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1da177e4 LT |
1 | /* |
2 | * fs/nfs/nfs4xdr.c | |
3 | * | |
4 | * Client-side XDR for NFSv4. | |
5 | * | |
6 | * Copyright (c) 2002 The Regents of the University of Michigan. | |
7 | * All rights reserved. | |
8 | * | |
9 | * Kendrick Smith <kmsmith@umich.edu> | |
10 | * Andy Adamson <andros@umich.edu> | |
6c0195a4 | 11 | * |
1da177e4 LT |
12 | * Redistribution and use in source and binary forms, with or without |
13 | * modification, are permitted provided that the following conditions | |
14 | * are met: | |
15 | * | |
16 | * 1. Redistributions of source code must retain the above copyright | |
17 | * notice, this list of conditions and the following disclaimer. | |
18 | * 2. Redistributions in binary form must reproduce the above copyright | |
19 | * notice, this list of conditions and the following disclaimer in the | |
20 | * documentation and/or other materials provided with the distribution. | |
21 | * 3. Neither the name of the University nor the names of its | |
22 | * contributors may be used to endorse or promote products derived | |
23 | * from this software without specific prior written permission. | |
24 | * | |
25 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED | |
26 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
27 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
28 | * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
29 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
30 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
31 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR | |
32 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | |
33 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
34 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
35 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
36 | */ | |
37 | ||
38 | #include <linux/param.h> | |
39 | #include <linux/time.h> | |
40 | #include <linux/mm.h> | |
1da177e4 LT |
41 | #include <linux/errno.h> |
42 | #include <linux/string.h> | |
43 | #include <linux/in.h> | |
44 | #include <linux/pagemap.h> | |
45 | #include <linux/proc_fs.h> | |
46 | #include <linux/kdev_t.h> | |
db8ac8ba WAA |
47 | #include <linux/module.h> |
48 | #include <linux/utsname.h> | |
1da177e4 | 49 | #include <linux/sunrpc/clnt.h> |
2449ea2e | 50 | #include <linux/sunrpc/msg_prot.h> |
5a5ea0d4 | 51 | #include <linux/sunrpc/gss_api.h> |
1da177e4 LT |
52 | #include <linux/nfs.h> |
53 | #include <linux/nfs4.h> | |
54 | #include <linux/nfs_fs.h> | |
55 | #include <linux/nfs_idmap.h> | |
f092075d | 56 | |
4ce79717 | 57 | #include "nfs4_fs.h" |
4882ef72 | 58 | #include "internal.h" |
b1f69b75 | 59 | #include "pnfs.h" |
f092075d | 60 | #include "netns.h" |
1da177e4 LT |
61 | |
62 | #define NFSDBG_FACILITY NFSDBG_XDR | |
63 | ||
64 | /* Mapping from NFS error code to "errno" error code. */ | |
65 | #define errno_NFSERR_IO EIO | |
66 | ||
0a8ea437 | 67 | static int nfs4_stat_to_errno(int); |
1da177e4 LT |
68 | |
69 | /* NFSv4 COMPOUND tags are only wanted for debugging purposes */ | |
70 | #ifdef DEBUG | |
71 | #define NFS4_MAXTAGLEN 20 | |
72 | #else | |
73 | #define NFS4_MAXTAGLEN 0 | |
74 | #endif | |
75 | ||
6c0195a4 | 76 | /* lock,open owner id: |
9f958ab8 | 77 | * we currently use size 2 (u64) out of (NFS4_OPAQUE_LIMIT >> 2) |
1da177e4 | 78 | */ |
95b72eb0 | 79 | #define open_owner_id_maxsz (1 + 2 + 1 + 1 + 2) |
d035c36c | 80 | #define lock_owner_id_maxsz (1 + 1 + 4) |
9104a55d | 81 | #define decode_lockowner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) |
1da177e4 LT |
82 | #define compound_encode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2)) |
83 | #define compound_decode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2)) | |
84 | #define op_encode_hdr_maxsz (1) | |
85 | #define op_decode_hdr_maxsz (2) | |
9104a55d TM |
86 | #define encode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE)) |
87 | #define decode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE)) | |
88 | #define encode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE)) | |
89 | #define decode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE)) | |
1da177e4 LT |
90 | #define encode_putfh_maxsz (op_encode_hdr_maxsz + 1 + \ |
91 | (NFS4_FHSIZE >> 2)) | |
92 | #define decode_putfh_maxsz (op_decode_hdr_maxsz) | |
93 | #define encode_putrootfh_maxsz (op_encode_hdr_maxsz) | |
94 | #define decode_putrootfh_maxsz (op_decode_hdr_maxsz) | |
95 | #define encode_getfh_maxsz (op_encode_hdr_maxsz) | |
96 | #define decode_getfh_maxsz (op_decode_hdr_maxsz + 1 + \ | |
97 | ((3+NFS4_FHSIZE) >> 2)) | |
e5012d1f | 98 | #define nfs4_fattr_bitmap_maxsz 4 |
96928206 | 99 | #define encode_getattr_maxsz (op_encode_hdr_maxsz + nfs4_fattr_bitmap_maxsz) |
1da177e4 LT |
100 | #define nfs4_name_maxsz (1 + ((3 + NFS4_MAXNAMLEN) >> 2)) |
101 | #define nfs4_path_maxsz (1 + ((3 + NFS4_MAXPATHLEN) >> 2)) | |
bd625ba8 TM |
102 | #define nfs4_owner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) |
103 | #define nfs4_group_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) | |
96928206 BF |
104 | /* This is based on getfattr, which uses the most attributes: */ |
105 | #define nfs4_fattr_value_maxsz (1 + (1 + 2 + 2 + 4 + 2 + 1 + 1 + 2 + 2 + \ | |
bd625ba8 | 106 | 3 + 3 + 3 + nfs4_owner_maxsz + nfs4_group_maxsz)) |
96928206 BF |
107 | #define nfs4_fattr_maxsz (nfs4_fattr_bitmap_maxsz + \ |
108 | nfs4_fattr_value_maxsz) | |
109 | #define decode_getattr_maxsz (op_decode_hdr_maxsz + nfs4_fattr_maxsz) | |
9104a55d TM |
110 | #define encode_attrs_maxsz (nfs4_fattr_bitmap_maxsz + \ |
111 | 1 + 2 + 1 + \ | |
112 | nfs4_owner_maxsz + \ | |
113 | nfs4_group_maxsz + \ | |
114 | 4 + 4) | |
1da177e4 LT |
115 | #define encode_savefh_maxsz (op_encode_hdr_maxsz) |
116 | #define decode_savefh_maxsz (op_decode_hdr_maxsz) | |
56ae19f3 TM |
117 | #define encode_restorefh_maxsz (op_encode_hdr_maxsz) |
118 | #define decode_restorefh_maxsz (op_decode_hdr_maxsz) | |
2f42b5d0 | 119 | #define encode_fsinfo_maxsz (encode_getattr_maxsz) |
dae100c2 FI |
120 | /* The 5 accounts for the PNFS attributes, and assumes that at most three |
121 | * layout types will be returned. | |
122 | */ | |
123 | #define decode_fsinfo_maxsz (op_decode_hdr_maxsz + \ | |
124 | nfs4_fattr_bitmap_maxsz + 4 + 8 + 5) | |
1da177e4 LT |
125 | #define encode_renew_maxsz (op_encode_hdr_maxsz + 3) |
126 | #define decode_renew_maxsz (op_decode_hdr_maxsz) | |
127 | #define encode_setclientid_maxsz \ | |
128 | (op_encode_hdr_maxsz + \ | |
cc38bac3 CL |
129 | XDR_QUADLEN(NFS4_VERIFIER_SIZE) + \ |
130 | XDR_QUADLEN(NFS4_SETCLIENTID_NAMELEN) + \ | |
131 | 1 /* sc_prog */ + \ | |
132 | XDR_QUADLEN(RPCBIND_MAXNETIDLEN) + \ | |
133 | XDR_QUADLEN(RPCBIND_MAXUADDRLEN) + \ | |
134 | 1) /* sc_cb_ident */ | |
1da177e4 LT |
135 | #define decode_setclientid_maxsz \ |
136 | (op_decode_hdr_maxsz + \ | |
137 | 2 + \ | |
138 | 1024) /* large value for CLID_INUSE */ | |
139 | #define encode_setclientid_confirm_maxsz \ | |
140 | (op_encode_hdr_maxsz + \ | |
141 | 3 + (NFS4_VERIFIER_SIZE >> 2)) | |
142 | #define decode_setclientid_confirm_maxsz \ | |
143 | (op_decode_hdr_maxsz) | |
e6889620 TM |
144 | #define encode_lookup_maxsz (op_encode_hdr_maxsz + nfs4_name_maxsz) |
145 | #define decode_lookup_maxsz (op_decode_hdr_maxsz) | |
2cebf828 TM |
146 | #define encode_share_access_maxsz \ |
147 | (2) | |
4882ef72 | 148 | #define encode_createmode_maxsz (1 + encode_attrs_maxsz + encode_verifier_maxsz) |
2cebf828 TM |
149 | #define encode_opentype_maxsz (1 + encode_createmode_maxsz) |
150 | #define encode_claim_null_maxsz (1 + nfs4_name_maxsz) | |
151 | #define encode_open_maxsz (op_encode_hdr_maxsz + \ | |
152 | 2 + encode_share_access_maxsz + 2 + \ | |
153 | open_owner_id_maxsz + \ | |
154 | encode_opentype_maxsz + \ | |
155 | encode_claim_null_maxsz) | |
156 | #define decode_ace_maxsz (3 + nfs4_owner_maxsz) | |
9104a55d | 157 | #define decode_delegation_maxsz (1 + decode_stateid_maxsz + 1 + \ |
2cebf828 TM |
158 | decode_ace_maxsz) |
159 | #define decode_change_info_maxsz (5) | |
160 | #define decode_open_maxsz (op_decode_hdr_maxsz + \ | |
9104a55d | 161 | decode_stateid_maxsz + \ |
2cebf828 TM |
162 | decode_change_info_maxsz + 1 + \ |
163 | nfs4_fattr_bitmap_maxsz + \ | |
164 | decode_delegation_maxsz) | |
9104a55d TM |
165 | #define encode_open_confirm_maxsz \ |
166 | (op_encode_hdr_maxsz + \ | |
167 | encode_stateid_maxsz + 1) | |
168 | #define decode_open_confirm_maxsz \ | |
169 | (op_decode_hdr_maxsz + \ | |
170 | decode_stateid_maxsz) | |
171 | #define encode_open_downgrade_maxsz \ | |
172 | (op_encode_hdr_maxsz + \ | |
173 | encode_stateid_maxsz + 1 + \ | |
174 | encode_share_access_maxsz) | |
175 | #define decode_open_downgrade_maxsz \ | |
176 | (op_decode_hdr_maxsz + \ | |
177 | decode_stateid_maxsz) | |
178 | #define encode_close_maxsz (op_encode_hdr_maxsz + \ | |
179 | 1 + encode_stateid_maxsz) | |
180 | #define decode_close_maxsz (op_decode_hdr_maxsz + \ | |
181 | decode_stateid_maxsz) | |
182 | #define encode_setattr_maxsz (op_encode_hdr_maxsz + \ | |
183 | encode_stateid_maxsz + \ | |
184 | encode_attrs_maxsz) | |
185 | #define decode_setattr_maxsz (op_decode_hdr_maxsz + \ | |
186 | nfs4_fattr_bitmap_maxsz) | |
187 | #define encode_read_maxsz (op_encode_hdr_maxsz + \ | |
188 | encode_stateid_maxsz + 3) | |
189 | #define decode_read_maxsz (op_decode_hdr_maxsz + 2) | |
190 | #define encode_readdir_maxsz (op_encode_hdr_maxsz + \ | |
191 | 2 + encode_verifier_maxsz + 5) | |
192 | #define decode_readdir_maxsz (op_decode_hdr_maxsz + \ | |
193 | decode_verifier_maxsz) | |
194 | #define encode_readlink_maxsz (op_encode_hdr_maxsz) | |
195 | #define decode_readlink_maxsz (op_decode_hdr_maxsz + 1) | |
196 | #define encode_write_maxsz (op_encode_hdr_maxsz + \ | |
197 | encode_stateid_maxsz + 4) | |
198 | #define decode_write_maxsz (op_decode_hdr_maxsz + \ | |
199 | 2 + decode_verifier_maxsz) | |
200 | #define encode_commit_maxsz (op_encode_hdr_maxsz + 3) | |
201 | #define decode_commit_maxsz (op_decode_hdr_maxsz + \ | |
202 | decode_verifier_maxsz) | |
1da177e4 LT |
203 | #define encode_remove_maxsz (op_encode_hdr_maxsz + \ |
204 | nfs4_name_maxsz) | |
6ce18391 BH |
205 | #define decode_remove_maxsz (op_decode_hdr_maxsz + \ |
206 | decode_change_info_maxsz) | |
1da177e4 LT |
207 | #define encode_rename_maxsz (op_encode_hdr_maxsz + \ |
208 | 2 * nfs4_name_maxsz) | |
6ce18391 BH |
209 | #define decode_rename_maxsz (op_decode_hdr_maxsz + \ |
210 | decode_change_info_maxsz + \ | |
211 | decode_change_info_maxsz) | |
1da177e4 LT |
212 | #define encode_link_maxsz (op_encode_hdr_maxsz + \ |
213 | nfs4_name_maxsz) | |
6ce18391 | 214 | #define decode_link_maxsz (op_decode_hdr_maxsz + decode_change_info_maxsz) |
daccbded | 215 | #define encode_lockowner_maxsz (7) |
9104a55d TM |
216 | #define encode_lock_maxsz (op_encode_hdr_maxsz + \ |
217 | 7 + \ | |
daccbded TM |
218 | 1 + encode_stateid_maxsz + 1 + \ |
219 | encode_lockowner_maxsz) | |
9104a55d TM |
220 | #define decode_lock_denied_maxsz \ |
221 | (8 + decode_lockowner_maxsz) | |
222 | #define decode_lock_maxsz (op_decode_hdr_maxsz + \ | |
223 | decode_lock_denied_maxsz) | |
daccbded TM |
224 | #define encode_lockt_maxsz (op_encode_hdr_maxsz + 5 + \ |
225 | encode_lockowner_maxsz) | |
9104a55d TM |
226 | #define decode_lockt_maxsz (op_decode_hdr_maxsz + \ |
227 | decode_lock_denied_maxsz) | |
228 | #define encode_locku_maxsz (op_encode_hdr_maxsz + 3 + \ | |
229 | encode_stateid_maxsz + \ | |
230 | 4) | |
231 | #define decode_locku_maxsz (op_decode_hdr_maxsz + \ | |
232 | decode_stateid_maxsz) | |
d3c7b7cc TM |
233 | #define encode_release_lockowner_maxsz \ |
234 | (op_encode_hdr_maxsz + \ | |
235 | encode_lockowner_maxsz) | |
236 | #define decode_release_lockowner_maxsz \ | |
237 | (op_decode_hdr_maxsz) | |
9104a55d TM |
238 | #define encode_access_maxsz (op_encode_hdr_maxsz + 1) |
239 | #define decode_access_maxsz (op_decode_hdr_maxsz + 2) | |
1da177e4 LT |
240 | #define encode_symlink_maxsz (op_encode_hdr_maxsz + \ |
241 | 1 + nfs4_name_maxsz + \ | |
94a6d753 | 242 | 1 + \ |
96928206 | 243 | nfs4_fattr_maxsz) |
1da177e4 LT |
244 | #define decode_symlink_maxsz (op_decode_hdr_maxsz + 8) |
245 | #define encode_create_maxsz (op_encode_hdr_maxsz + \ | |
9104a55d TM |
246 | 1 + 2 + nfs4_name_maxsz + \ |
247 | encode_attrs_maxsz) | |
2cebf828 TM |
248 | #define decode_create_maxsz (op_decode_hdr_maxsz + \ |
249 | decode_change_info_maxsz + \ | |
250 | nfs4_fattr_bitmap_maxsz) | |
9104a55d TM |
251 | #define encode_statfs_maxsz (encode_getattr_maxsz) |
252 | #define decode_statfs_maxsz (decode_getattr_maxsz) | |
1da177e4 LT |
253 | #define encode_delegreturn_maxsz (op_encode_hdr_maxsz + 4) |
254 | #define decode_delegreturn_maxsz (op_decode_hdr_maxsz) | |
9104a55d TM |
255 | #define encode_getacl_maxsz (encode_getattr_maxsz) |
256 | #define decode_getacl_maxsz (op_decode_hdr_maxsz + \ | |
257 | nfs4_fattr_bitmap_maxsz + 1) | |
258 | #define encode_setacl_maxsz (op_encode_hdr_maxsz + \ | |
259 | encode_stateid_maxsz + 3) | |
260 | #define decode_setacl_maxsz (decode_setattr_maxsz) | |
e6889620 TM |
261 | #define encode_fs_locations_maxsz \ |
262 | (encode_getattr_maxsz) | |
263 | #define decode_fs_locations_maxsz \ | |
264 | (0) | |
5a5ea0d4 | 265 | #define encode_secinfo_maxsz (op_encode_hdr_maxsz + nfs4_name_maxsz) |
1650add2 | 266 | #define decode_secinfo_maxsz (op_decode_hdr_maxsz + 1 + ((NFS_MAX_SECFLAVORS * (16 + GSS_OID_MAX_LEN)) / 4)) |
9b7b9fcc AA |
267 | |
268 | #if defined(CONFIG_NFS_V4_1) | |
fc931582 AA |
269 | #define NFS4_MAX_MACHINE_NAME_LEN (64) |
270 | ||
99fe60d0 BH |
271 | #define encode_exchange_id_maxsz (op_encode_hdr_maxsz + \ |
272 | encode_verifier_maxsz + \ | |
273 | 1 /* co_ownerid.len */ + \ | |
274 | XDR_QUADLEN(NFS4_EXCHANGE_ID_LEN) + \ | |
275 | 1 /* flags */ + \ | |
276 | 1 /* spa_how */ + \ | |
277 | 0 /* SP4_NONE (for now) */ + \ | |
db8ac8ba WAA |
278 | 1 /* implementation id array of size 1 */ + \ |
279 | 1 /* nii_domain */ + \ | |
280 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
281 | 1 /* nii_name */ + \ | |
282 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
283 | 3 /* nii_date */) | |
99fe60d0 BH |
284 | #define decode_exchange_id_maxsz (op_decode_hdr_maxsz + \ |
285 | 2 /* eir_clientid */ + \ | |
286 | 1 /* eir_sequenceid */ + \ | |
287 | 1 /* eir_flags */ + \ | |
288 | 1 /* spr_how */ + \ | |
289 | 0 /* SP4_NONE (for now) */ + \ | |
290 | 2 /* eir_server_owner.so_minor_id */ + \ | |
291 | /* eir_server_owner.so_major_id<> */ \ | |
292 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 + \ | |
293 | /* eir_server_scope<> */ \ | |
294 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 + \ | |
295 | 1 /* eir_server_impl_id array length */ + \ | |
7d2ed9ac WAA |
296 | 1 /* nii_domain */ + \ |
297 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
298 | 1 /* nii_name */ + \ | |
299 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
300 | 3 /* nii_date */) | |
fc931582 AA |
301 | #define encode_channel_attrs_maxsz (6 + 1 /* ca_rdma_ird.len (0) */) |
302 | #define decode_channel_attrs_maxsz (6 + \ | |
303 | 1 /* ca_rdma_ird.len */ + \ | |
304 | 1 /* ca_rdma_ird */) | |
305 | #define encode_create_session_maxsz (op_encode_hdr_maxsz + \ | |
306 | 2 /* csa_clientid */ + \ | |
307 | 1 /* csa_sequence */ + \ | |
308 | 1 /* csa_flags */ + \ | |
309 | encode_channel_attrs_maxsz + \ | |
310 | encode_channel_attrs_maxsz + \ | |
311 | 1 /* csa_cb_program */ + \ | |
312 | 1 /* csa_sec_parms.len (1) */ + \ | |
313 | 1 /* cb_secflavor (AUTH_SYS) */ + \ | |
314 | 1 /* stamp */ + \ | |
315 | 1 /* machinename.len */ + \ | |
316 | XDR_QUADLEN(NFS4_MAX_MACHINE_NAME_LEN) + \ | |
317 | 1 /* uid */ + \ | |
318 | 1 /* gid */ + \ | |
319 | 1 /* gids.len (0) */) | |
320 | #define decode_create_session_maxsz (op_decode_hdr_maxsz + \ | |
321 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + \ | |
322 | 1 /* csr_sequence */ + \ | |
323 | 1 /* csr_flags */ + \ | |
324 | decode_channel_attrs_maxsz + \ | |
325 | decode_channel_attrs_maxsz) | |
0f3e66c6 AA |
326 | #define encode_destroy_session_maxsz (op_encode_hdr_maxsz + 4) |
327 | #define decode_destroy_session_maxsz (op_decode_hdr_maxsz) | |
fc01cea9 AA |
328 | #define encode_sequence_maxsz (op_encode_hdr_maxsz + \ |
329 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 4) | |
330 | #define decode_sequence_maxsz (op_decode_hdr_maxsz + \ | |
331 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 5) | |
18019753 RL |
332 | #define encode_reclaim_complete_maxsz (op_encode_hdr_maxsz + 4) |
333 | #define decode_reclaim_complete_maxsz (op_decode_hdr_maxsz + 4) | |
7f11d8d3 AA |
334 | #define encode_getdevicelist_maxsz (op_encode_hdr_maxsz + 4 + \ |
335 | encode_verifier_maxsz) | |
336 | #define decode_getdevicelist_maxsz (op_decode_hdr_maxsz + \ | |
337 | 2 /* nfs_cookie4 gdlr_cookie */ + \ | |
338 | decode_verifier_maxsz \ | |
339 | /* verifier4 gdlr_verifier */ + \ | |
340 | 1 /* gdlr_deviceid_list count */ + \ | |
341 | XDR_QUADLEN(NFS4_PNFS_GETDEVLIST_MAXNUM * \ | |
342 | NFS4_DEVICEID4_SIZE) \ | |
343 | /* gdlr_deviceid_list */ + \ | |
344 | 1 /* bool gdlr_eof */) | |
b1f69b75 AA |
345 | #define encode_getdeviceinfo_maxsz (op_encode_hdr_maxsz + 4 + \ |
346 | XDR_QUADLEN(NFS4_DEVICEID4_SIZE)) | |
347 | #define decode_getdeviceinfo_maxsz (op_decode_hdr_maxsz + \ | |
348 | 1 /* layout type */ + \ | |
349 | 1 /* opaque devaddr4 length */ + \ | |
350 | /* devaddr4 payload is read into page */ \ | |
351 | 1 /* notification bitmap length */ + \ | |
352 | 1 /* notification bitmap */) | |
353 | #define encode_layoutget_maxsz (op_encode_hdr_maxsz + 10 + \ | |
354 | encode_stateid_maxsz) | |
355 | #define decode_layoutget_maxsz (op_decode_hdr_maxsz + 8 + \ | |
356 | decode_stateid_maxsz + \ | |
357 | XDR_QUADLEN(PNFS_LAYOUT_MAXSIZE)) | |
863a3c6c AA |
358 | #define encode_layoutcommit_maxsz (op_encode_hdr_maxsz + \ |
359 | 2 /* offset */ + \ | |
360 | 2 /* length */ + \ | |
361 | 1 /* reclaim */ + \ | |
362 | encode_stateid_maxsz + \ | |
363 | 1 /* new offset (true) */ + \ | |
364 | 2 /* last byte written */ + \ | |
365 | 1 /* nt_timechanged (false) */ + \ | |
366 | 1 /* layoutupdate4 layout type */ + \ | |
367 | 1 /* NULL filelayout layoutupdate4 payload */) | |
368 | #define decode_layoutcommit_maxsz (op_decode_hdr_maxsz + 3) | |
cbe82603 BH |
369 | #define encode_layoutreturn_maxsz (8 + op_encode_hdr_maxsz + \ |
370 | encode_stateid_maxsz + \ | |
371 | 1 /* FIXME: opaque lrf_body always empty at the moment */) | |
372 | #define decode_layoutreturn_maxsz (op_decode_hdr_maxsz + \ | |
373 | 1 + decode_stateid_maxsz) | |
fca78d6d BS |
374 | #define encode_secinfo_no_name_maxsz (op_encode_hdr_maxsz + 1) |
375 | #define decode_secinfo_no_name_maxsz decode_secinfo_maxsz | |
7d974794 BS |
376 | #define encode_test_stateid_maxsz (op_encode_hdr_maxsz + 2 + \ |
377 | XDR_QUADLEN(NFS4_STATEID_SIZE)) | |
378 | #define decode_test_stateid_maxsz (op_decode_hdr_maxsz + 2 + 1) | |
9aeda35f BS |
379 | #define encode_free_stateid_maxsz (op_encode_hdr_maxsz + 1 + \ |
380 | XDR_QUADLEN(NFS4_STATEID_SIZE)) | |
381 | #define decode_free_stateid_maxsz (op_decode_hdr_maxsz + 1) | |
9b7b9fcc AA |
382 | #else /* CONFIG_NFS_V4_1 */ |
383 | #define encode_sequence_maxsz 0 | |
384 | #define decode_sequence_maxsz 0 | |
385 | #endif /* CONFIG_NFS_V4_1 */ | |
386 | ||
1da177e4 LT |
387 | #define NFS4_enc_compound_sz (1024) /* XXX: large enough? */ |
388 | #define NFS4_dec_compound_sz (1024) /* XXX: large enough? */ | |
389 | #define NFS4_enc_read_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 390 | encode_sequence_maxsz + \ |
1da177e4 | 391 | encode_putfh_maxsz + \ |
9104a55d | 392 | encode_read_maxsz) |
1da177e4 | 393 | #define NFS4_dec_read_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 394 | decode_sequence_maxsz + \ |
1da177e4 | 395 | decode_putfh_maxsz + \ |
9104a55d | 396 | decode_read_maxsz) |
1da177e4 | 397 | #define NFS4_enc_readlink_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 398 | encode_sequence_maxsz + \ |
1da177e4 | 399 | encode_putfh_maxsz + \ |
9104a55d | 400 | encode_readlink_maxsz) |
1da177e4 | 401 | #define NFS4_dec_readlink_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 402 | decode_sequence_maxsz + \ |
1da177e4 | 403 | decode_putfh_maxsz + \ |
9104a55d | 404 | decode_readlink_maxsz) |
1da177e4 | 405 | #define NFS4_enc_readdir_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 406 | encode_sequence_maxsz + \ |
1da177e4 | 407 | encode_putfh_maxsz + \ |
9104a55d | 408 | encode_readdir_maxsz) |
1da177e4 | 409 | #define NFS4_dec_readdir_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 410 | decode_sequence_maxsz + \ |
1da177e4 | 411 | decode_putfh_maxsz + \ |
9104a55d | 412 | decode_readdir_maxsz) |
1da177e4 | 413 | #define NFS4_enc_write_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 414 | encode_sequence_maxsz + \ |
1da177e4 | 415 | encode_putfh_maxsz + \ |
9104a55d | 416 | encode_write_maxsz + \ |
4f9838c7 | 417 | encode_getattr_maxsz) |
1da177e4 | 418 | #define NFS4_dec_write_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 419 | decode_sequence_maxsz + \ |
1da177e4 | 420 | decode_putfh_maxsz + \ |
9104a55d | 421 | decode_write_maxsz + \ |
4f9838c7 | 422 | decode_getattr_maxsz) |
1da177e4 | 423 | #define NFS4_enc_commit_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 424 | encode_sequence_maxsz + \ |
1da177e4 | 425 | encode_putfh_maxsz + \ |
8582715e | 426 | encode_commit_maxsz) |
1da177e4 | 427 | #define NFS4_dec_commit_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 428 | decode_sequence_maxsz + \ |
1da177e4 | 429 | decode_putfh_maxsz + \ |
8582715e | 430 | decode_commit_maxsz) |
1da177e4 | 431 | #define NFS4_enc_open_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 432 | encode_sequence_maxsz + \ |
2cebf828 | 433 | encode_putfh_maxsz + \ |
2cebf828 TM |
434 | encode_open_maxsz + \ |
435 | encode_getfh_maxsz + \ | |
2cebf828 | 436 | encode_getattr_maxsz) |
1da177e4 | 437 | #define NFS4_dec_open_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 438 | decode_sequence_maxsz + \ |
2cebf828 | 439 | decode_putfh_maxsz + \ |
2cebf828 TM |
440 | decode_open_maxsz + \ |
441 | decode_getfh_maxsz + \ | |
2cebf828 | 442 | decode_getattr_maxsz) |
9104a55d TM |
443 | #define NFS4_enc_open_confirm_sz \ |
444 | (compound_encode_hdr_maxsz + \ | |
445 | encode_putfh_maxsz + \ | |
446 | encode_open_confirm_maxsz) | |
447 | #define NFS4_dec_open_confirm_sz \ | |
448 | (compound_decode_hdr_maxsz + \ | |
449 | decode_putfh_maxsz + \ | |
450 | decode_open_confirm_maxsz) | |
1da177e4 | 451 | #define NFS4_enc_open_noattr_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 452 | encode_sequence_maxsz + \ |
1da177e4 | 453 | encode_putfh_maxsz + \ |
2cebf828 TM |
454 | encode_open_maxsz + \ |
455 | encode_getattr_maxsz) | |
1da177e4 | 456 | #define NFS4_dec_open_noattr_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 457 | decode_sequence_maxsz + \ |
1da177e4 | 458 | decode_putfh_maxsz + \ |
2cebf828 TM |
459 | decode_open_maxsz + \ |
460 | decode_getattr_maxsz) | |
1da177e4 LT |
461 | #define NFS4_enc_open_downgrade_sz \ |
462 | (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 463 | encode_sequence_maxsz + \ |
9104a55d TM |
464 | encode_putfh_maxsz + \ |
465 | encode_open_downgrade_maxsz + \ | |
466 | encode_getattr_maxsz) | |
1da177e4 LT |
467 | #define NFS4_dec_open_downgrade_sz \ |
468 | (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 469 | decode_sequence_maxsz + \ |
9104a55d TM |
470 | decode_putfh_maxsz + \ |
471 | decode_open_downgrade_maxsz + \ | |
472 | decode_getattr_maxsz) | |
473 | #define NFS4_enc_close_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 474 | encode_sequence_maxsz + \ |
9104a55d TM |
475 | encode_putfh_maxsz + \ |
476 | encode_close_maxsz + \ | |
477 | encode_getattr_maxsz) | |
478 | #define NFS4_dec_close_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 479 | decode_sequence_maxsz + \ |
9104a55d TM |
480 | decode_putfh_maxsz + \ |
481 | decode_close_maxsz + \ | |
482 | decode_getattr_maxsz) | |
483 | #define NFS4_enc_setattr_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 484 | encode_sequence_maxsz + \ |
9104a55d TM |
485 | encode_putfh_maxsz + \ |
486 | encode_setattr_maxsz + \ | |
487 | encode_getattr_maxsz) | |
488 | #define NFS4_dec_setattr_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 489 | decode_sequence_maxsz + \ |
9104a55d TM |
490 | decode_putfh_maxsz + \ |
491 | decode_setattr_maxsz + \ | |
492 | decode_getattr_maxsz) | |
1da177e4 | 493 | #define NFS4_enc_fsinfo_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 494 | encode_sequence_maxsz + \ |
1da177e4 LT |
495 | encode_putfh_maxsz + \ |
496 | encode_fsinfo_maxsz) | |
497 | #define NFS4_dec_fsinfo_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 498 | decode_sequence_maxsz + \ |
1da177e4 LT |
499 | decode_putfh_maxsz + \ |
500 | decode_fsinfo_maxsz) | |
501 | #define NFS4_enc_renew_sz (compound_encode_hdr_maxsz + \ | |
502 | encode_renew_maxsz) | |
503 | #define NFS4_dec_renew_sz (compound_decode_hdr_maxsz + \ | |
504 | decode_renew_maxsz) | |
505 | #define NFS4_enc_setclientid_sz (compound_encode_hdr_maxsz + \ | |
506 | encode_setclientid_maxsz) | |
507 | #define NFS4_dec_setclientid_sz (compound_decode_hdr_maxsz + \ | |
508 | decode_setclientid_maxsz) | |
509 | #define NFS4_enc_setclientid_confirm_sz \ | |
510 | (compound_encode_hdr_maxsz + \ | |
511 | encode_setclientid_confirm_maxsz + \ | |
512 | encode_putrootfh_maxsz + \ | |
513 | encode_fsinfo_maxsz) | |
514 | #define NFS4_dec_setclientid_confirm_sz \ | |
515 | (compound_decode_hdr_maxsz + \ | |
516 | decode_setclientid_confirm_maxsz + \ | |
517 | decode_putrootfh_maxsz + \ | |
518 | decode_fsinfo_maxsz) | |
519 | #define NFS4_enc_lock_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 520 | encode_sequence_maxsz + \ |
1da177e4 | 521 | encode_putfh_maxsz + \ |
9104a55d | 522 | encode_lock_maxsz) |
1da177e4 | 523 | #define NFS4_dec_lock_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 524 | decode_sequence_maxsz + \ |
1da177e4 | 525 | decode_putfh_maxsz + \ |
9104a55d | 526 | decode_lock_maxsz) |
1da177e4 | 527 | #define NFS4_enc_lockt_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 528 | encode_sequence_maxsz + \ |
1da177e4 | 529 | encode_putfh_maxsz + \ |
9104a55d TM |
530 | encode_lockt_maxsz) |
531 | #define NFS4_dec_lockt_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 532 | decode_sequence_maxsz + \ |
9104a55d TM |
533 | decode_putfh_maxsz + \ |
534 | decode_lockt_maxsz) | |
1da177e4 | 535 | #define NFS4_enc_locku_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 536 | encode_sequence_maxsz + \ |
1da177e4 | 537 | encode_putfh_maxsz + \ |
9104a55d | 538 | encode_locku_maxsz) |
1da177e4 | 539 | #define NFS4_dec_locku_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 540 | decode_sequence_maxsz + \ |
1da177e4 | 541 | decode_putfh_maxsz + \ |
9104a55d | 542 | decode_locku_maxsz) |
d3c7b7cc TM |
543 | #define NFS4_enc_release_lockowner_sz \ |
544 | (compound_encode_hdr_maxsz + \ | |
545 | encode_lockowner_maxsz) | |
546 | #define NFS4_dec_release_lockowner_sz \ | |
547 | (compound_decode_hdr_maxsz + \ | |
548 | decode_lockowner_maxsz) | |
1da177e4 | 549 | #define NFS4_enc_access_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 550 | encode_sequence_maxsz + \ |
1da177e4 | 551 | encode_putfh_maxsz + \ |
76b32999 TM |
552 | encode_access_maxsz + \ |
553 | encode_getattr_maxsz) | |
1da177e4 | 554 | #define NFS4_dec_access_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 555 | decode_sequence_maxsz + \ |
1da177e4 | 556 | decode_putfh_maxsz + \ |
76b32999 TM |
557 | decode_access_maxsz + \ |
558 | decode_getattr_maxsz) | |
1da177e4 | 559 | #define NFS4_enc_getattr_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 560 | encode_sequence_maxsz + \ |
1da177e4 LT |
561 | encode_putfh_maxsz + \ |
562 | encode_getattr_maxsz) | |
563 | #define NFS4_dec_getattr_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 564 | decode_sequence_maxsz + \ |
1da177e4 LT |
565 | decode_putfh_maxsz + \ |
566 | decode_getattr_maxsz) | |
567 | #define NFS4_enc_lookup_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 568 | encode_sequence_maxsz + \ |
1da177e4 LT |
569 | encode_putfh_maxsz + \ |
570 | encode_lookup_maxsz + \ | |
571 | encode_getattr_maxsz + \ | |
572 | encode_getfh_maxsz) | |
573 | #define NFS4_dec_lookup_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 574 | decode_sequence_maxsz + \ |
1da177e4 | 575 | decode_putfh_maxsz + \ |
e6889620 | 576 | decode_lookup_maxsz + \ |
1da177e4 LT |
577 | decode_getattr_maxsz + \ |
578 | decode_getfh_maxsz) | |
579 | #define NFS4_enc_lookup_root_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 580 | encode_sequence_maxsz + \ |
1da177e4 LT |
581 | encode_putrootfh_maxsz + \ |
582 | encode_getattr_maxsz + \ | |
583 | encode_getfh_maxsz) | |
584 | #define NFS4_dec_lookup_root_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 585 | decode_sequence_maxsz + \ |
1da177e4 LT |
586 | decode_putrootfh_maxsz + \ |
587 | decode_getattr_maxsz + \ | |
588 | decode_getfh_maxsz) | |
589 | #define NFS4_enc_remove_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 590 | encode_sequence_maxsz + \ |
1da177e4 | 591 | encode_putfh_maxsz + \ |
778d2817 | 592 | encode_remove_maxsz) |
1da177e4 | 593 | #define NFS4_dec_remove_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 594 | decode_sequence_maxsz + \ |
1da177e4 | 595 | decode_putfh_maxsz + \ |
778d2817 | 596 | decode_remove_maxsz) |
1da177e4 | 597 | #define NFS4_enc_rename_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 598 | encode_sequence_maxsz + \ |
1da177e4 LT |
599 | encode_putfh_maxsz + \ |
600 | encode_savefh_maxsz + \ | |
601 | encode_putfh_maxsz + \ | |
778d2817 | 602 | encode_rename_maxsz) |
1da177e4 | 603 | #define NFS4_dec_rename_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 604 | decode_sequence_maxsz + \ |
1da177e4 LT |
605 | decode_putfh_maxsz + \ |
606 | decode_savefh_maxsz + \ | |
607 | decode_putfh_maxsz + \ | |
778d2817 | 608 | decode_rename_maxsz) |
1da177e4 | 609 | #define NFS4_enc_link_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 610 | encode_sequence_maxsz + \ |
1da177e4 LT |
611 | encode_putfh_maxsz + \ |
612 | encode_savefh_maxsz + \ | |
613 | encode_putfh_maxsz + \ | |
91ba2eee | 614 | encode_link_maxsz + \ |
91ba2eee | 615 | encode_restorefh_maxsz + \ |
a9f6991b | 616 | encode_getattr_maxsz) |
1da177e4 | 617 | #define NFS4_dec_link_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 618 | decode_sequence_maxsz + \ |
1da177e4 LT |
619 | decode_putfh_maxsz + \ |
620 | decode_savefh_maxsz + \ | |
621 | decode_putfh_maxsz + \ | |
91ba2eee | 622 | decode_link_maxsz + \ |
91ba2eee TM |
623 | decode_restorefh_maxsz + \ |
624 | decode_getattr_maxsz) | |
1da177e4 | 625 | #define NFS4_enc_symlink_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 626 | encode_sequence_maxsz + \ |
1da177e4 LT |
627 | encode_putfh_maxsz + \ |
628 | encode_symlink_maxsz + \ | |
629 | encode_getattr_maxsz + \ | |
630 | encode_getfh_maxsz) | |
631 | #define NFS4_dec_symlink_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 632 | decode_sequence_maxsz + \ |
1da177e4 LT |
633 | decode_putfh_maxsz + \ |
634 | decode_symlink_maxsz + \ | |
635 | decode_getattr_maxsz + \ | |
636 | decode_getfh_maxsz) | |
637 | #define NFS4_enc_create_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 638 | encode_sequence_maxsz + \ |
1da177e4 LT |
639 | encode_putfh_maxsz + \ |
640 | encode_create_maxsz + \ | |
56ae19f3 | 641 | encode_getfh_maxsz + \ |
56ae19f3 | 642 | encode_getattr_maxsz) |
1da177e4 | 643 | #define NFS4_dec_create_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 644 | decode_sequence_maxsz + \ |
1da177e4 LT |
645 | decode_putfh_maxsz + \ |
646 | decode_create_maxsz + \ | |
56ae19f3 | 647 | decode_getfh_maxsz + \ |
56ae19f3 | 648 | decode_getattr_maxsz) |
1da177e4 | 649 | #define NFS4_enc_pathconf_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 650 | encode_sequence_maxsz + \ |
1da177e4 LT |
651 | encode_putfh_maxsz + \ |
652 | encode_getattr_maxsz) | |
653 | #define NFS4_dec_pathconf_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 654 | decode_sequence_maxsz + \ |
1da177e4 LT |
655 | decode_putfh_maxsz + \ |
656 | decode_getattr_maxsz) | |
657 | #define NFS4_enc_statfs_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 658 | encode_sequence_maxsz + \ |
1da177e4 | 659 | encode_putfh_maxsz + \ |
9104a55d | 660 | encode_statfs_maxsz) |
1da177e4 | 661 | #define NFS4_dec_statfs_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 662 | decode_sequence_maxsz + \ |
1da177e4 | 663 | decode_putfh_maxsz + \ |
9104a55d | 664 | decode_statfs_maxsz) |
1da177e4 | 665 | #define NFS4_enc_server_caps_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 666 | encode_sequence_maxsz + \ |
ab91f264 | 667 | encode_putfh_maxsz + \ |
1da177e4 LT |
668 | encode_getattr_maxsz) |
669 | #define NFS4_dec_server_caps_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 670 | decode_sequence_maxsz + \ |
ab91f264 | 671 | decode_putfh_maxsz + \ |
1da177e4 LT |
672 | decode_getattr_maxsz) |
673 | #define NFS4_enc_delegreturn_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 674 | encode_sequence_maxsz + \ |
1da177e4 | 675 | encode_putfh_maxsz + \ |
fa178f29 TM |
676 | encode_delegreturn_maxsz + \ |
677 | encode_getattr_maxsz) | |
1da177e4 | 678 | #define NFS4_dec_delegreturn_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 679 | decode_sequence_maxsz + \ |
fa178f29 TM |
680 | decode_delegreturn_maxsz + \ |
681 | decode_getattr_maxsz) | |
029d105e | 682 | #define NFS4_enc_getacl_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 683 | encode_sequence_maxsz + \ |
029d105e | 684 | encode_putfh_maxsz + \ |
9104a55d | 685 | encode_getacl_maxsz) |
029d105e | 686 | #define NFS4_dec_getacl_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 687 | decode_sequence_maxsz + \ |
029d105e | 688 | decode_putfh_maxsz + \ |
9104a55d | 689 | decode_getacl_maxsz) |
23ec6965 | 690 | #define NFS4_enc_setacl_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 691 | encode_sequence_maxsz + \ |
23ec6965 | 692 | encode_putfh_maxsz + \ |
9104a55d | 693 | encode_setacl_maxsz) |
23ec6965 | 694 | #define NFS4_dec_setacl_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 695 | decode_sequence_maxsz + \ |
23ec6965 | 696 | decode_putfh_maxsz + \ |
9104a55d | 697 | decode_setacl_maxsz) |
683b57b4 TM |
698 | #define NFS4_enc_fs_locations_sz \ |
699 | (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 700 | encode_sequence_maxsz + \ |
683b57b4 | 701 | encode_putfh_maxsz + \ |
e6889620 TM |
702 | encode_lookup_maxsz + \ |
703 | encode_fs_locations_maxsz) | |
683b57b4 TM |
704 | #define NFS4_dec_fs_locations_sz \ |
705 | (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 706 | decode_sequence_maxsz + \ |
683b57b4 | 707 | decode_putfh_maxsz + \ |
e6889620 TM |
708 | decode_lookup_maxsz + \ |
709 | decode_fs_locations_maxsz) | |
5a5ea0d4 BS |
710 | #define NFS4_enc_secinfo_sz (compound_encode_hdr_maxsz + \ |
711 | encode_sequence_maxsz + \ | |
712 | encode_putfh_maxsz + \ | |
713 | encode_secinfo_maxsz) | |
714 | #define NFS4_dec_secinfo_sz (compound_decode_hdr_maxsz + \ | |
715 | decode_sequence_maxsz + \ | |
716 | decode_putfh_maxsz + \ | |
717 | decode_secinfo_maxsz) | |
99fe60d0 BH |
718 | #if defined(CONFIG_NFS_V4_1) |
719 | #define NFS4_enc_exchange_id_sz \ | |
720 | (compound_encode_hdr_maxsz + \ | |
721 | encode_exchange_id_maxsz) | |
722 | #define NFS4_dec_exchange_id_sz \ | |
723 | (compound_decode_hdr_maxsz + \ | |
724 | decode_exchange_id_maxsz) | |
fc931582 AA |
725 | #define NFS4_enc_create_session_sz \ |
726 | (compound_encode_hdr_maxsz + \ | |
727 | encode_create_session_maxsz) | |
728 | #define NFS4_dec_create_session_sz \ | |
729 | (compound_decode_hdr_maxsz + \ | |
730 | decode_create_session_maxsz) | |
0f3e66c6 AA |
731 | #define NFS4_enc_destroy_session_sz (compound_encode_hdr_maxsz + \ |
732 | encode_destroy_session_maxsz) | |
733 | #define NFS4_dec_destroy_session_sz (compound_decode_hdr_maxsz + \ | |
734 | decode_destroy_session_maxsz) | |
fc01cea9 AA |
735 | #define NFS4_enc_sequence_sz \ |
736 | (compound_decode_hdr_maxsz + \ | |
737 | encode_sequence_maxsz) | |
738 | #define NFS4_dec_sequence_sz \ | |
739 | (compound_decode_hdr_maxsz + \ | |
740 | decode_sequence_maxsz) | |
2050f0cc AA |
741 | #define NFS4_enc_get_lease_time_sz (compound_encode_hdr_maxsz + \ |
742 | encode_sequence_maxsz + \ | |
743 | encode_putrootfh_maxsz + \ | |
744 | encode_fsinfo_maxsz) | |
745 | #define NFS4_dec_get_lease_time_sz (compound_decode_hdr_maxsz + \ | |
746 | decode_sequence_maxsz + \ | |
747 | decode_putrootfh_maxsz + \ | |
748 | decode_fsinfo_maxsz) | |
18019753 RL |
749 | #define NFS4_enc_reclaim_complete_sz (compound_encode_hdr_maxsz + \ |
750 | encode_sequence_maxsz + \ | |
751 | encode_reclaim_complete_maxsz) | |
752 | #define NFS4_dec_reclaim_complete_sz (compound_decode_hdr_maxsz + \ | |
753 | decode_sequence_maxsz + \ | |
754 | decode_reclaim_complete_maxsz) | |
7f11d8d3 AA |
755 | #define NFS4_enc_getdevicelist_sz (compound_encode_hdr_maxsz + \ |
756 | encode_sequence_maxsz + \ | |
757 | encode_putfh_maxsz + \ | |
758 | encode_getdevicelist_maxsz) | |
759 | #define NFS4_dec_getdevicelist_sz (compound_decode_hdr_maxsz + \ | |
760 | decode_sequence_maxsz + \ | |
761 | decode_putfh_maxsz + \ | |
762 | decode_getdevicelist_maxsz) | |
b1f69b75 AA |
763 | #define NFS4_enc_getdeviceinfo_sz (compound_encode_hdr_maxsz + \ |
764 | encode_sequence_maxsz +\ | |
765 | encode_getdeviceinfo_maxsz) | |
766 | #define NFS4_dec_getdeviceinfo_sz (compound_decode_hdr_maxsz + \ | |
767 | decode_sequence_maxsz + \ | |
768 | decode_getdeviceinfo_maxsz) | |
769 | #define NFS4_enc_layoutget_sz (compound_encode_hdr_maxsz + \ | |
770 | encode_sequence_maxsz + \ | |
771 | encode_putfh_maxsz + \ | |
772 | encode_layoutget_maxsz) | |
773 | #define NFS4_dec_layoutget_sz (compound_decode_hdr_maxsz + \ | |
774 | decode_sequence_maxsz + \ | |
775 | decode_putfh_maxsz + \ | |
776 | decode_layoutget_maxsz) | |
863a3c6c AA |
777 | #define NFS4_enc_layoutcommit_sz (compound_encode_hdr_maxsz + \ |
778 | encode_sequence_maxsz +\ | |
779 | encode_putfh_maxsz + \ | |
780 | encode_layoutcommit_maxsz + \ | |
781 | encode_getattr_maxsz) | |
782 | #define NFS4_dec_layoutcommit_sz (compound_decode_hdr_maxsz + \ | |
783 | decode_sequence_maxsz + \ | |
784 | decode_putfh_maxsz + \ | |
785 | decode_layoutcommit_maxsz + \ | |
786 | decode_getattr_maxsz) | |
cbe82603 BH |
787 | #define NFS4_enc_layoutreturn_sz (compound_encode_hdr_maxsz + \ |
788 | encode_sequence_maxsz + \ | |
789 | encode_putfh_maxsz + \ | |
790 | encode_layoutreturn_maxsz) | |
791 | #define NFS4_dec_layoutreturn_sz (compound_decode_hdr_maxsz + \ | |
792 | decode_sequence_maxsz + \ | |
793 | decode_putfh_maxsz + \ | |
794 | decode_layoutreturn_maxsz) | |
fca78d6d BS |
795 | #define NFS4_enc_secinfo_no_name_sz (compound_encode_hdr_maxsz + \ |
796 | encode_sequence_maxsz + \ | |
797 | encode_putrootfh_maxsz +\ | |
798 | encode_secinfo_no_name_maxsz) | |
799 | #define NFS4_dec_secinfo_no_name_sz (compound_decode_hdr_maxsz + \ | |
800 | decode_sequence_maxsz + \ | |
801 | decode_putrootfh_maxsz + \ | |
802 | decode_secinfo_no_name_maxsz) | |
7d974794 BS |
803 | #define NFS4_enc_test_stateid_sz (compound_encode_hdr_maxsz + \ |
804 | encode_sequence_maxsz + \ | |
805 | encode_test_stateid_maxsz) | |
806 | #define NFS4_dec_test_stateid_sz (compound_decode_hdr_maxsz + \ | |
807 | decode_sequence_maxsz + \ | |
808 | decode_test_stateid_maxsz) | |
9aeda35f BS |
809 | #define NFS4_enc_free_stateid_sz (compound_encode_hdr_maxsz + \ |
810 | encode_sequence_maxsz + \ | |
811 | encode_free_stateid_maxsz) | |
812 | #define NFS4_dec_free_stateid_sz (compound_decode_hdr_maxsz + \ | |
813 | decode_sequence_maxsz + \ | |
814 | decode_free_stateid_maxsz) | |
2449ea2e AB |
815 | |
816 | const u32 nfs41_maxwrite_overhead = ((RPC_MAX_HEADER_WITH_AUTH + | |
817 | compound_encode_hdr_maxsz + | |
818 | encode_sequence_maxsz + | |
819 | encode_putfh_maxsz + | |
820 | encode_getattr_maxsz) * | |
821 | XDR_UNIT); | |
822 | ||
823 | const u32 nfs41_maxread_overhead = ((RPC_MAX_HEADER_WITH_AUTH + | |
824 | compound_decode_hdr_maxsz + | |
825 | decode_sequence_maxsz + | |
826 | decode_putfh_maxsz) * | |
827 | XDR_UNIT); | |
99fe60d0 | 828 | #endif /* CONFIG_NFS_V4_1 */ |
1da177e4 | 829 | |
db8ac8ba WAA |
830 | static unsigned short send_implementation_id = 1; |
831 | ||
832 | module_param(send_implementation_id, ushort, 0644); | |
833 | MODULE_PARM_DESC(send_implementation_id, | |
834 | "Send implementation ID with NFSv4.1 exchange_id"); | |
835 | ||
bca79478 TM |
836 | static const umode_t nfs_type2fmt[] = { |
837 | [NF4BAD] = 0, | |
838 | [NF4REG] = S_IFREG, | |
839 | [NF4DIR] = S_IFDIR, | |
840 | [NF4BLK] = S_IFBLK, | |
841 | [NF4CHR] = S_IFCHR, | |
842 | [NF4LNK] = S_IFLNK, | |
843 | [NF4SOCK] = S_IFSOCK, | |
844 | [NF4FIFO] = S_IFIFO, | |
845 | [NF4ATTRDIR] = 0, | |
846 | [NF4NAMEDATTR] = 0, | |
1da177e4 LT |
847 | }; |
848 | ||
849 | struct compound_hdr { | |
850 | int32_t status; | |
851 | uint32_t nops; | |
d017931c | 852 | __be32 * nops_p; |
1da177e4 LT |
853 | uint32_t taglen; |
854 | char * tag; | |
0c4e8c18 | 855 | uint32_t replen; /* expected reply words */ |
66cc0429 | 856 | u32 minorversion; |
1da177e4 LT |
857 | }; |
858 | ||
13c65ce9 BH |
859 | static __be32 *reserve_space(struct xdr_stream *xdr, size_t nbytes) |
860 | { | |
861 | __be32 *p = xdr_reserve_space(xdr, nbytes); | |
862 | BUG_ON(!p); | |
863 | return p; | |
864 | } | |
1da177e4 | 865 | |
cb17e556 TM |
866 | static void encode_opaque_fixed(struct xdr_stream *xdr, const void *buf, size_t len) |
867 | { | |
868 | __be32 *p; | |
869 | ||
870 | p = xdr_reserve_space(xdr, len); | |
871 | xdr_encode_opaque_fixed(p, buf, len); | |
872 | } | |
873 | ||
1da177e4 LT |
874 | static void encode_string(struct xdr_stream *xdr, unsigned int len, const char *str) |
875 | { | |
8687b63a | 876 | __be32 *p; |
1da177e4 | 877 | |
6fdfb0bc | 878 | p = reserve_space(xdr, 4 + len); |
1da177e4 LT |
879 | xdr_encode_opaque(p, str, len); |
880 | } | |
881 | ||
4ade9821 TM |
882 | static void encode_uint32(struct xdr_stream *xdr, u32 n) |
883 | { | |
884 | __be32 *p; | |
885 | ||
886 | p = reserve_space(xdr, 4); | |
887 | *p = cpu_to_be32(n); | |
888 | } | |
889 | ||
ff2eb681 TM |
890 | static void encode_uint64(struct xdr_stream *xdr, u64 n) |
891 | { | |
892 | __be32 *p; | |
893 | ||
894 | p = reserve_space(xdr, 8); | |
895 | xdr_encode_hyper(p, n); | |
896 | } | |
897 | ||
4ade9821 TM |
898 | static void encode_nfs4_seqid(struct xdr_stream *xdr, |
899 | const struct nfs_seqid *seqid) | |
900 | { | |
901 | encode_uint32(xdr, seqid->sequence->counter); | |
902 | } | |
903 | ||
0c4e8c18 BH |
904 | static void encode_compound_hdr(struct xdr_stream *xdr, |
905 | struct rpc_rqst *req, | |
906 | struct compound_hdr *hdr) | |
1da177e4 | 907 | { |
8687b63a | 908 | __be32 *p; |
a17c2153 | 909 | struct rpc_auth *auth = req->rq_cred->cr_auth; |
0c4e8c18 BH |
910 | |
911 | /* initialize running count of expected bytes in reply. | |
912 | * NOTE: the replied tag SHOULD be the same is the one sent, | |
913 | * but this is not required as a MUST for the server to do so. */ | |
914 | hdr->replen = RPC_REPHDRSIZE + auth->au_rslack + 3 + hdr->taglen; | |
1da177e4 | 915 | |
1da177e4 | 916 | BUG_ON(hdr->taglen > NFS4_MAXTAGLEN); |
6fdfb0bc TM |
917 | encode_string(xdr, hdr->taglen, hdr->tag); |
918 | p = reserve_space(xdr, 8); | |
e75bc1c8 | 919 | *p++ = cpu_to_be32(hdr->minorversion); |
d017931c | 920 | hdr->nops_p = p; |
34558513 | 921 | *p = cpu_to_be32(hdr->nops); |
d017931c AA |
922 | } |
923 | ||
ab19b481 TM |
924 | static void encode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 op, |
925 | uint32_t replen, | |
926 | struct compound_hdr *hdr) | |
927 | { | |
928 | encode_uint32(xdr, op); | |
929 | hdr->nops++; | |
930 | hdr->replen += replen; | |
931 | } | |
932 | ||
d017931c AA |
933 | static void encode_nops(struct compound_hdr *hdr) |
934 | { | |
fc931582 | 935 | BUG_ON(hdr->nops > NFS4_MAX_OPS); |
d017931c | 936 | *hdr->nops_p = htonl(hdr->nops); |
1da177e4 LT |
937 | } |
938 | ||
ea9d23f5 TM |
939 | static void encode_nfs4_stateid(struct xdr_stream *xdr, const nfs4_stateid *stateid) |
940 | { | |
2d2f24ad | 941 | encode_opaque_fixed(xdr, stateid, NFS4_STATEID_SIZE); |
ea9d23f5 TM |
942 | } |
943 | ||
1da177e4 LT |
944 | static void encode_nfs4_verifier(struct xdr_stream *xdr, const nfs4_verifier *verf) |
945 | { | |
cb17e556 | 946 | encode_opaque_fixed(xdr, verf->data, NFS4_VERIFIER_SIZE); |
1da177e4 LT |
947 | } |
948 | ||
cf8cdbe5 | 949 | static void encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const struct nfs_server *server) |
1da177e4 LT |
950 | { |
951 | char owner_name[IDMAP_NAMESZ]; | |
952 | char owner_group[IDMAP_NAMESZ]; | |
953 | int owner_namelen = 0; | |
954 | int owner_grouplen = 0; | |
8687b63a AV |
955 | __be32 *p; |
956 | __be32 *q; | |
1da177e4 LT |
957 | int len; |
958 | uint32_t bmval0 = 0; | |
959 | uint32_t bmval1 = 0; | |
1da177e4 LT |
960 | |
961 | /* | |
962 | * We reserve enough space to write the entire attribute buffer at once. | |
963 | * In the worst-case, this would be | |
964 | * 12(bitmap) + 4(attrlen) + 8(size) + 4(mode) + 4(atime) + 4(mtime) | |
965 | * = 36 bytes, plus any contribution from variable-length fields | |
23ec6965 | 966 | * such as owner/group. |
1da177e4 LT |
967 | */ |
968 | len = 16; | |
969 | ||
970 | /* Sigh */ | |
971 | if (iap->ia_valid & ATTR_SIZE) | |
972 | len += 8; | |
973 | if (iap->ia_valid & ATTR_MODE) | |
974 | len += 4; | |
975 | if (iap->ia_valid & ATTR_UID) { | |
e4fd72a1 | 976 | owner_namelen = nfs_map_uid_to_name(server, iap->ia_uid, owner_name, IDMAP_NAMESZ); |
1da177e4 | 977 | if (owner_namelen < 0) { |
fe82a183 CL |
978 | dprintk("nfs: couldn't resolve uid %d to string\n", |
979 | iap->ia_uid); | |
1da177e4 LT |
980 | /* XXX */ |
981 | strcpy(owner_name, "nobody"); | |
982 | owner_namelen = sizeof("nobody") - 1; | |
983 | /* goto out; */ | |
984 | } | |
985 | len += 4 + (XDR_QUADLEN(owner_namelen) << 2); | |
986 | } | |
987 | if (iap->ia_valid & ATTR_GID) { | |
e4fd72a1 | 988 | owner_grouplen = nfs_map_gid_to_group(server, iap->ia_gid, owner_group, IDMAP_NAMESZ); |
1da177e4 | 989 | if (owner_grouplen < 0) { |
fe82a183 CL |
990 | dprintk("nfs: couldn't resolve gid %d to string\n", |
991 | iap->ia_gid); | |
1da177e4 LT |
992 | strcpy(owner_group, "nobody"); |
993 | owner_grouplen = sizeof("nobody") - 1; | |
994 | /* goto out; */ | |
995 | } | |
996 | len += 4 + (XDR_QUADLEN(owner_grouplen) << 2); | |
997 | } | |
998 | if (iap->ia_valid & ATTR_ATIME_SET) | |
999 | len += 16; | |
1000 | else if (iap->ia_valid & ATTR_ATIME) | |
1001 | len += 4; | |
1002 | if (iap->ia_valid & ATTR_MTIME_SET) | |
1003 | len += 16; | |
1004 | else if (iap->ia_valid & ATTR_MTIME) | |
1005 | len += 4; | |
13c65ce9 | 1006 | p = reserve_space(xdr, len); |
1da177e4 LT |
1007 | |
1008 | /* | |
1009 | * We write the bitmap length now, but leave the bitmap and the attribute | |
1010 | * buffer length to be backfilled at the end of this routine. | |
1011 | */ | |
e75bc1c8 | 1012 | *p++ = cpu_to_be32(2); |
1da177e4 LT |
1013 | q = p; |
1014 | p += 3; | |
1015 | ||
1016 | if (iap->ia_valid & ATTR_SIZE) { | |
1017 | bmval0 |= FATTR4_WORD0_SIZE; | |
b95be5a9 | 1018 | p = xdr_encode_hyper(p, iap->ia_size); |
1da177e4 LT |
1019 | } |
1020 | if (iap->ia_valid & ATTR_MODE) { | |
1021 | bmval1 |= FATTR4_WORD1_MODE; | |
e75bc1c8 | 1022 | *p++ = cpu_to_be32(iap->ia_mode & S_IALLUGO); |
1da177e4 LT |
1023 | } |
1024 | if (iap->ia_valid & ATTR_UID) { | |
1025 | bmval1 |= FATTR4_WORD1_OWNER; | |
811652bd | 1026 | p = xdr_encode_opaque(p, owner_name, owner_namelen); |
1da177e4 LT |
1027 | } |
1028 | if (iap->ia_valid & ATTR_GID) { | |
1029 | bmval1 |= FATTR4_WORD1_OWNER_GROUP; | |
811652bd | 1030 | p = xdr_encode_opaque(p, owner_group, owner_grouplen); |
1da177e4 LT |
1031 | } |
1032 | if (iap->ia_valid & ATTR_ATIME_SET) { | |
1033 | bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET; | |
e75bc1c8 BH |
1034 | *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); |
1035 | *p++ = cpu_to_be32(0); | |
d3f6baaa TM |
1036 | *p++ = cpu_to_be32(iap->ia_atime.tv_sec); |
1037 | *p++ = cpu_to_be32(iap->ia_atime.tv_nsec); | |
1da177e4 LT |
1038 | } |
1039 | else if (iap->ia_valid & ATTR_ATIME) { | |
1040 | bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET; | |
e75bc1c8 | 1041 | *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); |
1da177e4 LT |
1042 | } |
1043 | if (iap->ia_valid & ATTR_MTIME_SET) { | |
1044 | bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET; | |
e75bc1c8 BH |
1045 | *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); |
1046 | *p++ = cpu_to_be32(0); | |
1047 | *p++ = cpu_to_be32(iap->ia_mtime.tv_sec); | |
1048 | *p++ = cpu_to_be32(iap->ia_mtime.tv_nsec); | |
1da177e4 LT |
1049 | } |
1050 | else if (iap->ia_valid & ATTR_MTIME) { | |
1051 | bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET; | |
e75bc1c8 | 1052 | *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); |
1da177e4 | 1053 | } |
6c0195a4 | 1054 | |
1da177e4 LT |
1055 | /* |
1056 | * Now we backfill the bitmap and the attribute buffer length. | |
1057 | */ | |
1058 | if (len != ((char *)p - (char *)q) + 4) { | |
f9fd2d9c | 1059 | printk(KERN_ERR "NFS: Attr length error, %u != %Zu\n", |
1da177e4 LT |
1060 | len, ((char *)p - (char *)q) + 4); |
1061 | BUG(); | |
1062 | } | |
1063 | len = (char *)p - (char *)q - 12; | |
1064 | *q++ = htonl(bmval0); | |
1065 | *q++ = htonl(bmval1); | |
34558513 | 1066 | *q = htonl(len); |
1da177e4 | 1067 | |
1da177e4 | 1068 | /* out: */ |
1da177e4 LT |
1069 | } |
1070 | ||
cf8cdbe5 | 1071 | static void encode_access(struct xdr_stream *xdr, u32 access, struct compound_hdr *hdr) |
1da177e4 | 1072 | { |
475d4ba0 TM |
1073 | encode_op_hdr(xdr, OP_ACCESS, decode_access_maxsz, hdr); |
1074 | encode_uint32(xdr, access); | |
1da177e4 LT |
1075 | } |
1076 | ||
cf8cdbe5 | 1077 | static void encode_close(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1078 | { |
ab19b481 | 1079 | encode_op_hdr(xdr, OP_CLOSE, decode_close_maxsz, hdr); |
4ade9821 | 1080 | encode_nfs4_seqid(xdr, arg->seqid); |
ea9d23f5 | 1081 | encode_nfs4_stateid(xdr, arg->stateid); |
1da177e4 LT |
1082 | } |
1083 | ||
0b7c0153 | 1084 | static void encode_commit(struct xdr_stream *xdr, const struct nfs_commitargs *args, struct compound_hdr *hdr) |
1da177e4 | 1085 | { |
8687b63a | 1086 | __be32 *p; |
6c0195a4 | 1087 | |
475d4ba0 TM |
1088 | encode_op_hdr(xdr, OP_COMMIT, decode_commit_maxsz, hdr); |
1089 | p = reserve_space(xdr, 12); | |
b95be5a9 | 1090 | p = xdr_encode_hyper(p, args->offset); |
34558513 | 1091 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1092 | } |
1093 | ||
cf8cdbe5 | 1094 | static void encode_create(struct xdr_stream *xdr, const struct nfs4_create_arg *create, struct compound_hdr *hdr) |
1da177e4 | 1095 | { |
8687b63a | 1096 | __be32 *p; |
6c0195a4 | 1097 | |
475d4ba0 TM |
1098 | encode_op_hdr(xdr, OP_CREATE, decode_create_maxsz, hdr); |
1099 | encode_uint32(xdr, create->ftype); | |
1da177e4 LT |
1100 | |
1101 | switch (create->ftype) { | |
1102 | case NF4LNK: | |
13c65ce9 | 1103 | p = reserve_space(xdr, 4); |
34558513 | 1104 | *p = cpu_to_be32(create->u.symlink.len); |
94a6d753 | 1105 | xdr_write_pages(xdr, create->u.symlink.pages, 0, create->u.symlink.len); |
1da177e4 LT |
1106 | break; |
1107 | ||
1108 | case NF4BLK: case NF4CHR: | |
13c65ce9 | 1109 | p = reserve_space(xdr, 8); |
e75bc1c8 | 1110 | *p++ = cpu_to_be32(create->u.device.specdata1); |
34558513 | 1111 | *p = cpu_to_be32(create->u.device.specdata2); |
1da177e4 LT |
1112 | break; |
1113 | ||
1114 | default: | |
1115 | break; | |
1116 | } | |
1117 | ||
811652bd | 1118 | encode_string(xdr, create->name->len, create->name->name); |
cf8cdbe5 | 1119 | encode_attrs(xdr, create->attrs, create->server); |
1da177e4 LT |
1120 | } |
1121 | ||
cf8cdbe5 | 1122 | static void encode_getattr_one(struct xdr_stream *xdr, uint32_t bitmap, struct compound_hdr *hdr) |
1da177e4 | 1123 | { |
05d564fe | 1124 | __be32 *p; |
1da177e4 | 1125 | |
475d4ba0 TM |
1126 | encode_op_hdr(xdr, OP_GETATTR, decode_getattr_maxsz, hdr); |
1127 | p = reserve_space(xdr, 8); | |
e75bc1c8 | 1128 | *p++ = cpu_to_be32(1); |
34558513 | 1129 | *p = cpu_to_be32(bitmap); |
1da177e4 LT |
1130 | } |
1131 | ||
cf8cdbe5 | 1132 | static void encode_getattr_two(struct xdr_stream *xdr, uint32_t bm0, uint32_t bm1, struct compound_hdr *hdr) |
1da177e4 | 1133 | { |
05d564fe | 1134 | __be32 *p; |
1da177e4 | 1135 | |
475d4ba0 TM |
1136 | encode_op_hdr(xdr, OP_GETATTR, decode_getattr_maxsz, hdr); |
1137 | p = reserve_space(xdr, 12); | |
e75bc1c8 BH |
1138 | *p++ = cpu_to_be32(2); |
1139 | *p++ = cpu_to_be32(bm0); | |
34558513 | 1140 | *p = cpu_to_be32(bm1); |
1da177e4 LT |
1141 | } |
1142 | ||
dae100c2 FI |
1143 | static void |
1144 | encode_getattr_three(struct xdr_stream *xdr, | |
1145 | uint32_t bm0, uint32_t bm1, uint32_t bm2, | |
1146 | struct compound_hdr *hdr) | |
1147 | { | |
1148 | __be32 *p; | |
1149 | ||
ab19b481 | 1150 | encode_op_hdr(xdr, OP_GETATTR, decode_getattr_maxsz, hdr); |
dae100c2 FI |
1151 | if (bm2) { |
1152 | p = reserve_space(xdr, 16); | |
1153 | *p++ = cpu_to_be32(3); | |
1154 | *p++ = cpu_to_be32(bm0); | |
1155 | *p++ = cpu_to_be32(bm1); | |
1156 | *p = cpu_to_be32(bm2); | |
1157 | } else if (bm1) { | |
1158 | p = reserve_space(xdr, 12); | |
1159 | *p++ = cpu_to_be32(2); | |
1160 | *p++ = cpu_to_be32(bm0); | |
1161 | *p = cpu_to_be32(bm1); | |
1162 | } else { | |
1163 | p = reserve_space(xdr, 8); | |
1164 | *p++ = cpu_to_be32(1); | |
1165 | *p = cpu_to_be32(bm0); | |
1166 | } | |
dae100c2 FI |
1167 | } |
1168 | ||
cf8cdbe5 | 1169 | static void encode_getfattr(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
1da177e4 | 1170 | { |
cf8cdbe5 AA |
1171 | encode_getattr_two(xdr, bitmask[0] & nfs4_fattr_bitmap[0], |
1172 | bitmask[1] & nfs4_fattr_bitmap[1], hdr); | |
1da177e4 LT |
1173 | } |
1174 | ||
cf8cdbe5 | 1175 | static void encode_fsinfo(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
1da177e4 | 1176 | { |
dae100c2 FI |
1177 | encode_getattr_three(xdr, |
1178 | bitmask[0] & nfs4_fsinfo_bitmap[0], | |
1179 | bitmask[1] & nfs4_fsinfo_bitmap[1], | |
1180 | bitmask[2] & nfs4_fsinfo_bitmap[2], | |
1181 | hdr); | |
1da177e4 LT |
1182 | } |
1183 | ||
cf8cdbe5 | 1184 | static void encode_fs_locations(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
830b8e33 | 1185 | { |
cf8cdbe5 AA |
1186 | encode_getattr_two(xdr, bitmask[0] & nfs4_fs_locations_bitmap[0], |
1187 | bitmask[1] & nfs4_fs_locations_bitmap[1], hdr); | |
830b8e33 MN |
1188 | } |
1189 | ||
cf8cdbe5 | 1190 | static void encode_getfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1191 | { |
ab19b481 | 1192 | encode_op_hdr(xdr, OP_GETFH, decode_getfh_maxsz, hdr); |
1da177e4 LT |
1193 | } |
1194 | ||
cf8cdbe5 | 1195 | static void encode_link(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1196 | { |
ab19b481 | 1197 | encode_op_hdr(xdr, OP_LINK, decode_link_maxsz, hdr); |
6fdfb0bc | 1198 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1199 | } |
1200 | ||
911d1aaf TM |
1201 | static inline int nfs4_lock_type(struct file_lock *fl, int block) |
1202 | { | |
1203 | if ((fl->fl_type & (F_RDLCK|F_WRLCK|F_UNLCK)) == F_RDLCK) | |
1204 | return block ? NFS4_READW_LT : NFS4_READ_LT; | |
1205 | return block ? NFS4_WRITEW_LT : NFS4_WRITE_LT; | |
1206 | } | |
1207 | ||
1208 | static inline uint64_t nfs4_lock_length(struct file_lock *fl) | |
1209 | { | |
1210 | if (fl->fl_end == OFFSET_MAX) | |
1211 | return ~(uint64_t)0; | |
1212 | return fl->fl_end - fl->fl_start + 1; | |
1213 | } | |
1214 | ||
daccbded TM |
1215 | static void encode_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner) |
1216 | { | |
1217 | __be32 *p; | |
1218 | ||
d035c36c | 1219 | p = reserve_space(xdr, 32); |
daccbded | 1220 | p = xdr_encode_hyper(p, lowner->clientid); |
d035c36c | 1221 | *p++ = cpu_to_be32(20); |
daccbded | 1222 | p = xdr_encode_opaque_fixed(p, "lock id:", 8); |
d035c36c | 1223 | *p++ = cpu_to_be32(lowner->s_dev); |
daccbded TM |
1224 | xdr_encode_hyper(p, lowner->id); |
1225 | } | |
1226 | ||
1da177e4 LT |
1227 | /* |
1228 | * opcode,type,reclaim,offset,length,new_lock_owner = 32 | |
1229 | * open_seqid,open_stateid,lock_seqid,lock_owner.clientid, lock_owner.id = 40 | |
1230 | */ | |
cf8cdbe5 | 1231 | static void encode_lock(struct xdr_stream *xdr, const struct nfs_lock_args *args, struct compound_hdr *hdr) |
1da177e4 | 1232 | { |
8687b63a | 1233 | __be32 *p; |
1da177e4 | 1234 | |
475d4ba0 TM |
1235 | encode_op_hdr(xdr, OP_LOCK, decode_lock_maxsz, hdr); |
1236 | p = reserve_space(xdr, 28); | |
e75bc1c8 BH |
1237 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, args->block)); |
1238 | *p++ = cpu_to_be32(args->reclaim); | |
b95be5a9 BH |
1239 | p = xdr_encode_hyper(p, args->fl->fl_start); |
1240 | p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); | |
34558513 | 1241 | *p = cpu_to_be32(args->new_lock_owner); |
911d1aaf | 1242 | if (args->new_lock_owner){ |
4ade9821 | 1243 | encode_nfs4_seqid(xdr, args->open_seqid); |
ea9d23f5 | 1244 | encode_nfs4_stateid(xdr, args->open_stateid); |
4ade9821 | 1245 | encode_nfs4_seqid(xdr, args->lock_seqid); |
daccbded | 1246 | encode_lockowner(xdr, &args->lock_owner); |
1da177e4 LT |
1247 | } |
1248 | else { | |
ea9d23f5 | 1249 | encode_nfs4_stateid(xdr, args->lock_stateid); |
4ade9821 | 1250 | encode_nfs4_seqid(xdr, args->lock_seqid); |
1da177e4 | 1251 | } |
1da177e4 LT |
1252 | } |
1253 | ||
cf8cdbe5 | 1254 | static void encode_lockt(struct xdr_stream *xdr, const struct nfs_lockt_args *args, struct compound_hdr *hdr) |
1da177e4 | 1255 | { |
8687b63a | 1256 | __be32 *p; |
1da177e4 | 1257 | |
475d4ba0 TM |
1258 | encode_op_hdr(xdr, OP_LOCKT, decode_lockt_maxsz, hdr); |
1259 | p = reserve_space(xdr, 20); | |
e75bc1c8 | 1260 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, 0)); |
b95be5a9 BH |
1261 | p = xdr_encode_hyper(p, args->fl->fl_start); |
1262 | p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); | |
daccbded | 1263 | encode_lockowner(xdr, &args->lock_owner); |
1da177e4 LT |
1264 | } |
1265 | ||
cf8cdbe5 | 1266 | static void encode_locku(struct xdr_stream *xdr, const struct nfs_locku_args *args, struct compound_hdr *hdr) |
1da177e4 | 1267 | { |
8687b63a | 1268 | __be32 *p; |
1da177e4 | 1269 | |
475d4ba0 TM |
1270 | encode_op_hdr(xdr, OP_LOCKU, decode_locku_maxsz, hdr); |
1271 | encode_uint32(xdr, nfs4_lock_type(args->fl, 0)); | |
4ade9821 | 1272 | encode_nfs4_seqid(xdr, args->seqid); |
ea9d23f5 TM |
1273 | encode_nfs4_stateid(xdr, args->stateid); |
1274 | p = reserve_space(xdr, 16); | |
b95be5a9 | 1275 | p = xdr_encode_hyper(p, args->fl->fl_start); |
34558513 | 1276 | xdr_encode_hyper(p, nfs4_lock_length(args->fl)); |
1da177e4 LT |
1277 | } |
1278 | ||
d3c7b7cc TM |
1279 | static void encode_release_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner, struct compound_hdr *hdr) |
1280 | { | |
ab19b481 | 1281 | encode_op_hdr(xdr, OP_RELEASE_LOCKOWNER, decode_release_lockowner_maxsz, hdr); |
d3c7b7cc | 1282 | encode_lockowner(xdr, lowner); |
d3c7b7cc TM |
1283 | } |
1284 | ||
cf8cdbe5 | 1285 | static void encode_lookup(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1286 | { |
ab19b481 | 1287 | encode_op_hdr(xdr, OP_LOOKUP, decode_lookup_maxsz, hdr); |
6fdfb0bc | 1288 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1289 | } |
1290 | ||
dc0b027d | 1291 | static void encode_share_access(struct xdr_stream *xdr, fmode_t fmode) |
1da177e4 | 1292 | { |
8687b63a | 1293 | __be32 *p; |
1da177e4 | 1294 | |
13c65ce9 | 1295 | p = reserve_space(xdr, 8); |
dc0b027d | 1296 | switch (fmode & (FMODE_READ|FMODE_WRITE)) { |
05d564fe | 1297 | case FMODE_READ: |
e75bc1c8 | 1298 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_READ); |
05d564fe AA |
1299 | break; |
1300 | case FMODE_WRITE: | |
e75bc1c8 | 1301 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_WRITE); |
05d564fe AA |
1302 | break; |
1303 | case FMODE_READ|FMODE_WRITE: | |
e75bc1c8 | 1304 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_BOTH); |
05d564fe AA |
1305 | break; |
1306 | default: | |
e75bc1c8 | 1307 | *p++ = cpu_to_be32(0); |
1da177e4 | 1308 | } |
34558513 | 1309 | *p = cpu_to_be32(0); /* for linux, share_deny = 0 always */ |
1da177e4 LT |
1310 | } |
1311 | ||
1312 | static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1313 | { | |
8687b63a | 1314 | __be32 *p; |
1da177e4 LT |
1315 | /* |
1316 | * opcode 4, seqid 4, share_access 4, share_deny 4, clientid 8, ownerlen 4, | |
1317 | * owner 4 = 32 | |
1318 | */ | |
4ade9821 | 1319 | encode_nfs4_seqid(xdr, arg->seqid); |
dc0b027d | 1320 | encode_share_access(xdr, arg->fmode); |
95b72eb0 | 1321 | p = reserve_space(xdr, 36); |
b95be5a9 | 1322 | p = xdr_encode_hyper(p, arg->clientid); |
95b72eb0 | 1323 | *p++ = cpu_to_be32(24); |
93f0cf25 | 1324 | p = xdr_encode_opaque_fixed(p, "open id:", 8); |
d035c36c | 1325 | *p++ = cpu_to_be32(arg->server->s_dev); |
95b72eb0 TM |
1326 | *p++ = cpu_to_be32(arg->id.uniquifier); |
1327 | xdr_encode_hyper(p, arg->id.create_time); | |
1da177e4 LT |
1328 | } |
1329 | ||
1330 | static inline void encode_createmode(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1331 | { | |
8687b63a | 1332 | __be32 *p; |
4882ef72 | 1333 | struct nfs_client *clp; |
1da177e4 | 1334 | |
13c65ce9 | 1335 | p = reserve_space(xdr, 4); |
1da177e4 | 1336 | switch(arg->open_flags & O_EXCL) { |
05d564fe | 1337 | case 0: |
34558513 | 1338 | *p = cpu_to_be32(NFS4_CREATE_UNCHECKED); |
05d564fe AA |
1339 | encode_attrs(xdr, arg->u.attrs, arg->server); |
1340 | break; | |
1341 | default: | |
4882ef72 | 1342 | clp = arg->server->nfs_client; |
a4432345 | 1343 | if (clp->cl_mvops->minor_version > 0) { |
4882ef72 AB |
1344 | if (nfs4_has_persistent_session(clp)) { |
1345 | *p = cpu_to_be32(NFS4_CREATE_GUARDED); | |
1346 | encode_attrs(xdr, arg->u.attrs, arg->server); | |
1347 | } else { | |
1348 | struct iattr dummy; | |
1349 | ||
1350 | *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE4_1); | |
1351 | encode_nfs4_verifier(xdr, &arg->u.verifier); | |
1352 | dummy.ia_valid = 0; | |
1353 | encode_attrs(xdr, &dummy, arg->server); | |
1354 | } | |
1355 | } else { | |
1356 | *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE); | |
1357 | encode_nfs4_verifier(xdr, &arg->u.verifier); | |
1358 | } | |
1da177e4 LT |
1359 | } |
1360 | } | |
1361 | ||
1362 | static void encode_opentype(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1363 | { | |
8687b63a | 1364 | __be32 *p; |
1da177e4 | 1365 | |
13c65ce9 | 1366 | p = reserve_space(xdr, 4); |
1da177e4 | 1367 | switch (arg->open_flags & O_CREAT) { |
05d564fe | 1368 | case 0: |
34558513 | 1369 | *p = cpu_to_be32(NFS4_OPEN_NOCREATE); |
05d564fe AA |
1370 | break; |
1371 | default: | |
1372 | BUG_ON(arg->claim != NFS4_OPEN_CLAIM_NULL); | |
34558513 | 1373 | *p = cpu_to_be32(NFS4_OPEN_CREATE); |
05d564fe | 1374 | encode_createmode(xdr, arg); |
1da177e4 LT |
1375 | } |
1376 | } | |
1377 | ||
bd7bf9d5 | 1378 | static inline void encode_delegation_type(struct xdr_stream *xdr, fmode_t delegation_type) |
1da177e4 | 1379 | { |
8687b63a | 1380 | __be32 *p; |
1da177e4 | 1381 | |
13c65ce9 | 1382 | p = reserve_space(xdr, 4); |
1da177e4 | 1383 | switch (delegation_type) { |
05d564fe | 1384 | case 0: |
34558513 | 1385 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_NONE); |
05d564fe AA |
1386 | break; |
1387 | case FMODE_READ: | |
34558513 | 1388 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_READ); |
05d564fe AA |
1389 | break; |
1390 | case FMODE_WRITE|FMODE_READ: | |
34558513 | 1391 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_WRITE); |
05d564fe AA |
1392 | break; |
1393 | default: | |
1394 | BUG(); | |
1da177e4 LT |
1395 | } |
1396 | } | |
1397 | ||
1398 | static inline void encode_claim_null(struct xdr_stream *xdr, const struct qstr *name) | |
1399 | { | |
8687b63a | 1400 | __be32 *p; |
1da177e4 | 1401 | |
13c65ce9 | 1402 | p = reserve_space(xdr, 4); |
34558513 | 1403 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_NULL); |
1da177e4 LT |
1404 | encode_string(xdr, name->len, name->name); |
1405 | } | |
1406 | ||
bd7bf9d5 | 1407 | static inline void encode_claim_previous(struct xdr_stream *xdr, fmode_t type) |
1da177e4 | 1408 | { |
8687b63a | 1409 | __be32 *p; |
1da177e4 | 1410 | |
13c65ce9 | 1411 | p = reserve_space(xdr, 4); |
34558513 | 1412 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_PREVIOUS); |
1da177e4 LT |
1413 | encode_delegation_type(xdr, type); |
1414 | } | |
1415 | ||
1416 | static inline void encode_claim_delegate_cur(struct xdr_stream *xdr, const struct qstr *name, const nfs4_stateid *stateid) | |
1417 | { | |
8687b63a | 1418 | __be32 *p; |
1da177e4 | 1419 | |
ea9d23f5 TM |
1420 | p = reserve_space(xdr, 4); |
1421 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_DELEGATE_CUR); | |
1422 | encode_nfs4_stateid(xdr, stateid); | |
1da177e4 LT |
1423 | encode_string(xdr, name->len, name->name); |
1424 | } | |
1425 | ||
cf8cdbe5 | 1426 | static void encode_open(struct xdr_stream *xdr, const struct nfs_openargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1427 | { |
ab19b481 | 1428 | encode_op_hdr(xdr, OP_OPEN, decode_open_maxsz, hdr); |
1da177e4 LT |
1429 | encode_openhdr(xdr, arg); |
1430 | encode_opentype(xdr, arg); | |
1431 | switch (arg->claim) { | |
05d564fe AA |
1432 | case NFS4_OPEN_CLAIM_NULL: |
1433 | encode_claim_null(xdr, arg->name); | |
1434 | break; | |
1435 | case NFS4_OPEN_CLAIM_PREVIOUS: | |
1436 | encode_claim_previous(xdr, arg->u.delegation_type); | |
1437 | break; | |
1438 | case NFS4_OPEN_CLAIM_DELEGATE_CUR: | |
1439 | encode_claim_delegate_cur(xdr, arg->name, &arg->u.delegation); | |
1440 | break; | |
1441 | default: | |
1442 | BUG(); | |
1da177e4 | 1443 | } |
1da177e4 LT |
1444 | } |
1445 | ||
cf8cdbe5 | 1446 | static void encode_open_confirm(struct xdr_stream *xdr, const struct nfs_open_confirmargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1447 | { |
ab19b481 | 1448 | encode_op_hdr(xdr, OP_OPEN_CONFIRM, decode_open_confirm_maxsz, hdr); |
ea9d23f5 | 1449 | encode_nfs4_stateid(xdr, arg->stateid); |
4ade9821 | 1450 | encode_nfs4_seqid(xdr, arg->seqid); |
1da177e4 LT |
1451 | } |
1452 | ||
cf8cdbe5 | 1453 | static void encode_open_downgrade(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1454 | { |
ab19b481 | 1455 | encode_op_hdr(xdr, OP_OPEN_DOWNGRADE, decode_open_downgrade_maxsz, hdr); |
ea9d23f5 | 1456 | encode_nfs4_stateid(xdr, arg->stateid); |
4ade9821 | 1457 | encode_nfs4_seqid(xdr, arg->seqid); |
dc0b027d | 1458 | encode_share_access(xdr, arg->fmode); |
1da177e4 LT |
1459 | } |
1460 | ||
cf8cdbe5 | 1461 | static void |
d017931c | 1462 | encode_putfh(struct xdr_stream *xdr, const struct nfs_fh *fh, struct compound_hdr *hdr) |
1da177e4 | 1463 | { |
ab19b481 | 1464 | encode_op_hdr(xdr, OP_PUTFH, decode_putfh_maxsz, hdr); |
6fdfb0bc | 1465 | encode_string(xdr, fh->size, fh->data); |
1da177e4 LT |
1466 | } |
1467 | ||
cf8cdbe5 | 1468 | static void encode_putrootfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1469 | { |
ab19b481 | 1470 | encode_op_hdr(xdr, OP_PUTROOTFH, decode_putrootfh_maxsz, hdr); |
1da177e4 LT |
1471 | } |
1472 | ||
4fc8796d TM |
1473 | static void encode_open_stateid(struct xdr_stream *xdr, |
1474 | const struct nfs_open_context *ctx, | |
1475 | const struct nfs_lock_context *l_ctx, | |
1476 | fmode_t fmode, | |
1477 | int zero_seqid) | |
1da177e4 | 1478 | { |
1da177e4 | 1479 | nfs4_stateid stateid; |
1da177e4 | 1480 | |
1da177e4 | 1481 | if (ctx->state != NULL) { |
4fc8796d TM |
1482 | nfs4_select_rw_stateid(&stateid, ctx->state, |
1483 | fmode, l_ctx->lockowner, l_ctx->pid); | |
89d1ea65 | 1484 | if (zero_seqid) |
2d2f24ad | 1485 | stateid.seqid = 0; |
ea9d23f5 | 1486 | encode_nfs4_stateid(xdr, &stateid); |
1da177e4 | 1487 | } else |
ea9d23f5 | 1488 | encode_nfs4_stateid(xdr, &zero_stateid); |
1da177e4 LT |
1489 | } |
1490 | ||
cf8cdbe5 | 1491 | static void encode_read(struct xdr_stream *xdr, const struct nfs_readargs *args, struct compound_hdr *hdr) |
1da177e4 | 1492 | { |
8687b63a | 1493 | __be32 *p; |
1da177e4 | 1494 | |
ab19b481 | 1495 | encode_op_hdr(xdr, OP_READ, decode_read_maxsz, hdr); |
d0b496d2 | 1496 | encode_open_stateid(xdr, args->context, args->lock_context, |
4fc8796d | 1497 | FMODE_READ, hdr->minorversion); |
1da177e4 | 1498 | |
13c65ce9 | 1499 | p = reserve_space(xdr, 12); |
b95be5a9 | 1500 | p = xdr_encode_hyper(p, args->offset); |
34558513 | 1501 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1502 | } |
1503 | ||
cf8cdbe5 | 1504 | static void encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg *readdir, struct rpc_rqst *req, struct compound_hdr *hdr) |
1da177e4 | 1505 | { |
28331a46 TM |
1506 | uint32_t attrs[2] = { |
1507 | FATTR4_WORD0_RDATTR_ERROR, | |
1508 | FATTR4_WORD1_MOUNTED_ON_FILEID, | |
1509 | }; | |
6f7a35bd | 1510 | uint32_t dircount = readdir->count >> 1; |
cd93710e | 1511 | __be32 *p, verf[2]; |
1da177e4 | 1512 | |
82f2e547 BS |
1513 | if (readdir->plus) { |
1514 | attrs[0] |= FATTR4_WORD0_TYPE|FATTR4_WORD0_CHANGE|FATTR4_WORD0_SIZE| | |
28331a46 | 1515 | FATTR4_WORD0_FSID|FATTR4_WORD0_FILEHANDLE|FATTR4_WORD0_FILEID; |
82f2e547 BS |
1516 | attrs[1] |= FATTR4_WORD1_MODE|FATTR4_WORD1_NUMLINKS|FATTR4_WORD1_OWNER| |
1517 | FATTR4_WORD1_OWNER_GROUP|FATTR4_WORD1_RAWDEV| | |
1518 | FATTR4_WORD1_SPACE_USED|FATTR4_WORD1_TIME_ACCESS| | |
1519 | FATTR4_WORD1_TIME_METADATA|FATTR4_WORD1_TIME_MODIFY; | |
6f7a35bd | 1520 | dircount >>= 1; |
82f2e547 | 1521 | } |
28331a46 TM |
1522 | /* Use mounted_on_fileid only if the server supports it */ |
1523 | if (!(readdir->bitmask[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) | |
1524 | attrs[0] |= FATTR4_WORD0_FILEID; | |
82f2e547 | 1525 | |
475d4ba0 | 1526 | encode_op_hdr(xdr, OP_READDIR, decode_readdir_maxsz, hdr); |
ff2eb681 | 1527 | encode_uint64(xdr, readdir->cookie); |
cd93710e CL |
1528 | encode_nfs4_verifier(xdr, &readdir->verifier); |
1529 | p = reserve_space(xdr, 20); | |
6f7a35bd | 1530 | *p++ = cpu_to_be32(dircount); |
e75bc1c8 BH |
1531 | *p++ = cpu_to_be32(readdir->count); |
1532 | *p++ = cpu_to_be32(2); | |
82f2e547 | 1533 | |
e75bc1c8 | 1534 | *p++ = cpu_to_be32(attrs[0] & readdir->bitmask[0]); |
34558513 | 1535 | *p = cpu_to_be32(attrs[1] & readdir->bitmask[1]); |
cd93710e | 1536 | memcpy(verf, readdir->verifier.data, sizeof(verf)); |
44109241 FI |
1537 | dprintk("%s: cookie = %Lu, verifier = %08x:%08x, bitmap = %08x:%08x\n", |
1538 | __func__, | |
eadf4598 | 1539 | (unsigned long long)readdir->cookie, |
cd93710e | 1540 | verf[0], verf[1], |
eadf4598 TM |
1541 | attrs[0] & readdir->bitmask[0], |
1542 | attrs[1] & readdir->bitmask[1]); | |
1da177e4 LT |
1543 | } |
1544 | ||
cf8cdbe5 | 1545 | static void encode_readlink(struct xdr_stream *xdr, const struct nfs4_readlink *readlink, struct rpc_rqst *req, struct compound_hdr *hdr) |
1da177e4 | 1546 | { |
ab19b481 | 1547 | encode_op_hdr(xdr, OP_READLINK, decode_readlink_maxsz, hdr); |
1da177e4 LT |
1548 | } |
1549 | ||
cf8cdbe5 | 1550 | static void encode_remove(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1551 | { |
ab19b481 | 1552 | encode_op_hdr(xdr, OP_REMOVE, decode_remove_maxsz, hdr); |
6fdfb0bc | 1553 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1554 | } |
1555 | ||
cf8cdbe5 | 1556 | static void encode_rename(struct xdr_stream *xdr, const struct qstr *oldname, const struct qstr *newname, struct compound_hdr *hdr) |
1da177e4 | 1557 | { |
ab19b481 | 1558 | encode_op_hdr(xdr, OP_RENAME, decode_rename_maxsz, hdr); |
811652bd BH |
1559 | encode_string(xdr, oldname->len, oldname->name); |
1560 | encode_string(xdr, newname->len, newname->name); | |
1da177e4 LT |
1561 | } |
1562 | ||
bb4dae5e CL |
1563 | static void encode_renew(struct xdr_stream *xdr, clientid4 clid, |
1564 | struct compound_hdr *hdr) | |
1da177e4 | 1565 | { |
475d4ba0 | 1566 | encode_op_hdr(xdr, OP_RENEW, decode_renew_maxsz, hdr); |
ff2eb681 | 1567 | encode_uint64(xdr, clid); |
1da177e4 LT |
1568 | } |
1569 | ||
cf8cdbe5 | 1570 | static void |
d017931c | 1571 | encode_restorefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
56ae19f3 | 1572 | { |
ab19b481 | 1573 | encode_op_hdr(xdr, OP_RESTOREFH, decode_restorefh_maxsz, hdr); |
56ae19f3 TM |
1574 | } |
1575 | ||
9f06c719 | 1576 | static void |
d017931c | 1577 | encode_setacl(struct xdr_stream *xdr, struct nfs_setaclargs *arg, struct compound_hdr *hdr) |
23ec6965 | 1578 | { |
8687b63a | 1579 | __be32 *p; |
23ec6965 | 1580 | |
ab19b481 | 1581 | encode_op_hdr(xdr, OP_SETATTR, decode_setacl_maxsz, hdr); |
ea9d23f5 | 1582 | encode_nfs4_stateid(xdr, &zero_stateid); |
13c65ce9 | 1583 | p = reserve_space(xdr, 2*4); |
e75bc1c8 | 1584 | *p++ = cpu_to_be32(1); |
34558513 | 1585 | *p = cpu_to_be32(FATTR4_WORD0_ACL); |
9f06c719 | 1586 | BUG_ON(arg->acl_len % 4); |
13c65ce9 | 1587 | p = reserve_space(xdr, 4); |
34558513 | 1588 | *p = cpu_to_be32(arg->acl_len); |
23ec6965 | 1589 | xdr_write_pages(xdr, arg->acl_pages, arg->acl_pgbase, arg->acl_len); |
23ec6965 BF |
1590 | } |
1591 | ||
cf8cdbe5 | 1592 | static void |
d017931c | 1593 | encode_savefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1594 | { |
ab19b481 | 1595 | encode_op_hdr(xdr, OP_SAVEFH, decode_savefh_maxsz, hdr); |
1da177e4 LT |
1596 | } |
1597 | ||
cf8cdbe5 | 1598 | static void encode_setattr(struct xdr_stream *xdr, const struct nfs_setattrargs *arg, const struct nfs_server *server, struct compound_hdr *hdr) |
1da177e4 | 1599 | { |
ab19b481 | 1600 | encode_op_hdr(xdr, OP_SETATTR, decode_setattr_maxsz, hdr); |
ea9d23f5 | 1601 | encode_nfs4_stateid(xdr, &arg->stateid); |
cf8cdbe5 | 1602 | encode_attrs(xdr, arg->iap, server); |
1da177e4 LT |
1603 | } |
1604 | ||
cf8cdbe5 | 1605 | static void encode_setclientid(struct xdr_stream *xdr, const struct nfs4_setclientid *setclientid, struct compound_hdr *hdr) |
1da177e4 | 1606 | { |
8687b63a | 1607 | __be32 *p; |
1da177e4 | 1608 | |
70019514 | 1609 | encode_op_hdr(xdr, OP_SETCLIENTID, decode_setclientid_maxsz, hdr); |
cd93710e | 1610 | encode_nfs4_verifier(xdr, setclientid->sc_verifier); |
1da177e4 LT |
1611 | |
1612 | encode_string(xdr, setclientid->sc_name_len, setclientid->sc_name); | |
13c65ce9 | 1613 | p = reserve_space(xdr, 4); |
34558513 | 1614 | *p = cpu_to_be32(setclientid->sc_prog); |
1da177e4 LT |
1615 | encode_string(xdr, setclientid->sc_netid_len, setclientid->sc_netid); |
1616 | encode_string(xdr, setclientid->sc_uaddr_len, setclientid->sc_uaddr); | |
13c65ce9 | 1617 | p = reserve_space(xdr, 4); |
34558513 | 1618 | *p = cpu_to_be32(setclientid->sc_cb_ident); |
1da177e4 LT |
1619 | } |
1620 | ||
bb8b27e5 | 1621 | static void encode_setclientid_confirm(struct xdr_stream *xdr, const struct nfs4_setclientid_res *arg, struct compound_hdr *hdr) |
1da177e4 | 1622 | { |
475d4ba0 TM |
1623 | encode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM, |
1624 | decode_setclientid_confirm_maxsz, hdr); | |
ff2eb681 | 1625 | encode_uint64(xdr, arg->clientid); |
cd93710e | 1626 | encode_nfs4_verifier(xdr, &arg->confirm); |
1da177e4 LT |
1627 | } |
1628 | ||
cf8cdbe5 | 1629 | static void encode_write(struct xdr_stream *xdr, const struct nfs_writeargs *args, struct compound_hdr *hdr) |
1da177e4 | 1630 | { |
8687b63a | 1631 | __be32 *p; |
1da177e4 | 1632 | |
ab19b481 | 1633 | encode_op_hdr(xdr, OP_WRITE, decode_write_maxsz, hdr); |
d0b496d2 | 1634 | encode_open_stateid(xdr, args->context, args->lock_context, |
4fc8796d | 1635 | FMODE_WRITE, hdr->minorversion); |
1da177e4 | 1636 | |
13c65ce9 | 1637 | p = reserve_space(xdr, 16); |
b95be5a9 | 1638 | p = xdr_encode_hyper(p, args->offset); |
e75bc1c8 | 1639 | *p++ = cpu_to_be32(args->stable); |
34558513 | 1640 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1641 | |
1642 | xdr_write_pages(xdr, args->pages, args->pgbase, args->count); | |
1da177e4 LT |
1643 | } |
1644 | ||
cf8cdbe5 | 1645 | static void encode_delegreturn(struct xdr_stream *xdr, const nfs4_stateid *stateid, struct compound_hdr *hdr) |
1da177e4 | 1646 | { |
ab19b481 | 1647 | encode_op_hdr(xdr, OP_DELEGRETURN, decode_delegreturn_maxsz, hdr); |
ea9d23f5 | 1648 | encode_nfs4_stateid(xdr, stateid); |
1da177e4 | 1649 | } |
9b7b9fcc | 1650 | |
5a5ea0d4 BS |
1651 | static void encode_secinfo(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1652 | { | |
ab19b481 | 1653 | encode_op_hdr(xdr, OP_SECINFO, decode_secinfo_maxsz, hdr); |
6fdfb0bc | 1654 | encode_string(xdr, name->len, name->name); |
5a5ea0d4 BS |
1655 | } |
1656 | ||
99fe60d0 | 1657 | #if defined(CONFIG_NFS_V4_1) |
9b7b9fcc | 1658 | /* NFSv4.1 operations */ |
99fe60d0 BH |
1659 | static void encode_exchange_id(struct xdr_stream *xdr, |
1660 | struct nfs41_exchange_id_args *args, | |
1661 | struct compound_hdr *hdr) | |
1662 | { | |
1663 | __be32 *p; | |
db8ac8ba WAA |
1664 | char impl_name[NFS4_OPAQUE_LIMIT]; |
1665 | int len = 0; | |
99fe60d0 | 1666 | |
70019514 | 1667 | encode_op_hdr(xdr, OP_EXCHANGE_ID, decode_exchange_id_maxsz, hdr); |
cd93710e | 1668 | encode_nfs4_verifier(xdr, args->verifier); |
99fe60d0 BH |
1669 | |
1670 | encode_string(xdr, args->id_len, args->id); | |
1671 | ||
13c65ce9 | 1672 | p = reserve_space(xdr, 12); |
e75bc1c8 BH |
1673 | *p++ = cpu_to_be32(args->flags); |
1674 | *p++ = cpu_to_be32(0); /* zero length state_protect4_a */ | |
db8ac8ba WAA |
1675 | |
1676 | if (send_implementation_id && | |
1677 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) > 1 && | |
1678 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) | |
1679 | <= NFS4_OPAQUE_LIMIT + 1) | |
1680 | len = snprintf(impl_name, sizeof(impl_name), "%s %s %s %s", | |
1681 | utsname()->sysname, utsname()->release, | |
1682 | utsname()->version, utsname()->machine); | |
1683 | ||
1684 | if (len > 0) { | |
1685 | *p = cpu_to_be32(1); /* implementation id array length=1 */ | |
1686 | ||
1687 | encode_string(xdr, | |
1688 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) - 1, | |
1689 | CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN); | |
1690 | encode_string(xdr, len, impl_name); | |
1691 | /* just send zeros for nii_date - the date is in nii_name */ | |
1692 | p = reserve_space(xdr, 12); | |
1693 | p = xdr_encode_hyper(p, 0); | |
1694 | *p = cpu_to_be32(0); | |
1695 | } else | |
1696 | *p = cpu_to_be32(0); /* implementation id array length=0 */ | |
99fe60d0 | 1697 | } |
fc931582 AA |
1698 | |
1699 | static void encode_create_session(struct xdr_stream *xdr, | |
1700 | struct nfs41_create_session_args *args, | |
1701 | struct compound_hdr *hdr) | |
1702 | { | |
1703 | __be32 *p; | |
1704 | char machine_name[NFS4_MAX_MACHINE_NAME_LEN]; | |
1705 | uint32_t len; | |
1706 | struct nfs_client *clp = args->client; | |
f092075d | 1707 | struct nfs_net *nn = net_generic(clp->cl_net, nfs_net_id); |
8e0d46e1 MS |
1708 | u32 max_resp_sz_cached; |
1709 | ||
1710 | /* | |
1711 | * Assumes OPEN is the biggest non-idempotent compound. | |
1712 | * 2 is the verifier. | |
1713 | */ | |
1714 | max_resp_sz_cached = (NFS4_dec_open_sz + RPC_REPHDRSIZE + | |
1715 | RPC_MAX_AUTH_SIZE + 2) * XDR_UNIT; | |
fc931582 | 1716 | |
42edd698 BH |
1717 | len = scnprintf(machine_name, sizeof(machine_name), "%s", |
1718 | clp->cl_ipaddr); | |
fc931582 | 1719 | |
475d4ba0 TM |
1720 | encode_op_hdr(xdr, OP_CREATE_SESSION, decode_create_session_maxsz, hdr); |
1721 | p = reserve_space(xdr, 16 + 2*28 + 20 + len + 12); | |
114f64b5 | 1722 | p = xdr_encode_hyper(p, clp->cl_clientid); |
e75bc1c8 BH |
1723 | *p++ = cpu_to_be32(clp->cl_seqid); /*Sequence id */ |
1724 | *p++ = cpu_to_be32(args->flags); /*flags */ | |
fc931582 | 1725 | |
fc931582 | 1726 | /* Fore Channel */ |
c9c30dd5 | 1727 | *p++ = cpu_to_be32(0); /* header padding size */ |
e75bc1c8 BH |
1728 | *p++ = cpu_to_be32(args->fc_attrs.max_rqst_sz); /* max req size */ |
1729 | *p++ = cpu_to_be32(args->fc_attrs.max_resp_sz); /* max resp size */ | |
8e0d46e1 | 1730 | *p++ = cpu_to_be32(max_resp_sz_cached); /* Max resp sz cached */ |
e75bc1c8 BH |
1731 | *p++ = cpu_to_be32(args->fc_attrs.max_ops); /* max operations */ |
1732 | *p++ = cpu_to_be32(args->fc_attrs.max_reqs); /* max requests */ | |
1733 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ | |
fc931582 AA |
1734 | |
1735 | /* Back Channel */ | |
c9c30dd5 | 1736 | *p++ = cpu_to_be32(0); /* header padding size */ |
e75bc1c8 BH |
1737 | *p++ = cpu_to_be32(args->bc_attrs.max_rqst_sz); /* max req size */ |
1738 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz); /* max resp size */ | |
1739 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz_cached); /* Max resp sz cached */ | |
1740 | *p++ = cpu_to_be32(args->bc_attrs.max_ops); /* max operations */ | |
1741 | *p++ = cpu_to_be32(args->bc_attrs.max_reqs); /* max requests */ | |
1742 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ | |
fc931582 | 1743 | |
e75bc1c8 | 1744 | *p++ = cpu_to_be32(args->cb_program); /* cb_program */ |
e75bc1c8 | 1745 | *p++ = cpu_to_be32(1); |
e75bc1c8 | 1746 | *p++ = cpu_to_be32(RPC_AUTH_UNIX); /* auth_sys */ |
fc931582 AA |
1747 | |
1748 | /* authsys_parms rfc1831 */ | |
f092075d | 1749 | *p++ = (__be32)nn->boot_time.tv_nsec; /* stamp */ |
811652bd | 1750 | p = xdr_encode_opaque(p, machine_name, len); |
e75bc1c8 BH |
1751 | *p++ = cpu_to_be32(0); /* UID */ |
1752 | *p++ = cpu_to_be32(0); /* GID */ | |
34558513 | 1753 | *p = cpu_to_be32(0); /* No more gids */ |
fc931582 | 1754 | } |
0f3e66c6 AA |
1755 | |
1756 | static void encode_destroy_session(struct xdr_stream *xdr, | |
1757 | struct nfs4_session *session, | |
1758 | struct compound_hdr *hdr) | |
1759 | { | |
475d4ba0 TM |
1760 | encode_op_hdr(xdr, OP_DESTROY_SESSION, decode_destroy_session_maxsz, hdr); |
1761 | encode_opaque_fixed(xdr, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); | |
0f3e66c6 | 1762 | } |
18019753 RL |
1763 | |
1764 | static void encode_reclaim_complete(struct xdr_stream *xdr, | |
1765 | struct nfs41_reclaim_complete_args *args, | |
1766 | struct compound_hdr *hdr) | |
1767 | { | |
475d4ba0 TM |
1768 | encode_op_hdr(xdr, OP_RECLAIM_COMPLETE, decode_reclaim_complete_maxsz, hdr); |
1769 | encode_uint32(xdr, args->one_fs); | |
18019753 | 1770 | } |
99fe60d0 BH |
1771 | #endif /* CONFIG_NFS_V4_1 */ |
1772 | ||
9b7b9fcc AA |
1773 | static void encode_sequence(struct xdr_stream *xdr, |
1774 | const struct nfs4_sequence_args *args, | |
1775 | struct compound_hdr *hdr) | |
1776 | { | |
1777 | #if defined(CONFIG_NFS_V4_1) | |
1778 | struct nfs4_session *session = args->sa_session; | |
fc01cea9 AA |
1779 | struct nfs4_slot_table *tp; |
1780 | struct nfs4_slot *slot; | |
1781 | __be32 *p; | |
9b7b9fcc AA |
1782 | |
1783 | if (!session) | |
1784 | return; | |
1785 | ||
fc01cea9 AA |
1786 | tp = &session->fc_slot_table; |
1787 | ||
1788 | WARN_ON(args->sa_slotid == NFS4_MAX_SLOT_TABLE); | |
1789 | slot = tp->slots + args->sa_slotid; | |
1790 | ||
475d4ba0 | 1791 | encode_op_hdr(xdr, OP_SEQUENCE, decode_sequence_maxsz, hdr); |
fc01cea9 AA |
1792 | |
1793 | /* | |
1794 | * Sessionid + seqid + slotid + max slotid + cache_this | |
1795 | */ | |
1796 | dprintk("%s: sessionid=%u:%u:%u:%u seqid=%d slotid=%d " | |
1797 | "max_slotid=%d cache_this=%d\n", | |
1798 | __func__, | |
1799 | ((u32 *)session->sess_id.data)[0], | |
1800 | ((u32 *)session->sess_id.data)[1], | |
1801 | ((u32 *)session->sess_id.data)[2], | |
1802 | ((u32 *)session->sess_id.data)[3], | |
1803 | slot->seq_nr, args->sa_slotid, | |
1804 | tp->highest_used_slotid, args->sa_cache_this); | |
475d4ba0 | 1805 | p = reserve_space(xdr, NFS4_MAX_SESSIONID_LEN + 16); |
93f0cf25 | 1806 | p = xdr_encode_opaque_fixed(p, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); |
e75bc1c8 BH |
1807 | *p++ = cpu_to_be32(slot->seq_nr); |
1808 | *p++ = cpu_to_be32(args->sa_slotid); | |
1809 | *p++ = cpu_to_be32(tp->highest_used_slotid); | |
34558513 | 1810 | *p = cpu_to_be32(args->sa_cache_this); |
9b7b9fcc AA |
1811 | #endif /* CONFIG_NFS_V4_1 */ |
1812 | } | |
1813 | ||
b1f69b75 | 1814 | #ifdef CONFIG_NFS_V4_1 |
7f11d8d3 AA |
1815 | static void |
1816 | encode_getdevicelist(struct xdr_stream *xdr, | |
1817 | const struct nfs4_getdevicelist_args *args, | |
1818 | struct compound_hdr *hdr) | |
1819 | { | |
1820 | __be32 *p; | |
1821 | nfs4_verifier dummy = { | |
1822 | .data = "dummmmmy", | |
1823 | }; | |
1824 | ||
475d4ba0 TM |
1825 | encode_op_hdr(xdr, OP_GETDEVICELIST, decode_getdevicelist_maxsz, hdr); |
1826 | p = reserve_space(xdr, 16); | |
7f11d8d3 AA |
1827 | *p++ = cpu_to_be32(args->layoutclass); |
1828 | *p++ = cpu_to_be32(NFS4_PNFS_GETDEVLIST_MAXNUM); | |
1829 | xdr_encode_hyper(p, 0ULL); /* cookie */ | |
1830 | encode_nfs4_verifier(xdr, &dummy); | |
7f11d8d3 AA |
1831 | } |
1832 | ||
b1f69b75 AA |
1833 | static void |
1834 | encode_getdeviceinfo(struct xdr_stream *xdr, | |
1835 | const struct nfs4_getdeviceinfo_args *args, | |
1836 | struct compound_hdr *hdr) | |
1837 | { | |
1838 | __be32 *p; | |
1839 | ||
475d4ba0 TM |
1840 | encode_op_hdr(xdr, OP_GETDEVICEINFO, decode_getdeviceinfo_maxsz, hdr); |
1841 | p = reserve_space(xdr, 12 + NFS4_DEVICEID4_SIZE); | |
b1f69b75 AA |
1842 | p = xdr_encode_opaque_fixed(p, args->pdev->dev_id.data, |
1843 | NFS4_DEVICEID4_SIZE); | |
1844 | *p++ = cpu_to_be32(args->pdev->layout_type); | |
1845 | *p++ = cpu_to_be32(args->pdev->pglen); /* gdia_maxcount */ | |
1846 | *p++ = cpu_to_be32(0); /* bitmap length 0 */ | |
b1f69b75 AA |
1847 | } |
1848 | ||
1849 | static void | |
1850 | encode_layoutget(struct xdr_stream *xdr, | |
1851 | const struct nfs4_layoutget_args *args, | |
1852 | struct compound_hdr *hdr) | |
1853 | { | |
b1f69b75 AA |
1854 | __be32 *p; |
1855 | ||
475d4ba0 TM |
1856 | encode_op_hdr(xdr, OP_LAYOUTGET, decode_layoutget_maxsz, hdr); |
1857 | p = reserve_space(xdr, 36); | |
b1f69b75 AA |
1858 | *p++ = cpu_to_be32(0); /* Signal layout available */ |
1859 | *p++ = cpu_to_be32(args->type); | |
1860 | *p++ = cpu_to_be32(args->range.iomode); | |
1861 | p = xdr_encode_hyper(p, args->range.offset); | |
1862 | p = xdr_encode_hyper(p, args->range.length); | |
1863 | p = xdr_encode_hyper(p, args->minlength); | |
ea9d23f5 | 1864 | encode_nfs4_stateid(xdr, &args->stateid); |
475d4ba0 | 1865 | encode_uint32(xdr, args->maxcount); |
b1f69b75 AA |
1866 | |
1867 | dprintk("%s: 1st type:0x%x iomode:%d off:%lu len:%lu mc:%d\n", | |
1868 | __func__, | |
1869 | args->type, | |
1870 | args->range.iomode, | |
1871 | (unsigned long)args->range.offset, | |
1872 | (unsigned long)args->range.length, | |
1873 | args->maxcount); | |
b1f69b75 | 1874 | } |
863a3c6c AA |
1875 | |
1876 | static int | |
1877 | encode_layoutcommit(struct xdr_stream *xdr, | |
ac7db726 | 1878 | struct inode *inode, |
863a3c6c AA |
1879 | const struct nfs4_layoutcommit_args *args, |
1880 | struct compound_hdr *hdr) | |
1881 | { | |
1882 | __be32 *p; | |
1883 | ||
1884 | dprintk("%s: lbw: %llu type: %d\n", __func__, args->lastbytewritten, | |
1885 | NFS_SERVER(args->inode)->pnfs_curr_ld->id); | |
1886 | ||
475d4ba0 TM |
1887 | encode_op_hdr(xdr, OP_LAYOUTCOMMIT, decode_layoutcommit_maxsz, hdr); |
1888 | p = reserve_space(xdr, 20); | |
863a3c6c AA |
1889 | /* Only whole file layouts */ |
1890 | p = xdr_encode_hyper(p, 0); /* offset */ | |
3557c6c3 | 1891 | p = xdr_encode_hyper(p, args->lastbytewritten + 1); /* length */ |
ea9d23f5 TM |
1892 | *p = cpu_to_be32(0); /* reclaim */ |
1893 | encode_nfs4_stateid(xdr, &args->stateid); | |
1894 | p = reserve_space(xdr, 20); | |
863a3c6c AA |
1895 | *p++ = cpu_to_be32(1); /* newoffset = TRUE */ |
1896 | p = xdr_encode_hyper(p, args->lastbytewritten); | |
1897 | *p++ = cpu_to_be32(0); /* Never send time_modify_changed */ | |
1898 | *p++ = cpu_to_be32(NFS_SERVER(args->inode)->pnfs_curr_ld->id);/* type */ | |
ac7db726 BH |
1899 | |
1900 | if (NFS_SERVER(inode)->pnfs_curr_ld->encode_layoutcommit) | |
1901 | NFS_SERVER(inode)->pnfs_curr_ld->encode_layoutcommit( | |
1902 | NFS_I(inode)->layout, xdr, args); | |
475d4ba0 TM |
1903 | else |
1904 | encode_uint32(xdr, 0); /* no layout-type payload */ | |
863a3c6c | 1905 | |
863a3c6c AA |
1906 | return 0; |
1907 | } | |
cbe82603 BH |
1908 | |
1909 | static void | |
1910 | encode_layoutreturn(struct xdr_stream *xdr, | |
1911 | const struct nfs4_layoutreturn_args *args, | |
1912 | struct compound_hdr *hdr) | |
1913 | { | |
1914 | __be32 *p; | |
1915 | ||
475d4ba0 TM |
1916 | encode_op_hdr(xdr, OP_LAYOUTRETURN, decode_layoutreturn_maxsz, hdr); |
1917 | p = reserve_space(xdr, 16); | |
cbe82603 BH |
1918 | *p++ = cpu_to_be32(0); /* reclaim. always 0 for now */ |
1919 | *p++ = cpu_to_be32(args->layout_type); | |
1920 | *p++ = cpu_to_be32(IOMODE_ANY); | |
1921 | *p = cpu_to_be32(RETURN_FILE); | |
ea9d23f5 | 1922 | p = reserve_space(xdr, 16); |
cbe82603 BH |
1923 | p = xdr_encode_hyper(p, 0); |
1924 | p = xdr_encode_hyper(p, NFS4_MAX_UINT64); | |
1925 | spin_lock(&args->inode->i_lock); | |
ea9d23f5 | 1926 | encode_nfs4_stateid(xdr, &args->stateid); |
cbe82603 | 1927 | spin_unlock(&args->inode->i_lock); |
04a55549 AA |
1928 | if (NFS_SERVER(args->inode)->pnfs_curr_ld->encode_layoutreturn) { |
1929 | NFS_SERVER(args->inode)->pnfs_curr_ld->encode_layoutreturn( | |
1930 | NFS_I(args->inode)->layout, xdr, args); | |
475d4ba0 TM |
1931 | } else |
1932 | encode_uint32(xdr, 0); | |
cbe82603 | 1933 | } |
fca78d6d BS |
1934 | |
1935 | static int | |
1936 | encode_secinfo_no_name(struct xdr_stream *xdr, | |
1937 | const struct nfs41_secinfo_no_name_args *args, | |
1938 | struct compound_hdr *hdr) | |
1939 | { | |
475d4ba0 TM |
1940 | encode_op_hdr(xdr, OP_SECINFO_NO_NAME, decode_secinfo_no_name_maxsz, hdr); |
1941 | encode_uint32(xdr, args->style); | |
fca78d6d BS |
1942 | return 0; |
1943 | } | |
7d974794 BS |
1944 | |
1945 | static void encode_test_stateid(struct xdr_stream *xdr, | |
1946 | struct nfs41_test_stateid_args *args, | |
1947 | struct compound_hdr *hdr) | |
1948 | { | |
475d4ba0 TM |
1949 | encode_op_hdr(xdr, OP_TEST_STATEID, decode_test_stateid_maxsz, hdr); |
1950 | encode_uint32(xdr, 1); | |
ea9d23f5 | 1951 | encode_nfs4_stateid(xdr, args->stateid); |
7d974794 | 1952 | } |
9aeda35f BS |
1953 | |
1954 | static void encode_free_stateid(struct xdr_stream *xdr, | |
1955 | struct nfs41_free_stateid_args *args, | |
1956 | struct compound_hdr *hdr) | |
1957 | { | |
ab19b481 | 1958 | encode_op_hdr(xdr, OP_FREE_STATEID, decode_free_stateid_maxsz, hdr); |
ea9d23f5 | 1959 | encode_nfs4_stateid(xdr, args->stateid); |
9aeda35f | 1960 | } |
b1f69b75 AA |
1961 | #endif /* CONFIG_NFS_V4_1 */ |
1962 | ||
1da177e4 LT |
1963 | /* |
1964 | * END OF "GENERIC" ENCODE ROUTINES. | |
1965 | */ | |
1966 | ||
66cc0429 BH |
1967 | static u32 nfs4_xdr_minorversion(const struct nfs4_sequence_args *args) |
1968 | { | |
1969 | #if defined(CONFIG_NFS_V4_1) | |
1970 | if (args->sa_session) | |
a4432345 | 1971 | return args->sa_session->clp->cl_mvops->minor_version; |
66cc0429 BH |
1972 | #endif /* CONFIG_NFS_V4_1 */ |
1973 | return 0; | |
1974 | } | |
1975 | ||
1da177e4 LT |
1976 | /* |
1977 | * Encode an ACCESS request | |
1978 | */ | |
9f06c719 CL |
1979 | static void nfs4_xdr_enc_access(struct rpc_rqst *req, struct xdr_stream *xdr, |
1980 | const struct nfs4_accessargs *args) | |
1da177e4 | 1981 | { |
1da177e4 | 1982 | struct compound_hdr hdr = { |
66cc0429 | 1983 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1984 | }; |
1da177e4 | 1985 | |
9f06c719 CL |
1986 | encode_compound_hdr(xdr, req, &hdr); |
1987 | encode_sequence(xdr, &args->seq_args, &hdr); | |
1988 | encode_putfh(xdr, args->fh, &hdr); | |
1989 | encode_access(xdr, args->access, &hdr); | |
1990 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 1991 | encode_nops(&hdr); |
1da177e4 LT |
1992 | } |
1993 | ||
1994 | /* | |
1995 | * Encode LOOKUP request | |
1996 | */ | |
9f06c719 CL |
1997 | static void nfs4_xdr_enc_lookup(struct rpc_rqst *req, struct xdr_stream *xdr, |
1998 | const struct nfs4_lookup_arg *args) | |
1da177e4 | 1999 | { |
1da177e4 | 2000 | struct compound_hdr hdr = { |
66cc0429 | 2001 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2002 | }; |
1da177e4 | 2003 | |
9f06c719 CL |
2004 | encode_compound_hdr(xdr, req, &hdr); |
2005 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2006 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2007 | encode_lookup(xdr, args->name, &hdr); | |
2008 | encode_getfh(xdr, &hdr); | |
2009 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2010 | encode_nops(&hdr); |
1da177e4 LT |
2011 | } |
2012 | ||
2013 | /* | |
2014 | * Encode LOOKUP_ROOT request | |
2015 | */ | |
9f06c719 CL |
2016 | static void nfs4_xdr_enc_lookup_root(struct rpc_rqst *req, |
2017 | struct xdr_stream *xdr, | |
2018 | const struct nfs4_lookup_root_arg *args) | |
1da177e4 | 2019 | { |
1da177e4 | 2020 | struct compound_hdr hdr = { |
66cc0429 | 2021 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2022 | }; |
1da177e4 | 2023 | |
9f06c719 CL |
2024 | encode_compound_hdr(xdr, req, &hdr); |
2025 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2026 | encode_putrootfh(xdr, &hdr); | |
2027 | encode_getfh(xdr, &hdr); | |
2028 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2029 | encode_nops(&hdr); |
1da177e4 LT |
2030 | } |
2031 | ||
2032 | /* | |
2033 | * Encode REMOVE request | |
2034 | */ | |
9f06c719 CL |
2035 | static void nfs4_xdr_enc_remove(struct rpc_rqst *req, struct xdr_stream *xdr, |
2036 | const struct nfs_removeargs *args) | |
1da177e4 | 2037 | { |
1da177e4 | 2038 | struct compound_hdr hdr = { |
66cc0429 | 2039 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2040 | }; |
1da177e4 | 2041 | |
9f06c719 CL |
2042 | encode_compound_hdr(xdr, req, &hdr); |
2043 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2044 | encode_putfh(xdr, args->fh, &hdr); | |
2045 | encode_remove(xdr, &args->name, &hdr); | |
d017931c | 2046 | encode_nops(&hdr); |
1da177e4 LT |
2047 | } |
2048 | ||
2049 | /* | |
2050 | * Encode RENAME request | |
2051 | */ | |
9f06c719 CL |
2052 | static void nfs4_xdr_enc_rename(struct rpc_rqst *req, struct xdr_stream *xdr, |
2053 | const struct nfs_renameargs *args) | |
1da177e4 | 2054 | { |
1da177e4 | 2055 | struct compound_hdr hdr = { |
66cc0429 | 2056 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2057 | }; |
1da177e4 | 2058 | |
9f06c719 CL |
2059 | encode_compound_hdr(xdr, req, &hdr); |
2060 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2061 | encode_putfh(xdr, args->old_dir, &hdr); | |
2062 | encode_savefh(xdr, &hdr); | |
2063 | encode_putfh(xdr, args->new_dir, &hdr); | |
2064 | encode_rename(xdr, args->old_name, args->new_name, &hdr); | |
d017931c | 2065 | encode_nops(&hdr); |
1da177e4 LT |
2066 | } |
2067 | ||
2068 | /* | |
2069 | * Encode LINK request | |
2070 | */ | |
9f06c719 CL |
2071 | static void nfs4_xdr_enc_link(struct rpc_rqst *req, struct xdr_stream *xdr, |
2072 | const struct nfs4_link_arg *args) | |
1da177e4 | 2073 | { |
1da177e4 | 2074 | struct compound_hdr hdr = { |
66cc0429 | 2075 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2076 | }; |
1da177e4 | 2077 | |
9f06c719 CL |
2078 | encode_compound_hdr(xdr, req, &hdr); |
2079 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2080 | encode_putfh(xdr, args->fh, &hdr); | |
2081 | encode_savefh(xdr, &hdr); | |
2082 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2083 | encode_link(xdr, args->name, &hdr); | |
9f06c719 CL |
2084 | encode_restorefh(xdr, &hdr); |
2085 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2086 | encode_nops(&hdr); |
1da177e4 LT |
2087 | } |
2088 | ||
2089 | /* | |
2090 | * Encode CREATE request | |
2091 | */ | |
9f06c719 CL |
2092 | static void nfs4_xdr_enc_create(struct rpc_rqst *req, struct xdr_stream *xdr, |
2093 | const struct nfs4_create_arg *args) | |
1da177e4 | 2094 | { |
1da177e4 | 2095 | struct compound_hdr hdr = { |
66cc0429 | 2096 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2097 | }; |
1da177e4 | 2098 | |
9f06c719 CL |
2099 | encode_compound_hdr(xdr, req, &hdr); |
2100 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2101 | encode_putfh(xdr, args->dir_fh, &hdr); | |
9f06c719 CL |
2102 | encode_create(xdr, args, &hdr); |
2103 | encode_getfh(xdr, &hdr); | |
2104 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2105 | encode_nops(&hdr); |
1da177e4 LT |
2106 | } |
2107 | ||
2108 | /* | |
2109 | * Encode SYMLINK request | |
2110 | */ | |
9f06c719 CL |
2111 | static void nfs4_xdr_enc_symlink(struct rpc_rqst *req, struct xdr_stream *xdr, |
2112 | const struct nfs4_create_arg *args) | |
1da177e4 | 2113 | { |
9f06c719 | 2114 | nfs4_xdr_enc_create(req, xdr, args); |
1da177e4 LT |
2115 | } |
2116 | ||
2117 | /* | |
2118 | * Encode GETATTR request | |
2119 | */ | |
9f06c719 CL |
2120 | static void nfs4_xdr_enc_getattr(struct rpc_rqst *req, struct xdr_stream *xdr, |
2121 | const struct nfs4_getattr_arg *args) | |
1da177e4 | 2122 | { |
1da177e4 | 2123 | struct compound_hdr hdr = { |
66cc0429 | 2124 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2125 | }; |
1da177e4 | 2126 | |
9f06c719 CL |
2127 | encode_compound_hdr(xdr, req, &hdr); |
2128 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2129 | encode_putfh(xdr, args->fh, &hdr); | |
2130 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2131 | encode_nops(&hdr); |
1da177e4 LT |
2132 | } |
2133 | ||
2134 | /* | |
2135 | * Encode a CLOSE request | |
2136 | */ | |
9f06c719 CL |
2137 | static void nfs4_xdr_enc_close(struct rpc_rqst *req, struct xdr_stream *xdr, |
2138 | struct nfs_closeargs *args) | |
1da177e4 | 2139 | { |
05d564fe | 2140 | struct compound_hdr hdr = { |
66cc0429 | 2141 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 2142 | }; |
05d564fe | 2143 | |
9f06c719 CL |
2144 | encode_compound_hdr(xdr, req, &hdr); |
2145 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2146 | encode_putfh(xdr, args->fh, &hdr); | |
2147 | encode_close(xdr, args, &hdr); | |
2148 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2149 | encode_nops(&hdr); |
1da177e4 LT |
2150 | } |
2151 | ||
2152 | /* | |
2153 | * Encode an OPEN request | |
2154 | */ | |
9f06c719 CL |
2155 | static void nfs4_xdr_enc_open(struct rpc_rqst *req, struct xdr_stream *xdr, |
2156 | struct nfs_openargs *args) | |
1da177e4 | 2157 | { |
1da177e4 | 2158 | struct compound_hdr hdr = { |
66cc0429 | 2159 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2160 | }; |
1da177e4 | 2161 | |
9f06c719 CL |
2162 | encode_compound_hdr(xdr, req, &hdr); |
2163 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2164 | encode_putfh(xdr, args->fh, &hdr); | |
9f06c719 CL |
2165 | encode_open(xdr, args, &hdr); |
2166 | encode_getfh(xdr, &hdr); | |
2167 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2168 | encode_nops(&hdr); |
1da177e4 LT |
2169 | } |
2170 | ||
2171 | /* | |
2172 | * Encode an OPEN_CONFIRM request | |
2173 | */ | |
9f06c719 CL |
2174 | static void nfs4_xdr_enc_open_confirm(struct rpc_rqst *req, |
2175 | struct xdr_stream *xdr, | |
2176 | struct nfs_open_confirmargs *args) | |
1da177e4 | 2177 | { |
1da177e4 | 2178 | struct compound_hdr hdr = { |
d017931c | 2179 | .nops = 0, |
1da177e4 | 2180 | }; |
1da177e4 | 2181 | |
9f06c719 CL |
2182 | encode_compound_hdr(xdr, req, &hdr); |
2183 | encode_putfh(xdr, args->fh, &hdr); | |
2184 | encode_open_confirm(xdr, args, &hdr); | |
d017931c | 2185 | encode_nops(&hdr); |
1da177e4 LT |
2186 | } |
2187 | ||
2188 | /* | |
2189 | * Encode an OPEN request with no attributes. | |
2190 | */ | |
9f06c719 CL |
2191 | static void nfs4_xdr_enc_open_noattr(struct rpc_rqst *req, |
2192 | struct xdr_stream *xdr, | |
2193 | struct nfs_openargs *args) | |
1da177e4 | 2194 | { |
1da177e4 | 2195 | struct compound_hdr hdr = { |
66cc0429 | 2196 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2197 | }; |
1da177e4 | 2198 | |
9f06c719 CL |
2199 | encode_compound_hdr(xdr, req, &hdr); |
2200 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2201 | encode_putfh(xdr, args->fh, &hdr); | |
2202 | encode_open(xdr, args, &hdr); | |
2203 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2204 | encode_nops(&hdr); |
1da177e4 LT |
2205 | } |
2206 | ||
2207 | /* | |
2208 | * Encode an OPEN_DOWNGRADE request | |
2209 | */ | |
9f06c719 CL |
2210 | static void nfs4_xdr_enc_open_downgrade(struct rpc_rqst *req, |
2211 | struct xdr_stream *xdr, | |
2212 | struct nfs_closeargs *args) | |
1da177e4 | 2213 | { |
1da177e4 | 2214 | struct compound_hdr hdr = { |
66cc0429 | 2215 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2216 | }; |
1da177e4 | 2217 | |
9f06c719 CL |
2218 | encode_compound_hdr(xdr, req, &hdr); |
2219 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2220 | encode_putfh(xdr, args->fh, &hdr); | |
2221 | encode_open_downgrade(xdr, args, &hdr); | |
2222 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2223 | encode_nops(&hdr); |
1da177e4 LT |
2224 | } |
2225 | ||
2226 | /* | |
2227 | * Encode a LOCK request | |
2228 | */ | |
9f06c719 CL |
2229 | static void nfs4_xdr_enc_lock(struct rpc_rqst *req, struct xdr_stream *xdr, |
2230 | struct nfs_lock_args *args) | |
1da177e4 | 2231 | { |
1da177e4 | 2232 | struct compound_hdr hdr = { |
66cc0429 | 2233 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2234 | }; |
1da177e4 | 2235 | |
9f06c719 CL |
2236 | encode_compound_hdr(xdr, req, &hdr); |
2237 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2238 | encode_putfh(xdr, args->fh, &hdr); | |
2239 | encode_lock(xdr, args, &hdr); | |
d017931c | 2240 | encode_nops(&hdr); |
1da177e4 LT |
2241 | } |
2242 | ||
2243 | /* | |
2244 | * Encode a LOCKT request | |
2245 | */ | |
9f06c719 CL |
2246 | static void nfs4_xdr_enc_lockt(struct rpc_rqst *req, struct xdr_stream *xdr, |
2247 | struct nfs_lockt_args *args) | |
1da177e4 | 2248 | { |
1da177e4 | 2249 | struct compound_hdr hdr = { |
66cc0429 | 2250 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2251 | }; |
1da177e4 | 2252 | |
9f06c719 CL |
2253 | encode_compound_hdr(xdr, req, &hdr); |
2254 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2255 | encode_putfh(xdr, args->fh, &hdr); | |
2256 | encode_lockt(xdr, args, &hdr); | |
d017931c | 2257 | encode_nops(&hdr); |
1da177e4 LT |
2258 | } |
2259 | ||
2260 | /* | |
2261 | * Encode a LOCKU request | |
2262 | */ | |
9f06c719 CL |
2263 | static void nfs4_xdr_enc_locku(struct rpc_rqst *req, struct xdr_stream *xdr, |
2264 | struct nfs_locku_args *args) | |
1da177e4 | 2265 | { |
1da177e4 | 2266 | struct compound_hdr hdr = { |
66cc0429 | 2267 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2268 | }; |
1da177e4 | 2269 | |
9f06c719 CL |
2270 | encode_compound_hdr(xdr, req, &hdr); |
2271 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2272 | encode_putfh(xdr, args->fh, &hdr); | |
2273 | encode_locku(xdr, args, &hdr); | |
d017931c | 2274 | encode_nops(&hdr); |
1da177e4 LT |
2275 | } |
2276 | ||
9f06c719 CL |
2277 | static void nfs4_xdr_enc_release_lockowner(struct rpc_rqst *req, |
2278 | struct xdr_stream *xdr, | |
2279 | struct nfs_release_lockowner_args *args) | |
d3c7b7cc | 2280 | { |
d3c7b7cc TM |
2281 | struct compound_hdr hdr = { |
2282 | .minorversion = 0, | |
2283 | }; | |
2284 | ||
9f06c719 CL |
2285 | encode_compound_hdr(xdr, req, &hdr); |
2286 | encode_release_lockowner(xdr, &args->lock_owner, &hdr); | |
d3c7b7cc | 2287 | encode_nops(&hdr); |
d3c7b7cc TM |
2288 | } |
2289 | ||
1da177e4 LT |
2290 | /* |
2291 | * Encode a READLINK request | |
2292 | */ | |
9f06c719 CL |
2293 | static void nfs4_xdr_enc_readlink(struct rpc_rqst *req, struct xdr_stream *xdr, |
2294 | const struct nfs4_readlink *args) | |
1da177e4 | 2295 | { |
1da177e4 | 2296 | struct compound_hdr hdr = { |
66cc0429 | 2297 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2298 | }; |
1da177e4 | 2299 | |
9f06c719 CL |
2300 | encode_compound_hdr(xdr, req, &hdr); |
2301 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2302 | encode_putfh(xdr, args->fh, &hdr); | |
2303 | encode_readlink(xdr, args, req, &hdr); | |
e3a535e1 | 2304 | |
28f56694 | 2305 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, |
e3a535e1 | 2306 | args->pgbase, args->pglen); |
d017931c | 2307 | encode_nops(&hdr); |
1da177e4 LT |
2308 | } |
2309 | ||
2310 | /* | |
2311 | * Encode a READDIR request | |
2312 | */ | |
9f06c719 CL |
2313 | static void nfs4_xdr_enc_readdir(struct rpc_rqst *req, struct xdr_stream *xdr, |
2314 | const struct nfs4_readdir_arg *args) | |
1da177e4 | 2315 | { |
1da177e4 | 2316 | struct compound_hdr hdr = { |
66cc0429 | 2317 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2318 | }; |
1da177e4 | 2319 | |
9f06c719 CL |
2320 | encode_compound_hdr(xdr, req, &hdr); |
2321 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2322 | encode_putfh(xdr, args->fh, &hdr); | |
2323 | encode_readdir(xdr, args, req, &hdr); | |
d6ac02df | 2324 | |
28f56694 | 2325 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, |
d6ac02df TM |
2326 | args->pgbase, args->count); |
2327 | dprintk("%s: inlined page args = (%u, %p, %u, %u)\n", | |
28f56694 | 2328 | __func__, hdr.replen << 2, args->pages, |
d6ac02df | 2329 | args->pgbase, args->count); |
d017931c | 2330 | encode_nops(&hdr); |
1da177e4 LT |
2331 | } |
2332 | ||
2333 | /* | |
2334 | * Encode a READ request | |
2335 | */ | |
9f06c719 CL |
2336 | static void nfs4_xdr_enc_read(struct rpc_rqst *req, struct xdr_stream *xdr, |
2337 | struct nfs_readargs *args) | |
1da177e4 | 2338 | { |
1da177e4 | 2339 | struct compound_hdr hdr = { |
66cc0429 | 2340 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2341 | }; |
1da177e4 | 2342 | |
9f06c719 CL |
2343 | encode_compound_hdr(xdr, req, &hdr); |
2344 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2345 | encode_putfh(xdr, args->fh, &hdr); | |
2346 | encode_read(xdr, args, &hdr); | |
1da177e4 | 2347 | |
28f56694 | 2348 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, |
1da177e4 | 2349 | args->pages, args->pgbase, args->count); |
4f22ccc3 | 2350 | req->rq_rcv_buf.flags |= XDRBUF_READ; |
d017931c | 2351 | encode_nops(&hdr); |
1da177e4 LT |
2352 | } |
2353 | ||
2354 | /* | |
2355 | * Encode an SETATTR request | |
2356 | */ | |
9f06c719 CL |
2357 | static void nfs4_xdr_enc_setattr(struct rpc_rqst *req, struct xdr_stream *xdr, |
2358 | struct nfs_setattrargs *args) | |
1da177e4 | 2359 | { |
05d564fe | 2360 | struct compound_hdr hdr = { |
66cc0429 | 2361 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 2362 | }; |
05d564fe | 2363 | |
9f06c719 CL |
2364 | encode_compound_hdr(xdr, req, &hdr); |
2365 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2366 | encode_putfh(xdr, args->fh, &hdr); | |
2367 | encode_setattr(xdr, args, args->server, &hdr); | |
2368 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2369 | encode_nops(&hdr); |
1da177e4 LT |
2370 | } |
2371 | ||
029d105e BF |
2372 | /* |
2373 | * Encode a GETACL request | |
2374 | */ | |
9f06c719 CL |
2375 | static void nfs4_xdr_enc_getacl(struct rpc_rqst *req, struct xdr_stream *xdr, |
2376 | struct nfs_getaclargs *args) | |
029d105e | 2377 | { |
029d105e | 2378 | struct compound_hdr hdr = { |
66cc0429 | 2379 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
029d105e | 2380 | }; |
28f56694 | 2381 | uint32_t replen; |
029d105e | 2382 | |
9f06c719 CL |
2383 | encode_compound_hdr(xdr, req, &hdr); |
2384 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2385 | encode_putfh(xdr, args->fh, &hdr); | |
bf118a34 | 2386 | replen = hdr.replen + op_decode_hdr_maxsz + 1; |
9f06c719 | 2387 | encode_getattr_two(xdr, FATTR4_WORD0_ACL, 0, &hdr); |
cf8cdbe5 | 2388 | |
28f56694 | 2389 | xdr_inline_pages(&req->rq_rcv_buf, replen << 2, |
029d105e | 2390 | args->acl_pages, args->acl_pgbase, args->acl_len); |
bf118a34 | 2391 | |
d017931c | 2392 | encode_nops(&hdr); |
029d105e BF |
2393 | } |
2394 | ||
1da177e4 LT |
2395 | /* |
2396 | * Encode a WRITE request | |
2397 | */ | |
9f06c719 CL |
2398 | static void nfs4_xdr_enc_write(struct rpc_rqst *req, struct xdr_stream *xdr, |
2399 | struct nfs_writeargs *args) | |
1da177e4 | 2400 | { |
1da177e4 | 2401 | struct compound_hdr hdr = { |
66cc0429 | 2402 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2403 | }; |
1da177e4 | 2404 | |
9f06c719 CL |
2405 | encode_compound_hdr(xdr, req, &hdr); |
2406 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2407 | encode_putfh(xdr, args->fh, &hdr); | |
2408 | encode_write(xdr, args, &hdr); | |
4f22ccc3 | 2409 | req->rq_snd_buf.flags |= XDRBUF_WRITE; |
7ffd1064 FI |
2410 | if (args->bitmask) |
2411 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2412 | encode_nops(&hdr); |
1da177e4 LT |
2413 | } |
2414 | ||
2415 | /* | |
2416 | * a COMMIT request | |
2417 | */ | |
9f06c719 | 2418 | static void nfs4_xdr_enc_commit(struct rpc_rqst *req, struct xdr_stream *xdr, |
0b7c0153 | 2419 | struct nfs_commitargs *args) |
1da177e4 | 2420 | { |
1da177e4 | 2421 | struct compound_hdr hdr = { |
66cc0429 | 2422 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2423 | }; |
1da177e4 | 2424 | |
9f06c719 CL |
2425 | encode_compound_hdr(xdr, req, &hdr); |
2426 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2427 | encode_putfh(xdr, args->fh, &hdr); | |
2428 | encode_commit(xdr, args, &hdr); | |
d017931c | 2429 | encode_nops(&hdr); |
1da177e4 LT |
2430 | } |
2431 | ||
2432 | /* | |
2433 | * FSINFO request | |
2434 | */ | |
9f06c719 CL |
2435 | static void nfs4_xdr_enc_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, |
2436 | struct nfs4_fsinfo_arg *args) | |
1da177e4 | 2437 | { |
1da177e4 | 2438 | struct compound_hdr hdr = { |
66cc0429 | 2439 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2440 | }; |
1da177e4 | 2441 | |
9f06c719 CL |
2442 | encode_compound_hdr(xdr, req, &hdr); |
2443 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2444 | encode_putfh(xdr, args->fh, &hdr); | |
2445 | encode_fsinfo(xdr, args->bitmask, &hdr); | |
d017931c | 2446 | encode_nops(&hdr); |
1da177e4 LT |
2447 | } |
2448 | ||
2449 | /* | |
2450 | * a PATHCONF request | |
2451 | */ | |
9f06c719 CL |
2452 | static void nfs4_xdr_enc_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, |
2453 | const struct nfs4_pathconf_arg *args) | |
1da177e4 | 2454 | { |
1da177e4 | 2455 | struct compound_hdr hdr = { |
66cc0429 | 2456 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2457 | }; |
1da177e4 | 2458 | |
9f06c719 CL |
2459 | encode_compound_hdr(xdr, req, &hdr); |
2460 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2461 | encode_putfh(xdr, args->fh, &hdr); | |
2462 | encode_getattr_one(xdr, args->bitmask[0] & nfs4_pathconf_bitmap[0], | |
cf8cdbe5 | 2463 | &hdr); |
d017931c | 2464 | encode_nops(&hdr); |
1da177e4 LT |
2465 | } |
2466 | ||
2467 | /* | |
2468 | * a STATFS request | |
2469 | */ | |
9f06c719 CL |
2470 | static void nfs4_xdr_enc_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, |
2471 | const struct nfs4_statfs_arg *args) | |
1da177e4 | 2472 | { |
1da177e4 | 2473 | struct compound_hdr hdr = { |
66cc0429 | 2474 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2475 | }; |
1da177e4 | 2476 | |
9f06c719 CL |
2477 | encode_compound_hdr(xdr, req, &hdr); |
2478 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2479 | encode_putfh(xdr, args->fh, &hdr); | |
2480 | encode_getattr_two(xdr, args->bitmask[0] & nfs4_statfs_bitmap[0], | |
cf8cdbe5 | 2481 | args->bitmask[1] & nfs4_statfs_bitmap[1], &hdr); |
d017931c | 2482 | encode_nops(&hdr); |
1da177e4 LT |
2483 | } |
2484 | ||
2485 | /* | |
2486 | * GETATTR_BITMAP request | |
2487 | */ | |
9f06c719 CL |
2488 | static void nfs4_xdr_enc_server_caps(struct rpc_rqst *req, |
2489 | struct xdr_stream *xdr, | |
2490 | struct nfs4_server_caps_arg *args) | |
1da177e4 | 2491 | { |
1da177e4 | 2492 | struct compound_hdr hdr = { |
66cc0429 | 2493 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2494 | }; |
1da177e4 | 2495 | |
9f06c719 CL |
2496 | encode_compound_hdr(xdr, req, &hdr); |
2497 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2498 | encode_putfh(xdr, args->fhandle, &hdr); | |
2499 | encode_getattr_one(xdr, FATTR4_WORD0_SUPPORTED_ATTRS| | |
264e6351 | 2500 | FATTR4_WORD0_FH_EXPIRE_TYPE| |
cf8cdbe5 AA |
2501 | FATTR4_WORD0_LINK_SUPPORT| |
2502 | FATTR4_WORD0_SYMLINK_SUPPORT| | |
2503 | FATTR4_WORD0_ACLSUPPORT, &hdr); | |
d017931c | 2504 | encode_nops(&hdr); |
1da177e4 LT |
2505 | } |
2506 | ||
2507 | /* | |
2508 | * a RENEW request | |
2509 | */ | |
9f06c719 CL |
2510 | static void nfs4_xdr_enc_renew(struct rpc_rqst *req, struct xdr_stream *xdr, |
2511 | struct nfs_client *clp) | |
1da177e4 | 2512 | { |
1da177e4 | 2513 | struct compound_hdr hdr = { |
d017931c | 2514 | .nops = 0, |
1da177e4 LT |
2515 | }; |
2516 | ||
9f06c719 | 2517 | encode_compound_hdr(xdr, req, &hdr); |
bb4dae5e | 2518 | encode_renew(xdr, clp->cl_clientid, &hdr); |
d017931c | 2519 | encode_nops(&hdr); |
1da177e4 LT |
2520 | } |
2521 | ||
2522 | /* | |
2523 | * a SETCLIENTID request | |
2524 | */ | |
9f06c719 CL |
2525 | static void nfs4_xdr_enc_setclientid(struct rpc_rqst *req, |
2526 | struct xdr_stream *xdr, | |
2527 | struct nfs4_setclientid *sc) | |
1da177e4 | 2528 | { |
1da177e4 | 2529 | struct compound_hdr hdr = { |
d017931c | 2530 | .nops = 0, |
1da177e4 LT |
2531 | }; |
2532 | ||
9f06c719 CL |
2533 | encode_compound_hdr(xdr, req, &hdr); |
2534 | encode_setclientid(xdr, sc, &hdr); | |
d017931c | 2535 | encode_nops(&hdr); |
1da177e4 LT |
2536 | } |
2537 | ||
2538 | /* | |
2539 | * a SETCLIENTID_CONFIRM request | |
2540 | */ | |
9f06c719 CL |
2541 | static void nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, |
2542 | struct xdr_stream *xdr, | |
2543 | struct nfs4_setclientid_res *arg) | |
1da177e4 | 2544 | { |
1da177e4 | 2545 | struct compound_hdr hdr = { |
d017931c | 2546 | .nops = 0, |
1da177e4 | 2547 | }; |
dae100c2 | 2548 | const u32 lease_bitmap[3] = { FATTR4_WORD0_LEASE_TIME }; |
1da177e4 | 2549 | |
9f06c719 CL |
2550 | encode_compound_hdr(xdr, req, &hdr); |
2551 | encode_setclientid_confirm(xdr, arg, &hdr); | |
2552 | encode_putrootfh(xdr, &hdr); | |
2553 | encode_fsinfo(xdr, lease_bitmap, &hdr); | |
d017931c | 2554 | encode_nops(&hdr); |
1da177e4 LT |
2555 | } |
2556 | ||
2557 | /* | |
2558 | * DELEGRETURN request | |
2559 | */ | |
9f06c719 CL |
2560 | static void nfs4_xdr_enc_delegreturn(struct rpc_rqst *req, |
2561 | struct xdr_stream *xdr, | |
2562 | const struct nfs4_delegreturnargs *args) | |
1da177e4 | 2563 | { |
1da177e4 | 2564 | struct compound_hdr hdr = { |
66cc0429 | 2565 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2566 | }; |
1da177e4 | 2567 | |
9f06c719 CL |
2568 | encode_compound_hdr(xdr, req, &hdr); |
2569 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2570 | encode_putfh(xdr, args->fhandle, &hdr); | |
9f06c719 | 2571 | encode_getfattr(xdr, args->bitmask, &hdr); |
e144cbcc | 2572 | encode_delegreturn(xdr, args->stateid, &hdr); |
d017931c | 2573 | encode_nops(&hdr); |
1da177e4 LT |
2574 | } |
2575 | ||
683b57b4 TM |
2576 | /* |
2577 | * Encode FS_LOCATIONS request | |
2578 | */ | |
9f06c719 CL |
2579 | static void nfs4_xdr_enc_fs_locations(struct rpc_rqst *req, |
2580 | struct xdr_stream *xdr, | |
2581 | struct nfs4_fs_locations_arg *args) | |
683b57b4 | 2582 | { |
683b57b4 | 2583 | struct compound_hdr hdr = { |
66cc0429 | 2584 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
683b57b4 | 2585 | }; |
28f56694 | 2586 | uint32_t replen; |
683b57b4 | 2587 | |
9f06c719 CL |
2588 | encode_compound_hdr(xdr, req, &hdr); |
2589 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2590 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2591 | encode_lookup(xdr, args->name, &hdr); | |
28f56694 | 2592 | replen = hdr.replen; /* get the attribute into args->page */ |
9f06c719 | 2593 | encode_fs_locations(xdr, args->bitmask, &hdr); |
cf8cdbe5 | 2594 | |
28f56694 | 2595 | xdr_inline_pages(&req->rq_rcv_buf, replen << 2, &args->page, |
683b57b4 | 2596 | 0, PAGE_SIZE); |
d017931c | 2597 | encode_nops(&hdr); |
683b57b4 TM |
2598 | } |
2599 | ||
5a5ea0d4 BS |
2600 | /* |
2601 | * Encode SECINFO request | |
2602 | */ | |
2603 | static void nfs4_xdr_enc_secinfo(struct rpc_rqst *req, | |
2604 | struct xdr_stream *xdr, | |
2605 | struct nfs4_secinfo_arg *args) | |
2606 | { | |
2607 | struct compound_hdr hdr = { | |
2608 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2609 | }; | |
2610 | ||
2611 | encode_compound_hdr(xdr, req, &hdr); | |
2612 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2613 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2614 | encode_secinfo(xdr, args->name, &hdr); | |
2615 | encode_nops(&hdr); | |
2616 | } | |
2617 | ||
99fe60d0 BH |
2618 | #if defined(CONFIG_NFS_V4_1) |
2619 | /* | |
2620 | * EXCHANGE_ID request | |
2621 | */ | |
9f06c719 CL |
2622 | static void nfs4_xdr_enc_exchange_id(struct rpc_rqst *req, |
2623 | struct xdr_stream *xdr, | |
2624 | struct nfs41_exchange_id_args *args) | |
99fe60d0 | 2625 | { |
99fe60d0 | 2626 | struct compound_hdr hdr = { |
a4432345 | 2627 | .minorversion = args->client->cl_mvops->minor_version, |
99fe60d0 BH |
2628 | }; |
2629 | ||
9f06c719 CL |
2630 | encode_compound_hdr(xdr, req, &hdr); |
2631 | encode_exchange_id(xdr, args, &hdr); | |
99fe60d0 | 2632 | encode_nops(&hdr); |
99fe60d0 | 2633 | } |
2050f0cc | 2634 | |
fc931582 AA |
2635 | /* |
2636 | * a CREATE_SESSION request | |
2637 | */ | |
9f06c719 CL |
2638 | static void nfs4_xdr_enc_create_session(struct rpc_rqst *req, |
2639 | struct xdr_stream *xdr, | |
2640 | struct nfs41_create_session_args *args) | |
fc931582 | 2641 | { |
fc931582 | 2642 | struct compound_hdr hdr = { |
a4432345 | 2643 | .minorversion = args->client->cl_mvops->minor_version, |
fc931582 AA |
2644 | }; |
2645 | ||
9f06c719 CL |
2646 | encode_compound_hdr(xdr, req, &hdr); |
2647 | encode_create_session(xdr, args, &hdr); | |
fc931582 | 2648 | encode_nops(&hdr); |
fc931582 AA |
2649 | } |
2650 | ||
0f3e66c6 AA |
2651 | /* |
2652 | * a DESTROY_SESSION request | |
2653 | */ | |
9f06c719 CL |
2654 | static void nfs4_xdr_enc_destroy_session(struct rpc_rqst *req, |
2655 | struct xdr_stream *xdr, | |
2656 | struct nfs4_session *session) | |
0f3e66c6 | 2657 | { |
0f3e66c6 | 2658 | struct compound_hdr hdr = { |
a4432345 | 2659 | .minorversion = session->clp->cl_mvops->minor_version, |
0f3e66c6 AA |
2660 | }; |
2661 | ||
9f06c719 CL |
2662 | encode_compound_hdr(xdr, req, &hdr); |
2663 | encode_destroy_session(xdr, session, &hdr); | |
0f3e66c6 | 2664 | encode_nops(&hdr); |
0f3e66c6 AA |
2665 | } |
2666 | ||
fc01cea9 AA |
2667 | /* |
2668 | * a SEQUENCE request | |
2669 | */ | |
9f06c719 CL |
2670 | static void nfs4_xdr_enc_sequence(struct rpc_rqst *req, struct xdr_stream *xdr, |
2671 | struct nfs4_sequence_args *args) | |
fc01cea9 | 2672 | { |
fc01cea9 AA |
2673 | struct compound_hdr hdr = { |
2674 | .minorversion = nfs4_xdr_minorversion(args), | |
2675 | }; | |
2676 | ||
9f06c719 CL |
2677 | encode_compound_hdr(xdr, req, &hdr); |
2678 | encode_sequence(xdr, args, &hdr); | |
fc01cea9 | 2679 | encode_nops(&hdr); |
fc01cea9 AA |
2680 | } |
2681 | ||
2050f0cc AA |
2682 | /* |
2683 | * a GET_LEASE_TIME request | |
2684 | */ | |
9f06c719 CL |
2685 | static void nfs4_xdr_enc_get_lease_time(struct rpc_rqst *req, |
2686 | struct xdr_stream *xdr, | |
2687 | struct nfs4_get_lease_time_args *args) | |
2050f0cc | 2688 | { |
2050f0cc AA |
2689 | struct compound_hdr hdr = { |
2690 | .minorversion = nfs4_xdr_minorversion(&args->la_seq_args), | |
2691 | }; | |
dae100c2 | 2692 | const u32 lease_bitmap[3] = { FATTR4_WORD0_LEASE_TIME }; |
2050f0cc | 2693 | |
9f06c719 CL |
2694 | encode_compound_hdr(xdr, req, &hdr); |
2695 | encode_sequence(xdr, &args->la_seq_args, &hdr); | |
2696 | encode_putrootfh(xdr, &hdr); | |
2697 | encode_fsinfo(xdr, lease_bitmap, &hdr); | |
2050f0cc | 2698 | encode_nops(&hdr); |
2050f0cc | 2699 | } |
18019753 RL |
2700 | |
2701 | /* | |
2702 | * a RECLAIM_COMPLETE request | |
2703 | */ | |
9f06c719 CL |
2704 | static void nfs4_xdr_enc_reclaim_complete(struct rpc_rqst *req, |
2705 | struct xdr_stream *xdr, | |
2706 | struct nfs41_reclaim_complete_args *args) | |
18019753 | 2707 | { |
18019753 RL |
2708 | struct compound_hdr hdr = { |
2709 | .minorversion = nfs4_xdr_minorversion(&args->seq_args) | |
2710 | }; | |
2711 | ||
9f06c719 CL |
2712 | encode_compound_hdr(xdr, req, &hdr); |
2713 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2714 | encode_reclaim_complete(xdr, args, &hdr); | |
18019753 | 2715 | encode_nops(&hdr); |
18019753 RL |
2716 | } |
2717 | ||
7f11d8d3 AA |
2718 | /* |
2719 | * Encode GETDEVICELIST request | |
2720 | */ | |
2721 | static void nfs4_xdr_enc_getdevicelist(struct rpc_rqst *req, | |
2722 | struct xdr_stream *xdr, | |
2723 | struct nfs4_getdevicelist_args *args) | |
2724 | { | |
2725 | struct compound_hdr hdr = { | |
2726 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2727 | }; | |
2728 | ||
2729 | encode_compound_hdr(xdr, req, &hdr); | |
2730 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2731 | encode_putfh(xdr, args->fh, &hdr); | |
2732 | encode_getdevicelist(xdr, args, &hdr); | |
2733 | encode_nops(&hdr); | |
2734 | } | |
2735 | ||
b1f69b75 AA |
2736 | /* |
2737 | * Encode GETDEVICEINFO request | |
2738 | */ | |
9f06c719 CL |
2739 | static void nfs4_xdr_enc_getdeviceinfo(struct rpc_rqst *req, |
2740 | struct xdr_stream *xdr, | |
2741 | struct nfs4_getdeviceinfo_args *args) | |
b1f69b75 | 2742 | { |
b1f69b75 AA |
2743 | struct compound_hdr hdr = { |
2744 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2745 | }; | |
2746 | ||
9f06c719 CL |
2747 | encode_compound_hdr(xdr, req, &hdr); |
2748 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2749 | encode_getdeviceinfo(xdr, args, &hdr); | |
b1f69b75 AA |
2750 | |
2751 | /* set up reply kvec. Subtract notification bitmap max size (2) | |
2752 | * so that notification bitmap is put in xdr_buf tail */ | |
2753 | xdr_inline_pages(&req->rq_rcv_buf, (hdr.replen - 2) << 2, | |
2754 | args->pdev->pages, args->pdev->pgbase, | |
2755 | args->pdev->pglen); | |
2756 | ||
2757 | encode_nops(&hdr); | |
b1f69b75 AA |
2758 | } |
2759 | ||
2760 | /* | |
2761 | * Encode LAYOUTGET request | |
2762 | */ | |
9f06c719 CL |
2763 | static void nfs4_xdr_enc_layoutget(struct rpc_rqst *req, |
2764 | struct xdr_stream *xdr, | |
2765 | struct nfs4_layoutget_args *args) | |
b1f69b75 | 2766 | { |
b1f69b75 AA |
2767 | struct compound_hdr hdr = { |
2768 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2769 | }; | |
2770 | ||
9f06c719 CL |
2771 | encode_compound_hdr(xdr, req, &hdr); |
2772 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2773 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
2774 | encode_layoutget(xdr, args, &hdr); | |
35124a09 WAA |
2775 | |
2776 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, | |
2777 | args->layout.pages, 0, args->layout.pglen); | |
2778 | ||
b1f69b75 | 2779 | encode_nops(&hdr); |
b1f69b75 | 2780 | } |
863a3c6c AA |
2781 | |
2782 | /* | |
2783 | * Encode LAYOUTCOMMIT request | |
2784 | */ | |
cbe82603 BH |
2785 | static void nfs4_xdr_enc_layoutcommit(struct rpc_rqst *req, |
2786 | struct xdr_stream *xdr, | |
2787 | struct nfs4_layoutcommit_args *args) | |
863a3c6c | 2788 | { |
ac7db726 BH |
2789 | struct nfs4_layoutcommit_data *data = |
2790 | container_of(args, struct nfs4_layoutcommit_data, args); | |
863a3c6c AA |
2791 | struct compound_hdr hdr = { |
2792 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2793 | }; | |
2794 | ||
2795 | encode_compound_hdr(xdr, req, &hdr); | |
2796 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2797 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
ac7db726 | 2798 | encode_layoutcommit(xdr, data->args.inode, args, &hdr); |
863a3c6c | 2799 | encode_getfattr(xdr, args->bitmask, &hdr); |
b1f69b75 | 2800 | encode_nops(&hdr); |
cbe82603 BH |
2801 | } |
2802 | ||
2803 | /* | |
2804 | * Encode LAYOUTRETURN request | |
2805 | */ | |
2806 | static void nfs4_xdr_enc_layoutreturn(struct rpc_rqst *req, | |
2807 | struct xdr_stream *xdr, | |
2808 | struct nfs4_layoutreturn_args *args) | |
2809 | { | |
2810 | struct compound_hdr hdr = { | |
2811 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2812 | }; | |
2813 | ||
2814 | encode_compound_hdr(xdr, req, &hdr); | |
2815 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2816 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
2817 | encode_layoutreturn(xdr, args, &hdr); | |
2818 | encode_nops(&hdr); | |
b1f69b75 | 2819 | } |
fca78d6d BS |
2820 | |
2821 | /* | |
2822 | * Encode SECINFO_NO_NAME request | |
2823 | */ | |
2824 | static int nfs4_xdr_enc_secinfo_no_name(struct rpc_rqst *req, | |
2825 | struct xdr_stream *xdr, | |
2826 | struct nfs41_secinfo_no_name_args *args) | |
2827 | { | |
2828 | struct compound_hdr hdr = { | |
2829 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2830 | }; | |
2831 | ||
2832 | encode_compound_hdr(xdr, req, &hdr); | |
2833 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2834 | encode_putrootfh(xdr, &hdr); | |
2835 | encode_secinfo_no_name(xdr, args, &hdr); | |
2836 | encode_nops(&hdr); | |
2837 | return 0; | |
2838 | } | |
7d974794 BS |
2839 | |
2840 | /* | |
2841 | * Encode TEST_STATEID request | |
2842 | */ | |
2843 | static void nfs4_xdr_enc_test_stateid(struct rpc_rqst *req, | |
2844 | struct xdr_stream *xdr, | |
2845 | struct nfs41_test_stateid_args *args) | |
2846 | { | |
2847 | struct compound_hdr hdr = { | |
2848 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2849 | }; | |
2850 | ||
2851 | encode_compound_hdr(xdr, req, &hdr); | |
2852 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2853 | encode_test_stateid(xdr, args, &hdr); | |
2854 | encode_nops(&hdr); | |
2855 | } | |
9aeda35f BS |
2856 | |
2857 | /* | |
2858 | * Encode FREE_STATEID request | |
2859 | */ | |
2860 | static void nfs4_xdr_enc_free_stateid(struct rpc_rqst *req, | |
2861 | struct xdr_stream *xdr, | |
2862 | struct nfs41_free_stateid_args *args) | |
2863 | { | |
2864 | struct compound_hdr hdr = { | |
2865 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2866 | }; | |
2867 | ||
2868 | encode_compound_hdr(xdr, req, &hdr); | |
2869 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2870 | encode_free_stateid(xdr, args, &hdr); | |
2871 | encode_nops(&hdr); | |
2872 | } | |
99fe60d0 BH |
2873 | #endif /* CONFIG_NFS_V4_1 */ |
2874 | ||
686841b3 BH |
2875 | static void print_overflow_msg(const char *func, const struct xdr_stream *xdr) |
2876 | { | |
2877 | dprintk("nfs: %s: prematurely hit end of receive buffer. " | |
2878 | "Remaining buffer length is %tu words.\n", | |
2879 | func, xdr->end - xdr->p); | |
2880 | } | |
1da177e4 | 2881 | |
683b57b4 | 2882 | static int decode_opaque_inline(struct xdr_stream *xdr, unsigned int *len, char **string) |
1da177e4 | 2883 | { |
8687b63a | 2884 | __be32 *p; |
1da177e4 | 2885 | |
c0eae66e BH |
2886 | p = xdr_inline_decode(xdr, 4); |
2887 | if (unlikely(!p)) | |
2888 | goto out_overflow; | |
cccddf4f | 2889 | *len = be32_to_cpup(p); |
c0eae66e BH |
2890 | p = xdr_inline_decode(xdr, *len); |
2891 | if (unlikely(!p)) | |
2892 | goto out_overflow; | |
1da177e4 LT |
2893 | *string = (char *)p; |
2894 | return 0; | |
c0eae66e BH |
2895 | out_overflow: |
2896 | print_overflow_msg(__func__, xdr); | |
2897 | return -EIO; | |
1da177e4 LT |
2898 | } |
2899 | ||
2900 | static int decode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr) | |
2901 | { | |
8687b63a | 2902 | __be32 *p; |
1da177e4 | 2903 | |
c0eae66e BH |
2904 | p = xdr_inline_decode(xdr, 8); |
2905 | if (unlikely(!p)) | |
2906 | goto out_overflow; | |
6f723f77 | 2907 | hdr->status = be32_to_cpup(p++); |
cccddf4f | 2908 | hdr->taglen = be32_to_cpup(p); |
6c0195a4 | 2909 | |
c0eae66e BH |
2910 | p = xdr_inline_decode(xdr, hdr->taglen + 4); |
2911 | if (unlikely(!p)) | |
2912 | goto out_overflow; | |
1da177e4 LT |
2913 | hdr->tag = (char *)p; |
2914 | p += XDR_QUADLEN(hdr->taglen); | |
cccddf4f | 2915 | hdr->nops = be32_to_cpup(p); |
aadf6152 BH |
2916 | if (unlikely(hdr->nops < 1)) |
2917 | return nfs4_stat_to_errno(hdr->status); | |
1da177e4 | 2918 | return 0; |
c0eae66e BH |
2919 | out_overflow: |
2920 | print_overflow_msg(__func__, xdr); | |
2921 | return -EIO; | |
1da177e4 LT |
2922 | } |
2923 | ||
2924 | static int decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected) | |
2925 | { | |
8687b63a | 2926 | __be32 *p; |
1da177e4 LT |
2927 | uint32_t opnum; |
2928 | int32_t nfserr; | |
2929 | ||
c0eae66e BH |
2930 | p = xdr_inline_decode(xdr, 8); |
2931 | if (unlikely(!p)) | |
2932 | goto out_overflow; | |
6f723f77 | 2933 | opnum = be32_to_cpup(p++); |
1da177e4 | 2934 | if (opnum != expected) { |
fe82a183 CL |
2935 | dprintk("nfs: Server returned operation" |
2936 | " %d but we issued a request for %d\n", | |
1da177e4 LT |
2937 | opnum, expected); |
2938 | return -EIO; | |
2939 | } | |
cccddf4f | 2940 | nfserr = be32_to_cpup(p); |
1da177e4 | 2941 | if (nfserr != NFS_OK) |
856dff3d | 2942 | return nfs4_stat_to_errno(nfserr); |
1da177e4 | 2943 | return 0; |
c0eae66e BH |
2944 | out_overflow: |
2945 | print_overflow_msg(__func__, xdr); | |
2946 | return -EIO; | |
1da177e4 LT |
2947 | } |
2948 | ||
2949 | /* Dummy routine */ | |
adfa6f98 | 2950 | static int decode_ace(struct xdr_stream *xdr, void *ace, struct nfs_client *clp) |
1da177e4 | 2951 | { |
8687b63a | 2952 | __be32 *p; |
683b57b4 | 2953 | unsigned int strlen; |
1da177e4 LT |
2954 | char *str; |
2955 | ||
c0eae66e BH |
2956 | p = xdr_inline_decode(xdr, 12); |
2957 | if (likely(p)) | |
2958 | return decode_opaque_inline(xdr, &strlen, &str); | |
2959 | print_overflow_msg(__func__, xdr); | |
2960 | return -EIO; | |
1da177e4 LT |
2961 | } |
2962 | ||
2963 | static int decode_attr_bitmap(struct xdr_stream *xdr, uint32_t *bitmap) | |
2964 | { | |
8687b63a AV |
2965 | uint32_t bmlen; |
2966 | __be32 *p; | |
1da177e4 | 2967 | |
c0eae66e BH |
2968 | p = xdr_inline_decode(xdr, 4); |
2969 | if (unlikely(!p)) | |
2970 | goto out_overflow; | |
cccddf4f | 2971 | bmlen = be32_to_cpup(p); |
1da177e4 | 2972 | |
dae100c2 | 2973 | bitmap[0] = bitmap[1] = bitmap[2] = 0; |
c0eae66e BH |
2974 | p = xdr_inline_decode(xdr, (bmlen << 2)); |
2975 | if (unlikely(!p)) | |
2976 | goto out_overflow; | |
1da177e4 | 2977 | if (bmlen > 0) { |
6f723f77 | 2978 | bitmap[0] = be32_to_cpup(p++); |
dae100c2 FI |
2979 | if (bmlen > 1) { |
2980 | bitmap[1] = be32_to_cpup(p++); | |
2981 | if (bmlen > 2) | |
2982 | bitmap[2] = be32_to_cpup(p); | |
2983 | } | |
1da177e4 LT |
2984 | } |
2985 | return 0; | |
c0eae66e BH |
2986 | out_overflow: |
2987 | print_overflow_msg(__func__, xdr); | |
2988 | return -EIO; | |
1da177e4 LT |
2989 | } |
2990 | ||
8687b63a | 2991 | static inline int decode_attr_length(struct xdr_stream *xdr, uint32_t *attrlen, __be32 **savep) |
1da177e4 | 2992 | { |
8687b63a | 2993 | __be32 *p; |
1da177e4 | 2994 | |
c0eae66e BH |
2995 | p = xdr_inline_decode(xdr, 4); |
2996 | if (unlikely(!p)) | |
2997 | goto out_overflow; | |
cccddf4f | 2998 | *attrlen = be32_to_cpup(p); |
1da177e4 LT |
2999 | *savep = xdr->p; |
3000 | return 0; | |
c0eae66e BH |
3001 | out_overflow: |
3002 | print_overflow_msg(__func__, xdr); | |
3003 | return -EIO; | |
1da177e4 LT |
3004 | } |
3005 | ||
3006 | static int decode_attr_supported(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *bitmask) | |
3007 | { | |
3008 | if (likely(bitmap[0] & FATTR4_WORD0_SUPPORTED_ATTRS)) { | |
3388bff5 RB |
3009 | int ret; |
3010 | ret = decode_attr_bitmap(xdr, bitmask); | |
3011 | if (unlikely(ret < 0)) | |
3012 | return ret; | |
1da177e4 LT |
3013 | bitmap[0] &= ~FATTR4_WORD0_SUPPORTED_ATTRS; |
3014 | } else | |
dae100c2 FI |
3015 | bitmask[0] = bitmask[1] = bitmask[2] = 0; |
3016 | dprintk("%s: bitmask=%08x:%08x:%08x\n", __func__, | |
3017 | bitmask[0], bitmask[1], bitmask[2]); | |
1da177e4 LT |
3018 | return 0; |
3019 | } | |
3020 | ||
3021 | static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *type) | |
3022 | { | |
8687b63a | 3023 | __be32 *p; |
409924e4 | 3024 | int ret = 0; |
1da177e4 LT |
3025 | |
3026 | *type = 0; | |
3027 | if (unlikely(bitmap[0] & (FATTR4_WORD0_TYPE - 1U))) | |
3028 | return -EIO; | |
3029 | if (likely(bitmap[0] & FATTR4_WORD0_TYPE)) { | |
c0eae66e BH |
3030 | p = xdr_inline_decode(xdr, 4); |
3031 | if (unlikely(!p)) | |
3032 | goto out_overflow; | |
cccddf4f | 3033 | *type = be32_to_cpup(p); |
1da177e4 | 3034 | if (*type < NF4REG || *type > NF4NAMEDATTR) { |
3110ff80 | 3035 | dprintk("%s: bad type %d\n", __func__, *type); |
1da177e4 LT |
3036 | return -EIO; |
3037 | } | |
3038 | bitmap[0] &= ~FATTR4_WORD0_TYPE; | |
409924e4 | 3039 | ret = NFS_ATTR_FATTR_TYPE; |
1da177e4 | 3040 | } |
bca79478 | 3041 | dprintk("%s: type=0%o\n", __func__, nfs_type2fmt[*type]); |
409924e4 | 3042 | return ret; |
c0eae66e BH |
3043 | out_overflow: |
3044 | print_overflow_msg(__func__, xdr); | |
3045 | return -EIO; | |
1da177e4 LT |
3046 | } |
3047 | ||
264e6351 CL |
3048 | static int decode_attr_fh_expire_type(struct xdr_stream *xdr, |
3049 | uint32_t *bitmap, uint32_t *type) | |
3050 | { | |
3051 | __be32 *p; | |
3052 | ||
3053 | *type = 0; | |
3054 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FH_EXPIRE_TYPE - 1U))) | |
3055 | return -EIO; | |
3056 | if (likely(bitmap[0] & FATTR4_WORD0_FH_EXPIRE_TYPE)) { | |
3057 | p = xdr_inline_decode(xdr, 4); | |
3058 | if (unlikely(!p)) | |
3059 | goto out_overflow; | |
3060 | *type = be32_to_cpup(p); | |
3061 | bitmap[0] &= ~FATTR4_WORD0_FH_EXPIRE_TYPE; | |
3062 | } | |
3063 | dprintk("%s: expire type=0x%x\n", __func__, *type); | |
3064 | return 0; | |
3065 | out_overflow: | |
3066 | print_overflow_msg(__func__, xdr); | |
3067 | return -EIO; | |
3068 | } | |
3069 | ||
1da177e4 LT |
3070 | static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *change) |
3071 | { | |
8687b63a | 3072 | __be32 *p; |
409924e4 | 3073 | int ret = 0; |
1da177e4 LT |
3074 | |
3075 | *change = 0; | |
3076 | if (unlikely(bitmap[0] & (FATTR4_WORD0_CHANGE - 1U))) | |
3077 | return -EIO; | |
3078 | if (likely(bitmap[0] & FATTR4_WORD0_CHANGE)) { | |
c0eae66e BH |
3079 | p = xdr_inline_decode(xdr, 8); |
3080 | if (unlikely(!p)) | |
3081 | goto out_overflow; | |
cccddf4f | 3082 | xdr_decode_hyper(p, change); |
1da177e4 | 3083 | bitmap[0] &= ~FATTR4_WORD0_CHANGE; |
409924e4 | 3084 | ret = NFS_ATTR_FATTR_CHANGE; |
1da177e4 | 3085 | } |
3110ff80 | 3086 | dprintk("%s: change attribute=%Lu\n", __func__, |
1da177e4 | 3087 | (unsigned long long)*change); |
409924e4 | 3088 | return ret; |
c0eae66e BH |
3089 | out_overflow: |
3090 | print_overflow_msg(__func__, xdr); | |
3091 | return -EIO; | |
1da177e4 LT |
3092 | } |
3093 | ||
3094 | static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *size) | |
3095 | { | |
8687b63a | 3096 | __be32 *p; |
409924e4 | 3097 | int ret = 0; |
1da177e4 LT |
3098 | |
3099 | *size = 0; | |
3100 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SIZE - 1U))) | |
3101 | return -EIO; | |
3102 | if (likely(bitmap[0] & FATTR4_WORD0_SIZE)) { | |
c0eae66e BH |
3103 | p = xdr_inline_decode(xdr, 8); |
3104 | if (unlikely(!p)) | |
3105 | goto out_overflow; | |
cccddf4f | 3106 | xdr_decode_hyper(p, size); |
1da177e4 | 3107 | bitmap[0] &= ~FATTR4_WORD0_SIZE; |
409924e4 | 3108 | ret = NFS_ATTR_FATTR_SIZE; |
1da177e4 | 3109 | } |
3110ff80 | 3110 | dprintk("%s: file size=%Lu\n", __func__, (unsigned long long)*size); |
409924e4 | 3111 | return ret; |
c0eae66e BH |
3112 | out_overflow: |
3113 | print_overflow_msg(__func__, xdr); | |
3114 | return -EIO; | |
1da177e4 LT |
3115 | } |
3116 | ||
3117 | static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3118 | { | |
8687b63a | 3119 | __be32 *p; |
1da177e4 LT |
3120 | |
3121 | *res = 0; | |
3122 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LINK_SUPPORT - 1U))) | |
3123 | return -EIO; | |
3124 | if (likely(bitmap[0] & FATTR4_WORD0_LINK_SUPPORT)) { | |
c0eae66e BH |
3125 | p = xdr_inline_decode(xdr, 4); |
3126 | if (unlikely(!p)) | |
3127 | goto out_overflow; | |
cccddf4f | 3128 | *res = be32_to_cpup(p); |
1da177e4 LT |
3129 | bitmap[0] &= ~FATTR4_WORD0_LINK_SUPPORT; |
3130 | } | |
3110ff80 | 3131 | dprintk("%s: link support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 | 3132 | return 0; |
c0eae66e BH |
3133 | out_overflow: |
3134 | print_overflow_msg(__func__, xdr); | |
3135 | return -EIO; | |
1da177e4 LT |
3136 | } |
3137 | ||
3138 | static int decode_attr_symlink_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3139 | { | |
8687b63a | 3140 | __be32 *p; |
1da177e4 LT |
3141 | |
3142 | *res = 0; | |
3143 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SYMLINK_SUPPORT - 1U))) | |
3144 | return -EIO; | |
3145 | if (likely(bitmap[0] & FATTR4_WORD0_SYMLINK_SUPPORT)) { | |
c0eae66e BH |
3146 | p = xdr_inline_decode(xdr, 4); |
3147 | if (unlikely(!p)) | |
3148 | goto out_overflow; | |
cccddf4f | 3149 | *res = be32_to_cpup(p); |
1da177e4 LT |
3150 | bitmap[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT; |
3151 | } | |
3110ff80 | 3152 | dprintk("%s: symlink support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 | 3153 | return 0; |
c0eae66e BH |
3154 | out_overflow: |
3155 | print_overflow_msg(__func__, xdr); | |
3156 | return -EIO; | |
1da177e4 LT |
3157 | } |
3158 | ||
8b4bdcf8 | 3159 | static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fsid *fsid) |
1da177e4 | 3160 | { |
8687b63a | 3161 | __be32 *p; |
409924e4 | 3162 | int ret = 0; |
1da177e4 LT |
3163 | |
3164 | fsid->major = 0; | |
3165 | fsid->minor = 0; | |
3166 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FSID - 1U))) | |
3167 | return -EIO; | |
3168 | if (likely(bitmap[0] & FATTR4_WORD0_FSID)) { | |
c0eae66e BH |
3169 | p = xdr_inline_decode(xdr, 16); |
3170 | if (unlikely(!p)) | |
3171 | goto out_overflow; | |
3ceb4dbb | 3172 | p = xdr_decode_hyper(p, &fsid->major); |
cccddf4f | 3173 | xdr_decode_hyper(p, &fsid->minor); |
1da177e4 | 3174 | bitmap[0] &= ~FATTR4_WORD0_FSID; |
409924e4 | 3175 | ret = NFS_ATTR_FATTR_FSID; |
1da177e4 | 3176 | } |
3110ff80 | 3177 | dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __func__, |
1da177e4 LT |
3178 | (unsigned long long)fsid->major, |
3179 | (unsigned long long)fsid->minor); | |
409924e4 | 3180 | return ret; |
c0eae66e BH |
3181 | out_overflow: |
3182 | print_overflow_msg(__func__, xdr); | |
3183 | return -EIO; | |
1da177e4 LT |
3184 | } |
3185 | ||
3186 | static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3187 | { | |
8687b63a | 3188 | __be32 *p; |
1da177e4 LT |
3189 | |
3190 | *res = 60; | |
3191 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LEASE_TIME - 1U))) | |
3192 | return -EIO; | |
3193 | if (likely(bitmap[0] & FATTR4_WORD0_LEASE_TIME)) { | |
c0eae66e BH |
3194 | p = xdr_inline_decode(xdr, 4); |
3195 | if (unlikely(!p)) | |
3196 | goto out_overflow; | |
cccddf4f | 3197 | *res = be32_to_cpup(p); |
1da177e4 LT |
3198 | bitmap[0] &= ~FATTR4_WORD0_LEASE_TIME; |
3199 | } | |
3110ff80 | 3200 | dprintk("%s: file size=%u\n", __func__, (unsigned int)*res); |
1da177e4 | 3201 | return 0; |
c0eae66e BH |
3202 | out_overflow: |
3203 | print_overflow_msg(__func__, xdr); | |
3204 | return -EIO; | |
1da177e4 LT |
3205 | } |
3206 | ||
ee7b75fc | 3207 | static int decode_attr_error(struct xdr_stream *xdr, uint32_t *bitmap, int32_t *res) |
ae42c70a BS |
3208 | { |
3209 | __be32 *p; | |
3210 | ||
3211 | if (unlikely(bitmap[0] & (FATTR4_WORD0_RDATTR_ERROR - 1U))) | |
3212 | return -EIO; | |
3213 | if (likely(bitmap[0] & FATTR4_WORD0_RDATTR_ERROR)) { | |
3214 | p = xdr_inline_decode(xdr, 4); | |
3215 | if (unlikely(!p)) | |
3216 | goto out_overflow; | |
3217 | bitmap[0] &= ~FATTR4_WORD0_RDATTR_ERROR; | |
ee7b75fc | 3218 | *res = -be32_to_cpup(p); |
ae42c70a BS |
3219 | } |
3220 | return 0; | |
3221 | out_overflow: | |
3222 | print_overflow_msg(__func__, xdr); | |
3223 | return -EIO; | |
3224 | } | |
3225 | ||
3226 | static int decode_attr_filehandle(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fh *fh) | |
3227 | { | |
3228 | __be32 *p; | |
3229 | int len; | |
3230 | ||
7ad07353 TM |
3231 | if (fh != NULL) |
3232 | memset(fh, 0, sizeof(*fh)); | |
ae42c70a BS |
3233 | |
3234 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEHANDLE - 1U))) | |
3235 | return -EIO; | |
3236 | if (likely(bitmap[0] & FATTR4_WORD0_FILEHANDLE)) { | |
3237 | p = xdr_inline_decode(xdr, 4); | |
3238 | if (unlikely(!p)) | |
3239 | goto out_overflow; | |
3240 | len = be32_to_cpup(p); | |
3241 | if (len > NFS4_FHSIZE) | |
3242 | return -EIO; | |
ae42c70a BS |
3243 | p = xdr_inline_decode(xdr, len); |
3244 | if (unlikely(!p)) | |
3245 | goto out_overflow; | |
7ad07353 TM |
3246 | if (fh != NULL) { |
3247 | memcpy(fh->data, p, len); | |
3248 | fh->size = len; | |
3249 | } | |
ae42c70a BS |
3250 | bitmap[0] &= ~FATTR4_WORD0_FILEHANDLE; |
3251 | } | |
3252 | return 0; | |
3253 | out_overflow: | |
3254 | print_overflow_msg(__func__, xdr); | |
3255 | return -EIO; | |
3256 | } | |
3257 | ||
1da177e4 LT |
3258 | static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) |
3259 | { | |
8687b63a | 3260 | __be32 *p; |
1da177e4 LT |
3261 | |
3262 | *res = ACL4_SUPPORT_ALLOW_ACL|ACL4_SUPPORT_DENY_ACL; | |
3263 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACLSUPPORT - 1U))) | |
3264 | return -EIO; | |
3265 | if (likely(bitmap[0] & FATTR4_WORD0_ACLSUPPORT)) { | |
c0eae66e BH |
3266 | p = xdr_inline_decode(xdr, 4); |
3267 | if (unlikely(!p)) | |
3268 | goto out_overflow; | |
cccddf4f | 3269 | *res = be32_to_cpup(p); |
1da177e4 LT |
3270 | bitmap[0] &= ~FATTR4_WORD0_ACLSUPPORT; |
3271 | } | |
3110ff80 | 3272 | dprintk("%s: ACLs supported=%u\n", __func__, (unsigned int)*res); |
1da177e4 | 3273 | return 0; |
c0eae66e BH |
3274 | out_overflow: |
3275 | print_overflow_msg(__func__, xdr); | |
3276 | return -EIO; | |
1da177e4 LT |
3277 | } |
3278 | ||
3279 | static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) | |
3280 | { | |
8687b63a | 3281 | __be32 *p; |
409924e4 | 3282 | int ret = 0; |
1da177e4 LT |
3283 | |
3284 | *fileid = 0; | |
3285 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEID - 1U))) | |
3286 | return -EIO; | |
3287 | if (likely(bitmap[0] & FATTR4_WORD0_FILEID)) { | |
c0eae66e BH |
3288 | p = xdr_inline_decode(xdr, 8); |
3289 | if (unlikely(!p)) | |
3290 | goto out_overflow; | |
cccddf4f | 3291 | xdr_decode_hyper(p, fileid); |
1da177e4 | 3292 | bitmap[0] &= ~FATTR4_WORD0_FILEID; |
409924e4 | 3293 | ret = NFS_ATTR_FATTR_FILEID; |
1da177e4 | 3294 | } |
3110ff80 | 3295 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
409924e4 | 3296 | return ret; |
c0eae66e BH |
3297 | out_overflow: |
3298 | print_overflow_msg(__func__, xdr); | |
3299 | return -EIO; | |
1da177e4 LT |
3300 | } |
3301 | ||
99baf625 MN |
3302 | static int decode_attr_mounted_on_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) |
3303 | { | |
8687b63a | 3304 | __be32 *p; |
409924e4 | 3305 | int ret = 0; |
99baf625 MN |
3306 | |
3307 | *fileid = 0; | |
3308 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MOUNTED_ON_FILEID - 1U))) | |
3309 | return -EIO; | |
3310 | if (likely(bitmap[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) { | |
c0eae66e BH |
3311 | p = xdr_inline_decode(xdr, 8); |
3312 | if (unlikely(!p)) | |
3313 | goto out_overflow; | |
cccddf4f | 3314 | xdr_decode_hyper(p, fileid); |
99baf625 | 3315 | bitmap[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID; |
28331a46 | 3316 | ret = NFS_ATTR_FATTR_MOUNTED_ON_FILEID; |
99baf625 | 3317 | } |
3110ff80 | 3318 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
409924e4 | 3319 | return ret; |
c0eae66e BH |
3320 | out_overflow: |
3321 | print_overflow_msg(__func__, xdr); | |
3322 | return -EIO; | |
99baf625 MN |
3323 | } |
3324 | ||
1da177e4 LT |
3325 | static int decode_attr_files_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
3326 | { | |
8687b63a | 3327 | __be32 *p; |
1da177e4 LT |
3328 | int status = 0; |
3329 | ||
3330 | *res = 0; | |
3331 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_AVAIL - 1U))) | |
3332 | return -EIO; | |
3333 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_AVAIL)) { | |
c0eae66e BH |
3334 | p = xdr_inline_decode(xdr, 8); |
3335 | if (unlikely(!p)) | |
3336 | goto out_overflow; | |
cccddf4f | 3337 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3338 | bitmap[0] &= ~FATTR4_WORD0_FILES_AVAIL; |
3339 | } | |
3110ff80 | 3340 | dprintk("%s: files avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3341 | return status; |
c0eae66e BH |
3342 | out_overflow: |
3343 | print_overflow_msg(__func__, xdr); | |
3344 | return -EIO; | |
1da177e4 LT |
3345 | } |
3346 | ||
3347 | static int decode_attr_files_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3348 | { | |
8687b63a | 3349 | __be32 *p; |
1da177e4 LT |
3350 | int status = 0; |
3351 | ||
3352 | *res = 0; | |
3353 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_FREE - 1U))) | |
3354 | return -EIO; | |
3355 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_FREE)) { | |
c0eae66e BH |
3356 | p = xdr_inline_decode(xdr, 8); |
3357 | if (unlikely(!p)) | |
3358 | goto out_overflow; | |
cccddf4f | 3359 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3360 | bitmap[0] &= ~FATTR4_WORD0_FILES_FREE; |
3361 | } | |
3110ff80 | 3362 | dprintk("%s: files free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3363 | return status; |
c0eae66e BH |
3364 | out_overflow: |
3365 | print_overflow_msg(__func__, xdr); | |
3366 | return -EIO; | |
1da177e4 LT |
3367 | } |
3368 | ||
3369 | static int decode_attr_files_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3370 | { | |
8687b63a | 3371 | __be32 *p; |
1da177e4 LT |
3372 | int status = 0; |
3373 | ||
3374 | *res = 0; | |
3375 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_TOTAL - 1U))) | |
3376 | return -EIO; | |
3377 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_TOTAL)) { | |
c0eae66e BH |
3378 | p = xdr_inline_decode(xdr, 8); |
3379 | if (unlikely(!p)) | |
3380 | goto out_overflow; | |
cccddf4f | 3381 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3382 | bitmap[0] &= ~FATTR4_WORD0_FILES_TOTAL; |
3383 | } | |
3110ff80 | 3384 | dprintk("%s: files total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3385 | return status; |
c0eae66e BH |
3386 | out_overflow: |
3387 | print_overflow_msg(__func__, xdr); | |
3388 | return -EIO; | |
1da177e4 LT |
3389 | } |
3390 | ||
7aaa0b3b MN |
3391 | static int decode_pathname(struct xdr_stream *xdr, struct nfs4_pathname *path) |
3392 | { | |
464ad6b1 | 3393 | u32 n; |
8687b63a | 3394 | __be32 *p; |
7aaa0b3b MN |
3395 | int status = 0; |
3396 | ||
c0eae66e BH |
3397 | p = xdr_inline_decode(xdr, 4); |
3398 | if (unlikely(!p)) | |
3399 | goto out_overflow; | |
cccddf4f | 3400 | n = be32_to_cpup(p); |
33a43f28 AA |
3401 | if (n == 0) |
3402 | goto root_path; | |
02a2976c | 3403 | dprintk("pathname4: "); |
7aaa0b3b MN |
3404 | path->ncomponents = 0; |
3405 | while (path->ncomponents < n) { | |
3406 | struct nfs4_string *component = &path->components[path->ncomponents]; | |
3407 | status = decode_opaque_inline(xdr, &component->len, &component->data); | |
3408 | if (unlikely(status != 0)) | |
3409 | goto out_eio; | |
95a13f7b | 3410 | ifdebug (XDR) |
02a2976c CL |
3411 | pr_cont("%s%.*s ", |
3412 | (path->ncomponents != n ? "/ " : ""), | |
3413 | component->len, component->data); | |
7aaa0b3b MN |
3414 | if (path->ncomponents < NFS4_PATHNAME_MAXCOMPONENTS) |
3415 | path->ncomponents++; | |
3416 | else { | |
3417 | dprintk("cannot parse %d components in path\n", n); | |
3418 | goto out_eio; | |
3419 | } | |
3420 | } | |
3421 | out: | |
7aaa0b3b | 3422 | return status; |
33a43f28 AA |
3423 | root_path: |
3424 | /* a root pathname is sent as a zero component4 */ | |
3425 | path->ncomponents = 1; | |
3426 | path->components[0].len=0; | |
3427 | path->components[0].data=NULL; | |
02a2976c | 3428 | dprintk("pathname4: /\n"); |
33a43f28 | 3429 | goto out; |
7aaa0b3b MN |
3430 | out_eio: |
3431 | dprintk(" status %d", status); | |
3432 | status = -EIO; | |
3433 | goto out; | |
c0eae66e BH |
3434 | out_overflow: |
3435 | print_overflow_msg(__func__, xdr); | |
3436 | return -EIO; | |
7aaa0b3b MN |
3437 | } |
3438 | ||
3439 | static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_fs_locations *res) | |
683b57b4 TM |
3440 | { |
3441 | int n; | |
8687b63a | 3442 | __be32 *p; |
683b57b4 TM |
3443 | int status = -EIO; |
3444 | ||
3445 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FS_LOCATIONS -1U))) | |
3446 | goto out; | |
3447 | status = 0; | |
3448 | if (unlikely(!(bitmap[0] & FATTR4_WORD0_FS_LOCATIONS))) | |
3449 | goto out; | |
8b7e3f49 TM |
3450 | status = -EIO; |
3451 | /* Ignore borken servers that return unrequested attrs */ | |
3452 | if (unlikely(res == NULL)) | |
3453 | goto out; | |
02a2976c | 3454 | dprintk("%s: fsroot:\n", __func__); |
7aaa0b3b | 3455 | status = decode_pathname(xdr, &res->fs_path); |
683b57b4 TM |
3456 | if (unlikely(status != 0)) |
3457 | goto out; | |
c0eae66e BH |
3458 | p = xdr_inline_decode(xdr, 4); |
3459 | if (unlikely(!p)) | |
3460 | goto out_overflow; | |
cccddf4f | 3461 | n = be32_to_cpup(p); |
683b57b4 TM |
3462 | if (n <= 0) |
3463 | goto out_eio; | |
3464 | res->nlocations = 0; | |
3465 | while (res->nlocations < n) { | |
464ad6b1 | 3466 | u32 m; |
7aaa0b3b | 3467 | struct nfs4_fs_location *loc = &res->locations[res->nlocations]; |
683b57b4 | 3468 | |
c0eae66e BH |
3469 | p = xdr_inline_decode(xdr, 4); |
3470 | if (unlikely(!p)) | |
3471 | goto out_overflow; | |
cccddf4f | 3472 | m = be32_to_cpup(p); |
7aaa0b3b MN |
3473 | |
3474 | loc->nservers = 0; | |
02a2976c | 3475 | dprintk("%s: servers:\n", __func__); |
7aaa0b3b MN |
3476 | while (loc->nservers < m) { |
3477 | struct nfs4_string *server = &loc->servers[loc->nservers]; | |
3478 | status = decode_opaque_inline(xdr, &server->len, &server->data); | |
3479 | if (unlikely(status != 0)) | |
3480 | goto out_eio; | |
3481 | dprintk("%s ", server->data); | |
3482 | if (loc->nservers < NFS4_FS_LOCATION_MAXSERVERS) | |
3483 | loc->nservers++; | |
3484 | else { | |
464ad6b1 CL |
3485 | unsigned int i; |
3486 | dprintk("%s: using first %u of %u servers " | |
3487 | "returned for location %u\n", | |
3110ff80 | 3488 | __func__, |
464ad6b1 CL |
3489 | NFS4_FS_LOCATION_MAXSERVERS, |
3490 | m, res->nlocations); | |
7aaa0b3b | 3491 | for (i = loc->nservers; i < m; i++) { |
2e42c3e2 | 3492 | unsigned int len; |
7aaa0b3b MN |
3493 | char *data; |
3494 | status = decode_opaque_inline(xdr, &len, &data); | |
3495 | if (unlikely(status != 0)) | |
3496 | goto out_eio; | |
3497 | } | |
3498 | } | |
3499 | } | |
3500 | status = decode_pathname(xdr, &loc->rootpath); | |
683b57b4 TM |
3501 | if (unlikely(status != 0)) |
3502 | goto out_eio; | |
7aaa0b3b | 3503 | if (res->nlocations < NFS4_FS_LOCATIONS_MAXENTRIES) |
683b57b4 TM |
3504 | res->nlocations++; |
3505 | } | |
409924e4 | 3506 | if (res->nlocations != 0) |
81934ddb | 3507 | status = NFS_ATTR_FATTR_V4_LOCATIONS; |
683b57b4 | 3508 | out: |
3110ff80 | 3509 | dprintk("%s: fs_locations done, error = %d\n", __func__, status); |
683b57b4 | 3510 | return status; |
c0eae66e BH |
3511 | out_overflow: |
3512 | print_overflow_msg(__func__, xdr); | |
683b57b4 TM |
3513 | out_eio: |
3514 | status = -EIO; | |
3515 | goto out; | |
3516 | } | |
3517 | ||
1da177e4 LT |
3518 | static int decode_attr_maxfilesize(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
3519 | { | |
8687b63a | 3520 | __be32 *p; |
1da177e4 LT |
3521 | int status = 0; |
3522 | ||
3523 | *res = 0; | |
3524 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXFILESIZE - 1U))) | |
3525 | return -EIO; | |
3526 | if (likely(bitmap[0] & FATTR4_WORD0_MAXFILESIZE)) { | |
c0eae66e BH |
3527 | p = xdr_inline_decode(xdr, 8); |
3528 | if (unlikely(!p)) | |
3529 | goto out_overflow; | |
cccddf4f | 3530 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3531 | bitmap[0] &= ~FATTR4_WORD0_MAXFILESIZE; |
3532 | } | |
3110ff80 | 3533 | dprintk("%s: maxfilesize=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3534 | return status; |
c0eae66e BH |
3535 | out_overflow: |
3536 | print_overflow_msg(__func__, xdr); | |
3537 | return -EIO; | |
1da177e4 LT |
3538 | } |
3539 | ||
3540 | static int decode_attr_maxlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxlink) | |
3541 | { | |
8687b63a | 3542 | __be32 *p; |
1da177e4 LT |
3543 | int status = 0; |
3544 | ||
3545 | *maxlink = 1; | |
3546 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXLINK - 1U))) | |
3547 | return -EIO; | |
3548 | if (likely(bitmap[0] & FATTR4_WORD0_MAXLINK)) { | |
c0eae66e BH |
3549 | p = xdr_inline_decode(xdr, 4); |
3550 | if (unlikely(!p)) | |
3551 | goto out_overflow; | |
cccddf4f | 3552 | *maxlink = be32_to_cpup(p); |
1da177e4 LT |
3553 | bitmap[0] &= ~FATTR4_WORD0_MAXLINK; |
3554 | } | |
3110ff80 | 3555 | dprintk("%s: maxlink=%u\n", __func__, *maxlink); |
1da177e4 | 3556 | return status; |
c0eae66e BH |
3557 | out_overflow: |
3558 | print_overflow_msg(__func__, xdr); | |
3559 | return -EIO; | |
1da177e4 LT |
3560 | } |
3561 | ||
3562 | static int decode_attr_maxname(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxname) | |
3563 | { | |
8687b63a | 3564 | __be32 *p; |
1da177e4 LT |
3565 | int status = 0; |
3566 | ||
3567 | *maxname = 1024; | |
3568 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXNAME - 1U))) | |
3569 | return -EIO; | |
3570 | if (likely(bitmap[0] & FATTR4_WORD0_MAXNAME)) { | |
c0eae66e BH |
3571 | p = xdr_inline_decode(xdr, 4); |
3572 | if (unlikely(!p)) | |
3573 | goto out_overflow; | |
cccddf4f | 3574 | *maxname = be32_to_cpup(p); |
1da177e4 LT |
3575 | bitmap[0] &= ~FATTR4_WORD0_MAXNAME; |
3576 | } | |
3110ff80 | 3577 | dprintk("%s: maxname=%u\n", __func__, *maxname); |
1da177e4 | 3578 | return status; |
c0eae66e BH |
3579 | out_overflow: |
3580 | print_overflow_msg(__func__, xdr); | |
3581 | return -EIO; | |
1da177e4 LT |
3582 | } |
3583 | ||
3584 | static int decode_attr_maxread(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3585 | { | |
8687b63a | 3586 | __be32 *p; |
1da177e4 LT |
3587 | int status = 0; |
3588 | ||
3589 | *res = 1024; | |
3590 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXREAD - 1U))) | |
3591 | return -EIO; | |
3592 | if (likely(bitmap[0] & FATTR4_WORD0_MAXREAD)) { | |
3593 | uint64_t maxread; | |
c0eae66e BH |
3594 | p = xdr_inline_decode(xdr, 8); |
3595 | if (unlikely(!p)) | |
3596 | goto out_overflow; | |
cccddf4f | 3597 | xdr_decode_hyper(p, &maxread); |
1da177e4 LT |
3598 | if (maxread > 0x7FFFFFFF) |
3599 | maxread = 0x7FFFFFFF; | |
3600 | *res = (uint32_t)maxread; | |
3601 | bitmap[0] &= ~FATTR4_WORD0_MAXREAD; | |
3602 | } | |
3110ff80 | 3603 | dprintk("%s: maxread=%lu\n", __func__, (unsigned long)*res); |
1da177e4 | 3604 | return status; |
c0eae66e BH |
3605 | out_overflow: |
3606 | print_overflow_msg(__func__, xdr); | |
3607 | return -EIO; | |
1da177e4 LT |
3608 | } |
3609 | ||
3610 | static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3611 | { | |
8687b63a | 3612 | __be32 *p; |
1da177e4 LT |
3613 | int status = 0; |
3614 | ||
3615 | *res = 1024; | |
3616 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXWRITE - 1U))) | |
3617 | return -EIO; | |
3618 | if (likely(bitmap[0] & FATTR4_WORD0_MAXWRITE)) { | |
3619 | uint64_t maxwrite; | |
c0eae66e BH |
3620 | p = xdr_inline_decode(xdr, 8); |
3621 | if (unlikely(!p)) | |
3622 | goto out_overflow; | |
cccddf4f | 3623 | xdr_decode_hyper(p, &maxwrite); |
1da177e4 LT |
3624 | if (maxwrite > 0x7FFFFFFF) |
3625 | maxwrite = 0x7FFFFFFF; | |
3626 | *res = (uint32_t)maxwrite; | |
3627 | bitmap[0] &= ~FATTR4_WORD0_MAXWRITE; | |
3628 | } | |
3110ff80 | 3629 | dprintk("%s: maxwrite=%lu\n", __func__, (unsigned long)*res); |
1da177e4 | 3630 | return status; |
c0eae66e BH |
3631 | out_overflow: |
3632 | print_overflow_msg(__func__, xdr); | |
3633 | return -EIO; | |
1da177e4 LT |
3634 | } |
3635 | ||
bca79478 | 3636 | static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, umode_t *mode) |
1da177e4 | 3637 | { |
bca79478 | 3638 | uint32_t tmp; |
8687b63a | 3639 | __be32 *p; |
409924e4 | 3640 | int ret = 0; |
1da177e4 LT |
3641 | |
3642 | *mode = 0; | |
3643 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MODE - 1U))) | |
3644 | return -EIO; | |
3645 | if (likely(bitmap[1] & FATTR4_WORD1_MODE)) { | |
c0eae66e BH |
3646 | p = xdr_inline_decode(xdr, 4); |
3647 | if (unlikely(!p)) | |
3648 | goto out_overflow; | |
cccddf4f | 3649 | tmp = be32_to_cpup(p); |
bca79478 | 3650 | *mode = tmp & ~S_IFMT; |
1da177e4 | 3651 | bitmap[1] &= ~FATTR4_WORD1_MODE; |
409924e4 | 3652 | ret = NFS_ATTR_FATTR_MODE; |
1da177e4 | 3653 | } |
3110ff80 | 3654 | dprintk("%s: file mode=0%o\n", __func__, (unsigned int)*mode); |
409924e4 | 3655 | return ret; |
c0eae66e BH |
3656 | out_overflow: |
3657 | print_overflow_msg(__func__, xdr); | |
3658 | return -EIO; | |
1da177e4 LT |
3659 | } |
3660 | ||
3661 | static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *nlink) | |
3662 | { | |
8687b63a | 3663 | __be32 *p; |
409924e4 | 3664 | int ret = 0; |
1da177e4 LT |
3665 | |
3666 | *nlink = 1; | |
3667 | if (unlikely(bitmap[1] & (FATTR4_WORD1_NUMLINKS - 1U))) | |
3668 | return -EIO; | |
3669 | if (likely(bitmap[1] & FATTR4_WORD1_NUMLINKS)) { | |
c0eae66e BH |
3670 | p = xdr_inline_decode(xdr, 4); |
3671 | if (unlikely(!p)) | |
3672 | goto out_overflow; | |
cccddf4f | 3673 | *nlink = be32_to_cpup(p); |
1da177e4 | 3674 | bitmap[1] &= ~FATTR4_WORD1_NUMLINKS; |
409924e4 | 3675 | ret = NFS_ATTR_FATTR_NLINK; |
1da177e4 | 3676 | } |
3110ff80 | 3677 | dprintk("%s: nlink=%u\n", __func__, (unsigned int)*nlink); |
409924e4 | 3678 | return ret; |
c0eae66e BH |
3679 | out_overflow: |
3680 | print_overflow_msg(__func__, xdr); | |
3681 | return -EIO; | |
1da177e4 LT |
3682 | } |
3683 | ||
80e52ace | 3684 | static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, |
6926afd1 TM |
3685 | const struct nfs_server *server, uint32_t *uid, |
3686 | struct nfs4_string *owner_name) | |
1da177e4 | 3687 | { |
8687b63a AV |
3688 | uint32_t len; |
3689 | __be32 *p; | |
409924e4 | 3690 | int ret = 0; |
1da177e4 LT |
3691 | |
3692 | *uid = -2; | |
3693 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER - 1U))) | |
3694 | return -EIO; | |
3695 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER)) { | |
c0eae66e BH |
3696 | p = xdr_inline_decode(xdr, 4); |
3697 | if (unlikely(!p)) | |
3698 | goto out_overflow; | |
cccddf4f | 3699 | len = be32_to_cpup(p); |
c0eae66e BH |
3700 | p = xdr_inline_decode(xdr, len); |
3701 | if (unlikely(!p)) | |
3702 | goto out_overflow; | |
6926afd1 TM |
3703 | if (owner_name != NULL) { |
3704 | owner_name->data = kmemdup(p, len, GFP_NOWAIT); | |
3705 | if (owner_name->data != NULL) { | |
3706 | owner_name->len = len; | |
3707 | ret = NFS_ATTR_FATTR_OWNER_NAME; | |
3708 | } | |
80e52ace | 3709 | } else if (len < XDR_MAX_NETOBJ) { |
e4fd72a1 | 3710 | if (nfs_map_name_to_uid(server, (char *)p, len, uid) == 0) |
409924e4 TM |
3711 | ret = NFS_ATTR_FATTR_OWNER; |
3712 | else | |
1da177e4 | 3713 | dprintk("%s: nfs_map_name_to_uid failed!\n", |
3110ff80 | 3714 | __func__); |
1da177e4 | 3715 | } else |
fe82a183 | 3716 | dprintk("%s: name too long (%u)!\n", |
3110ff80 | 3717 | __func__, len); |
1da177e4 LT |
3718 | bitmap[1] &= ~FATTR4_WORD1_OWNER; |
3719 | } | |
3110ff80 | 3720 | dprintk("%s: uid=%d\n", __func__, (int)*uid); |
409924e4 | 3721 | return ret; |
c0eae66e BH |
3722 | out_overflow: |
3723 | print_overflow_msg(__func__, xdr); | |
3724 | return -EIO; | |
1da177e4 LT |
3725 | } |
3726 | ||
80e52ace | 3727 | static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, |
6926afd1 TM |
3728 | const struct nfs_server *server, uint32_t *gid, |
3729 | struct nfs4_string *group_name) | |
1da177e4 | 3730 | { |
8687b63a AV |
3731 | uint32_t len; |
3732 | __be32 *p; | |
409924e4 | 3733 | int ret = 0; |
1da177e4 LT |
3734 | |
3735 | *gid = -2; | |
3736 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER_GROUP - 1U))) | |
3737 | return -EIO; | |
3738 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER_GROUP)) { | |
c0eae66e BH |
3739 | p = xdr_inline_decode(xdr, 4); |
3740 | if (unlikely(!p)) | |
3741 | goto out_overflow; | |
cccddf4f | 3742 | len = be32_to_cpup(p); |
c0eae66e BH |
3743 | p = xdr_inline_decode(xdr, len); |
3744 | if (unlikely(!p)) | |
3745 | goto out_overflow; | |
6926afd1 TM |
3746 | if (group_name != NULL) { |
3747 | group_name->data = kmemdup(p, len, GFP_NOWAIT); | |
3748 | if (group_name->data != NULL) { | |
3749 | group_name->len = len; | |
3750 | ret = NFS_ATTR_FATTR_GROUP_NAME; | |
3751 | } | |
80e52ace | 3752 | } else if (len < XDR_MAX_NETOBJ) { |
e4fd72a1 | 3753 | if (nfs_map_group_to_gid(server, (char *)p, len, gid) == 0) |
409924e4 TM |
3754 | ret = NFS_ATTR_FATTR_GROUP; |
3755 | else | |
1da177e4 | 3756 | dprintk("%s: nfs_map_group_to_gid failed!\n", |
3110ff80 | 3757 | __func__); |
1da177e4 | 3758 | } else |
fe82a183 | 3759 | dprintk("%s: name too long (%u)!\n", |
3110ff80 | 3760 | __func__, len); |
1da177e4 LT |
3761 | bitmap[1] &= ~FATTR4_WORD1_OWNER_GROUP; |
3762 | } | |
3110ff80 | 3763 | dprintk("%s: gid=%d\n", __func__, (int)*gid); |
409924e4 | 3764 | return ret; |
c0eae66e BH |
3765 | out_overflow: |
3766 | print_overflow_msg(__func__, xdr); | |
3767 | return -EIO; | |
1da177e4 LT |
3768 | } |
3769 | ||
3770 | static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rdev) | |
3771 | { | |
8687b63a AV |
3772 | uint32_t major = 0, minor = 0; |
3773 | __be32 *p; | |
409924e4 | 3774 | int ret = 0; |
1da177e4 LT |
3775 | |
3776 | *rdev = MKDEV(0,0); | |
3777 | if (unlikely(bitmap[1] & (FATTR4_WORD1_RAWDEV - 1U))) | |
3778 | return -EIO; | |
3779 | if (likely(bitmap[1] & FATTR4_WORD1_RAWDEV)) { | |
3780 | dev_t tmp; | |
3781 | ||
c0eae66e BH |
3782 | p = xdr_inline_decode(xdr, 8); |
3783 | if (unlikely(!p)) | |
3784 | goto out_overflow; | |
6f723f77 | 3785 | major = be32_to_cpup(p++); |
cccddf4f | 3786 | minor = be32_to_cpup(p); |
1da177e4 LT |
3787 | tmp = MKDEV(major, minor); |
3788 | if (MAJOR(tmp) == major && MINOR(tmp) == minor) | |
3789 | *rdev = tmp; | |
3790 | bitmap[1] &= ~ FATTR4_WORD1_RAWDEV; | |
409924e4 | 3791 | ret = NFS_ATTR_FATTR_RDEV; |
1da177e4 | 3792 | } |
3110ff80 | 3793 | dprintk("%s: rdev=(0x%x:0x%x)\n", __func__, major, minor); |
409924e4 | 3794 | return ret; |
c0eae66e BH |
3795 | out_overflow: |
3796 | print_overflow_msg(__func__, xdr); | |
3797 | return -EIO; | |
1da177e4 LT |
3798 | } |
3799 | ||
3800 | static int decode_attr_space_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3801 | { | |
8687b63a | 3802 | __be32 *p; |
1da177e4 LT |
3803 | int status = 0; |
3804 | ||
3805 | *res = 0; | |
3806 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_AVAIL - 1U))) | |
3807 | return -EIO; | |
3808 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_AVAIL)) { | |
c0eae66e BH |
3809 | p = xdr_inline_decode(xdr, 8); |
3810 | if (unlikely(!p)) | |
3811 | goto out_overflow; | |
cccddf4f | 3812 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3813 | bitmap[1] &= ~FATTR4_WORD1_SPACE_AVAIL; |
3814 | } | |
3110ff80 | 3815 | dprintk("%s: space avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3816 | return status; |
c0eae66e BH |
3817 | out_overflow: |
3818 | print_overflow_msg(__func__, xdr); | |
3819 | return -EIO; | |
1da177e4 LT |
3820 | } |
3821 | ||
3822 | static int decode_attr_space_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3823 | { | |
8687b63a | 3824 | __be32 *p; |
1da177e4 LT |
3825 | int status = 0; |
3826 | ||
3827 | *res = 0; | |
3828 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_FREE - 1U))) | |
3829 | return -EIO; | |
3830 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_FREE)) { | |
c0eae66e BH |
3831 | p = xdr_inline_decode(xdr, 8); |
3832 | if (unlikely(!p)) | |
3833 | goto out_overflow; | |
cccddf4f | 3834 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3835 | bitmap[1] &= ~FATTR4_WORD1_SPACE_FREE; |
3836 | } | |
3110ff80 | 3837 | dprintk("%s: space free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3838 | return status; |
c0eae66e BH |
3839 | out_overflow: |
3840 | print_overflow_msg(__func__, xdr); | |
3841 | return -EIO; | |
1da177e4 LT |
3842 | } |
3843 | ||
3844 | static int decode_attr_space_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3845 | { | |
8687b63a | 3846 | __be32 *p; |
1da177e4 LT |
3847 | int status = 0; |
3848 | ||
3849 | *res = 0; | |
3850 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_TOTAL - 1U))) | |
3851 | return -EIO; | |
3852 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_TOTAL)) { | |
c0eae66e BH |
3853 | p = xdr_inline_decode(xdr, 8); |
3854 | if (unlikely(!p)) | |
3855 | goto out_overflow; | |
cccddf4f | 3856 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3857 | bitmap[1] &= ~FATTR4_WORD1_SPACE_TOTAL; |
3858 | } | |
3110ff80 | 3859 | dprintk("%s: space total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3860 | return status; |
c0eae66e BH |
3861 | out_overflow: |
3862 | print_overflow_msg(__func__, xdr); | |
3863 | return -EIO; | |
1da177e4 LT |
3864 | } |
3865 | ||
3866 | static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *used) | |
3867 | { | |
8687b63a | 3868 | __be32 *p; |
409924e4 | 3869 | int ret = 0; |
1da177e4 LT |
3870 | |
3871 | *used = 0; | |
3872 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_USED - 1U))) | |
3873 | return -EIO; | |
3874 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_USED)) { | |
c0eae66e BH |
3875 | p = xdr_inline_decode(xdr, 8); |
3876 | if (unlikely(!p)) | |
3877 | goto out_overflow; | |
cccddf4f | 3878 | xdr_decode_hyper(p, used); |
1da177e4 | 3879 | bitmap[1] &= ~FATTR4_WORD1_SPACE_USED; |
409924e4 | 3880 | ret = NFS_ATTR_FATTR_SPACE_USED; |
1da177e4 | 3881 | } |
3110ff80 | 3882 | dprintk("%s: space used=%Lu\n", __func__, |
1da177e4 | 3883 | (unsigned long long)*used); |
409924e4 | 3884 | return ret; |
c0eae66e BH |
3885 | out_overflow: |
3886 | print_overflow_msg(__func__, xdr); | |
3887 | return -EIO; | |
1da177e4 LT |
3888 | } |
3889 | ||
3890 | static int decode_attr_time(struct xdr_stream *xdr, struct timespec *time) | |
3891 | { | |
8687b63a | 3892 | __be32 *p; |
1da177e4 LT |
3893 | uint64_t sec; |
3894 | uint32_t nsec; | |
3895 | ||
c0eae66e BH |
3896 | p = xdr_inline_decode(xdr, 12); |
3897 | if (unlikely(!p)) | |
3898 | goto out_overflow; | |
3ceb4dbb | 3899 | p = xdr_decode_hyper(p, &sec); |
cccddf4f | 3900 | nsec = be32_to_cpup(p); |
1da177e4 LT |
3901 | time->tv_sec = (time_t)sec; |
3902 | time->tv_nsec = (long)nsec; | |
3903 | return 0; | |
c0eae66e BH |
3904 | out_overflow: |
3905 | print_overflow_msg(__func__, xdr); | |
3906 | return -EIO; | |
1da177e4 LT |
3907 | } |
3908 | ||
3909 | static int decode_attr_time_access(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
3910 | { | |
3911 | int status = 0; | |
3912 | ||
3913 | time->tv_sec = 0; | |
3914 | time->tv_nsec = 0; | |
3915 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_ACCESS - 1U))) | |
3916 | return -EIO; | |
3917 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_ACCESS)) { | |
3918 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
3919 | if (status == 0) |
3920 | status = NFS_ATTR_FATTR_ATIME; | |
1da177e4 LT |
3921 | bitmap[1] &= ~FATTR4_WORD1_TIME_ACCESS; |
3922 | } | |
3110ff80 | 3923 | dprintk("%s: atime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
3924 | return status; |
3925 | } | |
3926 | ||
3927 | static int decode_attr_time_metadata(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
3928 | { | |
3929 | int status = 0; | |
3930 | ||
3931 | time->tv_sec = 0; | |
3932 | time->tv_nsec = 0; | |
3933 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_METADATA - 1U))) | |
3934 | return -EIO; | |
3935 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_METADATA)) { | |
3936 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
3937 | if (status == 0) |
3938 | status = NFS_ATTR_FATTR_CTIME; | |
1da177e4 LT |
3939 | bitmap[1] &= ~FATTR4_WORD1_TIME_METADATA; |
3940 | } | |
3110ff80 | 3941 | dprintk("%s: ctime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
3942 | return status; |
3943 | } | |
3944 | ||
55b6e774 RL |
3945 | static int decode_attr_time_delta(struct xdr_stream *xdr, uint32_t *bitmap, |
3946 | struct timespec *time) | |
3947 | { | |
3948 | int status = 0; | |
3949 | ||
3950 | time->tv_sec = 0; | |
3951 | time->tv_nsec = 0; | |
3952 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_DELTA - 1U))) | |
3953 | return -EIO; | |
3954 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_DELTA)) { | |
3955 | status = decode_attr_time(xdr, time); | |
3956 | bitmap[1] &= ~FATTR4_WORD1_TIME_DELTA; | |
3957 | } | |
3958 | dprintk("%s: time_delta=%ld %ld\n", __func__, (long)time->tv_sec, | |
3959 | (long)time->tv_nsec); | |
3960 | return status; | |
3961 | } | |
3962 | ||
1da177e4 LT |
3963 | static int decode_attr_time_modify(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) |
3964 | { | |
3965 | int status = 0; | |
3966 | ||
3967 | time->tv_sec = 0; | |
3968 | time->tv_nsec = 0; | |
3969 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_MODIFY - 1U))) | |
3970 | return -EIO; | |
3971 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_MODIFY)) { | |
3972 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
3973 | if (status == 0) |
3974 | status = NFS_ATTR_FATTR_MTIME; | |
1da177e4 LT |
3975 | bitmap[1] &= ~FATTR4_WORD1_TIME_MODIFY; |
3976 | } | |
3110ff80 | 3977 | dprintk("%s: mtime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
3978 | return status; |
3979 | } | |
3980 | ||
8687b63a | 3981 | static int verify_attr_len(struct xdr_stream *xdr, __be32 *savep, uint32_t attrlen) |
1da177e4 LT |
3982 | { |
3983 | unsigned int attrwords = XDR_QUADLEN(attrlen); | |
3984 | unsigned int nwords = xdr->p - savep; | |
3985 | ||
3986 | if (unlikely(attrwords != nwords)) { | |
fe82a183 CL |
3987 | dprintk("%s: server returned incorrect attribute length: " |
3988 | "%u %c %u\n", | |
3110ff80 | 3989 | __func__, |
1da177e4 LT |
3990 | attrwords << 2, |
3991 | (attrwords < nwords) ? '<' : '>', | |
3992 | nwords << 2); | |
3993 | return -EIO; | |
3994 | } | |
3995 | return 0; | |
3996 | } | |
3997 | ||
3998 | static int decode_change_info(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
3999 | { | |
8687b63a | 4000 | __be32 *p; |
1da177e4 | 4001 | |
c0eae66e BH |
4002 | p = xdr_inline_decode(xdr, 20); |
4003 | if (unlikely(!p)) | |
4004 | goto out_overflow; | |
6f723f77 | 4005 | cinfo->atomic = be32_to_cpup(p++); |
3ceb4dbb | 4006 | p = xdr_decode_hyper(p, &cinfo->before); |
cccddf4f | 4007 | xdr_decode_hyper(p, &cinfo->after); |
1da177e4 | 4008 | return 0; |
c0eae66e BH |
4009 | out_overflow: |
4010 | print_overflow_msg(__func__, xdr); | |
4011 | return -EIO; | |
1da177e4 LT |
4012 | } |
4013 | ||
4014 | static int decode_access(struct xdr_stream *xdr, struct nfs4_accessres *access) | |
4015 | { | |
8687b63a | 4016 | __be32 *p; |
1da177e4 LT |
4017 | uint32_t supp, acc; |
4018 | int status; | |
4019 | ||
4020 | status = decode_op_hdr(xdr, OP_ACCESS); | |
4021 | if (status) | |
4022 | return status; | |
c0eae66e BH |
4023 | p = xdr_inline_decode(xdr, 8); |
4024 | if (unlikely(!p)) | |
4025 | goto out_overflow; | |
6f723f77 | 4026 | supp = be32_to_cpup(p++); |
cccddf4f | 4027 | acc = be32_to_cpup(p); |
1da177e4 LT |
4028 | access->supported = supp; |
4029 | access->access = acc; | |
4030 | return 0; | |
c0eae66e BH |
4031 | out_overflow: |
4032 | print_overflow_msg(__func__, xdr); | |
4033 | return -EIO; | |
1da177e4 LT |
4034 | } |
4035 | ||
07d30434 | 4036 | static int decode_opaque_fixed(struct xdr_stream *xdr, void *buf, size_t len) |
1da177e4 | 4037 | { |
8687b63a | 4038 | __be32 *p; |
07d30434 BH |
4039 | |
4040 | p = xdr_inline_decode(xdr, len); | |
4041 | if (likely(p)) { | |
4042 | memcpy(buf, p, len); | |
4043 | return 0; | |
4044 | } | |
4045 | print_overflow_msg(__func__, xdr); | |
4046 | return -EIO; | |
4047 | } | |
4048 | ||
4049 | static int decode_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) | |
4050 | { | |
2d2f24ad | 4051 | return decode_opaque_fixed(xdr, stateid, NFS4_STATEID_SIZE); |
07d30434 BH |
4052 | } |
4053 | ||
4054 | static int decode_close(struct xdr_stream *xdr, struct nfs_closeres *res) | |
4055 | { | |
1da177e4 LT |
4056 | int status; |
4057 | ||
4058 | status = decode_op_hdr(xdr, OP_CLOSE); | |
c1d51931 TM |
4059 | if (status != -EIO) |
4060 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4061 | if (!status) |
4062 | status = decode_stateid(xdr, &res->stateid); | |
4063 | return status; | |
1da177e4 LT |
4064 | } |
4065 | ||
db942bbd BH |
4066 | static int decode_verifier(struct xdr_stream *xdr, void *verifier) |
4067 | { | |
cd93710e | 4068 | return decode_opaque_fixed(xdr, verifier, NFS4_VERIFIER_SIZE); |
1da177e4 LT |
4069 | } |
4070 | ||
0b7c0153 | 4071 | static int decode_commit(struct xdr_stream *xdr, struct nfs_commitres *res) |
1da177e4 | 4072 | { |
1da177e4 LT |
4073 | int status; |
4074 | ||
4075 | status = decode_op_hdr(xdr, OP_COMMIT); | |
db942bbd BH |
4076 | if (!status) |
4077 | status = decode_verifier(xdr, res->verf->verifier); | |
4078 | return status; | |
1da177e4 LT |
4079 | } |
4080 | ||
4081 | static int decode_create(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4082 | { | |
8687b63a | 4083 | __be32 *p; |
1da177e4 LT |
4084 | uint32_t bmlen; |
4085 | int status; | |
4086 | ||
4087 | status = decode_op_hdr(xdr, OP_CREATE); | |
4088 | if (status) | |
4089 | return status; | |
4090 | if ((status = decode_change_info(xdr, cinfo))) | |
4091 | return status; | |
c0eae66e BH |
4092 | p = xdr_inline_decode(xdr, 4); |
4093 | if (unlikely(!p)) | |
4094 | goto out_overflow; | |
cccddf4f | 4095 | bmlen = be32_to_cpup(p); |
c0eae66e BH |
4096 | p = xdr_inline_decode(xdr, bmlen << 2); |
4097 | if (likely(p)) | |
4098 | return 0; | |
4099 | out_overflow: | |
4100 | print_overflow_msg(__func__, xdr); | |
4101 | return -EIO; | |
1da177e4 LT |
4102 | } |
4103 | ||
4104 | static int decode_server_caps(struct xdr_stream *xdr, struct nfs4_server_caps_res *res) | |
4105 | { | |
8687b63a | 4106 | __be32 *savep; |
dae100c2 | 4107 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 LT |
4108 | int status; |
4109 | ||
4110 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
4111 | goto xdr_error; | |
4112 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4113 | goto xdr_error; | |
4114 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4115 | goto xdr_error; | |
4116 | if ((status = decode_attr_supported(xdr, bitmap, res->attr_bitmask)) != 0) | |
4117 | goto xdr_error; | |
264e6351 CL |
4118 | if ((status = decode_attr_fh_expire_type(xdr, bitmap, |
4119 | &res->fh_expire_type)) != 0) | |
4120 | goto xdr_error; | |
1da177e4 LT |
4121 | if ((status = decode_attr_link_support(xdr, bitmap, &res->has_links)) != 0) |
4122 | goto xdr_error; | |
4123 | if ((status = decode_attr_symlink_support(xdr, bitmap, &res->has_symlinks)) != 0) | |
4124 | goto xdr_error; | |
4125 | if ((status = decode_attr_aclsupport(xdr, bitmap, &res->acl_bitmask)) != 0) | |
4126 | goto xdr_error; | |
4127 | status = verify_attr_len(xdr, savep, attrlen); | |
4128 | xdr_error: | |
3110ff80 | 4129 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4130 | return status; |
4131 | } | |
6c0195a4 | 4132 | |
1da177e4 LT |
4133 | static int decode_statfs(struct xdr_stream *xdr, struct nfs_fsstat *fsstat) |
4134 | { | |
8687b63a | 4135 | __be32 *savep; |
dae100c2 | 4136 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 | 4137 | int status; |
6c0195a4 | 4138 | |
1da177e4 LT |
4139 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
4140 | goto xdr_error; | |
4141 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4142 | goto xdr_error; | |
4143 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4144 | goto xdr_error; | |
4145 | ||
4146 | if ((status = decode_attr_files_avail(xdr, bitmap, &fsstat->afiles)) != 0) | |
4147 | goto xdr_error; | |
4148 | if ((status = decode_attr_files_free(xdr, bitmap, &fsstat->ffiles)) != 0) | |
4149 | goto xdr_error; | |
4150 | if ((status = decode_attr_files_total(xdr, bitmap, &fsstat->tfiles)) != 0) | |
4151 | goto xdr_error; | |
4152 | if ((status = decode_attr_space_avail(xdr, bitmap, &fsstat->abytes)) != 0) | |
4153 | goto xdr_error; | |
4154 | if ((status = decode_attr_space_free(xdr, bitmap, &fsstat->fbytes)) != 0) | |
4155 | goto xdr_error; | |
4156 | if ((status = decode_attr_space_total(xdr, bitmap, &fsstat->tbytes)) != 0) | |
4157 | goto xdr_error; | |
4158 | ||
4159 | status = verify_attr_len(xdr, savep, attrlen); | |
4160 | xdr_error: | |
3110ff80 | 4161 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4162 | return status; |
4163 | } | |
4164 | ||
4165 | static int decode_pathconf(struct xdr_stream *xdr, struct nfs_pathconf *pathconf) | |
4166 | { | |
8687b63a | 4167 | __be32 *savep; |
dae100c2 | 4168 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 | 4169 | int status; |
6c0195a4 | 4170 | |
1da177e4 LT |
4171 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
4172 | goto xdr_error; | |
4173 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4174 | goto xdr_error; | |
4175 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4176 | goto xdr_error; | |
4177 | ||
4178 | if ((status = decode_attr_maxlink(xdr, bitmap, &pathconf->max_link)) != 0) | |
4179 | goto xdr_error; | |
4180 | if ((status = decode_attr_maxname(xdr, bitmap, &pathconf->max_namelen)) != 0) | |
4181 | goto xdr_error; | |
4182 | ||
4183 | status = verify_attr_len(xdr, savep, attrlen); | |
4184 | xdr_error: | |
3110ff80 | 4185 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4186 | return status; |
4187 | } | |
4188 | ||
ae42c70a BS |
4189 | static int decode_getfattr_attrs(struct xdr_stream *xdr, uint32_t *bitmap, |
4190 | struct nfs_fattr *fattr, struct nfs_fh *fh, | |
8b7e3f49 | 4191 | struct nfs4_fs_locations *fs_loc, |
6926afd1 | 4192 | const struct nfs_server *server) |
1da177e4 | 4193 | { |
bca79478 TM |
4194 | int status; |
4195 | umode_t fmode = 0; | |
ae42c70a | 4196 | uint32_t type; |
ee7b75fc | 4197 | int32_t err; |
1da177e4 | 4198 | |
f26c7a78 TM |
4199 | status = decode_attr_type(xdr, bitmap, &type); |
4200 | if (status < 0) | |
1da177e4 | 4201 | goto xdr_error; |
409924e4 TM |
4202 | fattr->mode = 0; |
4203 | if (status != 0) { | |
4204 | fattr->mode |= nfs_type2fmt[type]; | |
4205 | fattr->valid |= status; | |
4206 | } | |
1da177e4 | 4207 | |
f26c7a78 TM |
4208 | status = decode_attr_change(xdr, bitmap, &fattr->change_attr); |
4209 | if (status < 0) | |
1da177e4 | 4210 | goto xdr_error; |
409924e4 | 4211 | fattr->valid |= status; |
f26c7a78 TM |
4212 | |
4213 | status = decode_attr_size(xdr, bitmap, &fattr->size); | |
4214 | if (status < 0) | |
1da177e4 | 4215 | goto xdr_error; |
409924e4 | 4216 | fattr->valid |= status; |
f26c7a78 TM |
4217 | |
4218 | status = decode_attr_fsid(xdr, bitmap, &fattr->fsid); | |
4219 | if (status < 0) | |
1da177e4 | 4220 | goto xdr_error; |
409924e4 | 4221 | fattr->valid |= status; |
f26c7a78 | 4222 | |
ee7b75fc TM |
4223 | err = 0; |
4224 | status = decode_attr_error(xdr, bitmap, &err); | |
ae42c70a BS |
4225 | if (status < 0) |
4226 | goto xdr_error; | |
4227 | ||
4228 | status = decode_attr_filehandle(xdr, bitmap, fh); | |
4229 | if (status < 0) | |
4230 | goto xdr_error; | |
4231 | ||
f26c7a78 TM |
4232 | status = decode_attr_fileid(xdr, bitmap, &fattr->fileid); |
4233 | if (status < 0) | |
1da177e4 | 4234 | goto xdr_error; |
409924e4 | 4235 | fattr->valid |= status; |
f26c7a78 | 4236 | |
8b7e3f49 | 4237 | status = decode_attr_fs_locations(xdr, bitmap, fs_loc); |
f26c7a78 | 4238 | if (status < 0) |
683b57b4 | 4239 | goto xdr_error; |
409924e4 | 4240 | fattr->valid |= status; |
f26c7a78 TM |
4241 | |
4242 | status = decode_attr_mode(xdr, bitmap, &fmode); | |
4243 | if (status < 0) | |
1da177e4 | 4244 | goto xdr_error; |
409924e4 TM |
4245 | if (status != 0) { |
4246 | fattr->mode |= fmode; | |
4247 | fattr->valid |= status; | |
4248 | } | |
f26c7a78 TM |
4249 | |
4250 | status = decode_attr_nlink(xdr, bitmap, &fattr->nlink); | |
4251 | if (status < 0) | |
1da177e4 | 4252 | goto xdr_error; |
409924e4 | 4253 | fattr->valid |= status; |
f26c7a78 | 4254 | |
6926afd1 | 4255 | status = decode_attr_owner(xdr, bitmap, server, &fattr->uid, fattr->owner_name); |
f26c7a78 | 4256 | if (status < 0) |
1da177e4 | 4257 | goto xdr_error; |
409924e4 | 4258 | fattr->valid |= status; |
f26c7a78 | 4259 | |
6926afd1 | 4260 | status = decode_attr_group(xdr, bitmap, server, &fattr->gid, fattr->group_name); |
f26c7a78 | 4261 | if (status < 0) |
1da177e4 | 4262 | goto xdr_error; |
409924e4 | 4263 | fattr->valid |= status; |
f26c7a78 TM |
4264 | |
4265 | status = decode_attr_rdev(xdr, bitmap, &fattr->rdev); | |
4266 | if (status < 0) | |
1da177e4 | 4267 | goto xdr_error; |
409924e4 | 4268 | fattr->valid |= status; |
f26c7a78 TM |
4269 | |
4270 | status = decode_attr_space_used(xdr, bitmap, &fattr->du.nfs3.used); | |
4271 | if (status < 0) | |
1da177e4 | 4272 | goto xdr_error; |
409924e4 | 4273 | fattr->valid |= status; |
f26c7a78 TM |
4274 | |
4275 | status = decode_attr_time_access(xdr, bitmap, &fattr->atime); | |
4276 | if (status < 0) | |
1da177e4 | 4277 | goto xdr_error; |
409924e4 | 4278 | fattr->valid |= status; |
f26c7a78 TM |
4279 | |
4280 | status = decode_attr_time_metadata(xdr, bitmap, &fattr->ctime); | |
4281 | if (status < 0) | |
1da177e4 | 4282 | goto xdr_error; |
409924e4 | 4283 | fattr->valid |= status; |
f26c7a78 TM |
4284 | |
4285 | status = decode_attr_time_modify(xdr, bitmap, &fattr->mtime); | |
4286 | if (status < 0) | |
1da177e4 | 4287 | goto xdr_error; |
409924e4 | 4288 | fattr->valid |= status; |
f26c7a78 | 4289 | |
28331a46 | 4290 | status = decode_attr_mounted_on_fileid(xdr, bitmap, &fattr->mounted_on_fileid); |
f26c7a78 | 4291 | if (status < 0) |
99baf625 | 4292 | goto xdr_error; |
28331a46 | 4293 | fattr->valid |= status; |
f26c7a78 | 4294 | |
ae42c70a BS |
4295 | xdr_error: |
4296 | dprintk("%s: xdr returned %d\n", __func__, -status); | |
4297 | return status; | |
4298 | } | |
4299 | ||
4300 | static int decode_getfattr_generic(struct xdr_stream *xdr, struct nfs_fattr *fattr, | |
8b7e3f49 TM |
4301 | struct nfs_fh *fh, struct nfs4_fs_locations *fs_loc, |
4302 | const struct nfs_server *server) | |
ae42c70a BS |
4303 | { |
4304 | __be32 *savep; | |
4305 | uint32_t attrlen, | |
dae100c2 | 4306 | bitmap[3] = {0}; |
ae42c70a BS |
4307 | int status; |
4308 | ||
4309 | status = decode_op_hdr(xdr, OP_GETATTR); | |
4310 | if (status < 0) | |
4311 | goto xdr_error; | |
4312 | ||
4313 | status = decode_attr_bitmap(xdr, bitmap); | |
4314 | if (status < 0) | |
4315 | goto xdr_error; | |
4316 | ||
4317 | status = decode_attr_length(xdr, &attrlen, &savep); | |
4318 | if (status < 0) | |
4319 | goto xdr_error; | |
4320 | ||
8b7e3f49 | 4321 | status = decode_getfattr_attrs(xdr, bitmap, fattr, fh, fs_loc, server); |
ae42c70a BS |
4322 | if (status < 0) |
4323 | goto xdr_error; | |
4324 | ||
f26c7a78 | 4325 | status = verify_attr_len(xdr, savep, attrlen); |
1da177e4 | 4326 | xdr_error: |
3110ff80 | 4327 | dprintk("%s: xdr returned %d\n", __func__, -status); |
1da177e4 LT |
4328 | return status; |
4329 | } | |
4330 | ||
ae42c70a | 4331 | static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr, |
6926afd1 | 4332 | const struct nfs_server *server) |
ae42c70a | 4333 | { |
8b7e3f49 | 4334 | return decode_getfattr_generic(xdr, fattr, NULL, NULL, server); |
ae42c70a | 4335 | } |
1da177e4 | 4336 | |
504913fb AA |
4337 | /* |
4338 | * Decode potentially multiple layout types. Currently we only support | |
4339 | * one layout driver per file system. | |
4340 | */ | |
4341 | static int decode_first_pnfs_layout_type(struct xdr_stream *xdr, | |
4342 | uint32_t *layouttype) | |
4343 | { | |
4344 | uint32_t *p; | |
4345 | int num; | |
4346 | ||
4347 | p = xdr_inline_decode(xdr, 4); | |
4348 | if (unlikely(!p)) | |
4349 | goto out_overflow; | |
4350 | num = be32_to_cpup(p); | |
4351 | ||
4352 | /* pNFS is not supported by the underlying file system */ | |
4353 | if (num == 0) { | |
4354 | *layouttype = 0; | |
4355 | return 0; | |
4356 | } | |
4357 | if (num > 1) | |
a030889a WAA |
4358 | printk(KERN_INFO "NFS: %s: Warning: Multiple pNFS layout " |
4359 | "drivers per filesystem not supported\n", __func__); | |
504913fb AA |
4360 | |
4361 | /* Decode and set first layout type, move xdr->p past unused types */ | |
4362 | p = xdr_inline_decode(xdr, num * 4); | |
4363 | if (unlikely(!p)) | |
4364 | goto out_overflow; | |
4365 | *layouttype = be32_to_cpup(p); | |
4366 | return 0; | |
4367 | out_overflow: | |
4368 | print_overflow_msg(__func__, xdr); | |
4369 | return -EIO; | |
4370 | } | |
4371 | ||
4372 | /* | |
4373 | * The type of file system exported. | |
4374 | * Note we must ensure that layouttype is set in any non-error case. | |
4375 | */ | |
4376 | static int decode_attr_pnfstype(struct xdr_stream *xdr, uint32_t *bitmap, | |
4377 | uint32_t *layouttype) | |
4378 | { | |
4379 | int status = 0; | |
4380 | ||
4381 | dprintk("%s: bitmap is %x\n", __func__, bitmap[1]); | |
4382 | if (unlikely(bitmap[1] & (FATTR4_WORD1_FS_LAYOUT_TYPES - 1U))) | |
4383 | return -EIO; | |
4384 | if (bitmap[1] & FATTR4_WORD1_FS_LAYOUT_TYPES) { | |
4385 | status = decode_first_pnfs_layout_type(xdr, layouttype); | |
4386 | bitmap[1] &= ~FATTR4_WORD1_FS_LAYOUT_TYPES; | |
4387 | } else | |
4388 | *layouttype = 0; | |
4389 | return status; | |
4390 | } | |
4391 | ||
dae100c2 FI |
4392 | /* |
4393 | * The prefered block size for layout directed io | |
4394 | */ | |
4395 | static int decode_attr_layout_blksize(struct xdr_stream *xdr, uint32_t *bitmap, | |
4396 | uint32_t *res) | |
4397 | { | |
4398 | __be32 *p; | |
4399 | ||
4400 | dprintk("%s: bitmap is %x\n", __func__, bitmap[2]); | |
4401 | *res = 0; | |
4402 | if (bitmap[2] & FATTR4_WORD2_LAYOUT_BLKSIZE) { | |
4403 | p = xdr_inline_decode(xdr, 4); | |
4404 | if (unlikely(!p)) { | |
4405 | print_overflow_msg(__func__, xdr); | |
4406 | return -EIO; | |
4407 | } | |
4408 | *res = be32_to_cpup(p); | |
4409 | bitmap[2] &= ~FATTR4_WORD2_LAYOUT_BLKSIZE; | |
4410 | } | |
4411 | return 0; | |
4412 | } | |
4413 | ||
1da177e4 LT |
4414 | static int decode_fsinfo(struct xdr_stream *xdr, struct nfs_fsinfo *fsinfo) |
4415 | { | |
8687b63a | 4416 | __be32 *savep; |
dae100c2 | 4417 | uint32_t attrlen, bitmap[3]; |
1da177e4 LT |
4418 | int status; |
4419 | ||
4420 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
4421 | goto xdr_error; | |
4422 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4423 | goto xdr_error; | |
4424 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4425 | goto xdr_error; | |
4426 | ||
4427 | fsinfo->rtmult = fsinfo->wtmult = 512; /* ??? */ | |
4428 | ||
4429 | if ((status = decode_attr_lease_time(xdr, bitmap, &fsinfo->lease_time)) != 0) | |
4430 | goto xdr_error; | |
4431 | if ((status = decode_attr_maxfilesize(xdr, bitmap, &fsinfo->maxfilesize)) != 0) | |
4432 | goto xdr_error; | |
4433 | if ((status = decode_attr_maxread(xdr, bitmap, &fsinfo->rtmax)) != 0) | |
4434 | goto xdr_error; | |
4435 | fsinfo->rtpref = fsinfo->dtpref = fsinfo->rtmax; | |
4436 | if ((status = decode_attr_maxwrite(xdr, bitmap, &fsinfo->wtmax)) != 0) | |
4437 | goto xdr_error; | |
4438 | fsinfo->wtpref = fsinfo->wtmax; | |
55b6e774 | 4439 | status = decode_attr_time_delta(xdr, bitmap, &fsinfo->time_delta); |
504913fb AA |
4440 | if (status != 0) |
4441 | goto xdr_error; | |
4442 | status = decode_attr_pnfstype(xdr, bitmap, &fsinfo->layouttype); | |
55b6e774 RL |
4443 | if (status != 0) |
4444 | goto xdr_error; | |
dae100c2 FI |
4445 | status = decode_attr_layout_blksize(xdr, bitmap, &fsinfo->blksize); |
4446 | if (status) | |
4447 | goto xdr_error; | |
1da177e4 LT |
4448 | |
4449 | status = verify_attr_len(xdr, savep, attrlen); | |
4450 | xdr_error: | |
3110ff80 | 4451 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4452 | return status; |
4453 | } | |
4454 | ||
4455 | static int decode_getfh(struct xdr_stream *xdr, struct nfs_fh *fh) | |
4456 | { | |
8687b63a | 4457 | __be32 *p; |
1da177e4 LT |
4458 | uint32_t len; |
4459 | int status; | |
4460 | ||
9936781d TM |
4461 | /* Zero handle first to allow comparisons */ |
4462 | memset(fh, 0, sizeof(*fh)); | |
4463 | ||
1da177e4 LT |
4464 | status = decode_op_hdr(xdr, OP_GETFH); |
4465 | if (status) | |
4466 | return status; | |
1da177e4 | 4467 | |
c0eae66e BH |
4468 | p = xdr_inline_decode(xdr, 4); |
4469 | if (unlikely(!p)) | |
4470 | goto out_overflow; | |
cccddf4f | 4471 | len = be32_to_cpup(p); |
1da177e4 LT |
4472 | if (len > NFS4_FHSIZE) |
4473 | return -EIO; | |
4474 | fh->size = len; | |
c0eae66e BH |
4475 | p = xdr_inline_decode(xdr, len); |
4476 | if (unlikely(!p)) | |
4477 | goto out_overflow; | |
99398d06 | 4478 | memcpy(fh->data, p, len); |
1da177e4 | 4479 | return 0; |
c0eae66e BH |
4480 | out_overflow: |
4481 | print_overflow_msg(__func__, xdr); | |
4482 | return -EIO; | |
1da177e4 LT |
4483 | } |
4484 | ||
4485 | static int decode_link(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4486 | { | |
4487 | int status; | |
6c0195a4 | 4488 | |
1da177e4 LT |
4489 | status = decode_op_hdr(xdr, OP_LINK); |
4490 | if (status) | |
4491 | return status; | |
4492 | return decode_change_info(xdr, cinfo); | |
4493 | } | |
4494 | ||
4495 | /* | |
4496 | * We create the owner, so we know a proper owner.id length is 4. | |
4497 | */ | |
911d1aaf | 4498 | static int decode_lock_denied (struct xdr_stream *xdr, struct file_lock *fl) |
1da177e4 | 4499 | { |
911d1aaf | 4500 | uint64_t offset, length, clientid; |
8687b63a | 4501 | __be32 *p; |
911d1aaf | 4502 | uint32_t namelen, type; |
1da177e4 | 4503 | |
babddc72 | 4504 | p = xdr_inline_decode(xdr, 32); /* read 32 bytes */ |
c0eae66e BH |
4505 | if (unlikely(!p)) |
4506 | goto out_overflow; | |
babddc72 | 4507 | p = xdr_decode_hyper(p, &offset); /* read 2 8-byte long words */ |
3ceb4dbb | 4508 | p = xdr_decode_hyper(p, &length); |
babddc72 BS |
4509 | type = be32_to_cpup(p++); /* 4 byte read */ |
4510 | if (fl != NULL) { /* manipulate file lock */ | |
911d1aaf TM |
4511 | fl->fl_start = (loff_t)offset; |
4512 | fl->fl_end = fl->fl_start + (loff_t)length - 1; | |
4513 | if (length == ~(uint64_t)0) | |
4514 | fl->fl_end = OFFSET_MAX; | |
4515 | fl->fl_type = F_WRLCK; | |
4516 | if (type & 1) | |
4517 | fl->fl_type = F_RDLCK; | |
4518 | fl->fl_pid = 0; | |
4519 | } | |
babddc72 BS |
4520 | p = xdr_decode_hyper(p, &clientid); /* read 8 bytes */ |
4521 | namelen = be32_to_cpup(p); /* read 4 bytes */ /* have read all 32 bytes now */ | |
4522 | p = xdr_inline_decode(xdr, namelen); /* variable size field */ | |
c0eae66e BH |
4523 | if (likely(p)) |
4524 | return -NFS4ERR_DENIED; | |
4525 | out_overflow: | |
4526 | print_overflow_msg(__func__, xdr); | |
4527 | return -EIO; | |
1da177e4 LT |
4528 | } |
4529 | ||
911d1aaf | 4530 | static int decode_lock(struct xdr_stream *xdr, struct nfs_lock_res *res) |
1da177e4 | 4531 | { |
1da177e4 LT |
4532 | int status; |
4533 | ||
4534 | status = decode_op_hdr(xdr, OP_LOCK); | |
c1d51931 TM |
4535 | if (status == -EIO) |
4536 | goto out; | |
1da177e4 | 4537 | if (status == 0) { |
07d30434 BH |
4538 | status = decode_stateid(xdr, &res->stateid); |
4539 | if (unlikely(status)) | |
4540 | goto out; | |
1da177e4 | 4541 | } else if (status == -NFS4ERR_DENIED) |
c1d51931 TM |
4542 | status = decode_lock_denied(xdr, NULL); |
4543 | if (res->open_seqid != NULL) | |
4544 | nfs_increment_open_seqid(status, res->open_seqid); | |
4545 | nfs_increment_lock_seqid(status, res->lock_seqid); | |
4546 | out: | |
1da177e4 LT |
4547 | return status; |
4548 | } | |
4549 | ||
911d1aaf | 4550 | static int decode_lockt(struct xdr_stream *xdr, struct nfs_lockt_res *res) |
1da177e4 LT |
4551 | { |
4552 | int status; | |
4553 | status = decode_op_hdr(xdr, OP_LOCKT); | |
4554 | if (status == -NFS4ERR_DENIED) | |
911d1aaf | 4555 | return decode_lock_denied(xdr, res->denied); |
1da177e4 LT |
4556 | return status; |
4557 | } | |
4558 | ||
911d1aaf | 4559 | static int decode_locku(struct xdr_stream *xdr, struct nfs_locku_res *res) |
1da177e4 | 4560 | { |
1da177e4 LT |
4561 | int status; |
4562 | ||
4563 | status = decode_op_hdr(xdr, OP_LOCKU); | |
c1d51931 TM |
4564 | if (status != -EIO) |
4565 | nfs_increment_lock_seqid(status, res->seqid); | |
07d30434 BH |
4566 | if (status == 0) |
4567 | status = decode_stateid(xdr, &res->stateid); | |
1da177e4 LT |
4568 | return status; |
4569 | } | |
4570 | ||
d3c7b7cc TM |
4571 | static int decode_release_lockowner(struct xdr_stream *xdr) |
4572 | { | |
4573 | return decode_op_hdr(xdr, OP_RELEASE_LOCKOWNER); | |
4574 | } | |
4575 | ||
1da177e4 LT |
4576 | static int decode_lookup(struct xdr_stream *xdr) |
4577 | { | |
4578 | return decode_op_hdr(xdr, OP_LOOKUP); | |
4579 | } | |
4580 | ||
4581 | /* This is too sick! */ | |
4582 | static int decode_space_limit(struct xdr_stream *xdr, u64 *maxsize) | |
4583 | { | |
05d564fe | 4584 | __be32 *p; |
1da177e4 LT |
4585 | uint32_t limit_type, nblocks, blocksize; |
4586 | ||
c0eae66e BH |
4587 | p = xdr_inline_decode(xdr, 12); |
4588 | if (unlikely(!p)) | |
4589 | goto out_overflow; | |
6f723f77 | 4590 | limit_type = be32_to_cpup(p++); |
1da177e4 | 4591 | switch (limit_type) { |
05d564fe | 4592 | case 1: |
cccddf4f | 4593 | xdr_decode_hyper(p, maxsize); |
05d564fe AA |
4594 | break; |
4595 | case 2: | |
6f723f77 | 4596 | nblocks = be32_to_cpup(p++); |
cccddf4f | 4597 | blocksize = be32_to_cpup(p); |
05d564fe | 4598 | *maxsize = (uint64_t)nblocks * (uint64_t)blocksize; |
1da177e4 LT |
4599 | } |
4600 | return 0; | |
c0eae66e BH |
4601 | out_overflow: |
4602 | print_overflow_msg(__func__, xdr); | |
4603 | return -EIO; | |
1da177e4 LT |
4604 | } |
4605 | ||
4606 | static int decode_delegation(struct xdr_stream *xdr, struct nfs_openres *res) | |
4607 | { | |
05d564fe AA |
4608 | __be32 *p; |
4609 | uint32_t delegation_type; | |
07d30434 | 4610 | int status; |
1da177e4 | 4611 | |
c0eae66e BH |
4612 | p = xdr_inline_decode(xdr, 4); |
4613 | if (unlikely(!p)) | |
4614 | goto out_overflow; | |
cccddf4f | 4615 | delegation_type = be32_to_cpup(p); |
1da177e4 LT |
4616 | if (delegation_type == NFS4_OPEN_DELEGATE_NONE) { |
4617 | res->delegation_type = 0; | |
4618 | return 0; | |
4619 | } | |
07d30434 BH |
4620 | status = decode_stateid(xdr, &res->delegation); |
4621 | if (unlikely(status)) | |
4622 | return status; | |
c0eae66e BH |
4623 | p = xdr_inline_decode(xdr, 4); |
4624 | if (unlikely(!p)) | |
4625 | goto out_overflow; | |
cccddf4f | 4626 | res->do_recall = be32_to_cpup(p); |
05d564fe | 4627 | |
1da177e4 | 4628 | switch (delegation_type) { |
05d564fe AA |
4629 | case NFS4_OPEN_DELEGATE_READ: |
4630 | res->delegation_type = FMODE_READ; | |
4631 | break; | |
4632 | case NFS4_OPEN_DELEGATE_WRITE: | |
4633 | res->delegation_type = FMODE_WRITE|FMODE_READ; | |
4634 | if (decode_space_limit(xdr, &res->maxsize) < 0) | |
1da177e4 LT |
4635 | return -EIO; |
4636 | } | |
7539bbab | 4637 | return decode_ace(xdr, NULL, res->server->nfs_client); |
c0eae66e BH |
4638 | out_overflow: |
4639 | print_overflow_msg(__func__, xdr); | |
4640 | return -EIO; | |
1da177e4 LT |
4641 | } |
4642 | ||
4643 | static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res) | |
4644 | { | |
05d564fe | 4645 | __be32 *p; |
aa53ed54 | 4646 | uint32_t savewords, bmlen, i; |
05d564fe | 4647 | int status; |
1da177e4 | 4648 | |
05d564fe | 4649 | status = decode_op_hdr(xdr, OP_OPEN); |
c1d51931 TM |
4650 | if (status != -EIO) |
4651 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4652 | if (!status) |
4653 | status = decode_stateid(xdr, &res->stateid); | |
4654 | if (unlikely(status)) | |
05d564fe | 4655 | return status; |
1da177e4 | 4656 | |
05d564fe | 4657 | decode_change_info(xdr, &res->cinfo); |
1da177e4 | 4658 | |
c0eae66e BH |
4659 | p = xdr_inline_decode(xdr, 8); |
4660 | if (unlikely(!p)) | |
4661 | goto out_overflow; | |
6f723f77 | 4662 | res->rflags = be32_to_cpup(p++); |
cccddf4f | 4663 | bmlen = be32_to_cpup(p); |
05d564fe AA |
4664 | if (bmlen > 10) |
4665 | goto xdr_error; | |
1da177e4 | 4666 | |
c0eae66e BH |
4667 | p = xdr_inline_decode(xdr, bmlen << 2); |
4668 | if (unlikely(!p)) | |
4669 | goto out_overflow; | |
aa53ed54 JL |
4670 | savewords = min_t(uint32_t, bmlen, NFS4_BITMAP_SIZE); |
4671 | for (i = 0; i < savewords; ++i) | |
6f723f77 | 4672 | res->attrset[i] = be32_to_cpup(p++); |
aa53ed54 JL |
4673 | for (; i < NFS4_BITMAP_SIZE; i++) |
4674 | res->attrset[i] = 0; | |
4675 | ||
1da177e4 LT |
4676 | return decode_delegation(xdr, res); |
4677 | xdr_error: | |
3110ff80 | 4678 | dprintk("%s: Bitmap too large! Length = %u\n", __func__, bmlen); |
1da177e4 | 4679 | return -EIO; |
c0eae66e BH |
4680 | out_overflow: |
4681 | print_overflow_msg(__func__, xdr); | |
4682 | return -EIO; | |
1da177e4 LT |
4683 | } |
4684 | ||
4685 | static int decode_open_confirm(struct xdr_stream *xdr, struct nfs_open_confirmres *res) | |
4686 | { | |
1da177e4 LT |
4687 | int status; |
4688 | ||
05d564fe | 4689 | status = decode_op_hdr(xdr, OP_OPEN_CONFIRM); |
c1d51931 TM |
4690 | if (status != -EIO) |
4691 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4692 | if (!status) |
4693 | status = decode_stateid(xdr, &res->stateid); | |
4694 | return status; | |
1da177e4 LT |
4695 | } |
4696 | ||
4697 | static int decode_open_downgrade(struct xdr_stream *xdr, struct nfs_closeres *res) | |
4698 | { | |
1da177e4 LT |
4699 | int status; |
4700 | ||
4701 | status = decode_op_hdr(xdr, OP_OPEN_DOWNGRADE); | |
c1d51931 TM |
4702 | if (status != -EIO) |
4703 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4704 | if (!status) |
4705 | status = decode_stateid(xdr, &res->stateid); | |
4706 | return status; | |
1da177e4 LT |
4707 | } |
4708 | ||
4709 | static int decode_putfh(struct xdr_stream *xdr) | |
4710 | { | |
4711 | return decode_op_hdr(xdr, OP_PUTFH); | |
4712 | } | |
4713 | ||
4714 | static int decode_putrootfh(struct xdr_stream *xdr) | |
4715 | { | |
4716 | return decode_op_hdr(xdr, OP_PUTROOTFH); | |
4717 | } | |
4718 | ||
4719 | static int decode_read(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs_readres *res) | |
4720 | { | |
4721 | struct kvec *iov = req->rq_rcv_buf.head; | |
8687b63a | 4722 | __be32 *p; |
1da177e4 LT |
4723 | uint32_t count, eof, recvd, hdrlen; |
4724 | int status; | |
4725 | ||
4726 | status = decode_op_hdr(xdr, OP_READ); | |
4727 | if (status) | |
4728 | return status; | |
c0eae66e BH |
4729 | p = xdr_inline_decode(xdr, 8); |
4730 | if (unlikely(!p)) | |
4731 | goto out_overflow; | |
6f723f77 | 4732 | eof = be32_to_cpup(p++); |
cccddf4f | 4733 | count = be32_to_cpup(p); |
8111f373 | 4734 | hdrlen = (u8 *) xdr->p - (u8 *) iov->iov_base; |
1da177e4 LT |
4735 | recvd = req->rq_rcv_buf.len - hdrlen; |
4736 | if (count > recvd) { | |
fe82a183 | 4737 | dprintk("NFS: server cheating in read reply: " |
1da177e4 LT |
4738 | "count %u > recvd %u\n", count, recvd); |
4739 | count = recvd; | |
4740 | eof = 0; | |
4741 | } | |
4742 | xdr_read_pages(xdr, count); | |
4743 | res->eof = eof; | |
4744 | res->count = count; | |
4745 | return 0; | |
c0eae66e BH |
4746 | out_overflow: |
4747 | print_overflow_msg(__func__, xdr); | |
4748 | return -EIO; | |
1da177e4 LT |
4749 | } |
4750 | ||
4751 | static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs4_readdir_res *readdir) | |
4752 | { | |
4753 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; | |
1da177e4 | 4754 | struct kvec *iov = rcvbuf->head; |
bcecff77 CL |
4755 | size_t hdrlen; |
4756 | u32 recvd, pglen = rcvbuf->page_len; | |
bcecff77 | 4757 | int status; |
cd93710e | 4758 | __be32 verf[2]; |
1da177e4 LT |
4759 | |
4760 | status = decode_op_hdr(xdr, OP_READDIR); | |
db942bbd BH |
4761 | if (!status) |
4762 | status = decode_verifier(xdr, readdir->verifier.data); | |
4763 | if (unlikely(status)) | |
1da177e4 | 4764 | return status; |
cd93710e | 4765 | memcpy(verf, readdir->verifier.data, sizeof(verf)); |
44109241 | 4766 | dprintk("%s: verifier = %08x:%08x\n", |
cd93710e | 4767 | __func__, verf[0], verf[1]); |
1da177e4 | 4768 | |
db942bbd | 4769 | hdrlen = (char *) xdr->p - (char *) iov->iov_base; |
1da177e4 LT |
4770 | recvd = rcvbuf->len - hdrlen; |
4771 | if (pglen > recvd) | |
4772 | pglen = recvd; | |
4773 | xdr_read_pages(xdr, pglen); | |
4774 | ||
afa8ccc9 | 4775 | |
ac396128 | 4776 | return pglen; |
1da177e4 LT |
4777 | } |
4778 | ||
4779 | static int decode_readlink(struct xdr_stream *xdr, struct rpc_rqst *req) | |
4780 | { | |
4781 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; | |
4782 | struct kvec *iov = rcvbuf->head; | |
bcecff77 CL |
4783 | size_t hdrlen; |
4784 | u32 len, recvd; | |
8687b63a | 4785 | __be32 *p; |
1da177e4 LT |
4786 | int status; |
4787 | ||
4788 | status = decode_op_hdr(xdr, OP_READLINK); | |
4789 | if (status) | |
4790 | return status; | |
4791 | ||
4792 | /* Convert length of symlink */ | |
c0eae66e BH |
4793 | p = xdr_inline_decode(xdr, 4); |
4794 | if (unlikely(!p)) | |
4795 | goto out_overflow; | |
cccddf4f | 4796 | len = be32_to_cpup(p); |
1da177e4 | 4797 | if (len >= rcvbuf->page_len || len <= 0) { |
fe82a183 | 4798 | dprintk("nfs: server returned giant symlink!\n"); |
1da177e4 LT |
4799 | return -ENAMETOOLONG; |
4800 | } | |
4801 | hdrlen = (char *) xdr->p - (char *) iov->iov_base; | |
4802 | recvd = req->rq_rcv_buf.len - hdrlen; | |
4803 | if (recvd < len) { | |
fe82a183 | 4804 | dprintk("NFS: server cheating in readlink reply: " |
1da177e4 LT |
4805 | "count %u > recvd %u\n", len, recvd); |
4806 | return -EIO; | |
4807 | } | |
4808 | xdr_read_pages(xdr, len); | |
4809 | /* | |
4810 | * The XDR encode routine has set things up so that | |
4811 | * the link text will be copied directly into the | |
4812 | * buffer. We just have to do overflow-checking, | |
4813 | * and and null-terminate the text (the VFS expects | |
4814 | * null-termination). | |
4815 | */ | |
b4687da7 | 4816 | xdr_terminate_string(rcvbuf, len); |
1da177e4 | 4817 | return 0; |
c0eae66e BH |
4818 | out_overflow: |
4819 | print_overflow_msg(__func__, xdr); | |
4820 | return -EIO; | |
1da177e4 LT |
4821 | } |
4822 | ||
4823 | static int decode_remove(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4824 | { | |
4825 | int status; | |
4826 | ||
4827 | status = decode_op_hdr(xdr, OP_REMOVE); | |
4828 | if (status) | |
4829 | goto out; | |
4830 | status = decode_change_info(xdr, cinfo); | |
4831 | out: | |
4832 | return status; | |
4833 | } | |
4834 | ||
4835 | static int decode_rename(struct xdr_stream *xdr, struct nfs4_change_info *old_cinfo, | |
4836 | struct nfs4_change_info *new_cinfo) | |
4837 | { | |
4838 | int status; | |
4839 | ||
4840 | status = decode_op_hdr(xdr, OP_RENAME); | |
4841 | if (status) | |
4842 | goto out; | |
4843 | if ((status = decode_change_info(xdr, old_cinfo))) | |
4844 | goto out; | |
4845 | status = decode_change_info(xdr, new_cinfo); | |
4846 | out: | |
4847 | return status; | |
4848 | } | |
4849 | ||
4850 | static int decode_renew(struct xdr_stream *xdr) | |
4851 | { | |
4852 | return decode_op_hdr(xdr, OP_RENEW); | |
4853 | } | |
4854 | ||
56ae19f3 TM |
4855 | static int |
4856 | decode_restorefh(struct xdr_stream *xdr) | |
4857 | { | |
4858 | return decode_op_hdr(xdr, OP_RESTOREFH); | |
4859 | } | |
4860 | ||
029d105e | 4861 | static int decode_getacl(struct xdr_stream *xdr, struct rpc_rqst *req, |
bf118a34 | 4862 | struct nfs_getaclres *res) |
029d105e | 4863 | { |
bf118a34 | 4864 | __be32 *savep, *bm_p; |
029d105e | 4865 | uint32_t attrlen, |
dae100c2 | 4866 | bitmap[3] = {0}; |
029d105e BF |
4867 | struct kvec *iov = req->rq_rcv_buf.head; |
4868 | int status; | |
5a006899 | 4869 | size_t page_len = xdr->buf->page_len; |
029d105e | 4870 | |
bf118a34 | 4871 | res->acl_len = 0; |
029d105e BF |
4872 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
4873 | goto out; | |
5a006899 | 4874 | |
bf118a34 | 4875 | bm_p = xdr->p; |
5a006899 SP |
4876 | res->acl_data_offset = be32_to_cpup(bm_p) + 2; |
4877 | res->acl_data_offset <<= 2; | |
4878 | /* Check if the acl data starts beyond the allocated buffer */ | |
4879 | if (res->acl_data_offset > page_len) | |
4880 | return -ERANGE; | |
4881 | ||
029d105e BF |
4882 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) |
4883 | goto out; | |
4884 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4885 | goto out; | |
4886 | ||
4887 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACL - 1U))) | |
4888 | return -EIO; | |
4889 | if (likely(bitmap[0] & FATTR4_WORD0_ACL)) { | |
bcecff77 | 4890 | size_t hdrlen; |
029d105e | 4891 | |
bf118a34 AA |
4892 | /* The bitmap (xdr len + bitmaps) and the attr xdr len words |
4893 | * are stored with the acl data to handle the problem of | |
4894 | * variable length bitmaps.*/ | |
4895 | xdr->p = bm_p; | |
bf118a34 | 4896 | |
029d105e BF |
4897 | /* We ignore &savep and don't do consistency checks on |
4898 | * the attr length. Let userspace figure it out.... */ | |
4899 | hdrlen = (u8 *)xdr->p - (u8 *)iov->iov_base; | |
bf118a34 | 4900 | attrlen += res->acl_data_offset; |
5a006899 | 4901 | if (attrlen > page_len) { |
bf118a34 AA |
4902 | if (res->acl_flags & NFS4_ACL_LEN_REQUEST) { |
4903 | /* getxattr interface called with a NULL buf */ | |
4904 | res->acl_len = attrlen; | |
4905 | goto out; | |
4906 | } | |
5794d21e | 4907 | dprintk("NFS: acl reply: attrlen %u > page_len %zu\n", |
5a006899 | 4908 | attrlen, page_len); |
029d105e BF |
4909 | return -EINVAL; |
4910 | } | |
c04871e6 | 4911 | xdr_read_pages(xdr, attrlen); |
bf118a34 | 4912 | res->acl_len = attrlen; |
8c233cf9 BF |
4913 | } else |
4914 | status = -EOPNOTSUPP; | |
029d105e BF |
4915 | |
4916 | out: | |
4917 | return status; | |
4918 | } | |
4919 | ||
1da177e4 LT |
4920 | static int |
4921 | decode_savefh(struct xdr_stream *xdr) | |
4922 | { | |
4923 | return decode_op_hdr(xdr, OP_SAVEFH); | |
4924 | } | |
4925 | ||
9e9ecc03 | 4926 | static int decode_setattr(struct xdr_stream *xdr) |
1da177e4 | 4927 | { |
8687b63a | 4928 | __be32 *p; |
1da177e4 LT |
4929 | uint32_t bmlen; |
4930 | int status; | |
4931 | ||
1da177e4 LT |
4932 | status = decode_op_hdr(xdr, OP_SETATTR); |
4933 | if (status) | |
4934 | return status; | |
c0eae66e BH |
4935 | p = xdr_inline_decode(xdr, 4); |
4936 | if (unlikely(!p)) | |
4937 | goto out_overflow; | |
cccddf4f | 4938 | bmlen = be32_to_cpup(p); |
c0eae66e BH |
4939 | p = xdr_inline_decode(xdr, bmlen << 2); |
4940 | if (likely(p)) | |
4941 | return 0; | |
4942 | out_overflow: | |
4943 | print_overflow_msg(__func__, xdr); | |
4944 | return -EIO; | |
1da177e4 LT |
4945 | } |
4946 | ||
bb8b27e5 | 4947 | static int decode_setclientid(struct xdr_stream *xdr, struct nfs4_setclientid_res *res) |
1da177e4 | 4948 | { |
8687b63a | 4949 | __be32 *p; |
1da177e4 LT |
4950 | uint32_t opnum; |
4951 | int32_t nfserr; | |
4952 | ||
c0eae66e BH |
4953 | p = xdr_inline_decode(xdr, 8); |
4954 | if (unlikely(!p)) | |
4955 | goto out_overflow; | |
6f723f77 | 4956 | opnum = be32_to_cpup(p++); |
1da177e4 | 4957 | if (opnum != OP_SETCLIENTID) { |
fe82a183 | 4958 | dprintk("nfs: decode_setclientid: Server returned operation" |
6c0195a4 | 4959 | " %d\n", opnum); |
1da177e4 LT |
4960 | return -EIO; |
4961 | } | |
cccddf4f | 4962 | nfserr = be32_to_cpup(p); |
1da177e4 | 4963 | if (nfserr == NFS_OK) { |
c0eae66e BH |
4964 | p = xdr_inline_decode(xdr, 8 + NFS4_VERIFIER_SIZE); |
4965 | if (unlikely(!p)) | |
4966 | goto out_overflow; | |
bb8b27e5 TM |
4967 | p = xdr_decode_hyper(p, &res->clientid); |
4968 | memcpy(res->confirm.data, p, NFS4_VERIFIER_SIZE); | |
1da177e4 LT |
4969 | } else if (nfserr == NFSERR_CLID_INUSE) { |
4970 | uint32_t len; | |
4971 | ||
4972 | /* skip netid string */ | |
c0eae66e BH |
4973 | p = xdr_inline_decode(xdr, 4); |
4974 | if (unlikely(!p)) | |
4975 | goto out_overflow; | |
cccddf4f | 4976 | len = be32_to_cpup(p); |
c0eae66e BH |
4977 | p = xdr_inline_decode(xdr, len); |
4978 | if (unlikely(!p)) | |
4979 | goto out_overflow; | |
1da177e4 LT |
4980 | |
4981 | /* skip uaddr string */ | |
c0eae66e BH |
4982 | p = xdr_inline_decode(xdr, 4); |
4983 | if (unlikely(!p)) | |
4984 | goto out_overflow; | |
cccddf4f | 4985 | len = be32_to_cpup(p); |
c0eae66e BH |
4986 | p = xdr_inline_decode(xdr, len); |
4987 | if (unlikely(!p)) | |
4988 | goto out_overflow; | |
1da177e4 LT |
4989 | return -NFSERR_CLID_INUSE; |
4990 | } else | |
856dff3d | 4991 | return nfs4_stat_to_errno(nfserr); |
1da177e4 LT |
4992 | |
4993 | return 0; | |
c0eae66e BH |
4994 | out_overflow: |
4995 | print_overflow_msg(__func__, xdr); | |
4996 | return -EIO; | |
1da177e4 LT |
4997 | } |
4998 | ||
4999 | static int decode_setclientid_confirm(struct xdr_stream *xdr) | |
5000 | { | |
5001 | return decode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM); | |
5002 | } | |
5003 | ||
5004 | static int decode_write(struct xdr_stream *xdr, struct nfs_writeres *res) | |
5005 | { | |
8687b63a | 5006 | __be32 *p; |
1da177e4 LT |
5007 | int status; |
5008 | ||
5009 | status = decode_op_hdr(xdr, OP_WRITE); | |
5010 | if (status) | |
5011 | return status; | |
5012 | ||
c0eae66e BH |
5013 | p = xdr_inline_decode(xdr, 16); |
5014 | if (unlikely(!p)) | |
5015 | goto out_overflow; | |
6f723f77 BH |
5016 | res->count = be32_to_cpup(p++); |
5017 | res->verf->committed = be32_to_cpup(p++); | |
cd93710e | 5018 | memcpy(res->verf->verifier, p, NFS4_VERIFIER_SIZE); |
1da177e4 | 5019 | return 0; |
c0eae66e BH |
5020 | out_overflow: |
5021 | print_overflow_msg(__func__, xdr); | |
5022 | return -EIO; | |
1da177e4 LT |
5023 | } |
5024 | ||
5025 | static int decode_delegreturn(struct xdr_stream *xdr) | |
5026 | { | |
5027 | return decode_op_hdr(xdr, OP_DELEGRETURN); | |
5028 | } | |
5029 | ||
5a5ea0d4 BS |
5030 | static int decode_secinfo_gss(struct xdr_stream *xdr, struct nfs4_secinfo_flavor *flavor) |
5031 | { | |
5032 | __be32 *p; | |
5033 | ||
5034 | p = xdr_inline_decode(xdr, 4); | |
5035 | if (unlikely(!p)) | |
5036 | goto out_overflow; | |
5037 | flavor->gss.sec_oid4.len = be32_to_cpup(p); | |
5038 | if (flavor->gss.sec_oid4.len > GSS_OID_MAX_LEN) | |
5039 | goto out_err; | |
5040 | ||
5041 | p = xdr_inline_decode(xdr, flavor->gss.sec_oid4.len); | |
5042 | if (unlikely(!p)) | |
5043 | goto out_overflow; | |
5044 | memcpy(flavor->gss.sec_oid4.data, p, flavor->gss.sec_oid4.len); | |
5045 | ||
5046 | p = xdr_inline_decode(xdr, 8); | |
5047 | if (unlikely(!p)) | |
5048 | goto out_overflow; | |
5049 | flavor->gss.qop4 = be32_to_cpup(p++); | |
5050 | flavor->gss.service = be32_to_cpup(p); | |
5051 | ||
5052 | return 0; | |
5053 | ||
5054 | out_overflow: | |
5055 | print_overflow_msg(__func__, xdr); | |
5056 | return -EIO; | |
5057 | out_err: | |
5058 | return -EINVAL; | |
5059 | } | |
5060 | ||
31e4dda4 | 5061 | static int decode_secinfo_common(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
5a5ea0d4 BS |
5062 | { |
5063 | struct nfs4_secinfo_flavor *sec_flavor; | |
5064 | int status; | |
5065 | __be32 *p; | |
c3dfc280 | 5066 | int i, num_flavors; |
5a5ea0d4 | 5067 | |
5a5ea0d4 BS |
5068 | p = xdr_inline_decode(xdr, 4); |
5069 | if (unlikely(!p)) | |
5070 | goto out_overflow; | |
5a5ea0d4 | 5071 | |
c3dfc280 BS |
5072 | res->flavors->num_flavors = 0; |
5073 | num_flavors = be32_to_cpup(p); | |
5074 | ||
5075 | for (i = 0; i < num_flavors; i++) { | |
5a5ea0d4 | 5076 | sec_flavor = &res->flavors->flavors[i]; |
c3dfc280 | 5077 | if ((char *)&sec_flavor[1] - (char *)res->flavors > PAGE_SIZE) |
5a5ea0d4 BS |
5078 | break; |
5079 | ||
5080 | p = xdr_inline_decode(xdr, 4); | |
5081 | if (unlikely(!p)) | |
5082 | goto out_overflow; | |
5083 | sec_flavor->flavor = be32_to_cpup(p); | |
5084 | ||
5085 | if (sec_flavor->flavor == RPC_AUTH_GSS) { | |
613e901e BS |
5086 | status = decode_secinfo_gss(xdr, sec_flavor); |
5087 | if (status) | |
5088 | goto out; | |
5a5ea0d4 | 5089 | } |
c3dfc280 | 5090 | res->flavors->num_flavors++; |
5a5ea0d4 BS |
5091 | } |
5092 | ||
31e4dda4 | 5093 | status = 0; |
613e901e BS |
5094 | out: |
5095 | return status; | |
5a5ea0d4 BS |
5096 | out_overflow: |
5097 | print_overflow_msg(__func__, xdr); | |
5098 | return -EIO; | |
5099 | } | |
5100 | ||
31e4dda4 BS |
5101 | static int decode_secinfo(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
5102 | { | |
5103 | int status = decode_op_hdr(xdr, OP_SECINFO); | |
5104 | if (status) | |
5105 | return status; | |
5106 | return decode_secinfo_common(xdr, res); | |
5107 | } | |
5108 | ||
99fe60d0 | 5109 | #if defined(CONFIG_NFS_V4_1) |
31e4dda4 BS |
5110 | static int decode_secinfo_no_name(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
5111 | { | |
5112 | int status = decode_op_hdr(xdr, OP_SECINFO_NO_NAME); | |
5113 | if (status) | |
5114 | return status; | |
5115 | return decode_secinfo_common(xdr, res); | |
5116 | } | |
5117 | ||
99fe60d0 BH |
5118 | static int decode_exchange_id(struct xdr_stream *xdr, |
5119 | struct nfs41_exchange_id_res *res) | |
5120 | { | |
5121 | __be32 *p; | |
5122 | uint32_t dummy; | |
2460ba57 | 5123 | char *dummy_str; |
99fe60d0 BH |
5124 | int status; |
5125 | struct nfs_client *clp = res->client; | |
7d2ed9ac | 5126 | uint32_t impl_id_count; |
99fe60d0 BH |
5127 | |
5128 | status = decode_op_hdr(xdr, OP_EXCHANGE_ID); | |
5129 | if (status) | |
5130 | return status; | |
5131 | ||
c0eae66e BH |
5132 | p = xdr_inline_decode(xdr, 8); |
5133 | if (unlikely(!p)) | |
5134 | goto out_overflow; | |
114f64b5 | 5135 | xdr_decode_hyper(p, &clp->cl_clientid); |
c0eae66e BH |
5136 | p = xdr_inline_decode(xdr, 12); |
5137 | if (unlikely(!p)) | |
5138 | goto out_overflow; | |
6f723f77 BH |
5139 | clp->cl_seqid = be32_to_cpup(p++); |
5140 | clp->cl_exchange_flags = be32_to_cpup(p++); | |
99fe60d0 BH |
5141 | |
5142 | /* We ask for SP4_NONE */ | |
cccddf4f | 5143 | dummy = be32_to_cpup(p); |
99fe60d0 BH |
5144 | if (dummy != SP4_NONE) |
5145 | return -EIO; | |
5146 | ||
5147 | /* Throw away minor_id */ | |
c0eae66e BH |
5148 | p = xdr_inline_decode(xdr, 8); |
5149 | if (unlikely(!p)) | |
5150 | goto out_overflow; | |
99fe60d0 BH |
5151 | |
5152 | /* Throw away Major id */ | |
2460ba57 BH |
5153 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
5154 | if (unlikely(status)) | |
5155 | return status; | |
99fe60d0 | 5156 | |
78fe0f41 | 5157 | /* Save server_scope */ |
2460ba57 BH |
5158 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
5159 | if (unlikely(status)) | |
5160 | return status; | |
99fe60d0 | 5161 | |
78fe0f41 WAA |
5162 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) |
5163 | return -EIO; | |
5164 | ||
5165 | memcpy(res->server_scope->server_scope, dummy_str, dummy); | |
5166 | res->server_scope->server_scope_sz = dummy; | |
5167 | ||
7d2ed9ac WAA |
5168 | /* Implementation Id */ |
5169 | p = xdr_inline_decode(xdr, 4); | |
5170 | if (unlikely(!p)) | |
5171 | goto out_overflow; | |
5172 | impl_id_count = be32_to_cpup(p++); | |
99fe60d0 | 5173 | |
7d2ed9ac WAA |
5174 | if (impl_id_count) { |
5175 | /* nii_domain */ | |
5176 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); | |
5177 | if (unlikely(status)) | |
5178 | return status; | |
5179 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) | |
5180 | return -EIO; | |
5181 | memcpy(res->impl_id->domain, dummy_str, dummy); | |
5182 | ||
5183 | /* nii_name */ | |
5184 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); | |
5185 | if (unlikely(status)) | |
5186 | return status; | |
5187 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) | |
5188 | return -EIO; | |
5189 | memcpy(res->impl_id->name, dummy_str, dummy); | |
5190 | ||
5191 | /* nii_date */ | |
5192 | p = xdr_inline_decode(xdr, 12); | |
5193 | if (unlikely(!p)) | |
5194 | goto out_overflow; | |
5195 | p = xdr_decode_hyper(p, &res->impl_id->date.seconds); | |
5196 | res->impl_id->date.nseconds = be32_to_cpup(p); | |
5197 | ||
5198 | /* if there's more than one entry, ignore the rest */ | |
5199 | } | |
99fe60d0 | 5200 | return 0; |
c0eae66e BH |
5201 | out_overflow: |
5202 | print_overflow_msg(__func__, xdr); | |
5203 | return -EIO; | |
99fe60d0 | 5204 | } |
fc931582 AA |
5205 | |
5206 | static int decode_chan_attrs(struct xdr_stream *xdr, | |
5207 | struct nfs4_channel_attrs *attrs) | |
5208 | { | |
5209 | __be32 *p; | |
c9c30dd5 | 5210 | u32 nr_attrs, val; |
fc931582 | 5211 | |
c0eae66e BH |
5212 | p = xdr_inline_decode(xdr, 28); |
5213 | if (unlikely(!p)) | |
5214 | goto out_overflow; | |
c9c30dd5 BH |
5215 | val = be32_to_cpup(p++); /* headerpadsz */ |
5216 | if (val) | |
5217 | return -EINVAL; /* no support for header padding yet */ | |
6f723f77 BH |
5218 | attrs->max_rqst_sz = be32_to_cpup(p++); |
5219 | attrs->max_resp_sz = be32_to_cpup(p++); | |
5220 | attrs->max_resp_sz_cached = be32_to_cpup(p++); | |
5221 | attrs->max_ops = be32_to_cpup(p++); | |
5222 | attrs->max_reqs = be32_to_cpup(p++); | |
cccddf4f | 5223 | nr_attrs = be32_to_cpup(p); |
fc931582 | 5224 | if (unlikely(nr_attrs > 1)) { |
a030889a WAA |
5225 | printk(KERN_WARNING "NFS: %s: Invalid rdma channel attrs " |
5226 | "count %u\n", __func__, nr_attrs); | |
fc931582 AA |
5227 | return -EINVAL; |
5228 | } | |
c0eae66e BH |
5229 | if (nr_attrs == 1) { |
5230 | p = xdr_inline_decode(xdr, 4); /* skip rdma_attrs */ | |
5231 | if (unlikely(!p)) | |
5232 | goto out_overflow; | |
5233 | } | |
fc931582 | 5234 | return 0; |
c0eae66e BH |
5235 | out_overflow: |
5236 | print_overflow_msg(__func__, xdr); | |
5237 | return -EIO; | |
fc931582 AA |
5238 | } |
5239 | ||
e78291e4 BH |
5240 | static int decode_sessionid(struct xdr_stream *xdr, struct nfs4_sessionid *sid) |
5241 | { | |
5242 | return decode_opaque_fixed(xdr, sid->data, NFS4_MAX_SESSIONID_LEN); | |
fc931582 AA |
5243 | } |
5244 | ||
5245 | static int decode_create_session(struct xdr_stream *xdr, | |
5246 | struct nfs41_create_session_res *res) | |
5247 | { | |
5248 | __be32 *p; | |
5249 | int status; | |
5250 | struct nfs_client *clp = res->client; | |
5251 | struct nfs4_session *session = clp->cl_session; | |
5252 | ||
5253 | status = decode_op_hdr(xdr, OP_CREATE_SESSION); | |
e78291e4 BH |
5254 | if (!status) |
5255 | status = decode_sessionid(xdr, &session->sess_id); | |
5256 | if (unlikely(status)) | |
fc931582 AA |
5257 | return status; |
5258 | ||
fc931582 | 5259 | /* seqid, flags */ |
c0eae66e BH |
5260 | p = xdr_inline_decode(xdr, 8); |
5261 | if (unlikely(!p)) | |
5262 | goto out_overflow; | |
6f723f77 | 5263 | clp->cl_seqid = be32_to_cpup(p++); |
cccddf4f | 5264 | session->flags = be32_to_cpup(p); |
fc931582 AA |
5265 | |
5266 | /* Channel attributes */ | |
5267 | status = decode_chan_attrs(xdr, &session->fc_attrs); | |
5268 | if (!status) | |
5269 | status = decode_chan_attrs(xdr, &session->bc_attrs); | |
5270 | return status; | |
c0eae66e BH |
5271 | out_overflow: |
5272 | print_overflow_msg(__func__, xdr); | |
5273 | return -EIO; | |
fc931582 | 5274 | } |
0f3e66c6 AA |
5275 | |
5276 | static int decode_destroy_session(struct xdr_stream *xdr, void *dummy) | |
5277 | { | |
5278 | return decode_op_hdr(xdr, OP_DESTROY_SESSION); | |
5279 | } | |
18019753 RL |
5280 | |
5281 | static int decode_reclaim_complete(struct xdr_stream *xdr, void *dummy) | |
5282 | { | |
5283 | return decode_op_hdr(xdr, OP_RECLAIM_COMPLETE); | |
5284 | } | |
99fe60d0 BH |
5285 | #endif /* CONFIG_NFS_V4_1 */ |
5286 | ||
9b7b9fcc AA |
5287 | static int decode_sequence(struct xdr_stream *xdr, |
5288 | struct nfs4_sequence_res *res, | |
5289 | struct rpc_rqst *rqstp) | |
5290 | { | |
5291 | #if defined(CONFIG_NFS_V4_1) | |
fc01cea9 AA |
5292 | struct nfs4_sessionid id; |
5293 | u32 dummy; | |
5294 | int status; | |
5295 | __be32 *p; | |
5296 | ||
9b7b9fcc AA |
5297 | if (!res->sr_session) |
5298 | return 0; | |
5299 | ||
fc01cea9 | 5300 | status = decode_op_hdr(xdr, OP_SEQUENCE); |
e78291e4 BH |
5301 | if (!status) |
5302 | status = decode_sessionid(xdr, &id); | |
5303 | if (unlikely(status)) | |
fc01cea9 | 5304 | goto out_err; |
9b7b9fcc | 5305 | |
fc01cea9 AA |
5306 | /* |
5307 | * If the server returns different values for sessionID, slotID or | |
5308 | * sequence number, the server is looney tunes. | |
5309 | */ | |
fdcb4577 | 5310 | status = -EREMOTEIO; |
fc01cea9 | 5311 | |
fc01cea9 AA |
5312 | if (memcmp(id.data, res->sr_session->sess_id.data, |
5313 | NFS4_MAX_SESSIONID_LEN)) { | |
5314 | dprintk("%s Invalid session id\n", __func__); | |
5315 | goto out_err; | |
5316 | } | |
e78291e4 | 5317 | |
c0eae66e BH |
5318 | p = xdr_inline_decode(xdr, 20); |
5319 | if (unlikely(!p)) | |
5320 | goto out_overflow; | |
e78291e4 | 5321 | |
fc01cea9 | 5322 | /* seqid */ |
6f723f77 | 5323 | dummy = be32_to_cpup(p++); |
dfb4f309 | 5324 | if (dummy != res->sr_slot->seq_nr) { |
fc01cea9 AA |
5325 | dprintk("%s Invalid sequence number\n", __func__); |
5326 | goto out_err; | |
5327 | } | |
5328 | /* slot id */ | |
6f723f77 | 5329 | dummy = be32_to_cpup(p++); |
dfb4f309 | 5330 | if (dummy != res->sr_slot - res->sr_session->fc_slot_table.slots) { |
fc01cea9 AA |
5331 | dprintk("%s Invalid slot id\n", __func__); |
5332 | goto out_err; | |
5333 | } | |
5334 | /* highest slot id - currently not processed */ | |
6f723f77 | 5335 | dummy = be32_to_cpup(p++); |
fc01cea9 | 5336 | /* target highest slot id - currently not processed */ |
6f723f77 | 5337 | dummy = be32_to_cpup(p++); |
0629e370 AB |
5338 | /* result flags */ |
5339 | res->sr_status_flags = be32_to_cpup(p); | |
fc01cea9 AA |
5340 | status = 0; |
5341 | out_err: | |
5342 | res->sr_status = status; | |
5343 | return status; | |
c0eae66e BH |
5344 | out_overflow: |
5345 | print_overflow_msg(__func__, xdr); | |
5346 | status = -EIO; | |
5347 | goto out_err; | |
fc01cea9 | 5348 | #else /* CONFIG_NFS_V4_1 */ |
9b7b9fcc | 5349 | return 0; |
fc01cea9 | 5350 | #endif /* CONFIG_NFS_V4_1 */ |
9b7b9fcc AA |
5351 | } |
5352 | ||
b1f69b75 | 5353 | #if defined(CONFIG_NFS_V4_1) |
7f11d8d3 AA |
5354 | /* |
5355 | * TODO: Need to handle case when EOF != true; | |
5356 | */ | |
5357 | static int decode_getdevicelist(struct xdr_stream *xdr, | |
5358 | struct pnfs_devicelist *res) | |
5359 | { | |
5360 | __be32 *p; | |
5361 | int status, i; | |
5362 | struct nfs_writeverf verftemp; | |
5363 | ||
5364 | status = decode_op_hdr(xdr, OP_GETDEVICELIST); | |
5365 | if (status) | |
5366 | return status; | |
5367 | ||
5368 | p = xdr_inline_decode(xdr, 8 + 8 + 4); | |
5369 | if (unlikely(!p)) | |
5370 | goto out_overflow; | |
5371 | ||
5372 | /* TODO: Skip cookie for now */ | |
5373 | p += 2; | |
5374 | ||
5375 | /* Read verifier */ | |
cd93710e | 5376 | p = xdr_decode_opaque_fixed(p, verftemp.verifier, NFS4_VERIFIER_SIZE); |
7f11d8d3 AA |
5377 | |
5378 | res->num_devs = be32_to_cpup(p); | |
5379 | ||
5380 | dprintk("%s: num_dev %d\n", __func__, res->num_devs); | |
5381 | ||
5382 | if (res->num_devs > NFS4_PNFS_GETDEVLIST_MAXNUM) { | |
a030889a | 5383 | printk(KERN_ERR "NFS: %s too many result dev_num %u\n", |
7f11d8d3 AA |
5384 | __func__, res->num_devs); |
5385 | return -EIO; | |
5386 | } | |
5387 | ||
5388 | p = xdr_inline_decode(xdr, | |
5389 | res->num_devs * NFS4_DEVICEID4_SIZE + 4); | |
5390 | if (unlikely(!p)) | |
5391 | goto out_overflow; | |
5392 | for (i = 0; i < res->num_devs; i++) | |
5393 | p = xdr_decode_opaque_fixed(p, res->dev_id[i].data, | |
5394 | NFS4_DEVICEID4_SIZE); | |
5395 | res->eof = be32_to_cpup(p); | |
5396 | return 0; | |
5397 | out_overflow: | |
5398 | print_overflow_msg(__func__, xdr); | |
5399 | return -EIO; | |
5400 | } | |
b1f69b75 AA |
5401 | |
5402 | static int decode_getdeviceinfo(struct xdr_stream *xdr, | |
5403 | struct pnfs_device *pdev) | |
5404 | { | |
5405 | __be32 *p; | |
5406 | uint32_t len, type; | |
5407 | int status; | |
5408 | ||
5409 | status = decode_op_hdr(xdr, OP_GETDEVICEINFO); | |
5410 | if (status) { | |
5411 | if (status == -ETOOSMALL) { | |
5412 | p = xdr_inline_decode(xdr, 4); | |
5413 | if (unlikely(!p)) | |
5414 | goto out_overflow; | |
5415 | pdev->mincount = be32_to_cpup(p); | |
5416 | dprintk("%s: Min count too small. mincnt = %u\n", | |
5417 | __func__, pdev->mincount); | |
5418 | } | |
5419 | return status; | |
5420 | } | |
5421 | ||
5422 | p = xdr_inline_decode(xdr, 8); | |
5423 | if (unlikely(!p)) | |
5424 | goto out_overflow; | |
5425 | type = be32_to_cpup(p++); | |
5426 | if (type != pdev->layout_type) { | |
5427 | dprintk("%s: layout mismatch req: %u pdev: %u\n", | |
5428 | __func__, pdev->layout_type, type); | |
5429 | return -EINVAL; | |
5430 | } | |
5431 | /* | |
5432 | * Get the length of the opaque device_addr4. xdr_read_pages places | |
5433 | * the opaque device_addr4 in the xdr_buf->pages (pnfs_device->pages) | |
5434 | * and places the remaining xdr data in xdr_buf->tail | |
5435 | */ | |
5436 | pdev->mincount = be32_to_cpup(p); | |
5437 | xdr_read_pages(xdr, pdev->mincount); /* include space for the length */ | |
5438 | ||
5439 | /* Parse notification bitmap, verifying that it is zero. */ | |
5440 | p = xdr_inline_decode(xdr, 4); | |
5441 | if (unlikely(!p)) | |
5442 | goto out_overflow; | |
5443 | len = be32_to_cpup(p); | |
5444 | if (len) { | |
ead00597 | 5445 | uint32_t i; |
b1f69b75 AA |
5446 | |
5447 | p = xdr_inline_decode(xdr, 4 * len); | |
5448 | if (unlikely(!p)) | |
5449 | goto out_overflow; | |
5450 | for (i = 0; i < len; i++, p++) { | |
5451 | if (be32_to_cpup(p)) { | |
5452 | dprintk("%s: notifications not supported\n", | |
5453 | __func__); | |
5454 | return -EIO; | |
5455 | } | |
5456 | } | |
5457 | } | |
5458 | return 0; | |
5459 | out_overflow: | |
5460 | print_overflow_msg(__func__, xdr); | |
5461 | return -EIO; | |
5462 | } | |
5463 | ||
5464 | static int decode_layoutget(struct xdr_stream *xdr, struct rpc_rqst *req, | |
5465 | struct nfs4_layoutget_res *res) | |
5466 | { | |
5467 | __be32 *p; | |
5468 | int status; | |
5469 | u32 layout_count; | |
35124a09 WAA |
5470 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; |
5471 | struct kvec *iov = rcvbuf->head; | |
5472 | u32 hdrlen, recvd; | |
b1f69b75 AA |
5473 | |
5474 | status = decode_op_hdr(xdr, OP_LAYOUTGET); | |
5475 | if (status) | |
5476 | return status; | |
ea9d23f5 TM |
5477 | p = xdr_inline_decode(xdr, 4); |
5478 | if (unlikely(!p)) | |
5479 | goto out_overflow; | |
5480 | res->return_on_close = be32_to_cpup(p); | |
5481 | decode_stateid(xdr, &res->stateid); | |
5482 | p = xdr_inline_decode(xdr, 4); | |
b1f69b75 AA |
5483 | if (unlikely(!p)) |
5484 | goto out_overflow; | |
b1f69b75 AA |
5485 | layout_count = be32_to_cpup(p); |
5486 | if (!layout_count) { | |
5487 | dprintk("%s: server responded with empty layout array\n", | |
5488 | __func__); | |
5489 | return -EINVAL; | |
5490 | } | |
5491 | ||
35124a09 | 5492 | p = xdr_inline_decode(xdr, 28); |
b1f69b75 AA |
5493 | if (unlikely(!p)) |
5494 | goto out_overflow; | |
5495 | p = xdr_decode_hyper(p, &res->range.offset); | |
5496 | p = xdr_decode_hyper(p, &res->range.length); | |
5497 | res->range.iomode = be32_to_cpup(p++); | |
5498 | res->type = be32_to_cpup(p++); | |
35124a09 | 5499 | res->layoutp->len = be32_to_cpup(p); |
b1f69b75 AA |
5500 | |
5501 | dprintk("%s roff:%lu rlen:%lu riomode:%d, lo_type:0x%x, lo.len:%d\n", | |
5502 | __func__, | |
5503 | (unsigned long)res->range.offset, | |
5504 | (unsigned long)res->range.length, | |
5505 | res->range.iomode, | |
5506 | res->type, | |
35124a09 WAA |
5507 | res->layoutp->len); |
5508 | ||
5509 | hdrlen = (u8 *) xdr->p - (u8 *) iov->iov_base; | |
5510 | recvd = req->rq_rcv_buf.len - hdrlen; | |
5511 | if (res->layoutp->len > recvd) { | |
5512 | dprintk("NFS: server cheating in layoutget reply: " | |
5513 | "layout len %u > recvd %u\n", | |
5514 | res->layoutp->len, recvd); | |
5515 | return -EINVAL; | |
5516 | } | |
b1f69b75 | 5517 | |
35124a09 | 5518 | xdr_read_pages(xdr, res->layoutp->len); |
b1f69b75 AA |
5519 | |
5520 | if (layout_count > 1) { | |
5521 | /* We only handle a length one array at the moment. Any | |
5522 | * further entries are just ignored. Note that this means | |
5523 | * the client may see a response that is less than the | |
5524 | * minimum it requested. | |
5525 | */ | |
5526 | dprintk("%s: server responded with %d layouts, dropping tail\n", | |
5527 | __func__, layout_count); | |
5528 | } | |
5529 | ||
5530 | return 0; | |
5531 | out_overflow: | |
5532 | print_overflow_msg(__func__, xdr); | |
5533 | return -EIO; | |
5534 | } | |
863a3c6c | 5535 | |
cbe82603 BH |
5536 | static int decode_layoutreturn(struct xdr_stream *xdr, |
5537 | struct nfs4_layoutreturn_res *res) | |
5538 | { | |
5539 | __be32 *p; | |
5540 | int status; | |
5541 | ||
5542 | status = decode_op_hdr(xdr, OP_LAYOUTRETURN); | |
5543 | if (status) | |
5544 | return status; | |
5545 | p = xdr_inline_decode(xdr, 4); | |
5546 | if (unlikely(!p)) | |
5547 | goto out_overflow; | |
5548 | res->lrs_present = be32_to_cpup(p); | |
5549 | if (res->lrs_present) | |
5550 | status = decode_stateid(xdr, &res->stateid); | |
5551 | return status; | |
5552 | out_overflow: | |
5553 | print_overflow_msg(__func__, xdr); | |
5554 | return -EIO; | |
5555 | } | |
5556 | ||
863a3c6c AA |
5557 | static int decode_layoutcommit(struct xdr_stream *xdr, |
5558 | struct rpc_rqst *req, | |
5559 | struct nfs4_layoutcommit_res *res) | |
5560 | { | |
5561 | __be32 *p; | |
5562 | __u32 sizechanged; | |
5563 | int status; | |
5564 | ||
5565 | status = decode_op_hdr(xdr, OP_LAYOUTCOMMIT); | |
db29c089 | 5566 | res->status = status; |
863a3c6c AA |
5567 | if (status) |
5568 | return status; | |
5569 | ||
5570 | p = xdr_inline_decode(xdr, 4); | |
5571 | if (unlikely(!p)) | |
5572 | goto out_overflow; | |
5573 | sizechanged = be32_to_cpup(p); | |
5574 | ||
5575 | if (sizechanged) { | |
5576 | /* throw away new size */ | |
5577 | p = xdr_inline_decode(xdr, 8); | |
5578 | if (unlikely(!p)) | |
5579 | goto out_overflow; | |
5580 | } | |
5581 | return 0; | |
5582 | out_overflow: | |
5583 | print_overflow_msg(__func__, xdr); | |
5584 | return -EIO; | |
5585 | } | |
7d974794 BS |
5586 | |
5587 | static int decode_test_stateid(struct xdr_stream *xdr, | |
5588 | struct nfs41_test_stateid_res *res) | |
5589 | { | |
5590 | __be32 *p; | |
5591 | int status; | |
5592 | int num_res; | |
5593 | ||
5594 | status = decode_op_hdr(xdr, OP_TEST_STATEID); | |
5595 | if (status) | |
5596 | return status; | |
5597 | ||
5598 | p = xdr_inline_decode(xdr, 4); | |
5599 | if (unlikely(!p)) | |
5600 | goto out_overflow; | |
5601 | num_res = be32_to_cpup(p++); | |
5602 | if (num_res != 1) | |
5603 | goto out; | |
5604 | ||
5605 | p = xdr_inline_decode(xdr, 4); | |
5606 | if (unlikely(!p)) | |
5607 | goto out_overflow; | |
5608 | res->status = be32_to_cpup(p++); | |
1cab0652 BS |
5609 | |
5610 | return status; | |
7d974794 BS |
5611 | out_overflow: |
5612 | print_overflow_msg(__func__, xdr); | |
5613 | out: | |
5614 | return -EIO; | |
5615 | } | |
9aeda35f BS |
5616 | |
5617 | static int decode_free_stateid(struct xdr_stream *xdr, | |
5618 | struct nfs41_free_stateid_res *res) | |
5619 | { | |
5620 | __be32 *p; | |
5621 | int status; | |
5622 | ||
5623 | status = decode_op_hdr(xdr, OP_FREE_STATEID); | |
5624 | if (status) | |
5625 | return status; | |
5626 | ||
5627 | p = xdr_inline_decode(xdr, 4); | |
5628 | if (unlikely(!p)) | |
5629 | goto out_overflow; | |
5630 | res->status = be32_to_cpup(p++); | |
5631 | return res->status; | |
5632 | out_overflow: | |
5633 | print_overflow_msg(__func__, xdr); | |
5634 | return -EIO; | |
5635 | } | |
b1f69b75 AA |
5636 | #endif /* CONFIG_NFS_V4_1 */ |
5637 | ||
49c2559e BH |
5638 | /* |
5639 | * END OF "GENERIC" DECODE ROUTINES. | |
5640 | */ | |
5641 | ||
1da177e4 LT |
5642 | /* |
5643 | * Decode OPEN_DOWNGRADE response | |
5644 | */ | |
bf269551 CL |
5645 | static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst *rqstp, |
5646 | struct xdr_stream *xdr, | |
5647 | struct nfs_closeres *res) | |
1da177e4 | 5648 | { |
05d564fe AA |
5649 | struct compound_hdr hdr; |
5650 | int status; | |
5651 | ||
bf269551 | 5652 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5653 | if (status) |
5654 | goto out; | |
bf269551 | 5655 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
5656 | if (status) |
5657 | goto out; | |
bf269551 | 5658 | status = decode_putfh(xdr); |
05d564fe AA |
5659 | if (status) |
5660 | goto out; | |
bf269551 | 5661 | status = decode_open_downgrade(xdr, res); |
516a6af6 TM |
5662 | if (status != 0) |
5663 | goto out; | |
6926afd1 | 5664 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 | 5665 | out: |
05d564fe | 5666 | return status; |
1da177e4 LT |
5667 | } |
5668 | ||
1da177e4 LT |
5669 | /* |
5670 | * Decode ACCESS response | |
5671 | */ | |
bf269551 CL |
5672 | static int nfs4_xdr_dec_access(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5673 | struct nfs4_accessres *res) | |
1da177e4 | 5674 | { |
1da177e4 LT |
5675 | struct compound_hdr hdr; |
5676 | int status; | |
6c0195a4 | 5677 | |
bf269551 | 5678 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5679 | if (status) |
5680 | goto out; | |
bf269551 | 5681 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5682 | if (status) |
1da177e4 | 5683 | goto out; |
bf269551 | 5684 | status = decode_putfh(xdr); |
76b32999 TM |
5685 | if (status != 0) |
5686 | goto out; | |
bf269551 | 5687 | status = decode_access(xdr, res); |
76b32999 TM |
5688 | if (status != 0) |
5689 | goto out; | |
6926afd1 | 5690 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
5691 | out: |
5692 | return status; | |
5693 | } | |
5694 | ||
5695 | /* | |
5696 | * Decode LOOKUP response | |
5697 | */ | |
bf269551 CL |
5698 | static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5699 | struct nfs4_lookup_res *res) | |
1da177e4 | 5700 | { |
1da177e4 LT |
5701 | struct compound_hdr hdr; |
5702 | int status; | |
6c0195a4 | 5703 | |
bf269551 | 5704 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5705 | if (status) |
5706 | goto out; | |
bf269551 | 5707 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5708 | if (status) |
1da177e4 | 5709 | goto out; |
bf269551 CL |
5710 | status = decode_putfh(xdr); |
5711 | if (status) | |
1da177e4 | 5712 | goto out; |
bf269551 CL |
5713 | status = decode_lookup(xdr); |
5714 | if (status) | |
1da177e4 | 5715 | goto out; |
bf269551 CL |
5716 | status = decode_getfh(xdr, res->fh); |
5717 | if (status) | |
1da177e4 | 5718 | goto out; |
6926afd1 | 5719 | status = decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
5720 | out: |
5721 | return status; | |
5722 | } | |
5723 | ||
5724 | /* | |
5725 | * Decode LOOKUP_ROOT response | |
5726 | */ | |
bf269551 CL |
5727 | static int nfs4_xdr_dec_lookup_root(struct rpc_rqst *rqstp, |
5728 | struct xdr_stream *xdr, | |
5729 | struct nfs4_lookup_res *res) | |
1da177e4 | 5730 | { |
1da177e4 LT |
5731 | struct compound_hdr hdr; |
5732 | int status; | |
6c0195a4 | 5733 | |
bf269551 | 5734 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5735 | if (status) |
5736 | goto out; | |
bf269551 | 5737 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5738 | if (status) |
1da177e4 | 5739 | goto out; |
bf269551 CL |
5740 | status = decode_putrootfh(xdr); |
5741 | if (status) | |
1da177e4 | 5742 | goto out; |
bf269551 CL |
5743 | status = decode_getfh(xdr, res->fh); |
5744 | if (status == 0) | |
6926afd1 | 5745 | status = decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
5746 | out: |
5747 | return status; | |
5748 | } | |
5749 | ||
5750 | /* | |
5751 | * Decode REMOVE response | |
5752 | */ | |
bf269551 CL |
5753 | static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5754 | struct nfs_removeres *res) | |
1da177e4 | 5755 | { |
1da177e4 LT |
5756 | struct compound_hdr hdr; |
5757 | int status; | |
6c0195a4 | 5758 | |
bf269551 | 5759 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5760 | if (status) |
5761 | goto out; | |
bf269551 | 5762 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5763 | if (status) |
1da177e4 | 5764 | goto out; |
bf269551 CL |
5765 | status = decode_putfh(xdr); |
5766 | if (status) | |
16e42959 | 5767 | goto out; |
bf269551 | 5768 | status = decode_remove(xdr, &res->cinfo); |
1da177e4 LT |
5769 | out: |
5770 | return status; | |
5771 | } | |
5772 | ||
5773 | /* | |
5774 | * Decode RENAME response | |
5775 | */ | |
bf269551 CL |
5776 | static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5777 | struct nfs_renameres *res) | |
1da177e4 | 5778 | { |
1da177e4 LT |
5779 | struct compound_hdr hdr; |
5780 | int status; | |
6c0195a4 | 5781 | |
bf269551 | 5782 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5783 | if (status) |
5784 | goto out; | |
bf269551 | 5785 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5786 | if (status) |
1da177e4 | 5787 | goto out; |
bf269551 CL |
5788 | status = decode_putfh(xdr); |
5789 | if (status) | |
1da177e4 | 5790 | goto out; |
bf269551 CL |
5791 | status = decode_savefh(xdr); |
5792 | if (status) | |
1da177e4 | 5793 | goto out; |
bf269551 CL |
5794 | status = decode_putfh(xdr); |
5795 | if (status) | |
1da177e4 | 5796 | goto out; |
bf269551 | 5797 | status = decode_rename(xdr, &res->old_cinfo, &res->new_cinfo); |
1da177e4 LT |
5798 | out: |
5799 | return status; | |
5800 | } | |
5801 | ||
5802 | /* | |
5803 | * Decode LINK response | |
5804 | */ | |
bf269551 CL |
5805 | static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5806 | struct nfs4_link_res *res) | |
1da177e4 | 5807 | { |
1da177e4 LT |
5808 | struct compound_hdr hdr; |
5809 | int status; | |
6c0195a4 | 5810 | |
bf269551 | 5811 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5812 | if (status) |
5813 | goto out; | |
bf269551 | 5814 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5815 | if (status) |
1da177e4 | 5816 | goto out; |
bf269551 CL |
5817 | status = decode_putfh(xdr); |
5818 | if (status) | |
1da177e4 | 5819 | goto out; |
bf269551 CL |
5820 | status = decode_savefh(xdr); |
5821 | if (status) | |
1da177e4 | 5822 | goto out; |
bf269551 CL |
5823 | status = decode_putfh(xdr); |
5824 | if (status) | |
1da177e4 | 5825 | goto out; |
bf269551 CL |
5826 | status = decode_link(xdr, &res->cinfo); |
5827 | if (status) | |
91ba2eee TM |
5828 | goto out; |
5829 | /* | |
5830 | * Note order: OP_LINK leaves the directory as the current | |
5831 | * filehandle. | |
5832 | */ | |
bf269551 CL |
5833 | status = decode_restorefh(xdr); |
5834 | if (status) | |
91ba2eee | 5835 | goto out; |
6926afd1 | 5836 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
5837 | out: |
5838 | return status; | |
5839 | } | |
5840 | ||
5841 | /* | |
5842 | * Decode CREATE response | |
5843 | */ | |
bf269551 CL |
5844 | static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5845 | struct nfs4_create_res *res) | |
1da177e4 | 5846 | { |
1da177e4 LT |
5847 | struct compound_hdr hdr; |
5848 | int status; | |
6c0195a4 | 5849 | |
bf269551 | 5850 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5851 | if (status) |
5852 | goto out; | |
bf269551 | 5853 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5854 | if (status) |
1da177e4 | 5855 | goto out; |
bf269551 | 5856 | status = decode_putfh(xdr); |
bf269551 | 5857 | if (status) |
56ae19f3 | 5858 | goto out; |
bf269551 CL |
5859 | status = decode_create(xdr, &res->dir_cinfo); |
5860 | if (status) | |
1da177e4 | 5861 | goto out; |
bf269551 CL |
5862 | status = decode_getfh(xdr, res->fh); |
5863 | if (status) | |
1da177e4 | 5864 | goto out; |
7c317fcf | 5865 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
5866 | out: |
5867 | return status; | |
5868 | } | |
5869 | ||
5870 | /* | |
5871 | * Decode SYMLINK response | |
5872 | */ | |
bf269551 CL |
5873 | static int nfs4_xdr_dec_symlink(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5874 | struct nfs4_create_res *res) | |
1da177e4 | 5875 | { |
bf269551 | 5876 | return nfs4_xdr_dec_create(rqstp, xdr, res); |
1da177e4 LT |
5877 | } |
5878 | ||
5879 | /* | |
5880 | * Decode GETATTR response | |
5881 | */ | |
bf269551 CL |
5882 | static int nfs4_xdr_dec_getattr(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5883 | struct nfs4_getattr_res *res) | |
1da177e4 | 5884 | { |
1da177e4 LT |
5885 | struct compound_hdr hdr; |
5886 | int status; | |
6c0195a4 | 5887 | |
bf269551 | 5888 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5889 | if (status) |
5890 | goto out; | |
bf269551 | 5891 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
5892 | if (status) |
5893 | goto out; | |
bf269551 | 5894 | status = decode_putfh(xdr); |
1da177e4 LT |
5895 | if (status) |
5896 | goto out; | |
6926afd1 | 5897 | status = decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
5898 | out: |
5899 | return status; | |
1da177e4 LT |
5900 | } |
5901 | ||
23ec6965 BF |
5902 | /* |
5903 | * Encode an SETACL request | |
5904 | */ | |
9f06c719 CL |
5905 | static void nfs4_xdr_enc_setacl(struct rpc_rqst *req, struct xdr_stream *xdr, |
5906 | struct nfs_setaclargs *args) | |
23ec6965 | 5907 | { |
05d564fe | 5908 | struct compound_hdr hdr = { |
66cc0429 | 5909 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 5910 | }; |
05d564fe | 5911 | |
9f06c719 CL |
5912 | encode_compound_hdr(xdr, req, &hdr); |
5913 | encode_sequence(xdr, &args->seq_args, &hdr); | |
5914 | encode_putfh(xdr, args->fh, &hdr); | |
5915 | encode_setacl(xdr, args, &hdr); | |
d017931c | 5916 | encode_nops(&hdr); |
23ec6965 | 5917 | } |
05d564fe | 5918 | |
23ec6965 BF |
5919 | /* |
5920 | * Decode SETACL response | |
5921 | */ | |
5922 | static int | |
bf269551 | 5923 | nfs4_xdr_dec_setacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
73c403a9 | 5924 | struct nfs_setaclres *res) |
23ec6965 | 5925 | { |
23ec6965 BF |
5926 | struct compound_hdr hdr; |
5927 | int status; | |
5928 | ||
bf269551 | 5929 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5930 | if (status) |
5931 | goto out; | |
bf269551 | 5932 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
23ec6965 BF |
5933 | if (status) |
5934 | goto out; | |
bf269551 | 5935 | status = decode_putfh(xdr); |
23ec6965 BF |
5936 | if (status) |
5937 | goto out; | |
bf269551 | 5938 | status = decode_setattr(xdr); |
23ec6965 BF |
5939 | out: |
5940 | return status; | |
5941 | } | |
1da177e4 | 5942 | |
029d105e BF |
5943 | /* |
5944 | * Decode GETACL response | |
5945 | */ | |
5946 | static int | |
bf269551 | 5947 | nfs4_xdr_dec_getacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
663c79b3 | 5948 | struct nfs_getaclres *res) |
029d105e | 5949 | { |
029d105e BF |
5950 | struct compound_hdr hdr; |
5951 | int status; | |
5952 | ||
331818f1 TM |
5953 | if (res->acl_scratch != NULL) { |
5954 | void *p = page_address(res->acl_scratch); | |
5955 | xdr_set_scratch_buffer(xdr, p, PAGE_SIZE); | |
5956 | } | |
bf269551 | 5957 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5958 | if (status) |
5959 | goto out; | |
bf269551 | 5960 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
029d105e BF |
5961 | if (status) |
5962 | goto out; | |
bf269551 | 5963 | status = decode_putfh(xdr); |
029d105e BF |
5964 | if (status) |
5965 | goto out; | |
bf118a34 | 5966 | status = decode_getacl(xdr, rqstp, res); |
029d105e BF |
5967 | |
5968 | out: | |
5969 | return status; | |
5970 | } | |
5971 | ||
1da177e4 LT |
5972 | /* |
5973 | * Decode CLOSE response | |
5974 | */ | |
bf269551 CL |
5975 | static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5976 | struct nfs_closeres *res) | |
1da177e4 | 5977 | { |
05d564fe AA |
5978 | struct compound_hdr hdr; |
5979 | int status; | |
5980 | ||
bf269551 | 5981 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5982 | if (status) |
5983 | goto out; | |
bf269551 | 5984 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
5985 | if (status) |
5986 | goto out; | |
bf269551 | 5987 | status = decode_putfh(xdr); |
05d564fe AA |
5988 | if (status) |
5989 | goto out; | |
bf269551 | 5990 | status = decode_close(xdr, res); |
516a6af6 TM |
5991 | if (status != 0) |
5992 | goto out; | |
5993 | /* | |
5994 | * Note: Server may do delete on close for this file | |
5995 | * in which case the getattr call will fail with | |
5996 | * an ESTALE error. Shouldn't be a problem, | |
5997 | * though, since fattr->valid will remain unset. | |
5998 | */ | |
6926afd1 | 5999 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 | 6000 | out: |
05d564fe | 6001 | return status; |
1da177e4 LT |
6002 | } |
6003 | ||
6004 | /* | |
6005 | * Decode OPEN response | |
6006 | */ | |
bf269551 CL |
6007 | static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6008 | struct nfs_openres *res) | |
1da177e4 | 6009 | { |
05d564fe AA |
6010 | struct compound_hdr hdr; |
6011 | int status; | |
6012 | ||
bf269551 | 6013 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6014 | if (status) |
6015 | goto out; | |
bf269551 | 6016 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6017 | if (status) |
6018 | goto out; | |
bf269551 | 6019 | status = decode_putfh(xdr); |
05d564fe AA |
6020 | if (status) |
6021 | goto out; | |
bf269551 | 6022 | status = decode_open(xdr, res); |
56ae19f3 TM |
6023 | if (status) |
6024 | goto out; | |
bf269551 | 6025 | if (decode_getfh(xdr, &res->fh) != 0) |
1da177e4 | 6026 | goto out; |
90ff0c54 | 6027 | decode_getfattr(xdr, res->f_attr, res->server); |
1da177e4 | 6028 | out: |
05d564fe | 6029 | return status; |
1da177e4 LT |
6030 | } |
6031 | ||
6032 | /* | |
6033 | * Decode OPEN_CONFIRM response | |
6034 | */ | |
bf269551 CL |
6035 | static int nfs4_xdr_dec_open_confirm(struct rpc_rqst *rqstp, |
6036 | struct xdr_stream *xdr, | |
6037 | struct nfs_open_confirmres *res) | |
1da177e4 | 6038 | { |
05d564fe AA |
6039 | struct compound_hdr hdr; |
6040 | int status; | |
6041 | ||
bf269551 | 6042 | status = decode_compound_hdr(xdr, &hdr); |
05d564fe AA |
6043 | if (status) |
6044 | goto out; | |
bf269551 | 6045 | status = decode_putfh(xdr); |
05d564fe AA |
6046 | if (status) |
6047 | goto out; | |
bf269551 | 6048 | status = decode_open_confirm(xdr, res); |
1da177e4 | 6049 | out: |
05d564fe | 6050 | return status; |
1da177e4 LT |
6051 | } |
6052 | ||
6053 | /* | |
6054 | * Decode OPEN response | |
6055 | */ | |
bf269551 CL |
6056 | static int nfs4_xdr_dec_open_noattr(struct rpc_rqst *rqstp, |
6057 | struct xdr_stream *xdr, | |
6058 | struct nfs_openres *res) | |
1da177e4 | 6059 | { |
05d564fe AA |
6060 | struct compound_hdr hdr; |
6061 | int status; | |
6062 | ||
bf269551 | 6063 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6064 | if (status) |
6065 | goto out; | |
bf269551 | 6066 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6067 | if (status) |
6068 | goto out; | |
bf269551 | 6069 | status = decode_putfh(xdr); |
05d564fe AA |
6070 | if (status) |
6071 | goto out; | |
bf269551 | 6072 | status = decode_open(xdr, res); |
05d564fe AA |
6073 | if (status) |
6074 | goto out; | |
6926afd1 | 6075 | decode_getfattr(xdr, res->f_attr, res->server); |
1da177e4 | 6076 | out: |
05d564fe | 6077 | return status; |
1da177e4 LT |
6078 | } |
6079 | ||
6080 | /* | |
6081 | * Decode SETATTR response | |
6082 | */ | |
bf269551 CL |
6083 | static int nfs4_xdr_dec_setattr(struct rpc_rqst *rqstp, |
6084 | struct xdr_stream *xdr, | |
6085 | struct nfs_setattrres *res) | |
1da177e4 | 6086 | { |
05d564fe AA |
6087 | struct compound_hdr hdr; |
6088 | int status; | |
6089 | ||
bf269551 | 6090 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6091 | if (status) |
6092 | goto out; | |
bf269551 | 6093 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6094 | if (status) |
6095 | goto out; | |
bf269551 | 6096 | status = decode_putfh(xdr); |
05d564fe AA |
6097 | if (status) |
6098 | goto out; | |
bf269551 | 6099 | status = decode_setattr(xdr); |
05d564fe AA |
6100 | if (status) |
6101 | goto out; | |
6926afd1 | 6102 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 | 6103 | out: |
05d564fe | 6104 | return status; |
1da177e4 LT |
6105 | } |
6106 | ||
6107 | /* | |
6108 | * Decode LOCK response | |
6109 | */ | |
bf269551 CL |
6110 | static int nfs4_xdr_dec_lock(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6111 | struct nfs_lock_res *res) | |
1da177e4 | 6112 | { |
1da177e4 LT |
6113 | struct compound_hdr hdr; |
6114 | int status; | |
6115 | ||
bf269551 | 6116 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6117 | if (status) |
6118 | goto out; | |
bf269551 | 6119 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6120 | if (status) |
6121 | goto out; | |
bf269551 | 6122 | status = decode_putfh(xdr); |
1da177e4 LT |
6123 | if (status) |
6124 | goto out; | |
bf269551 | 6125 | status = decode_lock(xdr, res); |
1da177e4 LT |
6126 | out: |
6127 | return status; | |
6128 | } | |
6129 | ||
6130 | /* | |
6131 | * Decode LOCKT response | |
6132 | */ | |
bf269551 CL |
6133 | static int nfs4_xdr_dec_lockt(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6134 | struct nfs_lockt_res *res) | |
1da177e4 | 6135 | { |
1da177e4 LT |
6136 | struct compound_hdr hdr; |
6137 | int status; | |
6138 | ||
bf269551 | 6139 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6140 | if (status) |
6141 | goto out; | |
bf269551 | 6142 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6143 | if (status) |
6144 | goto out; | |
bf269551 | 6145 | status = decode_putfh(xdr); |
1da177e4 LT |
6146 | if (status) |
6147 | goto out; | |
bf269551 | 6148 | status = decode_lockt(xdr, res); |
1da177e4 LT |
6149 | out: |
6150 | return status; | |
6151 | } | |
6152 | ||
6153 | /* | |
6154 | * Decode LOCKU response | |
6155 | */ | |
bf269551 CL |
6156 | static int nfs4_xdr_dec_locku(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6157 | struct nfs_locku_res *res) | |
1da177e4 | 6158 | { |
1da177e4 LT |
6159 | struct compound_hdr hdr; |
6160 | int status; | |
6161 | ||
bf269551 | 6162 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6163 | if (status) |
6164 | goto out; | |
bf269551 | 6165 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6166 | if (status) |
6167 | goto out; | |
bf269551 | 6168 | status = decode_putfh(xdr); |
1da177e4 LT |
6169 | if (status) |
6170 | goto out; | |
bf269551 | 6171 | status = decode_locku(xdr, res); |
1da177e4 LT |
6172 | out: |
6173 | return status; | |
6174 | } | |
6175 | ||
bf269551 CL |
6176 | static int nfs4_xdr_dec_release_lockowner(struct rpc_rqst *rqstp, |
6177 | struct xdr_stream *xdr, void *dummy) | |
d3c7b7cc | 6178 | { |
d3c7b7cc TM |
6179 | struct compound_hdr hdr; |
6180 | int status; | |
6181 | ||
bf269551 | 6182 | status = decode_compound_hdr(xdr, &hdr); |
d3c7b7cc | 6183 | if (!status) |
bf269551 | 6184 | status = decode_release_lockowner(xdr); |
d3c7b7cc TM |
6185 | return status; |
6186 | } | |
6187 | ||
1da177e4 LT |
6188 | /* |
6189 | * Decode READLINK response | |
6190 | */ | |
bf269551 CL |
6191 | static int nfs4_xdr_dec_readlink(struct rpc_rqst *rqstp, |
6192 | struct xdr_stream *xdr, | |
f50c7000 | 6193 | struct nfs4_readlink_res *res) |
1da177e4 | 6194 | { |
1da177e4 LT |
6195 | struct compound_hdr hdr; |
6196 | int status; | |
6197 | ||
bf269551 | 6198 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6199 | if (status) |
6200 | goto out; | |
bf269551 | 6201 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6202 | if (status) |
6203 | goto out; | |
bf269551 | 6204 | status = decode_putfh(xdr); |
1da177e4 LT |
6205 | if (status) |
6206 | goto out; | |
bf269551 | 6207 | status = decode_readlink(xdr, rqstp); |
1da177e4 LT |
6208 | out: |
6209 | return status; | |
6210 | } | |
6211 | ||
6212 | /* | |
6213 | * Decode READDIR response | |
6214 | */ | |
bf269551 CL |
6215 | static int nfs4_xdr_dec_readdir(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6216 | struct nfs4_readdir_res *res) | |
1da177e4 | 6217 | { |
1da177e4 LT |
6218 | struct compound_hdr hdr; |
6219 | int status; | |
6220 | ||
bf269551 | 6221 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6222 | if (status) |
6223 | goto out; | |
bf269551 | 6224 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6225 | if (status) |
6226 | goto out; | |
bf269551 | 6227 | status = decode_putfh(xdr); |
1da177e4 LT |
6228 | if (status) |
6229 | goto out; | |
bf269551 | 6230 | status = decode_readdir(xdr, rqstp, res); |
1da177e4 LT |
6231 | out: |
6232 | return status; | |
6233 | } | |
6234 | ||
6235 | /* | |
6236 | * Decode Read response | |
6237 | */ | |
bf269551 CL |
6238 | static int nfs4_xdr_dec_read(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6239 | struct nfs_readres *res) | |
1da177e4 | 6240 | { |
1da177e4 LT |
6241 | struct compound_hdr hdr; |
6242 | int status; | |
6243 | ||
bf269551 | 6244 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6245 | if (status) |
6246 | goto out; | |
bf269551 | 6247 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6248 | if (status) |
6249 | goto out; | |
bf269551 | 6250 | status = decode_putfh(xdr); |
1da177e4 LT |
6251 | if (status) |
6252 | goto out; | |
bf269551 | 6253 | status = decode_read(xdr, rqstp, res); |
1da177e4 LT |
6254 | if (!status) |
6255 | status = res->count; | |
6256 | out: | |
6257 | return status; | |
6258 | } | |
6259 | ||
6260 | /* | |
6261 | * Decode WRITE response | |
6262 | */ | |
bf269551 CL |
6263 | static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6264 | struct nfs_writeres *res) | |
1da177e4 | 6265 | { |
1da177e4 LT |
6266 | struct compound_hdr hdr; |
6267 | int status; | |
6268 | ||
bf269551 | 6269 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6270 | if (status) |
6271 | goto out; | |
bf269551 | 6272 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6273 | if (status) |
6274 | goto out; | |
bf269551 | 6275 | status = decode_putfh(xdr); |
1da177e4 LT |
6276 | if (status) |
6277 | goto out; | |
bf269551 | 6278 | status = decode_write(xdr, res); |
4f9838c7 TM |
6279 | if (status) |
6280 | goto out; | |
7ffd1064 | 6281 | if (res->fattr) |
6926afd1 | 6282 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6283 | if (!status) |
6284 | status = res->count; | |
6285 | out: | |
6286 | return status; | |
6287 | } | |
6288 | ||
6289 | /* | |
6290 | * Decode COMMIT response | |
6291 | */ | |
bf269551 | 6292 | static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
0b7c0153 | 6293 | struct nfs_commitres *res) |
1da177e4 | 6294 | { |
1da177e4 LT |
6295 | struct compound_hdr hdr; |
6296 | int status; | |
6297 | ||
bf269551 | 6298 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6299 | if (status) |
6300 | goto out; | |
bf269551 | 6301 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6302 | if (status) |
6303 | goto out; | |
bf269551 | 6304 | status = decode_putfh(xdr); |
1da177e4 LT |
6305 | if (status) |
6306 | goto out; | |
bf269551 | 6307 | status = decode_commit(xdr, res); |
1da177e4 LT |
6308 | out: |
6309 | return status; | |
6310 | } | |
6311 | ||
6312 | /* | |
8b173218 | 6313 | * Decode FSINFO response |
1da177e4 | 6314 | */ |
bf269551 | 6315 | static int nfs4_xdr_dec_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, |
3dda5e43 | 6316 | struct nfs4_fsinfo_res *res) |
1da177e4 | 6317 | { |
1da177e4 LT |
6318 | struct compound_hdr hdr; |
6319 | int status; | |
6320 | ||
bf269551 | 6321 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6322 | if (!status) |
bf269551 | 6323 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6324 | if (!status) |
bf269551 | 6325 | status = decode_putfh(xdr); |
1da177e4 | 6326 | if (!status) |
bf269551 | 6327 | status = decode_fsinfo(xdr, res->fsinfo); |
1da177e4 LT |
6328 | return status; |
6329 | } | |
6330 | ||
6331 | /* | |
8b173218 | 6332 | * Decode PATHCONF response |
1da177e4 | 6333 | */ |
bf269551 | 6334 | static int nfs4_xdr_dec_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, |
d45b2989 | 6335 | struct nfs4_pathconf_res *res) |
1da177e4 | 6336 | { |
1da177e4 LT |
6337 | struct compound_hdr hdr; |
6338 | int status; | |
6339 | ||
bf269551 | 6340 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6341 | if (!status) |
bf269551 | 6342 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6343 | if (!status) |
bf269551 | 6344 | status = decode_putfh(xdr); |
1da177e4 | 6345 | if (!status) |
bf269551 | 6346 | status = decode_pathconf(xdr, res->pathconf); |
1da177e4 LT |
6347 | return status; |
6348 | } | |
6349 | ||
6350 | /* | |
8b173218 | 6351 | * Decode STATFS response |
1da177e4 | 6352 | */ |
bf269551 | 6353 | static int nfs4_xdr_dec_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, |
24ad148a | 6354 | struct nfs4_statfs_res *res) |
1da177e4 | 6355 | { |
1da177e4 LT |
6356 | struct compound_hdr hdr; |
6357 | int status; | |
6358 | ||
bf269551 | 6359 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6360 | if (!status) |
bf269551 | 6361 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6362 | if (!status) |
bf269551 | 6363 | status = decode_putfh(xdr); |
1da177e4 | 6364 | if (!status) |
bf269551 | 6365 | status = decode_statfs(xdr, res->fsstat); |
1da177e4 LT |
6366 | return status; |
6367 | } | |
6368 | ||
6369 | /* | |
8b173218 | 6370 | * Decode GETATTR_BITMAP response |
1da177e4 | 6371 | */ |
bf269551 CL |
6372 | static int nfs4_xdr_dec_server_caps(struct rpc_rqst *req, |
6373 | struct xdr_stream *xdr, | |
6374 | struct nfs4_server_caps_res *res) | |
1da177e4 | 6375 | { |
1da177e4 LT |
6376 | struct compound_hdr hdr; |
6377 | int status; | |
6378 | ||
bf269551 | 6379 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6380 | if (status) |
6381 | goto out; | |
bf269551 | 6382 | status = decode_sequence(xdr, &res->seq_res, req); |
9b7b9fcc | 6383 | if (status) |
1da177e4 | 6384 | goto out; |
bf269551 CL |
6385 | status = decode_putfh(xdr); |
6386 | if (status) | |
1da177e4 | 6387 | goto out; |
bf269551 | 6388 | status = decode_server_caps(xdr, res); |
1da177e4 LT |
6389 | out: |
6390 | return status; | |
6391 | } | |
6392 | ||
6393 | /* | |
6394 | * Decode RENEW response | |
6395 | */ | |
bf269551 CL |
6396 | static int nfs4_xdr_dec_renew(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6397 | void *__unused) | |
1da177e4 | 6398 | { |
1da177e4 LT |
6399 | struct compound_hdr hdr; |
6400 | int status; | |
6401 | ||
bf269551 | 6402 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6403 | if (!status) |
bf269551 | 6404 | status = decode_renew(xdr); |
1da177e4 LT |
6405 | return status; |
6406 | } | |
6407 | ||
6408 | /* | |
8b173218 | 6409 | * Decode SETCLIENTID response |
1da177e4 | 6410 | */ |
bf269551 CL |
6411 | static int nfs4_xdr_dec_setclientid(struct rpc_rqst *req, |
6412 | struct xdr_stream *xdr, | |
6413 | struct nfs4_setclientid_res *res) | |
1da177e4 | 6414 | { |
1da177e4 LT |
6415 | struct compound_hdr hdr; |
6416 | int status; | |
6417 | ||
bf269551 | 6418 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6419 | if (!status) |
bf269551 | 6420 | status = decode_setclientid(xdr, res); |
1da177e4 LT |
6421 | return status; |
6422 | } | |
6423 | ||
6424 | /* | |
8b173218 | 6425 | * Decode SETCLIENTID_CONFIRM response |
1da177e4 | 6426 | */ |
bf269551 CL |
6427 | static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst *req, |
6428 | struct xdr_stream *xdr, | |
6429 | struct nfs_fsinfo *fsinfo) | |
1da177e4 | 6430 | { |
1da177e4 LT |
6431 | struct compound_hdr hdr; |
6432 | int status; | |
6433 | ||
bf269551 | 6434 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6435 | if (!status) |
bf269551 | 6436 | status = decode_setclientid_confirm(xdr); |
1da177e4 | 6437 | if (!status) |
bf269551 | 6438 | status = decode_putrootfh(xdr); |
1da177e4 | 6439 | if (!status) |
bf269551 | 6440 | status = decode_fsinfo(xdr, fsinfo); |
1da177e4 LT |
6441 | return status; |
6442 | } | |
6443 | ||
6444 | /* | |
8b173218 | 6445 | * Decode DELEGRETURN response |
1da177e4 | 6446 | */ |
bf269551 CL |
6447 | static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, |
6448 | struct xdr_stream *xdr, | |
6449 | struct nfs4_delegreturnres *res) | |
1da177e4 | 6450 | { |
1da177e4 LT |
6451 | struct compound_hdr hdr; |
6452 | int status; | |
6453 | ||
bf269551 | 6454 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6455 | if (status) |
6456 | goto out; | |
bf269551 | 6457 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6458 | if (status) |
fa178f29 | 6459 | goto out; |
bf269551 | 6460 | status = decode_putfh(xdr); |
fa178f29 TM |
6461 | if (status != 0) |
6462 | goto out; | |
e144cbcc | 6463 | status = decode_getfattr(xdr, res->fattr, res->server); |
556ae3bb JL |
6464 | if (status != 0) |
6465 | goto out; | |
e144cbcc | 6466 | status = decode_delegreturn(xdr); |
fa178f29 | 6467 | out: |
1da177e4 LT |
6468 | return status; |
6469 | } | |
6470 | ||
683b57b4 | 6471 | /* |
8b173218 | 6472 | * Decode FS_LOCATIONS response |
683b57b4 | 6473 | */ |
bf269551 CL |
6474 | static int nfs4_xdr_dec_fs_locations(struct rpc_rqst *req, |
6475 | struct xdr_stream *xdr, | |
22958463 | 6476 | struct nfs4_fs_locations_res *res) |
683b57b4 | 6477 | { |
683b57b4 TM |
6478 | struct compound_hdr hdr; |
6479 | int status; | |
6480 | ||
bf269551 | 6481 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6482 | if (status) |
6483 | goto out; | |
bf269551 | 6484 | status = decode_sequence(xdr, &res->seq_res, req); |
9b7b9fcc | 6485 | if (status) |
683b57b4 | 6486 | goto out; |
bf269551 CL |
6487 | status = decode_putfh(xdr); |
6488 | if (status) | |
683b57b4 | 6489 | goto out; |
bf269551 CL |
6490 | status = decode_lookup(xdr); |
6491 | if (status) | |
683b57b4 | 6492 | goto out; |
bf269551 | 6493 | xdr_enter_page(xdr, PAGE_SIZE); |
8b7e3f49 TM |
6494 | status = decode_getfattr_generic(xdr, &res->fs_locations->fattr, |
6495 | NULL, res->fs_locations, | |
6496 | res->fs_locations->server); | |
683b57b4 TM |
6497 | out: |
6498 | return status; | |
6499 | } | |
6500 | ||
5a5ea0d4 BS |
6501 | /* |
6502 | * Decode SECINFO response | |
6503 | */ | |
6504 | static int nfs4_xdr_dec_secinfo(struct rpc_rqst *rqstp, | |
6505 | struct xdr_stream *xdr, | |
6506 | struct nfs4_secinfo_res *res) | |
6507 | { | |
6508 | struct compound_hdr hdr; | |
6509 | int status; | |
6510 | ||
6511 | status = decode_compound_hdr(xdr, &hdr); | |
6512 | if (status) | |
6513 | goto out; | |
6514 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6515 | if (status) | |
6516 | goto out; | |
6517 | status = decode_putfh(xdr); | |
6518 | if (status) | |
6519 | goto out; | |
6520 | status = decode_secinfo(xdr, res); | |
5a5ea0d4 BS |
6521 | out: |
6522 | return status; | |
6523 | } | |
6524 | ||
99fe60d0 BH |
6525 | #if defined(CONFIG_NFS_V4_1) |
6526 | /* | |
8b173218 | 6527 | * Decode EXCHANGE_ID response |
99fe60d0 | 6528 | */ |
bf269551 CL |
6529 | static int nfs4_xdr_dec_exchange_id(struct rpc_rqst *rqstp, |
6530 | struct xdr_stream *xdr, | |
99fe60d0 BH |
6531 | void *res) |
6532 | { | |
99fe60d0 BH |
6533 | struct compound_hdr hdr; |
6534 | int status; | |
6535 | ||
bf269551 | 6536 | status = decode_compound_hdr(xdr, &hdr); |
99fe60d0 | 6537 | if (!status) |
bf269551 | 6538 | status = decode_exchange_id(xdr, res); |
99fe60d0 BH |
6539 | return status; |
6540 | } | |
2050f0cc | 6541 | |
fc931582 | 6542 | /* |
8b173218 | 6543 | * Decode CREATE_SESSION response |
fc931582 | 6544 | */ |
bf269551 CL |
6545 | static int nfs4_xdr_dec_create_session(struct rpc_rqst *rqstp, |
6546 | struct xdr_stream *xdr, | |
fc931582 AA |
6547 | struct nfs41_create_session_res *res) |
6548 | { | |
fc931582 AA |
6549 | struct compound_hdr hdr; |
6550 | int status; | |
6551 | ||
bf269551 | 6552 | status = decode_compound_hdr(xdr, &hdr); |
fc931582 | 6553 | if (!status) |
bf269551 | 6554 | status = decode_create_session(xdr, res); |
fc931582 AA |
6555 | return status; |
6556 | } | |
6557 | ||
0f3e66c6 | 6558 | /* |
8b173218 | 6559 | * Decode DESTROY_SESSION response |
0f3e66c6 | 6560 | */ |
bf269551 CL |
6561 | static int nfs4_xdr_dec_destroy_session(struct rpc_rqst *rqstp, |
6562 | struct xdr_stream *xdr, | |
6563 | void *res) | |
0f3e66c6 | 6564 | { |
0f3e66c6 AA |
6565 | struct compound_hdr hdr; |
6566 | int status; | |
6567 | ||
bf269551 | 6568 | status = decode_compound_hdr(xdr, &hdr); |
0f3e66c6 | 6569 | if (!status) |
bf269551 | 6570 | status = decode_destroy_session(xdr, res); |
0f3e66c6 AA |
6571 | return status; |
6572 | } | |
6573 | ||
fc01cea9 | 6574 | /* |
8b173218 | 6575 | * Decode SEQUENCE response |
fc01cea9 | 6576 | */ |
bf269551 CL |
6577 | static int nfs4_xdr_dec_sequence(struct rpc_rqst *rqstp, |
6578 | struct xdr_stream *xdr, | |
fc01cea9 AA |
6579 | struct nfs4_sequence_res *res) |
6580 | { | |
fc01cea9 AA |
6581 | struct compound_hdr hdr; |
6582 | int status; | |
6583 | ||
bf269551 | 6584 | status = decode_compound_hdr(xdr, &hdr); |
fc01cea9 | 6585 | if (!status) |
bf269551 | 6586 | status = decode_sequence(xdr, res, rqstp); |
fc01cea9 AA |
6587 | return status; |
6588 | } | |
6589 | ||
2050f0cc | 6590 | /* |
8b173218 | 6591 | * Decode GET_LEASE_TIME response |
2050f0cc | 6592 | */ |
bf269551 CL |
6593 | static int nfs4_xdr_dec_get_lease_time(struct rpc_rqst *rqstp, |
6594 | struct xdr_stream *xdr, | |
2050f0cc AA |
6595 | struct nfs4_get_lease_time_res *res) |
6596 | { | |
2050f0cc AA |
6597 | struct compound_hdr hdr; |
6598 | int status; | |
6599 | ||
bf269551 | 6600 | status = decode_compound_hdr(xdr, &hdr); |
2050f0cc | 6601 | if (!status) |
bf269551 | 6602 | status = decode_sequence(xdr, &res->lr_seq_res, rqstp); |
2050f0cc | 6603 | if (!status) |
bf269551 | 6604 | status = decode_putrootfh(xdr); |
2050f0cc | 6605 | if (!status) |
bf269551 | 6606 | status = decode_fsinfo(xdr, res->lr_fsinfo); |
2050f0cc AA |
6607 | return status; |
6608 | } | |
18019753 RL |
6609 | |
6610 | /* | |
6611 | * Decode RECLAIM_COMPLETE response | |
6612 | */ | |
bf269551 CL |
6613 | static int nfs4_xdr_dec_reclaim_complete(struct rpc_rqst *rqstp, |
6614 | struct xdr_stream *xdr, | |
18019753 RL |
6615 | struct nfs41_reclaim_complete_res *res) |
6616 | { | |
18019753 RL |
6617 | struct compound_hdr hdr; |
6618 | int status; | |
6619 | ||
bf269551 | 6620 | status = decode_compound_hdr(xdr, &hdr); |
18019753 | 6621 | if (!status) |
bf269551 | 6622 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
18019753 | 6623 | if (!status) |
bf269551 | 6624 | status = decode_reclaim_complete(xdr, (void *)NULL); |
18019753 RL |
6625 | return status; |
6626 | } | |
b1f69b75 | 6627 | |
7f11d8d3 AA |
6628 | /* |
6629 | * Decode GETDEVICELIST response | |
6630 | */ | |
6631 | static int nfs4_xdr_dec_getdevicelist(struct rpc_rqst *rqstp, | |
6632 | struct xdr_stream *xdr, | |
6633 | struct nfs4_getdevicelist_res *res) | |
6634 | { | |
6635 | struct compound_hdr hdr; | |
6636 | int status; | |
6637 | ||
6638 | dprintk("encoding getdevicelist!\n"); | |
6639 | ||
6640 | status = decode_compound_hdr(xdr, &hdr); | |
6641 | if (status != 0) | |
6642 | goto out; | |
6643 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6644 | if (status != 0) | |
6645 | goto out; | |
6646 | status = decode_putfh(xdr); | |
6647 | if (status != 0) | |
6648 | goto out; | |
6649 | status = decode_getdevicelist(xdr, res->devlist); | |
6650 | out: | |
6651 | return status; | |
6652 | } | |
6653 | ||
b1f69b75 AA |
6654 | /* |
6655 | * Decode GETDEVINFO response | |
6656 | */ | |
bf269551 CL |
6657 | static int nfs4_xdr_dec_getdeviceinfo(struct rpc_rqst *rqstp, |
6658 | struct xdr_stream *xdr, | |
b1f69b75 AA |
6659 | struct nfs4_getdeviceinfo_res *res) |
6660 | { | |
b1f69b75 AA |
6661 | struct compound_hdr hdr; |
6662 | int status; | |
6663 | ||
bf269551 | 6664 | status = decode_compound_hdr(xdr, &hdr); |
b1f69b75 AA |
6665 | if (status != 0) |
6666 | goto out; | |
bf269551 | 6667 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
b1f69b75 AA |
6668 | if (status != 0) |
6669 | goto out; | |
bf269551 | 6670 | status = decode_getdeviceinfo(xdr, res->pdev); |
b1f69b75 AA |
6671 | out: |
6672 | return status; | |
6673 | } | |
6674 | ||
6675 | /* | |
6676 | * Decode LAYOUTGET response | |
6677 | */ | |
bf269551 CL |
6678 | static int nfs4_xdr_dec_layoutget(struct rpc_rqst *rqstp, |
6679 | struct xdr_stream *xdr, | |
b1f69b75 AA |
6680 | struct nfs4_layoutget_res *res) |
6681 | { | |
b1f69b75 AA |
6682 | struct compound_hdr hdr; |
6683 | int status; | |
6684 | ||
bf269551 | 6685 | status = decode_compound_hdr(xdr, &hdr); |
b1f69b75 AA |
6686 | if (status) |
6687 | goto out; | |
bf269551 | 6688 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
b1f69b75 AA |
6689 | if (status) |
6690 | goto out; | |
bf269551 | 6691 | status = decode_putfh(xdr); |
b1f69b75 AA |
6692 | if (status) |
6693 | goto out; | |
bf269551 | 6694 | status = decode_layoutget(xdr, rqstp, res); |
b1f69b75 AA |
6695 | out: |
6696 | return status; | |
6697 | } | |
863a3c6c | 6698 | |
cbe82603 BH |
6699 | /* |
6700 | * Decode LAYOUTRETURN response | |
6701 | */ | |
6702 | static int nfs4_xdr_dec_layoutreturn(struct rpc_rqst *rqstp, | |
6703 | struct xdr_stream *xdr, | |
6704 | struct nfs4_layoutreturn_res *res) | |
6705 | { | |
6706 | struct compound_hdr hdr; | |
6707 | int status; | |
6708 | ||
6709 | status = decode_compound_hdr(xdr, &hdr); | |
6710 | if (status) | |
6711 | goto out; | |
6712 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6713 | if (status) | |
6714 | goto out; | |
6715 | status = decode_putfh(xdr); | |
6716 | if (status) | |
6717 | goto out; | |
6718 | status = decode_layoutreturn(xdr, res); | |
6719 | out: | |
6720 | return status; | |
6721 | } | |
6722 | ||
863a3c6c AA |
6723 | /* |
6724 | * Decode LAYOUTCOMMIT response | |
6725 | */ | |
6726 | static int nfs4_xdr_dec_layoutcommit(struct rpc_rqst *rqstp, | |
6727 | struct xdr_stream *xdr, | |
6728 | struct nfs4_layoutcommit_res *res) | |
6729 | { | |
6730 | struct compound_hdr hdr; | |
6731 | int status; | |
6732 | ||
6733 | status = decode_compound_hdr(xdr, &hdr); | |
6734 | if (status) | |
6735 | goto out; | |
6736 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6737 | if (status) | |
6738 | goto out; | |
6739 | status = decode_putfh(xdr); | |
6740 | if (status) | |
6741 | goto out; | |
6742 | status = decode_layoutcommit(xdr, rqstp, res); | |
6743 | if (status) | |
6744 | goto out; | |
6926afd1 | 6745 | decode_getfattr(xdr, res->fattr, res->server); |
863a3c6c AA |
6746 | out: |
6747 | return status; | |
6748 | } | |
fca78d6d BS |
6749 | |
6750 | /* | |
6751 | * Decode SECINFO_NO_NAME response | |
6752 | */ | |
6753 | static int nfs4_xdr_dec_secinfo_no_name(struct rpc_rqst *rqstp, | |
6754 | struct xdr_stream *xdr, | |
6755 | struct nfs4_secinfo_res *res) | |
6756 | { | |
6757 | struct compound_hdr hdr; | |
6758 | int status; | |
6759 | ||
6760 | status = decode_compound_hdr(xdr, &hdr); | |
6761 | if (status) | |
6762 | goto out; | |
6763 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6764 | if (status) | |
6765 | goto out; | |
6766 | status = decode_putrootfh(xdr); | |
6767 | if (status) | |
6768 | goto out; | |
31e4dda4 | 6769 | status = decode_secinfo_no_name(xdr, res); |
fca78d6d BS |
6770 | out: |
6771 | return status; | |
6772 | } | |
7d974794 BS |
6773 | |
6774 | /* | |
6775 | * Decode TEST_STATEID response | |
6776 | */ | |
6777 | static int nfs4_xdr_dec_test_stateid(struct rpc_rqst *rqstp, | |
6778 | struct xdr_stream *xdr, | |
6779 | struct nfs41_test_stateid_res *res) | |
6780 | { | |
6781 | struct compound_hdr hdr; | |
6782 | int status; | |
6783 | ||
6784 | status = decode_compound_hdr(xdr, &hdr); | |
6785 | if (status) | |
6786 | goto out; | |
6787 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6788 | if (status) | |
6789 | goto out; | |
6790 | status = decode_test_stateid(xdr, res); | |
6791 | out: | |
6792 | return status; | |
6793 | } | |
9aeda35f BS |
6794 | |
6795 | /* | |
6796 | * Decode FREE_STATEID response | |
6797 | */ | |
6798 | static int nfs4_xdr_dec_free_stateid(struct rpc_rqst *rqstp, | |
6799 | struct xdr_stream *xdr, | |
6800 | struct nfs41_free_stateid_res *res) | |
6801 | { | |
6802 | struct compound_hdr hdr; | |
6803 | int status; | |
6804 | ||
6805 | status = decode_compound_hdr(xdr, &hdr); | |
6806 | if (status) | |
6807 | goto out; | |
6808 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6809 | if (status) | |
6810 | goto out; | |
6811 | status = decode_free_stateid(xdr, res); | |
6812 | out: | |
6813 | return status; | |
6814 | } | |
99fe60d0 BH |
6815 | #endif /* CONFIG_NFS_V4_1 */ |
6816 | ||
573c4e1e CL |
6817 | /** |
6818 | * nfs4_decode_dirent - Decode a single NFSv4 directory entry stored in | |
6819 | * the local page cache. | |
6820 | * @xdr: XDR stream where entry resides | |
6821 | * @entry: buffer to fill in with entry data | |
6822 | * @plus: boolean indicating whether this should be a readdirplus entry | |
6823 | * | |
6824 | * Returns zero if successful, otherwise a negative errno value is | |
6825 | * returned. | |
6826 | * | |
6827 | * This function is not invoked during READDIR reply decoding, but | |
6828 | * rather whenever an application invokes the getdents(2) system call | |
6829 | * on a directory already in our cache. | |
6830 | */ | |
6831 | int nfs4_decode_dirent(struct xdr_stream *xdr, struct nfs_entry *entry, | |
6832 | int plus) | |
1da177e4 | 6833 | { |
dae100c2 | 6834 | uint32_t bitmap[3] = {0}; |
1da177e4 | 6835 | uint32_t len; |
babddc72 BS |
6836 | __be32 *p = xdr_inline_decode(xdr, 4); |
6837 | if (unlikely(!p)) | |
6838 | goto out_overflow; | |
c08e76d0 | 6839 | if (*p == xdr_zero) { |
babddc72 BS |
6840 | p = xdr_inline_decode(xdr, 4); |
6841 | if (unlikely(!p)) | |
6842 | goto out_overflow; | |
c08e76d0 | 6843 | if (*p == xdr_zero) |
573c4e1e | 6844 | return -EAGAIN; |
1da177e4 | 6845 | entry->eof = 1; |
573c4e1e | 6846 | return -EBADCOOKIE; |
1da177e4 LT |
6847 | } |
6848 | ||
babddc72 BS |
6849 | p = xdr_inline_decode(xdr, 12); |
6850 | if (unlikely(!p)) | |
6851 | goto out_overflow; | |
1da177e4 LT |
6852 | entry->prev_cookie = entry->cookie; |
6853 | p = xdr_decode_hyper(p, &entry->cookie); | |
c08e76d0 | 6854 | entry->len = be32_to_cpup(p); |
babddc72 | 6855 | |
9af8c222 | 6856 | p = xdr_inline_decode(xdr, entry->len); |
babddc72 BS |
6857 | if (unlikely(!p)) |
6858 | goto out_overflow; | |
1da177e4 | 6859 | entry->name = (const char *) p; |
1da177e4 LT |
6860 | |
6861 | /* | |
6862 | * In case the server doesn't return an inode number, | |
6863 | * we fake one here. (We don't use inode number 0, | |
6864 | * since glibc seems to choke on it...) | |
6865 | */ | |
6866 | entry->ino = 1; | |
4f082222 | 6867 | entry->fattr->valid = 0; |
1da177e4 | 6868 | |
9af8c222 TM |
6869 | if (decode_attr_bitmap(xdr, bitmap) < 0) |
6870 | goto out_overflow; | |
6871 | ||
6872 | if (decode_attr_length(xdr, &len, &p) < 0) | |
6873 | goto out_overflow; | |
6874 | ||
573c4e1e | 6875 | if (decode_getfattr_attrs(xdr, bitmap, entry->fattr, entry->fh, |
8b7e3f49 | 6876 | NULL, entry->server) < 0) |
9af8c222 | 6877 | goto out_overflow; |
28331a46 TM |
6878 | if (entry->fattr->valid & NFS_ATTR_FATTR_MOUNTED_ON_FILEID) |
6879 | entry->ino = entry->fattr->mounted_on_fileid; | |
6880 | else if (entry->fattr->valid & NFS_ATTR_FATTR_FILEID) | |
9af8c222 TM |
6881 | entry->ino = entry->fattr->fileid; |
6882 | ||
0b26a0bf TM |
6883 | entry->d_type = DT_UNKNOWN; |
6884 | if (entry->fattr->valid & NFS_ATTR_FATTR_TYPE) | |
6885 | entry->d_type = nfs_umode_to_dtype(entry->fattr->mode); | |
6886 | ||
573c4e1e | 6887 | return 0; |
babddc72 BS |
6888 | |
6889 | out_overflow: | |
6890 | print_overflow_msg(__func__, xdr); | |
573c4e1e | 6891 | return -EAGAIN; |
1da177e4 LT |
6892 | } |
6893 | ||
6894 | /* | |
6895 | * We need to translate between nfs status return values and | |
6896 | * the local errno values which may not be the same. | |
6897 | */ | |
6898 | static struct { | |
6899 | int stat; | |
6900 | int errno; | |
6901 | } nfs_errtbl[] = { | |
6902 | { NFS4_OK, 0 }, | |
856dff3d BH |
6903 | { NFS4ERR_PERM, -EPERM }, |
6904 | { NFS4ERR_NOENT, -ENOENT }, | |
6905 | { NFS4ERR_IO, -errno_NFSERR_IO}, | |
6906 | { NFS4ERR_NXIO, -ENXIO }, | |
6907 | { NFS4ERR_ACCESS, -EACCES }, | |
6908 | { NFS4ERR_EXIST, -EEXIST }, | |
6909 | { NFS4ERR_XDEV, -EXDEV }, | |
6910 | { NFS4ERR_NOTDIR, -ENOTDIR }, | |
6911 | { NFS4ERR_ISDIR, -EISDIR }, | |
6912 | { NFS4ERR_INVAL, -EINVAL }, | |
6913 | { NFS4ERR_FBIG, -EFBIG }, | |
6914 | { NFS4ERR_NOSPC, -ENOSPC }, | |
6915 | { NFS4ERR_ROFS, -EROFS }, | |
6916 | { NFS4ERR_MLINK, -EMLINK }, | |
6917 | { NFS4ERR_NAMETOOLONG, -ENAMETOOLONG }, | |
6918 | { NFS4ERR_NOTEMPTY, -ENOTEMPTY }, | |
6919 | { NFS4ERR_DQUOT, -EDQUOT }, | |
6920 | { NFS4ERR_STALE, -ESTALE }, | |
6921 | { NFS4ERR_BADHANDLE, -EBADHANDLE }, | |
856dff3d BH |
6922 | { NFS4ERR_BAD_COOKIE, -EBADCOOKIE }, |
6923 | { NFS4ERR_NOTSUPP, -ENOTSUPP }, | |
6924 | { NFS4ERR_TOOSMALL, -ETOOSMALL }, | |
fdcb4577 | 6925 | { NFS4ERR_SERVERFAULT, -EREMOTEIO }, |
856dff3d BH |
6926 | { NFS4ERR_BADTYPE, -EBADTYPE }, |
6927 | { NFS4ERR_LOCKED, -EAGAIN }, | |
856dff3d BH |
6928 | { NFS4ERR_SYMLINK, -ELOOP }, |
6929 | { NFS4ERR_OP_ILLEGAL, -EOPNOTSUPP }, | |
6930 | { NFS4ERR_DEADLOCK, -EDEADLK }, | |
856dff3d | 6931 | { -1, -EIO } |
1da177e4 LT |
6932 | }; |
6933 | ||
6934 | /* | |
6935 | * Convert an NFS error code to a local one. | |
6936 | * This one is used jointly by NFSv2 and NFSv3. | |
6937 | */ | |
6938 | static int | |
0a8ea437 | 6939 | nfs4_stat_to_errno(int stat) |
1da177e4 LT |
6940 | { |
6941 | int i; | |
6942 | for (i = 0; nfs_errtbl[i].stat != -1; i++) { | |
6943 | if (nfs_errtbl[i].stat == stat) | |
6944 | return nfs_errtbl[i].errno; | |
6945 | } | |
6946 | if (stat <= 10000 || stat > 10100) { | |
6947 | /* The server is looney tunes. */ | |
fdcb4577 | 6948 | return -EREMOTEIO; |
1da177e4 LT |
6949 | } |
6950 | /* If we cannot translate the error, the recovery routines should | |
6951 | * handle it. | |
6952 | * Note: remaining NFSv4 error codes have values > 10000, so should | |
6953 | * not conflict with native Linux error codes. | |
6954 | */ | |
856dff3d | 6955 | return -stat; |
1da177e4 LT |
6956 | } |
6957 | ||
1da177e4 LT |
6958 | #define PROC(proc, argtype, restype) \ |
6959 | [NFSPROC4_CLNT_##proc] = { \ | |
6960 | .p_proc = NFSPROC4_COMPOUND, \ | |
9f06c719 | 6961 | .p_encode = (kxdreproc_t)nfs4_xdr_##argtype, \ |
bf269551 | 6962 | .p_decode = (kxdrdproc_t)nfs4_xdr_##restype, \ |
2bea90d4 CL |
6963 | .p_arglen = NFS4_##argtype##_sz, \ |
6964 | .p_replen = NFS4_##restype##_sz, \ | |
cc0175c1 CL |
6965 | .p_statidx = NFSPROC4_CLNT_##proc, \ |
6966 | .p_name = #proc, \ | |
05d564fe | 6967 | } |
1da177e4 LT |
6968 | |
6969 | struct rpc_procinfo nfs4_procedures[] = { | |
7d93bd71 CL |
6970 | PROC(READ, enc_read, dec_read), |
6971 | PROC(WRITE, enc_write, dec_write), | |
6972 | PROC(COMMIT, enc_commit, dec_commit), | |
6973 | PROC(OPEN, enc_open, dec_open), | |
6974 | PROC(OPEN_CONFIRM, enc_open_confirm, dec_open_confirm), | |
6975 | PROC(OPEN_NOATTR, enc_open_noattr, dec_open_noattr), | |
6976 | PROC(OPEN_DOWNGRADE, enc_open_downgrade, dec_open_downgrade), | |
6977 | PROC(CLOSE, enc_close, dec_close), | |
6978 | PROC(SETATTR, enc_setattr, dec_setattr), | |
6979 | PROC(FSINFO, enc_fsinfo, dec_fsinfo), | |
6980 | PROC(RENEW, enc_renew, dec_renew), | |
6981 | PROC(SETCLIENTID, enc_setclientid, dec_setclientid), | |
6982 | PROC(SETCLIENTID_CONFIRM, enc_setclientid_confirm, dec_setclientid_confirm), | |
6983 | PROC(LOCK, enc_lock, dec_lock), | |
6984 | PROC(LOCKT, enc_lockt, dec_lockt), | |
6985 | PROC(LOCKU, enc_locku, dec_locku), | |
6986 | PROC(ACCESS, enc_access, dec_access), | |
6987 | PROC(GETATTR, enc_getattr, dec_getattr), | |
6988 | PROC(LOOKUP, enc_lookup, dec_lookup), | |
6989 | PROC(LOOKUP_ROOT, enc_lookup_root, dec_lookup_root), | |
6990 | PROC(REMOVE, enc_remove, dec_remove), | |
6991 | PROC(RENAME, enc_rename, dec_rename), | |
6992 | PROC(LINK, enc_link, dec_link), | |
6993 | PROC(SYMLINK, enc_symlink, dec_symlink), | |
6994 | PROC(CREATE, enc_create, dec_create), | |
6995 | PROC(PATHCONF, enc_pathconf, dec_pathconf), | |
6996 | PROC(STATFS, enc_statfs, dec_statfs), | |
6997 | PROC(READLINK, enc_readlink, dec_readlink), | |
6998 | PROC(READDIR, enc_readdir, dec_readdir), | |
6999 | PROC(SERVER_CAPS, enc_server_caps, dec_server_caps), | |
7000 | PROC(DELEGRETURN, enc_delegreturn, dec_delegreturn), | |
7001 | PROC(GETACL, enc_getacl, dec_getacl), | |
7002 | PROC(SETACL, enc_setacl, dec_setacl), | |
7003 | PROC(FS_LOCATIONS, enc_fs_locations, dec_fs_locations), | |
7004 | PROC(RELEASE_LOCKOWNER, enc_release_lockowner, dec_release_lockowner), | |
5a5ea0d4 | 7005 | PROC(SECINFO, enc_secinfo, dec_secinfo), |
99fe60d0 | 7006 | #if defined(CONFIG_NFS_V4_1) |
7d93bd71 CL |
7007 | PROC(EXCHANGE_ID, enc_exchange_id, dec_exchange_id), |
7008 | PROC(CREATE_SESSION, enc_create_session, dec_create_session), | |
7009 | PROC(DESTROY_SESSION, enc_destroy_session, dec_destroy_session), | |
7010 | PROC(SEQUENCE, enc_sequence, dec_sequence), | |
7011 | PROC(GET_LEASE_TIME, enc_get_lease_time, dec_get_lease_time), | |
7012 | PROC(RECLAIM_COMPLETE, enc_reclaim_complete, dec_reclaim_complete), | |
7013 | PROC(GETDEVICEINFO, enc_getdeviceinfo, dec_getdeviceinfo), | |
7014 | PROC(LAYOUTGET, enc_layoutget, dec_layoutget), | |
863a3c6c | 7015 | PROC(LAYOUTCOMMIT, enc_layoutcommit, dec_layoutcommit), |
cbe82603 | 7016 | PROC(LAYOUTRETURN, enc_layoutreturn, dec_layoutreturn), |
fca78d6d | 7017 | PROC(SECINFO_NO_NAME, enc_secinfo_no_name, dec_secinfo_no_name), |
7d974794 | 7018 | PROC(TEST_STATEID, enc_test_stateid, dec_test_stateid), |
9aeda35f | 7019 | PROC(FREE_STATEID, enc_free_stateid, dec_free_stateid), |
7f11d8d3 | 7020 | PROC(GETDEVICELIST, enc_getdevicelist, dec_getdevicelist), |
99fe60d0 | 7021 | #endif /* CONFIG_NFS_V4_1 */ |
1da177e4 LT |
7022 | }; |
7023 | ||
a613fa16 | 7024 | const struct rpc_version nfs_version4 = { |
1da177e4 | 7025 | .number = 4, |
e8c96f8c | 7026 | .nrprocs = ARRAY_SIZE(nfs4_procedures), |
1da177e4 LT |
7027 | .procs = nfs4_procedures |
7028 | }; | |
7029 | ||
7030 | /* | |
7031 | * Local variables: | |
7032 | * c-basic-offset: 8 | |
7033 | * End: | |
7034 | */ |