprintk("%s Invalid session id\n", __func__
);
5637 p
= xdr_inline_decode(xdr
, 20);
5642 dummy
= be32_to_cpup(p
++);
5643 if (dummy
!= res
->sr_slot
->seq_nr
) {
5644 dprintk("%s Invalid sequence number\n", __func__
);
5648 dummy
= be32_to_cpup(p
++);
5649 if (dummy
!= res
->sr_slot
->slot_nr
) {
5650 dprintk("%s Invalid slot id\n", __func__
);
5653 /* highest slot id */
5654 res
->sr_highest_slotid
= be32_to_cpup(p
++);
5655 /* target highest slot id */
5656 res
->sr_target_highest_slotid
= be32_to_cpup(p
++);
5658 res
->sr_status_flags
= be32_to_cpup(p
);
5661 res
->sr_status
= status
;
5664 print_overflow_msg(__func__
, xdr
);
5667 #else /* CONFIG_NFS_V4_1 */
5669 #endif /* CONFIG_NFS_V4_1 */
5672 #if defined(CONFIG_NFS_V4_1)
5674 * TODO: Need to handle case when EOF != true;
5676 static int decode_getdevicelist(struct xdr_stream
*xdr
,
5677 struct pnfs_devicelist
*res
)
5681 nfs4_verifier verftemp
;
5683 status
= decode_op_hdr(xdr
, OP_GETDEVICELIST
);
5687 p
= xdr_inline_decode(xdr
, 8 + 8 + 4);
5691 /* TODO: Skip cookie for now */
5695 p
= xdr_decode_opaque_fixed(p
, verftemp
.data
, NFS4_VERIFIER_SIZE
);
5697 res
->num_devs
= be32_to_cpup(p
);
5699 dprintk("%s: num_dev %d\n", __func__
, res
->num_devs
);
5701 if (res
->num_devs
> NFS4_PNFS_GETDEVLIST_MAXNUM
) {
5702 printk(KERN_ERR
"NFS: %s too many result dev_num %u\n",
5703 __func__
, res
->num_devs
);
5707 p
= xdr_inline_decode(xdr
,
5708 res
->num_devs
* NFS4_DEVICEID4_SIZE
+ 4);
5711 for (i
= 0; i
< res
->num_devs
; i
++)
5712 p
= xdr_decode_opaque_fixed(p
, res
->dev_id
[i
].data
,
5713 NFS4_DEVICEID4_SIZE
);
5714 res
->eof
= be32_to_cpup(p
);
5717 print_overflow_msg(__func__
, xdr
);
5721 static int decode_getdeviceinfo(struct xdr_stream
*xdr
,
5722 struct pnfs_device
*pdev
)
5728 status
= decode_op_hdr(xdr
, OP_GETDEVICEINFO
);
5730 if (status
== -ETOOSMALL
) {
5731 p
= xdr_inline_decode(xdr
, 4);
5734 pdev
->mincount
= be32_to_cpup(p
);
5735 dprintk("%s: Min count too small. mincnt = %u\n",
5736 __func__
, pdev
->mincount
);
5741 p
= xdr_inline_decode(xdr
, 8);
5744 type
= be32_to_cpup(p
++);
5745 if (type
!= pdev
->layout_type
) {
5746 dprintk("%s: layout mismatch req: %u pdev: %u\n",
5747 __func__
, pdev
->layout_type
, type
);
5751 * Get the length of the opaque device_addr4. xdr_read_pages places
5752 * the opaque device_addr4 in the xdr_buf->pages (pnfs_device->pages)
5753 * and places the remaining xdr data in xdr_buf->tail
5755 pdev
->mincount
= be32_to_cpup(p
);
5756 if (xdr_read_pages(xdr
, pdev
->mincount
) != pdev
->mincount
)
5759 /* Parse notification bitmap, verifying that it is zero. */
5760 p
= xdr_inline_decode(xdr
, 4);
5763 len
= be32_to_cpup(p
);
5767 p
= xdr_inline_decode(xdr
, 4 * len
);
5770 for (i
= 0; i
< len
; i
++, p
++) {
5771 if (be32_to_cpup(p
)) {
5772 dprintk("%s: notifications not supported\n",
5780 print_overflow_msg(__func__
, xdr
);
5784 static int decode_layoutget(struct xdr_stream
*xdr
, struct rpc_rqst
*req
,
5785 struct nfs4_layoutget_res
*res
)
5792 status
= decode_op_hdr(xdr
, OP_LAYOUTGET
);
5795 p
= xdr_inline_decode(xdr
, 4);
5798 res
->return_on_close
= be32_to_cpup(p
);
5799 decode_stateid(xdr
, &res
->stateid
);
5800 p
= xdr_inline_decode(xdr
, 4);
5803 layout_count
= be32_to_cpup(p
);
5804 if (!layout_count
) {
5805 dprintk("%s: server responded with empty layout array\n",
5810 p
= xdr_inline_decode(xdr
, 28);
5813 p
= xdr_decode_hyper(p
, &res
->range
.offset
);
5814 p
= xdr_decode_hyper(p
, &res
->range
.length
);
5815 res
->range
.iomode
= be32_to_cpup(p
++);
5816 res
->type
= be32_to_cpup(p
++);
5817 res
->layoutp
->len
= be32_to_cpup(p
);
5819 dprintk("%s roff:%lu rlen:%lu riomode:%d, lo_type:0x%x, lo.len:%d\n",
5821 (unsigned long)res
->range
.offset
,
5822 (unsigned long)res
->range
.length
,
5827 recvd
= xdr_read_pages(xdr
, res
->layoutp
->len
);
5828 if (res
->layoutp
->len
> recvd
) {
5829 dprintk("NFS: server cheating in layoutget reply: "
5830 "layout len %u > recvd %u\n",
5831 res
->layoutp
->len
, recvd
);
5835 if (layout_count
> 1) {
5836 /* We only handle a length one array at the moment. Any
5837 * further entries are just ignored. Note that this means
5838 * the client may see a response that is less than the
5839 * minimum it requested.
5841 dprintk("%s: server responded with %d layouts, dropping tail\n",
5842 __func__
, layout_count
);
5847 print_overflow_msg(__func__
, xdr
);
5851 static int decode_layoutreturn(struct xdr_stream
*xdr
,
5852 struct nfs4_layoutreturn_res
*res
)
5857 status
= decode_op_hdr(xdr
, OP_LAYOUTRETURN
);
5860 p
= xdr_inline_decode(xdr
, 4);
5863 res
->lrs_present
= be32_to_cpup(p
);
5864 if (res
->lrs_present
)
5865 status
= decode_stateid(xdr
, &res
->stateid
);
5868 print_overflow_msg(__func__
, xdr
);
5872 static int decode_layoutcommit(struct xdr_stream
*xdr
,
5873 struct rpc_rqst
*req
,
5874 struct nfs4_layoutcommit_res
*res
)
5880 status
= decode_op_hdr(xdr
, OP_LAYOUTCOMMIT
);
5881 res
->status
= status
;
5885 p
= xdr_inline_decode(xdr
, 4);
5888 sizechanged
= be32_to_cpup(p
);
5891 /* throw away new size */
5892 p
= xdr_inline_decode(xdr
, 8);
5898 print_overflow_msg(__func__
, xdr
);
5902 static int decode_test_stateid(struct xdr_stream
*xdr
,
5903 struct nfs41_test_stateid_res
*res
)
5909 status
= decode_op_hdr(xdr
, OP_TEST_STATEID
);
5913 p
= xdr_inline_decode(xdr
, 4);
5916 num_res
= be32_to_cpup(p
++);
5920 p
= xdr_inline_decode(xdr
, 4);
5923 res
->status
= be32_to_cpup(p
++);
5927 print_overflow_msg(__func__
, xdr
);
5932 static int decode_free_stateid(struct xdr_stream
*xdr
,
5933 struct nfs41_free_stateid_res
*res
)
5938 status
= decode_op_hdr(xdr
, OP_FREE_STATEID
);
5942 p
= xdr_inline_decode(xdr
, 4);
5945 res
->status
= be32_to_cpup(p
++);
5948 print_overflow_msg(__func__
, xdr
);
5951 #endif /* CONFIG_NFS_V4_1 */
5954 * END OF "GENERIC" DECODE ROUTINES.
5958 * Decode OPEN_DOWNGRADE response
5960 static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst
*rqstp
,
5961 struct xdr_stream
*xdr
,
5962 struct nfs_closeres
*res
)
5964 struct compound_hdr hdr
;
5967 status
= decode_compound_hdr(xdr
, &hdr
);
5970 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
5973 status
= decode_putfh(xdr
);
5976 status
= decode_open_downgrade(xdr
, res
);
5979 decode_getfattr(xdr
, res
->fattr
, res
->server
);
5985 * Decode ACCESS response
5987 static int nfs4_xdr_dec_access(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
5988 struct nfs4_accessres
*res
)
5990 struct compound_hdr hdr
;
5993 status
= decode_compound_hdr(xdr
, &hdr
);
5996 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
5999 status
= decode_putfh(xdr
);
6002 status
= decode_access(xdr
, &res
->supported
, &res
->access
);
6005 decode_getfattr(xdr
, res
->fattr
, res
->server
);
6011 * Decode LOOKUP response
6013 static int nfs4_xdr_dec_lookup(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6014 struct nfs4_lookup_res
*res
)
6016 struct compound_hdr hdr
;
6019 status
= decode_compound_hdr(xdr
, &hdr
);
6022 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6025 status
= decode_putfh(xdr
);
6028 status
= decode_lookup(xdr
);
6031 status
= decode_getfh(xdr
, res
->fh
);
6034 status
= decode_getfattr_label(xdr
, res
->fattr
, res
->label
, res
->server
);
6040 * Decode LOOKUP_ROOT response
6042 static int nfs4_xdr_dec_lookup_root(struct rpc_rqst
*rqstp
,
6043 struct xdr_stream
*xdr
,
6044 struct nfs4_lookup_res
*res
)
6046 struct compound_hdr hdr
;
6049 status
= decode_compound_hdr(xdr
, &hdr
);
6052 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6055 status
= decode_putrootfh(xdr
);
6058 status
= decode_getfh(xdr
, res
->fh
);
6060 status
= decode_getfattr_label(xdr
, res
->fattr
,
6061 res
->label
, res
->server
);
6067 * Decode REMOVE response
6069 static int nfs4_xdr_dec_remove(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6070 struct nfs_removeres
*res
)
6072 struct compound_hdr hdr
;
6075 status
= decode_compound_hdr(xdr
, &hdr
);
6078 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6081 status
= decode_putfh(xdr
);
6084 status
= decode_remove(xdr
, &res
->cinfo
);
6090 * Decode RENAME response
6092 static int nfs4_xdr_dec_rename(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6093 struct nfs_renameres
*res
)
6095 struct compound_hdr hdr
;
6098 status
= decode_compound_hdr(xdr
, &hdr
);
6101 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6104 status
= decode_putfh(xdr
);
6107 status
= decode_savefh(xdr
);
6110 status
= decode_putfh(xdr
);
6113 status
= decode_rename(xdr
, &res
->old_cinfo
, &res
->new_cinfo
);
6119 * Decode LINK response
6121 static int nfs4_xdr_dec_link(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6122 struct nfs4_link_res
*res
)
6124 struct compound_hdr hdr
;
6127 status
= decode_compound_hdr(xdr
, &hdr
);
6130 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6133 status
= decode_putfh(xdr
);
6136 status
= decode_savefh(xdr
);
6139 status
= decode_putfh(xdr
);
6142 status
= decode_link(xdr
, &res
->cinfo
);
6146 * Note order: OP_LINK leaves the directory as the current
6149 status
= decode_restorefh(xdr
);
6152 decode_getfattr_label(xdr
, res
->fattr
, res
->label
, res
->server
);
6158 * Decode CREATE response
6160 static int nfs4_xdr_dec_create(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6161 struct nfs4_create_res
*res
)
6163 struct compound_hdr hdr
;
6166 status
= decode_compound_hdr(xdr
, &hdr
);
6169 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6172 status
= decode_putfh(xdr
);
6175 status
= decode_create(xdr
, &res
->dir_cinfo
);
6178 status
= decode_getfh(xdr
, res
->fh
);
6181 decode_getfattr_label(xdr
, res
->fattr
, res
->label
, res
->server
);
6187 * Decode SYMLINK response
6189 static int nfs4_xdr_dec_symlink(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6190 struct nfs4_create_res
*res
)
6192 return nfs4_xdr_dec_create(rqstp
, xdr
, res
);
6196 * Decode GETATTR response
6198 static int nfs4_xdr_dec_getattr(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6199 struct nfs4_getattr_res
*res
)
6201 struct compound_hdr hdr
;
6204 status
= decode_compound_hdr(xdr
, &hdr
);
6207 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6210 status
= decode_putfh(xdr
);
6213 status
= decode_getfattr_label(xdr
, res
->fattr
, res
->label
, res
->server
);
6219 * Encode an SETACL request
6221 static void nfs4_xdr_enc_setacl(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
6222 struct nfs_setaclargs
*args
)
6224 struct compound_hdr hdr
= {
6225 .minorversion
= nfs4_xdr_minorversion(&args
->seq_args
),
6228 encode_compound_hdr(xdr
, req
, &hdr
);
6229 encode_sequence(xdr
, &args
->seq_args
, &hdr
);
6230 encode_putfh(xdr
, args
->fh
, &hdr
);
6231 encode_setacl(xdr
, args
, &hdr
);
6236 * Decode SETACL response
6239 nfs4_xdr_dec_setacl(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6240 struct nfs_setaclres
*res
)
6242 struct compound_hdr hdr
;
6245 status
= decode_compound_hdr(xdr
, &hdr
);
6248 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6251 status
= decode_putfh(xdr
);
6254 status
= decode_setattr(xdr
);
6260 * Decode GETACL response
6263 nfs4_xdr_dec_getacl(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6264 struct nfs_getaclres
*res
)
6266 struct compound_hdr hdr
;
6269 if (res
->acl_scratch
!= NULL
) {
6270 void *p
= page_address(res
->acl_scratch
);
6271 xdr_set_scratch_buffer(xdr
, p
, PAGE_SIZE
);
6273 status
= decode_compound_hdr(xdr
, &hdr
);
6276 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6279 status
= decode_putfh(xdr
);
6282 status
= decode_getacl(xdr
, rqstp
, res
);
6289 * Decode CLOSE response
6291 static int nfs4_xdr_dec_close(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6292 struct nfs_closeres
*res
)
6294 struct compound_hdr hdr
;
6297 status
= decode_compound_hdr(xdr
, &hdr
);
6300 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6303 status
= decode_putfh(xdr
);
6306 status
= decode_close(xdr
, res
);
6310 * Note: Server may do delete on close for this file
6311 * in which case the getattr call will fail with
6312 * an ESTALE error. Shouldn't be a problem,
6313 * though, since fattr->valid will remain unset.
6315 decode_getfattr(xdr
, res
->fattr
, res
->server
);
6321 * Decode OPEN response
6323 static int nfs4_xdr_dec_open(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6324 struct nfs_openres
*res
)
6326 struct compound_hdr hdr
;
6329 status
= decode_compound_hdr(xdr
, &hdr
);
6332 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6335 status
= decode_putfh(xdr
);
6338 status
= decode_open(xdr
, res
);
6341 status
= decode_getfh(xdr
, &res
->fh
);
6344 if (res
->access_request
)
6345 decode_access(xdr
, &res
->access_supported
, &res
->access_result
);
6346 decode_getfattr_label(xdr
, res
->f_attr
, res
->f_label
, res
->server
);
6352 * Decode OPEN_CONFIRM response
6354 static int nfs4_xdr_dec_open_confirm(struct rpc_rqst
*rqstp
,
6355 struct xdr_stream
*xdr
,
6356 struct nfs_open_confirmres
*res
)
6358 struct compound_hdr hdr
;
6361 status
= decode_compound_hdr(xdr
, &hdr
);
6364 status
= decode_putfh(xdr
);
6367 status
= decode_open_confirm(xdr
, res
);
6373 * Decode OPEN response
6375 static int nfs4_xdr_dec_open_noattr(struct rpc_rqst
*rqstp
,
6376 struct xdr_stream
*xdr
,
6377 struct nfs_openres
*res
)
6379 struct compound_hdr hdr
;
6382 status
= decode_compound_hdr(xdr
, &hdr
);
6385 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6388 status
= decode_putfh(xdr
);
6391 status
= decode_open(xdr
, res
);
6394 if (res
->access_request
)
6395 decode_access(xdr
, &res
->access_supported
, &res
->access_result
);
6396 decode_getfattr(xdr
, res
->f_attr
, res
->server
);
6402 * Decode SETATTR response
6404 static int nfs4_xdr_dec_setattr(struct rpc_rqst
*rqstp
,
6405 struct xdr_stream
*xdr
,
6406 struct nfs_setattrres
*res
)
6408 struct compound_hdr hdr
;
6411 status
= decode_compound_hdr(xdr
, &hdr
);
6414 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6417 status
= decode_putfh(xdr
);
6420 status
= decode_setattr(xdr
);
6423 decode_getfattr_label(xdr
, res
->fattr
, res
->label
, res
->server
);
6429 * Decode LOCK response
6431 static int nfs4_xdr_dec_lock(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6432 struct nfs_lock_res
*res
)
6434 struct compound_hdr hdr
;
6437 status
= decode_compound_hdr(xdr
, &hdr
);
6440 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6443 status
= decode_putfh(xdr
);
6446 status
= decode_lock(xdr
, res
);
6452 * Decode LOCKT response
6454 static int nfs4_xdr_dec_lockt(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6455 struct nfs_lockt_res
*res
)
6457 struct compound_hdr hdr
;
6460 status
= decode_compound_hdr(xdr
, &hdr
);
6463 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6466 status
= decode_putfh(xdr
);
6469 status
= decode_lockt(xdr
, res
);
6475 * Decode LOCKU response
6477 static int nfs4_xdr_dec_locku(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6478 struct nfs_locku_res
*res
)
6480 struct compound_hdr hdr
;
6483 status
= decode_compound_hdr(xdr
, &hdr
);
6486 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6489 status
= decode_putfh(xdr
);
6492 status
= decode_locku(xdr
, res
);
6497 static int nfs4_xdr_dec_release_lockowner(struct rpc_rqst
*rqstp
,
6498 struct xdr_stream
*xdr
, void *dummy
)
6500 struct compound_hdr hdr
;
6503 status
= decode_compound_hdr(xdr
, &hdr
);
6505 status
= decode_release_lockowner(xdr
);
6510 * Decode READLINK response
6512 static int nfs4_xdr_dec_readlink(struct rpc_rqst
*rqstp
,
6513 struct xdr_stream
*xdr
,
6514 struct nfs4_readlink_res
*res
)
6516 struct compound_hdr hdr
;
6519 status
= decode_compound_hdr(xdr
, &hdr
);
6522 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6525 status
= decode_putfh(xdr
);
6528 status
= decode_readlink(xdr
, rqstp
);
6534 * Decode READDIR response
6536 static int nfs4_xdr_dec_readdir(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6537 struct nfs4_readdir_res
*res
)
6539 struct compound_hdr hdr
;
6542 status
= decode_compound_hdr(xdr
, &hdr
);
6545 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6548 status
= decode_putfh(xdr
);
6551 status
= decode_readdir(xdr
, rqstp
, res
);
6557 * Decode Read response
6559 static int nfs4_xdr_dec_read(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6560 struct nfs_readres
*res
)
6562 struct compound_hdr hdr
;
6565 status
= decode_compound_hdr(xdr
, &hdr
);
6568 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6571 status
= decode_putfh(xdr
);
6574 status
= decode_read(xdr
, rqstp
, res
);
6576 status
= res
->count
;
6582 * Decode WRITE response
6584 static int nfs4_xdr_dec_write(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6585 struct nfs_writeres
*res
)
6587 struct compound_hdr hdr
;
6590 status
= decode_compound_hdr(xdr
, &hdr
);
6593 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6596 status
= decode_putfh(xdr
);
6599 status
= decode_write(xdr
, res
);
6603 decode_getfattr(xdr
, res
->fattr
, res
->server
);
6605 status
= res
->count
;
6611 * Decode COMMIT response
6613 static int nfs4_xdr_dec_commit(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6614 struct nfs_commitres
*res
)
6616 struct compound_hdr hdr
;
6619 status
= decode_compound_hdr(xdr
, &hdr
);
6622 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6625 status
= decode_putfh(xdr
);
6628 status
= decode_commit(xdr
, res
);
6634 * Decode FSINFO response
6636 static int nfs4_xdr_dec_fsinfo(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
6637 struct nfs4_fsinfo_res
*res
)
6639 struct compound_hdr hdr
;
6642 status
= decode_compound_hdr(xdr
, &hdr
);
6644 status
= decode_sequence(xdr
, &res
->seq_res
, req
);
6646 status
= decode_putfh(xdr
);
6648 status
= decode_fsinfo(xdr
, res
->fsinfo
);
6653 * Decode PATHCONF response
6655 static int nfs4_xdr_dec_pathconf(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
6656 struct nfs4_pathconf_res
*res
)
6658 struct compound_hdr hdr
;
6661 status
= decode_compound_hdr(xdr
, &hdr
);
6663 status
= decode_sequence(xdr
, &res
->seq_res
, req
);
6665 status
= decode_putfh(xdr
);
6667 status
= decode_pathconf(xdr
, res
->pathconf
);
6672 * Decode STATFS response
6674 static int nfs4_xdr_dec_statfs(struct rpc_rqst
*req
, struct xdr_stream
*xdr
,
6675 struct nfs4_statfs_res
*res
)
6677 struct compound_hdr hdr
;
6680 status
= decode_compound_hdr(xdr
, &hdr
);
6682 status
= decode_sequence(xdr
, &res
->seq_res
, req
);
6684 status
= decode_putfh(xdr
);
6686 status
= decode_statfs(xdr
, res
->fsstat
);
6691 * Decode GETATTR_BITMAP response
6693 static int nfs4_xdr_dec_server_caps(struct rpc_rqst
*req
,
6694 struct xdr_stream
*xdr
,
6695 struct nfs4_server_caps_res
*res
)
6697 struct compound_hdr hdr
;
6700 status
= decode_compound_hdr(xdr
, &hdr
);
6703 status
= decode_sequence(xdr
, &res
->seq_res
, req
);
6706 status
= decode_putfh(xdr
);
6709 status
= decode_server_caps(xdr
, res
);
6715 * Decode RENEW response
6717 static int nfs4_xdr_dec_renew(struct rpc_rqst
*rqstp
, struct xdr_stream
*xdr
,
6720 struct compound_hdr hdr
;
6723 status
= decode_compound_hdr(xdr
, &hdr
);
6725 status
= decode_renew(xdr
);
6730 * Decode SETCLIENTID response
6732 static int nfs4_xdr_dec_setclientid(struct rpc_rqst
*req
,
6733 struct xdr_stream
*xdr
,
6734 struct nfs4_setclientid_res
*res
)
6736 struct compound_hdr hdr
;
6739 status
= decode_compound_hdr(xdr
, &hdr
);
6741 status
= decode_setclientid(xdr
, res
);
6746 * Decode SETCLIENTID_CONFIRM response
6748 static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst
*req
,
6749 struct xdr_stream
*xdr
)
6751 struct compound_hdr hdr
;
6754 status
= decode_compound_hdr(xdr
, &hdr
);
6756 status
= decode_setclientid_confirm(xdr
);
6761 * Decode DELEGRETURN response
6763 static int nfs4_xdr_dec_delegreturn(struct rpc_rqst
*rqstp
,
6764 struct xdr_stream
*xdr
,
6765 struct nfs4_delegreturnres
*res
)
6767 struct compound_hdr hdr
;
6770 status
= decode_compound_hdr(xdr
, &hdr
);
6773 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6776 status
= decode_putfh(xdr
);
6779 status
= decode_getfattr(xdr
, res
->fattr
, res
->server
);
6782 status
= decode_delegreturn(xdr
);
6788 * Decode FS_LOCATIONS response
6790 static int nfs4_xdr_dec_fs_locations(struct rpc_rqst
*req
,
6791 struct xdr_stream
*xdr
,
6792 struct nfs4_fs_locations_res
*res
)
6794 struct compound_hdr hdr
;
6797 status
= decode_compound_hdr(xdr
, &hdr
);
6800 status
= decode_sequence(xdr
, &res
->seq_res
, req
);
6803 status
= decode_putfh(xdr
);
6806 status
= decode_lookup(xdr
);
6809 xdr_enter_page(xdr
, PAGE_SIZE
);
6810 status
= decode_getfattr_generic(xdr
, &res
->fs_locations
->fattr
,
6811 NULL
, res
->fs_locations
,
6812 NULL
, res
->fs_locations
->server
);
6818 * Decode SECINFO response
6820 static int nfs4_xdr_dec_secinfo(struct rpc_rqst
*rqstp
,
6821 struct xdr_stream
*xdr
,
6822 struct nfs4_secinfo_res
*res
)
6824 struct compound_hdr hdr
;
6827 status
= decode_compound_hdr(xdr
, &hdr
);
6830 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6833 status
= decode_putfh(xdr
);
6836 status
= decode_secinfo(xdr
, res
);
6841 #if defined(CONFIG_NFS_V4_1)
6843 * Decode BIND_CONN_TO_SESSION response
6845 static int nfs4_xdr_dec_bind_conn_to_session(struct rpc_rqst
*rqstp
,
6846 struct xdr_stream
*xdr
,
6849 struct compound_hdr hdr
;
6852 status
= decode_compound_hdr(xdr
, &hdr
);
6854 status
= decode_bind_conn_to_session(xdr
, res
);
6859 * Decode EXCHANGE_ID response
6861 static int nfs4_xdr_dec_exchange_id(struct rpc_rqst
*rqstp
,
6862 struct xdr_stream
*xdr
,
6865 struct compound_hdr hdr
;
6868 status
= decode_compound_hdr(xdr
, &hdr
);
6870 status
= decode_exchange_id(xdr
, res
);
6875 * Decode CREATE_SESSION response
6877 static int nfs4_xdr_dec_create_session(struct rpc_rqst
*rqstp
,
6878 struct xdr_stream
*xdr
,
6879 struct nfs41_create_session_res
*res
)
6881 struct compound_hdr hdr
;
6884 status
= decode_compound_hdr(xdr
, &hdr
);
6886 status
= decode_create_session(xdr
, res
);
6891 * Decode DESTROY_SESSION response
6893 static int nfs4_xdr_dec_destroy_session(struct rpc_rqst
*rqstp
,
6894 struct xdr_stream
*xdr
,
6897 struct compound_hdr hdr
;
6900 status
= decode_compound_hdr(xdr
, &hdr
);
6902 status
= decode_destroy_session(xdr
, res
);
6907 * Decode DESTROY_CLIENTID response
6909 static int nfs4_xdr_dec_destroy_clientid(struct rpc_rqst
*rqstp
,
6910 struct xdr_stream
*xdr
,
6913 struct compound_hdr hdr
;
6916 status
= decode_compound_hdr(xdr
, &hdr
);
6918 status
= decode_destroy_clientid(xdr
, res
);
6923 * Decode SEQUENCE response
6925 static int nfs4_xdr_dec_sequence(struct rpc_rqst
*rqstp
,
6926 struct xdr_stream
*xdr
,
6927 struct nfs4_sequence_res
*res
)
6929 struct compound_hdr hdr
;
6932 status
= decode_compound_hdr(xdr
, &hdr
);
6934 status
= decode_sequence(xdr
, res
, rqstp
);
6939 * Decode GET_LEASE_TIME response
6941 static int nfs4_xdr_dec_get_lease_time(struct rpc_rqst
*rqstp
,
6942 struct xdr_stream
*xdr
,
6943 struct nfs4_get_lease_time_res
*res
)
6945 struct compound_hdr hdr
;
6948 status
= decode_compound_hdr(xdr
, &hdr
);
6950 status
= decode_sequence(xdr
, &res
->lr_seq_res
, rqstp
);
6952 status
= decode_putrootfh(xdr
);
6954 status
= decode_fsinfo(xdr
, res
->lr_fsinfo
);
6959 * Decode RECLAIM_COMPLETE response
6961 static int nfs4_xdr_dec_reclaim_complete(struct rpc_rqst
*rqstp
,
6962 struct xdr_stream
*xdr
,
6963 struct nfs41_reclaim_complete_res
*res
)
6965 struct compound_hdr hdr
;
6968 status
= decode_compound_hdr(xdr
, &hdr
);
6970 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6972 status
= decode_reclaim_complete(xdr
, (void *)NULL
);
6977 * Decode GETDEVICELIST response
6979 static int nfs4_xdr_dec_getdevicelist(struct rpc_rqst
*rqstp
,
6980 struct xdr_stream
*xdr
,
6981 struct nfs4_getdevicelist_res
*res
)
6983 struct compound_hdr hdr
;
6986 dprintk("encoding getdevicelist!\n");
6988 status
= decode_compound_hdr(xdr
, &hdr
);
6991 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
6994 status
= decode_putfh(xdr
);
6997 status
= decode_getdevicelist(xdr
, res
->devlist
);
7003 * Decode GETDEVINFO response
7005 static int nfs4_xdr_dec_getdeviceinfo(struct rpc_rqst
*rqstp
,
7006 struct xdr_stream
*xdr
,
7007 struct nfs4_getdeviceinfo_res
*res
)
7009 struct compound_hdr hdr
;
7012 status
= decode_compound_hdr(xdr
, &hdr
);
7015 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
7018 status
= decode_getdeviceinfo(xdr
, res
->pdev
);
7024 * Decode LAYOUTGET response
7026 static int nfs4_xdr_dec_layoutget(struct rpc_rqst
*rqstp
,
7027 struct xdr_stream
*xdr
,
7028 struct nfs4_layoutget_res
*res
)
7030 struct compound_hdr hdr
;
7033 status
= decode_compound_hdr(xdr
, &hdr
);
7036 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
7039 status
= decode_putfh(xdr
);
7042 status
= decode_layoutget(xdr
, rqstp
, res
);
7048 * Decode LAYOUTRETURN response
7050 static int nfs4_xdr_dec_layoutreturn(struct rpc_rqst
*rqstp
,
7051 struct xdr_stream
*xdr
,
7052 struct nfs4_layoutreturn_res
*res
)
7054 struct compound_hdr hdr
;
7057 status
= decode_compound_hdr(xdr
, &hdr
);
7060 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
7063 status
= decode_putfh(xdr
);
7066 status
= decode_layoutreturn(xdr
, res
);
7072 * Decode LAYOUTCOMMIT response
7074 static int nfs4_xdr_dec_layoutcommit(struct rpc_rqst
*rqstp
,
7075 struct xdr_stream
*xdr
,
7076 struct nfs4_layoutcommit_res
*res
)
7078 struct compound_hdr hdr
;
7081 status
= decode_compound_hdr(xdr
, &hdr
);
7084 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
7087 status
= decode_putfh(xdr
);
7090 status
= decode_layoutcommit(xdr
, rqstp
, res
);
7093 decode_getfattr(xdr
, res
->fattr
, res
->server
);
7099 * Decode SECINFO_NO_NAME response
7101 static int nfs4_xdr_dec_secinfo_no_name(struct rpc_rqst
*rqstp
,
7102 struct xdr_stream
*xdr
,
7103 struct nfs4_secinfo_res
*res
)
7105 struct compound_hdr hdr
;
7108 status
= decode_compound_hdr(xdr
, &hdr
);
7111 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
7114 status
= decode_putrootfh(xdr
);
7117 status
= decode_secinfo_no_name(xdr
, res
);
7123 * Decode TEST_STATEID response
7125 static int nfs4_xdr_dec_test_stateid(struct rpc_rqst
*rqstp
,
7126 struct xdr_stream
*xdr
,
7127 struct nfs41_test_stateid_res
*res
)
7129 struct compound_hdr hdr
;
7132 status
= decode_compound_hdr(xdr
, &hdr
);
7135 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
7138 status
= decode_test_stateid(xdr
, res
);
7144 * Decode FREE_STATEID response
7146 static int nfs4_xdr_dec_free_stateid(struct rpc_rqst
*rqstp
,
7147 struct xdr_stream
*xdr
,
7148 struct nfs41_free_stateid_res
*res
)
7150 struct compound_hdr hdr
;
7153 status
= decode_compound_hdr(xdr
, &hdr
);
7156 status
= decode_sequence(xdr
, &res
->seq_res
, rqstp
);
7159 status
= decode_free_stateid(xdr
, res
);
7163 #endif /* CONFIG_NFS_V4_1 */
7166 * nfs4_decode_dirent - Decode a single NFSv4 directory entry stored in
7167 * the local page cache.
7168 * @xdr: XDR stream where entry resides
7169 * @entry: buffer to fill in with entry data
7170 * @plus: boolean indicating whether this should be a readdirplus entry
7172 * Returns zero if successful, otherwise a negative errno value is
7175 * This function is not invoked during READDIR reply decoding, but
7176 * rather whenever an application invokes the getdents(2) system call
7177 * on a directory already in our cache.
7179 int nfs4_decode_dirent(struct xdr_stream
*xdr
, struct nfs_entry
*entry
,
7183 uint32_t bitmap
[3] = {0};
7185 __be32
*p
= xdr_inline_decode(xdr
, 4);
7188 if (*p
== xdr_zero
) {
7189 p
= xdr_inline_decode(xdr
, 4);
7198 p
= xdr_inline_decode(xdr
, 12);
7201 entry
->prev_cookie
= entry
->cookie
;
7202 p
= xdr_decode_hyper(p
, &entry
->cookie
);
7203 entry
->len
= be32_to_cpup(p
);
7205 p
= xdr_inline_decode(xdr
, entry
->len
);
7208 entry
->name
= (const char *) p
;
7211 * In case the server doesn't return an inode number,
7212 * we fake one here. (We don't use inode number 0,
7213 * since glibc seems to choke on it...)
7216 entry
->fattr
->valid
= 0;
7218 if (decode_attr_bitmap(xdr
, bitmap
) < 0)
7221 if (decode_attr_length(xdr
, &len
, &savep
) < 0)
7224 if (decode_getfattr_attrs(xdr
, bitmap
, entry
->fattr
, entry
->fh
,
7225 NULL
, entry
->label
, entry
->server
) < 0)
7227 if (entry
->fattr
->valid
& NFS_ATTR_FATTR_MOUNTED_ON_FILEID
)
7228 entry
->ino
= entry
->fattr
->mounted_on_fileid
;
7229 else if (entry
->fattr
->valid
& NFS_ATTR_FATTR_FILEID
)
7230 entry
->ino
= entry
->fattr
->fileid
;
7232 entry
->d_type
= DT_UNKNOWN
;
7233 if (entry
->fattr
->valid
& NFS_ATTR_FATTR_TYPE
)
7234 entry
->d_type
= nfs_umode_to_dtype(entry
->fattr
->mode
);
7239 print_overflow_msg(__func__
, xdr
);
7244 * We need to translate between nfs status return values and
7245 * the local errno values which may not be the same.
7252 { NFS4ERR_PERM
, -EPERM
},
7253 { NFS4ERR_NOENT
, -ENOENT
},
7254 { NFS4ERR_IO
, -errno_NFSERR_IO
},
7255 { NFS4ERR_NXIO
, -ENXIO
},
7256 { NFS4ERR_ACCESS
, -EACCES
},
7257 { NFS4ERR_EXIST
, -EEXIST
},
7258 { NFS4ERR_XDEV
, -EXDEV
},
7259 { NFS4ERR_NOTDIR
, -ENOTDIR
},
7260 { NFS4ERR_ISDIR
, -EISDIR
},
7261 { NFS4ERR_INVAL
, -EINVAL
},
7262 { NFS4ERR_FBIG
, -EFBIG
},
7263 { NFS4ERR_NOSPC
, -ENOSPC
},
7264 { NFS4ERR_ROFS
, -EROFS
},
7265 { NFS4ERR_MLINK
, -EMLINK
},
7266 { NFS4ERR_NAMETOOLONG
, -ENAMETOOLONG
},
7267 { NFS4ERR_NOTEMPTY
, -ENOTEMPTY
},
7268 { NFS4ERR_DQUOT
, -EDQUOT
},
7269 { NFS4ERR_STALE
, -ESTALE
},
7270 { NFS4ERR_BADHANDLE
, -EBADHANDLE
},
7271 { NFS4ERR_BAD_COOKIE
, -EBADCOOKIE
},
7272 { NFS4ERR_NOTSUPP
, -ENOTSUPP
},
7273 { NFS4ERR_TOOSMALL
, -ETOOSMALL
},
7274 { NFS4ERR_SERVERFAULT
, -EREMOTEIO
},
7275 { NFS4ERR_BADTYPE
, -EBADTYPE
},
7276 { NFS4ERR_LOCKED
, -EAGAIN
},
7277 { NFS4ERR_SYMLINK
, -ELOOP
},
7278 { NFS4ERR_OP_ILLEGAL
, -EOPNOTSUPP
},
7279 { NFS4ERR_DEADLOCK
, -EDEADLK
},
7284 * Convert an NFS error code to a local one.
7285 * This one is used jointly by NFSv2 and NFSv3.
7288 nfs4_stat_to_errno(int stat
)
7291 for (i
= 0; nfs_errtbl
[i
].stat
!= -1; i
++) {
7292 if (nfs_errtbl
[i
].stat
== stat
)
7293 return nfs_errtbl
[i
].errno
;
7295 if (stat
<= 10000 || stat
> 10100) {
7296 /* The server is looney tunes. */
7299 /* If we cannot translate the error, the recovery routines should
7301 * Note: remaining NFSv4 error codes have values > 10000, so should
7302 * not conflict with native Linux error codes.
7307 #define PROC(proc, argtype, restype) \
7308 [NFSPROC4_CLNT_##proc] = { \
7309 .p_proc = NFSPROC4_COMPOUND, \
7310 .p_encode = (kxdreproc_t)nfs4_xdr_##argtype, \
7311 .p_decode = (kxdrdproc_t)nfs4_xdr_##restype, \
7312 .p_arglen = NFS4_##argtype##_sz, \
7313 .p_replen = NFS4_##restype##_sz, \
7314 .p_statidx = NFSPROC4_CLNT_##proc, \
7318 struct rpc_procinfo nfs4_procedures
[] = {
7319 PROC(READ
, enc_read
, dec_read
),
7320 PROC(WRITE
, enc_write
, dec_write
),
7321 PROC(COMMIT
, enc_commit
, dec_commit
),
7322 PROC(OPEN
, enc_open
, dec_open
),
7323 PROC(OPEN_CONFIRM
, enc_open_confirm
, dec_open_confirm
),
7324 PROC(OPEN_NOATTR
, enc_open_noattr
, dec_open_noattr
),
7325 PROC(OPEN_DOWNGRADE
, enc_open_downgrade
, dec_open_downgrade
),
7326 PROC(CLOSE
, enc_close
, dec_close
),
7327 PROC(SETATTR
, enc_setattr
, dec_setattr
),
7328 PROC(FSINFO
, enc_fsinfo
, dec_fsinfo
),
7329 PROC(RENEW
, enc_renew
, dec_renew
),
7330 PROC(SETCLIENTID
, enc_setclientid
, dec_setclientid
),
7331 PROC(SETCLIENTID_CONFIRM
, enc_setclientid_confirm
, dec_setclientid_confirm
),
7332 PROC(LOCK
, enc_lock
, dec_lock
),
7333 PROC(LOCKT
, enc_lockt
, dec_lockt
),
7334 PROC(LOCKU
, enc_locku
, dec_locku
),
7335 PROC(ACCESS
, enc_access
, dec_access
),
7336 PROC(GETATTR
, enc_getattr
, dec_getattr
),
7337 PROC(LOOKUP
, enc_lookup
, dec_lookup
),
7338 PROC(LOOKUP_ROOT
, enc_lookup_root
, dec_lookup_root
),
7339 PROC(REMOVE
, enc_remove
, dec_remove
),
7340 PROC(RENAME
, enc_rename
, dec_rename
),
7341 PROC(LINK
, enc_link
, dec_link
),
7342 PROC(SYMLINK
, enc_symlink
, dec_symlink
),
7343 PROC(CREATE
, enc_create
, dec_create
),
7344 PROC(PATHCONF
, enc_pathconf
, dec_pathconf
),
7345 PROC(STATFS
, enc_statfs
, dec_statfs
),
7346 PROC(READLINK
, enc_readlink
, dec_readlink
),
7347 PROC(READDIR
, enc_readdir
, dec_readdir
),
7348 PROC(SERVER_CAPS
, enc_server_caps
, dec_server_caps
),
7349 PROC(DELEGRETURN
, enc_delegreturn
, dec_delegreturn
),
7350 PROC(GETACL
, enc_getacl
, dec_getacl
),
7351 PROC(SETACL
, enc_setacl
, dec_setacl
),
7352 PROC(FS_LOCATIONS
, enc_fs_locations
, dec_fs_locations
),
7353 PROC(RELEASE_LOCKOWNER
, enc_release_lockowner
, dec_release_lockowner
),
7354 PROC(SECINFO
, enc_secinfo
, dec_secinfo
),
7355 #if defined(CONFIG_NFS_V4_1)
7356 PROC(EXCHANGE_ID
, enc_exchange_id
, dec_exchange_id
),
7357 PROC(CREATE_SESSION
, enc_create_session
, dec_create_session
),
7358 PROC(DESTROY_SESSION
, enc_destroy_session
, dec_destroy_session
),
7359 PROC(SEQUENCE
, enc_sequence
, dec_sequence
),
7360 PROC(GET_LEASE_TIME
, enc_get_lease_time
, dec_get_lease_time
),
7361 PROC(RECLAIM_COMPLETE
, enc_reclaim_complete
, dec_reclaim_complete
),
7362 PROC(GETDEVICEINFO
, enc_getdeviceinfo
, dec_getdeviceinfo
),
7363 PROC(LAYOUTGET
, enc_layoutget
, dec_layoutget
),
7364 PROC(LAYOUTCOMMIT
, enc_layoutcommit
, dec_layoutcommit
),
7365 PROC(LAYOUTRETURN
, enc_layoutreturn
, dec_layoutreturn
),
7366 PROC(SECINFO_NO_NAME
, enc_secinfo_no_name
, dec_secinfo_no_name
),
7367 PROC(TEST_STATEID
, enc_test_stateid
, dec_test_stateid
),
7368 PROC(FREE_STATEID
, enc_free_stateid
, dec_free_stateid
),
7369 PROC(GETDEVICELIST
, enc_getdevicelist
, dec_getdevicelist
),
7370 PROC(BIND_CONN_TO_SESSION
,
7371 enc_bind_conn_to_session
, dec_bind_conn_to_session
),
7372 PROC(DESTROY_CLIENTID
, enc_destroy_clientid
, dec_destroy_clientid
),
7373 #endif /* CONFIG_NFS_V4_1 */
7376 const struct rpc_version nfs_version4
= {
7378 .nrprocs
= ARRAY_SIZE(nfs4_procedures
),
7379 .procs
= nfs4_procedures