Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * fs/nfs/nfs4xdr.c | |
3 | * | |
4 | * Client-side XDR for NFSv4. | |
5 | * | |
6 | * Copyright (c) 2002 The Regents of the University of Michigan. | |
7 | * All rights reserved. | |
8 | * | |
9 | * Kendrick Smith <kmsmith@umich.edu> | |
10 | * Andy Adamson <andros@umich.edu> | |
6c0195a4 | 11 | * |
1da177e4 LT |
12 | * Redistribution and use in source and binary forms, with or without |
13 | * modification, are permitted provided that the following conditions | |
14 | * are met: | |
15 | * | |
16 | * 1. Redistributions of source code must retain the above copyright | |
17 | * notice, this list of conditions and the following disclaimer. | |
18 | * 2. Redistributions in binary form must reproduce the above copyright | |
19 | * notice, this list of conditions and the following disclaimer in the | |
20 | * documentation and/or other materials provided with the distribution. | |
21 | * 3. Neither the name of the University nor the names of its | |
22 | * contributors may be used to endorse or promote products derived | |
23 | * from this software without specific prior written permission. | |
24 | * | |
25 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED | |
26 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
27 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
28 | * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
29 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
30 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
31 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR | |
32 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | |
33 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
34 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
35 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
36 | */ | |
37 | ||
38 | #include <linux/param.h> | |
39 | #include <linux/time.h> | |
40 | #include <linux/mm.h> | |
1da177e4 LT |
41 | #include <linux/errno.h> |
42 | #include <linux/string.h> | |
43 | #include <linux/in.h> | |
44 | #include <linux/pagemap.h> | |
45 | #include <linux/proc_fs.h> | |
46 | #include <linux/kdev_t.h> | |
db8ac8ba WAA |
47 | #include <linux/module.h> |
48 | #include <linux/utsname.h> | |
1da177e4 | 49 | #include <linux/sunrpc/clnt.h> |
2449ea2e | 50 | #include <linux/sunrpc/msg_prot.h> |
5a5ea0d4 | 51 | #include <linux/sunrpc/gss_api.h> |
1da177e4 LT |
52 | #include <linux/nfs.h> |
53 | #include <linux/nfs4.h> | |
54 | #include <linux/nfs_fs.h> | |
55 | #include <linux/nfs_idmap.h> | |
4ce79717 | 56 | #include "nfs4_fs.h" |
4882ef72 | 57 | #include "internal.h" |
b1f69b75 | 58 | #include "pnfs.h" |
1da177e4 LT |
59 | |
60 | #define NFSDBG_FACILITY NFSDBG_XDR | |
61 | ||
62 | /* Mapping from NFS error code to "errno" error code. */ | |
63 | #define errno_NFSERR_IO EIO | |
64 | ||
0a8ea437 | 65 | static int nfs4_stat_to_errno(int); |
1da177e4 LT |
66 | |
67 | /* NFSv4 COMPOUND tags are only wanted for debugging purposes */ | |
68 | #ifdef DEBUG | |
69 | #define NFS4_MAXTAGLEN 20 | |
70 | #else | |
71 | #define NFS4_MAXTAGLEN 0 | |
72 | #endif | |
73 | ||
6c0195a4 | 74 | /* lock,open owner id: |
9f958ab8 | 75 | * we currently use size 2 (u64) out of (NFS4_OPAQUE_LIMIT >> 2) |
1da177e4 | 76 | */ |
d035c36c TM |
77 | #define open_owner_id_maxsz (1 + 1 + 4) |
78 | #define lock_owner_id_maxsz (1 + 1 + 4) | |
9104a55d | 79 | #define decode_lockowner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) |
1da177e4 LT |
80 | #define compound_encode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2)) |
81 | #define compound_decode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2)) | |
82 | #define op_encode_hdr_maxsz (1) | |
83 | #define op_decode_hdr_maxsz (2) | |
9104a55d TM |
84 | #define encode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE)) |
85 | #define decode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE)) | |
86 | #define encode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE)) | |
87 | #define decode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE)) | |
1da177e4 LT |
88 | #define encode_putfh_maxsz (op_encode_hdr_maxsz + 1 + \ |
89 | (NFS4_FHSIZE >> 2)) | |
90 | #define decode_putfh_maxsz (op_decode_hdr_maxsz) | |
91 | #define encode_putrootfh_maxsz (op_encode_hdr_maxsz) | |
92 | #define decode_putrootfh_maxsz (op_decode_hdr_maxsz) | |
93 | #define encode_getfh_maxsz (op_encode_hdr_maxsz) | |
94 | #define decode_getfh_maxsz (op_decode_hdr_maxsz + 1 + \ | |
95 | ((3+NFS4_FHSIZE) >> 2)) | |
e5012d1f | 96 | #define nfs4_fattr_bitmap_maxsz 4 |
96928206 | 97 | #define encode_getattr_maxsz (op_encode_hdr_maxsz + nfs4_fattr_bitmap_maxsz) |
1da177e4 LT |
98 | #define nfs4_name_maxsz (1 + ((3 + NFS4_MAXNAMLEN) >> 2)) |
99 | #define nfs4_path_maxsz (1 + ((3 + NFS4_MAXPATHLEN) >> 2)) | |
bd625ba8 TM |
100 | #define nfs4_owner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) |
101 | #define nfs4_group_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) | |
96928206 BF |
102 | /* This is based on getfattr, which uses the most attributes: */ |
103 | #define nfs4_fattr_value_maxsz (1 + (1 + 2 + 2 + 4 + 2 + 1 + 1 + 2 + 2 + \ | |
bd625ba8 | 104 | 3 + 3 + 3 + nfs4_owner_maxsz + nfs4_group_maxsz)) |
96928206 BF |
105 | #define nfs4_fattr_maxsz (nfs4_fattr_bitmap_maxsz + \ |
106 | nfs4_fattr_value_maxsz) | |
107 | #define decode_getattr_maxsz (op_decode_hdr_maxsz + nfs4_fattr_maxsz) | |
9104a55d TM |
108 | #define encode_attrs_maxsz (nfs4_fattr_bitmap_maxsz + \ |
109 | 1 + 2 + 1 + \ | |
110 | nfs4_owner_maxsz + \ | |
111 | nfs4_group_maxsz + \ | |
112 | 4 + 4) | |
1da177e4 LT |
113 | #define encode_savefh_maxsz (op_encode_hdr_maxsz) |
114 | #define decode_savefh_maxsz (op_decode_hdr_maxsz) | |
56ae19f3 TM |
115 | #define encode_restorefh_maxsz (op_encode_hdr_maxsz) |
116 | #define decode_restorefh_maxsz (op_decode_hdr_maxsz) | |
2f42b5d0 | 117 | #define encode_fsinfo_maxsz (encode_getattr_maxsz) |
dae100c2 FI |
118 | /* The 5 accounts for the PNFS attributes, and assumes that at most three |
119 | * layout types will be returned. | |
120 | */ | |
121 | #define decode_fsinfo_maxsz (op_decode_hdr_maxsz + \ | |
122 | nfs4_fattr_bitmap_maxsz + 4 + 8 + 5) | |
1da177e4 LT |
123 | #define encode_renew_maxsz (op_encode_hdr_maxsz + 3) |
124 | #define decode_renew_maxsz (op_decode_hdr_maxsz) | |
125 | #define encode_setclientid_maxsz \ | |
126 | (op_encode_hdr_maxsz + \ | |
cc38bac3 CL |
127 | XDR_QUADLEN(NFS4_VERIFIER_SIZE) + \ |
128 | XDR_QUADLEN(NFS4_SETCLIENTID_NAMELEN) + \ | |
129 | 1 /* sc_prog */ + \ | |
130 | XDR_QUADLEN(RPCBIND_MAXNETIDLEN) + \ | |
131 | XDR_QUADLEN(RPCBIND_MAXUADDRLEN) + \ | |
132 | 1) /* sc_cb_ident */ | |
1da177e4 LT |
133 | #define decode_setclientid_maxsz \ |
134 | (op_decode_hdr_maxsz + \ | |
135 | 2 + \ | |
136 | 1024) /* large value for CLID_INUSE */ | |
137 | #define encode_setclientid_confirm_maxsz \ | |
138 | (op_encode_hdr_maxsz + \ | |
139 | 3 + (NFS4_VERIFIER_SIZE >> 2)) | |
140 | #define decode_setclientid_confirm_maxsz \ | |
141 | (op_decode_hdr_maxsz) | |
e6889620 TM |
142 | #define encode_lookup_maxsz (op_encode_hdr_maxsz + nfs4_name_maxsz) |
143 | #define decode_lookup_maxsz (op_decode_hdr_maxsz) | |
2cebf828 TM |
144 | #define encode_share_access_maxsz \ |
145 | (2) | |
4882ef72 | 146 | #define encode_createmode_maxsz (1 + encode_attrs_maxsz + encode_verifier_maxsz) |
2cebf828 TM |
147 | #define encode_opentype_maxsz (1 + encode_createmode_maxsz) |
148 | #define encode_claim_null_maxsz (1 + nfs4_name_maxsz) | |
149 | #define encode_open_maxsz (op_encode_hdr_maxsz + \ | |
150 | 2 + encode_share_access_maxsz + 2 + \ | |
151 | open_owner_id_maxsz + \ | |
152 | encode_opentype_maxsz + \ | |
153 | encode_claim_null_maxsz) | |
154 | #define decode_ace_maxsz (3 + nfs4_owner_maxsz) | |
9104a55d | 155 | #define decode_delegation_maxsz (1 + decode_stateid_maxsz + 1 + \ |
2cebf828 TM |
156 | decode_ace_maxsz) |
157 | #define decode_change_info_maxsz (5) | |
158 | #define decode_open_maxsz (op_decode_hdr_maxsz + \ | |
9104a55d | 159 | decode_stateid_maxsz + \ |
2cebf828 TM |
160 | decode_change_info_maxsz + 1 + \ |
161 | nfs4_fattr_bitmap_maxsz + \ | |
162 | decode_delegation_maxsz) | |
9104a55d TM |
163 | #define encode_open_confirm_maxsz \ |
164 | (op_encode_hdr_maxsz + \ | |
165 | encode_stateid_maxsz + 1) | |
166 | #define decode_open_confirm_maxsz \ | |
167 | (op_decode_hdr_maxsz + \ | |
168 | decode_stateid_maxsz) | |
169 | #define encode_open_downgrade_maxsz \ | |
170 | (op_encode_hdr_maxsz + \ | |
171 | encode_stateid_maxsz + 1 + \ | |
172 | encode_share_access_maxsz) | |
173 | #define decode_open_downgrade_maxsz \ | |
174 | (op_decode_hdr_maxsz + \ | |
175 | decode_stateid_maxsz) | |
176 | #define encode_close_maxsz (op_encode_hdr_maxsz + \ | |
177 | 1 + encode_stateid_maxsz) | |
178 | #define decode_close_maxsz (op_decode_hdr_maxsz + \ | |
179 | decode_stateid_maxsz) | |
180 | #define encode_setattr_maxsz (op_encode_hdr_maxsz + \ | |
181 | encode_stateid_maxsz + \ | |
182 | encode_attrs_maxsz) | |
183 | #define decode_setattr_maxsz (op_decode_hdr_maxsz + \ | |
184 | nfs4_fattr_bitmap_maxsz) | |
185 | #define encode_read_maxsz (op_encode_hdr_maxsz + \ | |
186 | encode_stateid_maxsz + 3) | |
187 | #define decode_read_maxsz (op_decode_hdr_maxsz + 2) | |
188 | #define encode_readdir_maxsz (op_encode_hdr_maxsz + \ | |
189 | 2 + encode_verifier_maxsz + 5) | |
190 | #define decode_readdir_maxsz (op_decode_hdr_maxsz + \ | |
191 | decode_verifier_maxsz) | |
192 | #define encode_readlink_maxsz (op_encode_hdr_maxsz) | |
193 | #define decode_readlink_maxsz (op_decode_hdr_maxsz + 1) | |
194 | #define encode_write_maxsz (op_encode_hdr_maxsz + \ | |
195 | encode_stateid_maxsz + 4) | |
196 | #define decode_write_maxsz (op_decode_hdr_maxsz + \ | |
197 | 2 + decode_verifier_maxsz) | |
198 | #define encode_commit_maxsz (op_encode_hdr_maxsz + 3) | |
199 | #define decode_commit_maxsz (op_decode_hdr_maxsz + \ | |
200 | decode_verifier_maxsz) | |
1da177e4 LT |
201 | #define encode_remove_maxsz (op_encode_hdr_maxsz + \ |
202 | nfs4_name_maxsz) | |
6ce18391 BH |
203 | #define decode_remove_maxsz (op_decode_hdr_maxsz + \ |
204 | decode_change_info_maxsz) | |
1da177e4 LT |
205 | #define encode_rename_maxsz (op_encode_hdr_maxsz + \ |
206 | 2 * nfs4_name_maxsz) | |
6ce18391 BH |
207 | #define decode_rename_maxsz (op_decode_hdr_maxsz + \ |
208 | decode_change_info_maxsz + \ | |
209 | decode_change_info_maxsz) | |
1da177e4 LT |
210 | #define encode_link_maxsz (op_encode_hdr_maxsz + \ |
211 | nfs4_name_maxsz) | |
6ce18391 | 212 | #define decode_link_maxsz (op_decode_hdr_maxsz + decode_change_info_maxsz) |
daccbded | 213 | #define encode_lockowner_maxsz (7) |
9104a55d TM |
214 | #define encode_lock_maxsz (op_encode_hdr_maxsz + \ |
215 | 7 + \ | |
daccbded TM |
216 | 1 + encode_stateid_maxsz + 1 + \ |
217 | encode_lockowner_maxsz) | |
9104a55d TM |
218 | #define decode_lock_denied_maxsz \ |
219 | (8 + decode_lockowner_maxsz) | |
220 | #define decode_lock_maxsz (op_decode_hdr_maxsz + \ | |
221 | decode_lock_denied_maxsz) | |
daccbded TM |
222 | #define encode_lockt_maxsz (op_encode_hdr_maxsz + 5 + \ |
223 | encode_lockowner_maxsz) | |
9104a55d TM |
224 | #define decode_lockt_maxsz (op_decode_hdr_maxsz + \ |
225 | decode_lock_denied_maxsz) | |
226 | #define encode_locku_maxsz (op_encode_hdr_maxsz + 3 + \ | |
227 | encode_stateid_maxsz + \ | |
228 | 4) | |
229 | #define decode_locku_maxsz (op_decode_hdr_maxsz + \ | |
230 | decode_stateid_maxsz) | |
d3c7b7cc TM |
231 | #define encode_release_lockowner_maxsz \ |
232 | (op_encode_hdr_maxsz + \ | |
233 | encode_lockowner_maxsz) | |
234 | #define decode_release_lockowner_maxsz \ | |
235 | (op_decode_hdr_maxsz) | |
9104a55d TM |
236 | #define encode_access_maxsz (op_encode_hdr_maxsz + 1) |
237 | #define decode_access_maxsz (op_decode_hdr_maxsz + 2) | |
1da177e4 LT |
238 | #define encode_symlink_maxsz (op_encode_hdr_maxsz + \ |
239 | 1 + nfs4_name_maxsz + \ | |
94a6d753 | 240 | 1 + \ |
96928206 | 241 | nfs4_fattr_maxsz) |
1da177e4 LT |
242 | #define decode_symlink_maxsz (op_decode_hdr_maxsz + 8) |
243 | #define encode_create_maxsz (op_encode_hdr_maxsz + \ | |
9104a55d TM |
244 | 1 + 2 + nfs4_name_maxsz + \ |
245 | encode_attrs_maxsz) | |
2cebf828 TM |
246 | #define decode_create_maxsz (op_decode_hdr_maxsz + \ |
247 | decode_change_info_maxsz + \ | |
248 | nfs4_fattr_bitmap_maxsz) | |
9104a55d TM |
249 | #define encode_statfs_maxsz (encode_getattr_maxsz) |
250 | #define decode_statfs_maxsz (decode_getattr_maxsz) | |
1da177e4 LT |
251 | #define encode_delegreturn_maxsz (op_encode_hdr_maxsz + 4) |
252 | #define decode_delegreturn_maxsz (op_decode_hdr_maxsz) | |
9104a55d TM |
253 | #define encode_getacl_maxsz (encode_getattr_maxsz) |
254 | #define decode_getacl_maxsz (op_decode_hdr_maxsz + \ | |
255 | nfs4_fattr_bitmap_maxsz + 1) | |
256 | #define encode_setacl_maxsz (op_encode_hdr_maxsz + \ | |
257 | encode_stateid_maxsz + 3) | |
258 | #define decode_setacl_maxsz (decode_setattr_maxsz) | |
e6889620 TM |
259 | #define encode_fs_locations_maxsz \ |
260 | (encode_getattr_maxsz) | |
261 | #define decode_fs_locations_maxsz \ | |
262 | (0) | |
5a5ea0d4 | 263 | #define encode_secinfo_maxsz (op_encode_hdr_maxsz + nfs4_name_maxsz) |
1650add2 | 264 | #define decode_secinfo_maxsz (op_decode_hdr_maxsz + 1 + ((NFS_MAX_SECFLAVORS * (16 + GSS_OID_MAX_LEN)) / 4)) |
9b7b9fcc AA |
265 | |
266 | #if defined(CONFIG_NFS_V4_1) | |
fc931582 AA |
267 | #define NFS4_MAX_MACHINE_NAME_LEN (64) |
268 | ||
99fe60d0 BH |
269 | #define encode_exchange_id_maxsz (op_encode_hdr_maxsz + \ |
270 | encode_verifier_maxsz + \ | |
271 | 1 /* co_ownerid.len */ + \ | |
272 | XDR_QUADLEN(NFS4_EXCHANGE_ID_LEN) + \ | |
273 | 1 /* flags */ + \ | |
274 | 1 /* spa_how */ + \ | |
275 | 0 /* SP4_NONE (for now) */ + \ | |
db8ac8ba WAA |
276 | 1 /* implementation id array of size 1 */ + \ |
277 | 1 /* nii_domain */ + \ | |
278 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
279 | 1 /* nii_name */ + \ | |
280 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
281 | 3 /* nii_date */) | |
99fe60d0 BH |
282 | #define decode_exchange_id_maxsz (op_decode_hdr_maxsz + \ |
283 | 2 /* eir_clientid */ + \ | |
284 | 1 /* eir_sequenceid */ + \ | |
285 | 1 /* eir_flags */ + \ | |
286 | 1 /* spr_how */ + \ | |
287 | 0 /* SP4_NONE (for now) */ + \ | |
288 | 2 /* eir_server_owner.so_minor_id */ + \ | |
289 | /* eir_server_owner.so_major_id<> */ \ | |
290 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 + \ | |
291 | /* eir_server_scope<> */ \ | |
292 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 + \ | |
293 | 1 /* eir_server_impl_id array length */ + \ | |
7d2ed9ac WAA |
294 | 1 /* nii_domain */ + \ |
295 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
296 | 1 /* nii_name */ + \ | |
297 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
298 | 3 /* nii_date */) | |
fc931582 AA |
299 | #define encode_channel_attrs_maxsz (6 + 1 /* ca_rdma_ird.len (0) */) |
300 | #define decode_channel_attrs_maxsz (6 + \ | |
301 | 1 /* ca_rdma_ird.len */ + \ | |
302 | 1 /* ca_rdma_ird */) | |
303 | #define encode_create_session_maxsz (op_encode_hdr_maxsz + \ | |
304 | 2 /* csa_clientid */ + \ | |
305 | 1 /* csa_sequence */ + \ | |
306 | 1 /* csa_flags */ + \ | |
307 | encode_channel_attrs_maxsz + \ | |
308 | encode_channel_attrs_maxsz + \ | |
309 | 1 /* csa_cb_program */ + \ | |
310 | 1 /* csa_sec_parms.len (1) */ + \ | |
311 | 1 /* cb_secflavor (AUTH_SYS) */ + \ | |
312 | 1 /* stamp */ + \ | |
313 | 1 /* machinename.len */ + \ | |
314 | XDR_QUADLEN(NFS4_MAX_MACHINE_NAME_LEN) + \ | |
315 | 1 /* uid */ + \ | |
316 | 1 /* gid */ + \ | |
317 | 1 /* gids.len (0) */) | |
318 | #define decode_create_session_maxsz (op_decode_hdr_maxsz + \ | |
319 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + \ | |
320 | 1 /* csr_sequence */ + \ | |
321 | 1 /* csr_flags */ + \ | |
322 | decode_channel_attrs_maxsz + \ | |
323 | decode_channel_attrs_maxsz) | |
0f3e66c6 AA |
324 | #define encode_destroy_session_maxsz (op_encode_hdr_maxsz + 4) |
325 | #define decode_destroy_session_maxsz (op_decode_hdr_maxsz) | |
fc01cea9 AA |
326 | #define encode_sequence_maxsz (op_encode_hdr_maxsz + \ |
327 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 4) | |
328 | #define decode_sequence_maxsz (op_decode_hdr_maxsz + \ | |
329 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 5) | |
18019753 RL |
330 | #define encode_reclaim_complete_maxsz (op_encode_hdr_maxsz + 4) |
331 | #define decode_reclaim_complete_maxsz (op_decode_hdr_maxsz + 4) | |
7f11d8d3 AA |
332 | #define encode_getdevicelist_maxsz (op_encode_hdr_maxsz + 4 + \ |
333 | encode_verifier_maxsz) | |
334 | #define decode_getdevicelist_maxsz (op_decode_hdr_maxsz + \ | |
335 | 2 /* nfs_cookie4 gdlr_cookie */ + \ | |
336 | decode_verifier_maxsz \ | |
337 | /* verifier4 gdlr_verifier */ + \ | |
338 | 1 /* gdlr_deviceid_list count */ + \ | |
339 | XDR_QUADLEN(NFS4_PNFS_GETDEVLIST_MAXNUM * \ | |
340 | NFS4_DEVICEID4_SIZE) \ | |
341 | /* gdlr_deviceid_list */ + \ | |
342 | 1 /* bool gdlr_eof */) | |
b1f69b75 AA |
343 | #define encode_getdeviceinfo_maxsz (op_encode_hdr_maxsz + 4 + \ |
344 | XDR_QUADLEN(NFS4_DEVICEID4_SIZE)) | |
345 | #define decode_getdeviceinfo_maxsz (op_decode_hdr_maxsz + \ | |
346 | 1 /* layout type */ + \ | |
347 | 1 /* opaque devaddr4 length */ + \ | |
348 | /* devaddr4 payload is read into page */ \ | |
349 | 1 /* notification bitmap length */ + \ | |
350 | 1 /* notification bitmap */) | |
351 | #define encode_layoutget_maxsz (op_encode_hdr_maxsz + 10 + \ | |
352 | encode_stateid_maxsz) | |
353 | #define decode_layoutget_maxsz (op_decode_hdr_maxsz + 8 + \ | |
354 | decode_stateid_maxsz + \ | |
355 | XDR_QUADLEN(PNFS_LAYOUT_MAXSIZE)) | |
863a3c6c AA |
356 | #define encode_layoutcommit_maxsz (op_encode_hdr_maxsz + \ |
357 | 2 /* offset */ + \ | |
358 | 2 /* length */ + \ | |
359 | 1 /* reclaim */ + \ | |
360 | encode_stateid_maxsz + \ | |
361 | 1 /* new offset (true) */ + \ | |
362 | 2 /* last byte written */ + \ | |
363 | 1 /* nt_timechanged (false) */ + \ | |
364 | 1 /* layoutupdate4 layout type */ + \ | |
365 | 1 /* NULL filelayout layoutupdate4 payload */) | |
366 | #define decode_layoutcommit_maxsz (op_decode_hdr_maxsz + 3) | |
cbe82603 BH |
367 | #define encode_layoutreturn_maxsz (8 + op_encode_hdr_maxsz + \ |
368 | encode_stateid_maxsz + \ | |
369 | 1 /* FIXME: opaque lrf_body always empty at the moment */) | |
370 | #define decode_layoutreturn_maxsz (op_decode_hdr_maxsz + \ | |
371 | 1 + decode_stateid_maxsz) | |
fca78d6d BS |
372 | #define encode_secinfo_no_name_maxsz (op_encode_hdr_maxsz + 1) |
373 | #define decode_secinfo_no_name_maxsz decode_secinfo_maxsz | |
7d974794 BS |
374 | #define encode_test_stateid_maxsz (op_encode_hdr_maxsz + 2 + \ |
375 | XDR_QUADLEN(NFS4_STATEID_SIZE)) | |
376 | #define decode_test_stateid_maxsz (op_decode_hdr_maxsz + 2 + 1) | |
9aeda35f BS |
377 | #define encode_free_stateid_maxsz (op_encode_hdr_maxsz + 1 + \ |
378 | XDR_QUADLEN(NFS4_STATEID_SIZE)) | |
379 | #define decode_free_stateid_maxsz (op_decode_hdr_maxsz + 1) | |
9b7b9fcc AA |
380 | #else /* CONFIG_NFS_V4_1 */ |
381 | #define encode_sequence_maxsz 0 | |
382 | #define decode_sequence_maxsz 0 | |
383 | #endif /* CONFIG_NFS_V4_1 */ | |
384 | ||
1da177e4 LT |
385 | #define NFS4_enc_compound_sz (1024) /* XXX: large enough? */ |
386 | #define NFS4_dec_compound_sz (1024) /* XXX: large enough? */ | |
387 | #define NFS4_enc_read_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 388 | encode_sequence_maxsz + \ |
1da177e4 | 389 | encode_putfh_maxsz + \ |
9104a55d | 390 | encode_read_maxsz) |
1da177e4 | 391 | #define NFS4_dec_read_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 392 | decode_sequence_maxsz + \ |
1da177e4 | 393 | decode_putfh_maxsz + \ |
9104a55d | 394 | decode_read_maxsz) |
1da177e4 | 395 | #define NFS4_enc_readlink_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 396 | encode_sequence_maxsz + \ |
1da177e4 | 397 | encode_putfh_maxsz + \ |
9104a55d | 398 | encode_readlink_maxsz) |
1da177e4 | 399 | #define NFS4_dec_readlink_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 400 | decode_sequence_maxsz + \ |
1da177e4 | 401 | decode_putfh_maxsz + \ |
9104a55d | 402 | decode_readlink_maxsz) |
1da177e4 | 403 | #define NFS4_enc_readdir_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 404 | encode_sequence_maxsz + \ |
1da177e4 | 405 | encode_putfh_maxsz + \ |
9104a55d | 406 | encode_readdir_maxsz) |
1da177e4 | 407 | #define NFS4_dec_readdir_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 408 | decode_sequence_maxsz + \ |
1da177e4 | 409 | decode_putfh_maxsz + \ |
9104a55d | 410 | decode_readdir_maxsz) |
1da177e4 | 411 | #define NFS4_enc_write_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 412 | encode_sequence_maxsz + \ |
1da177e4 | 413 | encode_putfh_maxsz + \ |
9104a55d | 414 | encode_write_maxsz + \ |
4f9838c7 | 415 | encode_getattr_maxsz) |
1da177e4 | 416 | #define NFS4_dec_write_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 417 | decode_sequence_maxsz + \ |
1da177e4 | 418 | decode_putfh_maxsz + \ |
9104a55d | 419 | decode_write_maxsz + \ |
4f9838c7 | 420 | decode_getattr_maxsz) |
1da177e4 | 421 | #define NFS4_enc_commit_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 422 | encode_sequence_maxsz + \ |
1da177e4 | 423 | encode_putfh_maxsz + \ |
9104a55d | 424 | encode_commit_maxsz + \ |
4f9838c7 | 425 | encode_getattr_maxsz) |
1da177e4 | 426 | #define NFS4_dec_commit_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 427 | decode_sequence_maxsz + \ |
1da177e4 | 428 | decode_putfh_maxsz + \ |
9104a55d | 429 | decode_commit_maxsz + \ |
4f9838c7 | 430 | decode_getattr_maxsz) |
1da177e4 | 431 | #define NFS4_enc_open_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 432 | encode_sequence_maxsz + \ |
2cebf828 TM |
433 | encode_putfh_maxsz + \ |
434 | encode_savefh_maxsz + \ | |
435 | encode_open_maxsz + \ | |
436 | encode_getfh_maxsz + \ | |
437 | encode_getattr_maxsz + \ | |
438 | encode_restorefh_maxsz + \ | |
439 | encode_getattr_maxsz) | |
1da177e4 | 440 | #define NFS4_dec_open_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 441 | decode_sequence_maxsz + \ |
2cebf828 TM |
442 | decode_putfh_maxsz + \ |
443 | decode_savefh_maxsz + \ | |
444 | decode_open_maxsz + \ | |
445 | decode_getfh_maxsz + \ | |
446 | decode_getattr_maxsz + \ | |
447 | decode_restorefh_maxsz + \ | |
448 | decode_getattr_maxsz) | |
9104a55d TM |
449 | #define NFS4_enc_open_confirm_sz \ |
450 | (compound_encode_hdr_maxsz + \ | |
451 | encode_putfh_maxsz + \ | |
452 | encode_open_confirm_maxsz) | |
453 | #define NFS4_dec_open_confirm_sz \ | |
454 | (compound_decode_hdr_maxsz + \ | |
455 | decode_putfh_maxsz + \ | |
456 | decode_open_confirm_maxsz) | |
1da177e4 | 457 | #define NFS4_enc_open_noattr_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 458 | encode_sequence_maxsz + \ |
1da177e4 | 459 | encode_putfh_maxsz + \ |
2cebf828 TM |
460 | encode_open_maxsz + \ |
461 | encode_getattr_maxsz) | |
1da177e4 | 462 | #define NFS4_dec_open_noattr_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 463 | decode_sequence_maxsz + \ |
1da177e4 | 464 | decode_putfh_maxsz + \ |
2cebf828 TM |
465 | decode_open_maxsz + \ |
466 | decode_getattr_maxsz) | |
1da177e4 LT |
467 | #define NFS4_enc_open_downgrade_sz \ |
468 | (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 469 | encode_sequence_maxsz + \ |
9104a55d TM |
470 | encode_putfh_maxsz + \ |
471 | encode_open_downgrade_maxsz + \ | |
472 | encode_getattr_maxsz) | |
1da177e4 LT |
473 | #define NFS4_dec_open_downgrade_sz \ |
474 | (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 475 | decode_sequence_maxsz + \ |
9104a55d TM |
476 | decode_putfh_maxsz + \ |
477 | decode_open_downgrade_maxsz + \ | |
478 | decode_getattr_maxsz) | |
479 | #define NFS4_enc_close_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 480 | encode_sequence_maxsz + \ |
9104a55d TM |
481 | encode_putfh_maxsz + \ |
482 | encode_close_maxsz + \ | |
483 | encode_getattr_maxsz) | |
484 | #define NFS4_dec_close_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 485 | decode_sequence_maxsz + \ |
9104a55d TM |
486 | decode_putfh_maxsz + \ |
487 | decode_close_maxsz + \ | |
488 | decode_getattr_maxsz) | |
489 | #define NFS4_enc_setattr_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 490 | encode_sequence_maxsz + \ |
9104a55d TM |
491 | encode_putfh_maxsz + \ |
492 | encode_setattr_maxsz + \ | |
493 | encode_getattr_maxsz) | |
494 | #define NFS4_dec_setattr_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 495 | decode_sequence_maxsz + \ |
9104a55d TM |
496 | decode_putfh_maxsz + \ |
497 | decode_setattr_maxsz + \ | |
498 | decode_getattr_maxsz) | |
1da177e4 | 499 | #define NFS4_enc_fsinfo_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 500 | encode_sequence_maxsz + \ |
1da177e4 LT |
501 | encode_putfh_maxsz + \ |
502 | encode_fsinfo_maxsz) | |
503 | #define NFS4_dec_fsinfo_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 504 | decode_sequence_maxsz + \ |
1da177e4 LT |
505 | decode_putfh_maxsz + \ |
506 | decode_fsinfo_maxsz) | |
507 | #define NFS4_enc_renew_sz (compound_encode_hdr_maxsz + \ | |
508 | encode_renew_maxsz) | |
509 | #define NFS4_dec_renew_sz (compound_decode_hdr_maxsz + \ | |
510 | decode_renew_maxsz) | |
511 | #define NFS4_enc_setclientid_sz (compound_encode_hdr_maxsz + \ | |
512 | encode_setclientid_maxsz) | |
513 | #define NFS4_dec_setclientid_sz (compound_decode_hdr_maxsz + \ | |
514 | decode_setclientid_maxsz) | |
515 | #define NFS4_enc_setclientid_confirm_sz \ | |
516 | (compound_encode_hdr_maxsz + \ | |
517 | encode_setclientid_confirm_maxsz + \ | |
518 | encode_putrootfh_maxsz + \ | |
519 | encode_fsinfo_maxsz) | |
520 | #define NFS4_dec_setclientid_confirm_sz \ | |
521 | (compound_decode_hdr_maxsz + \ | |
522 | decode_setclientid_confirm_maxsz + \ | |
523 | decode_putrootfh_maxsz + \ | |
524 | decode_fsinfo_maxsz) | |
525 | #define NFS4_enc_lock_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 526 | encode_sequence_maxsz + \ |
1da177e4 | 527 | encode_putfh_maxsz + \ |
9104a55d | 528 | encode_lock_maxsz) |
1da177e4 | 529 | #define NFS4_dec_lock_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 530 | decode_sequence_maxsz + \ |
1da177e4 | 531 | decode_putfh_maxsz + \ |
9104a55d | 532 | decode_lock_maxsz) |
1da177e4 | 533 | #define NFS4_enc_lockt_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 534 | encode_sequence_maxsz + \ |
1da177e4 | 535 | encode_putfh_maxsz + \ |
9104a55d TM |
536 | encode_lockt_maxsz) |
537 | #define NFS4_dec_lockt_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 538 | decode_sequence_maxsz + \ |
9104a55d TM |
539 | decode_putfh_maxsz + \ |
540 | decode_lockt_maxsz) | |
1da177e4 | 541 | #define NFS4_enc_locku_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 542 | encode_sequence_maxsz + \ |
1da177e4 | 543 | encode_putfh_maxsz + \ |
9104a55d | 544 | encode_locku_maxsz) |
1da177e4 | 545 | #define NFS4_dec_locku_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 546 | decode_sequence_maxsz + \ |
1da177e4 | 547 | decode_putfh_maxsz + \ |
9104a55d | 548 | decode_locku_maxsz) |
d3c7b7cc TM |
549 | #define NFS4_enc_release_lockowner_sz \ |
550 | (compound_encode_hdr_maxsz + \ | |
551 | encode_lockowner_maxsz) | |
552 | #define NFS4_dec_release_lockowner_sz \ | |
553 | (compound_decode_hdr_maxsz + \ | |
554 | decode_lockowner_maxsz) | |
1da177e4 | 555 | #define NFS4_enc_access_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 556 | encode_sequence_maxsz + \ |
1da177e4 | 557 | encode_putfh_maxsz + \ |
76b32999 TM |
558 | encode_access_maxsz + \ |
559 | encode_getattr_maxsz) | |
1da177e4 | 560 | #define NFS4_dec_access_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 561 | decode_sequence_maxsz + \ |
1da177e4 | 562 | decode_putfh_maxsz + \ |
76b32999 TM |
563 | decode_access_maxsz + \ |
564 | decode_getattr_maxsz) | |
1da177e4 | 565 | #define NFS4_enc_getattr_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 566 | encode_sequence_maxsz + \ |
1da177e4 LT |
567 | encode_putfh_maxsz + \ |
568 | encode_getattr_maxsz) | |
569 | #define NFS4_dec_getattr_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 570 | decode_sequence_maxsz + \ |
1da177e4 LT |
571 | decode_putfh_maxsz + \ |
572 | decode_getattr_maxsz) | |
573 | #define NFS4_enc_lookup_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 574 | encode_sequence_maxsz + \ |
1da177e4 LT |
575 | encode_putfh_maxsz + \ |
576 | encode_lookup_maxsz + \ | |
577 | encode_getattr_maxsz + \ | |
578 | encode_getfh_maxsz) | |
579 | #define NFS4_dec_lookup_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 580 | decode_sequence_maxsz + \ |
1da177e4 | 581 | decode_putfh_maxsz + \ |
e6889620 | 582 | decode_lookup_maxsz + \ |
1da177e4 LT |
583 | decode_getattr_maxsz + \ |
584 | decode_getfh_maxsz) | |
585 | #define NFS4_enc_lookup_root_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 586 | encode_sequence_maxsz + \ |
1da177e4 LT |
587 | encode_putrootfh_maxsz + \ |
588 | encode_getattr_maxsz + \ | |
589 | encode_getfh_maxsz) | |
590 | #define NFS4_dec_lookup_root_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 591 | decode_sequence_maxsz + \ |
1da177e4 LT |
592 | decode_putrootfh_maxsz + \ |
593 | decode_getattr_maxsz + \ | |
594 | decode_getfh_maxsz) | |
595 | #define NFS4_enc_remove_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 596 | encode_sequence_maxsz + \ |
1da177e4 | 597 | encode_putfh_maxsz + \ |
16e42959 TM |
598 | encode_remove_maxsz + \ |
599 | encode_getattr_maxsz) | |
1da177e4 | 600 | #define NFS4_dec_remove_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 601 | decode_sequence_maxsz + \ |
1da177e4 | 602 | decode_putfh_maxsz + \ |
6ce18391 | 603 | decode_remove_maxsz + \ |
16e42959 | 604 | decode_getattr_maxsz) |
1da177e4 | 605 | #define NFS4_enc_rename_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 606 | encode_sequence_maxsz + \ |
1da177e4 LT |
607 | encode_putfh_maxsz + \ |
608 | encode_savefh_maxsz + \ | |
609 | encode_putfh_maxsz + \ | |
6caf2c82 TM |
610 | encode_rename_maxsz + \ |
611 | encode_getattr_maxsz + \ | |
612 | encode_restorefh_maxsz + \ | |
613 | encode_getattr_maxsz) | |
1da177e4 | 614 | #define NFS4_dec_rename_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 615 | decode_sequence_maxsz + \ |
1da177e4 LT |
616 | decode_putfh_maxsz + \ |
617 | decode_savefh_maxsz + \ | |
618 | decode_putfh_maxsz + \ | |
6caf2c82 TM |
619 | decode_rename_maxsz + \ |
620 | decode_getattr_maxsz + \ | |
621 | decode_restorefh_maxsz + \ | |
622 | decode_getattr_maxsz) | |
1da177e4 | 623 | #define NFS4_enc_link_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 624 | encode_sequence_maxsz + \ |
1da177e4 LT |
625 | encode_putfh_maxsz + \ |
626 | encode_savefh_maxsz + \ | |
627 | encode_putfh_maxsz + \ | |
91ba2eee TM |
628 | encode_link_maxsz + \ |
629 | decode_getattr_maxsz + \ | |
630 | encode_restorefh_maxsz + \ | |
631 | decode_getattr_maxsz) | |
1da177e4 | 632 | #define NFS4_dec_link_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 633 | decode_sequence_maxsz + \ |
1da177e4 LT |
634 | decode_putfh_maxsz + \ |
635 | decode_savefh_maxsz + \ | |
636 | decode_putfh_maxsz + \ | |
91ba2eee TM |
637 | decode_link_maxsz + \ |
638 | decode_getattr_maxsz + \ | |
639 | decode_restorefh_maxsz + \ | |
640 | decode_getattr_maxsz) | |
1da177e4 | 641 | #define NFS4_enc_symlink_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 642 | encode_sequence_maxsz + \ |
1da177e4 LT |
643 | encode_putfh_maxsz + \ |
644 | encode_symlink_maxsz + \ | |
645 | encode_getattr_maxsz + \ | |
646 | encode_getfh_maxsz) | |
647 | #define NFS4_dec_symlink_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 648 | decode_sequence_maxsz + \ |
1da177e4 LT |
649 | decode_putfh_maxsz + \ |
650 | decode_symlink_maxsz + \ | |
651 | decode_getattr_maxsz + \ | |
652 | decode_getfh_maxsz) | |
653 | #define NFS4_enc_create_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 654 | encode_sequence_maxsz + \ |
1da177e4 | 655 | encode_putfh_maxsz + \ |
56ae19f3 | 656 | encode_savefh_maxsz + \ |
1da177e4 | 657 | encode_create_maxsz + \ |
56ae19f3 | 658 | encode_getfh_maxsz + \ |
1da177e4 | 659 | encode_getattr_maxsz + \ |
56ae19f3 TM |
660 | encode_restorefh_maxsz + \ |
661 | encode_getattr_maxsz) | |
1da177e4 | 662 | #define NFS4_dec_create_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 663 | decode_sequence_maxsz + \ |
1da177e4 | 664 | decode_putfh_maxsz + \ |
56ae19f3 | 665 | decode_savefh_maxsz + \ |
1da177e4 | 666 | decode_create_maxsz + \ |
56ae19f3 | 667 | decode_getfh_maxsz + \ |
1da177e4 | 668 | decode_getattr_maxsz + \ |
56ae19f3 TM |
669 | decode_restorefh_maxsz + \ |
670 | decode_getattr_maxsz) | |
1da177e4 | 671 | #define NFS4_enc_pathconf_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 672 | encode_sequence_maxsz + \ |
1da177e4 LT |
673 | encode_putfh_maxsz + \ |
674 | encode_getattr_maxsz) | |
675 | #define NFS4_dec_pathconf_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 676 | decode_sequence_maxsz + \ |
1da177e4 LT |
677 | decode_putfh_maxsz + \ |
678 | decode_getattr_maxsz) | |
679 | #define NFS4_enc_statfs_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 680 | encode_sequence_maxsz + \ |
1da177e4 | 681 | encode_putfh_maxsz + \ |
9104a55d | 682 | encode_statfs_maxsz) |
1da177e4 | 683 | #define NFS4_dec_statfs_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 684 | decode_sequence_maxsz + \ |
1da177e4 | 685 | decode_putfh_maxsz + \ |
9104a55d | 686 | decode_statfs_maxsz) |
1da177e4 | 687 | #define NFS4_enc_server_caps_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 688 | encode_sequence_maxsz + \ |
ab91f264 | 689 | encode_putfh_maxsz + \ |
1da177e4 LT |
690 | encode_getattr_maxsz) |
691 | #define NFS4_dec_server_caps_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 692 | decode_sequence_maxsz + \ |
ab91f264 | 693 | decode_putfh_maxsz + \ |
1da177e4 LT |
694 | decode_getattr_maxsz) |
695 | #define NFS4_enc_delegreturn_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 696 | encode_sequence_maxsz + \ |
1da177e4 | 697 | encode_putfh_maxsz + \ |
fa178f29 TM |
698 | encode_delegreturn_maxsz + \ |
699 | encode_getattr_maxsz) | |
1da177e4 | 700 | #define NFS4_dec_delegreturn_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 701 | decode_sequence_maxsz + \ |
fa178f29 TM |
702 | decode_delegreturn_maxsz + \ |
703 | decode_getattr_maxsz) | |
029d105e | 704 | #define NFS4_enc_getacl_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 705 | encode_sequence_maxsz + \ |
029d105e | 706 | encode_putfh_maxsz + \ |
9104a55d | 707 | encode_getacl_maxsz) |
029d105e | 708 | #define NFS4_dec_getacl_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 709 | decode_sequence_maxsz + \ |
029d105e | 710 | decode_putfh_maxsz + \ |
9104a55d | 711 | decode_getacl_maxsz) |
23ec6965 | 712 | #define NFS4_enc_setacl_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 713 | encode_sequence_maxsz + \ |
23ec6965 | 714 | encode_putfh_maxsz + \ |
9104a55d | 715 | encode_setacl_maxsz) |
23ec6965 | 716 | #define NFS4_dec_setacl_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 717 | decode_sequence_maxsz + \ |
23ec6965 | 718 | decode_putfh_maxsz + \ |
9104a55d | 719 | decode_setacl_maxsz) |
683b57b4 TM |
720 | #define NFS4_enc_fs_locations_sz \ |
721 | (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 722 | encode_sequence_maxsz + \ |
683b57b4 | 723 | encode_putfh_maxsz + \ |
e6889620 TM |
724 | encode_lookup_maxsz + \ |
725 | encode_fs_locations_maxsz) | |
683b57b4 TM |
726 | #define NFS4_dec_fs_locations_sz \ |
727 | (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 728 | decode_sequence_maxsz + \ |
683b57b4 | 729 | decode_putfh_maxsz + \ |
e6889620 TM |
730 | decode_lookup_maxsz + \ |
731 | decode_fs_locations_maxsz) | |
5a5ea0d4 BS |
732 | #define NFS4_enc_secinfo_sz (compound_encode_hdr_maxsz + \ |
733 | encode_sequence_maxsz + \ | |
734 | encode_putfh_maxsz + \ | |
735 | encode_secinfo_maxsz) | |
736 | #define NFS4_dec_secinfo_sz (compound_decode_hdr_maxsz + \ | |
737 | decode_sequence_maxsz + \ | |
738 | decode_putfh_maxsz + \ | |
739 | decode_secinfo_maxsz) | |
99fe60d0 BH |
740 | #if defined(CONFIG_NFS_V4_1) |
741 | #define NFS4_enc_exchange_id_sz \ | |
742 | (compound_encode_hdr_maxsz + \ | |
743 | encode_exchange_id_maxsz) | |
744 | #define NFS4_dec_exchange_id_sz \ | |
745 | (compound_decode_hdr_maxsz + \ | |
746 | decode_exchange_id_maxsz) | |
fc931582 AA |
747 | #define NFS4_enc_create_session_sz \ |
748 | (compound_encode_hdr_maxsz + \ | |
749 | encode_create_session_maxsz) | |
750 | #define NFS4_dec_create_session_sz \ | |
751 | (compound_decode_hdr_maxsz + \ | |
752 | decode_create_session_maxsz) | |
0f3e66c6 AA |
753 | #define NFS4_enc_destroy_session_sz (compound_encode_hdr_maxsz + \ |
754 | encode_destroy_session_maxsz) | |
755 | #define NFS4_dec_destroy_session_sz (compound_decode_hdr_maxsz + \ | |
756 | decode_destroy_session_maxsz) | |
fc01cea9 AA |
757 | #define NFS4_enc_sequence_sz \ |
758 | (compound_decode_hdr_maxsz + \ | |
759 | encode_sequence_maxsz) | |
760 | #define NFS4_dec_sequence_sz \ | |
761 | (compound_decode_hdr_maxsz + \ | |
762 | decode_sequence_maxsz) | |
2050f0cc AA |
763 | #define NFS4_enc_get_lease_time_sz (compound_encode_hdr_maxsz + \ |
764 | encode_sequence_maxsz + \ | |
765 | encode_putrootfh_maxsz + \ | |
766 | encode_fsinfo_maxsz) | |
767 | #define NFS4_dec_get_lease_time_sz (compound_decode_hdr_maxsz + \ | |
768 | decode_sequence_maxsz + \ | |
769 | decode_putrootfh_maxsz + \ | |
770 | decode_fsinfo_maxsz) | |
18019753 RL |
771 | #define NFS4_enc_reclaim_complete_sz (compound_encode_hdr_maxsz + \ |
772 | encode_sequence_maxsz + \ | |
773 | encode_reclaim_complete_maxsz) | |
774 | #define NFS4_dec_reclaim_complete_sz (compound_decode_hdr_maxsz + \ | |
775 | decode_sequence_maxsz + \ | |
776 | decode_reclaim_complete_maxsz) | |
7f11d8d3 AA |
777 | #define NFS4_enc_getdevicelist_sz (compound_encode_hdr_maxsz + \ |
778 | encode_sequence_maxsz + \ | |
779 | encode_putfh_maxsz + \ | |
780 | encode_getdevicelist_maxsz) | |
781 | #define NFS4_dec_getdevicelist_sz (compound_decode_hdr_maxsz + \ | |
782 | decode_sequence_maxsz + \ | |
783 | decode_putfh_maxsz + \ | |
784 | decode_getdevicelist_maxsz) | |
b1f69b75 AA |
785 | #define NFS4_enc_getdeviceinfo_sz (compound_encode_hdr_maxsz + \ |
786 | encode_sequence_maxsz +\ | |
787 | encode_getdeviceinfo_maxsz) | |
788 | #define NFS4_dec_getdeviceinfo_sz (compound_decode_hdr_maxsz + \ | |
789 | decode_sequence_maxsz + \ | |
790 | decode_getdeviceinfo_maxsz) | |
791 | #define NFS4_enc_layoutget_sz (compound_encode_hdr_maxsz + \ | |
792 | encode_sequence_maxsz + \ | |
793 | encode_putfh_maxsz + \ | |
794 | encode_layoutget_maxsz) | |
795 | #define NFS4_dec_layoutget_sz (compound_decode_hdr_maxsz + \ | |
796 | decode_sequence_maxsz + \ | |
797 | decode_putfh_maxsz + \ | |
798 | decode_layoutget_maxsz) | |
863a3c6c AA |
799 | #define NFS4_enc_layoutcommit_sz (compound_encode_hdr_maxsz + \ |
800 | encode_sequence_maxsz +\ | |
801 | encode_putfh_maxsz + \ | |
802 | encode_layoutcommit_maxsz + \ | |
803 | encode_getattr_maxsz) | |
804 | #define NFS4_dec_layoutcommit_sz (compound_decode_hdr_maxsz + \ | |
805 | decode_sequence_maxsz + \ | |
806 | decode_putfh_maxsz + \ | |
807 | decode_layoutcommit_maxsz + \ | |
808 | decode_getattr_maxsz) | |
cbe82603 BH |
809 | #define NFS4_enc_layoutreturn_sz (compound_encode_hdr_maxsz + \ |
810 | encode_sequence_maxsz + \ | |
811 | encode_putfh_maxsz + \ | |
812 | encode_layoutreturn_maxsz) | |
813 | #define NFS4_dec_layoutreturn_sz (compound_decode_hdr_maxsz + \ | |
814 | decode_sequence_maxsz + \ | |
815 | decode_putfh_maxsz + \ | |
816 | decode_layoutreturn_maxsz) | |
fca78d6d BS |
817 | #define NFS4_enc_secinfo_no_name_sz (compound_encode_hdr_maxsz + \ |
818 | encode_sequence_maxsz + \ | |
819 | encode_putrootfh_maxsz +\ | |
820 | encode_secinfo_no_name_maxsz) | |
821 | #define NFS4_dec_secinfo_no_name_sz (compound_decode_hdr_maxsz + \ | |
822 | decode_sequence_maxsz + \ | |
823 | decode_putrootfh_maxsz + \ | |
824 | decode_secinfo_no_name_maxsz) | |
7d974794 BS |
825 | #define NFS4_enc_test_stateid_sz (compound_encode_hdr_maxsz + \ |
826 | encode_sequence_maxsz + \ | |
827 | encode_test_stateid_maxsz) | |
828 | #define NFS4_dec_test_stateid_sz (compound_decode_hdr_maxsz + \ | |
829 | decode_sequence_maxsz + \ | |
830 | decode_test_stateid_maxsz) | |
9aeda35f BS |
831 | #define NFS4_enc_free_stateid_sz (compound_encode_hdr_maxsz + \ |
832 | encode_sequence_maxsz + \ | |
833 | encode_free_stateid_maxsz) | |
834 | #define NFS4_dec_free_stateid_sz (compound_decode_hdr_maxsz + \ | |
835 | decode_sequence_maxsz + \ | |
836 | decode_free_stateid_maxsz) | |
2449ea2e AB |
837 | |
838 | const u32 nfs41_maxwrite_overhead = ((RPC_MAX_HEADER_WITH_AUTH + | |
839 | compound_encode_hdr_maxsz + | |
840 | encode_sequence_maxsz + | |
841 | encode_putfh_maxsz + | |
842 | encode_getattr_maxsz) * | |
843 | XDR_UNIT); | |
844 | ||
845 | const u32 nfs41_maxread_overhead = ((RPC_MAX_HEADER_WITH_AUTH + | |
846 | compound_decode_hdr_maxsz + | |
847 | decode_sequence_maxsz + | |
848 | decode_putfh_maxsz) * | |
849 | XDR_UNIT); | |
99fe60d0 | 850 | #endif /* CONFIG_NFS_V4_1 */ |
1da177e4 | 851 | |
db8ac8ba WAA |
852 | static unsigned short send_implementation_id = 1; |
853 | ||
854 | module_param(send_implementation_id, ushort, 0644); | |
855 | MODULE_PARM_DESC(send_implementation_id, | |
856 | "Send implementation ID with NFSv4.1 exchange_id"); | |
857 | ||
bca79478 TM |
858 | static const umode_t nfs_type2fmt[] = { |
859 | [NF4BAD] = 0, | |
860 | [NF4REG] = S_IFREG, | |
861 | [NF4DIR] = S_IFDIR, | |
862 | [NF4BLK] = S_IFBLK, | |
863 | [NF4CHR] = S_IFCHR, | |
864 | [NF4LNK] = S_IFLNK, | |
865 | [NF4SOCK] = S_IFSOCK, | |
866 | [NF4FIFO] = S_IFIFO, | |
867 | [NF4ATTRDIR] = 0, | |
868 | [NF4NAMEDATTR] = 0, | |
1da177e4 LT |
869 | }; |
870 | ||
871 | struct compound_hdr { | |
872 | int32_t status; | |
873 | uint32_t nops; | |
d017931c | 874 | __be32 * nops_p; |
1da177e4 LT |
875 | uint32_t taglen; |
876 | char * tag; | |
0c4e8c18 | 877 | uint32_t replen; /* expected reply words */ |
66cc0429 | 878 | u32 minorversion; |
1da177e4 LT |
879 | }; |
880 | ||
13c65ce9 BH |
881 | static __be32 *reserve_space(struct xdr_stream *xdr, size_t nbytes) |
882 | { | |
883 | __be32 *p = xdr_reserve_space(xdr, nbytes); | |
884 | BUG_ON(!p); | |
885 | return p; | |
886 | } | |
1da177e4 | 887 | |
cb17e556 TM |
888 | static void encode_opaque_fixed(struct xdr_stream *xdr, const void *buf, size_t len) |
889 | { | |
890 | __be32 *p; | |
891 | ||
892 | p = xdr_reserve_space(xdr, len); | |
893 | xdr_encode_opaque_fixed(p, buf, len); | |
894 | } | |
895 | ||
1da177e4 LT |
896 | static void encode_string(struct xdr_stream *xdr, unsigned int len, const char *str) |
897 | { | |
8687b63a | 898 | __be32 *p; |
1da177e4 | 899 | |
6fdfb0bc | 900 | p = reserve_space(xdr, 4 + len); |
1da177e4 LT |
901 | xdr_encode_opaque(p, str, len); |
902 | } | |
903 | ||
0c4e8c18 BH |
904 | static void encode_compound_hdr(struct xdr_stream *xdr, |
905 | struct rpc_rqst *req, | |
906 | struct compound_hdr *hdr) | |
1da177e4 | 907 | { |
8687b63a | 908 | __be32 *p; |
a17c2153 | 909 | struct rpc_auth *auth = req->rq_cred->cr_auth; |
0c4e8c18 BH |
910 | |
911 | /* initialize running count of expected bytes in reply. | |
912 | * NOTE: the replied tag SHOULD be the same is the one sent, | |
913 | * but this is not required as a MUST for the server to do so. */ | |
914 | hdr->replen = RPC_REPHDRSIZE + auth->au_rslack + 3 + hdr->taglen; | |
1da177e4 | 915 | |
1da177e4 | 916 | BUG_ON(hdr->taglen > NFS4_MAXTAGLEN); |
6fdfb0bc TM |
917 | encode_string(xdr, hdr->taglen, hdr->tag); |
918 | p = reserve_space(xdr, 8); | |
e75bc1c8 | 919 | *p++ = cpu_to_be32(hdr->minorversion); |
d017931c | 920 | hdr->nops_p = p; |
34558513 | 921 | *p = cpu_to_be32(hdr->nops); |
d017931c AA |
922 | } |
923 | ||
924 | static void encode_nops(struct compound_hdr *hdr) | |
925 | { | |
fc931582 | 926 | BUG_ON(hdr->nops > NFS4_MAX_OPS); |
d017931c | 927 | *hdr->nops_p = htonl(hdr->nops); |
1da177e4 LT |
928 | } |
929 | ||
ea9d23f5 TM |
930 | static void encode_nfs4_stateid(struct xdr_stream *xdr, const nfs4_stateid *stateid) |
931 | { | |
2d2f24ad | 932 | encode_opaque_fixed(xdr, stateid, NFS4_STATEID_SIZE); |
ea9d23f5 TM |
933 | } |
934 | ||
1da177e4 LT |
935 | static void encode_nfs4_verifier(struct xdr_stream *xdr, const nfs4_verifier *verf) |
936 | { | |
cb17e556 | 937 | encode_opaque_fixed(xdr, verf->data, NFS4_VERIFIER_SIZE); |
1da177e4 LT |
938 | } |
939 | ||
cf8cdbe5 | 940 | static void encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const struct nfs_server *server) |
1da177e4 LT |
941 | { |
942 | char owner_name[IDMAP_NAMESZ]; | |
943 | char owner_group[IDMAP_NAMESZ]; | |
944 | int owner_namelen = 0; | |
945 | int owner_grouplen = 0; | |
8687b63a AV |
946 | __be32 *p; |
947 | __be32 *q; | |
1da177e4 LT |
948 | int len; |
949 | uint32_t bmval0 = 0; | |
950 | uint32_t bmval1 = 0; | |
1da177e4 LT |
951 | |
952 | /* | |
953 | * We reserve enough space to write the entire attribute buffer at once. | |
954 | * In the worst-case, this would be | |
955 | * 12(bitmap) + 4(attrlen) + 8(size) + 4(mode) + 4(atime) + 4(mtime) | |
956 | * = 36 bytes, plus any contribution from variable-length fields | |
23ec6965 | 957 | * such as owner/group. |
1da177e4 LT |
958 | */ |
959 | len = 16; | |
960 | ||
961 | /* Sigh */ | |
962 | if (iap->ia_valid & ATTR_SIZE) | |
963 | len += 8; | |
964 | if (iap->ia_valid & ATTR_MODE) | |
965 | len += 4; | |
966 | if (iap->ia_valid & ATTR_UID) { | |
e4fd72a1 | 967 | owner_namelen = nfs_map_uid_to_name(server, iap->ia_uid, owner_name, IDMAP_NAMESZ); |
1da177e4 | 968 | if (owner_namelen < 0) { |
fe82a183 CL |
969 | dprintk("nfs: couldn't resolve uid %d to string\n", |
970 | iap->ia_uid); | |
1da177e4 LT |
971 | /* XXX */ |
972 | strcpy(owner_name, "nobody"); | |
973 | owner_namelen = sizeof("nobody") - 1; | |
974 | /* goto out; */ | |
975 | } | |
976 | len += 4 + (XDR_QUADLEN(owner_namelen) << 2); | |
977 | } | |
978 | if (iap->ia_valid & ATTR_GID) { | |
e4fd72a1 | 979 | owner_grouplen = nfs_map_gid_to_group(server, iap->ia_gid, owner_group, IDMAP_NAMESZ); |
1da177e4 | 980 | if (owner_grouplen < 0) { |
fe82a183 CL |
981 | dprintk("nfs: couldn't resolve gid %d to string\n", |
982 | iap->ia_gid); | |
1da177e4 LT |
983 | strcpy(owner_group, "nobody"); |
984 | owner_grouplen = sizeof("nobody") - 1; | |
985 | /* goto out; */ | |
986 | } | |
987 | len += 4 + (XDR_QUADLEN(owner_grouplen) << 2); | |
988 | } | |
989 | if (iap->ia_valid & ATTR_ATIME_SET) | |
990 | len += 16; | |
991 | else if (iap->ia_valid & ATTR_ATIME) | |
992 | len += 4; | |
993 | if (iap->ia_valid & ATTR_MTIME_SET) | |
994 | len += 16; | |
995 | else if (iap->ia_valid & ATTR_MTIME) | |
996 | len += 4; | |
13c65ce9 | 997 | p = reserve_space(xdr, len); |
1da177e4 LT |
998 | |
999 | /* | |
1000 | * We write the bitmap length now, but leave the bitmap and the attribute | |
1001 | * buffer length to be backfilled at the end of this routine. | |
1002 | */ | |
e75bc1c8 | 1003 | *p++ = cpu_to_be32(2); |
1da177e4 LT |
1004 | q = p; |
1005 | p += 3; | |
1006 | ||
1007 | if (iap->ia_valid & ATTR_SIZE) { | |
1008 | bmval0 |= FATTR4_WORD0_SIZE; | |
b95be5a9 | 1009 | p = xdr_encode_hyper(p, iap->ia_size); |
1da177e4 LT |
1010 | } |
1011 | if (iap->ia_valid & ATTR_MODE) { | |
1012 | bmval1 |= FATTR4_WORD1_MODE; | |
e75bc1c8 | 1013 | *p++ = cpu_to_be32(iap->ia_mode & S_IALLUGO); |
1da177e4 LT |
1014 | } |
1015 | if (iap->ia_valid & ATTR_UID) { | |
1016 | bmval1 |= FATTR4_WORD1_OWNER; | |
811652bd | 1017 | p = xdr_encode_opaque(p, owner_name, owner_namelen); |
1da177e4 LT |
1018 | } |
1019 | if (iap->ia_valid & ATTR_GID) { | |
1020 | bmval1 |= FATTR4_WORD1_OWNER_GROUP; | |
811652bd | 1021 | p = xdr_encode_opaque(p, owner_group, owner_grouplen); |
1da177e4 LT |
1022 | } |
1023 | if (iap->ia_valid & ATTR_ATIME_SET) { | |
1024 | bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET; | |
e75bc1c8 BH |
1025 | *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); |
1026 | *p++ = cpu_to_be32(0); | |
d3f6baaa TM |
1027 | *p++ = cpu_to_be32(iap->ia_atime.tv_sec); |
1028 | *p++ = cpu_to_be32(iap->ia_atime.tv_nsec); | |
1da177e4 LT |
1029 | } |
1030 | else if (iap->ia_valid & ATTR_ATIME) { | |
1031 | bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET; | |
e75bc1c8 | 1032 | *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); |
1da177e4 LT |
1033 | } |
1034 | if (iap->ia_valid & ATTR_MTIME_SET) { | |
1035 | bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET; | |
e75bc1c8 BH |
1036 | *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); |
1037 | *p++ = cpu_to_be32(0); | |
1038 | *p++ = cpu_to_be32(iap->ia_mtime.tv_sec); | |
1039 | *p++ = cpu_to_be32(iap->ia_mtime.tv_nsec); | |
1da177e4 LT |
1040 | } |
1041 | else if (iap->ia_valid & ATTR_MTIME) { | |
1042 | bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET; | |
e75bc1c8 | 1043 | *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); |
1da177e4 | 1044 | } |
6c0195a4 | 1045 | |
1da177e4 LT |
1046 | /* |
1047 | * Now we backfill the bitmap and the attribute buffer length. | |
1048 | */ | |
1049 | if (len != ((char *)p - (char *)q) + 4) { | |
f9fd2d9c | 1050 | printk(KERN_ERR "NFS: Attr length error, %u != %Zu\n", |
1da177e4 LT |
1051 | len, ((char *)p - (char *)q) + 4); |
1052 | BUG(); | |
1053 | } | |
1054 | len = (char *)p - (char *)q - 12; | |
1055 | *q++ = htonl(bmval0); | |
1056 | *q++ = htonl(bmval1); | |
34558513 | 1057 | *q = htonl(len); |
1da177e4 | 1058 | |
1da177e4 | 1059 | /* out: */ |
1da177e4 LT |
1060 | } |
1061 | ||
cf8cdbe5 | 1062 | static void encode_access(struct xdr_stream *xdr, u32 access, struct compound_hdr *hdr) |
1da177e4 | 1063 | { |
8687b63a | 1064 | __be32 *p; |
1da177e4 | 1065 | |
13c65ce9 | 1066 | p = reserve_space(xdr, 8); |
e75bc1c8 | 1067 | *p++ = cpu_to_be32(OP_ACCESS); |
34558513 | 1068 | *p = cpu_to_be32(access); |
d017931c | 1069 | hdr->nops++; |
dadf0c27 | 1070 | hdr->replen += decode_access_maxsz; |
1da177e4 LT |
1071 | } |
1072 | ||
cf8cdbe5 | 1073 | static void encode_close(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1074 | { |
8687b63a | 1075 | __be32 *p; |
1da177e4 | 1076 | |
ea9d23f5 | 1077 | p = reserve_space(xdr, 8); |
e75bc1c8 | 1078 | *p++ = cpu_to_be32(OP_CLOSE); |
ea9d23f5 TM |
1079 | *p = cpu_to_be32(arg->seqid->sequence->counter); |
1080 | encode_nfs4_stateid(xdr, arg->stateid); | |
d017931c | 1081 | hdr->nops++; |
dadf0c27 | 1082 | hdr->replen += decode_close_maxsz; |
1da177e4 LT |
1083 | } |
1084 | ||
cf8cdbe5 | 1085 | static void encode_commit(struct xdr_stream *xdr, const struct nfs_writeargs *args, struct compound_hdr *hdr) |
1da177e4 | 1086 | { |
8687b63a | 1087 | __be32 *p; |
6c0195a4 | 1088 | |
13c65ce9 | 1089 | p = reserve_space(xdr, 16); |
e75bc1c8 | 1090 | *p++ = cpu_to_be32(OP_COMMIT); |
b95be5a9 | 1091 | p = xdr_encode_hyper(p, args->offset); |
34558513 | 1092 | *p = cpu_to_be32(args->count); |
d017931c | 1093 | hdr->nops++; |
dadf0c27 | 1094 | hdr->replen += decode_commit_maxsz; |
1da177e4 LT |
1095 | } |
1096 | ||
cf8cdbe5 | 1097 | static void encode_create(struct xdr_stream *xdr, const struct nfs4_create_arg *create, struct compound_hdr *hdr) |
1da177e4 | 1098 | { |
8687b63a | 1099 | __be32 *p; |
6c0195a4 | 1100 | |
13c65ce9 | 1101 | p = reserve_space(xdr, 8); |
e75bc1c8 | 1102 | *p++ = cpu_to_be32(OP_CREATE); |
34558513 | 1103 | *p = cpu_to_be32(create->ftype); |
1da177e4 LT |
1104 | |
1105 | switch (create->ftype) { | |
1106 | case NF4LNK: | |
13c65ce9 | 1107 | p = reserve_space(xdr, 4); |
34558513 | 1108 | *p = cpu_to_be32(create->u.symlink.len); |
94a6d753 | 1109 | xdr_write_pages(xdr, create->u.symlink.pages, 0, create->u.symlink.len); |
1da177e4 LT |
1110 | break; |
1111 | ||
1112 | case NF4BLK: case NF4CHR: | |
13c65ce9 | 1113 | p = reserve_space(xdr, 8); |
e75bc1c8 | 1114 | *p++ = cpu_to_be32(create->u.device.specdata1); |
34558513 | 1115 | *p = cpu_to_be32(create->u.device.specdata2); |
1da177e4 LT |
1116 | break; |
1117 | ||
1118 | default: | |
1119 | break; | |
1120 | } | |
1121 | ||
811652bd | 1122 | encode_string(xdr, create->name->len, create->name->name); |
d017931c | 1123 | hdr->nops++; |
dadf0c27 | 1124 | hdr->replen += decode_create_maxsz; |
1da177e4 | 1125 | |
cf8cdbe5 | 1126 | encode_attrs(xdr, create->attrs, create->server); |
1da177e4 LT |
1127 | } |
1128 | ||
cf8cdbe5 | 1129 | static void encode_getattr_one(struct xdr_stream *xdr, uint32_t bitmap, struct compound_hdr *hdr) |
1da177e4 | 1130 | { |
05d564fe | 1131 | __be32 *p; |
1da177e4 | 1132 | |
13c65ce9 | 1133 | p = reserve_space(xdr, 12); |
e75bc1c8 BH |
1134 | *p++ = cpu_to_be32(OP_GETATTR); |
1135 | *p++ = cpu_to_be32(1); | |
34558513 | 1136 | *p = cpu_to_be32(bitmap); |
d017931c | 1137 | hdr->nops++; |
dadf0c27 | 1138 | hdr->replen += decode_getattr_maxsz; |
1da177e4 LT |
1139 | } |
1140 | ||
cf8cdbe5 | 1141 | static void encode_getattr_two(struct xdr_stream *xdr, uint32_t bm0, uint32_t bm1, struct compound_hdr *hdr) |
1da177e4 | 1142 | { |
05d564fe | 1143 | __be32 *p; |
1da177e4 | 1144 | |
13c65ce9 | 1145 | p = reserve_space(xdr, 16); |
e75bc1c8 BH |
1146 | *p++ = cpu_to_be32(OP_GETATTR); |
1147 | *p++ = cpu_to_be32(2); | |
1148 | *p++ = cpu_to_be32(bm0); | |
34558513 | 1149 | *p = cpu_to_be32(bm1); |
d017931c | 1150 | hdr->nops++; |
dadf0c27 | 1151 | hdr->replen += decode_getattr_maxsz; |
1da177e4 LT |
1152 | } |
1153 | ||
dae100c2 FI |
1154 | static void |
1155 | encode_getattr_three(struct xdr_stream *xdr, | |
1156 | uint32_t bm0, uint32_t bm1, uint32_t bm2, | |
1157 | struct compound_hdr *hdr) | |
1158 | { | |
1159 | __be32 *p; | |
1160 | ||
1161 | p = reserve_space(xdr, 4); | |
1162 | *p = cpu_to_be32(OP_GETATTR); | |
1163 | if (bm2) { | |
1164 | p = reserve_space(xdr, 16); | |
1165 | *p++ = cpu_to_be32(3); | |
1166 | *p++ = cpu_to_be32(bm0); | |
1167 | *p++ = cpu_to_be32(bm1); | |
1168 | *p = cpu_to_be32(bm2); | |
1169 | } else if (bm1) { | |
1170 | p = reserve_space(xdr, 12); | |
1171 | *p++ = cpu_to_be32(2); | |
1172 | *p++ = cpu_to_be32(bm0); | |
1173 | *p = cpu_to_be32(bm1); | |
1174 | } else { | |
1175 | p = reserve_space(xdr, 8); | |
1176 | *p++ = cpu_to_be32(1); | |
1177 | *p = cpu_to_be32(bm0); | |
1178 | } | |
1179 | hdr->nops++; | |
1180 | hdr->replen += decode_getattr_maxsz; | |
1181 | } | |
1182 | ||
cf8cdbe5 | 1183 | static void encode_getfattr(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
1da177e4 | 1184 | { |
cf8cdbe5 AA |
1185 | encode_getattr_two(xdr, bitmask[0] & nfs4_fattr_bitmap[0], |
1186 | bitmask[1] & nfs4_fattr_bitmap[1], hdr); | |
1da177e4 LT |
1187 | } |
1188 | ||
cf8cdbe5 | 1189 | static void encode_fsinfo(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
1da177e4 | 1190 | { |
dae100c2 FI |
1191 | encode_getattr_three(xdr, |
1192 | bitmask[0] & nfs4_fsinfo_bitmap[0], | |
1193 | bitmask[1] & nfs4_fsinfo_bitmap[1], | |
1194 | bitmask[2] & nfs4_fsinfo_bitmap[2], | |
1195 | hdr); | |
1da177e4 LT |
1196 | } |
1197 | ||
cf8cdbe5 | 1198 | static void encode_fs_locations(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
830b8e33 | 1199 | { |
cf8cdbe5 AA |
1200 | encode_getattr_two(xdr, bitmask[0] & nfs4_fs_locations_bitmap[0], |
1201 | bitmask[1] & nfs4_fs_locations_bitmap[1], hdr); | |
830b8e33 MN |
1202 | } |
1203 | ||
cf8cdbe5 | 1204 | static void encode_getfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1205 | { |
8687b63a | 1206 | __be32 *p; |
1da177e4 | 1207 | |
13c65ce9 | 1208 | p = reserve_space(xdr, 4); |
34558513 | 1209 | *p = cpu_to_be32(OP_GETFH); |
d017931c | 1210 | hdr->nops++; |
dadf0c27 | 1211 | hdr->replen += decode_getfh_maxsz; |
1da177e4 LT |
1212 | } |
1213 | ||
cf8cdbe5 | 1214 | static void encode_link(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1215 | { |
8687b63a | 1216 | __be32 *p; |
1da177e4 | 1217 | |
6fdfb0bc TM |
1218 | p = reserve_space(xdr, 4); |
1219 | *p = cpu_to_be32(OP_LINK); | |
1220 | encode_string(xdr, name->len, name->name); | |
d017931c | 1221 | hdr->nops++; |
dadf0c27 | 1222 | hdr->replen += decode_link_maxsz; |
1da177e4 LT |
1223 | } |
1224 | ||
911d1aaf TM |
1225 | static inline int nfs4_lock_type(struct file_lock *fl, int block) |
1226 | { | |
1227 | if ((fl->fl_type & (F_RDLCK|F_WRLCK|F_UNLCK)) == F_RDLCK) | |
1228 | return block ? NFS4_READW_LT : NFS4_READ_LT; | |
1229 | return block ? NFS4_WRITEW_LT : NFS4_WRITE_LT; | |
1230 | } | |
1231 | ||
1232 | static inline uint64_t nfs4_lock_length(struct file_lock *fl) | |
1233 | { | |
1234 | if (fl->fl_end == OFFSET_MAX) | |
1235 | return ~(uint64_t)0; | |
1236 | return fl->fl_end - fl->fl_start + 1; | |
1237 | } | |
1238 | ||
daccbded TM |
1239 | static void encode_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner) |
1240 | { | |
1241 | __be32 *p; | |
1242 | ||
d035c36c | 1243 | p = reserve_space(xdr, 32); |
daccbded | 1244 | p = xdr_encode_hyper(p, lowner->clientid); |
d035c36c | 1245 | *p++ = cpu_to_be32(20); |
daccbded | 1246 | p = xdr_encode_opaque_fixed(p, "lock id:", 8); |
d035c36c | 1247 | *p++ = cpu_to_be32(lowner->s_dev); |
daccbded TM |
1248 | xdr_encode_hyper(p, lowner->id); |
1249 | } | |
1250 | ||
1da177e4 LT |
1251 | /* |
1252 | * opcode,type,reclaim,offset,length,new_lock_owner = 32 | |
1253 | * open_seqid,open_stateid,lock_seqid,lock_owner.clientid, lock_owner.id = 40 | |
1254 | */ | |
cf8cdbe5 | 1255 | static void encode_lock(struct xdr_stream *xdr, const struct nfs_lock_args *args, struct compound_hdr *hdr) |
1da177e4 | 1256 | { |
8687b63a | 1257 | __be32 *p; |
1da177e4 | 1258 | |
13c65ce9 | 1259 | p = reserve_space(xdr, 32); |
e75bc1c8 BH |
1260 | *p++ = cpu_to_be32(OP_LOCK); |
1261 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, args->block)); | |
1262 | *p++ = cpu_to_be32(args->reclaim); | |
b95be5a9 BH |
1263 | p = xdr_encode_hyper(p, args->fl->fl_start); |
1264 | p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); | |
34558513 | 1265 | *p = cpu_to_be32(args->new_lock_owner); |
911d1aaf | 1266 | if (args->new_lock_owner){ |
ea9d23f5 TM |
1267 | p = reserve_space(xdr, 4); |
1268 | *p = cpu_to_be32(args->open_seqid->sequence->counter); | |
1269 | encode_nfs4_stateid(xdr, args->open_stateid); | |
1270 | p = reserve_space(xdr, 4); | |
1271 | *p = cpu_to_be32(args->lock_seqid->sequence->counter); | |
daccbded | 1272 | encode_lockowner(xdr, &args->lock_owner); |
1da177e4 LT |
1273 | } |
1274 | else { | |
ea9d23f5 TM |
1275 | encode_nfs4_stateid(xdr, args->lock_stateid); |
1276 | p = reserve_space(xdr, 4); | |
34558513 | 1277 | *p = cpu_to_be32(args->lock_seqid->sequence->counter); |
1da177e4 | 1278 | } |
d017931c | 1279 | hdr->nops++; |
dadf0c27 | 1280 | hdr->replen += decode_lock_maxsz; |
1da177e4 LT |
1281 | } |
1282 | ||
cf8cdbe5 | 1283 | static void encode_lockt(struct xdr_stream *xdr, const struct nfs_lockt_args *args, struct compound_hdr *hdr) |
1da177e4 | 1284 | { |
8687b63a | 1285 | __be32 *p; |
1da177e4 | 1286 | |
daccbded | 1287 | p = reserve_space(xdr, 24); |
e75bc1c8 BH |
1288 | *p++ = cpu_to_be32(OP_LOCKT); |
1289 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, 0)); | |
b95be5a9 BH |
1290 | p = xdr_encode_hyper(p, args->fl->fl_start); |
1291 | p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); | |
daccbded | 1292 | encode_lockowner(xdr, &args->lock_owner); |
d017931c | 1293 | hdr->nops++; |
dadf0c27 | 1294 | hdr->replen += decode_lockt_maxsz; |
1da177e4 LT |
1295 | } |
1296 | ||
cf8cdbe5 | 1297 | static void encode_locku(struct xdr_stream *xdr, const struct nfs_locku_args *args, struct compound_hdr *hdr) |
1da177e4 | 1298 | { |
8687b63a | 1299 | __be32 *p; |
1da177e4 | 1300 | |
ea9d23f5 | 1301 | p = reserve_space(xdr, 12); |
e75bc1c8 BH |
1302 | *p++ = cpu_to_be32(OP_LOCKU); |
1303 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, 0)); | |
ea9d23f5 TM |
1304 | *p = cpu_to_be32(args->seqid->sequence->counter); |
1305 | encode_nfs4_stateid(xdr, args->stateid); | |
1306 | p = reserve_space(xdr, 16); | |
b95be5a9 | 1307 | p = xdr_encode_hyper(p, args->fl->fl_start); |
34558513 | 1308 | xdr_encode_hyper(p, nfs4_lock_length(args->fl)); |
d017931c | 1309 | hdr->nops++; |
dadf0c27 | 1310 | hdr->replen += decode_locku_maxsz; |
1da177e4 LT |
1311 | } |
1312 | ||
d3c7b7cc TM |
1313 | static void encode_release_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner, struct compound_hdr *hdr) |
1314 | { | |
1315 | __be32 *p; | |
1316 | ||
1317 | p = reserve_space(xdr, 4); | |
1318 | *p = cpu_to_be32(OP_RELEASE_LOCKOWNER); | |
1319 | encode_lockowner(xdr, lowner); | |
1320 | hdr->nops++; | |
1321 | hdr->replen += decode_release_lockowner_maxsz; | |
1322 | } | |
1323 | ||
cf8cdbe5 | 1324 | static void encode_lookup(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1325 | { |
8687b63a | 1326 | __be32 *p; |
1da177e4 | 1327 | |
6fdfb0bc TM |
1328 | p = reserve_space(xdr, 4); |
1329 | *p = cpu_to_be32(OP_LOOKUP); | |
1330 | encode_string(xdr, name->len, name->name); | |
d017931c | 1331 | hdr->nops++; |
dadf0c27 | 1332 | hdr->replen += decode_lookup_maxsz; |
1da177e4 LT |
1333 | } |
1334 | ||
dc0b027d | 1335 | static void encode_share_access(struct xdr_stream *xdr, fmode_t fmode) |
1da177e4 | 1336 | { |
8687b63a | 1337 | __be32 *p; |
1da177e4 | 1338 | |
13c65ce9 | 1339 | p = reserve_space(xdr, 8); |
dc0b027d | 1340 | switch (fmode & (FMODE_READ|FMODE_WRITE)) { |
05d564fe | 1341 | case FMODE_READ: |
e75bc1c8 | 1342 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_READ); |
05d564fe AA |
1343 | break; |
1344 | case FMODE_WRITE: | |
e75bc1c8 | 1345 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_WRITE); |
05d564fe AA |
1346 | break; |
1347 | case FMODE_READ|FMODE_WRITE: | |
e75bc1c8 | 1348 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_BOTH); |
05d564fe AA |
1349 | break; |
1350 | default: | |
e75bc1c8 | 1351 | *p++ = cpu_to_be32(0); |
1da177e4 | 1352 | } |
34558513 | 1353 | *p = cpu_to_be32(0); /* for linux, share_deny = 0 always */ |
1da177e4 LT |
1354 | } |
1355 | ||
1356 | static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1357 | { | |
8687b63a | 1358 | __be32 *p; |
1da177e4 LT |
1359 | /* |
1360 | * opcode 4, seqid 4, share_access 4, share_deny 4, clientid 8, ownerlen 4, | |
1361 | * owner 4 = 32 | |
1362 | */ | |
13c65ce9 | 1363 | p = reserve_space(xdr, 8); |
e75bc1c8 | 1364 | *p++ = cpu_to_be32(OP_OPEN); |
34558513 | 1365 | *p = cpu_to_be32(arg->seqid->sequence->counter); |
dc0b027d | 1366 | encode_share_access(xdr, arg->fmode); |
d035c36c | 1367 | p = reserve_space(xdr, 32); |
b95be5a9 | 1368 | p = xdr_encode_hyper(p, arg->clientid); |
d035c36c | 1369 | *p++ = cpu_to_be32(20); |
93f0cf25 | 1370 | p = xdr_encode_opaque_fixed(p, "open id:", 8); |
d035c36c | 1371 | *p++ = cpu_to_be32(arg->server->s_dev); |
34558513 | 1372 | xdr_encode_hyper(p, arg->id); |
1da177e4 LT |
1373 | } |
1374 | ||
1375 | static inline void encode_createmode(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1376 | { | |
8687b63a | 1377 | __be32 *p; |
4882ef72 | 1378 | struct nfs_client *clp; |
1da177e4 | 1379 | |
13c65ce9 | 1380 | p = reserve_space(xdr, 4); |
1da177e4 | 1381 | switch(arg->open_flags & O_EXCL) { |
05d564fe | 1382 | case 0: |
34558513 | 1383 | *p = cpu_to_be32(NFS4_CREATE_UNCHECKED); |
05d564fe AA |
1384 | encode_attrs(xdr, arg->u.attrs, arg->server); |
1385 | break; | |
1386 | default: | |
4882ef72 | 1387 | clp = arg->server->nfs_client; |
a4432345 | 1388 | if (clp->cl_mvops->minor_version > 0) { |
4882ef72 AB |
1389 | if (nfs4_has_persistent_session(clp)) { |
1390 | *p = cpu_to_be32(NFS4_CREATE_GUARDED); | |
1391 | encode_attrs(xdr, arg->u.attrs, arg->server); | |
1392 | } else { | |
1393 | struct iattr dummy; | |
1394 | ||
1395 | *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE4_1); | |
1396 | encode_nfs4_verifier(xdr, &arg->u.verifier); | |
1397 | dummy.ia_valid = 0; | |
1398 | encode_attrs(xdr, &dummy, arg->server); | |
1399 | } | |
1400 | } else { | |
1401 | *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE); | |
1402 | encode_nfs4_verifier(xdr, &arg->u.verifier); | |
1403 | } | |
1da177e4 LT |
1404 | } |
1405 | } | |
1406 | ||
1407 | static void encode_opentype(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1408 | { | |
8687b63a | 1409 | __be32 *p; |
1da177e4 | 1410 | |
13c65ce9 | 1411 | p = reserve_space(xdr, 4); |
1da177e4 | 1412 | switch (arg->open_flags & O_CREAT) { |
05d564fe | 1413 | case 0: |
34558513 | 1414 | *p = cpu_to_be32(NFS4_OPEN_NOCREATE); |
05d564fe AA |
1415 | break; |
1416 | default: | |
1417 | BUG_ON(arg->claim != NFS4_OPEN_CLAIM_NULL); | |
34558513 | 1418 | *p = cpu_to_be32(NFS4_OPEN_CREATE); |
05d564fe | 1419 | encode_createmode(xdr, arg); |
1da177e4 LT |
1420 | } |
1421 | } | |
1422 | ||
bd7bf9d5 | 1423 | static inline void encode_delegation_type(struct xdr_stream *xdr, fmode_t delegation_type) |
1da177e4 | 1424 | { |
8687b63a | 1425 | __be32 *p; |
1da177e4 | 1426 | |
13c65ce9 | 1427 | p = reserve_space(xdr, 4); |
1da177e4 | 1428 | switch (delegation_type) { |
05d564fe | 1429 | case 0: |
34558513 | 1430 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_NONE); |
05d564fe AA |
1431 | break; |
1432 | case FMODE_READ: | |
34558513 | 1433 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_READ); |
05d564fe AA |
1434 | break; |
1435 | case FMODE_WRITE|FMODE_READ: | |
34558513 | 1436 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_WRITE); |
05d564fe AA |
1437 | break; |
1438 | default: | |
1439 | BUG(); | |
1da177e4 LT |
1440 | } |
1441 | } | |
1442 | ||
1443 | static inline void encode_claim_null(struct xdr_stream *xdr, const struct qstr *name) | |
1444 | { | |
8687b63a | 1445 | __be32 *p; |
1da177e4 | 1446 | |
13c65ce9 | 1447 | p = reserve_space(xdr, 4); |
34558513 | 1448 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_NULL); |
1da177e4 LT |
1449 | encode_string(xdr, name->len, name->name); |
1450 | } | |
1451 | ||
bd7bf9d5 | 1452 | static inline void encode_claim_previous(struct xdr_stream *xdr, fmode_t type) |
1da177e4 | 1453 | { |
8687b63a | 1454 | __be32 *p; |
1da177e4 | 1455 | |
13c65ce9 | 1456 | p = reserve_space(xdr, 4); |
34558513 | 1457 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_PREVIOUS); |
1da177e4 LT |
1458 | encode_delegation_type(xdr, type); |
1459 | } | |
1460 | ||
1461 | static inline void encode_claim_delegate_cur(struct xdr_stream *xdr, const struct qstr *name, const nfs4_stateid *stateid) | |
1462 | { | |
8687b63a | 1463 | __be32 *p; |
1da177e4 | 1464 | |
ea9d23f5 TM |
1465 | p = reserve_space(xdr, 4); |
1466 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_DELEGATE_CUR); | |
1467 | encode_nfs4_stateid(xdr, stateid); | |
1da177e4 LT |
1468 | encode_string(xdr, name->len, name->name); |
1469 | } | |
1470 | ||
cf8cdbe5 | 1471 | static void encode_open(struct xdr_stream *xdr, const struct nfs_openargs *arg, struct compound_hdr *hdr) |
1da177e4 LT |
1472 | { |
1473 | encode_openhdr(xdr, arg); | |
1474 | encode_opentype(xdr, arg); | |
1475 | switch (arg->claim) { | |
05d564fe AA |
1476 | case NFS4_OPEN_CLAIM_NULL: |
1477 | encode_claim_null(xdr, arg->name); | |
1478 | break; | |
1479 | case NFS4_OPEN_CLAIM_PREVIOUS: | |
1480 | encode_claim_previous(xdr, arg->u.delegation_type); | |
1481 | break; | |
1482 | case NFS4_OPEN_CLAIM_DELEGATE_CUR: | |
1483 | encode_claim_delegate_cur(xdr, arg->name, &arg->u.delegation); | |
1484 | break; | |
1485 | default: | |
1486 | BUG(); | |
1da177e4 | 1487 | } |
d017931c | 1488 | hdr->nops++; |
dadf0c27 | 1489 | hdr->replen += decode_open_maxsz; |
1da177e4 LT |
1490 | } |
1491 | ||
cf8cdbe5 | 1492 | static void encode_open_confirm(struct xdr_stream *xdr, const struct nfs_open_confirmargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1493 | { |
8687b63a | 1494 | __be32 *p; |
1da177e4 | 1495 | |
ea9d23f5 TM |
1496 | p = reserve_space(xdr, 4); |
1497 | *p = cpu_to_be32(OP_OPEN_CONFIRM); | |
1498 | encode_nfs4_stateid(xdr, arg->stateid); | |
1499 | p = reserve_space(xdr, 4); | |
34558513 | 1500 | *p = cpu_to_be32(arg->seqid->sequence->counter); |
d017931c | 1501 | hdr->nops++; |
dadf0c27 | 1502 | hdr->replen += decode_open_confirm_maxsz; |
1da177e4 LT |
1503 | } |
1504 | ||
cf8cdbe5 | 1505 | static void encode_open_downgrade(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1506 | { |
8687b63a | 1507 | __be32 *p; |
1da177e4 | 1508 | |
ea9d23f5 TM |
1509 | p = reserve_space(xdr, 4); |
1510 | *p = cpu_to_be32(OP_OPEN_DOWNGRADE); | |
1511 | encode_nfs4_stateid(xdr, arg->stateid); | |
1512 | p = reserve_space(xdr, 4); | |
34558513 | 1513 | *p = cpu_to_be32(arg->seqid->sequence->counter); |
dc0b027d | 1514 | encode_share_access(xdr, arg->fmode); |
d017931c | 1515 | hdr->nops++; |
dadf0c27 | 1516 | hdr->replen += decode_open_downgrade_maxsz; |
1da177e4 LT |
1517 | } |
1518 | ||
cf8cdbe5 | 1519 | static void |
d017931c | 1520 | encode_putfh(struct xdr_stream *xdr, const struct nfs_fh *fh, struct compound_hdr *hdr) |
1da177e4 | 1521 | { |
8687b63a | 1522 | __be32 *p; |
1da177e4 | 1523 | |
6fdfb0bc TM |
1524 | p = reserve_space(xdr, 4); |
1525 | *p = cpu_to_be32(OP_PUTFH); | |
1526 | encode_string(xdr, fh->size, fh->data); | |
d017931c | 1527 | hdr->nops++; |
dadf0c27 | 1528 | hdr->replen += decode_putfh_maxsz; |
1da177e4 LT |
1529 | } |
1530 | ||
cf8cdbe5 | 1531 | static void encode_putrootfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1532 | { |
05d564fe | 1533 | __be32 *p; |
6c0195a4 | 1534 | |
13c65ce9 | 1535 | p = reserve_space(xdr, 4); |
34558513 | 1536 | *p = cpu_to_be32(OP_PUTROOTFH); |
d017931c | 1537 | hdr->nops++; |
dadf0c27 | 1538 | hdr->replen += decode_putrootfh_maxsz; |
1da177e4 LT |
1539 | } |
1540 | ||
d0b496d2 | 1541 | static void encode_open_stateid(struct xdr_stream *xdr, const struct nfs_open_context *ctx, const struct nfs_lock_context *l_ctx, int zero_seqid) |
1da177e4 | 1542 | { |
1da177e4 | 1543 | nfs4_stateid stateid; |
1da177e4 | 1544 | |
1da177e4 | 1545 | if (ctx->state != NULL) { |
1e3987c3 | 1546 | nfs4_select_rw_stateid(&stateid, ctx->state, l_ctx->lockowner, l_ctx->pid); |
89d1ea65 | 1547 | if (zero_seqid) |
2d2f24ad | 1548 | stateid.seqid = 0; |
ea9d23f5 | 1549 | encode_nfs4_stateid(xdr, &stateid); |
1da177e4 | 1550 | } else |
ea9d23f5 | 1551 | encode_nfs4_stateid(xdr, &zero_stateid); |
1da177e4 LT |
1552 | } |
1553 | ||
cf8cdbe5 | 1554 | static void encode_read(struct xdr_stream *xdr, const struct nfs_readargs *args, struct compound_hdr *hdr) |
1da177e4 | 1555 | { |
8687b63a | 1556 | __be32 *p; |
1da177e4 | 1557 | |
13c65ce9 | 1558 | p = reserve_space(xdr, 4); |
34558513 | 1559 | *p = cpu_to_be32(OP_READ); |
1da177e4 | 1560 | |
d0b496d2 | 1561 | encode_open_stateid(xdr, args->context, args->lock_context, |
89d1ea65 | 1562 | hdr->minorversion); |
1da177e4 | 1563 | |
13c65ce9 | 1564 | p = reserve_space(xdr, 12); |
b95be5a9 | 1565 | p = xdr_encode_hyper(p, args->offset); |
34558513 | 1566 | *p = cpu_to_be32(args->count); |
d017931c | 1567 | hdr->nops++; |
dadf0c27 | 1568 | hdr->replen += decode_read_maxsz; |
1da177e4 LT |
1569 | } |
1570 | ||
cf8cdbe5 | 1571 | static void encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg *readdir, struct rpc_rqst *req, struct compound_hdr *hdr) |
1da177e4 | 1572 | { |
28331a46 TM |
1573 | uint32_t attrs[2] = { |
1574 | FATTR4_WORD0_RDATTR_ERROR, | |
1575 | FATTR4_WORD1_MOUNTED_ON_FILEID, | |
1576 | }; | |
6f7a35bd | 1577 | uint32_t dircount = readdir->count >> 1; |
8687b63a | 1578 | __be32 *p; |
1da177e4 | 1579 | |
82f2e547 BS |
1580 | if (readdir->plus) { |
1581 | attrs[0] |= FATTR4_WORD0_TYPE|FATTR4_WORD0_CHANGE|FATTR4_WORD0_SIZE| | |
28331a46 | 1582 | FATTR4_WORD0_FSID|FATTR4_WORD0_FILEHANDLE|FATTR4_WORD0_FILEID; |
82f2e547 BS |
1583 | attrs[1] |= FATTR4_WORD1_MODE|FATTR4_WORD1_NUMLINKS|FATTR4_WORD1_OWNER| |
1584 | FATTR4_WORD1_OWNER_GROUP|FATTR4_WORD1_RAWDEV| | |
1585 | FATTR4_WORD1_SPACE_USED|FATTR4_WORD1_TIME_ACCESS| | |
1586 | FATTR4_WORD1_TIME_METADATA|FATTR4_WORD1_TIME_MODIFY; | |
6f7a35bd | 1587 | dircount >>= 1; |
82f2e547 | 1588 | } |
28331a46 TM |
1589 | /* Use mounted_on_fileid only if the server supports it */ |
1590 | if (!(readdir->bitmask[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) | |
1591 | attrs[0] |= FATTR4_WORD0_FILEID; | |
82f2e547 | 1592 | |
13c65ce9 | 1593 | p = reserve_space(xdr, 12+NFS4_VERIFIER_SIZE+20); |
e75bc1c8 | 1594 | *p++ = cpu_to_be32(OP_READDIR); |
b95be5a9 | 1595 | p = xdr_encode_hyper(p, readdir->cookie); |
93f0cf25 | 1596 | p = xdr_encode_opaque_fixed(p, readdir->verifier.data, NFS4_VERIFIER_SIZE); |
6f7a35bd | 1597 | *p++ = cpu_to_be32(dircount); |
e75bc1c8 BH |
1598 | *p++ = cpu_to_be32(readdir->count); |
1599 | *p++ = cpu_to_be32(2); | |
82f2e547 | 1600 | |
e75bc1c8 | 1601 | *p++ = cpu_to_be32(attrs[0] & readdir->bitmask[0]); |
34558513 | 1602 | *p = cpu_to_be32(attrs[1] & readdir->bitmask[1]); |
d017931c | 1603 | hdr->nops++; |
dadf0c27 | 1604 | hdr->replen += decode_readdir_maxsz; |
44109241 FI |
1605 | dprintk("%s: cookie = %Lu, verifier = %08x:%08x, bitmap = %08x:%08x\n", |
1606 | __func__, | |
eadf4598 TM |
1607 | (unsigned long long)readdir->cookie, |
1608 | ((u32 *)readdir->verifier.data)[0], | |
1609 | ((u32 *)readdir->verifier.data)[1], | |
1610 | attrs[0] & readdir->bitmask[0], | |
1611 | attrs[1] & readdir->bitmask[1]); | |
1da177e4 LT |
1612 | } |
1613 | ||
cf8cdbe5 | 1614 | static void encode_readlink(struct xdr_stream *xdr, const struct nfs4_readlink *readlink, struct rpc_rqst *req, struct compound_hdr *hdr) |
1da177e4 | 1615 | { |
8687b63a | 1616 | __be32 *p; |
1da177e4 | 1617 | |
13c65ce9 | 1618 | p = reserve_space(xdr, 4); |
34558513 | 1619 | *p = cpu_to_be32(OP_READLINK); |
d017931c | 1620 | hdr->nops++; |
dadf0c27 | 1621 | hdr->replen += decode_readlink_maxsz; |
1da177e4 LT |
1622 | } |
1623 | ||
cf8cdbe5 | 1624 | static void encode_remove(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1625 | { |
8687b63a | 1626 | __be32 *p; |
1da177e4 | 1627 | |
6fdfb0bc TM |
1628 | p = reserve_space(xdr, 4); |
1629 | *p = cpu_to_be32(OP_REMOVE); | |
1630 | encode_string(xdr, name->len, name->name); | |
d017931c | 1631 | hdr->nops++; |
dadf0c27 | 1632 | hdr->replen += decode_remove_maxsz; |
1da177e4 LT |
1633 | } |
1634 | ||
cf8cdbe5 | 1635 | static void encode_rename(struct xdr_stream *xdr, const struct qstr *oldname, const struct qstr *newname, struct compound_hdr *hdr) |
1da177e4 | 1636 | { |
8687b63a | 1637 | __be32 *p; |
1da177e4 | 1638 | |
811652bd BH |
1639 | p = reserve_space(xdr, 4); |
1640 | *p = cpu_to_be32(OP_RENAME); | |
1641 | encode_string(xdr, oldname->len, oldname->name); | |
1642 | encode_string(xdr, newname->len, newname->name); | |
d017931c | 1643 | hdr->nops++; |
dadf0c27 | 1644 | hdr->replen += decode_rename_maxsz; |
1da177e4 LT |
1645 | } |
1646 | ||
bb4dae5e CL |
1647 | static void encode_renew(struct xdr_stream *xdr, clientid4 clid, |
1648 | struct compound_hdr *hdr) | |
1da177e4 | 1649 | { |
8687b63a | 1650 | __be32 *p; |
1da177e4 | 1651 | |
13c65ce9 | 1652 | p = reserve_space(xdr, 12); |
e75bc1c8 | 1653 | *p++ = cpu_to_be32(OP_RENEW); |
bb4dae5e | 1654 | xdr_encode_hyper(p, clid); |
d017931c | 1655 | hdr->nops++; |
dadf0c27 | 1656 | hdr->replen += decode_renew_maxsz; |
1da177e4 LT |
1657 | } |
1658 | ||
cf8cdbe5 | 1659 | static void |
d017931c | 1660 | encode_restorefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
56ae19f3 | 1661 | { |
8687b63a | 1662 | __be32 *p; |
56ae19f3 | 1663 | |
13c65ce9 | 1664 | p = reserve_space(xdr, 4); |
34558513 | 1665 | *p = cpu_to_be32(OP_RESTOREFH); |
d017931c | 1666 | hdr->nops++; |
dadf0c27 | 1667 | hdr->replen += decode_restorefh_maxsz; |
56ae19f3 TM |
1668 | } |
1669 | ||
9f06c719 | 1670 | static void |
d017931c | 1671 | encode_setacl(struct xdr_stream *xdr, struct nfs_setaclargs *arg, struct compound_hdr *hdr) |
23ec6965 | 1672 | { |
8687b63a | 1673 | __be32 *p; |
23ec6965 | 1674 | |
ea9d23f5 TM |
1675 | p = reserve_space(xdr, 4); |
1676 | *p = cpu_to_be32(OP_SETATTR); | |
1677 | encode_nfs4_stateid(xdr, &zero_stateid); | |
13c65ce9 | 1678 | p = reserve_space(xdr, 2*4); |
e75bc1c8 | 1679 | *p++ = cpu_to_be32(1); |
34558513 | 1680 | *p = cpu_to_be32(FATTR4_WORD0_ACL); |
9f06c719 | 1681 | BUG_ON(arg->acl_len % 4); |
13c65ce9 | 1682 | p = reserve_space(xdr, 4); |
34558513 | 1683 | *p = cpu_to_be32(arg->acl_len); |
23ec6965 | 1684 | xdr_write_pages(xdr, arg->acl_pages, arg->acl_pgbase, arg->acl_len); |
d017931c | 1685 | hdr->nops++; |
dadf0c27 | 1686 | hdr->replen += decode_setacl_maxsz; |
23ec6965 BF |
1687 | } |
1688 | ||
cf8cdbe5 | 1689 | static void |
d017931c | 1690 | encode_savefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1691 | { |
8687b63a | 1692 | __be32 *p; |
1da177e4 | 1693 | |
13c65ce9 | 1694 | p = reserve_space(xdr, 4); |
34558513 | 1695 | *p = cpu_to_be32(OP_SAVEFH); |
d017931c | 1696 | hdr->nops++; |
dadf0c27 | 1697 | hdr->replen += decode_savefh_maxsz; |
1da177e4 LT |
1698 | } |
1699 | ||
cf8cdbe5 | 1700 | static void encode_setattr(struct xdr_stream *xdr, const struct nfs_setattrargs *arg, const struct nfs_server *server, struct compound_hdr *hdr) |
1da177e4 | 1701 | { |
8687b63a | 1702 | __be32 *p; |
6c0195a4 | 1703 | |
ea9d23f5 TM |
1704 | p = reserve_space(xdr, 4); |
1705 | *p = cpu_to_be32(OP_SETATTR); | |
1706 | encode_nfs4_stateid(xdr, &arg->stateid); | |
d017931c | 1707 | hdr->nops++; |
dadf0c27 | 1708 | hdr->replen += decode_setattr_maxsz; |
cf8cdbe5 | 1709 | encode_attrs(xdr, arg->iap, server); |
1da177e4 LT |
1710 | } |
1711 | ||
cf8cdbe5 | 1712 | static void encode_setclientid(struct xdr_stream *xdr, const struct nfs4_setclientid *setclientid, struct compound_hdr *hdr) |
1da177e4 | 1713 | { |
8687b63a | 1714 | __be32 *p; |
1da177e4 | 1715 | |
13c65ce9 | 1716 | p = reserve_space(xdr, 4 + NFS4_VERIFIER_SIZE); |
e75bc1c8 | 1717 | *p++ = cpu_to_be32(OP_SETCLIENTID); |
34558513 | 1718 | xdr_encode_opaque_fixed(p, setclientid->sc_verifier->data, NFS4_VERIFIER_SIZE); |
1da177e4 LT |
1719 | |
1720 | encode_string(xdr, setclientid->sc_name_len, setclientid->sc_name); | |
13c65ce9 | 1721 | p = reserve_space(xdr, 4); |
34558513 | 1722 | *p = cpu_to_be32(setclientid->sc_prog); |
1da177e4 LT |
1723 | encode_string(xdr, setclientid->sc_netid_len, setclientid->sc_netid); |
1724 | encode_string(xdr, setclientid->sc_uaddr_len, setclientid->sc_uaddr); | |
13c65ce9 | 1725 | p = reserve_space(xdr, 4); |
34558513 | 1726 | *p = cpu_to_be32(setclientid->sc_cb_ident); |
d017931c | 1727 | hdr->nops++; |
dadf0c27 | 1728 | hdr->replen += decode_setclientid_maxsz; |
1da177e4 LT |
1729 | } |
1730 | ||
bb8b27e5 | 1731 | static void encode_setclientid_confirm(struct xdr_stream *xdr, const struct nfs4_setclientid_res *arg, struct compound_hdr *hdr) |
1da177e4 | 1732 | { |
05d564fe | 1733 | __be32 *p; |
1da177e4 | 1734 | |
13c65ce9 | 1735 | p = reserve_space(xdr, 12 + NFS4_VERIFIER_SIZE); |
e75bc1c8 | 1736 | *p++ = cpu_to_be32(OP_SETCLIENTID_CONFIRM); |
bb8b27e5 TM |
1737 | p = xdr_encode_hyper(p, arg->clientid); |
1738 | xdr_encode_opaque_fixed(p, arg->confirm.data, NFS4_VERIFIER_SIZE); | |
d017931c | 1739 | hdr->nops++; |
dadf0c27 | 1740 | hdr->replen += decode_setclientid_confirm_maxsz; |
1da177e4 LT |
1741 | } |
1742 | ||
cf8cdbe5 | 1743 | static void encode_write(struct xdr_stream *xdr, const struct nfs_writeargs *args, struct compound_hdr *hdr) |
1da177e4 | 1744 | { |
8687b63a | 1745 | __be32 *p; |
1da177e4 | 1746 | |
13c65ce9 | 1747 | p = reserve_space(xdr, 4); |
34558513 | 1748 | *p = cpu_to_be32(OP_WRITE); |
1da177e4 | 1749 | |
d0b496d2 | 1750 | encode_open_stateid(xdr, args->context, args->lock_context, |
89d1ea65 | 1751 | hdr->minorversion); |
1da177e4 | 1752 | |
13c65ce9 | 1753 | p = reserve_space(xdr, 16); |
b95be5a9 | 1754 | p = xdr_encode_hyper(p, args->offset); |
e75bc1c8 | 1755 | *p++ = cpu_to_be32(args->stable); |
34558513 | 1756 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1757 | |
1758 | xdr_write_pages(xdr, args->pages, args->pgbase, args->count); | |
d017931c | 1759 | hdr->nops++; |
dadf0c27 | 1760 | hdr->replen += decode_write_maxsz; |
1da177e4 LT |
1761 | } |
1762 | ||
cf8cdbe5 | 1763 | static void encode_delegreturn(struct xdr_stream *xdr, const nfs4_stateid *stateid, struct compound_hdr *hdr) |
1da177e4 | 1764 | { |
8687b63a | 1765 | __be32 *p; |
1da177e4 | 1766 | |
ea9d23f5 TM |
1767 | p = reserve_space(xdr, 4); |
1768 | *p = cpu_to_be32(OP_DELEGRETURN); | |
1769 | encode_nfs4_stateid(xdr, stateid); | |
d017931c | 1770 | hdr->nops++; |
dadf0c27 | 1771 | hdr->replen += decode_delegreturn_maxsz; |
1da177e4 | 1772 | } |
9b7b9fcc | 1773 | |
5a5ea0d4 BS |
1774 | static void encode_secinfo(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1775 | { | |
5a5ea0d4 BS |
1776 | __be32 *p; |
1777 | ||
6fdfb0bc TM |
1778 | p = reserve_space(xdr, 4); |
1779 | *p = cpu_to_be32(OP_SECINFO); | |
1780 | encode_string(xdr, name->len, name->name); | |
5a5ea0d4 BS |
1781 | hdr->nops++; |
1782 | hdr->replen += decode_secinfo_maxsz; | |
1783 | } | |
1784 | ||
99fe60d0 | 1785 | #if defined(CONFIG_NFS_V4_1) |
9b7b9fcc | 1786 | /* NFSv4.1 operations */ |
99fe60d0 BH |
1787 | static void encode_exchange_id(struct xdr_stream *xdr, |
1788 | struct nfs41_exchange_id_args *args, | |
1789 | struct compound_hdr *hdr) | |
1790 | { | |
1791 | __be32 *p; | |
db8ac8ba WAA |
1792 | char impl_name[NFS4_OPAQUE_LIMIT]; |
1793 | int len = 0; | |
99fe60d0 | 1794 | |
13c65ce9 | 1795 | p = reserve_space(xdr, 4 + sizeof(args->verifier->data)); |
e75bc1c8 | 1796 | *p++ = cpu_to_be32(OP_EXCHANGE_ID); |
34558513 | 1797 | xdr_encode_opaque_fixed(p, args->verifier->data, sizeof(args->verifier->data)); |
99fe60d0 BH |
1798 | |
1799 | encode_string(xdr, args->id_len, args->id); | |
1800 | ||
13c65ce9 | 1801 | p = reserve_space(xdr, 12); |
e75bc1c8 BH |
1802 | *p++ = cpu_to_be32(args->flags); |
1803 | *p++ = cpu_to_be32(0); /* zero length state_protect4_a */ | |
db8ac8ba WAA |
1804 | |
1805 | if (send_implementation_id && | |
1806 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) > 1 && | |
1807 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) | |
1808 | <= NFS4_OPAQUE_LIMIT + 1) | |
1809 | len = snprintf(impl_name, sizeof(impl_name), "%s %s %s %s", | |
1810 | utsname()->sysname, utsname()->release, | |
1811 | utsname()->version, utsname()->machine); | |
1812 | ||
1813 | if (len > 0) { | |
1814 | *p = cpu_to_be32(1); /* implementation id array length=1 */ | |
1815 | ||
1816 | encode_string(xdr, | |
1817 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) - 1, | |
1818 | CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN); | |
1819 | encode_string(xdr, len, impl_name); | |
1820 | /* just send zeros for nii_date - the date is in nii_name */ | |
1821 | p = reserve_space(xdr, 12); | |
1822 | p = xdr_encode_hyper(p, 0); | |
1823 | *p = cpu_to_be32(0); | |
1824 | } else | |
1825 | *p = cpu_to_be32(0); /* implementation id array length=0 */ | |
1826 | ||
99fe60d0 BH |
1827 | hdr->nops++; |
1828 | hdr->replen += decode_exchange_id_maxsz; | |
1829 | } | |
fc931582 AA |
1830 | |
1831 | static void encode_create_session(struct xdr_stream *xdr, | |
1832 | struct nfs41_create_session_args *args, | |
1833 | struct compound_hdr *hdr) | |
1834 | { | |
1835 | __be32 *p; | |
1836 | char machine_name[NFS4_MAX_MACHINE_NAME_LEN]; | |
1837 | uint32_t len; | |
1838 | struct nfs_client *clp = args->client; | |
8e0d46e1 MS |
1839 | u32 max_resp_sz_cached; |
1840 | ||
1841 | /* | |
1842 | * Assumes OPEN is the biggest non-idempotent compound. | |
1843 | * 2 is the verifier. | |
1844 | */ | |
1845 | max_resp_sz_cached = (NFS4_dec_open_sz + RPC_REPHDRSIZE + | |
1846 | RPC_MAX_AUTH_SIZE + 2) * XDR_UNIT; | |
fc931582 | 1847 | |
42edd698 BH |
1848 | len = scnprintf(machine_name, sizeof(machine_name), "%s", |
1849 | clp->cl_ipaddr); | |
fc931582 | 1850 | |
13c65ce9 | 1851 | p = reserve_space(xdr, 20 + 2*28 + 20 + len + 12); |
42edd698 | 1852 | *p++ = cpu_to_be32(OP_CREATE_SESSION); |
114f64b5 | 1853 | p = xdr_encode_hyper(p, clp->cl_clientid); |
e75bc1c8 BH |
1854 | *p++ = cpu_to_be32(clp->cl_seqid); /*Sequence id */ |
1855 | *p++ = cpu_to_be32(args->flags); /*flags */ | |
fc931582 | 1856 | |
fc931582 | 1857 | /* Fore Channel */ |
c9c30dd5 | 1858 | *p++ = cpu_to_be32(0); /* header padding size */ |
e75bc1c8 BH |
1859 | *p++ = cpu_to_be32(args->fc_attrs.max_rqst_sz); /* max req size */ |
1860 | *p++ = cpu_to_be32(args->fc_attrs.max_resp_sz); /* max resp size */ | |
8e0d46e1 | 1861 | *p++ = cpu_to_be32(max_resp_sz_cached); /* Max resp sz cached */ |
e75bc1c8 BH |
1862 | *p++ = cpu_to_be32(args->fc_attrs.max_ops); /* max operations */ |
1863 | *p++ = cpu_to_be32(args->fc_attrs.max_reqs); /* max requests */ | |
1864 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ | |
fc931582 AA |
1865 | |
1866 | /* Back Channel */ | |
c9c30dd5 | 1867 | *p++ = cpu_to_be32(0); /* header padding size */ |
e75bc1c8 BH |
1868 | *p++ = cpu_to_be32(args->bc_attrs.max_rqst_sz); /* max req size */ |
1869 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz); /* max resp size */ | |
1870 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz_cached); /* Max resp sz cached */ | |
1871 | *p++ = cpu_to_be32(args->bc_attrs.max_ops); /* max operations */ | |
1872 | *p++ = cpu_to_be32(args->bc_attrs.max_reqs); /* max requests */ | |
1873 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ | |
fc931582 | 1874 | |
e75bc1c8 | 1875 | *p++ = cpu_to_be32(args->cb_program); /* cb_program */ |
e75bc1c8 | 1876 | *p++ = cpu_to_be32(1); |
e75bc1c8 | 1877 | *p++ = cpu_to_be32(RPC_AUTH_UNIX); /* auth_sys */ |
fc931582 AA |
1878 | |
1879 | /* authsys_parms rfc1831 */ | |
e75bc1c8 | 1880 | *p++ = cpu_to_be32((u32)clp->cl_boot_time.tv_nsec); /* stamp */ |
811652bd | 1881 | p = xdr_encode_opaque(p, machine_name, len); |
e75bc1c8 BH |
1882 | *p++ = cpu_to_be32(0); /* UID */ |
1883 | *p++ = cpu_to_be32(0); /* GID */ | |
34558513 | 1884 | *p = cpu_to_be32(0); /* No more gids */ |
fc931582 AA |
1885 | hdr->nops++; |
1886 | hdr->replen += decode_create_session_maxsz; | |
1887 | } | |
0f3e66c6 AA |
1888 | |
1889 | static void encode_destroy_session(struct xdr_stream *xdr, | |
1890 | struct nfs4_session *session, | |
1891 | struct compound_hdr *hdr) | |
1892 | { | |
1893 | __be32 *p; | |
13c65ce9 | 1894 | p = reserve_space(xdr, 4 + NFS4_MAX_SESSIONID_LEN); |
e75bc1c8 | 1895 | *p++ = cpu_to_be32(OP_DESTROY_SESSION); |
34558513 | 1896 | xdr_encode_opaque_fixed(p, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); |
0f3e66c6 AA |
1897 | hdr->nops++; |
1898 | hdr->replen += decode_destroy_session_maxsz; | |
1899 | } | |
18019753 RL |
1900 | |
1901 | static void encode_reclaim_complete(struct xdr_stream *xdr, | |
1902 | struct nfs41_reclaim_complete_args *args, | |
1903 | struct compound_hdr *hdr) | |
1904 | { | |
1905 | __be32 *p; | |
1906 | ||
1907 | p = reserve_space(xdr, 8); | |
1908 | *p++ = cpu_to_be32(OP_RECLAIM_COMPLETE); | |
1909 | *p++ = cpu_to_be32(args->one_fs); | |
1910 | hdr->nops++; | |
1911 | hdr->replen += decode_reclaim_complete_maxsz; | |
1912 | } | |
99fe60d0 BH |
1913 | #endif /* CONFIG_NFS_V4_1 */ |
1914 | ||
9b7b9fcc AA |
1915 | static void encode_sequence(struct xdr_stream *xdr, |
1916 | const struct nfs4_sequence_args *args, | |
1917 | struct compound_hdr *hdr) | |
1918 | { | |
1919 | #if defined(CONFIG_NFS_V4_1) | |
1920 | struct nfs4_session *session = args->sa_session; | |
fc01cea9 AA |
1921 | struct nfs4_slot_table *tp; |
1922 | struct nfs4_slot *slot; | |
1923 | __be32 *p; | |
9b7b9fcc AA |
1924 | |
1925 | if (!session) | |
1926 | return; | |
1927 | ||
fc01cea9 AA |
1928 | tp = &session->fc_slot_table; |
1929 | ||
1930 | WARN_ON(args->sa_slotid == NFS4_MAX_SLOT_TABLE); | |
1931 | slot = tp->slots + args->sa_slotid; | |
1932 | ||
13c65ce9 | 1933 | p = reserve_space(xdr, 4 + NFS4_MAX_SESSIONID_LEN + 16); |
e75bc1c8 | 1934 | *p++ = cpu_to_be32(OP_SEQUENCE); |
fc01cea9 AA |
1935 | |
1936 | /* | |
1937 | * Sessionid + seqid + slotid + max slotid + cache_this | |
1938 | */ | |
1939 | dprintk("%s: sessionid=%u:%u:%u:%u seqid=%d slotid=%d " | |
1940 | "max_slotid=%d cache_this=%d\n", | |
1941 | __func__, | |
1942 | ((u32 *)session->sess_id.data)[0], | |
1943 | ((u32 *)session->sess_id.data)[1], | |
1944 | ((u32 *)session->sess_id.data)[2], | |
1945 | ((u32 *)session->sess_id.data)[3], | |
1946 | slot->seq_nr, args->sa_slotid, | |
1947 | tp->highest_used_slotid, args->sa_cache_this); | |
93f0cf25 | 1948 | p = xdr_encode_opaque_fixed(p, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); |
e75bc1c8 BH |
1949 | *p++ = cpu_to_be32(slot->seq_nr); |
1950 | *p++ = cpu_to_be32(args->sa_slotid); | |
1951 | *p++ = cpu_to_be32(tp->highest_used_slotid); | |
34558513 | 1952 | *p = cpu_to_be32(args->sa_cache_this); |
9b7b9fcc AA |
1953 | hdr->nops++; |
1954 | hdr->replen += decode_sequence_maxsz; | |
1955 | #endif /* CONFIG_NFS_V4_1 */ | |
1956 | } | |
1957 | ||
b1f69b75 | 1958 | #ifdef CONFIG_NFS_V4_1 |
7f11d8d3 AA |
1959 | static void |
1960 | encode_getdevicelist(struct xdr_stream *xdr, | |
1961 | const struct nfs4_getdevicelist_args *args, | |
1962 | struct compound_hdr *hdr) | |
1963 | { | |
1964 | __be32 *p; | |
1965 | nfs4_verifier dummy = { | |
1966 | .data = "dummmmmy", | |
1967 | }; | |
1968 | ||
1969 | p = reserve_space(xdr, 20); | |
1970 | *p++ = cpu_to_be32(OP_GETDEVICELIST); | |
1971 | *p++ = cpu_to_be32(args->layoutclass); | |
1972 | *p++ = cpu_to_be32(NFS4_PNFS_GETDEVLIST_MAXNUM); | |
1973 | xdr_encode_hyper(p, 0ULL); /* cookie */ | |
1974 | encode_nfs4_verifier(xdr, &dummy); | |
1975 | hdr->nops++; | |
1976 | hdr->replen += decode_getdevicelist_maxsz; | |
1977 | } | |
1978 | ||
b1f69b75 AA |
1979 | static void |
1980 | encode_getdeviceinfo(struct xdr_stream *xdr, | |
1981 | const struct nfs4_getdeviceinfo_args *args, | |
1982 | struct compound_hdr *hdr) | |
1983 | { | |
1984 | __be32 *p; | |
1985 | ||
1986 | p = reserve_space(xdr, 16 + NFS4_DEVICEID4_SIZE); | |
1987 | *p++ = cpu_to_be32(OP_GETDEVICEINFO); | |
1988 | p = xdr_encode_opaque_fixed(p, args->pdev->dev_id.data, | |
1989 | NFS4_DEVICEID4_SIZE); | |
1990 | *p++ = cpu_to_be32(args->pdev->layout_type); | |
1991 | *p++ = cpu_to_be32(args->pdev->pglen); /* gdia_maxcount */ | |
1992 | *p++ = cpu_to_be32(0); /* bitmap length 0 */ | |
1993 | hdr->nops++; | |
1994 | hdr->replen += decode_getdeviceinfo_maxsz; | |
1995 | } | |
1996 | ||
1997 | static void | |
1998 | encode_layoutget(struct xdr_stream *xdr, | |
1999 | const struct nfs4_layoutget_args *args, | |
2000 | struct compound_hdr *hdr) | |
2001 | { | |
b1f69b75 AA |
2002 | __be32 *p; |
2003 | ||
ea9d23f5 | 2004 | p = reserve_space(xdr, 40); |
b1f69b75 AA |
2005 | *p++ = cpu_to_be32(OP_LAYOUTGET); |
2006 | *p++ = cpu_to_be32(0); /* Signal layout available */ | |
2007 | *p++ = cpu_to_be32(args->type); | |
2008 | *p++ = cpu_to_be32(args->range.iomode); | |
2009 | p = xdr_encode_hyper(p, args->range.offset); | |
2010 | p = xdr_encode_hyper(p, args->range.length); | |
2011 | p = xdr_encode_hyper(p, args->minlength); | |
ea9d23f5 TM |
2012 | encode_nfs4_stateid(xdr, &args->stateid); |
2013 | p = reserve_space(xdr, 4); | |
b1f69b75 AA |
2014 | *p = cpu_to_be32(args->maxcount); |
2015 | ||
2016 | dprintk("%s: 1st type:0x%x iomode:%d off:%lu len:%lu mc:%d\n", | |
2017 | __func__, | |
2018 | args->type, | |
2019 | args->range.iomode, | |
2020 | (unsigned long)args->range.offset, | |
2021 | (unsigned long)args->range.length, | |
2022 | args->maxcount); | |
2023 | hdr->nops++; | |
2024 | hdr->replen += decode_layoutget_maxsz; | |
2025 | } | |
863a3c6c AA |
2026 | |
2027 | static int | |
2028 | encode_layoutcommit(struct xdr_stream *xdr, | |
ac7db726 | 2029 | struct inode *inode, |
863a3c6c AA |
2030 | const struct nfs4_layoutcommit_args *args, |
2031 | struct compound_hdr *hdr) | |
2032 | { | |
2033 | __be32 *p; | |
2034 | ||
2035 | dprintk("%s: lbw: %llu type: %d\n", __func__, args->lastbytewritten, | |
2036 | NFS_SERVER(args->inode)->pnfs_curr_ld->id); | |
2037 | ||
ea9d23f5 | 2038 | p = reserve_space(xdr, 24); |
863a3c6c AA |
2039 | *p++ = cpu_to_be32(OP_LAYOUTCOMMIT); |
2040 | /* Only whole file layouts */ | |
2041 | p = xdr_encode_hyper(p, 0); /* offset */ | |
3557c6c3 | 2042 | p = xdr_encode_hyper(p, args->lastbytewritten + 1); /* length */ |
ea9d23f5 TM |
2043 | *p = cpu_to_be32(0); /* reclaim */ |
2044 | encode_nfs4_stateid(xdr, &args->stateid); | |
2045 | p = reserve_space(xdr, 20); | |
863a3c6c AA |
2046 | *p++ = cpu_to_be32(1); /* newoffset = TRUE */ |
2047 | p = xdr_encode_hyper(p, args->lastbytewritten); | |
2048 | *p++ = cpu_to_be32(0); /* Never send time_modify_changed */ | |
2049 | *p++ = cpu_to_be32(NFS_SERVER(args->inode)->pnfs_curr_ld->id);/* type */ | |
ac7db726 BH |
2050 | |
2051 | if (NFS_SERVER(inode)->pnfs_curr_ld->encode_layoutcommit) | |
2052 | NFS_SERVER(inode)->pnfs_curr_ld->encode_layoutcommit( | |
2053 | NFS_I(inode)->layout, xdr, args); | |
2054 | else { | |
2055 | p = reserve_space(xdr, 4); | |
2056 | *p = cpu_to_be32(0); /* no layout-type payload */ | |
2057 | } | |
863a3c6c AA |
2058 | |
2059 | hdr->nops++; | |
2060 | hdr->replen += decode_layoutcommit_maxsz; | |
2061 | return 0; | |
2062 | } | |
cbe82603 BH |
2063 | |
2064 | static void | |
2065 | encode_layoutreturn(struct xdr_stream *xdr, | |
2066 | const struct nfs4_layoutreturn_args *args, | |
2067 | struct compound_hdr *hdr) | |
2068 | { | |
2069 | __be32 *p; | |
2070 | ||
2071 | p = reserve_space(xdr, 20); | |
2072 | *p++ = cpu_to_be32(OP_LAYOUTRETURN); | |
2073 | *p++ = cpu_to_be32(0); /* reclaim. always 0 for now */ | |
2074 | *p++ = cpu_to_be32(args->layout_type); | |
2075 | *p++ = cpu_to_be32(IOMODE_ANY); | |
2076 | *p = cpu_to_be32(RETURN_FILE); | |
ea9d23f5 | 2077 | p = reserve_space(xdr, 16); |
cbe82603 BH |
2078 | p = xdr_encode_hyper(p, 0); |
2079 | p = xdr_encode_hyper(p, NFS4_MAX_UINT64); | |
2080 | spin_lock(&args->inode->i_lock); | |
ea9d23f5 | 2081 | encode_nfs4_stateid(xdr, &args->stateid); |
cbe82603 | 2082 | spin_unlock(&args->inode->i_lock); |
04a55549 AA |
2083 | if (NFS_SERVER(args->inode)->pnfs_curr_ld->encode_layoutreturn) { |
2084 | NFS_SERVER(args->inode)->pnfs_curr_ld->encode_layoutreturn( | |
2085 | NFS_I(args->inode)->layout, xdr, args); | |
2086 | } else { | |
2087 | p = reserve_space(xdr, 4); | |
2088 | *p = cpu_to_be32(0); | |
2089 | } | |
cbe82603 BH |
2090 | hdr->nops++; |
2091 | hdr->replen += decode_layoutreturn_maxsz; | |
2092 | } | |
fca78d6d BS |
2093 | |
2094 | static int | |
2095 | encode_secinfo_no_name(struct xdr_stream *xdr, | |
2096 | const struct nfs41_secinfo_no_name_args *args, | |
2097 | struct compound_hdr *hdr) | |
2098 | { | |
2099 | __be32 *p; | |
2100 | p = reserve_space(xdr, 8); | |
2101 | *p++ = cpu_to_be32(OP_SECINFO_NO_NAME); | |
2102 | *p++ = cpu_to_be32(args->style); | |
2103 | hdr->nops++; | |
2104 | hdr->replen += decode_secinfo_no_name_maxsz; | |
2105 | return 0; | |
2106 | } | |
7d974794 BS |
2107 | |
2108 | static void encode_test_stateid(struct xdr_stream *xdr, | |
2109 | struct nfs41_test_stateid_args *args, | |
2110 | struct compound_hdr *hdr) | |
2111 | { | |
2112 | __be32 *p; | |
2113 | ||
ea9d23f5 | 2114 | p = reserve_space(xdr, 8); |
7d974794 | 2115 | *p++ = cpu_to_be32(OP_TEST_STATEID); |
ea9d23f5 TM |
2116 | *p = cpu_to_be32(1); |
2117 | encode_nfs4_stateid(xdr, args->stateid); | |
7d974794 BS |
2118 | hdr->nops++; |
2119 | hdr->replen += decode_test_stateid_maxsz; | |
2120 | } | |
9aeda35f BS |
2121 | |
2122 | static void encode_free_stateid(struct xdr_stream *xdr, | |
2123 | struct nfs41_free_stateid_args *args, | |
2124 | struct compound_hdr *hdr) | |
2125 | { | |
2126 | __be32 *p; | |
ea9d23f5 TM |
2127 | p = reserve_space(xdr, 4); |
2128 | *p = cpu_to_be32(OP_FREE_STATEID); | |
2129 | encode_nfs4_stateid(xdr, args->stateid); | |
9aeda35f BS |
2130 | hdr->nops++; |
2131 | hdr->replen += decode_free_stateid_maxsz; | |
2132 | } | |
b1f69b75 AA |
2133 | #endif /* CONFIG_NFS_V4_1 */ |
2134 | ||
1da177e4 LT |
2135 | /* |
2136 | * END OF "GENERIC" ENCODE ROUTINES. | |
2137 | */ | |
2138 | ||
66cc0429 BH |
2139 | static u32 nfs4_xdr_minorversion(const struct nfs4_sequence_args *args) |
2140 | { | |
2141 | #if defined(CONFIG_NFS_V4_1) | |
2142 | if (args->sa_session) | |
a4432345 | 2143 | return args->sa_session->clp->cl_mvops->minor_version; |
66cc0429 BH |
2144 | #endif /* CONFIG_NFS_V4_1 */ |
2145 | return 0; | |
2146 | } | |
2147 | ||
1da177e4 LT |
2148 | /* |
2149 | * Encode an ACCESS request | |
2150 | */ | |
9f06c719 CL |
2151 | static void nfs4_xdr_enc_access(struct rpc_rqst *req, struct xdr_stream *xdr, |
2152 | const struct nfs4_accessargs *args) | |
1da177e4 | 2153 | { |
1da177e4 | 2154 | struct compound_hdr hdr = { |
66cc0429 | 2155 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2156 | }; |
1da177e4 | 2157 | |
9f06c719 CL |
2158 | encode_compound_hdr(xdr, req, &hdr); |
2159 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2160 | encode_putfh(xdr, args->fh, &hdr); | |
2161 | encode_access(xdr, args->access, &hdr); | |
2162 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2163 | encode_nops(&hdr); |
1da177e4 LT |
2164 | } |
2165 | ||
2166 | /* | |
2167 | * Encode LOOKUP request | |
2168 | */ | |
9f06c719 CL |
2169 | static void nfs4_xdr_enc_lookup(struct rpc_rqst *req, struct xdr_stream *xdr, |
2170 | const struct nfs4_lookup_arg *args) | |
1da177e4 | 2171 | { |
1da177e4 | 2172 | struct compound_hdr hdr = { |
66cc0429 | 2173 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2174 | }; |
1da177e4 | 2175 | |
9f06c719 CL |
2176 | encode_compound_hdr(xdr, req, &hdr); |
2177 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2178 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2179 | encode_lookup(xdr, args->name, &hdr); | |
2180 | encode_getfh(xdr, &hdr); | |
2181 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2182 | encode_nops(&hdr); |
1da177e4 LT |
2183 | } |
2184 | ||
2185 | /* | |
2186 | * Encode LOOKUP_ROOT request | |
2187 | */ | |
9f06c719 CL |
2188 | static void nfs4_xdr_enc_lookup_root(struct rpc_rqst *req, |
2189 | struct xdr_stream *xdr, | |
2190 | const struct nfs4_lookup_root_arg *args) | |
1da177e4 | 2191 | { |
1da177e4 | 2192 | struct compound_hdr hdr = { |
66cc0429 | 2193 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2194 | }; |
1da177e4 | 2195 | |
9f06c719 CL |
2196 | encode_compound_hdr(xdr, req, &hdr); |
2197 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2198 | encode_putrootfh(xdr, &hdr); | |
2199 | encode_getfh(xdr, &hdr); | |
2200 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2201 | encode_nops(&hdr); |
1da177e4 LT |
2202 | } |
2203 | ||
2204 | /* | |
2205 | * Encode REMOVE request | |
2206 | */ | |
9f06c719 CL |
2207 | static void nfs4_xdr_enc_remove(struct rpc_rqst *req, struct xdr_stream *xdr, |
2208 | const struct nfs_removeargs *args) | |
1da177e4 | 2209 | { |
1da177e4 | 2210 | struct compound_hdr hdr = { |
66cc0429 | 2211 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2212 | }; |
1da177e4 | 2213 | |
9f06c719 CL |
2214 | encode_compound_hdr(xdr, req, &hdr); |
2215 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2216 | encode_putfh(xdr, args->fh, &hdr); | |
2217 | encode_remove(xdr, &args->name, &hdr); | |
2218 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2219 | encode_nops(&hdr); |
1da177e4 LT |
2220 | } |
2221 | ||
2222 | /* | |
2223 | * Encode RENAME request | |
2224 | */ | |
9f06c719 CL |
2225 | static void nfs4_xdr_enc_rename(struct rpc_rqst *req, struct xdr_stream *xdr, |
2226 | const struct nfs_renameargs *args) | |
1da177e4 | 2227 | { |
1da177e4 | 2228 | struct compound_hdr hdr = { |
66cc0429 | 2229 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2230 | }; |
1da177e4 | 2231 | |
9f06c719 CL |
2232 | encode_compound_hdr(xdr, req, &hdr); |
2233 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2234 | encode_putfh(xdr, args->old_dir, &hdr); | |
2235 | encode_savefh(xdr, &hdr); | |
2236 | encode_putfh(xdr, args->new_dir, &hdr); | |
2237 | encode_rename(xdr, args->old_name, args->new_name, &hdr); | |
2238 | encode_getfattr(xdr, args->bitmask, &hdr); | |
2239 | encode_restorefh(xdr, &hdr); | |
2240 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2241 | encode_nops(&hdr); |
1da177e4 LT |
2242 | } |
2243 | ||
2244 | /* | |
2245 | * Encode LINK request | |
2246 | */ | |
9f06c719 CL |
2247 | static void nfs4_xdr_enc_link(struct rpc_rqst *req, struct xdr_stream *xdr, |
2248 | const struct nfs4_link_arg *args) | |
1da177e4 | 2249 | { |
1da177e4 | 2250 | struct compound_hdr hdr = { |
66cc0429 | 2251 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2252 | }; |
1da177e4 | 2253 | |
9f06c719 CL |
2254 | encode_compound_hdr(xdr, req, &hdr); |
2255 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2256 | encode_putfh(xdr, args->fh, &hdr); | |
2257 | encode_savefh(xdr, &hdr); | |
2258 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2259 | encode_link(xdr, args->name, &hdr); | |
2260 | encode_getfattr(xdr, args->bitmask, &hdr); | |
2261 | encode_restorefh(xdr, &hdr); | |
2262 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2263 | encode_nops(&hdr); |
1da177e4 LT |
2264 | } |
2265 | ||
2266 | /* | |
2267 | * Encode CREATE request | |
2268 | */ | |
9f06c719 CL |
2269 | static void nfs4_xdr_enc_create(struct rpc_rqst *req, struct xdr_stream *xdr, |
2270 | const struct nfs4_create_arg *args) | |
1da177e4 | 2271 | { |
1da177e4 | 2272 | struct compound_hdr hdr = { |
66cc0429 | 2273 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2274 | }; |
1da177e4 | 2275 | |
9f06c719 CL |
2276 | encode_compound_hdr(xdr, req, &hdr); |
2277 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2278 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2279 | encode_savefh(xdr, &hdr); | |
2280 | encode_create(xdr, args, &hdr); | |
2281 | encode_getfh(xdr, &hdr); | |
2282 | encode_getfattr(xdr, args->bitmask, &hdr); | |
2283 | encode_restorefh(xdr, &hdr); | |
2284 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2285 | encode_nops(&hdr); |
1da177e4 LT |
2286 | } |
2287 | ||
2288 | /* | |
2289 | * Encode SYMLINK request | |
2290 | */ | |
9f06c719 CL |
2291 | static void nfs4_xdr_enc_symlink(struct rpc_rqst *req, struct xdr_stream *xdr, |
2292 | const struct nfs4_create_arg *args) | |
1da177e4 | 2293 | { |
9f06c719 | 2294 | nfs4_xdr_enc_create(req, xdr, args); |
1da177e4 LT |
2295 | } |
2296 | ||
2297 | /* | |
2298 | * Encode GETATTR request | |
2299 | */ | |
9f06c719 CL |
2300 | static void nfs4_xdr_enc_getattr(struct rpc_rqst *req, struct xdr_stream *xdr, |
2301 | const struct nfs4_getattr_arg *args) | |
1da177e4 | 2302 | { |
1da177e4 | 2303 | struct compound_hdr hdr = { |
66cc0429 | 2304 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2305 | }; |
1da177e4 | 2306 | |
9f06c719 CL |
2307 | encode_compound_hdr(xdr, req, &hdr); |
2308 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2309 | encode_putfh(xdr, args->fh, &hdr); | |
2310 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2311 | encode_nops(&hdr); |
1da177e4 LT |
2312 | } |
2313 | ||
2314 | /* | |
2315 | * Encode a CLOSE request | |
2316 | */ | |
9f06c719 CL |
2317 | static void nfs4_xdr_enc_close(struct rpc_rqst *req, struct xdr_stream *xdr, |
2318 | struct nfs_closeargs *args) | |
1da177e4 | 2319 | { |
05d564fe | 2320 | struct compound_hdr hdr = { |
66cc0429 | 2321 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 2322 | }; |
05d564fe | 2323 | |
9f06c719 CL |
2324 | encode_compound_hdr(xdr, req, &hdr); |
2325 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2326 | encode_putfh(xdr, args->fh, &hdr); | |
2327 | encode_close(xdr, args, &hdr); | |
2328 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2329 | encode_nops(&hdr); |
1da177e4 LT |
2330 | } |
2331 | ||
2332 | /* | |
2333 | * Encode an OPEN request | |
2334 | */ | |
9f06c719 CL |
2335 | static void nfs4_xdr_enc_open(struct rpc_rqst *req, struct xdr_stream *xdr, |
2336 | struct nfs_openargs *args) | |
1da177e4 | 2337 | { |
1da177e4 | 2338 | struct compound_hdr hdr = { |
66cc0429 | 2339 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2340 | }; |
1da177e4 | 2341 | |
9f06c719 CL |
2342 | encode_compound_hdr(xdr, req, &hdr); |
2343 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2344 | encode_putfh(xdr, args->fh, &hdr); | |
2345 | encode_savefh(xdr, &hdr); | |
2346 | encode_open(xdr, args, &hdr); | |
2347 | encode_getfh(xdr, &hdr); | |
2348 | encode_getfattr(xdr, args->bitmask, &hdr); | |
2349 | encode_restorefh(xdr, &hdr); | |
6926afd1 | 2350 | encode_getfattr(xdr, args->dir_bitmask, &hdr); |
d017931c | 2351 | encode_nops(&hdr); |
1da177e4 LT |
2352 | } |
2353 | ||
2354 | /* | |
2355 | * Encode an OPEN_CONFIRM request | |
2356 | */ | |
9f06c719 CL |
2357 | static void nfs4_xdr_enc_open_confirm(struct rpc_rqst *req, |
2358 | struct xdr_stream *xdr, | |
2359 | struct nfs_open_confirmargs *args) | |
1da177e4 | 2360 | { |
1da177e4 | 2361 | struct compound_hdr hdr = { |
d017931c | 2362 | .nops = 0, |
1da177e4 | 2363 | }; |
1da177e4 | 2364 | |
9f06c719 CL |
2365 | encode_compound_hdr(xdr, req, &hdr); |
2366 | encode_putfh(xdr, args->fh, &hdr); | |
2367 | encode_open_confirm(xdr, args, &hdr); | |
d017931c | 2368 | encode_nops(&hdr); |
1da177e4 LT |
2369 | } |
2370 | ||
2371 | /* | |
2372 | * Encode an OPEN request with no attributes. | |
2373 | */ | |
9f06c719 CL |
2374 | static void nfs4_xdr_enc_open_noattr(struct rpc_rqst *req, |
2375 | struct xdr_stream *xdr, | |
2376 | struct nfs_openargs *args) | |
1da177e4 | 2377 | { |
1da177e4 | 2378 | struct compound_hdr hdr = { |
66cc0429 | 2379 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2380 | }; |
1da177e4 | 2381 | |
9f06c719 CL |
2382 | encode_compound_hdr(xdr, req, &hdr); |
2383 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2384 | encode_putfh(xdr, args->fh, &hdr); | |
2385 | encode_open(xdr, args, &hdr); | |
2386 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2387 | encode_nops(&hdr); |
1da177e4 LT |
2388 | } |
2389 | ||
2390 | /* | |
2391 | * Encode an OPEN_DOWNGRADE request | |
2392 | */ | |
9f06c719 CL |
2393 | static void nfs4_xdr_enc_open_downgrade(struct rpc_rqst *req, |
2394 | struct xdr_stream *xdr, | |
2395 | struct nfs_closeargs *args) | |
1da177e4 | 2396 | { |
1da177e4 | 2397 | struct compound_hdr hdr = { |
66cc0429 | 2398 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2399 | }; |
1da177e4 | 2400 | |
9f06c719 CL |
2401 | encode_compound_hdr(xdr, req, &hdr); |
2402 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2403 | encode_putfh(xdr, args->fh, &hdr); | |
2404 | encode_open_downgrade(xdr, args, &hdr); | |
2405 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2406 | encode_nops(&hdr); |
1da177e4 LT |
2407 | } |
2408 | ||
2409 | /* | |
2410 | * Encode a LOCK request | |
2411 | */ | |
9f06c719 CL |
2412 | static void nfs4_xdr_enc_lock(struct rpc_rqst *req, struct xdr_stream *xdr, |
2413 | struct nfs_lock_args *args) | |
1da177e4 | 2414 | { |
1da177e4 | 2415 | struct compound_hdr hdr = { |
66cc0429 | 2416 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2417 | }; |
1da177e4 | 2418 | |
9f06c719 CL |
2419 | encode_compound_hdr(xdr, req, &hdr); |
2420 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2421 | encode_putfh(xdr, args->fh, &hdr); | |
2422 | encode_lock(xdr, args, &hdr); | |
d017931c | 2423 | encode_nops(&hdr); |
1da177e4 LT |
2424 | } |
2425 | ||
2426 | /* | |
2427 | * Encode a LOCKT request | |
2428 | */ | |
9f06c719 CL |
2429 | static void nfs4_xdr_enc_lockt(struct rpc_rqst *req, struct xdr_stream *xdr, |
2430 | struct nfs_lockt_args *args) | |
1da177e4 | 2431 | { |
1da177e4 | 2432 | struct compound_hdr hdr = { |
66cc0429 | 2433 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2434 | }; |
1da177e4 | 2435 | |
9f06c719 CL |
2436 | encode_compound_hdr(xdr, req, &hdr); |
2437 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2438 | encode_putfh(xdr, args->fh, &hdr); | |
2439 | encode_lockt(xdr, args, &hdr); | |
d017931c | 2440 | encode_nops(&hdr); |
1da177e4 LT |
2441 | } |
2442 | ||
2443 | /* | |
2444 | * Encode a LOCKU request | |
2445 | */ | |
9f06c719 CL |
2446 | static void nfs4_xdr_enc_locku(struct rpc_rqst *req, struct xdr_stream *xdr, |
2447 | struct nfs_locku_args *args) | |
1da177e4 | 2448 | { |
1da177e4 | 2449 | struct compound_hdr hdr = { |
66cc0429 | 2450 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2451 | }; |
1da177e4 | 2452 | |
9f06c719 CL |
2453 | encode_compound_hdr(xdr, req, &hdr); |
2454 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2455 | encode_putfh(xdr, args->fh, &hdr); | |
2456 | encode_locku(xdr, args, &hdr); | |
d017931c | 2457 | encode_nops(&hdr); |
1da177e4 LT |
2458 | } |
2459 | ||
9f06c719 CL |
2460 | static void nfs4_xdr_enc_release_lockowner(struct rpc_rqst *req, |
2461 | struct xdr_stream *xdr, | |
2462 | struct nfs_release_lockowner_args *args) | |
d3c7b7cc | 2463 | { |
d3c7b7cc TM |
2464 | struct compound_hdr hdr = { |
2465 | .minorversion = 0, | |
2466 | }; | |
2467 | ||
9f06c719 CL |
2468 | encode_compound_hdr(xdr, req, &hdr); |
2469 | encode_release_lockowner(xdr, &args->lock_owner, &hdr); | |
d3c7b7cc | 2470 | encode_nops(&hdr); |
d3c7b7cc TM |
2471 | } |
2472 | ||
1da177e4 LT |
2473 | /* |
2474 | * Encode a READLINK request | |
2475 | */ | |
9f06c719 CL |
2476 | static void nfs4_xdr_enc_readlink(struct rpc_rqst *req, struct xdr_stream *xdr, |
2477 | const struct nfs4_readlink *args) | |
1da177e4 | 2478 | { |
1da177e4 | 2479 | struct compound_hdr hdr = { |
66cc0429 | 2480 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2481 | }; |
1da177e4 | 2482 | |
9f06c719 CL |
2483 | encode_compound_hdr(xdr, req, &hdr); |
2484 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2485 | encode_putfh(xdr, args->fh, &hdr); | |
2486 | encode_readlink(xdr, args, req, &hdr); | |
e3a535e1 | 2487 | |
28f56694 | 2488 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, |
e3a535e1 | 2489 | args->pgbase, args->pglen); |
d017931c | 2490 | encode_nops(&hdr); |
1da177e4 LT |
2491 | } |
2492 | ||
2493 | /* | |
2494 | * Encode a READDIR request | |
2495 | */ | |
9f06c719 CL |
2496 | static void nfs4_xdr_enc_readdir(struct rpc_rqst *req, struct xdr_stream *xdr, |
2497 | const struct nfs4_readdir_arg *args) | |
1da177e4 | 2498 | { |
1da177e4 | 2499 | struct compound_hdr hdr = { |
66cc0429 | 2500 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2501 | }; |
1da177e4 | 2502 | |
9f06c719 CL |
2503 | encode_compound_hdr(xdr, req, &hdr); |
2504 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2505 | encode_putfh(xdr, args->fh, &hdr); | |
2506 | encode_readdir(xdr, args, req, &hdr); | |
d6ac02df | 2507 | |
28f56694 | 2508 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, |
d6ac02df TM |
2509 | args->pgbase, args->count); |
2510 | dprintk("%s: inlined page args = (%u, %p, %u, %u)\n", | |
28f56694 | 2511 | __func__, hdr.replen << 2, args->pages, |
d6ac02df | 2512 | args->pgbase, args->count); |
d017931c | 2513 | encode_nops(&hdr); |
1da177e4 LT |
2514 | } |
2515 | ||
2516 | /* | |
2517 | * Encode a READ request | |
2518 | */ | |
9f06c719 CL |
2519 | static void nfs4_xdr_enc_read(struct rpc_rqst *req, struct xdr_stream *xdr, |
2520 | struct nfs_readargs *args) | |
1da177e4 | 2521 | { |
1da177e4 | 2522 | struct compound_hdr hdr = { |
66cc0429 | 2523 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2524 | }; |
1da177e4 | 2525 | |
9f06c719 CL |
2526 | encode_compound_hdr(xdr, req, &hdr); |
2527 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2528 | encode_putfh(xdr, args->fh, &hdr); | |
2529 | encode_read(xdr, args, &hdr); | |
1da177e4 | 2530 | |
28f56694 | 2531 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, |
1da177e4 | 2532 | args->pages, args->pgbase, args->count); |
4f22ccc3 | 2533 | req->rq_rcv_buf.flags |= XDRBUF_READ; |
d017931c | 2534 | encode_nops(&hdr); |
1da177e4 LT |
2535 | } |
2536 | ||
2537 | /* | |
2538 | * Encode an SETATTR request | |
2539 | */ | |
9f06c719 CL |
2540 | static void nfs4_xdr_enc_setattr(struct rpc_rqst *req, struct xdr_stream *xdr, |
2541 | struct nfs_setattrargs *args) | |
1da177e4 | 2542 | { |
05d564fe | 2543 | struct compound_hdr hdr = { |
66cc0429 | 2544 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 2545 | }; |
05d564fe | 2546 | |
9f06c719 CL |
2547 | encode_compound_hdr(xdr, req, &hdr); |
2548 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2549 | encode_putfh(xdr, args->fh, &hdr); | |
2550 | encode_setattr(xdr, args, args->server, &hdr); | |
2551 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2552 | encode_nops(&hdr); |
1da177e4 LT |
2553 | } |
2554 | ||
029d105e BF |
2555 | /* |
2556 | * Encode a GETACL request | |
2557 | */ | |
9f06c719 CL |
2558 | static void nfs4_xdr_enc_getacl(struct rpc_rqst *req, struct xdr_stream *xdr, |
2559 | struct nfs_getaclargs *args) | |
029d105e | 2560 | { |
029d105e | 2561 | struct compound_hdr hdr = { |
66cc0429 | 2562 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
029d105e | 2563 | }; |
28f56694 | 2564 | uint32_t replen; |
029d105e | 2565 | |
9f06c719 CL |
2566 | encode_compound_hdr(xdr, req, &hdr); |
2567 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2568 | encode_putfh(xdr, args->fh, &hdr); | |
bf118a34 | 2569 | replen = hdr.replen + op_decode_hdr_maxsz + 1; |
9f06c719 | 2570 | encode_getattr_two(xdr, FATTR4_WORD0_ACL, 0, &hdr); |
cf8cdbe5 | 2571 | |
28f56694 | 2572 | xdr_inline_pages(&req->rq_rcv_buf, replen << 2, |
029d105e | 2573 | args->acl_pages, args->acl_pgbase, args->acl_len); |
bf118a34 | 2574 | |
d017931c | 2575 | encode_nops(&hdr); |
029d105e BF |
2576 | } |
2577 | ||
1da177e4 LT |
2578 | /* |
2579 | * Encode a WRITE request | |
2580 | */ | |
9f06c719 CL |
2581 | static void nfs4_xdr_enc_write(struct rpc_rqst *req, struct xdr_stream *xdr, |
2582 | struct nfs_writeargs *args) | |
1da177e4 | 2583 | { |
1da177e4 | 2584 | struct compound_hdr hdr = { |
66cc0429 | 2585 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2586 | }; |
1da177e4 | 2587 | |
9f06c719 CL |
2588 | encode_compound_hdr(xdr, req, &hdr); |
2589 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2590 | encode_putfh(xdr, args->fh, &hdr); | |
2591 | encode_write(xdr, args, &hdr); | |
4f22ccc3 | 2592 | req->rq_snd_buf.flags |= XDRBUF_WRITE; |
7ffd1064 FI |
2593 | if (args->bitmask) |
2594 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2595 | encode_nops(&hdr); |
1da177e4 LT |
2596 | } |
2597 | ||
2598 | /* | |
2599 | * a COMMIT request | |
2600 | */ | |
9f06c719 CL |
2601 | static void nfs4_xdr_enc_commit(struct rpc_rqst *req, struct xdr_stream *xdr, |
2602 | struct nfs_writeargs *args) | |
1da177e4 | 2603 | { |
1da177e4 | 2604 | struct compound_hdr hdr = { |
66cc0429 | 2605 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2606 | }; |
1da177e4 | 2607 | |
9f06c719 CL |
2608 | encode_compound_hdr(xdr, req, &hdr); |
2609 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2610 | encode_putfh(xdr, args->fh, &hdr); | |
2611 | encode_commit(xdr, args, &hdr); | |
988b6dce FI |
2612 | if (args->bitmask) |
2613 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2614 | encode_nops(&hdr); |
1da177e4 LT |
2615 | } |
2616 | ||
2617 | /* | |
2618 | * FSINFO request | |
2619 | */ | |
9f06c719 CL |
2620 | static void nfs4_xdr_enc_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, |
2621 | struct nfs4_fsinfo_arg *args) | |
1da177e4 | 2622 | { |
1da177e4 | 2623 | struct compound_hdr hdr = { |
66cc0429 | 2624 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2625 | }; |
1da177e4 | 2626 | |
9f06c719 CL |
2627 | encode_compound_hdr(xdr, req, &hdr); |
2628 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2629 | encode_putfh(xdr, args->fh, &hdr); | |
2630 | encode_fsinfo(xdr, args->bitmask, &hdr); | |
d017931c | 2631 | encode_nops(&hdr); |
1da177e4 LT |
2632 | } |
2633 | ||
2634 | /* | |
2635 | * a PATHCONF request | |
2636 | */ | |
9f06c719 CL |
2637 | static void nfs4_xdr_enc_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, |
2638 | const struct nfs4_pathconf_arg *args) | |
1da177e4 | 2639 | { |
1da177e4 | 2640 | struct compound_hdr hdr = { |
66cc0429 | 2641 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2642 | }; |
1da177e4 | 2643 | |
9f06c719 CL |
2644 | encode_compound_hdr(xdr, req, &hdr); |
2645 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2646 | encode_putfh(xdr, args->fh, &hdr); | |
2647 | encode_getattr_one(xdr, args->bitmask[0] & nfs4_pathconf_bitmap[0], | |
cf8cdbe5 | 2648 | &hdr); |
d017931c | 2649 | encode_nops(&hdr); |
1da177e4 LT |
2650 | } |
2651 | ||
2652 | /* | |
2653 | * a STATFS request | |
2654 | */ | |
9f06c719 CL |
2655 | static void nfs4_xdr_enc_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, |
2656 | const struct nfs4_statfs_arg *args) | |
1da177e4 | 2657 | { |
1da177e4 | 2658 | struct compound_hdr hdr = { |
66cc0429 | 2659 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2660 | }; |
1da177e4 | 2661 | |
9f06c719 CL |
2662 | encode_compound_hdr(xdr, req, &hdr); |
2663 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2664 | encode_putfh(xdr, args->fh, &hdr); | |
2665 | encode_getattr_two(xdr, args->bitmask[0] & nfs4_statfs_bitmap[0], | |
cf8cdbe5 | 2666 | args->bitmask[1] & nfs4_statfs_bitmap[1], &hdr); |
d017931c | 2667 | encode_nops(&hdr); |
1da177e4 LT |
2668 | } |
2669 | ||
2670 | /* | |
2671 | * GETATTR_BITMAP request | |
2672 | */ | |
9f06c719 CL |
2673 | static void nfs4_xdr_enc_server_caps(struct rpc_rqst *req, |
2674 | struct xdr_stream *xdr, | |
2675 | struct nfs4_server_caps_arg *args) | |
1da177e4 | 2676 | { |
1da177e4 | 2677 | struct compound_hdr hdr = { |
66cc0429 | 2678 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2679 | }; |
1da177e4 | 2680 | |
9f06c719 CL |
2681 | encode_compound_hdr(xdr, req, &hdr); |
2682 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2683 | encode_putfh(xdr, args->fhandle, &hdr); | |
2684 | encode_getattr_one(xdr, FATTR4_WORD0_SUPPORTED_ATTRS| | |
264e6351 | 2685 | FATTR4_WORD0_FH_EXPIRE_TYPE| |
cf8cdbe5 AA |
2686 | FATTR4_WORD0_LINK_SUPPORT| |
2687 | FATTR4_WORD0_SYMLINK_SUPPORT| | |
2688 | FATTR4_WORD0_ACLSUPPORT, &hdr); | |
d017931c | 2689 | encode_nops(&hdr); |
1da177e4 LT |
2690 | } |
2691 | ||
2692 | /* | |
2693 | * a RENEW request | |
2694 | */ | |
9f06c719 CL |
2695 | static void nfs4_xdr_enc_renew(struct rpc_rqst *req, struct xdr_stream *xdr, |
2696 | struct nfs_client *clp) | |
1da177e4 | 2697 | { |
1da177e4 | 2698 | struct compound_hdr hdr = { |
d017931c | 2699 | .nops = 0, |
1da177e4 LT |
2700 | }; |
2701 | ||
9f06c719 | 2702 | encode_compound_hdr(xdr, req, &hdr); |
bb4dae5e | 2703 | encode_renew(xdr, clp->cl_clientid, &hdr); |
d017931c | 2704 | encode_nops(&hdr); |
1da177e4 LT |
2705 | } |
2706 | ||
2707 | /* | |
2708 | * a SETCLIENTID request | |
2709 | */ | |
9f06c719 CL |
2710 | static void nfs4_xdr_enc_setclientid(struct rpc_rqst *req, |
2711 | struct xdr_stream *xdr, | |
2712 | struct nfs4_setclientid *sc) | |
1da177e4 | 2713 | { |
1da177e4 | 2714 | struct compound_hdr hdr = { |
d017931c | 2715 | .nops = 0, |
1da177e4 LT |
2716 | }; |
2717 | ||
9f06c719 CL |
2718 | encode_compound_hdr(xdr, req, &hdr); |
2719 | encode_setclientid(xdr, sc, &hdr); | |
d017931c | 2720 | encode_nops(&hdr); |
1da177e4 LT |
2721 | } |
2722 | ||
2723 | /* | |
2724 | * a SETCLIENTID_CONFIRM request | |
2725 | */ | |
9f06c719 CL |
2726 | static void nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, |
2727 | struct xdr_stream *xdr, | |
2728 | struct nfs4_setclientid_res *arg) | |
1da177e4 | 2729 | { |
1da177e4 | 2730 | struct compound_hdr hdr = { |
d017931c | 2731 | .nops = 0, |
1da177e4 | 2732 | }; |
dae100c2 | 2733 | const u32 lease_bitmap[3] = { FATTR4_WORD0_LEASE_TIME }; |
1da177e4 | 2734 | |
9f06c719 CL |
2735 | encode_compound_hdr(xdr, req, &hdr); |
2736 | encode_setclientid_confirm(xdr, arg, &hdr); | |
2737 | encode_putrootfh(xdr, &hdr); | |
2738 | encode_fsinfo(xdr, lease_bitmap, &hdr); | |
d017931c | 2739 | encode_nops(&hdr); |
1da177e4 LT |
2740 | } |
2741 | ||
2742 | /* | |
2743 | * DELEGRETURN request | |
2744 | */ | |
9f06c719 CL |
2745 | static void nfs4_xdr_enc_delegreturn(struct rpc_rqst *req, |
2746 | struct xdr_stream *xdr, | |
2747 | const struct nfs4_delegreturnargs *args) | |
1da177e4 | 2748 | { |
1da177e4 | 2749 | struct compound_hdr hdr = { |
66cc0429 | 2750 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2751 | }; |
1da177e4 | 2752 | |
9f06c719 CL |
2753 | encode_compound_hdr(xdr, req, &hdr); |
2754 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2755 | encode_putfh(xdr, args->fhandle, &hdr); | |
2756 | encode_delegreturn(xdr, args->stateid, &hdr); | |
2757 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2758 | encode_nops(&hdr); |
1da177e4 LT |
2759 | } |
2760 | ||
683b57b4 TM |
2761 | /* |
2762 | * Encode FS_LOCATIONS request | |
2763 | */ | |
9f06c719 CL |
2764 | static void nfs4_xdr_enc_fs_locations(struct rpc_rqst *req, |
2765 | struct xdr_stream *xdr, | |
2766 | struct nfs4_fs_locations_arg *args) | |
683b57b4 | 2767 | { |
683b57b4 | 2768 | struct compound_hdr hdr = { |
66cc0429 | 2769 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
683b57b4 | 2770 | }; |
28f56694 | 2771 | uint32_t replen; |
683b57b4 | 2772 | |
9f06c719 CL |
2773 | encode_compound_hdr(xdr, req, &hdr); |
2774 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2775 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2776 | encode_lookup(xdr, args->name, &hdr); | |
28f56694 | 2777 | replen = hdr.replen; /* get the attribute into args->page */ |
9f06c719 | 2778 | encode_fs_locations(xdr, args->bitmask, &hdr); |
cf8cdbe5 | 2779 | |
28f56694 | 2780 | xdr_inline_pages(&req->rq_rcv_buf, replen << 2, &args->page, |
683b57b4 | 2781 | 0, PAGE_SIZE); |
d017931c | 2782 | encode_nops(&hdr); |
683b57b4 TM |
2783 | } |
2784 | ||
5a5ea0d4 BS |
2785 | /* |
2786 | * Encode SECINFO request | |
2787 | */ | |
2788 | static void nfs4_xdr_enc_secinfo(struct rpc_rqst *req, | |
2789 | struct xdr_stream *xdr, | |
2790 | struct nfs4_secinfo_arg *args) | |
2791 | { | |
2792 | struct compound_hdr hdr = { | |
2793 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2794 | }; | |
2795 | ||
2796 | encode_compound_hdr(xdr, req, &hdr); | |
2797 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2798 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2799 | encode_secinfo(xdr, args->name, &hdr); | |
2800 | encode_nops(&hdr); | |
2801 | } | |
2802 | ||
99fe60d0 BH |
2803 | #if defined(CONFIG_NFS_V4_1) |
2804 | /* | |
2805 | * EXCHANGE_ID request | |
2806 | */ | |
9f06c719 CL |
2807 | static void nfs4_xdr_enc_exchange_id(struct rpc_rqst *req, |
2808 | struct xdr_stream *xdr, | |
2809 | struct nfs41_exchange_id_args *args) | |
99fe60d0 | 2810 | { |
99fe60d0 | 2811 | struct compound_hdr hdr = { |
a4432345 | 2812 | .minorversion = args->client->cl_mvops->minor_version, |
99fe60d0 BH |
2813 | }; |
2814 | ||
9f06c719 CL |
2815 | encode_compound_hdr(xdr, req, &hdr); |
2816 | encode_exchange_id(xdr, args, &hdr); | |
99fe60d0 | 2817 | encode_nops(&hdr); |
99fe60d0 | 2818 | } |
2050f0cc | 2819 | |
fc931582 AA |
2820 | /* |
2821 | * a CREATE_SESSION request | |
2822 | */ | |
9f06c719 CL |
2823 | static void nfs4_xdr_enc_create_session(struct rpc_rqst *req, |
2824 | struct xdr_stream *xdr, | |
2825 | struct nfs41_create_session_args *args) | |
fc931582 | 2826 | { |
fc931582 | 2827 | struct compound_hdr hdr = { |
a4432345 | 2828 | .minorversion = args->client->cl_mvops->minor_version, |
fc931582 AA |
2829 | }; |
2830 | ||
9f06c719 CL |
2831 | encode_compound_hdr(xdr, req, &hdr); |
2832 | encode_create_session(xdr, args, &hdr); | |
fc931582 | 2833 | encode_nops(&hdr); |
fc931582 AA |
2834 | } |
2835 | ||
0f3e66c6 AA |
2836 | /* |
2837 | * a DESTROY_SESSION request | |
2838 | */ | |
9f06c719 CL |
2839 | static void nfs4_xdr_enc_destroy_session(struct rpc_rqst *req, |
2840 | struct xdr_stream *xdr, | |
2841 | struct nfs4_session *session) | |
0f3e66c6 | 2842 | { |
0f3e66c6 | 2843 | struct compound_hdr hdr = { |
a4432345 | 2844 | .minorversion = session->clp->cl_mvops->minor_version, |
0f3e66c6 AA |
2845 | }; |
2846 | ||
9f06c719 CL |
2847 | encode_compound_hdr(xdr, req, &hdr); |
2848 | encode_destroy_session(xdr, session, &hdr); | |
0f3e66c6 | 2849 | encode_nops(&hdr); |
0f3e66c6 AA |
2850 | } |
2851 | ||
fc01cea9 AA |
2852 | /* |
2853 | * a SEQUENCE request | |
2854 | */ | |
9f06c719 CL |
2855 | static void nfs4_xdr_enc_sequence(struct rpc_rqst *req, struct xdr_stream *xdr, |
2856 | struct nfs4_sequence_args *args) | |
fc01cea9 | 2857 | { |
fc01cea9 AA |
2858 | struct compound_hdr hdr = { |
2859 | .minorversion = nfs4_xdr_minorversion(args), | |
2860 | }; | |
2861 | ||
9f06c719 CL |
2862 | encode_compound_hdr(xdr, req, &hdr); |
2863 | encode_sequence(xdr, args, &hdr); | |
fc01cea9 | 2864 | encode_nops(&hdr); |
fc01cea9 AA |
2865 | } |
2866 | ||
2050f0cc AA |
2867 | /* |
2868 | * a GET_LEASE_TIME request | |
2869 | */ | |
9f06c719 CL |
2870 | static void nfs4_xdr_enc_get_lease_time(struct rpc_rqst *req, |
2871 | struct xdr_stream *xdr, | |
2872 | struct nfs4_get_lease_time_args *args) | |
2050f0cc | 2873 | { |
2050f0cc AA |
2874 | struct compound_hdr hdr = { |
2875 | .minorversion = nfs4_xdr_minorversion(&args->la_seq_args), | |
2876 | }; | |
dae100c2 | 2877 | const u32 lease_bitmap[3] = { FATTR4_WORD0_LEASE_TIME }; |
2050f0cc | 2878 | |
9f06c719 CL |
2879 | encode_compound_hdr(xdr, req, &hdr); |
2880 | encode_sequence(xdr, &args->la_seq_args, &hdr); | |
2881 | encode_putrootfh(xdr, &hdr); | |
2882 | encode_fsinfo(xdr, lease_bitmap, &hdr); | |
2050f0cc | 2883 | encode_nops(&hdr); |
2050f0cc | 2884 | } |
18019753 RL |
2885 | |
2886 | /* | |
2887 | * a RECLAIM_COMPLETE request | |
2888 | */ | |
9f06c719 CL |
2889 | static void nfs4_xdr_enc_reclaim_complete(struct rpc_rqst *req, |
2890 | struct xdr_stream *xdr, | |
2891 | struct nfs41_reclaim_complete_args *args) | |
18019753 | 2892 | { |
18019753 RL |
2893 | struct compound_hdr hdr = { |
2894 | .minorversion = nfs4_xdr_minorversion(&args->seq_args) | |
2895 | }; | |
2896 | ||
9f06c719 CL |
2897 | encode_compound_hdr(xdr, req, &hdr); |
2898 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2899 | encode_reclaim_complete(xdr, args, &hdr); | |
18019753 | 2900 | encode_nops(&hdr); |
18019753 RL |
2901 | } |
2902 | ||
7f11d8d3 AA |
2903 | /* |
2904 | * Encode GETDEVICELIST request | |
2905 | */ | |
2906 | static void nfs4_xdr_enc_getdevicelist(struct rpc_rqst *req, | |
2907 | struct xdr_stream *xdr, | |
2908 | struct nfs4_getdevicelist_args *args) | |
2909 | { | |
2910 | struct compound_hdr hdr = { | |
2911 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2912 | }; | |
2913 | ||
2914 | encode_compound_hdr(xdr, req, &hdr); | |
2915 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2916 | encode_putfh(xdr, args->fh, &hdr); | |
2917 | encode_getdevicelist(xdr, args, &hdr); | |
2918 | encode_nops(&hdr); | |
2919 | } | |
2920 | ||
b1f69b75 AA |
2921 | /* |
2922 | * Encode GETDEVICEINFO request | |
2923 | */ | |
9f06c719 CL |
2924 | static void nfs4_xdr_enc_getdeviceinfo(struct rpc_rqst *req, |
2925 | struct xdr_stream *xdr, | |
2926 | struct nfs4_getdeviceinfo_args *args) | |
b1f69b75 | 2927 | { |
b1f69b75 AA |
2928 | struct compound_hdr hdr = { |
2929 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2930 | }; | |
2931 | ||
9f06c719 CL |
2932 | encode_compound_hdr(xdr, req, &hdr); |
2933 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2934 | encode_getdeviceinfo(xdr, args, &hdr); | |
b1f69b75 AA |
2935 | |
2936 | /* set up reply kvec. Subtract notification bitmap max size (2) | |
2937 | * so that notification bitmap is put in xdr_buf tail */ | |
2938 | xdr_inline_pages(&req->rq_rcv_buf, (hdr.replen - 2) << 2, | |
2939 | args->pdev->pages, args->pdev->pgbase, | |
2940 | args->pdev->pglen); | |
2941 | ||
2942 | encode_nops(&hdr); | |
b1f69b75 AA |
2943 | } |
2944 | ||
2945 | /* | |
2946 | * Encode LAYOUTGET request | |
2947 | */ | |
9f06c719 CL |
2948 | static void nfs4_xdr_enc_layoutget(struct rpc_rqst *req, |
2949 | struct xdr_stream *xdr, | |
2950 | struct nfs4_layoutget_args *args) | |
b1f69b75 | 2951 | { |
b1f69b75 AA |
2952 | struct compound_hdr hdr = { |
2953 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2954 | }; | |
2955 | ||
9f06c719 CL |
2956 | encode_compound_hdr(xdr, req, &hdr); |
2957 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2958 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
2959 | encode_layoutget(xdr, args, &hdr); | |
35124a09 WAA |
2960 | |
2961 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, | |
2962 | args->layout.pages, 0, args->layout.pglen); | |
2963 | ||
b1f69b75 | 2964 | encode_nops(&hdr); |
b1f69b75 | 2965 | } |
863a3c6c AA |
2966 | |
2967 | /* | |
2968 | * Encode LAYOUTCOMMIT request | |
2969 | */ | |
cbe82603 BH |
2970 | static void nfs4_xdr_enc_layoutcommit(struct rpc_rqst *req, |
2971 | struct xdr_stream *xdr, | |
2972 | struct nfs4_layoutcommit_args *args) | |
863a3c6c | 2973 | { |
ac7db726 BH |
2974 | struct nfs4_layoutcommit_data *data = |
2975 | container_of(args, struct nfs4_layoutcommit_data, args); | |
863a3c6c AA |
2976 | struct compound_hdr hdr = { |
2977 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2978 | }; | |
2979 | ||
2980 | encode_compound_hdr(xdr, req, &hdr); | |
2981 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2982 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
ac7db726 | 2983 | encode_layoutcommit(xdr, data->args.inode, args, &hdr); |
863a3c6c | 2984 | encode_getfattr(xdr, args->bitmask, &hdr); |
b1f69b75 | 2985 | encode_nops(&hdr); |
cbe82603 BH |
2986 | } |
2987 | ||
2988 | /* | |
2989 | * Encode LAYOUTRETURN request | |
2990 | */ | |
2991 | static void nfs4_xdr_enc_layoutreturn(struct rpc_rqst *req, | |
2992 | struct xdr_stream *xdr, | |
2993 | struct nfs4_layoutreturn_args *args) | |
2994 | { | |
2995 | struct compound_hdr hdr = { | |
2996 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2997 | }; | |
2998 | ||
2999 | encode_compound_hdr(xdr, req, &hdr); | |
3000 | encode_sequence(xdr, &args->seq_args, &hdr); | |
3001 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
3002 | encode_layoutreturn(xdr, args, &hdr); | |
3003 | encode_nops(&hdr); | |
b1f69b75 | 3004 | } |
fca78d6d BS |
3005 | |
3006 | /* | |
3007 | * Encode SECINFO_NO_NAME request | |
3008 | */ | |
3009 | static int nfs4_xdr_enc_secinfo_no_name(struct rpc_rqst *req, | |
3010 | struct xdr_stream *xdr, | |
3011 | struct nfs41_secinfo_no_name_args *args) | |
3012 | { | |
3013 | struct compound_hdr hdr = { | |
3014 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
3015 | }; | |
3016 | ||
3017 | encode_compound_hdr(xdr, req, &hdr); | |
3018 | encode_sequence(xdr, &args->seq_args, &hdr); | |
3019 | encode_putrootfh(xdr, &hdr); | |
3020 | encode_secinfo_no_name(xdr, args, &hdr); | |
3021 | encode_nops(&hdr); | |
3022 | return 0; | |
3023 | } | |
7d974794 BS |
3024 | |
3025 | /* | |
3026 | * Encode TEST_STATEID request | |
3027 | */ | |
3028 | static void nfs4_xdr_enc_test_stateid(struct rpc_rqst *req, | |
3029 | struct xdr_stream *xdr, | |
3030 | struct nfs41_test_stateid_args *args) | |
3031 | { | |
3032 | struct compound_hdr hdr = { | |
3033 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
3034 | }; | |
3035 | ||
3036 | encode_compound_hdr(xdr, req, &hdr); | |
3037 | encode_sequence(xdr, &args->seq_args, &hdr); | |
3038 | encode_test_stateid(xdr, args, &hdr); | |
3039 | encode_nops(&hdr); | |
3040 | } | |
9aeda35f BS |
3041 | |
3042 | /* | |
3043 | * Encode FREE_STATEID request | |
3044 | */ | |
3045 | static void nfs4_xdr_enc_free_stateid(struct rpc_rqst *req, | |
3046 | struct xdr_stream *xdr, | |
3047 | struct nfs41_free_stateid_args *args) | |
3048 | { | |
3049 | struct compound_hdr hdr = { | |
3050 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
3051 | }; | |
3052 | ||
3053 | encode_compound_hdr(xdr, req, &hdr); | |
3054 | encode_sequence(xdr, &args->seq_args, &hdr); | |
3055 | encode_free_stateid(xdr, args, &hdr); | |
3056 | encode_nops(&hdr); | |
3057 | } | |
99fe60d0 BH |
3058 | #endif /* CONFIG_NFS_V4_1 */ |
3059 | ||
686841b3 BH |
3060 | static void print_overflow_msg(const char *func, const struct xdr_stream *xdr) |
3061 | { | |
3062 | dprintk("nfs: %s: prematurely hit end of receive buffer. " | |
3063 | "Remaining buffer length is %tu words.\n", | |
3064 | func, xdr->end - xdr->p); | |
3065 | } | |
1da177e4 | 3066 | |
683b57b4 | 3067 | static int decode_opaque_inline(struct xdr_stream *xdr, unsigned int *len, char **string) |
1da177e4 | 3068 | { |
8687b63a | 3069 | __be32 *p; |
1da177e4 | 3070 | |
c0eae66e BH |
3071 | p = xdr_inline_decode(xdr, 4); |
3072 | if (unlikely(!p)) | |
3073 | goto out_overflow; | |
cccddf4f | 3074 | *len = be32_to_cpup(p); |
c0eae66e BH |
3075 | p = xdr_inline_decode(xdr, *len); |
3076 | if (unlikely(!p)) | |
3077 | goto out_overflow; | |
1da177e4 LT |
3078 | *string = (char *)p; |
3079 | return 0; | |
c0eae66e BH |
3080 | out_overflow: |
3081 | print_overflow_msg(__func__, xdr); | |
3082 | return -EIO; | |
1da177e4 LT |
3083 | } |
3084 | ||
3085 | static int decode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr) | |
3086 | { | |
8687b63a | 3087 | __be32 *p; |
1da177e4 | 3088 | |
c0eae66e BH |
3089 | p = xdr_inline_decode(xdr, 8); |
3090 | if (unlikely(!p)) | |
3091 | goto out_overflow; | |
6f723f77 | 3092 | hdr->status = be32_to_cpup(p++); |
cccddf4f | 3093 | hdr->taglen = be32_to_cpup(p); |
6c0195a4 | 3094 | |
c0eae66e BH |
3095 | p = xdr_inline_decode(xdr, hdr->taglen + 4); |
3096 | if (unlikely(!p)) | |
3097 | goto out_overflow; | |
1da177e4 LT |
3098 | hdr->tag = (char *)p; |
3099 | p += XDR_QUADLEN(hdr->taglen); | |
cccddf4f | 3100 | hdr->nops = be32_to_cpup(p); |
aadf6152 BH |
3101 | if (unlikely(hdr->nops < 1)) |
3102 | return nfs4_stat_to_errno(hdr->status); | |
1da177e4 | 3103 | return 0; |
c0eae66e BH |
3104 | out_overflow: |
3105 | print_overflow_msg(__func__, xdr); | |
3106 | return -EIO; | |
1da177e4 LT |
3107 | } |
3108 | ||
3109 | static int decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected) | |
3110 | { | |
8687b63a | 3111 | __be32 *p; |
1da177e4 LT |
3112 | uint32_t opnum; |
3113 | int32_t nfserr; | |
3114 | ||
c0eae66e BH |
3115 | p = xdr_inline_decode(xdr, 8); |
3116 | if (unlikely(!p)) | |
3117 | goto out_overflow; | |
6f723f77 | 3118 | opnum = be32_to_cpup(p++); |
1da177e4 | 3119 | if (opnum != expected) { |
fe82a183 CL |
3120 | dprintk("nfs: Server returned operation" |
3121 | " %d but we issued a request for %d\n", | |
1da177e4 LT |
3122 | opnum, expected); |
3123 | return -EIO; | |
3124 | } | |
cccddf4f | 3125 | nfserr = be32_to_cpup(p); |
1da177e4 | 3126 | if (nfserr != NFS_OK) |
856dff3d | 3127 | return nfs4_stat_to_errno(nfserr); |
1da177e4 | 3128 | return 0; |
c0eae66e BH |
3129 | out_overflow: |
3130 | print_overflow_msg(__func__, xdr); | |
3131 | return -EIO; | |
1da177e4 LT |
3132 | } |
3133 | ||
3134 | /* Dummy routine */ | |
adfa6f98 | 3135 | static int decode_ace(struct xdr_stream *xdr, void *ace, struct nfs_client *clp) |
1da177e4 | 3136 | { |
8687b63a | 3137 | __be32 *p; |
683b57b4 | 3138 | unsigned int strlen; |
1da177e4 LT |
3139 | char *str; |
3140 | ||
c0eae66e BH |
3141 | p = xdr_inline_decode(xdr, 12); |
3142 | if (likely(p)) | |
3143 | return decode_opaque_inline(xdr, &strlen, &str); | |
3144 | print_overflow_msg(__func__, xdr); | |
3145 | return -EIO; | |
1da177e4 LT |
3146 | } |
3147 | ||
3148 | static int decode_attr_bitmap(struct xdr_stream *xdr, uint32_t *bitmap) | |
3149 | { | |
8687b63a AV |
3150 | uint32_t bmlen; |
3151 | __be32 *p; | |
1da177e4 | 3152 | |
c0eae66e BH |
3153 | p = xdr_inline_decode(xdr, 4); |
3154 | if (unlikely(!p)) | |
3155 | goto out_overflow; | |
cccddf4f | 3156 | bmlen = be32_to_cpup(p); |
1da177e4 | 3157 | |
dae100c2 | 3158 | bitmap[0] = bitmap[1] = bitmap[2] = 0; |
c0eae66e BH |
3159 | p = xdr_inline_decode(xdr, (bmlen << 2)); |
3160 | if (unlikely(!p)) | |
3161 | goto out_overflow; | |
1da177e4 | 3162 | if (bmlen > 0) { |
6f723f77 | 3163 | bitmap[0] = be32_to_cpup(p++); |
dae100c2 FI |
3164 | if (bmlen > 1) { |
3165 | bitmap[1] = be32_to_cpup(p++); | |
3166 | if (bmlen > 2) | |
3167 | bitmap[2] = be32_to_cpup(p); | |
3168 | } | |
1da177e4 LT |
3169 | } |
3170 | return 0; | |
c0eae66e BH |
3171 | out_overflow: |
3172 | print_overflow_msg(__func__, xdr); | |
3173 | return -EIO; | |
1da177e4 LT |
3174 | } |
3175 | ||
8687b63a | 3176 | static inline int decode_attr_length(struct xdr_stream *xdr, uint32_t *attrlen, __be32 **savep) |
1da177e4 | 3177 | { |
8687b63a | 3178 | __be32 *p; |
1da177e4 | 3179 | |
c0eae66e BH |
3180 | p = xdr_inline_decode(xdr, 4); |
3181 | if (unlikely(!p)) | |
3182 | goto out_overflow; | |
cccddf4f | 3183 | *attrlen = be32_to_cpup(p); |
1da177e4 LT |
3184 | *savep = xdr->p; |
3185 | return 0; | |
c0eae66e BH |
3186 | out_overflow: |
3187 | print_overflow_msg(__func__, xdr); | |
3188 | return -EIO; | |
1da177e4 LT |
3189 | } |
3190 | ||
3191 | static int decode_attr_supported(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *bitmask) | |
3192 | { | |
3193 | if (likely(bitmap[0] & FATTR4_WORD0_SUPPORTED_ATTRS)) { | |
3388bff5 RB |
3194 | int ret; |
3195 | ret = decode_attr_bitmap(xdr, bitmask); | |
3196 | if (unlikely(ret < 0)) | |
3197 | return ret; | |
1da177e4 LT |
3198 | bitmap[0] &= ~FATTR4_WORD0_SUPPORTED_ATTRS; |
3199 | } else | |
dae100c2 FI |
3200 | bitmask[0] = bitmask[1] = bitmask[2] = 0; |
3201 | dprintk("%s: bitmask=%08x:%08x:%08x\n", __func__, | |
3202 | bitmask[0], bitmask[1], bitmask[2]); | |
1da177e4 LT |
3203 | return 0; |
3204 | } | |
3205 | ||
3206 | static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *type) | |
3207 | { | |
8687b63a | 3208 | __be32 *p; |
409924e4 | 3209 | int ret = 0; |
1da177e4 LT |
3210 | |
3211 | *type = 0; | |
3212 | if (unlikely(bitmap[0] & (FATTR4_WORD0_TYPE - 1U))) | |
3213 | return -EIO; | |
3214 | if (likely(bitmap[0] & FATTR4_WORD0_TYPE)) { | |
c0eae66e BH |
3215 | p = xdr_inline_decode(xdr, 4); |
3216 | if (unlikely(!p)) | |
3217 | goto out_overflow; | |
cccddf4f | 3218 | *type = be32_to_cpup(p); |
1da177e4 | 3219 | if (*type < NF4REG || *type > NF4NAMEDATTR) { |
3110ff80 | 3220 | dprintk("%s: bad type %d\n", __func__, *type); |
1da177e4 LT |
3221 | return -EIO; |
3222 | } | |
3223 | bitmap[0] &= ~FATTR4_WORD0_TYPE; | |
409924e4 | 3224 | ret = NFS_ATTR_FATTR_TYPE; |
1da177e4 | 3225 | } |
bca79478 | 3226 | dprintk("%s: type=0%o\n", __func__, nfs_type2fmt[*type]); |
409924e4 | 3227 | return ret; |
c0eae66e BH |
3228 | out_overflow: |
3229 | print_overflow_msg(__func__, xdr); | |
3230 | return -EIO; | |
1da177e4 LT |
3231 | } |
3232 | ||
264e6351 CL |
3233 | static int decode_attr_fh_expire_type(struct xdr_stream *xdr, |
3234 | uint32_t *bitmap, uint32_t *type) | |
3235 | { | |
3236 | __be32 *p; | |
3237 | ||
3238 | *type = 0; | |
3239 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FH_EXPIRE_TYPE - 1U))) | |
3240 | return -EIO; | |
3241 | if (likely(bitmap[0] & FATTR4_WORD0_FH_EXPIRE_TYPE)) { | |
3242 | p = xdr_inline_decode(xdr, 4); | |
3243 | if (unlikely(!p)) | |
3244 | goto out_overflow; | |
3245 | *type = be32_to_cpup(p); | |
3246 | bitmap[0] &= ~FATTR4_WORD0_FH_EXPIRE_TYPE; | |
3247 | } | |
3248 | dprintk("%s: expire type=0x%x\n", __func__, *type); | |
3249 | return 0; | |
3250 | out_overflow: | |
3251 | print_overflow_msg(__func__, xdr); | |
3252 | return -EIO; | |
3253 | } | |
3254 | ||
1da177e4 LT |
3255 | static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *change) |
3256 | { | |
8687b63a | 3257 | __be32 *p; |
409924e4 | 3258 | int ret = 0; |
1da177e4 LT |
3259 | |
3260 | *change = 0; | |
3261 | if (unlikely(bitmap[0] & (FATTR4_WORD0_CHANGE - 1U))) | |
3262 | return -EIO; | |
3263 | if (likely(bitmap[0] & FATTR4_WORD0_CHANGE)) { | |
c0eae66e BH |
3264 | p = xdr_inline_decode(xdr, 8); |
3265 | if (unlikely(!p)) | |
3266 | goto out_overflow; | |
cccddf4f | 3267 | xdr_decode_hyper(p, change); |
1da177e4 | 3268 | bitmap[0] &= ~FATTR4_WORD0_CHANGE; |
409924e4 | 3269 | ret = NFS_ATTR_FATTR_CHANGE; |
1da177e4 | 3270 | } |
3110ff80 | 3271 | dprintk("%s: change attribute=%Lu\n", __func__, |
1da177e4 | 3272 | (unsigned long long)*change); |
409924e4 | 3273 | return ret; |
c0eae66e BH |
3274 | out_overflow: |
3275 | print_overflow_msg(__func__, xdr); | |
3276 | return -EIO; | |
1da177e4 LT |
3277 | } |
3278 | ||
3279 | static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *size) | |
3280 | { | |
8687b63a | 3281 | __be32 *p; |
409924e4 | 3282 | int ret = 0; |
1da177e4 LT |
3283 | |
3284 | *size = 0; | |
3285 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SIZE - 1U))) | |
3286 | return -EIO; | |
3287 | if (likely(bitmap[0] & FATTR4_WORD0_SIZE)) { | |
c0eae66e BH |
3288 | p = xdr_inline_decode(xdr, 8); |
3289 | if (unlikely(!p)) | |
3290 | goto out_overflow; | |
cccddf4f | 3291 | xdr_decode_hyper(p, size); |
1da177e4 | 3292 | bitmap[0] &= ~FATTR4_WORD0_SIZE; |
409924e4 | 3293 | ret = NFS_ATTR_FATTR_SIZE; |
1da177e4 | 3294 | } |
3110ff80 | 3295 | dprintk("%s: file size=%Lu\n", __func__, (unsigned long long)*size); |
409924e4 | 3296 | return ret; |
c0eae66e BH |
3297 | out_overflow: |
3298 | print_overflow_msg(__func__, xdr); | |
3299 | return -EIO; | |
1da177e4 LT |
3300 | } |
3301 | ||
3302 | static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3303 | { | |
8687b63a | 3304 | __be32 *p; |
1da177e4 LT |
3305 | |
3306 | *res = 0; | |
3307 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LINK_SUPPORT - 1U))) | |
3308 | return -EIO; | |
3309 | if (likely(bitmap[0] & FATTR4_WORD0_LINK_SUPPORT)) { | |
c0eae66e BH |
3310 | p = xdr_inline_decode(xdr, 4); |
3311 | if (unlikely(!p)) | |
3312 | goto out_overflow; | |
cccddf4f | 3313 | *res = be32_to_cpup(p); |
1da177e4 LT |
3314 | bitmap[0] &= ~FATTR4_WORD0_LINK_SUPPORT; |
3315 | } | |
3110ff80 | 3316 | dprintk("%s: link support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 | 3317 | return 0; |
c0eae66e BH |
3318 | out_overflow: |
3319 | print_overflow_msg(__func__, xdr); | |
3320 | return -EIO; | |
1da177e4 LT |
3321 | } |
3322 | ||
3323 | static int decode_attr_symlink_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3324 | { | |
8687b63a | 3325 | __be32 *p; |
1da177e4 LT |
3326 | |
3327 | *res = 0; | |
3328 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SYMLINK_SUPPORT - 1U))) | |
3329 | return -EIO; | |
3330 | if (likely(bitmap[0] & FATTR4_WORD0_SYMLINK_SUPPORT)) { | |
c0eae66e BH |
3331 | p = xdr_inline_decode(xdr, 4); |
3332 | if (unlikely(!p)) | |
3333 | goto out_overflow; | |
cccddf4f | 3334 | *res = be32_to_cpup(p); |
1da177e4 LT |
3335 | bitmap[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT; |
3336 | } | |
3110ff80 | 3337 | dprintk("%s: symlink support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 | 3338 | return 0; |
c0eae66e BH |
3339 | out_overflow: |
3340 | print_overflow_msg(__func__, xdr); | |
3341 | return -EIO; | |
1da177e4 LT |
3342 | } |
3343 | ||
8b4bdcf8 | 3344 | static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fsid *fsid) |
1da177e4 | 3345 | { |
8687b63a | 3346 | __be32 *p; |
409924e4 | 3347 | int ret = 0; |
1da177e4 LT |
3348 | |
3349 | fsid->major = 0; | |
3350 | fsid->minor = 0; | |
3351 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FSID - 1U))) | |
3352 | return -EIO; | |
3353 | if (likely(bitmap[0] & FATTR4_WORD0_FSID)) { | |
c0eae66e BH |
3354 | p = xdr_inline_decode(xdr, 16); |
3355 | if (unlikely(!p)) | |
3356 | goto out_overflow; | |
3ceb4dbb | 3357 | p = xdr_decode_hyper(p, &fsid->major); |
cccddf4f | 3358 | xdr_decode_hyper(p, &fsid->minor); |
1da177e4 | 3359 | bitmap[0] &= ~FATTR4_WORD0_FSID; |
409924e4 | 3360 | ret = NFS_ATTR_FATTR_FSID; |
1da177e4 | 3361 | } |
3110ff80 | 3362 | dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __func__, |
1da177e4 LT |
3363 | (unsigned long long)fsid->major, |
3364 | (unsigned long long)fsid->minor); | |
409924e4 | 3365 | return ret; |
c0eae66e BH |
3366 | out_overflow: |
3367 | print_overflow_msg(__func__, xdr); | |
3368 | return -EIO; | |
1da177e4 LT |
3369 | } |
3370 | ||
3371 | static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3372 | { | |
8687b63a | 3373 | __be32 *p; |
1da177e4 LT |
3374 | |
3375 | *res = 60; | |
3376 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LEASE_TIME - 1U))) | |
3377 | return -EIO; | |
3378 | if (likely(bitmap[0] & FATTR4_WORD0_LEASE_TIME)) { | |
c0eae66e BH |
3379 | p = xdr_inline_decode(xdr, 4); |
3380 | if (unlikely(!p)) | |
3381 | goto out_overflow; | |
cccddf4f | 3382 | *res = be32_to_cpup(p); |
1da177e4 LT |
3383 | bitmap[0] &= ~FATTR4_WORD0_LEASE_TIME; |
3384 | } | |
3110ff80 | 3385 | dprintk("%s: file size=%u\n", __func__, (unsigned int)*res); |
1da177e4 | 3386 | return 0; |
c0eae66e BH |
3387 | out_overflow: |
3388 | print_overflow_msg(__func__, xdr); | |
3389 | return -EIO; | |
1da177e4 LT |
3390 | } |
3391 | ||
ee7b75fc | 3392 | static int decode_attr_error(struct xdr_stream *xdr, uint32_t *bitmap, int32_t *res) |
ae42c70a BS |
3393 | { |
3394 | __be32 *p; | |
3395 | ||
3396 | if (unlikely(bitmap[0] & (FATTR4_WORD0_RDATTR_ERROR - 1U))) | |
3397 | return -EIO; | |
3398 | if (likely(bitmap[0] & FATTR4_WORD0_RDATTR_ERROR)) { | |
3399 | p = xdr_inline_decode(xdr, 4); | |
3400 | if (unlikely(!p)) | |
3401 | goto out_overflow; | |
3402 | bitmap[0] &= ~FATTR4_WORD0_RDATTR_ERROR; | |
ee7b75fc | 3403 | *res = -be32_to_cpup(p); |
ae42c70a BS |
3404 | } |
3405 | return 0; | |
3406 | out_overflow: | |
3407 | print_overflow_msg(__func__, xdr); | |
3408 | return -EIO; | |
3409 | } | |
3410 | ||
3411 | static int decode_attr_filehandle(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fh *fh) | |
3412 | { | |
3413 | __be32 *p; | |
3414 | int len; | |
3415 | ||
7ad07353 TM |
3416 | if (fh != NULL) |
3417 | memset(fh, 0, sizeof(*fh)); | |
ae42c70a BS |
3418 | |
3419 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEHANDLE - 1U))) | |
3420 | return -EIO; | |
3421 | if (likely(bitmap[0] & FATTR4_WORD0_FILEHANDLE)) { | |
3422 | p = xdr_inline_decode(xdr, 4); | |
3423 | if (unlikely(!p)) | |
3424 | goto out_overflow; | |
3425 | len = be32_to_cpup(p); | |
3426 | if (len > NFS4_FHSIZE) | |
3427 | return -EIO; | |
ae42c70a BS |
3428 | p = xdr_inline_decode(xdr, len); |
3429 | if (unlikely(!p)) | |
3430 | goto out_overflow; | |
7ad07353 TM |
3431 | if (fh != NULL) { |
3432 | memcpy(fh->data, p, len); | |
3433 | fh->size = len; | |
3434 | } | |
ae42c70a BS |
3435 | bitmap[0] &= ~FATTR4_WORD0_FILEHANDLE; |
3436 | } | |
3437 | return 0; | |
3438 | out_overflow: | |
3439 | print_overflow_msg(__func__, xdr); | |
3440 | return -EIO; | |
3441 | } | |
3442 | ||
1da177e4 LT |
3443 | static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) |
3444 | { | |
8687b63a | 3445 | __be32 *p; |
1da177e4 LT |
3446 | |
3447 | *res = ACL4_SUPPORT_ALLOW_ACL|ACL4_SUPPORT_DENY_ACL; | |
3448 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACLSUPPORT - 1U))) | |
3449 | return -EIO; | |
3450 | if (likely(bitmap[0] & FATTR4_WORD0_ACLSUPPORT)) { | |
c0eae66e BH |
3451 | p = xdr_inline_decode(xdr, 4); |
3452 | if (unlikely(!p)) | |
3453 | goto out_overflow; | |
cccddf4f | 3454 | *res = be32_to_cpup(p); |
1da177e4 LT |
3455 | bitmap[0] &= ~FATTR4_WORD0_ACLSUPPORT; |
3456 | } | |
3110ff80 | 3457 | dprintk("%s: ACLs supported=%u\n", __func__, (unsigned int)*res); |
1da177e4 | 3458 | return 0; |
c0eae66e BH |
3459 | out_overflow: |
3460 | print_overflow_msg(__func__, xdr); | |
3461 | return -EIO; | |
1da177e4 LT |
3462 | } |
3463 | ||
3464 | static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) | |
3465 | { | |
8687b63a | 3466 | __be32 *p; |
409924e4 | 3467 | int ret = 0; |
1da177e4 LT |
3468 | |
3469 | *fileid = 0; | |
3470 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEID - 1U))) | |
3471 | return -EIO; | |
3472 | if (likely(bitmap[0] & FATTR4_WORD0_FILEID)) { | |
c0eae66e BH |
3473 | p = xdr_inline_decode(xdr, 8); |
3474 | if (unlikely(!p)) | |
3475 | goto out_overflow; | |
cccddf4f | 3476 | xdr_decode_hyper(p, fileid); |
1da177e4 | 3477 | bitmap[0] &= ~FATTR4_WORD0_FILEID; |
409924e4 | 3478 | ret = NFS_ATTR_FATTR_FILEID; |
1da177e4 | 3479 | } |
3110ff80 | 3480 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
409924e4 | 3481 | return ret; |
c0eae66e BH |
3482 | out_overflow: |
3483 | print_overflow_msg(__func__, xdr); | |
3484 | return -EIO; | |
1da177e4 LT |
3485 | } |
3486 | ||
99baf625 MN |
3487 | static int decode_attr_mounted_on_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) |
3488 | { | |
8687b63a | 3489 | __be32 *p; |
409924e4 | 3490 | int ret = 0; |
99baf625 MN |
3491 | |
3492 | *fileid = 0; | |
3493 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MOUNTED_ON_FILEID - 1U))) | |
3494 | return -EIO; | |
3495 | if (likely(bitmap[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) { | |
c0eae66e BH |
3496 | p = xdr_inline_decode(xdr, 8); |
3497 | if (unlikely(!p)) | |
3498 | goto out_overflow; | |
cccddf4f | 3499 | xdr_decode_hyper(p, fileid); |
99baf625 | 3500 | bitmap[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID; |
28331a46 | 3501 | ret = NFS_ATTR_FATTR_MOUNTED_ON_FILEID; |
99baf625 | 3502 | } |
3110ff80 | 3503 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
409924e4 | 3504 | return ret; |
c0eae66e BH |
3505 | out_overflow: |
3506 | print_overflow_msg(__func__, xdr); | |
3507 | return -EIO; | |
99baf625 MN |
3508 | } |
3509 | ||
1da177e4 LT |
3510 | static int decode_attr_files_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
3511 | { | |
8687b63a | 3512 | __be32 *p; |
1da177e4 LT |
3513 | int status = 0; |
3514 | ||
3515 | *res = 0; | |
3516 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_AVAIL - 1U))) | |
3517 | return -EIO; | |
3518 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_AVAIL)) { | |
c0eae66e BH |
3519 | p = xdr_inline_decode(xdr, 8); |
3520 | if (unlikely(!p)) | |
3521 | goto out_overflow; | |
cccddf4f | 3522 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3523 | bitmap[0] &= ~FATTR4_WORD0_FILES_AVAIL; |
3524 | } | |
3110ff80 | 3525 | dprintk("%s: files avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3526 | return status; |
c0eae66e BH |
3527 | out_overflow: |
3528 | print_overflow_msg(__func__, xdr); | |
3529 | return -EIO; | |
1da177e4 LT |
3530 | } |
3531 | ||
3532 | static int decode_attr_files_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3533 | { | |
8687b63a | 3534 | __be32 *p; |
1da177e4 LT |
3535 | int status = 0; |
3536 | ||
3537 | *res = 0; | |
3538 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_FREE - 1U))) | |
3539 | return -EIO; | |
3540 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_FREE)) { | |
c0eae66e BH |
3541 | p = xdr_inline_decode(xdr, 8); |
3542 | if (unlikely(!p)) | |
3543 | goto out_overflow; | |
cccddf4f | 3544 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3545 | bitmap[0] &= ~FATTR4_WORD0_FILES_FREE; |
3546 | } | |
3110ff80 | 3547 | dprintk("%s: files free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3548 | return status; |
c0eae66e BH |
3549 | out_overflow: |
3550 | print_overflow_msg(__func__, xdr); | |
3551 | return -EIO; | |
1da177e4 LT |
3552 | } |
3553 | ||
3554 | static int decode_attr_files_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3555 | { | |
8687b63a | 3556 | __be32 *p; |
1da177e4 LT |
3557 | int status = 0; |
3558 | ||
3559 | *res = 0; | |
3560 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_TOTAL - 1U))) | |
3561 | return -EIO; | |
3562 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_TOTAL)) { | |
c0eae66e BH |
3563 | p = xdr_inline_decode(xdr, 8); |
3564 | if (unlikely(!p)) | |
3565 | goto out_overflow; | |
cccddf4f | 3566 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3567 | bitmap[0] &= ~FATTR4_WORD0_FILES_TOTAL; |
3568 | } | |
3110ff80 | 3569 | dprintk("%s: files total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3570 | return status; |
c0eae66e BH |
3571 | out_overflow: |
3572 | print_overflow_msg(__func__, xdr); | |
3573 | return -EIO; | |
1da177e4 LT |
3574 | } |
3575 | ||
7aaa0b3b MN |
3576 | static int decode_pathname(struct xdr_stream *xdr, struct nfs4_pathname *path) |
3577 | { | |
464ad6b1 | 3578 | u32 n; |
8687b63a | 3579 | __be32 *p; |
7aaa0b3b MN |
3580 | int status = 0; |
3581 | ||
c0eae66e BH |
3582 | p = xdr_inline_decode(xdr, 4); |
3583 | if (unlikely(!p)) | |
3584 | goto out_overflow; | |
cccddf4f | 3585 | n = be32_to_cpup(p); |
33a43f28 AA |
3586 | if (n == 0) |
3587 | goto root_path; | |
02a2976c | 3588 | dprintk("pathname4: "); |
7aaa0b3b MN |
3589 | path->ncomponents = 0; |
3590 | while (path->ncomponents < n) { | |
3591 | struct nfs4_string *component = &path->components[path->ncomponents]; | |
3592 | status = decode_opaque_inline(xdr, &component->len, &component->data); | |
3593 | if (unlikely(status != 0)) | |
3594 | goto out_eio; | |
02a2976c CL |
3595 | if (unlikely(nfs_debug & NFSDBG_XDR)) |
3596 | pr_cont("%s%.*s ", | |
3597 | (path->ncomponents != n ? "/ " : ""), | |
3598 | component->len, component->data); | |
7aaa0b3b MN |
3599 | if (path->ncomponents < NFS4_PATHNAME_MAXCOMPONENTS) |
3600 | path->ncomponents++; | |
3601 | else { | |
3602 | dprintk("cannot parse %d components in path\n", n); | |
3603 | goto out_eio; | |
3604 | } | |
3605 | } | |
3606 | out: | |
7aaa0b3b | 3607 | return status; |
33a43f28 AA |
3608 | root_path: |
3609 | /* a root pathname is sent as a zero component4 */ | |
3610 | path->ncomponents = 1; | |
3611 | path->components[0].len=0; | |
3612 | path->components[0].data=NULL; | |
02a2976c | 3613 | dprintk("pathname4: /\n"); |
33a43f28 | 3614 | goto out; |
7aaa0b3b MN |
3615 | out_eio: |
3616 | dprintk(" status %d", status); | |
3617 | status = -EIO; | |
3618 | goto out; | |
c0eae66e BH |
3619 | out_overflow: |
3620 | print_overflow_msg(__func__, xdr); | |
3621 | return -EIO; | |
7aaa0b3b MN |
3622 | } |
3623 | ||
3624 | static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_fs_locations *res) | |
683b57b4 TM |
3625 | { |
3626 | int n; | |
8687b63a | 3627 | __be32 *p; |
683b57b4 TM |
3628 | int status = -EIO; |
3629 | ||
3630 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FS_LOCATIONS -1U))) | |
3631 | goto out; | |
3632 | status = 0; | |
3633 | if (unlikely(!(bitmap[0] & FATTR4_WORD0_FS_LOCATIONS))) | |
3634 | goto out; | |
8b7e3f49 TM |
3635 | status = -EIO; |
3636 | /* Ignore borken servers that return unrequested attrs */ | |
3637 | if (unlikely(res == NULL)) | |
3638 | goto out; | |
02a2976c | 3639 | dprintk("%s: fsroot:\n", __func__); |
7aaa0b3b | 3640 | status = decode_pathname(xdr, &res->fs_path); |
683b57b4 TM |
3641 | if (unlikely(status != 0)) |
3642 | goto out; | |
c0eae66e BH |
3643 | p = xdr_inline_decode(xdr, 4); |
3644 | if (unlikely(!p)) | |
3645 | goto out_overflow; | |
cccddf4f | 3646 | n = be32_to_cpup(p); |
683b57b4 TM |
3647 | if (n <= 0) |
3648 | goto out_eio; | |
3649 | res->nlocations = 0; | |
3650 | while (res->nlocations < n) { | |
464ad6b1 | 3651 | u32 m; |
7aaa0b3b | 3652 | struct nfs4_fs_location *loc = &res->locations[res->nlocations]; |
683b57b4 | 3653 | |
c0eae66e BH |
3654 | p = xdr_inline_decode(xdr, 4); |
3655 | if (unlikely(!p)) | |
3656 | goto out_overflow; | |
cccddf4f | 3657 | m = be32_to_cpup(p); |
7aaa0b3b MN |
3658 | |
3659 | loc->nservers = 0; | |
02a2976c | 3660 | dprintk("%s: servers:\n", __func__); |
7aaa0b3b MN |
3661 | while (loc->nservers < m) { |
3662 | struct nfs4_string *server = &loc->servers[loc->nservers]; | |
3663 | status = decode_opaque_inline(xdr, &server->len, &server->data); | |
3664 | if (unlikely(status != 0)) | |
3665 | goto out_eio; | |
3666 | dprintk("%s ", server->data); | |
3667 | if (loc->nservers < NFS4_FS_LOCATION_MAXSERVERS) | |
3668 | loc->nservers++; | |
3669 | else { | |
464ad6b1 CL |
3670 | unsigned int i; |
3671 | dprintk("%s: using first %u of %u servers " | |
3672 | "returned for location %u\n", | |
3110ff80 | 3673 | __func__, |
464ad6b1 CL |
3674 | NFS4_FS_LOCATION_MAXSERVERS, |
3675 | m, res->nlocations); | |
7aaa0b3b | 3676 | for (i = loc->nservers; i < m; i++) { |
2e42c3e2 | 3677 | unsigned int len; |
7aaa0b3b MN |
3678 | char *data; |
3679 | status = decode_opaque_inline(xdr, &len, &data); | |
3680 | if (unlikely(status != 0)) | |
3681 | goto out_eio; | |
3682 | } | |
3683 | } | |
3684 | } | |
3685 | status = decode_pathname(xdr, &loc->rootpath); | |
683b57b4 TM |
3686 | if (unlikely(status != 0)) |
3687 | goto out_eio; | |
7aaa0b3b | 3688 | if (res->nlocations < NFS4_FS_LOCATIONS_MAXENTRIES) |
683b57b4 TM |
3689 | res->nlocations++; |
3690 | } | |
409924e4 | 3691 | if (res->nlocations != 0) |
81934ddb | 3692 | status = NFS_ATTR_FATTR_V4_LOCATIONS; |
683b57b4 | 3693 | out: |
3110ff80 | 3694 | dprintk("%s: fs_locations done, error = %d\n", __func__, status); |
683b57b4 | 3695 | return status; |
c0eae66e BH |
3696 | out_overflow: |
3697 | print_overflow_msg(__func__, xdr); | |
683b57b4 TM |
3698 | out_eio: |
3699 | status = -EIO; | |
3700 | goto out; | |
3701 | } | |
3702 | ||
1da177e4 LT |
3703 | static int decode_attr_maxfilesize(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
3704 | { | |
8687b63a | 3705 | __be32 *p; |
1da177e4 LT |
3706 | int status = 0; |
3707 | ||
3708 | *res = 0; | |
3709 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXFILESIZE - 1U))) | |
3710 | return -EIO; | |
3711 | if (likely(bitmap[0] & FATTR4_WORD0_MAXFILESIZE)) { | |
c0eae66e BH |
3712 | p = xdr_inline_decode(xdr, 8); |
3713 | if (unlikely(!p)) | |
3714 | goto out_overflow; | |
cccddf4f | 3715 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3716 | bitmap[0] &= ~FATTR4_WORD0_MAXFILESIZE; |
3717 | } | |
3110ff80 | 3718 | dprintk("%s: maxfilesize=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3719 | return status; |
c0eae66e BH |
3720 | out_overflow: |
3721 | print_overflow_msg(__func__, xdr); | |
3722 | return -EIO; | |
1da177e4 LT |
3723 | } |
3724 | ||
3725 | static int decode_attr_maxlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxlink) | |
3726 | { | |
8687b63a | 3727 | __be32 *p; |
1da177e4 LT |
3728 | int status = 0; |
3729 | ||
3730 | *maxlink = 1; | |
3731 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXLINK - 1U))) | |
3732 | return -EIO; | |
3733 | if (likely(bitmap[0] & FATTR4_WORD0_MAXLINK)) { | |
c0eae66e BH |
3734 | p = xdr_inline_decode(xdr, 4); |
3735 | if (unlikely(!p)) | |
3736 | goto out_overflow; | |
cccddf4f | 3737 | *maxlink = be32_to_cpup(p); |
1da177e4 LT |
3738 | bitmap[0] &= ~FATTR4_WORD0_MAXLINK; |
3739 | } | |
3110ff80 | 3740 | dprintk("%s: maxlink=%u\n", __func__, *maxlink); |
1da177e4 | 3741 | return status; |
c0eae66e BH |
3742 | out_overflow: |
3743 | print_overflow_msg(__func__, xdr); | |
3744 | return -EIO; | |
1da177e4 LT |
3745 | } |
3746 | ||
3747 | static int decode_attr_maxname(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxname) | |
3748 | { | |
8687b63a | 3749 | __be32 *p; |
1da177e4 LT |
3750 | int status = 0; |
3751 | ||
3752 | *maxname = 1024; | |
3753 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXNAME - 1U))) | |
3754 | return -EIO; | |
3755 | if (likely(bitmap[0] & FATTR4_WORD0_MAXNAME)) { | |
c0eae66e BH |
3756 | p = xdr_inline_decode(xdr, 4); |
3757 | if (unlikely(!p)) | |
3758 | goto out_overflow; | |
cccddf4f | 3759 | *maxname = be32_to_cpup(p); |
1da177e4 LT |
3760 | bitmap[0] &= ~FATTR4_WORD0_MAXNAME; |
3761 | } | |
3110ff80 | 3762 | dprintk("%s: maxname=%u\n", __func__, *maxname); |
1da177e4 | 3763 | return status; |
c0eae66e BH |
3764 | out_overflow: |
3765 | print_overflow_msg(__func__, xdr); | |
3766 | return -EIO; | |
1da177e4 LT |
3767 | } |
3768 | ||
3769 | static int decode_attr_maxread(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3770 | { | |
8687b63a | 3771 | __be32 *p; |
1da177e4 LT |
3772 | int status = 0; |
3773 | ||
3774 | *res = 1024; | |
3775 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXREAD - 1U))) | |
3776 | return -EIO; | |
3777 | if (likely(bitmap[0] & FATTR4_WORD0_MAXREAD)) { | |
3778 | uint64_t maxread; | |
c0eae66e BH |
3779 | p = xdr_inline_decode(xdr, 8); |
3780 | if (unlikely(!p)) | |
3781 | goto out_overflow; | |
cccddf4f | 3782 | xdr_decode_hyper(p, &maxread); |
1da177e4 LT |
3783 | if (maxread > 0x7FFFFFFF) |
3784 | maxread = 0x7FFFFFFF; | |
3785 | *res = (uint32_t)maxread; | |
3786 | bitmap[0] &= ~FATTR4_WORD0_MAXREAD; | |
3787 | } | |
3110ff80 | 3788 | dprintk("%s: maxread=%lu\n", __func__, (unsigned long)*res); |
1da177e4 | 3789 | return status; |
c0eae66e BH |
3790 | out_overflow: |
3791 | print_overflow_msg(__func__, xdr); | |
3792 | return -EIO; | |
1da177e4 LT |
3793 | } |
3794 | ||
3795 | static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3796 | { | |
8687b63a | 3797 | __be32 *p; |
1da177e4 LT |
3798 | int status = 0; |
3799 | ||
3800 | *res = 1024; | |
3801 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXWRITE - 1U))) | |
3802 | return -EIO; | |
3803 | if (likely(bitmap[0] & FATTR4_WORD0_MAXWRITE)) { | |
3804 | uint64_t maxwrite; | |
c0eae66e BH |
3805 | p = xdr_inline_decode(xdr, 8); |
3806 | if (unlikely(!p)) | |
3807 | goto out_overflow; | |
cccddf4f | 3808 | xdr_decode_hyper(p, &maxwrite); |
1da177e4 LT |
3809 | if (maxwrite > 0x7FFFFFFF) |
3810 | maxwrite = 0x7FFFFFFF; | |
3811 | *res = (uint32_t)maxwrite; | |
3812 | bitmap[0] &= ~FATTR4_WORD0_MAXWRITE; | |
3813 | } | |
3110ff80 | 3814 | dprintk("%s: maxwrite=%lu\n", __func__, (unsigned long)*res); |
1da177e4 | 3815 | return status; |
c0eae66e BH |
3816 | out_overflow: |
3817 | print_overflow_msg(__func__, xdr); | |
3818 | return -EIO; | |
1da177e4 LT |
3819 | } |
3820 | ||
bca79478 | 3821 | static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, umode_t *mode) |
1da177e4 | 3822 | { |
bca79478 | 3823 | uint32_t tmp; |
8687b63a | 3824 | __be32 *p; |
409924e4 | 3825 | int ret = 0; |
1da177e4 LT |
3826 | |
3827 | *mode = 0; | |
3828 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MODE - 1U))) | |
3829 | return -EIO; | |
3830 | if (likely(bitmap[1] & FATTR4_WORD1_MODE)) { | |
c0eae66e BH |
3831 | p = xdr_inline_decode(xdr, 4); |
3832 | if (unlikely(!p)) | |
3833 | goto out_overflow; | |
cccddf4f | 3834 | tmp = be32_to_cpup(p); |
bca79478 | 3835 | *mode = tmp & ~S_IFMT; |
1da177e4 | 3836 | bitmap[1] &= ~FATTR4_WORD1_MODE; |
409924e4 | 3837 | ret = NFS_ATTR_FATTR_MODE; |
1da177e4 | 3838 | } |
3110ff80 | 3839 | dprintk("%s: file mode=0%o\n", __func__, (unsigned int)*mode); |
409924e4 | 3840 | return ret; |
c0eae66e BH |
3841 | out_overflow: |
3842 | print_overflow_msg(__func__, xdr); | |
3843 | return -EIO; | |
1da177e4 LT |
3844 | } |
3845 | ||
3846 | static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *nlink) | |
3847 | { | |
8687b63a | 3848 | __be32 *p; |
409924e4 | 3849 | int ret = 0; |
1da177e4 LT |
3850 | |
3851 | *nlink = 1; | |
3852 | if (unlikely(bitmap[1] & (FATTR4_WORD1_NUMLINKS - 1U))) | |
3853 | return -EIO; | |
3854 | if (likely(bitmap[1] & FATTR4_WORD1_NUMLINKS)) { | |
c0eae66e BH |
3855 | p = xdr_inline_decode(xdr, 4); |
3856 | if (unlikely(!p)) | |
3857 | goto out_overflow; | |
cccddf4f | 3858 | *nlink = be32_to_cpup(p); |
1da177e4 | 3859 | bitmap[1] &= ~FATTR4_WORD1_NUMLINKS; |
409924e4 | 3860 | ret = NFS_ATTR_FATTR_NLINK; |
1da177e4 | 3861 | } |
3110ff80 | 3862 | dprintk("%s: nlink=%u\n", __func__, (unsigned int)*nlink); |
409924e4 | 3863 | return ret; |
c0eae66e BH |
3864 | out_overflow: |
3865 | print_overflow_msg(__func__, xdr); | |
3866 | return -EIO; | |
1da177e4 LT |
3867 | } |
3868 | ||
80e52ace | 3869 | static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, |
6926afd1 TM |
3870 | const struct nfs_server *server, uint32_t *uid, |
3871 | struct nfs4_string *owner_name) | |
1da177e4 | 3872 | { |
8687b63a AV |
3873 | uint32_t len; |
3874 | __be32 *p; | |
409924e4 | 3875 | int ret = 0; |
1da177e4 LT |
3876 | |
3877 | *uid = -2; | |
3878 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER - 1U))) | |
3879 | return -EIO; | |
3880 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER)) { | |
c0eae66e BH |
3881 | p = xdr_inline_decode(xdr, 4); |
3882 | if (unlikely(!p)) | |
3883 | goto out_overflow; | |
cccddf4f | 3884 | len = be32_to_cpup(p); |
c0eae66e BH |
3885 | p = xdr_inline_decode(xdr, len); |
3886 | if (unlikely(!p)) | |
3887 | goto out_overflow; | |
6926afd1 TM |
3888 | if (owner_name != NULL) { |
3889 | owner_name->data = kmemdup(p, len, GFP_NOWAIT); | |
3890 | if (owner_name->data != NULL) { | |
3891 | owner_name->len = len; | |
3892 | ret = NFS_ATTR_FATTR_OWNER_NAME; | |
3893 | } | |
80e52ace | 3894 | } else if (len < XDR_MAX_NETOBJ) { |
e4fd72a1 | 3895 | if (nfs_map_name_to_uid(server, (char *)p, len, uid) == 0) |
409924e4 TM |
3896 | ret = NFS_ATTR_FATTR_OWNER; |
3897 | else | |
1da177e4 | 3898 | dprintk("%s: nfs_map_name_to_uid failed!\n", |
3110ff80 | 3899 | __func__); |
1da177e4 | 3900 | } else |
fe82a183 | 3901 | dprintk("%s: name too long (%u)!\n", |
3110ff80 | 3902 | __func__, len); |
1da177e4 LT |
3903 | bitmap[1] &= ~FATTR4_WORD1_OWNER; |
3904 | } | |
3110ff80 | 3905 | dprintk("%s: uid=%d\n", __func__, (int)*uid); |
409924e4 | 3906 | return ret; |
c0eae66e BH |
3907 | out_overflow: |
3908 | print_overflow_msg(__func__, xdr); | |
3909 | return -EIO; | |
1da177e4 LT |
3910 | } |
3911 | ||
80e52ace | 3912 | static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, |
6926afd1 TM |
3913 | const struct nfs_server *server, uint32_t *gid, |
3914 | struct nfs4_string *group_name) | |
1da177e4 | 3915 | { |
8687b63a AV |
3916 | uint32_t len; |
3917 | __be32 *p; | |
409924e4 | 3918 | int ret = 0; |
1da177e4 LT |
3919 | |
3920 | *gid = -2; | |
3921 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER_GROUP - 1U))) | |
3922 | return -EIO; | |
3923 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER_GROUP)) { | |
c0eae66e BH |
3924 | p = xdr_inline_decode(xdr, 4); |
3925 | if (unlikely(!p)) | |
3926 | goto out_overflow; | |
cccddf4f | 3927 | len = be32_to_cpup(p); |
c0eae66e BH |
3928 | p = xdr_inline_decode(xdr, len); |
3929 | if (unlikely(!p)) | |
3930 | goto out_overflow; | |
6926afd1 TM |
3931 | if (group_name != NULL) { |
3932 | group_name->data = kmemdup(p, len, GFP_NOWAIT); | |
3933 | if (group_name->data != NULL) { | |
3934 | group_name->len = len; | |
3935 | ret = NFS_ATTR_FATTR_GROUP_NAME; | |
3936 | } | |
80e52ace | 3937 | } else if (len < XDR_MAX_NETOBJ) { |
e4fd72a1 | 3938 | if (nfs_map_group_to_gid(server, (char *)p, len, gid) == 0) |
409924e4 TM |
3939 | ret = NFS_ATTR_FATTR_GROUP; |
3940 | else | |
1da177e4 | 3941 | dprintk("%s: nfs_map_group_to_gid failed!\n", |
3110ff80 | 3942 | __func__); |
1da177e4 | 3943 | } else |
fe82a183 | 3944 | dprintk("%s: name too long (%u)!\n", |
3110ff80 | 3945 | __func__, len); |
1da177e4 LT |
3946 | bitmap[1] &= ~FATTR4_WORD1_OWNER_GROUP; |
3947 | } | |
3110ff80 | 3948 | dprintk("%s: gid=%d\n", __func__, (int)*gid); |
409924e4 | 3949 | return ret; |
c0eae66e BH |
3950 | out_overflow: |
3951 | print_overflow_msg(__func__, xdr); | |
3952 | return -EIO; | |
1da177e4 LT |
3953 | } |
3954 | ||
3955 | static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rdev) | |
3956 | { | |
8687b63a AV |
3957 | uint32_t major = 0, minor = 0; |
3958 | __be32 *p; | |
409924e4 | 3959 | int ret = 0; |
1da177e4 LT |
3960 | |
3961 | *rdev = MKDEV(0,0); | |
3962 | if (unlikely(bitmap[1] & (FATTR4_WORD1_RAWDEV - 1U))) | |
3963 | return -EIO; | |
3964 | if (likely(bitmap[1] & FATTR4_WORD1_RAWDEV)) { | |
3965 | dev_t tmp; | |
3966 | ||
c0eae66e BH |
3967 | p = xdr_inline_decode(xdr, 8); |
3968 | if (unlikely(!p)) | |
3969 | goto out_overflow; | |
6f723f77 | 3970 | major = be32_to_cpup(p++); |
cccddf4f | 3971 | minor = be32_to_cpup(p); |
1da177e4 LT |
3972 | tmp = MKDEV(major, minor); |
3973 | if (MAJOR(tmp) == major && MINOR(tmp) == minor) | |
3974 | *rdev = tmp; | |
3975 | bitmap[1] &= ~ FATTR4_WORD1_RAWDEV; | |
409924e4 | 3976 | ret = NFS_ATTR_FATTR_RDEV; |
1da177e4 | 3977 | } |
3110ff80 | 3978 | dprintk("%s: rdev=(0x%x:0x%x)\n", __func__, major, minor); |
409924e4 | 3979 | return ret; |
c0eae66e BH |
3980 | out_overflow: |
3981 | print_overflow_msg(__func__, xdr); | |
3982 | return -EIO; | |
1da177e4 LT |
3983 | } |
3984 | ||
3985 | static int decode_attr_space_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3986 | { | |
8687b63a | 3987 | __be32 *p; |
1da177e4 LT |
3988 | int status = 0; |
3989 | ||
3990 | *res = 0; | |
3991 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_AVAIL - 1U))) | |
3992 | return -EIO; | |
3993 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_AVAIL)) { | |
c0eae66e BH |
3994 | p = xdr_inline_decode(xdr, 8); |
3995 | if (unlikely(!p)) | |
3996 | goto out_overflow; | |
cccddf4f | 3997 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3998 | bitmap[1] &= ~FATTR4_WORD1_SPACE_AVAIL; |
3999 | } | |
3110ff80 | 4000 | dprintk("%s: space avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 4001 | return status; |
c0eae66e BH |
4002 | out_overflow: |
4003 | print_overflow_msg(__func__, xdr); | |
4004 | return -EIO; | |
1da177e4 LT |
4005 | } |
4006 | ||
4007 | static int decode_attr_space_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
4008 | { | |
8687b63a | 4009 | __be32 *p; |
1da177e4 LT |
4010 | int status = 0; |
4011 | ||
4012 | *res = 0; | |
4013 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_FREE - 1U))) | |
4014 | return -EIO; | |
4015 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_FREE)) { | |
c0eae66e BH |
4016 | p = xdr_inline_decode(xdr, 8); |
4017 | if (unlikely(!p)) | |
4018 | goto out_overflow; | |
cccddf4f | 4019 | xdr_decode_hyper(p, res); |
1da177e4 LT |
4020 | bitmap[1] &= ~FATTR4_WORD1_SPACE_FREE; |
4021 | } | |
3110ff80 | 4022 | dprintk("%s: space free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 4023 | return status; |
c0eae66e BH |
4024 | out_overflow: |
4025 | print_overflow_msg(__func__, xdr); | |
4026 | return -EIO; | |
1da177e4 LT |
4027 | } |
4028 | ||
4029 | static int decode_attr_space_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
4030 | { | |
8687b63a | 4031 | __be32 *p; |
1da177e4 LT |
4032 | int status = 0; |
4033 | ||
4034 | *res = 0; | |
4035 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_TOTAL - 1U))) | |
4036 | return -EIO; | |
4037 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_TOTAL)) { | |
c0eae66e BH |
4038 | p = xdr_inline_decode(xdr, 8); |
4039 | if (unlikely(!p)) | |
4040 | goto out_overflow; | |
cccddf4f | 4041 | xdr_decode_hyper(p, res); |
1da177e4 LT |
4042 | bitmap[1] &= ~FATTR4_WORD1_SPACE_TOTAL; |
4043 | } | |
3110ff80 | 4044 | dprintk("%s: space total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 4045 | return status; |
c0eae66e BH |
4046 | out_overflow: |
4047 | print_overflow_msg(__func__, xdr); | |
4048 | return -EIO; | |
1da177e4 LT |
4049 | } |
4050 | ||
4051 | static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *used) | |
4052 | { | |
8687b63a | 4053 | __be32 *p; |
409924e4 | 4054 | int ret = 0; |
1da177e4 LT |
4055 | |
4056 | *used = 0; | |
4057 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_USED - 1U))) | |
4058 | return -EIO; | |
4059 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_USED)) { | |
c0eae66e BH |
4060 | p = xdr_inline_decode(xdr, 8); |
4061 | if (unlikely(!p)) | |
4062 | goto out_overflow; | |
cccddf4f | 4063 | xdr_decode_hyper(p, used); |
1da177e4 | 4064 | bitmap[1] &= ~FATTR4_WORD1_SPACE_USED; |
409924e4 | 4065 | ret = NFS_ATTR_FATTR_SPACE_USED; |
1da177e4 | 4066 | } |
3110ff80 | 4067 | dprintk("%s: space used=%Lu\n", __func__, |
1da177e4 | 4068 | (unsigned long long)*used); |
409924e4 | 4069 | return ret; |
c0eae66e BH |
4070 | out_overflow: |
4071 | print_overflow_msg(__func__, xdr); | |
4072 | return -EIO; | |
1da177e4 LT |
4073 | } |
4074 | ||
4075 | static int decode_attr_time(struct xdr_stream *xdr, struct timespec *time) | |
4076 | { | |
8687b63a | 4077 | __be32 *p; |
1da177e4 LT |
4078 | uint64_t sec; |
4079 | uint32_t nsec; | |
4080 | ||
c0eae66e BH |
4081 | p = xdr_inline_decode(xdr, 12); |
4082 | if (unlikely(!p)) | |
4083 | goto out_overflow; | |
3ceb4dbb | 4084 | p = xdr_decode_hyper(p, &sec); |
cccddf4f | 4085 | nsec = be32_to_cpup(p); |
1da177e4 LT |
4086 | time->tv_sec = (time_t)sec; |
4087 | time->tv_nsec = (long)nsec; | |
4088 | return 0; | |
c0eae66e BH |
4089 | out_overflow: |
4090 | print_overflow_msg(__func__, xdr); | |
4091 | return -EIO; | |
1da177e4 LT |
4092 | } |
4093 | ||
4094 | static int decode_attr_time_access(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
4095 | { | |
4096 | int status = 0; | |
4097 | ||
4098 | time->tv_sec = 0; | |
4099 | time->tv_nsec = 0; | |
4100 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_ACCESS - 1U))) | |
4101 | return -EIO; | |
4102 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_ACCESS)) { | |
4103 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4104 | if (status == 0) |
4105 | status = NFS_ATTR_FATTR_ATIME; | |
1da177e4 LT |
4106 | bitmap[1] &= ~FATTR4_WORD1_TIME_ACCESS; |
4107 | } | |
3110ff80 | 4108 | dprintk("%s: atime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
4109 | return status; |
4110 | } | |
4111 | ||
4112 | static int decode_attr_time_metadata(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
4113 | { | |
4114 | int status = 0; | |
4115 | ||
4116 | time->tv_sec = 0; | |
4117 | time->tv_nsec = 0; | |
4118 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_METADATA - 1U))) | |
4119 | return -EIO; | |
4120 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_METADATA)) { | |
4121 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4122 | if (status == 0) |
4123 | status = NFS_ATTR_FATTR_CTIME; | |
1da177e4 LT |
4124 | bitmap[1] &= ~FATTR4_WORD1_TIME_METADATA; |
4125 | } | |
3110ff80 | 4126 | dprintk("%s: ctime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
4127 | return status; |
4128 | } | |
4129 | ||
55b6e774 RL |
4130 | static int decode_attr_time_delta(struct xdr_stream *xdr, uint32_t *bitmap, |
4131 | struct timespec *time) | |
4132 | { | |
4133 | int status = 0; | |
4134 | ||
4135 | time->tv_sec = 0; | |
4136 | time->tv_nsec = 0; | |
4137 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_DELTA - 1U))) | |
4138 | return -EIO; | |
4139 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_DELTA)) { | |
4140 | status = decode_attr_time(xdr, time); | |
4141 | bitmap[1] &= ~FATTR4_WORD1_TIME_DELTA; | |
4142 | } | |
4143 | dprintk("%s: time_delta=%ld %ld\n", __func__, (long)time->tv_sec, | |
4144 | (long)time->tv_nsec); | |
4145 | return status; | |
4146 | } | |
4147 | ||
1da177e4 LT |
4148 | static int decode_attr_time_modify(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) |
4149 | { | |
4150 | int status = 0; | |
4151 | ||
4152 | time->tv_sec = 0; | |
4153 | time->tv_nsec = 0; | |
4154 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_MODIFY - 1U))) | |
4155 | return -EIO; | |
4156 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_MODIFY)) { | |
4157 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4158 | if (status == 0) |
4159 | status = NFS_ATTR_FATTR_MTIME; | |
1da177e4 LT |
4160 | bitmap[1] &= ~FATTR4_WORD1_TIME_MODIFY; |
4161 | } | |
3110ff80 | 4162 | dprintk("%s: mtime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
4163 | return status; |
4164 | } | |
4165 | ||
8687b63a | 4166 | static int verify_attr_len(struct xdr_stream *xdr, __be32 *savep, uint32_t attrlen) |
1da177e4 LT |
4167 | { |
4168 | unsigned int attrwords = XDR_QUADLEN(attrlen); | |
4169 | unsigned int nwords = xdr->p - savep; | |
4170 | ||
4171 | if (unlikely(attrwords != nwords)) { | |
fe82a183 CL |
4172 | dprintk("%s: server returned incorrect attribute length: " |
4173 | "%u %c %u\n", | |
3110ff80 | 4174 | __func__, |
1da177e4 LT |
4175 | attrwords << 2, |
4176 | (attrwords < nwords) ? '<' : '>', | |
4177 | nwords << 2); | |
4178 | return -EIO; | |
4179 | } | |
4180 | return 0; | |
4181 | } | |
4182 | ||
4183 | static int decode_change_info(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4184 | { | |
8687b63a | 4185 | __be32 *p; |
1da177e4 | 4186 | |
c0eae66e BH |
4187 | p = xdr_inline_decode(xdr, 20); |
4188 | if (unlikely(!p)) | |
4189 | goto out_overflow; | |
6f723f77 | 4190 | cinfo->atomic = be32_to_cpup(p++); |
3ceb4dbb | 4191 | p = xdr_decode_hyper(p, &cinfo->before); |
cccddf4f | 4192 | xdr_decode_hyper(p, &cinfo->after); |
1da177e4 | 4193 | return 0; |
c0eae66e BH |
4194 | out_overflow: |
4195 | print_overflow_msg(__func__, xdr); | |
4196 | return -EIO; | |
1da177e4 LT |
4197 | } |
4198 | ||
4199 | static int decode_access(struct xdr_stream *xdr, struct nfs4_accessres *access) | |
4200 | { | |
8687b63a | 4201 | __be32 *p; |
1da177e4 LT |
4202 | uint32_t supp, acc; |
4203 | int status; | |
4204 | ||
4205 | status = decode_op_hdr(xdr, OP_ACCESS); | |
4206 | if (status) | |
4207 | return status; | |
c0eae66e BH |
4208 | p = xdr_inline_decode(xdr, 8); |
4209 | if (unlikely(!p)) | |
4210 | goto out_overflow; | |
6f723f77 | 4211 | supp = be32_to_cpup(p++); |
cccddf4f | 4212 | acc = be32_to_cpup(p); |
1da177e4 LT |
4213 | access->supported = supp; |
4214 | access->access = acc; | |
4215 | return 0; | |
c0eae66e BH |
4216 | out_overflow: |
4217 | print_overflow_msg(__func__, xdr); | |
4218 | return -EIO; | |
1da177e4 LT |
4219 | } |
4220 | ||
07d30434 | 4221 | static int decode_opaque_fixed(struct xdr_stream *xdr, void *buf, size_t len) |
1da177e4 | 4222 | { |
8687b63a | 4223 | __be32 *p; |
07d30434 BH |
4224 | |
4225 | p = xdr_inline_decode(xdr, len); | |
4226 | if (likely(p)) { | |
4227 | memcpy(buf, p, len); | |
4228 | return 0; | |
4229 | } | |
4230 | print_overflow_msg(__func__, xdr); | |
4231 | return -EIO; | |
4232 | } | |
4233 | ||
4234 | static int decode_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) | |
4235 | { | |
2d2f24ad | 4236 | return decode_opaque_fixed(xdr, stateid, NFS4_STATEID_SIZE); |
07d30434 BH |
4237 | } |
4238 | ||
4239 | static int decode_close(struct xdr_stream *xdr, struct nfs_closeres *res) | |
4240 | { | |
1da177e4 LT |
4241 | int status; |
4242 | ||
4243 | status = decode_op_hdr(xdr, OP_CLOSE); | |
c1d51931 TM |
4244 | if (status != -EIO) |
4245 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4246 | if (!status) |
4247 | status = decode_stateid(xdr, &res->stateid); | |
4248 | return status; | |
1da177e4 LT |
4249 | } |
4250 | ||
db942bbd BH |
4251 | static int decode_verifier(struct xdr_stream *xdr, void *verifier) |
4252 | { | |
4253 | return decode_opaque_fixed(xdr, verifier, 8); | |
1da177e4 LT |
4254 | } |
4255 | ||
4256 | static int decode_commit(struct xdr_stream *xdr, struct nfs_writeres *res) | |
4257 | { | |
1da177e4 LT |
4258 | int status; |
4259 | ||
4260 | status = decode_op_hdr(xdr, OP_COMMIT); | |
db942bbd BH |
4261 | if (!status) |
4262 | status = decode_verifier(xdr, res->verf->verifier); | |
4263 | return status; | |
1da177e4 LT |
4264 | } |
4265 | ||
4266 | static int decode_create(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4267 | { | |
8687b63a | 4268 | __be32 *p; |
1da177e4 LT |
4269 | uint32_t bmlen; |
4270 | int status; | |
4271 | ||
4272 | status = decode_op_hdr(xdr, OP_CREATE); | |
4273 | if (status) | |
4274 | return status; | |
4275 | if ((status = decode_change_info(xdr, cinfo))) | |
4276 | return status; | |
c0eae66e BH |
4277 | p = xdr_inline_decode(xdr, 4); |
4278 | if (unlikely(!p)) | |
4279 | goto out_overflow; | |
cccddf4f | 4280 | bmlen = be32_to_cpup(p); |
c0eae66e BH |
4281 | p = xdr_inline_decode(xdr, bmlen << 2); |
4282 | if (likely(p)) | |
4283 | return 0; | |
4284 | out_overflow: | |
4285 | print_overflow_msg(__func__, xdr); | |
4286 | return -EIO; | |
1da177e4 LT |
4287 | } |
4288 | ||
4289 | static int decode_server_caps(struct xdr_stream *xdr, struct nfs4_server_caps_res *res) | |
4290 | { | |
8687b63a | 4291 | __be32 *savep; |
dae100c2 | 4292 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 LT |
4293 | int status; |
4294 | ||
4295 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
4296 | goto xdr_error; | |
4297 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4298 | goto xdr_error; | |
4299 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4300 | goto xdr_error; | |
4301 | if ((status = decode_attr_supported(xdr, bitmap, res->attr_bitmask)) != 0) | |
4302 | goto xdr_error; | |
264e6351 CL |
4303 | if ((status = decode_attr_fh_expire_type(xdr, bitmap, |
4304 | &res->fh_expire_type)) != 0) | |
4305 | goto xdr_error; | |
1da177e4 LT |
4306 | if ((status = decode_attr_link_support(xdr, bitmap, &res->has_links)) != 0) |
4307 | goto xdr_error; | |
4308 | if ((status = decode_attr_symlink_support(xdr, bitmap, &res->has_symlinks)) != 0) | |
4309 | goto xdr_error; | |
4310 | if ((status = decode_attr_aclsupport(xdr, bitmap, &res->acl_bitmask)) != 0) | |
4311 | goto xdr_error; | |
4312 | status = verify_attr_len(xdr, savep, attrlen); | |
4313 | xdr_error: | |
3110ff80 | 4314 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4315 | return status; |
4316 | } | |
6c0195a4 | 4317 | |
1da177e4 LT |
4318 | static int decode_statfs(struct xdr_stream *xdr, struct nfs_fsstat *fsstat) |
4319 | { | |
8687b63a | 4320 | __be32 *savep; |
dae100c2 | 4321 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 | 4322 | int status; |
6c0195a4 | 4323 | |
1da177e4 LT |
4324 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
4325 | goto xdr_error; | |
4326 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4327 | goto xdr_error; | |
4328 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4329 | goto xdr_error; | |
4330 | ||
4331 | if ((status = decode_attr_files_avail(xdr, bitmap, &fsstat->afiles)) != 0) | |
4332 | goto xdr_error; | |
4333 | if ((status = decode_attr_files_free(xdr, bitmap, &fsstat->ffiles)) != 0) | |
4334 | goto xdr_error; | |
4335 | if ((status = decode_attr_files_total(xdr, bitmap, &fsstat->tfiles)) != 0) | |
4336 | goto xdr_error; | |
4337 | if ((status = decode_attr_space_avail(xdr, bitmap, &fsstat->abytes)) != 0) | |
4338 | goto xdr_error; | |
4339 | if ((status = decode_attr_space_free(xdr, bitmap, &fsstat->fbytes)) != 0) | |
4340 | goto xdr_error; | |
4341 | if ((status = decode_attr_space_total(xdr, bitmap, &fsstat->tbytes)) != 0) | |
4342 | goto xdr_error; | |
4343 | ||
4344 | status = verify_attr_len(xdr, savep, attrlen); | |
4345 | xdr_error: | |
3110ff80 | 4346 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4347 | return status; |
4348 | } | |
4349 | ||
4350 | static int decode_pathconf(struct xdr_stream *xdr, struct nfs_pathconf *pathconf) | |
4351 | { | |
8687b63a | 4352 | __be32 *savep; |
dae100c2 | 4353 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 | 4354 | int status; |
6c0195a4 | 4355 | |
1da177e4 LT |
4356 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
4357 | goto xdr_error; | |
4358 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4359 | goto xdr_error; | |
4360 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4361 | goto xdr_error; | |
4362 | ||
4363 | if ((status = decode_attr_maxlink(xdr, bitmap, &pathconf->max_link)) != 0) | |
4364 | goto xdr_error; | |
4365 | if ((status = decode_attr_maxname(xdr, bitmap, &pathconf->max_namelen)) != 0) | |
4366 | goto xdr_error; | |
4367 | ||
4368 | status = verify_attr_len(xdr, savep, attrlen); | |
4369 | xdr_error: | |
3110ff80 | 4370 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4371 | return status; |
4372 | } | |
4373 | ||
ae42c70a BS |
4374 | static int decode_getfattr_attrs(struct xdr_stream *xdr, uint32_t *bitmap, |
4375 | struct nfs_fattr *fattr, struct nfs_fh *fh, | |
8b7e3f49 | 4376 | struct nfs4_fs_locations *fs_loc, |
6926afd1 | 4377 | const struct nfs_server *server) |
1da177e4 | 4378 | { |
bca79478 TM |
4379 | int status; |
4380 | umode_t fmode = 0; | |
ae42c70a | 4381 | uint32_t type; |
ee7b75fc | 4382 | int32_t err; |
1da177e4 | 4383 | |
f26c7a78 TM |
4384 | status = decode_attr_type(xdr, bitmap, &type); |
4385 | if (status < 0) | |
1da177e4 | 4386 | goto xdr_error; |
409924e4 TM |
4387 | fattr->mode = 0; |
4388 | if (status != 0) { | |
4389 | fattr->mode |= nfs_type2fmt[type]; | |
4390 | fattr->valid |= status; | |
4391 | } | |
1da177e4 | 4392 | |
f26c7a78 TM |
4393 | status = decode_attr_change(xdr, bitmap, &fattr->change_attr); |
4394 | if (status < 0) | |
1da177e4 | 4395 | goto xdr_error; |
409924e4 | 4396 | fattr->valid |= status; |
f26c7a78 TM |
4397 | |
4398 | status = decode_attr_size(xdr, bitmap, &fattr->size); | |
4399 | if (status < 0) | |
1da177e4 | 4400 | goto xdr_error; |
409924e4 | 4401 | fattr->valid |= status; |
f26c7a78 TM |
4402 | |
4403 | status = decode_attr_fsid(xdr, bitmap, &fattr->fsid); | |
4404 | if (status < 0) | |
1da177e4 | 4405 | goto xdr_error; |
409924e4 | 4406 | fattr->valid |= status; |
f26c7a78 | 4407 | |
ee7b75fc TM |
4408 | err = 0; |
4409 | status = decode_attr_error(xdr, bitmap, &err); | |
ae42c70a BS |
4410 | if (status < 0) |
4411 | goto xdr_error; | |
ee7b75fc TM |
4412 | if (err == -NFS4ERR_WRONGSEC) |
4413 | nfs_fixup_secinfo_attributes(fattr, fh); | |
ae42c70a BS |
4414 | |
4415 | status = decode_attr_filehandle(xdr, bitmap, fh); | |
4416 | if (status < 0) | |
4417 | goto xdr_error; | |
4418 | ||
f26c7a78 TM |
4419 | status = decode_attr_fileid(xdr, bitmap, &fattr->fileid); |
4420 | if (status < 0) | |
1da177e4 | 4421 | goto xdr_error; |
409924e4 | 4422 | fattr->valid |= status; |
f26c7a78 | 4423 | |
8b7e3f49 | 4424 | status = decode_attr_fs_locations(xdr, bitmap, fs_loc); |
f26c7a78 | 4425 | if (status < 0) |
683b57b4 | 4426 | goto xdr_error; |
409924e4 | 4427 | fattr->valid |= status; |
f26c7a78 TM |
4428 | |
4429 | status = decode_attr_mode(xdr, bitmap, &fmode); | |
4430 | if (status < 0) | |
1da177e4 | 4431 | goto xdr_error; |
409924e4 TM |
4432 | if (status != 0) { |
4433 | fattr->mode |= fmode; | |
4434 | fattr->valid |= status; | |
4435 | } | |
f26c7a78 TM |
4436 | |
4437 | status = decode_attr_nlink(xdr, bitmap, &fattr->nlink); | |
4438 | if (status < 0) | |
1da177e4 | 4439 | goto xdr_error; |
409924e4 | 4440 | fattr->valid |= status; |
f26c7a78 | 4441 | |
6926afd1 | 4442 | status = decode_attr_owner(xdr, bitmap, server, &fattr->uid, fattr->owner_name); |
f26c7a78 | 4443 | if (status < 0) |
1da177e4 | 4444 | goto xdr_error; |
409924e4 | 4445 | fattr->valid |= status; |
f26c7a78 | 4446 | |
6926afd1 | 4447 | status = decode_attr_group(xdr, bitmap, server, &fattr->gid, fattr->group_name); |
f26c7a78 | 4448 | if (status < 0) |
1da177e4 | 4449 | goto xdr_error; |
409924e4 | 4450 | fattr->valid |= status; |
f26c7a78 TM |
4451 | |
4452 | status = decode_attr_rdev(xdr, bitmap, &fattr->rdev); | |
4453 | if (status < 0) | |
1da177e4 | 4454 | goto xdr_error; |
409924e4 | 4455 | fattr->valid |= status; |
f26c7a78 TM |
4456 | |
4457 | status = decode_attr_space_used(xdr, bitmap, &fattr->du.nfs3.used); | |
4458 | if (status < 0) | |
1da177e4 | 4459 | goto xdr_error; |
409924e4 | 4460 | fattr->valid |= status; |
f26c7a78 TM |
4461 | |
4462 | status = decode_attr_time_access(xdr, bitmap, &fattr->atime); | |
4463 | if (status < 0) | |
1da177e4 | 4464 | goto xdr_error; |
409924e4 | 4465 | fattr->valid |= status; |
f26c7a78 TM |
4466 | |
4467 | status = decode_attr_time_metadata(xdr, bitmap, &fattr->ctime); | |
4468 | if (status < 0) | |
1da177e4 | 4469 | goto xdr_error; |
409924e4 | 4470 | fattr->valid |= status; |
f26c7a78 TM |
4471 | |
4472 | status = decode_attr_time_modify(xdr, bitmap, &fattr->mtime); | |
4473 | if (status < 0) | |
1da177e4 | 4474 | goto xdr_error; |
409924e4 | 4475 | fattr->valid |= status; |
f26c7a78 | 4476 | |
28331a46 | 4477 | status = decode_attr_mounted_on_fileid(xdr, bitmap, &fattr->mounted_on_fileid); |
f26c7a78 | 4478 | if (status < 0) |
99baf625 | 4479 | goto xdr_error; |
28331a46 | 4480 | fattr->valid |= status; |
f26c7a78 | 4481 | |
ae42c70a BS |
4482 | xdr_error: |
4483 | dprintk("%s: xdr returned %d\n", __func__, -status); | |
4484 | return status; | |
4485 | } | |
4486 | ||
4487 | static int decode_getfattr_generic(struct xdr_stream *xdr, struct nfs_fattr *fattr, | |
8b7e3f49 TM |
4488 | struct nfs_fh *fh, struct nfs4_fs_locations *fs_loc, |
4489 | const struct nfs_server *server) | |
ae42c70a BS |
4490 | { |
4491 | __be32 *savep; | |
4492 | uint32_t attrlen, | |
dae100c2 | 4493 | bitmap[3] = {0}; |
ae42c70a BS |
4494 | int status; |
4495 | ||
4496 | status = decode_op_hdr(xdr, OP_GETATTR); | |
4497 | if (status < 0) | |
4498 | goto xdr_error; | |
4499 | ||
4500 | status = decode_attr_bitmap(xdr, bitmap); | |
4501 | if (status < 0) | |
4502 | goto xdr_error; | |
4503 | ||
4504 | status = decode_attr_length(xdr, &attrlen, &savep); | |
4505 | if (status < 0) | |
4506 | goto xdr_error; | |
4507 | ||
8b7e3f49 | 4508 | status = decode_getfattr_attrs(xdr, bitmap, fattr, fh, fs_loc, server); |
ae42c70a BS |
4509 | if (status < 0) |
4510 | goto xdr_error; | |
4511 | ||
f26c7a78 | 4512 | status = verify_attr_len(xdr, savep, attrlen); |
1da177e4 | 4513 | xdr_error: |
3110ff80 | 4514 | dprintk("%s: xdr returned %d\n", __func__, -status); |
1da177e4 LT |
4515 | return status; |
4516 | } | |
4517 | ||
ae42c70a | 4518 | static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr, |
6926afd1 | 4519 | const struct nfs_server *server) |
ae42c70a | 4520 | { |
8b7e3f49 | 4521 | return decode_getfattr_generic(xdr, fattr, NULL, NULL, server); |
ae42c70a | 4522 | } |
1da177e4 | 4523 | |
504913fb AA |
4524 | /* |
4525 | * Decode potentially multiple layout types. Currently we only support | |
4526 | * one layout driver per file system. | |
4527 | */ | |
4528 | static int decode_first_pnfs_layout_type(struct xdr_stream *xdr, | |
4529 | uint32_t *layouttype) | |
4530 | { | |
4531 | uint32_t *p; | |
4532 | int num; | |
4533 | ||
4534 | p = xdr_inline_decode(xdr, 4); | |
4535 | if (unlikely(!p)) | |
4536 | goto out_overflow; | |
4537 | num = be32_to_cpup(p); | |
4538 | ||
4539 | /* pNFS is not supported by the underlying file system */ | |
4540 | if (num == 0) { | |
4541 | *layouttype = 0; | |
4542 | return 0; | |
4543 | } | |
4544 | if (num > 1) | |
a030889a WAA |
4545 | printk(KERN_INFO "NFS: %s: Warning: Multiple pNFS layout " |
4546 | "drivers per filesystem not supported\n", __func__); | |
504913fb AA |
4547 | |
4548 | /* Decode and set first layout type, move xdr->p past unused types */ | |
4549 | p = xdr_inline_decode(xdr, num * 4); | |
4550 | if (unlikely(!p)) | |
4551 | goto out_overflow; | |
4552 | *layouttype = be32_to_cpup(p); | |
4553 | return 0; | |
4554 | out_overflow: | |
4555 | print_overflow_msg(__func__, xdr); | |
4556 | return -EIO; | |
4557 | } | |
4558 | ||
4559 | /* | |
4560 | * The type of file system exported. | |
4561 | * Note we must ensure that layouttype is set in any non-error case. | |
4562 | */ | |
4563 | static int decode_attr_pnfstype(struct xdr_stream *xdr, uint32_t *bitmap, | |
4564 | uint32_t *layouttype) | |
4565 | { | |
4566 | int status = 0; | |
4567 | ||
4568 | dprintk("%s: bitmap is %x\n", __func__, bitmap[1]); | |
4569 | if (unlikely(bitmap[1] & (FATTR4_WORD1_FS_LAYOUT_TYPES - 1U))) | |
4570 | return -EIO; | |
4571 | if (bitmap[1] & FATTR4_WORD1_FS_LAYOUT_TYPES) { | |
4572 | status = decode_first_pnfs_layout_type(xdr, layouttype); | |
4573 | bitmap[1] &= ~FATTR4_WORD1_FS_LAYOUT_TYPES; | |
4574 | } else | |
4575 | *layouttype = 0; | |
4576 | return status; | |
4577 | } | |
4578 | ||
dae100c2 FI |
4579 | /* |
4580 | * The prefered block size for layout directed io | |
4581 | */ | |
4582 | static int decode_attr_layout_blksize(struct xdr_stream *xdr, uint32_t *bitmap, | |
4583 | uint32_t *res) | |
4584 | { | |
4585 | __be32 *p; | |
4586 | ||
4587 | dprintk("%s: bitmap is %x\n", __func__, bitmap[2]); | |
4588 | *res = 0; | |
4589 | if (bitmap[2] & FATTR4_WORD2_LAYOUT_BLKSIZE) { | |
4590 | p = xdr_inline_decode(xdr, 4); | |
4591 | if (unlikely(!p)) { | |
4592 | print_overflow_msg(__func__, xdr); | |
4593 | return -EIO; | |
4594 | } | |
4595 | *res = be32_to_cpup(p); | |
4596 | bitmap[2] &= ~FATTR4_WORD2_LAYOUT_BLKSIZE; | |
4597 | } | |
4598 | return 0; | |
4599 | } | |
4600 | ||
1da177e4 LT |
4601 | static int decode_fsinfo(struct xdr_stream *xdr, struct nfs_fsinfo *fsinfo) |
4602 | { | |
8687b63a | 4603 | __be32 *savep; |
dae100c2 | 4604 | uint32_t attrlen, bitmap[3]; |
1da177e4 LT |
4605 | int status; |
4606 | ||
4607 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
4608 | goto xdr_error; | |
4609 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4610 | goto xdr_error; | |
4611 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4612 | goto xdr_error; | |
4613 | ||
4614 | fsinfo->rtmult = fsinfo->wtmult = 512; /* ??? */ | |
4615 | ||
4616 | if ((status = decode_attr_lease_time(xdr, bitmap, &fsinfo->lease_time)) != 0) | |
4617 | goto xdr_error; | |
4618 | if ((status = decode_attr_maxfilesize(xdr, bitmap, &fsinfo->maxfilesize)) != 0) | |
4619 | goto xdr_error; | |
4620 | if ((status = decode_attr_maxread(xdr, bitmap, &fsinfo->rtmax)) != 0) | |
4621 | goto xdr_error; | |
4622 | fsinfo->rtpref = fsinfo->dtpref = fsinfo->rtmax; | |
4623 | if ((status = decode_attr_maxwrite(xdr, bitmap, &fsinfo->wtmax)) != 0) | |
4624 | goto xdr_error; | |
4625 | fsinfo->wtpref = fsinfo->wtmax; | |
55b6e774 | 4626 | status = decode_attr_time_delta(xdr, bitmap, &fsinfo->time_delta); |
504913fb AA |
4627 | if (status != 0) |
4628 | goto xdr_error; | |
4629 | status = decode_attr_pnfstype(xdr, bitmap, &fsinfo->layouttype); | |
55b6e774 RL |
4630 | if (status != 0) |
4631 | goto xdr_error; | |
dae100c2 FI |
4632 | status = decode_attr_layout_blksize(xdr, bitmap, &fsinfo->blksize); |
4633 | if (status) | |
4634 | goto xdr_error; | |
1da177e4 LT |
4635 | |
4636 | status = verify_attr_len(xdr, savep, attrlen); | |
4637 | xdr_error: | |
3110ff80 | 4638 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4639 | return status; |
4640 | } | |
4641 | ||
4642 | static int decode_getfh(struct xdr_stream *xdr, struct nfs_fh *fh) | |
4643 | { | |
8687b63a | 4644 | __be32 *p; |
1da177e4 LT |
4645 | uint32_t len; |
4646 | int status; | |
4647 | ||
9936781d TM |
4648 | /* Zero handle first to allow comparisons */ |
4649 | memset(fh, 0, sizeof(*fh)); | |
4650 | ||
1da177e4 LT |
4651 | status = decode_op_hdr(xdr, OP_GETFH); |
4652 | if (status) | |
4653 | return status; | |
1da177e4 | 4654 | |
c0eae66e BH |
4655 | p = xdr_inline_decode(xdr, 4); |
4656 | if (unlikely(!p)) | |
4657 | goto out_overflow; | |
cccddf4f | 4658 | len = be32_to_cpup(p); |
1da177e4 LT |
4659 | if (len > NFS4_FHSIZE) |
4660 | return -EIO; | |
4661 | fh->size = len; | |
c0eae66e BH |
4662 | p = xdr_inline_decode(xdr, len); |
4663 | if (unlikely(!p)) | |
4664 | goto out_overflow; | |
99398d06 | 4665 | memcpy(fh->data, p, len); |
1da177e4 | 4666 | return 0; |
c0eae66e BH |
4667 | out_overflow: |
4668 | print_overflow_msg(__func__, xdr); | |
4669 | return -EIO; | |
1da177e4 LT |
4670 | } |
4671 | ||
4672 | static int decode_link(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4673 | { | |
4674 | int status; | |
6c0195a4 | 4675 | |
1da177e4 LT |
4676 | status = decode_op_hdr(xdr, OP_LINK); |
4677 | if (status) | |
4678 | return status; | |
4679 | return decode_change_info(xdr, cinfo); | |
4680 | } | |
4681 | ||
4682 | /* | |
4683 | * We create the owner, so we know a proper owner.id length is 4. | |
4684 | */ | |
911d1aaf | 4685 | static int decode_lock_denied (struct xdr_stream *xdr, struct file_lock *fl) |
1da177e4 | 4686 | { |
911d1aaf | 4687 | uint64_t offset, length, clientid; |
8687b63a | 4688 | __be32 *p; |
911d1aaf | 4689 | uint32_t namelen, type; |
1da177e4 | 4690 | |
babddc72 | 4691 | p = xdr_inline_decode(xdr, 32); /* read 32 bytes */ |
c0eae66e BH |
4692 | if (unlikely(!p)) |
4693 | goto out_overflow; | |
babddc72 | 4694 | p = xdr_decode_hyper(p, &offset); /* read 2 8-byte long words */ |
3ceb4dbb | 4695 | p = xdr_decode_hyper(p, &length); |
babddc72 BS |
4696 | type = be32_to_cpup(p++); /* 4 byte read */ |
4697 | if (fl != NULL) { /* manipulate file lock */ | |
911d1aaf TM |
4698 | fl->fl_start = (loff_t)offset; |
4699 | fl->fl_end = fl->fl_start + (loff_t)length - 1; | |
4700 | if (length == ~(uint64_t)0) | |
4701 | fl->fl_end = OFFSET_MAX; | |
4702 | fl->fl_type = F_WRLCK; | |
4703 | if (type & 1) | |
4704 | fl->fl_type = F_RDLCK; | |
4705 | fl->fl_pid = 0; | |
4706 | } | |
babddc72 BS |
4707 | p = xdr_decode_hyper(p, &clientid); /* read 8 bytes */ |
4708 | namelen = be32_to_cpup(p); /* read 4 bytes */ /* have read all 32 bytes now */ | |
4709 | p = xdr_inline_decode(xdr, namelen); /* variable size field */ | |
c0eae66e BH |
4710 | if (likely(p)) |
4711 | return -NFS4ERR_DENIED; | |
4712 | out_overflow: | |
4713 | print_overflow_msg(__func__, xdr); | |
4714 | return -EIO; | |
1da177e4 LT |
4715 | } |
4716 | ||
911d1aaf | 4717 | static int decode_lock(struct xdr_stream *xdr, struct nfs_lock_res *res) |
1da177e4 | 4718 | { |
1da177e4 LT |
4719 | int status; |
4720 | ||
4721 | status = decode_op_hdr(xdr, OP_LOCK); | |
c1d51931 TM |
4722 | if (status == -EIO) |
4723 | goto out; | |
1da177e4 | 4724 | if (status == 0) { |
07d30434 BH |
4725 | status = decode_stateid(xdr, &res->stateid); |
4726 | if (unlikely(status)) | |
4727 | goto out; | |
1da177e4 | 4728 | } else if (status == -NFS4ERR_DENIED) |
c1d51931 TM |
4729 | status = decode_lock_denied(xdr, NULL); |
4730 | if (res->open_seqid != NULL) | |
4731 | nfs_increment_open_seqid(status, res->open_seqid); | |
4732 | nfs_increment_lock_seqid(status, res->lock_seqid); | |
4733 | out: | |
1da177e4 LT |
4734 | return status; |
4735 | } | |
4736 | ||
911d1aaf | 4737 | static int decode_lockt(struct xdr_stream *xdr, struct nfs_lockt_res *res) |
1da177e4 LT |
4738 | { |
4739 | int status; | |
4740 | status = decode_op_hdr(xdr, OP_LOCKT); | |
4741 | if (status == -NFS4ERR_DENIED) | |
911d1aaf | 4742 | return decode_lock_denied(xdr, res->denied); |
1da177e4 LT |
4743 | return status; |
4744 | } | |
4745 | ||
911d1aaf | 4746 | static int decode_locku(struct xdr_stream *xdr, struct nfs_locku_res *res) |
1da177e4 | 4747 | { |
1da177e4 LT |
4748 | int status; |
4749 | ||
4750 | status = decode_op_hdr(xdr, OP_LOCKU); | |
c1d51931 TM |
4751 | if (status != -EIO) |
4752 | nfs_increment_lock_seqid(status, res->seqid); | |
07d30434 BH |
4753 | if (status == 0) |
4754 | status = decode_stateid(xdr, &res->stateid); | |
1da177e4 LT |
4755 | return status; |
4756 | } | |
4757 | ||
d3c7b7cc TM |
4758 | static int decode_release_lockowner(struct xdr_stream *xdr) |
4759 | { | |
4760 | return decode_op_hdr(xdr, OP_RELEASE_LOCKOWNER); | |
4761 | } | |
4762 | ||
1da177e4 LT |
4763 | static int decode_lookup(struct xdr_stream *xdr) |
4764 | { | |
4765 | return decode_op_hdr(xdr, OP_LOOKUP); | |
4766 | } | |
4767 | ||
4768 | /* This is too sick! */ | |
4769 | static int decode_space_limit(struct xdr_stream *xdr, u64 *maxsize) | |
4770 | { | |
05d564fe | 4771 | __be32 *p; |
1da177e4 LT |
4772 | uint32_t limit_type, nblocks, blocksize; |
4773 | ||
c0eae66e BH |
4774 | p = xdr_inline_decode(xdr, 12); |
4775 | if (unlikely(!p)) | |
4776 | goto out_overflow; | |
6f723f77 | 4777 | limit_type = be32_to_cpup(p++); |
1da177e4 | 4778 | switch (limit_type) { |
05d564fe | 4779 | case 1: |
cccddf4f | 4780 | xdr_decode_hyper(p, maxsize); |
05d564fe AA |
4781 | break; |
4782 | case 2: | |
6f723f77 | 4783 | nblocks = be32_to_cpup(p++); |
cccddf4f | 4784 | blocksize = be32_to_cpup(p); |
05d564fe | 4785 | *maxsize = (uint64_t)nblocks * (uint64_t)blocksize; |
1da177e4 LT |
4786 | } |
4787 | return 0; | |
c0eae66e BH |
4788 | out_overflow: |
4789 | print_overflow_msg(__func__, xdr); | |
4790 | return -EIO; | |
1da177e4 LT |
4791 | } |
4792 | ||
4793 | static int decode_delegation(struct xdr_stream *xdr, struct nfs_openres *res) | |
4794 | { | |
05d564fe AA |
4795 | __be32 *p; |
4796 | uint32_t delegation_type; | |
07d30434 | 4797 | int status; |
1da177e4 | 4798 | |
c0eae66e BH |
4799 | p = xdr_inline_decode(xdr, 4); |
4800 | if (unlikely(!p)) | |
4801 | goto out_overflow; | |
cccddf4f | 4802 | delegation_type = be32_to_cpup(p); |
1da177e4 LT |
4803 | if (delegation_type == NFS4_OPEN_DELEGATE_NONE) { |
4804 | res->delegation_type = 0; | |
4805 | return 0; | |
4806 | } | |
07d30434 BH |
4807 | status = decode_stateid(xdr, &res->delegation); |
4808 | if (unlikely(status)) | |
4809 | return status; | |
c0eae66e BH |
4810 | p = xdr_inline_decode(xdr, 4); |
4811 | if (unlikely(!p)) | |
4812 | goto out_overflow; | |
cccddf4f | 4813 | res->do_recall = be32_to_cpup(p); |
05d564fe | 4814 | |
1da177e4 | 4815 | switch (delegation_type) { |
05d564fe AA |
4816 | case NFS4_OPEN_DELEGATE_READ: |
4817 | res->delegation_type = FMODE_READ; | |
4818 | break; | |
4819 | case NFS4_OPEN_DELEGATE_WRITE: | |
4820 | res->delegation_type = FMODE_WRITE|FMODE_READ; | |
4821 | if (decode_space_limit(xdr, &res->maxsize) < 0) | |
1da177e4 LT |
4822 | return -EIO; |
4823 | } | |
7539bbab | 4824 | return decode_ace(xdr, NULL, res->server->nfs_client); |
c0eae66e BH |
4825 | out_overflow: |
4826 | print_overflow_msg(__func__, xdr); | |
4827 | return -EIO; | |
1da177e4 LT |
4828 | } |
4829 | ||
4830 | static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res) | |
4831 | { | |
05d564fe | 4832 | __be32 *p; |
aa53ed54 | 4833 | uint32_t savewords, bmlen, i; |
05d564fe | 4834 | int status; |
1da177e4 | 4835 | |
05d564fe | 4836 | status = decode_op_hdr(xdr, OP_OPEN); |
c1d51931 TM |
4837 | if (status != -EIO) |
4838 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4839 | if (!status) |
4840 | status = decode_stateid(xdr, &res->stateid); | |
4841 | if (unlikely(status)) | |
05d564fe | 4842 | return status; |
1da177e4 | 4843 | |
05d564fe | 4844 | decode_change_info(xdr, &res->cinfo); |
1da177e4 | 4845 | |
c0eae66e BH |
4846 | p = xdr_inline_decode(xdr, 8); |
4847 | if (unlikely(!p)) | |
4848 | goto out_overflow; | |
6f723f77 | 4849 | res->rflags = be32_to_cpup(p++); |
cccddf4f | 4850 | bmlen = be32_to_cpup(p); |
05d564fe AA |
4851 | if (bmlen > 10) |
4852 | goto xdr_error; | |
1da177e4 | 4853 | |
c0eae66e BH |
4854 | p = xdr_inline_decode(xdr, bmlen << 2); |
4855 | if (unlikely(!p)) | |
4856 | goto out_overflow; | |
aa53ed54 JL |
4857 | savewords = min_t(uint32_t, bmlen, NFS4_BITMAP_SIZE); |
4858 | for (i = 0; i < savewords; ++i) | |
6f723f77 | 4859 | res->attrset[i] = be32_to_cpup(p++); |
aa53ed54 JL |
4860 | for (; i < NFS4_BITMAP_SIZE; i++) |
4861 | res->attrset[i] = 0; | |
4862 | ||
1da177e4 LT |
4863 | return decode_delegation(xdr, res); |
4864 | xdr_error: | |
3110ff80 | 4865 | dprintk("%s: Bitmap too large! Length = %u\n", __func__, bmlen); |
1da177e4 | 4866 | return -EIO; |
c0eae66e BH |
4867 | out_overflow: |
4868 | print_overflow_msg(__func__, xdr); | |
4869 | return -EIO; | |
1da177e4 LT |
4870 | } |
4871 | ||
4872 | static int decode_open_confirm(struct xdr_stream *xdr, struct nfs_open_confirmres *res) | |
4873 | { | |
1da177e4 LT |
4874 | int status; |
4875 | ||
05d564fe | 4876 | status = decode_op_hdr(xdr, OP_OPEN_CONFIRM); |
c1d51931 TM |
4877 | if (status != -EIO) |
4878 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4879 | if (!status) |
4880 | status = decode_stateid(xdr, &res->stateid); | |
4881 | return status; | |
1da177e4 LT |
4882 | } |
4883 | ||
4884 | static int decode_open_downgrade(struct xdr_stream *xdr, struct nfs_closeres *res) | |
4885 | { | |
1da177e4 LT |
4886 | int status; |
4887 | ||
4888 | status = decode_op_hdr(xdr, OP_OPEN_DOWNGRADE); | |
c1d51931 TM |
4889 | if (status != -EIO) |
4890 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4891 | if (!status) |
4892 | status = decode_stateid(xdr, &res->stateid); | |
4893 | return status; | |
1da177e4 LT |
4894 | } |
4895 | ||
4896 | static int decode_putfh(struct xdr_stream *xdr) | |
4897 | { | |
4898 | return decode_op_hdr(xdr, OP_PUTFH); | |
4899 | } | |
4900 | ||
4901 | static int decode_putrootfh(struct xdr_stream *xdr) | |
4902 | { | |
4903 | return decode_op_hdr(xdr, OP_PUTROOTFH); | |
4904 | } | |
4905 | ||
4906 | static int decode_read(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs_readres *res) | |
4907 | { | |
4908 | struct kvec *iov = req->rq_rcv_buf.head; | |
8687b63a | 4909 | __be32 *p; |
1da177e4 LT |
4910 | uint32_t count, eof, recvd, hdrlen; |
4911 | int status; | |
4912 | ||
4913 | status = decode_op_hdr(xdr, OP_READ); | |
4914 | if (status) | |
4915 | return status; | |
c0eae66e BH |
4916 | p = xdr_inline_decode(xdr, 8); |
4917 | if (unlikely(!p)) | |
4918 | goto out_overflow; | |
6f723f77 | 4919 | eof = be32_to_cpup(p++); |
cccddf4f | 4920 | count = be32_to_cpup(p); |
8111f373 | 4921 | hdrlen = (u8 *) xdr->p - (u8 *) iov->iov_base; |
1da177e4 LT |
4922 | recvd = req->rq_rcv_buf.len - hdrlen; |
4923 | if (count > recvd) { | |
fe82a183 | 4924 | dprintk("NFS: server cheating in read reply: " |
1da177e4 LT |
4925 | "count %u > recvd %u\n", count, recvd); |
4926 | count = recvd; | |
4927 | eof = 0; | |
4928 | } | |
4929 | xdr_read_pages(xdr, count); | |
4930 | res->eof = eof; | |
4931 | res->count = count; | |
4932 | return 0; | |
c0eae66e BH |
4933 | out_overflow: |
4934 | print_overflow_msg(__func__, xdr); | |
4935 | return -EIO; | |
1da177e4 LT |
4936 | } |
4937 | ||
4938 | static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs4_readdir_res *readdir) | |
4939 | { | |
4940 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; | |
1da177e4 | 4941 | struct kvec *iov = rcvbuf->head; |
bcecff77 CL |
4942 | size_t hdrlen; |
4943 | u32 recvd, pglen = rcvbuf->page_len; | |
bcecff77 | 4944 | int status; |
1da177e4 LT |
4945 | |
4946 | status = decode_op_hdr(xdr, OP_READDIR); | |
db942bbd BH |
4947 | if (!status) |
4948 | status = decode_verifier(xdr, readdir->verifier.data); | |
4949 | if (unlikely(status)) | |
1da177e4 | 4950 | return status; |
44109241 FI |
4951 | dprintk("%s: verifier = %08x:%08x\n", |
4952 | __func__, | |
eadf4598 TM |
4953 | ((u32 *)readdir->verifier.data)[0], |
4954 | ((u32 *)readdir->verifier.data)[1]); | |
4955 | ||
1da177e4 | 4956 | |
db942bbd | 4957 | hdrlen = (char *) xdr->p - (char *) iov->iov_base; |
1da177e4 LT |
4958 | recvd = rcvbuf->len - hdrlen; |
4959 | if (pglen > recvd) | |
4960 | pglen = recvd; | |
4961 | xdr_read_pages(xdr, pglen); | |
4962 | ||
afa8ccc9 | 4963 | |
ac396128 | 4964 | return pglen; |
1da177e4 LT |
4965 | } |
4966 | ||
4967 | static int decode_readlink(struct xdr_stream *xdr, struct rpc_rqst *req) | |
4968 | { | |
4969 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; | |
4970 | struct kvec *iov = rcvbuf->head; | |
bcecff77 CL |
4971 | size_t hdrlen; |
4972 | u32 len, recvd; | |
8687b63a | 4973 | __be32 *p; |
1da177e4 LT |
4974 | int status; |
4975 | ||
4976 | status = decode_op_hdr(xdr, OP_READLINK); | |
4977 | if (status) | |
4978 | return status; | |
4979 | ||
4980 | /* Convert length of symlink */ | |
c0eae66e BH |
4981 | p = xdr_inline_decode(xdr, 4); |
4982 | if (unlikely(!p)) | |
4983 | goto out_overflow; | |
cccddf4f | 4984 | len = be32_to_cpup(p); |
1da177e4 | 4985 | if (len >= rcvbuf->page_len || len <= 0) { |
fe82a183 | 4986 | dprintk("nfs: server returned giant symlink!\n"); |
1da177e4 LT |
4987 | return -ENAMETOOLONG; |
4988 | } | |
4989 | hdrlen = (char *) xdr->p - (char *) iov->iov_base; | |
4990 | recvd = req->rq_rcv_buf.len - hdrlen; | |
4991 | if (recvd < len) { | |
fe82a183 | 4992 | dprintk("NFS: server cheating in readlink reply: " |
1da177e4 LT |
4993 | "count %u > recvd %u\n", len, recvd); |
4994 | return -EIO; | |
4995 | } | |
4996 | xdr_read_pages(xdr, len); | |
4997 | /* | |
4998 | * The XDR encode routine has set things up so that | |
4999 | * the link text will be copied directly into the | |
5000 | * buffer. We just have to do overflow-checking, | |
5001 | * and and null-terminate the text (the VFS expects | |
5002 | * null-termination). | |
5003 | */ | |
b4687da7 | 5004 | xdr_terminate_string(rcvbuf, len); |
1da177e4 | 5005 | return 0; |
c0eae66e BH |
5006 | out_overflow: |
5007 | print_overflow_msg(__func__, xdr); | |
5008 | return -EIO; | |
1da177e4 LT |
5009 | } |
5010 | ||
5011 | static int decode_remove(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
5012 | { | |
5013 | int status; | |
5014 | ||
5015 | status = decode_op_hdr(xdr, OP_REMOVE); | |
5016 | if (status) | |
5017 | goto out; | |
5018 | status = decode_change_info(xdr, cinfo); | |
5019 | out: | |
5020 | return status; | |
5021 | } | |
5022 | ||
5023 | static int decode_rename(struct xdr_stream *xdr, struct nfs4_change_info *old_cinfo, | |
5024 | struct nfs4_change_info *new_cinfo) | |
5025 | { | |
5026 | int status; | |
5027 | ||
5028 | status = decode_op_hdr(xdr, OP_RENAME); | |
5029 | if (status) | |
5030 | goto out; | |
5031 | if ((status = decode_change_info(xdr, old_cinfo))) | |
5032 | goto out; | |
5033 | status = decode_change_info(xdr, new_cinfo); | |
5034 | out: | |
5035 | return status; | |
5036 | } | |
5037 | ||
5038 | static int decode_renew(struct xdr_stream *xdr) | |
5039 | { | |
5040 | return decode_op_hdr(xdr, OP_RENEW); | |
5041 | } | |
5042 | ||
56ae19f3 TM |
5043 | static int |
5044 | decode_restorefh(struct xdr_stream *xdr) | |
5045 | { | |
5046 | return decode_op_hdr(xdr, OP_RESTOREFH); | |
5047 | } | |
5048 | ||
029d105e | 5049 | static int decode_getacl(struct xdr_stream *xdr, struct rpc_rqst *req, |
bf118a34 | 5050 | struct nfs_getaclres *res) |
029d105e | 5051 | { |
bf118a34 | 5052 | __be32 *savep, *bm_p; |
029d105e | 5053 | uint32_t attrlen, |
dae100c2 | 5054 | bitmap[3] = {0}; |
029d105e BF |
5055 | struct kvec *iov = req->rq_rcv_buf.head; |
5056 | int status; | |
5057 | ||
bf118a34 | 5058 | res->acl_len = 0; |
029d105e BF |
5059 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
5060 | goto out; | |
bf118a34 | 5061 | bm_p = xdr->p; |
029d105e BF |
5062 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) |
5063 | goto out; | |
5064 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
5065 | goto out; | |
5066 | ||
5067 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACL - 1U))) | |
5068 | return -EIO; | |
5069 | if (likely(bitmap[0] & FATTR4_WORD0_ACL)) { | |
bcecff77 CL |
5070 | size_t hdrlen; |
5071 | u32 recvd; | |
029d105e | 5072 | |
bf118a34 AA |
5073 | /* The bitmap (xdr len + bitmaps) and the attr xdr len words |
5074 | * are stored with the acl data to handle the problem of | |
5075 | * variable length bitmaps.*/ | |
5076 | xdr->p = bm_p; | |
5077 | res->acl_data_offset = be32_to_cpup(bm_p) + 2; | |
5078 | res->acl_data_offset <<= 2; | |
5079 | ||
029d105e BF |
5080 | /* We ignore &savep and don't do consistency checks on |
5081 | * the attr length. Let userspace figure it out.... */ | |
5082 | hdrlen = (u8 *)xdr->p - (u8 *)iov->iov_base; | |
bf118a34 | 5083 | attrlen += res->acl_data_offset; |
029d105e BF |
5084 | recvd = req->rq_rcv_buf.len - hdrlen; |
5085 | if (attrlen > recvd) { | |
bf118a34 AA |
5086 | if (res->acl_flags & NFS4_ACL_LEN_REQUEST) { |
5087 | /* getxattr interface called with a NULL buf */ | |
5088 | res->acl_len = attrlen; | |
5089 | goto out; | |
5090 | } | |
5091 | dprintk("NFS: acl reply: attrlen %u > recvd %u\n", | |
029d105e BF |
5092 | attrlen, recvd); |
5093 | return -EINVAL; | |
5094 | } | |
c04871e6 | 5095 | xdr_read_pages(xdr, attrlen); |
bf118a34 | 5096 | res->acl_len = attrlen; |
8c233cf9 BF |
5097 | } else |
5098 | status = -EOPNOTSUPP; | |
029d105e BF |
5099 | |
5100 | out: | |
5101 | return status; | |
5102 | } | |
5103 | ||
1da177e4 LT |
5104 | static int |
5105 | decode_savefh(struct xdr_stream *xdr) | |
5106 | { | |
5107 | return decode_op_hdr(xdr, OP_SAVEFH); | |
5108 | } | |
5109 | ||
9e9ecc03 | 5110 | static int decode_setattr(struct xdr_stream *xdr) |
1da177e4 | 5111 | { |
8687b63a | 5112 | __be32 *p; |
1da177e4 LT |
5113 | uint32_t bmlen; |
5114 | int status; | |
5115 | ||
1da177e4 LT |
5116 | status = decode_op_hdr(xdr, OP_SETATTR); |
5117 | if (status) | |
5118 | return status; | |
c0eae66e BH |
5119 | p = xdr_inline_decode(xdr, 4); |
5120 | if (unlikely(!p)) | |
5121 | goto out_overflow; | |
cccddf4f | 5122 | bmlen = be32_to_cpup(p); |
c0eae66e BH |
5123 | p = xdr_inline_decode(xdr, bmlen << 2); |
5124 | if (likely(p)) | |
5125 | return 0; | |
5126 | out_overflow: | |
5127 | print_overflow_msg(__func__, xdr); | |
5128 | return -EIO; | |
1da177e4 LT |
5129 | } |
5130 | ||
bb8b27e5 | 5131 | static int decode_setclientid(struct xdr_stream *xdr, struct nfs4_setclientid_res *res) |
1da177e4 | 5132 | { |
8687b63a | 5133 | __be32 *p; |
1da177e4 LT |
5134 | uint32_t opnum; |
5135 | int32_t nfserr; | |
5136 | ||
c0eae66e BH |
5137 | p = xdr_inline_decode(xdr, 8); |
5138 | if (unlikely(!p)) | |
5139 | goto out_overflow; | |
6f723f77 | 5140 | opnum = be32_to_cpup(p++); |
1da177e4 | 5141 | if (opnum != OP_SETCLIENTID) { |
fe82a183 | 5142 | dprintk("nfs: decode_setclientid: Server returned operation" |
6c0195a4 | 5143 | " %d\n", opnum); |
1da177e4 LT |
5144 | return -EIO; |
5145 | } | |
cccddf4f | 5146 | nfserr = be32_to_cpup(p); |
1da177e4 | 5147 | if (nfserr == NFS_OK) { |
c0eae66e BH |
5148 | p = xdr_inline_decode(xdr, 8 + NFS4_VERIFIER_SIZE); |
5149 | if (unlikely(!p)) | |
5150 | goto out_overflow; | |
bb8b27e5 TM |
5151 | p = xdr_decode_hyper(p, &res->clientid); |
5152 | memcpy(res->confirm.data, p, NFS4_VERIFIER_SIZE); | |
1da177e4 LT |
5153 | } else if (nfserr == NFSERR_CLID_INUSE) { |
5154 | uint32_t len; | |
5155 | ||
5156 | /* skip netid string */ | |
c0eae66e BH |
5157 | p = xdr_inline_decode(xdr, 4); |
5158 | if (unlikely(!p)) | |
5159 | goto out_overflow; | |
cccddf4f | 5160 | len = be32_to_cpup(p); |
c0eae66e BH |
5161 | p = xdr_inline_decode(xdr, len); |
5162 | if (unlikely(!p)) | |
5163 | goto out_overflow; | |
1da177e4 LT |
5164 | |
5165 | /* skip uaddr string */ | |
c0eae66e BH |
5166 | p = xdr_inline_decode(xdr, 4); |
5167 | if (unlikely(!p)) | |
5168 | goto out_overflow; | |
cccddf4f | 5169 | len = be32_to_cpup(p); |
c0eae66e BH |
5170 | p = xdr_inline_decode(xdr, len); |
5171 | if (unlikely(!p)) | |
5172 | goto out_overflow; | |
1da177e4 LT |
5173 | return -NFSERR_CLID_INUSE; |
5174 | } else | |
856dff3d | 5175 | return nfs4_stat_to_errno(nfserr); |
1da177e4 LT |
5176 | |
5177 | return 0; | |
c0eae66e BH |
5178 | out_overflow: |
5179 | print_overflow_msg(__func__, xdr); | |
5180 | return -EIO; | |
1da177e4 LT |
5181 | } |
5182 | ||
5183 | static int decode_setclientid_confirm(struct xdr_stream *xdr) | |
5184 | { | |
5185 | return decode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM); | |
5186 | } | |
5187 | ||
5188 | static int decode_write(struct xdr_stream *xdr, struct nfs_writeres *res) | |
5189 | { | |
8687b63a | 5190 | __be32 *p; |
1da177e4 LT |
5191 | int status; |
5192 | ||
5193 | status = decode_op_hdr(xdr, OP_WRITE); | |
5194 | if (status) | |
5195 | return status; | |
5196 | ||
c0eae66e BH |
5197 | p = xdr_inline_decode(xdr, 16); |
5198 | if (unlikely(!p)) | |
5199 | goto out_overflow; | |
6f723f77 BH |
5200 | res->count = be32_to_cpup(p++); |
5201 | res->verf->committed = be32_to_cpup(p++); | |
99398d06 | 5202 | memcpy(res->verf->verifier, p, 8); |
1da177e4 | 5203 | return 0; |
c0eae66e BH |
5204 | out_overflow: |
5205 | print_overflow_msg(__func__, xdr); | |
5206 | return -EIO; | |
1da177e4 LT |
5207 | } |
5208 | ||
5209 | static int decode_delegreturn(struct xdr_stream *xdr) | |
5210 | { | |
5211 | return decode_op_hdr(xdr, OP_DELEGRETURN); | |
5212 | } | |
5213 | ||
5a5ea0d4 BS |
5214 | static int decode_secinfo_gss(struct xdr_stream *xdr, struct nfs4_secinfo_flavor *flavor) |
5215 | { | |
5216 | __be32 *p; | |
5217 | ||
5218 | p = xdr_inline_decode(xdr, 4); | |
5219 | if (unlikely(!p)) | |
5220 | goto out_overflow; | |
5221 | flavor->gss.sec_oid4.len = be32_to_cpup(p); | |
5222 | if (flavor->gss.sec_oid4.len > GSS_OID_MAX_LEN) | |
5223 | goto out_err; | |
5224 | ||
5225 | p = xdr_inline_decode(xdr, flavor->gss.sec_oid4.len); | |
5226 | if (unlikely(!p)) | |
5227 | goto out_overflow; | |
5228 | memcpy(flavor->gss.sec_oid4.data, p, flavor->gss.sec_oid4.len); | |
5229 | ||
5230 | p = xdr_inline_decode(xdr, 8); | |
5231 | if (unlikely(!p)) | |
5232 | goto out_overflow; | |
5233 | flavor->gss.qop4 = be32_to_cpup(p++); | |
5234 | flavor->gss.service = be32_to_cpup(p); | |
5235 | ||
5236 | return 0; | |
5237 | ||
5238 | out_overflow: | |
5239 | print_overflow_msg(__func__, xdr); | |
5240 | return -EIO; | |
5241 | out_err: | |
5242 | return -EINVAL; | |
5243 | } | |
5244 | ||
5245 | static int decode_secinfo(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) | |
5246 | { | |
5247 | struct nfs4_secinfo_flavor *sec_flavor; | |
5248 | int status; | |
5249 | __be32 *p; | |
c3dfc280 | 5250 | int i, num_flavors; |
5a5ea0d4 BS |
5251 | |
5252 | status = decode_op_hdr(xdr, OP_SECINFO); | |
613e901e BS |
5253 | if (status) |
5254 | goto out; | |
5a5ea0d4 BS |
5255 | p = xdr_inline_decode(xdr, 4); |
5256 | if (unlikely(!p)) | |
5257 | goto out_overflow; | |
5a5ea0d4 | 5258 | |
c3dfc280 BS |
5259 | res->flavors->num_flavors = 0; |
5260 | num_flavors = be32_to_cpup(p); | |
5261 | ||
5262 | for (i = 0; i < num_flavors; i++) { | |
5a5ea0d4 | 5263 | sec_flavor = &res->flavors->flavors[i]; |
c3dfc280 | 5264 | if ((char *)&sec_flavor[1] - (char *)res->flavors > PAGE_SIZE) |
5a5ea0d4 BS |
5265 | break; |
5266 | ||
5267 | p = xdr_inline_decode(xdr, 4); | |
5268 | if (unlikely(!p)) | |
5269 | goto out_overflow; | |
5270 | sec_flavor->flavor = be32_to_cpup(p); | |
5271 | ||
5272 | if (sec_flavor->flavor == RPC_AUTH_GSS) { | |
613e901e BS |
5273 | status = decode_secinfo_gss(xdr, sec_flavor); |
5274 | if (status) | |
5275 | goto out; | |
5a5ea0d4 | 5276 | } |
c3dfc280 | 5277 | res->flavors->num_flavors++; |
5a5ea0d4 BS |
5278 | } |
5279 | ||
613e901e BS |
5280 | out: |
5281 | return status; | |
5a5ea0d4 BS |
5282 | out_overflow: |
5283 | print_overflow_msg(__func__, xdr); | |
5284 | return -EIO; | |
5285 | } | |
5286 | ||
99fe60d0 BH |
5287 | #if defined(CONFIG_NFS_V4_1) |
5288 | static int decode_exchange_id(struct xdr_stream *xdr, | |
5289 | struct nfs41_exchange_id_res *res) | |
5290 | { | |
5291 | __be32 *p; | |
5292 | uint32_t dummy; | |
2460ba57 | 5293 | char *dummy_str; |
99fe60d0 BH |
5294 | int status; |
5295 | struct nfs_client *clp = res->client; | |
7d2ed9ac | 5296 | uint32_t impl_id_count; |
99fe60d0 BH |
5297 | |
5298 | status = decode_op_hdr(xdr, OP_EXCHANGE_ID); | |
5299 | if (status) | |
5300 | return status; | |
5301 | ||
c0eae66e BH |
5302 | p = xdr_inline_decode(xdr, 8); |
5303 | if (unlikely(!p)) | |
5304 | goto out_overflow; | |
114f64b5 | 5305 | xdr_decode_hyper(p, &clp->cl_clientid); |
c0eae66e BH |
5306 | p = xdr_inline_decode(xdr, 12); |
5307 | if (unlikely(!p)) | |
5308 | goto out_overflow; | |
6f723f77 BH |
5309 | clp->cl_seqid = be32_to_cpup(p++); |
5310 | clp->cl_exchange_flags = be32_to_cpup(p++); | |
99fe60d0 BH |
5311 | |
5312 | /* We ask for SP4_NONE */ | |
cccddf4f | 5313 | dummy = be32_to_cpup(p); |
99fe60d0 BH |
5314 | if (dummy != SP4_NONE) |
5315 | return -EIO; | |
5316 | ||
5317 | /* Throw away minor_id */ | |
c0eae66e BH |
5318 | p = xdr_inline_decode(xdr, 8); |
5319 | if (unlikely(!p)) | |
5320 | goto out_overflow; | |
99fe60d0 BH |
5321 | |
5322 | /* Throw away Major id */ | |
2460ba57 BH |
5323 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
5324 | if (unlikely(status)) | |
5325 | return status; | |
99fe60d0 | 5326 | |
78fe0f41 | 5327 | /* Save server_scope */ |
2460ba57 BH |
5328 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
5329 | if (unlikely(status)) | |
5330 | return status; | |
99fe60d0 | 5331 | |
78fe0f41 WAA |
5332 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) |
5333 | return -EIO; | |
5334 | ||
5335 | memcpy(res->server_scope->server_scope, dummy_str, dummy); | |
5336 | res->server_scope->server_scope_sz = dummy; | |
5337 | ||
7d2ed9ac WAA |
5338 | /* Implementation Id */ |
5339 | p = xdr_inline_decode(xdr, 4); | |
5340 | if (unlikely(!p)) | |
5341 | goto out_overflow; | |
5342 | impl_id_count = be32_to_cpup(p++); | |
99fe60d0 | 5343 | |
7d2ed9ac WAA |
5344 | if (impl_id_count) { |
5345 | /* nii_domain */ | |
5346 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); | |
5347 | if (unlikely(status)) | |
5348 | return status; | |
5349 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) | |
5350 | return -EIO; | |
5351 | memcpy(res->impl_id->domain, dummy_str, dummy); | |
5352 | ||
5353 | /* nii_name */ | |
5354 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); | |
5355 | if (unlikely(status)) | |
5356 | return status; | |
5357 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) | |
5358 | return -EIO; | |
5359 | memcpy(res->impl_id->name, dummy_str, dummy); | |
5360 | ||
5361 | /* nii_date */ | |
5362 | p = xdr_inline_decode(xdr, 12); | |
5363 | if (unlikely(!p)) | |
5364 | goto out_overflow; | |
5365 | p = xdr_decode_hyper(p, &res->impl_id->date.seconds); | |
5366 | res->impl_id->date.nseconds = be32_to_cpup(p); | |
5367 | ||
5368 | /* if there's more than one entry, ignore the rest */ | |
5369 | } | |
99fe60d0 | 5370 | return 0; |
c0eae66e BH |
5371 | out_overflow: |
5372 | print_overflow_msg(__func__, xdr); | |
5373 | return -EIO; | |
99fe60d0 | 5374 | } |
fc931582 AA |
5375 | |
5376 | static int decode_chan_attrs(struct xdr_stream *xdr, | |
5377 | struct nfs4_channel_attrs *attrs) | |
5378 | { | |
5379 | __be32 *p; | |
c9c30dd5 | 5380 | u32 nr_attrs, val; |
fc931582 | 5381 | |
c0eae66e BH |
5382 | p = xdr_inline_decode(xdr, 28); |
5383 | if (unlikely(!p)) | |
5384 | goto out_overflow; | |
c9c30dd5 BH |
5385 | val = be32_to_cpup(p++); /* headerpadsz */ |
5386 | if (val) | |
5387 | return -EINVAL; /* no support for header padding yet */ | |
6f723f77 BH |
5388 | attrs->max_rqst_sz = be32_to_cpup(p++); |
5389 | attrs->max_resp_sz = be32_to_cpup(p++); | |
5390 | attrs->max_resp_sz_cached = be32_to_cpup(p++); | |
5391 | attrs->max_ops = be32_to_cpup(p++); | |
5392 | attrs->max_reqs = be32_to_cpup(p++); | |
cccddf4f | 5393 | nr_attrs = be32_to_cpup(p); |
fc931582 | 5394 | if (unlikely(nr_attrs > 1)) { |
a030889a WAA |
5395 | printk(KERN_WARNING "NFS: %s: Invalid rdma channel attrs " |
5396 | "count %u\n", __func__, nr_attrs); | |
fc931582 AA |
5397 | return -EINVAL; |
5398 | } | |
c0eae66e BH |
5399 | if (nr_attrs == 1) { |
5400 | p = xdr_inline_decode(xdr, 4); /* skip rdma_attrs */ | |
5401 | if (unlikely(!p)) | |
5402 | goto out_overflow; | |
5403 | } | |
fc931582 | 5404 | return 0; |
c0eae66e BH |
5405 | out_overflow: |
5406 | print_overflow_msg(__func__, xdr); | |
5407 | return -EIO; | |
fc931582 AA |
5408 | } |
5409 | ||
e78291e4 BH |
5410 | static int decode_sessionid(struct xdr_stream *xdr, struct nfs4_sessionid *sid) |
5411 | { | |
5412 | return decode_opaque_fixed(xdr, sid->data, NFS4_MAX_SESSIONID_LEN); | |
fc931582 AA |
5413 | } |
5414 | ||
5415 | static int decode_create_session(struct xdr_stream *xdr, | |
5416 | struct nfs41_create_session_res *res) | |
5417 | { | |
5418 | __be32 *p; | |
5419 | int status; | |
5420 | struct nfs_client *clp = res->client; | |
5421 | struct nfs4_session *session = clp->cl_session; | |
5422 | ||
5423 | status = decode_op_hdr(xdr, OP_CREATE_SESSION); | |
e78291e4 BH |
5424 | if (!status) |
5425 | status = decode_sessionid(xdr, &session->sess_id); | |
5426 | if (unlikely(status)) | |
fc931582 AA |
5427 | return status; |
5428 | ||
fc931582 | 5429 | /* seqid, flags */ |
c0eae66e BH |
5430 | p = xdr_inline_decode(xdr, 8); |
5431 | if (unlikely(!p)) | |
5432 | goto out_overflow; | |
6f723f77 | 5433 | clp->cl_seqid = be32_to_cpup(p++); |
cccddf4f | 5434 | session->flags = be32_to_cpup(p); |
fc931582 AA |
5435 | |
5436 | /* Channel attributes */ | |
5437 | status = decode_chan_attrs(xdr, &session->fc_attrs); | |
5438 | if (!status) | |
5439 | status = decode_chan_attrs(xdr, &session->bc_attrs); | |
5440 | return status; | |
c0eae66e BH |
5441 | out_overflow: |
5442 | print_overflow_msg(__func__, xdr); | |
5443 | return -EIO; | |
fc931582 | 5444 | } |
0f3e66c6 AA |
5445 | |
5446 | static int decode_destroy_session(struct xdr_stream *xdr, void *dummy) | |
5447 | { | |
5448 | return decode_op_hdr(xdr, OP_DESTROY_SESSION); | |
5449 | } | |
18019753 RL |
5450 | |
5451 | static int decode_reclaim_complete(struct xdr_stream *xdr, void *dummy) | |
5452 | { | |
5453 | return decode_op_hdr(xdr, OP_RECLAIM_COMPLETE); | |
5454 | } | |
99fe60d0 BH |
5455 | #endif /* CONFIG_NFS_V4_1 */ |
5456 | ||
9b7b9fcc AA |
5457 | static int decode_sequence(struct xdr_stream *xdr, |
5458 | struct nfs4_sequence_res *res, | |
5459 | struct rpc_rqst *rqstp) | |
5460 | { | |
5461 | #if defined(CONFIG_NFS_V4_1) | |
fc01cea9 AA |
5462 | struct nfs4_sessionid id; |
5463 | u32 dummy; | |
5464 | int status; | |
5465 | __be32 *p; | |
5466 | ||
9b7b9fcc AA |
5467 | if (!res->sr_session) |
5468 | return 0; | |
5469 | ||
fc01cea9 | 5470 | status = decode_op_hdr(xdr, OP_SEQUENCE); |
e78291e4 BH |
5471 | if (!status) |
5472 | status = decode_sessionid(xdr, &id); | |
5473 | if (unlikely(status)) | |
fc01cea9 | 5474 | goto out_err; |
9b7b9fcc | 5475 | |
fc01cea9 AA |
5476 | /* |
5477 | * If the server returns different values for sessionID, slotID or | |
5478 | * sequence number, the server is looney tunes. | |
5479 | */ | |
fdcb4577 | 5480 | status = -EREMOTEIO; |
fc01cea9 | 5481 | |
fc01cea9 AA |
5482 | if (memcmp(id.data, res->sr_session->sess_id.data, |
5483 | NFS4_MAX_SESSIONID_LEN)) { | |
5484 | dprintk("%s Invalid session id\n", __func__); | |
5485 | goto out_err; | |
5486 | } | |
e78291e4 | 5487 | |
c0eae66e BH |
5488 | p = xdr_inline_decode(xdr, 20); |
5489 | if (unlikely(!p)) | |
5490 | goto out_overflow; | |
e78291e4 | 5491 | |
fc01cea9 | 5492 | /* seqid */ |
6f723f77 | 5493 | dummy = be32_to_cpup(p++); |
dfb4f309 | 5494 | if (dummy != res->sr_slot->seq_nr) { |
fc01cea9 AA |
5495 | dprintk("%s Invalid sequence number\n", __func__); |
5496 | goto out_err; | |
5497 | } | |
5498 | /* slot id */ | |
6f723f77 | 5499 | dummy = be32_to_cpup(p++); |
dfb4f309 | 5500 | if (dummy != res->sr_slot - res->sr_session->fc_slot_table.slots) { |
fc01cea9 AA |
5501 | dprintk("%s Invalid slot id\n", __func__); |
5502 | goto out_err; | |
5503 | } | |
5504 | /* highest slot id - currently not processed */ | |
6f723f77 | 5505 | dummy = be32_to_cpup(p++); |
fc01cea9 | 5506 | /* target highest slot id - currently not processed */ |
6f723f77 | 5507 | dummy = be32_to_cpup(p++); |
0629e370 AB |
5508 | /* result flags */ |
5509 | res->sr_status_flags = be32_to_cpup(p); | |
fc01cea9 AA |
5510 | status = 0; |
5511 | out_err: | |
5512 | res->sr_status = status; | |
5513 | return status; | |
c0eae66e BH |
5514 | out_overflow: |
5515 | print_overflow_msg(__func__, xdr); | |
5516 | status = -EIO; | |
5517 | goto out_err; | |
fc01cea9 | 5518 | #else /* CONFIG_NFS_V4_1 */ |
9b7b9fcc | 5519 | return 0; |
fc01cea9 | 5520 | #endif /* CONFIG_NFS_V4_1 */ |
9b7b9fcc AA |
5521 | } |
5522 | ||
b1f69b75 | 5523 | #if defined(CONFIG_NFS_V4_1) |
7f11d8d3 AA |
5524 | /* |
5525 | * TODO: Need to handle case when EOF != true; | |
5526 | */ | |
5527 | static int decode_getdevicelist(struct xdr_stream *xdr, | |
5528 | struct pnfs_devicelist *res) | |
5529 | { | |
5530 | __be32 *p; | |
5531 | int status, i; | |
5532 | struct nfs_writeverf verftemp; | |
5533 | ||
5534 | status = decode_op_hdr(xdr, OP_GETDEVICELIST); | |
5535 | if (status) | |
5536 | return status; | |
5537 | ||
5538 | p = xdr_inline_decode(xdr, 8 + 8 + 4); | |
5539 | if (unlikely(!p)) | |
5540 | goto out_overflow; | |
5541 | ||
5542 | /* TODO: Skip cookie for now */ | |
5543 | p += 2; | |
5544 | ||
5545 | /* Read verifier */ | |
5546 | p = xdr_decode_opaque_fixed(p, verftemp.verifier, 8); | |
5547 | ||
5548 | res->num_devs = be32_to_cpup(p); | |
5549 | ||
5550 | dprintk("%s: num_dev %d\n", __func__, res->num_devs); | |
5551 | ||
5552 | if (res->num_devs > NFS4_PNFS_GETDEVLIST_MAXNUM) { | |
a030889a | 5553 | printk(KERN_ERR "NFS: %s too many result dev_num %u\n", |
7f11d8d3 AA |
5554 | __func__, res->num_devs); |
5555 | return -EIO; | |
5556 | } | |
5557 | ||
5558 | p = xdr_inline_decode(xdr, | |
5559 | res->num_devs * NFS4_DEVICEID4_SIZE + 4); | |
5560 | if (unlikely(!p)) | |
5561 | goto out_overflow; | |
5562 | for (i = 0; i < res->num_devs; i++) | |
5563 | p = xdr_decode_opaque_fixed(p, res->dev_id[i].data, | |
5564 | NFS4_DEVICEID4_SIZE); | |
5565 | res->eof = be32_to_cpup(p); | |
5566 | return 0; | |
5567 | out_overflow: | |
5568 | print_overflow_msg(__func__, xdr); | |
5569 | return -EIO; | |
5570 | } | |
b1f69b75 AA |
5571 | |
5572 | static int decode_getdeviceinfo(struct xdr_stream *xdr, | |
5573 | struct pnfs_device *pdev) | |
5574 | { | |
5575 | __be32 *p; | |
5576 | uint32_t len, type; | |
5577 | int status; | |
5578 | ||
5579 | status = decode_op_hdr(xdr, OP_GETDEVICEINFO); | |
5580 | if (status) { | |
5581 | if (status == -ETOOSMALL) { | |
5582 | p = xdr_inline_decode(xdr, 4); | |
5583 | if (unlikely(!p)) | |
5584 | goto out_overflow; | |
5585 | pdev->mincount = be32_to_cpup(p); | |
5586 | dprintk("%s: Min count too small. mincnt = %u\n", | |
5587 | __func__, pdev->mincount); | |
5588 | } | |
5589 | return status; | |
5590 | } | |
5591 | ||
5592 | p = xdr_inline_decode(xdr, 8); | |
5593 | if (unlikely(!p)) | |
5594 | goto out_overflow; | |
5595 | type = be32_to_cpup(p++); | |
5596 | if (type != pdev->layout_type) { | |
5597 | dprintk("%s: layout mismatch req: %u pdev: %u\n", | |
5598 | __func__, pdev->layout_type, type); | |
5599 | return -EINVAL; | |
5600 | } | |
5601 | /* | |
5602 | * Get the length of the opaque device_addr4. xdr_read_pages places | |
5603 | * the opaque device_addr4 in the xdr_buf->pages (pnfs_device->pages) | |
5604 | * and places the remaining xdr data in xdr_buf->tail | |
5605 | */ | |
5606 | pdev->mincount = be32_to_cpup(p); | |
5607 | xdr_read_pages(xdr, pdev->mincount); /* include space for the length */ | |
5608 | ||
5609 | /* Parse notification bitmap, verifying that it is zero. */ | |
5610 | p = xdr_inline_decode(xdr, 4); | |
5611 | if (unlikely(!p)) | |
5612 | goto out_overflow; | |
5613 | len = be32_to_cpup(p); | |
5614 | if (len) { | |
ead00597 | 5615 | uint32_t i; |
b1f69b75 AA |
5616 | |
5617 | p = xdr_inline_decode(xdr, 4 * len); | |
5618 | if (unlikely(!p)) | |
5619 | goto out_overflow; | |
5620 | for (i = 0; i < len; i++, p++) { | |
5621 | if (be32_to_cpup(p)) { | |
5622 | dprintk("%s: notifications not supported\n", | |
5623 | __func__); | |
5624 | return -EIO; | |
5625 | } | |
5626 | } | |
5627 | } | |
5628 | return 0; | |
5629 | out_overflow: | |
5630 | print_overflow_msg(__func__, xdr); | |
5631 | return -EIO; | |
5632 | } | |
5633 | ||
5634 | static int decode_layoutget(struct xdr_stream *xdr, struct rpc_rqst *req, | |
5635 | struct nfs4_layoutget_res *res) | |
5636 | { | |
5637 | __be32 *p; | |
5638 | int status; | |
5639 | u32 layout_count; | |
35124a09 WAA |
5640 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; |
5641 | struct kvec *iov = rcvbuf->head; | |
5642 | u32 hdrlen, recvd; | |
b1f69b75 AA |
5643 | |
5644 | status = decode_op_hdr(xdr, OP_LAYOUTGET); | |
5645 | if (status) | |
5646 | return status; | |
ea9d23f5 TM |
5647 | p = xdr_inline_decode(xdr, 4); |
5648 | if (unlikely(!p)) | |
5649 | goto out_overflow; | |
5650 | res->return_on_close = be32_to_cpup(p); | |
5651 | decode_stateid(xdr, &res->stateid); | |
5652 | p = xdr_inline_decode(xdr, 4); | |
b1f69b75 AA |
5653 | if (unlikely(!p)) |
5654 | goto out_overflow; | |
b1f69b75 AA |
5655 | layout_count = be32_to_cpup(p); |
5656 | if (!layout_count) { | |
5657 | dprintk("%s: server responded with empty layout array\n", | |
5658 | __func__); | |
5659 | return -EINVAL; | |
5660 | } | |
5661 | ||
35124a09 | 5662 | p = xdr_inline_decode(xdr, 28); |
b1f69b75 AA |
5663 | if (unlikely(!p)) |
5664 | goto out_overflow; | |
5665 | p = xdr_decode_hyper(p, &res->range.offset); | |
5666 | p = xdr_decode_hyper(p, &res->range.length); | |
5667 | res->range.iomode = be32_to_cpup(p++); | |
5668 | res->type = be32_to_cpup(p++); | |
35124a09 | 5669 | res->layoutp->len = be32_to_cpup(p); |
b1f69b75 AA |
5670 | |
5671 | dprintk("%s roff:%lu rlen:%lu riomode:%d, lo_type:0x%x, lo.len:%d\n", | |
5672 | __func__, | |
5673 | (unsigned long)res->range.offset, | |
5674 | (unsigned long)res->range.length, | |
5675 | res->range.iomode, | |
5676 | res->type, | |
35124a09 WAA |
5677 | res->layoutp->len); |
5678 | ||
5679 | hdrlen = (u8 *) xdr->p - (u8 *) iov->iov_base; | |
5680 | recvd = req->rq_rcv_buf.len - hdrlen; | |
5681 | if (res->layoutp->len > recvd) { | |
5682 | dprintk("NFS: server cheating in layoutget reply: " | |
5683 | "layout len %u > recvd %u\n", | |
5684 | res->layoutp->len, recvd); | |
5685 | return -EINVAL; | |
5686 | } | |
b1f69b75 | 5687 | |
35124a09 | 5688 | xdr_read_pages(xdr, res->layoutp->len); |
b1f69b75 AA |
5689 | |
5690 | if (layout_count > 1) { | |
5691 | /* We only handle a length one array at the moment. Any | |
5692 | * further entries are just ignored. Note that this means | |
5693 | * the client may see a response that is less than the | |
5694 | * minimum it requested. | |
5695 | */ | |
5696 | dprintk("%s: server responded with %d layouts, dropping tail\n", | |
5697 | __func__, layout_count); | |
5698 | } | |
5699 | ||
5700 | return 0; | |
5701 | out_overflow: | |
5702 | print_overflow_msg(__func__, xdr); | |
5703 | return -EIO; | |
5704 | } | |
863a3c6c | 5705 | |
cbe82603 BH |
5706 | static int decode_layoutreturn(struct xdr_stream *xdr, |
5707 | struct nfs4_layoutreturn_res *res) | |
5708 | { | |
5709 | __be32 *p; | |
5710 | int status; | |
5711 | ||
5712 | status = decode_op_hdr(xdr, OP_LAYOUTRETURN); | |
5713 | if (status) | |
5714 | return status; | |
5715 | p = xdr_inline_decode(xdr, 4); | |
5716 | if (unlikely(!p)) | |
5717 | goto out_overflow; | |
5718 | res->lrs_present = be32_to_cpup(p); | |
5719 | if (res->lrs_present) | |
5720 | status = decode_stateid(xdr, &res->stateid); | |
5721 | return status; | |
5722 | out_overflow: | |
5723 | print_overflow_msg(__func__, xdr); | |
5724 | return -EIO; | |
5725 | } | |
5726 | ||
863a3c6c AA |
5727 | static int decode_layoutcommit(struct xdr_stream *xdr, |
5728 | struct rpc_rqst *req, | |
5729 | struct nfs4_layoutcommit_res *res) | |
5730 | { | |
5731 | __be32 *p; | |
5732 | __u32 sizechanged; | |
5733 | int status; | |
5734 | ||
5735 | status = decode_op_hdr(xdr, OP_LAYOUTCOMMIT); | |
db29c089 | 5736 | res->status = status; |
863a3c6c AA |
5737 | if (status) |
5738 | return status; | |
5739 | ||
5740 | p = xdr_inline_decode(xdr, 4); | |
5741 | if (unlikely(!p)) | |
5742 | goto out_overflow; | |
5743 | sizechanged = be32_to_cpup(p); | |
5744 | ||
5745 | if (sizechanged) { | |
5746 | /* throw away new size */ | |
5747 | p = xdr_inline_decode(xdr, 8); | |
5748 | if (unlikely(!p)) | |
5749 | goto out_overflow; | |
5750 | } | |
5751 | return 0; | |
5752 | out_overflow: | |
5753 | print_overflow_msg(__func__, xdr); | |
5754 | return -EIO; | |
5755 | } | |
7d974794 BS |
5756 | |
5757 | static int decode_test_stateid(struct xdr_stream *xdr, | |
5758 | struct nfs41_test_stateid_res *res) | |
5759 | { | |
5760 | __be32 *p; | |
5761 | int status; | |
5762 | int num_res; | |
5763 | ||
5764 | status = decode_op_hdr(xdr, OP_TEST_STATEID); | |
5765 | if (status) | |
5766 | return status; | |
5767 | ||
5768 | p = xdr_inline_decode(xdr, 4); | |
5769 | if (unlikely(!p)) | |
5770 | goto out_overflow; | |
5771 | num_res = be32_to_cpup(p++); | |
5772 | if (num_res != 1) | |
5773 | goto out; | |
5774 | ||
5775 | p = xdr_inline_decode(xdr, 4); | |
5776 | if (unlikely(!p)) | |
5777 | goto out_overflow; | |
5778 | res->status = be32_to_cpup(p++); | |
1cab0652 BS |
5779 | |
5780 | return status; | |
7d974794 BS |
5781 | out_overflow: |
5782 | print_overflow_msg(__func__, xdr); | |
5783 | out: | |
5784 | return -EIO; | |
5785 | } | |
9aeda35f BS |
5786 | |
5787 | static int decode_free_stateid(struct xdr_stream *xdr, | |
5788 | struct nfs41_free_stateid_res *res) | |
5789 | { | |
5790 | __be32 *p; | |
5791 | int status; | |
5792 | ||
5793 | status = decode_op_hdr(xdr, OP_FREE_STATEID); | |
5794 | if (status) | |
5795 | return status; | |
5796 | ||
5797 | p = xdr_inline_decode(xdr, 4); | |
5798 | if (unlikely(!p)) | |
5799 | goto out_overflow; | |
5800 | res->status = be32_to_cpup(p++); | |
5801 | return res->status; | |
5802 | out_overflow: | |
5803 | print_overflow_msg(__func__, xdr); | |
5804 | return -EIO; | |
5805 | } | |
b1f69b75 AA |
5806 | #endif /* CONFIG_NFS_V4_1 */ |
5807 | ||
49c2559e BH |
5808 | /* |
5809 | * END OF "GENERIC" DECODE ROUTINES. | |
5810 | */ | |
5811 | ||
1da177e4 LT |
5812 | /* |
5813 | * Decode OPEN_DOWNGRADE response | |
5814 | */ | |
bf269551 CL |
5815 | static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst *rqstp, |
5816 | struct xdr_stream *xdr, | |
5817 | struct nfs_closeres *res) | |
1da177e4 | 5818 | { |
05d564fe AA |
5819 | struct compound_hdr hdr; |
5820 | int status; | |
5821 | ||
bf269551 | 5822 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5823 | if (status) |
5824 | goto out; | |
bf269551 | 5825 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
5826 | if (status) |
5827 | goto out; | |
bf269551 | 5828 | status = decode_putfh(xdr); |
05d564fe AA |
5829 | if (status) |
5830 | goto out; | |
bf269551 | 5831 | status = decode_open_downgrade(xdr, res); |
516a6af6 TM |
5832 | if (status != 0) |
5833 | goto out; | |
6926afd1 | 5834 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 | 5835 | out: |
05d564fe | 5836 | return status; |
1da177e4 LT |
5837 | } |
5838 | ||
1da177e4 LT |
5839 | /* |
5840 | * Decode ACCESS response | |
5841 | */ | |
bf269551 CL |
5842 | static int nfs4_xdr_dec_access(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5843 | struct nfs4_accessres *res) | |
1da177e4 | 5844 | { |
1da177e4 LT |
5845 | struct compound_hdr hdr; |
5846 | int status; | |
6c0195a4 | 5847 | |
bf269551 | 5848 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5849 | if (status) |
5850 | goto out; | |
bf269551 | 5851 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5852 | if (status) |
1da177e4 | 5853 | goto out; |
bf269551 | 5854 | status = decode_putfh(xdr); |
76b32999 TM |
5855 | if (status != 0) |
5856 | goto out; | |
bf269551 | 5857 | status = decode_access(xdr, res); |
76b32999 TM |
5858 | if (status != 0) |
5859 | goto out; | |
6926afd1 | 5860 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
5861 | out: |
5862 | return status; | |
5863 | } | |
5864 | ||
5865 | /* | |
5866 | * Decode LOOKUP response | |
5867 | */ | |
bf269551 CL |
5868 | static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5869 | struct nfs4_lookup_res *res) | |
1da177e4 | 5870 | { |
1da177e4 LT |
5871 | struct compound_hdr hdr; |
5872 | int status; | |
6c0195a4 | 5873 | |
bf269551 | 5874 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5875 | if (status) |
5876 | goto out; | |
bf269551 | 5877 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5878 | if (status) |
1da177e4 | 5879 | goto out; |
bf269551 CL |
5880 | status = decode_putfh(xdr); |
5881 | if (status) | |
1da177e4 | 5882 | goto out; |
bf269551 CL |
5883 | status = decode_lookup(xdr); |
5884 | if (status) | |
1da177e4 | 5885 | goto out; |
bf269551 CL |
5886 | status = decode_getfh(xdr, res->fh); |
5887 | if (status) | |
1da177e4 | 5888 | goto out; |
6926afd1 | 5889 | status = decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
5890 | out: |
5891 | return status; | |
5892 | } | |
5893 | ||
5894 | /* | |
5895 | * Decode LOOKUP_ROOT response | |
5896 | */ | |
bf269551 CL |
5897 | static int nfs4_xdr_dec_lookup_root(struct rpc_rqst *rqstp, |
5898 | struct xdr_stream *xdr, | |
5899 | struct nfs4_lookup_res *res) | |
1da177e4 | 5900 | { |
1da177e4 LT |
5901 | struct compound_hdr hdr; |
5902 | int status; | |
6c0195a4 | 5903 | |
bf269551 | 5904 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5905 | if (status) |
5906 | goto out; | |
bf269551 | 5907 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5908 | if (status) |
1da177e4 | 5909 | goto out; |
bf269551 CL |
5910 | status = decode_putrootfh(xdr); |
5911 | if (status) | |
1da177e4 | 5912 | goto out; |
bf269551 CL |
5913 | status = decode_getfh(xdr, res->fh); |
5914 | if (status == 0) | |
6926afd1 | 5915 | status = decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
5916 | out: |
5917 | return status; | |
5918 | } | |
5919 | ||
5920 | /* | |
5921 | * Decode REMOVE response | |
5922 | */ | |
bf269551 CL |
5923 | static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5924 | struct nfs_removeres *res) | |
1da177e4 | 5925 | { |
1da177e4 LT |
5926 | struct compound_hdr hdr; |
5927 | int status; | |
6c0195a4 | 5928 | |
bf269551 | 5929 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5930 | if (status) |
5931 | goto out; | |
bf269551 | 5932 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5933 | if (status) |
1da177e4 | 5934 | goto out; |
bf269551 CL |
5935 | status = decode_putfh(xdr); |
5936 | if (status) | |
16e42959 | 5937 | goto out; |
bf269551 CL |
5938 | status = decode_remove(xdr, &res->cinfo); |
5939 | if (status) | |
16e42959 | 5940 | goto out; |
6926afd1 | 5941 | decode_getfattr(xdr, res->dir_attr, res->server); |
1da177e4 LT |
5942 | out: |
5943 | return status; | |
5944 | } | |
5945 | ||
5946 | /* | |
5947 | * Decode RENAME response | |
5948 | */ | |
bf269551 CL |
5949 | static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5950 | struct nfs_renameres *res) | |
1da177e4 | 5951 | { |
1da177e4 LT |
5952 | struct compound_hdr hdr; |
5953 | int status; | |
6c0195a4 | 5954 | |
bf269551 | 5955 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5956 | if (status) |
5957 | goto out; | |
bf269551 | 5958 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5959 | if (status) |
1da177e4 | 5960 | goto out; |
bf269551 CL |
5961 | status = decode_putfh(xdr); |
5962 | if (status) | |
1da177e4 | 5963 | goto out; |
bf269551 CL |
5964 | status = decode_savefh(xdr); |
5965 | if (status) | |
1da177e4 | 5966 | goto out; |
bf269551 CL |
5967 | status = decode_putfh(xdr); |
5968 | if (status) | |
1da177e4 | 5969 | goto out; |
bf269551 CL |
5970 | status = decode_rename(xdr, &res->old_cinfo, &res->new_cinfo); |
5971 | if (status) | |
6caf2c82 TM |
5972 | goto out; |
5973 | /* Current FH is target directory */ | |
6926afd1 | 5974 | if (decode_getfattr(xdr, res->new_fattr, res->server)) |
6caf2c82 | 5975 | goto out; |
bf269551 CL |
5976 | status = decode_restorefh(xdr); |
5977 | if (status) | |
6caf2c82 | 5978 | goto out; |
6926afd1 | 5979 | decode_getfattr(xdr, res->old_fattr, res->server); |
1da177e4 LT |
5980 | out: |
5981 | return status; | |
5982 | } | |
5983 | ||
5984 | /* | |
5985 | * Decode LINK response | |
5986 | */ | |
bf269551 CL |
5987 | static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5988 | struct nfs4_link_res *res) | |
1da177e4 | 5989 | { |
1da177e4 LT |
5990 | struct compound_hdr hdr; |
5991 | int status; | |
6c0195a4 | 5992 | |
bf269551 | 5993 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5994 | if (status) |
5995 | goto out; | |
bf269551 | 5996 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5997 | if (status) |
1da177e4 | 5998 | goto out; |
bf269551 CL |
5999 | status = decode_putfh(xdr); |
6000 | if (status) | |
1da177e4 | 6001 | goto out; |
bf269551 CL |
6002 | status = decode_savefh(xdr); |
6003 | if (status) | |
1da177e4 | 6004 | goto out; |
bf269551 CL |
6005 | status = decode_putfh(xdr); |
6006 | if (status) | |
1da177e4 | 6007 | goto out; |
bf269551 CL |
6008 | status = decode_link(xdr, &res->cinfo); |
6009 | if (status) | |
91ba2eee TM |
6010 | goto out; |
6011 | /* | |
6012 | * Note order: OP_LINK leaves the directory as the current | |
6013 | * filehandle. | |
6014 | */ | |
6926afd1 | 6015 | if (decode_getfattr(xdr, res->dir_attr, res->server)) |
91ba2eee | 6016 | goto out; |
bf269551 CL |
6017 | status = decode_restorefh(xdr); |
6018 | if (status) | |
91ba2eee | 6019 | goto out; |
6926afd1 | 6020 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6021 | out: |
6022 | return status; | |
6023 | } | |
6024 | ||
6025 | /* | |
6026 | * Decode CREATE response | |
6027 | */ | |
bf269551 CL |
6028 | static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6029 | struct nfs4_create_res *res) | |
1da177e4 | 6030 | { |
1da177e4 LT |
6031 | struct compound_hdr hdr; |
6032 | int status; | |
6c0195a4 | 6033 | |
bf269551 | 6034 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6035 | if (status) |
6036 | goto out; | |
bf269551 | 6037 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6038 | if (status) |
1da177e4 | 6039 | goto out; |
bf269551 CL |
6040 | status = decode_putfh(xdr); |
6041 | if (status) | |
1da177e4 | 6042 | goto out; |
bf269551 CL |
6043 | status = decode_savefh(xdr); |
6044 | if (status) | |
56ae19f3 | 6045 | goto out; |
bf269551 CL |
6046 | status = decode_create(xdr, &res->dir_cinfo); |
6047 | if (status) | |
1da177e4 | 6048 | goto out; |
bf269551 CL |
6049 | status = decode_getfh(xdr, res->fh); |
6050 | if (status) | |
1da177e4 | 6051 | goto out; |
6926afd1 | 6052 | if (decode_getfattr(xdr, res->fattr, res->server)) |
56ae19f3 | 6053 | goto out; |
bf269551 CL |
6054 | status = decode_restorefh(xdr); |
6055 | if (status) | |
56ae19f3 | 6056 | goto out; |
6926afd1 | 6057 | decode_getfattr(xdr, res->dir_fattr, res->server); |
1da177e4 LT |
6058 | out: |
6059 | return status; | |
6060 | } | |
6061 | ||
6062 | /* | |
6063 | * Decode SYMLINK response | |
6064 | */ | |
bf269551 CL |
6065 | static int nfs4_xdr_dec_symlink(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6066 | struct nfs4_create_res *res) | |
1da177e4 | 6067 | { |
bf269551 | 6068 | return nfs4_xdr_dec_create(rqstp, xdr, res); |
1da177e4 LT |
6069 | } |
6070 | ||
6071 | /* | |
6072 | * Decode GETATTR response | |
6073 | */ | |
bf269551 CL |
6074 | static int nfs4_xdr_dec_getattr(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6075 | struct nfs4_getattr_res *res) | |
1da177e4 | 6076 | { |
1da177e4 LT |
6077 | struct compound_hdr hdr; |
6078 | int status; | |
6c0195a4 | 6079 | |
bf269551 | 6080 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6081 | if (status) |
6082 | goto out; | |
bf269551 | 6083 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6084 | if (status) |
6085 | goto out; | |
bf269551 | 6086 | status = decode_putfh(xdr); |
1da177e4 LT |
6087 | if (status) |
6088 | goto out; | |
6926afd1 | 6089 | status = decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6090 | out: |
6091 | return status; | |
1da177e4 LT |
6092 | } |
6093 | ||
23ec6965 BF |
6094 | /* |
6095 | * Encode an SETACL request | |
6096 | */ | |
9f06c719 CL |
6097 | static void nfs4_xdr_enc_setacl(struct rpc_rqst *req, struct xdr_stream *xdr, |
6098 | struct nfs_setaclargs *args) | |
23ec6965 | 6099 | { |
05d564fe | 6100 | struct compound_hdr hdr = { |
66cc0429 | 6101 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 6102 | }; |
05d564fe | 6103 | |
9f06c719 CL |
6104 | encode_compound_hdr(xdr, req, &hdr); |
6105 | encode_sequence(xdr, &args->seq_args, &hdr); | |
6106 | encode_putfh(xdr, args->fh, &hdr); | |
6107 | encode_setacl(xdr, args, &hdr); | |
d017931c | 6108 | encode_nops(&hdr); |
23ec6965 | 6109 | } |
05d564fe | 6110 | |
23ec6965 BF |
6111 | /* |
6112 | * Decode SETACL response | |
6113 | */ | |
6114 | static int | |
bf269551 | 6115 | nfs4_xdr_dec_setacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
73c403a9 | 6116 | struct nfs_setaclres *res) |
23ec6965 | 6117 | { |
23ec6965 BF |
6118 | struct compound_hdr hdr; |
6119 | int status; | |
6120 | ||
bf269551 | 6121 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6122 | if (status) |
6123 | goto out; | |
bf269551 | 6124 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
23ec6965 BF |
6125 | if (status) |
6126 | goto out; | |
bf269551 | 6127 | status = decode_putfh(xdr); |
23ec6965 BF |
6128 | if (status) |
6129 | goto out; | |
bf269551 | 6130 | status = decode_setattr(xdr); |
23ec6965 BF |
6131 | out: |
6132 | return status; | |
6133 | } | |
1da177e4 | 6134 | |
029d105e BF |
6135 | /* |
6136 | * Decode GETACL response | |
6137 | */ | |
6138 | static int | |
bf269551 | 6139 | nfs4_xdr_dec_getacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
663c79b3 | 6140 | struct nfs_getaclres *res) |
029d105e | 6141 | { |
029d105e BF |
6142 | struct compound_hdr hdr; |
6143 | int status; | |
6144 | ||
331818f1 TM |
6145 | if (res->acl_scratch != NULL) { |
6146 | void *p = page_address(res->acl_scratch); | |
6147 | xdr_set_scratch_buffer(xdr, p, PAGE_SIZE); | |
6148 | } | |
bf269551 | 6149 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6150 | if (status) |
6151 | goto out; | |
bf269551 | 6152 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
029d105e BF |
6153 | if (status) |
6154 | goto out; | |
bf269551 | 6155 | status = decode_putfh(xdr); |
029d105e BF |
6156 | if (status) |
6157 | goto out; | |
bf118a34 | 6158 | status = decode_getacl(xdr, rqstp, res); |
029d105e BF |
6159 | |
6160 | out: | |
6161 | return status; | |
6162 | } | |
6163 | ||
1da177e4 LT |
6164 | /* |
6165 | * Decode CLOSE response | |
6166 | */ | |
bf269551 CL |
6167 | static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6168 | struct nfs_closeres *res) | |
1da177e4 | 6169 | { |
05d564fe AA |
6170 | struct compound_hdr hdr; |
6171 | int status; | |
6172 | ||
bf269551 | 6173 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6174 | if (status) |
6175 | goto out; | |
bf269551 | 6176 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6177 | if (status) |
6178 | goto out; | |
bf269551 | 6179 | status = decode_putfh(xdr); |
05d564fe AA |
6180 | if (status) |
6181 | goto out; | |
bf269551 | 6182 | status = decode_close(xdr, res); |
516a6af6 TM |
6183 | if (status != 0) |
6184 | goto out; | |
6185 | /* | |
6186 | * Note: Server may do delete on close for this file | |
6187 | * in which case the getattr call will fail with | |
6188 | * an ESTALE error. Shouldn't be a problem, | |
6189 | * though, since fattr->valid will remain unset. | |
6190 | */ | |
6926afd1 | 6191 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 | 6192 | out: |
05d564fe | 6193 | return status; |
1da177e4 LT |
6194 | } |
6195 | ||
6196 | /* | |
6197 | * Decode OPEN response | |
6198 | */ | |
bf269551 CL |
6199 | static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6200 | struct nfs_openres *res) | |
1da177e4 | 6201 | { |
05d564fe AA |
6202 | struct compound_hdr hdr; |
6203 | int status; | |
6204 | ||
bf269551 | 6205 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6206 | if (status) |
6207 | goto out; | |
bf269551 | 6208 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6209 | if (status) |
6210 | goto out; | |
bf269551 | 6211 | status = decode_putfh(xdr); |
05d564fe AA |
6212 | if (status) |
6213 | goto out; | |
bf269551 | 6214 | status = decode_savefh(xdr); |
05d564fe AA |
6215 | if (status) |
6216 | goto out; | |
bf269551 | 6217 | status = decode_open(xdr, res); |
56ae19f3 TM |
6218 | if (status) |
6219 | goto out; | |
bf269551 | 6220 | if (decode_getfh(xdr, &res->fh) != 0) |
1da177e4 | 6221 | goto out; |
6926afd1 | 6222 | if (decode_getfattr(xdr, res->f_attr, res->server) != 0) |
56ae19f3 | 6223 | goto out; |
bf269551 | 6224 | if (decode_restorefh(xdr) != 0) |
56ae19f3 | 6225 | goto out; |
6926afd1 | 6226 | decode_getfattr(xdr, res->dir_attr, res->server); |
1da177e4 | 6227 | out: |
05d564fe | 6228 | return status; |
1da177e4 LT |
6229 | } |
6230 | ||
6231 | /* | |
6232 | * Decode OPEN_CONFIRM response | |
6233 | */ | |
bf269551 CL |
6234 | static int nfs4_xdr_dec_open_confirm(struct rpc_rqst *rqstp, |
6235 | struct xdr_stream *xdr, | |
6236 | struct nfs_open_confirmres *res) | |
1da177e4 | 6237 | { |
05d564fe AA |
6238 | struct compound_hdr hdr; |
6239 | int status; | |
6240 | ||
bf269551 | 6241 | status = decode_compound_hdr(xdr, &hdr); |
05d564fe AA |
6242 | if (status) |
6243 | goto out; | |
bf269551 | 6244 | status = decode_putfh(xdr); |
05d564fe AA |
6245 | if (status) |
6246 | goto out; | |
bf269551 | 6247 | status = decode_open_confirm(xdr, res); |
1da177e4 | 6248 | out: |
05d564fe | 6249 | return status; |
1da177e4 LT |
6250 | } |
6251 | ||
6252 | /* | |
6253 | * Decode OPEN response | |
6254 | */ | |
bf269551 CL |
6255 | static int nfs4_xdr_dec_open_noattr(struct rpc_rqst *rqstp, |
6256 | struct xdr_stream *xdr, | |
6257 | struct nfs_openres *res) | |
1da177e4 | 6258 | { |
05d564fe AA |
6259 | struct compound_hdr hdr; |
6260 | int status; | |
6261 | ||
bf269551 | 6262 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6263 | if (status) |
6264 | goto out; | |
bf269551 | 6265 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6266 | if (status) |
6267 | goto out; | |
bf269551 | 6268 | status = decode_putfh(xdr); |
05d564fe AA |
6269 | if (status) |
6270 | goto out; | |
bf269551 | 6271 | status = decode_open(xdr, res); |
05d564fe AA |
6272 | if (status) |
6273 | goto out; | |
6926afd1 | 6274 | decode_getfattr(xdr, res->f_attr, res->server); |
1da177e4 | 6275 | out: |
05d564fe | 6276 | return status; |
1da177e4 LT |
6277 | } |
6278 | ||
6279 | /* | |
6280 | * Decode SETATTR response | |
6281 | */ | |
bf269551 CL |
6282 | static int nfs4_xdr_dec_setattr(struct rpc_rqst *rqstp, |
6283 | struct xdr_stream *xdr, | |
6284 | struct nfs_setattrres *res) | |
1da177e4 | 6285 | { |
05d564fe AA |
6286 | struct compound_hdr hdr; |
6287 | int status; | |
6288 | ||
bf269551 | 6289 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6290 | if (status) |
6291 | goto out; | |
bf269551 | 6292 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6293 | if (status) |
6294 | goto out; | |
bf269551 | 6295 | status = decode_putfh(xdr); |
05d564fe AA |
6296 | if (status) |
6297 | goto out; | |
bf269551 | 6298 | status = decode_setattr(xdr); |
05d564fe AA |
6299 | if (status) |
6300 | goto out; | |
6926afd1 | 6301 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 | 6302 | out: |
05d564fe | 6303 | return status; |
1da177e4 LT |
6304 | } |
6305 | ||
6306 | /* | |
6307 | * Decode LOCK response | |
6308 | */ | |
bf269551 CL |
6309 | static int nfs4_xdr_dec_lock(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6310 | struct nfs_lock_res *res) | |
1da177e4 | 6311 | { |
1da177e4 LT |
6312 | struct compound_hdr hdr; |
6313 | int status; | |
6314 | ||
bf269551 | 6315 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6316 | if (status) |
6317 | goto out; | |
bf269551 | 6318 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6319 | if (status) |
6320 | goto out; | |
bf269551 | 6321 | status = decode_putfh(xdr); |
1da177e4 LT |
6322 | if (status) |
6323 | goto out; | |
bf269551 | 6324 | status = decode_lock(xdr, res); |
1da177e4 LT |
6325 | out: |
6326 | return status; | |
6327 | } | |
6328 | ||
6329 | /* | |
6330 | * Decode LOCKT response | |
6331 | */ | |
bf269551 CL |
6332 | static int nfs4_xdr_dec_lockt(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6333 | struct nfs_lockt_res *res) | |
1da177e4 | 6334 | { |
1da177e4 LT |
6335 | struct compound_hdr hdr; |
6336 | int status; | |
6337 | ||
bf269551 | 6338 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6339 | if (status) |
6340 | goto out; | |
bf269551 | 6341 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6342 | if (status) |
6343 | goto out; | |
bf269551 | 6344 | status = decode_putfh(xdr); |
1da177e4 LT |
6345 | if (status) |
6346 | goto out; | |
bf269551 | 6347 | status = decode_lockt(xdr, res); |
1da177e4 LT |
6348 | out: |
6349 | return status; | |
6350 | } | |
6351 | ||
6352 | /* | |
6353 | * Decode LOCKU response | |
6354 | */ | |
bf269551 CL |
6355 | static int nfs4_xdr_dec_locku(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6356 | struct nfs_locku_res *res) | |
1da177e4 | 6357 | { |
1da177e4 LT |
6358 | struct compound_hdr hdr; |
6359 | int status; | |
6360 | ||
bf269551 | 6361 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6362 | if (status) |
6363 | goto out; | |
bf269551 | 6364 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6365 | if (status) |
6366 | goto out; | |
bf269551 | 6367 | status = decode_putfh(xdr); |
1da177e4 LT |
6368 | if (status) |
6369 | goto out; | |
bf269551 | 6370 | status = decode_locku(xdr, res); |
1da177e4 LT |
6371 | out: |
6372 | return status; | |
6373 | } | |
6374 | ||
bf269551 CL |
6375 | static int nfs4_xdr_dec_release_lockowner(struct rpc_rqst *rqstp, |
6376 | struct xdr_stream *xdr, void *dummy) | |
d3c7b7cc | 6377 | { |
d3c7b7cc TM |
6378 | struct compound_hdr hdr; |
6379 | int status; | |
6380 | ||
bf269551 | 6381 | status = decode_compound_hdr(xdr, &hdr); |
d3c7b7cc | 6382 | if (!status) |
bf269551 | 6383 | status = decode_release_lockowner(xdr); |
d3c7b7cc TM |
6384 | return status; |
6385 | } | |
6386 | ||
1da177e4 LT |
6387 | /* |
6388 | * Decode READLINK response | |
6389 | */ | |
bf269551 CL |
6390 | static int nfs4_xdr_dec_readlink(struct rpc_rqst *rqstp, |
6391 | struct xdr_stream *xdr, | |
f50c7000 | 6392 | struct nfs4_readlink_res *res) |
1da177e4 | 6393 | { |
1da177e4 LT |
6394 | struct compound_hdr hdr; |
6395 | int status; | |
6396 | ||
bf269551 | 6397 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6398 | if (status) |
6399 | goto out; | |
bf269551 | 6400 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6401 | if (status) |
6402 | goto out; | |
bf269551 | 6403 | status = decode_putfh(xdr); |
1da177e4 LT |
6404 | if (status) |
6405 | goto out; | |
bf269551 | 6406 | status = decode_readlink(xdr, rqstp); |
1da177e4 LT |
6407 | out: |
6408 | return status; | |
6409 | } | |
6410 | ||
6411 | /* | |
6412 | * Decode READDIR response | |
6413 | */ | |
bf269551 CL |
6414 | static int nfs4_xdr_dec_readdir(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6415 | struct nfs4_readdir_res *res) | |
1da177e4 | 6416 | { |
1da177e4 LT |
6417 | struct compound_hdr hdr; |
6418 | int status; | |
6419 | ||
bf269551 | 6420 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6421 | if (status) |
6422 | goto out; | |
bf269551 | 6423 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6424 | if (status) |
6425 | goto out; | |
bf269551 | 6426 | status = decode_putfh(xdr); |
1da177e4 LT |
6427 | if (status) |
6428 | goto out; | |
bf269551 | 6429 | status = decode_readdir(xdr, rqstp, res); |
1da177e4 LT |
6430 | out: |
6431 | return status; | |
6432 | } | |
6433 | ||
6434 | /* | |
6435 | * Decode Read response | |
6436 | */ | |
bf269551 CL |
6437 | static int nfs4_xdr_dec_read(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6438 | struct nfs_readres *res) | |
1da177e4 | 6439 | { |
1da177e4 LT |
6440 | struct compound_hdr hdr; |
6441 | int status; | |
6442 | ||
bf269551 | 6443 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6444 | if (status) |
6445 | goto out; | |
bf269551 | 6446 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6447 | if (status) |
6448 | goto out; | |
bf269551 | 6449 | status = decode_putfh(xdr); |
1da177e4 LT |
6450 | if (status) |
6451 | goto out; | |
bf269551 | 6452 | status = decode_read(xdr, rqstp, res); |
1da177e4 LT |
6453 | if (!status) |
6454 | status = res->count; | |
6455 | out: | |
6456 | return status; | |
6457 | } | |
6458 | ||
6459 | /* | |
6460 | * Decode WRITE response | |
6461 | */ | |
bf269551 CL |
6462 | static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6463 | struct nfs_writeres *res) | |
1da177e4 | 6464 | { |
1da177e4 LT |
6465 | struct compound_hdr hdr; |
6466 | int status; | |
6467 | ||
bf269551 | 6468 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6469 | if (status) |
6470 | goto out; | |
bf269551 | 6471 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6472 | if (status) |
6473 | goto out; | |
bf269551 | 6474 | status = decode_putfh(xdr); |
1da177e4 LT |
6475 | if (status) |
6476 | goto out; | |
bf269551 | 6477 | status = decode_write(xdr, res); |
4f9838c7 TM |
6478 | if (status) |
6479 | goto out; | |
7ffd1064 | 6480 | if (res->fattr) |
6926afd1 | 6481 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6482 | if (!status) |
6483 | status = res->count; | |
6484 | out: | |
6485 | return status; | |
6486 | } | |
6487 | ||
6488 | /* | |
6489 | * Decode COMMIT response | |
6490 | */ | |
bf269551 CL |
6491 | static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6492 | struct nfs_writeres *res) | |
1da177e4 | 6493 | { |
1da177e4 LT |
6494 | struct compound_hdr hdr; |
6495 | int status; | |
6496 | ||
bf269551 | 6497 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6498 | if (status) |
6499 | goto out; | |
bf269551 | 6500 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6501 | if (status) |
6502 | goto out; | |
bf269551 | 6503 | status = decode_putfh(xdr); |
1da177e4 LT |
6504 | if (status) |
6505 | goto out; | |
bf269551 | 6506 | status = decode_commit(xdr, res); |
4f9838c7 TM |
6507 | if (status) |
6508 | goto out; | |
988b6dce | 6509 | if (res->fattr) |
6926afd1 | 6510 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6511 | out: |
6512 | return status; | |
6513 | } | |
6514 | ||
6515 | /* | |
8b173218 | 6516 | * Decode FSINFO response |
1da177e4 | 6517 | */ |
bf269551 | 6518 | static int nfs4_xdr_dec_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, |
3dda5e43 | 6519 | struct nfs4_fsinfo_res *res) |
1da177e4 | 6520 | { |
1da177e4 LT |
6521 | struct compound_hdr hdr; |
6522 | int status; | |
6523 | ||
bf269551 | 6524 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6525 | if (!status) |
bf269551 | 6526 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6527 | if (!status) |
bf269551 | 6528 | status = decode_putfh(xdr); |
1da177e4 | 6529 | if (!status) |
bf269551 | 6530 | status = decode_fsinfo(xdr, res->fsinfo); |
1da177e4 LT |
6531 | return status; |
6532 | } | |
6533 | ||
6534 | /* | |
8b173218 | 6535 | * Decode PATHCONF response |
1da177e4 | 6536 | */ |
bf269551 | 6537 | static int nfs4_xdr_dec_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, |
d45b2989 | 6538 | struct nfs4_pathconf_res *res) |
1da177e4 | 6539 | { |
1da177e4 LT |
6540 | struct compound_hdr hdr; |
6541 | int status; | |
6542 | ||
bf269551 | 6543 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6544 | if (!status) |
bf269551 | 6545 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6546 | if (!status) |
bf269551 | 6547 | status = decode_putfh(xdr); |
1da177e4 | 6548 | if (!status) |
bf269551 | 6549 | status = decode_pathconf(xdr, res->pathconf); |
1da177e4 LT |
6550 | return status; |
6551 | } | |
6552 | ||
6553 | /* | |
8b173218 | 6554 | * Decode STATFS response |
1da177e4 | 6555 | */ |
bf269551 | 6556 | static int nfs4_xdr_dec_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, |
24ad148a | 6557 | struct nfs4_statfs_res *res) |
1da177e4 | 6558 | { |
1da177e4 LT |
6559 | struct compound_hdr hdr; |
6560 | int status; | |
6561 | ||
bf269551 | 6562 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6563 | if (!status) |
bf269551 | 6564 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6565 | if (!status) |
bf269551 | 6566 | status = decode_putfh(xdr); |
1da177e4 | 6567 | if (!status) |
bf269551 | 6568 | status = decode_statfs(xdr, res->fsstat); |
1da177e4 LT |
6569 | return status; |
6570 | } | |
6571 | ||
6572 | /* | |
8b173218 | 6573 | * Decode GETATTR_BITMAP response |
1da177e4 | 6574 | */ |
bf269551 CL |
6575 | static int nfs4_xdr_dec_server_caps(struct rpc_rqst *req, |
6576 | struct xdr_stream *xdr, | |
6577 | struct nfs4_server_caps_res *res) | |
1da177e4 | 6578 | { |
1da177e4 LT |
6579 | struct compound_hdr hdr; |
6580 | int status; | |
6581 | ||
bf269551 | 6582 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6583 | if (status) |
6584 | goto out; | |
bf269551 | 6585 | status = decode_sequence(xdr, &res->seq_res, req); |
9b7b9fcc | 6586 | if (status) |
1da177e4 | 6587 | goto out; |
bf269551 CL |
6588 | status = decode_putfh(xdr); |
6589 | if (status) | |
1da177e4 | 6590 | goto out; |
bf269551 | 6591 | status = decode_server_caps(xdr, res); |
1da177e4 LT |
6592 | out: |
6593 | return status; | |
6594 | } | |
6595 | ||
6596 | /* | |
6597 | * Decode RENEW response | |
6598 | */ | |
bf269551 CL |
6599 | static int nfs4_xdr_dec_renew(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6600 | void *__unused) | |
1da177e4 | 6601 | { |
1da177e4 LT |
6602 | struct compound_hdr hdr; |
6603 | int status; | |
6604 | ||
bf269551 | 6605 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6606 | if (!status) |
bf269551 | 6607 | status = decode_renew(xdr); |
1da177e4 LT |
6608 | return status; |
6609 | } | |
6610 | ||
6611 | /* | |
8b173218 | 6612 | * Decode SETCLIENTID response |
1da177e4 | 6613 | */ |
bf269551 CL |
6614 | static int nfs4_xdr_dec_setclientid(struct rpc_rqst *req, |
6615 | struct xdr_stream *xdr, | |
6616 | struct nfs4_setclientid_res *res) | |
1da177e4 | 6617 | { |
1da177e4 LT |
6618 | struct compound_hdr hdr; |
6619 | int status; | |
6620 | ||
bf269551 | 6621 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6622 | if (!status) |
bf269551 | 6623 | status = decode_setclientid(xdr, res); |
1da177e4 LT |
6624 | return status; |
6625 | } | |
6626 | ||
6627 | /* | |
8b173218 | 6628 | * Decode SETCLIENTID_CONFIRM response |
1da177e4 | 6629 | */ |
bf269551 CL |
6630 | static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst *req, |
6631 | struct xdr_stream *xdr, | |
6632 | struct nfs_fsinfo *fsinfo) | |
1da177e4 | 6633 | { |
1da177e4 LT |
6634 | struct compound_hdr hdr; |
6635 | int status; | |
6636 | ||
bf269551 | 6637 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6638 | if (!status) |
bf269551 | 6639 | status = decode_setclientid_confirm(xdr); |
1da177e4 | 6640 | if (!status) |
bf269551 | 6641 | status = decode_putrootfh(xdr); |
1da177e4 | 6642 | if (!status) |
bf269551 | 6643 | status = decode_fsinfo(xdr, fsinfo); |
1da177e4 LT |
6644 | return status; |
6645 | } | |
6646 | ||
6647 | /* | |
8b173218 | 6648 | * Decode DELEGRETURN response |
1da177e4 | 6649 | */ |
bf269551 CL |
6650 | static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, |
6651 | struct xdr_stream *xdr, | |
6652 | struct nfs4_delegreturnres *res) | |
1da177e4 | 6653 | { |
1da177e4 LT |
6654 | struct compound_hdr hdr; |
6655 | int status; | |
6656 | ||
bf269551 | 6657 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6658 | if (status) |
6659 | goto out; | |
bf269551 | 6660 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6661 | if (status) |
fa178f29 | 6662 | goto out; |
bf269551 | 6663 | status = decode_putfh(xdr); |
fa178f29 TM |
6664 | if (status != 0) |
6665 | goto out; | |
bf269551 | 6666 | status = decode_delegreturn(xdr); |
556ae3bb JL |
6667 | if (status != 0) |
6668 | goto out; | |
6926afd1 | 6669 | decode_getfattr(xdr, res->fattr, res->server); |
fa178f29 | 6670 | out: |
1da177e4 LT |
6671 | return status; |
6672 | } | |
6673 | ||
683b57b4 | 6674 | /* |
8b173218 | 6675 | * Decode FS_LOCATIONS response |
683b57b4 | 6676 | */ |
bf269551 CL |
6677 | static int nfs4_xdr_dec_fs_locations(struct rpc_rqst *req, |
6678 | struct xdr_stream *xdr, | |
22958463 | 6679 | struct nfs4_fs_locations_res *res) |
683b57b4 | 6680 | { |
683b57b4 TM |
6681 | struct compound_hdr hdr; |
6682 | int status; | |
6683 | ||
bf269551 | 6684 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6685 | if (status) |
6686 | goto out; | |
bf269551 | 6687 | status = decode_sequence(xdr, &res->seq_res, req); |
9b7b9fcc | 6688 | if (status) |
683b57b4 | 6689 | goto out; |
bf269551 CL |
6690 | status = decode_putfh(xdr); |
6691 | if (status) | |
683b57b4 | 6692 | goto out; |
bf269551 CL |
6693 | status = decode_lookup(xdr); |
6694 | if (status) | |
683b57b4 | 6695 | goto out; |
bf269551 | 6696 | xdr_enter_page(xdr, PAGE_SIZE); |
8b7e3f49 TM |
6697 | status = decode_getfattr_generic(xdr, &res->fs_locations->fattr, |
6698 | NULL, res->fs_locations, | |
6699 | res->fs_locations->server); | |
683b57b4 TM |
6700 | out: |
6701 | return status; | |
6702 | } | |
6703 | ||
5a5ea0d4 BS |
6704 | /* |
6705 | * Decode SECINFO response | |
6706 | */ | |
6707 | static int nfs4_xdr_dec_secinfo(struct rpc_rqst *rqstp, | |
6708 | struct xdr_stream *xdr, | |
6709 | struct nfs4_secinfo_res *res) | |
6710 | { | |
6711 | struct compound_hdr hdr; | |
6712 | int status; | |
6713 | ||
6714 | status = decode_compound_hdr(xdr, &hdr); | |
6715 | if (status) | |
6716 | goto out; | |
6717 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6718 | if (status) | |
6719 | goto out; | |
6720 | status = decode_putfh(xdr); | |
6721 | if (status) | |
6722 | goto out; | |
6723 | status = decode_secinfo(xdr, res); | |
5a5ea0d4 BS |
6724 | out: |
6725 | return status; | |
6726 | } | |
6727 | ||
99fe60d0 BH |
6728 | #if defined(CONFIG_NFS_V4_1) |
6729 | /* | |
8b173218 | 6730 | * Decode EXCHANGE_ID response |
99fe60d0 | 6731 | */ |
bf269551 CL |
6732 | static int nfs4_xdr_dec_exchange_id(struct rpc_rqst *rqstp, |
6733 | struct xdr_stream *xdr, | |
99fe60d0 BH |
6734 | void *res) |
6735 | { | |
99fe60d0 BH |
6736 | struct compound_hdr hdr; |
6737 | int status; | |
6738 | ||
bf269551 | 6739 | status = decode_compound_hdr(xdr, &hdr); |
99fe60d0 | 6740 | if (!status) |
bf269551 | 6741 | status = decode_exchange_id(xdr, res); |
99fe60d0 BH |
6742 | return status; |
6743 | } | |
2050f0cc | 6744 | |
fc931582 | 6745 | /* |
8b173218 | 6746 | * Decode CREATE_SESSION response |
fc931582 | 6747 | */ |
bf269551 CL |
6748 | static int nfs4_xdr_dec_create_session(struct rpc_rqst *rqstp, |
6749 | struct xdr_stream *xdr, | |
fc931582 AA |
6750 | struct nfs41_create_session_res *res) |
6751 | { | |
fc931582 AA |
6752 | struct compound_hdr hdr; |
6753 | int status; | |
6754 | ||
bf269551 | 6755 | status = decode_compound_hdr(xdr, &hdr); |
fc931582 | 6756 | if (!status) |
bf269551 | 6757 | status = decode_create_session(xdr, res); |
fc931582 AA |
6758 | return status; |
6759 | } | |
6760 | ||
0f3e66c6 | 6761 | /* |
8b173218 | 6762 | * Decode DESTROY_SESSION response |
0f3e66c6 | 6763 | */ |
bf269551 CL |
6764 | static int nfs4_xdr_dec_destroy_session(struct rpc_rqst *rqstp, |
6765 | struct xdr_stream *xdr, | |
6766 | void *res) | |
0f3e66c6 | 6767 | { |
0f3e66c6 AA |
6768 | struct compound_hdr hdr; |
6769 | int status; | |
6770 | ||
bf269551 | 6771 | status = decode_compound_hdr(xdr, &hdr); |
0f3e66c6 | 6772 | if (!status) |
bf269551 | 6773 | status = decode_destroy_session(xdr, res); |
0f3e66c6 AA |
6774 | return status; |
6775 | } | |
6776 | ||
fc01cea9 | 6777 | /* |
8b173218 | 6778 | * Decode SEQUENCE response |
fc01cea9 | 6779 | */ |
bf269551 CL |
6780 | static int nfs4_xdr_dec_sequence(struct rpc_rqst *rqstp, |
6781 | struct xdr_stream *xdr, | |
fc01cea9 AA |
6782 | struct nfs4_sequence_res *res) |
6783 | { | |
fc01cea9 AA |
6784 | struct compound_hdr hdr; |
6785 | int status; | |
6786 | ||
bf269551 | 6787 | status = decode_compound_hdr(xdr, &hdr); |
fc01cea9 | 6788 | if (!status) |
bf269551 | 6789 | status = decode_sequence(xdr, res, rqstp); |
fc01cea9 AA |
6790 | return status; |
6791 | } | |
6792 | ||
2050f0cc | 6793 | /* |
8b173218 | 6794 | * Decode GET_LEASE_TIME response |
2050f0cc | 6795 | */ |
bf269551 CL |
6796 | static int nfs4_xdr_dec_get_lease_time(struct rpc_rqst *rqstp, |
6797 | struct xdr_stream *xdr, | |
2050f0cc AA |
6798 | struct nfs4_get_lease_time_res *res) |
6799 | { | |
2050f0cc AA |
6800 | struct compound_hdr hdr; |
6801 | int status; | |
6802 | ||
bf269551 | 6803 | status = decode_compound_hdr(xdr, &hdr); |
2050f0cc | 6804 | if (!status) |
bf269551 | 6805 | status = decode_sequence(xdr, &res->lr_seq_res, rqstp); |
2050f0cc | 6806 | if (!status) |
bf269551 | 6807 | status = decode_putrootfh(xdr); |
2050f0cc | 6808 | if (!status) |
bf269551 | 6809 | status = decode_fsinfo(xdr, res->lr_fsinfo); |
2050f0cc AA |
6810 | return status; |
6811 | } | |
18019753 RL |
6812 | |
6813 | /* | |
6814 | * Decode RECLAIM_COMPLETE response | |
6815 | */ | |
bf269551 CL |
6816 | static int nfs4_xdr_dec_reclaim_complete(struct rpc_rqst *rqstp, |
6817 | struct xdr_stream *xdr, | |
18019753 RL |
6818 | struct nfs41_reclaim_complete_res *res) |
6819 | { | |
18019753 RL |
6820 | struct compound_hdr hdr; |
6821 | int status; | |
6822 | ||
bf269551 | 6823 | status = decode_compound_hdr(xdr, &hdr); |
18019753 | 6824 | if (!status) |
bf269551 | 6825 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
18019753 | 6826 | if (!status) |
bf269551 | 6827 | status = decode_reclaim_complete(xdr, (void *)NULL); |
18019753 RL |
6828 | return status; |
6829 | } | |
b1f69b75 | 6830 | |
7f11d8d3 AA |
6831 | /* |
6832 | * Decode GETDEVICELIST response | |
6833 | */ | |
6834 | static int nfs4_xdr_dec_getdevicelist(struct rpc_rqst *rqstp, | |
6835 | struct xdr_stream *xdr, | |
6836 | struct nfs4_getdevicelist_res *res) | |
6837 | { | |
6838 | struct compound_hdr hdr; | |
6839 | int status; | |
6840 | ||
6841 | dprintk("encoding getdevicelist!\n"); | |
6842 | ||
6843 | status = decode_compound_hdr(xdr, &hdr); | |
6844 | if (status != 0) | |
6845 | goto out; | |
6846 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6847 | if (status != 0) | |
6848 | goto out; | |
6849 | status = decode_putfh(xdr); | |
6850 | if (status != 0) | |
6851 | goto out; | |
6852 | status = decode_getdevicelist(xdr, res->devlist); | |
6853 | out: | |
6854 | return status; | |
6855 | } | |
6856 | ||
b1f69b75 AA |
6857 | /* |
6858 | * Decode GETDEVINFO response | |
6859 | */ | |
bf269551 CL |
6860 | static int nfs4_xdr_dec_getdeviceinfo(struct rpc_rqst *rqstp, |
6861 | struct xdr_stream *xdr, | |
b1f69b75 AA |
6862 | struct nfs4_getdeviceinfo_res *res) |
6863 | { | |
b1f69b75 AA |
6864 | struct compound_hdr hdr; |
6865 | int status; | |
6866 | ||
bf269551 | 6867 | status = decode_compound_hdr(xdr, &hdr); |
b1f69b75 AA |
6868 | if (status != 0) |
6869 | goto out; | |
bf269551 | 6870 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
b1f69b75 AA |
6871 | if (status != 0) |
6872 | goto out; | |
bf269551 | 6873 | status = decode_getdeviceinfo(xdr, res->pdev); |
b1f69b75 AA |
6874 | out: |
6875 | return status; | |
6876 | } | |
6877 | ||
6878 | /* | |
6879 | * Decode LAYOUTGET response | |
6880 | */ | |
bf269551 CL |
6881 | static int nfs4_xdr_dec_layoutget(struct rpc_rqst *rqstp, |
6882 | struct xdr_stream *xdr, | |
b1f69b75 AA |
6883 | struct nfs4_layoutget_res *res) |
6884 | { | |
b1f69b75 AA |
6885 | struct compound_hdr hdr; |
6886 | int status; | |
6887 | ||
bf269551 | 6888 | status = decode_compound_hdr(xdr, &hdr); |
b1f69b75 AA |
6889 | if (status) |
6890 | goto out; | |
bf269551 | 6891 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
b1f69b75 AA |
6892 | if (status) |
6893 | goto out; | |
bf269551 | 6894 | status = decode_putfh(xdr); |
b1f69b75 AA |
6895 | if (status) |
6896 | goto out; | |
bf269551 | 6897 | status = decode_layoutget(xdr, rqstp, res); |
b1f69b75 AA |
6898 | out: |
6899 | return status; | |
6900 | } | |
863a3c6c | 6901 | |
cbe82603 BH |
6902 | /* |
6903 | * Decode LAYOUTRETURN response | |
6904 | */ | |
6905 | static int nfs4_xdr_dec_layoutreturn(struct rpc_rqst *rqstp, | |
6906 | struct xdr_stream *xdr, | |
6907 | struct nfs4_layoutreturn_res *res) | |
6908 | { | |
6909 | struct compound_hdr hdr; | |
6910 | int status; | |
6911 | ||
6912 | status = decode_compound_hdr(xdr, &hdr); | |
6913 | if (status) | |
6914 | goto out; | |
6915 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6916 | if (status) | |
6917 | goto out; | |
6918 | status = decode_putfh(xdr); | |
6919 | if (status) | |
6920 | goto out; | |
6921 | status = decode_layoutreturn(xdr, res); | |
6922 | out: | |
6923 | return status; | |
6924 | } | |
6925 | ||
863a3c6c AA |
6926 | /* |
6927 | * Decode LAYOUTCOMMIT response | |
6928 | */ | |
6929 | static int nfs4_xdr_dec_layoutcommit(struct rpc_rqst *rqstp, | |
6930 | struct xdr_stream *xdr, | |
6931 | struct nfs4_layoutcommit_res *res) | |
6932 | { | |
6933 | struct compound_hdr hdr; | |
6934 | int status; | |
6935 | ||
6936 | status = decode_compound_hdr(xdr, &hdr); | |
6937 | if (status) | |
6938 | goto out; | |
6939 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6940 | if (status) | |
6941 | goto out; | |
6942 | status = decode_putfh(xdr); | |
6943 | if (status) | |
6944 | goto out; | |
6945 | status = decode_layoutcommit(xdr, rqstp, res); | |
6946 | if (status) | |
6947 | goto out; | |
6926afd1 | 6948 | decode_getfattr(xdr, res->fattr, res->server); |
863a3c6c AA |
6949 | out: |
6950 | return status; | |
6951 | } | |
fca78d6d BS |
6952 | |
6953 | /* | |
6954 | * Decode SECINFO_NO_NAME response | |
6955 | */ | |
6956 | static int nfs4_xdr_dec_secinfo_no_name(struct rpc_rqst *rqstp, | |
6957 | struct xdr_stream *xdr, | |
6958 | struct nfs4_secinfo_res *res) | |
6959 | { | |
6960 | struct compound_hdr hdr; | |
6961 | int status; | |
6962 | ||
6963 | status = decode_compound_hdr(xdr, &hdr); | |
6964 | if (status) | |
6965 | goto out; | |
6966 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6967 | if (status) | |
6968 | goto out; | |
6969 | status = decode_putrootfh(xdr); | |
6970 | if (status) | |
6971 | goto out; | |
6972 | status = decode_secinfo(xdr, res); | |
6973 | out: | |
6974 | return status; | |
6975 | } | |
7d974794 BS |
6976 | |
6977 | /* | |
6978 | * Decode TEST_STATEID response | |
6979 | */ | |
6980 | static int nfs4_xdr_dec_test_stateid(struct rpc_rqst *rqstp, | |
6981 | struct xdr_stream *xdr, | |
6982 | struct nfs41_test_stateid_res *res) | |
6983 | { | |
6984 | struct compound_hdr hdr; | |
6985 | int status; | |
6986 | ||
6987 | status = decode_compound_hdr(xdr, &hdr); | |
6988 | if (status) | |
6989 | goto out; | |
6990 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6991 | if (status) | |
6992 | goto out; | |
6993 | status = decode_test_stateid(xdr, res); | |
6994 | out: | |
6995 | return status; | |
6996 | } | |
9aeda35f BS |
6997 | |
6998 | /* | |
6999 | * Decode FREE_STATEID response | |
7000 | */ | |
7001 | static int nfs4_xdr_dec_free_stateid(struct rpc_rqst *rqstp, | |
7002 | struct xdr_stream *xdr, | |
7003 | struct nfs41_free_stateid_res *res) | |
7004 | { | |
7005 | struct compound_hdr hdr; | |
7006 | int status; | |
7007 | ||
7008 | status = decode_compound_hdr(xdr, &hdr); | |
7009 | if (status) | |
7010 | goto out; | |
7011 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7012 | if (status) | |
7013 | goto out; | |
7014 | status = decode_free_stateid(xdr, res); | |
7015 | out: | |
7016 | return status; | |
7017 | } | |
99fe60d0 BH |
7018 | #endif /* CONFIG_NFS_V4_1 */ |
7019 | ||
573c4e1e CL |
7020 | /** |
7021 | * nfs4_decode_dirent - Decode a single NFSv4 directory entry stored in | |
7022 | * the local page cache. | |
7023 | * @xdr: XDR stream where entry resides | |
7024 | * @entry: buffer to fill in with entry data | |
7025 | * @plus: boolean indicating whether this should be a readdirplus entry | |
7026 | * | |
7027 | * Returns zero if successful, otherwise a negative errno value is | |
7028 | * returned. | |
7029 | * | |
7030 | * This function is not invoked during READDIR reply decoding, but | |
7031 | * rather whenever an application invokes the getdents(2) system call | |
7032 | * on a directory already in our cache. | |
7033 | */ | |
7034 | int nfs4_decode_dirent(struct xdr_stream *xdr, struct nfs_entry *entry, | |
7035 | int plus) | |
1da177e4 | 7036 | { |
dae100c2 | 7037 | uint32_t bitmap[3] = {0}; |
1da177e4 | 7038 | uint32_t len; |
babddc72 BS |
7039 | __be32 *p = xdr_inline_decode(xdr, 4); |
7040 | if (unlikely(!p)) | |
7041 | goto out_overflow; | |
c08e76d0 | 7042 | if (*p == xdr_zero) { |
babddc72 BS |
7043 | p = xdr_inline_decode(xdr, 4); |
7044 | if (unlikely(!p)) | |
7045 | goto out_overflow; | |
c08e76d0 | 7046 | if (*p == xdr_zero) |
573c4e1e | 7047 | return -EAGAIN; |
1da177e4 | 7048 | entry->eof = 1; |
573c4e1e | 7049 | return -EBADCOOKIE; |
1da177e4 LT |
7050 | } |
7051 | ||
babddc72 BS |
7052 | p = xdr_inline_decode(xdr, 12); |
7053 | if (unlikely(!p)) | |
7054 | goto out_overflow; | |
1da177e4 LT |
7055 | entry->prev_cookie = entry->cookie; |
7056 | p = xdr_decode_hyper(p, &entry->cookie); | |
c08e76d0 | 7057 | entry->len = be32_to_cpup(p); |
babddc72 | 7058 | |
9af8c222 | 7059 | p = xdr_inline_decode(xdr, entry->len); |
babddc72 BS |
7060 | if (unlikely(!p)) |
7061 | goto out_overflow; | |
1da177e4 | 7062 | entry->name = (const char *) p; |
1da177e4 LT |
7063 | |
7064 | /* | |
7065 | * In case the server doesn't return an inode number, | |
7066 | * we fake one here. (We don't use inode number 0, | |
7067 | * since glibc seems to choke on it...) | |
7068 | */ | |
7069 | entry->ino = 1; | |
4f082222 | 7070 | entry->fattr->valid = 0; |
1da177e4 | 7071 | |
9af8c222 TM |
7072 | if (decode_attr_bitmap(xdr, bitmap) < 0) |
7073 | goto out_overflow; | |
7074 | ||
7075 | if (decode_attr_length(xdr, &len, &p) < 0) | |
7076 | goto out_overflow; | |
7077 | ||
573c4e1e | 7078 | if (decode_getfattr_attrs(xdr, bitmap, entry->fattr, entry->fh, |
8b7e3f49 | 7079 | NULL, entry->server) < 0) |
9af8c222 | 7080 | goto out_overflow; |
28331a46 TM |
7081 | if (entry->fattr->valid & NFS_ATTR_FATTR_MOUNTED_ON_FILEID) |
7082 | entry->ino = entry->fattr->mounted_on_fileid; | |
7083 | else if (entry->fattr->valid & NFS_ATTR_FATTR_FILEID) | |
9af8c222 TM |
7084 | entry->ino = entry->fattr->fileid; |
7085 | ||
0b26a0bf TM |
7086 | entry->d_type = DT_UNKNOWN; |
7087 | if (entry->fattr->valid & NFS_ATTR_FATTR_TYPE) | |
7088 | entry->d_type = nfs_umode_to_dtype(entry->fattr->mode); | |
7089 | ||
573c4e1e | 7090 | return 0; |
babddc72 BS |
7091 | |
7092 | out_overflow: | |
7093 | print_overflow_msg(__func__, xdr); | |
573c4e1e | 7094 | return -EAGAIN; |
1da177e4 LT |
7095 | } |
7096 | ||
7097 | /* | |
7098 | * We need to translate between nfs status return values and | |
7099 | * the local errno values which may not be the same. | |
7100 | */ | |
7101 | static struct { | |
7102 | int stat; | |
7103 | int errno; | |
7104 | } nfs_errtbl[] = { | |
7105 | { NFS4_OK, 0 }, | |
856dff3d BH |
7106 | { NFS4ERR_PERM, -EPERM }, |
7107 | { NFS4ERR_NOENT, -ENOENT }, | |
7108 | { NFS4ERR_IO, -errno_NFSERR_IO}, | |
7109 | { NFS4ERR_NXIO, -ENXIO }, | |
7110 | { NFS4ERR_ACCESS, -EACCES }, | |
7111 | { NFS4ERR_EXIST, -EEXIST }, | |
7112 | { NFS4ERR_XDEV, -EXDEV }, | |
7113 | { NFS4ERR_NOTDIR, -ENOTDIR }, | |
7114 | { NFS4ERR_ISDIR, -EISDIR }, | |
7115 | { NFS4ERR_INVAL, -EINVAL }, | |
7116 | { NFS4ERR_FBIG, -EFBIG }, | |
7117 | { NFS4ERR_NOSPC, -ENOSPC }, | |
7118 | { NFS4ERR_ROFS, -EROFS }, | |
7119 | { NFS4ERR_MLINK, -EMLINK }, | |
7120 | { NFS4ERR_NAMETOOLONG, -ENAMETOOLONG }, | |
7121 | { NFS4ERR_NOTEMPTY, -ENOTEMPTY }, | |
7122 | { NFS4ERR_DQUOT, -EDQUOT }, | |
7123 | { NFS4ERR_STALE, -ESTALE }, | |
7124 | { NFS4ERR_BADHANDLE, -EBADHANDLE }, | |
856dff3d BH |
7125 | { NFS4ERR_BAD_COOKIE, -EBADCOOKIE }, |
7126 | { NFS4ERR_NOTSUPP, -ENOTSUPP }, | |
7127 | { NFS4ERR_TOOSMALL, -ETOOSMALL }, | |
fdcb4577 | 7128 | { NFS4ERR_SERVERFAULT, -EREMOTEIO }, |
856dff3d BH |
7129 | { NFS4ERR_BADTYPE, -EBADTYPE }, |
7130 | { NFS4ERR_LOCKED, -EAGAIN }, | |
856dff3d BH |
7131 | { NFS4ERR_SYMLINK, -ELOOP }, |
7132 | { NFS4ERR_OP_ILLEGAL, -EOPNOTSUPP }, | |
7133 | { NFS4ERR_DEADLOCK, -EDEADLK }, | |
856dff3d | 7134 | { -1, -EIO } |
1da177e4 LT |
7135 | }; |
7136 | ||
7137 | /* | |
7138 | * Convert an NFS error code to a local one. | |
7139 | * This one is used jointly by NFSv2 and NFSv3. | |
7140 | */ | |
7141 | static int | |
0a8ea437 | 7142 | nfs4_stat_to_errno(int stat) |
1da177e4 LT |
7143 | { |
7144 | int i; | |
7145 | for (i = 0; nfs_errtbl[i].stat != -1; i++) { | |
7146 | if (nfs_errtbl[i].stat == stat) | |
7147 | return nfs_errtbl[i].errno; | |
7148 | } | |
7149 | if (stat <= 10000 || stat > 10100) { | |
7150 | /* The server is looney tunes. */ | |
fdcb4577 | 7151 | return -EREMOTEIO; |
1da177e4 LT |
7152 | } |
7153 | /* If we cannot translate the error, the recovery routines should | |
7154 | * handle it. | |
7155 | * Note: remaining NFSv4 error codes have values > 10000, so should | |
7156 | * not conflict with native Linux error codes. | |
7157 | */ | |
856dff3d | 7158 | return -stat; |
1da177e4 LT |
7159 | } |
7160 | ||
1da177e4 LT |
7161 | #define PROC(proc, argtype, restype) \ |
7162 | [NFSPROC4_CLNT_##proc] = { \ | |
7163 | .p_proc = NFSPROC4_COMPOUND, \ | |
9f06c719 | 7164 | .p_encode = (kxdreproc_t)nfs4_xdr_##argtype, \ |
bf269551 | 7165 | .p_decode = (kxdrdproc_t)nfs4_xdr_##restype, \ |
2bea90d4 CL |
7166 | .p_arglen = NFS4_##argtype##_sz, \ |
7167 | .p_replen = NFS4_##restype##_sz, \ | |
cc0175c1 CL |
7168 | .p_statidx = NFSPROC4_CLNT_##proc, \ |
7169 | .p_name = #proc, \ | |
05d564fe | 7170 | } |
1da177e4 LT |
7171 | |
7172 | struct rpc_procinfo nfs4_procedures[] = { | |
7d93bd71 CL |
7173 | PROC(READ, enc_read, dec_read), |
7174 | PROC(WRITE, enc_write, dec_write), | |
7175 | PROC(COMMIT, enc_commit, dec_commit), | |
7176 | PROC(OPEN, enc_open, dec_open), | |
7177 | PROC(OPEN_CONFIRM, enc_open_confirm, dec_open_confirm), | |
7178 | PROC(OPEN_NOATTR, enc_open_noattr, dec_open_noattr), | |
7179 | PROC(OPEN_DOWNGRADE, enc_open_downgrade, dec_open_downgrade), | |
7180 | PROC(CLOSE, enc_close, dec_close), | |
7181 | PROC(SETATTR, enc_setattr, dec_setattr), | |
7182 | PROC(FSINFO, enc_fsinfo, dec_fsinfo), | |
7183 | PROC(RENEW, enc_renew, dec_renew), | |
7184 | PROC(SETCLIENTID, enc_setclientid, dec_setclientid), | |
7185 | PROC(SETCLIENTID_CONFIRM, enc_setclientid_confirm, dec_setclientid_confirm), | |
7186 | PROC(LOCK, enc_lock, dec_lock), | |
7187 | PROC(LOCKT, enc_lockt, dec_lockt), | |
7188 | PROC(LOCKU, enc_locku, dec_locku), | |
7189 | PROC(ACCESS, enc_access, dec_access), | |
7190 | PROC(GETATTR, enc_getattr, dec_getattr), | |
7191 | PROC(LOOKUP, enc_lookup, dec_lookup), | |
7192 | PROC(LOOKUP_ROOT, enc_lookup_root, dec_lookup_root), | |
7193 | PROC(REMOVE, enc_remove, dec_remove), | |
7194 | PROC(RENAME, enc_rename, dec_rename), | |
7195 | PROC(LINK, enc_link, dec_link), | |
7196 | PROC(SYMLINK, enc_symlink, dec_symlink), | |
7197 | PROC(CREATE, enc_create, dec_create), | |
7198 | PROC(PATHCONF, enc_pathconf, dec_pathconf), | |
7199 | PROC(STATFS, enc_statfs, dec_statfs), | |
7200 | PROC(READLINK, enc_readlink, dec_readlink), | |
7201 | PROC(READDIR, enc_readdir, dec_readdir), | |
7202 | PROC(SERVER_CAPS, enc_server_caps, dec_server_caps), | |
7203 | PROC(DELEGRETURN, enc_delegreturn, dec_delegreturn), | |
7204 | PROC(GETACL, enc_getacl, dec_getacl), | |
7205 | PROC(SETACL, enc_setacl, dec_setacl), | |
7206 | PROC(FS_LOCATIONS, enc_fs_locations, dec_fs_locations), | |
7207 | PROC(RELEASE_LOCKOWNER, enc_release_lockowner, dec_release_lockowner), | |
5a5ea0d4 | 7208 | PROC(SECINFO, enc_secinfo, dec_secinfo), |
99fe60d0 | 7209 | #if defined(CONFIG_NFS_V4_1) |
7d93bd71 CL |
7210 | PROC(EXCHANGE_ID, enc_exchange_id, dec_exchange_id), |
7211 | PROC(CREATE_SESSION, enc_create_session, dec_create_session), | |
7212 | PROC(DESTROY_SESSION, enc_destroy_session, dec_destroy_session), | |
7213 | PROC(SEQUENCE, enc_sequence, dec_sequence), | |
7214 | PROC(GET_LEASE_TIME, enc_get_lease_time, dec_get_lease_time), | |
7215 | PROC(RECLAIM_COMPLETE, enc_reclaim_complete, dec_reclaim_complete), | |
7216 | PROC(GETDEVICEINFO, enc_getdeviceinfo, dec_getdeviceinfo), | |
7217 | PROC(LAYOUTGET, enc_layoutget, dec_layoutget), | |
863a3c6c | 7218 | PROC(LAYOUTCOMMIT, enc_layoutcommit, dec_layoutcommit), |
cbe82603 | 7219 | PROC(LAYOUTRETURN, enc_layoutreturn, dec_layoutreturn), |
fca78d6d | 7220 | PROC(SECINFO_NO_NAME, enc_secinfo_no_name, dec_secinfo_no_name), |
7d974794 | 7221 | PROC(TEST_STATEID, enc_test_stateid, dec_test_stateid), |
9aeda35f | 7222 | PROC(FREE_STATEID, enc_free_stateid, dec_free_stateid), |
7f11d8d3 | 7223 | PROC(GETDEVICELIST, enc_getdevicelist, dec_getdevicelist), |
99fe60d0 | 7224 | #endif /* CONFIG_NFS_V4_1 */ |
1da177e4 LT |
7225 | }; |
7226 | ||
a613fa16 | 7227 | const struct rpc_version nfs_version4 = { |
1da177e4 | 7228 | .number = 4, |
e8c96f8c | 7229 | .nrprocs = ARRAY_SIZE(nfs4_procedures), |
1da177e4 LT |
7230 | .procs = nfs4_procedures |
7231 | }; | |
7232 | ||
7233 | /* | |
7234 | * Local variables: | |
7235 | * c-basic-offset: 8 | |
7236 | * End: | |
7237 | */ |