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1da177e4 LT |
1 | /* |
2 | * fs/nfs/nfs4xdr.c | |
3 | * | |
4 | * Client-side XDR for NFSv4. | |
5 | * | |
6 | * Copyright (c) 2002 The Regents of the University of Michigan. | |
7 | * All rights reserved. | |
8 | * | |
9 | * Kendrick Smith <kmsmith@umich.edu> | |
10 | * Andy Adamson <andros@umich.edu> | |
6c0195a4 | 11 | * |
1da177e4 LT |
12 | * Redistribution and use in source and binary forms, with or without |
13 | * modification, are permitted provided that the following conditions | |
14 | * are met: | |
15 | * | |
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. | |
24 | * | |
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. | |
36 | */ | |
37 | ||
38 | #include <linux/param.h> | |
39 | #include <linux/time.h> | |
40 | #include <linux/mm.h> | |
1da177e4 LT |
41 | #include <linux/errno.h> |
42 | #include <linux/string.h> | |
43 | #include <linux/in.h> | |
44 | #include <linux/pagemap.h> | |
45 | #include <linux/proc_fs.h> | |
46 | #include <linux/kdev_t.h> | |
47 | #include <linux/sunrpc/clnt.h> | |
2449ea2e | 48 | #include <linux/sunrpc/msg_prot.h> |
1da177e4 LT |
49 | #include <linux/nfs.h> |
50 | #include <linux/nfs4.h> | |
51 | #include <linux/nfs_fs.h> | |
52 | #include <linux/nfs_idmap.h> | |
4ce79717 | 53 | #include "nfs4_fs.h" |
4882ef72 | 54 | #include "internal.h" |
1da177e4 LT |
55 | |
56 | #define NFSDBG_FACILITY NFSDBG_XDR | |
57 | ||
58 | /* Mapping from NFS error code to "errno" error code. */ | |
59 | #define errno_NFSERR_IO EIO | |
60 | ||
0a8ea437 | 61 | static int nfs4_stat_to_errno(int); |
1da177e4 LT |
62 | |
63 | /* NFSv4 COMPOUND tags are only wanted for debugging purposes */ | |
64 | #ifdef DEBUG | |
65 | #define NFS4_MAXTAGLEN 20 | |
66 | #else | |
67 | #define NFS4_MAXTAGLEN 0 | |
68 | #endif | |
69 | ||
6c0195a4 | 70 | /* lock,open owner id: |
9f958ab8 | 71 | * we currently use size 2 (u64) out of (NFS4_OPAQUE_LIMIT >> 2) |
1da177e4 | 72 | */ |
9f958ab8 TM |
73 | #define open_owner_id_maxsz (1 + 4) |
74 | #define lock_owner_id_maxsz (1 + 4) | |
9104a55d | 75 | #define decode_lockowner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) |
1da177e4 LT |
76 | #define compound_encode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2)) |
77 | #define compound_decode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2)) | |
78 | #define op_encode_hdr_maxsz (1) | |
79 | #define op_decode_hdr_maxsz (2) | |
9104a55d TM |
80 | #define encode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE)) |
81 | #define decode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE)) | |
82 | #define encode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE)) | |
83 | #define decode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE)) | |
1da177e4 LT |
84 | #define encode_putfh_maxsz (op_encode_hdr_maxsz + 1 + \ |
85 | (NFS4_FHSIZE >> 2)) | |
86 | #define decode_putfh_maxsz (op_decode_hdr_maxsz) | |
87 | #define encode_putrootfh_maxsz (op_encode_hdr_maxsz) | |
88 | #define decode_putrootfh_maxsz (op_decode_hdr_maxsz) | |
89 | #define encode_getfh_maxsz (op_encode_hdr_maxsz) | |
90 | #define decode_getfh_maxsz (op_decode_hdr_maxsz + 1 + \ | |
91 | ((3+NFS4_FHSIZE) >> 2)) | |
96928206 BF |
92 | #define nfs4_fattr_bitmap_maxsz 3 |
93 | #define encode_getattr_maxsz (op_encode_hdr_maxsz + nfs4_fattr_bitmap_maxsz) | |
1da177e4 LT |
94 | #define nfs4_name_maxsz (1 + ((3 + NFS4_MAXNAMLEN) >> 2)) |
95 | #define nfs4_path_maxsz (1 + ((3 + NFS4_MAXPATHLEN) >> 2)) | |
bd625ba8 TM |
96 | #define nfs4_owner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) |
97 | #define nfs4_group_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) | |
96928206 BF |
98 | /* This is based on getfattr, which uses the most attributes: */ |
99 | #define nfs4_fattr_value_maxsz (1 + (1 + 2 + 2 + 4 + 2 + 1 + 1 + 2 + 2 + \ | |
bd625ba8 | 100 | 3 + 3 + 3 + nfs4_owner_maxsz + nfs4_group_maxsz)) |
96928206 BF |
101 | #define nfs4_fattr_maxsz (nfs4_fattr_bitmap_maxsz + \ |
102 | nfs4_fattr_value_maxsz) | |
103 | #define decode_getattr_maxsz (op_decode_hdr_maxsz + nfs4_fattr_maxsz) | |
9104a55d TM |
104 | #define encode_attrs_maxsz (nfs4_fattr_bitmap_maxsz + \ |
105 | 1 + 2 + 1 + \ | |
106 | nfs4_owner_maxsz + \ | |
107 | nfs4_group_maxsz + \ | |
108 | 4 + 4) | |
1da177e4 LT |
109 | #define encode_savefh_maxsz (op_encode_hdr_maxsz) |
110 | #define decode_savefh_maxsz (op_decode_hdr_maxsz) | |
56ae19f3 TM |
111 | #define encode_restorefh_maxsz (op_encode_hdr_maxsz) |
112 | #define decode_restorefh_maxsz (op_decode_hdr_maxsz) | |
2f42b5d0 | 113 | #define encode_fsinfo_maxsz (encode_getattr_maxsz) |
1da177e4 LT |
114 | #define decode_fsinfo_maxsz (op_decode_hdr_maxsz + 11) |
115 | #define encode_renew_maxsz (op_encode_hdr_maxsz + 3) | |
116 | #define decode_renew_maxsz (op_decode_hdr_maxsz) | |
117 | #define encode_setclientid_maxsz \ | |
118 | (op_encode_hdr_maxsz + \ | |
cc38bac3 CL |
119 | XDR_QUADLEN(NFS4_VERIFIER_SIZE) + \ |
120 | XDR_QUADLEN(NFS4_SETCLIENTID_NAMELEN) + \ | |
121 | 1 /* sc_prog */ + \ | |
122 | XDR_QUADLEN(RPCBIND_MAXNETIDLEN) + \ | |
123 | XDR_QUADLEN(RPCBIND_MAXUADDRLEN) + \ | |
124 | 1) /* sc_cb_ident */ | |
1da177e4 LT |
125 | #define decode_setclientid_maxsz \ |
126 | (op_decode_hdr_maxsz + \ | |
127 | 2 + \ | |
128 | 1024) /* large value for CLID_INUSE */ | |
129 | #define encode_setclientid_confirm_maxsz \ | |
130 | (op_encode_hdr_maxsz + \ | |
131 | 3 + (NFS4_VERIFIER_SIZE >> 2)) | |
132 | #define decode_setclientid_confirm_maxsz \ | |
133 | (op_decode_hdr_maxsz) | |
e6889620 TM |
134 | #define encode_lookup_maxsz (op_encode_hdr_maxsz + nfs4_name_maxsz) |
135 | #define decode_lookup_maxsz (op_decode_hdr_maxsz) | |
2cebf828 TM |
136 | #define encode_share_access_maxsz \ |
137 | (2) | |
4882ef72 | 138 | #define encode_createmode_maxsz (1 + encode_attrs_maxsz + encode_verifier_maxsz) |
2cebf828 TM |
139 | #define encode_opentype_maxsz (1 + encode_createmode_maxsz) |
140 | #define encode_claim_null_maxsz (1 + nfs4_name_maxsz) | |
141 | #define encode_open_maxsz (op_encode_hdr_maxsz + \ | |
142 | 2 + encode_share_access_maxsz + 2 + \ | |
143 | open_owner_id_maxsz + \ | |
144 | encode_opentype_maxsz + \ | |
145 | encode_claim_null_maxsz) | |
146 | #define decode_ace_maxsz (3 + nfs4_owner_maxsz) | |
9104a55d | 147 | #define decode_delegation_maxsz (1 + decode_stateid_maxsz + 1 + \ |
2cebf828 TM |
148 | decode_ace_maxsz) |
149 | #define decode_change_info_maxsz (5) | |
150 | #define decode_open_maxsz (op_decode_hdr_maxsz + \ | |
9104a55d | 151 | decode_stateid_maxsz + \ |
2cebf828 TM |
152 | decode_change_info_maxsz + 1 + \ |
153 | nfs4_fattr_bitmap_maxsz + \ | |
154 | decode_delegation_maxsz) | |
9104a55d TM |
155 | #define encode_open_confirm_maxsz \ |
156 | (op_encode_hdr_maxsz + \ | |
157 | encode_stateid_maxsz + 1) | |
158 | #define decode_open_confirm_maxsz \ | |
159 | (op_decode_hdr_maxsz + \ | |
160 | decode_stateid_maxsz) | |
161 | #define encode_open_downgrade_maxsz \ | |
162 | (op_encode_hdr_maxsz + \ | |
163 | encode_stateid_maxsz + 1 + \ | |
164 | encode_share_access_maxsz) | |
165 | #define decode_open_downgrade_maxsz \ | |
166 | (op_decode_hdr_maxsz + \ | |
167 | decode_stateid_maxsz) | |
168 | #define encode_close_maxsz (op_encode_hdr_maxsz + \ | |
169 | 1 + encode_stateid_maxsz) | |
170 | #define decode_close_maxsz (op_decode_hdr_maxsz + \ | |
171 | decode_stateid_maxsz) | |
172 | #define encode_setattr_maxsz (op_encode_hdr_maxsz + \ | |
173 | encode_stateid_maxsz + \ | |
174 | encode_attrs_maxsz) | |
175 | #define decode_setattr_maxsz (op_decode_hdr_maxsz + \ | |
176 | nfs4_fattr_bitmap_maxsz) | |
177 | #define encode_read_maxsz (op_encode_hdr_maxsz + \ | |
178 | encode_stateid_maxsz + 3) | |
179 | #define decode_read_maxsz (op_decode_hdr_maxsz + 2) | |
180 | #define encode_readdir_maxsz (op_encode_hdr_maxsz + \ | |
181 | 2 + encode_verifier_maxsz + 5) | |
182 | #define decode_readdir_maxsz (op_decode_hdr_maxsz + \ | |
183 | decode_verifier_maxsz) | |
184 | #define encode_readlink_maxsz (op_encode_hdr_maxsz) | |
185 | #define decode_readlink_maxsz (op_decode_hdr_maxsz + 1) | |
186 | #define encode_write_maxsz (op_encode_hdr_maxsz + \ | |
187 | encode_stateid_maxsz + 4) | |
188 | #define decode_write_maxsz (op_decode_hdr_maxsz + \ | |
189 | 2 + decode_verifier_maxsz) | |
190 | #define encode_commit_maxsz (op_encode_hdr_maxsz + 3) | |
191 | #define decode_commit_maxsz (op_decode_hdr_maxsz + \ | |
192 | decode_verifier_maxsz) | |
1da177e4 LT |
193 | #define encode_remove_maxsz (op_encode_hdr_maxsz + \ |
194 | nfs4_name_maxsz) | |
6ce18391 BH |
195 | #define decode_remove_maxsz (op_decode_hdr_maxsz + \ |
196 | decode_change_info_maxsz) | |
1da177e4 LT |
197 | #define encode_rename_maxsz (op_encode_hdr_maxsz + \ |
198 | 2 * nfs4_name_maxsz) | |
6ce18391 BH |
199 | #define decode_rename_maxsz (op_decode_hdr_maxsz + \ |
200 | decode_change_info_maxsz + \ | |
201 | decode_change_info_maxsz) | |
1da177e4 LT |
202 | #define encode_link_maxsz (op_encode_hdr_maxsz + \ |
203 | nfs4_name_maxsz) | |
6ce18391 | 204 | #define decode_link_maxsz (op_decode_hdr_maxsz + decode_change_info_maxsz) |
daccbded | 205 | #define encode_lockowner_maxsz (7) |
9104a55d TM |
206 | #define encode_lock_maxsz (op_encode_hdr_maxsz + \ |
207 | 7 + \ | |
daccbded TM |
208 | 1 + encode_stateid_maxsz + 1 + \ |
209 | encode_lockowner_maxsz) | |
9104a55d TM |
210 | #define decode_lock_denied_maxsz \ |
211 | (8 + decode_lockowner_maxsz) | |
212 | #define decode_lock_maxsz (op_decode_hdr_maxsz + \ | |
213 | decode_lock_denied_maxsz) | |
daccbded TM |
214 | #define encode_lockt_maxsz (op_encode_hdr_maxsz + 5 + \ |
215 | encode_lockowner_maxsz) | |
9104a55d TM |
216 | #define decode_lockt_maxsz (op_decode_hdr_maxsz + \ |
217 | decode_lock_denied_maxsz) | |
218 | #define encode_locku_maxsz (op_encode_hdr_maxsz + 3 + \ | |
219 | encode_stateid_maxsz + \ | |
220 | 4) | |
221 | #define decode_locku_maxsz (op_decode_hdr_maxsz + \ | |
222 | decode_stateid_maxsz) | |
d3c7b7cc TM |
223 | #define encode_release_lockowner_maxsz \ |
224 | (op_encode_hdr_maxsz + \ | |
225 | encode_lockowner_maxsz) | |
226 | #define decode_release_lockowner_maxsz \ | |
227 | (op_decode_hdr_maxsz) | |
9104a55d TM |
228 | #define encode_access_maxsz (op_encode_hdr_maxsz + 1) |
229 | #define decode_access_maxsz (op_decode_hdr_maxsz + 2) | |
1da177e4 LT |
230 | #define encode_symlink_maxsz (op_encode_hdr_maxsz + \ |
231 | 1 + nfs4_name_maxsz + \ | |
94a6d753 | 232 | 1 + \ |
96928206 | 233 | nfs4_fattr_maxsz) |
1da177e4 LT |
234 | #define decode_symlink_maxsz (op_decode_hdr_maxsz + 8) |
235 | #define encode_create_maxsz (op_encode_hdr_maxsz + \ | |
9104a55d TM |
236 | 1 + 2 + nfs4_name_maxsz + \ |
237 | encode_attrs_maxsz) | |
2cebf828 TM |
238 | #define decode_create_maxsz (op_decode_hdr_maxsz + \ |
239 | decode_change_info_maxsz + \ | |
240 | nfs4_fattr_bitmap_maxsz) | |
9104a55d TM |
241 | #define encode_statfs_maxsz (encode_getattr_maxsz) |
242 | #define decode_statfs_maxsz (decode_getattr_maxsz) | |
1da177e4 LT |
243 | #define encode_delegreturn_maxsz (op_encode_hdr_maxsz + 4) |
244 | #define decode_delegreturn_maxsz (op_decode_hdr_maxsz) | |
9104a55d TM |
245 | #define encode_getacl_maxsz (encode_getattr_maxsz) |
246 | #define decode_getacl_maxsz (op_decode_hdr_maxsz + \ | |
247 | nfs4_fattr_bitmap_maxsz + 1) | |
248 | #define encode_setacl_maxsz (op_encode_hdr_maxsz + \ | |
249 | encode_stateid_maxsz + 3) | |
250 | #define decode_setacl_maxsz (decode_setattr_maxsz) | |
e6889620 TM |
251 | #define encode_fs_locations_maxsz \ |
252 | (encode_getattr_maxsz) | |
253 | #define decode_fs_locations_maxsz \ | |
254 | (0) | |
9b7b9fcc AA |
255 | |
256 | #if defined(CONFIG_NFS_V4_1) | |
fc931582 AA |
257 | #define NFS4_MAX_MACHINE_NAME_LEN (64) |
258 | ||
99fe60d0 BH |
259 | #define encode_exchange_id_maxsz (op_encode_hdr_maxsz + \ |
260 | encode_verifier_maxsz + \ | |
261 | 1 /* co_ownerid.len */ + \ | |
262 | XDR_QUADLEN(NFS4_EXCHANGE_ID_LEN) + \ | |
263 | 1 /* flags */ + \ | |
264 | 1 /* spa_how */ + \ | |
265 | 0 /* SP4_NONE (for now) */ + \ | |
266 | 1 /* zero implemetation id array */) | |
267 | #define decode_exchange_id_maxsz (op_decode_hdr_maxsz + \ | |
268 | 2 /* eir_clientid */ + \ | |
269 | 1 /* eir_sequenceid */ + \ | |
270 | 1 /* eir_flags */ + \ | |
271 | 1 /* spr_how */ + \ | |
272 | 0 /* SP4_NONE (for now) */ + \ | |
273 | 2 /* eir_server_owner.so_minor_id */ + \ | |
274 | /* eir_server_owner.so_major_id<> */ \ | |
275 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 + \ | |
276 | /* eir_server_scope<> */ \ | |
277 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 + \ | |
278 | 1 /* eir_server_impl_id array length */ + \ | |
279 | 0 /* ignored eir_server_impl_id contents */) | |
fc931582 AA |
280 | #define encode_channel_attrs_maxsz (6 + 1 /* ca_rdma_ird.len (0) */) |
281 | #define decode_channel_attrs_maxsz (6 + \ | |
282 | 1 /* ca_rdma_ird.len */ + \ | |
283 | 1 /* ca_rdma_ird */) | |
284 | #define encode_create_session_maxsz (op_encode_hdr_maxsz + \ | |
285 | 2 /* csa_clientid */ + \ | |
286 | 1 /* csa_sequence */ + \ | |
287 | 1 /* csa_flags */ + \ | |
288 | encode_channel_attrs_maxsz + \ | |
289 | encode_channel_attrs_maxsz + \ | |
290 | 1 /* csa_cb_program */ + \ | |
291 | 1 /* csa_sec_parms.len (1) */ + \ | |
292 | 1 /* cb_secflavor (AUTH_SYS) */ + \ | |
293 | 1 /* stamp */ + \ | |
294 | 1 /* machinename.len */ + \ | |
295 | XDR_QUADLEN(NFS4_MAX_MACHINE_NAME_LEN) + \ | |
296 | 1 /* uid */ + \ | |
297 | 1 /* gid */ + \ | |
298 | 1 /* gids.len (0) */) | |
299 | #define decode_create_session_maxsz (op_decode_hdr_maxsz + \ | |
300 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + \ | |
301 | 1 /* csr_sequence */ + \ | |
302 | 1 /* csr_flags */ + \ | |
303 | decode_channel_attrs_maxsz + \ | |
304 | decode_channel_attrs_maxsz) | |
0f3e66c6 AA |
305 | #define encode_destroy_session_maxsz (op_encode_hdr_maxsz + 4) |
306 | #define decode_destroy_session_maxsz (op_decode_hdr_maxsz) | |
fc01cea9 AA |
307 | #define encode_sequence_maxsz (op_encode_hdr_maxsz + \ |
308 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 4) | |
309 | #define decode_sequence_maxsz (op_decode_hdr_maxsz + \ | |
310 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 5) | |
18019753 RL |
311 | #define encode_reclaim_complete_maxsz (op_encode_hdr_maxsz + 4) |
312 | #define decode_reclaim_complete_maxsz (op_decode_hdr_maxsz + 4) | |
9b7b9fcc AA |
313 | #else /* CONFIG_NFS_V4_1 */ |
314 | #define encode_sequence_maxsz 0 | |
315 | #define decode_sequence_maxsz 0 | |
316 | #endif /* CONFIG_NFS_V4_1 */ | |
317 | ||
1da177e4 LT |
318 | #define NFS4_enc_compound_sz (1024) /* XXX: large enough? */ |
319 | #define NFS4_dec_compound_sz (1024) /* XXX: large enough? */ | |
320 | #define NFS4_enc_read_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 321 | encode_sequence_maxsz + \ |
1da177e4 | 322 | encode_putfh_maxsz + \ |
9104a55d | 323 | encode_read_maxsz) |
1da177e4 | 324 | #define NFS4_dec_read_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 325 | decode_sequence_maxsz + \ |
1da177e4 | 326 | decode_putfh_maxsz + \ |
9104a55d | 327 | decode_read_maxsz) |
1da177e4 | 328 | #define NFS4_enc_readlink_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 329 | encode_sequence_maxsz + \ |
1da177e4 | 330 | encode_putfh_maxsz + \ |
9104a55d | 331 | encode_readlink_maxsz) |
1da177e4 | 332 | #define NFS4_dec_readlink_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 333 | decode_sequence_maxsz + \ |
1da177e4 | 334 | decode_putfh_maxsz + \ |
9104a55d | 335 | decode_readlink_maxsz) |
1da177e4 | 336 | #define NFS4_enc_readdir_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 337 | encode_sequence_maxsz + \ |
1da177e4 | 338 | encode_putfh_maxsz + \ |
9104a55d | 339 | encode_readdir_maxsz) |
1da177e4 | 340 | #define NFS4_dec_readdir_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 341 | decode_sequence_maxsz + \ |
1da177e4 | 342 | decode_putfh_maxsz + \ |
9104a55d | 343 | decode_readdir_maxsz) |
1da177e4 | 344 | #define NFS4_enc_write_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 345 | encode_sequence_maxsz + \ |
1da177e4 | 346 | encode_putfh_maxsz + \ |
9104a55d | 347 | encode_write_maxsz + \ |
4f9838c7 | 348 | encode_getattr_maxsz) |
1da177e4 | 349 | #define NFS4_dec_write_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 350 | decode_sequence_maxsz + \ |
1da177e4 | 351 | decode_putfh_maxsz + \ |
9104a55d | 352 | decode_write_maxsz + \ |
4f9838c7 | 353 | decode_getattr_maxsz) |
1da177e4 | 354 | #define NFS4_enc_commit_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 355 | encode_sequence_maxsz + \ |
1da177e4 | 356 | encode_putfh_maxsz + \ |
9104a55d | 357 | encode_commit_maxsz + \ |
4f9838c7 | 358 | encode_getattr_maxsz) |
1da177e4 | 359 | #define NFS4_dec_commit_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 360 | decode_sequence_maxsz + \ |
1da177e4 | 361 | decode_putfh_maxsz + \ |
9104a55d | 362 | decode_commit_maxsz + \ |
4f9838c7 | 363 | decode_getattr_maxsz) |
1da177e4 | 364 | #define NFS4_enc_open_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 365 | encode_sequence_maxsz + \ |
2cebf828 TM |
366 | encode_putfh_maxsz + \ |
367 | encode_savefh_maxsz + \ | |
368 | encode_open_maxsz + \ | |
369 | encode_getfh_maxsz + \ | |
370 | encode_getattr_maxsz + \ | |
371 | encode_restorefh_maxsz + \ | |
372 | encode_getattr_maxsz) | |
1da177e4 | 373 | #define NFS4_dec_open_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 374 | decode_sequence_maxsz + \ |
2cebf828 TM |
375 | decode_putfh_maxsz + \ |
376 | decode_savefh_maxsz + \ | |
377 | decode_open_maxsz + \ | |
378 | decode_getfh_maxsz + \ | |
379 | decode_getattr_maxsz + \ | |
380 | decode_restorefh_maxsz + \ | |
381 | decode_getattr_maxsz) | |
9104a55d TM |
382 | #define NFS4_enc_open_confirm_sz \ |
383 | (compound_encode_hdr_maxsz + \ | |
384 | encode_putfh_maxsz + \ | |
385 | encode_open_confirm_maxsz) | |
386 | #define NFS4_dec_open_confirm_sz \ | |
387 | (compound_decode_hdr_maxsz + \ | |
388 | decode_putfh_maxsz + \ | |
389 | decode_open_confirm_maxsz) | |
1da177e4 | 390 | #define NFS4_enc_open_noattr_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 391 | encode_sequence_maxsz + \ |
1da177e4 | 392 | encode_putfh_maxsz + \ |
2cebf828 TM |
393 | encode_open_maxsz + \ |
394 | encode_getattr_maxsz) | |
1da177e4 | 395 | #define NFS4_dec_open_noattr_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 396 | decode_sequence_maxsz + \ |
1da177e4 | 397 | decode_putfh_maxsz + \ |
2cebf828 TM |
398 | decode_open_maxsz + \ |
399 | decode_getattr_maxsz) | |
1da177e4 LT |
400 | #define NFS4_enc_open_downgrade_sz \ |
401 | (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 402 | encode_sequence_maxsz + \ |
9104a55d TM |
403 | encode_putfh_maxsz + \ |
404 | encode_open_downgrade_maxsz + \ | |
405 | encode_getattr_maxsz) | |
1da177e4 LT |
406 | #define NFS4_dec_open_downgrade_sz \ |
407 | (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 408 | decode_sequence_maxsz + \ |
9104a55d TM |
409 | decode_putfh_maxsz + \ |
410 | decode_open_downgrade_maxsz + \ | |
411 | decode_getattr_maxsz) | |
412 | #define NFS4_enc_close_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 413 | encode_sequence_maxsz + \ |
9104a55d TM |
414 | encode_putfh_maxsz + \ |
415 | encode_close_maxsz + \ | |
416 | encode_getattr_maxsz) | |
417 | #define NFS4_dec_close_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 418 | decode_sequence_maxsz + \ |
9104a55d TM |
419 | decode_putfh_maxsz + \ |
420 | decode_close_maxsz + \ | |
421 | decode_getattr_maxsz) | |
422 | #define NFS4_enc_setattr_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 423 | encode_sequence_maxsz + \ |
9104a55d TM |
424 | encode_putfh_maxsz + \ |
425 | encode_setattr_maxsz + \ | |
426 | encode_getattr_maxsz) | |
427 | #define NFS4_dec_setattr_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 428 | decode_sequence_maxsz + \ |
9104a55d TM |
429 | decode_putfh_maxsz + \ |
430 | decode_setattr_maxsz + \ | |
431 | decode_getattr_maxsz) | |
1da177e4 | 432 | #define NFS4_enc_fsinfo_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 433 | encode_sequence_maxsz + \ |
1da177e4 LT |
434 | encode_putfh_maxsz + \ |
435 | encode_fsinfo_maxsz) | |
436 | #define NFS4_dec_fsinfo_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 437 | decode_sequence_maxsz + \ |
1da177e4 LT |
438 | decode_putfh_maxsz + \ |
439 | decode_fsinfo_maxsz) | |
440 | #define NFS4_enc_renew_sz (compound_encode_hdr_maxsz + \ | |
441 | encode_renew_maxsz) | |
442 | #define NFS4_dec_renew_sz (compound_decode_hdr_maxsz + \ | |
443 | decode_renew_maxsz) | |
444 | #define NFS4_enc_setclientid_sz (compound_encode_hdr_maxsz + \ | |
445 | encode_setclientid_maxsz) | |
446 | #define NFS4_dec_setclientid_sz (compound_decode_hdr_maxsz + \ | |
447 | decode_setclientid_maxsz) | |
448 | #define NFS4_enc_setclientid_confirm_sz \ | |
449 | (compound_encode_hdr_maxsz + \ | |
450 | encode_setclientid_confirm_maxsz + \ | |
451 | encode_putrootfh_maxsz + \ | |
452 | encode_fsinfo_maxsz) | |
453 | #define NFS4_dec_setclientid_confirm_sz \ | |
454 | (compound_decode_hdr_maxsz + \ | |
455 | decode_setclientid_confirm_maxsz + \ | |
456 | decode_putrootfh_maxsz + \ | |
457 | decode_fsinfo_maxsz) | |
458 | #define NFS4_enc_lock_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 459 | encode_sequence_maxsz + \ |
1da177e4 | 460 | encode_putfh_maxsz + \ |
9104a55d | 461 | encode_lock_maxsz) |
1da177e4 | 462 | #define NFS4_dec_lock_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 463 | decode_sequence_maxsz + \ |
1da177e4 | 464 | decode_putfh_maxsz + \ |
9104a55d | 465 | decode_lock_maxsz) |
1da177e4 | 466 | #define NFS4_enc_lockt_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 467 | encode_sequence_maxsz + \ |
1da177e4 | 468 | encode_putfh_maxsz + \ |
9104a55d TM |
469 | encode_lockt_maxsz) |
470 | #define NFS4_dec_lockt_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 471 | decode_sequence_maxsz + \ |
9104a55d TM |
472 | decode_putfh_maxsz + \ |
473 | decode_lockt_maxsz) | |
1da177e4 | 474 | #define NFS4_enc_locku_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 475 | encode_sequence_maxsz + \ |
1da177e4 | 476 | encode_putfh_maxsz + \ |
9104a55d | 477 | encode_locku_maxsz) |
1da177e4 | 478 | #define NFS4_dec_locku_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 479 | decode_sequence_maxsz + \ |
1da177e4 | 480 | decode_putfh_maxsz + \ |
9104a55d | 481 | decode_locku_maxsz) |
d3c7b7cc TM |
482 | #define NFS4_enc_release_lockowner_sz \ |
483 | (compound_encode_hdr_maxsz + \ | |
484 | encode_lockowner_maxsz) | |
485 | #define NFS4_dec_release_lockowner_sz \ | |
486 | (compound_decode_hdr_maxsz + \ | |
487 | decode_lockowner_maxsz) | |
1da177e4 | 488 | #define NFS4_enc_access_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 489 | encode_sequence_maxsz + \ |
1da177e4 | 490 | encode_putfh_maxsz + \ |
76b32999 TM |
491 | encode_access_maxsz + \ |
492 | encode_getattr_maxsz) | |
1da177e4 | 493 | #define NFS4_dec_access_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 494 | decode_sequence_maxsz + \ |
1da177e4 | 495 | decode_putfh_maxsz + \ |
76b32999 TM |
496 | decode_access_maxsz + \ |
497 | decode_getattr_maxsz) | |
1da177e4 | 498 | #define NFS4_enc_getattr_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 499 | encode_sequence_maxsz + \ |
1da177e4 LT |
500 | encode_putfh_maxsz + \ |
501 | encode_getattr_maxsz) | |
502 | #define NFS4_dec_getattr_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 503 | decode_sequence_maxsz + \ |
1da177e4 LT |
504 | decode_putfh_maxsz + \ |
505 | decode_getattr_maxsz) | |
506 | #define NFS4_enc_lookup_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 507 | encode_sequence_maxsz + \ |
1da177e4 LT |
508 | encode_putfh_maxsz + \ |
509 | encode_lookup_maxsz + \ | |
510 | encode_getattr_maxsz + \ | |
511 | encode_getfh_maxsz) | |
512 | #define NFS4_dec_lookup_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 513 | decode_sequence_maxsz + \ |
1da177e4 | 514 | decode_putfh_maxsz + \ |
e6889620 | 515 | decode_lookup_maxsz + \ |
1da177e4 LT |
516 | decode_getattr_maxsz + \ |
517 | decode_getfh_maxsz) | |
518 | #define NFS4_enc_lookup_root_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 519 | encode_sequence_maxsz + \ |
1da177e4 LT |
520 | encode_putrootfh_maxsz + \ |
521 | encode_getattr_maxsz + \ | |
522 | encode_getfh_maxsz) | |
523 | #define NFS4_dec_lookup_root_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 524 | decode_sequence_maxsz + \ |
1da177e4 LT |
525 | decode_putrootfh_maxsz + \ |
526 | decode_getattr_maxsz + \ | |
527 | decode_getfh_maxsz) | |
528 | #define NFS4_enc_remove_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 529 | encode_sequence_maxsz + \ |
1da177e4 | 530 | encode_putfh_maxsz + \ |
16e42959 TM |
531 | encode_remove_maxsz + \ |
532 | encode_getattr_maxsz) | |
1da177e4 | 533 | #define NFS4_dec_remove_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 534 | decode_sequence_maxsz + \ |
1da177e4 | 535 | decode_putfh_maxsz + \ |
6ce18391 | 536 | decode_remove_maxsz + \ |
16e42959 | 537 | decode_getattr_maxsz) |
1da177e4 | 538 | #define NFS4_enc_rename_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 539 | encode_sequence_maxsz + \ |
1da177e4 LT |
540 | encode_putfh_maxsz + \ |
541 | encode_savefh_maxsz + \ | |
542 | encode_putfh_maxsz + \ | |
6caf2c82 TM |
543 | encode_rename_maxsz + \ |
544 | encode_getattr_maxsz + \ | |
545 | encode_restorefh_maxsz + \ | |
546 | encode_getattr_maxsz) | |
1da177e4 | 547 | #define NFS4_dec_rename_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 548 | decode_sequence_maxsz + \ |
1da177e4 LT |
549 | decode_putfh_maxsz + \ |
550 | decode_savefh_maxsz + \ | |
551 | decode_putfh_maxsz + \ | |
6caf2c82 TM |
552 | decode_rename_maxsz + \ |
553 | decode_getattr_maxsz + \ | |
554 | decode_restorefh_maxsz + \ | |
555 | decode_getattr_maxsz) | |
1da177e4 | 556 | #define NFS4_enc_link_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 557 | encode_sequence_maxsz + \ |
1da177e4 LT |
558 | encode_putfh_maxsz + \ |
559 | encode_savefh_maxsz + \ | |
560 | encode_putfh_maxsz + \ | |
91ba2eee TM |
561 | encode_link_maxsz + \ |
562 | decode_getattr_maxsz + \ | |
563 | encode_restorefh_maxsz + \ | |
564 | decode_getattr_maxsz) | |
1da177e4 | 565 | #define NFS4_dec_link_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 566 | decode_sequence_maxsz + \ |
1da177e4 LT |
567 | decode_putfh_maxsz + \ |
568 | decode_savefh_maxsz + \ | |
569 | decode_putfh_maxsz + \ | |
91ba2eee TM |
570 | decode_link_maxsz + \ |
571 | decode_getattr_maxsz + \ | |
572 | decode_restorefh_maxsz + \ | |
573 | decode_getattr_maxsz) | |
1da177e4 | 574 | #define NFS4_enc_symlink_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 575 | encode_sequence_maxsz + \ |
1da177e4 LT |
576 | encode_putfh_maxsz + \ |
577 | encode_symlink_maxsz + \ | |
578 | encode_getattr_maxsz + \ | |
579 | encode_getfh_maxsz) | |
580 | #define NFS4_dec_symlink_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 581 | decode_sequence_maxsz + \ |
1da177e4 LT |
582 | decode_putfh_maxsz + \ |
583 | decode_symlink_maxsz + \ | |
584 | decode_getattr_maxsz + \ | |
585 | decode_getfh_maxsz) | |
586 | #define NFS4_enc_create_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 587 | encode_sequence_maxsz + \ |
1da177e4 | 588 | encode_putfh_maxsz + \ |
56ae19f3 | 589 | encode_savefh_maxsz + \ |
1da177e4 | 590 | encode_create_maxsz + \ |
56ae19f3 | 591 | encode_getfh_maxsz + \ |
1da177e4 | 592 | encode_getattr_maxsz + \ |
56ae19f3 TM |
593 | encode_restorefh_maxsz + \ |
594 | encode_getattr_maxsz) | |
1da177e4 | 595 | #define NFS4_dec_create_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 596 | decode_sequence_maxsz + \ |
1da177e4 | 597 | decode_putfh_maxsz + \ |
56ae19f3 | 598 | decode_savefh_maxsz + \ |
1da177e4 | 599 | decode_create_maxsz + \ |
56ae19f3 | 600 | decode_getfh_maxsz + \ |
1da177e4 | 601 | decode_getattr_maxsz + \ |
56ae19f3 TM |
602 | decode_restorefh_maxsz + \ |
603 | decode_getattr_maxsz) | |
1da177e4 | 604 | #define NFS4_enc_pathconf_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 605 | encode_sequence_maxsz + \ |
1da177e4 LT |
606 | encode_putfh_maxsz + \ |
607 | encode_getattr_maxsz) | |
608 | #define NFS4_dec_pathconf_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 609 | decode_sequence_maxsz + \ |
1da177e4 LT |
610 | decode_putfh_maxsz + \ |
611 | decode_getattr_maxsz) | |
612 | #define NFS4_enc_statfs_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 613 | encode_sequence_maxsz + \ |
1da177e4 | 614 | encode_putfh_maxsz + \ |
9104a55d | 615 | encode_statfs_maxsz) |
1da177e4 | 616 | #define NFS4_dec_statfs_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 617 | decode_sequence_maxsz + \ |
1da177e4 | 618 | decode_putfh_maxsz + \ |
9104a55d | 619 | decode_statfs_maxsz) |
1da177e4 | 620 | #define NFS4_enc_server_caps_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 621 | encode_sequence_maxsz + \ |
ab91f264 | 622 | encode_putfh_maxsz + \ |
1da177e4 LT |
623 | encode_getattr_maxsz) |
624 | #define NFS4_dec_server_caps_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 625 | decode_sequence_maxsz + \ |
ab91f264 | 626 | decode_putfh_maxsz + \ |
1da177e4 LT |
627 | decode_getattr_maxsz) |
628 | #define NFS4_enc_delegreturn_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 629 | encode_sequence_maxsz + \ |
1da177e4 | 630 | encode_putfh_maxsz + \ |
fa178f29 TM |
631 | encode_delegreturn_maxsz + \ |
632 | encode_getattr_maxsz) | |
1da177e4 | 633 | #define NFS4_dec_delegreturn_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 634 | decode_sequence_maxsz + \ |
fa178f29 TM |
635 | decode_delegreturn_maxsz + \ |
636 | decode_getattr_maxsz) | |
029d105e | 637 | #define NFS4_enc_getacl_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 638 | encode_sequence_maxsz + \ |
029d105e | 639 | encode_putfh_maxsz + \ |
9104a55d | 640 | encode_getacl_maxsz) |
029d105e | 641 | #define NFS4_dec_getacl_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 642 | decode_sequence_maxsz + \ |
029d105e | 643 | decode_putfh_maxsz + \ |
9104a55d | 644 | decode_getacl_maxsz) |
23ec6965 | 645 | #define NFS4_enc_setacl_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 646 | encode_sequence_maxsz + \ |
23ec6965 | 647 | encode_putfh_maxsz + \ |
9104a55d | 648 | encode_setacl_maxsz) |
23ec6965 | 649 | #define NFS4_dec_setacl_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 650 | decode_sequence_maxsz + \ |
23ec6965 | 651 | decode_putfh_maxsz + \ |
9104a55d | 652 | decode_setacl_maxsz) |
683b57b4 TM |
653 | #define NFS4_enc_fs_locations_sz \ |
654 | (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 655 | encode_sequence_maxsz + \ |
683b57b4 | 656 | encode_putfh_maxsz + \ |
e6889620 TM |
657 | encode_lookup_maxsz + \ |
658 | encode_fs_locations_maxsz) | |
683b57b4 TM |
659 | #define NFS4_dec_fs_locations_sz \ |
660 | (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 661 | decode_sequence_maxsz + \ |
683b57b4 | 662 | decode_putfh_maxsz + \ |
e6889620 TM |
663 | decode_lookup_maxsz + \ |
664 | decode_fs_locations_maxsz) | |
99fe60d0 BH |
665 | #if defined(CONFIG_NFS_V4_1) |
666 | #define NFS4_enc_exchange_id_sz \ | |
667 | (compound_encode_hdr_maxsz + \ | |
668 | encode_exchange_id_maxsz) | |
669 | #define NFS4_dec_exchange_id_sz \ | |
670 | (compound_decode_hdr_maxsz + \ | |
671 | decode_exchange_id_maxsz) | |
fc931582 AA |
672 | #define NFS4_enc_create_session_sz \ |
673 | (compound_encode_hdr_maxsz + \ | |
674 | encode_create_session_maxsz) | |
675 | #define NFS4_dec_create_session_sz \ | |
676 | (compound_decode_hdr_maxsz + \ | |
677 | decode_create_session_maxsz) | |
0f3e66c6 AA |
678 | #define NFS4_enc_destroy_session_sz (compound_encode_hdr_maxsz + \ |
679 | encode_destroy_session_maxsz) | |
680 | #define NFS4_dec_destroy_session_sz (compound_decode_hdr_maxsz + \ | |
681 | decode_destroy_session_maxsz) | |
fc01cea9 AA |
682 | #define NFS4_enc_sequence_sz \ |
683 | (compound_decode_hdr_maxsz + \ | |
684 | encode_sequence_maxsz) | |
685 | #define NFS4_dec_sequence_sz \ | |
686 | (compound_decode_hdr_maxsz + \ | |
687 | decode_sequence_maxsz) | |
2050f0cc AA |
688 | #define NFS4_enc_get_lease_time_sz (compound_encode_hdr_maxsz + \ |
689 | encode_sequence_maxsz + \ | |
690 | encode_putrootfh_maxsz + \ | |
691 | encode_fsinfo_maxsz) | |
692 | #define NFS4_dec_get_lease_time_sz (compound_decode_hdr_maxsz + \ | |
693 | decode_sequence_maxsz + \ | |
694 | decode_putrootfh_maxsz + \ | |
695 | decode_fsinfo_maxsz) | |
18019753 RL |
696 | #define NFS4_enc_reclaim_complete_sz (compound_encode_hdr_maxsz + \ |
697 | encode_sequence_maxsz + \ | |
698 | encode_reclaim_complete_maxsz) | |
699 | #define NFS4_dec_reclaim_complete_sz (compound_decode_hdr_maxsz + \ | |
700 | decode_sequence_maxsz + \ | |
701 | decode_reclaim_complete_maxsz) | |
2449ea2e AB |
702 | |
703 | const u32 nfs41_maxwrite_overhead = ((RPC_MAX_HEADER_WITH_AUTH + | |
704 | compound_encode_hdr_maxsz + | |
705 | encode_sequence_maxsz + | |
706 | encode_putfh_maxsz + | |
707 | encode_getattr_maxsz) * | |
708 | XDR_UNIT); | |
709 | ||
710 | const u32 nfs41_maxread_overhead = ((RPC_MAX_HEADER_WITH_AUTH + | |
711 | compound_decode_hdr_maxsz + | |
712 | decode_sequence_maxsz + | |
713 | decode_putfh_maxsz) * | |
714 | XDR_UNIT); | |
99fe60d0 | 715 | #endif /* CONFIG_NFS_V4_1 */ |
1da177e4 | 716 | |
bca79478 TM |
717 | static const umode_t nfs_type2fmt[] = { |
718 | [NF4BAD] = 0, | |
719 | [NF4REG] = S_IFREG, | |
720 | [NF4DIR] = S_IFDIR, | |
721 | [NF4BLK] = S_IFBLK, | |
722 | [NF4CHR] = S_IFCHR, | |
723 | [NF4LNK] = S_IFLNK, | |
724 | [NF4SOCK] = S_IFSOCK, | |
725 | [NF4FIFO] = S_IFIFO, | |
726 | [NF4ATTRDIR] = 0, | |
727 | [NF4NAMEDATTR] = 0, | |
1da177e4 LT |
728 | }; |
729 | ||
730 | struct compound_hdr { | |
731 | int32_t status; | |
732 | uint32_t nops; | |
d017931c | 733 | __be32 * nops_p; |
1da177e4 LT |
734 | uint32_t taglen; |
735 | char * tag; | |
0c4e8c18 | 736 | uint32_t replen; /* expected reply words */ |
66cc0429 | 737 | u32 minorversion; |
1da177e4 LT |
738 | }; |
739 | ||
13c65ce9 BH |
740 | static __be32 *reserve_space(struct xdr_stream *xdr, size_t nbytes) |
741 | { | |
742 | __be32 *p = xdr_reserve_space(xdr, nbytes); | |
743 | BUG_ON(!p); | |
744 | return p; | |
745 | } | |
1da177e4 LT |
746 | |
747 | static void encode_string(struct xdr_stream *xdr, unsigned int len, const char *str) | |
748 | { | |
8687b63a | 749 | __be32 *p; |
1da177e4 LT |
750 | |
751 | p = xdr_reserve_space(xdr, 4 + len); | |
752 | BUG_ON(p == NULL); | |
753 | xdr_encode_opaque(p, str, len); | |
754 | } | |
755 | ||
0c4e8c18 BH |
756 | static void encode_compound_hdr(struct xdr_stream *xdr, |
757 | struct rpc_rqst *req, | |
758 | struct compound_hdr *hdr) | |
1da177e4 | 759 | { |
8687b63a | 760 | __be32 *p; |
a17c2153 | 761 | struct rpc_auth *auth = req->rq_cred->cr_auth; |
0c4e8c18 BH |
762 | |
763 | /* initialize running count of expected bytes in reply. | |
764 | * NOTE: the replied tag SHOULD be the same is the one sent, | |
765 | * but this is not required as a MUST for the server to do so. */ | |
766 | hdr->replen = RPC_REPHDRSIZE + auth->au_rslack + 3 + hdr->taglen; | |
1da177e4 LT |
767 | |
768 | dprintk("encode_compound: tag=%.*s\n", (int)hdr->taglen, hdr->tag); | |
769 | BUG_ON(hdr->taglen > NFS4_MAXTAGLEN); | |
811652bd BH |
770 | p = reserve_space(xdr, 4 + hdr->taglen + 8); |
771 | p = xdr_encode_opaque(p, hdr->tag, hdr->taglen); | |
e75bc1c8 | 772 | *p++ = cpu_to_be32(hdr->minorversion); |
d017931c | 773 | hdr->nops_p = p; |
34558513 | 774 | *p = cpu_to_be32(hdr->nops); |
d017931c AA |
775 | } |
776 | ||
777 | static void encode_nops(struct compound_hdr *hdr) | |
778 | { | |
fc931582 | 779 | BUG_ON(hdr->nops > NFS4_MAX_OPS); |
d017931c | 780 | *hdr->nops_p = htonl(hdr->nops); |
1da177e4 LT |
781 | } |
782 | ||
783 | static void encode_nfs4_verifier(struct xdr_stream *xdr, const nfs4_verifier *verf) | |
784 | { | |
8687b63a | 785 | __be32 *p; |
1da177e4 LT |
786 | |
787 | p = xdr_reserve_space(xdr, NFS4_VERIFIER_SIZE); | |
788 | BUG_ON(p == NULL); | |
789 | xdr_encode_opaque_fixed(p, verf->data, NFS4_VERIFIER_SIZE); | |
790 | } | |
791 | ||
cf8cdbe5 | 792 | static void encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const struct nfs_server *server) |
1da177e4 LT |
793 | { |
794 | char owner_name[IDMAP_NAMESZ]; | |
795 | char owner_group[IDMAP_NAMESZ]; | |
796 | int owner_namelen = 0; | |
797 | int owner_grouplen = 0; | |
8687b63a AV |
798 | __be32 *p; |
799 | __be32 *q; | |
1da177e4 LT |
800 | int len; |
801 | uint32_t bmval0 = 0; | |
802 | uint32_t bmval1 = 0; | |
1da177e4 LT |
803 | |
804 | /* | |
805 | * We reserve enough space to write the entire attribute buffer at once. | |
806 | * In the worst-case, this would be | |
807 | * 12(bitmap) + 4(attrlen) + 8(size) + 4(mode) + 4(atime) + 4(mtime) | |
808 | * = 36 bytes, plus any contribution from variable-length fields | |
23ec6965 | 809 | * such as owner/group. |
1da177e4 LT |
810 | */ |
811 | len = 16; | |
812 | ||
813 | /* Sigh */ | |
814 | if (iap->ia_valid & ATTR_SIZE) | |
815 | len += 8; | |
816 | if (iap->ia_valid & ATTR_MODE) | |
817 | len += 4; | |
818 | if (iap->ia_valid & ATTR_UID) { | |
955a857e | 819 | owner_namelen = nfs_map_uid_to_name(server->nfs_client, iap->ia_uid, owner_name, IDMAP_NAMESZ); |
1da177e4 | 820 | if (owner_namelen < 0) { |
fe82a183 CL |
821 | dprintk("nfs: couldn't resolve uid %d to string\n", |
822 | iap->ia_uid); | |
1da177e4 LT |
823 | /* XXX */ |
824 | strcpy(owner_name, "nobody"); | |
825 | owner_namelen = sizeof("nobody") - 1; | |
826 | /* goto out; */ | |
827 | } | |
828 | len += 4 + (XDR_QUADLEN(owner_namelen) << 2); | |
829 | } | |
830 | if (iap->ia_valid & ATTR_GID) { | |
955a857e | 831 | owner_grouplen = nfs_map_gid_to_group(server->nfs_client, iap->ia_gid, owner_group, IDMAP_NAMESZ); |
1da177e4 | 832 | if (owner_grouplen < 0) { |
fe82a183 CL |
833 | dprintk("nfs: couldn't resolve gid %d to string\n", |
834 | iap->ia_gid); | |
1da177e4 LT |
835 | strcpy(owner_group, "nobody"); |
836 | owner_grouplen = sizeof("nobody") - 1; | |
837 | /* goto out; */ | |
838 | } | |
839 | len += 4 + (XDR_QUADLEN(owner_grouplen) << 2); | |
840 | } | |
841 | if (iap->ia_valid & ATTR_ATIME_SET) | |
842 | len += 16; | |
843 | else if (iap->ia_valid & ATTR_ATIME) | |
844 | len += 4; | |
845 | if (iap->ia_valid & ATTR_MTIME_SET) | |
846 | len += 16; | |
847 | else if (iap->ia_valid & ATTR_MTIME) | |
848 | len += 4; | |
13c65ce9 | 849 | p = reserve_space(xdr, len); |
1da177e4 LT |
850 | |
851 | /* | |
852 | * We write the bitmap length now, but leave the bitmap and the attribute | |
853 | * buffer length to be backfilled at the end of this routine. | |
854 | */ | |
e75bc1c8 | 855 | *p++ = cpu_to_be32(2); |
1da177e4 LT |
856 | q = p; |
857 | p += 3; | |
858 | ||
859 | if (iap->ia_valid & ATTR_SIZE) { | |
860 | bmval0 |= FATTR4_WORD0_SIZE; | |
b95be5a9 | 861 | p = xdr_encode_hyper(p, iap->ia_size); |
1da177e4 LT |
862 | } |
863 | if (iap->ia_valid & ATTR_MODE) { | |
864 | bmval1 |= FATTR4_WORD1_MODE; | |
e75bc1c8 | 865 | *p++ = cpu_to_be32(iap->ia_mode & S_IALLUGO); |
1da177e4 LT |
866 | } |
867 | if (iap->ia_valid & ATTR_UID) { | |
868 | bmval1 |= FATTR4_WORD1_OWNER; | |
811652bd | 869 | p = xdr_encode_opaque(p, owner_name, owner_namelen); |
1da177e4 LT |
870 | } |
871 | if (iap->ia_valid & ATTR_GID) { | |
872 | bmval1 |= FATTR4_WORD1_OWNER_GROUP; | |
811652bd | 873 | p = xdr_encode_opaque(p, owner_group, owner_grouplen); |
1da177e4 LT |
874 | } |
875 | if (iap->ia_valid & ATTR_ATIME_SET) { | |
876 | bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET; | |
e75bc1c8 BH |
877 | *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); |
878 | *p++ = cpu_to_be32(0); | |
d3f6baaa TM |
879 | *p++ = cpu_to_be32(iap->ia_atime.tv_sec); |
880 | *p++ = cpu_to_be32(iap->ia_atime.tv_nsec); | |
1da177e4 LT |
881 | } |
882 | else if (iap->ia_valid & ATTR_ATIME) { | |
883 | bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET; | |
e75bc1c8 | 884 | *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); |
1da177e4 LT |
885 | } |
886 | if (iap->ia_valid & ATTR_MTIME_SET) { | |
887 | bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET; | |
e75bc1c8 BH |
888 | *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); |
889 | *p++ = cpu_to_be32(0); | |
890 | *p++ = cpu_to_be32(iap->ia_mtime.tv_sec); | |
891 | *p++ = cpu_to_be32(iap->ia_mtime.tv_nsec); | |
1da177e4 LT |
892 | } |
893 | else if (iap->ia_valid & ATTR_MTIME) { | |
894 | bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET; | |
e75bc1c8 | 895 | *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); |
1da177e4 | 896 | } |
6c0195a4 | 897 | |
1da177e4 LT |
898 | /* |
899 | * Now we backfill the bitmap and the attribute buffer length. | |
900 | */ | |
901 | if (len != ((char *)p - (char *)q) + 4) { | |
fe82a183 | 902 | printk(KERN_ERR "nfs: Attr length error, %u != %Zu\n", |
1da177e4 LT |
903 | len, ((char *)p - (char *)q) + 4); |
904 | BUG(); | |
905 | } | |
906 | len = (char *)p - (char *)q - 12; | |
907 | *q++ = htonl(bmval0); | |
908 | *q++ = htonl(bmval1); | |
34558513 | 909 | *q = htonl(len); |
1da177e4 | 910 | |
1da177e4 | 911 | /* out: */ |
1da177e4 LT |
912 | } |
913 | ||
cf8cdbe5 | 914 | static void encode_access(struct xdr_stream *xdr, u32 access, struct compound_hdr *hdr) |
1da177e4 | 915 | { |
8687b63a | 916 | __be32 *p; |
1da177e4 | 917 | |
13c65ce9 | 918 | p = reserve_space(xdr, 8); |
e75bc1c8 | 919 | *p++ = cpu_to_be32(OP_ACCESS); |
34558513 | 920 | *p = cpu_to_be32(access); |
d017931c | 921 | hdr->nops++; |
dadf0c27 | 922 | hdr->replen += decode_access_maxsz; |
1da177e4 LT |
923 | } |
924 | ||
cf8cdbe5 | 925 | static void encode_close(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) |
1da177e4 | 926 | { |
8687b63a | 927 | __be32 *p; |
1da177e4 | 928 | |
13c65ce9 | 929 | p = reserve_space(xdr, 8+NFS4_STATEID_SIZE); |
e75bc1c8 BH |
930 | *p++ = cpu_to_be32(OP_CLOSE); |
931 | *p++ = cpu_to_be32(arg->seqid->sequence->counter); | |
34558513 | 932 | xdr_encode_opaque_fixed(p, arg->stateid->data, NFS4_STATEID_SIZE); |
d017931c | 933 | hdr->nops++; |
dadf0c27 | 934 | hdr->replen += decode_close_maxsz; |
1da177e4 LT |
935 | } |
936 | ||
cf8cdbe5 | 937 | static void encode_commit(struct xdr_stream *xdr, const struct nfs_writeargs *args, struct compound_hdr *hdr) |
1da177e4 | 938 | { |
8687b63a | 939 | __be32 *p; |
6c0195a4 | 940 | |
13c65ce9 | 941 | p = reserve_space(xdr, 16); |
e75bc1c8 | 942 | *p++ = cpu_to_be32(OP_COMMIT); |
b95be5a9 | 943 | p = xdr_encode_hyper(p, args->offset); |
34558513 | 944 | *p = cpu_to_be32(args->count); |
d017931c | 945 | hdr->nops++; |
dadf0c27 | 946 | hdr->replen += decode_commit_maxsz; |
1da177e4 LT |
947 | } |
948 | ||
cf8cdbe5 | 949 | static void encode_create(struct xdr_stream *xdr, const struct nfs4_create_arg *create, struct compound_hdr *hdr) |
1da177e4 | 950 | { |
8687b63a | 951 | __be32 *p; |
6c0195a4 | 952 | |
13c65ce9 | 953 | p = reserve_space(xdr, 8); |
e75bc1c8 | 954 | *p++ = cpu_to_be32(OP_CREATE); |
34558513 | 955 | *p = cpu_to_be32(create->ftype); |
1da177e4 LT |
956 | |
957 | switch (create->ftype) { | |
958 | case NF4LNK: | |
13c65ce9 | 959 | p = reserve_space(xdr, 4); |
34558513 | 960 | *p = cpu_to_be32(create->u.symlink.len); |
94a6d753 | 961 | xdr_write_pages(xdr, create->u.symlink.pages, 0, create->u.symlink.len); |
1da177e4 LT |
962 | break; |
963 | ||
964 | case NF4BLK: case NF4CHR: | |
13c65ce9 | 965 | p = reserve_space(xdr, 8); |
e75bc1c8 | 966 | *p++ = cpu_to_be32(create->u.device.specdata1); |
34558513 | 967 | *p = cpu_to_be32(create->u.device.specdata2); |
1da177e4 LT |
968 | break; |
969 | ||
970 | default: | |
971 | break; | |
972 | } | |
973 | ||
811652bd | 974 | encode_string(xdr, create->name->len, create->name->name); |
d017931c | 975 | hdr->nops++; |
dadf0c27 | 976 | hdr->replen += decode_create_maxsz; |
1da177e4 | 977 | |
cf8cdbe5 | 978 | encode_attrs(xdr, create->attrs, create->server); |
1da177e4 LT |
979 | } |
980 | ||
cf8cdbe5 | 981 | static void encode_getattr_one(struct xdr_stream *xdr, uint32_t bitmap, struct compound_hdr *hdr) |
1da177e4 | 982 | { |
05d564fe | 983 | __be32 *p; |
1da177e4 | 984 | |
13c65ce9 | 985 | p = reserve_space(xdr, 12); |
e75bc1c8 BH |
986 | *p++ = cpu_to_be32(OP_GETATTR); |
987 | *p++ = cpu_to_be32(1); | |
34558513 | 988 | *p = cpu_to_be32(bitmap); |
d017931c | 989 | hdr->nops++; |
dadf0c27 | 990 | hdr->replen += decode_getattr_maxsz; |
1da177e4 LT |
991 | } |
992 | ||
cf8cdbe5 | 993 | static void encode_getattr_two(struct xdr_stream *xdr, uint32_t bm0, uint32_t bm1, struct compound_hdr *hdr) |
1da177e4 | 994 | { |
05d564fe | 995 | __be32 *p; |
1da177e4 | 996 | |
13c65ce9 | 997 | p = reserve_space(xdr, 16); |
e75bc1c8 BH |
998 | *p++ = cpu_to_be32(OP_GETATTR); |
999 | *p++ = cpu_to_be32(2); | |
1000 | *p++ = cpu_to_be32(bm0); | |
34558513 | 1001 | *p = cpu_to_be32(bm1); |
d017931c | 1002 | hdr->nops++; |
dadf0c27 | 1003 | hdr->replen += decode_getattr_maxsz; |
1da177e4 LT |
1004 | } |
1005 | ||
cf8cdbe5 | 1006 | static void encode_getfattr(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
1da177e4 | 1007 | { |
cf8cdbe5 AA |
1008 | encode_getattr_two(xdr, bitmask[0] & nfs4_fattr_bitmap[0], |
1009 | bitmask[1] & nfs4_fattr_bitmap[1], hdr); | |
1da177e4 LT |
1010 | } |
1011 | ||
cf8cdbe5 | 1012 | static void encode_fsinfo(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
1da177e4 | 1013 | { |
cf8cdbe5 AA |
1014 | encode_getattr_two(xdr, bitmask[0] & nfs4_fsinfo_bitmap[0], |
1015 | bitmask[1] & nfs4_fsinfo_bitmap[1], hdr); | |
1da177e4 LT |
1016 | } |
1017 | ||
cf8cdbe5 | 1018 | static void encode_fs_locations(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
830b8e33 | 1019 | { |
cf8cdbe5 AA |
1020 | encode_getattr_two(xdr, bitmask[0] & nfs4_fs_locations_bitmap[0], |
1021 | bitmask[1] & nfs4_fs_locations_bitmap[1], hdr); | |
830b8e33 MN |
1022 | } |
1023 | ||
cf8cdbe5 | 1024 | static void encode_getfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1025 | { |
8687b63a | 1026 | __be32 *p; |
1da177e4 | 1027 | |
13c65ce9 | 1028 | p = reserve_space(xdr, 4); |
34558513 | 1029 | *p = cpu_to_be32(OP_GETFH); |
d017931c | 1030 | hdr->nops++; |
dadf0c27 | 1031 | hdr->replen += decode_getfh_maxsz; |
1da177e4 LT |
1032 | } |
1033 | ||
cf8cdbe5 | 1034 | static void encode_link(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1035 | { |
8687b63a | 1036 | __be32 *p; |
1da177e4 | 1037 | |
13c65ce9 | 1038 | p = reserve_space(xdr, 8 + name->len); |
e75bc1c8 | 1039 | *p++ = cpu_to_be32(OP_LINK); |
811652bd | 1040 | xdr_encode_opaque(p, name->name, name->len); |
d017931c | 1041 | hdr->nops++; |
dadf0c27 | 1042 | hdr->replen += decode_link_maxsz; |
1da177e4 LT |
1043 | } |
1044 | ||
911d1aaf TM |
1045 | static inline int nfs4_lock_type(struct file_lock *fl, int block) |
1046 | { | |
1047 | if ((fl->fl_type & (F_RDLCK|F_WRLCK|F_UNLCK)) == F_RDLCK) | |
1048 | return block ? NFS4_READW_LT : NFS4_READ_LT; | |
1049 | return block ? NFS4_WRITEW_LT : NFS4_WRITE_LT; | |
1050 | } | |
1051 | ||
1052 | static inline uint64_t nfs4_lock_length(struct file_lock *fl) | |
1053 | { | |
1054 | if (fl->fl_end == OFFSET_MAX) | |
1055 | return ~(uint64_t)0; | |
1056 | return fl->fl_end - fl->fl_start + 1; | |
1057 | } | |
1058 | ||
daccbded TM |
1059 | static void encode_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner) |
1060 | { | |
1061 | __be32 *p; | |
1062 | ||
1063 | p = reserve_space(xdr, 28); | |
1064 | p = xdr_encode_hyper(p, lowner->clientid); | |
1065 | *p++ = cpu_to_be32(16); | |
1066 | p = xdr_encode_opaque_fixed(p, "lock id:", 8); | |
1067 | xdr_encode_hyper(p, lowner->id); | |
1068 | } | |
1069 | ||
1da177e4 LT |
1070 | /* |
1071 | * opcode,type,reclaim,offset,length,new_lock_owner = 32 | |
1072 | * open_seqid,open_stateid,lock_seqid,lock_owner.clientid, lock_owner.id = 40 | |
1073 | */ | |
cf8cdbe5 | 1074 | static void encode_lock(struct xdr_stream *xdr, const struct nfs_lock_args *args, struct compound_hdr *hdr) |
1da177e4 | 1075 | { |
8687b63a | 1076 | __be32 *p; |
1da177e4 | 1077 | |
13c65ce9 | 1078 | p = reserve_space(xdr, 32); |
e75bc1c8 BH |
1079 | *p++ = cpu_to_be32(OP_LOCK); |
1080 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, args->block)); | |
1081 | *p++ = cpu_to_be32(args->reclaim); | |
b95be5a9 BH |
1082 | p = xdr_encode_hyper(p, args->fl->fl_start); |
1083 | p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); | |
34558513 | 1084 | *p = cpu_to_be32(args->new_lock_owner); |
911d1aaf | 1085 | if (args->new_lock_owner){ |
daccbded | 1086 | p = reserve_space(xdr, 4+NFS4_STATEID_SIZE+4); |
e75bc1c8 | 1087 | *p++ = cpu_to_be32(args->open_seqid->sequence->counter); |
93f0cf25 | 1088 | p = xdr_encode_opaque_fixed(p, args->open_stateid->data, NFS4_STATEID_SIZE); |
e75bc1c8 | 1089 | *p++ = cpu_to_be32(args->lock_seqid->sequence->counter); |
daccbded | 1090 | encode_lockowner(xdr, &args->lock_owner); |
1da177e4 LT |
1091 | } |
1092 | else { | |
13c65ce9 | 1093 | p = reserve_space(xdr, NFS4_STATEID_SIZE+4); |
93f0cf25 | 1094 | p = xdr_encode_opaque_fixed(p, args->lock_stateid->data, NFS4_STATEID_SIZE); |
34558513 | 1095 | *p = cpu_to_be32(args->lock_seqid->sequence->counter); |
1da177e4 | 1096 | } |
d017931c | 1097 | hdr->nops++; |
dadf0c27 | 1098 | hdr->replen += decode_lock_maxsz; |
1da177e4 LT |
1099 | } |
1100 | ||
cf8cdbe5 | 1101 | static void encode_lockt(struct xdr_stream *xdr, const struct nfs_lockt_args *args, struct compound_hdr *hdr) |
1da177e4 | 1102 | { |
8687b63a | 1103 | __be32 *p; |
1da177e4 | 1104 | |
daccbded | 1105 | p = reserve_space(xdr, 24); |
e75bc1c8 BH |
1106 | *p++ = cpu_to_be32(OP_LOCKT); |
1107 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, 0)); | |
b95be5a9 BH |
1108 | p = xdr_encode_hyper(p, args->fl->fl_start); |
1109 | p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); | |
daccbded | 1110 | encode_lockowner(xdr, &args->lock_owner); |
d017931c | 1111 | hdr->nops++; |
dadf0c27 | 1112 | hdr->replen += decode_lockt_maxsz; |
1da177e4 LT |
1113 | } |
1114 | ||
cf8cdbe5 | 1115 | static void encode_locku(struct xdr_stream *xdr, const struct nfs_locku_args *args, struct compound_hdr *hdr) |
1da177e4 | 1116 | { |
8687b63a | 1117 | __be32 *p; |
1da177e4 | 1118 | |
13c65ce9 | 1119 | p = reserve_space(xdr, 12+NFS4_STATEID_SIZE+16); |
e75bc1c8 BH |
1120 | *p++ = cpu_to_be32(OP_LOCKU); |
1121 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, 0)); | |
1122 | *p++ = cpu_to_be32(args->seqid->sequence->counter); | |
93f0cf25 | 1123 | p = xdr_encode_opaque_fixed(p, args->stateid->data, NFS4_STATEID_SIZE); |
b95be5a9 | 1124 | p = xdr_encode_hyper(p, args->fl->fl_start); |
34558513 | 1125 | xdr_encode_hyper(p, nfs4_lock_length(args->fl)); |
d017931c | 1126 | hdr->nops++; |
dadf0c27 | 1127 | hdr->replen += decode_locku_maxsz; |
1da177e4 LT |
1128 | } |
1129 | ||
d3c7b7cc TM |
1130 | static void encode_release_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner, struct compound_hdr *hdr) |
1131 | { | |
1132 | __be32 *p; | |
1133 | ||
1134 | p = reserve_space(xdr, 4); | |
1135 | *p = cpu_to_be32(OP_RELEASE_LOCKOWNER); | |
1136 | encode_lockowner(xdr, lowner); | |
1137 | hdr->nops++; | |
1138 | hdr->replen += decode_release_lockowner_maxsz; | |
1139 | } | |
1140 | ||
cf8cdbe5 | 1141 | static void encode_lookup(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 LT |
1142 | { |
1143 | int len = name->len; | |
8687b63a | 1144 | __be32 *p; |
1da177e4 | 1145 | |
13c65ce9 | 1146 | p = reserve_space(xdr, 8 + len); |
e75bc1c8 | 1147 | *p++ = cpu_to_be32(OP_LOOKUP); |
811652bd | 1148 | xdr_encode_opaque(p, name->name, len); |
d017931c | 1149 | hdr->nops++; |
dadf0c27 | 1150 | hdr->replen += decode_lookup_maxsz; |
1da177e4 LT |
1151 | } |
1152 | ||
dc0b027d | 1153 | static void encode_share_access(struct xdr_stream *xdr, fmode_t fmode) |
1da177e4 | 1154 | { |
8687b63a | 1155 | __be32 *p; |
1da177e4 | 1156 | |
13c65ce9 | 1157 | p = reserve_space(xdr, 8); |
dc0b027d | 1158 | switch (fmode & (FMODE_READ|FMODE_WRITE)) { |
05d564fe | 1159 | case FMODE_READ: |
e75bc1c8 | 1160 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_READ); |
05d564fe AA |
1161 | break; |
1162 | case FMODE_WRITE: | |
e75bc1c8 | 1163 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_WRITE); |
05d564fe AA |
1164 | break; |
1165 | case FMODE_READ|FMODE_WRITE: | |
e75bc1c8 | 1166 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_BOTH); |
05d564fe AA |
1167 | break; |
1168 | default: | |
e75bc1c8 | 1169 | *p++ = cpu_to_be32(0); |
1da177e4 | 1170 | } |
34558513 | 1171 | *p = cpu_to_be32(0); /* for linux, share_deny = 0 always */ |
1da177e4 LT |
1172 | } |
1173 | ||
1174 | static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1175 | { | |
8687b63a | 1176 | __be32 *p; |
1da177e4 LT |
1177 | /* |
1178 | * opcode 4, seqid 4, share_access 4, share_deny 4, clientid 8, ownerlen 4, | |
1179 | * owner 4 = 32 | |
1180 | */ | |
13c65ce9 | 1181 | p = reserve_space(xdr, 8); |
e75bc1c8 | 1182 | *p++ = cpu_to_be32(OP_OPEN); |
34558513 | 1183 | *p = cpu_to_be32(arg->seqid->sequence->counter); |
dc0b027d | 1184 | encode_share_access(xdr, arg->fmode); |
13c65ce9 | 1185 | p = reserve_space(xdr, 28); |
b95be5a9 | 1186 | p = xdr_encode_hyper(p, arg->clientid); |
e75bc1c8 | 1187 | *p++ = cpu_to_be32(16); |
93f0cf25 | 1188 | p = xdr_encode_opaque_fixed(p, "open id:", 8); |
34558513 | 1189 | xdr_encode_hyper(p, arg->id); |
1da177e4 LT |
1190 | } |
1191 | ||
1192 | static inline void encode_createmode(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1193 | { | |
8687b63a | 1194 | __be32 *p; |
4882ef72 | 1195 | struct nfs_client *clp; |
1da177e4 | 1196 | |
13c65ce9 | 1197 | p = reserve_space(xdr, 4); |
1da177e4 | 1198 | switch(arg->open_flags & O_EXCL) { |
05d564fe | 1199 | case 0: |
34558513 | 1200 | *p = cpu_to_be32(NFS4_CREATE_UNCHECKED); |
05d564fe AA |
1201 | encode_attrs(xdr, arg->u.attrs, arg->server); |
1202 | break; | |
1203 | default: | |
4882ef72 | 1204 | clp = arg->server->nfs_client; |
a4432345 | 1205 | if (clp->cl_mvops->minor_version > 0) { |
4882ef72 AB |
1206 | if (nfs4_has_persistent_session(clp)) { |
1207 | *p = cpu_to_be32(NFS4_CREATE_GUARDED); | |
1208 | encode_attrs(xdr, arg->u.attrs, arg->server); | |
1209 | } else { | |
1210 | struct iattr dummy; | |
1211 | ||
1212 | *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE4_1); | |
1213 | encode_nfs4_verifier(xdr, &arg->u.verifier); | |
1214 | dummy.ia_valid = 0; | |
1215 | encode_attrs(xdr, &dummy, arg->server); | |
1216 | } | |
1217 | } else { | |
1218 | *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE); | |
1219 | encode_nfs4_verifier(xdr, &arg->u.verifier); | |
1220 | } | |
1da177e4 LT |
1221 | } |
1222 | } | |
1223 | ||
1224 | static void encode_opentype(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1225 | { | |
8687b63a | 1226 | __be32 *p; |
1da177e4 | 1227 | |
13c65ce9 | 1228 | p = reserve_space(xdr, 4); |
1da177e4 | 1229 | switch (arg->open_flags & O_CREAT) { |
05d564fe | 1230 | case 0: |
34558513 | 1231 | *p = cpu_to_be32(NFS4_OPEN_NOCREATE); |
05d564fe AA |
1232 | break; |
1233 | default: | |
1234 | BUG_ON(arg->claim != NFS4_OPEN_CLAIM_NULL); | |
34558513 | 1235 | *p = cpu_to_be32(NFS4_OPEN_CREATE); |
05d564fe | 1236 | encode_createmode(xdr, arg); |
1da177e4 LT |
1237 | } |
1238 | } | |
1239 | ||
bd7bf9d5 | 1240 | static inline void encode_delegation_type(struct xdr_stream *xdr, fmode_t delegation_type) |
1da177e4 | 1241 | { |
8687b63a | 1242 | __be32 *p; |
1da177e4 | 1243 | |
13c65ce9 | 1244 | p = reserve_space(xdr, 4); |
1da177e4 | 1245 | switch (delegation_type) { |
05d564fe | 1246 | case 0: |
34558513 | 1247 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_NONE); |
05d564fe AA |
1248 | break; |
1249 | case FMODE_READ: | |
34558513 | 1250 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_READ); |
05d564fe AA |
1251 | break; |
1252 | case FMODE_WRITE|FMODE_READ: | |
34558513 | 1253 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_WRITE); |
05d564fe AA |
1254 | break; |
1255 | default: | |
1256 | BUG(); | |
1da177e4 LT |
1257 | } |
1258 | } | |
1259 | ||
1260 | static inline void encode_claim_null(struct xdr_stream *xdr, const struct qstr *name) | |
1261 | { | |
8687b63a | 1262 | __be32 *p; |
1da177e4 | 1263 | |
13c65ce9 | 1264 | p = reserve_space(xdr, 4); |
34558513 | 1265 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_NULL); |
1da177e4 LT |
1266 | encode_string(xdr, name->len, name->name); |
1267 | } | |
1268 | ||
bd7bf9d5 | 1269 | static inline void encode_claim_previous(struct xdr_stream *xdr, fmode_t type) |
1da177e4 | 1270 | { |
8687b63a | 1271 | __be32 *p; |
1da177e4 | 1272 | |
13c65ce9 | 1273 | p = reserve_space(xdr, 4); |
34558513 | 1274 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_PREVIOUS); |
1da177e4 LT |
1275 | encode_delegation_type(xdr, type); |
1276 | } | |
1277 | ||
1278 | static inline void encode_claim_delegate_cur(struct xdr_stream *xdr, const struct qstr *name, const nfs4_stateid *stateid) | |
1279 | { | |
8687b63a | 1280 | __be32 *p; |
1da177e4 | 1281 | |
13c65ce9 | 1282 | p = reserve_space(xdr, 4+NFS4_STATEID_SIZE); |
e75bc1c8 | 1283 | *p++ = cpu_to_be32(NFS4_OPEN_CLAIM_DELEGATE_CUR); |
34558513 | 1284 | xdr_encode_opaque_fixed(p, stateid->data, NFS4_STATEID_SIZE); |
1da177e4 LT |
1285 | encode_string(xdr, name->len, name->name); |
1286 | } | |
1287 | ||
cf8cdbe5 | 1288 | static void encode_open(struct xdr_stream *xdr, const struct nfs_openargs *arg, struct compound_hdr *hdr) |
1da177e4 LT |
1289 | { |
1290 | encode_openhdr(xdr, arg); | |
1291 | encode_opentype(xdr, arg); | |
1292 | switch (arg->claim) { | |
05d564fe AA |
1293 | case NFS4_OPEN_CLAIM_NULL: |
1294 | encode_claim_null(xdr, arg->name); | |
1295 | break; | |
1296 | case NFS4_OPEN_CLAIM_PREVIOUS: | |
1297 | encode_claim_previous(xdr, arg->u.delegation_type); | |
1298 | break; | |
1299 | case NFS4_OPEN_CLAIM_DELEGATE_CUR: | |
1300 | encode_claim_delegate_cur(xdr, arg->name, &arg->u.delegation); | |
1301 | break; | |
1302 | default: | |
1303 | BUG(); | |
1da177e4 | 1304 | } |
d017931c | 1305 | hdr->nops++; |
dadf0c27 | 1306 | hdr->replen += decode_open_maxsz; |
1da177e4 LT |
1307 | } |
1308 | ||
cf8cdbe5 | 1309 | static void encode_open_confirm(struct xdr_stream *xdr, const struct nfs_open_confirmargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1310 | { |
8687b63a | 1311 | __be32 *p; |
1da177e4 | 1312 | |
13c65ce9 | 1313 | p = reserve_space(xdr, 4+NFS4_STATEID_SIZE+4); |
e75bc1c8 | 1314 | *p++ = cpu_to_be32(OP_OPEN_CONFIRM); |
93f0cf25 | 1315 | p = xdr_encode_opaque_fixed(p, arg->stateid->data, NFS4_STATEID_SIZE); |
34558513 | 1316 | *p = cpu_to_be32(arg->seqid->sequence->counter); |
d017931c | 1317 | hdr->nops++; |
dadf0c27 | 1318 | hdr->replen += decode_open_confirm_maxsz; |
1da177e4 LT |
1319 | } |
1320 | ||
cf8cdbe5 | 1321 | static void encode_open_downgrade(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1322 | { |
8687b63a | 1323 | __be32 *p; |
1da177e4 | 1324 | |
13c65ce9 | 1325 | p = reserve_space(xdr, 4+NFS4_STATEID_SIZE+4); |
e75bc1c8 | 1326 | *p++ = cpu_to_be32(OP_OPEN_DOWNGRADE); |
93f0cf25 | 1327 | p = xdr_encode_opaque_fixed(p, arg->stateid->data, NFS4_STATEID_SIZE); |
34558513 | 1328 | *p = cpu_to_be32(arg->seqid->sequence->counter); |
dc0b027d | 1329 | encode_share_access(xdr, arg->fmode); |
d017931c | 1330 | hdr->nops++; |
dadf0c27 | 1331 | hdr->replen += decode_open_downgrade_maxsz; |
1da177e4 LT |
1332 | } |
1333 | ||
cf8cdbe5 | 1334 | static void |
d017931c | 1335 | encode_putfh(struct xdr_stream *xdr, const struct nfs_fh *fh, struct compound_hdr *hdr) |
1da177e4 LT |
1336 | { |
1337 | int len = fh->size; | |
8687b63a | 1338 | __be32 *p; |
1da177e4 | 1339 | |
13c65ce9 | 1340 | p = reserve_space(xdr, 8 + len); |
e75bc1c8 | 1341 | *p++ = cpu_to_be32(OP_PUTFH); |
811652bd | 1342 | xdr_encode_opaque(p, fh->data, len); |
d017931c | 1343 | hdr->nops++; |
dadf0c27 | 1344 | hdr->replen += decode_putfh_maxsz; |
1da177e4 LT |
1345 | } |
1346 | ||
cf8cdbe5 | 1347 | static void encode_putrootfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1348 | { |
05d564fe | 1349 | __be32 *p; |
6c0195a4 | 1350 | |
13c65ce9 | 1351 | p = reserve_space(xdr, 4); |
34558513 | 1352 | *p = cpu_to_be32(OP_PUTROOTFH); |
d017931c | 1353 | hdr->nops++; |
dadf0c27 | 1354 | hdr->replen += decode_putrootfh_maxsz; |
1da177e4 LT |
1355 | } |
1356 | ||
f11ac8db | 1357 | static void encode_stateid(struct xdr_stream *xdr, const struct nfs_open_context *ctx, const struct nfs_lock_context *l_ctx) |
1da177e4 | 1358 | { |
1da177e4 | 1359 | nfs4_stateid stateid; |
8687b63a | 1360 | __be32 *p; |
1da177e4 | 1361 | |
13c65ce9 | 1362 | p = reserve_space(xdr, NFS4_STATEID_SIZE); |
1da177e4 | 1363 | if (ctx->state != NULL) { |
77041ed9 | 1364 | nfs4_copy_stateid(&stateid, ctx->state, l_ctx->lockowner, l_ctx->pid); |
34558513 | 1365 | xdr_encode_opaque_fixed(p, stateid.data, NFS4_STATEID_SIZE); |
1da177e4 | 1366 | } else |
34558513 | 1367 | xdr_encode_opaque_fixed(p, zero_stateid.data, NFS4_STATEID_SIZE); |
1da177e4 LT |
1368 | } |
1369 | ||
cf8cdbe5 | 1370 | static void encode_read(struct xdr_stream *xdr, const struct nfs_readargs *args, struct compound_hdr *hdr) |
1da177e4 | 1371 | { |
8687b63a | 1372 | __be32 *p; |
1da177e4 | 1373 | |
13c65ce9 | 1374 | p = reserve_space(xdr, 4); |
34558513 | 1375 | *p = cpu_to_be32(OP_READ); |
1da177e4 | 1376 | |
f11ac8db | 1377 | encode_stateid(xdr, args->context, args->lock_context); |
1da177e4 | 1378 | |
13c65ce9 | 1379 | p = reserve_space(xdr, 12); |
b95be5a9 | 1380 | p = xdr_encode_hyper(p, args->offset); |
34558513 | 1381 | *p = cpu_to_be32(args->count); |
d017931c | 1382 | hdr->nops++; |
dadf0c27 | 1383 | hdr->replen += decode_read_maxsz; |
1da177e4 LT |
1384 | } |
1385 | ||
cf8cdbe5 | 1386 | static void encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg *readdir, struct rpc_rqst *req, struct compound_hdr *hdr) |
1da177e4 | 1387 | { |
97d312d0 MN |
1388 | uint32_t attrs[2] = { |
1389 | FATTR4_WORD0_RDATTR_ERROR|FATTR4_WORD0_FILEID, | |
1390 | FATTR4_WORD1_MOUNTED_ON_FILEID, | |
1391 | }; | |
8687b63a | 1392 | __be32 *p; |
1da177e4 | 1393 | |
13c65ce9 | 1394 | p = reserve_space(xdr, 12+NFS4_VERIFIER_SIZE+20); |
e75bc1c8 | 1395 | *p++ = cpu_to_be32(OP_READDIR); |
b95be5a9 | 1396 | p = xdr_encode_hyper(p, readdir->cookie); |
93f0cf25 | 1397 | p = xdr_encode_opaque_fixed(p, readdir->verifier.data, NFS4_VERIFIER_SIZE); |
e75bc1c8 BH |
1398 | *p++ = cpu_to_be32(readdir->count >> 1); /* We're not doing readdirplus */ |
1399 | *p++ = cpu_to_be32(readdir->count); | |
1400 | *p++ = cpu_to_be32(2); | |
97d312d0 MN |
1401 | /* Switch to mounted_on_fileid if the server supports it */ |
1402 | if (readdir->bitmask[1] & FATTR4_WORD1_MOUNTED_ON_FILEID) | |
1403 | attrs[0] &= ~FATTR4_WORD0_FILEID; | |
1404 | else | |
1405 | attrs[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID; | |
e75bc1c8 | 1406 | *p++ = cpu_to_be32(attrs[0] & readdir->bitmask[0]); |
34558513 | 1407 | *p = cpu_to_be32(attrs[1] & readdir->bitmask[1]); |
d017931c | 1408 | hdr->nops++; |
dadf0c27 | 1409 | hdr->replen += decode_readdir_maxsz; |
44109241 FI |
1410 | dprintk("%s: cookie = %Lu, verifier = %08x:%08x, bitmap = %08x:%08x\n", |
1411 | __func__, | |
eadf4598 TM |
1412 | (unsigned long long)readdir->cookie, |
1413 | ((u32 *)readdir->verifier.data)[0], | |
1414 | ((u32 *)readdir->verifier.data)[1], | |
1415 | attrs[0] & readdir->bitmask[0], | |
1416 | attrs[1] & readdir->bitmask[1]); | |
1da177e4 LT |
1417 | } |
1418 | ||
cf8cdbe5 | 1419 | static void encode_readlink(struct xdr_stream *xdr, const struct nfs4_readlink *readlink, struct rpc_rqst *req, struct compound_hdr *hdr) |
1da177e4 | 1420 | { |
8687b63a | 1421 | __be32 *p; |
1da177e4 | 1422 | |
13c65ce9 | 1423 | p = reserve_space(xdr, 4); |
34558513 | 1424 | *p = cpu_to_be32(OP_READLINK); |
d017931c | 1425 | hdr->nops++; |
dadf0c27 | 1426 | hdr->replen += decode_readlink_maxsz; |
1da177e4 LT |
1427 | } |
1428 | ||
cf8cdbe5 | 1429 | static void encode_remove(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1430 | { |
8687b63a | 1431 | __be32 *p; |
1da177e4 | 1432 | |
13c65ce9 | 1433 | p = reserve_space(xdr, 8 + name->len); |
e75bc1c8 | 1434 | *p++ = cpu_to_be32(OP_REMOVE); |
811652bd | 1435 | xdr_encode_opaque(p, name->name, name->len); |
d017931c | 1436 | hdr->nops++; |
dadf0c27 | 1437 | hdr->replen += decode_remove_maxsz; |
1da177e4 LT |
1438 | } |
1439 | ||
cf8cdbe5 | 1440 | static void encode_rename(struct xdr_stream *xdr, const struct qstr *oldname, const struct qstr *newname, struct compound_hdr *hdr) |
1da177e4 | 1441 | { |
8687b63a | 1442 | __be32 *p; |
1da177e4 | 1443 | |
811652bd BH |
1444 | p = reserve_space(xdr, 4); |
1445 | *p = cpu_to_be32(OP_RENAME); | |
1446 | encode_string(xdr, oldname->len, oldname->name); | |
1447 | encode_string(xdr, newname->len, newname->name); | |
d017931c | 1448 | hdr->nops++; |
dadf0c27 | 1449 | hdr->replen += decode_rename_maxsz; |
1da177e4 LT |
1450 | } |
1451 | ||
cf8cdbe5 | 1452 | static void encode_renew(struct xdr_stream *xdr, const struct nfs_client *client_stateid, struct compound_hdr *hdr) |
1da177e4 | 1453 | { |
8687b63a | 1454 | __be32 *p; |
1da177e4 | 1455 | |
13c65ce9 | 1456 | p = reserve_space(xdr, 12); |
e75bc1c8 | 1457 | *p++ = cpu_to_be32(OP_RENEW); |
34558513 | 1458 | xdr_encode_hyper(p, client_stateid->cl_clientid); |
d017931c | 1459 | hdr->nops++; |
dadf0c27 | 1460 | hdr->replen += decode_renew_maxsz; |
1da177e4 LT |
1461 | } |
1462 | ||
cf8cdbe5 | 1463 | static void |
d017931c | 1464 | encode_restorefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
56ae19f3 | 1465 | { |
8687b63a | 1466 | __be32 *p; |
56ae19f3 | 1467 | |
13c65ce9 | 1468 | p = reserve_space(xdr, 4); |
34558513 | 1469 | *p = cpu_to_be32(OP_RESTOREFH); |
d017931c | 1470 | hdr->nops++; |
dadf0c27 | 1471 | hdr->replen += decode_restorefh_maxsz; |
56ae19f3 TM |
1472 | } |
1473 | ||
23ec6965 | 1474 | static int |
d017931c | 1475 | encode_setacl(struct xdr_stream *xdr, struct nfs_setaclargs *arg, struct compound_hdr *hdr) |
23ec6965 | 1476 | { |
8687b63a | 1477 | __be32 *p; |
23ec6965 | 1478 | |
13c65ce9 | 1479 | p = reserve_space(xdr, 4+NFS4_STATEID_SIZE); |
e75bc1c8 | 1480 | *p++ = cpu_to_be32(OP_SETATTR); |
34558513 | 1481 | xdr_encode_opaque_fixed(p, zero_stateid.data, NFS4_STATEID_SIZE); |
13c65ce9 | 1482 | p = reserve_space(xdr, 2*4); |
e75bc1c8 | 1483 | *p++ = cpu_to_be32(1); |
34558513 | 1484 | *p = cpu_to_be32(FATTR4_WORD0_ACL); |
23ec6965 BF |
1485 | if (arg->acl_len % 4) |
1486 | return -EINVAL; | |
13c65ce9 | 1487 | p = reserve_space(xdr, 4); |
34558513 | 1488 | *p = cpu_to_be32(arg->acl_len); |
23ec6965 | 1489 | xdr_write_pages(xdr, arg->acl_pages, arg->acl_pgbase, arg->acl_len); |
d017931c | 1490 | hdr->nops++; |
dadf0c27 | 1491 | hdr->replen += decode_setacl_maxsz; |
23ec6965 BF |
1492 | return 0; |
1493 | } | |
1494 | ||
cf8cdbe5 | 1495 | static void |
d017931c | 1496 | encode_savefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1497 | { |
8687b63a | 1498 | __be32 *p; |
1da177e4 | 1499 | |
13c65ce9 | 1500 | p = reserve_space(xdr, 4); |
34558513 | 1501 | *p = cpu_to_be32(OP_SAVEFH); |
d017931c | 1502 | hdr->nops++; |
dadf0c27 | 1503 | hdr->replen += decode_savefh_maxsz; |
1da177e4 LT |
1504 | } |
1505 | ||
cf8cdbe5 | 1506 | static void encode_setattr(struct xdr_stream *xdr, const struct nfs_setattrargs *arg, const struct nfs_server *server, struct compound_hdr *hdr) |
1da177e4 | 1507 | { |
8687b63a | 1508 | __be32 *p; |
6c0195a4 | 1509 | |
13c65ce9 | 1510 | p = reserve_space(xdr, 4+NFS4_STATEID_SIZE); |
e75bc1c8 | 1511 | *p++ = cpu_to_be32(OP_SETATTR); |
34558513 | 1512 | xdr_encode_opaque_fixed(p, arg->stateid.data, NFS4_STATEID_SIZE); |
d017931c | 1513 | hdr->nops++; |
dadf0c27 | 1514 | hdr->replen += decode_setattr_maxsz; |
cf8cdbe5 | 1515 | encode_attrs(xdr, arg->iap, server); |
1da177e4 LT |
1516 | } |
1517 | ||
cf8cdbe5 | 1518 | static void encode_setclientid(struct xdr_stream *xdr, const struct nfs4_setclientid *setclientid, struct compound_hdr *hdr) |
1da177e4 | 1519 | { |
8687b63a | 1520 | __be32 *p; |
1da177e4 | 1521 | |
13c65ce9 | 1522 | p = reserve_space(xdr, 4 + NFS4_VERIFIER_SIZE); |
e75bc1c8 | 1523 | *p++ = cpu_to_be32(OP_SETCLIENTID); |
34558513 | 1524 | xdr_encode_opaque_fixed(p, setclientid->sc_verifier->data, NFS4_VERIFIER_SIZE); |
1da177e4 LT |
1525 | |
1526 | encode_string(xdr, setclientid->sc_name_len, setclientid->sc_name); | |
13c65ce9 | 1527 | p = reserve_space(xdr, 4); |
34558513 | 1528 | *p = cpu_to_be32(setclientid->sc_prog); |
1da177e4 LT |
1529 | encode_string(xdr, setclientid->sc_netid_len, setclientid->sc_netid); |
1530 | encode_string(xdr, setclientid->sc_uaddr_len, setclientid->sc_uaddr); | |
13c65ce9 | 1531 | p = reserve_space(xdr, 4); |
34558513 | 1532 | *p = cpu_to_be32(setclientid->sc_cb_ident); |
d017931c | 1533 | hdr->nops++; |
dadf0c27 | 1534 | hdr->replen += decode_setclientid_maxsz; |
1da177e4 LT |
1535 | } |
1536 | ||
bb8b27e5 | 1537 | static void encode_setclientid_confirm(struct xdr_stream *xdr, const struct nfs4_setclientid_res *arg, struct compound_hdr *hdr) |
1da177e4 | 1538 | { |
05d564fe | 1539 | __be32 *p; |
1da177e4 | 1540 | |
13c65ce9 | 1541 | p = reserve_space(xdr, 12 + NFS4_VERIFIER_SIZE); |
e75bc1c8 | 1542 | *p++ = cpu_to_be32(OP_SETCLIENTID_CONFIRM); |
bb8b27e5 TM |
1543 | p = xdr_encode_hyper(p, arg->clientid); |
1544 | xdr_encode_opaque_fixed(p, arg->confirm.data, NFS4_VERIFIER_SIZE); | |
d017931c | 1545 | hdr->nops++; |
dadf0c27 | 1546 | hdr->replen += decode_setclientid_confirm_maxsz; |
1da177e4 LT |
1547 | } |
1548 | ||
cf8cdbe5 | 1549 | static void encode_write(struct xdr_stream *xdr, const struct nfs_writeargs *args, struct compound_hdr *hdr) |
1da177e4 | 1550 | { |
8687b63a | 1551 | __be32 *p; |
1da177e4 | 1552 | |
13c65ce9 | 1553 | p = reserve_space(xdr, 4); |
34558513 | 1554 | *p = cpu_to_be32(OP_WRITE); |
1da177e4 | 1555 | |
f11ac8db | 1556 | encode_stateid(xdr, args->context, args->lock_context); |
1da177e4 | 1557 | |
13c65ce9 | 1558 | p = reserve_space(xdr, 16); |
b95be5a9 | 1559 | p = xdr_encode_hyper(p, args->offset); |
e75bc1c8 | 1560 | *p++ = cpu_to_be32(args->stable); |
34558513 | 1561 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1562 | |
1563 | xdr_write_pages(xdr, args->pages, args->pgbase, args->count); | |
d017931c | 1564 | hdr->nops++; |
dadf0c27 | 1565 | hdr->replen += decode_write_maxsz; |
1da177e4 LT |
1566 | } |
1567 | ||
cf8cdbe5 | 1568 | static void encode_delegreturn(struct xdr_stream *xdr, const nfs4_stateid *stateid, struct compound_hdr *hdr) |
1da177e4 | 1569 | { |
8687b63a | 1570 | __be32 *p; |
1da177e4 | 1571 | |
13c65ce9 | 1572 | p = reserve_space(xdr, 4+NFS4_STATEID_SIZE); |
1da177e4 | 1573 | |
e75bc1c8 | 1574 | *p++ = cpu_to_be32(OP_DELEGRETURN); |
34558513 | 1575 | xdr_encode_opaque_fixed(p, stateid->data, NFS4_STATEID_SIZE); |
d017931c | 1576 | hdr->nops++; |
dadf0c27 | 1577 | hdr->replen += decode_delegreturn_maxsz; |
1da177e4 | 1578 | } |
9b7b9fcc | 1579 | |
99fe60d0 | 1580 | #if defined(CONFIG_NFS_V4_1) |
9b7b9fcc | 1581 | /* NFSv4.1 operations */ |
99fe60d0 BH |
1582 | static void encode_exchange_id(struct xdr_stream *xdr, |
1583 | struct nfs41_exchange_id_args *args, | |
1584 | struct compound_hdr *hdr) | |
1585 | { | |
1586 | __be32 *p; | |
1587 | ||
13c65ce9 | 1588 | p = reserve_space(xdr, 4 + sizeof(args->verifier->data)); |
e75bc1c8 | 1589 | *p++ = cpu_to_be32(OP_EXCHANGE_ID); |
34558513 | 1590 | xdr_encode_opaque_fixed(p, args->verifier->data, sizeof(args->verifier->data)); |
99fe60d0 BH |
1591 | |
1592 | encode_string(xdr, args->id_len, args->id); | |
1593 | ||
13c65ce9 | 1594 | p = reserve_space(xdr, 12); |
e75bc1c8 BH |
1595 | *p++ = cpu_to_be32(args->flags); |
1596 | *p++ = cpu_to_be32(0); /* zero length state_protect4_a */ | |
34558513 | 1597 | *p = cpu_to_be32(0); /* zero length implementation id array */ |
99fe60d0 BH |
1598 | hdr->nops++; |
1599 | hdr->replen += decode_exchange_id_maxsz; | |
1600 | } | |
fc931582 AA |
1601 | |
1602 | static void encode_create_session(struct xdr_stream *xdr, | |
1603 | struct nfs41_create_session_args *args, | |
1604 | struct compound_hdr *hdr) | |
1605 | { | |
1606 | __be32 *p; | |
1607 | char machine_name[NFS4_MAX_MACHINE_NAME_LEN]; | |
1608 | uint32_t len; | |
1609 | struct nfs_client *clp = args->client; | |
8e0d46e1 MS |
1610 | u32 max_resp_sz_cached; |
1611 | ||
1612 | /* | |
1613 | * Assumes OPEN is the biggest non-idempotent compound. | |
1614 | * 2 is the verifier. | |
1615 | */ | |
1616 | max_resp_sz_cached = (NFS4_dec_open_sz + RPC_REPHDRSIZE + | |
1617 | RPC_MAX_AUTH_SIZE + 2) * XDR_UNIT; | |
fc931582 | 1618 | |
42edd698 BH |
1619 | len = scnprintf(machine_name, sizeof(machine_name), "%s", |
1620 | clp->cl_ipaddr); | |
fc931582 | 1621 | |
13c65ce9 | 1622 | p = reserve_space(xdr, 20 + 2*28 + 20 + len + 12); |
42edd698 | 1623 | *p++ = cpu_to_be32(OP_CREATE_SESSION); |
b95be5a9 | 1624 | p = xdr_encode_hyper(p, clp->cl_ex_clid); |
e75bc1c8 BH |
1625 | *p++ = cpu_to_be32(clp->cl_seqid); /*Sequence id */ |
1626 | *p++ = cpu_to_be32(args->flags); /*flags */ | |
fc931582 | 1627 | |
fc931582 | 1628 | /* Fore Channel */ |
e75bc1c8 BH |
1629 | *p++ = cpu_to_be32(args->fc_attrs.headerpadsz); /* header padding size */ |
1630 | *p++ = cpu_to_be32(args->fc_attrs.max_rqst_sz); /* max req size */ | |
1631 | *p++ = cpu_to_be32(args->fc_attrs.max_resp_sz); /* max resp size */ | |
8e0d46e1 | 1632 | *p++ = cpu_to_be32(max_resp_sz_cached); /* Max resp sz cached */ |
e75bc1c8 BH |
1633 | *p++ = cpu_to_be32(args->fc_attrs.max_ops); /* max operations */ |
1634 | *p++ = cpu_to_be32(args->fc_attrs.max_reqs); /* max requests */ | |
1635 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ | |
fc931582 AA |
1636 | |
1637 | /* Back Channel */ | |
e75bc1c8 BH |
1638 | *p++ = cpu_to_be32(args->fc_attrs.headerpadsz); /* header padding size */ |
1639 | *p++ = cpu_to_be32(args->bc_attrs.max_rqst_sz); /* max req size */ | |
1640 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz); /* max resp size */ | |
1641 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz_cached); /* Max resp sz cached */ | |
1642 | *p++ = cpu_to_be32(args->bc_attrs.max_ops); /* max operations */ | |
1643 | *p++ = cpu_to_be32(args->bc_attrs.max_reqs); /* max requests */ | |
1644 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ | |
fc931582 | 1645 | |
e75bc1c8 | 1646 | *p++ = cpu_to_be32(args->cb_program); /* cb_program */ |
e75bc1c8 | 1647 | *p++ = cpu_to_be32(1); |
e75bc1c8 | 1648 | *p++ = cpu_to_be32(RPC_AUTH_UNIX); /* auth_sys */ |
fc931582 AA |
1649 | |
1650 | /* authsys_parms rfc1831 */ | |
e75bc1c8 | 1651 | *p++ = cpu_to_be32((u32)clp->cl_boot_time.tv_nsec); /* stamp */ |
811652bd | 1652 | p = xdr_encode_opaque(p, machine_name, len); |
e75bc1c8 BH |
1653 | *p++ = cpu_to_be32(0); /* UID */ |
1654 | *p++ = cpu_to_be32(0); /* GID */ | |
34558513 | 1655 | *p = cpu_to_be32(0); /* No more gids */ |
fc931582 AA |
1656 | hdr->nops++; |
1657 | hdr->replen += decode_create_session_maxsz; | |
1658 | } | |
0f3e66c6 AA |
1659 | |
1660 | static void encode_destroy_session(struct xdr_stream *xdr, | |
1661 | struct nfs4_session *session, | |
1662 | struct compound_hdr *hdr) | |
1663 | { | |
1664 | __be32 *p; | |
13c65ce9 | 1665 | p = reserve_space(xdr, 4 + NFS4_MAX_SESSIONID_LEN); |
e75bc1c8 | 1666 | *p++ = cpu_to_be32(OP_DESTROY_SESSION); |
34558513 | 1667 | xdr_encode_opaque_fixed(p, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); |
0f3e66c6 AA |
1668 | hdr->nops++; |
1669 | hdr->replen += decode_destroy_session_maxsz; | |
1670 | } | |
18019753 RL |
1671 | |
1672 | static void encode_reclaim_complete(struct xdr_stream *xdr, | |
1673 | struct nfs41_reclaim_complete_args *args, | |
1674 | struct compound_hdr *hdr) | |
1675 | { | |
1676 | __be32 *p; | |
1677 | ||
1678 | p = reserve_space(xdr, 8); | |
1679 | *p++ = cpu_to_be32(OP_RECLAIM_COMPLETE); | |
1680 | *p++ = cpu_to_be32(args->one_fs); | |
1681 | hdr->nops++; | |
1682 | hdr->replen += decode_reclaim_complete_maxsz; | |
1683 | } | |
99fe60d0 BH |
1684 | #endif /* CONFIG_NFS_V4_1 */ |
1685 | ||
9b7b9fcc AA |
1686 | static void encode_sequence(struct xdr_stream *xdr, |
1687 | const struct nfs4_sequence_args *args, | |
1688 | struct compound_hdr *hdr) | |
1689 | { | |
1690 | #if defined(CONFIG_NFS_V4_1) | |
1691 | struct nfs4_session *session = args->sa_session; | |
fc01cea9 AA |
1692 | struct nfs4_slot_table *tp; |
1693 | struct nfs4_slot *slot; | |
1694 | __be32 *p; | |
9b7b9fcc AA |
1695 | |
1696 | if (!session) | |
1697 | return; | |
1698 | ||
fc01cea9 AA |
1699 | tp = &session->fc_slot_table; |
1700 | ||
1701 | WARN_ON(args->sa_slotid == NFS4_MAX_SLOT_TABLE); | |
1702 | slot = tp->slots + args->sa_slotid; | |
1703 | ||
13c65ce9 | 1704 | p = reserve_space(xdr, 4 + NFS4_MAX_SESSIONID_LEN + 16); |
e75bc1c8 | 1705 | *p++ = cpu_to_be32(OP_SEQUENCE); |
fc01cea9 AA |
1706 | |
1707 | /* | |
1708 | * Sessionid + seqid + slotid + max slotid + cache_this | |
1709 | */ | |
1710 | dprintk("%s: sessionid=%u:%u:%u:%u seqid=%d slotid=%d " | |
1711 | "max_slotid=%d cache_this=%d\n", | |
1712 | __func__, | |
1713 | ((u32 *)session->sess_id.data)[0], | |
1714 | ((u32 *)session->sess_id.data)[1], | |
1715 | ((u32 *)session->sess_id.data)[2], | |
1716 | ((u32 *)session->sess_id.data)[3], | |
1717 | slot->seq_nr, args->sa_slotid, | |
1718 | tp->highest_used_slotid, args->sa_cache_this); | |
93f0cf25 | 1719 | p = xdr_encode_opaque_fixed(p, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); |
e75bc1c8 BH |
1720 | *p++ = cpu_to_be32(slot->seq_nr); |
1721 | *p++ = cpu_to_be32(args->sa_slotid); | |
1722 | *p++ = cpu_to_be32(tp->highest_used_slotid); | |
34558513 | 1723 | *p = cpu_to_be32(args->sa_cache_this); |
9b7b9fcc AA |
1724 | hdr->nops++; |
1725 | hdr->replen += decode_sequence_maxsz; | |
1726 | #endif /* CONFIG_NFS_V4_1 */ | |
1727 | } | |
1728 | ||
1da177e4 LT |
1729 | /* |
1730 | * END OF "GENERIC" ENCODE ROUTINES. | |
1731 | */ | |
1732 | ||
66cc0429 BH |
1733 | static u32 nfs4_xdr_minorversion(const struct nfs4_sequence_args *args) |
1734 | { | |
1735 | #if defined(CONFIG_NFS_V4_1) | |
1736 | if (args->sa_session) | |
a4432345 | 1737 | return args->sa_session->clp->cl_mvops->minor_version; |
66cc0429 BH |
1738 | #endif /* CONFIG_NFS_V4_1 */ |
1739 | return 0; | |
1740 | } | |
1741 | ||
1da177e4 LT |
1742 | /* |
1743 | * Encode an ACCESS request | |
1744 | */ | |
8687b63a | 1745 | static int nfs4_xdr_enc_access(struct rpc_rqst *req, __be32 *p, const struct nfs4_accessargs *args) |
1da177e4 LT |
1746 | { |
1747 | struct xdr_stream xdr; | |
1748 | struct compound_hdr hdr = { | |
66cc0429 | 1749 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1750 | }; |
1da177e4 LT |
1751 | |
1752 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 1753 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 1754 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
1755 | encode_putfh(&xdr, args->fh, &hdr); |
1756 | encode_access(&xdr, args->access, &hdr); | |
1757 | encode_getfattr(&xdr, args->bitmask, &hdr); | |
d017931c | 1758 | encode_nops(&hdr); |
cf8cdbe5 | 1759 | return 0; |
1da177e4 LT |
1760 | } |
1761 | ||
1762 | /* | |
1763 | * Encode LOOKUP request | |
1764 | */ | |
8687b63a | 1765 | static int nfs4_xdr_enc_lookup(struct rpc_rqst *req, __be32 *p, const struct nfs4_lookup_arg *args) |
1da177e4 LT |
1766 | { |
1767 | struct xdr_stream xdr; | |
1768 | struct compound_hdr hdr = { | |
66cc0429 | 1769 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1770 | }; |
1da177e4 LT |
1771 | |
1772 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 1773 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 1774 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
1775 | encode_putfh(&xdr, args->dir_fh, &hdr); |
1776 | encode_lookup(&xdr, args->name, &hdr); | |
1777 | encode_getfh(&xdr, &hdr); | |
1778 | encode_getfattr(&xdr, args->bitmask, &hdr); | |
d017931c | 1779 | encode_nops(&hdr); |
cf8cdbe5 | 1780 | return 0; |
1da177e4 LT |
1781 | } |
1782 | ||
1783 | /* | |
1784 | * Encode LOOKUP_ROOT request | |
1785 | */ | |
8687b63a | 1786 | static int nfs4_xdr_enc_lookup_root(struct rpc_rqst *req, __be32 *p, const struct nfs4_lookup_root_arg *args) |
1da177e4 LT |
1787 | { |
1788 | struct xdr_stream xdr; | |
1789 | struct compound_hdr hdr = { | |
66cc0429 | 1790 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1791 | }; |
1da177e4 LT |
1792 | |
1793 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 1794 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 1795 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
1796 | encode_putrootfh(&xdr, &hdr); |
1797 | encode_getfh(&xdr, &hdr); | |
1798 | encode_getfattr(&xdr, args->bitmask, &hdr); | |
d017931c | 1799 | encode_nops(&hdr); |
cf8cdbe5 | 1800 | return 0; |
1da177e4 LT |
1801 | } |
1802 | ||
1803 | /* | |
1804 | * Encode REMOVE request | |
1805 | */ | |
4fdc17b2 | 1806 | static int nfs4_xdr_enc_remove(struct rpc_rqst *req, __be32 *p, const struct nfs_removeargs *args) |
1da177e4 LT |
1807 | { |
1808 | struct xdr_stream xdr; | |
1809 | struct compound_hdr hdr = { | |
66cc0429 | 1810 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1811 | }; |
1da177e4 LT |
1812 | |
1813 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 1814 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 1815 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
1816 | encode_putfh(&xdr, args->fh, &hdr); |
1817 | encode_remove(&xdr, &args->name, &hdr); | |
1818 | encode_getfattr(&xdr, args->bitmask, &hdr); | |
d017931c | 1819 | encode_nops(&hdr); |
cf8cdbe5 | 1820 | return 0; |
1da177e4 LT |
1821 | } |
1822 | ||
1823 | /* | |
1824 | * Encode RENAME request | |
1825 | */ | |
920769f0 | 1826 | static int nfs4_xdr_enc_rename(struct rpc_rqst *req, __be32 *p, const struct nfs_renameargs *args) |
1da177e4 LT |
1827 | { |
1828 | struct xdr_stream xdr; | |
1829 | struct compound_hdr hdr = { | |
66cc0429 | 1830 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1831 | }; |
1da177e4 LT |
1832 | |
1833 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 1834 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 1835 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
1836 | encode_putfh(&xdr, args->old_dir, &hdr); |
1837 | encode_savefh(&xdr, &hdr); | |
1838 | encode_putfh(&xdr, args->new_dir, &hdr); | |
1839 | encode_rename(&xdr, args->old_name, args->new_name, &hdr); | |
1840 | encode_getfattr(&xdr, args->bitmask, &hdr); | |
1841 | encode_restorefh(&xdr, &hdr); | |
1842 | encode_getfattr(&xdr, args->bitmask, &hdr); | |
d017931c | 1843 | encode_nops(&hdr); |
cf8cdbe5 | 1844 | return 0; |
1da177e4 LT |
1845 | } |
1846 | ||
1847 | /* | |
1848 | * Encode LINK request | |
1849 | */ | |
8687b63a | 1850 | static int nfs4_xdr_enc_link(struct rpc_rqst *req, __be32 *p, const struct nfs4_link_arg *args) |
1da177e4 LT |
1851 | { |
1852 | struct xdr_stream xdr; | |
1853 | struct compound_hdr hdr = { | |
66cc0429 | 1854 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1855 | }; |
1da177e4 LT |
1856 | |
1857 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 1858 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 1859 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
1860 | encode_putfh(&xdr, args->fh, &hdr); |
1861 | encode_savefh(&xdr, &hdr); | |
1862 | encode_putfh(&xdr, args->dir_fh, &hdr); | |
1863 | encode_link(&xdr, args->name, &hdr); | |
1864 | encode_getfattr(&xdr, args->bitmask, &hdr); | |
1865 | encode_restorefh(&xdr, &hdr); | |
1866 | encode_getfattr(&xdr, args->bitmask, &hdr); | |
d017931c | 1867 | encode_nops(&hdr); |
cf8cdbe5 | 1868 | return 0; |
1da177e4 LT |
1869 | } |
1870 | ||
1871 | /* | |
1872 | * Encode CREATE request | |
1873 | */ | |
8687b63a | 1874 | static int nfs4_xdr_enc_create(struct rpc_rqst *req, __be32 *p, const struct nfs4_create_arg *args) |
1da177e4 LT |
1875 | { |
1876 | struct xdr_stream xdr; | |
1877 | struct compound_hdr hdr = { | |
66cc0429 | 1878 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1879 | }; |
1da177e4 LT |
1880 | |
1881 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 1882 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 1883 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
1884 | encode_putfh(&xdr, args->dir_fh, &hdr); |
1885 | encode_savefh(&xdr, &hdr); | |
1886 | encode_create(&xdr, args, &hdr); | |
1887 | encode_getfh(&xdr, &hdr); | |
1888 | encode_getfattr(&xdr, args->bitmask, &hdr); | |
1889 | encode_restorefh(&xdr, &hdr); | |
1890 | encode_getfattr(&xdr, args->bitmask, &hdr); | |
d017931c | 1891 | encode_nops(&hdr); |
cf8cdbe5 | 1892 | return 0; |
1da177e4 LT |
1893 | } |
1894 | ||
1895 | /* | |
1896 | * Encode SYMLINK request | |
1897 | */ | |
8687b63a | 1898 | static int nfs4_xdr_enc_symlink(struct rpc_rqst *req, __be32 *p, const struct nfs4_create_arg *args) |
1da177e4 LT |
1899 | { |
1900 | return nfs4_xdr_enc_create(req, p, args); | |
1901 | } | |
1902 | ||
1903 | /* | |
1904 | * Encode GETATTR request | |
1905 | */ | |
8687b63a | 1906 | static int nfs4_xdr_enc_getattr(struct rpc_rqst *req, __be32 *p, const struct nfs4_getattr_arg *args) |
1da177e4 LT |
1907 | { |
1908 | struct xdr_stream xdr; | |
1909 | struct compound_hdr hdr = { | |
66cc0429 | 1910 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1911 | }; |
1da177e4 LT |
1912 | |
1913 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 1914 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 1915 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
1916 | encode_putfh(&xdr, args->fh, &hdr); |
1917 | encode_getfattr(&xdr, args->bitmask, &hdr); | |
d017931c | 1918 | encode_nops(&hdr); |
cf8cdbe5 | 1919 | return 0; |
1da177e4 LT |
1920 | } |
1921 | ||
1922 | /* | |
1923 | * Encode a CLOSE request | |
1924 | */ | |
8687b63a | 1925 | static int nfs4_xdr_enc_close(struct rpc_rqst *req, __be32 *p, struct nfs_closeargs *args) |
1da177e4 | 1926 | { |
05d564fe AA |
1927 | struct xdr_stream xdr; |
1928 | struct compound_hdr hdr = { | |
66cc0429 | 1929 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 1930 | }; |
05d564fe AA |
1931 | |
1932 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 1933 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 1934 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
1935 | encode_putfh(&xdr, args->fh, &hdr); |
1936 | encode_close(&xdr, args, &hdr); | |
1937 | encode_getfattr(&xdr, args->bitmask, &hdr); | |
d017931c | 1938 | encode_nops(&hdr); |
cf8cdbe5 | 1939 | return 0; |
1da177e4 LT |
1940 | } |
1941 | ||
1942 | /* | |
1943 | * Encode an OPEN request | |
1944 | */ | |
8687b63a | 1945 | static int nfs4_xdr_enc_open(struct rpc_rqst *req, __be32 *p, struct nfs_openargs *args) |
1da177e4 LT |
1946 | { |
1947 | struct xdr_stream xdr; | |
1948 | struct compound_hdr hdr = { | |
66cc0429 | 1949 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1950 | }; |
1da177e4 LT |
1951 | |
1952 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 1953 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 1954 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
1955 | encode_putfh(&xdr, args->fh, &hdr); |
1956 | encode_savefh(&xdr, &hdr); | |
1957 | encode_open(&xdr, args, &hdr); | |
1958 | encode_getfh(&xdr, &hdr); | |
1959 | encode_getfattr(&xdr, args->bitmask, &hdr); | |
1960 | encode_restorefh(&xdr, &hdr); | |
1961 | encode_getfattr(&xdr, args->bitmask, &hdr); | |
d017931c | 1962 | encode_nops(&hdr); |
cf8cdbe5 | 1963 | return 0; |
1da177e4 LT |
1964 | } |
1965 | ||
1966 | /* | |
1967 | * Encode an OPEN_CONFIRM request | |
1968 | */ | |
8687b63a | 1969 | static int nfs4_xdr_enc_open_confirm(struct rpc_rqst *req, __be32 *p, struct nfs_open_confirmargs *args) |
1da177e4 LT |
1970 | { |
1971 | struct xdr_stream xdr; | |
1972 | struct compound_hdr hdr = { | |
d017931c | 1973 | .nops = 0, |
1da177e4 | 1974 | }; |
1da177e4 LT |
1975 | |
1976 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 1977 | encode_compound_hdr(&xdr, req, &hdr); |
cf8cdbe5 AA |
1978 | encode_putfh(&xdr, args->fh, &hdr); |
1979 | encode_open_confirm(&xdr, args, &hdr); | |
d017931c | 1980 | encode_nops(&hdr); |
cf8cdbe5 | 1981 | return 0; |
1da177e4 LT |
1982 | } |
1983 | ||
1984 | /* | |
1985 | * Encode an OPEN request with no attributes. | |
1986 | */ | |
8687b63a | 1987 | static int nfs4_xdr_enc_open_noattr(struct rpc_rqst *req, __be32 *p, struct nfs_openargs *args) |
1da177e4 LT |
1988 | { |
1989 | struct xdr_stream xdr; | |
1990 | struct compound_hdr hdr = { | |
66cc0429 | 1991 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1992 | }; |
1da177e4 LT |
1993 | |
1994 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 1995 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 1996 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
1997 | encode_putfh(&xdr, args->fh, &hdr); |
1998 | encode_open(&xdr, args, &hdr); | |
1999 | encode_getfattr(&xdr, args->bitmask, &hdr); | |
d017931c | 2000 | encode_nops(&hdr); |
cf8cdbe5 | 2001 | return 0; |
1da177e4 LT |
2002 | } |
2003 | ||
2004 | /* | |
2005 | * Encode an OPEN_DOWNGRADE request | |
2006 | */ | |
8687b63a | 2007 | static int nfs4_xdr_enc_open_downgrade(struct rpc_rqst *req, __be32 *p, struct nfs_closeargs *args) |
1da177e4 LT |
2008 | { |
2009 | struct xdr_stream xdr; | |
2010 | struct compound_hdr hdr = { | |
66cc0429 | 2011 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2012 | }; |
1da177e4 LT |
2013 | |
2014 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 2015 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 2016 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
2017 | encode_putfh(&xdr, args->fh, &hdr); |
2018 | encode_open_downgrade(&xdr, args, &hdr); | |
2019 | encode_getfattr(&xdr, args->bitmask, &hdr); | |
d017931c | 2020 | encode_nops(&hdr); |
cf8cdbe5 | 2021 | return 0; |
1da177e4 LT |
2022 | } |
2023 | ||
2024 | /* | |
2025 | * Encode a LOCK request | |
2026 | */ | |
8687b63a | 2027 | static int nfs4_xdr_enc_lock(struct rpc_rqst *req, __be32 *p, struct nfs_lock_args *args) |
1da177e4 LT |
2028 | { |
2029 | struct xdr_stream xdr; | |
2030 | struct compound_hdr hdr = { | |
66cc0429 | 2031 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2032 | }; |
1da177e4 LT |
2033 | |
2034 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 2035 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 2036 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
2037 | encode_putfh(&xdr, args->fh, &hdr); |
2038 | encode_lock(&xdr, args, &hdr); | |
d017931c | 2039 | encode_nops(&hdr); |
cf8cdbe5 | 2040 | return 0; |
1da177e4 LT |
2041 | } |
2042 | ||
2043 | /* | |
2044 | * Encode a LOCKT request | |
2045 | */ | |
8687b63a | 2046 | static int nfs4_xdr_enc_lockt(struct rpc_rqst *req, __be32 *p, struct nfs_lockt_args *args) |
1da177e4 LT |
2047 | { |
2048 | struct xdr_stream xdr; | |
2049 | struct compound_hdr hdr = { | |
66cc0429 | 2050 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2051 | }; |
1da177e4 LT |
2052 | |
2053 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 2054 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 2055 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
2056 | encode_putfh(&xdr, args->fh, &hdr); |
2057 | encode_lockt(&xdr, args, &hdr); | |
d017931c | 2058 | encode_nops(&hdr); |
cf8cdbe5 | 2059 | return 0; |
1da177e4 LT |
2060 | } |
2061 | ||
2062 | /* | |
2063 | * Encode a LOCKU request | |
2064 | */ | |
8687b63a | 2065 | static int nfs4_xdr_enc_locku(struct rpc_rqst *req, __be32 *p, struct nfs_locku_args *args) |
1da177e4 LT |
2066 | { |
2067 | struct xdr_stream xdr; | |
2068 | struct compound_hdr hdr = { | |
66cc0429 | 2069 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2070 | }; |
1da177e4 LT |
2071 | |
2072 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 2073 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 2074 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
2075 | encode_putfh(&xdr, args->fh, &hdr); |
2076 | encode_locku(&xdr, args, &hdr); | |
d017931c | 2077 | encode_nops(&hdr); |
cf8cdbe5 | 2078 | return 0; |
1da177e4 LT |
2079 | } |
2080 | ||
d3c7b7cc TM |
2081 | static int nfs4_xdr_enc_release_lockowner(struct rpc_rqst *req, __be32 *p, struct nfs_release_lockowner_args *args) |
2082 | { | |
2083 | struct xdr_stream xdr; | |
2084 | struct compound_hdr hdr = { | |
2085 | .minorversion = 0, | |
2086 | }; | |
2087 | ||
2088 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
2089 | encode_compound_hdr(&xdr, req, &hdr); | |
2090 | encode_release_lockowner(&xdr, &args->lock_owner, &hdr); | |
2091 | encode_nops(&hdr); | |
2092 | return 0; | |
2093 | } | |
2094 | ||
1da177e4 LT |
2095 | /* |
2096 | * Encode a READLINK request | |
2097 | */ | |
8687b63a | 2098 | static int nfs4_xdr_enc_readlink(struct rpc_rqst *req, __be32 *p, const struct nfs4_readlink *args) |
1da177e4 LT |
2099 | { |
2100 | struct xdr_stream xdr; | |
2101 | struct compound_hdr hdr = { | |
66cc0429 | 2102 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2103 | }; |
1da177e4 LT |
2104 | |
2105 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 2106 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 2107 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
2108 | encode_putfh(&xdr, args->fh, &hdr); |
2109 | encode_readlink(&xdr, args, req, &hdr); | |
e3a535e1 | 2110 | |
28f56694 | 2111 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, |
e3a535e1 | 2112 | args->pgbase, args->pglen); |
d017931c | 2113 | encode_nops(&hdr); |
cf8cdbe5 | 2114 | return 0; |
1da177e4 LT |
2115 | } |
2116 | ||
2117 | /* | |
2118 | * Encode a READDIR request | |
2119 | */ | |
8687b63a | 2120 | static int nfs4_xdr_enc_readdir(struct rpc_rqst *req, __be32 *p, const struct nfs4_readdir_arg *args) |
1da177e4 LT |
2121 | { |
2122 | struct xdr_stream xdr; | |
2123 | struct compound_hdr hdr = { | |
66cc0429 | 2124 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2125 | }; |
1da177e4 LT |
2126 | |
2127 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 2128 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 2129 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
2130 | encode_putfh(&xdr, args->fh, &hdr); |
2131 | encode_readdir(&xdr, args, req, &hdr); | |
d6ac02df | 2132 | |
28f56694 | 2133 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, |
d6ac02df TM |
2134 | args->pgbase, args->count); |
2135 | dprintk("%s: inlined page args = (%u, %p, %u, %u)\n", | |
28f56694 | 2136 | __func__, hdr.replen << 2, args->pages, |
d6ac02df | 2137 | args->pgbase, args->count); |
d017931c | 2138 | encode_nops(&hdr); |
cf8cdbe5 | 2139 | return 0; |
1da177e4 LT |
2140 | } |
2141 | ||
2142 | /* | |
2143 | * Encode a READ request | |
2144 | */ | |
8687b63a | 2145 | static int nfs4_xdr_enc_read(struct rpc_rqst *req, __be32 *p, struct nfs_readargs *args) |
1da177e4 | 2146 | { |
1da177e4 LT |
2147 | struct xdr_stream xdr; |
2148 | struct compound_hdr hdr = { | |
66cc0429 | 2149 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2150 | }; |
1da177e4 LT |
2151 | |
2152 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 2153 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 2154 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
2155 | encode_putfh(&xdr, args->fh, &hdr); |
2156 | encode_read(&xdr, args, &hdr); | |
1da177e4 | 2157 | |
28f56694 | 2158 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, |
1da177e4 | 2159 | args->pages, args->pgbase, args->count); |
4f22ccc3 | 2160 | req->rq_rcv_buf.flags |= XDRBUF_READ; |
d017931c | 2161 | encode_nops(&hdr); |
cf8cdbe5 | 2162 | return 0; |
1da177e4 LT |
2163 | } |
2164 | ||
2165 | /* | |
2166 | * Encode an SETATTR request | |
2167 | */ | |
8687b63a | 2168 | static int nfs4_xdr_enc_setattr(struct rpc_rqst *req, __be32 *p, struct nfs_setattrargs *args) |
1da177e4 | 2169 | { |
05d564fe AA |
2170 | struct xdr_stream xdr; |
2171 | struct compound_hdr hdr = { | |
66cc0429 | 2172 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 2173 | }; |
05d564fe AA |
2174 | |
2175 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 2176 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 2177 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
2178 | encode_putfh(&xdr, args->fh, &hdr); |
2179 | encode_setattr(&xdr, args, args->server, &hdr); | |
2180 | encode_getfattr(&xdr, args->bitmask, &hdr); | |
d017931c | 2181 | encode_nops(&hdr); |
cf8cdbe5 | 2182 | return 0; |
1da177e4 LT |
2183 | } |
2184 | ||
029d105e BF |
2185 | /* |
2186 | * Encode a GETACL request | |
2187 | */ | |
2188 | static int | |
8687b63a | 2189 | nfs4_xdr_enc_getacl(struct rpc_rqst *req, __be32 *p, |
029d105e BF |
2190 | struct nfs_getaclargs *args) |
2191 | { | |
2192 | struct xdr_stream xdr; | |
029d105e | 2193 | struct compound_hdr hdr = { |
66cc0429 | 2194 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
029d105e | 2195 | }; |
28f56694 | 2196 | uint32_t replen; |
029d105e BF |
2197 | |
2198 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 2199 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 2200 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 | 2201 | encode_putfh(&xdr, args->fh, &hdr); |
d327cf74 | 2202 | replen = hdr.replen + op_decode_hdr_maxsz + nfs4_fattr_bitmap_maxsz + 1; |
cf8cdbe5 AA |
2203 | encode_getattr_two(&xdr, FATTR4_WORD0_ACL, 0, &hdr); |
2204 | ||
28f56694 | 2205 | xdr_inline_pages(&req->rq_rcv_buf, replen << 2, |
029d105e | 2206 | args->acl_pages, args->acl_pgbase, args->acl_len); |
d017931c | 2207 | encode_nops(&hdr); |
cf8cdbe5 | 2208 | return 0; |
029d105e BF |
2209 | } |
2210 | ||
1da177e4 LT |
2211 | /* |
2212 | * Encode a WRITE request | |
2213 | */ | |
8687b63a | 2214 | static int nfs4_xdr_enc_write(struct rpc_rqst *req, __be32 *p, struct nfs_writeargs *args) |
1da177e4 LT |
2215 | { |
2216 | struct xdr_stream xdr; | |
2217 | struct compound_hdr hdr = { | |
66cc0429 | 2218 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2219 | }; |
1da177e4 LT |
2220 | |
2221 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 2222 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 2223 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
2224 | encode_putfh(&xdr, args->fh, &hdr); |
2225 | encode_write(&xdr, args, &hdr); | |
4f22ccc3 | 2226 | req->rq_snd_buf.flags |= XDRBUF_WRITE; |
cf8cdbe5 | 2227 | encode_getfattr(&xdr, args->bitmask, &hdr); |
d017931c | 2228 | encode_nops(&hdr); |
cf8cdbe5 | 2229 | return 0; |
1da177e4 LT |
2230 | } |
2231 | ||
2232 | /* | |
2233 | * a COMMIT request | |
2234 | */ | |
8687b63a | 2235 | static int nfs4_xdr_enc_commit(struct rpc_rqst *req, __be32 *p, struct nfs_writeargs *args) |
1da177e4 LT |
2236 | { |
2237 | struct xdr_stream xdr; | |
2238 | struct compound_hdr hdr = { | |
66cc0429 | 2239 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2240 | }; |
1da177e4 LT |
2241 | |
2242 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 2243 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 2244 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
2245 | encode_putfh(&xdr, args->fh, &hdr); |
2246 | encode_commit(&xdr, args, &hdr); | |
2247 | encode_getfattr(&xdr, args->bitmask, &hdr); | |
d017931c | 2248 | encode_nops(&hdr); |
cf8cdbe5 | 2249 | return 0; |
1da177e4 LT |
2250 | } |
2251 | ||
2252 | /* | |
2253 | * FSINFO request | |
2254 | */ | |
8687b63a | 2255 | static int nfs4_xdr_enc_fsinfo(struct rpc_rqst *req, __be32 *p, struct nfs4_fsinfo_arg *args) |
1da177e4 LT |
2256 | { |
2257 | struct xdr_stream xdr; | |
2258 | struct compound_hdr hdr = { | |
66cc0429 | 2259 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2260 | }; |
1da177e4 LT |
2261 | |
2262 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 2263 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 2264 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
2265 | encode_putfh(&xdr, args->fh, &hdr); |
2266 | encode_fsinfo(&xdr, args->bitmask, &hdr); | |
d017931c | 2267 | encode_nops(&hdr); |
cf8cdbe5 | 2268 | return 0; |
1da177e4 LT |
2269 | } |
2270 | ||
2271 | /* | |
2272 | * a PATHCONF request | |
2273 | */ | |
8687b63a | 2274 | static int nfs4_xdr_enc_pathconf(struct rpc_rqst *req, __be32 *p, const struct nfs4_pathconf_arg *args) |
1da177e4 | 2275 | { |
1da177e4 LT |
2276 | struct xdr_stream xdr; |
2277 | struct compound_hdr hdr = { | |
66cc0429 | 2278 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2279 | }; |
1da177e4 LT |
2280 | |
2281 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 2282 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 2283 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
2284 | encode_putfh(&xdr, args->fh, &hdr); |
2285 | encode_getattr_one(&xdr, args->bitmask[0] & nfs4_pathconf_bitmap[0], | |
2286 | &hdr); | |
d017931c | 2287 | encode_nops(&hdr); |
cf8cdbe5 | 2288 | return 0; |
1da177e4 LT |
2289 | } |
2290 | ||
2291 | /* | |
2292 | * a STATFS request | |
2293 | */ | |
8687b63a | 2294 | static int nfs4_xdr_enc_statfs(struct rpc_rqst *req, __be32 *p, const struct nfs4_statfs_arg *args) |
1da177e4 | 2295 | { |
1da177e4 LT |
2296 | struct xdr_stream xdr; |
2297 | struct compound_hdr hdr = { | |
66cc0429 | 2298 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2299 | }; |
1da177e4 LT |
2300 | |
2301 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 2302 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 2303 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
2304 | encode_putfh(&xdr, args->fh, &hdr); |
2305 | encode_getattr_two(&xdr, args->bitmask[0] & nfs4_statfs_bitmap[0], | |
2306 | args->bitmask[1] & nfs4_statfs_bitmap[1], &hdr); | |
d017931c | 2307 | encode_nops(&hdr); |
cf8cdbe5 | 2308 | return 0; |
1da177e4 LT |
2309 | } |
2310 | ||
2311 | /* | |
2312 | * GETATTR_BITMAP request | |
2313 | */ | |
43652ad5 BH |
2314 | static int nfs4_xdr_enc_server_caps(struct rpc_rqst *req, __be32 *p, |
2315 | struct nfs4_server_caps_arg *args) | |
1da177e4 LT |
2316 | { |
2317 | struct xdr_stream xdr; | |
2318 | struct compound_hdr hdr = { | |
66cc0429 | 2319 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2320 | }; |
1da177e4 LT |
2321 | |
2322 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 2323 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 2324 | encode_sequence(&xdr, &args->seq_args, &hdr); |
43652ad5 | 2325 | encode_putfh(&xdr, args->fhandle, &hdr); |
cf8cdbe5 AA |
2326 | encode_getattr_one(&xdr, FATTR4_WORD0_SUPPORTED_ATTRS| |
2327 | FATTR4_WORD0_LINK_SUPPORT| | |
2328 | FATTR4_WORD0_SYMLINK_SUPPORT| | |
2329 | FATTR4_WORD0_ACLSUPPORT, &hdr); | |
d017931c | 2330 | encode_nops(&hdr); |
cf8cdbe5 | 2331 | return 0; |
1da177e4 LT |
2332 | } |
2333 | ||
2334 | /* | |
2335 | * a RENEW request | |
2336 | */ | |
8687b63a | 2337 | static int nfs4_xdr_enc_renew(struct rpc_rqst *req, __be32 *p, struct nfs_client *clp) |
1da177e4 LT |
2338 | { |
2339 | struct xdr_stream xdr; | |
2340 | struct compound_hdr hdr = { | |
d017931c | 2341 | .nops = 0, |
1da177e4 LT |
2342 | }; |
2343 | ||
2344 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 2345 | encode_compound_hdr(&xdr, req, &hdr); |
cf8cdbe5 | 2346 | encode_renew(&xdr, clp, &hdr); |
d017931c | 2347 | encode_nops(&hdr); |
cf8cdbe5 | 2348 | return 0; |
1da177e4 LT |
2349 | } |
2350 | ||
2351 | /* | |
2352 | * a SETCLIENTID request | |
2353 | */ | |
8687b63a | 2354 | static int nfs4_xdr_enc_setclientid(struct rpc_rqst *req, __be32 *p, struct nfs4_setclientid *sc) |
1da177e4 LT |
2355 | { |
2356 | struct xdr_stream xdr; | |
2357 | struct compound_hdr hdr = { | |
d017931c | 2358 | .nops = 0, |
1da177e4 LT |
2359 | }; |
2360 | ||
2361 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 2362 | encode_compound_hdr(&xdr, req, &hdr); |
cf8cdbe5 | 2363 | encode_setclientid(&xdr, sc, &hdr); |
d017931c | 2364 | encode_nops(&hdr); |
cf8cdbe5 | 2365 | return 0; |
1da177e4 LT |
2366 | } |
2367 | ||
2368 | /* | |
2369 | * a SETCLIENTID_CONFIRM request | |
2370 | */ | |
bb8b27e5 | 2371 | static int nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, __be32 *p, struct nfs4_setclientid_res *arg) |
1da177e4 LT |
2372 | { |
2373 | struct xdr_stream xdr; | |
2374 | struct compound_hdr hdr = { | |
d017931c | 2375 | .nops = 0, |
1da177e4 LT |
2376 | }; |
2377 | const u32 lease_bitmap[2] = { FATTR4_WORD0_LEASE_TIME, 0 }; | |
1da177e4 LT |
2378 | |
2379 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 2380 | encode_compound_hdr(&xdr, req, &hdr); |
bb8b27e5 | 2381 | encode_setclientid_confirm(&xdr, arg, &hdr); |
cf8cdbe5 AA |
2382 | encode_putrootfh(&xdr, &hdr); |
2383 | encode_fsinfo(&xdr, lease_bitmap, &hdr); | |
d017931c | 2384 | encode_nops(&hdr); |
cf8cdbe5 | 2385 | return 0; |
1da177e4 LT |
2386 | } |
2387 | ||
2388 | /* | |
2389 | * DELEGRETURN request | |
2390 | */ | |
8687b63a | 2391 | static int nfs4_xdr_enc_delegreturn(struct rpc_rqst *req, __be32 *p, const struct nfs4_delegreturnargs *args) |
1da177e4 LT |
2392 | { |
2393 | struct xdr_stream xdr; | |
2394 | struct compound_hdr hdr = { | |
66cc0429 | 2395 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2396 | }; |
1da177e4 LT |
2397 | |
2398 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 2399 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 2400 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
2401 | encode_putfh(&xdr, args->fhandle, &hdr); |
2402 | encode_delegreturn(&xdr, args->stateid, &hdr); | |
2403 | encode_getfattr(&xdr, args->bitmask, &hdr); | |
d017931c | 2404 | encode_nops(&hdr); |
cf8cdbe5 | 2405 | return 0; |
1da177e4 LT |
2406 | } |
2407 | ||
683b57b4 TM |
2408 | /* |
2409 | * Encode FS_LOCATIONS request | |
2410 | */ | |
8687b63a | 2411 | static int nfs4_xdr_enc_fs_locations(struct rpc_rqst *req, __be32 *p, struct nfs4_fs_locations_arg *args) |
683b57b4 TM |
2412 | { |
2413 | struct xdr_stream xdr; | |
2414 | struct compound_hdr hdr = { | |
66cc0429 | 2415 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
683b57b4 | 2416 | }; |
28f56694 | 2417 | uint32_t replen; |
683b57b4 TM |
2418 | |
2419 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 2420 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 2421 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
2422 | encode_putfh(&xdr, args->dir_fh, &hdr); |
2423 | encode_lookup(&xdr, args->name, &hdr); | |
28f56694 | 2424 | replen = hdr.replen; /* get the attribute into args->page */ |
cf8cdbe5 AA |
2425 | encode_fs_locations(&xdr, args->bitmask, &hdr); |
2426 | ||
28f56694 | 2427 | xdr_inline_pages(&req->rq_rcv_buf, replen << 2, &args->page, |
683b57b4 | 2428 | 0, PAGE_SIZE); |
d017931c | 2429 | encode_nops(&hdr); |
cf8cdbe5 | 2430 | return 0; |
683b57b4 TM |
2431 | } |
2432 | ||
99fe60d0 BH |
2433 | #if defined(CONFIG_NFS_V4_1) |
2434 | /* | |
2435 | * EXCHANGE_ID request | |
2436 | */ | |
2437 | static int nfs4_xdr_enc_exchange_id(struct rpc_rqst *req, uint32_t *p, | |
2438 | struct nfs41_exchange_id_args *args) | |
2439 | { | |
2440 | struct xdr_stream xdr; | |
2441 | struct compound_hdr hdr = { | |
a4432345 | 2442 | .minorversion = args->client->cl_mvops->minor_version, |
99fe60d0 BH |
2443 | }; |
2444 | ||
2445 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
2446 | encode_compound_hdr(&xdr, req, &hdr); | |
2447 | encode_exchange_id(&xdr, args, &hdr); | |
2448 | encode_nops(&hdr); | |
2449 | return 0; | |
2450 | } | |
2050f0cc | 2451 | |
fc931582 AA |
2452 | /* |
2453 | * a CREATE_SESSION request | |
2454 | */ | |
2455 | static int nfs4_xdr_enc_create_session(struct rpc_rqst *req, uint32_t *p, | |
2456 | struct nfs41_create_session_args *args) | |
2457 | { | |
2458 | struct xdr_stream xdr; | |
2459 | struct compound_hdr hdr = { | |
a4432345 | 2460 | .minorversion = args->client->cl_mvops->minor_version, |
fc931582 AA |
2461 | }; |
2462 | ||
2463 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
2464 | encode_compound_hdr(&xdr, req, &hdr); | |
2465 | encode_create_session(&xdr, args, &hdr); | |
2466 | encode_nops(&hdr); | |
2467 | return 0; | |
2468 | } | |
2469 | ||
0f3e66c6 AA |
2470 | /* |
2471 | * a DESTROY_SESSION request | |
2472 | */ | |
2473 | static int nfs4_xdr_enc_destroy_session(struct rpc_rqst *req, uint32_t *p, | |
2474 | struct nfs4_session *session) | |
2475 | { | |
2476 | struct xdr_stream xdr; | |
2477 | struct compound_hdr hdr = { | |
a4432345 | 2478 | .minorversion = session->clp->cl_mvops->minor_version, |
0f3e66c6 AA |
2479 | }; |
2480 | ||
2481 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
2482 | encode_compound_hdr(&xdr, req, &hdr); | |
2483 | encode_destroy_session(&xdr, session, &hdr); | |
2484 | encode_nops(&hdr); | |
2485 | return 0; | |
2486 | } | |
2487 | ||
fc01cea9 AA |
2488 | /* |
2489 | * a SEQUENCE request | |
2490 | */ | |
2491 | static int nfs4_xdr_enc_sequence(struct rpc_rqst *req, uint32_t *p, | |
2492 | struct nfs4_sequence_args *args) | |
2493 | { | |
2494 | struct xdr_stream xdr; | |
2495 | struct compound_hdr hdr = { | |
2496 | .minorversion = nfs4_xdr_minorversion(args), | |
2497 | }; | |
2498 | ||
2499 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
2500 | encode_compound_hdr(&xdr, req, &hdr); | |
2501 | encode_sequence(&xdr, args, &hdr); | |
2502 | encode_nops(&hdr); | |
2503 | return 0; | |
2504 | } | |
2505 | ||
2050f0cc AA |
2506 | /* |
2507 | * a GET_LEASE_TIME request | |
2508 | */ | |
2509 | static int nfs4_xdr_enc_get_lease_time(struct rpc_rqst *req, uint32_t *p, | |
2510 | struct nfs4_get_lease_time_args *args) | |
2511 | { | |
2512 | struct xdr_stream xdr; | |
2513 | struct compound_hdr hdr = { | |
2514 | .minorversion = nfs4_xdr_minorversion(&args->la_seq_args), | |
2515 | }; | |
2516 | const u32 lease_bitmap[2] = { FATTR4_WORD0_LEASE_TIME, 0 }; | |
2517 | ||
2518 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
2519 | encode_compound_hdr(&xdr, req, &hdr); | |
2520 | encode_sequence(&xdr, &args->la_seq_args, &hdr); | |
2521 | encode_putrootfh(&xdr, &hdr); | |
2522 | encode_fsinfo(&xdr, lease_bitmap, &hdr); | |
2523 | encode_nops(&hdr); | |
2524 | return 0; | |
2525 | } | |
18019753 RL |
2526 | |
2527 | /* | |
2528 | * a RECLAIM_COMPLETE request | |
2529 | */ | |
2530 | static int nfs4_xdr_enc_reclaim_complete(struct rpc_rqst *req, uint32_t *p, | |
2531 | struct nfs41_reclaim_complete_args *args) | |
2532 | { | |
2533 | struct xdr_stream xdr; | |
2534 | struct compound_hdr hdr = { | |
2535 | .minorversion = nfs4_xdr_minorversion(&args->seq_args) | |
2536 | }; | |
2537 | ||
2538 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
2539 | encode_compound_hdr(&xdr, req, &hdr); | |
2540 | encode_sequence(&xdr, &args->seq_args, &hdr); | |
2541 | encode_reclaim_complete(&xdr, args, &hdr); | |
2542 | encode_nops(&hdr); | |
2543 | return 0; | |
2544 | } | |
2545 | ||
99fe60d0 BH |
2546 | #endif /* CONFIG_NFS_V4_1 */ |
2547 | ||
686841b3 BH |
2548 | static void print_overflow_msg(const char *func, const struct xdr_stream *xdr) |
2549 | { | |
2550 | dprintk("nfs: %s: prematurely hit end of receive buffer. " | |
2551 | "Remaining buffer length is %tu words.\n", | |
2552 | func, xdr->end - xdr->p); | |
2553 | } | |
1da177e4 | 2554 | |
683b57b4 | 2555 | static int decode_opaque_inline(struct xdr_stream *xdr, unsigned int *len, char **string) |
1da177e4 | 2556 | { |
8687b63a | 2557 | __be32 *p; |
1da177e4 | 2558 | |
c0eae66e BH |
2559 | p = xdr_inline_decode(xdr, 4); |
2560 | if (unlikely(!p)) | |
2561 | goto out_overflow; | |
cccddf4f | 2562 | *len = be32_to_cpup(p); |
c0eae66e BH |
2563 | p = xdr_inline_decode(xdr, *len); |
2564 | if (unlikely(!p)) | |
2565 | goto out_overflow; | |
1da177e4 LT |
2566 | *string = (char *)p; |
2567 | return 0; | |
c0eae66e BH |
2568 | out_overflow: |
2569 | print_overflow_msg(__func__, xdr); | |
2570 | return -EIO; | |
1da177e4 LT |
2571 | } |
2572 | ||
2573 | static int decode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr) | |
2574 | { | |
8687b63a | 2575 | __be32 *p; |
1da177e4 | 2576 | |
c0eae66e BH |
2577 | p = xdr_inline_decode(xdr, 8); |
2578 | if (unlikely(!p)) | |
2579 | goto out_overflow; | |
6f723f77 | 2580 | hdr->status = be32_to_cpup(p++); |
cccddf4f | 2581 | hdr->taglen = be32_to_cpup(p); |
6c0195a4 | 2582 | |
c0eae66e BH |
2583 | p = xdr_inline_decode(xdr, hdr->taglen + 4); |
2584 | if (unlikely(!p)) | |
2585 | goto out_overflow; | |
1da177e4 LT |
2586 | hdr->tag = (char *)p; |
2587 | p += XDR_QUADLEN(hdr->taglen); | |
cccddf4f | 2588 | hdr->nops = be32_to_cpup(p); |
aadf6152 BH |
2589 | if (unlikely(hdr->nops < 1)) |
2590 | return nfs4_stat_to_errno(hdr->status); | |
1da177e4 | 2591 | return 0; |
c0eae66e BH |
2592 | out_overflow: |
2593 | print_overflow_msg(__func__, xdr); | |
2594 | return -EIO; | |
1da177e4 LT |
2595 | } |
2596 | ||
2597 | static int decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected) | |
2598 | { | |
8687b63a | 2599 | __be32 *p; |
1da177e4 LT |
2600 | uint32_t opnum; |
2601 | int32_t nfserr; | |
2602 | ||
c0eae66e BH |
2603 | p = xdr_inline_decode(xdr, 8); |
2604 | if (unlikely(!p)) | |
2605 | goto out_overflow; | |
6f723f77 | 2606 | opnum = be32_to_cpup(p++); |
1da177e4 | 2607 | if (opnum != expected) { |
fe82a183 CL |
2608 | dprintk("nfs: Server returned operation" |
2609 | " %d but we issued a request for %d\n", | |
1da177e4 LT |
2610 | opnum, expected); |
2611 | return -EIO; | |
2612 | } | |
cccddf4f | 2613 | nfserr = be32_to_cpup(p); |
1da177e4 | 2614 | if (nfserr != NFS_OK) |
856dff3d | 2615 | return nfs4_stat_to_errno(nfserr); |
1da177e4 | 2616 | return 0; |
c0eae66e BH |
2617 | out_overflow: |
2618 | print_overflow_msg(__func__, xdr); | |
2619 | return -EIO; | |
1da177e4 LT |
2620 | } |
2621 | ||
2622 | /* Dummy routine */ | |
adfa6f98 | 2623 | static int decode_ace(struct xdr_stream *xdr, void *ace, struct nfs_client *clp) |
1da177e4 | 2624 | { |
8687b63a | 2625 | __be32 *p; |
683b57b4 | 2626 | unsigned int strlen; |
1da177e4 LT |
2627 | char *str; |
2628 | ||
c0eae66e BH |
2629 | p = xdr_inline_decode(xdr, 12); |
2630 | if (likely(p)) | |
2631 | return decode_opaque_inline(xdr, &strlen, &str); | |
2632 | print_overflow_msg(__func__, xdr); | |
2633 | return -EIO; | |
1da177e4 LT |
2634 | } |
2635 | ||
2636 | static int decode_attr_bitmap(struct xdr_stream *xdr, uint32_t *bitmap) | |
2637 | { | |
8687b63a AV |
2638 | uint32_t bmlen; |
2639 | __be32 *p; | |
1da177e4 | 2640 | |
c0eae66e BH |
2641 | p = xdr_inline_decode(xdr, 4); |
2642 | if (unlikely(!p)) | |
2643 | goto out_overflow; | |
cccddf4f | 2644 | bmlen = be32_to_cpup(p); |
1da177e4 LT |
2645 | |
2646 | bitmap[0] = bitmap[1] = 0; | |
c0eae66e BH |
2647 | p = xdr_inline_decode(xdr, (bmlen << 2)); |
2648 | if (unlikely(!p)) | |
2649 | goto out_overflow; | |
1da177e4 | 2650 | if (bmlen > 0) { |
6f723f77 | 2651 | bitmap[0] = be32_to_cpup(p++); |
1da177e4 | 2652 | if (bmlen > 1) |
cccddf4f | 2653 | bitmap[1] = be32_to_cpup(p); |
1da177e4 LT |
2654 | } |
2655 | return 0; | |
c0eae66e BH |
2656 | out_overflow: |
2657 | print_overflow_msg(__func__, xdr); | |
2658 | return -EIO; | |
1da177e4 LT |
2659 | } |
2660 | ||
8687b63a | 2661 | static inline int decode_attr_length(struct xdr_stream *xdr, uint32_t *attrlen, __be32 **savep) |
1da177e4 | 2662 | { |
8687b63a | 2663 | __be32 *p; |
1da177e4 | 2664 | |
c0eae66e BH |
2665 | p = xdr_inline_decode(xdr, 4); |
2666 | if (unlikely(!p)) | |
2667 | goto out_overflow; | |
cccddf4f | 2668 | *attrlen = be32_to_cpup(p); |
1da177e4 LT |
2669 | *savep = xdr->p; |
2670 | return 0; | |
c0eae66e BH |
2671 | out_overflow: |
2672 | print_overflow_msg(__func__, xdr); | |
2673 | return -EIO; | |
1da177e4 LT |
2674 | } |
2675 | ||
2676 | static int decode_attr_supported(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *bitmask) | |
2677 | { | |
2678 | if (likely(bitmap[0] & FATTR4_WORD0_SUPPORTED_ATTRS)) { | |
2679 | decode_attr_bitmap(xdr, bitmask); | |
2680 | bitmap[0] &= ~FATTR4_WORD0_SUPPORTED_ATTRS; | |
2681 | } else | |
2682 | bitmask[0] = bitmask[1] = 0; | |
44109241 | 2683 | dprintk("%s: bitmask=%08x:%08x\n", __func__, bitmask[0], bitmask[1]); |
1da177e4 LT |
2684 | return 0; |
2685 | } | |
2686 | ||
2687 | static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *type) | |
2688 | { | |
8687b63a | 2689 | __be32 *p; |
409924e4 | 2690 | int ret = 0; |
1da177e4 LT |
2691 | |
2692 | *type = 0; | |
2693 | if (unlikely(bitmap[0] & (FATTR4_WORD0_TYPE - 1U))) | |
2694 | return -EIO; | |
2695 | if (likely(bitmap[0] & FATTR4_WORD0_TYPE)) { | |
c0eae66e BH |
2696 | p = xdr_inline_decode(xdr, 4); |
2697 | if (unlikely(!p)) | |
2698 | goto out_overflow; | |
cccddf4f | 2699 | *type = be32_to_cpup(p); |
1da177e4 | 2700 | if (*type < NF4REG || *type > NF4NAMEDATTR) { |
3110ff80 | 2701 | dprintk("%s: bad type %d\n", __func__, *type); |
1da177e4 LT |
2702 | return -EIO; |
2703 | } | |
2704 | bitmap[0] &= ~FATTR4_WORD0_TYPE; | |
409924e4 | 2705 | ret = NFS_ATTR_FATTR_TYPE; |
1da177e4 | 2706 | } |
bca79478 | 2707 | dprintk("%s: type=0%o\n", __func__, nfs_type2fmt[*type]); |
409924e4 | 2708 | return ret; |
c0eae66e BH |
2709 | out_overflow: |
2710 | print_overflow_msg(__func__, xdr); | |
2711 | return -EIO; | |
1da177e4 LT |
2712 | } |
2713 | ||
2714 | static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *change) | |
2715 | { | |
8687b63a | 2716 | __be32 *p; |
409924e4 | 2717 | int ret = 0; |
1da177e4 LT |
2718 | |
2719 | *change = 0; | |
2720 | if (unlikely(bitmap[0] & (FATTR4_WORD0_CHANGE - 1U))) | |
2721 | return -EIO; | |
2722 | if (likely(bitmap[0] & FATTR4_WORD0_CHANGE)) { | |
c0eae66e BH |
2723 | p = xdr_inline_decode(xdr, 8); |
2724 | if (unlikely(!p)) | |
2725 | goto out_overflow; | |
cccddf4f | 2726 | xdr_decode_hyper(p, change); |
1da177e4 | 2727 | bitmap[0] &= ~FATTR4_WORD0_CHANGE; |
409924e4 | 2728 | ret = NFS_ATTR_FATTR_CHANGE; |
1da177e4 | 2729 | } |
3110ff80 | 2730 | dprintk("%s: change attribute=%Lu\n", __func__, |
1da177e4 | 2731 | (unsigned long long)*change); |
409924e4 | 2732 | return ret; |
c0eae66e BH |
2733 | out_overflow: |
2734 | print_overflow_msg(__func__, xdr); | |
2735 | return -EIO; | |
1da177e4 LT |
2736 | } |
2737 | ||
2738 | static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *size) | |
2739 | { | |
8687b63a | 2740 | __be32 *p; |
409924e4 | 2741 | int ret = 0; |
1da177e4 LT |
2742 | |
2743 | *size = 0; | |
2744 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SIZE - 1U))) | |
2745 | return -EIO; | |
2746 | if (likely(bitmap[0] & FATTR4_WORD0_SIZE)) { | |
c0eae66e BH |
2747 | p = xdr_inline_decode(xdr, 8); |
2748 | if (unlikely(!p)) | |
2749 | goto out_overflow; | |
cccddf4f | 2750 | xdr_decode_hyper(p, size); |
1da177e4 | 2751 | bitmap[0] &= ~FATTR4_WORD0_SIZE; |
409924e4 | 2752 | ret = NFS_ATTR_FATTR_SIZE; |
1da177e4 | 2753 | } |
3110ff80 | 2754 | dprintk("%s: file size=%Lu\n", __func__, (unsigned long long)*size); |
409924e4 | 2755 | return ret; |
c0eae66e BH |
2756 | out_overflow: |
2757 | print_overflow_msg(__func__, xdr); | |
2758 | return -EIO; | |
1da177e4 LT |
2759 | } |
2760 | ||
2761 | static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
2762 | { | |
8687b63a | 2763 | __be32 *p; |
1da177e4 LT |
2764 | |
2765 | *res = 0; | |
2766 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LINK_SUPPORT - 1U))) | |
2767 | return -EIO; | |
2768 | if (likely(bitmap[0] & FATTR4_WORD0_LINK_SUPPORT)) { | |
c0eae66e BH |
2769 | p = xdr_inline_decode(xdr, 4); |
2770 | if (unlikely(!p)) | |
2771 | goto out_overflow; | |
cccddf4f | 2772 | *res = be32_to_cpup(p); |
1da177e4 LT |
2773 | bitmap[0] &= ~FATTR4_WORD0_LINK_SUPPORT; |
2774 | } | |
3110ff80 | 2775 | dprintk("%s: link support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 | 2776 | return 0; |
c0eae66e BH |
2777 | out_overflow: |
2778 | print_overflow_msg(__func__, xdr); | |
2779 | return -EIO; | |
1da177e4 LT |
2780 | } |
2781 | ||
2782 | static int decode_attr_symlink_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
2783 | { | |
8687b63a | 2784 | __be32 *p; |
1da177e4 LT |
2785 | |
2786 | *res = 0; | |
2787 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SYMLINK_SUPPORT - 1U))) | |
2788 | return -EIO; | |
2789 | if (likely(bitmap[0] & FATTR4_WORD0_SYMLINK_SUPPORT)) { | |
c0eae66e BH |
2790 | p = xdr_inline_decode(xdr, 4); |
2791 | if (unlikely(!p)) | |
2792 | goto out_overflow; | |
cccddf4f | 2793 | *res = be32_to_cpup(p); |
1da177e4 LT |
2794 | bitmap[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT; |
2795 | } | |
3110ff80 | 2796 | dprintk("%s: symlink support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 | 2797 | return 0; |
c0eae66e BH |
2798 | out_overflow: |
2799 | print_overflow_msg(__func__, xdr); | |
2800 | return -EIO; | |
1da177e4 LT |
2801 | } |
2802 | ||
8b4bdcf8 | 2803 | static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fsid *fsid) |
1da177e4 | 2804 | { |
8687b63a | 2805 | __be32 *p; |
409924e4 | 2806 | int ret = 0; |
1da177e4 LT |
2807 | |
2808 | fsid->major = 0; | |
2809 | fsid->minor = 0; | |
2810 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FSID - 1U))) | |
2811 | return -EIO; | |
2812 | if (likely(bitmap[0] & FATTR4_WORD0_FSID)) { | |
c0eae66e BH |
2813 | p = xdr_inline_decode(xdr, 16); |
2814 | if (unlikely(!p)) | |
2815 | goto out_overflow; | |
3ceb4dbb | 2816 | p = xdr_decode_hyper(p, &fsid->major); |
cccddf4f | 2817 | xdr_decode_hyper(p, &fsid->minor); |
1da177e4 | 2818 | bitmap[0] &= ~FATTR4_WORD0_FSID; |
409924e4 | 2819 | ret = NFS_ATTR_FATTR_FSID; |
1da177e4 | 2820 | } |
3110ff80 | 2821 | dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __func__, |
1da177e4 LT |
2822 | (unsigned long long)fsid->major, |
2823 | (unsigned long long)fsid->minor); | |
409924e4 | 2824 | return ret; |
c0eae66e BH |
2825 | out_overflow: |
2826 | print_overflow_msg(__func__, xdr); | |
2827 | return -EIO; | |
1da177e4 LT |
2828 | } |
2829 | ||
2830 | static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
2831 | { | |
8687b63a | 2832 | __be32 *p; |
1da177e4 LT |
2833 | |
2834 | *res = 60; | |
2835 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LEASE_TIME - 1U))) | |
2836 | return -EIO; | |
2837 | if (likely(bitmap[0] & FATTR4_WORD0_LEASE_TIME)) { | |
c0eae66e BH |
2838 | p = xdr_inline_decode(xdr, 4); |
2839 | if (unlikely(!p)) | |
2840 | goto out_overflow; | |
cccddf4f | 2841 | *res = be32_to_cpup(p); |
1da177e4 LT |
2842 | bitmap[0] &= ~FATTR4_WORD0_LEASE_TIME; |
2843 | } | |
3110ff80 | 2844 | dprintk("%s: file size=%u\n", __func__, (unsigned int)*res); |
1da177e4 | 2845 | return 0; |
c0eae66e BH |
2846 | out_overflow: |
2847 | print_overflow_msg(__func__, xdr); | |
2848 | return -EIO; | |
1da177e4 LT |
2849 | } |
2850 | ||
ae42c70a BS |
2851 | static int decode_attr_error(struct xdr_stream *xdr, uint32_t *bitmap) |
2852 | { | |
2853 | __be32 *p; | |
2854 | ||
2855 | if (unlikely(bitmap[0] & (FATTR4_WORD0_RDATTR_ERROR - 1U))) | |
2856 | return -EIO; | |
2857 | if (likely(bitmap[0] & FATTR4_WORD0_RDATTR_ERROR)) { | |
2858 | p = xdr_inline_decode(xdr, 4); | |
2859 | if (unlikely(!p)) | |
2860 | goto out_overflow; | |
2861 | bitmap[0] &= ~FATTR4_WORD0_RDATTR_ERROR; | |
2862 | } | |
2863 | return 0; | |
2864 | out_overflow: | |
2865 | print_overflow_msg(__func__, xdr); | |
2866 | return -EIO; | |
2867 | } | |
2868 | ||
2869 | static int decode_attr_filehandle(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fh *fh) | |
2870 | { | |
2871 | __be32 *p; | |
2872 | int len; | |
2873 | ||
2874 | if (fh == NULL) { | |
2875 | bitmap[0] &= ~FATTR4_WORD0_FILEHANDLE; | |
2876 | return 0; | |
2877 | } | |
2878 | ||
2879 | memset(fh, 0, sizeof(*fh)); | |
2880 | ||
2881 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEHANDLE - 1U))) | |
2882 | return -EIO; | |
2883 | if (likely(bitmap[0] & FATTR4_WORD0_FILEHANDLE)) { | |
2884 | p = xdr_inline_decode(xdr, 4); | |
2885 | if (unlikely(!p)) | |
2886 | goto out_overflow; | |
2887 | len = be32_to_cpup(p); | |
2888 | if (len > NFS4_FHSIZE) | |
2889 | return -EIO; | |
2890 | fh->size = len; | |
2891 | p = xdr_inline_decode(xdr, len); | |
2892 | if (unlikely(!p)) | |
2893 | goto out_overflow; | |
2894 | memcpy(fh->data, p, len); | |
2895 | bitmap[0] &= ~FATTR4_WORD0_FILEHANDLE; | |
2896 | } | |
2897 | return 0; | |
2898 | out_overflow: | |
2899 | print_overflow_msg(__func__, xdr); | |
2900 | return -EIO; | |
2901 | } | |
2902 | ||
1da177e4 LT |
2903 | static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) |
2904 | { | |
8687b63a | 2905 | __be32 *p; |
1da177e4 LT |
2906 | |
2907 | *res = ACL4_SUPPORT_ALLOW_ACL|ACL4_SUPPORT_DENY_ACL; | |
2908 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACLSUPPORT - 1U))) | |
2909 | return -EIO; | |
2910 | if (likely(bitmap[0] & FATTR4_WORD0_ACLSUPPORT)) { | |
c0eae66e BH |
2911 | p = xdr_inline_decode(xdr, 4); |
2912 | if (unlikely(!p)) | |
2913 | goto out_overflow; | |
cccddf4f | 2914 | *res = be32_to_cpup(p); |
1da177e4 LT |
2915 | bitmap[0] &= ~FATTR4_WORD0_ACLSUPPORT; |
2916 | } | |
3110ff80 | 2917 | dprintk("%s: ACLs supported=%u\n", __func__, (unsigned int)*res); |
1da177e4 | 2918 | return 0; |
c0eae66e BH |
2919 | out_overflow: |
2920 | print_overflow_msg(__func__, xdr); | |
2921 | return -EIO; | |
1da177e4 LT |
2922 | } |
2923 | ||
2924 | static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) | |
2925 | { | |
8687b63a | 2926 | __be32 *p; |
409924e4 | 2927 | int ret = 0; |
1da177e4 LT |
2928 | |
2929 | *fileid = 0; | |
2930 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEID - 1U))) | |
2931 | return -EIO; | |
2932 | if (likely(bitmap[0] & FATTR4_WORD0_FILEID)) { | |
c0eae66e BH |
2933 | p = xdr_inline_decode(xdr, 8); |
2934 | if (unlikely(!p)) | |
2935 | goto out_overflow; | |
cccddf4f | 2936 | xdr_decode_hyper(p, fileid); |
1da177e4 | 2937 | bitmap[0] &= ~FATTR4_WORD0_FILEID; |
409924e4 | 2938 | ret = NFS_ATTR_FATTR_FILEID; |
1da177e4 | 2939 | } |
3110ff80 | 2940 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
409924e4 | 2941 | return ret; |
c0eae66e BH |
2942 | out_overflow: |
2943 | print_overflow_msg(__func__, xdr); | |
2944 | return -EIO; | |
1da177e4 LT |
2945 | } |
2946 | ||
99baf625 MN |
2947 | static int decode_attr_mounted_on_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) |
2948 | { | |
8687b63a | 2949 | __be32 *p; |
409924e4 | 2950 | int ret = 0; |
99baf625 MN |
2951 | |
2952 | *fileid = 0; | |
2953 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MOUNTED_ON_FILEID - 1U))) | |
2954 | return -EIO; | |
2955 | if (likely(bitmap[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) { | |
c0eae66e BH |
2956 | p = xdr_inline_decode(xdr, 8); |
2957 | if (unlikely(!p)) | |
2958 | goto out_overflow; | |
cccddf4f | 2959 | xdr_decode_hyper(p, fileid); |
99baf625 | 2960 | bitmap[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID; |
409924e4 | 2961 | ret = NFS_ATTR_FATTR_FILEID; |
99baf625 | 2962 | } |
3110ff80 | 2963 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
409924e4 | 2964 | return ret; |
c0eae66e BH |
2965 | out_overflow: |
2966 | print_overflow_msg(__func__, xdr); | |
2967 | return -EIO; | |
99baf625 MN |
2968 | } |
2969 | ||
1da177e4 LT |
2970 | static int decode_attr_files_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
2971 | { | |
8687b63a | 2972 | __be32 *p; |
1da177e4 LT |
2973 | int status = 0; |
2974 | ||
2975 | *res = 0; | |
2976 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_AVAIL - 1U))) | |
2977 | return -EIO; | |
2978 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_AVAIL)) { | |
c0eae66e BH |
2979 | p = xdr_inline_decode(xdr, 8); |
2980 | if (unlikely(!p)) | |
2981 | goto out_overflow; | |
cccddf4f | 2982 | xdr_decode_hyper(p, res); |
1da177e4 LT |
2983 | bitmap[0] &= ~FATTR4_WORD0_FILES_AVAIL; |
2984 | } | |
3110ff80 | 2985 | dprintk("%s: files avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 2986 | return status; |
c0eae66e BH |
2987 | out_overflow: |
2988 | print_overflow_msg(__func__, xdr); | |
2989 | return -EIO; | |
1da177e4 LT |
2990 | } |
2991 | ||
2992 | static int decode_attr_files_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
2993 | { | |
8687b63a | 2994 | __be32 *p; |
1da177e4 LT |
2995 | int status = 0; |
2996 | ||
2997 | *res = 0; | |
2998 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_FREE - 1U))) | |
2999 | return -EIO; | |
3000 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_FREE)) { | |
c0eae66e BH |
3001 | p = xdr_inline_decode(xdr, 8); |
3002 | if (unlikely(!p)) | |
3003 | goto out_overflow; | |
cccddf4f | 3004 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3005 | bitmap[0] &= ~FATTR4_WORD0_FILES_FREE; |
3006 | } | |
3110ff80 | 3007 | dprintk("%s: files free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3008 | return status; |
c0eae66e BH |
3009 | out_overflow: |
3010 | print_overflow_msg(__func__, xdr); | |
3011 | return -EIO; | |
1da177e4 LT |
3012 | } |
3013 | ||
3014 | static int decode_attr_files_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3015 | { | |
8687b63a | 3016 | __be32 *p; |
1da177e4 LT |
3017 | int status = 0; |
3018 | ||
3019 | *res = 0; | |
3020 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_TOTAL - 1U))) | |
3021 | return -EIO; | |
3022 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_TOTAL)) { | |
c0eae66e BH |
3023 | p = xdr_inline_decode(xdr, 8); |
3024 | if (unlikely(!p)) | |
3025 | goto out_overflow; | |
cccddf4f | 3026 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3027 | bitmap[0] &= ~FATTR4_WORD0_FILES_TOTAL; |
3028 | } | |
3110ff80 | 3029 | dprintk("%s: files total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3030 | return status; |
c0eae66e BH |
3031 | out_overflow: |
3032 | print_overflow_msg(__func__, xdr); | |
3033 | return -EIO; | |
1da177e4 LT |
3034 | } |
3035 | ||
7aaa0b3b MN |
3036 | static int decode_pathname(struct xdr_stream *xdr, struct nfs4_pathname *path) |
3037 | { | |
464ad6b1 | 3038 | u32 n; |
8687b63a | 3039 | __be32 *p; |
7aaa0b3b MN |
3040 | int status = 0; |
3041 | ||
c0eae66e BH |
3042 | p = xdr_inline_decode(xdr, 4); |
3043 | if (unlikely(!p)) | |
3044 | goto out_overflow; | |
cccddf4f | 3045 | n = be32_to_cpup(p); |
33a43f28 AA |
3046 | if (n == 0) |
3047 | goto root_path; | |
7aaa0b3b MN |
3048 | dprintk("path "); |
3049 | path->ncomponents = 0; | |
3050 | while (path->ncomponents < n) { | |
3051 | struct nfs4_string *component = &path->components[path->ncomponents]; | |
3052 | status = decode_opaque_inline(xdr, &component->len, &component->data); | |
3053 | if (unlikely(status != 0)) | |
3054 | goto out_eio; | |
3055 | if (path->ncomponents != n) | |
3056 | dprintk("/"); | |
3057 | dprintk("%s", component->data); | |
3058 | if (path->ncomponents < NFS4_PATHNAME_MAXCOMPONENTS) | |
3059 | path->ncomponents++; | |
3060 | else { | |
3061 | dprintk("cannot parse %d components in path\n", n); | |
3062 | goto out_eio; | |
3063 | } | |
3064 | } | |
3065 | out: | |
3066 | dprintk("\n"); | |
3067 | return status; | |
33a43f28 AA |
3068 | root_path: |
3069 | /* a root pathname is sent as a zero component4 */ | |
3070 | path->ncomponents = 1; | |
3071 | path->components[0].len=0; | |
3072 | path->components[0].data=NULL; | |
3073 | dprintk("path /\n"); | |
3074 | goto out; | |
7aaa0b3b MN |
3075 | out_eio: |
3076 | dprintk(" status %d", status); | |
3077 | status = -EIO; | |
3078 | goto out; | |
c0eae66e BH |
3079 | out_overflow: |
3080 | print_overflow_msg(__func__, xdr); | |
3081 | return -EIO; | |
7aaa0b3b MN |
3082 | } |
3083 | ||
3084 | static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_fs_locations *res) | |
683b57b4 TM |
3085 | { |
3086 | int n; | |
8687b63a | 3087 | __be32 *p; |
683b57b4 TM |
3088 | int status = -EIO; |
3089 | ||
3090 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FS_LOCATIONS -1U))) | |
3091 | goto out; | |
3092 | status = 0; | |
3093 | if (unlikely(!(bitmap[0] & FATTR4_WORD0_FS_LOCATIONS))) | |
3094 | goto out; | |
3110ff80 | 3095 | dprintk("%s: fsroot ", __func__); |
7aaa0b3b | 3096 | status = decode_pathname(xdr, &res->fs_path); |
683b57b4 TM |
3097 | if (unlikely(status != 0)) |
3098 | goto out; | |
c0eae66e BH |
3099 | p = xdr_inline_decode(xdr, 4); |
3100 | if (unlikely(!p)) | |
3101 | goto out_overflow; | |
cccddf4f | 3102 | n = be32_to_cpup(p); |
683b57b4 TM |
3103 | if (n <= 0) |
3104 | goto out_eio; | |
3105 | res->nlocations = 0; | |
3106 | while (res->nlocations < n) { | |
464ad6b1 | 3107 | u32 m; |
7aaa0b3b | 3108 | struct nfs4_fs_location *loc = &res->locations[res->nlocations]; |
683b57b4 | 3109 | |
c0eae66e BH |
3110 | p = xdr_inline_decode(xdr, 4); |
3111 | if (unlikely(!p)) | |
3112 | goto out_overflow; | |
cccddf4f | 3113 | m = be32_to_cpup(p); |
7aaa0b3b MN |
3114 | |
3115 | loc->nservers = 0; | |
3110ff80 | 3116 | dprintk("%s: servers ", __func__); |
7aaa0b3b MN |
3117 | while (loc->nservers < m) { |
3118 | struct nfs4_string *server = &loc->servers[loc->nservers]; | |
3119 | status = decode_opaque_inline(xdr, &server->len, &server->data); | |
3120 | if (unlikely(status != 0)) | |
3121 | goto out_eio; | |
3122 | dprintk("%s ", server->data); | |
3123 | if (loc->nservers < NFS4_FS_LOCATION_MAXSERVERS) | |
3124 | loc->nservers++; | |
3125 | else { | |
464ad6b1 CL |
3126 | unsigned int i; |
3127 | dprintk("%s: using first %u of %u servers " | |
3128 | "returned for location %u\n", | |
3110ff80 | 3129 | __func__, |
464ad6b1 CL |
3130 | NFS4_FS_LOCATION_MAXSERVERS, |
3131 | m, res->nlocations); | |
7aaa0b3b | 3132 | for (i = loc->nservers; i < m; i++) { |
2e42c3e2 | 3133 | unsigned int len; |
7aaa0b3b MN |
3134 | char *data; |
3135 | status = decode_opaque_inline(xdr, &len, &data); | |
3136 | if (unlikely(status != 0)) | |
3137 | goto out_eio; | |
3138 | } | |
3139 | } | |
3140 | } | |
3141 | status = decode_pathname(xdr, &loc->rootpath); | |
683b57b4 TM |
3142 | if (unlikely(status != 0)) |
3143 | goto out_eio; | |
7aaa0b3b | 3144 | if (res->nlocations < NFS4_FS_LOCATIONS_MAXENTRIES) |
683b57b4 TM |
3145 | res->nlocations++; |
3146 | } | |
409924e4 TM |
3147 | if (res->nlocations != 0) |
3148 | status = NFS_ATTR_FATTR_V4_REFERRAL; | |
683b57b4 | 3149 | out: |
3110ff80 | 3150 | dprintk("%s: fs_locations done, error = %d\n", __func__, status); |
683b57b4 | 3151 | return status; |
c0eae66e BH |
3152 | out_overflow: |
3153 | print_overflow_msg(__func__, xdr); | |
683b57b4 TM |
3154 | out_eio: |
3155 | status = -EIO; | |
3156 | goto out; | |
3157 | } | |
3158 | ||
1da177e4 LT |
3159 | static int decode_attr_maxfilesize(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
3160 | { | |
8687b63a | 3161 | __be32 *p; |
1da177e4 LT |
3162 | int status = 0; |
3163 | ||
3164 | *res = 0; | |
3165 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXFILESIZE - 1U))) | |
3166 | return -EIO; | |
3167 | if (likely(bitmap[0] & FATTR4_WORD0_MAXFILESIZE)) { | |
c0eae66e BH |
3168 | p = xdr_inline_decode(xdr, 8); |
3169 | if (unlikely(!p)) | |
3170 | goto out_overflow; | |
cccddf4f | 3171 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3172 | bitmap[0] &= ~FATTR4_WORD0_MAXFILESIZE; |
3173 | } | |
3110ff80 | 3174 | dprintk("%s: maxfilesize=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3175 | return status; |
c0eae66e BH |
3176 | out_overflow: |
3177 | print_overflow_msg(__func__, xdr); | |
3178 | return -EIO; | |
1da177e4 LT |
3179 | } |
3180 | ||
3181 | static int decode_attr_maxlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxlink) | |
3182 | { | |
8687b63a | 3183 | __be32 *p; |
1da177e4 LT |
3184 | int status = 0; |
3185 | ||
3186 | *maxlink = 1; | |
3187 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXLINK - 1U))) | |
3188 | return -EIO; | |
3189 | if (likely(bitmap[0] & FATTR4_WORD0_MAXLINK)) { | |
c0eae66e BH |
3190 | p = xdr_inline_decode(xdr, 4); |
3191 | if (unlikely(!p)) | |
3192 | goto out_overflow; | |
cccddf4f | 3193 | *maxlink = be32_to_cpup(p); |
1da177e4 LT |
3194 | bitmap[0] &= ~FATTR4_WORD0_MAXLINK; |
3195 | } | |
3110ff80 | 3196 | dprintk("%s: maxlink=%u\n", __func__, *maxlink); |
1da177e4 | 3197 | return status; |
c0eae66e BH |
3198 | out_overflow: |
3199 | print_overflow_msg(__func__, xdr); | |
3200 | return -EIO; | |
1da177e4 LT |
3201 | } |
3202 | ||
3203 | static int decode_attr_maxname(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxname) | |
3204 | { | |
8687b63a | 3205 | __be32 *p; |
1da177e4 LT |
3206 | int status = 0; |
3207 | ||
3208 | *maxname = 1024; | |
3209 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXNAME - 1U))) | |
3210 | return -EIO; | |
3211 | if (likely(bitmap[0] & FATTR4_WORD0_MAXNAME)) { | |
c0eae66e BH |
3212 | p = xdr_inline_decode(xdr, 4); |
3213 | if (unlikely(!p)) | |
3214 | goto out_overflow; | |
cccddf4f | 3215 | *maxname = be32_to_cpup(p); |
1da177e4 LT |
3216 | bitmap[0] &= ~FATTR4_WORD0_MAXNAME; |
3217 | } | |
3110ff80 | 3218 | dprintk("%s: maxname=%u\n", __func__, *maxname); |
1da177e4 | 3219 | return status; |
c0eae66e BH |
3220 | out_overflow: |
3221 | print_overflow_msg(__func__, xdr); | |
3222 | return -EIO; | |
1da177e4 LT |
3223 | } |
3224 | ||
3225 | static int decode_attr_maxread(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3226 | { | |
8687b63a | 3227 | __be32 *p; |
1da177e4 LT |
3228 | int status = 0; |
3229 | ||
3230 | *res = 1024; | |
3231 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXREAD - 1U))) | |
3232 | return -EIO; | |
3233 | if (likely(bitmap[0] & FATTR4_WORD0_MAXREAD)) { | |
3234 | uint64_t maxread; | |
c0eae66e BH |
3235 | p = xdr_inline_decode(xdr, 8); |
3236 | if (unlikely(!p)) | |
3237 | goto out_overflow; | |
cccddf4f | 3238 | xdr_decode_hyper(p, &maxread); |
1da177e4 LT |
3239 | if (maxread > 0x7FFFFFFF) |
3240 | maxread = 0x7FFFFFFF; | |
3241 | *res = (uint32_t)maxread; | |
3242 | bitmap[0] &= ~FATTR4_WORD0_MAXREAD; | |
3243 | } | |
3110ff80 | 3244 | dprintk("%s: maxread=%lu\n", __func__, (unsigned long)*res); |
1da177e4 | 3245 | return status; |
c0eae66e BH |
3246 | out_overflow: |
3247 | print_overflow_msg(__func__, xdr); | |
3248 | return -EIO; | |
1da177e4 LT |
3249 | } |
3250 | ||
3251 | static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3252 | { | |
8687b63a | 3253 | __be32 *p; |
1da177e4 LT |
3254 | int status = 0; |
3255 | ||
3256 | *res = 1024; | |
3257 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXWRITE - 1U))) | |
3258 | return -EIO; | |
3259 | if (likely(bitmap[0] & FATTR4_WORD0_MAXWRITE)) { | |
3260 | uint64_t maxwrite; | |
c0eae66e BH |
3261 | p = xdr_inline_decode(xdr, 8); |
3262 | if (unlikely(!p)) | |
3263 | goto out_overflow; | |
cccddf4f | 3264 | xdr_decode_hyper(p, &maxwrite); |
1da177e4 LT |
3265 | if (maxwrite > 0x7FFFFFFF) |
3266 | maxwrite = 0x7FFFFFFF; | |
3267 | *res = (uint32_t)maxwrite; | |
3268 | bitmap[0] &= ~FATTR4_WORD0_MAXWRITE; | |
3269 | } | |
3110ff80 | 3270 | dprintk("%s: maxwrite=%lu\n", __func__, (unsigned long)*res); |
1da177e4 | 3271 | return status; |
c0eae66e BH |
3272 | out_overflow: |
3273 | print_overflow_msg(__func__, xdr); | |
3274 | return -EIO; | |
1da177e4 LT |
3275 | } |
3276 | ||
bca79478 | 3277 | static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, umode_t *mode) |
1da177e4 | 3278 | { |
bca79478 | 3279 | uint32_t tmp; |
8687b63a | 3280 | __be32 *p; |
409924e4 | 3281 | int ret = 0; |
1da177e4 LT |
3282 | |
3283 | *mode = 0; | |
3284 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MODE - 1U))) | |
3285 | return -EIO; | |
3286 | if (likely(bitmap[1] & FATTR4_WORD1_MODE)) { | |
c0eae66e BH |
3287 | p = xdr_inline_decode(xdr, 4); |
3288 | if (unlikely(!p)) | |
3289 | goto out_overflow; | |
cccddf4f | 3290 | tmp = be32_to_cpup(p); |
bca79478 | 3291 | *mode = tmp & ~S_IFMT; |
1da177e4 | 3292 | bitmap[1] &= ~FATTR4_WORD1_MODE; |
409924e4 | 3293 | ret = NFS_ATTR_FATTR_MODE; |
1da177e4 | 3294 | } |
3110ff80 | 3295 | dprintk("%s: file mode=0%o\n", __func__, (unsigned int)*mode); |
409924e4 | 3296 | return ret; |
c0eae66e BH |
3297 | out_overflow: |
3298 | print_overflow_msg(__func__, xdr); | |
3299 | return -EIO; | |
1da177e4 LT |
3300 | } |
3301 | ||
3302 | static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *nlink) | |
3303 | { | |
8687b63a | 3304 | __be32 *p; |
409924e4 | 3305 | int ret = 0; |
1da177e4 LT |
3306 | |
3307 | *nlink = 1; | |
3308 | if (unlikely(bitmap[1] & (FATTR4_WORD1_NUMLINKS - 1U))) | |
3309 | return -EIO; | |
3310 | if (likely(bitmap[1] & FATTR4_WORD1_NUMLINKS)) { | |
c0eae66e BH |
3311 | p = xdr_inline_decode(xdr, 4); |
3312 | if (unlikely(!p)) | |
3313 | goto out_overflow; | |
cccddf4f | 3314 | *nlink = be32_to_cpup(p); |
1da177e4 | 3315 | bitmap[1] &= ~FATTR4_WORD1_NUMLINKS; |
409924e4 | 3316 | ret = NFS_ATTR_FATTR_NLINK; |
1da177e4 | 3317 | } |
3110ff80 | 3318 | dprintk("%s: nlink=%u\n", __func__, (unsigned int)*nlink); |
409924e4 | 3319 | return ret; |
c0eae66e BH |
3320 | out_overflow: |
3321 | print_overflow_msg(__func__, xdr); | |
3322 | return -EIO; | |
1da177e4 LT |
3323 | } |
3324 | ||
80e52ace TM |
3325 | static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, |
3326 | struct nfs_client *clp, uint32_t *uid, int may_sleep) | |
1da177e4 | 3327 | { |
8687b63a AV |
3328 | uint32_t len; |
3329 | __be32 *p; | |
409924e4 | 3330 | int ret = 0; |
1da177e4 LT |
3331 | |
3332 | *uid = -2; | |
3333 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER - 1U))) | |
3334 | return -EIO; | |
3335 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER)) { | |
c0eae66e BH |
3336 | p = xdr_inline_decode(xdr, 4); |
3337 | if (unlikely(!p)) | |
3338 | goto out_overflow; | |
cccddf4f | 3339 | len = be32_to_cpup(p); |
c0eae66e BH |
3340 | p = xdr_inline_decode(xdr, len); |
3341 | if (unlikely(!p)) | |
3342 | goto out_overflow; | |
80e52ace TM |
3343 | if (!may_sleep) { |
3344 | /* do nothing */ | |
3345 | } else if (len < XDR_MAX_NETOBJ) { | |
409924e4 TM |
3346 | if (nfs_map_name_to_uid(clp, (char *)p, len, uid) == 0) |
3347 | ret = NFS_ATTR_FATTR_OWNER; | |
3348 | else | |
1da177e4 | 3349 | dprintk("%s: nfs_map_name_to_uid failed!\n", |
3110ff80 | 3350 | __func__); |
1da177e4 | 3351 | } else |
fe82a183 | 3352 | dprintk("%s: name too long (%u)!\n", |
3110ff80 | 3353 | __func__, len); |
1da177e4 LT |
3354 | bitmap[1] &= ~FATTR4_WORD1_OWNER; |
3355 | } | |
3110ff80 | 3356 | dprintk("%s: uid=%d\n", __func__, (int)*uid); |
409924e4 | 3357 | return ret; |
c0eae66e BH |
3358 | out_overflow: |
3359 | print_overflow_msg(__func__, xdr); | |
3360 | return -EIO; | |
1da177e4 LT |
3361 | } |
3362 | ||
80e52ace TM |
3363 | static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, |
3364 | struct nfs_client *clp, uint32_t *gid, int may_sleep) | |
1da177e4 | 3365 | { |
8687b63a AV |
3366 | uint32_t len; |
3367 | __be32 *p; | |
409924e4 | 3368 | int ret = 0; |
1da177e4 LT |
3369 | |
3370 | *gid = -2; | |
3371 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER_GROUP - 1U))) | |
3372 | return -EIO; | |
3373 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER_GROUP)) { | |
c0eae66e BH |
3374 | p = xdr_inline_decode(xdr, 4); |
3375 | if (unlikely(!p)) | |
3376 | goto out_overflow; | |
cccddf4f | 3377 | len = be32_to_cpup(p); |
c0eae66e BH |
3378 | p = xdr_inline_decode(xdr, len); |
3379 | if (unlikely(!p)) | |
3380 | goto out_overflow; | |
80e52ace TM |
3381 | if (!may_sleep) { |
3382 | /* do nothing */ | |
3383 | } else if (len < XDR_MAX_NETOBJ) { | |
409924e4 TM |
3384 | if (nfs_map_group_to_gid(clp, (char *)p, len, gid) == 0) |
3385 | ret = NFS_ATTR_FATTR_GROUP; | |
3386 | else | |
1da177e4 | 3387 | dprintk("%s: nfs_map_group_to_gid failed!\n", |
3110ff80 | 3388 | __func__); |
1da177e4 | 3389 | } else |
fe82a183 | 3390 | dprintk("%s: name too long (%u)!\n", |
3110ff80 | 3391 | __func__, len); |
1da177e4 LT |
3392 | bitmap[1] &= ~FATTR4_WORD1_OWNER_GROUP; |
3393 | } | |
3110ff80 | 3394 | dprintk("%s: gid=%d\n", __func__, (int)*gid); |
409924e4 | 3395 | return ret; |
c0eae66e BH |
3396 | out_overflow: |
3397 | print_overflow_msg(__func__, xdr); | |
3398 | return -EIO; | |
1da177e4 LT |
3399 | } |
3400 | ||
3401 | static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rdev) | |
3402 | { | |
8687b63a AV |
3403 | uint32_t major = 0, minor = 0; |
3404 | __be32 *p; | |
409924e4 | 3405 | int ret = 0; |
1da177e4 LT |
3406 | |
3407 | *rdev = MKDEV(0,0); | |
3408 | if (unlikely(bitmap[1] & (FATTR4_WORD1_RAWDEV - 1U))) | |
3409 | return -EIO; | |
3410 | if (likely(bitmap[1] & FATTR4_WORD1_RAWDEV)) { | |
3411 | dev_t tmp; | |
3412 | ||
c0eae66e BH |
3413 | p = xdr_inline_decode(xdr, 8); |
3414 | if (unlikely(!p)) | |
3415 | goto out_overflow; | |
6f723f77 | 3416 | major = be32_to_cpup(p++); |
cccddf4f | 3417 | minor = be32_to_cpup(p); |
1da177e4 LT |
3418 | tmp = MKDEV(major, minor); |
3419 | if (MAJOR(tmp) == major && MINOR(tmp) == minor) | |
3420 | *rdev = tmp; | |
3421 | bitmap[1] &= ~ FATTR4_WORD1_RAWDEV; | |
409924e4 | 3422 | ret = NFS_ATTR_FATTR_RDEV; |
1da177e4 | 3423 | } |
3110ff80 | 3424 | dprintk("%s: rdev=(0x%x:0x%x)\n", __func__, major, minor); |
409924e4 | 3425 | return ret; |
c0eae66e BH |
3426 | out_overflow: |
3427 | print_overflow_msg(__func__, xdr); | |
3428 | return -EIO; | |
1da177e4 LT |
3429 | } |
3430 | ||
3431 | static int decode_attr_space_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3432 | { | |
8687b63a | 3433 | __be32 *p; |
1da177e4 LT |
3434 | int status = 0; |
3435 | ||
3436 | *res = 0; | |
3437 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_AVAIL - 1U))) | |
3438 | return -EIO; | |
3439 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_AVAIL)) { | |
c0eae66e BH |
3440 | p = xdr_inline_decode(xdr, 8); |
3441 | if (unlikely(!p)) | |
3442 | goto out_overflow; | |
cccddf4f | 3443 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3444 | bitmap[1] &= ~FATTR4_WORD1_SPACE_AVAIL; |
3445 | } | |
3110ff80 | 3446 | dprintk("%s: space avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3447 | return status; |
c0eae66e BH |
3448 | out_overflow: |
3449 | print_overflow_msg(__func__, xdr); | |
3450 | return -EIO; | |
1da177e4 LT |
3451 | } |
3452 | ||
3453 | static int decode_attr_space_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3454 | { | |
8687b63a | 3455 | __be32 *p; |
1da177e4 LT |
3456 | int status = 0; |
3457 | ||
3458 | *res = 0; | |
3459 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_FREE - 1U))) | |
3460 | return -EIO; | |
3461 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_FREE)) { | |
c0eae66e BH |
3462 | p = xdr_inline_decode(xdr, 8); |
3463 | if (unlikely(!p)) | |
3464 | goto out_overflow; | |
cccddf4f | 3465 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3466 | bitmap[1] &= ~FATTR4_WORD1_SPACE_FREE; |
3467 | } | |
3110ff80 | 3468 | dprintk("%s: space free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3469 | return status; |
c0eae66e BH |
3470 | out_overflow: |
3471 | print_overflow_msg(__func__, xdr); | |
3472 | return -EIO; | |
1da177e4 LT |
3473 | } |
3474 | ||
3475 | static int decode_attr_space_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3476 | { | |
8687b63a | 3477 | __be32 *p; |
1da177e4 LT |
3478 | int status = 0; |
3479 | ||
3480 | *res = 0; | |
3481 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_TOTAL - 1U))) | |
3482 | return -EIO; | |
3483 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_TOTAL)) { | |
c0eae66e BH |
3484 | p = xdr_inline_decode(xdr, 8); |
3485 | if (unlikely(!p)) | |
3486 | goto out_overflow; | |
cccddf4f | 3487 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3488 | bitmap[1] &= ~FATTR4_WORD1_SPACE_TOTAL; |
3489 | } | |
3110ff80 | 3490 | dprintk("%s: space total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3491 | return status; |
c0eae66e BH |
3492 | out_overflow: |
3493 | print_overflow_msg(__func__, xdr); | |
3494 | return -EIO; | |
1da177e4 LT |
3495 | } |
3496 | ||
3497 | static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *used) | |
3498 | { | |
8687b63a | 3499 | __be32 *p; |
409924e4 | 3500 | int ret = 0; |
1da177e4 LT |
3501 | |
3502 | *used = 0; | |
3503 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_USED - 1U))) | |
3504 | return -EIO; | |
3505 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_USED)) { | |
c0eae66e BH |
3506 | p = xdr_inline_decode(xdr, 8); |
3507 | if (unlikely(!p)) | |
3508 | goto out_overflow; | |
cccddf4f | 3509 | xdr_decode_hyper(p, used); |
1da177e4 | 3510 | bitmap[1] &= ~FATTR4_WORD1_SPACE_USED; |
409924e4 | 3511 | ret = NFS_ATTR_FATTR_SPACE_USED; |
1da177e4 | 3512 | } |
3110ff80 | 3513 | dprintk("%s: space used=%Lu\n", __func__, |
1da177e4 | 3514 | (unsigned long long)*used); |
409924e4 | 3515 | return ret; |
c0eae66e BH |
3516 | out_overflow: |
3517 | print_overflow_msg(__func__, xdr); | |
3518 | return -EIO; | |
1da177e4 LT |
3519 | } |
3520 | ||
3521 | static int decode_attr_time(struct xdr_stream *xdr, struct timespec *time) | |
3522 | { | |
8687b63a | 3523 | __be32 *p; |
1da177e4 LT |
3524 | uint64_t sec; |
3525 | uint32_t nsec; | |
3526 | ||
c0eae66e BH |
3527 | p = xdr_inline_decode(xdr, 12); |
3528 | if (unlikely(!p)) | |
3529 | goto out_overflow; | |
3ceb4dbb | 3530 | p = xdr_decode_hyper(p, &sec); |
cccddf4f | 3531 | nsec = be32_to_cpup(p); |
1da177e4 LT |
3532 | time->tv_sec = (time_t)sec; |
3533 | time->tv_nsec = (long)nsec; | |
3534 | return 0; | |
c0eae66e BH |
3535 | out_overflow: |
3536 | print_overflow_msg(__func__, xdr); | |
3537 | return -EIO; | |
1da177e4 LT |
3538 | } |
3539 | ||
3540 | static int decode_attr_time_access(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
3541 | { | |
3542 | int status = 0; | |
3543 | ||
3544 | time->tv_sec = 0; | |
3545 | time->tv_nsec = 0; | |
3546 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_ACCESS - 1U))) | |
3547 | return -EIO; | |
3548 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_ACCESS)) { | |
3549 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
3550 | if (status == 0) |
3551 | status = NFS_ATTR_FATTR_ATIME; | |
1da177e4 LT |
3552 | bitmap[1] &= ~FATTR4_WORD1_TIME_ACCESS; |
3553 | } | |
3110ff80 | 3554 | dprintk("%s: atime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
3555 | return status; |
3556 | } | |
3557 | ||
3558 | static int decode_attr_time_metadata(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
3559 | { | |
3560 | int status = 0; | |
3561 | ||
3562 | time->tv_sec = 0; | |
3563 | time->tv_nsec = 0; | |
3564 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_METADATA - 1U))) | |
3565 | return -EIO; | |
3566 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_METADATA)) { | |
3567 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
3568 | if (status == 0) |
3569 | status = NFS_ATTR_FATTR_CTIME; | |
1da177e4 LT |
3570 | bitmap[1] &= ~FATTR4_WORD1_TIME_METADATA; |
3571 | } | |
3110ff80 | 3572 | dprintk("%s: ctime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
3573 | return status; |
3574 | } | |
3575 | ||
3576 | static int decode_attr_time_modify(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
3577 | { | |
3578 | int status = 0; | |
3579 | ||
3580 | time->tv_sec = 0; | |
3581 | time->tv_nsec = 0; | |
3582 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_MODIFY - 1U))) | |
3583 | return -EIO; | |
3584 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_MODIFY)) { | |
3585 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
3586 | if (status == 0) |
3587 | status = NFS_ATTR_FATTR_MTIME; | |
1da177e4 LT |
3588 | bitmap[1] &= ~FATTR4_WORD1_TIME_MODIFY; |
3589 | } | |
3110ff80 | 3590 | dprintk("%s: mtime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
3591 | return status; |
3592 | } | |
3593 | ||
8687b63a | 3594 | static int verify_attr_len(struct xdr_stream *xdr, __be32 *savep, uint32_t attrlen) |
1da177e4 LT |
3595 | { |
3596 | unsigned int attrwords = XDR_QUADLEN(attrlen); | |
3597 | unsigned int nwords = xdr->p - savep; | |
3598 | ||
3599 | if (unlikely(attrwords != nwords)) { | |
fe82a183 CL |
3600 | dprintk("%s: server returned incorrect attribute length: " |
3601 | "%u %c %u\n", | |
3110ff80 | 3602 | __func__, |
1da177e4 LT |
3603 | attrwords << 2, |
3604 | (attrwords < nwords) ? '<' : '>', | |
3605 | nwords << 2); | |
3606 | return -EIO; | |
3607 | } | |
3608 | return 0; | |
3609 | } | |
3610 | ||
3611 | static int decode_change_info(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
3612 | { | |
8687b63a | 3613 | __be32 *p; |
1da177e4 | 3614 | |
c0eae66e BH |
3615 | p = xdr_inline_decode(xdr, 20); |
3616 | if (unlikely(!p)) | |
3617 | goto out_overflow; | |
6f723f77 | 3618 | cinfo->atomic = be32_to_cpup(p++); |
3ceb4dbb | 3619 | p = xdr_decode_hyper(p, &cinfo->before); |
cccddf4f | 3620 | xdr_decode_hyper(p, &cinfo->after); |
1da177e4 | 3621 | return 0; |
c0eae66e BH |
3622 | out_overflow: |
3623 | print_overflow_msg(__func__, xdr); | |
3624 | return -EIO; | |
1da177e4 LT |
3625 | } |
3626 | ||
3627 | static int decode_access(struct xdr_stream *xdr, struct nfs4_accessres *access) | |
3628 | { | |
8687b63a | 3629 | __be32 *p; |
1da177e4 LT |
3630 | uint32_t supp, acc; |
3631 | int status; | |
3632 | ||
3633 | status = decode_op_hdr(xdr, OP_ACCESS); | |
3634 | if (status) | |
3635 | return status; | |
c0eae66e BH |
3636 | p = xdr_inline_decode(xdr, 8); |
3637 | if (unlikely(!p)) | |
3638 | goto out_overflow; | |
6f723f77 | 3639 | supp = be32_to_cpup(p++); |
cccddf4f | 3640 | acc = be32_to_cpup(p); |
1da177e4 LT |
3641 | access->supported = supp; |
3642 | access->access = acc; | |
3643 | return 0; | |
c0eae66e BH |
3644 | out_overflow: |
3645 | print_overflow_msg(__func__, xdr); | |
3646 | return -EIO; | |
1da177e4 LT |
3647 | } |
3648 | ||
07d30434 | 3649 | static int decode_opaque_fixed(struct xdr_stream *xdr, void *buf, size_t len) |
1da177e4 | 3650 | { |
8687b63a | 3651 | __be32 *p; |
07d30434 BH |
3652 | |
3653 | p = xdr_inline_decode(xdr, len); | |
3654 | if (likely(p)) { | |
3655 | memcpy(buf, p, len); | |
3656 | return 0; | |
3657 | } | |
3658 | print_overflow_msg(__func__, xdr); | |
3659 | return -EIO; | |
3660 | } | |
3661 | ||
3662 | static int decode_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) | |
3663 | { | |
3664 | return decode_opaque_fixed(xdr, stateid->data, NFS4_STATEID_SIZE); | |
3665 | } | |
3666 | ||
3667 | static int decode_close(struct xdr_stream *xdr, struct nfs_closeres *res) | |
3668 | { | |
1da177e4 LT |
3669 | int status; |
3670 | ||
3671 | status = decode_op_hdr(xdr, OP_CLOSE); | |
c1d51931 TM |
3672 | if (status != -EIO) |
3673 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
3674 | if (!status) |
3675 | status = decode_stateid(xdr, &res->stateid); | |
3676 | return status; | |
1da177e4 LT |
3677 | } |
3678 | ||
db942bbd BH |
3679 | static int decode_verifier(struct xdr_stream *xdr, void *verifier) |
3680 | { | |
3681 | return decode_opaque_fixed(xdr, verifier, 8); | |
1da177e4 LT |
3682 | } |
3683 | ||
3684 | static int decode_commit(struct xdr_stream *xdr, struct nfs_writeres *res) | |
3685 | { | |
1da177e4 LT |
3686 | int status; |
3687 | ||
3688 | status = decode_op_hdr(xdr, OP_COMMIT); | |
db942bbd BH |
3689 | if (!status) |
3690 | status = decode_verifier(xdr, res->verf->verifier); | |
3691 | return status; | |
1da177e4 LT |
3692 | } |
3693 | ||
3694 | static int decode_create(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
3695 | { | |
8687b63a | 3696 | __be32 *p; |
1da177e4 LT |
3697 | uint32_t bmlen; |
3698 | int status; | |
3699 | ||
3700 | status = decode_op_hdr(xdr, OP_CREATE); | |
3701 | if (status) | |
3702 | return status; | |
3703 | if ((status = decode_change_info(xdr, cinfo))) | |
3704 | return status; | |
c0eae66e BH |
3705 | p = xdr_inline_decode(xdr, 4); |
3706 | if (unlikely(!p)) | |
3707 | goto out_overflow; | |
cccddf4f | 3708 | bmlen = be32_to_cpup(p); |
c0eae66e BH |
3709 | p = xdr_inline_decode(xdr, bmlen << 2); |
3710 | if (likely(p)) | |
3711 | return 0; | |
3712 | out_overflow: | |
3713 | print_overflow_msg(__func__, xdr); | |
3714 | return -EIO; | |
1da177e4 LT |
3715 | } |
3716 | ||
3717 | static int decode_server_caps(struct xdr_stream *xdr, struct nfs4_server_caps_res *res) | |
3718 | { | |
8687b63a | 3719 | __be32 *savep; |
6c0195a4 | 3720 | uint32_t attrlen, bitmap[2] = {0}; |
1da177e4 LT |
3721 | int status; |
3722 | ||
3723 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
3724 | goto xdr_error; | |
3725 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
3726 | goto xdr_error; | |
3727 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
3728 | goto xdr_error; | |
3729 | if ((status = decode_attr_supported(xdr, bitmap, res->attr_bitmask)) != 0) | |
3730 | goto xdr_error; | |
3731 | if ((status = decode_attr_link_support(xdr, bitmap, &res->has_links)) != 0) | |
3732 | goto xdr_error; | |
3733 | if ((status = decode_attr_symlink_support(xdr, bitmap, &res->has_symlinks)) != 0) | |
3734 | goto xdr_error; | |
3735 | if ((status = decode_attr_aclsupport(xdr, bitmap, &res->acl_bitmask)) != 0) | |
3736 | goto xdr_error; | |
3737 | status = verify_attr_len(xdr, savep, attrlen); | |
3738 | xdr_error: | |
3110ff80 | 3739 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
3740 | return status; |
3741 | } | |
6c0195a4 | 3742 | |
1da177e4 LT |
3743 | static int decode_statfs(struct xdr_stream *xdr, struct nfs_fsstat *fsstat) |
3744 | { | |
8687b63a | 3745 | __be32 *savep; |
6c0195a4 | 3746 | uint32_t attrlen, bitmap[2] = {0}; |
1da177e4 | 3747 | int status; |
6c0195a4 | 3748 | |
1da177e4 LT |
3749 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
3750 | goto xdr_error; | |
3751 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
3752 | goto xdr_error; | |
3753 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
3754 | goto xdr_error; | |
3755 | ||
3756 | if ((status = decode_attr_files_avail(xdr, bitmap, &fsstat->afiles)) != 0) | |
3757 | goto xdr_error; | |
3758 | if ((status = decode_attr_files_free(xdr, bitmap, &fsstat->ffiles)) != 0) | |
3759 | goto xdr_error; | |
3760 | if ((status = decode_attr_files_total(xdr, bitmap, &fsstat->tfiles)) != 0) | |
3761 | goto xdr_error; | |
3762 | if ((status = decode_attr_space_avail(xdr, bitmap, &fsstat->abytes)) != 0) | |
3763 | goto xdr_error; | |
3764 | if ((status = decode_attr_space_free(xdr, bitmap, &fsstat->fbytes)) != 0) | |
3765 | goto xdr_error; | |
3766 | if ((status = decode_attr_space_total(xdr, bitmap, &fsstat->tbytes)) != 0) | |
3767 | goto xdr_error; | |
3768 | ||
3769 | status = verify_attr_len(xdr, savep, attrlen); | |
3770 | xdr_error: | |
3110ff80 | 3771 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
3772 | return status; |
3773 | } | |
3774 | ||
3775 | static int decode_pathconf(struct xdr_stream *xdr, struct nfs_pathconf *pathconf) | |
3776 | { | |
8687b63a | 3777 | __be32 *savep; |
6c0195a4 | 3778 | uint32_t attrlen, bitmap[2] = {0}; |
1da177e4 | 3779 | int status; |
6c0195a4 | 3780 | |
1da177e4 LT |
3781 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
3782 | goto xdr_error; | |
3783 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
3784 | goto xdr_error; | |
3785 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
3786 | goto xdr_error; | |
3787 | ||
3788 | if ((status = decode_attr_maxlink(xdr, bitmap, &pathconf->max_link)) != 0) | |
3789 | goto xdr_error; | |
3790 | if ((status = decode_attr_maxname(xdr, bitmap, &pathconf->max_namelen)) != 0) | |
3791 | goto xdr_error; | |
3792 | ||
3793 | status = verify_attr_len(xdr, savep, attrlen); | |
3794 | xdr_error: | |
3110ff80 | 3795 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
3796 | return status; |
3797 | } | |
3798 | ||
ae42c70a BS |
3799 | static int decode_getfattr_attrs(struct xdr_stream *xdr, uint32_t *bitmap, |
3800 | struct nfs_fattr *fattr, struct nfs_fh *fh, | |
80e52ace | 3801 | const struct nfs_server *server, int may_sleep) |
1da177e4 | 3802 | { |
bca79478 TM |
3803 | int status; |
3804 | umode_t fmode = 0; | |
99baf625 | 3805 | uint64_t fileid; |
ae42c70a | 3806 | uint32_t type; |
1da177e4 | 3807 | |
f26c7a78 TM |
3808 | status = decode_attr_type(xdr, bitmap, &type); |
3809 | if (status < 0) | |
1da177e4 | 3810 | goto xdr_error; |
409924e4 TM |
3811 | fattr->mode = 0; |
3812 | if (status != 0) { | |
3813 | fattr->mode |= nfs_type2fmt[type]; | |
3814 | fattr->valid |= status; | |
3815 | } | |
1da177e4 | 3816 | |
f26c7a78 TM |
3817 | status = decode_attr_change(xdr, bitmap, &fattr->change_attr); |
3818 | if (status < 0) | |
1da177e4 | 3819 | goto xdr_error; |
409924e4 | 3820 | fattr->valid |= status; |
f26c7a78 TM |
3821 | |
3822 | status = decode_attr_size(xdr, bitmap, &fattr->size); | |
3823 | if (status < 0) | |
1da177e4 | 3824 | goto xdr_error; |
409924e4 | 3825 | fattr->valid |= status; |
f26c7a78 TM |
3826 | |
3827 | status = decode_attr_fsid(xdr, bitmap, &fattr->fsid); | |
3828 | if (status < 0) | |
1da177e4 | 3829 | goto xdr_error; |
409924e4 | 3830 | fattr->valid |= status; |
f26c7a78 | 3831 | |
ae42c70a BS |
3832 | status = decode_attr_error(xdr, bitmap); |
3833 | if (status < 0) | |
3834 | goto xdr_error; | |
3835 | ||
3836 | status = decode_attr_filehandle(xdr, bitmap, fh); | |
3837 | if (status < 0) | |
3838 | goto xdr_error; | |
3839 | ||
f26c7a78 TM |
3840 | status = decode_attr_fileid(xdr, bitmap, &fattr->fileid); |
3841 | if (status < 0) | |
1da177e4 | 3842 | goto xdr_error; |
409924e4 | 3843 | fattr->valid |= status; |
f26c7a78 TM |
3844 | |
3845 | status = decode_attr_fs_locations(xdr, bitmap, container_of(fattr, | |
7aaa0b3b | 3846 | struct nfs4_fs_locations, |
f26c7a78 TM |
3847 | fattr)); |
3848 | if (status < 0) | |
683b57b4 | 3849 | goto xdr_error; |
409924e4 | 3850 | fattr->valid |= status; |
f26c7a78 TM |
3851 | |
3852 | status = decode_attr_mode(xdr, bitmap, &fmode); | |
3853 | if (status < 0) | |
1da177e4 | 3854 | goto xdr_error; |
409924e4 TM |
3855 | if (status != 0) { |
3856 | fattr->mode |= fmode; | |
3857 | fattr->valid |= status; | |
3858 | } | |
f26c7a78 TM |
3859 | |
3860 | status = decode_attr_nlink(xdr, bitmap, &fattr->nlink); | |
3861 | if (status < 0) | |
1da177e4 | 3862 | goto xdr_error; |
409924e4 | 3863 | fattr->valid |= status; |
f26c7a78 | 3864 | |
80e52ace TM |
3865 | status = decode_attr_owner(xdr, bitmap, server->nfs_client, |
3866 | &fattr->uid, may_sleep); | |
f26c7a78 | 3867 | if (status < 0) |
1da177e4 | 3868 | goto xdr_error; |
409924e4 | 3869 | fattr->valid |= status; |
f26c7a78 | 3870 | |
80e52ace TM |
3871 | status = decode_attr_group(xdr, bitmap, server->nfs_client, |
3872 | &fattr->gid, may_sleep); | |
f26c7a78 | 3873 | if (status < 0) |
1da177e4 | 3874 | goto xdr_error; |
409924e4 | 3875 | fattr->valid |= status; |
f26c7a78 TM |
3876 | |
3877 | status = decode_attr_rdev(xdr, bitmap, &fattr->rdev); | |
3878 | if (status < 0) | |
1da177e4 | 3879 | goto xdr_error; |
409924e4 | 3880 | fattr->valid |= status; |
f26c7a78 TM |
3881 | |
3882 | status = decode_attr_space_used(xdr, bitmap, &fattr->du.nfs3.used); | |
3883 | if (status < 0) | |
1da177e4 | 3884 | goto xdr_error; |
409924e4 | 3885 | fattr->valid |= status; |
f26c7a78 TM |
3886 | |
3887 | status = decode_attr_time_access(xdr, bitmap, &fattr->atime); | |
3888 | if (status < 0) | |
1da177e4 | 3889 | goto xdr_error; |
409924e4 | 3890 | fattr->valid |= status; |
f26c7a78 TM |
3891 | |
3892 | status = decode_attr_time_metadata(xdr, bitmap, &fattr->ctime); | |
3893 | if (status < 0) | |
1da177e4 | 3894 | goto xdr_error; |
409924e4 | 3895 | fattr->valid |= status; |
f26c7a78 TM |
3896 | |
3897 | status = decode_attr_time_modify(xdr, bitmap, &fattr->mtime); | |
3898 | if (status < 0) | |
1da177e4 | 3899 | goto xdr_error; |
409924e4 | 3900 | fattr->valid |= status; |
f26c7a78 TM |
3901 | |
3902 | status = decode_attr_mounted_on_fileid(xdr, bitmap, &fileid); | |
3903 | if (status < 0) | |
99baf625 | 3904 | goto xdr_error; |
ae42c70a | 3905 | if (status != 0) { |
99baf625 | 3906 | fattr->fileid = fileid; |
409924e4 TM |
3907 | fattr->valid |= status; |
3908 | } | |
f26c7a78 | 3909 | |
ae42c70a BS |
3910 | xdr_error: |
3911 | dprintk("%s: xdr returned %d\n", __func__, -status); | |
3912 | return status; | |
3913 | } | |
3914 | ||
3915 | static int decode_getfattr_generic(struct xdr_stream *xdr, struct nfs_fattr *fattr, | |
3916 | struct nfs_fh *fh, const struct nfs_server *server, int may_sleep) | |
3917 | { | |
3918 | __be32 *savep; | |
3919 | uint32_t attrlen, | |
3920 | bitmap[2] = {0}; | |
3921 | int status; | |
3922 | ||
3923 | status = decode_op_hdr(xdr, OP_GETATTR); | |
3924 | if (status < 0) | |
3925 | goto xdr_error; | |
3926 | ||
3927 | status = decode_attr_bitmap(xdr, bitmap); | |
3928 | if (status < 0) | |
3929 | goto xdr_error; | |
3930 | ||
3931 | status = decode_attr_length(xdr, &attrlen, &savep); | |
3932 | if (status < 0) | |
3933 | goto xdr_error; | |
3934 | ||
3935 | status = decode_getfattr_attrs(xdr, bitmap, fattr, fh, server, may_sleep); | |
3936 | if (status < 0) | |
3937 | goto xdr_error; | |
3938 | ||
f26c7a78 | 3939 | status = verify_attr_len(xdr, savep, attrlen); |
1da177e4 | 3940 | xdr_error: |
3110ff80 | 3941 | dprintk("%s: xdr returned %d\n", __func__, -status); |
1da177e4 LT |
3942 | return status; |
3943 | } | |
3944 | ||
ae42c70a BS |
3945 | static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr, |
3946 | const struct nfs_server *server, int may_sleep) | |
3947 | { | |
3948 | return decode_getfattr_generic(xdr, fattr, NULL, server, may_sleep); | |
3949 | } | |
1da177e4 LT |
3950 | |
3951 | static int decode_fsinfo(struct xdr_stream *xdr, struct nfs_fsinfo *fsinfo) | |
3952 | { | |
8687b63a | 3953 | __be32 *savep; |
1da177e4 LT |
3954 | uint32_t attrlen, bitmap[2]; |
3955 | int status; | |
3956 | ||
3957 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
3958 | goto xdr_error; | |
3959 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
3960 | goto xdr_error; | |
3961 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
3962 | goto xdr_error; | |
3963 | ||
3964 | fsinfo->rtmult = fsinfo->wtmult = 512; /* ??? */ | |
3965 | ||
3966 | if ((status = decode_attr_lease_time(xdr, bitmap, &fsinfo->lease_time)) != 0) | |
3967 | goto xdr_error; | |
3968 | if ((status = decode_attr_maxfilesize(xdr, bitmap, &fsinfo->maxfilesize)) != 0) | |
3969 | goto xdr_error; | |
3970 | if ((status = decode_attr_maxread(xdr, bitmap, &fsinfo->rtmax)) != 0) | |
3971 | goto xdr_error; | |
3972 | fsinfo->rtpref = fsinfo->dtpref = fsinfo->rtmax; | |
3973 | if ((status = decode_attr_maxwrite(xdr, bitmap, &fsinfo->wtmax)) != 0) | |
3974 | goto xdr_error; | |
3975 | fsinfo->wtpref = fsinfo->wtmax; | |
3976 | ||
3977 | status = verify_attr_len(xdr, savep, attrlen); | |
3978 | xdr_error: | |
3110ff80 | 3979 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
3980 | return status; |
3981 | } | |
3982 | ||
3983 | static int decode_getfh(struct xdr_stream *xdr, struct nfs_fh *fh) | |
3984 | { | |
8687b63a | 3985 | __be32 *p; |
1da177e4 LT |
3986 | uint32_t len; |
3987 | int status; | |
3988 | ||
9936781d TM |
3989 | /* Zero handle first to allow comparisons */ |
3990 | memset(fh, 0, sizeof(*fh)); | |
3991 | ||
1da177e4 LT |
3992 | status = decode_op_hdr(xdr, OP_GETFH); |
3993 | if (status) | |
3994 | return status; | |
1da177e4 | 3995 | |
c0eae66e BH |
3996 | p = xdr_inline_decode(xdr, 4); |
3997 | if (unlikely(!p)) | |
3998 | goto out_overflow; | |
cccddf4f | 3999 | len = be32_to_cpup(p); |
1da177e4 LT |
4000 | if (len > NFS4_FHSIZE) |
4001 | return -EIO; | |
4002 | fh->size = len; | |
c0eae66e BH |
4003 | p = xdr_inline_decode(xdr, len); |
4004 | if (unlikely(!p)) | |
4005 | goto out_overflow; | |
99398d06 | 4006 | memcpy(fh->data, p, len); |
1da177e4 | 4007 | return 0; |
c0eae66e BH |
4008 | out_overflow: |
4009 | print_overflow_msg(__func__, xdr); | |
4010 | return -EIO; | |
1da177e4 LT |
4011 | } |
4012 | ||
4013 | static int decode_link(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4014 | { | |
4015 | int status; | |
6c0195a4 | 4016 | |
1da177e4 LT |
4017 | status = decode_op_hdr(xdr, OP_LINK); |
4018 | if (status) | |
4019 | return status; | |
4020 | return decode_change_info(xdr, cinfo); | |
4021 | } | |
4022 | ||
4023 | /* | |
4024 | * We create the owner, so we know a proper owner.id length is 4. | |
4025 | */ | |
911d1aaf | 4026 | static int decode_lock_denied (struct xdr_stream *xdr, struct file_lock *fl) |
1da177e4 | 4027 | { |
911d1aaf | 4028 | uint64_t offset, length, clientid; |
8687b63a | 4029 | __be32 *p; |
911d1aaf | 4030 | uint32_t namelen, type; |
1da177e4 | 4031 | |
babddc72 | 4032 | p = xdr_inline_decode(xdr, 32); /* read 32 bytes */ |
c0eae66e BH |
4033 | if (unlikely(!p)) |
4034 | goto out_overflow; | |
babddc72 | 4035 | p = xdr_decode_hyper(p, &offset); /* read 2 8-byte long words */ |
3ceb4dbb | 4036 | p = xdr_decode_hyper(p, &length); |
babddc72 BS |
4037 | type = be32_to_cpup(p++); /* 4 byte read */ |
4038 | if (fl != NULL) { /* manipulate file lock */ | |
911d1aaf TM |
4039 | fl->fl_start = (loff_t)offset; |
4040 | fl->fl_end = fl->fl_start + (loff_t)length - 1; | |
4041 | if (length == ~(uint64_t)0) | |
4042 | fl->fl_end = OFFSET_MAX; | |
4043 | fl->fl_type = F_WRLCK; | |
4044 | if (type & 1) | |
4045 | fl->fl_type = F_RDLCK; | |
4046 | fl->fl_pid = 0; | |
4047 | } | |
babddc72 BS |
4048 | p = xdr_decode_hyper(p, &clientid); /* read 8 bytes */ |
4049 | namelen = be32_to_cpup(p); /* read 4 bytes */ /* have read all 32 bytes now */ | |
4050 | p = xdr_inline_decode(xdr, namelen); /* variable size field */ | |
c0eae66e BH |
4051 | if (likely(p)) |
4052 | return -NFS4ERR_DENIED; | |
4053 | out_overflow: | |
4054 | print_overflow_msg(__func__, xdr); | |
4055 | return -EIO; | |
1da177e4 LT |
4056 | } |
4057 | ||
911d1aaf | 4058 | static int decode_lock(struct xdr_stream *xdr, struct nfs_lock_res *res) |
1da177e4 | 4059 | { |
1da177e4 LT |
4060 | int status; |
4061 | ||
4062 | status = decode_op_hdr(xdr, OP_LOCK); | |
c1d51931 TM |
4063 | if (status == -EIO) |
4064 | goto out; | |
1da177e4 | 4065 | if (status == 0) { |
07d30434 BH |
4066 | status = decode_stateid(xdr, &res->stateid); |
4067 | if (unlikely(status)) | |
4068 | goto out; | |
1da177e4 | 4069 | } else if (status == -NFS4ERR_DENIED) |
c1d51931 TM |
4070 | status = decode_lock_denied(xdr, NULL); |
4071 | if (res->open_seqid != NULL) | |
4072 | nfs_increment_open_seqid(status, res->open_seqid); | |
4073 | nfs_increment_lock_seqid(status, res->lock_seqid); | |
4074 | out: | |
1da177e4 LT |
4075 | return status; |
4076 | } | |
4077 | ||
911d1aaf | 4078 | static int decode_lockt(struct xdr_stream *xdr, struct nfs_lockt_res *res) |
1da177e4 LT |
4079 | { |
4080 | int status; | |
4081 | status = decode_op_hdr(xdr, OP_LOCKT); | |
4082 | if (status == -NFS4ERR_DENIED) | |
911d1aaf | 4083 | return decode_lock_denied(xdr, res->denied); |
1da177e4 LT |
4084 | return status; |
4085 | } | |
4086 | ||
911d1aaf | 4087 | static int decode_locku(struct xdr_stream *xdr, struct nfs_locku_res *res) |
1da177e4 | 4088 | { |
1da177e4 LT |
4089 | int status; |
4090 | ||
4091 | status = decode_op_hdr(xdr, OP_LOCKU); | |
c1d51931 TM |
4092 | if (status != -EIO) |
4093 | nfs_increment_lock_seqid(status, res->seqid); | |
07d30434 BH |
4094 | if (status == 0) |
4095 | status = decode_stateid(xdr, &res->stateid); | |
1da177e4 LT |
4096 | return status; |
4097 | } | |
4098 | ||
d3c7b7cc TM |
4099 | static int decode_release_lockowner(struct xdr_stream *xdr) |
4100 | { | |
4101 | return decode_op_hdr(xdr, OP_RELEASE_LOCKOWNER); | |
4102 | } | |
4103 | ||
1da177e4 LT |
4104 | static int decode_lookup(struct xdr_stream *xdr) |
4105 | { | |
4106 | return decode_op_hdr(xdr, OP_LOOKUP); | |
4107 | } | |
4108 | ||
4109 | /* This is too sick! */ | |
4110 | static int decode_space_limit(struct xdr_stream *xdr, u64 *maxsize) | |
4111 | { | |
05d564fe | 4112 | __be32 *p; |
1da177e4 LT |
4113 | uint32_t limit_type, nblocks, blocksize; |
4114 | ||
c0eae66e BH |
4115 | p = xdr_inline_decode(xdr, 12); |
4116 | if (unlikely(!p)) | |
4117 | goto out_overflow; | |
6f723f77 | 4118 | limit_type = be32_to_cpup(p++); |
1da177e4 | 4119 | switch (limit_type) { |
05d564fe | 4120 | case 1: |
cccddf4f | 4121 | xdr_decode_hyper(p, maxsize); |
05d564fe AA |
4122 | break; |
4123 | case 2: | |
6f723f77 | 4124 | nblocks = be32_to_cpup(p++); |
cccddf4f | 4125 | blocksize = be32_to_cpup(p); |
05d564fe | 4126 | *maxsize = (uint64_t)nblocks * (uint64_t)blocksize; |
1da177e4 LT |
4127 | } |
4128 | return 0; | |
c0eae66e BH |
4129 | out_overflow: |
4130 | print_overflow_msg(__func__, xdr); | |
4131 | return -EIO; | |
1da177e4 LT |
4132 | } |
4133 | ||
4134 | static int decode_delegation(struct xdr_stream *xdr, struct nfs_openres *res) | |
4135 | { | |
05d564fe AA |
4136 | __be32 *p; |
4137 | uint32_t delegation_type; | |
07d30434 | 4138 | int status; |
1da177e4 | 4139 | |
c0eae66e BH |
4140 | p = xdr_inline_decode(xdr, 4); |
4141 | if (unlikely(!p)) | |
4142 | goto out_overflow; | |
cccddf4f | 4143 | delegation_type = be32_to_cpup(p); |
1da177e4 LT |
4144 | if (delegation_type == NFS4_OPEN_DELEGATE_NONE) { |
4145 | res->delegation_type = 0; | |
4146 | return 0; | |
4147 | } | |
07d30434 BH |
4148 | status = decode_stateid(xdr, &res->delegation); |
4149 | if (unlikely(status)) | |
4150 | return status; | |
c0eae66e BH |
4151 | p = xdr_inline_decode(xdr, 4); |
4152 | if (unlikely(!p)) | |
4153 | goto out_overflow; | |
cccddf4f | 4154 | res->do_recall = be32_to_cpup(p); |
05d564fe | 4155 | |
1da177e4 | 4156 | switch (delegation_type) { |
05d564fe AA |
4157 | case NFS4_OPEN_DELEGATE_READ: |
4158 | res->delegation_type = FMODE_READ; | |
4159 | break; | |
4160 | case NFS4_OPEN_DELEGATE_WRITE: | |
4161 | res->delegation_type = FMODE_WRITE|FMODE_READ; | |
4162 | if (decode_space_limit(xdr, &res->maxsize) < 0) | |
1da177e4 LT |
4163 | return -EIO; |
4164 | } | |
7539bbab | 4165 | return decode_ace(xdr, NULL, res->server->nfs_client); |
c0eae66e BH |
4166 | out_overflow: |
4167 | print_overflow_msg(__func__, xdr); | |
4168 | return -EIO; | |
1da177e4 LT |
4169 | } |
4170 | ||
4171 | static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res) | |
4172 | { | |
05d564fe | 4173 | __be32 *p; |
aa53ed54 | 4174 | uint32_t savewords, bmlen, i; |
05d564fe | 4175 | int status; |
1da177e4 | 4176 | |
05d564fe | 4177 | status = decode_op_hdr(xdr, OP_OPEN); |
c1d51931 TM |
4178 | if (status != -EIO) |
4179 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4180 | if (!status) |
4181 | status = decode_stateid(xdr, &res->stateid); | |
4182 | if (unlikely(status)) | |
05d564fe | 4183 | return status; |
1da177e4 | 4184 | |
05d564fe | 4185 | decode_change_info(xdr, &res->cinfo); |
1da177e4 | 4186 | |
c0eae66e BH |
4187 | p = xdr_inline_decode(xdr, 8); |
4188 | if (unlikely(!p)) | |
4189 | goto out_overflow; | |
6f723f77 | 4190 | res->rflags = be32_to_cpup(p++); |
cccddf4f | 4191 | bmlen = be32_to_cpup(p); |
05d564fe AA |
4192 | if (bmlen > 10) |
4193 | goto xdr_error; | |
1da177e4 | 4194 | |
c0eae66e BH |
4195 | p = xdr_inline_decode(xdr, bmlen << 2); |
4196 | if (unlikely(!p)) | |
4197 | goto out_overflow; | |
aa53ed54 JL |
4198 | savewords = min_t(uint32_t, bmlen, NFS4_BITMAP_SIZE); |
4199 | for (i = 0; i < savewords; ++i) | |
6f723f77 | 4200 | res->attrset[i] = be32_to_cpup(p++); |
aa53ed54 JL |
4201 | for (; i < NFS4_BITMAP_SIZE; i++) |
4202 | res->attrset[i] = 0; | |
4203 | ||
1da177e4 LT |
4204 | return decode_delegation(xdr, res); |
4205 | xdr_error: | |
3110ff80 | 4206 | dprintk("%s: Bitmap too large! Length = %u\n", __func__, bmlen); |
1da177e4 | 4207 | return -EIO; |
c0eae66e BH |
4208 | out_overflow: |
4209 | print_overflow_msg(__func__, xdr); | |
4210 | return -EIO; | |
1da177e4 LT |
4211 | } |
4212 | ||
4213 | static int decode_open_confirm(struct xdr_stream *xdr, struct nfs_open_confirmres *res) | |
4214 | { | |
1da177e4 LT |
4215 | int status; |
4216 | ||
05d564fe | 4217 | status = decode_op_hdr(xdr, OP_OPEN_CONFIRM); |
c1d51931 TM |
4218 | if (status != -EIO) |
4219 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4220 | if (!status) |
4221 | status = decode_stateid(xdr, &res->stateid); | |
4222 | return status; | |
1da177e4 LT |
4223 | } |
4224 | ||
4225 | static int decode_open_downgrade(struct xdr_stream *xdr, struct nfs_closeres *res) | |
4226 | { | |
1da177e4 LT |
4227 | int status; |
4228 | ||
4229 | status = decode_op_hdr(xdr, OP_OPEN_DOWNGRADE); | |
c1d51931 TM |
4230 | if (status != -EIO) |
4231 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4232 | if (!status) |
4233 | status = decode_stateid(xdr, &res->stateid); | |
4234 | return status; | |
1da177e4 LT |
4235 | } |
4236 | ||
4237 | static int decode_putfh(struct xdr_stream *xdr) | |
4238 | { | |
4239 | return decode_op_hdr(xdr, OP_PUTFH); | |
4240 | } | |
4241 | ||
4242 | static int decode_putrootfh(struct xdr_stream *xdr) | |
4243 | { | |
4244 | return decode_op_hdr(xdr, OP_PUTROOTFH); | |
4245 | } | |
4246 | ||
4247 | static int decode_read(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs_readres *res) | |
4248 | { | |
4249 | struct kvec *iov = req->rq_rcv_buf.head; | |
8687b63a | 4250 | __be32 *p; |
1da177e4 LT |
4251 | uint32_t count, eof, recvd, hdrlen; |
4252 | int status; | |
4253 | ||
4254 | status = decode_op_hdr(xdr, OP_READ); | |
4255 | if (status) | |
4256 | return status; | |
c0eae66e BH |
4257 | p = xdr_inline_decode(xdr, 8); |
4258 | if (unlikely(!p)) | |
4259 | goto out_overflow; | |
6f723f77 | 4260 | eof = be32_to_cpup(p++); |
cccddf4f | 4261 | count = be32_to_cpup(p); |
1da177e4 LT |
4262 | hdrlen = (u8 *) p - (u8 *) iov->iov_base; |
4263 | recvd = req->rq_rcv_buf.len - hdrlen; | |
4264 | if (count > recvd) { | |
fe82a183 | 4265 | dprintk("NFS: server cheating in read reply: " |
1da177e4 LT |
4266 | "count %u > recvd %u\n", count, recvd); |
4267 | count = recvd; | |
4268 | eof = 0; | |
4269 | } | |
4270 | xdr_read_pages(xdr, count); | |
4271 | res->eof = eof; | |
4272 | res->count = count; | |
4273 | return 0; | |
c0eae66e BH |
4274 | out_overflow: |
4275 | print_overflow_msg(__func__, xdr); | |
4276 | return -EIO; | |
1da177e4 LT |
4277 | } |
4278 | ||
4279 | static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs4_readdir_res *readdir) | |
4280 | { | |
4281 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; | |
1da177e4 | 4282 | struct kvec *iov = rcvbuf->head; |
bcecff77 CL |
4283 | size_t hdrlen; |
4284 | u32 recvd, pglen = rcvbuf->page_len; | |
bcecff77 | 4285 | int status; |
1da177e4 LT |
4286 | |
4287 | status = decode_op_hdr(xdr, OP_READDIR); | |
db942bbd BH |
4288 | if (!status) |
4289 | status = decode_verifier(xdr, readdir->verifier.data); | |
4290 | if (unlikely(status)) | |
1da177e4 | 4291 | return status; |
44109241 FI |
4292 | dprintk("%s: verifier = %08x:%08x\n", |
4293 | __func__, | |
eadf4598 TM |
4294 | ((u32 *)readdir->verifier.data)[0], |
4295 | ((u32 *)readdir->verifier.data)[1]); | |
4296 | ||
1da177e4 | 4297 | |
db942bbd | 4298 | hdrlen = (char *) xdr->p - (char *) iov->iov_base; |
1da177e4 LT |
4299 | recvd = rcvbuf->len - hdrlen; |
4300 | if (pglen > recvd) | |
4301 | pglen = recvd; | |
4302 | xdr_read_pages(xdr, pglen); | |
4303 | ||
afa8ccc9 | 4304 | |
1da177e4 | 4305 | return 0; |
1da177e4 LT |
4306 | } |
4307 | ||
4308 | static int decode_readlink(struct xdr_stream *xdr, struct rpc_rqst *req) | |
4309 | { | |
4310 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; | |
4311 | struct kvec *iov = rcvbuf->head; | |
bcecff77 CL |
4312 | size_t hdrlen; |
4313 | u32 len, recvd; | |
8687b63a | 4314 | __be32 *p; |
1da177e4 LT |
4315 | int status; |
4316 | ||
4317 | status = decode_op_hdr(xdr, OP_READLINK); | |
4318 | if (status) | |
4319 | return status; | |
4320 | ||
4321 | /* Convert length of symlink */ | |
c0eae66e BH |
4322 | p = xdr_inline_decode(xdr, 4); |
4323 | if (unlikely(!p)) | |
4324 | goto out_overflow; | |
cccddf4f | 4325 | len = be32_to_cpup(p); |
1da177e4 | 4326 | if (len >= rcvbuf->page_len || len <= 0) { |
fe82a183 | 4327 | dprintk("nfs: server returned giant symlink!\n"); |
1da177e4 LT |
4328 | return -ENAMETOOLONG; |
4329 | } | |
4330 | hdrlen = (char *) xdr->p - (char *) iov->iov_base; | |
4331 | recvd = req->rq_rcv_buf.len - hdrlen; | |
4332 | if (recvd < len) { | |
fe82a183 | 4333 | dprintk("NFS: server cheating in readlink reply: " |
1da177e4 LT |
4334 | "count %u > recvd %u\n", len, recvd); |
4335 | return -EIO; | |
4336 | } | |
4337 | xdr_read_pages(xdr, len); | |
4338 | /* | |
4339 | * The XDR encode routine has set things up so that | |
4340 | * the link text will be copied directly into the | |
4341 | * buffer. We just have to do overflow-checking, | |
4342 | * and and null-terminate the text (the VFS expects | |
4343 | * null-termination). | |
4344 | */ | |
b4687da7 | 4345 | xdr_terminate_string(rcvbuf, len); |
1da177e4 | 4346 | return 0; |
c0eae66e BH |
4347 | out_overflow: |
4348 | print_overflow_msg(__func__, xdr); | |
4349 | return -EIO; | |
1da177e4 LT |
4350 | } |
4351 | ||
4352 | static int decode_remove(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4353 | { | |
4354 | int status; | |
4355 | ||
4356 | status = decode_op_hdr(xdr, OP_REMOVE); | |
4357 | if (status) | |
4358 | goto out; | |
4359 | status = decode_change_info(xdr, cinfo); | |
4360 | out: | |
4361 | return status; | |
4362 | } | |
4363 | ||
4364 | static int decode_rename(struct xdr_stream *xdr, struct nfs4_change_info *old_cinfo, | |
4365 | struct nfs4_change_info *new_cinfo) | |
4366 | { | |
4367 | int status; | |
4368 | ||
4369 | status = decode_op_hdr(xdr, OP_RENAME); | |
4370 | if (status) | |
4371 | goto out; | |
4372 | if ((status = decode_change_info(xdr, old_cinfo))) | |
4373 | goto out; | |
4374 | status = decode_change_info(xdr, new_cinfo); | |
4375 | out: | |
4376 | return status; | |
4377 | } | |
4378 | ||
4379 | static int decode_renew(struct xdr_stream *xdr) | |
4380 | { | |
4381 | return decode_op_hdr(xdr, OP_RENEW); | |
4382 | } | |
4383 | ||
56ae19f3 TM |
4384 | static int |
4385 | decode_restorefh(struct xdr_stream *xdr) | |
4386 | { | |
4387 | return decode_op_hdr(xdr, OP_RESTOREFH); | |
4388 | } | |
4389 | ||
029d105e BF |
4390 | static int decode_getacl(struct xdr_stream *xdr, struct rpc_rqst *req, |
4391 | size_t *acl_len) | |
4392 | { | |
8687b63a | 4393 | __be32 *savep; |
029d105e BF |
4394 | uint32_t attrlen, |
4395 | bitmap[2] = {0}; | |
4396 | struct kvec *iov = req->rq_rcv_buf.head; | |
4397 | int status; | |
4398 | ||
4399 | *acl_len = 0; | |
4400 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
4401 | goto out; | |
4402 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4403 | goto out; | |
4404 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4405 | goto out; | |
4406 | ||
4407 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACL - 1U))) | |
4408 | return -EIO; | |
4409 | if (likely(bitmap[0] & FATTR4_WORD0_ACL)) { | |
bcecff77 CL |
4410 | size_t hdrlen; |
4411 | u32 recvd; | |
029d105e BF |
4412 | |
4413 | /* We ignore &savep and don't do consistency checks on | |
4414 | * the attr length. Let userspace figure it out.... */ | |
4415 | hdrlen = (u8 *)xdr->p - (u8 *)iov->iov_base; | |
4416 | recvd = req->rq_rcv_buf.len - hdrlen; | |
4417 | if (attrlen > recvd) { | |
fe82a183 | 4418 | dprintk("NFS: server cheating in getattr" |
029d105e BF |
4419 | " acl reply: attrlen %u > recvd %u\n", |
4420 | attrlen, recvd); | |
4421 | return -EINVAL; | |
4422 | } | |
c04871e6 | 4423 | xdr_read_pages(xdr, attrlen); |
029d105e | 4424 | *acl_len = attrlen; |
8c233cf9 BF |
4425 | } else |
4426 | status = -EOPNOTSUPP; | |
029d105e BF |
4427 | |
4428 | out: | |
4429 | return status; | |
4430 | } | |
4431 | ||
1da177e4 LT |
4432 | static int |
4433 | decode_savefh(struct xdr_stream *xdr) | |
4434 | { | |
4435 | return decode_op_hdr(xdr, OP_SAVEFH); | |
4436 | } | |
4437 | ||
9e9ecc03 | 4438 | static int decode_setattr(struct xdr_stream *xdr) |
1da177e4 | 4439 | { |
8687b63a | 4440 | __be32 *p; |
1da177e4 LT |
4441 | uint32_t bmlen; |
4442 | int status; | |
4443 | ||
1da177e4 LT |
4444 | status = decode_op_hdr(xdr, OP_SETATTR); |
4445 | if (status) | |
4446 | return status; | |
c0eae66e BH |
4447 | p = xdr_inline_decode(xdr, 4); |
4448 | if (unlikely(!p)) | |
4449 | goto out_overflow; | |
cccddf4f | 4450 | bmlen = be32_to_cpup(p); |
c0eae66e BH |
4451 | p = xdr_inline_decode(xdr, bmlen << 2); |
4452 | if (likely(p)) | |
4453 | return 0; | |
4454 | out_overflow: | |
4455 | print_overflow_msg(__func__, xdr); | |
4456 | return -EIO; | |
1da177e4 LT |
4457 | } |
4458 | ||
bb8b27e5 | 4459 | static int decode_setclientid(struct xdr_stream *xdr, struct nfs4_setclientid_res *res) |
1da177e4 | 4460 | { |
8687b63a | 4461 | __be32 *p; |
1da177e4 LT |
4462 | uint32_t opnum; |
4463 | int32_t nfserr; | |
4464 | ||
c0eae66e BH |
4465 | p = xdr_inline_decode(xdr, 8); |
4466 | if (unlikely(!p)) | |
4467 | goto out_overflow; | |
6f723f77 | 4468 | opnum = be32_to_cpup(p++); |
1da177e4 | 4469 | if (opnum != OP_SETCLIENTID) { |
fe82a183 | 4470 | dprintk("nfs: decode_setclientid: Server returned operation" |
6c0195a4 | 4471 | " %d\n", opnum); |
1da177e4 LT |
4472 | return -EIO; |
4473 | } | |
cccddf4f | 4474 | nfserr = be32_to_cpup(p); |
1da177e4 | 4475 | if (nfserr == NFS_OK) { |
c0eae66e BH |
4476 | p = xdr_inline_decode(xdr, 8 + NFS4_VERIFIER_SIZE); |
4477 | if (unlikely(!p)) | |
4478 | goto out_overflow; | |
bb8b27e5 TM |
4479 | p = xdr_decode_hyper(p, &res->clientid); |
4480 | memcpy(res->confirm.data, p, NFS4_VERIFIER_SIZE); | |
1da177e4 LT |
4481 | } else if (nfserr == NFSERR_CLID_INUSE) { |
4482 | uint32_t len; | |
4483 | ||
4484 | /* skip netid string */ | |
c0eae66e BH |
4485 | p = xdr_inline_decode(xdr, 4); |
4486 | if (unlikely(!p)) | |
4487 | goto out_overflow; | |
cccddf4f | 4488 | len = be32_to_cpup(p); |
c0eae66e BH |
4489 | p = xdr_inline_decode(xdr, len); |
4490 | if (unlikely(!p)) | |
4491 | goto out_overflow; | |
1da177e4 LT |
4492 | |
4493 | /* skip uaddr string */ | |
c0eae66e BH |
4494 | p = xdr_inline_decode(xdr, 4); |
4495 | if (unlikely(!p)) | |
4496 | goto out_overflow; | |
cccddf4f | 4497 | len = be32_to_cpup(p); |
c0eae66e BH |
4498 | p = xdr_inline_decode(xdr, len); |
4499 | if (unlikely(!p)) | |
4500 | goto out_overflow; | |
1da177e4 LT |
4501 | return -NFSERR_CLID_INUSE; |
4502 | } else | |
856dff3d | 4503 | return nfs4_stat_to_errno(nfserr); |
1da177e4 LT |
4504 | |
4505 | return 0; | |
c0eae66e BH |
4506 | out_overflow: |
4507 | print_overflow_msg(__func__, xdr); | |
4508 | return -EIO; | |
1da177e4 LT |
4509 | } |
4510 | ||
4511 | static int decode_setclientid_confirm(struct xdr_stream *xdr) | |
4512 | { | |
4513 | return decode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM); | |
4514 | } | |
4515 | ||
4516 | static int decode_write(struct xdr_stream *xdr, struct nfs_writeres *res) | |
4517 | { | |
8687b63a | 4518 | __be32 *p; |
1da177e4 LT |
4519 | int status; |
4520 | ||
4521 | status = decode_op_hdr(xdr, OP_WRITE); | |
4522 | if (status) | |
4523 | return status; | |
4524 | ||
c0eae66e BH |
4525 | p = xdr_inline_decode(xdr, 16); |
4526 | if (unlikely(!p)) | |
4527 | goto out_overflow; | |
6f723f77 BH |
4528 | res->count = be32_to_cpup(p++); |
4529 | res->verf->committed = be32_to_cpup(p++); | |
99398d06 | 4530 | memcpy(res->verf->verifier, p, 8); |
1da177e4 | 4531 | return 0; |
c0eae66e BH |
4532 | out_overflow: |
4533 | print_overflow_msg(__func__, xdr); | |
4534 | return -EIO; | |
1da177e4 LT |
4535 | } |
4536 | ||
4537 | static int decode_delegreturn(struct xdr_stream *xdr) | |
4538 | { | |
4539 | return decode_op_hdr(xdr, OP_DELEGRETURN); | |
4540 | } | |
4541 | ||
99fe60d0 BH |
4542 | #if defined(CONFIG_NFS_V4_1) |
4543 | static int decode_exchange_id(struct xdr_stream *xdr, | |
4544 | struct nfs41_exchange_id_res *res) | |
4545 | { | |
4546 | __be32 *p; | |
4547 | uint32_t dummy; | |
2460ba57 | 4548 | char *dummy_str; |
99fe60d0 BH |
4549 | int status; |
4550 | struct nfs_client *clp = res->client; | |
4551 | ||
4552 | status = decode_op_hdr(xdr, OP_EXCHANGE_ID); | |
4553 | if (status) | |
4554 | return status; | |
4555 | ||
c0eae66e BH |
4556 | p = xdr_inline_decode(xdr, 8); |
4557 | if (unlikely(!p)) | |
4558 | goto out_overflow; | |
cccddf4f | 4559 | xdr_decode_hyper(p, &clp->cl_ex_clid); |
c0eae66e BH |
4560 | p = xdr_inline_decode(xdr, 12); |
4561 | if (unlikely(!p)) | |
4562 | goto out_overflow; | |
6f723f77 BH |
4563 | clp->cl_seqid = be32_to_cpup(p++); |
4564 | clp->cl_exchange_flags = be32_to_cpup(p++); | |
99fe60d0 BH |
4565 | |
4566 | /* We ask for SP4_NONE */ | |
cccddf4f | 4567 | dummy = be32_to_cpup(p); |
99fe60d0 BH |
4568 | if (dummy != SP4_NONE) |
4569 | return -EIO; | |
4570 | ||
4571 | /* Throw away minor_id */ | |
c0eae66e BH |
4572 | p = xdr_inline_decode(xdr, 8); |
4573 | if (unlikely(!p)) | |
4574 | goto out_overflow; | |
99fe60d0 BH |
4575 | |
4576 | /* Throw away Major id */ | |
2460ba57 BH |
4577 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
4578 | if (unlikely(status)) | |
4579 | return status; | |
99fe60d0 BH |
4580 | |
4581 | /* Throw away server_scope */ | |
2460ba57 BH |
4582 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
4583 | if (unlikely(status)) | |
4584 | return status; | |
99fe60d0 BH |
4585 | |
4586 | /* Throw away Implementation id array */ | |
2460ba57 BH |
4587 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
4588 | if (unlikely(status)) | |
4589 | return status; | |
99fe60d0 BH |
4590 | |
4591 | return 0; | |
c0eae66e BH |
4592 | out_overflow: |
4593 | print_overflow_msg(__func__, xdr); | |
4594 | return -EIO; | |
99fe60d0 | 4595 | } |
fc931582 AA |
4596 | |
4597 | static int decode_chan_attrs(struct xdr_stream *xdr, | |
4598 | struct nfs4_channel_attrs *attrs) | |
4599 | { | |
4600 | __be32 *p; | |
4601 | u32 nr_attrs; | |
4602 | ||
c0eae66e BH |
4603 | p = xdr_inline_decode(xdr, 28); |
4604 | if (unlikely(!p)) | |
4605 | goto out_overflow; | |
6f723f77 BH |
4606 | attrs->headerpadsz = be32_to_cpup(p++); |
4607 | attrs->max_rqst_sz = be32_to_cpup(p++); | |
4608 | attrs->max_resp_sz = be32_to_cpup(p++); | |
4609 | attrs->max_resp_sz_cached = be32_to_cpup(p++); | |
4610 | attrs->max_ops = be32_to_cpup(p++); | |
4611 | attrs->max_reqs = be32_to_cpup(p++); | |
cccddf4f | 4612 | nr_attrs = be32_to_cpup(p); |
fc931582 AA |
4613 | if (unlikely(nr_attrs > 1)) { |
4614 | printk(KERN_WARNING "%s: Invalid rdma channel attrs count %u\n", | |
4615 | __func__, nr_attrs); | |
4616 | return -EINVAL; | |
4617 | } | |
c0eae66e BH |
4618 | if (nr_attrs == 1) { |
4619 | p = xdr_inline_decode(xdr, 4); /* skip rdma_attrs */ | |
4620 | if (unlikely(!p)) | |
4621 | goto out_overflow; | |
4622 | } | |
fc931582 | 4623 | return 0; |
c0eae66e BH |
4624 | out_overflow: |
4625 | print_overflow_msg(__func__, xdr); | |
4626 | return -EIO; | |
fc931582 AA |
4627 | } |
4628 | ||
e78291e4 BH |
4629 | static int decode_sessionid(struct xdr_stream *xdr, struct nfs4_sessionid *sid) |
4630 | { | |
4631 | return decode_opaque_fixed(xdr, sid->data, NFS4_MAX_SESSIONID_LEN); | |
fc931582 AA |
4632 | } |
4633 | ||
4634 | static int decode_create_session(struct xdr_stream *xdr, | |
4635 | struct nfs41_create_session_res *res) | |
4636 | { | |
4637 | __be32 *p; | |
4638 | int status; | |
4639 | struct nfs_client *clp = res->client; | |
4640 | struct nfs4_session *session = clp->cl_session; | |
4641 | ||
4642 | status = decode_op_hdr(xdr, OP_CREATE_SESSION); | |
e78291e4 BH |
4643 | if (!status) |
4644 | status = decode_sessionid(xdr, &session->sess_id); | |
4645 | if (unlikely(status)) | |
fc931582 AA |
4646 | return status; |
4647 | ||
fc931582 | 4648 | /* seqid, flags */ |
c0eae66e BH |
4649 | p = xdr_inline_decode(xdr, 8); |
4650 | if (unlikely(!p)) | |
4651 | goto out_overflow; | |
6f723f77 | 4652 | clp->cl_seqid = be32_to_cpup(p++); |
cccddf4f | 4653 | session->flags = be32_to_cpup(p); |
fc931582 AA |
4654 | |
4655 | /* Channel attributes */ | |
4656 | status = decode_chan_attrs(xdr, &session->fc_attrs); | |
4657 | if (!status) | |
4658 | status = decode_chan_attrs(xdr, &session->bc_attrs); | |
4659 | return status; | |
c0eae66e BH |
4660 | out_overflow: |
4661 | print_overflow_msg(__func__, xdr); | |
4662 | return -EIO; | |
fc931582 | 4663 | } |
0f3e66c6 AA |
4664 | |
4665 | static int decode_destroy_session(struct xdr_stream *xdr, void *dummy) | |
4666 | { | |
4667 | return decode_op_hdr(xdr, OP_DESTROY_SESSION); | |
4668 | } | |
18019753 RL |
4669 | |
4670 | static int decode_reclaim_complete(struct xdr_stream *xdr, void *dummy) | |
4671 | { | |
4672 | return decode_op_hdr(xdr, OP_RECLAIM_COMPLETE); | |
4673 | } | |
99fe60d0 BH |
4674 | #endif /* CONFIG_NFS_V4_1 */ |
4675 | ||
9b7b9fcc AA |
4676 | static int decode_sequence(struct xdr_stream *xdr, |
4677 | struct nfs4_sequence_res *res, | |
4678 | struct rpc_rqst *rqstp) | |
4679 | { | |
4680 | #if defined(CONFIG_NFS_V4_1) | |
fc01cea9 AA |
4681 | struct nfs4_sessionid id; |
4682 | u32 dummy; | |
4683 | int status; | |
4684 | __be32 *p; | |
4685 | ||
9b7b9fcc AA |
4686 | if (!res->sr_session) |
4687 | return 0; | |
4688 | ||
fc01cea9 | 4689 | status = decode_op_hdr(xdr, OP_SEQUENCE); |
e78291e4 BH |
4690 | if (!status) |
4691 | status = decode_sessionid(xdr, &id); | |
4692 | if (unlikely(status)) | |
fc01cea9 | 4693 | goto out_err; |
9b7b9fcc | 4694 | |
fc01cea9 AA |
4695 | /* |
4696 | * If the server returns different values for sessionID, slotID or | |
4697 | * sequence number, the server is looney tunes. | |
4698 | */ | |
fdcb4577 | 4699 | status = -EREMOTEIO; |
fc01cea9 | 4700 | |
fc01cea9 AA |
4701 | if (memcmp(id.data, res->sr_session->sess_id.data, |
4702 | NFS4_MAX_SESSIONID_LEN)) { | |
4703 | dprintk("%s Invalid session id\n", __func__); | |
4704 | goto out_err; | |
4705 | } | |
e78291e4 | 4706 | |
c0eae66e BH |
4707 | p = xdr_inline_decode(xdr, 20); |
4708 | if (unlikely(!p)) | |
4709 | goto out_overflow; | |
e78291e4 | 4710 | |
fc01cea9 | 4711 | /* seqid */ |
6f723f77 | 4712 | dummy = be32_to_cpup(p++); |
dfb4f309 | 4713 | if (dummy != res->sr_slot->seq_nr) { |
fc01cea9 AA |
4714 | dprintk("%s Invalid sequence number\n", __func__); |
4715 | goto out_err; | |
4716 | } | |
4717 | /* slot id */ | |
6f723f77 | 4718 | dummy = be32_to_cpup(p++); |
dfb4f309 | 4719 | if (dummy != res->sr_slot - res->sr_session->fc_slot_table.slots) { |
fc01cea9 AA |
4720 | dprintk("%s Invalid slot id\n", __func__); |
4721 | goto out_err; | |
4722 | } | |
4723 | /* highest slot id - currently not processed */ | |
6f723f77 | 4724 | dummy = be32_to_cpup(p++); |
fc01cea9 | 4725 | /* target highest slot id - currently not processed */ |
6f723f77 | 4726 | dummy = be32_to_cpup(p++); |
0629e370 AB |
4727 | /* result flags */ |
4728 | res->sr_status_flags = be32_to_cpup(p); | |
fc01cea9 AA |
4729 | status = 0; |
4730 | out_err: | |
4731 | res->sr_status = status; | |
4732 | return status; | |
c0eae66e BH |
4733 | out_overflow: |
4734 | print_overflow_msg(__func__, xdr); | |
4735 | status = -EIO; | |
4736 | goto out_err; | |
fc01cea9 | 4737 | #else /* CONFIG_NFS_V4_1 */ |
9b7b9fcc | 4738 | return 0; |
fc01cea9 | 4739 | #endif /* CONFIG_NFS_V4_1 */ |
9b7b9fcc AA |
4740 | } |
4741 | ||
49c2559e BH |
4742 | /* |
4743 | * END OF "GENERIC" DECODE ROUTINES. | |
4744 | */ | |
4745 | ||
1da177e4 LT |
4746 | /* |
4747 | * Decode OPEN_DOWNGRADE response | |
4748 | */ | |
8687b63a | 4749 | static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst *rqstp, __be32 *p, struct nfs_closeres *res) |
1da177e4 | 4750 | { |
05d564fe AA |
4751 | struct xdr_stream xdr; |
4752 | struct compound_hdr hdr; | |
4753 | int status; | |
4754 | ||
4755 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
4756 | status = decode_compound_hdr(&xdr, &hdr); | |
9b7b9fcc AA |
4757 | if (status) |
4758 | goto out; | |
4759 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
05d564fe AA |
4760 | if (status) |
4761 | goto out; | |
4762 | status = decode_putfh(&xdr); | |
4763 | if (status) | |
4764 | goto out; | |
4765 | status = decode_open_downgrade(&xdr, res); | |
516a6af6 TM |
4766 | if (status != 0) |
4767 | goto out; | |
80e52ace TM |
4768 | decode_getfattr(&xdr, res->fattr, res->server, |
4769 | !RPC_IS_ASYNC(rqstp->rq_task)); | |
1da177e4 | 4770 | out: |
05d564fe | 4771 | return status; |
1da177e4 LT |
4772 | } |
4773 | ||
1da177e4 LT |
4774 | /* |
4775 | * Decode ACCESS response | |
4776 | */ | |
8687b63a | 4777 | static int nfs4_xdr_dec_access(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_accessres *res) |
1da177e4 LT |
4778 | { |
4779 | struct xdr_stream xdr; | |
4780 | struct compound_hdr hdr; | |
4781 | int status; | |
6c0195a4 | 4782 | |
1da177e4 | 4783 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
9b7b9fcc AA |
4784 | status = decode_compound_hdr(&xdr, &hdr); |
4785 | if (status) | |
4786 | goto out; | |
4787 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
4788 | if (status) | |
1da177e4 | 4789 | goto out; |
76b32999 TM |
4790 | status = decode_putfh(&xdr); |
4791 | if (status != 0) | |
4792 | goto out; | |
4793 | status = decode_access(&xdr, res); | |
4794 | if (status != 0) | |
4795 | goto out; | |
80e52ace TM |
4796 | decode_getfattr(&xdr, res->fattr, res->server, |
4797 | !RPC_IS_ASYNC(rqstp->rq_task)); | |
1da177e4 LT |
4798 | out: |
4799 | return status; | |
4800 | } | |
4801 | ||
4802 | /* | |
4803 | * Decode LOOKUP response | |
4804 | */ | |
8687b63a | 4805 | static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_lookup_res *res) |
1da177e4 LT |
4806 | { |
4807 | struct xdr_stream xdr; | |
4808 | struct compound_hdr hdr; | |
4809 | int status; | |
6c0195a4 | 4810 | |
1da177e4 | 4811 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
9b7b9fcc AA |
4812 | status = decode_compound_hdr(&xdr, &hdr); |
4813 | if (status) | |
4814 | goto out; | |
4815 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
4816 | if (status) | |
1da177e4 LT |
4817 | goto out; |
4818 | if ((status = decode_putfh(&xdr)) != 0) | |
4819 | goto out; | |
4820 | if ((status = decode_lookup(&xdr)) != 0) | |
4821 | goto out; | |
4822 | if ((status = decode_getfh(&xdr, res->fh)) != 0) | |
4823 | goto out; | |
80e52ace TM |
4824 | status = decode_getfattr(&xdr, res->fattr, res->server |
4825 | ,!RPC_IS_ASYNC(rqstp->rq_task)); | |
1da177e4 LT |
4826 | out: |
4827 | return status; | |
4828 | } | |
4829 | ||
4830 | /* | |
4831 | * Decode LOOKUP_ROOT response | |
4832 | */ | |
8687b63a | 4833 | static int nfs4_xdr_dec_lookup_root(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_lookup_res *res) |
1da177e4 LT |
4834 | { |
4835 | struct xdr_stream xdr; | |
4836 | struct compound_hdr hdr; | |
4837 | int status; | |
6c0195a4 | 4838 | |
1da177e4 | 4839 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
9b7b9fcc AA |
4840 | status = decode_compound_hdr(&xdr, &hdr); |
4841 | if (status) | |
4842 | goto out; | |
4843 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
4844 | if (status) | |
1da177e4 LT |
4845 | goto out; |
4846 | if ((status = decode_putrootfh(&xdr)) != 0) | |
4847 | goto out; | |
4848 | if ((status = decode_getfh(&xdr, res->fh)) == 0) | |
80e52ace TM |
4849 | status = decode_getfattr(&xdr, res->fattr, res->server, |
4850 | !RPC_IS_ASYNC(rqstp->rq_task)); | |
1da177e4 LT |
4851 | out: |
4852 | return status; | |
4853 | } | |
4854 | ||
4855 | /* | |
4856 | * Decode REMOVE response | |
4857 | */ | |
4fdc17b2 | 4858 | static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, __be32 *p, struct nfs_removeres *res) |
1da177e4 LT |
4859 | { |
4860 | struct xdr_stream xdr; | |
4861 | struct compound_hdr hdr; | |
4862 | int status; | |
6c0195a4 | 4863 | |
1da177e4 | 4864 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
9b7b9fcc AA |
4865 | status = decode_compound_hdr(&xdr, &hdr); |
4866 | if (status) | |
4867 | goto out; | |
4868 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
4869 | if (status) | |
1da177e4 | 4870 | goto out; |
16e42959 TM |
4871 | if ((status = decode_putfh(&xdr)) != 0) |
4872 | goto out; | |
4873 | if ((status = decode_remove(&xdr, &res->cinfo)) != 0) | |
4874 | goto out; | |
d346890b | 4875 | decode_getfattr(&xdr, res->dir_attr, res->server, |
80e52ace | 4876 | !RPC_IS_ASYNC(rqstp->rq_task)); |
1da177e4 LT |
4877 | out: |
4878 | return status; | |
4879 | } | |
4880 | ||
4881 | /* | |
4882 | * Decode RENAME response | |
4883 | */ | |
e8582a8b | 4884 | static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, __be32 *p, struct nfs_renameres *res) |
1da177e4 LT |
4885 | { |
4886 | struct xdr_stream xdr; | |
4887 | struct compound_hdr hdr; | |
4888 | int status; | |
6c0195a4 | 4889 | |
1da177e4 | 4890 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
9b7b9fcc AA |
4891 | status = decode_compound_hdr(&xdr, &hdr); |
4892 | if (status) | |
4893 | goto out; | |
4894 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
4895 | if (status) | |
1da177e4 LT |
4896 | goto out; |
4897 | if ((status = decode_putfh(&xdr)) != 0) | |
4898 | goto out; | |
4899 | if ((status = decode_savefh(&xdr)) != 0) | |
4900 | goto out; | |
4901 | if ((status = decode_putfh(&xdr)) != 0) | |
4902 | goto out; | |
6caf2c82 TM |
4903 | if ((status = decode_rename(&xdr, &res->old_cinfo, &res->new_cinfo)) != 0) |
4904 | goto out; | |
4905 | /* Current FH is target directory */ | |
80e52ace TM |
4906 | if (decode_getfattr(&xdr, res->new_fattr, res->server, |
4907 | !RPC_IS_ASYNC(rqstp->rq_task)) != 0) | |
6caf2c82 TM |
4908 | goto out; |
4909 | if ((status = decode_restorefh(&xdr)) != 0) | |
4910 | goto out; | |
80e52ace TM |
4911 | decode_getfattr(&xdr, res->old_fattr, res->server, |
4912 | !RPC_IS_ASYNC(rqstp->rq_task)); | |
1da177e4 LT |
4913 | out: |
4914 | return status; | |
4915 | } | |
4916 | ||
4917 | /* | |
4918 | * Decode LINK response | |
4919 | */ | |
8687b63a | 4920 | static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_link_res *res) |
1da177e4 LT |
4921 | { |
4922 | struct xdr_stream xdr; | |
4923 | struct compound_hdr hdr; | |
4924 | int status; | |
6c0195a4 | 4925 | |
1da177e4 | 4926 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
9b7b9fcc AA |
4927 | status = decode_compound_hdr(&xdr, &hdr); |
4928 | if (status) | |
4929 | goto out; | |
4930 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
4931 | if (status) | |
1da177e4 LT |
4932 | goto out; |
4933 | if ((status = decode_putfh(&xdr)) != 0) | |
4934 | goto out; | |
4935 | if ((status = decode_savefh(&xdr)) != 0) | |
4936 | goto out; | |
4937 | if ((status = decode_putfh(&xdr)) != 0) | |
4938 | goto out; | |
91ba2eee TM |
4939 | if ((status = decode_link(&xdr, &res->cinfo)) != 0) |
4940 | goto out; | |
4941 | /* | |
4942 | * Note order: OP_LINK leaves the directory as the current | |
4943 | * filehandle. | |
4944 | */ | |
80e52ace TM |
4945 | if (decode_getfattr(&xdr, res->dir_attr, res->server, |
4946 | !RPC_IS_ASYNC(rqstp->rq_task)) != 0) | |
91ba2eee TM |
4947 | goto out; |
4948 | if ((status = decode_restorefh(&xdr)) != 0) | |
4949 | goto out; | |
80e52ace TM |
4950 | decode_getfattr(&xdr, res->fattr, res->server, |
4951 | !RPC_IS_ASYNC(rqstp->rq_task)); | |
1da177e4 LT |
4952 | out: |
4953 | return status; | |
4954 | } | |
4955 | ||
4956 | /* | |
4957 | * Decode CREATE response | |
4958 | */ | |
8687b63a | 4959 | static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_create_res *res) |
1da177e4 LT |
4960 | { |
4961 | struct xdr_stream xdr; | |
4962 | struct compound_hdr hdr; | |
4963 | int status; | |
6c0195a4 | 4964 | |
1da177e4 | 4965 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
9b7b9fcc AA |
4966 | status = decode_compound_hdr(&xdr, &hdr); |
4967 | if (status) | |
4968 | goto out; | |
4969 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
4970 | if (status) | |
1da177e4 LT |
4971 | goto out; |
4972 | if ((status = decode_putfh(&xdr)) != 0) | |
4973 | goto out; | |
56ae19f3 TM |
4974 | if ((status = decode_savefh(&xdr)) != 0) |
4975 | goto out; | |
1da177e4 LT |
4976 | if ((status = decode_create(&xdr,&res->dir_cinfo)) != 0) |
4977 | goto out; | |
4978 | if ((status = decode_getfh(&xdr, res->fh)) != 0) | |
4979 | goto out; | |
80e52ace TM |
4980 | if (decode_getfattr(&xdr, res->fattr, res->server, |
4981 | !RPC_IS_ASYNC(rqstp->rq_task)) != 0) | |
56ae19f3 TM |
4982 | goto out; |
4983 | if ((status = decode_restorefh(&xdr)) != 0) | |
4984 | goto out; | |
80e52ace TM |
4985 | decode_getfattr(&xdr, res->dir_fattr, res->server, |
4986 | !RPC_IS_ASYNC(rqstp->rq_task)); | |
1da177e4 LT |
4987 | out: |
4988 | return status; | |
4989 | } | |
4990 | ||
4991 | /* | |
4992 | * Decode SYMLINK response | |
4993 | */ | |
8687b63a | 4994 | static int nfs4_xdr_dec_symlink(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_create_res *res) |
1da177e4 LT |
4995 | { |
4996 | return nfs4_xdr_dec_create(rqstp, p, res); | |
4997 | } | |
4998 | ||
4999 | /* | |
5000 | * Decode GETATTR response | |
5001 | */ | |
8687b63a | 5002 | static int nfs4_xdr_dec_getattr(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_getattr_res *res) |
1da177e4 LT |
5003 | { |
5004 | struct xdr_stream xdr; | |
5005 | struct compound_hdr hdr; | |
5006 | int status; | |
6c0195a4 | 5007 | |
1da177e4 LT |
5008 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
5009 | status = decode_compound_hdr(&xdr, &hdr); | |
9b7b9fcc AA |
5010 | if (status) |
5011 | goto out; | |
5012 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
1da177e4 LT |
5013 | if (status) |
5014 | goto out; | |
5015 | status = decode_putfh(&xdr); | |
5016 | if (status) | |
5017 | goto out; | |
80e52ace TM |
5018 | status = decode_getfattr(&xdr, res->fattr, res->server, |
5019 | !RPC_IS_ASYNC(rqstp->rq_task)); | |
1da177e4 LT |
5020 | out: |
5021 | return status; | |
1da177e4 LT |
5022 | } |
5023 | ||
23ec6965 BF |
5024 | /* |
5025 | * Encode an SETACL request | |
5026 | */ | |
5027 | static int | |
8687b63a | 5028 | nfs4_xdr_enc_setacl(struct rpc_rqst *req, __be32 *p, struct nfs_setaclargs *args) |
23ec6965 | 5029 | { |
05d564fe AA |
5030 | struct xdr_stream xdr; |
5031 | struct compound_hdr hdr = { | |
66cc0429 | 5032 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe AA |
5033 | }; |
5034 | int status; | |
5035 | ||
5036 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 5037 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 5038 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 | 5039 | encode_putfh(&xdr, args->fh, &hdr); |
d017931c | 5040 | status = encode_setacl(&xdr, args, &hdr); |
d017931c | 5041 | encode_nops(&hdr); |
05d564fe | 5042 | return status; |
23ec6965 | 5043 | } |
05d564fe | 5044 | |
23ec6965 BF |
5045 | /* |
5046 | * Decode SETACL response | |
5047 | */ | |
5048 | static int | |
73c403a9 BH |
5049 | nfs4_xdr_dec_setacl(struct rpc_rqst *rqstp, __be32 *p, |
5050 | struct nfs_setaclres *res) | |
23ec6965 BF |
5051 | { |
5052 | struct xdr_stream xdr; | |
5053 | struct compound_hdr hdr; | |
5054 | int status; | |
5055 | ||
5056 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
5057 | status = decode_compound_hdr(&xdr, &hdr); | |
9b7b9fcc AA |
5058 | if (status) |
5059 | goto out; | |
5060 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
23ec6965 BF |
5061 | if (status) |
5062 | goto out; | |
5063 | status = decode_putfh(&xdr); | |
5064 | if (status) | |
5065 | goto out; | |
9e9ecc03 | 5066 | status = decode_setattr(&xdr); |
23ec6965 BF |
5067 | out: |
5068 | return status; | |
5069 | } | |
1da177e4 | 5070 | |
029d105e BF |
5071 | /* |
5072 | * Decode GETACL response | |
5073 | */ | |
5074 | static int | |
663c79b3 BH |
5075 | nfs4_xdr_dec_getacl(struct rpc_rqst *rqstp, __be32 *p, |
5076 | struct nfs_getaclres *res) | |
029d105e BF |
5077 | { |
5078 | struct xdr_stream xdr; | |
5079 | struct compound_hdr hdr; | |
5080 | int status; | |
5081 | ||
5082 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
5083 | status = decode_compound_hdr(&xdr, &hdr); | |
9b7b9fcc AA |
5084 | if (status) |
5085 | goto out; | |
5086 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
029d105e BF |
5087 | if (status) |
5088 | goto out; | |
5089 | status = decode_putfh(&xdr); | |
5090 | if (status) | |
5091 | goto out; | |
663c79b3 | 5092 | status = decode_getacl(&xdr, rqstp, &res->acl_len); |
029d105e BF |
5093 | |
5094 | out: | |
5095 | return status; | |
5096 | } | |
5097 | ||
1da177e4 LT |
5098 | /* |
5099 | * Decode CLOSE response | |
5100 | */ | |
8687b63a | 5101 | static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, __be32 *p, struct nfs_closeres *res) |
1da177e4 | 5102 | { |
05d564fe AA |
5103 | struct xdr_stream xdr; |
5104 | struct compound_hdr hdr; | |
5105 | int status; | |
5106 | ||
5107 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
5108 | status = decode_compound_hdr(&xdr, &hdr); | |
9b7b9fcc AA |
5109 | if (status) |
5110 | goto out; | |
5111 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
05d564fe AA |
5112 | if (status) |
5113 | goto out; | |
5114 | status = decode_putfh(&xdr); | |
5115 | if (status) | |
5116 | goto out; | |
5117 | status = decode_close(&xdr, res); | |
516a6af6 TM |
5118 | if (status != 0) |
5119 | goto out; | |
5120 | /* | |
5121 | * Note: Server may do delete on close for this file | |
5122 | * in which case the getattr call will fail with | |
5123 | * an ESTALE error. Shouldn't be a problem, | |
5124 | * though, since fattr->valid will remain unset. | |
5125 | */ | |
80e52ace TM |
5126 | decode_getfattr(&xdr, res->fattr, res->server, |
5127 | !RPC_IS_ASYNC(rqstp->rq_task)); | |
1da177e4 | 5128 | out: |
05d564fe | 5129 | return status; |
1da177e4 LT |
5130 | } |
5131 | ||
5132 | /* | |
5133 | * Decode OPEN response | |
5134 | */ | |
8687b63a | 5135 | static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, __be32 *p, struct nfs_openres *res) |
1da177e4 | 5136 | { |
05d564fe AA |
5137 | struct xdr_stream xdr; |
5138 | struct compound_hdr hdr; | |
5139 | int status; | |
5140 | ||
5141 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
5142 | status = decode_compound_hdr(&xdr, &hdr); | |
9b7b9fcc AA |
5143 | if (status) |
5144 | goto out; | |
5145 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
05d564fe AA |
5146 | if (status) |
5147 | goto out; | |
5148 | status = decode_putfh(&xdr); | |
5149 | if (status) | |
5150 | goto out; | |
5151 | status = decode_savefh(&xdr); | |
5152 | if (status) | |
5153 | goto out; | |
5154 | status = decode_open(&xdr, res); | |
56ae19f3 TM |
5155 | if (status) |
5156 | goto out; | |
9936781d | 5157 | if (decode_getfh(&xdr, &res->fh) != 0) |
1da177e4 | 5158 | goto out; |
80e52ace TM |
5159 | if (decode_getfattr(&xdr, res->f_attr, res->server, |
5160 | !RPC_IS_ASYNC(rqstp->rq_task)) != 0) | |
56ae19f3 | 5161 | goto out; |
365c8f58 | 5162 | if (decode_restorefh(&xdr) != 0) |
56ae19f3 | 5163 | goto out; |
80e52ace TM |
5164 | decode_getfattr(&xdr, res->dir_attr, res->server, |
5165 | !RPC_IS_ASYNC(rqstp->rq_task)); | |
1da177e4 | 5166 | out: |
05d564fe | 5167 | return status; |
1da177e4 LT |
5168 | } |
5169 | ||
5170 | /* | |
5171 | * Decode OPEN_CONFIRM response | |
5172 | */ | |
8687b63a | 5173 | static int nfs4_xdr_dec_open_confirm(struct rpc_rqst *rqstp, __be32 *p, struct nfs_open_confirmres *res) |
1da177e4 | 5174 | { |
05d564fe AA |
5175 | struct xdr_stream xdr; |
5176 | struct compound_hdr hdr; | |
5177 | int status; | |
5178 | ||
5179 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
5180 | status = decode_compound_hdr(&xdr, &hdr); | |
5181 | if (status) | |
5182 | goto out; | |
5183 | status = decode_putfh(&xdr); | |
5184 | if (status) | |
5185 | goto out; | |
5186 | status = decode_open_confirm(&xdr, res); | |
1da177e4 | 5187 | out: |
05d564fe | 5188 | return status; |
1da177e4 LT |
5189 | } |
5190 | ||
5191 | /* | |
5192 | * Decode OPEN response | |
5193 | */ | |
8687b63a | 5194 | static int nfs4_xdr_dec_open_noattr(struct rpc_rqst *rqstp, __be32 *p, struct nfs_openres *res) |
1da177e4 | 5195 | { |
05d564fe AA |
5196 | struct xdr_stream xdr; |
5197 | struct compound_hdr hdr; | |
5198 | int status; | |
5199 | ||
5200 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
5201 | status = decode_compound_hdr(&xdr, &hdr); | |
9b7b9fcc AA |
5202 | if (status) |
5203 | goto out; | |
5204 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
05d564fe AA |
5205 | if (status) |
5206 | goto out; | |
5207 | status = decode_putfh(&xdr); | |
5208 | if (status) | |
5209 | goto out; | |
5210 | status = decode_open(&xdr, res); | |
5211 | if (status) | |
5212 | goto out; | |
80e52ace TM |
5213 | decode_getfattr(&xdr, res->f_attr, res->server, |
5214 | !RPC_IS_ASYNC(rqstp->rq_task)); | |
1da177e4 | 5215 | out: |
05d564fe | 5216 | return status; |
1da177e4 LT |
5217 | } |
5218 | ||
5219 | /* | |
5220 | * Decode SETATTR response | |
5221 | */ | |
8687b63a | 5222 | static int nfs4_xdr_dec_setattr(struct rpc_rqst *rqstp, __be32 *p, struct nfs_setattrres *res) |
1da177e4 | 5223 | { |
05d564fe AA |
5224 | struct xdr_stream xdr; |
5225 | struct compound_hdr hdr; | |
5226 | int status; | |
5227 | ||
5228 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
5229 | status = decode_compound_hdr(&xdr, &hdr); | |
9b7b9fcc AA |
5230 | if (status) |
5231 | goto out; | |
5232 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
05d564fe AA |
5233 | if (status) |
5234 | goto out; | |
5235 | status = decode_putfh(&xdr); | |
5236 | if (status) | |
5237 | goto out; | |
9e9ecc03 | 5238 | status = decode_setattr(&xdr); |
05d564fe AA |
5239 | if (status) |
5240 | goto out; | |
80e52ace TM |
5241 | decode_getfattr(&xdr, res->fattr, res->server, |
5242 | !RPC_IS_ASYNC(rqstp->rq_task)); | |
1da177e4 | 5243 | out: |
05d564fe | 5244 | return status; |
1da177e4 LT |
5245 | } |
5246 | ||
5247 | /* | |
5248 | * Decode LOCK response | |
5249 | */ | |
8687b63a | 5250 | static int nfs4_xdr_dec_lock(struct rpc_rqst *rqstp, __be32 *p, struct nfs_lock_res *res) |
1da177e4 LT |
5251 | { |
5252 | struct xdr_stream xdr; | |
5253 | struct compound_hdr hdr; | |
5254 | int status; | |
5255 | ||
5256 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
5257 | status = decode_compound_hdr(&xdr, &hdr); | |
9b7b9fcc AA |
5258 | if (status) |
5259 | goto out; | |
5260 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
1da177e4 LT |
5261 | if (status) |
5262 | goto out; | |
5263 | status = decode_putfh(&xdr); | |
5264 | if (status) | |
5265 | goto out; | |
5266 | status = decode_lock(&xdr, res); | |
5267 | out: | |
5268 | return status; | |
5269 | } | |
5270 | ||
5271 | /* | |
5272 | * Decode LOCKT response | |
5273 | */ | |
8687b63a | 5274 | static int nfs4_xdr_dec_lockt(struct rpc_rqst *rqstp, __be32 *p, struct nfs_lockt_res *res) |
1da177e4 LT |
5275 | { |
5276 | struct xdr_stream xdr; | |
5277 | struct compound_hdr hdr; | |
5278 | int status; | |
5279 | ||
5280 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
5281 | status = decode_compound_hdr(&xdr, &hdr); | |
9b7b9fcc AA |
5282 | if (status) |
5283 | goto out; | |
5284 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
1da177e4 LT |
5285 | if (status) |
5286 | goto out; | |
5287 | status = decode_putfh(&xdr); | |
5288 | if (status) | |
5289 | goto out; | |
5290 | status = decode_lockt(&xdr, res); | |
5291 | out: | |
5292 | return status; | |
5293 | } | |
5294 | ||
5295 | /* | |
5296 | * Decode LOCKU response | |
5297 | */ | |
8687b63a | 5298 | static int nfs4_xdr_dec_locku(struct rpc_rqst *rqstp, __be32 *p, struct nfs_locku_res *res) |
1da177e4 LT |
5299 | { |
5300 | struct xdr_stream xdr; | |
5301 | struct compound_hdr hdr; | |
5302 | int status; | |
5303 | ||
5304 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
5305 | status = decode_compound_hdr(&xdr, &hdr); | |
9b7b9fcc AA |
5306 | if (status) |
5307 | goto out; | |
5308 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
1da177e4 LT |
5309 | if (status) |
5310 | goto out; | |
5311 | status = decode_putfh(&xdr); | |
5312 | if (status) | |
5313 | goto out; | |
5314 | status = decode_locku(&xdr, res); | |
5315 | out: | |
5316 | return status; | |
5317 | } | |
5318 | ||
d3c7b7cc TM |
5319 | static int nfs4_xdr_dec_release_lockowner(struct rpc_rqst *rqstp, __be32 *p, void *dummy) |
5320 | { | |
5321 | struct xdr_stream xdr; | |
5322 | struct compound_hdr hdr; | |
5323 | int status; | |
5324 | ||
5325 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
5326 | status = decode_compound_hdr(&xdr, &hdr); | |
5327 | if (!status) | |
5328 | status = decode_release_lockowner(&xdr); | |
5329 | return status; | |
5330 | } | |
5331 | ||
1da177e4 LT |
5332 | /* |
5333 | * Decode READLINK response | |
5334 | */ | |
f50c7000 BH |
5335 | static int nfs4_xdr_dec_readlink(struct rpc_rqst *rqstp, __be32 *p, |
5336 | struct nfs4_readlink_res *res) | |
1da177e4 LT |
5337 | { |
5338 | struct xdr_stream xdr; | |
5339 | struct compound_hdr hdr; | |
5340 | int status; | |
5341 | ||
5342 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
5343 | status = decode_compound_hdr(&xdr, &hdr); | |
9b7b9fcc AA |
5344 | if (status) |
5345 | goto out; | |
5346 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
1da177e4 LT |
5347 | if (status) |
5348 | goto out; | |
5349 | status = decode_putfh(&xdr); | |
5350 | if (status) | |
5351 | goto out; | |
5352 | status = decode_readlink(&xdr, rqstp); | |
5353 | out: | |
5354 | return status; | |
5355 | } | |
5356 | ||
5357 | /* | |
5358 | * Decode READDIR response | |
5359 | */ | |
8687b63a | 5360 | static int nfs4_xdr_dec_readdir(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_readdir_res *res) |
1da177e4 LT |
5361 | { |
5362 | struct xdr_stream xdr; | |
5363 | struct compound_hdr hdr; | |
5364 | int status; | |
5365 | ||
5366 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
5367 | status = decode_compound_hdr(&xdr, &hdr); | |
9b7b9fcc AA |
5368 | if (status) |
5369 | goto out; | |
5370 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
1da177e4 LT |
5371 | if (status) |
5372 | goto out; | |
5373 | status = decode_putfh(&xdr); | |
5374 | if (status) | |
5375 | goto out; | |
5376 | status = decode_readdir(&xdr, rqstp, res); | |
5377 | out: | |
5378 | return status; | |
5379 | } | |
5380 | ||
5381 | /* | |
5382 | * Decode Read response | |
5383 | */ | |
8687b63a | 5384 | static int nfs4_xdr_dec_read(struct rpc_rqst *rqstp, __be32 *p, struct nfs_readres *res) |
1da177e4 LT |
5385 | { |
5386 | struct xdr_stream xdr; | |
5387 | struct compound_hdr hdr; | |
5388 | int status; | |
5389 | ||
5390 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
5391 | status = decode_compound_hdr(&xdr, &hdr); | |
9b7b9fcc AA |
5392 | if (status) |
5393 | goto out; | |
5394 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
1da177e4 LT |
5395 | if (status) |
5396 | goto out; | |
5397 | status = decode_putfh(&xdr); | |
5398 | if (status) | |
5399 | goto out; | |
5400 | status = decode_read(&xdr, rqstp, res); | |
5401 | if (!status) | |
5402 | status = res->count; | |
5403 | out: | |
5404 | return status; | |
5405 | } | |
5406 | ||
5407 | /* | |
5408 | * Decode WRITE response | |
5409 | */ | |
8687b63a | 5410 | static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, __be32 *p, struct nfs_writeres *res) |
1da177e4 LT |
5411 | { |
5412 | struct xdr_stream xdr; | |
5413 | struct compound_hdr hdr; | |
5414 | int status; | |
5415 | ||
5416 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
5417 | status = decode_compound_hdr(&xdr, &hdr); | |
9b7b9fcc AA |
5418 | if (status) |
5419 | goto out; | |
5420 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
1da177e4 LT |
5421 | if (status) |
5422 | goto out; | |
5423 | status = decode_putfh(&xdr); | |
5424 | if (status) | |
5425 | goto out; | |
5426 | status = decode_write(&xdr, res); | |
4f9838c7 TM |
5427 | if (status) |
5428 | goto out; | |
80e52ace TM |
5429 | decode_getfattr(&xdr, res->fattr, res->server, |
5430 | !RPC_IS_ASYNC(rqstp->rq_task)); | |
1da177e4 LT |
5431 | if (!status) |
5432 | status = res->count; | |
5433 | out: | |
5434 | return status; | |
5435 | } | |
5436 | ||
5437 | /* | |
5438 | * Decode COMMIT response | |
5439 | */ | |
8687b63a | 5440 | static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, __be32 *p, struct nfs_writeres *res) |
1da177e4 LT |
5441 | { |
5442 | struct xdr_stream xdr; | |
5443 | struct compound_hdr hdr; | |
5444 | int status; | |
5445 | ||
5446 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
5447 | status = decode_compound_hdr(&xdr, &hdr); | |
9b7b9fcc AA |
5448 | if (status) |
5449 | goto out; | |
5450 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
1da177e4 LT |
5451 | if (status) |
5452 | goto out; | |
5453 | status = decode_putfh(&xdr); | |
5454 | if (status) | |
5455 | goto out; | |
5456 | status = decode_commit(&xdr, res); | |
4f9838c7 TM |
5457 | if (status) |
5458 | goto out; | |
80e52ace TM |
5459 | decode_getfattr(&xdr, res->fattr, res->server, |
5460 | !RPC_IS_ASYNC(rqstp->rq_task)); | |
1da177e4 LT |
5461 | out: |
5462 | return status; | |
5463 | } | |
5464 | ||
5465 | /* | |
8b173218 | 5466 | * Decode FSINFO response |
1da177e4 | 5467 | */ |
3dda5e43 BH |
5468 | static int nfs4_xdr_dec_fsinfo(struct rpc_rqst *req, __be32 *p, |
5469 | struct nfs4_fsinfo_res *res) | |
1da177e4 LT |
5470 | { |
5471 | struct xdr_stream xdr; | |
5472 | struct compound_hdr hdr; | |
5473 | int status; | |
5474 | ||
5475 | xdr_init_decode(&xdr, &req->rq_rcv_buf, p); | |
5476 | status = decode_compound_hdr(&xdr, &hdr); | |
9b7b9fcc AA |
5477 | if (!status) |
5478 | status = decode_sequence(&xdr, &res->seq_res, req); | |
1da177e4 LT |
5479 | if (!status) |
5480 | status = decode_putfh(&xdr); | |
5481 | if (!status) | |
3dda5e43 | 5482 | status = decode_fsinfo(&xdr, res->fsinfo); |
1da177e4 LT |
5483 | return status; |
5484 | } | |
5485 | ||
5486 | /* | |
8b173218 | 5487 | * Decode PATHCONF response |
1da177e4 | 5488 | */ |
d45b2989 BH |
5489 | static int nfs4_xdr_dec_pathconf(struct rpc_rqst *req, __be32 *p, |
5490 | struct nfs4_pathconf_res *res) | |
1da177e4 LT |
5491 | { |
5492 | struct xdr_stream xdr; | |
5493 | struct compound_hdr hdr; | |
5494 | int status; | |
5495 | ||
5496 | xdr_init_decode(&xdr, &req->rq_rcv_buf, p); | |
5497 | status = decode_compound_hdr(&xdr, &hdr); | |
9b7b9fcc AA |
5498 | if (!status) |
5499 | status = decode_sequence(&xdr, &res->seq_res, req); | |
1da177e4 LT |
5500 | if (!status) |
5501 | status = decode_putfh(&xdr); | |
5502 | if (!status) | |
d45b2989 | 5503 | status = decode_pathconf(&xdr, res->pathconf); |
1da177e4 LT |
5504 | return status; |
5505 | } | |
5506 | ||
5507 | /* | |
8b173218 | 5508 | * Decode STATFS response |
1da177e4 | 5509 | */ |
24ad148a BH |
5510 | static int nfs4_xdr_dec_statfs(struct rpc_rqst *req, __be32 *p, |
5511 | struct nfs4_statfs_res *res) | |
1da177e4 LT |
5512 | { |
5513 | struct xdr_stream xdr; | |
5514 | struct compound_hdr hdr; | |
5515 | int status; | |
5516 | ||
5517 | xdr_init_decode(&xdr, &req->rq_rcv_buf, p); | |
5518 | status = decode_compound_hdr(&xdr, &hdr); | |
9b7b9fcc AA |
5519 | if (!status) |
5520 | status = decode_sequence(&xdr, &res->seq_res, req); | |
1da177e4 LT |
5521 | if (!status) |
5522 | status = decode_putfh(&xdr); | |
5523 | if (!status) | |
24ad148a | 5524 | status = decode_statfs(&xdr, res->fsstat); |
1da177e4 LT |
5525 | return status; |
5526 | } | |
5527 | ||
5528 | /* | |
8b173218 | 5529 | * Decode GETATTR_BITMAP response |
1da177e4 | 5530 | */ |
8687b63a | 5531 | static int nfs4_xdr_dec_server_caps(struct rpc_rqst *req, __be32 *p, struct nfs4_server_caps_res *res) |
1da177e4 LT |
5532 | { |
5533 | struct xdr_stream xdr; | |
5534 | struct compound_hdr hdr; | |
5535 | int status; | |
5536 | ||
5537 | xdr_init_decode(&xdr, &req->rq_rcv_buf, p); | |
9b7b9fcc AA |
5538 | status = decode_compound_hdr(&xdr, &hdr); |
5539 | if (status) | |
5540 | goto out; | |
5541 | status = decode_sequence(&xdr, &res->seq_res, req); | |
5542 | if (status) | |
1da177e4 LT |
5543 | goto out; |
5544 | if ((status = decode_putfh(&xdr)) != 0) | |
5545 | goto out; | |
5546 | status = decode_server_caps(&xdr, res); | |
5547 | out: | |
5548 | return status; | |
5549 | } | |
5550 | ||
5551 | /* | |
5552 | * Decode RENEW response | |
5553 | */ | |
8687b63a | 5554 | static int nfs4_xdr_dec_renew(struct rpc_rqst *rqstp, __be32 *p, void *dummy) |
1da177e4 LT |
5555 | { |
5556 | struct xdr_stream xdr; | |
5557 | struct compound_hdr hdr; | |
5558 | int status; | |
5559 | ||
5560 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
5561 | status = decode_compound_hdr(&xdr, &hdr); | |
5562 | if (!status) | |
5563 | status = decode_renew(&xdr); | |
5564 | return status; | |
5565 | } | |
5566 | ||
5567 | /* | |
8b173218 | 5568 | * Decode SETCLIENTID response |
1da177e4 | 5569 | */ |
8687b63a | 5570 | static int nfs4_xdr_dec_setclientid(struct rpc_rqst *req, __be32 *p, |
bb8b27e5 | 5571 | struct nfs4_setclientid_res *res) |
1da177e4 LT |
5572 | { |
5573 | struct xdr_stream xdr; | |
5574 | struct compound_hdr hdr; | |
5575 | int status; | |
5576 | ||
5577 | xdr_init_decode(&xdr, &req->rq_rcv_buf, p); | |
5578 | status = decode_compound_hdr(&xdr, &hdr); | |
5579 | if (!status) | |
bb8b27e5 | 5580 | status = decode_setclientid(&xdr, res); |
1da177e4 LT |
5581 | return status; |
5582 | } | |
5583 | ||
5584 | /* | |
8b173218 | 5585 | * Decode SETCLIENTID_CONFIRM response |
1da177e4 | 5586 | */ |
8687b63a | 5587 | static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst *req, __be32 *p, struct nfs_fsinfo *fsinfo) |
1da177e4 LT |
5588 | { |
5589 | struct xdr_stream xdr; | |
5590 | struct compound_hdr hdr; | |
5591 | int status; | |
5592 | ||
5593 | xdr_init_decode(&xdr, &req->rq_rcv_buf, p); | |
5594 | status = decode_compound_hdr(&xdr, &hdr); | |
5595 | if (!status) | |
5596 | status = decode_setclientid_confirm(&xdr); | |
5597 | if (!status) | |
5598 | status = decode_putrootfh(&xdr); | |
5599 | if (!status) | |
5600 | status = decode_fsinfo(&xdr, fsinfo); | |
1da177e4 LT |
5601 | return status; |
5602 | } | |
5603 | ||
5604 | /* | |
8b173218 | 5605 | * Decode DELEGRETURN response |
1da177e4 | 5606 | */ |
8687b63a | 5607 | static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_delegreturnres *res) |
1da177e4 LT |
5608 | { |
5609 | struct xdr_stream xdr; | |
5610 | struct compound_hdr hdr; | |
5611 | int status; | |
5612 | ||
5613 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
5614 | status = decode_compound_hdr(&xdr, &hdr); | |
9b7b9fcc AA |
5615 | if (status) |
5616 | goto out; | |
5617 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
5618 | if (status) | |
fa178f29 TM |
5619 | goto out; |
5620 | status = decode_putfh(&xdr); | |
5621 | if (status != 0) | |
5622 | goto out; | |
5623 | status = decode_delegreturn(&xdr); | |
556ae3bb JL |
5624 | if (status != 0) |
5625 | goto out; | |
80e52ace TM |
5626 | decode_getfattr(&xdr, res->fattr, res->server, |
5627 | !RPC_IS_ASYNC(rqstp->rq_task)); | |
fa178f29 | 5628 | out: |
1da177e4 LT |
5629 | return status; |
5630 | } | |
5631 | ||
683b57b4 | 5632 | /* |
8b173218 | 5633 | * Decode FS_LOCATIONS response |
683b57b4 | 5634 | */ |
22958463 BH |
5635 | static int nfs4_xdr_dec_fs_locations(struct rpc_rqst *req, __be32 *p, |
5636 | struct nfs4_fs_locations_res *res) | |
683b57b4 TM |
5637 | { |
5638 | struct xdr_stream xdr; | |
5639 | struct compound_hdr hdr; | |
5640 | int status; | |
5641 | ||
5642 | xdr_init_decode(&xdr, &req->rq_rcv_buf, p); | |
5643 | status = decode_compound_hdr(&xdr, &hdr); | |
9b7b9fcc AA |
5644 | if (status) |
5645 | goto out; | |
5646 | status = decode_sequence(&xdr, &res->seq_res, req); | |
5647 | if (status) | |
683b57b4 TM |
5648 | goto out; |
5649 | if ((status = decode_putfh(&xdr)) != 0) | |
5650 | goto out; | |
5651 | if ((status = decode_lookup(&xdr)) != 0) | |
5652 | goto out; | |
5653 | xdr_enter_page(&xdr, PAGE_SIZE); | |
22958463 | 5654 | status = decode_getfattr(&xdr, &res->fs_locations->fattr, |
80e52ace TM |
5655 | res->fs_locations->server, |
5656 | !RPC_IS_ASYNC(req->rq_task)); | |
683b57b4 TM |
5657 | out: |
5658 | return status; | |
5659 | } | |
5660 | ||
99fe60d0 BH |
5661 | #if defined(CONFIG_NFS_V4_1) |
5662 | /* | |
8b173218 | 5663 | * Decode EXCHANGE_ID response |
99fe60d0 BH |
5664 | */ |
5665 | static int nfs4_xdr_dec_exchange_id(struct rpc_rqst *rqstp, uint32_t *p, | |
5666 | void *res) | |
5667 | { | |
5668 | struct xdr_stream xdr; | |
5669 | struct compound_hdr hdr; | |
5670 | int status; | |
5671 | ||
5672 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
5673 | status = decode_compound_hdr(&xdr, &hdr); | |
5674 | if (!status) | |
5675 | status = decode_exchange_id(&xdr, res); | |
5676 | return status; | |
5677 | } | |
2050f0cc | 5678 | |
fc931582 | 5679 | /* |
8b173218 | 5680 | * Decode CREATE_SESSION response |
fc931582 AA |
5681 | */ |
5682 | static int nfs4_xdr_dec_create_session(struct rpc_rqst *rqstp, uint32_t *p, | |
5683 | struct nfs41_create_session_res *res) | |
5684 | { | |
5685 | struct xdr_stream xdr; | |
5686 | struct compound_hdr hdr; | |
5687 | int status; | |
5688 | ||
5689 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
5690 | status = decode_compound_hdr(&xdr, &hdr); | |
5691 | if (!status) | |
5692 | status = decode_create_session(&xdr, res); | |
5693 | return status; | |
5694 | } | |
5695 | ||
0f3e66c6 | 5696 | /* |
8b173218 | 5697 | * Decode DESTROY_SESSION response |
0f3e66c6 AA |
5698 | */ |
5699 | static int nfs4_xdr_dec_destroy_session(struct rpc_rqst *rqstp, uint32_t *p, | |
5700 | void *dummy) | |
5701 | { | |
5702 | struct xdr_stream xdr; | |
5703 | struct compound_hdr hdr; | |
5704 | int status; | |
5705 | ||
5706 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
5707 | status = decode_compound_hdr(&xdr, &hdr); | |
5708 | if (!status) | |
5709 | status = decode_destroy_session(&xdr, dummy); | |
5710 | return status; | |
5711 | } | |
5712 | ||
fc01cea9 | 5713 | /* |
8b173218 | 5714 | * Decode SEQUENCE response |
fc01cea9 AA |
5715 | */ |
5716 | static int nfs4_xdr_dec_sequence(struct rpc_rqst *rqstp, uint32_t *p, | |
5717 | struct nfs4_sequence_res *res) | |
5718 | { | |
5719 | struct xdr_stream xdr; | |
5720 | struct compound_hdr hdr; | |
5721 | int status; | |
5722 | ||
5723 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
5724 | status = decode_compound_hdr(&xdr, &hdr); | |
5725 | if (!status) | |
5726 | status = decode_sequence(&xdr, res, rqstp); | |
5727 | return status; | |
5728 | } | |
5729 | ||
2050f0cc | 5730 | /* |
8b173218 | 5731 | * Decode GET_LEASE_TIME response |
2050f0cc AA |
5732 | */ |
5733 | static int nfs4_xdr_dec_get_lease_time(struct rpc_rqst *rqstp, uint32_t *p, | |
5734 | struct nfs4_get_lease_time_res *res) | |
5735 | { | |
5736 | struct xdr_stream xdr; | |
5737 | struct compound_hdr hdr; | |
5738 | int status; | |
5739 | ||
5740 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
5741 | status = decode_compound_hdr(&xdr, &hdr); | |
5742 | if (!status) | |
5743 | status = decode_sequence(&xdr, &res->lr_seq_res, rqstp); | |
5744 | if (!status) | |
5745 | status = decode_putrootfh(&xdr); | |
5746 | if (!status) | |
5747 | status = decode_fsinfo(&xdr, res->lr_fsinfo); | |
5748 | return status; | |
5749 | } | |
18019753 RL |
5750 | |
5751 | /* | |
5752 | * Decode RECLAIM_COMPLETE response | |
5753 | */ | |
5754 | static int nfs4_xdr_dec_reclaim_complete(struct rpc_rqst *rqstp, uint32_t *p, | |
5755 | struct nfs41_reclaim_complete_res *res) | |
5756 | { | |
5757 | struct xdr_stream xdr; | |
5758 | struct compound_hdr hdr; | |
5759 | int status; | |
5760 | ||
5761 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
5762 | status = decode_compound_hdr(&xdr, &hdr); | |
5763 | if (!status) | |
5764 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
5765 | if (!status) | |
5766 | status = decode_reclaim_complete(&xdr, (void *)NULL); | |
5767 | return status; | |
5768 | } | |
99fe60d0 BH |
5769 | #endif /* CONFIG_NFS_V4_1 */ |
5770 | ||
babddc72 | 5771 | __be32 *nfs4_decode_dirent(struct xdr_stream *xdr, struct nfs_entry *entry, int plus) |
1da177e4 LT |
5772 | { |
5773 | uint32_t bitmap[2] = {0}; | |
5774 | uint32_t len; | |
babddc72 BS |
5775 | __be32 *p = xdr_inline_decode(xdr, 4); |
5776 | if (unlikely(!p)) | |
5777 | goto out_overflow; | |
5778 | if (!ntohl(*p++)) { | |
5779 | p = xdr_inline_decode(xdr, 4); | |
5780 | if (unlikely(!p)) | |
5781 | goto out_overflow; | |
5782 | if (!ntohl(*p++)) | |
1da177e4 LT |
5783 | return ERR_PTR(-EAGAIN); |
5784 | entry->eof = 1; | |
5785 | return ERR_PTR(-EBADCOOKIE); | |
5786 | } | |
5787 | ||
babddc72 BS |
5788 | p = xdr_inline_decode(xdr, 12); |
5789 | if (unlikely(!p)) | |
5790 | goto out_overflow; | |
1da177e4 LT |
5791 | entry->prev_cookie = entry->cookie; |
5792 | p = xdr_decode_hyper(p, &entry->cookie); | |
5793 | entry->len = ntohl(*p++); | |
babddc72 BS |
5794 | |
5795 | p = xdr_inline_decode(xdr, entry->len + 4); | |
5796 | if (unlikely(!p)) | |
5797 | goto out_overflow; | |
1da177e4 LT |
5798 | entry->name = (const char *) p; |
5799 | p += XDR_QUADLEN(entry->len); | |
5800 | ||
5801 | /* | |
5802 | * In case the server doesn't return an inode number, | |
5803 | * we fake one here. (We don't use inode number 0, | |
5804 | * since glibc seems to choke on it...) | |
5805 | */ | |
5806 | entry->ino = 1; | |
5807 | ||
5808 | len = ntohl(*p++); /* bitmap length */ | |
5809 | if (len-- > 0) { | |
babddc72 BS |
5810 | p = xdr_inline_decode(xdr, 4); |
5811 | if (unlikely(!p)) | |
5812 | goto out_overflow; | |
1da177e4 LT |
5813 | bitmap[0] = ntohl(*p++); |
5814 | if (len-- > 0) { | |
babddc72 BS |
5815 | p = xdr_inline_decode(xdr, 4); |
5816 | if (unlikely(!p)) | |
5817 | goto out_overflow; | |
1da177e4 LT |
5818 | bitmap[1] = ntohl(*p++); |
5819 | p += len; | |
5820 | } | |
5821 | } | |
babddc72 BS |
5822 | p = xdr_inline_decode(xdr, 4); |
5823 | if (unlikely(!p)) | |
5824 | goto out_overflow; | |
1da177e4 LT |
5825 | len = XDR_QUADLEN(ntohl(*p++)); /* attribute buffer length */ |
5826 | if (len > 0) { | |
97d312d0 MN |
5827 | if (bitmap[0] & FATTR4_WORD0_RDATTR_ERROR) { |
5828 | bitmap[0] &= ~FATTR4_WORD0_RDATTR_ERROR; | |
5829 | /* Ignore the return value of rdattr_error for now */ | |
babddc72 BS |
5830 | p = xdr_inline_decode(xdr, 4); |
5831 | if (unlikely(!p)) | |
5832 | goto out_overflow; | |
97d312d0 | 5833 | } |
babddc72 BS |
5834 | if (bitmap[0] == 0 && bitmap[1] == FATTR4_WORD1_MOUNTED_ON_FILEID) { |
5835 | p = xdr_inline_decode(xdr, 8); | |
5836 | if (unlikely(!p)) | |
5837 | goto out_overflow; | |
1da177e4 | 5838 | xdr_decode_hyper(p, &entry->ino); |
babddc72 BS |
5839 | } else if (bitmap[0] == FATTR4_WORD0_FILEID) { |
5840 | p = xdr_inline_decode(xdr, 8); | |
5841 | if (unlikely(!p)) | |
5842 | goto out_overflow; | |
1da177e4 | 5843 | xdr_decode_hyper(p, &entry->ino); |
babddc72 | 5844 | } |
1da177e4 LT |
5845 | } |
5846 | ||
babddc72 BS |
5847 | p = xdr_inline_peek(xdr, 8); |
5848 | if (p != NULL) | |
5849 | entry->eof = !p[0] && p[1]; | |
5850 | else | |
5851 | entry->eof = 0; | |
5852 | ||
1da177e4 | 5853 | return p; |
babddc72 BS |
5854 | |
5855 | out_overflow: | |
5856 | print_overflow_msg(__func__, xdr); | |
5857 | return ERR_PTR(-EIO); | |
1da177e4 LT |
5858 | } |
5859 | ||
5860 | /* | |
5861 | * We need to translate between nfs status return values and | |
5862 | * the local errno values which may not be the same. | |
5863 | */ | |
5864 | static struct { | |
5865 | int stat; | |
5866 | int errno; | |
5867 | } nfs_errtbl[] = { | |
5868 | { NFS4_OK, 0 }, | |
856dff3d BH |
5869 | { NFS4ERR_PERM, -EPERM }, |
5870 | { NFS4ERR_NOENT, -ENOENT }, | |
5871 | { NFS4ERR_IO, -errno_NFSERR_IO}, | |
5872 | { NFS4ERR_NXIO, -ENXIO }, | |
5873 | { NFS4ERR_ACCESS, -EACCES }, | |
5874 | { NFS4ERR_EXIST, -EEXIST }, | |
5875 | { NFS4ERR_XDEV, -EXDEV }, | |
5876 | { NFS4ERR_NOTDIR, -ENOTDIR }, | |
5877 | { NFS4ERR_ISDIR, -EISDIR }, | |
5878 | { NFS4ERR_INVAL, -EINVAL }, | |
5879 | { NFS4ERR_FBIG, -EFBIG }, | |
5880 | { NFS4ERR_NOSPC, -ENOSPC }, | |
5881 | { NFS4ERR_ROFS, -EROFS }, | |
5882 | { NFS4ERR_MLINK, -EMLINK }, | |
5883 | { NFS4ERR_NAMETOOLONG, -ENAMETOOLONG }, | |
5884 | { NFS4ERR_NOTEMPTY, -ENOTEMPTY }, | |
5885 | { NFS4ERR_DQUOT, -EDQUOT }, | |
5886 | { NFS4ERR_STALE, -ESTALE }, | |
5887 | { NFS4ERR_BADHANDLE, -EBADHANDLE }, | |
5888 | { NFS4ERR_BADOWNER, -EINVAL }, | |
5889 | { NFS4ERR_BADNAME, -EINVAL }, | |
5890 | { NFS4ERR_BAD_COOKIE, -EBADCOOKIE }, | |
5891 | { NFS4ERR_NOTSUPP, -ENOTSUPP }, | |
5892 | { NFS4ERR_TOOSMALL, -ETOOSMALL }, | |
fdcb4577 | 5893 | { NFS4ERR_SERVERFAULT, -EREMOTEIO }, |
856dff3d BH |
5894 | { NFS4ERR_BADTYPE, -EBADTYPE }, |
5895 | { NFS4ERR_LOCKED, -EAGAIN }, | |
856dff3d BH |
5896 | { NFS4ERR_SYMLINK, -ELOOP }, |
5897 | { NFS4ERR_OP_ILLEGAL, -EOPNOTSUPP }, | |
5898 | { NFS4ERR_DEADLOCK, -EDEADLK }, | |
5899 | { NFS4ERR_WRONGSEC, -EPERM }, /* FIXME: this needs | |
1da177e4 LT |
5900 | * to be handled by a |
5901 | * middle-layer. | |
5902 | */ | |
856dff3d | 5903 | { -1, -EIO } |
1da177e4 LT |
5904 | }; |
5905 | ||
5906 | /* | |
5907 | * Convert an NFS error code to a local one. | |
5908 | * This one is used jointly by NFSv2 and NFSv3. | |
5909 | */ | |
5910 | static int | |
0a8ea437 | 5911 | nfs4_stat_to_errno(int stat) |
1da177e4 LT |
5912 | { |
5913 | int i; | |
5914 | for (i = 0; nfs_errtbl[i].stat != -1; i++) { | |
5915 | if (nfs_errtbl[i].stat == stat) | |
5916 | return nfs_errtbl[i].errno; | |
5917 | } | |
5918 | if (stat <= 10000 || stat > 10100) { | |
5919 | /* The server is looney tunes. */ | |
fdcb4577 | 5920 | return -EREMOTEIO; |
1da177e4 LT |
5921 | } |
5922 | /* If we cannot translate the error, the recovery routines should | |
5923 | * handle it. | |
5924 | * Note: remaining NFSv4 error codes have values > 10000, so should | |
5925 | * not conflict with native Linux error codes. | |
5926 | */ | |
856dff3d | 5927 | return -stat; |
1da177e4 LT |
5928 | } |
5929 | ||
1da177e4 LT |
5930 | #define PROC(proc, argtype, restype) \ |
5931 | [NFSPROC4_CLNT_##proc] = { \ | |
5932 | .p_proc = NFSPROC4_COMPOUND, \ | |
5933 | .p_encode = (kxdrproc_t) nfs4_xdr_##argtype, \ | |
5934 | .p_decode = (kxdrproc_t) nfs4_xdr_##restype, \ | |
2bea90d4 CL |
5935 | .p_arglen = NFS4_##argtype##_sz, \ |
5936 | .p_replen = NFS4_##restype##_sz, \ | |
cc0175c1 CL |
5937 | .p_statidx = NFSPROC4_CLNT_##proc, \ |
5938 | .p_name = #proc, \ | |
05d564fe | 5939 | } |
1da177e4 LT |
5940 | |
5941 | struct rpc_procinfo nfs4_procedures[] = { | |
5942 | PROC(READ, enc_read, dec_read), | |
5943 | PROC(WRITE, enc_write, dec_write), | |
5944 | PROC(COMMIT, enc_commit, dec_commit), | |
5945 | PROC(OPEN, enc_open, dec_open), | |
5946 | PROC(OPEN_CONFIRM, enc_open_confirm, dec_open_confirm), | |
5947 | PROC(OPEN_NOATTR, enc_open_noattr, dec_open_noattr), | |
5948 | PROC(OPEN_DOWNGRADE, enc_open_downgrade, dec_open_downgrade), | |
5949 | PROC(CLOSE, enc_close, dec_close), | |
5950 | PROC(SETATTR, enc_setattr, dec_setattr), | |
5951 | PROC(FSINFO, enc_fsinfo, dec_fsinfo), | |
5952 | PROC(RENEW, enc_renew, dec_renew), | |
5953 | PROC(SETCLIENTID, enc_setclientid, dec_setclientid), | |
5954 | PROC(SETCLIENTID_CONFIRM, enc_setclientid_confirm, dec_setclientid_confirm), | |
5955 | PROC(LOCK, enc_lock, dec_lock), | |
5956 | PROC(LOCKT, enc_lockt, dec_lockt), | |
5957 | PROC(LOCKU, enc_locku, dec_locku), | |
5958 | PROC(ACCESS, enc_access, dec_access), | |
5959 | PROC(GETATTR, enc_getattr, dec_getattr), | |
5960 | PROC(LOOKUP, enc_lookup, dec_lookup), | |
5961 | PROC(LOOKUP_ROOT, enc_lookup_root, dec_lookup_root), | |
5962 | PROC(REMOVE, enc_remove, dec_remove), | |
5963 | PROC(RENAME, enc_rename, dec_rename), | |
5964 | PROC(LINK, enc_link, dec_link), | |
5965 | PROC(SYMLINK, enc_symlink, dec_symlink), | |
5966 | PROC(CREATE, enc_create, dec_create), | |
5967 | PROC(PATHCONF, enc_pathconf, dec_pathconf), | |
5968 | PROC(STATFS, enc_statfs, dec_statfs), | |
5969 | PROC(READLINK, enc_readlink, dec_readlink), | |
5970 | PROC(READDIR, enc_readdir, dec_readdir), | |
5971 | PROC(SERVER_CAPS, enc_server_caps, dec_server_caps), | |
5972 | PROC(DELEGRETURN, enc_delegreturn, dec_delegreturn), | |
029d105e | 5973 | PROC(GETACL, enc_getacl, dec_getacl), |
23ec6965 | 5974 | PROC(SETACL, enc_setacl, dec_setacl), |
683b57b4 | 5975 | PROC(FS_LOCATIONS, enc_fs_locations, dec_fs_locations), |
d3c7b7cc | 5976 | PROC(RELEASE_LOCKOWNER, enc_release_lockowner, dec_release_lockowner), |
99fe60d0 BH |
5977 | #if defined(CONFIG_NFS_V4_1) |
5978 | PROC(EXCHANGE_ID, enc_exchange_id, dec_exchange_id), | |
fc931582 | 5979 | PROC(CREATE_SESSION, enc_create_session, dec_create_session), |
0f3e66c6 | 5980 | PROC(DESTROY_SESSION, enc_destroy_session, dec_destroy_session), |
fc01cea9 | 5981 | PROC(SEQUENCE, enc_sequence, dec_sequence), |
2050f0cc | 5982 | PROC(GET_LEASE_TIME, enc_get_lease_time, dec_get_lease_time), |
18019753 | 5983 | PROC(RECLAIM_COMPLETE, enc_reclaim_complete, dec_reclaim_complete), |
99fe60d0 | 5984 | #endif /* CONFIG_NFS_V4_1 */ |
1da177e4 LT |
5985 | }; |
5986 | ||
5987 | struct rpc_version nfs_version4 = { | |
5988 | .number = 4, | |
e8c96f8c | 5989 | .nrprocs = ARRAY_SIZE(nfs4_procedures), |
1da177e4 LT |
5990 | .procs = nfs4_procedures |
5991 | }; | |
5992 | ||
5993 | /* | |
5994 | * Local variables: | |
5995 | * c-basic-offset: 8 | |
5996 | * End: | |
5997 | */ |