Commit | Line | Data |
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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> | |
4ce79717 | 56 | #include "nfs4_fs.h" |
4882ef72 | 57 | #include "internal.h" |
b1f69b75 | 58 | #include "pnfs.h" |
1da177e4 LT |
59 | |
60 | #define NFSDBG_FACILITY NFSDBG_XDR | |
61 | ||
62 | /* Mapping from NFS error code to "errno" error code. */ | |
63 | #define errno_NFSERR_IO EIO | |
64 | ||
0a8ea437 | 65 | static int nfs4_stat_to_errno(int); |
1da177e4 LT |
66 | |
67 | /* NFSv4 COMPOUND tags are only wanted for debugging purposes */ | |
68 | #ifdef DEBUG | |
69 | #define NFS4_MAXTAGLEN 20 | |
70 | #else | |
71 | #define NFS4_MAXTAGLEN 0 | |
72 | #endif | |
73 | ||
6c0195a4 | 74 | /* lock,open owner id: |
9f958ab8 | 75 | * we currently use size 2 (u64) out of (NFS4_OPAQUE_LIMIT >> 2) |
1da177e4 | 76 | */ |
95b72eb0 | 77 | #define open_owner_id_maxsz (1 + 2 + 1 + 1 + 2) |
d035c36c | 78 | #define lock_owner_id_maxsz (1 + 1 + 4) |
9104a55d | 79 | #define decode_lockowner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) |
1da177e4 LT |
80 | #define compound_encode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2)) |
81 | #define compound_decode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2)) | |
82 | #define op_encode_hdr_maxsz (1) | |
83 | #define op_decode_hdr_maxsz (2) | |
9104a55d TM |
84 | #define encode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE)) |
85 | #define decode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE)) | |
86 | #define encode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE)) | |
87 | #define decode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE)) | |
1da177e4 LT |
88 | #define encode_putfh_maxsz (op_encode_hdr_maxsz + 1 + \ |
89 | (NFS4_FHSIZE >> 2)) | |
90 | #define decode_putfh_maxsz (op_decode_hdr_maxsz) | |
91 | #define encode_putrootfh_maxsz (op_encode_hdr_maxsz) | |
92 | #define decode_putrootfh_maxsz (op_decode_hdr_maxsz) | |
93 | #define encode_getfh_maxsz (op_encode_hdr_maxsz) | |
94 | #define decode_getfh_maxsz (op_decode_hdr_maxsz + 1 + \ | |
95 | ((3+NFS4_FHSIZE) >> 2)) | |
e5012d1f | 96 | #define nfs4_fattr_bitmap_maxsz 4 |
96928206 | 97 | #define encode_getattr_maxsz (op_encode_hdr_maxsz + nfs4_fattr_bitmap_maxsz) |
1da177e4 LT |
98 | #define nfs4_name_maxsz (1 + ((3 + NFS4_MAXNAMLEN) >> 2)) |
99 | #define nfs4_path_maxsz (1 + ((3 + NFS4_MAXPATHLEN) >> 2)) | |
bd625ba8 TM |
100 | #define nfs4_owner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) |
101 | #define nfs4_group_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) | |
96928206 BF |
102 | /* This is based on getfattr, which uses the most attributes: */ |
103 | #define nfs4_fattr_value_maxsz (1 + (1 + 2 + 2 + 4 + 2 + 1 + 1 + 2 + 2 + \ | |
bd625ba8 | 104 | 3 + 3 + 3 + nfs4_owner_maxsz + nfs4_group_maxsz)) |
96928206 BF |
105 | #define nfs4_fattr_maxsz (nfs4_fattr_bitmap_maxsz + \ |
106 | nfs4_fattr_value_maxsz) | |
107 | #define decode_getattr_maxsz (op_decode_hdr_maxsz + nfs4_fattr_maxsz) | |
9104a55d TM |
108 | #define encode_attrs_maxsz (nfs4_fattr_bitmap_maxsz + \ |
109 | 1 + 2 + 1 + \ | |
110 | nfs4_owner_maxsz + \ | |
111 | nfs4_group_maxsz + \ | |
112 | 4 + 4) | |
1da177e4 LT |
113 | #define encode_savefh_maxsz (op_encode_hdr_maxsz) |
114 | #define decode_savefh_maxsz (op_decode_hdr_maxsz) | |
56ae19f3 TM |
115 | #define encode_restorefh_maxsz (op_encode_hdr_maxsz) |
116 | #define decode_restorefh_maxsz (op_decode_hdr_maxsz) | |
2f42b5d0 | 117 | #define encode_fsinfo_maxsz (encode_getattr_maxsz) |
dae100c2 FI |
118 | /* The 5 accounts for the PNFS attributes, and assumes that at most three |
119 | * layout types will be returned. | |
120 | */ | |
121 | #define decode_fsinfo_maxsz (op_decode_hdr_maxsz + \ | |
122 | nfs4_fattr_bitmap_maxsz + 4 + 8 + 5) | |
1da177e4 LT |
123 | #define encode_renew_maxsz (op_encode_hdr_maxsz + 3) |
124 | #define decode_renew_maxsz (op_decode_hdr_maxsz) | |
125 | #define encode_setclientid_maxsz \ | |
126 | (op_encode_hdr_maxsz + \ | |
cc38bac3 CL |
127 | XDR_QUADLEN(NFS4_VERIFIER_SIZE) + \ |
128 | XDR_QUADLEN(NFS4_SETCLIENTID_NAMELEN) + \ | |
129 | 1 /* sc_prog */ + \ | |
130 | XDR_QUADLEN(RPCBIND_MAXNETIDLEN) + \ | |
131 | XDR_QUADLEN(RPCBIND_MAXUADDRLEN) + \ | |
132 | 1) /* sc_cb_ident */ | |
1da177e4 LT |
133 | #define decode_setclientid_maxsz \ |
134 | (op_decode_hdr_maxsz + \ | |
135 | 2 + \ | |
136 | 1024) /* large value for CLID_INUSE */ | |
137 | #define encode_setclientid_confirm_maxsz \ | |
138 | (op_encode_hdr_maxsz + \ | |
139 | 3 + (NFS4_VERIFIER_SIZE >> 2)) | |
140 | #define decode_setclientid_confirm_maxsz \ | |
141 | (op_decode_hdr_maxsz) | |
e6889620 TM |
142 | #define encode_lookup_maxsz (op_encode_hdr_maxsz + nfs4_name_maxsz) |
143 | #define decode_lookup_maxsz (op_decode_hdr_maxsz) | |
2cebf828 TM |
144 | #define encode_share_access_maxsz \ |
145 | (2) | |
4882ef72 | 146 | #define encode_createmode_maxsz (1 + encode_attrs_maxsz + encode_verifier_maxsz) |
2cebf828 TM |
147 | #define encode_opentype_maxsz (1 + encode_createmode_maxsz) |
148 | #define encode_claim_null_maxsz (1 + nfs4_name_maxsz) | |
149 | #define encode_open_maxsz (op_encode_hdr_maxsz + \ | |
150 | 2 + encode_share_access_maxsz + 2 + \ | |
151 | open_owner_id_maxsz + \ | |
152 | encode_opentype_maxsz + \ | |
153 | encode_claim_null_maxsz) | |
154 | #define decode_ace_maxsz (3 + nfs4_owner_maxsz) | |
9104a55d | 155 | #define decode_delegation_maxsz (1 + decode_stateid_maxsz + 1 + \ |
2cebf828 TM |
156 | decode_ace_maxsz) |
157 | #define decode_change_info_maxsz (5) | |
158 | #define decode_open_maxsz (op_decode_hdr_maxsz + \ | |
9104a55d | 159 | decode_stateid_maxsz + \ |
2cebf828 TM |
160 | decode_change_info_maxsz + 1 + \ |
161 | nfs4_fattr_bitmap_maxsz + \ | |
162 | decode_delegation_maxsz) | |
9104a55d TM |
163 | #define encode_open_confirm_maxsz \ |
164 | (op_encode_hdr_maxsz + \ | |
165 | encode_stateid_maxsz + 1) | |
166 | #define decode_open_confirm_maxsz \ | |
167 | (op_decode_hdr_maxsz + \ | |
168 | decode_stateid_maxsz) | |
169 | #define encode_open_downgrade_maxsz \ | |
170 | (op_encode_hdr_maxsz + \ | |
171 | encode_stateid_maxsz + 1 + \ | |
172 | encode_share_access_maxsz) | |
173 | #define decode_open_downgrade_maxsz \ | |
174 | (op_decode_hdr_maxsz + \ | |
175 | decode_stateid_maxsz) | |
176 | #define encode_close_maxsz (op_encode_hdr_maxsz + \ | |
177 | 1 + encode_stateid_maxsz) | |
178 | #define decode_close_maxsz (op_decode_hdr_maxsz + \ | |
179 | decode_stateid_maxsz) | |
180 | #define encode_setattr_maxsz (op_encode_hdr_maxsz + \ | |
181 | encode_stateid_maxsz + \ | |
182 | encode_attrs_maxsz) | |
183 | #define decode_setattr_maxsz (op_decode_hdr_maxsz + \ | |
184 | nfs4_fattr_bitmap_maxsz) | |
185 | #define encode_read_maxsz (op_encode_hdr_maxsz + \ | |
186 | encode_stateid_maxsz + 3) | |
187 | #define decode_read_maxsz (op_decode_hdr_maxsz + 2) | |
188 | #define encode_readdir_maxsz (op_encode_hdr_maxsz + \ | |
189 | 2 + encode_verifier_maxsz + 5) | |
190 | #define decode_readdir_maxsz (op_decode_hdr_maxsz + \ | |
191 | decode_verifier_maxsz) | |
192 | #define encode_readlink_maxsz (op_encode_hdr_maxsz) | |
193 | #define decode_readlink_maxsz (op_decode_hdr_maxsz + 1) | |
194 | #define encode_write_maxsz (op_encode_hdr_maxsz + \ | |
195 | encode_stateid_maxsz + 4) | |
196 | #define decode_write_maxsz (op_decode_hdr_maxsz + \ | |
197 | 2 + decode_verifier_maxsz) | |
198 | #define encode_commit_maxsz (op_encode_hdr_maxsz + 3) | |
199 | #define decode_commit_maxsz (op_decode_hdr_maxsz + \ | |
200 | decode_verifier_maxsz) | |
1da177e4 LT |
201 | #define encode_remove_maxsz (op_encode_hdr_maxsz + \ |
202 | nfs4_name_maxsz) | |
6ce18391 BH |
203 | #define decode_remove_maxsz (op_decode_hdr_maxsz + \ |
204 | decode_change_info_maxsz) | |
1da177e4 LT |
205 | #define encode_rename_maxsz (op_encode_hdr_maxsz + \ |
206 | 2 * nfs4_name_maxsz) | |
6ce18391 BH |
207 | #define decode_rename_maxsz (op_decode_hdr_maxsz + \ |
208 | decode_change_info_maxsz + \ | |
209 | decode_change_info_maxsz) | |
1da177e4 LT |
210 | #define encode_link_maxsz (op_encode_hdr_maxsz + \ |
211 | nfs4_name_maxsz) | |
6ce18391 | 212 | #define decode_link_maxsz (op_decode_hdr_maxsz + decode_change_info_maxsz) |
daccbded | 213 | #define encode_lockowner_maxsz (7) |
9104a55d TM |
214 | #define encode_lock_maxsz (op_encode_hdr_maxsz + \ |
215 | 7 + \ | |
daccbded TM |
216 | 1 + encode_stateid_maxsz + 1 + \ |
217 | encode_lockowner_maxsz) | |
9104a55d TM |
218 | #define decode_lock_denied_maxsz \ |
219 | (8 + decode_lockowner_maxsz) | |
220 | #define decode_lock_maxsz (op_decode_hdr_maxsz + \ | |
221 | decode_lock_denied_maxsz) | |
daccbded TM |
222 | #define encode_lockt_maxsz (op_encode_hdr_maxsz + 5 + \ |
223 | encode_lockowner_maxsz) | |
9104a55d TM |
224 | #define decode_lockt_maxsz (op_decode_hdr_maxsz + \ |
225 | decode_lock_denied_maxsz) | |
226 | #define encode_locku_maxsz (op_encode_hdr_maxsz + 3 + \ | |
227 | encode_stateid_maxsz + \ | |
228 | 4) | |
229 | #define decode_locku_maxsz (op_decode_hdr_maxsz + \ | |
230 | decode_stateid_maxsz) | |
d3c7b7cc TM |
231 | #define encode_release_lockowner_maxsz \ |
232 | (op_encode_hdr_maxsz + \ | |
233 | encode_lockowner_maxsz) | |
234 | #define decode_release_lockowner_maxsz \ | |
235 | (op_decode_hdr_maxsz) | |
9104a55d TM |
236 | #define encode_access_maxsz (op_encode_hdr_maxsz + 1) |
237 | #define decode_access_maxsz (op_decode_hdr_maxsz + 2) | |
1da177e4 LT |
238 | #define encode_symlink_maxsz (op_encode_hdr_maxsz + \ |
239 | 1 + nfs4_name_maxsz + \ | |
94a6d753 | 240 | 1 + \ |
96928206 | 241 | nfs4_fattr_maxsz) |
1da177e4 LT |
242 | #define decode_symlink_maxsz (op_decode_hdr_maxsz + 8) |
243 | #define encode_create_maxsz (op_encode_hdr_maxsz + \ | |
9104a55d TM |
244 | 1 + 2 + nfs4_name_maxsz + \ |
245 | encode_attrs_maxsz) | |
2cebf828 TM |
246 | #define decode_create_maxsz (op_decode_hdr_maxsz + \ |
247 | decode_change_info_maxsz + \ | |
248 | nfs4_fattr_bitmap_maxsz) | |
9104a55d TM |
249 | #define encode_statfs_maxsz (encode_getattr_maxsz) |
250 | #define decode_statfs_maxsz (decode_getattr_maxsz) | |
1da177e4 LT |
251 | #define encode_delegreturn_maxsz (op_encode_hdr_maxsz + 4) |
252 | #define decode_delegreturn_maxsz (op_decode_hdr_maxsz) | |
9104a55d TM |
253 | #define encode_getacl_maxsz (encode_getattr_maxsz) |
254 | #define decode_getacl_maxsz (op_decode_hdr_maxsz + \ | |
255 | nfs4_fattr_bitmap_maxsz + 1) | |
256 | #define encode_setacl_maxsz (op_encode_hdr_maxsz + \ | |
257 | encode_stateid_maxsz + 3) | |
258 | #define decode_setacl_maxsz (decode_setattr_maxsz) | |
e6889620 TM |
259 | #define encode_fs_locations_maxsz \ |
260 | (encode_getattr_maxsz) | |
261 | #define decode_fs_locations_maxsz \ | |
262 | (0) | |
5a5ea0d4 | 263 | #define encode_secinfo_maxsz (op_encode_hdr_maxsz + nfs4_name_maxsz) |
1650add2 | 264 | #define decode_secinfo_maxsz (op_decode_hdr_maxsz + 1 + ((NFS_MAX_SECFLAVORS * (16 + GSS_OID_MAX_LEN)) / 4)) |
9b7b9fcc AA |
265 | |
266 | #if defined(CONFIG_NFS_V4_1) | |
fc931582 AA |
267 | #define NFS4_MAX_MACHINE_NAME_LEN (64) |
268 | ||
99fe60d0 BH |
269 | #define encode_exchange_id_maxsz (op_encode_hdr_maxsz + \ |
270 | encode_verifier_maxsz + \ | |
271 | 1 /* co_ownerid.len */ + \ | |
272 | XDR_QUADLEN(NFS4_EXCHANGE_ID_LEN) + \ | |
273 | 1 /* flags */ + \ | |
274 | 1 /* spa_how */ + \ | |
275 | 0 /* SP4_NONE (for now) */ + \ | |
db8ac8ba WAA |
276 | 1 /* implementation id array of size 1 */ + \ |
277 | 1 /* nii_domain */ + \ | |
278 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
279 | 1 /* nii_name */ + \ | |
280 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
281 | 3 /* nii_date */) | |
99fe60d0 BH |
282 | #define decode_exchange_id_maxsz (op_decode_hdr_maxsz + \ |
283 | 2 /* eir_clientid */ + \ | |
284 | 1 /* eir_sequenceid */ + \ | |
285 | 1 /* eir_flags */ + \ | |
286 | 1 /* spr_how */ + \ | |
287 | 0 /* SP4_NONE (for now) */ + \ | |
288 | 2 /* eir_server_owner.so_minor_id */ + \ | |
289 | /* eir_server_owner.so_major_id<> */ \ | |
290 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 + \ | |
291 | /* eir_server_scope<> */ \ | |
292 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 + \ | |
293 | 1 /* eir_server_impl_id array length */ + \ | |
7d2ed9ac WAA |
294 | 1 /* nii_domain */ + \ |
295 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
296 | 1 /* nii_name */ + \ | |
297 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
298 | 3 /* nii_date */) | |
fc931582 AA |
299 | #define encode_channel_attrs_maxsz (6 + 1 /* ca_rdma_ird.len (0) */) |
300 | #define decode_channel_attrs_maxsz (6 + \ | |
301 | 1 /* ca_rdma_ird.len */ + \ | |
302 | 1 /* ca_rdma_ird */) | |
303 | #define encode_create_session_maxsz (op_encode_hdr_maxsz + \ | |
304 | 2 /* csa_clientid */ + \ | |
305 | 1 /* csa_sequence */ + \ | |
306 | 1 /* csa_flags */ + \ | |
307 | encode_channel_attrs_maxsz + \ | |
308 | encode_channel_attrs_maxsz + \ | |
309 | 1 /* csa_cb_program */ + \ | |
310 | 1 /* csa_sec_parms.len (1) */ + \ | |
311 | 1 /* cb_secflavor (AUTH_SYS) */ + \ | |
312 | 1 /* stamp */ + \ | |
313 | 1 /* machinename.len */ + \ | |
314 | XDR_QUADLEN(NFS4_MAX_MACHINE_NAME_LEN) + \ | |
315 | 1 /* uid */ + \ | |
316 | 1 /* gid */ + \ | |
317 | 1 /* gids.len (0) */) | |
318 | #define decode_create_session_maxsz (op_decode_hdr_maxsz + \ | |
319 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + \ | |
320 | 1 /* csr_sequence */ + \ | |
321 | 1 /* csr_flags */ + \ | |
322 | decode_channel_attrs_maxsz + \ | |
323 | decode_channel_attrs_maxsz) | |
0f3e66c6 AA |
324 | #define encode_destroy_session_maxsz (op_encode_hdr_maxsz + 4) |
325 | #define decode_destroy_session_maxsz (op_decode_hdr_maxsz) | |
fc01cea9 AA |
326 | #define encode_sequence_maxsz (op_encode_hdr_maxsz + \ |
327 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 4) | |
328 | #define decode_sequence_maxsz (op_decode_hdr_maxsz + \ | |
329 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 5) | |
18019753 RL |
330 | #define encode_reclaim_complete_maxsz (op_encode_hdr_maxsz + 4) |
331 | #define decode_reclaim_complete_maxsz (op_decode_hdr_maxsz + 4) | |
7f11d8d3 AA |
332 | #define encode_getdevicelist_maxsz (op_encode_hdr_maxsz + 4 + \ |
333 | encode_verifier_maxsz) | |
334 | #define decode_getdevicelist_maxsz (op_decode_hdr_maxsz + \ | |
335 | 2 /* nfs_cookie4 gdlr_cookie */ + \ | |
336 | decode_verifier_maxsz \ | |
337 | /* verifier4 gdlr_verifier */ + \ | |
338 | 1 /* gdlr_deviceid_list count */ + \ | |
339 | XDR_QUADLEN(NFS4_PNFS_GETDEVLIST_MAXNUM * \ | |
340 | NFS4_DEVICEID4_SIZE) \ | |
341 | /* gdlr_deviceid_list */ + \ | |
342 | 1 /* bool gdlr_eof */) | |
b1f69b75 AA |
343 | #define encode_getdeviceinfo_maxsz (op_encode_hdr_maxsz + 4 + \ |
344 | XDR_QUADLEN(NFS4_DEVICEID4_SIZE)) | |
345 | #define decode_getdeviceinfo_maxsz (op_decode_hdr_maxsz + \ | |
346 | 1 /* layout type */ + \ | |
347 | 1 /* opaque devaddr4 length */ + \ | |
348 | /* devaddr4 payload is read into page */ \ | |
349 | 1 /* notification bitmap length */ + \ | |
350 | 1 /* notification bitmap */) | |
351 | #define encode_layoutget_maxsz (op_encode_hdr_maxsz + 10 + \ | |
352 | encode_stateid_maxsz) | |
353 | #define decode_layoutget_maxsz (op_decode_hdr_maxsz + 8 + \ | |
354 | decode_stateid_maxsz + \ | |
355 | XDR_QUADLEN(PNFS_LAYOUT_MAXSIZE)) | |
863a3c6c AA |
356 | #define encode_layoutcommit_maxsz (op_encode_hdr_maxsz + \ |
357 | 2 /* offset */ + \ | |
358 | 2 /* length */ + \ | |
359 | 1 /* reclaim */ + \ | |
360 | encode_stateid_maxsz + \ | |
361 | 1 /* new offset (true) */ + \ | |
362 | 2 /* last byte written */ + \ | |
363 | 1 /* nt_timechanged (false) */ + \ | |
364 | 1 /* layoutupdate4 layout type */ + \ | |
365 | 1 /* NULL filelayout layoutupdate4 payload */) | |
366 | #define decode_layoutcommit_maxsz (op_decode_hdr_maxsz + 3) | |
cbe82603 BH |
367 | #define encode_layoutreturn_maxsz (8 + op_encode_hdr_maxsz + \ |
368 | encode_stateid_maxsz + \ | |
369 | 1 /* FIXME: opaque lrf_body always empty at the moment */) | |
370 | #define decode_layoutreturn_maxsz (op_decode_hdr_maxsz + \ | |
371 | 1 + decode_stateid_maxsz) | |
fca78d6d BS |
372 | #define encode_secinfo_no_name_maxsz (op_encode_hdr_maxsz + 1) |
373 | #define decode_secinfo_no_name_maxsz decode_secinfo_maxsz | |
7d974794 BS |
374 | #define encode_test_stateid_maxsz (op_encode_hdr_maxsz + 2 + \ |
375 | XDR_QUADLEN(NFS4_STATEID_SIZE)) | |
376 | #define decode_test_stateid_maxsz (op_decode_hdr_maxsz + 2 + 1) | |
9aeda35f BS |
377 | #define encode_free_stateid_maxsz (op_encode_hdr_maxsz + 1 + \ |
378 | XDR_QUADLEN(NFS4_STATEID_SIZE)) | |
379 | #define decode_free_stateid_maxsz (op_decode_hdr_maxsz + 1) | |
9b7b9fcc AA |
380 | #else /* CONFIG_NFS_V4_1 */ |
381 | #define encode_sequence_maxsz 0 | |
382 | #define decode_sequence_maxsz 0 | |
383 | #endif /* CONFIG_NFS_V4_1 */ | |
384 | ||
1da177e4 LT |
385 | #define NFS4_enc_compound_sz (1024) /* XXX: large enough? */ |
386 | #define NFS4_dec_compound_sz (1024) /* XXX: large enough? */ | |
387 | #define NFS4_enc_read_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 388 | encode_sequence_maxsz + \ |
1da177e4 | 389 | encode_putfh_maxsz + \ |
9104a55d | 390 | encode_read_maxsz) |
1da177e4 | 391 | #define NFS4_dec_read_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 392 | decode_sequence_maxsz + \ |
1da177e4 | 393 | decode_putfh_maxsz + \ |
9104a55d | 394 | decode_read_maxsz) |
1da177e4 | 395 | #define NFS4_enc_readlink_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 396 | encode_sequence_maxsz + \ |
1da177e4 | 397 | encode_putfh_maxsz + \ |
9104a55d | 398 | encode_readlink_maxsz) |
1da177e4 | 399 | #define NFS4_dec_readlink_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 400 | decode_sequence_maxsz + \ |
1da177e4 | 401 | decode_putfh_maxsz + \ |
9104a55d | 402 | decode_readlink_maxsz) |
1da177e4 | 403 | #define NFS4_enc_readdir_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 404 | encode_sequence_maxsz + \ |
1da177e4 | 405 | encode_putfh_maxsz + \ |
9104a55d | 406 | encode_readdir_maxsz) |
1da177e4 | 407 | #define NFS4_dec_readdir_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 408 | decode_sequence_maxsz + \ |
1da177e4 | 409 | decode_putfh_maxsz + \ |
9104a55d | 410 | decode_readdir_maxsz) |
1da177e4 | 411 | #define NFS4_enc_write_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 412 | encode_sequence_maxsz + \ |
1da177e4 | 413 | encode_putfh_maxsz + \ |
9104a55d | 414 | encode_write_maxsz + \ |
4f9838c7 | 415 | encode_getattr_maxsz) |
1da177e4 | 416 | #define NFS4_dec_write_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 417 | decode_sequence_maxsz + \ |
1da177e4 | 418 | decode_putfh_maxsz + \ |
9104a55d | 419 | decode_write_maxsz + \ |
4f9838c7 | 420 | decode_getattr_maxsz) |
1da177e4 | 421 | #define NFS4_enc_commit_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 422 | encode_sequence_maxsz + \ |
1da177e4 | 423 | encode_putfh_maxsz + \ |
9104a55d | 424 | encode_commit_maxsz + \ |
4f9838c7 | 425 | encode_getattr_maxsz) |
1da177e4 | 426 | #define NFS4_dec_commit_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 427 | decode_sequence_maxsz + \ |
1da177e4 | 428 | decode_putfh_maxsz + \ |
9104a55d | 429 | decode_commit_maxsz + \ |
4f9838c7 | 430 | decode_getattr_maxsz) |
1da177e4 | 431 | #define NFS4_enc_open_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 432 | encode_sequence_maxsz + \ |
2cebf828 TM |
433 | encode_putfh_maxsz + \ |
434 | encode_savefh_maxsz + \ | |
435 | encode_open_maxsz + \ | |
436 | encode_getfh_maxsz + \ | |
437 | encode_getattr_maxsz + \ | |
438 | encode_restorefh_maxsz + \ | |
439 | encode_getattr_maxsz) | |
1da177e4 | 440 | #define NFS4_dec_open_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 441 | decode_sequence_maxsz + \ |
2cebf828 TM |
442 | decode_putfh_maxsz + \ |
443 | decode_savefh_maxsz + \ | |
444 | decode_open_maxsz + \ | |
445 | decode_getfh_maxsz + \ | |
446 | decode_getattr_maxsz + \ | |
447 | decode_restorefh_maxsz + \ | |
448 | decode_getattr_maxsz) | |
9104a55d TM |
449 | #define NFS4_enc_open_confirm_sz \ |
450 | (compound_encode_hdr_maxsz + \ | |
451 | encode_putfh_maxsz + \ | |
452 | encode_open_confirm_maxsz) | |
453 | #define NFS4_dec_open_confirm_sz \ | |
454 | (compound_decode_hdr_maxsz + \ | |
455 | decode_putfh_maxsz + \ | |
456 | decode_open_confirm_maxsz) | |
1da177e4 | 457 | #define NFS4_enc_open_noattr_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 458 | encode_sequence_maxsz + \ |
1da177e4 | 459 | encode_putfh_maxsz + \ |
2cebf828 TM |
460 | encode_open_maxsz + \ |
461 | encode_getattr_maxsz) | |
1da177e4 | 462 | #define NFS4_dec_open_noattr_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 463 | decode_sequence_maxsz + \ |
1da177e4 | 464 | decode_putfh_maxsz + \ |
2cebf828 TM |
465 | decode_open_maxsz + \ |
466 | decode_getattr_maxsz) | |
1da177e4 LT |
467 | #define NFS4_enc_open_downgrade_sz \ |
468 | (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 469 | encode_sequence_maxsz + \ |
9104a55d TM |
470 | encode_putfh_maxsz + \ |
471 | encode_open_downgrade_maxsz + \ | |
472 | encode_getattr_maxsz) | |
1da177e4 LT |
473 | #define NFS4_dec_open_downgrade_sz \ |
474 | (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 475 | decode_sequence_maxsz + \ |
9104a55d TM |
476 | decode_putfh_maxsz + \ |
477 | decode_open_downgrade_maxsz + \ | |
478 | decode_getattr_maxsz) | |
479 | #define NFS4_enc_close_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 480 | encode_sequence_maxsz + \ |
9104a55d TM |
481 | encode_putfh_maxsz + \ |
482 | encode_close_maxsz + \ | |
483 | encode_getattr_maxsz) | |
484 | #define NFS4_dec_close_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 485 | decode_sequence_maxsz + \ |
9104a55d TM |
486 | decode_putfh_maxsz + \ |
487 | decode_close_maxsz + \ | |
488 | decode_getattr_maxsz) | |
489 | #define NFS4_enc_setattr_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 490 | encode_sequence_maxsz + \ |
9104a55d TM |
491 | encode_putfh_maxsz + \ |
492 | encode_setattr_maxsz + \ | |
493 | encode_getattr_maxsz) | |
494 | #define NFS4_dec_setattr_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 495 | decode_sequence_maxsz + \ |
9104a55d TM |
496 | decode_putfh_maxsz + \ |
497 | decode_setattr_maxsz + \ | |
498 | decode_getattr_maxsz) | |
1da177e4 | 499 | #define NFS4_enc_fsinfo_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 500 | encode_sequence_maxsz + \ |
1da177e4 LT |
501 | encode_putfh_maxsz + \ |
502 | encode_fsinfo_maxsz) | |
503 | #define NFS4_dec_fsinfo_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 504 | decode_sequence_maxsz + \ |
1da177e4 LT |
505 | decode_putfh_maxsz + \ |
506 | decode_fsinfo_maxsz) | |
507 | #define NFS4_enc_renew_sz (compound_encode_hdr_maxsz + \ | |
508 | encode_renew_maxsz) | |
509 | #define NFS4_dec_renew_sz (compound_decode_hdr_maxsz + \ | |
510 | decode_renew_maxsz) | |
511 | #define NFS4_enc_setclientid_sz (compound_encode_hdr_maxsz + \ | |
512 | encode_setclientid_maxsz) | |
513 | #define NFS4_dec_setclientid_sz (compound_decode_hdr_maxsz + \ | |
514 | decode_setclientid_maxsz) | |
515 | #define NFS4_enc_setclientid_confirm_sz \ | |
516 | (compound_encode_hdr_maxsz + \ | |
517 | encode_setclientid_confirm_maxsz + \ | |
518 | encode_putrootfh_maxsz + \ | |
519 | encode_fsinfo_maxsz) | |
520 | #define NFS4_dec_setclientid_confirm_sz \ | |
521 | (compound_decode_hdr_maxsz + \ | |
522 | decode_setclientid_confirm_maxsz + \ | |
523 | decode_putrootfh_maxsz + \ | |
524 | decode_fsinfo_maxsz) | |
525 | #define NFS4_enc_lock_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 526 | encode_sequence_maxsz + \ |
1da177e4 | 527 | encode_putfh_maxsz + \ |
9104a55d | 528 | encode_lock_maxsz) |
1da177e4 | 529 | #define NFS4_dec_lock_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 530 | decode_sequence_maxsz + \ |
1da177e4 | 531 | decode_putfh_maxsz + \ |
9104a55d | 532 | decode_lock_maxsz) |
1da177e4 | 533 | #define NFS4_enc_lockt_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 534 | encode_sequence_maxsz + \ |
1da177e4 | 535 | encode_putfh_maxsz + \ |
9104a55d TM |
536 | encode_lockt_maxsz) |
537 | #define NFS4_dec_lockt_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 538 | decode_sequence_maxsz + \ |
9104a55d TM |
539 | decode_putfh_maxsz + \ |
540 | decode_lockt_maxsz) | |
1da177e4 | 541 | #define NFS4_enc_locku_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 542 | encode_sequence_maxsz + \ |
1da177e4 | 543 | encode_putfh_maxsz + \ |
9104a55d | 544 | encode_locku_maxsz) |
1da177e4 | 545 | #define NFS4_dec_locku_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 546 | decode_sequence_maxsz + \ |
1da177e4 | 547 | decode_putfh_maxsz + \ |
9104a55d | 548 | decode_locku_maxsz) |
d3c7b7cc TM |
549 | #define NFS4_enc_release_lockowner_sz \ |
550 | (compound_encode_hdr_maxsz + \ | |
551 | encode_lockowner_maxsz) | |
552 | #define NFS4_dec_release_lockowner_sz \ | |
553 | (compound_decode_hdr_maxsz + \ | |
554 | decode_lockowner_maxsz) | |
1da177e4 | 555 | #define NFS4_enc_access_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 556 | encode_sequence_maxsz + \ |
1da177e4 | 557 | encode_putfh_maxsz + \ |
76b32999 TM |
558 | encode_access_maxsz + \ |
559 | encode_getattr_maxsz) | |
1da177e4 | 560 | #define NFS4_dec_access_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 561 | decode_sequence_maxsz + \ |
1da177e4 | 562 | decode_putfh_maxsz + \ |
76b32999 TM |
563 | decode_access_maxsz + \ |
564 | decode_getattr_maxsz) | |
1da177e4 | 565 | #define NFS4_enc_getattr_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 566 | encode_sequence_maxsz + \ |
1da177e4 LT |
567 | encode_putfh_maxsz + \ |
568 | encode_getattr_maxsz) | |
569 | #define NFS4_dec_getattr_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 570 | decode_sequence_maxsz + \ |
1da177e4 LT |
571 | decode_putfh_maxsz + \ |
572 | decode_getattr_maxsz) | |
573 | #define NFS4_enc_lookup_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 574 | encode_sequence_maxsz + \ |
1da177e4 LT |
575 | encode_putfh_maxsz + \ |
576 | encode_lookup_maxsz + \ | |
577 | encode_getattr_maxsz + \ | |
578 | encode_getfh_maxsz) | |
579 | #define NFS4_dec_lookup_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 580 | decode_sequence_maxsz + \ |
1da177e4 | 581 | decode_putfh_maxsz + \ |
e6889620 | 582 | decode_lookup_maxsz + \ |
1da177e4 LT |
583 | decode_getattr_maxsz + \ |
584 | decode_getfh_maxsz) | |
585 | #define NFS4_enc_lookup_root_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 586 | encode_sequence_maxsz + \ |
1da177e4 LT |
587 | encode_putrootfh_maxsz + \ |
588 | encode_getattr_maxsz + \ | |
589 | encode_getfh_maxsz) | |
590 | #define NFS4_dec_lookup_root_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 591 | decode_sequence_maxsz + \ |
1da177e4 LT |
592 | decode_putrootfh_maxsz + \ |
593 | decode_getattr_maxsz + \ | |
594 | decode_getfh_maxsz) | |
595 | #define NFS4_enc_remove_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 596 | encode_sequence_maxsz + \ |
1da177e4 | 597 | encode_putfh_maxsz + \ |
16e42959 TM |
598 | encode_remove_maxsz + \ |
599 | encode_getattr_maxsz) | |
1da177e4 | 600 | #define NFS4_dec_remove_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 601 | decode_sequence_maxsz + \ |
1da177e4 | 602 | decode_putfh_maxsz + \ |
6ce18391 | 603 | decode_remove_maxsz + \ |
16e42959 | 604 | decode_getattr_maxsz) |
1da177e4 | 605 | #define NFS4_enc_rename_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 606 | encode_sequence_maxsz + \ |
1da177e4 LT |
607 | encode_putfh_maxsz + \ |
608 | encode_savefh_maxsz + \ | |
609 | encode_putfh_maxsz + \ | |
6caf2c82 TM |
610 | encode_rename_maxsz + \ |
611 | encode_getattr_maxsz + \ | |
612 | encode_restorefh_maxsz + \ | |
613 | encode_getattr_maxsz) | |
1da177e4 | 614 | #define NFS4_dec_rename_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 615 | decode_sequence_maxsz + \ |
1da177e4 LT |
616 | decode_putfh_maxsz + \ |
617 | decode_savefh_maxsz + \ | |
618 | decode_putfh_maxsz + \ | |
6caf2c82 TM |
619 | decode_rename_maxsz + \ |
620 | decode_getattr_maxsz + \ | |
621 | decode_restorefh_maxsz + \ | |
622 | decode_getattr_maxsz) | |
1da177e4 | 623 | #define NFS4_enc_link_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 624 | encode_sequence_maxsz + \ |
1da177e4 LT |
625 | encode_putfh_maxsz + \ |
626 | encode_savefh_maxsz + \ | |
627 | encode_putfh_maxsz + \ | |
91ba2eee TM |
628 | encode_link_maxsz + \ |
629 | decode_getattr_maxsz + \ | |
630 | encode_restorefh_maxsz + \ | |
631 | decode_getattr_maxsz) | |
1da177e4 | 632 | #define NFS4_dec_link_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 633 | decode_sequence_maxsz + \ |
1da177e4 LT |
634 | decode_putfh_maxsz + \ |
635 | decode_savefh_maxsz + \ | |
636 | decode_putfh_maxsz + \ | |
91ba2eee TM |
637 | decode_link_maxsz + \ |
638 | decode_getattr_maxsz + \ | |
639 | decode_restorefh_maxsz + \ | |
640 | decode_getattr_maxsz) | |
1da177e4 | 641 | #define NFS4_enc_symlink_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 642 | encode_sequence_maxsz + \ |
1da177e4 LT |
643 | encode_putfh_maxsz + \ |
644 | encode_symlink_maxsz + \ | |
645 | encode_getattr_maxsz + \ | |
646 | encode_getfh_maxsz) | |
647 | #define NFS4_dec_symlink_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 648 | decode_sequence_maxsz + \ |
1da177e4 LT |
649 | decode_putfh_maxsz + \ |
650 | decode_symlink_maxsz + \ | |
651 | decode_getattr_maxsz + \ | |
652 | decode_getfh_maxsz) | |
653 | #define NFS4_enc_create_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 654 | encode_sequence_maxsz + \ |
1da177e4 | 655 | encode_putfh_maxsz + \ |
56ae19f3 | 656 | encode_savefh_maxsz + \ |
1da177e4 | 657 | encode_create_maxsz + \ |
56ae19f3 | 658 | encode_getfh_maxsz + \ |
1da177e4 | 659 | encode_getattr_maxsz + \ |
56ae19f3 TM |
660 | encode_restorefh_maxsz + \ |
661 | encode_getattr_maxsz) | |
1da177e4 | 662 | #define NFS4_dec_create_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 663 | decode_sequence_maxsz + \ |
1da177e4 | 664 | decode_putfh_maxsz + \ |
56ae19f3 | 665 | decode_savefh_maxsz + \ |
1da177e4 | 666 | decode_create_maxsz + \ |
56ae19f3 | 667 | decode_getfh_maxsz + \ |
1da177e4 | 668 | decode_getattr_maxsz + \ |
56ae19f3 TM |
669 | decode_restorefh_maxsz + \ |
670 | decode_getattr_maxsz) | |
1da177e4 | 671 | #define NFS4_enc_pathconf_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 672 | encode_sequence_maxsz + \ |
1da177e4 LT |
673 | encode_putfh_maxsz + \ |
674 | encode_getattr_maxsz) | |
675 | #define NFS4_dec_pathconf_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 676 | decode_sequence_maxsz + \ |
1da177e4 LT |
677 | decode_putfh_maxsz + \ |
678 | decode_getattr_maxsz) | |
679 | #define NFS4_enc_statfs_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 680 | encode_sequence_maxsz + \ |
1da177e4 | 681 | encode_putfh_maxsz + \ |
9104a55d | 682 | encode_statfs_maxsz) |
1da177e4 | 683 | #define NFS4_dec_statfs_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 684 | decode_sequence_maxsz + \ |
1da177e4 | 685 | decode_putfh_maxsz + \ |
9104a55d | 686 | decode_statfs_maxsz) |
1da177e4 | 687 | #define NFS4_enc_server_caps_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 688 | encode_sequence_maxsz + \ |
ab91f264 | 689 | encode_putfh_maxsz + \ |
1da177e4 LT |
690 | encode_getattr_maxsz) |
691 | #define NFS4_dec_server_caps_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 692 | decode_sequence_maxsz + \ |
ab91f264 | 693 | decode_putfh_maxsz + \ |
1da177e4 LT |
694 | decode_getattr_maxsz) |
695 | #define NFS4_enc_delegreturn_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 696 | encode_sequence_maxsz + \ |
1da177e4 | 697 | encode_putfh_maxsz + \ |
fa178f29 TM |
698 | encode_delegreturn_maxsz + \ |
699 | encode_getattr_maxsz) | |
1da177e4 | 700 | #define NFS4_dec_delegreturn_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 701 | decode_sequence_maxsz + \ |
fa178f29 TM |
702 | decode_delegreturn_maxsz + \ |
703 | decode_getattr_maxsz) | |
029d105e | 704 | #define NFS4_enc_getacl_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 705 | encode_sequence_maxsz + \ |
029d105e | 706 | encode_putfh_maxsz + \ |
9104a55d | 707 | encode_getacl_maxsz) |
029d105e | 708 | #define NFS4_dec_getacl_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 709 | decode_sequence_maxsz + \ |
029d105e | 710 | decode_putfh_maxsz + \ |
9104a55d | 711 | decode_getacl_maxsz) |
23ec6965 | 712 | #define NFS4_enc_setacl_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 713 | encode_sequence_maxsz + \ |
23ec6965 | 714 | encode_putfh_maxsz + \ |
9104a55d | 715 | encode_setacl_maxsz) |
23ec6965 | 716 | #define NFS4_dec_setacl_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 717 | decode_sequence_maxsz + \ |
23ec6965 | 718 | decode_putfh_maxsz + \ |
9104a55d | 719 | decode_setacl_maxsz) |
683b57b4 TM |
720 | #define NFS4_enc_fs_locations_sz \ |
721 | (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 722 | encode_sequence_maxsz + \ |
683b57b4 | 723 | encode_putfh_maxsz + \ |
e6889620 TM |
724 | encode_lookup_maxsz + \ |
725 | encode_fs_locations_maxsz) | |
683b57b4 TM |
726 | #define NFS4_dec_fs_locations_sz \ |
727 | (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 728 | decode_sequence_maxsz + \ |
683b57b4 | 729 | decode_putfh_maxsz + \ |
e6889620 TM |
730 | decode_lookup_maxsz + \ |
731 | decode_fs_locations_maxsz) | |
5a5ea0d4 BS |
732 | #define NFS4_enc_secinfo_sz (compound_encode_hdr_maxsz + \ |
733 | encode_sequence_maxsz + \ | |
734 | encode_putfh_maxsz + \ | |
735 | encode_secinfo_maxsz) | |
736 | #define NFS4_dec_secinfo_sz (compound_decode_hdr_maxsz + \ | |
737 | decode_sequence_maxsz + \ | |
738 | decode_putfh_maxsz + \ | |
739 | decode_secinfo_maxsz) | |
99fe60d0 BH |
740 | #if defined(CONFIG_NFS_V4_1) |
741 | #define NFS4_enc_exchange_id_sz \ | |
742 | (compound_encode_hdr_maxsz + \ | |
743 | encode_exchange_id_maxsz) | |
744 | #define NFS4_dec_exchange_id_sz \ | |
745 | (compound_decode_hdr_maxsz + \ | |
746 | decode_exchange_id_maxsz) | |
fc931582 AA |
747 | #define NFS4_enc_create_session_sz \ |
748 | (compound_encode_hdr_maxsz + \ | |
749 | encode_create_session_maxsz) | |
750 | #define NFS4_dec_create_session_sz \ | |
751 | (compound_decode_hdr_maxsz + \ | |
752 | decode_create_session_maxsz) | |
0f3e66c6 AA |
753 | #define NFS4_enc_destroy_session_sz (compound_encode_hdr_maxsz + \ |
754 | encode_destroy_session_maxsz) | |
755 | #define NFS4_dec_destroy_session_sz (compound_decode_hdr_maxsz + \ | |
756 | decode_destroy_session_maxsz) | |
fc01cea9 AA |
757 | #define NFS4_enc_sequence_sz \ |
758 | (compound_decode_hdr_maxsz + \ | |
759 | encode_sequence_maxsz) | |
760 | #define NFS4_dec_sequence_sz \ | |
761 | (compound_decode_hdr_maxsz + \ | |
762 | decode_sequence_maxsz) | |
2050f0cc AA |
763 | #define NFS4_enc_get_lease_time_sz (compound_encode_hdr_maxsz + \ |
764 | encode_sequence_maxsz + \ | |
765 | encode_putrootfh_maxsz + \ | |
766 | encode_fsinfo_maxsz) | |
767 | #define NFS4_dec_get_lease_time_sz (compound_decode_hdr_maxsz + \ | |
768 | decode_sequence_maxsz + \ | |
769 | decode_putrootfh_maxsz + \ | |
770 | decode_fsinfo_maxsz) | |
18019753 RL |
771 | #define NFS4_enc_reclaim_complete_sz (compound_encode_hdr_maxsz + \ |
772 | encode_sequence_maxsz + \ | |
773 | encode_reclaim_complete_maxsz) | |
774 | #define NFS4_dec_reclaim_complete_sz (compound_decode_hdr_maxsz + \ | |
775 | decode_sequence_maxsz + \ | |
776 | decode_reclaim_complete_maxsz) | |
7f11d8d3 AA |
777 | #define NFS4_enc_getdevicelist_sz (compound_encode_hdr_maxsz + \ |
778 | encode_sequence_maxsz + \ | |
779 | encode_putfh_maxsz + \ | |
780 | encode_getdevicelist_maxsz) | |
781 | #define NFS4_dec_getdevicelist_sz (compound_decode_hdr_maxsz + \ | |
782 | decode_sequence_maxsz + \ | |
783 | decode_putfh_maxsz + \ | |
784 | decode_getdevicelist_maxsz) | |
b1f69b75 AA |
785 | #define NFS4_enc_getdeviceinfo_sz (compound_encode_hdr_maxsz + \ |
786 | encode_sequence_maxsz +\ | |
787 | encode_getdeviceinfo_maxsz) | |
788 | #define NFS4_dec_getdeviceinfo_sz (compound_decode_hdr_maxsz + \ | |
789 | decode_sequence_maxsz + \ | |
790 | decode_getdeviceinfo_maxsz) | |
791 | #define NFS4_enc_layoutget_sz (compound_encode_hdr_maxsz + \ | |
792 | encode_sequence_maxsz + \ | |
793 | encode_putfh_maxsz + \ | |
794 | encode_layoutget_maxsz) | |
795 | #define NFS4_dec_layoutget_sz (compound_decode_hdr_maxsz + \ | |
796 | decode_sequence_maxsz + \ | |
797 | decode_putfh_maxsz + \ | |
798 | decode_layoutget_maxsz) | |
863a3c6c AA |
799 | #define NFS4_enc_layoutcommit_sz (compound_encode_hdr_maxsz + \ |
800 | encode_sequence_maxsz +\ | |
801 | encode_putfh_maxsz + \ | |
802 | encode_layoutcommit_maxsz + \ | |
803 | encode_getattr_maxsz) | |
804 | #define NFS4_dec_layoutcommit_sz (compound_decode_hdr_maxsz + \ | |
805 | decode_sequence_maxsz + \ | |
806 | decode_putfh_maxsz + \ | |
807 | decode_layoutcommit_maxsz + \ | |
808 | decode_getattr_maxsz) | |
cbe82603 BH |
809 | #define NFS4_enc_layoutreturn_sz (compound_encode_hdr_maxsz + \ |
810 | encode_sequence_maxsz + \ | |
811 | encode_putfh_maxsz + \ | |
812 | encode_layoutreturn_maxsz) | |
813 | #define NFS4_dec_layoutreturn_sz (compound_decode_hdr_maxsz + \ | |
814 | decode_sequence_maxsz + \ | |
815 | decode_putfh_maxsz + \ | |
816 | decode_layoutreturn_maxsz) | |
fca78d6d BS |
817 | #define NFS4_enc_secinfo_no_name_sz (compound_encode_hdr_maxsz + \ |
818 | encode_sequence_maxsz + \ | |
819 | encode_putrootfh_maxsz +\ | |
820 | encode_secinfo_no_name_maxsz) | |
821 | #define NFS4_dec_secinfo_no_name_sz (compound_decode_hdr_maxsz + \ | |
822 | decode_sequence_maxsz + \ | |
823 | decode_putrootfh_maxsz + \ | |
824 | decode_secinfo_no_name_maxsz) | |
7d974794 BS |
825 | #define NFS4_enc_test_stateid_sz (compound_encode_hdr_maxsz + \ |
826 | encode_sequence_maxsz + \ | |
827 | encode_test_stateid_maxsz) | |
828 | #define NFS4_dec_test_stateid_sz (compound_decode_hdr_maxsz + \ | |
829 | decode_sequence_maxsz + \ | |
830 | decode_test_stateid_maxsz) | |
9aeda35f BS |
831 | #define NFS4_enc_free_stateid_sz (compound_encode_hdr_maxsz + \ |
832 | encode_sequence_maxsz + \ | |
833 | encode_free_stateid_maxsz) | |
834 | #define NFS4_dec_free_stateid_sz (compound_decode_hdr_maxsz + \ | |
835 | decode_sequence_maxsz + \ | |
836 | decode_free_stateid_maxsz) | |
2449ea2e AB |
837 | |
838 | const u32 nfs41_maxwrite_overhead = ((RPC_MAX_HEADER_WITH_AUTH + | |
839 | compound_encode_hdr_maxsz + | |
840 | encode_sequence_maxsz + | |
841 | encode_putfh_maxsz + | |
842 | encode_getattr_maxsz) * | |
843 | XDR_UNIT); | |
844 | ||
845 | const u32 nfs41_maxread_overhead = ((RPC_MAX_HEADER_WITH_AUTH + | |
846 | compound_decode_hdr_maxsz + | |
847 | decode_sequence_maxsz + | |
848 | decode_putfh_maxsz) * | |
849 | XDR_UNIT); | |
99fe60d0 | 850 | #endif /* CONFIG_NFS_V4_1 */ |
1da177e4 | 851 | |
db8ac8ba WAA |
852 | static unsigned short send_implementation_id = 1; |
853 | ||
854 | module_param(send_implementation_id, ushort, 0644); | |
855 | MODULE_PARM_DESC(send_implementation_id, | |
856 | "Send implementation ID with NFSv4.1 exchange_id"); | |
857 | ||
bca79478 TM |
858 | static const umode_t nfs_type2fmt[] = { |
859 | [NF4BAD] = 0, | |
860 | [NF4REG] = S_IFREG, | |
861 | [NF4DIR] = S_IFDIR, | |
862 | [NF4BLK] = S_IFBLK, | |
863 | [NF4CHR] = S_IFCHR, | |
864 | [NF4LNK] = S_IFLNK, | |
865 | [NF4SOCK] = S_IFSOCK, | |
866 | [NF4FIFO] = S_IFIFO, | |
867 | [NF4ATTRDIR] = 0, | |
868 | [NF4NAMEDATTR] = 0, | |
1da177e4 LT |
869 | }; |
870 | ||
871 | struct compound_hdr { | |
872 | int32_t status; | |
873 | uint32_t nops; | |
d017931c | 874 | __be32 * nops_p; |
1da177e4 LT |
875 | uint32_t taglen; |
876 | char * tag; | |
0c4e8c18 | 877 | uint32_t replen; /* expected reply words */ |
66cc0429 | 878 | u32 minorversion; |
1da177e4 LT |
879 | }; |
880 | ||
13c65ce9 BH |
881 | static __be32 *reserve_space(struct xdr_stream *xdr, size_t nbytes) |
882 | { | |
883 | __be32 *p = xdr_reserve_space(xdr, nbytes); | |
884 | BUG_ON(!p); | |
885 | return p; | |
886 | } | |
1da177e4 | 887 | |
cb17e556 TM |
888 | static void encode_opaque_fixed(struct xdr_stream *xdr, const void *buf, size_t len) |
889 | { | |
890 | __be32 *p; | |
891 | ||
892 | p = xdr_reserve_space(xdr, len); | |
893 | xdr_encode_opaque_fixed(p, buf, len); | |
894 | } | |
895 | ||
1da177e4 LT |
896 | static void encode_string(struct xdr_stream *xdr, unsigned int len, const char *str) |
897 | { | |
8687b63a | 898 | __be32 *p; |
1da177e4 | 899 | |
6fdfb0bc | 900 | p = reserve_space(xdr, 4 + len); |
1da177e4 LT |
901 | xdr_encode_opaque(p, str, len); |
902 | } | |
903 | ||
4ade9821 TM |
904 | static void encode_uint32(struct xdr_stream *xdr, u32 n) |
905 | { | |
906 | __be32 *p; | |
907 | ||
908 | p = reserve_space(xdr, 4); | |
909 | *p = cpu_to_be32(n); | |
910 | } | |
911 | ||
ff2eb681 TM |
912 | static void encode_uint64(struct xdr_stream *xdr, u64 n) |
913 | { | |
914 | __be32 *p; | |
915 | ||
916 | p = reserve_space(xdr, 8); | |
917 | xdr_encode_hyper(p, n); | |
918 | } | |
919 | ||
4ade9821 TM |
920 | static void encode_nfs4_seqid(struct xdr_stream *xdr, |
921 | const struct nfs_seqid *seqid) | |
922 | { | |
923 | encode_uint32(xdr, seqid->sequence->counter); | |
924 | } | |
925 | ||
0c4e8c18 BH |
926 | static void encode_compound_hdr(struct xdr_stream *xdr, |
927 | struct rpc_rqst *req, | |
928 | struct compound_hdr *hdr) | |
1da177e4 | 929 | { |
8687b63a | 930 | __be32 *p; |
a17c2153 | 931 | struct rpc_auth *auth = req->rq_cred->cr_auth; |
0c4e8c18 BH |
932 | |
933 | /* initialize running count of expected bytes in reply. | |
934 | * NOTE: the replied tag SHOULD be the same is the one sent, | |
935 | * but this is not required as a MUST for the server to do so. */ | |
936 | hdr->replen = RPC_REPHDRSIZE + auth->au_rslack + 3 + hdr->taglen; | |
1da177e4 | 937 | |
1da177e4 | 938 | BUG_ON(hdr->taglen > NFS4_MAXTAGLEN); |
6fdfb0bc TM |
939 | encode_string(xdr, hdr->taglen, hdr->tag); |
940 | p = reserve_space(xdr, 8); | |
e75bc1c8 | 941 | *p++ = cpu_to_be32(hdr->minorversion); |
d017931c | 942 | hdr->nops_p = p; |
34558513 | 943 | *p = cpu_to_be32(hdr->nops); |
d017931c AA |
944 | } |
945 | ||
ab19b481 TM |
946 | static void encode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 op, |
947 | uint32_t replen, | |
948 | struct compound_hdr *hdr) | |
949 | { | |
950 | encode_uint32(xdr, op); | |
951 | hdr->nops++; | |
952 | hdr->replen += replen; | |
953 | } | |
954 | ||
d017931c AA |
955 | static void encode_nops(struct compound_hdr *hdr) |
956 | { | |
fc931582 | 957 | BUG_ON(hdr->nops > NFS4_MAX_OPS); |
d017931c | 958 | *hdr->nops_p = htonl(hdr->nops); |
1da177e4 LT |
959 | } |
960 | ||
ea9d23f5 TM |
961 | static void encode_nfs4_stateid(struct xdr_stream *xdr, const nfs4_stateid *stateid) |
962 | { | |
2d2f24ad | 963 | encode_opaque_fixed(xdr, stateid, NFS4_STATEID_SIZE); |
ea9d23f5 TM |
964 | } |
965 | ||
1da177e4 LT |
966 | static void encode_nfs4_verifier(struct xdr_stream *xdr, const nfs4_verifier *verf) |
967 | { | |
cb17e556 | 968 | encode_opaque_fixed(xdr, verf->data, NFS4_VERIFIER_SIZE); |
1da177e4 LT |
969 | } |
970 | ||
cf8cdbe5 | 971 | static void encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const struct nfs_server *server) |
1da177e4 LT |
972 | { |
973 | char owner_name[IDMAP_NAMESZ]; | |
974 | char owner_group[IDMAP_NAMESZ]; | |
975 | int owner_namelen = 0; | |
976 | int owner_grouplen = 0; | |
8687b63a AV |
977 | __be32 *p; |
978 | __be32 *q; | |
1da177e4 LT |
979 | int len; |
980 | uint32_t bmval0 = 0; | |
981 | uint32_t bmval1 = 0; | |
1da177e4 LT |
982 | |
983 | /* | |
984 | * We reserve enough space to write the entire attribute buffer at once. | |
985 | * In the worst-case, this would be | |
986 | * 12(bitmap) + 4(attrlen) + 8(size) + 4(mode) + 4(atime) + 4(mtime) | |
987 | * = 36 bytes, plus any contribution from variable-length fields | |
23ec6965 | 988 | * such as owner/group. |
1da177e4 LT |
989 | */ |
990 | len = 16; | |
991 | ||
992 | /* Sigh */ | |
993 | if (iap->ia_valid & ATTR_SIZE) | |
994 | len += 8; | |
995 | if (iap->ia_valid & ATTR_MODE) | |
996 | len += 4; | |
997 | if (iap->ia_valid & ATTR_UID) { | |
e4fd72a1 | 998 | owner_namelen = nfs_map_uid_to_name(server, iap->ia_uid, owner_name, IDMAP_NAMESZ); |
1da177e4 | 999 | if (owner_namelen < 0) { |
fe82a183 CL |
1000 | dprintk("nfs: couldn't resolve uid %d to string\n", |
1001 | iap->ia_uid); | |
1da177e4 LT |
1002 | /* XXX */ |
1003 | strcpy(owner_name, "nobody"); | |
1004 | owner_namelen = sizeof("nobody") - 1; | |
1005 | /* goto out; */ | |
1006 | } | |
1007 | len += 4 + (XDR_QUADLEN(owner_namelen) << 2); | |
1008 | } | |
1009 | if (iap->ia_valid & ATTR_GID) { | |
e4fd72a1 | 1010 | owner_grouplen = nfs_map_gid_to_group(server, iap->ia_gid, owner_group, IDMAP_NAMESZ); |
1da177e4 | 1011 | if (owner_grouplen < 0) { |
fe82a183 CL |
1012 | dprintk("nfs: couldn't resolve gid %d to string\n", |
1013 | iap->ia_gid); | |
1da177e4 LT |
1014 | strcpy(owner_group, "nobody"); |
1015 | owner_grouplen = sizeof("nobody") - 1; | |
1016 | /* goto out; */ | |
1017 | } | |
1018 | len += 4 + (XDR_QUADLEN(owner_grouplen) << 2); | |
1019 | } | |
1020 | if (iap->ia_valid & ATTR_ATIME_SET) | |
1021 | len += 16; | |
1022 | else if (iap->ia_valid & ATTR_ATIME) | |
1023 | len += 4; | |
1024 | if (iap->ia_valid & ATTR_MTIME_SET) | |
1025 | len += 16; | |
1026 | else if (iap->ia_valid & ATTR_MTIME) | |
1027 | len += 4; | |
13c65ce9 | 1028 | p = reserve_space(xdr, len); |
1da177e4 LT |
1029 | |
1030 | /* | |
1031 | * We write the bitmap length now, but leave the bitmap and the attribute | |
1032 | * buffer length to be backfilled at the end of this routine. | |
1033 | */ | |
e75bc1c8 | 1034 | *p++ = cpu_to_be32(2); |
1da177e4 LT |
1035 | q = p; |
1036 | p += 3; | |
1037 | ||
1038 | if (iap->ia_valid & ATTR_SIZE) { | |
1039 | bmval0 |= FATTR4_WORD0_SIZE; | |
b95be5a9 | 1040 | p = xdr_encode_hyper(p, iap->ia_size); |
1da177e4 LT |
1041 | } |
1042 | if (iap->ia_valid & ATTR_MODE) { | |
1043 | bmval1 |= FATTR4_WORD1_MODE; | |
e75bc1c8 | 1044 | *p++ = cpu_to_be32(iap->ia_mode & S_IALLUGO); |
1da177e4 LT |
1045 | } |
1046 | if (iap->ia_valid & ATTR_UID) { | |
1047 | bmval1 |= FATTR4_WORD1_OWNER; | |
811652bd | 1048 | p = xdr_encode_opaque(p, owner_name, owner_namelen); |
1da177e4 LT |
1049 | } |
1050 | if (iap->ia_valid & ATTR_GID) { | |
1051 | bmval1 |= FATTR4_WORD1_OWNER_GROUP; | |
811652bd | 1052 | p = xdr_encode_opaque(p, owner_group, owner_grouplen); |
1da177e4 LT |
1053 | } |
1054 | if (iap->ia_valid & ATTR_ATIME_SET) { | |
1055 | bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET; | |
e75bc1c8 BH |
1056 | *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); |
1057 | *p++ = cpu_to_be32(0); | |
d3f6baaa TM |
1058 | *p++ = cpu_to_be32(iap->ia_atime.tv_sec); |
1059 | *p++ = cpu_to_be32(iap->ia_atime.tv_nsec); | |
1da177e4 LT |
1060 | } |
1061 | else if (iap->ia_valid & ATTR_ATIME) { | |
1062 | bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET; | |
e75bc1c8 | 1063 | *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); |
1da177e4 LT |
1064 | } |
1065 | if (iap->ia_valid & ATTR_MTIME_SET) { | |
1066 | bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET; | |
e75bc1c8 BH |
1067 | *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); |
1068 | *p++ = cpu_to_be32(0); | |
1069 | *p++ = cpu_to_be32(iap->ia_mtime.tv_sec); | |
1070 | *p++ = cpu_to_be32(iap->ia_mtime.tv_nsec); | |
1da177e4 LT |
1071 | } |
1072 | else if (iap->ia_valid & ATTR_MTIME) { | |
1073 | bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET; | |
e75bc1c8 | 1074 | *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); |
1da177e4 | 1075 | } |
6c0195a4 | 1076 | |
1da177e4 LT |
1077 | /* |
1078 | * Now we backfill the bitmap and the attribute buffer length. | |
1079 | */ | |
1080 | if (len != ((char *)p - (char *)q) + 4) { | |
f9fd2d9c | 1081 | printk(KERN_ERR "NFS: Attr length error, %u != %Zu\n", |
1da177e4 LT |
1082 | len, ((char *)p - (char *)q) + 4); |
1083 | BUG(); | |
1084 | } | |
1085 | len = (char *)p - (char *)q - 12; | |
1086 | *q++ = htonl(bmval0); | |
1087 | *q++ = htonl(bmval1); | |
34558513 | 1088 | *q = htonl(len); |
1da177e4 | 1089 | |
1da177e4 | 1090 | /* out: */ |
1da177e4 LT |
1091 | } |
1092 | ||
cf8cdbe5 | 1093 | static void encode_access(struct xdr_stream *xdr, u32 access, struct compound_hdr *hdr) |
1da177e4 | 1094 | { |
475d4ba0 TM |
1095 | encode_op_hdr(xdr, OP_ACCESS, decode_access_maxsz, hdr); |
1096 | encode_uint32(xdr, access); | |
1da177e4 LT |
1097 | } |
1098 | ||
cf8cdbe5 | 1099 | static void encode_close(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1100 | { |
ab19b481 | 1101 | encode_op_hdr(xdr, OP_CLOSE, decode_close_maxsz, hdr); |
4ade9821 | 1102 | encode_nfs4_seqid(xdr, arg->seqid); |
ea9d23f5 | 1103 | encode_nfs4_stateid(xdr, arg->stateid); |
1da177e4 LT |
1104 | } |
1105 | ||
0b7c0153 | 1106 | static void encode_commit(struct xdr_stream *xdr, const struct nfs_commitargs *args, struct compound_hdr *hdr) |
1da177e4 | 1107 | { |
8687b63a | 1108 | __be32 *p; |
6c0195a4 | 1109 | |
475d4ba0 TM |
1110 | encode_op_hdr(xdr, OP_COMMIT, decode_commit_maxsz, hdr); |
1111 | p = reserve_space(xdr, 12); | |
b95be5a9 | 1112 | p = xdr_encode_hyper(p, args->offset); |
34558513 | 1113 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1114 | } |
1115 | ||
cf8cdbe5 | 1116 | static void encode_create(struct xdr_stream *xdr, const struct nfs4_create_arg *create, struct compound_hdr *hdr) |
1da177e4 | 1117 | { |
8687b63a | 1118 | __be32 *p; |
6c0195a4 | 1119 | |
475d4ba0 TM |
1120 | encode_op_hdr(xdr, OP_CREATE, decode_create_maxsz, hdr); |
1121 | encode_uint32(xdr, create->ftype); | |
1da177e4 LT |
1122 | |
1123 | switch (create->ftype) { | |
1124 | case NF4LNK: | |
13c65ce9 | 1125 | p = reserve_space(xdr, 4); |
34558513 | 1126 | *p = cpu_to_be32(create->u.symlink.len); |
94a6d753 | 1127 | xdr_write_pages(xdr, create->u.symlink.pages, 0, create->u.symlink.len); |
1da177e4 LT |
1128 | break; |
1129 | ||
1130 | case NF4BLK: case NF4CHR: | |
13c65ce9 | 1131 | p = reserve_space(xdr, 8); |
e75bc1c8 | 1132 | *p++ = cpu_to_be32(create->u.device.specdata1); |
34558513 | 1133 | *p = cpu_to_be32(create->u.device.specdata2); |
1da177e4 LT |
1134 | break; |
1135 | ||
1136 | default: | |
1137 | break; | |
1138 | } | |
1139 | ||
811652bd | 1140 | encode_string(xdr, create->name->len, create->name->name); |
cf8cdbe5 | 1141 | encode_attrs(xdr, create->attrs, create->server); |
1da177e4 LT |
1142 | } |
1143 | ||
cf8cdbe5 | 1144 | static void encode_getattr_one(struct xdr_stream *xdr, uint32_t bitmap, struct compound_hdr *hdr) |
1da177e4 | 1145 | { |
05d564fe | 1146 | __be32 *p; |
1da177e4 | 1147 | |
475d4ba0 TM |
1148 | encode_op_hdr(xdr, OP_GETATTR, decode_getattr_maxsz, hdr); |
1149 | p = reserve_space(xdr, 8); | |
e75bc1c8 | 1150 | *p++ = cpu_to_be32(1); |
34558513 | 1151 | *p = cpu_to_be32(bitmap); |
1da177e4 LT |
1152 | } |
1153 | ||
cf8cdbe5 | 1154 | static void encode_getattr_two(struct xdr_stream *xdr, uint32_t bm0, uint32_t bm1, struct compound_hdr *hdr) |
1da177e4 | 1155 | { |
05d564fe | 1156 | __be32 *p; |
1da177e4 | 1157 | |
475d4ba0 TM |
1158 | encode_op_hdr(xdr, OP_GETATTR, decode_getattr_maxsz, hdr); |
1159 | p = reserve_space(xdr, 12); | |
e75bc1c8 BH |
1160 | *p++ = cpu_to_be32(2); |
1161 | *p++ = cpu_to_be32(bm0); | |
34558513 | 1162 | *p = cpu_to_be32(bm1); |
1da177e4 LT |
1163 | } |
1164 | ||
dae100c2 FI |
1165 | static void |
1166 | encode_getattr_three(struct xdr_stream *xdr, | |
1167 | uint32_t bm0, uint32_t bm1, uint32_t bm2, | |
1168 | struct compound_hdr *hdr) | |
1169 | { | |
1170 | __be32 *p; | |
1171 | ||
ab19b481 | 1172 | encode_op_hdr(xdr, OP_GETATTR, decode_getattr_maxsz, hdr); |
dae100c2 FI |
1173 | if (bm2) { |
1174 | p = reserve_space(xdr, 16); | |
1175 | *p++ = cpu_to_be32(3); | |
1176 | *p++ = cpu_to_be32(bm0); | |
1177 | *p++ = cpu_to_be32(bm1); | |
1178 | *p = cpu_to_be32(bm2); | |
1179 | } else if (bm1) { | |
1180 | p = reserve_space(xdr, 12); | |
1181 | *p++ = cpu_to_be32(2); | |
1182 | *p++ = cpu_to_be32(bm0); | |
1183 | *p = cpu_to_be32(bm1); | |
1184 | } else { | |
1185 | p = reserve_space(xdr, 8); | |
1186 | *p++ = cpu_to_be32(1); | |
1187 | *p = cpu_to_be32(bm0); | |
1188 | } | |
dae100c2 FI |
1189 | } |
1190 | ||
cf8cdbe5 | 1191 | static void encode_getfattr(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
1da177e4 | 1192 | { |
cf8cdbe5 AA |
1193 | encode_getattr_two(xdr, bitmask[0] & nfs4_fattr_bitmap[0], |
1194 | bitmask[1] & nfs4_fattr_bitmap[1], hdr); | |
1da177e4 LT |
1195 | } |
1196 | ||
cf8cdbe5 | 1197 | static void encode_fsinfo(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
1da177e4 | 1198 | { |
dae100c2 FI |
1199 | encode_getattr_three(xdr, |
1200 | bitmask[0] & nfs4_fsinfo_bitmap[0], | |
1201 | bitmask[1] & nfs4_fsinfo_bitmap[1], | |
1202 | bitmask[2] & nfs4_fsinfo_bitmap[2], | |
1203 | hdr); | |
1da177e4 LT |
1204 | } |
1205 | ||
cf8cdbe5 | 1206 | static void encode_fs_locations(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
830b8e33 | 1207 | { |
cf8cdbe5 AA |
1208 | encode_getattr_two(xdr, bitmask[0] & nfs4_fs_locations_bitmap[0], |
1209 | bitmask[1] & nfs4_fs_locations_bitmap[1], hdr); | |
830b8e33 MN |
1210 | } |
1211 | ||
cf8cdbe5 | 1212 | static void encode_getfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1213 | { |
ab19b481 | 1214 | encode_op_hdr(xdr, OP_GETFH, decode_getfh_maxsz, hdr); |
1da177e4 LT |
1215 | } |
1216 | ||
cf8cdbe5 | 1217 | static void encode_link(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1218 | { |
ab19b481 | 1219 | encode_op_hdr(xdr, OP_LINK, decode_link_maxsz, hdr); |
6fdfb0bc | 1220 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1221 | } |
1222 | ||
911d1aaf TM |
1223 | static inline int nfs4_lock_type(struct file_lock *fl, int block) |
1224 | { | |
1225 | if ((fl->fl_type & (F_RDLCK|F_WRLCK|F_UNLCK)) == F_RDLCK) | |
1226 | return block ? NFS4_READW_LT : NFS4_READ_LT; | |
1227 | return block ? NFS4_WRITEW_LT : NFS4_WRITE_LT; | |
1228 | } | |
1229 | ||
1230 | static inline uint64_t nfs4_lock_length(struct file_lock *fl) | |
1231 | { | |
1232 | if (fl->fl_end == OFFSET_MAX) | |
1233 | return ~(uint64_t)0; | |
1234 | return fl->fl_end - fl->fl_start + 1; | |
1235 | } | |
1236 | ||
daccbded TM |
1237 | static void encode_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner) |
1238 | { | |
1239 | __be32 *p; | |
1240 | ||
d035c36c | 1241 | p = reserve_space(xdr, 32); |
daccbded | 1242 | p = xdr_encode_hyper(p, lowner->clientid); |
d035c36c | 1243 | *p++ = cpu_to_be32(20); |
daccbded | 1244 | p = xdr_encode_opaque_fixed(p, "lock id:", 8); |
d035c36c | 1245 | *p++ = cpu_to_be32(lowner->s_dev); |
daccbded TM |
1246 | xdr_encode_hyper(p, lowner->id); |
1247 | } | |
1248 | ||
1da177e4 LT |
1249 | /* |
1250 | * opcode,type,reclaim,offset,length,new_lock_owner = 32 | |
1251 | * open_seqid,open_stateid,lock_seqid,lock_owner.clientid, lock_owner.id = 40 | |
1252 | */ | |
cf8cdbe5 | 1253 | static void encode_lock(struct xdr_stream *xdr, const struct nfs_lock_args *args, struct compound_hdr *hdr) |
1da177e4 | 1254 | { |
8687b63a | 1255 | __be32 *p; |
1da177e4 | 1256 | |
475d4ba0 TM |
1257 | encode_op_hdr(xdr, OP_LOCK, decode_lock_maxsz, hdr); |
1258 | p = reserve_space(xdr, 28); | |
e75bc1c8 BH |
1259 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, args->block)); |
1260 | *p++ = cpu_to_be32(args->reclaim); | |
b95be5a9 BH |
1261 | p = xdr_encode_hyper(p, args->fl->fl_start); |
1262 | p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); | |
34558513 | 1263 | *p = cpu_to_be32(args->new_lock_owner); |
911d1aaf | 1264 | if (args->new_lock_owner){ |
4ade9821 | 1265 | encode_nfs4_seqid(xdr, args->open_seqid); |
ea9d23f5 | 1266 | encode_nfs4_stateid(xdr, args->open_stateid); |
4ade9821 | 1267 | encode_nfs4_seqid(xdr, args->lock_seqid); |
daccbded | 1268 | encode_lockowner(xdr, &args->lock_owner); |
1da177e4 LT |
1269 | } |
1270 | else { | |
ea9d23f5 | 1271 | encode_nfs4_stateid(xdr, args->lock_stateid); |
4ade9821 | 1272 | encode_nfs4_seqid(xdr, args->lock_seqid); |
1da177e4 | 1273 | } |
1da177e4 LT |
1274 | } |
1275 | ||
cf8cdbe5 | 1276 | static void encode_lockt(struct xdr_stream *xdr, const struct nfs_lockt_args *args, struct compound_hdr *hdr) |
1da177e4 | 1277 | { |
8687b63a | 1278 | __be32 *p; |
1da177e4 | 1279 | |
475d4ba0 TM |
1280 | encode_op_hdr(xdr, OP_LOCKT, decode_lockt_maxsz, hdr); |
1281 | p = reserve_space(xdr, 20); | |
e75bc1c8 | 1282 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, 0)); |
b95be5a9 BH |
1283 | p = xdr_encode_hyper(p, args->fl->fl_start); |
1284 | p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); | |
daccbded | 1285 | encode_lockowner(xdr, &args->lock_owner); |
1da177e4 LT |
1286 | } |
1287 | ||
cf8cdbe5 | 1288 | static void encode_locku(struct xdr_stream *xdr, const struct nfs_locku_args *args, struct compound_hdr *hdr) |
1da177e4 | 1289 | { |
8687b63a | 1290 | __be32 *p; |
1da177e4 | 1291 | |
475d4ba0 TM |
1292 | encode_op_hdr(xdr, OP_LOCKU, decode_locku_maxsz, hdr); |
1293 | encode_uint32(xdr, nfs4_lock_type(args->fl, 0)); | |
4ade9821 | 1294 | encode_nfs4_seqid(xdr, args->seqid); |
ea9d23f5 TM |
1295 | encode_nfs4_stateid(xdr, args->stateid); |
1296 | p = reserve_space(xdr, 16); | |
b95be5a9 | 1297 | p = xdr_encode_hyper(p, args->fl->fl_start); |
34558513 | 1298 | xdr_encode_hyper(p, nfs4_lock_length(args->fl)); |
1da177e4 LT |
1299 | } |
1300 | ||
d3c7b7cc TM |
1301 | static void encode_release_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner, struct compound_hdr *hdr) |
1302 | { | |
ab19b481 | 1303 | encode_op_hdr(xdr, OP_RELEASE_LOCKOWNER, decode_release_lockowner_maxsz, hdr); |
d3c7b7cc | 1304 | encode_lockowner(xdr, lowner); |
d3c7b7cc TM |
1305 | } |
1306 | ||
cf8cdbe5 | 1307 | static void encode_lookup(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1308 | { |
ab19b481 | 1309 | encode_op_hdr(xdr, OP_LOOKUP, decode_lookup_maxsz, hdr); |
6fdfb0bc | 1310 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1311 | } |
1312 | ||
dc0b027d | 1313 | static void encode_share_access(struct xdr_stream *xdr, fmode_t fmode) |
1da177e4 | 1314 | { |
8687b63a | 1315 | __be32 *p; |
1da177e4 | 1316 | |
13c65ce9 | 1317 | p = reserve_space(xdr, 8); |
dc0b027d | 1318 | switch (fmode & (FMODE_READ|FMODE_WRITE)) { |
05d564fe | 1319 | case FMODE_READ: |
e75bc1c8 | 1320 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_READ); |
05d564fe AA |
1321 | break; |
1322 | case FMODE_WRITE: | |
e75bc1c8 | 1323 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_WRITE); |
05d564fe AA |
1324 | break; |
1325 | case FMODE_READ|FMODE_WRITE: | |
e75bc1c8 | 1326 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_BOTH); |
05d564fe AA |
1327 | break; |
1328 | default: | |
e75bc1c8 | 1329 | *p++ = cpu_to_be32(0); |
1da177e4 | 1330 | } |
34558513 | 1331 | *p = cpu_to_be32(0); /* for linux, share_deny = 0 always */ |
1da177e4 LT |
1332 | } |
1333 | ||
1334 | static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1335 | { | |
8687b63a | 1336 | __be32 *p; |
1da177e4 LT |
1337 | /* |
1338 | * opcode 4, seqid 4, share_access 4, share_deny 4, clientid 8, ownerlen 4, | |
1339 | * owner 4 = 32 | |
1340 | */ | |
4ade9821 | 1341 | encode_nfs4_seqid(xdr, arg->seqid); |
dc0b027d | 1342 | encode_share_access(xdr, arg->fmode); |
95b72eb0 | 1343 | p = reserve_space(xdr, 36); |
b95be5a9 | 1344 | p = xdr_encode_hyper(p, arg->clientid); |
95b72eb0 | 1345 | *p++ = cpu_to_be32(24); |
93f0cf25 | 1346 | p = xdr_encode_opaque_fixed(p, "open id:", 8); |
d035c36c | 1347 | *p++ = cpu_to_be32(arg->server->s_dev); |
95b72eb0 TM |
1348 | *p++ = cpu_to_be32(arg->id.uniquifier); |
1349 | xdr_encode_hyper(p, arg->id.create_time); | |
1da177e4 LT |
1350 | } |
1351 | ||
1352 | static inline void encode_createmode(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1353 | { | |
8687b63a | 1354 | __be32 *p; |
4882ef72 | 1355 | struct nfs_client *clp; |
1da177e4 | 1356 | |
13c65ce9 | 1357 | p = reserve_space(xdr, 4); |
1da177e4 | 1358 | switch(arg->open_flags & O_EXCL) { |
05d564fe | 1359 | case 0: |
34558513 | 1360 | *p = cpu_to_be32(NFS4_CREATE_UNCHECKED); |
05d564fe AA |
1361 | encode_attrs(xdr, arg->u.attrs, arg->server); |
1362 | break; | |
1363 | default: | |
4882ef72 | 1364 | clp = arg->server->nfs_client; |
a4432345 | 1365 | if (clp->cl_mvops->minor_version > 0) { |
4882ef72 AB |
1366 | if (nfs4_has_persistent_session(clp)) { |
1367 | *p = cpu_to_be32(NFS4_CREATE_GUARDED); | |
1368 | encode_attrs(xdr, arg->u.attrs, arg->server); | |
1369 | } else { | |
1370 | struct iattr dummy; | |
1371 | ||
1372 | *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE4_1); | |
1373 | encode_nfs4_verifier(xdr, &arg->u.verifier); | |
1374 | dummy.ia_valid = 0; | |
1375 | encode_attrs(xdr, &dummy, arg->server); | |
1376 | } | |
1377 | } else { | |
1378 | *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE); | |
1379 | encode_nfs4_verifier(xdr, &arg->u.verifier); | |
1380 | } | |
1da177e4 LT |
1381 | } |
1382 | } | |
1383 | ||
1384 | static void encode_opentype(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1385 | { | |
8687b63a | 1386 | __be32 *p; |
1da177e4 | 1387 | |
13c65ce9 | 1388 | p = reserve_space(xdr, 4); |
1da177e4 | 1389 | switch (arg->open_flags & O_CREAT) { |
05d564fe | 1390 | case 0: |
34558513 | 1391 | *p = cpu_to_be32(NFS4_OPEN_NOCREATE); |
05d564fe AA |
1392 | break; |
1393 | default: | |
1394 | BUG_ON(arg->claim != NFS4_OPEN_CLAIM_NULL); | |
34558513 | 1395 | *p = cpu_to_be32(NFS4_OPEN_CREATE); |
05d564fe | 1396 | encode_createmode(xdr, arg); |
1da177e4 LT |
1397 | } |
1398 | } | |
1399 | ||
bd7bf9d5 | 1400 | static inline void encode_delegation_type(struct xdr_stream *xdr, fmode_t delegation_type) |
1da177e4 | 1401 | { |
8687b63a | 1402 | __be32 *p; |
1da177e4 | 1403 | |
13c65ce9 | 1404 | p = reserve_space(xdr, 4); |
1da177e4 | 1405 | switch (delegation_type) { |
05d564fe | 1406 | case 0: |
34558513 | 1407 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_NONE); |
05d564fe AA |
1408 | break; |
1409 | case FMODE_READ: | |
34558513 | 1410 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_READ); |
05d564fe AA |
1411 | break; |
1412 | case FMODE_WRITE|FMODE_READ: | |
34558513 | 1413 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_WRITE); |
05d564fe AA |
1414 | break; |
1415 | default: | |
1416 | BUG(); | |
1da177e4 LT |
1417 | } |
1418 | } | |
1419 | ||
1420 | static inline void encode_claim_null(struct xdr_stream *xdr, const struct qstr *name) | |
1421 | { | |
8687b63a | 1422 | __be32 *p; |
1da177e4 | 1423 | |
13c65ce9 | 1424 | p = reserve_space(xdr, 4); |
34558513 | 1425 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_NULL); |
1da177e4 LT |
1426 | encode_string(xdr, name->len, name->name); |
1427 | } | |
1428 | ||
bd7bf9d5 | 1429 | static inline void encode_claim_previous(struct xdr_stream *xdr, fmode_t type) |
1da177e4 | 1430 | { |
8687b63a | 1431 | __be32 *p; |
1da177e4 | 1432 | |
13c65ce9 | 1433 | p = reserve_space(xdr, 4); |
34558513 | 1434 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_PREVIOUS); |
1da177e4 LT |
1435 | encode_delegation_type(xdr, type); |
1436 | } | |
1437 | ||
1438 | static inline void encode_claim_delegate_cur(struct xdr_stream *xdr, const struct qstr *name, const nfs4_stateid *stateid) | |
1439 | { | |
8687b63a | 1440 | __be32 *p; |
1da177e4 | 1441 | |
ea9d23f5 TM |
1442 | p = reserve_space(xdr, 4); |
1443 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_DELEGATE_CUR); | |
1444 | encode_nfs4_stateid(xdr, stateid); | |
1da177e4 LT |
1445 | encode_string(xdr, name->len, name->name); |
1446 | } | |
1447 | ||
cf8cdbe5 | 1448 | static void encode_open(struct xdr_stream *xdr, const struct nfs_openargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1449 | { |
ab19b481 | 1450 | encode_op_hdr(xdr, OP_OPEN, decode_open_maxsz, hdr); |
1da177e4 LT |
1451 | encode_openhdr(xdr, arg); |
1452 | encode_opentype(xdr, arg); | |
1453 | switch (arg->claim) { | |
05d564fe AA |
1454 | case NFS4_OPEN_CLAIM_NULL: |
1455 | encode_claim_null(xdr, arg->name); | |
1456 | break; | |
1457 | case NFS4_OPEN_CLAIM_PREVIOUS: | |
1458 | encode_claim_previous(xdr, arg->u.delegation_type); | |
1459 | break; | |
1460 | case NFS4_OPEN_CLAIM_DELEGATE_CUR: | |
1461 | encode_claim_delegate_cur(xdr, arg->name, &arg->u.delegation); | |
1462 | break; | |
1463 | default: | |
1464 | BUG(); | |
1da177e4 | 1465 | } |
1da177e4 LT |
1466 | } |
1467 | ||
cf8cdbe5 | 1468 | static void encode_open_confirm(struct xdr_stream *xdr, const struct nfs_open_confirmargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1469 | { |
ab19b481 | 1470 | encode_op_hdr(xdr, OP_OPEN_CONFIRM, decode_open_confirm_maxsz, hdr); |
ea9d23f5 | 1471 | encode_nfs4_stateid(xdr, arg->stateid); |
4ade9821 | 1472 | encode_nfs4_seqid(xdr, arg->seqid); |
1da177e4 LT |
1473 | } |
1474 | ||
cf8cdbe5 | 1475 | static void encode_open_downgrade(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1476 | { |
ab19b481 | 1477 | encode_op_hdr(xdr, OP_OPEN_DOWNGRADE, decode_open_downgrade_maxsz, hdr); |
ea9d23f5 | 1478 | encode_nfs4_stateid(xdr, arg->stateid); |
4ade9821 | 1479 | encode_nfs4_seqid(xdr, arg->seqid); |
dc0b027d | 1480 | encode_share_access(xdr, arg->fmode); |
1da177e4 LT |
1481 | } |
1482 | ||
cf8cdbe5 | 1483 | static void |
d017931c | 1484 | encode_putfh(struct xdr_stream *xdr, const struct nfs_fh *fh, struct compound_hdr *hdr) |
1da177e4 | 1485 | { |
ab19b481 | 1486 | encode_op_hdr(xdr, OP_PUTFH, decode_putfh_maxsz, hdr); |
6fdfb0bc | 1487 | encode_string(xdr, fh->size, fh->data); |
1da177e4 LT |
1488 | } |
1489 | ||
cf8cdbe5 | 1490 | static void encode_putrootfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1491 | { |
ab19b481 | 1492 | encode_op_hdr(xdr, OP_PUTROOTFH, decode_putrootfh_maxsz, hdr); |
1da177e4 LT |
1493 | } |
1494 | ||
4fc8796d TM |
1495 | static void encode_open_stateid(struct xdr_stream *xdr, |
1496 | const struct nfs_open_context *ctx, | |
1497 | const struct nfs_lock_context *l_ctx, | |
1498 | fmode_t fmode, | |
1499 | int zero_seqid) | |
1da177e4 | 1500 | { |
1da177e4 | 1501 | nfs4_stateid stateid; |
1da177e4 | 1502 | |
1da177e4 | 1503 | if (ctx->state != NULL) { |
4fc8796d TM |
1504 | nfs4_select_rw_stateid(&stateid, ctx->state, |
1505 | fmode, l_ctx->lockowner, l_ctx->pid); | |
89d1ea65 | 1506 | if (zero_seqid) |
2d2f24ad | 1507 | stateid.seqid = 0; |
ea9d23f5 | 1508 | encode_nfs4_stateid(xdr, &stateid); |
1da177e4 | 1509 | } else |
ea9d23f5 | 1510 | encode_nfs4_stateid(xdr, &zero_stateid); |
1da177e4 LT |
1511 | } |
1512 | ||
cf8cdbe5 | 1513 | static void encode_read(struct xdr_stream *xdr, const struct nfs_readargs *args, struct compound_hdr *hdr) |
1da177e4 | 1514 | { |
8687b63a | 1515 | __be32 *p; |
1da177e4 | 1516 | |
ab19b481 | 1517 | encode_op_hdr(xdr, OP_READ, decode_read_maxsz, hdr); |
d0b496d2 | 1518 | encode_open_stateid(xdr, args->context, args->lock_context, |
4fc8796d | 1519 | FMODE_READ, hdr->minorversion); |
1da177e4 | 1520 | |
13c65ce9 | 1521 | p = reserve_space(xdr, 12); |
b95be5a9 | 1522 | p = xdr_encode_hyper(p, args->offset); |
34558513 | 1523 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1524 | } |
1525 | ||
cf8cdbe5 | 1526 | static void encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg *readdir, struct rpc_rqst *req, struct compound_hdr *hdr) |
1da177e4 | 1527 | { |
28331a46 TM |
1528 | uint32_t attrs[2] = { |
1529 | FATTR4_WORD0_RDATTR_ERROR, | |
1530 | FATTR4_WORD1_MOUNTED_ON_FILEID, | |
1531 | }; | |
6f7a35bd | 1532 | uint32_t dircount = readdir->count >> 1; |
cd93710e | 1533 | __be32 *p, verf[2]; |
1da177e4 | 1534 | |
82f2e547 BS |
1535 | if (readdir->plus) { |
1536 | attrs[0] |= FATTR4_WORD0_TYPE|FATTR4_WORD0_CHANGE|FATTR4_WORD0_SIZE| | |
28331a46 | 1537 | FATTR4_WORD0_FSID|FATTR4_WORD0_FILEHANDLE|FATTR4_WORD0_FILEID; |
82f2e547 BS |
1538 | attrs[1] |= FATTR4_WORD1_MODE|FATTR4_WORD1_NUMLINKS|FATTR4_WORD1_OWNER| |
1539 | FATTR4_WORD1_OWNER_GROUP|FATTR4_WORD1_RAWDEV| | |
1540 | FATTR4_WORD1_SPACE_USED|FATTR4_WORD1_TIME_ACCESS| | |
1541 | FATTR4_WORD1_TIME_METADATA|FATTR4_WORD1_TIME_MODIFY; | |
6f7a35bd | 1542 | dircount >>= 1; |
82f2e547 | 1543 | } |
28331a46 TM |
1544 | /* Use mounted_on_fileid only if the server supports it */ |
1545 | if (!(readdir->bitmask[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) | |
1546 | attrs[0] |= FATTR4_WORD0_FILEID; | |
82f2e547 | 1547 | |
475d4ba0 | 1548 | encode_op_hdr(xdr, OP_READDIR, decode_readdir_maxsz, hdr); |
ff2eb681 | 1549 | encode_uint64(xdr, readdir->cookie); |
cd93710e CL |
1550 | encode_nfs4_verifier(xdr, &readdir->verifier); |
1551 | p = reserve_space(xdr, 20); | |
6f7a35bd | 1552 | *p++ = cpu_to_be32(dircount); |
e75bc1c8 BH |
1553 | *p++ = cpu_to_be32(readdir->count); |
1554 | *p++ = cpu_to_be32(2); | |
82f2e547 | 1555 | |
e75bc1c8 | 1556 | *p++ = cpu_to_be32(attrs[0] & readdir->bitmask[0]); |
34558513 | 1557 | *p = cpu_to_be32(attrs[1] & readdir->bitmask[1]); |
cd93710e | 1558 | memcpy(verf, readdir->verifier.data, sizeof(verf)); |
44109241 FI |
1559 | dprintk("%s: cookie = %Lu, verifier = %08x:%08x, bitmap = %08x:%08x\n", |
1560 | __func__, | |
eadf4598 | 1561 | (unsigned long long)readdir->cookie, |
cd93710e | 1562 | verf[0], verf[1], |
eadf4598 TM |
1563 | attrs[0] & readdir->bitmask[0], |
1564 | attrs[1] & readdir->bitmask[1]); | |
1da177e4 LT |
1565 | } |
1566 | ||
cf8cdbe5 | 1567 | static void encode_readlink(struct xdr_stream *xdr, const struct nfs4_readlink *readlink, struct rpc_rqst *req, struct compound_hdr *hdr) |
1da177e4 | 1568 | { |
ab19b481 | 1569 | encode_op_hdr(xdr, OP_READLINK, decode_readlink_maxsz, hdr); |
1da177e4 LT |
1570 | } |
1571 | ||
cf8cdbe5 | 1572 | static void encode_remove(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1573 | { |
ab19b481 | 1574 | encode_op_hdr(xdr, OP_REMOVE, decode_remove_maxsz, hdr); |
6fdfb0bc | 1575 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1576 | } |
1577 | ||
cf8cdbe5 | 1578 | static void encode_rename(struct xdr_stream *xdr, const struct qstr *oldname, const struct qstr *newname, struct compound_hdr *hdr) |
1da177e4 | 1579 | { |
ab19b481 | 1580 | encode_op_hdr(xdr, OP_RENAME, decode_rename_maxsz, hdr); |
811652bd BH |
1581 | encode_string(xdr, oldname->len, oldname->name); |
1582 | encode_string(xdr, newname->len, newname->name); | |
1da177e4 LT |
1583 | } |
1584 | ||
bb4dae5e CL |
1585 | static void encode_renew(struct xdr_stream *xdr, clientid4 clid, |
1586 | struct compound_hdr *hdr) | |
1da177e4 | 1587 | { |
475d4ba0 | 1588 | encode_op_hdr(xdr, OP_RENEW, decode_renew_maxsz, hdr); |
ff2eb681 | 1589 | encode_uint64(xdr, clid); |
1da177e4 LT |
1590 | } |
1591 | ||
cf8cdbe5 | 1592 | static void |
d017931c | 1593 | encode_restorefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
56ae19f3 | 1594 | { |
ab19b481 | 1595 | encode_op_hdr(xdr, OP_RESTOREFH, decode_restorefh_maxsz, hdr); |
56ae19f3 TM |
1596 | } |
1597 | ||
9f06c719 | 1598 | static void |
d017931c | 1599 | encode_setacl(struct xdr_stream *xdr, struct nfs_setaclargs *arg, struct compound_hdr *hdr) |
23ec6965 | 1600 | { |
8687b63a | 1601 | __be32 *p; |
23ec6965 | 1602 | |
ab19b481 | 1603 | encode_op_hdr(xdr, OP_SETATTR, decode_setacl_maxsz, hdr); |
ea9d23f5 | 1604 | encode_nfs4_stateid(xdr, &zero_stateid); |
13c65ce9 | 1605 | p = reserve_space(xdr, 2*4); |
e75bc1c8 | 1606 | *p++ = cpu_to_be32(1); |
34558513 | 1607 | *p = cpu_to_be32(FATTR4_WORD0_ACL); |
9f06c719 | 1608 | BUG_ON(arg->acl_len % 4); |
13c65ce9 | 1609 | p = reserve_space(xdr, 4); |
34558513 | 1610 | *p = cpu_to_be32(arg->acl_len); |
23ec6965 | 1611 | xdr_write_pages(xdr, arg->acl_pages, arg->acl_pgbase, arg->acl_len); |
23ec6965 BF |
1612 | } |
1613 | ||
cf8cdbe5 | 1614 | static void |
d017931c | 1615 | encode_savefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1616 | { |
ab19b481 | 1617 | encode_op_hdr(xdr, OP_SAVEFH, decode_savefh_maxsz, hdr); |
1da177e4 LT |
1618 | } |
1619 | ||
cf8cdbe5 | 1620 | static void encode_setattr(struct xdr_stream *xdr, const struct nfs_setattrargs *arg, const struct nfs_server *server, struct compound_hdr *hdr) |
1da177e4 | 1621 | { |
ab19b481 | 1622 | encode_op_hdr(xdr, OP_SETATTR, decode_setattr_maxsz, hdr); |
ea9d23f5 | 1623 | encode_nfs4_stateid(xdr, &arg->stateid); |
cf8cdbe5 | 1624 | encode_attrs(xdr, arg->iap, server); |
1da177e4 LT |
1625 | } |
1626 | ||
cf8cdbe5 | 1627 | static void encode_setclientid(struct xdr_stream *xdr, const struct nfs4_setclientid *setclientid, struct compound_hdr *hdr) |
1da177e4 | 1628 | { |
8687b63a | 1629 | __be32 *p; |
1da177e4 | 1630 | |
70019514 | 1631 | encode_op_hdr(xdr, OP_SETCLIENTID, decode_setclientid_maxsz, hdr); |
cd93710e | 1632 | encode_nfs4_verifier(xdr, setclientid->sc_verifier); |
1da177e4 LT |
1633 | |
1634 | encode_string(xdr, setclientid->sc_name_len, setclientid->sc_name); | |
13c65ce9 | 1635 | p = reserve_space(xdr, 4); |
34558513 | 1636 | *p = cpu_to_be32(setclientid->sc_prog); |
1da177e4 LT |
1637 | encode_string(xdr, setclientid->sc_netid_len, setclientid->sc_netid); |
1638 | encode_string(xdr, setclientid->sc_uaddr_len, setclientid->sc_uaddr); | |
13c65ce9 | 1639 | p = reserve_space(xdr, 4); |
34558513 | 1640 | *p = cpu_to_be32(setclientid->sc_cb_ident); |
1da177e4 LT |
1641 | } |
1642 | ||
bb8b27e5 | 1643 | static void encode_setclientid_confirm(struct xdr_stream *xdr, const struct nfs4_setclientid_res *arg, struct compound_hdr *hdr) |
1da177e4 | 1644 | { |
475d4ba0 TM |
1645 | encode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM, |
1646 | decode_setclientid_confirm_maxsz, hdr); | |
ff2eb681 | 1647 | encode_uint64(xdr, arg->clientid); |
cd93710e | 1648 | encode_nfs4_verifier(xdr, &arg->confirm); |
1da177e4 LT |
1649 | } |
1650 | ||
cf8cdbe5 | 1651 | static void encode_write(struct xdr_stream *xdr, const struct nfs_writeargs *args, struct compound_hdr *hdr) |
1da177e4 | 1652 | { |
8687b63a | 1653 | __be32 *p; |
1da177e4 | 1654 | |
ab19b481 | 1655 | encode_op_hdr(xdr, OP_WRITE, decode_write_maxsz, hdr); |
d0b496d2 | 1656 | encode_open_stateid(xdr, args->context, args->lock_context, |
4fc8796d | 1657 | FMODE_WRITE, hdr->minorversion); |
1da177e4 | 1658 | |
13c65ce9 | 1659 | p = reserve_space(xdr, 16); |
b95be5a9 | 1660 | p = xdr_encode_hyper(p, args->offset); |
e75bc1c8 | 1661 | *p++ = cpu_to_be32(args->stable); |
34558513 | 1662 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1663 | |
1664 | xdr_write_pages(xdr, args->pages, args->pgbase, args->count); | |
1da177e4 LT |
1665 | } |
1666 | ||
cf8cdbe5 | 1667 | static void encode_delegreturn(struct xdr_stream *xdr, const nfs4_stateid *stateid, struct compound_hdr *hdr) |
1da177e4 | 1668 | { |
ab19b481 | 1669 | encode_op_hdr(xdr, OP_DELEGRETURN, decode_delegreturn_maxsz, hdr); |
ea9d23f5 | 1670 | encode_nfs4_stateid(xdr, stateid); |
1da177e4 | 1671 | } |
9b7b9fcc | 1672 | |
5a5ea0d4 BS |
1673 | static void encode_secinfo(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1674 | { | |
ab19b481 | 1675 | encode_op_hdr(xdr, OP_SECINFO, decode_secinfo_maxsz, hdr); |
6fdfb0bc | 1676 | encode_string(xdr, name->len, name->name); |
5a5ea0d4 BS |
1677 | } |
1678 | ||
99fe60d0 | 1679 | #if defined(CONFIG_NFS_V4_1) |
9b7b9fcc | 1680 | /* NFSv4.1 operations */ |
99fe60d0 BH |
1681 | static void encode_exchange_id(struct xdr_stream *xdr, |
1682 | struct nfs41_exchange_id_args *args, | |
1683 | struct compound_hdr *hdr) | |
1684 | { | |
1685 | __be32 *p; | |
db8ac8ba WAA |
1686 | char impl_name[NFS4_OPAQUE_LIMIT]; |
1687 | int len = 0; | |
99fe60d0 | 1688 | |
70019514 | 1689 | encode_op_hdr(xdr, OP_EXCHANGE_ID, decode_exchange_id_maxsz, hdr); |
cd93710e | 1690 | encode_nfs4_verifier(xdr, args->verifier); |
99fe60d0 BH |
1691 | |
1692 | encode_string(xdr, args->id_len, args->id); | |
1693 | ||
13c65ce9 | 1694 | p = reserve_space(xdr, 12); |
e75bc1c8 BH |
1695 | *p++ = cpu_to_be32(args->flags); |
1696 | *p++ = cpu_to_be32(0); /* zero length state_protect4_a */ | |
db8ac8ba WAA |
1697 | |
1698 | if (send_implementation_id && | |
1699 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) > 1 && | |
1700 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) | |
1701 | <= NFS4_OPAQUE_LIMIT + 1) | |
1702 | len = snprintf(impl_name, sizeof(impl_name), "%s %s %s %s", | |
1703 | utsname()->sysname, utsname()->release, | |
1704 | utsname()->version, utsname()->machine); | |
1705 | ||
1706 | if (len > 0) { | |
1707 | *p = cpu_to_be32(1); /* implementation id array length=1 */ | |
1708 | ||
1709 | encode_string(xdr, | |
1710 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) - 1, | |
1711 | CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN); | |
1712 | encode_string(xdr, len, impl_name); | |
1713 | /* just send zeros for nii_date - the date is in nii_name */ | |
1714 | p = reserve_space(xdr, 12); | |
1715 | p = xdr_encode_hyper(p, 0); | |
1716 | *p = cpu_to_be32(0); | |
1717 | } else | |
1718 | *p = cpu_to_be32(0); /* implementation id array length=0 */ | |
99fe60d0 | 1719 | } |
fc931582 AA |
1720 | |
1721 | static void encode_create_session(struct xdr_stream *xdr, | |
1722 | struct nfs41_create_session_args *args, | |
1723 | struct compound_hdr *hdr) | |
1724 | { | |
1725 | __be32 *p; | |
1726 | char machine_name[NFS4_MAX_MACHINE_NAME_LEN]; | |
1727 | uint32_t len; | |
1728 | struct nfs_client *clp = args->client; | |
8e0d46e1 MS |
1729 | u32 max_resp_sz_cached; |
1730 | ||
1731 | /* | |
1732 | * Assumes OPEN is the biggest non-idempotent compound. | |
1733 | * 2 is the verifier. | |
1734 | */ | |
1735 | max_resp_sz_cached = (NFS4_dec_open_sz + RPC_REPHDRSIZE + | |
1736 | RPC_MAX_AUTH_SIZE + 2) * XDR_UNIT; | |
fc931582 | 1737 | |
42edd698 BH |
1738 | len = scnprintf(machine_name, sizeof(machine_name), "%s", |
1739 | clp->cl_ipaddr); | |
fc931582 | 1740 | |
475d4ba0 TM |
1741 | encode_op_hdr(xdr, OP_CREATE_SESSION, decode_create_session_maxsz, hdr); |
1742 | p = reserve_space(xdr, 16 + 2*28 + 20 + len + 12); | |
114f64b5 | 1743 | p = xdr_encode_hyper(p, clp->cl_clientid); |
e75bc1c8 BH |
1744 | *p++ = cpu_to_be32(clp->cl_seqid); /*Sequence id */ |
1745 | *p++ = cpu_to_be32(args->flags); /*flags */ | |
fc931582 | 1746 | |
fc931582 | 1747 | /* Fore Channel */ |
c9c30dd5 | 1748 | *p++ = cpu_to_be32(0); /* header padding size */ |
e75bc1c8 BH |
1749 | *p++ = cpu_to_be32(args->fc_attrs.max_rqst_sz); /* max req size */ |
1750 | *p++ = cpu_to_be32(args->fc_attrs.max_resp_sz); /* max resp size */ | |
8e0d46e1 | 1751 | *p++ = cpu_to_be32(max_resp_sz_cached); /* Max resp sz cached */ |
e75bc1c8 BH |
1752 | *p++ = cpu_to_be32(args->fc_attrs.max_ops); /* max operations */ |
1753 | *p++ = cpu_to_be32(args->fc_attrs.max_reqs); /* max requests */ | |
1754 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ | |
fc931582 AA |
1755 | |
1756 | /* Back Channel */ | |
c9c30dd5 | 1757 | *p++ = cpu_to_be32(0); /* header padding size */ |
e75bc1c8 BH |
1758 | *p++ = cpu_to_be32(args->bc_attrs.max_rqst_sz); /* max req size */ |
1759 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz); /* max resp size */ | |
1760 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz_cached); /* Max resp sz cached */ | |
1761 | *p++ = cpu_to_be32(args->bc_attrs.max_ops); /* max operations */ | |
1762 | *p++ = cpu_to_be32(args->bc_attrs.max_reqs); /* max requests */ | |
1763 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ | |
fc931582 | 1764 | |
e75bc1c8 | 1765 | *p++ = cpu_to_be32(args->cb_program); /* cb_program */ |
e75bc1c8 | 1766 | *p++ = cpu_to_be32(1); |
e75bc1c8 | 1767 | *p++ = cpu_to_be32(RPC_AUTH_UNIX); /* auth_sys */ |
fc931582 AA |
1768 | |
1769 | /* authsys_parms rfc1831 */ | |
e75bc1c8 | 1770 | *p++ = cpu_to_be32((u32)clp->cl_boot_time.tv_nsec); /* stamp */ |
811652bd | 1771 | p = xdr_encode_opaque(p, machine_name, len); |
e75bc1c8 BH |
1772 | *p++ = cpu_to_be32(0); /* UID */ |
1773 | *p++ = cpu_to_be32(0); /* GID */ | |
34558513 | 1774 | *p = cpu_to_be32(0); /* No more gids */ |
fc931582 | 1775 | } |
0f3e66c6 AA |
1776 | |
1777 | static void encode_destroy_session(struct xdr_stream *xdr, | |
1778 | struct nfs4_session *session, | |
1779 | struct compound_hdr *hdr) | |
1780 | { | |
475d4ba0 TM |
1781 | encode_op_hdr(xdr, OP_DESTROY_SESSION, decode_destroy_session_maxsz, hdr); |
1782 | encode_opaque_fixed(xdr, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); | |
0f3e66c6 | 1783 | } |
18019753 RL |
1784 | |
1785 | static void encode_reclaim_complete(struct xdr_stream *xdr, | |
1786 | struct nfs41_reclaim_complete_args *args, | |
1787 | struct compound_hdr *hdr) | |
1788 | { | |
475d4ba0 TM |
1789 | encode_op_hdr(xdr, OP_RECLAIM_COMPLETE, decode_reclaim_complete_maxsz, hdr); |
1790 | encode_uint32(xdr, args->one_fs); | |
18019753 | 1791 | } |
99fe60d0 BH |
1792 | #endif /* CONFIG_NFS_V4_1 */ |
1793 | ||
9b7b9fcc AA |
1794 | static void encode_sequence(struct xdr_stream *xdr, |
1795 | const struct nfs4_sequence_args *args, | |
1796 | struct compound_hdr *hdr) | |
1797 | { | |
1798 | #if defined(CONFIG_NFS_V4_1) | |
1799 | struct nfs4_session *session = args->sa_session; | |
fc01cea9 AA |
1800 | struct nfs4_slot_table *tp; |
1801 | struct nfs4_slot *slot; | |
1802 | __be32 *p; | |
9b7b9fcc AA |
1803 | |
1804 | if (!session) | |
1805 | return; | |
1806 | ||
fc01cea9 AA |
1807 | tp = &session->fc_slot_table; |
1808 | ||
1809 | WARN_ON(args->sa_slotid == NFS4_MAX_SLOT_TABLE); | |
1810 | slot = tp->slots + args->sa_slotid; | |
1811 | ||
475d4ba0 | 1812 | encode_op_hdr(xdr, OP_SEQUENCE, decode_sequence_maxsz, hdr); |
fc01cea9 AA |
1813 | |
1814 | /* | |
1815 | * Sessionid + seqid + slotid + max slotid + cache_this | |
1816 | */ | |
1817 | dprintk("%s: sessionid=%u:%u:%u:%u seqid=%d slotid=%d " | |
1818 | "max_slotid=%d cache_this=%d\n", | |
1819 | __func__, | |
1820 | ((u32 *)session->sess_id.data)[0], | |
1821 | ((u32 *)session->sess_id.data)[1], | |
1822 | ((u32 *)session->sess_id.data)[2], | |
1823 | ((u32 *)session->sess_id.data)[3], | |
1824 | slot->seq_nr, args->sa_slotid, | |
1825 | tp->highest_used_slotid, args->sa_cache_this); | |
475d4ba0 | 1826 | p = reserve_space(xdr, NFS4_MAX_SESSIONID_LEN + 16); |
93f0cf25 | 1827 | p = xdr_encode_opaque_fixed(p, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); |
e75bc1c8 BH |
1828 | *p++ = cpu_to_be32(slot->seq_nr); |
1829 | *p++ = cpu_to_be32(args->sa_slotid); | |
1830 | *p++ = cpu_to_be32(tp->highest_used_slotid); | |
34558513 | 1831 | *p = cpu_to_be32(args->sa_cache_this); |
9b7b9fcc AA |
1832 | #endif /* CONFIG_NFS_V4_1 */ |
1833 | } | |
1834 | ||
b1f69b75 | 1835 | #ifdef CONFIG_NFS_V4_1 |
7f11d8d3 AA |
1836 | static void |
1837 | encode_getdevicelist(struct xdr_stream *xdr, | |
1838 | const struct nfs4_getdevicelist_args *args, | |
1839 | struct compound_hdr *hdr) | |
1840 | { | |
1841 | __be32 *p; | |
1842 | nfs4_verifier dummy = { | |
1843 | .data = "dummmmmy", | |
1844 | }; | |
1845 | ||
475d4ba0 TM |
1846 | encode_op_hdr(xdr, OP_GETDEVICELIST, decode_getdevicelist_maxsz, hdr); |
1847 | p = reserve_space(xdr, 16); | |
7f11d8d3 AA |
1848 | *p++ = cpu_to_be32(args->layoutclass); |
1849 | *p++ = cpu_to_be32(NFS4_PNFS_GETDEVLIST_MAXNUM); | |
1850 | xdr_encode_hyper(p, 0ULL); /* cookie */ | |
1851 | encode_nfs4_verifier(xdr, &dummy); | |
7f11d8d3 AA |
1852 | } |
1853 | ||
b1f69b75 AA |
1854 | static void |
1855 | encode_getdeviceinfo(struct xdr_stream *xdr, | |
1856 | const struct nfs4_getdeviceinfo_args *args, | |
1857 | struct compound_hdr *hdr) | |
1858 | { | |
1859 | __be32 *p; | |
1860 | ||
475d4ba0 TM |
1861 | encode_op_hdr(xdr, OP_GETDEVICEINFO, decode_getdeviceinfo_maxsz, hdr); |
1862 | p = reserve_space(xdr, 12 + NFS4_DEVICEID4_SIZE); | |
b1f69b75 AA |
1863 | p = xdr_encode_opaque_fixed(p, args->pdev->dev_id.data, |
1864 | NFS4_DEVICEID4_SIZE); | |
1865 | *p++ = cpu_to_be32(args->pdev->layout_type); | |
1866 | *p++ = cpu_to_be32(args->pdev->pglen); /* gdia_maxcount */ | |
1867 | *p++ = cpu_to_be32(0); /* bitmap length 0 */ | |
b1f69b75 AA |
1868 | } |
1869 | ||
1870 | static void | |
1871 | encode_layoutget(struct xdr_stream *xdr, | |
1872 | const struct nfs4_layoutget_args *args, | |
1873 | struct compound_hdr *hdr) | |
1874 | { | |
b1f69b75 AA |
1875 | __be32 *p; |
1876 | ||
475d4ba0 TM |
1877 | encode_op_hdr(xdr, OP_LAYOUTGET, decode_layoutget_maxsz, hdr); |
1878 | p = reserve_space(xdr, 36); | |
b1f69b75 AA |
1879 | *p++ = cpu_to_be32(0); /* Signal layout available */ |
1880 | *p++ = cpu_to_be32(args->type); | |
1881 | *p++ = cpu_to_be32(args->range.iomode); | |
1882 | p = xdr_encode_hyper(p, args->range.offset); | |
1883 | p = xdr_encode_hyper(p, args->range.length); | |
1884 | p = xdr_encode_hyper(p, args->minlength); | |
ea9d23f5 | 1885 | encode_nfs4_stateid(xdr, &args->stateid); |
475d4ba0 | 1886 | encode_uint32(xdr, args->maxcount); |
b1f69b75 AA |
1887 | |
1888 | dprintk("%s: 1st type:0x%x iomode:%d off:%lu len:%lu mc:%d\n", | |
1889 | __func__, | |
1890 | args->type, | |
1891 | args->range.iomode, | |
1892 | (unsigned long)args->range.offset, | |
1893 | (unsigned long)args->range.length, | |
1894 | args->maxcount); | |
b1f69b75 | 1895 | } |
863a3c6c AA |
1896 | |
1897 | static int | |
1898 | encode_layoutcommit(struct xdr_stream *xdr, | |
ac7db726 | 1899 | struct inode *inode, |
863a3c6c AA |
1900 | const struct nfs4_layoutcommit_args *args, |
1901 | struct compound_hdr *hdr) | |
1902 | { | |
1903 | __be32 *p; | |
1904 | ||
1905 | dprintk("%s: lbw: %llu type: %d\n", __func__, args->lastbytewritten, | |
1906 | NFS_SERVER(args->inode)->pnfs_curr_ld->id); | |
1907 | ||
475d4ba0 TM |
1908 | encode_op_hdr(xdr, OP_LAYOUTCOMMIT, decode_layoutcommit_maxsz, hdr); |
1909 | p = reserve_space(xdr, 20); | |
863a3c6c AA |
1910 | /* Only whole file layouts */ |
1911 | p = xdr_encode_hyper(p, 0); /* offset */ | |
3557c6c3 | 1912 | p = xdr_encode_hyper(p, args->lastbytewritten + 1); /* length */ |
ea9d23f5 TM |
1913 | *p = cpu_to_be32(0); /* reclaim */ |
1914 | encode_nfs4_stateid(xdr, &args->stateid); | |
1915 | p = reserve_space(xdr, 20); | |
863a3c6c AA |
1916 | *p++ = cpu_to_be32(1); /* newoffset = TRUE */ |
1917 | p = xdr_encode_hyper(p, args->lastbytewritten); | |
1918 | *p++ = cpu_to_be32(0); /* Never send time_modify_changed */ | |
1919 | *p++ = cpu_to_be32(NFS_SERVER(args->inode)->pnfs_curr_ld->id);/* type */ | |
ac7db726 BH |
1920 | |
1921 | if (NFS_SERVER(inode)->pnfs_curr_ld->encode_layoutcommit) | |
1922 | NFS_SERVER(inode)->pnfs_curr_ld->encode_layoutcommit( | |
1923 | NFS_I(inode)->layout, xdr, args); | |
475d4ba0 TM |
1924 | else |
1925 | encode_uint32(xdr, 0); /* no layout-type payload */ | |
863a3c6c | 1926 | |
863a3c6c AA |
1927 | return 0; |
1928 | } | |
cbe82603 BH |
1929 | |
1930 | static void | |
1931 | encode_layoutreturn(struct xdr_stream *xdr, | |
1932 | const struct nfs4_layoutreturn_args *args, | |
1933 | struct compound_hdr *hdr) | |
1934 | { | |
1935 | __be32 *p; | |
1936 | ||
475d4ba0 TM |
1937 | encode_op_hdr(xdr, OP_LAYOUTRETURN, decode_layoutreturn_maxsz, hdr); |
1938 | p = reserve_space(xdr, 16); | |
cbe82603 BH |
1939 | *p++ = cpu_to_be32(0); /* reclaim. always 0 for now */ |
1940 | *p++ = cpu_to_be32(args->layout_type); | |
1941 | *p++ = cpu_to_be32(IOMODE_ANY); | |
1942 | *p = cpu_to_be32(RETURN_FILE); | |
ea9d23f5 | 1943 | p = reserve_space(xdr, 16); |
cbe82603 BH |
1944 | p = xdr_encode_hyper(p, 0); |
1945 | p = xdr_encode_hyper(p, NFS4_MAX_UINT64); | |
1946 | spin_lock(&args->inode->i_lock); | |
ea9d23f5 | 1947 | encode_nfs4_stateid(xdr, &args->stateid); |
cbe82603 | 1948 | spin_unlock(&args->inode->i_lock); |
04a55549 AA |
1949 | if (NFS_SERVER(args->inode)->pnfs_curr_ld->encode_layoutreturn) { |
1950 | NFS_SERVER(args->inode)->pnfs_curr_ld->encode_layoutreturn( | |
1951 | NFS_I(args->inode)->layout, xdr, args); | |
475d4ba0 TM |
1952 | } else |
1953 | encode_uint32(xdr, 0); | |
cbe82603 | 1954 | } |
fca78d6d BS |
1955 | |
1956 | static int | |
1957 | encode_secinfo_no_name(struct xdr_stream *xdr, | |
1958 | const struct nfs41_secinfo_no_name_args *args, | |
1959 | struct compound_hdr *hdr) | |
1960 | { | |
475d4ba0 TM |
1961 | encode_op_hdr(xdr, OP_SECINFO_NO_NAME, decode_secinfo_no_name_maxsz, hdr); |
1962 | encode_uint32(xdr, args->style); | |
fca78d6d BS |
1963 | return 0; |
1964 | } | |
7d974794 BS |
1965 | |
1966 | static void encode_test_stateid(struct xdr_stream *xdr, | |
1967 | struct nfs41_test_stateid_args *args, | |
1968 | struct compound_hdr *hdr) | |
1969 | { | |
475d4ba0 TM |
1970 | encode_op_hdr(xdr, OP_TEST_STATEID, decode_test_stateid_maxsz, hdr); |
1971 | encode_uint32(xdr, 1); | |
ea9d23f5 | 1972 | encode_nfs4_stateid(xdr, args->stateid); |
7d974794 | 1973 | } |
9aeda35f BS |
1974 | |
1975 | static void encode_free_stateid(struct xdr_stream *xdr, | |
1976 | struct nfs41_free_stateid_args *args, | |
1977 | struct compound_hdr *hdr) | |
1978 | { | |
ab19b481 | 1979 | encode_op_hdr(xdr, OP_FREE_STATEID, decode_free_stateid_maxsz, hdr); |
ea9d23f5 | 1980 | encode_nfs4_stateid(xdr, args->stateid); |
9aeda35f | 1981 | } |
b1f69b75 AA |
1982 | #endif /* CONFIG_NFS_V4_1 */ |
1983 | ||
1da177e4 LT |
1984 | /* |
1985 | * END OF "GENERIC" ENCODE ROUTINES. | |
1986 | */ | |
1987 | ||
66cc0429 BH |
1988 | static u32 nfs4_xdr_minorversion(const struct nfs4_sequence_args *args) |
1989 | { | |
1990 | #if defined(CONFIG_NFS_V4_1) | |
1991 | if (args->sa_session) | |
a4432345 | 1992 | return args->sa_session->clp->cl_mvops->minor_version; |
66cc0429 BH |
1993 | #endif /* CONFIG_NFS_V4_1 */ |
1994 | return 0; | |
1995 | } | |
1996 | ||
1da177e4 LT |
1997 | /* |
1998 | * Encode an ACCESS request | |
1999 | */ | |
9f06c719 CL |
2000 | static void nfs4_xdr_enc_access(struct rpc_rqst *req, struct xdr_stream *xdr, |
2001 | const struct nfs4_accessargs *args) | |
1da177e4 | 2002 | { |
1da177e4 | 2003 | struct compound_hdr hdr = { |
66cc0429 | 2004 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2005 | }; |
1da177e4 | 2006 | |
9f06c719 CL |
2007 | encode_compound_hdr(xdr, req, &hdr); |
2008 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2009 | encode_putfh(xdr, args->fh, &hdr); | |
2010 | encode_access(xdr, args->access, &hdr); | |
2011 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2012 | encode_nops(&hdr); |
1da177e4 LT |
2013 | } |
2014 | ||
2015 | /* | |
2016 | * Encode LOOKUP request | |
2017 | */ | |
9f06c719 CL |
2018 | static void nfs4_xdr_enc_lookup(struct rpc_rqst *req, struct xdr_stream *xdr, |
2019 | const struct nfs4_lookup_arg *args) | |
1da177e4 | 2020 | { |
1da177e4 | 2021 | struct compound_hdr hdr = { |
66cc0429 | 2022 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2023 | }; |
1da177e4 | 2024 | |
9f06c719 CL |
2025 | encode_compound_hdr(xdr, req, &hdr); |
2026 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2027 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2028 | encode_lookup(xdr, args->name, &hdr); | |
2029 | encode_getfh(xdr, &hdr); | |
2030 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2031 | encode_nops(&hdr); |
1da177e4 LT |
2032 | } |
2033 | ||
2034 | /* | |
2035 | * Encode LOOKUP_ROOT request | |
2036 | */ | |
9f06c719 CL |
2037 | static void nfs4_xdr_enc_lookup_root(struct rpc_rqst *req, |
2038 | struct xdr_stream *xdr, | |
2039 | const struct nfs4_lookup_root_arg *args) | |
1da177e4 | 2040 | { |
1da177e4 | 2041 | struct compound_hdr hdr = { |
66cc0429 | 2042 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2043 | }; |
1da177e4 | 2044 | |
9f06c719 CL |
2045 | encode_compound_hdr(xdr, req, &hdr); |
2046 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2047 | encode_putrootfh(xdr, &hdr); | |
2048 | encode_getfh(xdr, &hdr); | |
2049 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2050 | encode_nops(&hdr); |
1da177e4 LT |
2051 | } |
2052 | ||
2053 | /* | |
2054 | * Encode REMOVE request | |
2055 | */ | |
9f06c719 CL |
2056 | static void nfs4_xdr_enc_remove(struct rpc_rqst *req, struct xdr_stream *xdr, |
2057 | const struct nfs_removeargs *args) | |
1da177e4 | 2058 | { |
1da177e4 | 2059 | struct compound_hdr hdr = { |
66cc0429 | 2060 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2061 | }; |
1da177e4 | 2062 | |
9f06c719 CL |
2063 | encode_compound_hdr(xdr, req, &hdr); |
2064 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2065 | encode_putfh(xdr, args->fh, &hdr); | |
2066 | encode_remove(xdr, &args->name, &hdr); | |
2067 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2068 | encode_nops(&hdr); |
1da177e4 LT |
2069 | } |
2070 | ||
2071 | /* | |
2072 | * Encode RENAME request | |
2073 | */ | |
9f06c719 CL |
2074 | static void nfs4_xdr_enc_rename(struct rpc_rqst *req, struct xdr_stream *xdr, |
2075 | const struct nfs_renameargs *args) | |
1da177e4 | 2076 | { |
1da177e4 | 2077 | struct compound_hdr hdr = { |
66cc0429 | 2078 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2079 | }; |
1da177e4 | 2080 | |
9f06c719 CL |
2081 | encode_compound_hdr(xdr, req, &hdr); |
2082 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2083 | encode_putfh(xdr, args->old_dir, &hdr); | |
2084 | encode_savefh(xdr, &hdr); | |
2085 | encode_putfh(xdr, args->new_dir, &hdr); | |
2086 | encode_rename(xdr, args->old_name, args->new_name, &hdr); | |
2087 | encode_getfattr(xdr, args->bitmask, &hdr); | |
2088 | encode_restorefh(xdr, &hdr); | |
2089 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2090 | encode_nops(&hdr); |
1da177e4 LT |
2091 | } |
2092 | ||
2093 | /* | |
2094 | * Encode LINK request | |
2095 | */ | |
9f06c719 CL |
2096 | static void nfs4_xdr_enc_link(struct rpc_rqst *req, struct xdr_stream *xdr, |
2097 | const struct nfs4_link_arg *args) | |
1da177e4 | 2098 | { |
1da177e4 | 2099 | struct compound_hdr hdr = { |
66cc0429 | 2100 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2101 | }; |
1da177e4 | 2102 | |
9f06c719 CL |
2103 | encode_compound_hdr(xdr, req, &hdr); |
2104 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2105 | encode_putfh(xdr, args->fh, &hdr); | |
2106 | encode_savefh(xdr, &hdr); | |
2107 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2108 | encode_link(xdr, args->name, &hdr); | |
2109 | encode_getfattr(xdr, args->bitmask, &hdr); | |
2110 | encode_restorefh(xdr, &hdr); | |
2111 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2112 | encode_nops(&hdr); |
1da177e4 LT |
2113 | } |
2114 | ||
2115 | /* | |
2116 | * Encode CREATE request | |
2117 | */ | |
9f06c719 CL |
2118 | static void nfs4_xdr_enc_create(struct rpc_rqst *req, struct xdr_stream *xdr, |
2119 | const struct nfs4_create_arg *args) | |
1da177e4 | 2120 | { |
1da177e4 | 2121 | struct compound_hdr hdr = { |
66cc0429 | 2122 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2123 | }; |
1da177e4 | 2124 | |
9f06c719 CL |
2125 | encode_compound_hdr(xdr, req, &hdr); |
2126 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2127 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2128 | encode_savefh(xdr, &hdr); | |
2129 | encode_create(xdr, args, &hdr); | |
2130 | encode_getfh(xdr, &hdr); | |
2131 | encode_getfattr(xdr, args->bitmask, &hdr); | |
2132 | encode_restorefh(xdr, &hdr); | |
2133 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2134 | encode_nops(&hdr); |
1da177e4 LT |
2135 | } |
2136 | ||
2137 | /* | |
2138 | * Encode SYMLINK request | |
2139 | */ | |
9f06c719 CL |
2140 | static void nfs4_xdr_enc_symlink(struct rpc_rqst *req, struct xdr_stream *xdr, |
2141 | const struct nfs4_create_arg *args) | |
1da177e4 | 2142 | { |
9f06c719 | 2143 | nfs4_xdr_enc_create(req, xdr, args); |
1da177e4 LT |
2144 | } |
2145 | ||
2146 | /* | |
2147 | * Encode GETATTR request | |
2148 | */ | |
9f06c719 CL |
2149 | static void nfs4_xdr_enc_getattr(struct rpc_rqst *req, struct xdr_stream *xdr, |
2150 | const struct nfs4_getattr_arg *args) | |
1da177e4 | 2151 | { |
1da177e4 | 2152 | struct compound_hdr hdr = { |
66cc0429 | 2153 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2154 | }; |
1da177e4 | 2155 | |
9f06c719 CL |
2156 | encode_compound_hdr(xdr, req, &hdr); |
2157 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2158 | encode_putfh(xdr, args->fh, &hdr); | |
2159 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2160 | encode_nops(&hdr); |
1da177e4 LT |
2161 | } |
2162 | ||
2163 | /* | |
2164 | * Encode a CLOSE request | |
2165 | */ | |
9f06c719 CL |
2166 | static void nfs4_xdr_enc_close(struct rpc_rqst *req, struct xdr_stream *xdr, |
2167 | struct nfs_closeargs *args) | |
1da177e4 | 2168 | { |
05d564fe | 2169 | struct compound_hdr hdr = { |
66cc0429 | 2170 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 2171 | }; |
05d564fe | 2172 | |
9f06c719 CL |
2173 | encode_compound_hdr(xdr, req, &hdr); |
2174 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2175 | encode_putfh(xdr, args->fh, &hdr); | |
2176 | encode_close(xdr, args, &hdr); | |
2177 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2178 | encode_nops(&hdr); |
1da177e4 LT |
2179 | } |
2180 | ||
2181 | /* | |
2182 | * Encode an OPEN request | |
2183 | */ | |
9f06c719 CL |
2184 | static void nfs4_xdr_enc_open(struct rpc_rqst *req, struct xdr_stream *xdr, |
2185 | struct nfs_openargs *args) | |
1da177e4 | 2186 | { |
1da177e4 | 2187 | struct compound_hdr hdr = { |
66cc0429 | 2188 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2189 | }; |
1da177e4 | 2190 | |
9f06c719 CL |
2191 | encode_compound_hdr(xdr, req, &hdr); |
2192 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2193 | encode_putfh(xdr, args->fh, &hdr); | |
2194 | encode_savefh(xdr, &hdr); | |
2195 | encode_open(xdr, args, &hdr); | |
2196 | encode_getfh(xdr, &hdr); | |
2197 | encode_getfattr(xdr, args->bitmask, &hdr); | |
2198 | encode_restorefh(xdr, &hdr); | |
6926afd1 | 2199 | encode_getfattr(xdr, args->dir_bitmask, &hdr); |
d017931c | 2200 | encode_nops(&hdr); |
1da177e4 LT |
2201 | } |
2202 | ||
2203 | /* | |
2204 | * Encode an OPEN_CONFIRM request | |
2205 | */ | |
9f06c719 CL |
2206 | static void nfs4_xdr_enc_open_confirm(struct rpc_rqst *req, |
2207 | struct xdr_stream *xdr, | |
2208 | struct nfs_open_confirmargs *args) | |
1da177e4 | 2209 | { |
1da177e4 | 2210 | struct compound_hdr hdr = { |
d017931c | 2211 | .nops = 0, |
1da177e4 | 2212 | }; |
1da177e4 | 2213 | |
9f06c719 CL |
2214 | encode_compound_hdr(xdr, req, &hdr); |
2215 | encode_putfh(xdr, args->fh, &hdr); | |
2216 | encode_open_confirm(xdr, args, &hdr); | |
d017931c | 2217 | encode_nops(&hdr); |
1da177e4 LT |
2218 | } |
2219 | ||
2220 | /* | |
2221 | * Encode an OPEN request with no attributes. | |
2222 | */ | |
9f06c719 CL |
2223 | static void nfs4_xdr_enc_open_noattr(struct rpc_rqst *req, |
2224 | struct xdr_stream *xdr, | |
2225 | struct nfs_openargs *args) | |
1da177e4 | 2226 | { |
1da177e4 | 2227 | struct compound_hdr hdr = { |
66cc0429 | 2228 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2229 | }; |
1da177e4 | 2230 | |
9f06c719 CL |
2231 | encode_compound_hdr(xdr, req, &hdr); |
2232 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2233 | encode_putfh(xdr, args->fh, &hdr); | |
2234 | encode_open(xdr, args, &hdr); | |
2235 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2236 | encode_nops(&hdr); |
1da177e4 LT |
2237 | } |
2238 | ||
2239 | /* | |
2240 | * Encode an OPEN_DOWNGRADE request | |
2241 | */ | |
9f06c719 CL |
2242 | static void nfs4_xdr_enc_open_downgrade(struct rpc_rqst *req, |
2243 | struct xdr_stream *xdr, | |
2244 | struct nfs_closeargs *args) | |
1da177e4 | 2245 | { |
1da177e4 | 2246 | struct compound_hdr hdr = { |
66cc0429 | 2247 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2248 | }; |
1da177e4 | 2249 | |
9f06c719 CL |
2250 | encode_compound_hdr(xdr, req, &hdr); |
2251 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2252 | encode_putfh(xdr, args->fh, &hdr); | |
2253 | encode_open_downgrade(xdr, args, &hdr); | |
2254 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2255 | encode_nops(&hdr); |
1da177e4 LT |
2256 | } |
2257 | ||
2258 | /* | |
2259 | * Encode a LOCK request | |
2260 | */ | |
9f06c719 CL |
2261 | static void nfs4_xdr_enc_lock(struct rpc_rqst *req, struct xdr_stream *xdr, |
2262 | struct nfs_lock_args *args) | |
1da177e4 | 2263 | { |
1da177e4 | 2264 | struct compound_hdr hdr = { |
66cc0429 | 2265 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2266 | }; |
1da177e4 | 2267 | |
9f06c719 CL |
2268 | encode_compound_hdr(xdr, req, &hdr); |
2269 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2270 | encode_putfh(xdr, args->fh, &hdr); | |
2271 | encode_lock(xdr, args, &hdr); | |
d017931c | 2272 | encode_nops(&hdr); |
1da177e4 LT |
2273 | } |
2274 | ||
2275 | /* | |
2276 | * Encode a LOCKT request | |
2277 | */ | |
9f06c719 CL |
2278 | static void nfs4_xdr_enc_lockt(struct rpc_rqst *req, struct xdr_stream *xdr, |
2279 | struct nfs_lockt_args *args) | |
1da177e4 | 2280 | { |
1da177e4 | 2281 | struct compound_hdr hdr = { |
66cc0429 | 2282 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2283 | }; |
1da177e4 | 2284 | |
9f06c719 CL |
2285 | encode_compound_hdr(xdr, req, &hdr); |
2286 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2287 | encode_putfh(xdr, args->fh, &hdr); | |
2288 | encode_lockt(xdr, args, &hdr); | |
d017931c | 2289 | encode_nops(&hdr); |
1da177e4 LT |
2290 | } |
2291 | ||
2292 | /* | |
2293 | * Encode a LOCKU request | |
2294 | */ | |
9f06c719 CL |
2295 | static void nfs4_xdr_enc_locku(struct rpc_rqst *req, struct xdr_stream *xdr, |
2296 | struct nfs_locku_args *args) | |
1da177e4 | 2297 | { |
1da177e4 | 2298 | struct compound_hdr hdr = { |
66cc0429 | 2299 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2300 | }; |
1da177e4 | 2301 | |
9f06c719 CL |
2302 | encode_compound_hdr(xdr, req, &hdr); |
2303 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2304 | encode_putfh(xdr, args->fh, &hdr); | |
2305 | encode_locku(xdr, args, &hdr); | |
d017931c | 2306 | encode_nops(&hdr); |
1da177e4 LT |
2307 | } |
2308 | ||
9f06c719 CL |
2309 | static void nfs4_xdr_enc_release_lockowner(struct rpc_rqst *req, |
2310 | struct xdr_stream *xdr, | |
2311 | struct nfs_release_lockowner_args *args) | |
d3c7b7cc | 2312 | { |
d3c7b7cc TM |
2313 | struct compound_hdr hdr = { |
2314 | .minorversion = 0, | |
2315 | }; | |
2316 | ||
9f06c719 CL |
2317 | encode_compound_hdr(xdr, req, &hdr); |
2318 | encode_release_lockowner(xdr, &args->lock_owner, &hdr); | |
d3c7b7cc | 2319 | encode_nops(&hdr); |
d3c7b7cc TM |
2320 | } |
2321 | ||
1da177e4 LT |
2322 | /* |
2323 | * Encode a READLINK request | |
2324 | */ | |
9f06c719 CL |
2325 | static void nfs4_xdr_enc_readlink(struct rpc_rqst *req, struct xdr_stream *xdr, |
2326 | const struct nfs4_readlink *args) | |
1da177e4 | 2327 | { |
1da177e4 | 2328 | struct compound_hdr hdr = { |
66cc0429 | 2329 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2330 | }; |
1da177e4 | 2331 | |
9f06c719 CL |
2332 | encode_compound_hdr(xdr, req, &hdr); |
2333 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2334 | encode_putfh(xdr, args->fh, &hdr); | |
2335 | encode_readlink(xdr, args, req, &hdr); | |
e3a535e1 | 2336 | |
28f56694 | 2337 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, |
e3a535e1 | 2338 | args->pgbase, args->pglen); |
d017931c | 2339 | encode_nops(&hdr); |
1da177e4 LT |
2340 | } |
2341 | ||
2342 | /* | |
2343 | * Encode a READDIR request | |
2344 | */ | |
9f06c719 CL |
2345 | static void nfs4_xdr_enc_readdir(struct rpc_rqst *req, struct xdr_stream *xdr, |
2346 | const struct nfs4_readdir_arg *args) | |
1da177e4 | 2347 | { |
1da177e4 | 2348 | struct compound_hdr hdr = { |
66cc0429 | 2349 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2350 | }; |
1da177e4 | 2351 | |
9f06c719 CL |
2352 | encode_compound_hdr(xdr, req, &hdr); |
2353 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2354 | encode_putfh(xdr, args->fh, &hdr); | |
2355 | encode_readdir(xdr, args, req, &hdr); | |
d6ac02df | 2356 | |
28f56694 | 2357 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, |
d6ac02df TM |
2358 | args->pgbase, args->count); |
2359 | dprintk("%s: inlined page args = (%u, %p, %u, %u)\n", | |
28f56694 | 2360 | __func__, hdr.replen << 2, args->pages, |
d6ac02df | 2361 | args->pgbase, args->count); |
d017931c | 2362 | encode_nops(&hdr); |
1da177e4 LT |
2363 | } |
2364 | ||
2365 | /* | |
2366 | * Encode a READ request | |
2367 | */ | |
9f06c719 CL |
2368 | static void nfs4_xdr_enc_read(struct rpc_rqst *req, struct xdr_stream *xdr, |
2369 | struct nfs_readargs *args) | |
1da177e4 | 2370 | { |
1da177e4 | 2371 | struct compound_hdr hdr = { |
66cc0429 | 2372 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2373 | }; |
1da177e4 | 2374 | |
9f06c719 CL |
2375 | encode_compound_hdr(xdr, req, &hdr); |
2376 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2377 | encode_putfh(xdr, args->fh, &hdr); | |
2378 | encode_read(xdr, args, &hdr); | |
1da177e4 | 2379 | |
28f56694 | 2380 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, |
1da177e4 | 2381 | args->pages, args->pgbase, args->count); |
4f22ccc3 | 2382 | req->rq_rcv_buf.flags |= XDRBUF_READ; |
d017931c | 2383 | encode_nops(&hdr); |
1da177e4 LT |
2384 | } |
2385 | ||
2386 | /* | |
2387 | * Encode an SETATTR request | |
2388 | */ | |
9f06c719 CL |
2389 | static void nfs4_xdr_enc_setattr(struct rpc_rqst *req, struct xdr_stream *xdr, |
2390 | struct nfs_setattrargs *args) | |
1da177e4 | 2391 | { |
05d564fe | 2392 | struct compound_hdr hdr = { |
66cc0429 | 2393 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 2394 | }; |
05d564fe | 2395 | |
9f06c719 CL |
2396 | encode_compound_hdr(xdr, req, &hdr); |
2397 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2398 | encode_putfh(xdr, args->fh, &hdr); | |
2399 | encode_setattr(xdr, args, args->server, &hdr); | |
2400 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2401 | encode_nops(&hdr); |
1da177e4 LT |
2402 | } |
2403 | ||
029d105e BF |
2404 | /* |
2405 | * Encode a GETACL request | |
2406 | */ | |
9f06c719 CL |
2407 | static void nfs4_xdr_enc_getacl(struct rpc_rqst *req, struct xdr_stream *xdr, |
2408 | struct nfs_getaclargs *args) | |
029d105e | 2409 | { |
029d105e | 2410 | struct compound_hdr hdr = { |
66cc0429 | 2411 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
029d105e | 2412 | }; |
28f56694 | 2413 | uint32_t replen; |
029d105e | 2414 | |
9f06c719 CL |
2415 | encode_compound_hdr(xdr, req, &hdr); |
2416 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2417 | encode_putfh(xdr, args->fh, &hdr); | |
bf118a34 | 2418 | replen = hdr.replen + op_decode_hdr_maxsz + 1; |
9f06c719 | 2419 | encode_getattr_two(xdr, FATTR4_WORD0_ACL, 0, &hdr); |
cf8cdbe5 | 2420 | |
28f56694 | 2421 | xdr_inline_pages(&req->rq_rcv_buf, replen << 2, |
029d105e | 2422 | args->acl_pages, args->acl_pgbase, args->acl_len); |
bf118a34 | 2423 | |
d017931c | 2424 | encode_nops(&hdr); |
029d105e BF |
2425 | } |
2426 | ||
1da177e4 LT |
2427 | /* |
2428 | * Encode a WRITE request | |
2429 | */ | |
9f06c719 CL |
2430 | static void nfs4_xdr_enc_write(struct rpc_rqst *req, struct xdr_stream *xdr, |
2431 | struct nfs_writeargs *args) | |
1da177e4 | 2432 | { |
1da177e4 | 2433 | struct compound_hdr hdr = { |
66cc0429 | 2434 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2435 | }; |
1da177e4 | 2436 | |
9f06c719 CL |
2437 | encode_compound_hdr(xdr, req, &hdr); |
2438 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2439 | encode_putfh(xdr, args->fh, &hdr); | |
2440 | encode_write(xdr, args, &hdr); | |
4f22ccc3 | 2441 | req->rq_snd_buf.flags |= XDRBUF_WRITE; |
7ffd1064 FI |
2442 | if (args->bitmask) |
2443 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2444 | encode_nops(&hdr); |
1da177e4 LT |
2445 | } |
2446 | ||
2447 | /* | |
2448 | * a COMMIT request | |
2449 | */ | |
9f06c719 | 2450 | static void nfs4_xdr_enc_commit(struct rpc_rqst *req, struct xdr_stream *xdr, |
0b7c0153 | 2451 | struct nfs_commitargs *args) |
1da177e4 | 2452 | { |
1da177e4 | 2453 | struct compound_hdr hdr = { |
66cc0429 | 2454 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2455 | }; |
1da177e4 | 2456 | |
9f06c719 CL |
2457 | encode_compound_hdr(xdr, req, &hdr); |
2458 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2459 | encode_putfh(xdr, args->fh, &hdr); | |
2460 | encode_commit(xdr, args, &hdr); | |
988b6dce FI |
2461 | if (args->bitmask) |
2462 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2463 | encode_nops(&hdr); |
1da177e4 LT |
2464 | } |
2465 | ||
2466 | /* | |
2467 | * FSINFO request | |
2468 | */ | |
9f06c719 CL |
2469 | static void nfs4_xdr_enc_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, |
2470 | struct nfs4_fsinfo_arg *args) | |
1da177e4 | 2471 | { |
1da177e4 | 2472 | struct compound_hdr hdr = { |
66cc0429 | 2473 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2474 | }; |
1da177e4 | 2475 | |
9f06c719 CL |
2476 | encode_compound_hdr(xdr, req, &hdr); |
2477 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2478 | encode_putfh(xdr, args->fh, &hdr); | |
2479 | encode_fsinfo(xdr, args->bitmask, &hdr); | |
d017931c | 2480 | encode_nops(&hdr); |
1da177e4 LT |
2481 | } |
2482 | ||
2483 | /* | |
2484 | * a PATHCONF request | |
2485 | */ | |
9f06c719 CL |
2486 | static void nfs4_xdr_enc_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, |
2487 | const struct nfs4_pathconf_arg *args) | |
1da177e4 | 2488 | { |
1da177e4 | 2489 | struct compound_hdr hdr = { |
66cc0429 | 2490 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2491 | }; |
1da177e4 | 2492 | |
9f06c719 CL |
2493 | encode_compound_hdr(xdr, req, &hdr); |
2494 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2495 | encode_putfh(xdr, args->fh, &hdr); | |
2496 | encode_getattr_one(xdr, args->bitmask[0] & nfs4_pathconf_bitmap[0], | |
cf8cdbe5 | 2497 | &hdr); |
d017931c | 2498 | encode_nops(&hdr); |
1da177e4 LT |
2499 | } |
2500 | ||
2501 | /* | |
2502 | * a STATFS request | |
2503 | */ | |
9f06c719 CL |
2504 | static void nfs4_xdr_enc_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, |
2505 | const struct nfs4_statfs_arg *args) | |
1da177e4 | 2506 | { |
1da177e4 | 2507 | struct compound_hdr hdr = { |
66cc0429 | 2508 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2509 | }; |
1da177e4 | 2510 | |
9f06c719 CL |
2511 | encode_compound_hdr(xdr, req, &hdr); |
2512 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2513 | encode_putfh(xdr, args->fh, &hdr); | |
2514 | encode_getattr_two(xdr, args->bitmask[0] & nfs4_statfs_bitmap[0], | |
cf8cdbe5 | 2515 | args->bitmask[1] & nfs4_statfs_bitmap[1], &hdr); |
d017931c | 2516 | encode_nops(&hdr); |
1da177e4 LT |
2517 | } |
2518 | ||
2519 | /* | |
2520 | * GETATTR_BITMAP request | |
2521 | */ | |
9f06c719 CL |
2522 | static void nfs4_xdr_enc_server_caps(struct rpc_rqst *req, |
2523 | struct xdr_stream *xdr, | |
2524 | struct nfs4_server_caps_arg *args) | |
1da177e4 | 2525 | { |
1da177e4 | 2526 | struct compound_hdr hdr = { |
66cc0429 | 2527 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2528 | }; |
1da177e4 | 2529 | |
9f06c719 CL |
2530 | encode_compound_hdr(xdr, req, &hdr); |
2531 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2532 | encode_putfh(xdr, args->fhandle, &hdr); | |
2533 | encode_getattr_one(xdr, FATTR4_WORD0_SUPPORTED_ATTRS| | |
264e6351 | 2534 | FATTR4_WORD0_FH_EXPIRE_TYPE| |
cf8cdbe5 AA |
2535 | FATTR4_WORD0_LINK_SUPPORT| |
2536 | FATTR4_WORD0_SYMLINK_SUPPORT| | |
2537 | FATTR4_WORD0_ACLSUPPORT, &hdr); | |
d017931c | 2538 | encode_nops(&hdr); |
1da177e4 LT |
2539 | } |
2540 | ||
2541 | /* | |
2542 | * a RENEW request | |
2543 | */ | |
9f06c719 CL |
2544 | static void nfs4_xdr_enc_renew(struct rpc_rqst *req, struct xdr_stream *xdr, |
2545 | struct nfs_client *clp) | |
1da177e4 | 2546 | { |
1da177e4 | 2547 | struct compound_hdr hdr = { |
d017931c | 2548 | .nops = 0, |
1da177e4 LT |
2549 | }; |
2550 | ||
9f06c719 | 2551 | encode_compound_hdr(xdr, req, &hdr); |
bb4dae5e | 2552 | encode_renew(xdr, clp->cl_clientid, &hdr); |
d017931c | 2553 | encode_nops(&hdr); |
1da177e4 LT |
2554 | } |
2555 | ||
2556 | /* | |
2557 | * a SETCLIENTID request | |
2558 | */ | |
9f06c719 CL |
2559 | static void nfs4_xdr_enc_setclientid(struct rpc_rqst *req, |
2560 | struct xdr_stream *xdr, | |
2561 | struct nfs4_setclientid *sc) | |
1da177e4 | 2562 | { |
1da177e4 | 2563 | struct compound_hdr hdr = { |
d017931c | 2564 | .nops = 0, |
1da177e4 LT |
2565 | }; |
2566 | ||
9f06c719 CL |
2567 | encode_compound_hdr(xdr, req, &hdr); |
2568 | encode_setclientid(xdr, sc, &hdr); | |
d017931c | 2569 | encode_nops(&hdr); |
1da177e4 LT |
2570 | } |
2571 | ||
2572 | /* | |
2573 | * a SETCLIENTID_CONFIRM request | |
2574 | */ | |
9f06c719 CL |
2575 | static void nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, |
2576 | struct xdr_stream *xdr, | |
2577 | struct nfs4_setclientid_res *arg) | |
1da177e4 | 2578 | { |
1da177e4 | 2579 | struct compound_hdr hdr = { |
d017931c | 2580 | .nops = 0, |
1da177e4 | 2581 | }; |
dae100c2 | 2582 | const u32 lease_bitmap[3] = { FATTR4_WORD0_LEASE_TIME }; |
1da177e4 | 2583 | |
9f06c719 CL |
2584 | encode_compound_hdr(xdr, req, &hdr); |
2585 | encode_setclientid_confirm(xdr, arg, &hdr); | |
2586 | encode_putrootfh(xdr, &hdr); | |
2587 | encode_fsinfo(xdr, lease_bitmap, &hdr); | |
d017931c | 2588 | encode_nops(&hdr); |
1da177e4 LT |
2589 | } |
2590 | ||
2591 | /* | |
2592 | * DELEGRETURN request | |
2593 | */ | |
9f06c719 CL |
2594 | static void nfs4_xdr_enc_delegreturn(struct rpc_rqst *req, |
2595 | struct xdr_stream *xdr, | |
2596 | const struct nfs4_delegreturnargs *args) | |
1da177e4 | 2597 | { |
1da177e4 | 2598 | struct compound_hdr hdr = { |
66cc0429 | 2599 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2600 | }; |
1da177e4 | 2601 | |
9f06c719 CL |
2602 | encode_compound_hdr(xdr, req, &hdr); |
2603 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2604 | encode_putfh(xdr, args->fhandle, &hdr); | |
2605 | encode_delegreturn(xdr, args->stateid, &hdr); | |
2606 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2607 | encode_nops(&hdr); |
1da177e4 LT |
2608 | } |
2609 | ||
683b57b4 TM |
2610 | /* |
2611 | * Encode FS_LOCATIONS request | |
2612 | */ | |
9f06c719 CL |
2613 | static void nfs4_xdr_enc_fs_locations(struct rpc_rqst *req, |
2614 | struct xdr_stream *xdr, | |
2615 | struct nfs4_fs_locations_arg *args) | |
683b57b4 | 2616 | { |
683b57b4 | 2617 | struct compound_hdr hdr = { |
66cc0429 | 2618 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
683b57b4 | 2619 | }; |
28f56694 | 2620 | uint32_t replen; |
683b57b4 | 2621 | |
9f06c719 CL |
2622 | encode_compound_hdr(xdr, req, &hdr); |
2623 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2624 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2625 | encode_lookup(xdr, args->name, &hdr); | |
28f56694 | 2626 | replen = hdr.replen; /* get the attribute into args->page */ |
9f06c719 | 2627 | encode_fs_locations(xdr, args->bitmask, &hdr); |
cf8cdbe5 | 2628 | |
28f56694 | 2629 | xdr_inline_pages(&req->rq_rcv_buf, replen << 2, &args->page, |
683b57b4 | 2630 | 0, PAGE_SIZE); |
d017931c | 2631 | encode_nops(&hdr); |
683b57b4 TM |
2632 | } |
2633 | ||
5a5ea0d4 BS |
2634 | /* |
2635 | * Encode SECINFO request | |
2636 | */ | |
2637 | static void nfs4_xdr_enc_secinfo(struct rpc_rqst *req, | |
2638 | struct xdr_stream *xdr, | |
2639 | struct nfs4_secinfo_arg *args) | |
2640 | { | |
2641 | struct compound_hdr hdr = { | |
2642 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2643 | }; | |
2644 | ||
2645 | encode_compound_hdr(xdr, req, &hdr); | |
2646 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2647 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2648 | encode_secinfo(xdr, args->name, &hdr); | |
2649 | encode_nops(&hdr); | |
2650 | } | |
2651 | ||
99fe60d0 BH |
2652 | #if defined(CONFIG_NFS_V4_1) |
2653 | /* | |
2654 | * EXCHANGE_ID request | |
2655 | */ | |
9f06c719 CL |
2656 | static void nfs4_xdr_enc_exchange_id(struct rpc_rqst *req, |
2657 | struct xdr_stream *xdr, | |
2658 | struct nfs41_exchange_id_args *args) | |
99fe60d0 | 2659 | { |
99fe60d0 | 2660 | struct compound_hdr hdr = { |
a4432345 | 2661 | .minorversion = args->client->cl_mvops->minor_version, |
99fe60d0 BH |
2662 | }; |
2663 | ||
9f06c719 CL |
2664 | encode_compound_hdr(xdr, req, &hdr); |
2665 | encode_exchange_id(xdr, args, &hdr); | |
99fe60d0 | 2666 | encode_nops(&hdr); |
99fe60d0 | 2667 | } |
2050f0cc | 2668 | |
fc931582 AA |
2669 | /* |
2670 | * a CREATE_SESSION request | |
2671 | */ | |
9f06c719 CL |
2672 | static void nfs4_xdr_enc_create_session(struct rpc_rqst *req, |
2673 | struct xdr_stream *xdr, | |
2674 | struct nfs41_create_session_args *args) | |
fc931582 | 2675 | { |
fc931582 | 2676 | struct compound_hdr hdr = { |
a4432345 | 2677 | .minorversion = args->client->cl_mvops->minor_version, |
fc931582 AA |
2678 | }; |
2679 | ||
9f06c719 CL |
2680 | encode_compound_hdr(xdr, req, &hdr); |
2681 | encode_create_session(xdr, args, &hdr); | |
fc931582 | 2682 | encode_nops(&hdr); |
fc931582 AA |
2683 | } |
2684 | ||
0f3e66c6 AA |
2685 | /* |
2686 | * a DESTROY_SESSION request | |
2687 | */ | |
9f06c719 CL |
2688 | static void nfs4_xdr_enc_destroy_session(struct rpc_rqst *req, |
2689 | struct xdr_stream *xdr, | |
2690 | struct nfs4_session *session) | |
0f3e66c6 | 2691 | { |
0f3e66c6 | 2692 | struct compound_hdr hdr = { |
a4432345 | 2693 | .minorversion = session->clp->cl_mvops->minor_version, |
0f3e66c6 AA |
2694 | }; |
2695 | ||
9f06c719 CL |
2696 | encode_compound_hdr(xdr, req, &hdr); |
2697 | encode_destroy_session(xdr, session, &hdr); | |
0f3e66c6 | 2698 | encode_nops(&hdr); |
0f3e66c6 AA |
2699 | } |
2700 | ||
fc01cea9 AA |
2701 | /* |
2702 | * a SEQUENCE request | |
2703 | */ | |
9f06c719 CL |
2704 | static void nfs4_xdr_enc_sequence(struct rpc_rqst *req, struct xdr_stream *xdr, |
2705 | struct nfs4_sequence_args *args) | |
fc01cea9 | 2706 | { |
fc01cea9 AA |
2707 | struct compound_hdr hdr = { |
2708 | .minorversion = nfs4_xdr_minorversion(args), | |
2709 | }; | |
2710 | ||
9f06c719 CL |
2711 | encode_compound_hdr(xdr, req, &hdr); |
2712 | encode_sequence(xdr, args, &hdr); | |
fc01cea9 | 2713 | encode_nops(&hdr); |
fc01cea9 AA |
2714 | } |
2715 | ||
2050f0cc AA |
2716 | /* |
2717 | * a GET_LEASE_TIME request | |
2718 | */ | |
9f06c719 CL |
2719 | static void nfs4_xdr_enc_get_lease_time(struct rpc_rqst *req, |
2720 | struct xdr_stream *xdr, | |
2721 | struct nfs4_get_lease_time_args *args) | |
2050f0cc | 2722 | { |
2050f0cc AA |
2723 | struct compound_hdr hdr = { |
2724 | .minorversion = nfs4_xdr_minorversion(&args->la_seq_args), | |
2725 | }; | |
dae100c2 | 2726 | const u32 lease_bitmap[3] = { FATTR4_WORD0_LEASE_TIME }; |
2050f0cc | 2727 | |
9f06c719 CL |
2728 | encode_compound_hdr(xdr, req, &hdr); |
2729 | encode_sequence(xdr, &args->la_seq_args, &hdr); | |
2730 | encode_putrootfh(xdr, &hdr); | |
2731 | encode_fsinfo(xdr, lease_bitmap, &hdr); | |
2050f0cc | 2732 | encode_nops(&hdr); |
2050f0cc | 2733 | } |
18019753 RL |
2734 | |
2735 | /* | |
2736 | * a RECLAIM_COMPLETE request | |
2737 | */ | |
9f06c719 CL |
2738 | static void nfs4_xdr_enc_reclaim_complete(struct rpc_rqst *req, |
2739 | struct xdr_stream *xdr, | |
2740 | struct nfs41_reclaim_complete_args *args) | |
18019753 | 2741 | { |
18019753 RL |
2742 | struct compound_hdr hdr = { |
2743 | .minorversion = nfs4_xdr_minorversion(&args->seq_args) | |
2744 | }; | |
2745 | ||
9f06c719 CL |
2746 | encode_compound_hdr(xdr, req, &hdr); |
2747 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2748 | encode_reclaim_complete(xdr, args, &hdr); | |
18019753 | 2749 | encode_nops(&hdr); |
18019753 RL |
2750 | } |
2751 | ||
7f11d8d3 AA |
2752 | /* |
2753 | * Encode GETDEVICELIST request | |
2754 | */ | |
2755 | static void nfs4_xdr_enc_getdevicelist(struct rpc_rqst *req, | |
2756 | struct xdr_stream *xdr, | |
2757 | struct nfs4_getdevicelist_args *args) | |
2758 | { | |
2759 | struct compound_hdr hdr = { | |
2760 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2761 | }; | |
2762 | ||
2763 | encode_compound_hdr(xdr, req, &hdr); | |
2764 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2765 | encode_putfh(xdr, args->fh, &hdr); | |
2766 | encode_getdevicelist(xdr, args, &hdr); | |
2767 | encode_nops(&hdr); | |
2768 | } | |
2769 | ||
b1f69b75 AA |
2770 | /* |
2771 | * Encode GETDEVICEINFO request | |
2772 | */ | |
9f06c719 CL |
2773 | static void nfs4_xdr_enc_getdeviceinfo(struct rpc_rqst *req, |
2774 | struct xdr_stream *xdr, | |
2775 | struct nfs4_getdeviceinfo_args *args) | |
b1f69b75 | 2776 | { |
b1f69b75 AA |
2777 | struct compound_hdr hdr = { |
2778 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2779 | }; | |
2780 | ||
9f06c719 CL |
2781 | encode_compound_hdr(xdr, req, &hdr); |
2782 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2783 | encode_getdeviceinfo(xdr, args, &hdr); | |
b1f69b75 AA |
2784 | |
2785 | /* set up reply kvec. Subtract notification bitmap max size (2) | |
2786 | * so that notification bitmap is put in xdr_buf tail */ | |
2787 | xdr_inline_pages(&req->rq_rcv_buf, (hdr.replen - 2) << 2, | |
2788 | args->pdev->pages, args->pdev->pgbase, | |
2789 | args->pdev->pglen); | |
2790 | ||
2791 | encode_nops(&hdr); | |
b1f69b75 AA |
2792 | } |
2793 | ||
2794 | /* | |
2795 | * Encode LAYOUTGET request | |
2796 | */ | |
9f06c719 CL |
2797 | static void nfs4_xdr_enc_layoutget(struct rpc_rqst *req, |
2798 | struct xdr_stream *xdr, | |
2799 | struct nfs4_layoutget_args *args) | |
b1f69b75 | 2800 | { |
b1f69b75 AA |
2801 | struct compound_hdr hdr = { |
2802 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2803 | }; | |
2804 | ||
9f06c719 CL |
2805 | encode_compound_hdr(xdr, req, &hdr); |
2806 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2807 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
2808 | encode_layoutget(xdr, args, &hdr); | |
35124a09 WAA |
2809 | |
2810 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, | |
2811 | args->layout.pages, 0, args->layout.pglen); | |
2812 | ||
b1f69b75 | 2813 | encode_nops(&hdr); |
b1f69b75 | 2814 | } |
863a3c6c AA |
2815 | |
2816 | /* | |
2817 | * Encode LAYOUTCOMMIT request | |
2818 | */ | |
cbe82603 BH |
2819 | static void nfs4_xdr_enc_layoutcommit(struct rpc_rqst *req, |
2820 | struct xdr_stream *xdr, | |
2821 | struct nfs4_layoutcommit_args *args) | |
863a3c6c | 2822 | { |
ac7db726 BH |
2823 | struct nfs4_layoutcommit_data *data = |
2824 | container_of(args, struct nfs4_layoutcommit_data, args); | |
863a3c6c AA |
2825 | struct compound_hdr hdr = { |
2826 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2827 | }; | |
2828 | ||
2829 | encode_compound_hdr(xdr, req, &hdr); | |
2830 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2831 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
ac7db726 | 2832 | encode_layoutcommit(xdr, data->args.inode, args, &hdr); |
863a3c6c | 2833 | encode_getfattr(xdr, args->bitmask, &hdr); |
b1f69b75 | 2834 | encode_nops(&hdr); |
cbe82603 BH |
2835 | } |
2836 | ||
2837 | /* | |
2838 | * Encode LAYOUTRETURN request | |
2839 | */ | |
2840 | static void nfs4_xdr_enc_layoutreturn(struct rpc_rqst *req, | |
2841 | struct xdr_stream *xdr, | |
2842 | struct nfs4_layoutreturn_args *args) | |
2843 | { | |
2844 | struct compound_hdr hdr = { | |
2845 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2846 | }; | |
2847 | ||
2848 | encode_compound_hdr(xdr, req, &hdr); | |
2849 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2850 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
2851 | encode_layoutreturn(xdr, args, &hdr); | |
2852 | encode_nops(&hdr); | |
b1f69b75 | 2853 | } |
fca78d6d BS |
2854 | |
2855 | /* | |
2856 | * Encode SECINFO_NO_NAME request | |
2857 | */ | |
2858 | static int nfs4_xdr_enc_secinfo_no_name(struct rpc_rqst *req, | |
2859 | struct xdr_stream *xdr, | |
2860 | struct nfs41_secinfo_no_name_args *args) | |
2861 | { | |
2862 | struct compound_hdr hdr = { | |
2863 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2864 | }; | |
2865 | ||
2866 | encode_compound_hdr(xdr, req, &hdr); | |
2867 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2868 | encode_putrootfh(xdr, &hdr); | |
2869 | encode_secinfo_no_name(xdr, args, &hdr); | |
2870 | encode_nops(&hdr); | |
2871 | return 0; | |
2872 | } | |
7d974794 BS |
2873 | |
2874 | /* | |
2875 | * Encode TEST_STATEID request | |
2876 | */ | |
2877 | static void nfs4_xdr_enc_test_stateid(struct rpc_rqst *req, | |
2878 | struct xdr_stream *xdr, | |
2879 | struct nfs41_test_stateid_args *args) | |
2880 | { | |
2881 | struct compound_hdr hdr = { | |
2882 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2883 | }; | |
2884 | ||
2885 | encode_compound_hdr(xdr, req, &hdr); | |
2886 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2887 | encode_test_stateid(xdr, args, &hdr); | |
2888 | encode_nops(&hdr); | |
2889 | } | |
9aeda35f BS |
2890 | |
2891 | /* | |
2892 | * Encode FREE_STATEID request | |
2893 | */ | |
2894 | static void nfs4_xdr_enc_free_stateid(struct rpc_rqst *req, | |
2895 | struct xdr_stream *xdr, | |
2896 | struct nfs41_free_stateid_args *args) | |
2897 | { | |
2898 | struct compound_hdr hdr = { | |
2899 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2900 | }; | |
2901 | ||
2902 | encode_compound_hdr(xdr, req, &hdr); | |
2903 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2904 | encode_free_stateid(xdr, args, &hdr); | |
2905 | encode_nops(&hdr); | |
2906 | } | |
99fe60d0 BH |
2907 | #endif /* CONFIG_NFS_V4_1 */ |
2908 | ||
686841b3 BH |
2909 | static void print_overflow_msg(const char *func, const struct xdr_stream *xdr) |
2910 | { | |
2911 | dprintk("nfs: %s: prematurely hit end of receive buffer. " | |
2912 | "Remaining buffer length is %tu words.\n", | |
2913 | func, xdr->end - xdr->p); | |
2914 | } | |
1da177e4 | 2915 | |
683b57b4 | 2916 | static int decode_opaque_inline(struct xdr_stream *xdr, unsigned int *len, char **string) |
1da177e4 | 2917 | { |
8687b63a | 2918 | __be32 *p; |
1da177e4 | 2919 | |
c0eae66e BH |
2920 | p = xdr_inline_decode(xdr, 4); |
2921 | if (unlikely(!p)) | |
2922 | goto out_overflow; | |
cccddf4f | 2923 | *len = be32_to_cpup(p); |
c0eae66e BH |
2924 | p = xdr_inline_decode(xdr, *len); |
2925 | if (unlikely(!p)) | |
2926 | goto out_overflow; | |
1da177e4 LT |
2927 | *string = (char *)p; |
2928 | return 0; | |
c0eae66e BH |
2929 | out_overflow: |
2930 | print_overflow_msg(__func__, xdr); | |
2931 | return -EIO; | |
1da177e4 LT |
2932 | } |
2933 | ||
2934 | static int decode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr) | |
2935 | { | |
8687b63a | 2936 | __be32 *p; |
1da177e4 | 2937 | |
c0eae66e BH |
2938 | p = xdr_inline_decode(xdr, 8); |
2939 | if (unlikely(!p)) | |
2940 | goto out_overflow; | |
6f723f77 | 2941 | hdr->status = be32_to_cpup(p++); |
cccddf4f | 2942 | hdr->taglen = be32_to_cpup(p); |
6c0195a4 | 2943 | |
c0eae66e BH |
2944 | p = xdr_inline_decode(xdr, hdr->taglen + 4); |
2945 | if (unlikely(!p)) | |
2946 | goto out_overflow; | |
1da177e4 LT |
2947 | hdr->tag = (char *)p; |
2948 | p += XDR_QUADLEN(hdr->taglen); | |
cccddf4f | 2949 | hdr->nops = be32_to_cpup(p); |
aadf6152 BH |
2950 | if (unlikely(hdr->nops < 1)) |
2951 | return nfs4_stat_to_errno(hdr->status); | |
1da177e4 | 2952 | return 0; |
c0eae66e BH |
2953 | out_overflow: |
2954 | print_overflow_msg(__func__, xdr); | |
2955 | return -EIO; | |
1da177e4 LT |
2956 | } |
2957 | ||
2958 | static int decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected) | |
2959 | { | |
8687b63a | 2960 | __be32 *p; |
1da177e4 LT |
2961 | uint32_t opnum; |
2962 | int32_t nfserr; | |
2963 | ||
c0eae66e BH |
2964 | p = xdr_inline_decode(xdr, 8); |
2965 | if (unlikely(!p)) | |
2966 | goto out_overflow; | |
6f723f77 | 2967 | opnum = be32_to_cpup(p++); |
1da177e4 | 2968 | if (opnum != expected) { |
fe82a183 CL |
2969 | dprintk("nfs: Server returned operation" |
2970 | " %d but we issued a request for %d\n", | |
1da177e4 LT |
2971 | opnum, expected); |
2972 | return -EIO; | |
2973 | } | |
cccddf4f | 2974 | nfserr = be32_to_cpup(p); |
1da177e4 | 2975 | if (nfserr != NFS_OK) |
856dff3d | 2976 | return nfs4_stat_to_errno(nfserr); |
1da177e4 | 2977 | return 0; |
c0eae66e BH |
2978 | out_overflow: |
2979 | print_overflow_msg(__func__, xdr); | |
2980 | return -EIO; | |
1da177e4 LT |
2981 | } |
2982 | ||
2983 | /* Dummy routine */ | |
adfa6f98 | 2984 | static int decode_ace(struct xdr_stream *xdr, void *ace, struct nfs_client *clp) |
1da177e4 | 2985 | { |
8687b63a | 2986 | __be32 *p; |
683b57b4 | 2987 | unsigned int strlen; |
1da177e4 LT |
2988 | char *str; |
2989 | ||
c0eae66e BH |
2990 | p = xdr_inline_decode(xdr, 12); |
2991 | if (likely(p)) | |
2992 | return decode_opaque_inline(xdr, &strlen, &str); | |
2993 | print_overflow_msg(__func__, xdr); | |
2994 | return -EIO; | |
1da177e4 LT |
2995 | } |
2996 | ||
2997 | static int decode_attr_bitmap(struct xdr_stream *xdr, uint32_t *bitmap) | |
2998 | { | |
8687b63a AV |
2999 | uint32_t bmlen; |
3000 | __be32 *p; | |
1da177e4 | 3001 | |
c0eae66e BH |
3002 | p = xdr_inline_decode(xdr, 4); |
3003 | if (unlikely(!p)) | |
3004 | goto out_overflow; | |
cccddf4f | 3005 | bmlen = be32_to_cpup(p); |
1da177e4 | 3006 | |
dae100c2 | 3007 | bitmap[0] = bitmap[1] = bitmap[2] = 0; |
c0eae66e BH |
3008 | p = xdr_inline_decode(xdr, (bmlen << 2)); |
3009 | if (unlikely(!p)) | |
3010 | goto out_overflow; | |
1da177e4 | 3011 | if (bmlen > 0) { |
6f723f77 | 3012 | bitmap[0] = be32_to_cpup(p++); |
dae100c2 FI |
3013 | if (bmlen > 1) { |
3014 | bitmap[1] = be32_to_cpup(p++); | |
3015 | if (bmlen > 2) | |
3016 | bitmap[2] = be32_to_cpup(p); | |
3017 | } | |
1da177e4 LT |
3018 | } |
3019 | return 0; | |
c0eae66e BH |
3020 | out_overflow: |
3021 | print_overflow_msg(__func__, xdr); | |
3022 | return -EIO; | |
1da177e4 LT |
3023 | } |
3024 | ||
8687b63a | 3025 | static inline int decode_attr_length(struct xdr_stream *xdr, uint32_t *attrlen, __be32 **savep) |
1da177e4 | 3026 | { |
8687b63a | 3027 | __be32 *p; |
1da177e4 | 3028 | |
c0eae66e BH |
3029 | p = xdr_inline_decode(xdr, 4); |
3030 | if (unlikely(!p)) | |
3031 | goto out_overflow; | |
cccddf4f | 3032 | *attrlen = be32_to_cpup(p); |
1da177e4 LT |
3033 | *savep = xdr->p; |
3034 | return 0; | |
c0eae66e BH |
3035 | out_overflow: |
3036 | print_overflow_msg(__func__, xdr); | |
3037 | return -EIO; | |
1da177e4 LT |
3038 | } |
3039 | ||
3040 | static int decode_attr_supported(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *bitmask) | |
3041 | { | |
3042 | if (likely(bitmap[0] & FATTR4_WORD0_SUPPORTED_ATTRS)) { | |
3388bff5 RB |
3043 | int ret; |
3044 | ret = decode_attr_bitmap(xdr, bitmask); | |
3045 | if (unlikely(ret < 0)) | |
3046 | return ret; | |
1da177e4 LT |
3047 | bitmap[0] &= ~FATTR4_WORD0_SUPPORTED_ATTRS; |
3048 | } else | |
dae100c2 FI |
3049 | bitmask[0] = bitmask[1] = bitmask[2] = 0; |
3050 | dprintk("%s: bitmask=%08x:%08x:%08x\n", __func__, | |
3051 | bitmask[0], bitmask[1], bitmask[2]); | |
1da177e4 LT |
3052 | return 0; |
3053 | } | |
3054 | ||
3055 | static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *type) | |
3056 | { | |
8687b63a | 3057 | __be32 *p; |
409924e4 | 3058 | int ret = 0; |
1da177e4 LT |
3059 | |
3060 | *type = 0; | |
3061 | if (unlikely(bitmap[0] & (FATTR4_WORD0_TYPE - 1U))) | |
3062 | return -EIO; | |
3063 | if (likely(bitmap[0] & FATTR4_WORD0_TYPE)) { | |
c0eae66e BH |
3064 | p = xdr_inline_decode(xdr, 4); |
3065 | if (unlikely(!p)) | |
3066 | goto out_overflow; | |
cccddf4f | 3067 | *type = be32_to_cpup(p); |
1da177e4 | 3068 | if (*type < NF4REG || *type > NF4NAMEDATTR) { |
3110ff80 | 3069 | dprintk("%s: bad type %d\n", __func__, *type); |
1da177e4 LT |
3070 | return -EIO; |
3071 | } | |
3072 | bitmap[0] &= ~FATTR4_WORD0_TYPE; | |
409924e4 | 3073 | ret = NFS_ATTR_FATTR_TYPE; |
1da177e4 | 3074 | } |
bca79478 | 3075 | dprintk("%s: type=0%o\n", __func__, nfs_type2fmt[*type]); |
409924e4 | 3076 | return ret; |
c0eae66e BH |
3077 | out_overflow: |
3078 | print_overflow_msg(__func__, xdr); | |
3079 | return -EIO; | |
1da177e4 LT |
3080 | } |
3081 | ||
264e6351 CL |
3082 | static int decode_attr_fh_expire_type(struct xdr_stream *xdr, |
3083 | uint32_t *bitmap, uint32_t *type) | |
3084 | { | |
3085 | __be32 *p; | |
3086 | ||
3087 | *type = 0; | |
3088 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FH_EXPIRE_TYPE - 1U))) | |
3089 | return -EIO; | |
3090 | if (likely(bitmap[0] & FATTR4_WORD0_FH_EXPIRE_TYPE)) { | |
3091 | p = xdr_inline_decode(xdr, 4); | |
3092 | if (unlikely(!p)) | |
3093 | goto out_overflow; | |
3094 | *type = be32_to_cpup(p); | |
3095 | bitmap[0] &= ~FATTR4_WORD0_FH_EXPIRE_TYPE; | |
3096 | } | |
3097 | dprintk("%s: expire type=0x%x\n", __func__, *type); | |
3098 | return 0; | |
3099 | out_overflow: | |
3100 | print_overflow_msg(__func__, xdr); | |
3101 | return -EIO; | |
3102 | } | |
3103 | ||
1da177e4 LT |
3104 | static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *change) |
3105 | { | |
8687b63a | 3106 | __be32 *p; |
409924e4 | 3107 | int ret = 0; |
1da177e4 LT |
3108 | |
3109 | *change = 0; | |
3110 | if (unlikely(bitmap[0] & (FATTR4_WORD0_CHANGE - 1U))) | |
3111 | return -EIO; | |
3112 | if (likely(bitmap[0] & FATTR4_WORD0_CHANGE)) { | |
c0eae66e BH |
3113 | p = xdr_inline_decode(xdr, 8); |
3114 | if (unlikely(!p)) | |
3115 | goto out_overflow; | |
cccddf4f | 3116 | xdr_decode_hyper(p, change); |
1da177e4 | 3117 | bitmap[0] &= ~FATTR4_WORD0_CHANGE; |
409924e4 | 3118 | ret = NFS_ATTR_FATTR_CHANGE; |
1da177e4 | 3119 | } |
3110ff80 | 3120 | dprintk("%s: change attribute=%Lu\n", __func__, |
1da177e4 | 3121 | (unsigned long long)*change); |
409924e4 | 3122 | return ret; |
c0eae66e BH |
3123 | out_overflow: |
3124 | print_overflow_msg(__func__, xdr); | |
3125 | return -EIO; | |
1da177e4 LT |
3126 | } |
3127 | ||
3128 | static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *size) | |
3129 | { | |
8687b63a | 3130 | __be32 *p; |
409924e4 | 3131 | int ret = 0; |
1da177e4 LT |
3132 | |
3133 | *size = 0; | |
3134 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SIZE - 1U))) | |
3135 | return -EIO; | |
3136 | if (likely(bitmap[0] & FATTR4_WORD0_SIZE)) { | |
c0eae66e BH |
3137 | p = xdr_inline_decode(xdr, 8); |
3138 | if (unlikely(!p)) | |
3139 | goto out_overflow; | |
cccddf4f | 3140 | xdr_decode_hyper(p, size); |
1da177e4 | 3141 | bitmap[0] &= ~FATTR4_WORD0_SIZE; |
409924e4 | 3142 | ret = NFS_ATTR_FATTR_SIZE; |
1da177e4 | 3143 | } |
3110ff80 | 3144 | dprintk("%s: file size=%Lu\n", __func__, (unsigned long long)*size); |
409924e4 | 3145 | return ret; |
c0eae66e BH |
3146 | out_overflow: |
3147 | print_overflow_msg(__func__, xdr); | |
3148 | return -EIO; | |
1da177e4 LT |
3149 | } |
3150 | ||
3151 | static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3152 | { | |
8687b63a | 3153 | __be32 *p; |
1da177e4 LT |
3154 | |
3155 | *res = 0; | |
3156 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LINK_SUPPORT - 1U))) | |
3157 | return -EIO; | |
3158 | if (likely(bitmap[0] & FATTR4_WORD0_LINK_SUPPORT)) { | |
c0eae66e BH |
3159 | p = xdr_inline_decode(xdr, 4); |
3160 | if (unlikely(!p)) | |
3161 | goto out_overflow; | |
cccddf4f | 3162 | *res = be32_to_cpup(p); |
1da177e4 LT |
3163 | bitmap[0] &= ~FATTR4_WORD0_LINK_SUPPORT; |
3164 | } | |
3110ff80 | 3165 | dprintk("%s: link support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 | 3166 | return 0; |
c0eae66e BH |
3167 | out_overflow: |
3168 | print_overflow_msg(__func__, xdr); | |
3169 | return -EIO; | |
1da177e4 LT |
3170 | } |
3171 | ||
3172 | static int decode_attr_symlink_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3173 | { | |
8687b63a | 3174 | __be32 *p; |
1da177e4 LT |
3175 | |
3176 | *res = 0; | |
3177 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SYMLINK_SUPPORT - 1U))) | |
3178 | return -EIO; | |
3179 | if (likely(bitmap[0] & FATTR4_WORD0_SYMLINK_SUPPORT)) { | |
c0eae66e BH |
3180 | p = xdr_inline_decode(xdr, 4); |
3181 | if (unlikely(!p)) | |
3182 | goto out_overflow; | |
cccddf4f | 3183 | *res = be32_to_cpup(p); |
1da177e4 LT |
3184 | bitmap[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT; |
3185 | } | |
3110ff80 | 3186 | dprintk("%s: symlink support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 | 3187 | return 0; |
c0eae66e BH |
3188 | out_overflow: |
3189 | print_overflow_msg(__func__, xdr); | |
3190 | return -EIO; | |
1da177e4 LT |
3191 | } |
3192 | ||
8b4bdcf8 | 3193 | static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fsid *fsid) |
1da177e4 | 3194 | { |
8687b63a | 3195 | __be32 *p; |
409924e4 | 3196 | int ret = 0; |
1da177e4 LT |
3197 | |
3198 | fsid->major = 0; | |
3199 | fsid->minor = 0; | |
3200 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FSID - 1U))) | |
3201 | return -EIO; | |
3202 | if (likely(bitmap[0] & FATTR4_WORD0_FSID)) { | |
c0eae66e BH |
3203 | p = xdr_inline_decode(xdr, 16); |
3204 | if (unlikely(!p)) | |
3205 | goto out_overflow; | |
3ceb4dbb | 3206 | p = xdr_decode_hyper(p, &fsid->major); |
cccddf4f | 3207 | xdr_decode_hyper(p, &fsid->minor); |
1da177e4 | 3208 | bitmap[0] &= ~FATTR4_WORD0_FSID; |
409924e4 | 3209 | ret = NFS_ATTR_FATTR_FSID; |
1da177e4 | 3210 | } |
3110ff80 | 3211 | dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __func__, |
1da177e4 LT |
3212 | (unsigned long long)fsid->major, |
3213 | (unsigned long long)fsid->minor); | |
409924e4 | 3214 | return ret; |
c0eae66e BH |
3215 | out_overflow: |
3216 | print_overflow_msg(__func__, xdr); | |
3217 | return -EIO; | |
1da177e4 LT |
3218 | } |
3219 | ||
3220 | static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3221 | { | |
8687b63a | 3222 | __be32 *p; |
1da177e4 LT |
3223 | |
3224 | *res = 60; | |
3225 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LEASE_TIME - 1U))) | |
3226 | return -EIO; | |
3227 | if (likely(bitmap[0] & FATTR4_WORD0_LEASE_TIME)) { | |
c0eae66e BH |
3228 | p = xdr_inline_decode(xdr, 4); |
3229 | if (unlikely(!p)) | |
3230 | goto out_overflow; | |
cccddf4f | 3231 | *res = be32_to_cpup(p); |
1da177e4 LT |
3232 | bitmap[0] &= ~FATTR4_WORD0_LEASE_TIME; |
3233 | } | |
3110ff80 | 3234 | dprintk("%s: file size=%u\n", __func__, (unsigned int)*res); |
1da177e4 | 3235 | return 0; |
c0eae66e BH |
3236 | out_overflow: |
3237 | print_overflow_msg(__func__, xdr); | |
3238 | return -EIO; | |
1da177e4 LT |
3239 | } |
3240 | ||
ee7b75fc | 3241 | static int decode_attr_error(struct xdr_stream *xdr, uint32_t *bitmap, int32_t *res) |
ae42c70a BS |
3242 | { |
3243 | __be32 *p; | |
3244 | ||
3245 | if (unlikely(bitmap[0] & (FATTR4_WORD0_RDATTR_ERROR - 1U))) | |
3246 | return -EIO; | |
3247 | if (likely(bitmap[0] & FATTR4_WORD0_RDATTR_ERROR)) { | |
3248 | p = xdr_inline_decode(xdr, 4); | |
3249 | if (unlikely(!p)) | |
3250 | goto out_overflow; | |
3251 | bitmap[0] &= ~FATTR4_WORD0_RDATTR_ERROR; | |
ee7b75fc | 3252 | *res = -be32_to_cpup(p); |
ae42c70a BS |
3253 | } |
3254 | return 0; | |
3255 | out_overflow: | |
3256 | print_overflow_msg(__func__, xdr); | |
3257 | return -EIO; | |
3258 | } | |
3259 | ||
3260 | static int decode_attr_filehandle(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fh *fh) | |
3261 | { | |
3262 | __be32 *p; | |
3263 | int len; | |
3264 | ||
7ad07353 TM |
3265 | if (fh != NULL) |
3266 | memset(fh, 0, sizeof(*fh)); | |
ae42c70a BS |
3267 | |
3268 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEHANDLE - 1U))) | |
3269 | return -EIO; | |
3270 | if (likely(bitmap[0] & FATTR4_WORD0_FILEHANDLE)) { | |
3271 | p = xdr_inline_decode(xdr, 4); | |
3272 | if (unlikely(!p)) | |
3273 | goto out_overflow; | |
3274 | len = be32_to_cpup(p); | |
3275 | if (len > NFS4_FHSIZE) | |
3276 | return -EIO; | |
ae42c70a BS |
3277 | p = xdr_inline_decode(xdr, len); |
3278 | if (unlikely(!p)) | |
3279 | goto out_overflow; | |
7ad07353 TM |
3280 | if (fh != NULL) { |
3281 | memcpy(fh->data, p, len); | |
3282 | fh->size = len; | |
3283 | } | |
ae42c70a BS |
3284 | bitmap[0] &= ~FATTR4_WORD0_FILEHANDLE; |
3285 | } | |
3286 | return 0; | |
3287 | out_overflow: | |
3288 | print_overflow_msg(__func__, xdr); | |
3289 | return -EIO; | |
3290 | } | |
3291 | ||
1da177e4 LT |
3292 | static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) |
3293 | { | |
8687b63a | 3294 | __be32 *p; |
1da177e4 LT |
3295 | |
3296 | *res = ACL4_SUPPORT_ALLOW_ACL|ACL4_SUPPORT_DENY_ACL; | |
3297 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACLSUPPORT - 1U))) | |
3298 | return -EIO; | |
3299 | if (likely(bitmap[0] & FATTR4_WORD0_ACLSUPPORT)) { | |
c0eae66e BH |
3300 | p = xdr_inline_decode(xdr, 4); |
3301 | if (unlikely(!p)) | |
3302 | goto out_overflow; | |
cccddf4f | 3303 | *res = be32_to_cpup(p); |
1da177e4 LT |
3304 | bitmap[0] &= ~FATTR4_WORD0_ACLSUPPORT; |
3305 | } | |
3110ff80 | 3306 | dprintk("%s: ACLs supported=%u\n", __func__, (unsigned int)*res); |
1da177e4 | 3307 | return 0; |
c0eae66e BH |
3308 | out_overflow: |
3309 | print_overflow_msg(__func__, xdr); | |
3310 | return -EIO; | |
1da177e4 LT |
3311 | } |
3312 | ||
3313 | static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) | |
3314 | { | |
8687b63a | 3315 | __be32 *p; |
409924e4 | 3316 | int ret = 0; |
1da177e4 LT |
3317 | |
3318 | *fileid = 0; | |
3319 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEID - 1U))) | |
3320 | return -EIO; | |
3321 | if (likely(bitmap[0] & FATTR4_WORD0_FILEID)) { | |
c0eae66e BH |
3322 | p = xdr_inline_decode(xdr, 8); |
3323 | if (unlikely(!p)) | |
3324 | goto out_overflow; | |
cccddf4f | 3325 | xdr_decode_hyper(p, fileid); |
1da177e4 | 3326 | bitmap[0] &= ~FATTR4_WORD0_FILEID; |
409924e4 | 3327 | ret = NFS_ATTR_FATTR_FILEID; |
1da177e4 | 3328 | } |
3110ff80 | 3329 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
409924e4 | 3330 | return ret; |
c0eae66e BH |
3331 | out_overflow: |
3332 | print_overflow_msg(__func__, xdr); | |
3333 | return -EIO; | |
1da177e4 LT |
3334 | } |
3335 | ||
99baf625 MN |
3336 | static int decode_attr_mounted_on_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) |
3337 | { | |
8687b63a | 3338 | __be32 *p; |
409924e4 | 3339 | int ret = 0; |
99baf625 MN |
3340 | |
3341 | *fileid = 0; | |
3342 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MOUNTED_ON_FILEID - 1U))) | |
3343 | return -EIO; | |
3344 | if (likely(bitmap[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) { | |
c0eae66e BH |
3345 | p = xdr_inline_decode(xdr, 8); |
3346 | if (unlikely(!p)) | |
3347 | goto out_overflow; | |
cccddf4f | 3348 | xdr_decode_hyper(p, fileid); |
99baf625 | 3349 | bitmap[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID; |
28331a46 | 3350 | ret = NFS_ATTR_FATTR_MOUNTED_ON_FILEID; |
99baf625 | 3351 | } |
3110ff80 | 3352 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
409924e4 | 3353 | return ret; |
c0eae66e BH |
3354 | out_overflow: |
3355 | print_overflow_msg(__func__, xdr); | |
3356 | return -EIO; | |
99baf625 MN |
3357 | } |
3358 | ||
1da177e4 LT |
3359 | static int decode_attr_files_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
3360 | { | |
8687b63a | 3361 | __be32 *p; |
1da177e4 LT |
3362 | int status = 0; |
3363 | ||
3364 | *res = 0; | |
3365 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_AVAIL - 1U))) | |
3366 | return -EIO; | |
3367 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_AVAIL)) { | |
c0eae66e BH |
3368 | p = xdr_inline_decode(xdr, 8); |
3369 | if (unlikely(!p)) | |
3370 | goto out_overflow; | |
cccddf4f | 3371 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3372 | bitmap[0] &= ~FATTR4_WORD0_FILES_AVAIL; |
3373 | } | |
3110ff80 | 3374 | dprintk("%s: files avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3375 | return status; |
c0eae66e BH |
3376 | out_overflow: |
3377 | print_overflow_msg(__func__, xdr); | |
3378 | return -EIO; | |
1da177e4 LT |
3379 | } |
3380 | ||
3381 | static int decode_attr_files_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3382 | { | |
8687b63a | 3383 | __be32 *p; |
1da177e4 LT |
3384 | int status = 0; |
3385 | ||
3386 | *res = 0; | |
3387 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_FREE - 1U))) | |
3388 | return -EIO; | |
3389 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_FREE)) { | |
c0eae66e BH |
3390 | p = xdr_inline_decode(xdr, 8); |
3391 | if (unlikely(!p)) | |
3392 | goto out_overflow; | |
cccddf4f | 3393 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3394 | bitmap[0] &= ~FATTR4_WORD0_FILES_FREE; |
3395 | } | |
3110ff80 | 3396 | dprintk("%s: files free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3397 | return status; |
c0eae66e BH |
3398 | out_overflow: |
3399 | print_overflow_msg(__func__, xdr); | |
3400 | return -EIO; | |
1da177e4 LT |
3401 | } |
3402 | ||
3403 | static int decode_attr_files_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3404 | { | |
8687b63a | 3405 | __be32 *p; |
1da177e4 LT |
3406 | int status = 0; |
3407 | ||
3408 | *res = 0; | |
3409 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_TOTAL - 1U))) | |
3410 | return -EIO; | |
3411 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_TOTAL)) { | |
c0eae66e BH |
3412 | p = xdr_inline_decode(xdr, 8); |
3413 | if (unlikely(!p)) | |
3414 | goto out_overflow; | |
cccddf4f | 3415 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3416 | bitmap[0] &= ~FATTR4_WORD0_FILES_TOTAL; |
3417 | } | |
3110ff80 | 3418 | dprintk("%s: files total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3419 | return status; |
c0eae66e BH |
3420 | out_overflow: |
3421 | print_overflow_msg(__func__, xdr); | |
3422 | return -EIO; | |
1da177e4 LT |
3423 | } |
3424 | ||
7aaa0b3b MN |
3425 | static int decode_pathname(struct xdr_stream *xdr, struct nfs4_pathname *path) |
3426 | { | |
464ad6b1 | 3427 | u32 n; |
8687b63a | 3428 | __be32 *p; |
7aaa0b3b MN |
3429 | int status = 0; |
3430 | ||
c0eae66e BH |
3431 | p = xdr_inline_decode(xdr, 4); |
3432 | if (unlikely(!p)) | |
3433 | goto out_overflow; | |
cccddf4f | 3434 | n = be32_to_cpup(p); |
33a43f28 AA |
3435 | if (n == 0) |
3436 | goto root_path; | |
02a2976c | 3437 | dprintk("pathname4: "); |
7aaa0b3b MN |
3438 | path->ncomponents = 0; |
3439 | while (path->ncomponents < n) { | |
3440 | struct nfs4_string *component = &path->components[path->ncomponents]; | |
3441 | status = decode_opaque_inline(xdr, &component->len, &component->data); | |
3442 | if (unlikely(status != 0)) | |
3443 | goto out_eio; | |
95a13f7b | 3444 | ifdebug (XDR) |
02a2976c CL |
3445 | pr_cont("%s%.*s ", |
3446 | (path->ncomponents != n ? "/ " : ""), | |
3447 | component->len, component->data); | |
7aaa0b3b MN |
3448 | if (path->ncomponents < NFS4_PATHNAME_MAXCOMPONENTS) |
3449 | path->ncomponents++; | |
3450 | else { | |
3451 | dprintk("cannot parse %d components in path\n", n); | |
3452 | goto out_eio; | |
3453 | } | |
3454 | } | |
3455 | out: | |
7aaa0b3b | 3456 | return status; |
33a43f28 AA |
3457 | root_path: |
3458 | /* a root pathname is sent as a zero component4 */ | |
3459 | path->ncomponents = 1; | |
3460 | path->components[0].len=0; | |
3461 | path->components[0].data=NULL; | |
02a2976c | 3462 | dprintk("pathname4: /\n"); |
33a43f28 | 3463 | goto out; |
7aaa0b3b MN |
3464 | out_eio: |
3465 | dprintk(" status %d", status); | |
3466 | status = -EIO; | |
3467 | goto out; | |
c0eae66e BH |
3468 | out_overflow: |
3469 | print_overflow_msg(__func__, xdr); | |
3470 | return -EIO; | |
7aaa0b3b MN |
3471 | } |
3472 | ||
3473 | static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_fs_locations *res) | |
683b57b4 TM |
3474 | { |
3475 | int n; | |
8687b63a | 3476 | __be32 *p; |
683b57b4 TM |
3477 | int status = -EIO; |
3478 | ||
3479 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FS_LOCATIONS -1U))) | |
3480 | goto out; | |
3481 | status = 0; | |
3482 | if (unlikely(!(bitmap[0] & FATTR4_WORD0_FS_LOCATIONS))) | |
3483 | goto out; | |
8b7e3f49 TM |
3484 | status = -EIO; |
3485 | /* Ignore borken servers that return unrequested attrs */ | |
3486 | if (unlikely(res == NULL)) | |
3487 | goto out; | |
02a2976c | 3488 | dprintk("%s: fsroot:\n", __func__); |
7aaa0b3b | 3489 | status = decode_pathname(xdr, &res->fs_path); |
683b57b4 TM |
3490 | if (unlikely(status != 0)) |
3491 | goto out; | |
c0eae66e BH |
3492 | p = xdr_inline_decode(xdr, 4); |
3493 | if (unlikely(!p)) | |
3494 | goto out_overflow; | |
cccddf4f | 3495 | n = be32_to_cpup(p); |
683b57b4 TM |
3496 | if (n <= 0) |
3497 | goto out_eio; | |
3498 | res->nlocations = 0; | |
3499 | while (res->nlocations < n) { | |
464ad6b1 | 3500 | u32 m; |
7aaa0b3b | 3501 | struct nfs4_fs_location *loc = &res->locations[res->nlocations]; |
683b57b4 | 3502 | |
c0eae66e BH |
3503 | p = xdr_inline_decode(xdr, 4); |
3504 | if (unlikely(!p)) | |
3505 | goto out_overflow; | |
cccddf4f | 3506 | m = be32_to_cpup(p); |
7aaa0b3b MN |
3507 | |
3508 | loc->nservers = 0; | |
02a2976c | 3509 | dprintk("%s: servers:\n", __func__); |
7aaa0b3b MN |
3510 | while (loc->nservers < m) { |
3511 | struct nfs4_string *server = &loc->servers[loc->nservers]; | |
3512 | status = decode_opaque_inline(xdr, &server->len, &server->data); | |
3513 | if (unlikely(status != 0)) | |
3514 | goto out_eio; | |
3515 | dprintk("%s ", server->data); | |
3516 | if (loc->nservers < NFS4_FS_LOCATION_MAXSERVERS) | |
3517 | loc->nservers++; | |
3518 | else { | |
464ad6b1 CL |
3519 | unsigned int i; |
3520 | dprintk("%s: using first %u of %u servers " | |
3521 | "returned for location %u\n", | |
3110ff80 | 3522 | __func__, |
464ad6b1 CL |
3523 | NFS4_FS_LOCATION_MAXSERVERS, |
3524 | m, res->nlocations); | |
7aaa0b3b | 3525 | for (i = loc->nservers; i < m; i++) { |
2e42c3e2 | 3526 | unsigned int len; |
7aaa0b3b MN |
3527 | char *data; |
3528 | status = decode_opaque_inline(xdr, &len, &data); | |
3529 | if (unlikely(status != 0)) | |
3530 | goto out_eio; | |
3531 | } | |
3532 | } | |
3533 | } | |
3534 | status = decode_pathname(xdr, &loc->rootpath); | |
683b57b4 TM |
3535 | if (unlikely(status != 0)) |
3536 | goto out_eio; | |
7aaa0b3b | 3537 | if (res->nlocations < NFS4_FS_LOCATIONS_MAXENTRIES) |
683b57b4 TM |
3538 | res->nlocations++; |
3539 | } | |
409924e4 | 3540 | if (res->nlocations != 0) |
81934ddb | 3541 | status = NFS_ATTR_FATTR_V4_LOCATIONS; |
683b57b4 | 3542 | out: |
3110ff80 | 3543 | dprintk("%s: fs_locations done, error = %d\n", __func__, status); |
683b57b4 | 3544 | return status; |
c0eae66e BH |
3545 | out_overflow: |
3546 | print_overflow_msg(__func__, xdr); | |
683b57b4 TM |
3547 | out_eio: |
3548 | status = -EIO; | |
3549 | goto out; | |
3550 | } | |
3551 | ||
1da177e4 LT |
3552 | static int decode_attr_maxfilesize(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
3553 | { | |
8687b63a | 3554 | __be32 *p; |
1da177e4 LT |
3555 | int status = 0; |
3556 | ||
3557 | *res = 0; | |
3558 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXFILESIZE - 1U))) | |
3559 | return -EIO; | |
3560 | if (likely(bitmap[0] & FATTR4_WORD0_MAXFILESIZE)) { | |
c0eae66e BH |
3561 | p = xdr_inline_decode(xdr, 8); |
3562 | if (unlikely(!p)) | |
3563 | goto out_overflow; | |
cccddf4f | 3564 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3565 | bitmap[0] &= ~FATTR4_WORD0_MAXFILESIZE; |
3566 | } | |
3110ff80 | 3567 | dprintk("%s: maxfilesize=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3568 | return status; |
c0eae66e BH |
3569 | out_overflow: |
3570 | print_overflow_msg(__func__, xdr); | |
3571 | return -EIO; | |
1da177e4 LT |
3572 | } |
3573 | ||
3574 | static int decode_attr_maxlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxlink) | |
3575 | { | |
8687b63a | 3576 | __be32 *p; |
1da177e4 LT |
3577 | int status = 0; |
3578 | ||
3579 | *maxlink = 1; | |
3580 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXLINK - 1U))) | |
3581 | return -EIO; | |
3582 | if (likely(bitmap[0] & FATTR4_WORD0_MAXLINK)) { | |
c0eae66e BH |
3583 | p = xdr_inline_decode(xdr, 4); |
3584 | if (unlikely(!p)) | |
3585 | goto out_overflow; | |
cccddf4f | 3586 | *maxlink = be32_to_cpup(p); |
1da177e4 LT |
3587 | bitmap[0] &= ~FATTR4_WORD0_MAXLINK; |
3588 | } | |
3110ff80 | 3589 | dprintk("%s: maxlink=%u\n", __func__, *maxlink); |
1da177e4 | 3590 | return status; |
c0eae66e BH |
3591 | out_overflow: |
3592 | print_overflow_msg(__func__, xdr); | |
3593 | return -EIO; | |
1da177e4 LT |
3594 | } |
3595 | ||
3596 | static int decode_attr_maxname(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxname) | |
3597 | { | |
8687b63a | 3598 | __be32 *p; |
1da177e4 LT |
3599 | int status = 0; |
3600 | ||
3601 | *maxname = 1024; | |
3602 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXNAME - 1U))) | |
3603 | return -EIO; | |
3604 | if (likely(bitmap[0] & FATTR4_WORD0_MAXNAME)) { | |
c0eae66e BH |
3605 | p = xdr_inline_decode(xdr, 4); |
3606 | if (unlikely(!p)) | |
3607 | goto out_overflow; | |
cccddf4f | 3608 | *maxname = be32_to_cpup(p); |
1da177e4 LT |
3609 | bitmap[0] &= ~FATTR4_WORD0_MAXNAME; |
3610 | } | |
3110ff80 | 3611 | dprintk("%s: maxname=%u\n", __func__, *maxname); |
1da177e4 | 3612 | return status; |
c0eae66e BH |
3613 | out_overflow: |
3614 | print_overflow_msg(__func__, xdr); | |
3615 | return -EIO; | |
1da177e4 LT |
3616 | } |
3617 | ||
3618 | static int decode_attr_maxread(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3619 | { | |
8687b63a | 3620 | __be32 *p; |
1da177e4 LT |
3621 | int status = 0; |
3622 | ||
3623 | *res = 1024; | |
3624 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXREAD - 1U))) | |
3625 | return -EIO; | |
3626 | if (likely(bitmap[0] & FATTR4_WORD0_MAXREAD)) { | |
3627 | uint64_t maxread; | |
c0eae66e BH |
3628 | p = xdr_inline_decode(xdr, 8); |
3629 | if (unlikely(!p)) | |
3630 | goto out_overflow; | |
cccddf4f | 3631 | xdr_decode_hyper(p, &maxread); |
1da177e4 LT |
3632 | if (maxread > 0x7FFFFFFF) |
3633 | maxread = 0x7FFFFFFF; | |
3634 | *res = (uint32_t)maxread; | |
3635 | bitmap[0] &= ~FATTR4_WORD0_MAXREAD; | |
3636 | } | |
3110ff80 | 3637 | dprintk("%s: maxread=%lu\n", __func__, (unsigned long)*res); |
1da177e4 | 3638 | return status; |
c0eae66e BH |
3639 | out_overflow: |
3640 | print_overflow_msg(__func__, xdr); | |
3641 | return -EIO; | |
1da177e4 LT |
3642 | } |
3643 | ||
3644 | static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3645 | { | |
8687b63a | 3646 | __be32 *p; |
1da177e4 LT |
3647 | int status = 0; |
3648 | ||
3649 | *res = 1024; | |
3650 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXWRITE - 1U))) | |
3651 | return -EIO; | |
3652 | if (likely(bitmap[0] & FATTR4_WORD0_MAXWRITE)) { | |
3653 | uint64_t maxwrite; | |
c0eae66e BH |
3654 | p = xdr_inline_decode(xdr, 8); |
3655 | if (unlikely(!p)) | |
3656 | goto out_overflow; | |
cccddf4f | 3657 | xdr_decode_hyper(p, &maxwrite); |
1da177e4 LT |
3658 | if (maxwrite > 0x7FFFFFFF) |
3659 | maxwrite = 0x7FFFFFFF; | |
3660 | *res = (uint32_t)maxwrite; | |
3661 | bitmap[0] &= ~FATTR4_WORD0_MAXWRITE; | |
3662 | } | |
3110ff80 | 3663 | dprintk("%s: maxwrite=%lu\n", __func__, (unsigned long)*res); |
1da177e4 | 3664 | return status; |
c0eae66e BH |
3665 | out_overflow: |
3666 | print_overflow_msg(__func__, xdr); | |
3667 | return -EIO; | |
1da177e4 LT |
3668 | } |
3669 | ||
bca79478 | 3670 | static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, umode_t *mode) |
1da177e4 | 3671 | { |
bca79478 | 3672 | uint32_t tmp; |
8687b63a | 3673 | __be32 *p; |
409924e4 | 3674 | int ret = 0; |
1da177e4 LT |
3675 | |
3676 | *mode = 0; | |
3677 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MODE - 1U))) | |
3678 | return -EIO; | |
3679 | if (likely(bitmap[1] & FATTR4_WORD1_MODE)) { | |
c0eae66e BH |
3680 | p = xdr_inline_decode(xdr, 4); |
3681 | if (unlikely(!p)) | |
3682 | goto out_overflow; | |
cccddf4f | 3683 | tmp = be32_to_cpup(p); |
bca79478 | 3684 | *mode = tmp & ~S_IFMT; |
1da177e4 | 3685 | bitmap[1] &= ~FATTR4_WORD1_MODE; |
409924e4 | 3686 | ret = NFS_ATTR_FATTR_MODE; |
1da177e4 | 3687 | } |
3110ff80 | 3688 | dprintk("%s: file mode=0%o\n", __func__, (unsigned int)*mode); |
409924e4 | 3689 | return ret; |
c0eae66e BH |
3690 | out_overflow: |
3691 | print_overflow_msg(__func__, xdr); | |
3692 | return -EIO; | |
1da177e4 LT |
3693 | } |
3694 | ||
3695 | static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *nlink) | |
3696 | { | |
8687b63a | 3697 | __be32 *p; |
409924e4 | 3698 | int ret = 0; |
1da177e4 LT |
3699 | |
3700 | *nlink = 1; | |
3701 | if (unlikely(bitmap[1] & (FATTR4_WORD1_NUMLINKS - 1U))) | |
3702 | return -EIO; | |
3703 | if (likely(bitmap[1] & FATTR4_WORD1_NUMLINKS)) { | |
c0eae66e BH |
3704 | p = xdr_inline_decode(xdr, 4); |
3705 | if (unlikely(!p)) | |
3706 | goto out_overflow; | |
cccddf4f | 3707 | *nlink = be32_to_cpup(p); |
1da177e4 | 3708 | bitmap[1] &= ~FATTR4_WORD1_NUMLINKS; |
409924e4 | 3709 | ret = NFS_ATTR_FATTR_NLINK; |
1da177e4 | 3710 | } |
3110ff80 | 3711 | dprintk("%s: nlink=%u\n", __func__, (unsigned int)*nlink); |
409924e4 | 3712 | return ret; |
c0eae66e BH |
3713 | out_overflow: |
3714 | print_overflow_msg(__func__, xdr); | |
3715 | return -EIO; | |
1da177e4 LT |
3716 | } |
3717 | ||
80e52ace | 3718 | static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, |
6926afd1 TM |
3719 | const struct nfs_server *server, uint32_t *uid, |
3720 | struct nfs4_string *owner_name) | |
1da177e4 | 3721 | { |
8687b63a AV |
3722 | uint32_t len; |
3723 | __be32 *p; | |
409924e4 | 3724 | int ret = 0; |
1da177e4 LT |
3725 | |
3726 | *uid = -2; | |
3727 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER - 1U))) | |
3728 | return -EIO; | |
3729 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER)) { | |
c0eae66e BH |
3730 | p = xdr_inline_decode(xdr, 4); |
3731 | if (unlikely(!p)) | |
3732 | goto out_overflow; | |
cccddf4f | 3733 | len = be32_to_cpup(p); |
c0eae66e BH |
3734 | p = xdr_inline_decode(xdr, len); |
3735 | if (unlikely(!p)) | |
3736 | goto out_overflow; | |
6926afd1 TM |
3737 | if (owner_name != NULL) { |
3738 | owner_name->data = kmemdup(p, len, GFP_NOWAIT); | |
3739 | if (owner_name->data != NULL) { | |
3740 | owner_name->len = len; | |
3741 | ret = NFS_ATTR_FATTR_OWNER_NAME; | |
3742 | } | |
80e52ace | 3743 | } else if (len < XDR_MAX_NETOBJ) { |
e4fd72a1 | 3744 | if (nfs_map_name_to_uid(server, (char *)p, len, uid) == 0) |
409924e4 TM |
3745 | ret = NFS_ATTR_FATTR_OWNER; |
3746 | else | |
1da177e4 | 3747 | dprintk("%s: nfs_map_name_to_uid failed!\n", |
3110ff80 | 3748 | __func__); |
1da177e4 | 3749 | } else |
fe82a183 | 3750 | dprintk("%s: name too long (%u)!\n", |
3110ff80 | 3751 | __func__, len); |
1da177e4 LT |
3752 | bitmap[1] &= ~FATTR4_WORD1_OWNER; |
3753 | } | |
3110ff80 | 3754 | dprintk("%s: uid=%d\n", __func__, (int)*uid); |
409924e4 | 3755 | return ret; |
c0eae66e BH |
3756 | out_overflow: |
3757 | print_overflow_msg(__func__, xdr); | |
3758 | return -EIO; | |
1da177e4 LT |
3759 | } |
3760 | ||
80e52ace | 3761 | static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, |
6926afd1 TM |
3762 | const struct nfs_server *server, uint32_t *gid, |
3763 | struct nfs4_string *group_name) | |
1da177e4 | 3764 | { |
8687b63a AV |
3765 | uint32_t len; |
3766 | __be32 *p; | |
409924e4 | 3767 | int ret = 0; |
1da177e4 LT |
3768 | |
3769 | *gid = -2; | |
3770 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER_GROUP - 1U))) | |
3771 | return -EIO; | |
3772 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER_GROUP)) { | |
c0eae66e BH |
3773 | p = xdr_inline_decode(xdr, 4); |
3774 | if (unlikely(!p)) | |
3775 | goto out_overflow; | |
cccddf4f | 3776 | len = be32_to_cpup(p); |
c0eae66e BH |
3777 | p = xdr_inline_decode(xdr, len); |
3778 | if (unlikely(!p)) | |
3779 | goto out_overflow; | |
6926afd1 TM |
3780 | if (group_name != NULL) { |
3781 | group_name->data = kmemdup(p, len, GFP_NOWAIT); | |
3782 | if (group_name->data != NULL) { | |
3783 | group_name->len = len; | |
3784 | ret = NFS_ATTR_FATTR_GROUP_NAME; | |
3785 | } | |
80e52ace | 3786 | } else if (len < XDR_MAX_NETOBJ) { |
e4fd72a1 | 3787 | if (nfs_map_group_to_gid(server, (char *)p, len, gid) == 0) |
409924e4 TM |
3788 | ret = NFS_ATTR_FATTR_GROUP; |
3789 | else | |
1da177e4 | 3790 | dprintk("%s: nfs_map_group_to_gid failed!\n", |
3110ff80 | 3791 | __func__); |
1da177e4 | 3792 | } else |
fe82a183 | 3793 | dprintk("%s: name too long (%u)!\n", |
3110ff80 | 3794 | __func__, len); |
1da177e4 LT |
3795 | bitmap[1] &= ~FATTR4_WORD1_OWNER_GROUP; |
3796 | } | |
3110ff80 | 3797 | dprintk("%s: gid=%d\n", __func__, (int)*gid); |
409924e4 | 3798 | return ret; |
c0eae66e BH |
3799 | out_overflow: |
3800 | print_overflow_msg(__func__, xdr); | |
3801 | return -EIO; | |
1da177e4 LT |
3802 | } |
3803 | ||
3804 | static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rdev) | |
3805 | { | |
8687b63a AV |
3806 | uint32_t major = 0, minor = 0; |
3807 | __be32 *p; | |
409924e4 | 3808 | int ret = 0; |
1da177e4 LT |
3809 | |
3810 | *rdev = MKDEV(0,0); | |
3811 | if (unlikely(bitmap[1] & (FATTR4_WORD1_RAWDEV - 1U))) | |
3812 | return -EIO; | |
3813 | if (likely(bitmap[1] & FATTR4_WORD1_RAWDEV)) { | |
3814 | dev_t tmp; | |
3815 | ||
c0eae66e BH |
3816 | p = xdr_inline_decode(xdr, 8); |
3817 | if (unlikely(!p)) | |
3818 | goto out_overflow; | |
6f723f77 | 3819 | major = be32_to_cpup(p++); |
cccddf4f | 3820 | minor = be32_to_cpup(p); |
1da177e4 LT |
3821 | tmp = MKDEV(major, minor); |
3822 | if (MAJOR(tmp) == major && MINOR(tmp) == minor) | |
3823 | *rdev = tmp; | |
3824 | bitmap[1] &= ~ FATTR4_WORD1_RAWDEV; | |
409924e4 | 3825 | ret = NFS_ATTR_FATTR_RDEV; |
1da177e4 | 3826 | } |
3110ff80 | 3827 | dprintk("%s: rdev=(0x%x:0x%x)\n", __func__, major, minor); |
409924e4 | 3828 | return ret; |
c0eae66e BH |
3829 | out_overflow: |
3830 | print_overflow_msg(__func__, xdr); | |
3831 | return -EIO; | |
1da177e4 LT |
3832 | } |
3833 | ||
3834 | static int decode_attr_space_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3835 | { | |
8687b63a | 3836 | __be32 *p; |
1da177e4 LT |
3837 | int status = 0; |
3838 | ||
3839 | *res = 0; | |
3840 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_AVAIL - 1U))) | |
3841 | return -EIO; | |
3842 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_AVAIL)) { | |
c0eae66e BH |
3843 | p = xdr_inline_decode(xdr, 8); |
3844 | if (unlikely(!p)) | |
3845 | goto out_overflow; | |
cccddf4f | 3846 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3847 | bitmap[1] &= ~FATTR4_WORD1_SPACE_AVAIL; |
3848 | } | |
3110ff80 | 3849 | dprintk("%s: space avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3850 | return status; |
c0eae66e BH |
3851 | out_overflow: |
3852 | print_overflow_msg(__func__, xdr); | |
3853 | return -EIO; | |
1da177e4 LT |
3854 | } |
3855 | ||
3856 | static int decode_attr_space_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3857 | { | |
8687b63a | 3858 | __be32 *p; |
1da177e4 LT |
3859 | int status = 0; |
3860 | ||
3861 | *res = 0; | |
3862 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_FREE - 1U))) | |
3863 | return -EIO; | |
3864 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_FREE)) { | |
c0eae66e BH |
3865 | p = xdr_inline_decode(xdr, 8); |
3866 | if (unlikely(!p)) | |
3867 | goto out_overflow; | |
cccddf4f | 3868 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3869 | bitmap[1] &= ~FATTR4_WORD1_SPACE_FREE; |
3870 | } | |
3110ff80 | 3871 | dprintk("%s: space free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3872 | return status; |
c0eae66e BH |
3873 | out_overflow: |
3874 | print_overflow_msg(__func__, xdr); | |
3875 | return -EIO; | |
1da177e4 LT |
3876 | } |
3877 | ||
3878 | static int decode_attr_space_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3879 | { | |
8687b63a | 3880 | __be32 *p; |
1da177e4 LT |
3881 | int status = 0; |
3882 | ||
3883 | *res = 0; | |
3884 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_TOTAL - 1U))) | |
3885 | return -EIO; | |
3886 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_TOTAL)) { | |
c0eae66e BH |
3887 | p = xdr_inline_decode(xdr, 8); |
3888 | if (unlikely(!p)) | |
3889 | goto out_overflow; | |
cccddf4f | 3890 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3891 | bitmap[1] &= ~FATTR4_WORD1_SPACE_TOTAL; |
3892 | } | |
3110ff80 | 3893 | dprintk("%s: space total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3894 | return status; |
c0eae66e BH |
3895 | out_overflow: |
3896 | print_overflow_msg(__func__, xdr); | |
3897 | return -EIO; | |
1da177e4 LT |
3898 | } |
3899 | ||
3900 | static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *used) | |
3901 | { | |
8687b63a | 3902 | __be32 *p; |
409924e4 | 3903 | int ret = 0; |
1da177e4 LT |
3904 | |
3905 | *used = 0; | |
3906 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_USED - 1U))) | |
3907 | return -EIO; | |
3908 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_USED)) { | |
c0eae66e BH |
3909 | p = xdr_inline_decode(xdr, 8); |
3910 | if (unlikely(!p)) | |
3911 | goto out_overflow; | |
cccddf4f | 3912 | xdr_decode_hyper(p, used); |
1da177e4 | 3913 | bitmap[1] &= ~FATTR4_WORD1_SPACE_USED; |
409924e4 | 3914 | ret = NFS_ATTR_FATTR_SPACE_USED; |
1da177e4 | 3915 | } |
3110ff80 | 3916 | dprintk("%s: space used=%Lu\n", __func__, |
1da177e4 | 3917 | (unsigned long long)*used); |
409924e4 | 3918 | return ret; |
c0eae66e BH |
3919 | out_overflow: |
3920 | print_overflow_msg(__func__, xdr); | |
3921 | return -EIO; | |
1da177e4 LT |
3922 | } |
3923 | ||
3924 | static int decode_attr_time(struct xdr_stream *xdr, struct timespec *time) | |
3925 | { | |
8687b63a | 3926 | __be32 *p; |
1da177e4 LT |
3927 | uint64_t sec; |
3928 | uint32_t nsec; | |
3929 | ||
c0eae66e BH |
3930 | p = xdr_inline_decode(xdr, 12); |
3931 | if (unlikely(!p)) | |
3932 | goto out_overflow; | |
3ceb4dbb | 3933 | p = xdr_decode_hyper(p, &sec); |
cccddf4f | 3934 | nsec = be32_to_cpup(p); |
1da177e4 LT |
3935 | time->tv_sec = (time_t)sec; |
3936 | time->tv_nsec = (long)nsec; | |
3937 | return 0; | |
c0eae66e BH |
3938 | out_overflow: |
3939 | print_overflow_msg(__func__, xdr); | |
3940 | return -EIO; | |
1da177e4 LT |
3941 | } |
3942 | ||
3943 | static int decode_attr_time_access(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
3944 | { | |
3945 | int status = 0; | |
3946 | ||
3947 | time->tv_sec = 0; | |
3948 | time->tv_nsec = 0; | |
3949 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_ACCESS - 1U))) | |
3950 | return -EIO; | |
3951 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_ACCESS)) { | |
3952 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
3953 | if (status == 0) |
3954 | status = NFS_ATTR_FATTR_ATIME; | |
1da177e4 LT |
3955 | bitmap[1] &= ~FATTR4_WORD1_TIME_ACCESS; |
3956 | } | |
3110ff80 | 3957 | dprintk("%s: atime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
3958 | return status; |
3959 | } | |
3960 | ||
3961 | static int decode_attr_time_metadata(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
3962 | { | |
3963 | int status = 0; | |
3964 | ||
3965 | time->tv_sec = 0; | |
3966 | time->tv_nsec = 0; | |
3967 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_METADATA - 1U))) | |
3968 | return -EIO; | |
3969 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_METADATA)) { | |
3970 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
3971 | if (status == 0) |
3972 | status = NFS_ATTR_FATTR_CTIME; | |
1da177e4 LT |
3973 | bitmap[1] &= ~FATTR4_WORD1_TIME_METADATA; |
3974 | } | |
3110ff80 | 3975 | dprintk("%s: ctime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
3976 | return status; |
3977 | } | |
3978 | ||
55b6e774 RL |
3979 | static int decode_attr_time_delta(struct xdr_stream *xdr, uint32_t *bitmap, |
3980 | struct timespec *time) | |
3981 | { | |
3982 | int status = 0; | |
3983 | ||
3984 | time->tv_sec = 0; | |
3985 | time->tv_nsec = 0; | |
3986 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_DELTA - 1U))) | |
3987 | return -EIO; | |
3988 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_DELTA)) { | |
3989 | status = decode_attr_time(xdr, time); | |
3990 | bitmap[1] &= ~FATTR4_WORD1_TIME_DELTA; | |
3991 | } | |
3992 | dprintk("%s: time_delta=%ld %ld\n", __func__, (long)time->tv_sec, | |
3993 | (long)time->tv_nsec); | |
3994 | return status; | |
3995 | } | |
3996 | ||
1da177e4 LT |
3997 | static int decode_attr_time_modify(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) |
3998 | { | |
3999 | int status = 0; | |
4000 | ||
4001 | time->tv_sec = 0; | |
4002 | time->tv_nsec = 0; | |
4003 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_MODIFY - 1U))) | |
4004 | return -EIO; | |
4005 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_MODIFY)) { | |
4006 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4007 | if (status == 0) |
4008 | status = NFS_ATTR_FATTR_MTIME; | |
1da177e4 LT |
4009 | bitmap[1] &= ~FATTR4_WORD1_TIME_MODIFY; |
4010 | } | |
3110ff80 | 4011 | dprintk("%s: mtime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
4012 | return status; |
4013 | } | |
4014 | ||
8687b63a | 4015 | static int verify_attr_len(struct xdr_stream *xdr, __be32 *savep, uint32_t attrlen) |
1da177e4 LT |
4016 | { |
4017 | unsigned int attrwords = XDR_QUADLEN(attrlen); | |
4018 | unsigned int nwords = xdr->p - savep; | |
4019 | ||
4020 | if (unlikely(attrwords != nwords)) { | |
fe82a183 CL |
4021 | dprintk("%s: server returned incorrect attribute length: " |
4022 | "%u %c %u\n", | |
3110ff80 | 4023 | __func__, |
1da177e4 LT |
4024 | attrwords << 2, |
4025 | (attrwords < nwords) ? '<' : '>', | |
4026 | nwords << 2); | |
4027 | return -EIO; | |
4028 | } | |
4029 | return 0; | |
4030 | } | |
4031 | ||
4032 | static int decode_change_info(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4033 | { | |
8687b63a | 4034 | __be32 *p; |
1da177e4 | 4035 | |
c0eae66e BH |
4036 | p = xdr_inline_decode(xdr, 20); |
4037 | if (unlikely(!p)) | |
4038 | goto out_overflow; | |
6f723f77 | 4039 | cinfo->atomic = be32_to_cpup(p++); |
3ceb4dbb | 4040 | p = xdr_decode_hyper(p, &cinfo->before); |
cccddf4f | 4041 | xdr_decode_hyper(p, &cinfo->after); |
1da177e4 | 4042 | return 0; |
c0eae66e BH |
4043 | out_overflow: |
4044 | print_overflow_msg(__func__, xdr); | |
4045 | return -EIO; | |
1da177e4 LT |
4046 | } |
4047 | ||
4048 | static int decode_access(struct xdr_stream *xdr, struct nfs4_accessres *access) | |
4049 | { | |
8687b63a | 4050 | __be32 *p; |
1da177e4 LT |
4051 | uint32_t supp, acc; |
4052 | int status; | |
4053 | ||
4054 | status = decode_op_hdr(xdr, OP_ACCESS); | |
4055 | if (status) | |
4056 | return status; | |
c0eae66e BH |
4057 | p = xdr_inline_decode(xdr, 8); |
4058 | if (unlikely(!p)) | |
4059 | goto out_overflow; | |
6f723f77 | 4060 | supp = be32_to_cpup(p++); |
cccddf4f | 4061 | acc = be32_to_cpup(p); |
1da177e4 LT |
4062 | access->supported = supp; |
4063 | access->access = acc; | |
4064 | return 0; | |
c0eae66e BH |
4065 | out_overflow: |
4066 | print_overflow_msg(__func__, xdr); | |
4067 | return -EIO; | |
1da177e4 LT |
4068 | } |
4069 | ||
07d30434 | 4070 | static int decode_opaque_fixed(struct xdr_stream *xdr, void *buf, size_t len) |
1da177e4 | 4071 | { |
8687b63a | 4072 | __be32 *p; |
07d30434 BH |
4073 | |
4074 | p = xdr_inline_decode(xdr, len); | |
4075 | if (likely(p)) { | |
4076 | memcpy(buf, p, len); | |
4077 | return 0; | |
4078 | } | |
4079 | print_overflow_msg(__func__, xdr); | |
4080 | return -EIO; | |
4081 | } | |
4082 | ||
4083 | static int decode_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) | |
4084 | { | |
2d2f24ad | 4085 | return decode_opaque_fixed(xdr, stateid, NFS4_STATEID_SIZE); |
07d30434 BH |
4086 | } |
4087 | ||
4088 | static int decode_close(struct xdr_stream *xdr, struct nfs_closeres *res) | |
4089 | { | |
1da177e4 LT |
4090 | int status; |
4091 | ||
4092 | status = decode_op_hdr(xdr, OP_CLOSE); | |
c1d51931 TM |
4093 | if (status != -EIO) |
4094 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4095 | if (!status) |
4096 | status = decode_stateid(xdr, &res->stateid); | |
4097 | return status; | |
1da177e4 LT |
4098 | } |
4099 | ||
db942bbd BH |
4100 | static int decode_verifier(struct xdr_stream *xdr, void *verifier) |
4101 | { | |
cd93710e | 4102 | return decode_opaque_fixed(xdr, verifier, NFS4_VERIFIER_SIZE); |
1da177e4 LT |
4103 | } |
4104 | ||
0b7c0153 | 4105 | static int decode_commit(struct xdr_stream *xdr, struct nfs_commitres *res) |
1da177e4 | 4106 | { |
1da177e4 LT |
4107 | int status; |
4108 | ||
4109 | status = decode_op_hdr(xdr, OP_COMMIT); | |
db942bbd BH |
4110 | if (!status) |
4111 | status = decode_verifier(xdr, res->verf->verifier); | |
4112 | return status; | |
1da177e4 LT |
4113 | } |
4114 | ||
4115 | static int decode_create(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4116 | { | |
8687b63a | 4117 | __be32 *p; |
1da177e4 LT |
4118 | uint32_t bmlen; |
4119 | int status; | |
4120 | ||
4121 | status = decode_op_hdr(xdr, OP_CREATE); | |
4122 | if (status) | |
4123 | return status; | |
4124 | if ((status = decode_change_info(xdr, cinfo))) | |
4125 | return status; | |
c0eae66e BH |
4126 | p = xdr_inline_decode(xdr, 4); |
4127 | if (unlikely(!p)) | |
4128 | goto out_overflow; | |
cccddf4f | 4129 | bmlen = be32_to_cpup(p); |
c0eae66e BH |
4130 | p = xdr_inline_decode(xdr, bmlen << 2); |
4131 | if (likely(p)) | |
4132 | return 0; | |
4133 | out_overflow: | |
4134 | print_overflow_msg(__func__, xdr); | |
4135 | return -EIO; | |
1da177e4 LT |
4136 | } |
4137 | ||
4138 | static int decode_server_caps(struct xdr_stream *xdr, struct nfs4_server_caps_res *res) | |
4139 | { | |
8687b63a | 4140 | __be32 *savep; |
dae100c2 | 4141 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 LT |
4142 | int status; |
4143 | ||
4144 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
4145 | goto xdr_error; | |
4146 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4147 | goto xdr_error; | |
4148 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4149 | goto xdr_error; | |
4150 | if ((status = decode_attr_supported(xdr, bitmap, res->attr_bitmask)) != 0) | |
4151 | goto xdr_error; | |
264e6351 CL |
4152 | if ((status = decode_attr_fh_expire_type(xdr, bitmap, |
4153 | &res->fh_expire_type)) != 0) | |
4154 | goto xdr_error; | |
1da177e4 LT |
4155 | if ((status = decode_attr_link_support(xdr, bitmap, &res->has_links)) != 0) |
4156 | goto xdr_error; | |
4157 | if ((status = decode_attr_symlink_support(xdr, bitmap, &res->has_symlinks)) != 0) | |
4158 | goto xdr_error; | |
4159 | if ((status = decode_attr_aclsupport(xdr, bitmap, &res->acl_bitmask)) != 0) | |
4160 | goto xdr_error; | |
4161 | status = verify_attr_len(xdr, savep, attrlen); | |
4162 | xdr_error: | |
3110ff80 | 4163 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4164 | return status; |
4165 | } | |
6c0195a4 | 4166 | |
1da177e4 LT |
4167 | static int decode_statfs(struct xdr_stream *xdr, struct nfs_fsstat *fsstat) |
4168 | { | |
8687b63a | 4169 | __be32 *savep; |
dae100c2 | 4170 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 | 4171 | int status; |
6c0195a4 | 4172 | |
1da177e4 LT |
4173 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
4174 | goto xdr_error; | |
4175 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4176 | goto xdr_error; | |
4177 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4178 | goto xdr_error; | |
4179 | ||
4180 | if ((status = decode_attr_files_avail(xdr, bitmap, &fsstat->afiles)) != 0) | |
4181 | goto xdr_error; | |
4182 | if ((status = decode_attr_files_free(xdr, bitmap, &fsstat->ffiles)) != 0) | |
4183 | goto xdr_error; | |
4184 | if ((status = decode_attr_files_total(xdr, bitmap, &fsstat->tfiles)) != 0) | |
4185 | goto xdr_error; | |
4186 | if ((status = decode_attr_space_avail(xdr, bitmap, &fsstat->abytes)) != 0) | |
4187 | goto xdr_error; | |
4188 | if ((status = decode_attr_space_free(xdr, bitmap, &fsstat->fbytes)) != 0) | |
4189 | goto xdr_error; | |
4190 | if ((status = decode_attr_space_total(xdr, bitmap, &fsstat->tbytes)) != 0) | |
4191 | goto xdr_error; | |
4192 | ||
4193 | status = verify_attr_len(xdr, savep, attrlen); | |
4194 | xdr_error: | |
3110ff80 | 4195 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4196 | return status; |
4197 | } | |
4198 | ||
4199 | static int decode_pathconf(struct xdr_stream *xdr, struct nfs_pathconf *pathconf) | |
4200 | { | |
8687b63a | 4201 | __be32 *savep; |
dae100c2 | 4202 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 | 4203 | int status; |
6c0195a4 | 4204 | |
1da177e4 LT |
4205 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
4206 | goto xdr_error; | |
4207 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4208 | goto xdr_error; | |
4209 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4210 | goto xdr_error; | |
4211 | ||
4212 | if ((status = decode_attr_maxlink(xdr, bitmap, &pathconf->max_link)) != 0) | |
4213 | goto xdr_error; | |
4214 | if ((status = decode_attr_maxname(xdr, bitmap, &pathconf->max_namelen)) != 0) | |
4215 | goto xdr_error; | |
4216 | ||
4217 | status = verify_attr_len(xdr, savep, attrlen); | |
4218 | xdr_error: | |
3110ff80 | 4219 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4220 | return status; |
4221 | } | |
4222 | ||
ae42c70a BS |
4223 | static int decode_getfattr_attrs(struct xdr_stream *xdr, uint32_t *bitmap, |
4224 | struct nfs_fattr *fattr, struct nfs_fh *fh, | |
8b7e3f49 | 4225 | struct nfs4_fs_locations *fs_loc, |
6926afd1 | 4226 | const struct nfs_server *server) |
1da177e4 | 4227 | { |
bca79478 TM |
4228 | int status; |
4229 | umode_t fmode = 0; | |
ae42c70a | 4230 | uint32_t type; |
ee7b75fc | 4231 | int32_t err; |
1da177e4 | 4232 | |
f26c7a78 TM |
4233 | status = decode_attr_type(xdr, bitmap, &type); |
4234 | if (status < 0) | |
1da177e4 | 4235 | goto xdr_error; |
409924e4 TM |
4236 | fattr->mode = 0; |
4237 | if (status != 0) { | |
4238 | fattr->mode |= nfs_type2fmt[type]; | |
4239 | fattr->valid |= status; | |
4240 | } | |
1da177e4 | 4241 | |
f26c7a78 TM |
4242 | status = decode_attr_change(xdr, bitmap, &fattr->change_attr); |
4243 | if (status < 0) | |
1da177e4 | 4244 | goto xdr_error; |
409924e4 | 4245 | fattr->valid |= status; |
f26c7a78 TM |
4246 | |
4247 | status = decode_attr_size(xdr, bitmap, &fattr->size); | |
4248 | if (status < 0) | |
1da177e4 | 4249 | goto xdr_error; |
409924e4 | 4250 | fattr->valid |= status; |
f26c7a78 TM |
4251 | |
4252 | status = decode_attr_fsid(xdr, bitmap, &fattr->fsid); | |
4253 | if (status < 0) | |
1da177e4 | 4254 | goto xdr_error; |
409924e4 | 4255 | fattr->valid |= status; |
f26c7a78 | 4256 | |
ee7b75fc TM |
4257 | err = 0; |
4258 | status = decode_attr_error(xdr, bitmap, &err); | |
ae42c70a BS |
4259 | if (status < 0) |
4260 | goto xdr_error; | |
4261 | ||
4262 | status = decode_attr_filehandle(xdr, bitmap, fh); | |
4263 | if (status < 0) | |
4264 | goto xdr_error; | |
4265 | ||
f26c7a78 TM |
4266 | status = decode_attr_fileid(xdr, bitmap, &fattr->fileid); |
4267 | if (status < 0) | |
1da177e4 | 4268 | goto xdr_error; |
409924e4 | 4269 | fattr->valid |= status; |
f26c7a78 | 4270 | |
8b7e3f49 | 4271 | status = decode_attr_fs_locations(xdr, bitmap, fs_loc); |
f26c7a78 | 4272 | if (status < 0) |
683b57b4 | 4273 | goto xdr_error; |
409924e4 | 4274 | fattr->valid |= status; |
f26c7a78 TM |
4275 | |
4276 | status = decode_attr_mode(xdr, bitmap, &fmode); | |
4277 | if (status < 0) | |
1da177e4 | 4278 | goto xdr_error; |
409924e4 TM |
4279 | if (status != 0) { |
4280 | fattr->mode |= fmode; | |
4281 | fattr->valid |= status; | |
4282 | } | |
f26c7a78 TM |
4283 | |
4284 | status = decode_attr_nlink(xdr, bitmap, &fattr->nlink); | |
4285 | if (status < 0) | |
1da177e4 | 4286 | goto xdr_error; |
409924e4 | 4287 | fattr->valid |= status; |
f26c7a78 | 4288 | |
6926afd1 | 4289 | status = decode_attr_owner(xdr, bitmap, server, &fattr->uid, fattr->owner_name); |
f26c7a78 | 4290 | if (status < 0) |
1da177e4 | 4291 | goto xdr_error; |
409924e4 | 4292 | fattr->valid |= status; |
f26c7a78 | 4293 | |
6926afd1 | 4294 | status = decode_attr_group(xdr, bitmap, server, &fattr->gid, fattr->group_name); |
f26c7a78 | 4295 | if (status < 0) |
1da177e4 | 4296 | goto xdr_error; |
409924e4 | 4297 | fattr->valid |= status; |
f26c7a78 TM |
4298 | |
4299 | status = decode_attr_rdev(xdr, bitmap, &fattr->rdev); | |
4300 | if (status < 0) | |
1da177e4 | 4301 | goto xdr_error; |
409924e4 | 4302 | fattr->valid |= status; |
f26c7a78 TM |
4303 | |
4304 | status = decode_attr_space_used(xdr, bitmap, &fattr->du.nfs3.used); | |
4305 | if (status < 0) | |
1da177e4 | 4306 | goto xdr_error; |
409924e4 | 4307 | fattr->valid |= status; |
f26c7a78 TM |
4308 | |
4309 | status = decode_attr_time_access(xdr, bitmap, &fattr->atime); | |
4310 | if (status < 0) | |
1da177e4 | 4311 | goto xdr_error; |
409924e4 | 4312 | fattr->valid |= status; |
f26c7a78 TM |
4313 | |
4314 | status = decode_attr_time_metadata(xdr, bitmap, &fattr->ctime); | |
4315 | if (status < 0) | |
1da177e4 | 4316 | goto xdr_error; |
409924e4 | 4317 | fattr->valid |= status; |
f26c7a78 TM |
4318 | |
4319 | status = decode_attr_time_modify(xdr, bitmap, &fattr->mtime); | |
4320 | if (status < 0) | |
1da177e4 | 4321 | goto xdr_error; |
409924e4 | 4322 | fattr->valid |= status; |
f26c7a78 | 4323 | |
28331a46 | 4324 | status = decode_attr_mounted_on_fileid(xdr, bitmap, &fattr->mounted_on_fileid); |
f26c7a78 | 4325 | if (status < 0) |
99baf625 | 4326 | goto xdr_error; |
28331a46 | 4327 | fattr->valid |= status; |
f26c7a78 | 4328 | |
ae42c70a BS |
4329 | xdr_error: |
4330 | dprintk("%s: xdr returned %d\n", __func__, -status); | |
4331 | return status; | |
4332 | } | |
4333 | ||
4334 | static int decode_getfattr_generic(struct xdr_stream *xdr, struct nfs_fattr *fattr, | |
8b7e3f49 TM |
4335 | struct nfs_fh *fh, struct nfs4_fs_locations *fs_loc, |
4336 | const struct nfs_server *server) | |
ae42c70a BS |
4337 | { |
4338 | __be32 *savep; | |
4339 | uint32_t attrlen, | |
dae100c2 | 4340 | bitmap[3] = {0}; |
ae42c70a BS |
4341 | int status; |
4342 | ||
4343 | status = decode_op_hdr(xdr, OP_GETATTR); | |
4344 | if (status < 0) | |
4345 | goto xdr_error; | |
4346 | ||
4347 | status = decode_attr_bitmap(xdr, bitmap); | |
4348 | if (status < 0) | |
4349 | goto xdr_error; | |
4350 | ||
4351 | status = decode_attr_length(xdr, &attrlen, &savep); | |
4352 | if (status < 0) | |
4353 | goto xdr_error; | |
4354 | ||
8b7e3f49 | 4355 | status = decode_getfattr_attrs(xdr, bitmap, fattr, fh, fs_loc, server); |
ae42c70a BS |
4356 | if (status < 0) |
4357 | goto xdr_error; | |
4358 | ||
f26c7a78 | 4359 | status = verify_attr_len(xdr, savep, attrlen); |
1da177e4 | 4360 | xdr_error: |
3110ff80 | 4361 | dprintk("%s: xdr returned %d\n", __func__, -status); |
1da177e4 LT |
4362 | return status; |
4363 | } | |
4364 | ||
ae42c70a | 4365 | static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr, |
6926afd1 | 4366 | const struct nfs_server *server) |
ae42c70a | 4367 | { |
8b7e3f49 | 4368 | return decode_getfattr_generic(xdr, fattr, NULL, NULL, server); |
ae42c70a | 4369 | } |
1da177e4 | 4370 | |
504913fb AA |
4371 | /* |
4372 | * Decode potentially multiple layout types. Currently we only support | |
4373 | * one layout driver per file system. | |
4374 | */ | |
4375 | static int decode_first_pnfs_layout_type(struct xdr_stream *xdr, | |
4376 | uint32_t *layouttype) | |
4377 | { | |
4378 | uint32_t *p; | |
4379 | int num; | |
4380 | ||
4381 | p = xdr_inline_decode(xdr, 4); | |
4382 | if (unlikely(!p)) | |
4383 | goto out_overflow; | |
4384 | num = be32_to_cpup(p); | |
4385 | ||
4386 | /* pNFS is not supported by the underlying file system */ | |
4387 | if (num == 0) { | |
4388 | *layouttype = 0; | |
4389 | return 0; | |
4390 | } | |
4391 | if (num > 1) | |
a030889a WAA |
4392 | printk(KERN_INFO "NFS: %s: Warning: Multiple pNFS layout " |
4393 | "drivers per filesystem not supported\n", __func__); | |
504913fb AA |
4394 | |
4395 | /* Decode and set first layout type, move xdr->p past unused types */ | |
4396 | p = xdr_inline_decode(xdr, num * 4); | |
4397 | if (unlikely(!p)) | |
4398 | goto out_overflow; | |
4399 | *layouttype = be32_to_cpup(p); | |
4400 | return 0; | |
4401 | out_overflow: | |
4402 | print_overflow_msg(__func__, xdr); | |
4403 | return -EIO; | |
4404 | } | |
4405 | ||
4406 | /* | |
4407 | * The type of file system exported. | |
4408 | * Note we must ensure that layouttype is set in any non-error case. | |
4409 | */ | |
4410 | static int decode_attr_pnfstype(struct xdr_stream *xdr, uint32_t *bitmap, | |
4411 | uint32_t *layouttype) | |
4412 | { | |
4413 | int status = 0; | |
4414 | ||
4415 | dprintk("%s: bitmap is %x\n", __func__, bitmap[1]); | |
4416 | if (unlikely(bitmap[1] & (FATTR4_WORD1_FS_LAYOUT_TYPES - 1U))) | |
4417 | return -EIO; | |
4418 | if (bitmap[1] & FATTR4_WORD1_FS_LAYOUT_TYPES) { | |
4419 | status = decode_first_pnfs_layout_type(xdr, layouttype); | |
4420 | bitmap[1] &= ~FATTR4_WORD1_FS_LAYOUT_TYPES; | |
4421 | } else | |
4422 | *layouttype = 0; | |
4423 | return status; | |
4424 | } | |
4425 | ||
dae100c2 FI |
4426 | /* |
4427 | * The prefered block size for layout directed io | |
4428 | */ | |
4429 | static int decode_attr_layout_blksize(struct xdr_stream *xdr, uint32_t *bitmap, | |
4430 | uint32_t *res) | |
4431 | { | |
4432 | __be32 *p; | |
4433 | ||
4434 | dprintk("%s: bitmap is %x\n", __func__, bitmap[2]); | |
4435 | *res = 0; | |
4436 | if (bitmap[2] & FATTR4_WORD2_LAYOUT_BLKSIZE) { | |
4437 | p = xdr_inline_decode(xdr, 4); | |
4438 | if (unlikely(!p)) { | |
4439 | print_overflow_msg(__func__, xdr); | |
4440 | return -EIO; | |
4441 | } | |
4442 | *res = be32_to_cpup(p); | |
4443 | bitmap[2] &= ~FATTR4_WORD2_LAYOUT_BLKSIZE; | |
4444 | } | |
4445 | return 0; | |
4446 | } | |
4447 | ||
1da177e4 LT |
4448 | static int decode_fsinfo(struct xdr_stream *xdr, struct nfs_fsinfo *fsinfo) |
4449 | { | |
8687b63a | 4450 | __be32 *savep; |
dae100c2 | 4451 | uint32_t attrlen, bitmap[3]; |
1da177e4 LT |
4452 | int status; |
4453 | ||
4454 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
4455 | goto xdr_error; | |
4456 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4457 | goto xdr_error; | |
4458 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4459 | goto xdr_error; | |
4460 | ||
4461 | fsinfo->rtmult = fsinfo->wtmult = 512; /* ??? */ | |
4462 | ||
4463 | if ((status = decode_attr_lease_time(xdr, bitmap, &fsinfo->lease_time)) != 0) | |
4464 | goto xdr_error; | |
4465 | if ((status = decode_attr_maxfilesize(xdr, bitmap, &fsinfo->maxfilesize)) != 0) | |
4466 | goto xdr_error; | |
4467 | if ((status = decode_attr_maxread(xdr, bitmap, &fsinfo->rtmax)) != 0) | |
4468 | goto xdr_error; | |
4469 | fsinfo->rtpref = fsinfo->dtpref = fsinfo->rtmax; | |
4470 | if ((status = decode_attr_maxwrite(xdr, bitmap, &fsinfo->wtmax)) != 0) | |
4471 | goto xdr_error; | |
4472 | fsinfo->wtpref = fsinfo->wtmax; | |
55b6e774 | 4473 | status = decode_attr_time_delta(xdr, bitmap, &fsinfo->time_delta); |
504913fb AA |
4474 | if (status != 0) |
4475 | goto xdr_error; | |
4476 | status = decode_attr_pnfstype(xdr, bitmap, &fsinfo->layouttype); | |
55b6e774 RL |
4477 | if (status != 0) |
4478 | goto xdr_error; | |
dae100c2 FI |
4479 | status = decode_attr_layout_blksize(xdr, bitmap, &fsinfo->blksize); |
4480 | if (status) | |
4481 | goto xdr_error; | |
1da177e4 LT |
4482 | |
4483 | status = verify_attr_len(xdr, savep, attrlen); | |
4484 | xdr_error: | |
3110ff80 | 4485 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4486 | return status; |
4487 | } | |
4488 | ||
4489 | static int decode_getfh(struct xdr_stream *xdr, struct nfs_fh *fh) | |
4490 | { | |
8687b63a | 4491 | __be32 *p; |
1da177e4 LT |
4492 | uint32_t len; |
4493 | int status; | |
4494 | ||
9936781d TM |
4495 | /* Zero handle first to allow comparisons */ |
4496 | memset(fh, 0, sizeof(*fh)); | |
4497 | ||
1da177e4 LT |
4498 | status = decode_op_hdr(xdr, OP_GETFH); |
4499 | if (status) | |
4500 | return status; | |
1da177e4 | 4501 | |
c0eae66e BH |
4502 | p = xdr_inline_decode(xdr, 4); |
4503 | if (unlikely(!p)) | |
4504 | goto out_overflow; | |
cccddf4f | 4505 | len = be32_to_cpup(p); |
1da177e4 LT |
4506 | if (len > NFS4_FHSIZE) |
4507 | return -EIO; | |
4508 | fh->size = len; | |
c0eae66e BH |
4509 | p = xdr_inline_decode(xdr, len); |
4510 | if (unlikely(!p)) | |
4511 | goto out_overflow; | |
99398d06 | 4512 | memcpy(fh->data, p, len); |
1da177e4 | 4513 | return 0; |
c0eae66e BH |
4514 | out_overflow: |
4515 | print_overflow_msg(__func__, xdr); | |
4516 | return -EIO; | |
1da177e4 LT |
4517 | } |
4518 | ||
4519 | static int decode_link(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4520 | { | |
4521 | int status; | |
6c0195a4 | 4522 | |
1da177e4 LT |
4523 | status = decode_op_hdr(xdr, OP_LINK); |
4524 | if (status) | |
4525 | return status; | |
4526 | return decode_change_info(xdr, cinfo); | |
4527 | } | |
4528 | ||
4529 | /* | |
4530 | * We create the owner, so we know a proper owner.id length is 4. | |
4531 | */ | |
911d1aaf | 4532 | static int decode_lock_denied (struct xdr_stream *xdr, struct file_lock *fl) |
1da177e4 | 4533 | { |
911d1aaf | 4534 | uint64_t offset, length, clientid; |
8687b63a | 4535 | __be32 *p; |
911d1aaf | 4536 | uint32_t namelen, type; |
1da177e4 | 4537 | |
babddc72 | 4538 | p = xdr_inline_decode(xdr, 32); /* read 32 bytes */ |
c0eae66e BH |
4539 | if (unlikely(!p)) |
4540 | goto out_overflow; | |
babddc72 | 4541 | p = xdr_decode_hyper(p, &offset); /* read 2 8-byte long words */ |
3ceb4dbb | 4542 | p = xdr_decode_hyper(p, &length); |
babddc72 BS |
4543 | type = be32_to_cpup(p++); /* 4 byte read */ |
4544 | if (fl != NULL) { /* manipulate file lock */ | |
911d1aaf TM |
4545 | fl->fl_start = (loff_t)offset; |
4546 | fl->fl_end = fl->fl_start + (loff_t)length - 1; | |
4547 | if (length == ~(uint64_t)0) | |
4548 | fl->fl_end = OFFSET_MAX; | |
4549 | fl->fl_type = F_WRLCK; | |
4550 | if (type & 1) | |
4551 | fl->fl_type = F_RDLCK; | |
4552 | fl->fl_pid = 0; | |
4553 | } | |
babddc72 BS |
4554 | p = xdr_decode_hyper(p, &clientid); /* read 8 bytes */ |
4555 | namelen = be32_to_cpup(p); /* read 4 bytes */ /* have read all 32 bytes now */ | |
4556 | p = xdr_inline_decode(xdr, namelen); /* variable size field */ | |
c0eae66e BH |
4557 | if (likely(p)) |
4558 | return -NFS4ERR_DENIED; | |
4559 | out_overflow: | |
4560 | print_overflow_msg(__func__, xdr); | |
4561 | return -EIO; | |
1da177e4 LT |
4562 | } |
4563 | ||
911d1aaf | 4564 | static int decode_lock(struct xdr_stream *xdr, struct nfs_lock_res *res) |
1da177e4 | 4565 | { |
1da177e4 LT |
4566 | int status; |
4567 | ||
4568 | status = decode_op_hdr(xdr, OP_LOCK); | |
c1d51931 TM |
4569 | if (status == -EIO) |
4570 | goto out; | |
1da177e4 | 4571 | if (status == 0) { |
07d30434 BH |
4572 | status = decode_stateid(xdr, &res->stateid); |
4573 | if (unlikely(status)) | |
4574 | goto out; | |
1da177e4 | 4575 | } else if (status == -NFS4ERR_DENIED) |
c1d51931 TM |
4576 | status = decode_lock_denied(xdr, NULL); |
4577 | if (res->open_seqid != NULL) | |
4578 | nfs_increment_open_seqid(status, res->open_seqid); | |
4579 | nfs_increment_lock_seqid(status, res->lock_seqid); | |
4580 | out: | |
1da177e4 LT |
4581 | return status; |
4582 | } | |
4583 | ||
911d1aaf | 4584 | static int decode_lockt(struct xdr_stream *xdr, struct nfs_lockt_res *res) |
1da177e4 LT |
4585 | { |
4586 | int status; | |
4587 | status = decode_op_hdr(xdr, OP_LOCKT); | |
4588 | if (status == -NFS4ERR_DENIED) | |
911d1aaf | 4589 | return decode_lock_denied(xdr, res->denied); |
1da177e4 LT |
4590 | return status; |
4591 | } | |
4592 | ||
911d1aaf | 4593 | static int decode_locku(struct xdr_stream *xdr, struct nfs_locku_res *res) |
1da177e4 | 4594 | { |
1da177e4 LT |
4595 | int status; |
4596 | ||
4597 | status = decode_op_hdr(xdr, OP_LOCKU); | |
c1d51931 TM |
4598 | if (status != -EIO) |
4599 | nfs_increment_lock_seqid(status, res->seqid); | |
07d30434 BH |
4600 | if (status == 0) |
4601 | status = decode_stateid(xdr, &res->stateid); | |
1da177e4 LT |
4602 | return status; |
4603 | } | |
4604 | ||
d3c7b7cc TM |
4605 | static int decode_release_lockowner(struct xdr_stream *xdr) |
4606 | { | |
4607 | return decode_op_hdr(xdr, OP_RELEASE_LOCKOWNER); | |
4608 | } | |
4609 | ||
1da177e4 LT |
4610 | static int decode_lookup(struct xdr_stream *xdr) |
4611 | { | |
4612 | return decode_op_hdr(xdr, OP_LOOKUP); | |
4613 | } | |
4614 | ||
4615 | /* This is too sick! */ | |
4616 | static int decode_space_limit(struct xdr_stream *xdr, u64 *maxsize) | |
4617 | { | |
05d564fe | 4618 | __be32 *p; |
1da177e4 LT |
4619 | uint32_t limit_type, nblocks, blocksize; |
4620 | ||
c0eae66e BH |
4621 | p = xdr_inline_decode(xdr, 12); |
4622 | if (unlikely(!p)) | |
4623 | goto out_overflow; | |
6f723f77 | 4624 | limit_type = be32_to_cpup(p++); |
1da177e4 | 4625 | switch (limit_type) { |
05d564fe | 4626 | case 1: |
cccddf4f | 4627 | xdr_decode_hyper(p, maxsize); |
05d564fe AA |
4628 | break; |
4629 | case 2: | |
6f723f77 | 4630 | nblocks = be32_to_cpup(p++); |
cccddf4f | 4631 | blocksize = be32_to_cpup(p); |
05d564fe | 4632 | *maxsize = (uint64_t)nblocks * (uint64_t)blocksize; |
1da177e4 LT |
4633 | } |
4634 | return 0; | |
c0eae66e BH |
4635 | out_overflow: |
4636 | print_overflow_msg(__func__, xdr); | |
4637 | return -EIO; | |
1da177e4 LT |
4638 | } |
4639 | ||
4640 | static int decode_delegation(struct xdr_stream *xdr, struct nfs_openres *res) | |
4641 | { | |
05d564fe AA |
4642 | __be32 *p; |
4643 | uint32_t delegation_type; | |
07d30434 | 4644 | int status; |
1da177e4 | 4645 | |
c0eae66e BH |
4646 | p = xdr_inline_decode(xdr, 4); |
4647 | if (unlikely(!p)) | |
4648 | goto out_overflow; | |
cccddf4f | 4649 | delegation_type = be32_to_cpup(p); |
1da177e4 LT |
4650 | if (delegation_type == NFS4_OPEN_DELEGATE_NONE) { |
4651 | res->delegation_type = 0; | |
4652 | return 0; | |
4653 | } | |
07d30434 BH |
4654 | status = decode_stateid(xdr, &res->delegation); |
4655 | if (unlikely(status)) | |
4656 | return status; | |
c0eae66e BH |
4657 | p = xdr_inline_decode(xdr, 4); |
4658 | if (unlikely(!p)) | |
4659 | goto out_overflow; | |
cccddf4f | 4660 | res->do_recall = be32_to_cpup(p); |
05d564fe | 4661 | |
1da177e4 | 4662 | switch (delegation_type) { |
05d564fe AA |
4663 | case NFS4_OPEN_DELEGATE_READ: |
4664 | res->delegation_type = FMODE_READ; | |
4665 | break; | |
4666 | case NFS4_OPEN_DELEGATE_WRITE: | |
4667 | res->delegation_type = FMODE_WRITE|FMODE_READ; | |
4668 | if (decode_space_limit(xdr, &res->maxsize) < 0) | |
1da177e4 LT |
4669 | return -EIO; |
4670 | } | |
7539bbab | 4671 | return decode_ace(xdr, NULL, res->server->nfs_client); |
c0eae66e BH |
4672 | out_overflow: |
4673 | print_overflow_msg(__func__, xdr); | |
4674 | return -EIO; | |
1da177e4 LT |
4675 | } |
4676 | ||
4677 | static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res) | |
4678 | { | |
05d564fe | 4679 | __be32 *p; |
aa53ed54 | 4680 | uint32_t savewords, bmlen, i; |
05d564fe | 4681 | int status; |
1da177e4 | 4682 | |
05d564fe | 4683 | status = decode_op_hdr(xdr, OP_OPEN); |
c1d51931 TM |
4684 | if (status != -EIO) |
4685 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4686 | if (!status) |
4687 | status = decode_stateid(xdr, &res->stateid); | |
4688 | if (unlikely(status)) | |
05d564fe | 4689 | return status; |
1da177e4 | 4690 | |
05d564fe | 4691 | decode_change_info(xdr, &res->cinfo); |
1da177e4 | 4692 | |
c0eae66e BH |
4693 | p = xdr_inline_decode(xdr, 8); |
4694 | if (unlikely(!p)) | |
4695 | goto out_overflow; | |
6f723f77 | 4696 | res->rflags = be32_to_cpup(p++); |
cccddf4f | 4697 | bmlen = be32_to_cpup(p); |
05d564fe AA |
4698 | if (bmlen > 10) |
4699 | goto xdr_error; | |
1da177e4 | 4700 | |
c0eae66e BH |
4701 | p = xdr_inline_decode(xdr, bmlen << 2); |
4702 | if (unlikely(!p)) | |
4703 | goto out_overflow; | |
aa53ed54 JL |
4704 | savewords = min_t(uint32_t, bmlen, NFS4_BITMAP_SIZE); |
4705 | for (i = 0; i < savewords; ++i) | |
6f723f77 | 4706 | res->attrset[i] = be32_to_cpup(p++); |
aa53ed54 JL |
4707 | for (; i < NFS4_BITMAP_SIZE; i++) |
4708 | res->attrset[i] = 0; | |
4709 | ||
1da177e4 LT |
4710 | return decode_delegation(xdr, res); |
4711 | xdr_error: | |
3110ff80 | 4712 | dprintk("%s: Bitmap too large! Length = %u\n", __func__, bmlen); |
1da177e4 | 4713 | return -EIO; |
c0eae66e BH |
4714 | out_overflow: |
4715 | print_overflow_msg(__func__, xdr); | |
4716 | return -EIO; | |
1da177e4 LT |
4717 | } |
4718 | ||
4719 | static int decode_open_confirm(struct xdr_stream *xdr, struct nfs_open_confirmres *res) | |
4720 | { | |
1da177e4 LT |
4721 | int status; |
4722 | ||
05d564fe | 4723 | status = decode_op_hdr(xdr, OP_OPEN_CONFIRM); |
c1d51931 TM |
4724 | if (status != -EIO) |
4725 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4726 | if (!status) |
4727 | status = decode_stateid(xdr, &res->stateid); | |
4728 | return status; | |
1da177e4 LT |
4729 | } |
4730 | ||
4731 | static int decode_open_downgrade(struct xdr_stream *xdr, struct nfs_closeres *res) | |
4732 | { | |
1da177e4 LT |
4733 | int status; |
4734 | ||
4735 | status = decode_op_hdr(xdr, OP_OPEN_DOWNGRADE); | |
c1d51931 TM |
4736 | if (status != -EIO) |
4737 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4738 | if (!status) |
4739 | status = decode_stateid(xdr, &res->stateid); | |
4740 | return status; | |
1da177e4 LT |
4741 | } |
4742 | ||
4743 | static int decode_putfh(struct xdr_stream *xdr) | |
4744 | { | |
4745 | return decode_op_hdr(xdr, OP_PUTFH); | |
4746 | } | |
4747 | ||
4748 | static int decode_putrootfh(struct xdr_stream *xdr) | |
4749 | { | |
4750 | return decode_op_hdr(xdr, OP_PUTROOTFH); | |
4751 | } | |
4752 | ||
4753 | static int decode_read(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs_readres *res) | |
4754 | { | |
4755 | struct kvec *iov = req->rq_rcv_buf.head; | |
8687b63a | 4756 | __be32 *p; |
1da177e4 LT |
4757 | uint32_t count, eof, recvd, hdrlen; |
4758 | int status; | |
4759 | ||
4760 | status = decode_op_hdr(xdr, OP_READ); | |
4761 | if (status) | |
4762 | return status; | |
c0eae66e BH |
4763 | p = xdr_inline_decode(xdr, 8); |
4764 | if (unlikely(!p)) | |
4765 | goto out_overflow; | |
6f723f77 | 4766 | eof = be32_to_cpup(p++); |
cccddf4f | 4767 | count = be32_to_cpup(p); |
8111f373 | 4768 | hdrlen = (u8 *) xdr->p - (u8 *) iov->iov_base; |
1da177e4 LT |
4769 | recvd = req->rq_rcv_buf.len - hdrlen; |
4770 | if (count > recvd) { | |
fe82a183 | 4771 | dprintk("NFS: server cheating in read reply: " |
1da177e4 LT |
4772 | "count %u > recvd %u\n", count, recvd); |
4773 | count = recvd; | |
4774 | eof = 0; | |
4775 | } | |
4776 | xdr_read_pages(xdr, count); | |
4777 | res->eof = eof; | |
4778 | res->count = count; | |
4779 | return 0; | |
c0eae66e BH |
4780 | out_overflow: |
4781 | print_overflow_msg(__func__, xdr); | |
4782 | return -EIO; | |
1da177e4 LT |
4783 | } |
4784 | ||
4785 | static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs4_readdir_res *readdir) | |
4786 | { | |
4787 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; | |
1da177e4 | 4788 | struct kvec *iov = rcvbuf->head; |
bcecff77 CL |
4789 | size_t hdrlen; |
4790 | u32 recvd, pglen = rcvbuf->page_len; | |
bcecff77 | 4791 | int status; |
cd93710e | 4792 | __be32 verf[2]; |
1da177e4 LT |
4793 | |
4794 | status = decode_op_hdr(xdr, OP_READDIR); | |
db942bbd BH |
4795 | if (!status) |
4796 | status = decode_verifier(xdr, readdir->verifier.data); | |
4797 | if (unlikely(status)) | |
1da177e4 | 4798 | return status; |
cd93710e | 4799 | memcpy(verf, readdir->verifier.data, sizeof(verf)); |
44109241 | 4800 | dprintk("%s: verifier = %08x:%08x\n", |
cd93710e | 4801 | __func__, verf[0], verf[1]); |
1da177e4 | 4802 | |
db942bbd | 4803 | hdrlen = (char *) xdr->p - (char *) iov->iov_base; |
1da177e4 LT |
4804 | recvd = rcvbuf->len - hdrlen; |
4805 | if (pglen > recvd) | |
4806 | pglen = recvd; | |
4807 | xdr_read_pages(xdr, pglen); | |
4808 | ||
afa8ccc9 | 4809 | |
ac396128 | 4810 | return pglen; |
1da177e4 LT |
4811 | } |
4812 | ||
4813 | static int decode_readlink(struct xdr_stream *xdr, struct rpc_rqst *req) | |
4814 | { | |
4815 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; | |
4816 | struct kvec *iov = rcvbuf->head; | |
bcecff77 CL |
4817 | size_t hdrlen; |
4818 | u32 len, recvd; | |
8687b63a | 4819 | __be32 *p; |
1da177e4 LT |
4820 | int status; |
4821 | ||
4822 | status = decode_op_hdr(xdr, OP_READLINK); | |
4823 | if (status) | |
4824 | return status; | |
4825 | ||
4826 | /* Convert length of symlink */ | |
c0eae66e BH |
4827 | p = xdr_inline_decode(xdr, 4); |
4828 | if (unlikely(!p)) | |
4829 | goto out_overflow; | |
cccddf4f | 4830 | len = be32_to_cpup(p); |
1da177e4 | 4831 | if (len >= rcvbuf->page_len || len <= 0) { |
fe82a183 | 4832 | dprintk("nfs: server returned giant symlink!\n"); |
1da177e4 LT |
4833 | return -ENAMETOOLONG; |
4834 | } | |
4835 | hdrlen = (char *) xdr->p - (char *) iov->iov_base; | |
4836 | recvd = req->rq_rcv_buf.len - hdrlen; | |
4837 | if (recvd < len) { | |
fe82a183 | 4838 | dprintk("NFS: server cheating in readlink reply: " |
1da177e4 LT |
4839 | "count %u > recvd %u\n", len, recvd); |
4840 | return -EIO; | |
4841 | } | |
4842 | xdr_read_pages(xdr, len); | |
4843 | /* | |
4844 | * The XDR encode routine has set things up so that | |
4845 | * the link text will be copied directly into the | |
4846 | * buffer. We just have to do overflow-checking, | |
4847 | * and and null-terminate the text (the VFS expects | |
4848 | * null-termination). | |
4849 | */ | |
b4687da7 | 4850 | xdr_terminate_string(rcvbuf, len); |
1da177e4 | 4851 | return 0; |
c0eae66e BH |
4852 | out_overflow: |
4853 | print_overflow_msg(__func__, xdr); | |
4854 | return -EIO; | |
1da177e4 LT |
4855 | } |
4856 | ||
4857 | static int decode_remove(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4858 | { | |
4859 | int status; | |
4860 | ||
4861 | status = decode_op_hdr(xdr, OP_REMOVE); | |
4862 | if (status) | |
4863 | goto out; | |
4864 | status = decode_change_info(xdr, cinfo); | |
4865 | out: | |
4866 | return status; | |
4867 | } | |
4868 | ||
4869 | static int decode_rename(struct xdr_stream *xdr, struct nfs4_change_info *old_cinfo, | |
4870 | struct nfs4_change_info *new_cinfo) | |
4871 | { | |
4872 | int status; | |
4873 | ||
4874 | status = decode_op_hdr(xdr, OP_RENAME); | |
4875 | if (status) | |
4876 | goto out; | |
4877 | if ((status = decode_change_info(xdr, old_cinfo))) | |
4878 | goto out; | |
4879 | status = decode_change_info(xdr, new_cinfo); | |
4880 | out: | |
4881 | return status; | |
4882 | } | |
4883 | ||
4884 | static int decode_renew(struct xdr_stream *xdr) | |
4885 | { | |
4886 | return decode_op_hdr(xdr, OP_RENEW); | |
4887 | } | |
4888 | ||
56ae19f3 TM |
4889 | static int |
4890 | decode_restorefh(struct xdr_stream *xdr) | |
4891 | { | |
4892 | return decode_op_hdr(xdr, OP_RESTOREFH); | |
4893 | } | |
4894 | ||
029d105e | 4895 | static int decode_getacl(struct xdr_stream *xdr, struct rpc_rqst *req, |
bf118a34 | 4896 | struct nfs_getaclres *res) |
029d105e | 4897 | { |
bf118a34 | 4898 | __be32 *savep, *bm_p; |
029d105e | 4899 | uint32_t attrlen, |
dae100c2 | 4900 | bitmap[3] = {0}; |
029d105e BF |
4901 | struct kvec *iov = req->rq_rcv_buf.head; |
4902 | int status; | |
5a006899 | 4903 | size_t page_len = xdr->buf->page_len; |
029d105e | 4904 | |
bf118a34 | 4905 | res->acl_len = 0; |
029d105e BF |
4906 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
4907 | goto out; | |
5a006899 | 4908 | |
bf118a34 | 4909 | bm_p = xdr->p; |
5a006899 SP |
4910 | res->acl_data_offset = be32_to_cpup(bm_p) + 2; |
4911 | res->acl_data_offset <<= 2; | |
4912 | /* Check if the acl data starts beyond the allocated buffer */ | |
4913 | if (res->acl_data_offset > page_len) | |
4914 | return -ERANGE; | |
4915 | ||
029d105e BF |
4916 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) |
4917 | goto out; | |
4918 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4919 | goto out; | |
4920 | ||
4921 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACL - 1U))) | |
4922 | return -EIO; | |
4923 | if (likely(bitmap[0] & FATTR4_WORD0_ACL)) { | |
bcecff77 | 4924 | size_t hdrlen; |
029d105e | 4925 | |
bf118a34 AA |
4926 | /* The bitmap (xdr len + bitmaps) and the attr xdr len words |
4927 | * are stored with the acl data to handle the problem of | |
4928 | * variable length bitmaps.*/ | |
4929 | xdr->p = bm_p; | |
bf118a34 | 4930 | |
029d105e BF |
4931 | /* We ignore &savep and don't do consistency checks on |
4932 | * the attr length. Let userspace figure it out.... */ | |
4933 | hdrlen = (u8 *)xdr->p - (u8 *)iov->iov_base; | |
bf118a34 | 4934 | attrlen += res->acl_data_offset; |
5a006899 | 4935 | if (attrlen > page_len) { |
bf118a34 AA |
4936 | if (res->acl_flags & NFS4_ACL_LEN_REQUEST) { |
4937 | /* getxattr interface called with a NULL buf */ | |
4938 | res->acl_len = attrlen; | |
4939 | goto out; | |
4940 | } | |
5794d21e | 4941 | dprintk("NFS: acl reply: attrlen %u > page_len %zu\n", |
5a006899 | 4942 | attrlen, page_len); |
029d105e BF |
4943 | return -EINVAL; |
4944 | } | |
c04871e6 | 4945 | xdr_read_pages(xdr, attrlen); |
bf118a34 | 4946 | res->acl_len = attrlen; |
8c233cf9 BF |
4947 | } else |
4948 | status = -EOPNOTSUPP; | |
029d105e BF |
4949 | |
4950 | out: | |
4951 | return status; | |
4952 | } | |
4953 | ||
1da177e4 LT |
4954 | static int |
4955 | decode_savefh(struct xdr_stream *xdr) | |
4956 | { | |
4957 | return decode_op_hdr(xdr, OP_SAVEFH); | |
4958 | } | |
4959 | ||
9e9ecc03 | 4960 | static int decode_setattr(struct xdr_stream *xdr) |
1da177e4 | 4961 | { |
8687b63a | 4962 | __be32 *p; |
1da177e4 LT |
4963 | uint32_t bmlen; |
4964 | int status; | |
4965 | ||
1da177e4 LT |
4966 | status = decode_op_hdr(xdr, OP_SETATTR); |
4967 | if (status) | |
4968 | return status; | |
c0eae66e BH |
4969 | p = xdr_inline_decode(xdr, 4); |
4970 | if (unlikely(!p)) | |
4971 | goto out_overflow; | |
cccddf4f | 4972 | bmlen = be32_to_cpup(p); |
c0eae66e BH |
4973 | p = xdr_inline_decode(xdr, bmlen << 2); |
4974 | if (likely(p)) | |
4975 | return 0; | |
4976 | out_overflow: | |
4977 | print_overflow_msg(__func__, xdr); | |
4978 | return -EIO; | |
1da177e4 LT |
4979 | } |
4980 | ||
bb8b27e5 | 4981 | static int decode_setclientid(struct xdr_stream *xdr, struct nfs4_setclientid_res *res) |
1da177e4 | 4982 | { |
8687b63a | 4983 | __be32 *p; |
1da177e4 LT |
4984 | uint32_t opnum; |
4985 | int32_t nfserr; | |
4986 | ||
c0eae66e BH |
4987 | p = xdr_inline_decode(xdr, 8); |
4988 | if (unlikely(!p)) | |
4989 | goto out_overflow; | |
6f723f77 | 4990 | opnum = be32_to_cpup(p++); |
1da177e4 | 4991 | if (opnum != OP_SETCLIENTID) { |
fe82a183 | 4992 | dprintk("nfs: decode_setclientid: Server returned operation" |
6c0195a4 | 4993 | " %d\n", opnum); |
1da177e4 LT |
4994 | return -EIO; |
4995 | } | |
cccddf4f | 4996 | nfserr = be32_to_cpup(p); |
1da177e4 | 4997 | if (nfserr == NFS_OK) { |
c0eae66e BH |
4998 | p = xdr_inline_decode(xdr, 8 + NFS4_VERIFIER_SIZE); |
4999 | if (unlikely(!p)) | |
5000 | goto out_overflow; | |
bb8b27e5 TM |
5001 | p = xdr_decode_hyper(p, &res->clientid); |
5002 | memcpy(res->confirm.data, p, NFS4_VERIFIER_SIZE); | |
1da177e4 LT |
5003 | } else if (nfserr == NFSERR_CLID_INUSE) { |
5004 | uint32_t len; | |
5005 | ||
5006 | /* skip netid string */ | |
c0eae66e BH |
5007 | p = xdr_inline_decode(xdr, 4); |
5008 | if (unlikely(!p)) | |
5009 | goto out_overflow; | |
cccddf4f | 5010 | len = be32_to_cpup(p); |
c0eae66e BH |
5011 | p = xdr_inline_decode(xdr, len); |
5012 | if (unlikely(!p)) | |
5013 | goto out_overflow; | |
1da177e4 LT |
5014 | |
5015 | /* skip uaddr string */ | |
c0eae66e BH |
5016 | p = xdr_inline_decode(xdr, 4); |
5017 | if (unlikely(!p)) | |
5018 | goto out_overflow; | |
cccddf4f | 5019 | len = be32_to_cpup(p); |
c0eae66e BH |
5020 | p = xdr_inline_decode(xdr, len); |
5021 | if (unlikely(!p)) | |
5022 | goto out_overflow; | |
1da177e4 LT |
5023 | return -NFSERR_CLID_INUSE; |
5024 | } else | |
856dff3d | 5025 | return nfs4_stat_to_errno(nfserr); |
1da177e4 LT |
5026 | |
5027 | return 0; | |
c0eae66e BH |
5028 | out_overflow: |
5029 | print_overflow_msg(__func__, xdr); | |
5030 | return -EIO; | |
1da177e4 LT |
5031 | } |
5032 | ||
5033 | static int decode_setclientid_confirm(struct xdr_stream *xdr) | |
5034 | { | |
5035 | return decode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM); | |
5036 | } | |
5037 | ||
5038 | static int decode_write(struct xdr_stream *xdr, struct nfs_writeres *res) | |
5039 | { | |
8687b63a | 5040 | __be32 *p; |
1da177e4 LT |
5041 | int status; |
5042 | ||
5043 | status = decode_op_hdr(xdr, OP_WRITE); | |
5044 | if (status) | |
5045 | return status; | |
5046 | ||
c0eae66e BH |
5047 | p = xdr_inline_decode(xdr, 16); |
5048 | if (unlikely(!p)) | |
5049 | goto out_overflow; | |
6f723f77 BH |
5050 | res->count = be32_to_cpup(p++); |
5051 | res->verf->committed = be32_to_cpup(p++); | |
cd93710e | 5052 | memcpy(res->verf->verifier, p, NFS4_VERIFIER_SIZE); |
1da177e4 | 5053 | return 0; |
c0eae66e BH |
5054 | out_overflow: |
5055 | print_overflow_msg(__func__, xdr); | |
5056 | return -EIO; | |
1da177e4 LT |
5057 | } |
5058 | ||
5059 | static int decode_delegreturn(struct xdr_stream *xdr) | |
5060 | { | |
5061 | return decode_op_hdr(xdr, OP_DELEGRETURN); | |
5062 | } | |
5063 | ||
5a5ea0d4 BS |
5064 | static int decode_secinfo_gss(struct xdr_stream *xdr, struct nfs4_secinfo_flavor *flavor) |
5065 | { | |
5066 | __be32 *p; | |
5067 | ||
5068 | p = xdr_inline_decode(xdr, 4); | |
5069 | if (unlikely(!p)) | |
5070 | goto out_overflow; | |
5071 | flavor->gss.sec_oid4.len = be32_to_cpup(p); | |
5072 | if (flavor->gss.sec_oid4.len > GSS_OID_MAX_LEN) | |
5073 | goto out_err; | |
5074 | ||
5075 | p = xdr_inline_decode(xdr, flavor->gss.sec_oid4.len); | |
5076 | if (unlikely(!p)) | |
5077 | goto out_overflow; | |
5078 | memcpy(flavor->gss.sec_oid4.data, p, flavor->gss.sec_oid4.len); | |
5079 | ||
5080 | p = xdr_inline_decode(xdr, 8); | |
5081 | if (unlikely(!p)) | |
5082 | goto out_overflow; | |
5083 | flavor->gss.qop4 = be32_to_cpup(p++); | |
5084 | flavor->gss.service = be32_to_cpup(p); | |
5085 | ||
5086 | return 0; | |
5087 | ||
5088 | out_overflow: | |
5089 | print_overflow_msg(__func__, xdr); | |
5090 | return -EIO; | |
5091 | out_err: | |
5092 | return -EINVAL; | |
5093 | } | |
5094 | ||
31e4dda4 | 5095 | static int decode_secinfo_common(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
5a5ea0d4 BS |
5096 | { |
5097 | struct nfs4_secinfo_flavor *sec_flavor; | |
5098 | int status; | |
5099 | __be32 *p; | |
c3dfc280 | 5100 | int i, num_flavors; |
5a5ea0d4 | 5101 | |
5a5ea0d4 BS |
5102 | p = xdr_inline_decode(xdr, 4); |
5103 | if (unlikely(!p)) | |
5104 | goto out_overflow; | |
5a5ea0d4 | 5105 | |
c3dfc280 BS |
5106 | res->flavors->num_flavors = 0; |
5107 | num_flavors = be32_to_cpup(p); | |
5108 | ||
5109 | for (i = 0; i < num_flavors; i++) { | |
5a5ea0d4 | 5110 | sec_flavor = &res->flavors->flavors[i]; |
c3dfc280 | 5111 | if ((char *)&sec_flavor[1] - (char *)res->flavors > PAGE_SIZE) |
5a5ea0d4 BS |
5112 | break; |
5113 | ||
5114 | p = xdr_inline_decode(xdr, 4); | |
5115 | if (unlikely(!p)) | |
5116 | goto out_overflow; | |
5117 | sec_flavor->flavor = be32_to_cpup(p); | |
5118 | ||
5119 | if (sec_flavor->flavor == RPC_AUTH_GSS) { | |
613e901e BS |
5120 | status = decode_secinfo_gss(xdr, sec_flavor); |
5121 | if (status) | |
5122 | goto out; | |
5a5ea0d4 | 5123 | } |
c3dfc280 | 5124 | res->flavors->num_flavors++; |
5a5ea0d4 BS |
5125 | } |
5126 | ||
31e4dda4 | 5127 | status = 0; |
613e901e BS |
5128 | out: |
5129 | return status; | |
5a5ea0d4 BS |
5130 | out_overflow: |
5131 | print_overflow_msg(__func__, xdr); | |
5132 | return -EIO; | |
5133 | } | |
5134 | ||
31e4dda4 BS |
5135 | static int decode_secinfo(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
5136 | { | |
5137 | int status = decode_op_hdr(xdr, OP_SECINFO); | |
5138 | if (status) | |
5139 | return status; | |
5140 | return decode_secinfo_common(xdr, res); | |
5141 | } | |
5142 | ||
99fe60d0 | 5143 | #if defined(CONFIG_NFS_V4_1) |
31e4dda4 BS |
5144 | static int decode_secinfo_no_name(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
5145 | { | |
5146 | int status = decode_op_hdr(xdr, OP_SECINFO_NO_NAME); | |
5147 | if (status) | |
5148 | return status; | |
5149 | return decode_secinfo_common(xdr, res); | |
5150 | } | |
5151 | ||
99fe60d0 BH |
5152 | static int decode_exchange_id(struct xdr_stream *xdr, |
5153 | struct nfs41_exchange_id_res *res) | |
5154 | { | |
5155 | __be32 *p; | |
5156 | uint32_t dummy; | |
2460ba57 | 5157 | char *dummy_str; |
99fe60d0 BH |
5158 | int status; |
5159 | struct nfs_client *clp = res->client; | |
7d2ed9ac | 5160 | uint32_t impl_id_count; |
99fe60d0 BH |
5161 | |
5162 | status = decode_op_hdr(xdr, OP_EXCHANGE_ID); | |
5163 | if (status) | |
5164 | return status; | |
5165 | ||
c0eae66e BH |
5166 | p = xdr_inline_decode(xdr, 8); |
5167 | if (unlikely(!p)) | |
5168 | goto out_overflow; | |
114f64b5 | 5169 | xdr_decode_hyper(p, &clp->cl_clientid); |
c0eae66e BH |
5170 | p = xdr_inline_decode(xdr, 12); |
5171 | if (unlikely(!p)) | |
5172 | goto out_overflow; | |
6f723f77 BH |
5173 | clp->cl_seqid = be32_to_cpup(p++); |
5174 | clp->cl_exchange_flags = be32_to_cpup(p++); | |
99fe60d0 BH |
5175 | |
5176 | /* We ask for SP4_NONE */ | |
cccddf4f | 5177 | dummy = be32_to_cpup(p); |
99fe60d0 BH |
5178 | if (dummy != SP4_NONE) |
5179 | return -EIO; | |
5180 | ||
5181 | /* Throw away minor_id */ | |
c0eae66e BH |
5182 | p = xdr_inline_decode(xdr, 8); |
5183 | if (unlikely(!p)) | |
5184 | goto out_overflow; | |
99fe60d0 BH |
5185 | |
5186 | /* Throw away Major id */ | |
2460ba57 BH |
5187 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
5188 | if (unlikely(status)) | |
5189 | return status; | |
99fe60d0 | 5190 | |
78fe0f41 | 5191 | /* Save server_scope */ |
2460ba57 BH |
5192 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
5193 | if (unlikely(status)) | |
5194 | return status; | |
99fe60d0 | 5195 | |
78fe0f41 WAA |
5196 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) |
5197 | return -EIO; | |
5198 | ||
5199 | memcpy(res->server_scope->server_scope, dummy_str, dummy); | |
5200 | res->server_scope->server_scope_sz = dummy; | |
5201 | ||
7d2ed9ac WAA |
5202 | /* Implementation Id */ |
5203 | p = xdr_inline_decode(xdr, 4); | |
5204 | if (unlikely(!p)) | |
5205 | goto out_overflow; | |
5206 | impl_id_count = be32_to_cpup(p++); | |
99fe60d0 | 5207 | |
7d2ed9ac WAA |
5208 | if (impl_id_count) { |
5209 | /* nii_domain */ | |
5210 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); | |
5211 | if (unlikely(status)) | |
5212 | return status; | |
5213 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) | |
5214 | return -EIO; | |
5215 | memcpy(res->impl_id->domain, dummy_str, dummy); | |
5216 | ||
5217 | /* nii_name */ | |
5218 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); | |
5219 | if (unlikely(status)) | |
5220 | return status; | |
5221 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) | |
5222 | return -EIO; | |
5223 | memcpy(res->impl_id->name, dummy_str, dummy); | |
5224 | ||
5225 | /* nii_date */ | |
5226 | p = xdr_inline_decode(xdr, 12); | |
5227 | if (unlikely(!p)) | |
5228 | goto out_overflow; | |
5229 | p = xdr_decode_hyper(p, &res->impl_id->date.seconds); | |
5230 | res->impl_id->date.nseconds = be32_to_cpup(p); | |
5231 | ||
5232 | /* if there's more than one entry, ignore the rest */ | |
5233 | } | |
99fe60d0 | 5234 | return 0; |
c0eae66e BH |
5235 | out_overflow: |
5236 | print_overflow_msg(__func__, xdr); | |
5237 | return -EIO; | |
99fe60d0 | 5238 | } |
fc931582 AA |
5239 | |
5240 | static int decode_chan_attrs(struct xdr_stream *xdr, | |
5241 | struct nfs4_channel_attrs *attrs) | |
5242 | { | |
5243 | __be32 *p; | |
c9c30dd5 | 5244 | u32 nr_attrs, val; |
fc931582 | 5245 | |
c0eae66e BH |
5246 | p = xdr_inline_decode(xdr, 28); |
5247 | if (unlikely(!p)) | |
5248 | goto out_overflow; | |
c9c30dd5 BH |
5249 | val = be32_to_cpup(p++); /* headerpadsz */ |
5250 | if (val) | |
5251 | return -EINVAL; /* no support for header padding yet */ | |
6f723f77 BH |
5252 | attrs->max_rqst_sz = be32_to_cpup(p++); |
5253 | attrs->max_resp_sz = be32_to_cpup(p++); | |
5254 | attrs->max_resp_sz_cached = be32_to_cpup(p++); | |
5255 | attrs->max_ops = be32_to_cpup(p++); | |
5256 | attrs->max_reqs = be32_to_cpup(p++); | |
cccddf4f | 5257 | nr_attrs = be32_to_cpup(p); |
fc931582 | 5258 | if (unlikely(nr_attrs > 1)) { |
a030889a WAA |
5259 | printk(KERN_WARNING "NFS: %s: Invalid rdma channel attrs " |
5260 | "count %u\n", __func__, nr_attrs); | |
fc931582 AA |
5261 | return -EINVAL; |
5262 | } | |
c0eae66e BH |
5263 | if (nr_attrs == 1) { |
5264 | p = xdr_inline_decode(xdr, 4); /* skip rdma_attrs */ | |
5265 | if (unlikely(!p)) | |
5266 | goto out_overflow; | |
5267 | } | |
fc931582 | 5268 | return 0; |
c0eae66e BH |
5269 | out_overflow: |
5270 | print_overflow_msg(__func__, xdr); | |
5271 | return -EIO; | |
fc931582 AA |
5272 | } |
5273 | ||
e78291e4 BH |
5274 | static int decode_sessionid(struct xdr_stream *xdr, struct nfs4_sessionid *sid) |
5275 | { | |
5276 | return decode_opaque_fixed(xdr, sid->data, NFS4_MAX_SESSIONID_LEN); | |
fc931582 AA |
5277 | } |
5278 | ||
5279 | static int decode_create_session(struct xdr_stream *xdr, | |
5280 | struct nfs41_create_session_res *res) | |
5281 | { | |
5282 | __be32 *p; | |
5283 | int status; | |
5284 | struct nfs_client *clp = res->client; | |
5285 | struct nfs4_session *session = clp->cl_session; | |
5286 | ||
5287 | status = decode_op_hdr(xdr, OP_CREATE_SESSION); | |
e78291e4 BH |
5288 | if (!status) |
5289 | status = decode_sessionid(xdr, &session->sess_id); | |
5290 | if (unlikely(status)) | |
fc931582 AA |
5291 | return status; |
5292 | ||
fc931582 | 5293 | /* seqid, flags */ |
c0eae66e BH |
5294 | p = xdr_inline_decode(xdr, 8); |
5295 | if (unlikely(!p)) | |
5296 | goto out_overflow; | |
6f723f77 | 5297 | clp->cl_seqid = be32_to_cpup(p++); |
cccddf4f | 5298 | session->flags = be32_to_cpup(p); |
fc931582 AA |
5299 | |
5300 | /* Channel attributes */ | |
5301 | status = decode_chan_attrs(xdr, &session->fc_attrs); | |
5302 | if (!status) | |
5303 | status = decode_chan_attrs(xdr, &session->bc_attrs); | |
5304 | return status; | |
c0eae66e BH |
5305 | out_overflow: |
5306 | print_overflow_msg(__func__, xdr); | |
5307 | return -EIO; | |
fc931582 | 5308 | } |
0f3e66c6 AA |
5309 | |
5310 | static int decode_destroy_session(struct xdr_stream *xdr, void *dummy) | |
5311 | { | |
5312 | return decode_op_hdr(xdr, OP_DESTROY_SESSION); | |
5313 | } | |
18019753 RL |
5314 | |
5315 | static int decode_reclaim_complete(struct xdr_stream *xdr, void *dummy) | |
5316 | { | |
5317 | return decode_op_hdr(xdr, OP_RECLAIM_COMPLETE); | |
5318 | } | |
99fe60d0 BH |
5319 | #endif /* CONFIG_NFS_V4_1 */ |
5320 | ||
9b7b9fcc AA |
5321 | static int decode_sequence(struct xdr_stream *xdr, |
5322 | struct nfs4_sequence_res *res, | |
5323 | struct rpc_rqst *rqstp) | |
5324 | { | |
5325 | #if defined(CONFIG_NFS_V4_1) | |
fc01cea9 AA |
5326 | struct nfs4_sessionid id; |
5327 | u32 dummy; | |
5328 | int status; | |
5329 | __be32 *p; | |
5330 | ||
9b7b9fcc AA |
5331 | if (!res->sr_session) |
5332 | return 0; | |
5333 | ||
fc01cea9 | 5334 | status = decode_op_hdr(xdr, OP_SEQUENCE); |
e78291e4 BH |
5335 | if (!status) |
5336 | status = decode_sessionid(xdr, &id); | |
5337 | if (unlikely(status)) | |
fc01cea9 | 5338 | goto out_err; |
9b7b9fcc | 5339 | |
fc01cea9 AA |
5340 | /* |
5341 | * If the server returns different values for sessionID, slotID or | |
5342 | * sequence number, the server is looney tunes. | |
5343 | */ | |
fdcb4577 | 5344 | status = -EREMOTEIO; |
fc01cea9 | 5345 | |
fc01cea9 AA |
5346 | if (memcmp(id.data, res->sr_session->sess_id.data, |
5347 | NFS4_MAX_SESSIONID_LEN)) { | |
5348 | dprintk("%s Invalid session id\n", __func__); | |
5349 | goto out_err; | |
5350 | } | |
e78291e4 | 5351 | |
c0eae66e BH |
5352 | p = xdr_inline_decode(xdr, 20); |
5353 | if (unlikely(!p)) | |
5354 | goto out_overflow; | |
e78291e4 | 5355 | |
fc01cea9 | 5356 | /* seqid */ |
6f723f77 | 5357 | dummy = be32_to_cpup(p++); |
dfb4f309 | 5358 | if (dummy != res->sr_slot->seq_nr) { |
fc01cea9 AA |
5359 | dprintk("%s Invalid sequence number\n", __func__); |
5360 | goto out_err; | |
5361 | } | |
5362 | /* slot id */ | |
6f723f77 | 5363 | dummy = be32_to_cpup(p++); |
dfb4f309 | 5364 | if (dummy != res->sr_slot - res->sr_session->fc_slot_table.slots) { |
fc01cea9 AA |
5365 | dprintk("%s Invalid slot id\n", __func__); |
5366 | goto out_err; | |
5367 | } | |
5368 | /* highest slot id - currently not processed */ | |
6f723f77 | 5369 | dummy = be32_to_cpup(p++); |
fc01cea9 | 5370 | /* target highest slot id - currently not processed */ |
6f723f77 | 5371 | dummy = be32_to_cpup(p++); |
0629e370 AB |
5372 | /* result flags */ |
5373 | res->sr_status_flags = be32_to_cpup(p); | |
fc01cea9 AA |
5374 | status = 0; |
5375 | out_err: | |
5376 | res->sr_status = status; | |
5377 | return status; | |
c0eae66e BH |
5378 | out_overflow: |
5379 | print_overflow_msg(__func__, xdr); | |
5380 | status = -EIO; | |
5381 | goto out_err; | |
fc01cea9 | 5382 | #else /* CONFIG_NFS_V4_1 */ |
9b7b9fcc | 5383 | return 0; |
fc01cea9 | 5384 | #endif /* CONFIG_NFS_V4_1 */ |
9b7b9fcc AA |
5385 | } |
5386 | ||
b1f69b75 | 5387 | #if defined(CONFIG_NFS_V4_1) |
7f11d8d3 AA |
5388 | /* |
5389 | * TODO: Need to handle case when EOF != true; | |
5390 | */ | |
5391 | static int decode_getdevicelist(struct xdr_stream *xdr, | |
5392 | struct pnfs_devicelist *res) | |
5393 | { | |
5394 | __be32 *p; | |
5395 | int status, i; | |
5396 | struct nfs_writeverf verftemp; | |
5397 | ||
5398 | status = decode_op_hdr(xdr, OP_GETDEVICELIST); | |
5399 | if (status) | |
5400 | return status; | |
5401 | ||
5402 | p = xdr_inline_decode(xdr, 8 + 8 + 4); | |
5403 | if (unlikely(!p)) | |
5404 | goto out_overflow; | |
5405 | ||
5406 | /* TODO: Skip cookie for now */ | |
5407 | p += 2; | |
5408 | ||
5409 | /* Read verifier */ | |
cd93710e | 5410 | p = xdr_decode_opaque_fixed(p, verftemp.verifier, NFS4_VERIFIER_SIZE); |
7f11d8d3 AA |
5411 | |
5412 | res->num_devs = be32_to_cpup(p); | |
5413 | ||
5414 | dprintk("%s: num_dev %d\n", __func__, res->num_devs); | |
5415 | ||
5416 | if (res->num_devs > NFS4_PNFS_GETDEVLIST_MAXNUM) { | |
a030889a | 5417 | printk(KERN_ERR "NFS: %s too many result dev_num %u\n", |
7f11d8d3 AA |
5418 | __func__, res->num_devs); |
5419 | return -EIO; | |
5420 | } | |
5421 | ||
5422 | p = xdr_inline_decode(xdr, | |
5423 | res->num_devs * NFS4_DEVICEID4_SIZE + 4); | |
5424 | if (unlikely(!p)) | |
5425 | goto out_overflow; | |
5426 | for (i = 0; i < res->num_devs; i++) | |
5427 | p = xdr_decode_opaque_fixed(p, res->dev_id[i].data, | |
5428 | NFS4_DEVICEID4_SIZE); | |
5429 | res->eof = be32_to_cpup(p); | |
5430 | return 0; | |
5431 | out_overflow: | |
5432 | print_overflow_msg(__func__, xdr); | |
5433 | return -EIO; | |
5434 | } | |
b1f69b75 AA |
5435 | |
5436 | static int decode_getdeviceinfo(struct xdr_stream *xdr, | |
5437 | struct pnfs_device *pdev) | |
5438 | { | |
5439 | __be32 *p; | |
5440 | uint32_t len, type; | |
5441 | int status; | |
5442 | ||
5443 | status = decode_op_hdr(xdr, OP_GETDEVICEINFO); | |
5444 | if (status) { | |
5445 | if (status == -ETOOSMALL) { | |
5446 | p = xdr_inline_decode(xdr, 4); | |
5447 | if (unlikely(!p)) | |
5448 | goto out_overflow; | |
5449 | pdev->mincount = be32_to_cpup(p); | |
5450 | dprintk("%s: Min count too small. mincnt = %u\n", | |
5451 | __func__, pdev->mincount); | |
5452 | } | |
5453 | return status; | |
5454 | } | |
5455 | ||
5456 | p = xdr_inline_decode(xdr, 8); | |
5457 | if (unlikely(!p)) | |
5458 | goto out_overflow; | |
5459 | type = be32_to_cpup(p++); | |
5460 | if (type != pdev->layout_type) { | |
5461 | dprintk("%s: layout mismatch req: %u pdev: %u\n", | |
5462 | __func__, pdev->layout_type, type); | |
5463 | return -EINVAL; | |
5464 | } | |
5465 | /* | |
5466 | * Get the length of the opaque device_addr4. xdr_read_pages places | |
5467 | * the opaque device_addr4 in the xdr_buf->pages (pnfs_device->pages) | |
5468 | * and places the remaining xdr data in xdr_buf->tail | |
5469 | */ | |
5470 | pdev->mincount = be32_to_cpup(p); | |
5471 | xdr_read_pages(xdr, pdev->mincount); /* include space for the length */ | |
5472 | ||
5473 | /* Parse notification bitmap, verifying that it is zero. */ | |
5474 | p = xdr_inline_decode(xdr, 4); | |
5475 | if (unlikely(!p)) | |
5476 | goto out_overflow; | |
5477 | len = be32_to_cpup(p); | |
5478 | if (len) { | |
ead00597 | 5479 | uint32_t i; |
b1f69b75 AA |
5480 | |
5481 | p = xdr_inline_decode(xdr, 4 * len); | |
5482 | if (unlikely(!p)) | |
5483 | goto out_overflow; | |
5484 | for (i = 0; i < len; i++, p++) { | |
5485 | if (be32_to_cpup(p)) { | |
5486 | dprintk("%s: notifications not supported\n", | |
5487 | __func__); | |
5488 | return -EIO; | |
5489 | } | |
5490 | } | |
5491 | } | |
5492 | return 0; | |
5493 | out_overflow: | |
5494 | print_overflow_msg(__func__, xdr); | |
5495 | return -EIO; | |
5496 | } | |
5497 | ||
5498 | static int decode_layoutget(struct xdr_stream *xdr, struct rpc_rqst *req, | |
5499 | struct nfs4_layoutget_res *res) | |
5500 | { | |
5501 | __be32 *p; | |
5502 | int status; | |
5503 | u32 layout_count; | |
35124a09 WAA |
5504 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; |
5505 | struct kvec *iov = rcvbuf->head; | |
5506 | u32 hdrlen, recvd; | |
b1f69b75 AA |
5507 | |
5508 | status = decode_op_hdr(xdr, OP_LAYOUTGET); | |
5509 | if (status) | |
5510 | return status; | |
ea9d23f5 TM |
5511 | p = xdr_inline_decode(xdr, 4); |
5512 | if (unlikely(!p)) | |
5513 | goto out_overflow; | |
5514 | res->return_on_close = be32_to_cpup(p); | |
5515 | decode_stateid(xdr, &res->stateid); | |
5516 | p = xdr_inline_decode(xdr, 4); | |
b1f69b75 AA |
5517 | if (unlikely(!p)) |
5518 | goto out_overflow; | |
b1f69b75 AA |
5519 | layout_count = be32_to_cpup(p); |
5520 | if (!layout_count) { | |
5521 | dprintk("%s: server responded with empty layout array\n", | |
5522 | __func__); | |
5523 | return -EINVAL; | |
5524 | } | |
5525 | ||
35124a09 | 5526 | p = xdr_inline_decode(xdr, 28); |
b1f69b75 AA |
5527 | if (unlikely(!p)) |
5528 | goto out_overflow; | |
5529 | p = xdr_decode_hyper(p, &res->range.offset); | |
5530 | p = xdr_decode_hyper(p, &res->range.length); | |
5531 | res->range.iomode = be32_to_cpup(p++); | |
5532 | res->type = be32_to_cpup(p++); | |
35124a09 | 5533 | res->layoutp->len = be32_to_cpup(p); |
b1f69b75 AA |
5534 | |
5535 | dprintk("%s roff:%lu rlen:%lu riomode:%d, lo_type:0x%x, lo.len:%d\n", | |
5536 | __func__, | |
5537 | (unsigned long)res->range.offset, | |
5538 | (unsigned long)res->range.length, | |
5539 | res->range.iomode, | |
5540 | res->type, | |
35124a09 WAA |
5541 | res->layoutp->len); |
5542 | ||
5543 | hdrlen = (u8 *) xdr->p - (u8 *) iov->iov_base; | |
5544 | recvd = req->rq_rcv_buf.len - hdrlen; | |
5545 | if (res->layoutp->len > recvd) { | |
5546 | dprintk("NFS: server cheating in layoutget reply: " | |
5547 | "layout len %u > recvd %u\n", | |
5548 | res->layoutp->len, recvd); | |
5549 | return -EINVAL; | |
5550 | } | |
b1f69b75 | 5551 | |
35124a09 | 5552 | xdr_read_pages(xdr, res->layoutp->len); |
b1f69b75 AA |
5553 | |
5554 | if (layout_count > 1) { | |
5555 | /* We only handle a length one array at the moment. Any | |
5556 | * further entries are just ignored. Note that this means | |
5557 | * the client may see a response that is less than the | |
5558 | * minimum it requested. | |
5559 | */ | |
5560 | dprintk("%s: server responded with %d layouts, dropping tail\n", | |
5561 | __func__, layout_count); | |
5562 | } | |
5563 | ||
5564 | return 0; | |
5565 | out_overflow: | |
5566 | print_overflow_msg(__func__, xdr); | |
5567 | return -EIO; | |
5568 | } | |
863a3c6c | 5569 | |
cbe82603 BH |
5570 | static int decode_layoutreturn(struct xdr_stream *xdr, |
5571 | struct nfs4_layoutreturn_res *res) | |
5572 | { | |
5573 | __be32 *p; | |
5574 | int status; | |
5575 | ||
5576 | status = decode_op_hdr(xdr, OP_LAYOUTRETURN); | |
5577 | if (status) | |
5578 | return status; | |
5579 | p = xdr_inline_decode(xdr, 4); | |
5580 | if (unlikely(!p)) | |
5581 | goto out_overflow; | |
5582 | res->lrs_present = be32_to_cpup(p); | |
5583 | if (res->lrs_present) | |
5584 | status = decode_stateid(xdr, &res->stateid); | |
5585 | return status; | |
5586 | out_overflow: | |
5587 | print_overflow_msg(__func__, xdr); | |
5588 | return -EIO; | |
5589 | } | |
5590 | ||
863a3c6c AA |
5591 | static int decode_layoutcommit(struct xdr_stream *xdr, |
5592 | struct rpc_rqst *req, | |
5593 | struct nfs4_layoutcommit_res *res) | |
5594 | { | |
5595 | __be32 *p; | |
5596 | __u32 sizechanged; | |
5597 | int status; | |
5598 | ||
5599 | status = decode_op_hdr(xdr, OP_LAYOUTCOMMIT); | |
db29c089 | 5600 | res->status = status; |
863a3c6c AA |
5601 | if (status) |
5602 | return status; | |
5603 | ||
5604 | p = xdr_inline_decode(xdr, 4); | |
5605 | if (unlikely(!p)) | |
5606 | goto out_overflow; | |
5607 | sizechanged = be32_to_cpup(p); | |
5608 | ||
5609 | if (sizechanged) { | |
5610 | /* throw away new size */ | |
5611 | p = xdr_inline_decode(xdr, 8); | |
5612 | if (unlikely(!p)) | |
5613 | goto out_overflow; | |
5614 | } | |
5615 | return 0; | |
5616 | out_overflow: | |
5617 | print_overflow_msg(__func__, xdr); | |
5618 | return -EIO; | |
5619 | } | |
7d974794 BS |
5620 | |
5621 | static int decode_test_stateid(struct xdr_stream *xdr, | |
5622 | struct nfs41_test_stateid_res *res) | |
5623 | { | |
5624 | __be32 *p; | |
5625 | int status; | |
5626 | int num_res; | |
5627 | ||
5628 | status = decode_op_hdr(xdr, OP_TEST_STATEID); | |
5629 | if (status) | |
5630 | return status; | |
5631 | ||
5632 | p = xdr_inline_decode(xdr, 4); | |
5633 | if (unlikely(!p)) | |
5634 | goto out_overflow; | |
5635 | num_res = be32_to_cpup(p++); | |
5636 | if (num_res != 1) | |
5637 | goto out; | |
5638 | ||
5639 | p = xdr_inline_decode(xdr, 4); | |
5640 | if (unlikely(!p)) | |
5641 | goto out_overflow; | |
5642 | res->status = be32_to_cpup(p++); | |
1cab0652 BS |
5643 | |
5644 | return status; | |
7d974794 BS |
5645 | out_overflow: |
5646 | print_overflow_msg(__func__, xdr); | |
5647 | out: | |
5648 | return -EIO; | |
5649 | } | |
9aeda35f BS |
5650 | |
5651 | static int decode_free_stateid(struct xdr_stream *xdr, | |
5652 | struct nfs41_free_stateid_res *res) | |
5653 | { | |
5654 | __be32 *p; | |
5655 | int status; | |
5656 | ||
5657 | status = decode_op_hdr(xdr, OP_FREE_STATEID); | |
5658 | if (status) | |
5659 | return status; | |
5660 | ||
5661 | p = xdr_inline_decode(xdr, 4); | |
5662 | if (unlikely(!p)) | |
5663 | goto out_overflow; | |
5664 | res->status = be32_to_cpup(p++); | |
5665 | return res->status; | |
5666 | out_overflow: | |
5667 | print_overflow_msg(__func__, xdr); | |
5668 | return -EIO; | |
5669 | } | |
b1f69b75 AA |
5670 | #endif /* CONFIG_NFS_V4_1 */ |
5671 | ||
49c2559e BH |
5672 | /* |
5673 | * END OF "GENERIC" DECODE ROUTINES. | |
5674 | */ | |
5675 | ||
1da177e4 LT |
5676 | /* |
5677 | * Decode OPEN_DOWNGRADE response | |
5678 | */ | |
bf269551 CL |
5679 | static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst *rqstp, |
5680 | struct xdr_stream *xdr, | |
5681 | struct nfs_closeres *res) | |
1da177e4 | 5682 | { |
05d564fe AA |
5683 | struct compound_hdr hdr; |
5684 | int status; | |
5685 | ||
bf269551 | 5686 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5687 | if (status) |
5688 | goto out; | |
bf269551 | 5689 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
5690 | if (status) |
5691 | goto out; | |
bf269551 | 5692 | status = decode_putfh(xdr); |
05d564fe AA |
5693 | if (status) |
5694 | goto out; | |
bf269551 | 5695 | status = decode_open_downgrade(xdr, res); |
516a6af6 TM |
5696 | if (status != 0) |
5697 | goto out; | |
6926afd1 | 5698 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 | 5699 | out: |
05d564fe | 5700 | return status; |
1da177e4 LT |
5701 | } |
5702 | ||
1da177e4 LT |
5703 | /* |
5704 | * Decode ACCESS response | |
5705 | */ | |
bf269551 CL |
5706 | static int nfs4_xdr_dec_access(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5707 | struct nfs4_accessres *res) | |
1da177e4 | 5708 | { |
1da177e4 LT |
5709 | struct compound_hdr hdr; |
5710 | int status; | |
6c0195a4 | 5711 | |
bf269551 | 5712 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5713 | if (status) |
5714 | goto out; | |
bf269551 | 5715 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5716 | if (status) |
1da177e4 | 5717 | goto out; |
bf269551 | 5718 | status = decode_putfh(xdr); |
76b32999 TM |
5719 | if (status != 0) |
5720 | goto out; | |
bf269551 | 5721 | status = decode_access(xdr, res); |
76b32999 TM |
5722 | if (status != 0) |
5723 | goto out; | |
6926afd1 | 5724 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
5725 | out: |
5726 | return status; | |
5727 | } | |
5728 | ||
5729 | /* | |
5730 | * Decode LOOKUP response | |
5731 | */ | |
bf269551 CL |
5732 | static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5733 | struct nfs4_lookup_res *res) | |
1da177e4 | 5734 | { |
1da177e4 LT |
5735 | struct compound_hdr hdr; |
5736 | int status; | |
6c0195a4 | 5737 | |
bf269551 | 5738 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5739 | if (status) |
5740 | goto out; | |
bf269551 | 5741 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5742 | if (status) |
1da177e4 | 5743 | goto out; |
bf269551 CL |
5744 | status = decode_putfh(xdr); |
5745 | if (status) | |
1da177e4 | 5746 | goto out; |
bf269551 CL |
5747 | status = decode_lookup(xdr); |
5748 | if (status) | |
1da177e4 | 5749 | goto out; |
bf269551 CL |
5750 | status = decode_getfh(xdr, res->fh); |
5751 | if (status) | |
1da177e4 | 5752 | goto out; |
6926afd1 | 5753 | status = decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
5754 | out: |
5755 | return status; | |
5756 | } | |
5757 | ||
5758 | /* | |
5759 | * Decode LOOKUP_ROOT response | |
5760 | */ | |
bf269551 CL |
5761 | static int nfs4_xdr_dec_lookup_root(struct rpc_rqst *rqstp, |
5762 | struct xdr_stream *xdr, | |
5763 | struct nfs4_lookup_res *res) | |
1da177e4 | 5764 | { |
1da177e4 LT |
5765 | struct compound_hdr hdr; |
5766 | int status; | |
6c0195a4 | 5767 | |
bf269551 | 5768 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5769 | if (status) |
5770 | goto out; | |
bf269551 | 5771 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5772 | if (status) |
1da177e4 | 5773 | goto out; |
bf269551 CL |
5774 | status = decode_putrootfh(xdr); |
5775 | if (status) | |
1da177e4 | 5776 | goto out; |
bf269551 CL |
5777 | status = decode_getfh(xdr, res->fh); |
5778 | if (status == 0) | |
6926afd1 | 5779 | status = decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
5780 | out: |
5781 | return status; | |
5782 | } | |
5783 | ||
5784 | /* | |
5785 | * Decode REMOVE response | |
5786 | */ | |
bf269551 CL |
5787 | static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5788 | struct nfs_removeres *res) | |
1da177e4 | 5789 | { |
1da177e4 LT |
5790 | struct compound_hdr hdr; |
5791 | int status; | |
6c0195a4 | 5792 | |
bf269551 | 5793 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5794 | if (status) |
5795 | goto out; | |
bf269551 | 5796 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5797 | if (status) |
1da177e4 | 5798 | goto out; |
bf269551 CL |
5799 | status = decode_putfh(xdr); |
5800 | if (status) | |
16e42959 | 5801 | goto out; |
bf269551 CL |
5802 | status = decode_remove(xdr, &res->cinfo); |
5803 | if (status) | |
16e42959 | 5804 | goto out; |
6926afd1 | 5805 | decode_getfattr(xdr, res->dir_attr, res->server); |
1da177e4 LT |
5806 | out: |
5807 | return status; | |
5808 | } | |
5809 | ||
5810 | /* | |
5811 | * Decode RENAME response | |
5812 | */ | |
bf269551 CL |
5813 | static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5814 | struct nfs_renameres *res) | |
1da177e4 | 5815 | { |
1da177e4 LT |
5816 | struct compound_hdr hdr; |
5817 | int status; | |
6c0195a4 | 5818 | |
bf269551 | 5819 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5820 | if (status) |
5821 | goto out; | |
bf269551 | 5822 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5823 | if (status) |
1da177e4 | 5824 | goto out; |
bf269551 CL |
5825 | status = decode_putfh(xdr); |
5826 | if (status) | |
1da177e4 | 5827 | goto out; |
bf269551 CL |
5828 | status = decode_savefh(xdr); |
5829 | if (status) | |
1da177e4 | 5830 | goto out; |
bf269551 CL |
5831 | status = decode_putfh(xdr); |
5832 | if (status) | |
1da177e4 | 5833 | goto out; |
bf269551 CL |
5834 | status = decode_rename(xdr, &res->old_cinfo, &res->new_cinfo); |
5835 | if (status) | |
6caf2c82 TM |
5836 | goto out; |
5837 | /* Current FH is target directory */ | |
6926afd1 | 5838 | if (decode_getfattr(xdr, res->new_fattr, res->server)) |
6caf2c82 | 5839 | goto out; |
bf269551 CL |
5840 | status = decode_restorefh(xdr); |
5841 | if (status) | |
6caf2c82 | 5842 | goto out; |
6926afd1 | 5843 | decode_getfattr(xdr, res->old_fattr, res->server); |
1da177e4 LT |
5844 | out: |
5845 | return status; | |
5846 | } | |
5847 | ||
5848 | /* | |
5849 | * Decode LINK response | |
5850 | */ | |
bf269551 CL |
5851 | static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5852 | struct nfs4_link_res *res) | |
1da177e4 | 5853 | { |
1da177e4 LT |
5854 | struct compound_hdr hdr; |
5855 | int status; | |
6c0195a4 | 5856 | |
bf269551 | 5857 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5858 | if (status) |
5859 | goto out; | |
bf269551 | 5860 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5861 | if (status) |
1da177e4 | 5862 | goto out; |
bf269551 CL |
5863 | status = decode_putfh(xdr); |
5864 | if (status) | |
1da177e4 | 5865 | goto out; |
bf269551 CL |
5866 | status = decode_savefh(xdr); |
5867 | if (status) | |
1da177e4 | 5868 | goto out; |
bf269551 CL |
5869 | status = decode_putfh(xdr); |
5870 | if (status) | |
1da177e4 | 5871 | goto out; |
bf269551 CL |
5872 | status = decode_link(xdr, &res->cinfo); |
5873 | if (status) | |
91ba2eee TM |
5874 | goto out; |
5875 | /* | |
5876 | * Note order: OP_LINK leaves the directory as the current | |
5877 | * filehandle. | |
5878 | */ | |
6926afd1 | 5879 | if (decode_getfattr(xdr, res->dir_attr, res->server)) |
91ba2eee | 5880 | goto out; |
bf269551 CL |
5881 | status = decode_restorefh(xdr); |
5882 | if (status) | |
91ba2eee | 5883 | goto out; |
6926afd1 | 5884 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
5885 | out: |
5886 | return status; | |
5887 | } | |
5888 | ||
5889 | /* | |
5890 | * Decode CREATE response | |
5891 | */ | |
bf269551 CL |
5892 | static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5893 | struct nfs4_create_res *res) | |
1da177e4 | 5894 | { |
1da177e4 LT |
5895 | struct compound_hdr hdr; |
5896 | int status; | |
6c0195a4 | 5897 | |
bf269551 | 5898 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5899 | if (status) |
5900 | goto out; | |
bf269551 | 5901 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5902 | if (status) |
1da177e4 | 5903 | goto out; |
bf269551 CL |
5904 | status = decode_putfh(xdr); |
5905 | if (status) | |
1da177e4 | 5906 | goto out; |
bf269551 CL |
5907 | status = decode_savefh(xdr); |
5908 | if (status) | |
56ae19f3 | 5909 | goto out; |
bf269551 CL |
5910 | status = decode_create(xdr, &res->dir_cinfo); |
5911 | if (status) | |
1da177e4 | 5912 | goto out; |
bf269551 CL |
5913 | status = decode_getfh(xdr, res->fh); |
5914 | if (status) | |
1da177e4 | 5915 | goto out; |
6926afd1 | 5916 | if (decode_getfattr(xdr, res->fattr, res->server)) |
56ae19f3 | 5917 | goto out; |
bf269551 CL |
5918 | status = decode_restorefh(xdr); |
5919 | if (status) | |
56ae19f3 | 5920 | goto out; |
6926afd1 | 5921 | decode_getfattr(xdr, res->dir_fattr, res->server); |
1da177e4 LT |
5922 | out: |
5923 | return status; | |
5924 | } | |
5925 | ||
5926 | /* | |
5927 | * Decode SYMLINK response | |
5928 | */ | |
bf269551 CL |
5929 | static int nfs4_xdr_dec_symlink(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5930 | struct nfs4_create_res *res) | |
1da177e4 | 5931 | { |
bf269551 | 5932 | return nfs4_xdr_dec_create(rqstp, xdr, res); |
1da177e4 LT |
5933 | } |
5934 | ||
5935 | /* | |
5936 | * Decode GETATTR response | |
5937 | */ | |
bf269551 CL |
5938 | static int nfs4_xdr_dec_getattr(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5939 | struct nfs4_getattr_res *res) | |
1da177e4 | 5940 | { |
1da177e4 LT |
5941 | struct compound_hdr hdr; |
5942 | int status; | |
6c0195a4 | 5943 | |
bf269551 | 5944 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5945 | if (status) |
5946 | goto out; | |
bf269551 | 5947 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
5948 | if (status) |
5949 | goto out; | |
bf269551 | 5950 | status = decode_putfh(xdr); |
1da177e4 LT |
5951 | if (status) |
5952 | goto out; | |
6926afd1 | 5953 | status = decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
5954 | out: |
5955 | return status; | |
1da177e4 LT |
5956 | } |
5957 | ||
23ec6965 BF |
5958 | /* |
5959 | * Encode an SETACL request | |
5960 | */ | |
9f06c719 CL |
5961 | static void nfs4_xdr_enc_setacl(struct rpc_rqst *req, struct xdr_stream *xdr, |
5962 | struct nfs_setaclargs *args) | |
23ec6965 | 5963 | { |
05d564fe | 5964 | struct compound_hdr hdr = { |
66cc0429 | 5965 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 5966 | }; |
05d564fe | 5967 | |
9f06c719 CL |
5968 | encode_compound_hdr(xdr, req, &hdr); |
5969 | encode_sequence(xdr, &args->seq_args, &hdr); | |
5970 | encode_putfh(xdr, args->fh, &hdr); | |
5971 | encode_setacl(xdr, args, &hdr); | |
d017931c | 5972 | encode_nops(&hdr); |
23ec6965 | 5973 | } |
05d564fe | 5974 | |
23ec6965 BF |
5975 | /* |
5976 | * Decode SETACL response | |
5977 | */ | |
5978 | static int | |
bf269551 | 5979 | nfs4_xdr_dec_setacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
73c403a9 | 5980 | struct nfs_setaclres *res) |
23ec6965 | 5981 | { |
23ec6965 BF |
5982 | struct compound_hdr hdr; |
5983 | int status; | |
5984 | ||
bf269551 | 5985 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5986 | if (status) |
5987 | goto out; | |
bf269551 | 5988 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
23ec6965 BF |
5989 | if (status) |
5990 | goto out; | |
bf269551 | 5991 | status = decode_putfh(xdr); |
23ec6965 BF |
5992 | if (status) |
5993 | goto out; | |
bf269551 | 5994 | status = decode_setattr(xdr); |
23ec6965 BF |
5995 | out: |
5996 | return status; | |
5997 | } | |
1da177e4 | 5998 | |
029d105e BF |
5999 | /* |
6000 | * Decode GETACL response | |
6001 | */ | |
6002 | static int | |
bf269551 | 6003 | nfs4_xdr_dec_getacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
663c79b3 | 6004 | struct nfs_getaclres *res) |
029d105e | 6005 | { |
029d105e BF |
6006 | struct compound_hdr hdr; |
6007 | int status; | |
6008 | ||
331818f1 TM |
6009 | if (res->acl_scratch != NULL) { |
6010 | void *p = page_address(res->acl_scratch); | |
6011 | xdr_set_scratch_buffer(xdr, p, PAGE_SIZE); | |
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); |
029d105e BF |
6017 | if (status) |
6018 | goto out; | |
bf269551 | 6019 | status = decode_putfh(xdr); |
029d105e BF |
6020 | if (status) |
6021 | goto out; | |
bf118a34 | 6022 | status = decode_getacl(xdr, rqstp, res); |
029d105e BF |
6023 | |
6024 | out: | |
6025 | return status; | |
6026 | } | |
6027 | ||
1da177e4 LT |
6028 | /* |
6029 | * Decode CLOSE response | |
6030 | */ | |
bf269551 CL |
6031 | static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6032 | struct nfs_closeres *res) | |
1da177e4 | 6033 | { |
05d564fe AA |
6034 | struct compound_hdr hdr; |
6035 | int status; | |
6036 | ||
bf269551 | 6037 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6038 | if (status) |
6039 | goto out; | |
bf269551 | 6040 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6041 | if (status) |
6042 | goto out; | |
bf269551 | 6043 | status = decode_putfh(xdr); |
05d564fe AA |
6044 | if (status) |
6045 | goto out; | |
bf269551 | 6046 | status = decode_close(xdr, res); |
516a6af6 TM |
6047 | if (status != 0) |
6048 | goto out; | |
6049 | /* | |
6050 | * Note: Server may do delete on close for this file | |
6051 | * in which case the getattr call will fail with | |
6052 | * an ESTALE error. Shouldn't be a problem, | |
6053 | * though, since fattr->valid will remain unset. | |
6054 | */ | |
6926afd1 | 6055 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 | 6056 | out: |
05d564fe | 6057 | return status; |
1da177e4 LT |
6058 | } |
6059 | ||
6060 | /* | |
6061 | * Decode OPEN response | |
6062 | */ | |
bf269551 CL |
6063 | static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6064 | struct nfs_openres *res) | |
1da177e4 | 6065 | { |
05d564fe AA |
6066 | struct compound_hdr hdr; |
6067 | int status; | |
6068 | ||
bf269551 | 6069 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6070 | if (status) |
6071 | goto out; | |
bf269551 | 6072 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6073 | if (status) |
6074 | goto out; | |
bf269551 | 6075 | status = decode_putfh(xdr); |
05d564fe AA |
6076 | if (status) |
6077 | goto out; | |
bf269551 | 6078 | status = decode_savefh(xdr); |
05d564fe AA |
6079 | if (status) |
6080 | goto out; | |
bf269551 | 6081 | status = decode_open(xdr, res); |
56ae19f3 TM |
6082 | if (status) |
6083 | goto out; | |
bf269551 | 6084 | if (decode_getfh(xdr, &res->fh) != 0) |
1da177e4 | 6085 | goto out; |
6926afd1 | 6086 | if (decode_getfattr(xdr, res->f_attr, res->server) != 0) |
56ae19f3 | 6087 | goto out; |
bf269551 | 6088 | if (decode_restorefh(xdr) != 0) |
56ae19f3 | 6089 | goto out; |
6926afd1 | 6090 | decode_getfattr(xdr, res->dir_attr, res->server); |
1da177e4 | 6091 | out: |
05d564fe | 6092 | return status; |
1da177e4 LT |
6093 | } |
6094 | ||
6095 | /* | |
6096 | * Decode OPEN_CONFIRM response | |
6097 | */ | |
bf269551 CL |
6098 | static int nfs4_xdr_dec_open_confirm(struct rpc_rqst *rqstp, |
6099 | struct xdr_stream *xdr, | |
6100 | struct nfs_open_confirmres *res) | |
1da177e4 | 6101 | { |
05d564fe AA |
6102 | struct compound_hdr hdr; |
6103 | int status; | |
6104 | ||
bf269551 | 6105 | status = decode_compound_hdr(xdr, &hdr); |
05d564fe AA |
6106 | if (status) |
6107 | goto out; | |
bf269551 | 6108 | status = decode_putfh(xdr); |
05d564fe AA |
6109 | if (status) |
6110 | goto out; | |
bf269551 | 6111 | status = decode_open_confirm(xdr, res); |
1da177e4 | 6112 | out: |
05d564fe | 6113 | return status; |
1da177e4 LT |
6114 | } |
6115 | ||
6116 | /* | |
6117 | * Decode OPEN response | |
6118 | */ | |
bf269551 CL |
6119 | static int nfs4_xdr_dec_open_noattr(struct rpc_rqst *rqstp, |
6120 | struct xdr_stream *xdr, | |
6121 | struct nfs_openres *res) | |
1da177e4 | 6122 | { |
05d564fe AA |
6123 | struct compound_hdr hdr; |
6124 | int status; | |
6125 | ||
bf269551 | 6126 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6127 | if (status) |
6128 | goto out; | |
bf269551 | 6129 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6130 | if (status) |
6131 | goto out; | |
bf269551 | 6132 | status = decode_putfh(xdr); |
05d564fe AA |
6133 | if (status) |
6134 | goto out; | |
bf269551 | 6135 | status = decode_open(xdr, res); |
05d564fe AA |
6136 | if (status) |
6137 | goto out; | |
6926afd1 | 6138 | decode_getfattr(xdr, res->f_attr, res->server); |
1da177e4 | 6139 | out: |
05d564fe | 6140 | return status; |
1da177e4 LT |
6141 | } |
6142 | ||
6143 | /* | |
6144 | * Decode SETATTR response | |
6145 | */ | |
bf269551 CL |
6146 | static int nfs4_xdr_dec_setattr(struct rpc_rqst *rqstp, |
6147 | struct xdr_stream *xdr, | |
6148 | struct nfs_setattrres *res) | |
1da177e4 | 6149 | { |
05d564fe AA |
6150 | struct compound_hdr hdr; |
6151 | int status; | |
6152 | ||
bf269551 | 6153 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6154 | if (status) |
6155 | goto out; | |
bf269551 | 6156 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6157 | if (status) |
6158 | goto out; | |
bf269551 | 6159 | status = decode_putfh(xdr); |
05d564fe AA |
6160 | if (status) |
6161 | goto out; | |
bf269551 | 6162 | status = decode_setattr(xdr); |
05d564fe AA |
6163 | if (status) |
6164 | goto out; | |
6926afd1 | 6165 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 | 6166 | out: |
05d564fe | 6167 | return status; |
1da177e4 LT |
6168 | } |
6169 | ||
6170 | /* | |
6171 | * Decode LOCK response | |
6172 | */ | |
bf269551 CL |
6173 | static int nfs4_xdr_dec_lock(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6174 | struct nfs_lock_res *res) | |
1da177e4 | 6175 | { |
1da177e4 LT |
6176 | struct compound_hdr hdr; |
6177 | int status; | |
6178 | ||
bf269551 | 6179 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6180 | if (status) |
6181 | goto out; | |
bf269551 | 6182 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6183 | if (status) |
6184 | goto out; | |
bf269551 | 6185 | status = decode_putfh(xdr); |
1da177e4 LT |
6186 | if (status) |
6187 | goto out; | |
bf269551 | 6188 | status = decode_lock(xdr, res); |
1da177e4 LT |
6189 | out: |
6190 | return status; | |
6191 | } | |
6192 | ||
6193 | /* | |
6194 | * Decode LOCKT response | |
6195 | */ | |
bf269551 CL |
6196 | static int nfs4_xdr_dec_lockt(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6197 | struct nfs_lockt_res *res) | |
1da177e4 | 6198 | { |
1da177e4 LT |
6199 | struct compound_hdr hdr; |
6200 | int status; | |
6201 | ||
bf269551 | 6202 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6203 | if (status) |
6204 | goto out; | |
bf269551 | 6205 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6206 | if (status) |
6207 | goto out; | |
bf269551 | 6208 | status = decode_putfh(xdr); |
1da177e4 LT |
6209 | if (status) |
6210 | goto out; | |
bf269551 | 6211 | status = decode_lockt(xdr, res); |
1da177e4 LT |
6212 | out: |
6213 | return status; | |
6214 | } | |
6215 | ||
6216 | /* | |
6217 | * Decode LOCKU response | |
6218 | */ | |
bf269551 CL |
6219 | static int nfs4_xdr_dec_locku(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6220 | struct nfs_locku_res *res) | |
1da177e4 | 6221 | { |
1da177e4 LT |
6222 | struct compound_hdr hdr; |
6223 | int status; | |
6224 | ||
bf269551 | 6225 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6226 | if (status) |
6227 | goto out; | |
bf269551 | 6228 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6229 | if (status) |
6230 | goto out; | |
bf269551 | 6231 | status = decode_putfh(xdr); |
1da177e4 LT |
6232 | if (status) |
6233 | goto out; | |
bf269551 | 6234 | status = decode_locku(xdr, res); |
1da177e4 LT |
6235 | out: |
6236 | return status; | |
6237 | } | |
6238 | ||
bf269551 CL |
6239 | static int nfs4_xdr_dec_release_lockowner(struct rpc_rqst *rqstp, |
6240 | struct xdr_stream *xdr, void *dummy) | |
d3c7b7cc | 6241 | { |
d3c7b7cc TM |
6242 | struct compound_hdr hdr; |
6243 | int status; | |
6244 | ||
bf269551 | 6245 | status = decode_compound_hdr(xdr, &hdr); |
d3c7b7cc | 6246 | if (!status) |
bf269551 | 6247 | status = decode_release_lockowner(xdr); |
d3c7b7cc TM |
6248 | return status; |
6249 | } | |
6250 | ||
1da177e4 LT |
6251 | /* |
6252 | * Decode READLINK response | |
6253 | */ | |
bf269551 CL |
6254 | static int nfs4_xdr_dec_readlink(struct rpc_rqst *rqstp, |
6255 | struct xdr_stream *xdr, | |
f50c7000 | 6256 | struct nfs4_readlink_res *res) |
1da177e4 | 6257 | { |
1da177e4 LT |
6258 | struct compound_hdr hdr; |
6259 | int status; | |
6260 | ||
bf269551 | 6261 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6262 | if (status) |
6263 | goto out; | |
bf269551 | 6264 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6265 | if (status) |
6266 | goto out; | |
bf269551 | 6267 | status = decode_putfh(xdr); |
1da177e4 LT |
6268 | if (status) |
6269 | goto out; | |
bf269551 | 6270 | status = decode_readlink(xdr, rqstp); |
1da177e4 LT |
6271 | out: |
6272 | return status; | |
6273 | } | |
6274 | ||
6275 | /* | |
6276 | * Decode READDIR response | |
6277 | */ | |
bf269551 CL |
6278 | static int nfs4_xdr_dec_readdir(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6279 | struct nfs4_readdir_res *res) | |
1da177e4 | 6280 | { |
1da177e4 LT |
6281 | struct compound_hdr hdr; |
6282 | int status; | |
6283 | ||
bf269551 | 6284 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6285 | if (status) |
6286 | goto out; | |
bf269551 | 6287 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6288 | if (status) |
6289 | goto out; | |
bf269551 | 6290 | status = decode_putfh(xdr); |
1da177e4 LT |
6291 | if (status) |
6292 | goto out; | |
bf269551 | 6293 | status = decode_readdir(xdr, rqstp, res); |
1da177e4 LT |
6294 | out: |
6295 | return status; | |
6296 | } | |
6297 | ||
6298 | /* | |
6299 | * Decode Read response | |
6300 | */ | |
bf269551 CL |
6301 | static int nfs4_xdr_dec_read(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6302 | struct nfs_readres *res) | |
1da177e4 | 6303 | { |
1da177e4 LT |
6304 | struct compound_hdr hdr; |
6305 | int status; | |
6306 | ||
bf269551 | 6307 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6308 | if (status) |
6309 | goto out; | |
bf269551 | 6310 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6311 | if (status) |
6312 | goto out; | |
bf269551 | 6313 | status = decode_putfh(xdr); |
1da177e4 LT |
6314 | if (status) |
6315 | goto out; | |
bf269551 | 6316 | status = decode_read(xdr, rqstp, res); |
1da177e4 LT |
6317 | if (!status) |
6318 | status = res->count; | |
6319 | out: | |
6320 | return status; | |
6321 | } | |
6322 | ||
6323 | /* | |
6324 | * Decode WRITE response | |
6325 | */ | |
bf269551 CL |
6326 | static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6327 | struct nfs_writeres *res) | |
1da177e4 | 6328 | { |
1da177e4 LT |
6329 | struct compound_hdr hdr; |
6330 | int status; | |
6331 | ||
bf269551 | 6332 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6333 | if (status) |
6334 | goto out; | |
bf269551 | 6335 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6336 | if (status) |
6337 | goto out; | |
bf269551 | 6338 | status = decode_putfh(xdr); |
1da177e4 LT |
6339 | if (status) |
6340 | goto out; | |
bf269551 | 6341 | status = decode_write(xdr, res); |
4f9838c7 TM |
6342 | if (status) |
6343 | goto out; | |
7ffd1064 | 6344 | if (res->fattr) |
6926afd1 | 6345 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6346 | if (!status) |
6347 | status = res->count; | |
6348 | out: | |
6349 | return status; | |
6350 | } | |
6351 | ||
6352 | /* | |
6353 | * Decode COMMIT response | |
6354 | */ | |
bf269551 | 6355 | static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
0b7c0153 | 6356 | struct nfs_commitres *res) |
1da177e4 | 6357 | { |
1da177e4 LT |
6358 | struct compound_hdr hdr; |
6359 | int status; | |
6360 | ||
bf269551 | 6361 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6362 | if (status) |
6363 | goto out; | |
bf269551 | 6364 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6365 | if (status) |
6366 | goto out; | |
bf269551 | 6367 | status = decode_putfh(xdr); |
1da177e4 LT |
6368 | if (status) |
6369 | goto out; | |
bf269551 | 6370 | status = decode_commit(xdr, res); |
4f9838c7 TM |
6371 | if (status) |
6372 | goto out; | |
988b6dce | 6373 | if (res->fattr) |
6926afd1 | 6374 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6375 | out: |
6376 | return status; | |
6377 | } | |
6378 | ||
6379 | /* | |
8b173218 | 6380 | * Decode FSINFO response |
1da177e4 | 6381 | */ |
bf269551 | 6382 | static int nfs4_xdr_dec_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, |
3dda5e43 | 6383 | struct nfs4_fsinfo_res *res) |
1da177e4 | 6384 | { |
1da177e4 LT |
6385 | struct compound_hdr hdr; |
6386 | int status; | |
6387 | ||
bf269551 | 6388 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6389 | if (!status) |
bf269551 | 6390 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6391 | if (!status) |
bf269551 | 6392 | status = decode_putfh(xdr); |
1da177e4 | 6393 | if (!status) |
bf269551 | 6394 | status = decode_fsinfo(xdr, res->fsinfo); |
1da177e4 LT |
6395 | return status; |
6396 | } | |
6397 | ||
6398 | /* | |
8b173218 | 6399 | * Decode PATHCONF response |
1da177e4 | 6400 | */ |
bf269551 | 6401 | static int nfs4_xdr_dec_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, |
d45b2989 | 6402 | struct nfs4_pathconf_res *res) |
1da177e4 | 6403 | { |
1da177e4 LT |
6404 | struct compound_hdr hdr; |
6405 | int status; | |
6406 | ||
bf269551 | 6407 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6408 | if (!status) |
bf269551 | 6409 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6410 | if (!status) |
bf269551 | 6411 | status = decode_putfh(xdr); |
1da177e4 | 6412 | if (!status) |
bf269551 | 6413 | status = decode_pathconf(xdr, res->pathconf); |
1da177e4 LT |
6414 | return status; |
6415 | } | |
6416 | ||
6417 | /* | |
8b173218 | 6418 | * Decode STATFS response |
1da177e4 | 6419 | */ |
bf269551 | 6420 | static int nfs4_xdr_dec_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, |
24ad148a | 6421 | struct nfs4_statfs_res *res) |
1da177e4 | 6422 | { |
1da177e4 LT |
6423 | struct compound_hdr hdr; |
6424 | int status; | |
6425 | ||
bf269551 | 6426 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6427 | if (!status) |
bf269551 | 6428 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6429 | if (!status) |
bf269551 | 6430 | status = decode_putfh(xdr); |
1da177e4 | 6431 | if (!status) |
bf269551 | 6432 | status = decode_statfs(xdr, res->fsstat); |
1da177e4 LT |
6433 | return status; |
6434 | } | |
6435 | ||
6436 | /* | |
8b173218 | 6437 | * Decode GETATTR_BITMAP response |
1da177e4 | 6438 | */ |
bf269551 CL |
6439 | static int nfs4_xdr_dec_server_caps(struct rpc_rqst *req, |
6440 | struct xdr_stream *xdr, | |
6441 | struct nfs4_server_caps_res *res) | |
1da177e4 | 6442 | { |
1da177e4 LT |
6443 | struct compound_hdr hdr; |
6444 | int status; | |
6445 | ||
bf269551 | 6446 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6447 | if (status) |
6448 | goto out; | |
bf269551 | 6449 | status = decode_sequence(xdr, &res->seq_res, req); |
9b7b9fcc | 6450 | if (status) |
1da177e4 | 6451 | goto out; |
bf269551 CL |
6452 | status = decode_putfh(xdr); |
6453 | if (status) | |
1da177e4 | 6454 | goto out; |
bf269551 | 6455 | status = decode_server_caps(xdr, res); |
1da177e4 LT |
6456 | out: |
6457 | return status; | |
6458 | } | |
6459 | ||
6460 | /* | |
6461 | * Decode RENEW response | |
6462 | */ | |
bf269551 CL |
6463 | static int nfs4_xdr_dec_renew(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6464 | void *__unused) | |
1da177e4 | 6465 | { |
1da177e4 LT |
6466 | struct compound_hdr hdr; |
6467 | int status; | |
6468 | ||
bf269551 | 6469 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6470 | if (!status) |
bf269551 | 6471 | status = decode_renew(xdr); |
1da177e4 LT |
6472 | return status; |
6473 | } | |
6474 | ||
6475 | /* | |
8b173218 | 6476 | * Decode SETCLIENTID response |
1da177e4 | 6477 | */ |
bf269551 CL |
6478 | static int nfs4_xdr_dec_setclientid(struct rpc_rqst *req, |
6479 | struct xdr_stream *xdr, | |
6480 | struct nfs4_setclientid_res *res) | |
1da177e4 | 6481 | { |
1da177e4 LT |
6482 | struct compound_hdr hdr; |
6483 | int status; | |
6484 | ||
bf269551 | 6485 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6486 | if (!status) |
bf269551 | 6487 | status = decode_setclientid(xdr, res); |
1da177e4 LT |
6488 | return status; |
6489 | } | |
6490 | ||
6491 | /* | |
8b173218 | 6492 | * Decode SETCLIENTID_CONFIRM response |
1da177e4 | 6493 | */ |
bf269551 CL |
6494 | static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst *req, |
6495 | struct xdr_stream *xdr, | |
6496 | struct nfs_fsinfo *fsinfo) | |
1da177e4 | 6497 | { |
1da177e4 LT |
6498 | struct compound_hdr hdr; |
6499 | int status; | |
6500 | ||
bf269551 | 6501 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6502 | if (!status) |
bf269551 | 6503 | status = decode_setclientid_confirm(xdr); |
1da177e4 | 6504 | if (!status) |
bf269551 | 6505 | status = decode_putrootfh(xdr); |
1da177e4 | 6506 | if (!status) |
bf269551 | 6507 | status = decode_fsinfo(xdr, fsinfo); |
1da177e4 LT |
6508 | return status; |
6509 | } | |
6510 | ||
6511 | /* | |
8b173218 | 6512 | * Decode DELEGRETURN response |
1da177e4 | 6513 | */ |
bf269551 CL |
6514 | static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, |
6515 | struct xdr_stream *xdr, | |
6516 | struct nfs4_delegreturnres *res) | |
1da177e4 | 6517 | { |
1da177e4 LT |
6518 | struct compound_hdr hdr; |
6519 | int status; | |
6520 | ||
bf269551 | 6521 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6522 | if (status) |
6523 | goto out; | |
bf269551 | 6524 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6525 | if (status) |
fa178f29 | 6526 | goto out; |
bf269551 | 6527 | status = decode_putfh(xdr); |
fa178f29 TM |
6528 | if (status != 0) |
6529 | goto out; | |
bf269551 | 6530 | status = decode_delegreturn(xdr); |
556ae3bb JL |
6531 | if (status != 0) |
6532 | goto out; | |
6926afd1 | 6533 | decode_getfattr(xdr, res->fattr, res->server); |
fa178f29 | 6534 | out: |
1da177e4 LT |
6535 | return status; |
6536 | } | |
6537 | ||
683b57b4 | 6538 | /* |
8b173218 | 6539 | * Decode FS_LOCATIONS response |
683b57b4 | 6540 | */ |
bf269551 CL |
6541 | static int nfs4_xdr_dec_fs_locations(struct rpc_rqst *req, |
6542 | struct xdr_stream *xdr, | |
22958463 | 6543 | struct nfs4_fs_locations_res *res) |
683b57b4 | 6544 | { |
683b57b4 TM |
6545 | struct compound_hdr hdr; |
6546 | int status; | |
6547 | ||
bf269551 | 6548 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6549 | if (status) |
6550 | goto out; | |
bf269551 | 6551 | status = decode_sequence(xdr, &res->seq_res, req); |
9b7b9fcc | 6552 | if (status) |
683b57b4 | 6553 | goto out; |
bf269551 CL |
6554 | status = decode_putfh(xdr); |
6555 | if (status) | |
683b57b4 | 6556 | goto out; |
bf269551 CL |
6557 | status = decode_lookup(xdr); |
6558 | if (status) | |
683b57b4 | 6559 | goto out; |
bf269551 | 6560 | xdr_enter_page(xdr, PAGE_SIZE); |
8b7e3f49 TM |
6561 | status = decode_getfattr_generic(xdr, &res->fs_locations->fattr, |
6562 | NULL, res->fs_locations, | |
6563 | res->fs_locations->server); | |
683b57b4 TM |
6564 | out: |
6565 | return status; | |
6566 | } | |
6567 | ||
5a5ea0d4 BS |
6568 | /* |
6569 | * Decode SECINFO response | |
6570 | */ | |
6571 | static int nfs4_xdr_dec_secinfo(struct rpc_rqst *rqstp, | |
6572 | struct xdr_stream *xdr, | |
6573 | struct nfs4_secinfo_res *res) | |
6574 | { | |
6575 | struct compound_hdr hdr; | |
6576 | int status; | |
6577 | ||
6578 | status = decode_compound_hdr(xdr, &hdr); | |
6579 | if (status) | |
6580 | goto out; | |
6581 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6582 | if (status) | |
6583 | goto out; | |
6584 | status = decode_putfh(xdr); | |
6585 | if (status) | |
6586 | goto out; | |
6587 | status = decode_secinfo(xdr, res); | |
5a5ea0d4 BS |
6588 | out: |
6589 | return status; | |
6590 | } | |
6591 | ||
99fe60d0 BH |
6592 | #if defined(CONFIG_NFS_V4_1) |
6593 | /* | |
8b173218 | 6594 | * Decode EXCHANGE_ID response |
99fe60d0 | 6595 | */ |
bf269551 CL |
6596 | static int nfs4_xdr_dec_exchange_id(struct rpc_rqst *rqstp, |
6597 | struct xdr_stream *xdr, | |
99fe60d0 BH |
6598 | void *res) |
6599 | { | |
99fe60d0 BH |
6600 | struct compound_hdr hdr; |
6601 | int status; | |
6602 | ||
bf269551 | 6603 | status = decode_compound_hdr(xdr, &hdr); |
99fe60d0 | 6604 | if (!status) |
bf269551 | 6605 | status = decode_exchange_id(xdr, res); |
99fe60d0 BH |
6606 | return status; |
6607 | } | |
2050f0cc | 6608 | |
fc931582 | 6609 | /* |
8b173218 | 6610 | * Decode CREATE_SESSION response |
fc931582 | 6611 | */ |
bf269551 CL |
6612 | static int nfs4_xdr_dec_create_session(struct rpc_rqst *rqstp, |
6613 | struct xdr_stream *xdr, | |
fc931582 AA |
6614 | struct nfs41_create_session_res *res) |
6615 | { | |
fc931582 AA |
6616 | struct compound_hdr hdr; |
6617 | int status; | |
6618 | ||
bf269551 | 6619 | status = decode_compound_hdr(xdr, &hdr); |
fc931582 | 6620 | if (!status) |
bf269551 | 6621 | status = decode_create_session(xdr, res); |
fc931582 AA |
6622 | return status; |
6623 | } | |
6624 | ||
0f3e66c6 | 6625 | /* |
8b173218 | 6626 | * Decode DESTROY_SESSION response |
0f3e66c6 | 6627 | */ |
bf269551 CL |
6628 | static int nfs4_xdr_dec_destroy_session(struct rpc_rqst *rqstp, |
6629 | struct xdr_stream *xdr, | |
6630 | void *res) | |
0f3e66c6 | 6631 | { |
0f3e66c6 AA |
6632 | struct compound_hdr hdr; |
6633 | int status; | |
6634 | ||
bf269551 | 6635 | status = decode_compound_hdr(xdr, &hdr); |
0f3e66c6 | 6636 | if (!status) |
bf269551 | 6637 | status = decode_destroy_session(xdr, res); |
0f3e66c6 AA |
6638 | return status; |
6639 | } | |
6640 | ||
fc01cea9 | 6641 | /* |
8b173218 | 6642 | * Decode SEQUENCE response |
fc01cea9 | 6643 | */ |
bf269551 CL |
6644 | static int nfs4_xdr_dec_sequence(struct rpc_rqst *rqstp, |
6645 | struct xdr_stream *xdr, | |
fc01cea9 AA |
6646 | struct nfs4_sequence_res *res) |
6647 | { | |
fc01cea9 AA |
6648 | struct compound_hdr hdr; |
6649 | int status; | |
6650 | ||
bf269551 | 6651 | status = decode_compound_hdr(xdr, &hdr); |
fc01cea9 | 6652 | if (!status) |
bf269551 | 6653 | status = decode_sequence(xdr, res, rqstp); |
fc01cea9 AA |
6654 | return status; |
6655 | } | |
6656 | ||
2050f0cc | 6657 | /* |
8b173218 | 6658 | * Decode GET_LEASE_TIME response |
2050f0cc | 6659 | */ |
bf269551 CL |
6660 | static int nfs4_xdr_dec_get_lease_time(struct rpc_rqst *rqstp, |
6661 | struct xdr_stream *xdr, | |
2050f0cc AA |
6662 | struct nfs4_get_lease_time_res *res) |
6663 | { | |
2050f0cc AA |
6664 | struct compound_hdr hdr; |
6665 | int status; | |
6666 | ||
bf269551 | 6667 | status = decode_compound_hdr(xdr, &hdr); |
2050f0cc | 6668 | if (!status) |
bf269551 | 6669 | status = decode_sequence(xdr, &res->lr_seq_res, rqstp); |
2050f0cc | 6670 | if (!status) |
bf269551 | 6671 | status = decode_putrootfh(xdr); |
2050f0cc | 6672 | if (!status) |
bf269551 | 6673 | status = decode_fsinfo(xdr, res->lr_fsinfo); |
2050f0cc AA |
6674 | return status; |
6675 | } | |
18019753 RL |
6676 | |
6677 | /* | |
6678 | * Decode RECLAIM_COMPLETE response | |
6679 | */ | |
bf269551 CL |
6680 | static int nfs4_xdr_dec_reclaim_complete(struct rpc_rqst *rqstp, |
6681 | struct xdr_stream *xdr, | |
18019753 RL |
6682 | struct nfs41_reclaim_complete_res *res) |
6683 | { | |
18019753 RL |
6684 | struct compound_hdr hdr; |
6685 | int status; | |
6686 | ||
bf269551 | 6687 | status = decode_compound_hdr(xdr, &hdr); |
18019753 | 6688 | if (!status) |
bf269551 | 6689 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
18019753 | 6690 | if (!status) |
bf269551 | 6691 | status = decode_reclaim_complete(xdr, (void *)NULL); |
18019753 RL |
6692 | return status; |
6693 | } | |
b1f69b75 | 6694 | |
7f11d8d3 AA |
6695 | /* |
6696 | * Decode GETDEVICELIST response | |
6697 | */ | |
6698 | static int nfs4_xdr_dec_getdevicelist(struct rpc_rqst *rqstp, | |
6699 | struct xdr_stream *xdr, | |
6700 | struct nfs4_getdevicelist_res *res) | |
6701 | { | |
6702 | struct compound_hdr hdr; | |
6703 | int status; | |
6704 | ||
6705 | dprintk("encoding getdevicelist!\n"); | |
6706 | ||
6707 | status = decode_compound_hdr(xdr, &hdr); | |
6708 | if (status != 0) | |
6709 | goto out; | |
6710 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6711 | if (status != 0) | |
6712 | goto out; | |
6713 | status = decode_putfh(xdr); | |
6714 | if (status != 0) | |
6715 | goto out; | |
6716 | status = decode_getdevicelist(xdr, res->devlist); | |
6717 | out: | |
6718 | return status; | |
6719 | } | |
6720 | ||
b1f69b75 AA |
6721 | /* |
6722 | * Decode GETDEVINFO response | |
6723 | */ | |
bf269551 CL |
6724 | static int nfs4_xdr_dec_getdeviceinfo(struct rpc_rqst *rqstp, |
6725 | struct xdr_stream *xdr, | |
b1f69b75 AA |
6726 | struct nfs4_getdeviceinfo_res *res) |
6727 | { | |
b1f69b75 AA |
6728 | struct compound_hdr hdr; |
6729 | int status; | |
6730 | ||
bf269551 | 6731 | status = decode_compound_hdr(xdr, &hdr); |
b1f69b75 AA |
6732 | if (status != 0) |
6733 | goto out; | |
bf269551 | 6734 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
b1f69b75 AA |
6735 | if (status != 0) |
6736 | goto out; | |
bf269551 | 6737 | status = decode_getdeviceinfo(xdr, res->pdev); |
b1f69b75 AA |
6738 | out: |
6739 | return status; | |
6740 | } | |
6741 | ||
6742 | /* | |
6743 | * Decode LAYOUTGET response | |
6744 | */ | |
bf269551 CL |
6745 | static int nfs4_xdr_dec_layoutget(struct rpc_rqst *rqstp, |
6746 | struct xdr_stream *xdr, | |
b1f69b75 AA |
6747 | struct nfs4_layoutget_res *res) |
6748 | { | |
b1f69b75 AA |
6749 | struct compound_hdr hdr; |
6750 | int status; | |
6751 | ||
bf269551 | 6752 | status = decode_compound_hdr(xdr, &hdr); |
b1f69b75 AA |
6753 | if (status) |
6754 | goto out; | |
bf269551 | 6755 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
b1f69b75 AA |
6756 | if (status) |
6757 | goto out; | |
bf269551 | 6758 | status = decode_putfh(xdr); |
b1f69b75 AA |
6759 | if (status) |
6760 | goto out; | |
bf269551 | 6761 | status = decode_layoutget(xdr, rqstp, res); |
b1f69b75 AA |
6762 | out: |
6763 | return status; | |
6764 | } | |
863a3c6c | 6765 | |
cbe82603 BH |
6766 | /* |
6767 | * Decode LAYOUTRETURN response | |
6768 | */ | |
6769 | static int nfs4_xdr_dec_layoutreturn(struct rpc_rqst *rqstp, | |
6770 | struct xdr_stream *xdr, | |
6771 | struct nfs4_layoutreturn_res *res) | |
6772 | { | |
6773 | struct compound_hdr hdr; | |
6774 | int status; | |
6775 | ||
6776 | status = decode_compound_hdr(xdr, &hdr); | |
6777 | if (status) | |
6778 | goto out; | |
6779 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6780 | if (status) | |
6781 | goto out; | |
6782 | status = decode_putfh(xdr); | |
6783 | if (status) | |
6784 | goto out; | |
6785 | status = decode_layoutreturn(xdr, res); | |
6786 | out: | |
6787 | return status; | |
6788 | } | |
6789 | ||
863a3c6c AA |
6790 | /* |
6791 | * Decode LAYOUTCOMMIT response | |
6792 | */ | |
6793 | static int nfs4_xdr_dec_layoutcommit(struct rpc_rqst *rqstp, | |
6794 | struct xdr_stream *xdr, | |
6795 | struct nfs4_layoutcommit_res *res) | |
6796 | { | |
6797 | struct compound_hdr hdr; | |
6798 | int status; | |
6799 | ||
6800 | status = decode_compound_hdr(xdr, &hdr); | |
6801 | if (status) | |
6802 | goto out; | |
6803 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6804 | if (status) | |
6805 | goto out; | |
6806 | status = decode_putfh(xdr); | |
6807 | if (status) | |
6808 | goto out; | |
6809 | status = decode_layoutcommit(xdr, rqstp, res); | |
6810 | if (status) | |
6811 | goto out; | |
6926afd1 | 6812 | decode_getfattr(xdr, res->fattr, res->server); |
863a3c6c AA |
6813 | out: |
6814 | return status; | |
6815 | } | |
fca78d6d BS |
6816 | |
6817 | /* | |
6818 | * Decode SECINFO_NO_NAME response | |
6819 | */ | |
6820 | static int nfs4_xdr_dec_secinfo_no_name(struct rpc_rqst *rqstp, | |
6821 | struct xdr_stream *xdr, | |
6822 | struct nfs4_secinfo_res *res) | |
6823 | { | |
6824 | struct compound_hdr hdr; | |
6825 | int status; | |
6826 | ||
6827 | status = decode_compound_hdr(xdr, &hdr); | |
6828 | if (status) | |
6829 | goto out; | |
6830 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6831 | if (status) | |
6832 | goto out; | |
6833 | status = decode_putrootfh(xdr); | |
6834 | if (status) | |
6835 | goto out; | |
31e4dda4 | 6836 | status = decode_secinfo_no_name(xdr, res); |
fca78d6d BS |
6837 | out: |
6838 | return status; | |
6839 | } | |
7d974794 BS |
6840 | |
6841 | /* | |
6842 | * Decode TEST_STATEID response | |
6843 | */ | |
6844 | static int nfs4_xdr_dec_test_stateid(struct rpc_rqst *rqstp, | |
6845 | struct xdr_stream *xdr, | |
6846 | struct nfs41_test_stateid_res *res) | |
6847 | { | |
6848 | struct compound_hdr hdr; | |
6849 | int status; | |
6850 | ||
6851 | status = decode_compound_hdr(xdr, &hdr); | |
6852 | if (status) | |
6853 | goto out; | |
6854 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6855 | if (status) | |
6856 | goto out; | |
6857 | status = decode_test_stateid(xdr, res); | |
6858 | out: | |
6859 | return status; | |
6860 | } | |
9aeda35f BS |
6861 | |
6862 | /* | |
6863 | * Decode FREE_STATEID response | |
6864 | */ | |
6865 | static int nfs4_xdr_dec_free_stateid(struct rpc_rqst *rqstp, | |
6866 | struct xdr_stream *xdr, | |
6867 | struct nfs41_free_stateid_res *res) | |
6868 | { | |
6869 | struct compound_hdr hdr; | |
6870 | int status; | |
6871 | ||
6872 | status = decode_compound_hdr(xdr, &hdr); | |
6873 | if (status) | |
6874 | goto out; | |
6875 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6876 | if (status) | |
6877 | goto out; | |
6878 | status = decode_free_stateid(xdr, res); | |
6879 | out: | |
6880 | return status; | |
6881 | } | |
99fe60d0 BH |
6882 | #endif /* CONFIG_NFS_V4_1 */ |
6883 | ||
573c4e1e CL |
6884 | /** |
6885 | * nfs4_decode_dirent - Decode a single NFSv4 directory entry stored in | |
6886 | * the local page cache. | |
6887 | * @xdr: XDR stream where entry resides | |
6888 | * @entry: buffer to fill in with entry data | |
6889 | * @plus: boolean indicating whether this should be a readdirplus entry | |
6890 | * | |
6891 | * Returns zero if successful, otherwise a negative errno value is | |
6892 | * returned. | |
6893 | * | |
6894 | * This function is not invoked during READDIR reply decoding, but | |
6895 | * rather whenever an application invokes the getdents(2) system call | |
6896 | * on a directory already in our cache. | |
6897 | */ | |
6898 | int nfs4_decode_dirent(struct xdr_stream *xdr, struct nfs_entry *entry, | |
6899 | int plus) | |
1da177e4 | 6900 | { |
dae100c2 | 6901 | uint32_t bitmap[3] = {0}; |
1da177e4 | 6902 | uint32_t len; |
babddc72 BS |
6903 | __be32 *p = xdr_inline_decode(xdr, 4); |
6904 | if (unlikely(!p)) | |
6905 | goto out_overflow; | |
c08e76d0 | 6906 | if (*p == xdr_zero) { |
babddc72 BS |
6907 | p = xdr_inline_decode(xdr, 4); |
6908 | if (unlikely(!p)) | |
6909 | goto out_overflow; | |
c08e76d0 | 6910 | if (*p == xdr_zero) |
573c4e1e | 6911 | return -EAGAIN; |
1da177e4 | 6912 | entry->eof = 1; |
573c4e1e | 6913 | return -EBADCOOKIE; |
1da177e4 LT |
6914 | } |
6915 | ||
babddc72 BS |
6916 | p = xdr_inline_decode(xdr, 12); |
6917 | if (unlikely(!p)) | |
6918 | goto out_overflow; | |
1da177e4 LT |
6919 | entry->prev_cookie = entry->cookie; |
6920 | p = xdr_decode_hyper(p, &entry->cookie); | |
c08e76d0 | 6921 | entry->len = be32_to_cpup(p); |
babddc72 | 6922 | |
9af8c222 | 6923 | p = xdr_inline_decode(xdr, entry->len); |
babddc72 BS |
6924 | if (unlikely(!p)) |
6925 | goto out_overflow; | |
1da177e4 | 6926 | entry->name = (const char *) p; |
1da177e4 LT |
6927 | |
6928 | /* | |
6929 | * In case the server doesn't return an inode number, | |
6930 | * we fake one here. (We don't use inode number 0, | |
6931 | * since glibc seems to choke on it...) | |
6932 | */ | |
6933 | entry->ino = 1; | |
4f082222 | 6934 | entry->fattr->valid = 0; |
1da177e4 | 6935 | |
9af8c222 TM |
6936 | if (decode_attr_bitmap(xdr, bitmap) < 0) |
6937 | goto out_overflow; | |
6938 | ||
6939 | if (decode_attr_length(xdr, &len, &p) < 0) | |
6940 | goto out_overflow; | |
6941 | ||
573c4e1e | 6942 | if (decode_getfattr_attrs(xdr, bitmap, entry->fattr, entry->fh, |
8b7e3f49 | 6943 | NULL, entry->server) < 0) |
9af8c222 | 6944 | goto out_overflow; |
28331a46 TM |
6945 | if (entry->fattr->valid & NFS_ATTR_FATTR_MOUNTED_ON_FILEID) |
6946 | entry->ino = entry->fattr->mounted_on_fileid; | |
6947 | else if (entry->fattr->valid & NFS_ATTR_FATTR_FILEID) | |
9af8c222 TM |
6948 | entry->ino = entry->fattr->fileid; |
6949 | ||
0b26a0bf TM |
6950 | entry->d_type = DT_UNKNOWN; |
6951 | if (entry->fattr->valid & NFS_ATTR_FATTR_TYPE) | |
6952 | entry->d_type = nfs_umode_to_dtype(entry->fattr->mode); | |
6953 | ||
573c4e1e | 6954 | return 0; |
babddc72 BS |
6955 | |
6956 | out_overflow: | |
6957 | print_overflow_msg(__func__, xdr); | |
573c4e1e | 6958 | return -EAGAIN; |
1da177e4 LT |
6959 | } |
6960 | ||
6961 | /* | |
6962 | * We need to translate between nfs status return values and | |
6963 | * the local errno values which may not be the same. | |
6964 | */ | |
6965 | static struct { | |
6966 | int stat; | |
6967 | int errno; | |
6968 | } nfs_errtbl[] = { | |
6969 | { NFS4_OK, 0 }, | |
856dff3d BH |
6970 | { NFS4ERR_PERM, -EPERM }, |
6971 | { NFS4ERR_NOENT, -ENOENT }, | |
6972 | { NFS4ERR_IO, -errno_NFSERR_IO}, | |
6973 | { NFS4ERR_NXIO, -ENXIO }, | |
6974 | { NFS4ERR_ACCESS, -EACCES }, | |
6975 | { NFS4ERR_EXIST, -EEXIST }, | |
6976 | { NFS4ERR_XDEV, -EXDEV }, | |
6977 | { NFS4ERR_NOTDIR, -ENOTDIR }, | |
6978 | { NFS4ERR_ISDIR, -EISDIR }, | |
6979 | { NFS4ERR_INVAL, -EINVAL }, | |
6980 | { NFS4ERR_FBIG, -EFBIG }, | |
6981 | { NFS4ERR_NOSPC, -ENOSPC }, | |
6982 | { NFS4ERR_ROFS, -EROFS }, | |
6983 | { NFS4ERR_MLINK, -EMLINK }, | |
6984 | { NFS4ERR_NAMETOOLONG, -ENAMETOOLONG }, | |
6985 | { NFS4ERR_NOTEMPTY, -ENOTEMPTY }, | |
6986 | { NFS4ERR_DQUOT, -EDQUOT }, | |
6987 | { NFS4ERR_STALE, -ESTALE }, | |
6988 | { NFS4ERR_BADHANDLE, -EBADHANDLE }, | |
856dff3d BH |
6989 | { NFS4ERR_BAD_COOKIE, -EBADCOOKIE }, |
6990 | { NFS4ERR_NOTSUPP, -ENOTSUPP }, | |
6991 | { NFS4ERR_TOOSMALL, -ETOOSMALL }, | |
fdcb4577 | 6992 | { NFS4ERR_SERVERFAULT, -EREMOTEIO }, |
856dff3d BH |
6993 | { NFS4ERR_BADTYPE, -EBADTYPE }, |
6994 | { NFS4ERR_LOCKED, -EAGAIN }, | |
856dff3d BH |
6995 | { NFS4ERR_SYMLINK, -ELOOP }, |
6996 | { NFS4ERR_OP_ILLEGAL, -EOPNOTSUPP }, | |
6997 | { NFS4ERR_DEADLOCK, -EDEADLK }, | |
856dff3d | 6998 | { -1, -EIO } |
1da177e4 LT |
6999 | }; |
7000 | ||
7001 | /* | |
7002 | * Convert an NFS error code to a local one. | |
7003 | * This one is used jointly by NFSv2 and NFSv3. | |
7004 | */ | |
7005 | static int | |
0a8ea437 | 7006 | nfs4_stat_to_errno(int stat) |
1da177e4 LT |
7007 | { |
7008 | int i; | |
7009 | for (i = 0; nfs_errtbl[i].stat != -1; i++) { | |
7010 | if (nfs_errtbl[i].stat == stat) | |
7011 | return nfs_errtbl[i].errno; | |
7012 | } | |
7013 | if (stat <= 10000 || stat > 10100) { | |
7014 | /* The server is looney tunes. */ | |
fdcb4577 | 7015 | return -EREMOTEIO; |
1da177e4 LT |
7016 | } |
7017 | /* If we cannot translate the error, the recovery routines should | |
7018 | * handle it. | |
7019 | * Note: remaining NFSv4 error codes have values > 10000, so should | |
7020 | * not conflict with native Linux error codes. | |
7021 | */ | |
856dff3d | 7022 | return -stat; |
1da177e4 LT |
7023 | } |
7024 | ||
1da177e4 LT |
7025 | #define PROC(proc, argtype, restype) \ |
7026 | [NFSPROC4_CLNT_##proc] = { \ | |
7027 | .p_proc = NFSPROC4_COMPOUND, \ | |
9f06c719 | 7028 | .p_encode = (kxdreproc_t)nfs4_xdr_##argtype, \ |
bf269551 | 7029 | .p_decode = (kxdrdproc_t)nfs4_xdr_##restype, \ |
2bea90d4 CL |
7030 | .p_arglen = NFS4_##argtype##_sz, \ |
7031 | .p_replen = NFS4_##restype##_sz, \ | |
cc0175c1 CL |
7032 | .p_statidx = NFSPROC4_CLNT_##proc, \ |
7033 | .p_name = #proc, \ | |
05d564fe | 7034 | } |
1da177e4 LT |
7035 | |
7036 | struct rpc_procinfo nfs4_procedures[] = { | |
7d93bd71 CL |
7037 | PROC(READ, enc_read, dec_read), |
7038 | PROC(WRITE, enc_write, dec_write), | |
7039 | PROC(COMMIT, enc_commit, dec_commit), | |
7040 | PROC(OPEN, enc_open, dec_open), | |
7041 | PROC(OPEN_CONFIRM, enc_open_confirm, dec_open_confirm), | |
7042 | PROC(OPEN_NOATTR, enc_open_noattr, dec_open_noattr), | |
7043 | PROC(OPEN_DOWNGRADE, enc_open_downgrade, dec_open_downgrade), | |
7044 | PROC(CLOSE, enc_close, dec_close), | |
7045 | PROC(SETATTR, enc_setattr, dec_setattr), | |
7046 | PROC(FSINFO, enc_fsinfo, dec_fsinfo), | |
7047 | PROC(RENEW, enc_renew, dec_renew), | |
7048 | PROC(SETCLIENTID, enc_setclientid, dec_setclientid), | |
7049 | PROC(SETCLIENTID_CONFIRM, enc_setclientid_confirm, dec_setclientid_confirm), | |
7050 | PROC(LOCK, enc_lock, dec_lock), | |
7051 | PROC(LOCKT, enc_lockt, dec_lockt), | |
7052 | PROC(LOCKU, enc_locku, dec_locku), | |
7053 | PROC(ACCESS, enc_access, dec_access), | |
7054 | PROC(GETATTR, enc_getattr, dec_getattr), | |
7055 | PROC(LOOKUP, enc_lookup, dec_lookup), | |
7056 | PROC(LOOKUP_ROOT, enc_lookup_root, dec_lookup_root), | |
7057 | PROC(REMOVE, enc_remove, dec_remove), | |
7058 | PROC(RENAME, enc_rename, dec_rename), | |
7059 | PROC(LINK, enc_link, dec_link), | |
7060 | PROC(SYMLINK, enc_symlink, dec_symlink), | |
7061 | PROC(CREATE, enc_create, dec_create), | |
7062 | PROC(PATHCONF, enc_pathconf, dec_pathconf), | |
7063 | PROC(STATFS, enc_statfs, dec_statfs), | |
7064 | PROC(READLINK, enc_readlink, dec_readlink), | |
7065 | PROC(READDIR, enc_readdir, dec_readdir), | |
7066 | PROC(SERVER_CAPS, enc_server_caps, dec_server_caps), | |
7067 | PROC(DELEGRETURN, enc_delegreturn, dec_delegreturn), | |
7068 | PROC(GETACL, enc_getacl, dec_getacl), | |
7069 | PROC(SETACL, enc_setacl, dec_setacl), | |
7070 | PROC(FS_LOCATIONS, enc_fs_locations, dec_fs_locations), | |
7071 | PROC(RELEASE_LOCKOWNER, enc_release_lockowner, dec_release_lockowner), | |
5a5ea0d4 | 7072 | PROC(SECINFO, enc_secinfo, dec_secinfo), |
99fe60d0 | 7073 | #if defined(CONFIG_NFS_V4_1) |
7d93bd71 CL |
7074 | PROC(EXCHANGE_ID, enc_exchange_id, dec_exchange_id), |
7075 | PROC(CREATE_SESSION, enc_create_session, dec_create_session), | |
7076 | PROC(DESTROY_SESSION, enc_destroy_session, dec_destroy_session), | |
7077 | PROC(SEQUENCE, enc_sequence, dec_sequence), | |
7078 | PROC(GET_LEASE_TIME, enc_get_lease_time, dec_get_lease_time), | |
7079 | PROC(RECLAIM_COMPLETE, enc_reclaim_complete, dec_reclaim_complete), | |
7080 | PROC(GETDEVICEINFO, enc_getdeviceinfo, dec_getdeviceinfo), | |
7081 | PROC(LAYOUTGET, enc_layoutget, dec_layoutget), | |
863a3c6c | 7082 | PROC(LAYOUTCOMMIT, enc_layoutcommit, dec_layoutcommit), |
cbe82603 | 7083 | PROC(LAYOUTRETURN, enc_layoutreturn, dec_layoutreturn), |
fca78d6d | 7084 | PROC(SECINFO_NO_NAME, enc_secinfo_no_name, dec_secinfo_no_name), |
7d974794 | 7085 | PROC(TEST_STATEID, enc_test_stateid, dec_test_stateid), |
9aeda35f | 7086 | PROC(FREE_STATEID, enc_free_stateid, dec_free_stateid), |
7f11d8d3 | 7087 | PROC(GETDEVICELIST, enc_getdevicelist, dec_getdevicelist), |
99fe60d0 | 7088 | #endif /* CONFIG_NFS_V4_1 */ |
1da177e4 LT |
7089 | }; |
7090 | ||
a613fa16 | 7091 | const struct rpc_version nfs_version4 = { |
1da177e4 | 7092 | .number = 4, |
e8c96f8c | 7093 | .nrprocs = ARRAY_SIZE(nfs4_procedures), |
1da177e4 LT |
7094 | .procs = nfs4_procedures |
7095 | }; | |
7096 | ||
7097 | /* | |
7098 | * Local variables: | |
7099 | * c-basic-offset: 8 | |
7100 | * End: | |
7101 | */ |