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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> | |
41 | #include <linux/slab.h> | |
42 | #include <linux/utsname.h> | |
43 | #include <linux/errno.h> | |
44 | #include <linux/string.h> | |
45 | #include <linux/in.h> | |
46 | #include <linux/pagemap.h> | |
47 | #include <linux/proc_fs.h> | |
48 | #include <linux/kdev_t.h> | |
49 | #include <linux/sunrpc/clnt.h> | |
50 | #include <linux/nfs.h> | |
51 | #include <linux/nfs4.h> | |
52 | #include <linux/nfs_fs.h> | |
53 | #include <linux/nfs_idmap.h> | |
4ce79717 | 54 | #include "nfs4_fs.h" |
1da177e4 LT |
55 | |
56 | #define NFSDBG_FACILITY NFSDBG_XDR | |
57 | ||
58 | /* Mapping from NFS error code to "errno" error code. */ | |
59 | #define errno_NFSERR_IO EIO | |
60 | ||
0a8ea437 | 61 | static int nfs4_stat_to_errno(int); |
1da177e4 LT |
62 | |
63 | /* NFSv4 COMPOUND tags are only wanted for debugging purposes */ | |
64 | #ifdef DEBUG | |
65 | #define NFS4_MAXTAGLEN 20 | |
66 | #else | |
67 | #define NFS4_MAXTAGLEN 0 | |
68 | #endif | |
69 | ||
6c0195a4 | 70 | /* lock,open owner id: |
9f958ab8 | 71 | * we currently use size 2 (u64) out of (NFS4_OPAQUE_LIMIT >> 2) |
1da177e4 | 72 | */ |
9f958ab8 TM |
73 | #define open_owner_id_maxsz (1 + 4) |
74 | #define lock_owner_id_maxsz (1 + 4) | |
9104a55d | 75 | #define decode_lockowner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) |
1da177e4 LT |
76 | #define compound_encode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2)) |
77 | #define compound_decode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2)) | |
78 | #define op_encode_hdr_maxsz (1) | |
79 | #define op_decode_hdr_maxsz (2) | |
9104a55d TM |
80 | #define encode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE)) |
81 | #define decode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE)) | |
82 | #define encode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE)) | |
83 | #define decode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE)) | |
1da177e4 LT |
84 | #define encode_putfh_maxsz (op_encode_hdr_maxsz + 1 + \ |
85 | (NFS4_FHSIZE >> 2)) | |
86 | #define decode_putfh_maxsz (op_decode_hdr_maxsz) | |
87 | #define encode_putrootfh_maxsz (op_encode_hdr_maxsz) | |
88 | #define decode_putrootfh_maxsz (op_decode_hdr_maxsz) | |
89 | #define encode_getfh_maxsz (op_encode_hdr_maxsz) | |
90 | #define decode_getfh_maxsz (op_decode_hdr_maxsz + 1 + \ | |
91 | ((3+NFS4_FHSIZE) >> 2)) | |
96928206 BF |
92 | #define nfs4_fattr_bitmap_maxsz 3 |
93 | #define encode_getattr_maxsz (op_encode_hdr_maxsz + nfs4_fattr_bitmap_maxsz) | |
1da177e4 LT |
94 | #define nfs4_name_maxsz (1 + ((3 + NFS4_MAXNAMLEN) >> 2)) |
95 | #define nfs4_path_maxsz (1 + ((3 + NFS4_MAXPATHLEN) >> 2)) | |
bd625ba8 TM |
96 | #define nfs4_owner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) |
97 | #define nfs4_group_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) | |
96928206 BF |
98 | /* This is based on getfattr, which uses the most attributes: */ |
99 | #define nfs4_fattr_value_maxsz (1 + (1 + 2 + 2 + 4 + 2 + 1 + 1 + 2 + 2 + \ | |
bd625ba8 | 100 | 3 + 3 + 3 + nfs4_owner_maxsz + nfs4_group_maxsz)) |
96928206 BF |
101 | #define nfs4_fattr_maxsz (nfs4_fattr_bitmap_maxsz + \ |
102 | nfs4_fattr_value_maxsz) | |
103 | #define decode_getattr_maxsz (op_decode_hdr_maxsz + nfs4_fattr_maxsz) | |
9104a55d TM |
104 | #define encode_attrs_maxsz (nfs4_fattr_bitmap_maxsz + \ |
105 | 1 + 2 + 1 + \ | |
106 | nfs4_owner_maxsz + \ | |
107 | nfs4_group_maxsz + \ | |
108 | 4 + 4) | |
1da177e4 LT |
109 | #define encode_savefh_maxsz (op_encode_hdr_maxsz) |
110 | #define decode_savefh_maxsz (op_decode_hdr_maxsz) | |
56ae19f3 TM |
111 | #define encode_restorefh_maxsz (op_encode_hdr_maxsz) |
112 | #define decode_restorefh_maxsz (op_decode_hdr_maxsz) | |
2f42b5d0 | 113 | #define encode_fsinfo_maxsz (encode_getattr_maxsz) |
1da177e4 LT |
114 | #define decode_fsinfo_maxsz (op_decode_hdr_maxsz + 11) |
115 | #define encode_renew_maxsz (op_encode_hdr_maxsz + 3) | |
116 | #define decode_renew_maxsz (op_decode_hdr_maxsz) | |
117 | #define encode_setclientid_maxsz \ | |
118 | (op_encode_hdr_maxsz + \ | |
cc38bac3 CL |
119 | XDR_QUADLEN(NFS4_VERIFIER_SIZE) + \ |
120 | XDR_QUADLEN(NFS4_SETCLIENTID_NAMELEN) + \ | |
121 | 1 /* sc_prog */ + \ | |
122 | XDR_QUADLEN(RPCBIND_MAXNETIDLEN) + \ | |
123 | XDR_QUADLEN(RPCBIND_MAXUADDRLEN) + \ | |
124 | 1) /* sc_cb_ident */ | |
1da177e4 LT |
125 | #define decode_setclientid_maxsz \ |
126 | (op_decode_hdr_maxsz + \ | |
127 | 2 + \ | |
128 | 1024) /* large value for CLID_INUSE */ | |
129 | #define encode_setclientid_confirm_maxsz \ | |
130 | (op_encode_hdr_maxsz + \ | |
131 | 3 + (NFS4_VERIFIER_SIZE >> 2)) | |
132 | #define decode_setclientid_confirm_maxsz \ | |
133 | (op_decode_hdr_maxsz) | |
e6889620 TM |
134 | #define encode_lookup_maxsz (op_encode_hdr_maxsz + nfs4_name_maxsz) |
135 | #define decode_lookup_maxsz (op_decode_hdr_maxsz) | |
2cebf828 TM |
136 | #define encode_share_access_maxsz \ |
137 | (2) | |
9104a55d | 138 | #define encode_createmode_maxsz (1 + encode_attrs_maxsz) |
2cebf828 TM |
139 | #define encode_opentype_maxsz (1 + encode_createmode_maxsz) |
140 | #define encode_claim_null_maxsz (1 + nfs4_name_maxsz) | |
141 | #define encode_open_maxsz (op_encode_hdr_maxsz + \ | |
142 | 2 + encode_share_access_maxsz + 2 + \ | |
143 | open_owner_id_maxsz + \ | |
144 | encode_opentype_maxsz + \ | |
145 | encode_claim_null_maxsz) | |
146 | #define decode_ace_maxsz (3 + nfs4_owner_maxsz) | |
9104a55d | 147 | #define decode_delegation_maxsz (1 + decode_stateid_maxsz + 1 + \ |
2cebf828 TM |
148 | decode_ace_maxsz) |
149 | #define decode_change_info_maxsz (5) | |
150 | #define decode_open_maxsz (op_decode_hdr_maxsz + \ | |
9104a55d | 151 | decode_stateid_maxsz + \ |
2cebf828 TM |
152 | decode_change_info_maxsz + 1 + \ |
153 | nfs4_fattr_bitmap_maxsz + \ | |
154 | decode_delegation_maxsz) | |
9104a55d TM |
155 | #define encode_open_confirm_maxsz \ |
156 | (op_encode_hdr_maxsz + \ | |
157 | encode_stateid_maxsz + 1) | |
158 | #define decode_open_confirm_maxsz \ | |
159 | (op_decode_hdr_maxsz + \ | |
160 | decode_stateid_maxsz) | |
161 | #define encode_open_downgrade_maxsz \ | |
162 | (op_encode_hdr_maxsz + \ | |
163 | encode_stateid_maxsz + 1 + \ | |
164 | encode_share_access_maxsz) | |
165 | #define decode_open_downgrade_maxsz \ | |
166 | (op_decode_hdr_maxsz + \ | |
167 | decode_stateid_maxsz) | |
168 | #define encode_close_maxsz (op_encode_hdr_maxsz + \ | |
169 | 1 + encode_stateid_maxsz) | |
170 | #define decode_close_maxsz (op_decode_hdr_maxsz + \ | |
171 | decode_stateid_maxsz) | |
172 | #define encode_setattr_maxsz (op_encode_hdr_maxsz + \ | |
173 | encode_stateid_maxsz + \ | |
174 | encode_attrs_maxsz) | |
175 | #define decode_setattr_maxsz (op_decode_hdr_maxsz + \ | |
176 | nfs4_fattr_bitmap_maxsz) | |
177 | #define encode_read_maxsz (op_encode_hdr_maxsz + \ | |
178 | encode_stateid_maxsz + 3) | |
179 | #define decode_read_maxsz (op_decode_hdr_maxsz + 2) | |
180 | #define encode_readdir_maxsz (op_encode_hdr_maxsz + \ | |
181 | 2 + encode_verifier_maxsz + 5) | |
182 | #define decode_readdir_maxsz (op_decode_hdr_maxsz + \ | |
183 | decode_verifier_maxsz) | |
184 | #define encode_readlink_maxsz (op_encode_hdr_maxsz) | |
185 | #define decode_readlink_maxsz (op_decode_hdr_maxsz + 1) | |
186 | #define encode_write_maxsz (op_encode_hdr_maxsz + \ | |
187 | encode_stateid_maxsz + 4) | |
188 | #define decode_write_maxsz (op_decode_hdr_maxsz + \ | |
189 | 2 + decode_verifier_maxsz) | |
190 | #define encode_commit_maxsz (op_encode_hdr_maxsz + 3) | |
191 | #define decode_commit_maxsz (op_decode_hdr_maxsz + \ | |
192 | decode_verifier_maxsz) | |
1da177e4 LT |
193 | #define encode_remove_maxsz (op_encode_hdr_maxsz + \ |
194 | nfs4_name_maxsz) | |
6ce18391 BH |
195 | #define decode_remove_maxsz (op_decode_hdr_maxsz + \ |
196 | decode_change_info_maxsz) | |
1da177e4 LT |
197 | #define encode_rename_maxsz (op_encode_hdr_maxsz + \ |
198 | 2 * nfs4_name_maxsz) | |
6ce18391 BH |
199 | #define decode_rename_maxsz (op_decode_hdr_maxsz + \ |
200 | decode_change_info_maxsz + \ | |
201 | decode_change_info_maxsz) | |
1da177e4 LT |
202 | #define encode_link_maxsz (op_encode_hdr_maxsz + \ |
203 | nfs4_name_maxsz) | |
6ce18391 | 204 | #define decode_link_maxsz (op_decode_hdr_maxsz + decode_change_info_maxsz) |
9104a55d TM |
205 | #define encode_lock_maxsz (op_encode_hdr_maxsz + \ |
206 | 7 + \ | |
207 | 1 + encode_stateid_maxsz + 8) | |
208 | #define decode_lock_denied_maxsz \ | |
209 | (8 + decode_lockowner_maxsz) | |
210 | #define decode_lock_maxsz (op_decode_hdr_maxsz + \ | |
211 | decode_lock_denied_maxsz) | |
212 | #define encode_lockt_maxsz (op_encode_hdr_maxsz + 12) | |
213 | #define decode_lockt_maxsz (op_decode_hdr_maxsz + \ | |
214 | decode_lock_denied_maxsz) | |
215 | #define encode_locku_maxsz (op_encode_hdr_maxsz + 3 + \ | |
216 | encode_stateid_maxsz + \ | |
217 | 4) | |
218 | #define decode_locku_maxsz (op_decode_hdr_maxsz + \ | |
219 | decode_stateid_maxsz) | |
220 | #define encode_access_maxsz (op_encode_hdr_maxsz + 1) | |
221 | #define decode_access_maxsz (op_decode_hdr_maxsz + 2) | |
1da177e4 LT |
222 | #define encode_symlink_maxsz (op_encode_hdr_maxsz + \ |
223 | 1 + nfs4_name_maxsz + \ | |
94a6d753 | 224 | 1 + \ |
96928206 | 225 | nfs4_fattr_maxsz) |
1da177e4 LT |
226 | #define decode_symlink_maxsz (op_decode_hdr_maxsz + 8) |
227 | #define encode_create_maxsz (op_encode_hdr_maxsz + \ | |
9104a55d TM |
228 | 1 + 2 + nfs4_name_maxsz + \ |
229 | encode_attrs_maxsz) | |
2cebf828 TM |
230 | #define decode_create_maxsz (op_decode_hdr_maxsz + \ |
231 | decode_change_info_maxsz + \ | |
232 | nfs4_fattr_bitmap_maxsz) | |
9104a55d TM |
233 | #define encode_statfs_maxsz (encode_getattr_maxsz) |
234 | #define decode_statfs_maxsz (decode_getattr_maxsz) | |
1da177e4 LT |
235 | #define encode_delegreturn_maxsz (op_encode_hdr_maxsz + 4) |
236 | #define decode_delegreturn_maxsz (op_decode_hdr_maxsz) | |
9104a55d TM |
237 | #define encode_getacl_maxsz (encode_getattr_maxsz) |
238 | #define decode_getacl_maxsz (op_decode_hdr_maxsz + \ | |
239 | nfs4_fattr_bitmap_maxsz + 1) | |
240 | #define encode_setacl_maxsz (op_encode_hdr_maxsz + \ | |
241 | encode_stateid_maxsz + 3) | |
242 | #define decode_setacl_maxsz (decode_setattr_maxsz) | |
e6889620 TM |
243 | #define encode_fs_locations_maxsz \ |
244 | (encode_getattr_maxsz) | |
245 | #define decode_fs_locations_maxsz \ | |
246 | (0) | |
9b7b9fcc AA |
247 | |
248 | #if defined(CONFIG_NFS_V4_1) | |
249 | #define encode_sequence_maxsz 0 /* stub */ | |
250 | #define decode_sequence_maxsz 0 /* stub */ | |
251 | #else /* CONFIG_NFS_V4_1 */ | |
252 | #define encode_sequence_maxsz 0 | |
253 | #define decode_sequence_maxsz 0 | |
254 | #endif /* CONFIG_NFS_V4_1 */ | |
255 | ||
1da177e4 LT |
256 | #define NFS4_enc_compound_sz (1024) /* XXX: large enough? */ |
257 | #define NFS4_dec_compound_sz (1024) /* XXX: large enough? */ | |
258 | #define NFS4_enc_read_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 259 | encode_sequence_maxsz + \ |
1da177e4 | 260 | encode_putfh_maxsz + \ |
9104a55d | 261 | encode_read_maxsz) |
1da177e4 | 262 | #define NFS4_dec_read_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 263 | decode_sequence_maxsz + \ |
1da177e4 | 264 | decode_putfh_maxsz + \ |
9104a55d | 265 | decode_read_maxsz) |
1da177e4 | 266 | #define NFS4_enc_readlink_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 267 | encode_sequence_maxsz + \ |
1da177e4 | 268 | encode_putfh_maxsz + \ |
9104a55d | 269 | encode_readlink_maxsz) |
1da177e4 | 270 | #define NFS4_dec_readlink_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 271 | decode_sequence_maxsz + \ |
1da177e4 | 272 | decode_putfh_maxsz + \ |
9104a55d | 273 | decode_readlink_maxsz) |
1da177e4 | 274 | #define NFS4_enc_readdir_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 275 | encode_sequence_maxsz + \ |
1da177e4 | 276 | encode_putfh_maxsz + \ |
9104a55d | 277 | encode_readdir_maxsz) |
1da177e4 | 278 | #define NFS4_dec_readdir_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 279 | decode_sequence_maxsz + \ |
1da177e4 | 280 | decode_putfh_maxsz + \ |
9104a55d | 281 | decode_readdir_maxsz) |
1da177e4 | 282 | #define NFS4_enc_write_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 283 | encode_sequence_maxsz + \ |
1da177e4 | 284 | encode_putfh_maxsz + \ |
9104a55d | 285 | encode_write_maxsz + \ |
4f9838c7 | 286 | encode_getattr_maxsz) |
1da177e4 | 287 | #define NFS4_dec_write_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 288 | decode_sequence_maxsz + \ |
1da177e4 | 289 | decode_putfh_maxsz + \ |
9104a55d | 290 | decode_write_maxsz + \ |
4f9838c7 | 291 | decode_getattr_maxsz) |
1da177e4 | 292 | #define NFS4_enc_commit_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 293 | encode_sequence_maxsz + \ |
1da177e4 | 294 | encode_putfh_maxsz + \ |
9104a55d | 295 | encode_commit_maxsz + \ |
4f9838c7 | 296 | encode_getattr_maxsz) |
1da177e4 | 297 | #define NFS4_dec_commit_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 298 | decode_sequence_maxsz + \ |
1da177e4 | 299 | decode_putfh_maxsz + \ |
9104a55d | 300 | decode_commit_maxsz + \ |
4f9838c7 | 301 | decode_getattr_maxsz) |
1da177e4 | 302 | #define NFS4_enc_open_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 303 | encode_sequence_maxsz + \ |
2cebf828 TM |
304 | encode_putfh_maxsz + \ |
305 | encode_savefh_maxsz + \ | |
306 | encode_open_maxsz + \ | |
307 | encode_getfh_maxsz + \ | |
308 | encode_getattr_maxsz + \ | |
309 | encode_restorefh_maxsz + \ | |
310 | encode_getattr_maxsz) | |
1da177e4 | 311 | #define NFS4_dec_open_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 312 | decode_sequence_maxsz + \ |
2cebf828 TM |
313 | decode_putfh_maxsz + \ |
314 | decode_savefh_maxsz + \ | |
315 | decode_open_maxsz + \ | |
316 | decode_getfh_maxsz + \ | |
317 | decode_getattr_maxsz + \ | |
318 | decode_restorefh_maxsz + \ | |
319 | decode_getattr_maxsz) | |
9104a55d TM |
320 | #define NFS4_enc_open_confirm_sz \ |
321 | (compound_encode_hdr_maxsz + \ | |
322 | encode_putfh_maxsz + \ | |
323 | encode_open_confirm_maxsz) | |
324 | #define NFS4_dec_open_confirm_sz \ | |
325 | (compound_decode_hdr_maxsz + \ | |
326 | decode_putfh_maxsz + \ | |
327 | decode_open_confirm_maxsz) | |
1da177e4 | 328 | #define NFS4_enc_open_noattr_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 329 | encode_sequence_maxsz + \ |
1da177e4 | 330 | encode_putfh_maxsz + \ |
2cebf828 TM |
331 | encode_open_maxsz + \ |
332 | encode_getattr_maxsz) | |
1da177e4 | 333 | #define NFS4_dec_open_noattr_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 334 | decode_sequence_maxsz + \ |
1da177e4 | 335 | decode_putfh_maxsz + \ |
2cebf828 TM |
336 | decode_open_maxsz + \ |
337 | decode_getattr_maxsz) | |
1da177e4 LT |
338 | #define NFS4_enc_open_downgrade_sz \ |
339 | (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 340 | encode_sequence_maxsz + \ |
9104a55d TM |
341 | encode_putfh_maxsz + \ |
342 | encode_open_downgrade_maxsz + \ | |
343 | encode_getattr_maxsz) | |
1da177e4 LT |
344 | #define NFS4_dec_open_downgrade_sz \ |
345 | (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 346 | decode_sequence_maxsz + \ |
9104a55d TM |
347 | decode_putfh_maxsz + \ |
348 | decode_open_downgrade_maxsz + \ | |
349 | decode_getattr_maxsz) | |
350 | #define NFS4_enc_close_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 351 | encode_sequence_maxsz + \ |
9104a55d TM |
352 | encode_putfh_maxsz + \ |
353 | encode_close_maxsz + \ | |
354 | encode_getattr_maxsz) | |
355 | #define NFS4_dec_close_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 356 | decode_sequence_maxsz + \ |
9104a55d TM |
357 | decode_putfh_maxsz + \ |
358 | decode_close_maxsz + \ | |
359 | decode_getattr_maxsz) | |
360 | #define NFS4_enc_setattr_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 361 | encode_sequence_maxsz + \ |
9104a55d TM |
362 | encode_putfh_maxsz + \ |
363 | encode_setattr_maxsz + \ | |
364 | encode_getattr_maxsz) | |
365 | #define NFS4_dec_setattr_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 366 | decode_sequence_maxsz + \ |
9104a55d TM |
367 | decode_putfh_maxsz + \ |
368 | decode_setattr_maxsz + \ | |
369 | decode_getattr_maxsz) | |
1da177e4 | 370 | #define NFS4_enc_fsinfo_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 371 | encode_sequence_maxsz + \ |
1da177e4 LT |
372 | encode_putfh_maxsz + \ |
373 | encode_fsinfo_maxsz) | |
374 | #define NFS4_dec_fsinfo_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 375 | decode_sequence_maxsz + \ |
1da177e4 LT |
376 | decode_putfh_maxsz + \ |
377 | decode_fsinfo_maxsz) | |
378 | #define NFS4_enc_renew_sz (compound_encode_hdr_maxsz + \ | |
379 | encode_renew_maxsz) | |
380 | #define NFS4_dec_renew_sz (compound_decode_hdr_maxsz + \ | |
381 | decode_renew_maxsz) | |
382 | #define NFS4_enc_setclientid_sz (compound_encode_hdr_maxsz + \ | |
383 | encode_setclientid_maxsz) | |
384 | #define NFS4_dec_setclientid_sz (compound_decode_hdr_maxsz + \ | |
385 | decode_setclientid_maxsz) | |
386 | #define NFS4_enc_setclientid_confirm_sz \ | |
387 | (compound_encode_hdr_maxsz + \ | |
388 | encode_setclientid_confirm_maxsz + \ | |
389 | encode_putrootfh_maxsz + \ | |
390 | encode_fsinfo_maxsz) | |
391 | #define NFS4_dec_setclientid_confirm_sz \ | |
392 | (compound_decode_hdr_maxsz + \ | |
393 | decode_setclientid_confirm_maxsz + \ | |
394 | decode_putrootfh_maxsz + \ | |
395 | decode_fsinfo_maxsz) | |
396 | #define NFS4_enc_lock_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 397 | encode_sequence_maxsz + \ |
1da177e4 | 398 | encode_putfh_maxsz + \ |
9104a55d | 399 | encode_lock_maxsz) |
1da177e4 | 400 | #define NFS4_dec_lock_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 401 | decode_sequence_maxsz + \ |
1da177e4 | 402 | decode_putfh_maxsz + \ |
9104a55d | 403 | decode_lock_maxsz) |
1da177e4 | 404 | #define NFS4_enc_lockt_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 405 | encode_sequence_maxsz + \ |
1da177e4 | 406 | encode_putfh_maxsz + \ |
9104a55d TM |
407 | encode_lockt_maxsz) |
408 | #define NFS4_dec_lockt_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 409 | decode_sequence_maxsz + \ |
9104a55d TM |
410 | decode_putfh_maxsz + \ |
411 | decode_lockt_maxsz) | |
1da177e4 | 412 | #define NFS4_enc_locku_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 413 | encode_sequence_maxsz + \ |
1da177e4 | 414 | encode_putfh_maxsz + \ |
9104a55d | 415 | encode_locku_maxsz) |
1da177e4 | 416 | #define NFS4_dec_locku_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 417 | decode_sequence_maxsz + \ |
1da177e4 | 418 | decode_putfh_maxsz + \ |
9104a55d | 419 | decode_locku_maxsz) |
1da177e4 | 420 | #define NFS4_enc_access_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 421 | encode_sequence_maxsz + \ |
1da177e4 | 422 | encode_putfh_maxsz + \ |
76b32999 TM |
423 | encode_access_maxsz + \ |
424 | encode_getattr_maxsz) | |
1da177e4 | 425 | #define NFS4_dec_access_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 426 | decode_sequence_maxsz + \ |
1da177e4 | 427 | decode_putfh_maxsz + \ |
76b32999 TM |
428 | decode_access_maxsz + \ |
429 | decode_getattr_maxsz) | |
1da177e4 | 430 | #define NFS4_enc_getattr_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 431 | encode_sequence_maxsz + \ |
1da177e4 LT |
432 | encode_putfh_maxsz + \ |
433 | encode_getattr_maxsz) | |
434 | #define NFS4_dec_getattr_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 435 | decode_sequence_maxsz + \ |
1da177e4 LT |
436 | decode_putfh_maxsz + \ |
437 | decode_getattr_maxsz) | |
438 | #define NFS4_enc_lookup_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 439 | encode_sequence_maxsz + \ |
1da177e4 LT |
440 | encode_putfh_maxsz + \ |
441 | encode_lookup_maxsz + \ | |
442 | encode_getattr_maxsz + \ | |
443 | encode_getfh_maxsz) | |
444 | #define NFS4_dec_lookup_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 445 | decode_sequence_maxsz + \ |
1da177e4 | 446 | decode_putfh_maxsz + \ |
e6889620 | 447 | decode_lookup_maxsz + \ |
1da177e4 LT |
448 | decode_getattr_maxsz + \ |
449 | decode_getfh_maxsz) | |
450 | #define NFS4_enc_lookup_root_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 451 | encode_sequence_maxsz + \ |
1da177e4 LT |
452 | encode_putrootfh_maxsz + \ |
453 | encode_getattr_maxsz + \ | |
454 | encode_getfh_maxsz) | |
455 | #define NFS4_dec_lookup_root_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 456 | decode_sequence_maxsz + \ |
1da177e4 LT |
457 | decode_putrootfh_maxsz + \ |
458 | decode_getattr_maxsz + \ | |
459 | decode_getfh_maxsz) | |
460 | #define NFS4_enc_remove_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 461 | encode_sequence_maxsz + \ |
1da177e4 | 462 | encode_putfh_maxsz + \ |
16e42959 TM |
463 | encode_remove_maxsz + \ |
464 | encode_getattr_maxsz) | |
1da177e4 | 465 | #define NFS4_dec_remove_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 466 | decode_sequence_maxsz + \ |
1da177e4 | 467 | decode_putfh_maxsz + \ |
6ce18391 | 468 | decode_remove_maxsz + \ |
16e42959 | 469 | decode_getattr_maxsz) |
1da177e4 | 470 | #define NFS4_enc_rename_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 471 | encode_sequence_maxsz + \ |
1da177e4 LT |
472 | encode_putfh_maxsz + \ |
473 | encode_savefh_maxsz + \ | |
474 | encode_putfh_maxsz + \ | |
6caf2c82 TM |
475 | encode_rename_maxsz + \ |
476 | encode_getattr_maxsz + \ | |
477 | encode_restorefh_maxsz + \ | |
478 | encode_getattr_maxsz) | |
1da177e4 | 479 | #define NFS4_dec_rename_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 480 | decode_sequence_maxsz + \ |
1da177e4 LT |
481 | decode_putfh_maxsz + \ |
482 | decode_savefh_maxsz + \ | |
483 | decode_putfh_maxsz + \ | |
6caf2c82 TM |
484 | decode_rename_maxsz + \ |
485 | decode_getattr_maxsz + \ | |
486 | decode_restorefh_maxsz + \ | |
487 | decode_getattr_maxsz) | |
1da177e4 | 488 | #define NFS4_enc_link_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 489 | encode_sequence_maxsz + \ |
1da177e4 LT |
490 | encode_putfh_maxsz + \ |
491 | encode_savefh_maxsz + \ | |
492 | encode_putfh_maxsz + \ | |
91ba2eee TM |
493 | encode_link_maxsz + \ |
494 | decode_getattr_maxsz + \ | |
495 | encode_restorefh_maxsz + \ | |
496 | decode_getattr_maxsz) | |
1da177e4 | 497 | #define NFS4_dec_link_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 498 | decode_sequence_maxsz + \ |
1da177e4 LT |
499 | decode_putfh_maxsz + \ |
500 | decode_savefh_maxsz + \ | |
501 | decode_putfh_maxsz + \ | |
91ba2eee TM |
502 | decode_link_maxsz + \ |
503 | decode_getattr_maxsz + \ | |
504 | decode_restorefh_maxsz + \ | |
505 | decode_getattr_maxsz) | |
1da177e4 | 506 | #define NFS4_enc_symlink_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 507 | encode_sequence_maxsz + \ |
1da177e4 LT |
508 | encode_putfh_maxsz + \ |
509 | encode_symlink_maxsz + \ | |
510 | encode_getattr_maxsz + \ | |
511 | encode_getfh_maxsz) | |
512 | #define NFS4_dec_symlink_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 513 | decode_sequence_maxsz + \ |
1da177e4 LT |
514 | decode_putfh_maxsz + \ |
515 | decode_symlink_maxsz + \ | |
516 | decode_getattr_maxsz + \ | |
517 | decode_getfh_maxsz) | |
518 | #define NFS4_enc_create_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 519 | encode_sequence_maxsz + \ |
1da177e4 | 520 | encode_putfh_maxsz + \ |
56ae19f3 | 521 | encode_savefh_maxsz + \ |
1da177e4 | 522 | encode_create_maxsz + \ |
56ae19f3 | 523 | encode_getfh_maxsz + \ |
1da177e4 | 524 | encode_getattr_maxsz + \ |
56ae19f3 TM |
525 | encode_restorefh_maxsz + \ |
526 | encode_getattr_maxsz) | |
1da177e4 | 527 | #define NFS4_dec_create_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 528 | decode_sequence_maxsz + \ |
1da177e4 | 529 | decode_putfh_maxsz + \ |
56ae19f3 | 530 | decode_savefh_maxsz + \ |
1da177e4 | 531 | decode_create_maxsz + \ |
56ae19f3 | 532 | decode_getfh_maxsz + \ |
1da177e4 | 533 | decode_getattr_maxsz + \ |
56ae19f3 TM |
534 | decode_restorefh_maxsz + \ |
535 | decode_getattr_maxsz) | |
1da177e4 | 536 | #define NFS4_enc_pathconf_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 537 | encode_sequence_maxsz + \ |
1da177e4 LT |
538 | encode_putfh_maxsz + \ |
539 | encode_getattr_maxsz) | |
540 | #define NFS4_dec_pathconf_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 541 | decode_sequence_maxsz + \ |
1da177e4 LT |
542 | decode_putfh_maxsz + \ |
543 | decode_getattr_maxsz) | |
544 | #define NFS4_enc_statfs_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 545 | encode_sequence_maxsz + \ |
1da177e4 | 546 | encode_putfh_maxsz + \ |
9104a55d | 547 | encode_statfs_maxsz) |
1da177e4 | 548 | #define NFS4_dec_statfs_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 549 | decode_sequence_maxsz + \ |
1da177e4 | 550 | decode_putfh_maxsz + \ |
9104a55d | 551 | decode_statfs_maxsz) |
1da177e4 | 552 | #define NFS4_enc_server_caps_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 553 | encode_sequence_maxsz + \ |
ab91f264 | 554 | encode_putfh_maxsz + \ |
1da177e4 LT |
555 | encode_getattr_maxsz) |
556 | #define NFS4_dec_server_caps_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 557 | decode_sequence_maxsz + \ |
ab91f264 | 558 | decode_putfh_maxsz + \ |
1da177e4 LT |
559 | decode_getattr_maxsz) |
560 | #define NFS4_enc_delegreturn_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 561 | encode_sequence_maxsz + \ |
1da177e4 | 562 | encode_putfh_maxsz + \ |
fa178f29 TM |
563 | encode_delegreturn_maxsz + \ |
564 | encode_getattr_maxsz) | |
1da177e4 | 565 | #define NFS4_dec_delegreturn_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 566 | decode_sequence_maxsz + \ |
fa178f29 TM |
567 | decode_delegreturn_maxsz + \ |
568 | decode_getattr_maxsz) | |
029d105e | 569 | #define NFS4_enc_getacl_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 570 | encode_sequence_maxsz + \ |
029d105e | 571 | encode_putfh_maxsz + \ |
9104a55d | 572 | encode_getacl_maxsz) |
029d105e | 573 | #define NFS4_dec_getacl_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 574 | decode_sequence_maxsz + \ |
029d105e | 575 | decode_putfh_maxsz + \ |
9104a55d | 576 | decode_getacl_maxsz) |
23ec6965 | 577 | #define NFS4_enc_setacl_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 578 | encode_sequence_maxsz + \ |
23ec6965 | 579 | encode_putfh_maxsz + \ |
9104a55d | 580 | encode_setacl_maxsz) |
23ec6965 | 581 | #define NFS4_dec_setacl_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 582 | decode_sequence_maxsz + \ |
23ec6965 | 583 | decode_putfh_maxsz + \ |
9104a55d | 584 | decode_setacl_maxsz) |
683b57b4 TM |
585 | #define NFS4_enc_fs_locations_sz \ |
586 | (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 587 | encode_sequence_maxsz + \ |
683b57b4 | 588 | encode_putfh_maxsz + \ |
e6889620 TM |
589 | encode_lookup_maxsz + \ |
590 | encode_fs_locations_maxsz) | |
683b57b4 TM |
591 | #define NFS4_dec_fs_locations_sz \ |
592 | (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 593 | decode_sequence_maxsz + \ |
683b57b4 | 594 | decode_putfh_maxsz + \ |
e6889620 TM |
595 | decode_lookup_maxsz + \ |
596 | decode_fs_locations_maxsz) | |
1da177e4 | 597 | |
bca79478 TM |
598 | static const umode_t nfs_type2fmt[] = { |
599 | [NF4BAD] = 0, | |
600 | [NF4REG] = S_IFREG, | |
601 | [NF4DIR] = S_IFDIR, | |
602 | [NF4BLK] = S_IFBLK, | |
603 | [NF4CHR] = S_IFCHR, | |
604 | [NF4LNK] = S_IFLNK, | |
605 | [NF4SOCK] = S_IFSOCK, | |
606 | [NF4FIFO] = S_IFIFO, | |
607 | [NF4ATTRDIR] = 0, | |
608 | [NF4NAMEDATTR] = 0, | |
1da177e4 LT |
609 | }; |
610 | ||
611 | struct compound_hdr { | |
612 | int32_t status; | |
613 | uint32_t nops; | |
d017931c | 614 | __be32 * nops_p; |
1da177e4 LT |
615 | uint32_t taglen; |
616 | char * tag; | |
0c4e8c18 | 617 | uint32_t replen; /* expected reply words */ |
66cc0429 | 618 | u32 minorversion; |
1da177e4 LT |
619 | }; |
620 | ||
621 | /* | |
622 | * START OF "GENERIC" ENCODE ROUTINES. | |
623 | * These may look a little ugly since they are imported from a "generic" | |
624 | * set of XDR encode/decode routines which are intended to be shared by | |
625 | * all of our NFSv4 implementations (OpenBSD, MacOS X...). | |
626 | * | |
627 | * If the pain of reading these is too great, it should be a straightforward | |
628 | * task to translate them into Linux-specific versions which are more | |
629 | * consistent with the style used in NFSv2/v3... | |
630 | */ | |
631 | #define WRITE32(n) *p++ = htonl(n) | |
632 | #define WRITE64(n) do { \ | |
633 | *p++ = htonl((uint32_t)((n) >> 32)); \ | |
634 | *p++ = htonl((uint32_t)(n)); \ | |
635 | } while (0) | |
636 | #define WRITEMEM(ptr,nbytes) do { \ | |
637 | p = xdr_encode_opaque_fixed(p, ptr, nbytes); \ | |
638 | } while (0) | |
639 | ||
640 | #define RESERVE_SPACE(nbytes) do { \ | |
641 | p = xdr_reserve_space(xdr, nbytes); \ | |
1da177e4 LT |
642 | BUG_ON(!p); \ |
643 | } while (0) | |
644 | ||
645 | static void encode_string(struct xdr_stream *xdr, unsigned int len, const char *str) | |
646 | { | |
8687b63a | 647 | __be32 *p; |
1da177e4 LT |
648 | |
649 | p = xdr_reserve_space(xdr, 4 + len); | |
650 | BUG_ON(p == NULL); | |
651 | xdr_encode_opaque(p, str, len); | |
652 | } | |
653 | ||
0c4e8c18 BH |
654 | static void encode_compound_hdr(struct xdr_stream *xdr, |
655 | struct rpc_rqst *req, | |
656 | struct compound_hdr *hdr) | |
1da177e4 | 657 | { |
8687b63a | 658 | __be32 *p; |
0c4e8c18 BH |
659 | struct rpc_auth *auth = req->rq_task->tk_msg.rpc_cred->cr_auth; |
660 | ||
661 | /* initialize running count of expected bytes in reply. | |
662 | * NOTE: the replied tag SHOULD be the same is the one sent, | |
663 | * but this is not required as a MUST for the server to do so. */ | |
664 | hdr->replen = RPC_REPHDRSIZE + auth->au_rslack + 3 + hdr->taglen; | |
1da177e4 LT |
665 | |
666 | dprintk("encode_compound: tag=%.*s\n", (int)hdr->taglen, hdr->tag); | |
667 | BUG_ON(hdr->taglen > NFS4_MAXTAGLEN); | |
668 | RESERVE_SPACE(12+(XDR_QUADLEN(hdr->taglen)<<2)); | |
669 | WRITE32(hdr->taglen); | |
670 | WRITEMEM(hdr->tag, hdr->taglen); | |
66cc0429 | 671 | WRITE32(hdr->minorversion); |
d017931c | 672 | hdr->nops_p = p; |
1da177e4 | 673 | WRITE32(hdr->nops); |
d017931c AA |
674 | } |
675 | ||
676 | static void encode_nops(struct compound_hdr *hdr) | |
677 | { | |
678 | *hdr->nops_p = htonl(hdr->nops); | |
1da177e4 LT |
679 | } |
680 | ||
681 | static void encode_nfs4_verifier(struct xdr_stream *xdr, const nfs4_verifier *verf) | |
682 | { | |
8687b63a | 683 | __be32 *p; |
1da177e4 LT |
684 | |
685 | p = xdr_reserve_space(xdr, NFS4_VERIFIER_SIZE); | |
686 | BUG_ON(p == NULL); | |
687 | xdr_encode_opaque_fixed(p, verf->data, NFS4_VERIFIER_SIZE); | |
688 | } | |
689 | ||
cf8cdbe5 | 690 | static void encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const struct nfs_server *server) |
1da177e4 LT |
691 | { |
692 | char owner_name[IDMAP_NAMESZ]; | |
693 | char owner_group[IDMAP_NAMESZ]; | |
694 | int owner_namelen = 0; | |
695 | int owner_grouplen = 0; | |
8687b63a AV |
696 | __be32 *p; |
697 | __be32 *q; | |
1da177e4 LT |
698 | int len; |
699 | uint32_t bmval0 = 0; | |
700 | uint32_t bmval1 = 0; | |
1da177e4 LT |
701 | |
702 | /* | |
703 | * We reserve enough space to write the entire attribute buffer at once. | |
704 | * In the worst-case, this would be | |
705 | * 12(bitmap) + 4(attrlen) + 8(size) + 4(mode) + 4(atime) + 4(mtime) | |
706 | * = 36 bytes, plus any contribution from variable-length fields | |
23ec6965 | 707 | * such as owner/group. |
1da177e4 LT |
708 | */ |
709 | len = 16; | |
710 | ||
711 | /* Sigh */ | |
712 | if (iap->ia_valid & ATTR_SIZE) | |
713 | len += 8; | |
714 | if (iap->ia_valid & ATTR_MODE) | |
715 | len += 4; | |
716 | if (iap->ia_valid & ATTR_UID) { | |
7539bbab | 717 | owner_namelen = nfs_map_uid_to_name(server->nfs_client, iap->ia_uid, owner_name); |
1da177e4 | 718 | if (owner_namelen < 0) { |
fe82a183 CL |
719 | dprintk("nfs: couldn't resolve uid %d to string\n", |
720 | iap->ia_uid); | |
1da177e4 LT |
721 | /* XXX */ |
722 | strcpy(owner_name, "nobody"); | |
723 | owner_namelen = sizeof("nobody") - 1; | |
724 | /* goto out; */ | |
725 | } | |
726 | len += 4 + (XDR_QUADLEN(owner_namelen) << 2); | |
727 | } | |
728 | if (iap->ia_valid & ATTR_GID) { | |
7539bbab | 729 | owner_grouplen = nfs_map_gid_to_group(server->nfs_client, iap->ia_gid, owner_group); |
1da177e4 | 730 | if (owner_grouplen < 0) { |
fe82a183 CL |
731 | dprintk("nfs: couldn't resolve gid %d to string\n", |
732 | iap->ia_gid); | |
1da177e4 LT |
733 | strcpy(owner_group, "nobody"); |
734 | owner_grouplen = sizeof("nobody") - 1; | |
735 | /* goto out; */ | |
736 | } | |
737 | len += 4 + (XDR_QUADLEN(owner_grouplen) << 2); | |
738 | } | |
739 | if (iap->ia_valid & ATTR_ATIME_SET) | |
740 | len += 16; | |
741 | else if (iap->ia_valid & ATTR_ATIME) | |
742 | len += 4; | |
743 | if (iap->ia_valid & ATTR_MTIME_SET) | |
744 | len += 16; | |
745 | else if (iap->ia_valid & ATTR_MTIME) | |
746 | len += 4; | |
747 | RESERVE_SPACE(len); | |
748 | ||
749 | /* | |
750 | * We write the bitmap length now, but leave the bitmap and the attribute | |
751 | * buffer length to be backfilled at the end of this routine. | |
752 | */ | |
753 | WRITE32(2); | |
754 | q = p; | |
755 | p += 3; | |
756 | ||
757 | if (iap->ia_valid & ATTR_SIZE) { | |
758 | bmval0 |= FATTR4_WORD0_SIZE; | |
759 | WRITE64(iap->ia_size); | |
760 | } | |
761 | if (iap->ia_valid & ATTR_MODE) { | |
762 | bmval1 |= FATTR4_WORD1_MODE; | |
cf3fff54 | 763 | WRITE32(iap->ia_mode & S_IALLUGO); |
1da177e4 LT |
764 | } |
765 | if (iap->ia_valid & ATTR_UID) { | |
766 | bmval1 |= FATTR4_WORD1_OWNER; | |
767 | WRITE32(owner_namelen); | |
768 | WRITEMEM(owner_name, owner_namelen); | |
769 | } | |
770 | if (iap->ia_valid & ATTR_GID) { | |
771 | bmval1 |= FATTR4_WORD1_OWNER_GROUP; | |
772 | WRITE32(owner_grouplen); | |
773 | WRITEMEM(owner_group, owner_grouplen); | |
774 | } | |
775 | if (iap->ia_valid & ATTR_ATIME_SET) { | |
776 | bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET; | |
777 | WRITE32(NFS4_SET_TO_CLIENT_TIME); | |
778 | WRITE32(0); | |
779 | WRITE32(iap->ia_mtime.tv_sec); | |
780 | WRITE32(iap->ia_mtime.tv_nsec); | |
781 | } | |
782 | else if (iap->ia_valid & ATTR_ATIME) { | |
783 | bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET; | |
784 | WRITE32(NFS4_SET_TO_SERVER_TIME); | |
785 | } | |
786 | if (iap->ia_valid & ATTR_MTIME_SET) { | |
787 | bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET; | |
788 | WRITE32(NFS4_SET_TO_CLIENT_TIME); | |
789 | WRITE32(0); | |
790 | WRITE32(iap->ia_mtime.tv_sec); | |
791 | WRITE32(iap->ia_mtime.tv_nsec); | |
792 | } | |
793 | else if (iap->ia_valid & ATTR_MTIME) { | |
794 | bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET; | |
795 | WRITE32(NFS4_SET_TO_SERVER_TIME); | |
796 | } | |
6c0195a4 | 797 | |
1da177e4 LT |
798 | /* |
799 | * Now we backfill the bitmap and the attribute buffer length. | |
800 | */ | |
801 | if (len != ((char *)p - (char *)q) + 4) { | |
fe82a183 | 802 | printk(KERN_ERR "nfs: Attr length error, %u != %Zu\n", |
1da177e4 LT |
803 | len, ((char *)p - (char *)q) + 4); |
804 | BUG(); | |
805 | } | |
806 | len = (char *)p - (char *)q - 12; | |
807 | *q++ = htonl(bmval0); | |
808 | *q++ = htonl(bmval1); | |
809 | *q++ = htonl(len); | |
810 | ||
1da177e4 | 811 | /* out: */ |
1da177e4 LT |
812 | } |
813 | ||
cf8cdbe5 | 814 | static void encode_access(struct xdr_stream *xdr, u32 access, struct compound_hdr *hdr) |
1da177e4 | 815 | { |
8687b63a | 816 | __be32 *p; |
1da177e4 LT |
817 | |
818 | RESERVE_SPACE(8); | |
819 | WRITE32(OP_ACCESS); | |
820 | WRITE32(access); | |
d017931c | 821 | hdr->nops++; |
dadf0c27 | 822 | hdr->replen += decode_access_maxsz; |
1da177e4 LT |
823 | } |
824 | ||
cf8cdbe5 | 825 | static void encode_close(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) |
1da177e4 | 826 | { |
8687b63a | 827 | __be32 *p; |
1da177e4 | 828 | |
8ae20abd | 829 | RESERVE_SPACE(8+NFS4_STATEID_SIZE); |
1da177e4 | 830 | WRITE32(OP_CLOSE); |
cee54fc9 | 831 | WRITE32(arg->seqid->sequence->counter); |
8ae20abd | 832 | WRITEMEM(arg->stateid->data, NFS4_STATEID_SIZE); |
d017931c | 833 | hdr->nops++; |
dadf0c27 | 834 | hdr->replen += decode_close_maxsz; |
1da177e4 LT |
835 | } |
836 | ||
cf8cdbe5 | 837 | static void encode_commit(struct xdr_stream *xdr, const struct nfs_writeargs *args, struct compound_hdr *hdr) |
1da177e4 | 838 | { |
8687b63a | 839 | __be32 *p; |
6c0195a4 | 840 | |
05d564fe AA |
841 | RESERVE_SPACE(16); |
842 | WRITE32(OP_COMMIT); | |
843 | WRITE64(args->offset); | |
844 | WRITE32(args->count); | |
d017931c | 845 | hdr->nops++; |
dadf0c27 | 846 | hdr->replen += decode_commit_maxsz; |
1da177e4 LT |
847 | } |
848 | ||
cf8cdbe5 | 849 | static void encode_create(struct xdr_stream *xdr, const struct nfs4_create_arg *create, struct compound_hdr *hdr) |
1da177e4 | 850 | { |
8687b63a | 851 | __be32 *p; |
6c0195a4 | 852 | |
1da177e4 LT |
853 | RESERVE_SPACE(8); |
854 | WRITE32(OP_CREATE); | |
855 | WRITE32(create->ftype); | |
856 | ||
857 | switch (create->ftype) { | |
858 | case NF4LNK: | |
94a6d753 CL |
859 | RESERVE_SPACE(4); |
860 | WRITE32(create->u.symlink.len); | |
861 | xdr_write_pages(xdr, create->u.symlink.pages, 0, create->u.symlink.len); | |
1da177e4 LT |
862 | break; |
863 | ||
864 | case NF4BLK: case NF4CHR: | |
865 | RESERVE_SPACE(8); | |
866 | WRITE32(create->u.device.specdata1); | |
867 | WRITE32(create->u.device.specdata2); | |
868 | break; | |
869 | ||
870 | default: | |
871 | break; | |
872 | } | |
873 | ||
874 | RESERVE_SPACE(4 + create->name->len); | |
875 | WRITE32(create->name->len); | |
876 | WRITEMEM(create->name->name, create->name->len); | |
d017931c | 877 | hdr->nops++; |
dadf0c27 | 878 | hdr->replen += decode_create_maxsz; |
1da177e4 | 879 | |
cf8cdbe5 | 880 | encode_attrs(xdr, create->attrs, create->server); |
1da177e4 LT |
881 | } |
882 | ||
cf8cdbe5 | 883 | static void encode_getattr_one(struct xdr_stream *xdr, uint32_t bitmap, struct compound_hdr *hdr) |
1da177e4 | 884 | { |
05d564fe | 885 | __be32 *p; |
1da177e4 | 886 | |
05d564fe AA |
887 | RESERVE_SPACE(12); |
888 | WRITE32(OP_GETATTR); | |
889 | WRITE32(1); | |
890 | WRITE32(bitmap); | |
d017931c | 891 | hdr->nops++; |
dadf0c27 | 892 | hdr->replen += decode_getattr_maxsz; |
1da177e4 LT |
893 | } |
894 | ||
cf8cdbe5 | 895 | static void encode_getattr_two(struct xdr_stream *xdr, uint32_t bm0, uint32_t bm1, struct compound_hdr *hdr) |
1da177e4 | 896 | { |
05d564fe | 897 | __be32 *p; |
1da177e4 | 898 | |
05d564fe AA |
899 | RESERVE_SPACE(16); |
900 | WRITE32(OP_GETATTR); | |
901 | WRITE32(2); | |
902 | WRITE32(bm0); | |
903 | WRITE32(bm1); | |
d017931c | 904 | hdr->nops++; |
dadf0c27 | 905 | hdr->replen += decode_getattr_maxsz; |
1da177e4 LT |
906 | } |
907 | ||
cf8cdbe5 | 908 | static void encode_getfattr(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
1da177e4 | 909 | { |
cf8cdbe5 AA |
910 | encode_getattr_two(xdr, bitmask[0] & nfs4_fattr_bitmap[0], |
911 | bitmask[1] & nfs4_fattr_bitmap[1], hdr); | |
1da177e4 LT |
912 | } |
913 | ||
cf8cdbe5 | 914 | static void encode_fsinfo(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
1da177e4 | 915 | { |
cf8cdbe5 AA |
916 | encode_getattr_two(xdr, bitmask[0] & nfs4_fsinfo_bitmap[0], |
917 | bitmask[1] & nfs4_fsinfo_bitmap[1], hdr); | |
1da177e4 LT |
918 | } |
919 | ||
cf8cdbe5 | 920 | static void encode_fs_locations(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
830b8e33 | 921 | { |
cf8cdbe5 AA |
922 | encode_getattr_two(xdr, bitmask[0] & nfs4_fs_locations_bitmap[0], |
923 | bitmask[1] & nfs4_fs_locations_bitmap[1], hdr); | |
830b8e33 MN |
924 | } |
925 | ||
cf8cdbe5 | 926 | static void encode_getfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 927 | { |
8687b63a | 928 | __be32 *p; |
1da177e4 LT |
929 | |
930 | RESERVE_SPACE(4); | |
931 | WRITE32(OP_GETFH); | |
d017931c | 932 | hdr->nops++; |
dadf0c27 | 933 | hdr->replen += decode_getfh_maxsz; |
1da177e4 LT |
934 | } |
935 | ||
cf8cdbe5 | 936 | static void encode_link(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 937 | { |
8687b63a | 938 | __be32 *p; |
1da177e4 LT |
939 | |
940 | RESERVE_SPACE(8 + name->len); | |
941 | WRITE32(OP_LINK); | |
942 | WRITE32(name->len); | |
943 | WRITEMEM(name->name, name->len); | |
d017931c | 944 | hdr->nops++; |
dadf0c27 | 945 | hdr->replen += decode_link_maxsz; |
1da177e4 LT |
946 | } |
947 | ||
911d1aaf TM |
948 | static inline int nfs4_lock_type(struct file_lock *fl, int block) |
949 | { | |
950 | if ((fl->fl_type & (F_RDLCK|F_WRLCK|F_UNLCK)) == F_RDLCK) | |
951 | return block ? NFS4_READW_LT : NFS4_READ_LT; | |
952 | return block ? NFS4_WRITEW_LT : NFS4_WRITE_LT; | |
953 | } | |
954 | ||
955 | static inline uint64_t nfs4_lock_length(struct file_lock *fl) | |
956 | { | |
957 | if (fl->fl_end == OFFSET_MAX) | |
958 | return ~(uint64_t)0; | |
959 | return fl->fl_end - fl->fl_start + 1; | |
960 | } | |
961 | ||
1da177e4 LT |
962 | /* |
963 | * opcode,type,reclaim,offset,length,new_lock_owner = 32 | |
964 | * open_seqid,open_stateid,lock_seqid,lock_owner.clientid, lock_owner.id = 40 | |
965 | */ | |
cf8cdbe5 | 966 | static void encode_lock(struct xdr_stream *xdr, const struct nfs_lock_args *args, struct compound_hdr *hdr) |
1da177e4 | 967 | { |
8687b63a | 968 | __be32 *p; |
1da177e4 LT |
969 | |
970 | RESERVE_SPACE(32); | |
971 | WRITE32(OP_LOCK); | |
911d1aaf TM |
972 | WRITE32(nfs4_lock_type(args->fl, args->block)); |
973 | WRITE32(args->reclaim); | |
974 | WRITE64(args->fl->fl_start); | |
975 | WRITE64(nfs4_lock_length(args->fl)); | |
976 | WRITE32(args->new_lock_owner); | |
977 | if (args->new_lock_owner){ | |
9f958ab8 | 978 | RESERVE_SPACE(4+NFS4_STATEID_SIZE+32); |
911d1aaf | 979 | WRITE32(args->open_seqid->sequence->counter); |
8ae20abd | 980 | WRITEMEM(args->open_stateid->data, NFS4_STATEID_SIZE); |
911d1aaf TM |
981 | WRITE32(args->lock_seqid->sequence->counter); |
982 | WRITE64(args->lock_owner.clientid); | |
9f958ab8 TM |
983 | WRITE32(16); |
984 | WRITEMEM("lock id:", 8); | |
985 | WRITE64(args->lock_owner.id); | |
1da177e4 LT |
986 | } |
987 | else { | |
8ae20abd TM |
988 | RESERVE_SPACE(NFS4_STATEID_SIZE+4); |
989 | WRITEMEM(args->lock_stateid->data, NFS4_STATEID_SIZE); | |
911d1aaf | 990 | WRITE32(args->lock_seqid->sequence->counter); |
1da177e4 | 991 | } |
d017931c | 992 | hdr->nops++; |
dadf0c27 | 993 | hdr->replen += decode_lock_maxsz; |
1da177e4 LT |
994 | } |
995 | ||
cf8cdbe5 | 996 | static void encode_lockt(struct xdr_stream *xdr, const struct nfs_lockt_args *args, struct compound_hdr *hdr) |
1da177e4 | 997 | { |
8687b63a | 998 | __be32 *p; |
1da177e4 | 999 | |
9f958ab8 | 1000 | RESERVE_SPACE(52); |
1da177e4 | 1001 | WRITE32(OP_LOCKT); |
911d1aaf TM |
1002 | WRITE32(nfs4_lock_type(args->fl, 0)); |
1003 | WRITE64(args->fl->fl_start); | |
1004 | WRITE64(nfs4_lock_length(args->fl)); | |
1005 | WRITE64(args->lock_owner.clientid); | |
9f958ab8 TM |
1006 | WRITE32(16); |
1007 | WRITEMEM("lock id:", 8); | |
1008 | WRITE64(args->lock_owner.id); | |
d017931c | 1009 | hdr->nops++; |
dadf0c27 | 1010 | hdr->replen += decode_lockt_maxsz; |
1da177e4 LT |
1011 | } |
1012 | ||
cf8cdbe5 | 1013 | static void encode_locku(struct xdr_stream *xdr, const struct nfs_locku_args *args, struct compound_hdr *hdr) |
1da177e4 | 1014 | { |
8687b63a | 1015 | __be32 *p; |
1da177e4 | 1016 | |
8ae20abd | 1017 | RESERVE_SPACE(12+NFS4_STATEID_SIZE+16); |
1da177e4 | 1018 | WRITE32(OP_LOCKU); |
911d1aaf TM |
1019 | WRITE32(nfs4_lock_type(args->fl, 0)); |
1020 | WRITE32(args->seqid->sequence->counter); | |
8ae20abd | 1021 | WRITEMEM(args->stateid->data, NFS4_STATEID_SIZE); |
911d1aaf TM |
1022 | WRITE64(args->fl->fl_start); |
1023 | WRITE64(nfs4_lock_length(args->fl)); | |
d017931c | 1024 | hdr->nops++; |
dadf0c27 | 1025 | hdr->replen += decode_locku_maxsz; |
1da177e4 LT |
1026 | } |
1027 | ||
cf8cdbe5 | 1028 | static void encode_lookup(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 LT |
1029 | { |
1030 | int len = name->len; | |
8687b63a | 1031 | __be32 *p; |
1da177e4 LT |
1032 | |
1033 | RESERVE_SPACE(8 + len); | |
1034 | WRITE32(OP_LOOKUP); | |
1035 | WRITE32(len); | |
1036 | WRITEMEM(name->name, len); | |
d017931c | 1037 | hdr->nops++; |
dadf0c27 | 1038 | hdr->replen += decode_lookup_maxsz; |
1da177e4 LT |
1039 | } |
1040 | ||
dc0b027d | 1041 | static void encode_share_access(struct xdr_stream *xdr, fmode_t fmode) |
1da177e4 | 1042 | { |
8687b63a | 1043 | __be32 *p; |
1da177e4 LT |
1044 | |
1045 | RESERVE_SPACE(8); | |
dc0b027d | 1046 | switch (fmode & (FMODE_READ|FMODE_WRITE)) { |
05d564fe AA |
1047 | case FMODE_READ: |
1048 | WRITE32(NFS4_SHARE_ACCESS_READ); | |
1049 | break; | |
1050 | case FMODE_WRITE: | |
1051 | WRITE32(NFS4_SHARE_ACCESS_WRITE); | |
1052 | break; | |
1053 | case FMODE_READ|FMODE_WRITE: | |
1054 | WRITE32(NFS4_SHARE_ACCESS_BOTH); | |
1055 | break; | |
1056 | default: | |
1057 | WRITE32(0); | |
1da177e4 LT |
1058 | } |
1059 | WRITE32(0); /* for linux, share_deny = 0 always */ | |
1060 | } | |
1061 | ||
1062 | static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1063 | { | |
8687b63a | 1064 | __be32 *p; |
1da177e4 LT |
1065 | /* |
1066 | * opcode 4, seqid 4, share_access 4, share_deny 4, clientid 8, ownerlen 4, | |
1067 | * owner 4 = 32 | |
1068 | */ | |
1069 | RESERVE_SPACE(8); | |
1070 | WRITE32(OP_OPEN); | |
cee54fc9 | 1071 | WRITE32(arg->seqid->sequence->counter); |
dc0b027d | 1072 | encode_share_access(xdr, arg->fmode); |
9f958ab8 | 1073 | RESERVE_SPACE(28); |
1da177e4 | 1074 | WRITE64(arg->clientid); |
9f958ab8 TM |
1075 | WRITE32(16); |
1076 | WRITEMEM("open id:", 8); | |
1077 | WRITE64(arg->id); | |
1da177e4 LT |
1078 | } |
1079 | ||
1080 | static inline void encode_createmode(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1081 | { | |
8687b63a | 1082 | __be32 *p; |
1da177e4 LT |
1083 | |
1084 | RESERVE_SPACE(4); | |
1085 | switch(arg->open_flags & O_EXCL) { | |
05d564fe AA |
1086 | case 0: |
1087 | WRITE32(NFS4_CREATE_UNCHECKED); | |
1088 | encode_attrs(xdr, arg->u.attrs, arg->server); | |
1089 | break; | |
1090 | default: | |
1091 | WRITE32(NFS4_CREATE_EXCLUSIVE); | |
1092 | encode_nfs4_verifier(xdr, &arg->u.verifier); | |
1da177e4 LT |
1093 | } |
1094 | } | |
1095 | ||
1096 | static void encode_opentype(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1097 | { | |
8687b63a | 1098 | __be32 *p; |
1da177e4 LT |
1099 | |
1100 | RESERVE_SPACE(4); | |
1101 | switch (arg->open_flags & O_CREAT) { | |
05d564fe AA |
1102 | case 0: |
1103 | WRITE32(NFS4_OPEN_NOCREATE); | |
1104 | break; | |
1105 | default: | |
1106 | BUG_ON(arg->claim != NFS4_OPEN_CLAIM_NULL); | |
1107 | WRITE32(NFS4_OPEN_CREATE); | |
1108 | encode_createmode(xdr, arg); | |
1da177e4 LT |
1109 | } |
1110 | } | |
1111 | ||
bd7bf9d5 | 1112 | static inline void encode_delegation_type(struct xdr_stream *xdr, fmode_t delegation_type) |
1da177e4 | 1113 | { |
8687b63a | 1114 | __be32 *p; |
1da177e4 LT |
1115 | |
1116 | RESERVE_SPACE(4); | |
1117 | switch (delegation_type) { | |
05d564fe AA |
1118 | case 0: |
1119 | WRITE32(NFS4_OPEN_DELEGATE_NONE); | |
1120 | break; | |
1121 | case FMODE_READ: | |
1122 | WRITE32(NFS4_OPEN_DELEGATE_READ); | |
1123 | break; | |
1124 | case FMODE_WRITE|FMODE_READ: | |
1125 | WRITE32(NFS4_OPEN_DELEGATE_WRITE); | |
1126 | break; | |
1127 | default: | |
1128 | BUG(); | |
1da177e4 LT |
1129 | } |
1130 | } | |
1131 | ||
1132 | static inline void encode_claim_null(struct xdr_stream *xdr, const struct qstr *name) | |
1133 | { | |
8687b63a | 1134 | __be32 *p; |
1da177e4 LT |
1135 | |
1136 | RESERVE_SPACE(4); | |
1137 | WRITE32(NFS4_OPEN_CLAIM_NULL); | |
1138 | encode_string(xdr, name->len, name->name); | |
1139 | } | |
1140 | ||
bd7bf9d5 | 1141 | static inline void encode_claim_previous(struct xdr_stream *xdr, fmode_t type) |
1da177e4 | 1142 | { |
8687b63a | 1143 | __be32 *p; |
1da177e4 LT |
1144 | |
1145 | RESERVE_SPACE(4); | |
1146 | WRITE32(NFS4_OPEN_CLAIM_PREVIOUS); | |
1147 | encode_delegation_type(xdr, type); | |
1148 | } | |
1149 | ||
1150 | static inline void encode_claim_delegate_cur(struct xdr_stream *xdr, const struct qstr *name, const nfs4_stateid *stateid) | |
1151 | { | |
8687b63a | 1152 | __be32 *p; |
1da177e4 | 1153 | |
8ae20abd | 1154 | RESERVE_SPACE(4+NFS4_STATEID_SIZE); |
1da177e4 | 1155 | WRITE32(NFS4_OPEN_CLAIM_DELEGATE_CUR); |
8ae20abd | 1156 | WRITEMEM(stateid->data, NFS4_STATEID_SIZE); |
1da177e4 LT |
1157 | encode_string(xdr, name->len, name->name); |
1158 | } | |
1159 | ||
cf8cdbe5 | 1160 | static void encode_open(struct xdr_stream *xdr, const struct nfs_openargs *arg, struct compound_hdr *hdr) |
1da177e4 LT |
1161 | { |
1162 | encode_openhdr(xdr, arg); | |
1163 | encode_opentype(xdr, arg); | |
1164 | switch (arg->claim) { | |
05d564fe AA |
1165 | case NFS4_OPEN_CLAIM_NULL: |
1166 | encode_claim_null(xdr, arg->name); | |
1167 | break; | |
1168 | case NFS4_OPEN_CLAIM_PREVIOUS: | |
1169 | encode_claim_previous(xdr, arg->u.delegation_type); | |
1170 | break; | |
1171 | case NFS4_OPEN_CLAIM_DELEGATE_CUR: | |
1172 | encode_claim_delegate_cur(xdr, arg->name, &arg->u.delegation); | |
1173 | break; | |
1174 | default: | |
1175 | BUG(); | |
1da177e4 | 1176 | } |
d017931c | 1177 | hdr->nops++; |
dadf0c27 | 1178 | hdr->replen += decode_open_maxsz; |
1da177e4 LT |
1179 | } |
1180 | ||
cf8cdbe5 | 1181 | static void encode_open_confirm(struct xdr_stream *xdr, const struct nfs_open_confirmargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1182 | { |
8687b63a | 1183 | __be32 *p; |
1da177e4 | 1184 | |
8ae20abd | 1185 | RESERVE_SPACE(4+NFS4_STATEID_SIZE+4); |
1da177e4 | 1186 | WRITE32(OP_OPEN_CONFIRM); |
8ae20abd | 1187 | WRITEMEM(arg->stateid->data, NFS4_STATEID_SIZE); |
cee54fc9 | 1188 | WRITE32(arg->seqid->sequence->counter); |
d017931c | 1189 | hdr->nops++; |
dadf0c27 | 1190 | hdr->replen += decode_open_confirm_maxsz; |
1da177e4 LT |
1191 | } |
1192 | ||
cf8cdbe5 | 1193 | static void encode_open_downgrade(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1194 | { |
8687b63a | 1195 | __be32 *p; |
1da177e4 | 1196 | |
8ae20abd | 1197 | RESERVE_SPACE(4+NFS4_STATEID_SIZE+4); |
1da177e4 | 1198 | WRITE32(OP_OPEN_DOWNGRADE); |
8ae20abd | 1199 | WRITEMEM(arg->stateid->data, NFS4_STATEID_SIZE); |
cee54fc9 | 1200 | WRITE32(arg->seqid->sequence->counter); |
dc0b027d | 1201 | encode_share_access(xdr, arg->fmode); |
d017931c | 1202 | hdr->nops++; |
dadf0c27 | 1203 | hdr->replen += decode_open_downgrade_maxsz; |
1da177e4 LT |
1204 | } |
1205 | ||
cf8cdbe5 | 1206 | static void |
d017931c | 1207 | encode_putfh(struct xdr_stream *xdr, const struct nfs_fh *fh, struct compound_hdr *hdr) |
1da177e4 LT |
1208 | { |
1209 | int len = fh->size; | |
8687b63a | 1210 | __be32 *p; |
1da177e4 LT |
1211 | |
1212 | RESERVE_SPACE(8 + len); | |
1213 | WRITE32(OP_PUTFH); | |
1214 | WRITE32(len); | |
1215 | WRITEMEM(fh->data, len); | |
d017931c | 1216 | hdr->nops++; |
dadf0c27 | 1217 | hdr->replen += decode_putfh_maxsz; |
1da177e4 LT |
1218 | } |
1219 | ||
cf8cdbe5 | 1220 | static void encode_putrootfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1221 | { |
05d564fe | 1222 | __be32 *p; |
6c0195a4 | 1223 | |
05d564fe AA |
1224 | RESERVE_SPACE(4); |
1225 | WRITE32(OP_PUTROOTFH); | |
d017931c | 1226 | hdr->nops++; |
dadf0c27 | 1227 | hdr->replen += decode_putrootfh_maxsz; |
1da177e4 LT |
1228 | } |
1229 | ||
1230 | static void encode_stateid(struct xdr_stream *xdr, const struct nfs_open_context *ctx) | |
1231 | { | |
1da177e4 | 1232 | nfs4_stateid stateid; |
8687b63a | 1233 | __be32 *p; |
1da177e4 | 1234 | |
8ae20abd | 1235 | RESERVE_SPACE(NFS4_STATEID_SIZE); |
1da177e4 LT |
1236 | if (ctx->state != NULL) { |
1237 | nfs4_copy_stateid(&stateid, ctx->state, ctx->lockowner); | |
8ae20abd | 1238 | WRITEMEM(stateid.data, NFS4_STATEID_SIZE); |
1da177e4 | 1239 | } else |
8ae20abd | 1240 | WRITEMEM(zero_stateid.data, NFS4_STATEID_SIZE); |
1da177e4 LT |
1241 | } |
1242 | ||
cf8cdbe5 | 1243 | static void encode_read(struct xdr_stream *xdr, const struct nfs_readargs *args, struct compound_hdr *hdr) |
1da177e4 | 1244 | { |
8687b63a | 1245 | __be32 *p; |
1da177e4 LT |
1246 | |
1247 | RESERVE_SPACE(4); | |
1248 | WRITE32(OP_READ); | |
1249 | ||
1250 | encode_stateid(xdr, args->context); | |
1251 | ||
1252 | RESERVE_SPACE(12); | |
1253 | WRITE64(args->offset); | |
1254 | WRITE32(args->count); | |
d017931c | 1255 | hdr->nops++; |
dadf0c27 | 1256 | hdr->replen += decode_read_maxsz; |
1da177e4 LT |
1257 | } |
1258 | ||
cf8cdbe5 | 1259 | static void encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg *readdir, struct rpc_rqst *req, struct compound_hdr *hdr) |
1da177e4 | 1260 | { |
97d312d0 MN |
1261 | uint32_t attrs[2] = { |
1262 | FATTR4_WORD0_RDATTR_ERROR|FATTR4_WORD0_FILEID, | |
1263 | FATTR4_WORD1_MOUNTED_ON_FILEID, | |
1264 | }; | |
8687b63a | 1265 | __be32 *p; |
1da177e4 | 1266 | |
8ae20abd | 1267 | RESERVE_SPACE(12+NFS4_VERIFIER_SIZE+20); |
1da177e4 LT |
1268 | WRITE32(OP_READDIR); |
1269 | WRITE64(readdir->cookie); | |
8ae20abd | 1270 | WRITEMEM(readdir->verifier.data, NFS4_VERIFIER_SIZE); |
1da177e4 LT |
1271 | WRITE32(readdir->count >> 1); /* We're not doing readdirplus */ |
1272 | WRITE32(readdir->count); | |
1273 | WRITE32(2); | |
97d312d0 MN |
1274 | /* Switch to mounted_on_fileid if the server supports it */ |
1275 | if (readdir->bitmask[1] & FATTR4_WORD1_MOUNTED_ON_FILEID) | |
1276 | attrs[0] &= ~FATTR4_WORD0_FILEID; | |
1277 | else | |
1278 | attrs[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID; | |
1279 | WRITE32(attrs[0] & readdir->bitmask[0]); | |
1280 | WRITE32(attrs[1] & readdir->bitmask[1]); | |
d017931c | 1281 | hdr->nops++; |
dadf0c27 | 1282 | hdr->replen += decode_readdir_maxsz; |
44109241 FI |
1283 | dprintk("%s: cookie = %Lu, verifier = %08x:%08x, bitmap = %08x:%08x\n", |
1284 | __func__, | |
eadf4598 TM |
1285 | (unsigned long long)readdir->cookie, |
1286 | ((u32 *)readdir->verifier.data)[0], | |
1287 | ((u32 *)readdir->verifier.data)[1], | |
1288 | attrs[0] & readdir->bitmask[0], | |
1289 | attrs[1] & readdir->bitmask[1]); | |
1da177e4 LT |
1290 | } |
1291 | ||
cf8cdbe5 | 1292 | static void encode_readlink(struct xdr_stream *xdr, const struct nfs4_readlink *readlink, struct rpc_rqst *req, struct compound_hdr *hdr) |
1da177e4 | 1293 | { |
8687b63a | 1294 | __be32 *p; |
1da177e4 LT |
1295 | |
1296 | RESERVE_SPACE(4); | |
1297 | WRITE32(OP_READLINK); | |
d017931c | 1298 | hdr->nops++; |
dadf0c27 | 1299 | hdr->replen += decode_readlink_maxsz; |
1da177e4 LT |
1300 | } |
1301 | ||
cf8cdbe5 | 1302 | static void encode_remove(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1303 | { |
8687b63a | 1304 | __be32 *p; |
1da177e4 LT |
1305 | |
1306 | RESERVE_SPACE(8 + name->len); | |
1307 | WRITE32(OP_REMOVE); | |
1308 | WRITE32(name->len); | |
1309 | WRITEMEM(name->name, name->len); | |
d017931c | 1310 | hdr->nops++; |
dadf0c27 | 1311 | hdr->replen += decode_remove_maxsz; |
1da177e4 LT |
1312 | } |
1313 | ||
cf8cdbe5 | 1314 | static void encode_rename(struct xdr_stream *xdr, const struct qstr *oldname, const struct qstr *newname, struct compound_hdr *hdr) |
1da177e4 | 1315 | { |
8687b63a | 1316 | __be32 *p; |
1da177e4 LT |
1317 | |
1318 | RESERVE_SPACE(8 + oldname->len); | |
1319 | WRITE32(OP_RENAME); | |
1320 | WRITE32(oldname->len); | |
1321 | WRITEMEM(oldname->name, oldname->len); | |
6c0195a4 | 1322 | |
1da177e4 LT |
1323 | RESERVE_SPACE(4 + newname->len); |
1324 | WRITE32(newname->len); | |
1325 | WRITEMEM(newname->name, newname->len); | |
d017931c | 1326 | hdr->nops++; |
dadf0c27 | 1327 | hdr->replen += decode_rename_maxsz; |
1da177e4 LT |
1328 | } |
1329 | ||
cf8cdbe5 | 1330 | static void encode_renew(struct xdr_stream *xdr, const struct nfs_client *client_stateid, struct compound_hdr *hdr) |
1da177e4 | 1331 | { |
8687b63a | 1332 | __be32 *p; |
1da177e4 LT |
1333 | |
1334 | RESERVE_SPACE(12); | |
1335 | WRITE32(OP_RENEW); | |
1336 | WRITE64(client_stateid->cl_clientid); | |
d017931c | 1337 | hdr->nops++; |
dadf0c27 | 1338 | hdr->replen += decode_renew_maxsz; |
1da177e4 LT |
1339 | } |
1340 | ||
cf8cdbe5 | 1341 | static void |
d017931c | 1342 | encode_restorefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
56ae19f3 | 1343 | { |
8687b63a | 1344 | __be32 *p; |
56ae19f3 TM |
1345 | |
1346 | RESERVE_SPACE(4); | |
1347 | WRITE32(OP_RESTOREFH); | |
d017931c | 1348 | hdr->nops++; |
dadf0c27 | 1349 | hdr->replen += decode_restorefh_maxsz; |
56ae19f3 TM |
1350 | } |
1351 | ||
23ec6965 | 1352 | static int |
d017931c | 1353 | encode_setacl(struct xdr_stream *xdr, struct nfs_setaclargs *arg, struct compound_hdr *hdr) |
23ec6965 | 1354 | { |
8687b63a | 1355 | __be32 *p; |
23ec6965 | 1356 | |
8ae20abd | 1357 | RESERVE_SPACE(4+NFS4_STATEID_SIZE); |
23ec6965 | 1358 | WRITE32(OP_SETATTR); |
8ae20abd | 1359 | WRITEMEM(zero_stateid.data, NFS4_STATEID_SIZE); |
23ec6965 BF |
1360 | RESERVE_SPACE(2*4); |
1361 | WRITE32(1); | |
1362 | WRITE32(FATTR4_WORD0_ACL); | |
1363 | if (arg->acl_len % 4) | |
1364 | return -EINVAL; | |
1365 | RESERVE_SPACE(4); | |
1366 | WRITE32(arg->acl_len); | |
1367 | xdr_write_pages(xdr, arg->acl_pages, arg->acl_pgbase, arg->acl_len); | |
d017931c | 1368 | hdr->nops++; |
dadf0c27 | 1369 | hdr->replen += decode_setacl_maxsz; |
23ec6965 BF |
1370 | return 0; |
1371 | } | |
1372 | ||
cf8cdbe5 | 1373 | static void |
d017931c | 1374 | encode_savefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1375 | { |
8687b63a | 1376 | __be32 *p; |
1da177e4 LT |
1377 | |
1378 | RESERVE_SPACE(4); | |
1379 | WRITE32(OP_SAVEFH); | |
d017931c | 1380 | hdr->nops++; |
dadf0c27 | 1381 | hdr->replen += decode_savefh_maxsz; |
1da177e4 LT |
1382 | } |
1383 | ||
cf8cdbe5 | 1384 | static void encode_setattr(struct xdr_stream *xdr, const struct nfs_setattrargs *arg, const struct nfs_server *server, struct compound_hdr *hdr) |
1da177e4 | 1385 | { |
8687b63a | 1386 | __be32 *p; |
6c0195a4 | 1387 | |
05d564fe AA |
1388 | RESERVE_SPACE(4+NFS4_STATEID_SIZE); |
1389 | WRITE32(OP_SETATTR); | |
8ae20abd | 1390 | WRITEMEM(arg->stateid.data, NFS4_STATEID_SIZE); |
d017931c | 1391 | hdr->nops++; |
dadf0c27 | 1392 | hdr->replen += decode_setattr_maxsz; |
cf8cdbe5 | 1393 | encode_attrs(xdr, arg->iap, server); |
1da177e4 LT |
1394 | } |
1395 | ||
cf8cdbe5 | 1396 | static void encode_setclientid(struct xdr_stream *xdr, const struct nfs4_setclientid *setclientid, struct compound_hdr *hdr) |
1da177e4 | 1397 | { |
8687b63a | 1398 | __be32 *p; |
1da177e4 | 1399 | |
8ae20abd | 1400 | RESERVE_SPACE(4 + NFS4_VERIFIER_SIZE); |
1da177e4 | 1401 | WRITE32(OP_SETCLIENTID); |
8ae20abd | 1402 | WRITEMEM(setclientid->sc_verifier->data, NFS4_VERIFIER_SIZE); |
1da177e4 LT |
1403 | |
1404 | encode_string(xdr, setclientid->sc_name_len, setclientid->sc_name); | |
1405 | RESERVE_SPACE(4); | |
1406 | WRITE32(setclientid->sc_prog); | |
1407 | encode_string(xdr, setclientid->sc_netid_len, setclientid->sc_netid); | |
1408 | encode_string(xdr, setclientid->sc_uaddr_len, setclientid->sc_uaddr); | |
1409 | RESERVE_SPACE(4); | |
1410 | WRITE32(setclientid->sc_cb_ident); | |
d017931c | 1411 | hdr->nops++; |
dadf0c27 | 1412 | hdr->replen += decode_setclientid_maxsz; |
1da177e4 LT |
1413 | } |
1414 | ||
cf8cdbe5 | 1415 | static void encode_setclientid_confirm(struct xdr_stream *xdr, const struct nfs_client *client_state, struct compound_hdr *hdr) |
1da177e4 | 1416 | { |
05d564fe | 1417 | __be32 *p; |
1da177e4 | 1418 | |
05d564fe AA |
1419 | RESERVE_SPACE(12 + NFS4_VERIFIER_SIZE); |
1420 | WRITE32(OP_SETCLIENTID_CONFIRM); | |
1421 | WRITE64(client_state->cl_clientid); | |
1422 | WRITEMEM(client_state->cl_confirm.data, NFS4_VERIFIER_SIZE); | |
d017931c | 1423 | hdr->nops++; |
dadf0c27 | 1424 | hdr->replen += decode_setclientid_confirm_maxsz; |
1da177e4 LT |
1425 | } |
1426 | ||
cf8cdbe5 | 1427 | static void encode_write(struct xdr_stream *xdr, const struct nfs_writeargs *args, struct compound_hdr *hdr) |
1da177e4 | 1428 | { |
8687b63a | 1429 | __be32 *p; |
1da177e4 LT |
1430 | |
1431 | RESERVE_SPACE(4); | |
1432 | WRITE32(OP_WRITE); | |
1433 | ||
1434 | encode_stateid(xdr, args->context); | |
1435 | ||
1436 | RESERVE_SPACE(16); | |
1437 | WRITE64(args->offset); | |
1438 | WRITE32(args->stable); | |
1439 | WRITE32(args->count); | |
1440 | ||
1441 | xdr_write_pages(xdr, args->pages, args->pgbase, args->count); | |
d017931c | 1442 | hdr->nops++; |
dadf0c27 | 1443 | hdr->replen += decode_write_maxsz; |
1da177e4 LT |
1444 | } |
1445 | ||
cf8cdbe5 | 1446 | static void encode_delegreturn(struct xdr_stream *xdr, const nfs4_stateid *stateid, struct compound_hdr *hdr) |
1da177e4 | 1447 | { |
8687b63a | 1448 | __be32 *p; |
1da177e4 | 1449 | |
8ae20abd | 1450 | RESERVE_SPACE(4+NFS4_STATEID_SIZE); |
1da177e4 LT |
1451 | |
1452 | WRITE32(OP_DELEGRETURN); | |
8ae20abd | 1453 | WRITEMEM(stateid->data, NFS4_STATEID_SIZE); |
d017931c | 1454 | hdr->nops++; |
dadf0c27 | 1455 | hdr->replen += decode_delegreturn_maxsz; |
1da177e4 | 1456 | } |
9b7b9fcc AA |
1457 | |
1458 | /* NFSv4.1 operations */ | |
1459 | static void encode_sequence(struct xdr_stream *xdr, | |
1460 | const struct nfs4_sequence_args *args, | |
1461 | struct compound_hdr *hdr) | |
1462 | { | |
1463 | #if defined(CONFIG_NFS_V4_1) | |
1464 | struct nfs4_session *session = args->sa_session; | |
1465 | ||
1466 | if (!session) | |
1467 | return; | |
1468 | ||
1469 | /* stub */ | |
1470 | hdr->nops++; | |
1471 | hdr->replen += decode_sequence_maxsz; | |
1472 | #endif /* CONFIG_NFS_V4_1 */ | |
1473 | } | |
1474 | ||
1da177e4 LT |
1475 | /* |
1476 | * END OF "GENERIC" ENCODE ROUTINES. | |
1477 | */ | |
1478 | ||
66cc0429 BH |
1479 | static u32 nfs4_xdr_minorversion(const struct nfs4_sequence_args *args) |
1480 | { | |
1481 | #if defined(CONFIG_NFS_V4_1) | |
1482 | if (args->sa_session) | |
1483 | return args->sa_session->clp->cl_minorversion; | |
1484 | #endif /* CONFIG_NFS_V4_1 */ | |
1485 | return 0; | |
1486 | } | |
1487 | ||
1da177e4 LT |
1488 | /* |
1489 | * Encode an ACCESS request | |
1490 | */ | |
8687b63a | 1491 | static int nfs4_xdr_enc_access(struct rpc_rqst *req, __be32 *p, const struct nfs4_accessargs *args) |
1da177e4 LT |
1492 | { |
1493 | struct xdr_stream xdr; | |
1494 | struct compound_hdr hdr = { | |
66cc0429 | 1495 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1496 | }; |
1da177e4 LT |
1497 | |
1498 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 1499 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 1500 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
1501 | encode_putfh(&xdr, args->fh, &hdr); |
1502 | encode_access(&xdr, args->access, &hdr); | |
1503 | encode_getfattr(&xdr, args->bitmask, &hdr); | |
d017931c | 1504 | encode_nops(&hdr); |
cf8cdbe5 | 1505 | return 0; |
1da177e4 LT |
1506 | } |
1507 | ||
1508 | /* | |
1509 | * Encode LOOKUP request | |
1510 | */ | |
8687b63a | 1511 | static int nfs4_xdr_enc_lookup(struct rpc_rqst *req, __be32 *p, const struct nfs4_lookup_arg *args) |
1da177e4 LT |
1512 | { |
1513 | struct xdr_stream xdr; | |
1514 | struct compound_hdr hdr = { | |
66cc0429 | 1515 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1516 | }; |
1da177e4 LT |
1517 | |
1518 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 1519 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 1520 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
1521 | encode_putfh(&xdr, args->dir_fh, &hdr); |
1522 | encode_lookup(&xdr, args->name, &hdr); | |
1523 | encode_getfh(&xdr, &hdr); | |
1524 | encode_getfattr(&xdr, args->bitmask, &hdr); | |
d017931c | 1525 | encode_nops(&hdr); |
cf8cdbe5 | 1526 | return 0; |
1da177e4 LT |
1527 | } |
1528 | ||
1529 | /* | |
1530 | * Encode LOOKUP_ROOT request | |
1531 | */ | |
8687b63a | 1532 | static int nfs4_xdr_enc_lookup_root(struct rpc_rqst *req, __be32 *p, const struct nfs4_lookup_root_arg *args) |
1da177e4 LT |
1533 | { |
1534 | struct xdr_stream xdr; | |
1535 | struct compound_hdr hdr = { | |
66cc0429 | 1536 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1537 | }; |
1da177e4 LT |
1538 | |
1539 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 1540 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 1541 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
1542 | encode_putrootfh(&xdr, &hdr); |
1543 | encode_getfh(&xdr, &hdr); | |
1544 | encode_getfattr(&xdr, args->bitmask, &hdr); | |
d017931c | 1545 | encode_nops(&hdr); |
cf8cdbe5 | 1546 | return 0; |
1da177e4 LT |
1547 | } |
1548 | ||
1549 | /* | |
1550 | * Encode REMOVE request | |
1551 | */ | |
4fdc17b2 | 1552 | static int nfs4_xdr_enc_remove(struct rpc_rqst *req, __be32 *p, const struct nfs_removeargs *args) |
1da177e4 LT |
1553 | { |
1554 | struct xdr_stream xdr; | |
1555 | struct compound_hdr hdr = { | |
66cc0429 | 1556 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1557 | }; |
1da177e4 LT |
1558 | |
1559 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 1560 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 1561 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
1562 | encode_putfh(&xdr, args->fh, &hdr); |
1563 | encode_remove(&xdr, &args->name, &hdr); | |
1564 | encode_getfattr(&xdr, args->bitmask, &hdr); | |
d017931c | 1565 | encode_nops(&hdr); |
cf8cdbe5 | 1566 | return 0; |
1da177e4 LT |
1567 | } |
1568 | ||
1569 | /* | |
1570 | * Encode RENAME request | |
1571 | */ | |
8687b63a | 1572 | static int nfs4_xdr_enc_rename(struct rpc_rqst *req, __be32 *p, const struct nfs4_rename_arg *args) |
1da177e4 LT |
1573 | { |
1574 | struct xdr_stream xdr; | |
1575 | struct compound_hdr hdr = { | |
66cc0429 | 1576 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1577 | }; |
1da177e4 LT |
1578 | |
1579 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 1580 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 1581 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
1582 | encode_putfh(&xdr, args->old_dir, &hdr); |
1583 | encode_savefh(&xdr, &hdr); | |
1584 | encode_putfh(&xdr, args->new_dir, &hdr); | |
1585 | encode_rename(&xdr, args->old_name, args->new_name, &hdr); | |
1586 | encode_getfattr(&xdr, args->bitmask, &hdr); | |
1587 | encode_restorefh(&xdr, &hdr); | |
1588 | encode_getfattr(&xdr, args->bitmask, &hdr); | |
d017931c | 1589 | encode_nops(&hdr); |
cf8cdbe5 | 1590 | return 0; |
1da177e4 LT |
1591 | } |
1592 | ||
1593 | /* | |
1594 | * Encode LINK request | |
1595 | */ | |
8687b63a | 1596 | static int nfs4_xdr_enc_link(struct rpc_rqst *req, __be32 *p, const struct nfs4_link_arg *args) |
1da177e4 LT |
1597 | { |
1598 | struct xdr_stream xdr; | |
1599 | struct compound_hdr hdr = { | |
66cc0429 | 1600 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1601 | }; |
1da177e4 LT |
1602 | |
1603 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 1604 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 1605 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
1606 | encode_putfh(&xdr, args->fh, &hdr); |
1607 | encode_savefh(&xdr, &hdr); | |
1608 | encode_putfh(&xdr, args->dir_fh, &hdr); | |
1609 | encode_link(&xdr, args->name, &hdr); | |
1610 | encode_getfattr(&xdr, args->bitmask, &hdr); | |
1611 | encode_restorefh(&xdr, &hdr); | |
1612 | encode_getfattr(&xdr, args->bitmask, &hdr); | |
d017931c | 1613 | encode_nops(&hdr); |
cf8cdbe5 | 1614 | return 0; |
1da177e4 LT |
1615 | } |
1616 | ||
1617 | /* | |
1618 | * Encode CREATE request | |
1619 | */ | |
8687b63a | 1620 | static int nfs4_xdr_enc_create(struct rpc_rqst *req, __be32 *p, const struct nfs4_create_arg *args) |
1da177e4 LT |
1621 | { |
1622 | struct xdr_stream xdr; | |
1623 | struct compound_hdr hdr = { | |
66cc0429 | 1624 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1625 | }; |
1da177e4 LT |
1626 | |
1627 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 1628 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 1629 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
1630 | encode_putfh(&xdr, args->dir_fh, &hdr); |
1631 | encode_savefh(&xdr, &hdr); | |
1632 | encode_create(&xdr, args, &hdr); | |
1633 | encode_getfh(&xdr, &hdr); | |
1634 | encode_getfattr(&xdr, args->bitmask, &hdr); | |
1635 | encode_restorefh(&xdr, &hdr); | |
1636 | encode_getfattr(&xdr, args->bitmask, &hdr); | |
d017931c | 1637 | encode_nops(&hdr); |
cf8cdbe5 | 1638 | return 0; |
1da177e4 LT |
1639 | } |
1640 | ||
1641 | /* | |
1642 | * Encode SYMLINK request | |
1643 | */ | |
8687b63a | 1644 | static int nfs4_xdr_enc_symlink(struct rpc_rqst *req, __be32 *p, const struct nfs4_create_arg *args) |
1da177e4 LT |
1645 | { |
1646 | return nfs4_xdr_enc_create(req, p, args); | |
1647 | } | |
1648 | ||
1649 | /* | |
1650 | * Encode GETATTR request | |
1651 | */ | |
8687b63a | 1652 | static int nfs4_xdr_enc_getattr(struct rpc_rqst *req, __be32 *p, const struct nfs4_getattr_arg *args) |
1da177e4 LT |
1653 | { |
1654 | struct xdr_stream xdr; | |
1655 | struct compound_hdr hdr = { | |
66cc0429 | 1656 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1657 | }; |
1da177e4 LT |
1658 | |
1659 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 1660 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 1661 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
1662 | encode_putfh(&xdr, args->fh, &hdr); |
1663 | encode_getfattr(&xdr, args->bitmask, &hdr); | |
d017931c | 1664 | encode_nops(&hdr); |
cf8cdbe5 | 1665 | return 0; |
1da177e4 LT |
1666 | } |
1667 | ||
1668 | /* | |
1669 | * Encode a CLOSE request | |
1670 | */ | |
8687b63a | 1671 | static int nfs4_xdr_enc_close(struct rpc_rqst *req, __be32 *p, struct nfs_closeargs *args) |
1da177e4 | 1672 | { |
05d564fe AA |
1673 | struct xdr_stream xdr; |
1674 | struct compound_hdr hdr = { | |
66cc0429 | 1675 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 1676 | }; |
05d564fe AA |
1677 | |
1678 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 1679 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 1680 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
1681 | encode_putfh(&xdr, args->fh, &hdr); |
1682 | encode_close(&xdr, args, &hdr); | |
1683 | encode_getfattr(&xdr, args->bitmask, &hdr); | |
d017931c | 1684 | encode_nops(&hdr); |
cf8cdbe5 | 1685 | return 0; |
1da177e4 LT |
1686 | } |
1687 | ||
1688 | /* | |
1689 | * Encode an OPEN request | |
1690 | */ | |
8687b63a | 1691 | static int nfs4_xdr_enc_open(struct rpc_rqst *req, __be32 *p, struct nfs_openargs *args) |
1da177e4 LT |
1692 | { |
1693 | struct xdr_stream xdr; | |
1694 | struct compound_hdr hdr = { | |
66cc0429 | 1695 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1696 | }; |
1da177e4 LT |
1697 | |
1698 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 1699 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 1700 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
1701 | encode_putfh(&xdr, args->fh, &hdr); |
1702 | encode_savefh(&xdr, &hdr); | |
1703 | encode_open(&xdr, args, &hdr); | |
1704 | encode_getfh(&xdr, &hdr); | |
1705 | encode_getfattr(&xdr, args->bitmask, &hdr); | |
1706 | encode_restorefh(&xdr, &hdr); | |
1707 | encode_getfattr(&xdr, args->bitmask, &hdr); | |
d017931c | 1708 | encode_nops(&hdr); |
cf8cdbe5 | 1709 | return 0; |
1da177e4 LT |
1710 | } |
1711 | ||
1712 | /* | |
1713 | * Encode an OPEN_CONFIRM request | |
1714 | */ | |
8687b63a | 1715 | static int nfs4_xdr_enc_open_confirm(struct rpc_rqst *req, __be32 *p, struct nfs_open_confirmargs *args) |
1da177e4 LT |
1716 | { |
1717 | struct xdr_stream xdr; | |
1718 | struct compound_hdr hdr = { | |
d017931c | 1719 | .nops = 0, |
1da177e4 | 1720 | }; |
1da177e4 LT |
1721 | |
1722 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 1723 | encode_compound_hdr(&xdr, req, &hdr); |
cf8cdbe5 AA |
1724 | encode_putfh(&xdr, args->fh, &hdr); |
1725 | encode_open_confirm(&xdr, args, &hdr); | |
d017931c | 1726 | encode_nops(&hdr); |
cf8cdbe5 | 1727 | return 0; |
1da177e4 LT |
1728 | } |
1729 | ||
1730 | /* | |
1731 | * Encode an OPEN request with no attributes. | |
1732 | */ | |
8687b63a | 1733 | static int nfs4_xdr_enc_open_noattr(struct rpc_rqst *req, __be32 *p, struct nfs_openargs *args) |
1da177e4 LT |
1734 | { |
1735 | struct xdr_stream xdr; | |
1736 | struct compound_hdr hdr = { | |
66cc0429 | 1737 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1738 | }; |
1da177e4 LT |
1739 | |
1740 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 1741 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 1742 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
1743 | encode_putfh(&xdr, args->fh, &hdr); |
1744 | encode_open(&xdr, args, &hdr); | |
1745 | encode_getfattr(&xdr, args->bitmask, &hdr); | |
d017931c | 1746 | encode_nops(&hdr); |
cf8cdbe5 | 1747 | return 0; |
1da177e4 LT |
1748 | } |
1749 | ||
1750 | /* | |
1751 | * Encode an OPEN_DOWNGRADE request | |
1752 | */ | |
8687b63a | 1753 | static int nfs4_xdr_enc_open_downgrade(struct rpc_rqst *req, __be32 *p, struct nfs_closeargs *args) |
1da177e4 LT |
1754 | { |
1755 | struct xdr_stream xdr; | |
1756 | struct compound_hdr hdr = { | |
66cc0429 | 1757 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1758 | }; |
1da177e4 LT |
1759 | |
1760 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 1761 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 1762 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
1763 | encode_putfh(&xdr, args->fh, &hdr); |
1764 | encode_open_downgrade(&xdr, args, &hdr); | |
1765 | encode_getfattr(&xdr, args->bitmask, &hdr); | |
d017931c | 1766 | encode_nops(&hdr); |
cf8cdbe5 | 1767 | return 0; |
1da177e4 LT |
1768 | } |
1769 | ||
1770 | /* | |
1771 | * Encode a LOCK request | |
1772 | */ | |
8687b63a | 1773 | static int nfs4_xdr_enc_lock(struct rpc_rqst *req, __be32 *p, struct nfs_lock_args *args) |
1da177e4 LT |
1774 | { |
1775 | struct xdr_stream xdr; | |
1776 | struct compound_hdr hdr = { | |
66cc0429 | 1777 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1778 | }; |
1da177e4 LT |
1779 | |
1780 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 1781 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 1782 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
1783 | encode_putfh(&xdr, args->fh, &hdr); |
1784 | encode_lock(&xdr, args, &hdr); | |
d017931c | 1785 | encode_nops(&hdr); |
cf8cdbe5 | 1786 | return 0; |
1da177e4 LT |
1787 | } |
1788 | ||
1789 | /* | |
1790 | * Encode a LOCKT request | |
1791 | */ | |
8687b63a | 1792 | static int nfs4_xdr_enc_lockt(struct rpc_rqst *req, __be32 *p, struct nfs_lockt_args *args) |
1da177e4 LT |
1793 | { |
1794 | struct xdr_stream xdr; | |
1795 | struct compound_hdr hdr = { | |
66cc0429 | 1796 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1797 | }; |
1da177e4 LT |
1798 | |
1799 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 1800 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 1801 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
1802 | encode_putfh(&xdr, args->fh, &hdr); |
1803 | encode_lockt(&xdr, args, &hdr); | |
d017931c | 1804 | encode_nops(&hdr); |
cf8cdbe5 | 1805 | return 0; |
1da177e4 LT |
1806 | } |
1807 | ||
1808 | /* | |
1809 | * Encode a LOCKU request | |
1810 | */ | |
8687b63a | 1811 | static int nfs4_xdr_enc_locku(struct rpc_rqst *req, __be32 *p, struct nfs_locku_args *args) |
1da177e4 LT |
1812 | { |
1813 | struct xdr_stream xdr; | |
1814 | struct compound_hdr hdr = { | |
66cc0429 | 1815 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1816 | }; |
1da177e4 LT |
1817 | |
1818 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 1819 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 1820 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
1821 | encode_putfh(&xdr, args->fh, &hdr); |
1822 | encode_locku(&xdr, args, &hdr); | |
d017931c | 1823 | encode_nops(&hdr); |
cf8cdbe5 | 1824 | return 0; |
1da177e4 LT |
1825 | } |
1826 | ||
1827 | /* | |
1828 | * Encode a READLINK request | |
1829 | */ | |
8687b63a | 1830 | static int nfs4_xdr_enc_readlink(struct rpc_rqst *req, __be32 *p, const struct nfs4_readlink *args) |
1da177e4 LT |
1831 | { |
1832 | struct xdr_stream xdr; | |
1833 | struct compound_hdr hdr = { | |
66cc0429 | 1834 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1835 | }; |
1da177e4 LT |
1836 | |
1837 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 1838 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 1839 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
1840 | encode_putfh(&xdr, args->fh, &hdr); |
1841 | encode_readlink(&xdr, args, req, &hdr); | |
e3a535e1 | 1842 | |
28f56694 | 1843 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, |
e3a535e1 | 1844 | args->pgbase, args->pglen); |
d017931c | 1845 | encode_nops(&hdr); |
cf8cdbe5 | 1846 | return 0; |
1da177e4 LT |
1847 | } |
1848 | ||
1849 | /* | |
1850 | * Encode a READDIR request | |
1851 | */ | |
8687b63a | 1852 | static int nfs4_xdr_enc_readdir(struct rpc_rqst *req, __be32 *p, const struct nfs4_readdir_arg *args) |
1da177e4 LT |
1853 | { |
1854 | struct xdr_stream xdr; | |
1855 | struct compound_hdr hdr = { | |
66cc0429 | 1856 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1857 | }; |
1da177e4 LT |
1858 | |
1859 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 1860 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 1861 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
1862 | encode_putfh(&xdr, args->fh, &hdr); |
1863 | encode_readdir(&xdr, args, req, &hdr); | |
d6ac02df | 1864 | |
28f56694 | 1865 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, |
d6ac02df TM |
1866 | args->pgbase, args->count); |
1867 | dprintk("%s: inlined page args = (%u, %p, %u, %u)\n", | |
28f56694 | 1868 | __func__, hdr.replen << 2, args->pages, |
d6ac02df | 1869 | args->pgbase, args->count); |
d017931c | 1870 | encode_nops(&hdr); |
cf8cdbe5 | 1871 | return 0; |
1da177e4 LT |
1872 | } |
1873 | ||
1874 | /* | |
1875 | * Encode a READ request | |
1876 | */ | |
8687b63a | 1877 | static int nfs4_xdr_enc_read(struct rpc_rqst *req, __be32 *p, struct nfs_readargs *args) |
1da177e4 | 1878 | { |
1da177e4 LT |
1879 | struct xdr_stream xdr; |
1880 | struct compound_hdr hdr = { | |
66cc0429 | 1881 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1882 | }; |
1da177e4 LT |
1883 | |
1884 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 1885 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 1886 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
1887 | encode_putfh(&xdr, args->fh, &hdr); |
1888 | encode_read(&xdr, args, &hdr); | |
1da177e4 | 1889 | |
28f56694 | 1890 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, |
1da177e4 | 1891 | args->pages, args->pgbase, args->count); |
4f22ccc3 | 1892 | req->rq_rcv_buf.flags |= XDRBUF_READ; |
d017931c | 1893 | encode_nops(&hdr); |
cf8cdbe5 | 1894 | return 0; |
1da177e4 LT |
1895 | } |
1896 | ||
1897 | /* | |
1898 | * Encode an SETATTR request | |
1899 | */ | |
8687b63a | 1900 | static int nfs4_xdr_enc_setattr(struct rpc_rqst *req, __be32 *p, struct nfs_setattrargs *args) |
1da177e4 | 1901 | { |
05d564fe AA |
1902 | struct xdr_stream xdr; |
1903 | struct compound_hdr hdr = { | |
66cc0429 | 1904 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 1905 | }; |
05d564fe AA |
1906 | |
1907 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 1908 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 1909 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
1910 | encode_putfh(&xdr, args->fh, &hdr); |
1911 | encode_setattr(&xdr, args, args->server, &hdr); | |
1912 | encode_getfattr(&xdr, args->bitmask, &hdr); | |
d017931c | 1913 | encode_nops(&hdr); |
cf8cdbe5 | 1914 | return 0; |
1da177e4 LT |
1915 | } |
1916 | ||
029d105e BF |
1917 | /* |
1918 | * Encode a GETACL request | |
1919 | */ | |
1920 | static int | |
8687b63a | 1921 | nfs4_xdr_enc_getacl(struct rpc_rqst *req, __be32 *p, |
029d105e BF |
1922 | struct nfs_getaclargs *args) |
1923 | { | |
1924 | struct xdr_stream xdr; | |
029d105e | 1925 | struct compound_hdr hdr = { |
66cc0429 | 1926 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
029d105e | 1927 | }; |
28f56694 | 1928 | uint32_t replen; |
029d105e BF |
1929 | |
1930 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 1931 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 1932 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 | 1933 | encode_putfh(&xdr, args->fh, &hdr); |
28f56694 | 1934 | replen = hdr.replen + nfs4_fattr_bitmap_maxsz + 1; |
cf8cdbe5 AA |
1935 | encode_getattr_two(&xdr, FATTR4_WORD0_ACL, 0, &hdr); |
1936 | ||
28f56694 | 1937 | xdr_inline_pages(&req->rq_rcv_buf, replen << 2, |
029d105e | 1938 | args->acl_pages, args->acl_pgbase, args->acl_len); |
d017931c | 1939 | encode_nops(&hdr); |
cf8cdbe5 | 1940 | return 0; |
029d105e BF |
1941 | } |
1942 | ||
1da177e4 LT |
1943 | /* |
1944 | * Encode a WRITE request | |
1945 | */ | |
8687b63a | 1946 | static int nfs4_xdr_enc_write(struct rpc_rqst *req, __be32 *p, struct nfs_writeargs *args) |
1da177e4 LT |
1947 | { |
1948 | struct xdr_stream xdr; | |
1949 | struct compound_hdr hdr = { | |
66cc0429 | 1950 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1951 | }; |
1da177e4 LT |
1952 | |
1953 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 1954 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 1955 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
1956 | encode_putfh(&xdr, args->fh, &hdr); |
1957 | encode_write(&xdr, args, &hdr); | |
4f22ccc3 | 1958 | req->rq_snd_buf.flags |= XDRBUF_WRITE; |
cf8cdbe5 | 1959 | encode_getfattr(&xdr, args->bitmask, &hdr); |
d017931c | 1960 | encode_nops(&hdr); |
cf8cdbe5 | 1961 | return 0; |
1da177e4 LT |
1962 | } |
1963 | ||
1964 | /* | |
1965 | * a COMMIT request | |
1966 | */ | |
8687b63a | 1967 | static int nfs4_xdr_enc_commit(struct rpc_rqst *req, __be32 *p, struct nfs_writeargs *args) |
1da177e4 LT |
1968 | { |
1969 | struct xdr_stream xdr; | |
1970 | struct compound_hdr hdr = { | |
66cc0429 | 1971 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1972 | }; |
1da177e4 LT |
1973 | |
1974 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 1975 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 1976 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
1977 | encode_putfh(&xdr, args->fh, &hdr); |
1978 | encode_commit(&xdr, args, &hdr); | |
1979 | encode_getfattr(&xdr, args->bitmask, &hdr); | |
d017931c | 1980 | encode_nops(&hdr); |
cf8cdbe5 | 1981 | return 0; |
1da177e4 LT |
1982 | } |
1983 | ||
1984 | /* | |
1985 | * FSINFO request | |
1986 | */ | |
8687b63a | 1987 | static int nfs4_xdr_enc_fsinfo(struct rpc_rqst *req, __be32 *p, struct nfs4_fsinfo_arg *args) |
1da177e4 LT |
1988 | { |
1989 | struct xdr_stream xdr; | |
1990 | struct compound_hdr hdr = { | |
66cc0429 | 1991 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1992 | }; |
1da177e4 LT |
1993 | |
1994 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 1995 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 1996 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
1997 | encode_putfh(&xdr, args->fh, &hdr); |
1998 | encode_fsinfo(&xdr, args->bitmask, &hdr); | |
d017931c | 1999 | encode_nops(&hdr); |
cf8cdbe5 | 2000 | return 0; |
1da177e4 LT |
2001 | } |
2002 | ||
2003 | /* | |
2004 | * a PATHCONF request | |
2005 | */ | |
8687b63a | 2006 | static int nfs4_xdr_enc_pathconf(struct rpc_rqst *req, __be32 *p, const struct nfs4_pathconf_arg *args) |
1da177e4 | 2007 | { |
1da177e4 LT |
2008 | struct xdr_stream xdr; |
2009 | struct compound_hdr hdr = { | |
66cc0429 | 2010 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2011 | }; |
1da177e4 LT |
2012 | |
2013 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 2014 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 2015 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
2016 | encode_putfh(&xdr, args->fh, &hdr); |
2017 | encode_getattr_one(&xdr, args->bitmask[0] & nfs4_pathconf_bitmap[0], | |
2018 | &hdr); | |
d017931c | 2019 | encode_nops(&hdr); |
cf8cdbe5 | 2020 | return 0; |
1da177e4 LT |
2021 | } |
2022 | ||
2023 | /* | |
2024 | * a STATFS request | |
2025 | */ | |
8687b63a | 2026 | static int nfs4_xdr_enc_statfs(struct rpc_rqst *req, __be32 *p, const struct nfs4_statfs_arg *args) |
1da177e4 | 2027 | { |
1da177e4 LT |
2028 | struct xdr_stream xdr; |
2029 | struct compound_hdr hdr = { | |
66cc0429 | 2030 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2031 | }; |
1da177e4 LT |
2032 | |
2033 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 2034 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 2035 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
2036 | encode_putfh(&xdr, args->fh, &hdr); |
2037 | encode_getattr_two(&xdr, args->bitmask[0] & nfs4_statfs_bitmap[0], | |
2038 | args->bitmask[1] & nfs4_statfs_bitmap[1], &hdr); | |
d017931c | 2039 | encode_nops(&hdr); |
cf8cdbe5 | 2040 | return 0; |
1da177e4 LT |
2041 | } |
2042 | ||
2043 | /* | |
2044 | * GETATTR_BITMAP request | |
2045 | */ | |
43652ad5 BH |
2046 | static int nfs4_xdr_enc_server_caps(struct rpc_rqst *req, __be32 *p, |
2047 | struct nfs4_server_caps_arg *args) | |
1da177e4 LT |
2048 | { |
2049 | struct xdr_stream xdr; | |
2050 | struct compound_hdr hdr = { | |
66cc0429 | 2051 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2052 | }; |
1da177e4 LT |
2053 | |
2054 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 2055 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 2056 | encode_sequence(&xdr, &args->seq_args, &hdr); |
43652ad5 | 2057 | encode_putfh(&xdr, args->fhandle, &hdr); |
cf8cdbe5 AA |
2058 | encode_getattr_one(&xdr, FATTR4_WORD0_SUPPORTED_ATTRS| |
2059 | FATTR4_WORD0_LINK_SUPPORT| | |
2060 | FATTR4_WORD0_SYMLINK_SUPPORT| | |
2061 | FATTR4_WORD0_ACLSUPPORT, &hdr); | |
d017931c | 2062 | encode_nops(&hdr); |
cf8cdbe5 | 2063 | return 0; |
1da177e4 LT |
2064 | } |
2065 | ||
2066 | /* | |
2067 | * a RENEW request | |
2068 | */ | |
8687b63a | 2069 | static int nfs4_xdr_enc_renew(struct rpc_rqst *req, __be32 *p, struct nfs_client *clp) |
1da177e4 LT |
2070 | { |
2071 | struct xdr_stream xdr; | |
2072 | struct compound_hdr hdr = { | |
d017931c | 2073 | .nops = 0, |
1da177e4 LT |
2074 | }; |
2075 | ||
2076 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 2077 | encode_compound_hdr(&xdr, req, &hdr); |
cf8cdbe5 | 2078 | encode_renew(&xdr, clp, &hdr); |
d017931c | 2079 | encode_nops(&hdr); |
cf8cdbe5 | 2080 | return 0; |
1da177e4 LT |
2081 | } |
2082 | ||
2083 | /* | |
2084 | * a SETCLIENTID request | |
2085 | */ | |
8687b63a | 2086 | static int nfs4_xdr_enc_setclientid(struct rpc_rqst *req, __be32 *p, struct nfs4_setclientid *sc) |
1da177e4 LT |
2087 | { |
2088 | struct xdr_stream xdr; | |
2089 | struct compound_hdr hdr = { | |
d017931c | 2090 | .nops = 0, |
1da177e4 LT |
2091 | }; |
2092 | ||
2093 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 2094 | encode_compound_hdr(&xdr, req, &hdr); |
cf8cdbe5 | 2095 | encode_setclientid(&xdr, sc, &hdr); |
d017931c | 2096 | encode_nops(&hdr); |
cf8cdbe5 | 2097 | return 0; |
1da177e4 LT |
2098 | } |
2099 | ||
2100 | /* | |
2101 | * a SETCLIENTID_CONFIRM request | |
2102 | */ | |
8687b63a | 2103 | static int nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, __be32 *p, struct nfs_client *clp) |
1da177e4 LT |
2104 | { |
2105 | struct xdr_stream xdr; | |
2106 | struct compound_hdr hdr = { | |
d017931c | 2107 | .nops = 0, |
1da177e4 LT |
2108 | }; |
2109 | const u32 lease_bitmap[2] = { FATTR4_WORD0_LEASE_TIME, 0 }; | |
1da177e4 LT |
2110 | |
2111 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 2112 | encode_compound_hdr(&xdr, req, &hdr); |
cf8cdbe5 AA |
2113 | encode_setclientid_confirm(&xdr, clp, &hdr); |
2114 | encode_putrootfh(&xdr, &hdr); | |
2115 | encode_fsinfo(&xdr, lease_bitmap, &hdr); | |
d017931c | 2116 | encode_nops(&hdr); |
cf8cdbe5 | 2117 | return 0; |
1da177e4 LT |
2118 | } |
2119 | ||
2120 | /* | |
2121 | * DELEGRETURN request | |
2122 | */ | |
8687b63a | 2123 | static int nfs4_xdr_enc_delegreturn(struct rpc_rqst *req, __be32 *p, const struct nfs4_delegreturnargs *args) |
1da177e4 LT |
2124 | { |
2125 | struct xdr_stream xdr; | |
2126 | struct compound_hdr hdr = { | |
66cc0429 | 2127 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2128 | }; |
1da177e4 LT |
2129 | |
2130 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 2131 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 2132 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
2133 | encode_putfh(&xdr, args->fhandle, &hdr); |
2134 | encode_delegreturn(&xdr, args->stateid, &hdr); | |
2135 | encode_getfattr(&xdr, args->bitmask, &hdr); | |
d017931c | 2136 | encode_nops(&hdr); |
cf8cdbe5 | 2137 | return 0; |
1da177e4 LT |
2138 | } |
2139 | ||
683b57b4 TM |
2140 | /* |
2141 | * Encode FS_LOCATIONS request | |
2142 | */ | |
8687b63a | 2143 | static int nfs4_xdr_enc_fs_locations(struct rpc_rqst *req, __be32 *p, struct nfs4_fs_locations_arg *args) |
683b57b4 TM |
2144 | { |
2145 | struct xdr_stream xdr; | |
2146 | struct compound_hdr hdr = { | |
66cc0429 | 2147 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
683b57b4 | 2148 | }; |
28f56694 | 2149 | uint32_t replen; |
683b57b4 TM |
2150 | |
2151 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 2152 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 2153 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 AA |
2154 | encode_putfh(&xdr, args->dir_fh, &hdr); |
2155 | encode_lookup(&xdr, args->name, &hdr); | |
28f56694 | 2156 | replen = hdr.replen; /* get the attribute into args->page */ |
cf8cdbe5 AA |
2157 | encode_fs_locations(&xdr, args->bitmask, &hdr); |
2158 | ||
28f56694 | 2159 | xdr_inline_pages(&req->rq_rcv_buf, replen << 2, &args->page, |
683b57b4 | 2160 | 0, PAGE_SIZE); |
d017931c | 2161 | encode_nops(&hdr); |
cf8cdbe5 | 2162 | return 0; |
683b57b4 TM |
2163 | } |
2164 | ||
1da177e4 LT |
2165 | /* |
2166 | * START OF "GENERIC" DECODE ROUTINES. | |
2167 | * These may look a little ugly since they are imported from a "generic" | |
2168 | * set of XDR encode/decode routines which are intended to be shared by | |
2169 | * all of our NFSv4 implementations (OpenBSD, MacOS X...). | |
2170 | * | |
2171 | * If the pain of reading these is too great, it should be a straightforward | |
2172 | * task to translate them into Linux-specific versions which are more | |
2173 | * consistent with the style used in NFSv2/v3... | |
2174 | */ | |
2175 | #define READ32(x) (x) = ntohl(*p++) | |
2176 | #define READ64(x) do { \ | |
2177 | (x) = (u64)ntohl(*p++) << 32; \ | |
2178 | (x) |= ntohl(*p++); \ | |
2179 | } while (0) | |
2180 | #define READTIME(x) do { \ | |
2181 | p++; \ | |
2182 | (x.tv_sec) = ntohl(*p++); \ | |
2183 | (x.tv_nsec) = ntohl(*p++); \ | |
2184 | } while (0) | |
2185 | #define COPYMEM(x,nbytes) do { \ | |
2186 | memcpy((x), p, nbytes); \ | |
2187 | p += XDR_QUADLEN(nbytes); \ | |
2188 | } while (0) | |
2189 | ||
2190 | #define READ_BUF(nbytes) do { \ | |
2191 | p = xdr_inline_decode(xdr, nbytes); \ | |
e4cc6ee2 | 2192 | if (unlikely(!p)) { \ |
fe82a183 | 2193 | dprintk("nfs: %s: prematurely hit end of receive" \ |
3110ff80 | 2194 | " buffer\n", __func__); \ |
fe82a183 | 2195 | dprintk("nfs: %s: xdr->p=%p, bytes=%u, xdr->end=%p\n", \ |
3110ff80 | 2196 | __func__, xdr->p, nbytes, xdr->end); \ |
1da177e4 LT |
2197 | return -EIO; \ |
2198 | } \ | |
2199 | } while (0) | |
2200 | ||
683b57b4 | 2201 | static int decode_opaque_inline(struct xdr_stream *xdr, unsigned int *len, char **string) |
1da177e4 | 2202 | { |
8687b63a | 2203 | __be32 *p; |
1da177e4 LT |
2204 | |
2205 | READ_BUF(4); | |
2206 | READ32(*len); | |
2207 | READ_BUF(*len); | |
2208 | *string = (char *)p; | |
2209 | return 0; | |
2210 | } | |
2211 | ||
2212 | static int decode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr) | |
2213 | { | |
8687b63a | 2214 | __be32 *p; |
1da177e4 LT |
2215 | |
2216 | READ_BUF(8); | |
2217 | READ32(hdr->status); | |
2218 | READ32(hdr->taglen); | |
6c0195a4 | 2219 | |
1da177e4 LT |
2220 | READ_BUF(hdr->taglen + 4); |
2221 | hdr->tag = (char *)p; | |
2222 | p += XDR_QUADLEN(hdr->taglen); | |
2223 | READ32(hdr->nops); | |
aadf6152 BH |
2224 | if (unlikely(hdr->nops < 1)) |
2225 | return nfs4_stat_to_errno(hdr->status); | |
1da177e4 LT |
2226 | return 0; |
2227 | } | |
2228 | ||
2229 | static int decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected) | |
2230 | { | |
8687b63a | 2231 | __be32 *p; |
1da177e4 LT |
2232 | uint32_t opnum; |
2233 | int32_t nfserr; | |
2234 | ||
2235 | READ_BUF(8); | |
2236 | READ32(opnum); | |
2237 | if (opnum != expected) { | |
fe82a183 CL |
2238 | dprintk("nfs: Server returned operation" |
2239 | " %d but we issued a request for %d\n", | |
1da177e4 LT |
2240 | opnum, expected); |
2241 | return -EIO; | |
2242 | } | |
2243 | READ32(nfserr); | |
2244 | if (nfserr != NFS_OK) | |
856dff3d | 2245 | return nfs4_stat_to_errno(nfserr); |
1da177e4 LT |
2246 | return 0; |
2247 | } | |
2248 | ||
2249 | /* Dummy routine */ | |
adfa6f98 | 2250 | static int decode_ace(struct xdr_stream *xdr, void *ace, struct nfs_client *clp) |
1da177e4 | 2251 | { |
8687b63a | 2252 | __be32 *p; |
683b57b4 | 2253 | unsigned int strlen; |
1da177e4 LT |
2254 | char *str; |
2255 | ||
2256 | READ_BUF(12); | |
2257 | return decode_opaque_inline(xdr, &strlen, &str); | |
2258 | } | |
2259 | ||
2260 | static int decode_attr_bitmap(struct xdr_stream *xdr, uint32_t *bitmap) | |
2261 | { | |
8687b63a AV |
2262 | uint32_t bmlen; |
2263 | __be32 *p; | |
1da177e4 LT |
2264 | |
2265 | READ_BUF(4); | |
2266 | READ32(bmlen); | |
2267 | ||
2268 | bitmap[0] = bitmap[1] = 0; | |
2269 | READ_BUF((bmlen << 2)); | |
2270 | if (bmlen > 0) { | |
2271 | READ32(bitmap[0]); | |
2272 | if (bmlen > 1) | |
2273 | READ32(bitmap[1]); | |
2274 | } | |
2275 | return 0; | |
2276 | } | |
2277 | ||
8687b63a | 2278 | static inline int decode_attr_length(struct xdr_stream *xdr, uint32_t *attrlen, __be32 **savep) |
1da177e4 | 2279 | { |
8687b63a | 2280 | __be32 *p; |
1da177e4 LT |
2281 | |
2282 | READ_BUF(4); | |
2283 | READ32(*attrlen); | |
2284 | *savep = xdr->p; | |
2285 | return 0; | |
2286 | } | |
2287 | ||
2288 | static int decode_attr_supported(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *bitmask) | |
2289 | { | |
2290 | if (likely(bitmap[0] & FATTR4_WORD0_SUPPORTED_ATTRS)) { | |
2291 | decode_attr_bitmap(xdr, bitmask); | |
2292 | bitmap[0] &= ~FATTR4_WORD0_SUPPORTED_ATTRS; | |
2293 | } else | |
2294 | bitmask[0] = bitmask[1] = 0; | |
44109241 | 2295 | dprintk("%s: bitmask=%08x:%08x\n", __func__, bitmask[0], bitmask[1]); |
1da177e4 LT |
2296 | return 0; |
2297 | } | |
2298 | ||
2299 | static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *type) | |
2300 | { | |
8687b63a | 2301 | __be32 *p; |
409924e4 | 2302 | int ret = 0; |
1da177e4 LT |
2303 | |
2304 | *type = 0; | |
2305 | if (unlikely(bitmap[0] & (FATTR4_WORD0_TYPE - 1U))) | |
2306 | return -EIO; | |
2307 | if (likely(bitmap[0] & FATTR4_WORD0_TYPE)) { | |
2308 | READ_BUF(4); | |
2309 | READ32(*type); | |
2310 | if (*type < NF4REG || *type > NF4NAMEDATTR) { | |
3110ff80 | 2311 | dprintk("%s: bad type %d\n", __func__, *type); |
1da177e4 LT |
2312 | return -EIO; |
2313 | } | |
2314 | bitmap[0] &= ~FATTR4_WORD0_TYPE; | |
409924e4 | 2315 | ret = NFS_ATTR_FATTR_TYPE; |
1da177e4 | 2316 | } |
bca79478 | 2317 | dprintk("%s: type=0%o\n", __func__, nfs_type2fmt[*type]); |
409924e4 | 2318 | return ret; |
1da177e4 LT |
2319 | } |
2320 | ||
2321 | static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *change) | |
2322 | { | |
8687b63a | 2323 | __be32 *p; |
409924e4 | 2324 | int ret = 0; |
1da177e4 LT |
2325 | |
2326 | *change = 0; | |
2327 | if (unlikely(bitmap[0] & (FATTR4_WORD0_CHANGE - 1U))) | |
2328 | return -EIO; | |
2329 | if (likely(bitmap[0] & FATTR4_WORD0_CHANGE)) { | |
2330 | READ_BUF(8); | |
2331 | READ64(*change); | |
2332 | bitmap[0] &= ~FATTR4_WORD0_CHANGE; | |
409924e4 | 2333 | ret = NFS_ATTR_FATTR_CHANGE; |
1da177e4 | 2334 | } |
3110ff80 | 2335 | dprintk("%s: change attribute=%Lu\n", __func__, |
1da177e4 | 2336 | (unsigned long long)*change); |
409924e4 | 2337 | return ret; |
1da177e4 LT |
2338 | } |
2339 | ||
2340 | static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *size) | |
2341 | { | |
8687b63a | 2342 | __be32 *p; |
409924e4 | 2343 | int ret = 0; |
1da177e4 LT |
2344 | |
2345 | *size = 0; | |
2346 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SIZE - 1U))) | |
2347 | return -EIO; | |
2348 | if (likely(bitmap[0] & FATTR4_WORD0_SIZE)) { | |
2349 | READ_BUF(8); | |
2350 | READ64(*size); | |
2351 | bitmap[0] &= ~FATTR4_WORD0_SIZE; | |
409924e4 | 2352 | ret = NFS_ATTR_FATTR_SIZE; |
1da177e4 | 2353 | } |
3110ff80 | 2354 | dprintk("%s: file size=%Lu\n", __func__, (unsigned long long)*size); |
409924e4 | 2355 | return ret; |
1da177e4 LT |
2356 | } |
2357 | ||
2358 | static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
2359 | { | |
8687b63a | 2360 | __be32 *p; |
1da177e4 LT |
2361 | |
2362 | *res = 0; | |
2363 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LINK_SUPPORT - 1U))) | |
2364 | return -EIO; | |
2365 | if (likely(bitmap[0] & FATTR4_WORD0_LINK_SUPPORT)) { | |
2366 | READ_BUF(4); | |
2367 | READ32(*res); | |
2368 | bitmap[0] &= ~FATTR4_WORD0_LINK_SUPPORT; | |
2369 | } | |
3110ff80 | 2370 | dprintk("%s: link support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 LT |
2371 | return 0; |
2372 | } | |
2373 | ||
2374 | static int decode_attr_symlink_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
2375 | { | |
8687b63a | 2376 | __be32 *p; |
1da177e4 LT |
2377 | |
2378 | *res = 0; | |
2379 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SYMLINK_SUPPORT - 1U))) | |
2380 | return -EIO; | |
2381 | if (likely(bitmap[0] & FATTR4_WORD0_SYMLINK_SUPPORT)) { | |
2382 | READ_BUF(4); | |
2383 | READ32(*res); | |
2384 | bitmap[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT; | |
2385 | } | |
3110ff80 | 2386 | dprintk("%s: symlink support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 LT |
2387 | return 0; |
2388 | } | |
2389 | ||
8b4bdcf8 | 2390 | static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fsid *fsid) |
1da177e4 | 2391 | { |
8687b63a | 2392 | __be32 *p; |
409924e4 | 2393 | int ret = 0; |
1da177e4 LT |
2394 | |
2395 | fsid->major = 0; | |
2396 | fsid->minor = 0; | |
2397 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FSID - 1U))) | |
2398 | return -EIO; | |
2399 | if (likely(bitmap[0] & FATTR4_WORD0_FSID)) { | |
2400 | READ_BUF(16); | |
2401 | READ64(fsid->major); | |
2402 | READ64(fsid->minor); | |
2403 | bitmap[0] &= ~FATTR4_WORD0_FSID; | |
409924e4 | 2404 | ret = NFS_ATTR_FATTR_FSID; |
1da177e4 | 2405 | } |
3110ff80 | 2406 | dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __func__, |
1da177e4 LT |
2407 | (unsigned long long)fsid->major, |
2408 | (unsigned long long)fsid->minor); | |
409924e4 | 2409 | return ret; |
1da177e4 LT |
2410 | } |
2411 | ||
2412 | static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
2413 | { | |
8687b63a | 2414 | __be32 *p; |
1da177e4 LT |
2415 | |
2416 | *res = 60; | |
2417 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LEASE_TIME - 1U))) | |
2418 | return -EIO; | |
2419 | if (likely(bitmap[0] & FATTR4_WORD0_LEASE_TIME)) { | |
2420 | READ_BUF(4); | |
2421 | READ32(*res); | |
2422 | bitmap[0] &= ~FATTR4_WORD0_LEASE_TIME; | |
2423 | } | |
3110ff80 | 2424 | dprintk("%s: file size=%u\n", __func__, (unsigned int)*res); |
1da177e4 LT |
2425 | return 0; |
2426 | } | |
2427 | ||
2428 | static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
2429 | { | |
8687b63a | 2430 | __be32 *p; |
1da177e4 LT |
2431 | |
2432 | *res = ACL4_SUPPORT_ALLOW_ACL|ACL4_SUPPORT_DENY_ACL; | |
2433 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACLSUPPORT - 1U))) | |
2434 | return -EIO; | |
2435 | if (likely(bitmap[0] & FATTR4_WORD0_ACLSUPPORT)) { | |
2436 | READ_BUF(4); | |
2437 | READ32(*res); | |
2438 | bitmap[0] &= ~FATTR4_WORD0_ACLSUPPORT; | |
2439 | } | |
3110ff80 | 2440 | dprintk("%s: ACLs supported=%u\n", __func__, (unsigned int)*res); |
1da177e4 LT |
2441 | return 0; |
2442 | } | |
2443 | ||
2444 | static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) | |
2445 | { | |
8687b63a | 2446 | __be32 *p; |
409924e4 | 2447 | int ret = 0; |
1da177e4 LT |
2448 | |
2449 | *fileid = 0; | |
2450 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEID - 1U))) | |
2451 | return -EIO; | |
2452 | if (likely(bitmap[0] & FATTR4_WORD0_FILEID)) { | |
2453 | READ_BUF(8); | |
2454 | READ64(*fileid); | |
2455 | bitmap[0] &= ~FATTR4_WORD0_FILEID; | |
409924e4 | 2456 | ret = NFS_ATTR_FATTR_FILEID; |
1da177e4 | 2457 | } |
3110ff80 | 2458 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
409924e4 | 2459 | return ret; |
1da177e4 LT |
2460 | } |
2461 | ||
99baf625 MN |
2462 | static int decode_attr_mounted_on_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) |
2463 | { | |
8687b63a | 2464 | __be32 *p; |
409924e4 | 2465 | int ret = 0; |
99baf625 MN |
2466 | |
2467 | *fileid = 0; | |
2468 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MOUNTED_ON_FILEID - 1U))) | |
2469 | return -EIO; | |
2470 | if (likely(bitmap[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) { | |
2471 | READ_BUF(8); | |
2472 | READ64(*fileid); | |
2473 | bitmap[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID; | |
409924e4 | 2474 | ret = NFS_ATTR_FATTR_FILEID; |
99baf625 | 2475 | } |
3110ff80 | 2476 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
409924e4 | 2477 | return ret; |
99baf625 MN |
2478 | } |
2479 | ||
1da177e4 LT |
2480 | static int decode_attr_files_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
2481 | { | |
8687b63a | 2482 | __be32 *p; |
1da177e4 LT |
2483 | int status = 0; |
2484 | ||
2485 | *res = 0; | |
2486 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_AVAIL - 1U))) | |
2487 | return -EIO; | |
2488 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_AVAIL)) { | |
2489 | READ_BUF(8); | |
2490 | READ64(*res); | |
2491 | bitmap[0] &= ~FATTR4_WORD0_FILES_AVAIL; | |
2492 | } | |
3110ff80 | 2493 | dprintk("%s: files avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 LT |
2494 | return status; |
2495 | } | |
2496 | ||
2497 | static int decode_attr_files_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
2498 | { | |
8687b63a | 2499 | __be32 *p; |
1da177e4 LT |
2500 | int status = 0; |
2501 | ||
2502 | *res = 0; | |
2503 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_FREE - 1U))) | |
2504 | return -EIO; | |
2505 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_FREE)) { | |
2506 | READ_BUF(8); | |
2507 | READ64(*res); | |
2508 | bitmap[0] &= ~FATTR4_WORD0_FILES_FREE; | |
2509 | } | |
3110ff80 | 2510 | dprintk("%s: files free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 LT |
2511 | return status; |
2512 | } | |
2513 | ||
2514 | static int decode_attr_files_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
2515 | { | |
8687b63a | 2516 | __be32 *p; |
1da177e4 LT |
2517 | int status = 0; |
2518 | ||
2519 | *res = 0; | |
2520 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_TOTAL - 1U))) | |
2521 | return -EIO; | |
2522 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_TOTAL)) { | |
2523 | READ_BUF(8); | |
2524 | READ64(*res); | |
2525 | bitmap[0] &= ~FATTR4_WORD0_FILES_TOTAL; | |
2526 | } | |
3110ff80 | 2527 | dprintk("%s: files total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 LT |
2528 | return status; |
2529 | } | |
2530 | ||
7aaa0b3b MN |
2531 | static int decode_pathname(struct xdr_stream *xdr, struct nfs4_pathname *path) |
2532 | { | |
464ad6b1 | 2533 | u32 n; |
8687b63a | 2534 | __be32 *p; |
7aaa0b3b MN |
2535 | int status = 0; |
2536 | ||
2537 | READ_BUF(4); | |
2538 | READ32(n); | |
33a43f28 AA |
2539 | if (n == 0) |
2540 | goto root_path; | |
7aaa0b3b MN |
2541 | dprintk("path "); |
2542 | path->ncomponents = 0; | |
2543 | while (path->ncomponents < n) { | |
2544 | struct nfs4_string *component = &path->components[path->ncomponents]; | |
2545 | status = decode_opaque_inline(xdr, &component->len, &component->data); | |
2546 | if (unlikely(status != 0)) | |
2547 | goto out_eio; | |
2548 | if (path->ncomponents != n) | |
2549 | dprintk("/"); | |
2550 | dprintk("%s", component->data); | |
2551 | if (path->ncomponents < NFS4_PATHNAME_MAXCOMPONENTS) | |
2552 | path->ncomponents++; | |
2553 | else { | |
2554 | dprintk("cannot parse %d components in path\n", n); | |
2555 | goto out_eio; | |
2556 | } | |
2557 | } | |
2558 | out: | |
2559 | dprintk("\n"); | |
2560 | return status; | |
33a43f28 AA |
2561 | root_path: |
2562 | /* a root pathname is sent as a zero component4 */ | |
2563 | path->ncomponents = 1; | |
2564 | path->components[0].len=0; | |
2565 | path->components[0].data=NULL; | |
2566 | dprintk("path /\n"); | |
2567 | goto out; | |
7aaa0b3b MN |
2568 | out_eio: |
2569 | dprintk(" status %d", status); | |
2570 | status = -EIO; | |
2571 | goto out; | |
2572 | } | |
2573 | ||
2574 | static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_fs_locations *res) | |
683b57b4 TM |
2575 | { |
2576 | int n; | |
8687b63a | 2577 | __be32 *p; |
683b57b4 TM |
2578 | int status = -EIO; |
2579 | ||
2580 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FS_LOCATIONS -1U))) | |
2581 | goto out; | |
2582 | status = 0; | |
2583 | if (unlikely(!(bitmap[0] & FATTR4_WORD0_FS_LOCATIONS))) | |
2584 | goto out; | |
3110ff80 | 2585 | dprintk("%s: fsroot ", __func__); |
7aaa0b3b | 2586 | status = decode_pathname(xdr, &res->fs_path); |
683b57b4 TM |
2587 | if (unlikely(status != 0)) |
2588 | goto out; | |
2589 | READ_BUF(4); | |
2590 | READ32(n); | |
2591 | if (n <= 0) | |
2592 | goto out_eio; | |
2593 | res->nlocations = 0; | |
2594 | while (res->nlocations < n) { | |
464ad6b1 | 2595 | u32 m; |
7aaa0b3b | 2596 | struct nfs4_fs_location *loc = &res->locations[res->nlocations]; |
683b57b4 | 2597 | |
7aaa0b3b MN |
2598 | READ_BUF(4); |
2599 | READ32(m); | |
7aaa0b3b MN |
2600 | |
2601 | loc->nservers = 0; | |
3110ff80 | 2602 | dprintk("%s: servers ", __func__); |
7aaa0b3b MN |
2603 | while (loc->nservers < m) { |
2604 | struct nfs4_string *server = &loc->servers[loc->nservers]; | |
2605 | status = decode_opaque_inline(xdr, &server->len, &server->data); | |
2606 | if (unlikely(status != 0)) | |
2607 | goto out_eio; | |
2608 | dprintk("%s ", server->data); | |
2609 | if (loc->nservers < NFS4_FS_LOCATION_MAXSERVERS) | |
2610 | loc->nservers++; | |
2611 | else { | |
464ad6b1 CL |
2612 | unsigned int i; |
2613 | dprintk("%s: using first %u of %u servers " | |
2614 | "returned for location %u\n", | |
3110ff80 | 2615 | __func__, |
464ad6b1 CL |
2616 | NFS4_FS_LOCATION_MAXSERVERS, |
2617 | m, res->nlocations); | |
7aaa0b3b | 2618 | for (i = loc->nservers; i < m; i++) { |
2e42c3e2 | 2619 | unsigned int len; |
7aaa0b3b MN |
2620 | char *data; |
2621 | status = decode_opaque_inline(xdr, &len, &data); | |
2622 | if (unlikely(status != 0)) | |
2623 | goto out_eio; | |
2624 | } | |
2625 | } | |
2626 | } | |
2627 | status = decode_pathname(xdr, &loc->rootpath); | |
683b57b4 TM |
2628 | if (unlikely(status != 0)) |
2629 | goto out_eio; | |
7aaa0b3b | 2630 | if (res->nlocations < NFS4_FS_LOCATIONS_MAXENTRIES) |
683b57b4 TM |
2631 | res->nlocations++; |
2632 | } | |
409924e4 TM |
2633 | if (res->nlocations != 0) |
2634 | status = NFS_ATTR_FATTR_V4_REFERRAL; | |
683b57b4 | 2635 | out: |
3110ff80 | 2636 | dprintk("%s: fs_locations done, error = %d\n", __func__, status); |
683b57b4 TM |
2637 | return status; |
2638 | out_eio: | |
2639 | status = -EIO; | |
2640 | goto out; | |
2641 | } | |
2642 | ||
1da177e4 LT |
2643 | static int decode_attr_maxfilesize(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
2644 | { | |
8687b63a | 2645 | __be32 *p; |
1da177e4 LT |
2646 | int status = 0; |
2647 | ||
2648 | *res = 0; | |
2649 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXFILESIZE - 1U))) | |
2650 | return -EIO; | |
2651 | if (likely(bitmap[0] & FATTR4_WORD0_MAXFILESIZE)) { | |
2652 | READ_BUF(8); | |
2653 | READ64(*res); | |
2654 | bitmap[0] &= ~FATTR4_WORD0_MAXFILESIZE; | |
2655 | } | |
3110ff80 | 2656 | dprintk("%s: maxfilesize=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 LT |
2657 | return status; |
2658 | } | |
2659 | ||
2660 | static int decode_attr_maxlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxlink) | |
2661 | { | |
8687b63a | 2662 | __be32 *p; |
1da177e4 LT |
2663 | int status = 0; |
2664 | ||
2665 | *maxlink = 1; | |
2666 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXLINK - 1U))) | |
2667 | return -EIO; | |
2668 | if (likely(bitmap[0] & FATTR4_WORD0_MAXLINK)) { | |
2669 | READ_BUF(4); | |
2670 | READ32(*maxlink); | |
2671 | bitmap[0] &= ~FATTR4_WORD0_MAXLINK; | |
2672 | } | |
3110ff80 | 2673 | dprintk("%s: maxlink=%u\n", __func__, *maxlink); |
1da177e4 LT |
2674 | return status; |
2675 | } | |
2676 | ||
2677 | static int decode_attr_maxname(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxname) | |
2678 | { | |
8687b63a | 2679 | __be32 *p; |
1da177e4 LT |
2680 | int status = 0; |
2681 | ||
2682 | *maxname = 1024; | |
2683 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXNAME - 1U))) | |
2684 | return -EIO; | |
2685 | if (likely(bitmap[0] & FATTR4_WORD0_MAXNAME)) { | |
2686 | READ_BUF(4); | |
2687 | READ32(*maxname); | |
2688 | bitmap[0] &= ~FATTR4_WORD0_MAXNAME; | |
2689 | } | |
3110ff80 | 2690 | dprintk("%s: maxname=%u\n", __func__, *maxname); |
1da177e4 LT |
2691 | return status; |
2692 | } | |
2693 | ||
2694 | static int decode_attr_maxread(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
2695 | { | |
8687b63a | 2696 | __be32 *p; |
1da177e4 LT |
2697 | int status = 0; |
2698 | ||
2699 | *res = 1024; | |
2700 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXREAD - 1U))) | |
2701 | return -EIO; | |
2702 | if (likely(bitmap[0] & FATTR4_WORD0_MAXREAD)) { | |
2703 | uint64_t maxread; | |
2704 | READ_BUF(8); | |
2705 | READ64(maxread); | |
2706 | if (maxread > 0x7FFFFFFF) | |
2707 | maxread = 0x7FFFFFFF; | |
2708 | *res = (uint32_t)maxread; | |
2709 | bitmap[0] &= ~FATTR4_WORD0_MAXREAD; | |
2710 | } | |
3110ff80 | 2711 | dprintk("%s: maxread=%lu\n", __func__, (unsigned long)*res); |
1da177e4 LT |
2712 | return status; |
2713 | } | |
2714 | ||
2715 | static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
2716 | { | |
8687b63a | 2717 | __be32 *p; |
1da177e4 LT |
2718 | int status = 0; |
2719 | ||
2720 | *res = 1024; | |
2721 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXWRITE - 1U))) | |
2722 | return -EIO; | |
2723 | if (likely(bitmap[0] & FATTR4_WORD0_MAXWRITE)) { | |
2724 | uint64_t maxwrite; | |
2725 | READ_BUF(8); | |
2726 | READ64(maxwrite); | |
2727 | if (maxwrite > 0x7FFFFFFF) | |
2728 | maxwrite = 0x7FFFFFFF; | |
2729 | *res = (uint32_t)maxwrite; | |
2730 | bitmap[0] &= ~FATTR4_WORD0_MAXWRITE; | |
2731 | } | |
3110ff80 | 2732 | dprintk("%s: maxwrite=%lu\n", __func__, (unsigned long)*res); |
1da177e4 LT |
2733 | return status; |
2734 | } | |
2735 | ||
bca79478 | 2736 | static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, umode_t *mode) |
1da177e4 | 2737 | { |
bca79478 | 2738 | uint32_t tmp; |
8687b63a | 2739 | __be32 *p; |
409924e4 | 2740 | int ret = 0; |
1da177e4 LT |
2741 | |
2742 | *mode = 0; | |
2743 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MODE - 1U))) | |
2744 | return -EIO; | |
2745 | if (likely(bitmap[1] & FATTR4_WORD1_MODE)) { | |
2746 | READ_BUF(4); | |
bca79478 TM |
2747 | READ32(tmp); |
2748 | *mode = tmp & ~S_IFMT; | |
1da177e4 | 2749 | bitmap[1] &= ~FATTR4_WORD1_MODE; |
409924e4 | 2750 | ret = NFS_ATTR_FATTR_MODE; |
1da177e4 | 2751 | } |
3110ff80 | 2752 | dprintk("%s: file mode=0%o\n", __func__, (unsigned int)*mode); |
409924e4 | 2753 | return ret; |
1da177e4 LT |
2754 | } |
2755 | ||
2756 | static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *nlink) | |
2757 | { | |
8687b63a | 2758 | __be32 *p; |
409924e4 | 2759 | int ret = 0; |
1da177e4 LT |
2760 | |
2761 | *nlink = 1; | |
2762 | if (unlikely(bitmap[1] & (FATTR4_WORD1_NUMLINKS - 1U))) | |
2763 | return -EIO; | |
2764 | if (likely(bitmap[1] & FATTR4_WORD1_NUMLINKS)) { | |
2765 | READ_BUF(4); | |
2766 | READ32(*nlink); | |
2767 | bitmap[1] &= ~FATTR4_WORD1_NUMLINKS; | |
409924e4 | 2768 | ret = NFS_ATTR_FATTR_NLINK; |
1da177e4 | 2769 | } |
3110ff80 | 2770 | dprintk("%s: nlink=%u\n", __func__, (unsigned int)*nlink); |
409924e4 | 2771 | return ret; |
1da177e4 LT |
2772 | } |
2773 | ||
2e42c3e2 | 2774 | static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_client *clp, uint32_t *uid) |
1da177e4 | 2775 | { |
8687b63a AV |
2776 | uint32_t len; |
2777 | __be32 *p; | |
409924e4 | 2778 | int ret = 0; |
1da177e4 LT |
2779 | |
2780 | *uid = -2; | |
2781 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER - 1U))) | |
2782 | return -EIO; | |
2783 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER)) { | |
2784 | READ_BUF(4); | |
2785 | READ32(len); | |
2786 | READ_BUF(len); | |
2787 | if (len < XDR_MAX_NETOBJ) { | |
409924e4 TM |
2788 | if (nfs_map_name_to_uid(clp, (char *)p, len, uid) == 0) |
2789 | ret = NFS_ATTR_FATTR_OWNER; | |
2790 | else | |
1da177e4 | 2791 | dprintk("%s: nfs_map_name_to_uid failed!\n", |
3110ff80 | 2792 | __func__); |
1da177e4 | 2793 | } else |
fe82a183 | 2794 | dprintk("%s: name too long (%u)!\n", |
3110ff80 | 2795 | __func__, len); |
1da177e4 LT |
2796 | bitmap[1] &= ~FATTR4_WORD1_OWNER; |
2797 | } | |
3110ff80 | 2798 | dprintk("%s: uid=%d\n", __func__, (int)*uid); |
409924e4 | 2799 | return ret; |
1da177e4 LT |
2800 | } |
2801 | ||
2e42c3e2 | 2802 | static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_client *clp, uint32_t *gid) |
1da177e4 | 2803 | { |
8687b63a AV |
2804 | uint32_t len; |
2805 | __be32 *p; | |
409924e4 | 2806 | int ret = 0; |
1da177e4 LT |
2807 | |
2808 | *gid = -2; | |
2809 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER_GROUP - 1U))) | |
2810 | return -EIO; | |
2811 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER_GROUP)) { | |
2812 | READ_BUF(4); | |
2813 | READ32(len); | |
2814 | READ_BUF(len); | |
2815 | if (len < XDR_MAX_NETOBJ) { | |
409924e4 TM |
2816 | if (nfs_map_group_to_gid(clp, (char *)p, len, gid) == 0) |
2817 | ret = NFS_ATTR_FATTR_GROUP; | |
2818 | else | |
1da177e4 | 2819 | dprintk("%s: nfs_map_group_to_gid failed!\n", |
3110ff80 | 2820 | __func__); |
1da177e4 | 2821 | } else |
fe82a183 | 2822 | dprintk("%s: name too long (%u)!\n", |
3110ff80 | 2823 | __func__, len); |
1da177e4 LT |
2824 | bitmap[1] &= ~FATTR4_WORD1_OWNER_GROUP; |
2825 | } | |
3110ff80 | 2826 | dprintk("%s: gid=%d\n", __func__, (int)*gid); |
409924e4 | 2827 | return ret; |
1da177e4 LT |
2828 | } |
2829 | ||
2830 | static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rdev) | |
2831 | { | |
8687b63a AV |
2832 | uint32_t major = 0, minor = 0; |
2833 | __be32 *p; | |
409924e4 | 2834 | int ret = 0; |
1da177e4 LT |
2835 | |
2836 | *rdev = MKDEV(0,0); | |
2837 | if (unlikely(bitmap[1] & (FATTR4_WORD1_RAWDEV - 1U))) | |
2838 | return -EIO; | |
2839 | if (likely(bitmap[1] & FATTR4_WORD1_RAWDEV)) { | |
2840 | dev_t tmp; | |
2841 | ||
2842 | READ_BUF(8); | |
2843 | READ32(major); | |
2844 | READ32(minor); | |
2845 | tmp = MKDEV(major, minor); | |
2846 | if (MAJOR(tmp) == major && MINOR(tmp) == minor) | |
2847 | *rdev = tmp; | |
2848 | bitmap[1] &= ~ FATTR4_WORD1_RAWDEV; | |
409924e4 | 2849 | ret = NFS_ATTR_FATTR_RDEV; |
1da177e4 | 2850 | } |
3110ff80 | 2851 | dprintk("%s: rdev=(0x%x:0x%x)\n", __func__, major, minor); |
409924e4 | 2852 | return ret; |
1da177e4 LT |
2853 | } |
2854 | ||
2855 | static int decode_attr_space_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
2856 | { | |
8687b63a | 2857 | __be32 *p; |
1da177e4 LT |
2858 | int status = 0; |
2859 | ||
2860 | *res = 0; | |
2861 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_AVAIL - 1U))) | |
2862 | return -EIO; | |
2863 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_AVAIL)) { | |
2864 | READ_BUF(8); | |
2865 | READ64(*res); | |
2866 | bitmap[1] &= ~FATTR4_WORD1_SPACE_AVAIL; | |
2867 | } | |
3110ff80 | 2868 | dprintk("%s: space avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 LT |
2869 | return status; |
2870 | } | |
2871 | ||
2872 | static int decode_attr_space_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
2873 | { | |
8687b63a | 2874 | __be32 *p; |
1da177e4 LT |
2875 | int status = 0; |
2876 | ||
2877 | *res = 0; | |
2878 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_FREE - 1U))) | |
2879 | return -EIO; | |
2880 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_FREE)) { | |
2881 | READ_BUF(8); | |
2882 | READ64(*res); | |
2883 | bitmap[1] &= ~FATTR4_WORD1_SPACE_FREE; | |
2884 | } | |
3110ff80 | 2885 | dprintk("%s: space free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 LT |
2886 | return status; |
2887 | } | |
2888 | ||
2889 | static int decode_attr_space_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
2890 | { | |
8687b63a | 2891 | __be32 *p; |
1da177e4 LT |
2892 | int status = 0; |
2893 | ||
2894 | *res = 0; | |
2895 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_TOTAL - 1U))) | |
2896 | return -EIO; | |
2897 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_TOTAL)) { | |
2898 | READ_BUF(8); | |
2899 | READ64(*res); | |
2900 | bitmap[1] &= ~FATTR4_WORD1_SPACE_TOTAL; | |
2901 | } | |
3110ff80 | 2902 | dprintk("%s: space total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 LT |
2903 | return status; |
2904 | } | |
2905 | ||
2906 | static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *used) | |
2907 | { | |
8687b63a | 2908 | __be32 *p; |
409924e4 | 2909 | int ret = 0; |
1da177e4 LT |
2910 | |
2911 | *used = 0; | |
2912 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_USED - 1U))) | |
2913 | return -EIO; | |
2914 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_USED)) { | |
2915 | READ_BUF(8); | |
2916 | READ64(*used); | |
2917 | bitmap[1] &= ~FATTR4_WORD1_SPACE_USED; | |
409924e4 | 2918 | ret = NFS_ATTR_FATTR_SPACE_USED; |
1da177e4 | 2919 | } |
3110ff80 | 2920 | dprintk("%s: space used=%Lu\n", __func__, |
1da177e4 | 2921 | (unsigned long long)*used); |
409924e4 | 2922 | return ret; |
1da177e4 LT |
2923 | } |
2924 | ||
2925 | static int decode_attr_time(struct xdr_stream *xdr, struct timespec *time) | |
2926 | { | |
8687b63a | 2927 | __be32 *p; |
1da177e4 LT |
2928 | uint64_t sec; |
2929 | uint32_t nsec; | |
2930 | ||
2931 | READ_BUF(12); | |
2932 | READ64(sec); | |
2933 | READ32(nsec); | |
2934 | time->tv_sec = (time_t)sec; | |
2935 | time->tv_nsec = (long)nsec; | |
2936 | return 0; | |
2937 | } | |
2938 | ||
2939 | static int decode_attr_time_access(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
2940 | { | |
2941 | int status = 0; | |
2942 | ||
2943 | time->tv_sec = 0; | |
2944 | time->tv_nsec = 0; | |
2945 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_ACCESS - 1U))) | |
2946 | return -EIO; | |
2947 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_ACCESS)) { | |
2948 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
2949 | if (status == 0) |
2950 | status = NFS_ATTR_FATTR_ATIME; | |
1da177e4 LT |
2951 | bitmap[1] &= ~FATTR4_WORD1_TIME_ACCESS; |
2952 | } | |
3110ff80 | 2953 | dprintk("%s: atime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
2954 | return status; |
2955 | } | |
2956 | ||
2957 | static int decode_attr_time_metadata(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
2958 | { | |
2959 | int status = 0; | |
2960 | ||
2961 | time->tv_sec = 0; | |
2962 | time->tv_nsec = 0; | |
2963 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_METADATA - 1U))) | |
2964 | return -EIO; | |
2965 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_METADATA)) { | |
2966 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
2967 | if (status == 0) |
2968 | status = NFS_ATTR_FATTR_CTIME; | |
1da177e4 LT |
2969 | bitmap[1] &= ~FATTR4_WORD1_TIME_METADATA; |
2970 | } | |
3110ff80 | 2971 | dprintk("%s: ctime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
2972 | return status; |
2973 | } | |
2974 | ||
2975 | static int decode_attr_time_modify(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
2976 | { | |
2977 | int status = 0; | |
2978 | ||
2979 | time->tv_sec = 0; | |
2980 | time->tv_nsec = 0; | |
2981 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_MODIFY - 1U))) | |
2982 | return -EIO; | |
2983 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_MODIFY)) { | |
2984 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
2985 | if (status == 0) |
2986 | status = NFS_ATTR_FATTR_MTIME; | |
1da177e4 LT |
2987 | bitmap[1] &= ~FATTR4_WORD1_TIME_MODIFY; |
2988 | } | |
3110ff80 | 2989 | dprintk("%s: mtime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
2990 | return status; |
2991 | } | |
2992 | ||
8687b63a | 2993 | static int verify_attr_len(struct xdr_stream *xdr, __be32 *savep, uint32_t attrlen) |
1da177e4 LT |
2994 | { |
2995 | unsigned int attrwords = XDR_QUADLEN(attrlen); | |
2996 | unsigned int nwords = xdr->p - savep; | |
2997 | ||
2998 | if (unlikely(attrwords != nwords)) { | |
fe82a183 CL |
2999 | dprintk("%s: server returned incorrect attribute length: " |
3000 | "%u %c %u\n", | |
3110ff80 | 3001 | __func__, |
1da177e4 LT |
3002 | attrwords << 2, |
3003 | (attrwords < nwords) ? '<' : '>', | |
3004 | nwords << 2); | |
3005 | return -EIO; | |
3006 | } | |
3007 | return 0; | |
3008 | } | |
3009 | ||
3010 | static int decode_change_info(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
3011 | { | |
8687b63a | 3012 | __be32 *p; |
1da177e4 LT |
3013 | |
3014 | READ_BUF(20); | |
3015 | READ32(cinfo->atomic); | |
3016 | READ64(cinfo->before); | |
3017 | READ64(cinfo->after); | |
3018 | return 0; | |
3019 | } | |
3020 | ||
3021 | static int decode_access(struct xdr_stream *xdr, struct nfs4_accessres *access) | |
3022 | { | |
8687b63a | 3023 | __be32 *p; |
1da177e4 LT |
3024 | uint32_t supp, acc; |
3025 | int status; | |
3026 | ||
3027 | status = decode_op_hdr(xdr, OP_ACCESS); | |
3028 | if (status) | |
3029 | return status; | |
3030 | READ_BUF(8); | |
3031 | READ32(supp); | |
3032 | READ32(acc); | |
3033 | access->supported = supp; | |
3034 | access->access = acc; | |
3035 | return 0; | |
3036 | } | |
3037 | ||
3038 | static int decode_close(struct xdr_stream *xdr, struct nfs_closeres *res) | |
3039 | { | |
8687b63a | 3040 | __be32 *p; |
1da177e4 LT |
3041 | int status; |
3042 | ||
3043 | status = decode_op_hdr(xdr, OP_CLOSE); | |
c1d51931 TM |
3044 | if (status != -EIO) |
3045 | nfs_increment_open_seqid(status, res->seqid); | |
1da177e4 LT |
3046 | if (status) |
3047 | return status; | |
8ae20abd TM |
3048 | READ_BUF(NFS4_STATEID_SIZE); |
3049 | COPYMEM(res->stateid.data, NFS4_STATEID_SIZE); | |
1da177e4 LT |
3050 | return 0; |
3051 | } | |
3052 | ||
3053 | static int decode_commit(struct xdr_stream *xdr, struct nfs_writeres *res) | |
3054 | { | |
8687b63a | 3055 | __be32 *p; |
1da177e4 LT |
3056 | int status; |
3057 | ||
3058 | status = decode_op_hdr(xdr, OP_COMMIT); | |
3059 | if (status) | |
3060 | return status; | |
3061 | READ_BUF(8); | |
3062 | COPYMEM(res->verf->verifier, 8); | |
3063 | return 0; | |
3064 | } | |
3065 | ||
3066 | static int decode_create(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
3067 | { | |
8687b63a | 3068 | __be32 *p; |
1da177e4 LT |
3069 | uint32_t bmlen; |
3070 | int status; | |
3071 | ||
3072 | status = decode_op_hdr(xdr, OP_CREATE); | |
3073 | if (status) | |
3074 | return status; | |
3075 | if ((status = decode_change_info(xdr, cinfo))) | |
3076 | return status; | |
3077 | READ_BUF(4); | |
3078 | READ32(bmlen); | |
3079 | READ_BUF(bmlen << 2); | |
3080 | return 0; | |
3081 | } | |
3082 | ||
3083 | static int decode_server_caps(struct xdr_stream *xdr, struct nfs4_server_caps_res *res) | |
3084 | { | |
8687b63a | 3085 | __be32 *savep; |
6c0195a4 | 3086 | uint32_t attrlen, bitmap[2] = {0}; |
1da177e4 LT |
3087 | int status; |
3088 | ||
3089 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
3090 | goto xdr_error; | |
3091 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
3092 | goto xdr_error; | |
3093 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
3094 | goto xdr_error; | |
3095 | if ((status = decode_attr_supported(xdr, bitmap, res->attr_bitmask)) != 0) | |
3096 | goto xdr_error; | |
3097 | if ((status = decode_attr_link_support(xdr, bitmap, &res->has_links)) != 0) | |
3098 | goto xdr_error; | |
3099 | if ((status = decode_attr_symlink_support(xdr, bitmap, &res->has_symlinks)) != 0) | |
3100 | goto xdr_error; | |
3101 | if ((status = decode_attr_aclsupport(xdr, bitmap, &res->acl_bitmask)) != 0) | |
3102 | goto xdr_error; | |
3103 | status = verify_attr_len(xdr, savep, attrlen); | |
3104 | xdr_error: | |
3110ff80 | 3105 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
3106 | return status; |
3107 | } | |
6c0195a4 | 3108 | |
1da177e4 LT |
3109 | static int decode_statfs(struct xdr_stream *xdr, struct nfs_fsstat *fsstat) |
3110 | { | |
8687b63a | 3111 | __be32 *savep; |
6c0195a4 | 3112 | uint32_t attrlen, bitmap[2] = {0}; |
1da177e4 | 3113 | int status; |
6c0195a4 | 3114 | |
1da177e4 LT |
3115 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
3116 | goto xdr_error; | |
3117 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
3118 | goto xdr_error; | |
3119 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
3120 | goto xdr_error; | |
3121 | ||
3122 | if ((status = decode_attr_files_avail(xdr, bitmap, &fsstat->afiles)) != 0) | |
3123 | goto xdr_error; | |
3124 | if ((status = decode_attr_files_free(xdr, bitmap, &fsstat->ffiles)) != 0) | |
3125 | goto xdr_error; | |
3126 | if ((status = decode_attr_files_total(xdr, bitmap, &fsstat->tfiles)) != 0) | |
3127 | goto xdr_error; | |
3128 | if ((status = decode_attr_space_avail(xdr, bitmap, &fsstat->abytes)) != 0) | |
3129 | goto xdr_error; | |
3130 | if ((status = decode_attr_space_free(xdr, bitmap, &fsstat->fbytes)) != 0) | |
3131 | goto xdr_error; | |
3132 | if ((status = decode_attr_space_total(xdr, bitmap, &fsstat->tbytes)) != 0) | |
3133 | goto xdr_error; | |
3134 | ||
3135 | status = verify_attr_len(xdr, savep, attrlen); | |
3136 | xdr_error: | |
3110ff80 | 3137 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
3138 | return status; |
3139 | } | |
3140 | ||
3141 | static int decode_pathconf(struct xdr_stream *xdr, struct nfs_pathconf *pathconf) | |
3142 | { | |
8687b63a | 3143 | __be32 *savep; |
6c0195a4 | 3144 | uint32_t attrlen, bitmap[2] = {0}; |
1da177e4 | 3145 | int status; |
6c0195a4 | 3146 | |
1da177e4 LT |
3147 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
3148 | goto xdr_error; | |
3149 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
3150 | goto xdr_error; | |
3151 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
3152 | goto xdr_error; | |
3153 | ||
3154 | if ((status = decode_attr_maxlink(xdr, bitmap, &pathconf->max_link)) != 0) | |
3155 | goto xdr_error; | |
3156 | if ((status = decode_attr_maxname(xdr, bitmap, &pathconf->max_namelen)) != 0) | |
3157 | goto xdr_error; | |
3158 | ||
3159 | status = verify_attr_len(xdr, savep, attrlen); | |
3160 | xdr_error: | |
3110ff80 | 3161 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
3162 | return status; |
3163 | } | |
3164 | ||
3165 | static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr, const struct nfs_server *server) | |
3166 | { | |
8687b63a | 3167 | __be32 *savep; |
1da177e4 LT |
3168 | uint32_t attrlen, |
3169 | bitmap[2] = {0}, | |
3170 | type; | |
bca79478 TM |
3171 | int status; |
3172 | umode_t fmode = 0; | |
99baf625 | 3173 | uint64_t fileid; |
1da177e4 | 3174 | |
f26c7a78 TM |
3175 | status = decode_op_hdr(xdr, OP_GETATTR); |
3176 | if (status < 0) | |
1da177e4 | 3177 | goto xdr_error; |
f26c7a78 TM |
3178 | |
3179 | status = decode_attr_bitmap(xdr, bitmap); | |
3180 | if (status < 0) | |
1da177e4 LT |
3181 | goto xdr_error; |
3182 | ||
f26c7a78 TM |
3183 | status = decode_attr_length(xdr, &attrlen, &savep); |
3184 | if (status < 0) | |
1da177e4 LT |
3185 | goto xdr_error; |
3186 | ||
3187 | ||
f26c7a78 TM |
3188 | status = decode_attr_type(xdr, bitmap, &type); |
3189 | if (status < 0) | |
1da177e4 | 3190 | goto xdr_error; |
409924e4 TM |
3191 | fattr->mode = 0; |
3192 | if (status != 0) { | |
3193 | fattr->mode |= nfs_type2fmt[type]; | |
3194 | fattr->valid |= status; | |
3195 | } | |
1da177e4 | 3196 | |
f26c7a78 TM |
3197 | status = decode_attr_change(xdr, bitmap, &fattr->change_attr); |
3198 | if (status < 0) | |
1da177e4 | 3199 | goto xdr_error; |
409924e4 | 3200 | fattr->valid |= status; |
f26c7a78 TM |
3201 | |
3202 | status = decode_attr_size(xdr, bitmap, &fattr->size); | |
3203 | if (status < 0) | |
1da177e4 | 3204 | goto xdr_error; |
409924e4 | 3205 | fattr->valid |= status; |
f26c7a78 TM |
3206 | |
3207 | status = decode_attr_fsid(xdr, bitmap, &fattr->fsid); | |
3208 | if (status < 0) | |
1da177e4 | 3209 | goto xdr_error; |
409924e4 | 3210 | fattr->valid |= status; |
f26c7a78 TM |
3211 | |
3212 | status = decode_attr_fileid(xdr, bitmap, &fattr->fileid); | |
3213 | if (status < 0) | |
1da177e4 | 3214 | goto xdr_error; |
409924e4 | 3215 | fattr->valid |= status; |
f26c7a78 TM |
3216 | |
3217 | status = decode_attr_fs_locations(xdr, bitmap, container_of(fattr, | |
7aaa0b3b | 3218 | struct nfs4_fs_locations, |
f26c7a78 TM |
3219 | fattr)); |
3220 | if (status < 0) | |
683b57b4 | 3221 | goto xdr_error; |
409924e4 | 3222 | fattr->valid |= status; |
f26c7a78 TM |
3223 | |
3224 | status = decode_attr_mode(xdr, bitmap, &fmode); | |
3225 | if (status < 0) | |
1da177e4 | 3226 | goto xdr_error; |
409924e4 TM |
3227 | if (status != 0) { |
3228 | fattr->mode |= fmode; | |
3229 | fattr->valid |= status; | |
3230 | } | |
f26c7a78 TM |
3231 | |
3232 | status = decode_attr_nlink(xdr, bitmap, &fattr->nlink); | |
3233 | if (status < 0) | |
1da177e4 | 3234 | goto xdr_error; |
409924e4 | 3235 | fattr->valid |= status; |
f26c7a78 TM |
3236 | |
3237 | status = decode_attr_owner(xdr, bitmap, server->nfs_client, &fattr->uid); | |
3238 | if (status < 0) | |
1da177e4 | 3239 | goto xdr_error; |
409924e4 | 3240 | fattr->valid |= status; |
f26c7a78 TM |
3241 | |
3242 | status = decode_attr_group(xdr, bitmap, server->nfs_client, &fattr->gid); | |
3243 | if (status < 0) | |
1da177e4 | 3244 | goto xdr_error; |
409924e4 | 3245 | fattr->valid |= status; |
f26c7a78 TM |
3246 | |
3247 | status = decode_attr_rdev(xdr, bitmap, &fattr->rdev); | |
3248 | if (status < 0) | |
1da177e4 | 3249 | goto xdr_error; |
409924e4 | 3250 | fattr->valid |= status; |
f26c7a78 TM |
3251 | |
3252 | status = decode_attr_space_used(xdr, bitmap, &fattr->du.nfs3.used); | |
3253 | if (status < 0) | |
1da177e4 | 3254 | goto xdr_error; |
409924e4 | 3255 | fattr->valid |= status; |
f26c7a78 TM |
3256 | |
3257 | status = decode_attr_time_access(xdr, bitmap, &fattr->atime); | |
3258 | if (status < 0) | |
1da177e4 | 3259 | goto xdr_error; |
409924e4 | 3260 | fattr->valid |= status; |
f26c7a78 TM |
3261 | |
3262 | status = decode_attr_time_metadata(xdr, bitmap, &fattr->ctime); | |
3263 | if (status < 0) | |
1da177e4 | 3264 | goto xdr_error; |
409924e4 | 3265 | fattr->valid |= status; |
f26c7a78 TM |
3266 | |
3267 | status = decode_attr_time_modify(xdr, bitmap, &fattr->mtime); | |
3268 | if (status < 0) | |
1da177e4 | 3269 | goto xdr_error; |
409924e4 | 3270 | fattr->valid |= status; |
f26c7a78 TM |
3271 | |
3272 | status = decode_attr_mounted_on_fileid(xdr, bitmap, &fileid); | |
3273 | if (status < 0) | |
99baf625 | 3274 | goto xdr_error; |
409924e4 | 3275 | if (status != 0 && !(fattr->valid & status)) { |
99baf625 | 3276 | fattr->fileid = fileid; |
409924e4 TM |
3277 | fattr->valid |= status; |
3278 | } | |
f26c7a78 TM |
3279 | |
3280 | status = verify_attr_len(xdr, savep, attrlen); | |
1da177e4 | 3281 | xdr_error: |
3110ff80 | 3282 | dprintk("%s: xdr returned %d\n", __func__, -status); |
1da177e4 LT |
3283 | return status; |
3284 | } | |
3285 | ||
3286 | ||
3287 | static int decode_fsinfo(struct xdr_stream *xdr, struct nfs_fsinfo *fsinfo) | |
3288 | { | |
8687b63a | 3289 | __be32 *savep; |
1da177e4 LT |
3290 | uint32_t attrlen, bitmap[2]; |
3291 | int status; | |
3292 | ||
3293 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
3294 | goto xdr_error; | |
3295 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
3296 | goto xdr_error; | |
3297 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
3298 | goto xdr_error; | |
3299 | ||
3300 | fsinfo->rtmult = fsinfo->wtmult = 512; /* ??? */ | |
3301 | ||
3302 | if ((status = decode_attr_lease_time(xdr, bitmap, &fsinfo->lease_time)) != 0) | |
3303 | goto xdr_error; | |
3304 | if ((status = decode_attr_maxfilesize(xdr, bitmap, &fsinfo->maxfilesize)) != 0) | |
3305 | goto xdr_error; | |
3306 | if ((status = decode_attr_maxread(xdr, bitmap, &fsinfo->rtmax)) != 0) | |
3307 | goto xdr_error; | |
3308 | fsinfo->rtpref = fsinfo->dtpref = fsinfo->rtmax; | |
3309 | if ((status = decode_attr_maxwrite(xdr, bitmap, &fsinfo->wtmax)) != 0) | |
3310 | goto xdr_error; | |
3311 | fsinfo->wtpref = fsinfo->wtmax; | |
3312 | ||
3313 | status = verify_attr_len(xdr, savep, attrlen); | |
3314 | xdr_error: | |
3110ff80 | 3315 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
3316 | return status; |
3317 | } | |
3318 | ||
3319 | static int decode_getfh(struct xdr_stream *xdr, struct nfs_fh *fh) | |
3320 | { | |
8687b63a | 3321 | __be32 *p; |
1da177e4 LT |
3322 | uint32_t len; |
3323 | int status; | |
3324 | ||
9936781d TM |
3325 | /* Zero handle first to allow comparisons */ |
3326 | memset(fh, 0, sizeof(*fh)); | |
3327 | ||
1da177e4 LT |
3328 | status = decode_op_hdr(xdr, OP_GETFH); |
3329 | if (status) | |
3330 | return status; | |
1da177e4 LT |
3331 | |
3332 | READ_BUF(4); | |
3333 | READ32(len); | |
3334 | if (len > NFS4_FHSIZE) | |
3335 | return -EIO; | |
3336 | fh->size = len; | |
3337 | READ_BUF(len); | |
3338 | COPYMEM(fh->data, len); | |
3339 | return 0; | |
3340 | } | |
3341 | ||
3342 | static int decode_link(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
3343 | { | |
3344 | int status; | |
6c0195a4 | 3345 | |
1da177e4 LT |
3346 | status = decode_op_hdr(xdr, OP_LINK); |
3347 | if (status) | |
3348 | return status; | |
3349 | return decode_change_info(xdr, cinfo); | |
3350 | } | |
3351 | ||
3352 | /* | |
3353 | * We create the owner, so we know a proper owner.id length is 4. | |
3354 | */ | |
911d1aaf | 3355 | static int decode_lock_denied (struct xdr_stream *xdr, struct file_lock *fl) |
1da177e4 | 3356 | { |
911d1aaf | 3357 | uint64_t offset, length, clientid; |
8687b63a | 3358 | __be32 *p; |
911d1aaf | 3359 | uint32_t namelen, type; |
1da177e4 LT |
3360 | |
3361 | READ_BUF(32); | |
911d1aaf TM |
3362 | READ64(offset); |
3363 | READ64(length); | |
3364 | READ32(type); | |
3365 | if (fl != NULL) { | |
3366 | fl->fl_start = (loff_t)offset; | |
3367 | fl->fl_end = fl->fl_start + (loff_t)length - 1; | |
3368 | if (length == ~(uint64_t)0) | |
3369 | fl->fl_end = OFFSET_MAX; | |
3370 | fl->fl_type = F_WRLCK; | |
3371 | if (type & 1) | |
3372 | fl->fl_type = F_RDLCK; | |
3373 | fl->fl_pid = 0; | |
3374 | } | |
3375 | READ64(clientid); | |
1da177e4 LT |
3376 | READ32(namelen); |
3377 | READ_BUF(namelen); | |
1da177e4 LT |
3378 | return -NFS4ERR_DENIED; |
3379 | } | |
3380 | ||
911d1aaf | 3381 | static int decode_lock(struct xdr_stream *xdr, struct nfs_lock_res *res) |
1da177e4 | 3382 | { |
8687b63a | 3383 | __be32 *p; |
1da177e4 LT |
3384 | int status; |
3385 | ||
3386 | status = decode_op_hdr(xdr, OP_LOCK); | |
c1d51931 TM |
3387 | if (status == -EIO) |
3388 | goto out; | |
1da177e4 | 3389 | if (status == 0) { |
8ae20abd TM |
3390 | READ_BUF(NFS4_STATEID_SIZE); |
3391 | COPYMEM(res->stateid.data, NFS4_STATEID_SIZE); | |
1da177e4 | 3392 | } else if (status == -NFS4ERR_DENIED) |
c1d51931 TM |
3393 | status = decode_lock_denied(xdr, NULL); |
3394 | if (res->open_seqid != NULL) | |
3395 | nfs_increment_open_seqid(status, res->open_seqid); | |
3396 | nfs_increment_lock_seqid(status, res->lock_seqid); | |
3397 | out: | |
1da177e4 LT |
3398 | return status; |
3399 | } | |
3400 | ||
911d1aaf | 3401 | static int decode_lockt(struct xdr_stream *xdr, struct nfs_lockt_res *res) |
1da177e4 LT |
3402 | { |
3403 | int status; | |
3404 | status = decode_op_hdr(xdr, OP_LOCKT); | |
3405 | if (status == -NFS4ERR_DENIED) | |
911d1aaf | 3406 | return decode_lock_denied(xdr, res->denied); |
1da177e4 LT |
3407 | return status; |
3408 | } | |
3409 | ||
911d1aaf | 3410 | static int decode_locku(struct xdr_stream *xdr, struct nfs_locku_res *res) |
1da177e4 | 3411 | { |
8687b63a | 3412 | __be32 *p; |
1da177e4 LT |
3413 | int status; |
3414 | ||
3415 | status = decode_op_hdr(xdr, OP_LOCKU); | |
c1d51931 TM |
3416 | if (status != -EIO) |
3417 | nfs_increment_lock_seqid(status, res->seqid); | |
1da177e4 | 3418 | if (status == 0) { |
8ae20abd TM |
3419 | READ_BUF(NFS4_STATEID_SIZE); |
3420 | COPYMEM(res->stateid.data, NFS4_STATEID_SIZE); | |
1da177e4 LT |
3421 | } |
3422 | return status; | |
3423 | } | |
3424 | ||
3425 | static int decode_lookup(struct xdr_stream *xdr) | |
3426 | { | |
3427 | return decode_op_hdr(xdr, OP_LOOKUP); | |
3428 | } | |
3429 | ||
3430 | /* This is too sick! */ | |
3431 | static int decode_space_limit(struct xdr_stream *xdr, u64 *maxsize) | |
3432 | { | |
05d564fe | 3433 | __be32 *p; |
1da177e4 LT |
3434 | uint32_t limit_type, nblocks, blocksize; |
3435 | ||
3436 | READ_BUF(12); | |
3437 | READ32(limit_type); | |
3438 | switch (limit_type) { | |
05d564fe AA |
3439 | case 1: |
3440 | READ64(*maxsize); | |
3441 | break; | |
3442 | case 2: | |
3443 | READ32(nblocks); | |
3444 | READ32(blocksize); | |
3445 | *maxsize = (uint64_t)nblocks * (uint64_t)blocksize; | |
1da177e4 LT |
3446 | } |
3447 | return 0; | |
3448 | } | |
3449 | ||
3450 | static int decode_delegation(struct xdr_stream *xdr, struct nfs_openres *res) | |
3451 | { | |
05d564fe AA |
3452 | __be32 *p; |
3453 | uint32_t delegation_type; | |
1da177e4 LT |
3454 | |
3455 | READ_BUF(4); | |
3456 | READ32(delegation_type); | |
3457 | if (delegation_type == NFS4_OPEN_DELEGATE_NONE) { | |
3458 | res->delegation_type = 0; | |
3459 | return 0; | |
3460 | } | |
8ae20abd TM |
3461 | READ_BUF(NFS4_STATEID_SIZE+4); |
3462 | COPYMEM(res->delegation.data, NFS4_STATEID_SIZE); | |
1da177e4 | 3463 | READ32(res->do_recall); |
05d564fe | 3464 | |
1da177e4 | 3465 | switch (delegation_type) { |
05d564fe AA |
3466 | case NFS4_OPEN_DELEGATE_READ: |
3467 | res->delegation_type = FMODE_READ; | |
3468 | break; | |
3469 | case NFS4_OPEN_DELEGATE_WRITE: | |
3470 | res->delegation_type = FMODE_WRITE|FMODE_READ; | |
3471 | if (decode_space_limit(xdr, &res->maxsize) < 0) | |
1da177e4 LT |
3472 | return -EIO; |
3473 | } | |
7539bbab | 3474 | return decode_ace(xdr, NULL, res->server->nfs_client); |
1da177e4 LT |
3475 | } |
3476 | ||
3477 | static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res) | |
3478 | { | |
05d564fe | 3479 | __be32 *p; |
aa53ed54 | 3480 | uint32_t savewords, bmlen, i; |
05d564fe | 3481 | int status; |
1da177e4 | 3482 | |
05d564fe | 3483 | status = decode_op_hdr(xdr, OP_OPEN); |
c1d51931 TM |
3484 | if (status != -EIO) |
3485 | nfs_increment_open_seqid(status, res->seqid); | |
05d564fe AA |
3486 | if (status) |
3487 | return status; | |
3488 | READ_BUF(NFS4_STATEID_SIZE); | |
3489 | COPYMEM(res->stateid.data, NFS4_STATEID_SIZE); | |
1da177e4 | 3490 | |
05d564fe | 3491 | decode_change_info(xdr, &res->cinfo); |
1da177e4 | 3492 | |
05d564fe AA |
3493 | READ_BUF(8); |
3494 | READ32(res->rflags); | |
3495 | READ32(bmlen); | |
3496 | if (bmlen > 10) | |
3497 | goto xdr_error; | |
1da177e4 | 3498 | |
05d564fe | 3499 | READ_BUF(bmlen << 2); |
aa53ed54 JL |
3500 | savewords = min_t(uint32_t, bmlen, NFS4_BITMAP_SIZE); |
3501 | for (i = 0; i < savewords; ++i) | |
3502 | READ32(res->attrset[i]); | |
3503 | for (; i < NFS4_BITMAP_SIZE; i++) | |
3504 | res->attrset[i] = 0; | |
3505 | ||
1da177e4 LT |
3506 | return decode_delegation(xdr, res); |
3507 | xdr_error: | |
3110ff80 | 3508 | dprintk("%s: Bitmap too large! Length = %u\n", __func__, bmlen); |
1da177e4 LT |
3509 | return -EIO; |
3510 | } | |
3511 | ||
3512 | static int decode_open_confirm(struct xdr_stream *xdr, struct nfs_open_confirmres *res) | |
3513 | { | |
05d564fe | 3514 | __be32 *p; |
1da177e4 LT |
3515 | int status; |
3516 | ||
05d564fe | 3517 | status = decode_op_hdr(xdr, OP_OPEN_CONFIRM); |
c1d51931 TM |
3518 | if (status != -EIO) |
3519 | nfs_increment_open_seqid(status, res->seqid); | |
05d564fe AA |
3520 | if (status) |
3521 | return status; | |
3522 | READ_BUF(NFS4_STATEID_SIZE); | |
3523 | COPYMEM(res->stateid.data, NFS4_STATEID_SIZE); | |
3524 | return 0; | |
1da177e4 LT |
3525 | } |
3526 | ||
3527 | static int decode_open_downgrade(struct xdr_stream *xdr, struct nfs_closeres *res) | |
3528 | { | |
8687b63a | 3529 | __be32 *p; |
1da177e4 LT |
3530 | int status; |
3531 | ||
3532 | status = decode_op_hdr(xdr, OP_OPEN_DOWNGRADE); | |
c1d51931 TM |
3533 | if (status != -EIO) |
3534 | nfs_increment_open_seqid(status, res->seqid); | |
1da177e4 LT |
3535 | if (status) |
3536 | return status; | |
8ae20abd TM |
3537 | READ_BUF(NFS4_STATEID_SIZE); |
3538 | COPYMEM(res->stateid.data, NFS4_STATEID_SIZE); | |
1da177e4 LT |
3539 | return 0; |
3540 | } | |
3541 | ||
3542 | static int decode_putfh(struct xdr_stream *xdr) | |
3543 | { | |
3544 | return decode_op_hdr(xdr, OP_PUTFH); | |
3545 | } | |
3546 | ||
3547 | static int decode_putrootfh(struct xdr_stream *xdr) | |
3548 | { | |
3549 | return decode_op_hdr(xdr, OP_PUTROOTFH); | |
3550 | } | |
3551 | ||
3552 | static int decode_read(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs_readres *res) | |
3553 | { | |
3554 | struct kvec *iov = req->rq_rcv_buf.head; | |
8687b63a | 3555 | __be32 *p; |
1da177e4 LT |
3556 | uint32_t count, eof, recvd, hdrlen; |
3557 | int status; | |
3558 | ||
3559 | status = decode_op_hdr(xdr, OP_READ); | |
3560 | if (status) | |
3561 | return status; | |
3562 | READ_BUF(8); | |
3563 | READ32(eof); | |
3564 | READ32(count); | |
3565 | hdrlen = (u8 *) p - (u8 *) iov->iov_base; | |
3566 | recvd = req->rq_rcv_buf.len - hdrlen; | |
3567 | if (count > recvd) { | |
fe82a183 | 3568 | dprintk("NFS: server cheating in read reply: " |
1da177e4 LT |
3569 | "count %u > recvd %u\n", count, recvd); |
3570 | count = recvd; | |
3571 | eof = 0; | |
3572 | } | |
3573 | xdr_read_pages(xdr, count); | |
3574 | res->eof = eof; | |
3575 | res->count = count; | |
3576 | return 0; | |
3577 | } | |
3578 | ||
3579 | static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs4_readdir_res *readdir) | |
3580 | { | |
3581 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; | |
3582 | struct page *page = *rcvbuf->pages; | |
3583 | struct kvec *iov = rcvbuf->head; | |
bcecff77 CL |
3584 | size_t hdrlen; |
3585 | u32 recvd, pglen = rcvbuf->page_len; | |
8687b63a | 3586 | __be32 *end, *entry, *p, *kaddr; |
7bda2cdf | 3587 | unsigned int nr = 0; |
bcecff77 | 3588 | int status; |
1da177e4 LT |
3589 | |
3590 | status = decode_op_hdr(xdr, OP_READDIR); | |
3591 | if (status) | |
3592 | return status; | |
3593 | READ_BUF(8); | |
3594 | COPYMEM(readdir->verifier.data, 8); | |
44109241 FI |
3595 | dprintk("%s: verifier = %08x:%08x\n", |
3596 | __func__, | |
eadf4598 TM |
3597 | ((u32 *)readdir->verifier.data)[0], |
3598 | ((u32 *)readdir->verifier.data)[1]); | |
3599 | ||
1da177e4 LT |
3600 | |
3601 | hdrlen = (char *) p - (char *) iov->iov_base; | |
3602 | recvd = rcvbuf->len - hdrlen; | |
3603 | if (pglen > recvd) | |
3604 | pglen = recvd; | |
3605 | xdr_read_pages(xdr, pglen); | |
3606 | ||
3607 | BUG_ON(pglen + readdir->pgbase > PAGE_CACHE_SIZE); | |
8687b63a | 3608 | kaddr = p = kmap_atomic(page, KM_USER0); |
e8896495 | 3609 | end = p + ((pglen + readdir->pgbase) >> 2); |
1da177e4 | 3610 | entry = p; |
7bda2cdf JL |
3611 | |
3612 | /* Make sure the packet actually has a value_follows and EOF entry */ | |
3613 | if ((entry + 1) > end) | |
3614 | goto short_pkt; | |
3615 | ||
3616 | for (; *p++; nr++) { | |
bcecff77 | 3617 | u32 len, attrlen, xlen; |
e8896495 | 3618 | if (end - p < 3) |
1da177e4 | 3619 | goto short_pkt; |
eadf4598 | 3620 | dprintk("cookie = %Lu, ", *((unsigned long long *)p)); |
1da177e4 LT |
3621 | p += 2; /* cookie */ |
3622 | len = ntohl(*p++); /* filename length */ | |
3623 | if (len > NFS4_MAXNAMLEN) { | |
fe82a183 CL |
3624 | dprintk("NFS: giant filename in readdir (len 0x%x)\n", |
3625 | len); | |
1da177e4 LT |
3626 | goto err_unmap; |
3627 | } | |
e8896495 DH |
3628 | xlen = XDR_QUADLEN(len); |
3629 | if (end - p < xlen + 1) | |
1da177e4 | 3630 | goto short_pkt; |
e8896495 DH |
3631 | dprintk("filename = %*s\n", len, (char *)p); |
3632 | p += xlen; | |
1da177e4 | 3633 | len = ntohl(*p++); /* bitmap length */ |
e8896495 | 3634 | if (end - p < len + 1) |
1da177e4 | 3635 | goto short_pkt; |
e8896495 | 3636 | p += len; |
1da177e4 | 3637 | attrlen = XDR_QUADLEN(ntohl(*p++)); |
e8896495 | 3638 | if (end - p < attrlen + 2) |
1da177e4 | 3639 | goto short_pkt; |
e8896495 | 3640 | p += attrlen; /* attributes */ |
1da177e4 LT |
3641 | entry = p; |
3642 | } | |
7bda2cdf JL |
3643 | /* |
3644 | * Apparently some server sends responses that are a valid size, but | |
3645 | * contain no entries, and have value_follows==0 and EOF==0. For | |
3646 | * those, just set the EOF marker. | |
3647 | */ | |
3648 | if (!nr && entry[1] == 0) { | |
3649 | dprintk("NFS: readdir reply truncated!\n"); | |
3650 | entry[1] = 1; | |
3651 | } | |
6c0195a4 | 3652 | out: |
1da177e4 LT |
3653 | kunmap_atomic(kaddr, KM_USER0); |
3654 | return 0; | |
3655 | short_pkt: | |
7bda2cdf JL |
3656 | /* |
3657 | * When we get a short packet there are 2 possibilities. We can | |
3658 | * return an error, or fix up the response to look like a valid | |
3659 | * response and return what we have so far. If there are no | |
3660 | * entries and the packet was short, then return -EIO. If there | |
3661 | * are valid entries in the response, return them and pretend that | |
3662 | * the call was successful, but incomplete. The caller can retry the | |
3663 | * readdir starting at the last cookie. | |
3664 | */ | |
3110ff80 | 3665 | dprintk("%s: short packet at entry %d\n", __func__, nr); |
1da177e4 | 3666 | entry[0] = entry[1] = 0; |
7bda2cdf JL |
3667 | if (nr) |
3668 | goto out; | |
1da177e4 LT |
3669 | err_unmap: |
3670 | kunmap_atomic(kaddr, KM_USER0); | |
3671 | return -errno_NFSERR_IO; | |
3672 | } | |
3673 | ||
3674 | static int decode_readlink(struct xdr_stream *xdr, struct rpc_rqst *req) | |
3675 | { | |
3676 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; | |
3677 | struct kvec *iov = rcvbuf->head; | |
bcecff77 CL |
3678 | size_t hdrlen; |
3679 | u32 len, recvd; | |
8687b63a | 3680 | __be32 *p; |
1da177e4 LT |
3681 | char *kaddr; |
3682 | int status; | |
3683 | ||
3684 | status = decode_op_hdr(xdr, OP_READLINK); | |
3685 | if (status) | |
3686 | return status; | |
3687 | ||
3688 | /* Convert length of symlink */ | |
3689 | READ_BUF(4); | |
3690 | READ32(len); | |
3691 | if (len >= rcvbuf->page_len || len <= 0) { | |
fe82a183 | 3692 | dprintk("nfs: server returned giant symlink!\n"); |
1da177e4 LT |
3693 | return -ENAMETOOLONG; |
3694 | } | |
3695 | hdrlen = (char *) xdr->p - (char *) iov->iov_base; | |
3696 | recvd = req->rq_rcv_buf.len - hdrlen; | |
3697 | if (recvd < len) { | |
fe82a183 | 3698 | dprintk("NFS: server cheating in readlink reply: " |
1da177e4 LT |
3699 | "count %u > recvd %u\n", len, recvd); |
3700 | return -EIO; | |
3701 | } | |
3702 | xdr_read_pages(xdr, len); | |
3703 | /* | |
3704 | * The XDR encode routine has set things up so that | |
3705 | * the link text will be copied directly into the | |
3706 | * buffer. We just have to do overflow-checking, | |
3707 | * and and null-terminate the text (the VFS expects | |
3708 | * null-termination). | |
3709 | */ | |
3710 | kaddr = (char *)kmap_atomic(rcvbuf->pages[0], KM_USER0); | |
3711 | kaddr[len+rcvbuf->page_base] = '\0'; | |
3712 | kunmap_atomic(kaddr, KM_USER0); | |
3713 | return 0; | |
3714 | } | |
3715 | ||
3716 | static int decode_remove(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
3717 | { | |
3718 | int status; | |
3719 | ||
3720 | status = decode_op_hdr(xdr, OP_REMOVE); | |
3721 | if (status) | |
3722 | goto out; | |
3723 | status = decode_change_info(xdr, cinfo); | |
3724 | out: | |
3725 | return status; | |
3726 | } | |
3727 | ||
3728 | static int decode_rename(struct xdr_stream *xdr, struct nfs4_change_info *old_cinfo, | |
3729 | struct nfs4_change_info *new_cinfo) | |
3730 | { | |
3731 | int status; | |
3732 | ||
3733 | status = decode_op_hdr(xdr, OP_RENAME); | |
3734 | if (status) | |
3735 | goto out; | |
3736 | if ((status = decode_change_info(xdr, old_cinfo))) | |
3737 | goto out; | |
3738 | status = decode_change_info(xdr, new_cinfo); | |
3739 | out: | |
3740 | return status; | |
3741 | } | |
3742 | ||
3743 | static int decode_renew(struct xdr_stream *xdr) | |
3744 | { | |
3745 | return decode_op_hdr(xdr, OP_RENEW); | |
3746 | } | |
3747 | ||
56ae19f3 TM |
3748 | static int |
3749 | decode_restorefh(struct xdr_stream *xdr) | |
3750 | { | |
3751 | return decode_op_hdr(xdr, OP_RESTOREFH); | |
3752 | } | |
3753 | ||
029d105e BF |
3754 | static int decode_getacl(struct xdr_stream *xdr, struct rpc_rqst *req, |
3755 | size_t *acl_len) | |
3756 | { | |
8687b63a | 3757 | __be32 *savep; |
029d105e BF |
3758 | uint32_t attrlen, |
3759 | bitmap[2] = {0}; | |
3760 | struct kvec *iov = req->rq_rcv_buf.head; | |
3761 | int status; | |
3762 | ||
3763 | *acl_len = 0; | |
3764 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
3765 | goto out; | |
3766 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
3767 | goto out; | |
3768 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
3769 | goto out; | |
3770 | ||
3771 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACL - 1U))) | |
3772 | return -EIO; | |
3773 | if (likely(bitmap[0] & FATTR4_WORD0_ACL)) { | |
bcecff77 CL |
3774 | size_t hdrlen; |
3775 | u32 recvd; | |
029d105e BF |
3776 | |
3777 | /* We ignore &savep and don't do consistency checks on | |
3778 | * the attr length. Let userspace figure it out.... */ | |
3779 | hdrlen = (u8 *)xdr->p - (u8 *)iov->iov_base; | |
3780 | recvd = req->rq_rcv_buf.len - hdrlen; | |
3781 | if (attrlen > recvd) { | |
fe82a183 | 3782 | dprintk("NFS: server cheating in getattr" |
029d105e BF |
3783 | " acl reply: attrlen %u > recvd %u\n", |
3784 | attrlen, recvd); | |
3785 | return -EINVAL; | |
3786 | } | |
c04871e6 | 3787 | xdr_read_pages(xdr, attrlen); |
029d105e | 3788 | *acl_len = attrlen; |
8c233cf9 BF |
3789 | } else |
3790 | status = -EOPNOTSUPP; | |
029d105e BF |
3791 | |
3792 | out: | |
3793 | return status; | |
3794 | } | |
3795 | ||
1da177e4 LT |
3796 | static int |
3797 | decode_savefh(struct xdr_stream *xdr) | |
3798 | { | |
3799 | return decode_op_hdr(xdr, OP_SAVEFH); | |
3800 | } | |
3801 | ||
9e9ecc03 | 3802 | static int decode_setattr(struct xdr_stream *xdr) |
1da177e4 | 3803 | { |
8687b63a | 3804 | __be32 *p; |
1da177e4 LT |
3805 | uint32_t bmlen; |
3806 | int status; | |
3807 | ||
1da177e4 LT |
3808 | status = decode_op_hdr(xdr, OP_SETATTR); |
3809 | if (status) | |
3810 | return status; | |
3811 | READ_BUF(4); | |
3812 | READ32(bmlen); | |
3813 | READ_BUF(bmlen << 2); | |
3814 | return 0; | |
3815 | } | |
3816 | ||
adfa6f98 | 3817 | static int decode_setclientid(struct xdr_stream *xdr, struct nfs_client *clp) |
1da177e4 | 3818 | { |
8687b63a | 3819 | __be32 *p; |
1da177e4 LT |
3820 | uint32_t opnum; |
3821 | int32_t nfserr; | |
3822 | ||
3823 | READ_BUF(8); | |
3824 | READ32(opnum); | |
3825 | if (opnum != OP_SETCLIENTID) { | |
fe82a183 | 3826 | dprintk("nfs: decode_setclientid: Server returned operation" |
6c0195a4 | 3827 | " %d\n", opnum); |
1da177e4 LT |
3828 | return -EIO; |
3829 | } | |
3830 | READ32(nfserr); | |
3831 | if (nfserr == NFS_OK) { | |
8ae20abd | 3832 | READ_BUF(8 + NFS4_VERIFIER_SIZE); |
1da177e4 | 3833 | READ64(clp->cl_clientid); |
8ae20abd | 3834 | COPYMEM(clp->cl_confirm.data, NFS4_VERIFIER_SIZE); |
1da177e4 LT |
3835 | } else if (nfserr == NFSERR_CLID_INUSE) { |
3836 | uint32_t len; | |
3837 | ||
3838 | /* skip netid string */ | |
3839 | READ_BUF(4); | |
3840 | READ32(len); | |
3841 | READ_BUF(len); | |
3842 | ||
3843 | /* skip uaddr string */ | |
3844 | READ_BUF(4); | |
3845 | READ32(len); | |
3846 | READ_BUF(len); | |
3847 | return -NFSERR_CLID_INUSE; | |
3848 | } else | |
856dff3d | 3849 | return nfs4_stat_to_errno(nfserr); |
1da177e4 LT |
3850 | |
3851 | return 0; | |
3852 | } | |
3853 | ||
3854 | static int decode_setclientid_confirm(struct xdr_stream *xdr) | |
3855 | { | |
3856 | return decode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM); | |
3857 | } | |
3858 | ||
3859 | static int decode_write(struct xdr_stream *xdr, struct nfs_writeres *res) | |
3860 | { | |
8687b63a | 3861 | __be32 *p; |
1da177e4 LT |
3862 | int status; |
3863 | ||
3864 | status = decode_op_hdr(xdr, OP_WRITE); | |
3865 | if (status) | |
3866 | return status; | |
3867 | ||
3868 | READ_BUF(16); | |
3869 | READ32(res->count); | |
3870 | READ32(res->verf->committed); | |
3871 | COPYMEM(res->verf->verifier, 8); | |
3872 | return 0; | |
3873 | } | |
3874 | ||
3875 | static int decode_delegreturn(struct xdr_stream *xdr) | |
3876 | { | |
3877 | return decode_op_hdr(xdr, OP_DELEGRETURN); | |
3878 | } | |
3879 | ||
9b7b9fcc AA |
3880 | static int decode_sequence(struct xdr_stream *xdr, |
3881 | struct nfs4_sequence_res *res, | |
3882 | struct rpc_rqst *rqstp) | |
3883 | { | |
3884 | #if defined(CONFIG_NFS_V4_1) | |
3885 | if (!res->sr_session) | |
3886 | return 0; | |
3887 | ||
3888 | /* stub */ | |
3889 | #endif /* CONFIG_NFS_V4_1 */ | |
3890 | ||
3891 | return 0; | |
3892 | } | |
3893 | ||
49c2559e BH |
3894 | /* |
3895 | * END OF "GENERIC" DECODE ROUTINES. | |
3896 | */ | |
3897 | ||
1da177e4 LT |
3898 | /* |
3899 | * Decode OPEN_DOWNGRADE response | |
3900 | */ | |
8687b63a | 3901 | static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst *rqstp, __be32 *p, struct nfs_closeres *res) |
1da177e4 | 3902 | { |
05d564fe AA |
3903 | struct xdr_stream xdr; |
3904 | struct compound_hdr hdr; | |
3905 | int status; | |
3906 | ||
3907 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
3908 | status = decode_compound_hdr(&xdr, &hdr); | |
9b7b9fcc AA |
3909 | if (status) |
3910 | goto out; | |
3911 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
05d564fe AA |
3912 | if (status) |
3913 | goto out; | |
3914 | status = decode_putfh(&xdr); | |
3915 | if (status) | |
3916 | goto out; | |
3917 | status = decode_open_downgrade(&xdr, res); | |
516a6af6 TM |
3918 | if (status != 0) |
3919 | goto out; | |
3920 | decode_getfattr(&xdr, res->fattr, res->server); | |
1da177e4 | 3921 | out: |
05d564fe | 3922 | return status; |
1da177e4 LT |
3923 | } |
3924 | ||
1da177e4 LT |
3925 | /* |
3926 | * Decode ACCESS response | |
3927 | */ | |
8687b63a | 3928 | static int nfs4_xdr_dec_access(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_accessres *res) |
1da177e4 LT |
3929 | { |
3930 | struct xdr_stream xdr; | |
3931 | struct compound_hdr hdr; | |
3932 | int status; | |
6c0195a4 | 3933 | |
1da177e4 | 3934 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
9b7b9fcc AA |
3935 | status = decode_compound_hdr(&xdr, &hdr); |
3936 | if (status) | |
3937 | goto out; | |
3938 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
3939 | if (status) | |
1da177e4 | 3940 | goto out; |
76b32999 TM |
3941 | status = decode_putfh(&xdr); |
3942 | if (status != 0) | |
3943 | goto out; | |
3944 | status = decode_access(&xdr, res); | |
3945 | if (status != 0) | |
3946 | goto out; | |
3947 | decode_getfattr(&xdr, res->fattr, res->server); | |
1da177e4 LT |
3948 | out: |
3949 | return status; | |
3950 | } | |
3951 | ||
3952 | /* | |
3953 | * Decode LOOKUP response | |
3954 | */ | |
8687b63a | 3955 | static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_lookup_res *res) |
1da177e4 LT |
3956 | { |
3957 | struct xdr_stream xdr; | |
3958 | struct compound_hdr hdr; | |
3959 | int status; | |
6c0195a4 | 3960 | |
1da177e4 | 3961 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
9b7b9fcc AA |
3962 | status = decode_compound_hdr(&xdr, &hdr); |
3963 | if (status) | |
3964 | goto out; | |
3965 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
3966 | if (status) | |
1da177e4 LT |
3967 | goto out; |
3968 | if ((status = decode_putfh(&xdr)) != 0) | |
3969 | goto out; | |
3970 | if ((status = decode_lookup(&xdr)) != 0) | |
3971 | goto out; | |
3972 | if ((status = decode_getfh(&xdr, res->fh)) != 0) | |
3973 | goto out; | |
3974 | status = decode_getfattr(&xdr, res->fattr, res->server); | |
3975 | out: | |
3976 | return status; | |
3977 | } | |
3978 | ||
3979 | /* | |
3980 | * Decode LOOKUP_ROOT response | |
3981 | */ | |
8687b63a | 3982 | static int nfs4_xdr_dec_lookup_root(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_lookup_res *res) |
1da177e4 LT |
3983 | { |
3984 | struct xdr_stream xdr; | |
3985 | struct compound_hdr hdr; | |
3986 | int status; | |
6c0195a4 | 3987 | |
1da177e4 | 3988 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
9b7b9fcc AA |
3989 | status = decode_compound_hdr(&xdr, &hdr); |
3990 | if (status) | |
3991 | goto out; | |
3992 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
3993 | if (status) | |
1da177e4 LT |
3994 | goto out; |
3995 | if ((status = decode_putrootfh(&xdr)) != 0) | |
3996 | goto out; | |
3997 | if ((status = decode_getfh(&xdr, res->fh)) == 0) | |
3998 | status = decode_getfattr(&xdr, res->fattr, res->server); | |
3999 | out: | |
4000 | return status; | |
4001 | } | |
4002 | ||
4003 | /* | |
4004 | * Decode REMOVE response | |
4005 | */ | |
4fdc17b2 | 4006 | static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, __be32 *p, struct nfs_removeres *res) |
1da177e4 LT |
4007 | { |
4008 | struct xdr_stream xdr; | |
4009 | struct compound_hdr hdr; | |
4010 | int status; | |
6c0195a4 | 4011 | |
1da177e4 | 4012 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
9b7b9fcc AA |
4013 | status = decode_compound_hdr(&xdr, &hdr); |
4014 | if (status) | |
4015 | goto out; | |
4016 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
4017 | if (status) | |
1da177e4 | 4018 | goto out; |
16e42959 TM |
4019 | if ((status = decode_putfh(&xdr)) != 0) |
4020 | goto out; | |
4021 | if ((status = decode_remove(&xdr, &res->cinfo)) != 0) | |
4022 | goto out; | |
4fdc17b2 | 4023 | decode_getfattr(&xdr, &res->dir_attr, res->server); |
1da177e4 LT |
4024 | out: |
4025 | return status; | |
4026 | } | |
4027 | ||
4028 | /* | |
4029 | * Decode RENAME response | |
4030 | */ | |
8687b63a | 4031 | static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_rename_res *res) |
1da177e4 LT |
4032 | { |
4033 | struct xdr_stream xdr; | |
4034 | struct compound_hdr hdr; | |
4035 | int status; | |
6c0195a4 | 4036 | |
1da177e4 | 4037 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
9b7b9fcc AA |
4038 | status = decode_compound_hdr(&xdr, &hdr); |
4039 | if (status) | |
4040 | goto out; | |
4041 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
4042 | if (status) | |
1da177e4 LT |
4043 | goto out; |
4044 | if ((status = decode_putfh(&xdr)) != 0) | |
4045 | goto out; | |
4046 | if ((status = decode_savefh(&xdr)) != 0) | |
4047 | goto out; | |
4048 | if ((status = decode_putfh(&xdr)) != 0) | |
4049 | goto out; | |
6caf2c82 TM |
4050 | if ((status = decode_rename(&xdr, &res->old_cinfo, &res->new_cinfo)) != 0) |
4051 | goto out; | |
4052 | /* Current FH is target directory */ | |
4053 | if (decode_getfattr(&xdr, res->new_fattr, res->server) != 0) | |
4054 | goto out; | |
4055 | if ((status = decode_restorefh(&xdr)) != 0) | |
4056 | goto out; | |
4057 | decode_getfattr(&xdr, res->old_fattr, res->server); | |
1da177e4 LT |
4058 | out: |
4059 | return status; | |
4060 | } | |
4061 | ||
4062 | /* | |
4063 | * Decode LINK response | |
4064 | */ | |
8687b63a | 4065 | static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_link_res *res) |
1da177e4 LT |
4066 | { |
4067 | struct xdr_stream xdr; | |
4068 | struct compound_hdr hdr; | |
4069 | int status; | |
6c0195a4 | 4070 | |
1da177e4 | 4071 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
9b7b9fcc AA |
4072 | status = decode_compound_hdr(&xdr, &hdr); |
4073 | if (status) | |
4074 | goto out; | |
4075 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
4076 | if (status) | |
1da177e4 LT |
4077 | goto out; |
4078 | if ((status = decode_putfh(&xdr)) != 0) | |
4079 | goto out; | |
4080 | if ((status = decode_savefh(&xdr)) != 0) | |
4081 | goto out; | |
4082 | if ((status = decode_putfh(&xdr)) != 0) | |
4083 | goto out; | |
91ba2eee TM |
4084 | if ((status = decode_link(&xdr, &res->cinfo)) != 0) |
4085 | goto out; | |
4086 | /* | |
4087 | * Note order: OP_LINK leaves the directory as the current | |
4088 | * filehandle. | |
4089 | */ | |
4090 | if (decode_getfattr(&xdr, res->dir_attr, res->server) != 0) | |
4091 | goto out; | |
4092 | if ((status = decode_restorefh(&xdr)) != 0) | |
4093 | goto out; | |
4094 | decode_getfattr(&xdr, res->fattr, res->server); | |
1da177e4 LT |
4095 | out: |
4096 | return status; | |
4097 | } | |
4098 | ||
4099 | /* | |
4100 | * Decode CREATE response | |
4101 | */ | |
8687b63a | 4102 | static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_create_res *res) |
1da177e4 LT |
4103 | { |
4104 | struct xdr_stream xdr; | |
4105 | struct compound_hdr hdr; | |
4106 | int status; | |
6c0195a4 | 4107 | |
1da177e4 | 4108 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
9b7b9fcc AA |
4109 | status = decode_compound_hdr(&xdr, &hdr); |
4110 | if (status) | |
4111 | goto out; | |
4112 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
4113 | if (status) | |
1da177e4 LT |
4114 | goto out; |
4115 | if ((status = decode_putfh(&xdr)) != 0) | |
4116 | goto out; | |
56ae19f3 TM |
4117 | if ((status = decode_savefh(&xdr)) != 0) |
4118 | goto out; | |
1da177e4 LT |
4119 | if ((status = decode_create(&xdr,&res->dir_cinfo)) != 0) |
4120 | goto out; | |
4121 | if ((status = decode_getfh(&xdr, res->fh)) != 0) | |
4122 | goto out; | |
56ae19f3 TM |
4123 | if (decode_getfattr(&xdr, res->fattr, res->server) != 0) |
4124 | goto out; | |
4125 | if ((status = decode_restorefh(&xdr)) != 0) | |
4126 | goto out; | |
4127 | decode_getfattr(&xdr, res->dir_fattr, res->server); | |
1da177e4 LT |
4128 | out: |
4129 | return status; | |
4130 | } | |
4131 | ||
4132 | /* | |
4133 | * Decode SYMLINK response | |
4134 | */ | |
8687b63a | 4135 | static int nfs4_xdr_dec_symlink(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_create_res *res) |
1da177e4 LT |
4136 | { |
4137 | return nfs4_xdr_dec_create(rqstp, p, res); | |
4138 | } | |
4139 | ||
4140 | /* | |
4141 | * Decode GETATTR response | |
4142 | */ | |
8687b63a | 4143 | static int nfs4_xdr_dec_getattr(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_getattr_res *res) |
1da177e4 LT |
4144 | { |
4145 | struct xdr_stream xdr; | |
4146 | struct compound_hdr hdr; | |
4147 | int status; | |
6c0195a4 | 4148 | |
1da177e4 LT |
4149 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
4150 | status = decode_compound_hdr(&xdr, &hdr); | |
9b7b9fcc AA |
4151 | if (status) |
4152 | goto out; | |
4153 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
1da177e4 LT |
4154 | if (status) |
4155 | goto out; | |
4156 | status = decode_putfh(&xdr); | |
4157 | if (status) | |
4158 | goto out; | |
4159 | status = decode_getfattr(&xdr, res->fattr, res->server); | |
4160 | out: | |
4161 | return status; | |
1da177e4 LT |
4162 | } |
4163 | ||
23ec6965 BF |
4164 | /* |
4165 | * Encode an SETACL request | |
4166 | */ | |
4167 | static int | |
8687b63a | 4168 | nfs4_xdr_enc_setacl(struct rpc_rqst *req, __be32 *p, struct nfs_setaclargs *args) |
23ec6965 | 4169 | { |
05d564fe AA |
4170 | struct xdr_stream xdr; |
4171 | struct compound_hdr hdr = { | |
66cc0429 | 4172 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe AA |
4173 | }; |
4174 | int status; | |
4175 | ||
4176 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
0c4e8c18 | 4177 | encode_compound_hdr(&xdr, req, &hdr); |
9b7b9fcc | 4178 | encode_sequence(&xdr, &args->seq_args, &hdr); |
cf8cdbe5 | 4179 | encode_putfh(&xdr, args->fh, &hdr); |
d017931c | 4180 | status = encode_setacl(&xdr, args, &hdr); |
d017931c | 4181 | encode_nops(&hdr); |
05d564fe | 4182 | return status; |
23ec6965 | 4183 | } |
05d564fe | 4184 | |
23ec6965 BF |
4185 | /* |
4186 | * Decode SETACL response | |
4187 | */ | |
4188 | static int | |
73c403a9 BH |
4189 | nfs4_xdr_dec_setacl(struct rpc_rqst *rqstp, __be32 *p, |
4190 | struct nfs_setaclres *res) | |
23ec6965 BF |
4191 | { |
4192 | struct xdr_stream xdr; | |
4193 | struct compound_hdr hdr; | |
4194 | int status; | |
4195 | ||
4196 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
4197 | status = decode_compound_hdr(&xdr, &hdr); | |
9b7b9fcc AA |
4198 | if (status) |
4199 | goto out; | |
4200 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
23ec6965 BF |
4201 | if (status) |
4202 | goto out; | |
4203 | status = decode_putfh(&xdr); | |
4204 | if (status) | |
4205 | goto out; | |
9e9ecc03 | 4206 | status = decode_setattr(&xdr); |
23ec6965 BF |
4207 | out: |
4208 | return status; | |
4209 | } | |
1da177e4 | 4210 | |
029d105e BF |
4211 | /* |
4212 | * Decode GETACL response | |
4213 | */ | |
4214 | static int | |
663c79b3 BH |
4215 | nfs4_xdr_dec_getacl(struct rpc_rqst *rqstp, __be32 *p, |
4216 | struct nfs_getaclres *res) | |
029d105e BF |
4217 | { |
4218 | struct xdr_stream xdr; | |
4219 | struct compound_hdr hdr; | |
4220 | int status; | |
4221 | ||
4222 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
4223 | status = decode_compound_hdr(&xdr, &hdr); | |
9b7b9fcc AA |
4224 | if (status) |
4225 | goto out; | |
4226 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
029d105e BF |
4227 | if (status) |
4228 | goto out; | |
4229 | status = decode_putfh(&xdr); | |
4230 | if (status) | |
4231 | goto out; | |
663c79b3 | 4232 | status = decode_getacl(&xdr, rqstp, &res->acl_len); |
029d105e BF |
4233 | |
4234 | out: | |
4235 | return status; | |
4236 | } | |
4237 | ||
1da177e4 LT |
4238 | /* |
4239 | * Decode CLOSE response | |
4240 | */ | |
8687b63a | 4241 | static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, __be32 *p, struct nfs_closeres *res) |
1da177e4 | 4242 | { |
05d564fe AA |
4243 | struct xdr_stream xdr; |
4244 | struct compound_hdr hdr; | |
4245 | int status; | |
4246 | ||
4247 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
4248 | status = decode_compound_hdr(&xdr, &hdr); | |
9b7b9fcc AA |
4249 | if (status) |
4250 | goto out; | |
4251 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
05d564fe AA |
4252 | if (status) |
4253 | goto out; | |
4254 | status = decode_putfh(&xdr); | |
4255 | if (status) | |
4256 | goto out; | |
4257 | status = decode_close(&xdr, res); | |
516a6af6 TM |
4258 | if (status != 0) |
4259 | goto out; | |
4260 | /* | |
4261 | * Note: Server may do delete on close for this file | |
4262 | * in which case the getattr call will fail with | |
4263 | * an ESTALE error. Shouldn't be a problem, | |
4264 | * though, since fattr->valid will remain unset. | |
4265 | */ | |
4266 | decode_getfattr(&xdr, res->fattr, res->server); | |
1da177e4 | 4267 | out: |
05d564fe | 4268 | return status; |
1da177e4 LT |
4269 | } |
4270 | ||
4271 | /* | |
4272 | * Decode OPEN response | |
4273 | */ | |
8687b63a | 4274 | static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, __be32 *p, struct nfs_openres *res) |
1da177e4 | 4275 | { |
05d564fe AA |
4276 | struct xdr_stream xdr; |
4277 | struct compound_hdr hdr; | |
4278 | int status; | |
4279 | ||
4280 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
4281 | status = decode_compound_hdr(&xdr, &hdr); | |
9b7b9fcc AA |
4282 | if (status) |
4283 | goto out; | |
4284 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
05d564fe AA |
4285 | if (status) |
4286 | goto out; | |
4287 | status = decode_putfh(&xdr); | |
4288 | if (status) | |
4289 | goto out; | |
4290 | status = decode_savefh(&xdr); | |
4291 | if (status) | |
4292 | goto out; | |
4293 | status = decode_open(&xdr, res); | |
56ae19f3 TM |
4294 | if (status) |
4295 | goto out; | |
9936781d | 4296 | if (decode_getfh(&xdr, &res->fh) != 0) |
1da177e4 | 4297 | goto out; |
56ae19f3 TM |
4298 | if (decode_getfattr(&xdr, res->f_attr, res->server) != 0) |
4299 | goto out; | |
365c8f58 | 4300 | if (decode_restorefh(&xdr) != 0) |
56ae19f3 TM |
4301 | goto out; |
4302 | decode_getfattr(&xdr, res->dir_attr, res->server); | |
1da177e4 | 4303 | out: |
05d564fe | 4304 | return status; |
1da177e4 LT |
4305 | } |
4306 | ||
4307 | /* | |
4308 | * Decode OPEN_CONFIRM response | |
4309 | */ | |
8687b63a | 4310 | static int nfs4_xdr_dec_open_confirm(struct rpc_rqst *rqstp, __be32 *p, struct nfs_open_confirmres *res) |
1da177e4 | 4311 | { |
05d564fe AA |
4312 | struct xdr_stream xdr; |
4313 | struct compound_hdr hdr; | |
4314 | int status; | |
4315 | ||
4316 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
4317 | status = decode_compound_hdr(&xdr, &hdr); | |
4318 | if (status) | |
4319 | goto out; | |
4320 | status = decode_putfh(&xdr); | |
4321 | if (status) | |
4322 | goto out; | |
4323 | status = decode_open_confirm(&xdr, res); | |
1da177e4 | 4324 | out: |
05d564fe | 4325 | return status; |
1da177e4 LT |
4326 | } |
4327 | ||
4328 | /* | |
4329 | * Decode OPEN response | |
4330 | */ | |
8687b63a | 4331 | static int nfs4_xdr_dec_open_noattr(struct rpc_rqst *rqstp, __be32 *p, struct nfs_openres *res) |
1da177e4 | 4332 | { |
05d564fe AA |
4333 | struct xdr_stream xdr; |
4334 | struct compound_hdr hdr; | |
4335 | int status; | |
4336 | ||
4337 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
4338 | status = decode_compound_hdr(&xdr, &hdr); | |
9b7b9fcc AA |
4339 | if (status) |
4340 | goto out; | |
4341 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
05d564fe AA |
4342 | if (status) |
4343 | goto out; | |
4344 | status = decode_putfh(&xdr); | |
4345 | if (status) | |
4346 | goto out; | |
4347 | status = decode_open(&xdr, res); | |
4348 | if (status) | |
4349 | goto out; | |
864472e9 | 4350 | decode_getfattr(&xdr, res->f_attr, res->server); |
1da177e4 | 4351 | out: |
05d564fe | 4352 | return status; |
1da177e4 LT |
4353 | } |
4354 | ||
4355 | /* | |
4356 | * Decode SETATTR response | |
4357 | */ | |
8687b63a | 4358 | static int nfs4_xdr_dec_setattr(struct rpc_rqst *rqstp, __be32 *p, struct nfs_setattrres *res) |
1da177e4 | 4359 | { |
05d564fe AA |
4360 | struct xdr_stream xdr; |
4361 | struct compound_hdr hdr; | |
4362 | int status; | |
4363 | ||
4364 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
4365 | status = decode_compound_hdr(&xdr, &hdr); | |
9b7b9fcc AA |
4366 | if (status) |
4367 | goto out; | |
4368 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
05d564fe AA |
4369 | if (status) |
4370 | goto out; | |
4371 | status = decode_putfh(&xdr); | |
4372 | if (status) | |
4373 | goto out; | |
9e9ecc03 | 4374 | status = decode_setattr(&xdr); |
05d564fe AA |
4375 | if (status) |
4376 | goto out; | |
78f945f8 | 4377 | decode_getfattr(&xdr, res->fattr, res->server); |
1da177e4 | 4378 | out: |
05d564fe | 4379 | return status; |
1da177e4 LT |
4380 | } |
4381 | ||
4382 | /* | |
4383 | * Decode LOCK response | |
4384 | */ | |
8687b63a | 4385 | static int nfs4_xdr_dec_lock(struct rpc_rqst *rqstp, __be32 *p, struct nfs_lock_res *res) |
1da177e4 LT |
4386 | { |
4387 | struct xdr_stream xdr; | |
4388 | struct compound_hdr hdr; | |
4389 | int status; | |
4390 | ||
4391 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
4392 | status = decode_compound_hdr(&xdr, &hdr); | |
9b7b9fcc AA |
4393 | if (status) |
4394 | goto out; | |
4395 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
1da177e4 LT |
4396 | if (status) |
4397 | goto out; | |
4398 | status = decode_putfh(&xdr); | |
4399 | if (status) | |
4400 | goto out; | |
4401 | status = decode_lock(&xdr, res); | |
4402 | out: | |
4403 | return status; | |
4404 | } | |
4405 | ||
4406 | /* | |
4407 | * Decode LOCKT response | |
4408 | */ | |
8687b63a | 4409 | static int nfs4_xdr_dec_lockt(struct rpc_rqst *rqstp, __be32 *p, struct nfs_lockt_res *res) |
1da177e4 LT |
4410 | { |
4411 | struct xdr_stream xdr; | |
4412 | struct compound_hdr hdr; | |
4413 | int status; | |
4414 | ||
4415 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
4416 | status = decode_compound_hdr(&xdr, &hdr); | |
9b7b9fcc AA |
4417 | if (status) |
4418 | goto out; | |
4419 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
1da177e4 LT |
4420 | if (status) |
4421 | goto out; | |
4422 | status = decode_putfh(&xdr); | |
4423 | if (status) | |
4424 | goto out; | |
4425 | status = decode_lockt(&xdr, res); | |
4426 | out: | |
4427 | return status; | |
4428 | } | |
4429 | ||
4430 | /* | |
4431 | * Decode LOCKU response | |
4432 | */ | |
8687b63a | 4433 | static int nfs4_xdr_dec_locku(struct rpc_rqst *rqstp, __be32 *p, struct nfs_locku_res *res) |
1da177e4 LT |
4434 | { |
4435 | struct xdr_stream xdr; | |
4436 | struct compound_hdr hdr; | |
4437 | int status; | |
4438 | ||
4439 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
4440 | status = decode_compound_hdr(&xdr, &hdr); | |
9b7b9fcc AA |
4441 | if (status) |
4442 | goto out; | |
4443 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
1da177e4 LT |
4444 | if (status) |
4445 | goto out; | |
4446 | status = decode_putfh(&xdr); | |
4447 | if (status) | |
4448 | goto out; | |
4449 | status = decode_locku(&xdr, res); | |
4450 | out: | |
4451 | return status; | |
4452 | } | |
4453 | ||
4454 | /* | |
4455 | * Decode READLINK response | |
4456 | */ | |
f50c7000 BH |
4457 | static int nfs4_xdr_dec_readlink(struct rpc_rqst *rqstp, __be32 *p, |
4458 | struct nfs4_readlink_res *res) | |
1da177e4 LT |
4459 | { |
4460 | struct xdr_stream xdr; | |
4461 | struct compound_hdr hdr; | |
4462 | int status; | |
4463 | ||
4464 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
4465 | status = decode_compound_hdr(&xdr, &hdr); | |
9b7b9fcc AA |
4466 | if (status) |
4467 | goto out; | |
4468 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
1da177e4 LT |
4469 | if (status) |
4470 | goto out; | |
4471 | status = decode_putfh(&xdr); | |
4472 | if (status) | |
4473 | goto out; | |
4474 | status = decode_readlink(&xdr, rqstp); | |
4475 | out: | |
4476 | return status; | |
4477 | } | |
4478 | ||
4479 | /* | |
4480 | * Decode READDIR response | |
4481 | */ | |
8687b63a | 4482 | static int nfs4_xdr_dec_readdir(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_readdir_res *res) |
1da177e4 LT |
4483 | { |
4484 | struct xdr_stream xdr; | |
4485 | struct compound_hdr hdr; | |
4486 | int status; | |
4487 | ||
4488 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
4489 | status = decode_compound_hdr(&xdr, &hdr); | |
9b7b9fcc AA |
4490 | if (status) |
4491 | goto out; | |
4492 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
1da177e4 LT |
4493 | if (status) |
4494 | goto out; | |
4495 | status = decode_putfh(&xdr); | |
4496 | if (status) | |
4497 | goto out; | |
4498 | status = decode_readdir(&xdr, rqstp, res); | |
4499 | out: | |
4500 | return status; | |
4501 | } | |
4502 | ||
4503 | /* | |
4504 | * Decode Read response | |
4505 | */ | |
8687b63a | 4506 | static int nfs4_xdr_dec_read(struct rpc_rqst *rqstp, __be32 *p, struct nfs_readres *res) |
1da177e4 LT |
4507 | { |
4508 | struct xdr_stream xdr; | |
4509 | struct compound_hdr hdr; | |
4510 | int status; | |
4511 | ||
4512 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
4513 | status = decode_compound_hdr(&xdr, &hdr); | |
9b7b9fcc AA |
4514 | if (status) |
4515 | goto out; | |
4516 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
1da177e4 LT |
4517 | if (status) |
4518 | goto out; | |
4519 | status = decode_putfh(&xdr); | |
4520 | if (status) | |
4521 | goto out; | |
4522 | status = decode_read(&xdr, rqstp, res); | |
4523 | if (!status) | |
4524 | status = res->count; | |
4525 | out: | |
4526 | return status; | |
4527 | } | |
4528 | ||
4529 | /* | |
4530 | * Decode WRITE response | |
4531 | */ | |
8687b63a | 4532 | static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, __be32 *p, struct nfs_writeres *res) |
1da177e4 LT |
4533 | { |
4534 | struct xdr_stream xdr; | |
4535 | struct compound_hdr hdr; | |
4536 | int status; | |
4537 | ||
4538 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
4539 | status = decode_compound_hdr(&xdr, &hdr); | |
9b7b9fcc AA |
4540 | if (status) |
4541 | goto out; | |
4542 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
1da177e4 LT |
4543 | if (status) |
4544 | goto out; | |
4545 | status = decode_putfh(&xdr); | |
4546 | if (status) | |
4547 | goto out; | |
4548 | status = decode_write(&xdr, res); | |
4f9838c7 TM |
4549 | if (status) |
4550 | goto out; | |
4551 | decode_getfattr(&xdr, res->fattr, res->server); | |
1da177e4 LT |
4552 | if (!status) |
4553 | status = res->count; | |
4554 | out: | |
4555 | return status; | |
4556 | } | |
4557 | ||
4558 | /* | |
4559 | * Decode COMMIT response | |
4560 | */ | |
8687b63a | 4561 | static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, __be32 *p, struct nfs_writeres *res) |
1da177e4 LT |
4562 | { |
4563 | struct xdr_stream xdr; | |
4564 | struct compound_hdr hdr; | |
4565 | int status; | |
4566 | ||
4567 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
4568 | status = decode_compound_hdr(&xdr, &hdr); | |
9b7b9fcc AA |
4569 | if (status) |
4570 | goto out; | |
4571 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
1da177e4 LT |
4572 | if (status) |
4573 | goto out; | |
4574 | status = decode_putfh(&xdr); | |
4575 | if (status) | |
4576 | goto out; | |
4577 | status = decode_commit(&xdr, res); | |
4f9838c7 TM |
4578 | if (status) |
4579 | goto out; | |
4580 | decode_getfattr(&xdr, res->fattr, res->server); | |
1da177e4 LT |
4581 | out: |
4582 | return status; | |
4583 | } | |
4584 | ||
4585 | /* | |
4586 | * FSINFO request | |
4587 | */ | |
3dda5e43 BH |
4588 | static int nfs4_xdr_dec_fsinfo(struct rpc_rqst *req, __be32 *p, |
4589 | struct nfs4_fsinfo_res *res) | |
1da177e4 LT |
4590 | { |
4591 | struct xdr_stream xdr; | |
4592 | struct compound_hdr hdr; | |
4593 | int status; | |
4594 | ||
4595 | xdr_init_decode(&xdr, &req->rq_rcv_buf, p); | |
4596 | status = decode_compound_hdr(&xdr, &hdr); | |
9b7b9fcc AA |
4597 | if (!status) |
4598 | status = decode_sequence(&xdr, &res->seq_res, req); | |
1da177e4 LT |
4599 | if (!status) |
4600 | status = decode_putfh(&xdr); | |
4601 | if (!status) | |
3dda5e43 | 4602 | status = decode_fsinfo(&xdr, res->fsinfo); |
1da177e4 LT |
4603 | return status; |
4604 | } | |
4605 | ||
4606 | /* | |
4607 | * PATHCONF request | |
4608 | */ | |
d45b2989 BH |
4609 | static int nfs4_xdr_dec_pathconf(struct rpc_rqst *req, __be32 *p, |
4610 | struct nfs4_pathconf_res *res) | |
1da177e4 LT |
4611 | { |
4612 | struct xdr_stream xdr; | |
4613 | struct compound_hdr hdr; | |
4614 | int status; | |
4615 | ||
4616 | xdr_init_decode(&xdr, &req->rq_rcv_buf, p); | |
4617 | status = decode_compound_hdr(&xdr, &hdr); | |
9b7b9fcc AA |
4618 | if (!status) |
4619 | status = decode_sequence(&xdr, &res->seq_res, req); | |
1da177e4 LT |
4620 | if (!status) |
4621 | status = decode_putfh(&xdr); | |
4622 | if (!status) | |
d45b2989 | 4623 | status = decode_pathconf(&xdr, res->pathconf); |
1da177e4 LT |
4624 | return status; |
4625 | } | |
4626 | ||
4627 | /* | |
4628 | * STATFS request | |
4629 | */ | |
24ad148a BH |
4630 | static int nfs4_xdr_dec_statfs(struct rpc_rqst *req, __be32 *p, |
4631 | struct nfs4_statfs_res *res) | |
1da177e4 LT |
4632 | { |
4633 | struct xdr_stream xdr; | |
4634 | struct compound_hdr hdr; | |
4635 | int status; | |
4636 | ||
4637 | xdr_init_decode(&xdr, &req->rq_rcv_buf, p); | |
4638 | status = decode_compound_hdr(&xdr, &hdr); | |
9b7b9fcc AA |
4639 | if (!status) |
4640 | status = decode_sequence(&xdr, &res->seq_res, req); | |
1da177e4 LT |
4641 | if (!status) |
4642 | status = decode_putfh(&xdr); | |
4643 | if (!status) | |
24ad148a | 4644 | status = decode_statfs(&xdr, res->fsstat); |
1da177e4 LT |
4645 | return status; |
4646 | } | |
4647 | ||
4648 | /* | |
4649 | * GETATTR_BITMAP request | |
4650 | */ | |
8687b63a | 4651 | static int nfs4_xdr_dec_server_caps(struct rpc_rqst *req, __be32 *p, struct nfs4_server_caps_res *res) |
1da177e4 LT |
4652 | { |
4653 | struct xdr_stream xdr; | |
4654 | struct compound_hdr hdr; | |
4655 | int status; | |
4656 | ||
4657 | xdr_init_decode(&xdr, &req->rq_rcv_buf, p); | |
9b7b9fcc AA |
4658 | status = decode_compound_hdr(&xdr, &hdr); |
4659 | if (status) | |
4660 | goto out; | |
4661 | status = decode_sequence(&xdr, &res->seq_res, req); | |
4662 | if (status) | |
1da177e4 LT |
4663 | goto out; |
4664 | if ((status = decode_putfh(&xdr)) != 0) | |
4665 | goto out; | |
4666 | status = decode_server_caps(&xdr, res); | |
4667 | out: | |
4668 | return status; | |
4669 | } | |
4670 | ||
4671 | /* | |
4672 | * Decode RENEW response | |
4673 | */ | |
8687b63a | 4674 | static int nfs4_xdr_dec_renew(struct rpc_rqst *rqstp, __be32 *p, void *dummy) |
1da177e4 LT |
4675 | { |
4676 | struct xdr_stream xdr; | |
4677 | struct compound_hdr hdr; | |
4678 | int status; | |
4679 | ||
4680 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
4681 | status = decode_compound_hdr(&xdr, &hdr); | |
4682 | if (!status) | |
4683 | status = decode_renew(&xdr); | |
4684 | return status; | |
4685 | } | |
4686 | ||
4687 | /* | |
4688 | * a SETCLIENTID request | |
4689 | */ | |
8687b63a | 4690 | static int nfs4_xdr_dec_setclientid(struct rpc_rqst *req, __be32 *p, |
adfa6f98 | 4691 | struct nfs_client *clp) |
1da177e4 LT |
4692 | { |
4693 | struct xdr_stream xdr; | |
4694 | struct compound_hdr hdr; | |
4695 | int status; | |
4696 | ||
4697 | xdr_init_decode(&xdr, &req->rq_rcv_buf, p); | |
4698 | status = decode_compound_hdr(&xdr, &hdr); | |
4699 | if (!status) | |
4700 | status = decode_setclientid(&xdr, clp); | |
1da177e4 LT |
4701 | return status; |
4702 | } | |
4703 | ||
4704 | /* | |
4705 | * a SETCLIENTID_CONFIRM request | |
4706 | */ | |
8687b63a | 4707 | static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst *req, __be32 *p, struct nfs_fsinfo *fsinfo) |
1da177e4 LT |
4708 | { |
4709 | struct xdr_stream xdr; | |
4710 | struct compound_hdr hdr; | |
4711 | int status; | |
4712 | ||
4713 | xdr_init_decode(&xdr, &req->rq_rcv_buf, p); | |
4714 | status = decode_compound_hdr(&xdr, &hdr); | |
4715 | if (!status) | |
4716 | status = decode_setclientid_confirm(&xdr); | |
4717 | if (!status) | |
4718 | status = decode_putrootfh(&xdr); | |
4719 | if (!status) | |
4720 | status = decode_fsinfo(&xdr, fsinfo); | |
1da177e4 LT |
4721 | return status; |
4722 | } | |
4723 | ||
4724 | /* | |
4725 | * DELEGRETURN request | |
4726 | */ | |
8687b63a | 4727 | static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_delegreturnres *res) |
1da177e4 LT |
4728 | { |
4729 | struct xdr_stream xdr; | |
4730 | struct compound_hdr hdr; | |
4731 | int status; | |
4732 | ||
4733 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
4734 | status = decode_compound_hdr(&xdr, &hdr); | |
9b7b9fcc AA |
4735 | if (status) |
4736 | goto out; | |
4737 | status = decode_sequence(&xdr, &res->seq_res, rqstp); | |
4738 | if (status) | |
fa178f29 TM |
4739 | goto out; |
4740 | status = decode_putfh(&xdr); | |
4741 | if (status != 0) | |
4742 | goto out; | |
4743 | status = decode_delegreturn(&xdr); | |
4744 | decode_getfattr(&xdr, res->fattr, res->server); | |
4745 | out: | |
1da177e4 LT |
4746 | return status; |
4747 | } | |
4748 | ||
683b57b4 TM |
4749 | /* |
4750 | * FS_LOCATIONS request | |
4751 | */ | |
22958463 BH |
4752 | static int nfs4_xdr_dec_fs_locations(struct rpc_rqst *req, __be32 *p, |
4753 | struct nfs4_fs_locations_res *res) | |
683b57b4 TM |
4754 | { |
4755 | struct xdr_stream xdr; | |
4756 | struct compound_hdr hdr; | |
4757 | int status; | |
4758 | ||
4759 | xdr_init_decode(&xdr, &req->rq_rcv_buf, p); | |
4760 | status = decode_compound_hdr(&xdr, &hdr); | |
9b7b9fcc AA |
4761 | if (status) |
4762 | goto out; | |
4763 | status = decode_sequence(&xdr, &res->seq_res, req); | |
4764 | if (status) | |
683b57b4 TM |
4765 | goto out; |
4766 | if ((status = decode_putfh(&xdr)) != 0) | |
4767 | goto out; | |
4768 | if ((status = decode_lookup(&xdr)) != 0) | |
4769 | goto out; | |
4770 | xdr_enter_page(&xdr, PAGE_SIZE); | |
22958463 BH |
4771 | status = decode_getfattr(&xdr, &res->fs_locations->fattr, |
4772 | res->fs_locations->server); | |
683b57b4 TM |
4773 | out: |
4774 | return status; | |
4775 | } | |
4776 | ||
0dbb4c67 | 4777 | __be32 *nfs4_decode_dirent(__be32 *p, struct nfs_entry *entry, int plus) |
1da177e4 LT |
4778 | { |
4779 | uint32_t bitmap[2] = {0}; | |
4780 | uint32_t len; | |
4781 | ||
4782 | if (!*p++) { | |
4783 | if (!*p) | |
4784 | return ERR_PTR(-EAGAIN); | |
4785 | entry->eof = 1; | |
4786 | return ERR_PTR(-EBADCOOKIE); | |
4787 | } | |
4788 | ||
4789 | entry->prev_cookie = entry->cookie; | |
4790 | p = xdr_decode_hyper(p, &entry->cookie); | |
4791 | entry->len = ntohl(*p++); | |
4792 | entry->name = (const char *) p; | |
4793 | p += XDR_QUADLEN(entry->len); | |
4794 | ||
4795 | /* | |
4796 | * In case the server doesn't return an inode number, | |
4797 | * we fake one here. (We don't use inode number 0, | |
4798 | * since glibc seems to choke on it...) | |
4799 | */ | |
4800 | entry->ino = 1; | |
4801 | ||
4802 | len = ntohl(*p++); /* bitmap length */ | |
4803 | if (len-- > 0) { | |
4804 | bitmap[0] = ntohl(*p++); | |
4805 | if (len-- > 0) { | |
4806 | bitmap[1] = ntohl(*p++); | |
4807 | p += len; | |
4808 | } | |
4809 | } | |
4810 | len = XDR_QUADLEN(ntohl(*p++)); /* attribute buffer length */ | |
4811 | if (len > 0) { | |
97d312d0 MN |
4812 | if (bitmap[0] & FATTR4_WORD0_RDATTR_ERROR) { |
4813 | bitmap[0] &= ~FATTR4_WORD0_RDATTR_ERROR; | |
4814 | /* Ignore the return value of rdattr_error for now */ | |
4815 | p++; | |
4816 | len--; | |
4817 | } | |
1da177e4 LT |
4818 | if (bitmap[0] == 0 && bitmap[1] == FATTR4_WORD1_MOUNTED_ON_FILEID) |
4819 | xdr_decode_hyper(p, &entry->ino); | |
4820 | else if (bitmap[0] == FATTR4_WORD0_FILEID) | |
4821 | xdr_decode_hyper(p, &entry->ino); | |
4822 | p += len; | |
4823 | } | |
4824 | ||
4825 | entry->eof = !p[0] && p[1]; | |
4826 | return p; | |
4827 | } | |
4828 | ||
4829 | /* | |
4830 | * We need to translate between nfs status return values and | |
4831 | * the local errno values which may not be the same. | |
4832 | */ | |
4833 | static struct { | |
4834 | int stat; | |
4835 | int errno; | |
4836 | } nfs_errtbl[] = { | |
4837 | { NFS4_OK, 0 }, | |
856dff3d BH |
4838 | { NFS4ERR_PERM, -EPERM }, |
4839 | { NFS4ERR_NOENT, -ENOENT }, | |
4840 | { NFS4ERR_IO, -errno_NFSERR_IO}, | |
4841 | { NFS4ERR_NXIO, -ENXIO }, | |
4842 | { NFS4ERR_ACCESS, -EACCES }, | |
4843 | { NFS4ERR_EXIST, -EEXIST }, | |
4844 | { NFS4ERR_XDEV, -EXDEV }, | |
4845 | { NFS4ERR_NOTDIR, -ENOTDIR }, | |
4846 | { NFS4ERR_ISDIR, -EISDIR }, | |
4847 | { NFS4ERR_INVAL, -EINVAL }, | |
4848 | { NFS4ERR_FBIG, -EFBIG }, | |
4849 | { NFS4ERR_NOSPC, -ENOSPC }, | |
4850 | { NFS4ERR_ROFS, -EROFS }, | |
4851 | { NFS4ERR_MLINK, -EMLINK }, | |
4852 | { NFS4ERR_NAMETOOLONG, -ENAMETOOLONG }, | |
4853 | { NFS4ERR_NOTEMPTY, -ENOTEMPTY }, | |
4854 | { NFS4ERR_DQUOT, -EDQUOT }, | |
4855 | { NFS4ERR_STALE, -ESTALE }, | |
4856 | { NFS4ERR_BADHANDLE, -EBADHANDLE }, | |
4857 | { NFS4ERR_BADOWNER, -EINVAL }, | |
4858 | { NFS4ERR_BADNAME, -EINVAL }, | |
4859 | { NFS4ERR_BAD_COOKIE, -EBADCOOKIE }, | |
4860 | { NFS4ERR_NOTSUPP, -ENOTSUPP }, | |
4861 | { NFS4ERR_TOOSMALL, -ETOOSMALL }, | |
4862 | { NFS4ERR_SERVERFAULT, -ESERVERFAULT }, | |
4863 | { NFS4ERR_BADTYPE, -EBADTYPE }, | |
4864 | { NFS4ERR_LOCKED, -EAGAIN }, | |
4865 | { NFS4ERR_RESOURCE, -EREMOTEIO }, | |
4866 | { NFS4ERR_SYMLINK, -ELOOP }, | |
4867 | { NFS4ERR_OP_ILLEGAL, -EOPNOTSUPP }, | |
4868 | { NFS4ERR_DEADLOCK, -EDEADLK }, | |
4869 | { NFS4ERR_WRONGSEC, -EPERM }, /* FIXME: this needs | |
1da177e4 LT |
4870 | * to be handled by a |
4871 | * middle-layer. | |
4872 | */ | |
856dff3d | 4873 | { -1, -EIO } |
1da177e4 LT |
4874 | }; |
4875 | ||
4876 | /* | |
4877 | * Convert an NFS error code to a local one. | |
4878 | * This one is used jointly by NFSv2 and NFSv3. | |
4879 | */ | |
4880 | static int | |
0a8ea437 | 4881 | nfs4_stat_to_errno(int stat) |
1da177e4 LT |
4882 | { |
4883 | int i; | |
4884 | for (i = 0; nfs_errtbl[i].stat != -1; i++) { | |
4885 | if (nfs_errtbl[i].stat == stat) | |
4886 | return nfs_errtbl[i].errno; | |
4887 | } | |
4888 | if (stat <= 10000 || stat > 10100) { | |
4889 | /* The server is looney tunes. */ | |
856dff3d | 4890 | return -ESERVERFAULT; |
1da177e4 LT |
4891 | } |
4892 | /* If we cannot translate the error, the recovery routines should | |
4893 | * handle it. | |
4894 | * Note: remaining NFSv4 error codes have values > 10000, so should | |
4895 | * not conflict with native Linux error codes. | |
4896 | */ | |
856dff3d | 4897 | return -stat; |
1da177e4 LT |
4898 | } |
4899 | ||
1da177e4 LT |
4900 | #define PROC(proc, argtype, restype) \ |
4901 | [NFSPROC4_CLNT_##proc] = { \ | |
4902 | .p_proc = NFSPROC4_COMPOUND, \ | |
4903 | .p_encode = (kxdrproc_t) nfs4_xdr_##argtype, \ | |
4904 | .p_decode = (kxdrproc_t) nfs4_xdr_##restype, \ | |
2bea90d4 CL |
4905 | .p_arglen = NFS4_##argtype##_sz, \ |
4906 | .p_replen = NFS4_##restype##_sz, \ | |
cc0175c1 CL |
4907 | .p_statidx = NFSPROC4_CLNT_##proc, \ |
4908 | .p_name = #proc, \ | |
05d564fe | 4909 | } |
1da177e4 LT |
4910 | |
4911 | struct rpc_procinfo nfs4_procedures[] = { | |
4912 | PROC(READ, enc_read, dec_read), | |
4913 | PROC(WRITE, enc_write, dec_write), | |
4914 | PROC(COMMIT, enc_commit, dec_commit), | |
4915 | PROC(OPEN, enc_open, dec_open), | |
4916 | PROC(OPEN_CONFIRM, enc_open_confirm, dec_open_confirm), | |
4917 | PROC(OPEN_NOATTR, enc_open_noattr, dec_open_noattr), | |
4918 | PROC(OPEN_DOWNGRADE, enc_open_downgrade, dec_open_downgrade), | |
4919 | PROC(CLOSE, enc_close, dec_close), | |
4920 | PROC(SETATTR, enc_setattr, dec_setattr), | |
4921 | PROC(FSINFO, enc_fsinfo, dec_fsinfo), | |
4922 | PROC(RENEW, enc_renew, dec_renew), | |
4923 | PROC(SETCLIENTID, enc_setclientid, dec_setclientid), | |
4924 | PROC(SETCLIENTID_CONFIRM, enc_setclientid_confirm, dec_setclientid_confirm), | |
4925 | PROC(LOCK, enc_lock, dec_lock), | |
4926 | PROC(LOCKT, enc_lockt, dec_lockt), | |
4927 | PROC(LOCKU, enc_locku, dec_locku), | |
4928 | PROC(ACCESS, enc_access, dec_access), | |
4929 | PROC(GETATTR, enc_getattr, dec_getattr), | |
4930 | PROC(LOOKUP, enc_lookup, dec_lookup), | |
4931 | PROC(LOOKUP_ROOT, enc_lookup_root, dec_lookup_root), | |
4932 | PROC(REMOVE, enc_remove, dec_remove), | |
4933 | PROC(RENAME, enc_rename, dec_rename), | |
4934 | PROC(LINK, enc_link, dec_link), | |
4935 | PROC(SYMLINK, enc_symlink, dec_symlink), | |
4936 | PROC(CREATE, enc_create, dec_create), | |
4937 | PROC(PATHCONF, enc_pathconf, dec_pathconf), | |
4938 | PROC(STATFS, enc_statfs, dec_statfs), | |
4939 | PROC(READLINK, enc_readlink, dec_readlink), | |
4940 | PROC(READDIR, enc_readdir, dec_readdir), | |
4941 | PROC(SERVER_CAPS, enc_server_caps, dec_server_caps), | |
4942 | PROC(DELEGRETURN, enc_delegreturn, dec_delegreturn), | |
029d105e | 4943 | PROC(GETACL, enc_getacl, dec_getacl), |
23ec6965 | 4944 | PROC(SETACL, enc_setacl, dec_setacl), |
683b57b4 | 4945 | PROC(FS_LOCATIONS, enc_fs_locations, dec_fs_locations), |
1da177e4 LT |
4946 | }; |
4947 | ||
4948 | struct rpc_version nfs_version4 = { | |
4949 | .number = 4, | |
e8c96f8c | 4950 | .nrprocs = ARRAY_SIZE(nfs4_procedures), |
1da177e4 LT |
4951 | .procs = nfs4_procedures |
4952 | }; | |
4953 | ||
4954 | /* | |
4955 | * Local variables: | |
4956 | * c-basic-offset: 8 | |
4957 | * End: | |
4958 | */ |