]>
Commit | Line | Data |
---|---|---|
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 | */ |
d035c36c TM |
74 | #define open_owner_id_maxsz (1 + 1 + 4) |
75 | #define lock_owner_id_maxsz (1 + 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) { | |
e4fd72a1 | 847 | owner_namelen = nfs_map_uid_to_name(server, 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) { | |
e4fd72a1 | 859 | owner_grouplen = nfs_map_gid_to_group(server, 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 | ||
d035c36c | 1091 | p = reserve_space(xdr, 32); |
daccbded | 1092 | p = xdr_encode_hyper(p, lowner->clientid); |
d035c36c | 1093 | *p++ = cpu_to_be32(20); |
daccbded | 1094 | p = xdr_encode_opaque_fixed(p, "lock id:", 8); |
d035c36c | 1095 | *p++ = cpu_to_be32(lowner->s_dev); |
daccbded TM |
1096 | xdr_encode_hyper(p, lowner->id); |
1097 | } | |
1098 | ||
1da177e4 LT |
1099 | /* |
1100 | * opcode,type,reclaim,offset,length,new_lock_owner = 32 | |
1101 | * open_seqid,open_stateid,lock_seqid,lock_owner.clientid, lock_owner.id = 40 | |
1102 | */ | |
cf8cdbe5 | 1103 | static void encode_lock(struct xdr_stream *xdr, const struct nfs_lock_args *args, struct compound_hdr *hdr) |
1da177e4 | 1104 | { |
8687b63a | 1105 | __be32 *p; |
1da177e4 | 1106 | |
13c65ce9 | 1107 | p = reserve_space(xdr, 32); |
e75bc1c8 BH |
1108 | *p++ = cpu_to_be32(OP_LOCK); |
1109 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, args->block)); | |
1110 | *p++ = cpu_to_be32(args->reclaim); | |
b95be5a9 BH |
1111 | p = xdr_encode_hyper(p, args->fl->fl_start); |
1112 | p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); | |
34558513 | 1113 | *p = cpu_to_be32(args->new_lock_owner); |
911d1aaf | 1114 | if (args->new_lock_owner){ |
daccbded | 1115 | p = reserve_space(xdr, 4+NFS4_STATEID_SIZE+4); |
e75bc1c8 | 1116 | *p++ = cpu_to_be32(args->open_seqid->sequence->counter); |
93f0cf25 | 1117 | p = xdr_encode_opaque_fixed(p, args->open_stateid->data, NFS4_STATEID_SIZE); |
e75bc1c8 | 1118 | *p++ = cpu_to_be32(args->lock_seqid->sequence->counter); |
daccbded | 1119 | encode_lockowner(xdr, &args->lock_owner); |
1da177e4 LT |
1120 | } |
1121 | else { | |
13c65ce9 | 1122 | p = reserve_space(xdr, NFS4_STATEID_SIZE+4); |
93f0cf25 | 1123 | p = xdr_encode_opaque_fixed(p, args->lock_stateid->data, NFS4_STATEID_SIZE); |
34558513 | 1124 | *p = cpu_to_be32(args->lock_seqid->sequence->counter); |
1da177e4 | 1125 | } |
d017931c | 1126 | hdr->nops++; |
dadf0c27 | 1127 | hdr->replen += decode_lock_maxsz; |
1da177e4 LT |
1128 | } |
1129 | ||
cf8cdbe5 | 1130 | static void encode_lockt(struct xdr_stream *xdr, const struct nfs_lockt_args *args, struct compound_hdr *hdr) |
1da177e4 | 1131 | { |
8687b63a | 1132 | __be32 *p; |
1da177e4 | 1133 | |
daccbded | 1134 | p = reserve_space(xdr, 24); |
e75bc1c8 BH |
1135 | *p++ = cpu_to_be32(OP_LOCKT); |
1136 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, 0)); | |
b95be5a9 BH |
1137 | p = xdr_encode_hyper(p, args->fl->fl_start); |
1138 | p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); | |
daccbded | 1139 | encode_lockowner(xdr, &args->lock_owner); |
d017931c | 1140 | hdr->nops++; |
dadf0c27 | 1141 | hdr->replen += decode_lockt_maxsz; |
1da177e4 LT |
1142 | } |
1143 | ||
cf8cdbe5 | 1144 | static void encode_locku(struct xdr_stream *xdr, const struct nfs_locku_args *args, struct compound_hdr *hdr) |
1da177e4 | 1145 | { |
8687b63a | 1146 | __be32 *p; |
1da177e4 | 1147 | |
13c65ce9 | 1148 | p = reserve_space(xdr, 12+NFS4_STATEID_SIZE+16); |
e75bc1c8 BH |
1149 | *p++ = cpu_to_be32(OP_LOCKU); |
1150 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, 0)); | |
1151 | *p++ = cpu_to_be32(args->seqid->sequence->counter); | |
93f0cf25 | 1152 | p = xdr_encode_opaque_fixed(p, args->stateid->data, NFS4_STATEID_SIZE); |
b95be5a9 | 1153 | p = xdr_encode_hyper(p, args->fl->fl_start); |
34558513 | 1154 | xdr_encode_hyper(p, nfs4_lock_length(args->fl)); |
d017931c | 1155 | hdr->nops++; |
dadf0c27 | 1156 | hdr->replen += decode_locku_maxsz; |
1da177e4 LT |
1157 | } |
1158 | ||
d3c7b7cc TM |
1159 | static void encode_release_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner, struct compound_hdr *hdr) |
1160 | { | |
1161 | __be32 *p; | |
1162 | ||
1163 | p = reserve_space(xdr, 4); | |
1164 | *p = cpu_to_be32(OP_RELEASE_LOCKOWNER); | |
1165 | encode_lockowner(xdr, lowner); | |
1166 | hdr->nops++; | |
1167 | hdr->replen += decode_release_lockowner_maxsz; | |
1168 | } | |
1169 | ||
cf8cdbe5 | 1170 | static void encode_lookup(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 LT |
1171 | { |
1172 | int len = name->len; | |
8687b63a | 1173 | __be32 *p; |
1da177e4 | 1174 | |
13c65ce9 | 1175 | p = reserve_space(xdr, 8 + len); |
e75bc1c8 | 1176 | *p++ = cpu_to_be32(OP_LOOKUP); |
811652bd | 1177 | xdr_encode_opaque(p, name->name, len); |
d017931c | 1178 | hdr->nops++; |
dadf0c27 | 1179 | hdr->replen += decode_lookup_maxsz; |
1da177e4 LT |
1180 | } |
1181 | ||
dc0b027d | 1182 | static void encode_share_access(struct xdr_stream *xdr, fmode_t fmode) |
1da177e4 | 1183 | { |
8687b63a | 1184 | __be32 *p; |
1da177e4 | 1185 | |
13c65ce9 | 1186 | p = reserve_space(xdr, 8); |
dc0b027d | 1187 | switch (fmode & (FMODE_READ|FMODE_WRITE)) { |
05d564fe | 1188 | case FMODE_READ: |
e75bc1c8 | 1189 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_READ); |
05d564fe AA |
1190 | break; |
1191 | case FMODE_WRITE: | |
e75bc1c8 | 1192 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_WRITE); |
05d564fe AA |
1193 | break; |
1194 | case FMODE_READ|FMODE_WRITE: | |
e75bc1c8 | 1195 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_BOTH); |
05d564fe AA |
1196 | break; |
1197 | default: | |
e75bc1c8 | 1198 | *p++ = cpu_to_be32(0); |
1da177e4 | 1199 | } |
34558513 | 1200 | *p = cpu_to_be32(0); /* for linux, share_deny = 0 always */ |
1da177e4 LT |
1201 | } |
1202 | ||
1203 | static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1204 | { | |
8687b63a | 1205 | __be32 *p; |
1da177e4 LT |
1206 | /* |
1207 | * opcode 4, seqid 4, share_access 4, share_deny 4, clientid 8, ownerlen 4, | |
1208 | * owner 4 = 32 | |
1209 | */ | |
13c65ce9 | 1210 | p = reserve_space(xdr, 8); |
e75bc1c8 | 1211 | *p++ = cpu_to_be32(OP_OPEN); |
34558513 | 1212 | *p = cpu_to_be32(arg->seqid->sequence->counter); |
dc0b027d | 1213 | encode_share_access(xdr, arg->fmode); |
d035c36c | 1214 | p = reserve_space(xdr, 32); |
b95be5a9 | 1215 | p = xdr_encode_hyper(p, arg->clientid); |
d035c36c | 1216 | *p++ = cpu_to_be32(20); |
93f0cf25 | 1217 | p = xdr_encode_opaque_fixed(p, "open id:", 8); |
d035c36c | 1218 | *p++ = cpu_to_be32(arg->server->s_dev); |
34558513 | 1219 | xdr_encode_hyper(p, arg->id); |
1da177e4 LT |
1220 | } |
1221 | ||
1222 | static inline void encode_createmode(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1223 | { | |
8687b63a | 1224 | __be32 *p; |
4882ef72 | 1225 | struct nfs_client *clp; |
1da177e4 | 1226 | |
13c65ce9 | 1227 | p = reserve_space(xdr, 4); |
1da177e4 | 1228 | switch(arg->open_flags & O_EXCL) { |
05d564fe | 1229 | case 0: |
34558513 | 1230 | *p = cpu_to_be32(NFS4_CREATE_UNCHECKED); |
05d564fe AA |
1231 | encode_attrs(xdr, arg->u.attrs, arg->server); |
1232 | break; | |
1233 | default: | |
4882ef72 | 1234 | clp = arg->server->nfs_client; |
a4432345 | 1235 | if (clp->cl_mvops->minor_version > 0) { |
4882ef72 AB |
1236 | if (nfs4_has_persistent_session(clp)) { |
1237 | *p = cpu_to_be32(NFS4_CREATE_GUARDED); | |
1238 | encode_attrs(xdr, arg->u.attrs, arg->server); | |
1239 | } else { | |
1240 | struct iattr dummy; | |
1241 | ||
1242 | *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE4_1); | |
1243 | encode_nfs4_verifier(xdr, &arg->u.verifier); | |
1244 | dummy.ia_valid = 0; | |
1245 | encode_attrs(xdr, &dummy, arg->server); | |
1246 | } | |
1247 | } else { | |
1248 | *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE); | |
1249 | encode_nfs4_verifier(xdr, &arg->u.verifier); | |
1250 | } | |
1da177e4 LT |
1251 | } |
1252 | } | |
1253 | ||
1254 | static void encode_opentype(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1255 | { | |
8687b63a | 1256 | __be32 *p; |
1da177e4 | 1257 | |
13c65ce9 | 1258 | p = reserve_space(xdr, 4); |
1da177e4 | 1259 | switch (arg->open_flags & O_CREAT) { |
05d564fe | 1260 | case 0: |
34558513 | 1261 | *p = cpu_to_be32(NFS4_OPEN_NOCREATE); |
05d564fe AA |
1262 | break; |
1263 | default: | |
1264 | BUG_ON(arg->claim != NFS4_OPEN_CLAIM_NULL); | |
34558513 | 1265 | *p = cpu_to_be32(NFS4_OPEN_CREATE); |
05d564fe | 1266 | encode_createmode(xdr, arg); |
1da177e4 LT |
1267 | } |
1268 | } | |
1269 | ||
bd7bf9d5 | 1270 | static inline void encode_delegation_type(struct xdr_stream *xdr, fmode_t delegation_type) |
1da177e4 | 1271 | { |
8687b63a | 1272 | __be32 *p; |
1da177e4 | 1273 | |
13c65ce9 | 1274 | p = reserve_space(xdr, 4); |
1da177e4 | 1275 | switch (delegation_type) { |
05d564fe | 1276 | case 0: |
34558513 | 1277 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_NONE); |
05d564fe AA |
1278 | break; |
1279 | case FMODE_READ: | |
34558513 | 1280 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_READ); |
05d564fe AA |
1281 | break; |
1282 | case FMODE_WRITE|FMODE_READ: | |
34558513 | 1283 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_WRITE); |
05d564fe AA |
1284 | break; |
1285 | default: | |
1286 | BUG(); | |
1da177e4 LT |
1287 | } |
1288 | } | |
1289 | ||
1290 | static inline void encode_claim_null(struct xdr_stream *xdr, const struct qstr *name) | |
1291 | { | |
8687b63a | 1292 | __be32 *p; |
1da177e4 | 1293 | |
13c65ce9 | 1294 | p = reserve_space(xdr, 4); |
34558513 | 1295 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_NULL); |
1da177e4 LT |
1296 | encode_string(xdr, name->len, name->name); |
1297 | } | |
1298 | ||
bd7bf9d5 | 1299 | static inline void encode_claim_previous(struct xdr_stream *xdr, fmode_t type) |
1da177e4 | 1300 | { |
8687b63a | 1301 | __be32 *p; |
1da177e4 | 1302 | |
13c65ce9 | 1303 | p = reserve_space(xdr, 4); |
34558513 | 1304 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_PREVIOUS); |
1da177e4 LT |
1305 | encode_delegation_type(xdr, type); |
1306 | } | |
1307 | ||
1308 | static inline void encode_claim_delegate_cur(struct xdr_stream *xdr, const struct qstr *name, const nfs4_stateid *stateid) | |
1309 | { | |
8687b63a | 1310 | __be32 *p; |
1da177e4 | 1311 | |
13c65ce9 | 1312 | p = reserve_space(xdr, 4+NFS4_STATEID_SIZE); |
e75bc1c8 | 1313 | *p++ = cpu_to_be32(NFS4_OPEN_CLAIM_DELEGATE_CUR); |
34558513 | 1314 | xdr_encode_opaque_fixed(p, stateid->data, NFS4_STATEID_SIZE); |
1da177e4 LT |
1315 | encode_string(xdr, name->len, name->name); |
1316 | } | |
1317 | ||
cf8cdbe5 | 1318 | static void encode_open(struct xdr_stream *xdr, const struct nfs_openargs *arg, struct compound_hdr *hdr) |
1da177e4 LT |
1319 | { |
1320 | encode_openhdr(xdr, arg); | |
1321 | encode_opentype(xdr, arg); | |
1322 | switch (arg->claim) { | |
05d564fe AA |
1323 | case NFS4_OPEN_CLAIM_NULL: |
1324 | encode_claim_null(xdr, arg->name); | |
1325 | break; | |
1326 | case NFS4_OPEN_CLAIM_PREVIOUS: | |
1327 | encode_claim_previous(xdr, arg->u.delegation_type); | |
1328 | break; | |
1329 | case NFS4_OPEN_CLAIM_DELEGATE_CUR: | |
1330 | encode_claim_delegate_cur(xdr, arg->name, &arg->u.delegation); | |
1331 | break; | |
1332 | default: | |
1333 | BUG(); | |
1da177e4 | 1334 | } |
d017931c | 1335 | hdr->nops++; |
dadf0c27 | 1336 | hdr->replen += decode_open_maxsz; |
1da177e4 LT |
1337 | } |
1338 | ||
cf8cdbe5 | 1339 | static void encode_open_confirm(struct xdr_stream *xdr, const struct nfs_open_confirmargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1340 | { |
8687b63a | 1341 | __be32 *p; |
1da177e4 | 1342 | |
13c65ce9 | 1343 | p = reserve_space(xdr, 4+NFS4_STATEID_SIZE+4); |
e75bc1c8 | 1344 | *p++ = cpu_to_be32(OP_OPEN_CONFIRM); |
93f0cf25 | 1345 | p = xdr_encode_opaque_fixed(p, arg->stateid->data, NFS4_STATEID_SIZE); |
34558513 | 1346 | *p = cpu_to_be32(arg->seqid->sequence->counter); |
d017931c | 1347 | hdr->nops++; |
dadf0c27 | 1348 | hdr->replen += decode_open_confirm_maxsz; |
1da177e4 LT |
1349 | } |
1350 | ||
cf8cdbe5 | 1351 | static void encode_open_downgrade(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1352 | { |
8687b63a | 1353 | __be32 *p; |
1da177e4 | 1354 | |
13c65ce9 | 1355 | p = reserve_space(xdr, 4+NFS4_STATEID_SIZE+4); |
e75bc1c8 | 1356 | *p++ = cpu_to_be32(OP_OPEN_DOWNGRADE); |
93f0cf25 | 1357 | p = xdr_encode_opaque_fixed(p, arg->stateid->data, NFS4_STATEID_SIZE); |
34558513 | 1358 | *p = cpu_to_be32(arg->seqid->sequence->counter); |
dc0b027d | 1359 | encode_share_access(xdr, arg->fmode); |
d017931c | 1360 | hdr->nops++; |
dadf0c27 | 1361 | hdr->replen += decode_open_downgrade_maxsz; |
1da177e4 LT |
1362 | } |
1363 | ||
cf8cdbe5 | 1364 | static void |
d017931c | 1365 | encode_putfh(struct xdr_stream *xdr, const struct nfs_fh *fh, struct compound_hdr *hdr) |
1da177e4 LT |
1366 | { |
1367 | int len = fh->size; | |
8687b63a | 1368 | __be32 *p; |
1da177e4 | 1369 | |
13c65ce9 | 1370 | p = reserve_space(xdr, 8 + len); |
e75bc1c8 | 1371 | *p++ = cpu_to_be32(OP_PUTFH); |
811652bd | 1372 | xdr_encode_opaque(p, fh->data, len); |
d017931c | 1373 | hdr->nops++; |
dadf0c27 | 1374 | hdr->replen += decode_putfh_maxsz; |
1da177e4 LT |
1375 | } |
1376 | ||
cf8cdbe5 | 1377 | static void encode_putrootfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1378 | { |
05d564fe | 1379 | __be32 *p; |
6c0195a4 | 1380 | |
13c65ce9 | 1381 | p = reserve_space(xdr, 4); |
34558513 | 1382 | *p = cpu_to_be32(OP_PUTROOTFH); |
d017931c | 1383 | hdr->nops++; |
dadf0c27 | 1384 | hdr->replen += decode_putrootfh_maxsz; |
1da177e4 LT |
1385 | } |
1386 | ||
89d1ea65 | 1387 | static void encode_stateid(struct xdr_stream *xdr, const struct nfs_open_context *ctx, const struct nfs_lock_context *l_ctx, int zero_seqid) |
1da177e4 | 1388 | { |
1da177e4 | 1389 | nfs4_stateid stateid; |
8687b63a | 1390 | __be32 *p; |
1da177e4 | 1391 | |
13c65ce9 | 1392 | p = reserve_space(xdr, NFS4_STATEID_SIZE); |
1da177e4 | 1393 | if (ctx->state != NULL) { |
77041ed9 | 1394 | nfs4_copy_stateid(&stateid, ctx->state, l_ctx->lockowner, l_ctx->pid); |
89d1ea65 AA |
1395 | if (zero_seqid) |
1396 | stateid.stateid.seqid = 0; | |
34558513 | 1397 | xdr_encode_opaque_fixed(p, stateid.data, NFS4_STATEID_SIZE); |
1da177e4 | 1398 | } else |
34558513 | 1399 | xdr_encode_opaque_fixed(p, zero_stateid.data, NFS4_STATEID_SIZE); |
1da177e4 LT |
1400 | } |
1401 | ||
cf8cdbe5 | 1402 | static void encode_read(struct xdr_stream *xdr, const struct nfs_readargs *args, struct compound_hdr *hdr) |
1da177e4 | 1403 | { |
8687b63a | 1404 | __be32 *p; |
1da177e4 | 1405 | |
13c65ce9 | 1406 | p = reserve_space(xdr, 4); |
34558513 | 1407 | *p = cpu_to_be32(OP_READ); |
1da177e4 | 1408 | |
89d1ea65 AA |
1409 | encode_stateid(xdr, args->context, args->lock_context, |
1410 | hdr->minorversion); | |
1da177e4 | 1411 | |
13c65ce9 | 1412 | p = reserve_space(xdr, 12); |
b95be5a9 | 1413 | p = xdr_encode_hyper(p, args->offset); |
34558513 | 1414 | *p = cpu_to_be32(args->count); |
d017931c | 1415 | hdr->nops++; |
dadf0c27 | 1416 | hdr->replen += decode_read_maxsz; |
1da177e4 LT |
1417 | } |
1418 | ||
cf8cdbe5 | 1419 | static void encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg *readdir, struct rpc_rqst *req, struct compound_hdr *hdr) |
1da177e4 | 1420 | { |
82f2e547 | 1421 | uint32_t attrs[2] = {0, 0}; |
6f7a35bd | 1422 | uint32_t dircount = readdir->count >> 1; |
8687b63a | 1423 | __be32 *p; |
1da177e4 | 1424 | |
82f2e547 BS |
1425 | if (readdir->plus) { |
1426 | attrs[0] |= FATTR4_WORD0_TYPE|FATTR4_WORD0_CHANGE|FATTR4_WORD0_SIZE| | |
1427 | FATTR4_WORD0_FSID|FATTR4_WORD0_FILEHANDLE; | |
1428 | attrs[1] |= FATTR4_WORD1_MODE|FATTR4_WORD1_NUMLINKS|FATTR4_WORD1_OWNER| | |
1429 | FATTR4_WORD1_OWNER_GROUP|FATTR4_WORD1_RAWDEV| | |
1430 | FATTR4_WORD1_SPACE_USED|FATTR4_WORD1_TIME_ACCESS| | |
1431 | FATTR4_WORD1_TIME_METADATA|FATTR4_WORD1_TIME_MODIFY; | |
6f7a35bd | 1432 | dircount >>= 1; |
82f2e547 BS |
1433 | } |
1434 | attrs[0] |= FATTR4_WORD0_RDATTR_ERROR|FATTR4_WORD0_FILEID; | |
1435 | attrs[1] |= FATTR4_WORD1_MOUNTED_ON_FILEID; | |
6f7a35bd TM |
1436 | /* Switch to mounted_on_fileid if the server supports it */ |
1437 | if (readdir->bitmask[1] & FATTR4_WORD1_MOUNTED_ON_FILEID) | |
1438 | attrs[0] &= ~FATTR4_WORD0_FILEID; | |
1439 | else | |
1440 | attrs[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID; | |
82f2e547 | 1441 | |
13c65ce9 | 1442 | p = reserve_space(xdr, 12+NFS4_VERIFIER_SIZE+20); |
e75bc1c8 | 1443 | *p++ = cpu_to_be32(OP_READDIR); |
b95be5a9 | 1444 | p = xdr_encode_hyper(p, readdir->cookie); |
93f0cf25 | 1445 | p = xdr_encode_opaque_fixed(p, readdir->verifier.data, NFS4_VERIFIER_SIZE); |
6f7a35bd | 1446 | *p++ = cpu_to_be32(dircount); |
e75bc1c8 BH |
1447 | *p++ = cpu_to_be32(readdir->count); |
1448 | *p++ = cpu_to_be32(2); | |
82f2e547 | 1449 | |
e75bc1c8 | 1450 | *p++ = cpu_to_be32(attrs[0] & readdir->bitmask[0]); |
34558513 | 1451 | *p = cpu_to_be32(attrs[1] & readdir->bitmask[1]); |
d017931c | 1452 | hdr->nops++; |
dadf0c27 | 1453 | hdr->replen += decode_readdir_maxsz; |
44109241 FI |
1454 | dprintk("%s: cookie = %Lu, verifier = %08x:%08x, bitmap = %08x:%08x\n", |
1455 | __func__, | |
eadf4598 TM |
1456 | (unsigned long long)readdir->cookie, |
1457 | ((u32 *)readdir->verifier.data)[0], | |
1458 | ((u32 *)readdir->verifier.data)[1], | |
1459 | attrs[0] & readdir->bitmask[0], | |
1460 | attrs[1] & readdir->bitmask[1]); | |
1da177e4 LT |
1461 | } |
1462 | ||
cf8cdbe5 | 1463 | static void encode_readlink(struct xdr_stream *xdr, const struct nfs4_readlink *readlink, struct rpc_rqst *req, struct compound_hdr *hdr) |
1da177e4 | 1464 | { |
8687b63a | 1465 | __be32 *p; |
1da177e4 | 1466 | |
13c65ce9 | 1467 | p = reserve_space(xdr, 4); |
34558513 | 1468 | *p = cpu_to_be32(OP_READLINK); |
d017931c | 1469 | hdr->nops++; |
dadf0c27 | 1470 | hdr->replen += decode_readlink_maxsz; |
1da177e4 LT |
1471 | } |
1472 | ||
cf8cdbe5 | 1473 | static void encode_remove(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1474 | { |
8687b63a | 1475 | __be32 *p; |
1da177e4 | 1476 | |
13c65ce9 | 1477 | p = reserve_space(xdr, 8 + name->len); |
e75bc1c8 | 1478 | *p++ = cpu_to_be32(OP_REMOVE); |
811652bd | 1479 | xdr_encode_opaque(p, name->name, name->len); |
d017931c | 1480 | hdr->nops++; |
dadf0c27 | 1481 | hdr->replen += decode_remove_maxsz; |
1da177e4 LT |
1482 | } |
1483 | ||
cf8cdbe5 | 1484 | static void encode_rename(struct xdr_stream *xdr, const struct qstr *oldname, const struct qstr *newname, struct compound_hdr *hdr) |
1da177e4 | 1485 | { |
8687b63a | 1486 | __be32 *p; |
1da177e4 | 1487 | |
811652bd BH |
1488 | p = reserve_space(xdr, 4); |
1489 | *p = cpu_to_be32(OP_RENAME); | |
1490 | encode_string(xdr, oldname->len, oldname->name); | |
1491 | encode_string(xdr, newname->len, newname->name); | |
d017931c | 1492 | hdr->nops++; |
dadf0c27 | 1493 | hdr->replen += decode_rename_maxsz; |
1da177e4 LT |
1494 | } |
1495 | ||
cf8cdbe5 | 1496 | static void encode_renew(struct xdr_stream *xdr, const struct nfs_client *client_stateid, struct compound_hdr *hdr) |
1da177e4 | 1497 | { |
8687b63a | 1498 | __be32 *p; |
1da177e4 | 1499 | |
13c65ce9 | 1500 | p = reserve_space(xdr, 12); |
e75bc1c8 | 1501 | *p++ = cpu_to_be32(OP_RENEW); |
34558513 | 1502 | xdr_encode_hyper(p, client_stateid->cl_clientid); |
d017931c | 1503 | hdr->nops++; |
dadf0c27 | 1504 | hdr->replen += decode_renew_maxsz; |
1da177e4 LT |
1505 | } |
1506 | ||
cf8cdbe5 | 1507 | static void |
d017931c | 1508 | encode_restorefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
56ae19f3 | 1509 | { |
8687b63a | 1510 | __be32 *p; |
56ae19f3 | 1511 | |
13c65ce9 | 1512 | p = reserve_space(xdr, 4); |
34558513 | 1513 | *p = cpu_to_be32(OP_RESTOREFH); |
d017931c | 1514 | hdr->nops++; |
dadf0c27 | 1515 | hdr->replen += decode_restorefh_maxsz; |
56ae19f3 TM |
1516 | } |
1517 | ||
9f06c719 | 1518 | static void |
d017931c | 1519 | encode_setacl(struct xdr_stream *xdr, struct nfs_setaclargs *arg, struct compound_hdr *hdr) |
23ec6965 | 1520 | { |
8687b63a | 1521 | __be32 *p; |
23ec6965 | 1522 | |
13c65ce9 | 1523 | p = reserve_space(xdr, 4+NFS4_STATEID_SIZE); |
e75bc1c8 | 1524 | *p++ = cpu_to_be32(OP_SETATTR); |
34558513 | 1525 | xdr_encode_opaque_fixed(p, zero_stateid.data, NFS4_STATEID_SIZE); |
13c65ce9 | 1526 | p = reserve_space(xdr, 2*4); |
e75bc1c8 | 1527 | *p++ = cpu_to_be32(1); |
34558513 | 1528 | *p = cpu_to_be32(FATTR4_WORD0_ACL); |
9f06c719 | 1529 | BUG_ON(arg->acl_len % 4); |
13c65ce9 | 1530 | p = reserve_space(xdr, 4); |
34558513 | 1531 | *p = cpu_to_be32(arg->acl_len); |
23ec6965 | 1532 | xdr_write_pages(xdr, arg->acl_pages, arg->acl_pgbase, arg->acl_len); |
d017931c | 1533 | hdr->nops++; |
dadf0c27 | 1534 | hdr->replen += decode_setacl_maxsz; |
23ec6965 BF |
1535 | } |
1536 | ||
cf8cdbe5 | 1537 | static void |
d017931c | 1538 | encode_savefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1539 | { |
8687b63a | 1540 | __be32 *p; |
1da177e4 | 1541 | |
13c65ce9 | 1542 | p = reserve_space(xdr, 4); |
34558513 | 1543 | *p = cpu_to_be32(OP_SAVEFH); |
d017931c | 1544 | hdr->nops++; |
dadf0c27 | 1545 | hdr->replen += decode_savefh_maxsz; |
1da177e4 LT |
1546 | } |
1547 | ||
cf8cdbe5 | 1548 | static void encode_setattr(struct xdr_stream *xdr, const struct nfs_setattrargs *arg, const struct nfs_server *server, struct compound_hdr *hdr) |
1da177e4 | 1549 | { |
8687b63a | 1550 | __be32 *p; |
6c0195a4 | 1551 | |
13c65ce9 | 1552 | p = reserve_space(xdr, 4+NFS4_STATEID_SIZE); |
e75bc1c8 | 1553 | *p++ = cpu_to_be32(OP_SETATTR); |
34558513 | 1554 | xdr_encode_opaque_fixed(p, arg->stateid.data, NFS4_STATEID_SIZE); |
d017931c | 1555 | hdr->nops++; |
dadf0c27 | 1556 | hdr->replen += decode_setattr_maxsz; |
cf8cdbe5 | 1557 | encode_attrs(xdr, arg->iap, server); |
1da177e4 LT |
1558 | } |
1559 | ||
cf8cdbe5 | 1560 | static void encode_setclientid(struct xdr_stream *xdr, const struct nfs4_setclientid *setclientid, struct compound_hdr *hdr) |
1da177e4 | 1561 | { |
8687b63a | 1562 | __be32 *p; |
1da177e4 | 1563 | |
13c65ce9 | 1564 | p = reserve_space(xdr, 4 + NFS4_VERIFIER_SIZE); |
e75bc1c8 | 1565 | *p++ = cpu_to_be32(OP_SETCLIENTID); |
34558513 | 1566 | xdr_encode_opaque_fixed(p, setclientid->sc_verifier->data, NFS4_VERIFIER_SIZE); |
1da177e4 LT |
1567 | |
1568 | encode_string(xdr, setclientid->sc_name_len, setclientid->sc_name); | |
13c65ce9 | 1569 | p = reserve_space(xdr, 4); |
34558513 | 1570 | *p = cpu_to_be32(setclientid->sc_prog); |
1da177e4 LT |
1571 | encode_string(xdr, setclientid->sc_netid_len, setclientid->sc_netid); |
1572 | encode_string(xdr, setclientid->sc_uaddr_len, setclientid->sc_uaddr); | |
13c65ce9 | 1573 | p = reserve_space(xdr, 4); |
34558513 | 1574 | *p = cpu_to_be32(setclientid->sc_cb_ident); |
d017931c | 1575 | hdr->nops++; |
dadf0c27 | 1576 | hdr->replen += decode_setclientid_maxsz; |
1da177e4 LT |
1577 | } |
1578 | ||
bb8b27e5 | 1579 | static void encode_setclientid_confirm(struct xdr_stream *xdr, const struct nfs4_setclientid_res *arg, struct compound_hdr *hdr) |
1da177e4 | 1580 | { |
05d564fe | 1581 | __be32 *p; |
1da177e4 | 1582 | |
13c65ce9 | 1583 | p = reserve_space(xdr, 12 + NFS4_VERIFIER_SIZE); |
e75bc1c8 | 1584 | *p++ = cpu_to_be32(OP_SETCLIENTID_CONFIRM); |
bb8b27e5 TM |
1585 | p = xdr_encode_hyper(p, arg->clientid); |
1586 | xdr_encode_opaque_fixed(p, arg->confirm.data, NFS4_VERIFIER_SIZE); | |
d017931c | 1587 | hdr->nops++; |
dadf0c27 | 1588 | hdr->replen += decode_setclientid_confirm_maxsz; |
1da177e4 LT |
1589 | } |
1590 | ||
cf8cdbe5 | 1591 | static void encode_write(struct xdr_stream *xdr, const struct nfs_writeargs *args, struct compound_hdr *hdr) |
1da177e4 | 1592 | { |
8687b63a | 1593 | __be32 *p; |
1da177e4 | 1594 | |
13c65ce9 | 1595 | p = reserve_space(xdr, 4); |
34558513 | 1596 | *p = cpu_to_be32(OP_WRITE); |
1da177e4 | 1597 | |
89d1ea65 AA |
1598 | encode_stateid(xdr, args->context, args->lock_context, |
1599 | hdr->minorversion); | |
1da177e4 | 1600 | |
13c65ce9 | 1601 | p = reserve_space(xdr, 16); |
b95be5a9 | 1602 | p = xdr_encode_hyper(p, args->offset); |
e75bc1c8 | 1603 | *p++ = cpu_to_be32(args->stable); |
34558513 | 1604 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1605 | |
1606 | xdr_write_pages(xdr, args->pages, args->pgbase, args->count); | |
d017931c | 1607 | hdr->nops++; |
dadf0c27 | 1608 | hdr->replen += decode_write_maxsz; |
1da177e4 LT |
1609 | } |
1610 | ||
cf8cdbe5 | 1611 | static void encode_delegreturn(struct xdr_stream *xdr, const nfs4_stateid *stateid, struct compound_hdr *hdr) |
1da177e4 | 1612 | { |
8687b63a | 1613 | __be32 *p; |
1da177e4 | 1614 | |
13c65ce9 | 1615 | p = reserve_space(xdr, 4+NFS4_STATEID_SIZE); |
1da177e4 | 1616 | |
e75bc1c8 | 1617 | *p++ = cpu_to_be32(OP_DELEGRETURN); |
34558513 | 1618 | xdr_encode_opaque_fixed(p, stateid->data, NFS4_STATEID_SIZE); |
d017931c | 1619 | hdr->nops++; |
dadf0c27 | 1620 | hdr->replen += decode_delegreturn_maxsz; |
1da177e4 | 1621 | } |
9b7b9fcc | 1622 | |
99fe60d0 | 1623 | #if defined(CONFIG_NFS_V4_1) |
9b7b9fcc | 1624 | /* NFSv4.1 operations */ |
99fe60d0 BH |
1625 | static void encode_exchange_id(struct xdr_stream *xdr, |
1626 | struct nfs41_exchange_id_args *args, | |
1627 | struct compound_hdr *hdr) | |
1628 | { | |
1629 | __be32 *p; | |
1630 | ||
13c65ce9 | 1631 | p = reserve_space(xdr, 4 + sizeof(args->verifier->data)); |
e75bc1c8 | 1632 | *p++ = cpu_to_be32(OP_EXCHANGE_ID); |
34558513 | 1633 | xdr_encode_opaque_fixed(p, args->verifier->data, sizeof(args->verifier->data)); |
99fe60d0 BH |
1634 | |
1635 | encode_string(xdr, args->id_len, args->id); | |
1636 | ||
13c65ce9 | 1637 | p = reserve_space(xdr, 12); |
e75bc1c8 BH |
1638 | *p++ = cpu_to_be32(args->flags); |
1639 | *p++ = cpu_to_be32(0); /* zero length state_protect4_a */ | |
34558513 | 1640 | *p = cpu_to_be32(0); /* zero length implementation id array */ |
99fe60d0 BH |
1641 | hdr->nops++; |
1642 | hdr->replen += decode_exchange_id_maxsz; | |
1643 | } | |
fc931582 AA |
1644 | |
1645 | static void encode_create_session(struct xdr_stream *xdr, | |
1646 | struct nfs41_create_session_args *args, | |
1647 | struct compound_hdr *hdr) | |
1648 | { | |
1649 | __be32 *p; | |
1650 | char machine_name[NFS4_MAX_MACHINE_NAME_LEN]; | |
1651 | uint32_t len; | |
1652 | struct nfs_client *clp = args->client; | |
8e0d46e1 MS |
1653 | u32 max_resp_sz_cached; |
1654 | ||
1655 | /* | |
1656 | * Assumes OPEN is the biggest non-idempotent compound. | |
1657 | * 2 is the verifier. | |
1658 | */ | |
1659 | max_resp_sz_cached = (NFS4_dec_open_sz + RPC_REPHDRSIZE + | |
1660 | RPC_MAX_AUTH_SIZE + 2) * XDR_UNIT; | |
fc931582 | 1661 | |
42edd698 BH |
1662 | len = scnprintf(machine_name, sizeof(machine_name), "%s", |
1663 | clp->cl_ipaddr); | |
fc931582 | 1664 | |
13c65ce9 | 1665 | p = reserve_space(xdr, 20 + 2*28 + 20 + len + 12); |
42edd698 | 1666 | *p++ = cpu_to_be32(OP_CREATE_SESSION); |
114f64b5 | 1667 | p = xdr_encode_hyper(p, clp->cl_clientid); |
e75bc1c8 BH |
1668 | *p++ = cpu_to_be32(clp->cl_seqid); /*Sequence id */ |
1669 | *p++ = cpu_to_be32(args->flags); /*flags */ | |
fc931582 | 1670 | |
fc931582 | 1671 | /* Fore Channel */ |
e75bc1c8 BH |
1672 | *p++ = cpu_to_be32(args->fc_attrs.headerpadsz); /* header padding size */ |
1673 | *p++ = cpu_to_be32(args->fc_attrs.max_rqst_sz); /* max req size */ | |
1674 | *p++ = cpu_to_be32(args->fc_attrs.max_resp_sz); /* max resp size */ | |
8e0d46e1 | 1675 | *p++ = cpu_to_be32(max_resp_sz_cached); /* Max resp sz cached */ |
e75bc1c8 BH |
1676 | *p++ = cpu_to_be32(args->fc_attrs.max_ops); /* max operations */ |
1677 | *p++ = cpu_to_be32(args->fc_attrs.max_reqs); /* max requests */ | |
1678 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ | |
fc931582 AA |
1679 | |
1680 | /* Back Channel */ | |
e75bc1c8 BH |
1681 | *p++ = cpu_to_be32(args->fc_attrs.headerpadsz); /* header padding size */ |
1682 | *p++ = cpu_to_be32(args->bc_attrs.max_rqst_sz); /* max req size */ | |
1683 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz); /* max resp size */ | |
1684 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz_cached); /* Max resp sz cached */ | |
1685 | *p++ = cpu_to_be32(args->bc_attrs.max_ops); /* max operations */ | |
1686 | *p++ = cpu_to_be32(args->bc_attrs.max_reqs); /* max requests */ | |
1687 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ | |
fc931582 | 1688 | |
e75bc1c8 | 1689 | *p++ = cpu_to_be32(args->cb_program); /* cb_program */ |
e75bc1c8 | 1690 | *p++ = cpu_to_be32(1); |
e75bc1c8 | 1691 | *p++ = cpu_to_be32(RPC_AUTH_UNIX); /* auth_sys */ |
fc931582 AA |
1692 | |
1693 | /* authsys_parms rfc1831 */ | |
e75bc1c8 | 1694 | *p++ = cpu_to_be32((u32)clp->cl_boot_time.tv_nsec); /* stamp */ |
811652bd | 1695 | p = xdr_encode_opaque(p, machine_name, len); |
e75bc1c8 BH |
1696 | *p++ = cpu_to_be32(0); /* UID */ |
1697 | *p++ = cpu_to_be32(0); /* GID */ | |
34558513 | 1698 | *p = cpu_to_be32(0); /* No more gids */ |
fc931582 AA |
1699 | hdr->nops++; |
1700 | hdr->replen += decode_create_session_maxsz; | |
1701 | } | |
0f3e66c6 AA |
1702 | |
1703 | static void encode_destroy_session(struct xdr_stream *xdr, | |
1704 | struct nfs4_session *session, | |
1705 | struct compound_hdr *hdr) | |
1706 | { | |
1707 | __be32 *p; | |
13c65ce9 | 1708 | p = reserve_space(xdr, 4 + NFS4_MAX_SESSIONID_LEN); |
e75bc1c8 | 1709 | *p++ = cpu_to_be32(OP_DESTROY_SESSION); |
34558513 | 1710 | xdr_encode_opaque_fixed(p, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); |
0f3e66c6 AA |
1711 | hdr->nops++; |
1712 | hdr->replen += decode_destroy_session_maxsz; | |
1713 | } | |
18019753 RL |
1714 | |
1715 | static void encode_reclaim_complete(struct xdr_stream *xdr, | |
1716 | struct nfs41_reclaim_complete_args *args, | |
1717 | struct compound_hdr *hdr) | |
1718 | { | |
1719 | __be32 *p; | |
1720 | ||
1721 | p = reserve_space(xdr, 8); | |
1722 | *p++ = cpu_to_be32(OP_RECLAIM_COMPLETE); | |
1723 | *p++ = cpu_to_be32(args->one_fs); | |
1724 | hdr->nops++; | |
1725 | hdr->replen += decode_reclaim_complete_maxsz; | |
1726 | } | |
99fe60d0 BH |
1727 | #endif /* CONFIG_NFS_V4_1 */ |
1728 | ||
9b7b9fcc AA |
1729 | static void encode_sequence(struct xdr_stream *xdr, |
1730 | const struct nfs4_sequence_args *args, | |
1731 | struct compound_hdr *hdr) | |
1732 | { | |
1733 | #if defined(CONFIG_NFS_V4_1) | |
1734 | struct nfs4_session *session = args->sa_session; | |
fc01cea9 AA |
1735 | struct nfs4_slot_table *tp; |
1736 | struct nfs4_slot *slot; | |
1737 | __be32 *p; | |
9b7b9fcc AA |
1738 | |
1739 | if (!session) | |
1740 | return; | |
1741 | ||
fc01cea9 AA |
1742 | tp = &session->fc_slot_table; |
1743 | ||
1744 | WARN_ON(args->sa_slotid == NFS4_MAX_SLOT_TABLE); | |
1745 | slot = tp->slots + args->sa_slotid; | |
1746 | ||
13c65ce9 | 1747 | p = reserve_space(xdr, 4 + NFS4_MAX_SESSIONID_LEN + 16); |
e75bc1c8 | 1748 | *p++ = cpu_to_be32(OP_SEQUENCE); |
fc01cea9 AA |
1749 | |
1750 | /* | |
1751 | * Sessionid + seqid + slotid + max slotid + cache_this | |
1752 | */ | |
1753 | dprintk("%s: sessionid=%u:%u:%u:%u seqid=%d slotid=%d " | |
1754 | "max_slotid=%d cache_this=%d\n", | |
1755 | __func__, | |
1756 | ((u32 *)session->sess_id.data)[0], | |
1757 | ((u32 *)session->sess_id.data)[1], | |
1758 | ((u32 *)session->sess_id.data)[2], | |
1759 | ((u32 *)session->sess_id.data)[3], | |
1760 | slot->seq_nr, args->sa_slotid, | |
1761 | tp->highest_used_slotid, args->sa_cache_this); | |
93f0cf25 | 1762 | p = xdr_encode_opaque_fixed(p, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); |
e75bc1c8 BH |
1763 | *p++ = cpu_to_be32(slot->seq_nr); |
1764 | *p++ = cpu_to_be32(args->sa_slotid); | |
1765 | *p++ = cpu_to_be32(tp->highest_used_slotid); | |
34558513 | 1766 | *p = cpu_to_be32(args->sa_cache_this); |
9b7b9fcc AA |
1767 | hdr->nops++; |
1768 | hdr->replen += decode_sequence_maxsz; | |
1769 | #endif /* CONFIG_NFS_V4_1 */ | |
1770 | } | |
1771 | ||
b1f69b75 AA |
1772 | #ifdef CONFIG_NFS_V4_1 |
1773 | static void | |
1774 | encode_getdeviceinfo(struct xdr_stream *xdr, | |
1775 | const struct nfs4_getdeviceinfo_args *args, | |
1776 | struct compound_hdr *hdr) | |
1777 | { | |
1778 | __be32 *p; | |
1779 | ||
1780 | p = reserve_space(xdr, 16 + NFS4_DEVICEID4_SIZE); | |
1781 | *p++ = cpu_to_be32(OP_GETDEVICEINFO); | |
1782 | p = xdr_encode_opaque_fixed(p, args->pdev->dev_id.data, | |
1783 | NFS4_DEVICEID4_SIZE); | |
1784 | *p++ = cpu_to_be32(args->pdev->layout_type); | |
1785 | *p++ = cpu_to_be32(args->pdev->pglen); /* gdia_maxcount */ | |
1786 | *p++ = cpu_to_be32(0); /* bitmap length 0 */ | |
1787 | hdr->nops++; | |
1788 | hdr->replen += decode_getdeviceinfo_maxsz; | |
1789 | } | |
1790 | ||
1791 | static void | |
1792 | encode_layoutget(struct xdr_stream *xdr, | |
1793 | const struct nfs4_layoutget_args *args, | |
1794 | struct compound_hdr *hdr) | |
1795 | { | |
b1f69b75 AA |
1796 | __be32 *p; |
1797 | ||
1798 | p = reserve_space(xdr, 44 + NFS4_STATEID_SIZE); | |
1799 | *p++ = cpu_to_be32(OP_LAYOUTGET); | |
1800 | *p++ = cpu_to_be32(0); /* Signal layout available */ | |
1801 | *p++ = cpu_to_be32(args->type); | |
1802 | *p++ = cpu_to_be32(args->range.iomode); | |
1803 | p = xdr_encode_hyper(p, args->range.offset); | |
1804 | p = xdr_encode_hyper(p, args->range.length); | |
1805 | p = xdr_encode_hyper(p, args->minlength); | |
cf7d63f1 | 1806 | p = xdr_encode_opaque_fixed(p, &args->stateid.data, NFS4_STATEID_SIZE); |
b1f69b75 AA |
1807 | *p = cpu_to_be32(args->maxcount); |
1808 | ||
1809 | dprintk("%s: 1st type:0x%x iomode:%d off:%lu len:%lu mc:%d\n", | |
1810 | __func__, | |
1811 | args->type, | |
1812 | args->range.iomode, | |
1813 | (unsigned long)args->range.offset, | |
1814 | (unsigned long)args->range.length, | |
1815 | args->maxcount); | |
1816 | hdr->nops++; | |
1817 | hdr->replen += decode_layoutget_maxsz; | |
1818 | } | |
1819 | #endif /* CONFIG_NFS_V4_1 */ | |
1820 | ||
1da177e4 LT |
1821 | /* |
1822 | * END OF "GENERIC" ENCODE ROUTINES. | |
1823 | */ | |
1824 | ||
66cc0429 BH |
1825 | static u32 nfs4_xdr_minorversion(const struct nfs4_sequence_args *args) |
1826 | { | |
1827 | #if defined(CONFIG_NFS_V4_1) | |
1828 | if (args->sa_session) | |
a4432345 | 1829 | return args->sa_session->clp->cl_mvops->minor_version; |
66cc0429 BH |
1830 | #endif /* CONFIG_NFS_V4_1 */ |
1831 | return 0; | |
1832 | } | |
1833 | ||
1da177e4 LT |
1834 | /* |
1835 | * Encode an ACCESS request | |
1836 | */ | |
9f06c719 CL |
1837 | static void nfs4_xdr_enc_access(struct rpc_rqst *req, struct xdr_stream *xdr, |
1838 | const struct nfs4_accessargs *args) | |
1da177e4 | 1839 | { |
1da177e4 | 1840 | struct compound_hdr hdr = { |
66cc0429 | 1841 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1842 | }; |
1da177e4 | 1843 | |
9f06c719 CL |
1844 | encode_compound_hdr(xdr, req, &hdr); |
1845 | encode_sequence(xdr, &args->seq_args, &hdr); | |
1846 | encode_putfh(xdr, args->fh, &hdr); | |
1847 | encode_access(xdr, args->access, &hdr); | |
1848 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 1849 | encode_nops(&hdr); |
1da177e4 LT |
1850 | } |
1851 | ||
1852 | /* | |
1853 | * Encode LOOKUP request | |
1854 | */ | |
9f06c719 CL |
1855 | static void nfs4_xdr_enc_lookup(struct rpc_rqst *req, struct xdr_stream *xdr, |
1856 | const struct nfs4_lookup_arg *args) | |
1da177e4 | 1857 | { |
1da177e4 | 1858 | struct compound_hdr hdr = { |
66cc0429 | 1859 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1860 | }; |
1da177e4 | 1861 | |
9f06c719 CL |
1862 | encode_compound_hdr(xdr, req, &hdr); |
1863 | encode_sequence(xdr, &args->seq_args, &hdr); | |
1864 | encode_putfh(xdr, args->dir_fh, &hdr); | |
1865 | encode_lookup(xdr, args->name, &hdr); | |
1866 | encode_getfh(xdr, &hdr); | |
1867 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 1868 | encode_nops(&hdr); |
1da177e4 LT |
1869 | } |
1870 | ||
1871 | /* | |
1872 | * Encode LOOKUP_ROOT request | |
1873 | */ | |
9f06c719 CL |
1874 | static void nfs4_xdr_enc_lookup_root(struct rpc_rqst *req, |
1875 | struct xdr_stream *xdr, | |
1876 | const struct nfs4_lookup_root_arg *args) | |
1da177e4 | 1877 | { |
1da177e4 | 1878 | struct compound_hdr hdr = { |
66cc0429 | 1879 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1880 | }; |
1da177e4 | 1881 | |
9f06c719 CL |
1882 | encode_compound_hdr(xdr, req, &hdr); |
1883 | encode_sequence(xdr, &args->seq_args, &hdr); | |
1884 | encode_putrootfh(xdr, &hdr); | |
1885 | encode_getfh(xdr, &hdr); | |
1886 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 1887 | encode_nops(&hdr); |
1da177e4 LT |
1888 | } |
1889 | ||
1890 | /* | |
1891 | * Encode REMOVE request | |
1892 | */ | |
9f06c719 CL |
1893 | static void nfs4_xdr_enc_remove(struct rpc_rqst *req, struct xdr_stream *xdr, |
1894 | const struct nfs_removeargs *args) | |
1da177e4 | 1895 | { |
1da177e4 | 1896 | struct compound_hdr hdr = { |
66cc0429 | 1897 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1898 | }; |
1da177e4 | 1899 | |
9f06c719 CL |
1900 | encode_compound_hdr(xdr, req, &hdr); |
1901 | encode_sequence(xdr, &args->seq_args, &hdr); | |
1902 | encode_putfh(xdr, args->fh, &hdr); | |
1903 | encode_remove(xdr, &args->name, &hdr); | |
1904 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 1905 | encode_nops(&hdr); |
1da177e4 LT |
1906 | } |
1907 | ||
1908 | /* | |
1909 | * Encode RENAME request | |
1910 | */ | |
9f06c719 CL |
1911 | static void nfs4_xdr_enc_rename(struct rpc_rqst *req, struct xdr_stream *xdr, |
1912 | const struct nfs_renameargs *args) | |
1da177e4 | 1913 | { |
1da177e4 | 1914 | struct compound_hdr hdr = { |
66cc0429 | 1915 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1916 | }; |
1da177e4 | 1917 | |
9f06c719 CL |
1918 | encode_compound_hdr(xdr, req, &hdr); |
1919 | encode_sequence(xdr, &args->seq_args, &hdr); | |
1920 | encode_putfh(xdr, args->old_dir, &hdr); | |
1921 | encode_savefh(xdr, &hdr); | |
1922 | encode_putfh(xdr, args->new_dir, &hdr); | |
1923 | encode_rename(xdr, args->old_name, args->new_name, &hdr); | |
1924 | encode_getfattr(xdr, args->bitmask, &hdr); | |
1925 | encode_restorefh(xdr, &hdr); | |
1926 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 1927 | encode_nops(&hdr); |
1da177e4 LT |
1928 | } |
1929 | ||
1930 | /* | |
1931 | * Encode LINK request | |
1932 | */ | |
9f06c719 CL |
1933 | static void nfs4_xdr_enc_link(struct rpc_rqst *req, struct xdr_stream *xdr, |
1934 | const struct nfs4_link_arg *args) | |
1da177e4 | 1935 | { |
1da177e4 | 1936 | struct compound_hdr hdr = { |
66cc0429 | 1937 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1938 | }; |
1da177e4 | 1939 | |
9f06c719 CL |
1940 | encode_compound_hdr(xdr, req, &hdr); |
1941 | encode_sequence(xdr, &args->seq_args, &hdr); | |
1942 | encode_putfh(xdr, args->fh, &hdr); | |
1943 | encode_savefh(xdr, &hdr); | |
1944 | encode_putfh(xdr, args->dir_fh, &hdr); | |
1945 | encode_link(xdr, args->name, &hdr); | |
1946 | encode_getfattr(xdr, args->bitmask, &hdr); | |
1947 | encode_restorefh(xdr, &hdr); | |
1948 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 1949 | encode_nops(&hdr); |
1da177e4 LT |
1950 | } |
1951 | ||
1952 | /* | |
1953 | * Encode CREATE request | |
1954 | */ | |
9f06c719 CL |
1955 | static void nfs4_xdr_enc_create(struct rpc_rqst *req, struct xdr_stream *xdr, |
1956 | const struct nfs4_create_arg *args) | |
1da177e4 | 1957 | { |
1da177e4 | 1958 | struct compound_hdr hdr = { |
66cc0429 | 1959 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1960 | }; |
1da177e4 | 1961 | |
9f06c719 CL |
1962 | encode_compound_hdr(xdr, req, &hdr); |
1963 | encode_sequence(xdr, &args->seq_args, &hdr); | |
1964 | encode_putfh(xdr, args->dir_fh, &hdr); | |
1965 | encode_savefh(xdr, &hdr); | |
1966 | encode_create(xdr, args, &hdr); | |
1967 | encode_getfh(xdr, &hdr); | |
1968 | encode_getfattr(xdr, args->bitmask, &hdr); | |
1969 | encode_restorefh(xdr, &hdr); | |
1970 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 1971 | encode_nops(&hdr); |
1da177e4 LT |
1972 | } |
1973 | ||
1974 | /* | |
1975 | * Encode SYMLINK request | |
1976 | */ | |
9f06c719 CL |
1977 | static void nfs4_xdr_enc_symlink(struct rpc_rqst *req, struct xdr_stream *xdr, |
1978 | const struct nfs4_create_arg *args) | |
1da177e4 | 1979 | { |
9f06c719 | 1980 | nfs4_xdr_enc_create(req, xdr, args); |
1da177e4 LT |
1981 | } |
1982 | ||
1983 | /* | |
1984 | * Encode GETATTR request | |
1985 | */ | |
9f06c719 CL |
1986 | static void nfs4_xdr_enc_getattr(struct rpc_rqst *req, struct xdr_stream *xdr, |
1987 | const struct nfs4_getattr_arg *args) | |
1da177e4 | 1988 | { |
1da177e4 | 1989 | struct compound_hdr hdr = { |
66cc0429 | 1990 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1991 | }; |
1da177e4 | 1992 | |
9f06c719 CL |
1993 | encode_compound_hdr(xdr, req, &hdr); |
1994 | encode_sequence(xdr, &args->seq_args, &hdr); | |
1995 | encode_putfh(xdr, args->fh, &hdr); | |
1996 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 1997 | encode_nops(&hdr); |
1da177e4 LT |
1998 | } |
1999 | ||
2000 | /* | |
2001 | * Encode a CLOSE request | |
2002 | */ | |
9f06c719 CL |
2003 | static void nfs4_xdr_enc_close(struct rpc_rqst *req, struct xdr_stream *xdr, |
2004 | struct nfs_closeargs *args) | |
1da177e4 | 2005 | { |
05d564fe | 2006 | struct compound_hdr hdr = { |
66cc0429 | 2007 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 2008 | }; |
05d564fe | 2009 | |
9f06c719 CL |
2010 | encode_compound_hdr(xdr, req, &hdr); |
2011 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2012 | encode_putfh(xdr, args->fh, &hdr); | |
2013 | encode_close(xdr, args, &hdr); | |
2014 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2015 | encode_nops(&hdr); |
1da177e4 LT |
2016 | } |
2017 | ||
2018 | /* | |
2019 | * Encode an OPEN request | |
2020 | */ | |
9f06c719 CL |
2021 | static void nfs4_xdr_enc_open(struct rpc_rqst *req, struct xdr_stream *xdr, |
2022 | struct nfs_openargs *args) | |
1da177e4 | 2023 | { |
1da177e4 | 2024 | struct compound_hdr hdr = { |
66cc0429 | 2025 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2026 | }; |
1da177e4 | 2027 | |
9f06c719 CL |
2028 | encode_compound_hdr(xdr, req, &hdr); |
2029 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2030 | encode_putfh(xdr, args->fh, &hdr); | |
2031 | encode_savefh(xdr, &hdr); | |
2032 | encode_open(xdr, args, &hdr); | |
2033 | encode_getfh(xdr, &hdr); | |
2034 | encode_getfattr(xdr, args->bitmask, &hdr); | |
2035 | encode_restorefh(xdr, &hdr); | |
2036 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2037 | encode_nops(&hdr); |
1da177e4 LT |
2038 | } |
2039 | ||
2040 | /* | |
2041 | * Encode an OPEN_CONFIRM request | |
2042 | */ | |
9f06c719 CL |
2043 | static void nfs4_xdr_enc_open_confirm(struct rpc_rqst *req, |
2044 | struct xdr_stream *xdr, | |
2045 | struct nfs_open_confirmargs *args) | |
1da177e4 | 2046 | { |
1da177e4 | 2047 | struct compound_hdr hdr = { |
d017931c | 2048 | .nops = 0, |
1da177e4 | 2049 | }; |
1da177e4 | 2050 | |
9f06c719 CL |
2051 | encode_compound_hdr(xdr, req, &hdr); |
2052 | encode_putfh(xdr, args->fh, &hdr); | |
2053 | encode_open_confirm(xdr, args, &hdr); | |
d017931c | 2054 | encode_nops(&hdr); |
1da177e4 LT |
2055 | } |
2056 | ||
2057 | /* | |
2058 | * Encode an OPEN request with no attributes. | |
2059 | */ | |
9f06c719 CL |
2060 | static void nfs4_xdr_enc_open_noattr(struct rpc_rqst *req, |
2061 | struct xdr_stream *xdr, | |
2062 | struct nfs_openargs *args) | |
1da177e4 | 2063 | { |
1da177e4 | 2064 | struct compound_hdr hdr = { |
66cc0429 | 2065 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2066 | }; |
1da177e4 | 2067 | |
9f06c719 CL |
2068 | encode_compound_hdr(xdr, req, &hdr); |
2069 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2070 | encode_putfh(xdr, args->fh, &hdr); | |
2071 | encode_open(xdr, args, &hdr); | |
2072 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2073 | encode_nops(&hdr); |
1da177e4 LT |
2074 | } |
2075 | ||
2076 | /* | |
2077 | * Encode an OPEN_DOWNGRADE request | |
2078 | */ | |
9f06c719 CL |
2079 | static void nfs4_xdr_enc_open_downgrade(struct rpc_rqst *req, |
2080 | struct xdr_stream *xdr, | |
2081 | struct nfs_closeargs *args) | |
1da177e4 | 2082 | { |
1da177e4 | 2083 | struct compound_hdr hdr = { |
66cc0429 | 2084 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2085 | }; |
1da177e4 | 2086 | |
9f06c719 CL |
2087 | encode_compound_hdr(xdr, req, &hdr); |
2088 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2089 | encode_putfh(xdr, args->fh, &hdr); | |
2090 | encode_open_downgrade(xdr, args, &hdr); | |
2091 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2092 | encode_nops(&hdr); |
1da177e4 LT |
2093 | } |
2094 | ||
2095 | /* | |
2096 | * Encode a LOCK request | |
2097 | */ | |
9f06c719 CL |
2098 | static void nfs4_xdr_enc_lock(struct rpc_rqst *req, struct xdr_stream *xdr, |
2099 | struct nfs_lock_args *args) | |
1da177e4 | 2100 | { |
1da177e4 | 2101 | struct compound_hdr hdr = { |
66cc0429 | 2102 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2103 | }; |
1da177e4 | 2104 | |
9f06c719 CL |
2105 | encode_compound_hdr(xdr, req, &hdr); |
2106 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2107 | encode_putfh(xdr, args->fh, &hdr); | |
2108 | encode_lock(xdr, args, &hdr); | |
d017931c | 2109 | encode_nops(&hdr); |
1da177e4 LT |
2110 | } |
2111 | ||
2112 | /* | |
2113 | * Encode a LOCKT request | |
2114 | */ | |
9f06c719 CL |
2115 | static void nfs4_xdr_enc_lockt(struct rpc_rqst *req, struct xdr_stream *xdr, |
2116 | struct nfs_lockt_args *args) | |
1da177e4 | 2117 | { |
1da177e4 | 2118 | struct compound_hdr hdr = { |
66cc0429 | 2119 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2120 | }; |
1da177e4 | 2121 | |
9f06c719 CL |
2122 | encode_compound_hdr(xdr, req, &hdr); |
2123 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2124 | encode_putfh(xdr, args->fh, &hdr); | |
2125 | encode_lockt(xdr, args, &hdr); | |
d017931c | 2126 | encode_nops(&hdr); |
1da177e4 LT |
2127 | } |
2128 | ||
2129 | /* | |
2130 | * Encode a LOCKU request | |
2131 | */ | |
9f06c719 CL |
2132 | static void nfs4_xdr_enc_locku(struct rpc_rqst *req, struct xdr_stream *xdr, |
2133 | struct nfs_locku_args *args) | |
1da177e4 | 2134 | { |
1da177e4 | 2135 | struct compound_hdr hdr = { |
66cc0429 | 2136 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2137 | }; |
1da177e4 | 2138 | |
9f06c719 CL |
2139 | encode_compound_hdr(xdr, req, &hdr); |
2140 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2141 | encode_putfh(xdr, args->fh, &hdr); | |
2142 | encode_locku(xdr, args, &hdr); | |
d017931c | 2143 | encode_nops(&hdr); |
1da177e4 LT |
2144 | } |
2145 | ||
9f06c719 CL |
2146 | static void nfs4_xdr_enc_release_lockowner(struct rpc_rqst *req, |
2147 | struct xdr_stream *xdr, | |
2148 | struct nfs_release_lockowner_args *args) | |
d3c7b7cc | 2149 | { |
d3c7b7cc TM |
2150 | struct compound_hdr hdr = { |
2151 | .minorversion = 0, | |
2152 | }; | |
2153 | ||
9f06c719 CL |
2154 | encode_compound_hdr(xdr, req, &hdr); |
2155 | encode_release_lockowner(xdr, &args->lock_owner, &hdr); | |
d3c7b7cc | 2156 | encode_nops(&hdr); |
d3c7b7cc TM |
2157 | } |
2158 | ||
1da177e4 LT |
2159 | /* |
2160 | * Encode a READLINK request | |
2161 | */ | |
9f06c719 CL |
2162 | static void nfs4_xdr_enc_readlink(struct rpc_rqst *req, struct xdr_stream *xdr, |
2163 | const struct nfs4_readlink *args) | |
1da177e4 | 2164 | { |
1da177e4 | 2165 | struct compound_hdr hdr = { |
66cc0429 | 2166 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2167 | }; |
1da177e4 | 2168 | |
9f06c719 CL |
2169 | encode_compound_hdr(xdr, req, &hdr); |
2170 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2171 | encode_putfh(xdr, args->fh, &hdr); | |
2172 | encode_readlink(xdr, args, req, &hdr); | |
e3a535e1 | 2173 | |
28f56694 | 2174 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, |
e3a535e1 | 2175 | args->pgbase, args->pglen); |
d017931c | 2176 | encode_nops(&hdr); |
1da177e4 LT |
2177 | } |
2178 | ||
2179 | /* | |
2180 | * Encode a READDIR request | |
2181 | */ | |
9f06c719 CL |
2182 | static void nfs4_xdr_enc_readdir(struct rpc_rqst *req, struct xdr_stream *xdr, |
2183 | const struct nfs4_readdir_arg *args) | |
1da177e4 | 2184 | { |
1da177e4 | 2185 | struct compound_hdr hdr = { |
66cc0429 | 2186 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2187 | }; |
1da177e4 | 2188 | |
9f06c719 CL |
2189 | encode_compound_hdr(xdr, req, &hdr); |
2190 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2191 | encode_putfh(xdr, args->fh, &hdr); | |
2192 | encode_readdir(xdr, args, req, &hdr); | |
d6ac02df | 2193 | |
28f56694 | 2194 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, |
d6ac02df TM |
2195 | args->pgbase, args->count); |
2196 | dprintk("%s: inlined page args = (%u, %p, %u, %u)\n", | |
28f56694 | 2197 | __func__, hdr.replen << 2, args->pages, |
d6ac02df | 2198 | args->pgbase, args->count); |
d017931c | 2199 | encode_nops(&hdr); |
1da177e4 LT |
2200 | } |
2201 | ||
2202 | /* | |
2203 | * Encode a READ request | |
2204 | */ | |
9f06c719 CL |
2205 | static void nfs4_xdr_enc_read(struct rpc_rqst *req, struct xdr_stream *xdr, |
2206 | struct nfs_readargs *args) | |
1da177e4 | 2207 | { |
1da177e4 | 2208 | struct compound_hdr hdr = { |
66cc0429 | 2209 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2210 | }; |
1da177e4 | 2211 | |
9f06c719 CL |
2212 | encode_compound_hdr(xdr, req, &hdr); |
2213 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2214 | encode_putfh(xdr, args->fh, &hdr); | |
2215 | encode_read(xdr, args, &hdr); | |
1da177e4 | 2216 | |
28f56694 | 2217 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, |
1da177e4 | 2218 | args->pages, args->pgbase, args->count); |
4f22ccc3 | 2219 | req->rq_rcv_buf.flags |= XDRBUF_READ; |
d017931c | 2220 | encode_nops(&hdr); |
1da177e4 LT |
2221 | } |
2222 | ||
2223 | /* | |
2224 | * Encode an SETATTR request | |
2225 | */ | |
9f06c719 CL |
2226 | static void nfs4_xdr_enc_setattr(struct rpc_rqst *req, struct xdr_stream *xdr, |
2227 | struct nfs_setattrargs *args) | |
1da177e4 | 2228 | { |
05d564fe | 2229 | struct compound_hdr hdr = { |
66cc0429 | 2230 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 2231 | }; |
05d564fe | 2232 | |
9f06c719 CL |
2233 | encode_compound_hdr(xdr, req, &hdr); |
2234 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2235 | encode_putfh(xdr, args->fh, &hdr); | |
2236 | encode_setattr(xdr, args, args->server, &hdr); | |
2237 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2238 | encode_nops(&hdr); |
1da177e4 LT |
2239 | } |
2240 | ||
029d105e BF |
2241 | /* |
2242 | * Encode a GETACL request | |
2243 | */ | |
9f06c719 CL |
2244 | static void nfs4_xdr_enc_getacl(struct rpc_rqst *req, struct xdr_stream *xdr, |
2245 | struct nfs_getaclargs *args) | |
029d105e | 2246 | { |
029d105e | 2247 | struct compound_hdr hdr = { |
66cc0429 | 2248 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
029d105e | 2249 | }; |
28f56694 | 2250 | uint32_t replen; |
029d105e | 2251 | |
9f06c719 CL |
2252 | encode_compound_hdr(xdr, req, &hdr); |
2253 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2254 | encode_putfh(xdr, args->fh, &hdr); | |
d327cf74 | 2255 | replen = hdr.replen + op_decode_hdr_maxsz + nfs4_fattr_bitmap_maxsz + 1; |
9f06c719 | 2256 | encode_getattr_two(xdr, FATTR4_WORD0_ACL, 0, &hdr); |
cf8cdbe5 | 2257 | |
28f56694 | 2258 | xdr_inline_pages(&req->rq_rcv_buf, replen << 2, |
029d105e | 2259 | args->acl_pages, args->acl_pgbase, args->acl_len); |
d017931c | 2260 | encode_nops(&hdr); |
029d105e BF |
2261 | } |
2262 | ||
1da177e4 LT |
2263 | /* |
2264 | * Encode a WRITE request | |
2265 | */ | |
9f06c719 CL |
2266 | static void nfs4_xdr_enc_write(struct rpc_rqst *req, struct xdr_stream *xdr, |
2267 | struct nfs_writeargs *args) | |
1da177e4 | 2268 | { |
1da177e4 | 2269 | struct compound_hdr hdr = { |
66cc0429 | 2270 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2271 | }; |
1da177e4 | 2272 | |
9f06c719 CL |
2273 | encode_compound_hdr(xdr, req, &hdr); |
2274 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2275 | encode_putfh(xdr, args->fh, &hdr); | |
2276 | encode_write(xdr, args, &hdr); | |
4f22ccc3 | 2277 | req->rq_snd_buf.flags |= XDRBUF_WRITE; |
7ffd1064 FI |
2278 | if (args->bitmask) |
2279 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2280 | encode_nops(&hdr); |
1da177e4 LT |
2281 | } |
2282 | ||
2283 | /* | |
2284 | * a COMMIT request | |
2285 | */ | |
9f06c719 CL |
2286 | static void nfs4_xdr_enc_commit(struct rpc_rqst *req, struct xdr_stream *xdr, |
2287 | struct nfs_writeargs *args) | |
1da177e4 | 2288 | { |
1da177e4 | 2289 | struct compound_hdr hdr = { |
66cc0429 | 2290 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2291 | }; |
1da177e4 | 2292 | |
9f06c719 CL |
2293 | encode_compound_hdr(xdr, req, &hdr); |
2294 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2295 | encode_putfh(xdr, args->fh, &hdr); | |
2296 | encode_commit(xdr, args, &hdr); | |
2297 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2298 | encode_nops(&hdr); |
1da177e4 LT |
2299 | } |
2300 | ||
2301 | /* | |
2302 | * FSINFO request | |
2303 | */ | |
9f06c719 CL |
2304 | static void nfs4_xdr_enc_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, |
2305 | struct nfs4_fsinfo_arg *args) | |
1da177e4 | 2306 | { |
1da177e4 | 2307 | struct compound_hdr hdr = { |
66cc0429 | 2308 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2309 | }; |
1da177e4 | 2310 | |
9f06c719 CL |
2311 | encode_compound_hdr(xdr, req, &hdr); |
2312 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2313 | encode_putfh(xdr, args->fh, &hdr); | |
2314 | encode_fsinfo(xdr, args->bitmask, &hdr); | |
d017931c | 2315 | encode_nops(&hdr); |
1da177e4 LT |
2316 | } |
2317 | ||
2318 | /* | |
2319 | * a PATHCONF request | |
2320 | */ | |
9f06c719 CL |
2321 | static void nfs4_xdr_enc_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, |
2322 | const struct nfs4_pathconf_arg *args) | |
1da177e4 | 2323 | { |
1da177e4 | 2324 | struct compound_hdr hdr = { |
66cc0429 | 2325 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2326 | }; |
1da177e4 | 2327 | |
9f06c719 CL |
2328 | encode_compound_hdr(xdr, req, &hdr); |
2329 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2330 | encode_putfh(xdr, args->fh, &hdr); | |
2331 | encode_getattr_one(xdr, args->bitmask[0] & nfs4_pathconf_bitmap[0], | |
cf8cdbe5 | 2332 | &hdr); |
d017931c | 2333 | encode_nops(&hdr); |
1da177e4 LT |
2334 | } |
2335 | ||
2336 | /* | |
2337 | * a STATFS request | |
2338 | */ | |
9f06c719 CL |
2339 | static void nfs4_xdr_enc_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, |
2340 | const struct nfs4_statfs_arg *args) | |
1da177e4 | 2341 | { |
1da177e4 | 2342 | struct compound_hdr hdr = { |
66cc0429 | 2343 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2344 | }; |
1da177e4 | 2345 | |
9f06c719 CL |
2346 | encode_compound_hdr(xdr, req, &hdr); |
2347 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2348 | encode_putfh(xdr, args->fh, &hdr); | |
2349 | encode_getattr_two(xdr, args->bitmask[0] & nfs4_statfs_bitmap[0], | |
cf8cdbe5 | 2350 | args->bitmask[1] & nfs4_statfs_bitmap[1], &hdr); |
d017931c | 2351 | encode_nops(&hdr); |
1da177e4 LT |
2352 | } |
2353 | ||
2354 | /* | |
2355 | * GETATTR_BITMAP request | |
2356 | */ | |
9f06c719 CL |
2357 | static void nfs4_xdr_enc_server_caps(struct rpc_rqst *req, |
2358 | struct xdr_stream *xdr, | |
2359 | struct nfs4_server_caps_arg *args) | |
1da177e4 | 2360 | { |
1da177e4 | 2361 | struct compound_hdr hdr = { |
66cc0429 | 2362 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2363 | }; |
1da177e4 | 2364 | |
9f06c719 CL |
2365 | encode_compound_hdr(xdr, req, &hdr); |
2366 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2367 | encode_putfh(xdr, args->fhandle, &hdr); | |
2368 | encode_getattr_one(xdr, FATTR4_WORD0_SUPPORTED_ATTRS| | |
cf8cdbe5 AA |
2369 | FATTR4_WORD0_LINK_SUPPORT| |
2370 | FATTR4_WORD0_SYMLINK_SUPPORT| | |
2371 | FATTR4_WORD0_ACLSUPPORT, &hdr); | |
d017931c | 2372 | encode_nops(&hdr); |
1da177e4 LT |
2373 | } |
2374 | ||
2375 | /* | |
2376 | * a RENEW request | |
2377 | */ | |
9f06c719 CL |
2378 | static void nfs4_xdr_enc_renew(struct rpc_rqst *req, struct xdr_stream *xdr, |
2379 | struct nfs_client *clp) | |
1da177e4 | 2380 | { |
1da177e4 | 2381 | struct compound_hdr hdr = { |
d017931c | 2382 | .nops = 0, |
1da177e4 LT |
2383 | }; |
2384 | ||
9f06c719 CL |
2385 | encode_compound_hdr(xdr, req, &hdr); |
2386 | encode_renew(xdr, clp, &hdr); | |
d017931c | 2387 | encode_nops(&hdr); |
1da177e4 LT |
2388 | } |
2389 | ||
2390 | /* | |
2391 | * a SETCLIENTID request | |
2392 | */ | |
9f06c719 CL |
2393 | static void nfs4_xdr_enc_setclientid(struct rpc_rqst *req, |
2394 | struct xdr_stream *xdr, | |
2395 | struct nfs4_setclientid *sc) | |
1da177e4 | 2396 | { |
1da177e4 | 2397 | struct compound_hdr hdr = { |
d017931c | 2398 | .nops = 0, |
1da177e4 LT |
2399 | }; |
2400 | ||
9f06c719 CL |
2401 | encode_compound_hdr(xdr, req, &hdr); |
2402 | encode_setclientid(xdr, sc, &hdr); | |
d017931c | 2403 | encode_nops(&hdr); |
1da177e4 LT |
2404 | } |
2405 | ||
2406 | /* | |
2407 | * a SETCLIENTID_CONFIRM request | |
2408 | */ | |
9f06c719 CL |
2409 | static void nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, |
2410 | struct xdr_stream *xdr, | |
2411 | struct nfs4_setclientid_res *arg) | |
1da177e4 | 2412 | { |
1da177e4 | 2413 | struct compound_hdr hdr = { |
d017931c | 2414 | .nops = 0, |
1da177e4 LT |
2415 | }; |
2416 | const u32 lease_bitmap[2] = { FATTR4_WORD0_LEASE_TIME, 0 }; | |
1da177e4 | 2417 | |
9f06c719 CL |
2418 | encode_compound_hdr(xdr, req, &hdr); |
2419 | encode_setclientid_confirm(xdr, arg, &hdr); | |
2420 | encode_putrootfh(xdr, &hdr); | |
2421 | encode_fsinfo(xdr, lease_bitmap, &hdr); | |
d017931c | 2422 | encode_nops(&hdr); |
1da177e4 LT |
2423 | } |
2424 | ||
2425 | /* | |
2426 | * DELEGRETURN request | |
2427 | */ | |
9f06c719 CL |
2428 | static void nfs4_xdr_enc_delegreturn(struct rpc_rqst *req, |
2429 | struct xdr_stream *xdr, | |
2430 | const struct nfs4_delegreturnargs *args) | |
1da177e4 | 2431 | { |
1da177e4 | 2432 | struct compound_hdr hdr = { |
66cc0429 | 2433 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2434 | }; |
1da177e4 | 2435 | |
9f06c719 CL |
2436 | encode_compound_hdr(xdr, req, &hdr); |
2437 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2438 | encode_putfh(xdr, args->fhandle, &hdr); | |
2439 | encode_delegreturn(xdr, args->stateid, &hdr); | |
2440 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2441 | encode_nops(&hdr); |
1da177e4 LT |
2442 | } |
2443 | ||
683b57b4 TM |
2444 | /* |
2445 | * Encode FS_LOCATIONS request | |
2446 | */ | |
9f06c719 CL |
2447 | static void nfs4_xdr_enc_fs_locations(struct rpc_rqst *req, |
2448 | struct xdr_stream *xdr, | |
2449 | struct nfs4_fs_locations_arg *args) | |
683b57b4 | 2450 | { |
683b57b4 | 2451 | struct compound_hdr hdr = { |
66cc0429 | 2452 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
683b57b4 | 2453 | }; |
28f56694 | 2454 | uint32_t replen; |
683b57b4 | 2455 | |
9f06c719 CL |
2456 | encode_compound_hdr(xdr, req, &hdr); |
2457 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2458 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2459 | encode_lookup(xdr, args->name, &hdr); | |
28f56694 | 2460 | replen = hdr.replen; /* get the attribute into args->page */ |
9f06c719 | 2461 | encode_fs_locations(xdr, args->bitmask, &hdr); |
cf8cdbe5 | 2462 | |
28f56694 | 2463 | xdr_inline_pages(&req->rq_rcv_buf, replen << 2, &args->page, |
683b57b4 | 2464 | 0, PAGE_SIZE); |
d017931c | 2465 | encode_nops(&hdr); |
683b57b4 TM |
2466 | } |
2467 | ||
99fe60d0 BH |
2468 | #if defined(CONFIG_NFS_V4_1) |
2469 | /* | |
2470 | * EXCHANGE_ID request | |
2471 | */ | |
9f06c719 CL |
2472 | static void nfs4_xdr_enc_exchange_id(struct rpc_rqst *req, |
2473 | struct xdr_stream *xdr, | |
2474 | struct nfs41_exchange_id_args *args) | |
99fe60d0 | 2475 | { |
99fe60d0 | 2476 | struct compound_hdr hdr = { |
a4432345 | 2477 | .minorversion = args->client->cl_mvops->minor_version, |
99fe60d0 BH |
2478 | }; |
2479 | ||
9f06c719 CL |
2480 | encode_compound_hdr(xdr, req, &hdr); |
2481 | encode_exchange_id(xdr, args, &hdr); | |
99fe60d0 | 2482 | encode_nops(&hdr); |
99fe60d0 | 2483 | } |
2050f0cc | 2484 | |
fc931582 AA |
2485 | /* |
2486 | * a CREATE_SESSION request | |
2487 | */ | |
9f06c719 CL |
2488 | static void nfs4_xdr_enc_create_session(struct rpc_rqst *req, |
2489 | struct xdr_stream *xdr, | |
2490 | struct nfs41_create_session_args *args) | |
fc931582 | 2491 | { |
fc931582 | 2492 | struct compound_hdr hdr = { |
a4432345 | 2493 | .minorversion = args->client->cl_mvops->minor_version, |
fc931582 AA |
2494 | }; |
2495 | ||
9f06c719 CL |
2496 | encode_compound_hdr(xdr, req, &hdr); |
2497 | encode_create_session(xdr, args, &hdr); | |
fc931582 | 2498 | encode_nops(&hdr); |
fc931582 AA |
2499 | } |
2500 | ||
0f3e66c6 AA |
2501 | /* |
2502 | * a DESTROY_SESSION request | |
2503 | */ | |
9f06c719 CL |
2504 | static void nfs4_xdr_enc_destroy_session(struct rpc_rqst *req, |
2505 | struct xdr_stream *xdr, | |
2506 | struct nfs4_session *session) | |
0f3e66c6 | 2507 | { |
0f3e66c6 | 2508 | struct compound_hdr hdr = { |
a4432345 | 2509 | .minorversion = session->clp->cl_mvops->minor_version, |
0f3e66c6 AA |
2510 | }; |
2511 | ||
9f06c719 CL |
2512 | encode_compound_hdr(xdr, req, &hdr); |
2513 | encode_destroy_session(xdr, session, &hdr); | |
0f3e66c6 | 2514 | encode_nops(&hdr); |
0f3e66c6 AA |
2515 | } |
2516 | ||
fc01cea9 AA |
2517 | /* |
2518 | * a SEQUENCE request | |
2519 | */ | |
9f06c719 CL |
2520 | static void nfs4_xdr_enc_sequence(struct rpc_rqst *req, struct xdr_stream *xdr, |
2521 | struct nfs4_sequence_args *args) | |
fc01cea9 | 2522 | { |
fc01cea9 AA |
2523 | struct compound_hdr hdr = { |
2524 | .minorversion = nfs4_xdr_minorversion(args), | |
2525 | }; | |
2526 | ||
9f06c719 CL |
2527 | encode_compound_hdr(xdr, req, &hdr); |
2528 | encode_sequence(xdr, args, &hdr); | |
fc01cea9 | 2529 | encode_nops(&hdr); |
fc01cea9 AA |
2530 | } |
2531 | ||
2050f0cc AA |
2532 | /* |
2533 | * a GET_LEASE_TIME request | |
2534 | */ | |
9f06c719 CL |
2535 | static void nfs4_xdr_enc_get_lease_time(struct rpc_rqst *req, |
2536 | struct xdr_stream *xdr, | |
2537 | struct nfs4_get_lease_time_args *args) | |
2050f0cc | 2538 | { |
2050f0cc AA |
2539 | struct compound_hdr hdr = { |
2540 | .minorversion = nfs4_xdr_minorversion(&args->la_seq_args), | |
2541 | }; | |
2542 | const u32 lease_bitmap[2] = { FATTR4_WORD0_LEASE_TIME, 0 }; | |
2543 | ||
9f06c719 CL |
2544 | encode_compound_hdr(xdr, req, &hdr); |
2545 | encode_sequence(xdr, &args->la_seq_args, &hdr); | |
2546 | encode_putrootfh(xdr, &hdr); | |
2547 | encode_fsinfo(xdr, lease_bitmap, &hdr); | |
2050f0cc | 2548 | encode_nops(&hdr); |
2050f0cc | 2549 | } |
18019753 RL |
2550 | |
2551 | /* | |
2552 | * a RECLAIM_COMPLETE request | |
2553 | */ | |
9f06c719 CL |
2554 | static void nfs4_xdr_enc_reclaim_complete(struct rpc_rqst *req, |
2555 | struct xdr_stream *xdr, | |
2556 | struct nfs41_reclaim_complete_args *args) | |
18019753 | 2557 | { |
18019753 RL |
2558 | struct compound_hdr hdr = { |
2559 | .minorversion = nfs4_xdr_minorversion(&args->seq_args) | |
2560 | }; | |
2561 | ||
9f06c719 CL |
2562 | encode_compound_hdr(xdr, req, &hdr); |
2563 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2564 | encode_reclaim_complete(xdr, args, &hdr); | |
18019753 | 2565 | encode_nops(&hdr); |
18019753 RL |
2566 | } |
2567 | ||
b1f69b75 AA |
2568 | /* |
2569 | * Encode GETDEVICEINFO request | |
2570 | */ | |
9f06c719 CL |
2571 | static void nfs4_xdr_enc_getdeviceinfo(struct rpc_rqst *req, |
2572 | struct xdr_stream *xdr, | |
2573 | struct nfs4_getdeviceinfo_args *args) | |
b1f69b75 | 2574 | { |
b1f69b75 AA |
2575 | struct compound_hdr hdr = { |
2576 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2577 | }; | |
2578 | ||
9f06c719 CL |
2579 | encode_compound_hdr(xdr, req, &hdr); |
2580 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2581 | encode_getdeviceinfo(xdr, args, &hdr); | |
b1f69b75 AA |
2582 | |
2583 | /* set up reply kvec. Subtract notification bitmap max size (2) | |
2584 | * so that notification bitmap is put in xdr_buf tail */ | |
2585 | xdr_inline_pages(&req->rq_rcv_buf, (hdr.replen - 2) << 2, | |
2586 | args->pdev->pages, args->pdev->pgbase, | |
2587 | args->pdev->pglen); | |
2588 | ||
2589 | encode_nops(&hdr); | |
b1f69b75 AA |
2590 | } |
2591 | ||
2592 | /* | |
2593 | * Encode LAYOUTGET request | |
2594 | */ | |
9f06c719 CL |
2595 | static void nfs4_xdr_enc_layoutget(struct rpc_rqst *req, |
2596 | struct xdr_stream *xdr, | |
2597 | struct nfs4_layoutget_args *args) | |
b1f69b75 | 2598 | { |
b1f69b75 AA |
2599 | struct compound_hdr hdr = { |
2600 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2601 | }; | |
2602 | ||
9f06c719 CL |
2603 | encode_compound_hdr(xdr, req, &hdr); |
2604 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2605 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
2606 | encode_layoutget(xdr, args, &hdr); | |
b1f69b75 | 2607 | encode_nops(&hdr); |
b1f69b75 | 2608 | } |
99fe60d0 BH |
2609 | #endif /* CONFIG_NFS_V4_1 */ |
2610 | ||
686841b3 BH |
2611 | static void print_overflow_msg(const char *func, const struct xdr_stream *xdr) |
2612 | { | |
2613 | dprintk("nfs: %s: prematurely hit end of receive buffer. " | |
2614 | "Remaining buffer length is %tu words.\n", | |
2615 | func, xdr->end - xdr->p); | |
2616 | } | |
1da177e4 | 2617 | |
683b57b4 | 2618 | static int decode_opaque_inline(struct xdr_stream *xdr, unsigned int *len, char **string) |
1da177e4 | 2619 | { |
8687b63a | 2620 | __be32 *p; |
1da177e4 | 2621 | |
c0eae66e BH |
2622 | p = xdr_inline_decode(xdr, 4); |
2623 | if (unlikely(!p)) | |
2624 | goto out_overflow; | |
cccddf4f | 2625 | *len = be32_to_cpup(p); |
c0eae66e BH |
2626 | p = xdr_inline_decode(xdr, *len); |
2627 | if (unlikely(!p)) | |
2628 | goto out_overflow; | |
1da177e4 LT |
2629 | *string = (char *)p; |
2630 | return 0; | |
c0eae66e BH |
2631 | out_overflow: |
2632 | print_overflow_msg(__func__, xdr); | |
2633 | return -EIO; | |
1da177e4 LT |
2634 | } |
2635 | ||
2636 | static int decode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr) | |
2637 | { | |
8687b63a | 2638 | __be32 *p; |
1da177e4 | 2639 | |
c0eae66e BH |
2640 | p = xdr_inline_decode(xdr, 8); |
2641 | if (unlikely(!p)) | |
2642 | goto out_overflow; | |
6f723f77 | 2643 | hdr->status = be32_to_cpup(p++); |
cccddf4f | 2644 | hdr->taglen = be32_to_cpup(p); |
6c0195a4 | 2645 | |
c0eae66e BH |
2646 | p = xdr_inline_decode(xdr, hdr->taglen + 4); |
2647 | if (unlikely(!p)) | |
2648 | goto out_overflow; | |
1da177e4 LT |
2649 | hdr->tag = (char *)p; |
2650 | p += XDR_QUADLEN(hdr->taglen); | |
cccddf4f | 2651 | hdr->nops = be32_to_cpup(p); |
aadf6152 BH |
2652 | if (unlikely(hdr->nops < 1)) |
2653 | return nfs4_stat_to_errno(hdr->status); | |
1da177e4 | 2654 | return 0; |
c0eae66e BH |
2655 | out_overflow: |
2656 | print_overflow_msg(__func__, xdr); | |
2657 | return -EIO; | |
1da177e4 LT |
2658 | } |
2659 | ||
2660 | static int decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected) | |
2661 | { | |
8687b63a | 2662 | __be32 *p; |
1da177e4 LT |
2663 | uint32_t opnum; |
2664 | int32_t nfserr; | |
2665 | ||
c0eae66e BH |
2666 | p = xdr_inline_decode(xdr, 8); |
2667 | if (unlikely(!p)) | |
2668 | goto out_overflow; | |
6f723f77 | 2669 | opnum = be32_to_cpup(p++); |
1da177e4 | 2670 | if (opnum != expected) { |
fe82a183 CL |
2671 | dprintk("nfs: Server returned operation" |
2672 | " %d but we issued a request for %d\n", | |
1da177e4 LT |
2673 | opnum, expected); |
2674 | return -EIO; | |
2675 | } | |
cccddf4f | 2676 | nfserr = be32_to_cpup(p); |
1da177e4 | 2677 | if (nfserr != NFS_OK) |
856dff3d | 2678 | return nfs4_stat_to_errno(nfserr); |
1da177e4 | 2679 | return 0; |
c0eae66e BH |
2680 | out_overflow: |
2681 | print_overflow_msg(__func__, xdr); | |
2682 | return -EIO; | |
1da177e4 LT |
2683 | } |
2684 | ||
2685 | /* Dummy routine */ | |
adfa6f98 | 2686 | static int decode_ace(struct xdr_stream *xdr, void *ace, struct nfs_client *clp) |
1da177e4 | 2687 | { |
8687b63a | 2688 | __be32 *p; |
683b57b4 | 2689 | unsigned int strlen; |
1da177e4 LT |
2690 | char *str; |
2691 | ||
c0eae66e BH |
2692 | p = xdr_inline_decode(xdr, 12); |
2693 | if (likely(p)) | |
2694 | return decode_opaque_inline(xdr, &strlen, &str); | |
2695 | print_overflow_msg(__func__, xdr); | |
2696 | return -EIO; | |
1da177e4 LT |
2697 | } |
2698 | ||
2699 | static int decode_attr_bitmap(struct xdr_stream *xdr, uint32_t *bitmap) | |
2700 | { | |
8687b63a AV |
2701 | uint32_t bmlen; |
2702 | __be32 *p; | |
1da177e4 | 2703 | |
c0eae66e BH |
2704 | p = xdr_inline_decode(xdr, 4); |
2705 | if (unlikely(!p)) | |
2706 | goto out_overflow; | |
cccddf4f | 2707 | bmlen = be32_to_cpup(p); |
1da177e4 LT |
2708 | |
2709 | bitmap[0] = bitmap[1] = 0; | |
c0eae66e BH |
2710 | p = xdr_inline_decode(xdr, (bmlen << 2)); |
2711 | if (unlikely(!p)) | |
2712 | goto out_overflow; | |
1da177e4 | 2713 | if (bmlen > 0) { |
6f723f77 | 2714 | bitmap[0] = be32_to_cpup(p++); |
1da177e4 | 2715 | if (bmlen > 1) |
cccddf4f | 2716 | bitmap[1] = be32_to_cpup(p); |
1da177e4 LT |
2717 | } |
2718 | return 0; | |
c0eae66e BH |
2719 | out_overflow: |
2720 | print_overflow_msg(__func__, xdr); | |
2721 | return -EIO; | |
1da177e4 LT |
2722 | } |
2723 | ||
8687b63a | 2724 | static inline int decode_attr_length(struct xdr_stream *xdr, uint32_t *attrlen, __be32 **savep) |
1da177e4 | 2725 | { |
8687b63a | 2726 | __be32 *p; |
1da177e4 | 2727 | |
c0eae66e BH |
2728 | p = xdr_inline_decode(xdr, 4); |
2729 | if (unlikely(!p)) | |
2730 | goto out_overflow; | |
cccddf4f | 2731 | *attrlen = be32_to_cpup(p); |
1da177e4 LT |
2732 | *savep = xdr->p; |
2733 | return 0; | |
c0eae66e BH |
2734 | out_overflow: |
2735 | print_overflow_msg(__func__, xdr); | |
2736 | return -EIO; | |
1da177e4 LT |
2737 | } |
2738 | ||
2739 | static int decode_attr_supported(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *bitmask) | |
2740 | { | |
2741 | if (likely(bitmap[0] & FATTR4_WORD0_SUPPORTED_ATTRS)) { | |
3388bff5 RB |
2742 | int ret; |
2743 | ret = decode_attr_bitmap(xdr, bitmask); | |
2744 | if (unlikely(ret < 0)) | |
2745 | return ret; | |
1da177e4 LT |
2746 | bitmap[0] &= ~FATTR4_WORD0_SUPPORTED_ATTRS; |
2747 | } else | |
2748 | bitmask[0] = bitmask[1] = 0; | |
44109241 | 2749 | dprintk("%s: bitmask=%08x:%08x\n", __func__, bitmask[0], bitmask[1]); |
1da177e4 LT |
2750 | return 0; |
2751 | } | |
2752 | ||
2753 | static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *type) | |
2754 | { | |
8687b63a | 2755 | __be32 *p; |
409924e4 | 2756 | int ret = 0; |
1da177e4 LT |
2757 | |
2758 | *type = 0; | |
2759 | if (unlikely(bitmap[0] & (FATTR4_WORD0_TYPE - 1U))) | |
2760 | return -EIO; | |
2761 | if (likely(bitmap[0] & FATTR4_WORD0_TYPE)) { | |
c0eae66e BH |
2762 | p = xdr_inline_decode(xdr, 4); |
2763 | if (unlikely(!p)) | |
2764 | goto out_overflow; | |
cccddf4f | 2765 | *type = be32_to_cpup(p); |
1da177e4 | 2766 | if (*type < NF4REG || *type > NF4NAMEDATTR) { |
3110ff80 | 2767 | dprintk("%s: bad type %d\n", __func__, *type); |
1da177e4 LT |
2768 | return -EIO; |
2769 | } | |
2770 | bitmap[0] &= ~FATTR4_WORD0_TYPE; | |
409924e4 | 2771 | ret = NFS_ATTR_FATTR_TYPE; |
1da177e4 | 2772 | } |
bca79478 | 2773 | dprintk("%s: type=0%o\n", __func__, nfs_type2fmt[*type]); |
409924e4 | 2774 | return ret; |
c0eae66e BH |
2775 | out_overflow: |
2776 | print_overflow_msg(__func__, xdr); | |
2777 | return -EIO; | |
1da177e4 LT |
2778 | } |
2779 | ||
2780 | static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *change) | |
2781 | { | |
8687b63a | 2782 | __be32 *p; |
409924e4 | 2783 | int ret = 0; |
1da177e4 LT |
2784 | |
2785 | *change = 0; | |
2786 | if (unlikely(bitmap[0] & (FATTR4_WORD0_CHANGE - 1U))) | |
2787 | return -EIO; | |
2788 | if (likely(bitmap[0] & FATTR4_WORD0_CHANGE)) { | |
c0eae66e BH |
2789 | p = xdr_inline_decode(xdr, 8); |
2790 | if (unlikely(!p)) | |
2791 | goto out_overflow; | |
cccddf4f | 2792 | xdr_decode_hyper(p, change); |
1da177e4 | 2793 | bitmap[0] &= ~FATTR4_WORD0_CHANGE; |
409924e4 | 2794 | ret = NFS_ATTR_FATTR_CHANGE; |
1da177e4 | 2795 | } |
3110ff80 | 2796 | dprintk("%s: change attribute=%Lu\n", __func__, |
1da177e4 | 2797 | (unsigned long long)*change); |
409924e4 | 2798 | return ret; |
c0eae66e BH |
2799 | out_overflow: |
2800 | print_overflow_msg(__func__, xdr); | |
2801 | return -EIO; | |
1da177e4 LT |
2802 | } |
2803 | ||
2804 | static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *size) | |
2805 | { | |
8687b63a | 2806 | __be32 *p; |
409924e4 | 2807 | int ret = 0; |
1da177e4 LT |
2808 | |
2809 | *size = 0; | |
2810 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SIZE - 1U))) | |
2811 | return -EIO; | |
2812 | if (likely(bitmap[0] & FATTR4_WORD0_SIZE)) { | |
c0eae66e BH |
2813 | p = xdr_inline_decode(xdr, 8); |
2814 | if (unlikely(!p)) | |
2815 | goto out_overflow; | |
cccddf4f | 2816 | xdr_decode_hyper(p, size); |
1da177e4 | 2817 | bitmap[0] &= ~FATTR4_WORD0_SIZE; |
409924e4 | 2818 | ret = NFS_ATTR_FATTR_SIZE; |
1da177e4 | 2819 | } |
3110ff80 | 2820 | dprintk("%s: file size=%Lu\n", __func__, (unsigned long long)*size); |
409924e4 | 2821 | return ret; |
c0eae66e BH |
2822 | out_overflow: |
2823 | print_overflow_msg(__func__, xdr); | |
2824 | return -EIO; | |
1da177e4 LT |
2825 | } |
2826 | ||
2827 | static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
2828 | { | |
8687b63a | 2829 | __be32 *p; |
1da177e4 LT |
2830 | |
2831 | *res = 0; | |
2832 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LINK_SUPPORT - 1U))) | |
2833 | return -EIO; | |
2834 | if (likely(bitmap[0] & FATTR4_WORD0_LINK_SUPPORT)) { | |
c0eae66e BH |
2835 | p = xdr_inline_decode(xdr, 4); |
2836 | if (unlikely(!p)) | |
2837 | goto out_overflow; | |
cccddf4f | 2838 | *res = be32_to_cpup(p); |
1da177e4 LT |
2839 | bitmap[0] &= ~FATTR4_WORD0_LINK_SUPPORT; |
2840 | } | |
3110ff80 | 2841 | dprintk("%s: link support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 | 2842 | return 0; |
c0eae66e BH |
2843 | out_overflow: |
2844 | print_overflow_msg(__func__, xdr); | |
2845 | return -EIO; | |
1da177e4 LT |
2846 | } |
2847 | ||
2848 | static int decode_attr_symlink_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
2849 | { | |
8687b63a | 2850 | __be32 *p; |
1da177e4 LT |
2851 | |
2852 | *res = 0; | |
2853 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SYMLINK_SUPPORT - 1U))) | |
2854 | return -EIO; | |
2855 | if (likely(bitmap[0] & FATTR4_WORD0_SYMLINK_SUPPORT)) { | |
c0eae66e BH |
2856 | p = xdr_inline_decode(xdr, 4); |
2857 | if (unlikely(!p)) | |
2858 | goto out_overflow; | |
cccddf4f | 2859 | *res = be32_to_cpup(p); |
1da177e4 LT |
2860 | bitmap[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT; |
2861 | } | |
3110ff80 | 2862 | dprintk("%s: symlink support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 | 2863 | return 0; |
c0eae66e BH |
2864 | out_overflow: |
2865 | print_overflow_msg(__func__, xdr); | |
2866 | return -EIO; | |
1da177e4 LT |
2867 | } |
2868 | ||
8b4bdcf8 | 2869 | static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fsid *fsid) |
1da177e4 | 2870 | { |
8687b63a | 2871 | __be32 *p; |
409924e4 | 2872 | int ret = 0; |
1da177e4 LT |
2873 | |
2874 | fsid->major = 0; | |
2875 | fsid->minor = 0; | |
2876 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FSID - 1U))) | |
2877 | return -EIO; | |
2878 | if (likely(bitmap[0] & FATTR4_WORD0_FSID)) { | |
c0eae66e BH |
2879 | p = xdr_inline_decode(xdr, 16); |
2880 | if (unlikely(!p)) | |
2881 | goto out_overflow; | |
3ceb4dbb | 2882 | p = xdr_decode_hyper(p, &fsid->major); |
cccddf4f | 2883 | xdr_decode_hyper(p, &fsid->minor); |
1da177e4 | 2884 | bitmap[0] &= ~FATTR4_WORD0_FSID; |
409924e4 | 2885 | ret = NFS_ATTR_FATTR_FSID; |
1da177e4 | 2886 | } |
3110ff80 | 2887 | dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __func__, |
1da177e4 LT |
2888 | (unsigned long long)fsid->major, |
2889 | (unsigned long long)fsid->minor); | |
409924e4 | 2890 | return ret; |
c0eae66e BH |
2891 | out_overflow: |
2892 | print_overflow_msg(__func__, xdr); | |
2893 | return -EIO; | |
1da177e4 LT |
2894 | } |
2895 | ||
2896 | static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
2897 | { | |
8687b63a | 2898 | __be32 *p; |
1da177e4 LT |
2899 | |
2900 | *res = 60; | |
2901 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LEASE_TIME - 1U))) | |
2902 | return -EIO; | |
2903 | if (likely(bitmap[0] & FATTR4_WORD0_LEASE_TIME)) { | |
c0eae66e BH |
2904 | p = xdr_inline_decode(xdr, 4); |
2905 | if (unlikely(!p)) | |
2906 | goto out_overflow; | |
cccddf4f | 2907 | *res = be32_to_cpup(p); |
1da177e4 LT |
2908 | bitmap[0] &= ~FATTR4_WORD0_LEASE_TIME; |
2909 | } | |
3110ff80 | 2910 | dprintk("%s: file size=%u\n", __func__, (unsigned int)*res); |
1da177e4 | 2911 | return 0; |
c0eae66e BH |
2912 | out_overflow: |
2913 | print_overflow_msg(__func__, xdr); | |
2914 | return -EIO; | |
1da177e4 LT |
2915 | } |
2916 | ||
ae42c70a BS |
2917 | static int decode_attr_error(struct xdr_stream *xdr, uint32_t *bitmap) |
2918 | { | |
2919 | __be32 *p; | |
2920 | ||
2921 | if (unlikely(bitmap[0] & (FATTR4_WORD0_RDATTR_ERROR - 1U))) | |
2922 | return -EIO; | |
2923 | if (likely(bitmap[0] & FATTR4_WORD0_RDATTR_ERROR)) { | |
2924 | p = xdr_inline_decode(xdr, 4); | |
2925 | if (unlikely(!p)) | |
2926 | goto out_overflow; | |
2927 | bitmap[0] &= ~FATTR4_WORD0_RDATTR_ERROR; | |
2928 | } | |
2929 | return 0; | |
2930 | out_overflow: | |
2931 | print_overflow_msg(__func__, xdr); | |
2932 | return -EIO; | |
2933 | } | |
2934 | ||
2935 | static int decode_attr_filehandle(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fh *fh) | |
2936 | { | |
2937 | __be32 *p; | |
2938 | int len; | |
2939 | ||
7ad07353 TM |
2940 | if (fh != NULL) |
2941 | memset(fh, 0, sizeof(*fh)); | |
ae42c70a BS |
2942 | |
2943 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEHANDLE - 1U))) | |
2944 | return -EIO; | |
2945 | if (likely(bitmap[0] & FATTR4_WORD0_FILEHANDLE)) { | |
2946 | p = xdr_inline_decode(xdr, 4); | |
2947 | if (unlikely(!p)) | |
2948 | goto out_overflow; | |
2949 | len = be32_to_cpup(p); | |
2950 | if (len > NFS4_FHSIZE) | |
2951 | return -EIO; | |
ae42c70a BS |
2952 | p = xdr_inline_decode(xdr, len); |
2953 | if (unlikely(!p)) | |
2954 | goto out_overflow; | |
7ad07353 TM |
2955 | if (fh != NULL) { |
2956 | memcpy(fh->data, p, len); | |
2957 | fh->size = len; | |
2958 | } | |
ae42c70a BS |
2959 | bitmap[0] &= ~FATTR4_WORD0_FILEHANDLE; |
2960 | } | |
2961 | return 0; | |
2962 | out_overflow: | |
2963 | print_overflow_msg(__func__, xdr); | |
2964 | return -EIO; | |
2965 | } | |
2966 | ||
1da177e4 LT |
2967 | static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) |
2968 | { | |
8687b63a | 2969 | __be32 *p; |
1da177e4 LT |
2970 | |
2971 | *res = ACL4_SUPPORT_ALLOW_ACL|ACL4_SUPPORT_DENY_ACL; | |
2972 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACLSUPPORT - 1U))) | |
2973 | return -EIO; | |
2974 | if (likely(bitmap[0] & FATTR4_WORD0_ACLSUPPORT)) { | |
c0eae66e BH |
2975 | p = xdr_inline_decode(xdr, 4); |
2976 | if (unlikely(!p)) | |
2977 | goto out_overflow; | |
cccddf4f | 2978 | *res = be32_to_cpup(p); |
1da177e4 LT |
2979 | bitmap[0] &= ~FATTR4_WORD0_ACLSUPPORT; |
2980 | } | |
3110ff80 | 2981 | dprintk("%s: ACLs supported=%u\n", __func__, (unsigned int)*res); |
1da177e4 | 2982 | return 0; |
c0eae66e BH |
2983 | out_overflow: |
2984 | print_overflow_msg(__func__, xdr); | |
2985 | return -EIO; | |
1da177e4 LT |
2986 | } |
2987 | ||
2988 | static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) | |
2989 | { | |
8687b63a | 2990 | __be32 *p; |
409924e4 | 2991 | int ret = 0; |
1da177e4 LT |
2992 | |
2993 | *fileid = 0; | |
2994 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEID - 1U))) | |
2995 | return -EIO; | |
2996 | if (likely(bitmap[0] & FATTR4_WORD0_FILEID)) { | |
c0eae66e BH |
2997 | p = xdr_inline_decode(xdr, 8); |
2998 | if (unlikely(!p)) | |
2999 | goto out_overflow; | |
cccddf4f | 3000 | xdr_decode_hyper(p, fileid); |
1da177e4 | 3001 | bitmap[0] &= ~FATTR4_WORD0_FILEID; |
409924e4 | 3002 | ret = NFS_ATTR_FATTR_FILEID; |
1da177e4 | 3003 | } |
3110ff80 | 3004 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
409924e4 | 3005 | return ret; |
c0eae66e BH |
3006 | out_overflow: |
3007 | print_overflow_msg(__func__, xdr); | |
3008 | return -EIO; | |
1da177e4 LT |
3009 | } |
3010 | ||
99baf625 MN |
3011 | static int decode_attr_mounted_on_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) |
3012 | { | |
8687b63a | 3013 | __be32 *p; |
409924e4 | 3014 | int ret = 0; |
99baf625 MN |
3015 | |
3016 | *fileid = 0; | |
3017 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MOUNTED_ON_FILEID - 1U))) | |
3018 | return -EIO; | |
3019 | if (likely(bitmap[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) { | |
c0eae66e BH |
3020 | p = xdr_inline_decode(xdr, 8); |
3021 | if (unlikely(!p)) | |
3022 | goto out_overflow; | |
cccddf4f | 3023 | xdr_decode_hyper(p, fileid); |
99baf625 | 3024 | bitmap[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID; |
409924e4 | 3025 | ret = NFS_ATTR_FATTR_FILEID; |
99baf625 | 3026 | } |
3110ff80 | 3027 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
409924e4 | 3028 | return ret; |
c0eae66e BH |
3029 | out_overflow: |
3030 | print_overflow_msg(__func__, xdr); | |
3031 | return -EIO; | |
99baf625 MN |
3032 | } |
3033 | ||
1da177e4 LT |
3034 | static int decode_attr_files_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
3035 | { | |
8687b63a | 3036 | __be32 *p; |
1da177e4 LT |
3037 | int status = 0; |
3038 | ||
3039 | *res = 0; | |
3040 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_AVAIL - 1U))) | |
3041 | return -EIO; | |
3042 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_AVAIL)) { | |
c0eae66e BH |
3043 | p = xdr_inline_decode(xdr, 8); |
3044 | if (unlikely(!p)) | |
3045 | goto out_overflow; | |
cccddf4f | 3046 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3047 | bitmap[0] &= ~FATTR4_WORD0_FILES_AVAIL; |
3048 | } | |
3110ff80 | 3049 | dprintk("%s: files avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3050 | return status; |
c0eae66e BH |
3051 | out_overflow: |
3052 | print_overflow_msg(__func__, xdr); | |
3053 | return -EIO; | |
1da177e4 LT |
3054 | } |
3055 | ||
3056 | static int decode_attr_files_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3057 | { | |
8687b63a | 3058 | __be32 *p; |
1da177e4 LT |
3059 | int status = 0; |
3060 | ||
3061 | *res = 0; | |
3062 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_FREE - 1U))) | |
3063 | return -EIO; | |
3064 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_FREE)) { | |
c0eae66e BH |
3065 | p = xdr_inline_decode(xdr, 8); |
3066 | if (unlikely(!p)) | |
3067 | goto out_overflow; | |
cccddf4f | 3068 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3069 | bitmap[0] &= ~FATTR4_WORD0_FILES_FREE; |
3070 | } | |
3110ff80 | 3071 | dprintk("%s: files free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3072 | return status; |
c0eae66e BH |
3073 | out_overflow: |
3074 | print_overflow_msg(__func__, xdr); | |
3075 | return -EIO; | |
1da177e4 LT |
3076 | } |
3077 | ||
3078 | static int decode_attr_files_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3079 | { | |
8687b63a | 3080 | __be32 *p; |
1da177e4 LT |
3081 | int status = 0; |
3082 | ||
3083 | *res = 0; | |
3084 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_TOTAL - 1U))) | |
3085 | return -EIO; | |
3086 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_TOTAL)) { | |
c0eae66e BH |
3087 | p = xdr_inline_decode(xdr, 8); |
3088 | if (unlikely(!p)) | |
3089 | goto out_overflow; | |
cccddf4f | 3090 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3091 | bitmap[0] &= ~FATTR4_WORD0_FILES_TOTAL; |
3092 | } | |
3110ff80 | 3093 | dprintk("%s: files total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3094 | return status; |
c0eae66e BH |
3095 | out_overflow: |
3096 | print_overflow_msg(__func__, xdr); | |
3097 | return -EIO; | |
1da177e4 LT |
3098 | } |
3099 | ||
7aaa0b3b MN |
3100 | static int decode_pathname(struct xdr_stream *xdr, struct nfs4_pathname *path) |
3101 | { | |
464ad6b1 | 3102 | u32 n; |
8687b63a | 3103 | __be32 *p; |
7aaa0b3b MN |
3104 | int status = 0; |
3105 | ||
c0eae66e BH |
3106 | p = xdr_inline_decode(xdr, 4); |
3107 | if (unlikely(!p)) | |
3108 | goto out_overflow; | |
cccddf4f | 3109 | n = be32_to_cpup(p); |
33a43f28 AA |
3110 | if (n == 0) |
3111 | goto root_path; | |
7aaa0b3b MN |
3112 | dprintk("path "); |
3113 | path->ncomponents = 0; | |
3114 | while (path->ncomponents < n) { | |
3115 | struct nfs4_string *component = &path->components[path->ncomponents]; | |
3116 | status = decode_opaque_inline(xdr, &component->len, &component->data); | |
3117 | if (unlikely(status != 0)) | |
3118 | goto out_eio; | |
3119 | if (path->ncomponents != n) | |
3120 | dprintk("/"); | |
3121 | dprintk("%s", component->data); | |
3122 | if (path->ncomponents < NFS4_PATHNAME_MAXCOMPONENTS) | |
3123 | path->ncomponents++; | |
3124 | else { | |
3125 | dprintk("cannot parse %d components in path\n", n); | |
3126 | goto out_eio; | |
3127 | } | |
3128 | } | |
3129 | out: | |
3130 | dprintk("\n"); | |
3131 | return status; | |
33a43f28 AA |
3132 | root_path: |
3133 | /* a root pathname is sent as a zero component4 */ | |
3134 | path->ncomponents = 1; | |
3135 | path->components[0].len=0; | |
3136 | path->components[0].data=NULL; | |
3137 | dprintk("path /\n"); | |
3138 | goto out; | |
7aaa0b3b MN |
3139 | out_eio: |
3140 | dprintk(" status %d", status); | |
3141 | status = -EIO; | |
3142 | goto out; | |
c0eae66e BH |
3143 | out_overflow: |
3144 | print_overflow_msg(__func__, xdr); | |
3145 | return -EIO; | |
7aaa0b3b MN |
3146 | } |
3147 | ||
3148 | static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_fs_locations *res) | |
683b57b4 TM |
3149 | { |
3150 | int n; | |
8687b63a | 3151 | __be32 *p; |
683b57b4 TM |
3152 | int status = -EIO; |
3153 | ||
3154 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FS_LOCATIONS -1U))) | |
3155 | goto out; | |
3156 | status = 0; | |
3157 | if (unlikely(!(bitmap[0] & FATTR4_WORD0_FS_LOCATIONS))) | |
3158 | goto out; | |
3110ff80 | 3159 | dprintk("%s: fsroot ", __func__); |
7aaa0b3b | 3160 | status = decode_pathname(xdr, &res->fs_path); |
683b57b4 TM |
3161 | if (unlikely(status != 0)) |
3162 | goto out; | |
c0eae66e BH |
3163 | p = xdr_inline_decode(xdr, 4); |
3164 | if (unlikely(!p)) | |
3165 | goto out_overflow; | |
cccddf4f | 3166 | n = be32_to_cpup(p); |
683b57b4 TM |
3167 | if (n <= 0) |
3168 | goto out_eio; | |
3169 | res->nlocations = 0; | |
3170 | while (res->nlocations < n) { | |
464ad6b1 | 3171 | u32 m; |
7aaa0b3b | 3172 | struct nfs4_fs_location *loc = &res->locations[res->nlocations]; |
683b57b4 | 3173 | |
c0eae66e BH |
3174 | p = xdr_inline_decode(xdr, 4); |
3175 | if (unlikely(!p)) | |
3176 | goto out_overflow; | |
cccddf4f | 3177 | m = be32_to_cpup(p); |
7aaa0b3b MN |
3178 | |
3179 | loc->nservers = 0; | |
3110ff80 | 3180 | dprintk("%s: servers ", __func__); |
7aaa0b3b MN |
3181 | while (loc->nservers < m) { |
3182 | struct nfs4_string *server = &loc->servers[loc->nservers]; | |
3183 | status = decode_opaque_inline(xdr, &server->len, &server->data); | |
3184 | if (unlikely(status != 0)) | |
3185 | goto out_eio; | |
3186 | dprintk("%s ", server->data); | |
3187 | if (loc->nservers < NFS4_FS_LOCATION_MAXSERVERS) | |
3188 | loc->nservers++; | |
3189 | else { | |
464ad6b1 CL |
3190 | unsigned int i; |
3191 | dprintk("%s: using first %u of %u servers " | |
3192 | "returned for location %u\n", | |
3110ff80 | 3193 | __func__, |
464ad6b1 CL |
3194 | NFS4_FS_LOCATION_MAXSERVERS, |
3195 | m, res->nlocations); | |
7aaa0b3b | 3196 | for (i = loc->nservers; i < m; i++) { |
2e42c3e2 | 3197 | unsigned int len; |
7aaa0b3b MN |
3198 | char *data; |
3199 | status = decode_opaque_inline(xdr, &len, &data); | |
3200 | if (unlikely(status != 0)) | |
3201 | goto out_eio; | |
3202 | } | |
3203 | } | |
3204 | } | |
3205 | status = decode_pathname(xdr, &loc->rootpath); | |
683b57b4 TM |
3206 | if (unlikely(status != 0)) |
3207 | goto out_eio; | |
7aaa0b3b | 3208 | if (res->nlocations < NFS4_FS_LOCATIONS_MAXENTRIES) |
683b57b4 TM |
3209 | res->nlocations++; |
3210 | } | |
409924e4 TM |
3211 | if (res->nlocations != 0) |
3212 | status = NFS_ATTR_FATTR_V4_REFERRAL; | |
683b57b4 | 3213 | out: |
3110ff80 | 3214 | dprintk("%s: fs_locations done, error = %d\n", __func__, status); |
683b57b4 | 3215 | return status; |
c0eae66e BH |
3216 | out_overflow: |
3217 | print_overflow_msg(__func__, xdr); | |
683b57b4 TM |
3218 | out_eio: |
3219 | status = -EIO; | |
3220 | goto out; | |
3221 | } | |
3222 | ||
1da177e4 LT |
3223 | static int decode_attr_maxfilesize(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
3224 | { | |
8687b63a | 3225 | __be32 *p; |
1da177e4 LT |
3226 | int status = 0; |
3227 | ||
3228 | *res = 0; | |
3229 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXFILESIZE - 1U))) | |
3230 | return -EIO; | |
3231 | if (likely(bitmap[0] & FATTR4_WORD0_MAXFILESIZE)) { | |
c0eae66e BH |
3232 | p = xdr_inline_decode(xdr, 8); |
3233 | if (unlikely(!p)) | |
3234 | goto out_overflow; | |
cccddf4f | 3235 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3236 | bitmap[0] &= ~FATTR4_WORD0_MAXFILESIZE; |
3237 | } | |
3110ff80 | 3238 | dprintk("%s: maxfilesize=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3239 | return status; |
c0eae66e BH |
3240 | out_overflow: |
3241 | print_overflow_msg(__func__, xdr); | |
3242 | return -EIO; | |
1da177e4 LT |
3243 | } |
3244 | ||
3245 | static int decode_attr_maxlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxlink) | |
3246 | { | |
8687b63a | 3247 | __be32 *p; |
1da177e4 LT |
3248 | int status = 0; |
3249 | ||
3250 | *maxlink = 1; | |
3251 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXLINK - 1U))) | |
3252 | return -EIO; | |
3253 | if (likely(bitmap[0] & FATTR4_WORD0_MAXLINK)) { | |
c0eae66e BH |
3254 | p = xdr_inline_decode(xdr, 4); |
3255 | if (unlikely(!p)) | |
3256 | goto out_overflow; | |
cccddf4f | 3257 | *maxlink = be32_to_cpup(p); |
1da177e4 LT |
3258 | bitmap[0] &= ~FATTR4_WORD0_MAXLINK; |
3259 | } | |
3110ff80 | 3260 | dprintk("%s: maxlink=%u\n", __func__, *maxlink); |
1da177e4 | 3261 | return status; |
c0eae66e BH |
3262 | out_overflow: |
3263 | print_overflow_msg(__func__, xdr); | |
3264 | return -EIO; | |
1da177e4 LT |
3265 | } |
3266 | ||
3267 | static int decode_attr_maxname(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxname) | |
3268 | { | |
8687b63a | 3269 | __be32 *p; |
1da177e4 LT |
3270 | int status = 0; |
3271 | ||
3272 | *maxname = 1024; | |
3273 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXNAME - 1U))) | |
3274 | return -EIO; | |
3275 | if (likely(bitmap[0] & FATTR4_WORD0_MAXNAME)) { | |
c0eae66e BH |
3276 | p = xdr_inline_decode(xdr, 4); |
3277 | if (unlikely(!p)) | |
3278 | goto out_overflow; | |
cccddf4f | 3279 | *maxname = be32_to_cpup(p); |
1da177e4 LT |
3280 | bitmap[0] &= ~FATTR4_WORD0_MAXNAME; |
3281 | } | |
3110ff80 | 3282 | dprintk("%s: maxname=%u\n", __func__, *maxname); |
1da177e4 | 3283 | return status; |
c0eae66e BH |
3284 | out_overflow: |
3285 | print_overflow_msg(__func__, xdr); | |
3286 | return -EIO; | |
1da177e4 LT |
3287 | } |
3288 | ||
3289 | static int decode_attr_maxread(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3290 | { | |
8687b63a | 3291 | __be32 *p; |
1da177e4 LT |
3292 | int status = 0; |
3293 | ||
3294 | *res = 1024; | |
3295 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXREAD - 1U))) | |
3296 | return -EIO; | |
3297 | if (likely(bitmap[0] & FATTR4_WORD0_MAXREAD)) { | |
3298 | uint64_t maxread; | |
c0eae66e BH |
3299 | p = xdr_inline_decode(xdr, 8); |
3300 | if (unlikely(!p)) | |
3301 | goto out_overflow; | |
cccddf4f | 3302 | xdr_decode_hyper(p, &maxread); |
1da177e4 LT |
3303 | if (maxread > 0x7FFFFFFF) |
3304 | maxread = 0x7FFFFFFF; | |
3305 | *res = (uint32_t)maxread; | |
3306 | bitmap[0] &= ~FATTR4_WORD0_MAXREAD; | |
3307 | } | |
3110ff80 | 3308 | dprintk("%s: maxread=%lu\n", __func__, (unsigned long)*res); |
1da177e4 | 3309 | return status; |
c0eae66e BH |
3310 | out_overflow: |
3311 | print_overflow_msg(__func__, xdr); | |
3312 | return -EIO; | |
1da177e4 LT |
3313 | } |
3314 | ||
3315 | static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3316 | { | |
8687b63a | 3317 | __be32 *p; |
1da177e4 LT |
3318 | int status = 0; |
3319 | ||
3320 | *res = 1024; | |
3321 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXWRITE - 1U))) | |
3322 | return -EIO; | |
3323 | if (likely(bitmap[0] & FATTR4_WORD0_MAXWRITE)) { | |
3324 | uint64_t maxwrite; | |
c0eae66e BH |
3325 | p = xdr_inline_decode(xdr, 8); |
3326 | if (unlikely(!p)) | |
3327 | goto out_overflow; | |
cccddf4f | 3328 | xdr_decode_hyper(p, &maxwrite); |
1da177e4 LT |
3329 | if (maxwrite > 0x7FFFFFFF) |
3330 | maxwrite = 0x7FFFFFFF; | |
3331 | *res = (uint32_t)maxwrite; | |
3332 | bitmap[0] &= ~FATTR4_WORD0_MAXWRITE; | |
3333 | } | |
3110ff80 | 3334 | dprintk("%s: maxwrite=%lu\n", __func__, (unsigned long)*res); |
1da177e4 | 3335 | return status; |
c0eae66e BH |
3336 | out_overflow: |
3337 | print_overflow_msg(__func__, xdr); | |
3338 | return -EIO; | |
1da177e4 LT |
3339 | } |
3340 | ||
bca79478 | 3341 | static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, umode_t *mode) |
1da177e4 | 3342 | { |
bca79478 | 3343 | uint32_t tmp; |
8687b63a | 3344 | __be32 *p; |
409924e4 | 3345 | int ret = 0; |
1da177e4 LT |
3346 | |
3347 | *mode = 0; | |
3348 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MODE - 1U))) | |
3349 | return -EIO; | |
3350 | if (likely(bitmap[1] & FATTR4_WORD1_MODE)) { | |
c0eae66e BH |
3351 | p = xdr_inline_decode(xdr, 4); |
3352 | if (unlikely(!p)) | |
3353 | goto out_overflow; | |
cccddf4f | 3354 | tmp = be32_to_cpup(p); |
bca79478 | 3355 | *mode = tmp & ~S_IFMT; |
1da177e4 | 3356 | bitmap[1] &= ~FATTR4_WORD1_MODE; |
409924e4 | 3357 | ret = NFS_ATTR_FATTR_MODE; |
1da177e4 | 3358 | } |
3110ff80 | 3359 | dprintk("%s: file mode=0%o\n", __func__, (unsigned int)*mode); |
409924e4 | 3360 | return ret; |
c0eae66e BH |
3361 | out_overflow: |
3362 | print_overflow_msg(__func__, xdr); | |
3363 | return -EIO; | |
1da177e4 LT |
3364 | } |
3365 | ||
3366 | static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *nlink) | |
3367 | { | |
8687b63a | 3368 | __be32 *p; |
409924e4 | 3369 | int ret = 0; |
1da177e4 LT |
3370 | |
3371 | *nlink = 1; | |
3372 | if (unlikely(bitmap[1] & (FATTR4_WORD1_NUMLINKS - 1U))) | |
3373 | return -EIO; | |
3374 | if (likely(bitmap[1] & FATTR4_WORD1_NUMLINKS)) { | |
c0eae66e BH |
3375 | p = xdr_inline_decode(xdr, 4); |
3376 | if (unlikely(!p)) | |
3377 | goto out_overflow; | |
cccddf4f | 3378 | *nlink = be32_to_cpup(p); |
1da177e4 | 3379 | bitmap[1] &= ~FATTR4_WORD1_NUMLINKS; |
409924e4 | 3380 | ret = NFS_ATTR_FATTR_NLINK; |
1da177e4 | 3381 | } |
3110ff80 | 3382 | dprintk("%s: nlink=%u\n", __func__, (unsigned int)*nlink); |
409924e4 | 3383 | return ret; |
c0eae66e BH |
3384 | out_overflow: |
3385 | print_overflow_msg(__func__, xdr); | |
3386 | return -EIO; | |
1da177e4 LT |
3387 | } |
3388 | ||
80e52ace | 3389 | static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, |
e4fd72a1 | 3390 | const struct nfs_server *server, uint32_t *uid, int may_sleep) |
1da177e4 | 3391 | { |
8687b63a AV |
3392 | uint32_t len; |
3393 | __be32 *p; | |
409924e4 | 3394 | int ret = 0; |
1da177e4 LT |
3395 | |
3396 | *uid = -2; | |
3397 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER - 1U))) | |
3398 | return -EIO; | |
3399 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER)) { | |
c0eae66e BH |
3400 | p = xdr_inline_decode(xdr, 4); |
3401 | if (unlikely(!p)) | |
3402 | goto out_overflow; | |
cccddf4f | 3403 | len = be32_to_cpup(p); |
c0eae66e BH |
3404 | p = xdr_inline_decode(xdr, len); |
3405 | if (unlikely(!p)) | |
3406 | goto out_overflow; | |
80e52ace TM |
3407 | if (!may_sleep) { |
3408 | /* do nothing */ | |
3409 | } else if (len < XDR_MAX_NETOBJ) { | |
e4fd72a1 | 3410 | if (nfs_map_name_to_uid(server, (char *)p, len, uid) == 0) |
409924e4 TM |
3411 | ret = NFS_ATTR_FATTR_OWNER; |
3412 | else | |
1da177e4 | 3413 | dprintk("%s: nfs_map_name_to_uid failed!\n", |
3110ff80 | 3414 | __func__); |
1da177e4 | 3415 | } else |
fe82a183 | 3416 | dprintk("%s: name too long (%u)!\n", |
3110ff80 | 3417 | __func__, len); |
1da177e4 LT |
3418 | bitmap[1] &= ~FATTR4_WORD1_OWNER; |
3419 | } | |
3110ff80 | 3420 | dprintk("%s: uid=%d\n", __func__, (int)*uid); |
409924e4 | 3421 | return ret; |
c0eae66e BH |
3422 | out_overflow: |
3423 | print_overflow_msg(__func__, xdr); | |
3424 | return -EIO; | |
1da177e4 LT |
3425 | } |
3426 | ||
80e52ace | 3427 | static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, |
e4fd72a1 | 3428 | const struct nfs_server *server, uint32_t *gid, int may_sleep) |
1da177e4 | 3429 | { |
8687b63a AV |
3430 | uint32_t len; |
3431 | __be32 *p; | |
409924e4 | 3432 | int ret = 0; |
1da177e4 LT |
3433 | |
3434 | *gid = -2; | |
3435 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER_GROUP - 1U))) | |
3436 | return -EIO; | |
3437 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER_GROUP)) { | |
c0eae66e BH |
3438 | p = xdr_inline_decode(xdr, 4); |
3439 | if (unlikely(!p)) | |
3440 | goto out_overflow; | |
cccddf4f | 3441 | len = be32_to_cpup(p); |
c0eae66e BH |
3442 | p = xdr_inline_decode(xdr, len); |
3443 | if (unlikely(!p)) | |
3444 | goto out_overflow; | |
80e52ace TM |
3445 | if (!may_sleep) { |
3446 | /* do nothing */ | |
3447 | } else if (len < XDR_MAX_NETOBJ) { | |
e4fd72a1 | 3448 | if (nfs_map_group_to_gid(server, (char *)p, len, gid) == 0) |
409924e4 TM |
3449 | ret = NFS_ATTR_FATTR_GROUP; |
3450 | else | |
1da177e4 | 3451 | dprintk("%s: nfs_map_group_to_gid failed!\n", |
3110ff80 | 3452 | __func__); |
1da177e4 | 3453 | } else |
fe82a183 | 3454 | dprintk("%s: name too long (%u)!\n", |
3110ff80 | 3455 | __func__, len); |
1da177e4 LT |
3456 | bitmap[1] &= ~FATTR4_WORD1_OWNER_GROUP; |
3457 | } | |
3110ff80 | 3458 | dprintk("%s: gid=%d\n", __func__, (int)*gid); |
409924e4 | 3459 | return ret; |
c0eae66e BH |
3460 | out_overflow: |
3461 | print_overflow_msg(__func__, xdr); | |
3462 | return -EIO; | |
1da177e4 LT |
3463 | } |
3464 | ||
3465 | static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rdev) | |
3466 | { | |
8687b63a AV |
3467 | uint32_t major = 0, minor = 0; |
3468 | __be32 *p; | |
409924e4 | 3469 | int ret = 0; |
1da177e4 LT |
3470 | |
3471 | *rdev = MKDEV(0,0); | |
3472 | if (unlikely(bitmap[1] & (FATTR4_WORD1_RAWDEV - 1U))) | |
3473 | return -EIO; | |
3474 | if (likely(bitmap[1] & FATTR4_WORD1_RAWDEV)) { | |
3475 | dev_t tmp; | |
3476 | ||
c0eae66e BH |
3477 | p = xdr_inline_decode(xdr, 8); |
3478 | if (unlikely(!p)) | |
3479 | goto out_overflow; | |
6f723f77 | 3480 | major = be32_to_cpup(p++); |
cccddf4f | 3481 | minor = be32_to_cpup(p); |
1da177e4 LT |
3482 | tmp = MKDEV(major, minor); |
3483 | if (MAJOR(tmp) == major && MINOR(tmp) == minor) | |
3484 | *rdev = tmp; | |
3485 | bitmap[1] &= ~ FATTR4_WORD1_RAWDEV; | |
409924e4 | 3486 | ret = NFS_ATTR_FATTR_RDEV; |
1da177e4 | 3487 | } |
3110ff80 | 3488 | dprintk("%s: rdev=(0x%x:0x%x)\n", __func__, major, minor); |
409924e4 | 3489 | return ret; |
c0eae66e BH |
3490 | out_overflow: |
3491 | print_overflow_msg(__func__, xdr); | |
3492 | return -EIO; | |
1da177e4 LT |
3493 | } |
3494 | ||
3495 | static int decode_attr_space_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3496 | { | |
8687b63a | 3497 | __be32 *p; |
1da177e4 LT |
3498 | int status = 0; |
3499 | ||
3500 | *res = 0; | |
3501 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_AVAIL - 1U))) | |
3502 | return -EIO; | |
3503 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_AVAIL)) { | |
c0eae66e BH |
3504 | p = xdr_inline_decode(xdr, 8); |
3505 | if (unlikely(!p)) | |
3506 | goto out_overflow; | |
cccddf4f | 3507 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3508 | bitmap[1] &= ~FATTR4_WORD1_SPACE_AVAIL; |
3509 | } | |
3110ff80 | 3510 | dprintk("%s: space avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3511 | return status; |
c0eae66e BH |
3512 | out_overflow: |
3513 | print_overflow_msg(__func__, xdr); | |
3514 | return -EIO; | |
1da177e4 LT |
3515 | } |
3516 | ||
3517 | static int decode_attr_space_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3518 | { | |
8687b63a | 3519 | __be32 *p; |
1da177e4 LT |
3520 | int status = 0; |
3521 | ||
3522 | *res = 0; | |
3523 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_FREE - 1U))) | |
3524 | return -EIO; | |
3525 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_FREE)) { | |
c0eae66e BH |
3526 | p = xdr_inline_decode(xdr, 8); |
3527 | if (unlikely(!p)) | |
3528 | goto out_overflow; | |
cccddf4f | 3529 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3530 | bitmap[1] &= ~FATTR4_WORD1_SPACE_FREE; |
3531 | } | |
3110ff80 | 3532 | dprintk("%s: space free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3533 | return status; |
c0eae66e BH |
3534 | out_overflow: |
3535 | print_overflow_msg(__func__, xdr); | |
3536 | return -EIO; | |
1da177e4 LT |
3537 | } |
3538 | ||
3539 | static int decode_attr_space_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3540 | { | |
8687b63a | 3541 | __be32 *p; |
1da177e4 LT |
3542 | int status = 0; |
3543 | ||
3544 | *res = 0; | |
3545 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_TOTAL - 1U))) | |
3546 | return -EIO; | |
3547 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_TOTAL)) { | |
c0eae66e BH |
3548 | p = xdr_inline_decode(xdr, 8); |
3549 | if (unlikely(!p)) | |
3550 | goto out_overflow; | |
cccddf4f | 3551 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3552 | bitmap[1] &= ~FATTR4_WORD1_SPACE_TOTAL; |
3553 | } | |
3110ff80 | 3554 | dprintk("%s: space total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3555 | return status; |
c0eae66e BH |
3556 | out_overflow: |
3557 | print_overflow_msg(__func__, xdr); | |
3558 | return -EIO; | |
1da177e4 LT |
3559 | } |
3560 | ||
3561 | static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *used) | |
3562 | { | |
8687b63a | 3563 | __be32 *p; |
409924e4 | 3564 | int ret = 0; |
1da177e4 LT |
3565 | |
3566 | *used = 0; | |
3567 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_USED - 1U))) | |
3568 | return -EIO; | |
3569 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_USED)) { | |
c0eae66e BH |
3570 | p = xdr_inline_decode(xdr, 8); |
3571 | if (unlikely(!p)) | |
3572 | goto out_overflow; | |
cccddf4f | 3573 | xdr_decode_hyper(p, used); |
1da177e4 | 3574 | bitmap[1] &= ~FATTR4_WORD1_SPACE_USED; |
409924e4 | 3575 | ret = NFS_ATTR_FATTR_SPACE_USED; |
1da177e4 | 3576 | } |
3110ff80 | 3577 | dprintk("%s: space used=%Lu\n", __func__, |
1da177e4 | 3578 | (unsigned long long)*used); |
409924e4 | 3579 | return ret; |
c0eae66e BH |
3580 | out_overflow: |
3581 | print_overflow_msg(__func__, xdr); | |
3582 | return -EIO; | |
1da177e4 LT |
3583 | } |
3584 | ||
3585 | static int decode_attr_time(struct xdr_stream *xdr, struct timespec *time) | |
3586 | { | |
8687b63a | 3587 | __be32 *p; |
1da177e4 LT |
3588 | uint64_t sec; |
3589 | uint32_t nsec; | |
3590 | ||
c0eae66e BH |
3591 | p = xdr_inline_decode(xdr, 12); |
3592 | if (unlikely(!p)) | |
3593 | goto out_overflow; | |
3ceb4dbb | 3594 | p = xdr_decode_hyper(p, &sec); |
cccddf4f | 3595 | nsec = be32_to_cpup(p); |
1da177e4 LT |
3596 | time->tv_sec = (time_t)sec; |
3597 | time->tv_nsec = (long)nsec; | |
3598 | return 0; | |
c0eae66e BH |
3599 | out_overflow: |
3600 | print_overflow_msg(__func__, xdr); | |
3601 | return -EIO; | |
1da177e4 LT |
3602 | } |
3603 | ||
3604 | static int decode_attr_time_access(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
3605 | { | |
3606 | int status = 0; | |
3607 | ||
3608 | time->tv_sec = 0; | |
3609 | time->tv_nsec = 0; | |
3610 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_ACCESS - 1U))) | |
3611 | return -EIO; | |
3612 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_ACCESS)) { | |
3613 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
3614 | if (status == 0) |
3615 | status = NFS_ATTR_FATTR_ATIME; | |
1da177e4 LT |
3616 | bitmap[1] &= ~FATTR4_WORD1_TIME_ACCESS; |
3617 | } | |
3110ff80 | 3618 | dprintk("%s: atime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
3619 | return status; |
3620 | } | |
3621 | ||
3622 | static int decode_attr_time_metadata(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
3623 | { | |
3624 | int status = 0; | |
3625 | ||
3626 | time->tv_sec = 0; | |
3627 | time->tv_nsec = 0; | |
3628 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_METADATA - 1U))) | |
3629 | return -EIO; | |
3630 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_METADATA)) { | |
3631 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
3632 | if (status == 0) |
3633 | status = NFS_ATTR_FATTR_CTIME; | |
1da177e4 LT |
3634 | bitmap[1] &= ~FATTR4_WORD1_TIME_METADATA; |
3635 | } | |
3110ff80 | 3636 | dprintk("%s: ctime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
3637 | return status; |
3638 | } | |
3639 | ||
55b6e774 RL |
3640 | static int decode_attr_time_delta(struct xdr_stream *xdr, uint32_t *bitmap, |
3641 | struct timespec *time) | |
3642 | { | |
3643 | int status = 0; | |
3644 | ||
3645 | time->tv_sec = 0; | |
3646 | time->tv_nsec = 0; | |
3647 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_DELTA - 1U))) | |
3648 | return -EIO; | |
3649 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_DELTA)) { | |
3650 | status = decode_attr_time(xdr, time); | |
3651 | bitmap[1] &= ~FATTR4_WORD1_TIME_DELTA; | |
3652 | } | |
3653 | dprintk("%s: time_delta=%ld %ld\n", __func__, (long)time->tv_sec, | |
3654 | (long)time->tv_nsec); | |
3655 | return status; | |
3656 | } | |
3657 | ||
1da177e4 LT |
3658 | static int decode_attr_time_modify(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) |
3659 | { | |
3660 | int status = 0; | |
3661 | ||
3662 | time->tv_sec = 0; | |
3663 | time->tv_nsec = 0; | |
3664 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_MODIFY - 1U))) | |
3665 | return -EIO; | |
3666 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_MODIFY)) { | |
3667 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
3668 | if (status == 0) |
3669 | status = NFS_ATTR_FATTR_MTIME; | |
1da177e4 LT |
3670 | bitmap[1] &= ~FATTR4_WORD1_TIME_MODIFY; |
3671 | } | |
3110ff80 | 3672 | dprintk("%s: mtime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
3673 | return status; |
3674 | } | |
3675 | ||
8687b63a | 3676 | static int verify_attr_len(struct xdr_stream *xdr, __be32 *savep, uint32_t attrlen) |
1da177e4 LT |
3677 | { |
3678 | unsigned int attrwords = XDR_QUADLEN(attrlen); | |
3679 | unsigned int nwords = xdr->p - savep; | |
3680 | ||
3681 | if (unlikely(attrwords != nwords)) { | |
fe82a183 CL |
3682 | dprintk("%s: server returned incorrect attribute length: " |
3683 | "%u %c %u\n", | |
3110ff80 | 3684 | __func__, |
1da177e4 LT |
3685 | attrwords << 2, |
3686 | (attrwords < nwords) ? '<' : '>', | |
3687 | nwords << 2); | |
3688 | return -EIO; | |
3689 | } | |
3690 | return 0; | |
3691 | } | |
3692 | ||
3693 | static int decode_change_info(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
3694 | { | |
8687b63a | 3695 | __be32 *p; |
1da177e4 | 3696 | |
c0eae66e BH |
3697 | p = xdr_inline_decode(xdr, 20); |
3698 | if (unlikely(!p)) | |
3699 | goto out_overflow; | |
6f723f77 | 3700 | cinfo->atomic = be32_to_cpup(p++); |
3ceb4dbb | 3701 | p = xdr_decode_hyper(p, &cinfo->before); |
cccddf4f | 3702 | xdr_decode_hyper(p, &cinfo->after); |
1da177e4 | 3703 | return 0; |
c0eae66e BH |
3704 | out_overflow: |
3705 | print_overflow_msg(__func__, xdr); | |
3706 | return -EIO; | |
1da177e4 LT |
3707 | } |
3708 | ||
3709 | static int decode_access(struct xdr_stream *xdr, struct nfs4_accessres *access) | |
3710 | { | |
8687b63a | 3711 | __be32 *p; |
1da177e4 LT |
3712 | uint32_t supp, acc; |
3713 | int status; | |
3714 | ||
3715 | status = decode_op_hdr(xdr, OP_ACCESS); | |
3716 | if (status) | |
3717 | return status; | |
c0eae66e BH |
3718 | p = xdr_inline_decode(xdr, 8); |
3719 | if (unlikely(!p)) | |
3720 | goto out_overflow; | |
6f723f77 | 3721 | supp = be32_to_cpup(p++); |
cccddf4f | 3722 | acc = be32_to_cpup(p); |
1da177e4 LT |
3723 | access->supported = supp; |
3724 | access->access = acc; | |
3725 | return 0; | |
c0eae66e BH |
3726 | out_overflow: |
3727 | print_overflow_msg(__func__, xdr); | |
3728 | return -EIO; | |
1da177e4 LT |
3729 | } |
3730 | ||
07d30434 | 3731 | static int decode_opaque_fixed(struct xdr_stream *xdr, void *buf, size_t len) |
1da177e4 | 3732 | { |
8687b63a | 3733 | __be32 *p; |
07d30434 BH |
3734 | |
3735 | p = xdr_inline_decode(xdr, len); | |
3736 | if (likely(p)) { | |
3737 | memcpy(buf, p, len); | |
3738 | return 0; | |
3739 | } | |
3740 | print_overflow_msg(__func__, xdr); | |
3741 | return -EIO; | |
3742 | } | |
3743 | ||
3744 | static int decode_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) | |
3745 | { | |
3746 | return decode_opaque_fixed(xdr, stateid->data, NFS4_STATEID_SIZE); | |
3747 | } | |
3748 | ||
3749 | static int decode_close(struct xdr_stream *xdr, struct nfs_closeres *res) | |
3750 | { | |
1da177e4 LT |
3751 | int status; |
3752 | ||
3753 | status = decode_op_hdr(xdr, OP_CLOSE); | |
c1d51931 TM |
3754 | if (status != -EIO) |
3755 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
3756 | if (!status) |
3757 | status = decode_stateid(xdr, &res->stateid); | |
3758 | return status; | |
1da177e4 LT |
3759 | } |
3760 | ||
db942bbd BH |
3761 | static int decode_verifier(struct xdr_stream *xdr, void *verifier) |
3762 | { | |
3763 | return decode_opaque_fixed(xdr, verifier, 8); | |
1da177e4 LT |
3764 | } |
3765 | ||
3766 | static int decode_commit(struct xdr_stream *xdr, struct nfs_writeres *res) | |
3767 | { | |
1da177e4 LT |
3768 | int status; |
3769 | ||
3770 | status = decode_op_hdr(xdr, OP_COMMIT); | |
db942bbd BH |
3771 | if (!status) |
3772 | status = decode_verifier(xdr, res->verf->verifier); | |
3773 | return status; | |
1da177e4 LT |
3774 | } |
3775 | ||
3776 | static int decode_create(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
3777 | { | |
8687b63a | 3778 | __be32 *p; |
1da177e4 LT |
3779 | uint32_t bmlen; |
3780 | int status; | |
3781 | ||
3782 | status = decode_op_hdr(xdr, OP_CREATE); | |
3783 | if (status) | |
3784 | return status; | |
3785 | if ((status = decode_change_info(xdr, cinfo))) | |
3786 | return status; | |
c0eae66e BH |
3787 | p = xdr_inline_decode(xdr, 4); |
3788 | if (unlikely(!p)) | |
3789 | goto out_overflow; | |
cccddf4f | 3790 | bmlen = be32_to_cpup(p); |
c0eae66e BH |
3791 | p = xdr_inline_decode(xdr, bmlen << 2); |
3792 | if (likely(p)) | |
3793 | return 0; | |
3794 | out_overflow: | |
3795 | print_overflow_msg(__func__, xdr); | |
3796 | return -EIO; | |
1da177e4 LT |
3797 | } |
3798 | ||
3799 | static int decode_server_caps(struct xdr_stream *xdr, struct nfs4_server_caps_res *res) | |
3800 | { | |
8687b63a | 3801 | __be32 *savep; |
6c0195a4 | 3802 | uint32_t attrlen, bitmap[2] = {0}; |
1da177e4 LT |
3803 | int status; |
3804 | ||
3805 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
3806 | goto xdr_error; | |
3807 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
3808 | goto xdr_error; | |
3809 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
3810 | goto xdr_error; | |
3811 | if ((status = decode_attr_supported(xdr, bitmap, res->attr_bitmask)) != 0) | |
3812 | goto xdr_error; | |
3813 | if ((status = decode_attr_link_support(xdr, bitmap, &res->has_links)) != 0) | |
3814 | goto xdr_error; | |
3815 | if ((status = decode_attr_symlink_support(xdr, bitmap, &res->has_symlinks)) != 0) | |
3816 | goto xdr_error; | |
3817 | if ((status = decode_attr_aclsupport(xdr, bitmap, &res->acl_bitmask)) != 0) | |
3818 | goto xdr_error; | |
3819 | status = verify_attr_len(xdr, savep, attrlen); | |
3820 | xdr_error: | |
3110ff80 | 3821 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
3822 | return status; |
3823 | } | |
6c0195a4 | 3824 | |
1da177e4 LT |
3825 | static int decode_statfs(struct xdr_stream *xdr, struct nfs_fsstat *fsstat) |
3826 | { | |
8687b63a | 3827 | __be32 *savep; |
6c0195a4 | 3828 | uint32_t attrlen, bitmap[2] = {0}; |
1da177e4 | 3829 | int status; |
6c0195a4 | 3830 | |
1da177e4 LT |
3831 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
3832 | goto xdr_error; | |
3833 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
3834 | goto xdr_error; | |
3835 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
3836 | goto xdr_error; | |
3837 | ||
3838 | if ((status = decode_attr_files_avail(xdr, bitmap, &fsstat->afiles)) != 0) | |
3839 | goto xdr_error; | |
3840 | if ((status = decode_attr_files_free(xdr, bitmap, &fsstat->ffiles)) != 0) | |
3841 | goto xdr_error; | |
3842 | if ((status = decode_attr_files_total(xdr, bitmap, &fsstat->tfiles)) != 0) | |
3843 | goto xdr_error; | |
3844 | if ((status = decode_attr_space_avail(xdr, bitmap, &fsstat->abytes)) != 0) | |
3845 | goto xdr_error; | |
3846 | if ((status = decode_attr_space_free(xdr, bitmap, &fsstat->fbytes)) != 0) | |
3847 | goto xdr_error; | |
3848 | if ((status = decode_attr_space_total(xdr, bitmap, &fsstat->tbytes)) != 0) | |
3849 | goto xdr_error; | |
3850 | ||
3851 | status = verify_attr_len(xdr, savep, attrlen); | |
3852 | xdr_error: | |
3110ff80 | 3853 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
3854 | return status; |
3855 | } | |
3856 | ||
3857 | static int decode_pathconf(struct xdr_stream *xdr, struct nfs_pathconf *pathconf) | |
3858 | { | |
8687b63a | 3859 | __be32 *savep; |
6c0195a4 | 3860 | uint32_t attrlen, bitmap[2] = {0}; |
1da177e4 | 3861 | int status; |
6c0195a4 | 3862 | |
1da177e4 LT |
3863 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
3864 | goto xdr_error; | |
3865 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
3866 | goto xdr_error; | |
3867 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
3868 | goto xdr_error; | |
3869 | ||
3870 | if ((status = decode_attr_maxlink(xdr, bitmap, &pathconf->max_link)) != 0) | |
3871 | goto xdr_error; | |
3872 | if ((status = decode_attr_maxname(xdr, bitmap, &pathconf->max_namelen)) != 0) | |
3873 | goto xdr_error; | |
3874 | ||
3875 | status = verify_attr_len(xdr, savep, attrlen); | |
3876 | xdr_error: | |
3110ff80 | 3877 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
3878 | return status; |
3879 | } | |
3880 | ||
ae42c70a BS |
3881 | static int decode_getfattr_attrs(struct xdr_stream *xdr, uint32_t *bitmap, |
3882 | struct nfs_fattr *fattr, struct nfs_fh *fh, | |
80e52ace | 3883 | const struct nfs_server *server, int may_sleep) |
1da177e4 | 3884 | { |
bca79478 TM |
3885 | int status; |
3886 | umode_t fmode = 0; | |
99baf625 | 3887 | uint64_t fileid; |
ae42c70a | 3888 | uint32_t type; |
1da177e4 | 3889 | |
f26c7a78 TM |
3890 | status = decode_attr_type(xdr, bitmap, &type); |
3891 | if (status < 0) | |
1da177e4 | 3892 | goto xdr_error; |
409924e4 TM |
3893 | fattr->mode = 0; |
3894 | if (status != 0) { | |
3895 | fattr->mode |= nfs_type2fmt[type]; | |
3896 | fattr->valid |= status; | |
3897 | } | |
1da177e4 | 3898 | |
f26c7a78 TM |
3899 | status = decode_attr_change(xdr, bitmap, &fattr->change_attr); |
3900 | if (status < 0) | |
1da177e4 | 3901 | goto xdr_error; |
409924e4 | 3902 | fattr->valid |= status; |
f26c7a78 TM |
3903 | |
3904 | status = decode_attr_size(xdr, bitmap, &fattr->size); | |
3905 | if (status < 0) | |
1da177e4 | 3906 | goto xdr_error; |
409924e4 | 3907 | fattr->valid |= status; |
f26c7a78 TM |
3908 | |
3909 | status = decode_attr_fsid(xdr, bitmap, &fattr->fsid); | |
3910 | if (status < 0) | |
1da177e4 | 3911 | goto xdr_error; |
409924e4 | 3912 | fattr->valid |= status; |
f26c7a78 | 3913 | |
ae42c70a BS |
3914 | status = decode_attr_error(xdr, bitmap); |
3915 | if (status < 0) | |
3916 | goto xdr_error; | |
3917 | ||
3918 | status = decode_attr_filehandle(xdr, bitmap, fh); | |
3919 | if (status < 0) | |
3920 | goto xdr_error; | |
3921 | ||
f26c7a78 TM |
3922 | status = decode_attr_fileid(xdr, bitmap, &fattr->fileid); |
3923 | if (status < 0) | |
1da177e4 | 3924 | goto xdr_error; |
409924e4 | 3925 | fattr->valid |= status; |
f26c7a78 TM |
3926 | |
3927 | status = decode_attr_fs_locations(xdr, bitmap, container_of(fattr, | |
7aaa0b3b | 3928 | struct nfs4_fs_locations, |
f26c7a78 TM |
3929 | fattr)); |
3930 | if (status < 0) | |
683b57b4 | 3931 | goto xdr_error; |
409924e4 | 3932 | fattr->valid |= status; |
f26c7a78 TM |
3933 | |
3934 | status = decode_attr_mode(xdr, bitmap, &fmode); | |
3935 | if (status < 0) | |
1da177e4 | 3936 | goto xdr_error; |
409924e4 TM |
3937 | if (status != 0) { |
3938 | fattr->mode |= fmode; | |
3939 | fattr->valid |= status; | |
3940 | } | |
f26c7a78 TM |
3941 | |
3942 | status = decode_attr_nlink(xdr, bitmap, &fattr->nlink); | |
3943 | if (status < 0) | |
1da177e4 | 3944 | goto xdr_error; |
409924e4 | 3945 | fattr->valid |= status; |
f26c7a78 | 3946 | |
e4fd72a1 | 3947 | status = decode_attr_owner(xdr, bitmap, server, &fattr->uid, may_sleep); |
f26c7a78 | 3948 | if (status < 0) |
1da177e4 | 3949 | goto xdr_error; |
409924e4 | 3950 | fattr->valid |= status; |
f26c7a78 | 3951 | |
e4fd72a1 | 3952 | status = decode_attr_group(xdr, bitmap, server, &fattr->gid, may_sleep); |
f26c7a78 | 3953 | if (status < 0) |
1da177e4 | 3954 | goto xdr_error; |
409924e4 | 3955 | fattr->valid |= status; |
f26c7a78 TM |
3956 | |
3957 | status = decode_attr_rdev(xdr, bitmap, &fattr->rdev); | |
3958 | if (status < 0) | |
1da177e4 | 3959 | goto xdr_error; |
409924e4 | 3960 | fattr->valid |= status; |
f26c7a78 TM |
3961 | |
3962 | status = decode_attr_space_used(xdr, bitmap, &fattr->du.nfs3.used); | |
3963 | if (status < 0) | |
1da177e4 | 3964 | goto xdr_error; |
409924e4 | 3965 | fattr->valid |= status; |
f26c7a78 TM |
3966 | |
3967 | status = decode_attr_time_access(xdr, bitmap, &fattr->atime); | |
3968 | if (status < 0) | |
1da177e4 | 3969 | goto xdr_error; |
409924e4 | 3970 | fattr->valid |= status; |
f26c7a78 TM |
3971 | |
3972 | status = decode_attr_time_metadata(xdr, bitmap, &fattr->ctime); | |
3973 | if (status < 0) | |
1da177e4 | 3974 | goto xdr_error; |
409924e4 | 3975 | fattr->valid |= status; |
f26c7a78 TM |
3976 | |
3977 | status = decode_attr_time_modify(xdr, bitmap, &fattr->mtime); | |
3978 | if (status < 0) | |
1da177e4 | 3979 | goto xdr_error; |
409924e4 | 3980 | fattr->valid |= status; |
f26c7a78 TM |
3981 | |
3982 | status = decode_attr_mounted_on_fileid(xdr, bitmap, &fileid); | |
3983 | if (status < 0) | |
99baf625 | 3984 | goto xdr_error; |
3201f3dd | 3985 | if (status != 0 && !(fattr->valid & status)) { |
99baf625 | 3986 | fattr->fileid = fileid; |
409924e4 TM |
3987 | fattr->valid |= status; |
3988 | } | |
f26c7a78 | 3989 | |
ae42c70a BS |
3990 | xdr_error: |
3991 | dprintk("%s: xdr returned %d\n", __func__, -status); | |
3992 | return status; | |
3993 | } | |
3994 | ||
3995 | static int decode_getfattr_generic(struct xdr_stream *xdr, struct nfs_fattr *fattr, | |
3996 | struct nfs_fh *fh, const struct nfs_server *server, int may_sleep) | |
3997 | { | |
3998 | __be32 *savep; | |
3999 | uint32_t attrlen, | |
4000 | bitmap[2] = {0}; | |
4001 | int status; | |
4002 | ||
4003 | status = decode_op_hdr(xdr, OP_GETATTR); | |
4004 | if (status < 0) | |
4005 | goto xdr_error; | |
4006 | ||
4007 | status = decode_attr_bitmap(xdr, bitmap); | |
4008 | if (status < 0) | |
4009 | goto xdr_error; | |
4010 | ||
4011 | status = decode_attr_length(xdr, &attrlen, &savep); | |
4012 | if (status < 0) | |
4013 | goto xdr_error; | |
4014 | ||
4015 | status = decode_getfattr_attrs(xdr, bitmap, fattr, fh, server, may_sleep); | |
4016 | if (status < 0) | |
4017 | goto xdr_error; | |
4018 | ||
f26c7a78 | 4019 | status = verify_attr_len(xdr, savep, attrlen); |
1da177e4 | 4020 | xdr_error: |
3110ff80 | 4021 | dprintk("%s: xdr returned %d\n", __func__, -status); |
1da177e4 LT |
4022 | return status; |
4023 | } | |
4024 | ||
ae42c70a BS |
4025 | static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr, |
4026 | const struct nfs_server *server, int may_sleep) | |
4027 | { | |
4028 | return decode_getfattr_generic(xdr, fattr, NULL, server, may_sleep); | |
4029 | } | |
1da177e4 | 4030 | |
504913fb AA |
4031 | /* |
4032 | * Decode potentially multiple layout types. Currently we only support | |
4033 | * one layout driver per file system. | |
4034 | */ | |
4035 | static int decode_first_pnfs_layout_type(struct xdr_stream *xdr, | |
4036 | uint32_t *layouttype) | |
4037 | { | |
4038 | uint32_t *p; | |
4039 | int num; | |
4040 | ||
4041 | p = xdr_inline_decode(xdr, 4); | |
4042 | if (unlikely(!p)) | |
4043 | goto out_overflow; | |
4044 | num = be32_to_cpup(p); | |
4045 | ||
4046 | /* pNFS is not supported by the underlying file system */ | |
4047 | if (num == 0) { | |
4048 | *layouttype = 0; | |
4049 | return 0; | |
4050 | } | |
4051 | if (num > 1) | |
4052 | printk(KERN_INFO "%s: Warning: Multiple pNFS layout drivers " | |
4053 | "per filesystem not supported\n", __func__); | |
4054 | ||
4055 | /* Decode and set first layout type, move xdr->p past unused types */ | |
4056 | p = xdr_inline_decode(xdr, num * 4); | |
4057 | if (unlikely(!p)) | |
4058 | goto out_overflow; | |
4059 | *layouttype = be32_to_cpup(p); | |
4060 | return 0; | |
4061 | out_overflow: | |
4062 | print_overflow_msg(__func__, xdr); | |
4063 | return -EIO; | |
4064 | } | |
4065 | ||
4066 | /* | |
4067 | * The type of file system exported. | |
4068 | * Note we must ensure that layouttype is set in any non-error case. | |
4069 | */ | |
4070 | static int decode_attr_pnfstype(struct xdr_stream *xdr, uint32_t *bitmap, | |
4071 | uint32_t *layouttype) | |
4072 | { | |
4073 | int status = 0; | |
4074 | ||
4075 | dprintk("%s: bitmap is %x\n", __func__, bitmap[1]); | |
4076 | if (unlikely(bitmap[1] & (FATTR4_WORD1_FS_LAYOUT_TYPES - 1U))) | |
4077 | return -EIO; | |
4078 | if (bitmap[1] & FATTR4_WORD1_FS_LAYOUT_TYPES) { | |
4079 | status = decode_first_pnfs_layout_type(xdr, layouttype); | |
4080 | bitmap[1] &= ~FATTR4_WORD1_FS_LAYOUT_TYPES; | |
4081 | } else | |
4082 | *layouttype = 0; | |
4083 | return status; | |
4084 | } | |
4085 | ||
1da177e4 LT |
4086 | static int decode_fsinfo(struct xdr_stream *xdr, struct nfs_fsinfo *fsinfo) |
4087 | { | |
8687b63a | 4088 | __be32 *savep; |
1da177e4 LT |
4089 | uint32_t attrlen, bitmap[2]; |
4090 | int status; | |
4091 | ||
4092 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
4093 | goto xdr_error; | |
4094 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4095 | goto xdr_error; | |
4096 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4097 | goto xdr_error; | |
4098 | ||
4099 | fsinfo->rtmult = fsinfo->wtmult = 512; /* ??? */ | |
4100 | ||
4101 | if ((status = decode_attr_lease_time(xdr, bitmap, &fsinfo->lease_time)) != 0) | |
4102 | goto xdr_error; | |
4103 | if ((status = decode_attr_maxfilesize(xdr, bitmap, &fsinfo->maxfilesize)) != 0) | |
4104 | goto xdr_error; | |
4105 | if ((status = decode_attr_maxread(xdr, bitmap, &fsinfo->rtmax)) != 0) | |
4106 | goto xdr_error; | |
4107 | fsinfo->rtpref = fsinfo->dtpref = fsinfo->rtmax; | |
4108 | if ((status = decode_attr_maxwrite(xdr, bitmap, &fsinfo->wtmax)) != 0) | |
4109 | goto xdr_error; | |
4110 | fsinfo->wtpref = fsinfo->wtmax; | |
55b6e774 | 4111 | status = decode_attr_time_delta(xdr, bitmap, &fsinfo->time_delta); |
504913fb AA |
4112 | if (status != 0) |
4113 | goto xdr_error; | |
4114 | status = decode_attr_pnfstype(xdr, bitmap, &fsinfo->layouttype); | |
55b6e774 RL |
4115 | if (status != 0) |
4116 | goto xdr_error; | |
1da177e4 LT |
4117 | |
4118 | status = verify_attr_len(xdr, savep, attrlen); | |
4119 | xdr_error: | |
3110ff80 | 4120 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4121 | return status; |
4122 | } | |
4123 | ||
4124 | static int decode_getfh(struct xdr_stream *xdr, struct nfs_fh *fh) | |
4125 | { | |
8687b63a | 4126 | __be32 *p; |
1da177e4 LT |
4127 | uint32_t len; |
4128 | int status; | |
4129 | ||
9936781d TM |
4130 | /* Zero handle first to allow comparisons */ |
4131 | memset(fh, 0, sizeof(*fh)); | |
4132 | ||
1da177e4 LT |
4133 | status = decode_op_hdr(xdr, OP_GETFH); |
4134 | if (status) | |
4135 | return status; | |
1da177e4 | 4136 | |
c0eae66e BH |
4137 | p = xdr_inline_decode(xdr, 4); |
4138 | if (unlikely(!p)) | |
4139 | goto out_overflow; | |
cccddf4f | 4140 | len = be32_to_cpup(p); |
1da177e4 LT |
4141 | if (len > NFS4_FHSIZE) |
4142 | return -EIO; | |
4143 | fh->size = len; | |
c0eae66e BH |
4144 | p = xdr_inline_decode(xdr, len); |
4145 | if (unlikely(!p)) | |
4146 | goto out_overflow; | |
99398d06 | 4147 | memcpy(fh->data, p, len); |
1da177e4 | 4148 | return 0; |
c0eae66e BH |
4149 | out_overflow: |
4150 | print_overflow_msg(__func__, xdr); | |
4151 | return -EIO; | |
1da177e4 LT |
4152 | } |
4153 | ||
4154 | static int decode_link(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4155 | { | |
4156 | int status; | |
6c0195a4 | 4157 | |
1da177e4 LT |
4158 | status = decode_op_hdr(xdr, OP_LINK); |
4159 | if (status) | |
4160 | return status; | |
4161 | return decode_change_info(xdr, cinfo); | |
4162 | } | |
4163 | ||
4164 | /* | |
4165 | * We create the owner, so we know a proper owner.id length is 4. | |
4166 | */ | |
911d1aaf | 4167 | static int decode_lock_denied (struct xdr_stream *xdr, struct file_lock *fl) |
1da177e4 | 4168 | { |
911d1aaf | 4169 | uint64_t offset, length, clientid; |
8687b63a | 4170 | __be32 *p; |
911d1aaf | 4171 | uint32_t namelen, type; |
1da177e4 | 4172 | |
babddc72 | 4173 | p = xdr_inline_decode(xdr, 32); /* read 32 bytes */ |
c0eae66e BH |
4174 | if (unlikely(!p)) |
4175 | goto out_overflow; | |
babddc72 | 4176 | p = xdr_decode_hyper(p, &offset); /* read 2 8-byte long words */ |
3ceb4dbb | 4177 | p = xdr_decode_hyper(p, &length); |
babddc72 BS |
4178 | type = be32_to_cpup(p++); /* 4 byte read */ |
4179 | if (fl != NULL) { /* manipulate file lock */ | |
911d1aaf TM |
4180 | fl->fl_start = (loff_t)offset; |
4181 | fl->fl_end = fl->fl_start + (loff_t)length - 1; | |
4182 | if (length == ~(uint64_t)0) | |
4183 | fl->fl_end = OFFSET_MAX; | |
4184 | fl->fl_type = F_WRLCK; | |
4185 | if (type & 1) | |
4186 | fl->fl_type = F_RDLCK; | |
4187 | fl->fl_pid = 0; | |
4188 | } | |
babddc72 BS |
4189 | p = xdr_decode_hyper(p, &clientid); /* read 8 bytes */ |
4190 | namelen = be32_to_cpup(p); /* read 4 bytes */ /* have read all 32 bytes now */ | |
4191 | p = xdr_inline_decode(xdr, namelen); /* variable size field */ | |
c0eae66e BH |
4192 | if (likely(p)) |
4193 | return -NFS4ERR_DENIED; | |
4194 | out_overflow: | |
4195 | print_overflow_msg(__func__, xdr); | |
4196 | return -EIO; | |
1da177e4 LT |
4197 | } |
4198 | ||
911d1aaf | 4199 | static int decode_lock(struct xdr_stream *xdr, struct nfs_lock_res *res) |
1da177e4 | 4200 | { |
1da177e4 LT |
4201 | int status; |
4202 | ||
4203 | status = decode_op_hdr(xdr, OP_LOCK); | |
c1d51931 TM |
4204 | if (status == -EIO) |
4205 | goto out; | |
1da177e4 | 4206 | if (status == 0) { |
07d30434 BH |
4207 | status = decode_stateid(xdr, &res->stateid); |
4208 | if (unlikely(status)) | |
4209 | goto out; | |
1da177e4 | 4210 | } else if (status == -NFS4ERR_DENIED) |
c1d51931 TM |
4211 | status = decode_lock_denied(xdr, NULL); |
4212 | if (res->open_seqid != NULL) | |
4213 | nfs_increment_open_seqid(status, res->open_seqid); | |
4214 | nfs_increment_lock_seqid(status, res->lock_seqid); | |
4215 | out: | |
1da177e4 LT |
4216 | return status; |
4217 | } | |
4218 | ||
911d1aaf | 4219 | static int decode_lockt(struct xdr_stream *xdr, struct nfs_lockt_res *res) |
1da177e4 LT |
4220 | { |
4221 | int status; | |
4222 | status = decode_op_hdr(xdr, OP_LOCKT); | |
4223 | if (status == -NFS4ERR_DENIED) | |
911d1aaf | 4224 | return decode_lock_denied(xdr, res->denied); |
1da177e4 LT |
4225 | return status; |
4226 | } | |
4227 | ||
911d1aaf | 4228 | static int decode_locku(struct xdr_stream *xdr, struct nfs_locku_res *res) |
1da177e4 | 4229 | { |
1da177e4 LT |
4230 | int status; |
4231 | ||
4232 | status = decode_op_hdr(xdr, OP_LOCKU); | |
c1d51931 TM |
4233 | if (status != -EIO) |
4234 | nfs_increment_lock_seqid(status, res->seqid); | |
07d30434 BH |
4235 | if (status == 0) |
4236 | status = decode_stateid(xdr, &res->stateid); | |
1da177e4 LT |
4237 | return status; |
4238 | } | |
4239 | ||
d3c7b7cc TM |
4240 | static int decode_release_lockowner(struct xdr_stream *xdr) |
4241 | { | |
4242 | return decode_op_hdr(xdr, OP_RELEASE_LOCKOWNER); | |
4243 | } | |
4244 | ||
1da177e4 LT |
4245 | static int decode_lookup(struct xdr_stream *xdr) |
4246 | { | |
4247 | return decode_op_hdr(xdr, OP_LOOKUP); | |
4248 | } | |
4249 | ||
4250 | /* This is too sick! */ | |
4251 | static int decode_space_limit(struct xdr_stream *xdr, u64 *maxsize) | |
4252 | { | |
05d564fe | 4253 | __be32 *p; |
1da177e4 LT |
4254 | uint32_t limit_type, nblocks, blocksize; |
4255 | ||
c0eae66e BH |
4256 | p = xdr_inline_decode(xdr, 12); |
4257 | if (unlikely(!p)) | |
4258 | goto out_overflow; | |
6f723f77 | 4259 | limit_type = be32_to_cpup(p++); |
1da177e4 | 4260 | switch (limit_type) { |
05d564fe | 4261 | case 1: |
cccddf4f | 4262 | xdr_decode_hyper(p, maxsize); |
05d564fe AA |
4263 | break; |
4264 | case 2: | |
6f723f77 | 4265 | nblocks = be32_to_cpup(p++); |
cccddf4f | 4266 | blocksize = be32_to_cpup(p); |
05d564fe | 4267 | *maxsize = (uint64_t)nblocks * (uint64_t)blocksize; |
1da177e4 LT |
4268 | } |
4269 | return 0; | |
c0eae66e BH |
4270 | out_overflow: |
4271 | print_overflow_msg(__func__, xdr); | |
4272 | return -EIO; | |
1da177e4 LT |
4273 | } |
4274 | ||
4275 | static int decode_delegation(struct xdr_stream *xdr, struct nfs_openres *res) | |
4276 | { | |
05d564fe AA |
4277 | __be32 *p; |
4278 | uint32_t delegation_type; | |
07d30434 | 4279 | int status; |
1da177e4 | 4280 | |
c0eae66e BH |
4281 | p = xdr_inline_decode(xdr, 4); |
4282 | if (unlikely(!p)) | |
4283 | goto out_overflow; | |
cccddf4f | 4284 | delegation_type = be32_to_cpup(p); |
1da177e4 LT |
4285 | if (delegation_type == NFS4_OPEN_DELEGATE_NONE) { |
4286 | res->delegation_type = 0; | |
4287 | return 0; | |
4288 | } | |
07d30434 BH |
4289 | status = decode_stateid(xdr, &res->delegation); |
4290 | if (unlikely(status)) | |
4291 | return status; | |
c0eae66e BH |
4292 | p = xdr_inline_decode(xdr, 4); |
4293 | if (unlikely(!p)) | |
4294 | goto out_overflow; | |
cccddf4f | 4295 | res->do_recall = be32_to_cpup(p); |
05d564fe | 4296 | |
1da177e4 | 4297 | switch (delegation_type) { |
05d564fe AA |
4298 | case NFS4_OPEN_DELEGATE_READ: |
4299 | res->delegation_type = FMODE_READ; | |
4300 | break; | |
4301 | case NFS4_OPEN_DELEGATE_WRITE: | |
4302 | res->delegation_type = FMODE_WRITE|FMODE_READ; | |
4303 | if (decode_space_limit(xdr, &res->maxsize) < 0) | |
1da177e4 LT |
4304 | return -EIO; |
4305 | } | |
7539bbab | 4306 | return decode_ace(xdr, NULL, res->server->nfs_client); |
c0eae66e BH |
4307 | out_overflow: |
4308 | print_overflow_msg(__func__, xdr); | |
4309 | return -EIO; | |
1da177e4 LT |
4310 | } |
4311 | ||
4312 | static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res) | |
4313 | { | |
05d564fe | 4314 | __be32 *p; |
aa53ed54 | 4315 | uint32_t savewords, bmlen, i; |
05d564fe | 4316 | int status; |
1da177e4 | 4317 | |
05d564fe | 4318 | status = decode_op_hdr(xdr, OP_OPEN); |
c1d51931 TM |
4319 | if (status != -EIO) |
4320 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4321 | if (!status) |
4322 | status = decode_stateid(xdr, &res->stateid); | |
4323 | if (unlikely(status)) | |
05d564fe | 4324 | return status; |
1da177e4 | 4325 | |
05d564fe | 4326 | decode_change_info(xdr, &res->cinfo); |
1da177e4 | 4327 | |
c0eae66e BH |
4328 | p = xdr_inline_decode(xdr, 8); |
4329 | if (unlikely(!p)) | |
4330 | goto out_overflow; | |
6f723f77 | 4331 | res->rflags = be32_to_cpup(p++); |
cccddf4f | 4332 | bmlen = be32_to_cpup(p); |
05d564fe AA |
4333 | if (bmlen > 10) |
4334 | goto xdr_error; | |
1da177e4 | 4335 | |
c0eae66e BH |
4336 | p = xdr_inline_decode(xdr, bmlen << 2); |
4337 | if (unlikely(!p)) | |
4338 | goto out_overflow; | |
aa53ed54 JL |
4339 | savewords = min_t(uint32_t, bmlen, NFS4_BITMAP_SIZE); |
4340 | for (i = 0; i < savewords; ++i) | |
6f723f77 | 4341 | res->attrset[i] = be32_to_cpup(p++); |
aa53ed54 JL |
4342 | for (; i < NFS4_BITMAP_SIZE; i++) |
4343 | res->attrset[i] = 0; | |
4344 | ||
1da177e4 LT |
4345 | return decode_delegation(xdr, res); |
4346 | xdr_error: | |
3110ff80 | 4347 | dprintk("%s: Bitmap too large! Length = %u\n", __func__, bmlen); |
1da177e4 | 4348 | return -EIO; |
c0eae66e BH |
4349 | out_overflow: |
4350 | print_overflow_msg(__func__, xdr); | |
4351 | return -EIO; | |
1da177e4 LT |
4352 | } |
4353 | ||
4354 | static int decode_open_confirm(struct xdr_stream *xdr, struct nfs_open_confirmres *res) | |
4355 | { | |
1da177e4 LT |
4356 | int status; |
4357 | ||
05d564fe | 4358 | status = decode_op_hdr(xdr, OP_OPEN_CONFIRM); |
c1d51931 TM |
4359 | if (status != -EIO) |
4360 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4361 | if (!status) |
4362 | status = decode_stateid(xdr, &res->stateid); | |
4363 | return status; | |
1da177e4 LT |
4364 | } |
4365 | ||
4366 | static int decode_open_downgrade(struct xdr_stream *xdr, struct nfs_closeres *res) | |
4367 | { | |
1da177e4 LT |
4368 | int status; |
4369 | ||
4370 | status = decode_op_hdr(xdr, OP_OPEN_DOWNGRADE); | |
c1d51931 TM |
4371 | if (status != -EIO) |
4372 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4373 | if (!status) |
4374 | status = decode_stateid(xdr, &res->stateid); | |
4375 | return status; | |
1da177e4 LT |
4376 | } |
4377 | ||
4378 | static int decode_putfh(struct xdr_stream *xdr) | |
4379 | { | |
4380 | return decode_op_hdr(xdr, OP_PUTFH); | |
4381 | } | |
4382 | ||
4383 | static int decode_putrootfh(struct xdr_stream *xdr) | |
4384 | { | |
4385 | return decode_op_hdr(xdr, OP_PUTROOTFH); | |
4386 | } | |
4387 | ||
4388 | static int decode_read(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs_readres *res) | |
4389 | { | |
4390 | struct kvec *iov = req->rq_rcv_buf.head; | |
8687b63a | 4391 | __be32 *p; |
1da177e4 LT |
4392 | uint32_t count, eof, recvd, hdrlen; |
4393 | int status; | |
4394 | ||
4395 | status = decode_op_hdr(xdr, OP_READ); | |
4396 | if (status) | |
4397 | return status; | |
c0eae66e BH |
4398 | p = xdr_inline_decode(xdr, 8); |
4399 | if (unlikely(!p)) | |
4400 | goto out_overflow; | |
6f723f77 | 4401 | eof = be32_to_cpup(p++); |
cccddf4f | 4402 | count = be32_to_cpup(p); |
8111f373 | 4403 | hdrlen = (u8 *) xdr->p - (u8 *) iov->iov_base; |
1da177e4 LT |
4404 | recvd = req->rq_rcv_buf.len - hdrlen; |
4405 | if (count > recvd) { | |
fe82a183 | 4406 | dprintk("NFS: server cheating in read reply: " |
1da177e4 LT |
4407 | "count %u > recvd %u\n", count, recvd); |
4408 | count = recvd; | |
4409 | eof = 0; | |
4410 | } | |
4411 | xdr_read_pages(xdr, count); | |
4412 | res->eof = eof; | |
4413 | res->count = count; | |
4414 | return 0; | |
c0eae66e BH |
4415 | out_overflow: |
4416 | print_overflow_msg(__func__, xdr); | |
4417 | return -EIO; | |
1da177e4 LT |
4418 | } |
4419 | ||
4420 | static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs4_readdir_res *readdir) | |
4421 | { | |
4422 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; | |
1da177e4 | 4423 | struct kvec *iov = rcvbuf->head; |
bcecff77 CL |
4424 | size_t hdrlen; |
4425 | u32 recvd, pglen = rcvbuf->page_len; | |
bcecff77 | 4426 | int status; |
1da177e4 LT |
4427 | |
4428 | status = decode_op_hdr(xdr, OP_READDIR); | |
db942bbd BH |
4429 | if (!status) |
4430 | status = decode_verifier(xdr, readdir->verifier.data); | |
4431 | if (unlikely(status)) | |
1da177e4 | 4432 | return status; |
44109241 FI |
4433 | dprintk("%s: verifier = %08x:%08x\n", |
4434 | __func__, | |
eadf4598 TM |
4435 | ((u32 *)readdir->verifier.data)[0], |
4436 | ((u32 *)readdir->verifier.data)[1]); | |
4437 | ||
1da177e4 | 4438 | |
db942bbd | 4439 | hdrlen = (char *) xdr->p - (char *) iov->iov_base; |
1da177e4 LT |
4440 | recvd = rcvbuf->len - hdrlen; |
4441 | if (pglen > recvd) | |
4442 | pglen = recvd; | |
4443 | xdr_read_pages(xdr, pglen); | |
4444 | ||
afa8ccc9 | 4445 | |
ac396128 | 4446 | return pglen; |
1da177e4 LT |
4447 | } |
4448 | ||
4449 | static int decode_readlink(struct xdr_stream *xdr, struct rpc_rqst *req) | |
4450 | { | |
4451 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; | |
4452 | struct kvec *iov = rcvbuf->head; | |
bcecff77 CL |
4453 | size_t hdrlen; |
4454 | u32 len, recvd; | |
8687b63a | 4455 | __be32 *p; |
1da177e4 LT |
4456 | int status; |
4457 | ||
4458 | status = decode_op_hdr(xdr, OP_READLINK); | |
4459 | if (status) | |
4460 | return status; | |
4461 | ||
4462 | /* Convert length of symlink */ | |
c0eae66e BH |
4463 | p = xdr_inline_decode(xdr, 4); |
4464 | if (unlikely(!p)) | |
4465 | goto out_overflow; | |
cccddf4f | 4466 | len = be32_to_cpup(p); |
1da177e4 | 4467 | if (len >= rcvbuf->page_len || len <= 0) { |
fe82a183 | 4468 | dprintk("nfs: server returned giant symlink!\n"); |
1da177e4 LT |
4469 | return -ENAMETOOLONG; |
4470 | } | |
4471 | hdrlen = (char *) xdr->p - (char *) iov->iov_base; | |
4472 | recvd = req->rq_rcv_buf.len - hdrlen; | |
4473 | if (recvd < len) { | |
fe82a183 | 4474 | dprintk("NFS: server cheating in readlink reply: " |
1da177e4 LT |
4475 | "count %u > recvd %u\n", len, recvd); |
4476 | return -EIO; | |
4477 | } | |
4478 | xdr_read_pages(xdr, len); | |
4479 | /* | |
4480 | * The XDR encode routine has set things up so that | |
4481 | * the link text will be copied directly into the | |
4482 | * buffer. We just have to do overflow-checking, | |
4483 | * and and null-terminate the text (the VFS expects | |
4484 | * null-termination). | |
4485 | */ | |
b4687da7 | 4486 | xdr_terminate_string(rcvbuf, len); |
1da177e4 | 4487 | return 0; |
c0eae66e BH |
4488 | out_overflow: |
4489 | print_overflow_msg(__func__, xdr); | |
4490 | return -EIO; | |
1da177e4 LT |
4491 | } |
4492 | ||
4493 | static int decode_remove(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4494 | { | |
4495 | int status; | |
4496 | ||
4497 | status = decode_op_hdr(xdr, OP_REMOVE); | |
4498 | if (status) | |
4499 | goto out; | |
4500 | status = decode_change_info(xdr, cinfo); | |
4501 | out: | |
4502 | return status; | |
4503 | } | |
4504 | ||
4505 | static int decode_rename(struct xdr_stream *xdr, struct nfs4_change_info *old_cinfo, | |
4506 | struct nfs4_change_info *new_cinfo) | |
4507 | { | |
4508 | int status; | |
4509 | ||
4510 | status = decode_op_hdr(xdr, OP_RENAME); | |
4511 | if (status) | |
4512 | goto out; | |
4513 | if ((status = decode_change_info(xdr, old_cinfo))) | |
4514 | goto out; | |
4515 | status = decode_change_info(xdr, new_cinfo); | |
4516 | out: | |
4517 | return status; | |
4518 | } | |
4519 | ||
4520 | static int decode_renew(struct xdr_stream *xdr) | |
4521 | { | |
4522 | return decode_op_hdr(xdr, OP_RENEW); | |
4523 | } | |
4524 | ||
56ae19f3 TM |
4525 | static int |
4526 | decode_restorefh(struct xdr_stream *xdr) | |
4527 | { | |
4528 | return decode_op_hdr(xdr, OP_RESTOREFH); | |
4529 | } | |
4530 | ||
029d105e BF |
4531 | static int decode_getacl(struct xdr_stream *xdr, struct rpc_rqst *req, |
4532 | size_t *acl_len) | |
4533 | { | |
8687b63a | 4534 | __be32 *savep; |
029d105e BF |
4535 | uint32_t attrlen, |
4536 | bitmap[2] = {0}; | |
4537 | struct kvec *iov = req->rq_rcv_buf.head; | |
4538 | int status; | |
4539 | ||
4540 | *acl_len = 0; | |
4541 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
4542 | goto out; | |
4543 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4544 | goto out; | |
4545 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4546 | goto out; | |
4547 | ||
4548 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACL - 1U))) | |
4549 | return -EIO; | |
4550 | if (likely(bitmap[0] & FATTR4_WORD0_ACL)) { | |
bcecff77 CL |
4551 | size_t hdrlen; |
4552 | u32 recvd; | |
029d105e BF |
4553 | |
4554 | /* We ignore &savep and don't do consistency checks on | |
4555 | * the attr length. Let userspace figure it out.... */ | |
4556 | hdrlen = (u8 *)xdr->p - (u8 *)iov->iov_base; | |
4557 | recvd = req->rq_rcv_buf.len - hdrlen; | |
4558 | if (attrlen > recvd) { | |
fe82a183 | 4559 | dprintk("NFS: server cheating in getattr" |
029d105e BF |
4560 | " acl reply: attrlen %u > recvd %u\n", |
4561 | attrlen, recvd); | |
4562 | return -EINVAL; | |
4563 | } | |
c04871e6 | 4564 | xdr_read_pages(xdr, attrlen); |
029d105e | 4565 | *acl_len = attrlen; |
8c233cf9 BF |
4566 | } else |
4567 | status = -EOPNOTSUPP; | |
029d105e BF |
4568 | |
4569 | out: | |
4570 | return status; | |
4571 | } | |
4572 | ||
1da177e4 LT |
4573 | static int |
4574 | decode_savefh(struct xdr_stream *xdr) | |
4575 | { | |
4576 | return decode_op_hdr(xdr, OP_SAVEFH); | |
4577 | } | |
4578 | ||
9e9ecc03 | 4579 | static int decode_setattr(struct xdr_stream *xdr) |
1da177e4 | 4580 | { |
8687b63a | 4581 | __be32 *p; |
1da177e4 LT |
4582 | uint32_t bmlen; |
4583 | int status; | |
4584 | ||
1da177e4 LT |
4585 | status = decode_op_hdr(xdr, OP_SETATTR); |
4586 | if (status) | |
4587 | return status; | |
c0eae66e BH |
4588 | p = xdr_inline_decode(xdr, 4); |
4589 | if (unlikely(!p)) | |
4590 | goto out_overflow; | |
cccddf4f | 4591 | bmlen = be32_to_cpup(p); |
c0eae66e BH |
4592 | p = xdr_inline_decode(xdr, bmlen << 2); |
4593 | if (likely(p)) | |
4594 | return 0; | |
4595 | out_overflow: | |
4596 | print_overflow_msg(__func__, xdr); | |
4597 | return -EIO; | |
1da177e4 LT |
4598 | } |
4599 | ||
bb8b27e5 | 4600 | static int decode_setclientid(struct xdr_stream *xdr, struct nfs4_setclientid_res *res) |
1da177e4 | 4601 | { |
8687b63a | 4602 | __be32 *p; |
1da177e4 LT |
4603 | uint32_t opnum; |
4604 | int32_t nfserr; | |
4605 | ||
c0eae66e BH |
4606 | p = xdr_inline_decode(xdr, 8); |
4607 | if (unlikely(!p)) | |
4608 | goto out_overflow; | |
6f723f77 | 4609 | opnum = be32_to_cpup(p++); |
1da177e4 | 4610 | if (opnum != OP_SETCLIENTID) { |
fe82a183 | 4611 | dprintk("nfs: decode_setclientid: Server returned operation" |
6c0195a4 | 4612 | " %d\n", opnum); |
1da177e4 LT |
4613 | return -EIO; |
4614 | } | |
cccddf4f | 4615 | nfserr = be32_to_cpup(p); |
1da177e4 | 4616 | if (nfserr == NFS_OK) { |
c0eae66e BH |
4617 | p = xdr_inline_decode(xdr, 8 + NFS4_VERIFIER_SIZE); |
4618 | if (unlikely(!p)) | |
4619 | goto out_overflow; | |
bb8b27e5 TM |
4620 | p = xdr_decode_hyper(p, &res->clientid); |
4621 | memcpy(res->confirm.data, p, NFS4_VERIFIER_SIZE); | |
1da177e4 LT |
4622 | } else if (nfserr == NFSERR_CLID_INUSE) { |
4623 | uint32_t len; | |
4624 | ||
4625 | /* skip netid string */ | |
c0eae66e BH |
4626 | p = xdr_inline_decode(xdr, 4); |
4627 | if (unlikely(!p)) | |
4628 | goto out_overflow; | |
cccddf4f | 4629 | len = be32_to_cpup(p); |
c0eae66e BH |
4630 | p = xdr_inline_decode(xdr, len); |
4631 | if (unlikely(!p)) | |
4632 | goto out_overflow; | |
1da177e4 LT |
4633 | |
4634 | /* skip uaddr string */ | |
c0eae66e BH |
4635 | p = xdr_inline_decode(xdr, 4); |
4636 | if (unlikely(!p)) | |
4637 | goto out_overflow; | |
cccddf4f | 4638 | len = be32_to_cpup(p); |
c0eae66e BH |
4639 | p = xdr_inline_decode(xdr, len); |
4640 | if (unlikely(!p)) | |
4641 | goto out_overflow; | |
1da177e4 LT |
4642 | return -NFSERR_CLID_INUSE; |
4643 | } else | |
856dff3d | 4644 | return nfs4_stat_to_errno(nfserr); |
1da177e4 LT |
4645 | |
4646 | return 0; | |
c0eae66e BH |
4647 | out_overflow: |
4648 | print_overflow_msg(__func__, xdr); | |
4649 | return -EIO; | |
1da177e4 LT |
4650 | } |
4651 | ||
4652 | static int decode_setclientid_confirm(struct xdr_stream *xdr) | |
4653 | { | |
4654 | return decode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM); | |
4655 | } | |
4656 | ||
4657 | static int decode_write(struct xdr_stream *xdr, struct nfs_writeres *res) | |
4658 | { | |
8687b63a | 4659 | __be32 *p; |
1da177e4 LT |
4660 | int status; |
4661 | ||
4662 | status = decode_op_hdr(xdr, OP_WRITE); | |
4663 | if (status) | |
4664 | return status; | |
4665 | ||
c0eae66e BH |
4666 | p = xdr_inline_decode(xdr, 16); |
4667 | if (unlikely(!p)) | |
4668 | goto out_overflow; | |
6f723f77 BH |
4669 | res->count = be32_to_cpup(p++); |
4670 | res->verf->committed = be32_to_cpup(p++); | |
99398d06 | 4671 | memcpy(res->verf->verifier, p, 8); |
1da177e4 | 4672 | return 0; |
c0eae66e BH |
4673 | out_overflow: |
4674 | print_overflow_msg(__func__, xdr); | |
4675 | return -EIO; | |
1da177e4 LT |
4676 | } |
4677 | ||
4678 | static int decode_delegreturn(struct xdr_stream *xdr) | |
4679 | { | |
4680 | return decode_op_hdr(xdr, OP_DELEGRETURN); | |
4681 | } | |
4682 | ||
99fe60d0 BH |
4683 | #if defined(CONFIG_NFS_V4_1) |
4684 | static int decode_exchange_id(struct xdr_stream *xdr, | |
4685 | struct nfs41_exchange_id_res *res) | |
4686 | { | |
4687 | __be32 *p; | |
4688 | uint32_t dummy; | |
2460ba57 | 4689 | char *dummy_str; |
99fe60d0 BH |
4690 | int status; |
4691 | struct nfs_client *clp = res->client; | |
4692 | ||
4693 | status = decode_op_hdr(xdr, OP_EXCHANGE_ID); | |
4694 | if (status) | |
4695 | return status; | |
4696 | ||
c0eae66e BH |
4697 | p = xdr_inline_decode(xdr, 8); |
4698 | if (unlikely(!p)) | |
4699 | goto out_overflow; | |
114f64b5 | 4700 | xdr_decode_hyper(p, &clp->cl_clientid); |
c0eae66e BH |
4701 | p = xdr_inline_decode(xdr, 12); |
4702 | if (unlikely(!p)) | |
4703 | goto out_overflow; | |
6f723f77 BH |
4704 | clp->cl_seqid = be32_to_cpup(p++); |
4705 | clp->cl_exchange_flags = be32_to_cpup(p++); | |
99fe60d0 BH |
4706 | |
4707 | /* We ask for SP4_NONE */ | |
cccddf4f | 4708 | dummy = be32_to_cpup(p); |
99fe60d0 BH |
4709 | if (dummy != SP4_NONE) |
4710 | return -EIO; | |
4711 | ||
4712 | /* Throw away minor_id */ | |
c0eae66e BH |
4713 | p = xdr_inline_decode(xdr, 8); |
4714 | if (unlikely(!p)) | |
4715 | goto out_overflow; | |
99fe60d0 BH |
4716 | |
4717 | /* Throw away Major id */ | |
2460ba57 BH |
4718 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
4719 | if (unlikely(status)) | |
4720 | return status; | |
99fe60d0 BH |
4721 | |
4722 | /* Throw away server_scope */ | |
2460ba57 BH |
4723 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
4724 | if (unlikely(status)) | |
4725 | return status; | |
99fe60d0 BH |
4726 | |
4727 | /* Throw away Implementation id array */ | |
2460ba57 BH |
4728 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
4729 | if (unlikely(status)) | |
4730 | return status; | |
99fe60d0 BH |
4731 | |
4732 | return 0; | |
c0eae66e BH |
4733 | out_overflow: |
4734 | print_overflow_msg(__func__, xdr); | |
4735 | return -EIO; | |
99fe60d0 | 4736 | } |
fc931582 AA |
4737 | |
4738 | static int decode_chan_attrs(struct xdr_stream *xdr, | |
4739 | struct nfs4_channel_attrs *attrs) | |
4740 | { | |
4741 | __be32 *p; | |
4742 | u32 nr_attrs; | |
4743 | ||
c0eae66e BH |
4744 | p = xdr_inline_decode(xdr, 28); |
4745 | if (unlikely(!p)) | |
4746 | goto out_overflow; | |
6f723f77 BH |
4747 | attrs->headerpadsz = be32_to_cpup(p++); |
4748 | attrs->max_rqst_sz = be32_to_cpup(p++); | |
4749 | attrs->max_resp_sz = be32_to_cpup(p++); | |
4750 | attrs->max_resp_sz_cached = be32_to_cpup(p++); | |
4751 | attrs->max_ops = be32_to_cpup(p++); | |
4752 | attrs->max_reqs = be32_to_cpup(p++); | |
cccddf4f | 4753 | nr_attrs = be32_to_cpup(p); |
fc931582 AA |
4754 | if (unlikely(nr_attrs > 1)) { |
4755 | printk(KERN_WARNING "%s: Invalid rdma channel attrs count %u\n", | |
4756 | __func__, nr_attrs); | |
4757 | return -EINVAL; | |
4758 | } | |
c0eae66e BH |
4759 | if (nr_attrs == 1) { |
4760 | p = xdr_inline_decode(xdr, 4); /* skip rdma_attrs */ | |
4761 | if (unlikely(!p)) | |
4762 | goto out_overflow; | |
4763 | } | |
fc931582 | 4764 | return 0; |
c0eae66e BH |
4765 | out_overflow: |
4766 | print_overflow_msg(__func__, xdr); | |
4767 | return -EIO; | |
fc931582 AA |
4768 | } |
4769 | ||
e78291e4 BH |
4770 | static int decode_sessionid(struct xdr_stream *xdr, struct nfs4_sessionid *sid) |
4771 | { | |
4772 | return decode_opaque_fixed(xdr, sid->data, NFS4_MAX_SESSIONID_LEN); | |
fc931582 AA |
4773 | } |
4774 | ||
4775 | static int decode_create_session(struct xdr_stream *xdr, | |
4776 | struct nfs41_create_session_res *res) | |
4777 | { | |
4778 | __be32 *p; | |
4779 | int status; | |
4780 | struct nfs_client *clp = res->client; | |
4781 | struct nfs4_session *session = clp->cl_session; | |
4782 | ||
4783 | status = decode_op_hdr(xdr, OP_CREATE_SESSION); | |
e78291e4 BH |
4784 | if (!status) |
4785 | status = decode_sessionid(xdr, &session->sess_id); | |
4786 | if (unlikely(status)) | |
fc931582 AA |
4787 | return status; |
4788 | ||
fc931582 | 4789 | /* seqid, flags */ |
c0eae66e BH |
4790 | p = xdr_inline_decode(xdr, 8); |
4791 | if (unlikely(!p)) | |
4792 | goto out_overflow; | |
6f723f77 | 4793 | clp->cl_seqid = be32_to_cpup(p++); |
cccddf4f | 4794 | session->flags = be32_to_cpup(p); |
fc931582 AA |
4795 | |
4796 | /* Channel attributes */ | |
4797 | status = decode_chan_attrs(xdr, &session->fc_attrs); | |
4798 | if (!status) | |
4799 | status = decode_chan_attrs(xdr, &session->bc_attrs); | |
4800 | return status; | |
c0eae66e BH |
4801 | out_overflow: |
4802 | print_overflow_msg(__func__, xdr); | |
4803 | return -EIO; | |
fc931582 | 4804 | } |
0f3e66c6 AA |
4805 | |
4806 | static int decode_destroy_session(struct xdr_stream *xdr, void *dummy) | |
4807 | { | |
4808 | return decode_op_hdr(xdr, OP_DESTROY_SESSION); | |
4809 | } | |
18019753 RL |
4810 | |
4811 | static int decode_reclaim_complete(struct xdr_stream *xdr, void *dummy) | |
4812 | { | |
4813 | return decode_op_hdr(xdr, OP_RECLAIM_COMPLETE); | |
4814 | } | |
99fe60d0 BH |
4815 | #endif /* CONFIG_NFS_V4_1 */ |
4816 | ||
9b7b9fcc AA |
4817 | static int decode_sequence(struct xdr_stream *xdr, |
4818 | struct nfs4_sequence_res *res, | |
4819 | struct rpc_rqst *rqstp) | |
4820 | { | |
4821 | #if defined(CONFIG_NFS_V4_1) | |
fc01cea9 AA |
4822 | struct nfs4_sessionid id; |
4823 | u32 dummy; | |
4824 | int status; | |
4825 | __be32 *p; | |
4826 | ||
9b7b9fcc AA |
4827 | if (!res->sr_session) |
4828 | return 0; | |
4829 | ||
fc01cea9 | 4830 | status = decode_op_hdr(xdr, OP_SEQUENCE); |
e78291e4 BH |
4831 | if (!status) |
4832 | status = decode_sessionid(xdr, &id); | |
4833 | if (unlikely(status)) | |
fc01cea9 | 4834 | goto out_err; |
9b7b9fcc | 4835 | |
fc01cea9 AA |
4836 | /* |
4837 | * If the server returns different values for sessionID, slotID or | |
4838 | * sequence number, the server is looney tunes. | |
4839 | */ | |
fdcb4577 | 4840 | status = -EREMOTEIO; |
fc01cea9 | 4841 | |
fc01cea9 AA |
4842 | if (memcmp(id.data, res->sr_session->sess_id.data, |
4843 | NFS4_MAX_SESSIONID_LEN)) { | |
4844 | dprintk("%s Invalid session id\n", __func__); | |
4845 | goto out_err; | |
4846 | } | |
e78291e4 | 4847 | |
c0eae66e BH |
4848 | p = xdr_inline_decode(xdr, 20); |
4849 | if (unlikely(!p)) | |
4850 | goto out_overflow; | |
e78291e4 | 4851 | |
fc01cea9 | 4852 | /* seqid */ |
6f723f77 | 4853 | dummy = be32_to_cpup(p++); |
dfb4f309 | 4854 | if (dummy != res->sr_slot->seq_nr) { |
fc01cea9 AA |
4855 | dprintk("%s Invalid sequence number\n", __func__); |
4856 | goto out_err; | |
4857 | } | |
4858 | /* slot id */ | |
6f723f77 | 4859 | dummy = be32_to_cpup(p++); |
dfb4f309 | 4860 | if (dummy != res->sr_slot - res->sr_session->fc_slot_table.slots) { |
fc01cea9 AA |
4861 | dprintk("%s Invalid slot id\n", __func__); |
4862 | goto out_err; | |
4863 | } | |
4864 | /* highest slot id - currently not processed */ | |
6f723f77 | 4865 | dummy = be32_to_cpup(p++); |
fc01cea9 | 4866 | /* target highest slot id - currently not processed */ |
6f723f77 | 4867 | dummy = be32_to_cpup(p++); |
0629e370 AB |
4868 | /* result flags */ |
4869 | res->sr_status_flags = be32_to_cpup(p); | |
fc01cea9 AA |
4870 | status = 0; |
4871 | out_err: | |
4872 | res->sr_status = status; | |
4873 | return status; | |
c0eae66e BH |
4874 | out_overflow: |
4875 | print_overflow_msg(__func__, xdr); | |
4876 | status = -EIO; | |
4877 | goto out_err; | |
fc01cea9 | 4878 | #else /* CONFIG_NFS_V4_1 */ |
9b7b9fcc | 4879 | return 0; |
fc01cea9 | 4880 | #endif /* CONFIG_NFS_V4_1 */ |
9b7b9fcc AA |
4881 | } |
4882 | ||
b1f69b75 AA |
4883 | #if defined(CONFIG_NFS_V4_1) |
4884 | ||
4885 | static int decode_getdeviceinfo(struct xdr_stream *xdr, | |
4886 | struct pnfs_device *pdev) | |
4887 | { | |
4888 | __be32 *p; | |
4889 | uint32_t len, type; | |
4890 | int status; | |
4891 | ||
4892 | status = decode_op_hdr(xdr, OP_GETDEVICEINFO); | |
4893 | if (status) { | |
4894 | if (status == -ETOOSMALL) { | |
4895 | p = xdr_inline_decode(xdr, 4); | |
4896 | if (unlikely(!p)) | |
4897 | goto out_overflow; | |
4898 | pdev->mincount = be32_to_cpup(p); | |
4899 | dprintk("%s: Min count too small. mincnt = %u\n", | |
4900 | __func__, pdev->mincount); | |
4901 | } | |
4902 | return status; | |
4903 | } | |
4904 | ||
4905 | p = xdr_inline_decode(xdr, 8); | |
4906 | if (unlikely(!p)) | |
4907 | goto out_overflow; | |
4908 | type = be32_to_cpup(p++); | |
4909 | if (type != pdev->layout_type) { | |
4910 | dprintk("%s: layout mismatch req: %u pdev: %u\n", | |
4911 | __func__, pdev->layout_type, type); | |
4912 | return -EINVAL; | |
4913 | } | |
4914 | /* | |
4915 | * Get the length of the opaque device_addr4. xdr_read_pages places | |
4916 | * the opaque device_addr4 in the xdr_buf->pages (pnfs_device->pages) | |
4917 | * and places the remaining xdr data in xdr_buf->tail | |
4918 | */ | |
4919 | pdev->mincount = be32_to_cpup(p); | |
4920 | xdr_read_pages(xdr, pdev->mincount); /* include space for the length */ | |
4921 | ||
4922 | /* Parse notification bitmap, verifying that it is zero. */ | |
4923 | p = xdr_inline_decode(xdr, 4); | |
4924 | if (unlikely(!p)) | |
4925 | goto out_overflow; | |
4926 | len = be32_to_cpup(p); | |
4927 | if (len) { | |
ead00597 | 4928 | uint32_t i; |
b1f69b75 AA |
4929 | |
4930 | p = xdr_inline_decode(xdr, 4 * len); | |
4931 | if (unlikely(!p)) | |
4932 | goto out_overflow; | |
4933 | for (i = 0; i < len; i++, p++) { | |
4934 | if (be32_to_cpup(p)) { | |
4935 | dprintk("%s: notifications not supported\n", | |
4936 | __func__); | |
4937 | return -EIO; | |
4938 | } | |
4939 | } | |
4940 | } | |
4941 | return 0; | |
4942 | out_overflow: | |
4943 | print_overflow_msg(__func__, xdr); | |
4944 | return -EIO; | |
4945 | } | |
4946 | ||
4947 | static int decode_layoutget(struct xdr_stream *xdr, struct rpc_rqst *req, | |
4948 | struct nfs4_layoutget_res *res) | |
4949 | { | |
4950 | __be32 *p; | |
4951 | int status; | |
4952 | u32 layout_count; | |
4953 | ||
4954 | status = decode_op_hdr(xdr, OP_LAYOUTGET); | |
4955 | if (status) | |
4956 | return status; | |
4957 | p = xdr_inline_decode(xdr, 8 + NFS4_STATEID_SIZE); | |
4958 | if (unlikely(!p)) | |
4959 | goto out_overflow; | |
4960 | res->return_on_close = be32_to_cpup(p++); | |
4961 | p = xdr_decode_opaque_fixed(p, res->stateid.data, NFS4_STATEID_SIZE); | |
4962 | layout_count = be32_to_cpup(p); | |
4963 | if (!layout_count) { | |
4964 | dprintk("%s: server responded with empty layout array\n", | |
4965 | __func__); | |
4966 | return -EINVAL; | |
4967 | } | |
4968 | ||
4969 | p = xdr_inline_decode(xdr, 24); | |
4970 | if (unlikely(!p)) | |
4971 | goto out_overflow; | |
4972 | p = xdr_decode_hyper(p, &res->range.offset); | |
4973 | p = xdr_decode_hyper(p, &res->range.length); | |
4974 | res->range.iomode = be32_to_cpup(p++); | |
4975 | res->type = be32_to_cpup(p++); | |
4976 | ||
4977 | status = decode_opaque_inline(xdr, &res->layout.len, (char **)&p); | |
4978 | if (unlikely(status)) | |
4979 | return status; | |
4980 | ||
4981 | dprintk("%s roff:%lu rlen:%lu riomode:%d, lo_type:0x%x, lo.len:%d\n", | |
4982 | __func__, | |
4983 | (unsigned long)res->range.offset, | |
4984 | (unsigned long)res->range.length, | |
4985 | res->range.iomode, | |
4986 | res->type, | |
4987 | res->layout.len); | |
4988 | ||
4989 | /* nfs4_proc_layoutget allocated a single page */ | |
4990 | if (res->layout.len > PAGE_SIZE) | |
4991 | return -ENOMEM; | |
4992 | memcpy(res->layout.buf, p, res->layout.len); | |
4993 | ||
4994 | if (layout_count > 1) { | |
4995 | /* We only handle a length one array at the moment. Any | |
4996 | * further entries are just ignored. Note that this means | |
4997 | * the client may see a response that is less than the | |
4998 | * minimum it requested. | |
4999 | */ | |
5000 | dprintk("%s: server responded with %d layouts, dropping tail\n", | |
5001 | __func__, layout_count); | |
5002 | } | |
5003 | ||
5004 | return 0; | |
5005 | out_overflow: | |
5006 | print_overflow_msg(__func__, xdr); | |
5007 | return -EIO; | |
5008 | } | |
5009 | #endif /* CONFIG_NFS_V4_1 */ | |
5010 | ||
49c2559e BH |
5011 | /* |
5012 | * END OF "GENERIC" DECODE ROUTINES. | |
5013 | */ | |
5014 | ||
1da177e4 LT |
5015 | /* |
5016 | * Decode OPEN_DOWNGRADE response | |
5017 | */ | |
bf269551 CL |
5018 | static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst *rqstp, |
5019 | struct xdr_stream *xdr, | |
5020 | struct nfs_closeres *res) | |
1da177e4 | 5021 | { |
05d564fe AA |
5022 | struct compound_hdr hdr; |
5023 | int status; | |
5024 | ||
bf269551 | 5025 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5026 | if (status) |
5027 | goto out; | |
bf269551 | 5028 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
5029 | if (status) |
5030 | goto out; | |
bf269551 | 5031 | status = decode_putfh(xdr); |
05d564fe AA |
5032 | if (status) |
5033 | goto out; | |
bf269551 | 5034 | status = decode_open_downgrade(xdr, res); |
516a6af6 TM |
5035 | if (status != 0) |
5036 | goto out; | |
bf269551 | 5037 | decode_getfattr(xdr, res->fattr, res->server, |
80e52ace | 5038 | !RPC_IS_ASYNC(rqstp->rq_task)); |
1da177e4 | 5039 | out: |
05d564fe | 5040 | return status; |
1da177e4 LT |
5041 | } |
5042 | ||
1da177e4 LT |
5043 | /* |
5044 | * Decode ACCESS response | |
5045 | */ | |
bf269551 CL |
5046 | static int nfs4_xdr_dec_access(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5047 | struct nfs4_accessres *res) | |
1da177e4 | 5048 | { |
1da177e4 LT |
5049 | struct compound_hdr hdr; |
5050 | int status; | |
6c0195a4 | 5051 | |
bf269551 | 5052 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5053 | if (status) |
5054 | goto out; | |
bf269551 | 5055 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5056 | if (status) |
1da177e4 | 5057 | goto out; |
bf269551 | 5058 | status = decode_putfh(xdr); |
76b32999 TM |
5059 | if (status != 0) |
5060 | goto out; | |
bf269551 | 5061 | status = decode_access(xdr, res); |
76b32999 TM |
5062 | if (status != 0) |
5063 | goto out; | |
bf269551 | 5064 | decode_getfattr(xdr, res->fattr, res->server, |
80e52ace | 5065 | !RPC_IS_ASYNC(rqstp->rq_task)); |
1da177e4 LT |
5066 | out: |
5067 | return status; | |
5068 | } | |
5069 | ||
5070 | /* | |
5071 | * Decode LOOKUP response | |
5072 | */ | |
bf269551 CL |
5073 | static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5074 | struct nfs4_lookup_res *res) | |
1da177e4 | 5075 | { |
1da177e4 LT |
5076 | struct compound_hdr hdr; |
5077 | int status; | |
6c0195a4 | 5078 | |
bf269551 | 5079 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5080 | if (status) |
5081 | goto out; | |
bf269551 | 5082 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5083 | if (status) |
1da177e4 | 5084 | goto out; |
bf269551 CL |
5085 | status = decode_putfh(xdr); |
5086 | if (status) | |
1da177e4 | 5087 | goto out; |
bf269551 CL |
5088 | status = decode_lookup(xdr); |
5089 | if (status) | |
1da177e4 | 5090 | goto out; |
bf269551 CL |
5091 | status = decode_getfh(xdr, res->fh); |
5092 | if (status) | |
1da177e4 | 5093 | goto out; |
bf269551 | 5094 | status = decode_getfattr(xdr, res->fattr, res->server |
80e52ace | 5095 | ,!RPC_IS_ASYNC(rqstp->rq_task)); |
1da177e4 LT |
5096 | out: |
5097 | return status; | |
5098 | } | |
5099 | ||
5100 | /* | |
5101 | * Decode LOOKUP_ROOT response | |
5102 | */ | |
bf269551 CL |
5103 | static int nfs4_xdr_dec_lookup_root(struct rpc_rqst *rqstp, |
5104 | struct xdr_stream *xdr, | |
5105 | struct nfs4_lookup_res *res) | |
1da177e4 | 5106 | { |
1da177e4 LT |
5107 | struct compound_hdr hdr; |
5108 | int status; | |
6c0195a4 | 5109 | |
bf269551 | 5110 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5111 | if (status) |
5112 | goto out; | |
bf269551 | 5113 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5114 | if (status) |
1da177e4 | 5115 | goto out; |
bf269551 CL |
5116 | status = decode_putrootfh(xdr); |
5117 | if (status) | |
1da177e4 | 5118 | goto out; |
bf269551 CL |
5119 | status = decode_getfh(xdr, res->fh); |
5120 | if (status == 0) | |
5121 | status = decode_getfattr(xdr, res->fattr, res->server, | |
80e52ace | 5122 | !RPC_IS_ASYNC(rqstp->rq_task)); |
1da177e4 LT |
5123 | out: |
5124 | return status; | |
5125 | } | |
5126 | ||
5127 | /* | |
5128 | * Decode REMOVE response | |
5129 | */ | |
bf269551 CL |
5130 | static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5131 | struct nfs_removeres *res) | |
1da177e4 | 5132 | { |
1da177e4 LT |
5133 | struct compound_hdr hdr; |
5134 | int status; | |
6c0195a4 | 5135 | |
bf269551 | 5136 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5137 | if (status) |
5138 | goto out; | |
bf269551 | 5139 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5140 | if (status) |
1da177e4 | 5141 | goto out; |
bf269551 CL |
5142 | status = decode_putfh(xdr); |
5143 | if (status) | |
16e42959 | 5144 | goto out; |
bf269551 CL |
5145 | status = decode_remove(xdr, &res->cinfo); |
5146 | if (status) | |
16e42959 | 5147 | goto out; |
bf269551 | 5148 | decode_getfattr(xdr, res->dir_attr, res->server, |
80e52ace | 5149 | !RPC_IS_ASYNC(rqstp->rq_task)); |
1da177e4 LT |
5150 | out: |
5151 | return status; | |
5152 | } | |
5153 | ||
5154 | /* | |
5155 | * Decode RENAME response | |
5156 | */ | |
bf269551 CL |
5157 | static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5158 | struct nfs_renameres *res) | |
1da177e4 | 5159 | { |
1da177e4 LT |
5160 | struct compound_hdr hdr; |
5161 | int status; | |
6c0195a4 | 5162 | |
bf269551 | 5163 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5164 | if (status) |
5165 | goto out; | |
bf269551 | 5166 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5167 | if (status) |
1da177e4 | 5168 | goto out; |
bf269551 CL |
5169 | status = decode_putfh(xdr); |
5170 | if (status) | |
1da177e4 | 5171 | goto out; |
bf269551 CL |
5172 | status = decode_savefh(xdr); |
5173 | if (status) | |
1da177e4 | 5174 | goto out; |
bf269551 CL |
5175 | status = decode_putfh(xdr); |
5176 | if (status) | |
1da177e4 | 5177 | goto out; |
bf269551 CL |
5178 | status = decode_rename(xdr, &res->old_cinfo, &res->new_cinfo); |
5179 | if (status) | |
6caf2c82 TM |
5180 | goto out; |
5181 | /* Current FH is target directory */ | |
bf269551 | 5182 | if (decode_getfattr(xdr, res->new_fattr, res->server, |
80e52ace | 5183 | !RPC_IS_ASYNC(rqstp->rq_task)) != 0) |
6caf2c82 | 5184 | goto out; |
bf269551 CL |
5185 | status = decode_restorefh(xdr); |
5186 | if (status) | |
6caf2c82 | 5187 | goto out; |
bf269551 | 5188 | decode_getfattr(xdr, res->old_fattr, res->server, |
80e52ace | 5189 | !RPC_IS_ASYNC(rqstp->rq_task)); |
1da177e4 LT |
5190 | out: |
5191 | return status; | |
5192 | } | |
5193 | ||
5194 | /* | |
5195 | * Decode LINK response | |
5196 | */ | |
bf269551 CL |
5197 | static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5198 | struct nfs4_link_res *res) | |
1da177e4 | 5199 | { |
1da177e4 LT |
5200 | struct compound_hdr hdr; |
5201 | int status; | |
6c0195a4 | 5202 | |
bf269551 | 5203 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5204 | if (status) |
5205 | goto out; | |
bf269551 | 5206 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5207 | if (status) |
1da177e4 | 5208 | goto out; |
bf269551 CL |
5209 | status = decode_putfh(xdr); |
5210 | if (status) | |
1da177e4 | 5211 | goto out; |
bf269551 CL |
5212 | status = decode_savefh(xdr); |
5213 | if (status) | |
1da177e4 | 5214 | goto out; |
bf269551 CL |
5215 | status = decode_putfh(xdr); |
5216 | if (status) | |
1da177e4 | 5217 | goto out; |
bf269551 CL |
5218 | status = decode_link(xdr, &res->cinfo); |
5219 | if (status) | |
91ba2eee TM |
5220 | goto out; |
5221 | /* | |
5222 | * Note order: OP_LINK leaves the directory as the current | |
5223 | * filehandle. | |
5224 | */ | |
bf269551 | 5225 | if (decode_getfattr(xdr, res->dir_attr, res->server, |
80e52ace | 5226 | !RPC_IS_ASYNC(rqstp->rq_task)) != 0) |
91ba2eee | 5227 | goto out; |
bf269551 CL |
5228 | status = decode_restorefh(xdr); |
5229 | if (status) | |
91ba2eee | 5230 | goto out; |
bf269551 | 5231 | decode_getfattr(xdr, res->fattr, res->server, |
80e52ace | 5232 | !RPC_IS_ASYNC(rqstp->rq_task)); |
1da177e4 LT |
5233 | out: |
5234 | return status; | |
5235 | } | |
5236 | ||
5237 | /* | |
5238 | * Decode CREATE response | |
5239 | */ | |
bf269551 CL |
5240 | static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5241 | struct nfs4_create_res *res) | |
1da177e4 | 5242 | { |
1da177e4 LT |
5243 | struct compound_hdr hdr; |
5244 | int status; | |
6c0195a4 | 5245 | |
bf269551 | 5246 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5247 | if (status) |
5248 | goto out; | |
bf269551 | 5249 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5250 | if (status) |
1da177e4 | 5251 | goto out; |
bf269551 CL |
5252 | status = decode_putfh(xdr); |
5253 | if (status) | |
1da177e4 | 5254 | goto out; |
bf269551 CL |
5255 | status = decode_savefh(xdr); |
5256 | if (status) | |
56ae19f3 | 5257 | goto out; |
bf269551 CL |
5258 | status = decode_create(xdr, &res->dir_cinfo); |
5259 | if (status) | |
1da177e4 | 5260 | goto out; |
bf269551 CL |
5261 | status = decode_getfh(xdr, res->fh); |
5262 | if (status) | |
1da177e4 | 5263 | goto out; |
bf269551 | 5264 | if (decode_getfattr(xdr, res->fattr, res->server, |
80e52ace | 5265 | !RPC_IS_ASYNC(rqstp->rq_task)) != 0) |
56ae19f3 | 5266 | goto out; |
bf269551 CL |
5267 | status = decode_restorefh(xdr); |
5268 | if (status) | |
56ae19f3 | 5269 | goto out; |
bf269551 | 5270 | decode_getfattr(xdr, res->dir_fattr, res->server, |
80e52ace | 5271 | !RPC_IS_ASYNC(rqstp->rq_task)); |
1da177e4 LT |
5272 | out: |
5273 | return status; | |
5274 | } | |
5275 | ||
5276 | /* | |
5277 | * Decode SYMLINK response | |
5278 | */ | |
bf269551 CL |
5279 | static int nfs4_xdr_dec_symlink(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5280 | struct nfs4_create_res *res) | |
1da177e4 | 5281 | { |
bf269551 | 5282 | return nfs4_xdr_dec_create(rqstp, xdr, res); |
1da177e4 LT |
5283 | } |
5284 | ||
5285 | /* | |
5286 | * Decode GETATTR response | |
5287 | */ | |
bf269551 CL |
5288 | static int nfs4_xdr_dec_getattr(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5289 | struct nfs4_getattr_res *res) | |
1da177e4 | 5290 | { |
1da177e4 LT |
5291 | struct compound_hdr hdr; |
5292 | int status; | |
6c0195a4 | 5293 | |
bf269551 | 5294 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5295 | if (status) |
5296 | goto out; | |
bf269551 | 5297 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
5298 | if (status) |
5299 | goto out; | |
bf269551 | 5300 | status = decode_putfh(xdr); |
1da177e4 LT |
5301 | if (status) |
5302 | goto out; | |
bf269551 | 5303 | status = decode_getfattr(xdr, res->fattr, res->server, |
80e52ace | 5304 | !RPC_IS_ASYNC(rqstp->rq_task)); |
1da177e4 LT |
5305 | out: |
5306 | return status; | |
1da177e4 LT |
5307 | } |
5308 | ||
23ec6965 BF |
5309 | /* |
5310 | * Encode an SETACL request | |
5311 | */ | |
9f06c719 CL |
5312 | static void nfs4_xdr_enc_setacl(struct rpc_rqst *req, struct xdr_stream *xdr, |
5313 | struct nfs_setaclargs *args) | |
23ec6965 | 5314 | { |
05d564fe | 5315 | struct compound_hdr hdr = { |
66cc0429 | 5316 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 5317 | }; |
05d564fe | 5318 | |
9f06c719 CL |
5319 | encode_compound_hdr(xdr, req, &hdr); |
5320 | encode_sequence(xdr, &args->seq_args, &hdr); | |
5321 | encode_putfh(xdr, args->fh, &hdr); | |
5322 | encode_setacl(xdr, args, &hdr); | |
d017931c | 5323 | encode_nops(&hdr); |
23ec6965 | 5324 | } |
05d564fe | 5325 | |
23ec6965 BF |
5326 | /* |
5327 | * Decode SETACL response | |
5328 | */ | |
5329 | static int | |
bf269551 | 5330 | nfs4_xdr_dec_setacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
73c403a9 | 5331 | struct nfs_setaclres *res) |
23ec6965 | 5332 | { |
23ec6965 BF |
5333 | struct compound_hdr hdr; |
5334 | int status; | |
5335 | ||
bf269551 | 5336 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5337 | if (status) |
5338 | goto out; | |
bf269551 | 5339 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
23ec6965 BF |
5340 | if (status) |
5341 | goto out; | |
bf269551 | 5342 | status = decode_putfh(xdr); |
23ec6965 BF |
5343 | if (status) |
5344 | goto out; | |
bf269551 | 5345 | status = decode_setattr(xdr); |
23ec6965 BF |
5346 | out: |
5347 | return status; | |
5348 | } | |
1da177e4 | 5349 | |
029d105e BF |
5350 | /* |
5351 | * Decode GETACL response | |
5352 | */ | |
5353 | static int | |
bf269551 | 5354 | nfs4_xdr_dec_getacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
663c79b3 | 5355 | struct nfs_getaclres *res) |
029d105e | 5356 | { |
029d105e BF |
5357 | struct compound_hdr hdr; |
5358 | int status; | |
5359 | ||
bf269551 | 5360 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5361 | if (status) |
5362 | goto out; | |
bf269551 | 5363 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
029d105e BF |
5364 | if (status) |
5365 | goto out; | |
bf269551 | 5366 | status = decode_putfh(xdr); |
029d105e BF |
5367 | if (status) |
5368 | goto out; | |
bf269551 | 5369 | status = decode_getacl(xdr, rqstp, &res->acl_len); |
029d105e BF |
5370 | |
5371 | out: | |
5372 | return status; | |
5373 | } | |
5374 | ||
1da177e4 LT |
5375 | /* |
5376 | * Decode CLOSE response | |
5377 | */ | |
bf269551 CL |
5378 | static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5379 | struct nfs_closeres *res) | |
1da177e4 | 5380 | { |
05d564fe AA |
5381 | struct compound_hdr hdr; |
5382 | int status; | |
5383 | ||
bf269551 | 5384 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5385 | if (status) |
5386 | goto out; | |
bf269551 | 5387 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
5388 | if (status) |
5389 | goto out; | |
bf269551 | 5390 | status = decode_putfh(xdr); |
05d564fe AA |
5391 | if (status) |
5392 | goto out; | |
bf269551 | 5393 | status = decode_close(xdr, res); |
516a6af6 TM |
5394 | if (status != 0) |
5395 | goto out; | |
5396 | /* | |
5397 | * Note: Server may do delete on close for this file | |
5398 | * in which case the getattr call will fail with | |
5399 | * an ESTALE error. Shouldn't be a problem, | |
5400 | * though, since fattr->valid will remain unset. | |
5401 | */ | |
bf269551 | 5402 | decode_getfattr(xdr, res->fattr, res->server, |
80e52ace | 5403 | !RPC_IS_ASYNC(rqstp->rq_task)); |
1da177e4 | 5404 | out: |
05d564fe | 5405 | return status; |
1da177e4 LT |
5406 | } |
5407 | ||
5408 | /* | |
5409 | * Decode OPEN response | |
5410 | */ | |
bf269551 CL |
5411 | static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5412 | struct nfs_openres *res) | |
1da177e4 | 5413 | { |
05d564fe AA |
5414 | struct compound_hdr hdr; |
5415 | int status; | |
5416 | ||
bf269551 | 5417 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5418 | if (status) |
5419 | goto out; | |
bf269551 | 5420 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
5421 | if (status) |
5422 | goto out; | |
bf269551 | 5423 | status = decode_putfh(xdr); |
05d564fe AA |
5424 | if (status) |
5425 | goto out; | |
bf269551 | 5426 | status = decode_savefh(xdr); |
05d564fe AA |
5427 | if (status) |
5428 | goto out; | |
bf269551 | 5429 | status = decode_open(xdr, res); |
56ae19f3 TM |
5430 | if (status) |
5431 | goto out; | |
bf269551 | 5432 | if (decode_getfh(xdr, &res->fh) != 0) |
1da177e4 | 5433 | goto out; |
bf269551 | 5434 | if (decode_getfattr(xdr, res->f_attr, res->server, |
80e52ace | 5435 | !RPC_IS_ASYNC(rqstp->rq_task)) != 0) |
56ae19f3 | 5436 | goto out; |
bf269551 | 5437 | if (decode_restorefh(xdr) != 0) |
56ae19f3 | 5438 | goto out; |
bf269551 | 5439 | decode_getfattr(xdr, res->dir_attr, res->server, |
80e52ace | 5440 | !RPC_IS_ASYNC(rqstp->rq_task)); |
1da177e4 | 5441 | out: |
05d564fe | 5442 | return status; |
1da177e4 LT |
5443 | } |
5444 | ||
5445 | /* | |
5446 | * Decode OPEN_CONFIRM response | |
5447 | */ | |
bf269551 CL |
5448 | static int nfs4_xdr_dec_open_confirm(struct rpc_rqst *rqstp, |
5449 | struct xdr_stream *xdr, | |
5450 | struct nfs_open_confirmres *res) | |
1da177e4 | 5451 | { |
05d564fe AA |
5452 | struct compound_hdr hdr; |
5453 | int status; | |
5454 | ||
bf269551 | 5455 | status = decode_compound_hdr(xdr, &hdr); |
05d564fe AA |
5456 | if (status) |
5457 | goto out; | |
bf269551 | 5458 | status = decode_putfh(xdr); |
05d564fe AA |
5459 | if (status) |
5460 | goto out; | |
bf269551 | 5461 | status = decode_open_confirm(xdr, res); |
1da177e4 | 5462 | out: |
05d564fe | 5463 | return status; |
1da177e4 LT |
5464 | } |
5465 | ||
5466 | /* | |
5467 | * Decode OPEN response | |
5468 | */ | |
bf269551 CL |
5469 | static int nfs4_xdr_dec_open_noattr(struct rpc_rqst *rqstp, |
5470 | struct xdr_stream *xdr, | |
5471 | struct nfs_openres *res) | |
1da177e4 | 5472 | { |
05d564fe AA |
5473 | struct compound_hdr hdr; |
5474 | int status; | |
5475 | ||
bf269551 | 5476 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5477 | if (status) |
5478 | goto out; | |
bf269551 | 5479 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
5480 | if (status) |
5481 | goto out; | |
bf269551 | 5482 | status = decode_putfh(xdr); |
05d564fe AA |
5483 | if (status) |
5484 | goto out; | |
bf269551 | 5485 | status = decode_open(xdr, res); |
05d564fe AA |
5486 | if (status) |
5487 | goto out; | |
bf269551 | 5488 | decode_getfattr(xdr, res->f_attr, res->server, |
80e52ace | 5489 | !RPC_IS_ASYNC(rqstp->rq_task)); |
1da177e4 | 5490 | out: |
05d564fe | 5491 | return status; |
1da177e4 LT |
5492 | } |
5493 | ||
5494 | /* | |
5495 | * Decode SETATTR response | |
5496 | */ | |
bf269551 CL |
5497 | static int nfs4_xdr_dec_setattr(struct rpc_rqst *rqstp, |
5498 | struct xdr_stream *xdr, | |
5499 | struct nfs_setattrres *res) | |
1da177e4 | 5500 | { |
05d564fe AA |
5501 | struct compound_hdr hdr; |
5502 | int status; | |
5503 | ||
bf269551 | 5504 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5505 | if (status) |
5506 | goto out; | |
bf269551 | 5507 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
5508 | if (status) |
5509 | goto out; | |
bf269551 | 5510 | status = decode_putfh(xdr); |
05d564fe AA |
5511 | if (status) |
5512 | goto out; | |
bf269551 | 5513 | status = decode_setattr(xdr); |
05d564fe AA |
5514 | if (status) |
5515 | goto out; | |
bf269551 | 5516 | decode_getfattr(xdr, res->fattr, res->server, |
80e52ace | 5517 | !RPC_IS_ASYNC(rqstp->rq_task)); |
1da177e4 | 5518 | out: |
05d564fe | 5519 | return status; |
1da177e4 LT |
5520 | } |
5521 | ||
5522 | /* | |
5523 | * Decode LOCK response | |
5524 | */ | |
bf269551 CL |
5525 | static int nfs4_xdr_dec_lock(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5526 | struct nfs_lock_res *res) | |
1da177e4 | 5527 | { |
1da177e4 LT |
5528 | struct compound_hdr hdr; |
5529 | int status; | |
5530 | ||
bf269551 | 5531 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5532 | if (status) |
5533 | goto out; | |
bf269551 | 5534 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
5535 | if (status) |
5536 | goto out; | |
bf269551 | 5537 | status = decode_putfh(xdr); |
1da177e4 LT |
5538 | if (status) |
5539 | goto out; | |
bf269551 | 5540 | status = decode_lock(xdr, res); |
1da177e4 LT |
5541 | out: |
5542 | return status; | |
5543 | } | |
5544 | ||
5545 | /* | |
5546 | * Decode LOCKT response | |
5547 | */ | |
bf269551 CL |
5548 | static int nfs4_xdr_dec_lockt(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5549 | struct nfs_lockt_res *res) | |
1da177e4 | 5550 | { |
1da177e4 LT |
5551 | struct compound_hdr hdr; |
5552 | int status; | |
5553 | ||
bf269551 | 5554 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5555 | if (status) |
5556 | goto out; | |
bf269551 | 5557 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
5558 | if (status) |
5559 | goto out; | |
bf269551 | 5560 | status = decode_putfh(xdr); |
1da177e4 LT |
5561 | if (status) |
5562 | goto out; | |
bf269551 | 5563 | status = decode_lockt(xdr, res); |
1da177e4 LT |
5564 | out: |
5565 | return status; | |
5566 | } | |
5567 | ||
5568 | /* | |
5569 | * Decode LOCKU response | |
5570 | */ | |
bf269551 CL |
5571 | static int nfs4_xdr_dec_locku(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5572 | struct nfs_locku_res *res) | |
1da177e4 | 5573 | { |
1da177e4 LT |
5574 | struct compound_hdr hdr; |
5575 | int status; | |
5576 | ||
bf269551 | 5577 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5578 | if (status) |
5579 | goto out; | |
bf269551 | 5580 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
5581 | if (status) |
5582 | goto out; | |
bf269551 | 5583 | status = decode_putfh(xdr); |
1da177e4 LT |
5584 | if (status) |
5585 | goto out; | |
bf269551 | 5586 | status = decode_locku(xdr, res); |
1da177e4 LT |
5587 | out: |
5588 | return status; | |
5589 | } | |
5590 | ||
bf269551 CL |
5591 | static int nfs4_xdr_dec_release_lockowner(struct rpc_rqst *rqstp, |
5592 | struct xdr_stream *xdr, void *dummy) | |
d3c7b7cc | 5593 | { |
d3c7b7cc TM |
5594 | struct compound_hdr hdr; |
5595 | int status; | |
5596 | ||
bf269551 | 5597 | status = decode_compound_hdr(xdr, &hdr); |
d3c7b7cc | 5598 | if (!status) |
bf269551 | 5599 | status = decode_release_lockowner(xdr); |
d3c7b7cc TM |
5600 | return status; |
5601 | } | |
5602 | ||
1da177e4 LT |
5603 | /* |
5604 | * Decode READLINK response | |
5605 | */ | |
bf269551 CL |
5606 | static int nfs4_xdr_dec_readlink(struct rpc_rqst *rqstp, |
5607 | struct xdr_stream *xdr, | |
f50c7000 | 5608 | struct nfs4_readlink_res *res) |
1da177e4 | 5609 | { |
1da177e4 LT |
5610 | struct compound_hdr hdr; |
5611 | int status; | |
5612 | ||
bf269551 | 5613 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5614 | if (status) |
5615 | goto out; | |
bf269551 | 5616 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
5617 | if (status) |
5618 | goto out; | |
bf269551 | 5619 | status = decode_putfh(xdr); |
1da177e4 LT |
5620 | if (status) |
5621 | goto out; | |
bf269551 | 5622 | status = decode_readlink(xdr, rqstp); |
1da177e4 LT |
5623 | out: |
5624 | return status; | |
5625 | } | |
5626 | ||
5627 | /* | |
5628 | * Decode READDIR response | |
5629 | */ | |
bf269551 CL |
5630 | static int nfs4_xdr_dec_readdir(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5631 | struct nfs4_readdir_res *res) | |
1da177e4 | 5632 | { |
1da177e4 LT |
5633 | struct compound_hdr hdr; |
5634 | int status; | |
5635 | ||
bf269551 | 5636 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5637 | if (status) |
5638 | goto out; | |
bf269551 | 5639 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
5640 | if (status) |
5641 | goto out; | |
bf269551 | 5642 | status = decode_putfh(xdr); |
1da177e4 LT |
5643 | if (status) |
5644 | goto out; | |
bf269551 | 5645 | status = decode_readdir(xdr, rqstp, res); |
1da177e4 LT |
5646 | out: |
5647 | return status; | |
5648 | } | |
5649 | ||
5650 | /* | |
5651 | * Decode Read response | |
5652 | */ | |
bf269551 CL |
5653 | static int nfs4_xdr_dec_read(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5654 | struct nfs_readres *res) | |
1da177e4 | 5655 | { |
1da177e4 LT |
5656 | struct compound_hdr hdr; |
5657 | int status; | |
5658 | ||
bf269551 | 5659 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5660 | if (status) |
5661 | goto out; | |
bf269551 | 5662 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
5663 | if (status) |
5664 | goto out; | |
bf269551 | 5665 | status = decode_putfh(xdr); |
1da177e4 LT |
5666 | if (status) |
5667 | goto out; | |
bf269551 | 5668 | status = decode_read(xdr, rqstp, res); |
1da177e4 LT |
5669 | if (!status) |
5670 | status = res->count; | |
5671 | out: | |
5672 | return status; | |
5673 | } | |
5674 | ||
5675 | /* | |
5676 | * Decode WRITE response | |
5677 | */ | |
bf269551 CL |
5678 | static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5679 | struct nfs_writeres *res) | |
1da177e4 | 5680 | { |
1da177e4 LT |
5681 | struct compound_hdr hdr; |
5682 | int status; | |
5683 | ||
bf269551 | 5684 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5685 | if (status) |
5686 | goto out; | |
bf269551 | 5687 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
5688 | if (status) |
5689 | goto out; | |
bf269551 | 5690 | status = decode_putfh(xdr); |
1da177e4 LT |
5691 | if (status) |
5692 | goto out; | |
bf269551 | 5693 | status = decode_write(xdr, res); |
4f9838c7 TM |
5694 | if (status) |
5695 | goto out; | |
7ffd1064 FI |
5696 | if (res->fattr) |
5697 | decode_getfattr(xdr, res->fattr, res->server, | |
5698 | !RPC_IS_ASYNC(rqstp->rq_task)); | |
1da177e4 LT |
5699 | if (!status) |
5700 | status = res->count; | |
5701 | out: | |
5702 | return status; | |
5703 | } | |
5704 | ||
5705 | /* | |
5706 | * Decode COMMIT response | |
5707 | */ | |
bf269551 CL |
5708 | static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5709 | struct nfs_writeres *res) | |
1da177e4 | 5710 | { |
1da177e4 LT |
5711 | struct compound_hdr hdr; |
5712 | int status; | |
5713 | ||
bf269551 | 5714 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5715 | if (status) |
5716 | goto out; | |
bf269551 | 5717 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
5718 | if (status) |
5719 | goto out; | |
bf269551 | 5720 | status = decode_putfh(xdr); |
1da177e4 LT |
5721 | if (status) |
5722 | goto out; | |
bf269551 | 5723 | status = decode_commit(xdr, res); |
4f9838c7 TM |
5724 | if (status) |
5725 | goto out; | |
bf269551 | 5726 | decode_getfattr(xdr, res->fattr, res->server, |
80e52ace | 5727 | !RPC_IS_ASYNC(rqstp->rq_task)); |
1da177e4 LT |
5728 | out: |
5729 | return status; | |
5730 | } | |
5731 | ||
5732 | /* | |
8b173218 | 5733 | * Decode FSINFO response |
1da177e4 | 5734 | */ |
bf269551 | 5735 | static int nfs4_xdr_dec_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, |
3dda5e43 | 5736 | struct nfs4_fsinfo_res *res) |
1da177e4 | 5737 | { |
1da177e4 LT |
5738 | struct compound_hdr hdr; |
5739 | int status; | |
5740 | ||
bf269551 | 5741 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 5742 | if (!status) |
bf269551 | 5743 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 5744 | if (!status) |
bf269551 | 5745 | status = decode_putfh(xdr); |
1da177e4 | 5746 | if (!status) |
bf269551 | 5747 | status = decode_fsinfo(xdr, res->fsinfo); |
1da177e4 LT |
5748 | return status; |
5749 | } | |
5750 | ||
5751 | /* | |
8b173218 | 5752 | * Decode PATHCONF response |
1da177e4 | 5753 | */ |
bf269551 | 5754 | static int nfs4_xdr_dec_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, |
d45b2989 | 5755 | struct nfs4_pathconf_res *res) |
1da177e4 | 5756 | { |
1da177e4 LT |
5757 | struct compound_hdr hdr; |
5758 | int status; | |
5759 | ||
bf269551 | 5760 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 5761 | if (!status) |
bf269551 | 5762 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 5763 | if (!status) |
bf269551 | 5764 | status = decode_putfh(xdr); |
1da177e4 | 5765 | if (!status) |
bf269551 | 5766 | status = decode_pathconf(xdr, res->pathconf); |
1da177e4 LT |
5767 | return status; |
5768 | } | |
5769 | ||
5770 | /* | |
8b173218 | 5771 | * Decode STATFS response |
1da177e4 | 5772 | */ |
bf269551 | 5773 | static int nfs4_xdr_dec_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, |
24ad148a | 5774 | struct nfs4_statfs_res *res) |
1da177e4 | 5775 | { |
1da177e4 LT |
5776 | struct compound_hdr hdr; |
5777 | int status; | |
5778 | ||
bf269551 | 5779 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 5780 | if (!status) |
bf269551 | 5781 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 5782 | if (!status) |
bf269551 | 5783 | status = decode_putfh(xdr); |
1da177e4 | 5784 | if (!status) |
bf269551 | 5785 | status = decode_statfs(xdr, res->fsstat); |
1da177e4 LT |
5786 | return status; |
5787 | } | |
5788 | ||
5789 | /* | |
8b173218 | 5790 | * Decode GETATTR_BITMAP response |
1da177e4 | 5791 | */ |
bf269551 CL |
5792 | static int nfs4_xdr_dec_server_caps(struct rpc_rqst *req, |
5793 | struct xdr_stream *xdr, | |
5794 | struct nfs4_server_caps_res *res) | |
1da177e4 | 5795 | { |
1da177e4 LT |
5796 | struct compound_hdr hdr; |
5797 | int status; | |
5798 | ||
bf269551 | 5799 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5800 | if (status) |
5801 | goto out; | |
bf269551 | 5802 | status = decode_sequence(xdr, &res->seq_res, req); |
9b7b9fcc | 5803 | if (status) |
1da177e4 | 5804 | goto out; |
bf269551 CL |
5805 | status = decode_putfh(xdr); |
5806 | if (status) | |
1da177e4 | 5807 | goto out; |
bf269551 | 5808 | status = decode_server_caps(xdr, res); |
1da177e4 LT |
5809 | out: |
5810 | return status; | |
5811 | } | |
5812 | ||
5813 | /* | |
5814 | * Decode RENEW response | |
5815 | */ | |
bf269551 CL |
5816 | static int nfs4_xdr_dec_renew(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5817 | void *__unused) | |
1da177e4 | 5818 | { |
1da177e4 LT |
5819 | struct compound_hdr hdr; |
5820 | int status; | |
5821 | ||
bf269551 | 5822 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 5823 | if (!status) |
bf269551 | 5824 | status = decode_renew(xdr); |
1da177e4 LT |
5825 | return status; |
5826 | } | |
5827 | ||
5828 | /* | |
8b173218 | 5829 | * Decode SETCLIENTID response |
1da177e4 | 5830 | */ |
bf269551 CL |
5831 | static int nfs4_xdr_dec_setclientid(struct rpc_rqst *req, |
5832 | struct xdr_stream *xdr, | |
5833 | struct nfs4_setclientid_res *res) | |
1da177e4 | 5834 | { |
1da177e4 LT |
5835 | struct compound_hdr hdr; |
5836 | int status; | |
5837 | ||
bf269551 | 5838 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 5839 | if (!status) |
bf269551 | 5840 | status = decode_setclientid(xdr, res); |
1da177e4 LT |
5841 | return status; |
5842 | } | |
5843 | ||
5844 | /* | |
8b173218 | 5845 | * Decode SETCLIENTID_CONFIRM response |
1da177e4 | 5846 | */ |
bf269551 CL |
5847 | static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst *req, |
5848 | struct xdr_stream *xdr, | |
5849 | struct nfs_fsinfo *fsinfo) | |
1da177e4 | 5850 | { |
1da177e4 LT |
5851 | struct compound_hdr hdr; |
5852 | int status; | |
5853 | ||
bf269551 | 5854 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 5855 | if (!status) |
bf269551 | 5856 | status = decode_setclientid_confirm(xdr); |
1da177e4 | 5857 | if (!status) |
bf269551 | 5858 | status = decode_putrootfh(xdr); |
1da177e4 | 5859 | if (!status) |
bf269551 | 5860 | status = decode_fsinfo(xdr, fsinfo); |
1da177e4 LT |
5861 | return status; |
5862 | } | |
5863 | ||
5864 | /* | |
8b173218 | 5865 | * Decode DELEGRETURN response |
1da177e4 | 5866 | */ |
bf269551 CL |
5867 | static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, |
5868 | struct xdr_stream *xdr, | |
5869 | struct nfs4_delegreturnres *res) | |
1da177e4 | 5870 | { |
1da177e4 LT |
5871 | struct compound_hdr hdr; |
5872 | int status; | |
5873 | ||
bf269551 | 5874 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5875 | if (status) |
5876 | goto out; | |
bf269551 | 5877 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5878 | if (status) |
fa178f29 | 5879 | goto out; |
bf269551 | 5880 | status = decode_putfh(xdr); |
fa178f29 TM |
5881 | if (status != 0) |
5882 | goto out; | |
bf269551 | 5883 | status = decode_delegreturn(xdr); |
556ae3bb JL |
5884 | if (status != 0) |
5885 | goto out; | |
bf269551 | 5886 | decode_getfattr(xdr, res->fattr, res->server, |
80e52ace | 5887 | !RPC_IS_ASYNC(rqstp->rq_task)); |
fa178f29 | 5888 | out: |
1da177e4 LT |
5889 | return status; |
5890 | } | |
5891 | ||
683b57b4 | 5892 | /* |
8b173218 | 5893 | * Decode FS_LOCATIONS response |
683b57b4 | 5894 | */ |
bf269551 CL |
5895 | static int nfs4_xdr_dec_fs_locations(struct rpc_rqst *req, |
5896 | struct xdr_stream *xdr, | |
22958463 | 5897 | struct nfs4_fs_locations_res *res) |
683b57b4 | 5898 | { |
683b57b4 TM |
5899 | struct compound_hdr hdr; |
5900 | int status; | |
5901 | ||
bf269551 | 5902 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5903 | if (status) |
5904 | goto out; | |
bf269551 | 5905 | status = decode_sequence(xdr, &res->seq_res, req); |
9b7b9fcc | 5906 | if (status) |
683b57b4 | 5907 | goto out; |
bf269551 CL |
5908 | status = decode_putfh(xdr); |
5909 | if (status) | |
683b57b4 | 5910 | goto out; |
bf269551 CL |
5911 | status = decode_lookup(xdr); |
5912 | if (status) | |
683b57b4 | 5913 | goto out; |
bf269551 CL |
5914 | xdr_enter_page(xdr, PAGE_SIZE); |
5915 | status = decode_getfattr(xdr, &res->fs_locations->fattr, | |
80e52ace TM |
5916 | res->fs_locations->server, |
5917 | !RPC_IS_ASYNC(req->rq_task)); | |
683b57b4 TM |
5918 | out: |
5919 | return status; | |
5920 | } | |
5921 | ||
99fe60d0 BH |
5922 | #if defined(CONFIG_NFS_V4_1) |
5923 | /* | |
8b173218 | 5924 | * Decode EXCHANGE_ID response |
99fe60d0 | 5925 | */ |
bf269551 CL |
5926 | static int nfs4_xdr_dec_exchange_id(struct rpc_rqst *rqstp, |
5927 | struct xdr_stream *xdr, | |
99fe60d0 BH |
5928 | void *res) |
5929 | { | |
99fe60d0 BH |
5930 | struct compound_hdr hdr; |
5931 | int status; | |
5932 | ||
bf269551 | 5933 | status = decode_compound_hdr(xdr, &hdr); |
99fe60d0 | 5934 | if (!status) |
bf269551 | 5935 | status = decode_exchange_id(xdr, res); |
99fe60d0 BH |
5936 | return status; |
5937 | } | |
2050f0cc | 5938 | |
fc931582 | 5939 | /* |
8b173218 | 5940 | * Decode CREATE_SESSION response |
fc931582 | 5941 | */ |
bf269551 CL |
5942 | static int nfs4_xdr_dec_create_session(struct rpc_rqst *rqstp, |
5943 | struct xdr_stream *xdr, | |
fc931582 AA |
5944 | struct nfs41_create_session_res *res) |
5945 | { | |
fc931582 AA |
5946 | struct compound_hdr hdr; |
5947 | int status; | |
5948 | ||
bf269551 | 5949 | status = decode_compound_hdr(xdr, &hdr); |
fc931582 | 5950 | if (!status) |
bf269551 | 5951 | status = decode_create_session(xdr, res); |
fc931582 AA |
5952 | return status; |
5953 | } | |
5954 | ||
0f3e66c6 | 5955 | /* |
8b173218 | 5956 | * Decode DESTROY_SESSION response |
0f3e66c6 | 5957 | */ |
bf269551 CL |
5958 | static int nfs4_xdr_dec_destroy_session(struct rpc_rqst *rqstp, |
5959 | struct xdr_stream *xdr, | |
5960 | void *res) | |
0f3e66c6 | 5961 | { |
0f3e66c6 AA |
5962 | struct compound_hdr hdr; |
5963 | int status; | |
5964 | ||
bf269551 | 5965 | status = decode_compound_hdr(xdr, &hdr); |
0f3e66c6 | 5966 | if (!status) |
bf269551 | 5967 | status = decode_destroy_session(xdr, res); |
0f3e66c6 AA |
5968 | return status; |
5969 | } | |
5970 | ||
fc01cea9 | 5971 | /* |
8b173218 | 5972 | * Decode SEQUENCE response |
fc01cea9 | 5973 | */ |
bf269551 CL |
5974 | static int nfs4_xdr_dec_sequence(struct rpc_rqst *rqstp, |
5975 | struct xdr_stream *xdr, | |
fc01cea9 AA |
5976 | struct nfs4_sequence_res *res) |
5977 | { | |
fc01cea9 AA |
5978 | struct compound_hdr hdr; |
5979 | int status; | |
5980 | ||
bf269551 | 5981 | status = decode_compound_hdr(xdr, &hdr); |
fc01cea9 | 5982 | if (!status) |
bf269551 | 5983 | status = decode_sequence(xdr, res, rqstp); |
fc01cea9 AA |
5984 | return status; |
5985 | } | |
5986 | ||
2050f0cc | 5987 | /* |
8b173218 | 5988 | * Decode GET_LEASE_TIME response |
2050f0cc | 5989 | */ |
bf269551 CL |
5990 | static int nfs4_xdr_dec_get_lease_time(struct rpc_rqst *rqstp, |
5991 | struct xdr_stream *xdr, | |
2050f0cc AA |
5992 | struct nfs4_get_lease_time_res *res) |
5993 | { | |
2050f0cc AA |
5994 | struct compound_hdr hdr; |
5995 | int status; | |
5996 | ||
bf269551 | 5997 | status = decode_compound_hdr(xdr, &hdr); |
2050f0cc | 5998 | if (!status) |
bf269551 | 5999 | status = decode_sequence(xdr, &res->lr_seq_res, rqstp); |
2050f0cc | 6000 | if (!status) |
bf269551 | 6001 | status = decode_putrootfh(xdr); |
2050f0cc | 6002 | if (!status) |
bf269551 | 6003 | status = decode_fsinfo(xdr, res->lr_fsinfo); |
2050f0cc AA |
6004 | return status; |
6005 | } | |
18019753 RL |
6006 | |
6007 | /* | |
6008 | * Decode RECLAIM_COMPLETE response | |
6009 | */ | |
bf269551 CL |
6010 | static int nfs4_xdr_dec_reclaim_complete(struct rpc_rqst *rqstp, |
6011 | struct xdr_stream *xdr, | |
18019753 RL |
6012 | struct nfs41_reclaim_complete_res *res) |
6013 | { | |
18019753 RL |
6014 | struct compound_hdr hdr; |
6015 | int status; | |
6016 | ||
bf269551 | 6017 | status = decode_compound_hdr(xdr, &hdr); |
18019753 | 6018 | if (!status) |
bf269551 | 6019 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
18019753 | 6020 | if (!status) |
bf269551 | 6021 | status = decode_reclaim_complete(xdr, (void *)NULL); |
18019753 RL |
6022 | return status; |
6023 | } | |
b1f69b75 AA |
6024 | |
6025 | /* | |
6026 | * Decode GETDEVINFO response | |
6027 | */ | |
bf269551 CL |
6028 | static int nfs4_xdr_dec_getdeviceinfo(struct rpc_rqst *rqstp, |
6029 | struct xdr_stream *xdr, | |
b1f69b75 AA |
6030 | struct nfs4_getdeviceinfo_res *res) |
6031 | { | |
b1f69b75 AA |
6032 | struct compound_hdr hdr; |
6033 | int status; | |
6034 | ||
bf269551 | 6035 | status = decode_compound_hdr(xdr, &hdr); |
b1f69b75 AA |
6036 | if (status != 0) |
6037 | goto out; | |
bf269551 | 6038 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
b1f69b75 AA |
6039 | if (status != 0) |
6040 | goto out; | |
bf269551 | 6041 | status = decode_getdeviceinfo(xdr, res->pdev); |
b1f69b75 AA |
6042 | out: |
6043 | return status; | |
6044 | } | |
6045 | ||
6046 | /* | |
6047 | * Decode LAYOUTGET response | |
6048 | */ | |
bf269551 CL |
6049 | static int nfs4_xdr_dec_layoutget(struct rpc_rqst *rqstp, |
6050 | struct xdr_stream *xdr, | |
b1f69b75 AA |
6051 | struct nfs4_layoutget_res *res) |
6052 | { | |
b1f69b75 AA |
6053 | struct compound_hdr hdr; |
6054 | int status; | |
6055 | ||
bf269551 | 6056 | status = decode_compound_hdr(xdr, &hdr); |
b1f69b75 AA |
6057 | if (status) |
6058 | goto out; | |
bf269551 | 6059 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
b1f69b75 AA |
6060 | if (status) |
6061 | goto out; | |
bf269551 | 6062 | status = decode_putfh(xdr); |
b1f69b75 AA |
6063 | if (status) |
6064 | goto out; | |
bf269551 | 6065 | status = decode_layoutget(xdr, rqstp, res); |
b1f69b75 AA |
6066 | out: |
6067 | return status; | |
6068 | } | |
99fe60d0 BH |
6069 | #endif /* CONFIG_NFS_V4_1 */ |
6070 | ||
573c4e1e CL |
6071 | /** |
6072 | * nfs4_decode_dirent - Decode a single NFSv4 directory entry stored in | |
6073 | * the local page cache. | |
6074 | * @xdr: XDR stream where entry resides | |
6075 | * @entry: buffer to fill in with entry data | |
6076 | * @plus: boolean indicating whether this should be a readdirplus entry | |
6077 | * | |
6078 | * Returns zero if successful, otherwise a negative errno value is | |
6079 | * returned. | |
6080 | * | |
6081 | * This function is not invoked during READDIR reply decoding, but | |
6082 | * rather whenever an application invokes the getdents(2) system call | |
6083 | * on a directory already in our cache. | |
6084 | */ | |
6085 | int nfs4_decode_dirent(struct xdr_stream *xdr, struct nfs_entry *entry, | |
6086 | int plus) | |
1da177e4 LT |
6087 | { |
6088 | uint32_t bitmap[2] = {0}; | |
6089 | uint32_t len; | |
babddc72 BS |
6090 | __be32 *p = xdr_inline_decode(xdr, 4); |
6091 | if (unlikely(!p)) | |
6092 | goto out_overflow; | |
c08e76d0 | 6093 | if (*p == xdr_zero) { |
babddc72 BS |
6094 | p = xdr_inline_decode(xdr, 4); |
6095 | if (unlikely(!p)) | |
6096 | goto out_overflow; | |
c08e76d0 | 6097 | if (*p == xdr_zero) |
573c4e1e | 6098 | return -EAGAIN; |
1da177e4 | 6099 | entry->eof = 1; |
573c4e1e | 6100 | return -EBADCOOKIE; |
1da177e4 LT |
6101 | } |
6102 | ||
babddc72 BS |
6103 | p = xdr_inline_decode(xdr, 12); |
6104 | if (unlikely(!p)) | |
6105 | goto out_overflow; | |
1da177e4 LT |
6106 | entry->prev_cookie = entry->cookie; |
6107 | p = xdr_decode_hyper(p, &entry->cookie); | |
c08e76d0 | 6108 | entry->len = be32_to_cpup(p); |
babddc72 | 6109 | |
9af8c222 | 6110 | p = xdr_inline_decode(xdr, entry->len); |
babddc72 BS |
6111 | if (unlikely(!p)) |
6112 | goto out_overflow; | |
1da177e4 | 6113 | entry->name = (const char *) p; |
1da177e4 LT |
6114 | |
6115 | /* | |
6116 | * In case the server doesn't return an inode number, | |
6117 | * we fake one here. (We don't use inode number 0, | |
6118 | * since glibc seems to choke on it...) | |
6119 | */ | |
6120 | entry->ino = 1; | |
4f082222 | 6121 | entry->fattr->valid = 0; |
1da177e4 | 6122 | |
9af8c222 TM |
6123 | if (decode_attr_bitmap(xdr, bitmap) < 0) |
6124 | goto out_overflow; | |
6125 | ||
6126 | if (decode_attr_length(xdr, &len, &p) < 0) | |
6127 | goto out_overflow; | |
6128 | ||
573c4e1e CL |
6129 | if (decode_getfattr_attrs(xdr, bitmap, entry->fattr, entry->fh, |
6130 | entry->server, 1) < 0) | |
9af8c222 TM |
6131 | goto out_overflow; |
6132 | if (entry->fattr->valid & NFS_ATTR_FATTR_FILEID) | |
6133 | entry->ino = entry->fattr->fileid; | |
6134 | ||
0b26a0bf TM |
6135 | entry->d_type = DT_UNKNOWN; |
6136 | if (entry->fattr->valid & NFS_ATTR_FATTR_TYPE) | |
6137 | entry->d_type = nfs_umode_to_dtype(entry->fattr->mode); | |
6138 | ||
573c4e1e | 6139 | return 0; |
babddc72 BS |
6140 | |
6141 | out_overflow: | |
6142 | print_overflow_msg(__func__, xdr); | |
573c4e1e | 6143 | return -EAGAIN; |
1da177e4 LT |
6144 | } |
6145 | ||
6146 | /* | |
6147 | * We need to translate between nfs status return values and | |
6148 | * the local errno values which may not be the same. | |
6149 | */ | |
6150 | static struct { | |
6151 | int stat; | |
6152 | int errno; | |
6153 | } nfs_errtbl[] = { | |
6154 | { NFS4_OK, 0 }, | |
856dff3d BH |
6155 | { NFS4ERR_PERM, -EPERM }, |
6156 | { NFS4ERR_NOENT, -ENOENT }, | |
6157 | { NFS4ERR_IO, -errno_NFSERR_IO}, | |
6158 | { NFS4ERR_NXIO, -ENXIO }, | |
6159 | { NFS4ERR_ACCESS, -EACCES }, | |
6160 | { NFS4ERR_EXIST, -EEXIST }, | |
6161 | { NFS4ERR_XDEV, -EXDEV }, | |
6162 | { NFS4ERR_NOTDIR, -ENOTDIR }, | |
6163 | { NFS4ERR_ISDIR, -EISDIR }, | |
6164 | { NFS4ERR_INVAL, -EINVAL }, | |
6165 | { NFS4ERR_FBIG, -EFBIG }, | |
6166 | { NFS4ERR_NOSPC, -ENOSPC }, | |
6167 | { NFS4ERR_ROFS, -EROFS }, | |
6168 | { NFS4ERR_MLINK, -EMLINK }, | |
6169 | { NFS4ERR_NAMETOOLONG, -ENAMETOOLONG }, | |
6170 | { NFS4ERR_NOTEMPTY, -ENOTEMPTY }, | |
6171 | { NFS4ERR_DQUOT, -EDQUOT }, | |
6172 | { NFS4ERR_STALE, -ESTALE }, | |
6173 | { NFS4ERR_BADHANDLE, -EBADHANDLE }, | |
856dff3d BH |
6174 | { NFS4ERR_BAD_COOKIE, -EBADCOOKIE }, |
6175 | { NFS4ERR_NOTSUPP, -ENOTSUPP }, | |
6176 | { NFS4ERR_TOOSMALL, -ETOOSMALL }, | |
fdcb4577 | 6177 | { NFS4ERR_SERVERFAULT, -EREMOTEIO }, |
856dff3d BH |
6178 | { NFS4ERR_BADTYPE, -EBADTYPE }, |
6179 | { NFS4ERR_LOCKED, -EAGAIN }, | |
856dff3d BH |
6180 | { NFS4ERR_SYMLINK, -ELOOP }, |
6181 | { NFS4ERR_OP_ILLEGAL, -EOPNOTSUPP }, | |
6182 | { NFS4ERR_DEADLOCK, -EDEADLK }, | |
6183 | { NFS4ERR_WRONGSEC, -EPERM }, /* FIXME: this needs | |
1da177e4 LT |
6184 | * to be handled by a |
6185 | * middle-layer. | |
6186 | */ | |
856dff3d | 6187 | { -1, -EIO } |
1da177e4 LT |
6188 | }; |
6189 | ||
6190 | /* | |
6191 | * Convert an NFS error code to a local one. | |
6192 | * This one is used jointly by NFSv2 and NFSv3. | |
6193 | */ | |
6194 | static int | |
0a8ea437 | 6195 | nfs4_stat_to_errno(int stat) |
1da177e4 LT |
6196 | { |
6197 | int i; | |
6198 | for (i = 0; nfs_errtbl[i].stat != -1; i++) { | |
6199 | if (nfs_errtbl[i].stat == stat) | |
6200 | return nfs_errtbl[i].errno; | |
6201 | } | |
6202 | if (stat <= 10000 || stat > 10100) { | |
6203 | /* The server is looney tunes. */ | |
fdcb4577 | 6204 | return -EREMOTEIO; |
1da177e4 LT |
6205 | } |
6206 | /* If we cannot translate the error, the recovery routines should | |
6207 | * handle it. | |
6208 | * Note: remaining NFSv4 error codes have values > 10000, so should | |
6209 | * not conflict with native Linux error codes. | |
6210 | */ | |
856dff3d | 6211 | return -stat; |
1da177e4 LT |
6212 | } |
6213 | ||
1da177e4 LT |
6214 | #define PROC(proc, argtype, restype) \ |
6215 | [NFSPROC4_CLNT_##proc] = { \ | |
6216 | .p_proc = NFSPROC4_COMPOUND, \ | |
9f06c719 | 6217 | .p_encode = (kxdreproc_t)nfs4_xdr_##argtype, \ |
bf269551 | 6218 | .p_decode = (kxdrdproc_t)nfs4_xdr_##restype, \ |
2bea90d4 CL |
6219 | .p_arglen = NFS4_##argtype##_sz, \ |
6220 | .p_replen = NFS4_##restype##_sz, \ | |
cc0175c1 CL |
6221 | .p_statidx = NFSPROC4_CLNT_##proc, \ |
6222 | .p_name = #proc, \ | |
05d564fe | 6223 | } |
1da177e4 LT |
6224 | |
6225 | struct rpc_procinfo nfs4_procedures[] = { | |
7d93bd71 CL |
6226 | PROC(READ, enc_read, dec_read), |
6227 | PROC(WRITE, enc_write, dec_write), | |
6228 | PROC(COMMIT, enc_commit, dec_commit), | |
6229 | PROC(OPEN, enc_open, dec_open), | |
6230 | PROC(OPEN_CONFIRM, enc_open_confirm, dec_open_confirm), | |
6231 | PROC(OPEN_NOATTR, enc_open_noattr, dec_open_noattr), | |
6232 | PROC(OPEN_DOWNGRADE, enc_open_downgrade, dec_open_downgrade), | |
6233 | PROC(CLOSE, enc_close, dec_close), | |
6234 | PROC(SETATTR, enc_setattr, dec_setattr), | |
6235 | PROC(FSINFO, enc_fsinfo, dec_fsinfo), | |
6236 | PROC(RENEW, enc_renew, dec_renew), | |
6237 | PROC(SETCLIENTID, enc_setclientid, dec_setclientid), | |
6238 | PROC(SETCLIENTID_CONFIRM, enc_setclientid_confirm, dec_setclientid_confirm), | |
6239 | PROC(LOCK, enc_lock, dec_lock), | |
6240 | PROC(LOCKT, enc_lockt, dec_lockt), | |
6241 | PROC(LOCKU, enc_locku, dec_locku), | |
6242 | PROC(ACCESS, enc_access, dec_access), | |
6243 | PROC(GETATTR, enc_getattr, dec_getattr), | |
6244 | PROC(LOOKUP, enc_lookup, dec_lookup), | |
6245 | PROC(LOOKUP_ROOT, enc_lookup_root, dec_lookup_root), | |
6246 | PROC(REMOVE, enc_remove, dec_remove), | |
6247 | PROC(RENAME, enc_rename, dec_rename), | |
6248 | PROC(LINK, enc_link, dec_link), | |
6249 | PROC(SYMLINK, enc_symlink, dec_symlink), | |
6250 | PROC(CREATE, enc_create, dec_create), | |
6251 | PROC(PATHCONF, enc_pathconf, dec_pathconf), | |
6252 | PROC(STATFS, enc_statfs, dec_statfs), | |
6253 | PROC(READLINK, enc_readlink, dec_readlink), | |
6254 | PROC(READDIR, enc_readdir, dec_readdir), | |
6255 | PROC(SERVER_CAPS, enc_server_caps, dec_server_caps), | |
6256 | PROC(DELEGRETURN, enc_delegreturn, dec_delegreturn), | |
6257 | PROC(GETACL, enc_getacl, dec_getacl), | |
6258 | PROC(SETACL, enc_setacl, dec_setacl), | |
6259 | PROC(FS_LOCATIONS, enc_fs_locations, dec_fs_locations), | |
6260 | PROC(RELEASE_LOCKOWNER, enc_release_lockowner, dec_release_lockowner), | |
99fe60d0 | 6261 | #if defined(CONFIG_NFS_V4_1) |
7d93bd71 CL |
6262 | PROC(EXCHANGE_ID, enc_exchange_id, dec_exchange_id), |
6263 | PROC(CREATE_SESSION, enc_create_session, dec_create_session), | |
6264 | PROC(DESTROY_SESSION, enc_destroy_session, dec_destroy_session), | |
6265 | PROC(SEQUENCE, enc_sequence, dec_sequence), | |
6266 | PROC(GET_LEASE_TIME, enc_get_lease_time, dec_get_lease_time), | |
6267 | PROC(RECLAIM_COMPLETE, enc_reclaim_complete, dec_reclaim_complete), | |
6268 | PROC(GETDEVICEINFO, enc_getdeviceinfo, dec_getdeviceinfo), | |
6269 | PROC(LAYOUTGET, enc_layoutget, dec_layoutget), | |
99fe60d0 | 6270 | #endif /* CONFIG_NFS_V4_1 */ |
1da177e4 LT |
6271 | }; |
6272 | ||
6273 | struct rpc_version nfs_version4 = { | |
6274 | .number = 4, | |
e8c96f8c | 6275 | .nrprocs = ARRAY_SIZE(nfs4_procedures), |
1da177e4 LT |
6276 | .procs = nfs4_procedures |
6277 | }; | |
6278 | ||
6279 | /* | |
6280 | * Local variables: | |
6281 | * c-basic-offset: 8 | |
6282 | * End: | |
6283 | */ |