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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" |
b1f69b75 | 55 | #include "pnfs.h" |
1da177e4 LT |
56 | |
57 | #define NFSDBG_FACILITY NFSDBG_XDR | |
58 | ||
59 | /* Mapping from NFS error code to "errno" error code. */ | |
60 | #define errno_NFSERR_IO EIO | |
61 | ||
0a8ea437 | 62 | static int nfs4_stat_to_errno(int); |
1da177e4 LT |
63 | |
64 | /* NFSv4 COMPOUND tags are only wanted for debugging purposes */ | |
65 | #ifdef DEBUG | |
66 | #define NFS4_MAXTAGLEN 20 | |
67 | #else | |
68 | #define NFS4_MAXTAGLEN 0 | |
69 | #endif | |
70 | ||
6c0195a4 | 71 | /* lock,open owner id: |
9f958ab8 | 72 | * we currently use size 2 (u64) out of (NFS4_OPAQUE_LIMIT >> 2) |
1da177e4 | 73 | */ |
9f958ab8 TM |
74 | #define open_owner_id_maxsz (1 + 4) |
75 | #define lock_owner_id_maxsz (1 + 4) | |
9104a55d | 76 | #define decode_lockowner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) |
1da177e4 LT |
77 | #define compound_encode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2)) |
78 | #define compound_decode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2)) | |
79 | #define op_encode_hdr_maxsz (1) | |
80 | #define op_decode_hdr_maxsz (2) | |
9104a55d TM |
81 | #define encode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE)) |
82 | #define decode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE)) | |
83 | #define encode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE)) | |
84 | #define decode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE)) | |
1da177e4 LT |
85 | #define encode_putfh_maxsz (op_encode_hdr_maxsz + 1 + \ |
86 | (NFS4_FHSIZE >> 2)) | |
87 | #define decode_putfh_maxsz (op_decode_hdr_maxsz) | |
88 | #define encode_putrootfh_maxsz (op_encode_hdr_maxsz) | |
89 | #define decode_putrootfh_maxsz (op_decode_hdr_maxsz) | |
90 | #define encode_getfh_maxsz (op_encode_hdr_maxsz) | |
91 | #define decode_getfh_maxsz (op_decode_hdr_maxsz + 1 + \ | |
92 | ((3+NFS4_FHSIZE) >> 2)) | |
96928206 BF |
93 | #define nfs4_fattr_bitmap_maxsz 3 |
94 | #define encode_getattr_maxsz (op_encode_hdr_maxsz + nfs4_fattr_bitmap_maxsz) | |
1da177e4 LT |
95 | #define nfs4_name_maxsz (1 + ((3 + NFS4_MAXNAMLEN) >> 2)) |
96 | #define nfs4_path_maxsz (1 + ((3 + NFS4_MAXPATHLEN) >> 2)) | |
bd625ba8 TM |
97 | #define nfs4_owner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) |
98 | #define nfs4_group_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) | |
96928206 BF |
99 | /* This is based on getfattr, which uses the most attributes: */ |
100 | #define nfs4_fattr_value_maxsz (1 + (1 + 2 + 2 + 4 + 2 + 1 + 1 + 2 + 2 + \ | |
bd625ba8 | 101 | 3 + 3 + 3 + nfs4_owner_maxsz + nfs4_group_maxsz)) |
96928206 BF |
102 | #define nfs4_fattr_maxsz (nfs4_fattr_bitmap_maxsz + \ |
103 | nfs4_fattr_value_maxsz) | |
104 | #define decode_getattr_maxsz (op_decode_hdr_maxsz + nfs4_fattr_maxsz) | |
9104a55d TM |
105 | #define encode_attrs_maxsz (nfs4_fattr_bitmap_maxsz + \ |
106 | 1 + 2 + 1 + \ | |
107 | nfs4_owner_maxsz + \ | |
108 | nfs4_group_maxsz + \ | |
109 | 4 + 4) | |
1da177e4 LT |
110 | #define encode_savefh_maxsz (op_encode_hdr_maxsz) |
111 | #define decode_savefh_maxsz (op_decode_hdr_maxsz) | |
56ae19f3 TM |
112 | #define encode_restorefh_maxsz (op_encode_hdr_maxsz) |
113 | #define decode_restorefh_maxsz (op_decode_hdr_maxsz) | |
2f42b5d0 | 114 | #define encode_fsinfo_maxsz (encode_getattr_maxsz) |
1da177e4 LT |
115 | #define decode_fsinfo_maxsz (op_decode_hdr_maxsz + 11) |
116 | #define encode_renew_maxsz (op_encode_hdr_maxsz + 3) | |
117 | #define decode_renew_maxsz (op_decode_hdr_maxsz) | |
118 | #define encode_setclientid_maxsz \ | |
119 | (op_encode_hdr_maxsz + \ | |
cc38bac3 CL |
120 | XDR_QUADLEN(NFS4_VERIFIER_SIZE) + \ |
121 | XDR_QUADLEN(NFS4_SETCLIENTID_NAMELEN) + \ | |
122 | 1 /* sc_prog */ + \ | |
123 | XDR_QUADLEN(RPCBIND_MAXNETIDLEN) + \ | |
124 | XDR_QUADLEN(RPCBIND_MAXUADDRLEN) + \ | |
125 | 1) /* sc_cb_ident */ | |
1da177e4 LT |
126 | #define decode_setclientid_maxsz \ |
127 | (op_decode_hdr_maxsz + \ | |
128 | 2 + \ | |
129 | 1024) /* large value for CLID_INUSE */ | |
130 | #define encode_setclientid_confirm_maxsz \ | |
131 | (op_encode_hdr_maxsz + \ | |
132 | 3 + (NFS4_VERIFIER_SIZE >> 2)) | |
133 | #define decode_setclientid_confirm_maxsz \ | |
134 | (op_decode_hdr_maxsz) | |
e6889620 TM |
135 | #define encode_lookup_maxsz (op_encode_hdr_maxsz + nfs4_name_maxsz) |
136 | #define decode_lookup_maxsz (op_decode_hdr_maxsz) | |
2cebf828 TM |
137 | #define encode_share_access_maxsz \ |
138 | (2) | |
4882ef72 | 139 | #define encode_createmode_maxsz (1 + encode_attrs_maxsz + encode_verifier_maxsz) |
2cebf828 TM |
140 | #define encode_opentype_maxsz (1 + encode_createmode_maxsz) |
141 | #define encode_claim_null_maxsz (1 + nfs4_name_maxsz) | |
142 | #define encode_open_maxsz (op_encode_hdr_maxsz + \ | |
143 | 2 + encode_share_access_maxsz + 2 + \ | |
144 | open_owner_id_maxsz + \ | |
145 | encode_opentype_maxsz + \ | |
146 | encode_claim_null_maxsz) | |
147 | #define decode_ace_maxsz (3 + nfs4_owner_maxsz) | |
9104a55d | 148 | #define decode_delegation_maxsz (1 + decode_stateid_maxsz + 1 + \ |
2cebf828 TM |
149 | decode_ace_maxsz) |
150 | #define decode_change_info_maxsz (5) | |
151 | #define decode_open_maxsz (op_decode_hdr_maxsz + \ | |
9104a55d | 152 | decode_stateid_maxsz + \ |
2cebf828 TM |
153 | decode_change_info_maxsz + 1 + \ |
154 | nfs4_fattr_bitmap_maxsz + \ | |
155 | decode_delegation_maxsz) | |
9104a55d TM |
156 | #define encode_open_confirm_maxsz \ |
157 | (op_encode_hdr_maxsz + \ | |
158 | encode_stateid_maxsz + 1) | |
159 | #define decode_open_confirm_maxsz \ | |
160 | (op_decode_hdr_maxsz + \ | |
161 | decode_stateid_maxsz) | |
162 | #define encode_open_downgrade_maxsz \ | |
163 | (op_encode_hdr_maxsz + \ | |
164 | encode_stateid_maxsz + 1 + \ | |
165 | encode_share_access_maxsz) | |
166 | #define decode_open_downgrade_maxsz \ | |
167 | (op_decode_hdr_maxsz + \ | |
168 | decode_stateid_maxsz) | |
169 | #define encode_close_maxsz (op_encode_hdr_maxsz + \ | |
170 | 1 + encode_stateid_maxsz) | |
171 | #define decode_close_maxsz (op_decode_hdr_maxsz + \ | |
172 | decode_stateid_maxsz) | |
173 | #define encode_setattr_maxsz (op_encode_hdr_maxsz + \ | |
174 | encode_stateid_maxsz + \ | |
175 | encode_attrs_maxsz) | |
176 | #define decode_setattr_maxsz (op_decode_hdr_maxsz + \ | |
177 | nfs4_fattr_bitmap_maxsz) | |
178 | #define encode_read_maxsz (op_encode_hdr_maxsz + \ | |
179 | encode_stateid_maxsz + 3) | |
180 | #define decode_read_maxsz (op_decode_hdr_maxsz + 2) | |
181 | #define encode_readdir_maxsz (op_encode_hdr_maxsz + \ | |
182 | 2 + encode_verifier_maxsz + 5) | |
183 | #define decode_readdir_maxsz (op_decode_hdr_maxsz + \ | |
184 | decode_verifier_maxsz) | |
185 | #define encode_readlink_maxsz (op_encode_hdr_maxsz) | |
186 | #define decode_readlink_maxsz (op_decode_hdr_maxsz + 1) | |
187 | #define encode_write_maxsz (op_encode_hdr_maxsz + \ | |
188 | encode_stateid_maxsz + 4) | |
189 | #define decode_write_maxsz (op_decode_hdr_maxsz + \ | |
190 | 2 + decode_verifier_maxsz) | |
191 | #define encode_commit_maxsz (op_encode_hdr_maxsz + 3) | |
192 | #define decode_commit_maxsz (op_decode_hdr_maxsz + \ | |
193 | decode_verifier_maxsz) | |
1da177e4 LT |
194 | #define encode_remove_maxsz (op_encode_hdr_maxsz + \ |
195 | nfs4_name_maxsz) | |
6ce18391 BH |
196 | #define decode_remove_maxsz (op_decode_hdr_maxsz + \ |
197 | decode_change_info_maxsz) | |
1da177e4 LT |
198 | #define encode_rename_maxsz (op_encode_hdr_maxsz + \ |
199 | 2 * nfs4_name_maxsz) | |
6ce18391 BH |
200 | #define decode_rename_maxsz (op_decode_hdr_maxsz + \ |
201 | decode_change_info_maxsz + \ | |
202 | decode_change_info_maxsz) | |
1da177e4 LT |
203 | #define encode_link_maxsz (op_encode_hdr_maxsz + \ |
204 | nfs4_name_maxsz) | |
6ce18391 | 205 | #define decode_link_maxsz (op_decode_hdr_maxsz + decode_change_info_maxsz) |
daccbded | 206 | #define encode_lockowner_maxsz (7) |
9104a55d TM |
207 | #define encode_lock_maxsz (op_encode_hdr_maxsz + \ |
208 | 7 + \ | |
daccbded TM |
209 | 1 + encode_stateid_maxsz + 1 + \ |
210 | encode_lockowner_maxsz) | |
9104a55d TM |
211 | #define decode_lock_denied_maxsz \ |
212 | (8 + decode_lockowner_maxsz) | |
213 | #define decode_lock_maxsz (op_decode_hdr_maxsz + \ | |
214 | decode_lock_denied_maxsz) | |
daccbded TM |
215 | #define encode_lockt_maxsz (op_encode_hdr_maxsz + 5 + \ |
216 | encode_lockowner_maxsz) | |
9104a55d TM |
217 | #define decode_lockt_maxsz (op_decode_hdr_maxsz + \ |
218 | decode_lock_denied_maxsz) | |
219 | #define encode_locku_maxsz (op_encode_hdr_maxsz + 3 + \ | |
220 | encode_stateid_maxsz + \ | |
221 | 4) | |
222 | #define decode_locku_maxsz (op_decode_hdr_maxsz + \ | |
223 | decode_stateid_maxsz) | |
d3c7b7cc TM |
224 | #define encode_release_lockowner_maxsz \ |
225 | (op_encode_hdr_maxsz + \ | |
226 | encode_lockowner_maxsz) | |
227 | #define decode_release_lockowner_maxsz \ | |
228 | (op_decode_hdr_maxsz) | |
9104a55d TM |
229 | #define encode_access_maxsz (op_encode_hdr_maxsz + 1) |
230 | #define decode_access_maxsz (op_decode_hdr_maxsz + 2) | |
1da177e4 LT |
231 | #define encode_symlink_maxsz (op_encode_hdr_maxsz + \ |
232 | 1 + nfs4_name_maxsz + \ | |
94a6d753 | 233 | 1 + \ |
96928206 | 234 | nfs4_fattr_maxsz) |
1da177e4 LT |
235 | #define decode_symlink_maxsz (op_decode_hdr_maxsz + 8) |
236 | #define encode_create_maxsz (op_encode_hdr_maxsz + \ | |
9104a55d TM |
237 | 1 + 2 + nfs4_name_maxsz + \ |
238 | encode_attrs_maxsz) | |
2cebf828 TM |
239 | #define decode_create_maxsz (op_decode_hdr_maxsz + \ |
240 | decode_change_info_maxsz + \ | |
241 | nfs4_fattr_bitmap_maxsz) | |
9104a55d TM |
242 | #define encode_statfs_maxsz (encode_getattr_maxsz) |
243 | #define decode_statfs_maxsz (decode_getattr_maxsz) | |
1da177e4 LT |
244 | #define encode_delegreturn_maxsz (op_encode_hdr_maxsz + 4) |
245 | #define decode_delegreturn_maxsz (op_decode_hdr_maxsz) | |
9104a55d TM |
246 | #define encode_getacl_maxsz (encode_getattr_maxsz) |
247 | #define decode_getacl_maxsz (op_decode_hdr_maxsz + \ | |
248 | nfs4_fattr_bitmap_maxsz + 1) | |
249 | #define encode_setacl_maxsz (op_encode_hdr_maxsz + \ | |
250 | encode_stateid_maxsz + 3) | |
251 | #define decode_setacl_maxsz (decode_setattr_maxsz) | |
e6889620 TM |
252 | #define encode_fs_locations_maxsz \ |
253 | (encode_getattr_maxsz) | |
254 | #define decode_fs_locations_maxsz \ | |
255 | (0) | |
9b7b9fcc AA |
256 | |
257 | #if defined(CONFIG_NFS_V4_1) | |
fc931582 AA |
258 | #define NFS4_MAX_MACHINE_NAME_LEN (64) |
259 | ||
99fe60d0 BH |
260 | #define encode_exchange_id_maxsz (op_encode_hdr_maxsz + \ |
261 | encode_verifier_maxsz + \ | |
262 | 1 /* co_ownerid.len */ + \ | |
263 | XDR_QUADLEN(NFS4_EXCHANGE_ID_LEN) + \ | |
264 | 1 /* flags */ + \ | |
265 | 1 /* spa_how */ + \ | |
266 | 0 /* SP4_NONE (for now) */ + \ | |
267 | 1 /* zero implemetation id array */) | |
268 | #define decode_exchange_id_maxsz (op_decode_hdr_maxsz + \ | |
269 | 2 /* eir_clientid */ + \ | |
270 | 1 /* eir_sequenceid */ + \ | |
271 | 1 /* eir_flags */ + \ | |
272 | 1 /* spr_how */ + \ | |
273 | 0 /* SP4_NONE (for now) */ + \ | |
274 | 2 /* eir_server_owner.so_minor_id */ + \ | |
275 | /* eir_server_owner.so_major_id<> */ \ | |
276 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 + \ | |
277 | /* eir_server_scope<> */ \ | |
278 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 + \ | |
279 | 1 /* eir_server_impl_id array length */ + \ | |
280 | 0 /* ignored eir_server_impl_id contents */) | |
fc931582 AA |
281 | #define encode_channel_attrs_maxsz (6 + 1 /* ca_rdma_ird.len (0) */) |
282 | #define decode_channel_attrs_maxsz (6 + \ | |
283 | 1 /* ca_rdma_ird.len */ + \ | |
284 | 1 /* ca_rdma_ird */) | |
285 | #define encode_create_session_maxsz (op_encode_hdr_maxsz + \ | |
286 | 2 /* csa_clientid */ + \ | |
287 | 1 /* csa_sequence */ + \ | |
288 | 1 /* csa_flags */ + \ | |
289 | encode_channel_attrs_maxsz + \ | |
290 | encode_channel_attrs_maxsz + \ | |
291 | 1 /* csa_cb_program */ + \ | |
292 | 1 /* csa_sec_parms.len (1) */ + \ | |
293 | 1 /* cb_secflavor (AUTH_SYS) */ + \ | |
294 | 1 /* stamp */ + \ | |
295 | 1 /* machinename.len */ + \ | |
296 | XDR_QUADLEN(NFS4_MAX_MACHINE_NAME_LEN) + \ | |
297 | 1 /* uid */ + \ | |
298 | 1 /* gid */ + \ | |
299 | 1 /* gids.len (0) */) | |
300 | #define decode_create_session_maxsz (op_decode_hdr_maxsz + \ | |
301 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + \ | |
302 | 1 /* csr_sequence */ + \ | |
303 | 1 /* csr_flags */ + \ | |
304 | decode_channel_attrs_maxsz + \ | |
305 | decode_channel_attrs_maxsz) | |
0f3e66c6 AA |
306 | #define encode_destroy_session_maxsz (op_encode_hdr_maxsz + 4) |
307 | #define decode_destroy_session_maxsz (op_decode_hdr_maxsz) | |
fc01cea9 AA |
308 | #define encode_sequence_maxsz (op_encode_hdr_maxsz + \ |
309 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 4) | |
310 | #define decode_sequence_maxsz (op_decode_hdr_maxsz + \ | |
311 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 5) | |
18019753 RL |
312 | #define encode_reclaim_complete_maxsz (op_encode_hdr_maxsz + 4) |
313 | #define decode_reclaim_complete_maxsz (op_decode_hdr_maxsz + 4) | |
b1f69b75 AA |
314 | #define encode_getdeviceinfo_maxsz (op_encode_hdr_maxsz + 4 + \ |
315 | XDR_QUADLEN(NFS4_DEVICEID4_SIZE)) | |
316 | #define decode_getdeviceinfo_maxsz (op_decode_hdr_maxsz + \ | |
317 | 1 /* layout type */ + \ | |
318 | 1 /* opaque devaddr4 length */ + \ | |
319 | /* devaddr4 payload is read into page */ \ | |
320 | 1 /* notification bitmap length */ + \ | |
321 | 1 /* notification bitmap */) | |
322 | #define encode_layoutget_maxsz (op_encode_hdr_maxsz + 10 + \ | |
323 | encode_stateid_maxsz) | |
324 | #define decode_layoutget_maxsz (op_decode_hdr_maxsz + 8 + \ | |
325 | decode_stateid_maxsz + \ | |
326 | XDR_QUADLEN(PNFS_LAYOUT_MAXSIZE)) | |
9b7b9fcc AA |
327 | #else /* CONFIG_NFS_V4_1 */ |
328 | #define encode_sequence_maxsz 0 | |
329 | #define decode_sequence_maxsz 0 | |
330 | #endif /* CONFIG_NFS_V4_1 */ | |
331 | ||
1da177e4 LT |
332 | #define NFS4_enc_compound_sz (1024) /* XXX: large enough? */ |
333 | #define NFS4_dec_compound_sz (1024) /* XXX: large enough? */ | |
334 | #define NFS4_enc_read_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 335 | encode_sequence_maxsz + \ |
1da177e4 | 336 | encode_putfh_maxsz + \ |
9104a55d | 337 | encode_read_maxsz) |
1da177e4 | 338 | #define NFS4_dec_read_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 339 | decode_sequence_maxsz + \ |
1da177e4 | 340 | decode_putfh_maxsz + \ |
9104a55d | 341 | decode_read_maxsz) |
1da177e4 | 342 | #define NFS4_enc_readlink_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 343 | encode_sequence_maxsz + \ |
1da177e4 | 344 | encode_putfh_maxsz + \ |
9104a55d | 345 | encode_readlink_maxsz) |
1da177e4 | 346 | #define NFS4_dec_readlink_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 347 | decode_sequence_maxsz + \ |
1da177e4 | 348 | decode_putfh_maxsz + \ |
9104a55d | 349 | decode_readlink_maxsz) |
1da177e4 | 350 | #define NFS4_enc_readdir_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 351 | encode_sequence_maxsz + \ |
1da177e4 | 352 | encode_putfh_maxsz + \ |
9104a55d | 353 | encode_readdir_maxsz) |
1da177e4 | 354 | #define NFS4_dec_readdir_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 355 | decode_sequence_maxsz + \ |
1da177e4 | 356 | decode_putfh_maxsz + \ |
9104a55d | 357 | decode_readdir_maxsz) |
1da177e4 | 358 | #define NFS4_enc_write_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 359 | encode_sequence_maxsz + \ |
1da177e4 | 360 | encode_putfh_maxsz + \ |
9104a55d | 361 | encode_write_maxsz + \ |
4f9838c7 | 362 | encode_getattr_maxsz) |
1da177e4 | 363 | #define NFS4_dec_write_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 364 | decode_sequence_maxsz + \ |
1da177e4 | 365 | decode_putfh_maxsz + \ |
9104a55d | 366 | decode_write_maxsz + \ |
4f9838c7 | 367 | decode_getattr_maxsz) |
1da177e4 | 368 | #define NFS4_enc_commit_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 369 | encode_sequence_maxsz + \ |
1da177e4 | 370 | encode_putfh_maxsz + \ |
9104a55d | 371 | encode_commit_maxsz + \ |
4f9838c7 | 372 | encode_getattr_maxsz) |
1da177e4 | 373 | #define NFS4_dec_commit_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 374 | decode_sequence_maxsz + \ |
1da177e4 | 375 | decode_putfh_maxsz + \ |
9104a55d | 376 | decode_commit_maxsz + \ |
4f9838c7 | 377 | decode_getattr_maxsz) |
1da177e4 | 378 | #define NFS4_enc_open_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 379 | encode_sequence_maxsz + \ |
2cebf828 TM |
380 | encode_putfh_maxsz + \ |
381 | encode_savefh_maxsz + \ | |
382 | encode_open_maxsz + \ | |
383 | encode_getfh_maxsz + \ | |
384 | encode_getattr_maxsz + \ | |
385 | encode_restorefh_maxsz + \ | |
386 | encode_getattr_maxsz) | |
1da177e4 | 387 | #define NFS4_dec_open_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 388 | decode_sequence_maxsz + \ |
2cebf828 TM |
389 | decode_putfh_maxsz + \ |
390 | decode_savefh_maxsz + \ | |
391 | decode_open_maxsz + \ | |
392 | decode_getfh_maxsz + \ | |
393 | decode_getattr_maxsz + \ | |
394 | decode_restorefh_maxsz + \ | |
395 | decode_getattr_maxsz) | |
9104a55d TM |
396 | #define NFS4_enc_open_confirm_sz \ |
397 | (compound_encode_hdr_maxsz + \ | |
398 | encode_putfh_maxsz + \ | |
399 | encode_open_confirm_maxsz) | |
400 | #define NFS4_dec_open_confirm_sz \ | |
401 | (compound_decode_hdr_maxsz + \ | |
402 | decode_putfh_maxsz + \ | |
403 | decode_open_confirm_maxsz) | |
1da177e4 | 404 | #define NFS4_enc_open_noattr_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 405 | encode_sequence_maxsz + \ |
1da177e4 | 406 | encode_putfh_maxsz + \ |
2cebf828 TM |
407 | encode_open_maxsz + \ |
408 | encode_getattr_maxsz) | |
1da177e4 | 409 | #define NFS4_dec_open_noattr_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 410 | decode_sequence_maxsz + \ |
1da177e4 | 411 | decode_putfh_maxsz + \ |
2cebf828 TM |
412 | decode_open_maxsz + \ |
413 | decode_getattr_maxsz) | |
1da177e4 LT |
414 | #define NFS4_enc_open_downgrade_sz \ |
415 | (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 416 | encode_sequence_maxsz + \ |
9104a55d TM |
417 | encode_putfh_maxsz + \ |
418 | encode_open_downgrade_maxsz + \ | |
419 | encode_getattr_maxsz) | |
1da177e4 LT |
420 | #define NFS4_dec_open_downgrade_sz \ |
421 | (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 422 | decode_sequence_maxsz + \ |
9104a55d TM |
423 | decode_putfh_maxsz + \ |
424 | decode_open_downgrade_maxsz + \ | |
425 | decode_getattr_maxsz) | |
426 | #define NFS4_enc_close_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 427 | encode_sequence_maxsz + \ |
9104a55d TM |
428 | encode_putfh_maxsz + \ |
429 | encode_close_maxsz + \ | |
430 | encode_getattr_maxsz) | |
431 | #define NFS4_dec_close_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 432 | decode_sequence_maxsz + \ |
9104a55d TM |
433 | decode_putfh_maxsz + \ |
434 | decode_close_maxsz + \ | |
435 | decode_getattr_maxsz) | |
436 | #define NFS4_enc_setattr_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 437 | encode_sequence_maxsz + \ |
9104a55d TM |
438 | encode_putfh_maxsz + \ |
439 | encode_setattr_maxsz + \ | |
440 | encode_getattr_maxsz) | |
441 | #define NFS4_dec_setattr_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 442 | decode_sequence_maxsz + \ |
9104a55d TM |
443 | decode_putfh_maxsz + \ |
444 | decode_setattr_maxsz + \ | |
445 | decode_getattr_maxsz) | |
1da177e4 | 446 | #define NFS4_enc_fsinfo_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 447 | encode_sequence_maxsz + \ |
1da177e4 LT |
448 | encode_putfh_maxsz + \ |
449 | encode_fsinfo_maxsz) | |
450 | #define NFS4_dec_fsinfo_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 451 | decode_sequence_maxsz + \ |
1da177e4 LT |
452 | decode_putfh_maxsz + \ |
453 | decode_fsinfo_maxsz) | |
454 | #define NFS4_enc_renew_sz (compound_encode_hdr_maxsz + \ | |
455 | encode_renew_maxsz) | |
456 | #define NFS4_dec_renew_sz (compound_decode_hdr_maxsz + \ | |
457 | decode_renew_maxsz) | |
458 | #define NFS4_enc_setclientid_sz (compound_encode_hdr_maxsz + \ | |
459 | encode_setclientid_maxsz) | |
460 | #define NFS4_dec_setclientid_sz (compound_decode_hdr_maxsz + \ | |
461 | decode_setclientid_maxsz) | |
462 | #define NFS4_enc_setclientid_confirm_sz \ | |
463 | (compound_encode_hdr_maxsz + \ | |
464 | encode_setclientid_confirm_maxsz + \ | |
465 | encode_putrootfh_maxsz + \ | |
466 | encode_fsinfo_maxsz) | |
467 | #define NFS4_dec_setclientid_confirm_sz \ | |
468 | (compound_decode_hdr_maxsz + \ | |
469 | decode_setclientid_confirm_maxsz + \ | |
470 | decode_putrootfh_maxsz + \ | |
471 | decode_fsinfo_maxsz) | |
472 | #define NFS4_enc_lock_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 473 | encode_sequence_maxsz + \ |
1da177e4 | 474 | encode_putfh_maxsz + \ |
9104a55d | 475 | encode_lock_maxsz) |
1da177e4 | 476 | #define NFS4_dec_lock_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 477 | decode_sequence_maxsz + \ |
1da177e4 | 478 | decode_putfh_maxsz + \ |
9104a55d | 479 | decode_lock_maxsz) |
1da177e4 | 480 | #define NFS4_enc_lockt_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 481 | encode_sequence_maxsz + \ |
1da177e4 | 482 | encode_putfh_maxsz + \ |
9104a55d TM |
483 | encode_lockt_maxsz) |
484 | #define NFS4_dec_lockt_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 485 | decode_sequence_maxsz + \ |
9104a55d TM |
486 | decode_putfh_maxsz + \ |
487 | decode_lockt_maxsz) | |
1da177e4 | 488 | #define NFS4_enc_locku_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 489 | encode_sequence_maxsz + \ |
1da177e4 | 490 | encode_putfh_maxsz + \ |
9104a55d | 491 | encode_locku_maxsz) |
1da177e4 | 492 | #define NFS4_dec_locku_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 493 | decode_sequence_maxsz + \ |
1da177e4 | 494 | decode_putfh_maxsz + \ |
9104a55d | 495 | decode_locku_maxsz) |
d3c7b7cc TM |
496 | #define NFS4_enc_release_lockowner_sz \ |
497 | (compound_encode_hdr_maxsz + \ | |
498 | encode_lockowner_maxsz) | |
499 | #define NFS4_dec_release_lockowner_sz \ | |
500 | (compound_decode_hdr_maxsz + \ | |
501 | decode_lockowner_maxsz) | |
1da177e4 | 502 | #define NFS4_enc_access_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 503 | encode_sequence_maxsz + \ |
1da177e4 | 504 | encode_putfh_maxsz + \ |
76b32999 TM |
505 | encode_access_maxsz + \ |
506 | encode_getattr_maxsz) | |
1da177e4 | 507 | #define NFS4_dec_access_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 508 | decode_sequence_maxsz + \ |
1da177e4 | 509 | decode_putfh_maxsz + \ |
76b32999 TM |
510 | decode_access_maxsz + \ |
511 | decode_getattr_maxsz) | |
1da177e4 | 512 | #define NFS4_enc_getattr_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 513 | encode_sequence_maxsz + \ |
1da177e4 LT |
514 | encode_putfh_maxsz + \ |
515 | encode_getattr_maxsz) | |
516 | #define NFS4_dec_getattr_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 517 | decode_sequence_maxsz + \ |
1da177e4 LT |
518 | decode_putfh_maxsz + \ |
519 | decode_getattr_maxsz) | |
520 | #define NFS4_enc_lookup_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 521 | encode_sequence_maxsz + \ |
1da177e4 LT |
522 | encode_putfh_maxsz + \ |
523 | encode_lookup_maxsz + \ | |
524 | encode_getattr_maxsz + \ | |
525 | encode_getfh_maxsz) | |
526 | #define NFS4_dec_lookup_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 527 | decode_sequence_maxsz + \ |
1da177e4 | 528 | decode_putfh_maxsz + \ |
e6889620 | 529 | decode_lookup_maxsz + \ |
1da177e4 LT |
530 | decode_getattr_maxsz + \ |
531 | decode_getfh_maxsz) | |
532 | #define NFS4_enc_lookup_root_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 533 | encode_sequence_maxsz + \ |
1da177e4 LT |
534 | encode_putrootfh_maxsz + \ |
535 | encode_getattr_maxsz + \ | |
536 | encode_getfh_maxsz) | |
537 | #define NFS4_dec_lookup_root_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 538 | decode_sequence_maxsz + \ |
1da177e4 LT |
539 | decode_putrootfh_maxsz + \ |
540 | decode_getattr_maxsz + \ | |
541 | decode_getfh_maxsz) | |
542 | #define NFS4_enc_remove_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 543 | encode_sequence_maxsz + \ |
1da177e4 | 544 | encode_putfh_maxsz + \ |
16e42959 TM |
545 | encode_remove_maxsz + \ |
546 | encode_getattr_maxsz) | |
1da177e4 | 547 | #define NFS4_dec_remove_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 548 | decode_sequence_maxsz + \ |
1da177e4 | 549 | decode_putfh_maxsz + \ |
6ce18391 | 550 | decode_remove_maxsz + \ |
16e42959 | 551 | decode_getattr_maxsz) |
1da177e4 | 552 | #define NFS4_enc_rename_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 553 | encode_sequence_maxsz + \ |
1da177e4 LT |
554 | encode_putfh_maxsz + \ |
555 | encode_savefh_maxsz + \ | |
556 | encode_putfh_maxsz + \ | |
6caf2c82 TM |
557 | encode_rename_maxsz + \ |
558 | encode_getattr_maxsz + \ | |
559 | encode_restorefh_maxsz + \ | |
560 | encode_getattr_maxsz) | |
1da177e4 | 561 | #define NFS4_dec_rename_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 562 | decode_sequence_maxsz + \ |
1da177e4 LT |
563 | decode_putfh_maxsz + \ |
564 | decode_savefh_maxsz + \ | |
565 | decode_putfh_maxsz + \ | |
6caf2c82 TM |
566 | decode_rename_maxsz + \ |
567 | decode_getattr_maxsz + \ | |
568 | decode_restorefh_maxsz + \ | |
569 | decode_getattr_maxsz) | |
1da177e4 | 570 | #define NFS4_enc_link_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 571 | encode_sequence_maxsz + \ |
1da177e4 LT |
572 | encode_putfh_maxsz + \ |
573 | encode_savefh_maxsz + \ | |
574 | encode_putfh_maxsz + \ | |
91ba2eee TM |
575 | encode_link_maxsz + \ |
576 | decode_getattr_maxsz + \ | |
577 | encode_restorefh_maxsz + \ | |
578 | decode_getattr_maxsz) | |
1da177e4 | 579 | #define NFS4_dec_link_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 580 | decode_sequence_maxsz + \ |
1da177e4 LT |
581 | decode_putfh_maxsz + \ |
582 | decode_savefh_maxsz + \ | |
583 | decode_putfh_maxsz + \ | |
91ba2eee TM |
584 | decode_link_maxsz + \ |
585 | decode_getattr_maxsz + \ | |
586 | decode_restorefh_maxsz + \ | |
587 | decode_getattr_maxsz) | |
1da177e4 | 588 | #define NFS4_enc_symlink_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 589 | encode_sequence_maxsz + \ |
1da177e4 LT |
590 | encode_putfh_maxsz + \ |
591 | encode_symlink_maxsz + \ | |
592 | encode_getattr_maxsz + \ | |
593 | encode_getfh_maxsz) | |
594 | #define NFS4_dec_symlink_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 595 | decode_sequence_maxsz + \ |
1da177e4 LT |
596 | decode_putfh_maxsz + \ |
597 | decode_symlink_maxsz + \ | |
598 | decode_getattr_maxsz + \ | |
599 | decode_getfh_maxsz) | |
600 | #define NFS4_enc_create_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 601 | encode_sequence_maxsz + \ |
1da177e4 | 602 | encode_putfh_maxsz + \ |
56ae19f3 | 603 | encode_savefh_maxsz + \ |
1da177e4 | 604 | encode_create_maxsz + \ |
56ae19f3 | 605 | encode_getfh_maxsz + \ |
1da177e4 | 606 | encode_getattr_maxsz + \ |
56ae19f3 TM |
607 | encode_restorefh_maxsz + \ |
608 | encode_getattr_maxsz) | |
1da177e4 | 609 | #define NFS4_dec_create_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 610 | decode_sequence_maxsz + \ |
1da177e4 | 611 | decode_putfh_maxsz + \ |
56ae19f3 | 612 | decode_savefh_maxsz + \ |
1da177e4 | 613 | decode_create_maxsz + \ |
56ae19f3 | 614 | decode_getfh_maxsz + \ |
1da177e4 | 615 | decode_getattr_maxsz + \ |
56ae19f3 TM |
616 | decode_restorefh_maxsz + \ |
617 | decode_getattr_maxsz) | |
1da177e4 | 618 | #define NFS4_enc_pathconf_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 619 | encode_sequence_maxsz + \ |
1da177e4 LT |
620 | encode_putfh_maxsz + \ |
621 | encode_getattr_maxsz) | |
622 | #define NFS4_dec_pathconf_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 623 | decode_sequence_maxsz + \ |
1da177e4 LT |
624 | decode_putfh_maxsz + \ |
625 | decode_getattr_maxsz) | |
626 | #define NFS4_enc_statfs_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 627 | encode_sequence_maxsz + \ |
1da177e4 | 628 | encode_putfh_maxsz + \ |
9104a55d | 629 | encode_statfs_maxsz) |
1da177e4 | 630 | #define NFS4_dec_statfs_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 631 | decode_sequence_maxsz + \ |
1da177e4 | 632 | decode_putfh_maxsz + \ |
9104a55d | 633 | decode_statfs_maxsz) |
1da177e4 | 634 | #define NFS4_enc_server_caps_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 635 | encode_sequence_maxsz + \ |
ab91f264 | 636 | encode_putfh_maxsz + \ |
1da177e4 LT |
637 | encode_getattr_maxsz) |
638 | #define NFS4_dec_server_caps_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 639 | decode_sequence_maxsz + \ |
ab91f264 | 640 | decode_putfh_maxsz + \ |
1da177e4 LT |
641 | decode_getattr_maxsz) |
642 | #define NFS4_enc_delegreturn_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 643 | encode_sequence_maxsz + \ |
1da177e4 | 644 | encode_putfh_maxsz + \ |
fa178f29 TM |
645 | encode_delegreturn_maxsz + \ |
646 | encode_getattr_maxsz) | |
1da177e4 | 647 | #define NFS4_dec_delegreturn_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 648 | decode_sequence_maxsz + \ |
fa178f29 TM |
649 | decode_delegreturn_maxsz + \ |
650 | decode_getattr_maxsz) | |
029d105e | 651 | #define NFS4_enc_getacl_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 652 | encode_sequence_maxsz + \ |
029d105e | 653 | encode_putfh_maxsz + \ |
9104a55d | 654 | encode_getacl_maxsz) |
029d105e | 655 | #define NFS4_dec_getacl_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 656 | decode_sequence_maxsz + \ |
029d105e | 657 | decode_putfh_maxsz + \ |
9104a55d | 658 | decode_getacl_maxsz) |
23ec6965 | 659 | #define NFS4_enc_setacl_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 660 | encode_sequence_maxsz + \ |
23ec6965 | 661 | encode_putfh_maxsz + \ |
9104a55d | 662 | encode_setacl_maxsz) |
23ec6965 | 663 | #define NFS4_dec_setacl_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 664 | decode_sequence_maxsz + \ |
23ec6965 | 665 | decode_putfh_maxsz + \ |
9104a55d | 666 | decode_setacl_maxsz) |
683b57b4 TM |
667 | #define NFS4_enc_fs_locations_sz \ |
668 | (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 669 | encode_sequence_maxsz + \ |
683b57b4 | 670 | encode_putfh_maxsz + \ |
e6889620 TM |
671 | encode_lookup_maxsz + \ |
672 | encode_fs_locations_maxsz) | |
683b57b4 TM |
673 | #define NFS4_dec_fs_locations_sz \ |
674 | (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 675 | decode_sequence_maxsz + \ |
683b57b4 | 676 | decode_putfh_maxsz + \ |
e6889620 TM |
677 | decode_lookup_maxsz + \ |
678 | decode_fs_locations_maxsz) | |
99fe60d0 BH |
679 | #if defined(CONFIG_NFS_V4_1) |
680 | #define NFS4_enc_exchange_id_sz \ | |
681 | (compound_encode_hdr_maxsz + \ | |
682 | encode_exchange_id_maxsz) | |
683 | #define NFS4_dec_exchange_id_sz \ | |
684 | (compound_decode_hdr_maxsz + \ | |
685 | decode_exchange_id_maxsz) | |
fc931582 AA |
686 | #define NFS4_enc_create_session_sz \ |
687 | (compound_encode_hdr_maxsz + \ | |
688 | encode_create_session_maxsz) | |
689 | #define NFS4_dec_create_session_sz \ | |
690 | (compound_decode_hdr_maxsz + \ | |
691 | decode_create_session_maxsz) | |
0f3e66c6 AA |
692 | #define NFS4_enc_destroy_session_sz (compound_encode_hdr_maxsz + \ |
693 | encode_destroy_session_maxsz) | |
694 | #define NFS4_dec_destroy_session_sz (compound_decode_hdr_maxsz + \ | |
695 | decode_destroy_session_maxsz) | |
fc01cea9 AA |
696 | #define NFS4_enc_sequence_sz \ |
697 | (compound_decode_hdr_maxsz + \ | |
698 | encode_sequence_maxsz) | |
699 | #define NFS4_dec_sequence_sz \ | |
700 | (compound_decode_hdr_maxsz + \ | |
701 | decode_sequence_maxsz) | |
2050f0cc AA |
702 | #define NFS4_enc_get_lease_time_sz (compound_encode_hdr_maxsz + \ |
703 | encode_sequence_maxsz + \ | |
704 | encode_putrootfh_maxsz + \ | |
705 | encode_fsinfo_maxsz) | |
706 | #define NFS4_dec_get_lease_time_sz (compound_decode_hdr_maxsz + \ | |
707 | decode_sequence_maxsz + \ | |
708 | decode_putrootfh_maxsz + \ | |
709 | decode_fsinfo_maxsz) | |
18019753 RL |
710 | #define NFS4_enc_reclaim_complete_sz (compound_encode_hdr_maxsz + \ |
711 | encode_sequence_maxsz + \ | |
712 | encode_reclaim_complete_maxsz) | |
713 | #define NFS4_dec_reclaim_complete_sz (compound_decode_hdr_maxsz + \ | |
714 | decode_sequence_maxsz + \ | |
715 | decode_reclaim_complete_maxsz) | |
b1f69b75 AA |
716 | #define NFS4_enc_getdeviceinfo_sz (compound_encode_hdr_maxsz + \ |
717 | encode_sequence_maxsz +\ | |
718 | encode_getdeviceinfo_maxsz) | |
719 | #define NFS4_dec_getdeviceinfo_sz (compound_decode_hdr_maxsz + \ | |
720 | decode_sequence_maxsz + \ | |
721 | decode_getdeviceinfo_maxsz) | |
722 | #define NFS4_enc_layoutget_sz (compound_encode_hdr_maxsz + \ | |
723 | encode_sequence_maxsz + \ | |
724 | encode_putfh_maxsz + \ | |
725 | encode_layoutget_maxsz) | |
726 | #define NFS4_dec_layoutget_sz (compound_decode_hdr_maxsz + \ | |
727 | decode_sequence_maxsz + \ | |
728 | decode_putfh_maxsz + \ | |
729 | decode_layoutget_maxsz) | |
2449ea2e AB |
730 | |
731 | const u32 nfs41_maxwrite_overhead = ((RPC_MAX_HEADER_WITH_AUTH + | |
732 | compound_encode_hdr_maxsz + | |
733 | encode_sequence_maxsz + | |
734 | encode_putfh_maxsz + | |
735 | encode_getattr_maxsz) * | |
736 | XDR_UNIT); | |
737 | ||
738 | const u32 nfs41_maxread_overhead = ((RPC_MAX_HEADER_WITH_AUTH + | |
739 | compound_decode_hdr_maxsz + | |
740 | decode_sequence_maxsz + | |
741 | decode_putfh_maxsz) * | |
742 | XDR_UNIT); | |
99fe60d0 | 743 | #endif /* CONFIG_NFS_V4_1 */ |
1da177e4 | 744 | |
bca79478 TM |
745 | static const umode_t nfs_type2fmt[] = { |
746 | [NF4BAD] = 0, | |
747 | [NF4REG] = S_IFREG, | |
748 | [NF4DIR] = S_IFDIR, | |
749 | [NF4BLK] = S_IFBLK, | |
750 | [NF4CHR] = S_IFCHR, | |
751 | [NF4LNK] = S_IFLNK, | |
752 | [NF4SOCK] = S_IFSOCK, | |
753 | [NF4FIFO] = S_IFIFO, | |
754 | [NF4ATTRDIR] = 0, | |
755 | [NF4NAMEDATTR] = 0, | |
1da177e4 LT |
756 | }; |
757 | ||
758 | struct compound_hdr { | |
759 | int32_t status; | |
760 | uint32_t nops; | |
d017931c | 761 | __be32 * nops_p; |
1da177e4 LT |
762 | uint32_t taglen; |
763 | char * tag; | |
0c4e8c18 | 764 | uint32_t replen; /* expected reply words */ |
66cc0429 | 765 | u32 minorversion; |
1da177e4 LT |
766 | }; |
767 | ||
13c65ce9 BH |
768 | static __be32 *reserve_space(struct xdr_stream *xdr, size_t nbytes) |
769 | { | |
770 | __be32 *p = xdr_reserve_space(xdr, nbytes); | |
771 | BUG_ON(!p); | |
772 | return p; | |
773 | } | |
1da177e4 LT |
774 | |
775 | static void encode_string(struct xdr_stream *xdr, unsigned int len, const char *str) | |
776 | { | |
8687b63a | 777 | __be32 *p; |
1da177e4 LT |
778 | |
779 | p = xdr_reserve_space(xdr, 4 + len); | |
780 | BUG_ON(p == NULL); | |
781 | xdr_encode_opaque(p, str, len); | |
782 | } | |
783 | ||
0c4e8c18 BH |
784 | static void encode_compound_hdr(struct xdr_stream *xdr, |
785 | struct rpc_rqst *req, | |
786 | struct compound_hdr *hdr) | |
1da177e4 | 787 | { |
8687b63a | 788 | __be32 *p; |
a17c2153 | 789 | struct rpc_auth *auth = req->rq_cred->cr_auth; |
0c4e8c18 BH |
790 | |
791 | /* initialize running count of expected bytes in reply. | |
792 | * NOTE: the replied tag SHOULD be the same is the one sent, | |
793 | * but this is not required as a MUST for the server to do so. */ | |
794 | hdr->replen = RPC_REPHDRSIZE + auth->au_rslack + 3 + hdr->taglen; | |
1da177e4 LT |
795 | |
796 | dprintk("encode_compound: tag=%.*s\n", (int)hdr->taglen, hdr->tag); | |
797 | BUG_ON(hdr->taglen > NFS4_MAXTAGLEN); | |
811652bd BH |
798 | p = reserve_space(xdr, 4 + hdr->taglen + 8); |
799 | p = xdr_encode_opaque(p, hdr->tag, hdr->taglen); | |
e75bc1c8 | 800 | *p++ = cpu_to_be32(hdr->minorversion); |
d017931c | 801 | hdr->nops_p = p; |
34558513 | 802 | *p = cpu_to_be32(hdr->nops); |
d017931c AA |
803 | } |
804 | ||
805 | static void encode_nops(struct compound_hdr *hdr) | |
806 | { | |
fc931582 | 807 | BUG_ON(hdr->nops > NFS4_MAX_OPS); |
d017931c | 808 | *hdr->nops_p = htonl(hdr->nops); |
1da177e4 LT |
809 | } |
810 | ||
811 | static void encode_nfs4_verifier(struct xdr_stream *xdr, const nfs4_verifier *verf) | |
812 | { | |
8687b63a | 813 | __be32 *p; |
1da177e4 LT |
814 | |
815 | p = xdr_reserve_space(xdr, NFS4_VERIFIER_SIZE); | |
816 | BUG_ON(p == NULL); | |
817 | xdr_encode_opaque_fixed(p, verf->data, NFS4_VERIFIER_SIZE); | |
818 | } | |
819 | ||
cf8cdbe5 | 820 | static void encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const struct nfs_server *server) |
1da177e4 LT |
821 | { |
822 | char owner_name[IDMAP_NAMESZ]; | |
823 | char owner_group[IDMAP_NAMESZ]; | |
824 | int owner_namelen = 0; | |
825 | int owner_grouplen = 0; | |
8687b63a AV |
826 | __be32 *p; |
827 | __be32 *q; | |
1da177e4 LT |
828 | int len; |
829 | uint32_t bmval0 = 0; | |
830 | uint32_t bmval1 = 0; | |
1da177e4 LT |
831 | |
832 | /* | |
833 | * We reserve enough space to write the entire attribute buffer at once. | |
834 | * In the worst-case, this would be | |
835 | * 12(bitmap) + 4(attrlen) + 8(size) + 4(mode) + 4(atime) + 4(mtime) | |
836 | * = 36 bytes, plus any contribution from variable-length fields | |
23ec6965 | 837 | * such as owner/group. |
1da177e4 LT |
838 | */ |
839 | len = 16; | |
840 | ||
841 | /* Sigh */ | |
842 | if (iap->ia_valid & ATTR_SIZE) | |
843 | len += 8; | |
844 | if (iap->ia_valid & ATTR_MODE) | |
845 | len += 4; | |
846 | if (iap->ia_valid & ATTR_UID) { | |
955a857e | 847 | owner_namelen = nfs_map_uid_to_name(server->nfs_client, iap->ia_uid, owner_name, IDMAP_NAMESZ); |
1da177e4 | 848 | if (owner_namelen < 0) { |
fe82a183 CL |
849 | dprintk("nfs: couldn't resolve uid %d to string\n", |
850 | iap->ia_uid); | |
1da177e4 LT |
851 | /* XXX */ |
852 | strcpy(owner_name, "nobody"); | |
853 | owner_namelen = sizeof("nobody") - 1; | |
854 | /* goto out; */ | |
855 | } | |
856 | len += 4 + (XDR_QUADLEN(owner_namelen) << 2); | |
857 | } | |
858 | if (iap->ia_valid & ATTR_GID) { | |
955a857e | 859 | owner_grouplen = nfs_map_gid_to_group(server->nfs_client, iap->ia_gid, owner_group, IDMAP_NAMESZ); |
1da177e4 | 860 | if (owner_grouplen < 0) { |
fe82a183 CL |
861 | dprintk("nfs: couldn't resolve gid %d to string\n", |
862 | iap->ia_gid); | |
1da177e4 LT |
863 | strcpy(owner_group, "nobody"); |
864 | owner_grouplen = sizeof("nobody") - 1; | |
865 | /* goto out; */ | |
866 | } | |
867 | len += 4 + (XDR_QUADLEN(owner_grouplen) << 2); | |
868 | } | |
869 | if (iap->ia_valid & ATTR_ATIME_SET) | |
870 | len += 16; | |
871 | else if (iap->ia_valid & ATTR_ATIME) | |
872 | len += 4; | |
873 | if (iap->ia_valid & ATTR_MTIME_SET) | |
874 | len += 16; | |
875 | else if (iap->ia_valid & ATTR_MTIME) | |
876 | len += 4; | |
13c65ce9 | 877 | p = reserve_space(xdr, len); |
1da177e4 LT |
878 | |
879 | /* | |
880 | * We write the bitmap length now, but leave the bitmap and the attribute | |
881 | * buffer length to be backfilled at the end of this routine. | |
882 | */ | |
e75bc1c8 | 883 | *p++ = cpu_to_be32(2); |
1da177e4 LT |
884 | q = p; |
885 | p += 3; | |
886 | ||
887 | if (iap->ia_valid & ATTR_SIZE) { | |
888 | bmval0 |= FATTR4_WORD0_SIZE; | |
b95be5a9 | 889 | p = xdr_encode_hyper(p, iap->ia_size); |
1da177e4 LT |
890 | } |
891 | if (iap->ia_valid & ATTR_MODE) { | |
892 | bmval1 |= FATTR4_WORD1_MODE; | |
e75bc1c8 | 893 | *p++ = cpu_to_be32(iap->ia_mode & S_IALLUGO); |
1da177e4 LT |
894 | } |
895 | if (iap->ia_valid & ATTR_UID) { | |
896 | bmval1 |= FATTR4_WORD1_OWNER; | |
811652bd | 897 | p = xdr_encode_opaque(p, owner_name, owner_namelen); |
1da177e4 LT |
898 | } |
899 | if (iap->ia_valid & ATTR_GID) { | |
900 | bmval1 |= FATTR4_WORD1_OWNER_GROUP; | |
811652bd | 901 | p = xdr_encode_opaque(p, owner_group, owner_grouplen); |
1da177e4 LT |
902 | } |
903 | if (iap->ia_valid & ATTR_ATIME_SET) { | |
904 | bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET; | |
e75bc1c8 BH |
905 | *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); |
906 | *p++ = cpu_to_be32(0); | |
d3f6baaa TM |
907 | *p++ = cpu_to_be32(iap->ia_atime.tv_sec); |
908 | *p++ = cpu_to_be32(iap->ia_atime.tv_nsec); | |
1da177e4 LT |
909 | } |
910 | else if (iap->ia_valid & ATTR_ATIME) { | |
911 | bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET; | |
e75bc1c8 | 912 | *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); |
1da177e4 LT |
913 | } |
914 | if (iap->ia_valid & ATTR_MTIME_SET) { | |
915 | bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET; | |
e75bc1c8 BH |
916 | *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); |
917 | *p++ = cpu_to_be32(0); | |
918 | *p++ = cpu_to_be32(iap->ia_mtime.tv_sec); | |
919 | *p++ = cpu_to_be32(iap->ia_mtime.tv_nsec); | |
1da177e4 LT |
920 | } |
921 | else if (iap->ia_valid & ATTR_MTIME) { | |
922 | bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET; | |
e75bc1c8 | 923 | *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); |
1da177e4 | 924 | } |
6c0195a4 | 925 | |
1da177e4 LT |
926 | /* |
927 | * Now we backfill the bitmap and the attribute buffer length. | |
928 | */ | |
929 | if (len != ((char *)p - (char *)q) + 4) { | |
fe82a183 | 930 | printk(KERN_ERR "nfs: Attr length error, %u != %Zu\n", |
1da177e4 LT |
931 | len, ((char *)p - (char *)q) + 4); |
932 | BUG(); | |
933 | } | |
934 | len = (char *)p - (char *)q - 12; | |
935 | *q++ = htonl(bmval0); | |
936 | *q++ = htonl(bmval1); | |
34558513 | 937 | *q = htonl(len); |
1da177e4 | 938 | |
1da177e4 | 939 | /* out: */ |
1da177e4 LT |
940 | } |
941 | ||
cf8cdbe5 | 942 | static void encode_access(struct xdr_stream *xdr, u32 access, struct compound_hdr *hdr) |
1da177e4 | 943 | { |
8687b63a | 944 | __be32 *p; |
1da177e4 | 945 | |
13c65ce9 | 946 | p = reserve_space(xdr, 8); |
e75bc1c8 | 947 | *p++ = cpu_to_be32(OP_ACCESS); |
34558513 | 948 | *p = cpu_to_be32(access); |
d017931c | 949 | hdr->nops++; |
dadf0c27 | 950 | hdr->replen += decode_access_maxsz; |
1da177e4 LT |
951 | } |
952 | ||
cf8cdbe5 | 953 | static void encode_close(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) |
1da177e4 | 954 | { |
8687b63a | 955 | __be32 *p; |
1da177e4 | 956 | |
13c65ce9 | 957 | p = reserve_space(xdr, 8+NFS4_STATEID_SIZE); |
e75bc1c8 BH |
958 | *p++ = cpu_to_be32(OP_CLOSE); |
959 | *p++ = cpu_to_be32(arg->seqid->sequence->counter); | |
34558513 | 960 | xdr_encode_opaque_fixed(p, arg->stateid->data, NFS4_STATEID_SIZE); |
d017931c | 961 | hdr->nops++; |
dadf0c27 | 962 | hdr->replen += decode_close_maxsz; |
1da177e4 LT |
963 | } |
964 | ||
cf8cdbe5 | 965 | static void encode_commit(struct xdr_stream *xdr, const struct nfs_writeargs *args, struct compound_hdr *hdr) |
1da177e4 | 966 | { |
8687b63a | 967 | __be32 *p; |
6c0195a4 | 968 | |
13c65ce9 | 969 | p = reserve_space(xdr, 16); |
e75bc1c8 | 970 | *p++ = cpu_to_be32(OP_COMMIT); |
b95be5a9 | 971 | p = xdr_encode_hyper(p, args->offset); |
34558513 | 972 | *p = cpu_to_be32(args->count); |
d017931c | 973 | hdr->nops++; |
dadf0c27 | 974 | hdr->replen += decode_commit_maxsz; |
1da177e4 LT |
975 | } |
976 | ||
cf8cdbe5 | 977 | static void encode_create(struct xdr_stream *xdr, const struct nfs4_create_arg *create, struct compound_hdr *hdr) |
1da177e4 | 978 | { |
8687b63a | 979 | __be32 *p; |
6c0195a4 | 980 | |
13c65ce9 | 981 | p = reserve_space(xdr, 8); |
e75bc1c8 | 982 | *p++ = cpu_to_be32(OP_CREATE); |
34558513 | 983 | *p = cpu_to_be32(create->ftype); |
1da177e4 LT |
984 | |
985 | switch (create->ftype) { | |
986 | case NF4LNK: | |
13c65ce9 | 987 | p = reserve_space(xdr, 4); |
34558513 | 988 | *p = cpu_to_be32(create->u.symlink.len); |
94a6d753 | 989 | xdr_write_pages(xdr, create->u.symlink.pages, 0, create->u.symlink.len); |
1da177e4 LT |
990 | break; |
991 | ||
992 | case NF4BLK: case NF4CHR: | |
13c65ce9 | 993 | p = reserve_space(xdr, 8); |
e75bc1c8 | 994 | *p++ = cpu_to_be32(create->u.device.specdata1); |
34558513 | 995 | *p = cpu_to_be32(create->u.device.specdata2); |
1da177e4 LT |
996 | break; |
997 | ||
998 | default: | |
999 | break; | |
1000 | } | |
1001 | ||
811652bd | 1002 | encode_string(xdr, create->name->len, create->name->name); |
d017931c | 1003 | hdr->nops++; |
dadf0c27 | 1004 | hdr->replen += decode_create_maxsz; |
1da177e4 | 1005 | |
cf8cdbe5 | 1006 | encode_attrs(xdr, create->attrs, create->server); |
1da177e4 LT |
1007 | } |
1008 | ||
cf8cdbe5 | 1009 | static void encode_getattr_one(struct xdr_stream *xdr, uint32_t bitmap, struct compound_hdr *hdr) |
1da177e4 | 1010 | { |
05d564fe | 1011 | __be32 *p; |
1da177e4 | 1012 | |
13c65ce9 | 1013 | p = reserve_space(xdr, 12); |
e75bc1c8 BH |
1014 | *p++ = cpu_to_be32(OP_GETATTR); |
1015 | *p++ = cpu_to_be32(1); | |
34558513 | 1016 | *p = cpu_to_be32(bitmap); |
d017931c | 1017 | hdr->nops++; |
dadf0c27 | 1018 | hdr->replen += decode_getattr_maxsz; |
1da177e4 LT |
1019 | } |
1020 | ||
cf8cdbe5 | 1021 | static void encode_getattr_two(struct xdr_stream *xdr, uint32_t bm0, uint32_t bm1, struct compound_hdr *hdr) |
1da177e4 | 1022 | { |
05d564fe | 1023 | __be32 *p; |
1da177e4 | 1024 | |
13c65ce9 | 1025 | p = reserve_space(xdr, 16); |
e75bc1c8 BH |
1026 | *p++ = cpu_to_be32(OP_GETATTR); |
1027 | *p++ = cpu_to_be32(2); | |
1028 | *p++ = cpu_to_be32(bm0); | |
34558513 | 1029 | *p = cpu_to_be32(bm1); |
d017931c | 1030 | hdr->nops++; |
dadf0c27 | 1031 | hdr->replen += decode_getattr_maxsz; |
1da177e4 LT |
1032 | } |
1033 | ||
cf8cdbe5 | 1034 | static void encode_getfattr(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
1da177e4 | 1035 | { |
cf8cdbe5 AA |
1036 | encode_getattr_two(xdr, bitmask[0] & nfs4_fattr_bitmap[0], |
1037 | bitmask[1] & nfs4_fattr_bitmap[1], hdr); | |
1da177e4 LT |
1038 | } |
1039 | ||
cf8cdbe5 | 1040 | static void encode_fsinfo(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
1da177e4 | 1041 | { |
cf8cdbe5 AA |
1042 | encode_getattr_two(xdr, bitmask[0] & nfs4_fsinfo_bitmap[0], |
1043 | bitmask[1] & nfs4_fsinfo_bitmap[1], hdr); | |
1da177e4 LT |
1044 | } |
1045 | ||
cf8cdbe5 | 1046 | static void encode_fs_locations(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
830b8e33 | 1047 | { |
cf8cdbe5 AA |
1048 | encode_getattr_two(xdr, bitmask[0] & nfs4_fs_locations_bitmap[0], |
1049 | bitmask[1] & nfs4_fs_locations_bitmap[1], hdr); | |
830b8e33 MN |
1050 | } |
1051 | ||
cf8cdbe5 | 1052 | static void encode_getfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1053 | { |
8687b63a | 1054 | __be32 *p; |
1da177e4 | 1055 | |
13c65ce9 | 1056 | p = reserve_space(xdr, 4); |
34558513 | 1057 | *p = cpu_to_be32(OP_GETFH); |
d017931c | 1058 | hdr->nops++; |
dadf0c27 | 1059 | hdr->replen += decode_getfh_maxsz; |
1da177e4 LT |
1060 | } |
1061 | ||
cf8cdbe5 | 1062 | static void encode_link(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1063 | { |
8687b63a | 1064 | __be32 *p; |
1da177e4 | 1065 | |
13c65ce9 | 1066 | p = reserve_space(xdr, 8 + name->len); |
e75bc1c8 | 1067 | *p++ = cpu_to_be32(OP_LINK); |
811652bd | 1068 | xdr_encode_opaque(p, name->name, name->len); |
d017931c | 1069 | hdr->nops++; |
dadf0c27 | 1070 | hdr->replen += decode_link_maxsz; |
1da177e4 LT |
1071 | } |
1072 | ||
911d1aaf TM |
1073 | static inline int nfs4_lock_type(struct file_lock *fl, int block) |
1074 | { | |
1075 | if ((fl->fl_type & (F_RDLCK|F_WRLCK|F_UNLCK)) == F_RDLCK) | |
1076 | return block ? NFS4_READW_LT : NFS4_READ_LT; | |
1077 | return block ? NFS4_WRITEW_LT : NFS4_WRITE_LT; | |
1078 | } | |
1079 | ||
1080 | static inline uint64_t nfs4_lock_length(struct file_lock *fl) | |
1081 | { | |
1082 | if (fl->fl_end == OFFSET_MAX) | |
1083 | return ~(uint64_t)0; | |
1084 | return fl->fl_end - fl->fl_start + 1; | |
1085 | } | |
1086 | ||
daccbded TM |
1087 | static void encode_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner) |
1088 | { | |
1089 | __be32 *p; | |
1090 | ||
1091 | p = reserve_space(xdr, 28); | |
1092 | p = xdr_encode_hyper(p, lowner->clientid); | |
1093 | *p++ = cpu_to_be32(16); | |
1094 | p = xdr_encode_opaque_fixed(p, "lock id:", 8); | |
1095 | xdr_encode_hyper(p, lowner->id); | |
1096 | } | |
1097 | ||
1da177e4 LT |
1098 | /* |
1099 | * opcode,type,reclaim,offset,length,new_lock_owner = 32 | |
1100 | * open_seqid,open_stateid,lock_seqid,lock_owner.clientid, lock_owner.id = 40 | |
1101 | */ | |
cf8cdbe5 | 1102 | static void encode_lock(struct xdr_stream *xdr, const struct nfs_lock_args *args, struct compound_hdr *hdr) |
1da177e4 | 1103 | { |
8687b63a | 1104 | __be32 *p; |
1da177e4 | 1105 | |
13c65ce9 | 1106 | p = reserve_space(xdr, 32); |
e75bc1c8 BH |
1107 | *p++ = cpu_to_be32(OP_LOCK); |
1108 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, args->block)); | |
1109 | *p++ = cpu_to_be32(args->reclaim); | |
b95be5a9 BH |
1110 | p = xdr_encode_hyper(p, args->fl->fl_start); |
1111 | p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); | |
34558513 | 1112 | *p = cpu_to_be32(args->new_lock_owner); |
911d1aaf | 1113 | if (args->new_lock_owner){ |
daccbded | 1114 | p = reserve_space(xdr, 4+NFS4_STATEID_SIZE+4); |
e75bc1c8 | 1115 | *p++ = cpu_to_be32(args->open_seqid->sequence->counter); |
93f0cf25 | 1116 | p = xdr_encode_opaque_fixed(p, args->open_stateid->data, NFS4_STATEID_SIZE); |
e75bc1c8 | 1117 | *p++ = cpu_to_be32(args->lock_seqid->sequence->counter); |
daccbded | 1118 | encode_lockowner(xdr, &args->lock_owner); |
1da177e4 LT |
1119 | } |
1120 | else { | |
13c65ce9 | 1121 | p = reserve_space(xdr, NFS4_STATEID_SIZE+4); |
93f0cf25 | 1122 | p = xdr_encode_opaque_fixed(p, args->lock_stateid->data, NFS4_STATEID_SIZE); |
34558513 | 1123 | *p = cpu_to_be32(args->lock_seqid->sequence->counter); |
1da177e4 | 1124 | } |
d017931c | 1125 | hdr->nops++; |
dadf0c27 | 1126 | hdr->replen += decode_lock_maxsz; |
1da177e4 LT |
1127 | } |
1128 | ||
cf8cdbe5 | 1129 | static void encode_lockt(struct xdr_stream *xdr, const struct nfs_lockt_args *args, struct compound_hdr *hdr) |
1da177e4 | 1130 | { |
8687b63a | 1131 | __be32 *p; |
1da177e4 | 1132 | |
daccbded | 1133 | p = reserve_space(xdr, 24); |
e75bc1c8 BH |
1134 | *p++ = cpu_to_be32(OP_LOCKT); |
1135 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, 0)); | |
b95be5a9 BH |
1136 | p = xdr_encode_hyper(p, args->fl->fl_start); |
1137 | p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); | |
daccbded | 1138 | encode_lockowner(xdr, &args->lock_owner); |
d017931c | 1139 | hdr->nops++; |
dadf0c27 | 1140 | hdr->replen += decode_lockt_maxsz; |
1da177e4 LT |
1141 | } |
1142 | ||
cf8cdbe5 | 1143 | static void encode_locku(struct xdr_stream *xdr, const struct nfs_locku_args *args, struct compound_hdr *hdr) |
1da177e4 | 1144 | { |
8687b63a | 1145 | __be32 *p; |
1da177e4 | 1146 | |
13c65ce9 | 1147 | p = reserve_space(xdr, 12+NFS4_STATEID_SIZE+16); |
e75bc1c8 BH |
1148 | *p++ = cpu_to_be32(OP_LOCKU); |
1149 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, 0)); | |
1150 | *p++ = cpu_to_be32(args->seqid->sequence->counter); | |
93f0cf25 | 1151 | p = xdr_encode_opaque_fixed(p, args->stateid->data, NFS4_STATEID_SIZE); |
b95be5a9 | 1152 | p = xdr_encode_hyper(p, args->fl->fl_start); |
34558513 | 1153 | xdr_encode_hyper(p, nfs4_lock_length(args->fl)); |
d017931c | 1154 | hdr->nops++; |
dadf0c27 | 1155 | hdr->replen += decode_locku_maxsz; |
1da177e4 LT |
1156 | } |
1157 | ||
d3c7b7cc TM |
1158 | static void encode_release_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner, struct compound_hdr *hdr) |
1159 | { | |
1160 | __be32 *p; | |
1161 | ||
1162 | p = reserve_space(xdr, 4); | |
1163 | *p = cpu_to_be32(OP_RELEASE_LOCKOWNER); | |
1164 | encode_lockowner(xdr, lowner); | |
1165 | hdr->nops++; | |
1166 | hdr->replen += decode_release_lockowner_maxsz; | |
1167 | } | |
1168 | ||
cf8cdbe5 | 1169 | static void encode_lookup(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 LT |
1170 | { |
1171 | int len = name->len; | |
8687b63a | 1172 | __be32 *p; |
1da177e4 | 1173 | |
13c65ce9 | 1174 | p = reserve_space(xdr, 8 + len); |
e75bc1c8 | 1175 | *p++ = cpu_to_be32(OP_LOOKUP); |
811652bd | 1176 | xdr_encode_opaque(p, name->name, len); |
d017931c | 1177 | hdr->nops++; |
dadf0c27 | 1178 | hdr->replen += decode_lookup_maxsz; |
1da177e4 LT |
1179 | } |
1180 | ||
dc0b027d | 1181 | static void encode_share_access(struct xdr_stream *xdr, fmode_t fmode) |
1da177e4 | 1182 | { |
8687b63a | 1183 | __be32 *p; |
1da177e4 | 1184 | |
13c65ce9 | 1185 | p = reserve_space(xdr, 8); |
dc0b027d | 1186 | switch (fmode & (FMODE_READ|FMODE_WRITE)) { |
05d564fe | 1187 | case FMODE_READ: |
e75bc1c8 | 1188 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_READ); |
05d564fe AA |
1189 | break; |
1190 | case FMODE_WRITE: | |
e75bc1c8 | 1191 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_WRITE); |
05d564fe AA |
1192 | break; |
1193 | case FMODE_READ|FMODE_WRITE: | |
e75bc1c8 | 1194 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_BOTH); |
05d564fe AA |
1195 | break; |
1196 | default: | |
e75bc1c8 | 1197 | *p++ = cpu_to_be32(0); |
1da177e4 | 1198 | } |
34558513 | 1199 | *p = cpu_to_be32(0); /* for linux, share_deny = 0 always */ |
1da177e4 LT |
1200 | } |
1201 | ||
1202 | static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1203 | { | |
8687b63a | 1204 | __be32 *p; |
1da177e4 LT |
1205 | /* |
1206 | * opcode 4, seqid 4, share_access 4, share_deny 4, clientid 8, ownerlen 4, | |
1207 | * owner 4 = 32 | |
1208 | */ | |
13c65ce9 | 1209 | p = reserve_space(xdr, 8); |
e75bc1c8 | 1210 | *p++ = cpu_to_be32(OP_OPEN); |
34558513 | 1211 | *p = cpu_to_be32(arg->seqid->sequence->counter); |
dc0b027d | 1212 | encode_share_access(xdr, arg->fmode); |
13c65ce9 | 1213 | p = reserve_space(xdr, 28); |
b95be5a9 | 1214 | p = xdr_encode_hyper(p, arg->clientid); |
e75bc1c8 | 1215 | *p++ = cpu_to_be32(16); |
93f0cf25 | 1216 | p = xdr_encode_opaque_fixed(p, "open id:", 8); |
34558513 | 1217 | xdr_encode_hyper(p, arg->id); |
1da177e4 LT |
1218 | } |
1219 | ||
1220 | static inline void encode_createmode(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1221 | { | |
8687b63a | 1222 | __be32 *p; |
4882ef72 | 1223 | struct nfs_client *clp; |
1da177e4 | 1224 | |
13c65ce9 | 1225 | p = reserve_space(xdr, 4); |
1da177e4 | 1226 | switch(arg->open_flags & O_EXCL) { |
05d564fe | 1227 | case 0: |
34558513 | 1228 | *p = cpu_to_be32(NFS4_CREATE_UNCHECKED); |
05d564fe AA |
1229 | encode_attrs(xdr, arg->u.attrs, arg->server); |
1230 | break; | |
1231 | default: | |
4882ef72 | 1232 | clp = arg->server->nfs_client; |
a4432345 | 1233 | if (clp->cl_mvops->minor_version > 0) { |
4882ef72 AB |
1234 | if (nfs4_has_persistent_session(clp)) { |
1235 | *p = cpu_to_be32(NFS4_CREATE_GUARDED); | |
1236 | encode_attrs(xdr, arg->u.attrs, arg->server); | |
1237 | } else { | |
1238 | struct iattr dummy; | |
1239 | ||
1240 | *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE4_1); | |
1241 | encode_nfs4_verifier(xdr, &arg->u.verifier); | |
1242 | dummy.ia_valid = 0; | |
1243 | encode_attrs(xdr, &dummy, arg->server); | |
1244 | } | |
1245 | } else { | |
1246 | *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE); | |
1247 | encode_nfs4_verifier(xdr, &arg->u.verifier); | |
1248 | } | |
1da177e4 LT |
1249 | } |
1250 | } | |
1251 | ||
1252 | static void encode_opentype(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1253 | { | |
8687b63a | 1254 | __be32 *p; |
1da177e4 | 1255 | |
13c65ce9 | 1256 | p = reserve_space(xdr, 4); |
1da177e4 | 1257 | switch (arg->open_flags & O_CREAT) { |
05d564fe | 1258 | case 0: |
34558513 | 1259 | *p = cpu_to_be32(NFS4_OPEN_NOCREATE); |
05d564fe AA |
1260 | break; |
1261 | default: | |
1262 | BUG_ON(arg->claim != NFS4_OPEN_CLAIM_NULL); | |
34558513 | 1263 | *p = cpu_to_be32(NFS4_OPEN_CREATE); |
05d564fe | 1264 | encode_createmode(xdr, arg); |
1da177e4 LT |
1265 | } |
1266 | } | |
1267 | ||
bd7bf9d5 | 1268 | static inline void encode_delegation_type(struct xdr_stream *xdr, fmode_t delegation_type) |
1da177e4 | 1269 | { |
8687b63a | 1270 | __be32 *p; |
1da177e4 | 1271 | |
13c65ce9 | 1272 | p = reserve_space(xdr, 4); |
1da177e4 | 1273 | switch (delegation_type) { |
05d564fe | 1274 | case 0: |
34558513 | 1275 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_NONE); |
05d564fe AA |
1276 | break; |
1277 | case FMODE_READ: | |
34558513 | 1278 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_READ); |
05d564fe AA |
1279 | break; |
1280 | case FMODE_WRITE|FMODE_READ: | |
34558513 | 1281 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_WRITE); |
05d564fe AA |
1282 | break; |
1283 | default: | |
1284 | BUG(); | |
1da177e4 LT |
1285 | } |
1286 | } | |
1287 | ||
1288 | static inline void encode_claim_null(struct xdr_stream *xdr, const struct qstr *name) | |
1289 | { | |
8687b63a | 1290 | __be32 *p; |
1da177e4 | 1291 | |
13c65ce9 | 1292 | p = reserve_space(xdr, 4); |
34558513 | 1293 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_NULL); |
1da177e4 LT |
1294 | encode_string(xdr, name->len, name->name); |
1295 | } | |
1296 | ||
bd7bf9d5 | 1297 | static inline void encode_claim_previous(struct xdr_stream *xdr, fmode_t type) |
1da177e4 | 1298 | { |
8687b63a | 1299 | __be32 *p; |
1da177e4 | 1300 | |
13c65ce9 | 1301 | p = reserve_space(xdr, 4); |
34558513 | 1302 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_PREVIOUS); |
1da177e4 LT |
1303 | encode_delegation_type(xdr, type); |
1304 | } | |
1305 | ||
1306 | static inline void encode_claim_delegate_cur(struct xdr_stream *xdr, const struct qstr *name, const nfs4_stateid *stateid) | |
1307 | { | |
8687b63a | 1308 | __be32 *p; |
1da177e4 | 1309 | |
13c65ce9 | 1310 | p = reserve_space(xdr, 4+NFS4_STATEID_SIZE); |
e75bc1c8 | 1311 | *p++ = cpu_to_be32(NFS4_OPEN_CLAIM_DELEGATE_CUR); |
34558513 | 1312 | xdr_encode_opaque_fixed(p, stateid->data, NFS4_STATEID_SIZE); |
1da177e4 LT |
1313 | encode_string(xdr, name->len, name->name); |
1314 | } | |
1315 | ||
cf8cdbe5 | 1316 | static void encode_open(struct xdr_stream *xdr, const struct nfs_openargs *arg, struct compound_hdr *hdr) |
1da177e4 LT |
1317 | { |
1318 | encode_openhdr(xdr, arg); | |
1319 | encode_opentype(xdr, arg); | |
1320 | switch (arg->claim) { | |
05d564fe AA |
1321 | case NFS4_OPEN_CLAIM_NULL: |
1322 | encode_claim_null(xdr, arg->name); | |
1323 | break; | |
1324 | case NFS4_OPEN_CLAIM_PREVIOUS: | |
1325 | encode_claim_previous(xdr, arg->u.delegation_type); | |
1326 | break; | |
1327 | case NFS4_OPEN_CLAIM_DELEGATE_CUR: | |
1328 | encode_claim_delegate_cur(xdr, arg->name, &arg->u.delegation); | |
1329 | break; | |
1330 | default: | |
1331 | BUG(); | |
1da177e4 | 1332 | } |
d017931c | 1333 | hdr->nops++; |
dadf0c27 | 1334 | hdr->replen += decode_open_maxsz; |
1da177e4 LT |
1335 | } |
1336 | ||
cf8cdbe5 | 1337 | static void encode_open_confirm(struct xdr_stream *xdr, const struct nfs_open_confirmargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1338 | { |
8687b63a | 1339 | __be32 *p; |
1da177e4 | 1340 | |
13c65ce9 | 1341 | p = reserve_space(xdr, 4+NFS4_STATEID_SIZE+4); |
e75bc1c8 | 1342 | *p++ = cpu_to_be32(OP_OPEN_CONFIRM); |
93f0cf25 | 1343 | p = xdr_encode_opaque_fixed(p, arg->stateid->data, NFS4_STATEID_SIZE); |
34558513 | 1344 | *p = cpu_to_be32(arg->seqid->sequence->counter); |
d017931c | 1345 | hdr->nops++; |
dadf0c27 | 1346 | hdr->replen += decode_open_confirm_maxsz; |
1da177e4 LT |
1347 | } |
1348 | ||
cf8cdbe5 | 1349 | static void encode_open_downgrade(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1350 | { |
8687b63a | 1351 | __be32 *p; |
1da177e4 | 1352 | |
13c65ce9 | 1353 | p = reserve_space(xdr, 4+NFS4_STATEID_SIZE+4); |
e75bc1c8 | 1354 | *p++ = cpu_to_be32(OP_OPEN_DOWNGRADE); |
93f0cf25 | 1355 | p = xdr_encode_opaque_fixed(p, arg->stateid->data, NFS4_STATEID_SIZE); |
34558513 | 1356 | *p = cpu_to_be32(arg->seqid->sequence->counter); |
dc0b027d | 1357 | encode_share_access(xdr, arg->fmode); |
d017931c | 1358 | hdr->nops++; |
dadf0c27 | 1359 | hdr->replen += decode_open_downgrade_maxsz; |
1da177e4 LT |
1360 | } |
1361 | ||
cf8cdbe5 | 1362 | static void |
d017931c | 1363 | encode_putfh(struct xdr_stream *xdr, const struct nfs_fh *fh, struct compound_hdr *hdr) |
1da177e4 LT |
1364 | { |
1365 | int len = fh->size; | |
8687b63a | 1366 | __be32 *p; |
1da177e4 | 1367 | |
13c65ce9 | 1368 | p = reserve_space(xdr, 8 + len); |
e75bc1c8 | 1369 | *p++ = cpu_to_be32(OP_PUTFH); |
811652bd | 1370 | xdr_encode_opaque(p, fh->data, len); |
d017931c | 1371 | hdr->nops++; |
dadf0c27 | 1372 | hdr->replen += decode_putfh_maxsz; |
1da177e4 LT |
1373 | } |
1374 | ||
cf8cdbe5 | 1375 | static void encode_putrootfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1376 | { |
05d564fe | 1377 | __be32 *p; |
6c0195a4 | 1378 | |
13c65ce9 | 1379 | p = reserve_space(xdr, 4); |
34558513 | 1380 | *p = cpu_to_be32(OP_PUTROOTFH); |
d017931c | 1381 | hdr->nops++; |
dadf0c27 | 1382 | hdr->replen += decode_putrootfh_maxsz; |
1da177e4 LT |
1383 | } |
1384 | ||
f11ac8db | 1385 | static void encode_stateid(struct xdr_stream *xdr, const struct nfs_open_context *ctx, const struct nfs_lock_context *l_ctx) |
1da177e4 | 1386 | { |
1da177e4 | 1387 | nfs4_stateid stateid; |
8687b63a | 1388 | __be32 *p; |
1da177e4 | 1389 | |
13c65ce9 | 1390 | p = reserve_space(xdr, NFS4_STATEID_SIZE); |
1da177e4 | 1391 | if (ctx->state != NULL) { |
77041ed9 | 1392 | nfs4_copy_stateid(&stateid, ctx->state, l_ctx->lockowner, l_ctx->pid); |
34558513 | 1393 | xdr_encode_opaque_fixed(p, stateid.data, NFS4_STATEID_SIZE); |
1da177e4 | 1394 | } else |
34558513 | 1395 | xdr_encode_opaque_fixed(p, zero_stateid.data, NFS4_STATEID_SIZE); |
1da177e4 LT |
1396 | } |
1397 | ||
cf8cdbe5 | 1398 | static void encode_read(struct xdr_stream *xdr, const struct nfs_readargs *args, struct compound_hdr *hdr) |
1da177e4 | 1399 | { |
8687b63a | 1400 | __be32 *p; |
1da177e4 | 1401 | |
13c65ce9 | 1402 | p = reserve_space(xdr, 4); |
34558513 | 1403 | *p = cpu_to_be32(OP_READ); |
1da177e4 | 1404 | |
f11ac8db | 1405 | encode_stateid(xdr, args->context, args->lock_context); |
1da177e4 | 1406 | |
13c65ce9 | 1407 | p = reserve_space(xdr, 12); |
b95be5a9 | 1408 | p = xdr_encode_hyper(p, args->offset); |
34558513 | 1409 | *p = cpu_to_be32(args->count); |
d017931c | 1410 | hdr->nops++; |
dadf0c27 | 1411 | hdr->replen += decode_read_maxsz; |
1da177e4 LT |
1412 | } |
1413 | ||
cf8cdbe5 | 1414 | static void encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg *readdir, struct rpc_rqst *req, struct compound_hdr *hdr) |
1da177e4 | 1415 | { |
82f2e547 | 1416 | uint32_t attrs[2] = {0, 0}; |
6f7a35bd | 1417 | uint32_t dircount = readdir->count >> 1; |
8687b63a | 1418 | __be32 *p; |
1da177e4 | 1419 | |
82f2e547 BS |
1420 | if (readdir->plus) { |
1421 | attrs[0] |= FATTR4_WORD0_TYPE|FATTR4_WORD0_CHANGE|FATTR4_WORD0_SIZE| | |
1422 | FATTR4_WORD0_FSID|FATTR4_WORD0_FILEHANDLE; | |
1423 | attrs[1] |= FATTR4_WORD1_MODE|FATTR4_WORD1_NUMLINKS|FATTR4_WORD1_OWNER| | |
1424 | FATTR4_WORD1_OWNER_GROUP|FATTR4_WORD1_RAWDEV| | |
1425 | FATTR4_WORD1_SPACE_USED|FATTR4_WORD1_TIME_ACCESS| | |
1426 | FATTR4_WORD1_TIME_METADATA|FATTR4_WORD1_TIME_MODIFY; | |
6f7a35bd | 1427 | dircount >>= 1; |
82f2e547 BS |
1428 | } |
1429 | attrs[0] |= FATTR4_WORD0_RDATTR_ERROR|FATTR4_WORD0_FILEID; | |
1430 | attrs[1] |= FATTR4_WORD1_MOUNTED_ON_FILEID; | |
6f7a35bd TM |
1431 | /* Switch to mounted_on_fileid if the server supports it */ |
1432 | if (readdir->bitmask[1] & FATTR4_WORD1_MOUNTED_ON_FILEID) | |
1433 | attrs[0] &= ~FATTR4_WORD0_FILEID; | |
1434 | else | |
1435 | attrs[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID; | |
82f2e547 | 1436 | |
13c65ce9 | 1437 | p = reserve_space(xdr, 12+NFS4_VERIFIER_SIZE+20); |
e75bc1c8 | 1438 | *p++ = cpu_to_be32(OP_READDIR); |
b95be5a9 | 1439 | p = xdr_encode_hyper(p, readdir->cookie); |
93f0cf25 | 1440 | p = xdr_encode_opaque_fixed(p, readdir->verifier.data, NFS4_VERIFIER_SIZE); |
6f7a35bd | 1441 | *p++ = cpu_to_be32(dircount); |
e75bc1c8 BH |
1442 | *p++ = cpu_to_be32(readdir->count); |
1443 | *p++ = cpu_to_be32(2); | |
82f2e547 | 1444 | |
e75bc1c8 | 1445 | *p++ = cpu_to_be32(attrs[0] & readdir->bitmask[0]); |
34558513 | 1446 | *p = cpu_to_be32(attrs[1] & readdir->bitmask[1]); |
d017931c | 1447 | hdr->nops++; |
dadf0c27 | 1448 | hdr->replen += decode_readdir_maxsz; |
44109241 FI |
1449 | dprintk("%s: cookie = %Lu, verifier = %08x:%08x, bitmap = %08x:%08x\n", |
1450 | __func__, | |
eadf4598 TM |
1451 | (unsigned long long)readdir->cookie, |
1452 | ((u32 *)readdir->verifier.data)[0], | |
1453 | ((u32 *)readdir->verifier.data)[1], | |
1454 | attrs[0] & readdir->bitmask[0], | |
1455 | attrs[1] & readdir->bitmask[1]); | |
1da177e4 LT |
1456 | } |
1457 | ||
cf8cdbe5 | 1458 | static void encode_readlink(struct xdr_stream *xdr, const struct nfs4_readlink *readlink, struct rpc_rqst *req, struct compound_hdr *hdr) |
1da177e4 | 1459 | { |
8687b63a | 1460 | __be32 *p; |
1da177e4 | 1461 | |
13c65ce9 | 1462 | p = reserve_space(xdr, 4); |
34558513 | 1463 | *p = cpu_to_be32(OP_READLINK); |
d017931c | 1464 | hdr->nops++; |
dadf0c27 | 1465 | hdr->replen += decode_readlink_maxsz; |
1da177e4 LT |
1466 | } |
1467 | ||
cf8cdbe5 | 1468 | static void encode_remove(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1469 | { |
8687b63a | 1470 | __be32 *p; |
1da177e4 | 1471 | |
13c65ce9 | 1472 | p = reserve_space(xdr, 8 + name->len); |
e75bc1c8 | 1473 | *p++ = cpu_to_be32(OP_REMOVE); |
811652bd | 1474 | xdr_encode_opaque(p, name->name, name->len); |
d017931c | 1475 | hdr->nops++; |
dadf0c27 | 1476 | hdr->replen += decode_remove_maxsz; |
1da177e4 LT |
1477 | } |
1478 | ||
cf8cdbe5 | 1479 | static void encode_rename(struct xdr_stream *xdr, const struct qstr *oldname, const struct qstr *newname, struct compound_hdr *hdr) |
1da177e4 | 1480 | { |
8687b63a | 1481 | __be32 *p; |
1da177e4 | 1482 | |
811652bd BH |
1483 | p = reserve_space(xdr, 4); |
1484 | *p = cpu_to_be32(OP_RENAME); | |
1485 | encode_string(xdr, oldname->len, oldname->name); | |
1486 | encode_string(xdr, newname->len, newname->name); | |
d017931c | 1487 | hdr->nops++; |
dadf0c27 | 1488 | hdr->replen += decode_rename_maxsz; |
1da177e4 LT |
1489 | } |
1490 | ||
cf8cdbe5 | 1491 | static void encode_renew(struct xdr_stream *xdr, const struct nfs_client *client_stateid, struct compound_hdr *hdr) |
1da177e4 | 1492 | { |
8687b63a | 1493 | __be32 *p; |
1da177e4 | 1494 | |
13c65ce9 | 1495 | p = reserve_space(xdr, 12); |
e75bc1c8 | 1496 | *p++ = cpu_to_be32(OP_RENEW); |
34558513 | 1497 | xdr_encode_hyper(p, client_stateid->cl_clientid); |
d017931c | 1498 | hdr->nops++; |
dadf0c27 | 1499 | hdr->replen += decode_renew_maxsz; |
1da177e4 LT |
1500 | } |
1501 | ||
cf8cdbe5 | 1502 | static void |
d017931c | 1503 | encode_restorefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
56ae19f3 | 1504 | { |
8687b63a | 1505 | __be32 *p; |
56ae19f3 | 1506 | |
13c65ce9 | 1507 | p = reserve_space(xdr, 4); |
34558513 | 1508 | *p = cpu_to_be32(OP_RESTOREFH); |
d017931c | 1509 | hdr->nops++; |
dadf0c27 | 1510 | hdr->replen += decode_restorefh_maxsz; |
56ae19f3 TM |
1511 | } |
1512 | ||
9f06c719 | 1513 | static void |
d017931c | 1514 | encode_setacl(struct xdr_stream *xdr, struct nfs_setaclargs *arg, struct compound_hdr *hdr) |
23ec6965 | 1515 | { |
8687b63a | 1516 | __be32 *p; |
23ec6965 | 1517 | |
13c65ce9 | 1518 | p = reserve_space(xdr, 4+NFS4_STATEID_SIZE); |
e75bc1c8 | 1519 | *p++ = cpu_to_be32(OP_SETATTR); |
34558513 | 1520 | xdr_encode_opaque_fixed(p, zero_stateid.data, NFS4_STATEID_SIZE); |
13c65ce9 | 1521 | p = reserve_space(xdr, 2*4); |
e75bc1c8 | 1522 | *p++ = cpu_to_be32(1); |
34558513 | 1523 | *p = cpu_to_be32(FATTR4_WORD0_ACL); |
9f06c719 | 1524 | BUG_ON(arg->acl_len % 4); |
13c65ce9 | 1525 | p = reserve_space(xdr, 4); |
34558513 | 1526 | *p = cpu_to_be32(arg->acl_len); |
23ec6965 | 1527 | xdr_write_pages(xdr, arg->acl_pages, arg->acl_pgbase, arg->acl_len); |
d017931c | 1528 | hdr->nops++; |
dadf0c27 | 1529 | hdr->replen += decode_setacl_maxsz; |
23ec6965 BF |
1530 | } |
1531 | ||
cf8cdbe5 | 1532 | static void |
d017931c | 1533 | encode_savefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1534 | { |
8687b63a | 1535 | __be32 *p; |
1da177e4 | 1536 | |
13c65ce9 | 1537 | p = reserve_space(xdr, 4); |
34558513 | 1538 | *p = cpu_to_be32(OP_SAVEFH); |
d017931c | 1539 | hdr->nops++; |
dadf0c27 | 1540 | hdr->replen += decode_savefh_maxsz; |
1da177e4 LT |
1541 | } |
1542 | ||
cf8cdbe5 | 1543 | static void encode_setattr(struct xdr_stream *xdr, const struct nfs_setattrargs *arg, const struct nfs_server *server, struct compound_hdr *hdr) |
1da177e4 | 1544 | { |
8687b63a | 1545 | __be32 *p; |
6c0195a4 | 1546 | |
13c65ce9 | 1547 | p = reserve_space(xdr, 4+NFS4_STATEID_SIZE); |
e75bc1c8 | 1548 | *p++ = cpu_to_be32(OP_SETATTR); |
34558513 | 1549 | xdr_encode_opaque_fixed(p, arg->stateid.data, NFS4_STATEID_SIZE); |
d017931c | 1550 | hdr->nops++; |
dadf0c27 | 1551 | hdr->replen += decode_setattr_maxsz; |
cf8cdbe5 | 1552 | encode_attrs(xdr, arg->iap, server); |
1da177e4 LT |
1553 | } |
1554 | ||
cf8cdbe5 | 1555 | static void encode_setclientid(struct xdr_stream *xdr, const struct nfs4_setclientid *setclientid, struct compound_hdr *hdr) |
1da177e4 | 1556 | { |
8687b63a | 1557 | __be32 *p; |
1da177e4 | 1558 | |
13c65ce9 | 1559 | p = reserve_space(xdr, 4 + NFS4_VERIFIER_SIZE); |
e75bc1c8 | 1560 | *p++ = cpu_to_be32(OP_SETCLIENTID); |
34558513 | 1561 | xdr_encode_opaque_fixed(p, setclientid->sc_verifier->data, NFS4_VERIFIER_SIZE); |
1da177e4 LT |
1562 | |
1563 | encode_string(xdr, setclientid->sc_name_len, setclientid->sc_name); | |
13c65ce9 | 1564 | p = reserve_space(xdr, 4); |
34558513 | 1565 | *p = cpu_to_be32(setclientid->sc_prog); |
1da177e4 LT |
1566 | encode_string(xdr, setclientid->sc_netid_len, setclientid->sc_netid); |
1567 | encode_string(xdr, setclientid->sc_uaddr_len, setclientid->sc_uaddr); | |
13c65ce9 | 1568 | p = reserve_space(xdr, 4); |
34558513 | 1569 | *p = cpu_to_be32(setclientid->sc_cb_ident); |
d017931c | 1570 | hdr->nops++; |
dadf0c27 | 1571 | hdr->replen += decode_setclientid_maxsz; |
1da177e4 LT |
1572 | } |
1573 | ||
bb8b27e5 | 1574 | static void encode_setclientid_confirm(struct xdr_stream *xdr, const struct nfs4_setclientid_res *arg, struct compound_hdr *hdr) |
1da177e4 | 1575 | { |
05d564fe | 1576 | __be32 *p; |
1da177e4 | 1577 | |
13c65ce9 | 1578 | p = reserve_space(xdr, 12 + NFS4_VERIFIER_SIZE); |
e75bc1c8 | 1579 | *p++ = cpu_to_be32(OP_SETCLIENTID_CONFIRM); |
bb8b27e5 TM |
1580 | p = xdr_encode_hyper(p, arg->clientid); |
1581 | xdr_encode_opaque_fixed(p, arg->confirm.data, NFS4_VERIFIER_SIZE); | |
d017931c | 1582 | hdr->nops++; |
dadf0c27 | 1583 | hdr->replen += decode_setclientid_confirm_maxsz; |
1da177e4 LT |
1584 | } |
1585 | ||
cf8cdbe5 | 1586 | static void encode_write(struct xdr_stream *xdr, const struct nfs_writeargs *args, struct compound_hdr *hdr) |
1da177e4 | 1587 | { |
8687b63a | 1588 | __be32 *p; |
1da177e4 | 1589 | |
13c65ce9 | 1590 | p = reserve_space(xdr, 4); |
34558513 | 1591 | *p = cpu_to_be32(OP_WRITE); |
1da177e4 | 1592 | |
f11ac8db | 1593 | encode_stateid(xdr, args->context, args->lock_context); |
1da177e4 | 1594 | |
13c65ce9 | 1595 | p = reserve_space(xdr, 16); |
b95be5a9 | 1596 | p = xdr_encode_hyper(p, args->offset); |
e75bc1c8 | 1597 | *p++ = cpu_to_be32(args->stable); |
34558513 | 1598 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1599 | |
1600 | xdr_write_pages(xdr, args->pages, args->pgbase, args->count); | |
d017931c | 1601 | hdr->nops++; |
dadf0c27 | 1602 | hdr->replen += decode_write_maxsz; |
1da177e4 LT |
1603 | } |
1604 | ||
cf8cdbe5 | 1605 | static void encode_delegreturn(struct xdr_stream *xdr, const nfs4_stateid *stateid, struct compound_hdr *hdr) |
1da177e4 | 1606 | { |
8687b63a | 1607 | __be32 *p; |
1da177e4 | 1608 | |
13c65ce9 | 1609 | p = reserve_space(xdr, 4+NFS4_STATEID_SIZE); |
1da177e4 | 1610 | |
e75bc1c8 | 1611 | *p++ = cpu_to_be32(OP_DELEGRETURN); |
34558513 | 1612 | xdr_encode_opaque_fixed(p, stateid->data, NFS4_STATEID_SIZE); |
d017931c | 1613 | hdr->nops++; |
dadf0c27 | 1614 | hdr->replen += decode_delegreturn_maxsz; |
1da177e4 | 1615 | } |
9b7b9fcc | 1616 | |
99fe60d0 | 1617 | #if defined(CONFIG_NFS_V4_1) |
9b7b9fcc | 1618 | /* NFSv4.1 operations */ |
99fe60d0 BH |
1619 | static void encode_exchange_id(struct xdr_stream *xdr, |
1620 | struct nfs41_exchange_id_args *args, | |
1621 | struct compound_hdr *hdr) | |
1622 | { | |
1623 | __be32 *p; | |
1624 | ||
13c65ce9 | 1625 | p = reserve_space(xdr, 4 + sizeof(args->verifier->data)); |
e75bc1c8 | 1626 | *p++ = cpu_to_be32(OP_EXCHANGE_ID); |
34558513 | 1627 | xdr_encode_opaque_fixed(p, args->verifier->data, sizeof(args->verifier->data)); |
99fe60d0 BH |
1628 | |
1629 | encode_string(xdr, args->id_len, args->id); | |
1630 | ||
13c65ce9 | 1631 | p = reserve_space(xdr, 12); |
e75bc1c8 BH |
1632 | *p++ = cpu_to_be32(args->flags); |
1633 | *p++ = cpu_to_be32(0); /* zero length state_protect4_a */ | |
34558513 | 1634 | *p = cpu_to_be32(0); /* zero length implementation id array */ |
99fe60d0 BH |
1635 | hdr->nops++; |
1636 | hdr->replen += decode_exchange_id_maxsz; | |
1637 | } | |
fc931582 AA |
1638 | |
1639 | static void encode_create_session(struct xdr_stream *xdr, | |
1640 | struct nfs41_create_session_args *args, | |
1641 | struct compound_hdr *hdr) | |
1642 | { | |
1643 | __be32 *p; | |
1644 | char machine_name[NFS4_MAX_MACHINE_NAME_LEN]; | |
1645 | uint32_t len; | |
1646 | struct nfs_client *clp = args->client; | |
8e0d46e1 MS |
1647 | u32 max_resp_sz_cached; |
1648 | ||
1649 | /* | |
1650 | * Assumes OPEN is the biggest non-idempotent compound. | |
1651 | * 2 is the verifier. | |
1652 | */ | |
1653 | max_resp_sz_cached = (NFS4_dec_open_sz + RPC_REPHDRSIZE + | |
1654 | RPC_MAX_AUTH_SIZE + 2) * XDR_UNIT; | |
fc931582 | 1655 | |
42edd698 BH |
1656 | len = scnprintf(machine_name, sizeof(machine_name), "%s", |
1657 | clp->cl_ipaddr); | |
fc931582 | 1658 | |
13c65ce9 | 1659 | p = reserve_space(xdr, 20 + 2*28 + 20 + len + 12); |
42edd698 | 1660 | *p++ = cpu_to_be32(OP_CREATE_SESSION); |
b95be5a9 | 1661 | p = xdr_encode_hyper(p, clp->cl_ex_clid); |
e75bc1c8 BH |
1662 | *p++ = cpu_to_be32(clp->cl_seqid); /*Sequence id */ |
1663 | *p++ = cpu_to_be32(args->flags); /*flags */ | |
fc931582 | 1664 | |
fc931582 | 1665 | /* Fore Channel */ |
e75bc1c8 BH |
1666 | *p++ = cpu_to_be32(args->fc_attrs.headerpadsz); /* header padding size */ |
1667 | *p++ = cpu_to_be32(args->fc_attrs.max_rqst_sz); /* max req size */ | |
1668 | *p++ = cpu_to_be32(args->fc_attrs.max_resp_sz); /* max resp size */ | |
8e0d46e1 | 1669 | *p++ = cpu_to_be32(max_resp_sz_cached); /* Max resp sz cached */ |
e75bc1c8 BH |
1670 | *p++ = cpu_to_be32(args->fc_attrs.max_ops); /* max operations */ |
1671 | *p++ = cpu_to_be32(args->fc_attrs.max_reqs); /* max requests */ | |
1672 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ | |
fc931582 AA |
1673 | |
1674 | /* Back Channel */ | |
e75bc1c8 BH |
1675 | *p++ = cpu_to_be32(args->fc_attrs.headerpadsz); /* header padding size */ |
1676 | *p++ = cpu_to_be32(args->bc_attrs.max_rqst_sz); /* max req size */ | |
1677 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz); /* max resp size */ | |
1678 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz_cached); /* Max resp sz cached */ | |
1679 | *p++ = cpu_to_be32(args->bc_attrs.max_ops); /* max operations */ | |
1680 | *p++ = cpu_to_be32(args->bc_attrs.max_reqs); /* max requests */ | |
1681 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ | |
fc931582 | 1682 | |
e75bc1c8 | 1683 | *p++ = cpu_to_be32(args->cb_program); /* cb_program */ |
e75bc1c8 | 1684 | *p++ = cpu_to_be32(1); |
e75bc1c8 | 1685 | *p++ = cpu_to_be32(RPC_AUTH_UNIX); /* auth_sys */ |
fc931582 AA |
1686 | |
1687 | /* authsys_parms rfc1831 */ | |
e75bc1c8 | 1688 | *p++ = cpu_to_be32((u32)clp->cl_boot_time.tv_nsec); /* stamp */ |
811652bd | 1689 | p = xdr_encode_opaque(p, machine_name, len); |
e75bc1c8 BH |
1690 | *p++ = cpu_to_be32(0); /* UID */ |
1691 | *p++ = cpu_to_be32(0); /* GID */ | |
34558513 | 1692 | *p = cpu_to_be32(0); /* No more gids */ |
fc931582 AA |
1693 | hdr->nops++; |
1694 | hdr->replen += decode_create_session_maxsz; | |
1695 | } | |
0f3e66c6 AA |
1696 | |
1697 | static void encode_destroy_session(struct xdr_stream *xdr, | |
1698 | struct nfs4_session *session, | |
1699 | struct compound_hdr *hdr) | |
1700 | { | |
1701 | __be32 *p; | |
13c65ce9 | 1702 | p = reserve_space(xdr, 4 + NFS4_MAX_SESSIONID_LEN); |
e75bc1c8 | 1703 | *p++ = cpu_to_be32(OP_DESTROY_SESSION); |
34558513 | 1704 | xdr_encode_opaque_fixed(p, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); |
0f3e66c6 AA |
1705 | hdr->nops++; |
1706 | hdr->replen += decode_destroy_session_maxsz; | |
1707 | } | |
18019753 RL |
1708 | |
1709 | static void encode_reclaim_complete(struct xdr_stream *xdr, | |
1710 | struct nfs41_reclaim_complete_args *args, | |
1711 | struct compound_hdr *hdr) | |
1712 | { | |
1713 | __be32 *p; | |
1714 | ||
1715 | p = reserve_space(xdr, 8); | |
1716 | *p++ = cpu_to_be32(OP_RECLAIM_COMPLETE); | |
1717 | *p++ = cpu_to_be32(args->one_fs); | |
1718 | hdr->nops++; | |
1719 | hdr->replen += decode_reclaim_complete_maxsz; | |
1720 | } | |
99fe60d0 BH |
1721 | #endif /* CONFIG_NFS_V4_1 */ |
1722 | ||
9b7b9fcc AA |
1723 | static void encode_sequence(struct xdr_stream *xdr, |
1724 | const struct nfs4_sequence_args *args, | |
1725 | struct compound_hdr *hdr) | |
1726 | { | |
1727 | #if defined(CONFIG_NFS_V4_1) | |
1728 | struct nfs4_session *session = args->sa_session; | |
fc01cea9 AA |
1729 | struct nfs4_slot_table *tp; |
1730 | struct nfs4_slot *slot; | |
1731 | __be32 *p; | |
9b7b9fcc AA |
1732 | |
1733 | if (!session) | |
1734 | return; | |
1735 | ||
fc01cea9 AA |
1736 | tp = &session->fc_slot_table; |
1737 | ||
1738 | WARN_ON(args->sa_slotid == NFS4_MAX_SLOT_TABLE); | |
1739 | slot = tp->slots + args->sa_slotid; | |
1740 | ||
13c65ce9 | 1741 | p = reserve_space(xdr, 4 + NFS4_MAX_SESSIONID_LEN + 16); |
e75bc1c8 | 1742 | *p++ = cpu_to_be32(OP_SEQUENCE); |
fc01cea9 AA |
1743 | |
1744 | /* | |
1745 | * Sessionid + seqid + slotid + max slotid + cache_this | |
1746 | */ | |
1747 | dprintk("%s: sessionid=%u:%u:%u:%u seqid=%d slotid=%d " | |
1748 | "max_slotid=%d cache_this=%d\n", | |
1749 | __func__, | |
1750 | ((u32 *)session->sess_id.data)[0], | |
1751 | ((u32 *)session->sess_id.data)[1], | |
1752 | ((u32 *)session->sess_id.data)[2], | |
1753 | ((u32 *)session->sess_id.data)[3], | |
1754 | slot->seq_nr, args->sa_slotid, | |
1755 | tp->highest_used_slotid, args->sa_cache_this); | |
93f0cf25 | 1756 | p = xdr_encode_opaque_fixed(p, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); |
e75bc1c8 BH |
1757 | *p++ = cpu_to_be32(slot->seq_nr); |
1758 | *p++ = cpu_to_be32(args->sa_slotid); | |
1759 | *p++ = cpu_to_be32(tp->highest_used_slotid); | |
34558513 | 1760 | *p = cpu_to_be32(args->sa_cache_this); |
9b7b9fcc AA |
1761 | hdr->nops++; |
1762 | hdr->replen += decode_sequence_maxsz; | |
1763 | #endif /* CONFIG_NFS_V4_1 */ | |
1764 | } | |
1765 | ||
b1f69b75 AA |
1766 | #ifdef CONFIG_NFS_V4_1 |
1767 | static void | |
1768 | encode_getdeviceinfo(struct xdr_stream *xdr, | |
1769 | const struct nfs4_getdeviceinfo_args *args, | |
1770 | struct compound_hdr *hdr) | |
1771 | { | |
1772 | __be32 *p; | |
1773 | ||
1774 | p = reserve_space(xdr, 16 + NFS4_DEVICEID4_SIZE); | |
1775 | *p++ = cpu_to_be32(OP_GETDEVICEINFO); | |
1776 | p = xdr_encode_opaque_fixed(p, args->pdev->dev_id.data, | |
1777 | NFS4_DEVICEID4_SIZE); | |
1778 | *p++ = cpu_to_be32(args->pdev->layout_type); | |
1779 | *p++ = cpu_to_be32(args->pdev->pglen); /* gdia_maxcount */ | |
1780 | *p++ = cpu_to_be32(0); /* bitmap length 0 */ | |
1781 | hdr->nops++; | |
1782 | hdr->replen += decode_getdeviceinfo_maxsz; | |
1783 | } | |
1784 | ||
1785 | static void | |
1786 | encode_layoutget(struct xdr_stream *xdr, | |
1787 | const struct nfs4_layoutget_args *args, | |
1788 | struct compound_hdr *hdr) | |
1789 | { | |
b1f69b75 AA |
1790 | __be32 *p; |
1791 | ||
1792 | p = reserve_space(xdr, 44 + NFS4_STATEID_SIZE); | |
1793 | *p++ = cpu_to_be32(OP_LAYOUTGET); | |
1794 | *p++ = cpu_to_be32(0); /* Signal layout available */ | |
1795 | *p++ = cpu_to_be32(args->type); | |
1796 | *p++ = cpu_to_be32(args->range.iomode); | |
1797 | p = xdr_encode_hyper(p, args->range.offset); | |
1798 | p = xdr_encode_hyper(p, args->range.length); | |
1799 | p = xdr_encode_hyper(p, args->minlength); | |
cf7d63f1 | 1800 | p = xdr_encode_opaque_fixed(p, &args->stateid.data, NFS4_STATEID_SIZE); |
b1f69b75 AA |
1801 | *p = cpu_to_be32(args->maxcount); |
1802 | ||
1803 | dprintk("%s: 1st type:0x%x iomode:%d off:%lu len:%lu mc:%d\n", | |
1804 | __func__, | |
1805 | args->type, | |
1806 | args->range.iomode, | |
1807 | (unsigned long)args->range.offset, | |
1808 | (unsigned long)args->range.length, | |
1809 | args->maxcount); | |
1810 | hdr->nops++; | |
1811 | hdr->replen += decode_layoutget_maxsz; | |
1812 | } | |
1813 | #endif /* CONFIG_NFS_V4_1 */ | |
1814 | ||
1da177e4 LT |
1815 | /* |
1816 | * END OF "GENERIC" ENCODE ROUTINES. | |
1817 | */ | |
1818 | ||
66cc0429 BH |
1819 | static u32 nfs4_xdr_minorversion(const struct nfs4_sequence_args *args) |
1820 | { | |
1821 | #if defined(CONFIG_NFS_V4_1) | |
1822 | if (args->sa_session) | |
a4432345 | 1823 | return args->sa_session->clp->cl_mvops->minor_version; |
66cc0429 BH |
1824 | #endif /* CONFIG_NFS_V4_1 */ |
1825 | return 0; | |
1826 | } | |
1827 | ||
1da177e4 LT |
1828 | /* |
1829 | * Encode an ACCESS request | |
1830 | */ | |
9f06c719 CL |
1831 | static void nfs4_xdr_enc_access(struct rpc_rqst *req, struct xdr_stream *xdr, |
1832 | const struct nfs4_accessargs *args) | |
1da177e4 | 1833 | { |
1da177e4 | 1834 | struct compound_hdr hdr = { |
66cc0429 | 1835 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1836 | }; |
1da177e4 | 1837 | |
9f06c719 CL |
1838 | encode_compound_hdr(xdr, req, &hdr); |
1839 | encode_sequence(xdr, &args->seq_args, &hdr); | |
1840 | encode_putfh(xdr, args->fh, &hdr); | |
1841 | encode_access(xdr, args->access, &hdr); | |
1842 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 1843 | encode_nops(&hdr); |
1da177e4 LT |
1844 | } |
1845 | ||
1846 | /* | |
1847 | * Encode LOOKUP request | |
1848 | */ | |
9f06c719 CL |
1849 | static void nfs4_xdr_enc_lookup(struct rpc_rqst *req, struct xdr_stream *xdr, |
1850 | const struct nfs4_lookup_arg *args) | |
1da177e4 | 1851 | { |
1da177e4 | 1852 | struct compound_hdr hdr = { |
66cc0429 | 1853 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1854 | }; |
1da177e4 | 1855 | |
9f06c719 CL |
1856 | encode_compound_hdr(xdr, req, &hdr); |
1857 | encode_sequence(xdr, &args->seq_args, &hdr); | |
1858 | encode_putfh(xdr, args->dir_fh, &hdr); | |
1859 | encode_lookup(xdr, args->name, &hdr); | |
1860 | encode_getfh(xdr, &hdr); | |
1861 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 1862 | encode_nops(&hdr); |
1da177e4 LT |
1863 | } |
1864 | ||
1865 | /* | |
1866 | * Encode LOOKUP_ROOT request | |
1867 | */ | |
9f06c719 CL |
1868 | static void nfs4_xdr_enc_lookup_root(struct rpc_rqst *req, |
1869 | struct xdr_stream *xdr, | |
1870 | const struct nfs4_lookup_root_arg *args) | |
1da177e4 | 1871 | { |
1da177e4 | 1872 | struct compound_hdr hdr = { |
66cc0429 | 1873 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1874 | }; |
1da177e4 | 1875 | |
9f06c719 CL |
1876 | encode_compound_hdr(xdr, req, &hdr); |
1877 | encode_sequence(xdr, &args->seq_args, &hdr); | |
1878 | encode_putrootfh(xdr, &hdr); | |
1879 | encode_getfh(xdr, &hdr); | |
1880 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 1881 | encode_nops(&hdr); |
1da177e4 LT |
1882 | } |
1883 | ||
1884 | /* | |
1885 | * Encode REMOVE request | |
1886 | */ | |
9f06c719 CL |
1887 | static void nfs4_xdr_enc_remove(struct rpc_rqst *req, struct xdr_stream *xdr, |
1888 | const struct nfs_removeargs *args) | |
1da177e4 | 1889 | { |
1da177e4 | 1890 | struct compound_hdr hdr = { |
66cc0429 | 1891 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1892 | }; |
1da177e4 | 1893 | |
9f06c719 CL |
1894 | encode_compound_hdr(xdr, req, &hdr); |
1895 | encode_sequence(xdr, &args->seq_args, &hdr); | |
1896 | encode_putfh(xdr, args->fh, &hdr); | |
1897 | encode_remove(xdr, &args->name, &hdr); | |
1898 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 1899 | encode_nops(&hdr); |
1da177e4 LT |
1900 | } |
1901 | ||
1902 | /* | |
1903 | * Encode RENAME request | |
1904 | */ | |
9f06c719 CL |
1905 | static void nfs4_xdr_enc_rename(struct rpc_rqst *req, struct xdr_stream *xdr, |
1906 | const struct nfs_renameargs *args) | |
1da177e4 | 1907 | { |
1da177e4 | 1908 | struct compound_hdr hdr = { |
66cc0429 | 1909 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1910 | }; |
1da177e4 | 1911 | |
9f06c719 CL |
1912 | encode_compound_hdr(xdr, req, &hdr); |
1913 | encode_sequence(xdr, &args->seq_args, &hdr); | |
1914 | encode_putfh(xdr, args->old_dir, &hdr); | |
1915 | encode_savefh(xdr, &hdr); | |
1916 | encode_putfh(xdr, args->new_dir, &hdr); | |
1917 | encode_rename(xdr, args->old_name, args->new_name, &hdr); | |
1918 | encode_getfattr(xdr, args->bitmask, &hdr); | |
1919 | encode_restorefh(xdr, &hdr); | |
1920 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 1921 | encode_nops(&hdr); |
1da177e4 LT |
1922 | } |
1923 | ||
1924 | /* | |
1925 | * Encode LINK request | |
1926 | */ | |
9f06c719 CL |
1927 | static void nfs4_xdr_enc_link(struct rpc_rqst *req, struct xdr_stream *xdr, |
1928 | const struct nfs4_link_arg *args) | |
1da177e4 | 1929 | { |
1da177e4 | 1930 | struct compound_hdr hdr = { |
66cc0429 | 1931 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1932 | }; |
1da177e4 | 1933 | |
9f06c719 CL |
1934 | encode_compound_hdr(xdr, req, &hdr); |
1935 | encode_sequence(xdr, &args->seq_args, &hdr); | |
1936 | encode_putfh(xdr, args->fh, &hdr); | |
1937 | encode_savefh(xdr, &hdr); | |
1938 | encode_putfh(xdr, args->dir_fh, &hdr); | |
1939 | encode_link(xdr, args->name, &hdr); | |
1940 | encode_getfattr(xdr, args->bitmask, &hdr); | |
1941 | encode_restorefh(xdr, &hdr); | |
1942 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 1943 | encode_nops(&hdr); |
1da177e4 LT |
1944 | } |
1945 | ||
1946 | /* | |
1947 | * Encode CREATE request | |
1948 | */ | |
9f06c719 CL |
1949 | static void nfs4_xdr_enc_create(struct rpc_rqst *req, struct xdr_stream *xdr, |
1950 | const struct nfs4_create_arg *args) | |
1da177e4 | 1951 | { |
1da177e4 | 1952 | struct compound_hdr hdr = { |
66cc0429 | 1953 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1954 | }; |
1da177e4 | 1955 | |
9f06c719 CL |
1956 | encode_compound_hdr(xdr, req, &hdr); |
1957 | encode_sequence(xdr, &args->seq_args, &hdr); | |
1958 | encode_putfh(xdr, args->dir_fh, &hdr); | |
1959 | encode_savefh(xdr, &hdr); | |
1960 | encode_create(xdr, args, &hdr); | |
1961 | encode_getfh(xdr, &hdr); | |
1962 | encode_getfattr(xdr, args->bitmask, &hdr); | |
1963 | encode_restorefh(xdr, &hdr); | |
1964 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 1965 | encode_nops(&hdr); |
1da177e4 LT |
1966 | } |
1967 | ||
1968 | /* | |
1969 | * Encode SYMLINK request | |
1970 | */ | |
9f06c719 CL |
1971 | static void nfs4_xdr_enc_symlink(struct rpc_rqst *req, struct xdr_stream *xdr, |
1972 | const struct nfs4_create_arg *args) | |
1da177e4 | 1973 | { |
9f06c719 | 1974 | nfs4_xdr_enc_create(req, xdr, args); |
1da177e4 LT |
1975 | } |
1976 | ||
1977 | /* | |
1978 | * Encode GETATTR request | |
1979 | */ | |
9f06c719 CL |
1980 | static void nfs4_xdr_enc_getattr(struct rpc_rqst *req, struct xdr_stream *xdr, |
1981 | const struct nfs4_getattr_arg *args) | |
1da177e4 | 1982 | { |
1da177e4 | 1983 | struct compound_hdr hdr = { |
66cc0429 | 1984 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1985 | }; |
1da177e4 | 1986 | |
9f06c719 CL |
1987 | encode_compound_hdr(xdr, req, &hdr); |
1988 | encode_sequence(xdr, &args->seq_args, &hdr); | |
1989 | encode_putfh(xdr, args->fh, &hdr); | |
1990 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 1991 | encode_nops(&hdr); |
1da177e4 LT |
1992 | } |
1993 | ||
1994 | /* | |
1995 | * Encode a CLOSE request | |
1996 | */ | |
9f06c719 CL |
1997 | static void nfs4_xdr_enc_close(struct rpc_rqst *req, struct xdr_stream *xdr, |
1998 | struct nfs_closeargs *args) | |
1da177e4 | 1999 | { |
05d564fe | 2000 | struct compound_hdr hdr = { |
66cc0429 | 2001 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 2002 | }; |
05d564fe | 2003 | |
9f06c719 CL |
2004 | encode_compound_hdr(xdr, req, &hdr); |
2005 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2006 | encode_putfh(xdr, args->fh, &hdr); | |
2007 | encode_close(xdr, args, &hdr); | |
2008 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2009 | encode_nops(&hdr); |
1da177e4 LT |
2010 | } |
2011 | ||
2012 | /* | |
2013 | * Encode an OPEN request | |
2014 | */ | |
9f06c719 CL |
2015 | static void nfs4_xdr_enc_open(struct rpc_rqst *req, struct xdr_stream *xdr, |
2016 | struct nfs_openargs *args) | |
1da177e4 | 2017 | { |
1da177e4 | 2018 | struct compound_hdr hdr = { |
66cc0429 | 2019 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2020 | }; |
1da177e4 | 2021 | |
9f06c719 CL |
2022 | encode_compound_hdr(xdr, req, &hdr); |
2023 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2024 | encode_putfh(xdr, args->fh, &hdr); | |
2025 | encode_savefh(xdr, &hdr); | |
2026 | encode_open(xdr, args, &hdr); | |
2027 | encode_getfh(xdr, &hdr); | |
2028 | encode_getfattr(xdr, args->bitmask, &hdr); | |
2029 | encode_restorefh(xdr, &hdr); | |
2030 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2031 | encode_nops(&hdr); |
1da177e4 LT |
2032 | } |
2033 | ||
2034 | /* | |
2035 | * Encode an OPEN_CONFIRM request | |
2036 | */ | |
9f06c719 CL |
2037 | static void nfs4_xdr_enc_open_confirm(struct rpc_rqst *req, |
2038 | struct xdr_stream *xdr, | |
2039 | struct nfs_open_confirmargs *args) | |
1da177e4 | 2040 | { |
1da177e4 | 2041 | struct compound_hdr hdr = { |
d017931c | 2042 | .nops = 0, |
1da177e4 | 2043 | }; |
1da177e4 | 2044 | |
9f06c719 CL |
2045 | encode_compound_hdr(xdr, req, &hdr); |
2046 | encode_putfh(xdr, args->fh, &hdr); | |
2047 | encode_open_confirm(xdr, args, &hdr); | |
d017931c | 2048 | encode_nops(&hdr); |
1da177e4 LT |
2049 | } |
2050 | ||
2051 | /* | |
2052 | * Encode an OPEN request with no attributes. | |
2053 | */ | |
9f06c719 CL |
2054 | static void nfs4_xdr_enc_open_noattr(struct rpc_rqst *req, |
2055 | struct xdr_stream *xdr, | |
2056 | struct nfs_openargs *args) | |
1da177e4 | 2057 | { |
1da177e4 | 2058 | struct compound_hdr hdr = { |
66cc0429 | 2059 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2060 | }; |
1da177e4 | 2061 | |
9f06c719 CL |
2062 | encode_compound_hdr(xdr, req, &hdr); |
2063 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2064 | encode_putfh(xdr, args->fh, &hdr); | |
2065 | encode_open(xdr, args, &hdr); | |
2066 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2067 | encode_nops(&hdr); |
1da177e4 LT |
2068 | } |
2069 | ||
2070 | /* | |
2071 | * Encode an OPEN_DOWNGRADE request | |
2072 | */ | |
9f06c719 CL |
2073 | static void nfs4_xdr_enc_open_downgrade(struct rpc_rqst *req, |
2074 | struct xdr_stream *xdr, | |
2075 | struct nfs_closeargs *args) | |
1da177e4 | 2076 | { |
1da177e4 | 2077 | struct compound_hdr hdr = { |
66cc0429 | 2078 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2079 | }; |
1da177e4 | 2080 | |
9f06c719 CL |
2081 | encode_compound_hdr(xdr, req, &hdr); |
2082 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2083 | encode_putfh(xdr, args->fh, &hdr); | |
2084 | encode_open_downgrade(xdr, args, &hdr); | |
2085 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2086 | encode_nops(&hdr); |
1da177e4 LT |
2087 | } |
2088 | ||
2089 | /* | |
2090 | * Encode a LOCK request | |
2091 | */ | |
9f06c719 CL |
2092 | static void nfs4_xdr_enc_lock(struct rpc_rqst *req, struct xdr_stream *xdr, |
2093 | struct nfs_lock_args *args) | |
1da177e4 | 2094 | { |
1da177e4 | 2095 | struct compound_hdr hdr = { |
66cc0429 | 2096 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2097 | }; |
1da177e4 | 2098 | |
9f06c719 CL |
2099 | encode_compound_hdr(xdr, req, &hdr); |
2100 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2101 | encode_putfh(xdr, args->fh, &hdr); | |
2102 | encode_lock(xdr, args, &hdr); | |
d017931c | 2103 | encode_nops(&hdr); |
1da177e4 LT |
2104 | } |
2105 | ||
2106 | /* | |
2107 | * Encode a LOCKT request | |
2108 | */ | |
9f06c719 CL |
2109 | static void nfs4_xdr_enc_lockt(struct rpc_rqst *req, struct xdr_stream *xdr, |
2110 | struct nfs_lockt_args *args) | |
1da177e4 | 2111 | { |
1da177e4 | 2112 | struct compound_hdr hdr = { |
66cc0429 | 2113 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2114 | }; |
1da177e4 | 2115 | |
9f06c719 CL |
2116 | encode_compound_hdr(xdr, req, &hdr); |
2117 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2118 | encode_putfh(xdr, args->fh, &hdr); | |
2119 | encode_lockt(xdr, args, &hdr); | |
d017931c | 2120 | encode_nops(&hdr); |
1da177e4 LT |
2121 | } |
2122 | ||
2123 | /* | |
2124 | * Encode a LOCKU request | |
2125 | */ | |
9f06c719 CL |
2126 | static void nfs4_xdr_enc_locku(struct rpc_rqst *req, struct xdr_stream *xdr, |
2127 | struct nfs_locku_args *args) | |
1da177e4 | 2128 | { |
1da177e4 | 2129 | struct compound_hdr hdr = { |
66cc0429 | 2130 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2131 | }; |
1da177e4 | 2132 | |
9f06c719 CL |
2133 | encode_compound_hdr(xdr, req, &hdr); |
2134 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2135 | encode_putfh(xdr, args->fh, &hdr); | |
2136 | encode_locku(xdr, args, &hdr); | |
d017931c | 2137 | encode_nops(&hdr); |
1da177e4 LT |
2138 | } |
2139 | ||
9f06c719 CL |
2140 | static void nfs4_xdr_enc_release_lockowner(struct rpc_rqst *req, |
2141 | struct xdr_stream *xdr, | |
2142 | struct nfs_release_lockowner_args *args) | |
d3c7b7cc | 2143 | { |
d3c7b7cc TM |
2144 | struct compound_hdr hdr = { |
2145 | .minorversion = 0, | |
2146 | }; | |
2147 | ||
9f06c719 CL |
2148 | encode_compound_hdr(xdr, req, &hdr); |
2149 | encode_release_lockowner(xdr, &args->lock_owner, &hdr); | |
d3c7b7cc | 2150 | encode_nops(&hdr); |
d3c7b7cc TM |
2151 | } |
2152 | ||
1da177e4 LT |
2153 | /* |
2154 | * Encode a READLINK request | |
2155 | */ | |
9f06c719 CL |
2156 | static void nfs4_xdr_enc_readlink(struct rpc_rqst *req, struct xdr_stream *xdr, |
2157 | const struct nfs4_readlink *args) | |
1da177e4 | 2158 | { |
1da177e4 | 2159 | struct compound_hdr hdr = { |
66cc0429 | 2160 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2161 | }; |
1da177e4 | 2162 | |
9f06c719 CL |
2163 | encode_compound_hdr(xdr, req, &hdr); |
2164 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2165 | encode_putfh(xdr, args->fh, &hdr); | |
2166 | encode_readlink(xdr, args, req, &hdr); | |
e3a535e1 | 2167 | |
28f56694 | 2168 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, |
e3a535e1 | 2169 | args->pgbase, args->pglen); |
d017931c | 2170 | encode_nops(&hdr); |
1da177e4 LT |
2171 | } |
2172 | ||
2173 | /* | |
2174 | * Encode a READDIR request | |
2175 | */ | |
9f06c719 CL |
2176 | static void nfs4_xdr_enc_readdir(struct rpc_rqst *req, struct xdr_stream *xdr, |
2177 | const struct nfs4_readdir_arg *args) | |
1da177e4 | 2178 | { |
1da177e4 | 2179 | struct compound_hdr hdr = { |
66cc0429 | 2180 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2181 | }; |
1da177e4 | 2182 | |
9f06c719 CL |
2183 | encode_compound_hdr(xdr, req, &hdr); |
2184 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2185 | encode_putfh(xdr, args->fh, &hdr); | |
2186 | encode_readdir(xdr, args, req, &hdr); | |
d6ac02df | 2187 | |
28f56694 | 2188 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, |
d6ac02df TM |
2189 | args->pgbase, args->count); |
2190 | dprintk("%s: inlined page args = (%u, %p, %u, %u)\n", | |
28f56694 | 2191 | __func__, hdr.replen << 2, args->pages, |
d6ac02df | 2192 | args->pgbase, args->count); |
d017931c | 2193 | encode_nops(&hdr); |
1da177e4 LT |
2194 | } |
2195 | ||
2196 | /* | |
2197 | * Encode a READ request | |
2198 | */ | |
9f06c719 CL |
2199 | static void nfs4_xdr_enc_read(struct rpc_rqst *req, struct xdr_stream *xdr, |
2200 | struct nfs_readargs *args) | |
1da177e4 | 2201 | { |
1da177e4 | 2202 | struct compound_hdr hdr = { |
66cc0429 | 2203 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2204 | }; |
1da177e4 | 2205 | |
9f06c719 CL |
2206 | encode_compound_hdr(xdr, req, &hdr); |
2207 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2208 | encode_putfh(xdr, args->fh, &hdr); | |
2209 | encode_read(xdr, args, &hdr); | |
1da177e4 | 2210 | |
28f56694 | 2211 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, |
1da177e4 | 2212 | args->pages, args->pgbase, args->count); |
4f22ccc3 | 2213 | req->rq_rcv_buf.flags |= XDRBUF_READ; |
d017931c | 2214 | encode_nops(&hdr); |
1da177e4 LT |
2215 | } |
2216 | ||
2217 | /* | |
2218 | * Encode an SETATTR request | |
2219 | */ | |
9f06c719 CL |
2220 | static void nfs4_xdr_enc_setattr(struct rpc_rqst *req, struct xdr_stream *xdr, |
2221 | struct nfs_setattrargs *args) | |
1da177e4 | 2222 | { |
05d564fe | 2223 | struct compound_hdr hdr = { |
66cc0429 | 2224 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 2225 | }; |
05d564fe | 2226 | |
9f06c719 CL |
2227 | encode_compound_hdr(xdr, req, &hdr); |
2228 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2229 | encode_putfh(xdr, args->fh, &hdr); | |
2230 | encode_setattr(xdr, args, args->server, &hdr); | |
2231 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2232 | encode_nops(&hdr); |
1da177e4 LT |
2233 | } |
2234 | ||
029d105e BF |
2235 | /* |
2236 | * Encode a GETACL request | |
2237 | */ | |
9f06c719 CL |
2238 | static void nfs4_xdr_enc_getacl(struct rpc_rqst *req, struct xdr_stream *xdr, |
2239 | struct nfs_getaclargs *args) | |
029d105e | 2240 | { |
029d105e | 2241 | struct compound_hdr hdr = { |
66cc0429 | 2242 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
029d105e | 2243 | }; |
28f56694 | 2244 | uint32_t replen; |
029d105e | 2245 | |
9f06c719 CL |
2246 | encode_compound_hdr(xdr, req, &hdr); |
2247 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2248 | encode_putfh(xdr, args->fh, &hdr); | |
d327cf74 | 2249 | replen = hdr.replen + op_decode_hdr_maxsz + nfs4_fattr_bitmap_maxsz + 1; |
9f06c719 | 2250 | encode_getattr_two(xdr, FATTR4_WORD0_ACL, 0, &hdr); |
cf8cdbe5 | 2251 | |
28f56694 | 2252 | xdr_inline_pages(&req->rq_rcv_buf, replen << 2, |
029d105e | 2253 | args->acl_pages, args->acl_pgbase, args->acl_len); |
d017931c | 2254 | encode_nops(&hdr); |
029d105e BF |
2255 | } |
2256 | ||
1da177e4 LT |
2257 | /* |
2258 | * Encode a WRITE request | |
2259 | */ | |
9f06c719 CL |
2260 | static void nfs4_xdr_enc_write(struct rpc_rqst *req, struct xdr_stream *xdr, |
2261 | struct nfs_writeargs *args) | |
1da177e4 | 2262 | { |
1da177e4 | 2263 | struct compound_hdr hdr = { |
66cc0429 | 2264 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2265 | }; |
1da177e4 | 2266 | |
9f06c719 CL |
2267 | encode_compound_hdr(xdr, req, &hdr); |
2268 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2269 | encode_putfh(xdr, args->fh, &hdr); | |
2270 | encode_write(xdr, args, &hdr); | |
4f22ccc3 | 2271 | req->rq_snd_buf.flags |= XDRBUF_WRITE; |
9f06c719 | 2272 | encode_getfattr(xdr, args->bitmask, &hdr); |
d017931c | 2273 | encode_nops(&hdr); |
1da177e4 LT |
2274 | } |
2275 | ||
2276 | /* | |
2277 | * a COMMIT request | |
2278 | */ | |
9f06c719 CL |
2279 | static void nfs4_xdr_enc_commit(struct rpc_rqst *req, struct xdr_stream *xdr, |
2280 | struct nfs_writeargs *args) | |
1da177e4 | 2281 | { |
1da177e4 | 2282 | struct compound_hdr hdr = { |
66cc0429 | 2283 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2284 | }; |
1da177e4 | 2285 | |
9f06c719 CL |
2286 | encode_compound_hdr(xdr, req, &hdr); |
2287 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2288 | encode_putfh(xdr, args->fh, &hdr); | |
2289 | encode_commit(xdr, args, &hdr); | |
2290 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2291 | encode_nops(&hdr); |
1da177e4 LT |
2292 | } |
2293 | ||
2294 | /* | |
2295 | * FSINFO request | |
2296 | */ | |
9f06c719 CL |
2297 | static void nfs4_xdr_enc_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, |
2298 | struct nfs4_fsinfo_arg *args) | |
1da177e4 | 2299 | { |
1da177e4 | 2300 | struct compound_hdr hdr = { |
66cc0429 | 2301 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2302 | }; |
1da177e4 | 2303 | |
9f06c719 CL |
2304 | encode_compound_hdr(xdr, req, &hdr); |
2305 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2306 | encode_putfh(xdr, args->fh, &hdr); | |
2307 | encode_fsinfo(xdr, args->bitmask, &hdr); | |
d017931c | 2308 | encode_nops(&hdr); |
1da177e4 LT |
2309 | } |
2310 | ||
2311 | /* | |
2312 | * a PATHCONF request | |
2313 | */ | |
9f06c719 CL |
2314 | static void nfs4_xdr_enc_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, |
2315 | const struct nfs4_pathconf_arg *args) | |
1da177e4 | 2316 | { |
1da177e4 | 2317 | struct compound_hdr hdr = { |
66cc0429 | 2318 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2319 | }; |
1da177e4 | 2320 | |
9f06c719 CL |
2321 | encode_compound_hdr(xdr, req, &hdr); |
2322 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2323 | encode_putfh(xdr, args->fh, &hdr); | |
2324 | encode_getattr_one(xdr, args->bitmask[0] & nfs4_pathconf_bitmap[0], | |
cf8cdbe5 | 2325 | &hdr); |
d017931c | 2326 | encode_nops(&hdr); |
1da177e4 LT |
2327 | } |
2328 | ||
2329 | /* | |
2330 | * a STATFS request | |
2331 | */ | |
9f06c719 CL |
2332 | static void nfs4_xdr_enc_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, |
2333 | const struct nfs4_statfs_arg *args) | |
1da177e4 | 2334 | { |
1da177e4 | 2335 | struct compound_hdr hdr = { |
66cc0429 | 2336 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2337 | }; |
1da177e4 | 2338 | |
9f06c719 CL |
2339 | encode_compound_hdr(xdr, req, &hdr); |
2340 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2341 | encode_putfh(xdr, args->fh, &hdr); | |
2342 | encode_getattr_two(xdr, args->bitmask[0] & nfs4_statfs_bitmap[0], | |
cf8cdbe5 | 2343 | args->bitmask[1] & nfs4_statfs_bitmap[1], &hdr); |
d017931c | 2344 | encode_nops(&hdr); |
1da177e4 LT |
2345 | } |
2346 | ||
2347 | /* | |
2348 | * GETATTR_BITMAP request | |
2349 | */ | |
9f06c719 CL |
2350 | static void nfs4_xdr_enc_server_caps(struct rpc_rqst *req, |
2351 | struct xdr_stream *xdr, | |
2352 | struct nfs4_server_caps_arg *args) | |
1da177e4 | 2353 | { |
1da177e4 | 2354 | struct compound_hdr hdr = { |
66cc0429 | 2355 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2356 | }; |
1da177e4 | 2357 | |
9f06c719 CL |
2358 | encode_compound_hdr(xdr, req, &hdr); |
2359 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2360 | encode_putfh(xdr, args->fhandle, &hdr); | |
2361 | encode_getattr_one(xdr, FATTR4_WORD0_SUPPORTED_ATTRS| | |
cf8cdbe5 AA |
2362 | FATTR4_WORD0_LINK_SUPPORT| |
2363 | FATTR4_WORD0_SYMLINK_SUPPORT| | |
2364 | FATTR4_WORD0_ACLSUPPORT, &hdr); | |
d017931c | 2365 | encode_nops(&hdr); |
1da177e4 LT |
2366 | } |
2367 | ||
2368 | /* | |
2369 | * a RENEW request | |
2370 | */ | |
9f06c719 CL |
2371 | static void nfs4_xdr_enc_renew(struct rpc_rqst *req, struct xdr_stream *xdr, |
2372 | struct nfs_client *clp) | |
1da177e4 | 2373 | { |
1da177e4 | 2374 | struct compound_hdr hdr = { |
d017931c | 2375 | .nops = 0, |
1da177e4 LT |
2376 | }; |
2377 | ||
9f06c719 CL |
2378 | encode_compound_hdr(xdr, req, &hdr); |
2379 | encode_renew(xdr, clp, &hdr); | |
d017931c | 2380 | encode_nops(&hdr); |
1da177e4 LT |
2381 | } |
2382 | ||
2383 | /* | |
2384 | * a SETCLIENTID request | |
2385 | */ | |
9f06c719 CL |
2386 | static void nfs4_xdr_enc_setclientid(struct rpc_rqst *req, |
2387 | struct xdr_stream *xdr, | |
2388 | struct nfs4_setclientid *sc) | |
1da177e4 | 2389 | { |
1da177e4 | 2390 | struct compound_hdr hdr = { |
d017931c | 2391 | .nops = 0, |
1da177e4 LT |
2392 | }; |
2393 | ||
9f06c719 CL |
2394 | encode_compound_hdr(xdr, req, &hdr); |
2395 | encode_setclientid(xdr, sc, &hdr); | |
d017931c | 2396 | encode_nops(&hdr); |
1da177e4 LT |
2397 | } |
2398 | ||
2399 | /* | |
2400 | * a SETCLIENTID_CONFIRM request | |
2401 | */ | |
9f06c719 CL |
2402 | static void nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, |
2403 | struct xdr_stream *xdr, | |
2404 | struct nfs4_setclientid_res *arg) | |
1da177e4 | 2405 | { |
1da177e4 | 2406 | struct compound_hdr hdr = { |
d017931c | 2407 | .nops = 0, |
1da177e4 LT |
2408 | }; |
2409 | const u32 lease_bitmap[2] = { FATTR4_WORD0_LEASE_TIME, 0 }; | |
1da177e4 | 2410 | |
9f06c719 CL |
2411 | encode_compound_hdr(xdr, req, &hdr); |
2412 | encode_setclientid_confirm(xdr, arg, &hdr); | |
2413 | encode_putrootfh(xdr, &hdr); | |
2414 | encode_fsinfo(xdr, lease_bitmap, &hdr); | |
d017931c | 2415 | encode_nops(&hdr); |
1da177e4 LT |
2416 | } |
2417 | ||
2418 | /* | |
2419 | * DELEGRETURN request | |
2420 | */ | |
9f06c719 CL |
2421 | static void nfs4_xdr_enc_delegreturn(struct rpc_rqst *req, |
2422 | struct xdr_stream *xdr, | |
2423 | const struct nfs4_delegreturnargs *args) | |
1da177e4 | 2424 | { |
1da177e4 | 2425 | struct compound_hdr hdr = { |
66cc0429 | 2426 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2427 | }; |
1da177e4 | 2428 | |
9f06c719 CL |
2429 | encode_compound_hdr(xdr, req, &hdr); |
2430 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2431 | encode_putfh(xdr, args->fhandle, &hdr); | |
2432 | encode_delegreturn(xdr, args->stateid, &hdr); | |
2433 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2434 | encode_nops(&hdr); |
1da177e4 LT |
2435 | } |
2436 | ||
683b57b4 TM |
2437 | /* |
2438 | * Encode FS_LOCATIONS request | |
2439 | */ | |
9f06c719 CL |
2440 | static void nfs4_xdr_enc_fs_locations(struct rpc_rqst *req, |
2441 | struct xdr_stream *xdr, | |
2442 | struct nfs4_fs_locations_arg *args) | |
683b57b4 | 2443 | { |
683b57b4 | 2444 | struct compound_hdr hdr = { |
66cc0429 | 2445 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
683b57b4 | 2446 | }; |
28f56694 | 2447 | uint32_t replen; |
683b57b4 | 2448 | |
9f06c719 CL |
2449 | encode_compound_hdr(xdr, req, &hdr); |
2450 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2451 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2452 | encode_lookup(xdr, args->name, &hdr); | |
28f56694 | 2453 | replen = hdr.replen; /* get the attribute into args->page */ |
9f06c719 | 2454 | encode_fs_locations(xdr, args->bitmask, &hdr); |
cf8cdbe5 | 2455 | |
28f56694 | 2456 | xdr_inline_pages(&req->rq_rcv_buf, replen << 2, &args->page, |
683b57b4 | 2457 | 0, PAGE_SIZE); |
d017931c | 2458 | encode_nops(&hdr); |
683b57b4 TM |
2459 | } |
2460 | ||
99fe60d0 BH |
2461 | #if defined(CONFIG_NFS_V4_1) |
2462 | /* | |
2463 | * EXCHANGE_ID request | |
2464 | */ | |
9f06c719 CL |
2465 | static void nfs4_xdr_enc_exchange_id(struct rpc_rqst *req, |
2466 | struct xdr_stream *xdr, | |
2467 | struct nfs41_exchange_id_args *args) | |
99fe60d0 | 2468 | { |
99fe60d0 | 2469 | struct compound_hdr hdr = { |
a4432345 | 2470 | .minorversion = args->client->cl_mvops->minor_version, |
99fe60d0 BH |
2471 | }; |
2472 | ||
9f06c719 CL |
2473 | encode_compound_hdr(xdr, req, &hdr); |
2474 | encode_exchange_id(xdr, args, &hdr); | |
99fe60d0 | 2475 | encode_nops(&hdr); |
99fe60d0 | 2476 | } |
2050f0cc | 2477 | |
fc931582 AA |
2478 | /* |
2479 | * a CREATE_SESSION request | |
2480 | */ | |
9f06c719 CL |
2481 | static void nfs4_xdr_enc_create_session(struct rpc_rqst *req, |
2482 | struct xdr_stream *xdr, | |
2483 | struct nfs41_create_session_args *args) | |
fc931582 | 2484 | { |
fc931582 | 2485 | struct compound_hdr hdr = { |
a4432345 | 2486 | .minorversion = args->client->cl_mvops->minor_version, |
fc931582 AA |
2487 | }; |
2488 | ||
9f06c719 CL |
2489 | encode_compound_hdr(xdr, req, &hdr); |
2490 | encode_create_session(xdr, args, &hdr); | |
fc931582 | 2491 | encode_nops(&hdr); |
fc931582 AA |
2492 | } |
2493 | ||
0f3e66c6 AA |
2494 | /* |
2495 | * a DESTROY_SESSION request | |
2496 | */ | |
9f06c719 CL |
2497 | static void nfs4_xdr_enc_destroy_session(struct rpc_rqst *req, |
2498 | struct xdr_stream *xdr, | |
2499 | struct nfs4_session *session) | |
0f3e66c6 | 2500 | { |
0f3e66c6 | 2501 | struct compound_hdr hdr = { |
a4432345 | 2502 | .minorversion = session->clp->cl_mvops->minor_version, |
0f3e66c6 AA |
2503 | }; |
2504 | ||
9f06c719 CL |
2505 | encode_compound_hdr(xdr, req, &hdr); |
2506 | encode_destroy_session(xdr, session, &hdr); | |
0f3e66c6 | 2507 | encode_nops(&hdr); |
0f3e66c6 AA |
2508 | } |
2509 | ||
fc01cea9 AA |
2510 | /* |
2511 | * a SEQUENCE request | |
2512 | */ | |
9f06c719 CL |
2513 | static void nfs4_xdr_enc_sequence(struct rpc_rqst *req, struct xdr_stream *xdr, |
2514 | struct nfs4_sequence_args *args) | |
fc01cea9 | 2515 | { |
fc01cea9 AA |
2516 | struct compound_hdr hdr = { |
2517 | .minorversion = nfs4_xdr_minorversion(args), | |
2518 | }; | |
2519 | ||
9f06c719 CL |
2520 | encode_compound_hdr(xdr, req, &hdr); |
2521 | encode_sequence(xdr, args, &hdr); | |
fc01cea9 | 2522 | encode_nops(&hdr); |
fc01cea9 AA |
2523 | } |
2524 | ||
2050f0cc AA |
2525 | /* |
2526 | * a GET_LEASE_TIME request | |
2527 | */ | |
9f06c719 CL |
2528 | static void nfs4_xdr_enc_get_lease_time(struct rpc_rqst *req, |
2529 | struct xdr_stream *xdr, | |
2530 | struct nfs4_get_lease_time_args *args) | |
2050f0cc | 2531 | { |
2050f0cc AA |
2532 | struct compound_hdr hdr = { |
2533 | .minorversion = nfs4_xdr_minorversion(&args->la_seq_args), | |
2534 | }; | |
2535 | const u32 lease_bitmap[2] = { FATTR4_WORD0_LEASE_TIME, 0 }; | |
2536 | ||
9f06c719 CL |
2537 | encode_compound_hdr(xdr, req, &hdr); |
2538 | encode_sequence(xdr, &args->la_seq_args, &hdr); | |
2539 | encode_putrootfh(xdr, &hdr); | |
2540 | encode_fsinfo(xdr, lease_bitmap, &hdr); | |
2050f0cc | 2541 | encode_nops(&hdr); |
2050f0cc | 2542 | } |
18019753 RL |
2543 | |
2544 | /* | |
2545 | * a RECLAIM_COMPLETE request | |
2546 | */ | |
9f06c719 CL |
2547 | static void nfs4_xdr_enc_reclaim_complete(struct rpc_rqst *req, |
2548 | struct xdr_stream *xdr, | |
2549 | struct nfs41_reclaim_complete_args *args) | |
18019753 | 2550 | { |
18019753 RL |
2551 | struct compound_hdr hdr = { |
2552 | .minorversion = nfs4_xdr_minorversion(&args->seq_args) | |
2553 | }; | |
2554 | ||
9f06c719 CL |
2555 | encode_compound_hdr(xdr, req, &hdr); |
2556 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2557 | encode_reclaim_complete(xdr, args, &hdr); | |
18019753 | 2558 | encode_nops(&hdr); |
18019753 RL |
2559 | } |
2560 | ||
b1f69b75 AA |
2561 | /* |
2562 | * Encode GETDEVICEINFO request | |
2563 | */ | |
9f06c719 CL |
2564 | static void nfs4_xdr_enc_getdeviceinfo(struct rpc_rqst *req, |
2565 | struct xdr_stream *xdr, | |
2566 | struct nfs4_getdeviceinfo_args *args) | |
b1f69b75 | 2567 | { |
b1f69b75 AA |
2568 | struct compound_hdr hdr = { |
2569 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2570 | }; | |
2571 | ||
9f06c719 CL |
2572 | encode_compound_hdr(xdr, req, &hdr); |
2573 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2574 | encode_getdeviceinfo(xdr, args, &hdr); | |
b1f69b75 AA |
2575 | |
2576 | /* set up reply kvec. Subtract notification bitmap max size (2) | |
2577 | * so that notification bitmap is put in xdr_buf tail */ | |
2578 | xdr_inline_pages(&req->rq_rcv_buf, (hdr.replen - 2) << 2, | |
2579 | args->pdev->pages, args->pdev->pgbase, | |
2580 | args->pdev->pglen); | |
2581 | ||
2582 | encode_nops(&hdr); | |
b1f69b75 AA |
2583 | } |
2584 | ||
2585 | /* | |
2586 | * Encode LAYOUTGET request | |
2587 | */ | |
9f06c719 CL |
2588 | static void nfs4_xdr_enc_layoutget(struct rpc_rqst *req, |
2589 | struct xdr_stream *xdr, | |
2590 | struct nfs4_layoutget_args *args) | |
b1f69b75 | 2591 | { |
b1f69b75 AA |
2592 | struct compound_hdr hdr = { |
2593 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2594 | }; | |
2595 | ||
9f06c719 CL |
2596 | encode_compound_hdr(xdr, req, &hdr); |
2597 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2598 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
2599 | encode_layoutget(xdr, args, &hdr); | |
b1f69b75 | 2600 | encode_nops(&hdr); |
b1f69b75 | 2601 | } |
99fe60d0 BH |
2602 | #endif /* CONFIG_NFS_V4_1 */ |
2603 | ||
686841b3 BH |
2604 | static void print_overflow_msg(const char *func, const struct xdr_stream *xdr) |
2605 | { | |
2606 | dprintk("nfs: %s: prematurely hit end of receive buffer. " | |
2607 | "Remaining buffer length is %tu words.\n", | |
2608 | func, xdr->end - xdr->p); | |
2609 | } | |
1da177e4 | 2610 | |
683b57b4 | 2611 | static int decode_opaque_inline(struct xdr_stream *xdr, unsigned int *len, char **string) |
1da177e4 | 2612 | { |
8687b63a | 2613 | __be32 *p; |
1da177e4 | 2614 | |
c0eae66e BH |
2615 | p = xdr_inline_decode(xdr, 4); |
2616 | if (unlikely(!p)) | |
2617 | goto out_overflow; | |
cccddf4f | 2618 | *len = be32_to_cpup(p); |
c0eae66e BH |
2619 | p = xdr_inline_decode(xdr, *len); |
2620 | if (unlikely(!p)) | |
2621 | goto out_overflow; | |
1da177e4 LT |
2622 | *string = (char *)p; |
2623 | return 0; | |
c0eae66e BH |
2624 | out_overflow: |
2625 | print_overflow_msg(__func__, xdr); | |
2626 | return -EIO; | |
1da177e4 LT |
2627 | } |
2628 | ||
2629 | static int decode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr) | |
2630 | { | |
8687b63a | 2631 | __be32 *p; |
1da177e4 | 2632 | |
c0eae66e BH |
2633 | p = xdr_inline_decode(xdr, 8); |
2634 | if (unlikely(!p)) | |
2635 | goto out_overflow; | |
6f723f77 | 2636 | hdr->status = be32_to_cpup(p++); |
cccddf4f | 2637 | hdr->taglen = be32_to_cpup(p); |
6c0195a4 | 2638 | |
c0eae66e BH |
2639 | p = xdr_inline_decode(xdr, hdr->taglen + 4); |
2640 | if (unlikely(!p)) | |
2641 | goto out_overflow; | |
1da177e4 LT |
2642 | hdr->tag = (char *)p; |
2643 | p += XDR_QUADLEN(hdr->taglen); | |
cccddf4f | 2644 | hdr->nops = be32_to_cpup(p); |
aadf6152 BH |
2645 | if (unlikely(hdr->nops < 1)) |
2646 | return nfs4_stat_to_errno(hdr->status); | |
1da177e4 | 2647 | return 0; |
c0eae66e BH |
2648 | out_overflow: |
2649 | print_overflow_msg(__func__, xdr); | |
2650 | return -EIO; | |
1da177e4 LT |
2651 | } |
2652 | ||
2653 | static int decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected) | |
2654 | { | |
8687b63a | 2655 | __be32 *p; |
1da177e4 LT |
2656 | uint32_t opnum; |
2657 | int32_t nfserr; | |
2658 | ||
c0eae66e BH |
2659 | p = xdr_inline_decode(xdr, 8); |
2660 | if (unlikely(!p)) | |
2661 | goto out_overflow; | |
6f723f77 | 2662 | opnum = be32_to_cpup(p++); |
1da177e4 | 2663 | if (opnum != expected) { |
fe82a183 CL |
2664 | dprintk("nfs: Server returned operation" |
2665 | " %d but we issued a request for %d\n", | |
1da177e4 LT |
2666 | opnum, expected); |
2667 | return -EIO; | |
2668 | } | |
cccddf4f | 2669 | nfserr = be32_to_cpup(p); |
1da177e4 | 2670 | if (nfserr != NFS_OK) |
856dff3d | 2671 | return nfs4_stat_to_errno(nfserr); |
1da177e4 | 2672 | return 0; |
c0eae66e BH |
2673 | out_overflow: |
2674 | print_overflow_msg(__func__, xdr); | |
2675 | return -EIO; | |
1da177e4 LT |
2676 | } |
2677 | ||
2678 | /* Dummy routine */ | |
adfa6f98 | 2679 | static int decode_ace(struct xdr_stream *xdr, void *ace, struct nfs_client *clp) |
1da177e4 | 2680 | { |
8687b63a | 2681 | __be32 *p; |
683b57b4 | 2682 | unsigned int strlen; |
1da177e4 LT |
2683 | char *str; |
2684 | ||
c0eae66e BH |
2685 | p = xdr_inline_decode(xdr, 12); |
2686 | if (likely(p)) | |
2687 | return decode_opaque_inline(xdr, &strlen, &str); | |
2688 | print_overflow_msg(__func__, xdr); | |
2689 | return -EIO; | |
1da177e4 LT |
2690 | } |
2691 | ||
2692 | static int decode_attr_bitmap(struct xdr_stream *xdr, uint32_t *bitmap) | |
2693 | { | |
8687b63a AV |
2694 | uint32_t bmlen; |
2695 | __be32 *p; | |
1da177e4 | 2696 | |
c0eae66e BH |
2697 | p = xdr_inline_decode(xdr, 4); |
2698 | if (unlikely(!p)) | |
2699 | goto out_overflow; | |
cccddf4f | 2700 | bmlen = be32_to_cpup(p); |
1da177e4 LT |
2701 | |
2702 | bitmap[0] = bitmap[1] = 0; | |
c0eae66e BH |
2703 | p = xdr_inline_decode(xdr, (bmlen << 2)); |
2704 | if (unlikely(!p)) | |
2705 | goto out_overflow; | |
1da177e4 | 2706 | if (bmlen > 0) { |
6f723f77 | 2707 | bitmap[0] = be32_to_cpup(p++); |
1da177e4 | 2708 | if (bmlen > 1) |
cccddf4f | 2709 | bitmap[1] = be32_to_cpup(p); |
1da177e4 LT |
2710 | } |
2711 | return 0; | |
c0eae66e BH |
2712 | out_overflow: |
2713 | print_overflow_msg(__func__, xdr); | |
2714 | return -EIO; | |
1da177e4 LT |
2715 | } |
2716 | ||
8687b63a | 2717 | static inline int decode_attr_length(struct xdr_stream *xdr, uint32_t *attrlen, __be32 **savep) |
1da177e4 | 2718 | { |
8687b63a | 2719 | __be32 *p; |
1da177e4 | 2720 | |
c0eae66e BH |
2721 | p = xdr_inline_decode(xdr, 4); |
2722 | if (unlikely(!p)) | |
2723 | goto out_overflow; | |
cccddf4f | 2724 | *attrlen = be32_to_cpup(p); |
1da177e4 LT |
2725 | *savep = xdr->p; |
2726 | return 0; | |
c0eae66e BH |
2727 | out_overflow: |
2728 | print_overflow_msg(__func__, xdr); | |
2729 | return -EIO; | |
1da177e4 LT |
2730 | } |
2731 | ||
2732 | static int decode_attr_supported(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *bitmask) | |
2733 | { | |
2734 | if (likely(bitmap[0] & FATTR4_WORD0_SUPPORTED_ATTRS)) { | |
3388bff5 RB |
2735 | int ret; |
2736 | ret = decode_attr_bitmap(xdr, bitmask); | |
2737 | if (unlikely(ret < 0)) | |
2738 | return ret; | |
1da177e4 LT |
2739 | bitmap[0] &= ~FATTR4_WORD0_SUPPORTED_ATTRS; |
2740 | } else | |
2741 | bitmask[0] = bitmask[1] = 0; | |
44109241 | 2742 | dprintk("%s: bitmask=%08x:%08x\n", __func__, bitmask[0], bitmask[1]); |
1da177e4 LT |
2743 | return 0; |
2744 | } | |
2745 | ||
2746 | static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *type) | |
2747 | { | |
8687b63a | 2748 | __be32 *p; |
409924e4 | 2749 | int ret = 0; |
1da177e4 LT |
2750 | |
2751 | *type = 0; | |
2752 | if (unlikely(bitmap[0] & (FATTR4_WORD0_TYPE - 1U))) | |
2753 | return -EIO; | |
2754 | if (likely(bitmap[0] & FATTR4_WORD0_TYPE)) { | |
c0eae66e BH |
2755 | p = xdr_inline_decode(xdr, 4); |
2756 | if (unlikely(!p)) | |
2757 | goto out_overflow; | |
cccddf4f | 2758 | *type = be32_to_cpup(p); |
1da177e4 | 2759 | if (*type < NF4REG || *type > NF4NAMEDATTR) { |
3110ff80 | 2760 | dprintk("%s: bad type %d\n", __func__, *type); |
1da177e4 LT |
2761 | return -EIO; |
2762 | } | |
2763 | bitmap[0] &= ~FATTR4_WORD0_TYPE; | |
409924e4 | 2764 | ret = NFS_ATTR_FATTR_TYPE; |
1da177e4 | 2765 | } |
bca79478 | 2766 | dprintk("%s: type=0%o\n", __func__, nfs_type2fmt[*type]); |
409924e4 | 2767 | return ret; |
c0eae66e BH |
2768 | out_overflow: |
2769 | print_overflow_msg(__func__, xdr); | |
2770 | return -EIO; | |
1da177e4 LT |
2771 | } |
2772 | ||
2773 | static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *change) | |
2774 | { | |
8687b63a | 2775 | __be32 *p; |
409924e4 | 2776 | int ret = 0; |
1da177e4 LT |
2777 | |
2778 | *change = 0; | |
2779 | if (unlikely(bitmap[0] & (FATTR4_WORD0_CHANGE - 1U))) | |
2780 | return -EIO; | |
2781 | if (likely(bitmap[0] & FATTR4_WORD0_CHANGE)) { | |
c0eae66e BH |
2782 | p = xdr_inline_decode(xdr, 8); |
2783 | if (unlikely(!p)) | |
2784 | goto out_overflow; | |
cccddf4f | 2785 | xdr_decode_hyper(p, change); |
1da177e4 | 2786 | bitmap[0] &= ~FATTR4_WORD0_CHANGE; |
409924e4 | 2787 | ret = NFS_ATTR_FATTR_CHANGE; |
1da177e4 | 2788 | } |
3110ff80 | 2789 | dprintk("%s: change attribute=%Lu\n", __func__, |
1da177e4 | 2790 | (unsigned long long)*change); |
409924e4 | 2791 | return ret; |
c0eae66e BH |
2792 | out_overflow: |
2793 | print_overflow_msg(__func__, xdr); | |
2794 | return -EIO; | |
1da177e4 LT |
2795 | } |
2796 | ||
2797 | static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *size) | |
2798 | { | |
8687b63a | 2799 | __be32 *p; |
409924e4 | 2800 | int ret = 0; |
1da177e4 LT |
2801 | |
2802 | *size = 0; | |
2803 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SIZE - 1U))) | |
2804 | return -EIO; | |
2805 | if (likely(bitmap[0] & FATTR4_WORD0_SIZE)) { | |
c0eae66e BH |
2806 | p = xdr_inline_decode(xdr, 8); |
2807 | if (unlikely(!p)) | |
2808 | goto out_overflow; | |
cccddf4f | 2809 | xdr_decode_hyper(p, size); |
1da177e4 | 2810 | bitmap[0] &= ~FATTR4_WORD0_SIZE; |
409924e4 | 2811 | ret = NFS_ATTR_FATTR_SIZE; |
1da177e4 | 2812 | } |
3110ff80 | 2813 | dprintk("%s: file size=%Lu\n", __func__, (unsigned long long)*size); |
409924e4 | 2814 | return ret; |
c0eae66e BH |
2815 | out_overflow: |
2816 | print_overflow_msg(__func__, xdr); | |
2817 | return -EIO; | |
1da177e4 LT |
2818 | } |
2819 | ||
2820 | static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
2821 | { | |
8687b63a | 2822 | __be32 *p; |
1da177e4 LT |
2823 | |
2824 | *res = 0; | |
2825 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LINK_SUPPORT - 1U))) | |
2826 | return -EIO; | |
2827 | if (likely(bitmap[0] & FATTR4_WORD0_LINK_SUPPORT)) { | |
c0eae66e BH |
2828 | p = xdr_inline_decode(xdr, 4); |
2829 | if (unlikely(!p)) | |
2830 | goto out_overflow; | |
cccddf4f | 2831 | *res = be32_to_cpup(p); |
1da177e4 LT |
2832 | bitmap[0] &= ~FATTR4_WORD0_LINK_SUPPORT; |
2833 | } | |
3110ff80 | 2834 | dprintk("%s: link support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 | 2835 | return 0; |
c0eae66e BH |
2836 | out_overflow: |
2837 | print_overflow_msg(__func__, xdr); | |
2838 | return -EIO; | |
1da177e4 LT |
2839 | } |
2840 | ||
2841 | static int decode_attr_symlink_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
2842 | { | |
8687b63a | 2843 | __be32 *p; |
1da177e4 LT |
2844 | |
2845 | *res = 0; | |
2846 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SYMLINK_SUPPORT - 1U))) | |
2847 | return -EIO; | |
2848 | if (likely(bitmap[0] & FATTR4_WORD0_SYMLINK_SUPPORT)) { | |
c0eae66e BH |
2849 | p = xdr_inline_decode(xdr, 4); |
2850 | if (unlikely(!p)) | |
2851 | goto out_overflow; | |
cccddf4f | 2852 | *res = be32_to_cpup(p); |
1da177e4 LT |
2853 | bitmap[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT; |
2854 | } | |
3110ff80 | 2855 | dprintk("%s: symlink support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 | 2856 | return 0; |
c0eae66e BH |
2857 | out_overflow: |
2858 | print_overflow_msg(__func__, xdr); | |
2859 | return -EIO; | |
1da177e4 LT |
2860 | } |
2861 | ||
8b4bdcf8 | 2862 | static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fsid *fsid) |
1da177e4 | 2863 | { |
8687b63a | 2864 | __be32 *p; |
409924e4 | 2865 | int ret = 0; |
1da177e4 LT |
2866 | |
2867 | fsid->major = 0; | |
2868 | fsid->minor = 0; | |
2869 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FSID - 1U))) | |
2870 | return -EIO; | |
2871 | if (likely(bitmap[0] & FATTR4_WORD0_FSID)) { | |
c0eae66e BH |
2872 | p = xdr_inline_decode(xdr, 16); |
2873 | if (unlikely(!p)) | |
2874 | goto out_overflow; | |
3ceb4dbb | 2875 | p = xdr_decode_hyper(p, &fsid->major); |
cccddf4f | 2876 | xdr_decode_hyper(p, &fsid->minor); |
1da177e4 | 2877 | bitmap[0] &= ~FATTR4_WORD0_FSID; |
409924e4 | 2878 | ret = NFS_ATTR_FATTR_FSID; |
1da177e4 | 2879 | } |
3110ff80 | 2880 | dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __func__, |
1da177e4 LT |
2881 | (unsigned long long)fsid->major, |
2882 | (unsigned long long)fsid->minor); | |
409924e4 | 2883 | return ret; |
c0eae66e BH |
2884 | out_overflow: |
2885 | print_overflow_msg(__func__, xdr); | |
2886 | return -EIO; | |
1da177e4 LT |
2887 | } |
2888 | ||
2889 | static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
2890 | { | |
8687b63a | 2891 | __be32 *p; |
1da177e4 LT |
2892 | |
2893 | *res = 60; | |
2894 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LEASE_TIME - 1U))) | |
2895 | return -EIO; | |
2896 | if (likely(bitmap[0] & FATTR4_WORD0_LEASE_TIME)) { | |
c0eae66e BH |
2897 | p = xdr_inline_decode(xdr, 4); |
2898 | if (unlikely(!p)) | |
2899 | goto out_overflow; | |
cccddf4f | 2900 | *res = be32_to_cpup(p); |
1da177e4 LT |
2901 | bitmap[0] &= ~FATTR4_WORD0_LEASE_TIME; |
2902 | } | |
3110ff80 | 2903 | dprintk("%s: file size=%u\n", __func__, (unsigned int)*res); |
1da177e4 | 2904 | return 0; |
c0eae66e BH |
2905 | out_overflow: |
2906 | print_overflow_msg(__func__, xdr); | |
2907 | return -EIO; | |
1da177e4 LT |
2908 | } |
2909 | ||
ae42c70a BS |
2910 | static int decode_attr_error(struct xdr_stream *xdr, uint32_t *bitmap) |
2911 | { | |
2912 | __be32 *p; | |
2913 | ||
2914 | if (unlikely(bitmap[0] & (FATTR4_WORD0_RDATTR_ERROR - 1U))) | |
2915 | return -EIO; | |
2916 | if (likely(bitmap[0] & FATTR4_WORD0_RDATTR_ERROR)) { | |
2917 | p = xdr_inline_decode(xdr, 4); | |
2918 | if (unlikely(!p)) | |
2919 | goto out_overflow; | |
2920 | bitmap[0] &= ~FATTR4_WORD0_RDATTR_ERROR; | |
2921 | } | |
2922 | return 0; | |
2923 | out_overflow: | |
2924 | print_overflow_msg(__func__, xdr); | |
2925 | return -EIO; | |
2926 | } | |
2927 | ||
2928 | static int decode_attr_filehandle(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fh *fh) | |
2929 | { | |
2930 | __be32 *p; | |
2931 | int len; | |
2932 | ||
7ad07353 TM |
2933 | if (fh != NULL) |
2934 | memset(fh, 0, sizeof(*fh)); | |
ae42c70a BS |
2935 | |
2936 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEHANDLE - 1U))) | |
2937 | return -EIO; | |
2938 | if (likely(bitmap[0] & FATTR4_WORD0_FILEHANDLE)) { | |
2939 | p = xdr_inline_decode(xdr, 4); | |
2940 | if (unlikely(!p)) | |
2941 | goto out_overflow; | |
2942 | len = be32_to_cpup(p); | |
2943 | if (len > NFS4_FHSIZE) | |
2944 | return -EIO; | |
ae42c70a BS |
2945 | p = xdr_inline_decode(xdr, len); |
2946 | if (unlikely(!p)) | |
2947 | goto out_overflow; | |
7ad07353 TM |
2948 | if (fh != NULL) { |
2949 | memcpy(fh->data, p, len); | |
2950 | fh->size = len; | |
2951 | } | |
ae42c70a BS |
2952 | bitmap[0] &= ~FATTR4_WORD0_FILEHANDLE; |
2953 | } | |
2954 | return 0; | |
2955 | out_overflow: | |
2956 | print_overflow_msg(__func__, xdr); | |
2957 | return -EIO; | |
2958 | } | |
2959 | ||
1da177e4 LT |
2960 | static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) |
2961 | { | |
8687b63a | 2962 | __be32 *p; |
1da177e4 LT |
2963 | |
2964 | *res = ACL4_SUPPORT_ALLOW_ACL|ACL4_SUPPORT_DENY_ACL; | |
2965 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACLSUPPORT - 1U))) | |
2966 | return -EIO; | |
2967 | if (likely(bitmap[0] & FATTR4_WORD0_ACLSUPPORT)) { | |
c0eae66e BH |
2968 | p = xdr_inline_decode(xdr, 4); |
2969 | if (unlikely(!p)) | |
2970 | goto out_overflow; | |
cccddf4f | 2971 | *res = be32_to_cpup(p); |
1da177e4 LT |
2972 | bitmap[0] &= ~FATTR4_WORD0_ACLSUPPORT; |
2973 | } | |
3110ff80 | 2974 | dprintk("%s: ACLs supported=%u\n", __func__, (unsigned int)*res); |
1da177e4 | 2975 | return 0; |
c0eae66e BH |
2976 | out_overflow: |
2977 | print_overflow_msg(__func__, xdr); | |
2978 | return -EIO; | |
1da177e4 LT |
2979 | } |
2980 | ||
2981 | static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) | |
2982 | { | |
8687b63a | 2983 | __be32 *p; |
409924e4 | 2984 | int ret = 0; |
1da177e4 LT |
2985 | |
2986 | *fileid = 0; | |
2987 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEID - 1U))) | |
2988 | return -EIO; | |
2989 | if (likely(bitmap[0] & FATTR4_WORD0_FILEID)) { | |
c0eae66e BH |
2990 | p = xdr_inline_decode(xdr, 8); |
2991 | if (unlikely(!p)) | |
2992 | goto out_overflow; | |
cccddf4f | 2993 | xdr_decode_hyper(p, fileid); |
1da177e4 | 2994 | bitmap[0] &= ~FATTR4_WORD0_FILEID; |
409924e4 | 2995 | ret = NFS_ATTR_FATTR_FILEID; |
1da177e4 | 2996 | } |
3110ff80 | 2997 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
409924e4 | 2998 | return ret; |
c0eae66e BH |
2999 | out_overflow: |
3000 | print_overflow_msg(__func__, xdr); | |
3001 | return -EIO; | |
1da177e4 LT |
3002 | } |
3003 | ||
99baf625 MN |
3004 | static int decode_attr_mounted_on_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) |
3005 | { | |
8687b63a | 3006 | __be32 *p; |
409924e4 | 3007 | int ret = 0; |
99baf625 MN |
3008 | |
3009 | *fileid = 0; | |
3010 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MOUNTED_ON_FILEID - 1U))) | |
3011 | return -EIO; | |
3012 | if (likely(bitmap[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) { | |
c0eae66e BH |
3013 | p = xdr_inline_decode(xdr, 8); |
3014 | if (unlikely(!p)) | |
3015 | goto out_overflow; | |
cccddf4f | 3016 | xdr_decode_hyper(p, fileid); |
99baf625 | 3017 | bitmap[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID; |
409924e4 | 3018 | ret = NFS_ATTR_FATTR_FILEID; |
99baf625 | 3019 | } |
3110ff80 | 3020 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
409924e4 | 3021 | return ret; |
c0eae66e BH |
3022 | out_overflow: |
3023 | print_overflow_msg(__func__, xdr); | |
3024 | return -EIO; | |
99baf625 MN |
3025 | } |
3026 | ||
1da177e4 LT |
3027 | static int decode_attr_files_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
3028 | { | |
8687b63a | 3029 | __be32 *p; |
1da177e4 LT |
3030 | int status = 0; |
3031 | ||
3032 | *res = 0; | |
3033 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_AVAIL - 1U))) | |
3034 | return -EIO; | |
3035 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_AVAIL)) { | |
c0eae66e BH |
3036 | p = xdr_inline_decode(xdr, 8); |
3037 | if (unlikely(!p)) | |
3038 | goto out_overflow; | |
cccddf4f | 3039 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3040 | bitmap[0] &= ~FATTR4_WORD0_FILES_AVAIL; |
3041 | } | |
3110ff80 | 3042 | dprintk("%s: files avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3043 | return status; |
c0eae66e BH |
3044 | out_overflow: |
3045 | print_overflow_msg(__func__, xdr); | |
3046 | return -EIO; | |
1da177e4 LT |
3047 | } |
3048 | ||
3049 | static int decode_attr_files_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3050 | { | |
8687b63a | 3051 | __be32 *p; |
1da177e4 LT |
3052 | int status = 0; |
3053 | ||
3054 | *res = 0; | |
3055 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_FREE - 1U))) | |
3056 | return -EIO; | |
3057 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_FREE)) { | |
c0eae66e BH |
3058 | p = xdr_inline_decode(xdr, 8); |
3059 | if (unlikely(!p)) | |
3060 | goto out_overflow; | |
cccddf4f | 3061 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3062 | bitmap[0] &= ~FATTR4_WORD0_FILES_FREE; |
3063 | } | |
3110ff80 | 3064 | dprintk("%s: files free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3065 | return status; |
c0eae66e BH |
3066 | out_overflow: |
3067 | print_overflow_msg(__func__, xdr); | |
3068 | return -EIO; | |
1da177e4 LT |
3069 | } |
3070 | ||
3071 | static int decode_attr_files_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3072 | { | |
8687b63a | 3073 | __be32 *p; |
1da177e4 LT |
3074 | int status = 0; |
3075 | ||
3076 | *res = 0; | |
3077 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_TOTAL - 1U))) | |
3078 | return -EIO; | |
3079 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_TOTAL)) { | |
c0eae66e BH |
3080 | p = xdr_inline_decode(xdr, 8); |
3081 | if (unlikely(!p)) | |
3082 | goto out_overflow; | |
cccddf4f | 3083 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3084 | bitmap[0] &= ~FATTR4_WORD0_FILES_TOTAL; |
3085 | } | |
3110ff80 | 3086 | dprintk("%s: files total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3087 | return status; |
c0eae66e BH |
3088 | out_overflow: |
3089 | print_overflow_msg(__func__, xdr); | |
3090 | return -EIO; | |
1da177e4 LT |
3091 | } |
3092 | ||
7aaa0b3b MN |
3093 | static int decode_pathname(struct xdr_stream *xdr, struct nfs4_pathname *path) |
3094 | { | |
464ad6b1 | 3095 | u32 n; |
8687b63a | 3096 | __be32 *p; |
7aaa0b3b MN |
3097 | int status = 0; |
3098 | ||
c0eae66e BH |
3099 | p = xdr_inline_decode(xdr, 4); |
3100 | if (unlikely(!p)) | |
3101 | goto out_overflow; | |
cccddf4f | 3102 | n = be32_to_cpup(p); |
33a43f28 AA |
3103 | if (n == 0) |
3104 | goto root_path; | |
7aaa0b3b MN |
3105 | dprintk("path "); |
3106 | path->ncomponents = 0; | |
3107 | while (path->ncomponents < n) { | |
3108 | struct nfs4_string *component = &path->components[path->ncomponents]; | |
3109 | status = decode_opaque_inline(xdr, &component->len, &component->data); | |
3110 | if (unlikely(status != 0)) | |
3111 | goto out_eio; | |
3112 | if (path->ncomponents != n) | |
3113 | dprintk("/"); | |
3114 | dprintk("%s", component->data); | |
3115 | if (path->ncomponents < NFS4_PATHNAME_MAXCOMPONENTS) | |
3116 | path->ncomponents++; | |
3117 | else { | |
3118 | dprintk("cannot parse %d components in path\n", n); | |
3119 | goto out_eio; | |
3120 | } | |
3121 | } | |
3122 | out: | |
3123 | dprintk("\n"); | |
3124 | return status; | |
33a43f28 AA |
3125 | root_path: |
3126 | /* a root pathname is sent as a zero component4 */ | |
3127 | path->ncomponents = 1; | |
3128 | path->components[0].len=0; | |
3129 | path->components[0].data=NULL; | |
3130 | dprintk("path /\n"); | |
3131 | goto out; | |
7aaa0b3b MN |
3132 | out_eio: |
3133 | dprintk(" status %d", status); | |
3134 | status = -EIO; | |
3135 | goto out; | |
c0eae66e BH |
3136 | out_overflow: |
3137 | print_overflow_msg(__func__, xdr); | |
3138 | return -EIO; | |
7aaa0b3b MN |
3139 | } |
3140 | ||
3141 | static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_fs_locations *res) | |
683b57b4 TM |
3142 | { |
3143 | int n; | |
8687b63a | 3144 | __be32 *p; |
683b57b4 TM |
3145 | int status = -EIO; |
3146 | ||
3147 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FS_LOCATIONS -1U))) | |
3148 | goto out; | |
3149 | status = 0; | |
3150 | if (unlikely(!(bitmap[0] & FATTR4_WORD0_FS_LOCATIONS))) | |
3151 | goto out; | |
3110ff80 | 3152 | dprintk("%s: fsroot ", __func__); |
7aaa0b3b | 3153 | status = decode_pathname(xdr, &res->fs_path); |
683b57b4 TM |
3154 | if (unlikely(status != 0)) |
3155 | goto out; | |
c0eae66e BH |
3156 | p = xdr_inline_decode(xdr, 4); |
3157 | if (unlikely(!p)) | |
3158 | goto out_overflow; | |
cccddf4f | 3159 | n = be32_to_cpup(p); |
683b57b4 TM |
3160 | if (n <= 0) |
3161 | goto out_eio; | |
3162 | res->nlocations = 0; | |
3163 | while (res->nlocations < n) { | |
464ad6b1 | 3164 | u32 m; |
7aaa0b3b | 3165 | struct nfs4_fs_location *loc = &res->locations[res->nlocations]; |
683b57b4 | 3166 | |
c0eae66e BH |
3167 | p = xdr_inline_decode(xdr, 4); |
3168 | if (unlikely(!p)) | |
3169 | goto out_overflow; | |
cccddf4f | 3170 | m = be32_to_cpup(p); |
7aaa0b3b MN |
3171 | |
3172 | loc->nservers = 0; | |
3110ff80 | 3173 | dprintk("%s: servers ", __func__); |
7aaa0b3b MN |
3174 | while (loc->nservers < m) { |
3175 | struct nfs4_string *server = &loc->servers[loc->nservers]; | |
3176 | status = decode_opaque_inline(xdr, &server->len, &server->data); | |
3177 | if (unlikely(status != 0)) | |
3178 | goto out_eio; | |
3179 | dprintk("%s ", server->data); | |
3180 | if (loc->nservers < NFS4_FS_LOCATION_MAXSERVERS) | |
3181 | loc->nservers++; | |
3182 | else { | |
464ad6b1 CL |
3183 | unsigned int i; |
3184 | dprintk("%s: using first %u of %u servers " | |
3185 | "returned for location %u\n", | |
3110ff80 | 3186 | __func__, |
464ad6b1 CL |
3187 | NFS4_FS_LOCATION_MAXSERVERS, |
3188 | m, res->nlocations); | |
7aaa0b3b | 3189 | for (i = loc->nservers; i < m; i++) { |
2e42c3e2 | 3190 | unsigned int len; |
7aaa0b3b MN |
3191 | char *data; |
3192 | status = decode_opaque_inline(xdr, &len, &data); | |
3193 | if (unlikely(status != 0)) | |
3194 | goto out_eio; | |
3195 | } | |
3196 | } | |
3197 | } | |
3198 | status = decode_pathname(xdr, &loc->rootpath); | |
683b57b4 TM |
3199 | if (unlikely(status != 0)) |
3200 | goto out_eio; | |
7aaa0b3b | 3201 | if (res->nlocations < NFS4_FS_LOCATIONS_MAXENTRIES) |
683b57b4 TM |
3202 | res->nlocations++; |
3203 | } | |
409924e4 TM |
3204 | if (res->nlocations != 0) |
3205 | status = NFS_ATTR_FATTR_V4_REFERRAL; | |
683b57b4 | 3206 | out: |
3110ff80 | 3207 | dprintk("%s: fs_locations done, error = %d\n", __func__, status); |
683b57b4 | 3208 | return status; |
c0eae66e BH |
3209 | out_overflow: |
3210 | print_overflow_msg(__func__, xdr); | |
683b57b4 TM |
3211 | out_eio: |
3212 | status = -EIO; | |
3213 | goto out; | |
3214 | } | |
3215 | ||
1da177e4 LT |
3216 | static int decode_attr_maxfilesize(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
3217 | { | |
8687b63a | 3218 | __be32 *p; |
1da177e4 LT |
3219 | int status = 0; |
3220 | ||
3221 | *res = 0; | |
3222 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXFILESIZE - 1U))) | |
3223 | return -EIO; | |
3224 | if (likely(bitmap[0] & FATTR4_WORD0_MAXFILESIZE)) { | |
c0eae66e BH |
3225 | p = xdr_inline_decode(xdr, 8); |
3226 | if (unlikely(!p)) | |
3227 | goto out_overflow; | |
cccddf4f | 3228 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3229 | bitmap[0] &= ~FATTR4_WORD0_MAXFILESIZE; |
3230 | } | |
3110ff80 | 3231 | dprintk("%s: maxfilesize=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3232 | return status; |
c0eae66e BH |
3233 | out_overflow: |
3234 | print_overflow_msg(__func__, xdr); | |
3235 | return -EIO; | |
1da177e4 LT |
3236 | } |
3237 | ||
3238 | static int decode_attr_maxlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxlink) | |
3239 | { | |
8687b63a | 3240 | __be32 *p; |
1da177e4 LT |
3241 | int status = 0; |
3242 | ||
3243 | *maxlink = 1; | |
3244 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXLINK - 1U))) | |
3245 | return -EIO; | |
3246 | if (likely(bitmap[0] & FATTR4_WORD0_MAXLINK)) { | |
c0eae66e BH |
3247 | p = xdr_inline_decode(xdr, 4); |
3248 | if (unlikely(!p)) | |
3249 | goto out_overflow; | |
cccddf4f | 3250 | *maxlink = be32_to_cpup(p); |
1da177e4 LT |
3251 | bitmap[0] &= ~FATTR4_WORD0_MAXLINK; |
3252 | } | |
3110ff80 | 3253 | dprintk("%s: maxlink=%u\n", __func__, *maxlink); |
1da177e4 | 3254 | return status; |
c0eae66e BH |
3255 | out_overflow: |
3256 | print_overflow_msg(__func__, xdr); | |
3257 | return -EIO; | |
1da177e4 LT |
3258 | } |
3259 | ||
3260 | static int decode_attr_maxname(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxname) | |
3261 | { | |
8687b63a | 3262 | __be32 *p; |
1da177e4 LT |
3263 | int status = 0; |
3264 | ||
3265 | *maxname = 1024; | |
3266 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXNAME - 1U))) | |
3267 | return -EIO; | |
3268 | if (likely(bitmap[0] & FATTR4_WORD0_MAXNAME)) { | |
c0eae66e BH |
3269 | p = xdr_inline_decode(xdr, 4); |
3270 | if (unlikely(!p)) | |
3271 | goto out_overflow; | |
cccddf4f | 3272 | *maxname = be32_to_cpup(p); |
1da177e4 LT |
3273 | bitmap[0] &= ~FATTR4_WORD0_MAXNAME; |
3274 | } | |
3110ff80 | 3275 | dprintk("%s: maxname=%u\n", __func__, *maxname); |
1da177e4 | 3276 | return status; |
c0eae66e BH |
3277 | out_overflow: |
3278 | print_overflow_msg(__func__, xdr); | |
3279 | return -EIO; | |
1da177e4 LT |
3280 | } |
3281 | ||
3282 | static int decode_attr_maxread(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3283 | { | |
8687b63a | 3284 | __be32 *p; |
1da177e4 LT |
3285 | int status = 0; |
3286 | ||
3287 | *res = 1024; | |
3288 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXREAD - 1U))) | |
3289 | return -EIO; | |
3290 | if (likely(bitmap[0] & FATTR4_WORD0_MAXREAD)) { | |
3291 | uint64_t maxread; | |
c0eae66e BH |
3292 | p = xdr_inline_decode(xdr, 8); |
3293 | if (unlikely(!p)) | |
3294 | goto out_overflow; | |
cccddf4f | 3295 | xdr_decode_hyper(p, &maxread); |
1da177e4 LT |
3296 | if (maxread > 0x7FFFFFFF) |
3297 | maxread = 0x7FFFFFFF; | |
3298 | *res = (uint32_t)maxread; | |
3299 | bitmap[0] &= ~FATTR4_WORD0_MAXREAD; | |
3300 | } | |
3110ff80 | 3301 | dprintk("%s: maxread=%lu\n", __func__, (unsigned long)*res); |
1da177e4 | 3302 | return status; |
c0eae66e BH |
3303 | out_overflow: |
3304 | print_overflow_msg(__func__, xdr); | |
3305 | return -EIO; | |
1da177e4 LT |
3306 | } |
3307 | ||
3308 | static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3309 | { | |
8687b63a | 3310 | __be32 *p; |
1da177e4 LT |
3311 | int status = 0; |
3312 | ||
3313 | *res = 1024; | |
3314 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXWRITE - 1U))) | |
3315 | return -EIO; | |
3316 | if (likely(bitmap[0] & FATTR4_WORD0_MAXWRITE)) { | |
3317 | uint64_t maxwrite; | |
c0eae66e BH |
3318 | p = xdr_inline_decode(xdr, 8); |
3319 | if (unlikely(!p)) | |
3320 | goto out_overflow; | |
cccddf4f | 3321 | xdr_decode_hyper(p, &maxwrite); |
1da177e4 LT |
3322 | if (maxwrite > 0x7FFFFFFF) |
3323 | maxwrite = 0x7FFFFFFF; | |
3324 | *res = (uint32_t)maxwrite; | |
3325 | bitmap[0] &= ~FATTR4_WORD0_MAXWRITE; | |
3326 | } | |
3110ff80 | 3327 | dprintk("%s: maxwrite=%lu\n", __func__, (unsigned long)*res); |
1da177e4 | 3328 | return status; |
c0eae66e BH |
3329 | out_overflow: |
3330 | print_overflow_msg(__func__, xdr); | |
3331 | return -EIO; | |
1da177e4 LT |
3332 | } |
3333 | ||
bca79478 | 3334 | static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, umode_t *mode) |
1da177e4 | 3335 | { |
bca79478 | 3336 | uint32_t tmp; |
8687b63a | 3337 | __be32 *p; |
409924e4 | 3338 | int ret = 0; |
1da177e4 LT |
3339 | |
3340 | *mode = 0; | |
3341 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MODE - 1U))) | |
3342 | return -EIO; | |
3343 | if (likely(bitmap[1] & FATTR4_WORD1_MODE)) { | |
c0eae66e BH |
3344 | p = xdr_inline_decode(xdr, 4); |
3345 | if (unlikely(!p)) | |
3346 | goto out_overflow; | |
cccddf4f | 3347 | tmp = be32_to_cpup(p); |
bca79478 | 3348 | *mode = tmp & ~S_IFMT; |
1da177e4 | 3349 | bitmap[1] &= ~FATTR4_WORD1_MODE; |
409924e4 | 3350 | ret = NFS_ATTR_FATTR_MODE; |
1da177e4 | 3351 | } |
3110ff80 | 3352 | dprintk("%s: file mode=0%o\n", __func__, (unsigned int)*mode); |
409924e4 | 3353 | return ret; |
c0eae66e BH |
3354 | out_overflow: |
3355 | print_overflow_msg(__func__, xdr); | |
3356 | return -EIO; | |
1da177e4 LT |
3357 | } |
3358 | ||
3359 | static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *nlink) | |
3360 | { | |
8687b63a | 3361 | __be32 *p; |
409924e4 | 3362 | int ret = 0; |
1da177e4 LT |
3363 | |
3364 | *nlink = 1; | |
3365 | if (unlikely(bitmap[1] & (FATTR4_WORD1_NUMLINKS - 1U))) | |
3366 | return -EIO; | |
3367 | if (likely(bitmap[1] & FATTR4_WORD1_NUMLINKS)) { | |
c0eae66e BH |
3368 | p = xdr_inline_decode(xdr, 4); |
3369 | if (unlikely(!p)) | |
3370 | goto out_overflow; | |
cccddf4f | 3371 | *nlink = be32_to_cpup(p); |
1da177e4 | 3372 | bitmap[1] &= ~FATTR4_WORD1_NUMLINKS; |
409924e4 | 3373 | ret = NFS_ATTR_FATTR_NLINK; |
1da177e4 | 3374 | } |
3110ff80 | 3375 | dprintk("%s: nlink=%u\n", __func__, (unsigned int)*nlink); |
409924e4 | 3376 | return ret; |
c0eae66e BH |
3377 | out_overflow: |
3378 | print_overflow_msg(__func__, xdr); | |
3379 | return -EIO; | |
1da177e4 LT |
3380 | } |
3381 | ||
80e52ace TM |
3382 | static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, |
3383 | struct nfs_client *clp, uint32_t *uid, int may_sleep) | |
1da177e4 | 3384 | { |
8687b63a AV |
3385 | uint32_t len; |
3386 | __be32 *p; | |
409924e4 | 3387 | int ret = 0; |
1da177e4 LT |
3388 | |
3389 | *uid = -2; | |
3390 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER - 1U))) | |
3391 | return -EIO; | |
3392 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER)) { | |
c0eae66e BH |
3393 | p = xdr_inline_decode(xdr, 4); |
3394 | if (unlikely(!p)) | |
3395 | goto out_overflow; | |
cccddf4f | 3396 | len = be32_to_cpup(p); |
c0eae66e BH |
3397 | p = xdr_inline_decode(xdr, len); |
3398 | if (unlikely(!p)) | |
3399 | goto out_overflow; | |
80e52ace TM |
3400 | if (!may_sleep) { |
3401 | /* do nothing */ | |
3402 | } else if (len < XDR_MAX_NETOBJ) { | |
409924e4 TM |
3403 | if (nfs_map_name_to_uid(clp, (char *)p, len, uid) == 0) |
3404 | ret = NFS_ATTR_FATTR_OWNER; | |
3405 | else | |
1da177e4 | 3406 | dprintk("%s: nfs_map_name_to_uid failed!\n", |
3110ff80 | 3407 | __func__); |
1da177e4 | 3408 | } else |
fe82a183 | 3409 | dprintk("%s: name too long (%u)!\n", |
3110ff80 | 3410 | __func__, len); |
1da177e4 LT |
3411 | bitmap[1] &= ~FATTR4_WORD1_OWNER; |
3412 | } | |
3110ff80 | 3413 | dprintk("%s: uid=%d\n", __func__, (int)*uid); |
409924e4 | 3414 | return ret; |
c0eae66e BH |
3415 | out_overflow: |
3416 | print_overflow_msg(__func__, xdr); | |
3417 | return -EIO; | |
1da177e4 LT |
3418 | } |
3419 | ||
80e52ace TM |
3420 | static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, |
3421 | struct nfs_client *clp, uint32_t *gid, int may_sleep) | |
1da177e4 | 3422 | { |
8687b63a AV |
3423 | uint32_t len; |
3424 | __be32 *p; | |
409924e4 | 3425 | int ret = 0; |
1da177e4 LT |
3426 | |
3427 | *gid = -2; | |
3428 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER_GROUP - 1U))) | |
3429 | return -EIO; | |
3430 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER_GROUP)) { | |
c0eae66e BH |
3431 | p = xdr_inline_decode(xdr, 4); |
3432 | if (unlikely(!p)) | |
3433 | goto out_overflow; | |
cccddf4f | 3434 | len = be32_to_cpup(p); |
c0eae66e BH |
3435 | p = xdr_inline_decode(xdr, len); |
3436 | if (unlikely(!p)) | |
3437 | goto out_overflow; | |
80e52ace TM |
3438 | if (!may_sleep) { |
3439 | /* do nothing */ | |
3440 | } else if (len < XDR_MAX_NETOBJ) { | |
409924e4 TM |
3441 | if (nfs_map_group_to_gid(clp, (char *)p, len, gid) == 0) |
3442 | ret = NFS_ATTR_FATTR_GROUP; | |
3443 | else | |
1da177e4 | 3444 | dprintk("%s: nfs_map_group_to_gid failed!\n", |
3110ff80 | 3445 | __func__); |
1da177e4 | 3446 | } else |
fe82a183 | 3447 | dprintk("%s: name too long (%u)!\n", |
3110ff80 | 3448 | __func__, len); |
1da177e4 LT |
3449 | bitmap[1] &= ~FATTR4_WORD1_OWNER_GROUP; |
3450 | } | |
3110ff80 | 3451 | dprintk("%s: gid=%d\n", __func__, (int)*gid); |
409924e4 | 3452 | return ret; |
c0eae66e BH |
3453 | out_overflow: |
3454 | print_overflow_msg(__func__, xdr); | |
3455 | return -EIO; | |
1da177e4 LT |
3456 | } |
3457 | ||
3458 | static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rdev) | |
3459 | { | |
8687b63a AV |
3460 | uint32_t major = 0, minor = 0; |
3461 | __be32 *p; | |
409924e4 | 3462 | int ret = 0; |
1da177e4 LT |
3463 | |
3464 | *rdev = MKDEV(0,0); | |
3465 | if (unlikely(bitmap[1] & (FATTR4_WORD1_RAWDEV - 1U))) | |
3466 | return -EIO; | |
3467 | if (likely(bitmap[1] & FATTR4_WORD1_RAWDEV)) { | |
3468 | dev_t tmp; | |
3469 | ||
c0eae66e BH |
3470 | p = xdr_inline_decode(xdr, 8); |
3471 | if (unlikely(!p)) | |
3472 | goto out_overflow; | |
6f723f77 | 3473 | major = be32_to_cpup(p++); |
cccddf4f | 3474 | minor = be32_to_cpup(p); |
1da177e4 LT |
3475 | tmp = MKDEV(major, minor); |
3476 | if (MAJOR(tmp) == major && MINOR(tmp) == minor) | |
3477 | *rdev = tmp; | |
3478 | bitmap[1] &= ~ FATTR4_WORD1_RAWDEV; | |
409924e4 | 3479 | ret = NFS_ATTR_FATTR_RDEV; |
1da177e4 | 3480 | } |
3110ff80 | 3481 | dprintk("%s: rdev=(0x%x:0x%x)\n", __func__, major, minor); |
409924e4 | 3482 | return ret; |
c0eae66e BH |
3483 | out_overflow: |
3484 | print_overflow_msg(__func__, xdr); | |
3485 | return -EIO; | |
1da177e4 LT |
3486 | } |
3487 | ||
3488 | static int decode_attr_space_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3489 | { | |
8687b63a | 3490 | __be32 *p; |
1da177e4 LT |
3491 | int status = 0; |
3492 | ||
3493 | *res = 0; | |
3494 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_AVAIL - 1U))) | |
3495 | return -EIO; | |
3496 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_AVAIL)) { | |
c0eae66e BH |
3497 | p = xdr_inline_decode(xdr, 8); |
3498 | if (unlikely(!p)) | |
3499 | goto out_overflow; | |
cccddf4f | 3500 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3501 | bitmap[1] &= ~FATTR4_WORD1_SPACE_AVAIL; |
3502 | } | |
3110ff80 | 3503 | dprintk("%s: space avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3504 | return status; |
c0eae66e BH |
3505 | out_overflow: |
3506 | print_overflow_msg(__func__, xdr); | |
3507 | return -EIO; | |
1da177e4 LT |
3508 | } |
3509 | ||
3510 | static int decode_attr_space_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3511 | { | |
8687b63a | 3512 | __be32 *p; |
1da177e4 LT |
3513 | int status = 0; |
3514 | ||
3515 | *res = 0; | |
3516 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_FREE - 1U))) | |
3517 | return -EIO; | |
3518 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_FREE)) { | |
c0eae66e BH |
3519 | p = xdr_inline_decode(xdr, 8); |
3520 | if (unlikely(!p)) | |
3521 | goto out_overflow; | |
cccddf4f | 3522 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3523 | bitmap[1] &= ~FATTR4_WORD1_SPACE_FREE; |
3524 | } | |
3110ff80 | 3525 | dprintk("%s: space free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3526 | return status; |
c0eae66e BH |
3527 | out_overflow: |
3528 | print_overflow_msg(__func__, xdr); | |
3529 | return -EIO; | |
1da177e4 LT |
3530 | } |
3531 | ||
3532 | static int decode_attr_space_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3533 | { | |
8687b63a | 3534 | __be32 *p; |
1da177e4 LT |
3535 | int status = 0; |
3536 | ||
3537 | *res = 0; | |
3538 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_TOTAL - 1U))) | |
3539 | return -EIO; | |
3540 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_TOTAL)) { | |
c0eae66e BH |
3541 | p = xdr_inline_decode(xdr, 8); |
3542 | if (unlikely(!p)) | |
3543 | goto out_overflow; | |
cccddf4f | 3544 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3545 | bitmap[1] &= ~FATTR4_WORD1_SPACE_TOTAL; |
3546 | } | |
3110ff80 | 3547 | dprintk("%s: space total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3548 | return status; |
c0eae66e BH |
3549 | out_overflow: |
3550 | print_overflow_msg(__func__, xdr); | |
3551 | return -EIO; | |
1da177e4 LT |
3552 | } |
3553 | ||
3554 | static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *used) | |
3555 | { | |
8687b63a | 3556 | __be32 *p; |
409924e4 | 3557 | int ret = 0; |
1da177e4 LT |
3558 | |
3559 | *used = 0; | |
3560 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_USED - 1U))) | |
3561 | return -EIO; | |
3562 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_USED)) { | |
c0eae66e BH |
3563 | p = xdr_inline_decode(xdr, 8); |
3564 | if (unlikely(!p)) | |
3565 | goto out_overflow; | |
cccddf4f | 3566 | xdr_decode_hyper(p, used); |
1da177e4 | 3567 | bitmap[1] &= ~FATTR4_WORD1_SPACE_USED; |
409924e4 | 3568 | ret = NFS_ATTR_FATTR_SPACE_USED; |
1da177e4 | 3569 | } |
3110ff80 | 3570 | dprintk("%s: space used=%Lu\n", __func__, |
1da177e4 | 3571 | (unsigned long long)*used); |
409924e4 | 3572 | return ret; |
c0eae66e BH |
3573 | out_overflow: |
3574 | print_overflow_msg(__func__, xdr); | |
3575 | return -EIO; | |
1da177e4 LT |
3576 | } |
3577 | ||
3578 | static int decode_attr_time(struct xdr_stream *xdr, struct timespec *time) | |
3579 | { | |
8687b63a | 3580 | __be32 *p; |
1da177e4 LT |
3581 | uint64_t sec; |
3582 | uint32_t nsec; | |
3583 | ||
c0eae66e BH |
3584 | p = xdr_inline_decode(xdr, 12); |
3585 | if (unlikely(!p)) | |
3586 | goto out_overflow; | |
3ceb4dbb | 3587 | p = xdr_decode_hyper(p, &sec); |
cccddf4f | 3588 | nsec = be32_to_cpup(p); |
1da177e4 LT |
3589 | time->tv_sec = (time_t)sec; |
3590 | time->tv_nsec = (long)nsec; | |
3591 | return 0; | |
c0eae66e BH |
3592 | out_overflow: |
3593 | print_overflow_msg(__func__, xdr); | |
3594 | return -EIO; | |
1da177e4 LT |
3595 | } |
3596 | ||
3597 | static int decode_attr_time_access(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
3598 | { | |
3599 | int status = 0; | |
3600 | ||
3601 | time->tv_sec = 0; | |
3602 | time->tv_nsec = 0; | |
3603 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_ACCESS - 1U))) | |
3604 | return -EIO; | |
3605 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_ACCESS)) { | |
3606 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
3607 | if (status == 0) |
3608 | status = NFS_ATTR_FATTR_ATIME; | |
1da177e4 LT |
3609 | bitmap[1] &= ~FATTR4_WORD1_TIME_ACCESS; |
3610 | } | |
3110ff80 | 3611 | dprintk("%s: atime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
3612 | return status; |
3613 | } | |
3614 | ||
3615 | static int decode_attr_time_metadata(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
3616 | { | |
3617 | int status = 0; | |
3618 | ||
3619 | time->tv_sec = 0; | |
3620 | time->tv_nsec = 0; | |
3621 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_METADATA - 1U))) | |
3622 | return -EIO; | |
3623 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_METADATA)) { | |
3624 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
3625 | if (status == 0) |
3626 | status = NFS_ATTR_FATTR_CTIME; | |
1da177e4 LT |
3627 | bitmap[1] &= ~FATTR4_WORD1_TIME_METADATA; |
3628 | } | |
3110ff80 | 3629 | dprintk("%s: ctime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
3630 | return status; |
3631 | } | |
3632 | ||
55b6e774 RL |
3633 | static int decode_attr_time_delta(struct xdr_stream *xdr, uint32_t *bitmap, |
3634 | struct timespec *time) | |
3635 | { | |
3636 | int status = 0; | |
3637 | ||
3638 | time->tv_sec = 0; | |
3639 | time->tv_nsec = 0; | |
3640 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_DELTA - 1U))) | |
3641 | return -EIO; | |
3642 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_DELTA)) { | |
3643 | status = decode_attr_time(xdr, time); | |
3644 | bitmap[1] &= ~FATTR4_WORD1_TIME_DELTA; | |
3645 | } | |
3646 | dprintk("%s: time_delta=%ld %ld\n", __func__, (long)time->tv_sec, | |
3647 | (long)time->tv_nsec); | |
3648 | return status; | |
3649 | } | |
3650 | ||
1da177e4 LT |
3651 | static int decode_attr_time_modify(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) |
3652 | { | |
3653 | int status = 0; | |
3654 | ||
3655 | time->tv_sec = 0; | |
3656 | time->tv_nsec = 0; | |
3657 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_MODIFY - 1U))) | |
3658 | return -EIO; | |
3659 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_MODIFY)) { | |
3660 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
3661 | if (status == 0) |
3662 | status = NFS_ATTR_FATTR_MTIME; | |
1da177e4 LT |
3663 | bitmap[1] &= ~FATTR4_WORD1_TIME_MODIFY; |
3664 | } | |
3110ff80 | 3665 | dprintk("%s: mtime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
3666 | return status; |
3667 | } | |
3668 | ||
8687b63a | 3669 | static int verify_attr_len(struct xdr_stream *xdr, __be32 *savep, uint32_t attrlen) |
1da177e4 LT |
3670 | { |
3671 | unsigned int attrwords = XDR_QUADLEN(attrlen); | |
3672 | unsigned int nwords = xdr->p - savep; | |
3673 | ||
3674 | if (unlikely(attrwords != nwords)) { | |
fe82a183 CL |
3675 | dprintk("%s: server returned incorrect attribute length: " |
3676 | "%u %c %u\n", | |
3110ff80 | 3677 | __func__, |
1da177e4 LT |
3678 | attrwords << 2, |
3679 | (attrwords < nwords) ? '<' : '>', | |
3680 | nwords << 2); | |
3681 | return -EIO; | |
3682 | } | |
3683 | return 0; | |
3684 | } | |
3685 | ||
3686 | static int decode_change_info(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
3687 | { | |
8687b63a | 3688 | __be32 *p; |
1da177e4 | 3689 | |
c0eae66e BH |
3690 | p = xdr_inline_decode(xdr, 20); |
3691 | if (unlikely(!p)) | |
3692 | goto out_overflow; | |
6f723f77 | 3693 | cinfo->atomic = be32_to_cpup(p++); |
3ceb4dbb | 3694 | p = xdr_decode_hyper(p, &cinfo->before); |
cccddf4f | 3695 | xdr_decode_hyper(p, &cinfo->after); |
1da177e4 | 3696 | return 0; |
c0eae66e BH |
3697 | out_overflow: |
3698 | print_overflow_msg(__func__, xdr); | |
3699 | return -EIO; | |
1da177e4 LT |
3700 | } |
3701 | ||
3702 | static int decode_access(struct xdr_stream *xdr, struct nfs4_accessres *access) | |
3703 | { | |
8687b63a | 3704 | __be32 *p; |
1da177e4 LT |
3705 | uint32_t supp, acc; |
3706 | int status; | |
3707 | ||
3708 | status = decode_op_hdr(xdr, OP_ACCESS); | |
3709 | if (status) | |
3710 | return status; | |
c0eae66e BH |
3711 | p = xdr_inline_decode(xdr, 8); |
3712 | if (unlikely(!p)) | |
3713 | goto out_overflow; | |
6f723f77 | 3714 | supp = be32_to_cpup(p++); |
cccddf4f | 3715 | acc = be32_to_cpup(p); |
1da177e4 LT |
3716 | access->supported = supp; |
3717 | access->access = acc; | |
3718 | return 0; | |
c0eae66e BH |
3719 | out_overflow: |
3720 | print_overflow_msg(__func__, xdr); | |
3721 | return -EIO; | |
1da177e4 LT |
3722 | } |
3723 | ||
07d30434 | 3724 | static int decode_opaque_fixed(struct xdr_stream *xdr, void *buf, size_t len) |
1da177e4 | 3725 | { |
8687b63a | 3726 | __be32 *p; |
07d30434 BH |
3727 | |
3728 | p = xdr_inline_decode(xdr, len); | |
3729 | if (likely(p)) { | |
3730 | memcpy(buf, p, len); | |
3731 | return 0; | |
3732 | } | |
3733 | print_overflow_msg(__func__, xdr); | |
3734 | return -EIO; | |
3735 | } | |
3736 | ||
3737 | static int decode_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) | |
3738 | { | |
3739 | return decode_opaque_fixed(xdr, stateid->data, NFS4_STATEID_SIZE); | |
3740 | } | |
3741 | ||
3742 | static int decode_close(struct xdr_stream *xdr, struct nfs_closeres *res) | |
3743 | { | |
1da177e4 LT |
3744 | int status; |
3745 | ||
3746 | status = decode_op_hdr(xdr, OP_CLOSE); | |
c1d51931 TM |
3747 | if (status != -EIO) |
3748 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
3749 | if (!status) |
3750 | status = decode_stateid(xdr, &res->stateid); | |
3751 | return status; | |
1da177e4 LT |
3752 | } |
3753 | ||
db942bbd BH |
3754 | static int decode_verifier(struct xdr_stream *xdr, void *verifier) |
3755 | { | |
3756 | return decode_opaque_fixed(xdr, verifier, 8); | |
1da177e4 LT |
3757 | } |
3758 | ||
3759 | static int decode_commit(struct xdr_stream *xdr, struct nfs_writeres *res) | |
3760 | { | |
1da177e4 LT |
3761 | int status; |
3762 | ||
3763 | status = decode_op_hdr(xdr, OP_COMMIT); | |
db942bbd BH |
3764 | if (!status) |
3765 | status = decode_verifier(xdr, res->verf->verifier); | |
3766 | return status; | |
1da177e4 LT |
3767 | } |
3768 | ||
3769 | static int decode_create(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
3770 | { | |
8687b63a | 3771 | __be32 *p; |
1da177e4 LT |
3772 | uint32_t bmlen; |
3773 | int status; | |
3774 | ||
3775 | status = decode_op_hdr(xdr, OP_CREATE); | |
3776 | if (status) | |
3777 | return status; | |
3778 | if ((status = decode_change_info(xdr, cinfo))) | |
3779 | return status; | |
c0eae66e BH |
3780 | p = xdr_inline_decode(xdr, 4); |
3781 | if (unlikely(!p)) | |
3782 | goto out_overflow; | |
cccddf4f | 3783 | bmlen = be32_to_cpup(p); |
c0eae66e BH |
3784 | p = xdr_inline_decode(xdr, bmlen << 2); |
3785 | if (likely(p)) | |
3786 | return 0; | |
3787 | out_overflow: | |
3788 | print_overflow_msg(__func__, xdr); | |
3789 | return -EIO; | |
1da177e4 LT |
3790 | } |
3791 | ||
3792 | static int decode_server_caps(struct xdr_stream *xdr, struct nfs4_server_caps_res *res) | |
3793 | { | |
8687b63a | 3794 | __be32 *savep; |
6c0195a4 | 3795 | uint32_t attrlen, bitmap[2] = {0}; |
1da177e4 LT |
3796 | int status; |
3797 | ||
3798 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
3799 | goto xdr_error; | |
3800 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
3801 | goto xdr_error; | |
3802 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
3803 | goto xdr_error; | |
3804 | if ((status = decode_attr_supported(xdr, bitmap, res->attr_bitmask)) != 0) | |
3805 | goto xdr_error; | |
3806 | if ((status = decode_attr_link_support(xdr, bitmap, &res->has_links)) != 0) | |
3807 | goto xdr_error; | |
3808 | if ((status = decode_attr_symlink_support(xdr, bitmap, &res->has_symlinks)) != 0) | |
3809 | goto xdr_error; | |
3810 | if ((status = decode_attr_aclsupport(xdr, bitmap, &res->acl_bitmask)) != 0) | |
3811 | goto xdr_error; | |
3812 | status = verify_attr_len(xdr, savep, attrlen); | |
3813 | xdr_error: | |
3110ff80 | 3814 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
3815 | return status; |
3816 | } | |
6c0195a4 | 3817 | |
1da177e4 LT |
3818 | static int decode_statfs(struct xdr_stream *xdr, struct nfs_fsstat *fsstat) |
3819 | { | |
8687b63a | 3820 | __be32 *savep; |
6c0195a4 | 3821 | uint32_t attrlen, bitmap[2] = {0}; |
1da177e4 | 3822 | int status; |
6c0195a4 | 3823 | |
1da177e4 LT |
3824 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
3825 | goto xdr_error; | |
3826 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
3827 | goto xdr_error; | |
3828 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
3829 | goto xdr_error; | |
3830 | ||
3831 | if ((status = decode_attr_files_avail(xdr, bitmap, &fsstat->afiles)) != 0) | |
3832 | goto xdr_error; | |
3833 | if ((status = decode_attr_files_free(xdr, bitmap, &fsstat->ffiles)) != 0) | |
3834 | goto xdr_error; | |
3835 | if ((status = decode_attr_files_total(xdr, bitmap, &fsstat->tfiles)) != 0) | |
3836 | goto xdr_error; | |
3837 | if ((status = decode_attr_space_avail(xdr, bitmap, &fsstat->abytes)) != 0) | |
3838 | goto xdr_error; | |
3839 | if ((status = decode_attr_space_free(xdr, bitmap, &fsstat->fbytes)) != 0) | |
3840 | goto xdr_error; | |
3841 | if ((status = decode_attr_space_total(xdr, bitmap, &fsstat->tbytes)) != 0) | |
3842 | goto xdr_error; | |
3843 | ||
3844 | status = verify_attr_len(xdr, savep, attrlen); | |
3845 | xdr_error: | |
3110ff80 | 3846 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
3847 | return status; |
3848 | } | |
3849 | ||
3850 | static int decode_pathconf(struct xdr_stream *xdr, struct nfs_pathconf *pathconf) | |
3851 | { | |
8687b63a | 3852 | __be32 *savep; |
6c0195a4 | 3853 | uint32_t attrlen, bitmap[2] = {0}; |
1da177e4 | 3854 | int status; |
6c0195a4 | 3855 | |
1da177e4 LT |
3856 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
3857 | goto xdr_error; | |
3858 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
3859 | goto xdr_error; | |
3860 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
3861 | goto xdr_error; | |
3862 | ||
3863 | if ((status = decode_attr_maxlink(xdr, bitmap, &pathconf->max_link)) != 0) | |
3864 | goto xdr_error; | |
3865 | if ((status = decode_attr_maxname(xdr, bitmap, &pathconf->max_namelen)) != 0) | |
3866 | goto xdr_error; | |
3867 | ||
3868 | status = verify_attr_len(xdr, savep, attrlen); | |
3869 | xdr_error: | |
3110ff80 | 3870 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
3871 | return status; |
3872 | } | |
3873 | ||
ae42c70a BS |
3874 | static int decode_getfattr_attrs(struct xdr_stream *xdr, uint32_t *bitmap, |
3875 | struct nfs_fattr *fattr, struct nfs_fh *fh, | |
80e52ace | 3876 | const struct nfs_server *server, int may_sleep) |
1da177e4 | 3877 | { |
bca79478 TM |
3878 | int status; |
3879 | umode_t fmode = 0; | |
99baf625 | 3880 | uint64_t fileid; |
ae42c70a | 3881 | uint32_t type; |
1da177e4 | 3882 | |
f26c7a78 TM |
3883 | status = decode_attr_type(xdr, bitmap, &type); |
3884 | if (status < 0) | |
1da177e4 | 3885 | goto xdr_error; |
409924e4 TM |
3886 | fattr->mode = 0; |
3887 | if (status != 0) { | |
3888 | fattr->mode |= nfs_type2fmt[type]; | |
3889 | fattr->valid |= status; | |
3890 | } | |
1da177e4 | 3891 | |
f26c7a78 TM |
3892 | status = decode_attr_change(xdr, bitmap, &fattr->change_attr); |
3893 | if (status < 0) | |
1da177e4 | 3894 | goto xdr_error; |
409924e4 | 3895 | fattr->valid |= status; |
f26c7a78 TM |
3896 | |
3897 | status = decode_attr_size(xdr, bitmap, &fattr->size); | |
3898 | if (status < 0) | |
1da177e4 | 3899 | goto xdr_error; |
409924e4 | 3900 | fattr->valid |= status; |
f26c7a78 TM |
3901 | |
3902 | status = decode_attr_fsid(xdr, bitmap, &fattr->fsid); | |
3903 | if (status < 0) | |
1da177e4 | 3904 | goto xdr_error; |
409924e4 | 3905 | fattr->valid |= status; |
f26c7a78 | 3906 | |
ae42c70a BS |
3907 | status = decode_attr_error(xdr, bitmap); |
3908 | if (status < 0) | |
3909 | goto xdr_error; | |
3910 | ||
3911 | status = decode_attr_filehandle(xdr, bitmap, fh); | |
3912 | if (status < 0) | |
3913 | goto xdr_error; | |
3914 | ||
f26c7a78 TM |
3915 | status = decode_attr_fileid(xdr, bitmap, &fattr->fileid); |
3916 | if (status < 0) | |
1da177e4 | 3917 | goto xdr_error; |
409924e4 | 3918 | fattr->valid |= status; |
f26c7a78 TM |
3919 | |
3920 | status = decode_attr_fs_locations(xdr, bitmap, container_of(fattr, | |
7aaa0b3b | 3921 | struct nfs4_fs_locations, |
f26c7a78 TM |
3922 | fattr)); |
3923 | if (status < 0) | |
683b57b4 | 3924 | goto xdr_error; |
409924e4 | 3925 | fattr->valid |= status; |
f26c7a78 TM |
3926 | |
3927 | status = decode_attr_mode(xdr, bitmap, &fmode); | |
3928 | if (status < 0) | |
1da177e4 | 3929 | goto xdr_error; |
409924e4 TM |
3930 | if (status != 0) { |
3931 | fattr->mode |= fmode; | |
3932 | fattr->valid |= status; | |
3933 | } | |
f26c7a78 TM |
3934 | |
3935 | status = decode_attr_nlink(xdr, bitmap, &fattr->nlink); | |
3936 | if (status < 0) | |
1da177e4 | 3937 | goto xdr_error; |
409924e4 | 3938 | fattr->valid |= status; |
f26c7a78 | 3939 | |
80e52ace TM |
3940 | status = decode_attr_owner(xdr, bitmap, server->nfs_client, |
3941 | &fattr->uid, may_sleep); | |
f26c7a78 | 3942 | if (status < 0) |
1da177e4 | 3943 | goto xdr_error; |
409924e4 | 3944 | fattr->valid |= status; |
f26c7a78 | 3945 | |
80e52ace TM |
3946 | status = decode_attr_group(xdr, bitmap, server->nfs_client, |
3947 | &fattr->gid, may_sleep); | |
f26c7a78 | 3948 | if (status < 0) |
1da177e4 | 3949 | goto xdr_error; |
409924e4 | 3950 | fattr->valid |= status; |
f26c7a78 TM |
3951 | |
3952 | status = decode_attr_rdev(xdr, bitmap, &fattr->rdev); | |
3953 | if (status < 0) | |
1da177e4 | 3954 | goto xdr_error; |
409924e4 | 3955 | fattr->valid |= status; |
f26c7a78 TM |
3956 | |
3957 | status = decode_attr_space_used(xdr, bitmap, &fattr->du.nfs3.used); | |
3958 | if (status < 0) | |
1da177e4 | 3959 | goto xdr_error; |
409924e4 | 3960 | fattr->valid |= status; |
f26c7a78 TM |
3961 | |
3962 | status = decode_attr_time_access(xdr, bitmap, &fattr->atime); | |
3963 | if (status < 0) | |
1da177e4 | 3964 | goto xdr_error; |
409924e4 | 3965 | fattr->valid |= status; |
f26c7a78 TM |
3966 | |
3967 | status = decode_attr_time_metadata(xdr, bitmap, &fattr->ctime); | |
3968 | if (status < 0) | |
1da177e4 | 3969 | goto xdr_error; |
409924e4 | 3970 | fattr->valid |= status; |
f26c7a78 TM |
3971 | |
3972 | status = decode_attr_time_modify(xdr, bitmap, &fattr->mtime); | |
3973 | if (status < 0) | |
1da177e4 | 3974 | goto xdr_error; |
409924e4 | 3975 | fattr->valid |= status; |
f26c7a78 TM |
3976 | |
3977 | status = decode_attr_mounted_on_fileid(xdr, bitmap, &fileid); | |
3978 | if (status < 0) | |
99baf625 | 3979 | goto xdr_error; |
3201f3dd | 3980 | if (status != 0 && !(fattr->valid & status)) { |
99baf625 | 3981 | fattr->fileid = fileid; |
409924e4 TM |
3982 | fattr->valid |= status; |
3983 | } | |
f26c7a78 | 3984 | |
ae42c70a BS |
3985 | xdr_error: |
3986 | dprintk("%s: xdr returned %d\n", __func__, -status); | |
3987 | return status; | |
3988 | } | |
3989 | ||
3990 | static int decode_getfattr_generic(struct xdr_stream *xdr, struct nfs_fattr *fattr, | |
3991 | struct nfs_fh *fh, const struct nfs_server *server, int may_sleep) | |
3992 | { | |
3993 | __be32 *savep; | |
3994 | uint32_t attrlen, | |
3995 | bitmap[2] = {0}; | |
3996 | int status; | |
3997 | ||
3998 | status = decode_op_hdr(xdr, OP_GETATTR); | |
3999 | if (status < 0) | |
4000 | goto xdr_error; | |
4001 | ||
4002 | status = decode_attr_bitmap(xdr, bitmap); | |
4003 | if (status < 0) | |
4004 | goto xdr_error; | |
4005 | ||
4006 | status = decode_attr_length(xdr, &attrlen, &savep); | |
4007 | if (status < 0) | |
4008 | goto xdr_error; | |
4009 | ||
4010 | status = decode_getfattr_attrs(xdr, bitmap, fattr, fh, server, may_sleep); | |
4011 | if (status < 0) | |
4012 | goto xdr_error; | |
4013 | ||
f26c7a78 | 4014 | status = verify_attr_len(xdr, savep, attrlen); |
1da177e4 | 4015 | xdr_error: |
3110ff80 | 4016 | dprintk("%s: xdr returned %d\n", __func__, -status); |
1da177e4 LT |
4017 | return status; |
4018 | } | |
4019 | ||
ae42c70a BS |
4020 | static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr, |
4021 | const struct nfs_server *server, int may_sleep) | |
4022 | { | |
4023 | return decode_getfattr_generic(xdr, fattr, NULL, server, may_sleep); | |
4024 | } | |
1da177e4 | 4025 | |
504913fb AA |
4026 | /* |
4027 | * Decode potentially multiple layout types. Currently we only support | |
4028 | * one layout driver per file system. | |
4029 | */ | |
4030 | static int decode_first_pnfs_layout_type(struct xdr_stream *xdr, | |
4031 | uint32_t *layouttype) | |
4032 | { | |
4033 | uint32_t *p; | |
4034 | int num; | |
4035 | ||
4036 | p = xdr_inline_decode(xdr, 4); | |
4037 | if (unlikely(!p)) | |
4038 | goto out_overflow; | |
4039 | num = be32_to_cpup(p); | |
4040 | ||
4041 | /* pNFS is not supported by the underlying file system */ | |
4042 | if (num == 0) { | |
4043 | *layouttype = 0; | |
4044 | return 0; | |
4045 | } | |
4046 | if (num > 1) | |
4047 | printk(KERN_INFO "%s: Warning: Multiple pNFS layout drivers " | |
4048 | "per filesystem not supported\n", __func__); | |
4049 | ||
4050 | /* Decode and set first layout type, move xdr->p past unused types */ | |
4051 | p = xdr_inline_decode(xdr, num * 4); | |
4052 | if (unlikely(!p)) | |
4053 | goto out_overflow; | |
4054 | *layouttype = be32_to_cpup(p); | |
4055 | return 0; | |
4056 | out_overflow: | |
4057 | print_overflow_msg(__func__, xdr); | |
4058 | return -EIO; | |
4059 | } | |
4060 | ||
4061 | /* | |
4062 | * The type of file system exported. | |
4063 | * Note we must ensure that layouttype is set in any non-error case. | |
4064 | */ | |
4065 | static int decode_attr_pnfstype(struct xdr_stream *xdr, uint32_t *bitmap, | |
4066 | uint32_t *layouttype) | |
4067 | { | |
4068 | int status = 0; | |
4069 | ||
4070 | dprintk("%s: bitmap is %x\n", __func__, bitmap[1]); | |
4071 | if (unlikely(bitmap[1] & (FATTR4_WORD1_FS_LAYOUT_TYPES - 1U))) | |
4072 | return -EIO; | |
4073 | if (bitmap[1] & FATTR4_WORD1_FS_LAYOUT_TYPES) { | |
4074 | status = decode_first_pnfs_layout_type(xdr, layouttype); | |
4075 | bitmap[1] &= ~FATTR4_WORD1_FS_LAYOUT_TYPES; | |
4076 | } else | |
4077 | *layouttype = 0; | |
4078 | return status; | |
4079 | } | |
4080 | ||
1da177e4 LT |
4081 | static int decode_fsinfo(struct xdr_stream *xdr, struct nfs_fsinfo *fsinfo) |
4082 | { | |
8687b63a | 4083 | __be32 *savep; |
1da177e4 LT |
4084 | uint32_t attrlen, bitmap[2]; |
4085 | int status; | |
4086 | ||
4087 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
4088 | goto xdr_error; | |
4089 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4090 | goto xdr_error; | |
4091 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4092 | goto xdr_error; | |
4093 | ||
4094 | fsinfo->rtmult = fsinfo->wtmult = 512; /* ??? */ | |
4095 | ||
4096 | if ((status = decode_attr_lease_time(xdr, bitmap, &fsinfo->lease_time)) != 0) | |
4097 | goto xdr_error; | |
4098 | if ((status = decode_attr_maxfilesize(xdr, bitmap, &fsinfo->maxfilesize)) != 0) | |
4099 | goto xdr_error; | |
4100 | if ((status = decode_attr_maxread(xdr, bitmap, &fsinfo->rtmax)) != 0) | |
4101 | goto xdr_error; | |
4102 | fsinfo->rtpref = fsinfo->dtpref = fsinfo->rtmax; | |
4103 | if ((status = decode_attr_maxwrite(xdr, bitmap, &fsinfo->wtmax)) != 0) | |
4104 | goto xdr_error; | |
4105 | fsinfo->wtpref = fsinfo->wtmax; | |
55b6e774 | 4106 | status = decode_attr_time_delta(xdr, bitmap, &fsinfo->time_delta); |
504913fb AA |
4107 | if (status != 0) |
4108 | goto xdr_error; | |
4109 | status = decode_attr_pnfstype(xdr, bitmap, &fsinfo->layouttype); | |
55b6e774 RL |
4110 | if (status != 0) |
4111 | goto xdr_error; | |
1da177e4 LT |
4112 | |
4113 | status = verify_attr_len(xdr, savep, attrlen); | |
4114 | xdr_error: | |
3110ff80 | 4115 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4116 | return status; |
4117 | } | |
4118 | ||
4119 | static int decode_getfh(struct xdr_stream *xdr, struct nfs_fh *fh) | |
4120 | { | |
8687b63a | 4121 | __be32 *p; |
1da177e4 LT |
4122 | uint32_t len; |
4123 | int status; | |
4124 | ||
9936781d TM |
4125 | /* Zero handle first to allow comparisons */ |
4126 | memset(fh, 0, sizeof(*fh)); | |
4127 | ||
1da177e4 LT |
4128 | status = decode_op_hdr(xdr, OP_GETFH); |
4129 | if (status) | |
4130 | return status; | |
1da177e4 | 4131 | |
c0eae66e BH |
4132 | p = xdr_inline_decode(xdr, 4); |
4133 | if (unlikely(!p)) | |
4134 | goto out_overflow; | |
cccddf4f | 4135 | len = be32_to_cpup(p); |
1da177e4 LT |
4136 | if (len > NFS4_FHSIZE) |
4137 | return -EIO; | |
4138 | fh->size = len; | |
c0eae66e BH |
4139 | p = xdr_inline_decode(xdr, len); |
4140 | if (unlikely(!p)) | |
4141 | goto out_overflow; | |
99398d06 | 4142 | memcpy(fh->data, p, len); |
1da177e4 | 4143 | return 0; |
c0eae66e BH |
4144 | out_overflow: |
4145 | print_overflow_msg(__func__, xdr); | |
4146 | return -EIO; | |
1da177e4 LT |
4147 | } |
4148 | ||
4149 | static int decode_link(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4150 | { | |
4151 | int status; | |
6c0195a4 | 4152 | |
1da177e4 LT |
4153 | status = decode_op_hdr(xdr, OP_LINK); |
4154 | if (status) | |
4155 | return status; | |
4156 | return decode_change_info(xdr, cinfo); | |
4157 | } | |
4158 | ||
4159 | /* | |
4160 | * We create the owner, so we know a proper owner.id length is 4. | |
4161 | */ | |
911d1aaf | 4162 | static int decode_lock_denied (struct xdr_stream *xdr, struct file_lock *fl) |
1da177e4 | 4163 | { |
911d1aaf | 4164 | uint64_t offset, length, clientid; |
8687b63a | 4165 | __be32 *p; |
911d1aaf | 4166 | uint32_t namelen, type; |
1da177e4 | 4167 | |
babddc72 | 4168 | p = xdr_inline_decode(xdr, 32); /* read 32 bytes */ |
c0eae66e BH |
4169 | if (unlikely(!p)) |
4170 | goto out_overflow; | |
babddc72 | 4171 | p = xdr_decode_hyper(p, &offset); /* read 2 8-byte long words */ |
3ceb4dbb | 4172 | p = xdr_decode_hyper(p, &length); |
babddc72 BS |
4173 | type = be32_to_cpup(p++); /* 4 byte read */ |
4174 | if (fl != NULL) { /* manipulate file lock */ | |
911d1aaf TM |
4175 | fl->fl_start = (loff_t)offset; |
4176 | fl->fl_end = fl->fl_start + (loff_t)length - 1; | |
4177 | if (length == ~(uint64_t)0) | |
4178 | fl->fl_end = OFFSET_MAX; | |
4179 | fl->fl_type = F_WRLCK; | |
4180 | if (type & 1) | |
4181 | fl->fl_type = F_RDLCK; | |
4182 | fl->fl_pid = 0; | |
4183 | } | |
babddc72 BS |
4184 | p = xdr_decode_hyper(p, &clientid); /* read 8 bytes */ |
4185 | namelen = be32_to_cpup(p); /* read 4 bytes */ /* have read all 32 bytes now */ | |
4186 | p = xdr_inline_decode(xdr, namelen); /* variable size field */ | |
c0eae66e BH |
4187 | if (likely(p)) |
4188 | return -NFS4ERR_DENIED; | |
4189 | out_overflow: | |
4190 | print_overflow_msg(__func__, xdr); | |
4191 | return -EIO; | |
1da177e4 LT |
4192 | } |
4193 | ||
911d1aaf | 4194 | static int decode_lock(struct xdr_stream *xdr, struct nfs_lock_res *res) |
1da177e4 | 4195 | { |
1da177e4 LT |
4196 | int status; |
4197 | ||
4198 | status = decode_op_hdr(xdr, OP_LOCK); | |
c1d51931 TM |
4199 | if (status == -EIO) |
4200 | goto out; | |
1da177e4 | 4201 | if (status == 0) { |
07d30434 BH |
4202 | status = decode_stateid(xdr, &res->stateid); |
4203 | if (unlikely(status)) | |
4204 | goto out; | |
1da177e4 | 4205 | } else if (status == -NFS4ERR_DENIED) |
c1d51931 TM |
4206 | status = decode_lock_denied(xdr, NULL); |
4207 | if (res->open_seqid != NULL) | |
4208 | nfs_increment_open_seqid(status, res->open_seqid); | |
4209 | nfs_increment_lock_seqid(status, res->lock_seqid); | |
4210 | out: | |
1da177e4 LT |
4211 | return status; |
4212 | } | |
4213 | ||
911d1aaf | 4214 | static int decode_lockt(struct xdr_stream *xdr, struct nfs_lockt_res *res) |
1da177e4 LT |
4215 | { |
4216 | int status; | |
4217 | status = decode_op_hdr(xdr, OP_LOCKT); | |
4218 | if (status == -NFS4ERR_DENIED) | |
911d1aaf | 4219 | return decode_lock_denied(xdr, res->denied); |
1da177e4 LT |
4220 | return status; |
4221 | } | |
4222 | ||
911d1aaf | 4223 | static int decode_locku(struct xdr_stream *xdr, struct nfs_locku_res *res) |
1da177e4 | 4224 | { |
1da177e4 LT |
4225 | int status; |
4226 | ||
4227 | status = decode_op_hdr(xdr, OP_LOCKU); | |
c1d51931 TM |
4228 | if (status != -EIO) |
4229 | nfs_increment_lock_seqid(status, res->seqid); | |
07d30434 BH |
4230 | if (status == 0) |
4231 | status = decode_stateid(xdr, &res->stateid); | |
1da177e4 LT |
4232 | return status; |
4233 | } | |
4234 | ||
d3c7b7cc TM |
4235 | static int decode_release_lockowner(struct xdr_stream *xdr) |
4236 | { | |
4237 | return decode_op_hdr(xdr, OP_RELEASE_LOCKOWNER); | |
4238 | } | |
4239 | ||
1da177e4 LT |
4240 | static int decode_lookup(struct xdr_stream *xdr) |
4241 | { | |
4242 | return decode_op_hdr(xdr, OP_LOOKUP); | |
4243 | } | |
4244 | ||
4245 | /* This is too sick! */ | |
4246 | static int decode_space_limit(struct xdr_stream *xdr, u64 *maxsize) | |
4247 | { | |
05d564fe | 4248 | __be32 *p; |
1da177e4 LT |
4249 | uint32_t limit_type, nblocks, blocksize; |
4250 | ||
c0eae66e BH |
4251 | p = xdr_inline_decode(xdr, 12); |
4252 | if (unlikely(!p)) | |
4253 | goto out_overflow; | |
6f723f77 | 4254 | limit_type = be32_to_cpup(p++); |
1da177e4 | 4255 | switch (limit_type) { |
05d564fe | 4256 | case 1: |
cccddf4f | 4257 | xdr_decode_hyper(p, maxsize); |
05d564fe AA |
4258 | break; |
4259 | case 2: | |
6f723f77 | 4260 | nblocks = be32_to_cpup(p++); |
cccddf4f | 4261 | blocksize = be32_to_cpup(p); |
05d564fe | 4262 | *maxsize = (uint64_t)nblocks * (uint64_t)blocksize; |
1da177e4 LT |
4263 | } |
4264 | return 0; | |
c0eae66e BH |
4265 | out_overflow: |
4266 | print_overflow_msg(__func__, xdr); | |
4267 | return -EIO; | |
1da177e4 LT |
4268 | } |
4269 | ||
4270 | static int decode_delegation(struct xdr_stream *xdr, struct nfs_openres *res) | |
4271 | { | |
05d564fe AA |
4272 | __be32 *p; |
4273 | uint32_t delegation_type; | |
07d30434 | 4274 | int status; |
1da177e4 | 4275 | |
c0eae66e BH |
4276 | p = xdr_inline_decode(xdr, 4); |
4277 | if (unlikely(!p)) | |
4278 | goto out_overflow; | |
cccddf4f | 4279 | delegation_type = be32_to_cpup(p); |
1da177e4 LT |
4280 | if (delegation_type == NFS4_OPEN_DELEGATE_NONE) { |
4281 | res->delegation_type = 0; | |
4282 | return 0; | |
4283 | } | |
07d30434 BH |
4284 | status = decode_stateid(xdr, &res->delegation); |
4285 | if (unlikely(status)) | |
4286 | return status; | |
c0eae66e BH |
4287 | p = xdr_inline_decode(xdr, 4); |
4288 | if (unlikely(!p)) | |
4289 | goto out_overflow; | |
cccddf4f | 4290 | res->do_recall = be32_to_cpup(p); |
05d564fe | 4291 | |
1da177e4 | 4292 | switch (delegation_type) { |
05d564fe AA |
4293 | case NFS4_OPEN_DELEGATE_READ: |
4294 | res->delegation_type = FMODE_READ; | |
4295 | break; | |
4296 | case NFS4_OPEN_DELEGATE_WRITE: | |
4297 | res->delegation_type = FMODE_WRITE|FMODE_READ; | |
4298 | if (decode_space_limit(xdr, &res->maxsize) < 0) | |
1da177e4 LT |
4299 | return -EIO; |
4300 | } | |
7539bbab | 4301 | return decode_ace(xdr, NULL, res->server->nfs_client); |
c0eae66e BH |
4302 | out_overflow: |
4303 | print_overflow_msg(__func__, xdr); | |
4304 | return -EIO; | |
1da177e4 LT |
4305 | } |
4306 | ||
4307 | static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res) | |
4308 | { | |
05d564fe | 4309 | __be32 *p; |
aa53ed54 | 4310 | uint32_t savewords, bmlen, i; |
05d564fe | 4311 | int status; |
1da177e4 | 4312 | |
05d564fe | 4313 | status = decode_op_hdr(xdr, OP_OPEN); |
c1d51931 TM |
4314 | if (status != -EIO) |
4315 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4316 | if (!status) |
4317 | status = decode_stateid(xdr, &res->stateid); | |
4318 | if (unlikely(status)) | |
05d564fe | 4319 | return status; |
1da177e4 | 4320 | |
05d564fe | 4321 | decode_change_info(xdr, &res->cinfo); |
1da177e4 | 4322 | |
c0eae66e BH |
4323 | p = xdr_inline_decode(xdr, 8); |
4324 | if (unlikely(!p)) | |
4325 | goto out_overflow; | |
6f723f77 | 4326 | res->rflags = be32_to_cpup(p++); |
cccddf4f | 4327 | bmlen = be32_to_cpup(p); |
05d564fe AA |
4328 | if (bmlen > 10) |
4329 | goto xdr_error; | |
1da177e4 | 4330 | |
c0eae66e BH |
4331 | p = xdr_inline_decode(xdr, bmlen << 2); |
4332 | if (unlikely(!p)) | |
4333 | goto out_overflow; | |
aa53ed54 JL |
4334 | savewords = min_t(uint32_t, bmlen, NFS4_BITMAP_SIZE); |
4335 | for (i = 0; i < savewords; ++i) | |
6f723f77 | 4336 | res->attrset[i] = be32_to_cpup(p++); |
aa53ed54 JL |
4337 | for (; i < NFS4_BITMAP_SIZE; i++) |
4338 | res->attrset[i] = 0; | |
4339 | ||
1da177e4 LT |
4340 | return decode_delegation(xdr, res); |
4341 | xdr_error: | |
3110ff80 | 4342 | dprintk("%s: Bitmap too large! Length = %u\n", __func__, bmlen); |
1da177e4 | 4343 | return -EIO; |
c0eae66e BH |
4344 | out_overflow: |
4345 | print_overflow_msg(__func__, xdr); | |
4346 | return -EIO; | |
1da177e4 LT |
4347 | } |
4348 | ||
4349 | static int decode_open_confirm(struct xdr_stream *xdr, struct nfs_open_confirmres *res) | |
4350 | { | |
1da177e4 LT |
4351 | int status; |
4352 | ||
05d564fe | 4353 | status = decode_op_hdr(xdr, OP_OPEN_CONFIRM); |
c1d51931 TM |
4354 | if (status != -EIO) |
4355 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4356 | if (!status) |
4357 | status = decode_stateid(xdr, &res->stateid); | |
4358 | return status; | |
1da177e4 LT |
4359 | } |
4360 | ||
4361 | static int decode_open_downgrade(struct xdr_stream *xdr, struct nfs_closeres *res) | |
4362 | { | |
1da177e4 LT |
4363 | int status; |
4364 | ||
4365 | status = decode_op_hdr(xdr, OP_OPEN_DOWNGRADE); | |
c1d51931 TM |
4366 | if (status != -EIO) |
4367 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4368 | if (!status) |
4369 | status = decode_stateid(xdr, &res->stateid); | |
4370 | return status; | |
1da177e4 LT |
4371 | } |
4372 | ||
4373 | static int decode_putfh(struct xdr_stream *xdr) | |
4374 | { | |
4375 | return decode_op_hdr(xdr, OP_PUTFH); | |
4376 | } | |
4377 | ||
4378 | static int decode_putrootfh(struct xdr_stream *xdr) | |
4379 | { | |
4380 | return decode_op_hdr(xdr, OP_PUTROOTFH); | |
4381 | } | |
4382 | ||
4383 | static int decode_read(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs_readres *res) | |
4384 | { | |
4385 | struct kvec *iov = req->rq_rcv_buf.head; | |
8687b63a | 4386 | __be32 *p; |
1da177e4 LT |
4387 | uint32_t count, eof, recvd, hdrlen; |
4388 | int status; | |
4389 | ||
4390 | status = decode_op_hdr(xdr, OP_READ); | |
4391 | if (status) | |
4392 | return status; | |
c0eae66e BH |
4393 | p = xdr_inline_decode(xdr, 8); |
4394 | if (unlikely(!p)) | |
4395 | goto out_overflow; | |
6f723f77 | 4396 | eof = be32_to_cpup(p++); |
cccddf4f | 4397 | count = be32_to_cpup(p); |
8111f373 | 4398 | hdrlen = (u8 *) xdr->p - (u8 *) iov->iov_base; |
1da177e4 LT |
4399 | recvd = req->rq_rcv_buf.len - hdrlen; |
4400 | if (count > recvd) { | |
fe82a183 | 4401 | dprintk("NFS: server cheating in read reply: " |
1da177e4 LT |
4402 | "count %u > recvd %u\n", count, recvd); |
4403 | count = recvd; | |
4404 | eof = 0; | |
4405 | } | |
4406 | xdr_read_pages(xdr, count); | |
4407 | res->eof = eof; | |
4408 | res->count = count; | |
4409 | return 0; | |
c0eae66e BH |
4410 | out_overflow: |
4411 | print_overflow_msg(__func__, xdr); | |
4412 | return -EIO; | |
1da177e4 LT |
4413 | } |
4414 | ||
4415 | static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs4_readdir_res *readdir) | |
4416 | { | |
4417 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; | |
1da177e4 | 4418 | struct kvec *iov = rcvbuf->head; |
bcecff77 CL |
4419 | size_t hdrlen; |
4420 | u32 recvd, pglen = rcvbuf->page_len; | |
bcecff77 | 4421 | int status; |
1da177e4 LT |
4422 | |
4423 | status = decode_op_hdr(xdr, OP_READDIR); | |
db942bbd BH |
4424 | if (!status) |
4425 | status = decode_verifier(xdr, readdir->verifier.data); | |
4426 | if (unlikely(status)) | |
1da177e4 | 4427 | return status; |
44109241 FI |
4428 | dprintk("%s: verifier = %08x:%08x\n", |
4429 | __func__, | |
eadf4598 TM |
4430 | ((u32 *)readdir->verifier.data)[0], |
4431 | ((u32 *)readdir->verifier.data)[1]); | |
4432 | ||
1da177e4 | 4433 | |
db942bbd | 4434 | hdrlen = (char *) xdr->p - (char *) iov->iov_base; |
1da177e4 LT |
4435 | recvd = rcvbuf->len - hdrlen; |
4436 | if (pglen > recvd) | |
4437 | pglen = recvd; | |
4438 | xdr_read_pages(xdr, pglen); | |
4439 | ||
afa8ccc9 | 4440 | |
ac396128 | 4441 | return pglen; |
1da177e4 LT |
4442 | } |
4443 | ||
4444 | static int decode_readlink(struct xdr_stream *xdr, struct rpc_rqst *req) | |
4445 | { | |
4446 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; | |
4447 | struct kvec *iov = rcvbuf->head; | |
bcecff77 CL |
4448 | size_t hdrlen; |
4449 | u32 len, recvd; | |
8687b63a | 4450 | __be32 *p; |
1da177e4 LT |
4451 | int status; |
4452 | ||
4453 | status = decode_op_hdr(xdr, OP_READLINK); | |
4454 | if (status) | |
4455 | return status; | |
4456 | ||
4457 | /* Convert length of symlink */ | |
c0eae66e BH |
4458 | p = xdr_inline_decode(xdr, 4); |
4459 | if (unlikely(!p)) | |
4460 | goto out_overflow; | |
cccddf4f | 4461 | len = be32_to_cpup(p); |
1da177e4 | 4462 | if (len >= rcvbuf->page_len || len <= 0) { |
fe82a183 | 4463 | dprintk("nfs: server returned giant symlink!\n"); |
1da177e4 LT |
4464 | return -ENAMETOOLONG; |
4465 | } | |
4466 | hdrlen = (char *) xdr->p - (char *) iov->iov_base; | |
4467 | recvd = req->rq_rcv_buf.len - hdrlen; | |
4468 | if (recvd < len) { | |
fe82a183 | 4469 | dprintk("NFS: server cheating in readlink reply: " |
1da177e4 LT |
4470 | "count %u > recvd %u\n", len, recvd); |
4471 | return -EIO; | |
4472 | } | |
4473 | xdr_read_pages(xdr, len); | |
4474 | /* | |
4475 | * The XDR encode routine has set things up so that | |
4476 | * the link text will be copied directly into the | |
4477 | * buffer. We just have to do overflow-checking, | |
4478 | * and and null-terminate the text (the VFS expects | |
4479 | * null-termination). | |
4480 | */ | |
b4687da7 | 4481 | xdr_terminate_string(rcvbuf, len); |
1da177e4 | 4482 | return 0; |
c0eae66e BH |
4483 | out_overflow: |
4484 | print_overflow_msg(__func__, xdr); | |
4485 | return -EIO; | |
1da177e4 LT |
4486 | } |
4487 | ||
4488 | static int decode_remove(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4489 | { | |
4490 | int status; | |
4491 | ||
4492 | status = decode_op_hdr(xdr, OP_REMOVE); | |
4493 | if (status) | |
4494 | goto out; | |
4495 | status = decode_change_info(xdr, cinfo); | |
4496 | out: | |
4497 | return status; | |
4498 | } | |
4499 | ||
4500 | static int decode_rename(struct xdr_stream *xdr, struct nfs4_change_info *old_cinfo, | |
4501 | struct nfs4_change_info *new_cinfo) | |
4502 | { | |
4503 | int status; | |
4504 | ||
4505 | status = decode_op_hdr(xdr, OP_RENAME); | |
4506 | if (status) | |
4507 | goto out; | |
4508 | if ((status = decode_change_info(xdr, old_cinfo))) | |
4509 | goto out; | |
4510 | status = decode_change_info(xdr, new_cinfo); | |
4511 | out: | |
4512 | return status; | |
4513 | } | |
4514 | ||
4515 | static int decode_renew(struct xdr_stream *xdr) | |
4516 | { | |
4517 | return decode_op_hdr(xdr, OP_RENEW); | |
4518 | } | |
4519 | ||
56ae19f3 TM |
4520 | static int |
4521 | decode_restorefh(struct xdr_stream *xdr) | |
4522 | { | |
4523 | return decode_op_hdr(xdr, OP_RESTOREFH); | |
4524 | } | |
4525 | ||
029d105e BF |
4526 | static int decode_getacl(struct xdr_stream *xdr, struct rpc_rqst *req, |
4527 | size_t *acl_len) | |
4528 | { | |
8687b63a | 4529 | __be32 *savep; |
029d105e BF |
4530 | uint32_t attrlen, |
4531 | bitmap[2] = {0}; | |
4532 | struct kvec *iov = req->rq_rcv_buf.head; | |
4533 | int status; | |
4534 | ||
4535 | *acl_len = 0; | |
4536 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
4537 | goto out; | |
4538 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4539 | goto out; | |
4540 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4541 | goto out; | |
4542 | ||
4543 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACL - 1U))) | |
4544 | return -EIO; | |
4545 | if (likely(bitmap[0] & FATTR4_WORD0_ACL)) { | |
bcecff77 CL |
4546 | size_t hdrlen; |
4547 | u32 recvd; | |
029d105e BF |
4548 | |
4549 | /* We ignore &savep and don't do consistency checks on | |
4550 | * the attr length. Let userspace figure it out.... */ | |
4551 | hdrlen = (u8 *)xdr->p - (u8 *)iov->iov_base; | |
4552 | recvd = req->rq_rcv_buf.len - hdrlen; | |
4553 | if (attrlen > recvd) { | |
fe82a183 | 4554 | dprintk("NFS: server cheating in getattr" |
029d105e BF |
4555 | " acl reply: attrlen %u > recvd %u\n", |
4556 | attrlen, recvd); | |
4557 | return -EINVAL; | |
4558 | } | |
c04871e6 | 4559 | xdr_read_pages(xdr, attrlen); |
029d105e | 4560 | *acl_len = attrlen; |
8c233cf9 BF |
4561 | } else |
4562 | status = -EOPNOTSUPP; | |
029d105e BF |
4563 | |
4564 | out: | |
4565 | return status; | |
4566 | } | |
4567 | ||
1da177e4 LT |
4568 | static int |
4569 | decode_savefh(struct xdr_stream *xdr) | |
4570 | { | |
4571 | return decode_op_hdr(xdr, OP_SAVEFH); | |
4572 | } | |
4573 | ||
9e9ecc03 | 4574 | static int decode_setattr(struct xdr_stream *xdr) |
1da177e4 | 4575 | { |
8687b63a | 4576 | __be32 *p; |
1da177e4 LT |
4577 | uint32_t bmlen; |
4578 | int status; | |
4579 | ||
1da177e4 LT |
4580 | status = decode_op_hdr(xdr, OP_SETATTR); |
4581 | if (status) | |
4582 | return status; | |
c0eae66e BH |
4583 | p = xdr_inline_decode(xdr, 4); |
4584 | if (unlikely(!p)) | |
4585 | goto out_overflow; | |
cccddf4f | 4586 | bmlen = be32_to_cpup(p); |
c0eae66e BH |
4587 | p = xdr_inline_decode(xdr, bmlen << 2); |
4588 | if (likely(p)) | |
4589 | return 0; | |
4590 | out_overflow: | |
4591 | print_overflow_msg(__func__, xdr); | |
4592 | return -EIO; | |
1da177e4 LT |
4593 | } |
4594 | ||
bb8b27e5 | 4595 | static int decode_setclientid(struct xdr_stream *xdr, struct nfs4_setclientid_res *res) |
1da177e4 | 4596 | { |
8687b63a | 4597 | __be32 *p; |
1da177e4 LT |
4598 | uint32_t opnum; |
4599 | int32_t nfserr; | |
4600 | ||
c0eae66e BH |
4601 | p = xdr_inline_decode(xdr, 8); |
4602 | if (unlikely(!p)) | |
4603 | goto out_overflow; | |
6f723f77 | 4604 | opnum = be32_to_cpup(p++); |
1da177e4 | 4605 | if (opnum != OP_SETCLIENTID) { |
fe82a183 | 4606 | dprintk("nfs: decode_setclientid: Server returned operation" |
6c0195a4 | 4607 | " %d\n", opnum); |
1da177e4 LT |
4608 | return -EIO; |
4609 | } | |
cccddf4f | 4610 | nfserr = be32_to_cpup(p); |
1da177e4 | 4611 | if (nfserr == NFS_OK) { |
c0eae66e BH |
4612 | p = xdr_inline_decode(xdr, 8 + NFS4_VERIFIER_SIZE); |
4613 | if (unlikely(!p)) | |
4614 | goto out_overflow; | |
bb8b27e5 TM |
4615 | p = xdr_decode_hyper(p, &res->clientid); |
4616 | memcpy(res->confirm.data, p, NFS4_VERIFIER_SIZE); | |
1da177e4 LT |
4617 | } else if (nfserr == NFSERR_CLID_INUSE) { |
4618 | uint32_t len; | |
4619 | ||
4620 | /* skip netid string */ | |
c0eae66e BH |
4621 | p = xdr_inline_decode(xdr, 4); |
4622 | if (unlikely(!p)) | |
4623 | goto out_overflow; | |
cccddf4f | 4624 | len = be32_to_cpup(p); |
c0eae66e BH |
4625 | p = xdr_inline_decode(xdr, len); |
4626 | if (unlikely(!p)) | |
4627 | goto out_overflow; | |
1da177e4 LT |
4628 | |
4629 | /* skip uaddr string */ | |
c0eae66e BH |
4630 | p = xdr_inline_decode(xdr, 4); |
4631 | if (unlikely(!p)) | |
4632 | goto out_overflow; | |
cccddf4f | 4633 | len = be32_to_cpup(p); |
c0eae66e BH |
4634 | p = xdr_inline_decode(xdr, len); |
4635 | if (unlikely(!p)) | |
4636 | goto out_overflow; | |
1da177e4 LT |
4637 | return -NFSERR_CLID_INUSE; |
4638 | } else | |
856dff3d | 4639 | return nfs4_stat_to_errno(nfserr); |
1da177e4 LT |
4640 | |
4641 | return 0; | |
c0eae66e BH |
4642 | out_overflow: |
4643 | print_overflow_msg(__func__, xdr); | |
4644 | return -EIO; | |
1da177e4 LT |
4645 | } |
4646 | ||
4647 | static int decode_setclientid_confirm(struct xdr_stream *xdr) | |
4648 | { | |
4649 | return decode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM); | |
4650 | } | |
4651 | ||
4652 | static int decode_write(struct xdr_stream *xdr, struct nfs_writeres *res) | |
4653 | { | |
8687b63a | 4654 | __be32 *p; |
1da177e4 LT |
4655 | int status; |
4656 | ||
4657 | status = decode_op_hdr(xdr, OP_WRITE); | |
4658 | if (status) | |
4659 | return status; | |
4660 | ||
c0eae66e BH |
4661 | p = xdr_inline_decode(xdr, 16); |
4662 | if (unlikely(!p)) | |
4663 | goto out_overflow; | |
6f723f77 BH |
4664 | res->count = be32_to_cpup(p++); |
4665 | res->verf->committed = be32_to_cpup(p++); | |
99398d06 | 4666 | memcpy(res->verf->verifier, p, 8); |
1da177e4 | 4667 | return 0; |
c0eae66e BH |
4668 | out_overflow: |
4669 | print_overflow_msg(__func__, xdr); | |
4670 | return -EIO; | |
1da177e4 LT |
4671 | } |
4672 | ||
4673 | static int decode_delegreturn(struct xdr_stream *xdr) | |
4674 | { | |
4675 | return decode_op_hdr(xdr, OP_DELEGRETURN); | |
4676 | } | |
4677 | ||
99fe60d0 BH |
4678 | #if defined(CONFIG_NFS_V4_1) |
4679 | static int decode_exchange_id(struct xdr_stream *xdr, | |
4680 | struct nfs41_exchange_id_res *res) | |
4681 | { | |
4682 | __be32 *p; | |
4683 | uint32_t dummy; | |
2460ba57 | 4684 | char *dummy_str; |
99fe60d0 BH |
4685 | int status; |
4686 | struct nfs_client *clp = res->client; | |
4687 | ||
4688 | status = decode_op_hdr(xdr, OP_EXCHANGE_ID); | |
4689 | if (status) | |
4690 | return status; | |
4691 | ||
c0eae66e BH |
4692 | p = xdr_inline_decode(xdr, 8); |
4693 | if (unlikely(!p)) | |
4694 | goto out_overflow; | |
cccddf4f | 4695 | xdr_decode_hyper(p, &clp->cl_ex_clid); |
c0eae66e BH |
4696 | p = xdr_inline_decode(xdr, 12); |
4697 | if (unlikely(!p)) | |
4698 | goto out_overflow; | |
6f723f77 BH |
4699 | clp->cl_seqid = be32_to_cpup(p++); |
4700 | clp->cl_exchange_flags = be32_to_cpup(p++); | |
99fe60d0 BH |
4701 | |
4702 | /* We ask for SP4_NONE */ | |
cccddf4f | 4703 | dummy = be32_to_cpup(p); |
99fe60d0 BH |
4704 | if (dummy != SP4_NONE) |
4705 | return -EIO; | |
4706 | ||
4707 | /* Throw away minor_id */ | |
c0eae66e BH |
4708 | p = xdr_inline_decode(xdr, 8); |
4709 | if (unlikely(!p)) | |
4710 | goto out_overflow; | |
99fe60d0 BH |
4711 | |
4712 | /* Throw away Major id */ | |
2460ba57 BH |
4713 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
4714 | if (unlikely(status)) | |
4715 | return status; | |
99fe60d0 BH |
4716 | |
4717 | /* Throw away server_scope */ | |
2460ba57 BH |
4718 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
4719 | if (unlikely(status)) | |
4720 | return status; | |
99fe60d0 BH |
4721 | |
4722 | /* Throw away Implementation id array */ | |
2460ba57 BH |
4723 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
4724 | if (unlikely(status)) | |
4725 | return status; | |
99fe60d0 BH |
4726 | |
4727 | return 0; | |
c0eae66e BH |
4728 | out_overflow: |
4729 | print_overflow_msg(__func__, xdr); | |
4730 | return -EIO; | |
99fe60d0 | 4731 | } |
fc931582 AA |
4732 | |
4733 | static int decode_chan_attrs(struct xdr_stream *xdr, | |
4734 | struct nfs4_channel_attrs *attrs) | |
4735 | { | |
4736 | __be32 *p; | |
4737 | u32 nr_attrs; | |
4738 | ||
c0eae66e BH |
4739 | p = xdr_inline_decode(xdr, 28); |
4740 | if (unlikely(!p)) | |
4741 | goto out_overflow; | |
6f723f77 BH |
4742 | attrs->headerpadsz = be32_to_cpup(p++); |
4743 | attrs->max_rqst_sz = be32_to_cpup(p++); | |
4744 | attrs->max_resp_sz = be32_to_cpup(p++); | |
4745 | attrs->max_resp_sz_cached = be32_to_cpup(p++); | |
4746 | attrs->max_ops = be32_to_cpup(p++); | |
4747 | attrs->max_reqs = be32_to_cpup(p++); | |
cccddf4f | 4748 | nr_attrs = be32_to_cpup(p); |
fc931582 AA |
4749 | if (unlikely(nr_attrs > 1)) { |
4750 | printk(KERN_WARNING "%s: Invalid rdma channel attrs count %u\n", | |
4751 | __func__, nr_attrs); | |
4752 | return -EINVAL; | |
4753 | } | |
c0eae66e BH |
4754 | if (nr_attrs == 1) { |
4755 | p = xdr_inline_decode(xdr, 4); /* skip rdma_attrs */ | |
4756 | if (unlikely(!p)) | |
4757 | goto out_overflow; | |
4758 | } | |
fc931582 | 4759 | return 0; |
c0eae66e BH |
4760 | out_overflow: |
4761 | print_overflow_msg(__func__, xdr); | |
4762 | return -EIO; | |
fc931582 AA |
4763 | } |
4764 | ||
e78291e4 BH |
4765 | static int decode_sessionid(struct xdr_stream *xdr, struct nfs4_sessionid *sid) |
4766 | { | |
4767 | return decode_opaque_fixed(xdr, sid->data, NFS4_MAX_SESSIONID_LEN); | |
fc931582 AA |
4768 | } |
4769 | ||
4770 | static int decode_create_session(struct xdr_stream *xdr, | |
4771 | struct nfs41_create_session_res *res) | |
4772 | { | |
4773 | __be32 *p; | |
4774 | int status; | |
4775 | struct nfs_client *clp = res->client; | |
4776 | struct nfs4_session *session = clp->cl_session; | |
4777 | ||
4778 | status = decode_op_hdr(xdr, OP_CREATE_SESSION); | |
e78291e4 BH |
4779 | if (!status) |
4780 | status = decode_sessionid(xdr, &session->sess_id); | |
4781 | if (unlikely(status)) | |
fc931582 AA |
4782 | return status; |
4783 | ||
fc931582 | 4784 | /* seqid, flags */ |
c0eae66e BH |
4785 | p = xdr_inline_decode(xdr, 8); |
4786 | if (unlikely(!p)) | |
4787 | goto out_overflow; | |
6f723f77 | 4788 | clp->cl_seqid = be32_to_cpup(p++); |
cccddf4f | 4789 | session->flags = be32_to_cpup(p); |
fc931582 AA |
4790 | |
4791 | /* Channel attributes */ | |
4792 | status = decode_chan_attrs(xdr, &session->fc_attrs); | |
4793 | if (!status) | |
4794 | status = decode_chan_attrs(xdr, &session->bc_attrs); | |
4795 | return status; | |
c0eae66e BH |
4796 | out_overflow: |
4797 | print_overflow_msg(__func__, xdr); | |
4798 | return -EIO; | |
fc931582 | 4799 | } |
0f3e66c6 AA |
4800 | |
4801 | static int decode_destroy_session(struct xdr_stream *xdr, void *dummy) | |
4802 | { | |
4803 | return decode_op_hdr(xdr, OP_DESTROY_SESSION); | |
4804 | } | |
18019753 RL |
4805 | |
4806 | static int decode_reclaim_complete(struct xdr_stream *xdr, void *dummy) | |
4807 | { | |
4808 | return decode_op_hdr(xdr, OP_RECLAIM_COMPLETE); | |
4809 | } | |
99fe60d0 BH |
4810 | #endif /* CONFIG_NFS_V4_1 */ |
4811 | ||
9b7b9fcc AA |
4812 | static int decode_sequence(struct xdr_stream *xdr, |
4813 | struct nfs4_sequence_res *res, | |
4814 | struct rpc_rqst *rqstp) | |
4815 | { | |
4816 | #if defined(CONFIG_NFS_V4_1) | |
fc01cea9 AA |
4817 | struct nfs4_sessionid id; |
4818 | u32 dummy; | |
4819 | int status; | |
4820 | __be32 *p; | |
4821 | ||
9b7b9fcc AA |
4822 | if (!res->sr_session) |
4823 | return 0; | |
4824 | ||
fc01cea9 | 4825 | status = decode_op_hdr(xdr, OP_SEQUENCE); |
e78291e4 BH |
4826 | if (!status) |
4827 | status = decode_sessionid(xdr, &id); | |
4828 | if (unlikely(status)) | |
fc01cea9 | 4829 | goto out_err; |
9b7b9fcc | 4830 | |
fc01cea9 AA |
4831 | /* |
4832 | * If the server returns different values for sessionID, slotID or | |
4833 | * sequence number, the server is looney tunes. | |
4834 | */ | |
fdcb4577 | 4835 | status = -EREMOTEIO; |
fc01cea9 | 4836 | |
fc01cea9 AA |
4837 | if (memcmp(id.data, res->sr_session->sess_id.data, |
4838 | NFS4_MAX_SESSIONID_LEN)) { | |
4839 | dprintk("%s Invalid session id\n", __func__); | |
4840 | goto out_err; | |
4841 | } | |
e78291e4 | 4842 | |
c0eae66e BH |
4843 | p = xdr_inline_decode(xdr, 20); |
4844 | if (unlikely(!p)) | |
4845 | goto out_overflow; | |
e78291e4 | 4846 | |
fc01cea9 | 4847 | /* seqid */ |
6f723f77 | 4848 | dummy = be32_to_cpup(p++); |
dfb4f309 | 4849 | if (dummy != res->sr_slot->seq_nr) { |
fc01cea9 AA |
4850 | dprintk("%s Invalid sequence number\n", __func__); |
4851 | goto out_err; | |
4852 | } | |
4853 | /* slot id */ | |
6f723f77 | 4854 | dummy = be32_to_cpup(p++); |
dfb4f309 | 4855 | if (dummy != res->sr_slot - res->sr_session->fc_slot_table.slots) { |
fc01cea9 AA |
4856 | dprintk("%s Invalid slot id\n", __func__); |
4857 | goto out_err; | |
4858 | } | |
4859 | /* highest slot id - currently not processed */ | |
6f723f77 | 4860 | dummy = be32_to_cpup(p++); |
fc01cea9 | 4861 | /* target highest slot id - currently not processed */ |
6f723f77 | 4862 | dummy = be32_to_cpup(p++); |
0629e370 AB |
4863 | /* result flags */ |
4864 | res->sr_status_flags = be32_to_cpup(p); | |
fc01cea9 AA |
4865 | status = 0; |
4866 | out_err: | |
4867 | res->sr_status = status; | |
4868 | return status; | |
c0eae66e BH |
4869 | out_overflow: |
4870 | print_overflow_msg(__func__, xdr); | |
4871 | status = -EIO; | |
4872 | goto out_err; | |
fc01cea9 | 4873 | #else /* CONFIG_NFS_V4_1 */ |
9b7b9fcc | 4874 | return 0; |
fc01cea9 | 4875 | #endif /* CONFIG_NFS_V4_1 */ |
9b7b9fcc AA |
4876 | } |
4877 | ||
b1f69b75 AA |
4878 | #if defined(CONFIG_NFS_V4_1) |
4879 | ||
4880 | static int decode_getdeviceinfo(struct xdr_stream *xdr, | |
4881 | struct pnfs_device *pdev) | |
4882 | { | |
4883 | __be32 *p; | |
4884 | uint32_t len, type; | |
4885 | int status; | |
4886 | ||
4887 | status = decode_op_hdr(xdr, OP_GETDEVICEINFO); | |
4888 | if (status) { | |
4889 | if (status == -ETOOSMALL) { | |
4890 | p = xdr_inline_decode(xdr, 4); | |
4891 | if (unlikely(!p)) | |
4892 | goto out_overflow; | |
4893 | pdev->mincount = be32_to_cpup(p); | |
4894 | dprintk("%s: Min count too small. mincnt = %u\n", | |
4895 | __func__, pdev->mincount); | |
4896 | } | |
4897 | return status; | |
4898 | } | |
4899 | ||
4900 | p = xdr_inline_decode(xdr, 8); | |
4901 | if (unlikely(!p)) | |
4902 | goto out_overflow; | |
4903 | type = be32_to_cpup(p++); | |
4904 | if (type != pdev->layout_type) { | |
4905 | dprintk("%s: layout mismatch req: %u pdev: %u\n", | |
4906 | __func__, pdev->layout_type, type); | |
4907 | return -EINVAL; | |
4908 | } | |
4909 | /* | |
4910 | * Get the length of the opaque device_addr4. xdr_read_pages places | |
4911 | * the opaque device_addr4 in the xdr_buf->pages (pnfs_device->pages) | |
4912 | * and places the remaining xdr data in xdr_buf->tail | |
4913 | */ | |
4914 | pdev->mincount = be32_to_cpup(p); | |
4915 | xdr_read_pages(xdr, pdev->mincount); /* include space for the length */ | |
4916 | ||
4917 | /* Parse notification bitmap, verifying that it is zero. */ | |
4918 | p = xdr_inline_decode(xdr, 4); | |
4919 | if (unlikely(!p)) | |
4920 | goto out_overflow; | |
4921 | len = be32_to_cpup(p); | |
4922 | if (len) { | |
ead00597 | 4923 | uint32_t i; |
b1f69b75 AA |
4924 | |
4925 | p = xdr_inline_decode(xdr, 4 * len); | |
4926 | if (unlikely(!p)) | |
4927 | goto out_overflow; | |
4928 | for (i = 0; i < len; i++, p++) { | |
4929 | if (be32_to_cpup(p)) { | |
4930 | dprintk("%s: notifications not supported\n", | |
4931 | __func__); | |
4932 | return -EIO; | |
4933 | } | |
4934 | } | |
4935 | } | |
4936 | return 0; | |
4937 | out_overflow: | |
4938 | print_overflow_msg(__func__, xdr); | |
4939 | return -EIO; | |
4940 | } | |
4941 | ||
4942 | static int decode_layoutget(struct xdr_stream *xdr, struct rpc_rqst *req, | |
4943 | struct nfs4_layoutget_res *res) | |
4944 | { | |
4945 | __be32 *p; | |
4946 | int status; | |
4947 | u32 layout_count; | |
4948 | ||
4949 | status = decode_op_hdr(xdr, OP_LAYOUTGET); | |
4950 | if (status) | |
4951 | return status; | |
4952 | p = xdr_inline_decode(xdr, 8 + NFS4_STATEID_SIZE); | |
4953 | if (unlikely(!p)) | |
4954 | goto out_overflow; | |
4955 | res->return_on_close = be32_to_cpup(p++); | |
4956 | p = xdr_decode_opaque_fixed(p, res->stateid.data, NFS4_STATEID_SIZE); | |
4957 | layout_count = be32_to_cpup(p); | |
4958 | if (!layout_count) { | |
4959 | dprintk("%s: server responded with empty layout array\n", | |
4960 | __func__); | |
4961 | return -EINVAL; | |
4962 | } | |
4963 | ||
4964 | p = xdr_inline_decode(xdr, 24); | |
4965 | if (unlikely(!p)) | |
4966 | goto out_overflow; | |
4967 | p = xdr_decode_hyper(p, &res->range.offset); | |
4968 | p = xdr_decode_hyper(p, &res->range.length); | |
4969 | res->range.iomode = be32_to_cpup(p++); | |
4970 | res->type = be32_to_cpup(p++); | |
4971 | ||
4972 | status = decode_opaque_inline(xdr, &res->layout.len, (char **)&p); | |
4973 | if (unlikely(status)) | |
4974 | return status; | |
4975 | ||
4976 | dprintk("%s roff:%lu rlen:%lu riomode:%d, lo_type:0x%x, lo.len:%d\n", | |
4977 | __func__, | |
4978 | (unsigned long)res->range.offset, | |
4979 | (unsigned long)res->range.length, | |
4980 | res->range.iomode, | |
4981 | res->type, | |
4982 | res->layout.len); | |
4983 | ||
4984 | /* nfs4_proc_layoutget allocated a single page */ | |
4985 | if (res->layout.len > PAGE_SIZE) | |
4986 | return -ENOMEM; | |
4987 | memcpy(res->layout.buf, p, res->layout.len); | |
4988 | ||
4989 | if (layout_count > 1) { | |
4990 | /* We only handle a length one array at the moment. Any | |
4991 | * further entries are just ignored. Note that this means | |
4992 | * the client may see a response that is less than the | |
4993 | * minimum it requested. | |
4994 | */ | |
4995 | dprintk("%s: server responded with %d layouts, dropping tail\n", | |
4996 | __func__, layout_count); | |
4997 | } | |
4998 | ||
4999 | return 0; | |
5000 | out_overflow: | |
5001 | print_overflow_msg(__func__, xdr); | |
5002 | return -EIO; | |
5003 | } | |
5004 | #endif /* CONFIG_NFS_V4_1 */ | |
5005 | ||
49c2559e BH |
5006 | /* |
5007 | * END OF "GENERIC" DECODE ROUTINES. | |
5008 | */ | |
5009 | ||
1da177e4 LT |
5010 | /* |
5011 | * Decode OPEN_DOWNGRADE response | |
5012 | */ | |
bf269551 CL |
5013 | static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst *rqstp, |
5014 | struct xdr_stream *xdr, | |
5015 | struct nfs_closeres *res) | |
1da177e4 | 5016 | { |
05d564fe AA |
5017 | struct compound_hdr hdr; |
5018 | int status; | |
5019 | ||
bf269551 | 5020 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5021 | if (status) |
5022 | goto out; | |
bf269551 | 5023 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
5024 | if (status) |
5025 | goto out; | |
bf269551 | 5026 | status = decode_putfh(xdr); |
05d564fe AA |
5027 | if (status) |
5028 | goto out; | |
bf269551 | 5029 | status = decode_open_downgrade(xdr, res); |
516a6af6 TM |
5030 | if (status != 0) |
5031 | goto out; | |
bf269551 | 5032 | decode_getfattr(xdr, res->fattr, res->server, |
80e52ace | 5033 | !RPC_IS_ASYNC(rqstp->rq_task)); |
1da177e4 | 5034 | out: |
05d564fe | 5035 | return status; |
1da177e4 LT |
5036 | } |
5037 | ||
1da177e4 LT |
5038 | /* |
5039 | * Decode ACCESS response | |
5040 | */ | |
bf269551 CL |
5041 | static int nfs4_xdr_dec_access(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5042 | struct nfs4_accessres *res) | |
1da177e4 | 5043 | { |
1da177e4 LT |
5044 | struct compound_hdr hdr; |
5045 | int status; | |
6c0195a4 | 5046 | |
bf269551 | 5047 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5048 | if (status) |
5049 | goto out; | |
bf269551 | 5050 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5051 | if (status) |
1da177e4 | 5052 | goto out; |
bf269551 | 5053 | status = decode_putfh(xdr); |
76b32999 TM |
5054 | if (status != 0) |
5055 | goto out; | |
bf269551 | 5056 | status = decode_access(xdr, res); |
76b32999 TM |
5057 | if (status != 0) |
5058 | goto out; | |
bf269551 | 5059 | decode_getfattr(xdr, res->fattr, res->server, |
80e52ace | 5060 | !RPC_IS_ASYNC(rqstp->rq_task)); |
1da177e4 LT |
5061 | out: |
5062 | return status; | |
5063 | } | |
5064 | ||
5065 | /* | |
5066 | * Decode LOOKUP response | |
5067 | */ | |
bf269551 CL |
5068 | static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5069 | struct nfs4_lookup_res *res) | |
1da177e4 | 5070 | { |
1da177e4 LT |
5071 | struct compound_hdr hdr; |
5072 | int status; | |
6c0195a4 | 5073 | |
bf269551 | 5074 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5075 | if (status) |
5076 | goto out; | |
bf269551 | 5077 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5078 | if (status) |
1da177e4 | 5079 | goto out; |
bf269551 CL |
5080 | status = decode_putfh(xdr); |
5081 | if (status) | |
1da177e4 | 5082 | goto out; |
bf269551 CL |
5083 | status = decode_lookup(xdr); |
5084 | if (status) | |
1da177e4 | 5085 | goto out; |
bf269551 CL |
5086 | status = decode_getfh(xdr, res->fh); |
5087 | if (status) | |
1da177e4 | 5088 | goto out; |
bf269551 | 5089 | status = decode_getfattr(xdr, res->fattr, res->server |
80e52ace | 5090 | ,!RPC_IS_ASYNC(rqstp->rq_task)); |
1da177e4 LT |
5091 | out: |
5092 | return status; | |
5093 | } | |
5094 | ||
5095 | /* | |
5096 | * Decode LOOKUP_ROOT response | |
5097 | */ | |
bf269551 CL |
5098 | static int nfs4_xdr_dec_lookup_root(struct rpc_rqst *rqstp, |
5099 | struct xdr_stream *xdr, | |
5100 | struct nfs4_lookup_res *res) | |
1da177e4 | 5101 | { |
1da177e4 LT |
5102 | struct compound_hdr hdr; |
5103 | int status; | |
6c0195a4 | 5104 | |
bf269551 | 5105 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5106 | if (status) |
5107 | goto out; | |
bf269551 | 5108 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5109 | if (status) |
1da177e4 | 5110 | goto out; |
bf269551 CL |
5111 | status = decode_putrootfh(xdr); |
5112 | if (status) | |
1da177e4 | 5113 | goto out; |
bf269551 CL |
5114 | status = decode_getfh(xdr, res->fh); |
5115 | if (status == 0) | |
5116 | status = decode_getfattr(xdr, res->fattr, res->server, | |
80e52ace | 5117 | !RPC_IS_ASYNC(rqstp->rq_task)); |
1da177e4 LT |
5118 | out: |
5119 | return status; | |
5120 | } | |
5121 | ||
5122 | /* | |
5123 | * Decode REMOVE response | |
5124 | */ | |
bf269551 CL |
5125 | static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5126 | struct nfs_removeres *res) | |
1da177e4 | 5127 | { |
1da177e4 LT |
5128 | struct compound_hdr hdr; |
5129 | int status; | |
6c0195a4 | 5130 | |
bf269551 | 5131 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5132 | if (status) |
5133 | goto out; | |
bf269551 | 5134 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5135 | if (status) |
1da177e4 | 5136 | goto out; |
bf269551 CL |
5137 | status = decode_putfh(xdr); |
5138 | if (status) | |
16e42959 | 5139 | goto out; |
bf269551 CL |
5140 | status = decode_remove(xdr, &res->cinfo); |
5141 | if (status) | |
16e42959 | 5142 | goto out; |
bf269551 | 5143 | decode_getfattr(xdr, res->dir_attr, res->server, |
80e52ace | 5144 | !RPC_IS_ASYNC(rqstp->rq_task)); |
1da177e4 LT |
5145 | out: |
5146 | return status; | |
5147 | } | |
5148 | ||
5149 | /* | |
5150 | * Decode RENAME response | |
5151 | */ | |
bf269551 CL |
5152 | static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5153 | struct nfs_renameres *res) | |
1da177e4 | 5154 | { |
1da177e4 LT |
5155 | struct compound_hdr hdr; |
5156 | int status; | |
6c0195a4 | 5157 | |
bf269551 | 5158 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5159 | if (status) |
5160 | goto out; | |
bf269551 | 5161 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5162 | if (status) |
1da177e4 | 5163 | goto out; |
bf269551 CL |
5164 | status = decode_putfh(xdr); |
5165 | if (status) | |
1da177e4 | 5166 | goto out; |
bf269551 CL |
5167 | status = decode_savefh(xdr); |
5168 | if (status) | |
1da177e4 | 5169 | goto out; |
bf269551 CL |
5170 | status = decode_putfh(xdr); |
5171 | if (status) | |
1da177e4 | 5172 | goto out; |
bf269551 CL |
5173 | status = decode_rename(xdr, &res->old_cinfo, &res->new_cinfo); |
5174 | if (status) | |
6caf2c82 TM |
5175 | goto out; |
5176 | /* Current FH is target directory */ | |
bf269551 | 5177 | if (decode_getfattr(xdr, res->new_fattr, res->server, |
80e52ace | 5178 | !RPC_IS_ASYNC(rqstp->rq_task)) != 0) |
6caf2c82 | 5179 | goto out; |
bf269551 CL |
5180 | status = decode_restorefh(xdr); |
5181 | if (status) | |
6caf2c82 | 5182 | goto out; |
bf269551 | 5183 | decode_getfattr(xdr, res->old_fattr, res->server, |
80e52ace | 5184 | !RPC_IS_ASYNC(rqstp->rq_task)); |
1da177e4 LT |
5185 | out: |
5186 | return status; | |
5187 | } | |
5188 | ||
5189 | /* | |
5190 | * Decode LINK response | |
5191 | */ | |
bf269551 CL |
5192 | static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5193 | struct nfs4_link_res *res) | |
1da177e4 | 5194 | { |
1da177e4 LT |
5195 | struct compound_hdr hdr; |
5196 | int status; | |
6c0195a4 | 5197 | |
bf269551 | 5198 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5199 | if (status) |
5200 | goto out; | |
bf269551 | 5201 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5202 | if (status) |
1da177e4 | 5203 | goto out; |
bf269551 CL |
5204 | status = decode_putfh(xdr); |
5205 | if (status) | |
1da177e4 | 5206 | goto out; |
bf269551 CL |
5207 | status = decode_savefh(xdr); |
5208 | if (status) | |
1da177e4 | 5209 | goto out; |
bf269551 CL |
5210 | status = decode_putfh(xdr); |
5211 | if (status) | |
1da177e4 | 5212 | goto out; |
bf269551 CL |
5213 | status = decode_link(xdr, &res->cinfo); |
5214 | if (status) | |
91ba2eee TM |
5215 | goto out; |
5216 | /* | |
5217 | * Note order: OP_LINK leaves the directory as the current | |
5218 | * filehandle. | |
5219 | */ | |
bf269551 | 5220 | if (decode_getfattr(xdr, res->dir_attr, res->server, |
80e52ace | 5221 | !RPC_IS_ASYNC(rqstp->rq_task)) != 0) |
91ba2eee | 5222 | goto out; |
bf269551 CL |
5223 | status = decode_restorefh(xdr); |
5224 | if (status) | |
91ba2eee | 5225 | goto out; |
bf269551 | 5226 | decode_getfattr(xdr, res->fattr, res->server, |
80e52ace | 5227 | !RPC_IS_ASYNC(rqstp->rq_task)); |
1da177e4 LT |
5228 | out: |
5229 | return status; | |
5230 | } | |
5231 | ||
5232 | /* | |
5233 | * Decode CREATE response | |
5234 | */ | |
bf269551 CL |
5235 | static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5236 | struct nfs4_create_res *res) | |
1da177e4 | 5237 | { |
1da177e4 LT |
5238 | struct compound_hdr hdr; |
5239 | int status; | |
6c0195a4 | 5240 | |
bf269551 | 5241 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5242 | if (status) |
5243 | goto out; | |
bf269551 | 5244 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5245 | if (status) |
1da177e4 | 5246 | goto out; |
bf269551 CL |
5247 | status = decode_putfh(xdr); |
5248 | if (status) | |
1da177e4 | 5249 | goto out; |
bf269551 CL |
5250 | status = decode_savefh(xdr); |
5251 | if (status) | |
56ae19f3 | 5252 | goto out; |
bf269551 CL |
5253 | status = decode_create(xdr, &res->dir_cinfo); |
5254 | if (status) | |
1da177e4 | 5255 | goto out; |
bf269551 CL |
5256 | status = decode_getfh(xdr, res->fh); |
5257 | if (status) | |
1da177e4 | 5258 | goto out; |
bf269551 | 5259 | if (decode_getfattr(xdr, res->fattr, res->server, |
80e52ace | 5260 | !RPC_IS_ASYNC(rqstp->rq_task)) != 0) |
56ae19f3 | 5261 | goto out; |
bf269551 CL |
5262 | status = decode_restorefh(xdr); |
5263 | if (status) | |
56ae19f3 | 5264 | goto out; |
bf269551 | 5265 | decode_getfattr(xdr, res->dir_fattr, res->server, |
80e52ace | 5266 | !RPC_IS_ASYNC(rqstp->rq_task)); |
1da177e4 LT |
5267 | out: |
5268 | return status; | |
5269 | } | |
5270 | ||
5271 | /* | |
5272 | * Decode SYMLINK response | |
5273 | */ | |
bf269551 CL |
5274 | static int nfs4_xdr_dec_symlink(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5275 | struct nfs4_create_res *res) | |
1da177e4 | 5276 | { |
bf269551 | 5277 | return nfs4_xdr_dec_create(rqstp, xdr, res); |
1da177e4 LT |
5278 | } |
5279 | ||
5280 | /* | |
5281 | * Decode GETATTR response | |
5282 | */ | |
bf269551 CL |
5283 | static int nfs4_xdr_dec_getattr(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5284 | struct nfs4_getattr_res *res) | |
1da177e4 | 5285 | { |
1da177e4 LT |
5286 | struct compound_hdr hdr; |
5287 | int status; | |
6c0195a4 | 5288 | |
bf269551 | 5289 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5290 | if (status) |
5291 | goto out; | |
bf269551 | 5292 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
5293 | if (status) |
5294 | goto out; | |
bf269551 | 5295 | status = decode_putfh(xdr); |
1da177e4 LT |
5296 | if (status) |
5297 | goto out; | |
bf269551 | 5298 | status = decode_getfattr(xdr, res->fattr, res->server, |
80e52ace | 5299 | !RPC_IS_ASYNC(rqstp->rq_task)); |
1da177e4 LT |
5300 | out: |
5301 | return status; | |
1da177e4 LT |
5302 | } |
5303 | ||
23ec6965 BF |
5304 | /* |
5305 | * Encode an SETACL request | |
5306 | */ | |
9f06c719 CL |
5307 | static void nfs4_xdr_enc_setacl(struct rpc_rqst *req, struct xdr_stream *xdr, |
5308 | struct nfs_setaclargs *args) | |
23ec6965 | 5309 | { |
05d564fe | 5310 | struct compound_hdr hdr = { |
66cc0429 | 5311 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 5312 | }; |
05d564fe | 5313 | |
9f06c719 CL |
5314 | encode_compound_hdr(xdr, req, &hdr); |
5315 | encode_sequence(xdr, &args->seq_args, &hdr); | |
5316 | encode_putfh(xdr, args->fh, &hdr); | |
5317 | encode_setacl(xdr, args, &hdr); | |
d017931c | 5318 | encode_nops(&hdr); |
23ec6965 | 5319 | } |
05d564fe | 5320 | |
23ec6965 BF |
5321 | /* |
5322 | * Decode SETACL response | |
5323 | */ | |
5324 | static int | |
bf269551 | 5325 | nfs4_xdr_dec_setacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
73c403a9 | 5326 | struct nfs_setaclres *res) |
23ec6965 | 5327 | { |
23ec6965 BF |
5328 | struct compound_hdr hdr; |
5329 | int status; | |
5330 | ||
bf269551 | 5331 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5332 | if (status) |
5333 | goto out; | |
bf269551 | 5334 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
23ec6965 BF |
5335 | if (status) |
5336 | goto out; | |
bf269551 | 5337 | status = decode_putfh(xdr); |
23ec6965 BF |
5338 | if (status) |
5339 | goto out; | |
bf269551 | 5340 | status = decode_setattr(xdr); |
23ec6965 BF |
5341 | out: |
5342 | return status; | |
5343 | } | |
1da177e4 | 5344 | |
029d105e BF |
5345 | /* |
5346 | * Decode GETACL response | |
5347 | */ | |
5348 | static int | |
bf269551 | 5349 | nfs4_xdr_dec_getacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
663c79b3 | 5350 | struct nfs_getaclres *res) |
029d105e | 5351 | { |
029d105e BF |
5352 | struct compound_hdr hdr; |
5353 | int status; | |
5354 | ||
bf269551 | 5355 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5356 | if (status) |
5357 | goto out; | |
bf269551 | 5358 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
029d105e BF |
5359 | if (status) |
5360 | goto out; | |
bf269551 | 5361 | status = decode_putfh(xdr); |
029d105e BF |
5362 | if (status) |
5363 | goto out; | |
bf269551 | 5364 | status = decode_getacl(xdr, rqstp, &res->acl_len); |
029d105e BF |
5365 | |
5366 | out: | |
5367 | return status; | |
5368 | } | |
5369 | ||
1da177e4 LT |
5370 | /* |
5371 | * Decode CLOSE response | |
5372 | */ | |
bf269551 CL |
5373 | static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5374 | struct nfs_closeres *res) | |
1da177e4 | 5375 | { |
05d564fe AA |
5376 | struct compound_hdr hdr; |
5377 | int status; | |
5378 | ||
bf269551 | 5379 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5380 | if (status) |
5381 | goto out; | |
bf269551 | 5382 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
5383 | if (status) |
5384 | goto out; | |
bf269551 | 5385 | status = decode_putfh(xdr); |
05d564fe AA |
5386 | if (status) |
5387 | goto out; | |
bf269551 | 5388 | status = decode_close(xdr, res); |
516a6af6 TM |
5389 | if (status != 0) |
5390 | goto out; | |
5391 | /* | |
5392 | * Note: Server may do delete on close for this file | |
5393 | * in which case the getattr call will fail with | |
5394 | * an ESTALE error. Shouldn't be a problem, | |
5395 | * though, since fattr->valid will remain unset. | |
5396 | */ | |
bf269551 | 5397 | decode_getfattr(xdr, res->fattr, res->server, |
80e52ace | 5398 | !RPC_IS_ASYNC(rqstp->rq_task)); |
1da177e4 | 5399 | out: |
05d564fe | 5400 | return status; |
1da177e4 LT |
5401 | } |
5402 | ||
5403 | /* | |
5404 | * Decode OPEN response | |
5405 | */ | |
bf269551 CL |
5406 | static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5407 | struct nfs_openres *res) | |
1da177e4 | 5408 | { |
05d564fe AA |
5409 | struct compound_hdr hdr; |
5410 | int status; | |
5411 | ||
bf269551 | 5412 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5413 | if (status) |
5414 | goto out; | |
bf269551 | 5415 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
5416 | if (status) |
5417 | goto out; | |
bf269551 | 5418 | status = decode_putfh(xdr); |
05d564fe AA |
5419 | if (status) |
5420 | goto out; | |
bf269551 | 5421 | status = decode_savefh(xdr); |
05d564fe AA |
5422 | if (status) |
5423 | goto out; | |
bf269551 | 5424 | status = decode_open(xdr, res); |
56ae19f3 TM |
5425 | if (status) |
5426 | goto out; | |
bf269551 | 5427 | if (decode_getfh(xdr, &res->fh) != 0) |
1da177e4 | 5428 | goto out; |
bf269551 | 5429 | if (decode_getfattr(xdr, res->f_attr, res->server, |
80e52ace | 5430 | !RPC_IS_ASYNC(rqstp->rq_task)) != 0) |
56ae19f3 | 5431 | goto out; |
bf269551 | 5432 | if (decode_restorefh(xdr) != 0) |
56ae19f3 | 5433 | goto out; |
bf269551 | 5434 | decode_getfattr(xdr, res->dir_attr, res->server, |
80e52ace | 5435 | !RPC_IS_ASYNC(rqstp->rq_task)); |
1da177e4 | 5436 | out: |
05d564fe | 5437 | return status; |
1da177e4 LT |
5438 | } |
5439 | ||
5440 | /* | |
5441 | * Decode OPEN_CONFIRM response | |
5442 | */ | |
bf269551 CL |
5443 | static int nfs4_xdr_dec_open_confirm(struct rpc_rqst *rqstp, |
5444 | struct xdr_stream *xdr, | |
5445 | struct nfs_open_confirmres *res) | |
1da177e4 | 5446 | { |
05d564fe AA |
5447 | struct compound_hdr hdr; |
5448 | int status; | |
5449 | ||
bf269551 | 5450 | status = decode_compound_hdr(xdr, &hdr); |
05d564fe AA |
5451 | if (status) |
5452 | goto out; | |
bf269551 | 5453 | status = decode_putfh(xdr); |
05d564fe AA |
5454 | if (status) |
5455 | goto out; | |
bf269551 | 5456 | status = decode_open_confirm(xdr, res); |
1da177e4 | 5457 | out: |
05d564fe | 5458 | return status; |
1da177e4 LT |
5459 | } |
5460 | ||
5461 | /* | |
5462 | * Decode OPEN response | |
5463 | */ | |
bf269551 CL |
5464 | static int nfs4_xdr_dec_open_noattr(struct rpc_rqst *rqstp, |
5465 | struct xdr_stream *xdr, | |
5466 | struct nfs_openres *res) | |
1da177e4 | 5467 | { |
05d564fe AA |
5468 | struct compound_hdr hdr; |
5469 | int status; | |
5470 | ||
bf269551 | 5471 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5472 | if (status) |
5473 | goto out; | |
bf269551 | 5474 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
5475 | if (status) |
5476 | goto out; | |
bf269551 | 5477 | status = decode_putfh(xdr); |
05d564fe AA |
5478 | if (status) |
5479 | goto out; | |
bf269551 | 5480 | status = decode_open(xdr, res); |
05d564fe AA |
5481 | if (status) |
5482 | goto out; | |
bf269551 | 5483 | decode_getfattr(xdr, res->f_attr, res->server, |
80e52ace | 5484 | !RPC_IS_ASYNC(rqstp->rq_task)); |
1da177e4 | 5485 | out: |
05d564fe | 5486 | return status; |
1da177e4 LT |
5487 | } |
5488 | ||
5489 | /* | |
5490 | * Decode SETATTR response | |
5491 | */ | |
bf269551 CL |
5492 | static int nfs4_xdr_dec_setattr(struct rpc_rqst *rqstp, |
5493 | struct xdr_stream *xdr, | |
5494 | struct nfs_setattrres *res) | |
1da177e4 | 5495 | { |
05d564fe AA |
5496 | struct compound_hdr hdr; |
5497 | int status; | |
5498 | ||
bf269551 | 5499 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5500 | if (status) |
5501 | goto out; | |
bf269551 | 5502 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
5503 | if (status) |
5504 | goto out; | |
bf269551 | 5505 | status = decode_putfh(xdr); |
05d564fe AA |
5506 | if (status) |
5507 | goto out; | |
bf269551 | 5508 | status = decode_setattr(xdr); |
05d564fe AA |
5509 | if (status) |
5510 | goto out; | |
bf269551 | 5511 | decode_getfattr(xdr, res->fattr, res->server, |
80e52ace | 5512 | !RPC_IS_ASYNC(rqstp->rq_task)); |
1da177e4 | 5513 | out: |
05d564fe | 5514 | return status; |
1da177e4 LT |
5515 | } |
5516 | ||
5517 | /* | |
5518 | * Decode LOCK response | |
5519 | */ | |
bf269551 CL |
5520 | static int nfs4_xdr_dec_lock(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5521 | struct nfs_lock_res *res) | |
1da177e4 | 5522 | { |
1da177e4 LT |
5523 | struct compound_hdr hdr; |
5524 | int status; | |
5525 | ||
bf269551 | 5526 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5527 | if (status) |
5528 | goto out; | |
bf269551 | 5529 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
5530 | if (status) |
5531 | goto out; | |
bf269551 | 5532 | status = decode_putfh(xdr); |
1da177e4 LT |
5533 | if (status) |
5534 | goto out; | |
bf269551 | 5535 | status = decode_lock(xdr, res); |
1da177e4 LT |
5536 | out: |
5537 | return status; | |
5538 | } | |
5539 | ||
5540 | /* | |
5541 | * Decode LOCKT response | |
5542 | */ | |
bf269551 CL |
5543 | static int nfs4_xdr_dec_lockt(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5544 | struct nfs_lockt_res *res) | |
1da177e4 | 5545 | { |
1da177e4 LT |
5546 | struct compound_hdr hdr; |
5547 | int status; | |
5548 | ||
bf269551 | 5549 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5550 | if (status) |
5551 | goto out; | |
bf269551 | 5552 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
5553 | if (status) |
5554 | goto out; | |
bf269551 | 5555 | status = decode_putfh(xdr); |
1da177e4 LT |
5556 | if (status) |
5557 | goto out; | |
bf269551 | 5558 | status = decode_lockt(xdr, res); |
1da177e4 LT |
5559 | out: |
5560 | return status; | |
5561 | } | |
5562 | ||
5563 | /* | |
5564 | * Decode LOCKU response | |
5565 | */ | |
bf269551 CL |
5566 | static int nfs4_xdr_dec_locku(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5567 | struct nfs_locku_res *res) | |
1da177e4 | 5568 | { |
1da177e4 LT |
5569 | struct compound_hdr hdr; |
5570 | int status; | |
5571 | ||
bf269551 | 5572 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5573 | if (status) |
5574 | goto out; | |
bf269551 | 5575 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
5576 | if (status) |
5577 | goto out; | |
bf269551 | 5578 | status = decode_putfh(xdr); |
1da177e4 LT |
5579 | if (status) |
5580 | goto out; | |
bf269551 | 5581 | status = decode_locku(xdr, res); |
1da177e4 LT |
5582 | out: |
5583 | return status; | |
5584 | } | |
5585 | ||
bf269551 CL |
5586 | static int nfs4_xdr_dec_release_lockowner(struct rpc_rqst *rqstp, |
5587 | struct xdr_stream *xdr, void *dummy) | |
d3c7b7cc | 5588 | { |
d3c7b7cc TM |
5589 | struct compound_hdr hdr; |
5590 | int status; | |
5591 | ||
bf269551 | 5592 | status = decode_compound_hdr(xdr, &hdr); |
d3c7b7cc | 5593 | if (!status) |
bf269551 | 5594 | status = decode_release_lockowner(xdr); |
d3c7b7cc TM |
5595 | return status; |
5596 | } | |
5597 | ||
1da177e4 LT |
5598 | /* |
5599 | * Decode READLINK response | |
5600 | */ | |
bf269551 CL |
5601 | static int nfs4_xdr_dec_readlink(struct rpc_rqst *rqstp, |
5602 | struct xdr_stream *xdr, | |
f50c7000 | 5603 | struct nfs4_readlink_res *res) |
1da177e4 | 5604 | { |
1da177e4 LT |
5605 | struct compound_hdr hdr; |
5606 | int status; | |
5607 | ||
bf269551 | 5608 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5609 | if (status) |
5610 | goto out; | |
bf269551 | 5611 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
5612 | if (status) |
5613 | goto out; | |
bf269551 | 5614 | status = decode_putfh(xdr); |
1da177e4 LT |
5615 | if (status) |
5616 | goto out; | |
bf269551 | 5617 | status = decode_readlink(xdr, rqstp); |
1da177e4 LT |
5618 | out: |
5619 | return status; | |
5620 | } | |
5621 | ||
5622 | /* | |
5623 | * Decode READDIR response | |
5624 | */ | |
bf269551 CL |
5625 | static int nfs4_xdr_dec_readdir(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5626 | struct nfs4_readdir_res *res) | |
1da177e4 | 5627 | { |
1da177e4 LT |
5628 | struct compound_hdr hdr; |
5629 | int status; | |
5630 | ||
bf269551 | 5631 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5632 | if (status) |
5633 | goto out; | |
bf269551 | 5634 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
5635 | if (status) |
5636 | goto out; | |
bf269551 | 5637 | status = decode_putfh(xdr); |
1da177e4 LT |
5638 | if (status) |
5639 | goto out; | |
bf269551 | 5640 | status = decode_readdir(xdr, rqstp, res); |
1da177e4 LT |
5641 | out: |
5642 | return status; | |
5643 | } | |
5644 | ||
5645 | /* | |
5646 | * Decode Read response | |
5647 | */ | |
bf269551 CL |
5648 | static int nfs4_xdr_dec_read(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5649 | struct nfs_readres *res) | |
1da177e4 | 5650 | { |
1da177e4 LT |
5651 | struct compound_hdr hdr; |
5652 | int status; | |
5653 | ||
bf269551 | 5654 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5655 | if (status) |
5656 | goto out; | |
bf269551 | 5657 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
5658 | if (status) |
5659 | goto out; | |
bf269551 | 5660 | status = decode_putfh(xdr); |
1da177e4 LT |
5661 | if (status) |
5662 | goto out; | |
bf269551 | 5663 | status = decode_read(xdr, rqstp, res); |
1da177e4 LT |
5664 | if (!status) |
5665 | status = res->count; | |
5666 | out: | |
5667 | return status; | |
5668 | } | |
5669 | ||
5670 | /* | |
5671 | * Decode WRITE response | |
5672 | */ | |
bf269551 CL |
5673 | static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5674 | struct nfs_writeres *res) | |
1da177e4 | 5675 | { |
1da177e4 LT |
5676 | struct compound_hdr hdr; |
5677 | int status; | |
5678 | ||
bf269551 | 5679 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5680 | if (status) |
5681 | goto out; | |
bf269551 | 5682 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
5683 | if (status) |
5684 | goto out; | |
bf269551 | 5685 | status = decode_putfh(xdr); |
1da177e4 LT |
5686 | if (status) |
5687 | goto out; | |
bf269551 | 5688 | status = decode_write(xdr, res); |
4f9838c7 TM |
5689 | if (status) |
5690 | goto out; | |
bf269551 | 5691 | decode_getfattr(xdr, res->fattr, res->server, |
80e52ace | 5692 | !RPC_IS_ASYNC(rqstp->rq_task)); |
1da177e4 LT |
5693 | if (!status) |
5694 | status = res->count; | |
5695 | out: | |
5696 | return status; | |
5697 | } | |
5698 | ||
5699 | /* | |
5700 | * Decode COMMIT response | |
5701 | */ | |
bf269551 CL |
5702 | static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5703 | struct nfs_writeres *res) | |
1da177e4 | 5704 | { |
1da177e4 LT |
5705 | struct compound_hdr hdr; |
5706 | int status; | |
5707 | ||
bf269551 | 5708 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5709 | if (status) |
5710 | goto out; | |
bf269551 | 5711 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
5712 | if (status) |
5713 | goto out; | |
bf269551 | 5714 | status = decode_putfh(xdr); |
1da177e4 LT |
5715 | if (status) |
5716 | goto out; | |
bf269551 | 5717 | status = decode_commit(xdr, res); |
4f9838c7 TM |
5718 | if (status) |
5719 | goto out; | |
bf269551 | 5720 | decode_getfattr(xdr, res->fattr, res->server, |
80e52ace | 5721 | !RPC_IS_ASYNC(rqstp->rq_task)); |
1da177e4 LT |
5722 | out: |
5723 | return status; | |
5724 | } | |
5725 | ||
5726 | /* | |
8b173218 | 5727 | * Decode FSINFO response |
1da177e4 | 5728 | */ |
bf269551 | 5729 | static int nfs4_xdr_dec_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, |
3dda5e43 | 5730 | struct nfs4_fsinfo_res *res) |
1da177e4 | 5731 | { |
1da177e4 LT |
5732 | struct compound_hdr hdr; |
5733 | int status; | |
5734 | ||
bf269551 | 5735 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 5736 | if (!status) |
bf269551 | 5737 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 5738 | if (!status) |
bf269551 | 5739 | status = decode_putfh(xdr); |
1da177e4 | 5740 | if (!status) |
bf269551 | 5741 | status = decode_fsinfo(xdr, res->fsinfo); |
1da177e4 LT |
5742 | return status; |
5743 | } | |
5744 | ||
5745 | /* | |
8b173218 | 5746 | * Decode PATHCONF response |
1da177e4 | 5747 | */ |
bf269551 | 5748 | static int nfs4_xdr_dec_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, |
d45b2989 | 5749 | struct nfs4_pathconf_res *res) |
1da177e4 | 5750 | { |
1da177e4 LT |
5751 | struct compound_hdr hdr; |
5752 | int status; | |
5753 | ||
bf269551 | 5754 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 5755 | if (!status) |
bf269551 | 5756 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 5757 | if (!status) |
bf269551 | 5758 | status = decode_putfh(xdr); |
1da177e4 | 5759 | if (!status) |
bf269551 | 5760 | status = decode_pathconf(xdr, res->pathconf); |
1da177e4 LT |
5761 | return status; |
5762 | } | |
5763 | ||
5764 | /* | |
8b173218 | 5765 | * Decode STATFS response |
1da177e4 | 5766 | */ |
bf269551 | 5767 | static int nfs4_xdr_dec_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, |
24ad148a | 5768 | struct nfs4_statfs_res *res) |
1da177e4 | 5769 | { |
1da177e4 LT |
5770 | struct compound_hdr hdr; |
5771 | int status; | |
5772 | ||
bf269551 | 5773 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 5774 | if (!status) |
bf269551 | 5775 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 5776 | if (!status) |
bf269551 | 5777 | status = decode_putfh(xdr); |
1da177e4 | 5778 | if (!status) |
bf269551 | 5779 | status = decode_statfs(xdr, res->fsstat); |
1da177e4 LT |
5780 | return status; |
5781 | } | |
5782 | ||
5783 | /* | |
8b173218 | 5784 | * Decode GETATTR_BITMAP response |
1da177e4 | 5785 | */ |
bf269551 CL |
5786 | static int nfs4_xdr_dec_server_caps(struct rpc_rqst *req, |
5787 | struct xdr_stream *xdr, | |
5788 | struct nfs4_server_caps_res *res) | |
1da177e4 | 5789 | { |
1da177e4 LT |
5790 | struct compound_hdr hdr; |
5791 | int status; | |
5792 | ||
bf269551 | 5793 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5794 | if (status) |
5795 | goto out; | |
bf269551 | 5796 | status = decode_sequence(xdr, &res->seq_res, req); |
9b7b9fcc | 5797 | if (status) |
1da177e4 | 5798 | goto out; |
bf269551 CL |
5799 | status = decode_putfh(xdr); |
5800 | if (status) | |
1da177e4 | 5801 | goto out; |
bf269551 | 5802 | status = decode_server_caps(xdr, res); |
1da177e4 LT |
5803 | out: |
5804 | return status; | |
5805 | } | |
5806 | ||
5807 | /* | |
5808 | * Decode RENEW response | |
5809 | */ | |
bf269551 CL |
5810 | static int nfs4_xdr_dec_renew(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5811 | void *__unused) | |
1da177e4 | 5812 | { |
1da177e4 LT |
5813 | struct compound_hdr hdr; |
5814 | int status; | |
5815 | ||
bf269551 | 5816 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 5817 | if (!status) |
bf269551 | 5818 | status = decode_renew(xdr); |
1da177e4 LT |
5819 | return status; |
5820 | } | |
5821 | ||
5822 | /* | |
8b173218 | 5823 | * Decode SETCLIENTID response |
1da177e4 | 5824 | */ |
bf269551 CL |
5825 | static int nfs4_xdr_dec_setclientid(struct rpc_rqst *req, |
5826 | struct xdr_stream *xdr, | |
5827 | struct nfs4_setclientid_res *res) | |
1da177e4 | 5828 | { |
1da177e4 LT |
5829 | struct compound_hdr hdr; |
5830 | int status; | |
5831 | ||
bf269551 | 5832 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 5833 | if (!status) |
bf269551 | 5834 | status = decode_setclientid(xdr, res); |
1da177e4 LT |
5835 | return status; |
5836 | } | |
5837 | ||
5838 | /* | |
8b173218 | 5839 | * Decode SETCLIENTID_CONFIRM response |
1da177e4 | 5840 | */ |
bf269551 CL |
5841 | static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst *req, |
5842 | struct xdr_stream *xdr, | |
5843 | struct nfs_fsinfo *fsinfo) | |
1da177e4 | 5844 | { |
1da177e4 LT |
5845 | struct compound_hdr hdr; |
5846 | int status; | |
5847 | ||
bf269551 | 5848 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 5849 | if (!status) |
bf269551 | 5850 | status = decode_setclientid_confirm(xdr); |
1da177e4 | 5851 | if (!status) |
bf269551 | 5852 | status = decode_putrootfh(xdr); |
1da177e4 | 5853 | if (!status) |
bf269551 | 5854 | status = decode_fsinfo(xdr, fsinfo); |
1da177e4 LT |
5855 | return status; |
5856 | } | |
5857 | ||
5858 | /* | |
8b173218 | 5859 | * Decode DELEGRETURN response |
1da177e4 | 5860 | */ |
bf269551 CL |
5861 | static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, |
5862 | struct xdr_stream *xdr, | |
5863 | struct nfs4_delegreturnres *res) | |
1da177e4 | 5864 | { |
1da177e4 LT |
5865 | struct compound_hdr hdr; |
5866 | int status; | |
5867 | ||
bf269551 | 5868 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5869 | if (status) |
5870 | goto out; | |
bf269551 | 5871 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5872 | if (status) |
fa178f29 | 5873 | goto out; |
bf269551 | 5874 | status = decode_putfh(xdr); |
fa178f29 TM |
5875 | if (status != 0) |
5876 | goto out; | |
bf269551 | 5877 | status = decode_delegreturn(xdr); |
556ae3bb JL |
5878 | if (status != 0) |
5879 | goto out; | |
bf269551 | 5880 | decode_getfattr(xdr, res->fattr, res->server, |
80e52ace | 5881 | !RPC_IS_ASYNC(rqstp->rq_task)); |
fa178f29 | 5882 | out: |
1da177e4 LT |
5883 | return status; |
5884 | } | |
5885 | ||
683b57b4 | 5886 | /* |
8b173218 | 5887 | * Decode FS_LOCATIONS response |
683b57b4 | 5888 | */ |
bf269551 CL |
5889 | static int nfs4_xdr_dec_fs_locations(struct rpc_rqst *req, |
5890 | struct xdr_stream *xdr, | |
22958463 | 5891 | struct nfs4_fs_locations_res *res) |
683b57b4 | 5892 | { |
683b57b4 TM |
5893 | struct compound_hdr hdr; |
5894 | int status; | |
5895 | ||
bf269551 | 5896 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5897 | if (status) |
5898 | goto out; | |
bf269551 | 5899 | status = decode_sequence(xdr, &res->seq_res, req); |
9b7b9fcc | 5900 | if (status) |
683b57b4 | 5901 | goto out; |
bf269551 CL |
5902 | status = decode_putfh(xdr); |
5903 | if (status) | |
683b57b4 | 5904 | goto out; |
bf269551 CL |
5905 | status = decode_lookup(xdr); |
5906 | if (status) | |
683b57b4 | 5907 | goto out; |
bf269551 CL |
5908 | xdr_enter_page(xdr, PAGE_SIZE); |
5909 | status = decode_getfattr(xdr, &res->fs_locations->fattr, | |
80e52ace TM |
5910 | res->fs_locations->server, |
5911 | !RPC_IS_ASYNC(req->rq_task)); | |
683b57b4 TM |
5912 | out: |
5913 | return status; | |
5914 | } | |
5915 | ||
99fe60d0 BH |
5916 | #if defined(CONFIG_NFS_V4_1) |
5917 | /* | |
8b173218 | 5918 | * Decode EXCHANGE_ID response |
99fe60d0 | 5919 | */ |
bf269551 CL |
5920 | static int nfs4_xdr_dec_exchange_id(struct rpc_rqst *rqstp, |
5921 | struct xdr_stream *xdr, | |
99fe60d0 BH |
5922 | void *res) |
5923 | { | |
99fe60d0 BH |
5924 | struct compound_hdr hdr; |
5925 | int status; | |
5926 | ||
bf269551 | 5927 | status = decode_compound_hdr(xdr, &hdr); |
99fe60d0 | 5928 | if (!status) |
bf269551 | 5929 | status = decode_exchange_id(xdr, res); |
99fe60d0 BH |
5930 | return status; |
5931 | } | |
2050f0cc | 5932 | |
fc931582 | 5933 | /* |
8b173218 | 5934 | * Decode CREATE_SESSION response |
fc931582 | 5935 | */ |
bf269551 CL |
5936 | static int nfs4_xdr_dec_create_session(struct rpc_rqst *rqstp, |
5937 | struct xdr_stream *xdr, | |
fc931582 AA |
5938 | struct nfs41_create_session_res *res) |
5939 | { | |
fc931582 AA |
5940 | struct compound_hdr hdr; |
5941 | int status; | |
5942 | ||
bf269551 | 5943 | status = decode_compound_hdr(xdr, &hdr); |
fc931582 | 5944 | if (!status) |
bf269551 | 5945 | status = decode_create_session(xdr, res); |
fc931582 AA |
5946 | return status; |
5947 | } | |
5948 | ||
0f3e66c6 | 5949 | /* |
8b173218 | 5950 | * Decode DESTROY_SESSION response |
0f3e66c6 | 5951 | */ |
bf269551 CL |
5952 | static int nfs4_xdr_dec_destroy_session(struct rpc_rqst *rqstp, |
5953 | struct xdr_stream *xdr, | |
5954 | void *res) | |
0f3e66c6 | 5955 | { |
0f3e66c6 AA |
5956 | struct compound_hdr hdr; |
5957 | int status; | |
5958 | ||
bf269551 | 5959 | status = decode_compound_hdr(xdr, &hdr); |
0f3e66c6 | 5960 | if (!status) |
bf269551 | 5961 | status = decode_destroy_session(xdr, res); |
0f3e66c6 AA |
5962 | return status; |
5963 | } | |
5964 | ||
fc01cea9 | 5965 | /* |
8b173218 | 5966 | * Decode SEQUENCE response |
fc01cea9 | 5967 | */ |
bf269551 CL |
5968 | static int nfs4_xdr_dec_sequence(struct rpc_rqst *rqstp, |
5969 | struct xdr_stream *xdr, | |
fc01cea9 AA |
5970 | struct nfs4_sequence_res *res) |
5971 | { | |
fc01cea9 AA |
5972 | struct compound_hdr hdr; |
5973 | int status; | |
5974 | ||
bf269551 | 5975 | status = decode_compound_hdr(xdr, &hdr); |
fc01cea9 | 5976 | if (!status) |
bf269551 | 5977 | status = decode_sequence(xdr, res, rqstp); |
fc01cea9 AA |
5978 | return status; |
5979 | } | |
5980 | ||
2050f0cc | 5981 | /* |
8b173218 | 5982 | * Decode GET_LEASE_TIME response |
2050f0cc | 5983 | */ |
bf269551 CL |
5984 | static int nfs4_xdr_dec_get_lease_time(struct rpc_rqst *rqstp, |
5985 | struct xdr_stream *xdr, | |
2050f0cc AA |
5986 | struct nfs4_get_lease_time_res *res) |
5987 | { | |
2050f0cc AA |
5988 | struct compound_hdr hdr; |
5989 | int status; | |
5990 | ||
bf269551 | 5991 | status = decode_compound_hdr(xdr, &hdr); |
2050f0cc | 5992 | if (!status) |
bf269551 | 5993 | status = decode_sequence(xdr, &res->lr_seq_res, rqstp); |
2050f0cc | 5994 | if (!status) |
bf269551 | 5995 | status = decode_putrootfh(xdr); |
2050f0cc | 5996 | if (!status) |
bf269551 | 5997 | status = decode_fsinfo(xdr, res->lr_fsinfo); |
2050f0cc AA |
5998 | return status; |
5999 | } | |
18019753 RL |
6000 | |
6001 | /* | |
6002 | * Decode RECLAIM_COMPLETE response | |
6003 | */ | |
bf269551 CL |
6004 | static int nfs4_xdr_dec_reclaim_complete(struct rpc_rqst *rqstp, |
6005 | struct xdr_stream *xdr, | |
18019753 RL |
6006 | struct nfs41_reclaim_complete_res *res) |
6007 | { | |
18019753 RL |
6008 | struct compound_hdr hdr; |
6009 | int status; | |
6010 | ||
bf269551 | 6011 | status = decode_compound_hdr(xdr, &hdr); |
18019753 | 6012 | if (!status) |
bf269551 | 6013 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
18019753 | 6014 | if (!status) |
bf269551 | 6015 | status = decode_reclaim_complete(xdr, (void *)NULL); |
18019753 RL |
6016 | return status; |
6017 | } | |
b1f69b75 AA |
6018 | |
6019 | /* | |
6020 | * Decode GETDEVINFO response | |
6021 | */ | |
bf269551 CL |
6022 | static int nfs4_xdr_dec_getdeviceinfo(struct rpc_rqst *rqstp, |
6023 | struct xdr_stream *xdr, | |
b1f69b75 AA |
6024 | struct nfs4_getdeviceinfo_res *res) |
6025 | { | |
b1f69b75 AA |
6026 | struct compound_hdr hdr; |
6027 | int status; | |
6028 | ||
bf269551 | 6029 | status = decode_compound_hdr(xdr, &hdr); |
b1f69b75 AA |
6030 | if (status != 0) |
6031 | goto out; | |
bf269551 | 6032 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
b1f69b75 AA |
6033 | if (status != 0) |
6034 | goto out; | |
bf269551 | 6035 | status = decode_getdeviceinfo(xdr, res->pdev); |
b1f69b75 AA |
6036 | out: |
6037 | return status; | |
6038 | } | |
6039 | ||
6040 | /* | |
6041 | * Decode LAYOUTGET response | |
6042 | */ | |
bf269551 CL |
6043 | static int nfs4_xdr_dec_layoutget(struct rpc_rqst *rqstp, |
6044 | struct xdr_stream *xdr, | |
b1f69b75 AA |
6045 | struct nfs4_layoutget_res *res) |
6046 | { | |
b1f69b75 AA |
6047 | struct compound_hdr hdr; |
6048 | int status; | |
6049 | ||
bf269551 | 6050 | status = decode_compound_hdr(xdr, &hdr); |
b1f69b75 AA |
6051 | if (status) |
6052 | goto out; | |
bf269551 | 6053 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
b1f69b75 AA |
6054 | if (status) |
6055 | goto out; | |
bf269551 | 6056 | status = decode_putfh(xdr); |
b1f69b75 AA |
6057 | if (status) |
6058 | goto out; | |
bf269551 | 6059 | status = decode_layoutget(xdr, rqstp, res); |
b1f69b75 AA |
6060 | out: |
6061 | return status; | |
6062 | } | |
99fe60d0 BH |
6063 | #endif /* CONFIG_NFS_V4_1 */ |
6064 | ||
573c4e1e CL |
6065 | /** |
6066 | * nfs4_decode_dirent - Decode a single NFSv4 directory entry stored in | |
6067 | * the local page cache. | |
6068 | * @xdr: XDR stream where entry resides | |
6069 | * @entry: buffer to fill in with entry data | |
6070 | * @plus: boolean indicating whether this should be a readdirplus entry | |
6071 | * | |
6072 | * Returns zero if successful, otherwise a negative errno value is | |
6073 | * returned. | |
6074 | * | |
6075 | * This function is not invoked during READDIR reply decoding, but | |
6076 | * rather whenever an application invokes the getdents(2) system call | |
6077 | * on a directory already in our cache. | |
6078 | */ | |
6079 | int nfs4_decode_dirent(struct xdr_stream *xdr, struct nfs_entry *entry, | |
6080 | int plus) | |
1da177e4 LT |
6081 | { |
6082 | uint32_t bitmap[2] = {0}; | |
6083 | uint32_t len; | |
babddc72 BS |
6084 | __be32 *p = xdr_inline_decode(xdr, 4); |
6085 | if (unlikely(!p)) | |
6086 | goto out_overflow; | |
6087 | if (!ntohl(*p++)) { | |
6088 | p = xdr_inline_decode(xdr, 4); | |
6089 | if (unlikely(!p)) | |
6090 | goto out_overflow; | |
6091 | if (!ntohl(*p++)) | |
573c4e1e | 6092 | return -EAGAIN; |
1da177e4 | 6093 | entry->eof = 1; |
573c4e1e | 6094 | return -EBADCOOKIE; |
1da177e4 LT |
6095 | } |
6096 | ||
babddc72 BS |
6097 | p = xdr_inline_decode(xdr, 12); |
6098 | if (unlikely(!p)) | |
6099 | goto out_overflow; | |
1da177e4 LT |
6100 | entry->prev_cookie = entry->cookie; |
6101 | p = xdr_decode_hyper(p, &entry->cookie); | |
6102 | entry->len = ntohl(*p++); | |
babddc72 | 6103 | |
9af8c222 | 6104 | p = xdr_inline_decode(xdr, entry->len); |
babddc72 BS |
6105 | if (unlikely(!p)) |
6106 | goto out_overflow; | |
1da177e4 | 6107 | entry->name = (const char *) p; |
1da177e4 LT |
6108 | |
6109 | /* | |
6110 | * In case the server doesn't return an inode number, | |
6111 | * we fake one here. (We don't use inode number 0, | |
6112 | * since glibc seems to choke on it...) | |
6113 | */ | |
6114 | entry->ino = 1; | |
4f082222 | 6115 | entry->fattr->valid = 0; |
1da177e4 | 6116 | |
9af8c222 TM |
6117 | if (decode_attr_bitmap(xdr, bitmap) < 0) |
6118 | goto out_overflow; | |
6119 | ||
6120 | if (decode_attr_length(xdr, &len, &p) < 0) | |
6121 | goto out_overflow; | |
6122 | ||
573c4e1e CL |
6123 | if (decode_getfattr_attrs(xdr, bitmap, entry->fattr, entry->fh, |
6124 | entry->server, 1) < 0) | |
9af8c222 TM |
6125 | goto out_overflow; |
6126 | if (entry->fattr->valid & NFS_ATTR_FATTR_FILEID) | |
6127 | entry->ino = entry->fattr->fileid; | |
6128 | ||
0b26a0bf TM |
6129 | entry->d_type = DT_UNKNOWN; |
6130 | if (entry->fattr->valid & NFS_ATTR_FATTR_TYPE) | |
6131 | entry->d_type = nfs_umode_to_dtype(entry->fattr->mode); | |
6132 | ||
9af8c222 | 6133 | if (verify_attr_len(xdr, p, len) < 0) |
babddc72 | 6134 | goto out_overflow; |
1da177e4 | 6135 | |
babddc72 BS |
6136 | p = xdr_inline_peek(xdr, 8); |
6137 | if (p != NULL) | |
6138 | entry->eof = !p[0] && p[1]; | |
6139 | else | |
6140 | entry->eof = 0; | |
6141 | ||
573c4e1e | 6142 | return 0; |
babddc72 BS |
6143 | |
6144 | out_overflow: | |
6145 | print_overflow_msg(__func__, xdr); | |
573c4e1e | 6146 | return -EAGAIN; |
1da177e4 LT |
6147 | } |
6148 | ||
6149 | /* | |
6150 | * We need to translate between nfs status return values and | |
6151 | * the local errno values which may not be the same. | |
6152 | */ | |
6153 | static struct { | |
6154 | int stat; | |
6155 | int errno; | |
6156 | } nfs_errtbl[] = { | |
6157 | { NFS4_OK, 0 }, | |
856dff3d BH |
6158 | { NFS4ERR_PERM, -EPERM }, |
6159 | { NFS4ERR_NOENT, -ENOENT }, | |
6160 | { NFS4ERR_IO, -errno_NFSERR_IO}, | |
6161 | { NFS4ERR_NXIO, -ENXIO }, | |
6162 | { NFS4ERR_ACCESS, -EACCES }, | |
6163 | { NFS4ERR_EXIST, -EEXIST }, | |
6164 | { NFS4ERR_XDEV, -EXDEV }, | |
6165 | { NFS4ERR_NOTDIR, -ENOTDIR }, | |
6166 | { NFS4ERR_ISDIR, -EISDIR }, | |
6167 | { NFS4ERR_INVAL, -EINVAL }, | |
6168 | { NFS4ERR_FBIG, -EFBIG }, | |
6169 | { NFS4ERR_NOSPC, -ENOSPC }, | |
6170 | { NFS4ERR_ROFS, -EROFS }, | |
6171 | { NFS4ERR_MLINK, -EMLINK }, | |
6172 | { NFS4ERR_NAMETOOLONG, -ENAMETOOLONG }, | |
6173 | { NFS4ERR_NOTEMPTY, -ENOTEMPTY }, | |
6174 | { NFS4ERR_DQUOT, -EDQUOT }, | |
6175 | { NFS4ERR_STALE, -ESTALE }, | |
6176 | { NFS4ERR_BADHANDLE, -EBADHANDLE }, | |
6177 | { NFS4ERR_BADOWNER, -EINVAL }, | |
6178 | { NFS4ERR_BADNAME, -EINVAL }, | |
6179 | { NFS4ERR_BAD_COOKIE, -EBADCOOKIE }, | |
6180 | { NFS4ERR_NOTSUPP, -ENOTSUPP }, | |
6181 | { NFS4ERR_TOOSMALL, -ETOOSMALL }, | |
fdcb4577 | 6182 | { NFS4ERR_SERVERFAULT, -EREMOTEIO }, |
856dff3d BH |
6183 | { NFS4ERR_BADTYPE, -EBADTYPE }, |
6184 | { NFS4ERR_LOCKED, -EAGAIN }, | |
856dff3d BH |
6185 | { NFS4ERR_SYMLINK, -ELOOP }, |
6186 | { NFS4ERR_OP_ILLEGAL, -EOPNOTSUPP }, | |
6187 | { NFS4ERR_DEADLOCK, -EDEADLK }, | |
6188 | { NFS4ERR_WRONGSEC, -EPERM }, /* FIXME: this needs | |
1da177e4 LT |
6189 | * to be handled by a |
6190 | * middle-layer. | |
6191 | */ | |
856dff3d | 6192 | { -1, -EIO } |
1da177e4 LT |
6193 | }; |
6194 | ||
6195 | /* | |
6196 | * Convert an NFS error code to a local one. | |
6197 | * This one is used jointly by NFSv2 and NFSv3. | |
6198 | */ | |
6199 | static int | |
0a8ea437 | 6200 | nfs4_stat_to_errno(int stat) |
1da177e4 LT |
6201 | { |
6202 | int i; | |
6203 | for (i = 0; nfs_errtbl[i].stat != -1; i++) { | |
6204 | if (nfs_errtbl[i].stat == stat) | |
6205 | return nfs_errtbl[i].errno; | |
6206 | } | |
6207 | if (stat <= 10000 || stat > 10100) { | |
6208 | /* The server is looney tunes. */ | |
fdcb4577 | 6209 | return -EREMOTEIO; |
1da177e4 LT |
6210 | } |
6211 | /* If we cannot translate the error, the recovery routines should | |
6212 | * handle it. | |
6213 | * Note: remaining NFSv4 error codes have values > 10000, so should | |
6214 | * not conflict with native Linux error codes. | |
6215 | */ | |
856dff3d | 6216 | return -stat; |
1da177e4 LT |
6217 | } |
6218 | ||
1da177e4 LT |
6219 | #define PROC(proc, argtype, restype) \ |
6220 | [NFSPROC4_CLNT_##proc] = { \ | |
6221 | .p_proc = NFSPROC4_COMPOUND, \ | |
9f06c719 | 6222 | .p_encode = (kxdreproc_t)nfs4_xdr_##argtype, \ |
bf269551 | 6223 | .p_decode = (kxdrdproc_t)nfs4_xdr_##restype, \ |
2bea90d4 CL |
6224 | .p_arglen = NFS4_##argtype##_sz, \ |
6225 | .p_replen = NFS4_##restype##_sz, \ | |
cc0175c1 CL |
6226 | .p_statidx = NFSPROC4_CLNT_##proc, \ |
6227 | .p_name = #proc, \ | |
05d564fe | 6228 | } |
1da177e4 LT |
6229 | |
6230 | struct rpc_procinfo nfs4_procedures[] = { | |
7d93bd71 CL |
6231 | PROC(READ, enc_read, dec_read), |
6232 | PROC(WRITE, enc_write, dec_write), | |
6233 | PROC(COMMIT, enc_commit, dec_commit), | |
6234 | PROC(OPEN, enc_open, dec_open), | |
6235 | PROC(OPEN_CONFIRM, enc_open_confirm, dec_open_confirm), | |
6236 | PROC(OPEN_NOATTR, enc_open_noattr, dec_open_noattr), | |
6237 | PROC(OPEN_DOWNGRADE, enc_open_downgrade, dec_open_downgrade), | |
6238 | PROC(CLOSE, enc_close, dec_close), | |
6239 | PROC(SETATTR, enc_setattr, dec_setattr), | |
6240 | PROC(FSINFO, enc_fsinfo, dec_fsinfo), | |
6241 | PROC(RENEW, enc_renew, dec_renew), | |
6242 | PROC(SETCLIENTID, enc_setclientid, dec_setclientid), | |
6243 | PROC(SETCLIENTID_CONFIRM, enc_setclientid_confirm, dec_setclientid_confirm), | |
6244 | PROC(LOCK, enc_lock, dec_lock), | |
6245 | PROC(LOCKT, enc_lockt, dec_lockt), | |
6246 | PROC(LOCKU, enc_locku, dec_locku), | |
6247 | PROC(ACCESS, enc_access, dec_access), | |
6248 | PROC(GETATTR, enc_getattr, dec_getattr), | |
6249 | PROC(LOOKUP, enc_lookup, dec_lookup), | |
6250 | PROC(LOOKUP_ROOT, enc_lookup_root, dec_lookup_root), | |
6251 | PROC(REMOVE, enc_remove, dec_remove), | |
6252 | PROC(RENAME, enc_rename, dec_rename), | |
6253 | PROC(LINK, enc_link, dec_link), | |
6254 | PROC(SYMLINK, enc_symlink, dec_symlink), | |
6255 | PROC(CREATE, enc_create, dec_create), | |
6256 | PROC(PATHCONF, enc_pathconf, dec_pathconf), | |
6257 | PROC(STATFS, enc_statfs, dec_statfs), | |
6258 | PROC(READLINK, enc_readlink, dec_readlink), | |
6259 | PROC(READDIR, enc_readdir, dec_readdir), | |
6260 | PROC(SERVER_CAPS, enc_server_caps, dec_server_caps), | |
6261 | PROC(DELEGRETURN, enc_delegreturn, dec_delegreturn), | |
6262 | PROC(GETACL, enc_getacl, dec_getacl), | |
6263 | PROC(SETACL, enc_setacl, dec_setacl), | |
6264 | PROC(FS_LOCATIONS, enc_fs_locations, dec_fs_locations), | |
6265 | PROC(RELEASE_LOCKOWNER, enc_release_lockowner, dec_release_lockowner), | |
99fe60d0 | 6266 | #if defined(CONFIG_NFS_V4_1) |
7d93bd71 CL |
6267 | PROC(EXCHANGE_ID, enc_exchange_id, dec_exchange_id), |
6268 | PROC(CREATE_SESSION, enc_create_session, dec_create_session), | |
6269 | PROC(DESTROY_SESSION, enc_destroy_session, dec_destroy_session), | |
6270 | PROC(SEQUENCE, enc_sequence, dec_sequence), | |
6271 | PROC(GET_LEASE_TIME, enc_get_lease_time, dec_get_lease_time), | |
6272 | PROC(RECLAIM_COMPLETE, enc_reclaim_complete, dec_reclaim_complete), | |
6273 | PROC(GETDEVICEINFO, enc_getdeviceinfo, dec_getdeviceinfo), | |
6274 | PROC(LAYOUTGET, enc_layoutget, dec_layoutget), | |
99fe60d0 | 6275 | #endif /* CONFIG_NFS_V4_1 */ |
1da177e4 LT |
6276 | }; |
6277 | ||
6278 | struct rpc_version nfs_version4 = { | |
6279 | .number = 4, | |
e8c96f8c | 6280 | .nrprocs = ARRAY_SIZE(nfs4_procedures), |
1da177e4 LT |
6281 | .procs = nfs4_procedures |
6282 | }; | |
6283 | ||
6284 | /* | |
6285 | * Local variables: | |
6286 | * c-basic-offset: 8 | |
6287 | * End: | |
6288 | */ |