]>
Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * fs/nfs/nfs4xdr.c | |
3 | * | |
4 | * Client-side XDR for NFSv4. | |
5 | * | |
6 | * Copyright (c) 2002 The Regents of the University of Michigan. | |
7 | * All rights reserved. | |
8 | * | |
9 | * Kendrick Smith <kmsmith@umich.edu> | |
10 | * Andy Adamson <andros@umich.edu> | |
6c0195a4 | 11 | * |
1da177e4 LT |
12 | * Redistribution and use in source and binary forms, with or without |
13 | * modification, are permitted provided that the following conditions | |
14 | * are met: | |
15 | * | |
16 | * 1. Redistributions of source code must retain the above copyright | |
17 | * notice, this list of conditions and the following disclaimer. | |
18 | * 2. Redistributions in binary form must reproduce the above copyright | |
19 | * notice, this list of conditions and the following disclaimer in the | |
20 | * documentation and/or other materials provided with the distribution. | |
21 | * 3. Neither the name of the University nor the names of its | |
22 | * contributors may be used to endorse or promote products derived | |
23 | * from this software without specific prior written permission. | |
24 | * | |
25 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED | |
26 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
27 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
28 | * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
29 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
30 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
31 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR | |
32 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | |
33 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
34 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
35 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
36 | */ | |
37 | ||
38 | #include <linux/param.h> | |
39 | #include <linux/time.h> | |
40 | #include <linux/mm.h> | |
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) | |
195 | #define encode_rename_maxsz (op_encode_hdr_maxsz + \ | |
196 | 2 * nfs4_name_maxsz) | |
197 | #define decode_rename_maxsz (op_decode_hdr_maxsz + 5 + 5) | |
198 | #define encode_link_maxsz (op_encode_hdr_maxsz + \ | |
199 | nfs4_name_maxsz) | |
200 | #define decode_link_maxsz (op_decode_hdr_maxsz + 5) | |
9104a55d TM |
201 | #define encode_lock_maxsz (op_encode_hdr_maxsz + \ |
202 | 7 + \ | |
203 | 1 + encode_stateid_maxsz + 8) | |
204 | #define decode_lock_denied_maxsz \ | |
205 | (8 + decode_lockowner_maxsz) | |
206 | #define decode_lock_maxsz (op_decode_hdr_maxsz + \ | |
207 | decode_lock_denied_maxsz) | |
208 | #define encode_lockt_maxsz (op_encode_hdr_maxsz + 12) | |
209 | #define decode_lockt_maxsz (op_decode_hdr_maxsz + \ | |
210 | decode_lock_denied_maxsz) | |
211 | #define encode_locku_maxsz (op_encode_hdr_maxsz + 3 + \ | |
212 | encode_stateid_maxsz + \ | |
213 | 4) | |
214 | #define decode_locku_maxsz (op_decode_hdr_maxsz + \ | |
215 | decode_stateid_maxsz) | |
216 | #define encode_access_maxsz (op_encode_hdr_maxsz + 1) | |
217 | #define decode_access_maxsz (op_decode_hdr_maxsz + 2) | |
1da177e4 LT |
218 | #define encode_symlink_maxsz (op_encode_hdr_maxsz + \ |
219 | 1 + nfs4_name_maxsz + \ | |
94a6d753 | 220 | 1 + \ |
96928206 | 221 | nfs4_fattr_maxsz) |
1da177e4 LT |
222 | #define decode_symlink_maxsz (op_decode_hdr_maxsz + 8) |
223 | #define encode_create_maxsz (op_encode_hdr_maxsz + \ | |
9104a55d TM |
224 | 1 + 2 + nfs4_name_maxsz + \ |
225 | encode_attrs_maxsz) | |
2cebf828 TM |
226 | #define decode_create_maxsz (op_decode_hdr_maxsz + \ |
227 | decode_change_info_maxsz + \ | |
228 | nfs4_fattr_bitmap_maxsz) | |
9104a55d TM |
229 | #define encode_statfs_maxsz (encode_getattr_maxsz) |
230 | #define decode_statfs_maxsz (decode_getattr_maxsz) | |
1da177e4 LT |
231 | #define encode_delegreturn_maxsz (op_encode_hdr_maxsz + 4) |
232 | #define decode_delegreturn_maxsz (op_decode_hdr_maxsz) | |
9104a55d TM |
233 | #define encode_getacl_maxsz (encode_getattr_maxsz) |
234 | #define decode_getacl_maxsz (op_decode_hdr_maxsz + \ | |
235 | nfs4_fattr_bitmap_maxsz + 1) | |
236 | #define encode_setacl_maxsz (op_encode_hdr_maxsz + \ | |
237 | encode_stateid_maxsz + 3) | |
238 | #define decode_setacl_maxsz (decode_setattr_maxsz) | |
e6889620 TM |
239 | #define encode_fs_locations_maxsz \ |
240 | (encode_getattr_maxsz) | |
241 | #define decode_fs_locations_maxsz \ | |
242 | (0) | |
1da177e4 LT |
243 | #define NFS4_enc_compound_sz (1024) /* XXX: large enough? */ |
244 | #define NFS4_dec_compound_sz (1024) /* XXX: large enough? */ | |
245 | #define NFS4_enc_read_sz (compound_encode_hdr_maxsz + \ | |
246 | encode_putfh_maxsz + \ | |
9104a55d | 247 | encode_read_maxsz) |
1da177e4 LT |
248 | #define NFS4_dec_read_sz (compound_decode_hdr_maxsz + \ |
249 | decode_putfh_maxsz + \ | |
9104a55d | 250 | decode_read_maxsz) |
1da177e4 LT |
251 | #define NFS4_enc_readlink_sz (compound_encode_hdr_maxsz + \ |
252 | encode_putfh_maxsz + \ | |
9104a55d | 253 | encode_readlink_maxsz) |
1da177e4 LT |
254 | #define NFS4_dec_readlink_sz (compound_decode_hdr_maxsz + \ |
255 | decode_putfh_maxsz + \ | |
9104a55d | 256 | decode_readlink_maxsz) |
1da177e4 LT |
257 | #define NFS4_enc_readdir_sz (compound_encode_hdr_maxsz + \ |
258 | encode_putfh_maxsz + \ | |
9104a55d | 259 | encode_readdir_maxsz) |
1da177e4 LT |
260 | #define NFS4_dec_readdir_sz (compound_decode_hdr_maxsz + \ |
261 | decode_putfh_maxsz + \ | |
9104a55d | 262 | decode_readdir_maxsz) |
1da177e4 LT |
263 | #define NFS4_enc_write_sz (compound_encode_hdr_maxsz + \ |
264 | encode_putfh_maxsz + \ | |
9104a55d | 265 | encode_write_maxsz + \ |
4f9838c7 | 266 | encode_getattr_maxsz) |
1da177e4 LT |
267 | #define NFS4_dec_write_sz (compound_decode_hdr_maxsz + \ |
268 | decode_putfh_maxsz + \ | |
9104a55d | 269 | decode_write_maxsz + \ |
4f9838c7 | 270 | decode_getattr_maxsz) |
1da177e4 LT |
271 | #define NFS4_enc_commit_sz (compound_encode_hdr_maxsz + \ |
272 | encode_putfh_maxsz + \ | |
9104a55d | 273 | encode_commit_maxsz + \ |
4f9838c7 | 274 | encode_getattr_maxsz) |
1da177e4 LT |
275 | #define NFS4_dec_commit_sz (compound_decode_hdr_maxsz + \ |
276 | decode_putfh_maxsz + \ | |
9104a55d | 277 | decode_commit_maxsz + \ |
4f9838c7 | 278 | decode_getattr_maxsz) |
1da177e4 | 279 | #define NFS4_enc_open_sz (compound_encode_hdr_maxsz + \ |
2cebf828 TM |
280 | encode_putfh_maxsz + \ |
281 | encode_savefh_maxsz + \ | |
282 | encode_open_maxsz + \ | |
283 | encode_getfh_maxsz + \ | |
284 | encode_getattr_maxsz + \ | |
285 | encode_restorefh_maxsz + \ | |
286 | encode_getattr_maxsz) | |
1da177e4 | 287 | #define NFS4_dec_open_sz (compound_decode_hdr_maxsz + \ |
2cebf828 TM |
288 | decode_putfh_maxsz + \ |
289 | decode_savefh_maxsz + \ | |
290 | decode_open_maxsz + \ | |
291 | decode_getfh_maxsz + \ | |
292 | decode_getattr_maxsz + \ | |
293 | decode_restorefh_maxsz + \ | |
294 | decode_getattr_maxsz) | |
9104a55d TM |
295 | #define NFS4_enc_open_confirm_sz \ |
296 | (compound_encode_hdr_maxsz + \ | |
297 | encode_putfh_maxsz + \ | |
298 | encode_open_confirm_maxsz) | |
299 | #define NFS4_dec_open_confirm_sz \ | |
300 | (compound_decode_hdr_maxsz + \ | |
301 | decode_putfh_maxsz + \ | |
302 | decode_open_confirm_maxsz) | |
1da177e4 LT |
303 | #define NFS4_enc_open_noattr_sz (compound_encode_hdr_maxsz + \ |
304 | encode_putfh_maxsz + \ | |
2cebf828 TM |
305 | encode_open_maxsz + \ |
306 | encode_getattr_maxsz) | |
1da177e4 LT |
307 | #define NFS4_dec_open_noattr_sz (compound_decode_hdr_maxsz + \ |
308 | decode_putfh_maxsz + \ | |
2cebf828 TM |
309 | decode_open_maxsz + \ |
310 | decode_getattr_maxsz) | |
1da177e4 LT |
311 | #define NFS4_enc_open_downgrade_sz \ |
312 | (compound_encode_hdr_maxsz + \ | |
9104a55d TM |
313 | encode_putfh_maxsz + \ |
314 | encode_open_downgrade_maxsz + \ | |
315 | encode_getattr_maxsz) | |
1da177e4 LT |
316 | #define NFS4_dec_open_downgrade_sz \ |
317 | (compound_decode_hdr_maxsz + \ | |
9104a55d TM |
318 | decode_putfh_maxsz + \ |
319 | decode_open_downgrade_maxsz + \ | |
320 | decode_getattr_maxsz) | |
321 | #define NFS4_enc_close_sz (compound_encode_hdr_maxsz + \ | |
322 | encode_putfh_maxsz + \ | |
323 | encode_close_maxsz + \ | |
324 | encode_getattr_maxsz) | |
325 | #define NFS4_dec_close_sz (compound_decode_hdr_maxsz + \ | |
326 | decode_putfh_maxsz + \ | |
327 | decode_close_maxsz + \ | |
328 | decode_getattr_maxsz) | |
329 | #define NFS4_enc_setattr_sz (compound_encode_hdr_maxsz + \ | |
330 | encode_putfh_maxsz + \ | |
331 | encode_setattr_maxsz + \ | |
332 | encode_getattr_maxsz) | |
333 | #define NFS4_dec_setattr_sz (compound_decode_hdr_maxsz + \ | |
334 | decode_putfh_maxsz + \ | |
335 | decode_setattr_maxsz + \ | |
336 | decode_getattr_maxsz) | |
1da177e4 LT |
337 | #define NFS4_enc_fsinfo_sz (compound_encode_hdr_maxsz + \ |
338 | encode_putfh_maxsz + \ | |
339 | encode_fsinfo_maxsz) | |
340 | #define NFS4_dec_fsinfo_sz (compound_decode_hdr_maxsz + \ | |
341 | decode_putfh_maxsz + \ | |
342 | decode_fsinfo_maxsz) | |
343 | #define NFS4_enc_renew_sz (compound_encode_hdr_maxsz + \ | |
344 | encode_renew_maxsz) | |
345 | #define NFS4_dec_renew_sz (compound_decode_hdr_maxsz + \ | |
346 | decode_renew_maxsz) | |
347 | #define NFS4_enc_setclientid_sz (compound_encode_hdr_maxsz + \ | |
348 | encode_setclientid_maxsz) | |
349 | #define NFS4_dec_setclientid_sz (compound_decode_hdr_maxsz + \ | |
350 | decode_setclientid_maxsz) | |
351 | #define NFS4_enc_setclientid_confirm_sz \ | |
352 | (compound_encode_hdr_maxsz + \ | |
353 | encode_setclientid_confirm_maxsz + \ | |
354 | encode_putrootfh_maxsz + \ | |
355 | encode_fsinfo_maxsz) | |
356 | #define NFS4_dec_setclientid_confirm_sz \ | |
357 | (compound_decode_hdr_maxsz + \ | |
358 | decode_setclientid_confirm_maxsz + \ | |
359 | decode_putrootfh_maxsz + \ | |
360 | decode_fsinfo_maxsz) | |
361 | #define NFS4_enc_lock_sz (compound_encode_hdr_maxsz + \ | |
362 | encode_putfh_maxsz + \ | |
9104a55d | 363 | encode_lock_maxsz) |
1da177e4 LT |
364 | #define NFS4_dec_lock_sz (compound_decode_hdr_maxsz + \ |
365 | decode_putfh_maxsz + \ | |
9104a55d | 366 | decode_lock_maxsz) |
1da177e4 LT |
367 | #define NFS4_enc_lockt_sz (compound_encode_hdr_maxsz + \ |
368 | encode_putfh_maxsz + \ | |
9104a55d TM |
369 | encode_lockt_maxsz) |
370 | #define NFS4_dec_lockt_sz (compound_decode_hdr_maxsz + \ | |
371 | decode_putfh_maxsz + \ | |
372 | decode_lockt_maxsz) | |
1da177e4 LT |
373 | #define NFS4_enc_locku_sz (compound_encode_hdr_maxsz + \ |
374 | encode_putfh_maxsz + \ | |
9104a55d | 375 | encode_locku_maxsz) |
1da177e4 LT |
376 | #define NFS4_dec_locku_sz (compound_decode_hdr_maxsz + \ |
377 | decode_putfh_maxsz + \ | |
9104a55d | 378 | decode_locku_maxsz) |
1da177e4 LT |
379 | #define NFS4_enc_access_sz (compound_encode_hdr_maxsz + \ |
380 | encode_putfh_maxsz + \ | |
76b32999 TM |
381 | encode_access_maxsz + \ |
382 | encode_getattr_maxsz) | |
1da177e4 LT |
383 | #define NFS4_dec_access_sz (compound_decode_hdr_maxsz + \ |
384 | decode_putfh_maxsz + \ | |
76b32999 TM |
385 | decode_access_maxsz + \ |
386 | decode_getattr_maxsz) | |
1da177e4 LT |
387 | #define NFS4_enc_getattr_sz (compound_encode_hdr_maxsz + \ |
388 | encode_putfh_maxsz + \ | |
389 | encode_getattr_maxsz) | |
390 | #define NFS4_dec_getattr_sz (compound_decode_hdr_maxsz + \ | |
391 | decode_putfh_maxsz + \ | |
392 | decode_getattr_maxsz) | |
393 | #define NFS4_enc_lookup_sz (compound_encode_hdr_maxsz + \ | |
394 | encode_putfh_maxsz + \ | |
395 | encode_lookup_maxsz + \ | |
396 | encode_getattr_maxsz + \ | |
397 | encode_getfh_maxsz) | |
398 | #define NFS4_dec_lookup_sz (compound_decode_hdr_maxsz + \ | |
399 | decode_putfh_maxsz + \ | |
e6889620 | 400 | decode_lookup_maxsz + \ |
1da177e4 LT |
401 | decode_getattr_maxsz + \ |
402 | decode_getfh_maxsz) | |
403 | #define NFS4_enc_lookup_root_sz (compound_encode_hdr_maxsz + \ | |
404 | encode_putrootfh_maxsz + \ | |
405 | encode_getattr_maxsz + \ | |
406 | encode_getfh_maxsz) | |
407 | #define NFS4_dec_lookup_root_sz (compound_decode_hdr_maxsz + \ | |
408 | decode_putrootfh_maxsz + \ | |
409 | decode_getattr_maxsz + \ | |
410 | decode_getfh_maxsz) | |
411 | #define NFS4_enc_remove_sz (compound_encode_hdr_maxsz + \ | |
412 | encode_putfh_maxsz + \ | |
16e42959 TM |
413 | encode_remove_maxsz + \ |
414 | encode_getattr_maxsz) | |
1da177e4 LT |
415 | #define NFS4_dec_remove_sz (compound_decode_hdr_maxsz + \ |
416 | decode_putfh_maxsz + \ | |
16e42959 TM |
417 | op_decode_hdr_maxsz + 5 + \ |
418 | decode_getattr_maxsz) | |
1da177e4 LT |
419 | #define NFS4_enc_rename_sz (compound_encode_hdr_maxsz + \ |
420 | encode_putfh_maxsz + \ | |
421 | encode_savefh_maxsz + \ | |
422 | encode_putfh_maxsz + \ | |
6caf2c82 TM |
423 | encode_rename_maxsz + \ |
424 | encode_getattr_maxsz + \ | |
425 | encode_restorefh_maxsz + \ | |
426 | encode_getattr_maxsz) | |
1da177e4 LT |
427 | #define NFS4_dec_rename_sz (compound_decode_hdr_maxsz + \ |
428 | decode_putfh_maxsz + \ | |
429 | decode_savefh_maxsz + \ | |
430 | decode_putfh_maxsz + \ | |
6caf2c82 TM |
431 | decode_rename_maxsz + \ |
432 | decode_getattr_maxsz + \ | |
433 | decode_restorefh_maxsz + \ | |
434 | decode_getattr_maxsz) | |
1da177e4 LT |
435 | #define NFS4_enc_link_sz (compound_encode_hdr_maxsz + \ |
436 | encode_putfh_maxsz + \ | |
437 | encode_savefh_maxsz + \ | |
438 | encode_putfh_maxsz + \ | |
91ba2eee TM |
439 | encode_link_maxsz + \ |
440 | decode_getattr_maxsz + \ | |
441 | encode_restorefh_maxsz + \ | |
442 | decode_getattr_maxsz) | |
1da177e4 LT |
443 | #define NFS4_dec_link_sz (compound_decode_hdr_maxsz + \ |
444 | decode_putfh_maxsz + \ | |
445 | decode_savefh_maxsz + \ | |
446 | decode_putfh_maxsz + \ | |
91ba2eee TM |
447 | decode_link_maxsz + \ |
448 | decode_getattr_maxsz + \ | |
449 | decode_restorefh_maxsz + \ | |
450 | decode_getattr_maxsz) | |
1da177e4 LT |
451 | #define NFS4_enc_symlink_sz (compound_encode_hdr_maxsz + \ |
452 | encode_putfh_maxsz + \ | |
453 | encode_symlink_maxsz + \ | |
454 | encode_getattr_maxsz + \ | |
455 | encode_getfh_maxsz) | |
456 | #define NFS4_dec_symlink_sz (compound_decode_hdr_maxsz + \ | |
457 | decode_putfh_maxsz + \ | |
458 | decode_symlink_maxsz + \ | |
459 | decode_getattr_maxsz + \ | |
460 | decode_getfh_maxsz) | |
461 | #define NFS4_enc_create_sz (compound_encode_hdr_maxsz + \ | |
462 | encode_putfh_maxsz + \ | |
56ae19f3 | 463 | encode_savefh_maxsz + \ |
1da177e4 | 464 | encode_create_maxsz + \ |
56ae19f3 | 465 | encode_getfh_maxsz + \ |
1da177e4 | 466 | encode_getattr_maxsz + \ |
56ae19f3 TM |
467 | encode_restorefh_maxsz + \ |
468 | encode_getattr_maxsz) | |
1da177e4 LT |
469 | #define NFS4_dec_create_sz (compound_decode_hdr_maxsz + \ |
470 | decode_putfh_maxsz + \ | |
56ae19f3 | 471 | decode_savefh_maxsz + \ |
1da177e4 | 472 | decode_create_maxsz + \ |
56ae19f3 | 473 | decode_getfh_maxsz + \ |
1da177e4 | 474 | decode_getattr_maxsz + \ |
56ae19f3 TM |
475 | decode_restorefh_maxsz + \ |
476 | decode_getattr_maxsz) | |
1da177e4 LT |
477 | #define NFS4_enc_pathconf_sz (compound_encode_hdr_maxsz + \ |
478 | encode_putfh_maxsz + \ | |
479 | encode_getattr_maxsz) | |
480 | #define NFS4_dec_pathconf_sz (compound_decode_hdr_maxsz + \ | |
481 | decode_putfh_maxsz + \ | |
482 | decode_getattr_maxsz) | |
483 | #define NFS4_enc_statfs_sz (compound_encode_hdr_maxsz + \ | |
484 | encode_putfh_maxsz + \ | |
9104a55d | 485 | encode_statfs_maxsz) |
1da177e4 LT |
486 | #define NFS4_dec_statfs_sz (compound_decode_hdr_maxsz + \ |
487 | decode_putfh_maxsz + \ | |
9104a55d | 488 | decode_statfs_maxsz) |
1da177e4 | 489 | #define NFS4_enc_server_caps_sz (compound_encode_hdr_maxsz + \ |
ab91f264 | 490 | encode_putfh_maxsz + \ |
1da177e4 LT |
491 | encode_getattr_maxsz) |
492 | #define NFS4_dec_server_caps_sz (compound_decode_hdr_maxsz + \ | |
ab91f264 | 493 | decode_putfh_maxsz + \ |
1da177e4 LT |
494 | decode_getattr_maxsz) |
495 | #define NFS4_enc_delegreturn_sz (compound_encode_hdr_maxsz + \ | |
496 | encode_putfh_maxsz + \ | |
fa178f29 TM |
497 | encode_delegreturn_maxsz + \ |
498 | encode_getattr_maxsz) | |
1da177e4 | 499 | #define NFS4_dec_delegreturn_sz (compound_decode_hdr_maxsz + \ |
fa178f29 TM |
500 | decode_delegreturn_maxsz + \ |
501 | decode_getattr_maxsz) | |
029d105e BF |
502 | #define NFS4_enc_getacl_sz (compound_encode_hdr_maxsz + \ |
503 | encode_putfh_maxsz + \ | |
9104a55d | 504 | encode_getacl_maxsz) |
029d105e BF |
505 | #define NFS4_dec_getacl_sz (compound_decode_hdr_maxsz + \ |
506 | decode_putfh_maxsz + \ | |
9104a55d | 507 | decode_getacl_maxsz) |
23ec6965 BF |
508 | #define NFS4_enc_setacl_sz (compound_encode_hdr_maxsz + \ |
509 | encode_putfh_maxsz + \ | |
9104a55d | 510 | encode_setacl_maxsz) |
23ec6965 BF |
511 | #define NFS4_dec_setacl_sz (compound_decode_hdr_maxsz + \ |
512 | decode_putfh_maxsz + \ | |
9104a55d | 513 | decode_setacl_maxsz) |
683b57b4 TM |
514 | #define NFS4_enc_fs_locations_sz \ |
515 | (compound_encode_hdr_maxsz + \ | |
516 | encode_putfh_maxsz + \ | |
e6889620 TM |
517 | encode_lookup_maxsz + \ |
518 | encode_fs_locations_maxsz) | |
683b57b4 TM |
519 | #define NFS4_dec_fs_locations_sz \ |
520 | (compound_decode_hdr_maxsz + \ | |
521 | decode_putfh_maxsz + \ | |
e6889620 TM |
522 | decode_lookup_maxsz + \ |
523 | decode_fs_locations_maxsz) | |
1da177e4 LT |
524 | |
525 | static struct { | |
526 | unsigned int mode; | |
527 | unsigned int nfs2type; | |
528 | } nfs_type2fmt[] = { | |
529 | { 0, NFNON }, | |
530 | { S_IFREG, NFREG }, | |
531 | { S_IFDIR, NFDIR }, | |
532 | { S_IFBLK, NFBLK }, | |
533 | { S_IFCHR, NFCHR }, | |
534 | { S_IFLNK, NFLNK }, | |
535 | { S_IFSOCK, NFSOCK }, | |
536 | { S_IFIFO, NFFIFO }, | |
537 | { 0, NFNON }, | |
538 | { 0, NFNON }, | |
539 | }; | |
540 | ||
541 | struct compound_hdr { | |
542 | int32_t status; | |
543 | uint32_t nops; | |
544 | uint32_t taglen; | |
545 | char * tag; | |
546 | }; | |
547 | ||
548 | /* | |
549 | * START OF "GENERIC" ENCODE ROUTINES. | |
550 | * These may look a little ugly since they are imported from a "generic" | |
551 | * set of XDR encode/decode routines which are intended to be shared by | |
552 | * all of our NFSv4 implementations (OpenBSD, MacOS X...). | |
553 | * | |
554 | * If the pain of reading these is too great, it should be a straightforward | |
555 | * task to translate them into Linux-specific versions which are more | |
556 | * consistent with the style used in NFSv2/v3... | |
557 | */ | |
558 | #define WRITE32(n) *p++ = htonl(n) | |
559 | #define WRITE64(n) do { \ | |
560 | *p++ = htonl((uint32_t)((n) >> 32)); \ | |
561 | *p++ = htonl((uint32_t)(n)); \ | |
562 | } while (0) | |
563 | #define WRITEMEM(ptr,nbytes) do { \ | |
564 | p = xdr_encode_opaque_fixed(p, ptr, nbytes); \ | |
565 | } while (0) | |
566 | ||
567 | #define RESERVE_SPACE(nbytes) do { \ | |
568 | p = xdr_reserve_space(xdr, nbytes); \ | |
1da177e4 LT |
569 | BUG_ON(!p); \ |
570 | } while (0) | |
571 | ||
572 | static void encode_string(struct xdr_stream *xdr, unsigned int len, const char *str) | |
573 | { | |
8687b63a | 574 | __be32 *p; |
1da177e4 LT |
575 | |
576 | p = xdr_reserve_space(xdr, 4 + len); | |
577 | BUG_ON(p == NULL); | |
578 | xdr_encode_opaque(p, str, len); | |
579 | } | |
580 | ||
581 | static int encode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr) | |
582 | { | |
8687b63a | 583 | __be32 *p; |
1da177e4 LT |
584 | |
585 | dprintk("encode_compound: tag=%.*s\n", (int)hdr->taglen, hdr->tag); | |
586 | BUG_ON(hdr->taglen > NFS4_MAXTAGLEN); | |
587 | RESERVE_SPACE(12+(XDR_QUADLEN(hdr->taglen)<<2)); | |
588 | WRITE32(hdr->taglen); | |
589 | WRITEMEM(hdr->tag, hdr->taglen); | |
590 | WRITE32(NFS4_MINOR_VERSION); | |
591 | WRITE32(hdr->nops); | |
592 | return 0; | |
593 | } | |
594 | ||
595 | static void encode_nfs4_verifier(struct xdr_stream *xdr, const nfs4_verifier *verf) | |
596 | { | |
8687b63a | 597 | __be32 *p; |
1da177e4 LT |
598 | |
599 | p = xdr_reserve_space(xdr, NFS4_VERIFIER_SIZE); | |
600 | BUG_ON(p == NULL); | |
601 | xdr_encode_opaque_fixed(p, verf->data, NFS4_VERIFIER_SIZE); | |
602 | } | |
603 | ||
604 | static int encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const struct nfs_server *server) | |
605 | { | |
606 | char owner_name[IDMAP_NAMESZ]; | |
607 | char owner_group[IDMAP_NAMESZ]; | |
608 | int owner_namelen = 0; | |
609 | int owner_grouplen = 0; | |
8687b63a AV |
610 | __be32 *p; |
611 | __be32 *q; | |
1da177e4 LT |
612 | int len; |
613 | uint32_t bmval0 = 0; | |
614 | uint32_t bmval1 = 0; | |
615 | int status; | |
616 | ||
617 | /* | |
618 | * We reserve enough space to write the entire attribute buffer at once. | |
619 | * In the worst-case, this would be | |
620 | * 12(bitmap) + 4(attrlen) + 8(size) + 4(mode) + 4(atime) + 4(mtime) | |
621 | * = 36 bytes, plus any contribution from variable-length fields | |
23ec6965 | 622 | * such as owner/group. |
1da177e4 LT |
623 | */ |
624 | len = 16; | |
625 | ||
626 | /* Sigh */ | |
627 | if (iap->ia_valid & ATTR_SIZE) | |
628 | len += 8; | |
629 | if (iap->ia_valid & ATTR_MODE) | |
630 | len += 4; | |
631 | if (iap->ia_valid & ATTR_UID) { | |
7539bbab | 632 | owner_namelen = nfs_map_uid_to_name(server->nfs_client, iap->ia_uid, owner_name); |
1da177e4 | 633 | if (owner_namelen < 0) { |
fe82a183 CL |
634 | dprintk("nfs: couldn't resolve uid %d to string\n", |
635 | iap->ia_uid); | |
1da177e4 LT |
636 | /* XXX */ |
637 | strcpy(owner_name, "nobody"); | |
638 | owner_namelen = sizeof("nobody") - 1; | |
639 | /* goto out; */ | |
640 | } | |
641 | len += 4 + (XDR_QUADLEN(owner_namelen) << 2); | |
642 | } | |
643 | if (iap->ia_valid & ATTR_GID) { | |
7539bbab | 644 | owner_grouplen = nfs_map_gid_to_group(server->nfs_client, iap->ia_gid, owner_group); |
1da177e4 | 645 | if (owner_grouplen < 0) { |
fe82a183 CL |
646 | dprintk("nfs: couldn't resolve gid %d to string\n", |
647 | iap->ia_gid); | |
1da177e4 LT |
648 | strcpy(owner_group, "nobody"); |
649 | owner_grouplen = sizeof("nobody") - 1; | |
650 | /* goto out; */ | |
651 | } | |
652 | len += 4 + (XDR_QUADLEN(owner_grouplen) << 2); | |
653 | } | |
654 | if (iap->ia_valid & ATTR_ATIME_SET) | |
655 | len += 16; | |
656 | else if (iap->ia_valid & ATTR_ATIME) | |
657 | len += 4; | |
658 | if (iap->ia_valid & ATTR_MTIME_SET) | |
659 | len += 16; | |
660 | else if (iap->ia_valid & ATTR_MTIME) | |
661 | len += 4; | |
662 | RESERVE_SPACE(len); | |
663 | ||
664 | /* | |
665 | * We write the bitmap length now, but leave the bitmap and the attribute | |
666 | * buffer length to be backfilled at the end of this routine. | |
667 | */ | |
668 | WRITE32(2); | |
669 | q = p; | |
670 | p += 3; | |
671 | ||
672 | if (iap->ia_valid & ATTR_SIZE) { | |
673 | bmval0 |= FATTR4_WORD0_SIZE; | |
674 | WRITE64(iap->ia_size); | |
675 | } | |
676 | if (iap->ia_valid & ATTR_MODE) { | |
677 | bmval1 |= FATTR4_WORD1_MODE; | |
cf3fff54 | 678 | WRITE32(iap->ia_mode & S_IALLUGO); |
1da177e4 LT |
679 | } |
680 | if (iap->ia_valid & ATTR_UID) { | |
681 | bmval1 |= FATTR4_WORD1_OWNER; | |
682 | WRITE32(owner_namelen); | |
683 | WRITEMEM(owner_name, owner_namelen); | |
684 | } | |
685 | if (iap->ia_valid & ATTR_GID) { | |
686 | bmval1 |= FATTR4_WORD1_OWNER_GROUP; | |
687 | WRITE32(owner_grouplen); | |
688 | WRITEMEM(owner_group, owner_grouplen); | |
689 | } | |
690 | if (iap->ia_valid & ATTR_ATIME_SET) { | |
691 | bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET; | |
692 | WRITE32(NFS4_SET_TO_CLIENT_TIME); | |
693 | WRITE32(0); | |
694 | WRITE32(iap->ia_mtime.tv_sec); | |
695 | WRITE32(iap->ia_mtime.tv_nsec); | |
696 | } | |
697 | else if (iap->ia_valid & ATTR_ATIME) { | |
698 | bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET; | |
699 | WRITE32(NFS4_SET_TO_SERVER_TIME); | |
700 | } | |
701 | if (iap->ia_valid & ATTR_MTIME_SET) { | |
702 | bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET; | |
703 | WRITE32(NFS4_SET_TO_CLIENT_TIME); | |
704 | WRITE32(0); | |
705 | WRITE32(iap->ia_mtime.tv_sec); | |
706 | WRITE32(iap->ia_mtime.tv_nsec); | |
707 | } | |
708 | else if (iap->ia_valid & ATTR_MTIME) { | |
709 | bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET; | |
710 | WRITE32(NFS4_SET_TO_SERVER_TIME); | |
711 | } | |
6c0195a4 | 712 | |
1da177e4 LT |
713 | /* |
714 | * Now we backfill the bitmap and the attribute buffer length. | |
715 | */ | |
716 | if (len != ((char *)p - (char *)q) + 4) { | |
fe82a183 | 717 | printk(KERN_ERR "nfs: Attr length error, %u != %Zu\n", |
1da177e4 LT |
718 | len, ((char *)p - (char *)q) + 4); |
719 | BUG(); | |
720 | } | |
721 | len = (char *)p - (char *)q - 12; | |
722 | *q++ = htonl(bmval0); | |
723 | *q++ = htonl(bmval1); | |
724 | *q++ = htonl(len); | |
725 | ||
726 | status = 0; | |
727 | /* out: */ | |
728 | return status; | |
729 | } | |
730 | ||
731 | static int encode_access(struct xdr_stream *xdr, u32 access) | |
732 | { | |
8687b63a | 733 | __be32 *p; |
1da177e4 LT |
734 | |
735 | RESERVE_SPACE(8); | |
736 | WRITE32(OP_ACCESS); | |
737 | WRITE32(access); | |
6c0195a4 | 738 | |
1da177e4 LT |
739 | return 0; |
740 | } | |
741 | ||
742 | static int encode_close(struct xdr_stream *xdr, const struct nfs_closeargs *arg) | |
743 | { | |
8687b63a | 744 | __be32 *p; |
1da177e4 | 745 | |
8ae20abd | 746 | RESERVE_SPACE(8+NFS4_STATEID_SIZE); |
1da177e4 | 747 | WRITE32(OP_CLOSE); |
cee54fc9 | 748 | WRITE32(arg->seqid->sequence->counter); |
8ae20abd | 749 | WRITEMEM(arg->stateid->data, NFS4_STATEID_SIZE); |
6c0195a4 | 750 | |
1da177e4 LT |
751 | return 0; |
752 | } | |
753 | ||
754 | static int encode_commit(struct xdr_stream *xdr, const struct nfs_writeargs *args) | |
755 | { | |
8687b63a | 756 | __be32 *p; |
6c0195a4 | 757 | |
05d564fe AA |
758 | RESERVE_SPACE(16); |
759 | WRITE32(OP_COMMIT); | |
760 | WRITE64(args->offset); | |
761 | WRITE32(args->count); | |
1da177e4 | 762 | |
05d564fe | 763 | return 0; |
1da177e4 LT |
764 | } |
765 | ||
766 | static int encode_create(struct xdr_stream *xdr, const struct nfs4_create_arg *create) | |
767 | { | |
8687b63a | 768 | __be32 *p; |
6c0195a4 | 769 | |
1da177e4 LT |
770 | RESERVE_SPACE(8); |
771 | WRITE32(OP_CREATE); | |
772 | WRITE32(create->ftype); | |
773 | ||
774 | switch (create->ftype) { | |
775 | case NF4LNK: | |
94a6d753 CL |
776 | RESERVE_SPACE(4); |
777 | WRITE32(create->u.symlink.len); | |
778 | xdr_write_pages(xdr, create->u.symlink.pages, 0, create->u.symlink.len); | |
1da177e4 LT |
779 | break; |
780 | ||
781 | case NF4BLK: case NF4CHR: | |
782 | RESERVE_SPACE(8); | |
783 | WRITE32(create->u.device.specdata1); | |
784 | WRITE32(create->u.device.specdata2); | |
785 | break; | |
786 | ||
787 | default: | |
788 | break; | |
789 | } | |
790 | ||
791 | RESERVE_SPACE(4 + create->name->len); | |
792 | WRITE32(create->name->len); | |
793 | WRITEMEM(create->name->name, create->name->len); | |
794 | ||
795 | return encode_attrs(xdr, create->attrs, create->server); | |
796 | } | |
797 | ||
798 | static int encode_getattr_one(struct xdr_stream *xdr, uint32_t bitmap) | |
799 | { | |
05d564fe | 800 | __be32 *p; |
1da177e4 | 801 | |
05d564fe AA |
802 | RESERVE_SPACE(12); |
803 | WRITE32(OP_GETATTR); | |
804 | WRITE32(1); | |
805 | WRITE32(bitmap); | |
806 | return 0; | |
1da177e4 LT |
807 | } |
808 | ||
809 | static int encode_getattr_two(struct xdr_stream *xdr, uint32_t bm0, uint32_t bm1) | |
810 | { | |
05d564fe | 811 | __be32 *p; |
1da177e4 | 812 | |
05d564fe AA |
813 | RESERVE_SPACE(16); |
814 | WRITE32(OP_GETATTR); | |
815 | WRITE32(2); | |
816 | WRITE32(bm0); | |
817 | WRITE32(bm1); | |
818 | return 0; | |
1da177e4 LT |
819 | } |
820 | ||
821 | static int encode_getfattr(struct xdr_stream *xdr, const u32* bitmask) | |
822 | { | |
1da177e4 LT |
823 | return encode_getattr_two(xdr, |
824 | bitmask[0] & nfs4_fattr_bitmap[0], | |
825 | bitmask[1] & nfs4_fattr_bitmap[1]); | |
826 | } | |
827 | ||
828 | static int encode_fsinfo(struct xdr_stream *xdr, const u32* bitmask) | |
829 | { | |
1da177e4 LT |
830 | return encode_getattr_two(xdr, bitmask[0] & nfs4_fsinfo_bitmap[0], |
831 | bitmask[1] & nfs4_fsinfo_bitmap[1]); | |
832 | } | |
833 | ||
830b8e33 MN |
834 | static int encode_fs_locations(struct xdr_stream *xdr, const u32* bitmask) |
835 | { | |
836 | return encode_getattr_two(xdr, | |
837 | bitmask[0] & nfs4_fs_locations_bitmap[0], | |
838 | bitmask[1] & nfs4_fs_locations_bitmap[1]); | |
839 | } | |
840 | ||
1da177e4 LT |
841 | static int encode_getfh(struct xdr_stream *xdr) |
842 | { | |
8687b63a | 843 | __be32 *p; |
1da177e4 LT |
844 | |
845 | RESERVE_SPACE(4); | |
846 | WRITE32(OP_GETFH); | |
847 | ||
848 | return 0; | |
849 | } | |
850 | ||
851 | static int encode_link(struct xdr_stream *xdr, const struct qstr *name) | |
852 | { | |
8687b63a | 853 | __be32 *p; |
1da177e4 LT |
854 | |
855 | RESERVE_SPACE(8 + name->len); | |
856 | WRITE32(OP_LINK); | |
857 | WRITE32(name->len); | |
858 | WRITEMEM(name->name, name->len); | |
6c0195a4 | 859 | |
1da177e4 LT |
860 | return 0; |
861 | } | |
862 | ||
911d1aaf TM |
863 | static inline int nfs4_lock_type(struct file_lock *fl, int block) |
864 | { | |
865 | if ((fl->fl_type & (F_RDLCK|F_WRLCK|F_UNLCK)) == F_RDLCK) | |
866 | return block ? NFS4_READW_LT : NFS4_READ_LT; | |
867 | return block ? NFS4_WRITEW_LT : NFS4_WRITE_LT; | |
868 | } | |
869 | ||
870 | static inline uint64_t nfs4_lock_length(struct file_lock *fl) | |
871 | { | |
872 | if (fl->fl_end == OFFSET_MAX) | |
873 | return ~(uint64_t)0; | |
874 | return fl->fl_end - fl->fl_start + 1; | |
875 | } | |
876 | ||
1da177e4 LT |
877 | /* |
878 | * opcode,type,reclaim,offset,length,new_lock_owner = 32 | |
879 | * open_seqid,open_stateid,lock_seqid,lock_owner.clientid, lock_owner.id = 40 | |
880 | */ | |
911d1aaf | 881 | static int encode_lock(struct xdr_stream *xdr, const struct nfs_lock_args *args) |
1da177e4 | 882 | { |
8687b63a | 883 | __be32 *p; |
1da177e4 LT |
884 | |
885 | RESERVE_SPACE(32); | |
886 | WRITE32(OP_LOCK); | |
911d1aaf TM |
887 | WRITE32(nfs4_lock_type(args->fl, args->block)); |
888 | WRITE32(args->reclaim); | |
889 | WRITE64(args->fl->fl_start); | |
890 | WRITE64(nfs4_lock_length(args->fl)); | |
891 | WRITE32(args->new_lock_owner); | |
892 | if (args->new_lock_owner){ | |
9f958ab8 | 893 | RESERVE_SPACE(4+NFS4_STATEID_SIZE+32); |
911d1aaf | 894 | WRITE32(args->open_seqid->sequence->counter); |
8ae20abd | 895 | WRITEMEM(args->open_stateid->data, NFS4_STATEID_SIZE); |
911d1aaf TM |
896 | WRITE32(args->lock_seqid->sequence->counter); |
897 | WRITE64(args->lock_owner.clientid); | |
9f958ab8 TM |
898 | WRITE32(16); |
899 | WRITEMEM("lock id:", 8); | |
900 | WRITE64(args->lock_owner.id); | |
1da177e4 LT |
901 | } |
902 | else { | |
8ae20abd TM |
903 | RESERVE_SPACE(NFS4_STATEID_SIZE+4); |
904 | WRITEMEM(args->lock_stateid->data, NFS4_STATEID_SIZE); | |
911d1aaf | 905 | WRITE32(args->lock_seqid->sequence->counter); |
1da177e4 LT |
906 | } |
907 | ||
908 | return 0; | |
909 | } | |
910 | ||
911d1aaf | 911 | static int encode_lockt(struct xdr_stream *xdr, const struct nfs_lockt_args *args) |
1da177e4 | 912 | { |
8687b63a | 913 | __be32 *p; |
1da177e4 | 914 | |
9f958ab8 | 915 | RESERVE_SPACE(52); |
1da177e4 | 916 | WRITE32(OP_LOCKT); |
911d1aaf TM |
917 | WRITE32(nfs4_lock_type(args->fl, 0)); |
918 | WRITE64(args->fl->fl_start); | |
919 | WRITE64(nfs4_lock_length(args->fl)); | |
920 | WRITE64(args->lock_owner.clientid); | |
9f958ab8 TM |
921 | WRITE32(16); |
922 | WRITEMEM("lock id:", 8); | |
923 | WRITE64(args->lock_owner.id); | |
1da177e4 LT |
924 | |
925 | return 0; | |
926 | } | |
927 | ||
911d1aaf | 928 | static int encode_locku(struct xdr_stream *xdr, const struct nfs_locku_args *args) |
1da177e4 | 929 | { |
8687b63a | 930 | __be32 *p; |
1da177e4 | 931 | |
8ae20abd | 932 | RESERVE_SPACE(12+NFS4_STATEID_SIZE+16); |
1da177e4 | 933 | WRITE32(OP_LOCKU); |
911d1aaf TM |
934 | WRITE32(nfs4_lock_type(args->fl, 0)); |
935 | WRITE32(args->seqid->sequence->counter); | |
8ae20abd | 936 | WRITEMEM(args->stateid->data, NFS4_STATEID_SIZE); |
911d1aaf TM |
937 | WRITE64(args->fl->fl_start); |
938 | WRITE64(nfs4_lock_length(args->fl)); | |
1da177e4 LT |
939 | |
940 | return 0; | |
941 | } | |
942 | ||
943 | static int encode_lookup(struct xdr_stream *xdr, const struct qstr *name) | |
944 | { | |
945 | int len = name->len; | |
8687b63a | 946 | __be32 *p; |
1da177e4 LT |
947 | |
948 | RESERVE_SPACE(8 + len); | |
949 | WRITE32(OP_LOOKUP); | |
950 | WRITE32(len); | |
951 | WRITEMEM(name->name, len); | |
952 | ||
953 | return 0; | |
954 | } | |
955 | ||
dc0b027d | 956 | static void encode_share_access(struct xdr_stream *xdr, fmode_t fmode) |
1da177e4 | 957 | { |
8687b63a | 958 | __be32 *p; |
1da177e4 LT |
959 | |
960 | RESERVE_SPACE(8); | |
dc0b027d | 961 | switch (fmode & (FMODE_READ|FMODE_WRITE)) { |
05d564fe AA |
962 | case FMODE_READ: |
963 | WRITE32(NFS4_SHARE_ACCESS_READ); | |
964 | break; | |
965 | case FMODE_WRITE: | |
966 | WRITE32(NFS4_SHARE_ACCESS_WRITE); | |
967 | break; | |
968 | case FMODE_READ|FMODE_WRITE: | |
969 | WRITE32(NFS4_SHARE_ACCESS_BOTH); | |
970 | break; | |
971 | default: | |
972 | WRITE32(0); | |
1da177e4 LT |
973 | } |
974 | WRITE32(0); /* for linux, share_deny = 0 always */ | |
975 | } | |
976 | ||
977 | static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
978 | { | |
8687b63a | 979 | __be32 *p; |
1da177e4 LT |
980 | /* |
981 | * opcode 4, seqid 4, share_access 4, share_deny 4, clientid 8, ownerlen 4, | |
982 | * owner 4 = 32 | |
983 | */ | |
984 | RESERVE_SPACE(8); | |
985 | WRITE32(OP_OPEN); | |
cee54fc9 | 986 | WRITE32(arg->seqid->sequence->counter); |
dc0b027d | 987 | encode_share_access(xdr, arg->fmode); |
9f958ab8 | 988 | RESERVE_SPACE(28); |
1da177e4 | 989 | WRITE64(arg->clientid); |
9f958ab8 TM |
990 | WRITE32(16); |
991 | WRITEMEM("open id:", 8); | |
992 | WRITE64(arg->id); | |
1da177e4 LT |
993 | } |
994 | ||
995 | static inline void encode_createmode(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
996 | { | |
8687b63a | 997 | __be32 *p; |
1da177e4 LT |
998 | |
999 | RESERVE_SPACE(4); | |
1000 | switch(arg->open_flags & O_EXCL) { | |
05d564fe AA |
1001 | case 0: |
1002 | WRITE32(NFS4_CREATE_UNCHECKED); | |
1003 | encode_attrs(xdr, arg->u.attrs, arg->server); | |
1004 | break; | |
1005 | default: | |
1006 | WRITE32(NFS4_CREATE_EXCLUSIVE); | |
1007 | encode_nfs4_verifier(xdr, &arg->u.verifier); | |
1da177e4 LT |
1008 | } |
1009 | } | |
1010 | ||
1011 | static void encode_opentype(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1012 | { | |
8687b63a | 1013 | __be32 *p; |
1da177e4 LT |
1014 | |
1015 | RESERVE_SPACE(4); | |
1016 | switch (arg->open_flags & O_CREAT) { | |
05d564fe AA |
1017 | case 0: |
1018 | WRITE32(NFS4_OPEN_NOCREATE); | |
1019 | break; | |
1020 | default: | |
1021 | BUG_ON(arg->claim != NFS4_OPEN_CLAIM_NULL); | |
1022 | WRITE32(NFS4_OPEN_CREATE); | |
1023 | encode_createmode(xdr, arg); | |
1da177e4 LT |
1024 | } |
1025 | } | |
1026 | ||
bd7bf9d5 | 1027 | static inline void encode_delegation_type(struct xdr_stream *xdr, fmode_t delegation_type) |
1da177e4 | 1028 | { |
8687b63a | 1029 | __be32 *p; |
1da177e4 LT |
1030 | |
1031 | RESERVE_SPACE(4); | |
1032 | switch (delegation_type) { | |
05d564fe AA |
1033 | case 0: |
1034 | WRITE32(NFS4_OPEN_DELEGATE_NONE); | |
1035 | break; | |
1036 | case FMODE_READ: | |
1037 | WRITE32(NFS4_OPEN_DELEGATE_READ); | |
1038 | break; | |
1039 | case FMODE_WRITE|FMODE_READ: | |
1040 | WRITE32(NFS4_OPEN_DELEGATE_WRITE); | |
1041 | break; | |
1042 | default: | |
1043 | BUG(); | |
1da177e4 LT |
1044 | } |
1045 | } | |
1046 | ||
1047 | static inline void encode_claim_null(struct xdr_stream *xdr, const struct qstr *name) | |
1048 | { | |
8687b63a | 1049 | __be32 *p; |
1da177e4 LT |
1050 | |
1051 | RESERVE_SPACE(4); | |
1052 | WRITE32(NFS4_OPEN_CLAIM_NULL); | |
1053 | encode_string(xdr, name->len, name->name); | |
1054 | } | |
1055 | ||
bd7bf9d5 | 1056 | static inline void encode_claim_previous(struct xdr_stream *xdr, fmode_t type) |
1da177e4 | 1057 | { |
8687b63a | 1058 | __be32 *p; |
1da177e4 LT |
1059 | |
1060 | RESERVE_SPACE(4); | |
1061 | WRITE32(NFS4_OPEN_CLAIM_PREVIOUS); | |
1062 | encode_delegation_type(xdr, type); | |
1063 | } | |
1064 | ||
1065 | static inline void encode_claim_delegate_cur(struct xdr_stream *xdr, const struct qstr *name, const nfs4_stateid *stateid) | |
1066 | { | |
8687b63a | 1067 | __be32 *p; |
1da177e4 | 1068 | |
8ae20abd | 1069 | RESERVE_SPACE(4+NFS4_STATEID_SIZE); |
1da177e4 | 1070 | WRITE32(NFS4_OPEN_CLAIM_DELEGATE_CUR); |
8ae20abd | 1071 | WRITEMEM(stateid->data, NFS4_STATEID_SIZE); |
1da177e4 LT |
1072 | encode_string(xdr, name->len, name->name); |
1073 | } | |
1074 | ||
1075 | static int encode_open(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1076 | { | |
1077 | encode_openhdr(xdr, arg); | |
1078 | encode_opentype(xdr, arg); | |
1079 | switch (arg->claim) { | |
05d564fe AA |
1080 | case NFS4_OPEN_CLAIM_NULL: |
1081 | encode_claim_null(xdr, arg->name); | |
1082 | break; | |
1083 | case NFS4_OPEN_CLAIM_PREVIOUS: | |
1084 | encode_claim_previous(xdr, arg->u.delegation_type); | |
1085 | break; | |
1086 | case NFS4_OPEN_CLAIM_DELEGATE_CUR: | |
1087 | encode_claim_delegate_cur(xdr, arg->name, &arg->u.delegation); | |
1088 | break; | |
1089 | default: | |
1090 | BUG(); | |
1da177e4 LT |
1091 | } |
1092 | return 0; | |
1093 | } | |
1094 | ||
1095 | static int encode_open_confirm(struct xdr_stream *xdr, const struct nfs_open_confirmargs *arg) | |
1096 | { | |
8687b63a | 1097 | __be32 *p; |
1da177e4 | 1098 | |
8ae20abd | 1099 | RESERVE_SPACE(4+NFS4_STATEID_SIZE+4); |
1da177e4 | 1100 | WRITE32(OP_OPEN_CONFIRM); |
8ae20abd | 1101 | WRITEMEM(arg->stateid->data, NFS4_STATEID_SIZE); |
cee54fc9 | 1102 | WRITE32(arg->seqid->sequence->counter); |
1da177e4 LT |
1103 | |
1104 | return 0; | |
1105 | } | |
1106 | ||
1107 | static int encode_open_downgrade(struct xdr_stream *xdr, const struct nfs_closeargs *arg) | |
1108 | { | |
8687b63a | 1109 | __be32 *p; |
1da177e4 | 1110 | |
8ae20abd | 1111 | RESERVE_SPACE(4+NFS4_STATEID_SIZE+4); |
1da177e4 | 1112 | WRITE32(OP_OPEN_DOWNGRADE); |
8ae20abd | 1113 | WRITEMEM(arg->stateid->data, NFS4_STATEID_SIZE); |
cee54fc9 | 1114 | WRITE32(arg->seqid->sequence->counter); |
dc0b027d | 1115 | encode_share_access(xdr, arg->fmode); |
1da177e4 LT |
1116 | return 0; |
1117 | } | |
1118 | ||
1119 | static int | |
1120 | encode_putfh(struct xdr_stream *xdr, const struct nfs_fh *fh) | |
1121 | { | |
1122 | int len = fh->size; | |
8687b63a | 1123 | __be32 *p; |
1da177e4 LT |
1124 | |
1125 | RESERVE_SPACE(8 + len); | |
1126 | WRITE32(OP_PUTFH); | |
1127 | WRITE32(len); | |
1128 | WRITEMEM(fh->data, len); | |
1129 | ||
1130 | return 0; | |
1131 | } | |
1132 | ||
1133 | static int encode_putrootfh(struct xdr_stream *xdr) | |
1134 | { | |
05d564fe | 1135 | __be32 *p; |
6c0195a4 | 1136 | |
05d564fe AA |
1137 | RESERVE_SPACE(4); |
1138 | WRITE32(OP_PUTROOTFH); | |
1da177e4 | 1139 | |
05d564fe | 1140 | return 0; |
1da177e4 LT |
1141 | } |
1142 | ||
1143 | static void encode_stateid(struct xdr_stream *xdr, const struct nfs_open_context *ctx) | |
1144 | { | |
1da177e4 | 1145 | nfs4_stateid stateid; |
8687b63a | 1146 | __be32 *p; |
1da177e4 | 1147 | |
8ae20abd | 1148 | RESERVE_SPACE(NFS4_STATEID_SIZE); |
1da177e4 LT |
1149 | if (ctx->state != NULL) { |
1150 | nfs4_copy_stateid(&stateid, ctx->state, ctx->lockowner); | |
8ae20abd | 1151 | WRITEMEM(stateid.data, NFS4_STATEID_SIZE); |
1da177e4 | 1152 | } else |
8ae20abd | 1153 | WRITEMEM(zero_stateid.data, NFS4_STATEID_SIZE); |
1da177e4 LT |
1154 | } |
1155 | ||
1156 | static int encode_read(struct xdr_stream *xdr, const struct nfs_readargs *args) | |
1157 | { | |
8687b63a | 1158 | __be32 *p; |
1da177e4 LT |
1159 | |
1160 | RESERVE_SPACE(4); | |
1161 | WRITE32(OP_READ); | |
1162 | ||
1163 | encode_stateid(xdr, args->context); | |
1164 | ||
1165 | RESERVE_SPACE(12); | |
1166 | WRITE64(args->offset); | |
1167 | WRITE32(args->count); | |
1168 | ||
1169 | return 0; | |
1170 | } | |
1171 | ||
1172 | static int encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg *readdir, struct rpc_rqst *req) | |
1173 | { | |
97d312d0 MN |
1174 | uint32_t attrs[2] = { |
1175 | FATTR4_WORD0_RDATTR_ERROR|FATTR4_WORD0_FILEID, | |
1176 | FATTR4_WORD1_MOUNTED_ON_FILEID, | |
1177 | }; | |
8687b63a | 1178 | __be32 *p; |
1da177e4 | 1179 | |
8ae20abd | 1180 | RESERVE_SPACE(12+NFS4_VERIFIER_SIZE+20); |
1da177e4 LT |
1181 | WRITE32(OP_READDIR); |
1182 | WRITE64(readdir->cookie); | |
8ae20abd | 1183 | WRITEMEM(readdir->verifier.data, NFS4_VERIFIER_SIZE); |
1da177e4 LT |
1184 | WRITE32(readdir->count >> 1); /* We're not doing readdirplus */ |
1185 | WRITE32(readdir->count); | |
1186 | WRITE32(2); | |
97d312d0 MN |
1187 | /* Switch to mounted_on_fileid if the server supports it */ |
1188 | if (readdir->bitmask[1] & FATTR4_WORD1_MOUNTED_ON_FILEID) | |
1189 | attrs[0] &= ~FATTR4_WORD0_FILEID; | |
1190 | else | |
1191 | attrs[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID; | |
1192 | WRITE32(attrs[0] & readdir->bitmask[0]); | |
1193 | WRITE32(attrs[1] & readdir->bitmask[1]); | |
44109241 FI |
1194 | dprintk("%s: cookie = %Lu, verifier = %08x:%08x, bitmap = %08x:%08x\n", |
1195 | __func__, | |
eadf4598 TM |
1196 | (unsigned long long)readdir->cookie, |
1197 | ((u32 *)readdir->verifier.data)[0], | |
1198 | ((u32 *)readdir->verifier.data)[1], | |
1199 | attrs[0] & readdir->bitmask[0], | |
1200 | attrs[1] & readdir->bitmask[1]); | |
1da177e4 | 1201 | |
1da177e4 LT |
1202 | return 0; |
1203 | } | |
1204 | ||
1205 | static int encode_readlink(struct xdr_stream *xdr, const struct nfs4_readlink *readlink, struct rpc_rqst *req) | |
1206 | { | |
8687b63a | 1207 | __be32 *p; |
1da177e4 LT |
1208 | |
1209 | RESERVE_SPACE(4); | |
1210 | WRITE32(OP_READLINK); | |
1211 | ||
1da177e4 LT |
1212 | return 0; |
1213 | } | |
1214 | ||
1215 | static int encode_remove(struct xdr_stream *xdr, const struct qstr *name) | |
1216 | { | |
8687b63a | 1217 | __be32 *p; |
1da177e4 LT |
1218 | |
1219 | RESERVE_SPACE(8 + name->len); | |
1220 | WRITE32(OP_REMOVE); | |
1221 | WRITE32(name->len); | |
1222 | WRITEMEM(name->name, name->len); | |
1223 | ||
1224 | return 0; | |
1225 | } | |
1226 | ||
1227 | static int encode_rename(struct xdr_stream *xdr, const struct qstr *oldname, const struct qstr *newname) | |
1228 | { | |
8687b63a | 1229 | __be32 *p; |
1da177e4 LT |
1230 | |
1231 | RESERVE_SPACE(8 + oldname->len); | |
1232 | WRITE32(OP_RENAME); | |
1233 | WRITE32(oldname->len); | |
1234 | WRITEMEM(oldname->name, oldname->len); | |
6c0195a4 | 1235 | |
1da177e4 LT |
1236 | RESERVE_SPACE(4 + newname->len); |
1237 | WRITE32(newname->len); | |
1238 | WRITEMEM(newname->name, newname->len); | |
1239 | ||
1240 | return 0; | |
1241 | } | |
1242 | ||
adfa6f98 | 1243 | static int encode_renew(struct xdr_stream *xdr, const struct nfs_client *client_stateid) |
1da177e4 | 1244 | { |
8687b63a | 1245 | __be32 *p; |
1da177e4 LT |
1246 | |
1247 | RESERVE_SPACE(12); | |
1248 | WRITE32(OP_RENEW); | |
1249 | WRITE64(client_stateid->cl_clientid); | |
1250 | ||
1251 | return 0; | |
1252 | } | |
1253 | ||
56ae19f3 TM |
1254 | static int |
1255 | encode_restorefh(struct xdr_stream *xdr) | |
1256 | { | |
8687b63a | 1257 | __be32 *p; |
56ae19f3 TM |
1258 | |
1259 | RESERVE_SPACE(4); | |
1260 | WRITE32(OP_RESTOREFH); | |
1261 | ||
1262 | return 0; | |
1263 | } | |
1264 | ||
23ec6965 BF |
1265 | static int |
1266 | encode_setacl(struct xdr_stream *xdr, struct nfs_setaclargs *arg) | |
1267 | { | |
8687b63a | 1268 | __be32 *p; |
23ec6965 | 1269 | |
8ae20abd | 1270 | RESERVE_SPACE(4+NFS4_STATEID_SIZE); |
23ec6965 | 1271 | WRITE32(OP_SETATTR); |
8ae20abd | 1272 | WRITEMEM(zero_stateid.data, NFS4_STATEID_SIZE); |
23ec6965 BF |
1273 | RESERVE_SPACE(2*4); |
1274 | WRITE32(1); | |
1275 | WRITE32(FATTR4_WORD0_ACL); | |
1276 | if (arg->acl_len % 4) | |
1277 | return -EINVAL; | |
1278 | RESERVE_SPACE(4); | |
1279 | WRITE32(arg->acl_len); | |
1280 | xdr_write_pages(xdr, arg->acl_pages, arg->acl_pgbase, arg->acl_len); | |
1281 | return 0; | |
1282 | } | |
1283 | ||
1da177e4 LT |
1284 | static int |
1285 | encode_savefh(struct xdr_stream *xdr) | |
1286 | { | |
8687b63a | 1287 | __be32 *p; |
1da177e4 LT |
1288 | |
1289 | RESERVE_SPACE(4); | |
1290 | WRITE32(OP_SAVEFH); | |
1291 | ||
1292 | return 0; | |
1293 | } | |
1294 | ||
1295 | static int encode_setattr(struct xdr_stream *xdr, const struct nfs_setattrargs *arg, const struct nfs_server *server) | |
1296 | { | |
1297 | int status; | |
8687b63a | 1298 | __be32 *p; |
6c0195a4 | 1299 | |
05d564fe AA |
1300 | RESERVE_SPACE(4+NFS4_STATEID_SIZE); |
1301 | WRITE32(OP_SETATTR); | |
8ae20abd | 1302 | WRITEMEM(arg->stateid.data, NFS4_STATEID_SIZE); |
1da177e4 | 1303 | |
05d564fe | 1304 | if ((status = encode_attrs(xdr, arg->iap, server))) |
1da177e4 LT |
1305 | return status; |
1306 | ||
05d564fe | 1307 | return 0; |
1da177e4 LT |
1308 | } |
1309 | ||
1310 | static int encode_setclientid(struct xdr_stream *xdr, const struct nfs4_setclientid *setclientid) | |
1311 | { | |
8687b63a | 1312 | __be32 *p; |
1da177e4 | 1313 | |
8ae20abd | 1314 | RESERVE_SPACE(4 + NFS4_VERIFIER_SIZE); |
1da177e4 | 1315 | WRITE32(OP_SETCLIENTID); |
8ae20abd | 1316 | WRITEMEM(setclientid->sc_verifier->data, NFS4_VERIFIER_SIZE); |
1da177e4 LT |
1317 | |
1318 | encode_string(xdr, setclientid->sc_name_len, setclientid->sc_name); | |
1319 | RESERVE_SPACE(4); | |
1320 | WRITE32(setclientid->sc_prog); | |
1321 | encode_string(xdr, setclientid->sc_netid_len, setclientid->sc_netid); | |
1322 | encode_string(xdr, setclientid->sc_uaddr_len, setclientid->sc_uaddr); | |
1323 | RESERVE_SPACE(4); | |
1324 | WRITE32(setclientid->sc_cb_ident); | |
1325 | ||
1326 | return 0; | |
1327 | } | |
1328 | ||
adfa6f98 | 1329 | static int encode_setclientid_confirm(struct xdr_stream *xdr, const struct nfs_client *client_state) |
1da177e4 | 1330 | { |
05d564fe | 1331 | __be32 *p; |
1da177e4 | 1332 | |
05d564fe AA |
1333 | RESERVE_SPACE(12 + NFS4_VERIFIER_SIZE); |
1334 | WRITE32(OP_SETCLIENTID_CONFIRM); | |
1335 | WRITE64(client_state->cl_clientid); | |
1336 | WRITEMEM(client_state->cl_confirm.data, NFS4_VERIFIER_SIZE); | |
1da177e4 | 1337 | |
05d564fe | 1338 | return 0; |
1da177e4 LT |
1339 | } |
1340 | ||
1341 | static int encode_write(struct xdr_stream *xdr, const struct nfs_writeargs *args) | |
1342 | { | |
8687b63a | 1343 | __be32 *p; |
1da177e4 LT |
1344 | |
1345 | RESERVE_SPACE(4); | |
1346 | WRITE32(OP_WRITE); | |
1347 | ||
1348 | encode_stateid(xdr, args->context); | |
1349 | ||
1350 | RESERVE_SPACE(16); | |
1351 | WRITE64(args->offset); | |
1352 | WRITE32(args->stable); | |
1353 | WRITE32(args->count); | |
1354 | ||
1355 | xdr_write_pages(xdr, args->pages, args->pgbase, args->count); | |
1356 | ||
1357 | return 0; | |
1358 | } | |
1359 | ||
1360 | static int encode_delegreturn(struct xdr_stream *xdr, const nfs4_stateid *stateid) | |
1361 | { | |
8687b63a | 1362 | __be32 *p; |
1da177e4 | 1363 | |
8ae20abd | 1364 | RESERVE_SPACE(4+NFS4_STATEID_SIZE); |
1da177e4 LT |
1365 | |
1366 | WRITE32(OP_DELEGRETURN); | |
8ae20abd | 1367 | WRITEMEM(stateid->data, NFS4_STATEID_SIZE); |
1da177e4 LT |
1368 | return 0; |
1369 | ||
1370 | } | |
1371 | /* | |
1372 | * END OF "GENERIC" ENCODE ROUTINES. | |
1373 | */ | |
1374 | ||
1375 | /* | |
1376 | * Encode an ACCESS request | |
1377 | */ | |
8687b63a | 1378 | static int nfs4_xdr_enc_access(struct rpc_rqst *req, __be32 *p, const struct nfs4_accessargs *args) |
1da177e4 LT |
1379 | { |
1380 | struct xdr_stream xdr; | |
1381 | struct compound_hdr hdr = { | |
76b32999 | 1382 | .nops = 3, |
1da177e4 LT |
1383 | }; |
1384 | int status; | |
1385 | ||
1386 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1387 | encode_compound_hdr(&xdr, &hdr); | |
76b32999 TM |
1388 | status = encode_putfh(&xdr, args->fh); |
1389 | if (status != 0) | |
1390 | goto out; | |
1391 | status = encode_access(&xdr, args->access); | |
1392 | if (status != 0) | |
1393 | goto out; | |
1394 | status = encode_getfattr(&xdr, args->bitmask); | |
1395 | out: | |
1da177e4 LT |
1396 | return status; |
1397 | } | |
1398 | ||
1399 | /* | |
1400 | * Encode LOOKUP request | |
1401 | */ | |
8687b63a | 1402 | static int nfs4_xdr_enc_lookup(struct rpc_rqst *req, __be32 *p, const struct nfs4_lookup_arg *args) |
1da177e4 LT |
1403 | { |
1404 | struct xdr_stream xdr; | |
1405 | struct compound_hdr hdr = { | |
1406 | .nops = 4, | |
1407 | }; | |
1408 | int status; | |
1409 | ||
1410 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1411 | encode_compound_hdr(&xdr, &hdr); | |
1412 | if ((status = encode_putfh(&xdr, args->dir_fh)) != 0) | |
1413 | goto out; | |
1414 | if ((status = encode_lookup(&xdr, args->name)) != 0) | |
1415 | goto out; | |
1416 | if ((status = encode_getfh(&xdr)) != 0) | |
1417 | goto out; | |
1418 | status = encode_getfattr(&xdr, args->bitmask); | |
1419 | out: | |
1420 | return status; | |
1421 | } | |
1422 | ||
1423 | /* | |
1424 | * Encode LOOKUP_ROOT request | |
1425 | */ | |
8687b63a | 1426 | static int nfs4_xdr_enc_lookup_root(struct rpc_rqst *req, __be32 *p, const struct nfs4_lookup_root_arg *args) |
1da177e4 LT |
1427 | { |
1428 | struct xdr_stream xdr; | |
1429 | struct compound_hdr hdr = { | |
1430 | .nops = 3, | |
1431 | }; | |
1432 | int status; | |
1433 | ||
1434 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1435 | encode_compound_hdr(&xdr, &hdr); | |
1436 | if ((status = encode_putrootfh(&xdr)) != 0) | |
1437 | goto out; | |
1438 | if ((status = encode_getfh(&xdr)) == 0) | |
1439 | status = encode_getfattr(&xdr, args->bitmask); | |
1440 | out: | |
1441 | return status; | |
1442 | } | |
1443 | ||
1444 | /* | |
1445 | * Encode REMOVE request | |
1446 | */ | |
4fdc17b2 | 1447 | static int nfs4_xdr_enc_remove(struct rpc_rqst *req, __be32 *p, const struct nfs_removeargs *args) |
1da177e4 LT |
1448 | { |
1449 | struct xdr_stream xdr; | |
1450 | struct compound_hdr hdr = { | |
16e42959 | 1451 | .nops = 3, |
1da177e4 LT |
1452 | }; |
1453 | int status; | |
1454 | ||
1455 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1456 | encode_compound_hdr(&xdr, &hdr); | |
16e42959 TM |
1457 | if ((status = encode_putfh(&xdr, args->fh)) != 0) |
1458 | goto out; | |
4fdc17b2 | 1459 | if ((status = encode_remove(&xdr, &args->name)) != 0) |
16e42959 TM |
1460 | goto out; |
1461 | status = encode_getfattr(&xdr, args->bitmask); | |
1462 | out: | |
1da177e4 LT |
1463 | return status; |
1464 | } | |
1465 | ||
1466 | /* | |
1467 | * Encode RENAME request | |
1468 | */ | |
8687b63a | 1469 | static int nfs4_xdr_enc_rename(struct rpc_rqst *req, __be32 *p, const struct nfs4_rename_arg *args) |
1da177e4 LT |
1470 | { |
1471 | struct xdr_stream xdr; | |
1472 | struct compound_hdr hdr = { | |
6caf2c82 | 1473 | .nops = 7, |
1da177e4 LT |
1474 | }; |
1475 | int status; | |
1476 | ||
1477 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1478 | encode_compound_hdr(&xdr, &hdr); | |
1479 | if ((status = encode_putfh(&xdr, args->old_dir)) != 0) | |
1480 | goto out; | |
1481 | if ((status = encode_savefh(&xdr)) != 0) | |
1482 | goto out; | |
1483 | if ((status = encode_putfh(&xdr, args->new_dir)) != 0) | |
1484 | goto out; | |
6caf2c82 TM |
1485 | if ((status = encode_rename(&xdr, args->old_name, args->new_name)) != 0) |
1486 | goto out; | |
1487 | if ((status = encode_getfattr(&xdr, args->bitmask)) != 0) | |
1488 | goto out; | |
1489 | if ((status = encode_restorefh(&xdr)) != 0) | |
1490 | goto out; | |
1491 | status = encode_getfattr(&xdr, args->bitmask); | |
1da177e4 LT |
1492 | out: |
1493 | return status; | |
1494 | } | |
1495 | ||
1496 | /* | |
1497 | * Encode LINK request | |
1498 | */ | |
8687b63a | 1499 | static int nfs4_xdr_enc_link(struct rpc_rqst *req, __be32 *p, const struct nfs4_link_arg *args) |
1da177e4 LT |
1500 | { |
1501 | struct xdr_stream xdr; | |
1502 | struct compound_hdr hdr = { | |
91ba2eee | 1503 | .nops = 7, |
1da177e4 LT |
1504 | }; |
1505 | int status; | |
1506 | ||
1507 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1508 | encode_compound_hdr(&xdr, &hdr); | |
1509 | if ((status = encode_putfh(&xdr, args->fh)) != 0) | |
1510 | goto out; | |
1511 | if ((status = encode_savefh(&xdr)) != 0) | |
1512 | goto out; | |
1513 | if ((status = encode_putfh(&xdr, args->dir_fh)) != 0) | |
1514 | goto out; | |
91ba2eee TM |
1515 | if ((status = encode_link(&xdr, args->name)) != 0) |
1516 | goto out; | |
1517 | if ((status = encode_getfattr(&xdr, args->bitmask)) != 0) | |
1518 | goto out; | |
1519 | if ((status = encode_restorefh(&xdr)) != 0) | |
1520 | goto out; | |
1521 | status = encode_getfattr(&xdr, args->bitmask); | |
1da177e4 LT |
1522 | out: |
1523 | return status; | |
1524 | } | |
1525 | ||
1526 | /* | |
1527 | * Encode CREATE request | |
1528 | */ | |
8687b63a | 1529 | static int nfs4_xdr_enc_create(struct rpc_rqst *req, __be32 *p, const struct nfs4_create_arg *args) |
1da177e4 LT |
1530 | { |
1531 | struct xdr_stream xdr; | |
1532 | struct compound_hdr hdr = { | |
56ae19f3 | 1533 | .nops = 7, |
1da177e4 LT |
1534 | }; |
1535 | int status; | |
1536 | ||
1537 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1538 | encode_compound_hdr(&xdr, &hdr); | |
1539 | if ((status = encode_putfh(&xdr, args->dir_fh)) != 0) | |
1540 | goto out; | |
56ae19f3 TM |
1541 | if ((status = encode_savefh(&xdr)) != 0) |
1542 | goto out; | |
1da177e4 LT |
1543 | if ((status = encode_create(&xdr, args)) != 0) |
1544 | goto out; | |
1545 | if ((status = encode_getfh(&xdr)) != 0) | |
1546 | goto out; | |
56ae19f3 TM |
1547 | if ((status = encode_getfattr(&xdr, args->bitmask)) != 0) |
1548 | goto out; | |
1549 | if ((status = encode_restorefh(&xdr)) != 0) | |
1550 | goto out; | |
1da177e4 LT |
1551 | status = encode_getfattr(&xdr, args->bitmask); |
1552 | out: | |
1553 | return status; | |
1554 | } | |
1555 | ||
1556 | /* | |
1557 | * Encode SYMLINK request | |
1558 | */ | |
8687b63a | 1559 | static int nfs4_xdr_enc_symlink(struct rpc_rqst *req, __be32 *p, const struct nfs4_create_arg *args) |
1da177e4 LT |
1560 | { |
1561 | return nfs4_xdr_enc_create(req, p, args); | |
1562 | } | |
1563 | ||
1564 | /* | |
1565 | * Encode GETATTR request | |
1566 | */ | |
8687b63a | 1567 | static int nfs4_xdr_enc_getattr(struct rpc_rqst *req, __be32 *p, const struct nfs4_getattr_arg *args) |
1da177e4 LT |
1568 | { |
1569 | struct xdr_stream xdr; | |
1570 | struct compound_hdr hdr = { | |
1571 | .nops = 2, | |
1572 | }; | |
1573 | int status; | |
1574 | ||
1575 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1576 | encode_compound_hdr(&xdr, &hdr); | |
1577 | if ((status = encode_putfh(&xdr, args->fh)) == 0) | |
1578 | status = encode_getfattr(&xdr, args->bitmask); | |
1579 | return status; | |
1580 | } | |
1581 | ||
1582 | /* | |
1583 | * Encode a CLOSE request | |
1584 | */ | |
8687b63a | 1585 | static int nfs4_xdr_enc_close(struct rpc_rqst *req, __be32 *p, struct nfs_closeargs *args) |
1da177e4 | 1586 | { |
05d564fe AA |
1587 | struct xdr_stream xdr; |
1588 | struct compound_hdr hdr = { | |
1589 | .nops = 3, | |
1590 | }; | |
1591 | int status; | |
1592 | ||
1593 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1594 | encode_compound_hdr(&xdr, &hdr); | |
1595 | status = encode_putfh(&xdr, args->fh); | |
1596 | if(status) | |
1597 | goto out; | |
1598 | status = encode_close(&xdr, args); | |
516a6af6 TM |
1599 | if (status != 0) |
1600 | goto out; | |
1601 | status = encode_getfattr(&xdr, args->bitmask); | |
1da177e4 | 1602 | out: |
05d564fe | 1603 | return status; |
1da177e4 LT |
1604 | } |
1605 | ||
1606 | /* | |
1607 | * Encode an OPEN request | |
1608 | */ | |
8687b63a | 1609 | static int nfs4_xdr_enc_open(struct rpc_rqst *req, __be32 *p, struct nfs_openargs *args) |
1da177e4 LT |
1610 | { |
1611 | struct xdr_stream xdr; | |
1612 | struct compound_hdr hdr = { | |
56ae19f3 | 1613 | .nops = 7, |
1da177e4 LT |
1614 | }; |
1615 | int status; | |
1616 | ||
1617 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1618 | encode_compound_hdr(&xdr, &hdr); | |
1619 | status = encode_putfh(&xdr, args->fh); | |
56ae19f3 TM |
1620 | if (status) |
1621 | goto out; | |
1622 | status = encode_savefh(&xdr); | |
1da177e4 LT |
1623 | if (status) |
1624 | goto out; | |
1625 | status = encode_open(&xdr, args); | |
1626 | if (status) | |
1627 | goto out; | |
1628 | status = encode_getfh(&xdr); | |
1629 | if (status) | |
1630 | goto out; | |
1631 | status = encode_getfattr(&xdr, args->bitmask); | |
56ae19f3 TM |
1632 | if (status) |
1633 | goto out; | |
1634 | status = encode_restorefh(&xdr); | |
1635 | if (status) | |
1636 | goto out; | |
1637 | status = encode_getfattr(&xdr, args->bitmask); | |
1da177e4 LT |
1638 | out: |
1639 | return status; | |
1640 | } | |
1641 | ||
1642 | /* | |
1643 | * Encode an OPEN_CONFIRM request | |
1644 | */ | |
8687b63a | 1645 | static int nfs4_xdr_enc_open_confirm(struct rpc_rqst *req, __be32 *p, struct nfs_open_confirmargs *args) |
1da177e4 LT |
1646 | { |
1647 | struct xdr_stream xdr; | |
1648 | struct compound_hdr hdr = { | |
1649 | .nops = 2, | |
1650 | }; | |
1651 | int status; | |
1652 | ||
1653 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1654 | encode_compound_hdr(&xdr, &hdr); | |
1655 | status = encode_putfh(&xdr, args->fh); | |
1656 | if(status) | |
1657 | goto out; | |
1658 | status = encode_open_confirm(&xdr, args); | |
1659 | out: | |
1660 | return status; | |
1661 | } | |
1662 | ||
1663 | /* | |
1664 | * Encode an OPEN request with no attributes. | |
1665 | */ | |
8687b63a | 1666 | static int nfs4_xdr_enc_open_noattr(struct rpc_rqst *req, __be32 *p, struct nfs_openargs *args) |
1da177e4 LT |
1667 | { |
1668 | struct xdr_stream xdr; | |
1669 | struct compound_hdr hdr = { | |
864472e9 | 1670 | .nops = 3, |
1da177e4 LT |
1671 | }; |
1672 | int status; | |
1673 | ||
1674 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1675 | encode_compound_hdr(&xdr, &hdr); | |
1676 | status = encode_putfh(&xdr, args->fh); | |
1677 | if (status) | |
1678 | goto out; | |
1679 | status = encode_open(&xdr, args); | |
864472e9 TM |
1680 | if (status) |
1681 | goto out; | |
1682 | status = encode_getfattr(&xdr, args->bitmask); | |
1da177e4 LT |
1683 | out: |
1684 | return status; | |
1685 | } | |
1686 | ||
1687 | /* | |
1688 | * Encode an OPEN_DOWNGRADE request | |
1689 | */ | |
8687b63a | 1690 | static int nfs4_xdr_enc_open_downgrade(struct rpc_rqst *req, __be32 *p, struct nfs_closeargs *args) |
1da177e4 LT |
1691 | { |
1692 | struct xdr_stream xdr; | |
1693 | struct compound_hdr hdr = { | |
516a6af6 | 1694 | .nops = 3, |
1da177e4 LT |
1695 | }; |
1696 | int status; | |
1697 | ||
1698 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1699 | encode_compound_hdr(&xdr, &hdr); | |
1700 | status = encode_putfh(&xdr, args->fh); | |
1701 | if (status) | |
1702 | goto out; | |
1703 | status = encode_open_downgrade(&xdr, args); | |
516a6af6 TM |
1704 | if (status != 0) |
1705 | goto out; | |
1706 | status = encode_getfattr(&xdr, args->bitmask); | |
1da177e4 LT |
1707 | out: |
1708 | return status; | |
1709 | } | |
1710 | ||
1711 | /* | |
1712 | * Encode a LOCK request | |
1713 | */ | |
8687b63a | 1714 | static int nfs4_xdr_enc_lock(struct rpc_rqst *req, __be32 *p, struct nfs_lock_args *args) |
1da177e4 LT |
1715 | { |
1716 | struct xdr_stream xdr; | |
1717 | struct compound_hdr hdr = { | |
1718 | .nops = 2, | |
1719 | }; | |
1720 | int status; | |
1721 | ||
1722 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1723 | encode_compound_hdr(&xdr, &hdr); | |
1724 | status = encode_putfh(&xdr, args->fh); | |
1725 | if(status) | |
1726 | goto out; | |
1727 | status = encode_lock(&xdr, args); | |
1728 | out: | |
1729 | return status; | |
1730 | } | |
1731 | ||
1732 | /* | |
1733 | * Encode a LOCKT request | |
1734 | */ | |
8687b63a | 1735 | static int nfs4_xdr_enc_lockt(struct rpc_rqst *req, __be32 *p, struct nfs_lockt_args *args) |
1da177e4 LT |
1736 | { |
1737 | struct xdr_stream xdr; | |
1738 | struct compound_hdr hdr = { | |
1739 | .nops = 2, | |
1740 | }; | |
1741 | int status; | |
1742 | ||
1743 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1744 | encode_compound_hdr(&xdr, &hdr); | |
1745 | status = encode_putfh(&xdr, args->fh); | |
1746 | if(status) | |
1747 | goto out; | |
1748 | status = encode_lockt(&xdr, args); | |
1749 | out: | |
1750 | return status; | |
1751 | } | |
1752 | ||
1753 | /* | |
1754 | * Encode a LOCKU request | |
1755 | */ | |
8687b63a | 1756 | static int nfs4_xdr_enc_locku(struct rpc_rqst *req, __be32 *p, struct nfs_locku_args *args) |
1da177e4 LT |
1757 | { |
1758 | struct xdr_stream xdr; | |
1759 | struct compound_hdr hdr = { | |
1760 | .nops = 2, | |
1761 | }; | |
1762 | int status; | |
1763 | ||
1764 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1765 | encode_compound_hdr(&xdr, &hdr); | |
1766 | status = encode_putfh(&xdr, args->fh); | |
1767 | if(status) | |
1768 | goto out; | |
1769 | status = encode_locku(&xdr, args); | |
1770 | out: | |
1771 | return status; | |
1772 | } | |
1773 | ||
1774 | /* | |
1775 | * Encode a READLINK request | |
1776 | */ | |
8687b63a | 1777 | static int nfs4_xdr_enc_readlink(struct rpc_rqst *req, __be32 *p, const struct nfs4_readlink *args) |
1da177e4 LT |
1778 | { |
1779 | struct xdr_stream xdr; | |
1780 | struct compound_hdr hdr = { | |
1781 | .nops = 2, | |
1782 | }; | |
e3a535e1 TM |
1783 | struct rpc_auth *auth = req->rq_task->tk_msg.rpc_cred->cr_auth; |
1784 | unsigned int replen; | |
1da177e4 LT |
1785 | int status; |
1786 | ||
1787 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1788 | encode_compound_hdr(&xdr, &hdr); | |
1789 | status = encode_putfh(&xdr, args->fh); | |
1790 | if(status) | |
1791 | goto out; | |
1792 | status = encode_readlink(&xdr, args, req); | |
e3a535e1 TM |
1793 | |
1794 | /* set up reply kvec | |
1795 | * toplevel_status + taglen + rescount + OP_PUTFH + status | |
1796 | * + OP_READLINK + status + string length = 8 | |
1797 | */ | |
1798 | replen = (RPC_REPHDRSIZE + auth->au_rslack + NFS4_dec_readlink_sz) << 2; | |
1799 | xdr_inline_pages(&req->rq_rcv_buf, replen, args->pages, | |
1800 | args->pgbase, args->pglen); | |
1801 | ||
1da177e4 LT |
1802 | out: |
1803 | return status; | |
1804 | } | |
1805 | ||
1806 | /* | |
1807 | * Encode a READDIR request | |
1808 | */ | |
8687b63a | 1809 | static int nfs4_xdr_enc_readdir(struct rpc_rqst *req, __be32 *p, const struct nfs4_readdir_arg *args) |
1da177e4 LT |
1810 | { |
1811 | struct xdr_stream xdr; | |
1812 | struct compound_hdr hdr = { | |
1813 | .nops = 2, | |
1814 | }; | |
d6ac02df TM |
1815 | struct rpc_auth *auth = req->rq_task->tk_msg.rpc_cred->cr_auth; |
1816 | int replen; | |
1da177e4 LT |
1817 | int status; |
1818 | ||
1819 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1820 | encode_compound_hdr(&xdr, &hdr); | |
1821 | status = encode_putfh(&xdr, args->fh); | |
1822 | if(status) | |
1823 | goto out; | |
1824 | status = encode_readdir(&xdr, args, req); | |
d6ac02df TM |
1825 | |
1826 | /* set up reply kvec | |
1827 | * toplevel_status + taglen + rescount + OP_PUTFH + status | |
1828 | * + OP_READDIR + status + verifer(2) = 9 | |
1829 | */ | |
1830 | replen = (RPC_REPHDRSIZE + auth->au_rslack + NFS4_dec_readdir_sz) << 2; | |
1831 | xdr_inline_pages(&req->rq_rcv_buf, replen, args->pages, | |
1832 | args->pgbase, args->count); | |
1833 | dprintk("%s: inlined page args = (%u, %p, %u, %u)\n", | |
3110ff80 | 1834 | __func__, replen, args->pages, |
d6ac02df TM |
1835 | args->pgbase, args->count); |
1836 | ||
1da177e4 LT |
1837 | out: |
1838 | return status; | |
1839 | } | |
1840 | ||
1841 | /* | |
1842 | * Encode a READ request | |
1843 | */ | |
8687b63a | 1844 | static int nfs4_xdr_enc_read(struct rpc_rqst *req, __be32 *p, struct nfs_readargs *args) |
1da177e4 | 1845 | { |
1be27f36 | 1846 | struct rpc_auth *auth = req->rq_task->tk_msg.rpc_cred->cr_auth; |
1da177e4 LT |
1847 | struct xdr_stream xdr; |
1848 | struct compound_hdr hdr = { | |
1849 | .nops = 2, | |
1850 | }; | |
1851 | int replen, status; | |
1852 | ||
1853 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1854 | encode_compound_hdr(&xdr, &hdr); | |
1855 | status = encode_putfh(&xdr, args->fh); | |
1856 | if (status) | |
1857 | goto out; | |
1858 | status = encode_read(&xdr, args); | |
1859 | if (status) | |
1860 | goto out; | |
1861 | ||
1862 | /* set up reply kvec | |
1863 | * toplevel status + taglen=0 + rescount + OP_PUTFH + status | |
1864 | * + OP_READ + status + eof + datalen = 9 | |
1865 | */ | |
1866 | replen = (RPC_REPHDRSIZE + auth->au_rslack + NFS4_dec_read_sz) << 2; | |
1867 | xdr_inline_pages(&req->rq_rcv_buf, replen, | |
1868 | args->pages, args->pgbase, args->count); | |
4f22ccc3 | 1869 | req->rq_rcv_buf.flags |= XDRBUF_READ; |
1da177e4 LT |
1870 | out: |
1871 | return status; | |
1872 | } | |
1873 | ||
1874 | /* | |
1875 | * Encode an SETATTR request | |
1876 | */ | |
8687b63a | 1877 | static int nfs4_xdr_enc_setattr(struct rpc_rqst *req, __be32 *p, struct nfs_setattrargs *args) |
1da177e4 | 1878 | { |
05d564fe AA |
1879 | struct xdr_stream xdr; |
1880 | struct compound_hdr hdr = { | |
1881 | .nops = 3, | |
1882 | }; | |
1883 | int status; | |
1884 | ||
1885 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1886 | encode_compound_hdr(&xdr, &hdr); | |
1887 | status = encode_putfh(&xdr, args->fh); | |
1888 | if(status) | |
1889 | goto out; | |
1890 | status = encode_setattr(&xdr, args, args->server); | |
1891 | if(status) | |
1892 | goto out; | |
1da177e4 LT |
1893 | status = encode_getfattr(&xdr, args->bitmask); |
1894 | out: | |
05d564fe | 1895 | return status; |
1da177e4 LT |
1896 | } |
1897 | ||
029d105e BF |
1898 | /* |
1899 | * Encode a GETACL request | |
1900 | */ | |
1901 | static int | |
8687b63a | 1902 | nfs4_xdr_enc_getacl(struct rpc_rqst *req, __be32 *p, |
029d105e BF |
1903 | struct nfs_getaclargs *args) |
1904 | { | |
1905 | struct xdr_stream xdr; | |
1be27f36 | 1906 | struct rpc_auth *auth = req->rq_task->tk_msg.rpc_cred->cr_auth; |
029d105e BF |
1907 | struct compound_hdr hdr = { |
1908 | .nops = 2, | |
1909 | }; | |
1910 | int replen, status; | |
1911 | ||
1912 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1913 | encode_compound_hdr(&xdr, &hdr); | |
1914 | status = encode_putfh(&xdr, args->fh); | |
1915 | if (status) | |
1916 | goto out; | |
1917 | status = encode_getattr_two(&xdr, FATTR4_WORD0_ACL, 0); | |
1918 | /* set up reply buffer: */ | |
1919 | replen = (RPC_REPHDRSIZE + auth->au_rslack + NFS4_dec_getacl_sz) << 2; | |
1920 | xdr_inline_pages(&req->rq_rcv_buf, replen, | |
1921 | args->acl_pages, args->acl_pgbase, args->acl_len); | |
1922 | out: | |
1923 | return status; | |
1924 | } | |
1925 | ||
1da177e4 LT |
1926 | /* |
1927 | * Encode a WRITE request | |
1928 | */ | |
8687b63a | 1929 | static int nfs4_xdr_enc_write(struct rpc_rqst *req, __be32 *p, struct nfs_writeargs *args) |
1da177e4 LT |
1930 | { |
1931 | struct xdr_stream xdr; | |
1932 | struct compound_hdr hdr = { | |
4f9838c7 | 1933 | .nops = 3, |
1da177e4 LT |
1934 | }; |
1935 | int status; | |
1936 | ||
1937 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1938 | encode_compound_hdr(&xdr, &hdr); | |
1939 | status = encode_putfh(&xdr, args->fh); | |
1940 | if (status) | |
1941 | goto out; | |
1942 | status = encode_write(&xdr, args); | |
4f9838c7 TM |
1943 | if (status) |
1944 | goto out; | |
4f22ccc3 | 1945 | req->rq_snd_buf.flags |= XDRBUF_WRITE; |
4f9838c7 | 1946 | status = encode_getfattr(&xdr, args->bitmask); |
1da177e4 LT |
1947 | out: |
1948 | return status; | |
1949 | } | |
1950 | ||
1951 | /* | |
1952 | * a COMMIT request | |
1953 | */ | |
8687b63a | 1954 | static int nfs4_xdr_enc_commit(struct rpc_rqst *req, __be32 *p, struct nfs_writeargs *args) |
1da177e4 LT |
1955 | { |
1956 | struct xdr_stream xdr; | |
1957 | struct compound_hdr hdr = { | |
4f9838c7 | 1958 | .nops = 3, |
1da177e4 LT |
1959 | }; |
1960 | int status; | |
1961 | ||
1962 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1963 | encode_compound_hdr(&xdr, &hdr); | |
1964 | status = encode_putfh(&xdr, args->fh); | |
1965 | if (status) | |
1966 | goto out; | |
1967 | status = encode_commit(&xdr, args); | |
4f9838c7 TM |
1968 | if (status) |
1969 | goto out; | |
1970 | status = encode_getfattr(&xdr, args->bitmask); | |
1da177e4 LT |
1971 | out: |
1972 | return status; | |
1973 | } | |
1974 | ||
1975 | /* | |
1976 | * FSINFO request | |
1977 | */ | |
8687b63a | 1978 | static int nfs4_xdr_enc_fsinfo(struct rpc_rqst *req, __be32 *p, struct nfs4_fsinfo_arg *args) |
1da177e4 LT |
1979 | { |
1980 | struct xdr_stream xdr; | |
1981 | struct compound_hdr hdr = { | |
1982 | .nops = 2, | |
1983 | }; | |
1984 | int status; | |
1985 | ||
1986 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
1987 | encode_compound_hdr(&xdr, &hdr); | |
1988 | status = encode_putfh(&xdr, args->fh); | |
1989 | if (!status) | |
1990 | status = encode_fsinfo(&xdr, args->bitmask); | |
1991 | return status; | |
1992 | } | |
1993 | ||
1994 | /* | |
1995 | * a PATHCONF request | |
1996 | */ | |
8687b63a | 1997 | static int nfs4_xdr_enc_pathconf(struct rpc_rqst *req, __be32 *p, const struct nfs4_pathconf_arg *args) |
1da177e4 | 1998 | { |
1da177e4 LT |
1999 | struct xdr_stream xdr; |
2000 | struct compound_hdr hdr = { | |
2001 | .nops = 2, | |
2002 | }; | |
2003 | int status; | |
2004 | ||
2005 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
2006 | encode_compound_hdr(&xdr, &hdr); | |
2007 | status = encode_putfh(&xdr, args->fh); | |
2008 | if (!status) | |
2009 | status = encode_getattr_one(&xdr, | |
2010 | args->bitmask[0] & nfs4_pathconf_bitmap[0]); | |
2011 | return status; | |
2012 | } | |
2013 | ||
2014 | /* | |
2015 | * a STATFS request | |
2016 | */ | |
8687b63a | 2017 | static int nfs4_xdr_enc_statfs(struct rpc_rqst *req, __be32 *p, const struct nfs4_statfs_arg *args) |
1da177e4 | 2018 | { |
1da177e4 LT |
2019 | struct xdr_stream xdr; |
2020 | struct compound_hdr hdr = { | |
2021 | .nops = 2, | |
2022 | }; | |
2023 | int status; | |
2024 | ||
2025 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
2026 | encode_compound_hdr(&xdr, &hdr); | |
2027 | status = encode_putfh(&xdr, args->fh); | |
2028 | if (status == 0) | |
2029 | status = encode_getattr_two(&xdr, | |
2030 | args->bitmask[0] & nfs4_statfs_bitmap[0], | |
2031 | args->bitmask[1] & nfs4_statfs_bitmap[1]); | |
2032 | return status; | |
2033 | } | |
2034 | ||
2035 | /* | |
2036 | * GETATTR_BITMAP request | |
2037 | */ | |
8687b63a | 2038 | static int nfs4_xdr_enc_server_caps(struct rpc_rqst *req, __be32 *p, const struct nfs_fh *fhandle) |
1da177e4 LT |
2039 | { |
2040 | struct xdr_stream xdr; | |
2041 | struct compound_hdr hdr = { | |
2042 | .nops = 2, | |
2043 | }; | |
2044 | int status; | |
2045 | ||
2046 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
2047 | encode_compound_hdr(&xdr, &hdr); | |
2048 | status = encode_putfh(&xdr, fhandle); | |
2049 | if (status == 0) | |
2050 | status = encode_getattr_one(&xdr, FATTR4_WORD0_SUPPORTED_ATTRS| | |
2051 | FATTR4_WORD0_LINK_SUPPORT| | |
2052 | FATTR4_WORD0_SYMLINK_SUPPORT| | |
2053 | FATTR4_WORD0_ACLSUPPORT); | |
2054 | return status; | |
2055 | } | |
2056 | ||
2057 | /* | |
2058 | * a RENEW request | |
2059 | */ | |
8687b63a | 2060 | static int nfs4_xdr_enc_renew(struct rpc_rqst *req, __be32 *p, struct nfs_client *clp) |
1da177e4 LT |
2061 | { |
2062 | struct xdr_stream xdr; | |
2063 | struct compound_hdr hdr = { | |
2064 | .nops = 1, | |
2065 | }; | |
2066 | ||
2067 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
2068 | encode_compound_hdr(&xdr, &hdr); | |
2069 | return encode_renew(&xdr, clp); | |
2070 | } | |
2071 | ||
2072 | /* | |
2073 | * a SETCLIENTID request | |
2074 | */ | |
8687b63a | 2075 | static int nfs4_xdr_enc_setclientid(struct rpc_rqst *req, __be32 *p, struct nfs4_setclientid *sc) |
1da177e4 LT |
2076 | { |
2077 | struct xdr_stream xdr; | |
2078 | struct compound_hdr hdr = { | |
2079 | .nops = 1, | |
2080 | }; | |
2081 | ||
2082 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
2083 | encode_compound_hdr(&xdr, &hdr); | |
2084 | return encode_setclientid(&xdr, sc); | |
2085 | } | |
2086 | ||
2087 | /* | |
2088 | * a SETCLIENTID_CONFIRM request | |
2089 | */ | |
8687b63a | 2090 | static int nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, __be32 *p, struct nfs_client *clp) |
1da177e4 LT |
2091 | { |
2092 | struct xdr_stream xdr; | |
2093 | struct compound_hdr hdr = { | |
2094 | .nops = 3, | |
2095 | }; | |
2096 | const u32 lease_bitmap[2] = { FATTR4_WORD0_LEASE_TIME, 0 }; | |
2097 | int status; | |
2098 | ||
2099 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
2100 | encode_compound_hdr(&xdr, &hdr); | |
2101 | status = encode_setclientid_confirm(&xdr, clp); | |
2102 | if (!status) | |
2103 | status = encode_putrootfh(&xdr); | |
2104 | if (!status) | |
2105 | status = encode_fsinfo(&xdr, lease_bitmap); | |
2106 | return status; | |
2107 | } | |
2108 | ||
2109 | /* | |
2110 | * DELEGRETURN request | |
2111 | */ | |
8687b63a | 2112 | static int nfs4_xdr_enc_delegreturn(struct rpc_rqst *req, __be32 *p, const struct nfs4_delegreturnargs *args) |
1da177e4 LT |
2113 | { |
2114 | struct xdr_stream xdr; | |
2115 | struct compound_hdr hdr = { | |
fa178f29 | 2116 | .nops = 3, |
1da177e4 LT |
2117 | }; |
2118 | int status; | |
2119 | ||
2120 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
2121 | encode_compound_hdr(&xdr, &hdr); | |
fa178f29 TM |
2122 | status = encode_putfh(&xdr, args->fhandle); |
2123 | if (status != 0) | |
2124 | goto out; | |
2125 | status = encode_delegreturn(&xdr, args->stateid); | |
2126 | if (status != 0) | |
2127 | goto out; | |
2128 | status = encode_getfattr(&xdr, args->bitmask); | |
2129 | out: | |
1da177e4 LT |
2130 | return status; |
2131 | } | |
2132 | ||
683b57b4 TM |
2133 | /* |
2134 | * Encode FS_LOCATIONS request | |
2135 | */ | |
8687b63a | 2136 | static int nfs4_xdr_enc_fs_locations(struct rpc_rqst *req, __be32 *p, struct nfs4_fs_locations_arg *args) |
683b57b4 TM |
2137 | { |
2138 | struct xdr_stream xdr; | |
2139 | struct compound_hdr hdr = { | |
2140 | .nops = 3, | |
2141 | }; | |
1be27f36 | 2142 | struct rpc_auth *auth = req->rq_task->tk_msg.rpc_cred->cr_auth; |
683b57b4 TM |
2143 | int replen; |
2144 | int status; | |
2145 | ||
2146 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
2147 | encode_compound_hdr(&xdr, &hdr); | |
2148 | if ((status = encode_putfh(&xdr, args->dir_fh)) != 0) | |
2149 | goto out; | |
2150 | if ((status = encode_lookup(&xdr, args->name)) != 0) | |
2151 | goto out; | |
830b8e33 | 2152 | if ((status = encode_fs_locations(&xdr, args->bitmask)) != 0) |
683b57b4 TM |
2153 | goto out; |
2154 | /* set up reply | |
830b8e33 | 2155 | * toplevel_status + OP_PUTFH + status |
683b57b4 TM |
2156 | * + OP_LOOKUP + status + OP_GETATTR + status = 7 |
2157 | */ | |
2158 | replen = (RPC_REPHDRSIZE + auth->au_rslack + 7) << 2; | |
2159 | xdr_inline_pages(&req->rq_rcv_buf, replen, &args->page, | |
2160 | 0, PAGE_SIZE); | |
2161 | out: | |
2162 | return status; | |
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; |
1da177e4 LT |
2302 | |
2303 | *type = 0; | |
2304 | if (unlikely(bitmap[0] & (FATTR4_WORD0_TYPE - 1U))) | |
2305 | return -EIO; | |
2306 | if (likely(bitmap[0] & FATTR4_WORD0_TYPE)) { | |
2307 | READ_BUF(4); | |
2308 | READ32(*type); | |
2309 | if (*type < NF4REG || *type > NF4NAMEDATTR) { | |
3110ff80 | 2310 | dprintk("%s: bad type %d\n", __func__, *type); |
1da177e4 LT |
2311 | return -EIO; |
2312 | } | |
2313 | bitmap[0] &= ~FATTR4_WORD0_TYPE; | |
2314 | } | |
3110ff80 | 2315 | dprintk("%s: type=0%o\n", __func__, nfs_type2fmt[*type].nfs2type); |
1da177e4 LT |
2316 | return 0; |
2317 | } | |
2318 | ||
2319 | static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *change) | |
2320 | { | |
8687b63a | 2321 | __be32 *p; |
1da177e4 LT |
2322 | |
2323 | *change = 0; | |
2324 | if (unlikely(bitmap[0] & (FATTR4_WORD0_CHANGE - 1U))) | |
2325 | return -EIO; | |
2326 | if (likely(bitmap[0] & FATTR4_WORD0_CHANGE)) { | |
2327 | READ_BUF(8); | |
2328 | READ64(*change); | |
2329 | bitmap[0] &= ~FATTR4_WORD0_CHANGE; | |
2330 | } | |
3110ff80 | 2331 | dprintk("%s: change attribute=%Lu\n", __func__, |
1da177e4 LT |
2332 | (unsigned long long)*change); |
2333 | return 0; | |
2334 | } | |
2335 | ||
2336 | static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *size) | |
2337 | { | |
8687b63a | 2338 | __be32 *p; |
1da177e4 LT |
2339 | |
2340 | *size = 0; | |
2341 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SIZE - 1U))) | |
2342 | return -EIO; | |
2343 | if (likely(bitmap[0] & FATTR4_WORD0_SIZE)) { | |
2344 | READ_BUF(8); | |
2345 | READ64(*size); | |
2346 | bitmap[0] &= ~FATTR4_WORD0_SIZE; | |
2347 | } | |
3110ff80 | 2348 | dprintk("%s: file size=%Lu\n", __func__, (unsigned long long)*size); |
1da177e4 LT |
2349 | return 0; |
2350 | } | |
2351 | ||
2352 | static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
2353 | { | |
8687b63a | 2354 | __be32 *p; |
1da177e4 LT |
2355 | |
2356 | *res = 0; | |
2357 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LINK_SUPPORT - 1U))) | |
2358 | return -EIO; | |
2359 | if (likely(bitmap[0] & FATTR4_WORD0_LINK_SUPPORT)) { | |
2360 | READ_BUF(4); | |
2361 | READ32(*res); | |
2362 | bitmap[0] &= ~FATTR4_WORD0_LINK_SUPPORT; | |
2363 | } | |
3110ff80 | 2364 | dprintk("%s: link support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 LT |
2365 | return 0; |
2366 | } | |
2367 | ||
2368 | static int decode_attr_symlink_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
2369 | { | |
8687b63a | 2370 | __be32 *p; |
1da177e4 LT |
2371 | |
2372 | *res = 0; | |
2373 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SYMLINK_SUPPORT - 1U))) | |
2374 | return -EIO; | |
2375 | if (likely(bitmap[0] & FATTR4_WORD0_SYMLINK_SUPPORT)) { | |
2376 | READ_BUF(4); | |
2377 | READ32(*res); | |
2378 | bitmap[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT; | |
2379 | } | |
3110ff80 | 2380 | dprintk("%s: symlink support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 LT |
2381 | return 0; |
2382 | } | |
2383 | ||
8b4bdcf8 | 2384 | static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fsid *fsid) |
1da177e4 | 2385 | { |
8687b63a | 2386 | __be32 *p; |
1da177e4 LT |
2387 | |
2388 | fsid->major = 0; | |
2389 | fsid->minor = 0; | |
2390 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FSID - 1U))) | |
2391 | return -EIO; | |
2392 | if (likely(bitmap[0] & FATTR4_WORD0_FSID)) { | |
2393 | READ_BUF(16); | |
2394 | READ64(fsid->major); | |
2395 | READ64(fsid->minor); | |
2396 | bitmap[0] &= ~FATTR4_WORD0_FSID; | |
2397 | } | |
3110ff80 | 2398 | dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __func__, |
1da177e4 LT |
2399 | (unsigned long long)fsid->major, |
2400 | (unsigned long long)fsid->minor); | |
2401 | return 0; | |
2402 | } | |
2403 | ||
2404 | static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
2405 | { | |
8687b63a | 2406 | __be32 *p; |
1da177e4 LT |
2407 | |
2408 | *res = 60; | |
2409 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LEASE_TIME - 1U))) | |
2410 | return -EIO; | |
2411 | if (likely(bitmap[0] & FATTR4_WORD0_LEASE_TIME)) { | |
2412 | READ_BUF(4); | |
2413 | READ32(*res); | |
2414 | bitmap[0] &= ~FATTR4_WORD0_LEASE_TIME; | |
2415 | } | |
3110ff80 | 2416 | dprintk("%s: file size=%u\n", __func__, (unsigned int)*res); |
1da177e4 LT |
2417 | return 0; |
2418 | } | |
2419 | ||
2420 | static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
2421 | { | |
8687b63a | 2422 | __be32 *p; |
1da177e4 LT |
2423 | |
2424 | *res = ACL4_SUPPORT_ALLOW_ACL|ACL4_SUPPORT_DENY_ACL; | |
2425 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACLSUPPORT - 1U))) | |
2426 | return -EIO; | |
2427 | if (likely(bitmap[0] & FATTR4_WORD0_ACLSUPPORT)) { | |
2428 | READ_BUF(4); | |
2429 | READ32(*res); | |
2430 | bitmap[0] &= ~FATTR4_WORD0_ACLSUPPORT; | |
2431 | } | |
3110ff80 | 2432 | dprintk("%s: ACLs supported=%u\n", __func__, (unsigned int)*res); |
1da177e4 LT |
2433 | return 0; |
2434 | } | |
2435 | ||
2436 | static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) | |
2437 | { | |
8687b63a | 2438 | __be32 *p; |
1da177e4 LT |
2439 | |
2440 | *fileid = 0; | |
2441 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEID - 1U))) | |
2442 | return -EIO; | |
2443 | if (likely(bitmap[0] & FATTR4_WORD0_FILEID)) { | |
2444 | READ_BUF(8); | |
2445 | READ64(*fileid); | |
2446 | bitmap[0] &= ~FATTR4_WORD0_FILEID; | |
2447 | } | |
3110ff80 | 2448 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
1da177e4 LT |
2449 | return 0; |
2450 | } | |
2451 | ||
99baf625 MN |
2452 | static int decode_attr_mounted_on_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) |
2453 | { | |
8687b63a | 2454 | __be32 *p; |
99baf625 MN |
2455 | |
2456 | *fileid = 0; | |
2457 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MOUNTED_ON_FILEID - 1U))) | |
2458 | return -EIO; | |
2459 | if (likely(bitmap[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) { | |
2460 | READ_BUF(8); | |
2461 | READ64(*fileid); | |
2462 | bitmap[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID; | |
2463 | } | |
3110ff80 | 2464 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
99baf625 MN |
2465 | return 0; |
2466 | } | |
2467 | ||
1da177e4 LT |
2468 | static int decode_attr_files_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
2469 | { | |
8687b63a | 2470 | __be32 *p; |
1da177e4 LT |
2471 | int status = 0; |
2472 | ||
2473 | *res = 0; | |
2474 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_AVAIL - 1U))) | |
2475 | return -EIO; | |
2476 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_AVAIL)) { | |
2477 | READ_BUF(8); | |
2478 | READ64(*res); | |
2479 | bitmap[0] &= ~FATTR4_WORD0_FILES_AVAIL; | |
2480 | } | |
3110ff80 | 2481 | dprintk("%s: files avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 LT |
2482 | return status; |
2483 | } | |
2484 | ||
2485 | static int decode_attr_files_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
2486 | { | |
8687b63a | 2487 | __be32 *p; |
1da177e4 LT |
2488 | int status = 0; |
2489 | ||
2490 | *res = 0; | |
2491 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_FREE - 1U))) | |
2492 | return -EIO; | |
2493 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_FREE)) { | |
2494 | READ_BUF(8); | |
2495 | READ64(*res); | |
2496 | bitmap[0] &= ~FATTR4_WORD0_FILES_FREE; | |
2497 | } | |
3110ff80 | 2498 | dprintk("%s: files free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 LT |
2499 | return status; |
2500 | } | |
2501 | ||
2502 | static int decode_attr_files_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
2503 | { | |
8687b63a | 2504 | __be32 *p; |
1da177e4 LT |
2505 | int status = 0; |
2506 | ||
2507 | *res = 0; | |
2508 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_TOTAL - 1U))) | |
2509 | return -EIO; | |
2510 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_TOTAL)) { | |
2511 | READ_BUF(8); | |
2512 | READ64(*res); | |
2513 | bitmap[0] &= ~FATTR4_WORD0_FILES_TOTAL; | |
2514 | } | |
3110ff80 | 2515 | dprintk("%s: files total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 LT |
2516 | return status; |
2517 | } | |
2518 | ||
7aaa0b3b MN |
2519 | static int decode_pathname(struct xdr_stream *xdr, struct nfs4_pathname *path) |
2520 | { | |
464ad6b1 | 2521 | u32 n; |
8687b63a | 2522 | __be32 *p; |
7aaa0b3b MN |
2523 | int status = 0; |
2524 | ||
2525 | READ_BUF(4); | |
2526 | READ32(n); | |
33a43f28 AA |
2527 | if (n == 0) |
2528 | goto root_path; | |
7aaa0b3b MN |
2529 | dprintk("path "); |
2530 | path->ncomponents = 0; | |
2531 | while (path->ncomponents < n) { | |
2532 | struct nfs4_string *component = &path->components[path->ncomponents]; | |
2533 | status = decode_opaque_inline(xdr, &component->len, &component->data); | |
2534 | if (unlikely(status != 0)) | |
2535 | goto out_eio; | |
2536 | if (path->ncomponents != n) | |
2537 | dprintk("/"); | |
2538 | dprintk("%s", component->data); | |
2539 | if (path->ncomponents < NFS4_PATHNAME_MAXCOMPONENTS) | |
2540 | path->ncomponents++; | |
2541 | else { | |
2542 | dprintk("cannot parse %d components in path\n", n); | |
2543 | goto out_eio; | |
2544 | } | |
2545 | } | |
2546 | out: | |
2547 | dprintk("\n"); | |
2548 | return status; | |
33a43f28 AA |
2549 | root_path: |
2550 | /* a root pathname is sent as a zero component4 */ | |
2551 | path->ncomponents = 1; | |
2552 | path->components[0].len=0; | |
2553 | path->components[0].data=NULL; | |
2554 | dprintk("path /\n"); | |
2555 | goto out; | |
7aaa0b3b MN |
2556 | out_eio: |
2557 | dprintk(" status %d", status); | |
2558 | status = -EIO; | |
2559 | goto out; | |
2560 | } | |
2561 | ||
2562 | static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_fs_locations *res) | |
683b57b4 TM |
2563 | { |
2564 | int n; | |
8687b63a | 2565 | __be32 *p; |
683b57b4 TM |
2566 | int status = -EIO; |
2567 | ||
2568 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FS_LOCATIONS -1U))) | |
2569 | goto out; | |
2570 | status = 0; | |
2571 | if (unlikely(!(bitmap[0] & FATTR4_WORD0_FS_LOCATIONS))) | |
2572 | goto out; | |
3110ff80 | 2573 | dprintk("%s: fsroot ", __func__); |
7aaa0b3b | 2574 | status = decode_pathname(xdr, &res->fs_path); |
683b57b4 TM |
2575 | if (unlikely(status != 0)) |
2576 | goto out; | |
2577 | READ_BUF(4); | |
2578 | READ32(n); | |
2579 | if (n <= 0) | |
2580 | goto out_eio; | |
2581 | res->nlocations = 0; | |
2582 | while (res->nlocations < n) { | |
464ad6b1 | 2583 | u32 m; |
7aaa0b3b | 2584 | struct nfs4_fs_location *loc = &res->locations[res->nlocations]; |
683b57b4 | 2585 | |
7aaa0b3b MN |
2586 | READ_BUF(4); |
2587 | READ32(m); | |
7aaa0b3b MN |
2588 | |
2589 | loc->nservers = 0; | |
3110ff80 | 2590 | dprintk("%s: servers ", __func__); |
7aaa0b3b MN |
2591 | while (loc->nservers < m) { |
2592 | struct nfs4_string *server = &loc->servers[loc->nservers]; | |
2593 | status = decode_opaque_inline(xdr, &server->len, &server->data); | |
2594 | if (unlikely(status != 0)) | |
2595 | goto out_eio; | |
2596 | dprintk("%s ", server->data); | |
2597 | if (loc->nservers < NFS4_FS_LOCATION_MAXSERVERS) | |
2598 | loc->nservers++; | |
2599 | else { | |
464ad6b1 CL |
2600 | unsigned int i; |
2601 | dprintk("%s: using first %u of %u servers " | |
2602 | "returned for location %u\n", | |
3110ff80 | 2603 | __func__, |
464ad6b1 CL |
2604 | NFS4_FS_LOCATION_MAXSERVERS, |
2605 | m, res->nlocations); | |
7aaa0b3b | 2606 | for (i = loc->nservers; i < m; i++) { |
2e42c3e2 | 2607 | unsigned int len; |
7aaa0b3b MN |
2608 | char *data; |
2609 | status = decode_opaque_inline(xdr, &len, &data); | |
2610 | if (unlikely(status != 0)) | |
2611 | goto out_eio; | |
2612 | } | |
2613 | } | |
2614 | } | |
2615 | status = decode_pathname(xdr, &loc->rootpath); | |
683b57b4 TM |
2616 | if (unlikely(status != 0)) |
2617 | goto out_eio; | |
7aaa0b3b | 2618 | if (res->nlocations < NFS4_FS_LOCATIONS_MAXENTRIES) |
683b57b4 TM |
2619 | res->nlocations++; |
2620 | } | |
2621 | out: | |
3110ff80 | 2622 | dprintk("%s: fs_locations done, error = %d\n", __func__, status); |
683b57b4 TM |
2623 | return status; |
2624 | out_eio: | |
2625 | status = -EIO; | |
2626 | goto out; | |
2627 | } | |
2628 | ||
1da177e4 LT |
2629 | static int decode_attr_maxfilesize(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
2630 | { | |
8687b63a | 2631 | __be32 *p; |
1da177e4 LT |
2632 | int status = 0; |
2633 | ||
2634 | *res = 0; | |
2635 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXFILESIZE - 1U))) | |
2636 | return -EIO; | |
2637 | if (likely(bitmap[0] & FATTR4_WORD0_MAXFILESIZE)) { | |
2638 | READ_BUF(8); | |
2639 | READ64(*res); | |
2640 | bitmap[0] &= ~FATTR4_WORD0_MAXFILESIZE; | |
2641 | } | |
3110ff80 | 2642 | dprintk("%s: maxfilesize=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 LT |
2643 | return status; |
2644 | } | |
2645 | ||
2646 | static int decode_attr_maxlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxlink) | |
2647 | { | |
8687b63a | 2648 | __be32 *p; |
1da177e4 LT |
2649 | int status = 0; |
2650 | ||
2651 | *maxlink = 1; | |
2652 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXLINK - 1U))) | |
2653 | return -EIO; | |
2654 | if (likely(bitmap[0] & FATTR4_WORD0_MAXLINK)) { | |
2655 | READ_BUF(4); | |
2656 | READ32(*maxlink); | |
2657 | bitmap[0] &= ~FATTR4_WORD0_MAXLINK; | |
2658 | } | |
3110ff80 | 2659 | dprintk("%s: maxlink=%u\n", __func__, *maxlink); |
1da177e4 LT |
2660 | return status; |
2661 | } | |
2662 | ||
2663 | static int decode_attr_maxname(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxname) | |
2664 | { | |
8687b63a | 2665 | __be32 *p; |
1da177e4 LT |
2666 | int status = 0; |
2667 | ||
2668 | *maxname = 1024; | |
2669 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXNAME - 1U))) | |
2670 | return -EIO; | |
2671 | if (likely(bitmap[0] & FATTR4_WORD0_MAXNAME)) { | |
2672 | READ_BUF(4); | |
2673 | READ32(*maxname); | |
2674 | bitmap[0] &= ~FATTR4_WORD0_MAXNAME; | |
2675 | } | |
3110ff80 | 2676 | dprintk("%s: maxname=%u\n", __func__, *maxname); |
1da177e4 LT |
2677 | return status; |
2678 | } | |
2679 | ||
2680 | static int decode_attr_maxread(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
2681 | { | |
8687b63a | 2682 | __be32 *p; |
1da177e4 LT |
2683 | int status = 0; |
2684 | ||
2685 | *res = 1024; | |
2686 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXREAD - 1U))) | |
2687 | return -EIO; | |
2688 | if (likely(bitmap[0] & FATTR4_WORD0_MAXREAD)) { | |
2689 | uint64_t maxread; | |
2690 | READ_BUF(8); | |
2691 | READ64(maxread); | |
2692 | if (maxread > 0x7FFFFFFF) | |
2693 | maxread = 0x7FFFFFFF; | |
2694 | *res = (uint32_t)maxread; | |
2695 | bitmap[0] &= ~FATTR4_WORD0_MAXREAD; | |
2696 | } | |
3110ff80 | 2697 | dprintk("%s: maxread=%lu\n", __func__, (unsigned long)*res); |
1da177e4 LT |
2698 | return status; |
2699 | } | |
2700 | ||
2701 | static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
2702 | { | |
8687b63a | 2703 | __be32 *p; |
1da177e4 LT |
2704 | int status = 0; |
2705 | ||
2706 | *res = 1024; | |
2707 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXWRITE - 1U))) | |
2708 | return -EIO; | |
2709 | if (likely(bitmap[0] & FATTR4_WORD0_MAXWRITE)) { | |
2710 | uint64_t maxwrite; | |
2711 | READ_BUF(8); | |
2712 | READ64(maxwrite); | |
2713 | if (maxwrite > 0x7FFFFFFF) | |
2714 | maxwrite = 0x7FFFFFFF; | |
2715 | *res = (uint32_t)maxwrite; | |
2716 | bitmap[0] &= ~FATTR4_WORD0_MAXWRITE; | |
2717 | } | |
3110ff80 | 2718 | dprintk("%s: maxwrite=%lu\n", __func__, (unsigned long)*res); |
1da177e4 LT |
2719 | return status; |
2720 | } | |
2721 | ||
2722 | static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *mode) | |
2723 | { | |
8687b63a | 2724 | __be32 *p; |
1da177e4 LT |
2725 | |
2726 | *mode = 0; | |
2727 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MODE - 1U))) | |
2728 | return -EIO; | |
2729 | if (likely(bitmap[1] & FATTR4_WORD1_MODE)) { | |
2730 | READ_BUF(4); | |
2731 | READ32(*mode); | |
2732 | *mode &= ~S_IFMT; | |
2733 | bitmap[1] &= ~FATTR4_WORD1_MODE; | |
2734 | } | |
3110ff80 | 2735 | dprintk("%s: file mode=0%o\n", __func__, (unsigned int)*mode); |
1da177e4 LT |
2736 | return 0; |
2737 | } | |
2738 | ||
2739 | static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *nlink) | |
2740 | { | |
8687b63a | 2741 | __be32 *p; |
1da177e4 LT |
2742 | |
2743 | *nlink = 1; | |
2744 | if (unlikely(bitmap[1] & (FATTR4_WORD1_NUMLINKS - 1U))) | |
2745 | return -EIO; | |
2746 | if (likely(bitmap[1] & FATTR4_WORD1_NUMLINKS)) { | |
2747 | READ_BUF(4); | |
2748 | READ32(*nlink); | |
2749 | bitmap[1] &= ~FATTR4_WORD1_NUMLINKS; | |
2750 | } | |
3110ff80 | 2751 | dprintk("%s: nlink=%u\n", __func__, (unsigned int)*nlink); |
1da177e4 LT |
2752 | return 0; |
2753 | } | |
2754 | ||
2e42c3e2 | 2755 | static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_client *clp, uint32_t *uid) |
1da177e4 | 2756 | { |
8687b63a AV |
2757 | uint32_t len; |
2758 | __be32 *p; | |
1da177e4 LT |
2759 | |
2760 | *uid = -2; | |
2761 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER - 1U))) | |
2762 | return -EIO; | |
2763 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER)) { | |
2764 | READ_BUF(4); | |
2765 | READ32(len); | |
2766 | READ_BUF(len); | |
2767 | if (len < XDR_MAX_NETOBJ) { | |
2768 | if (nfs_map_name_to_uid(clp, (char *)p, len, uid) != 0) | |
2769 | dprintk("%s: nfs_map_name_to_uid failed!\n", | |
3110ff80 | 2770 | __func__); |
1da177e4 | 2771 | } else |
fe82a183 | 2772 | dprintk("%s: name too long (%u)!\n", |
3110ff80 | 2773 | __func__, len); |
1da177e4 LT |
2774 | bitmap[1] &= ~FATTR4_WORD1_OWNER; |
2775 | } | |
3110ff80 | 2776 | dprintk("%s: uid=%d\n", __func__, (int)*uid); |
1da177e4 LT |
2777 | return 0; |
2778 | } | |
2779 | ||
2e42c3e2 | 2780 | static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_client *clp, uint32_t *gid) |
1da177e4 | 2781 | { |
8687b63a AV |
2782 | uint32_t len; |
2783 | __be32 *p; | |
1da177e4 LT |
2784 | |
2785 | *gid = -2; | |
2786 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER_GROUP - 1U))) | |
2787 | return -EIO; | |
2788 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER_GROUP)) { | |
2789 | READ_BUF(4); | |
2790 | READ32(len); | |
2791 | READ_BUF(len); | |
2792 | if (len < XDR_MAX_NETOBJ) { | |
2793 | if (nfs_map_group_to_gid(clp, (char *)p, len, gid) != 0) | |
2794 | dprintk("%s: nfs_map_group_to_gid failed!\n", | |
3110ff80 | 2795 | __func__); |
1da177e4 | 2796 | } else |
fe82a183 | 2797 | dprintk("%s: name too long (%u)!\n", |
3110ff80 | 2798 | __func__, len); |
1da177e4 LT |
2799 | bitmap[1] &= ~FATTR4_WORD1_OWNER_GROUP; |
2800 | } | |
3110ff80 | 2801 | dprintk("%s: gid=%d\n", __func__, (int)*gid); |
1da177e4 LT |
2802 | return 0; |
2803 | } | |
2804 | ||
2805 | static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rdev) | |
2806 | { | |
8687b63a AV |
2807 | uint32_t major = 0, minor = 0; |
2808 | __be32 *p; | |
1da177e4 LT |
2809 | |
2810 | *rdev = MKDEV(0,0); | |
2811 | if (unlikely(bitmap[1] & (FATTR4_WORD1_RAWDEV - 1U))) | |
2812 | return -EIO; | |
2813 | if (likely(bitmap[1] & FATTR4_WORD1_RAWDEV)) { | |
2814 | dev_t tmp; | |
2815 | ||
2816 | READ_BUF(8); | |
2817 | READ32(major); | |
2818 | READ32(minor); | |
2819 | tmp = MKDEV(major, minor); | |
2820 | if (MAJOR(tmp) == major && MINOR(tmp) == minor) | |
2821 | *rdev = tmp; | |
2822 | bitmap[1] &= ~ FATTR4_WORD1_RAWDEV; | |
2823 | } | |
3110ff80 | 2824 | dprintk("%s: rdev=(0x%x:0x%x)\n", __func__, major, minor); |
1da177e4 LT |
2825 | return 0; |
2826 | } | |
2827 | ||
2828 | static int decode_attr_space_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
2829 | { | |
8687b63a | 2830 | __be32 *p; |
1da177e4 LT |
2831 | int status = 0; |
2832 | ||
2833 | *res = 0; | |
2834 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_AVAIL - 1U))) | |
2835 | return -EIO; | |
2836 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_AVAIL)) { | |
2837 | READ_BUF(8); | |
2838 | READ64(*res); | |
2839 | bitmap[1] &= ~FATTR4_WORD1_SPACE_AVAIL; | |
2840 | } | |
3110ff80 | 2841 | dprintk("%s: space avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 LT |
2842 | return status; |
2843 | } | |
2844 | ||
2845 | static int decode_attr_space_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
2846 | { | |
8687b63a | 2847 | __be32 *p; |
1da177e4 LT |
2848 | int status = 0; |
2849 | ||
2850 | *res = 0; | |
2851 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_FREE - 1U))) | |
2852 | return -EIO; | |
2853 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_FREE)) { | |
2854 | READ_BUF(8); | |
2855 | READ64(*res); | |
2856 | bitmap[1] &= ~FATTR4_WORD1_SPACE_FREE; | |
2857 | } | |
3110ff80 | 2858 | dprintk("%s: space free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 LT |
2859 | return status; |
2860 | } | |
2861 | ||
2862 | static int decode_attr_space_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
2863 | { | |
8687b63a | 2864 | __be32 *p; |
1da177e4 LT |
2865 | int status = 0; |
2866 | ||
2867 | *res = 0; | |
2868 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_TOTAL - 1U))) | |
2869 | return -EIO; | |
2870 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_TOTAL)) { | |
2871 | READ_BUF(8); | |
2872 | READ64(*res); | |
2873 | bitmap[1] &= ~FATTR4_WORD1_SPACE_TOTAL; | |
2874 | } | |
3110ff80 | 2875 | dprintk("%s: space total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 LT |
2876 | return status; |
2877 | } | |
2878 | ||
2879 | static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *used) | |
2880 | { | |
8687b63a | 2881 | __be32 *p; |
1da177e4 LT |
2882 | |
2883 | *used = 0; | |
2884 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_USED - 1U))) | |
2885 | return -EIO; | |
2886 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_USED)) { | |
2887 | READ_BUF(8); | |
2888 | READ64(*used); | |
2889 | bitmap[1] &= ~FATTR4_WORD1_SPACE_USED; | |
2890 | } | |
3110ff80 | 2891 | dprintk("%s: space used=%Lu\n", __func__, |
1da177e4 LT |
2892 | (unsigned long long)*used); |
2893 | return 0; | |
2894 | } | |
2895 | ||
2896 | static int decode_attr_time(struct xdr_stream *xdr, struct timespec *time) | |
2897 | { | |
8687b63a | 2898 | __be32 *p; |
1da177e4 LT |
2899 | uint64_t sec; |
2900 | uint32_t nsec; | |
2901 | ||
2902 | READ_BUF(12); | |
2903 | READ64(sec); | |
2904 | READ32(nsec); | |
2905 | time->tv_sec = (time_t)sec; | |
2906 | time->tv_nsec = (long)nsec; | |
2907 | return 0; | |
2908 | } | |
2909 | ||
2910 | static int decode_attr_time_access(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
2911 | { | |
2912 | int status = 0; | |
2913 | ||
2914 | time->tv_sec = 0; | |
2915 | time->tv_nsec = 0; | |
2916 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_ACCESS - 1U))) | |
2917 | return -EIO; | |
2918 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_ACCESS)) { | |
2919 | status = decode_attr_time(xdr, time); | |
2920 | bitmap[1] &= ~FATTR4_WORD1_TIME_ACCESS; | |
2921 | } | |
3110ff80 | 2922 | dprintk("%s: atime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
2923 | return status; |
2924 | } | |
2925 | ||
2926 | static int decode_attr_time_metadata(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
2927 | { | |
2928 | int status = 0; | |
2929 | ||
2930 | time->tv_sec = 0; | |
2931 | time->tv_nsec = 0; | |
2932 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_METADATA - 1U))) | |
2933 | return -EIO; | |
2934 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_METADATA)) { | |
2935 | status = decode_attr_time(xdr, time); | |
2936 | bitmap[1] &= ~FATTR4_WORD1_TIME_METADATA; | |
2937 | } | |
3110ff80 | 2938 | dprintk("%s: ctime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
2939 | return status; |
2940 | } | |
2941 | ||
2942 | static int decode_attr_time_modify(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
2943 | { | |
2944 | int status = 0; | |
2945 | ||
2946 | time->tv_sec = 0; | |
2947 | time->tv_nsec = 0; | |
2948 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_MODIFY - 1U))) | |
2949 | return -EIO; | |
2950 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_MODIFY)) { | |
2951 | status = decode_attr_time(xdr, time); | |
2952 | bitmap[1] &= ~FATTR4_WORD1_TIME_MODIFY; | |
2953 | } | |
3110ff80 | 2954 | dprintk("%s: mtime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
2955 | return status; |
2956 | } | |
2957 | ||
8687b63a | 2958 | static int verify_attr_len(struct xdr_stream *xdr, __be32 *savep, uint32_t attrlen) |
1da177e4 LT |
2959 | { |
2960 | unsigned int attrwords = XDR_QUADLEN(attrlen); | |
2961 | unsigned int nwords = xdr->p - savep; | |
2962 | ||
2963 | if (unlikely(attrwords != nwords)) { | |
fe82a183 CL |
2964 | dprintk("%s: server returned incorrect attribute length: " |
2965 | "%u %c %u\n", | |
3110ff80 | 2966 | __func__, |
1da177e4 LT |
2967 | attrwords << 2, |
2968 | (attrwords < nwords) ? '<' : '>', | |
2969 | nwords << 2); | |
2970 | return -EIO; | |
2971 | } | |
2972 | return 0; | |
2973 | } | |
2974 | ||
2975 | static int decode_change_info(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
2976 | { | |
8687b63a | 2977 | __be32 *p; |
1da177e4 LT |
2978 | |
2979 | READ_BUF(20); | |
2980 | READ32(cinfo->atomic); | |
2981 | READ64(cinfo->before); | |
2982 | READ64(cinfo->after); | |
2983 | return 0; | |
2984 | } | |
2985 | ||
2986 | static int decode_access(struct xdr_stream *xdr, struct nfs4_accessres *access) | |
2987 | { | |
8687b63a | 2988 | __be32 *p; |
1da177e4 LT |
2989 | uint32_t supp, acc; |
2990 | int status; | |
2991 | ||
2992 | status = decode_op_hdr(xdr, OP_ACCESS); | |
2993 | if (status) | |
2994 | return status; | |
2995 | READ_BUF(8); | |
2996 | READ32(supp); | |
2997 | READ32(acc); | |
2998 | access->supported = supp; | |
2999 | access->access = acc; | |
3000 | return 0; | |
3001 | } | |
3002 | ||
3003 | static int decode_close(struct xdr_stream *xdr, struct nfs_closeres *res) | |
3004 | { | |
8687b63a | 3005 | __be32 *p; |
1da177e4 LT |
3006 | int status; |
3007 | ||
3008 | status = decode_op_hdr(xdr, OP_CLOSE); | |
c1d51931 TM |
3009 | if (status != -EIO) |
3010 | nfs_increment_open_seqid(status, res->seqid); | |
1da177e4 LT |
3011 | if (status) |
3012 | return status; | |
8ae20abd TM |
3013 | READ_BUF(NFS4_STATEID_SIZE); |
3014 | COPYMEM(res->stateid.data, NFS4_STATEID_SIZE); | |
1da177e4 LT |
3015 | return 0; |
3016 | } | |
3017 | ||
3018 | static int decode_commit(struct xdr_stream *xdr, struct nfs_writeres *res) | |
3019 | { | |
8687b63a | 3020 | __be32 *p; |
1da177e4 LT |
3021 | int status; |
3022 | ||
3023 | status = decode_op_hdr(xdr, OP_COMMIT); | |
3024 | if (status) | |
3025 | return status; | |
3026 | READ_BUF(8); | |
3027 | COPYMEM(res->verf->verifier, 8); | |
3028 | return 0; | |
3029 | } | |
3030 | ||
3031 | static int decode_create(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
3032 | { | |
8687b63a | 3033 | __be32 *p; |
1da177e4 LT |
3034 | uint32_t bmlen; |
3035 | int status; | |
3036 | ||
3037 | status = decode_op_hdr(xdr, OP_CREATE); | |
3038 | if (status) | |
3039 | return status; | |
3040 | if ((status = decode_change_info(xdr, cinfo))) | |
3041 | return status; | |
3042 | READ_BUF(4); | |
3043 | READ32(bmlen); | |
3044 | READ_BUF(bmlen << 2); | |
3045 | return 0; | |
3046 | } | |
3047 | ||
3048 | static int decode_server_caps(struct xdr_stream *xdr, struct nfs4_server_caps_res *res) | |
3049 | { | |
8687b63a | 3050 | __be32 *savep; |
6c0195a4 | 3051 | uint32_t attrlen, bitmap[2] = {0}; |
1da177e4 LT |
3052 | int status; |
3053 | ||
3054 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
3055 | goto xdr_error; | |
3056 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
3057 | goto xdr_error; | |
3058 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
3059 | goto xdr_error; | |
3060 | if ((status = decode_attr_supported(xdr, bitmap, res->attr_bitmask)) != 0) | |
3061 | goto xdr_error; | |
3062 | if ((status = decode_attr_link_support(xdr, bitmap, &res->has_links)) != 0) | |
3063 | goto xdr_error; | |
3064 | if ((status = decode_attr_symlink_support(xdr, bitmap, &res->has_symlinks)) != 0) | |
3065 | goto xdr_error; | |
3066 | if ((status = decode_attr_aclsupport(xdr, bitmap, &res->acl_bitmask)) != 0) | |
3067 | goto xdr_error; | |
3068 | status = verify_attr_len(xdr, savep, attrlen); | |
3069 | xdr_error: | |
3110ff80 | 3070 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
3071 | return status; |
3072 | } | |
6c0195a4 | 3073 | |
1da177e4 LT |
3074 | static int decode_statfs(struct xdr_stream *xdr, struct nfs_fsstat *fsstat) |
3075 | { | |
8687b63a | 3076 | __be32 *savep; |
6c0195a4 | 3077 | uint32_t attrlen, bitmap[2] = {0}; |
1da177e4 | 3078 | int status; |
6c0195a4 | 3079 | |
1da177e4 LT |
3080 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
3081 | goto xdr_error; | |
3082 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
3083 | goto xdr_error; | |
3084 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
3085 | goto xdr_error; | |
3086 | ||
3087 | if ((status = decode_attr_files_avail(xdr, bitmap, &fsstat->afiles)) != 0) | |
3088 | goto xdr_error; | |
3089 | if ((status = decode_attr_files_free(xdr, bitmap, &fsstat->ffiles)) != 0) | |
3090 | goto xdr_error; | |
3091 | if ((status = decode_attr_files_total(xdr, bitmap, &fsstat->tfiles)) != 0) | |
3092 | goto xdr_error; | |
3093 | if ((status = decode_attr_space_avail(xdr, bitmap, &fsstat->abytes)) != 0) | |
3094 | goto xdr_error; | |
3095 | if ((status = decode_attr_space_free(xdr, bitmap, &fsstat->fbytes)) != 0) | |
3096 | goto xdr_error; | |
3097 | if ((status = decode_attr_space_total(xdr, bitmap, &fsstat->tbytes)) != 0) | |
3098 | goto xdr_error; | |
3099 | ||
3100 | status = verify_attr_len(xdr, savep, attrlen); | |
3101 | xdr_error: | |
3110ff80 | 3102 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
3103 | return status; |
3104 | } | |
3105 | ||
3106 | static int decode_pathconf(struct xdr_stream *xdr, struct nfs_pathconf *pathconf) | |
3107 | { | |
8687b63a | 3108 | __be32 *savep; |
6c0195a4 | 3109 | uint32_t attrlen, bitmap[2] = {0}; |
1da177e4 | 3110 | int status; |
6c0195a4 | 3111 | |
1da177e4 LT |
3112 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
3113 | goto xdr_error; | |
3114 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
3115 | goto xdr_error; | |
3116 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
3117 | goto xdr_error; | |
3118 | ||
3119 | if ((status = decode_attr_maxlink(xdr, bitmap, &pathconf->max_link)) != 0) | |
3120 | goto xdr_error; | |
3121 | if ((status = decode_attr_maxname(xdr, bitmap, &pathconf->max_namelen)) != 0) | |
3122 | goto xdr_error; | |
3123 | ||
3124 | status = verify_attr_len(xdr, savep, attrlen); | |
3125 | xdr_error: | |
3110ff80 | 3126 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
3127 | return status; |
3128 | } | |
3129 | ||
3130 | static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr, const struct nfs_server *server) | |
3131 | { | |
8687b63a | 3132 | __be32 *savep; |
1da177e4 LT |
3133 | uint32_t attrlen, |
3134 | bitmap[2] = {0}, | |
3135 | type; | |
3136 | int status, fmode = 0; | |
99baf625 | 3137 | uint64_t fileid; |
1da177e4 LT |
3138 | |
3139 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
3140 | goto xdr_error; | |
3141 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
3142 | goto xdr_error; | |
3143 | ||
3144 | fattr->bitmap[0] = bitmap[0]; | |
3145 | fattr->bitmap[1] = bitmap[1]; | |
3146 | ||
3147 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
3148 | goto xdr_error; | |
3149 | ||
3150 | ||
3151 | if ((status = decode_attr_type(xdr, bitmap, &type)) != 0) | |
3152 | goto xdr_error; | |
3153 | fattr->type = nfs_type2fmt[type].nfs2type; | |
3154 | fmode = nfs_type2fmt[type].mode; | |
3155 | ||
3156 | if ((status = decode_attr_change(xdr, bitmap, &fattr->change_attr)) != 0) | |
3157 | goto xdr_error; | |
3158 | if ((status = decode_attr_size(xdr, bitmap, &fattr->size)) != 0) | |
3159 | goto xdr_error; | |
8b4bdcf8 | 3160 | if ((status = decode_attr_fsid(xdr, bitmap, &fattr->fsid)) != 0) |
1da177e4 LT |
3161 | goto xdr_error; |
3162 | if ((status = decode_attr_fileid(xdr, bitmap, &fattr->fileid)) != 0) | |
3163 | goto xdr_error; | |
683b57b4 | 3164 | if ((status = decode_attr_fs_locations(xdr, bitmap, container_of(fattr, |
7aaa0b3b | 3165 | struct nfs4_fs_locations, |
683b57b4 TM |
3166 | fattr))) != 0) |
3167 | goto xdr_error; | |
1da177e4 LT |
3168 | if ((status = decode_attr_mode(xdr, bitmap, &fattr->mode)) != 0) |
3169 | goto xdr_error; | |
3170 | fattr->mode |= fmode; | |
3171 | if ((status = decode_attr_nlink(xdr, bitmap, &fattr->nlink)) != 0) | |
3172 | goto xdr_error; | |
7539bbab | 3173 | if ((status = decode_attr_owner(xdr, bitmap, server->nfs_client, &fattr->uid)) != 0) |
1da177e4 | 3174 | goto xdr_error; |
7539bbab | 3175 | if ((status = decode_attr_group(xdr, bitmap, server->nfs_client, &fattr->gid)) != 0) |
1da177e4 LT |
3176 | goto xdr_error; |
3177 | if ((status = decode_attr_rdev(xdr, bitmap, &fattr->rdev)) != 0) | |
3178 | goto xdr_error; | |
3179 | if ((status = decode_attr_space_used(xdr, bitmap, &fattr->du.nfs3.used)) != 0) | |
3180 | goto xdr_error; | |
3181 | if ((status = decode_attr_time_access(xdr, bitmap, &fattr->atime)) != 0) | |
3182 | goto xdr_error; | |
3183 | if ((status = decode_attr_time_metadata(xdr, bitmap, &fattr->ctime)) != 0) | |
3184 | goto xdr_error; | |
3185 | if ((status = decode_attr_time_modify(xdr, bitmap, &fattr->mtime)) != 0) | |
3186 | goto xdr_error; | |
99baf625 MN |
3187 | if ((status = decode_attr_mounted_on_fileid(xdr, bitmap, &fileid)) != 0) |
3188 | goto xdr_error; | |
3189 | if (fattr->fileid == 0 && fileid != 0) | |
3190 | fattr->fileid = fileid; | |
33801147 | 3191 | if ((status = verify_attr_len(xdr, savep, attrlen)) == 0) |
1da177e4 | 3192 | fattr->valid = NFS_ATTR_FATTR | NFS_ATTR_FATTR_V3 | NFS_ATTR_FATTR_V4; |
1da177e4 | 3193 | xdr_error: |
3110ff80 | 3194 | dprintk("%s: xdr returned %d\n", __func__, -status); |
1da177e4 LT |
3195 | return status; |
3196 | } | |
3197 | ||
3198 | ||
3199 | static int decode_fsinfo(struct xdr_stream *xdr, struct nfs_fsinfo *fsinfo) | |
3200 | { | |
8687b63a | 3201 | __be32 *savep; |
1da177e4 LT |
3202 | uint32_t attrlen, bitmap[2]; |
3203 | int status; | |
3204 | ||
3205 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
3206 | goto xdr_error; | |
3207 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
3208 | goto xdr_error; | |
3209 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
3210 | goto xdr_error; | |
3211 | ||
3212 | fsinfo->rtmult = fsinfo->wtmult = 512; /* ??? */ | |
3213 | ||
3214 | if ((status = decode_attr_lease_time(xdr, bitmap, &fsinfo->lease_time)) != 0) | |
3215 | goto xdr_error; | |
3216 | if ((status = decode_attr_maxfilesize(xdr, bitmap, &fsinfo->maxfilesize)) != 0) | |
3217 | goto xdr_error; | |
3218 | if ((status = decode_attr_maxread(xdr, bitmap, &fsinfo->rtmax)) != 0) | |
3219 | goto xdr_error; | |
3220 | fsinfo->rtpref = fsinfo->dtpref = fsinfo->rtmax; | |
3221 | if ((status = decode_attr_maxwrite(xdr, bitmap, &fsinfo->wtmax)) != 0) | |
3222 | goto xdr_error; | |
3223 | fsinfo->wtpref = fsinfo->wtmax; | |
3224 | ||
3225 | status = verify_attr_len(xdr, savep, attrlen); | |
3226 | xdr_error: | |
3110ff80 | 3227 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
3228 | return status; |
3229 | } | |
3230 | ||
3231 | static int decode_getfh(struct xdr_stream *xdr, struct nfs_fh *fh) | |
3232 | { | |
8687b63a | 3233 | __be32 *p; |
1da177e4 LT |
3234 | uint32_t len; |
3235 | int status; | |
3236 | ||
9936781d TM |
3237 | /* Zero handle first to allow comparisons */ |
3238 | memset(fh, 0, sizeof(*fh)); | |
3239 | ||
1da177e4 LT |
3240 | status = decode_op_hdr(xdr, OP_GETFH); |
3241 | if (status) | |
3242 | return status; | |
1da177e4 LT |
3243 | |
3244 | READ_BUF(4); | |
3245 | READ32(len); | |
3246 | if (len > NFS4_FHSIZE) | |
3247 | return -EIO; | |
3248 | fh->size = len; | |
3249 | READ_BUF(len); | |
3250 | COPYMEM(fh->data, len); | |
3251 | return 0; | |
3252 | } | |
3253 | ||
3254 | static int decode_link(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
3255 | { | |
3256 | int status; | |
6c0195a4 | 3257 | |
1da177e4 LT |
3258 | status = decode_op_hdr(xdr, OP_LINK); |
3259 | if (status) | |
3260 | return status; | |
3261 | return decode_change_info(xdr, cinfo); | |
3262 | } | |
3263 | ||
3264 | /* | |
3265 | * We create the owner, so we know a proper owner.id length is 4. | |
3266 | */ | |
911d1aaf | 3267 | static int decode_lock_denied (struct xdr_stream *xdr, struct file_lock *fl) |
1da177e4 | 3268 | { |
911d1aaf | 3269 | uint64_t offset, length, clientid; |
8687b63a | 3270 | __be32 *p; |
911d1aaf | 3271 | uint32_t namelen, type; |
1da177e4 LT |
3272 | |
3273 | READ_BUF(32); | |
911d1aaf TM |
3274 | READ64(offset); |
3275 | READ64(length); | |
3276 | READ32(type); | |
3277 | if (fl != NULL) { | |
3278 | fl->fl_start = (loff_t)offset; | |
3279 | fl->fl_end = fl->fl_start + (loff_t)length - 1; | |
3280 | if (length == ~(uint64_t)0) | |
3281 | fl->fl_end = OFFSET_MAX; | |
3282 | fl->fl_type = F_WRLCK; | |
3283 | if (type & 1) | |
3284 | fl->fl_type = F_RDLCK; | |
3285 | fl->fl_pid = 0; | |
3286 | } | |
3287 | READ64(clientid); | |
1da177e4 LT |
3288 | READ32(namelen); |
3289 | READ_BUF(namelen); | |
1da177e4 LT |
3290 | return -NFS4ERR_DENIED; |
3291 | } | |
3292 | ||
911d1aaf | 3293 | static int decode_lock(struct xdr_stream *xdr, struct nfs_lock_res *res) |
1da177e4 | 3294 | { |
8687b63a | 3295 | __be32 *p; |
1da177e4 LT |
3296 | int status; |
3297 | ||
3298 | status = decode_op_hdr(xdr, OP_LOCK); | |
c1d51931 TM |
3299 | if (status == -EIO) |
3300 | goto out; | |
1da177e4 | 3301 | if (status == 0) { |
8ae20abd TM |
3302 | READ_BUF(NFS4_STATEID_SIZE); |
3303 | COPYMEM(res->stateid.data, NFS4_STATEID_SIZE); | |
1da177e4 | 3304 | } else if (status == -NFS4ERR_DENIED) |
c1d51931 TM |
3305 | status = decode_lock_denied(xdr, NULL); |
3306 | if (res->open_seqid != NULL) | |
3307 | nfs_increment_open_seqid(status, res->open_seqid); | |
3308 | nfs_increment_lock_seqid(status, res->lock_seqid); | |
3309 | out: | |
1da177e4 LT |
3310 | return status; |
3311 | } | |
3312 | ||
911d1aaf | 3313 | static int decode_lockt(struct xdr_stream *xdr, struct nfs_lockt_res *res) |
1da177e4 LT |
3314 | { |
3315 | int status; | |
3316 | status = decode_op_hdr(xdr, OP_LOCKT); | |
3317 | if (status == -NFS4ERR_DENIED) | |
911d1aaf | 3318 | return decode_lock_denied(xdr, res->denied); |
1da177e4 LT |
3319 | return status; |
3320 | } | |
3321 | ||
911d1aaf | 3322 | static int decode_locku(struct xdr_stream *xdr, struct nfs_locku_res *res) |
1da177e4 | 3323 | { |
8687b63a | 3324 | __be32 *p; |
1da177e4 LT |
3325 | int status; |
3326 | ||
3327 | status = decode_op_hdr(xdr, OP_LOCKU); | |
c1d51931 TM |
3328 | if (status != -EIO) |
3329 | nfs_increment_lock_seqid(status, res->seqid); | |
1da177e4 | 3330 | if (status == 0) { |
8ae20abd TM |
3331 | READ_BUF(NFS4_STATEID_SIZE); |
3332 | COPYMEM(res->stateid.data, NFS4_STATEID_SIZE); | |
1da177e4 LT |
3333 | } |
3334 | return status; | |
3335 | } | |
3336 | ||
3337 | static int decode_lookup(struct xdr_stream *xdr) | |
3338 | { | |
3339 | return decode_op_hdr(xdr, OP_LOOKUP); | |
3340 | } | |
3341 | ||
3342 | /* This is too sick! */ | |
3343 | static int decode_space_limit(struct xdr_stream *xdr, u64 *maxsize) | |
3344 | { | |
05d564fe | 3345 | __be32 *p; |
1da177e4 LT |
3346 | uint32_t limit_type, nblocks, blocksize; |
3347 | ||
3348 | READ_BUF(12); | |
3349 | READ32(limit_type); | |
3350 | switch (limit_type) { | |
05d564fe AA |
3351 | case 1: |
3352 | READ64(*maxsize); | |
3353 | break; | |
3354 | case 2: | |
3355 | READ32(nblocks); | |
3356 | READ32(blocksize); | |
3357 | *maxsize = (uint64_t)nblocks * (uint64_t)blocksize; | |
1da177e4 LT |
3358 | } |
3359 | return 0; | |
3360 | } | |
3361 | ||
3362 | static int decode_delegation(struct xdr_stream *xdr, struct nfs_openres *res) | |
3363 | { | |
05d564fe AA |
3364 | __be32 *p; |
3365 | uint32_t delegation_type; | |
1da177e4 LT |
3366 | |
3367 | READ_BUF(4); | |
3368 | READ32(delegation_type); | |
3369 | if (delegation_type == NFS4_OPEN_DELEGATE_NONE) { | |
3370 | res->delegation_type = 0; | |
3371 | return 0; | |
3372 | } | |
8ae20abd TM |
3373 | READ_BUF(NFS4_STATEID_SIZE+4); |
3374 | COPYMEM(res->delegation.data, NFS4_STATEID_SIZE); | |
1da177e4 | 3375 | READ32(res->do_recall); |
05d564fe | 3376 | |
1da177e4 | 3377 | switch (delegation_type) { |
05d564fe AA |
3378 | case NFS4_OPEN_DELEGATE_READ: |
3379 | res->delegation_type = FMODE_READ; | |
3380 | break; | |
3381 | case NFS4_OPEN_DELEGATE_WRITE: | |
3382 | res->delegation_type = FMODE_WRITE|FMODE_READ; | |
3383 | if (decode_space_limit(xdr, &res->maxsize) < 0) | |
1da177e4 LT |
3384 | return -EIO; |
3385 | } | |
7539bbab | 3386 | return decode_ace(xdr, NULL, res->server->nfs_client); |
1da177e4 LT |
3387 | } |
3388 | ||
3389 | static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res) | |
3390 | { | |
05d564fe | 3391 | __be32 *p; |
aa53ed54 | 3392 | uint32_t savewords, bmlen, i; |
05d564fe | 3393 | int status; |
1da177e4 | 3394 | |
05d564fe | 3395 | status = decode_op_hdr(xdr, OP_OPEN); |
c1d51931 TM |
3396 | if (status != -EIO) |
3397 | nfs_increment_open_seqid(status, res->seqid); | |
05d564fe AA |
3398 | if (status) |
3399 | return status; | |
3400 | READ_BUF(NFS4_STATEID_SIZE); | |
3401 | COPYMEM(res->stateid.data, NFS4_STATEID_SIZE); | |
1da177e4 | 3402 | |
05d564fe | 3403 | decode_change_info(xdr, &res->cinfo); |
1da177e4 | 3404 | |
05d564fe AA |
3405 | READ_BUF(8); |
3406 | READ32(res->rflags); | |
3407 | READ32(bmlen); | |
3408 | if (bmlen > 10) | |
3409 | goto xdr_error; | |
1da177e4 | 3410 | |
05d564fe | 3411 | READ_BUF(bmlen << 2); |
aa53ed54 JL |
3412 | savewords = min_t(uint32_t, bmlen, NFS4_BITMAP_SIZE); |
3413 | for (i = 0; i < savewords; ++i) | |
3414 | READ32(res->attrset[i]); | |
3415 | for (; i < NFS4_BITMAP_SIZE; i++) | |
3416 | res->attrset[i] = 0; | |
3417 | ||
1da177e4 LT |
3418 | return decode_delegation(xdr, res); |
3419 | xdr_error: | |
3110ff80 | 3420 | dprintk("%s: Bitmap too large! Length = %u\n", __func__, bmlen); |
1da177e4 LT |
3421 | return -EIO; |
3422 | } | |
3423 | ||
3424 | static int decode_open_confirm(struct xdr_stream *xdr, struct nfs_open_confirmres *res) | |
3425 | { | |
05d564fe | 3426 | __be32 *p; |
1da177e4 LT |
3427 | int status; |
3428 | ||
05d564fe | 3429 | status = decode_op_hdr(xdr, OP_OPEN_CONFIRM); |
c1d51931 TM |
3430 | if (status != -EIO) |
3431 | nfs_increment_open_seqid(status, res->seqid); | |
05d564fe AA |
3432 | if (status) |
3433 | return status; | |
3434 | READ_BUF(NFS4_STATEID_SIZE); | |
3435 | COPYMEM(res->stateid.data, NFS4_STATEID_SIZE); | |
3436 | return 0; | |
1da177e4 LT |
3437 | } |
3438 | ||
3439 | static int decode_open_downgrade(struct xdr_stream *xdr, struct nfs_closeres *res) | |
3440 | { | |
8687b63a | 3441 | __be32 *p; |
1da177e4 LT |
3442 | int status; |
3443 | ||
3444 | status = decode_op_hdr(xdr, OP_OPEN_DOWNGRADE); | |
c1d51931 TM |
3445 | if (status != -EIO) |
3446 | nfs_increment_open_seqid(status, res->seqid); | |
1da177e4 LT |
3447 | if (status) |
3448 | return status; | |
8ae20abd TM |
3449 | READ_BUF(NFS4_STATEID_SIZE); |
3450 | COPYMEM(res->stateid.data, NFS4_STATEID_SIZE); | |
1da177e4 LT |
3451 | return 0; |
3452 | } | |
3453 | ||
3454 | static int decode_putfh(struct xdr_stream *xdr) | |
3455 | { | |
3456 | return decode_op_hdr(xdr, OP_PUTFH); | |
3457 | } | |
3458 | ||
3459 | static int decode_putrootfh(struct xdr_stream *xdr) | |
3460 | { | |
3461 | return decode_op_hdr(xdr, OP_PUTROOTFH); | |
3462 | } | |
3463 | ||
3464 | static int decode_read(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs_readres *res) | |
3465 | { | |
3466 | struct kvec *iov = req->rq_rcv_buf.head; | |
8687b63a | 3467 | __be32 *p; |
1da177e4 LT |
3468 | uint32_t count, eof, recvd, hdrlen; |
3469 | int status; | |
3470 | ||
3471 | status = decode_op_hdr(xdr, OP_READ); | |
3472 | if (status) | |
3473 | return status; | |
3474 | READ_BUF(8); | |
3475 | READ32(eof); | |
3476 | READ32(count); | |
3477 | hdrlen = (u8 *) p - (u8 *) iov->iov_base; | |
3478 | recvd = req->rq_rcv_buf.len - hdrlen; | |
3479 | if (count > recvd) { | |
fe82a183 | 3480 | dprintk("NFS: server cheating in read reply: " |
1da177e4 LT |
3481 | "count %u > recvd %u\n", count, recvd); |
3482 | count = recvd; | |
3483 | eof = 0; | |
3484 | } | |
3485 | xdr_read_pages(xdr, count); | |
3486 | res->eof = eof; | |
3487 | res->count = count; | |
3488 | return 0; | |
3489 | } | |
3490 | ||
3491 | static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs4_readdir_res *readdir) | |
3492 | { | |
3493 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; | |
3494 | struct page *page = *rcvbuf->pages; | |
3495 | struct kvec *iov = rcvbuf->head; | |
bcecff77 CL |
3496 | size_t hdrlen; |
3497 | u32 recvd, pglen = rcvbuf->page_len; | |
8687b63a | 3498 | __be32 *end, *entry, *p, *kaddr; |
7bda2cdf | 3499 | unsigned int nr = 0; |
bcecff77 | 3500 | int status; |
1da177e4 LT |
3501 | |
3502 | status = decode_op_hdr(xdr, OP_READDIR); | |
3503 | if (status) | |
3504 | return status; | |
3505 | READ_BUF(8); | |
3506 | COPYMEM(readdir->verifier.data, 8); | |
44109241 FI |
3507 | dprintk("%s: verifier = %08x:%08x\n", |
3508 | __func__, | |
eadf4598 TM |
3509 | ((u32 *)readdir->verifier.data)[0], |
3510 | ((u32 *)readdir->verifier.data)[1]); | |
3511 | ||
1da177e4 LT |
3512 | |
3513 | hdrlen = (char *) p - (char *) iov->iov_base; | |
3514 | recvd = rcvbuf->len - hdrlen; | |
3515 | if (pglen > recvd) | |
3516 | pglen = recvd; | |
3517 | xdr_read_pages(xdr, pglen); | |
3518 | ||
3519 | BUG_ON(pglen + readdir->pgbase > PAGE_CACHE_SIZE); | |
8687b63a | 3520 | kaddr = p = kmap_atomic(page, KM_USER0); |
e8896495 | 3521 | end = p + ((pglen + readdir->pgbase) >> 2); |
1da177e4 | 3522 | entry = p; |
7bda2cdf JL |
3523 | |
3524 | /* Make sure the packet actually has a value_follows and EOF entry */ | |
3525 | if ((entry + 1) > end) | |
3526 | goto short_pkt; | |
3527 | ||
3528 | for (; *p++; nr++) { | |
bcecff77 | 3529 | u32 len, attrlen, xlen; |
e8896495 | 3530 | if (end - p < 3) |
1da177e4 | 3531 | goto short_pkt; |
eadf4598 | 3532 | dprintk("cookie = %Lu, ", *((unsigned long long *)p)); |
1da177e4 LT |
3533 | p += 2; /* cookie */ |
3534 | len = ntohl(*p++); /* filename length */ | |
3535 | if (len > NFS4_MAXNAMLEN) { | |
fe82a183 CL |
3536 | dprintk("NFS: giant filename in readdir (len 0x%x)\n", |
3537 | len); | |
1da177e4 LT |
3538 | goto err_unmap; |
3539 | } | |
e8896495 DH |
3540 | xlen = XDR_QUADLEN(len); |
3541 | if (end - p < xlen + 1) | |
1da177e4 | 3542 | goto short_pkt; |
e8896495 DH |
3543 | dprintk("filename = %*s\n", len, (char *)p); |
3544 | p += xlen; | |
1da177e4 | 3545 | len = ntohl(*p++); /* bitmap length */ |
e8896495 | 3546 | if (end - p < len + 1) |
1da177e4 | 3547 | goto short_pkt; |
e8896495 | 3548 | p += len; |
1da177e4 | 3549 | attrlen = XDR_QUADLEN(ntohl(*p++)); |
e8896495 | 3550 | if (end - p < attrlen + 2) |
1da177e4 | 3551 | goto short_pkt; |
e8896495 | 3552 | p += attrlen; /* attributes */ |
1da177e4 LT |
3553 | entry = p; |
3554 | } | |
7bda2cdf JL |
3555 | /* |
3556 | * Apparently some server sends responses that are a valid size, but | |
3557 | * contain no entries, and have value_follows==0 and EOF==0. For | |
3558 | * those, just set the EOF marker. | |
3559 | */ | |
3560 | if (!nr && entry[1] == 0) { | |
3561 | dprintk("NFS: readdir reply truncated!\n"); | |
3562 | entry[1] = 1; | |
3563 | } | |
6c0195a4 | 3564 | out: |
1da177e4 LT |
3565 | kunmap_atomic(kaddr, KM_USER0); |
3566 | return 0; | |
3567 | short_pkt: | |
7bda2cdf JL |
3568 | /* |
3569 | * When we get a short packet there are 2 possibilities. We can | |
3570 | * return an error, or fix up the response to look like a valid | |
3571 | * response and return what we have so far. If there are no | |
3572 | * entries and the packet was short, then return -EIO. If there | |
3573 | * are valid entries in the response, return them and pretend that | |
3574 | * the call was successful, but incomplete. The caller can retry the | |
3575 | * readdir starting at the last cookie. | |
3576 | */ | |
3110ff80 | 3577 | dprintk("%s: short packet at entry %d\n", __func__, nr); |
1da177e4 | 3578 | entry[0] = entry[1] = 0; |
7bda2cdf JL |
3579 | if (nr) |
3580 | goto out; | |
1da177e4 LT |
3581 | err_unmap: |
3582 | kunmap_atomic(kaddr, KM_USER0); | |
3583 | return -errno_NFSERR_IO; | |
3584 | } | |
3585 | ||
3586 | static int decode_readlink(struct xdr_stream *xdr, struct rpc_rqst *req) | |
3587 | { | |
3588 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; | |
3589 | struct kvec *iov = rcvbuf->head; | |
bcecff77 CL |
3590 | size_t hdrlen; |
3591 | u32 len, recvd; | |
8687b63a | 3592 | __be32 *p; |
1da177e4 LT |
3593 | char *kaddr; |
3594 | int status; | |
3595 | ||
3596 | status = decode_op_hdr(xdr, OP_READLINK); | |
3597 | if (status) | |
3598 | return status; | |
3599 | ||
3600 | /* Convert length of symlink */ | |
3601 | READ_BUF(4); | |
3602 | READ32(len); | |
3603 | if (len >= rcvbuf->page_len || len <= 0) { | |
fe82a183 | 3604 | dprintk("nfs: server returned giant symlink!\n"); |
1da177e4 LT |
3605 | return -ENAMETOOLONG; |
3606 | } | |
3607 | hdrlen = (char *) xdr->p - (char *) iov->iov_base; | |
3608 | recvd = req->rq_rcv_buf.len - hdrlen; | |
3609 | if (recvd < len) { | |
fe82a183 | 3610 | dprintk("NFS: server cheating in readlink reply: " |
1da177e4 LT |
3611 | "count %u > recvd %u\n", len, recvd); |
3612 | return -EIO; | |
3613 | } | |
3614 | xdr_read_pages(xdr, len); | |
3615 | /* | |
3616 | * The XDR encode routine has set things up so that | |
3617 | * the link text will be copied directly into the | |
3618 | * buffer. We just have to do overflow-checking, | |
3619 | * and and null-terminate the text (the VFS expects | |
3620 | * null-termination). | |
3621 | */ | |
3622 | kaddr = (char *)kmap_atomic(rcvbuf->pages[0], KM_USER0); | |
3623 | kaddr[len+rcvbuf->page_base] = '\0'; | |
3624 | kunmap_atomic(kaddr, KM_USER0); | |
3625 | return 0; | |
3626 | } | |
3627 | ||
3628 | static int decode_remove(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
3629 | { | |
3630 | int status; | |
3631 | ||
3632 | status = decode_op_hdr(xdr, OP_REMOVE); | |
3633 | if (status) | |
3634 | goto out; | |
3635 | status = decode_change_info(xdr, cinfo); | |
3636 | out: | |
3637 | return status; | |
3638 | } | |
3639 | ||
3640 | static int decode_rename(struct xdr_stream *xdr, struct nfs4_change_info *old_cinfo, | |
3641 | struct nfs4_change_info *new_cinfo) | |
3642 | { | |
3643 | int status; | |
3644 | ||
3645 | status = decode_op_hdr(xdr, OP_RENAME); | |
3646 | if (status) | |
3647 | goto out; | |
3648 | if ((status = decode_change_info(xdr, old_cinfo))) | |
3649 | goto out; | |
3650 | status = decode_change_info(xdr, new_cinfo); | |
3651 | out: | |
3652 | return status; | |
3653 | } | |
3654 | ||
3655 | static int decode_renew(struct xdr_stream *xdr) | |
3656 | { | |
3657 | return decode_op_hdr(xdr, OP_RENEW); | |
3658 | } | |
3659 | ||
56ae19f3 TM |
3660 | static int |
3661 | decode_restorefh(struct xdr_stream *xdr) | |
3662 | { | |
3663 | return decode_op_hdr(xdr, OP_RESTOREFH); | |
3664 | } | |
3665 | ||
029d105e BF |
3666 | static int decode_getacl(struct xdr_stream *xdr, struct rpc_rqst *req, |
3667 | size_t *acl_len) | |
3668 | { | |
8687b63a | 3669 | __be32 *savep; |
029d105e BF |
3670 | uint32_t attrlen, |
3671 | bitmap[2] = {0}; | |
3672 | struct kvec *iov = req->rq_rcv_buf.head; | |
3673 | int status; | |
3674 | ||
3675 | *acl_len = 0; | |
3676 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
3677 | goto out; | |
3678 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
3679 | goto out; | |
3680 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
3681 | goto out; | |
3682 | ||
3683 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACL - 1U))) | |
3684 | return -EIO; | |
3685 | if (likely(bitmap[0] & FATTR4_WORD0_ACL)) { | |
bcecff77 CL |
3686 | size_t hdrlen; |
3687 | u32 recvd; | |
029d105e BF |
3688 | |
3689 | /* We ignore &savep and don't do consistency checks on | |
3690 | * the attr length. Let userspace figure it out.... */ | |
3691 | hdrlen = (u8 *)xdr->p - (u8 *)iov->iov_base; | |
3692 | recvd = req->rq_rcv_buf.len - hdrlen; | |
3693 | if (attrlen > recvd) { | |
fe82a183 | 3694 | dprintk("NFS: server cheating in getattr" |
029d105e BF |
3695 | " acl reply: attrlen %u > recvd %u\n", |
3696 | attrlen, recvd); | |
3697 | return -EINVAL; | |
3698 | } | |
c04871e6 | 3699 | xdr_read_pages(xdr, attrlen); |
029d105e | 3700 | *acl_len = attrlen; |
8c233cf9 BF |
3701 | } else |
3702 | status = -EOPNOTSUPP; | |
029d105e BF |
3703 | |
3704 | out: | |
3705 | return status; | |
3706 | } | |
3707 | ||
1da177e4 LT |
3708 | static int |
3709 | decode_savefh(struct xdr_stream *xdr) | |
3710 | { | |
3711 | return decode_op_hdr(xdr, OP_SAVEFH); | |
3712 | } | |
3713 | ||
3714 | static int decode_setattr(struct xdr_stream *xdr, struct nfs_setattrres *res) | |
3715 | { | |
8687b63a | 3716 | __be32 *p; |
1da177e4 LT |
3717 | uint32_t bmlen; |
3718 | int status; | |
3719 | ||
1da177e4 LT |
3720 | status = decode_op_hdr(xdr, OP_SETATTR); |
3721 | if (status) | |
3722 | return status; | |
3723 | READ_BUF(4); | |
3724 | READ32(bmlen); | |
3725 | READ_BUF(bmlen << 2); | |
3726 | return 0; | |
3727 | } | |
3728 | ||
adfa6f98 | 3729 | static int decode_setclientid(struct xdr_stream *xdr, struct nfs_client *clp) |
1da177e4 | 3730 | { |
8687b63a | 3731 | __be32 *p; |
1da177e4 LT |
3732 | uint32_t opnum; |
3733 | int32_t nfserr; | |
3734 | ||
3735 | READ_BUF(8); | |
3736 | READ32(opnum); | |
3737 | if (opnum != OP_SETCLIENTID) { | |
fe82a183 | 3738 | dprintk("nfs: decode_setclientid: Server returned operation" |
6c0195a4 | 3739 | " %d\n", opnum); |
1da177e4 LT |
3740 | return -EIO; |
3741 | } | |
3742 | READ32(nfserr); | |
3743 | if (nfserr == NFS_OK) { | |
8ae20abd | 3744 | READ_BUF(8 + NFS4_VERIFIER_SIZE); |
1da177e4 | 3745 | READ64(clp->cl_clientid); |
8ae20abd | 3746 | COPYMEM(clp->cl_confirm.data, NFS4_VERIFIER_SIZE); |
1da177e4 LT |
3747 | } else if (nfserr == NFSERR_CLID_INUSE) { |
3748 | uint32_t len; | |
3749 | ||
3750 | /* skip netid string */ | |
3751 | READ_BUF(4); | |
3752 | READ32(len); | |
3753 | READ_BUF(len); | |
3754 | ||
3755 | /* skip uaddr string */ | |
3756 | READ_BUF(4); | |
3757 | READ32(len); | |
3758 | READ_BUF(len); | |
3759 | return -NFSERR_CLID_INUSE; | |
3760 | } else | |
856dff3d | 3761 | return nfs4_stat_to_errno(nfserr); |
1da177e4 LT |
3762 | |
3763 | return 0; | |
3764 | } | |
3765 | ||
3766 | static int decode_setclientid_confirm(struct xdr_stream *xdr) | |
3767 | { | |
3768 | return decode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM); | |
3769 | } | |
3770 | ||
3771 | static int decode_write(struct xdr_stream *xdr, struct nfs_writeres *res) | |
3772 | { | |
8687b63a | 3773 | __be32 *p; |
1da177e4 LT |
3774 | int status; |
3775 | ||
3776 | status = decode_op_hdr(xdr, OP_WRITE); | |
3777 | if (status) | |
3778 | return status; | |
3779 | ||
3780 | READ_BUF(16); | |
3781 | READ32(res->count); | |
3782 | READ32(res->verf->committed); | |
3783 | COPYMEM(res->verf->verifier, 8); | |
3784 | return 0; | |
3785 | } | |
3786 | ||
3787 | static int decode_delegreturn(struct xdr_stream *xdr) | |
3788 | { | |
3789 | return decode_op_hdr(xdr, OP_DELEGRETURN); | |
3790 | } | |
3791 | ||
49c2559e BH |
3792 | /* |
3793 | * END OF "GENERIC" DECODE ROUTINES. | |
3794 | */ | |
3795 | ||
1da177e4 LT |
3796 | /* |
3797 | * Decode OPEN_DOWNGRADE response | |
3798 | */ | |
8687b63a | 3799 | static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst *rqstp, __be32 *p, struct nfs_closeres *res) |
1da177e4 | 3800 | { |
05d564fe AA |
3801 | struct xdr_stream xdr; |
3802 | struct compound_hdr hdr; | |
3803 | int status; | |
3804 | ||
3805 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
3806 | status = decode_compound_hdr(&xdr, &hdr); | |
3807 | if (status) | |
3808 | goto out; | |
3809 | status = decode_putfh(&xdr); | |
3810 | if (status) | |
3811 | goto out; | |
3812 | status = decode_open_downgrade(&xdr, res); | |
516a6af6 TM |
3813 | if (status != 0) |
3814 | goto out; | |
3815 | decode_getfattr(&xdr, res->fattr, res->server); | |
1da177e4 | 3816 | out: |
05d564fe | 3817 | return status; |
1da177e4 LT |
3818 | } |
3819 | ||
1da177e4 LT |
3820 | /* |
3821 | * Decode ACCESS response | |
3822 | */ | |
8687b63a | 3823 | static int nfs4_xdr_dec_access(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_accessres *res) |
1da177e4 LT |
3824 | { |
3825 | struct xdr_stream xdr; | |
3826 | struct compound_hdr hdr; | |
3827 | int status; | |
6c0195a4 | 3828 | |
1da177e4 LT |
3829 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
3830 | if ((status = decode_compound_hdr(&xdr, &hdr)) != 0) | |
3831 | goto out; | |
76b32999 TM |
3832 | status = decode_putfh(&xdr); |
3833 | if (status != 0) | |
3834 | goto out; | |
3835 | status = decode_access(&xdr, res); | |
3836 | if (status != 0) | |
3837 | goto out; | |
3838 | decode_getfattr(&xdr, res->fattr, res->server); | |
1da177e4 LT |
3839 | out: |
3840 | return status; | |
3841 | } | |
3842 | ||
3843 | /* | |
3844 | * Decode LOOKUP response | |
3845 | */ | |
8687b63a | 3846 | static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_lookup_res *res) |
1da177e4 LT |
3847 | { |
3848 | struct xdr_stream xdr; | |
3849 | struct compound_hdr hdr; | |
3850 | int status; | |
6c0195a4 | 3851 | |
1da177e4 LT |
3852 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
3853 | if ((status = decode_compound_hdr(&xdr, &hdr)) != 0) | |
3854 | goto out; | |
3855 | if ((status = decode_putfh(&xdr)) != 0) | |
3856 | goto out; | |
3857 | if ((status = decode_lookup(&xdr)) != 0) | |
3858 | goto out; | |
3859 | if ((status = decode_getfh(&xdr, res->fh)) != 0) | |
3860 | goto out; | |
3861 | status = decode_getfattr(&xdr, res->fattr, res->server); | |
3862 | out: | |
3863 | return status; | |
3864 | } | |
3865 | ||
3866 | /* | |
3867 | * Decode LOOKUP_ROOT response | |
3868 | */ | |
8687b63a | 3869 | static int nfs4_xdr_dec_lookup_root(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_lookup_res *res) |
1da177e4 LT |
3870 | { |
3871 | struct xdr_stream xdr; | |
3872 | struct compound_hdr hdr; | |
3873 | int status; | |
6c0195a4 | 3874 | |
1da177e4 LT |
3875 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
3876 | if ((status = decode_compound_hdr(&xdr, &hdr)) != 0) | |
3877 | goto out; | |
3878 | if ((status = decode_putrootfh(&xdr)) != 0) | |
3879 | goto out; | |
3880 | if ((status = decode_getfh(&xdr, res->fh)) == 0) | |
3881 | status = decode_getfattr(&xdr, res->fattr, res->server); | |
3882 | out: | |
3883 | return status; | |
3884 | } | |
3885 | ||
3886 | /* | |
3887 | * Decode REMOVE response | |
3888 | */ | |
4fdc17b2 | 3889 | static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, __be32 *p, struct nfs_removeres *res) |
1da177e4 LT |
3890 | { |
3891 | struct xdr_stream xdr; | |
3892 | struct compound_hdr hdr; | |
3893 | int status; | |
6c0195a4 | 3894 | |
1da177e4 LT |
3895 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
3896 | if ((status = decode_compound_hdr(&xdr, &hdr)) != 0) | |
3897 | goto out; | |
16e42959 TM |
3898 | if ((status = decode_putfh(&xdr)) != 0) |
3899 | goto out; | |
3900 | if ((status = decode_remove(&xdr, &res->cinfo)) != 0) | |
3901 | goto out; | |
4fdc17b2 | 3902 | decode_getfattr(&xdr, &res->dir_attr, res->server); |
1da177e4 LT |
3903 | out: |
3904 | return status; | |
3905 | } | |
3906 | ||
3907 | /* | |
3908 | * Decode RENAME response | |
3909 | */ | |
8687b63a | 3910 | static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_rename_res *res) |
1da177e4 LT |
3911 | { |
3912 | struct xdr_stream xdr; | |
3913 | struct compound_hdr hdr; | |
3914 | int status; | |
6c0195a4 | 3915 | |
1da177e4 LT |
3916 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
3917 | if ((status = decode_compound_hdr(&xdr, &hdr)) != 0) | |
3918 | goto out; | |
3919 | if ((status = decode_putfh(&xdr)) != 0) | |
3920 | goto out; | |
3921 | if ((status = decode_savefh(&xdr)) != 0) | |
3922 | goto out; | |
3923 | if ((status = decode_putfh(&xdr)) != 0) | |
3924 | goto out; | |
6caf2c82 TM |
3925 | if ((status = decode_rename(&xdr, &res->old_cinfo, &res->new_cinfo)) != 0) |
3926 | goto out; | |
3927 | /* Current FH is target directory */ | |
3928 | if (decode_getfattr(&xdr, res->new_fattr, res->server) != 0) | |
3929 | goto out; | |
3930 | if ((status = decode_restorefh(&xdr)) != 0) | |
3931 | goto out; | |
3932 | decode_getfattr(&xdr, res->old_fattr, res->server); | |
1da177e4 LT |
3933 | out: |
3934 | return status; | |
3935 | } | |
3936 | ||
3937 | /* | |
3938 | * Decode LINK response | |
3939 | */ | |
8687b63a | 3940 | static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_link_res *res) |
1da177e4 LT |
3941 | { |
3942 | struct xdr_stream xdr; | |
3943 | struct compound_hdr hdr; | |
3944 | int status; | |
6c0195a4 | 3945 | |
1da177e4 LT |
3946 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
3947 | if ((status = decode_compound_hdr(&xdr, &hdr)) != 0) | |
3948 | goto out; | |
3949 | if ((status = decode_putfh(&xdr)) != 0) | |
3950 | goto out; | |
3951 | if ((status = decode_savefh(&xdr)) != 0) | |
3952 | goto out; | |
3953 | if ((status = decode_putfh(&xdr)) != 0) | |
3954 | goto out; | |
91ba2eee TM |
3955 | if ((status = decode_link(&xdr, &res->cinfo)) != 0) |
3956 | goto out; | |
3957 | /* | |
3958 | * Note order: OP_LINK leaves the directory as the current | |
3959 | * filehandle. | |
3960 | */ | |
3961 | if (decode_getfattr(&xdr, res->dir_attr, res->server) != 0) | |
3962 | goto out; | |
3963 | if ((status = decode_restorefh(&xdr)) != 0) | |
3964 | goto out; | |
3965 | decode_getfattr(&xdr, res->fattr, res->server); | |
1da177e4 LT |
3966 | out: |
3967 | return status; | |
3968 | } | |
3969 | ||
3970 | /* | |
3971 | * Decode CREATE response | |
3972 | */ | |
8687b63a | 3973 | static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_create_res *res) |
1da177e4 LT |
3974 | { |
3975 | struct xdr_stream xdr; | |
3976 | struct compound_hdr hdr; | |
3977 | int status; | |
6c0195a4 | 3978 | |
1da177e4 LT |
3979 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
3980 | if ((status = decode_compound_hdr(&xdr, &hdr)) != 0) | |
3981 | goto out; | |
3982 | if ((status = decode_putfh(&xdr)) != 0) | |
3983 | goto out; | |
56ae19f3 TM |
3984 | if ((status = decode_savefh(&xdr)) != 0) |
3985 | goto out; | |
1da177e4 LT |
3986 | if ((status = decode_create(&xdr,&res->dir_cinfo)) != 0) |
3987 | goto out; | |
3988 | if ((status = decode_getfh(&xdr, res->fh)) != 0) | |
3989 | goto out; | |
56ae19f3 TM |
3990 | if (decode_getfattr(&xdr, res->fattr, res->server) != 0) |
3991 | goto out; | |
3992 | if ((status = decode_restorefh(&xdr)) != 0) | |
3993 | goto out; | |
3994 | decode_getfattr(&xdr, res->dir_fattr, res->server); | |
1da177e4 LT |
3995 | out: |
3996 | return status; | |
3997 | } | |
3998 | ||
3999 | /* | |
4000 | * Decode SYMLINK response | |
4001 | */ | |
8687b63a | 4002 | static int nfs4_xdr_dec_symlink(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_create_res *res) |
1da177e4 LT |
4003 | { |
4004 | return nfs4_xdr_dec_create(rqstp, p, res); | |
4005 | } | |
4006 | ||
4007 | /* | |
4008 | * Decode GETATTR response | |
4009 | */ | |
8687b63a | 4010 | static int nfs4_xdr_dec_getattr(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_getattr_res *res) |
1da177e4 LT |
4011 | { |
4012 | struct xdr_stream xdr; | |
4013 | struct compound_hdr hdr; | |
4014 | int status; | |
6c0195a4 | 4015 | |
1da177e4 LT |
4016 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); |
4017 | status = decode_compound_hdr(&xdr, &hdr); | |
4018 | if (status) | |
4019 | goto out; | |
4020 | status = decode_putfh(&xdr); | |
4021 | if (status) | |
4022 | goto out; | |
4023 | status = decode_getfattr(&xdr, res->fattr, res->server); | |
4024 | out: | |
4025 | return status; | |
1da177e4 LT |
4026 | } |
4027 | ||
23ec6965 BF |
4028 | /* |
4029 | * Encode an SETACL request | |
4030 | */ | |
4031 | static int | |
8687b63a | 4032 | nfs4_xdr_enc_setacl(struct rpc_rqst *req, __be32 *p, struct nfs_setaclargs *args) |
23ec6965 | 4033 | { |
05d564fe AA |
4034 | struct xdr_stream xdr; |
4035 | struct compound_hdr hdr = { | |
4036 | .nops = 2, | |
4037 | }; | |
4038 | int status; | |
4039 | ||
4040 | xdr_init_encode(&xdr, &req->rq_snd_buf, p); | |
4041 | encode_compound_hdr(&xdr, &hdr); | |
4042 | status = encode_putfh(&xdr, args->fh); | |
4043 | if (status) | |
4044 | goto out; | |
4045 | status = encode_setacl(&xdr, args); | |
23ec6965 | 4046 | out: |
05d564fe | 4047 | return status; |
23ec6965 | 4048 | } |
05d564fe | 4049 | |
23ec6965 BF |
4050 | /* |
4051 | * Decode SETACL response | |
4052 | */ | |
4053 | static int | |
8687b63a | 4054 | nfs4_xdr_dec_setacl(struct rpc_rqst *rqstp, __be32 *p, void *res) |
23ec6965 BF |
4055 | { |
4056 | struct xdr_stream xdr; | |
4057 | struct compound_hdr hdr; | |
4058 | int status; | |
4059 | ||
4060 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
4061 | status = decode_compound_hdr(&xdr, &hdr); | |
4062 | if (status) | |
4063 | goto out; | |
4064 | status = decode_putfh(&xdr); | |
4065 | if (status) | |
4066 | goto out; | |
4067 | status = decode_setattr(&xdr, res); | |
4068 | out: | |
4069 | return status; | |
4070 | } | |
1da177e4 | 4071 | |
029d105e BF |
4072 | /* |
4073 | * Decode GETACL response | |
4074 | */ | |
4075 | static int | |
8687b63a | 4076 | nfs4_xdr_dec_getacl(struct rpc_rqst *rqstp, __be32 *p, size_t *acl_len) |
029d105e BF |
4077 | { |
4078 | struct xdr_stream xdr; | |
4079 | struct compound_hdr hdr; | |
4080 | int status; | |
4081 | ||
4082 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
4083 | status = decode_compound_hdr(&xdr, &hdr); | |
4084 | if (status) | |
4085 | goto out; | |
4086 | status = decode_putfh(&xdr); | |
4087 | if (status) | |
4088 | goto out; | |
4089 | status = decode_getacl(&xdr, rqstp, acl_len); | |
4090 | ||
4091 | out: | |
4092 | return status; | |
4093 | } | |
4094 | ||
1da177e4 LT |
4095 | /* |
4096 | * Decode CLOSE response | |
4097 | */ | |
8687b63a | 4098 | static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, __be32 *p, struct nfs_closeres *res) |
1da177e4 | 4099 | { |
05d564fe AA |
4100 | struct xdr_stream xdr; |
4101 | struct compound_hdr hdr; | |
4102 | int status; | |
4103 | ||
4104 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
4105 | status = decode_compound_hdr(&xdr, &hdr); | |
4106 | if (status) | |
4107 | goto out; | |
4108 | status = decode_putfh(&xdr); | |
4109 | if (status) | |
4110 | goto out; | |
4111 | status = decode_close(&xdr, res); | |
516a6af6 TM |
4112 | if (status != 0) |
4113 | goto out; | |
4114 | /* | |
4115 | * Note: Server may do delete on close for this file | |
4116 | * in which case the getattr call will fail with | |
4117 | * an ESTALE error. Shouldn't be a problem, | |
4118 | * though, since fattr->valid will remain unset. | |
4119 | */ | |
4120 | decode_getfattr(&xdr, res->fattr, res->server); | |
1da177e4 | 4121 | out: |
05d564fe | 4122 | return status; |
1da177e4 LT |
4123 | } |
4124 | ||
4125 | /* | |
4126 | * Decode OPEN response | |
4127 | */ | |
8687b63a | 4128 | static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, __be32 *p, struct nfs_openres *res) |
1da177e4 | 4129 | { |
05d564fe AA |
4130 | struct xdr_stream xdr; |
4131 | struct compound_hdr hdr; | |
4132 | int status; | |
4133 | ||
4134 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
4135 | status = decode_compound_hdr(&xdr, &hdr); | |
4136 | if (status) | |
4137 | goto out; | |
4138 | status = decode_putfh(&xdr); | |
4139 | if (status) | |
4140 | goto out; | |
4141 | status = decode_savefh(&xdr); | |
4142 | if (status) | |
4143 | goto out; | |
4144 | status = decode_open(&xdr, res); | |
56ae19f3 TM |
4145 | if (status) |
4146 | goto out; | |
9936781d | 4147 | if (decode_getfh(&xdr, &res->fh) != 0) |
1da177e4 | 4148 | goto out; |
56ae19f3 TM |
4149 | if (decode_getfattr(&xdr, res->f_attr, res->server) != 0) |
4150 | goto out; | |
365c8f58 | 4151 | if (decode_restorefh(&xdr) != 0) |
56ae19f3 TM |
4152 | goto out; |
4153 | decode_getfattr(&xdr, res->dir_attr, res->server); | |
1da177e4 | 4154 | out: |
05d564fe | 4155 | return status; |
1da177e4 LT |
4156 | } |
4157 | ||
4158 | /* | |
4159 | * Decode OPEN_CONFIRM response | |
4160 | */ | |
8687b63a | 4161 | static int nfs4_xdr_dec_open_confirm(struct rpc_rqst *rqstp, __be32 *p, struct nfs_open_confirmres *res) |
1da177e4 | 4162 | { |
05d564fe AA |
4163 | struct xdr_stream xdr; |
4164 | struct compound_hdr hdr; | |
4165 | int status; | |
4166 | ||
4167 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
4168 | status = decode_compound_hdr(&xdr, &hdr); | |
4169 | if (status) | |
4170 | goto out; | |
4171 | status = decode_putfh(&xdr); | |
4172 | if (status) | |
4173 | goto out; | |
4174 | status = decode_open_confirm(&xdr, res); | |
1da177e4 | 4175 | out: |
05d564fe | 4176 | return status; |
1da177e4 LT |
4177 | } |
4178 | ||
4179 | /* | |
4180 | * Decode OPEN response | |
4181 | */ | |
8687b63a | 4182 | static int nfs4_xdr_dec_open_noattr(struct rpc_rqst *rqstp, __be32 *p, struct nfs_openres *res) |
1da177e4 | 4183 | { |
05d564fe AA |
4184 | struct xdr_stream xdr; |
4185 | struct compound_hdr hdr; | |
4186 | int status; | |
4187 | ||
4188 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
4189 | status = decode_compound_hdr(&xdr, &hdr); | |
4190 | if (status) | |
4191 | goto out; | |
4192 | status = decode_putfh(&xdr); | |
4193 | if (status) | |
4194 | goto out; | |
4195 | status = decode_open(&xdr, res); | |
4196 | if (status) | |
4197 | goto out; | |
864472e9 | 4198 | decode_getfattr(&xdr, res->f_attr, res->server); |
1da177e4 | 4199 | out: |
05d564fe | 4200 | return status; |
1da177e4 LT |
4201 | } |
4202 | ||
4203 | /* | |
4204 | * Decode SETATTR response | |
4205 | */ | |
8687b63a | 4206 | static int nfs4_xdr_dec_setattr(struct rpc_rqst *rqstp, __be32 *p, struct nfs_setattrres *res) |
1da177e4 | 4207 | { |
05d564fe AA |
4208 | struct xdr_stream xdr; |
4209 | struct compound_hdr hdr; | |
4210 | int status; | |
4211 | ||
4212 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
4213 | status = decode_compound_hdr(&xdr, &hdr); | |
4214 | if (status) | |
4215 | goto out; | |
4216 | status = decode_putfh(&xdr); | |
4217 | if (status) | |
4218 | goto out; | |
4219 | status = decode_setattr(&xdr, res); | |
4220 | if (status) | |
4221 | goto out; | |
1da177e4 LT |
4222 | status = decode_getfattr(&xdr, res->fattr, res->server); |
4223 | if (status == NFS4ERR_DELAY) | |
4224 | status = 0; | |
4225 | out: | |
05d564fe | 4226 | return status; |
1da177e4 LT |
4227 | } |
4228 | ||
4229 | /* | |
4230 | * Decode LOCK response | |
4231 | */ | |
8687b63a | 4232 | static int nfs4_xdr_dec_lock(struct rpc_rqst *rqstp, __be32 *p, struct nfs_lock_res *res) |
1da177e4 LT |
4233 | { |
4234 | struct xdr_stream xdr; | |
4235 | struct compound_hdr hdr; | |
4236 | int status; | |
4237 | ||
4238 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
4239 | status = decode_compound_hdr(&xdr, &hdr); | |
4240 | if (status) | |
4241 | goto out; | |
4242 | status = decode_putfh(&xdr); | |
4243 | if (status) | |
4244 | goto out; | |
4245 | status = decode_lock(&xdr, res); | |
4246 | out: | |
4247 | return status; | |
4248 | } | |
4249 | ||
4250 | /* | |
4251 | * Decode LOCKT response | |
4252 | */ | |
8687b63a | 4253 | static int nfs4_xdr_dec_lockt(struct rpc_rqst *rqstp, __be32 *p, struct nfs_lockt_res *res) |
1da177e4 LT |
4254 | { |
4255 | struct xdr_stream xdr; | |
4256 | struct compound_hdr hdr; | |
4257 | int status; | |
4258 | ||
4259 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
4260 | status = decode_compound_hdr(&xdr, &hdr); | |
4261 | if (status) | |
4262 | goto out; | |
4263 | status = decode_putfh(&xdr); | |
4264 | if (status) | |
4265 | goto out; | |
4266 | status = decode_lockt(&xdr, res); | |
4267 | out: | |
4268 | return status; | |
4269 | } | |
4270 | ||
4271 | /* | |
4272 | * Decode LOCKU response | |
4273 | */ | |
8687b63a | 4274 | static int nfs4_xdr_dec_locku(struct rpc_rqst *rqstp, __be32 *p, struct nfs_locku_res *res) |
1da177e4 LT |
4275 | { |
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); | |
4282 | if (status) | |
4283 | goto out; | |
4284 | status = decode_putfh(&xdr); | |
4285 | if (status) | |
4286 | goto out; | |
4287 | status = decode_locku(&xdr, res); | |
4288 | out: | |
4289 | return status; | |
4290 | } | |
4291 | ||
4292 | /* | |
4293 | * Decode READLINK response | |
4294 | */ | |
8687b63a | 4295 | static int nfs4_xdr_dec_readlink(struct rpc_rqst *rqstp, __be32 *p, void *res) |
1da177e4 LT |
4296 | { |
4297 | struct xdr_stream xdr; | |
4298 | struct compound_hdr hdr; | |
4299 | int status; | |
4300 | ||
4301 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
4302 | status = decode_compound_hdr(&xdr, &hdr); | |
4303 | if (status) | |
4304 | goto out; | |
4305 | status = decode_putfh(&xdr); | |
4306 | if (status) | |
4307 | goto out; | |
4308 | status = decode_readlink(&xdr, rqstp); | |
4309 | out: | |
4310 | return status; | |
4311 | } | |
4312 | ||
4313 | /* | |
4314 | * Decode READDIR response | |
4315 | */ | |
8687b63a | 4316 | static int nfs4_xdr_dec_readdir(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_readdir_res *res) |
1da177e4 LT |
4317 | { |
4318 | struct xdr_stream xdr; | |
4319 | struct compound_hdr hdr; | |
4320 | int status; | |
4321 | ||
4322 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
4323 | status = decode_compound_hdr(&xdr, &hdr); | |
4324 | if (status) | |
4325 | goto out; | |
4326 | status = decode_putfh(&xdr); | |
4327 | if (status) | |
4328 | goto out; | |
4329 | status = decode_readdir(&xdr, rqstp, res); | |
4330 | out: | |
4331 | return status; | |
4332 | } | |
4333 | ||
4334 | /* | |
4335 | * Decode Read response | |
4336 | */ | |
8687b63a | 4337 | static int nfs4_xdr_dec_read(struct rpc_rqst *rqstp, __be32 *p, struct nfs_readres *res) |
1da177e4 LT |
4338 | { |
4339 | struct xdr_stream xdr; | |
4340 | struct compound_hdr hdr; | |
4341 | int status; | |
4342 | ||
4343 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
4344 | status = decode_compound_hdr(&xdr, &hdr); | |
4345 | if (status) | |
4346 | goto out; | |
4347 | status = decode_putfh(&xdr); | |
4348 | if (status) | |
4349 | goto out; | |
4350 | status = decode_read(&xdr, rqstp, res); | |
4351 | if (!status) | |
4352 | status = res->count; | |
4353 | out: | |
4354 | return status; | |
4355 | } | |
4356 | ||
4357 | /* | |
4358 | * Decode WRITE response | |
4359 | */ | |
8687b63a | 4360 | static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, __be32 *p, struct nfs_writeres *res) |
1da177e4 LT |
4361 | { |
4362 | struct xdr_stream xdr; | |
4363 | struct compound_hdr hdr; | |
4364 | int status; | |
4365 | ||
4366 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
4367 | status = decode_compound_hdr(&xdr, &hdr); | |
4368 | if (status) | |
4369 | goto out; | |
4370 | status = decode_putfh(&xdr); | |
4371 | if (status) | |
4372 | goto out; | |
4373 | status = decode_write(&xdr, res); | |
4f9838c7 TM |
4374 | if (status) |
4375 | goto out; | |
4376 | decode_getfattr(&xdr, res->fattr, res->server); | |
1da177e4 LT |
4377 | if (!status) |
4378 | status = res->count; | |
4379 | out: | |
4380 | return status; | |
4381 | } | |
4382 | ||
4383 | /* | |
4384 | * Decode COMMIT response | |
4385 | */ | |
8687b63a | 4386 | static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, __be32 *p, struct nfs_writeres *res) |
1da177e4 LT |
4387 | { |
4388 | struct xdr_stream xdr; | |
4389 | struct compound_hdr hdr; | |
4390 | int status; | |
4391 | ||
4392 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
4393 | status = decode_compound_hdr(&xdr, &hdr); | |
4394 | if (status) | |
4395 | goto out; | |
4396 | status = decode_putfh(&xdr); | |
4397 | if (status) | |
4398 | goto out; | |
4399 | status = decode_commit(&xdr, res); | |
4f9838c7 TM |
4400 | if (status) |
4401 | goto out; | |
4402 | decode_getfattr(&xdr, res->fattr, res->server); | |
1da177e4 LT |
4403 | out: |
4404 | return status; | |
4405 | } | |
4406 | ||
4407 | /* | |
4408 | * FSINFO request | |
4409 | */ | |
8687b63a | 4410 | static int nfs4_xdr_dec_fsinfo(struct rpc_rqst *req, __be32 *p, struct nfs_fsinfo *fsinfo) |
1da177e4 LT |
4411 | { |
4412 | struct xdr_stream xdr; | |
4413 | struct compound_hdr hdr; | |
4414 | int status; | |
4415 | ||
4416 | xdr_init_decode(&xdr, &req->rq_rcv_buf, p); | |
4417 | status = decode_compound_hdr(&xdr, &hdr); | |
4418 | if (!status) | |
4419 | status = decode_putfh(&xdr); | |
4420 | if (!status) | |
4421 | status = decode_fsinfo(&xdr, fsinfo); | |
1da177e4 LT |
4422 | return status; |
4423 | } | |
4424 | ||
4425 | /* | |
4426 | * PATHCONF request | |
4427 | */ | |
8687b63a | 4428 | static int nfs4_xdr_dec_pathconf(struct rpc_rqst *req, __be32 *p, struct nfs_pathconf *pathconf) |
1da177e4 LT |
4429 | { |
4430 | struct xdr_stream xdr; | |
4431 | struct compound_hdr hdr; | |
4432 | int status; | |
4433 | ||
4434 | xdr_init_decode(&xdr, &req->rq_rcv_buf, p); | |
4435 | status = decode_compound_hdr(&xdr, &hdr); | |
4436 | if (!status) | |
4437 | status = decode_putfh(&xdr); | |
4438 | if (!status) | |
4439 | status = decode_pathconf(&xdr, pathconf); | |
4440 | return status; | |
4441 | } | |
4442 | ||
4443 | /* | |
4444 | * STATFS request | |
4445 | */ | |
8687b63a | 4446 | static int nfs4_xdr_dec_statfs(struct rpc_rqst *req, __be32 *p, struct nfs_fsstat *fsstat) |
1da177e4 LT |
4447 | { |
4448 | struct xdr_stream xdr; | |
4449 | struct compound_hdr hdr; | |
4450 | int status; | |
4451 | ||
4452 | xdr_init_decode(&xdr, &req->rq_rcv_buf, p); | |
4453 | status = decode_compound_hdr(&xdr, &hdr); | |
4454 | if (!status) | |
4455 | status = decode_putfh(&xdr); | |
4456 | if (!status) | |
4457 | status = decode_statfs(&xdr, fsstat); | |
4458 | return status; | |
4459 | } | |
4460 | ||
4461 | /* | |
4462 | * GETATTR_BITMAP request | |
4463 | */ | |
8687b63a | 4464 | static int nfs4_xdr_dec_server_caps(struct rpc_rqst *req, __be32 *p, struct nfs4_server_caps_res *res) |
1da177e4 LT |
4465 | { |
4466 | struct xdr_stream xdr; | |
4467 | struct compound_hdr hdr; | |
4468 | int status; | |
4469 | ||
4470 | xdr_init_decode(&xdr, &req->rq_rcv_buf, p); | |
4471 | if ((status = decode_compound_hdr(&xdr, &hdr)) != 0) | |
4472 | goto out; | |
4473 | if ((status = decode_putfh(&xdr)) != 0) | |
4474 | goto out; | |
4475 | status = decode_server_caps(&xdr, res); | |
4476 | out: | |
4477 | return status; | |
4478 | } | |
4479 | ||
4480 | /* | |
4481 | * Decode RENEW response | |
4482 | */ | |
8687b63a | 4483 | static int nfs4_xdr_dec_renew(struct rpc_rqst *rqstp, __be32 *p, void *dummy) |
1da177e4 LT |
4484 | { |
4485 | struct xdr_stream xdr; | |
4486 | struct compound_hdr hdr; | |
4487 | int status; | |
4488 | ||
4489 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
4490 | status = decode_compound_hdr(&xdr, &hdr); | |
4491 | if (!status) | |
4492 | status = decode_renew(&xdr); | |
4493 | return status; | |
4494 | } | |
4495 | ||
4496 | /* | |
4497 | * a SETCLIENTID request | |
4498 | */ | |
8687b63a | 4499 | static int nfs4_xdr_dec_setclientid(struct rpc_rqst *req, __be32 *p, |
adfa6f98 | 4500 | struct nfs_client *clp) |
1da177e4 LT |
4501 | { |
4502 | struct xdr_stream xdr; | |
4503 | struct compound_hdr hdr; | |
4504 | int status; | |
4505 | ||
4506 | xdr_init_decode(&xdr, &req->rq_rcv_buf, p); | |
4507 | status = decode_compound_hdr(&xdr, &hdr); | |
4508 | if (!status) | |
4509 | status = decode_setclientid(&xdr, clp); | |
1da177e4 LT |
4510 | return status; |
4511 | } | |
4512 | ||
4513 | /* | |
4514 | * a SETCLIENTID_CONFIRM request | |
4515 | */ | |
8687b63a | 4516 | static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst *req, __be32 *p, struct nfs_fsinfo *fsinfo) |
1da177e4 LT |
4517 | { |
4518 | struct xdr_stream xdr; | |
4519 | struct compound_hdr hdr; | |
4520 | int status; | |
4521 | ||
4522 | xdr_init_decode(&xdr, &req->rq_rcv_buf, p); | |
4523 | status = decode_compound_hdr(&xdr, &hdr); | |
4524 | if (!status) | |
4525 | status = decode_setclientid_confirm(&xdr); | |
4526 | if (!status) | |
4527 | status = decode_putrootfh(&xdr); | |
4528 | if (!status) | |
4529 | status = decode_fsinfo(&xdr, fsinfo); | |
1da177e4 LT |
4530 | return status; |
4531 | } | |
4532 | ||
4533 | /* | |
4534 | * DELEGRETURN request | |
4535 | */ | |
8687b63a | 4536 | static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_delegreturnres *res) |
1da177e4 LT |
4537 | { |
4538 | struct xdr_stream xdr; | |
4539 | struct compound_hdr hdr; | |
4540 | int status; | |
4541 | ||
4542 | xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p); | |
4543 | status = decode_compound_hdr(&xdr, &hdr); | |
fa178f29 TM |
4544 | if (status != 0) |
4545 | goto out; | |
4546 | status = decode_putfh(&xdr); | |
4547 | if (status != 0) | |
4548 | goto out; | |
4549 | status = decode_delegreturn(&xdr); | |
4550 | decode_getfattr(&xdr, res->fattr, res->server); | |
4551 | out: | |
1da177e4 LT |
4552 | return status; |
4553 | } | |
4554 | ||
683b57b4 TM |
4555 | /* |
4556 | * FS_LOCATIONS request | |
4557 | */ | |
8687b63a | 4558 | static int nfs4_xdr_dec_fs_locations(struct rpc_rqst *req, __be32 *p, struct nfs4_fs_locations *res) |
683b57b4 TM |
4559 | { |
4560 | struct xdr_stream xdr; | |
4561 | struct compound_hdr hdr; | |
4562 | int status; | |
4563 | ||
4564 | xdr_init_decode(&xdr, &req->rq_rcv_buf, p); | |
4565 | status = decode_compound_hdr(&xdr, &hdr); | |
4566 | if (status != 0) | |
4567 | goto out; | |
4568 | if ((status = decode_putfh(&xdr)) != 0) | |
4569 | goto out; | |
4570 | if ((status = decode_lookup(&xdr)) != 0) | |
4571 | goto out; | |
4572 | xdr_enter_page(&xdr, PAGE_SIZE); | |
4573 | status = decode_getfattr(&xdr, &res->fattr, res->server); | |
4574 | out: | |
4575 | return status; | |
4576 | } | |
4577 | ||
0dbb4c67 | 4578 | __be32 *nfs4_decode_dirent(__be32 *p, struct nfs_entry *entry, int plus) |
1da177e4 LT |
4579 | { |
4580 | uint32_t bitmap[2] = {0}; | |
4581 | uint32_t len; | |
4582 | ||
4583 | if (!*p++) { | |
4584 | if (!*p) | |
4585 | return ERR_PTR(-EAGAIN); | |
4586 | entry->eof = 1; | |
4587 | return ERR_PTR(-EBADCOOKIE); | |
4588 | } | |
4589 | ||
4590 | entry->prev_cookie = entry->cookie; | |
4591 | p = xdr_decode_hyper(p, &entry->cookie); | |
4592 | entry->len = ntohl(*p++); | |
4593 | entry->name = (const char *) p; | |
4594 | p += XDR_QUADLEN(entry->len); | |
4595 | ||
4596 | /* | |
4597 | * In case the server doesn't return an inode number, | |
4598 | * we fake one here. (We don't use inode number 0, | |
4599 | * since glibc seems to choke on it...) | |
4600 | */ | |
4601 | entry->ino = 1; | |
4602 | ||
4603 | len = ntohl(*p++); /* bitmap length */ | |
4604 | if (len-- > 0) { | |
4605 | bitmap[0] = ntohl(*p++); | |
4606 | if (len-- > 0) { | |
4607 | bitmap[1] = ntohl(*p++); | |
4608 | p += len; | |
4609 | } | |
4610 | } | |
4611 | len = XDR_QUADLEN(ntohl(*p++)); /* attribute buffer length */ | |
4612 | if (len > 0) { | |
97d312d0 MN |
4613 | if (bitmap[0] & FATTR4_WORD0_RDATTR_ERROR) { |
4614 | bitmap[0] &= ~FATTR4_WORD0_RDATTR_ERROR; | |
4615 | /* Ignore the return value of rdattr_error for now */ | |
4616 | p++; | |
4617 | len--; | |
4618 | } | |
1da177e4 LT |
4619 | if (bitmap[0] == 0 && bitmap[1] == FATTR4_WORD1_MOUNTED_ON_FILEID) |
4620 | xdr_decode_hyper(p, &entry->ino); | |
4621 | else if (bitmap[0] == FATTR4_WORD0_FILEID) | |
4622 | xdr_decode_hyper(p, &entry->ino); | |
4623 | p += len; | |
4624 | } | |
4625 | ||
4626 | entry->eof = !p[0] && p[1]; | |
4627 | return p; | |
4628 | } | |
4629 | ||
4630 | /* | |
4631 | * We need to translate between nfs status return values and | |
4632 | * the local errno values which may not be the same. | |
4633 | */ | |
4634 | static struct { | |
4635 | int stat; | |
4636 | int errno; | |
4637 | } nfs_errtbl[] = { | |
4638 | { NFS4_OK, 0 }, | |
856dff3d BH |
4639 | { NFS4ERR_PERM, -EPERM }, |
4640 | { NFS4ERR_NOENT, -ENOENT }, | |
4641 | { NFS4ERR_IO, -errno_NFSERR_IO}, | |
4642 | { NFS4ERR_NXIO, -ENXIO }, | |
4643 | { NFS4ERR_ACCESS, -EACCES }, | |
4644 | { NFS4ERR_EXIST, -EEXIST }, | |
4645 | { NFS4ERR_XDEV, -EXDEV }, | |
4646 | { NFS4ERR_NOTDIR, -ENOTDIR }, | |
4647 | { NFS4ERR_ISDIR, -EISDIR }, | |
4648 | { NFS4ERR_INVAL, -EINVAL }, | |
4649 | { NFS4ERR_FBIG, -EFBIG }, | |
4650 | { NFS4ERR_NOSPC, -ENOSPC }, | |
4651 | { NFS4ERR_ROFS, -EROFS }, | |
4652 | { NFS4ERR_MLINK, -EMLINK }, | |
4653 | { NFS4ERR_NAMETOOLONG, -ENAMETOOLONG }, | |
4654 | { NFS4ERR_NOTEMPTY, -ENOTEMPTY }, | |
4655 | { NFS4ERR_DQUOT, -EDQUOT }, | |
4656 | { NFS4ERR_STALE, -ESTALE }, | |
4657 | { NFS4ERR_BADHANDLE, -EBADHANDLE }, | |
4658 | { NFS4ERR_BADOWNER, -EINVAL }, | |
4659 | { NFS4ERR_BADNAME, -EINVAL }, | |
4660 | { NFS4ERR_BAD_COOKIE, -EBADCOOKIE }, | |
4661 | { NFS4ERR_NOTSUPP, -ENOTSUPP }, | |
4662 | { NFS4ERR_TOOSMALL, -ETOOSMALL }, | |
4663 | { NFS4ERR_SERVERFAULT, -ESERVERFAULT }, | |
4664 | { NFS4ERR_BADTYPE, -EBADTYPE }, | |
4665 | { NFS4ERR_LOCKED, -EAGAIN }, | |
4666 | { NFS4ERR_RESOURCE, -EREMOTEIO }, | |
4667 | { NFS4ERR_SYMLINK, -ELOOP }, | |
4668 | { NFS4ERR_OP_ILLEGAL, -EOPNOTSUPP }, | |
4669 | { NFS4ERR_DEADLOCK, -EDEADLK }, | |
4670 | { NFS4ERR_WRONGSEC, -EPERM }, /* FIXME: this needs | |
1da177e4 LT |
4671 | * to be handled by a |
4672 | * middle-layer. | |
4673 | */ | |
856dff3d | 4674 | { -1, -EIO } |
1da177e4 LT |
4675 | }; |
4676 | ||
4677 | /* | |
4678 | * Convert an NFS error code to a local one. | |
4679 | * This one is used jointly by NFSv2 and NFSv3. | |
4680 | */ | |
4681 | static int | |
0a8ea437 | 4682 | nfs4_stat_to_errno(int stat) |
1da177e4 LT |
4683 | { |
4684 | int i; | |
4685 | for (i = 0; nfs_errtbl[i].stat != -1; i++) { | |
4686 | if (nfs_errtbl[i].stat == stat) | |
4687 | return nfs_errtbl[i].errno; | |
4688 | } | |
4689 | if (stat <= 10000 || stat > 10100) { | |
4690 | /* The server is looney tunes. */ | |
856dff3d | 4691 | return -ESERVERFAULT; |
1da177e4 LT |
4692 | } |
4693 | /* If we cannot translate the error, the recovery routines should | |
4694 | * handle it. | |
4695 | * Note: remaining NFSv4 error codes have values > 10000, so should | |
4696 | * not conflict with native Linux error codes. | |
4697 | */ | |
856dff3d | 4698 | return -stat; |
1da177e4 LT |
4699 | } |
4700 | ||
1da177e4 LT |
4701 | #define PROC(proc, argtype, restype) \ |
4702 | [NFSPROC4_CLNT_##proc] = { \ | |
4703 | .p_proc = NFSPROC4_COMPOUND, \ | |
4704 | .p_encode = (kxdrproc_t) nfs4_xdr_##argtype, \ | |
4705 | .p_decode = (kxdrproc_t) nfs4_xdr_##restype, \ | |
2bea90d4 CL |
4706 | .p_arglen = NFS4_##argtype##_sz, \ |
4707 | .p_replen = NFS4_##restype##_sz, \ | |
cc0175c1 CL |
4708 | .p_statidx = NFSPROC4_CLNT_##proc, \ |
4709 | .p_name = #proc, \ | |
05d564fe | 4710 | } |
1da177e4 LT |
4711 | |
4712 | struct rpc_procinfo nfs4_procedures[] = { | |
4713 | PROC(READ, enc_read, dec_read), | |
4714 | PROC(WRITE, enc_write, dec_write), | |
4715 | PROC(COMMIT, enc_commit, dec_commit), | |
4716 | PROC(OPEN, enc_open, dec_open), | |
4717 | PROC(OPEN_CONFIRM, enc_open_confirm, dec_open_confirm), | |
4718 | PROC(OPEN_NOATTR, enc_open_noattr, dec_open_noattr), | |
4719 | PROC(OPEN_DOWNGRADE, enc_open_downgrade, dec_open_downgrade), | |
4720 | PROC(CLOSE, enc_close, dec_close), | |
4721 | PROC(SETATTR, enc_setattr, dec_setattr), | |
4722 | PROC(FSINFO, enc_fsinfo, dec_fsinfo), | |
4723 | PROC(RENEW, enc_renew, dec_renew), | |
4724 | PROC(SETCLIENTID, enc_setclientid, dec_setclientid), | |
4725 | PROC(SETCLIENTID_CONFIRM, enc_setclientid_confirm, dec_setclientid_confirm), | |
4726 | PROC(LOCK, enc_lock, dec_lock), | |
4727 | PROC(LOCKT, enc_lockt, dec_lockt), | |
4728 | PROC(LOCKU, enc_locku, dec_locku), | |
4729 | PROC(ACCESS, enc_access, dec_access), | |
4730 | PROC(GETATTR, enc_getattr, dec_getattr), | |
4731 | PROC(LOOKUP, enc_lookup, dec_lookup), | |
4732 | PROC(LOOKUP_ROOT, enc_lookup_root, dec_lookup_root), | |
4733 | PROC(REMOVE, enc_remove, dec_remove), | |
4734 | PROC(RENAME, enc_rename, dec_rename), | |
4735 | PROC(LINK, enc_link, dec_link), | |
4736 | PROC(SYMLINK, enc_symlink, dec_symlink), | |
4737 | PROC(CREATE, enc_create, dec_create), | |
4738 | PROC(PATHCONF, enc_pathconf, dec_pathconf), | |
4739 | PROC(STATFS, enc_statfs, dec_statfs), | |
4740 | PROC(READLINK, enc_readlink, dec_readlink), | |
4741 | PROC(READDIR, enc_readdir, dec_readdir), | |
4742 | PROC(SERVER_CAPS, enc_server_caps, dec_server_caps), | |
4743 | PROC(DELEGRETURN, enc_delegreturn, dec_delegreturn), | |
029d105e | 4744 | PROC(GETACL, enc_getacl, dec_getacl), |
23ec6965 | 4745 | PROC(SETACL, enc_setacl, dec_setacl), |
683b57b4 | 4746 | PROC(FS_LOCATIONS, enc_fs_locations, dec_fs_locations), |
1da177e4 LT |
4747 | }; |
4748 | ||
4749 | struct rpc_version nfs_version4 = { | |
4750 | .number = 4, | |
e8c96f8c | 4751 | .nrprocs = ARRAY_SIZE(nfs4_procedures), |
1da177e4 LT |
4752 | .procs = nfs4_procedures |
4753 | }; | |
4754 | ||
4755 | /* | |
4756 | * Local variables: | |
4757 | * c-basic-offset: 8 | |
4758 | * End: | |
4759 | */ |