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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> | |
f092075d | 56 | |
4ce79717 | 57 | #include "nfs4_fs.h" |
4882ef72 | 58 | #include "internal.h" |
b1f69b75 | 59 | #include "pnfs.h" |
f092075d | 60 | #include "netns.h" |
1da177e4 LT |
61 | |
62 | #define NFSDBG_FACILITY NFSDBG_XDR | |
63 | ||
64 | /* Mapping from NFS error code to "errno" error code. */ | |
65 | #define errno_NFSERR_IO EIO | |
66 | ||
0a8ea437 | 67 | static int nfs4_stat_to_errno(int); |
1da177e4 LT |
68 | |
69 | /* NFSv4 COMPOUND tags are only wanted for debugging purposes */ | |
70 | #ifdef DEBUG | |
71 | #define NFS4_MAXTAGLEN 20 | |
72 | #else | |
73 | #define NFS4_MAXTAGLEN 0 | |
74 | #endif | |
75 | ||
6c0195a4 | 76 | /* lock,open owner id: |
9f958ab8 | 77 | * we currently use size 2 (u64) out of (NFS4_OPAQUE_LIMIT >> 2) |
1da177e4 | 78 | */ |
95b72eb0 | 79 | #define open_owner_id_maxsz (1 + 2 + 1 + 1 + 2) |
d035c36c | 80 | #define lock_owner_id_maxsz (1 + 1 + 4) |
9104a55d | 81 | #define decode_lockowner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) |
1da177e4 LT |
82 | #define compound_encode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2)) |
83 | #define compound_decode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2)) | |
84 | #define op_encode_hdr_maxsz (1) | |
85 | #define op_decode_hdr_maxsz (2) | |
9104a55d TM |
86 | #define encode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE)) |
87 | #define decode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE)) | |
88 | #define encode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE)) | |
89 | #define decode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE)) | |
1da177e4 LT |
90 | #define encode_putfh_maxsz (op_encode_hdr_maxsz + 1 + \ |
91 | (NFS4_FHSIZE >> 2)) | |
92 | #define decode_putfh_maxsz (op_decode_hdr_maxsz) | |
93 | #define encode_putrootfh_maxsz (op_encode_hdr_maxsz) | |
94 | #define decode_putrootfh_maxsz (op_decode_hdr_maxsz) | |
95 | #define encode_getfh_maxsz (op_encode_hdr_maxsz) | |
96 | #define decode_getfh_maxsz (op_decode_hdr_maxsz + 1 + \ | |
97 | ((3+NFS4_FHSIZE) >> 2)) | |
e5012d1f | 98 | #define nfs4_fattr_bitmap_maxsz 4 |
96928206 | 99 | #define encode_getattr_maxsz (op_encode_hdr_maxsz + nfs4_fattr_bitmap_maxsz) |
1da177e4 LT |
100 | #define nfs4_name_maxsz (1 + ((3 + NFS4_MAXNAMLEN) >> 2)) |
101 | #define nfs4_path_maxsz (1 + ((3 + NFS4_MAXPATHLEN) >> 2)) | |
bd625ba8 TM |
102 | #define nfs4_owner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) |
103 | #define nfs4_group_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) | |
88034c3d AA |
104 | /* We support only one layout type per file system */ |
105 | #define decode_mdsthreshold_maxsz (1 + 1 + nfs4_fattr_bitmap_maxsz + 1 + 8) | |
96928206 BF |
106 | /* This is based on getfattr, which uses the most attributes: */ |
107 | #define nfs4_fattr_value_maxsz (1 + (1 + 2 + 2 + 4 + 2 + 1 + 1 + 2 + 2 + \ | |
88034c3d AA |
108 | 3 + 3 + 3 + nfs4_owner_maxsz + \ |
109 | nfs4_group_maxsz + decode_mdsthreshold_maxsz)) | |
96928206 BF |
110 | #define nfs4_fattr_maxsz (nfs4_fattr_bitmap_maxsz + \ |
111 | nfs4_fattr_value_maxsz) | |
112 | #define decode_getattr_maxsz (op_decode_hdr_maxsz + nfs4_fattr_maxsz) | |
9104a55d TM |
113 | #define encode_attrs_maxsz (nfs4_fattr_bitmap_maxsz + \ |
114 | 1 + 2 + 1 + \ | |
115 | nfs4_owner_maxsz + \ | |
116 | nfs4_group_maxsz + \ | |
117 | 4 + 4) | |
1da177e4 LT |
118 | #define encode_savefh_maxsz (op_encode_hdr_maxsz) |
119 | #define decode_savefh_maxsz (op_decode_hdr_maxsz) | |
56ae19f3 TM |
120 | #define encode_restorefh_maxsz (op_encode_hdr_maxsz) |
121 | #define decode_restorefh_maxsz (op_decode_hdr_maxsz) | |
2f42b5d0 | 122 | #define encode_fsinfo_maxsz (encode_getattr_maxsz) |
dae100c2 FI |
123 | /* The 5 accounts for the PNFS attributes, and assumes that at most three |
124 | * layout types will be returned. | |
125 | */ | |
126 | #define decode_fsinfo_maxsz (op_decode_hdr_maxsz + \ | |
127 | nfs4_fattr_bitmap_maxsz + 4 + 8 + 5) | |
1da177e4 LT |
128 | #define encode_renew_maxsz (op_encode_hdr_maxsz + 3) |
129 | #define decode_renew_maxsz (op_decode_hdr_maxsz) | |
130 | #define encode_setclientid_maxsz \ | |
131 | (op_encode_hdr_maxsz + \ | |
cc38bac3 CL |
132 | XDR_QUADLEN(NFS4_VERIFIER_SIZE) + \ |
133 | XDR_QUADLEN(NFS4_SETCLIENTID_NAMELEN) + \ | |
134 | 1 /* sc_prog */ + \ | |
135 | XDR_QUADLEN(RPCBIND_MAXNETIDLEN) + \ | |
136 | XDR_QUADLEN(RPCBIND_MAXUADDRLEN) + \ | |
137 | 1) /* sc_cb_ident */ | |
1da177e4 LT |
138 | #define decode_setclientid_maxsz \ |
139 | (op_decode_hdr_maxsz + \ | |
140 | 2 + \ | |
141 | 1024) /* large value for CLID_INUSE */ | |
142 | #define encode_setclientid_confirm_maxsz \ | |
143 | (op_encode_hdr_maxsz + \ | |
144 | 3 + (NFS4_VERIFIER_SIZE >> 2)) | |
145 | #define decode_setclientid_confirm_maxsz \ | |
146 | (op_decode_hdr_maxsz) | |
e6889620 TM |
147 | #define encode_lookup_maxsz (op_encode_hdr_maxsz + nfs4_name_maxsz) |
148 | #define decode_lookup_maxsz (op_decode_hdr_maxsz) | |
2cebf828 TM |
149 | #define encode_share_access_maxsz \ |
150 | (2) | |
4882ef72 | 151 | #define encode_createmode_maxsz (1 + encode_attrs_maxsz + encode_verifier_maxsz) |
2cebf828 TM |
152 | #define encode_opentype_maxsz (1 + encode_createmode_maxsz) |
153 | #define encode_claim_null_maxsz (1 + nfs4_name_maxsz) | |
154 | #define encode_open_maxsz (op_encode_hdr_maxsz + \ | |
155 | 2 + encode_share_access_maxsz + 2 + \ | |
156 | open_owner_id_maxsz + \ | |
157 | encode_opentype_maxsz + \ | |
158 | encode_claim_null_maxsz) | |
159 | #define decode_ace_maxsz (3 + nfs4_owner_maxsz) | |
9104a55d | 160 | #define decode_delegation_maxsz (1 + decode_stateid_maxsz + 1 + \ |
2cebf828 TM |
161 | decode_ace_maxsz) |
162 | #define decode_change_info_maxsz (5) | |
163 | #define decode_open_maxsz (op_decode_hdr_maxsz + \ | |
9104a55d | 164 | decode_stateid_maxsz + \ |
2cebf828 TM |
165 | decode_change_info_maxsz + 1 + \ |
166 | nfs4_fattr_bitmap_maxsz + \ | |
167 | decode_delegation_maxsz) | |
9104a55d TM |
168 | #define encode_open_confirm_maxsz \ |
169 | (op_encode_hdr_maxsz + \ | |
170 | encode_stateid_maxsz + 1) | |
171 | #define decode_open_confirm_maxsz \ | |
172 | (op_decode_hdr_maxsz + \ | |
173 | decode_stateid_maxsz) | |
174 | #define encode_open_downgrade_maxsz \ | |
175 | (op_encode_hdr_maxsz + \ | |
176 | encode_stateid_maxsz + 1 + \ | |
177 | encode_share_access_maxsz) | |
178 | #define decode_open_downgrade_maxsz \ | |
179 | (op_decode_hdr_maxsz + \ | |
180 | decode_stateid_maxsz) | |
181 | #define encode_close_maxsz (op_encode_hdr_maxsz + \ | |
182 | 1 + encode_stateid_maxsz) | |
183 | #define decode_close_maxsz (op_decode_hdr_maxsz + \ | |
184 | decode_stateid_maxsz) | |
185 | #define encode_setattr_maxsz (op_encode_hdr_maxsz + \ | |
186 | encode_stateid_maxsz + \ | |
187 | encode_attrs_maxsz) | |
188 | #define decode_setattr_maxsz (op_decode_hdr_maxsz + \ | |
189 | nfs4_fattr_bitmap_maxsz) | |
190 | #define encode_read_maxsz (op_encode_hdr_maxsz + \ | |
191 | encode_stateid_maxsz + 3) | |
192 | #define decode_read_maxsz (op_decode_hdr_maxsz + 2) | |
193 | #define encode_readdir_maxsz (op_encode_hdr_maxsz + \ | |
194 | 2 + encode_verifier_maxsz + 5) | |
195 | #define decode_readdir_maxsz (op_decode_hdr_maxsz + \ | |
196 | decode_verifier_maxsz) | |
197 | #define encode_readlink_maxsz (op_encode_hdr_maxsz) | |
198 | #define decode_readlink_maxsz (op_decode_hdr_maxsz + 1) | |
199 | #define encode_write_maxsz (op_encode_hdr_maxsz + \ | |
200 | encode_stateid_maxsz + 4) | |
201 | #define decode_write_maxsz (op_decode_hdr_maxsz + \ | |
202 | 2 + decode_verifier_maxsz) | |
203 | #define encode_commit_maxsz (op_encode_hdr_maxsz + 3) | |
204 | #define decode_commit_maxsz (op_decode_hdr_maxsz + \ | |
205 | decode_verifier_maxsz) | |
1da177e4 LT |
206 | #define encode_remove_maxsz (op_encode_hdr_maxsz + \ |
207 | nfs4_name_maxsz) | |
6ce18391 BH |
208 | #define decode_remove_maxsz (op_decode_hdr_maxsz + \ |
209 | decode_change_info_maxsz) | |
1da177e4 LT |
210 | #define encode_rename_maxsz (op_encode_hdr_maxsz + \ |
211 | 2 * nfs4_name_maxsz) | |
6ce18391 BH |
212 | #define decode_rename_maxsz (op_decode_hdr_maxsz + \ |
213 | decode_change_info_maxsz + \ | |
214 | decode_change_info_maxsz) | |
1da177e4 LT |
215 | #define encode_link_maxsz (op_encode_hdr_maxsz + \ |
216 | nfs4_name_maxsz) | |
6ce18391 | 217 | #define decode_link_maxsz (op_decode_hdr_maxsz + decode_change_info_maxsz) |
daccbded | 218 | #define encode_lockowner_maxsz (7) |
9104a55d TM |
219 | #define encode_lock_maxsz (op_encode_hdr_maxsz + \ |
220 | 7 + \ | |
daccbded TM |
221 | 1 + encode_stateid_maxsz + 1 + \ |
222 | encode_lockowner_maxsz) | |
9104a55d TM |
223 | #define decode_lock_denied_maxsz \ |
224 | (8 + decode_lockowner_maxsz) | |
225 | #define decode_lock_maxsz (op_decode_hdr_maxsz + \ | |
226 | decode_lock_denied_maxsz) | |
daccbded TM |
227 | #define encode_lockt_maxsz (op_encode_hdr_maxsz + 5 + \ |
228 | encode_lockowner_maxsz) | |
9104a55d TM |
229 | #define decode_lockt_maxsz (op_decode_hdr_maxsz + \ |
230 | decode_lock_denied_maxsz) | |
231 | #define encode_locku_maxsz (op_encode_hdr_maxsz + 3 + \ | |
232 | encode_stateid_maxsz + \ | |
233 | 4) | |
234 | #define decode_locku_maxsz (op_decode_hdr_maxsz + \ | |
235 | decode_stateid_maxsz) | |
d3c7b7cc TM |
236 | #define encode_release_lockowner_maxsz \ |
237 | (op_encode_hdr_maxsz + \ | |
238 | encode_lockowner_maxsz) | |
239 | #define decode_release_lockowner_maxsz \ | |
240 | (op_decode_hdr_maxsz) | |
9104a55d TM |
241 | #define encode_access_maxsz (op_encode_hdr_maxsz + 1) |
242 | #define decode_access_maxsz (op_decode_hdr_maxsz + 2) | |
1da177e4 LT |
243 | #define encode_symlink_maxsz (op_encode_hdr_maxsz + \ |
244 | 1 + nfs4_name_maxsz + \ | |
94a6d753 | 245 | 1 + \ |
96928206 | 246 | nfs4_fattr_maxsz) |
1da177e4 LT |
247 | #define decode_symlink_maxsz (op_decode_hdr_maxsz + 8) |
248 | #define encode_create_maxsz (op_encode_hdr_maxsz + \ | |
9104a55d TM |
249 | 1 + 2 + nfs4_name_maxsz + \ |
250 | encode_attrs_maxsz) | |
2cebf828 TM |
251 | #define decode_create_maxsz (op_decode_hdr_maxsz + \ |
252 | decode_change_info_maxsz + \ | |
253 | nfs4_fattr_bitmap_maxsz) | |
9104a55d TM |
254 | #define encode_statfs_maxsz (encode_getattr_maxsz) |
255 | #define decode_statfs_maxsz (decode_getattr_maxsz) | |
1da177e4 LT |
256 | #define encode_delegreturn_maxsz (op_encode_hdr_maxsz + 4) |
257 | #define decode_delegreturn_maxsz (op_decode_hdr_maxsz) | |
9104a55d TM |
258 | #define encode_getacl_maxsz (encode_getattr_maxsz) |
259 | #define decode_getacl_maxsz (op_decode_hdr_maxsz + \ | |
260 | nfs4_fattr_bitmap_maxsz + 1) | |
261 | #define encode_setacl_maxsz (op_encode_hdr_maxsz + \ | |
262 | encode_stateid_maxsz + 3) | |
263 | #define decode_setacl_maxsz (decode_setattr_maxsz) | |
e6889620 TM |
264 | #define encode_fs_locations_maxsz \ |
265 | (encode_getattr_maxsz) | |
266 | #define decode_fs_locations_maxsz \ | |
267 | (0) | |
5a5ea0d4 | 268 | #define encode_secinfo_maxsz (op_encode_hdr_maxsz + nfs4_name_maxsz) |
1650add2 | 269 | #define decode_secinfo_maxsz (op_decode_hdr_maxsz + 1 + ((NFS_MAX_SECFLAVORS * (16 + GSS_OID_MAX_LEN)) / 4)) |
9b7b9fcc AA |
270 | |
271 | #if defined(CONFIG_NFS_V4_1) | |
fc931582 AA |
272 | #define NFS4_MAX_MACHINE_NAME_LEN (64) |
273 | ||
99fe60d0 BH |
274 | #define encode_exchange_id_maxsz (op_encode_hdr_maxsz + \ |
275 | encode_verifier_maxsz + \ | |
276 | 1 /* co_ownerid.len */ + \ | |
277 | XDR_QUADLEN(NFS4_EXCHANGE_ID_LEN) + \ | |
278 | 1 /* flags */ + \ | |
279 | 1 /* spa_how */ + \ | |
280 | 0 /* SP4_NONE (for now) */ + \ | |
db8ac8ba WAA |
281 | 1 /* implementation id array of size 1 */ + \ |
282 | 1 /* nii_domain */ + \ | |
283 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
284 | 1 /* nii_name */ + \ | |
285 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
286 | 3 /* nii_date */) | |
99fe60d0 BH |
287 | #define decode_exchange_id_maxsz (op_decode_hdr_maxsz + \ |
288 | 2 /* eir_clientid */ + \ | |
289 | 1 /* eir_sequenceid */ + \ | |
290 | 1 /* eir_flags */ + \ | |
291 | 1 /* spr_how */ + \ | |
292 | 0 /* SP4_NONE (for now) */ + \ | |
293 | 2 /* eir_server_owner.so_minor_id */ + \ | |
294 | /* eir_server_owner.so_major_id<> */ \ | |
295 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 + \ | |
296 | /* eir_server_scope<> */ \ | |
297 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 + \ | |
298 | 1 /* eir_server_impl_id array length */ + \ | |
7d2ed9ac WAA |
299 | 1 /* nii_domain */ + \ |
300 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
301 | 1 /* nii_name */ + \ | |
302 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
303 | 3 /* nii_date */) | |
fc931582 AA |
304 | #define encode_channel_attrs_maxsz (6 + 1 /* ca_rdma_ird.len (0) */) |
305 | #define decode_channel_attrs_maxsz (6 + \ | |
306 | 1 /* ca_rdma_ird.len */ + \ | |
307 | 1 /* ca_rdma_ird */) | |
308 | #define encode_create_session_maxsz (op_encode_hdr_maxsz + \ | |
309 | 2 /* csa_clientid */ + \ | |
310 | 1 /* csa_sequence */ + \ | |
311 | 1 /* csa_flags */ + \ | |
312 | encode_channel_attrs_maxsz + \ | |
313 | encode_channel_attrs_maxsz + \ | |
314 | 1 /* csa_cb_program */ + \ | |
315 | 1 /* csa_sec_parms.len (1) */ + \ | |
316 | 1 /* cb_secflavor (AUTH_SYS) */ + \ | |
317 | 1 /* stamp */ + \ | |
318 | 1 /* machinename.len */ + \ | |
319 | XDR_QUADLEN(NFS4_MAX_MACHINE_NAME_LEN) + \ | |
320 | 1 /* uid */ + \ | |
321 | 1 /* gid */ + \ | |
322 | 1 /* gids.len (0) */) | |
323 | #define decode_create_session_maxsz (op_decode_hdr_maxsz + \ | |
324 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + \ | |
325 | 1 /* csr_sequence */ + \ | |
326 | 1 /* csr_flags */ + \ | |
327 | decode_channel_attrs_maxsz + \ | |
328 | decode_channel_attrs_maxsz) | |
7c44f1ae WAA |
329 | #define encode_bind_conn_to_session_maxsz (op_encode_hdr_maxsz + \ |
330 | /* bctsa_sessid */ \ | |
331 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + \ | |
332 | 1 /* bctsa_dir */ + \ | |
333 | 1 /* bctsa_use_conn_in_rdma_mode */) | |
334 | #define decode_bind_conn_to_session_maxsz (op_decode_hdr_maxsz + \ | |
335 | /* bctsr_sessid */ \ | |
336 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + \ | |
337 | 1 /* bctsr_dir */ + \ | |
338 | 1 /* bctsr_use_conn_in_rdma_mode */) | |
0f3e66c6 AA |
339 | #define encode_destroy_session_maxsz (op_encode_hdr_maxsz + 4) |
340 | #define decode_destroy_session_maxsz (op_decode_hdr_maxsz) | |
66245539 TM |
341 | #define encode_destroy_clientid_maxsz (op_encode_hdr_maxsz + 2) |
342 | #define decode_destroy_clientid_maxsz (op_decode_hdr_maxsz) | |
fc01cea9 AA |
343 | #define encode_sequence_maxsz (op_encode_hdr_maxsz + \ |
344 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 4) | |
345 | #define decode_sequence_maxsz (op_decode_hdr_maxsz + \ | |
346 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 5) | |
18019753 RL |
347 | #define encode_reclaim_complete_maxsz (op_encode_hdr_maxsz + 4) |
348 | #define decode_reclaim_complete_maxsz (op_decode_hdr_maxsz + 4) | |
7f11d8d3 AA |
349 | #define encode_getdevicelist_maxsz (op_encode_hdr_maxsz + 4 + \ |
350 | encode_verifier_maxsz) | |
351 | #define decode_getdevicelist_maxsz (op_decode_hdr_maxsz + \ | |
352 | 2 /* nfs_cookie4 gdlr_cookie */ + \ | |
353 | decode_verifier_maxsz \ | |
354 | /* verifier4 gdlr_verifier */ + \ | |
355 | 1 /* gdlr_deviceid_list count */ + \ | |
356 | XDR_QUADLEN(NFS4_PNFS_GETDEVLIST_MAXNUM * \ | |
357 | NFS4_DEVICEID4_SIZE) \ | |
358 | /* gdlr_deviceid_list */ + \ | |
359 | 1 /* bool gdlr_eof */) | |
b1f69b75 AA |
360 | #define encode_getdeviceinfo_maxsz (op_encode_hdr_maxsz + 4 + \ |
361 | XDR_QUADLEN(NFS4_DEVICEID4_SIZE)) | |
362 | #define decode_getdeviceinfo_maxsz (op_decode_hdr_maxsz + \ | |
363 | 1 /* layout type */ + \ | |
364 | 1 /* opaque devaddr4 length */ + \ | |
365 | /* devaddr4 payload is read into page */ \ | |
366 | 1 /* notification bitmap length */ + \ | |
367 | 1 /* notification bitmap */) | |
368 | #define encode_layoutget_maxsz (op_encode_hdr_maxsz + 10 + \ | |
369 | encode_stateid_maxsz) | |
370 | #define decode_layoutget_maxsz (op_decode_hdr_maxsz + 8 + \ | |
371 | decode_stateid_maxsz + \ | |
372 | XDR_QUADLEN(PNFS_LAYOUT_MAXSIZE)) | |
863a3c6c AA |
373 | #define encode_layoutcommit_maxsz (op_encode_hdr_maxsz + \ |
374 | 2 /* offset */ + \ | |
375 | 2 /* length */ + \ | |
376 | 1 /* reclaim */ + \ | |
377 | encode_stateid_maxsz + \ | |
378 | 1 /* new offset (true) */ + \ | |
379 | 2 /* last byte written */ + \ | |
380 | 1 /* nt_timechanged (false) */ + \ | |
381 | 1 /* layoutupdate4 layout type */ + \ | |
382 | 1 /* NULL filelayout layoutupdate4 payload */) | |
383 | #define decode_layoutcommit_maxsz (op_decode_hdr_maxsz + 3) | |
cbe82603 BH |
384 | #define encode_layoutreturn_maxsz (8 + op_encode_hdr_maxsz + \ |
385 | encode_stateid_maxsz + \ | |
386 | 1 /* FIXME: opaque lrf_body always empty at the moment */) | |
387 | #define decode_layoutreturn_maxsz (op_decode_hdr_maxsz + \ | |
388 | 1 + decode_stateid_maxsz) | |
fca78d6d BS |
389 | #define encode_secinfo_no_name_maxsz (op_encode_hdr_maxsz + 1) |
390 | #define decode_secinfo_no_name_maxsz decode_secinfo_maxsz | |
7d974794 BS |
391 | #define encode_test_stateid_maxsz (op_encode_hdr_maxsz + 2 + \ |
392 | XDR_QUADLEN(NFS4_STATEID_SIZE)) | |
393 | #define decode_test_stateid_maxsz (op_decode_hdr_maxsz + 2 + 1) | |
9aeda35f BS |
394 | #define encode_free_stateid_maxsz (op_encode_hdr_maxsz + 1 + \ |
395 | XDR_QUADLEN(NFS4_STATEID_SIZE)) | |
396 | #define decode_free_stateid_maxsz (op_decode_hdr_maxsz + 1) | |
9b7b9fcc AA |
397 | #else /* CONFIG_NFS_V4_1 */ |
398 | #define encode_sequence_maxsz 0 | |
399 | #define decode_sequence_maxsz 0 | |
400 | #endif /* CONFIG_NFS_V4_1 */ | |
401 | ||
1da177e4 LT |
402 | #define NFS4_enc_compound_sz (1024) /* XXX: large enough? */ |
403 | #define NFS4_dec_compound_sz (1024) /* XXX: large enough? */ | |
404 | #define NFS4_enc_read_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 405 | encode_sequence_maxsz + \ |
1da177e4 | 406 | encode_putfh_maxsz + \ |
9104a55d | 407 | encode_read_maxsz) |
1da177e4 | 408 | #define NFS4_dec_read_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 409 | decode_sequence_maxsz + \ |
1da177e4 | 410 | decode_putfh_maxsz + \ |
9104a55d | 411 | decode_read_maxsz) |
1da177e4 | 412 | #define NFS4_enc_readlink_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 413 | encode_sequence_maxsz + \ |
1da177e4 | 414 | encode_putfh_maxsz + \ |
9104a55d | 415 | encode_readlink_maxsz) |
1da177e4 | 416 | #define NFS4_dec_readlink_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 417 | decode_sequence_maxsz + \ |
1da177e4 | 418 | decode_putfh_maxsz + \ |
9104a55d | 419 | decode_readlink_maxsz) |
1da177e4 | 420 | #define NFS4_enc_readdir_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 421 | encode_sequence_maxsz + \ |
1da177e4 | 422 | encode_putfh_maxsz + \ |
9104a55d | 423 | encode_readdir_maxsz) |
1da177e4 | 424 | #define NFS4_dec_readdir_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 425 | decode_sequence_maxsz + \ |
1da177e4 | 426 | decode_putfh_maxsz + \ |
9104a55d | 427 | decode_readdir_maxsz) |
1da177e4 | 428 | #define NFS4_enc_write_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 429 | encode_sequence_maxsz + \ |
1da177e4 | 430 | encode_putfh_maxsz + \ |
9104a55d | 431 | encode_write_maxsz + \ |
4f9838c7 | 432 | encode_getattr_maxsz) |
1da177e4 | 433 | #define NFS4_dec_write_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 434 | decode_sequence_maxsz + \ |
1da177e4 | 435 | decode_putfh_maxsz + \ |
9104a55d | 436 | decode_write_maxsz + \ |
4f9838c7 | 437 | decode_getattr_maxsz) |
1da177e4 | 438 | #define NFS4_enc_commit_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 439 | encode_sequence_maxsz + \ |
1da177e4 | 440 | encode_putfh_maxsz + \ |
8582715e | 441 | encode_commit_maxsz) |
1da177e4 | 442 | #define NFS4_dec_commit_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 443 | decode_sequence_maxsz + \ |
1da177e4 | 444 | decode_putfh_maxsz + \ |
8582715e | 445 | decode_commit_maxsz) |
1da177e4 | 446 | #define NFS4_enc_open_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 447 | encode_sequence_maxsz + \ |
2cebf828 | 448 | encode_putfh_maxsz + \ |
2cebf828 | 449 | encode_open_maxsz + \ |
6168f62c | 450 | encode_access_maxsz + \ |
2cebf828 | 451 | encode_getfh_maxsz + \ |
2cebf828 | 452 | encode_getattr_maxsz) |
1da177e4 | 453 | #define NFS4_dec_open_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 454 | decode_sequence_maxsz + \ |
2cebf828 | 455 | decode_putfh_maxsz + \ |
2cebf828 | 456 | decode_open_maxsz + \ |
6168f62c | 457 | decode_access_maxsz + \ |
2cebf828 | 458 | decode_getfh_maxsz + \ |
2cebf828 | 459 | decode_getattr_maxsz) |
9104a55d TM |
460 | #define NFS4_enc_open_confirm_sz \ |
461 | (compound_encode_hdr_maxsz + \ | |
462 | encode_putfh_maxsz + \ | |
463 | encode_open_confirm_maxsz) | |
464 | #define NFS4_dec_open_confirm_sz \ | |
465 | (compound_decode_hdr_maxsz + \ | |
466 | decode_putfh_maxsz + \ | |
467 | decode_open_confirm_maxsz) | |
1da177e4 | 468 | #define NFS4_enc_open_noattr_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 469 | encode_sequence_maxsz + \ |
1da177e4 | 470 | encode_putfh_maxsz + \ |
2cebf828 | 471 | encode_open_maxsz + \ |
6168f62c | 472 | encode_access_maxsz + \ |
2cebf828 | 473 | encode_getattr_maxsz) |
1da177e4 | 474 | #define NFS4_dec_open_noattr_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 475 | decode_sequence_maxsz + \ |
1da177e4 | 476 | decode_putfh_maxsz + \ |
2cebf828 | 477 | decode_open_maxsz + \ |
6168f62c | 478 | decode_access_maxsz + \ |
2cebf828 | 479 | decode_getattr_maxsz) |
1da177e4 LT |
480 | #define NFS4_enc_open_downgrade_sz \ |
481 | (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 482 | encode_sequence_maxsz + \ |
9104a55d TM |
483 | encode_putfh_maxsz + \ |
484 | encode_open_downgrade_maxsz + \ | |
485 | encode_getattr_maxsz) | |
1da177e4 LT |
486 | #define NFS4_dec_open_downgrade_sz \ |
487 | (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 488 | decode_sequence_maxsz + \ |
9104a55d TM |
489 | decode_putfh_maxsz + \ |
490 | decode_open_downgrade_maxsz + \ | |
491 | decode_getattr_maxsz) | |
492 | #define NFS4_enc_close_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 493 | encode_sequence_maxsz + \ |
9104a55d TM |
494 | encode_putfh_maxsz + \ |
495 | encode_close_maxsz + \ | |
496 | encode_getattr_maxsz) | |
497 | #define NFS4_dec_close_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 498 | decode_sequence_maxsz + \ |
9104a55d TM |
499 | decode_putfh_maxsz + \ |
500 | decode_close_maxsz + \ | |
501 | decode_getattr_maxsz) | |
502 | #define NFS4_enc_setattr_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 503 | encode_sequence_maxsz + \ |
9104a55d TM |
504 | encode_putfh_maxsz + \ |
505 | encode_setattr_maxsz + \ | |
506 | encode_getattr_maxsz) | |
507 | #define NFS4_dec_setattr_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 508 | decode_sequence_maxsz + \ |
9104a55d TM |
509 | decode_putfh_maxsz + \ |
510 | decode_setattr_maxsz + \ | |
511 | decode_getattr_maxsz) | |
1da177e4 | 512 | #define NFS4_enc_fsinfo_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 513 | encode_sequence_maxsz + \ |
1da177e4 LT |
514 | encode_putfh_maxsz + \ |
515 | encode_fsinfo_maxsz) | |
516 | #define NFS4_dec_fsinfo_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 517 | decode_sequence_maxsz + \ |
1da177e4 LT |
518 | decode_putfh_maxsz + \ |
519 | decode_fsinfo_maxsz) | |
520 | #define NFS4_enc_renew_sz (compound_encode_hdr_maxsz + \ | |
521 | encode_renew_maxsz) | |
522 | #define NFS4_dec_renew_sz (compound_decode_hdr_maxsz + \ | |
523 | decode_renew_maxsz) | |
524 | #define NFS4_enc_setclientid_sz (compound_encode_hdr_maxsz + \ | |
525 | encode_setclientid_maxsz) | |
526 | #define NFS4_dec_setclientid_sz (compound_decode_hdr_maxsz + \ | |
527 | decode_setclientid_maxsz) | |
528 | #define NFS4_enc_setclientid_confirm_sz \ | |
529 | (compound_encode_hdr_maxsz + \ | |
530 | encode_setclientid_confirm_maxsz + \ | |
531 | encode_putrootfh_maxsz + \ | |
532 | encode_fsinfo_maxsz) | |
533 | #define NFS4_dec_setclientid_confirm_sz \ | |
534 | (compound_decode_hdr_maxsz + \ | |
535 | decode_setclientid_confirm_maxsz + \ | |
536 | decode_putrootfh_maxsz + \ | |
537 | decode_fsinfo_maxsz) | |
538 | #define NFS4_enc_lock_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 539 | encode_sequence_maxsz + \ |
1da177e4 | 540 | encode_putfh_maxsz + \ |
9104a55d | 541 | encode_lock_maxsz) |
1da177e4 | 542 | #define NFS4_dec_lock_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 543 | decode_sequence_maxsz + \ |
1da177e4 | 544 | decode_putfh_maxsz + \ |
9104a55d | 545 | decode_lock_maxsz) |
1da177e4 | 546 | #define NFS4_enc_lockt_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 547 | encode_sequence_maxsz + \ |
1da177e4 | 548 | encode_putfh_maxsz + \ |
9104a55d TM |
549 | encode_lockt_maxsz) |
550 | #define NFS4_dec_lockt_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 551 | decode_sequence_maxsz + \ |
9104a55d TM |
552 | decode_putfh_maxsz + \ |
553 | decode_lockt_maxsz) | |
1da177e4 | 554 | #define NFS4_enc_locku_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 555 | encode_sequence_maxsz + \ |
1da177e4 | 556 | encode_putfh_maxsz + \ |
9104a55d | 557 | encode_locku_maxsz) |
1da177e4 | 558 | #define NFS4_dec_locku_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 559 | decode_sequence_maxsz + \ |
1da177e4 | 560 | decode_putfh_maxsz + \ |
9104a55d | 561 | decode_locku_maxsz) |
d3c7b7cc TM |
562 | #define NFS4_enc_release_lockowner_sz \ |
563 | (compound_encode_hdr_maxsz + \ | |
564 | encode_lockowner_maxsz) | |
565 | #define NFS4_dec_release_lockowner_sz \ | |
566 | (compound_decode_hdr_maxsz + \ | |
567 | decode_lockowner_maxsz) | |
1da177e4 | 568 | #define NFS4_enc_access_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 569 | encode_sequence_maxsz + \ |
1da177e4 | 570 | encode_putfh_maxsz + \ |
76b32999 TM |
571 | encode_access_maxsz + \ |
572 | encode_getattr_maxsz) | |
1da177e4 | 573 | #define NFS4_dec_access_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 574 | decode_sequence_maxsz + \ |
1da177e4 | 575 | decode_putfh_maxsz + \ |
76b32999 TM |
576 | decode_access_maxsz + \ |
577 | decode_getattr_maxsz) | |
1da177e4 | 578 | #define NFS4_enc_getattr_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 579 | encode_sequence_maxsz + \ |
1da177e4 LT |
580 | encode_putfh_maxsz + \ |
581 | encode_getattr_maxsz) | |
582 | #define NFS4_dec_getattr_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 583 | decode_sequence_maxsz + \ |
1da177e4 LT |
584 | decode_putfh_maxsz + \ |
585 | decode_getattr_maxsz) | |
586 | #define NFS4_enc_lookup_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 587 | encode_sequence_maxsz + \ |
1da177e4 LT |
588 | encode_putfh_maxsz + \ |
589 | encode_lookup_maxsz + \ | |
590 | encode_getattr_maxsz + \ | |
591 | encode_getfh_maxsz) | |
592 | #define NFS4_dec_lookup_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 593 | decode_sequence_maxsz + \ |
1da177e4 | 594 | decode_putfh_maxsz + \ |
e6889620 | 595 | decode_lookup_maxsz + \ |
1da177e4 LT |
596 | decode_getattr_maxsz + \ |
597 | decode_getfh_maxsz) | |
598 | #define NFS4_enc_lookup_root_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 599 | encode_sequence_maxsz + \ |
1da177e4 LT |
600 | encode_putrootfh_maxsz + \ |
601 | encode_getattr_maxsz + \ | |
602 | encode_getfh_maxsz) | |
603 | #define NFS4_dec_lookup_root_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 604 | decode_sequence_maxsz + \ |
1da177e4 LT |
605 | decode_putrootfh_maxsz + \ |
606 | decode_getattr_maxsz + \ | |
607 | decode_getfh_maxsz) | |
608 | #define NFS4_enc_remove_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 609 | encode_sequence_maxsz + \ |
1da177e4 | 610 | encode_putfh_maxsz + \ |
778d2817 | 611 | encode_remove_maxsz) |
1da177e4 | 612 | #define NFS4_dec_remove_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 613 | decode_sequence_maxsz + \ |
1da177e4 | 614 | decode_putfh_maxsz + \ |
778d2817 | 615 | decode_remove_maxsz) |
1da177e4 | 616 | #define NFS4_enc_rename_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 617 | encode_sequence_maxsz + \ |
1da177e4 LT |
618 | encode_putfh_maxsz + \ |
619 | encode_savefh_maxsz + \ | |
620 | encode_putfh_maxsz + \ | |
778d2817 | 621 | encode_rename_maxsz) |
1da177e4 | 622 | #define NFS4_dec_rename_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 623 | decode_sequence_maxsz + \ |
1da177e4 LT |
624 | decode_putfh_maxsz + \ |
625 | decode_savefh_maxsz + \ | |
626 | decode_putfh_maxsz + \ | |
778d2817 | 627 | decode_rename_maxsz) |
1da177e4 | 628 | #define NFS4_enc_link_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 629 | encode_sequence_maxsz + \ |
1da177e4 LT |
630 | encode_putfh_maxsz + \ |
631 | encode_savefh_maxsz + \ | |
632 | encode_putfh_maxsz + \ | |
91ba2eee | 633 | encode_link_maxsz + \ |
91ba2eee | 634 | encode_restorefh_maxsz + \ |
a9f6991b | 635 | encode_getattr_maxsz) |
1da177e4 | 636 | #define NFS4_dec_link_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 637 | decode_sequence_maxsz + \ |
1da177e4 LT |
638 | decode_putfh_maxsz + \ |
639 | decode_savefh_maxsz + \ | |
640 | decode_putfh_maxsz + \ | |
91ba2eee | 641 | decode_link_maxsz + \ |
91ba2eee TM |
642 | decode_restorefh_maxsz + \ |
643 | decode_getattr_maxsz) | |
1da177e4 | 644 | #define NFS4_enc_symlink_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 645 | encode_sequence_maxsz + \ |
1da177e4 LT |
646 | encode_putfh_maxsz + \ |
647 | encode_symlink_maxsz + \ | |
648 | encode_getattr_maxsz + \ | |
649 | encode_getfh_maxsz) | |
650 | #define NFS4_dec_symlink_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 651 | decode_sequence_maxsz + \ |
1da177e4 LT |
652 | decode_putfh_maxsz + \ |
653 | decode_symlink_maxsz + \ | |
654 | decode_getattr_maxsz + \ | |
655 | decode_getfh_maxsz) | |
656 | #define NFS4_enc_create_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 657 | encode_sequence_maxsz + \ |
1da177e4 LT |
658 | encode_putfh_maxsz + \ |
659 | encode_create_maxsz + \ | |
56ae19f3 | 660 | encode_getfh_maxsz + \ |
56ae19f3 | 661 | encode_getattr_maxsz) |
1da177e4 | 662 | #define NFS4_dec_create_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 663 | decode_sequence_maxsz + \ |
1da177e4 LT |
664 | decode_putfh_maxsz + \ |
665 | decode_create_maxsz + \ | |
56ae19f3 | 666 | decode_getfh_maxsz + \ |
56ae19f3 | 667 | decode_getattr_maxsz) |
1da177e4 | 668 | #define NFS4_enc_pathconf_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 669 | encode_sequence_maxsz + \ |
1da177e4 LT |
670 | encode_putfh_maxsz + \ |
671 | encode_getattr_maxsz) | |
672 | #define NFS4_dec_pathconf_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 673 | decode_sequence_maxsz + \ |
1da177e4 LT |
674 | decode_putfh_maxsz + \ |
675 | decode_getattr_maxsz) | |
676 | #define NFS4_enc_statfs_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 677 | encode_sequence_maxsz + \ |
1da177e4 | 678 | encode_putfh_maxsz + \ |
9104a55d | 679 | encode_statfs_maxsz) |
1da177e4 | 680 | #define NFS4_dec_statfs_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 681 | decode_sequence_maxsz + \ |
1da177e4 | 682 | decode_putfh_maxsz + \ |
9104a55d | 683 | decode_statfs_maxsz) |
1da177e4 | 684 | #define NFS4_enc_server_caps_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 685 | encode_sequence_maxsz + \ |
ab91f264 | 686 | encode_putfh_maxsz + \ |
1da177e4 LT |
687 | encode_getattr_maxsz) |
688 | #define NFS4_dec_server_caps_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 689 | decode_sequence_maxsz + \ |
ab91f264 | 690 | decode_putfh_maxsz + \ |
1da177e4 LT |
691 | decode_getattr_maxsz) |
692 | #define NFS4_enc_delegreturn_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 693 | encode_sequence_maxsz + \ |
1da177e4 | 694 | encode_putfh_maxsz + \ |
fa178f29 TM |
695 | encode_delegreturn_maxsz + \ |
696 | encode_getattr_maxsz) | |
1da177e4 | 697 | #define NFS4_dec_delegreturn_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 698 | decode_sequence_maxsz + \ |
fa178f29 TM |
699 | decode_delegreturn_maxsz + \ |
700 | decode_getattr_maxsz) | |
029d105e | 701 | #define NFS4_enc_getacl_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 702 | encode_sequence_maxsz + \ |
029d105e | 703 | encode_putfh_maxsz + \ |
9104a55d | 704 | encode_getacl_maxsz) |
029d105e | 705 | #define NFS4_dec_getacl_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 706 | decode_sequence_maxsz + \ |
029d105e | 707 | decode_putfh_maxsz + \ |
9104a55d | 708 | decode_getacl_maxsz) |
23ec6965 | 709 | #define NFS4_enc_setacl_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 710 | encode_sequence_maxsz + \ |
23ec6965 | 711 | encode_putfh_maxsz + \ |
9104a55d | 712 | encode_setacl_maxsz) |
23ec6965 | 713 | #define NFS4_dec_setacl_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 714 | decode_sequence_maxsz + \ |
23ec6965 | 715 | decode_putfh_maxsz + \ |
9104a55d | 716 | decode_setacl_maxsz) |
683b57b4 TM |
717 | #define NFS4_enc_fs_locations_sz \ |
718 | (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 719 | encode_sequence_maxsz + \ |
683b57b4 | 720 | encode_putfh_maxsz + \ |
e6889620 TM |
721 | encode_lookup_maxsz + \ |
722 | encode_fs_locations_maxsz) | |
683b57b4 TM |
723 | #define NFS4_dec_fs_locations_sz \ |
724 | (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 725 | decode_sequence_maxsz + \ |
683b57b4 | 726 | decode_putfh_maxsz + \ |
e6889620 TM |
727 | decode_lookup_maxsz + \ |
728 | decode_fs_locations_maxsz) | |
5a5ea0d4 BS |
729 | #define NFS4_enc_secinfo_sz (compound_encode_hdr_maxsz + \ |
730 | encode_sequence_maxsz + \ | |
731 | encode_putfh_maxsz + \ | |
732 | encode_secinfo_maxsz) | |
733 | #define NFS4_dec_secinfo_sz (compound_decode_hdr_maxsz + \ | |
734 | decode_sequence_maxsz + \ | |
735 | decode_putfh_maxsz + \ | |
736 | decode_secinfo_maxsz) | |
99fe60d0 | 737 | #if defined(CONFIG_NFS_V4_1) |
7c44f1ae WAA |
738 | #define NFS4_enc_bind_conn_to_session_sz \ |
739 | (compound_encode_hdr_maxsz + \ | |
740 | encode_bind_conn_to_session_maxsz) | |
741 | #define NFS4_dec_bind_conn_to_session_sz \ | |
742 | (compound_decode_hdr_maxsz + \ | |
743 | decode_bind_conn_to_session_maxsz) | |
99fe60d0 BH |
744 | #define NFS4_enc_exchange_id_sz \ |
745 | (compound_encode_hdr_maxsz + \ | |
746 | encode_exchange_id_maxsz) | |
747 | #define NFS4_dec_exchange_id_sz \ | |
748 | (compound_decode_hdr_maxsz + \ | |
749 | decode_exchange_id_maxsz) | |
fc931582 AA |
750 | #define NFS4_enc_create_session_sz \ |
751 | (compound_encode_hdr_maxsz + \ | |
752 | encode_create_session_maxsz) | |
753 | #define NFS4_dec_create_session_sz \ | |
754 | (compound_decode_hdr_maxsz + \ | |
755 | decode_create_session_maxsz) | |
0f3e66c6 AA |
756 | #define NFS4_enc_destroy_session_sz (compound_encode_hdr_maxsz + \ |
757 | encode_destroy_session_maxsz) | |
758 | #define NFS4_dec_destroy_session_sz (compound_decode_hdr_maxsz + \ | |
759 | decode_destroy_session_maxsz) | |
66245539 TM |
760 | #define NFS4_enc_destroy_clientid_sz (compound_encode_hdr_maxsz + \ |
761 | encode_destroy_clientid_maxsz) | |
762 | #define NFS4_dec_destroy_clientid_sz (compound_decode_hdr_maxsz + \ | |
763 | decode_destroy_clientid_maxsz) | |
fc01cea9 AA |
764 | #define NFS4_enc_sequence_sz \ |
765 | (compound_decode_hdr_maxsz + \ | |
766 | encode_sequence_maxsz) | |
767 | #define NFS4_dec_sequence_sz \ | |
768 | (compound_decode_hdr_maxsz + \ | |
769 | decode_sequence_maxsz) | |
2050f0cc AA |
770 | #define NFS4_enc_get_lease_time_sz (compound_encode_hdr_maxsz + \ |
771 | encode_sequence_maxsz + \ | |
772 | encode_putrootfh_maxsz + \ | |
773 | encode_fsinfo_maxsz) | |
774 | #define NFS4_dec_get_lease_time_sz (compound_decode_hdr_maxsz + \ | |
775 | decode_sequence_maxsz + \ | |
776 | decode_putrootfh_maxsz + \ | |
777 | decode_fsinfo_maxsz) | |
18019753 RL |
778 | #define NFS4_enc_reclaim_complete_sz (compound_encode_hdr_maxsz + \ |
779 | encode_sequence_maxsz + \ | |
780 | encode_reclaim_complete_maxsz) | |
781 | #define NFS4_dec_reclaim_complete_sz (compound_decode_hdr_maxsz + \ | |
782 | decode_sequence_maxsz + \ | |
783 | decode_reclaim_complete_maxsz) | |
7f11d8d3 AA |
784 | #define NFS4_enc_getdevicelist_sz (compound_encode_hdr_maxsz + \ |
785 | encode_sequence_maxsz + \ | |
786 | encode_putfh_maxsz + \ | |
787 | encode_getdevicelist_maxsz) | |
788 | #define NFS4_dec_getdevicelist_sz (compound_decode_hdr_maxsz + \ | |
789 | decode_sequence_maxsz + \ | |
790 | decode_putfh_maxsz + \ | |
791 | decode_getdevicelist_maxsz) | |
b1f69b75 AA |
792 | #define NFS4_enc_getdeviceinfo_sz (compound_encode_hdr_maxsz + \ |
793 | encode_sequence_maxsz +\ | |
794 | encode_getdeviceinfo_maxsz) | |
795 | #define NFS4_dec_getdeviceinfo_sz (compound_decode_hdr_maxsz + \ | |
796 | decode_sequence_maxsz + \ | |
797 | decode_getdeviceinfo_maxsz) | |
798 | #define NFS4_enc_layoutget_sz (compound_encode_hdr_maxsz + \ | |
799 | encode_sequence_maxsz + \ | |
800 | encode_putfh_maxsz + \ | |
801 | encode_layoutget_maxsz) | |
802 | #define NFS4_dec_layoutget_sz (compound_decode_hdr_maxsz + \ | |
803 | decode_sequence_maxsz + \ | |
804 | decode_putfh_maxsz + \ | |
805 | decode_layoutget_maxsz) | |
863a3c6c AA |
806 | #define NFS4_enc_layoutcommit_sz (compound_encode_hdr_maxsz + \ |
807 | encode_sequence_maxsz +\ | |
808 | encode_putfh_maxsz + \ | |
809 | encode_layoutcommit_maxsz + \ | |
810 | encode_getattr_maxsz) | |
811 | #define NFS4_dec_layoutcommit_sz (compound_decode_hdr_maxsz + \ | |
812 | decode_sequence_maxsz + \ | |
813 | decode_putfh_maxsz + \ | |
814 | decode_layoutcommit_maxsz + \ | |
815 | decode_getattr_maxsz) | |
cbe82603 BH |
816 | #define NFS4_enc_layoutreturn_sz (compound_encode_hdr_maxsz + \ |
817 | encode_sequence_maxsz + \ | |
818 | encode_putfh_maxsz + \ | |
819 | encode_layoutreturn_maxsz) | |
820 | #define NFS4_dec_layoutreturn_sz (compound_decode_hdr_maxsz + \ | |
821 | decode_sequence_maxsz + \ | |
822 | decode_putfh_maxsz + \ | |
823 | decode_layoutreturn_maxsz) | |
fca78d6d BS |
824 | #define NFS4_enc_secinfo_no_name_sz (compound_encode_hdr_maxsz + \ |
825 | encode_sequence_maxsz + \ | |
826 | encode_putrootfh_maxsz +\ | |
827 | encode_secinfo_no_name_maxsz) | |
828 | #define NFS4_dec_secinfo_no_name_sz (compound_decode_hdr_maxsz + \ | |
829 | decode_sequence_maxsz + \ | |
830 | decode_putrootfh_maxsz + \ | |
831 | decode_secinfo_no_name_maxsz) | |
7d974794 BS |
832 | #define NFS4_enc_test_stateid_sz (compound_encode_hdr_maxsz + \ |
833 | encode_sequence_maxsz + \ | |
834 | encode_test_stateid_maxsz) | |
835 | #define NFS4_dec_test_stateid_sz (compound_decode_hdr_maxsz + \ | |
836 | decode_sequence_maxsz + \ | |
837 | decode_test_stateid_maxsz) | |
9aeda35f BS |
838 | #define NFS4_enc_free_stateid_sz (compound_encode_hdr_maxsz + \ |
839 | encode_sequence_maxsz + \ | |
840 | encode_free_stateid_maxsz) | |
841 | #define NFS4_dec_free_stateid_sz (compound_decode_hdr_maxsz + \ | |
842 | decode_sequence_maxsz + \ | |
843 | decode_free_stateid_maxsz) | |
2449ea2e AB |
844 | |
845 | const u32 nfs41_maxwrite_overhead = ((RPC_MAX_HEADER_WITH_AUTH + | |
846 | compound_encode_hdr_maxsz + | |
847 | encode_sequence_maxsz + | |
848 | encode_putfh_maxsz + | |
849 | encode_getattr_maxsz) * | |
850 | XDR_UNIT); | |
851 | ||
852 | const u32 nfs41_maxread_overhead = ((RPC_MAX_HEADER_WITH_AUTH + | |
853 | compound_decode_hdr_maxsz + | |
854 | decode_sequence_maxsz + | |
855 | decode_putfh_maxsz) * | |
856 | XDR_UNIT); | |
99fe60d0 | 857 | #endif /* CONFIG_NFS_V4_1 */ |
1da177e4 | 858 | |
bca79478 TM |
859 | static const umode_t nfs_type2fmt[] = { |
860 | [NF4BAD] = 0, | |
861 | [NF4REG] = S_IFREG, | |
862 | [NF4DIR] = S_IFDIR, | |
863 | [NF4BLK] = S_IFBLK, | |
864 | [NF4CHR] = S_IFCHR, | |
865 | [NF4LNK] = S_IFLNK, | |
866 | [NF4SOCK] = S_IFSOCK, | |
867 | [NF4FIFO] = S_IFIFO, | |
868 | [NF4ATTRDIR] = 0, | |
869 | [NF4NAMEDATTR] = 0, | |
1da177e4 LT |
870 | }; |
871 | ||
872 | struct compound_hdr { | |
873 | int32_t status; | |
874 | uint32_t nops; | |
d017931c | 875 | __be32 * nops_p; |
1da177e4 LT |
876 | uint32_t taglen; |
877 | char * tag; | |
0c4e8c18 | 878 | uint32_t replen; /* expected reply words */ |
66cc0429 | 879 | u32 minorversion; |
1da177e4 LT |
880 | }; |
881 | ||
13c65ce9 BH |
882 | static __be32 *reserve_space(struct xdr_stream *xdr, size_t nbytes) |
883 | { | |
884 | __be32 *p = xdr_reserve_space(xdr, nbytes); | |
885 | BUG_ON(!p); | |
886 | return p; | |
887 | } | |
1da177e4 | 888 | |
cb17e556 TM |
889 | static void encode_opaque_fixed(struct xdr_stream *xdr, const void *buf, size_t len) |
890 | { | |
891 | __be32 *p; | |
892 | ||
893 | p = xdr_reserve_space(xdr, len); | |
894 | xdr_encode_opaque_fixed(p, buf, len); | |
895 | } | |
896 | ||
1da177e4 LT |
897 | static void encode_string(struct xdr_stream *xdr, unsigned int len, const char *str) |
898 | { | |
8687b63a | 899 | __be32 *p; |
1da177e4 | 900 | |
6fdfb0bc | 901 | p = reserve_space(xdr, 4 + len); |
1da177e4 LT |
902 | xdr_encode_opaque(p, str, len); |
903 | } | |
904 | ||
4ade9821 TM |
905 | static void encode_uint32(struct xdr_stream *xdr, u32 n) |
906 | { | |
907 | __be32 *p; | |
908 | ||
909 | p = reserve_space(xdr, 4); | |
910 | *p = cpu_to_be32(n); | |
911 | } | |
912 | ||
ff2eb681 TM |
913 | static void encode_uint64(struct xdr_stream *xdr, u64 n) |
914 | { | |
915 | __be32 *p; | |
916 | ||
917 | p = reserve_space(xdr, 8); | |
918 | xdr_encode_hyper(p, n); | |
919 | } | |
920 | ||
4ade9821 TM |
921 | static void encode_nfs4_seqid(struct xdr_stream *xdr, |
922 | const struct nfs_seqid *seqid) | |
923 | { | |
924 | encode_uint32(xdr, seqid->sequence->counter); | |
925 | } | |
926 | ||
0c4e8c18 BH |
927 | static void encode_compound_hdr(struct xdr_stream *xdr, |
928 | struct rpc_rqst *req, | |
929 | struct compound_hdr *hdr) | |
1da177e4 | 930 | { |
8687b63a | 931 | __be32 *p; |
a17c2153 | 932 | struct rpc_auth *auth = req->rq_cred->cr_auth; |
0c4e8c18 BH |
933 | |
934 | /* initialize running count of expected bytes in reply. | |
935 | * NOTE: the replied tag SHOULD be the same is the one sent, | |
936 | * but this is not required as a MUST for the server to do so. */ | |
937 | hdr->replen = RPC_REPHDRSIZE + auth->au_rslack + 3 + hdr->taglen; | |
1da177e4 | 938 | |
1da177e4 | 939 | BUG_ON(hdr->taglen > NFS4_MAXTAGLEN); |
6fdfb0bc TM |
940 | encode_string(xdr, hdr->taglen, hdr->tag); |
941 | p = reserve_space(xdr, 8); | |
e75bc1c8 | 942 | *p++ = cpu_to_be32(hdr->minorversion); |
d017931c | 943 | hdr->nops_p = p; |
34558513 | 944 | *p = cpu_to_be32(hdr->nops); |
d017931c AA |
945 | } |
946 | ||
ab19b481 TM |
947 | static void encode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 op, |
948 | uint32_t replen, | |
949 | struct compound_hdr *hdr) | |
950 | { | |
951 | encode_uint32(xdr, op); | |
952 | hdr->nops++; | |
953 | hdr->replen += replen; | |
954 | } | |
955 | ||
d017931c AA |
956 | static void encode_nops(struct compound_hdr *hdr) |
957 | { | |
fc931582 | 958 | BUG_ON(hdr->nops > NFS4_MAX_OPS); |
d017931c | 959 | *hdr->nops_p = htonl(hdr->nops); |
1da177e4 LT |
960 | } |
961 | ||
ea9d23f5 TM |
962 | static void encode_nfs4_stateid(struct xdr_stream *xdr, const nfs4_stateid *stateid) |
963 | { | |
2d2f24ad | 964 | encode_opaque_fixed(xdr, stateid, NFS4_STATEID_SIZE); |
ea9d23f5 TM |
965 | } |
966 | ||
1da177e4 LT |
967 | static void encode_nfs4_verifier(struct xdr_stream *xdr, const nfs4_verifier *verf) |
968 | { | |
cb17e556 | 969 | encode_opaque_fixed(xdr, verf->data, NFS4_VERIFIER_SIZE); |
1da177e4 LT |
970 | } |
971 | ||
cf8cdbe5 | 972 | static void encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const struct nfs_server *server) |
1da177e4 LT |
973 | { |
974 | char owner_name[IDMAP_NAMESZ]; | |
975 | char owner_group[IDMAP_NAMESZ]; | |
976 | int owner_namelen = 0; | |
977 | int owner_grouplen = 0; | |
8687b63a AV |
978 | __be32 *p; |
979 | __be32 *q; | |
1da177e4 LT |
980 | int len; |
981 | uint32_t bmval0 = 0; | |
982 | uint32_t bmval1 = 0; | |
1da177e4 LT |
983 | |
984 | /* | |
985 | * We reserve enough space to write the entire attribute buffer at once. | |
986 | * In the worst-case, this would be | |
987 | * 12(bitmap) + 4(attrlen) + 8(size) + 4(mode) + 4(atime) + 4(mtime) | |
988 | * = 36 bytes, plus any contribution from variable-length fields | |
23ec6965 | 989 | * such as owner/group. |
1da177e4 LT |
990 | */ |
991 | len = 16; | |
992 | ||
993 | /* Sigh */ | |
994 | if (iap->ia_valid & ATTR_SIZE) | |
995 | len += 8; | |
996 | if (iap->ia_valid & ATTR_MODE) | |
997 | len += 4; | |
998 | if (iap->ia_valid & ATTR_UID) { | |
e4fd72a1 | 999 | owner_namelen = nfs_map_uid_to_name(server, iap->ia_uid, owner_name, IDMAP_NAMESZ); |
1da177e4 | 1000 | if (owner_namelen < 0) { |
fe82a183 CL |
1001 | dprintk("nfs: couldn't resolve uid %d to string\n", |
1002 | iap->ia_uid); | |
1da177e4 LT |
1003 | /* XXX */ |
1004 | strcpy(owner_name, "nobody"); | |
1005 | owner_namelen = sizeof("nobody") - 1; | |
1006 | /* goto out; */ | |
1007 | } | |
1008 | len += 4 + (XDR_QUADLEN(owner_namelen) << 2); | |
1009 | } | |
1010 | if (iap->ia_valid & ATTR_GID) { | |
e4fd72a1 | 1011 | owner_grouplen = nfs_map_gid_to_group(server, iap->ia_gid, owner_group, IDMAP_NAMESZ); |
1da177e4 | 1012 | if (owner_grouplen < 0) { |
fe82a183 CL |
1013 | dprintk("nfs: couldn't resolve gid %d to string\n", |
1014 | iap->ia_gid); | |
1da177e4 LT |
1015 | strcpy(owner_group, "nobody"); |
1016 | owner_grouplen = sizeof("nobody") - 1; | |
1017 | /* goto out; */ | |
1018 | } | |
1019 | len += 4 + (XDR_QUADLEN(owner_grouplen) << 2); | |
1020 | } | |
1021 | if (iap->ia_valid & ATTR_ATIME_SET) | |
1022 | len += 16; | |
1023 | else if (iap->ia_valid & ATTR_ATIME) | |
1024 | len += 4; | |
1025 | if (iap->ia_valid & ATTR_MTIME_SET) | |
1026 | len += 16; | |
1027 | else if (iap->ia_valid & ATTR_MTIME) | |
1028 | len += 4; | |
13c65ce9 | 1029 | p = reserve_space(xdr, len); |
1da177e4 LT |
1030 | |
1031 | /* | |
1032 | * We write the bitmap length now, but leave the bitmap and the attribute | |
1033 | * buffer length to be backfilled at the end of this routine. | |
1034 | */ | |
e75bc1c8 | 1035 | *p++ = cpu_to_be32(2); |
1da177e4 LT |
1036 | q = p; |
1037 | p += 3; | |
1038 | ||
1039 | if (iap->ia_valid & ATTR_SIZE) { | |
1040 | bmval0 |= FATTR4_WORD0_SIZE; | |
b95be5a9 | 1041 | p = xdr_encode_hyper(p, iap->ia_size); |
1da177e4 LT |
1042 | } |
1043 | if (iap->ia_valid & ATTR_MODE) { | |
1044 | bmval1 |= FATTR4_WORD1_MODE; | |
e75bc1c8 | 1045 | *p++ = cpu_to_be32(iap->ia_mode & S_IALLUGO); |
1da177e4 LT |
1046 | } |
1047 | if (iap->ia_valid & ATTR_UID) { | |
1048 | bmval1 |= FATTR4_WORD1_OWNER; | |
811652bd | 1049 | p = xdr_encode_opaque(p, owner_name, owner_namelen); |
1da177e4 LT |
1050 | } |
1051 | if (iap->ia_valid & ATTR_GID) { | |
1052 | bmval1 |= FATTR4_WORD1_OWNER_GROUP; | |
811652bd | 1053 | p = xdr_encode_opaque(p, owner_group, owner_grouplen); |
1da177e4 LT |
1054 | } |
1055 | if (iap->ia_valid & ATTR_ATIME_SET) { | |
1056 | bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET; | |
e75bc1c8 BH |
1057 | *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); |
1058 | *p++ = cpu_to_be32(0); | |
d3f6baaa TM |
1059 | *p++ = cpu_to_be32(iap->ia_atime.tv_sec); |
1060 | *p++ = cpu_to_be32(iap->ia_atime.tv_nsec); | |
1da177e4 LT |
1061 | } |
1062 | else if (iap->ia_valid & ATTR_ATIME) { | |
1063 | bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET; | |
e75bc1c8 | 1064 | *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); |
1da177e4 LT |
1065 | } |
1066 | if (iap->ia_valid & ATTR_MTIME_SET) { | |
1067 | bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET; | |
e75bc1c8 BH |
1068 | *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); |
1069 | *p++ = cpu_to_be32(0); | |
1070 | *p++ = cpu_to_be32(iap->ia_mtime.tv_sec); | |
1071 | *p++ = cpu_to_be32(iap->ia_mtime.tv_nsec); | |
1da177e4 LT |
1072 | } |
1073 | else if (iap->ia_valid & ATTR_MTIME) { | |
1074 | bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET; | |
e75bc1c8 | 1075 | *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); |
1da177e4 | 1076 | } |
6c0195a4 | 1077 | |
1da177e4 LT |
1078 | /* |
1079 | * Now we backfill the bitmap and the attribute buffer length. | |
1080 | */ | |
1081 | if (len != ((char *)p - (char *)q) + 4) { | |
f9fd2d9c | 1082 | printk(KERN_ERR "NFS: Attr length error, %u != %Zu\n", |
1da177e4 LT |
1083 | len, ((char *)p - (char *)q) + 4); |
1084 | BUG(); | |
1085 | } | |
1086 | len = (char *)p - (char *)q - 12; | |
1087 | *q++ = htonl(bmval0); | |
1088 | *q++ = htonl(bmval1); | |
34558513 | 1089 | *q = htonl(len); |
1da177e4 | 1090 | |
1da177e4 | 1091 | /* out: */ |
1da177e4 LT |
1092 | } |
1093 | ||
cf8cdbe5 | 1094 | static void encode_access(struct xdr_stream *xdr, u32 access, struct compound_hdr *hdr) |
1da177e4 | 1095 | { |
475d4ba0 TM |
1096 | encode_op_hdr(xdr, OP_ACCESS, decode_access_maxsz, hdr); |
1097 | encode_uint32(xdr, access); | |
1da177e4 LT |
1098 | } |
1099 | ||
cf8cdbe5 | 1100 | static void encode_close(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1101 | { |
ab19b481 | 1102 | encode_op_hdr(xdr, OP_CLOSE, decode_close_maxsz, hdr); |
4ade9821 | 1103 | encode_nfs4_seqid(xdr, arg->seqid); |
ea9d23f5 | 1104 | encode_nfs4_stateid(xdr, arg->stateid); |
1da177e4 LT |
1105 | } |
1106 | ||
0b7c0153 | 1107 | static void encode_commit(struct xdr_stream *xdr, const struct nfs_commitargs *args, struct compound_hdr *hdr) |
1da177e4 | 1108 | { |
8687b63a | 1109 | __be32 *p; |
6c0195a4 | 1110 | |
475d4ba0 TM |
1111 | encode_op_hdr(xdr, OP_COMMIT, decode_commit_maxsz, hdr); |
1112 | p = reserve_space(xdr, 12); | |
b95be5a9 | 1113 | p = xdr_encode_hyper(p, args->offset); |
34558513 | 1114 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1115 | } |
1116 | ||
cf8cdbe5 | 1117 | static void encode_create(struct xdr_stream *xdr, const struct nfs4_create_arg *create, struct compound_hdr *hdr) |
1da177e4 | 1118 | { |
8687b63a | 1119 | __be32 *p; |
6c0195a4 | 1120 | |
475d4ba0 TM |
1121 | encode_op_hdr(xdr, OP_CREATE, decode_create_maxsz, hdr); |
1122 | encode_uint32(xdr, create->ftype); | |
1da177e4 LT |
1123 | |
1124 | switch (create->ftype) { | |
1125 | case NF4LNK: | |
13c65ce9 | 1126 | p = reserve_space(xdr, 4); |
34558513 | 1127 | *p = cpu_to_be32(create->u.symlink.len); |
94a6d753 | 1128 | xdr_write_pages(xdr, create->u.symlink.pages, 0, create->u.symlink.len); |
1da177e4 LT |
1129 | break; |
1130 | ||
1131 | case NF4BLK: case NF4CHR: | |
13c65ce9 | 1132 | p = reserve_space(xdr, 8); |
e75bc1c8 | 1133 | *p++ = cpu_to_be32(create->u.device.specdata1); |
34558513 | 1134 | *p = cpu_to_be32(create->u.device.specdata2); |
1da177e4 LT |
1135 | break; |
1136 | ||
1137 | default: | |
1138 | break; | |
1139 | } | |
1140 | ||
811652bd | 1141 | encode_string(xdr, create->name->len, create->name->name); |
cf8cdbe5 | 1142 | encode_attrs(xdr, create->attrs, create->server); |
1da177e4 LT |
1143 | } |
1144 | ||
cf8cdbe5 | 1145 | static void encode_getattr_one(struct xdr_stream *xdr, uint32_t bitmap, struct compound_hdr *hdr) |
1da177e4 | 1146 | { |
05d564fe | 1147 | __be32 *p; |
1da177e4 | 1148 | |
475d4ba0 TM |
1149 | encode_op_hdr(xdr, OP_GETATTR, decode_getattr_maxsz, hdr); |
1150 | p = reserve_space(xdr, 8); | |
e75bc1c8 | 1151 | *p++ = cpu_to_be32(1); |
34558513 | 1152 | *p = cpu_to_be32(bitmap); |
1da177e4 LT |
1153 | } |
1154 | ||
cf8cdbe5 | 1155 | static void encode_getattr_two(struct xdr_stream *xdr, uint32_t bm0, uint32_t bm1, struct compound_hdr *hdr) |
1da177e4 | 1156 | { |
05d564fe | 1157 | __be32 *p; |
1da177e4 | 1158 | |
475d4ba0 TM |
1159 | encode_op_hdr(xdr, OP_GETATTR, decode_getattr_maxsz, hdr); |
1160 | p = reserve_space(xdr, 12); | |
e75bc1c8 BH |
1161 | *p++ = cpu_to_be32(2); |
1162 | *p++ = cpu_to_be32(bm0); | |
34558513 | 1163 | *p = cpu_to_be32(bm1); |
1da177e4 LT |
1164 | } |
1165 | ||
dae100c2 FI |
1166 | static void |
1167 | encode_getattr_three(struct xdr_stream *xdr, | |
1168 | uint32_t bm0, uint32_t bm1, uint32_t bm2, | |
1169 | struct compound_hdr *hdr) | |
1170 | { | |
1171 | __be32 *p; | |
1172 | ||
ab19b481 | 1173 | encode_op_hdr(xdr, OP_GETATTR, decode_getattr_maxsz, hdr); |
dae100c2 FI |
1174 | if (bm2) { |
1175 | p = reserve_space(xdr, 16); | |
1176 | *p++ = cpu_to_be32(3); | |
1177 | *p++ = cpu_to_be32(bm0); | |
1178 | *p++ = cpu_to_be32(bm1); | |
1179 | *p = cpu_to_be32(bm2); | |
1180 | } else if (bm1) { | |
1181 | p = reserve_space(xdr, 12); | |
1182 | *p++ = cpu_to_be32(2); | |
1183 | *p++ = cpu_to_be32(bm0); | |
1184 | *p = cpu_to_be32(bm1); | |
1185 | } else { | |
1186 | p = reserve_space(xdr, 8); | |
1187 | *p++ = cpu_to_be32(1); | |
1188 | *p = cpu_to_be32(bm0); | |
1189 | } | |
dae100c2 FI |
1190 | } |
1191 | ||
cf8cdbe5 | 1192 | static void encode_getfattr(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
1da177e4 | 1193 | { |
cf8cdbe5 AA |
1194 | encode_getattr_two(xdr, bitmask[0] & nfs4_fattr_bitmap[0], |
1195 | bitmask[1] & nfs4_fattr_bitmap[1], hdr); | |
1da177e4 LT |
1196 | } |
1197 | ||
88034c3d | 1198 | static void encode_getfattr_open(struct xdr_stream *xdr, const u32 *bitmask, |
1549210f | 1199 | const u32 *open_bitmap, |
88034c3d AA |
1200 | struct compound_hdr *hdr) |
1201 | { | |
1202 | encode_getattr_three(xdr, | |
1549210f TM |
1203 | bitmask[0] & open_bitmap[0], |
1204 | bitmask[1] & open_bitmap[1], | |
1205 | bitmask[2] & open_bitmap[2], | |
88034c3d AA |
1206 | hdr); |
1207 | } | |
1208 | ||
cf8cdbe5 | 1209 | static void encode_fsinfo(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
1da177e4 | 1210 | { |
dae100c2 FI |
1211 | encode_getattr_three(xdr, |
1212 | bitmask[0] & nfs4_fsinfo_bitmap[0], | |
1213 | bitmask[1] & nfs4_fsinfo_bitmap[1], | |
1214 | bitmask[2] & nfs4_fsinfo_bitmap[2], | |
1215 | hdr); | |
1da177e4 LT |
1216 | } |
1217 | ||
cf8cdbe5 | 1218 | static void encode_fs_locations(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
830b8e33 | 1219 | { |
cf8cdbe5 AA |
1220 | encode_getattr_two(xdr, bitmask[0] & nfs4_fs_locations_bitmap[0], |
1221 | bitmask[1] & nfs4_fs_locations_bitmap[1], hdr); | |
830b8e33 MN |
1222 | } |
1223 | ||
cf8cdbe5 | 1224 | static void encode_getfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1225 | { |
ab19b481 | 1226 | encode_op_hdr(xdr, OP_GETFH, decode_getfh_maxsz, hdr); |
1da177e4 LT |
1227 | } |
1228 | ||
cf8cdbe5 | 1229 | static void encode_link(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1230 | { |
ab19b481 | 1231 | encode_op_hdr(xdr, OP_LINK, decode_link_maxsz, hdr); |
6fdfb0bc | 1232 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1233 | } |
1234 | ||
911d1aaf TM |
1235 | static inline int nfs4_lock_type(struct file_lock *fl, int block) |
1236 | { | |
f44106e2 | 1237 | if (fl->fl_type == F_RDLCK) |
911d1aaf TM |
1238 | return block ? NFS4_READW_LT : NFS4_READ_LT; |
1239 | return block ? NFS4_WRITEW_LT : NFS4_WRITE_LT; | |
1240 | } | |
1241 | ||
1242 | static inline uint64_t nfs4_lock_length(struct file_lock *fl) | |
1243 | { | |
1244 | if (fl->fl_end == OFFSET_MAX) | |
1245 | return ~(uint64_t)0; | |
1246 | return fl->fl_end - fl->fl_start + 1; | |
1247 | } | |
1248 | ||
daccbded TM |
1249 | static void encode_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner) |
1250 | { | |
1251 | __be32 *p; | |
1252 | ||
d035c36c | 1253 | p = reserve_space(xdr, 32); |
daccbded | 1254 | p = xdr_encode_hyper(p, lowner->clientid); |
d035c36c | 1255 | *p++ = cpu_to_be32(20); |
daccbded | 1256 | p = xdr_encode_opaque_fixed(p, "lock id:", 8); |
d035c36c | 1257 | *p++ = cpu_to_be32(lowner->s_dev); |
daccbded TM |
1258 | xdr_encode_hyper(p, lowner->id); |
1259 | } | |
1260 | ||
1da177e4 LT |
1261 | /* |
1262 | * opcode,type,reclaim,offset,length,new_lock_owner = 32 | |
1263 | * open_seqid,open_stateid,lock_seqid,lock_owner.clientid, lock_owner.id = 40 | |
1264 | */ | |
cf8cdbe5 | 1265 | static void encode_lock(struct xdr_stream *xdr, const struct nfs_lock_args *args, struct compound_hdr *hdr) |
1da177e4 | 1266 | { |
8687b63a | 1267 | __be32 *p; |
1da177e4 | 1268 | |
475d4ba0 TM |
1269 | encode_op_hdr(xdr, OP_LOCK, decode_lock_maxsz, hdr); |
1270 | p = reserve_space(xdr, 28); | |
e75bc1c8 BH |
1271 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, args->block)); |
1272 | *p++ = cpu_to_be32(args->reclaim); | |
b95be5a9 BH |
1273 | p = xdr_encode_hyper(p, args->fl->fl_start); |
1274 | p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); | |
34558513 | 1275 | *p = cpu_to_be32(args->new_lock_owner); |
911d1aaf | 1276 | if (args->new_lock_owner){ |
4ade9821 | 1277 | encode_nfs4_seqid(xdr, args->open_seqid); |
ea9d23f5 | 1278 | encode_nfs4_stateid(xdr, args->open_stateid); |
4ade9821 | 1279 | encode_nfs4_seqid(xdr, args->lock_seqid); |
daccbded | 1280 | encode_lockowner(xdr, &args->lock_owner); |
1da177e4 LT |
1281 | } |
1282 | else { | |
ea9d23f5 | 1283 | encode_nfs4_stateid(xdr, args->lock_stateid); |
4ade9821 | 1284 | encode_nfs4_seqid(xdr, args->lock_seqid); |
1da177e4 | 1285 | } |
1da177e4 LT |
1286 | } |
1287 | ||
cf8cdbe5 | 1288 | static void encode_lockt(struct xdr_stream *xdr, const struct nfs_lockt_args *args, struct compound_hdr *hdr) |
1da177e4 | 1289 | { |
8687b63a | 1290 | __be32 *p; |
1da177e4 | 1291 | |
475d4ba0 TM |
1292 | encode_op_hdr(xdr, OP_LOCKT, decode_lockt_maxsz, hdr); |
1293 | p = reserve_space(xdr, 20); | |
e75bc1c8 | 1294 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, 0)); |
b95be5a9 BH |
1295 | p = xdr_encode_hyper(p, args->fl->fl_start); |
1296 | p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); | |
daccbded | 1297 | encode_lockowner(xdr, &args->lock_owner); |
1da177e4 LT |
1298 | } |
1299 | ||
cf8cdbe5 | 1300 | static void encode_locku(struct xdr_stream *xdr, const struct nfs_locku_args *args, struct compound_hdr *hdr) |
1da177e4 | 1301 | { |
8687b63a | 1302 | __be32 *p; |
1da177e4 | 1303 | |
475d4ba0 TM |
1304 | encode_op_hdr(xdr, OP_LOCKU, decode_locku_maxsz, hdr); |
1305 | encode_uint32(xdr, nfs4_lock_type(args->fl, 0)); | |
4ade9821 | 1306 | encode_nfs4_seqid(xdr, args->seqid); |
ea9d23f5 TM |
1307 | encode_nfs4_stateid(xdr, args->stateid); |
1308 | p = reserve_space(xdr, 16); | |
b95be5a9 | 1309 | p = xdr_encode_hyper(p, args->fl->fl_start); |
34558513 | 1310 | xdr_encode_hyper(p, nfs4_lock_length(args->fl)); |
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 | { | |
ab19b481 | 1315 | encode_op_hdr(xdr, OP_RELEASE_LOCKOWNER, decode_release_lockowner_maxsz, hdr); |
d3c7b7cc | 1316 | encode_lockowner(xdr, lowner); |
d3c7b7cc TM |
1317 | } |
1318 | ||
cf8cdbe5 | 1319 | static void encode_lookup(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1320 | { |
ab19b481 | 1321 | encode_op_hdr(xdr, OP_LOOKUP, decode_lookup_maxsz, hdr); |
6fdfb0bc | 1322 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1323 | } |
1324 | ||
dc0b027d | 1325 | static void encode_share_access(struct xdr_stream *xdr, fmode_t fmode) |
1da177e4 | 1326 | { |
8687b63a | 1327 | __be32 *p; |
1da177e4 | 1328 | |
13c65ce9 | 1329 | p = reserve_space(xdr, 8); |
dc0b027d | 1330 | switch (fmode & (FMODE_READ|FMODE_WRITE)) { |
05d564fe | 1331 | case FMODE_READ: |
e75bc1c8 | 1332 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_READ); |
05d564fe AA |
1333 | break; |
1334 | case FMODE_WRITE: | |
e75bc1c8 | 1335 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_WRITE); |
05d564fe AA |
1336 | break; |
1337 | case FMODE_READ|FMODE_WRITE: | |
e75bc1c8 | 1338 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_BOTH); |
05d564fe AA |
1339 | break; |
1340 | default: | |
e75bc1c8 | 1341 | *p++ = cpu_to_be32(0); |
1da177e4 | 1342 | } |
34558513 | 1343 | *p = cpu_to_be32(0); /* for linux, share_deny = 0 always */ |
1da177e4 LT |
1344 | } |
1345 | ||
1346 | static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1347 | { | |
8687b63a | 1348 | __be32 *p; |
1da177e4 LT |
1349 | /* |
1350 | * opcode 4, seqid 4, share_access 4, share_deny 4, clientid 8, ownerlen 4, | |
1351 | * owner 4 = 32 | |
1352 | */ | |
4ade9821 | 1353 | encode_nfs4_seqid(xdr, arg->seqid); |
dc0b027d | 1354 | encode_share_access(xdr, arg->fmode); |
95b72eb0 | 1355 | p = reserve_space(xdr, 36); |
b95be5a9 | 1356 | p = xdr_encode_hyper(p, arg->clientid); |
95b72eb0 | 1357 | *p++ = cpu_to_be32(24); |
93f0cf25 | 1358 | p = xdr_encode_opaque_fixed(p, "open id:", 8); |
d035c36c | 1359 | *p++ = cpu_to_be32(arg->server->s_dev); |
95b72eb0 TM |
1360 | *p++ = cpu_to_be32(arg->id.uniquifier); |
1361 | xdr_encode_hyper(p, arg->id.create_time); | |
1da177e4 LT |
1362 | } |
1363 | ||
1364 | static inline void encode_createmode(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1365 | { | |
8687b63a | 1366 | __be32 *p; |
4882ef72 | 1367 | struct nfs_client *clp; |
1da177e4 | 1368 | |
13c65ce9 | 1369 | p = reserve_space(xdr, 4); |
1da177e4 | 1370 | switch(arg->open_flags & O_EXCL) { |
05d564fe | 1371 | case 0: |
34558513 | 1372 | *p = cpu_to_be32(NFS4_CREATE_UNCHECKED); |
05d564fe AA |
1373 | encode_attrs(xdr, arg->u.attrs, arg->server); |
1374 | break; | |
1375 | default: | |
4882ef72 | 1376 | clp = arg->server->nfs_client; |
a4432345 | 1377 | if (clp->cl_mvops->minor_version > 0) { |
4882ef72 AB |
1378 | if (nfs4_has_persistent_session(clp)) { |
1379 | *p = cpu_to_be32(NFS4_CREATE_GUARDED); | |
1380 | encode_attrs(xdr, arg->u.attrs, arg->server); | |
1381 | } else { | |
1382 | struct iattr dummy; | |
1383 | ||
1384 | *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE4_1); | |
1385 | encode_nfs4_verifier(xdr, &arg->u.verifier); | |
1386 | dummy.ia_valid = 0; | |
1387 | encode_attrs(xdr, &dummy, arg->server); | |
1388 | } | |
1389 | } else { | |
1390 | *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE); | |
1391 | encode_nfs4_verifier(xdr, &arg->u.verifier); | |
1392 | } | |
1da177e4 LT |
1393 | } |
1394 | } | |
1395 | ||
1396 | static void encode_opentype(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1397 | { | |
8687b63a | 1398 | __be32 *p; |
1da177e4 | 1399 | |
13c65ce9 | 1400 | p = reserve_space(xdr, 4); |
1da177e4 | 1401 | switch (arg->open_flags & O_CREAT) { |
05d564fe | 1402 | case 0: |
34558513 | 1403 | *p = cpu_to_be32(NFS4_OPEN_NOCREATE); |
05d564fe AA |
1404 | break; |
1405 | default: | |
1406 | BUG_ON(arg->claim != NFS4_OPEN_CLAIM_NULL); | |
34558513 | 1407 | *p = cpu_to_be32(NFS4_OPEN_CREATE); |
05d564fe | 1408 | encode_createmode(xdr, arg); |
1da177e4 LT |
1409 | } |
1410 | } | |
1411 | ||
bd7bf9d5 | 1412 | static inline void encode_delegation_type(struct xdr_stream *xdr, fmode_t delegation_type) |
1da177e4 | 1413 | { |
8687b63a | 1414 | __be32 *p; |
1da177e4 | 1415 | |
13c65ce9 | 1416 | p = reserve_space(xdr, 4); |
1da177e4 | 1417 | switch (delegation_type) { |
05d564fe | 1418 | case 0: |
34558513 | 1419 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_NONE); |
05d564fe AA |
1420 | break; |
1421 | case FMODE_READ: | |
34558513 | 1422 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_READ); |
05d564fe AA |
1423 | break; |
1424 | case FMODE_WRITE|FMODE_READ: | |
34558513 | 1425 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_WRITE); |
05d564fe AA |
1426 | break; |
1427 | default: | |
1428 | BUG(); | |
1da177e4 LT |
1429 | } |
1430 | } | |
1431 | ||
1432 | static inline void encode_claim_null(struct xdr_stream *xdr, const struct qstr *name) | |
1433 | { | |
8687b63a | 1434 | __be32 *p; |
1da177e4 | 1435 | |
13c65ce9 | 1436 | p = reserve_space(xdr, 4); |
34558513 | 1437 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_NULL); |
1da177e4 LT |
1438 | encode_string(xdr, name->len, name->name); |
1439 | } | |
1440 | ||
bd7bf9d5 | 1441 | static inline void encode_claim_previous(struct xdr_stream *xdr, fmode_t type) |
1da177e4 | 1442 | { |
8687b63a | 1443 | __be32 *p; |
1da177e4 | 1444 | |
13c65ce9 | 1445 | p = reserve_space(xdr, 4); |
34558513 | 1446 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_PREVIOUS); |
1da177e4 LT |
1447 | encode_delegation_type(xdr, type); |
1448 | } | |
1449 | ||
1450 | static inline void encode_claim_delegate_cur(struct xdr_stream *xdr, const struct qstr *name, const nfs4_stateid *stateid) | |
1451 | { | |
8687b63a | 1452 | __be32 *p; |
1da177e4 | 1453 | |
ea9d23f5 TM |
1454 | p = reserve_space(xdr, 4); |
1455 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_DELEGATE_CUR); | |
1456 | encode_nfs4_stateid(xdr, stateid); | |
1da177e4 LT |
1457 | encode_string(xdr, name->len, name->name); |
1458 | } | |
1459 | ||
cf8cdbe5 | 1460 | static void encode_open(struct xdr_stream *xdr, const struct nfs_openargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1461 | { |
ab19b481 | 1462 | encode_op_hdr(xdr, OP_OPEN, decode_open_maxsz, hdr); |
1da177e4 LT |
1463 | encode_openhdr(xdr, arg); |
1464 | encode_opentype(xdr, arg); | |
1465 | switch (arg->claim) { | |
05d564fe AA |
1466 | case NFS4_OPEN_CLAIM_NULL: |
1467 | encode_claim_null(xdr, arg->name); | |
1468 | break; | |
1469 | case NFS4_OPEN_CLAIM_PREVIOUS: | |
1470 | encode_claim_previous(xdr, arg->u.delegation_type); | |
1471 | break; | |
1472 | case NFS4_OPEN_CLAIM_DELEGATE_CUR: | |
1473 | encode_claim_delegate_cur(xdr, arg->name, &arg->u.delegation); | |
1474 | break; | |
1475 | default: | |
1476 | BUG(); | |
1da177e4 | 1477 | } |
1da177e4 LT |
1478 | } |
1479 | ||
cf8cdbe5 | 1480 | static void encode_open_confirm(struct xdr_stream *xdr, const struct nfs_open_confirmargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1481 | { |
ab19b481 | 1482 | encode_op_hdr(xdr, OP_OPEN_CONFIRM, decode_open_confirm_maxsz, hdr); |
ea9d23f5 | 1483 | encode_nfs4_stateid(xdr, arg->stateid); |
4ade9821 | 1484 | encode_nfs4_seqid(xdr, arg->seqid); |
1da177e4 LT |
1485 | } |
1486 | ||
cf8cdbe5 | 1487 | static void encode_open_downgrade(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1488 | { |
ab19b481 | 1489 | encode_op_hdr(xdr, OP_OPEN_DOWNGRADE, decode_open_downgrade_maxsz, hdr); |
ea9d23f5 | 1490 | encode_nfs4_stateid(xdr, arg->stateid); |
4ade9821 | 1491 | encode_nfs4_seqid(xdr, arg->seqid); |
dc0b027d | 1492 | encode_share_access(xdr, arg->fmode); |
1da177e4 LT |
1493 | } |
1494 | ||
cf8cdbe5 | 1495 | static void |
d017931c | 1496 | encode_putfh(struct xdr_stream *xdr, const struct nfs_fh *fh, struct compound_hdr *hdr) |
1da177e4 | 1497 | { |
ab19b481 | 1498 | encode_op_hdr(xdr, OP_PUTFH, decode_putfh_maxsz, hdr); |
6fdfb0bc | 1499 | encode_string(xdr, fh->size, fh->data); |
1da177e4 LT |
1500 | } |
1501 | ||
cf8cdbe5 | 1502 | static void encode_putrootfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1503 | { |
ab19b481 | 1504 | encode_op_hdr(xdr, OP_PUTROOTFH, decode_putrootfh_maxsz, hdr); |
1da177e4 LT |
1505 | } |
1506 | ||
4fc8796d TM |
1507 | static void encode_open_stateid(struct xdr_stream *xdr, |
1508 | const struct nfs_open_context *ctx, | |
1509 | const struct nfs_lock_context *l_ctx, | |
1510 | fmode_t fmode, | |
1511 | int zero_seqid) | |
1da177e4 | 1512 | { |
1da177e4 | 1513 | nfs4_stateid stateid; |
1da177e4 | 1514 | |
1da177e4 | 1515 | if (ctx->state != NULL) { |
2a369153 TM |
1516 | const struct nfs_lockowner *lockowner = NULL; |
1517 | ||
1518 | if (l_ctx != NULL) | |
1519 | lockowner = &l_ctx->lockowner; | |
4fc8796d | 1520 | nfs4_select_rw_stateid(&stateid, ctx->state, |
2a369153 | 1521 | fmode, lockowner); |
89d1ea65 | 1522 | if (zero_seqid) |
2d2f24ad | 1523 | stateid.seqid = 0; |
ea9d23f5 | 1524 | encode_nfs4_stateid(xdr, &stateid); |
1da177e4 | 1525 | } else |
ea9d23f5 | 1526 | encode_nfs4_stateid(xdr, &zero_stateid); |
1da177e4 LT |
1527 | } |
1528 | ||
cf8cdbe5 | 1529 | static void encode_read(struct xdr_stream *xdr, const struct nfs_readargs *args, struct compound_hdr *hdr) |
1da177e4 | 1530 | { |
8687b63a | 1531 | __be32 *p; |
1da177e4 | 1532 | |
ab19b481 | 1533 | encode_op_hdr(xdr, OP_READ, decode_read_maxsz, hdr); |
d0b496d2 | 1534 | encode_open_stateid(xdr, args->context, args->lock_context, |
4fc8796d | 1535 | FMODE_READ, hdr->minorversion); |
1da177e4 | 1536 | |
13c65ce9 | 1537 | p = reserve_space(xdr, 12); |
b95be5a9 | 1538 | p = xdr_encode_hyper(p, args->offset); |
34558513 | 1539 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1540 | } |
1541 | ||
cf8cdbe5 | 1542 | static void encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg *readdir, struct rpc_rqst *req, struct compound_hdr *hdr) |
1da177e4 | 1543 | { |
28331a46 TM |
1544 | uint32_t attrs[2] = { |
1545 | FATTR4_WORD0_RDATTR_ERROR, | |
1546 | FATTR4_WORD1_MOUNTED_ON_FILEID, | |
1547 | }; | |
6f7a35bd | 1548 | uint32_t dircount = readdir->count >> 1; |
cd93710e | 1549 | __be32 *p, verf[2]; |
1da177e4 | 1550 | |
82f2e547 BS |
1551 | if (readdir->plus) { |
1552 | attrs[0] |= FATTR4_WORD0_TYPE|FATTR4_WORD0_CHANGE|FATTR4_WORD0_SIZE| | |
28331a46 | 1553 | FATTR4_WORD0_FSID|FATTR4_WORD0_FILEHANDLE|FATTR4_WORD0_FILEID; |
82f2e547 BS |
1554 | attrs[1] |= FATTR4_WORD1_MODE|FATTR4_WORD1_NUMLINKS|FATTR4_WORD1_OWNER| |
1555 | FATTR4_WORD1_OWNER_GROUP|FATTR4_WORD1_RAWDEV| | |
1556 | FATTR4_WORD1_SPACE_USED|FATTR4_WORD1_TIME_ACCESS| | |
1557 | FATTR4_WORD1_TIME_METADATA|FATTR4_WORD1_TIME_MODIFY; | |
6f7a35bd | 1558 | dircount >>= 1; |
82f2e547 | 1559 | } |
28331a46 TM |
1560 | /* Use mounted_on_fileid only if the server supports it */ |
1561 | if (!(readdir->bitmask[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) | |
1562 | attrs[0] |= FATTR4_WORD0_FILEID; | |
82f2e547 | 1563 | |
475d4ba0 | 1564 | encode_op_hdr(xdr, OP_READDIR, decode_readdir_maxsz, hdr); |
ff2eb681 | 1565 | encode_uint64(xdr, readdir->cookie); |
cd93710e CL |
1566 | encode_nfs4_verifier(xdr, &readdir->verifier); |
1567 | p = reserve_space(xdr, 20); | |
6f7a35bd | 1568 | *p++ = cpu_to_be32(dircount); |
e75bc1c8 BH |
1569 | *p++ = cpu_to_be32(readdir->count); |
1570 | *p++ = cpu_to_be32(2); | |
82f2e547 | 1571 | |
e75bc1c8 | 1572 | *p++ = cpu_to_be32(attrs[0] & readdir->bitmask[0]); |
34558513 | 1573 | *p = cpu_to_be32(attrs[1] & readdir->bitmask[1]); |
cd93710e | 1574 | memcpy(verf, readdir->verifier.data, sizeof(verf)); |
44109241 FI |
1575 | dprintk("%s: cookie = %Lu, verifier = %08x:%08x, bitmap = %08x:%08x\n", |
1576 | __func__, | |
eadf4598 | 1577 | (unsigned long long)readdir->cookie, |
cd93710e | 1578 | verf[0], verf[1], |
eadf4598 TM |
1579 | attrs[0] & readdir->bitmask[0], |
1580 | attrs[1] & readdir->bitmask[1]); | |
1da177e4 LT |
1581 | } |
1582 | ||
cf8cdbe5 | 1583 | static void encode_readlink(struct xdr_stream *xdr, const struct nfs4_readlink *readlink, struct rpc_rqst *req, struct compound_hdr *hdr) |
1da177e4 | 1584 | { |
ab19b481 | 1585 | encode_op_hdr(xdr, OP_READLINK, decode_readlink_maxsz, hdr); |
1da177e4 LT |
1586 | } |
1587 | ||
cf8cdbe5 | 1588 | static void encode_remove(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1589 | { |
ab19b481 | 1590 | encode_op_hdr(xdr, OP_REMOVE, decode_remove_maxsz, hdr); |
6fdfb0bc | 1591 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1592 | } |
1593 | ||
cf8cdbe5 | 1594 | static void encode_rename(struct xdr_stream *xdr, const struct qstr *oldname, const struct qstr *newname, struct compound_hdr *hdr) |
1da177e4 | 1595 | { |
ab19b481 | 1596 | encode_op_hdr(xdr, OP_RENAME, decode_rename_maxsz, hdr); |
811652bd BH |
1597 | encode_string(xdr, oldname->len, oldname->name); |
1598 | encode_string(xdr, newname->len, newname->name); | |
1da177e4 LT |
1599 | } |
1600 | ||
bb4dae5e CL |
1601 | static void encode_renew(struct xdr_stream *xdr, clientid4 clid, |
1602 | struct compound_hdr *hdr) | |
1da177e4 | 1603 | { |
475d4ba0 | 1604 | encode_op_hdr(xdr, OP_RENEW, decode_renew_maxsz, hdr); |
ff2eb681 | 1605 | encode_uint64(xdr, clid); |
1da177e4 LT |
1606 | } |
1607 | ||
cf8cdbe5 | 1608 | static void |
d017931c | 1609 | encode_restorefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
56ae19f3 | 1610 | { |
ab19b481 | 1611 | encode_op_hdr(xdr, OP_RESTOREFH, decode_restorefh_maxsz, hdr); |
56ae19f3 TM |
1612 | } |
1613 | ||
9f06c719 | 1614 | static void |
d017931c | 1615 | encode_setacl(struct xdr_stream *xdr, struct nfs_setaclargs *arg, struct compound_hdr *hdr) |
23ec6965 | 1616 | { |
8687b63a | 1617 | __be32 *p; |
23ec6965 | 1618 | |
ab19b481 | 1619 | encode_op_hdr(xdr, OP_SETATTR, decode_setacl_maxsz, hdr); |
ea9d23f5 | 1620 | encode_nfs4_stateid(xdr, &zero_stateid); |
13c65ce9 | 1621 | p = reserve_space(xdr, 2*4); |
e75bc1c8 | 1622 | *p++ = cpu_to_be32(1); |
34558513 | 1623 | *p = cpu_to_be32(FATTR4_WORD0_ACL); |
9f06c719 | 1624 | BUG_ON(arg->acl_len % 4); |
13c65ce9 | 1625 | p = reserve_space(xdr, 4); |
34558513 | 1626 | *p = cpu_to_be32(arg->acl_len); |
23ec6965 | 1627 | xdr_write_pages(xdr, arg->acl_pages, arg->acl_pgbase, arg->acl_len); |
23ec6965 BF |
1628 | } |
1629 | ||
cf8cdbe5 | 1630 | static void |
d017931c | 1631 | encode_savefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1632 | { |
ab19b481 | 1633 | encode_op_hdr(xdr, OP_SAVEFH, decode_savefh_maxsz, hdr); |
1da177e4 LT |
1634 | } |
1635 | ||
cf8cdbe5 | 1636 | static void encode_setattr(struct xdr_stream *xdr, const struct nfs_setattrargs *arg, const struct nfs_server *server, struct compound_hdr *hdr) |
1da177e4 | 1637 | { |
ab19b481 | 1638 | encode_op_hdr(xdr, OP_SETATTR, decode_setattr_maxsz, hdr); |
ea9d23f5 | 1639 | encode_nfs4_stateid(xdr, &arg->stateid); |
cf8cdbe5 | 1640 | encode_attrs(xdr, arg->iap, server); |
1da177e4 LT |
1641 | } |
1642 | ||
cf8cdbe5 | 1643 | static void encode_setclientid(struct xdr_stream *xdr, const struct nfs4_setclientid *setclientid, struct compound_hdr *hdr) |
1da177e4 | 1644 | { |
8687b63a | 1645 | __be32 *p; |
1da177e4 | 1646 | |
70019514 | 1647 | encode_op_hdr(xdr, OP_SETCLIENTID, decode_setclientid_maxsz, hdr); |
cd93710e | 1648 | encode_nfs4_verifier(xdr, setclientid->sc_verifier); |
1da177e4 LT |
1649 | |
1650 | encode_string(xdr, setclientid->sc_name_len, setclientid->sc_name); | |
13c65ce9 | 1651 | p = reserve_space(xdr, 4); |
34558513 | 1652 | *p = cpu_to_be32(setclientid->sc_prog); |
1da177e4 LT |
1653 | encode_string(xdr, setclientid->sc_netid_len, setclientid->sc_netid); |
1654 | encode_string(xdr, setclientid->sc_uaddr_len, setclientid->sc_uaddr); | |
13c65ce9 | 1655 | p = reserve_space(xdr, 4); |
34558513 | 1656 | *p = cpu_to_be32(setclientid->sc_cb_ident); |
1da177e4 LT |
1657 | } |
1658 | ||
bb8b27e5 | 1659 | static void encode_setclientid_confirm(struct xdr_stream *xdr, const struct nfs4_setclientid_res *arg, struct compound_hdr *hdr) |
1da177e4 | 1660 | { |
475d4ba0 TM |
1661 | encode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM, |
1662 | decode_setclientid_confirm_maxsz, hdr); | |
ff2eb681 | 1663 | encode_uint64(xdr, arg->clientid); |
cd93710e | 1664 | encode_nfs4_verifier(xdr, &arg->confirm); |
1da177e4 LT |
1665 | } |
1666 | ||
cf8cdbe5 | 1667 | static void encode_write(struct xdr_stream *xdr, const struct nfs_writeargs *args, struct compound_hdr *hdr) |
1da177e4 | 1668 | { |
8687b63a | 1669 | __be32 *p; |
1da177e4 | 1670 | |
ab19b481 | 1671 | encode_op_hdr(xdr, OP_WRITE, decode_write_maxsz, hdr); |
d0b496d2 | 1672 | encode_open_stateid(xdr, args->context, args->lock_context, |
4fc8796d | 1673 | FMODE_WRITE, hdr->minorversion); |
1da177e4 | 1674 | |
13c65ce9 | 1675 | p = reserve_space(xdr, 16); |
b95be5a9 | 1676 | p = xdr_encode_hyper(p, args->offset); |
e75bc1c8 | 1677 | *p++ = cpu_to_be32(args->stable); |
34558513 | 1678 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1679 | |
1680 | xdr_write_pages(xdr, args->pages, args->pgbase, args->count); | |
1da177e4 LT |
1681 | } |
1682 | ||
cf8cdbe5 | 1683 | static void encode_delegreturn(struct xdr_stream *xdr, const nfs4_stateid *stateid, struct compound_hdr *hdr) |
1da177e4 | 1684 | { |
ab19b481 | 1685 | encode_op_hdr(xdr, OP_DELEGRETURN, decode_delegreturn_maxsz, hdr); |
ea9d23f5 | 1686 | encode_nfs4_stateid(xdr, stateid); |
1da177e4 | 1687 | } |
9b7b9fcc | 1688 | |
5a5ea0d4 BS |
1689 | static void encode_secinfo(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1690 | { | |
ab19b481 | 1691 | encode_op_hdr(xdr, OP_SECINFO, decode_secinfo_maxsz, hdr); |
6fdfb0bc | 1692 | encode_string(xdr, name->len, name->name); |
5a5ea0d4 BS |
1693 | } |
1694 | ||
99fe60d0 | 1695 | #if defined(CONFIG_NFS_V4_1) |
9b7b9fcc | 1696 | /* NFSv4.1 operations */ |
7c44f1ae WAA |
1697 | static void encode_bind_conn_to_session(struct xdr_stream *xdr, |
1698 | struct nfs4_session *session, | |
1699 | struct compound_hdr *hdr) | |
1700 | { | |
1701 | __be32 *p; | |
1702 | ||
1703 | encode_op_hdr(xdr, OP_BIND_CONN_TO_SESSION, | |
1704 | decode_bind_conn_to_session_maxsz, hdr); | |
1705 | encode_opaque_fixed(xdr, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); | |
1706 | p = xdr_reserve_space(xdr, 8); | |
1707 | *p++ = cpu_to_be32(NFS4_CDFC4_BACK_OR_BOTH); | |
1708 | *p = 0; /* use_conn_in_rdma_mode = False */ | |
1709 | } | |
1710 | ||
99fe60d0 BH |
1711 | static void encode_exchange_id(struct xdr_stream *xdr, |
1712 | struct nfs41_exchange_id_args *args, | |
1713 | struct compound_hdr *hdr) | |
1714 | { | |
1715 | __be32 *p; | |
db8ac8ba WAA |
1716 | char impl_name[NFS4_OPAQUE_LIMIT]; |
1717 | int len = 0; | |
99fe60d0 | 1718 | |
70019514 | 1719 | encode_op_hdr(xdr, OP_EXCHANGE_ID, decode_exchange_id_maxsz, hdr); |
cd93710e | 1720 | encode_nfs4_verifier(xdr, args->verifier); |
99fe60d0 BH |
1721 | |
1722 | encode_string(xdr, args->id_len, args->id); | |
1723 | ||
13c65ce9 | 1724 | p = reserve_space(xdr, 12); |
e75bc1c8 BH |
1725 | *p++ = cpu_to_be32(args->flags); |
1726 | *p++ = cpu_to_be32(0); /* zero length state_protect4_a */ | |
db8ac8ba WAA |
1727 | |
1728 | if (send_implementation_id && | |
1729 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) > 1 && | |
1730 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) | |
1731 | <= NFS4_OPAQUE_LIMIT + 1) | |
1732 | len = snprintf(impl_name, sizeof(impl_name), "%s %s %s %s", | |
1733 | utsname()->sysname, utsname()->release, | |
1734 | utsname()->version, utsname()->machine); | |
1735 | ||
1736 | if (len > 0) { | |
1737 | *p = cpu_to_be32(1); /* implementation id array length=1 */ | |
1738 | ||
1739 | encode_string(xdr, | |
1740 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) - 1, | |
1741 | CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN); | |
1742 | encode_string(xdr, len, impl_name); | |
1743 | /* just send zeros for nii_date - the date is in nii_name */ | |
1744 | p = reserve_space(xdr, 12); | |
1745 | p = xdr_encode_hyper(p, 0); | |
1746 | *p = cpu_to_be32(0); | |
1747 | } else | |
1748 | *p = cpu_to_be32(0); /* implementation id array length=0 */ | |
99fe60d0 | 1749 | } |
fc931582 AA |
1750 | |
1751 | static void encode_create_session(struct xdr_stream *xdr, | |
1752 | struct nfs41_create_session_args *args, | |
1753 | struct compound_hdr *hdr) | |
1754 | { | |
1755 | __be32 *p; | |
1756 | char machine_name[NFS4_MAX_MACHINE_NAME_LEN]; | |
1757 | uint32_t len; | |
1758 | struct nfs_client *clp = args->client; | |
f092075d | 1759 | struct nfs_net *nn = net_generic(clp->cl_net, nfs_net_id); |
8e0d46e1 MS |
1760 | u32 max_resp_sz_cached; |
1761 | ||
1762 | /* | |
1763 | * Assumes OPEN is the biggest non-idempotent compound. | |
1764 | * 2 is the verifier. | |
1765 | */ | |
1766 | max_resp_sz_cached = (NFS4_dec_open_sz + RPC_REPHDRSIZE + | |
1767 | RPC_MAX_AUTH_SIZE + 2) * XDR_UNIT; | |
fc931582 | 1768 | |
42edd698 BH |
1769 | len = scnprintf(machine_name, sizeof(machine_name), "%s", |
1770 | clp->cl_ipaddr); | |
fc931582 | 1771 | |
475d4ba0 TM |
1772 | encode_op_hdr(xdr, OP_CREATE_SESSION, decode_create_session_maxsz, hdr); |
1773 | p = reserve_space(xdr, 16 + 2*28 + 20 + len + 12); | |
114f64b5 | 1774 | p = xdr_encode_hyper(p, clp->cl_clientid); |
e75bc1c8 BH |
1775 | *p++ = cpu_to_be32(clp->cl_seqid); /*Sequence id */ |
1776 | *p++ = cpu_to_be32(args->flags); /*flags */ | |
fc931582 | 1777 | |
fc931582 | 1778 | /* Fore Channel */ |
c9c30dd5 | 1779 | *p++ = cpu_to_be32(0); /* header padding size */ |
e75bc1c8 BH |
1780 | *p++ = cpu_to_be32(args->fc_attrs.max_rqst_sz); /* max req size */ |
1781 | *p++ = cpu_to_be32(args->fc_attrs.max_resp_sz); /* max resp size */ | |
8e0d46e1 | 1782 | *p++ = cpu_to_be32(max_resp_sz_cached); /* Max resp sz cached */ |
e75bc1c8 BH |
1783 | *p++ = cpu_to_be32(args->fc_attrs.max_ops); /* max operations */ |
1784 | *p++ = cpu_to_be32(args->fc_attrs.max_reqs); /* max requests */ | |
1785 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ | |
fc931582 AA |
1786 | |
1787 | /* Back Channel */ | |
c9c30dd5 | 1788 | *p++ = cpu_to_be32(0); /* header padding size */ |
e75bc1c8 BH |
1789 | *p++ = cpu_to_be32(args->bc_attrs.max_rqst_sz); /* max req size */ |
1790 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz); /* max resp size */ | |
1791 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz_cached); /* Max resp sz cached */ | |
1792 | *p++ = cpu_to_be32(args->bc_attrs.max_ops); /* max operations */ | |
1793 | *p++ = cpu_to_be32(args->bc_attrs.max_reqs); /* max requests */ | |
1794 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ | |
fc931582 | 1795 | |
e75bc1c8 | 1796 | *p++ = cpu_to_be32(args->cb_program); /* cb_program */ |
e75bc1c8 | 1797 | *p++ = cpu_to_be32(1); |
e75bc1c8 | 1798 | *p++ = cpu_to_be32(RPC_AUTH_UNIX); /* auth_sys */ |
fc931582 AA |
1799 | |
1800 | /* authsys_parms rfc1831 */ | |
f092075d | 1801 | *p++ = (__be32)nn->boot_time.tv_nsec; /* stamp */ |
811652bd | 1802 | p = xdr_encode_opaque(p, machine_name, len); |
e75bc1c8 BH |
1803 | *p++ = cpu_to_be32(0); /* UID */ |
1804 | *p++ = cpu_to_be32(0); /* GID */ | |
34558513 | 1805 | *p = cpu_to_be32(0); /* No more gids */ |
fc931582 | 1806 | } |
0f3e66c6 AA |
1807 | |
1808 | static void encode_destroy_session(struct xdr_stream *xdr, | |
1809 | struct nfs4_session *session, | |
1810 | struct compound_hdr *hdr) | |
1811 | { | |
475d4ba0 TM |
1812 | encode_op_hdr(xdr, OP_DESTROY_SESSION, decode_destroy_session_maxsz, hdr); |
1813 | encode_opaque_fixed(xdr, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); | |
0f3e66c6 | 1814 | } |
18019753 | 1815 | |
66245539 TM |
1816 | static void encode_destroy_clientid(struct xdr_stream *xdr, |
1817 | uint64_t clientid, | |
1818 | struct compound_hdr *hdr) | |
1819 | { | |
1820 | encode_op_hdr(xdr, OP_DESTROY_CLIENTID, decode_destroy_clientid_maxsz, hdr); | |
1821 | encode_uint64(xdr, clientid); | |
1822 | } | |
1823 | ||
18019753 RL |
1824 | static void encode_reclaim_complete(struct xdr_stream *xdr, |
1825 | struct nfs41_reclaim_complete_args *args, | |
1826 | struct compound_hdr *hdr) | |
1827 | { | |
475d4ba0 TM |
1828 | encode_op_hdr(xdr, OP_RECLAIM_COMPLETE, decode_reclaim_complete_maxsz, hdr); |
1829 | encode_uint32(xdr, args->one_fs); | |
18019753 | 1830 | } |
99fe60d0 BH |
1831 | #endif /* CONFIG_NFS_V4_1 */ |
1832 | ||
9b7b9fcc AA |
1833 | static void encode_sequence(struct xdr_stream *xdr, |
1834 | const struct nfs4_sequence_args *args, | |
1835 | struct compound_hdr *hdr) | |
1836 | { | |
1837 | #if defined(CONFIG_NFS_V4_1) | |
1838 | struct nfs4_session *session = args->sa_session; | |
fc01cea9 AA |
1839 | struct nfs4_slot_table *tp; |
1840 | struct nfs4_slot *slot; | |
1841 | __be32 *p; | |
9b7b9fcc AA |
1842 | |
1843 | if (!session) | |
1844 | return; | |
1845 | ||
fc01cea9 AA |
1846 | tp = &session->fc_slot_table; |
1847 | ||
1848 | WARN_ON(args->sa_slotid == NFS4_MAX_SLOT_TABLE); | |
1849 | slot = tp->slots + args->sa_slotid; | |
1850 | ||
475d4ba0 | 1851 | encode_op_hdr(xdr, OP_SEQUENCE, decode_sequence_maxsz, hdr); |
fc01cea9 AA |
1852 | |
1853 | /* | |
1854 | * Sessionid + seqid + slotid + max slotid + cache_this | |
1855 | */ | |
1856 | dprintk("%s: sessionid=%u:%u:%u:%u seqid=%d slotid=%d " | |
1857 | "max_slotid=%d cache_this=%d\n", | |
1858 | __func__, | |
1859 | ((u32 *)session->sess_id.data)[0], | |
1860 | ((u32 *)session->sess_id.data)[1], | |
1861 | ((u32 *)session->sess_id.data)[2], | |
1862 | ((u32 *)session->sess_id.data)[3], | |
1863 | slot->seq_nr, args->sa_slotid, | |
1864 | tp->highest_used_slotid, args->sa_cache_this); | |
475d4ba0 | 1865 | p = reserve_space(xdr, NFS4_MAX_SESSIONID_LEN + 16); |
93f0cf25 | 1866 | p = xdr_encode_opaque_fixed(p, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); |
e75bc1c8 BH |
1867 | *p++ = cpu_to_be32(slot->seq_nr); |
1868 | *p++ = cpu_to_be32(args->sa_slotid); | |
1869 | *p++ = cpu_to_be32(tp->highest_used_slotid); | |
34558513 | 1870 | *p = cpu_to_be32(args->sa_cache_this); |
9b7b9fcc AA |
1871 | #endif /* CONFIG_NFS_V4_1 */ |
1872 | } | |
1873 | ||
b1f69b75 | 1874 | #ifdef CONFIG_NFS_V4_1 |
7f11d8d3 AA |
1875 | static void |
1876 | encode_getdevicelist(struct xdr_stream *xdr, | |
1877 | const struct nfs4_getdevicelist_args *args, | |
1878 | struct compound_hdr *hdr) | |
1879 | { | |
1880 | __be32 *p; | |
1881 | nfs4_verifier dummy = { | |
1882 | .data = "dummmmmy", | |
1883 | }; | |
1884 | ||
475d4ba0 TM |
1885 | encode_op_hdr(xdr, OP_GETDEVICELIST, decode_getdevicelist_maxsz, hdr); |
1886 | p = reserve_space(xdr, 16); | |
7f11d8d3 AA |
1887 | *p++ = cpu_to_be32(args->layoutclass); |
1888 | *p++ = cpu_to_be32(NFS4_PNFS_GETDEVLIST_MAXNUM); | |
1889 | xdr_encode_hyper(p, 0ULL); /* cookie */ | |
1890 | encode_nfs4_verifier(xdr, &dummy); | |
7f11d8d3 AA |
1891 | } |
1892 | ||
b1f69b75 AA |
1893 | static void |
1894 | encode_getdeviceinfo(struct xdr_stream *xdr, | |
1895 | const struct nfs4_getdeviceinfo_args *args, | |
1896 | struct compound_hdr *hdr) | |
1897 | { | |
1898 | __be32 *p; | |
1899 | ||
475d4ba0 TM |
1900 | encode_op_hdr(xdr, OP_GETDEVICEINFO, decode_getdeviceinfo_maxsz, hdr); |
1901 | p = reserve_space(xdr, 12 + NFS4_DEVICEID4_SIZE); | |
b1f69b75 AA |
1902 | p = xdr_encode_opaque_fixed(p, args->pdev->dev_id.data, |
1903 | NFS4_DEVICEID4_SIZE); | |
1904 | *p++ = cpu_to_be32(args->pdev->layout_type); | |
1905 | *p++ = cpu_to_be32(args->pdev->pglen); /* gdia_maxcount */ | |
1906 | *p++ = cpu_to_be32(0); /* bitmap length 0 */ | |
b1f69b75 AA |
1907 | } |
1908 | ||
1909 | static void | |
1910 | encode_layoutget(struct xdr_stream *xdr, | |
1911 | const struct nfs4_layoutget_args *args, | |
1912 | struct compound_hdr *hdr) | |
1913 | { | |
b1f69b75 AA |
1914 | __be32 *p; |
1915 | ||
475d4ba0 TM |
1916 | encode_op_hdr(xdr, OP_LAYOUTGET, decode_layoutget_maxsz, hdr); |
1917 | p = reserve_space(xdr, 36); | |
b1f69b75 AA |
1918 | *p++ = cpu_to_be32(0); /* Signal layout available */ |
1919 | *p++ = cpu_to_be32(args->type); | |
1920 | *p++ = cpu_to_be32(args->range.iomode); | |
1921 | p = xdr_encode_hyper(p, args->range.offset); | |
1922 | p = xdr_encode_hyper(p, args->range.length); | |
1923 | p = xdr_encode_hyper(p, args->minlength); | |
ea9d23f5 | 1924 | encode_nfs4_stateid(xdr, &args->stateid); |
475d4ba0 | 1925 | encode_uint32(xdr, args->maxcount); |
b1f69b75 AA |
1926 | |
1927 | dprintk("%s: 1st type:0x%x iomode:%d off:%lu len:%lu mc:%d\n", | |
1928 | __func__, | |
1929 | args->type, | |
1930 | args->range.iomode, | |
1931 | (unsigned long)args->range.offset, | |
1932 | (unsigned long)args->range.length, | |
1933 | args->maxcount); | |
b1f69b75 | 1934 | } |
863a3c6c AA |
1935 | |
1936 | static int | |
1937 | encode_layoutcommit(struct xdr_stream *xdr, | |
ac7db726 | 1938 | struct inode *inode, |
863a3c6c AA |
1939 | const struct nfs4_layoutcommit_args *args, |
1940 | struct compound_hdr *hdr) | |
1941 | { | |
1942 | __be32 *p; | |
1943 | ||
1944 | dprintk("%s: lbw: %llu type: %d\n", __func__, args->lastbytewritten, | |
1945 | NFS_SERVER(args->inode)->pnfs_curr_ld->id); | |
1946 | ||
475d4ba0 TM |
1947 | encode_op_hdr(xdr, OP_LAYOUTCOMMIT, decode_layoutcommit_maxsz, hdr); |
1948 | p = reserve_space(xdr, 20); | |
863a3c6c AA |
1949 | /* Only whole file layouts */ |
1950 | p = xdr_encode_hyper(p, 0); /* offset */ | |
3557c6c3 | 1951 | p = xdr_encode_hyper(p, args->lastbytewritten + 1); /* length */ |
ea9d23f5 TM |
1952 | *p = cpu_to_be32(0); /* reclaim */ |
1953 | encode_nfs4_stateid(xdr, &args->stateid); | |
1954 | p = reserve_space(xdr, 20); | |
863a3c6c AA |
1955 | *p++ = cpu_to_be32(1); /* newoffset = TRUE */ |
1956 | p = xdr_encode_hyper(p, args->lastbytewritten); | |
1957 | *p++ = cpu_to_be32(0); /* Never send time_modify_changed */ | |
1958 | *p++ = cpu_to_be32(NFS_SERVER(args->inode)->pnfs_curr_ld->id);/* type */ | |
ac7db726 BH |
1959 | |
1960 | if (NFS_SERVER(inode)->pnfs_curr_ld->encode_layoutcommit) | |
1961 | NFS_SERVER(inode)->pnfs_curr_ld->encode_layoutcommit( | |
1962 | NFS_I(inode)->layout, xdr, args); | |
475d4ba0 TM |
1963 | else |
1964 | encode_uint32(xdr, 0); /* no layout-type payload */ | |
863a3c6c | 1965 | |
863a3c6c AA |
1966 | return 0; |
1967 | } | |
cbe82603 BH |
1968 | |
1969 | static void | |
1970 | encode_layoutreturn(struct xdr_stream *xdr, | |
1971 | const struct nfs4_layoutreturn_args *args, | |
1972 | struct compound_hdr *hdr) | |
1973 | { | |
1974 | __be32 *p; | |
1975 | ||
475d4ba0 TM |
1976 | encode_op_hdr(xdr, OP_LAYOUTRETURN, decode_layoutreturn_maxsz, hdr); |
1977 | p = reserve_space(xdr, 16); | |
cbe82603 BH |
1978 | *p++ = cpu_to_be32(0); /* reclaim. always 0 for now */ |
1979 | *p++ = cpu_to_be32(args->layout_type); | |
1980 | *p++ = cpu_to_be32(IOMODE_ANY); | |
1981 | *p = cpu_to_be32(RETURN_FILE); | |
ea9d23f5 | 1982 | p = reserve_space(xdr, 16); |
cbe82603 BH |
1983 | p = xdr_encode_hyper(p, 0); |
1984 | p = xdr_encode_hyper(p, NFS4_MAX_UINT64); | |
1985 | spin_lock(&args->inode->i_lock); | |
ea9d23f5 | 1986 | encode_nfs4_stateid(xdr, &args->stateid); |
cbe82603 | 1987 | spin_unlock(&args->inode->i_lock); |
04a55549 AA |
1988 | if (NFS_SERVER(args->inode)->pnfs_curr_ld->encode_layoutreturn) { |
1989 | NFS_SERVER(args->inode)->pnfs_curr_ld->encode_layoutreturn( | |
1990 | NFS_I(args->inode)->layout, xdr, args); | |
475d4ba0 TM |
1991 | } else |
1992 | encode_uint32(xdr, 0); | |
cbe82603 | 1993 | } |
fca78d6d BS |
1994 | |
1995 | static int | |
1996 | encode_secinfo_no_name(struct xdr_stream *xdr, | |
1997 | const struct nfs41_secinfo_no_name_args *args, | |
1998 | struct compound_hdr *hdr) | |
1999 | { | |
475d4ba0 TM |
2000 | encode_op_hdr(xdr, OP_SECINFO_NO_NAME, decode_secinfo_no_name_maxsz, hdr); |
2001 | encode_uint32(xdr, args->style); | |
fca78d6d BS |
2002 | return 0; |
2003 | } | |
7d974794 BS |
2004 | |
2005 | static void encode_test_stateid(struct xdr_stream *xdr, | |
2006 | struct nfs41_test_stateid_args *args, | |
2007 | struct compound_hdr *hdr) | |
2008 | { | |
475d4ba0 TM |
2009 | encode_op_hdr(xdr, OP_TEST_STATEID, decode_test_stateid_maxsz, hdr); |
2010 | encode_uint32(xdr, 1); | |
ea9d23f5 | 2011 | encode_nfs4_stateid(xdr, args->stateid); |
7d974794 | 2012 | } |
9aeda35f BS |
2013 | |
2014 | static void encode_free_stateid(struct xdr_stream *xdr, | |
2015 | struct nfs41_free_stateid_args *args, | |
2016 | struct compound_hdr *hdr) | |
2017 | { | |
ab19b481 | 2018 | encode_op_hdr(xdr, OP_FREE_STATEID, decode_free_stateid_maxsz, hdr); |
ea9d23f5 | 2019 | encode_nfs4_stateid(xdr, args->stateid); |
9aeda35f | 2020 | } |
b1f69b75 AA |
2021 | #endif /* CONFIG_NFS_V4_1 */ |
2022 | ||
1da177e4 LT |
2023 | /* |
2024 | * END OF "GENERIC" ENCODE ROUTINES. | |
2025 | */ | |
2026 | ||
66cc0429 BH |
2027 | static u32 nfs4_xdr_minorversion(const struct nfs4_sequence_args *args) |
2028 | { | |
2029 | #if defined(CONFIG_NFS_V4_1) | |
2030 | if (args->sa_session) | |
a4432345 | 2031 | return args->sa_session->clp->cl_mvops->minor_version; |
66cc0429 BH |
2032 | #endif /* CONFIG_NFS_V4_1 */ |
2033 | return 0; | |
2034 | } | |
2035 | ||
1da177e4 LT |
2036 | /* |
2037 | * Encode an ACCESS request | |
2038 | */ | |
9f06c719 CL |
2039 | static void nfs4_xdr_enc_access(struct rpc_rqst *req, struct xdr_stream *xdr, |
2040 | const struct nfs4_accessargs *args) | |
1da177e4 | 2041 | { |
1da177e4 | 2042 | struct compound_hdr hdr = { |
66cc0429 | 2043 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2044 | }; |
1da177e4 | 2045 | |
9f06c719 CL |
2046 | encode_compound_hdr(xdr, req, &hdr); |
2047 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2048 | encode_putfh(xdr, args->fh, &hdr); | |
2049 | encode_access(xdr, args->access, &hdr); | |
2050 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2051 | encode_nops(&hdr); |
1da177e4 LT |
2052 | } |
2053 | ||
2054 | /* | |
2055 | * Encode LOOKUP request | |
2056 | */ | |
9f06c719 CL |
2057 | static void nfs4_xdr_enc_lookup(struct rpc_rqst *req, struct xdr_stream *xdr, |
2058 | const struct nfs4_lookup_arg *args) | |
1da177e4 | 2059 | { |
1da177e4 | 2060 | struct compound_hdr hdr = { |
66cc0429 | 2061 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2062 | }; |
1da177e4 | 2063 | |
9f06c719 CL |
2064 | encode_compound_hdr(xdr, req, &hdr); |
2065 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2066 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2067 | encode_lookup(xdr, args->name, &hdr); | |
2068 | encode_getfh(xdr, &hdr); | |
2069 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2070 | encode_nops(&hdr); |
1da177e4 LT |
2071 | } |
2072 | ||
2073 | /* | |
2074 | * Encode LOOKUP_ROOT request | |
2075 | */ | |
9f06c719 CL |
2076 | static void nfs4_xdr_enc_lookup_root(struct rpc_rqst *req, |
2077 | struct xdr_stream *xdr, | |
2078 | const struct nfs4_lookup_root_arg *args) | |
1da177e4 | 2079 | { |
1da177e4 | 2080 | struct compound_hdr hdr = { |
66cc0429 | 2081 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2082 | }; |
1da177e4 | 2083 | |
9f06c719 CL |
2084 | encode_compound_hdr(xdr, req, &hdr); |
2085 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2086 | encode_putrootfh(xdr, &hdr); | |
2087 | encode_getfh(xdr, &hdr); | |
2088 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2089 | encode_nops(&hdr); |
1da177e4 LT |
2090 | } |
2091 | ||
2092 | /* | |
2093 | * Encode REMOVE request | |
2094 | */ | |
9f06c719 CL |
2095 | static void nfs4_xdr_enc_remove(struct rpc_rqst *req, struct xdr_stream *xdr, |
2096 | const struct nfs_removeargs *args) | |
1da177e4 | 2097 | { |
1da177e4 | 2098 | struct compound_hdr hdr = { |
66cc0429 | 2099 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2100 | }; |
1da177e4 | 2101 | |
9f06c719 CL |
2102 | encode_compound_hdr(xdr, req, &hdr); |
2103 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2104 | encode_putfh(xdr, args->fh, &hdr); | |
2105 | encode_remove(xdr, &args->name, &hdr); | |
d017931c | 2106 | encode_nops(&hdr); |
1da177e4 LT |
2107 | } |
2108 | ||
2109 | /* | |
2110 | * Encode RENAME request | |
2111 | */ | |
9f06c719 CL |
2112 | static void nfs4_xdr_enc_rename(struct rpc_rqst *req, struct xdr_stream *xdr, |
2113 | const struct nfs_renameargs *args) | |
1da177e4 | 2114 | { |
1da177e4 | 2115 | struct compound_hdr hdr = { |
66cc0429 | 2116 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2117 | }; |
1da177e4 | 2118 | |
9f06c719 CL |
2119 | encode_compound_hdr(xdr, req, &hdr); |
2120 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2121 | encode_putfh(xdr, args->old_dir, &hdr); | |
2122 | encode_savefh(xdr, &hdr); | |
2123 | encode_putfh(xdr, args->new_dir, &hdr); | |
2124 | encode_rename(xdr, args->old_name, args->new_name, &hdr); | |
d017931c | 2125 | encode_nops(&hdr); |
1da177e4 LT |
2126 | } |
2127 | ||
2128 | /* | |
2129 | * Encode LINK request | |
2130 | */ | |
9f06c719 CL |
2131 | static void nfs4_xdr_enc_link(struct rpc_rqst *req, struct xdr_stream *xdr, |
2132 | const struct nfs4_link_arg *args) | |
1da177e4 | 2133 | { |
1da177e4 | 2134 | struct compound_hdr hdr = { |
66cc0429 | 2135 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2136 | }; |
1da177e4 | 2137 | |
9f06c719 CL |
2138 | encode_compound_hdr(xdr, req, &hdr); |
2139 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2140 | encode_putfh(xdr, args->fh, &hdr); | |
2141 | encode_savefh(xdr, &hdr); | |
2142 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2143 | encode_link(xdr, args->name, &hdr); | |
9f06c719 CL |
2144 | encode_restorefh(xdr, &hdr); |
2145 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2146 | encode_nops(&hdr); |
1da177e4 LT |
2147 | } |
2148 | ||
2149 | /* | |
2150 | * Encode CREATE request | |
2151 | */ | |
9f06c719 CL |
2152 | static void nfs4_xdr_enc_create(struct rpc_rqst *req, struct xdr_stream *xdr, |
2153 | const struct nfs4_create_arg *args) | |
1da177e4 | 2154 | { |
1da177e4 | 2155 | struct compound_hdr hdr = { |
66cc0429 | 2156 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2157 | }; |
1da177e4 | 2158 | |
9f06c719 CL |
2159 | encode_compound_hdr(xdr, req, &hdr); |
2160 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2161 | encode_putfh(xdr, args->dir_fh, &hdr); | |
9f06c719 CL |
2162 | encode_create(xdr, args, &hdr); |
2163 | encode_getfh(xdr, &hdr); | |
2164 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2165 | encode_nops(&hdr); |
1da177e4 LT |
2166 | } |
2167 | ||
2168 | /* | |
2169 | * Encode SYMLINK request | |
2170 | */ | |
9f06c719 CL |
2171 | static void nfs4_xdr_enc_symlink(struct rpc_rqst *req, struct xdr_stream *xdr, |
2172 | const struct nfs4_create_arg *args) | |
1da177e4 | 2173 | { |
9f06c719 | 2174 | nfs4_xdr_enc_create(req, xdr, args); |
1da177e4 LT |
2175 | } |
2176 | ||
2177 | /* | |
2178 | * Encode GETATTR request | |
2179 | */ | |
9f06c719 CL |
2180 | static void nfs4_xdr_enc_getattr(struct rpc_rqst *req, struct xdr_stream *xdr, |
2181 | const struct nfs4_getattr_arg *args) | |
1da177e4 | 2182 | { |
1da177e4 | 2183 | struct compound_hdr hdr = { |
66cc0429 | 2184 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2185 | }; |
1da177e4 | 2186 | |
9f06c719 CL |
2187 | encode_compound_hdr(xdr, req, &hdr); |
2188 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2189 | encode_putfh(xdr, args->fh, &hdr); | |
2190 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2191 | encode_nops(&hdr); |
1da177e4 LT |
2192 | } |
2193 | ||
2194 | /* | |
2195 | * Encode a CLOSE request | |
2196 | */ | |
9f06c719 CL |
2197 | static void nfs4_xdr_enc_close(struct rpc_rqst *req, struct xdr_stream *xdr, |
2198 | struct nfs_closeargs *args) | |
1da177e4 | 2199 | { |
05d564fe | 2200 | struct compound_hdr hdr = { |
66cc0429 | 2201 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 2202 | }; |
05d564fe | 2203 | |
9f06c719 CL |
2204 | encode_compound_hdr(xdr, req, &hdr); |
2205 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2206 | encode_putfh(xdr, args->fh, &hdr); | |
2207 | encode_close(xdr, args, &hdr); | |
2208 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2209 | encode_nops(&hdr); |
1da177e4 LT |
2210 | } |
2211 | ||
2212 | /* | |
2213 | * Encode an OPEN request | |
2214 | */ | |
9f06c719 CL |
2215 | static void nfs4_xdr_enc_open(struct rpc_rqst *req, struct xdr_stream *xdr, |
2216 | struct nfs_openargs *args) | |
1da177e4 | 2217 | { |
1da177e4 | 2218 | struct compound_hdr hdr = { |
66cc0429 | 2219 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2220 | }; |
1da177e4 | 2221 | |
9f06c719 CL |
2222 | encode_compound_hdr(xdr, req, &hdr); |
2223 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2224 | encode_putfh(xdr, args->fh, &hdr); | |
9f06c719 CL |
2225 | encode_open(xdr, args, &hdr); |
2226 | encode_getfh(xdr, &hdr); | |
ae2bb032 WAA |
2227 | if (args->access) |
2228 | encode_access(xdr, args->access, &hdr); | |
1549210f | 2229 | encode_getfattr_open(xdr, args->bitmask, args->open_bitmap, &hdr); |
d017931c | 2230 | encode_nops(&hdr); |
1da177e4 LT |
2231 | } |
2232 | ||
2233 | /* | |
2234 | * Encode an OPEN_CONFIRM request | |
2235 | */ | |
9f06c719 CL |
2236 | static void nfs4_xdr_enc_open_confirm(struct rpc_rqst *req, |
2237 | struct xdr_stream *xdr, | |
2238 | struct nfs_open_confirmargs *args) | |
1da177e4 | 2239 | { |
1da177e4 | 2240 | struct compound_hdr hdr = { |
d017931c | 2241 | .nops = 0, |
1da177e4 | 2242 | }; |
1da177e4 | 2243 | |
9f06c719 CL |
2244 | encode_compound_hdr(xdr, req, &hdr); |
2245 | encode_putfh(xdr, args->fh, &hdr); | |
2246 | encode_open_confirm(xdr, args, &hdr); | |
d017931c | 2247 | encode_nops(&hdr); |
1da177e4 LT |
2248 | } |
2249 | ||
2250 | /* | |
2251 | * Encode an OPEN request with no attributes. | |
2252 | */ | |
9f06c719 CL |
2253 | static void nfs4_xdr_enc_open_noattr(struct rpc_rqst *req, |
2254 | struct xdr_stream *xdr, | |
2255 | struct nfs_openargs *args) | |
1da177e4 | 2256 | { |
1da177e4 | 2257 | struct compound_hdr hdr = { |
66cc0429 | 2258 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2259 | }; |
1da177e4 | 2260 | |
9f06c719 CL |
2261 | encode_compound_hdr(xdr, req, &hdr); |
2262 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2263 | encode_putfh(xdr, args->fh, &hdr); | |
2264 | encode_open(xdr, args, &hdr); | |
ae2bb032 WAA |
2265 | if (args->access) |
2266 | encode_access(xdr, args->access, &hdr); | |
9f06c719 | 2267 | encode_getfattr(xdr, args->bitmask, &hdr); |
d017931c | 2268 | encode_nops(&hdr); |
1da177e4 LT |
2269 | } |
2270 | ||
2271 | /* | |
2272 | * Encode an OPEN_DOWNGRADE request | |
2273 | */ | |
9f06c719 CL |
2274 | static void nfs4_xdr_enc_open_downgrade(struct rpc_rqst *req, |
2275 | struct xdr_stream *xdr, | |
2276 | struct nfs_closeargs *args) | |
1da177e4 | 2277 | { |
1da177e4 | 2278 | struct compound_hdr hdr = { |
66cc0429 | 2279 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2280 | }; |
1da177e4 | 2281 | |
9f06c719 CL |
2282 | encode_compound_hdr(xdr, req, &hdr); |
2283 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2284 | encode_putfh(xdr, args->fh, &hdr); | |
2285 | encode_open_downgrade(xdr, args, &hdr); | |
2286 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2287 | encode_nops(&hdr); |
1da177e4 LT |
2288 | } |
2289 | ||
2290 | /* | |
2291 | * Encode a LOCK request | |
2292 | */ | |
9f06c719 CL |
2293 | static void nfs4_xdr_enc_lock(struct rpc_rqst *req, struct xdr_stream *xdr, |
2294 | struct nfs_lock_args *args) | |
1da177e4 | 2295 | { |
1da177e4 | 2296 | struct compound_hdr hdr = { |
66cc0429 | 2297 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2298 | }; |
1da177e4 | 2299 | |
9f06c719 CL |
2300 | encode_compound_hdr(xdr, req, &hdr); |
2301 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2302 | encode_putfh(xdr, args->fh, &hdr); | |
2303 | encode_lock(xdr, args, &hdr); | |
d017931c | 2304 | encode_nops(&hdr); |
1da177e4 LT |
2305 | } |
2306 | ||
2307 | /* | |
2308 | * Encode a LOCKT request | |
2309 | */ | |
9f06c719 CL |
2310 | static void nfs4_xdr_enc_lockt(struct rpc_rqst *req, struct xdr_stream *xdr, |
2311 | struct nfs_lockt_args *args) | |
1da177e4 | 2312 | { |
1da177e4 | 2313 | struct compound_hdr hdr = { |
66cc0429 | 2314 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2315 | }; |
1da177e4 | 2316 | |
9f06c719 CL |
2317 | encode_compound_hdr(xdr, req, &hdr); |
2318 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2319 | encode_putfh(xdr, args->fh, &hdr); | |
2320 | encode_lockt(xdr, args, &hdr); | |
d017931c | 2321 | encode_nops(&hdr); |
1da177e4 LT |
2322 | } |
2323 | ||
2324 | /* | |
2325 | * Encode a LOCKU request | |
2326 | */ | |
9f06c719 CL |
2327 | static void nfs4_xdr_enc_locku(struct rpc_rqst *req, struct xdr_stream *xdr, |
2328 | struct nfs_locku_args *args) | |
1da177e4 | 2329 | { |
1da177e4 | 2330 | struct compound_hdr hdr = { |
66cc0429 | 2331 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2332 | }; |
1da177e4 | 2333 | |
9f06c719 CL |
2334 | encode_compound_hdr(xdr, req, &hdr); |
2335 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2336 | encode_putfh(xdr, args->fh, &hdr); | |
2337 | encode_locku(xdr, args, &hdr); | |
d017931c | 2338 | encode_nops(&hdr); |
1da177e4 LT |
2339 | } |
2340 | ||
9f06c719 CL |
2341 | static void nfs4_xdr_enc_release_lockowner(struct rpc_rqst *req, |
2342 | struct xdr_stream *xdr, | |
2343 | struct nfs_release_lockowner_args *args) | |
d3c7b7cc | 2344 | { |
d3c7b7cc TM |
2345 | struct compound_hdr hdr = { |
2346 | .minorversion = 0, | |
2347 | }; | |
2348 | ||
9f06c719 CL |
2349 | encode_compound_hdr(xdr, req, &hdr); |
2350 | encode_release_lockowner(xdr, &args->lock_owner, &hdr); | |
d3c7b7cc | 2351 | encode_nops(&hdr); |
d3c7b7cc TM |
2352 | } |
2353 | ||
1da177e4 LT |
2354 | /* |
2355 | * Encode a READLINK request | |
2356 | */ | |
9f06c719 CL |
2357 | static void nfs4_xdr_enc_readlink(struct rpc_rqst *req, struct xdr_stream *xdr, |
2358 | const struct nfs4_readlink *args) | |
1da177e4 | 2359 | { |
1da177e4 | 2360 | struct compound_hdr hdr = { |
66cc0429 | 2361 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2362 | }; |
1da177e4 | 2363 | |
9f06c719 CL |
2364 | encode_compound_hdr(xdr, req, &hdr); |
2365 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2366 | encode_putfh(xdr, args->fh, &hdr); | |
2367 | encode_readlink(xdr, args, req, &hdr); | |
e3a535e1 | 2368 | |
28f56694 | 2369 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, |
e3a535e1 | 2370 | args->pgbase, args->pglen); |
d017931c | 2371 | encode_nops(&hdr); |
1da177e4 LT |
2372 | } |
2373 | ||
2374 | /* | |
2375 | * Encode a READDIR request | |
2376 | */ | |
9f06c719 CL |
2377 | static void nfs4_xdr_enc_readdir(struct rpc_rqst *req, struct xdr_stream *xdr, |
2378 | const struct nfs4_readdir_arg *args) | |
1da177e4 | 2379 | { |
1da177e4 | 2380 | struct compound_hdr hdr = { |
66cc0429 | 2381 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2382 | }; |
1da177e4 | 2383 | |
9f06c719 CL |
2384 | encode_compound_hdr(xdr, req, &hdr); |
2385 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2386 | encode_putfh(xdr, args->fh, &hdr); | |
2387 | encode_readdir(xdr, args, req, &hdr); | |
d6ac02df | 2388 | |
28f56694 | 2389 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, |
d6ac02df TM |
2390 | args->pgbase, args->count); |
2391 | dprintk("%s: inlined page args = (%u, %p, %u, %u)\n", | |
28f56694 | 2392 | __func__, hdr.replen << 2, args->pages, |
d6ac02df | 2393 | args->pgbase, args->count); |
d017931c | 2394 | encode_nops(&hdr); |
1da177e4 LT |
2395 | } |
2396 | ||
2397 | /* | |
2398 | * Encode a READ request | |
2399 | */ | |
9f06c719 CL |
2400 | static void nfs4_xdr_enc_read(struct rpc_rqst *req, struct xdr_stream *xdr, |
2401 | struct nfs_readargs *args) | |
1da177e4 | 2402 | { |
1da177e4 | 2403 | struct compound_hdr hdr = { |
66cc0429 | 2404 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2405 | }; |
1da177e4 | 2406 | |
9f06c719 CL |
2407 | encode_compound_hdr(xdr, req, &hdr); |
2408 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2409 | encode_putfh(xdr, args->fh, &hdr); | |
2410 | encode_read(xdr, args, &hdr); | |
1da177e4 | 2411 | |
28f56694 | 2412 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, |
1da177e4 | 2413 | args->pages, args->pgbase, args->count); |
4f22ccc3 | 2414 | req->rq_rcv_buf.flags |= XDRBUF_READ; |
d017931c | 2415 | encode_nops(&hdr); |
1da177e4 LT |
2416 | } |
2417 | ||
2418 | /* | |
2419 | * Encode an SETATTR request | |
2420 | */ | |
9f06c719 CL |
2421 | static void nfs4_xdr_enc_setattr(struct rpc_rqst *req, struct xdr_stream *xdr, |
2422 | struct nfs_setattrargs *args) | |
1da177e4 | 2423 | { |
05d564fe | 2424 | struct compound_hdr hdr = { |
66cc0429 | 2425 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 2426 | }; |
05d564fe | 2427 | |
9f06c719 CL |
2428 | encode_compound_hdr(xdr, req, &hdr); |
2429 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2430 | encode_putfh(xdr, args->fh, &hdr); | |
2431 | encode_setattr(xdr, args, args->server, &hdr); | |
2432 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2433 | encode_nops(&hdr); |
1da177e4 LT |
2434 | } |
2435 | ||
029d105e BF |
2436 | /* |
2437 | * Encode a GETACL request | |
2438 | */ | |
9f06c719 CL |
2439 | static void nfs4_xdr_enc_getacl(struct rpc_rqst *req, struct xdr_stream *xdr, |
2440 | struct nfs_getaclargs *args) | |
029d105e | 2441 | { |
029d105e | 2442 | struct compound_hdr hdr = { |
66cc0429 | 2443 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
029d105e | 2444 | }; |
28f56694 | 2445 | uint32_t replen; |
029d105e | 2446 | |
9f06c719 CL |
2447 | encode_compound_hdr(xdr, req, &hdr); |
2448 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2449 | encode_putfh(xdr, args->fh, &hdr); | |
bf118a34 | 2450 | replen = hdr.replen + op_decode_hdr_maxsz + 1; |
9f06c719 | 2451 | encode_getattr_two(xdr, FATTR4_WORD0_ACL, 0, &hdr); |
cf8cdbe5 | 2452 | |
28f56694 | 2453 | xdr_inline_pages(&req->rq_rcv_buf, replen << 2, |
029d105e | 2454 | args->acl_pages, args->acl_pgbase, args->acl_len); |
bf118a34 | 2455 | |
d017931c | 2456 | encode_nops(&hdr); |
029d105e BF |
2457 | } |
2458 | ||
1da177e4 LT |
2459 | /* |
2460 | * Encode a WRITE request | |
2461 | */ | |
9f06c719 CL |
2462 | static void nfs4_xdr_enc_write(struct rpc_rqst *req, struct xdr_stream *xdr, |
2463 | struct nfs_writeargs *args) | |
1da177e4 | 2464 | { |
1da177e4 | 2465 | struct compound_hdr hdr = { |
66cc0429 | 2466 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2467 | }; |
1da177e4 | 2468 | |
9f06c719 CL |
2469 | encode_compound_hdr(xdr, req, &hdr); |
2470 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2471 | encode_putfh(xdr, args->fh, &hdr); | |
2472 | encode_write(xdr, args, &hdr); | |
4f22ccc3 | 2473 | req->rq_snd_buf.flags |= XDRBUF_WRITE; |
7ffd1064 FI |
2474 | if (args->bitmask) |
2475 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2476 | encode_nops(&hdr); |
1da177e4 LT |
2477 | } |
2478 | ||
2479 | /* | |
2480 | * a COMMIT request | |
2481 | */ | |
9f06c719 | 2482 | static void nfs4_xdr_enc_commit(struct rpc_rqst *req, struct xdr_stream *xdr, |
0b7c0153 | 2483 | struct nfs_commitargs *args) |
1da177e4 | 2484 | { |
1da177e4 | 2485 | struct compound_hdr hdr = { |
66cc0429 | 2486 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2487 | }; |
1da177e4 | 2488 | |
9f06c719 CL |
2489 | encode_compound_hdr(xdr, req, &hdr); |
2490 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2491 | encode_putfh(xdr, args->fh, &hdr); | |
2492 | encode_commit(xdr, args, &hdr); | |
d017931c | 2493 | encode_nops(&hdr); |
1da177e4 LT |
2494 | } |
2495 | ||
2496 | /* | |
2497 | * FSINFO request | |
2498 | */ | |
9f06c719 CL |
2499 | static void nfs4_xdr_enc_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, |
2500 | struct nfs4_fsinfo_arg *args) | |
1da177e4 | 2501 | { |
1da177e4 | 2502 | struct compound_hdr hdr = { |
66cc0429 | 2503 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2504 | }; |
1da177e4 | 2505 | |
9f06c719 CL |
2506 | encode_compound_hdr(xdr, req, &hdr); |
2507 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2508 | encode_putfh(xdr, args->fh, &hdr); | |
2509 | encode_fsinfo(xdr, args->bitmask, &hdr); | |
d017931c | 2510 | encode_nops(&hdr); |
1da177e4 LT |
2511 | } |
2512 | ||
2513 | /* | |
2514 | * a PATHCONF request | |
2515 | */ | |
9f06c719 CL |
2516 | static void nfs4_xdr_enc_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, |
2517 | const struct nfs4_pathconf_arg *args) | |
1da177e4 | 2518 | { |
1da177e4 | 2519 | struct compound_hdr hdr = { |
66cc0429 | 2520 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2521 | }; |
1da177e4 | 2522 | |
9f06c719 CL |
2523 | encode_compound_hdr(xdr, req, &hdr); |
2524 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2525 | encode_putfh(xdr, args->fh, &hdr); | |
2526 | encode_getattr_one(xdr, args->bitmask[0] & nfs4_pathconf_bitmap[0], | |
cf8cdbe5 | 2527 | &hdr); |
d017931c | 2528 | encode_nops(&hdr); |
1da177e4 LT |
2529 | } |
2530 | ||
2531 | /* | |
2532 | * a STATFS request | |
2533 | */ | |
9f06c719 CL |
2534 | static void nfs4_xdr_enc_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, |
2535 | const struct nfs4_statfs_arg *args) | |
1da177e4 | 2536 | { |
1da177e4 | 2537 | struct compound_hdr hdr = { |
66cc0429 | 2538 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2539 | }; |
1da177e4 | 2540 | |
9f06c719 CL |
2541 | encode_compound_hdr(xdr, req, &hdr); |
2542 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2543 | encode_putfh(xdr, args->fh, &hdr); | |
2544 | encode_getattr_two(xdr, args->bitmask[0] & nfs4_statfs_bitmap[0], | |
cf8cdbe5 | 2545 | args->bitmask[1] & nfs4_statfs_bitmap[1], &hdr); |
d017931c | 2546 | encode_nops(&hdr); |
1da177e4 LT |
2547 | } |
2548 | ||
2549 | /* | |
2550 | * GETATTR_BITMAP request | |
2551 | */ | |
9f06c719 CL |
2552 | static void nfs4_xdr_enc_server_caps(struct rpc_rqst *req, |
2553 | struct xdr_stream *xdr, | |
2554 | struct nfs4_server_caps_arg *args) | |
1da177e4 | 2555 | { |
1da177e4 | 2556 | struct compound_hdr hdr = { |
66cc0429 | 2557 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2558 | }; |
1da177e4 | 2559 | |
9f06c719 CL |
2560 | encode_compound_hdr(xdr, req, &hdr); |
2561 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2562 | encode_putfh(xdr, args->fhandle, &hdr); | |
2563 | encode_getattr_one(xdr, FATTR4_WORD0_SUPPORTED_ATTRS| | |
264e6351 | 2564 | FATTR4_WORD0_FH_EXPIRE_TYPE| |
cf8cdbe5 AA |
2565 | FATTR4_WORD0_LINK_SUPPORT| |
2566 | FATTR4_WORD0_SYMLINK_SUPPORT| | |
2567 | FATTR4_WORD0_ACLSUPPORT, &hdr); | |
d017931c | 2568 | encode_nops(&hdr); |
1da177e4 LT |
2569 | } |
2570 | ||
2571 | /* | |
2572 | * a RENEW request | |
2573 | */ | |
9f06c719 CL |
2574 | static void nfs4_xdr_enc_renew(struct rpc_rqst *req, struct xdr_stream *xdr, |
2575 | struct nfs_client *clp) | |
1da177e4 | 2576 | { |
1da177e4 | 2577 | struct compound_hdr hdr = { |
d017931c | 2578 | .nops = 0, |
1da177e4 LT |
2579 | }; |
2580 | ||
9f06c719 | 2581 | encode_compound_hdr(xdr, req, &hdr); |
bb4dae5e | 2582 | encode_renew(xdr, clp->cl_clientid, &hdr); |
d017931c | 2583 | encode_nops(&hdr); |
1da177e4 LT |
2584 | } |
2585 | ||
2586 | /* | |
2587 | * a SETCLIENTID request | |
2588 | */ | |
9f06c719 CL |
2589 | static void nfs4_xdr_enc_setclientid(struct rpc_rqst *req, |
2590 | struct xdr_stream *xdr, | |
2591 | struct nfs4_setclientid *sc) | |
1da177e4 | 2592 | { |
1da177e4 | 2593 | struct compound_hdr hdr = { |
d017931c | 2594 | .nops = 0, |
1da177e4 LT |
2595 | }; |
2596 | ||
9f06c719 CL |
2597 | encode_compound_hdr(xdr, req, &hdr); |
2598 | encode_setclientid(xdr, sc, &hdr); | |
d017931c | 2599 | encode_nops(&hdr); |
1da177e4 LT |
2600 | } |
2601 | ||
2602 | /* | |
2603 | * a SETCLIENTID_CONFIRM request | |
2604 | */ | |
9f06c719 CL |
2605 | static void nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, |
2606 | struct xdr_stream *xdr, | |
2607 | struct nfs4_setclientid_res *arg) | |
1da177e4 | 2608 | { |
1da177e4 | 2609 | struct compound_hdr hdr = { |
d017931c | 2610 | .nops = 0, |
1da177e4 | 2611 | }; |
dae100c2 | 2612 | const u32 lease_bitmap[3] = { FATTR4_WORD0_LEASE_TIME }; |
1da177e4 | 2613 | |
9f06c719 CL |
2614 | encode_compound_hdr(xdr, req, &hdr); |
2615 | encode_setclientid_confirm(xdr, arg, &hdr); | |
2616 | encode_putrootfh(xdr, &hdr); | |
2617 | encode_fsinfo(xdr, lease_bitmap, &hdr); | |
d017931c | 2618 | encode_nops(&hdr); |
1da177e4 LT |
2619 | } |
2620 | ||
2621 | /* | |
2622 | * DELEGRETURN request | |
2623 | */ | |
9f06c719 CL |
2624 | static void nfs4_xdr_enc_delegreturn(struct rpc_rqst *req, |
2625 | struct xdr_stream *xdr, | |
2626 | const struct nfs4_delegreturnargs *args) | |
1da177e4 | 2627 | { |
1da177e4 | 2628 | struct compound_hdr hdr = { |
66cc0429 | 2629 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2630 | }; |
1da177e4 | 2631 | |
9f06c719 CL |
2632 | encode_compound_hdr(xdr, req, &hdr); |
2633 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2634 | encode_putfh(xdr, args->fhandle, &hdr); | |
9f06c719 | 2635 | encode_getfattr(xdr, args->bitmask, &hdr); |
e144cbcc | 2636 | encode_delegreturn(xdr, args->stateid, &hdr); |
d017931c | 2637 | encode_nops(&hdr); |
1da177e4 LT |
2638 | } |
2639 | ||
683b57b4 TM |
2640 | /* |
2641 | * Encode FS_LOCATIONS request | |
2642 | */ | |
9f06c719 CL |
2643 | static void nfs4_xdr_enc_fs_locations(struct rpc_rqst *req, |
2644 | struct xdr_stream *xdr, | |
2645 | struct nfs4_fs_locations_arg *args) | |
683b57b4 | 2646 | { |
683b57b4 | 2647 | struct compound_hdr hdr = { |
66cc0429 | 2648 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
683b57b4 | 2649 | }; |
28f56694 | 2650 | uint32_t replen; |
683b57b4 | 2651 | |
9f06c719 CL |
2652 | encode_compound_hdr(xdr, req, &hdr); |
2653 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2654 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2655 | encode_lookup(xdr, args->name, &hdr); | |
28f56694 | 2656 | replen = hdr.replen; /* get the attribute into args->page */ |
9f06c719 | 2657 | encode_fs_locations(xdr, args->bitmask, &hdr); |
cf8cdbe5 | 2658 | |
28f56694 | 2659 | xdr_inline_pages(&req->rq_rcv_buf, replen << 2, &args->page, |
683b57b4 | 2660 | 0, PAGE_SIZE); |
d017931c | 2661 | encode_nops(&hdr); |
683b57b4 TM |
2662 | } |
2663 | ||
5a5ea0d4 BS |
2664 | /* |
2665 | * Encode SECINFO request | |
2666 | */ | |
2667 | static void nfs4_xdr_enc_secinfo(struct rpc_rqst *req, | |
2668 | struct xdr_stream *xdr, | |
2669 | struct nfs4_secinfo_arg *args) | |
2670 | { | |
2671 | struct compound_hdr hdr = { | |
2672 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2673 | }; | |
2674 | ||
2675 | encode_compound_hdr(xdr, req, &hdr); | |
2676 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2677 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2678 | encode_secinfo(xdr, args->name, &hdr); | |
2679 | encode_nops(&hdr); | |
2680 | } | |
2681 | ||
99fe60d0 | 2682 | #if defined(CONFIG_NFS_V4_1) |
7c44f1ae WAA |
2683 | /* |
2684 | * BIND_CONN_TO_SESSION request | |
2685 | */ | |
2686 | static void nfs4_xdr_enc_bind_conn_to_session(struct rpc_rqst *req, | |
2687 | struct xdr_stream *xdr, | |
2688 | struct nfs_client *clp) | |
2689 | { | |
2690 | struct compound_hdr hdr = { | |
2691 | .minorversion = clp->cl_mvops->minor_version, | |
2692 | }; | |
2693 | ||
2694 | encode_compound_hdr(xdr, req, &hdr); | |
2695 | encode_bind_conn_to_session(xdr, clp->cl_session, &hdr); | |
2696 | encode_nops(&hdr); | |
2697 | } | |
2698 | ||
99fe60d0 BH |
2699 | /* |
2700 | * EXCHANGE_ID request | |
2701 | */ | |
9f06c719 CL |
2702 | static void nfs4_xdr_enc_exchange_id(struct rpc_rqst *req, |
2703 | struct xdr_stream *xdr, | |
2704 | struct nfs41_exchange_id_args *args) | |
99fe60d0 | 2705 | { |
99fe60d0 | 2706 | struct compound_hdr hdr = { |
a4432345 | 2707 | .minorversion = args->client->cl_mvops->minor_version, |
99fe60d0 BH |
2708 | }; |
2709 | ||
9f06c719 CL |
2710 | encode_compound_hdr(xdr, req, &hdr); |
2711 | encode_exchange_id(xdr, args, &hdr); | |
99fe60d0 | 2712 | encode_nops(&hdr); |
99fe60d0 | 2713 | } |
2050f0cc | 2714 | |
fc931582 AA |
2715 | /* |
2716 | * a CREATE_SESSION request | |
2717 | */ | |
9f06c719 CL |
2718 | static void nfs4_xdr_enc_create_session(struct rpc_rqst *req, |
2719 | struct xdr_stream *xdr, | |
2720 | struct nfs41_create_session_args *args) | |
fc931582 | 2721 | { |
fc931582 | 2722 | struct compound_hdr hdr = { |
a4432345 | 2723 | .minorversion = args->client->cl_mvops->minor_version, |
fc931582 AA |
2724 | }; |
2725 | ||
9f06c719 CL |
2726 | encode_compound_hdr(xdr, req, &hdr); |
2727 | encode_create_session(xdr, args, &hdr); | |
fc931582 | 2728 | encode_nops(&hdr); |
fc931582 AA |
2729 | } |
2730 | ||
0f3e66c6 AA |
2731 | /* |
2732 | * a DESTROY_SESSION request | |
2733 | */ | |
9f06c719 CL |
2734 | static void nfs4_xdr_enc_destroy_session(struct rpc_rqst *req, |
2735 | struct xdr_stream *xdr, | |
2736 | struct nfs4_session *session) | |
0f3e66c6 | 2737 | { |
0f3e66c6 | 2738 | struct compound_hdr hdr = { |
a4432345 | 2739 | .minorversion = session->clp->cl_mvops->minor_version, |
0f3e66c6 AA |
2740 | }; |
2741 | ||
9f06c719 CL |
2742 | encode_compound_hdr(xdr, req, &hdr); |
2743 | encode_destroy_session(xdr, session, &hdr); | |
0f3e66c6 | 2744 | encode_nops(&hdr); |
0f3e66c6 AA |
2745 | } |
2746 | ||
66245539 TM |
2747 | /* |
2748 | * a DESTROY_CLIENTID request | |
2749 | */ | |
2750 | static void nfs4_xdr_enc_destroy_clientid(struct rpc_rqst *req, | |
2751 | struct xdr_stream *xdr, | |
2752 | struct nfs_client *clp) | |
2753 | { | |
2754 | struct compound_hdr hdr = { | |
2755 | .minorversion = clp->cl_mvops->minor_version, | |
2756 | }; | |
2757 | ||
2758 | encode_compound_hdr(xdr, req, &hdr); | |
2759 | encode_destroy_clientid(xdr, clp->cl_clientid, &hdr); | |
2760 | encode_nops(&hdr); | |
2761 | } | |
2762 | ||
fc01cea9 AA |
2763 | /* |
2764 | * a SEQUENCE request | |
2765 | */ | |
9f06c719 CL |
2766 | static void nfs4_xdr_enc_sequence(struct rpc_rqst *req, struct xdr_stream *xdr, |
2767 | struct nfs4_sequence_args *args) | |
fc01cea9 | 2768 | { |
fc01cea9 AA |
2769 | struct compound_hdr hdr = { |
2770 | .minorversion = nfs4_xdr_minorversion(args), | |
2771 | }; | |
2772 | ||
9f06c719 CL |
2773 | encode_compound_hdr(xdr, req, &hdr); |
2774 | encode_sequence(xdr, args, &hdr); | |
fc01cea9 | 2775 | encode_nops(&hdr); |
fc01cea9 AA |
2776 | } |
2777 | ||
2050f0cc AA |
2778 | /* |
2779 | * a GET_LEASE_TIME request | |
2780 | */ | |
9f06c719 CL |
2781 | static void nfs4_xdr_enc_get_lease_time(struct rpc_rqst *req, |
2782 | struct xdr_stream *xdr, | |
2783 | struct nfs4_get_lease_time_args *args) | |
2050f0cc | 2784 | { |
2050f0cc AA |
2785 | struct compound_hdr hdr = { |
2786 | .minorversion = nfs4_xdr_minorversion(&args->la_seq_args), | |
2787 | }; | |
dae100c2 | 2788 | const u32 lease_bitmap[3] = { FATTR4_WORD0_LEASE_TIME }; |
2050f0cc | 2789 | |
9f06c719 CL |
2790 | encode_compound_hdr(xdr, req, &hdr); |
2791 | encode_sequence(xdr, &args->la_seq_args, &hdr); | |
2792 | encode_putrootfh(xdr, &hdr); | |
2793 | encode_fsinfo(xdr, lease_bitmap, &hdr); | |
2050f0cc | 2794 | encode_nops(&hdr); |
2050f0cc | 2795 | } |
18019753 RL |
2796 | |
2797 | /* | |
2798 | * a RECLAIM_COMPLETE request | |
2799 | */ | |
9f06c719 CL |
2800 | static void nfs4_xdr_enc_reclaim_complete(struct rpc_rqst *req, |
2801 | struct xdr_stream *xdr, | |
2802 | struct nfs41_reclaim_complete_args *args) | |
18019753 | 2803 | { |
18019753 RL |
2804 | struct compound_hdr hdr = { |
2805 | .minorversion = nfs4_xdr_minorversion(&args->seq_args) | |
2806 | }; | |
2807 | ||
9f06c719 CL |
2808 | encode_compound_hdr(xdr, req, &hdr); |
2809 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2810 | encode_reclaim_complete(xdr, args, &hdr); | |
18019753 | 2811 | encode_nops(&hdr); |
18019753 RL |
2812 | } |
2813 | ||
7f11d8d3 AA |
2814 | /* |
2815 | * Encode GETDEVICELIST request | |
2816 | */ | |
2817 | static void nfs4_xdr_enc_getdevicelist(struct rpc_rqst *req, | |
2818 | struct xdr_stream *xdr, | |
2819 | struct nfs4_getdevicelist_args *args) | |
2820 | { | |
2821 | struct compound_hdr hdr = { | |
2822 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2823 | }; | |
2824 | ||
2825 | encode_compound_hdr(xdr, req, &hdr); | |
2826 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2827 | encode_putfh(xdr, args->fh, &hdr); | |
2828 | encode_getdevicelist(xdr, args, &hdr); | |
2829 | encode_nops(&hdr); | |
2830 | } | |
2831 | ||
b1f69b75 AA |
2832 | /* |
2833 | * Encode GETDEVICEINFO request | |
2834 | */ | |
9f06c719 CL |
2835 | static void nfs4_xdr_enc_getdeviceinfo(struct rpc_rqst *req, |
2836 | struct xdr_stream *xdr, | |
2837 | struct nfs4_getdeviceinfo_args *args) | |
b1f69b75 | 2838 | { |
b1f69b75 AA |
2839 | struct compound_hdr hdr = { |
2840 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2841 | }; | |
2842 | ||
9f06c719 CL |
2843 | encode_compound_hdr(xdr, req, &hdr); |
2844 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2845 | encode_getdeviceinfo(xdr, args, &hdr); | |
b1f69b75 AA |
2846 | |
2847 | /* set up reply kvec. Subtract notification bitmap max size (2) | |
2848 | * so that notification bitmap is put in xdr_buf tail */ | |
2849 | xdr_inline_pages(&req->rq_rcv_buf, (hdr.replen - 2) << 2, | |
2850 | args->pdev->pages, args->pdev->pgbase, | |
2851 | args->pdev->pglen); | |
2852 | ||
2853 | encode_nops(&hdr); | |
b1f69b75 AA |
2854 | } |
2855 | ||
2856 | /* | |
2857 | * Encode LAYOUTGET request | |
2858 | */ | |
9f06c719 CL |
2859 | static void nfs4_xdr_enc_layoutget(struct rpc_rqst *req, |
2860 | struct xdr_stream *xdr, | |
2861 | struct nfs4_layoutget_args *args) | |
b1f69b75 | 2862 | { |
b1f69b75 AA |
2863 | struct compound_hdr hdr = { |
2864 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2865 | }; | |
2866 | ||
9f06c719 CL |
2867 | encode_compound_hdr(xdr, req, &hdr); |
2868 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2869 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
2870 | encode_layoutget(xdr, args, &hdr); | |
35124a09 WAA |
2871 | |
2872 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, | |
2873 | args->layout.pages, 0, args->layout.pglen); | |
2874 | ||
b1f69b75 | 2875 | encode_nops(&hdr); |
b1f69b75 | 2876 | } |
863a3c6c AA |
2877 | |
2878 | /* | |
2879 | * Encode LAYOUTCOMMIT request | |
2880 | */ | |
cbe82603 BH |
2881 | static void nfs4_xdr_enc_layoutcommit(struct rpc_rqst *req, |
2882 | struct xdr_stream *xdr, | |
2883 | struct nfs4_layoutcommit_args *args) | |
863a3c6c | 2884 | { |
ac7db726 BH |
2885 | struct nfs4_layoutcommit_data *data = |
2886 | container_of(args, struct nfs4_layoutcommit_data, args); | |
863a3c6c AA |
2887 | struct compound_hdr hdr = { |
2888 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2889 | }; | |
2890 | ||
2891 | encode_compound_hdr(xdr, req, &hdr); | |
2892 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2893 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
ac7db726 | 2894 | encode_layoutcommit(xdr, data->args.inode, args, &hdr); |
863a3c6c | 2895 | encode_getfattr(xdr, args->bitmask, &hdr); |
b1f69b75 | 2896 | encode_nops(&hdr); |
cbe82603 BH |
2897 | } |
2898 | ||
2899 | /* | |
2900 | * Encode LAYOUTRETURN request | |
2901 | */ | |
2902 | static void nfs4_xdr_enc_layoutreturn(struct rpc_rqst *req, | |
2903 | struct xdr_stream *xdr, | |
2904 | struct nfs4_layoutreturn_args *args) | |
2905 | { | |
2906 | struct compound_hdr hdr = { | |
2907 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2908 | }; | |
2909 | ||
2910 | encode_compound_hdr(xdr, req, &hdr); | |
2911 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2912 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
2913 | encode_layoutreturn(xdr, args, &hdr); | |
2914 | encode_nops(&hdr); | |
b1f69b75 | 2915 | } |
fca78d6d BS |
2916 | |
2917 | /* | |
2918 | * Encode SECINFO_NO_NAME request | |
2919 | */ | |
2920 | static int nfs4_xdr_enc_secinfo_no_name(struct rpc_rqst *req, | |
2921 | struct xdr_stream *xdr, | |
2922 | struct nfs41_secinfo_no_name_args *args) | |
2923 | { | |
2924 | struct compound_hdr hdr = { | |
2925 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2926 | }; | |
2927 | ||
2928 | encode_compound_hdr(xdr, req, &hdr); | |
2929 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2930 | encode_putrootfh(xdr, &hdr); | |
2931 | encode_secinfo_no_name(xdr, args, &hdr); | |
2932 | encode_nops(&hdr); | |
2933 | return 0; | |
2934 | } | |
7d974794 BS |
2935 | |
2936 | /* | |
2937 | * Encode TEST_STATEID request | |
2938 | */ | |
2939 | static void nfs4_xdr_enc_test_stateid(struct rpc_rqst *req, | |
2940 | struct xdr_stream *xdr, | |
2941 | struct nfs41_test_stateid_args *args) | |
2942 | { | |
2943 | struct compound_hdr hdr = { | |
2944 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2945 | }; | |
2946 | ||
2947 | encode_compound_hdr(xdr, req, &hdr); | |
2948 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2949 | encode_test_stateid(xdr, args, &hdr); | |
2950 | encode_nops(&hdr); | |
2951 | } | |
9aeda35f BS |
2952 | |
2953 | /* | |
2954 | * Encode FREE_STATEID request | |
2955 | */ | |
2956 | static void nfs4_xdr_enc_free_stateid(struct rpc_rqst *req, | |
2957 | struct xdr_stream *xdr, | |
2958 | struct nfs41_free_stateid_args *args) | |
2959 | { | |
2960 | struct compound_hdr hdr = { | |
2961 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2962 | }; | |
2963 | ||
2964 | encode_compound_hdr(xdr, req, &hdr); | |
2965 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2966 | encode_free_stateid(xdr, args, &hdr); | |
2967 | encode_nops(&hdr); | |
2968 | } | |
99fe60d0 BH |
2969 | #endif /* CONFIG_NFS_V4_1 */ |
2970 | ||
686841b3 BH |
2971 | static void print_overflow_msg(const char *func, const struct xdr_stream *xdr) |
2972 | { | |
2973 | dprintk("nfs: %s: prematurely hit end of receive buffer. " | |
2974 | "Remaining buffer length is %tu words.\n", | |
2975 | func, xdr->end - xdr->p); | |
2976 | } | |
1da177e4 | 2977 | |
683b57b4 | 2978 | static int decode_opaque_inline(struct xdr_stream *xdr, unsigned int *len, char **string) |
1da177e4 | 2979 | { |
8687b63a | 2980 | __be32 *p; |
1da177e4 | 2981 | |
c0eae66e BH |
2982 | p = xdr_inline_decode(xdr, 4); |
2983 | if (unlikely(!p)) | |
2984 | goto out_overflow; | |
cccddf4f | 2985 | *len = be32_to_cpup(p); |
c0eae66e BH |
2986 | p = xdr_inline_decode(xdr, *len); |
2987 | if (unlikely(!p)) | |
2988 | goto out_overflow; | |
1da177e4 LT |
2989 | *string = (char *)p; |
2990 | return 0; | |
c0eae66e BH |
2991 | out_overflow: |
2992 | print_overflow_msg(__func__, xdr); | |
2993 | return -EIO; | |
1da177e4 LT |
2994 | } |
2995 | ||
2996 | static int decode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr) | |
2997 | { | |
8687b63a | 2998 | __be32 *p; |
1da177e4 | 2999 | |
c0eae66e BH |
3000 | p = xdr_inline_decode(xdr, 8); |
3001 | if (unlikely(!p)) | |
3002 | goto out_overflow; | |
6f723f77 | 3003 | hdr->status = be32_to_cpup(p++); |
cccddf4f | 3004 | hdr->taglen = be32_to_cpup(p); |
6c0195a4 | 3005 | |
c0eae66e BH |
3006 | p = xdr_inline_decode(xdr, hdr->taglen + 4); |
3007 | if (unlikely(!p)) | |
3008 | goto out_overflow; | |
1da177e4 LT |
3009 | hdr->tag = (char *)p; |
3010 | p += XDR_QUADLEN(hdr->taglen); | |
cccddf4f | 3011 | hdr->nops = be32_to_cpup(p); |
aadf6152 BH |
3012 | if (unlikely(hdr->nops < 1)) |
3013 | return nfs4_stat_to_errno(hdr->status); | |
1da177e4 | 3014 | return 0; |
c0eae66e BH |
3015 | out_overflow: |
3016 | print_overflow_msg(__func__, xdr); | |
3017 | return -EIO; | |
1da177e4 LT |
3018 | } |
3019 | ||
3020 | static int decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected) | |
3021 | { | |
8687b63a | 3022 | __be32 *p; |
1da177e4 LT |
3023 | uint32_t opnum; |
3024 | int32_t nfserr; | |
3025 | ||
c0eae66e BH |
3026 | p = xdr_inline_decode(xdr, 8); |
3027 | if (unlikely(!p)) | |
3028 | goto out_overflow; | |
6f723f77 | 3029 | opnum = be32_to_cpup(p++); |
1da177e4 | 3030 | if (opnum != expected) { |
fe82a183 CL |
3031 | dprintk("nfs: Server returned operation" |
3032 | " %d but we issued a request for %d\n", | |
1da177e4 LT |
3033 | opnum, expected); |
3034 | return -EIO; | |
3035 | } | |
cccddf4f | 3036 | nfserr = be32_to_cpup(p); |
1da177e4 | 3037 | if (nfserr != NFS_OK) |
856dff3d | 3038 | return nfs4_stat_to_errno(nfserr); |
1da177e4 | 3039 | return 0; |
c0eae66e BH |
3040 | out_overflow: |
3041 | print_overflow_msg(__func__, xdr); | |
3042 | return -EIO; | |
1da177e4 LT |
3043 | } |
3044 | ||
3045 | /* Dummy routine */ | |
adfa6f98 | 3046 | static int decode_ace(struct xdr_stream *xdr, void *ace, struct nfs_client *clp) |
1da177e4 | 3047 | { |
8687b63a | 3048 | __be32 *p; |
683b57b4 | 3049 | unsigned int strlen; |
1da177e4 LT |
3050 | char *str; |
3051 | ||
c0eae66e BH |
3052 | p = xdr_inline_decode(xdr, 12); |
3053 | if (likely(p)) | |
3054 | return decode_opaque_inline(xdr, &strlen, &str); | |
3055 | print_overflow_msg(__func__, xdr); | |
3056 | return -EIO; | |
1da177e4 LT |
3057 | } |
3058 | ||
3059 | static int decode_attr_bitmap(struct xdr_stream *xdr, uint32_t *bitmap) | |
3060 | { | |
8687b63a AV |
3061 | uint32_t bmlen; |
3062 | __be32 *p; | |
1da177e4 | 3063 | |
c0eae66e BH |
3064 | p = xdr_inline_decode(xdr, 4); |
3065 | if (unlikely(!p)) | |
3066 | goto out_overflow; | |
cccddf4f | 3067 | bmlen = be32_to_cpup(p); |
1da177e4 | 3068 | |
dae100c2 | 3069 | bitmap[0] = bitmap[1] = bitmap[2] = 0; |
c0eae66e BH |
3070 | p = xdr_inline_decode(xdr, (bmlen << 2)); |
3071 | if (unlikely(!p)) | |
3072 | goto out_overflow; | |
1da177e4 | 3073 | if (bmlen > 0) { |
6f723f77 | 3074 | bitmap[0] = be32_to_cpup(p++); |
dae100c2 FI |
3075 | if (bmlen > 1) { |
3076 | bitmap[1] = be32_to_cpup(p++); | |
3077 | if (bmlen > 2) | |
3078 | bitmap[2] = be32_to_cpup(p); | |
3079 | } | |
1da177e4 LT |
3080 | } |
3081 | return 0; | |
c0eae66e BH |
3082 | out_overflow: |
3083 | print_overflow_msg(__func__, xdr); | |
3084 | return -EIO; | |
1da177e4 LT |
3085 | } |
3086 | ||
256e48bb | 3087 | static int decode_attr_length(struct xdr_stream *xdr, uint32_t *attrlen, unsigned int *savep) |
1da177e4 | 3088 | { |
8687b63a | 3089 | __be32 *p; |
1da177e4 | 3090 | |
c0eae66e BH |
3091 | p = xdr_inline_decode(xdr, 4); |
3092 | if (unlikely(!p)) | |
3093 | goto out_overflow; | |
cccddf4f | 3094 | *attrlen = be32_to_cpup(p); |
256e48bb | 3095 | *savep = xdr_stream_pos(xdr); |
1da177e4 | 3096 | return 0; |
c0eae66e BH |
3097 | out_overflow: |
3098 | print_overflow_msg(__func__, xdr); | |
3099 | return -EIO; | |
1da177e4 LT |
3100 | } |
3101 | ||
3102 | static int decode_attr_supported(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *bitmask) | |
3103 | { | |
3104 | if (likely(bitmap[0] & FATTR4_WORD0_SUPPORTED_ATTRS)) { | |
3388bff5 RB |
3105 | int ret; |
3106 | ret = decode_attr_bitmap(xdr, bitmask); | |
3107 | if (unlikely(ret < 0)) | |
3108 | return ret; | |
1da177e4 LT |
3109 | bitmap[0] &= ~FATTR4_WORD0_SUPPORTED_ATTRS; |
3110 | } else | |
dae100c2 FI |
3111 | bitmask[0] = bitmask[1] = bitmask[2] = 0; |
3112 | dprintk("%s: bitmask=%08x:%08x:%08x\n", __func__, | |
3113 | bitmask[0], bitmask[1], bitmask[2]); | |
1da177e4 LT |
3114 | return 0; |
3115 | } | |
3116 | ||
3117 | static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *type) | |
3118 | { | |
8687b63a | 3119 | __be32 *p; |
409924e4 | 3120 | int ret = 0; |
1da177e4 LT |
3121 | |
3122 | *type = 0; | |
3123 | if (unlikely(bitmap[0] & (FATTR4_WORD0_TYPE - 1U))) | |
3124 | return -EIO; | |
3125 | if (likely(bitmap[0] & FATTR4_WORD0_TYPE)) { | |
c0eae66e BH |
3126 | p = xdr_inline_decode(xdr, 4); |
3127 | if (unlikely(!p)) | |
3128 | goto out_overflow; | |
cccddf4f | 3129 | *type = be32_to_cpup(p); |
1da177e4 | 3130 | if (*type < NF4REG || *type > NF4NAMEDATTR) { |
3110ff80 | 3131 | dprintk("%s: bad type %d\n", __func__, *type); |
1da177e4 LT |
3132 | return -EIO; |
3133 | } | |
3134 | bitmap[0] &= ~FATTR4_WORD0_TYPE; | |
409924e4 | 3135 | ret = NFS_ATTR_FATTR_TYPE; |
1da177e4 | 3136 | } |
bca79478 | 3137 | dprintk("%s: type=0%o\n", __func__, nfs_type2fmt[*type]); |
409924e4 | 3138 | return ret; |
c0eae66e BH |
3139 | out_overflow: |
3140 | print_overflow_msg(__func__, xdr); | |
3141 | return -EIO; | |
1da177e4 LT |
3142 | } |
3143 | ||
264e6351 CL |
3144 | static int decode_attr_fh_expire_type(struct xdr_stream *xdr, |
3145 | uint32_t *bitmap, uint32_t *type) | |
3146 | { | |
3147 | __be32 *p; | |
3148 | ||
3149 | *type = 0; | |
3150 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FH_EXPIRE_TYPE - 1U))) | |
3151 | return -EIO; | |
3152 | if (likely(bitmap[0] & FATTR4_WORD0_FH_EXPIRE_TYPE)) { | |
3153 | p = xdr_inline_decode(xdr, 4); | |
3154 | if (unlikely(!p)) | |
3155 | goto out_overflow; | |
3156 | *type = be32_to_cpup(p); | |
3157 | bitmap[0] &= ~FATTR4_WORD0_FH_EXPIRE_TYPE; | |
3158 | } | |
3159 | dprintk("%s: expire type=0x%x\n", __func__, *type); | |
3160 | return 0; | |
3161 | out_overflow: | |
3162 | print_overflow_msg(__func__, xdr); | |
3163 | return -EIO; | |
3164 | } | |
3165 | ||
1da177e4 LT |
3166 | static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *change) |
3167 | { | |
8687b63a | 3168 | __be32 *p; |
409924e4 | 3169 | int ret = 0; |
1da177e4 LT |
3170 | |
3171 | *change = 0; | |
3172 | if (unlikely(bitmap[0] & (FATTR4_WORD0_CHANGE - 1U))) | |
3173 | return -EIO; | |
3174 | if (likely(bitmap[0] & FATTR4_WORD0_CHANGE)) { | |
c0eae66e BH |
3175 | p = xdr_inline_decode(xdr, 8); |
3176 | if (unlikely(!p)) | |
3177 | goto out_overflow; | |
cccddf4f | 3178 | xdr_decode_hyper(p, change); |
1da177e4 | 3179 | bitmap[0] &= ~FATTR4_WORD0_CHANGE; |
409924e4 | 3180 | ret = NFS_ATTR_FATTR_CHANGE; |
1da177e4 | 3181 | } |
3110ff80 | 3182 | dprintk("%s: change attribute=%Lu\n", __func__, |
1da177e4 | 3183 | (unsigned long long)*change); |
409924e4 | 3184 | return ret; |
c0eae66e BH |
3185 | out_overflow: |
3186 | print_overflow_msg(__func__, xdr); | |
3187 | return -EIO; | |
1da177e4 LT |
3188 | } |
3189 | ||
3190 | static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *size) | |
3191 | { | |
8687b63a | 3192 | __be32 *p; |
409924e4 | 3193 | int ret = 0; |
1da177e4 LT |
3194 | |
3195 | *size = 0; | |
3196 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SIZE - 1U))) | |
3197 | return -EIO; | |
3198 | if (likely(bitmap[0] & FATTR4_WORD0_SIZE)) { | |
c0eae66e BH |
3199 | p = xdr_inline_decode(xdr, 8); |
3200 | if (unlikely(!p)) | |
3201 | goto out_overflow; | |
cccddf4f | 3202 | xdr_decode_hyper(p, size); |
1da177e4 | 3203 | bitmap[0] &= ~FATTR4_WORD0_SIZE; |
409924e4 | 3204 | ret = NFS_ATTR_FATTR_SIZE; |
1da177e4 | 3205 | } |
3110ff80 | 3206 | dprintk("%s: file size=%Lu\n", __func__, (unsigned long long)*size); |
409924e4 | 3207 | return ret; |
c0eae66e BH |
3208 | out_overflow: |
3209 | print_overflow_msg(__func__, xdr); | |
3210 | return -EIO; | |
1da177e4 LT |
3211 | } |
3212 | ||
3213 | static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3214 | { | |
8687b63a | 3215 | __be32 *p; |
1da177e4 LT |
3216 | |
3217 | *res = 0; | |
3218 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LINK_SUPPORT - 1U))) | |
3219 | return -EIO; | |
3220 | if (likely(bitmap[0] & FATTR4_WORD0_LINK_SUPPORT)) { | |
c0eae66e BH |
3221 | p = xdr_inline_decode(xdr, 4); |
3222 | if (unlikely(!p)) | |
3223 | goto out_overflow; | |
cccddf4f | 3224 | *res = be32_to_cpup(p); |
1da177e4 LT |
3225 | bitmap[0] &= ~FATTR4_WORD0_LINK_SUPPORT; |
3226 | } | |
3110ff80 | 3227 | dprintk("%s: link support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 | 3228 | return 0; |
c0eae66e BH |
3229 | out_overflow: |
3230 | print_overflow_msg(__func__, xdr); | |
3231 | return -EIO; | |
1da177e4 LT |
3232 | } |
3233 | ||
3234 | static int decode_attr_symlink_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3235 | { | |
8687b63a | 3236 | __be32 *p; |
1da177e4 LT |
3237 | |
3238 | *res = 0; | |
3239 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SYMLINK_SUPPORT - 1U))) | |
3240 | return -EIO; | |
3241 | if (likely(bitmap[0] & FATTR4_WORD0_SYMLINK_SUPPORT)) { | |
c0eae66e BH |
3242 | p = xdr_inline_decode(xdr, 4); |
3243 | if (unlikely(!p)) | |
3244 | goto out_overflow; | |
cccddf4f | 3245 | *res = be32_to_cpup(p); |
1da177e4 LT |
3246 | bitmap[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT; |
3247 | } | |
3110ff80 | 3248 | dprintk("%s: symlink support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 | 3249 | return 0; |
c0eae66e BH |
3250 | out_overflow: |
3251 | print_overflow_msg(__func__, xdr); | |
3252 | return -EIO; | |
1da177e4 LT |
3253 | } |
3254 | ||
8b4bdcf8 | 3255 | static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fsid *fsid) |
1da177e4 | 3256 | { |
8687b63a | 3257 | __be32 *p; |
409924e4 | 3258 | int ret = 0; |
1da177e4 LT |
3259 | |
3260 | fsid->major = 0; | |
3261 | fsid->minor = 0; | |
3262 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FSID - 1U))) | |
3263 | return -EIO; | |
3264 | if (likely(bitmap[0] & FATTR4_WORD0_FSID)) { | |
c0eae66e BH |
3265 | p = xdr_inline_decode(xdr, 16); |
3266 | if (unlikely(!p)) | |
3267 | goto out_overflow; | |
3ceb4dbb | 3268 | p = xdr_decode_hyper(p, &fsid->major); |
cccddf4f | 3269 | xdr_decode_hyper(p, &fsid->minor); |
1da177e4 | 3270 | bitmap[0] &= ~FATTR4_WORD0_FSID; |
409924e4 | 3271 | ret = NFS_ATTR_FATTR_FSID; |
1da177e4 | 3272 | } |
3110ff80 | 3273 | dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __func__, |
1da177e4 LT |
3274 | (unsigned long long)fsid->major, |
3275 | (unsigned long long)fsid->minor); | |
409924e4 | 3276 | return ret; |
c0eae66e BH |
3277 | out_overflow: |
3278 | print_overflow_msg(__func__, xdr); | |
3279 | return -EIO; | |
1da177e4 LT |
3280 | } |
3281 | ||
3282 | static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3283 | { | |
8687b63a | 3284 | __be32 *p; |
1da177e4 LT |
3285 | |
3286 | *res = 60; | |
3287 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LEASE_TIME - 1U))) | |
3288 | return -EIO; | |
3289 | if (likely(bitmap[0] & FATTR4_WORD0_LEASE_TIME)) { | |
c0eae66e BH |
3290 | p = xdr_inline_decode(xdr, 4); |
3291 | if (unlikely(!p)) | |
3292 | goto out_overflow; | |
cccddf4f | 3293 | *res = be32_to_cpup(p); |
1da177e4 LT |
3294 | bitmap[0] &= ~FATTR4_WORD0_LEASE_TIME; |
3295 | } | |
3110ff80 | 3296 | dprintk("%s: file size=%u\n", __func__, (unsigned int)*res); |
1da177e4 | 3297 | return 0; |
c0eae66e BH |
3298 | out_overflow: |
3299 | print_overflow_msg(__func__, xdr); | |
3300 | return -EIO; | |
1da177e4 LT |
3301 | } |
3302 | ||
ee7b75fc | 3303 | static int decode_attr_error(struct xdr_stream *xdr, uint32_t *bitmap, int32_t *res) |
ae42c70a BS |
3304 | { |
3305 | __be32 *p; | |
3306 | ||
3307 | if (unlikely(bitmap[0] & (FATTR4_WORD0_RDATTR_ERROR - 1U))) | |
3308 | return -EIO; | |
3309 | if (likely(bitmap[0] & FATTR4_WORD0_RDATTR_ERROR)) { | |
3310 | p = xdr_inline_decode(xdr, 4); | |
3311 | if (unlikely(!p)) | |
3312 | goto out_overflow; | |
3313 | bitmap[0] &= ~FATTR4_WORD0_RDATTR_ERROR; | |
ee7b75fc | 3314 | *res = -be32_to_cpup(p); |
ae42c70a BS |
3315 | } |
3316 | return 0; | |
3317 | out_overflow: | |
3318 | print_overflow_msg(__func__, xdr); | |
3319 | return -EIO; | |
3320 | } | |
3321 | ||
3322 | static int decode_attr_filehandle(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fh *fh) | |
3323 | { | |
3324 | __be32 *p; | |
3325 | int len; | |
3326 | ||
7ad07353 TM |
3327 | if (fh != NULL) |
3328 | memset(fh, 0, sizeof(*fh)); | |
ae42c70a BS |
3329 | |
3330 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEHANDLE - 1U))) | |
3331 | return -EIO; | |
3332 | if (likely(bitmap[0] & FATTR4_WORD0_FILEHANDLE)) { | |
3333 | p = xdr_inline_decode(xdr, 4); | |
3334 | if (unlikely(!p)) | |
3335 | goto out_overflow; | |
3336 | len = be32_to_cpup(p); | |
3337 | if (len > NFS4_FHSIZE) | |
3338 | return -EIO; | |
ae42c70a BS |
3339 | p = xdr_inline_decode(xdr, len); |
3340 | if (unlikely(!p)) | |
3341 | goto out_overflow; | |
7ad07353 TM |
3342 | if (fh != NULL) { |
3343 | memcpy(fh->data, p, len); | |
3344 | fh->size = len; | |
3345 | } | |
ae42c70a BS |
3346 | bitmap[0] &= ~FATTR4_WORD0_FILEHANDLE; |
3347 | } | |
3348 | return 0; | |
3349 | out_overflow: | |
3350 | print_overflow_msg(__func__, xdr); | |
3351 | return -EIO; | |
3352 | } | |
3353 | ||
1da177e4 LT |
3354 | static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) |
3355 | { | |
8687b63a | 3356 | __be32 *p; |
1da177e4 LT |
3357 | |
3358 | *res = ACL4_SUPPORT_ALLOW_ACL|ACL4_SUPPORT_DENY_ACL; | |
3359 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACLSUPPORT - 1U))) | |
3360 | return -EIO; | |
3361 | if (likely(bitmap[0] & FATTR4_WORD0_ACLSUPPORT)) { | |
c0eae66e BH |
3362 | p = xdr_inline_decode(xdr, 4); |
3363 | if (unlikely(!p)) | |
3364 | goto out_overflow; | |
cccddf4f | 3365 | *res = be32_to_cpup(p); |
1da177e4 LT |
3366 | bitmap[0] &= ~FATTR4_WORD0_ACLSUPPORT; |
3367 | } | |
3110ff80 | 3368 | dprintk("%s: ACLs supported=%u\n", __func__, (unsigned int)*res); |
1da177e4 | 3369 | return 0; |
c0eae66e BH |
3370 | out_overflow: |
3371 | print_overflow_msg(__func__, xdr); | |
3372 | return -EIO; | |
1da177e4 LT |
3373 | } |
3374 | ||
3375 | static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) | |
3376 | { | |
8687b63a | 3377 | __be32 *p; |
409924e4 | 3378 | int ret = 0; |
1da177e4 LT |
3379 | |
3380 | *fileid = 0; | |
3381 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEID - 1U))) | |
3382 | return -EIO; | |
3383 | if (likely(bitmap[0] & FATTR4_WORD0_FILEID)) { | |
c0eae66e BH |
3384 | p = xdr_inline_decode(xdr, 8); |
3385 | if (unlikely(!p)) | |
3386 | goto out_overflow; | |
cccddf4f | 3387 | xdr_decode_hyper(p, fileid); |
1da177e4 | 3388 | bitmap[0] &= ~FATTR4_WORD0_FILEID; |
409924e4 | 3389 | ret = NFS_ATTR_FATTR_FILEID; |
1da177e4 | 3390 | } |
3110ff80 | 3391 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
409924e4 | 3392 | return ret; |
c0eae66e BH |
3393 | out_overflow: |
3394 | print_overflow_msg(__func__, xdr); | |
3395 | return -EIO; | |
1da177e4 LT |
3396 | } |
3397 | ||
99baf625 MN |
3398 | static int decode_attr_mounted_on_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) |
3399 | { | |
8687b63a | 3400 | __be32 *p; |
409924e4 | 3401 | int ret = 0; |
99baf625 MN |
3402 | |
3403 | *fileid = 0; | |
3404 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MOUNTED_ON_FILEID - 1U))) | |
3405 | return -EIO; | |
3406 | if (likely(bitmap[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) { | |
c0eae66e BH |
3407 | p = xdr_inline_decode(xdr, 8); |
3408 | if (unlikely(!p)) | |
3409 | goto out_overflow; | |
cccddf4f | 3410 | xdr_decode_hyper(p, fileid); |
99baf625 | 3411 | bitmap[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID; |
28331a46 | 3412 | ret = NFS_ATTR_FATTR_MOUNTED_ON_FILEID; |
99baf625 | 3413 | } |
3110ff80 | 3414 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
409924e4 | 3415 | return ret; |
c0eae66e BH |
3416 | out_overflow: |
3417 | print_overflow_msg(__func__, xdr); | |
3418 | return -EIO; | |
99baf625 MN |
3419 | } |
3420 | ||
1da177e4 LT |
3421 | static int decode_attr_files_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
3422 | { | |
8687b63a | 3423 | __be32 *p; |
1da177e4 LT |
3424 | int status = 0; |
3425 | ||
3426 | *res = 0; | |
3427 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_AVAIL - 1U))) | |
3428 | return -EIO; | |
3429 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_AVAIL)) { | |
c0eae66e BH |
3430 | p = xdr_inline_decode(xdr, 8); |
3431 | if (unlikely(!p)) | |
3432 | goto out_overflow; | |
cccddf4f | 3433 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3434 | bitmap[0] &= ~FATTR4_WORD0_FILES_AVAIL; |
3435 | } | |
3110ff80 | 3436 | dprintk("%s: files avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3437 | return status; |
c0eae66e BH |
3438 | out_overflow: |
3439 | print_overflow_msg(__func__, xdr); | |
3440 | return -EIO; | |
1da177e4 LT |
3441 | } |
3442 | ||
3443 | static int decode_attr_files_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3444 | { | |
8687b63a | 3445 | __be32 *p; |
1da177e4 LT |
3446 | int status = 0; |
3447 | ||
3448 | *res = 0; | |
3449 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_FREE - 1U))) | |
3450 | return -EIO; | |
3451 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_FREE)) { | |
c0eae66e BH |
3452 | p = xdr_inline_decode(xdr, 8); |
3453 | if (unlikely(!p)) | |
3454 | goto out_overflow; | |
cccddf4f | 3455 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3456 | bitmap[0] &= ~FATTR4_WORD0_FILES_FREE; |
3457 | } | |
3110ff80 | 3458 | dprintk("%s: files free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3459 | return status; |
c0eae66e BH |
3460 | out_overflow: |
3461 | print_overflow_msg(__func__, xdr); | |
3462 | return -EIO; | |
1da177e4 LT |
3463 | } |
3464 | ||
3465 | static int decode_attr_files_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3466 | { | |
8687b63a | 3467 | __be32 *p; |
1da177e4 LT |
3468 | int status = 0; |
3469 | ||
3470 | *res = 0; | |
3471 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_TOTAL - 1U))) | |
3472 | return -EIO; | |
3473 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_TOTAL)) { | |
c0eae66e BH |
3474 | p = xdr_inline_decode(xdr, 8); |
3475 | if (unlikely(!p)) | |
3476 | goto out_overflow; | |
cccddf4f | 3477 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3478 | bitmap[0] &= ~FATTR4_WORD0_FILES_TOTAL; |
3479 | } | |
3110ff80 | 3480 | dprintk("%s: files total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3481 | return status; |
c0eae66e BH |
3482 | out_overflow: |
3483 | print_overflow_msg(__func__, xdr); | |
3484 | return -EIO; | |
1da177e4 LT |
3485 | } |
3486 | ||
7aaa0b3b MN |
3487 | static int decode_pathname(struct xdr_stream *xdr, struct nfs4_pathname *path) |
3488 | { | |
464ad6b1 | 3489 | u32 n; |
8687b63a | 3490 | __be32 *p; |
7aaa0b3b MN |
3491 | int status = 0; |
3492 | ||
c0eae66e BH |
3493 | p = xdr_inline_decode(xdr, 4); |
3494 | if (unlikely(!p)) | |
3495 | goto out_overflow; | |
cccddf4f | 3496 | n = be32_to_cpup(p); |
33a43f28 AA |
3497 | if (n == 0) |
3498 | goto root_path; | |
02a2976c | 3499 | dprintk("pathname4: "); |
7aaa0b3b MN |
3500 | path->ncomponents = 0; |
3501 | while (path->ncomponents < n) { | |
3502 | struct nfs4_string *component = &path->components[path->ncomponents]; | |
3503 | status = decode_opaque_inline(xdr, &component->len, &component->data); | |
3504 | if (unlikely(status != 0)) | |
3505 | goto out_eio; | |
95a13f7b | 3506 | ifdebug (XDR) |
02a2976c CL |
3507 | pr_cont("%s%.*s ", |
3508 | (path->ncomponents != n ? "/ " : ""), | |
3509 | component->len, component->data); | |
7aaa0b3b MN |
3510 | if (path->ncomponents < NFS4_PATHNAME_MAXCOMPONENTS) |
3511 | path->ncomponents++; | |
3512 | else { | |
3513 | dprintk("cannot parse %d components in path\n", n); | |
3514 | goto out_eio; | |
3515 | } | |
3516 | } | |
3517 | out: | |
7aaa0b3b | 3518 | return status; |
33a43f28 AA |
3519 | root_path: |
3520 | /* a root pathname is sent as a zero component4 */ | |
3521 | path->ncomponents = 1; | |
3522 | path->components[0].len=0; | |
3523 | path->components[0].data=NULL; | |
02a2976c | 3524 | dprintk("pathname4: /\n"); |
33a43f28 | 3525 | goto out; |
7aaa0b3b MN |
3526 | out_eio: |
3527 | dprintk(" status %d", status); | |
3528 | status = -EIO; | |
3529 | goto out; | |
c0eae66e BH |
3530 | out_overflow: |
3531 | print_overflow_msg(__func__, xdr); | |
3532 | return -EIO; | |
7aaa0b3b MN |
3533 | } |
3534 | ||
3535 | static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_fs_locations *res) | |
683b57b4 TM |
3536 | { |
3537 | int n; | |
8687b63a | 3538 | __be32 *p; |
683b57b4 TM |
3539 | int status = -EIO; |
3540 | ||
3541 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FS_LOCATIONS -1U))) | |
3542 | goto out; | |
3543 | status = 0; | |
3544 | if (unlikely(!(bitmap[0] & FATTR4_WORD0_FS_LOCATIONS))) | |
3545 | goto out; | |
8b7e3f49 TM |
3546 | status = -EIO; |
3547 | /* Ignore borken servers that return unrequested attrs */ | |
3548 | if (unlikely(res == NULL)) | |
3549 | goto out; | |
02a2976c | 3550 | dprintk("%s: fsroot:\n", __func__); |
7aaa0b3b | 3551 | status = decode_pathname(xdr, &res->fs_path); |
683b57b4 TM |
3552 | if (unlikely(status != 0)) |
3553 | goto out; | |
c0eae66e BH |
3554 | p = xdr_inline_decode(xdr, 4); |
3555 | if (unlikely(!p)) | |
3556 | goto out_overflow; | |
cccddf4f | 3557 | n = be32_to_cpup(p); |
683b57b4 TM |
3558 | if (n <= 0) |
3559 | goto out_eio; | |
3560 | res->nlocations = 0; | |
3561 | while (res->nlocations < n) { | |
464ad6b1 | 3562 | u32 m; |
7aaa0b3b | 3563 | struct nfs4_fs_location *loc = &res->locations[res->nlocations]; |
683b57b4 | 3564 | |
c0eae66e BH |
3565 | p = xdr_inline_decode(xdr, 4); |
3566 | if (unlikely(!p)) | |
3567 | goto out_overflow; | |
cccddf4f | 3568 | m = be32_to_cpup(p); |
7aaa0b3b MN |
3569 | |
3570 | loc->nservers = 0; | |
02a2976c | 3571 | dprintk("%s: servers:\n", __func__); |
7aaa0b3b MN |
3572 | while (loc->nservers < m) { |
3573 | struct nfs4_string *server = &loc->servers[loc->nservers]; | |
3574 | status = decode_opaque_inline(xdr, &server->len, &server->data); | |
3575 | if (unlikely(status != 0)) | |
3576 | goto out_eio; | |
3577 | dprintk("%s ", server->data); | |
3578 | if (loc->nservers < NFS4_FS_LOCATION_MAXSERVERS) | |
3579 | loc->nservers++; | |
3580 | else { | |
464ad6b1 CL |
3581 | unsigned int i; |
3582 | dprintk("%s: using first %u of %u servers " | |
3583 | "returned for location %u\n", | |
3110ff80 | 3584 | __func__, |
464ad6b1 CL |
3585 | NFS4_FS_LOCATION_MAXSERVERS, |
3586 | m, res->nlocations); | |
7aaa0b3b | 3587 | for (i = loc->nservers; i < m; i++) { |
2e42c3e2 | 3588 | unsigned int len; |
7aaa0b3b MN |
3589 | char *data; |
3590 | status = decode_opaque_inline(xdr, &len, &data); | |
3591 | if (unlikely(status != 0)) | |
3592 | goto out_eio; | |
3593 | } | |
3594 | } | |
3595 | } | |
3596 | status = decode_pathname(xdr, &loc->rootpath); | |
683b57b4 TM |
3597 | if (unlikely(status != 0)) |
3598 | goto out_eio; | |
7aaa0b3b | 3599 | if (res->nlocations < NFS4_FS_LOCATIONS_MAXENTRIES) |
683b57b4 TM |
3600 | res->nlocations++; |
3601 | } | |
409924e4 | 3602 | if (res->nlocations != 0) |
81934ddb | 3603 | status = NFS_ATTR_FATTR_V4_LOCATIONS; |
683b57b4 | 3604 | out: |
3110ff80 | 3605 | dprintk("%s: fs_locations done, error = %d\n", __func__, status); |
683b57b4 | 3606 | return status; |
c0eae66e BH |
3607 | out_overflow: |
3608 | print_overflow_msg(__func__, xdr); | |
683b57b4 TM |
3609 | out_eio: |
3610 | status = -EIO; | |
3611 | goto out; | |
3612 | } | |
3613 | ||
1da177e4 LT |
3614 | static int decode_attr_maxfilesize(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
3615 | { | |
8687b63a | 3616 | __be32 *p; |
1da177e4 LT |
3617 | int status = 0; |
3618 | ||
3619 | *res = 0; | |
3620 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXFILESIZE - 1U))) | |
3621 | return -EIO; | |
3622 | if (likely(bitmap[0] & FATTR4_WORD0_MAXFILESIZE)) { | |
c0eae66e BH |
3623 | p = xdr_inline_decode(xdr, 8); |
3624 | if (unlikely(!p)) | |
3625 | goto out_overflow; | |
cccddf4f | 3626 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3627 | bitmap[0] &= ~FATTR4_WORD0_MAXFILESIZE; |
3628 | } | |
3110ff80 | 3629 | dprintk("%s: maxfilesize=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3630 | return status; |
c0eae66e BH |
3631 | out_overflow: |
3632 | print_overflow_msg(__func__, xdr); | |
3633 | return -EIO; | |
1da177e4 LT |
3634 | } |
3635 | ||
3636 | static int decode_attr_maxlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxlink) | |
3637 | { | |
8687b63a | 3638 | __be32 *p; |
1da177e4 LT |
3639 | int status = 0; |
3640 | ||
3641 | *maxlink = 1; | |
3642 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXLINK - 1U))) | |
3643 | return -EIO; | |
3644 | if (likely(bitmap[0] & FATTR4_WORD0_MAXLINK)) { | |
c0eae66e BH |
3645 | p = xdr_inline_decode(xdr, 4); |
3646 | if (unlikely(!p)) | |
3647 | goto out_overflow; | |
cccddf4f | 3648 | *maxlink = be32_to_cpup(p); |
1da177e4 LT |
3649 | bitmap[0] &= ~FATTR4_WORD0_MAXLINK; |
3650 | } | |
3110ff80 | 3651 | dprintk("%s: maxlink=%u\n", __func__, *maxlink); |
1da177e4 | 3652 | return status; |
c0eae66e BH |
3653 | out_overflow: |
3654 | print_overflow_msg(__func__, xdr); | |
3655 | return -EIO; | |
1da177e4 LT |
3656 | } |
3657 | ||
3658 | static int decode_attr_maxname(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxname) | |
3659 | { | |
8687b63a | 3660 | __be32 *p; |
1da177e4 LT |
3661 | int status = 0; |
3662 | ||
3663 | *maxname = 1024; | |
3664 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXNAME - 1U))) | |
3665 | return -EIO; | |
3666 | if (likely(bitmap[0] & FATTR4_WORD0_MAXNAME)) { | |
c0eae66e BH |
3667 | p = xdr_inline_decode(xdr, 4); |
3668 | if (unlikely(!p)) | |
3669 | goto out_overflow; | |
cccddf4f | 3670 | *maxname = be32_to_cpup(p); |
1da177e4 LT |
3671 | bitmap[0] &= ~FATTR4_WORD0_MAXNAME; |
3672 | } | |
3110ff80 | 3673 | dprintk("%s: maxname=%u\n", __func__, *maxname); |
1da177e4 | 3674 | return status; |
c0eae66e BH |
3675 | out_overflow: |
3676 | print_overflow_msg(__func__, xdr); | |
3677 | return -EIO; | |
1da177e4 LT |
3678 | } |
3679 | ||
3680 | static int decode_attr_maxread(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3681 | { | |
8687b63a | 3682 | __be32 *p; |
1da177e4 LT |
3683 | int status = 0; |
3684 | ||
3685 | *res = 1024; | |
3686 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXREAD - 1U))) | |
3687 | return -EIO; | |
3688 | if (likely(bitmap[0] & FATTR4_WORD0_MAXREAD)) { | |
3689 | uint64_t maxread; | |
c0eae66e BH |
3690 | p = xdr_inline_decode(xdr, 8); |
3691 | if (unlikely(!p)) | |
3692 | goto out_overflow; | |
cccddf4f | 3693 | xdr_decode_hyper(p, &maxread); |
1da177e4 LT |
3694 | if (maxread > 0x7FFFFFFF) |
3695 | maxread = 0x7FFFFFFF; | |
3696 | *res = (uint32_t)maxread; | |
3697 | bitmap[0] &= ~FATTR4_WORD0_MAXREAD; | |
3698 | } | |
3110ff80 | 3699 | dprintk("%s: maxread=%lu\n", __func__, (unsigned long)*res); |
1da177e4 | 3700 | return status; |
c0eae66e BH |
3701 | out_overflow: |
3702 | print_overflow_msg(__func__, xdr); | |
3703 | return -EIO; | |
1da177e4 LT |
3704 | } |
3705 | ||
3706 | static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3707 | { | |
8687b63a | 3708 | __be32 *p; |
1da177e4 LT |
3709 | int status = 0; |
3710 | ||
3711 | *res = 1024; | |
3712 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXWRITE - 1U))) | |
3713 | return -EIO; | |
3714 | if (likely(bitmap[0] & FATTR4_WORD0_MAXWRITE)) { | |
3715 | uint64_t maxwrite; | |
c0eae66e BH |
3716 | p = xdr_inline_decode(xdr, 8); |
3717 | if (unlikely(!p)) | |
3718 | goto out_overflow; | |
cccddf4f | 3719 | xdr_decode_hyper(p, &maxwrite); |
1da177e4 LT |
3720 | if (maxwrite > 0x7FFFFFFF) |
3721 | maxwrite = 0x7FFFFFFF; | |
3722 | *res = (uint32_t)maxwrite; | |
3723 | bitmap[0] &= ~FATTR4_WORD0_MAXWRITE; | |
3724 | } | |
3110ff80 | 3725 | dprintk("%s: maxwrite=%lu\n", __func__, (unsigned long)*res); |
1da177e4 | 3726 | return status; |
c0eae66e BH |
3727 | out_overflow: |
3728 | print_overflow_msg(__func__, xdr); | |
3729 | return -EIO; | |
1da177e4 LT |
3730 | } |
3731 | ||
bca79478 | 3732 | static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, umode_t *mode) |
1da177e4 | 3733 | { |
bca79478 | 3734 | uint32_t tmp; |
8687b63a | 3735 | __be32 *p; |
409924e4 | 3736 | int ret = 0; |
1da177e4 LT |
3737 | |
3738 | *mode = 0; | |
3739 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MODE - 1U))) | |
3740 | return -EIO; | |
3741 | if (likely(bitmap[1] & FATTR4_WORD1_MODE)) { | |
c0eae66e BH |
3742 | p = xdr_inline_decode(xdr, 4); |
3743 | if (unlikely(!p)) | |
3744 | goto out_overflow; | |
cccddf4f | 3745 | tmp = be32_to_cpup(p); |
bca79478 | 3746 | *mode = tmp & ~S_IFMT; |
1da177e4 | 3747 | bitmap[1] &= ~FATTR4_WORD1_MODE; |
409924e4 | 3748 | ret = NFS_ATTR_FATTR_MODE; |
1da177e4 | 3749 | } |
3110ff80 | 3750 | dprintk("%s: file mode=0%o\n", __func__, (unsigned int)*mode); |
409924e4 | 3751 | return ret; |
c0eae66e BH |
3752 | out_overflow: |
3753 | print_overflow_msg(__func__, xdr); | |
3754 | return -EIO; | |
1da177e4 LT |
3755 | } |
3756 | ||
3757 | static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *nlink) | |
3758 | { | |
8687b63a | 3759 | __be32 *p; |
409924e4 | 3760 | int ret = 0; |
1da177e4 LT |
3761 | |
3762 | *nlink = 1; | |
3763 | if (unlikely(bitmap[1] & (FATTR4_WORD1_NUMLINKS - 1U))) | |
3764 | return -EIO; | |
3765 | if (likely(bitmap[1] & FATTR4_WORD1_NUMLINKS)) { | |
c0eae66e BH |
3766 | p = xdr_inline_decode(xdr, 4); |
3767 | if (unlikely(!p)) | |
3768 | goto out_overflow; | |
cccddf4f | 3769 | *nlink = be32_to_cpup(p); |
1da177e4 | 3770 | bitmap[1] &= ~FATTR4_WORD1_NUMLINKS; |
409924e4 | 3771 | ret = NFS_ATTR_FATTR_NLINK; |
1da177e4 | 3772 | } |
3110ff80 | 3773 | dprintk("%s: nlink=%u\n", __func__, (unsigned int)*nlink); |
409924e4 | 3774 | return ret; |
c0eae66e BH |
3775 | out_overflow: |
3776 | print_overflow_msg(__func__, xdr); | |
3777 | return -EIO; | |
1da177e4 LT |
3778 | } |
3779 | ||
80e52ace | 3780 | static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, |
6926afd1 TM |
3781 | const struct nfs_server *server, uint32_t *uid, |
3782 | struct nfs4_string *owner_name) | |
1da177e4 | 3783 | { |
8687b63a AV |
3784 | uint32_t len; |
3785 | __be32 *p; | |
409924e4 | 3786 | int ret = 0; |
1da177e4 LT |
3787 | |
3788 | *uid = -2; | |
3789 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER - 1U))) | |
3790 | return -EIO; | |
3791 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER)) { | |
c0eae66e BH |
3792 | p = xdr_inline_decode(xdr, 4); |
3793 | if (unlikely(!p)) | |
3794 | goto out_overflow; | |
cccddf4f | 3795 | len = be32_to_cpup(p); |
c0eae66e BH |
3796 | p = xdr_inline_decode(xdr, len); |
3797 | if (unlikely(!p)) | |
3798 | goto out_overflow; | |
6926afd1 TM |
3799 | if (owner_name != NULL) { |
3800 | owner_name->data = kmemdup(p, len, GFP_NOWAIT); | |
3801 | if (owner_name->data != NULL) { | |
3802 | owner_name->len = len; | |
3803 | ret = NFS_ATTR_FATTR_OWNER_NAME; | |
3804 | } | |
80e52ace | 3805 | } else if (len < XDR_MAX_NETOBJ) { |
e4fd72a1 | 3806 | if (nfs_map_name_to_uid(server, (char *)p, len, uid) == 0) |
409924e4 TM |
3807 | ret = NFS_ATTR_FATTR_OWNER; |
3808 | else | |
1da177e4 | 3809 | dprintk("%s: nfs_map_name_to_uid failed!\n", |
3110ff80 | 3810 | __func__); |
1da177e4 | 3811 | } else |
fe82a183 | 3812 | dprintk("%s: name too long (%u)!\n", |
3110ff80 | 3813 | __func__, len); |
1da177e4 LT |
3814 | bitmap[1] &= ~FATTR4_WORD1_OWNER; |
3815 | } | |
3110ff80 | 3816 | dprintk("%s: uid=%d\n", __func__, (int)*uid); |
409924e4 | 3817 | return ret; |
c0eae66e BH |
3818 | out_overflow: |
3819 | print_overflow_msg(__func__, xdr); | |
3820 | return -EIO; | |
1da177e4 LT |
3821 | } |
3822 | ||
80e52ace | 3823 | static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, |
6926afd1 TM |
3824 | const struct nfs_server *server, uint32_t *gid, |
3825 | struct nfs4_string *group_name) | |
1da177e4 | 3826 | { |
8687b63a AV |
3827 | uint32_t len; |
3828 | __be32 *p; | |
409924e4 | 3829 | int ret = 0; |
1da177e4 LT |
3830 | |
3831 | *gid = -2; | |
3832 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER_GROUP - 1U))) | |
3833 | return -EIO; | |
3834 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER_GROUP)) { | |
c0eae66e BH |
3835 | p = xdr_inline_decode(xdr, 4); |
3836 | if (unlikely(!p)) | |
3837 | goto out_overflow; | |
cccddf4f | 3838 | len = be32_to_cpup(p); |
c0eae66e BH |
3839 | p = xdr_inline_decode(xdr, len); |
3840 | if (unlikely(!p)) | |
3841 | goto out_overflow; | |
6926afd1 TM |
3842 | if (group_name != NULL) { |
3843 | group_name->data = kmemdup(p, len, GFP_NOWAIT); | |
3844 | if (group_name->data != NULL) { | |
3845 | group_name->len = len; | |
3846 | ret = NFS_ATTR_FATTR_GROUP_NAME; | |
3847 | } | |
80e52ace | 3848 | } else if (len < XDR_MAX_NETOBJ) { |
e4fd72a1 | 3849 | if (nfs_map_group_to_gid(server, (char *)p, len, gid) == 0) |
409924e4 TM |
3850 | ret = NFS_ATTR_FATTR_GROUP; |
3851 | else | |
1da177e4 | 3852 | dprintk("%s: nfs_map_group_to_gid failed!\n", |
3110ff80 | 3853 | __func__); |
1da177e4 | 3854 | } else |
fe82a183 | 3855 | dprintk("%s: name too long (%u)!\n", |
3110ff80 | 3856 | __func__, len); |
1da177e4 LT |
3857 | bitmap[1] &= ~FATTR4_WORD1_OWNER_GROUP; |
3858 | } | |
3110ff80 | 3859 | dprintk("%s: gid=%d\n", __func__, (int)*gid); |
409924e4 | 3860 | return ret; |
c0eae66e BH |
3861 | out_overflow: |
3862 | print_overflow_msg(__func__, xdr); | |
3863 | return -EIO; | |
1da177e4 LT |
3864 | } |
3865 | ||
3866 | static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rdev) | |
3867 | { | |
8687b63a AV |
3868 | uint32_t major = 0, minor = 0; |
3869 | __be32 *p; | |
409924e4 | 3870 | int ret = 0; |
1da177e4 LT |
3871 | |
3872 | *rdev = MKDEV(0,0); | |
3873 | if (unlikely(bitmap[1] & (FATTR4_WORD1_RAWDEV - 1U))) | |
3874 | return -EIO; | |
3875 | if (likely(bitmap[1] & FATTR4_WORD1_RAWDEV)) { | |
3876 | dev_t tmp; | |
3877 | ||
c0eae66e BH |
3878 | p = xdr_inline_decode(xdr, 8); |
3879 | if (unlikely(!p)) | |
3880 | goto out_overflow; | |
6f723f77 | 3881 | major = be32_to_cpup(p++); |
cccddf4f | 3882 | minor = be32_to_cpup(p); |
1da177e4 LT |
3883 | tmp = MKDEV(major, minor); |
3884 | if (MAJOR(tmp) == major && MINOR(tmp) == minor) | |
3885 | *rdev = tmp; | |
3886 | bitmap[1] &= ~ FATTR4_WORD1_RAWDEV; | |
409924e4 | 3887 | ret = NFS_ATTR_FATTR_RDEV; |
1da177e4 | 3888 | } |
3110ff80 | 3889 | dprintk("%s: rdev=(0x%x:0x%x)\n", __func__, major, minor); |
409924e4 | 3890 | return ret; |
c0eae66e BH |
3891 | out_overflow: |
3892 | print_overflow_msg(__func__, xdr); | |
3893 | return -EIO; | |
1da177e4 LT |
3894 | } |
3895 | ||
3896 | static int decode_attr_space_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3897 | { | |
8687b63a | 3898 | __be32 *p; |
1da177e4 LT |
3899 | int status = 0; |
3900 | ||
3901 | *res = 0; | |
3902 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_AVAIL - 1U))) | |
3903 | return -EIO; | |
3904 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_AVAIL)) { | |
c0eae66e BH |
3905 | p = xdr_inline_decode(xdr, 8); |
3906 | if (unlikely(!p)) | |
3907 | goto out_overflow; | |
cccddf4f | 3908 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3909 | bitmap[1] &= ~FATTR4_WORD1_SPACE_AVAIL; |
3910 | } | |
3110ff80 | 3911 | dprintk("%s: space avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3912 | return status; |
c0eae66e BH |
3913 | out_overflow: |
3914 | print_overflow_msg(__func__, xdr); | |
3915 | return -EIO; | |
1da177e4 LT |
3916 | } |
3917 | ||
3918 | static int decode_attr_space_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3919 | { | |
8687b63a | 3920 | __be32 *p; |
1da177e4 LT |
3921 | int status = 0; |
3922 | ||
3923 | *res = 0; | |
3924 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_FREE - 1U))) | |
3925 | return -EIO; | |
3926 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_FREE)) { | |
c0eae66e BH |
3927 | p = xdr_inline_decode(xdr, 8); |
3928 | if (unlikely(!p)) | |
3929 | goto out_overflow; | |
cccddf4f | 3930 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3931 | bitmap[1] &= ~FATTR4_WORD1_SPACE_FREE; |
3932 | } | |
3110ff80 | 3933 | dprintk("%s: space free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3934 | return status; |
c0eae66e BH |
3935 | out_overflow: |
3936 | print_overflow_msg(__func__, xdr); | |
3937 | return -EIO; | |
1da177e4 LT |
3938 | } |
3939 | ||
3940 | static int decode_attr_space_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3941 | { | |
8687b63a | 3942 | __be32 *p; |
1da177e4 LT |
3943 | int status = 0; |
3944 | ||
3945 | *res = 0; | |
3946 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_TOTAL - 1U))) | |
3947 | return -EIO; | |
3948 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_TOTAL)) { | |
c0eae66e BH |
3949 | p = xdr_inline_decode(xdr, 8); |
3950 | if (unlikely(!p)) | |
3951 | goto out_overflow; | |
cccddf4f | 3952 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3953 | bitmap[1] &= ~FATTR4_WORD1_SPACE_TOTAL; |
3954 | } | |
3110ff80 | 3955 | dprintk("%s: space total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3956 | return status; |
c0eae66e BH |
3957 | out_overflow: |
3958 | print_overflow_msg(__func__, xdr); | |
3959 | return -EIO; | |
1da177e4 LT |
3960 | } |
3961 | ||
3962 | static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *used) | |
3963 | { | |
8687b63a | 3964 | __be32 *p; |
409924e4 | 3965 | int ret = 0; |
1da177e4 LT |
3966 | |
3967 | *used = 0; | |
3968 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_USED - 1U))) | |
3969 | return -EIO; | |
3970 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_USED)) { | |
c0eae66e BH |
3971 | p = xdr_inline_decode(xdr, 8); |
3972 | if (unlikely(!p)) | |
3973 | goto out_overflow; | |
cccddf4f | 3974 | xdr_decode_hyper(p, used); |
1da177e4 | 3975 | bitmap[1] &= ~FATTR4_WORD1_SPACE_USED; |
409924e4 | 3976 | ret = NFS_ATTR_FATTR_SPACE_USED; |
1da177e4 | 3977 | } |
3110ff80 | 3978 | dprintk("%s: space used=%Lu\n", __func__, |
1da177e4 | 3979 | (unsigned long long)*used); |
409924e4 | 3980 | return ret; |
c0eae66e BH |
3981 | out_overflow: |
3982 | print_overflow_msg(__func__, xdr); | |
3983 | return -EIO; | |
1da177e4 LT |
3984 | } |
3985 | ||
3986 | static int decode_attr_time(struct xdr_stream *xdr, struct timespec *time) | |
3987 | { | |
8687b63a | 3988 | __be32 *p; |
1da177e4 LT |
3989 | uint64_t sec; |
3990 | uint32_t nsec; | |
3991 | ||
c0eae66e BH |
3992 | p = xdr_inline_decode(xdr, 12); |
3993 | if (unlikely(!p)) | |
3994 | goto out_overflow; | |
3ceb4dbb | 3995 | p = xdr_decode_hyper(p, &sec); |
cccddf4f | 3996 | nsec = be32_to_cpup(p); |
1da177e4 LT |
3997 | time->tv_sec = (time_t)sec; |
3998 | time->tv_nsec = (long)nsec; | |
3999 | return 0; | |
c0eae66e BH |
4000 | out_overflow: |
4001 | print_overflow_msg(__func__, xdr); | |
4002 | return -EIO; | |
1da177e4 LT |
4003 | } |
4004 | ||
4005 | static int decode_attr_time_access(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
4006 | { | |
4007 | int status = 0; | |
4008 | ||
4009 | time->tv_sec = 0; | |
4010 | time->tv_nsec = 0; | |
4011 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_ACCESS - 1U))) | |
4012 | return -EIO; | |
4013 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_ACCESS)) { | |
4014 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4015 | if (status == 0) |
4016 | status = NFS_ATTR_FATTR_ATIME; | |
1da177e4 LT |
4017 | bitmap[1] &= ~FATTR4_WORD1_TIME_ACCESS; |
4018 | } | |
3110ff80 | 4019 | dprintk("%s: atime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
4020 | return status; |
4021 | } | |
4022 | ||
4023 | static int decode_attr_time_metadata(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
4024 | { | |
4025 | int status = 0; | |
4026 | ||
4027 | time->tv_sec = 0; | |
4028 | time->tv_nsec = 0; | |
4029 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_METADATA - 1U))) | |
4030 | return -EIO; | |
4031 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_METADATA)) { | |
4032 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4033 | if (status == 0) |
4034 | status = NFS_ATTR_FATTR_CTIME; | |
1da177e4 LT |
4035 | bitmap[1] &= ~FATTR4_WORD1_TIME_METADATA; |
4036 | } | |
3110ff80 | 4037 | dprintk("%s: ctime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
4038 | return status; |
4039 | } | |
4040 | ||
55b6e774 RL |
4041 | static int decode_attr_time_delta(struct xdr_stream *xdr, uint32_t *bitmap, |
4042 | struct timespec *time) | |
4043 | { | |
4044 | int status = 0; | |
4045 | ||
4046 | time->tv_sec = 0; | |
4047 | time->tv_nsec = 0; | |
4048 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_DELTA - 1U))) | |
4049 | return -EIO; | |
4050 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_DELTA)) { | |
4051 | status = decode_attr_time(xdr, time); | |
4052 | bitmap[1] &= ~FATTR4_WORD1_TIME_DELTA; | |
4053 | } | |
4054 | dprintk("%s: time_delta=%ld %ld\n", __func__, (long)time->tv_sec, | |
4055 | (long)time->tv_nsec); | |
4056 | return status; | |
4057 | } | |
4058 | ||
1da177e4 LT |
4059 | static int decode_attr_time_modify(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) |
4060 | { | |
4061 | int status = 0; | |
4062 | ||
4063 | time->tv_sec = 0; | |
4064 | time->tv_nsec = 0; | |
4065 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_MODIFY - 1U))) | |
4066 | return -EIO; | |
4067 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_MODIFY)) { | |
4068 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4069 | if (status == 0) |
4070 | status = NFS_ATTR_FATTR_MTIME; | |
1da177e4 LT |
4071 | bitmap[1] &= ~FATTR4_WORD1_TIME_MODIFY; |
4072 | } | |
3110ff80 | 4073 | dprintk("%s: mtime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
4074 | return status; |
4075 | } | |
4076 | ||
256e48bb | 4077 | static int verify_attr_len(struct xdr_stream *xdr, unsigned int savep, uint32_t attrlen) |
1da177e4 LT |
4078 | { |
4079 | unsigned int attrwords = XDR_QUADLEN(attrlen); | |
256e48bb | 4080 | unsigned int nwords = (xdr_stream_pos(xdr) - savep) >> 2; |
1da177e4 LT |
4081 | |
4082 | if (unlikely(attrwords != nwords)) { | |
fe82a183 CL |
4083 | dprintk("%s: server returned incorrect attribute length: " |
4084 | "%u %c %u\n", | |
3110ff80 | 4085 | __func__, |
1da177e4 LT |
4086 | attrwords << 2, |
4087 | (attrwords < nwords) ? '<' : '>', | |
4088 | nwords << 2); | |
4089 | return -EIO; | |
4090 | } | |
4091 | return 0; | |
4092 | } | |
4093 | ||
4094 | static int decode_change_info(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4095 | { | |
8687b63a | 4096 | __be32 *p; |
1da177e4 | 4097 | |
c0eae66e BH |
4098 | p = xdr_inline_decode(xdr, 20); |
4099 | if (unlikely(!p)) | |
4100 | goto out_overflow; | |
6f723f77 | 4101 | cinfo->atomic = be32_to_cpup(p++); |
3ceb4dbb | 4102 | p = xdr_decode_hyper(p, &cinfo->before); |
cccddf4f | 4103 | xdr_decode_hyper(p, &cinfo->after); |
1da177e4 | 4104 | return 0; |
c0eae66e BH |
4105 | out_overflow: |
4106 | print_overflow_msg(__func__, xdr); | |
4107 | return -EIO; | |
1da177e4 LT |
4108 | } |
4109 | ||
6168f62c | 4110 | static int decode_access(struct xdr_stream *xdr, u32 *supported, u32 *access) |
1da177e4 | 4111 | { |
8687b63a | 4112 | __be32 *p; |
1da177e4 LT |
4113 | uint32_t supp, acc; |
4114 | int status; | |
4115 | ||
4116 | status = decode_op_hdr(xdr, OP_ACCESS); | |
4117 | if (status) | |
4118 | return status; | |
c0eae66e BH |
4119 | p = xdr_inline_decode(xdr, 8); |
4120 | if (unlikely(!p)) | |
4121 | goto out_overflow; | |
6f723f77 | 4122 | supp = be32_to_cpup(p++); |
cccddf4f | 4123 | acc = be32_to_cpup(p); |
6168f62c WAA |
4124 | *supported = supp; |
4125 | *access = acc; | |
1da177e4 | 4126 | return 0; |
c0eae66e BH |
4127 | out_overflow: |
4128 | print_overflow_msg(__func__, xdr); | |
4129 | return -EIO; | |
1da177e4 LT |
4130 | } |
4131 | ||
07d30434 | 4132 | static int decode_opaque_fixed(struct xdr_stream *xdr, void *buf, size_t len) |
1da177e4 | 4133 | { |
8687b63a | 4134 | __be32 *p; |
07d30434 BH |
4135 | |
4136 | p = xdr_inline_decode(xdr, len); | |
4137 | if (likely(p)) { | |
4138 | memcpy(buf, p, len); | |
4139 | return 0; | |
4140 | } | |
4141 | print_overflow_msg(__func__, xdr); | |
4142 | return -EIO; | |
4143 | } | |
4144 | ||
4145 | static int decode_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) | |
4146 | { | |
2d2f24ad | 4147 | return decode_opaque_fixed(xdr, stateid, NFS4_STATEID_SIZE); |
07d30434 BH |
4148 | } |
4149 | ||
4150 | static int decode_close(struct xdr_stream *xdr, struct nfs_closeres *res) | |
4151 | { | |
1da177e4 LT |
4152 | int status; |
4153 | ||
4154 | status = decode_op_hdr(xdr, OP_CLOSE); | |
c1d51931 TM |
4155 | if (status != -EIO) |
4156 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4157 | if (!status) |
4158 | status = decode_stateid(xdr, &res->stateid); | |
4159 | return status; | |
1da177e4 LT |
4160 | } |
4161 | ||
db942bbd BH |
4162 | static int decode_verifier(struct xdr_stream *xdr, void *verifier) |
4163 | { | |
cd93710e | 4164 | return decode_opaque_fixed(xdr, verifier, NFS4_VERIFIER_SIZE); |
1da177e4 LT |
4165 | } |
4166 | ||
2f2c63bc TM |
4167 | static int decode_write_verifier(struct xdr_stream *xdr, struct nfs_write_verifier *verifier) |
4168 | { | |
4169 | return decode_opaque_fixed(xdr, verifier->data, NFS4_VERIFIER_SIZE); | |
4170 | } | |
4171 | ||
0b7c0153 | 4172 | static int decode_commit(struct xdr_stream *xdr, struct nfs_commitres *res) |
1da177e4 | 4173 | { |
1da177e4 LT |
4174 | int status; |
4175 | ||
4176 | status = decode_op_hdr(xdr, OP_COMMIT); | |
db942bbd | 4177 | if (!status) |
2f2c63bc | 4178 | status = decode_write_verifier(xdr, &res->verf->verifier); |
db942bbd | 4179 | return status; |
1da177e4 LT |
4180 | } |
4181 | ||
4182 | static int decode_create(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4183 | { | |
8687b63a | 4184 | __be32 *p; |
1da177e4 LT |
4185 | uint32_t bmlen; |
4186 | int status; | |
4187 | ||
4188 | status = decode_op_hdr(xdr, OP_CREATE); | |
4189 | if (status) | |
4190 | return status; | |
4191 | if ((status = decode_change_info(xdr, cinfo))) | |
4192 | return status; | |
c0eae66e BH |
4193 | p = xdr_inline_decode(xdr, 4); |
4194 | if (unlikely(!p)) | |
4195 | goto out_overflow; | |
cccddf4f | 4196 | bmlen = be32_to_cpup(p); |
c0eae66e BH |
4197 | p = xdr_inline_decode(xdr, bmlen << 2); |
4198 | if (likely(p)) | |
4199 | return 0; | |
4200 | out_overflow: | |
4201 | print_overflow_msg(__func__, xdr); | |
4202 | return -EIO; | |
1da177e4 LT |
4203 | } |
4204 | ||
4205 | static int decode_server_caps(struct xdr_stream *xdr, struct nfs4_server_caps_res *res) | |
4206 | { | |
256e48bb | 4207 | unsigned int savep; |
dae100c2 | 4208 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 LT |
4209 | int status; |
4210 | ||
4211 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
4212 | goto xdr_error; | |
4213 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4214 | goto xdr_error; | |
4215 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4216 | goto xdr_error; | |
4217 | if ((status = decode_attr_supported(xdr, bitmap, res->attr_bitmask)) != 0) | |
4218 | goto xdr_error; | |
264e6351 CL |
4219 | if ((status = decode_attr_fh_expire_type(xdr, bitmap, |
4220 | &res->fh_expire_type)) != 0) | |
4221 | goto xdr_error; | |
1da177e4 LT |
4222 | if ((status = decode_attr_link_support(xdr, bitmap, &res->has_links)) != 0) |
4223 | goto xdr_error; | |
4224 | if ((status = decode_attr_symlink_support(xdr, bitmap, &res->has_symlinks)) != 0) | |
4225 | goto xdr_error; | |
4226 | if ((status = decode_attr_aclsupport(xdr, bitmap, &res->acl_bitmask)) != 0) | |
4227 | goto xdr_error; | |
4228 | status = verify_attr_len(xdr, savep, attrlen); | |
4229 | xdr_error: | |
3110ff80 | 4230 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4231 | return status; |
4232 | } | |
6c0195a4 | 4233 | |
1da177e4 LT |
4234 | static int decode_statfs(struct xdr_stream *xdr, struct nfs_fsstat *fsstat) |
4235 | { | |
256e48bb | 4236 | unsigned int savep; |
dae100c2 | 4237 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 | 4238 | int status; |
6c0195a4 | 4239 | |
1da177e4 LT |
4240 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
4241 | goto xdr_error; | |
4242 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4243 | goto xdr_error; | |
4244 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4245 | goto xdr_error; | |
4246 | ||
4247 | if ((status = decode_attr_files_avail(xdr, bitmap, &fsstat->afiles)) != 0) | |
4248 | goto xdr_error; | |
4249 | if ((status = decode_attr_files_free(xdr, bitmap, &fsstat->ffiles)) != 0) | |
4250 | goto xdr_error; | |
4251 | if ((status = decode_attr_files_total(xdr, bitmap, &fsstat->tfiles)) != 0) | |
4252 | goto xdr_error; | |
4253 | if ((status = decode_attr_space_avail(xdr, bitmap, &fsstat->abytes)) != 0) | |
4254 | goto xdr_error; | |
4255 | if ((status = decode_attr_space_free(xdr, bitmap, &fsstat->fbytes)) != 0) | |
4256 | goto xdr_error; | |
4257 | if ((status = decode_attr_space_total(xdr, bitmap, &fsstat->tbytes)) != 0) | |
4258 | goto xdr_error; | |
4259 | ||
4260 | status = verify_attr_len(xdr, savep, attrlen); | |
4261 | xdr_error: | |
3110ff80 | 4262 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4263 | return status; |
4264 | } | |
4265 | ||
4266 | static int decode_pathconf(struct xdr_stream *xdr, struct nfs_pathconf *pathconf) | |
4267 | { | |
256e48bb | 4268 | unsigned int savep; |
dae100c2 | 4269 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 | 4270 | int status; |
6c0195a4 | 4271 | |
1da177e4 LT |
4272 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
4273 | goto xdr_error; | |
4274 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4275 | goto xdr_error; | |
4276 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4277 | goto xdr_error; | |
4278 | ||
4279 | if ((status = decode_attr_maxlink(xdr, bitmap, &pathconf->max_link)) != 0) | |
4280 | goto xdr_error; | |
4281 | if ((status = decode_attr_maxname(xdr, bitmap, &pathconf->max_namelen)) != 0) | |
4282 | goto xdr_error; | |
4283 | ||
4284 | status = verify_attr_len(xdr, savep, attrlen); | |
4285 | xdr_error: | |
3110ff80 | 4286 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4287 | return status; |
4288 | } | |
4289 | ||
88034c3d AA |
4290 | static int decode_threshold_hint(struct xdr_stream *xdr, |
4291 | uint32_t *bitmap, | |
4292 | uint64_t *res, | |
4293 | uint32_t hint_bit) | |
4294 | { | |
4295 | __be32 *p; | |
4296 | ||
4297 | *res = 0; | |
4298 | if (likely(bitmap[0] & hint_bit)) { | |
4299 | p = xdr_inline_decode(xdr, 8); | |
4300 | if (unlikely(!p)) | |
4301 | goto out_overflow; | |
4302 | xdr_decode_hyper(p, res); | |
4303 | } | |
4304 | return 0; | |
4305 | out_overflow: | |
4306 | print_overflow_msg(__func__, xdr); | |
4307 | return -EIO; | |
4308 | } | |
4309 | ||
4310 | static int decode_first_threshold_item4(struct xdr_stream *xdr, | |
4311 | struct nfs4_threshold *res) | |
4312 | { | |
256e48bb TM |
4313 | __be32 *p; |
4314 | unsigned int savep; | |
88034c3d AA |
4315 | uint32_t bitmap[3] = {0,}, attrlen; |
4316 | int status; | |
4317 | ||
4318 | /* layout type */ | |
4319 | p = xdr_inline_decode(xdr, 4); | |
4320 | if (unlikely(!p)) { | |
4321 | print_overflow_msg(__func__, xdr); | |
4322 | return -EIO; | |
4323 | } | |
4324 | res->l_type = be32_to_cpup(p); | |
4325 | ||
4326 | /* thi_hintset bitmap */ | |
4327 | status = decode_attr_bitmap(xdr, bitmap); | |
4328 | if (status < 0) | |
4329 | goto xdr_error; | |
4330 | ||
4331 | /* thi_hintlist length */ | |
4332 | status = decode_attr_length(xdr, &attrlen, &savep); | |
4333 | if (status < 0) | |
4334 | goto xdr_error; | |
4335 | /* thi_hintlist */ | |
4336 | status = decode_threshold_hint(xdr, bitmap, &res->rd_sz, THRESHOLD_RD); | |
4337 | if (status < 0) | |
4338 | goto xdr_error; | |
4339 | status = decode_threshold_hint(xdr, bitmap, &res->wr_sz, THRESHOLD_WR); | |
4340 | if (status < 0) | |
4341 | goto xdr_error; | |
4342 | status = decode_threshold_hint(xdr, bitmap, &res->rd_io_sz, | |
4343 | THRESHOLD_RD_IO); | |
4344 | if (status < 0) | |
4345 | goto xdr_error; | |
4346 | status = decode_threshold_hint(xdr, bitmap, &res->wr_io_sz, | |
4347 | THRESHOLD_WR_IO); | |
4348 | if (status < 0) | |
4349 | goto xdr_error; | |
4350 | ||
4351 | status = verify_attr_len(xdr, savep, attrlen); | |
4352 | res->bm = bitmap[0]; | |
4353 | ||
4354 | dprintk("%s bm=0x%x rd_sz=%llu wr_sz=%llu rd_io=%llu wr_io=%llu\n", | |
4355 | __func__, res->bm, res->rd_sz, res->wr_sz, res->rd_io_sz, | |
4356 | res->wr_io_sz); | |
4357 | xdr_error: | |
4358 | dprintk("%s ret=%d!\n", __func__, status); | |
4359 | return status; | |
4360 | } | |
4361 | ||
4362 | /* | |
4363 | * Thresholds on pNFS direct I/O vrs MDS I/O | |
4364 | */ | |
4365 | static int decode_attr_mdsthreshold(struct xdr_stream *xdr, | |
4366 | uint32_t *bitmap, | |
4367 | struct nfs4_threshold *res) | |
4368 | { | |
4369 | __be32 *p; | |
4370 | int status = 0; | |
4371 | uint32_t num; | |
4372 | ||
4373 | if (unlikely(bitmap[2] & (FATTR4_WORD2_MDSTHRESHOLD - 1U))) | |
4374 | return -EIO; | |
029c5347 | 4375 | if (bitmap[2] & FATTR4_WORD2_MDSTHRESHOLD) { |
1549210f TM |
4376 | /* Did the server return an unrequested attribute? */ |
4377 | if (unlikely(res == NULL)) | |
4378 | return -EREMOTEIO; | |
88034c3d AA |
4379 | p = xdr_inline_decode(xdr, 4); |
4380 | if (unlikely(!p)) | |
4381 | goto out_overflow; | |
4382 | num = be32_to_cpup(p); | |
4383 | if (num == 0) | |
4384 | return 0; | |
4385 | if (num > 1) | |
4386 | printk(KERN_INFO "%s: Warning: Multiple pNFS layout " | |
4387 | "drivers per filesystem not supported\n", | |
4388 | __func__); | |
4389 | ||
4390 | status = decode_first_threshold_item4(xdr, res); | |
029c5347 | 4391 | bitmap[2] &= ~FATTR4_WORD2_MDSTHRESHOLD; |
88034c3d AA |
4392 | } |
4393 | return status; | |
4394 | out_overflow: | |
4395 | print_overflow_msg(__func__, xdr); | |
4396 | return -EIO; | |
4397 | } | |
4398 | ||
ae42c70a BS |
4399 | static int decode_getfattr_attrs(struct xdr_stream *xdr, uint32_t *bitmap, |
4400 | struct nfs_fattr *fattr, struct nfs_fh *fh, | |
8b7e3f49 | 4401 | struct nfs4_fs_locations *fs_loc, |
6926afd1 | 4402 | const struct nfs_server *server) |
1da177e4 | 4403 | { |
bca79478 TM |
4404 | int status; |
4405 | umode_t fmode = 0; | |
ae42c70a | 4406 | uint32_t type; |
ee7b75fc | 4407 | int32_t err; |
1da177e4 | 4408 | |
f26c7a78 TM |
4409 | status = decode_attr_type(xdr, bitmap, &type); |
4410 | if (status < 0) | |
1da177e4 | 4411 | goto xdr_error; |
409924e4 TM |
4412 | fattr->mode = 0; |
4413 | if (status != 0) { | |
4414 | fattr->mode |= nfs_type2fmt[type]; | |
4415 | fattr->valid |= status; | |
4416 | } | |
1da177e4 | 4417 | |
f26c7a78 TM |
4418 | status = decode_attr_change(xdr, bitmap, &fattr->change_attr); |
4419 | if (status < 0) | |
1da177e4 | 4420 | goto xdr_error; |
409924e4 | 4421 | fattr->valid |= status; |
f26c7a78 TM |
4422 | |
4423 | status = decode_attr_size(xdr, bitmap, &fattr->size); | |
4424 | if (status < 0) | |
1da177e4 | 4425 | goto xdr_error; |
409924e4 | 4426 | fattr->valid |= status; |
f26c7a78 TM |
4427 | |
4428 | status = decode_attr_fsid(xdr, bitmap, &fattr->fsid); | |
4429 | if (status < 0) | |
1da177e4 | 4430 | goto xdr_error; |
409924e4 | 4431 | fattr->valid |= status; |
f26c7a78 | 4432 | |
ee7b75fc TM |
4433 | err = 0; |
4434 | status = decode_attr_error(xdr, bitmap, &err); | |
ae42c70a BS |
4435 | if (status < 0) |
4436 | goto xdr_error; | |
4437 | ||
4438 | status = decode_attr_filehandle(xdr, bitmap, fh); | |
4439 | if (status < 0) | |
4440 | goto xdr_error; | |
4441 | ||
f26c7a78 TM |
4442 | status = decode_attr_fileid(xdr, bitmap, &fattr->fileid); |
4443 | if (status < 0) | |
1da177e4 | 4444 | goto xdr_error; |
409924e4 | 4445 | fattr->valid |= status; |
f26c7a78 | 4446 | |
8b7e3f49 | 4447 | status = decode_attr_fs_locations(xdr, bitmap, fs_loc); |
f26c7a78 | 4448 | if (status < 0) |
683b57b4 | 4449 | goto xdr_error; |
409924e4 | 4450 | fattr->valid |= status; |
f26c7a78 TM |
4451 | |
4452 | status = decode_attr_mode(xdr, bitmap, &fmode); | |
4453 | if (status < 0) | |
1da177e4 | 4454 | goto xdr_error; |
409924e4 TM |
4455 | if (status != 0) { |
4456 | fattr->mode |= fmode; | |
4457 | fattr->valid |= status; | |
4458 | } | |
f26c7a78 TM |
4459 | |
4460 | status = decode_attr_nlink(xdr, bitmap, &fattr->nlink); | |
4461 | if (status < 0) | |
1da177e4 | 4462 | goto xdr_error; |
409924e4 | 4463 | fattr->valid |= status; |
f26c7a78 | 4464 | |
6926afd1 | 4465 | status = decode_attr_owner(xdr, bitmap, server, &fattr->uid, fattr->owner_name); |
f26c7a78 | 4466 | if (status < 0) |
1da177e4 | 4467 | goto xdr_error; |
409924e4 | 4468 | fattr->valid |= status; |
f26c7a78 | 4469 | |
6926afd1 | 4470 | status = decode_attr_group(xdr, bitmap, server, &fattr->gid, fattr->group_name); |
f26c7a78 | 4471 | if (status < 0) |
1da177e4 | 4472 | goto xdr_error; |
409924e4 | 4473 | fattr->valid |= status; |
f26c7a78 TM |
4474 | |
4475 | status = decode_attr_rdev(xdr, bitmap, &fattr->rdev); | |
4476 | if (status < 0) | |
1da177e4 | 4477 | goto xdr_error; |
409924e4 | 4478 | fattr->valid |= status; |
f26c7a78 TM |
4479 | |
4480 | status = decode_attr_space_used(xdr, bitmap, &fattr->du.nfs3.used); | |
4481 | if (status < 0) | |
1da177e4 | 4482 | goto xdr_error; |
409924e4 | 4483 | fattr->valid |= status; |
f26c7a78 TM |
4484 | |
4485 | status = decode_attr_time_access(xdr, bitmap, &fattr->atime); | |
4486 | if (status < 0) | |
1da177e4 | 4487 | goto xdr_error; |
409924e4 | 4488 | fattr->valid |= status; |
f26c7a78 TM |
4489 | |
4490 | status = decode_attr_time_metadata(xdr, bitmap, &fattr->ctime); | |
4491 | if (status < 0) | |
1da177e4 | 4492 | goto xdr_error; |
409924e4 | 4493 | fattr->valid |= status; |
f26c7a78 TM |
4494 | |
4495 | status = decode_attr_time_modify(xdr, bitmap, &fattr->mtime); | |
4496 | if (status < 0) | |
1da177e4 | 4497 | goto xdr_error; |
409924e4 | 4498 | fattr->valid |= status; |
f26c7a78 | 4499 | |
28331a46 | 4500 | status = decode_attr_mounted_on_fileid(xdr, bitmap, &fattr->mounted_on_fileid); |
f26c7a78 | 4501 | if (status < 0) |
99baf625 | 4502 | goto xdr_error; |
28331a46 | 4503 | fattr->valid |= status; |
f26c7a78 | 4504 | |
88034c3d AA |
4505 | status = decode_attr_mdsthreshold(xdr, bitmap, fattr->mdsthreshold); |
4506 | if (status < 0) | |
4507 | goto xdr_error; | |
4508 | ||
ae42c70a BS |
4509 | xdr_error: |
4510 | dprintk("%s: xdr returned %d\n", __func__, -status); | |
4511 | return status; | |
4512 | } | |
4513 | ||
4514 | static int decode_getfattr_generic(struct xdr_stream *xdr, struct nfs_fattr *fattr, | |
8b7e3f49 TM |
4515 | struct nfs_fh *fh, struct nfs4_fs_locations *fs_loc, |
4516 | const struct nfs_server *server) | |
ae42c70a | 4517 | { |
256e48bb | 4518 | unsigned int savep; |
ae42c70a | 4519 | uint32_t attrlen, |
dae100c2 | 4520 | bitmap[3] = {0}; |
ae42c70a BS |
4521 | int status; |
4522 | ||
4523 | status = decode_op_hdr(xdr, OP_GETATTR); | |
4524 | if (status < 0) | |
4525 | goto xdr_error; | |
4526 | ||
4527 | status = decode_attr_bitmap(xdr, bitmap); | |
4528 | if (status < 0) | |
4529 | goto xdr_error; | |
4530 | ||
4531 | status = decode_attr_length(xdr, &attrlen, &savep); | |
4532 | if (status < 0) | |
4533 | goto xdr_error; | |
4534 | ||
8b7e3f49 | 4535 | status = decode_getfattr_attrs(xdr, bitmap, fattr, fh, fs_loc, server); |
ae42c70a BS |
4536 | if (status < 0) |
4537 | goto xdr_error; | |
4538 | ||
f26c7a78 | 4539 | status = verify_attr_len(xdr, savep, attrlen); |
1da177e4 | 4540 | xdr_error: |
3110ff80 | 4541 | dprintk("%s: xdr returned %d\n", __func__, -status); |
1da177e4 LT |
4542 | return status; |
4543 | } | |
4544 | ||
ae42c70a | 4545 | static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr, |
6926afd1 | 4546 | const struct nfs_server *server) |
ae42c70a | 4547 | { |
8b7e3f49 | 4548 | return decode_getfattr_generic(xdr, fattr, NULL, NULL, server); |
ae42c70a | 4549 | } |
1da177e4 | 4550 | |
504913fb AA |
4551 | /* |
4552 | * Decode potentially multiple layout types. Currently we only support | |
4553 | * one layout driver per file system. | |
4554 | */ | |
4555 | static int decode_first_pnfs_layout_type(struct xdr_stream *xdr, | |
4556 | uint32_t *layouttype) | |
4557 | { | |
4558 | uint32_t *p; | |
4559 | int num; | |
4560 | ||
4561 | p = xdr_inline_decode(xdr, 4); | |
4562 | if (unlikely(!p)) | |
4563 | goto out_overflow; | |
4564 | num = be32_to_cpup(p); | |
4565 | ||
4566 | /* pNFS is not supported by the underlying file system */ | |
4567 | if (num == 0) { | |
4568 | *layouttype = 0; | |
4569 | return 0; | |
4570 | } | |
4571 | if (num > 1) | |
a030889a WAA |
4572 | printk(KERN_INFO "NFS: %s: Warning: Multiple pNFS layout " |
4573 | "drivers per filesystem not supported\n", __func__); | |
504913fb AA |
4574 | |
4575 | /* Decode and set first layout type, move xdr->p past unused types */ | |
4576 | p = xdr_inline_decode(xdr, num * 4); | |
4577 | if (unlikely(!p)) | |
4578 | goto out_overflow; | |
4579 | *layouttype = be32_to_cpup(p); | |
4580 | return 0; | |
4581 | out_overflow: | |
4582 | print_overflow_msg(__func__, xdr); | |
4583 | return -EIO; | |
4584 | } | |
4585 | ||
4586 | /* | |
4587 | * The type of file system exported. | |
4588 | * Note we must ensure that layouttype is set in any non-error case. | |
4589 | */ | |
4590 | static int decode_attr_pnfstype(struct xdr_stream *xdr, uint32_t *bitmap, | |
4591 | uint32_t *layouttype) | |
4592 | { | |
4593 | int status = 0; | |
4594 | ||
4595 | dprintk("%s: bitmap is %x\n", __func__, bitmap[1]); | |
4596 | if (unlikely(bitmap[1] & (FATTR4_WORD1_FS_LAYOUT_TYPES - 1U))) | |
4597 | return -EIO; | |
4598 | if (bitmap[1] & FATTR4_WORD1_FS_LAYOUT_TYPES) { | |
4599 | status = decode_first_pnfs_layout_type(xdr, layouttype); | |
4600 | bitmap[1] &= ~FATTR4_WORD1_FS_LAYOUT_TYPES; | |
4601 | } else | |
4602 | *layouttype = 0; | |
4603 | return status; | |
4604 | } | |
4605 | ||
dae100c2 FI |
4606 | /* |
4607 | * The prefered block size for layout directed io | |
4608 | */ | |
4609 | static int decode_attr_layout_blksize(struct xdr_stream *xdr, uint32_t *bitmap, | |
4610 | uint32_t *res) | |
4611 | { | |
4612 | __be32 *p; | |
4613 | ||
4614 | dprintk("%s: bitmap is %x\n", __func__, bitmap[2]); | |
4615 | *res = 0; | |
4616 | if (bitmap[2] & FATTR4_WORD2_LAYOUT_BLKSIZE) { | |
4617 | p = xdr_inline_decode(xdr, 4); | |
4618 | if (unlikely(!p)) { | |
4619 | print_overflow_msg(__func__, xdr); | |
4620 | return -EIO; | |
4621 | } | |
4622 | *res = be32_to_cpup(p); | |
4623 | bitmap[2] &= ~FATTR4_WORD2_LAYOUT_BLKSIZE; | |
4624 | } | |
4625 | return 0; | |
4626 | } | |
4627 | ||
1da177e4 LT |
4628 | static int decode_fsinfo(struct xdr_stream *xdr, struct nfs_fsinfo *fsinfo) |
4629 | { | |
256e48bb | 4630 | unsigned int savep; |
dae100c2 | 4631 | uint32_t attrlen, bitmap[3]; |
1da177e4 LT |
4632 | int status; |
4633 | ||
4634 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
4635 | goto xdr_error; | |
4636 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4637 | goto xdr_error; | |
4638 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4639 | goto xdr_error; | |
4640 | ||
4641 | fsinfo->rtmult = fsinfo->wtmult = 512; /* ??? */ | |
4642 | ||
4643 | if ((status = decode_attr_lease_time(xdr, bitmap, &fsinfo->lease_time)) != 0) | |
4644 | goto xdr_error; | |
4645 | if ((status = decode_attr_maxfilesize(xdr, bitmap, &fsinfo->maxfilesize)) != 0) | |
4646 | goto xdr_error; | |
4647 | if ((status = decode_attr_maxread(xdr, bitmap, &fsinfo->rtmax)) != 0) | |
4648 | goto xdr_error; | |
4649 | fsinfo->rtpref = fsinfo->dtpref = fsinfo->rtmax; | |
4650 | if ((status = decode_attr_maxwrite(xdr, bitmap, &fsinfo->wtmax)) != 0) | |
4651 | goto xdr_error; | |
4652 | fsinfo->wtpref = fsinfo->wtmax; | |
55b6e774 | 4653 | status = decode_attr_time_delta(xdr, bitmap, &fsinfo->time_delta); |
504913fb AA |
4654 | if (status != 0) |
4655 | goto xdr_error; | |
4656 | status = decode_attr_pnfstype(xdr, bitmap, &fsinfo->layouttype); | |
55b6e774 RL |
4657 | if (status != 0) |
4658 | goto xdr_error; | |
dae100c2 FI |
4659 | status = decode_attr_layout_blksize(xdr, bitmap, &fsinfo->blksize); |
4660 | if (status) | |
4661 | goto xdr_error; | |
1da177e4 LT |
4662 | |
4663 | status = verify_attr_len(xdr, savep, attrlen); | |
4664 | xdr_error: | |
3110ff80 | 4665 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4666 | return status; |
4667 | } | |
4668 | ||
4669 | static int decode_getfh(struct xdr_stream *xdr, struct nfs_fh *fh) | |
4670 | { | |
8687b63a | 4671 | __be32 *p; |
1da177e4 LT |
4672 | uint32_t len; |
4673 | int status; | |
4674 | ||
9936781d TM |
4675 | /* Zero handle first to allow comparisons */ |
4676 | memset(fh, 0, sizeof(*fh)); | |
4677 | ||
1da177e4 LT |
4678 | status = decode_op_hdr(xdr, OP_GETFH); |
4679 | if (status) | |
4680 | return status; | |
1da177e4 | 4681 | |
c0eae66e BH |
4682 | p = xdr_inline_decode(xdr, 4); |
4683 | if (unlikely(!p)) | |
4684 | goto out_overflow; | |
cccddf4f | 4685 | len = be32_to_cpup(p); |
1da177e4 LT |
4686 | if (len > NFS4_FHSIZE) |
4687 | return -EIO; | |
4688 | fh->size = len; | |
c0eae66e BH |
4689 | p = xdr_inline_decode(xdr, len); |
4690 | if (unlikely(!p)) | |
4691 | goto out_overflow; | |
99398d06 | 4692 | memcpy(fh->data, p, len); |
1da177e4 | 4693 | return 0; |
c0eae66e BH |
4694 | out_overflow: |
4695 | print_overflow_msg(__func__, xdr); | |
4696 | return -EIO; | |
1da177e4 LT |
4697 | } |
4698 | ||
4699 | static int decode_link(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4700 | { | |
4701 | int status; | |
6c0195a4 | 4702 | |
1da177e4 LT |
4703 | status = decode_op_hdr(xdr, OP_LINK); |
4704 | if (status) | |
4705 | return status; | |
4706 | return decode_change_info(xdr, cinfo); | |
4707 | } | |
4708 | ||
4709 | /* | |
4710 | * We create the owner, so we know a proper owner.id length is 4. | |
4711 | */ | |
911d1aaf | 4712 | static int decode_lock_denied (struct xdr_stream *xdr, struct file_lock *fl) |
1da177e4 | 4713 | { |
911d1aaf | 4714 | uint64_t offset, length, clientid; |
8687b63a | 4715 | __be32 *p; |
911d1aaf | 4716 | uint32_t namelen, type; |
1da177e4 | 4717 | |
babddc72 | 4718 | p = xdr_inline_decode(xdr, 32); /* read 32 bytes */ |
c0eae66e BH |
4719 | if (unlikely(!p)) |
4720 | goto out_overflow; | |
babddc72 | 4721 | p = xdr_decode_hyper(p, &offset); /* read 2 8-byte long words */ |
3ceb4dbb | 4722 | p = xdr_decode_hyper(p, &length); |
babddc72 BS |
4723 | type = be32_to_cpup(p++); /* 4 byte read */ |
4724 | if (fl != NULL) { /* manipulate file lock */ | |
911d1aaf TM |
4725 | fl->fl_start = (loff_t)offset; |
4726 | fl->fl_end = fl->fl_start + (loff_t)length - 1; | |
4727 | if (length == ~(uint64_t)0) | |
4728 | fl->fl_end = OFFSET_MAX; | |
4729 | fl->fl_type = F_WRLCK; | |
4730 | if (type & 1) | |
4731 | fl->fl_type = F_RDLCK; | |
4732 | fl->fl_pid = 0; | |
4733 | } | |
babddc72 BS |
4734 | p = xdr_decode_hyper(p, &clientid); /* read 8 bytes */ |
4735 | namelen = be32_to_cpup(p); /* read 4 bytes */ /* have read all 32 bytes now */ | |
4736 | p = xdr_inline_decode(xdr, namelen); /* variable size field */ | |
c0eae66e BH |
4737 | if (likely(p)) |
4738 | return -NFS4ERR_DENIED; | |
4739 | out_overflow: | |
4740 | print_overflow_msg(__func__, xdr); | |
4741 | return -EIO; | |
1da177e4 LT |
4742 | } |
4743 | ||
911d1aaf | 4744 | static int decode_lock(struct xdr_stream *xdr, struct nfs_lock_res *res) |
1da177e4 | 4745 | { |
1da177e4 LT |
4746 | int status; |
4747 | ||
4748 | status = decode_op_hdr(xdr, OP_LOCK); | |
c1d51931 TM |
4749 | if (status == -EIO) |
4750 | goto out; | |
1da177e4 | 4751 | if (status == 0) { |
07d30434 BH |
4752 | status = decode_stateid(xdr, &res->stateid); |
4753 | if (unlikely(status)) | |
4754 | goto out; | |
1da177e4 | 4755 | } else if (status == -NFS4ERR_DENIED) |
c1d51931 TM |
4756 | status = decode_lock_denied(xdr, NULL); |
4757 | if (res->open_seqid != NULL) | |
4758 | nfs_increment_open_seqid(status, res->open_seqid); | |
4759 | nfs_increment_lock_seqid(status, res->lock_seqid); | |
4760 | out: | |
1da177e4 LT |
4761 | return status; |
4762 | } | |
4763 | ||
911d1aaf | 4764 | static int decode_lockt(struct xdr_stream *xdr, struct nfs_lockt_res *res) |
1da177e4 LT |
4765 | { |
4766 | int status; | |
4767 | status = decode_op_hdr(xdr, OP_LOCKT); | |
4768 | if (status == -NFS4ERR_DENIED) | |
911d1aaf | 4769 | return decode_lock_denied(xdr, res->denied); |
1da177e4 LT |
4770 | return status; |
4771 | } | |
4772 | ||
911d1aaf | 4773 | static int decode_locku(struct xdr_stream *xdr, struct nfs_locku_res *res) |
1da177e4 | 4774 | { |
1da177e4 LT |
4775 | int status; |
4776 | ||
4777 | status = decode_op_hdr(xdr, OP_LOCKU); | |
c1d51931 TM |
4778 | if (status != -EIO) |
4779 | nfs_increment_lock_seqid(status, res->seqid); | |
07d30434 BH |
4780 | if (status == 0) |
4781 | status = decode_stateid(xdr, &res->stateid); | |
1da177e4 LT |
4782 | return status; |
4783 | } | |
4784 | ||
d3c7b7cc TM |
4785 | static int decode_release_lockowner(struct xdr_stream *xdr) |
4786 | { | |
4787 | return decode_op_hdr(xdr, OP_RELEASE_LOCKOWNER); | |
4788 | } | |
4789 | ||
1da177e4 LT |
4790 | static int decode_lookup(struct xdr_stream *xdr) |
4791 | { | |
4792 | return decode_op_hdr(xdr, OP_LOOKUP); | |
4793 | } | |
4794 | ||
4795 | /* This is too sick! */ | |
4796 | static int decode_space_limit(struct xdr_stream *xdr, u64 *maxsize) | |
4797 | { | |
05d564fe | 4798 | __be32 *p; |
1da177e4 LT |
4799 | uint32_t limit_type, nblocks, blocksize; |
4800 | ||
c0eae66e BH |
4801 | p = xdr_inline_decode(xdr, 12); |
4802 | if (unlikely(!p)) | |
4803 | goto out_overflow; | |
6f723f77 | 4804 | limit_type = be32_to_cpup(p++); |
1da177e4 | 4805 | switch (limit_type) { |
05d564fe | 4806 | case 1: |
cccddf4f | 4807 | xdr_decode_hyper(p, maxsize); |
05d564fe AA |
4808 | break; |
4809 | case 2: | |
6f723f77 | 4810 | nblocks = be32_to_cpup(p++); |
cccddf4f | 4811 | blocksize = be32_to_cpup(p); |
05d564fe | 4812 | *maxsize = (uint64_t)nblocks * (uint64_t)blocksize; |
1da177e4 LT |
4813 | } |
4814 | return 0; | |
c0eae66e BH |
4815 | out_overflow: |
4816 | print_overflow_msg(__func__, xdr); | |
4817 | return -EIO; | |
1da177e4 LT |
4818 | } |
4819 | ||
4820 | static int decode_delegation(struct xdr_stream *xdr, struct nfs_openres *res) | |
4821 | { | |
05d564fe AA |
4822 | __be32 *p; |
4823 | uint32_t delegation_type; | |
07d30434 | 4824 | int status; |
1da177e4 | 4825 | |
c0eae66e BH |
4826 | p = xdr_inline_decode(xdr, 4); |
4827 | if (unlikely(!p)) | |
4828 | goto out_overflow; | |
cccddf4f | 4829 | delegation_type = be32_to_cpup(p); |
1da177e4 LT |
4830 | if (delegation_type == NFS4_OPEN_DELEGATE_NONE) { |
4831 | res->delegation_type = 0; | |
4832 | return 0; | |
4833 | } | |
07d30434 BH |
4834 | status = decode_stateid(xdr, &res->delegation); |
4835 | if (unlikely(status)) | |
4836 | return status; | |
c0eae66e BH |
4837 | p = xdr_inline_decode(xdr, 4); |
4838 | if (unlikely(!p)) | |
4839 | goto out_overflow; | |
cccddf4f | 4840 | res->do_recall = be32_to_cpup(p); |
05d564fe | 4841 | |
1da177e4 | 4842 | switch (delegation_type) { |
05d564fe AA |
4843 | case NFS4_OPEN_DELEGATE_READ: |
4844 | res->delegation_type = FMODE_READ; | |
4845 | break; | |
4846 | case NFS4_OPEN_DELEGATE_WRITE: | |
4847 | res->delegation_type = FMODE_WRITE|FMODE_READ; | |
4848 | if (decode_space_limit(xdr, &res->maxsize) < 0) | |
1da177e4 LT |
4849 | return -EIO; |
4850 | } | |
7539bbab | 4851 | return decode_ace(xdr, NULL, res->server->nfs_client); |
c0eae66e BH |
4852 | out_overflow: |
4853 | print_overflow_msg(__func__, xdr); | |
4854 | return -EIO; | |
1da177e4 LT |
4855 | } |
4856 | ||
4857 | static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res) | |
4858 | { | |
05d564fe | 4859 | __be32 *p; |
aa53ed54 | 4860 | uint32_t savewords, bmlen, i; |
05d564fe | 4861 | int status; |
1da177e4 | 4862 | |
05d564fe | 4863 | status = decode_op_hdr(xdr, OP_OPEN); |
c1d51931 TM |
4864 | if (status != -EIO) |
4865 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4866 | if (!status) |
4867 | status = decode_stateid(xdr, &res->stateid); | |
4868 | if (unlikely(status)) | |
05d564fe | 4869 | return status; |
1da177e4 | 4870 | |
05d564fe | 4871 | decode_change_info(xdr, &res->cinfo); |
1da177e4 | 4872 | |
c0eae66e BH |
4873 | p = xdr_inline_decode(xdr, 8); |
4874 | if (unlikely(!p)) | |
4875 | goto out_overflow; | |
6f723f77 | 4876 | res->rflags = be32_to_cpup(p++); |
cccddf4f | 4877 | bmlen = be32_to_cpup(p); |
05d564fe AA |
4878 | if (bmlen > 10) |
4879 | goto xdr_error; | |
1da177e4 | 4880 | |
c0eae66e BH |
4881 | p = xdr_inline_decode(xdr, bmlen << 2); |
4882 | if (unlikely(!p)) | |
4883 | goto out_overflow; | |
aa53ed54 JL |
4884 | savewords = min_t(uint32_t, bmlen, NFS4_BITMAP_SIZE); |
4885 | for (i = 0; i < savewords; ++i) | |
6f723f77 | 4886 | res->attrset[i] = be32_to_cpup(p++); |
aa53ed54 JL |
4887 | for (; i < NFS4_BITMAP_SIZE; i++) |
4888 | res->attrset[i] = 0; | |
4889 | ||
1da177e4 LT |
4890 | return decode_delegation(xdr, res); |
4891 | xdr_error: | |
3110ff80 | 4892 | dprintk("%s: Bitmap too large! Length = %u\n", __func__, bmlen); |
1da177e4 | 4893 | return -EIO; |
c0eae66e BH |
4894 | out_overflow: |
4895 | print_overflow_msg(__func__, xdr); | |
4896 | return -EIO; | |
1da177e4 LT |
4897 | } |
4898 | ||
4899 | static int decode_open_confirm(struct xdr_stream *xdr, struct nfs_open_confirmres *res) | |
4900 | { | |
1da177e4 LT |
4901 | int status; |
4902 | ||
05d564fe | 4903 | status = decode_op_hdr(xdr, OP_OPEN_CONFIRM); |
c1d51931 TM |
4904 | if (status != -EIO) |
4905 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4906 | if (!status) |
4907 | status = decode_stateid(xdr, &res->stateid); | |
4908 | return status; | |
1da177e4 LT |
4909 | } |
4910 | ||
4911 | static int decode_open_downgrade(struct xdr_stream *xdr, struct nfs_closeres *res) | |
4912 | { | |
1da177e4 LT |
4913 | int status; |
4914 | ||
4915 | status = decode_op_hdr(xdr, OP_OPEN_DOWNGRADE); | |
c1d51931 TM |
4916 | if (status != -EIO) |
4917 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4918 | if (!status) |
4919 | status = decode_stateid(xdr, &res->stateid); | |
4920 | return status; | |
1da177e4 LT |
4921 | } |
4922 | ||
4923 | static int decode_putfh(struct xdr_stream *xdr) | |
4924 | { | |
4925 | return decode_op_hdr(xdr, OP_PUTFH); | |
4926 | } | |
4927 | ||
4928 | static int decode_putrootfh(struct xdr_stream *xdr) | |
4929 | { | |
4930 | return decode_op_hdr(xdr, OP_PUTROOTFH); | |
4931 | } | |
4932 | ||
4933 | static int decode_read(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs_readres *res) | |
4934 | { | |
8687b63a | 4935 | __be32 *p; |
64bd577e | 4936 | uint32_t count, eof, recvd; |
1da177e4 LT |
4937 | int status; |
4938 | ||
4939 | status = decode_op_hdr(xdr, OP_READ); | |
4940 | if (status) | |
4941 | return status; | |
c0eae66e BH |
4942 | p = xdr_inline_decode(xdr, 8); |
4943 | if (unlikely(!p)) | |
4944 | goto out_overflow; | |
6f723f77 | 4945 | eof = be32_to_cpup(p++); |
cccddf4f | 4946 | count = be32_to_cpup(p); |
64bd577e | 4947 | recvd = xdr_read_pages(xdr, count); |
1da177e4 | 4948 | if (count > recvd) { |
fe82a183 | 4949 | dprintk("NFS: server cheating in read reply: " |
1da177e4 LT |
4950 | "count %u > recvd %u\n", count, recvd); |
4951 | count = recvd; | |
4952 | eof = 0; | |
4953 | } | |
1da177e4 LT |
4954 | res->eof = eof; |
4955 | res->count = count; | |
4956 | return 0; | |
c0eae66e BH |
4957 | out_overflow: |
4958 | print_overflow_msg(__func__, xdr); | |
4959 | return -EIO; | |
1da177e4 LT |
4960 | } |
4961 | ||
4962 | static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs4_readdir_res *readdir) | |
4963 | { | |
bcecff77 | 4964 | int status; |
cd93710e | 4965 | __be32 verf[2]; |
1da177e4 LT |
4966 | |
4967 | status = decode_op_hdr(xdr, OP_READDIR); | |
db942bbd BH |
4968 | if (!status) |
4969 | status = decode_verifier(xdr, readdir->verifier.data); | |
4970 | if (unlikely(status)) | |
1da177e4 | 4971 | return status; |
cd93710e | 4972 | memcpy(verf, readdir->verifier.data, sizeof(verf)); |
44109241 | 4973 | dprintk("%s: verifier = %08x:%08x\n", |
cd93710e | 4974 | __func__, verf[0], verf[1]); |
64bd577e | 4975 | return xdr_read_pages(xdr, xdr->buf->page_len); |
1da177e4 LT |
4976 | } |
4977 | ||
4978 | static int decode_readlink(struct xdr_stream *xdr, struct rpc_rqst *req) | |
4979 | { | |
4980 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; | |
bcecff77 | 4981 | u32 len, recvd; |
8687b63a | 4982 | __be32 *p; |
1da177e4 LT |
4983 | int status; |
4984 | ||
4985 | status = decode_op_hdr(xdr, OP_READLINK); | |
4986 | if (status) | |
4987 | return status; | |
4988 | ||
4989 | /* Convert length of symlink */ | |
c0eae66e BH |
4990 | p = xdr_inline_decode(xdr, 4); |
4991 | if (unlikely(!p)) | |
4992 | goto out_overflow; | |
cccddf4f | 4993 | len = be32_to_cpup(p); |
1da177e4 | 4994 | if (len >= rcvbuf->page_len || len <= 0) { |
fe82a183 | 4995 | dprintk("nfs: server returned giant symlink!\n"); |
1da177e4 LT |
4996 | return -ENAMETOOLONG; |
4997 | } | |
64bd577e | 4998 | recvd = xdr_read_pages(xdr, len); |
1da177e4 | 4999 | if (recvd < len) { |
fe82a183 | 5000 | dprintk("NFS: server cheating in readlink reply: " |
1da177e4 LT |
5001 | "count %u > recvd %u\n", len, recvd); |
5002 | return -EIO; | |
5003 | } | |
1da177e4 LT |
5004 | /* |
5005 | * The XDR encode routine has set things up so that | |
5006 | * the link text will be copied directly into the | |
5007 | * buffer. We just have to do overflow-checking, | |
5008 | * and and null-terminate the text (the VFS expects | |
5009 | * null-termination). | |
5010 | */ | |
b4687da7 | 5011 | xdr_terminate_string(rcvbuf, len); |
1da177e4 | 5012 | return 0; |
c0eae66e BH |
5013 | out_overflow: |
5014 | print_overflow_msg(__func__, xdr); | |
5015 | return -EIO; | |
1da177e4 LT |
5016 | } |
5017 | ||
5018 | static int decode_remove(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
5019 | { | |
5020 | int status; | |
5021 | ||
5022 | status = decode_op_hdr(xdr, OP_REMOVE); | |
5023 | if (status) | |
5024 | goto out; | |
5025 | status = decode_change_info(xdr, cinfo); | |
5026 | out: | |
5027 | return status; | |
5028 | } | |
5029 | ||
5030 | static int decode_rename(struct xdr_stream *xdr, struct nfs4_change_info *old_cinfo, | |
5031 | struct nfs4_change_info *new_cinfo) | |
5032 | { | |
5033 | int status; | |
5034 | ||
5035 | status = decode_op_hdr(xdr, OP_RENAME); | |
5036 | if (status) | |
5037 | goto out; | |
5038 | if ((status = decode_change_info(xdr, old_cinfo))) | |
5039 | goto out; | |
5040 | status = decode_change_info(xdr, new_cinfo); | |
5041 | out: | |
5042 | return status; | |
5043 | } | |
5044 | ||
5045 | static int decode_renew(struct xdr_stream *xdr) | |
5046 | { | |
5047 | return decode_op_hdr(xdr, OP_RENEW); | |
5048 | } | |
5049 | ||
56ae19f3 TM |
5050 | static int |
5051 | decode_restorefh(struct xdr_stream *xdr) | |
5052 | { | |
5053 | return decode_op_hdr(xdr, OP_RESTOREFH); | |
5054 | } | |
5055 | ||
029d105e | 5056 | static int decode_getacl(struct xdr_stream *xdr, struct rpc_rqst *req, |
bf118a34 | 5057 | struct nfs_getaclres *res) |
029d105e | 5058 | { |
256e48bb | 5059 | unsigned int savep; |
029d105e | 5060 | uint32_t attrlen, |
dae100c2 | 5061 | bitmap[3] = {0}; |
029d105e | 5062 | int status; |
cff298c7 | 5063 | unsigned int pg_offset; |
029d105e | 5064 | |
bf118a34 | 5065 | res->acl_len = 0; |
029d105e BF |
5066 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
5067 | goto out; | |
5a006899 | 5068 | |
519d3959 TM |
5069 | xdr_enter_page(xdr, xdr->buf->page_len); |
5070 | ||
cff298c7 TM |
5071 | /* Calculate the offset of the page data */ |
5072 | pg_offset = xdr->buf->head[0].iov_len; | |
5a006899 | 5073 | |
029d105e BF |
5074 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) |
5075 | goto out; | |
5076 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
5077 | goto out; | |
5078 | ||
5079 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACL - 1U))) | |
5080 | return -EIO; | |
5081 | if (likely(bitmap[0] & FATTR4_WORD0_ACL)) { | |
029d105e | 5082 | |
bf118a34 AA |
5083 | /* The bitmap (xdr len + bitmaps) and the attr xdr len words |
5084 | * are stored with the acl data to handle the problem of | |
5085 | * variable length bitmaps.*/ | |
cff298c7 | 5086 | res->acl_data_offset = xdr_stream_pos(xdr) - pg_offset; |
519d3959 | 5087 | res->acl_len = attrlen; |
1f1ea6c2 TM |
5088 | |
5089 | /* Check for receive buffer overflow */ | |
5090 | if (res->acl_len > (xdr->nwords << 2) || | |
5091 | res->acl_len + res->acl_data_offset > xdr->buf->page_len) { | |
5092 | res->acl_flags |= NFS4_ACL_TRUNC; | |
519d3959 | 5093 | dprintk("NFS: acl reply: attrlen %u > page_len %u\n", |
cff298c7 | 5094 | attrlen, xdr->nwords << 2); |
029d105e | 5095 | } |
8c233cf9 BF |
5096 | } else |
5097 | status = -EOPNOTSUPP; | |
029d105e BF |
5098 | |
5099 | out: | |
5100 | return status; | |
5101 | } | |
5102 | ||
1da177e4 LT |
5103 | static int |
5104 | decode_savefh(struct xdr_stream *xdr) | |
5105 | { | |
5106 | return decode_op_hdr(xdr, OP_SAVEFH); | |
5107 | } | |
5108 | ||
9e9ecc03 | 5109 | static int decode_setattr(struct xdr_stream *xdr) |
1da177e4 | 5110 | { |
8687b63a | 5111 | __be32 *p; |
1da177e4 LT |
5112 | uint32_t bmlen; |
5113 | int status; | |
5114 | ||
1da177e4 LT |
5115 | status = decode_op_hdr(xdr, OP_SETATTR); |
5116 | if (status) | |
5117 | return status; | |
c0eae66e BH |
5118 | p = xdr_inline_decode(xdr, 4); |
5119 | if (unlikely(!p)) | |
5120 | goto out_overflow; | |
cccddf4f | 5121 | bmlen = be32_to_cpup(p); |
c0eae66e BH |
5122 | p = xdr_inline_decode(xdr, bmlen << 2); |
5123 | if (likely(p)) | |
5124 | return 0; | |
5125 | out_overflow: | |
5126 | print_overflow_msg(__func__, xdr); | |
5127 | return -EIO; | |
1da177e4 LT |
5128 | } |
5129 | ||
bb8b27e5 | 5130 | static int decode_setclientid(struct xdr_stream *xdr, struct nfs4_setclientid_res *res) |
1da177e4 | 5131 | { |
8687b63a | 5132 | __be32 *p; |
1da177e4 LT |
5133 | uint32_t opnum; |
5134 | int32_t nfserr; | |
5135 | ||
c0eae66e BH |
5136 | p = xdr_inline_decode(xdr, 8); |
5137 | if (unlikely(!p)) | |
5138 | goto out_overflow; | |
6f723f77 | 5139 | opnum = be32_to_cpup(p++); |
1da177e4 | 5140 | if (opnum != OP_SETCLIENTID) { |
fe82a183 | 5141 | dprintk("nfs: decode_setclientid: Server returned operation" |
6c0195a4 | 5142 | " %d\n", opnum); |
1da177e4 LT |
5143 | return -EIO; |
5144 | } | |
cccddf4f | 5145 | nfserr = be32_to_cpup(p); |
1da177e4 | 5146 | if (nfserr == NFS_OK) { |
c0eae66e BH |
5147 | p = xdr_inline_decode(xdr, 8 + NFS4_VERIFIER_SIZE); |
5148 | if (unlikely(!p)) | |
5149 | goto out_overflow; | |
bb8b27e5 TM |
5150 | p = xdr_decode_hyper(p, &res->clientid); |
5151 | memcpy(res->confirm.data, p, NFS4_VERIFIER_SIZE); | |
1da177e4 LT |
5152 | } else if (nfserr == NFSERR_CLID_INUSE) { |
5153 | uint32_t len; | |
5154 | ||
5155 | /* skip netid string */ | |
c0eae66e BH |
5156 | p = xdr_inline_decode(xdr, 4); |
5157 | if (unlikely(!p)) | |
5158 | goto out_overflow; | |
cccddf4f | 5159 | len = be32_to_cpup(p); |
c0eae66e BH |
5160 | p = xdr_inline_decode(xdr, len); |
5161 | if (unlikely(!p)) | |
5162 | goto out_overflow; | |
1da177e4 LT |
5163 | |
5164 | /* skip uaddr string */ | |
c0eae66e BH |
5165 | p = xdr_inline_decode(xdr, 4); |
5166 | if (unlikely(!p)) | |
5167 | goto out_overflow; | |
cccddf4f | 5168 | len = be32_to_cpup(p); |
c0eae66e BH |
5169 | p = xdr_inline_decode(xdr, len); |
5170 | if (unlikely(!p)) | |
5171 | goto out_overflow; | |
1da177e4 LT |
5172 | return -NFSERR_CLID_INUSE; |
5173 | } else | |
856dff3d | 5174 | return nfs4_stat_to_errno(nfserr); |
1da177e4 LT |
5175 | |
5176 | return 0; | |
c0eae66e BH |
5177 | out_overflow: |
5178 | print_overflow_msg(__func__, xdr); | |
5179 | return -EIO; | |
1da177e4 LT |
5180 | } |
5181 | ||
5182 | static int decode_setclientid_confirm(struct xdr_stream *xdr) | |
5183 | { | |
5184 | return decode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM); | |
5185 | } | |
5186 | ||
5187 | static int decode_write(struct xdr_stream *xdr, struct nfs_writeres *res) | |
5188 | { | |
8687b63a | 5189 | __be32 *p; |
1da177e4 LT |
5190 | int status; |
5191 | ||
5192 | status = decode_op_hdr(xdr, OP_WRITE); | |
5193 | if (status) | |
5194 | return status; | |
5195 | ||
2f2c63bc | 5196 | p = xdr_inline_decode(xdr, 8); |
c0eae66e BH |
5197 | if (unlikely(!p)) |
5198 | goto out_overflow; | |
6f723f77 BH |
5199 | res->count = be32_to_cpup(p++); |
5200 | res->verf->committed = be32_to_cpup(p++); | |
2f2c63bc | 5201 | return decode_write_verifier(xdr, &res->verf->verifier); |
c0eae66e BH |
5202 | out_overflow: |
5203 | print_overflow_msg(__func__, xdr); | |
5204 | return -EIO; | |
1da177e4 LT |
5205 | } |
5206 | ||
5207 | static int decode_delegreturn(struct xdr_stream *xdr) | |
5208 | { | |
5209 | return decode_op_hdr(xdr, OP_DELEGRETURN); | |
5210 | } | |
5211 | ||
5a5ea0d4 BS |
5212 | static int decode_secinfo_gss(struct xdr_stream *xdr, struct nfs4_secinfo_flavor *flavor) |
5213 | { | |
5214 | __be32 *p; | |
5215 | ||
5216 | p = xdr_inline_decode(xdr, 4); | |
5217 | if (unlikely(!p)) | |
5218 | goto out_overflow; | |
5219 | flavor->gss.sec_oid4.len = be32_to_cpup(p); | |
5220 | if (flavor->gss.sec_oid4.len > GSS_OID_MAX_LEN) | |
5221 | goto out_err; | |
5222 | ||
5223 | p = xdr_inline_decode(xdr, flavor->gss.sec_oid4.len); | |
5224 | if (unlikely(!p)) | |
5225 | goto out_overflow; | |
5226 | memcpy(flavor->gss.sec_oid4.data, p, flavor->gss.sec_oid4.len); | |
5227 | ||
5228 | p = xdr_inline_decode(xdr, 8); | |
5229 | if (unlikely(!p)) | |
5230 | goto out_overflow; | |
5231 | flavor->gss.qop4 = be32_to_cpup(p++); | |
5232 | flavor->gss.service = be32_to_cpup(p); | |
5233 | ||
5234 | return 0; | |
5235 | ||
5236 | out_overflow: | |
5237 | print_overflow_msg(__func__, xdr); | |
5238 | return -EIO; | |
5239 | out_err: | |
5240 | return -EINVAL; | |
5241 | } | |
5242 | ||
31e4dda4 | 5243 | static int decode_secinfo_common(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
5a5ea0d4 BS |
5244 | { |
5245 | struct nfs4_secinfo_flavor *sec_flavor; | |
5246 | int status; | |
5247 | __be32 *p; | |
c3dfc280 | 5248 | int i, num_flavors; |
5a5ea0d4 | 5249 | |
5a5ea0d4 BS |
5250 | p = xdr_inline_decode(xdr, 4); |
5251 | if (unlikely(!p)) | |
5252 | goto out_overflow; | |
5a5ea0d4 | 5253 | |
c3dfc280 BS |
5254 | res->flavors->num_flavors = 0; |
5255 | num_flavors = be32_to_cpup(p); | |
5256 | ||
5257 | for (i = 0; i < num_flavors; i++) { | |
5a5ea0d4 | 5258 | sec_flavor = &res->flavors->flavors[i]; |
c3dfc280 | 5259 | if ((char *)&sec_flavor[1] - (char *)res->flavors > PAGE_SIZE) |
5a5ea0d4 BS |
5260 | break; |
5261 | ||
5262 | p = xdr_inline_decode(xdr, 4); | |
5263 | if (unlikely(!p)) | |
5264 | goto out_overflow; | |
5265 | sec_flavor->flavor = be32_to_cpup(p); | |
5266 | ||
5267 | if (sec_flavor->flavor == RPC_AUTH_GSS) { | |
613e901e BS |
5268 | status = decode_secinfo_gss(xdr, sec_flavor); |
5269 | if (status) | |
5270 | goto out; | |
5a5ea0d4 | 5271 | } |
c3dfc280 | 5272 | res->flavors->num_flavors++; |
5a5ea0d4 BS |
5273 | } |
5274 | ||
31e4dda4 | 5275 | status = 0; |
613e901e BS |
5276 | out: |
5277 | return status; | |
5a5ea0d4 BS |
5278 | out_overflow: |
5279 | print_overflow_msg(__func__, xdr); | |
5280 | return -EIO; | |
5281 | } | |
5282 | ||
31e4dda4 BS |
5283 | static int decode_secinfo(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
5284 | { | |
5285 | int status = decode_op_hdr(xdr, OP_SECINFO); | |
5286 | if (status) | |
5287 | return status; | |
5288 | return decode_secinfo_common(xdr, res); | |
5289 | } | |
5290 | ||
99fe60d0 | 5291 | #if defined(CONFIG_NFS_V4_1) |
31e4dda4 BS |
5292 | static int decode_secinfo_no_name(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
5293 | { | |
5294 | int status = decode_op_hdr(xdr, OP_SECINFO_NO_NAME); | |
5295 | if (status) | |
5296 | return status; | |
5297 | return decode_secinfo_common(xdr, res); | |
5298 | } | |
5299 | ||
99fe60d0 BH |
5300 | static int decode_exchange_id(struct xdr_stream *xdr, |
5301 | struct nfs41_exchange_id_res *res) | |
5302 | { | |
5303 | __be32 *p; | |
5304 | uint32_t dummy; | |
2460ba57 | 5305 | char *dummy_str; |
99fe60d0 | 5306 | int status; |
7d2ed9ac | 5307 | uint32_t impl_id_count; |
99fe60d0 BH |
5308 | |
5309 | status = decode_op_hdr(xdr, OP_EXCHANGE_ID); | |
5310 | if (status) | |
5311 | return status; | |
5312 | ||
c0eae66e BH |
5313 | p = xdr_inline_decode(xdr, 8); |
5314 | if (unlikely(!p)) | |
5315 | goto out_overflow; | |
32b01310 | 5316 | xdr_decode_hyper(p, &res->clientid); |
c0eae66e BH |
5317 | p = xdr_inline_decode(xdr, 12); |
5318 | if (unlikely(!p)) | |
5319 | goto out_overflow; | |
32b01310 TM |
5320 | res->seqid = be32_to_cpup(p++); |
5321 | res->flags = be32_to_cpup(p++); | |
99fe60d0 BH |
5322 | |
5323 | /* We ask for SP4_NONE */ | |
cccddf4f | 5324 | dummy = be32_to_cpup(p); |
99fe60d0 BH |
5325 | if (dummy != SP4_NONE) |
5326 | return -EIO; | |
5327 | ||
acdeb69d | 5328 | /* server_owner4.so_minor_id */ |
c0eae66e BH |
5329 | p = xdr_inline_decode(xdr, 8); |
5330 | if (unlikely(!p)) | |
5331 | goto out_overflow; | |
acdeb69d | 5332 | p = xdr_decode_hyper(p, &res->server_owner->minor_id); |
99fe60d0 | 5333 | |
acdeb69d | 5334 | /* server_owner4.so_major_id */ |
2460ba57 BH |
5335 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
5336 | if (unlikely(status)) | |
5337 | return status; | |
acdeb69d CL |
5338 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) |
5339 | return -EIO; | |
5340 | memcpy(res->server_owner->major_id, dummy_str, dummy); | |
5341 | res->server_owner->major_id_sz = dummy; | |
99fe60d0 | 5342 | |
acdeb69d | 5343 | /* server_scope4 */ |
2460ba57 BH |
5344 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
5345 | if (unlikely(status)) | |
5346 | return status; | |
78fe0f41 WAA |
5347 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) |
5348 | return -EIO; | |
78fe0f41 WAA |
5349 | memcpy(res->server_scope->server_scope, dummy_str, dummy); |
5350 | res->server_scope->server_scope_sz = dummy; | |
5351 | ||
7d2ed9ac WAA |
5352 | /* Implementation Id */ |
5353 | p = xdr_inline_decode(xdr, 4); | |
5354 | if (unlikely(!p)) | |
5355 | goto out_overflow; | |
5356 | impl_id_count = be32_to_cpup(p++); | |
99fe60d0 | 5357 | |
7d2ed9ac WAA |
5358 | if (impl_id_count) { |
5359 | /* nii_domain */ | |
5360 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); | |
5361 | if (unlikely(status)) | |
5362 | return status; | |
5363 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) | |
5364 | return -EIO; | |
5365 | memcpy(res->impl_id->domain, dummy_str, dummy); | |
5366 | ||
5367 | /* nii_name */ | |
5368 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); | |
5369 | if (unlikely(status)) | |
5370 | return status; | |
5371 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) | |
5372 | return -EIO; | |
5373 | memcpy(res->impl_id->name, dummy_str, dummy); | |
5374 | ||
5375 | /* nii_date */ | |
5376 | p = xdr_inline_decode(xdr, 12); | |
5377 | if (unlikely(!p)) | |
5378 | goto out_overflow; | |
5379 | p = xdr_decode_hyper(p, &res->impl_id->date.seconds); | |
5380 | res->impl_id->date.nseconds = be32_to_cpup(p); | |
5381 | ||
5382 | /* if there's more than one entry, ignore the rest */ | |
5383 | } | |
99fe60d0 | 5384 | return 0; |
c0eae66e BH |
5385 | out_overflow: |
5386 | print_overflow_msg(__func__, xdr); | |
5387 | return -EIO; | |
99fe60d0 | 5388 | } |
fc931582 AA |
5389 | |
5390 | static int decode_chan_attrs(struct xdr_stream *xdr, | |
5391 | struct nfs4_channel_attrs *attrs) | |
5392 | { | |
5393 | __be32 *p; | |
c9c30dd5 | 5394 | u32 nr_attrs, val; |
fc931582 | 5395 | |
c0eae66e BH |
5396 | p = xdr_inline_decode(xdr, 28); |
5397 | if (unlikely(!p)) | |
5398 | goto out_overflow; | |
c9c30dd5 BH |
5399 | val = be32_to_cpup(p++); /* headerpadsz */ |
5400 | if (val) | |
5401 | return -EINVAL; /* no support for header padding yet */ | |
6f723f77 BH |
5402 | attrs->max_rqst_sz = be32_to_cpup(p++); |
5403 | attrs->max_resp_sz = be32_to_cpup(p++); | |
5404 | attrs->max_resp_sz_cached = be32_to_cpup(p++); | |
5405 | attrs->max_ops = be32_to_cpup(p++); | |
5406 | attrs->max_reqs = be32_to_cpup(p++); | |
cccddf4f | 5407 | nr_attrs = be32_to_cpup(p); |
fc931582 | 5408 | if (unlikely(nr_attrs > 1)) { |
a030889a WAA |
5409 | printk(KERN_WARNING "NFS: %s: Invalid rdma channel attrs " |
5410 | "count %u\n", __func__, nr_attrs); | |
fc931582 AA |
5411 | return -EINVAL; |
5412 | } | |
c0eae66e BH |
5413 | if (nr_attrs == 1) { |
5414 | p = xdr_inline_decode(xdr, 4); /* skip rdma_attrs */ | |
5415 | if (unlikely(!p)) | |
5416 | goto out_overflow; | |
5417 | } | |
fc931582 | 5418 | return 0; |
c0eae66e BH |
5419 | out_overflow: |
5420 | print_overflow_msg(__func__, xdr); | |
5421 | return -EIO; | |
fc931582 AA |
5422 | } |
5423 | ||
e78291e4 BH |
5424 | static int decode_sessionid(struct xdr_stream *xdr, struct nfs4_sessionid *sid) |
5425 | { | |
5426 | return decode_opaque_fixed(xdr, sid->data, NFS4_MAX_SESSIONID_LEN); | |
fc931582 AA |
5427 | } |
5428 | ||
7c44f1ae WAA |
5429 | static int decode_bind_conn_to_session(struct xdr_stream *xdr, |
5430 | struct nfs41_bind_conn_to_session_res *res) | |
5431 | { | |
5432 | __be32 *p; | |
5433 | int status; | |
5434 | ||
5435 | status = decode_op_hdr(xdr, OP_BIND_CONN_TO_SESSION); | |
5436 | if (!status) | |
5437 | status = decode_sessionid(xdr, &res->session->sess_id); | |
5438 | if (unlikely(status)) | |
5439 | return status; | |
5440 | ||
5441 | /* dir flags, rdma mode bool */ | |
5442 | p = xdr_inline_decode(xdr, 8); | |
5443 | if (unlikely(!p)) | |
5444 | goto out_overflow; | |
5445 | ||
5446 | res->dir = be32_to_cpup(p++); | |
5447 | if (res->dir == 0 || res->dir > NFS4_CDFS4_BOTH) | |
5448 | return -EIO; | |
5449 | if (be32_to_cpup(p) == 0) | |
5450 | res->use_conn_in_rdma_mode = false; | |
5451 | else | |
5452 | res->use_conn_in_rdma_mode = true; | |
5453 | ||
5454 | return 0; | |
5455 | out_overflow: | |
5456 | print_overflow_msg(__func__, xdr); | |
5457 | return -EIO; | |
5458 | } | |
5459 | ||
fc931582 AA |
5460 | static int decode_create_session(struct xdr_stream *xdr, |
5461 | struct nfs41_create_session_res *res) | |
5462 | { | |
5463 | __be32 *p; | |
5464 | int status; | |
5465 | struct nfs_client *clp = res->client; | |
5466 | struct nfs4_session *session = clp->cl_session; | |
5467 | ||
5468 | status = decode_op_hdr(xdr, OP_CREATE_SESSION); | |
e78291e4 BH |
5469 | if (!status) |
5470 | status = decode_sessionid(xdr, &session->sess_id); | |
5471 | if (unlikely(status)) | |
fc931582 AA |
5472 | return status; |
5473 | ||
fc931582 | 5474 | /* seqid, flags */ |
c0eae66e BH |
5475 | p = xdr_inline_decode(xdr, 8); |
5476 | if (unlikely(!p)) | |
5477 | goto out_overflow; | |
6f723f77 | 5478 | clp->cl_seqid = be32_to_cpup(p++); |
cccddf4f | 5479 | session->flags = be32_to_cpup(p); |
fc931582 AA |
5480 | |
5481 | /* Channel attributes */ | |
5482 | status = decode_chan_attrs(xdr, &session->fc_attrs); | |
5483 | if (!status) | |
5484 | status = decode_chan_attrs(xdr, &session->bc_attrs); | |
5485 | return status; | |
c0eae66e BH |
5486 | out_overflow: |
5487 | print_overflow_msg(__func__, xdr); | |
5488 | return -EIO; | |
fc931582 | 5489 | } |
0f3e66c6 AA |
5490 | |
5491 | static int decode_destroy_session(struct xdr_stream *xdr, void *dummy) | |
5492 | { | |
5493 | return decode_op_hdr(xdr, OP_DESTROY_SESSION); | |
5494 | } | |
18019753 | 5495 | |
66245539 TM |
5496 | static int decode_destroy_clientid(struct xdr_stream *xdr, void *dummy) |
5497 | { | |
5498 | return decode_op_hdr(xdr, OP_DESTROY_CLIENTID); | |
5499 | } | |
5500 | ||
18019753 RL |
5501 | static int decode_reclaim_complete(struct xdr_stream *xdr, void *dummy) |
5502 | { | |
5503 | return decode_op_hdr(xdr, OP_RECLAIM_COMPLETE); | |
5504 | } | |
99fe60d0 BH |
5505 | #endif /* CONFIG_NFS_V4_1 */ |
5506 | ||
9b7b9fcc AA |
5507 | static int decode_sequence(struct xdr_stream *xdr, |
5508 | struct nfs4_sequence_res *res, | |
5509 | struct rpc_rqst *rqstp) | |
5510 | { | |
5511 | #if defined(CONFIG_NFS_V4_1) | |
fc01cea9 AA |
5512 | struct nfs4_sessionid id; |
5513 | u32 dummy; | |
5514 | int status; | |
5515 | __be32 *p; | |
5516 | ||
9b7b9fcc AA |
5517 | if (!res->sr_session) |
5518 | return 0; | |
5519 | ||
fc01cea9 | 5520 | status = decode_op_hdr(xdr, OP_SEQUENCE); |
e78291e4 BH |
5521 | if (!status) |
5522 | status = decode_sessionid(xdr, &id); | |
5523 | if (unlikely(status)) | |
fc01cea9 | 5524 | goto out_err; |
9b7b9fcc | 5525 | |
fc01cea9 AA |
5526 | /* |
5527 | * If the server returns different values for sessionID, slotID or | |
5528 | * sequence number, the server is looney tunes. | |
5529 | */ | |
fdcb4577 | 5530 | status = -EREMOTEIO; |
fc01cea9 | 5531 | |
fc01cea9 AA |
5532 | if (memcmp(id.data, res->sr_session->sess_id.data, |
5533 | NFS4_MAX_SESSIONID_LEN)) { | |
5534 | dprintk("%s Invalid session id\n", __func__); | |
5535 | goto out_err; | |
5536 | } | |
e78291e4 | 5537 | |
c0eae66e BH |
5538 | p = xdr_inline_decode(xdr, 20); |
5539 | if (unlikely(!p)) | |
5540 | goto out_overflow; | |
e78291e4 | 5541 | |
fc01cea9 | 5542 | /* seqid */ |
6f723f77 | 5543 | dummy = be32_to_cpup(p++); |
dfb4f309 | 5544 | if (dummy != res->sr_slot->seq_nr) { |
fc01cea9 AA |
5545 | dprintk("%s Invalid sequence number\n", __func__); |
5546 | goto out_err; | |
5547 | } | |
5548 | /* slot id */ | |
6f723f77 | 5549 | dummy = be32_to_cpup(p++); |
dfb4f309 | 5550 | if (dummy != res->sr_slot - res->sr_session->fc_slot_table.slots) { |
fc01cea9 AA |
5551 | dprintk("%s Invalid slot id\n", __func__); |
5552 | goto out_err; | |
5553 | } | |
5554 | /* highest slot id - currently not processed */ | |
6f723f77 | 5555 | dummy = be32_to_cpup(p++); |
fc01cea9 | 5556 | /* target highest slot id - currently not processed */ |
6f723f77 | 5557 | dummy = be32_to_cpup(p++); |
0629e370 AB |
5558 | /* result flags */ |
5559 | res->sr_status_flags = be32_to_cpup(p); | |
fc01cea9 AA |
5560 | status = 0; |
5561 | out_err: | |
5562 | res->sr_status = status; | |
5563 | return status; | |
c0eae66e BH |
5564 | out_overflow: |
5565 | print_overflow_msg(__func__, xdr); | |
5566 | status = -EIO; | |
5567 | goto out_err; | |
fc01cea9 | 5568 | #else /* CONFIG_NFS_V4_1 */ |
9b7b9fcc | 5569 | return 0; |
fc01cea9 | 5570 | #endif /* CONFIG_NFS_V4_1 */ |
9b7b9fcc AA |
5571 | } |
5572 | ||
b1f69b75 | 5573 | #if defined(CONFIG_NFS_V4_1) |
7f11d8d3 AA |
5574 | /* |
5575 | * TODO: Need to handle case when EOF != true; | |
5576 | */ | |
5577 | static int decode_getdevicelist(struct xdr_stream *xdr, | |
5578 | struct pnfs_devicelist *res) | |
5579 | { | |
5580 | __be32 *p; | |
5581 | int status, i; | |
98d94524 | 5582 | nfs4_verifier verftemp; |
7f11d8d3 AA |
5583 | |
5584 | status = decode_op_hdr(xdr, OP_GETDEVICELIST); | |
5585 | if (status) | |
5586 | return status; | |
5587 | ||
5588 | p = xdr_inline_decode(xdr, 8 + 8 + 4); | |
5589 | if (unlikely(!p)) | |
5590 | goto out_overflow; | |
5591 | ||
5592 | /* TODO: Skip cookie for now */ | |
5593 | p += 2; | |
5594 | ||
5595 | /* Read verifier */ | |
98d94524 | 5596 | p = xdr_decode_opaque_fixed(p, verftemp.data, NFS4_VERIFIER_SIZE); |
7f11d8d3 AA |
5597 | |
5598 | res->num_devs = be32_to_cpup(p); | |
5599 | ||
5600 | dprintk("%s: num_dev %d\n", __func__, res->num_devs); | |
5601 | ||
5602 | if (res->num_devs > NFS4_PNFS_GETDEVLIST_MAXNUM) { | |
a030889a | 5603 | printk(KERN_ERR "NFS: %s too many result dev_num %u\n", |
7f11d8d3 AA |
5604 | __func__, res->num_devs); |
5605 | return -EIO; | |
5606 | } | |
5607 | ||
5608 | p = xdr_inline_decode(xdr, | |
5609 | res->num_devs * NFS4_DEVICEID4_SIZE + 4); | |
5610 | if (unlikely(!p)) | |
5611 | goto out_overflow; | |
5612 | for (i = 0; i < res->num_devs; i++) | |
5613 | p = xdr_decode_opaque_fixed(p, res->dev_id[i].data, | |
5614 | NFS4_DEVICEID4_SIZE); | |
5615 | res->eof = be32_to_cpup(p); | |
5616 | return 0; | |
5617 | out_overflow: | |
5618 | print_overflow_msg(__func__, xdr); | |
5619 | return -EIO; | |
5620 | } | |
b1f69b75 AA |
5621 | |
5622 | static int decode_getdeviceinfo(struct xdr_stream *xdr, | |
5623 | struct pnfs_device *pdev) | |
5624 | { | |
5625 | __be32 *p; | |
5626 | uint32_t len, type; | |
5627 | int status; | |
5628 | ||
5629 | status = decode_op_hdr(xdr, OP_GETDEVICEINFO); | |
5630 | if (status) { | |
5631 | if (status == -ETOOSMALL) { | |
5632 | p = xdr_inline_decode(xdr, 4); | |
5633 | if (unlikely(!p)) | |
5634 | goto out_overflow; | |
5635 | pdev->mincount = be32_to_cpup(p); | |
5636 | dprintk("%s: Min count too small. mincnt = %u\n", | |
5637 | __func__, pdev->mincount); | |
5638 | } | |
5639 | return status; | |
5640 | } | |
5641 | ||
5642 | p = xdr_inline_decode(xdr, 8); | |
5643 | if (unlikely(!p)) | |
5644 | goto out_overflow; | |
5645 | type = be32_to_cpup(p++); | |
5646 | if (type != pdev->layout_type) { | |
5647 | dprintk("%s: layout mismatch req: %u pdev: %u\n", | |
5648 | __func__, pdev->layout_type, type); | |
5649 | return -EINVAL; | |
5650 | } | |
5651 | /* | |
5652 | * Get the length of the opaque device_addr4. xdr_read_pages places | |
5653 | * the opaque device_addr4 in the xdr_buf->pages (pnfs_device->pages) | |
5654 | * and places the remaining xdr data in xdr_buf->tail | |
5655 | */ | |
5656 | pdev->mincount = be32_to_cpup(p); | |
13fe4ba1 TM |
5657 | if (xdr_read_pages(xdr, pdev->mincount) != pdev->mincount) |
5658 | goto out_overflow; | |
b1f69b75 AA |
5659 | |
5660 | /* Parse notification bitmap, verifying that it is zero. */ | |
5661 | p = xdr_inline_decode(xdr, 4); | |
5662 | if (unlikely(!p)) | |
5663 | goto out_overflow; | |
5664 | len = be32_to_cpup(p); | |
5665 | if (len) { | |
ead00597 | 5666 | uint32_t i; |
b1f69b75 AA |
5667 | |
5668 | p = xdr_inline_decode(xdr, 4 * len); | |
5669 | if (unlikely(!p)) | |
5670 | goto out_overflow; | |
5671 | for (i = 0; i < len; i++, p++) { | |
5672 | if (be32_to_cpup(p)) { | |
5673 | dprintk("%s: notifications not supported\n", | |
5674 | __func__); | |
5675 | return -EIO; | |
5676 | } | |
5677 | } | |
5678 | } | |
5679 | return 0; | |
5680 | out_overflow: | |
5681 | print_overflow_msg(__func__, xdr); | |
5682 | return -EIO; | |
5683 | } | |
5684 | ||
5685 | static int decode_layoutget(struct xdr_stream *xdr, struct rpc_rqst *req, | |
5686 | struct nfs4_layoutget_res *res) | |
5687 | { | |
5688 | __be32 *p; | |
5689 | int status; | |
5690 | u32 layout_count; | |
64bd577e | 5691 | u32 recvd; |
b1f69b75 AA |
5692 | |
5693 | status = decode_op_hdr(xdr, OP_LAYOUTGET); | |
5694 | if (status) | |
5695 | return status; | |
ea9d23f5 TM |
5696 | p = xdr_inline_decode(xdr, 4); |
5697 | if (unlikely(!p)) | |
5698 | goto out_overflow; | |
5699 | res->return_on_close = be32_to_cpup(p); | |
5700 | decode_stateid(xdr, &res->stateid); | |
5701 | p = xdr_inline_decode(xdr, 4); | |
b1f69b75 AA |
5702 | if (unlikely(!p)) |
5703 | goto out_overflow; | |
b1f69b75 AA |
5704 | layout_count = be32_to_cpup(p); |
5705 | if (!layout_count) { | |
5706 | dprintk("%s: server responded with empty layout array\n", | |
5707 | __func__); | |
5708 | return -EINVAL; | |
5709 | } | |
5710 | ||
35124a09 | 5711 | p = xdr_inline_decode(xdr, 28); |
b1f69b75 AA |
5712 | if (unlikely(!p)) |
5713 | goto out_overflow; | |
5714 | p = xdr_decode_hyper(p, &res->range.offset); | |
5715 | p = xdr_decode_hyper(p, &res->range.length); | |
5716 | res->range.iomode = be32_to_cpup(p++); | |
5717 | res->type = be32_to_cpup(p++); | |
35124a09 | 5718 | res->layoutp->len = be32_to_cpup(p); |
b1f69b75 AA |
5719 | |
5720 | dprintk("%s roff:%lu rlen:%lu riomode:%d, lo_type:0x%x, lo.len:%d\n", | |
5721 | __func__, | |
5722 | (unsigned long)res->range.offset, | |
5723 | (unsigned long)res->range.length, | |
5724 | res->range.iomode, | |
5725 | res->type, | |
35124a09 WAA |
5726 | res->layoutp->len); |
5727 | ||
64bd577e | 5728 | recvd = xdr_read_pages(xdr, res->layoutp->len); |
35124a09 WAA |
5729 | if (res->layoutp->len > recvd) { |
5730 | dprintk("NFS: server cheating in layoutget reply: " | |
5731 | "layout len %u > recvd %u\n", | |
5732 | res->layoutp->len, recvd); | |
5733 | return -EINVAL; | |
5734 | } | |
b1f69b75 | 5735 | |
b1f69b75 AA |
5736 | if (layout_count > 1) { |
5737 | /* We only handle a length one array at the moment. Any | |
5738 | * further entries are just ignored. Note that this means | |
5739 | * the client may see a response that is less than the | |
5740 | * minimum it requested. | |
5741 | */ | |
5742 | dprintk("%s: server responded with %d layouts, dropping tail\n", | |
5743 | __func__, layout_count); | |
5744 | } | |
5745 | ||
5746 | return 0; | |
5747 | out_overflow: | |
5748 | print_overflow_msg(__func__, xdr); | |
5749 | return -EIO; | |
5750 | } | |
863a3c6c | 5751 | |
cbe82603 BH |
5752 | static int decode_layoutreturn(struct xdr_stream *xdr, |
5753 | struct nfs4_layoutreturn_res *res) | |
5754 | { | |
5755 | __be32 *p; | |
5756 | int status; | |
5757 | ||
5758 | status = decode_op_hdr(xdr, OP_LAYOUTRETURN); | |
5759 | if (status) | |
5760 | return status; | |
5761 | p = xdr_inline_decode(xdr, 4); | |
5762 | if (unlikely(!p)) | |
5763 | goto out_overflow; | |
5764 | res->lrs_present = be32_to_cpup(p); | |
5765 | if (res->lrs_present) | |
5766 | status = decode_stateid(xdr, &res->stateid); | |
5767 | return status; | |
5768 | out_overflow: | |
5769 | print_overflow_msg(__func__, xdr); | |
5770 | return -EIO; | |
5771 | } | |
5772 | ||
863a3c6c AA |
5773 | static int decode_layoutcommit(struct xdr_stream *xdr, |
5774 | struct rpc_rqst *req, | |
5775 | struct nfs4_layoutcommit_res *res) | |
5776 | { | |
5777 | __be32 *p; | |
5778 | __u32 sizechanged; | |
5779 | int status; | |
5780 | ||
5781 | status = decode_op_hdr(xdr, OP_LAYOUTCOMMIT); | |
db29c089 | 5782 | res->status = status; |
863a3c6c AA |
5783 | if (status) |
5784 | return status; | |
5785 | ||
5786 | p = xdr_inline_decode(xdr, 4); | |
5787 | if (unlikely(!p)) | |
5788 | goto out_overflow; | |
5789 | sizechanged = be32_to_cpup(p); | |
5790 | ||
5791 | if (sizechanged) { | |
5792 | /* throw away new size */ | |
5793 | p = xdr_inline_decode(xdr, 8); | |
5794 | if (unlikely(!p)) | |
5795 | goto out_overflow; | |
5796 | } | |
5797 | return 0; | |
5798 | out_overflow: | |
5799 | print_overflow_msg(__func__, xdr); | |
5800 | return -EIO; | |
5801 | } | |
7d974794 BS |
5802 | |
5803 | static int decode_test_stateid(struct xdr_stream *xdr, | |
5804 | struct nfs41_test_stateid_res *res) | |
5805 | { | |
5806 | __be32 *p; | |
5807 | int status; | |
5808 | int num_res; | |
5809 | ||
5810 | status = decode_op_hdr(xdr, OP_TEST_STATEID); | |
5811 | if (status) | |
5812 | return status; | |
5813 | ||
5814 | p = xdr_inline_decode(xdr, 4); | |
5815 | if (unlikely(!p)) | |
5816 | goto out_overflow; | |
5817 | num_res = be32_to_cpup(p++); | |
5818 | if (num_res != 1) | |
5819 | goto out; | |
5820 | ||
5821 | p = xdr_inline_decode(xdr, 4); | |
5822 | if (unlikely(!p)) | |
5823 | goto out_overflow; | |
5824 | res->status = be32_to_cpup(p++); | |
1cab0652 BS |
5825 | |
5826 | return status; | |
7d974794 BS |
5827 | out_overflow: |
5828 | print_overflow_msg(__func__, xdr); | |
5829 | out: | |
5830 | return -EIO; | |
5831 | } | |
9aeda35f BS |
5832 | |
5833 | static int decode_free_stateid(struct xdr_stream *xdr, | |
5834 | struct nfs41_free_stateid_res *res) | |
5835 | { | |
5836 | __be32 *p; | |
5837 | int status; | |
5838 | ||
5839 | status = decode_op_hdr(xdr, OP_FREE_STATEID); | |
5840 | if (status) | |
5841 | return status; | |
5842 | ||
5843 | p = xdr_inline_decode(xdr, 4); | |
5844 | if (unlikely(!p)) | |
5845 | goto out_overflow; | |
5846 | res->status = be32_to_cpup(p++); | |
5847 | return res->status; | |
5848 | out_overflow: | |
5849 | print_overflow_msg(__func__, xdr); | |
5850 | return -EIO; | |
5851 | } | |
b1f69b75 AA |
5852 | #endif /* CONFIG_NFS_V4_1 */ |
5853 | ||
49c2559e BH |
5854 | /* |
5855 | * END OF "GENERIC" DECODE ROUTINES. | |
5856 | */ | |
5857 | ||
1da177e4 LT |
5858 | /* |
5859 | * Decode OPEN_DOWNGRADE response | |
5860 | */ | |
bf269551 CL |
5861 | static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst *rqstp, |
5862 | struct xdr_stream *xdr, | |
5863 | struct nfs_closeres *res) | |
1da177e4 | 5864 | { |
05d564fe AA |
5865 | struct compound_hdr hdr; |
5866 | int status; | |
5867 | ||
bf269551 | 5868 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5869 | if (status) |
5870 | goto out; | |
bf269551 | 5871 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
5872 | if (status) |
5873 | goto out; | |
bf269551 | 5874 | status = decode_putfh(xdr); |
05d564fe AA |
5875 | if (status) |
5876 | goto out; | |
bf269551 | 5877 | status = decode_open_downgrade(xdr, res); |
516a6af6 TM |
5878 | if (status != 0) |
5879 | goto out; | |
6926afd1 | 5880 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 | 5881 | out: |
05d564fe | 5882 | return status; |
1da177e4 LT |
5883 | } |
5884 | ||
1da177e4 LT |
5885 | /* |
5886 | * Decode ACCESS response | |
5887 | */ | |
bf269551 CL |
5888 | static int nfs4_xdr_dec_access(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5889 | struct nfs4_accessres *res) | |
1da177e4 | 5890 | { |
1da177e4 LT |
5891 | struct compound_hdr hdr; |
5892 | int status; | |
6c0195a4 | 5893 | |
bf269551 | 5894 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5895 | if (status) |
5896 | goto out; | |
bf269551 | 5897 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5898 | if (status) |
1da177e4 | 5899 | goto out; |
bf269551 | 5900 | status = decode_putfh(xdr); |
76b32999 TM |
5901 | if (status != 0) |
5902 | goto out; | |
6168f62c | 5903 | status = decode_access(xdr, &res->supported, &res->access); |
76b32999 TM |
5904 | if (status != 0) |
5905 | goto out; | |
6926afd1 | 5906 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
5907 | out: |
5908 | return status; | |
5909 | } | |
5910 | ||
5911 | /* | |
5912 | * Decode LOOKUP response | |
5913 | */ | |
bf269551 CL |
5914 | static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5915 | struct nfs4_lookup_res *res) | |
1da177e4 | 5916 | { |
1da177e4 LT |
5917 | struct compound_hdr hdr; |
5918 | int status; | |
6c0195a4 | 5919 | |
bf269551 | 5920 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5921 | if (status) |
5922 | goto out; | |
bf269551 | 5923 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5924 | if (status) |
1da177e4 | 5925 | goto out; |
bf269551 CL |
5926 | status = decode_putfh(xdr); |
5927 | if (status) | |
1da177e4 | 5928 | goto out; |
bf269551 CL |
5929 | status = decode_lookup(xdr); |
5930 | if (status) | |
1da177e4 | 5931 | goto out; |
bf269551 CL |
5932 | status = decode_getfh(xdr, res->fh); |
5933 | if (status) | |
1da177e4 | 5934 | goto out; |
6926afd1 | 5935 | status = decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
5936 | out: |
5937 | return status; | |
5938 | } | |
5939 | ||
5940 | /* | |
5941 | * Decode LOOKUP_ROOT response | |
5942 | */ | |
bf269551 CL |
5943 | static int nfs4_xdr_dec_lookup_root(struct rpc_rqst *rqstp, |
5944 | struct xdr_stream *xdr, | |
5945 | struct nfs4_lookup_res *res) | |
1da177e4 | 5946 | { |
1da177e4 LT |
5947 | struct compound_hdr hdr; |
5948 | int status; | |
6c0195a4 | 5949 | |
bf269551 | 5950 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5951 | if (status) |
5952 | goto out; | |
bf269551 | 5953 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5954 | if (status) |
1da177e4 | 5955 | goto out; |
bf269551 CL |
5956 | status = decode_putrootfh(xdr); |
5957 | if (status) | |
1da177e4 | 5958 | goto out; |
bf269551 CL |
5959 | status = decode_getfh(xdr, res->fh); |
5960 | if (status == 0) | |
6926afd1 | 5961 | status = decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
5962 | out: |
5963 | return status; | |
5964 | } | |
5965 | ||
5966 | /* | |
5967 | * Decode REMOVE response | |
5968 | */ | |
bf269551 CL |
5969 | static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5970 | struct nfs_removeres *res) | |
1da177e4 | 5971 | { |
1da177e4 LT |
5972 | struct compound_hdr hdr; |
5973 | int status; | |
6c0195a4 | 5974 | |
bf269551 | 5975 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5976 | if (status) |
5977 | goto out; | |
bf269551 | 5978 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5979 | if (status) |
1da177e4 | 5980 | goto out; |
bf269551 CL |
5981 | status = decode_putfh(xdr); |
5982 | if (status) | |
16e42959 | 5983 | goto out; |
bf269551 | 5984 | status = decode_remove(xdr, &res->cinfo); |
1da177e4 LT |
5985 | out: |
5986 | return status; | |
5987 | } | |
5988 | ||
5989 | /* | |
5990 | * Decode RENAME response | |
5991 | */ | |
bf269551 CL |
5992 | static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5993 | struct nfs_renameres *res) | |
1da177e4 | 5994 | { |
1da177e4 LT |
5995 | struct compound_hdr hdr; |
5996 | int status; | |
6c0195a4 | 5997 | |
bf269551 | 5998 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5999 | if (status) |
6000 | goto out; | |
bf269551 | 6001 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6002 | if (status) |
1da177e4 | 6003 | goto out; |
bf269551 CL |
6004 | status = decode_putfh(xdr); |
6005 | if (status) | |
1da177e4 | 6006 | goto out; |
bf269551 CL |
6007 | status = decode_savefh(xdr); |
6008 | if (status) | |
1da177e4 | 6009 | goto out; |
bf269551 CL |
6010 | status = decode_putfh(xdr); |
6011 | if (status) | |
1da177e4 | 6012 | goto out; |
bf269551 | 6013 | status = decode_rename(xdr, &res->old_cinfo, &res->new_cinfo); |
1da177e4 LT |
6014 | out: |
6015 | return status; | |
6016 | } | |
6017 | ||
6018 | /* | |
6019 | * Decode LINK response | |
6020 | */ | |
bf269551 CL |
6021 | static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6022 | struct nfs4_link_res *res) | |
1da177e4 | 6023 | { |
1da177e4 LT |
6024 | struct compound_hdr hdr; |
6025 | int status; | |
6c0195a4 | 6026 | |
bf269551 | 6027 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6028 | if (status) |
6029 | goto out; | |
bf269551 | 6030 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6031 | if (status) |
1da177e4 | 6032 | goto out; |
bf269551 CL |
6033 | status = decode_putfh(xdr); |
6034 | if (status) | |
1da177e4 | 6035 | goto out; |
bf269551 CL |
6036 | status = decode_savefh(xdr); |
6037 | if (status) | |
1da177e4 | 6038 | goto out; |
bf269551 CL |
6039 | status = decode_putfh(xdr); |
6040 | if (status) | |
1da177e4 | 6041 | goto out; |
bf269551 CL |
6042 | status = decode_link(xdr, &res->cinfo); |
6043 | if (status) | |
91ba2eee TM |
6044 | goto out; |
6045 | /* | |
6046 | * Note order: OP_LINK leaves the directory as the current | |
6047 | * filehandle. | |
6048 | */ | |
bf269551 CL |
6049 | status = decode_restorefh(xdr); |
6050 | if (status) | |
91ba2eee | 6051 | goto out; |
6926afd1 | 6052 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6053 | out: |
6054 | return status; | |
6055 | } | |
6056 | ||
6057 | /* | |
6058 | * Decode CREATE response | |
6059 | */ | |
bf269551 CL |
6060 | static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6061 | struct nfs4_create_res *res) | |
1da177e4 | 6062 | { |
1da177e4 LT |
6063 | struct compound_hdr hdr; |
6064 | int status; | |
6c0195a4 | 6065 | |
bf269551 | 6066 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6067 | if (status) |
6068 | goto out; | |
bf269551 | 6069 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6070 | if (status) |
1da177e4 | 6071 | goto out; |
bf269551 | 6072 | status = decode_putfh(xdr); |
bf269551 | 6073 | if (status) |
56ae19f3 | 6074 | goto out; |
bf269551 CL |
6075 | status = decode_create(xdr, &res->dir_cinfo); |
6076 | if (status) | |
1da177e4 | 6077 | goto out; |
bf269551 CL |
6078 | status = decode_getfh(xdr, res->fh); |
6079 | if (status) | |
1da177e4 | 6080 | goto out; |
7c317fcf | 6081 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6082 | out: |
6083 | return status; | |
6084 | } | |
6085 | ||
6086 | /* | |
6087 | * Decode SYMLINK response | |
6088 | */ | |
bf269551 CL |
6089 | static int nfs4_xdr_dec_symlink(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6090 | struct nfs4_create_res *res) | |
1da177e4 | 6091 | { |
bf269551 | 6092 | return nfs4_xdr_dec_create(rqstp, xdr, res); |
1da177e4 LT |
6093 | } |
6094 | ||
6095 | /* | |
6096 | * Decode GETATTR response | |
6097 | */ | |
bf269551 CL |
6098 | static int nfs4_xdr_dec_getattr(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6099 | struct nfs4_getattr_res *res) | |
1da177e4 | 6100 | { |
1da177e4 LT |
6101 | struct compound_hdr hdr; |
6102 | int status; | |
6c0195a4 | 6103 | |
bf269551 | 6104 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6105 | if (status) |
6106 | goto out; | |
bf269551 | 6107 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6108 | if (status) |
6109 | goto out; | |
bf269551 | 6110 | status = decode_putfh(xdr); |
1da177e4 LT |
6111 | if (status) |
6112 | goto out; | |
6926afd1 | 6113 | status = decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6114 | out: |
6115 | return status; | |
1da177e4 LT |
6116 | } |
6117 | ||
23ec6965 BF |
6118 | /* |
6119 | * Encode an SETACL request | |
6120 | */ | |
9f06c719 CL |
6121 | static void nfs4_xdr_enc_setacl(struct rpc_rqst *req, struct xdr_stream *xdr, |
6122 | struct nfs_setaclargs *args) | |
23ec6965 | 6123 | { |
05d564fe | 6124 | struct compound_hdr hdr = { |
66cc0429 | 6125 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 6126 | }; |
05d564fe | 6127 | |
9f06c719 CL |
6128 | encode_compound_hdr(xdr, req, &hdr); |
6129 | encode_sequence(xdr, &args->seq_args, &hdr); | |
6130 | encode_putfh(xdr, args->fh, &hdr); | |
6131 | encode_setacl(xdr, args, &hdr); | |
d017931c | 6132 | encode_nops(&hdr); |
23ec6965 | 6133 | } |
05d564fe | 6134 | |
23ec6965 BF |
6135 | /* |
6136 | * Decode SETACL response | |
6137 | */ | |
6138 | static int | |
bf269551 | 6139 | nfs4_xdr_dec_setacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
73c403a9 | 6140 | struct nfs_setaclres *res) |
23ec6965 | 6141 | { |
23ec6965 BF |
6142 | struct compound_hdr hdr; |
6143 | int status; | |
6144 | ||
bf269551 | 6145 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6146 | if (status) |
6147 | goto out; | |
bf269551 | 6148 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
23ec6965 BF |
6149 | if (status) |
6150 | goto out; | |
bf269551 | 6151 | status = decode_putfh(xdr); |
23ec6965 BF |
6152 | if (status) |
6153 | goto out; | |
bf269551 | 6154 | status = decode_setattr(xdr); |
23ec6965 BF |
6155 | out: |
6156 | return status; | |
6157 | } | |
1da177e4 | 6158 | |
029d105e BF |
6159 | /* |
6160 | * Decode GETACL response | |
6161 | */ | |
6162 | static int | |
bf269551 | 6163 | nfs4_xdr_dec_getacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
663c79b3 | 6164 | struct nfs_getaclres *res) |
029d105e | 6165 | { |
029d105e BF |
6166 | struct compound_hdr hdr; |
6167 | int status; | |
6168 | ||
331818f1 TM |
6169 | if (res->acl_scratch != NULL) { |
6170 | void *p = page_address(res->acl_scratch); | |
6171 | xdr_set_scratch_buffer(xdr, p, PAGE_SIZE); | |
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); |
029d105e BF |
6177 | if (status) |
6178 | goto out; | |
bf269551 | 6179 | status = decode_putfh(xdr); |
029d105e BF |
6180 | if (status) |
6181 | goto out; | |
bf118a34 | 6182 | status = decode_getacl(xdr, rqstp, res); |
029d105e BF |
6183 | |
6184 | out: | |
6185 | return status; | |
6186 | } | |
6187 | ||
1da177e4 LT |
6188 | /* |
6189 | * Decode CLOSE response | |
6190 | */ | |
bf269551 CL |
6191 | static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6192 | struct nfs_closeres *res) | |
1da177e4 | 6193 | { |
05d564fe AA |
6194 | struct compound_hdr hdr; |
6195 | int status; | |
6196 | ||
bf269551 | 6197 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6198 | if (status) |
6199 | goto out; | |
bf269551 | 6200 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6201 | if (status) |
6202 | goto out; | |
bf269551 | 6203 | status = decode_putfh(xdr); |
05d564fe AA |
6204 | if (status) |
6205 | goto out; | |
bf269551 | 6206 | status = decode_close(xdr, res); |
516a6af6 TM |
6207 | if (status != 0) |
6208 | goto out; | |
6209 | /* | |
6210 | * Note: Server may do delete on close for this file | |
6211 | * in which case the getattr call will fail with | |
6212 | * an ESTALE error. Shouldn't be a problem, | |
6213 | * though, since fattr->valid will remain unset. | |
6214 | */ | |
6926afd1 | 6215 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 | 6216 | out: |
05d564fe | 6217 | return status; |
1da177e4 LT |
6218 | } |
6219 | ||
6220 | /* | |
6221 | * Decode OPEN response | |
6222 | */ | |
bf269551 CL |
6223 | static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6224 | struct nfs_openres *res) | |
1da177e4 | 6225 | { |
05d564fe AA |
6226 | struct compound_hdr hdr; |
6227 | int status; | |
6228 | ||
bf269551 | 6229 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6230 | if (status) |
6231 | goto out; | |
bf269551 | 6232 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6233 | if (status) |
6234 | goto out; | |
bf269551 | 6235 | status = decode_putfh(xdr); |
05d564fe AA |
6236 | if (status) |
6237 | goto out; | |
bf269551 | 6238 | status = decode_open(xdr, res); |
56ae19f3 TM |
6239 | if (status) |
6240 | goto out; | |
01913b49 WAA |
6241 | status = decode_getfh(xdr, &res->fh); |
6242 | if (status) | |
1da177e4 | 6243 | goto out; |
ae2bb032 WAA |
6244 | if (res->access_request) |
6245 | decode_access(xdr, &res->access_supported, &res->access_result); | |
90ff0c54 | 6246 | decode_getfattr(xdr, res->f_attr, res->server); |
1da177e4 | 6247 | out: |
05d564fe | 6248 | return status; |
1da177e4 LT |
6249 | } |
6250 | ||
6251 | /* | |
6252 | * Decode OPEN_CONFIRM response | |
6253 | */ | |
bf269551 CL |
6254 | static int nfs4_xdr_dec_open_confirm(struct rpc_rqst *rqstp, |
6255 | struct xdr_stream *xdr, | |
6256 | struct nfs_open_confirmres *res) | |
1da177e4 | 6257 | { |
05d564fe AA |
6258 | struct compound_hdr hdr; |
6259 | int status; | |
6260 | ||
bf269551 | 6261 | status = decode_compound_hdr(xdr, &hdr); |
05d564fe AA |
6262 | if (status) |
6263 | goto out; | |
bf269551 | 6264 | status = decode_putfh(xdr); |
05d564fe AA |
6265 | if (status) |
6266 | goto out; | |
bf269551 | 6267 | status = decode_open_confirm(xdr, res); |
1da177e4 | 6268 | out: |
05d564fe | 6269 | return status; |
1da177e4 LT |
6270 | } |
6271 | ||
6272 | /* | |
6273 | * Decode OPEN response | |
6274 | */ | |
bf269551 CL |
6275 | static int nfs4_xdr_dec_open_noattr(struct rpc_rqst *rqstp, |
6276 | struct xdr_stream *xdr, | |
6277 | struct nfs_openres *res) | |
1da177e4 | 6278 | { |
05d564fe AA |
6279 | struct compound_hdr hdr; |
6280 | int status; | |
6281 | ||
bf269551 | 6282 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6283 | if (status) |
6284 | goto out; | |
bf269551 | 6285 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6286 | if (status) |
6287 | goto out; | |
bf269551 | 6288 | status = decode_putfh(xdr); |
05d564fe AA |
6289 | if (status) |
6290 | goto out; | |
bf269551 | 6291 | status = decode_open(xdr, res); |
05d564fe AA |
6292 | if (status) |
6293 | goto out; | |
ae2bb032 WAA |
6294 | if (res->access_request) |
6295 | decode_access(xdr, &res->access_supported, &res->access_result); | |
6926afd1 | 6296 | decode_getfattr(xdr, res->f_attr, res->server); |
1da177e4 | 6297 | out: |
05d564fe | 6298 | return status; |
1da177e4 LT |
6299 | } |
6300 | ||
6301 | /* | |
6302 | * Decode SETATTR response | |
6303 | */ | |
bf269551 CL |
6304 | static int nfs4_xdr_dec_setattr(struct rpc_rqst *rqstp, |
6305 | struct xdr_stream *xdr, | |
6306 | struct nfs_setattrres *res) | |
1da177e4 | 6307 | { |
05d564fe AA |
6308 | struct compound_hdr hdr; |
6309 | int status; | |
6310 | ||
bf269551 | 6311 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6312 | if (status) |
6313 | goto out; | |
bf269551 | 6314 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6315 | if (status) |
6316 | goto out; | |
bf269551 | 6317 | status = decode_putfh(xdr); |
05d564fe AA |
6318 | if (status) |
6319 | goto out; | |
bf269551 | 6320 | status = decode_setattr(xdr); |
05d564fe AA |
6321 | if (status) |
6322 | goto out; | |
6926afd1 | 6323 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 | 6324 | out: |
05d564fe | 6325 | return status; |
1da177e4 LT |
6326 | } |
6327 | ||
6328 | /* | |
6329 | * Decode LOCK response | |
6330 | */ | |
bf269551 CL |
6331 | static int nfs4_xdr_dec_lock(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6332 | struct nfs_lock_res *res) | |
1da177e4 | 6333 | { |
1da177e4 LT |
6334 | struct compound_hdr hdr; |
6335 | int status; | |
6336 | ||
bf269551 | 6337 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6338 | if (status) |
6339 | goto out; | |
bf269551 | 6340 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6341 | if (status) |
6342 | goto out; | |
bf269551 | 6343 | status = decode_putfh(xdr); |
1da177e4 LT |
6344 | if (status) |
6345 | goto out; | |
bf269551 | 6346 | status = decode_lock(xdr, res); |
1da177e4 LT |
6347 | out: |
6348 | return status; | |
6349 | } | |
6350 | ||
6351 | /* | |
6352 | * Decode LOCKT response | |
6353 | */ | |
bf269551 CL |
6354 | static int nfs4_xdr_dec_lockt(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6355 | struct nfs_lockt_res *res) | |
1da177e4 | 6356 | { |
1da177e4 LT |
6357 | struct compound_hdr hdr; |
6358 | int status; | |
6359 | ||
bf269551 | 6360 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6361 | if (status) |
6362 | goto out; | |
bf269551 | 6363 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6364 | if (status) |
6365 | goto out; | |
bf269551 | 6366 | status = decode_putfh(xdr); |
1da177e4 LT |
6367 | if (status) |
6368 | goto out; | |
bf269551 | 6369 | status = decode_lockt(xdr, res); |
1da177e4 LT |
6370 | out: |
6371 | return status; | |
6372 | } | |
6373 | ||
6374 | /* | |
6375 | * Decode LOCKU response | |
6376 | */ | |
bf269551 CL |
6377 | static int nfs4_xdr_dec_locku(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6378 | struct nfs_locku_res *res) | |
1da177e4 | 6379 | { |
1da177e4 LT |
6380 | struct compound_hdr hdr; |
6381 | int status; | |
6382 | ||
bf269551 | 6383 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6384 | if (status) |
6385 | goto out; | |
bf269551 | 6386 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6387 | if (status) |
6388 | goto out; | |
bf269551 | 6389 | status = decode_putfh(xdr); |
1da177e4 LT |
6390 | if (status) |
6391 | goto out; | |
bf269551 | 6392 | status = decode_locku(xdr, res); |
1da177e4 LT |
6393 | out: |
6394 | return status; | |
6395 | } | |
6396 | ||
bf269551 CL |
6397 | static int nfs4_xdr_dec_release_lockowner(struct rpc_rqst *rqstp, |
6398 | struct xdr_stream *xdr, void *dummy) | |
d3c7b7cc | 6399 | { |
d3c7b7cc TM |
6400 | struct compound_hdr hdr; |
6401 | int status; | |
6402 | ||
bf269551 | 6403 | status = decode_compound_hdr(xdr, &hdr); |
d3c7b7cc | 6404 | if (!status) |
bf269551 | 6405 | status = decode_release_lockowner(xdr); |
d3c7b7cc TM |
6406 | return status; |
6407 | } | |
6408 | ||
1da177e4 LT |
6409 | /* |
6410 | * Decode READLINK response | |
6411 | */ | |
bf269551 CL |
6412 | static int nfs4_xdr_dec_readlink(struct rpc_rqst *rqstp, |
6413 | struct xdr_stream *xdr, | |
f50c7000 | 6414 | struct nfs4_readlink_res *res) |
1da177e4 | 6415 | { |
1da177e4 LT |
6416 | struct compound_hdr hdr; |
6417 | int status; | |
6418 | ||
bf269551 | 6419 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6420 | if (status) |
6421 | goto out; | |
bf269551 | 6422 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6423 | if (status) |
6424 | goto out; | |
bf269551 | 6425 | status = decode_putfh(xdr); |
1da177e4 LT |
6426 | if (status) |
6427 | goto out; | |
bf269551 | 6428 | status = decode_readlink(xdr, rqstp); |
1da177e4 LT |
6429 | out: |
6430 | return status; | |
6431 | } | |
6432 | ||
6433 | /* | |
6434 | * Decode READDIR response | |
6435 | */ | |
bf269551 CL |
6436 | static int nfs4_xdr_dec_readdir(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6437 | struct nfs4_readdir_res *res) | |
1da177e4 | 6438 | { |
1da177e4 LT |
6439 | struct compound_hdr hdr; |
6440 | int status; | |
6441 | ||
bf269551 | 6442 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6443 | if (status) |
6444 | goto out; | |
bf269551 | 6445 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6446 | if (status) |
6447 | goto out; | |
bf269551 | 6448 | status = decode_putfh(xdr); |
1da177e4 LT |
6449 | if (status) |
6450 | goto out; | |
bf269551 | 6451 | status = decode_readdir(xdr, rqstp, res); |
1da177e4 LT |
6452 | out: |
6453 | return status; | |
6454 | } | |
6455 | ||
6456 | /* | |
6457 | * Decode Read response | |
6458 | */ | |
bf269551 CL |
6459 | static int nfs4_xdr_dec_read(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6460 | struct nfs_readres *res) | |
1da177e4 | 6461 | { |
1da177e4 LT |
6462 | struct compound_hdr hdr; |
6463 | int status; | |
6464 | ||
bf269551 | 6465 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6466 | if (status) |
6467 | goto out; | |
bf269551 | 6468 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6469 | if (status) |
6470 | goto out; | |
bf269551 | 6471 | status = decode_putfh(xdr); |
1da177e4 LT |
6472 | if (status) |
6473 | goto out; | |
bf269551 | 6474 | status = decode_read(xdr, rqstp, res); |
1da177e4 LT |
6475 | if (!status) |
6476 | status = res->count; | |
6477 | out: | |
6478 | return status; | |
6479 | } | |
6480 | ||
6481 | /* | |
6482 | * Decode WRITE response | |
6483 | */ | |
bf269551 CL |
6484 | static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6485 | struct nfs_writeres *res) | |
1da177e4 | 6486 | { |
1da177e4 LT |
6487 | struct compound_hdr hdr; |
6488 | int status; | |
6489 | ||
bf269551 | 6490 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6491 | if (status) |
6492 | goto out; | |
bf269551 | 6493 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6494 | if (status) |
6495 | goto out; | |
bf269551 | 6496 | status = decode_putfh(xdr); |
1da177e4 LT |
6497 | if (status) |
6498 | goto out; | |
bf269551 | 6499 | status = decode_write(xdr, res); |
4f9838c7 TM |
6500 | if (status) |
6501 | goto out; | |
7ffd1064 | 6502 | if (res->fattr) |
6926afd1 | 6503 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6504 | if (!status) |
6505 | status = res->count; | |
6506 | out: | |
6507 | return status; | |
6508 | } | |
6509 | ||
6510 | /* | |
6511 | * Decode COMMIT response | |
6512 | */ | |
bf269551 | 6513 | static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
0b7c0153 | 6514 | struct nfs_commitres *res) |
1da177e4 | 6515 | { |
1da177e4 LT |
6516 | struct compound_hdr hdr; |
6517 | int status; | |
6518 | ||
bf269551 | 6519 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6520 | if (status) |
6521 | goto out; | |
bf269551 | 6522 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6523 | if (status) |
6524 | goto out; | |
bf269551 | 6525 | status = decode_putfh(xdr); |
1da177e4 LT |
6526 | if (status) |
6527 | goto out; | |
bf269551 | 6528 | status = decode_commit(xdr, res); |
1da177e4 LT |
6529 | out: |
6530 | return status; | |
6531 | } | |
6532 | ||
6533 | /* | |
8b173218 | 6534 | * Decode FSINFO response |
1da177e4 | 6535 | */ |
bf269551 | 6536 | static int nfs4_xdr_dec_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, |
3dda5e43 | 6537 | struct nfs4_fsinfo_res *res) |
1da177e4 | 6538 | { |
1da177e4 LT |
6539 | struct compound_hdr hdr; |
6540 | int status; | |
6541 | ||
bf269551 | 6542 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6543 | if (!status) |
bf269551 | 6544 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6545 | if (!status) |
bf269551 | 6546 | status = decode_putfh(xdr); |
1da177e4 | 6547 | if (!status) |
bf269551 | 6548 | status = decode_fsinfo(xdr, res->fsinfo); |
1da177e4 LT |
6549 | return status; |
6550 | } | |
6551 | ||
6552 | /* | |
8b173218 | 6553 | * Decode PATHCONF response |
1da177e4 | 6554 | */ |
bf269551 | 6555 | static int nfs4_xdr_dec_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, |
d45b2989 | 6556 | struct nfs4_pathconf_res *res) |
1da177e4 | 6557 | { |
1da177e4 LT |
6558 | struct compound_hdr hdr; |
6559 | int status; | |
6560 | ||
bf269551 | 6561 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6562 | if (!status) |
bf269551 | 6563 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6564 | if (!status) |
bf269551 | 6565 | status = decode_putfh(xdr); |
1da177e4 | 6566 | if (!status) |
bf269551 | 6567 | status = decode_pathconf(xdr, res->pathconf); |
1da177e4 LT |
6568 | return status; |
6569 | } | |
6570 | ||
6571 | /* | |
8b173218 | 6572 | * Decode STATFS response |
1da177e4 | 6573 | */ |
bf269551 | 6574 | static int nfs4_xdr_dec_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, |
24ad148a | 6575 | struct nfs4_statfs_res *res) |
1da177e4 | 6576 | { |
1da177e4 LT |
6577 | struct compound_hdr hdr; |
6578 | int status; | |
6579 | ||
bf269551 | 6580 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6581 | if (!status) |
bf269551 | 6582 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6583 | if (!status) |
bf269551 | 6584 | status = decode_putfh(xdr); |
1da177e4 | 6585 | if (!status) |
bf269551 | 6586 | status = decode_statfs(xdr, res->fsstat); |
1da177e4 LT |
6587 | return status; |
6588 | } | |
6589 | ||
6590 | /* | |
8b173218 | 6591 | * Decode GETATTR_BITMAP response |
1da177e4 | 6592 | */ |
bf269551 CL |
6593 | static int nfs4_xdr_dec_server_caps(struct rpc_rqst *req, |
6594 | struct xdr_stream *xdr, | |
6595 | struct nfs4_server_caps_res *res) | |
1da177e4 | 6596 | { |
1da177e4 LT |
6597 | struct compound_hdr hdr; |
6598 | int status; | |
6599 | ||
bf269551 | 6600 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6601 | if (status) |
6602 | goto out; | |
bf269551 | 6603 | status = decode_sequence(xdr, &res->seq_res, req); |
9b7b9fcc | 6604 | if (status) |
1da177e4 | 6605 | goto out; |
bf269551 CL |
6606 | status = decode_putfh(xdr); |
6607 | if (status) | |
1da177e4 | 6608 | goto out; |
bf269551 | 6609 | status = decode_server_caps(xdr, res); |
1da177e4 LT |
6610 | out: |
6611 | return status; | |
6612 | } | |
6613 | ||
6614 | /* | |
6615 | * Decode RENEW response | |
6616 | */ | |
bf269551 CL |
6617 | static int nfs4_xdr_dec_renew(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6618 | void *__unused) | |
1da177e4 | 6619 | { |
1da177e4 LT |
6620 | struct compound_hdr hdr; |
6621 | int status; | |
6622 | ||
bf269551 | 6623 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6624 | if (!status) |
bf269551 | 6625 | status = decode_renew(xdr); |
1da177e4 LT |
6626 | return status; |
6627 | } | |
6628 | ||
6629 | /* | |
8b173218 | 6630 | * Decode SETCLIENTID response |
1da177e4 | 6631 | */ |
bf269551 CL |
6632 | static int nfs4_xdr_dec_setclientid(struct rpc_rqst *req, |
6633 | struct xdr_stream *xdr, | |
6634 | struct nfs4_setclientid_res *res) | |
1da177e4 | 6635 | { |
1da177e4 LT |
6636 | struct compound_hdr hdr; |
6637 | int status; | |
6638 | ||
bf269551 | 6639 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6640 | if (!status) |
bf269551 | 6641 | status = decode_setclientid(xdr, res); |
1da177e4 LT |
6642 | return status; |
6643 | } | |
6644 | ||
6645 | /* | |
8b173218 | 6646 | * Decode SETCLIENTID_CONFIRM response |
1da177e4 | 6647 | */ |
bf269551 CL |
6648 | static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst *req, |
6649 | struct xdr_stream *xdr, | |
6650 | struct nfs_fsinfo *fsinfo) | |
1da177e4 | 6651 | { |
1da177e4 LT |
6652 | struct compound_hdr hdr; |
6653 | int status; | |
6654 | ||
bf269551 | 6655 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6656 | if (!status) |
bf269551 | 6657 | status = decode_setclientid_confirm(xdr); |
1da177e4 | 6658 | if (!status) |
bf269551 | 6659 | status = decode_putrootfh(xdr); |
1da177e4 | 6660 | if (!status) |
bf269551 | 6661 | status = decode_fsinfo(xdr, fsinfo); |
1da177e4 LT |
6662 | return status; |
6663 | } | |
6664 | ||
6665 | /* | |
8b173218 | 6666 | * Decode DELEGRETURN response |
1da177e4 | 6667 | */ |
bf269551 CL |
6668 | static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, |
6669 | struct xdr_stream *xdr, | |
6670 | struct nfs4_delegreturnres *res) | |
1da177e4 | 6671 | { |
1da177e4 LT |
6672 | struct compound_hdr hdr; |
6673 | int status; | |
6674 | ||
bf269551 | 6675 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6676 | if (status) |
6677 | goto out; | |
bf269551 | 6678 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6679 | if (status) |
fa178f29 | 6680 | goto out; |
bf269551 | 6681 | status = decode_putfh(xdr); |
fa178f29 TM |
6682 | if (status != 0) |
6683 | goto out; | |
e144cbcc | 6684 | status = decode_getfattr(xdr, res->fattr, res->server); |
556ae3bb JL |
6685 | if (status != 0) |
6686 | goto out; | |
e144cbcc | 6687 | status = decode_delegreturn(xdr); |
fa178f29 | 6688 | out: |
1da177e4 LT |
6689 | return status; |
6690 | } | |
6691 | ||
683b57b4 | 6692 | /* |
8b173218 | 6693 | * Decode FS_LOCATIONS response |
683b57b4 | 6694 | */ |
bf269551 CL |
6695 | static int nfs4_xdr_dec_fs_locations(struct rpc_rqst *req, |
6696 | struct xdr_stream *xdr, | |
22958463 | 6697 | struct nfs4_fs_locations_res *res) |
683b57b4 | 6698 | { |
683b57b4 TM |
6699 | struct compound_hdr hdr; |
6700 | int status; | |
6701 | ||
bf269551 | 6702 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6703 | if (status) |
6704 | goto out; | |
bf269551 | 6705 | status = decode_sequence(xdr, &res->seq_res, req); |
9b7b9fcc | 6706 | if (status) |
683b57b4 | 6707 | goto out; |
bf269551 CL |
6708 | status = decode_putfh(xdr); |
6709 | if (status) | |
683b57b4 | 6710 | goto out; |
bf269551 CL |
6711 | status = decode_lookup(xdr); |
6712 | if (status) | |
683b57b4 | 6713 | goto out; |
bf269551 | 6714 | xdr_enter_page(xdr, PAGE_SIZE); |
8b7e3f49 TM |
6715 | status = decode_getfattr_generic(xdr, &res->fs_locations->fattr, |
6716 | NULL, res->fs_locations, | |
6717 | res->fs_locations->server); | |
683b57b4 TM |
6718 | out: |
6719 | return status; | |
6720 | } | |
6721 | ||
5a5ea0d4 BS |
6722 | /* |
6723 | * Decode SECINFO response | |
6724 | */ | |
6725 | static int nfs4_xdr_dec_secinfo(struct rpc_rqst *rqstp, | |
6726 | struct xdr_stream *xdr, | |
6727 | struct nfs4_secinfo_res *res) | |
6728 | { | |
6729 | struct compound_hdr hdr; | |
6730 | int status; | |
6731 | ||
6732 | status = decode_compound_hdr(xdr, &hdr); | |
6733 | if (status) | |
6734 | goto out; | |
6735 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6736 | if (status) | |
6737 | goto out; | |
6738 | status = decode_putfh(xdr); | |
6739 | if (status) | |
6740 | goto out; | |
6741 | status = decode_secinfo(xdr, res); | |
5a5ea0d4 BS |
6742 | out: |
6743 | return status; | |
6744 | } | |
6745 | ||
99fe60d0 | 6746 | #if defined(CONFIG_NFS_V4_1) |
7c44f1ae WAA |
6747 | /* |
6748 | * Decode BIND_CONN_TO_SESSION response | |
6749 | */ | |
6750 | static int nfs4_xdr_dec_bind_conn_to_session(struct rpc_rqst *rqstp, | |
6751 | struct xdr_stream *xdr, | |
6752 | void *res) | |
6753 | { | |
6754 | struct compound_hdr hdr; | |
6755 | int status; | |
6756 | ||
6757 | status = decode_compound_hdr(xdr, &hdr); | |
6758 | if (!status) | |
6759 | status = decode_bind_conn_to_session(xdr, res); | |
6760 | return status; | |
6761 | } | |
6762 | ||
99fe60d0 | 6763 | /* |
8b173218 | 6764 | * Decode EXCHANGE_ID response |
99fe60d0 | 6765 | */ |
bf269551 CL |
6766 | static int nfs4_xdr_dec_exchange_id(struct rpc_rqst *rqstp, |
6767 | struct xdr_stream *xdr, | |
99fe60d0 BH |
6768 | void *res) |
6769 | { | |
99fe60d0 BH |
6770 | struct compound_hdr hdr; |
6771 | int status; | |
6772 | ||
bf269551 | 6773 | status = decode_compound_hdr(xdr, &hdr); |
99fe60d0 | 6774 | if (!status) |
bf269551 | 6775 | status = decode_exchange_id(xdr, res); |
99fe60d0 BH |
6776 | return status; |
6777 | } | |
2050f0cc | 6778 | |
fc931582 | 6779 | /* |
8b173218 | 6780 | * Decode CREATE_SESSION response |
fc931582 | 6781 | */ |
bf269551 CL |
6782 | static int nfs4_xdr_dec_create_session(struct rpc_rqst *rqstp, |
6783 | struct xdr_stream *xdr, | |
fc931582 AA |
6784 | struct nfs41_create_session_res *res) |
6785 | { | |
fc931582 AA |
6786 | struct compound_hdr hdr; |
6787 | int status; | |
6788 | ||
bf269551 | 6789 | status = decode_compound_hdr(xdr, &hdr); |
fc931582 | 6790 | if (!status) |
bf269551 | 6791 | status = decode_create_session(xdr, res); |
fc931582 AA |
6792 | return status; |
6793 | } | |
6794 | ||
0f3e66c6 | 6795 | /* |
8b173218 | 6796 | * Decode DESTROY_SESSION response |
0f3e66c6 | 6797 | */ |
bf269551 CL |
6798 | static int nfs4_xdr_dec_destroy_session(struct rpc_rqst *rqstp, |
6799 | struct xdr_stream *xdr, | |
6800 | void *res) | |
0f3e66c6 | 6801 | { |
0f3e66c6 AA |
6802 | struct compound_hdr hdr; |
6803 | int status; | |
6804 | ||
bf269551 | 6805 | status = decode_compound_hdr(xdr, &hdr); |
0f3e66c6 | 6806 | if (!status) |
bf269551 | 6807 | status = decode_destroy_session(xdr, res); |
0f3e66c6 AA |
6808 | return status; |
6809 | } | |
6810 | ||
66245539 TM |
6811 | /* |
6812 | * Decode DESTROY_CLIENTID response | |
6813 | */ | |
6814 | static int nfs4_xdr_dec_destroy_clientid(struct rpc_rqst *rqstp, | |
6815 | struct xdr_stream *xdr, | |
6816 | void *res) | |
6817 | { | |
6818 | struct compound_hdr hdr; | |
6819 | int status; | |
6820 | ||
6821 | status = decode_compound_hdr(xdr, &hdr); | |
6822 | if (!status) | |
6823 | status = decode_destroy_clientid(xdr, res); | |
6824 | return status; | |
6825 | } | |
6826 | ||
fc01cea9 | 6827 | /* |
8b173218 | 6828 | * Decode SEQUENCE response |
fc01cea9 | 6829 | */ |
bf269551 CL |
6830 | static int nfs4_xdr_dec_sequence(struct rpc_rqst *rqstp, |
6831 | struct xdr_stream *xdr, | |
fc01cea9 AA |
6832 | struct nfs4_sequence_res *res) |
6833 | { | |
fc01cea9 AA |
6834 | struct compound_hdr hdr; |
6835 | int status; | |
6836 | ||
bf269551 | 6837 | status = decode_compound_hdr(xdr, &hdr); |
fc01cea9 | 6838 | if (!status) |
bf269551 | 6839 | status = decode_sequence(xdr, res, rqstp); |
fc01cea9 AA |
6840 | return status; |
6841 | } | |
6842 | ||
2050f0cc | 6843 | /* |
8b173218 | 6844 | * Decode GET_LEASE_TIME response |
2050f0cc | 6845 | */ |
bf269551 CL |
6846 | static int nfs4_xdr_dec_get_lease_time(struct rpc_rqst *rqstp, |
6847 | struct xdr_stream *xdr, | |
2050f0cc AA |
6848 | struct nfs4_get_lease_time_res *res) |
6849 | { | |
2050f0cc AA |
6850 | struct compound_hdr hdr; |
6851 | int status; | |
6852 | ||
bf269551 | 6853 | status = decode_compound_hdr(xdr, &hdr); |
2050f0cc | 6854 | if (!status) |
bf269551 | 6855 | status = decode_sequence(xdr, &res->lr_seq_res, rqstp); |
2050f0cc | 6856 | if (!status) |
bf269551 | 6857 | status = decode_putrootfh(xdr); |
2050f0cc | 6858 | if (!status) |
bf269551 | 6859 | status = decode_fsinfo(xdr, res->lr_fsinfo); |
2050f0cc AA |
6860 | return status; |
6861 | } | |
18019753 RL |
6862 | |
6863 | /* | |
6864 | * Decode RECLAIM_COMPLETE response | |
6865 | */ | |
bf269551 CL |
6866 | static int nfs4_xdr_dec_reclaim_complete(struct rpc_rqst *rqstp, |
6867 | struct xdr_stream *xdr, | |
18019753 RL |
6868 | struct nfs41_reclaim_complete_res *res) |
6869 | { | |
18019753 RL |
6870 | struct compound_hdr hdr; |
6871 | int status; | |
6872 | ||
bf269551 | 6873 | status = decode_compound_hdr(xdr, &hdr); |
18019753 | 6874 | if (!status) |
bf269551 | 6875 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
18019753 | 6876 | if (!status) |
bf269551 | 6877 | status = decode_reclaim_complete(xdr, (void *)NULL); |
18019753 RL |
6878 | return status; |
6879 | } | |
b1f69b75 | 6880 | |
7f11d8d3 AA |
6881 | /* |
6882 | * Decode GETDEVICELIST response | |
6883 | */ | |
6884 | static int nfs4_xdr_dec_getdevicelist(struct rpc_rqst *rqstp, | |
6885 | struct xdr_stream *xdr, | |
6886 | struct nfs4_getdevicelist_res *res) | |
6887 | { | |
6888 | struct compound_hdr hdr; | |
6889 | int status; | |
6890 | ||
6891 | dprintk("encoding getdevicelist!\n"); | |
6892 | ||
6893 | status = decode_compound_hdr(xdr, &hdr); | |
6894 | if (status != 0) | |
6895 | goto out; | |
6896 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6897 | if (status != 0) | |
6898 | goto out; | |
6899 | status = decode_putfh(xdr); | |
6900 | if (status != 0) | |
6901 | goto out; | |
6902 | status = decode_getdevicelist(xdr, res->devlist); | |
6903 | out: | |
6904 | return status; | |
6905 | } | |
6906 | ||
b1f69b75 AA |
6907 | /* |
6908 | * Decode GETDEVINFO response | |
6909 | */ | |
bf269551 CL |
6910 | static int nfs4_xdr_dec_getdeviceinfo(struct rpc_rqst *rqstp, |
6911 | struct xdr_stream *xdr, | |
b1f69b75 AA |
6912 | struct nfs4_getdeviceinfo_res *res) |
6913 | { | |
b1f69b75 AA |
6914 | struct compound_hdr hdr; |
6915 | int status; | |
6916 | ||
bf269551 | 6917 | status = decode_compound_hdr(xdr, &hdr); |
b1f69b75 AA |
6918 | if (status != 0) |
6919 | goto out; | |
bf269551 | 6920 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
b1f69b75 AA |
6921 | if (status != 0) |
6922 | goto out; | |
bf269551 | 6923 | status = decode_getdeviceinfo(xdr, res->pdev); |
b1f69b75 AA |
6924 | out: |
6925 | return status; | |
6926 | } | |
6927 | ||
6928 | /* | |
6929 | * Decode LAYOUTGET response | |
6930 | */ | |
bf269551 CL |
6931 | static int nfs4_xdr_dec_layoutget(struct rpc_rqst *rqstp, |
6932 | struct xdr_stream *xdr, | |
b1f69b75 AA |
6933 | struct nfs4_layoutget_res *res) |
6934 | { | |
b1f69b75 AA |
6935 | struct compound_hdr hdr; |
6936 | int status; | |
6937 | ||
bf269551 | 6938 | status = decode_compound_hdr(xdr, &hdr); |
b1f69b75 AA |
6939 | if (status) |
6940 | goto out; | |
bf269551 | 6941 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
b1f69b75 AA |
6942 | if (status) |
6943 | goto out; | |
bf269551 | 6944 | status = decode_putfh(xdr); |
b1f69b75 AA |
6945 | if (status) |
6946 | goto out; | |
bf269551 | 6947 | status = decode_layoutget(xdr, rqstp, res); |
b1f69b75 AA |
6948 | out: |
6949 | return status; | |
6950 | } | |
863a3c6c | 6951 | |
cbe82603 BH |
6952 | /* |
6953 | * Decode LAYOUTRETURN response | |
6954 | */ | |
6955 | static int nfs4_xdr_dec_layoutreturn(struct rpc_rqst *rqstp, | |
6956 | struct xdr_stream *xdr, | |
6957 | struct nfs4_layoutreturn_res *res) | |
6958 | { | |
6959 | struct compound_hdr hdr; | |
6960 | int status; | |
6961 | ||
6962 | status = decode_compound_hdr(xdr, &hdr); | |
6963 | if (status) | |
6964 | goto out; | |
6965 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6966 | if (status) | |
6967 | goto out; | |
6968 | status = decode_putfh(xdr); | |
6969 | if (status) | |
6970 | goto out; | |
6971 | status = decode_layoutreturn(xdr, res); | |
6972 | out: | |
6973 | return status; | |
6974 | } | |
6975 | ||
863a3c6c AA |
6976 | /* |
6977 | * Decode LAYOUTCOMMIT response | |
6978 | */ | |
6979 | static int nfs4_xdr_dec_layoutcommit(struct rpc_rqst *rqstp, | |
6980 | struct xdr_stream *xdr, | |
6981 | struct nfs4_layoutcommit_res *res) | |
6982 | { | |
6983 | struct compound_hdr hdr; | |
6984 | int status; | |
6985 | ||
6986 | status = decode_compound_hdr(xdr, &hdr); | |
6987 | if (status) | |
6988 | goto out; | |
6989 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6990 | if (status) | |
6991 | goto out; | |
6992 | status = decode_putfh(xdr); | |
6993 | if (status) | |
6994 | goto out; | |
6995 | status = decode_layoutcommit(xdr, rqstp, res); | |
6996 | if (status) | |
6997 | goto out; | |
6926afd1 | 6998 | decode_getfattr(xdr, res->fattr, res->server); |
863a3c6c AA |
6999 | out: |
7000 | return status; | |
7001 | } | |
fca78d6d BS |
7002 | |
7003 | /* | |
7004 | * Decode SECINFO_NO_NAME response | |
7005 | */ | |
7006 | static int nfs4_xdr_dec_secinfo_no_name(struct rpc_rqst *rqstp, | |
7007 | struct xdr_stream *xdr, | |
7008 | struct nfs4_secinfo_res *res) | |
7009 | { | |
7010 | struct compound_hdr hdr; | |
7011 | int status; | |
7012 | ||
7013 | status = decode_compound_hdr(xdr, &hdr); | |
7014 | if (status) | |
7015 | goto out; | |
7016 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7017 | if (status) | |
7018 | goto out; | |
7019 | status = decode_putrootfh(xdr); | |
7020 | if (status) | |
7021 | goto out; | |
31e4dda4 | 7022 | status = decode_secinfo_no_name(xdr, res); |
fca78d6d BS |
7023 | out: |
7024 | return status; | |
7025 | } | |
7d974794 BS |
7026 | |
7027 | /* | |
7028 | * Decode TEST_STATEID response | |
7029 | */ | |
7030 | static int nfs4_xdr_dec_test_stateid(struct rpc_rqst *rqstp, | |
7031 | struct xdr_stream *xdr, | |
7032 | struct nfs41_test_stateid_res *res) | |
7033 | { | |
7034 | struct compound_hdr hdr; | |
7035 | int status; | |
7036 | ||
7037 | status = decode_compound_hdr(xdr, &hdr); | |
7038 | if (status) | |
7039 | goto out; | |
7040 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7041 | if (status) | |
7042 | goto out; | |
7043 | status = decode_test_stateid(xdr, res); | |
7044 | out: | |
7045 | return status; | |
7046 | } | |
9aeda35f BS |
7047 | |
7048 | /* | |
7049 | * Decode FREE_STATEID response | |
7050 | */ | |
7051 | static int nfs4_xdr_dec_free_stateid(struct rpc_rqst *rqstp, | |
7052 | struct xdr_stream *xdr, | |
7053 | struct nfs41_free_stateid_res *res) | |
7054 | { | |
7055 | struct compound_hdr hdr; | |
7056 | int status; | |
7057 | ||
7058 | status = decode_compound_hdr(xdr, &hdr); | |
7059 | if (status) | |
7060 | goto out; | |
7061 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7062 | if (status) | |
7063 | goto out; | |
7064 | status = decode_free_stateid(xdr, res); | |
7065 | out: | |
7066 | return status; | |
7067 | } | |
99fe60d0 BH |
7068 | #endif /* CONFIG_NFS_V4_1 */ |
7069 | ||
573c4e1e CL |
7070 | /** |
7071 | * nfs4_decode_dirent - Decode a single NFSv4 directory entry stored in | |
7072 | * the local page cache. | |
7073 | * @xdr: XDR stream where entry resides | |
7074 | * @entry: buffer to fill in with entry data | |
7075 | * @plus: boolean indicating whether this should be a readdirplus entry | |
7076 | * | |
7077 | * Returns zero if successful, otherwise a negative errno value is | |
7078 | * returned. | |
7079 | * | |
7080 | * This function is not invoked during READDIR reply decoding, but | |
7081 | * rather whenever an application invokes the getdents(2) system call | |
7082 | * on a directory already in our cache. | |
7083 | */ | |
7084 | int nfs4_decode_dirent(struct xdr_stream *xdr, struct nfs_entry *entry, | |
7085 | int plus) | |
1da177e4 | 7086 | { |
256e48bb | 7087 | unsigned int savep; |
dae100c2 | 7088 | uint32_t bitmap[3] = {0}; |
1da177e4 | 7089 | uint32_t len; |
babddc72 BS |
7090 | __be32 *p = xdr_inline_decode(xdr, 4); |
7091 | if (unlikely(!p)) | |
7092 | goto out_overflow; | |
c08e76d0 | 7093 | if (*p == xdr_zero) { |
babddc72 BS |
7094 | p = xdr_inline_decode(xdr, 4); |
7095 | if (unlikely(!p)) | |
7096 | goto out_overflow; | |
c08e76d0 | 7097 | if (*p == xdr_zero) |
573c4e1e | 7098 | return -EAGAIN; |
1da177e4 | 7099 | entry->eof = 1; |
573c4e1e | 7100 | return -EBADCOOKIE; |
1da177e4 LT |
7101 | } |
7102 | ||
babddc72 BS |
7103 | p = xdr_inline_decode(xdr, 12); |
7104 | if (unlikely(!p)) | |
7105 | goto out_overflow; | |
1da177e4 LT |
7106 | entry->prev_cookie = entry->cookie; |
7107 | p = xdr_decode_hyper(p, &entry->cookie); | |
c08e76d0 | 7108 | entry->len = be32_to_cpup(p); |
babddc72 | 7109 | |
9af8c222 | 7110 | p = xdr_inline_decode(xdr, entry->len); |
babddc72 BS |
7111 | if (unlikely(!p)) |
7112 | goto out_overflow; | |
1da177e4 | 7113 | entry->name = (const char *) p; |
1da177e4 LT |
7114 | |
7115 | /* | |
7116 | * In case the server doesn't return an inode number, | |
7117 | * we fake one here. (We don't use inode number 0, | |
7118 | * since glibc seems to choke on it...) | |
7119 | */ | |
7120 | entry->ino = 1; | |
4f082222 | 7121 | entry->fattr->valid = 0; |
1da177e4 | 7122 | |
9af8c222 TM |
7123 | if (decode_attr_bitmap(xdr, bitmap) < 0) |
7124 | goto out_overflow; | |
7125 | ||
256e48bb | 7126 | if (decode_attr_length(xdr, &len, &savep) < 0) |
9af8c222 TM |
7127 | goto out_overflow; |
7128 | ||
573c4e1e | 7129 | if (decode_getfattr_attrs(xdr, bitmap, entry->fattr, entry->fh, |
8b7e3f49 | 7130 | NULL, entry->server) < 0) |
9af8c222 | 7131 | goto out_overflow; |
28331a46 TM |
7132 | if (entry->fattr->valid & NFS_ATTR_FATTR_MOUNTED_ON_FILEID) |
7133 | entry->ino = entry->fattr->mounted_on_fileid; | |
7134 | else if (entry->fattr->valid & NFS_ATTR_FATTR_FILEID) | |
9af8c222 TM |
7135 | entry->ino = entry->fattr->fileid; |
7136 | ||
0b26a0bf TM |
7137 | entry->d_type = DT_UNKNOWN; |
7138 | if (entry->fattr->valid & NFS_ATTR_FATTR_TYPE) | |
7139 | entry->d_type = nfs_umode_to_dtype(entry->fattr->mode); | |
7140 | ||
573c4e1e | 7141 | return 0; |
babddc72 BS |
7142 | |
7143 | out_overflow: | |
7144 | print_overflow_msg(__func__, xdr); | |
573c4e1e | 7145 | return -EAGAIN; |
1da177e4 LT |
7146 | } |
7147 | ||
7148 | /* | |
7149 | * We need to translate between nfs status return values and | |
7150 | * the local errno values which may not be the same. | |
7151 | */ | |
7152 | static struct { | |
7153 | int stat; | |
7154 | int errno; | |
7155 | } nfs_errtbl[] = { | |
7156 | { NFS4_OK, 0 }, | |
856dff3d BH |
7157 | { NFS4ERR_PERM, -EPERM }, |
7158 | { NFS4ERR_NOENT, -ENOENT }, | |
7159 | { NFS4ERR_IO, -errno_NFSERR_IO}, | |
7160 | { NFS4ERR_NXIO, -ENXIO }, | |
7161 | { NFS4ERR_ACCESS, -EACCES }, | |
7162 | { NFS4ERR_EXIST, -EEXIST }, | |
7163 | { NFS4ERR_XDEV, -EXDEV }, | |
7164 | { NFS4ERR_NOTDIR, -ENOTDIR }, | |
7165 | { NFS4ERR_ISDIR, -EISDIR }, | |
7166 | { NFS4ERR_INVAL, -EINVAL }, | |
7167 | { NFS4ERR_FBIG, -EFBIG }, | |
7168 | { NFS4ERR_NOSPC, -ENOSPC }, | |
7169 | { NFS4ERR_ROFS, -EROFS }, | |
7170 | { NFS4ERR_MLINK, -EMLINK }, | |
7171 | { NFS4ERR_NAMETOOLONG, -ENAMETOOLONG }, | |
7172 | { NFS4ERR_NOTEMPTY, -ENOTEMPTY }, | |
7173 | { NFS4ERR_DQUOT, -EDQUOT }, | |
7174 | { NFS4ERR_STALE, -ESTALE }, | |
7175 | { NFS4ERR_BADHANDLE, -EBADHANDLE }, | |
856dff3d BH |
7176 | { NFS4ERR_BAD_COOKIE, -EBADCOOKIE }, |
7177 | { NFS4ERR_NOTSUPP, -ENOTSUPP }, | |
7178 | { NFS4ERR_TOOSMALL, -ETOOSMALL }, | |
fdcb4577 | 7179 | { NFS4ERR_SERVERFAULT, -EREMOTEIO }, |
856dff3d BH |
7180 | { NFS4ERR_BADTYPE, -EBADTYPE }, |
7181 | { NFS4ERR_LOCKED, -EAGAIN }, | |
856dff3d BH |
7182 | { NFS4ERR_SYMLINK, -ELOOP }, |
7183 | { NFS4ERR_OP_ILLEGAL, -EOPNOTSUPP }, | |
7184 | { NFS4ERR_DEADLOCK, -EDEADLK }, | |
856dff3d | 7185 | { -1, -EIO } |
1da177e4 LT |
7186 | }; |
7187 | ||
7188 | /* | |
7189 | * Convert an NFS error code to a local one. | |
7190 | * This one is used jointly by NFSv2 and NFSv3. | |
7191 | */ | |
7192 | static int | |
0a8ea437 | 7193 | nfs4_stat_to_errno(int stat) |
1da177e4 LT |
7194 | { |
7195 | int i; | |
7196 | for (i = 0; nfs_errtbl[i].stat != -1; i++) { | |
7197 | if (nfs_errtbl[i].stat == stat) | |
7198 | return nfs_errtbl[i].errno; | |
7199 | } | |
7200 | if (stat <= 10000 || stat > 10100) { | |
7201 | /* The server is looney tunes. */ | |
fdcb4577 | 7202 | return -EREMOTEIO; |
1da177e4 LT |
7203 | } |
7204 | /* If we cannot translate the error, the recovery routines should | |
7205 | * handle it. | |
7206 | * Note: remaining NFSv4 error codes have values > 10000, so should | |
7207 | * not conflict with native Linux error codes. | |
7208 | */ | |
856dff3d | 7209 | return -stat; |
1da177e4 LT |
7210 | } |
7211 | ||
1da177e4 LT |
7212 | #define PROC(proc, argtype, restype) \ |
7213 | [NFSPROC4_CLNT_##proc] = { \ | |
7214 | .p_proc = NFSPROC4_COMPOUND, \ | |
9f06c719 | 7215 | .p_encode = (kxdreproc_t)nfs4_xdr_##argtype, \ |
bf269551 | 7216 | .p_decode = (kxdrdproc_t)nfs4_xdr_##restype, \ |
2bea90d4 CL |
7217 | .p_arglen = NFS4_##argtype##_sz, \ |
7218 | .p_replen = NFS4_##restype##_sz, \ | |
cc0175c1 CL |
7219 | .p_statidx = NFSPROC4_CLNT_##proc, \ |
7220 | .p_name = #proc, \ | |
05d564fe | 7221 | } |
1da177e4 LT |
7222 | |
7223 | struct rpc_procinfo nfs4_procedures[] = { | |
7d93bd71 CL |
7224 | PROC(READ, enc_read, dec_read), |
7225 | PROC(WRITE, enc_write, dec_write), | |
7226 | PROC(COMMIT, enc_commit, dec_commit), | |
7227 | PROC(OPEN, enc_open, dec_open), | |
7228 | PROC(OPEN_CONFIRM, enc_open_confirm, dec_open_confirm), | |
7229 | PROC(OPEN_NOATTR, enc_open_noattr, dec_open_noattr), | |
7230 | PROC(OPEN_DOWNGRADE, enc_open_downgrade, dec_open_downgrade), | |
7231 | PROC(CLOSE, enc_close, dec_close), | |
7232 | PROC(SETATTR, enc_setattr, dec_setattr), | |
7233 | PROC(FSINFO, enc_fsinfo, dec_fsinfo), | |
7234 | PROC(RENEW, enc_renew, dec_renew), | |
7235 | PROC(SETCLIENTID, enc_setclientid, dec_setclientid), | |
7236 | PROC(SETCLIENTID_CONFIRM, enc_setclientid_confirm, dec_setclientid_confirm), | |
7237 | PROC(LOCK, enc_lock, dec_lock), | |
7238 | PROC(LOCKT, enc_lockt, dec_lockt), | |
7239 | PROC(LOCKU, enc_locku, dec_locku), | |
7240 | PROC(ACCESS, enc_access, dec_access), | |
7241 | PROC(GETATTR, enc_getattr, dec_getattr), | |
7242 | PROC(LOOKUP, enc_lookup, dec_lookup), | |
7243 | PROC(LOOKUP_ROOT, enc_lookup_root, dec_lookup_root), | |
7244 | PROC(REMOVE, enc_remove, dec_remove), | |
7245 | PROC(RENAME, enc_rename, dec_rename), | |
7246 | PROC(LINK, enc_link, dec_link), | |
7247 | PROC(SYMLINK, enc_symlink, dec_symlink), | |
7248 | PROC(CREATE, enc_create, dec_create), | |
7249 | PROC(PATHCONF, enc_pathconf, dec_pathconf), | |
7250 | PROC(STATFS, enc_statfs, dec_statfs), | |
7251 | PROC(READLINK, enc_readlink, dec_readlink), | |
7252 | PROC(READDIR, enc_readdir, dec_readdir), | |
7253 | PROC(SERVER_CAPS, enc_server_caps, dec_server_caps), | |
7254 | PROC(DELEGRETURN, enc_delegreturn, dec_delegreturn), | |
7255 | PROC(GETACL, enc_getacl, dec_getacl), | |
7256 | PROC(SETACL, enc_setacl, dec_setacl), | |
7257 | PROC(FS_LOCATIONS, enc_fs_locations, dec_fs_locations), | |
7258 | PROC(RELEASE_LOCKOWNER, enc_release_lockowner, dec_release_lockowner), | |
5a5ea0d4 | 7259 | PROC(SECINFO, enc_secinfo, dec_secinfo), |
99fe60d0 | 7260 | #if defined(CONFIG_NFS_V4_1) |
7d93bd71 CL |
7261 | PROC(EXCHANGE_ID, enc_exchange_id, dec_exchange_id), |
7262 | PROC(CREATE_SESSION, enc_create_session, dec_create_session), | |
7263 | PROC(DESTROY_SESSION, enc_destroy_session, dec_destroy_session), | |
7264 | PROC(SEQUENCE, enc_sequence, dec_sequence), | |
7265 | PROC(GET_LEASE_TIME, enc_get_lease_time, dec_get_lease_time), | |
7266 | PROC(RECLAIM_COMPLETE, enc_reclaim_complete, dec_reclaim_complete), | |
7267 | PROC(GETDEVICEINFO, enc_getdeviceinfo, dec_getdeviceinfo), | |
7268 | PROC(LAYOUTGET, enc_layoutget, dec_layoutget), | |
863a3c6c | 7269 | PROC(LAYOUTCOMMIT, enc_layoutcommit, dec_layoutcommit), |
cbe82603 | 7270 | PROC(LAYOUTRETURN, enc_layoutreturn, dec_layoutreturn), |
fca78d6d | 7271 | PROC(SECINFO_NO_NAME, enc_secinfo_no_name, dec_secinfo_no_name), |
7d974794 | 7272 | PROC(TEST_STATEID, enc_test_stateid, dec_test_stateid), |
9aeda35f | 7273 | PROC(FREE_STATEID, enc_free_stateid, dec_free_stateid), |
7f11d8d3 | 7274 | PROC(GETDEVICELIST, enc_getdevicelist, dec_getdevicelist), |
ad24ecfb TM |
7275 | PROC(BIND_CONN_TO_SESSION, |
7276 | enc_bind_conn_to_session, dec_bind_conn_to_session), | |
66245539 | 7277 | PROC(DESTROY_CLIENTID, enc_destroy_clientid, dec_destroy_clientid), |
99fe60d0 | 7278 | #endif /* CONFIG_NFS_V4_1 */ |
1da177e4 LT |
7279 | }; |
7280 | ||
a613fa16 | 7281 | const struct rpc_version nfs_version4 = { |
1da177e4 | 7282 | .number = 4, |
e8c96f8c | 7283 | .nrprocs = ARRAY_SIZE(nfs4_procedures), |
1da177e4 LT |
7284 | .procs = nfs4_procedures |
7285 | }; | |
7286 | ||
7287 | /* | |
7288 | * Local variables: | |
7289 | * c-basic-offset: 8 | |
7290 | * End: | |
7291 | */ |