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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 | */ |
d035c36c TM |
77 | #define open_owner_id_maxsz (1 + 1 + 4) |
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 LT |
887 | |
888 | static void encode_string(struct xdr_stream *xdr, unsigned int len, const char *str) | |
889 | { | |
8687b63a | 890 | __be32 *p; |
1da177e4 LT |
891 | |
892 | p = xdr_reserve_space(xdr, 4 + len); | |
893 | BUG_ON(p == NULL); | |
894 | xdr_encode_opaque(p, str, len); | |
895 | } | |
896 | ||
0c4e8c18 BH |
897 | static void encode_compound_hdr(struct xdr_stream *xdr, |
898 | struct rpc_rqst *req, | |
899 | struct compound_hdr *hdr) | |
1da177e4 | 900 | { |
8687b63a | 901 | __be32 *p; |
a17c2153 | 902 | struct rpc_auth *auth = req->rq_cred->cr_auth; |
0c4e8c18 BH |
903 | |
904 | /* initialize running count of expected bytes in reply. | |
905 | * NOTE: the replied tag SHOULD be the same is the one sent, | |
906 | * but this is not required as a MUST for the server to do so. */ | |
907 | hdr->replen = RPC_REPHDRSIZE + auth->au_rslack + 3 + hdr->taglen; | |
1da177e4 LT |
908 | |
909 | dprintk("encode_compound: tag=%.*s\n", (int)hdr->taglen, hdr->tag); | |
910 | BUG_ON(hdr->taglen > NFS4_MAXTAGLEN); | |
811652bd BH |
911 | p = reserve_space(xdr, 4 + hdr->taglen + 8); |
912 | p = xdr_encode_opaque(p, hdr->tag, hdr->taglen); | |
e75bc1c8 | 913 | *p++ = cpu_to_be32(hdr->minorversion); |
d017931c | 914 | hdr->nops_p = p; |
34558513 | 915 | *p = cpu_to_be32(hdr->nops); |
d017931c AA |
916 | } |
917 | ||
918 | static void encode_nops(struct compound_hdr *hdr) | |
919 | { | |
fc931582 | 920 | BUG_ON(hdr->nops > NFS4_MAX_OPS); |
d017931c | 921 | *hdr->nops_p = htonl(hdr->nops); |
1da177e4 LT |
922 | } |
923 | ||
924 | static void encode_nfs4_verifier(struct xdr_stream *xdr, const nfs4_verifier *verf) | |
925 | { | |
8687b63a | 926 | __be32 *p; |
1da177e4 LT |
927 | |
928 | p = xdr_reserve_space(xdr, NFS4_VERIFIER_SIZE); | |
929 | BUG_ON(p == NULL); | |
930 | xdr_encode_opaque_fixed(p, verf->data, NFS4_VERIFIER_SIZE); | |
931 | } | |
932 | ||
cf8cdbe5 | 933 | static void encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const struct nfs_server *server) |
1da177e4 LT |
934 | { |
935 | char owner_name[IDMAP_NAMESZ]; | |
936 | char owner_group[IDMAP_NAMESZ]; | |
937 | int owner_namelen = 0; | |
938 | int owner_grouplen = 0; | |
8687b63a AV |
939 | __be32 *p; |
940 | __be32 *q; | |
1da177e4 LT |
941 | int len; |
942 | uint32_t bmval0 = 0; | |
943 | uint32_t bmval1 = 0; | |
1da177e4 LT |
944 | |
945 | /* | |
946 | * We reserve enough space to write the entire attribute buffer at once. | |
947 | * In the worst-case, this would be | |
948 | * 12(bitmap) + 4(attrlen) + 8(size) + 4(mode) + 4(atime) + 4(mtime) | |
949 | * = 36 bytes, plus any contribution from variable-length fields | |
23ec6965 | 950 | * such as owner/group. |
1da177e4 LT |
951 | */ |
952 | len = 16; | |
953 | ||
954 | /* Sigh */ | |
955 | if (iap->ia_valid & ATTR_SIZE) | |
956 | len += 8; | |
957 | if (iap->ia_valid & ATTR_MODE) | |
958 | len += 4; | |
959 | if (iap->ia_valid & ATTR_UID) { | |
e4fd72a1 | 960 | owner_namelen = nfs_map_uid_to_name(server, iap->ia_uid, owner_name, IDMAP_NAMESZ); |
1da177e4 | 961 | if (owner_namelen < 0) { |
fe82a183 CL |
962 | dprintk("nfs: couldn't resolve uid %d to string\n", |
963 | iap->ia_uid); | |
1da177e4 LT |
964 | /* XXX */ |
965 | strcpy(owner_name, "nobody"); | |
966 | owner_namelen = sizeof("nobody") - 1; | |
967 | /* goto out; */ | |
968 | } | |
969 | len += 4 + (XDR_QUADLEN(owner_namelen) << 2); | |
970 | } | |
971 | if (iap->ia_valid & ATTR_GID) { | |
e4fd72a1 | 972 | owner_grouplen = nfs_map_gid_to_group(server, iap->ia_gid, owner_group, IDMAP_NAMESZ); |
1da177e4 | 973 | if (owner_grouplen < 0) { |
fe82a183 CL |
974 | dprintk("nfs: couldn't resolve gid %d to string\n", |
975 | iap->ia_gid); | |
1da177e4 LT |
976 | strcpy(owner_group, "nobody"); |
977 | owner_grouplen = sizeof("nobody") - 1; | |
978 | /* goto out; */ | |
979 | } | |
980 | len += 4 + (XDR_QUADLEN(owner_grouplen) << 2); | |
981 | } | |
982 | if (iap->ia_valid & ATTR_ATIME_SET) | |
983 | len += 16; | |
984 | else if (iap->ia_valid & ATTR_ATIME) | |
985 | len += 4; | |
986 | if (iap->ia_valid & ATTR_MTIME_SET) | |
987 | len += 16; | |
988 | else if (iap->ia_valid & ATTR_MTIME) | |
989 | len += 4; | |
13c65ce9 | 990 | p = reserve_space(xdr, len); |
1da177e4 LT |
991 | |
992 | /* | |
993 | * We write the bitmap length now, but leave the bitmap and the attribute | |
994 | * buffer length to be backfilled at the end of this routine. | |
995 | */ | |
e75bc1c8 | 996 | *p++ = cpu_to_be32(2); |
1da177e4 LT |
997 | q = p; |
998 | p += 3; | |
999 | ||
1000 | if (iap->ia_valid & ATTR_SIZE) { | |
1001 | bmval0 |= FATTR4_WORD0_SIZE; | |
b95be5a9 | 1002 | p = xdr_encode_hyper(p, iap->ia_size); |
1da177e4 LT |
1003 | } |
1004 | if (iap->ia_valid & ATTR_MODE) { | |
1005 | bmval1 |= FATTR4_WORD1_MODE; | |
e75bc1c8 | 1006 | *p++ = cpu_to_be32(iap->ia_mode & S_IALLUGO); |
1da177e4 LT |
1007 | } |
1008 | if (iap->ia_valid & ATTR_UID) { | |
1009 | bmval1 |= FATTR4_WORD1_OWNER; | |
811652bd | 1010 | p = xdr_encode_opaque(p, owner_name, owner_namelen); |
1da177e4 LT |
1011 | } |
1012 | if (iap->ia_valid & ATTR_GID) { | |
1013 | bmval1 |= FATTR4_WORD1_OWNER_GROUP; | |
811652bd | 1014 | p = xdr_encode_opaque(p, owner_group, owner_grouplen); |
1da177e4 LT |
1015 | } |
1016 | if (iap->ia_valid & ATTR_ATIME_SET) { | |
1017 | bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET; | |
e75bc1c8 BH |
1018 | *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); |
1019 | *p++ = cpu_to_be32(0); | |
d3f6baaa TM |
1020 | *p++ = cpu_to_be32(iap->ia_atime.tv_sec); |
1021 | *p++ = cpu_to_be32(iap->ia_atime.tv_nsec); | |
1da177e4 LT |
1022 | } |
1023 | else if (iap->ia_valid & ATTR_ATIME) { | |
1024 | bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET; | |
e75bc1c8 | 1025 | *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); |
1da177e4 LT |
1026 | } |
1027 | if (iap->ia_valid & ATTR_MTIME_SET) { | |
1028 | bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET; | |
e75bc1c8 BH |
1029 | *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); |
1030 | *p++ = cpu_to_be32(0); | |
1031 | *p++ = cpu_to_be32(iap->ia_mtime.tv_sec); | |
1032 | *p++ = cpu_to_be32(iap->ia_mtime.tv_nsec); | |
1da177e4 LT |
1033 | } |
1034 | else if (iap->ia_valid & ATTR_MTIME) { | |
1035 | bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET; | |
e75bc1c8 | 1036 | *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); |
1da177e4 | 1037 | } |
6c0195a4 | 1038 | |
1da177e4 LT |
1039 | /* |
1040 | * Now we backfill the bitmap and the attribute buffer length. | |
1041 | */ | |
1042 | if (len != ((char *)p - (char *)q) + 4) { | |
f9fd2d9c | 1043 | printk(KERN_ERR "NFS: Attr length error, %u != %Zu\n", |
1da177e4 LT |
1044 | len, ((char *)p - (char *)q) + 4); |
1045 | BUG(); | |
1046 | } | |
1047 | len = (char *)p - (char *)q - 12; | |
1048 | *q++ = htonl(bmval0); | |
1049 | *q++ = htonl(bmval1); | |
34558513 | 1050 | *q = htonl(len); |
1da177e4 | 1051 | |
1da177e4 | 1052 | /* out: */ |
1da177e4 LT |
1053 | } |
1054 | ||
cf8cdbe5 | 1055 | static void encode_access(struct xdr_stream *xdr, u32 access, struct compound_hdr *hdr) |
1da177e4 | 1056 | { |
8687b63a | 1057 | __be32 *p; |
1da177e4 | 1058 | |
13c65ce9 | 1059 | p = reserve_space(xdr, 8); |
e75bc1c8 | 1060 | *p++ = cpu_to_be32(OP_ACCESS); |
34558513 | 1061 | *p = cpu_to_be32(access); |
d017931c | 1062 | hdr->nops++; |
dadf0c27 | 1063 | hdr->replen += decode_access_maxsz; |
1da177e4 LT |
1064 | } |
1065 | ||
cf8cdbe5 | 1066 | static void encode_close(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1067 | { |
8687b63a | 1068 | __be32 *p; |
1da177e4 | 1069 | |
13c65ce9 | 1070 | p = reserve_space(xdr, 8+NFS4_STATEID_SIZE); |
e75bc1c8 BH |
1071 | *p++ = cpu_to_be32(OP_CLOSE); |
1072 | *p++ = cpu_to_be32(arg->seqid->sequence->counter); | |
34558513 | 1073 | xdr_encode_opaque_fixed(p, arg->stateid->data, NFS4_STATEID_SIZE); |
d017931c | 1074 | hdr->nops++; |
dadf0c27 | 1075 | hdr->replen += decode_close_maxsz; |
1da177e4 LT |
1076 | } |
1077 | ||
cf8cdbe5 | 1078 | static void encode_commit(struct xdr_stream *xdr, const struct nfs_writeargs *args, struct compound_hdr *hdr) |
1da177e4 | 1079 | { |
8687b63a | 1080 | __be32 *p; |
6c0195a4 | 1081 | |
13c65ce9 | 1082 | p = reserve_space(xdr, 16); |
e75bc1c8 | 1083 | *p++ = cpu_to_be32(OP_COMMIT); |
b95be5a9 | 1084 | p = xdr_encode_hyper(p, args->offset); |
34558513 | 1085 | *p = cpu_to_be32(args->count); |
d017931c | 1086 | hdr->nops++; |
dadf0c27 | 1087 | hdr->replen += decode_commit_maxsz; |
1da177e4 LT |
1088 | } |
1089 | ||
cf8cdbe5 | 1090 | static void encode_create(struct xdr_stream *xdr, const struct nfs4_create_arg *create, struct compound_hdr *hdr) |
1da177e4 | 1091 | { |
8687b63a | 1092 | __be32 *p; |
6c0195a4 | 1093 | |
13c65ce9 | 1094 | p = reserve_space(xdr, 8); |
e75bc1c8 | 1095 | *p++ = cpu_to_be32(OP_CREATE); |
34558513 | 1096 | *p = cpu_to_be32(create->ftype); |
1da177e4 LT |
1097 | |
1098 | switch (create->ftype) { | |
1099 | case NF4LNK: | |
13c65ce9 | 1100 | p = reserve_space(xdr, 4); |
34558513 | 1101 | *p = cpu_to_be32(create->u.symlink.len); |
94a6d753 | 1102 | xdr_write_pages(xdr, create->u.symlink.pages, 0, create->u.symlink.len); |
1da177e4 LT |
1103 | break; |
1104 | ||
1105 | case NF4BLK: case NF4CHR: | |
13c65ce9 | 1106 | p = reserve_space(xdr, 8); |
e75bc1c8 | 1107 | *p++ = cpu_to_be32(create->u.device.specdata1); |
34558513 | 1108 | *p = cpu_to_be32(create->u.device.specdata2); |
1da177e4 LT |
1109 | break; |
1110 | ||
1111 | default: | |
1112 | break; | |
1113 | } | |
1114 | ||
811652bd | 1115 | encode_string(xdr, create->name->len, create->name->name); |
d017931c | 1116 | hdr->nops++; |
dadf0c27 | 1117 | hdr->replen += decode_create_maxsz; |
1da177e4 | 1118 | |
cf8cdbe5 | 1119 | encode_attrs(xdr, create->attrs, create->server); |
1da177e4 LT |
1120 | } |
1121 | ||
cf8cdbe5 | 1122 | static void encode_getattr_one(struct xdr_stream *xdr, uint32_t bitmap, struct compound_hdr *hdr) |
1da177e4 | 1123 | { |
05d564fe | 1124 | __be32 *p; |
1da177e4 | 1125 | |
13c65ce9 | 1126 | p = reserve_space(xdr, 12); |
e75bc1c8 BH |
1127 | *p++ = cpu_to_be32(OP_GETATTR); |
1128 | *p++ = cpu_to_be32(1); | |
34558513 | 1129 | *p = cpu_to_be32(bitmap); |
d017931c | 1130 | hdr->nops++; |
dadf0c27 | 1131 | hdr->replen += decode_getattr_maxsz; |
1da177e4 LT |
1132 | } |
1133 | ||
cf8cdbe5 | 1134 | static void encode_getattr_two(struct xdr_stream *xdr, uint32_t bm0, uint32_t bm1, struct compound_hdr *hdr) |
1da177e4 | 1135 | { |
05d564fe | 1136 | __be32 *p; |
1da177e4 | 1137 | |
13c65ce9 | 1138 | p = reserve_space(xdr, 16); |
e75bc1c8 BH |
1139 | *p++ = cpu_to_be32(OP_GETATTR); |
1140 | *p++ = cpu_to_be32(2); | |
1141 | *p++ = cpu_to_be32(bm0); | |
34558513 | 1142 | *p = cpu_to_be32(bm1); |
d017931c | 1143 | hdr->nops++; |
dadf0c27 | 1144 | hdr->replen += decode_getattr_maxsz; |
1da177e4 LT |
1145 | } |
1146 | ||
dae100c2 FI |
1147 | static void |
1148 | encode_getattr_three(struct xdr_stream *xdr, | |
1149 | uint32_t bm0, uint32_t bm1, uint32_t bm2, | |
1150 | struct compound_hdr *hdr) | |
1151 | { | |
1152 | __be32 *p; | |
1153 | ||
1154 | p = reserve_space(xdr, 4); | |
1155 | *p = cpu_to_be32(OP_GETATTR); | |
1156 | if (bm2) { | |
1157 | p = reserve_space(xdr, 16); | |
1158 | *p++ = cpu_to_be32(3); | |
1159 | *p++ = cpu_to_be32(bm0); | |
1160 | *p++ = cpu_to_be32(bm1); | |
1161 | *p = cpu_to_be32(bm2); | |
1162 | } else if (bm1) { | |
1163 | p = reserve_space(xdr, 12); | |
1164 | *p++ = cpu_to_be32(2); | |
1165 | *p++ = cpu_to_be32(bm0); | |
1166 | *p = cpu_to_be32(bm1); | |
1167 | } else { | |
1168 | p = reserve_space(xdr, 8); | |
1169 | *p++ = cpu_to_be32(1); | |
1170 | *p = cpu_to_be32(bm0); | |
1171 | } | |
1172 | hdr->nops++; | |
1173 | hdr->replen += decode_getattr_maxsz; | |
1174 | } | |
1175 | ||
cf8cdbe5 | 1176 | static void encode_getfattr(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
1da177e4 | 1177 | { |
cf8cdbe5 AA |
1178 | encode_getattr_two(xdr, bitmask[0] & nfs4_fattr_bitmap[0], |
1179 | bitmask[1] & nfs4_fattr_bitmap[1], hdr); | |
1da177e4 LT |
1180 | } |
1181 | ||
cf8cdbe5 | 1182 | static void encode_fsinfo(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
1da177e4 | 1183 | { |
dae100c2 FI |
1184 | encode_getattr_three(xdr, |
1185 | bitmask[0] & nfs4_fsinfo_bitmap[0], | |
1186 | bitmask[1] & nfs4_fsinfo_bitmap[1], | |
1187 | bitmask[2] & nfs4_fsinfo_bitmap[2], | |
1188 | hdr); | |
1da177e4 LT |
1189 | } |
1190 | ||
cf8cdbe5 | 1191 | static void encode_fs_locations(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
830b8e33 | 1192 | { |
cf8cdbe5 AA |
1193 | encode_getattr_two(xdr, bitmask[0] & nfs4_fs_locations_bitmap[0], |
1194 | bitmask[1] & nfs4_fs_locations_bitmap[1], hdr); | |
830b8e33 MN |
1195 | } |
1196 | ||
cf8cdbe5 | 1197 | static void encode_getfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1198 | { |
8687b63a | 1199 | __be32 *p; |
1da177e4 | 1200 | |
13c65ce9 | 1201 | p = reserve_space(xdr, 4); |
34558513 | 1202 | *p = cpu_to_be32(OP_GETFH); |
d017931c | 1203 | hdr->nops++; |
dadf0c27 | 1204 | hdr->replen += decode_getfh_maxsz; |
1da177e4 LT |
1205 | } |
1206 | ||
cf8cdbe5 | 1207 | static void encode_link(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1208 | { |
8687b63a | 1209 | __be32 *p; |
1da177e4 | 1210 | |
13c65ce9 | 1211 | p = reserve_space(xdr, 8 + name->len); |
e75bc1c8 | 1212 | *p++ = cpu_to_be32(OP_LINK); |
811652bd | 1213 | xdr_encode_opaque(p, name->name, name->len); |
d017931c | 1214 | hdr->nops++; |
dadf0c27 | 1215 | hdr->replen += decode_link_maxsz; |
1da177e4 LT |
1216 | } |
1217 | ||
911d1aaf TM |
1218 | static inline int nfs4_lock_type(struct file_lock *fl, int block) |
1219 | { | |
1220 | if ((fl->fl_type & (F_RDLCK|F_WRLCK|F_UNLCK)) == F_RDLCK) | |
1221 | return block ? NFS4_READW_LT : NFS4_READ_LT; | |
1222 | return block ? NFS4_WRITEW_LT : NFS4_WRITE_LT; | |
1223 | } | |
1224 | ||
1225 | static inline uint64_t nfs4_lock_length(struct file_lock *fl) | |
1226 | { | |
1227 | if (fl->fl_end == OFFSET_MAX) | |
1228 | return ~(uint64_t)0; | |
1229 | return fl->fl_end - fl->fl_start + 1; | |
1230 | } | |
1231 | ||
daccbded TM |
1232 | static void encode_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner) |
1233 | { | |
1234 | __be32 *p; | |
1235 | ||
d035c36c | 1236 | p = reserve_space(xdr, 32); |
daccbded | 1237 | p = xdr_encode_hyper(p, lowner->clientid); |
d035c36c | 1238 | *p++ = cpu_to_be32(20); |
daccbded | 1239 | p = xdr_encode_opaque_fixed(p, "lock id:", 8); |
d035c36c | 1240 | *p++ = cpu_to_be32(lowner->s_dev); |
daccbded TM |
1241 | xdr_encode_hyper(p, lowner->id); |
1242 | } | |
1243 | ||
1da177e4 LT |
1244 | /* |
1245 | * opcode,type,reclaim,offset,length,new_lock_owner = 32 | |
1246 | * open_seqid,open_stateid,lock_seqid,lock_owner.clientid, lock_owner.id = 40 | |
1247 | */ | |
cf8cdbe5 | 1248 | static void encode_lock(struct xdr_stream *xdr, const struct nfs_lock_args *args, struct compound_hdr *hdr) |
1da177e4 | 1249 | { |
8687b63a | 1250 | __be32 *p; |
1da177e4 | 1251 | |
13c65ce9 | 1252 | p = reserve_space(xdr, 32); |
e75bc1c8 BH |
1253 | *p++ = cpu_to_be32(OP_LOCK); |
1254 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, args->block)); | |
1255 | *p++ = cpu_to_be32(args->reclaim); | |
b95be5a9 BH |
1256 | p = xdr_encode_hyper(p, args->fl->fl_start); |
1257 | p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); | |
34558513 | 1258 | *p = cpu_to_be32(args->new_lock_owner); |
911d1aaf | 1259 | if (args->new_lock_owner){ |
daccbded | 1260 | p = reserve_space(xdr, 4+NFS4_STATEID_SIZE+4); |
e75bc1c8 | 1261 | *p++ = cpu_to_be32(args->open_seqid->sequence->counter); |
93f0cf25 | 1262 | p = xdr_encode_opaque_fixed(p, args->open_stateid->data, NFS4_STATEID_SIZE); |
e75bc1c8 | 1263 | *p++ = cpu_to_be32(args->lock_seqid->sequence->counter); |
daccbded | 1264 | encode_lockowner(xdr, &args->lock_owner); |
1da177e4 LT |
1265 | } |
1266 | else { | |
13c65ce9 | 1267 | p = reserve_space(xdr, NFS4_STATEID_SIZE+4); |
93f0cf25 | 1268 | p = xdr_encode_opaque_fixed(p, args->lock_stateid->data, NFS4_STATEID_SIZE); |
34558513 | 1269 | *p = cpu_to_be32(args->lock_seqid->sequence->counter); |
1da177e4 | 1270 | } |
d017931c | 1271 | hdr->nops++; |
dadf0c27 | 1272 | hdr->replen += decode_lock_maxsz; |
1da177e4 LT |
1273 | } |
1274 | ||
cf8cdbe5 | 1275 | static void encode_lockt(struct xdr_stream *xdr, const struct nfs_lockt_args *args, struct compound_hdr *hdr) |
1da177e4 | 1276 | { |
8687b63a | 1277 | __be32 *p; |
1da177e4 | 1278 | |
daccbded | 1279 | p = reserve_space(xdr, 24); |
e75bc1c8 BH |
1280 | *p++ = cpu_to_be32(OP_LOCKT); |
1281 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, 0)); | |
b95be5a9 BH |
1282 | p = xdr_encode_hyper(p, args->fl->fl_start); |
1283 | p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); | |
daccbded | 1284 | encode_lockowner(xdr, &args->lock_owner); |
d017931c | 1285 | hdr->nops++; |
dadf0c27 | 1286 | hdr->replen += decode_lockt_maxsz; |
1da177e4 LT |
1287 | } |
1288 | ||
cf8cdbe5 | 1289 | static void encode_locku(struct xdr_stream *xdr, const struct nfs_locku_args *args, struct compound_hdr *hdr) |
1da177e4 | 1290 | { |
8687b63a | 1291 | __be32 *p; |
1da177e4 | 1292 | |
13c65ce9 | 1293 | p = reserve_space(xdr, 12+NFS4_STATEID_SIZE+16); |
e75bc1c8 BH |
1294 | *p++ = cpu_to_be32(OP_LOCKU); |
1295 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, 0)); | |
1296 | *p++ = cpu_to_be32(args->seqid->sequence->counter); | |
93f0cf25 | 1297 | p = xdr_encode_opaque_fixed(p, args->stateid->data, NFS4_STATEID_SIZE); |
b95be5a9 | 1298 | p = xdr_encode_hyper(p, args->fl->fl_start); |
34558513 | 1299 | xdr_encode_hyper(p, nfs4_lock_length(args->fl)); |
d017931c | 1300 | hdr->nops++; |
dadf0c27 | 1301 | hdr->replen += decode_locku_maxsz; |
1da177e4 LT |
1302 | } |
1303 | ||
d3c7b7cc TM |
1304 | static void encode_release_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner, struct compound_hdr *hdr) |
1305 | { | |
1306 | __be32 *p; | |
1307 | ||
1308 | p = reserve_space(xdr, 4); | |
1309 | *p = cpu_to_be32(OP_RELEASE_LOCKOWNER); | |
1310 | encode_lockowner(xdr, lowner); | |
1311 | hdr->nops++; | |
1312 | hdr->replen += decode_release_lockowner_maxsz; | |
1313 | } | |
1314 | ||
cf8cdbe5 | 1315 | static void encode_lookup(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 LT |
1316 | { |
1317 | int len = name->len; | |
8687b63a | 1318 | __be32 *p; |
1da177e4 | 1319 | |
13c65ce9 | 1320 | p = reserve_space(xdr, 8 + len); |
e75bc1c8 | 1321 | *p++ = cpu_to_be32(OP_LOOKUP); |
811652bd | 1322 | xdr_encode_opaque(p, name->name, len); |
d017931c | 1323 | hdr->nops++; |
dadf0c27 | 1324 | hdr->replen += decode_lookup_maxsz; |
1da177e4 LT |
1325 | } |
1326 | ||
dc0b027d | 1327 | static void encode_share_access(struct xdr_stream *xdr, fmode_t fmode) |
1da177e4 | 1328 | { |
8687b63a | 1329 | __be32 *p; |
1da177e4 | 1330 | |
13c65ce9 | 1331 | p = reserve_space(xdr, 8); |
dc0b027d | 1332 | switch (fmode & (FMODE_READ|FMODE_WRITE)) { |
05d564fe | 1333 | case FMODE_READ: |
e75bc1c8 | 1334 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_READ); |
05d564fe AA |
1335 | break; |
1336 | case FMODE_WRITE: | |
e75bc1c8 | 1337 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_WRITE); |
05d564fe AA |
1338 | break; |
1339 | case FMODE_READ|FMODE_WRITE: | |
e75bc1c8 | 1340 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_BOTH); |
05d564fe AA |
1341 | break; |
1342 | default: | |
e75bc1c8 | 1343 | *p++ = cpu_to_be32(0); |
1da177e4 | 1344 | } |
34558513 | 1345 | *p = cpu_to_be32(0); /* for linux, share_deny = 0 always */ |
1da177e4 LT |
1346 | } |
1347 | ||
1348 | static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1349 | { | |
8687b63a | 1350 | __be32 *p; |
1da177e4 LT |
1351 | /* |
1352 | * opcode 4, seqid 4, share_access 4, share_deny 4, clientid 8, ownerlen 4, | |
1353 | * owner 4 = 32 | |
1354 | */ | |
13c65ce9 | 1355 | p = reserve_space(xdr, 8); |
e75bc1c8 | 1356 | *p++ = cpu_to_be32(OP_OPEN); |
34558513 | 1357 | *p = cpu_to_be32(arg->seqid->sequence->counter); |
dc0b027d | 1358 | encode_share_access(xdr, arg->fmode); |
d035c36c | 1359 | p = reserve_space(xdr, 32); |
b95be5a9 | 1360 | p = xdr_encode_hyper(p, arg->clientid); |
d035c36c | 1361 | *p++ = cpu_to_be32(20); |
93f0cf25 | 1362 | p = xdr_encode_opaque_fixed(p, "open id:", 8); |
d035c36c | 1363 | *p++ = cpu_to_be32(arg->server->s_dev); |
34558513 | 1364 | xdr_encode_hyper(p, arg->id); |
1da177e4 LT |
1365 | } |
1366 | ||
1367 | static inline void encode_createmode(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1368 | { | |
8687b63a | 1369 | __be32 *p; |
4882ef72 | 1370 | struct nfs_client *clp; |
1da177e4 | 1371 | |
13c65ce9 | 1372 | p = reserve_space(xdr, 4); |
1da177e4 | 1373 | switch(arg->open_flags & O_EXCL) { |
05d564fe | 1374 | case 0: |
34558513 | 1375 | *p = cpu_to_be32(NFS4_CREATE_UNCHECKED); |
05d564fe AA |
1376 | encode_attrs(xdr, arg->u.attrs, arg->server); |
1377 | break; | |
1378 | default: | |
4882ef72 | 1379 | clp = arg->server->nfs_client; |
a4432345 | 1380 | if (clp->cl_mvops->minor_version > 0) { |
4882ef72 AB |
1381 | if (nfs4_has_persistent_session(clp)) { |
1382 | *p = cpu_to_be32(NFS4_CREATE_GUARDED); | |
1383 | encode_attrs(xdr, arg->u.attrs, arg->server); | |
1384 | } else { | |
1385 | struct iattr dummy; | |
1386 | ||
1387 | *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE4_1); | |
1388 | encode_nfs4_verifier(xdr, &arg->u.verifier); | |
1389 | dummy.ia_valid = 0; | |
1390 | encode_attrs(xdr, &dummy, arg->server); | |
1391 | } | |
1392 | } else { | |
1393 | *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE); | |
1394 | encode_nfs4_verifier(xdr, &arg->u.verifier); | |
1395 | } | |
1da177e4 LT |
1396 | } |
1397 | } | |
1398 | ||
1399 | static void encode_opentype(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1400 | { | |
8687b63a | 1401 | __be32 *p; |
1da177e4 | 1402 | |
13c65ce9 | 1403 | p = reserve_space(xdr, 4); |
1da177e4 | 1404 | switch (arg->open_flags & O_CREAT) { |
05d564fe | 1405 | case 0: |
34558513 | 1406 | *p = cpu_to_be32(NFS4_OPEN_NOCREATE); |
05d564fe AA |
1407 | break; |
1408 | default: | |
1409 | BUG_ON(arg->claim != NFS4_OPEN_CLAIM_NULL); | |
34558513 | 1410 | *p = cpu_to_be32(NFS4_OPEN_CREATE); |
05d564fe | 1411 | encode_createmode(xdr, arg); |
1da177e4 LT |
1412 | } |
1413 | } | |
1414 | ||
bd7bf9d5 | 1415 | static inline void encode_delegation_type(struct xdr_stream *xdr, fmode_t delegation_type) |
1da177e4 | 1416 | { |
8687b63a | 1417 | __be32 *p; |
1da177e4 | 1418 | |
13c65ce9 | 1419 | p = reserve_space(xdr, 4); |
1da177e4 | 1420 | switch (delegation_type) { |
05d564fe | 1421 | case 0: |
34558513 | 1422 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_NONE); |
05d564fe AA |
1423 | break; |
1424 | case FMODE_READ: | |
34558513 | 1425 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_READ); |
05d564fe AA |
1426 | break; |
1427 | case FMODE_WRITE|FMODE_READ: | |
34558513 | 1428 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_WRITE); |
05d564fe AA |
1429 | break; |
1430 | default: | |
1431 | BUG(); | |
1da177e4 LT |
1432 | } |
1433 | } | |
1434 | ||
1435 | static inline void encode_claim_null(struct xdr_stream *xdr, const struct qstr *name) | |
1436 | { | |
8687b63a | 1437 | __be32 *p; |
1da177e4 | 1438 | |
13c65ce9 | 1439 | p = reserve_space(xdr, 4); |
34558513 | 1440 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_NULL); |
1da177e4 LT |
1441 | encode_string(xdr, name->len, name->name); |
1442 | } | |
1443 | ||
bd7bf9d5 | 1444 | static inline void encode_claim_previous(struct xdr_stream *xdr, fmode_t type) |
1da177e4 | 1445 | { |
8687b63a | 1446 | __be32 *p; |
1da177e4 | 1447 | |
13c65ce9 | 1448 | p = reserve_space(xdr, 4); |
34558513 | 1449 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_PREVIOUS); |
1da177e4 LT |
1450 | encode_delegation_type(xdr, type); |
1451 | } | |
1452 | ||
1453 | static inline void encode_claim_delegate_cur(struct xdr_stream *xdr, const struct qstr *name, const nfs4_stateid *stateid) | |
1454 | { | |
8687b63a | 1455 | __be32 *p; |
1da177e4 | 1456 | |
13c65ce9 | 1457 | p = reserve_space(xdr, 4+NFS4_STATEID_SIZE); |
e75bc1c8 | 1458 | *p++ = cpu_to_be32(NFS4_OPEN_CLAIM_DELEGATE_CUR); |
34558513 | 1459 | xdr_encode_opaque_fixed(p, stateid->data, NFS4_STATEID_SIZE); |
1da177e4 LT |
1460 | encode_string(xdr, name->len, name->name); |
1461 | } | |
1462 | ||
cf8cdbe5 | 1463 | static void encode_open(struct xdr_stream *xdr, const struct nfs_openargs *arg, struct compound_hdr *hdr) |
1da177e4 LT |
1464 | { |
1465 | encode_openhdr(xdr, arg); | |
1466 | encode_opentype(xdr, arg); | |
1467 | switch (arg->claim) { | |
05d564fe AA |
1468 | case NFS4_OPEN_CLAIM_NULL: |
1469 | encode_claim_null(xdr, arg->name); | |
1470 | break; | |
1471 | case NFS4_OPEN_CLAIM_PREVIOUS: | |
1472 | encode_claim_previous(xdr, arg->u.delegation_type); | |
1473 | break; | |
1474 | case NFS4_OPEN_CLAIM_DELEGATE_CUR: | |
1475 | encode_claim_delegate_cur(xdr, arg->name, &arg->u.delegation); | |
1476 | break; | |
1477 | default: | |
1478 | BUG(); | |
1da177e4 | 1479 | } |
d017931c | 1480 | hdr->nops++; |
dadf0c27 | 1481 | hdr->replen += decode_open_maxsz; |
1da177e4 LT |
1482 | } |
1483 | ||
cf8cdbe5 | 1484 | static void encode_open_confirm(struct xdr_stream *xdr, const struct nfs_open_confirmargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1485 | { |
8687b63a | 1486 | __be32 *p; |
1da177e4 | 1487 | |
13c65ce9 | 1488 | p = reserve_space(xdr, 4+NFS4_STATEID_SIZE+4); |
e75bc1c8 | 1489 | *p++ = cpu_to_be32(OP_OPEN_CONFIRM); |
93f0cf25 | 1490 | p = xdr_encode_opaque_fixed(p, arg->stateid->data, NFS4_STATEID_SIZE); |
34558513 | 1491 | *p = cpu_to_be32(arg->seqid->sequence->counter); |
d017931c | 1492 | hdr->nops++; |
dadf0c27 | 1493 | hdr->replen += decode_open_confirm_maxsz; |
1da177e4 LT |
1494 | } |
1495 | ||
cf8cdbe5 | 1496 | static void encode_open_downgrade(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1497 | { |
8687b63a | 1498 | __be32 *p; |
1da177e4 | 1499 | |
13c65ce9 | 1500 | p = reserve_space(xdr, 4+NFS4_STATEID_SIZE+4); |
e75bc1c8 | 1501 | *p++ = cpu_to_be32(OP_OPEN_DOWNGRADE); |
93f0cf25 | 1502 | p = xdr_encode_opaque_fixed(p, arg->stateid->data, NFS4_STATEID_SIZE); |
34558513 | 1503 | *p = cpu_to_be32(arg->seqid->sequence->counter); |
dc0b027d | 1504 | encode_share_access(xdr, arg->fmode); |
d017931c | 1505 | hdr->nops++; |
dadf0c27 | 1506 | hdr->replen += decode_open_downgrade_maxsz; |
1da177e4 LT |
1507 | } |
1508 | ||
cf8cdbe5 | 1509 | static void |
d017931c | 1510 | encode_putfh(struct xdr_stream *xdr, const struct nfs_fh *fh, struct compound_hdr *hdr) |
1da177e4 LT |
1511 | { |
1512 | int len = fh->size; | |
8687b63a | 1513 | __be32 *p; |
1da177e4 | 1514 | |
13c65ce9 | 1515 | p = reserve_space(xdr, 8 + len); |
e75bc1c8 | 1516 | *p++ = cpu_to_be32(OP_PUTFH); |
811652bd | 1517 | xdr_encode_opaque(p, fh->data, len); |
d017931c | 1518 | hdr->nops++; |
dadf0c27 | 1519 | hdr->replen += decode_putfh_maxsz; |
1da177e4 LT |
1520 | } |
1521 | ||
cf8cdbe5 | 1522 | static void encode_putrootfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1523 | { |
05d564fe | 1524 | __be32 *p; |
6c0195a4 | 1525 | |
13c65ce9 | 1526 | p = reserve_space(xdr, 4); |
34558513 | 1527 | *p = cpu_to_be32(OP_PUTROOTFH); |
d017931c | 1528 | hdr->nops++; |
dadf0c27 | 1529 | hdr->replen += decode_putrootfh_maxsz; |
1da177e4 LT |
1530 | } |
1531 | ||
89d1ea65 | 1532 | static void encode_stateid(struct xdr_stream *xdr, const struct nfs_open_context *ctx, const struct nfs_lock_context *l_ctx, int zero_seqid) |
1da177e4 | 1533 | { |
1da177e4 | 1534 | nfs4_stateid stateid; |
8687b63a | 1535 | __be32 *p; |
1da177e4 | 1536 | |
13c65ce9 | 1537 | p = reserve_space(xdr, NFS4_STATEID_SIZE); |
1da177e4 | 1538 | if (ctx->state != NULL) { |
77041ed9 | 1539 | nfs4_copy_stateid(&stateid, ctx->state, l_ctx->lockowner, l_ctx->pid); |
89d1ea65 AA |
1540 | if (zero_seqid) |
1541 | stateid.stateid.seqid = 0; | |
34558513 | 1542 | xdr_encode_opaque_fixed(p, stateid.data, NFS4_STATEID_SIZE); |
1da177e4 | 1543 | } else |
34558513 | 1544 | xdr_encode_opaque_fixed(p, zero_stateid.data, NFS4_STATEID_SIZE); |
1da177e4 LT |
1545 | } |
1546 | ||
cf8cdbe5 | 1547 | static void encode_read(struct xdr_stream *xdr, const struct nfs_readargs *args, struct compound_hdr *hdr) |
1da177e4 | 1548 | { |
8687b63a | 1549 | __be32 *p; |
1da177e4 | 1550 | |
13c65ce9 | 1551 | p = reserve_space(xdr, 4); |
34558513 | 1552 | *p = cpu_to_be32(OP_READ); |
1da177e4 | 1553 | |
89d1ea65 AA |
1554 | encode_stateid(xdr, args->context, args->lock_context, |
1555 | hdr->minorversion); | |
1da177e4 | 1556 | |
13c65ce9 | 1557 | p = reserve_space(xdr, 12); |
b95be5a9 | 1558 | p = xdr_encode_hyper(p, args->offset); |
34558513 | 1559 | *p = cpu_to_be32(args->count); |
d017931c | 1560 | hdr->nops++; |
dadf0c27 | 1561 | hdr->replen += decode_read_maxsz; |
1da177e4 LT |
1562 | } |
1563 | ||
cf8cdbe5 | 1564 | static void encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg *readdir, struct rpc_rqst *req, struct compound_hdr *hdr) |
1da177e4 | 1565 | { |
28331a46 TM |
1566 | uint32_t attrs[2] = { |
1567 | FATTR4_WORD0_RDATTR_ERROR, | |
1568 | FATTR4_WORD1_MOUNTED_ON_FILEID, | |
1569 | }; | |
6f7a35bd | 1570 | uint32_t dircount = readdir->count >> 1; |
8687b63a | 1571 | __be32 *p; |
1da177e4 | 1572 | |
82f2e547 BS |
1573 | if (readdir->plus) { |
1574 | attrs[0] |= FATTR4_WORD0_TYPE|FATTR4_WORD0_CHANGE|FATTR4_WORD0_SIZE| | |
28331a46 | 1575 | FATTR4_WORD0_FSID|FATTR4_WORD0_FILEHANDLE|FATTR4_WORD0_FILEID; |
82f2e547 BS |
1576 | attrs[1] |= FATTR4_WORD1_MODE|FATTR4_WORD1_NUMLINKS|FATTR4_WORD1_OWNER| |
1577 | FATTR4_WORD1_OWNER_GROUP|FATTR4_WORD1_RAWDEV| | |
1578 | FATTR4_WORD1_SPACE_USED|FATTR4_WORD1_TIME_ACCESS| | |
1579 | FATTR4_WORD1_TIME_METADATA|FATTR4_WORD1_TIME_MODIFY; | |
6f7a35bd | 1580 | dircount >>= 1; |
82f2e547 | 1581 | } |
28331a46 TM |
1582 | /* Use mounted_on_fileid only if the server supports it */ |
1583 | if (!(readdir->bitmask[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) | |
1584 | attrs[0] |= FATTR4_WORD0_FILEID; | |
82f2e547 | 1585 | |
13c65ce9 | 1586 | p = reserve_space(xdr, 12+NFS4_VERIFIER_SIZE+20); |
e75bc1c8 | 1587 | *p++ = cpu_to_be32(OP_READDIR); |
b95be5a9 | 1588 | p = xdr_encode_hyper(p, readdir->cookie); |
93f0cf25 | 1589 | p = xdr_encode_opaque_fixed(p, readdir->verifier.data, NFS4_VERIFIER_SIZE); |
6f7a35bd | 1590 | *p++ = cpu_to_be32(dircount); |
e75bc1c8 BH |
1591 | *p++ = cpu_to_be32(readdir->count); |
1592 | *p++ = cpu_to_be32(2); | |
82f2e547 | 1593 | |
e75bc1c8 | 1594 | *p++ = cpu_to_be32(attrs[0] & readdir->bitmask[0]); |
34558513 | 1595 | *p = cpu_to_be32(attrs[1] & readdir->bitmask[1]); |
d017931c | 1596 | hdr->nops++; |
dadf0c27 | 1597 | hdr->replen += decode_readdir_maxsz; |
44109241 FI |
1598 | dprintk("%s: cookie = %Lu, verifier = %08x:%08x, bitmap = %08x:%08x\n", |
1599 | __func__, | |
eadf4598 TM |
1600 | (unsigned long long)readdir->cookie, |
1601 | ((u32 *)readdir->verifier.data)[0], | |
1602 | ((u32 *)readdir->verifier.data)[1], | |
1603 | attrs[0] & readdir->bitmask[0], | |
1604 | attrs[1] & readdir->bitmask[1]); | |
1da177e4 LT |
1605 | } |
1606 | ||
cf8cdbe5 | 1607 | static void encode_readlink(struct xdr_stream *xdr, const struct nfs4_readlink *readlink, struct rpc_rqst *req, struct compound_hdr *hdr) |
1da177e4 | 1608 | { |
8687b63a | 1609 | __be32 *p; |
1da177e4 | 1610 | |
13c65ce9 | 1611 | p = reserve_space(xdr, 4); |
34558513 | 1612 | *p = cpu_to_be32(OP_READLINK); |
d017931c | 1613 | hdr->nops++; |
dadf0c27 | 1614 | hdr->replen += decode_readlink_maxsz; |
1da177e4 LT |
1615 | } |
1616 | ||
cf8cdbe5 | 1617 | static void encode_remove(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1618 | { |
8687b63a | 1619 | __be32 *p; |
1da177e4 | 1620 | |
13c65ce9 | 1621 | p = reserve_space(xdr, 8 + name->len); |
e75bc1c8 | 1622 | *p++ = cpu_to_be32(OP_REMOVE); |
811652bd | 1623 | xdr_encode_opaque(p, name->name, name->len); |
d017931c | 1624 | hdr->nops++; |
dadf0c27 | 1625 | hdr->replen += decode_remove_maxsz; |
1da177e4 LT |
1626 | } |
1627 | ||
cf8cdbe5 | 1628 | static void encode_rename(struct xdr_stream *xdr, const struct qstr *oldname, const struct qstr *newname, struct compound_hdr *hdr) |
1da177e4 | 1629 | { |
8687b63a | 1630 | __be32 *p; |
1da177e4 | 1631 | |
811652bd BH |
1632 | p = reserve_space(xdr, 4); |
1633 | *p = cpu_to_be32(OP_RENAME); | |
1634 | encode_string(xdr, oldname->len, oldname->name); | |
1635 | encode_string(xdr, newname->len, newname->name); | |
d017931c | 1636 | hdr->nops++; |
dadf0c27 | 1637 | hdr->replen += decode_rename_maxsz; |
1da177e4 LT |
1638 | } |
1639 | ||
cf8cdbe5 | 1640 | static void encode_renew(struct xdr_stream *xdr, const struct nfs_client *client_stateid, struct compound_hdr *hdr) |
1da177e4 | 1641 | { |
8687b63a | 1642 | __be32 *p; |
1da177e4 | 1643 | |
13c65ce9 | 1644 | p = reserve_space(xdr, 12); |
e75bc1c8 | 1645 | *p++ = cpu_to_be32(OP_RENEW); |
34558513 | 1646 | xdr_encode_hyper(p, client_stateid->cl_clientid); |
d017931c | 1647 | hdr->nops++; |
dadf0c27 | 1648 | hdr->replen += decode_renew_maxsz; |
1da177e4 LT |
1649 | } |
1650 | ||
cf8cdbe5 | 1651 | static void |
d017931c | 1652 | encode_restorefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
56ae19f3 | 1653 | { |
8687b63a | 1654 | __be32 *p; |
56ae19f3 | 1655 | |
13c65ce9 | 1656 | p = reserve_space(xdr, 4); |
34558513 | 1657 | *p = cpu_to_be32(OP_RESTOREFH); |
d017931c | 1658 | hdr->nops++; |
dadf0c27 | 1659 | hdr->replen += decode_restorefh_maxsz; |
56ae19f3 TM |
1660 | } |
1661 | ||
9f06c719 | 1662 | static void |
d017931c | 1663 | encode_setacl(struct xdr_stream *xdr, struct nfs_setaclargs *arg, struct compound_hdr *hdr) |
23ec6965 | 1664 | { |
8687b63a | 1665 | __be32 *p; |
23ec6965 | 1666 | |
13c65ce9 | 1667 | p = reserve_space(xdr, 4+NFS4_STATEID_SIZE); |
e75bc1c8 | 1668 | *p++ = cpu_to_be32(OP_SETATTR); |
34558513 | 1669 | xdr_encode_opaque_fixed(p, zero_stateid.data, NFS4_STATEID_SIZE); |
13c65ce9 | 1670 | p = reserve_space(xdr, 2*4); |
e75bc1c8 | 1671 | *p++ = cpu_to_be32(1); |
34558513 | 1672 | *p = cpu_to_be32(FATTR4_WORD0_ACL); |
9f06c719 | 1673 | BUG_ON(arg->acl_len % 4); |
13c65ce9 | 1674 | p = reserve_space(xdr, 4); |
34558513 | 1675 | *p = cpu_to_be32(arg->acl_len); |
23ec6965 | 1676 | xdr_write_pages(xdr, arg->acl_pages, arg->acl_pgbase, arg->acl_len); |
d017931c | 1677 | hdr->nops++; |
dadf0c27 | 1678 | hdr->replen += decode_setacl_maxsz; |
23ec6965 BF |
1679 | } |
1680 | ||
cf8cdbe5 | 1681 | static void |
d017931c | 1682 | encode_savefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1683 | { |
8687b63a | 1684 | __be32 *p; |
1da177e4 | 1685 | |
13c65ce9 | 1686 | p = reserve_space(xdr, 4); |
34558513 | 1687 | *p = cpu_to_be32(OP_SAVEFH); |
d017931c | 1688 | hdr->nops++; |
dadf0c27 | 1689 | hdr->replen += decode_savefh_maxsz; |
1da177e4 LT |
1690 | } |
1691 | ||
cf8cdbe5 | 1692 | static void encode_setattr(struct xdr_stream *xdr, const struct nfs_setattrargs *arg, const struct nfs_server *server, struct compound_hdr *hdr) |
1da177e4 | 1693 | { |
8687b63a | 1694 | __be32 *p; |
6c0195a4 | 1695 | |
13c65ce9 | 1696 | p = reserve_space(xdr, 4+NFS4_STATEID_SIZE); |
e75bc1c8 | 1697 | *p++ = cpu_to_be32(OP_SETATTR); |
34558513 | 1698 | xdr_encode_opaque_fixed(p, arg->stateid.data, NFS4_STATEID_SIZE); |
d017931c | 1699 | hdr->nops++; |
dadf0c27 | 1700 | hdr->replen += decode_setattr_maxsz; |
cf8cdbe5 | 1701 | encode_attrs(xdr, arg->iap, server); |
1da177e4 LT |
1702 | } |
1703 | ||
cf8cdbe5 | 1704 | static void encode_setclientid(struct xdr_stream *xdr, const struct nfs4_setclientid *setclientid, struct compound_hdr *hdr) |
1da177e4 | 1705 | { |
8687b63a | 1706 | __be32 *p; |
1da177e4 | 1707 | |
13c65ce9 | 1708 | p = reserve_space(xdr, 4 + NFS4_VERIFIER_SIZE); |
e75bc1c8 | 1709 | *p++ = cpu_to_be32(OP_SETCLIENTID); |
34558513 | 1710 | xdr_encode_opaque_fixed(p, setclientid->sc_verifier->data, NFS4_VERIFIER_SIZE); |
1da177e4 LT |
1711 | |
1712 | encode_string(xdr, setclientid->sc_name_len, setclientid->sc_name); | |
13c65ce9 | 1713 | p = reserve_space(xdr, 4); |
34558513 | 1714 | *p = cpu_to_be32(setclientid->sc_prog); |
1da177e4 LT |
1715 | encode_string(xdr, setclientid->sc_netid_len, setclientid->sc_netid); |
1716 | encode_string(xdr, setclientid->sc_uaddr_len, setclientid->sc_uaddr); | |
13c65ce9 | 1717 | p = reserve_space(xdr, 4); |
34558513 | 1718 | *p = cpu_to_be32(setclientid->sc_cb_ident); |
d017931c | 1719 | hdr->nops++; |
dadf0c27 | 1720 | hdr->replen += decode_setclientid_maxsz; |
1da177e4 LT |
1721 | } |
1722 | ||
bb8b27e5 | 1723 | static void encode_setclientid_confirm(struct xdr_stream *xdr, const struct nfs4_setclientid_res *arg, struct compound_hdr *hdr) |
1da177e4 | 1724 | { |
05d564fe | 1725 | __be32 *p; |
1da177e4 | 1726 | |
13c65ce9 | 1727 | p = reserve_space(xdr, 12 + NFS4_VERIFIER_SIZE); |
e75bc1c8 | 1728 | *p++ = cpu_to_be32(OP_SETCLIENTID_CONFIRM); |
bb8b27e5 TM |
1729 | p = xdr_encode_hyper(p, arg->clientid); |
1730 | xdr_encode_opaque_fixed(p, arg->confirm.data, NFS4_VERIFIER_SIZE); | |
d017931c | 1731 | hdr->nops++; |
dadf0c27 | 1732 | hdr->replen += decode_setclientid_confirm_maxsz; |
1da177e4 LT |
1733 | } |
1734 | ||
cf8cdbe5 | 1735 | static void encode_write(struct xdr_stream *xdr, const struct nfs_writeargs *args, struct compound_hdr *hdr) |
1da177e4 | 1736 | { |
8687b63a | 1737 | __be32 *p; |
1da177e4 | 1738 | |
13c65ce9 | 1739 | p = reserve_space(xdr, 4); |
34558513 | 1740 | *p = cpu_to_be32(OP_WRITE); |
1da177e4 | 1741 | |
89d1ea65 AA |
1742 | encode_stateid(xdr, args->context, args->lock_context, |
1743 | hdr->minorversion); | |
1da177e4 | 1744 | |
13c65ce9 | 1745 | p = reserve_space(xdr, 16); |
b95be5a9 | 1746 | p = xdr_encode_hyper(p, args->offset); |
e75bc1c8 | 1747 | *p++ = cpu_to_be32(args->stable); |
34558513 | 1748 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1749 | |
1750 | xdr_write_pages(xdr, args->pages, args->pgbase, args->count); | |
d017931c | 1751 | hdr->nops++; |
dadf0c27 | 1752 | hdr->replen += decode_write_maxsz; |
1da177e4 LT |
1753 | } |
1754 | ||
cf8cdbe5 | 1755 | static void encode_delegreturn(struct xdr_stream *xdr, const nfs4_stateid *stateid, struct compound_hdr *hdr) |
1da177e4 | 1756 | { |
8687b63a | 1757 | __be32 *p; |
1da177e4 | 1758 | |
13c65ce9 | 1759 | p = reserve_space(xdr, 4+NFS4_STATEID_SIZE); |
1da177e4 | 1760 | |
e75bc1c8 | 1761 | *p++ = cpu_to_be32(OP_DELEGRETURN); |
34558513 | 1762 | xdr_encode_opaque_fixed(p, stateid->data, NFS4_STATEID_SIZE); |
d017931c | 1763 | hdr->nops++; |
dadf0c27 | 1764 | hdr->replen += decode_delegreturn_maxsz; |
1da177e4 | 1765 | } |
9b7b9fcc | 1766 | |
5a5ea0d4 BS |
1767 | static void encode_secinfo(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1768 | { | |
1769 | int len = name->len; | |
1770 | __be32 *p; | |
1771 | ||
1772 | p = reserve_space(xdr, 8 + len); | |
1773 | *p++ = cpu_to_be32(OP_SECINFO); | |
1774 | xdr_encode_opaque(p, name->name, len); | |
1775 | hdr->nops++; | |
1776 | hdr->replen += decode_secinfo_maxsz; | |
1777 | } | |
1778 | ||
99fe60d0 | 1779 | #if defined(CONFIG_NFS_V4_1) |
9b7b9fcc | 1780 | /* NFSv4.1 operations */ |
99fe60d0 BH |
1781 | static void encode_exchange_id(struct xdr_stream *xdr, |
1782 | struct nfs41_exchange_id_args *args, | |
1783 | struct compound_hdr *hdr) | |
1784 | { | |
1785 | __be32 *p; | |
db8ac8ba WAA |
1786 | char impl_name[NFS4_OPAQUE_LIMIT]; |
1787 | int len = 0; | |
99fe60d0 | 1788 | |
13c65ce9 | 1789 | p = reserve_space(xdr, 4 + sizeof(args->verifier->data)); |
e75bc1c8 | 1790 | *p++ = cpu_to_be32(OP_EXCHANGE_ID); |
34558513 | 1791 | xdr_encode_opaque_fixed(p, args->verifier->data, sizeof(args->verifier->data)); |
99fe60d0 BH |
1792 | |
1793 | encode_string(xdr, args->id_len, args->id); | |
1794 | ||
13c65ce9 | 1795 | p = reserve_space(xdr, 12); |
e75bc1c8 BH |
1796 | *p++ = cpu_to_be32(args->flags); |
1797 | *p++ = cpu_to_be32(0); /* zero length state_protect4_a */ | |
db8ac8ba WAA |
1798 | |
1799 | if (send_implementation_id && | |
1800 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) > 1 && | |
1801 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) | |
1802 | <= NFS4_OPAQUE_LIMIT + 1) | |
1803 | len = snprintf(impl_name, sizeof(impl_name), "%s %s %s %s", | |
1804 | utsname()->sysname, utsname()->release, | |
1805 | utsname()->version, utsname()->machine); | |
1806 | ||
1807 | if (len > 0) { | |
1808 | *p = cpu_to_be32(1); /* implementation id array length=1 */ | |
1809 | ||
1810 | encode_string(xdr, | |
1811 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) - 1, | |
1812 | CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN); | |
1813 | encode_string(xdr, len, impl_name); | |
1814 | /* just send zeros for nii_date - the date is in nii_name */ | |
1815 | p = reserve_space(xdr, 12); | |
1816 | p = xdr_encode_hyper(p, 0); | |
1817 | *p = cpu_to_be32(0); | |
1818 | } else | |
1819 | *p = cpu_to_be32(0); /* implementation id array length=0 */ | |
1820 | ||
99fe60d0 BH |
1821 | hdr->nops++; |
1822 | hdr->replen += decode_exchange_id_maxsz; | |
1823 | } | |
fc931582 AA |
1824 | |
1825 | static void encode_create_session(struct xdr_stream *xdr, | |
1826 | struct nfs41_create_session_args *args, | |
1827 | struct compound_hdr *hdr) | |
1828 | { | |
1829 | __be32 *p; | |
1830 | char machine_name[NFS4_MAX_MACHINE_NAME_LEN]; | |
1831 | uint32_t len; | |
1832 | struct nfs_client *clp = args->client; | |
8e0d46e1 MS |
1833 | u32 max_resp_sz_cached; |
1834 | ||
1835 | /* | |
1836 | * Assumes OPEN is the biggest non-idempotent compound. | |
1837 | * 2 is the verifier. | |
1838 | */ | |
1839 | max_resp_sz_cached = (NFS4_dec_open_sz + RPC_REPHDRSIZE + | |
1840 | RPC_MAX_AUTH_SIZE + 2) * XDR_UNIT; | |
fc931582 | 1841 | |
42edd698 BH |
1842 | len = scnprintf(machine_name, sizeof(machine_name), "%s", |
1843 | clp->cl_ipaddr); | |
fc931582 | 1844 | |
13c65ce9 | 1845 | p = reserve_space(xdr, 20 + 2*28 + 20 + len + 12); |
42edd698 | 1846 | *p++ = cpu_to_be32(OP_CREATE_SESSION); |
114f64b5 | 1847 | p = xdr_encode_hyper(p, clp->cl_clientid); |
e75bc1c8 BH |
1848 | *p++ = cpu_to_be32(clp->cl_seqid); /*Sequence id */ |
1849 | *p++ = cpu_to_be32(args->flags); /*flags */ | |
fc931582 | 1850 | |
fc931582 | 1851 | /* Fore Channel */ |
c9c30dd5 | 1852 | *p++ = cpu_to_be32(0); /* header padding size */ |
e75bc1c8 BH |
1853 | *p++ = cpu_to_be32(args->fc_attrs.max_rqst_sz); /* max req size */ |
1854 | *p++ = cpu_to_be32(args->fc_attrs.max_resp_sz); /* max resp size */ | |
8e0d46e1 | 1855 | *p++ = cpu_to_be32(max_resp_sz_cached); /* Max resp sz cached */ |
e75bc1c8 BH |
1856 | *p++ = cpu_to_be32(args->fc_attrs.max_ops); /* max operations */ |
1857 | *p++ = cpu_to_be32(args->fc_attrs.max_reqs); /* max requests */ | |
1858 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ | |
fc931582 AA |
1859 | |
1860 | /* Back Channel */ | |
c9c30dd5 | 1861 | *p++ = cpu_to_be32(0); /* header padding size */ |
e75bc1c8 BH |
1862 | *p++ = cpu_to_be32(args->bc_attrs.max_rqst_sz); /* max req size */ |
1863 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz); /* max resp size */ | |
1864 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz_cached); /* Max resp sz cached */ | |
1865 | *p++ = cpu_to_be32(args->bc_attrs.max_ops); /* max operations */ | |
1866 | *p++ = cpu_to_be32(args->bc_attrs.max_reqs); /* max requests */ | |
1867 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ | |
fc931582 | 1868 | |
e75bc1c8 | 1869 | *p++ = cpu_to_be32(args->cb_program); /* cb_program */ |
e75bc1c8 | 1870 | *p++ = cpu_to_be32(1); |
e75bc1c8 | 1871 | *p++ = cpu_to_be32(RPC_AUTH_UNIX); /* auth_sys */ |
fc931582 AA |
1872 | |
1873 | /* authsys_parms rfc1831 */ | |
e75bc1c8 | 1874 | *p++ = cpu_to_be32((u32)clp->cl_boot_time.tv_nsec); /* stamp */ |
811652bd | 1875 | p = xdr_encode_opaque(p, machine_name, len); |
e75bc1c8 BH |
1876 | *p++ = cpu_to_be32(0); /* UID */ |
1877 | *p++ = cpu_to_be32(0); /* GID */ | |
34558513 | 1878 | *p = cpu_to_be32(0); /* No more gids */ |
fc931582 AA |
1879 | hdr->nops++; |
1880 | hdr->replen += decode_create_session_maxsz; | |
1881 | } | |
0f3e66c6 AA |
1882 | |
1883 | static void encode_destroy_session(struct xdr_stream *xdr, | |
1884 | struct nfs4_session *session, | |
1885 | struct compound_hdr *hdr) | |
1886 | { | |
1887 | __be32 *p; | |
13c65ce9 | 1888 | p = reserve_space(xdr, 4 + NFS4_MAX_SESSIONID_LEN); |
e75bc1c8 | 1889 | *p++ = cpu_to_be32(OP_DESTROY_SESSION); |
34558513 | 1890 | xdr_encode_opaque_fixed(p, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); |
0f3e66c6 AA |
1891 | hdr->nops++; |
1892 | hdr->replen += decode_destroy_session_maxsz; | |
1893 | } | |
18019753 RL |
1894 | |
1895 | static void encode_reclaim_complete(struct xdr_stream *xdr, | |
1896 | struct nfs41_reclaim_complete_args *args, | |
1897 | struct compound_hdr *hdr) | |
1898 | { | |
1899 | __be32 *p; | |
1900 | ||
1901 | p = reserve_space(xdr, 8); | |
1902 | *p++ = cpu_to_be32(OP_RECLAIM_COMPLETE); | |
1903 | *p++ = cpu_to_be32(args->one_fs); | |
1904 | hdr->nops++; | |
1905 | hdr->replen += decode_reclaim_complete_maxsz; | |
1906 | } | |
99fe60d0 BH |
1907 | #endif /* CONFIG_NFS_V4_1 */ |
1908 | ||
9b7b9fcc AA |
1909 | static void encode_sequence(struct xdr_stream *xdr, |
1910 | const struct nfs4_sequence_args *args, | |
1911 | struct compound_hdr *hdr) | |
1912 | { | |
1913 | #if defined(CONFIG_NFS_V4_1) | |
1914 | struct nfs4_session *session = args->sa_session; | |
fc01cea9 AA |
1915 | struct nfs4_slot_table *tp; |
1916 | struct nfs4_slot *slot; | |
1917 | __be32 *p; | |
9b7b9fcc AA |
1918 | |
1919 | if (!session) | |
1920 | return; | |
1921 | ||
fc01cea9 AA |
1922 | tp = &session->fc_slot_table; |
1923 | ||
1924 | WARN_ON(args->sa_slotid == NFS4_MAX_SLOT_TABLE); | |
1925 | slot = tp->slots + args->sa_slotid; | |
1926 | ||
13c65ce9 | 1927 | p = reserve_space(xdr, 4 + NFS4_MAX_SESSIONID_LEN + 16); |
e75bc1c8 | 1928 | *p++ = cpu_to_be32(OP_SEQUENCE); |
fc01cea9 AA |
1929 | |
1930 | /* | |
1931 | * Sessionid + seqid + slotid + max slotid + cache_this | |
1932 | */ | |
1933 | dprintk("%s: sessionid=%u:%u:%u:%u seqid=%d slotid=%d " | |
1934 | "max_slotid=%d cache_this=%d\n", | |
1935 | __func__, | |
1936 | ((u32 *)session->sess_id.data)[0], | |
1937 | ((u32 *)session->sess_id.data)[1], | |
1938 | ((u32 *)session->sess_id.data)[2], | |
1939 | ((u32 *)session->sess_id.data)[3], | |
1940 | slot->seq_nr, args->sa_slotid, | |
1941 | tp->highest_used_slotid, args->sa_cache_this); | |
93f0cf25 | 1942 | p = xdr_encode_opaque_fixed(p, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); |
e75bc1c8 BH |
1943 | *p++ = cpu_to_be32(slot->seq_nr); |
1944 | *p++ = cpu_to_be32(args->sa_slotid); | |
1945 | *p++ = cpu_to_be32(tp->highest_used_slotid); | |
34558513 | 1946 | *p = cpu_to_be32(args->sa_cache_this); |
9b7b9fcc AA |
1947 | hdr->nops++; |
1948 | hdr->replen += decode_sequence_maxsz; | |
1949 | #endif /* CONFIG_NFS_V4_1 */ | |
1950 | } | |
1951 | ||
b1f69b75 | 1952 | #ifdef CONFIG_NFS_V4_1 |
7f11d8d3 AA |
1953 | static void |
1954 | encode_getdevicelist(struct xdr_stream *xdr, | |
1955 | const struct nfs4_getdevicelist_args *args, | |
1956 | struct compound_hdr *hdr) | |
1957 | { | |
1958 | __be32 *p; | |
1959 | nfs4_verifier dummy = { | |
1960 | .data = "dummmmmy", | |
1961 | }; | |
1962 | ||
1963 | p = reserve_space(xdr, 20); | |
1964 | *p++ = cpu_to_be32(OP_GETDEVICELIST); | |
1965 | *p++ = cpu_to_be32(args->layoutclass); | |
1966 | *p++ = cpu_to_be32(NFS4_PNFS_GETDEVLIST_MAXNUM); | |
1967 | xdr_encode_hyper(p, 0ULL); /* cookie */ | |
1968 | encode_nfs4_verifier(xdr, &dummy); | |
1969 | hdr->nops++; | |
1970 | hdr->replen += decode_getdevicelist_maxsz; | |
1971 | } | |
1972 | ||
b1f69b75 AA |
1973 | static void |
1974 | encode_getdeviceinfo(struct xdr_stream *xdr, | |
1975 | const struct nfs4_getdeviceinfo_args *args, | |
1976 | struct compound_hdr *hdr) | |
1977 | { | |
1978 | __be32 *p; | |
1979 | ||
1980 | p = reserve_space(xdr, 16 + NFS4_DEVICEID4_SIZE); | |
1981 | *p++ = cpu_to_be32(OP_GETDEVICEINFO); | |
1982 | p = xdr_encode_opaque_fixed(p, args->pdev->dev_id.data, | |
1983 | NFS4_DEVICEID4_SIZE); | |
1984 | *p++ = cpu_to_be32(args->pdev->layout_type); | |
1985 | *p++ = cpu_to_be32(args->pdev->pglen); /* gdia_maxcount */ | |
1986 | *p++ = cpu_to_be32(0); /* bitmap length 0 */ | |
1987 | hdr->nops++; | |
1988 | hdr->replen += decode_getdeviceinfo_maxsz; | |
1989 | } | |
1990 | ||
1991 | static void | |
1992 | encode_layoutget(struct xdr_stream *xdr, | |
1993 | const struct nfs4_layoutget_args *args, | |
1994 | struct compound_hdr *hdr) | |
1995 | { | |
b1f69b75 AA |
1996 | __be32 *p; |
1997 | ||
1998 | p = reserve_space(xdr, 44 + NFS4_STATEID_SIZE); | |
1999 | *p++ = cpu_to_be32(OP_LAYOUTGET); | |
2000 | *p++ = cpu_to_be32(0); /* Signal layout available */ | |
2001 | *p++ = cpu_to_be32(args->type); | |
2002 | *p++ = cpu_to_be32(args->range.iomode); | |
2003 | p = xdr_encode_hyper(p, args->range.offset); | |
2004 | p = xdr_encode_hyper(p, args->range.length); | |
2005 | p = xdr_encode_hyper(p, args->minlength); | |
cf7d63f1 | 2006 | p = xdr_encode_opaque_fixed(p, &args->stateid.data, NFS4_STATEID_SIZE); |
b1f69b75 AA |
2007 | *p = cpu_to_be32(args->maxcount); |
2008 | ||
2009 | dprintk("%s: 1st type:0x%x iomode:%d off:%lu len:%lu mc:%d\n", | |
2010 | __func__, | |
2011 | args->type, | |
2012 | args->range.iomode, | |
2013 | (unsigned long)args->range.offset, | |
2014 | (unsigned long)args->range.length, | |
2015 | args->maxcount); | |
2016 | hdr->nops++; | |
2017 | hdr->replen += decode_layoutget_maxsz; | |
2018 | } | |
863a3c6c AA |
2019 | |
2020 | static int | |
2021 | encode_layoutcommit(struct xdr_stream *xdr, | |
ac7db726 | 2022 | struct inode *inode, |
863a3c6c AA |
2023 | const struct nfs4_layoutcommit_args *args, |
2024 | struct compound_hdr *hdr) | |
2025 | { | |
2026 | __be32 *p; | |
2027 | ||
2028 | dprintk("%s: lbw: %llu type: %d\n", __func__, args->lastbytewritten, | |
2029 | NFS_SERVER(args->inode)->pnfs_curr_ld->id); | |
2030 | ||
ac7db726 | 2031 | p = reserve_space(xdr, 44 + NFS4_STATEID_SIZE); |
863a3c6c AA |
2032 | *p++ = cpu_to_be32(OP_LAYOUTCOMMIT); |
2033 | /* Only whole file layouts */ | |
2034 | p = xdr_encode_hyper(p, 0); /* offset */ | |
3557c6c3 | 2035 | p = xdr_encode_hyper(p, args->lastbytewritten + 1); /* length */ |
863a3c6c AA |
2036 | *p++ = cpu_to_be32(0); /* reclaim */ |
2037 | p = xdr_encode_opaque_fixed(p, args->stateid.data, NFS4_STATEID_SIZE); | |
2038 | *p++ = cpu_to_be32(1); /* newoffset = TRUE */ | |
2039 | p = xdr_encode_hyper(p, args->lastbytewritten); | |
2040 | *p++ = cpu_to_be32(0); /* Never send time_modify_changed */ | |
2041 | *p++ = cpu_to_be32(NFS_SERVER(args->inode)->pnfs_curr_ld->id);/* type */ | |
ac7db726 BH |
2042 | |
2043 | if (NFS_SERVER(inode)->pnfs_curr_ld->encode_layoutcommit) | |
2044 | NFS_SERVER(inode)->pnfs_curr_ld->encode_layoutcommit( | |
2045 | NFS_I(inode)->layout, xdr, args); | |
2046 | else { | |
2047 | p = reserve_space(xdr, 4); | |
2048 | *p = cpu_to_be32(0); /* no layout-type payload */ | |
2049 | } | |
863a3c6c AA |
2050 | |
2051 | hdr->nops++; | |
2052 | hdr->replen += decode_layoutcommit_maxsz; | |
2053 | return 0; | |
2054 | } | |
cbe82603 BH |
2055 | |
2056 | static void | |
2057 | encode_layoutreturn(struct xdr_stream *xdr, | |
2058 | const struct nfs4_layoutreturn_args *args, | |
2059 | struct compound_hdr *hdr) | |
2060 | { | |
2061 | __be32 *p; | |
2062 | ||
2063 | p = reserve_space(xdr, 20); | |
2064 | *p++ = cpu_to_be32(OP_LAYOUTRETURN); | |
2065 | *p++ = cpu_to_be32(0); /* reclaim. always 0 for now */ | |
2066 | *p++ = cpu_to_be32(args->layout_type); | |
2067 | *p++ = cpu_to_be32(IOMODE_ANY); | |
2068 | *p = cpu_to_be32(RETURN_FILE); | |
2069 | p = reserve_space(xdr, 16 + NFS4_STATEID_SIZE); | |
2070 | p = xdr_encode_hyper(p, 0); | |
2071 | p = xdr_encode_hyper(p, NFS4_MAX_UINT64); | |
2072 | spin_lock(&args->inode->i_lock); | |
2073 | xdr_encode_opaque_fixed(p, &args->stateid.data, NFS4_STATEID_SIZE); | |
2074 | spin_unlock(&args->inode->i_lock); | |
04a55549 AA |
2075 | if (NFS_SERVER(args->inode)->pnfs_curr_ld->encode_layoutreturn) { |
2076 | NFS_SERVER(args->inode)->pnfs_curr_ld->encode_layoutreturn( | |
2077 | NFS_I(args->inode)->layout, xdr, args); | |
2078 | } else { | |
2079 | p = reserve_space(xdr, 4); | |
2080 | *p = cpu_to_be32(0); | |
2081 | } | |
cbe82603 BH |
2082 | hdr->nops++; |
2083 | hdr->replen += decode_layoutreturn_maxsz; | |
2084 | } | |
fca78d6d BS |
2085 | |
2086 | static int | |
2087 | encode_secinfo_no_name(struct xdr_stream *xdr, | |
2088 | const struct nfs41_secinfo_no_name_args *args, | |
2089 | struct compound_hdr *hdr) | |
2090 | { | |
2091 | __be32 *p; | |
2092 | p = reserve_space(xdr, 8); | |
2093 | *p++ = cpu_to_be32(OP_SECINFO_NO_NAME); | |
2094 | *p++ = cpu_to_be32(args->style); | |
2095 | hdr->nops++; | |
2096 | hdr->replen += decode_secinfo_no_name_maxsz; | |
2097 | return 0; | |
2098 | } | |
7d974794 BS |
2099 | |
2100 | static void encode_test_stateid(struct xdr_stream *xdr, | |
2101 | struct nfs41_test_stateid_args *args, | |
2102 | struct compound_hdr *hdr) | |
2103 | { | |
2104 | __be32 *p; | |
2105 | ||
2106 | p = reserve_space(xdr, 8 + NFS4_STATEID_SIZE); | |
2107 | *p++ = cpu_to_be32(OP_TEST_STATEID); | |
2108 | *p++ = cpu_to_be32(1); | |
2109 | xdr_encode_opaque_fixed(p, args->stateid->data, NFS4_STATEID_SIZE); | |
2110 | hdr->nops++; | |
2111 | hdr->replen += decode_test_stateid_maxsz; | |
2112 | } | |
9aeda35f BS |
2113 | |
2114 | static void encode_free_stateid(struct xdr_stream *xdr, | |
2115 | struct nfs41_free_stateid_args *args, | |
2116 | struct compound_hdr *hdr) | |
2117 | { | |
2118 | __be32 *p; | |
2119 | p = reserve_space(xdr, 4 + NFS4_STATEID_SIZE); | |
2120 | *p++ = cpu_to_be32(OP_FREE_STATEID); | |
2121 | xdr_encode_opaque_fixed(p, args->stateid->data, NFS4_STATEID_SIZE); | |
2122 | hdr->nops++; | |
2123 | hdr->replen += decode_free_stateid_maxsz; | |
2124 | } | |
b1f69b75 AA |
2125 | #endif /* CONFIG_NFS_V4_1 */ |
2126 | ||
1da177e4 LT |
2127 | /* |
2128 | * END OF "GENERIC" ENCODE ROUTINES. | |
2129 | */ | |
2130 | ||
66cc0429 BH |
2131 | static u32 nfs4_xdr_minorversion(const struct nfs4_sequence_args *args) |
2132 | { | |
2133 | #if defined(CONFIG_NFS_V4_1) | |
2134 | if (args->sa_session) | |
a4432345 | 2135 | return args->sa_session->clp->cl_mvops->minor_version; |
66cc0429 BH |
2136 | #endif /* CONFIG_NFS_V4_1 */ |
2137 | return 0; | |
2138 | } | |
2139 | ||
1da177e4 LT |
2140 | /* |
2141 | * Encode an ACCESS request | |
2142 | */ | |
9f06c719 CL |
2143 | static void nfs4_xdr_enc_access(struct rpc_rqst *req, struct xdr_stream *xdr, |
2144 | const struct nfs4_accessargs *args) | |
1da177e4 | 2145 | { |
1da177e4 | 2146 | struct compound_hdr hdr = { |
66cc0429 | 2147 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2148 | }; |
1da177e4 | 2149 | |
9f06c719 CL |
2150 | encode_compound_hdr(xdr, req, &hdr); |
2151 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2152 | encode_putfh(xdr, args->fh, &hdr); | |
2153 | encode_access(xdr, args->access, &hdr); | |
2154 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2155 | encode_nops(&hdr); |
1da177e4 LT |
2156 | } |
2157 | ||
2158 | /* | |
2159 | * Encode LOOKUP request | |
2160 | */ | |
9f06c719 CL |
2161 | static void nfs4_xdr_enc_lookup(struct rpc_rqst *req, struct xdr_stream *xdr, |
2162 | const struct nfs4_lookup_arg *args) | |
1da177e4 | 2163 | { |
1da177e4 | 2164 | struct compound_hdr hdr = { |
66cc0429 | 2165 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2166 | }; |
1da177e4 | 2167 | |
9f06c719 CL |
2168 | encode_compound_hdr(xdr, req, &hdr); |
2169 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2170 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2171 | encode_lookup(xdr, args->name, &hdr); | |
2172 | encode_getfh(xdr, &hdr); | |
2173 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2174 | encode_nops(&hdr); |
1da177e4 LT |
2175 | } |
2176 | ||
2177 | /* | |
2178 | * Encode LOOKUP_ROOT request | |
2179 | */ | |
9f06c719 CL |
2180 | static void nfs4_xdr_enc_lookup_root(struct rpc_rqst *req, |
2181 | struct xdr_stream *xdr, | |
2182 | const struct nfs4_lookup_root_arg *args) | |
1da177e4 | 2183 | { |
1da177e4 | 2184 | struct compound_hdr hdr = { |
66cc0429 | 2185 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2186 | }; |
1da177e4 | 2187 | |
9f06c719 CL |
2188 | encode_compound_hdr(xdr, req, &hdr); |
2189 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2190 | encode_putrootfh(xdr, &hdr); | |
2191 | encode_getfh(xdr, &hdr); | |
2192 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2193 | encode_nops(&hdr); |
1da177e4 LT |
2194 | } |
2195 | ||
2196 | /* | |
2197 | * Encode REMOVE request | |
2198 | */ | |
9f06c719 CL |
2199 | static void nfs4_xdr_enc_remove(struct rpc_rqst *req, struct xdr_stream *xdr, |
2200 | const struct nfs_removeargs *args) | |
1da177e4 | 2201 | { |
1da177e4 | 2202 | struct compound_hdr hdr = { |
66cc0429 | 2203 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2204 | }; |
1da177e4 | 2205 | |
9f06c719 CL |
2206 | encode_compound_hdr(xdr, req, &hdr); |
2207 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2208 | encode_putfh(xdr, args->fh, &hdr); | |
2209 | encode_remove(xdr, &args->name, &hdr); | |
2210 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2211 | encode_nops(&hdr); |
1da177e4 LT |
2212 | } |
2213 | ||
2214 | /* | |
2215 | * Encode RENAME request | |
2216 | */ | |
9f06c719 CL |
2217 | static void nfs4_xdr_enc_rename(struct rpc_rqst *req, struct xdr_stream *xdr, |
2218 | const struct nfs_renameargs *args) | |
1da177e4 | 2219 | { |
1da177e4 | 2220 | struct compound_hdr hdr = { |
66cc0429 | 2221 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2222 | }; |
1da177e4 | 2223 | |
9f06c719 CL |
2224 | encode_compound_hdr(xdr, req, &hdr); |
2225 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2226 | encode_putfh(xdr, args->old_dir, &hdr); | |
2227 | encode_savefh(xdr, &hdr); | |
2228 | encode_putfh(xdr, args->new_dir, &hdr); | |
2229 | encode_rename(xdr, args->old_name, args->new_name, &hdr); | |
2230 | encode_getfattr(xdr, args->bitmask, &hdr); | |
2231 | encode_restorefh(xdr, &hdr); | |
2232 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2233 | encode_nops(&hdr); |
1da177e4 LT |
2234 | } |
2235 | ||
2236 | /* | |
2237 | * Encode LINK request | |
2238 | */ | |
9f06c719 CL |
2239 | static void nfs4_xdr_enc_link(struct rpc_rqst *req, struct xdr_stream *xdr, |
2240 | const struct nfs4_link_arg *args) | |
1da177e4 | 2241 | { |
1da177e4 | 2242 | struct compound_hdr hdr = { |
66cc0429 | 2243 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2244 | }; |
1da177e4 | 2245 | |
9f06c719 CL |
2246 | encode_compound_hdr(xdr, req, &hdr); |
2247 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2248 | encode_putfh(xdr, args->fh, &hdr); | |
2249 | encode_savefh(xdr, &hdr); | |
2250 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2251 | encode_link(xdr, args->name, &hdr); | |
2252 | encode_getfattr(xdr, args->bitmask, &hdr); | |
2253 | encode_restorefh(xdr, &hdr); | |
2254 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2255 | encode_nops(&hdr); |
1da177e4 LT |
2256 | } |
2257 | ||
2258 | /* | |
2259 | * Encode CREATE request | |
2260 | */ | |
9f06c719 CL |
2261 | static void nfs4_xdr_enc_create(struct rpc_rqst *req, struct xdr_stream *xdr, |
2262 | const struct nfs4_create_arg *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->dir_fh, &hdr); | |
2271 | encode_savefh(xdr, &hdr); | |
2272 | encode_create(xdr, args, &hdr); | |
2273 | encode_getfh(xdr, &hdr); | |
2274 | encode_getfattr(xdr, args->bitmask, &hdr); | |
2275 | encode_restorefh(xdr, &hdr); | |
2276 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2277 | encode_nops(&hdr); |
1da177e4 LT |
2278 | } |
2279 | ||
2280 | /* | |
2281 | * Encode SYMLINK request | |
2282 | */ | |
9f06c719 CL |
2283 | static void nfs4_xdr_enc_symlink(struct rpc_rqst *req, struct xdr_stream *xdr, |
2284 | const struct nfs4_create_arg *args) | |
1da177e4 | 2285 | { |
9f06c719 | 2286 | nfs4_xdr_enc_create(req, xdr, args); |
1da177e4 LT |
2287 | } |
2288 | ||
2289 | /* | |
2290 | * Encode GETATTR request | |
2291 | */ | |
9f06c719 CL |
2292 | static void nfs4_xdr_enc_getattr(struct rpc_rqst *req, struct xdr_stream *xdr, |
2293 | const struct nfs4_getattr_arg *args) | |
1da177e4 | 2294 | { |
1da177e4 | 2295 | struct compound_hdr hdr = { |
66cc0429 | 2296 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2297 | }; |
1da177e4 | 2298 | |
9f06c719 CL |
2299 | encode_compound_hdr(xdr, req, &hdr); |
2300 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2301 | encode_putfh(xdr, args->fh, &hdr); | |
2302 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2303 | encode_nops(&hdr); |
1da177e4 LT |
2304 | } |
2305 | ||
2306 | /* | |
2307 | * Encode a CLOSE request | |
2308 | */ | |
9f06c719 CL |
2309 | static void nfs4_xdr_enc_close(struct rpc_rqst *req, struct xdr_stream *xdr, |
2310 | struct nfs_closeargs *args) | |
1da177e4 | 2311 | { |
05d564fe | 2312 | struct compound_hdr hdr = { |
66cc0429 | 2313 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 2314 | }; |
05d564fe | 2315 | |
9f06c719 CL |
2316 | encode_compound_hdr(xdr, req, &hdr); |
2317 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2318 | encode_putfh(xdr, args->fh, &hdr); | |
2319 | encode_close(xdr, args, &hdr); | |
2320 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2321 | encode_nops(&hdr); |
1da177e4 LT |
2322 | } |
2323 | ||
2324 | /* | |
2325 | * Encode an OPEN request | |
2326 | */ | |
9f06c719 CL |
2327 | static void nfs4_xdr_enc_open(struct rpc_rqst *req, struct xdr_stream *xdr, |
2328 | struct nfs_openargs *args) | |
1da177e4 | 2329 | { |
1da177e4 | 2330 | struct compound_hdr hdr = { |
66cc0429 | 2331 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2332 | }; |
1da177e4 | 2333 | |
9f06c719 CL |
2334 | encode_compound_hdr(xdr, req, &hdr); |
2335 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2336 | encode_putfh(xdr, args->fh, &hdr); | |
2337 | encode_savefh(xdr, &hdr); | |
2338 | encode_open(xdr, args, &hdr); | |
2339 | encode_getfh(xdr, &hdr); | |
2340 | encode_getfattr(xdr, args->bitmask, &hdr); | |
2341 | encode_restorefh(xdr, &hdr); | |
6926afd1 | 2342 | encode_getfattr(xdr, args->dir_bitmask, &hdr); |
d017931c | 2343 | encode_nops(&hdr); |
1da177e4 LT |
2344 | } |
2345 | ||
2346 | /* | |
2347 | * Encode an OPEN_CONFIRM request | |
2348 | */ | |
9f06c719 CL |
2349 | static void nfs4_xdr_enc_open_confirm(struct rpc_rqst *req, |
2350 | struct xdr_stream *xdr, | |
2351 | struct nfs_open_confirmargs *args) | |
1da177e4 | 2352 | { |
1da177e4 | 2353 | struct compound_hdr hdr = { |
d017931c | 2354 | .nops = 0, |
1da177e4 | 2355 | }; |
1da177e4 | 2356 | |
9f06c719 CL |
2357 | encode_compound_hdr(xdr, req, &hdr); |
2358 | encode_putfh(xdr, args->fh, &hdr); | |
2359 | encode_open_confirm(xdr, args, &hdr); | |
d017931c | 2360 | encode_nops(&hdr); |
1da177e4 LT |
2361 | } |
2362 | ||
2363 | /* | |
2364 | * Encode an OPEN request with no attributes. | |
2365 | */ | |
9f06c719 CL |
2366 | static void nfs4_xdr_enc_open_noattr(struct rpc_rqst *req, |
2367 | struct xdr_stream *xdr, | |
2368 | struct nfs_openargs *args) | |
1da177e4 | 2369 | { |
1da177e4 | 2370 | struct compound_hdr hdr = { |
66cc0429 | 2371 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2372 | }; |
1da177e4 | 2373 | |
9f06c719 CL |
2374 | encode_compound_hdr(xdr, req, &hdr); |
2375 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2376 | encode_putfh(xdr, args->fh, &hdr); | |
2377 | encode_open(xdr, args, &hdr); | |
2378 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2379 | encode_nops(&hdr); |
1da177e4 LT |
2380 | } |
2381 | ||
2382 | /* | |
2383 | * Encode an OPEN_DOWNGRADE request | |
2384 | */ | |
9f06c719 CL |
2385 | static void nfs4_xdr_enc_open_downgrade(struct rpc_rqst *req, |
2386 | struct xdr_stream *xdr, | |
2387 | struct nfs_closeargs *args) | |
1da177e4 | 2388 | { |
1da177e4 | 2389 | struct compound_hdr hdr = { |
66cc0429 | 2390 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2391 | }; |
1da177e4 | 2392 | |
9f06c719 CL |
2393 | encode_compound_hdr(xdr, req, &hdr); |
2394 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2395 | encode_putfh(xdr, args->fh, &hdr); | |
2396 | encode_open_downgrade(xdr, args, &hdr); | |
2397 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2398 | encode_nops(&hdr); |
1da177e4 LT |
2399 | } |
2400 | ||
2401 | /* | |
2402 | * Encode a LOCK request | |
2403 | */ | |
9f06c719 CL |
2404 | static void nfs4_xdr_enc_lock(struct rpc_rqst *req, struct xdr_stream *xdr, |
2405 | struct nfs_lock_args *args) | |
1da177e4 | 2406 | { |
1da177e4 | 2407 | struct compound_hdr hdr = { |
66cc0429 | 2408 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2409 | }; |
1da177e4 | 2410 | |
9f06c719 CL |
2411 | encode_compound_hdr(xdr, req, &hdr); |
2412 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2413 | encode_putfh(xdr, args->fh, &hdr); | |
2414 | encode_lock(xdr, args, &hdr); | |
d017931c | 2415 | encode_nops(&hdr); |
1da177e4 LT |
2416 | } |
2417 | ||
2418 | /* | |
2419 | * Encode a LOCKT request | |
2420 | */ | |
9f06c719 CL |
2421 | static void nfs4_xdr_enc_lockt(struct rpc_rqst *req, struct xdr_stream *xdr, |
2422 | struct nfs_lockt_args *args) | |
1da177e4 | 2423 | { |
1da177e4 | 2424 | struct compound_hdr hdr = { |
66cc0429 | 2425 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2426 | }; |
1da177e4 | 2427 | |
9f06c719 CL |
2428 | encode_compound_hdr(xdr, req, &hdr); |
2429 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2430 | encode_putfh(xdr, args->fh, &hdr); | |
2431 | encode_lockt(xdr, args, &hdr); | |
d017931c | 2432 | encode_nops(&hdr); |
1da177e4 LT |
2433 | } |
2434 | ||
2435 | /* | |
2436 | * Encode a LOCKU request | |
2437 | */ | |
9f06c719 CL |
2438 | static void nfs4_xdr_enc_locku(struct rpc_rqst *req, struct xdr_stream *xdr, |
2439 | struct nfs_locku_args *args) | |
1da177e4 | 2440 | { |
1da177e4 | 2441 | struct compound_hdr hdr = { |
66cc0429 | 2442 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2443 | }; |
1da177e4 | 2444 | |
9f06c719 CL |
2445 | encode_compound_hdr(xdr, req, &hdr); |
2446 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2447 | encode_putfh(xdr, args->fh, &hdr); | |
2448 | encode_locku(xdr, args, &hdr); | |
d017931c | 2449 | encode_nops(&hdr); |
1da177e4 LT |
2450 | } |
2451 | ||
9f06c719 CL |
2452 | static void nfs4_xdr_enc_release_lockowner(struct rpc_rqst *req, |
2453 | struct xdr_stream *xdr, | |
2454 | struct nfs_release_lockowner_args *args) | |
d3c7b7cc | 2455 | { |
d3c7b7cc TM |
2456 | struct compound_hdr hdr = { |
2457 | .minorversion = 0, | |
2458 | }; | |
2459 | ||
9f06c719 CL |
2460 | encode_compound_hdr(xdr, req, &hdr); |
2461 | encode_release_lockowner(xdr, &args->lock_owner, &hdr); | |
d3c7b7cc | 2462 | encode_nops(&hdr); |
d3c7b7cc TM |
2463 | } |
2464 | ||
1da177e4 LT |
2465 | /* |
2466 | * Encode a READLINK request | |
2467 | */ | |
9f06c719 CL |
2468 | static void nfs4_xdr_enc_readlink(struct rpc_rqst *req, struct xdr_stream *xdr, |
2469 | const struct nfs4_readlink *args) | |
1da177e4 | 2470 | { |
1da177e4 | 2471 | struct compound_hdr hdr = { |
66cc0429 | 2472 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2473 | }; |
1da177e4 | 2474 | |
9f06c719 CL |
2475 | encode_compound_hdr(xdr, req, &hdr); |
2476 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2477 | encode_putfh(xdr, args->fh, &hdr); | |
2478 | encode_readlink(xdr, args, req, &hdr); | |
e3a535e1 | 2479 | |
28f56694 | 2480 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, |
e3a535e1 | 2481 | args->pgbase, args->pglen); |
d017931c | 2482 | encode_nops(&hdr); |
1da177e4 LT |
2483 | } |
2484 | ||
2485 | /* | |
2486 | * Encode a READDIR request | |
2487 | */ | |
9f06c719 CL |
2488 | static void nfs4_xdr_enc_readdir(struct rpc_rqst *req, struct xdr_stream *xdr, |
2489 | const struct nfs4_readdir_arg *args) | |
1da177e4 | 2490 | { |
1da177e4 | 2491 | struct compound_hdr hdr = { |
66cc0429 | 2492 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2493 | }; |
1da177e4 | 2494 | |
9f06c719 CL |
2495 | encode_compound_hdr(xdr, req, &hdr); |
2496 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2497 | encode_putfh(xdr, args->fh, &hdr); | |
2498 | encode_readdir(xdr, args, req, &hdr); | |
d6ac02df | 2499 | |
28f56694 | 2500 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, |
d6ac02df TM |
2501 | args->pgbase, args->count); |
2502 | dprintk("%s: inlined page args = (%u, %p, %u, %u)\n", | |
28f56694 | 2503 | __func__, hdr.replen << 2, args->pages, |
d6ac02df | 2504 | args->pgbase, args->count); |
d017931c | 2505 | encode_nops(&hdr); |
1da177e4 LT |
2506 | } |
2507 | ||
2508 | /* | |
2509 | * Encode a READ request | |
2510 | */ | |
9f06c719 CL |
2511 | static void nfs4_xdr_enc_read(struct rpc_rqst *req, struct xdr_stream *xdr, |
2512 | struct nfs_readargs *args) | |
1da177e4 | 2513 | { |
1da177e4 | 2514 | struct compound_hdr hdr = { |
66cc0429 | 2515 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2516 | }; |
1da177e4 | 2517 | |
9f06c719 CL |
2518 | encode_compound_hdr(xdr, req, &hdr); |
2519 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2520 | encode_putfh(xdr, args->fh, &hdr); | |
2521 | encode_read(xdr, args, &hdr); | |
1da177e4 | 2522 | |
28f56694 | 2523 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, |
1da177e4 | 2524 | args->pages, args->pgbase, args->count); |
4f22ccc3 | 2525 | req->rq_rcv_buf.flags |= XDRBUF_READ; |
d017931c | 2526 | encode_nops(&hdr); |
1da177e4 LT |
2527 | } |
2528 | ||
2529 | /* | |
2530 | * Encode an SETATTR request | |
2531 | */ | |
9f06c719 CL |
2532 | static void nfs4_xdr_enc_setattr(struct rpc_rqst *req, struct xdr_stream *xdr, |
2533 | struct nfs_setattrargs *args) | |
1da177e4 | 2534 | { |
05d564fe | 2535 | struct compound_hdr hdr = { |
66cc0429 | 2536 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 2537 | }; |
05d564fe | 2538 | |
9f06c719 CL |
2539 | encode_compound_hdr(xdr, req, &hdr); |
2540 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2541 | encode_putfh(xdr, args->fh, &hdr); | |
2542 | encode_setattr(xdr, args, args->server, &hdr); | |
2543 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2544 | encode_nops(&hdr); |
1da177e4 LT |
2545 | } |
2546 | ||
029d105e BF |
2547 | /* |
2548 | * Encode a GETACL request | |
2549 | */ | |
9f06c719 CL |
2550 | static void nfs4_xdr_enc_getacl(struct rpc_rqst *req, struct xdr_stream *xdr, |
2551 | struct nfs_getaclargs *args) | |
029d105e | 2552 | { |
029d105e | 2553 | struct compound_hdr hdr = { |
66cc0429 | 2554 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
029d105e | 2555 | }; |
28f56694 | 2556 | uint32_t replen; |
029d105e | 2557 | |
9f06c719 CL |
2558 | encode_compound_hdr(xdr, req, &hdr); |
2559 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2560 | encode_putfh(xdr, args->fh, &hdr); | |
bf118a34 | 2561 | replen = hdr.replen + op_decode_hdr_maxsz + 1; |
9f06c719 | 2562 | encode_getattr_two(xdr, FATTR4_WORD0_ACL, 0, &hdr); |
cf8cdbe5 | 2563 | |
28f56694 | 2564 | xdr_inline_pages(&req->rq_rcv_buf, replen << 2, |
029d105e | 2565 | args->acl_pages, args->acl_pgbase, args->acl_len); |
bf118a34 AA |
2566 | xdr_set_scratch_buffer(xdr, page_address(args->acl_scratch), PAGE_SIZE); |
2567 | ||
d017931c | 2568 | encode_nops(&hdr); |
029d105e BF |
2569 | } |
2570 | ||
1da177e4 LT |
2571 | /* |
2572 | * Encode a WRITE request | |
2573 | */ | |
9f06c719 CL |
2574 | static void nfs4_xdr_enc_write(struct rpc_rqst *req, struct xdr_stream *xdr, |
2575 | struct nfs_writeargs *args) | |
1da177e4 | 2576 | { |
1da177e4 | 2577 | struct compound_hdr hdr = { |
66cc0429 | 2578 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2579 | }; |
1da177e4 | 2580 | |
9f06c719 CL |
2581 | encode_compound_hdr(xdr, req, &hdr); |
2582 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2583 | encode_putfh(xdr, args->fh, &hdr); | |
2584 | encode_write(xdr, args, &hdr); | |
4f22ccc3 | 2585 | req->rq_snd_buf.flags |= XDRBUF_WRITE; |
7ffd1064 FI |
2586 | if (args->bitmask) |
2587 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2588 | encode_nops(&hdr); |
1da177e4 LT |
2589 | } |
2590 | ||
2591 | /* | |
2592 | * a COMMIT request | |
2593 | */ | |
9f06c719 CL |
2594 | static void nfs4_xdr_enc_commit(struct rpc_rqst *req, struct xdr_stream *xdr, |
2595 | struct nfs_writeargs *args) | |
1da177e4 | 2596 | { |
1da177e4 | 2597 | struct compound_hdr hdr = { |
66cc0429 | 2598 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2599 | }; |
1da177e4 | 2600 | |
9f06c719 CL |
2601 | encode_compound_hdr(xdr, req, &hdr); |
2602 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2603 | encode_putfh(xdr, args->fh, &hdr); | |
2604 | encode_commit(xdr, args, &hdr); | |
988b6dce FI |
2605 | if (args->bitmask) |
2606 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2607 | encode_nops(&hdr); |
1da177e4 LT |
2608 | } |
2609 | ||
2610 | /* | |
2611 | * FSINFO request | |
2612 | */ | |
9f06c719 CL |
2613 | static void nfs4_xdr_enc_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, |
2614 | struct nfs4_fsinfo_arg *args) | |
1da177e4 | 2615 | { |
1da177e4 | 2616 | struct compound_hdr hdr = { |
66cc0429 | 2617 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2618 | }; |
1da177e4 | 2619 | |
9f06c719 CL |
2620 | encode_compound_hdr(xdr, req, &hdr); |
2621 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2622 | encode_putfh(xdr, args->fh, &hdr); | |
2623 | encode_fsinfo(xdr, args->bitmask, &hdr); | |
d017931c | 2624 | encode_nops(&hdr); |
1da177e4 LT |
2625 | } |
2626 | ||
2627 | /* | |
2628 | * a PATHCONF request | |
2629 | */ | |
9f06c719 CL |
2630 | static void nfs4_xdr_enc_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, |
2631 | const struct nfs4_pathconf_arg *args) | |
1da177e4 | 2632 | { |
1da177e4 | 2633 | struct compound_hdr hdr = { |
66cc0429 | 2634 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2635 | }; |
1da177e4 | 2636 | |
9f06c719 CL |
2637 | encode_compound_hdr(xdr, req, &hdr); |
2638 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2639 | encode_putfh(xdr, args->fh, &hdr); | |
2640 | encode_getattr_one(xdr, args->bitmask[0] & nfs4_pathconf_bitmap[0], | |
cf8cdbe5 | 2641 | &hdr); |
d017931c | 2642 | encode_nops(&hdr); |
1da177e4 LT |
2643 | } |
2644 | ||
2645 | /* | |
2646 | * a STATFS request | |
2647 | */ | |
9f06c719 CL |
2648 | static void nfs4_xdr_enc_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, |
2649 | const struct nfs4_statfs_arg *args) | |
1da177e4 | 2650 | { |
1da177e4 | 2651 | struct compound_hdr hdr = { |
66cc0429 | 2652 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2653 | }; |
1da177e4 | 2654 | |
9f06c719 CL |
2655 | encode_compound_hdr(xdr, req, &hdr); |
2656 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2657 | encode_putfh(xdr, args->fh, &hdr); | |
2658 | encode_getattr_two(xdr, args->bitmask[0] & nfs4_statfs_bitmap[0], | |
cf8cdbe5 | 2659 | args->bitmask[1] & nfs4_statfs_bitmap[1], &hdr); |
d017931c | 2660 | encode_nops(&hdr); |
1da177e4 LT |
2661 | } |
2662 | ||
2663 | /* | |
2664 | * GETATTR_BITMAP request | |
2665 | */ | |
9f06c719 CL |
2666 | static void nfs4_xdr_enc_server_caps(struct rpc_rqst *req, |
2667 | struct xdr_stream *xdr, | |
2668 | struct nfs4_server_caps_arg *args) | |
1da177e4 | 2669 | { |
1da177e4 | 2670 | struct compound_hdr hdr = { |
66cc0429 | 2671 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2672 | }; |
1da177e4 | 2673 | |
9f06c719 CL |
2674 | encode_compound_hdr(xdr, req, &hdr); |
2675 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2676 | encode_putfh(xdr, args->fhandle, &hdr); | |
2677 | encode_getattr_one(xdr, FATTR4_WORD0_SUPPORTED_ATTRS| | |
cf8cdbe5 AA |
2678 | FATTR4_WORD0_LINK_SUPPORT| |
2679 | FATTR4_WORD0_SYMLINK_SUPPORT| | |
2680 | FATTR4_WORD0_ACLSUPPORT, &hdr); | |
d017931c | 2681 | encode_nops(&hdr); |
1da177e4 LT |
2682 | } |
2683 | ||
2684 | /* | |
2685 | * a RENEW request | |
2686 | */ | |
9f06c719 CL |
2687 | static void nfs4_xdr_enc_renew(struct rpc_rqst *req, struct xdr_stream *xdr, |
2688 | struct nfs_client *clp) | |
1da177e4 | 2689 | { |
1da177e4 | 2690 | struct compound_hdr hdr = { |
d017931c | 2691 | .nops = 0, |
1da177e4 LT |
2692 | }; |
2693 | ||
9f06c719 CL |
2694 | encode_compound_hdr(xdr, req, &hdr); |
2695 | encode_renew(xdr, clp, &hdr); | |
d017931c | 2696 | encode_nops(&hdr); |
1da177e4 LT |
2697 | } |
2698 | ||
2699 | /* | |
2700 | * a SETCLIENTID request | |
2701 | */ | |
9f06c719 CL |
2702 | static void nfs4_xdr_enc_setclientid(struct rpc_rqst *req, |
2703 | struct xdr_stream *xdr, | |
2704 | struct nfs4_setclientid *sc) | |
1da177e4 | 2705 | { |
1da177e4 | 2706 | struct compound_hdr hdr = { |
d017931c | 2707 | .nops = 0, |
1da177e4 LT |
2708 | }; |
2709 | ||
9f06c719 CL |
2710 | encode_compound_hdr(xdr, req, &hdr); |
2711 | encode_setclientid(xdr, sc, &hdr); | |
d017931c | 2712 | encode_nops(&hdr); |
1da177e4 LT |
2713 | } |
2714 | ||
2715 | /* | |
2716 | * a SETCLIENTID_CONFIRM request | |
2717 | */ | |
9f06c719 CL |
2718 | static void nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, |
2719 | struct xdr_stream *xdr, | |
2720 | struct nfs4_setclientid_res *arg) | |
1da177e4 | 2721 | { |
1da177e4 | 2722 | struct compound_hdr hdr = { |
d017931c | 2723 | .nops = 0, |
1da177e4 | 2724 | }; |
dae100c2 | 2725 | const u32 lease_bitmap[3] = { FATTR4_WORD0_LEASE_TIME }; |
1da177e4 | 2726 | |
9f06c719 CL |
2727 | encode_compound_hdr(xdr, req, &hdr); |
2728 | encode_setclientid_confirm(xdr, arg, &hdr); | |
2729 | encode_putrootfh(xdr, &hdr); | |
2730 | encode_fsinfo(xdr, lease_bitmap, &hdr); | |
d017931c | 2731 | encode_nops(&hdr); |
1da177e4 LT |
2732 | } |
2733 | ||
2734 | /* | |
2735 | * DELEGRETURN request | |
2736 | */ | |
9f06c719 CL |
2737 | static void nfs4_xdr_enc_delegreturn(struct rpc_rqst *req, |
2738 | struct xdr_stream *xdr, | |
2739 | const struct nfs4_delegreturnargs *args) | |
1da177e4 | 2740 | { |
1da177e4 | 2741 | struct compound_hdr hdr = { |
66cc0429 | 2742 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2743 | }; |
1da177e4 | 2744 | |
9f06c719 CL |
2745 | encode_compound_hdr(xdr, req, &hdr); |
2746 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2747 | encode_putfh(xdr, args->fhandle, &hdr); | |
2748 | encode_delegreturn(xdr, args->stateid, &hdr); | |
2749 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2750 | encode_nops(&hdr); |
1da177e4 LT |
2751 | } |
2752 | ||
683b57b4 TM |
2753 | /* |
2754 | * Encode FS_LOCATIONS request | |
2755 | */ | |
9f06c719 CL |
2756 | static void nfs4_xdr_enc_fs_locations(struct rpc_rqst *req, |
2757 | struct xdr_stream *xdr, | |
2758 | struct nfs4_fs_locations_arg *args) | |
683b57b4 | 2759 | { |
683b57b4 | 2760 | struct compound_hdr hdr = { |
66cc0429 | 2761 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
683b57b4 | 2762 | }; |
28f56694 | 2763 | uint32_t replen; |
683b57b4 | 2764 | |
9f06c719 CL |
2765 | encode_compound_hdr(xdr, req, &hdr); |
2766 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2767 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2768 | encode_lookup(xdr, args->name, &hdr); | |
28f56694 | 2769 | replen = hdr.replen; /* get the attribute into args->page */ |
9f06c719 | 2770 | encode_fs_locations(xdr, args->bitmask, &hdr); |
cf8cdbe5 | 2771 | |
28f56694 | 2772 | xdr_inline_pages(&req->rq_rcv_buf, replen << 2, &args->page, |
683b57b4 | 2773 | 0, PAGE_SIZE); |
d017931c | 2774 | encode_nops(&hdr); |
683b57b4 TM |
2775 | } |
2776 | ||
5a5ea0d4 BS |
2777 | /* |
2778 | * Encode SECINFO request | |
2779 | */ | |
2780 | static void nfs4_xdr_enc_secinfo(struct rpc_rqst *req, | |
2781 | struct xdr_stream *xdr, | |
2782 | struct nfs4_secinfo_arg *args) | |
2783 | { | |
2784 | struct compound_hdr hdr = { | |
2785 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2786 | }; | |
2787 | ||
2788 | encode_compound_hdr(xdr, req, &hdr); | |
2789 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2790 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2791 | encode_secinfo(xdr, args->name, &hdr); | |
2792 | encode_nops(&hdr); | |
2793 | } | |
2794 | ||
99fe60d0 BH |
2795 | #if defined(CONFIG_NFS_V4_1) |
2796 | /* | |
2797 | * EXCHANGE_ID request | |
2798 | */ | |
9f06c719 CL |
2799 | static void nfs4_xdr_enc_exchange_id(struct rpc_rqst *req, |
2800 | struct xdr_stream *xdr, | |
2801 | struct nfs41_exchange_id_args *args) | |
99fe60d0 | 2802 | { |
99fe60d0 | 2803 | struct compound_hdr hdr = { |
a4432345 | 2804 | .minorversion = args->client->cl_mvops->minor_version, |
99fe60d0 BH |
2805 | }; |
2806 | ||
9f06c719 CL |
2807 | encode_compound_hdr(xdr, req, &hdr); |
2808 | encode_exchange_id(xdr, args, &hdr); | |
99fe60d0 | 2809 | encode_nops(&hdr); |
99fe60d0 | 2810 | } |
2050f0cc | 2811 | |
fc931582 AA |
2812 | /* |
2813 | * a CREATE_SESSION request | |
2814 | */ | |
9f06c719 CL |
2815 | static void nfs4_xdr_enc_create_session(struct rpc_rqst *req, |
2816 | struct xdr_stream *xdr, | |
2817 | struct nfs41_create_session_args *args) | |
fc931582 | 2818 | { |
fc931582 | 2819 | struct compound_hdr hdr = { |
a4432345 | 2820 | .minorversion = args->client->cl_mvops->minor_version, |
fc931582 AA |
2821 | }; |
2822 | ||
9f06c719 CL |
2823 | encode_compound_hdr(xdr, req, &hdr); |
2824 | encode_create_session(xdr, args, &hdr); | |
fc931582 | 2825 | encode_nops(&hdr); |
fc931582 AA |
2826 | } |
2827 | ||
0f3e66c6 AA |
2828 | /* |
2829 | * a DESTROY_SESSION request | |
2830 | */ | |
9f06c719 CL |
2831 | static void nfs4_xdr_enc_destroy_session(struct rpc_rqst *req, |
2832 | struct xdr_stream *xdr, | |
2833 | struct nfs4_session *session) | |
0f3e66c6 | 2834 | { |
0f3e66c6 | 2835 | struct compound_hdr hdr = { |
a4432345 | 2836 | .minorversion = session->clp->cl_mvops->minor_version, |
0f3e66c6 AA |
2837 | }; |
2838 | ||
9f06c719 CL |
2839 | encode_compound_hdr(xdr, req, &hdr); |
2840 | encode_destroy_session(xdr, session, &hdr); | |
0f3e66c6 | 2841 | encode_nops(&hdr); |
0f3e66c6 AA |
2842 | } |
2843 | ||
fc01cea9 AA |
2844 | /* |
2845 | * a SEQUENCE request | |
2846 | */ | |
9f06c719 CL |
2847 | static void nfs4_xdr_enc_sequence(struct rpc_rqst *req, struct xdr_stream *xdr, |
2848 | struct nfs4_sequence_args *args) | |
fc01cea9 | 2849 | { |
fc01cea9 AA |
2850 | struct compound_hdr hdr = { |
2851 | .minorversion = nfs4_xdr_minorversion(args), | |
2852 | }; | |
2853 | ||
9f06c719 CL |
2854 | encode_compound_hdr(xdr, req, &hdr); |
2855 | encode_sequence(xdr, args, &hdr); | |
fc01cea9 | 2856 | encode_nops(&hdr); |
fc01cea9 AA |
2857 | } |
2858 | ||
2050f0cc AA |
2859 | /* |
2860 | * a GET_LEASE_TIME request | |
2861 | */ | |
9f06c719 CL |
2862 | static void nfs4_xdr_enc_get_lease_time(struct rpc_rqst *req, |
2863 | struct xdr_stream *xdr, | |
2864 | struct nfs4_get_lease_time_args *args) | |
2050f0cc | 2865 | { |
2050f0cc AA |
2866 | struct compound_hdr hdr = { |
2867 | .minorversion = nfs4_xdr_minorversion(&args->la_seq_args), | |
2868 | }; | |
dae100c2 | 2869 | const u32 lease_bitmap[3] = { FATTR4_WORD0_LEASE_TIME }; |
2050f0cc | 2870 | |
9f06c719 CL |
2871 | encode_compound_hdr(xdr, req, &hdr); |
2872 | encode_sequence(xdr, &args->la_seq_args, &hdr); | |
2873 | encode_putrootfh(xdr, &hdr); | |
2874 | encode_fsinfo(xdr, lease_bitmap, &hdr); | |
2050f0cc | 2875 | encode_nops(&hdr); |
2050f0cc | 2876 | } |
18019753 RL |
2877 | |
2878 | /* | |
2879 | * a RECLAIM_COMPLETE request | |
2880 | */ | |
9f06c719 CL |
2881 | static void nfs4_xdr_enc_reclaim_complete(struct rpc_rqst *req, |
2882 | struct xdr_stream *xdr, | |
2883 | struct nfs41_reclaim_complete_args *args) | |
18019753 | 2884 | { |
18019753 RL |
2885 | struct compound_hdr hdr = { |
2886 | .minorversion = nfs4_xdr_minorversion(&args->seq_args) | |
2887 | }; | |
2888 | ||
9f06c719 CL |
2889 | encode_compound_hdr(xdr, req, &hdr); |
2890 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2891 | encode_reclaim_complete(xdr, args, &hdr); | |
18019753 | 2892 | encode_nops(&hdr); |
18019753 RL |
2893 | } |
2894 | ||
7f11d8d3 AA |
2895 | /* |
2896 | * Encode GETDEVICELIST request | |
2897 | */ | |
2898 | static void nfs4_xdr_enc_getdevicelist(struct rpc_rqst *req, | |
2899 | struct xdr_stream *xdr, | |
2900 | struct nfs4_getdevicelist_args *args) | |
2901 | { | |
2902 | struct compound_hdr hdr = { | |
2903 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2904 | }; | |
2905 | ||
2906 | encode_compound_hdr(xdr, req, &hdr); | |
2907 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2908 | encode_putfh(xdr, args->fh, &hdr); | |
2909 | encode_getdevicelist(xdr, args, &hdr); | |
2910 | encode_nops(&hdr); | |
2911 | } | |
2912 | ||
b1f69b75 AA |
2913 | /* |
2914 | * Encode GETDEVICEINFO request | |
2915 | */ | |
9f06c719 CL |
2916 | static void nfs4_xdr_enc_getdeviceinfo(struct rpc_rqst *req, |
2917 | struct xdr_stream *xdr, | |
2918 | struct nfs4_getdeviceinfo_args *args) | |
b1f69b75 | 2919 | { |
b1f69b75 AA |
2920 | struct compound_hdr hdr = { |
2921 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2922 | }; | |
2923 | ||
9f06c719 CL |
2924 | encode_compound_hdr(xdr, req, &hdr); |
2925 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2926 | encode_getdeviceinfo(xdr, args, &hdr); | |
b1f69b75 AA |
2927 | |
2928 | /* set up reply kvec. Subtract notification bitmap max size (2) | |
2929 | * so that notification bitmap is put in xdr_buf tail */ | |
2930 | xdr_inline_pages(&req->rq_rcv_buf, (hdr.replen - 2) << 2, | |
2931 | args->pdev->pages, args->pdev->pgbase, | |
2932 | args->pdev->pglen); | |
2933 | ||
2934 | encode_nops(&hdr); | |
b1f69b75 AA |
2935 | } |
2936 | ||
2937 | /* | |
2938 | * Encode LAYOUTGET request | |
2939 | */ | |
9f06c719 CL |
2940 | static void nfs4_xdr_enc_layoutget(struct rpc_rqst *req, |
2941 | struct xdr_stream *xdr, | |
2942 | struct nfs4_layoutget_args *args) | |
b1f69b75 | 2943 | { |
b1f69b75 AA |
2944 | struct compound_hdr hdr = { |
2945 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2946 | }; | |
2947 | ||
9f06c719 CL |
2948 | encode_compound_hdr(xdr, req, &hdr); |
2949 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2950 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
2951 | encode_layoutget(xdr, args, &hdr); | |
35124a09 WAA |
2952 | |
2953 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, | |
2954 | args->layout.pages, 0, args->layout.pglen); | |
2955 | ||
b1f69b75 | 2956 | encode_nops(&hdr); |
b1f69b75 | 2957 | } |
863a3c6c AA |
2958 | |
2959 | /* | |
2960 | * Encode LAYOUTCOMMIT request | |
2961 | */ | |
cbe82603 BH |
2962 | static void nfs4_xdr_enc_layoutcommit(struct rpc_rqst *req, |
2963 | struct xdr_stream *xdr, | |
2964 | struct nfs4_layoutcommit_args *args) | |
863a3c6c | 2965 | { |
ac7db726 BH |
2966 | struct nfs4_layoutcommit_data *data = |
2967 | container_of(args, struct nfs4_layoutcommit_data, args); | |
863a3c6c AA |
2968 | struct compound_hdr hdr = { |
2969 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2970 | }; | |
2971 | ||
2972 | encode_compound_hdr(xdr, req, &hdr); | |
2973 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2974 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
ac7db726 | 2975 | encode_layoutcommit(xdr, data->args.inode, args, &hdr); |
863a3c6c | 2976 | encode_getfattr(xdr, args->bitmask, &hdr); |
b1f69b75 | 2977 | encode_nops(&hdr); |
cbe82603 BH |
2978 | } |
2979 | ||
2980 | /* | |
2981 | * Encode LAYOUTRETURN request | |
2982 | */ | |
2983 | static void nfs4_xdr_enc_layoutreturn(struct rpc_rqst *req, | |
2984 | struct xdr_stream *xdr, | |
2985 | struct nfs4_layoutreturn_args *args) | |
2986 | { | |
2987 | struct compound_hdr hdr = { | |
2988 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2989 | }; | |
2990 | ||
2991 | encode_compound_hdr(xdr, req, &hdr); | |
2992 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2993 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
2994 | encode_layoutreturn(xdr, args, &hdr); | |
2995 | encode_nops(&hdr); | |
b1f69b75 | 2996 | } |
fca78d6d BS |
2997 | |
2998 | /* | |
2999 | * Encode SECINFO_NO_NAME request | |
3000 | */ | |
3001 | static int nfs4_xdr_enc_secinfo_no_name(struct rpc_rqst *req, | |
3002 | struct xdr_stream *xdr, | |
3003 | struct nfs41_secinfo_no_name_args *args) | |
3004 | { | |
3005 | struct compound_hdr hdr = { | |
3006 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
3007 | }; | |
3008 | ||
3009 | encode_compound_hdr(xdr, req, &hdr); | |
3010 | encode_sequence(xdr, &args->seq_args, &hdr); | |
3011 | encode_putrootfh(xdr, &hdr); | |
3012 | encode_secinfo_no_name(xdr, args, &hdr); | |
3013 | encode_nops(&hdr); | |
3014 | return 0; | |
3015 | } | |
7d974794 BS |
3016 | |
3017 | /* | |
3018 | * Encode TEST_STATEID request | |
3019 | */ | |
3020 | static void nfs4_xdr_enc_test_stateid(struct rpc_rqst *req, | |
3021 | struct xdr_stream *xdr, | |
3022 | struct nfs41_test_stateid_args *args) | |
3023 | { | |
3024 | struct compound_hdr hdr = { | |
3025 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
3026 | }; | |
3027 | ||
3028 | encode_compound_hdr(xdr, req, &hdr); | |
3029 | encode_sequence(xdr, &args->seq_args, &hdr); | |
3030 | encode_test_stateid(xdr, args, &hdr); | |
3031 | encode_nops(&hdr); | |
3032 | } | |
9aeda35f BS |
3033 | |
3034 | /* | |
3035 | * Encode FREE_STATEID request | |
3036 | */ | |
3037 | static void nfs4_xdr_enc_free_stateid(struct rpc_rqst *req, | |
3038 | struct xdr_stream *xdr, | |
3039 | struct nfs41_free_stateid_args *args) | |
3040 | { | |
3041 | struct compound_hdr hdr = { | |
3042 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
3043 | }; | |
3044 | ||
3045 | encode_compound_hdr(xdr, req, &hdr); | |
3046 | encode_sequence(xdr, &args->seq_args, &hdr); | |
3047 | encode_free_stateid(xdr, args, &hdr); | |
3048 | encode_nops(&hdr); | |
3049 | } | |
99fe60d0 BH |
3050 | #endif /* CONFIG_NFS_V4_1 */ |
3051 | ||
686841b3 BH |
3052 | static void print_overflow_msg(const char *func, const struct xdr_stream *xdr) |
3053 | { | |
3054 | dprintk("nfs: %s: prematurely hit end of receive buffer. " | |
3055 | "Remaining buffer length is %tu words.\n", | |
3056 | func, xdr->end - xdr->p); | |
3057 | } | |
1da177e4 | 3058 | |
683b57b4 | 3059 | static int decode_opaque_inline(struct xdr_stream *xdr, unsigned int *len, char **string) |
1da177e4 | 3060 | { |
8687b63a | 3061 | __be32 *p; |
1da177e4 | 3062 | |
c0eae66e BH |
3063 | p = xdr_inline_decode(xdr, 4); |
3064 | if (unlikely(!p)) | |
3065 | goto out_overflow; | |
cccddf4f | 3066 | *len = be32_to_cpup(p); |
c0eae66e BH |
3067 | p = xdr_inline_decode(xdr, *len); |
3068 | if (unlikely(!p)) | |
3069 | goto out_overflow; | |
1da177e4 LT |
3070 | *string = (char *)p; |
3071 | return 0; | |
c0eae66e BH |
3072 | out_overflow: |
3073 | print_overflow_msg(__func__, xdr); | |
3074 | return -EIO; | |
1da177e4 LT |
3075 | } |
3076 | ||
3077 | static int decode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr) | |
3078 | { | |
8687b63a | 3079 | __be32 *p; |
1da177e4 | 3080 | |
c0eae66e BH |
3081 | p = xdr_inline_decode(xdr, 8); |
3082 | if (unlikely(!p)) | |
3083 | goto out_overflow; | |
6f723f77 | 3084 | hdr->status = be32_to_cpup(p++); |
cccddf4f | 3085 | hdr->taglen = be32_to_cpup(p); |
6c0195a4 | 3086 | |
c0eae66e BH |
3087 | p = xdr_inline_decode(xdr, hdr->taglen + 4); |
3088 | if (unlikely(!p)) | |
3089 | goto out_overflow; | |
1da177e4 LT |
3090 | hdr->tag = (char *)p; |
3091 | p += XDR_QUADLEN(hdr->taglen); | |
cccddf4f | 3092 | hdr->nops = be32_to_cpup(p); |
aadf6152 BH |
3093 | if (unlikely(hdr->nops < 1)) |
3094 | return nfs4_stat_to_errno(hdr->status); | |
1da177e4 | 3095 | return 0; |
c0eae66e BH |
3096 | out_overflow: |
3097 | print_overflow_msg(__func__, xdr); | |
3098 | return -EIO; | |
1da177e4 LT |
3099 | } |
3100 | ||
3101 | static int decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected) | |
3102 | { | |
8687b63a | 3103 | __be32 *p; |
1da177e4 LT |
3104 | uint32_t opnum; |
3105 | int32_t nfserr; | |
3106 | ||
c0eae66e BH |
3107 | p = xdr_inline_decode(xdr, 8); |
3108 | if (unlikely(!p)) | |
3109 | goto out_overflow; | |
6f723f77 | 3110 | opnum = be32_to_cpup(p++); |
1da177e4 | 3111 | if (opnum != expected) { |
fe82a183 CL |
3112 | dprintk("nfs: Server returned operation" |
3113 | " %d but we issued a request for %d\n", | |
1da177e4 LT |
3114 | opnum, expected); |
3115 | return -EIO; | |
3116 | } | |
cccddf4f | 3117 | nfserr = be32_to_cpup(p); |
1da177e4 | 3118 | if (nfserr != NFS_OK) |
856dff3d | 3119 | return nfs4_stat_to_errno(nfserr); |
1da177e4 | 3120 | return 0; |
c0eae66e BH |
3121 | out_overflow: |
3122 | print_overflow_msg(__func__, xdr); | |
3123 | return -EIO; | |
1da177e4 LT |
3124 | } |
3125 | ||
3126 | /* Dummy routine */ | |
adfa6f98 | 3127 | static int decode_ace(struct xdr_stream *xdr, void *ace, struct nfs_client *clp) |
1da177e4 | 3128 | { |
8687b63a | 3129 | __be32 *p; |
683b57b4 | 3130 | unsigned int strlen; |
1da177e4 LT |
3131 | char *str; |
3132 | ||
c0eae66e BH |
3133 | p = xdr_inline_decode(xdr, 12); |
3134 | if (likely(p)) | |
3135 | return decode_opaque_inline(xdr, &strlen, &str); | |
3136 | print_overflow_msg(__func__, xdr); | |
3137 | return -EIO; | |
1da177e4 LT |
3138 | } |
3139 | ||
3140 | static int decode_attr_bitmap(struct xdr_stream *xdr, uint32_t *bitmap) | |
3141 | { | |
8687b63a AV |
3142 | uint32_t bmlen; |
3143 | __be32 *p; | |
1da177e4 | 3144 | |
c0eae66e BH |
3145 | p = xdr_inline_decode(xdr, 4); |
3146 | if (unlikely(!p)) | |
3147 | goto out_overflow; | |
cccddf4f | 3148 | bmlen = be32_to_cpup(p); |
1da177e4 | 3149 | |
dae100c2 | 3150 | bitmap[0] = bitmap[1] = bitmap[2] = 0; |
c0eae66e BH |
3151 | p = xdr_inline_decode(xdr, (bmlen << 2)); |
3152 | if (unlikely(!p)) | |
3153 | goto out_overflow; | |
1da177e4 | 3154 | if (bmlen > 0) { |
6f723f77 | 3155 | bitmap[0] = be32_to_cpup(p++); |
dae100c2 FI |
3156 | if (bmlen > 1) { |
3157 | bitmap[1] = be32_to_cpup(p++); | |
3158 | if (bmlen > 2) | |
3159 | bitmap[2] = be32_to_cpup(p); | |
3160 | } | |
1da177e4 LT |
3161 | } |
3162 | return 0; | |
c0eae66e BH |
3163 | out_overflow: |
3164 | print_overflow_msg(__func__, xdr); | |
3165 | return -EIO; | |
1da177e4 LT |
3166 | } |
3167 | ||
8687b63a | 3168 | static inline int decode_attr_length(struct xdr_stream *xdr, uint32_t *attrlen, __be32 **savep) |
1da177e4 | 3169 | { |
8687b63a | 3170 | __be32 *p; |
1da177e4 | 3171 | |
c0eae66e BH |
3172 | p = xdr_inline_decode(xdr, 4); |
3173 | if (unlikely(!p)) | |
3174 | goto out_overflow; | |
cccddf4f | 3175 | *attrlen = be32_to_cpup(p); |
1da177e4 LT |
3176 | *savep = xdr->p; |
3177 | return 0; | |
c0eae66e BH |
3178 | out_overflow: |
3179 | print_overflow_msg(__func__, xdr); | |
3180 | return -EIO; | |
1da177e4 LT |
3181 | } |
3182 | ||
3183 | static int decode_attr_supported(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *bitmask) | |
3184 | { | |
3185 | if (likely(bitmap[0] & FATTR4_WORD0_SUPPORTED_ATTRS)) { | |
3388bff5 RB |
3186 | int ret; |
3187 | ret = decode_attr_bitmap(xdr, bitmask); | |
3188 | if (unlikely(ret < 0)) | |
3189 | return ret; | |
1da177e4 LT |
3190 | bitmap[0] &= ~FATTR4_WORD0_SUPPORTED_ATTRS; |
3191 | } else | |
dae100c2 FI |
3192 | bitmask[0] = bitmask[1] = bitmask[2] = 0; |
3193 | dprintk("%s: bitmask=%08x:%08x:%08x\n", __func__, | |
3194 | bitmask[0], bitmask[1], bitmask[2]); | |
1da177e4 LT |
3195 | return 0; |
3196 | } | |
3197 | ||
3198 | static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *type) | |
3199 | { | |
8687b63a | 3200 | __be32 *p; |
409924e4 | 3201 | int ret = 0; |
1da177e4 LT |
3202 | |
3203 | *type = 0; | |
3204 | if (unlikely(bitmap[0] & (FATTR4_WORD0_TYPE - 1U))) | |
3205 | return -EIO; | |
3206 | if (likely(bitmap[0] & FATTR4_WORD0_TYPE)) { | |
c0eae66e BH |
3207 | p = xdr_inline_decode(xdr, 4); |
3208 | if (unlikely(!p)) | |
3209 | goto out_overflow; | |
cccddf4f | 3210 | *type = be32_to_cpup(p); |
1da177e4 | 3211 | if (*type < NF4REG || *type > NF4NAMEDATTR) { |
3110ff80 | 3212 | dprintk("%s: bad type %d\n", __func__, *type); |
1da177e4 LT |
3213 | return -EIO; |
3214 | } | |
3215 | bitmap[0] &= ~FATTR4_WORD0_TYPE; | |
409924e4 | 3216 | ret = NFS_ATTR_FATTR_TYPE; |
1da177e4 | 3217 | } |
bca79478 | 3218 | dprintk("%s: type=0%o\n", __func__, nfs_type2fmt[*type]); |
409924e4 | 3219 | return ret; |
c0eae66e BH |
3220 | out_overflow: |
3221 | print_overflow_msg(__func__, xdr); | |
3222 | return -EIO; | |
1da177e4 LT |
3223 | } |
3224 | ||
3225 | static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *change) | |
3226 | { | |
8687b63a | 3227 | __be32 *p; |
409924e4 | 3228 | int ret = 0; |
1da177e4 LT |
3229 | |
3230 | *change = 0; | |
3231 | if (unlikely(bitmap[0] & (FATTR4_WORD0_CHANGE - 1U))) | |
3232 | return -EIO; | |
3233 | if (likely(bitmap[0] & FATTR4_WORD0_CHANGE)) { | |
c0eae66e BH |
3234 | p = xdr_inline_decode(xdr, 8); |
3235 | if (unlikely(!p)) | |
3236 | goto out_overflow; | |
cccddf4f | 3237 | xdr_decode_hyper(p, change); |
1da177e4 | 3238 | bitmap[0] &= ~FATTR4_WORD0_CHANGE; |
409924e4 | 3239 | ret = NFS_ATTR_FATTR_CHANGE; |
1da177e4 | 3240 | } |
3110ff80 | 3241 | dprintk("%s: change attribute=%Lu\n", __func__, |
1da177e4 | 3242 | (unsigned long long)*change); |
409924e4 | 3243 | return ret; |
c0eae66e BH |
3244 | out_overflow: |
3245 | print_overflow_msg(__func__, xdr); | |
3246 | return -EIO; | |
1da177e4 LT |
3247 | } |
3248 | ||
3249 | static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *size) | |
3250 | { | |
8687b63a | 3251 | __be32 *p; |
409924e4 | 3252 | int ret = 0; |
1da177e4 LT |
3253 | |
3254 | *size = 0; | |
3255 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SIZE - 1U))) | |
3256 | return -EIO; | |
3257 | if (likely(bitmap[0] & FATTR4_WORD0_SIZE)) { | |
c0eae66e BH |
3258 | p = xdr_inline_decode(xdr, 8); |
3259 | if (unlikely(!p)) | |
3260 | goto out_overflow; | |
cccddf4f | 3261 | xdr_decode_hyper(p, size); |
1da177e4 | 3262 | bitmap[0] &= ~FATTR4_WORD0_SIZE; |
409924e4 | 3263 | ret = NFS_ATTR_FATTR_SIZE; |
1da177e4 | 3264 | } |
3110ff80 | 3265 | dprintk("%s: file size=%Lu\n", __func__, (unsigned long long)*size); |
409924e4 | 3266 | return ret; |
c0eae66e BH |
3267 | out_overflow: |
3268 | print_overflow_msg(__func__, xdr); | |
3269 | return -EIO; | |
1da177e4 LT |
3270 | } |
3271 | ||
3272 | static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3273 | { | |
8687b63a | 3274 | __be32 *p; |
1da177e4 LT |
3275 | |
3276 | *res = 0; | |
3277 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LINK_SUPPORT - 1U))) | |
3278 | return -EIO; | |
3279 | if (likely(bitmap[0] & FATTR4_WORD0_LINK_SUPPORT)) { | |
c0eae66e BH |
3280 | p = xdr_inline_decode(xdr, 4); |
3281 | if (unlikely(!p)) | |
3282 | goto out_overflow; | |
cccddf4f | 3283 | *res = be32_to_cpup(p); |
1da177e4 LT |
3284 | bitmap[0] &= ~FATTR4_WORD0_LINK_SUPPORT; |
3285 | } | |
3110ff80 | 3286 | dprintk("%s: link support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 | 3287 | return 0; |
c0eae66e BH |
3288 | out_overflow: |
3289 | print_overflow_msg(__func__, xdr); | |
3290 | return -EIO; | |
1da177e4 LT |
3291 | } |
3292 | ||
3293 | static int decode_attr_symlink_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3294 | { | |
8687b63a | 3295 | __be32 *p; |
1da177e4 LT |
3296 | |
3297 | *res = 0; | |
3298 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SYMLINK_SUPPORT - 1U))) | |
3299 | return -EIO; | |
3300 | if (likely(bitmap[0] & FATTR4_WORD0_SYMLINK_SUPPORT)) { | |
c0eae66e BH |
3301 | p = xdr_inline_decode(xdr, 4); |
3302 | if (unlikely(!p)) | |
3303 | goto out_overflow; | |
cccddf4f | 3304 | *res = be32_to_cpup(p); |
1da177e4 LT |
3305 | bitmap[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT; |
3306 | } | |
3110ff80 | 3307 | dprintk("%s: symlink support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 | 3308 | return 0; |
c0eae66e BH |
3309 | out_overflow: |
3310 | print_overflow_msg(__func__, xdr); | |
3311 | return -EIO; | |
1da177e4 LT |
3312 | } |
3313 | ||
8b4bdcf8 | 3314 | static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fsid *fsid) |
1da177e4 | 3315 | { |
8687b63a | 3316 | __be32 *p; |
409924e4 | 3317 | int ret = 0; |
1da177e4 LT |
3318 | |
3319 | fsid->major = 0; | |
3320 | fsid->minor = 0; | |
3321 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FSID - 1U))) | |
3322 | return -EIO; | |
3323 | if (likely(bitmap[0] & FATTR4_WORD0_FSID)) { | |
c0eae66e BH |
3324 | p = xdr_inline_decode(xdr, 16); |
3325 | if (unlikely(!p)) | |
3326 | goto out_overflow; | |
3ceb4dbb | 3327 | p = xdr_decode_hyper(p, &fsid->major); |
cccddf4f | 3328 | xdr_decode_hyper(p, &fsid->minor); |
1da177e4 | 3329 | bitmap[0] &= ~FATTR4_WORD0_FSID; |
409924e4 | 3330 | ret = NFS_ATTR_FATTR_FSID; |
1da177e4 | 3331 | } |
3110ff80 | 3332 | dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __func__, |
1da177e4 LT |
3333 | (unsigned long long)fsid->major, |
3334 | (unsigned long long)fsid->minor); | |
409924e4 | 3335 | return ret; |
c0eae66e BH |
3336 | out_overflow: |
3337 | print_overflow_msg(__func__, xdr); | |
3338 | return -EIO; | |
1da177e4 LT |
3339 | } |
3340 | ||
3341 | static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3342 | { | |
8687b63a | 3343 | __be32 *p; |
1da177e4 LT |
3344 | |
3345 | *res = 60; | |
3346 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LEASE_TIME - 1U))) | |
3347 | return -EIO; | |
3348 | if (likely(bitmap[0] & FATTR4_WORD0_LEASE_TIME)) { | |
c0eae66e BH |
3349 | p = xdr_inline_decode(xdr, 4); |
3350 | if (unlikely(!p)) | |
3351 | goto out_overflow; | |
cccddf4f | 3352 | *res = be32_to_cpup(p); |
1da177e4 LT |
3353 | bitmap[0] &= ~FATTR4_WORD0_LEASE_TIME; |
3354 | } | |
3110ff80 | 3355 | dprintk("%s: file size=%u\n", __func__, (unsigned int)*res); |
1da177e4 | 3356 | return 0; |
c0eae66e BH |
3357 | out_overflow: |
3358 | print_overflow_msg(__func__, xdr); | |
3359 | return -EIO; | |
1da177e4 LT |
3360 | } |
3361 | ||
ee7b75fc | 3362 | static int decode_attr_error(struct xdr_stream *xdr, uint32_t *bitmap, int32_t *res) |
ae42c70a BS |
3363 | { |
3364 | __be32 *p; | |
3365 | ||
3366 | if (unlikely(bitmap[0] & (FATTR4_WORD0_RDATTR_ERROR - 1U))) | |
3367 | return -EIO; | |
3368 | if (likely(bitmap[0] & FATTR4_WORD0_RDATTR_ERROR)) { | |
3369 | p = xdr_inline_decode(xdr, 4); | |
3370 | if (unlikely(!p)) | |
3371 | goto out_overflow; | |
3372 | bitmap[0] &= ~FATTR4_WORD0_RDATTR_ERROR; | |
ee7b75fc | 3373 | *res = -be32_to_cpup(p); |
ae42c70a BS |
3374 | } |
3375 | return 0; | |
3376 | out_overflow: | |
3377 | print_overflow_msg(__func__, xdr); | |
3378 | return -EIO; | |
3379 | } | |
3380 | ||
3381 | static int decode_attr_filehandle(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fh *fh) | |
3382 | { | |
3383 | __be32 *p; | |
3384 | int len; | |
3385 | ||
7ad07353 TM |
3386 | if (fh != NULL) |
3387 | memset(fh, 0, sizeof(*fh)); | |
ae42c70a BS |
3388 | |
3389 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEHANDLE - 1U))) | |
3390 | return -EIO; | |
3391 | if (likely(bitmap[0] & FATTR4_WORD0_FILEHANDLE)) { | |
3392 | p = xdr_inline_decode(xdr, 4); | |
3393 | if (unlikely(!p)) | |
3394 | goto out_overflow; | |
3395 | len = be32_to_cpup(p); | |
3396 | if (len > NFS4_FHSIZE) | |
3397 | return -EIO; | |
ae42c70a BS |
3398 | p = xdr_inline_decode(xdr, len); |
3399 | if (unlikely(!p)) | |
3400 | goto out_overflow; | |
7ad07353 TM |
3401 | if (fh != NULL) { |
3402 | memcpy(fh->data, p, len); | |
3403 | fh->size = len; | |
3404 | } | |
ae42c70a BS |
3405 | bitmap[0] &= ~FATTR4_WORD0_FILEHANDLE; |
3406 | } | |
3407 | return 0; | |
3408 | out_overflow: | |
3409 | print_overflow_msg(__func__, xdr); | |
3410 | return -EIO; | |
3411 | } | |
3412 | ||
1da177e4 LT |
3413 | static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) |
3414 | { | |
8687b63a | 3415 | __be32 *p; |
1da177e4 LT |
3416 | |
3417 | *res = ACL4_SUPPORT_ALLOW_ACL|ACL4_SUPPORT_DENY_ACL; | |
3418 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACLSUPPORT - 1U))) | |
3419 | return -EIO; | |
3420 | if (likely(bitmap[0] & FATTR4_WORD0_ACLSUPPORT)) { | |
c0eae66e BH |
3421 | p = xdr_inline_decode(xdr, 4); |
3422 | if (unlikely(!p)) | |
3423 | goto out_overflow; | |
cccddf4f | 3424 | *res = be32_to_cpup(p); |
1da177e4 LT |
3425 | bitmap[0] &= ~FATTR4_WORD0_ACLSUPPORT; |
3426 | } | |
3110ff80 | 3427 | dprintk("%s: ACLs supported=%u\n", __func__, (unsigned int)*res); |
1da177e4 | 3428 | return 0; |
c0eae66e BH |
3429 | out_overflow: |
3430 | print_overflow_msg(__func__, xdr); | |
3431 | return -EIO; | |
1da177e4 LT |
3432 | } |
3433 | ||
3434 | static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) | |
3435 | { | |
8687b63a | 3436 | __be32 *p; |
409924e4 | 3437 | int ret = 0; |
1da177e4 LT |
3438 | |
3439 | *fileid = 0; | |
3440 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEID - 1U))) | |
3441 | return -EIO; | |
3442 | if (likely(bitmap[0] & FATTR4_WORD0_FILEID)) { | |
c0eae66e BH |
3443 | p = xdr_inline_decode(xdr, 8); |
3444 | if (unlikely(!p)) | |
3445 | goto out_overflow; | |
cccddf4f | 3446 | xdr_decode_hyper(p, fileid); |
1da177e4 | 3447 | bitmap[0] &= ~FATTR4_WORD0_FILEID; |
409924e4 | 3448 | ret = NFS_ATTR_FATTR_FILEID; |
1da177e4 | 3449 | } |
3110ff80 | 3450 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
409924e4 | 3451 | return ret; |
c0eae66e BH |
3452 | out_overflow: |
3453 | print_overflow_msg(__func__, xdr); | |
3454 | return -EIO; | |
1da177e4 LT |
3455 | } |
3456 | ||
99baf625 MN |
3457 | static int decode_attr_mounted_on_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) |
3458 | { | |
8687b63a | 3459 | __be32 *p; |
409924e4 | 3460 | int ret = 0; |
99baf625 MN |
3461 | |
3462 | *fileid = 0; | |
3463 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MOUNTED_ON_FILEID - 1U))) | |
3464 | return -EIO; | |
3465 | if (likely(bitmap[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) { | |
c0eae66e BH |
3466 | p = xdr_inline_decode(xdr, 8); |
3467 | if (unlikely(!p)) | |
3468 | goto out_overflow; | |
cccddf4f | 3469 | xdr_decode_hyper(p, fileid); |
99baf625 | 3470 | bitmap[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID; |
28331a46 | 3471 | ret = NFS_ATTR_FATTR_MOUNTED_ON_FILEID; |
99baf625 | 3472 | } |
3110ff80 | 3473 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
409924e4 | 3474 | return ret; |
c0eae66e BH |
3475 | out_overflow: |
3476 | print_overflow_msg(__func__, xdr); | |
3477 | return -EIO; | |
99baf625 MN |
3478 | } |
3479 | ||
1da177e4 LT |
3480 | static int decode_attr_files_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
3481 | { | |
8687b63a | 3482 | __be32 *p; |
1da177e4 LT |
3483 | int status = 0; |
3484 | ||
3485 | *res = 0; | |
3486 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_AVAIL - 1U))) | |
3487 | return -EIO; | |
3488 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_AVAIL)) { | |
c0eae66e BH |
3489 | p = xdr_inline_decode(xdr, 8); |
3490 | if (unlikely(!p)) | |
3491 | goto out_overflow; | |
cccddf4f | 3492 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3493 | bitmap[0] &= ~FATTR4_WORD0_FILES_AVAIL; |
3494 | } | |
3110ff80 | 3495 | dprintk("%s: files avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3496 | return status; |
c0eae66e BH |
3497 | out_overflow: |
3498 | print_overflow_msg(__func__, xdr); | |
3499 | return -EIO; | |
1da177e4 LT |
3500 | } |
3501 | ||
3502 | static int decode_attr_files_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3503 | { | |
8687b63a | 3504 | __be32 *p; |
1da177e4 LT |
3505 | int status = 0; |
3506 | ||
3507 | *res = 0; | |
3508 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_FREE - 1U))) | |
3509 | return -EIO; | |
3510 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_FREE)) { | |
c0eae66e BH |
3511 | p = xdr_inline_decode(xdr, 8); |
3512 | if (unlikely(!p)) | |
3513 | goto out_overflow; | |
cccddf4f | 3514 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3515 | bitmap[0] &= ~FATTR4_WORD0_FILES_FREE; |
3516 | } | |
3110ff80 | 3517 | dprintk("%s: files free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3518 | return status; |
c0eae66e BH |
3519 | out_overflow: |
3520 | print_overflow_msg(__func__, xdr); | |
3521 | return -EIO; | |
1da177e4 LT |
3522 | } |
3523 | ||
3524 | static int decode_attr_files_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3525 | { | |
8687b63a | 3526 | __be32 *p; |
1da177e4 LT |
3527 | int status = 0; |
3528 | ||
3529 | *res = 0; | |
3530 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_TOTAL - 1U))) | |
3531 | return -EIO; | |
3532 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_TOTAL)) { | |
c0eae66e BH |
3533 | p = xdr_inline_decode(xdr, 8); |
3534 | if (unlikely(!p)) | |
3535 | goto out_overflow; | |
cccddf4f | 3536 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3537 | bitmap[0] &= ~FATTR4_WORD0_FILES_TOTAL; |
3538 | } | |
3110ff80 | 3539 | dprintk("%s: files total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3540 | return status; |
c0eae66e BH |
3541 | out_overflow: |
3542 | print_overflow_msg(__func__, xdr); | |
3543 | return -EIO; | |
1da177e4 LT |
3544 | } |
3545 | ||
7aaa0b3b MN |
3546 | static int decode_pathname(struct xdr_stream *xdr, struct nfs4_pathname *path) |
3547 | { | |
464ad6b1 | 3548 | u32 n; |
8687b63a | 3549 | __be32 *p; |
7aaa0b3b MN |
3550 | int status = 0; |
3551 | ||
c0eae66e BH |
3552 | p = xdr_inline_decode(xdr, 4); |
3553 | if (unlikely(!p)) | |
3554 | goto out_overflow; | |
cccddf4f | 3555 | n = be32_to_cpup(p); |
33a43f28 AA |
3556 | if (n == 0) |
3557 | goto root_path; | |
7aaa0b3b MN |
3558 | dprintk("path "); |
3559 | path->ncomponents = 0; | |
3560 | while (path->ncomponents < n) { | |
3561 | struct nfs4_string *component = &path->components[path->ncomponents]; | |
3562 | status = decode_opaque_inline(xdr, &component->len, &component->data); | |
3563 | if (unlikely(status != 0)) | |
3564 | goto out_eio; | |
3565 | if (path->ncomponents != n) | |
3566 | dprintk("/"); | |
3567 | dprintk("%s", component->data); | |
3568 | if (path->ncomponents < NFS4_PATHNAME_MAXCOMPONENTS) | |
3569 | path->ncomponents++; | |
3570 | else { | |
3571 | dprintk("cannot parse %d components in path\n", n); | |
3572 | goto out_eio; | |
3573 | } | |
3574 | } | |
3575 | out: | |
3576 | dprintk("\n"); | |
3577 | return status; | |
33a43f28 AA |
3578 | root_path: |
3579 | /* a root pathname is sent as a zero component4 */ | |
3580 | path->ncomponents = 1; | |
3581 | path->components[0].len=0; | |
3582 | path->components[0].data=NULL; | |
3583 | dprintk("path /\n"); | |
3584 | goto out; | |
7aaa0b3b MN |
3585 | out_eio: |
3586 | dprintk(" status %d", status); | |
3587 | status = -EIO; | |
3588 | goto out; | |
c0eae66e BH |
3589 | out_overflow: |
3590 | print_overflow_msg(__func__, xdr); | |
3591 | return -EIO; | |
7aaa0b3b MN |
3592 | } |
3593 | ||
3594 | static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_fs_locations *res) | |
683b57b4 TM |
3595 | { |
3596 | int n; | |
8687b63a | 3597 | __be32 *p; |
683b57b4 TM |
3598 | int status = -EIO; |
3599 | ||
3600 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FS_LOCATIONS -1U))) | |
3601 | goto out; | |
3602 | status = 0; | |
3603 | if (unlikely(!(bitmap[0] & FATTR4_WORD0_FS_LOCATIONS))) | |
3604 | goto out; | |
8b7e3f49 TM |
3605 | status = -EIO; |
3606 | /* Ignore borken servers that return unrequested attrs */ | |
3607 | if (unlikely(res == NULL)) | |
3608 | goto out; | |
3110ff80 | 3609 | dprintk("%s: fsroot ", __func__); |
7aaa0b3b | 3610 | status = decode_pathname(xdr, &res->fs_path); |
683b57b4 TM |
3611 | if (unlikely(status != 0)) |
3612 | goto out; | |
c0eae66e BH |
3613 | p = xdr_inline_decode(xdr, 4); |
3614 | if (unlikely(!p)) | |
3615 | goto out_overflow; | |
cccddf4f | 3616 | n = be32_to_cpup(p); |
683b57b4 TM |
3617 | if (n <= 0) |
3618 | goto out_eio; | |
3619 | res->nlocations = 0; | |
3620 | while (res->nlocations < n) { | |
464ad6b1 | 3621 | u32 m; |
7aaa0b3b | 3622 | struct nfs4_fs_location *loc = &res->locations[res->nlocations]; |
683b57b4 | 3623 | |
c0eae66e BH |
3624 | p = xdr_inline_decode(xdr, 4); |
3625 | if (unlikely(!p)) | |
3626 | goto out_overflow; | |
cccddf4f | 3627 | m = be32_to_cpup(p); |
7aaa0b3b MN |
3628 | |
3629 | loc->nservers = 0; | |
3110ff80 | 3630 | dprintk("%s: servers ", __func__); |
7aaa0b3b MN |
3631 | while (loc->nservers < m) { |
3632 | struct nfs4_string *server = &loc->servers[loc->nservers]; | |
3633 | status = decode_opaque_inline(xdr, &server->len, &server->data); | |
3634 | if (unlikely(status != 0)) | |
3635 | goto out_eio; | |
3636 | dprintk("%s ", server->data); | |
3637 | if (loc->nservers < NFS4_FS_LOCATION_MAXSERVERS) | |
3638 | loc->nservers++; | |
3639 | else { | |
464ad6b1 CL |
3640 | unsigned int i; |
3641 | dprintk("%s: using first %u of %u servers " | |
3642 | "returned for location %u\n", | |
3110ff80 | 3643 | __func__, |
464ad6b1 CL |
3644 | NFS4_FS_LOCATION_MAXSERVERS, |
3645 | m, res->nlocations); | |
7aaa0b3b | 3646 | for (i = loc->nservers; i < m; i++) { |
2e42c3e2 | 3647 | unsigned int len; |
7aaa0b3b MN |
3648 | char *data; |
3649 | status = decode_opaque_inline(xdr, &len, &data); | |
3650 | if (unlikely(status != 0)) | |
3651 | goto out_eio; | |
3652 | } | |
3653 | } | |
3654 | } | |
3655 | status = decode_pathname(xdr, &loc->rootpath); | |
683b57b4 TM |
3656 | if (unlikely(status != 0)) |
3657 | goto out_eio; | |
7aaa0b3b | 3658 | if (res->nlocations < NFS4_FS_LOCATIONS_MAXENTRIES) |
683b57b4 TM |
3659 | res->nlocations++; |
3660 | } | |
409924e4 TM |
3661 | if (res->nlocations != 0) |
3662 | status = NFS_ATTR_FATTR_V4_REFERRAL; | |
683b57b4 | 3663 | out: |
3110ff80 | 3664 | dprintk("%s: fs_locations done, error = %d\n", __func__, status); |
683b57b4 | 3665 | return status; |
c0eae66e BH |
3666 | out_overflow: |
3667 | print_overflow_msg(__func__, xdr); | |
683b57b4 TM |
3668 | out_eio: |
3669 | status = -EIO; | |
3670 | goto out; | |
3671 | } | |
3672 | ||
1da177e4 LT |
3673 | static int decode_attr_maxfilesize(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
3674 | { | |
8687b63a | 3675 | __be32 *p; |
1da177e4 LT |
3676 | int status = 0; |
3677 | ||
3678 | *res = 0; | |
3679 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXFILESIZE - 1U))) | |
3680 | return -EIO; | |
3681 | if (likely(bitmap[0] & FATTR4_WORD0_MAXFILESIZE)) { | |
c0eae66e BH |
3682 | p = xdr_inline_decode(xdr, 8); |
3683 | if (unlikely(!p)) | |
3684 | goto out_overflow; | |
cccddf4f | 3685 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3686 | bitmap[0] &= ~FATTR4_WORD0_MAXFILESIZE; |
3687 | } | |
3110ff80 | 3688 | dprintk("%s: maxfilesize=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3689 | return status; |
c0eae66e BH |
3690 | out_overflow: |
3691 | print_overflow_msg(__func__, xdr); | |
3692 | return -EIO; | |
1da177e4 LT |
3693 | } |
3694 | ||
3695 | static int decode_attr_maxlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxlink) | |
3696 | { | |
8687b63a | 3697 | __be32 *p; |
1da177e4 LT |
3698 | int status = 0; |
3699 | ||
3700 | *maxlink = 1; | |
3701 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXLINK - 1U))) | |
3702 | return -EIO; | |
3703 | if (likely(bitmap[0] & FATTR4_WORD0_MAXLINK)) { | |
c0eae66e BH |
3704 | p = xdr_inline_decode(xdr, 4); |
3705 | if (unlikely(!p)) | |
3706 | goto out_overflow; | |
cccddf4f | 3707 | *maxlink = be32_to_cpup(p); |
1da177e4 LT |
3708 | bitmap[0] &= ~FATTR4_WORD0_MAXLINK; |
3709 | } | |
3110ff80 | 3710 | dprintk("%s: maxlink=%u\n", __func__, *maxlink); |
1da177e4 | 3711 | return status; |
c0eae66e BH |
3712 | out_overflow: |
3713 | print_overflow_msg(__func__, xdr); | |
3714 | return -EIO; | |
1da177e4 LT |
3715 | } |
3716 | ||
3717 | static int decode_attr_maxname(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxname) | |
3718 | { | |
8687b63a | 3719 | __be32 *p; |
1da177e4 LT |
3720 | int status = 0; |
3721 | ||
3722 | *maxname = 1024; | |
3723 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXNAME - 1U))) | |
3724 | return -EIO; | |
3725 | if (likely(bitmap[0] & FATTR4_WORD0_MAXNAME)) { | |
c0eae66e BH |
3726 | p = xdr_inline_decode(xdr, 4); |
3727 | if (unlikely(!p)) | |
3728 | goto out_overflow; | |
cccddf4f | 3729 | *maxname = be32_to_cpup(p); |
1da177e4 LT |
3730 | bitmap[0] &= ~FATTR4_WORD0_MAXNAME; |
3731 | } | |
3110ff80 | 3732 | dprintk("%s: maxname=%u\n", __func__, *maxname); |
1da177e4 | 3733 | return status; |
c0eae66e BH |
3734 | out_overflow: |
3735 | print_overflow_msg(__func__, xdr); | |
3736 | return -EIO; | |
1da177e4 LT |
3737 | } |
3738 | ||
3739 | static int decode_attr_maxread(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3740 | { | |
8687b63a | 3741 | __be32 *p; |
1da177e4 LT |
3742 | int status = 0; |
3743 | ||
3744 | *res = 1024; | |
3745 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXREAD - 1U))) | |
3746 | return -EIO; | |
3747 | if (likely(bitmap[0] & FATTR4_WORD0_MAXREAD)) { | |
3748 | uint64_t maxread; | |
c0eae66e BH |
3749 | p = xdr_inline_decode(xdr, 8); |
3750 | if (unlikely(!p)) | |
3751 | goto out_overflow; | |
cccddf4f | 3752 | xdr_decode_hyper(p, &maxread); |
1da177e4 LT |
3753 | if (maxread > 0x7FFFFFFF) |
3754 | maxread = 0x7FFFFFFF; | |
3755 | *res = (uint32_t)maxread; | |
3756 | bitmap[0] &= ~FATTR4_WORD0_MAXREAD; | |
3757 | } | |
3110ff80 | 3758 | dprintk("%s: maxread=%lu\n", __func__, (unsigned long)*res); |
1da177e4 | 3759 | return status; |
c0eae66e BH |
3760 | out_overflow: |
3761 | print_overflow_msg(__func__, xdr); | |
3762 | return -EIO; | |
1da177e4 LT |
3763 | } |
3764 | ||
3765 | static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3766 | { | |
8687b63a | 3767 | __be32 *p; |
1da177e4 LT |
3768 | int status = 0; |
3769 | ||
3770 | *res = 1024; | |
3771 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXWRITE - 1U))) | |
3772 | return -EIO; | |
3773 | if (likely(bitmap[0] & FATTR4_WORD0_MAXWRITE)) { | |
3774 | uint64_t maxwrite; | |
c0eae66e BH |
3775 | p = xdr_inline_decode(xdr, 8); |
3776 | if (unlikely(!p)) | |
3777 | goto out_overflow; | |
cccddf4f | 3778 | xdr_decode_hyper(p, &maxwrite); |
1da177e4 LT |
3779 | if (maxwrite > 0x7FFFFFFF) |
3780 | maxwrite = 0x7FFFFFFF; | |
3781 | *res = (uint32_t)maxwrite; | |
3782 | bitmap[0] &= ~FATTR4_WORD0_MAXWRITE; | |
3783 | } | |
3110ff80 | 3784 | dprintk("%s: maxwrite=%lu\n", __func__, (unsigned long)*res); |
1da177e4 | 3785 | return status; |
c0eae66e BH |
3786 | out_overflow: |
3787 | print_overflow_msg(__func__, xdr); | |
3788 | return -EIO; | |
1da177e4 LT |
3789 | } |
3790 | ||
bca79478 | 3791 | static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, umode_t *mode) |
1da177e4 | 3792 | { |
bca79478 | 3793 | uint32_t tmp; |
8687b63a | 3794 | __be32 *p; |
409924e4 | 3795 | int ret = 0; |
1da177e4 LT |
3796 | |
3797 | *mode = 0; | |
3798 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MODE - 1U))) | |
3799 | return -EIO; | |
3800 | if (likely(bitmap[1] & FATTR4_WORD1_MODE)) { | |
c0eae66e BH |
3801 | p = xdr_inline_decode(xdr, 4); |
3802 | if (unlikely(!p)) | |
3803 | goto out_overflow; | |
cccddf4f | 3804 | tmp = be32_to_cpup(p); |
bca79478 | 3805 | *mode = tmp & ~S_IFMT; |
1da177e4 | 3806 | bitmap[1] &= ~FATTR4_WORD1_MODE; |
409924e4 | 3807 | ret = NFS_ATTR_FATTR_MODE; |
1da177e4 | 3808 | } |
3110ff80 | 3809 | dprintk("%s: file mode=0%o\n", __func__, (unsigned int)*mode); |
409924e4 | 3810 | return ret; |
c0eae66e BH |
3811 | out_overflow: |
3812 | print_overflow_msg(__func__, xdr); | |
3813 | return -EIO; | |
1da177e4 LT |
3814 | } |
3815 | ||
3816 | static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *nlink) | |
3817 | { | |
8687b63a | 3818 | __be32 *p; |
409924e4 | 3819 | int ret = 0; |
1da177e4 LT |
3820 | |
3821 | *nlink = 1; | |
3822 | if (unlikely(bitmap[1] & (FATTR4_WORD1_NUMLINKS - 1U))) | |
3823 | return -EIO; | |
3824 | if (likely(bitmap[1] & FATTR4_WORD1_NUMLINKS)) { | |
c0eae66e BH |
3825 | p = xdr_inline_decode(xdr, 4); |
3826 | if (unlikely(!p)) | |
3827 | goto out_overflow; | |
cccddf4f | 3828 | *nlink = be32_to_cpup(p); |
1da177e4 | 3829 | bitmap[1] &= ~FATTR4_WORD1_NUMLINKS; |
409924e4 | 3830 | ret = NFS_ATTR_FATTR_NLINK; |
1da177e4 | 3831 | } |
3110ff80 | 3832 | dprintk("%s: nlink=%u\n", __func__, (unsigned int)*nlink); |
409924e4 | 3833 | return ret; |
c0eae66e BH |
3834 | out_overflow: |
3835 | print_overflow_msg(__func__, xdr); | |
3836 | return -EIO; | |
1da177e4 LT |
3837 | } |
3838 | ||
80e52ace | 3839 | static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, |
6926afd1 TM |
3840 | const struct nfs_server *server, uint32_t *uid, |
3841 | struct nfs4_string *owner_name) | |
1da177e4 | 3842 | { |
8687b63a AV |
3843 | uint32_t len; |
3844 | __be32 *p; | |
409924e4 | 3845 | int ret = 0; |
1da177e4 LT |
3846 | |
3847 | *uid = -2; | |
3848 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER - 1U))) | |
3849 | return -EIO; | |
3850 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER)) { | |
c0eae66e BH |
3851 | p = xdr_inline_decode(xdr, 4); |
3852 | if (unlikely(!p)) | |
3853 | goto out_overflow; | |
cccddf4f | 3854 | len = be32_to_cpup(p); |
c0eae66e BH |
3855 | p = xdr_inline_decode(xdr, len); |
3856 | if (unlikely(!p)) | |
3857 | goto out_overflow; | |
6926afd1 TM |
3858 | if (owner_name != NULL) { |
3859 | owner_name->data = kmemdup(p, len, GFP_NOWAIT); | |
3860 | if (owner_name->data != NULL) { | |
3861 | owner_name->len = len; | |
3862 | ret = NFS_ATTR_FATTR_OWNER_NAME; | |
3863 | } | |
80e52ace | 3864 | } else if (len < XDR_MAX_NETOBJ) { |
e4fd72a1 | 3865 | if (nfs_map_name_to_uid(server, (char *)p, len, uid) == 0) |
409924e4 TM |
3866 | ret = NFS_ATTR_FATTR_OWNER; |
3867 | else | |
1da177e4 | 3868 | dprintk("%s: nfs_map_name_to_uid failed!\n", |
3110ff80 | 3869 | __func__); |
1da177e4 | 3870 | } else |
fe82a183 | 3871 | dprintk("%s: name too long (%u)!\n", |
3110ff80 | 3872 | __func__, len); |
1da177e4 LT |
3873 | bitmap[1] &= ~FATTR4_WORD1_OWNER; |
3874 | } | |
3110ff80 | 3875 | dprintk("%s: uid=%d\n", __func__, (int)*uid); |
409924e4 | 3876 | return ret; |
c0eae66e BH |
3877 | out_overflow: |
3878 | print_overflow_msg(__func__, xdr); | |
3879 | return -EIO; | |
1da177e4 LT |
3880 | } |
3881 | ||
80e52ace | 3882 | static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, |
6926afd1 TM |
3883 | const struct nfs_server *server, uint32_t *gid, |
3884 | struct nfs4_string *group_name) | |
1da177e4 | 3885 | { |
8687b63a AV |
3886 | uint32_t len; |
3887 | __be32 *p; | |
409924e4 | 3888 | int ret = 0; |
1da177e4 LT |
3889 | |
3890 | *gid = -2; | |
3891 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER_GROUP - 1U))) | |
3892 | return -EIO; | |
3893 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER_GROUP)) { | |
c0eae66e BH |
3894 | p = xdr_inline_decode(xdr, 4); |
3895 | if (unlikely(!p)) | |
3896 | goto out_overflow; | |
cccddf4f | 3897 | len = be32_to_cpup(p); |
c0eae66e BH |
3898 | p = xdr_inline_decode(xdr, len); |
3899 | if (unlikely(!p)) | |
3900 | goto out_overflow; | |
6926afd1 TM |
3901 | if (group_name != NULL) { |
3902 | group_name->data = kmemdup(p, len, GFP_NOWAIT); | |
3903 | if (group_name->data != NULL) { | |
3904 | group_name->len = len; | |
3905 | ret = NFS_ATTR_FATTR_GROUP_NAME; | |
3906 | } | |
80e52ace | 3907 | } else if (len < XDR_MAX_NETOBJ) { |
e4fd72a1 | 3908 | if (nfs_map_group_to_gid(server, (char *)p, len, gid) == 0) |
409924e4 TM |
3909 | ret = NFS_ATTR_FATTR_GROUP; |
3910 | else | |
1da177e4 | 3911 | dprintk("%s: nfs_map_group_to_gid failed!\n", |
3110ff80 | 3912 | __func__); |
1da177e4 | 3913 | } else |
fe82a183 | 3914 | dprintk("%s: name too long (%u)!\n", |
3110ff80 | 3915 | __func__, len); |
1da177e4 LT |
3916 | bitmap[1] &= ~FATTR4_WORD1_OWNER_GROUP; |
3917 | } | |
3110ff80 | 3918 | dprintk("%s: gid=%d\n", __func__, (int)*gid); |
409924e4 | 3919 | return ret; |
c0eae66e BH |
3920 | out_overflow: |
3921 | print_overflow_msg(__func__, xdr); | |
3922 | return -EIO; | |
1da177e4 LT |
3923 | } |
3924 | ||
3925 | static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rdev) | |
3926 | { | |
8687b63a AV |
3927 | uint32_t major = 0, minor = 0; |
3928 | __be32 *p; | |
409924e4 | 3929 | int ret = 0; |
1da177e4 LT |
3930 | |
3931 | *rdev = MKDEV(0,0); | |
3932 | if (unlikely(bitmap[1] & (FATTR4_WORD1_RAWDEV - 1U))) | |
3933 | return -EIO; | |
3934 | if (likely(bitmap[1] & FATTR4_WORD1_RAWDEV)) { | |
3935 | dev_t tmp; | |
3936 | ||
c0eae66e BH |
3937 | p = xdr_inline_decode(xdr, 8); |
3938 | if (unlikely(!p)) | |
3939 | goto out_overflow; | |
6f723f77 | 3940 | major = be32_to_cpup(p++); |
cccddf4f | 3941 | minor = be32_to_cpup(p); |
1da177e4 LT |
3942 | tmp = MKDEV(major, minor); |
3943 | if (MAJOR(tmp) == major && MINOR(tmp) == minor) | |
3944 | *rdev = tmp; | |
3945 | bitmap[1] &= ~ FATTR4_WORD1_RAWDEV; | |
409924e4 | 3946 | ret = NFS_ATTR_FATTR_RDEV; |
1da177e4 | 3947 | } |
3110ff80 | 3948 | dprintk("%s: rdev=(0x%x:0x%x)\n", __func__, major, minor); |
409924e4 | 3949 | return ret; |
c0eae66e BH |
3950 | out_overflow: |
3951 | print_overflow_msg(__func__, xdr); | |
3952 | return -EIO; | |
1da177e4 LT |
3953 | } |
3954 | ||
3955 | static int decode_attr_space_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3956 | { | |
8687b63a | 3957 | __be32 *p; |
1da177e4 LT |
3958 | int status = 0; |
3959 | ||
3960 | *res = 0; | |
3961 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_AVAIL - 1U))) | |
3962 | return -EIO; | |
3963 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_AVAIL)) { | |
c0eae66e BH |
3964 | p = xdr_inline_decode(xdr, 8); |
3965 | if (unlikely(!p)) | |
3966 | goto out_overflow; | |
cccddf4f | 3967 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3968 | bitmap[1] &= ~FATTR4_WORD1_SPACE_AVAIL; |
3969 | } | |
3110ff80 | 3970 | dprintk("%s: space avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3971 | return status; |
c0eae66e BH |
3972 | out_overflow: |
3973 | print_overflow_msg(__func__, xdr); | |
3974 | return -EIO; | |
1da177e4 LT |
3975 | } |
3976 | ||
3977 | static int decode_attr_space_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3978 | { | |
8687b63a | 3979 | __be32 *p; |
1da177e4 LT |
3980 | int status = 0; |
3981 | ||
3982 | *res = 0; | |
3983 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_FREE - 1U))) | |
3984 | return -EIO; | |
3985 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_FREE)) { | |
c0eae66e BH |
3986 | p = xdr_inline_decode(xdr, 8); |
3987 | if (unlikely(!p)) | |
3988 | goto out_overflow; | |
cccddf4f | 3989 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3990 | bitmap[1] &= ~FATTR4_WORD1_SPACE_FREE; |
3991 | } | |
3110ff80 | 3992 | dprintk("%s: space free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3993 | return status; |
c0eae66e BH |
3994 | out_overflow: |
3995 | print_overflow_msg(__func__, xdr); | |
3996 | return -EIO; | |
1da177e4 LT |
3997 | } |
3998 | ||
3999 | static int decode_attr_space_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
4000 | { | |
8687b63a | 4001 | __be32 *p; |
1da177e4 LT |
4002 | int status = 0; |
4003 | ||
4004 | *res = 0; | |
4005 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_TOTAL - 1U))) | |
4006 | return -EIO; | |
4007 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_TOTAL)) { | |
c0eae66e BH |
4008 | p = xdr_inline_decode(xdr, 8); |
4009 | if (unlikely(!p)) | |
4010 | goto out_overflow; | |
cccddf4f | 4011 | xdr_decode_hyper(p, res); |
1da177e4 LT |
4012 | bitmap[1] &= ~FATTR4_WORD1_SPACE_TOTAL; |
4013 | } | |
3110ff80 | 4014 | dprintk("%s: space total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 4015 | return status; |
c0eae66e BH |
4016 | out_overflow: |
4017 | print_overflow_msg(__func__, xdr); | |
4018 | return -EIO; | |
1da177e4 LT |
4019 | } |
4020 | ||
4021 | static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *used) | |
4022 | { | |
8687b63a | 4023 | __be32 *p; |
409924e4 | 4024 | int ret = 0; |
1da177e4 LT |
4025 | |
4026 | *used = 0; | |
4027 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_USED - 1U))) | |
4028 | return -EIO; | |
4029 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_USED)) { | |
c0eae66e BH |
4030 | p = xdr_inline_decode(xdr, 8); |
4031 | if (unlikely(!p)) | |
4032 | goto out_overflow; | |
cccddf4f | 4033 | xdr_decode_hyper(p, used); |
1da177e4 | 4034 | bitmap[1] &= ~FATTR4_WORD1_SPACE_USED; |
409924e4 | 4035 | ret = NFS_ATTR_FATTR_SPACE_USED; |
1da177e4 | 4036 | } |
3110ff80 | 4037 | dprintk("%s: space used=%Lu\n", __func__, |
1da177e4 | 4038 | (unsigned long long)*used); |
409924e4 | 4039 | return ret; |
c0eae66e BH |
4040 | out_overflow: |
4041 | print_overflow_msg(__func__, xdr); | |
4042 | return -EIO; | |
1da177e4 LT |
4043 | } |
4044 | ||
4045 | static int decode_attr_time(struct xdr_stream *xdr, struct timespec *time) | |
4046 | { | |
8687b63a | 4047 | __be32 *p; |
1da177e4 LT |
4048 | uint64_t sec; |
4049 | uint32_t nsec; | |
4050 | ||
c0eae66e BH |
4051 | p = xdr_inline_decode(xdr, 12); |
4052 | if (unlikely(!p)) | |
4053 | goto out_overflow; | |
3ceb4dbb | 4054 | p = xdr_decode_hyper(p, &sec); |
cccddf4f | 4055 | nsec = be32_to_cpup(p); |
1da177e4 LT |
4056 | time->tv_sec = (time_t)sec; |
4057 | time->tv_nsec = (long)nsec; | |
4058 | return 0; | |
c0eae66e BH |
4059 | out_overflow: |
4060 | print_overflow_msg(__func__, xdr); | |
4061 | return -EIO; | |
1da177e4 LT |
4062 | } |
4063 | ||
4064 | static int decode_attr_time_access(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
4065 | { | |
4066 | int status = 0; | |
4067 | ||
4068 | time->tv_sec = 0; | |
4069 | time->tv_nsec = 0; | |
4070 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_ACCESS - 1U))) | |
4071 | return -EIO; | |
4072 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_ACCESS)) { | |
4073 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4074 | if (status == 0) |
4075 | status = NFS_ATTR_FATTR_ATIME; | |
1da177e4 LT |
4076 | bitmap[1] &= ~FATTR4_WORD1_TIME_ACCESS; |
4077 | } | |
3110ff80 | 4078 | dprintk("%s: atime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
4079 | return status; |
4080 | } | |
4081 | ||
4082 | static int decode_attr_time_metadata(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
4083 | { | |
4084 | int status = 0; | |
4085 | ||
4086 | time->tv_sec = 0; | |
4087 | time->tv_nsec = 0; | |
4088 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_METADATA - 1U))) | |
4089 | return -EIO; | |
4090 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_METADATA)) { | |
4091 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4092 | if (status == 0) |
4093 | status = NFS_ATTR_FATTR_CTIME; | |
1da177e4 LT |
4094 | bitmap[1] &= ~FATTR4_WORD1_TIME_METADATA; |
4095 | } | |
3110ff80 | 4096 | dprintk("%s: ctime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
4097 | return status; |
4098 | } | |
4099 | ||
55b6e774 RL |
4100 | static int decode_attr_time_delta(struct xdr_stream *xdr, uint32_t *bitmap, |
4101 | struct timespec *time) | |
4102 | { | |
4103 | int status = 0; | |
4104 | ||
4105 | time->tv_sec = 0; | |
4106 | time->tv_nsec = 0; | |
4107 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_DELTA - 1U))) | |
4108 | return -EIO; | |
4109 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_DELTA)) { | |
4110 | status = decode_attr_time(xdr, time); | |
4111 | bitmap[1] &= ~FATTR4_WORD1_TIME_DELTA; | |
4112 | } | |
4113 | dprintk("%s: time_delta=%ld %ld\n", __func__, (long)time->tv_sec, | |
4114 | (long)time->tv_nsec); | |
4115 | return status; | |
4116 | } | |
4117 | ||
1da177e4 LT |
4118 | static int decode_attr_time_modify(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) |
4119 | { | |
4120 | int status = 0; | |
4121 | ||
4122 | time->tv_sec = 0; | |
4123 | time->tv_nsec = 0; | |
4124 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_MODIFY - 1U))) | |
4125 | return -EIO; | |
4126 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_MODIFY)) { | |
4127 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4128 | if (status == 0) |
4129 | status = NFS_ATTR_FATTR_MTIME; | |
1da177e4 LT |
4130 | bitmap[1] &= ~FATTR4_WORD1_TIME_MODIFY; |
4131 | } | |
3110ff80 | 4132 | dprintk("%s: mtime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
4133 | return status; |
4134 | } | |
4135 | ||
8687b63a | 4136 | static int verify_attr_len(struct xdr_stream *xdr, __be32 *savep, uint32_t attrlen) |
1da177e4 LT |
4137 | { |
4138 | unsigned int attrwords = XDR_QUADLEN(attrlen); | |
4139 | unsigned int nwords = xdr->p - savep; | |
4140 | ||
4141 | if (unlikely(attrwords != nwords)) { | |
fe82a183 CL |
4142 | dprintk("%s: server returned incorrect attribute length: " |
4143 | "%u %c %u\n", | |
3110ff80 | 4144 | __func__, |
1da177e4 LT |
4145 | attrwords << 2, |
4146 | (attrwords < nwords) ? '<' : '>', | |
4147 | nwords << 2); | |
4148 | return -EIO; | |
4149 | } | |
4150 | return 0; | |
4151 | } | |
4152 | ||
4153 | static int decode_change_info(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4154 | { | |
8687b63a | 4155 | __be32 *p; |
1da177e4 | 4156 | |
c0eae66e BH |
4157 | p = xdr_inline_decode(xdr, 20); |
4158 | if (unlikely(!p)) | |
4159 | goto out_overflow; | |
6f723f77 | 4160 | cinfo->atomic = be32_to_cpup(p++); |
3ceb4dbb | 4161 | p = xdr_decode_hyper(p, &cinfo->before); |
cccddf4f | 4162 | xdr_decode_hyper(p, &cinfo->after); |
1da177e4 | 4163 | return 0; |
c0eae66e BH |
4164 | out_overflow: |
4165 | print_overflow_msg(__func__, xdr); | |
4166 | return -EIO; | |
1da177e4 LT |
4167 | } |
4168 | ||
4169 | static int decode_access(struct xdr_stream *xdr, struct nfs4_accessres *access) | |
4170 | { | |
8687b63a | 4171 | __be32 *p; |
1da177e4 LT |
4172 | uint32_t supp, acc; |
4173 | int status; | |
4174 | ||
4175 | status = decode_op_hdr(xdr, OP_ACCESS); | |
4176 | if (status) | |
4177 | return status; | |
c0eae66e BH |
4178 | p = xdr_inline_decode(xdr, 8); |
4179 | if (unlikely(!p)) | |
4180 | goto out_overflow; | |
6f723f77 | 4181 | supp = be32_to_cpup(p++); |
cccddf4f | 4182 | acc = be32_to_cpup(p); |
1da177e4 LT |
4183 | access->supported = supp; |
4184 | access->access = acc; | |
4185 | return 0; | |
c0eae66e BH |
4186 | out_overflow: |
4187 | print_overflow_msg(__func__, xdr); | |
4188 | return -EIO; | |
1da177e4 LT |
4189 | } |
4190 | ||
07d30434 | 4191 | static int decode_opaque_fixed(struct xdr_stream *xdr, void *buf, size_t len) |
1da177e4 | 4192 | { |
8687b63a | 4193 | __be32 *p; |
07d30434 BH |
4194 | |
4195 | p = xdr_inline_decode(xdr, len); | |
4196 | if (likely(p)) { | |
4197 | memcpy(buf, p, len); | |
4198 | return 0; | |
4199 | } | |
4200 | print_overflow_msg(__func__, xdr); | |
4201 | return -EIO; | |
4202 | } | |
4203 | ||
4204 | static int decode_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) | |
4205 | { | |
4206 | return decode_opaque_fixed(xdr, stateid->data, NFS4_STATEID_SIZE); | |
4207 | } | |
4208 | ||
4209 | static int decode_close(struct xdr_stream *xdr, struct nfs_closeres *res) | |
4210 | { | |
1da177e4 LT |
4211 | int status; |
4212 | ||
4213 | status = decode_op_hdr(xdr, OP_CLOSE); | |
c1d51931 TM |
4214 | if (status != -EIO) |
4215 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4216 | if (!status) |
4217 | status = decode_stateid(xdr, &res->stateid); | |
4218 | return status; | |
1da177e4 LT |
4219 | } |
4220 | ||
db942bbd BH |
4221 | static int decode_verifier(struct xdr_stream *xdr, void *verifier) |
4222 | { | |
4223 | return decode_opaque_fixed(xdr, verifier, 8); | |
1da177e4 LT |
4224 | } |
4225 | ||
4226 | static int decode_commit(struct xdr_stream *xdr, struct nfs_writeres *res) | |
4227 | { | |
1da177e4 LT |
4228 | int status; |
4229 | ||
4230 | status = decode_op_hdr(xdr, OP_COMMIT); | |
db942bbd BH |
4231 | if (!status) |
4232 | status = decode_verifier(xdr, res->verf->verifier); | |
4233 | return status; | |
1da177e4 LT |
4234 | } |
4235 | ||
4236 | static int decode_create(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4237 | { | |
8687b63a | 4238 | __be32 *p; |
1da177e4 LT |
4239 | uint32_t bmlen; |
4240 | int status; | |
4241 | ||
4242 | status = decode_op_hdr(xdr, OP_CREATE); | |
4243 | if (status) | |
4244 | return status; | |
4245 | if ((status = decode_change_info(xdr, cinfo))) | |
4246 | return status; | |
c0eae66e BH |
4247 | p = xdr_inline_decode(xdr, 4); |
4248 | if (unlikely(!p)) | |
4249 | goto out_overflow; | |
cccddf4f | 4250 | bmlen = be32_to_cpup(p); |
c0eae66e BH |
4251 | p = xdr_inline_decode(xdr, bmlen << 2); |
4252 | if (likely(p)) | |
4253 | return 0; | |
4254 | out_overflow: | |
4255 | print_overflow_msg(__func__, xdr); | |
4256 | return -EIO; | |
1da177e4 LT |
4257 | } |
4258 | ||
4259 | static int decode_server_caps(struct xdr_stream *xdr, struct nfs4_server_caps_res *res) | |
4260 | { | |
8687b63a | 4261 | __be32 *savep; |
dae100c2 | 4262 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 LT |
4263 | int status; |
4264 | ||
4265 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
4266 | goto xdr_error; | |
4267 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4268 | goto xdr_error; | |
4269 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4270 | goto xdr_error; | |
4271 | if ((status = decode_attr_supported(xdr, bitmap, res->attr_bitmask)) != 0) | |
4272 | goto xdr_error; | |
4273 | if ((status = decode_attr_link_support(xdr, bitmap, &res->has_links)) != 0) | |
4274 | goto xdr_error; | |
4275 | if ((status = decode_attr_symlink_support(xdr, bitmap, &res->has_symlinks)) != 0) | |
4276 | goto xdr_error; | |
4277 | if ((status = decode_attr_aclsupport(xdr, bitmap, &res->acl_bitmask)) != 0) | |
4278 | goto xdr_error; | |
4279 | status = verify_attr_len(xdr, savep, attrlen); | |
4280 | xdr_error: | |
3110ff80 | 4281 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4282 | return status; |
4283 | } | |
6c0195a4 | 4284 | |
1da177e4 LT |
4285 | static int decode_statfs(struct xdr_stream *xdr, struct nfs_fsstat *fsstat) |
4286 | { | |
8687b63a | 4287 | __be32 *savep; |
dae100c2 | 4288 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 | 4289 | int status; |
6c0195a4 | 4290 | |
1da177e4 LT |
4291 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
4292 | goto xdr_error; | |
4293 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4294 | goto xdr_error; | |
4295 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4296 | goto xdr_error; | |
4297 | ||
4298 | if ((status = decode_attr_files_avail(xdr, bitmap, &fsstat->afiles)) != 0) | |
4299 | goto xdr_error; | |
4300 | if ((status = decode_attr_files_free(xdr, bitmap, &fsstat->ffiles)) != 0) | |
4301 | goto xdr_error; | |
4302 | if ((status = decode_attr_files_total(xdr, bitmap, &fsstat->tfiles)) != 0) | |
4303 | goto xdr_error; | |
4304 | if ((status = decode_attr_space_avail(xdr, bitmap, &fsstat->abytes)) != 0) | |
4305 | goto xdr_error; | |
4306 | if ((status = decode_attr_space_free(xdr, bitmap, &fsstat->fbytes)) != 0) | |
4307 | goto xdr_error; | |
4308 | if ((status = decode_attr_space_total(xdr, bitmap, &fsstat->tbytes)) != 0) | |
4309 | goto xdr_error; | |
4310 | ||
4311 | status = verify_attr_len(xdr, savep, attrlen); | |
4312 | xdr_error: | |
3110ff80 | 4313 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4314 | return status; |
4315 | } | |
4316 | ||
4317 | static int decode_pathconf(struct xdr_stream *xdr, struct nfs_pathconf *pathconf) | |
4318 | { | |
8687b63a | 4319 | __be32 *savep; |
dae100c2 | 4320 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 | 4321 | int status; |
6c0195a4 | 4322 | |
1da177e4 LT |
4323 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
4324 | goto xdr_error; | |
4325 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4326 | goto xdr_error; | |
4327 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4328 | goto xdr_error; | |
4329 | ||
4330 | if ((status = decode_attr_maxlink(xdr, bitmap, &pathconf->max_link)) != 0) | |
4331 | goto xdr_error; | |
4332 | if ((status = decode_attr_maxname(xdr, bitmap, &pathconf->max_namelen)) != 0) | |
4333 | goto xdr_error; | |
4334 | ||
4335 | status = verify_attr_len(xdr, savep, attrlen); | |
4336 | xdr_error: | |
3110ff80 | 4337 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4338 | return status; |
4339 | } | |
4340 | ||
ae42c70a BS |
4341 | static int decode_getfattr_attrs(struct xdr_stream *xdr, uint32_t *bitmap, |
4342 | struct nfs_fattr *fattr, struct nfs_fh *fh, | |
8b7e3f49 | 4343 | struct nfs4_fs_locations *fs_loc, |
6926afd1 | 4344 | const struct nfs_server *server) |
1da177e4 | 4345 | { |
bca79478 TM |
4346 | int status; |
4347 | umode_t fmode = 0; | |
ae42c70a | 4348 | uint32_t type; |
ee7b75fc | 4349 | int32_t err; |
1da177e4 | 4350 | |
f26c7a78 TM |
4351 | status = decode_attr_type(xdr, bitmap, &type); |
4352 | if (status < 0) | |
1da177e4 | 4353 | goto xdr_error; |
409924e4 TM |
4354 | fattr->mode = 0; |
4355 | if (status != 0) { | |
4356 | fattr->mode |= nfs_type2fmt[type]; | |
4357 | fattr->valid |= status; | |
4358 | } | |
1da177e4 | 4359 | |
f26c7a78 TM |
4360 | status = decode_attr_change(xdr, bitmap, &fattr->change_attr); |
4361 | if (status < 0) | |
1da177e4 | 4362 | goto xdr_error; |
409924e4 | 4363 | fattr->valid |= status; |
f26c7a78 TM |
4364 | |
4365 | status = decode_attr_size(xdr, bitmap, &fattr->size); | |
4366 | if (status < 0) | |
1da177e4 | 4367 | goto xdr_error; |
409924e4 | 4368 | fattr->valid |= status; |
f26c7a78 TM |
4369 | |
4370 | status = decode_attr_fsid(xdr, bitmap, &fattr->fsid); | |
4371 | if (status < 0) | |
1da177e4 | 4372 | goto xdr_error; |
409924e4 | 4373 | fattr->valid |= status; |
f26c7a78 | 4374 | |
ee7b75fc TM |
4375 | err = 0; |
4376 | status = decode_attr_error(xdr, bitmap, &err); | |
ae42c70a BS |
4377 | if (status < 0) |
4378 | goto xdr_error; | |
ee7b75fc TM |
4379 | if (err == -NFS4ERR_WRONGSEC) |
4380 | nfs_fixup_secinfo_attributes(fattr, fh); | |
ae42c70a BS |
4381 | |
4382 | status = decode_attr_filehandle(xdr, bitmap, fh); | |
4383 | if (status < 0) | |
4384 | goto xdr_error; | |
4385 | ||
f26c7a78 TM |
4386 | status = decode_attr_fileid(xdr, bitmap, &fattr->fileid); |
4387 | if (status < 0) | |
1da177e4 | 4388 | goto xdr_error; |
409924e4 | 4389 | fattr->valid |= status; |
f26c7a78 | 4390 | |
8b7e3f49 | 4391 | status = decode_attr_fs_locations(xdr, bitmap, fs_loc); |
f26c7a78 | 4392 | if (status < 0) |
683b57b4 | 4393 | goto xdr_error; |
409924e4 | 4394 | fattr->valid |= status; |
f26c7a78 TM |
4395 | |
4396 | status = decode_attr_mode(xdr, bitmap, &fmode); | |
4397 | if (status < 0) | |
1da177e4 | 4398 | goto xdr_error; |
409924e4 TM |
4399 | if (status != 0) { |
4400 | fattr->mode |= fmode; | |
4401 | fattr->valid |= status; | |
4402 | } | |
f26c7a78 TM |
4403 | |
4404 | status = decode_attr_nlink(xdr, bitmap, &fattr->nlink); | |
4405 | if (status < 0) | |
1da177e4 | 4406 | goto xdr_error; |
409924e4 | 4407 | fattr->valid |= status; |
f26c7a78 | 4408 | |
6926afd1 | 4409 | status = decode_attr_owner(xdr, bitmap, server, &fattr->uid, fattr->owner_name); |
f26c7a78 | 4410 | if (status < 0) |
1da177e4 | 4411 | goto xdr_error; |
409924e4 | 4412 | fattr->valid |= status; |
f26c7a78 | 4413 | |
6926afd1 | 4414 | status = decode_attr_group(xdr, bitmap, server, &fattr->gid, fattr->group_name); |
f26c7a78 | 4415 | if (status < 0) |
1da177e4 | 4416 | goto xdr_error; |
409924e4 | 4417 | fattr->valid |= status; |
f26c7a78 TM |
4418 | |
4419 | status = decode_attr_rdev(xdr, bitmap, &fattr->rdev); | |
4420 | if (status < 0) | |
1da177e4 | 4421 | goto xdr_error; |
409924e4 | 4422 | fattr->valid |= status; |
f26c7a78 TM |
4423 | |
4424 | status = decode_attr_space_used(xdr, bitmap, &fattr->du.nfs3.used); | |
4425 | if (status < 0) | |
1da177e4 | 4426 | goto xdr_error; |
409924e4 | 4427 | fattr->valid |= status; |
f26c7a78 TM |
4428 | |
4429 | status = decode_attr_time_access(xdr, bitmap, &fattr->atime); | |
4430 | if (status < 0) | |
1da177e4 | 4431 | goto xdr_error; |
409924e4 | 4432 | fattr->valid |= status; |
f26c7a78 TM |
4433 | |
4434 | status = decode_attr_time_metadata(xdr, bitmap, &fattr->ctime); | |
4435 | if (status < 0) | |
1da177e4 | 4436 | goto xdr_error; |
409924e4 | 4437 | fattr->valid |= status; |
f26c7a78 TM |
4438 | |
4439 | status = decode_attr_time_modify(xdr, bitmap, &fattr->mtime); | |
4440 | if (status < 0) | |
1da177e4 | 4441 | goto xdr_error; |
409924e4 | 4442 | fattr->valid |= status; |
f26c7a78 | 4443 | |
28331a46 | 4444 | status = decode_attr_mounted_on_fileid(xdr, bitmap, &fattr->mounted_on_fileid); |
f26c7a78 | 4445 | if (status < 0) |
99baf625 | 4446 | goto xdr_error; |
28331a46 | 4447 | fattr->valid |= status; |
f26c7a78 | 4448 | |
ae42c70a BS |
4449 | xdr_error: |
4450 | dprintk("%s: xdr returned %d\n", __func__, -status); | |
4451 | return status; | |
4452 | } | |
4453 | ||
4454 | static int decode_getfattr_generic(struct xdr_stream *xdr, struct nfs_fattr *fattr, | |
8b7e3f49 TM |
4455 | struct nfs_fh *fh, struct nfs4_fs_locations *fs_loc, |
4456 | const struct nfs_server *server) | |
ae42c70a BS |
4457 | { |
4458 | __be32 *savep; | |
4459 | uint32_t attrlen, | |
dae100c2 | 4460 | bitmap[3] = {0}; |
ae42c70a BS |
4461 | int status; |
4462 | ||
4463 | status = decode_op_hdr(xdr, OP_GETATTR); | |
4464 | if (status < 0) | |
4465 | goto xdr_error; | |
4466 | ||
4467 | status = decode_attr_bitmap(xdr, bitmap); | |
4468 | if (status < 0) | |
4469 | goto xdr_error; | |
4470 | ||
4471 | status = decode_attr_length(xdr, &attrlen, &savep); | |
4472 | if (status < 0) | |
4473 | goto xdr_error; | |
4474 | ||
8b7e3f49 | 4475 | status = decode_getfattr_attrs(xdr, bitmap, fattr, fh, fs_loc, server); |
ae42c70a BS |
4476 | if (status < 0) |
4477 | goto xdr_error; | |
4478 | ||
f26c7a78 | 4479 | status = verify_attr_len(xdr, savep, attrlen); |
1da177e4 | 4480 | xdr_error: |
3110ff80 | 4481 | dprintk("%s: xdr returned %d\n", __func__, -status); |
1da177e4 LT |
4482 | return status; |
4483 | } | |
4484 | ||
ae42c70a | 4485 | static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr, |
6926afd1 | 4486 | const struct nfs_server *server) |
ae42c70a | 4487 | { |
8b7e3f49 | 4488 | return decode_getfattr_generic(xdr, fattr, NULL, NULL, server); |
ae42c70a | 4489 | } |
1da177e4 | 4490 | |
504913fb AA |
4491 | /* |
4492 | * Decode potentially multiple layout types. Currently we only support | |
4493 | * one layout driver per file system. | |
4494 | */ | |
4495 | static int decode_first_pnfs_layout_type(struct xdr_stream *xdr, | |
4496 | uint32_t *layouttype) | |
4497 | { | |
4498 | uint32_t *p; | |
4499 | int num; | |
4500 | ||
4501 | p = xdr_inline_decode(xdr, 4); | |
4502 | if (unlikely(!p)) | |
4503 | goto out_overflow; | |
4504 | num = be32_to_cpup(p); | |
4505 | ||
4506 | /* pNFS is not supported by the underlying file system */ | |
4507 | if (num == 0) { | |
4508 | *layouttype = 0; | |
4509 | return 0; | |
4510 | } | |
4511 | if (num > 1) | |
a030889a WAA |
4512 | printk(KERN_INFO "NFS: %s: Warning: Multiple pNFS layout " |
4513 | "drivers per filesystem not supported\n", __func__); | |
504913fb AA |
4514 | |
4515 | /* Decode and set first layout type, move xdr->p past unused types */ | |
4516 | p = xdr_inline_decode(xdr, num * 4); | |
4517 | if (unlikely(!p)) | |
4518 | goto out_overflow; | |
4519 | *layouttype = be32_to_cpup(p); | |
4520 | return 0; | |
4521 | out_overflow: | |
4522 | print_overflow_msg(__func__, xdr); | |
4523 | return -EIO; | |
4524 | } | |
4525 | ||
4526 | /* | |
4527 | * The type of file system exported. | |
4528 | * Note we must ensure that layouttype is set in any non-error case. | |
4529 | */ | |
4530 | static int decode_attr_pnfstype(struct xdr_stream *xdr, uint32_t *bitmap, | |
4531 | uint32_t *layouttype) | |
4532 | { | |
4533 | int status = 0; | |
4534 | ||
4535 | dprintk("%s: bitmap is %x\n", __func__, bitmap[1]); | |
4536 | if (unlikely(bitmap[1] & (FATTR4_WORD1_FS_LAYOUT_TYPES - 1U))) | |
4537 | return -EIO; | |
4538 | if (bitmap[1] & FATTR4_WORD1_FS_LAYOUT_TYPES) { | |
4539 | status = decode_first_pnfs_layout_type(xdr, layouttype); | |
4540 | bitmap[1] &= ~FATTR4_WORD1_FS_LAYOUT_TYPES; | |
4541 | } else | |
4542 | *layouttype = 0; | |
4543 | return status; | |
4544 | } | |
4545 | ||
dae100c2 FI |
4546 | /* |
4547 | * The prefered block size for layout directed io | |
4548 | */ | |
4549 | static int decode_attr_layout_blksize(struct xdr_stream *xdr, uint32_t *bitmap, | |
4550 | uint32_t *res) | |
4551 | { | |
4552 | __be32 *p; | |
4553 | ||
4554 | dprintk("%s: bitmap is %x\n", __func__, bitmap[2]); | |
4555 | *res = 0; | |
4556 | if (bitmap[2] & FATTR4_WORD2_LAYOUT_BLKSIZE) { | |
4557 | p = xdr_inline_decode(xdr, 4); | |
4558 | if (unlikely(!p)) { | |
4559 | print_overflow_msg(__func__, xdr); | |
4560 | return -EIO; | |
4561 | } | |
4562 | *res = be32_to_cpup(p); | |
4563 | bitmap[2] &= ~FATTR4_WORD2_LAYOUT_BLKSIZE; | |
4564 | } | |
4565 | return 0; | |
4566 | } | |
4567 | ||
1da177e4 LT |
4568 | static int decode_fsinfo(struct xdr_stream *xdr, struct nfs_fsinfo *fsinfo) |
4569 | { | |
8687b63a | 4570 | __be32 *savep; |
dae100c2 | 4571 | uint32_t attrlen, bitmap[3]; |
1da177e4 LT |
4572 | int status; |
4573 | ||
4574 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
4575 | goto xdr_error; | |
4576 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4577 | goto xdr_error; | |
4578 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4579 | goto xdr_error; | |
4580 | ||
4581 | fsinfo->rtmult = fsinfo->wtmult = 512; /* ??? */ | |
4582 | ||
4583 | if ((status = decode_attr_lease_time(xdr, bitmap, &fsinfo->lease_time)) != 0) | |
4584 | goto xdr_error; | |
4585 | if ((status = decode_attr_maxfilesize(xdr, bitmap, &fsinfo->maxfilesize)) != 0) | |
4586 | goto xdr_error; | |
4587 | if ((status = decode_attr_maxread(xdr, bitmap, &fsinfo->rtmax)) != 0) | |
4588 | goto xdr_error; | |
4589 | fsinfo->rtpref = fsinfo->dtpref = fsinfo->rtmax; | |
4590 | if ((status = decode_attr_maxwrite(xdr, bitmap, &fsinfo->wtmax)) != 0) | |
4591 | goto xdr_error; | |
4592 | fsinfo->wtpref = fsinfo->wtmax; | |
55b6e774 | 4593 | status = decode_attr_time_delta(xdr, bitmap, &fsinfo->time_delta); |
504913fb AA |
4594 | if (status != 0) |
4595 | goto xdr_error; | |
4596 | status = decode_attr_pnfstype(xdr, bitmap, &fsinfo->layouttype); | |
55b6e774 RL |
4597 | if (status != 0) |
4598 | goto xdr_error; | |
dae100c2 FI |
4599 | status = decode_attr_layout_blksize(xdr, bitmap, &fsinfo->blksize); |
4600 | if (status) | |
4601 | goto xdr_error; | |
1da177e4 LT |
4602 | |
4603 | status = verify_attr_len(xdr, savep, attrlen); | |
4604 | xdr_error: | |
3110ff80 | 4605 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4606 | return status; |
4607 | } | |
4608 | ||
4609 | static int decode_getfh(struct xdr_stream *xdr, struct nfs_fh *fh) | |
4610 | { | |
8687b63a | 4611 | __be32 *p; |
1da177e4 LT |
4612 | uint32_t len; |
4613 | int status; | |
4614 | ||
9936781d TM |
4615 | /* Zero handle first to allow comparisons */ |
4616 | memset(fh, 0, sizeof(*fh)); | |
4617 | ||
1da177e4 LT |
4618 | status = decode_op_hdr(xdr, OP_GETFH); |
4619 | if (status) | |
4620 | return status; | |
1da177e4 | 4621 | |
c0eae66e BH |
4622 | p = xdr_inline_decode(xdr, 4); |
4623 | if (unlikely(!p)) | |
4624 | goto out_overflow; | |
cccddf4f | 4625 | len = be32_to_cpup(p); |
1da177e4 LT |
4626 | if (len > NFS4_FHSIZE) |
4627 | return -EIO; | |
4628 | fh->size = len; | |
c0eae66e BH |
4629 | p = xdr_inline_decode(xdr, len); |
4630 | if (unlikely(!p)) | |
4631 | goto out_overflow; | |
99398d06 | 4632 | memcpy(fh->data, p, len); |
1da177e4 | 4633 | return 0; |
c0eae66e BH |
4634 | out_overflow: |
4635 | print_overflow_msg(__func__, xdr); | |
4636 | return -EIO; | |
1da177e4 LT |
4637 | } |
4638 | ||
4639 | static int decode_link(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4640 | { | |
4641 | int status; | |
6c0195a4 | 4642 | |
1da177e4 LT |
4643 | status = decode_op_hdr(xdr, OP_LINK); |
4644 | if (status) | |
4645 | return status; | |
4646 | return decode_change_info(xdr, cinfo); | |
4647 | } | |
4648 | ||
4649 | /* | |
4650 | * We create the owner, so we know a proper owner.id length is 4. | |
4651 | */ | |
911d1aaf | 4652 | static int decode_lock_denied (struct xdr_stream *xdr, struct file_lock *fl) |
1da177e4 | 4653 | { |
911d1aaf | 4654 | uint64_t offset, length, clientid; |
8687b63a | 4655 | __be32 *p; |
911d1aaf | 4656 | uint32_t namelen, type; |
1da177e4 | 4657 | |
babddc72 | 4658 | p = xdr_inline_decode(xdr, 32); /* read 32 bytes */ |
c0eae66e BH |
4659 | if (unlikely(!p)) |
4660 | goto out_overflow; | |
babddc72 | 4661 | p = xdr_decode_hyper(p, &offset); /* read 2 8-byte long words */ |
3ceb4dbb | 4662 | p = xdr_decode_hyper(p, &length); |
babddc72 BS |
4663 | type = be32_to_cpup(p++); /* 4 byte read */ |
4664 | if (fl != NULL) { /* manipulate file lock */ | |
911d1aaf TM |
4665 | fl->fl_start = (loff_t)offset; |
4666 | fl->fl_end = fl->fl_start + (loff_t)length - 1; | |
4667 | if (length == ~(uint64_t)0) | |
4668 | fl->fl_end = OFFSET_MAX; | |
4669 | fl->fl_type = F_WRLCK; | |
4670 | if (type & 1) | |
4671 | fl->fl_type = F_RDLCK; | |
4672 | fl->fl_pid = 0; | |
4673 | } | |
babddc72 BS |
4674 | p = xdr_decode_hyper(p, &clientid); /* read 8 bytes */ |
4675 | namelen = be32_to_cpup(p); /* read 4 bytes */ /* have read all 32 bytes now */ | |
4676 | p = xdr_inline_decode(xdr, namelen); /* variable size field */ | |
c0eae66e BH |
4677 | if (likely(p)) |
4678 | return -NFS4ERR_DENIED; | |
4679 | out_overflow: | |
4680 | print_overflow_msg(__func__, xdr); | |
4681 | return -EIO; | |
1da177e4 LT |
4682 | } |
4683 | ||
911d1aaf | 4684 | static int decode_lock(struct xdr_stream *xdr, struct nfs_lock_res *res) |
1da177e4 | 4685 | { |
1da177e4 LT |
4686 | int status; |
4687 | ||
4688 | status = decode_op_hdr(xdr, OP_LOCK); | |
c1d51931 TM |
4689 | if (status == -EIO) |
4690 | goto out; | |
1da177e4 | 4691 | if (status == 0) { |
07d30434 BH |
4692 | status = decode_stateid(xdr, &res->stateid); |
4693 | if (unlikely(status)) | |
4694 | goto out; | |
1da177e4 | 4695 | } else if (status == -NFS4ERR_DENIED) |
c1d51931 TM |
4696 | status = decode_lock_denied(xdr, NULL); |
4697 | if (res->open_seqid != NULL) | |
4698 | nfs_increment_open_seqid(status, res->open_seqid); | |
4699 | nfs_increment_lock_seqid(status, res->lock_seqid); | |
4700 | out: | |
1da177e4 LT |
4701 | return status; |
4702 | } | |
4703 | ||
911d1aaf | 4704 | static int decode_lockt(struct xdr_stream *xdr, struct nfs_lockt_res *res) |
1da177e4 LT |
4705 | { |
4706 | int status; | |
4707 | status = decode_op_hdr(xdr, OP_LOCKT); | |
4708 | if (status == -NFS4ERR_DENIED) | |
911d1aaf | 4709 | return decode_lock_denied(xdr, res->denied); |
1da177e4 LT |
4710 | return status; |
4711 | } | |
4712 | ||
911d1aaf | 4713 | static int decode_locku(struct xdr_stream *xdr, struct nfs_locku_res *res) |
1da177e4 | 4714 | { |
1da177e4 LT |
4715 | int status; |
4716 | ||
4717 | status = decode_op_hdr(xdr, OP_LOCKU); | |
c1d51931 TM |
4718 | if (status != -EIO) |
4719 | nfs_increment_lock_seqid(status, res->seqid); | |
07d30434 BH |
4720 | if (status == 0) |
4721 | status = decode_stateid(xdr, &res->stateid); | |
1da177e4 LT |
4722 | return status; |
4723 | } | |
4724 | ||
d3c7b7cc TM |
4725 | static int decode_release_lockowner(struct xdr_stream *xdr) |
4726 | { | |
4727 | return decode_op_hdr(xdr, OP_RELEASE_LOCKOWNER); | |
4728 | } | |
4729 | ||
1da177e4 LT |
4730 | static int decode_lookup(struct xdr_stream *xdr) |
4731 | { | |
4732 | return decode_op_hdr(xdr, OP_LOOKUP); | |
4733 | } | |
4734 | ||
4735 | /* This is too sick! */ | |
4736 | static int decode_space_limit(struct xdr_stream *xdr, u64 *maxsize) | |
4737 | { | |
05d564fe | 4738 | __be32 *p; |
1da177e4 LT |
4739 | uint32_t limit_type, nblocks, blocksize; |
4740 | ||
c0eae66e BH |
4741 | p = xdr_inline_decode(xdr, 12); |
4742 | if (unlikely(!p)) | |
4743 | goto out_overflow; | |
6f723f77 | 4744 | limit_type = be32_to_cpup(p++); |
1da177e4 | 4745 | switch (limit_type) { |
05d564fe | 4746 | case 1: |
cccddf4f | 4747 | xdr_decode_hyper(p, maxsize); |
05d564fe AA |
4748 | break; |
4749 | case 2: | |
6f723f77 | 4750 | nblocks = be32_to_cpup(p++); |
cccddf4f | 4751 | blocksize = be32_to_cpup(p); |
05d564fe | 4752 | *maxsize = (uint64_t)nblocks * (uint64_t)blocksize; |
1da177e4 LT |
4753 | } |
4754 | return 0; | |
c0eae66e BH |
4755 | out_overflow: |
4756 | print_overflow_msg(__func__, xdr); | |
4757 | return -EIO; | |
1da177e4 LT |
4758 | } |
4759 | ||
4760 | static int decode_delegation(struct xdr_stream *xdr, struct nfs_openres *res) | |
4761 | { | |
05d564fe AA |
4762 | __be32 *p; |
4763 | uint32_t delegation_type; | |
07d30434 | 4764 | int status; |
1da177e4 | 4765 | |
c0eae66e BH |
4766 | p = xdr_inline_decode(xdr, 4); |
4767 | if (unlikely(!p)) | |
4768 | goto out_overflow; | |
cccddf4f | 4769 | delegation_type = be32_to_cpup(p); |
1da177e4 LT |
4770 | if (delegation_type == NFS4_OPEN_DELEGATE_NONE) { |
4771 | res->delegation_type = 0; | |
4772 | return 0; | |
4773 | } | |
07d30434 BH |
4774 | status = decode_stateid(xdr, &res->delegation); |
4775 | if (unlikely(status)) | |
4776 | return status; | |
c0eae66e BH |
4777 | p = xdr_inline_decode(xdr, 4); |
4778 | if (unlikely(!p)) | |
4779 | goto out_overflow; | |
cccddf4f | 4780 | res->do_recall = be32_to_cpup(p); |
05d564fe | 4781 | |
1da177e4 | 4782 | switch (delegation_type) { |
05d564fe AA |
4783 | case NFS4_OPEN_DELEGATE_READ: |
4784 | res->delegation_type = FMODE_READ; | |
4785 | break; | |
4786 | case NFS4_OPEN_DELEGATE_WRITE: | |
4787 | res->delegation_type = FMODE_WRITE|FMODE_READ; | |
4788 | if (decode_space_limit(xdr, &res->maxsize) < 0) | |
1da177e4 LT |
4789 | return -EIO; |
4790 | } | |
7539bbab | 4791 | return decode_ace(xdr, NULL, res->server->nfs_client); |
c0eae66e BH |
4792 | out_overflow: |
4793 | print_overflow_msg(__func__, xdr); | |
4794 | return -EIO; | |
1da177e4 LT |
4795 | } |
4796 | ||
4797 | static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res) | |
4798 | { | |
05d564fe | 4799 | __be32 *p; |
aa53ed54 | 4800 | uint32_t savewords, bmlen, i; |
05d564fe | 4801 | int status; |
1da177e4 | 4802 | |
05d564fe | 4803 | status = decode_op_hdr(xdr, OP_OPEN); |
c1d51931 TM |
4804 | if (status != -EIO) |
4805 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4806 | if (!status) |
4807 | status = decode_stateid(xdr, &res->stateid); | |
4808 | if (unlikely(status)) | |
05d564fe | 4809 | return status; |
1da177e4 | 4810 | |
05d564fe | 4811 | decode_change_info(xdr, &res->cinfo); |
1da177e4 | 4812 | |
c0eae66e BH |
4813 | p = xdr_inline_decode(xdr, 8); |
4814 | if (unlikely(!p)) | |
4815 | goto out_overflow; | |
6f723f77 | 4816 | res->rflags = be32_to_cpup(p++); |
cccddf4f | 4817 | bmlen = be32_to_cpup(p); |
05d564fe AA |
4818 | if (bmlen > 10) |
4819 | goto xdr_error; | |
1da177e4 | 4820 | |
c0eae66e BH |
4821 | p = xdr_inline_decode(xdr, bmlen << 2); |
4822 | if (unlikely(!p)) | |
4823 | goto out_overflow; | |
aa53ed54 JL |
4824 | savewords = min_t(uint32_t, bmlen, NFS4_BITMAP_SIZE); |
4825 | for (i = 0; i < savewords; ++i) | |
6f723f77 | 4826 | res->attrset[i] = be32_to_cpup(p++); |
aa53ed54 JL |
4827 | for (; i < NFS4_BITMAP_SIZE; i++) |
4828 | res->attrset[i] = 0; | |
4829 | ||
1da177e4 LT |
4830 | return decode_delegation(xdr, res); |
4831 | xdr_error: | |
3110ff80 | 4832 | dprintk("%s: Bitmap too large! Length = %u\n", __func__, bmlen); |
1da177e4 | 4833 | return -EIO; |
c0eae66e BH |
4834 | out_overflow: |
4835 | print_overflow_msg(__func__, xdr); | |
4836 | return -EIO; | |
1da177e4 LT |
4837 | } |
4838 | ||
4839 | static int decode_open_confirm(struct xdr_stream *xdr, struct nfs_open_confirmres *res) | |
4840 | { | |
1da177e4 LT |
4841 | int status; |
4842 | ||
05d564fe | 4843 | status = decode_op_hdr(xdr, OP_OPEN_CONFIRM); |
c1d51931 TM |
4844 | if (status != -EIO) |
4845 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4846 | if (!status) |
4847 | status = decode_stateid(xdr, &res->stateid); | |
4848 | return status; | |
1da177e4 LT |
4849 | } |
4850 | ||
4851 | static int decode_open_downgrade(struct xdr_stream *xdr, struct nfs_closeres *res) | |
4852 | { | |
1da177e4 LT |
4853 | int status; |
4854 | ||
4855 | status = decode_op_hdr(xdr, OP_OPEN_DOWNGRADE); | |
c1d51931 TM |
4856 | if (status != -EIO) |
4857 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4858 | if (!status) |
4859 | status = decode_stateid(xdr, &res->stateid); | |
4860 | return status; | |
1da177e4 LT |
4861 | } |
4862 | ||
4863 | static int decode_putfh(struct xdr_stream *xdr) | |
4864 | { | |
4865 | return decode_op_hdr(xdr, OP_PUTFH); | |
4866 | } | |
4867 | ||
4868 | static int decode_putrootfh(struct xdr_stream *xdr) | |
4869 | { | |
4870 | return decode_op_hdr(xdr, OP_PUTROOTFH); | |
4871 | } | |
4872 | ||
4873 | static int decode_read(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs_readres *res) | |
4874 | { | |
4875 | struct kvec *iov = req->rq_rcv_buf.head; | |
8687b63a | 4876 | __be32 *p; |
1da177e4 LT |
4877 | uint32_t count, eof, recvd, hdrlen; |
4878 | int status; | |
4879 | ||
4880 | status = decode_op_hdr(xdr, OP_READ); | |
4881 | if (status) | |
4882 | return status; | |
c0eae66e BH |
4883 | p = xdr_inline_decode(xdr, 8); |
4884 | if (unlikely(!p)) | |
4885 | goto out_overflow; | |
6f723f77 | 4886 | eof = be32_to_cpup(p++); |
cccddf4f | 4887 | count = be32_to_cpup(p); |
8111f373 | 4888 | hdrlen = (u8 *) xdr->p - (u8 *) iov->iov_base; |
1da177e4 LT |
4889 | recvd = req->rq_rcv_buf.len - hdrlen; |
4890 | if (count > recvd) { | |
fe82a183 | 4891 | dprintk("NFS: server cheating in read reply: " |
1da177e4 LT |
4892 | "count %u > recvd %u\n", count, recvd); |
4893 | count = recvd; | |
4894 | eof = 0; | |
4895 | } | |
4896 | xdr_read_pages(xdr, count); | |
4897 | res->eof = eof; | |
4898 | res->count = count; | |
4899 | return 0; | |
c0eae66e BH |
4900 | out_overflow: |
4901 | print_overflow_msg(__func__, xdr); | |
4902 | return -EIO; | |
1da177e4 LT |
4903 | } |
4904 | ||
4905 | static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs4_readdir_res *readdir) | |
4906 | { | |
4907 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; | |
1da177e4 | 4908 | struct kvec *iov = rcvbuf->head; |
bcecff77 CL |
4909 | size_t hdrlen; |
4910 | u32 recvd, pglen = rcvbuf->page_len; | |
bcecff77 | 4911 | int status; |
1da177e4 LT |
4912 | |
4913 | status = decode_op_hdr(xdr, OP_READDIR); | |
db942bbd BH |
4914 | if (!status) |
4915 | status = decode_verifier(xdr, readdir->verifier.data); | |
4916 | if (unlikely(status)) | |
1da177e4 | 4917 | return status; |
44109241 FI |
4918 | dprintk("%s: verifier = %08x:%08x\n", |
4919 | __func__, | |
eadf4598 TM |
4920 | ((u32 *)readdir->verifier.data)[0], |
4921 | ((u32 *)readdir->verifier.data)[1]); | |
4922 | ||
1da177e4 | 4923 | |
db942bbd | 4924 | hdrlen = (char *) xdr->p - (char *) iov->iov_base; |
1da177e4 LT |
4925 | recvd = rcvbuf->len - hdrlen; |
4926 | if (pglen > recvd) | |
4927 | pglen = recvd; | |
4928 | xdr_read_pages(xdr, pglen); | |
4929 | ||
afa8ccc9 | 4930 | |
ac396128 | 4931 | return pglen; |
1da177e4 LT |
4932 | } |
4933 | ||
4934 | static int decode_readlink(struct xdr_stream *xdr, struct rpc_rqst *req) | |
4935 | { | |
4936 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; | |
4937 | struct kvec *iov = rcvbuf->head; | |
bcecff77 CL |
4938 | size_t hdrlen; |
4939 | u32 len, recvd; | |
8687b63a | 4940 | __be32 *p; |
1da177e4 LT |
4941 | int status; |
4942 | ||
4943 | status = decode_op_hdr(xdr, OP_READLINK); | |
4944 | if (status) | |
4945 | return status; | |
4946 | ||
4947 | /* Convert length of symlink */ | |
c0eae66e BH |
4948 | p = xdr_inline_decode(xdr, 4); |
4949 | if (unlikely(!p)) | |
4950 | goto out_overflow; | |
cccddf4f | 4951 | len = be32_to_cpup(p); |
1da177e4 | 4952 | if (len >= rcvbuf->page_len || len <= 0) { |
fe82a183 | 4953 | dprintk("nfs: server returned giant symlink!\n"); |
1da177e4 LT |
4954 | return -ENAMETOOLONG; |
4955 | } | |
4956 | hdrlen = (char *) xdr->p - (char *) iov->iov_base; | |
4957 | recvd = req->rq_rcv_buf.len - hdrlen; | |
4958 | if (recvd < len) { | |
fe82a183 | 4959 | dprintk("NFS: server cheating in readlink reply: " |
1da177e4 LT |
4960 | "count %u > recvd %u\n", len, recvd); |
4961 | return -EIO; | |
4962 | } | |
4963 | xdr_read_pages(xdr, len); | |
4964 | /* | |
4965 | * The XDR encode routine has set things up so that | |
4966 | * the link text will be copied directly into the | |
4967 | * buffer. We just have to do overflow-checking, | |
4968 | * and and null-terminate the text (the VFS expects | |
4969 | * null-termination). | |
4970 | */ | |
b4687da7 | 4971 | xdr_terminate_string(rcvbuf, len); |
1da177e4 | 4972 | return 0; |
c0eae66e BH |
4973 | out_overflow: |
4974 | print_overflow_msg(__func__, xdr); | |
4975 | return -EIO; | |
1da177e4 LT |
4976 | } |
4977 | ||
4978 | static int decode_remove(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4979 | { | |
4980 | int status; | |
4981 | ||
4982 | status = decode_op_hdr(xdr, OP_REMOVE); | |
4983 | if (status) | |
4984 | goto out; | |
4985 | status = decode_change_info(xdr, cinfo); | |
4986 | out: | |
4987 | return status; | |
4988 | } | |
4989 | ||
4990 | static int decode_rename(struct xdr_stream *xdr, struct nfs4_change_info *old_cinfo, | |
4991 | struct nfs4_change_info *new_cinfo) | |
4992 | { | |
4993 | int status; | |
4994 | ||
4995 | status = decode_op_hdr(xdr, OP_RENAME); | |
4996 | if (status) | |
4997 | goto out; | |
4998 | if ((status = decode_change_info(xdr, old_cinfo))) | |
4999 | goto out; | |
5000 | status = decode_change_info(xdr, new_cinfo); | |
5001 | out: | |
5002 | return status; | |
5003 | } | |
5004 | ||
5005 | static int decode_renew(struct xdr_stream *xdr) | |
5006 | { | |
5007 | return decode_op_hdr(xdr, OP_RENEW); | |
5008 | } | |
5009 | ||
56ae19f3 TM |
5010 | static int |
5011 | decode_restorefh(struct xdr_stream *xdr) | |
5012 | { | |
5013 | return decode_op_hdr(xdr, OP_RESTOREFH); | |
5014 | } | |
5015 | ||
029d105e | 5016 | static int decode_getacl(struct xdr_stream *xdr, struct rpc_rqst *req, |
bf118a34 | 5017 | struct nfs_getaclres *res) |
029d105e | 5018 | { |
bf118a34 | 5019 | __be32 *savep, *bm_p; |
029d105e | 5020 | uint32_t attrlen, |
dae100c2 | 5021 | bitmap[3] = {0}; |
029d105e BF |
5022 | struct kvec *iov = req->rq_rcv_buf.head; |
5023 | int status; | |
5024 | ||
bf118a34 | 5025 | res->acl_len = 0; |
029d105e BF |
5026 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
5027 | goto out; | |
bf118a34 | 5028 | bm_p = xdr->p; |
029d105e BF |
5029 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) |
5030 | goto out; | |
5031 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
5032 | goto out; | |
5033 | ||
5034 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACL - 1U))) | |
5035 | return -EIO; | |
5036 | if (likely(bitmap[0] & FATTR4_WORD0_ACL)) { | |
bcecff77 CL |
5037 | size_t hdrlen; |
5038 | u32 recvd; | |
029d105e | 5039 | |
bf118a34 AA |
5040 | /* The bitmap (xdr len + bitmaps) and the attr xdr len words |
5041 | * are stored with the acl data to handle the problem of | |
5042 | * variable length bitmaps.*/ | |
5043 | xdr->p = bm_p; | |
5044 | res->acl_data_offset = be32_to_cpup(bm_p) + 2; | |
5045 | res->acl_data_offset <<= 2; | |
5046 | ||
029d105e BF |
5047 | /* We ignore &savep and don't do consistency checks on |
5048 | * the attr length. Let userspace figure it out.... */ | |
5049 | hdrlen = (u8 *)xdr->p - (u8 *)iov->iov_base; | |
bf118a34 | 5050 | attrlen += res->acl_data_offset; |
029d105e BF |
5051 | recvd = req->rq_rcv_buf.len - hdrlen; |
5052 | if (attrlen > recvd) { | |
bf118a34 AA |
5053 | if (res->acl_flags & NFS4_ACL_LEN_REQUEST) { |
5054 | /* getxattr interface called with a NULL buf */ | |
5055 | res->acl_len = attrlen; | |
5056 | goto out; | |
5057 | } | |
5058 | dprintk("NFS: acl reply: attrlen %u > recvd %u\n", | |
029d105e BF |
5059 | attrlen, recvd); |
5060 | return -EINVAL; | |
5061 | } | |
c04871e6 | 5062 | xdr_read_pages(xdr, attrlen); |
bf118a34 | 5063 | res->acl_len = attrlen; |
8c233cf9 BF |
5064 | } else |
5065 | status = -EOPNOTSUPP; | |
029d105e BF |
5066 | |
5067 | out: | |
5068 | return status; | |
5069 | } | |
5070 | ||
1da177e4 LT |
5071 | static int |
5072 | decode_savefh(struct xdr_stream *xdr) | |
5073 | { | |
5074 | return decode_op_hdr(xdr, OP_SAVEFH); | |
5075 | } | |
5076 | ||
9e9ecc03 | 5077 | static int decode_setattr(struct xdr_stream *xdr) |
1da177e4 | 5078 | { |
8687b63a | 5079 | __be32 *p; |
1da177e4 LT |
5080 | uint32_t bmlen; |
5081 | int status; | |
5082 | ||
1da177e4 LT |
5083 | status = decode_op_hdr(xdr, OP_SETATTR); |
5084 | if (status) | |
5085 | return status; | |
c0eae66e BH |
5086 | p = xdr_inline_decode(xdr, 4); |
5087 | if (unlikely(!p)) | |
5088 | goto out_overflow; | |
cccddf4f | 5089 | bmlen = be32_to_cpup(p); |
c0eae66e BH |
5090 | p = xdr_inline_decode(xdr, bmlen << 2); |
5091 | if (likely(p)) | |
5092 | return 0; | |
5093 | out_overflow: | |
5094 | print_overflow_msg(__func__, xdr); | |
5095 | return -EIO; | |
1da177e4 LT |
5096 | } |
5097 | ||
bb8b27e5 | 5098 | static int decode_setclientid(struct xdr_stream *xdr, struct nfs4_setclientid_res *res) |
1da177e4 | 5099 | { |
8687b63a | 5100 | __be32 *p; |
1da177e4 LT |
5101 | uint32_t opnum; |
5102 | int32_t nfserr; | |
5103 | ||
c0eae66e BH |
5104 | p = xdr_inline_decode(xdr, 8); |
5105 | if (unlikely(!p)) | |
5106 | goto out_overflow; | |
6f723f77 | 5107 | opnum = be32_to_cpup(p++); |
1da177e4 | 5108 | if (opnum != OP_SETCLIENTID) { |
fe82a183 | 5109 | dprintk("nfs: decode_setclientid: Server returned operation" |
6c0195a4 | 5110 | " %d\n", opnum); |
1da177e4 LT |
5111 | return -EIO; |
5112 | } | |
cccddf4f | 5113 | nfserr = be32_to_cpup(p); |
1da177e4 | 5114 | if (nfserr == NFS_OK) { |
c0eae66e BH |
5115 | p = xdr_inline_decode(xdr, 8 + NFS4_VERIFIER_SIZE); |
5116 | if (unlikely(!p)) | |
5117 | goto out_overflow; | |
bb8b27e5 TM |
5118 | p = xdr_decode_hyper(p, &res->clientid); |
5119 | memcpy(res->confirm.data, p, NFS4_VERIFIER_SIZE); | |
1da177e4 LT |
5120 | } else if (nfserr == NFSERR_CLID_INUSE) { |
5121 | uint32_t len; | |
5122 | ||
5123 | /* skip netid string */ | |
c0eae66e BH |
5124 | p = xdr_inline_decode(xdr, 4); |
5125 | if (unlikely(!p)) | |
5126 | goto out_overflow; | |
cccddf4f | 5127 | len = be32_to_cpup(p); |
c0eae66e BH |
5128 | p = xdr_inline_decode(xdr, len); |
5129 | if (unlikely(!p)) | |
5130 | goto out_overflow; | |
1da177e4 LT |
5131 | |
5132 | /* skip uaddr string */ | |
c0eae66e BH |
5133 | p = xdr_inline_decode(xdr, 4); |
5134 | if (unlikely(!p)) | |
5135 | goto out_overflow; | |
cccddf4f | 5136 | len = be32_to_cpup(p); |
c0eae66e BH |
5137 | p = xdr_inline_decode(xdr, len); |
5138 | if (unlikely(!p)) | |
5139 | goto out_overflow; | |
1da177e4 LT |
5140 | return -NFSERR_CLID_INUSE; |
5141 | } else | |
856dff3d | 5142 | return nfs4_stat_to_errno(nfserr); |
1da177e4 LT |
5143 | |
5144 | return 0; | |
c0eae66e BH |
5145 | out_overflow: |
5146 | print_overflow_msg(__func__, xdr); | |
5147 | return -EIO; | |
1da177e4 LT |
5148 | } |
5149 | ||
5150 | static int decode_setclientid_confirm(struct xdr_stream *xdr) | |
5151 | { | |
5152 | return decode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM); | |
5153 | } | |
5154 | ||
5155 | static int decode_write(struct xdr_stream *xdr, struct nfs_writeres *res) | |
5156 | { | |
8687b63a | 5157 | __be32 *p; |
1da177e4 LT |
5158 | int status; |
5159 | ||
5160 | status = decode_op_hdr(xdr, OP_WRITE); | |
5161 | if (status) | |
5162 | return status; | |
5163 | ||
c0eae66e BH |
5164 | p = xdr_inline_decode(xdr, 16); |
5165 | if (unlikely(!p)) | |
5166 | goto out_overflow; | |
6f723f77 BH |
5167 | res->count = be32_to_cpup(p++); |
5168 | res->verf->committed = be32_to_cpup(p++); | |
99398d06 | 5169 | memcpy(res->verf->verifier, p, 8); |
1da177e4 | 5170 | return 0; |
c0eae66e BH |
5171 | out_overflow: |
5172 | print_overflow_msg(__func__, xdr); | |
5173 | return -EIO; | |
1da177e4 LT |
5174 | } |
5175 | ||
5176 | static int decode_delegreturn(struct xdr_stream *xdr) | |
5177 | { | |
5178 | return decode_op_hdr(xdr, OP_DELEGRETURN); | |
5179 | } | |
5180 | ||
5a5ea0d4 BS |
5181 | static int decode_secinfo_gss(struct xdr_stream *xdr, struct nfs4_secinfo_flavor *flavor) |
5182 | { | |
5183 | __be32 *p; | |
5184 | ||
5185 | p = xdr_inline_decode(xdr, 4); | |
5186 | if (unlikely(!p)) | |
5187 | goto out_overflow; | |
5188 | flavor->gss.sec_oid4.len = be32_to_cpup(p); | |
5189 | if (flavor->gss.sec_oid4.len > GSS_OID_MAX_LEN) | |
5190 | goto out_err; | |
5191 | ||
5192 | p = xdr_inline_decode(xdr, flavor->gss.sec_oid4.len); | |
5193 | if (unlikely(!p)) | |
5194 | goto out_overflow; | |
5195 | memcpy(flavor->gss.sec_oid4.data, p, flavor->gss.sec_oid4.len); | |
5196 | ||
5197 | p = xdr_inline_decode(xdr, 8); | |
5198 | if (unlikely(!p)) | |
5199 | goto out_overflow; | |
5200 | flavor->gss.qop4 = be32_to_cpup(p++); | |
5201 | flavor->gss.service = be32_to_cpup(p); | |
5202 | ||
5203 | return 0; | |
5204 | ||
5205 | out_overflow: | |
5206 | print_overflow_msg(__func__, xdr); | |
5207 | return -EIO; | |
5208 | out_err: | |
5209 | return -EINVAL; | |
5210 | } | |
5211 | ||
5212 | static int decode_secinfo(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) | |
5213 | { | |
5214 | struct nfs4_secinfo_flavor *sec_flavor; | |
5215 | int status; | |
5216 | __be32 *p; | |
c3dfc280 | 5217 | int i, num_flavors; |
5a5ea0d4 BS |
5218 | |
5219 | status = decode_op_hdr(xdr, OP_SECINFO); | |
613e901e BS |
5220 | if (status) |
5221 | goto out; | |
5a5ea0d4 BS |
5222 | p = xdr_inline_decode(xdr, 4); |
5223 | if (unlikely(!p)) | |
5224 | goto out_overflow; | |
5a5ea0d4 | 5225 | |
c3dfc280 BS |
5226 | res->flavors->num_flavors = 0; |
5227 | num_flavors = be32_to_cpup(p); | |
5228 | ||
5229 | for (i = 0; i < num_flavors; i++) { | |
5a5ea0d4 | 5230 | sec_flavor = &res->flavors->flavors[i]; |
c3dfc280 | 5231 | if ((char *)&sec_flavor[1] - (char *)res->flavors > PAGE_SIZE) |
5a5ea0d4 BS |
5232 | break; |
5233 | ||
5234 | p = xdr_inline_decode(xdr, 4); | |
5235 | if (unlikely(!p)) | |
5236 | goto out_overflow; | |
5237 | sec_flavor->flavor = be32_to_cpup(p); | |
5238 | ||
5239 | if (sec_flavor->flavor == RPC_AUTH_GSS) { | |
613e901e BS |
5240 | status = decode_secinfo_gss(xdr, sec_flavor); |
5241 | if (status) | |
5242 | goto out; | |
5a5ea0d4 | 5243 | } |
c3dfc280 | 5244 | res->flavors->num_flavors++; |
5a5ea0d4 BS |
5245 | } |
5246 | ||
613e901e BS |
5247 | out: |
5248 | return status; | |
5a5ea0d4 BS |
5249 | out_overflow: |
5250 | print_overflow_msg(__func__, xdr); | |
5251 | return -EIO; | |
5252 | } | |
5253 | ||
99fe60d0 BH |
5254 | #if defined(CONFIG_NFS_V4_1) |
5255 | static int decode_exchange_id(struct xdr_stream *xdr, | |
5256 | struct nfs41_exchange_id_res *res) | |
5257 | { | |
5258 | __be32 *p; | |
5259 | uint32_t dummy; | |
2460ba57 | 5260 | char *dummy_str; |
99fe60d0 BH |
5261 | int status; |
5262 | struct nfs_client *clp = res->client; | |
7d2ed9ac | 5263 | uint32_t impl_id_count; |
99fe60d0 BH |
5264 | |
5265 | status = decode_op_hdr(xdr, OP_EXCHANGE_ID); | |
5266 | if (status) | |
5267 | return status; | |
5268 | ||
c0eae66e BH |
5269 | p = xdr_inline_decode(xdr, 8); |
5270 | if (unlikely(!p)) | |
5271 | goto out_overflow; | |
114f64b5 | 5272 | xdr_decode_hyper(p, &clp->cl_clientid); |
c0eae66e BH |
5273 | p = xdr_inline_decode(xdr, 12); |
5274 | if (unlikely(!p)) | |
5275 | goto out_overflow; | |
6f723f77 BH |
5276 | clp->cl_seqid = be32_to_cpup(p++); |
5277 | clp->cl_exchange_flags = be32_to_cpup(p++); | |
99fe60d0 BH |
5278 | |
5279 | /* We ask for SP4_NONE */ | |
cccddf4f | 5280 | dummy = be32_to_cpup(p); |
99fe60d0 BH |
5281 | if (dummy != SP4_NONE) |
5282 | return -EIO; | |
5283 | ||
5284 | /* Throw away minor_id */ | |
c0eae66e BH |
5285 | p = xdr_inline_decode(xdr, 8); |
5286 | if (unlikely(!p)) | |
5287 | goto out_overflow; | |
99fe60d0 BH |
5288 | |
5289 | /* Throw away Major id */ | |
2460ba57 BH |
5290 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
5291 | if (unlikely(status)) | |
5292 | return status; | |
99fe60d0 | 5293 | |
78fe0f41 | 5294 | /* Save server_scope */ |
2460ba57 BH |
5295 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
5296 | if (unlikely(status)) | |
5297 | return status; | |
99fe60d0 | 5298 | |
78fe0f41 WAA |
5299 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) |
5300 | return -EIO; | |
5301 | ||
5302 | memcpy(res->server_scope->server_scope, dummy_str, dummy); | |
5303 | res->server_scope->server_scope_sz = dummy; | |
5304 | ||
7d2ed9ac WAA |
5305 | /* Implementation Id */ |
5306 | p = xdr_inline_decode(xdr, 4); | |
5307 | if (unlikely(!p)) | |
5308 | goto out_overflow; | |
5309 | impl_id_count = be32_to_cpup(p++); | |
99fe60d0 | 5310 | |
7d2ed9ac WAA |
5311 | if (impl_id_count) { |
5312 | /* nii_domain */ | |
5313 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); | |
5314 | if (unlikely(status)) | |
5315 | return status; | |
5316 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) | |
5317 | return -EIO; | |
5318 | memcpy(res->impl_id->domain, dummy_str, dummy); | |
5319 | ||
5320 | /* nii_name */ | |
5321 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); | |
5322 | if (unlikely(status)) | |
5323 | return status; | |
5324 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) | |
5325 | return -EIO; | |
5326 | memcpy(res->impl_id->name, dummy_str, dummy); | |
5327 | ||
5328 | /* nii_date */ | |
5329 | p = xdr_inline_decode(xdr, 12); | |
5330 | if (unlikely(!p)) | |
5331 | goto out_overflow; | |
5332 | p = xdr_decode_hyper(p, &res->impl_id->date.seconds); | |
5333 | res->impl_id->date.nseconds = be32_to_cpup(p); | |
5334 | ||
5335 | /* if there's more than one entry, ignore the rest */ | |
5336 | } | |
99fe60d0 | 5337 | return 0; |
c0eae66e BH |
5338 | out_overflow: |
5339 | print_overflow_msg(__func__, xdr); | |
5340 | return -EIO; | |
99fe60d0 | 5341 | } |
fc931582 AA |
5342 | |
5343 | static int decode_chan_attrs(struct xdr_stream *xdr, | |
5344 | struct nfs4_channel_attrs *attrs) | |
5345 | { | |
5346 | __be32 *p; | |
c9c30dd5 | 5347 | u32 nr_attrs, val; |
fc931582 | 5348 | |
c0eae66e BH |
5349 | p = xdr_inline_decode(xdr, 28); |
5350 | if (unlikely(!p)) | |
5351 | goto out_overflow; | |
c9c30dd5 BH |
5352 | val = be32_to_cpup(p++); /* headerpadsz */ |
5353 | if (val) | |
5354 | return -EINVAL; /* no support for header padding yet */ | |
6f723f77 BH |
5355 | attrs->max_rqst_sz = be32_to_cpup(p++); |
5356 | attrs->max_resp_sz = be32_to_cpup(p++); | |
5357 | attrs->max_resp_sz_cached = be32_to_cpup(p++); | |
5358 | attrs->max_ops = be32_to_cpup(p++); | |
5359 | attrs->max_reqs = be32_to_cpup(p++); | |
cccddf4f | 5360 | nr_attrs = be32_to_cpup(p); |
fc931582 | 5361 | if (unlikely(nr_attrs > 1)) { |
a030889a WAA |
5362 | printk(KERN_WARNING "NFS: %s: Invalid rdma channel attrs " |
5363 | "count %u\n", __func__, nr_attrs); | |
fc931582 AA |
5364 | return -EINVAL; |
5365 | } | |
c0eae66e BH |
5366 | if (nr_attrs == 1) { |
5367 | p = xdr_inline_decode(xdr, 4); /* skip rdma_attrs */ | |
5368 | if (unlikely(!p)) | |
5369 | goto out_overflow; | |
5370 | } | |
fc931582 | 5371 | return 0; |
c0eae66e BH |
5372 | out_overflow: |
5373 | print_overflow_msg(__func__, xdr); | |
5374 | return -EIO; | |
fc931582 AA |
5375 | } |
5376 | ||
e78291e4 BH |
5377 | static int decode_sessionid(struct xdr_stream *xdr, struct nfs4_sessionid *sid) |
5378 | { | |
5379 | return decode_opaque_fixed(xdr, sid->data, NFS4_MAX_SESSIONID_LEN); | |
fc931582 AA |
5380 | } |
5381 | ||
5382 | static int decode_create_session(struct xdr_stream *xdr, | |
5383 | struct nfs41_create_session_res *res) | |
5384 | { | |
5385 | __be32 *p; | |
5386 | int status; | |
5387 | struct nfs_client *clp = res->client; | |
5388 | struct nfs4_session *session = clp->cl_session; | |
5389 | ||
5390 | status = decode_op_hdr(xdr, OP_CREATE_SESSION); | |
e78291e4 BH |
5391 | if (!status) |
5392 | status = decode_sessionid(xdr, &session->sess_id); | |
5393 | if (unlikely(status)) | |
fc931582 AA |
5394 | return status; |
5395 | ||
fc931582 | 5396 | /* seqid, flags */ |
c0eae66e BH |
5397 | p = xdr_inline_decode(xdr, 8); |
5398 | if (unlikely(!p)) | |
5399 | goto out_overflow; | |
6f723f77 | 5400 | clp->cl_seqid = be32_to_cpup(p++); |
cccddf4f | 5401 | session->flags = be32_to_cpup(p); |
fc931582 AA |
5402 | |
5403 | /* Channel attributes */ | |
5404 | status = decode_chan_attrs(xdr, &session->fc_attrs); | |
5405 | if (!status) | |
5406 | status = decode_chan_attrs(xdr, &session->bc_attrs); | |
5407 | return status; | |
c0eae66e BH |
5408 | out_overflow: |
5409 | print_overflow_msg(__func__, xdr); | |
5410 | return -EIO; | |
fc931582 | 5411 | } |
0f3e66c6 AA |
5412 | |
5413 | static int decode_destroy_session(struct xdr_stream *xdr, void *dummy) | |
5414 | { | |
5415 | return decode_op_hdr(xdr, OP_DESTROY_SESSION); | |
5416 | } | |
18019753 RL |
5417 | |
5418 | static int decode_reclaim_complete(struct xdr_stream *xdr, void *dummy) | |
5419 | { | |
5420 | return decode_op_hdr(xdr, OP_RECLAIM_COMPLETE); | |
5421 | } | |
99fe60d0 BH |
5422 | #endif /* CONFIG_NFS_V4_1 */ |
5423 | ||
9b7b9fcc AA |
5424 | static int decode_sequence(struct xdr_stream *xdr, |
5425 | struct nfs4_sequence_res *res, | |
5426 | struct rpc_rqst *rqstp) | |
5427 | { | |
5428 | #if defined(CONFIG_NFS_V4_1) | |
fc01cea9 AA |
5429 | struct nfs4_sessionid id; |
5430 | u32 dummy; | |
5431 | int status; | |
5432 | __be32 *p; | |
5433 | ||
9b7b9fcc AA |
5434 | if (!res->sr_session) |
5435 | return 0; | |
5436 | ||
fc01cea9 | 5437 | status = decode_op_hdr(xdr, OP_SEQUENCE); |
e78291e4 BH |
5438 | if (!status) |
5439 | status = decode_sessionid(xdr, &id); | |
5440 | if (unlikely(status)) | |
fc01cea9 | 5441 | goto out_err; |
9b7b9fcc | 5442 | |
fc01cea9 AA |
5443 | /* |
5444 | * If the server returns different values for sessionID, slotID or | |
5445 | * sequence number, the server is looney tunes. | |
5446 | */ | |
fdcb4577 | 5447 | status = -EREMOTEIO; |
fc01cea9 | 5448 | |
fc01cea9 AA |
5449 | if (memcmp(id.data, res->sr_session->sess_id.data, |
5450 | NFS4_MAX_SESSIONID_LEN)) { | |
5451 | dprintk("%s Invalid session id\n", __func__); | |
5452 | goto out_err; | |
5453 | } | |
e78291e4 | 5454 | |
c0eae66e BH |
5455 | p = xdr_inline_decode(xdr, 20); |
5456 | if (unlikely(!p)) | |
5457 | goto out_overflow; | |
e78291e4 | 5458 | |
fc01cea9 | 5459 | /* seqid */ |
6f723f77 | 5460 | dummy = be32_to_cpup(p++); |
dfb4f309 | 5461 | if (dummy != res->sr_slot->seq_nr) { |
fc01cea9 AA |
5462 | dprintk("%s Invalid sequence number\n", __func__); |
5463 | goto out_err; | |
5464 | } | |
5465 | /* slot id */ | |
6f723f77 | 5466 | dummy = be32_to_cpup(p++); |
dfb4f309 | 5467 | if (dummy != res->sr_slot - res->sr_session->fc_slot_table.slots) { |
fc01cea9 AA |
5468 | dprintk("%s Invalid slot id\n", __func__); |
5469 | goto out_err; | |
5470 | } | |
5471 | /* highest slot id - currently not processed */ | |
6f723f77 | 5472 | dummy = be32_to_cpup(p++); |
fc01cea9 | 5473 | /* target highest slot id - currently not processed */ |
6f723f77 | 5474 | dummy = be32_to_cpup(p++); |
0629e370 AB |
5475 | /* result flags */ |
5476 | res->sr_status_flags = be32_to_cpup(p); | |
fc01cea9 AA |
5477 | status = 0; |
5478 | out_err: | |
5479 | res->sr_status = status; | |
5480 | return status; | |
c0eae66e BH |
5481 | out_overflow: |
5482 | print_overflow_msg(__func__, xdr); | |
5483 | status = -EIO; | |
5484 | goto out_err; | |
fc01cea9 | 5485 | #else /* CONFIG_NFS_V4_1 */ |
9b7b9fcc | 5486 | return 0; |
fc01cea9 | 5487 | #endif /* CONFIG_NFS_V4_1 */ |
9b7b9fcc AA |
5488 | } |
5489 | ||
b1f69b75 | 5490 | #if defined(CONFIG_NFS_V4_1) |
7f11d8d3 AA |
5491 | /* |
5492 | * TODO: Need to handle case when EOF != true; | |
5493 | */ | |
5494 | static int decode_getdevicelist(struct xdr_stream *xdr, | |
5495 | struct pnfs_devicelist *res) | |
5496 | { | |
5497 | __be32 *p; | |
5498 | int status, i; | |
5499 | struct nfs_writeverf verftemp; | |
5500 | ||
5501 | status = decode_op_hdr(xdr, OP_GETDEVICELIST); | |
5502 | if (status) | |
5503 | return status; | |
5504 | ||
5505 | p = xdr_inline_decode(xdr, 8 + 8 + 4); | |
5506 | if (unlikely(!p)) | |
5507 | goto out_overflow; | |
5508 | ||
5509 | /* TODO: Skip cookie for now */ | |
5510 | p += 2; | |
5511 | ||
5512 | /* Read verifier */ | |
5513 | p = xdr_decode_opaque_fixed(p, verftemp.verifier, 8); | |
5514 | ||
5515 | res->num_devs = be32_to_cpup(p); | |
5516 | ||
5517 | dprintk("%s: num_dev %d\n", __func__, res->num_devs); | |
5518 | ||
5519 | if (res->num_devs > NFS4_PNFS_GETDEVLIST_MAXNUM) { | |
a030889a | 5520 | printk(KERN_ERR "NFS: %s too many result dev_num %u\n", |
7f11d8d3 AA |
5521 | __func__, res->num_devs); |
5522 | return -EIO; | |
5523 | } | |
5524 | ||
5525 | p = xdr_inline_decode(xdr, | |
5526 | res->num_devs * NFS4_DEVICEID4_SIZE + 4); | |
5527 | if (unlikely(!p)) | |
5528 | goto out_overflow; | |
5529 | for (i = 0; i < res->num_devs; i++) | |
5530 | p = xdr_decode_opaque_fixed(p, res->dev_id[i].data, | |
5531 | NFS4_DEVICEID4_SIZE); | |
5532 | res->eof = be32_to_cpup(p); | |
5533 | return 0; | |
5534 | out_overflow: | |
5535 | print_overflow_msg(__func__, xdr); | |
5536 | return -EIO; | |
5537 | } | |
b1f69b75 AA |
5538 | |
5539 | static int decode_getdeviceinfo(struct xdr_stream *xdr, | |
5540 | struct pnfs_device *pdev) | |
5541 | { | |
5542 | __be32 *p; | |
5543 | uint32_t len, type; | |
5544 | int status; | |
5545 | ||
5546 | status = decode_op_hdr(xdr, OP_GETDEVICEINFO); | |
5547 | if (status) { | |
5548 | if (status == -ETOOSMALL) { | |
5549 | p = xdr_inline_decode(xdr, 4); | |
5550 | if (unlikely(!p)) | |
5551 | goto out_overflow; | |
5552 | pdev->mincount = be32_to_cpup(p); | |
5553 | dprintk("%s: Min count too small. mincnt = %u\n", | |
5554 | __func__, pdev->mincount); | |
5555 | } | |
5556 | return status; | |
5557 | } | |
5558 | ||
5559 | p = xdr_inline_decode(xdr, 8); | |
5560 | if (unlikely(!p)) | |
5561 | goto out_overflow; | |
5562 | type = be32_to_cpup(p++); | |
5563 | if (type != pdev->layout_type) { | |
5564 | dprintk("%s: layout mismatch req: %u pdev: %u\n", | |
5565 | __func__, pdev->layout_type, type); | |
5566 | return -EINVAL; | |
5567 | } | |
5568 | /* | |
5569 | * Get the length of the opaque device_addr4. xdr_read_pages places | |
5570 | * the opaque device_addr4 in the xdr_buf->pages (pnfs_device->pages) | |
5571 | * and places the remaining xdr data in xdr_buf->tail | |
5572 | */ | |
5573 | pdev->mincount = be32_to_cpup(p); | |
5574 | xdr_read_pages(xdr, pdev->mincount); /* include space for the length */ | |
5575 | ||
5576 | /* Parse notification bitmap, verifying that it is zero. */ | |
5577 | p = xdr_inline_decode(xdr, 4); | |
5578 | if (unlikely(!p)) | |
5579 | goto out_overflow; | |
5580 | len = be32_to_cpup(p); | |
5581 | if (len) { | |
ead00597 | 5582 | uint32_t i; |
b1f69b75 AA |
5583 | |
5584 | p = xdr_inline_decode(xdr, 4 * len); | |
5585 | if (unlikely(!p)) | |
5586 | goto out_overflow; | |
5587 | for (i = 0; i < len; i++, p++) { | |
5588 | if (be32_to_cpup(p)) { | |
5589 | dprintk("%s: notifications not supported\n", | |
5590 | __func__); | |
5591 | return -EIO; | |
5592 | } | |
5593 | } | |
5594 | } | |
5595 | return 0; | |
5596 | out_overflow: | |
5597 | print_overflow_msg(__func__, xdr); | |
5598 | return -EIO; | |
5599 | } | |
5600 | ||
5601 | static int decode_layoutget(struct xdr_stream *xdr, struct rpc_rqst *req, | |
5602 | struct nfs4_layoutget_res *res) | |
5603 | { | |
5604 | __be32 *p; | |
5605 | int status; | |
5606 | u32 layout_count; | |
35124a09 WAA |
5607 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; |
5608 | struct kvec *iov = rcvbuf->head; | |
5609 | u32 hdrlen, recvd; | |
b1f69b75 AA |
5610 | |
5611 | status = decode_op_hdr(xdr, OP_LAYOUTGET); | |
5612 | if (status) | |
5613 | return status; | |
5614 | p = xdr_inline_decode(xdr, 8 + NFS4_STATEID_SIZE); | |
5615 | if (unlikely(!p)) | |
5616 | goto out_overflow; | |
5617 | res->return_on_close = be32_to_cpup(p++); | |
5618 | p = xdr_decode_opaque_fixed(p, res->stateid.data, NFS4_STATEID_SIZE); | |
5619 | layout_count = be32_to_cpup(p); | |
5620 | if (!layout_count) { | |
5621 | dprintk("%s: server responded with empty layout array\n", | |
5622 | __func__); | |
5623 | return -EINVAL; | |
5624 | } | |
5625 | ||
35124a09 | 5626 | p = xdr_inline_decode(xdr, 28); |
b1f69b75 AA |
5627 | if (unlikely(!p)) |
5628 | goto out_overflow; | |
5629 | p = xdr_decode_hyper(p, &res->range.offset); | |
5630 | p = xdr_decode_hyper(p, &res->range.length); | |
5631 | res->range.iomode = be32_to_cpup(p++); | |
5632 | res->type = be32_to_cpup(p++); | |
35124a09 | 5633 | res->layoutp->len = be32_to_cpup(p); |
b1f69b75 AA |
5634 | |
5635 | dprintk("%s roff:%lu rlen:%lu riomode:%d, lo_type:0x%x, lo.len:%d\n", | |
5636 | __func__, | |
5637 | (unsigned long)res->range.offset, | |
5638 | (unsigned long)res->range.length, | |
5639 | res->range.iomode, | |
5640 | res->type, | |
35124a09 WAA |
5641 | res->layoutp->len); |
5642 | ||
5643 | hdrlen = (u8 *) xdr->p - (u8 *) iov->iov_base; | |
5644 | recvd = req->rq_rcv_buf.len - hdrlen; | |
5645 | if (res->layoutp->len > recvd) { | |
5646 | dprintk("NFS: server cheating in layoutget reply: " | |
5647 | "layout len %u > recvd %u\n", | |
5648 | res->layoutp->len, recvd); | |
5649 | return -EINVAL; | |
5650 | } | |
b1f69b75 | 5651 | |
35124a09 | 5652 | xdr_read_pages(xdr, res->layoutp->len); |
b1f69b75 AA |
5653 | |
5654 | if (layout_count > 1) { | |
5655 | /* We only handle a length one array at the moment. Any | |
5656 | * further entries are just ignored. Note that this means | |
5657 | * the client may see a response that is less than the | |
5658 | * minimum it requested. | |
5659 | */ | |
5660 | dprintk("%s: server responded with %d layouts, dropping tail\n", | |
5661 | __func__, layout_count); | |
5662 | } | |
5663 | ||
5664 | return 0; | |
5665 | out_overflow: | |
5666 | print_overflow_msg(__func__, xdr); | |
5667 | return -EIO; | |
5668 | } | |
863a3c6c | 5669 | |
cbe82603 BH |
5670 | static int decode_layoutreturn(struct xdr_stream *xdr, |
5671 | struct nfs4_layoutreturn_res *res) | |
5672 | { | |
5673 | __be32 *p; | |
5674 | int status; | |
5675 | ||
5676 | status = decode_op_hdr(xdr, OP_LAYOUTRETURN); | |
5677 | if (status) | |
5678 | return status; | |
5679 | p = xdr_inline_decode(xdr, 4); | |
5680 | if (unlikely(!p)) | |
5681 | goto out_overflow; | |
5682 | res->lrs_present = be32_to_cpup(p); | |
5683 | if (res->lrs_present) | |
5684 | status = decode_stateid(xdr, &res->stateid); | |
5685 | return status; | |
5686 | out_overflow: | |
5687 | print_overflow_msg(__func__, xdr); | |
5688 | return -EIO; | |
5689 | } | |
5690 | ||
863a3c6c AA |
5691 | static int decode_layoutcommit(struct xdr_stream *xdr, |
5692 | struct rpc_rqst *req, | |
5693 | struct nfs4_layoutcommit_res *res) | |
5694 | { | |
5695 | __be32 *p; | |
5696 | __u32 sizechanged; | |
5697 | int status; | |
5698 | ||
5699 | status = decode_op_hdr(xdr, OP_LAYOUTCOMMIT); | |
db29c089 | 5700 | res->status = status; |
863a3c6c AA |
5701 | if (status) |
5702 | return status; | |
5703 | ||
5704 | p = xdr_inline_decode(xdr, 4); | |
5705 | if (unlikely(!p)) | |
5706 | goto out_overflow; | |
5707 | sizechanged = be32_to_cpup(p); | |
5708 | ||
5709 | if (sizechanged) { | |
5710 | /* throw away new size */ | |
5711 | p = xdr_inline_decode(xdr, 8); | |
5712 | if (unlikely(!p)) | |
5713 | goto out_overflow; | |
5714 | } | |
5715 | return 0; | |
5716 | out_overflow: | |
5717 | print_overflow_msg(__func__, xdr); | |
5718 | return -EIO; | |
5719 | } | |
7d974794 BS |
5720 | |
5721 | static int decode_test_stateid(struct xdr_stream *xdr, | |
5722 | struct nfs41_test_stateid_res *res) | |
5723 | { | |
5724 | __be32 *p; | |
5725 | int status; | |
5726 | int num_res; | |
5727 | ||
5728 | status = decode_op_hdr(xdr, OP_TEST_STATEID); | |
5729 | if (status) | |
5730 | return status; | |
5731 | ||
5732 | p = xdr_inline_decode(xdr, 4); | |
5733 | if (unlikely(!p)) | |
5734 | goto out_overflow; | |
5735 | num_res = be32_to_cpup(p++); | |
5736 | if (num_res != 1) | |
5737 | goto out; | |
5738 | ||
5739 | p = xdr_inline_decode(xdr, 4); | |
5740 | if (unlikely(!p)) | |
5741 | goto out_overflow; | |
5742 | res->status = be32_to_cpup(p++); | |
1cab0652 BS |
5743 | |
5744 | return status; | |
7d974794 BS |
5745 | out_overflow: |
5746 | print_overflow_msg(__func__, xdr); | |
5747 | out: | |
5748 | return -EIO; | |
5749 | } | |
9aeda35f BS |
5750 | |
5751 | static int decode_free_stateid(struct xdr_stream *xdr, | |
5752 | struct nfs41_free_stateid_res *res) | |
5753 | { | |
5754 | __be32 *p; | |
5755 | int status; | |
5756 | ||
5757 | status = decode_op_hdr(xdr, OP_FREE_STATEID); | |
5758 | if (status) | |
5759 | return status; | |
5760 | ||
5761 | p = xdr_inline_decode(xdr, 4); | |
5762 | if (unlikely(!p)) | |
5763 | goto out_overflow; | |
5764 | res->status = be32_to_cpup(p++); | |
5765 | return res->status; | |
5766 | out_overflow: | |
5767 | print_overflow_msg(__func__, xdr); | |
5768 | return -EIO; | |
5769 | } | |
b1f69b75 AA |
5770 | #endif /* CONFIG_NFS_V4_1 */ |
5771 | ||
49c2559e BH |
5772 | /* |
5773 | * END OF "GENERIC" DECODE ROUTINES. | |
5774 | */ | |
5775 | ||
1da177e4 LT |
5776 | /* |
5777 | * Decode OPEN_DOWNGRADE response | |
5778 | */ | |
bf269551 CL |
5779 | static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst *rqstp, |
5780 | struct xdr_stream *xdr, | |
5781 | struct nfs_closeres *res) | |
1da177e4 | 5782 | { |
05d564fe AA |
5783 | struct compound_hdr hdr; |
5784 | int status; | |
5785 | ||
bf269551 | 5786 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5787 | if (status) |
5788 | goto out; | |
bf269551 | 5789 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
5790 | if (status) |
5791 | goto out; | |
bf269551 | 5792 | status = decode_putfh(xdr); |
05d564fe AA |
5793 | if (status) |
5794 | goto out; | |
bf269551 | 5795 | status = decode_open_downgrade(xdr, res); |
516a6af6 TM |
5796 | if (status != 0) |
5797 | goto out; | |
6926afd1 | 5798 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 | 5799 | out: |
05d564fe | 5800 | return status; |
1da177e4 LT |
5801 | } |
5802 | ||
1da177e4 LT |
5803 | /* |
5804 | * Decode ACCESS response | |
5805 | */ | |
bf269551 CL |
5806 | static int nfs4_xdr_dec_access(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5807 | struct nfs4_accessres *res) | |
1da177e4 | 5808 | { |
1da177e4 LT |
5809 | struct compound_hdr hdr; |
5810 | int status; | |
6c0195a4 | 5811 | |
bf269551 | 5812 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5813 | if (status) |
5814 | goto out; | |
bf269551 | 5815 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5816 | if (status) |
1da177e4 | 5817 | goto out; |
bf269551 | 5818 | status = decode_putfh(xdr); |
76b32999 TM |
5819 | if (status != 0) |
5820 | goto out; | |
bf269551 | 5821 | status = decode_access(xdr, res); |
76b32999 TM |
5822 | if (status != 0) |
5823 | goto out; | |
6926afd1 | 5824 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
5825 | out: |
5826 | return status; | |
5827 | } | |
5828 | ||
5829 | /* | |
5830 | * Decode LOOKUP response | |
5831 | */ | |
bf269551 CL |
5832 | static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5833 | struct nfs4_lookup_res *res) | |
1da177e4 | 5834 | { |
1da177e4 LT |
5835 | struct compound_hdr hdr; |
5836 | int status; | |
6c0195a4 | 5837 | |
bf269551 | 5838 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5839 | if (status) |
5840 | goto out; | |
bf269551 | 5841 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5842 | if (status) |
1da177e4 | 5843 | goto out; |
bf269551 CL |
5844 | status = decode_putfh(xdr); |
5845 | if (status) | |
1da177e4 | 5846 | goto out; |
bf269551 CL |
5847 | status = decode_lookup(xdr); |
5848 | if (status) | |
1da177e4 | 5849 | goto out; |
bf269551 CL |
5850 | status = decode_getfh(xdr, res->fh); |
5851 | if (status) | |
1da177e4 | 5852 | goto out; |
6926afd1 | 5853 | status = decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
5854 | out: |
5855 | return status; | |
5856 | } | |
5857 | ||
5858 | /* | |
5859 | * Decode LOOKUP_ROOT response | |
5860 | */ | |
bf269551 CL |
5861 | static int nfs4_xdr_dec_lookup_root(struct rpc_rqst *rqstp, |
5862 | struct xdr_stream *xdr, | |
5863 | struct nfs4_lookup_res *res) | |
1da177e4 | 5864 | { |
1da177e4 LT |
5865 | struct compound_hdr hdr; |
5866 | int status; | |
6c0195a4 | 5867 | |
bf269551 | 5868 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5869 | if (status) |
5870 | goto out; | |
bf269551 | 5871 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5872 | if (status) |
1da177e4 | 5873 | goto out; |
bf269551 CL |
5874 | status = decode_putrootfh(xdr); |
5875 | if (status) | |
1da177e4 | 5876 | goto out; |
bf269551 CL |
5877 | status = decode_getfh(xdr, res->fh); |
5878 | if (status == 0) | |
6926afd1 | 5879 | status = decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
5880 | out: |
5881 | return status; | |
5882 | } | |
5883 | ||
5884 | /* | |
5885 | * Decode REMOVE response | |
5886 | */ | |
bf269551 CL |
5887 | static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5888 | struct nfs_removeres *res) | |
1da177e4 | 5889 | { |
1da177e4 LT |
5890 | struct compound_hdr hdr; |
5891 | int status; | |
6c0195a4 | 5892 | |
bf269551 | 5893 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5894 | if (status) |
5895 | goto out; | |
bf269551 | 5896 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5897 | if (status) |
1da177e4 | 5898 | goto out; |
bf269551 CL |
5899 | status = decode_putfh(xdr); |
5900 | if (status) | |
16e42959 | 5901 | goto out; |
bf269551 CL |
5902 | status = decode_remove(xdr, &res->cinfo); |
5903 | if (status) | |
16e42959 | 5904 | goto out; |
6926afd1 | 5905 | decode_getfattr(xdr, res->dir_attr, res->server); |
1da177e4 LT |
5906 | out: |
5907 | return status; | |
5908 | } | |
5909 | ||
5910 | /* | |
5911 | * Decode RENAME response | |
5912 | */ | |
bf269551 CL |
5913 | static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5914 | struct nfs_renameres *res) | |
1da177e4 | 5915 | { |
1da177e4 LT |
5916 | struct compound_hdr hdr; |
5917 | int status; | |
6c0195a4 | 5918 | |
bf269551 | 5919 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5920 | if (status) |
5921 | goto out; | |
bf269551 | 5922 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5923 | if (status) |
1da177e4 | 5924 | goto out; |
bf269551 CL |
5925 | status = decode_putfh(xdr); |
5926 | if (status) | |
1da177e4 | 5927 | goto out; |
bf269551 CL |
5928 | status = decode_savefh(xdr); |
5929 | if (status) | |
1da177e4 | 5930 | goto out; |
bf269551 CL |
5931 | status = decode_putfh(xdr); |
5932 | if (status) | |
1da177e4 | 5933 | goto out; |
bf269551 CL |
5934 | status = decode_rename(xdr, &res->old_cinfo, &res->new_cinfo); |
5935 | if (status) | |
6caf2c82 TM |
5936 | goto out; |
5937 | /* Current FH is target directory */ | |
6926afd1 | 5938 | if (decode_getfattr(xdr, res->new_fattr, res->server)) |
6caf2c82 | 5939 | goto out; |
bf269551 CL |
5940 | status = decode_restorefh(xdr); |
5941 | if (status) | |
6caf2c82 | 5942 | goto out; |
6926afd1 | 5943 | decode_getfattr(xdr, res->old_fattr, res->server); |
1da177e4 LT |
5944 | out: |
5945 | return status; | |
5946 | } | |
5947 | ||
5948 | /* | |
5949 | * Decode LINK response | |
5950 | */ | |
bf269551 CL |
5951 | static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5952 | struct nfs4_link_res *res) | |
1da177e4 | 5953 | { |
1da177e4 LT |
5954 | struct compound_hdr hdr; |
5955 | int status; | |
6c0195a4 | 5956 | |
bf269551 | 5957 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5958 | if (status) |
5959 | goto out; | |
bf269551 | 5960 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5961 | if (status) |
1da177e4 | 5962 | goto out; |
bf269551 CL |
5963 | status = decode_putfh(xdr); |
5964 | if (status) | |
1da177e4 | 5965 | goto out; |
bf269551 CL |
5966 | status = decode_savefh(xdr); |
5967 | if (status) | |
1da177e4 | 5968 | goto out; |
bf269551 CL |
5969 | status = decode_putfh(xdr); |
5970 | if (status) | |
1da177e4 | 5971 | goto out; |
bf269551 CL |
5972 | status = decode_link(xdr, &res->cinfo); |
5973 | if (status) | |
91ba2eee TM |
5974 | goto out; |
5975 | /* | |
5976 | * Note order: OP_LINK leaves the directory as the current | |
5977 | * filehandle. | |
5978 | */ | |
6926afd1 | 5979 | if (decode_getfattr(xdr, res->dir_attr, res->server)) |
91ba2eee | 5980 | goto out; |
bf269551 CL |
5981 | status = decode_restorefh(xdr); |
5982 | if (status) | |
91ba2eee | 5983 | goto out; |
6926afd1 | 5984 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
5985 | out: |
5986 | return status; | |
5987 | } | |
5988 | ||
5989 | /* | |
5990 | * Decode CREATE response | |
5991 | */ | |
bf269551 CL |
5992 | static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5993 | struct nfs4_create_res *res) | |
1da177e4 | 5994 | { |
1da177e4 LT |
5995 | struct compound_hdr hdr; |
5996 | int status; | |
6c0195a4 | 5997 | |
bf269551 | 5998 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5999 | if (status) |
6000 | goto out; | |
bf269551 | 6001 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6002 | if (status) |
1da177e4 | 6003 | goto out; |
bf269551 CL |
6004 | status = decode_putfh(xdr); |
6005 | if (status) | |
1da177e4 | 6006 | goto out; |
bf269551 CL |
6007 | status = decode_savefh(xdr); |
6008 | if (status) | |
56ae19f3 | 6009 | goto out; |
bf269551 CL |
6010 | status = decode_create(xdr, &res->dir_cinfo); |
6011 | if (status) | |
1da177e4 | 6012 | goto out; |
bf269551 CL |
6013 | status = decode_getfh(xdr, res->fh); |
6014 | if (status) | |
1da177e4 | 6015 | goto out; |
6926afd1 | 6016 | if (decode_getfattr(xdr, res->fattr, res->server)) |
56ae19f3 | 6017 | goto out; |
bf269551 CL |
6018 | status = decode_restorefh(xdr); |
6019 | if (status) | |
56ae19f3 | 6020 | goto out; |
6926afd1 | 6021 | decode_getfattr(xdr, res->dir_fattr, res->server); |
1da177e4 LT |
6022 | out: |
6023 | return status; | |
6024 | } | |
6025 | ||
6026 | /* | |
6027 | * Decode SYMLINK response | |
6028 | */ | |
bf269551 CL |
6029 | static int nfs4_xdr_dec_symlink(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6030 | struct nfs4_create_res *res) | |
1da177e4 | 6031 | { |
bf269551 | 6032 | return nfs4_xdr_dec_create(rqstp, xdr, res); |
1da177e4 LT |
6033 | } |
6034 | ||
6035 | /* | |
6036 | * Decode GETATTR response | |
6037 | */ | |
bf269551 CL |
6038 | static int nfs4_xdr_dec_getattr(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6039 | struct nfs4_getattr_res *res) | |
1da177e4 | 6040 | { |
1da177e4 LT |
6041 | struct compound_hdr hdr; |
6042 | int status; | |
6c0195a4 | 6043 | |
bf269551 | 6044 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6045 | if (status) |
6046 | goto out; | |
bf269551 | 6047 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6048 | if (status) |
6049 | goto out; | |
bf269551 | 6050 | status = decode_putfh(xdr); |
1da177e4 LT |
6051 | if (status) |
6052 | goto out; | |
6926afd1 | 6053 | status = decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6054 | out: |
6055 | return status; | |
1da177e4 LT |
6056 | } |
6057 | ||
23ec6965 BF |
6058 | /* |
6059 | * Encode an SETACL request | |
6060 | */ | |
9f06c719 CL |
6061 | static void nfs4_xdr_enc_setacl(struct rpc_rqst *req, struct xdr_stream *xdr, |
6062 | struct nfs_setaclargs *args) | |
23ec6965 | 6063 | { |
05d564fe | 6064 | struct compound_hdr hdr = { |
66cc0429 | 6065 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 6066 | }; |
05d564fe | 6067 | |
9f06c719 CL |
6068 | encode_compound_hdr(xdr, req, &hdr); |
6069 | encode_sequence(xdr, &args->seq_args, &hdr); | |
6070 | encode_putfh(xdr, args->fh, &hdr); | |
6071 | encode_setacl(xdr, args, &hdr); | |
d017931c | 6072 | encode_nops(&hdr); |
23ec6965 | 6073 | } |
05d564fe | 6074 | |
23ec6965 BF |
6075 | /* |
6076 | * Decode SETACL response | |
6077 | */ | |
6078 | static int | |
bf269551 | 6079 | nfs4_xdr_dec_setacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
73c403a9 | 6080 | struct nfs_setaclres *res) |
23ec6965 | 6081 | { |
23ec6965 BF |
6082 | struct compound_hdr hdr; |
6083 | int status; | |
6084 | ||
bf269551 | 6085 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6086 | if (status) |
6087 | goto out; | |
bf269551 | 6088 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
23ec6965 BF |
6089 | if (status) |
6090 | goto out; | |
bf269551 | 6091 | status = decode_putfh(xdr); |
23ec6965 BF |
6092 | if (status) |
6093 | goto out; | |
bf269551 | 6094 | status = decode_setattr(xdr); |
23ec6965 BF |
6095 | out: |
6096 | return status; | |
6097 | } | |
1da177e4 | 6098 | |
029d105e BF |
6099 | /* |
6100 | * Decode GETACL response | |
6101 | */ | |
6102 | static int | |
bf269551 | 6103 | nfs4_xdr_dec_getacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
663c79b3 | 6104 | struct nfs_getaclres *res) |
029d105e | 6105 | { |
029d105e BF |
6106 | struct compound_hdr hdr; |
6107 | int status; | |
6108 | ||
bf269551 | 6109 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6110 | if (status) |
6111 | goto out; | |
bf269551 | 6112 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
029d105e BF |
6113 | if (status) |
6114 | goto out; | |
bf269551 | 6115 | status = decode_putfh(xdr); |
029d105e BF |
6116 | if (status) |
6117 | goto out; | |
bf118a34 | 6118 | status = decode_getacl(xdr, rqstp, res); |
029d105e BF |
6119 | |
6120 | out: | |
6121 | return status; | |
6122 | } | |
6123 | ||
1da177e4 LT |
6124 | /* |
6125 | * Decode CLOSE response | |
6126 | */ | |
bf269551 CL |
6127 | static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6128 | struct nfs_closeres *res) | |
1da177e4 | 6129 | { |
05d564fe AA |
6130 | struct compound_hdr hdr; |
6131 | int status; | |
6132 | ||
bf269551 | 6133 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6134 | if (status) |
6135 | goto out; | |
bf269551 | 6136 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6137 | if (status) |
6138 | goto out; | |
bf269551 | 6139 | status = decode_putfh(xdr); |
05d564fe AA |
6140 | if (status) |
6141 | goto out; | |
bf269551 | 6142 | status = decode_close(xdr, res); |
516a6af6 TM |
6143 | if (status != 0) |
6144 | goto out; | |
6145 | /* | |
6146 | * Note: Server may do delete on close for this file | |
6147 | * in which case the getattr call will fail with | |
6148 | * an ESTALE error. Shouldn't be a problem, | |
6149 | * though, since fattr->valid will remain unset. | |
6150 | */ | |
6926afd1 | 6151 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 | 6152 | out: |
05d564fe | 6153 | return status; |
1da177e4 LT |
6154 | } |
6155 | ||
6156 | /* | |
6157 | * Decode OPEN response | |
6158 | */ | |
bf269551 CL |
6159 | static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6160 | struct nfs_openres *res) | |
1da177e4 | 6161 | { |
05d564fe AA |
6162 | struct compound_hdr hdr; |
6163 | int status; | |
6164 | ||
bf269551 | 6165 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6166 | if (status) |
6167 | goto out; | |
bf269551 | 6168 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6169 | if (status) |
6170 | goto out; | |
bf269551 | 6171 | status = decode_putfh(xdr); |
05d564fe AA |
6172 | if (status) |
6173 | goto out; | |
bf269551 | 6174 | status = decode_savefh(xdr); |
05d564fe AA |
6175 | if (status) |
6176 | goto out; | |
bf269551 | 6177 | status = decode_open(xdr, res); |
56ae19f3 TM |
6178 | if (status) |
6179 | goto out; | |
bf269551 | 6180 | if (decode_getfh(xdr, &res->fh) != 0) |
1da177e4 | 6181 | goto out; |
6926afd1 | 6182 | if (decode_getfattr(xdr, res->f_attr, res->server) != 0) |
56ae19f3 | 6183 | goto out; |
bf269551 | 6184 | if (decode_restorefh(xdr) != 0) |
56ae19f3 | 6185 | goto out; |
6926afd1 | 6186 | decode_getfattr(xdr, res->dir_attr, res->server); |
1da177e4 | 6187 | out: |
05d564fe | 6188 | return status; |
1da177e4 LT |
6189 | } |
6190 | ||
6191 | /* | |
6192 | * Decode OPEN_CONFIRM response | |
6193 | */ | |
bf269551 CL |
6194 | static int nfs4_xdr_dec_open_confirm(struct rpc_rqst *rqstp, |
6195 | struct xdr_stream *xdr, | |
6196 | struct nfs_open_confirmres *res) | |
1da177e4 | 6197 | { |
05d564fe AA |
6198 | struct compound_hdr hdr; |
6199 | int status; | |
6200 | ||
bf269551 | 6201 | status = decode_compound_hdr(xdr, &hdr); |
05d564fe AA |
6202 | if (status) |
6203 | goto out; | |
bf269551 | 6204 | status = decode_putfh(xdr); |
05d564fe AA |
6205 | if (status) |
6206 | goto out; | |
bf269551 | 6207 | status = decode_open_confirm(xdr, res); |
1da177e4 | 6208 | out: |
05d564fe | 6209 | return status; |
1da177e4 LT |
6210 | } |
6211 | ||
6212 | /* | |
6213 | * Decode OPEN response | |
6214 | */ | |
bf269551 CL |
6215 | static int nfs4_xdr_dec_open_noattr(struct rpc_rqst *rqstp, |
6216 | struct xdr_stream *xdr, | |
6217 | struct nfs_openres *res) | |
1da177e4 | 6218 | { |
05d564fe AA |
6219 | struct compound_hdr hdr; |
6220 | int status; | |
6221 | ||
bf269551 | 6222 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6223 | if (status) |
6224 | goto out; | |
bf269551 | 6225 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6226 | if (status) |
6227 | goto out; | |
bf269551 | 6228 | status = decode_putfh(xdr); |
05d564fe AA |
6229 | if (status) |
6230 | goto out; | |
bf269551 | 6231 | status = decode_open(xdr, res); |
05d564fe AA |
6232 | if (status) |
6233 | goto out; | |
6926afd1 | 6234 | decode_getfattr(xdr, res->f_attr, res->server); |
1da177e4 | 6235 | out: |
05d564fe | 6236 | return status; |
1da177e4 LT |
6237 | } |
6238 | ||
6239 | /* | |
6240 | * Decode SETATTR response | |
6241 | */ | |
bf269551 CL |
6242 | static int nfs4_xdr_dec_setattr(struct rpc_rqst *rqstp, |
6243 | struct xdr_stream *xdr, | |
6244 | struct nfs_setattrres *res) | |
1da177e4 | 6245 | { |
05d564fe AA |
6246 | struct compound_hdr hdr; |
6247 | int status; | |
6248 | ||
bf269551 | 6249 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6250 | if (status) |
6251 | goto out; | |
bf269551 | 6252 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6253 | if (status) |
6254 | goto out; | |
bf269551 | 6255 | status = decode_putfh(xdr); |
05d564fe AA |
6256 | if (status) |
6257 | goto out; | |
bf269551 | 6258 | status = decode_setattr(xdr); |
05d564fe AA |
6259 | if (status) |
6260 | goto out; | |
6926afd1 | 6261 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 | 6262 | out: |
05d564fe | 6263 | return status; |
1da177e4 LT |
6264 | } |
6265 | ||
6266 | /* | |
6267 | * Decode LOCK response | |
6268 | */ | |
bf269551 CL |
6269 | static int nfs4_xdr_dec_lock(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6270 | struct nfs_lock_res *res) | |
1da177e4 | 6271 | { |
1da177e4 LT |
6272 | struct compound_hdr hdr; |
6273 | int status; | |
6274 | ||
bf269551 | 6275 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6276 | if (status) |
6277 | goto out; | |
bf269551 | 6278 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6279 | if (status) |
6280 | goto out; | |
bf269551 | 6281 | status = decode_putfh(xdr); |
1da177e4 LT |
6282 | if (status) |
6283 | goto out; | |
bf269551 | 6284 | status = decode_lock(xdr, res); |
1da177e4 LT |
6285 | out: |
6286 | return status; | |
6287 | } | |
6288 | ||
6289 | /* | |
6290 | * Decode LOCKT response | |
6291 | */ | |
bf269551 CL |
6292 | static int nfs4_xdr_dec_lockt(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6293 | struct nfs_lockt_res *res) | |
1da177e4 | 6294 | { |
1da177e4 LT |
6295 | struct compound_hdr hdr; |
6296 | int status; | |
6297 | ||
bf269551 | 6298 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6299 | if (status) |
6300 | goto out; | |
bf269551 | 6301 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6302 | if (status) |
6303 | goto out; | |
bf269551 | 6304 | status = decode_putfh(xdr); |
1da177e4 LT |
6305 | if (status) |
6306 | goto out; | |
bf269551 | 6307 | status = decode_lockt(xdr, res); |
1da177e4 LT |
6308 | out: |
6309 | return status; | |
6310 | } | |
6311 | ||
6312 | /* | |
6313 | * Decode LOCKU response | |
6314 | */ | |
bf269551 CL |
6315 | static int nfs4_xdr_dec_locku(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6316 | struct nfs_locku_res *res) | |
1da177e4 | 6317 | { |
1da177e4 LT |
6318 | struct compound_hdr hdr; |
6319 | int status; | |
6320 | ||
bf269551 | 6321 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6322 | if (status) |
6323 | goto out; | |
bf269551 | 6324 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6325 | if (status) |
6326 | goto out; | |
bf269551 | 6327 | status = decode_putfh(xdr); |
1da177e4 LT |
6328 | if (status) |
6329 | goto out; | |
bf269551 | 6330 | status = decode_locku(xdr, res); |
1da177e4 LT |
6331 | out: |
6332 | return status; | |
6333 | } | |
6334 | ||
bf269551 CL |
6335 | static int nfs4_xdr_dec_release_lockowner(struct rpc_rqst *rqstp, |
6336 | struct xdr_stream *xdr, void *dummy) | |
d3c7b7cc | 6337 | { |
d3c7b7cc TM |
6338 | struct compound_hdr hdr; |
6339 | int status; | |
6340 | ||
bf269551 | 6341 | status = decode_compound_hdr(xdr, &hdr); |
d3c7b7cc | 6342 | if (!status) |
bf269551 | 6343 | status = decode_release_lockowner(xdr); |
d3c7b7cc TM |
6344 | return status; |
6345 | } | |
6346 | ||
1da177e4 LT |
6347 | /* |
6348 | * Decode READLINK response | |
6349 | */ | |
bf269551 CL |
6350 | static int nfs4_xdr_dec_readlink(struct rpc_rqst *rqstp, |
6351 | struct xdr_stream *xdr, | |
f50c7000 | 6352 | struct nfs4_readlink_res *res) |
1da177e4 | 6353 | { |
1da177e4 LT |
6354 | struct compound_hdr hdr; |
6355 | int status; | |
6356 | ||
bf269551 | 6357 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6358 | if (status) |
6359 | goto out; | |
bf269551 | 6360 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6361 | if (status) |
6362 | goto out; | |
bf269551 | 6363 | status = decode_putfh(xdr); |
1da177e4 LT |
6364 | if (status) |
6365 | goto out; | |
bf269551 | 6366 | status = decode_readlink(xdr, rqstp); |
1da177e4 LT |
6367 | out: |
6368 | return status; | |
6369 | } | |
6370 | ||
6371 | /* | |
6372 | * Decode READDIR response | |
6373 | */ | |
bf269551 CL |
6374 | static int nfs4_xdr_dec_readdir(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6375 | struct nfs4_readdir_res *res) | |
1da177e4 | 6376 | { |
1da177e4 LT |
6377 | struct compound_hdr hdr; |
6378 | int status; | |
6379 | ||
bf269551 | 6380 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6381 | if (status) |
6382 | goto out; | |
bf269551 | 6383 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6384 | if (status) |
6385 | goto out; | |
bf269551 | 6386 | status = decode_putfh(xdr); |
1da177e4 LT |
6387 | if (status) |
6388 | goto out; | |
bf269551 | 6389 | status = decode_readdir(xdr, rqstp, res); |
1da177e4 LT |
6390 | out: |
6391 | return status; | |
6392 | } | |
6393 | ||
6394 | /* | |
6395 | * Decode Read response | |
6396 | */ | |
bf269551 CL |
6397 | static int nfs4_xdr_dec_read(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6398 | struct nfs_readres *res) | |
1da177e4 | 6399 | { |
1da177e4 LT |
6400 | struct compound_hdr hdr; |
6401 | int status; | |
6402 | ||
bf269551 | 6403 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6404 | if (status) |
6405 | goto out; | |
bf269551 | 6406 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6407 | if (status) |
6408 | goto out; | |
bf269551 | 6409 | status = decode_putfh(xdr); |
1da177e4 LT |
6410 | if (status) |
6411 | goto out; | |
bf269551 | 6412 | status = decode_read(xdr, rqstp, res); |
1da177e4 LT |
6413 | if (!status) |
6414 | status = res->count; | |
6415 | out: | |
6416 | return status; | |
6417 | } | |
6418 | ||
6419 | /* | |
6420 | * Decode WRITE response | |
6421 | */ | |
bf269551 CL |
6422 | static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6423 | struct nfs_writeres *res) | |
1da177e4 | 6424 | { |
1da177e4 LT |
6425 | struct compound_hdr hdr; |
6426 | int status; | |
6427 | ||
bf269551 | 6428 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6429 | if (status) |
6430 | goto out; | |
bf269551 | 6431 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6432 | if (status) |
6433 | goto out; | |
bf269551 | 6434 | status = decode_putfh(xdr); |
1da177e4 LT |
6435 | if (status) |
6436 | goto out; | |
bf269551 | 6437 | status = decode_write(xdr, res); |
4f9838c7 TM |
6438 | if (status) |
6439 | goto out; | |
7ffd1064 | 6440 | if (res->fattr) |
6926afd1 | 6441 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6442 | if (!status) |
6443 | status = res->count; | |
6444 | out: | |
6445 | return status; | |
6446 | } | |
6447 | ||
6448 | /* | |
6449 | * Decode COMMIT response | |
6450 | */ | |
bf269551 CL |
6451 | static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6452 | struct nfs_writeres *res) | |
1da177e4 | 6453 | { |
1da177e4 LT |
6454 | struct compound_hdr hdr; |
6455 | int status; | |
6456 | ||
bf269551 | 6457 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6458 | if (status) |
6459 | goto out; | |
bf269551 | 6460 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6461 | if (status) |
6462 | goto out; | |
bf269551 | 6463 | status = decode_putfh(xdr); |
1da177e4 LT |
6464 | if (status) |
6465 | goto out; | |
bf269551 | 6466 | status = decode_commit(xdr, res); |
4f9838c7 TM |
6467 | if (status) |
6468 | goto out; | |
988b6dce | 6469 | if (res->fattr) |
6926afd1 | 6470 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6471 | out: |
6472 | return status; | |
6473 | } | |
6474 | ||
6475 | /* | |
8b173218 | 6476 | * Decode FSINFO response |
1da177e4 | 6477 | */ |
bf269551 | 6478 | static int nfs4_xdr_dec_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, |
3dda5e43 | 6479 | struct nfs4_fsinfo_res *res) |
1da177e4 | 6480 | { |
1da177e4 LT |
6481 | struct compound_hdr hdr; |
6482 | int status; | |
6483 | ||
bf269551 | 6484 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6485 | if (!status) |
bf269551 | 6486 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6487 | if (!status) |
bf269551 | 6488 | status = decode_putfh(xdr); |
1da177e4 | 6489 | if (!status) |
bf269551 | 6490 | status = decode_fsinfo(xdr, res->fsinfo); |
1da177e4 LT |
6491 | return status; |
6492 | } | |
6493 | ||
6494 | /* | |
8b173218 | 6495 | * Decode PATHCONF response |
1da177e4 | 6496 | */ |
bf269551 | 6497 | static int nfs4_xdr_dec_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, |
d45b2989 | 6498 | struct nfs4_pathconf_res *res) |
1da177e4 | 6499 | { |
1da177e4 LT |
6500 | struct compound_hdr hdr; |
6501 | int status; | |
6502 | ||
bf269551 | 6503 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6504 | if (!status) |
bf269551 | 6505 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6506 | if (!status) |
bf269551 | 6507 | status = decode_putfh(xdr); |
1da177e4 | 6508 | if (!status) |
bf269551 | 6509 | status = decode_pathconf(xdr, res->pathconf); |
1da177e4 LT |
6510 | return status; |
6511 | } | |
6512 | ||
6513 | /* | |
8b173218 | 6514 | * Decode STATFS response |
1da177e4 | 6515 | */ |
bf269551 | 6516 | static int nfs4_xdr_dec_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, |
24ad148a | 6517 | struct nfs4_statfs_res *res) |
1da177e4 | 6518 | { |
1da177e4 LT |
6519 | struct compound_hdr hdr; |
6520 | int status; | |
6521 | ||
bf269551 | 6522 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6523 | if (!status) |
bf269551 | 6524 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6525 | if (!status) |
bf269551 | 6526 | status = decode_putfh(xdr); |
1da177e4 | 6527 | if (!status) |
bf269551 | 6528 | status = decode_statfs(xdr, res->fsstat); |
1da177e4 LT |
6529 | return status; |
6530 | } | |
6531 | ||
6532 | /* | |
8b173218 | 6533 | * Decode GETATTR_BITMAP response |
1da177e4 | 6534 | */ |
bf269551 CL |
6535 | static int nfs4_xdr_dec_server_caps(struct rpc_rqst *req, |
6536 | struct xdr_stream *xdr, | |
6537 | struct nfs4_server_caps_res *res) | |
1da177e4 | 6538 | { |
1da177e4 LT |
6539 | struct compound_hdr hdr; |
6540 | int status; | |
6541 | ||
bf269551 | 6542 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6543 | if (status) |
6544 | goto out; | |
bf269551 | 6545 | status = decode_sequence(xdr, &res->seq_res, req); |
9b7b9fcc | 6546 | if (status) |
1da177e4 | 6547 | goto out; |
bf269551 CL |
6548 | status = decode_putfh(xdr); |
6549 | if (status) | |
1da177e4 | 6550 | goto out; |
bf269551 | 6551 | status = decode_server_caps(xdr, res); |
1da177e4 LT |
6552 | out: |
6553 | return status; | |
6554 | } | |
6555 | ||
6556 | /* | |
6557 | * Decode RENEW response | |
6558 | */ | |
bf269551 CL |
6559 | static int nfs4_xdr_dec_renew(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6560 | void *__unused) | |
1da177e4 | 6561 | { |
1da177e4 LT |
6562 | struct compound_hdr hdr; |
6563 | int status; | |
6564 | ||
bf269551 | 6565 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6566 | if (!status) |
bf269551 | 6567 | status = decode_renew(xdr); |
1da177e4 LT |
6568 | return status; |
6569 | } | |
6570 | ||
6571 | /* | |
8b173218 | 6572 | * Decode SETCLIENTID response |
1da177e4 | 6573 | */ |
bf269551 CL |
6574 | static int nfs4_xdr_dec_setclientid(struct rpc_rqst *req, |
6575 | struct xdr_stream *xdr, | |
6576 | struct nfs4_setclientid_res *res) | |
1da177e4 | 6577 | { |
1da177e4 LT |
6578 | struct compound_hdr hdr; |
6579 | int status; | |
6580 | ||
bf269551 | 6581 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6582 | if (!status) |
bf269551 | 6583 | status = decode_setclientid(xdr, res); |
1da177e4 LT |
6584 | return status; |
6585 | } | |
6586 | ||
6587 | /* | |
8b173218 | 6588 | * Decode SETCLIENTID_CONFIRM response |
1da177e4 | 6589 | */ |
bf269551 CL |
6590 | static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst *req, |
6591 | struct xdr_stream *xdr, | |
6592 | struct nfs_fsinfo *fsinfo) | |
1da177e4 | 6593 | { |
1da177e4 LT |
6594 | struct compound_hdr hdr; |
6595 | int status; | |
6596 | ||
bf269551 | 6597 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6598 | if (!status) |
bf269551 | 6599 | status = decode_setclientid_confirm(xdr); |
1da177e4 | 6600 | if (!status) |
bf269551 | 6601 | status = decode_putrootfh(xdr); |
1da177e4 | 6602 | if (!status) |
bf269551 | 6603 | status = decode_fsinfo(xdr, fsinfo); |
1da177e4 LT |
6604 | return status; |
6605 | } | |
6606 | ||
6607 | /* | |
8b173218 | 6608 | * Decode DELEGRETURN response |
1da177e4 | 6609 | */ |
bf269551 CL |
6610 | static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, |
6611 | struct xdr_stream *xdr, | |
6612 | struct nfs4_delegreturnres *res) | |
1da177e4 | 6613 | { |
1da177e4 LT |
6614 | struct compound_hdr hdr; |
6615 | int status; | |
6616 | ||
bf269551 | 6617 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6618 | if (status) |
6619 | goto out; | |
bf269551 | 6620 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6621 | if (status) |
fa178f29 | 6622 | goto out; |
bf269551 | 6623 | status = decode_putfh(xdr); |
fa178f29 TM |
6624 | if (status != 0) |
6625 | goto out; | |
bf269551 | 6626 | status = decode_delegreturn(xdr); |
556ae3bb JL |
6627 | if (status != 0) |
6628 | goto out; | |
6926afd1 | 6629 | decode_getfattr(xdr, res->fattr, res->server); |
fa178f29 | 6630 | out: |
1da177e4 LT |
6631 | return status; |
6632 | } | |
6633 | ||
683b57b4 | 6634 | /* |
8b173218 | 6635 | * Decode FS_LOCATIONS response |
683b57b4 | 6636 | */ |
bf269551 CL |
6637 | static int nfs4_xdr_dec_fs_locations(struct rpc_rqst *req, |
6638 | struct xdr_stream *xdr, | |
22958463 | 6639 | struct nfs4_fs_locations_res *res) |
683b57b4 | 6640 | { |
683b57b4 TM |
6641 | struct compound_hdr hdr; |
6642 | int status; | |
6643 | ||
bf269551 | 6644 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6645 | if (status) |
6646 | goto out; | |
bf269551 | 6647 | status = decode_sequence(xdr, &res->seq_res, req); |
9b7b9fcc | 6648 | if (status) |
683b57b4 | 6649 | goto out; |
bf269551 CL |
6650 | status = decode_putfh(xdr); |
6651 | if (status) | |
683b57b4 | 6652 | goto out; |
bf269551 CL |
6653 | status = decode_lookup(xdr); |
6654 | if (status) | |
683b57b4 | 6655 | goto out; |
bf269551 | 6656 | xdr_enter_page(xdr, PAGE_SIZE); |
8b7e3f49 TM |
6657 | status = decode_getfattr_generic(xdr, &res->fs_locations->fattr, |
6658 | NULL, res->fs_locations, | |
6659 | res->fs_locations->server); | |
683b57b4 TM |
6660 | out: |
6661 | return status; | |
6662 | } | |
6663 | ||
5a5ea0d4 BS |
6664 | /* |
6665 | * Decode SECINFO response | |
6666 | */ | |
6667 | static int nfs4_xdr_dec_secinfo(struct rpc_rqst *rqstp, | |
6668 | struct xdr_stream *xdr, | |
6669 | struct nfs4_secinfo_res *res) | |
6670 | { | |
6671 | struct compound_hdr hdr; | |
6672 | int status; | |
6673 | ||
6674 | status = decode_compound_hdr(xdr, &hdr); | |
6675 | if (status) | |
6676 | goto out; | |
6677 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6678 | if (status) | |
6679 | goto out; | |
6680 | status = decode_putfh(xdr); | |
6681 | if (status) | |
6682 | goto out; | |
6683 | status = decode_secinfo(xdr, res); | |
5a5ea0d4 BS |
6684 | out: |
6685 | return status; | |
6686 | } | |
6687 | ||
99fe60d0 BH |
6688 | #if defined(CONFIG_NFS_V4_1) |
6689 | /* | |
8b173218 | 6690 | * Decode EXCHANGE_ID response |
99fe60d0 | 6691 | */ |
bf269551 CL |
6692 | static int nfs4_xdr_dec_exchange_id(struct rpc_rqst *rqstp, |
6693 | struct xdr_stream *xdr, | |
99fe60d0 BH |
6694 | void *res) |
6695 | { | |
99fe60d0 BH |
6696 | struct compound_hdr hdr; |
6697 | int status; | |
6698 | ||
bf269551 | 6699 | status = decode_compound_hdr(xdr, &hdr); |
99fe60d0 | 6700 | if (!status) |
bf269551 | 6701 | status = decode_exchange_id(xdr, res); |
99fe60d0 BH |
6702 | return status; |
6703 | } | |
2050f0cc | 6704 | |
fc931582 | 6705 | /* |
8b173218 | 6706 | * Decode CREATE_SESSION response |
fc931582 | 6707 | */ |
bf269551 CL |
6708 | static int nfs4_xdr_dec_create_session(struct rpc_rqst *rqstp, |
6709 | struct xdr_stream *xdr, | |
fc931582 AA |
6710 | struct nfs41_create_session_res *res) |
6711 | { | |
fc931582 AA |
6712 | struct compound_hdr hdr; |
6713 | int status; | |
6714 | ||
bf269551 | 6715 | status = decode_compound_hdr(xdr, &hdr); |
fc931582 | 6716 | if (!status) |
bf269551 | 6717 | status = decode_create_session(xdr, res); |
fc931582 AA |
6718 | return status; |
6719 | } | |
6720 | ||
0f3e66c6 | 6721 | /* |
8b173218 | 6722 | * Decode DESTROY_SESSION response |
0f3e66c6 | 6723 | */ |
bf269551 CL |
6724 | static int nfs4_xdr_dec_destroy_session(struct rpc_rqst *rqstp, |
6725 | struct xdr_stream *xdr, | |
6726 | void *res) | |
0f3e66c6 | 6727 | { |
0f3e66c6 AA |
6728 | struct compound_hdr hdr; |
6729 | int status; | |
6730 | ||
bf269551 | 6731 | status = decode_compound_hdr(xdr, &hdr); |
0f3e66c6 | 6732 | if (!status) |
bf269551 | 6733 | status = decode_destroy_session(xdr, res); |
0f3e66c6 AA |
6734 | return status; |
6735 | } | |
6736 | ||
fc01cea9 | 6737 | /* |
8b173218 | 6738 | * Decode SEQUENCE response |
fc01cea9 | 6739 | */ |
bf269551 CL |
6740 | static int nfs4_xdr_dec_sequence(struct rpc_rqst *rqstp, |
6741 | struct xdr_stream *xdr, | |
fc01cea9 AA |
6742 | struct nfs4_sequence_res *res) |
6743 | { | |
fc01cea9 AA |
6744 | struct compound_hdr hdr; |
6745 | int status; | |
6746 | ||
bf269551 | 6747 | status = decode_compound_hdr(xdr, &hdr); |
fc01cea9 | 6748 | if (!status) |
bf269551 | 6749 | status = decode_sequence(xdr, res, rqstp); |
fc01cea9 AA |
6750 | return status; |
6751 | } | |
6752 | ||
2050f0cc | 6753 | /* |
8b173218 | 6754 | * Decode GET_LEASE_TIME response |
2050f0cc | 6755 | */ |
bf269551 CL |
6756 | static int nfs4_xdr_dec_get_lease_time(struct rpc_rqst *rqstp, |
6757 | struct xdr_stream *xdr, | |
2050f0cc AA |
6758 | struct nfs4_get_lease_time_res *res) |
6759 | { | |
2050f0cc AA |
6760 | struct compound_hdr hdr; |
6761 | int status; | |
6762 | ||
bf269551 | 6763 | status = decode_compound_hdr(xdr, &hdr); |
2050f0cc | 6764 | if (!status) |
bf269551 | 6765 | status = decode_sequence(xdr, &res->lr_seq_res, rqstp); |
2050f0cc | 6766 | if (!status) |
bf269551 | 6767 | status = decode_putrootfh(xdr); |
2050f0cc | 6768 | if (!status) |
bf269551 | 6769 | status = decode_fsinfo(xdr, res->lr_fsinfo); |
2050f0cc AA |
6770 | return status; |
6771 | } | |
18019753 RL |
6772 | |
6773 | /* | |
6774 | * Decode RECLAIM_COMPLETE response | |
6775 | */ | |
bf269551 CL |
6776 | static int nfs4_xdr_dec_reclaim_complete(struct rpc_rqst *rqstp, |
6777 | struct xdr_stream *xdr, | |
18019753 RL |
6778 | struct nfs41_reclaim_complete_res *res) |
6779 | { | |
18019753 RL |
6780 | struct compound_hdr hdr; |
6781 | int status; | |
6782 | ||
bf269551 | 6783 | status = decode_compound_hdr(xdr, &hdr); |
18019753 | 6784 | if (!status) |
bf269551 | 6785 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
18019753 | 6786 | if (!status) |
bf269551 | 6787 | status = decode_reclaim_complete(xdr, (void *)NULL); |
18019753 RL |
6788 | return status; |
6789 | } | |
b1f69b75 | 6790 | |
7f11d8d3 AA |
6791 | /* |
6792 | * Decode GETDEVICELIST response | |
6793 | */ | |
6794 | static int nfs4_xdr_dec_getdevicelist(struct rpc_rqst *rqstp, | |
6795 | struct xdr_stream *xdr, | |
6796 | struct nfs4_getdevicelist_res *res) | |
6797 | { | |
6798 | struct compound_hdr hdr; | |
6799 | int status; | |
6800 | ||
6801 | dprintk("encoding getdevicelist!\n"); | |
6802 | ||
6803 | status = decode_compound_hdr(xdr, &hdr); | |
6804 | if (status != 0) | |
6805 | goto out; | |
6806 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6807 | if (status != 0) | |
6808 | goto out; | |
6809 | status = decode_putfh(xdr); | |
6810 | if (status != 0) | |
6811 | goto out; | |
6812 | status = decode_getdevicelist(xdr, res->devlist); | |
6813 | out: | |
6814 | return status; | |
6815 | } | |
6816 | ||
b1f69b75 AA |
6817 | /* |
6818 | * Decode GETDEVINFO response | |
6819 | */ | |
bf269551 CL |
6820 | static int nfs4_xdr_dec_getdeviceinfo(struct rpc_rqst *rqstp, |
6821 | struct xdr_stream *xdr, | |
b1f69b75 AA |
6822 | struct nfs4_getdeviceinfo_res *res) |
6823 | { | |
b1f69b75 AA |
6824 | struct compound_hdr hdr; |
6825 | int status; | |
6826 | ||
bf269551 | 6827 | status = decode_compound_hdr(xdr, &hdr); |
b1f69b75 AA |
6828 | if (status != 0) |
6829 | goto out; | |
bf269551 | 6830 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
b1f69b75 AA |
6831 | if (status != 0) |
6832 | goto out; | |
bf269551 | 6833 | status = decode_getdeviceinfo(xdr, res->pdev); |
b1f69b75 AA |
6834 | out: |
6835 | return status; | |
6836 | } | |
6837 | ||
6838 | /* | |
6839 | * Decode LAYOUTGET response | |
6840 | */ | |
bf269551 CL |
6841 | static int nfs4_xdr_dec_layoutget(struct rpc_rqst *rqstp, |
6842 | struct xdr_stream *xdr, | |
b1f69b75 AA |
6843 | struct nfs4_layoutget_res *res) |
6844 | { | |
b1f69b75 AA |
6845 | struct compound_hdr hdr; |
6846 | int status; | |
6847 | ||
bf269551 | 6848 | status = decode_compound_hdr(xdr, &hdr); |
b1f69b75 AA |
6849 | if (status) |
6850 | goto out; | |
bf269551 | 6851 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
b1f69b75 AA |
6852 | if (status) |
6853 | goto out; | |
bf269551 | 6854 | status = decode_putfh(xdr); |
b1f69b75 AA |
6855 | if (status) |
6856 | goto out; | |
bf269551 | 6857 | status = decode_layoutget(xdr, rqstp, res); |
b1f69b75 AA |
6858 | out: |
6859 | return status; | |
6860 | } | |
863a3c6c | 6861 | |
cbe82603 BH |
6862 | /* |
6863 | * Decode LAYOUTRETURN response | |
6864 | */ | |
6865 | static int nfs4_xdr_dec_layoutreturn(struct rpc_rqst *rqstp, | |
6866 | struct xdr_stream *xdr, | |
6867 | struct nfs4_layoutreturn_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_putfh(xdr); | |
6879 | if (status) | |
6880 | goto out; | |
6881 | status = decode_layoutreturn(xdr, res); | |
6882 | out: | |
6883 | return status; | |
6884 | } | |
6885 | ||
863a3c6c AA |
6886 | /* |
6887 | * Decode LAYOUTCOMMIT response | |
6888 | */ | |
6889 | static int nfs4_xdr_dec_layoutcommit(struct rpc_rqst *rqstp, | |
6890 | struct xdr_stream *xdr, | |
6891 | struct nfs4_layoutcommit_res *res) | |
6892 | { | |
6893 | struct compound_hdr hdr; | |
6894 | int status; | |
6895 | ||
6896 | status = decode_compound_hdr(xdr, &hdr); | |
6897 | if (status) | |
6898 | goto out; | |
6899 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6900 | if (status) | |
6901 | goto out; | |
6902 | status = decode_putfh(xdr); | |
6903 | if (status) | |
6904 | goto out; | |
6905 | status = decode_layoutcommit(xdr, rqstp, res); | |
6906 | if (status) | |
6907 | goto out; | |
6926afd1 | 6908 | decode_getfattr(xdr, res->fattr, res->server); |
863a3c6c AA |
6909 | out: |
6910 | return status; | |
6911 | } | |
fca78d6d BS |
6912 | |
6913 | /* | |
6914 | * Decode SECINFO_NO_NAME response | |
6915 | */ | |
6916 | static int nfs4_xdr_dec_secinfo_no_name(struct rpc_rqst *rqstp, | |
6917 | struct xdr_stream *xdr, | |
6918 | struct nfs4_secinfo_res *res) | |
6919 | { | |
6920 | struct compound_hdr hdr; | |
6921 | int status; | |
6922 | ||
6923 | status = decode_compound_hdr(xdr, &hdr); | |
6924 | if (status) | |
6925 | goto out; | |
6926 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6927 | if (status) | |
6928 | goto out; | |
6929 | status = decode_putrootfh(xdr); | |
6930 | if (status) | |
6931 | goto out; | |
6932 | status = decode_secinfo(xdr, res); | |
6933 | out: | |
6934 | return status; | |
6935 | } | |
7d974794 BS |
6936 | |
6937 | /* | |
6938 | * Decode TEST_STATEID response | |
6939 | */ | |
6940 | static int nfs4_xdr_dec_test_stateid(struct rpc_rqst *rqstp, | |
6941 | struct xdr_stream *xdr, | |
6942 | struct nfs41_test_stateid_res *res) | |
6943 | { | |
6944 | struct compound_hdr hdr; | |
6945 | int status; | |
6946 | ||
6947 | status = decode_compound_hdr(xdr, &hdr); | |
6948 | if (status) | |
6949 | goto out; | |
6950 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6951 | if (status) | |
6952 | goto out; | |
6953 | status = decode_test_stateid(xdr, res); | |
6954 | out: | |
6955 | return status; | |
6956 | } | |
9aeda35f BS |
6957 | |
6958 | /* | |
6959 | * Decode FREE_STATEID response | |
6960 | */ | |
6961 | static int nfs4_xdr_dec_free_stateid(struct rpc_rqst *rqstp, | |
6962 | struct xdr_stream *xdr, | |
6963 | struct nfs41_free_stateid_res *res) | |
6964 | { | |
6965 | struct compound_hdr hdr; | |
6966 | int status; | |
6967 | ||
6968 | status = decode_compound_hdr(xdr, &hdr); | |
6969 | if (status) | |
6970 | goto out; | |
6971 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6972 | if (status) | |
6973 | goto out; | |
6974 | status = decode_free_stateid(xdr, res); | |
6975 | out: | |
6976 | return status; | |
6977 | } | |
99fe60d0 BH |
6978 | #endif /* CONFIG_NFS_V4_1 */ |
6979 | ||
573c4e1e CL |
6980 | /** |
6981 | * nfs4_decode_dirent - Decode a single NFSv4 directory entry stored in | |
6982 | * the local page cache. | |
6983 | * @xdr: XDR stream where entry resides | |
6984 | * @entry: buffer to fill in with entry data | |
6985 | * @plus: boolean indicating whether this should be a readdirplus entry | |
6986 | * | |
6987 | * Returns zero if successful, otherwise a negative errno value is | |
6988 | * returned. | |
6989 | * | |
6990 | * This function is not invoked during READDIR reply decoding, but | |
6991 | * rather whenever an application invokes the getdents(2) system call | |
6992 | * on a directory already in our cache. | |
6993 | */ | |
6994 | int nfs4_decode_dirent(struct xdr_stream *xdr, struct nfs_entry *entry, | |
6995 | int plus) | |
1da177e4 | 6996 | { |
dae100c2 | 6997 | uint32_t bitmap[3] = {0}; |
1da177e4 | 6998 | uint32_t len; |
babddc72 BS |
6999 | __be32 *p = xdr_inline_decode(xdr, 4); |
7000 | if (unlikely(!p)) | |
7001 | goto out_overflow; | |
c08e76d0 | 7002 | if (*p == xdr_zero) { |
babddc72 BS |
7003 | p = xdr_inline_decode(xdr, 4); |
7004 | if (unlikely(!p)) | |
7005 | goto out_overflow; | |
c08e76d0 | 7006 | if (*p == xdr_zero) |
573c4e1e | 7007 | return -EAGAIN; |
1da177e4 | 7008 | entry->eof = 1; |
573c4e1e | 7009 | return -EBADCOOKIE; |
1da177e4 LT |
7010 | } |
7011 | ||
babddc72 BS |
7012 | p = xdr_inline_decode(xdr, 12); |
7013 | if (unlikely(!p)) | |
7014 | goto out_overflow; | |
1da177e4 LT |
7015 | entry->prev_cookie = entry->cookie; |
7016 | p = xdr_decode_hyper(p, &entry->cookie); | |
c08e76d0 | 7017 | entry->len = be32_to_cpup(p); |
babddc72 | 7018 | |
9af8c222 | 7019 | p = xdr_inline_decode(xdr, entry->len); |
babddc72 BS |
7020 | if (unlikely(!p)) |
7021 | goto out_overflow; | |
1da177e4 | 7022 | entry->name = (const char *) p; |
1da177e4 LT |
7023 | |
7024 | /* | |
7025 | * In case the server doesn't return an inode number, | |
7026 | * we fake one here. (We don't use inode number 0, | |
7027 | * since glibc seems to choke on it...) | |
7028 | */ | |
7029 | entry->ino = 1; | |
4f082222 | 7030 | entry->fattr->valid = 0; |
1da177e4 | 7031 | |
9af8c222 TM |
7032 | if (decode_attr_bitmap(xdr, bitmap) < 0) |
7033 | goto out_overflow; | |
7034 | ||
7035 | if (decode_attr_length(xdr, &len, &p) < 0) | |
7036 | goto out_overflow; | |
7037 | ||
573c4e1e | 7038 | if (decode_getfattr_attrs(xdr, bitmap, entry->fattr, entry->fh, |
8b7e3f49 | 7039 | NULL, entry->server) < 0) |
9af8c222 | 7040 | goto out_overflow; |
28331a46 TM |
7041 | if (entry->fattr->valid & NFS_ATTR_FATTR_MOUNTED_ON_FILEID) |
7042 | entry->ino = entry->fattr->mounted_on_fileid; | |
7043 | else if (entry->fattr->valid & NFS_ATTR_FATTR_FILEID) | |
9af8c222 TM |
7044 | entry->ino = entry->fattr->fileid; |
7045 | ||
0b26a0bf TM |
7046 | entry->d_type = DT_UNKNOWN; |
7047 | if (entry->fattr->valid & NFS_ATTR_FATTR_TYPE) | |
7048 | entry->d_type = nfs_umode_to_dtype(entry->fattr->mode); | |
7049 | ||
573c4e1e | 7050 | return 0; |
babddc72 BS |
7051 | |
7052 | out_overflow: | |
7053 | print_overflow_msg(__func__, xdr); | |
573c4e1e | 7054 | return -EAGAIN; |
1da177e4 LT |
7055 | } |
7056 | ||
7057 | /* | |
7058 | * We need to translate between nfs status return values and | |
7059 | * the local errno values which may not be the same. | |
7060 | */ | |
7061 | static struct { | |
7062 | int stat; | |
7063 | int errno; | |
7064 | } nfs_errtbl[] = { | |
7065 | { NFS4_OK, 0 }, | |
856dff3d BH |
7066 | { NFS4ERR_PERM, -EPERM }, |
7067 | { NFS4ERR_NOENT, -ENOENT }, | |
7068 | { NFS4ERR_IO, -errno_NFSERR_IO}, | |
7069 | { NFS4ERR_NXIO, -ENXIO }, | |
7070 | { NFS4ERR_ACCESS, -EACCES }, | |
7071 | { NFS4ERR_EXIST, -EEXIST }, | |
7072 | { NFS4ERR_XDEV, -EXDEV }, | |
7073 | { NFS4ERR_NOTDIR, -ENOTDIR }, | |
7074 | { NFS4ERR_ISDIR, -EISDIR }, | |
7075 | { NFS4ERR_INVAL, -EINVAL }, | |
7076 | { NFS4ERR_FBIG, -EFBIG }, | |
7077 | { NFS4ERR_NOSPC, -ENOSPC }, | |
7078 | { NFS4ERR_ROFS, -EROFS }, | |
7079 | { NFS4ERR_MLINK, -EMLINK }, | |
7080 | { NFS4ERR_NAMETOOLONG, -ENAMETOOLONG }, | |
7081 | { NFS4ERR_NOTEMPTY, -ENOTEMPTY }, | |
7082 | { NFS4ERR_DQUOT, -EDQUOT }, | |
7083 | { NFS4ERR_STALE, -ESTALE }, | |
7084 | { NFS4ERR_BADHANDLE, -EBADHANDLE }, | |
856dff3d BH |
7085 | { NFS4ERR_BAD_COOKIE, -EBADCOOKIE }, |
7086 | { NFS4ERR_NOTSUPP, -ENOTSUPP }, | |
7087 | { NFS4ERR_TOOSMALL, -ETOOSMALL }, | |
fdcb4577 | 7088 | { NFS4ERR_SERVERFAULT, -EREMOTEIO }, |
856dff3d BH |
7089 | { NFS4ERR_BADTYPE, -EBADTYPE }, |
7090 | { NFS4ERR_LOCKED, -EAGAIN }, | |
856dff3d BH |
7091 | { NFS4ERR_SYMLINK, -ELOOP }, |
7092 | { NFS4ERR_OP_ILLEGAL, -EOPNOTSUPP }, | |
7093 | { NFS4ERR_DEADLOCK, -EDEADLK }, | |
856dff3d | 7094 | { -1, -EIO } |
1da177e4 LT |
7095 | }; |
7096 | ||
7097 | /* | |
7098 | * Convert an NFS error code to a local one. | |
7099 | * This one is used jointly by NFSv2 and NFSv3. | |
7100 | */ | |
7101 | static int | |
0a8ea437 | 7102 | nfs4_stat_to_errno(int stat) |
1da177e4 LT |
7103 | { |
7104 | int i; | |
7105 | for (i = 0; nfs_errtbl[i].stat != -1; i++) { | |
7106 | if (nfs_errtbl[i].stat == stat) | |
7107 | return nfs_errtbl[i].errno; | |
7108 | } | |
7109 | if (stat <= 10000 || stat > 10100) { | |
7110 | /* The server is looney tunes. */ | |
fdcb4577 | 7111 | return -EREMOTEIO; |
1da177e4 LT |
7112 | } |
7113 | /* If we cannot translate the error, the recovery routines should | |
7114 | * handle it. | |
7115 | * Note: remaining NFSv4 error codes have values > 10000, so should | |
7116 | * not conflict with native Linux error codes. | |
7117 | */ | |
856dff3d | 7118 | return -stat; |
1da177e4 LT |
7119 | } |
7120 | ||
1da177e4 LT |
7121 | #define PROC(proc, argtype, restype) \ |
7122 | [NFSPROC4_CLNT_##proc] = { \ | |
7123 | .p_proc = NFSPROC4_COMPOUND, \ | |
9f06c719 | 7124 | .p_encode = (kxdreproc_t)nfs4_xdr_##argtype, \ |
bf269551 | 7125 | .p_decode = (kxdrdproc_t)nfs4_xdr_##restype, \ |
2bea90d4 CL |
7126 | .p_arglen = NFS4_##argtype##_sz, \ |
7127 | .p_replen = NFS4_##restype##_sz, \ | |
cc0175c1 CL |
7128 | .p_statidx = NFSPROC4_CLNT_##proc, \ |
7129 | .p_name = #proc, \ | |
05d564fe | 7130 | } |
1da177e4 LT |
7131 | |
7132 | struct rpc_procinfo nfs4_procedures[] = { | |
7d93bd71 CL |
7133 | PROC(READ, enc_read, dec_read), |
7134 | PROC(WRITE, enc_write, dec_write), | |
7135 | PROC(COMMIT, enc_commit, dec_commit), | |
7136 | PROC(OPEN, enc_open, dec_open), | |
7137 | PROC(OPEN_CONFIRM, enc_open_confirm, dec_open_confirm), | |
7138 | PROC(OPEN_NOATTR, enc_open_noattr, dec_open_noattr), | |
7139 | PROC(OPEN_DOWNGRADE, enc_open_downgrade, dec_open_downgrade), | |
7140 | PROC(CLOSE, enc_close, dec_close), | |
7141 | PROC(SETATTR, enc_setattr, dec_setattr), | |
7142 | PROC(FSINFO, enc_fsinfo, dec_fsinfo), | |
7143 | PROC(RENEW, enc_renew, dec_renew), | |
7144 | PROC(SETCLIENTID, enc_setclientid, dec_setclientid), | |
7145 | PROC(SETCLIENTID_CONFIRM, enc_setclientid_confirm, dec_setclientid_confirm), | |
7146 | PROC(LOCK, enc_lock, dec_lock), | |
7147 | PROC(LOCKT, enc_lockt, dec_lockt), | |
7148 | PROC(LOCKU, enc_locku, dec_locku), | |
7149 | PROC(ACCESS, enc_access, dec_access), | |
7150 | PROC(GETATTR, enc_getattr, dec_getattr), | |
7151 | PROC(LOOKUP, enc_lookup, dec_lookup), | |
7152 | PROC(LOOKUP_ROOT, enc_lookup_root, dec_lookup_root), | |
7153 | PROC(REMOVE, enc_remove, dec_remove), | |
7154 | PROC(RENAME, enc_rename, dec_rename), | |
7155 | PROC(LINK, enc_link, dec_link), | |
7156 | PROC(SYMLINK, enc_symlink, dec_symlink), | |
7157 | PROC(CREATE, enc_create, dec_create), | |
7158 | PROC(PATHCONF, enc_pathconf, dec_pathconf), | |
7159 | PROC(STATFS, enc_statfs, dec_statfs), | |
7160 | PROC(READLINK, enc_readlink, dec_readlink), | |
7161 | PROC(READDIR, enc_readdir, dec_readdir), | |
7162 | PROC(SERVER_CAPS, enc_server_caps, dec_server_caps), | |
7163 | PROC(DELEGRETURN, enc_delegreturn, dec_delegreturn), | |
7164 | PROC(GETACL, enc_getacl, dec_getacl), | |
7165 | PROC(SETACL, enc_setacl, dec_setacl), | |
7166 | PROC(FS_LOCATIONS, enc_fs_locations, dec_fs_locations), | |
7167 | PROC(RELEASE_LOCKOWNER, enc_release_lockowner, dec_release_lockowner), | |
5a5ea0d4 | 7168 | PROC(SECINFO, enc_secinfo, dec_secinfo), |
99fe60d0 | 7169 | #if defined(CONFIG_NFS_V4_1) |
7d93bd71 CL |
7170 | PROC(EXCHANGE_ID, enc_exchange_id, dec_exchange_id), |
7171 | PROC(CREATE_SESSION, enc_create_session, dec_create_session), | |
7172 | PROC(DESTROY_SESSION, enc_destroy_session, dec_destroy_session), | |
7173 | PROC(SEQUENCE, enc_sequence, dec_sequence), | |
7174 | PROC(GET_LEASE_TIME, enc_get_lease_time, dec_get_lease_time), | |
7175 | PROC(RECLAIM_COMPLETE, enc_reclaim_complete, dec_reclaim_complete), | |
7176 | PROC(GETDEVICEINFO, enc_getdeviceinfo, dec_getdeviceinfo), | |
7177 | PROC(LAYOUTGET, enc_layoutget, dec_layoutget), | |
863a3c6c | 7178 | PROC(LAYOUTCOMMIT, enc_layoutcommit, dec_layoutcommit), |
cbe82603 | 7179 | PROC(LAYOUTRETURN, enc_layoutreturn, dec_layoutreturn), |
fca78d6d | 7180 | PROC(SECINFO_NO_NAME, enc_secinfo_no_name, dec_secinfo_no_name), |
7d974794 | 7181 | PROC(TEST_STATEID, enc_test_stateid, dec_test_stateid), |
9aeda35f | 7182 | PROC(FREE_STATEID, enc_free_stateid, dec_free_stateid), |
7f11d8d3 | 7183 | PROC(GETDEVICELIST, enc_getdevicelist, dec_getdevicelist), |
99fe60d0 | 7184 | #endif /* CONFIG_NFS_V4_1 */ |
1da177e4 LT |
7185 | }; |
7186 | ||
a613fa16 | 7187 | const struct rpc_version nfs_version4 = { |
1da177e4 | 7188 | .number = 4, |
e8c96f8c | 7189 | .nrprocs = ARRAY_SIZE(nfs4_procedures), |
1da177e4 LT |
7190 | .procs = nfs4_procedures |
7191 | }; | |
7192 | ||
7193 | /* | |
7194 | * Local variables: | |
7195 | * c-basic-offset: 8 | |
7196 | * End: | |
7197 | */ |