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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 TM |
449 | encode_open_maxsz + \ |
450 | encode_getfh_maxsz + \ | |
2cebf828 | 451 | encode_getattr_maxsz) |
1da177e4 | 452 | #define NFS4_dec_open_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 453 | decode_sequence_maxsz + \ |
2cebf828 | 454 | decode_putfh_maxsz + \ |
2cebf828 TM |
455 | decode_open_maxsz + \ |
456 | decode_getfh_maxsz + \ | |
2cebf828 | 457 | decode_getattr_maxsz) |
9104a55d TM |
458 | #define NFS4_enc_open_confirm_sz \ |
459 | (compound_encode_hdr_maxsz + \ | |
460 | encode_putfh_maxsz + \ | |
461 | encode_open_confirm_maxsz) | |
462 | #define NFS4_dec_open_confirm_sz \ | |
463 | (compound_decode_hdr_maxsz + \ | |
464 | decode_putfh_maxsz + \ | |
465 | decode_open_confirm_maxsz) | |
1da177e4 | 466 | #define NFS4_enc_open_noattr_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 467 | encode_sequence_maxsz + \ |
1da177e4 | 468 | encode_putfh_maxsz + \ |
2cebf828 TM |
469 | encode_open_maxsz + \ |
470 | encode_getattr_maxsz) | |
1da177e4 | 471 | #define NFS4_dec_open_noattr_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 472 | decode_sequence_maxsz + \ |
1da177e4 | 473 | decode_putfh_maxsz + \ |
2cebf828 TM |
474 | decode_open_maxsz + \ |
475 | decode_getattr_maxsz) | |
1da177e4 LT |
476 | #define NFS4_enc_open_downgrade_sz \ |
477 | (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 478 | encode_sequence_maxsz + \ |
9104a55d TM |
479 | encode_putfh_maxsz + \ |
480 | encode_open_downgrade_maxsz + \ | |
481 | encode_getattr_maxsz) | |
1da177e4 LT |
482 | #define NFS4_dec_open_downgrade_sz \ |
483 | (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 484 | decode_sequence_maxsz + \ |
9104a55d TM |
485 | decode_putfh_maxsz + \ |
486 | decode_open_downgrade_maxsz + \ | |
487 | decode_getattr_maxsz) | |
488 | #define NFS4_enc_close_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 489 | encode_sequence_maxsz + \ |
9104a55d TM |
490 | encode_putfh_maxsz + \ |
491 | encode_close_maxsz + \ | |
492 | encode_getattr_maxsz) | |
493 | #define NFS4_dec_close_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 494 | decode_sequence_maxsz + \ |
9104a55d TM |
495 | decode_putfh_maxsz + \ |
496 | decode_close_maxsz + \ | |
497 | decode_getattr_maxsz) | |
498 | #define NFS4_enc_setattr_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 499 | encode_sequence_maxsz + \ |
9104a55d TM |
500 | encode_putfh_maxsz + \ |
501 | encode_setattr_maxsz + \ | |
502 | encode_getattr_maxsz) | |
503 | #define NFS4_dec_setattr_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 504 | decode_sequence_maxsz + \ |
9104a55d TM |
505 | decode_putfh_maxsz + \ |
506 | decode_setattr_maxsz + \ | |
507 | decode_getattr_maxsz) | |
1da177e4 | 508 | #define NFS4_enc_fsinfo_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 509 | encode_sequence_maxsz + \ |
1da177e4 LT |
510 | encode_putfh_maxsz + \ |
511 | encode_fsinfo_maxsz) | |
512 | #define NFS4_dec_fsinfo_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 513 | decode_sequence_maxsz + \ |
1da177e4 LT |
514 | decode_putfh_maxsz + \ |
515 | decode_fsinfo_maxsz) | |
516 | #define NFS4_enc_renew_sz (compound_encode_hdr_maxsz + \ | |
517 | encode_renew_maxsz) | |
518 | #define NFS4_dec_renew_sz (compound_decode_hdr_maxsz + \ | |
519 | decode_renew_maxsz) | |
520 | #define NFS4_enc_setclientid_sz (compound_encode_hdr_maxsz + \ | |
521 | encode_setclientid_maxsz) | |
522 | #define NFS4_dec_setclientid_sz (compound_decode_hdr_maxsz + \ | |
523 | decode_setclientid_maxsz) | |
524 | #define NFS4_enc_setclientid_confirm_sz \ | |
525 | (compound_encode_hdr_maxsz + \ | |
526 | encode_setclientid_confirm_maxsz + \ | |
527 | encode_putrootfh_maxsz + \ | |
528 | encode_fsinfo_maxsz) | |
529 | #define NFS4_dec_setclientid_confirm_sz \ | |
530 | (compound_decode_hdr_maxsz + \ | |
531 | decode_setclientid_confirm_maxsz + \ | |
532 | decode_putrootfh_maxsz + \ | |
533 | decode_fsinfo_maxsz) | |
534 | #define NFS4_enc_lock_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 535 | encode_sequence_maxsz + \ |
1da177e4 | 536 | encode_putfh_maxsz + \ |
9104a55d | 537 | encode_lock_maxsz) |
1da177e4 | 538 | #define NFS4_dec_lock_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 539 | decode_sequence_maxsz + \ |
1da177e4 | 540 | decode_putfh_maxsz + \ |
9104a55d | 541 | decode_lock_maxsz) |
1da177e4 | 542 | #define NFS4_enc_lockt_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 543 | encode_sequence_maxsz + \ |
1da177e4 | 544 | encode_putfh_maxsz + \ |
9104a55d TM |
545 | encode_lockt_maxsz) |
546 | #define NFS4_dec_lockt_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 547 | decode_sequence_maxsz + \ |
9104a55d TM |
548 | decode_putfh_maxsz + \ |
549 | decode_lockt_maxsz) | |
1da177e4 | 550 | #define NFS4_enc_locku_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 551 | encode_sequence_maxsz + \ |
1da177e4 | 552 | encode_putfh_maxsz + \ |
9104a55d | 553 | encode_locku_maxsz) |
1da177e4 | 554 | #define NFS4_dec_locku_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 555 | decode_sequence_maxsz + \ |
1da177e4 | 556 | decode_putfh_maxsz + \ |
9104a55d | 557 | decode_locku_maxsz) |
d3c7b7cc TM |
558 | #define NFS4_enc_release_lockowner_sz \ |
559 | (compound_encode_hdr_maxsz + \ | |
560 | encode_lockowner_maxsz) | |
561 | #define NFS4_dec_release_lockowner_sz \ | |
562 | (compound_decode_hdr_maxsz + \ | |
563 | decode_lockowner_maxsz) | |
1da177e4 | 564 | #define NFS4_enc_access_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 565 | encode_sequence_maxsz + \ |
1da177e4 | 566 | encode_putfh_maxsz + \ |
76b32999 TM |
567 | encode_access_maxsz + \ |
568 | encode_getattr_maxsz) | |
1da177e4 | 569 | #define NFS4_dec_access_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 570 | decode_sequence_maxsz + \ |
1da177e4 | 571 | decode_putfh_maxsz + \ |
76b32999 TM |
572 | decode_access_maxsz + \ |
573 | decode_getattr_maxsz) | |
1da177e4 | 574 | #define NFS4_enc_getattr_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 575 | encode_sequence_maxsz + \ |
1da177e4 LT |
576 | encode_putfh_maxsz + \ |
577 | encode_getattr_maxsz) | |
578 | #define NFS4_dec_getattr_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 579 | decode_sequence_maxsz + \ |
1da177e4 LT |
580 | decode_putfh_maxsz + \ |
581 | decode_getattr_maxsz) | |
582 | #define NFS4_enc_lookup_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 583 | encode_sequence_maxsz + \ |
1da177e4 LT |
584 | encode_putfh_maxsz + \ |
585 | encode_lookup_maxsz + \ | |
586 | encode_getattr_maxsz + \ | |
587 | encode_getfh_maxsz) | |
588 | #define NFS4_dec_lookup_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 589 | decode_sequence_maxsz + \ |
1da177e4 | 590 | decode_putfh_maxsz + \ |
e6889620 | 591 | decode_lookup_maxsz + \ |
1da177e4 LT |
592 | decode_getattr_maxsz + \ |
593 | decode_getfh_maxsz) | |
594 | #define NFS4_enc_lookup_root_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 595 | encode_sequence_maxsz + \ |
1da177e4 LT |
596 | encode_putrootfh_maxsz + \ |
597 | encode_getattr_maxsz + \ | |
598 | encode_getfh_maxsz) | |
599 | #define NFS4_dec_lookup_root_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 600 | decode_sequence_maxsz + \ |
1da177e4 LT |
601 | decode_putrootfh_maxsz + \ |
602 | decode_getattr_maxsz + \ | |
603 | decode_getfh_maxsz) | |
604 | #define NFS4_enc_remove_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 605 | encode_sequence_maxsz + \ |
1da177e4 | 606 | encode_putfh_maxsz + \ |
778d2817 | 607 | encode_remove_maxsz) |
1da177e4 | 608 | #define NFS4_dec_remove_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 609 | decode_sequence_maxsz + \ |
1da177e4 | 610 | decode_putfh_maxsz + \ |
778d2817 | 611 | decode_remove_maxsz) |
1da177e4 | 612 | #define NFS4_enc_rename_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 613 | encode_sequence_maxsz + \ |
1da177e4 LT |
614 | encode_putfh_maxsz + \ |
615 | encode_savefh_maxsz + \ | |
616 | encode_putfh_maxsz + \ | |
778d2817 | 617 | encode_rename_maxsz) |
1da177e4 | 618 | #define NFS4_dec_rename_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 619 | decode_sequence_maxsz + \ |
1da177e4 LT |
620 | decode_putfh_maxsz + \ |
621 | decode_savefh_maxsz + \ | |
622 | decode_putfh_maxsz + \ | |
778d2817 | 623 | decode_rename_maxsz) |
1da177e4 | 624 | #define NFS4_enc_link_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 625 | encode_sequence_maxsz + \ |
1da177e4 LT |
626 | encode_putfh_maxsz + \ |
627 | encode_savefh_maxsz + \ | |
628 | encode_putfh_maxsz + \ | |
91ba2eee | 629 | encode_link_maxsz + \ |
91ba2eee | 630 | encode_restorefh_maxsz + \ |
a9f6991b | 631 | encode_getattr_maxsz) |
1da177e4 | 632 | #define NFS4_dec_link_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 633 | decode_sequence_maxsz + \ |
1da177e4 LT |
634 | decode_putfh_maxsz + \ |
635 | decode_savefh_maxsz + \ | |
636 | decode_putfh_maxsz + \ | |
91ba2eee | 637 | decode_link_maxsz + \ |
91ba2eee TM |
638 | decode_restorefh_maxsz + \ |
639 | decode_getattr_maxsz) | |
1da177e4 | 640 | #define NFS4_enc_symlink_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 641 | encode_sequence_maxsz + \ |
1da177e4 LT |
642 | encode_putfh_maxsz + \ |
643 | encode_symlink_maxsz + \ | |
644 | encode_getattr_maxsz + \ | |
645 | encode_getfh_maxsz) | |
646 | #define NFS4_dec_symlink_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 647 | decode_sequence_maxsz + \ |
1da177e4 LT |
648 | decode_putfh_maxsz + \ |
649 | decode_symlink_maxsz + \ | |
650 | decode_getattr_maxsz + \ | |
651 | decode_getfh_maxsz) | |
652 | #define NFS4_enc_create_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 653 | encode_sequence_maxsz + \ |
1da177e4 LT |
654 | encode_putfh_maxsz + \ |
655 | encode_create_maxsz + \ | |
56ae19f3 | 656 | encode_getfh_maxsz + \ |
56ae19f3 | 657 | encode_getattr_maxsz) |
1da177e4 | 658 | #define NFS4_dec_create_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 659 | decode_sequence_maxsz + \ |
1da177e4 LT |
660 | decode_putfh_maxsz + \ |
661 | decode_create_maxsz + \ | |
56ae19f3 | 662 | decode_getfh_maxsz + \ |
56ae19f3 | 663 | decode_getattr_maxsz) |
1da177e4 | 664 | #define NFS4_enc_pathconf_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 665 | encode_sequence_maxsz + \ |
1da177e4 LT |
666 | encode_putfh_maxsz + \ |
667 | encode_getattr_maxsz) | |
668 | #define NFS4_dec_pathconf_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 669 | decode_sequence_maxsz + \ |
1da177e4 LT |
670 | decode_putfh_maxsz + \ |
671 | decode_getattr_maxsz) | |
672 | #define NFS4_enc_statfs_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 673 | encode_sequence_maxsz + \ |
1da177e4 | 674 | encode_putfh_maxsz + \ |
9104a55d | 675 | encode_statfs_maxsz) |
1da177e4 | 676 | #define NFS4_dec_statfs_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 677 | decode_sequence_maxsz + \ |
1da177e4 | 678 | decode_putfh_maxsz + \ |
9104a55d | 679 | decode_statfs_maxsz) |
1da177e4 | 680 | #define NFS4_enc_server_caps_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 681 | encode_sequence_maxsz + \ |
ab91f264 | 682 | encode_putfh_maxsz + \ |
1da177e4 LT |
683 | encode_getattr_maxsz) |
684 | #define NFS4_dec_server_caps_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 685 | decode_sequence_maxsz + \ |
ab91f264 | 686 | decode_putfh_maxsz + \ |
1da177e4 LT |
687 | decode_getattr_maxsz) |
688 | #define NFS4_enc_delegreturn_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 689 | encode_sequence_maxsz + \ |
1da177e4 | 690 | encode_putfh_maxsz + \ |
fa178f29 TM |
691 | encode_delegreturn_maxsz + \ |
692 | encode_getattr_maxsz) | |
1da177e4 | 693 | #define NFS4_dec_delegreturn_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 694 | decode_sequence_maxsz + \ |
fa178f29 TM |
695 | decode_delegreturn_maxsz + \ |
696 | decode_getattr_maxsz) | |
029d105e | 697 | #define NFS4_enc_getacl_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 698 | encode_sequence_maxsz + \ |
029d105e | 699 | encode_putfh_maxsz + \ |
9104a55d | 700 | encode_getacl_maxsz) |
029d105e | 701 | #define NFS4_dec_getacl_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 702 | decode_sequence_maxsz + \ |
029d105e | 703 | decode_putfh_maxsz + \ |
9104a55d | 704 | decode_getacl_maxsz) |
23ec6965 | 705 | #define NFS4_enc_setacl_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 706 | encode_sequence_maxsz + \ |
23ec6965 | 707 | encode_putfh_maxsz + \ |
9104a55d | 708 | encode_setacl_maxsz) |
23ec6965 | 709 | #define NFS4_dec_setacl_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 710 | decode_sequence_maxsz + \ |
23ec6965 | 711 | decode_putfh_maxsz + \ |
9104a55d | 712 | decode_setacl_maxsz) |
683b57b4 TM |
713 | #define NFS4_enc_fs_locations_sz \ |
714 | (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 715 | encode_sequence_maxsz + \ |
683b57b4 | 716 | encode_putfh_maxsz + \ |
e6889620 TM |
717 | encode_lookup_maxsz + \ |
718 | encode_fs_locations_maxsz) | |
683b57b4 TM |
719 | #define NFS4_dec_fs_locations_sz \ |
720 | (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 721 | decode_sequence_maxsz + \ |
683b57b4 | 722 | decode_putfh_maxsz + \ |
e6889620 TM |
723 | decode_lookup_maxsz + \ |
724 | decode_fs_locations_maxsz) | |
5a5ea0d4 BS |
725 | #define NFS4_enc_secinfo_sz (compound_encode_hdr_maxsz + \ |
726 | encode_sequence_maxsz + \ | |
727 | encode_putfh_maxsz + \ | |
728 | encode_secinfo_maxsz) | |
729 | #define NFS4_dec_secinfo_sz (compound_decode_hdr_maxsz + \ | |
730 | decode_sequence_maxsz + \ | |
731 | decode_putfh_maxsz + \ | |
732 | decode_secinfo_maxsz) | |
99fe60d0 | 733 | #if defined(CONFIG_NFS_V4_1) |
7c44f1ae WAA |
734 | #define NFS4_enc_bind_conn_to_session_sz \ |
735 | (compound_encode_hdr_maxsz + \ | |
736 | encode_bind_conn_to_session_maxsz) | |
737 | #define NFS4_dec_bind_conn_to_session_sz \ | |
738 | (compound_decode_hdr_maxsz + \ | |
739 | decode_bind_conn_to_session_maxsz) | |
99fe60d0 BH |
740 | #define NFS4_enc_exchange_id_sz \ |
741 | (compound_encode_hdr_maxsz + \ | |
742 | encode_exchange_id_maxsz) | |
743 | #define NFS4_dec_exchange_id_sz \ | |
744 | (compound_decode_hdr_maxsz + \ | |
745 | decode_exchange_id_maxsz) | |
fc931582 AA |
746 | #define NFS4_enc_create_session_sz \ |
747 | (compound_encode_hdr_maxsz + \ | |
748 | encode_create_session_maxsz) | |
749 | #define NFS4_dec_create_session_sz \ | |
750 | (compound_decode_hdr_maxsz + \ | |
751 | decode_create_session_maxsz) | |
0f3e66c6 AA |
752 | #define NFS4_enc_destroy_session_sz (compound_encode_hdr_maxsz + \ |
753 | encode_destroy_session_maxsz) | |
754 | #define NFS4_dec_destroy_session_sz (compound_decode_hdr_maxsz + \ | |
755 | decode_destroy_session_maxsz) | |
66245539 TM |
756 | #define NFS4_enc_destroy_clientid_sz (compound_encode_hdr_maxsz + \ |
757 | encode_destroy_clientid_maxsz) | |
758 | #define NFS4_dec_destroy_clientid_sz (compound_decode_hdr_maxsz + \ | |
759 | decode_destroy_clientid_maxsz) | |
fc01cea9 AA |
760 | #define NFS4_enc_sequence_sz \ |
761 | (compound_decode_hdr_maxsz + \ | |
762 | encode_sequence_maxsz) | |
763 | #define NFS4_dec_sequence_sz \ | |
764 | (compound_decode_hdr_maxsz + \ | |
765 | decode_sequence_maxsz) | |
2050f0cc AA |
766 | #define NFS4_enc_get_lease_time_sz (compound_encode_hdr_maxsz + \ |
767 | encode_sequence_maxsz + \ | |
768 | encode_putrootfh_maxsz + \ | |
769 | encode_fsinfo_maxsz) | |
770 | #define NFS4_dec_get_lease_time_sz (compound_decode_hdr_maxsz + \ | |
771 | decode_sequence_maxsz + \ | |
772 | decode_putrootfh_maxsz + \ | |
773 | decode_fsinfo_maxsz) | |
18019753 RL |
774 | #define NFS4_enc_reclaim_complete_sz (compound_encode_hdr_maxsz + \ |
775 | encode_sequence_maxsz + \ | |
776 | encode_reclaim_complete_maxsz) | |
777 | #define NFS4_dec_reclaim_complete_sz (compound_decode_hdr_maxsz + \ | |
778 | decode_sequence_maxsz + \ | |
779 | decode_reclaim_complete_maxsz) | |
7f11d8d3 AA |
780 | #define NFS4_enc_getdevicelist_sz (compound_encode_hdr_maxsz + \ |
781 | encode_sequence_maxsz + \ | |
782 | encode_putfh_maxsz + \ | |
783 | encode_getdevicelist_maxsz) | |
784 | #define NFS4_dec_getdevicelist_sz (compound_decode_hdr_maxsz + \ | |
785 | decode_sequence_maxsz + \ | |
786 | decode_putfh_maxsz + \ | |
787 | decode_getdevicelist_maxsz) | |
b1f69b75 AA |
788 | #define NFS4_enc_getdeviceinfo_sz (compound_encode_hdr_maxsz + \ |
789 | encode_sequence_maxsz +\ | |
790 | encode_getdeviceinfo_maxsz) | |
791 | #define NFS4_dec_getdeviceinfo_sz (compound_decode_hdr_maxsz + \ | |
792 | decode_sequence_maxsz + \ | |
793 | decode_getdeviceinfo_maxsz) | |
794 | #define NFS4_enc_layoutget_sz (compound_encode_hdr_maxsz + \ | |
795 | encode_sequence_maxsz + \ | |
796 | encode_putfh_maxsz + \ | |
797 | encode_layoutget_maxsz) | |
798 | #define NFS4_dec_layoutget_sz (compound_decode_hdr_maxsz + \ | |
799 | decode_sequence_maxsz + \ | |
800 | decode_putfh_maxsz + \ | |
801 | decode_layoutget_maxsz) | |
863a3c6c AA |
802 | #define NFS4_enc_layoutcommit_sz (compound_encode_hdr_maxsz + \ |
803 | encode_sequence_maxsz +\ | |
804 | encode_putfh_maxsz + \ | |
805 | encode_layoutcommit_maxsz + \ | |
806 | encode_getattr_maxsz) | |
807 | #define NFS4_dec_layoutcommit_sz (compound_decode_hdr_maxsz + \ | |
808 | decode_sequence_maxsz + \ | |
809 | decode_putfh_maxsz + \ | |
810 | decode_layoutcommit_maxsz + \ | |
811 | decode_getattr_maxsz) | |
cbe82603 BH |
812 | #define NFS4_enc_layoutreturn_sz (compound_encode_hdr_maxsz + \ |
813 | encode_sequence_maxsz + \ | |
814 | encode_putfh_maxsz + \ | |
815 | encode_layoutreturn_maxsz) | |
816 | #define NFS4_dec_layoutreturn_sz (compound_decode_hdr_maxsz + \ | |
817 | decode_sequence_maxsz + \ | |
818 | decode_putfh_maxsz + \ | |
819 | decode_layoutreturn_maxsz) | |
fca78d6d BS |
820 | #define NFS4_enc_secinfo_no_name_sz (compound_encode_hdr_maxsz + \ |
821 | encode_sequence_maxsz + \ | |
822 | encode_putrootfh_maxsz +\ | |
823 | encode_secinfo_no_name_maxsz) | |
824 | #define NFS4_dec_secinfo_no_name_sz (compound_decode_hdr_maxsz + \ | |
825 | decode_sequence_maxsz + \ | |
826 | decode_putrootfh_maxsz + \ | |
827 | decode_secinfo_no_name_maxsz) | |
7d974794 BS |
828 | #define NFS4_enc_test_stateid_sz (compound_encode_hdr_maxsz + \ |
829 | encode_sequence_maxsz + \ | |
830 | encode_test_stateid_maxsz) | |
831 | #define NFS4_dec_test_stateid_sz (compound_decode_hdr_maxsz + \ | |
832 | decode_sequence_maxsz + \ | |
833 | decode_test_stateid_maxsz) | |
9aeda35f BS |
834 | #define NFS4_enc_free_stateid_sz (compound_encode_hdr_maxsz + \ |
835 | encode_sequence_maxsz + \ | |
836 | encode_free_stateid_maxsz) | |
837 | #define NFS4_dec_free_stateid_sz (compound_decode_hdr_maxsz + \ | |
838 | decode_sequence_maxsz + \ | |
839 | decode_free_stateid_maxsz) | |
2449ea2e AB |
840 | |
841 | const u32 nfs41_maxwrite_overhead = ((RPC_MAX_HEADER_WITH_AUTH + | |
842 | compound_encode_hdr_maxsz + | |
843 | encode_sequence_maxsz + | |
844 | encode_putfh_maxsz + | |
845 | encode_getattr_maxsz) * | |
846 | XDR_UNIT); | |
847 | ||
848 | const u32 nfs41_maxread_overhead = ((RPC_MAX_HEADER_WITH_AUTH + | |
849 | compound_decode_hdr_maxsz + | |
850 | decode_sequence_maxsz + | |
851 | decode_putfh_maxsz) * | |
852 | XDR_UNIT); | |
99fe60d0 | 853 | #endif /* CONFIG_NFS_V4_1 */ |
1da177e4 | 854 | |
bca79478 TM |
855 | static const umode_t nfs_type2fmt[] = { |
856 | [NF4BAD] = 0, | |
857 | [NF4REG] = S_IFREG, | |
858 | [NF4DIR] = S_IFDIR, | |
859 | [NF4BLK] = S_IFBLK, | |
860 | [NF4CHR] = S_IFCHR, | |
861 | [NF4LNK] = S_IFLNK, | |
862 | [NF4SOCK] = S_IFSOCK, | |
863 | [NF4FIFO] = S_IFIFO, | |
864 | [NF4ATTRDIR] = 0, | |
865 | [NF4NAMEDATTR] = 0, | |
1da177e4 LT |
866 | }; |
867 | ||
868 | struct compound_hdr { | |
869 | int32_t status; | |
870 | uint32_t nops; | |
d017931c | 871 | __be32 * nops_p; |
1da177e4 LT |
872 | uint32_t taglen; |
873 | char * tag; | |
0c4e8c18 | 874 | uint32_t replen; /* expected reply words */ |
66cc0429 | 875 | u32 minorversion; |
1da177e4 LT |
876 | }; |
877 | ||
13c65ce9 BH |
878 | static __be32 *reserve_space(struct xdr_stream *xdr, size_t nbytes) |
879 | { | |
880 | __be32 *p = xdr_reserve_space(xdr, nbytes); | |
881 | BUG_ON(!p); | |
882 | return p; | |
883 | } | |
1da177e4 | 884 | |
cb17e556 TM |
885 | static void encode_opaque_fixed(struct xdr_stream *xdr, const void *buf, size_t len) |
886 | { | |
887 | __be32 *p; | |
888 | ||
889 | p = xdr_reserve_space(xdr, len); | |
890 | xdr_encode_opaque_fixed(p, buf, len); | |
891 | } | |
892 | ||
1da177e4 LT |
893 | static void encode_string(struct xdr_stream *xdr, unsigned int len, const char *str) |
894 | { | |
8687b63a | 895 | __be32 *p; |
1da177e4 | 896 | |
6fdfb0bc | 897 | p = reserve_space(xdr, 4 + len); |
1da177e4 LT |
898 | xdr_encode_opaque(p, str, len); |
899 | } | |
900 | ||
4ade9821 TM |
901 | static void encode_uint32(struct xdr_stream *xdr, u32 n) |
902 | { | |
903 | __be32 *p; | |
904 | ||
905 | p = reserve_space(xdr, 4); | |
906 | *p = cpu_to_be32(n); | |
907 | } | |
908 | ||
ff2eb681 TM |
909 | static void encode_uint64(struct xdr_stream *xdr, u64 n) |
910 | { | |
911 | __be32 *p; | |
912 | ||
913 | p = reserve_space(xdr, 8); | |
914 | xdr_encode_hyper(p, n); | |
915 | } | |
916 | ||
4ade9821 TM |
917 | static void encode_nfs4_seqid(struct xdr_stream *xdr, |
918 | const struct nfs_seqid *seqid) | |
919 | { | |
920 | encode_uint32(xdr, seqid->sequence->counter); | |
921 | } | |
922 | ||
0c4e8c18 BH |
923 | static void encode_compound_hdr(struct xdr_stream *xdr, |
924 | struct rpc_rqst *req, | |
925 | struct compound_hdr *hdr) | |
1da177e4 | 926 | { |
8687b63a | 927 | __be32 *p; |
a17c2153 | 928 | struct rpc_auth *auth = req->rq_cred->cr_auth; |
0c4e8c18 BH |
929 | |
930 | /* initialize running count of expected bytes in reply. | |
931 | * NOTE: the replied tag SHOULD be the same is the one sent, | |
932 | * but this is not required as a MUST for the server to do so. */ | |
933 | hdr->replen = RPC_REPHDRSIZE + auth->au_rslack + 3 + hdr->taglen; | |
1da177e4 | 934 | |
1da177e4 | 935 | BUG_ON(hdr->taglen > NFS4_MAXTAGLEN); |
6fdfb0bc TM |
936 | encode_string(xdr, hdr->taglen, hdr->tag); |
937 | p = reserve_space(xdr, 8); | |
e75bc1c8 | 938 | *p++ = cpu_to_be32(hdr->minorversion); |
d017931c | 939 | hdr->nops_p = p; |
34558513 | 940 | *p = cpu_to_be32(hdr->nops); |
d017931c AA |
941 | } |
942 | ||
ab19b481 TM |
943 | static void encode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 op, |
944 | uint32_t replen, | |
945 | struct compound_hdr *hdr) | |
946 | { | |
947 | encode_uint32(xdr, op); | |
948 | hdr->nops++; | |
949 | hdr->replen += replen; | |
950 | } | |
951 | ||
d017931c AA |
952 | static void encode_nops(struct compound_hdr *hdr) |
953 | { | |
fc931582 | 954 | BUG_ON(hdr->nops > NFS4_MAX_OPS); |
d017931c | 955 | *hdr->nops_p = htonl(hdr->nops); |
1da177e4 LT |
956 | } |
957 | ||
ea9d23f5 TM |
958 | static void encode_nfs4_stateid(struct xdr_stream *xdr, const nfs4_stateid *stateid) |
959 | { | |
2d2f24ad | 960 | encode_opaque_fixed(xdr, stateid, NFS4_STATEID_SIZE); |
ea9d23f5 TM |
961 | } |
962 | ||
1da177e4 LT |
963 | static void encode_nfs4_verifier(struct xdr_stream *xdr, const nfs4_verifier *verf) |
964 | { | |
cb17e556 | 965 | encode_opaque_fixed(xdr, verf->data, NFS4_VERIFIER_SIZE); |
1da177e4 LT |
966 | } |
967 | ||
cf8cdbe5 | 968 | static void encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const struct nfs_server *server) |
1da177e4 LT |
969 | { |
970 | char owner_name[IDMAP_NAMESZ]; | |
971 | char owner_group[IDMAP_NAMESZ]; | |
972 | int owner_namelen = 0; | |
973 | int owner_grouplen = 0; | |
8687b63a AV |
974 | __be32 *p; |
975 | __be32 *q; | |
1da177e4 LT |
976 | int len; |
977 | uint32_t bmval0 = 0; | |
978 | uint32_t bmval1 = 0; | |
1da177e4 LT |
979 | |
980 | /* | |
981 | * We reserve enough space to write the entire attribute buffer at once. | |
982 | * In the worst-case, this would be | |
983 | * 12(bitmap) + 4(attrlen) + 8(size) + 4(mode) + 4(atime) + 4(mtime) | |
984 | * = 36 bytes, plus any contribution from variable-length fields | |
23ec6965 | 985 | * such as owner/group. |
1da177e4 LT |
986 | */ |
987 | len = 16; | |
988 | ||
989 | /* Sigh */ | |
990 | if (iap->ia_valid & ATTR_SIZE) | |
991 | len += 8; | |
992 | if (iap->ia_valid & ATTR_MODE) | |
993 | len += 4; | |
994 | if (iap->ia_valid & ATTR_UID) { | |
e4fd72a1 | 995 | owner_namelen = nfs_map_uid_to_name(server, iap->ia_uid, owner_name, IDMAP_NAMESZ); |
1da177e4 | 996 | if (owner_namelen < 0) { |
fe82a183 CL |
997 | dprintk("nfs: couldn't resolve uid %d to string\n", |
998 | iap->ia_uid); | |
1da177e4 LT |
999 | /* XXX */ |
1000 | strcpy(owner_name, "nobody"); | |
1001 | owner_namelen = sizeof("nobody") - 1; | |
1002 | /* goto out; */ | |
1003 | } | |
1004 | len += 4 + (XDR_QUADLEN(owner_namelen) << 2); | |
1005 | } | |
1006 | if (iap->ia_valid & ATTR_GID) { | |
e4fd72a1 | 1007 | owner_grouplen = nfs_map_gid_to_group(server, iap->ia_gid, owner_group, IDMAP_NAMESZ); |
1da177e4 | 1008 | if (owner_grouplen < 0) { |
fe82a183 CL |
1009 | dprintk("nfs: couldn't resolve gid %d to string\n", |
1010 | iap->ia_gid); | |
1da177e4 LT |
1011 | strcpy(owner_group, "nobody"); |
1012 | owner_grouplen = sizeof("nobody") - 1; | |
1013 | /* goto out; */ | |
1014 | } | |
1015 | len += 4 + (XDR_QUADLEN(owner_grouplen) << 2); | |
1016 | } | |
1017 | if (iap->ia_valid & ATTR_ATIME_SET) | |
1018 | len += 16; | |
1019 | else if (iap->ia_valid & ATTR_ATIME) | |
1020 | len += 4; | |
1021 | if (iap->ia_valid & ATTR_MTIME_SET) | |
1022 | len += 16; | |
1023 | else if (iap->ia_valid & ATTR_MTIME) | |
1024 | len += 4; | |
13c65ce9 | 1025 | p = reserve_space(xdr, len); |
1da177e4 LT |
1026 | |
1027 | /* | |
1028 | * We write the bitmap length now, but leave the bitmap and the attribute | |
1029 | * buffer length to be backfilled at the end of this routine. | |
1030 | */ | |
e75bc1c8 | 1031 | *p++ = cpu_to_be32(2); |
1da177e4 LT |
1032 | q = p; |
1033 | p += 3; | |
1034 | ||
1035 | if (iap->ia_valid & ATTR_SIZE) { | |
1036 | bmval0 |= FATTR4_WORD0_SIZE; | |
b95be5a9 | 1037 | p = xdr_encode_hyper(p, iap->ia_size); |
1da177e4 LT |
1038 | } |
1039 | if (iap->ia_valid & ATTR_MODE) { | |
1040 | bmval1 |= FATTR4_WORD1_MODE; | |
e75bc1c8 | 1041 | *p++ = cpu_to_be32(iap->ia_mode & S_IALLUGO); |
1da177e4 LT |
1042 | } |
1043 | if (iap->ia_valid & ATTR_UID) { | |
1044 | bmval1 |= FATTR4_WORD1_OWNER; | |
811652bd | 1045 | p = xdr_encode_opaque(p, owner_name, owner_namelen); |
1da177e4 LT |
1046 | } |
1047 | if (iap->ia_valid & ATTR_GID) { | |
1048 | bmval1 |= FATTR4_WORD1_OWNER_GROUP; | |
811652bd | 1049 | p = xdr_encode_opaque(p, owner_group, owner_grouplen); |
1da177e4 LT |
1050 | } |
1051 | if (iap->ia_valid & ATTR_ATIME_SET) { | |
1052 | bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET; | |
e75bc1c8 BH |
1053 | *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); |
1054 | *p++ = cpu_to_be32(0); | |
d3f6baaa TM |
1055 | *p++ = cpu_to_be32(iap->ia_atime.tv_sec); |
1056 | *p++ = cpu_to_be32(iap->ia_atime.tv_nsec); | |
1da177e4 LT |
1057 | } |
1058 | else if (iap->ia_valid & ATTR_ATIME) { | |
1059 | bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET; | |
e75bc1c8 | 1060 | *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); |
1da177e4 LT |
1061 | } |
1062 | if (iap->ia_valid & ATTR_MTIME_SET) { | |
1063 | bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET; | |
e75bc1c8 BH |
1064 | *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); |
1065 | *p++ = cpu_to_be32(0); | |
1066 | *p++ = cpu_to_be32(iap->ia_mtime.tv_sec); | |
1067 | *p++ = cpu_to_be32(iap->ia_mtime.tv_nsec); | |
1da177e4 LT |
1068 | } |
1069 | else if (iap->ia_valid & ATTR_MTIME) { | |
1070 | bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET; | |
e75bc1c8 | 1071 | *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); |
1da177e4 | 1072 | } |
6c0195a4 | 1073 | |
1da177e4 LT |
1074 | /* |
1075 | * Now we backfill the bitmap and the attribute buffer length. | |
1076 | */ | |
1077 | if (len != ((char *)p - (char *)q) + 4) { | |
f9fd2d9c | 1078 | printk(KERN_ERR "NFS: Attr length error, %u != %Zu\n", |
1da177e4 LT |
1079 | len, ((char *)p - (char *)q) + 4); |
1080 | BUG(); | |
1081 | } | |
1082 | len = (char *)p - (char *)q - 12; | |
1083 | *q++ = htonl(bmval0); | |
1084 | *q++ = htonl(bmval1); | |
34558513 | 1085 | *q = htonl(len); |
1da177e4 | 1086 | |
1da177e4 | 1087 | /* out: */ |
1da177e4 LT |
1088 | } |
1089 | ||
cf8cdbe5 | 1090 | static void encode_access(struct xdr_stream *xdr, u32 access, struct compound_hdr *hdr) |
1da177e4 | 1091 | { |
475d4ba0 TM |
1092 | encode_op_hdr(xdr, OP_ACCESS, decode_access_maxsz, hdr); |
1093 | encode_uint32(xdr, access); | |
1da177e4 LT |
1094 | } |
1095 | ||
cf8cdbe5 | 1096 | static void encode_close(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1097 | { |
ab19b481 | 1098 | encode_op_hdr(xdr, OP_CLOSE, decode_close_maxsz, hdr); |
4ade9821 | 1099 | encode_nfs4_seqid(xdr, arg->seqid); |
ea9d23f5 | 1100 | encode_nfs4_stateid(xdr, arg->stateid); |
1da177e4 LT |
1101 | } |
1102 | ||
0b7c0153 | 1103 | static void encode_commit(struct xdr_stream *xdr, const struct nfs_commitargs *args, struct compound_hdr *hdr) |
1da177e4 | 1104 | { |
8687b63a | 1105 | __be32 *p; |
6c0195a4 | 1106 | |
475d4ba0 TM |
1107 | encode_op_hdr(xdr, OP_COMMIT, decode_commit_maxsz, hdr); |
1108 | p = reserve_space(xdr, 12); | |
b95be5a9 | 1109 | p = xdr_encode_hyper(p, args->offset); |
34558513 | 1110 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1111 | } |
1112 | ||
cf8cdbe5 | 1113 | static void encode_create(struct xdr_stream *xdr, const struct nfs4_create_arg *create, struct compound_hdr *hdr) |
1da177e4 | 1114 | { |
8687b63a | 1115 | __be32 *p; |
6c0195a4 | 1116 | |
475d4ba0 TM |
1117 | encode_op_hdr(xdr, OP_CREATE, decode_create_maxsz, hdr); |
1118 | encode_uint32(xdr, create->ftype); | |
1da177e4 LT |
1119 | |
1120 | switch (create->ftype) { | |
1121 | case NF4LNK: | |
13c65ce9 | 1122 | p = reserve_space(xdr, 4); |
34558513 | 1123 | *p = cpu_to_be32(create->u.symlink.len); |
94a6d753 | 1124 | xdr_write_pages(xdr, create->u.symlink.pages, 0, create->u.symlink.len); |
1da177e4 LT |
1125 | break; |
1126 | ||
1127 | case NF4BLK: case NF4CHR: | |
13c65ce9 | 1128 | p = reserve_space(xdr, 8); |
e75bc1c8 | 1129 | *p++ = cpu_to_be32(create->u.device.specdata1); |
34558513 | 1130 | *p = cpu_to_be32(create->u.device.specdata2); |
1da177e4 LT |
1131 | break; |
1132 | ||
1133 | default: | |
1134 | break; | |
1135 | } | |
1136 | ||
811652bd | 1137 | encode_string(xdr, create->name->len, create->name->name); |
cf8cdbe5 | 1138 | encode_attrs(xdr, create->attrs, create->server); |
1da177e4 LT |
1139 | } |
1140 | ||
cf8cdbe5 | 1141 | static void encode_getattr_one(struct xdr_stream *xdr, uint32_t bitmap, struct compound_hdr *hdr) |
1da177e4 | 1142 | { |
05d564fe | 1143 | __be32 *p; |
1da177e4 | 1144 | |
475d4ba0 TM |
1145 | encode_op_hdr(xdr, OP_GETATTR, decode_getattr_maxsz, hdr); |
1146 | p = reserve_space(xdr, 8); | |
e75bc1c8 | 1147 | *p++ = cpu_to_be32(1); |
34558513 | 1148 | *p = cpu_to_be32(bitmap); |
1da177e4 LT |
1149 | } |
1150 | ||
cf8cdbe5 | 1151 | static void encode_getattr_two(struct xdr_stream *xdr, uint32_t bm0, uint32_t bm1, struct compound_hdr *hdr) |
1da177e4 | 1152 | { |
05d564fe | 1153 | __be32 *p; |
1da177e4 | 1154 | |
475d4ba0 TM |
1155 | encode_op_hdr(xdr, OP_GETATTR, decode_getattr_maxsz, hdr); |
1156 | p = reserve_space(xdr, 12); | |
e75bc1c8 BH |
1157 | *p++ = cpu_to_be32(2); |
1158 | *p++ = cpu_to_be32(bm0); | |
34558513 | 1159 | *p = cpu_to_be32(bm1); |
1da177e4 LT |
1160 | } |
1161 | ||
dae100c2 FI |
1162 | static void |
1163 | encode_getattr_three(struct xdr_stream *xdr, | |
1164 | uint32_t bm0, uint32_t bm1, uint32_t bm2, | |
1165 | struct compound_hdr *hdr) | |
1166 | { | |
1167 | __be32 *p; | |
1168 | ||
ab19b481 | 1169 | encode_op_hdr(xdr, OP_GETATTR, decode_getattr_maxsz, hdr); |
dae100c2 FI |
1170 | if (bm2) { |
1171 | p = reserve_space(xdr, 16); | |
1172 | *p++ = cpu_to_be32(3); | |
1173 | *p++ = cpu_to_be32(bm0); | |
1174 | *p++ = cpu_to_be32(bm1); | |
1175 | *p = cpu_to_be32(bm2); | |
1176 | } else if (bm1) { | |
1177 | p = reserve_space(xdr, 12); | |
1178 | *p++ = cpu_to_be32(2); | |
1179 | *p++ = cpu_to_be32(bm0); | |
1180 | *p = cpu_to_be32(bm1); | |
1181 | } else { | |
1182 | p = reserve_space(xdr, 8); | |
1183 | *p++ = cpu_to_be32(1); | |
1184 | *p = cpu_to_be32(bm0); | |
1185 | } | |
dae100c2 FI |
1186 | } |
1187 | ||
cf8cdbe5 | 1188 | static void encode_getfattr(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
1da177e4 | 1189 | { |
cf8cdbe5 AA |
1190 | encode_getattr_two(xdr, bitmask[0] & nfs4_fattr_bitmap[0], |
1191 | bitmask[1] & nfs4_fattr_bitmap[1], hdr); | |
1da177e4 LT |
1192 | } |
1193 | ||
88034c3d | 1194 | static void encode_getfattr_open(struct xdr_stream *xdr, const u32 *bitmask, |
1549210f | 1195 | const u32 *open_bitmap, |
88034c3d AA |
1196 | struct compound_hdr *hdr) |
1197 | { | |
1198 | encode_getattr_three(xdr, | |
1549210f TM |
1199 | bitmask[0] & open_bitmap[0], |
1200 | bitmask[1] & open_bitmap[1], | |
1201 | bitmask[2] & open_bitmap[2], | |
88034c3d AA |
1202 | hdr); |
1203 | } | |
1204 | ||
cf8cdbe5 | 1205 | static void encode_fsinfo(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
1da177e4 | 1206 | { |
dae100c2 FI |
1207 | encode_getattr_three(xdr, |
1208 | bitmask[0] & nfs4_fsinfo_bitmap[0], | |
1209 | bitmask[1] & nfs4_fsinfo_bitmap[1], | |
1210 | bitmask[2] & nfs4_fsinfo_bitmap[2], | |
1211 | hdr); | |
1da177e4 LT |
1212 | } |
1213 | ||
cf8cdbe5 | 1214 | static void encode_fs_locations(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
830b8e33 | 1215 | { |
cf8cdbe5 AA |
1216 | encode_getattr_two(xdr, bitmask[0] & nfs4_fs_locations_bitmap[0], |
1217 | bitmask[1] & nfs4_fs_locations_bitmap[1], hdr); | |
830b8e33 MN |
1218 | } |
1219 | ||
cf8cdbe5 | 1220 | static void encode_getfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1221 | { |
ab19b481 | 1222 | encode_op_hdr(xdr, OP_GETFH, decode_getfh_maxsz, hdr); |
1da177e4 LT |
1223 | } |
1224 | ||
cf8cdbe5 | 1225 | static void encode_link(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1226 | { |
ab19b481 | 1227 | encode_op_hdr(xdr, OP_LINK, decode_link_maxsz, hdr); |
6fdfb0bc | 1228 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1229 | } |
1230 | ||
911d1aaf TM |
1231 | static inline int nfs4_lock_type(struct file_lock *fl, int block) |
1232 | { | |
f44106e2 | 1233 | if (fl->fl_type == F_RDLCK) |
911d1aaf TM |
1234 | return block ? NFS4_READW_LT : NFS4_READ_LT; |
1235 | return block ? NFS4_WRITEW_LT : NFS4_WRITE_LT; | |
1236 | } | |
1237 | ||
1238 | static inline uint64_t nfs4_lock_length(struct file_lock *fl) | |
1239 | { | |
1240 | if (fl->fl_end == OFFSET_MAX) | |
1241 | return ~(uint64_t)0; | |
1242 | return fl->fl_end - fl->fl_start + 1; | |
1243 | } | |
1244 | ||
daccbded TM |
1245 | static void encode_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner) |
1246 | { | |
1247 | __be32 *p; | |
1248 | ||
d035c36c | 1249 | p = reserve_space(xdr, 32); |
daccbded | 1250 | p = xdr_encode_hyper(p, lowner->clientid); |
d035c36c | 1251 | *p++ = cpu_to_be32(20); |
daccbded | 1252 | p = xdr_encode_opaque_fixed(p, "lock id:", 8); |
d035c36c | 1253 | *p++ = cpu_to_be32(lowner->s_dev); |
daccbded TM |
1254 | xdr_encode_hyper(p, lowner->id); |
1255 | } | |
1256 | ||
1da177e4 LT |
1257 | /* |
1258 | * opcode,type,reclaim,offset,length,new_lock_owner = 32 | |
1259 | * open_seqid,open_stateid,lock_seqid,lock_owner.clientid, lock_owner.id = 40 | |
1260 | */ | |
cf8cdbe5 | 1261 | static void encode_lock(struct xdr_stream *xdr, const struct nfs_lock_args *args, struct compound_hdr *hdr) |
1da177e4 | 1262 | { |
8687b63a | 1263 | __be32 *p; |
1da177e4 | 1264 | |
475d4ba0 TM |
1265 | encode_op_hdr(xdr, OP_LOCK, decode_lock_maxsz, hdr); |
1266 | p = reserve_space(xdr, 28); | |
e75bc1c8 BH |
1267 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, args->block)); |
1268 | *p++ = cpu_to_be32(args->reclaim); | |
b95be5a9 BH |
1269 | p = xdr_encode_hyper(p, args->fl->fl_start); |
1270 | p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); | |
34558513 | 1271 | *p = cpu_to_be32(args->new_lock_owner); |
911d1aaf | 1272 | if (args->new_lock_owner){ |
4ade9821 | 1273 | encode_nfs4_seqid(xdr, args->open_seqid); |
ea9d23f5 | 1274 | encode_nfs4_stateid(xdr, args->open_stateid); |
4ade9821 | 1275 | encode_nfs4_seqid(xdr, args->lock_seqid); |
daccbded | 1276 | encode_lockowner(xdr, &args->lock_owner); |
1da177e4 LT |
1277 | } |
1278 | else { | |
ea9d23f5 | 1279 | encode_nfs4_stateid(xdr, args->lock_stateid); |
4ade9821 | 1280 | encode_nfs4_seqid(xdr, args->lock_seqid); |
1da177e4 | 1281 | } |
1da177e4 LT |
1282 | } |
1283 | ||
cf8cdbe5 | 1284 | static void encode_lockt(struct xdr_stream *xdr, const struct nfs_lockt_args *args, struct compound_hdr *hdr) |
1da177e4 | 1285 | { |
8687b63a | 1286 | __be32 *p; |
1da177e4 | 1287 | |
475d4ba0 TM |
1288 | encode_op_hdr(xdr, OP_LOCKT, decode_lockt_maxsz, hdr); |
1289 | p = reserve_space(xdr, 20); | |
e75bc1c8 | 1290 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, 0)); |
b95be5a9 BH |
1291 | p = xdr_encode_hyper(p, args->fl->fl_start); |
1292 | p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); | |
daccbded | 1293 | encode_lockowner(xdr, &args->lock_owner); |
1da177e4 LT |
1294 | } |
1295 | ||
cf8cdbe5 | 1296 | static void encode_locku(struct xdr_stream *xdr, const struct nfs_locku_args *args, struct compound_hdr *hdr) |
1da177e4 | 1297 | { |
8687b63a | 1298 | __be32 *p; |
1da177e4 | 1299 | |
475d4ba0 TM |
1300 | encode_op_hdr(xdr, OP_LOCKU, decode_locku_maxsz, hdr); |
1301 | encode_uint32(xdr, nfs4_lock_type(args->fl, 0)); | |
4ade9821 | 1302 | encode_nfs4_seqid(xdr, args->seqid); |
ea9d23f5 TM |
1303 | encode_nfs4_stateid(xdr, args->stateid); |
1304 | p = reserve_space(xdr, 16); | |
b95be5a9 | 1305 | p = xdr_encode_hyper(p, args->fl->fl_start); |
34558513 | 1306 | xdr_encode_hyper(p, nfs4_lock_length(args->fl)); |
1da177e4 LT |
1307 | } |
1308 | ||
d3c7b7cc TM |
1309 | static void encode_release_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner, struct compound_hdr *hdr) |
1310 | { | |
ab19b481 | 1311 | encode_op_hdr(xdr, OP_RELEASE_LOCKOWNER, decode_release_lockowner_maxsz, hdr); |
d3c7b7cc | 1312 | encode_lockowner(xdr, lowner); |
d3c7b7cc TM |
1313 | } |
1314 | ||
cf8cdbe5 | 1315 | static void encode_lookup(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1316 | { |
ab19b481 | 1317 | encode_op_hdr(xdr, OP_LOOKUP, decode_lookup_maxsz, hdr); |
6fdfb0bc | 1318 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1319 | } |
1320 | ||
dc0b027d | 1321 | static void encode_share_access(struct xdr_stream *xdr, fmode_t fmode) |
1da177e4 | 1322 | { |
8687b63a | 1323 | __be32 *p; |
1da177e4 | 1324 | |
13c65ce9 | 1325 | p = reserve_space(xdr, 8); |
dc0b027d | 1326 | switch (fmode & (FMODE_READ|FMODE_WRITE)) { |
05d564fe | 1327 | case FMODE_READ: |
e75bc1c8 | 1328 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_READ); |
05d564fe AA |
1329 | break; |
1330 | case FMODE_WRITE: | |
e75bc1c8 | 1331 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_WRITE); |
05d564fe AA |
1332 | break; |
1333 | case FMODE_READ|FMODE_WRITE: | |
e75bc1c8 | 1334 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_BOTH); |
05d564fe AA |
1335 | break; |
1336 | default: | |
e75bc1c8 | 1337 | *p++ = cpu_to_be32(0); |
1da177e4 | 1338 | } |
34558513 | 1339 | *p = cpu_to_be32(0); /* for linux, share_deny = 0 always */ |
1da177e4 LT |
1340 | } |
1341 | ||
1342 | static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1343 | { | |
8687b63a | 1344 | __be32 *p; |
1da177e4 LT |
1345 | /* |
1346 | * opcode 4, seqid 4, share_access 4, share_deny 4, clientid 8, ownerlen 4, | |
1347 | * owner 4 = 32 | |
1348 | */ | |
4ade9821 | 1349 | encode_nfs4_seqid(xdr, arg->seqid); |
dc0b027d | 1350 | encode_share_access(xdr, arg->fmode); |
95b72eb0 | 1351 | p = reserve_space(xdr, 36); |
b95be5a9 | 1352 | p = xdr_encode_hyper(p, arg->clientid); |
95b72eb0 | 1353 | *p++ = cpu_to_be32(24); |
93f0cf25 | 1354 | p = xdr_encode_opaque_fixed(p, "open id:", 8); |
d035c36c | 1355 | *p++ = cpu_to_be32(arg->server->s_dev); |
95b72eb0 TM |
1356 | *p++ = cpu_to_be32(arg->id.uniquifier); |
1357 | xdr_encode_hyper(p, arg->id.create_time); | |
1da177e4 LT |
1358 | } |
1359 | ||
1360 | static inline void encode_createmode(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1361 | { | |
8687b63a | 1362 | __be32 *p; |
4882ef72 | 1363 | struct nfs_client *clp; |
1da177e4 | 1364 | |
13c65ce9 | 1365 | p = reserve_space(xdr, 4); |
1da177e4 | 1366 | switch(arg->open_flags & O_EXCL) { |
05d564fe | 1367 | case 0: |
34558513 | 1368 | *p = cpu_to_be32(NFS4_CREATE_UNCHECKED); |
05d564fe AA |
1369 | encode_attrs(xdr, arg->u.attrs, arg->server); |
1370 | break; | |
1371 | default: | |
4882ef72 | 1372 | clp = arg->server->nfs_client; |
a4432345 | 1373 | if (clp->cl_mvops->minor_version > 0) { |
4882ef72 AB |
1374 | if (nfs4_has_persistent_session(clp)) { |
1375 | *p = cpu_to_be32(NFS4_CREATE_GUARDED); | |
1376 | encode_attrs(xdr, arg->u.attrs, arg->server); | |
1377 | } else { | |
1378 | struct iattr dummy; | |
1379 | ||
1380 | *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE4_1); | |
1381 | encode_nfs4_verifier(xdr, &arg->u.verifier); | |
1382 | dummy.ia_valid = 0; | |
1383 | encode_attrs(xdr, &dummy, arg->server); | |
1384 | } | |
1385 | } else { | |
1386 | *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE); | |
1387 | encode_nfs4_verifier(xdr, &arg->u.verifier); | |
1388 | } | |
1da177e4 LT |
1389 | } |
1390 | } | |
1391 | ||
1392 | static void encode_opentype(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1393 | { | |
8687b63a | 1394 | __be32 *p; |
1da177e4 | 1395 | |
13c65ce9 | 1396 | p = reserve_space(xdr, 4); |
1da177e4 | 1397 | switch (arg->open_flags & O_CREAT) { |
05d564fe | 1398 | case 0: |
34558513 | 1399 | *p = cpu_to_be32(NFS4_OPEN_NOCREATE); |
05d564fe AA |
1400 | break; |
1401 | default: | |
1402 | BUG_ON(arg->claim != NFS4_OPEN_CLAIM_NULL); | |
34558513 | 1403 | *p = cpu_to_be32(NFS4_OPEN_CREATE); |
05d564fe | 1404 | encode_createmode(xdr, arg); |
1da177e4 LT |
1405 | } |
1406 | } | |
1407 | ||
bd7bf9d5 | 1408 | static inline void encode_delegation_type(struct xdr_stream *xdr, fmode_t delegation_type) |
1da177e4 | 1409 | { |
8687b63a | 1410 | __be32 *p; |
1da177e4 | 1411 | |
13c65ce9 | 1412 | p = reserve_space(xdr, 4); |
1da177e4 | 1413 | switch (delegation_type) { |
05d564fe | 1414 | case 0: |
34558513 | 1415 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_NONE); |
05d564fe AA |
1416 | break; |
1417 | case FMODE_READ: | |
34558513 | 1418 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_READ); |
05d564fe AA |
1419 | break; |
1420 | case FMODE_WRITE|FMODE_READ: | |
34558513 | 1421 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_WRITE); |
05d564fe AA |
1422 | break; |
1423 | default: | |
1424 | BUG(); | |
1da177e4 LT |
1425 | } |
1426 | } | |
1427 | ||
1428 | static inline void encode_claim_null(struct xdr_stream *xdr, const struct qstr *name) | |
1429 | { | |
8687b63a | 1430 | __be32 *p; |
1da177e4 | 1431 | |
13c65ce9 | 1432 | p = reserve_space(xdr, 4); |
34558513 | 1433 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_NULL); |
1da177e4 LT |
1434 | encode_string(xdr, name->len, name->name); |
1435 | } | |
1436 | ||
bd7bf9d5 | 1437 | static inline void encode_claim_previous(struct xdr_stream *xdr, fmode_t type) |
1da177e4 | 1438 | { |
8687b63a | 1439 | __be32 *p; |
1da177e4 | 1440 | |
13c65ce9 | 1441 | p = reserve_space(xdr, 4); |
34558513 | 1442 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_PREVIOUS); |
1da177e4 LT |
1443 | encode_delegation_type(xdr, type); |
1444 | } | |
1445 | ||
1446 | static inline void encode_claim_delegate_cur(struct xdr_stream *xdr, const struct qstr *name, const nfs4_stateid *stateid) | |
1447 | { | |
8687b63a | 1448 | __be32 *p; |
1da177e4 | 1449 | |
ea9d23f5 TM |
1450 | p = reserve_space(xdr, 4); |
1451 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_DELEGATE_CUR); | |
1452 | encode_nfs4_stateid(xdr, stateid); | |
1da177e4 LT |
1453 | encode_string(xdr, name->len, name->name); |
1454 | } | |
1455 | ||
cf8cdbe5 | 1456 | static void encode_open(struct xdr_stream *xdr, const struct nfs_openargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1457 | { |
ab19b481 | 1458 | encode_op_hdr(xdr, OP_OPEN, decode_open_maxsz, hdr); |
1da177e4 LT |
1459 | encode_openhdr(xdr, arg); |
1460 | encode_opentype(xdr, arg); | |
1461 | switch (arg->claim) { | |
05d564fe AA |
1462 | case NFS4_OPEN_CLAIM_NULL: |
1463 | encode_claim_null(xdr, arg->name); | |
1464 | break; | |
1465 | case NFS4_OPEN_CLAIM_PREVIOUS: | |
1466 | encode_claim_previous(xdr, arg->u.delegation_type); | |
1467 | break; | |
1468 | case NFS4_OPEN_CLAIM_DELEGATE_CUR: | |
1469 | encode_claim_delegate_cur(xdr, arg->name, &arg->u.delegation); | |
1470 | break; | |
1471 | default: | |
1472 | BUG(); | |
1da177e4 | 1473 | } |
1da177e4 LT |
1474 | } |
1475 | ||
cf8cdbe5 | 1476 | static void encode_open_confirm(struct xdr_stream *xdr, const struct nfs_open_confirmargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1477 | { |
ab19b481 | 1478 | encode_op_hdr(xdr, OP_OPEN_CONFIRM, decode_open_confirm_maxsz, hdr); |
ea9d23f5 | 1479 | encode_nfs4_stateid(xdr, arg->stateid); |
4ade9821 | 1480 | encode_nfs4_seqid(xdr, arg->seqid); |
1da177e4 LT |
1481 | } |
1482 | ||
cf8cdbe5 | 1483 | static void encode_open_downgrade(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1484 | { |
ab19b481 | 1485 | encode_op_hdr(xdr, OP_OPEN_DOWNGRADE, decode_open_downgrade_maxsz, hdr); |
ea9d23f5 | 1486 | encode_nfs4_stateid(xdr, arg->stateid); |
4ade9821 | 1487 | encode_nfs4_seqid(xdr, arg->seqid); |
dc0b027d | 1488 | encode_share_access(xdr, arg->fmode); |
1da177e4 LT |
1489 | } |
1490 | ||
cf8cdbe5 | 1491 | static void |
d017931c | 1492 | encode_putfh(struct xdr_stream *xdr, const struct nfs_fh *fh, struct compound_hdr *hdr) |
1da177e4 | 1493 | { |
ab19b481 | 1494 | encode_op_hdr(xdr, OP_PUTFH, decode_putfh_maxsz, hdr); |
6fdfb0bc | 1495 | encode_string(xdr, fh->size, fh->data); |
1da177e4 LT |
1496 | } |
1497 | ||
cf8cdbe5 | 1498 | static void encode_putrootfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1499 | { |
ab19b481 | 1500 | encode_op_hdr(xdr, OP_PUTROOTFH, decode_putrootfh_maxsz, hdr); |
1da177e4 LT |
1501 | } |
1502 | ||
4fc8796d TM |
1503 | static void encode_open_stateid(struct xdr_stream *xdr, |
1504 | const struct nfs_open_context *ctx, | |
1505 | const struct nfs_lock_context *l_ctx, | |
1506 | fmode_t fmode, | |
1507 | int zero_seqid) | |
1da177e4 | 1508 | { |
1da177e4 | 1509 | nfs4_stateid stateid; |
1da177e4 | 1510 | |
1da177e4 | 1511 | if (ctx->state != NULL) { |
4fc8796d TM |
1512 | nfs4_select_rw_stateid(&stateid, ctx->state, |
1513 | fmode, l_ctx->lockowner, l_ctx->pid); | |
89d1ea65 | 1514 | if (zero_seqid) |
2d2f24ad | 1515 | stateid.seqid = 0; |
ea9d23f5 | 1516 | encode_nfs4_stateid(xdr, &stateid); |
1da177e4 | 1517 | } else |
ea9d23f5 | 1518 | encode_nfs4_stateid(xdr, &zero_stateid); |
1da177e4 LT |
1519 | } |
1520 | ||
cf8cdbe5 | 1521 | static void encode_read(struct xdr_stream *xdr, const struct nfs_readargs *args, struct compound_hdr *hdr) |
1da177e4 | 1522 | { |
8687b63a | 1523 | __be32 *p; |
1da177e4 | 1524 | |
ab19b481 | 1525 | encode_op_hdr(xdr, OP_READ, decode_read_maxsz, hdr); |
d0b496d2 | 1526 | encode_open_stateid(xdr, args->context, args->lock_context, |
4fc8796d | 1527 | FMODE_READ, hdr->minorversion); |
1da177e4 | 1528 | |
13c65ce9 | 1529 | p = reserve_space(xdr, 12); |
b95be5a9 | 1530 | p = xdr_encode_hyper(p, args->offset); |
34558513 | 1531 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1532 | } |
1533 | ||
cf8cdbe5 | 1534 | static void encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg *readdir, struct rpc_rqst *req, struct compound_hdr *hdr) |
1da177e4 | 1535 | { |
28331a46 TM |
1536 | uint32_t attrs[2] = { |
1537 | FATTR4_WORD0_RDATTR_ERROR, | |
1538 | FATTR4_WORD1_MOUNTED_ON_FILEID, | |
1539 | }; | |
6f7a35bd | 1540 | uint32_t dircount = readdir->count >> 1; |
cd93710e | 1541 | __be32 *p, verf[2]; |
1da177e4 | 1542 | |
82f2e547 BS |
1543 | if (readdir->plus) { |
1544 | attrs[0] |= FATTR4_WORD0_TYPE|FATTR4_WORD0_CHANGE|FATTR4_WORD0_SIZE| | |
28331a46 | 1545 | FATTR4_WORD0_FSID|FATTR4_WORD0_FILEHANDLE|FATTR4_WORD0_FILEID; |
82f2e547 BS |
1546 | attrs[1] |= FATTR4_WORD1_MODE|FATTR4_WORD1_NUMLINKS|FATTR4_WORD1_OWNER| |
1547 | FATTR4_WORD1_OWNER_GROUP|FATTR4_WORD1_RAWDEV| | |
1548 | FATTR4_WORD1_SPACE_USED|FATTR4_WORD1_TIME_ACCESS| | |
1549 | FATTR4_WORD1_TIME_METADATA|FATTR4_WORD1_TIME_MODIFY; | |
6f7a35bd | 1550 | dircount >>= 1; |
82f2e547 | 1551 | } |
28331a46 TM |
1552 | /* Use mounted_on_fileid only if the server supports it */ |
1553 | if (!(readdir->bitmask[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) | |
1554 | attrs[0] |= FATTR4_WORD0_FILEID; | |
82f2e547 | 1555 | |
475d4ba0 | 1556 | encode_op_hdr(xdr, OP_READDIR, decode_readdir_maxsz, hdr); |
ff2eb681 | 1557 | encode_uint64(xdr, readdir->cookie); |
cd93710e CL |
1558 | encode_nfs4_verifier(xdr, &readdir->verifier); |
1559 | p = reserve_space(xdr, 20); | |
6f7a35bd | 1560 | *p++ = cpu_to_be32(dircount); |
e75bc1c8 BH |
1561 | *p++ = cpu_to_be32(readdir->count); |
1562 | *p++ = cpu_to_be32(2); | |
82f2e547 | 1563 | |
e75bc1c8 | 1564 | *p++ = cpu_to_be32(attrs[0] & readdir->bitmask[0]); |
34558513 | 1565 | *p = cpu_to_be32(attrs[1] & readdir->bitmask[1]); |
cd93710e | 1566 | memcpy(verf, readdir->verifier.data, sizeof(verf)); |
44109241 FI |
1567 | dprintk("%s: cookie = %Lu, verifier = %08x:%08x, bitmap = %08x:%08x\n", |
1568 | __func__, | |
eadf4598 | 1569 | (unsigned long long)readdir->cookie, |
cd93710e | 1570 | verf[0], verf[1], |
eadf4598 TM |
1571 | attrs[0] & readdir->bitmask[0], |
1572 | attrs[1] & readdir->bitmask[1]); | |
1da177e4 LT |
1573 | } |
1574 | ||
cf8cdbe5 | 1575 | static void encode_readlink(struct xdr_stream *xdr, const struct nfs4_readlink *readlink, struct rpc_rqst *req, struct compound_hdr *hdr) |
1da177e4 | 1576 | { |
ab19b481 | 1577 | encode_op_hdr(xdr, OP_READLINK, decode_readlink_maxsz, hdr); |
1da177e4 LT |
1578 | } |
1579 | ||
cf8cdbe5 | 1580 | static void encode_remove(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1581 | { |
ab19b481 | 1582 | encode_op_hdr(xdr, OP_REMOVE, decode_remove_maxsz, hdr); |
6fdfb0bc | 1583 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1584 | } |
1585 | ||
cf8cdbe5 | 1586 | static void encode_rename(struct xdr_stream *xdr, const struct qstr *oldname, const struct qstr *newname, struct compound_hdr *hdr) |
1da177e4 | 1587 | { |
ab19b481 | 1588 | encode_op_hdr(xdr, OP_RENAME, decode_rename_maxsz, hdr); |
811652bd BH |
1589 | encode_string(xdr, oldname->len, oldname->name); |
1590 | encode_string(xdr, newname->len, newname->name); | |
1da177e4 LT |
1591 | } |
1592 | ||
bb4dae5e CL |
1593 | static void encode_renew(struct xdr_stream *xdr, clientid4 clid, |
1594 | struct compound_hdr *hdr) | |
1da177e4 | 1595 | { |
475d4ba0 | 1596 | encode_op_hdr(xdr, OP_RENEW, decode_renew_maxsz, hdr); |
ff2eb681 | 1597 | encode_uint64(xdr, clid); |
1da177e4 LT |
1598 | } |
1599 | ||
cf8cdbe5 | 1600 | static void |
d017931c | 1601 | encode_restorefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
56ae19f3 | 1602 | { |
ab19b481 | 1603 | encode_op_hdr(xdr, OP_RESTOREFH, decode_restorefh_maxsz, hdr); |
56ae19f3 TM |
1604 | } |
1605 | ||
9f06c719 | 1606 | static void |
d017931c | 1607 | encode_setacl(struct xdr_stream *xdr, struct nfs_setaclargs *arg, struct compound_hdr *hdr) |
23ec6965 | 1608 | { |
8687b63a | 1609 | __be32 *p; |
23ec6965 | 1610 | |
ab19b481 | 1611 | encode_op_hdr(xdr, OP_SETATTR, decode_setacl_maxsz, hdr); |
ea9d23f5 | 1612 | encode_nfs4_stateid(xdr, &zero_stateid); |
13c65ce9 | 1613 | p = reserve_space(xdr, 2*4); |
e75bc1c8 | 1614 | *p++ = cpu_to_be32(1); |
34558513 | 1615 | *p = cpu_to_be32(FATTR4_WORD0_ACL); |
9f06c719 | 1616 | BUG_ON(arg->acl_len % 4); |
13c65ce9 | 1617 | p = reserve_space(xdr, 4); |
34558513 | 1618 | *p = cpu_to_be32(arg->acl_len); |
23ec6965 | 1619 | xdr_write_pages(xdr, arg->acl_pages, arg->acl_pgbase, arg->acl_len); |
23ec6965 BF |
1620 | } |
1621 | ||
cf8cdbe5 | 1622 | static void |
d017931c | 1623 | encode_savefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1624 | { |
ab19b481 | 1625 | encode_op_hdr(xdr, OP_SAVEFH, decode_savefh_maxsz, hdr); |
1da177e4 LT |
1626 | } |
1627 | ||
cf8cdbe5 | 1628 | static void encode_setattr(struct xdr_stream *xdr, const struct nfs_setattrargs *arg, const struct nfs_server *server, struct compound_hdr *hdr) |
1da177e4 | 1629 | { |
ab19b481 | 1630 | encode_op_hdr(xdr, OP_SETATTR, decode_setattr_maxsz, hdr); |
ea9d23f5 | 1631 | encode_nfs4_stateid(xdr, &arg->stateid); |
cf8cdbe5 | 1632 | encode_attrs(xdr, arg->iap, server); |
1da177e4 LT |
1633 | } |
1634 | ||
cf8cdbe5 | 1635 | static void encode_setclientid(struct xdr_stream *xdr, const struct nfs4_setclientid *setclientid, struct compound_hdr *hdr) |
1da177e4 | 1636 | { |
8687b63a | 1637 | __be32 *p; |
1da177e4 | 1638 | |
70019514 | 1639 | encode_op_hdr(xdr, OP_SETCLIENTID, decode_setclientid_maxsz, hdr); |
cd93710e | 1640 | encode_nfs4_verifier(xdr, setclientid->sc_verifier); |
1da177e4 LT |
1641 | |
1642 | encode_string(xdr, setclientid->sc_name_len, setclientid->sc_name); | |
13c65ce9 | 1643 | p = reserve_space(xdr, 4); |
34558513 | 1644 | *p = cpu_to_be32(setclientid->sc_prog); |
1da177e4 LT |
1645 | encode_string(xdr, setclientid->sc_netid_len, setclientid->sc_netid); |
1646 | encode_string(xdr, setclientid->sc_uaddr_len, setclientid->sc_uaddr); | |
13c65ce9 | 1647 | p = reserve_space(xdr, 4); |
34558513 | 1648 | *p = cpu_to_be32(setclientid->sc_cb_ident); |
1da177e4 LT |
1649 | } |
1650 | ||
bb8b27e5 | 1651 | static void encode_setclientid_confirm(struct xdr_stream *xdr, const struct nfs4_setclientid_res *arg, struct compound_hdr *hdr) |
1da177e4 | 1652 | { |
475d4ba0 TM |
1653 | encode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM, |
1654 | decode_setclientid_confirm_maxsz, hdr); | |
ff2eb681 | 1655 | encode_uint64(xdr, arg->clientid); |
cd93710e | 1656 | encode_nfs4_verifier(xdr, &arg->confirm); |
1da177e4 LT |
1657 | } |
1658 | ||
cf8cdbe5 | 1659 | static void encode_write(struct xdr_stream *xdr, const struct nfs_writeargs *args, struct compound_hdr *hdr) |
1da177e4 | 1660 | { |
8687b63a | 1661 | __be32 *p; |
1da177e4 | 1662 | |
ab19b481 | 1663 | encode_op_hdr(xdr, OP_WRITE, decode_write_maxsz, hdr); |
d0b496d2 | 1664 | encode_open_stateid(xdr, args->context, args->lock_context, |
4fc8796d | 1665 | FMODE_WRITE, hdr->minorversion); |
1da177e4 | 1666 | |
13c65ce9 | 1667 | p = reserve_space(xdr, 16); |
b95be5a9 | 1668 | p = xdr_encode_hyper(p, args->offset); |
e75bc1c8 | 1669 | *p++ = cpu_to_be32(args->stable); |
34558513 | 1670 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1671 | |
1672 | xdr_write_pages(xdr, args->pages, args->pgbase, args->count); | |
1da177e4 LT |
1673 | } |
1674 | ||
cf8cdbe5 | 1675 | static void encode_delegreturn(struct xdr_stream *xdr, const nfs4_stateid *stateid, struct compound_hdr *hdr) |
1da177e4 | 1676 | { |
ab19b481 | 1677 | encode_op_hdr(xdr, OP_DELEGRETURN, decode_delegreturn_maxsz, hdr); |
ea9d23f5 | 1678 | encode_nfs4_stateid(xdr, stateid); |
1da177e4 | 1679 | } |
9b7b9fcc | 1680 | |
5a5ea0d4 BS |
1681 | static void encode_secinfo(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1682 | { | |
ab19b481 | 1683 | encode_op_hdr(xdr, OP_SECINFO, decode_secinfo_maxsz, hdr); |
6fdfb0bc | 1684 | encode_string(xdr, name->len, name->name); |
5a5ea0d4 BS |
1685 | } |
1686 | ||
99fe60d0 | 1687 | #if defined(CONFIG_NFS_V4_1) |
9b7b9fcc | 1688 | /* NFSv4.1 operations */ |
7c44f1ae WAA |
1689 | static void encode_bind_conn_to_session(struct xdr_stream *xdr, |
1690 | struct nfs4_session *session, | |
1691 | struct compound_hdr *hdr) | |
1692 | { | |
1693 | __be32 *p; | |
1694 | ||
1695 | encode_op_hdr(xdr, OP_BIND_CONN_TO_SESSION, | |
1696 | decode_bind_conn_to_session_maxsz, hdr); | |
1697 | encode_opaque_fixed(xdr, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); | |
1698 | p = xdr_reserve_space(xdr, 8); | |
1699 | *p++ = cpu_to_be32(NFS4_CDFC4_BACK_OR_BOTH); | |
1700 | *p = 0; /* use_conn_in_rdma_mode = False */ | |
1701 | } | |
1702 | ||
99fe60d0 BH |
1703 | static void encode_exchange_id(struct xdr_stream *xdr, |
1704 | struct nfs41_exchange_id_args *args, | |
1705 | struct compound_hdr *hdr) | |
1706 | { | |
1707 | __be32 *p; | |
db8ac8ba WAA |
1708 | char impl_name[NFS4_OPAQUE_LIMIT]; |
1709 | int len = 0; | |
99fe60d0 | 1710 | |
70019514 | 1711 | encode_op_hdr(xdr, OP_EXCHANGE_ID, decode_exchange_id_maxsz, hdr); |
cd93710e | 1712 | encode_nfs4_verifier(xdr, args->verifier); |
99fe60d0 BH |
1713 | |
1714 | encode_string(xdr, args->id_len, args->id); | |
1715 | ||
13c65ce9 | 1716 | p = reserve_space(xdr, 12); |
e75bc1c8 BH |
1717 | *p++ = cpu_to_be32(args->flags); |
1718 | *p++ = cpu_to_be32(0); /* zero length state_protect4_a */ | |
db8ac8ba WAA |
1719 | |
1720 | if (send_implementation_id && | |
1721 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) > 1 && | |
1722 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) | |
1723 | <= NFS4_OPAQUE_LIMIT + 1) | |
1724 | len = snprintf(impl_name, sizeof(impl_name), "%s %s %s %s", | |
1725 | utsname()->sysname, utsname()->release, | |
1726 | utsname()->version, utsname()->machine); | |
1727 | ||
1728 | if (len > 0) { | |
1729 | *p = cpu_to_be32(1); /* implementation id array length=1 */ | |
1730 | ||
1731 | encode_string(xdr, | |
1732 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) - 1, | |
1733 | CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN); | |
1734 | encode_string(xdr, len, impl_name); | |
1735 | /* just send zeros for nii_date - the date is in nii_name */ | |
1736 | p = reserve_space(xdr, 12); | |
1737 | p = xdr_encode_hyper(p, 0); | |
1738 | *p = cpu_to_be32(0); | |
1739 | } else | |
1740 | *p = cpu_to_be32(0); /* implementation id array length=0 */ | |
99fe60d0 | 1741 | } |
fc931582 AA |
1742 | |
1743 | static void encode_create_session(struct xdr_stream *xdr, | |
1744 | struct nfs41_create_session_args *args, | |
1745 | struct compound_hdr *hdr) | |
1746 | { | |
1747 | __be32 *p; | |
1748 | char machine_name[NFS4_MAX_MACHINE_NAME_LEN]; | |
1749 | uint32_t len; | |
1750 | struct nfs_client *clp = args->client; | |
f092075d | 1751 | struct nfs_net *nn = net_generic(clp->cl_net, nfs_net_id); |
8e0d46e1 MS |
1752 | u32 max_resp_sz_cached; |
1753 | ||
1754 | /* | |
1755 | * Assumes OPEN is the biggest non-idempotent compound. | |
1756 | * 2 is the verifier. | |
1757 | */ | |
1758 | max_resp_sz_cached = (NFS4_dec_open_sz + RPC_REPHDRSIZE + | |
1759 | RPC_MAX_AUTH_SIZE + 2) * XDR_UNIT; | |
fc931582 | 1760 | |
42edd698 BH |
1761 | len = scnprintf(machine_name, sizeof(machine_name), "%s", |
1762 | clp->cl_ipaddr); | |
fc931582 | 1763 | |
475d4ba0 TM |
1764 | encode_op_hdr(xdr, OP_CREATE_SESSION, decode_create_session_maxsz, hdr); |
1765 | p = reserve_space(xdr, 16 + 2*28 + 20 + len + 12); | |
114f64b5 | 1766 | p = xdr_encode_hyper(p, clp->cl_clientid); |
e75bc1c8 BH |
1767 | *p++ = cpu_to_be32(clp->cl_seqid); /*Sequence id */ |
1768 | *p++ = cpu_to_be32(args->flags); /*flags */ | |
fc931582 | 1769 | |
fc931582 | 1770 | /* Fore Channel */ |
c9c30dd5 | 1771 | *p++ = cpu_to_be32(0); /* header padding size */ |
e75bc1c8 BH |
1772 | *p++ = cpu_to_be32(args->fc_attrs.max_rqst_sz); /* max req size */ |
1773 | *p++ = cpu_to_be32(args->fc_attrs.max_resp_sz); /* max resp size */ | |
8e0d46e1 | 1774 | *p++ = cpu_to_be32(max_resp_sz_cached); /* Max resp sz cached */ |
e75bc1c8 BH |
1775 | *p++ = cpu_to_be32(args->fc_attrs.max_ops); /* max operations */ |
1776 | *p++ = cpu_to_be32(args->fc_attrs.max_reqs); /* max requests */ | |
1777 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ | |
fc931582 AA |
1778 | |
1779 | /* Back Channel */ | |
c9c30dd5 | 1780 | *p++ = cpu_to_be32(0); /* header padding size */ |
e75bc1c8 BH |
1781 | *p++ = cpu_to_be32(args->bc_attrs.max_rqst_sz); /* max req size */ |
1782 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz); /* max resp size */ | |
1783 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz_cached); /* Max resp sz cached */ | |
1784 | *p++ = cpu_to_be32(args->bc_attrs.max_ops); /* max operations */ | |
1785 | *p++ = cpu_to_be32(args->bc_attrs.max_reqs); /* max requests */ | |
1786 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ | |
fc931582 | 1787 | |
e75bc1c8 | 1788 | *p++ = cpu_to_be32(args->cb_program); /* cb_program */ |
e75bc1c8 | 1789 | *p++ = cpu_to_be32(1); |
e75bc1c8 | 1790 | *p++ = cpu_to_be32(RPC_AUTH_UNIX); /* auth_sys */ |
fc931582 AA |
1791 | |
1792 | /* authsys_parms rfc1831 */ | |
f092075d | 1793 | *p++ = (__be32)nn->boot_time.tv_nsec; /* stamp */ |
811652bd | 1794 | p = xdr_encode_opaque(p, machine_name, len); |
e75bc1c8 BH |
1795 | *p++ = cpu_to_be32(0); /* UID */ |
1796 | *p++ = cpu_to_be32(0); /* GID */ | |
34558513 | 1797 | *p = cpu_to_be32(0); /* No more gids */ |
fc931582 | 1798 | } |
0f3e66c6 AA |
1799 | |
1800 | static void encode_destroy_session(struct xdr_stream *xdr, | |
1801 | struct nfs4_session *session, | |
1802 | struct compound_hdr *hdr) | |
1803 | { | |
475d4ba0 TM |
1804 | encode_op_hdr(xdr, OP_DESTROY_SESSION, decode_destroy_session_maxsz, hdr); |
1805 | encode_opaque_fixed(xdr, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); | |
0f3e66c6 | 1806 | } |
18019753 | 1807 | |
66245539 TM |
1808 | static void encode_destroy_clientid(struct xdr_stream *xdr, |
1809 | uint64_t clientid, | |
1810 | struct compound_hdr *hdr) | |
1811 | { | |
1812 | encode_op_hdr(xdr, OP_DESTROY_CLIENTID, decode_destroy_clientid_maxsz, hdr); | |
1813 | encode_uint64(xdr, clientid); | |
1814 | } | |
1815 | ||
18019753 RL |
1816 | static void encode_reclaim_complete(struct xdr_stream *xdr, |
1817 | struct nfs41_reclaim_complete_args *args, | |
1818 | struct compound_hdr *hdr) | |
1819 | { | |
475d4ba0 TM |
1820 | encode_op_hdr(xdr, OP_RECLAIM_COMPLETE, decode_reclaim_complete_maxsz, hdr); |
1821 | encode_uint32(xdr, args->one_fs); | |
18019753 | 1822 | } |
99fe60d0 BH |
1823 | #endif /* CONFIG_NFS_V4_1 */ |
1824 | ||
9b7b9fcc AA |
1825 | static void encode_sequence(struct xdr_stream *xdr, |
1826 | const struct nfs4_sequence_args *args, | |
1827 | struct compound_hdr *hdr) | |
1828 | { | |
1829 | #if defined(CONFIG_NFS_V4_1) | |
1830 | struct nfs4_session *session = args->sa_session; | |
fc01cea9 AA |
1831 | struct nfs4_slot_table *tp; |
1832 | struct nfs4_slot *slot; | |
1833 | __be32 *p; | |
9b7b9fcc AA |
1834 | |
1835 | if (!session) | |
1836 | return; | |
1837 | ||
fc01cea9 AA |
1838 | tp = &session->fc_slot_table; |
1839 | ||
1840 | WARN_ON(args->sa_slotid == NFS4_MAX_SLOT_TABLE); | |
1841 | slot = tp->slots + args->sa_slotid; | |
1842 | ||
475d4ba0 | 1843 | encode_op_hdr(xdr, OP_SEQUENCE, decode_sequence_maxsz, hdr); |
fc01cea9 AA |
1844 | |
1845 | /* | |
1846 | * Sessionid + seqid + slotid + max slotid + cache_this | |
1847 | */ | |
1848 | dprintk("%s: sessionid=%u:%u:%u:%u seqid=%d slotid=%d " | |
1849 | "max_slotid=%d cache_this=%d\n", | |
1850 | __func__, | |
1851 | ((u32 *)session->sess_id.data)[0], | |
1852 | ((u32 *)session->sess_id.data)[1], | |
1853 | ((u32 *)session->sess_id.data)[2], | |
1854 | ((u32 *)session->sess_id.data)[3], | |
1855 | slot->seq_nr, args->sa_slotid, | |
1856 | tp->highest_used_slotid, args->sa_cache_this); | |
475d4ba0 | 1857 | p = reserve_space(xdr, NFS4_MAX_SESSIONID_LEN + 16); |
93f0cf25 | 1858 | p = xdr_encode_opaque_fixed(p, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); |
e75bc1c8 BH |
1859 | *p++ = cpu_to_be32(slot->seq_nr); |
1860 | *p++ = cpu_to_be32(args->sa_slotid); | |
1861 | *p++ = cpu_to_be32(tp->highest_used_slotid); | |
34558513 | 1862 | *p = cpu_to_be32(args->sa_cache_this); |
9b7b9fcc AA |
1863 | #endif /* CONFIG_NFS_V4_1 */ |
1864 | } | |
1865 | ||
b1f69b75 | 1866 | #ifdef CONFIG_NFS_V4_1 |
7f11d8d3 AA |
1867 | static void |
1868 | encode_getdevicelist(struct xdr_stream *xdr, | |
1869 | const struct nfs4_getdevicelist_args *args, | |
1870 | struct compound_hdr *hdr) | |
1871 | { | |
1872 | __be32 *p; | |
1873 | nfs4_verifier dummy = { | |
1874 | .data = "dummmmmy", | |
1875 | }; | |
1876 | ||
475d4ba0 TM |
1877 | encode_op_hdr(xdr, OP_GETDEVICELIST, decode_getdevicelist_maxsz, hdr); |
1878 | p = reserve_space(xdr, 16); | |
7f11d8d3 AA |
1879 | *p++ = cpu_to_be32(args->layoutclass); |
1880 | *p++ = cpu_to_be32(NFS4_PNFS_GETDEVLIST_MAXNUM); | |
1881 | xdr_encode_hyper(p, 0ULL); /* cookie */ | |
1882 | encode_nfs4_verifier(xdr, &dummy); | |
7f11d8d3 AA |
1883 | } |
1884 | ||
b1f69b75 AA |
1885 | static void |
1886 | encode_getdeviceinfo(struct xdr_stream *xdr, | |
1887 | const struct nfs4_getdeviceinfo_args *args, | |
1888 | struct compound_hdr *hdr) | |
1889 | { | |
1890 | __be32 *p; | |
1891 | ||
475d4ba0 TM |
1892 | encode_op_hdr(xdr, OP_GETDEVICEINFO, decode_getdeviceinfo_maxsz, hdr); |
1893 | p = reserve_space(xdr, 12 + NFS4_DEVICEID4_SIZE); | |
b1f69b75 AA |
1894 | p = xdr_encode_opaque_fixed(p, args->pdev->dev_id.data, |
1895 | NFS4_DEVICEID4_SIZE); | |
1896 | *p++ = cpu_to_be32(args->pdev->layout_type); | |
1897 | *p++ = cpu_to_be32(args->pdev->pglen); /* gdia_maxcount */ | |
1898 | *p++ = cpu_to_be32(0); /* bitmap length 0 */ | |
b1f69b75 AA |
1899 | } |
1900 | ||
1901 | static void | |
1902 | encode_layoutget(struct xdr_stream *xdr, | |
1903 | const struct nfs4_layoutget_args *args, | |
1904 | struct compound_hdr *hdr) | |
1905 | { | |
b1f69b75 AA |
1906 | __be32 *p; |
1907 | ||
475d4ba0 TM |
1908 | encode_op_hdr(xdr, OP_LAYOUTGET, decode_layoutget_maxsz, hdr); |
1909 | p = reserve_space(xdr, 36); | |
b1f69b75 AA |
1910 | *p++ = cpu_to_be32(0); /* Signal layout available */ |
1911 | *p++ = cpu_to_be32(args->type); | |
1912 | *p++ = cpu_to_be32(args->range.iomode); | |
1913 | p = xdr_encode_hyper(p, args->range.offset); | |
1914 | p = xdr_encode_hyper(p, args->range.length); | |
1915 | p = xdr_encode_hyper(p, args->minlength); | |
ea9d23f5 | 1916 | encode_nfs4_stateid(xdr, &args->stateid); |
475d4ba0 | 1917 | encode_uint32(xdr, args->maxcount); |
b1f69b75 AA |
1918 | |
1919 | dprintk("%s: 1st type:0x%x iomode:%d off:%lu len:%lu mc:%d\n", | |
1920 | __func__, | |
1921 | args->type, | |
1922 | args->range.iomode, | |
1923 | (unsigned long)args->range.offset, | |
1924 | (unsigned long)args->range.length, | |
1925 | args->maxcount); | |
b1f69b75 | 1926 | } |
863a3c6c AA |
1927 | |
1928 | static int | |
1929 | encode_layoutcommit(struct xdr_stream *xdr, | |
ac7db726 | 1930 | struct inode *inode, |
863a3c6c AA |
1931 | const struct nfs4_layoutcommit_args *args, |
1932 | struct compound_hdr *hdr) | |
1933 | { | |
1934 | __be32 *p; | |
1935 | ||
1936 | dprintk("%s: lbw: %llu type: %d\n", __func__, args->lastbytewritten, | |
1937 | NFS_SERVER(args->inode)->pnfs_curr_ld->id); | |
1938 | ||
475d4ba0 TM |
1939 | encode_op_hdr(xdr, OP_LAYOUTCOMMIT, decode_layoutcommit_maxsz, hdr); |
1940 | p = reserve_space(xdr, 20); | |
863a3c6c AA |
1941 | /* Only whole file layouts */ |
1942 | p = xdr_encode_hyper(p, 0); /* offset */ | |
3557c6c3 | 1943 | p = xdr_encode_hyper(p, args->lastbytewritten + 1); /* length */ |
ea9d23f5 TM |
1944 | *p = cpu_to_be32(0); /* reclaim */ |
1945 | encode_nfs4_stateid(xdr, &args->stateid); | |
1946 | p = reserve_space(xdr, 20); | |
863a3c6c AA |
1947 | *p++ = cpu_to_be32(1); /* newoffset = TRUE */ |
1948 | p = xdr_encode_hyper(p, args->lastbytewritten); | |
1949 | *p++ = cpu_to_be32(0); /* Never send time_modify_changed */ | |
1950 | *p++ = cpu_to_be32(NFS_SERVER(args->inode)->pnfs_curr_ld->id);/* type */ | |
ac7db726 BH |
1951 | |
1952 | if (NFS_SERVER(inode)->pnfs_curr_ld->encode_layoutcommit) | |
1953 | NFS_SERVER(inode)->pnfs_curr_ld->encode_layoutcommit( | |
1954 | NFS_I(inode)->layout, xdr, args); | |
475d4ba0 TM |
1955 | else |
1956 | encode_uint32(xdr, 0); /* no layout-type payload */ | |
863a3c6c | 1957 | |
863a3c6c AA |
1958 | return 0; |
1959 | } | |
cbe82603 BH |
1960 | |
1961 | static void | |
1962 | encode_layoutreturn(struct xdr_stream *xdr, | |
1963 | const struct nfs4_layoutreturn_args *args, | |
1964 | struct compound_hdr *hdr) | |
1965 | { | |
1966 | __be32 *p; | |
1967 | ||
475d4ba0 TM |
1968 | encode_op_hdr(xdr, OP_LAYOUTRETURN, decode_layoutreturn_maxsz, hdr); |
1969 | p = reserve_space(xdr, 16); | |
cbe82603 BH |
1970 | *p++ = cpu_to_be32(0); /* reclaim. always 0 for now */ |
1971 | *p++ = cpu_to_be32(args->layout_type); | |
1972 | *p++ = cpu_to_be32(IOMODE_ANY); | |
1973 | *p = cpu_to_be32(RETURN_FILE); | |
ea9d23f5 | 1974 | p = reserve_space(xdr, 16); |
cbe82603 BH |
1975 | p = xdr_encode_hyper(p, 0); |
1976 | p = xdr_encode_hyper(p, NFS4_MAX_UINT64); | |
1977 | spin_lock(&args->inode->i_lock); | |
ea9d23f5 | 1978 | encode_nfs4_stateid(xdr, &args->stateid); |
cbe82603 | 1979 | spin_unlock(&args->inode->i_lock); |
04a55549 AA |
1980 | if (NFS_SERVER(args->inode)->pnfs_curr_ld->encode_layoutreturn) { |
1981 | NFS_SERVER(args->inode)->pnfs_curr_ld->encode_layoutreturn( | |
1982 | NFS_I(args->inode)->layout, xdr, args); | |
475d4ba0 TM |
1983 | } else |
1984 | encode_uint32(xdr, 0); | |
cbe82603 | 1985 | } |
fca78d6d BS |
1986 | |
1987 | static int | |
1988 | encode_secinfo_no_name(struct xdr_stream *xdr, | |
1989 | const struct nfs41_secinfo_no_name_args *args, | |
1990 | struct compound_hdr *hdr) | |
1991 | { | |
475d4ba0 TM |
1992 | encode_op_hdr(xdr, OP_SECINFO_NO_NAME, decode_secinfo_no_name_maxsz, hdr); |
1993 | encode_uint32(xdr, args->style); | |
fca78d6d BS |
1994 | return 0; |
1995 | } | |
7d974794 BS |
1996 | |
1997 | static void encode_test_stateid(struct xdr_stream *xdr, | |
1998 | struct nfs41_test_stateid_args *args, | |
1999 | struct compound_hdr *hdr) | |
2000 | { | |
475d4ba0 TM |
2001 | encode_op_hdr(xdr, OP_TEST_STATEID, decode_test_stateid_maxsz, hdr); |
2002 | encode_uint32(xdr, 1); | |
ea9d23f5 | 2003 | encode_nfs4_stateid(xdr, args->stateid); |
7d974794 | 2004 | } |
9aeda35f BS |
2005 | |
2006 | static void encode_free_stateid(struct xdr_stream *xdr, | |
2007 | struct nfs41_free_stateid_args *args, | |
2008 | struct compound_hdr *hdr) | |
2009 | { | |
ab19b481 | 2010 | encode_op_hdr(xdr, OP_FREE_STATEID, decode_free_stateid_maxsz, hdr); |
ea9d23f5 | 2011 | encode_nfs4_stateid(xdr, args->stateid); |
9aeda35f | 2012 | } |
b1f69b75 AA |
2013 | #endif /* CONFIG_NFS_V4_1 */ |
2014 | ||
1da177e4 LT |
2015 | /* |
2016 | * END OF "GENERIC" ENCODE ROUTINES. | |
2017 | */ | |
2018 | ||
66cc0429 BH |
2019 | static u32 nfs4_xdr_minorversion(const struct nfs4_sequence_args *args) |
2020 | { | |
2021 | #if defined(CONFIG_NFS_V4_1) | |
2022 | if (args->sa_session) | |
a4432345 | 2023 | return args->sa_session->clp->cl_mvops->minor_version; |
66cc0429 BH |
2024 | #endif /* CONFIG_NFS_V4_1 */ |
2025 | return 0; | |
2026 | } | |
2027 | ||
1da177e4 LT |
2028 | /* |
2029 | * Encode an ACCESS request | |
2030 | */ | |
9f06c719 CL |
2031 | static void nfs4_xdr_enc_access(struct rpc_rqst *req, struct xdr_stream *xdr, |
2032 | const struct nfs4_accessargs *args) | |
1da177e4 | 2033 | { |
1da177e4 | 2034 | struct compound_hdr hdr = { |
66cc0429 | 2035 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2036 | }; |
1da177e4 | 2037 | |
9f06c719 CL |
2038 | encode_compound_hdr(xdr, req, &hdr); |
2039 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2040 | encode_putfh(xdr, args->fh, &hdr); | |
2041 | encode_access(xdr, args->access, &hdr); | |
2042 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2043 | encode_nops(&hdr); |
1da177e4 LT |
2044 | } |
2045 | ||
2046 | /* | |
2047 | * Encode LOOKUP request | |
2048 | */ | |
9f06c719 CL |
2049 | static void nfs4_xdr_enc_lookup(struct rpc_rqst *req, struct xdr_stream *xdr, |
2050 | const struct nfs4_lookup_arg *args) | |
1da177e4 | 2051 | { |
1da177e4 | 2052 | struct compound_hdr hdr = { |
66cc0429 | 2053 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2054 | }; |
1da177e4 | 2055 | |
9f06c719 CL |
2056 | encode_compound_hdr(xdr, req, &hdr); |
2057 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2058 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2059 | encode_lookup(xdr, args->name, &hdr); | |
2060 | encode_getfh(xdr, &hdr); | |
2061 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2062 | encode_nops(&hdr); |
1da177e4 LT |
2063 | } |
2064 | ||
2065 | /* | |
2066 | * Encode LOOKUP_ROOT request | |
2067 | */ | |
9f06c719 CL |
2068 | static void nfs4_xdr_enc_lookup_root(struct rpc_rqst *req, |
2069 | struct xdr_stream *xdr, | |
2070 | const struct nfs4_lookup_root_arg *args) | |
1da177e4 | 2071 | { |
1da177e4 | 2072 | struct compound_hdr hdr = { |
66cc0429 | 2073 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2074 | }; |
1da177e4 | 2075 | |
9f06c719 CL |
2076 | encode_compound_hdr(xdr, req, &hdr); |
2077 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2078 | encode_putrootfh(xdr, &hdr); | |
2079 | encode_getfh(xdr, &hdr); | |
2080 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2081 | encode_nops(&hdr); |
1da177e4 LT |
2082 | } |
2083 | ||
2084 | /* | |
2085 | * Encode REMOVE request | |
2086 | */ | |
9f06c719 CL |
2087 | static void nfs4_xdr_enc_remove(struct rpc_rqst *req, struct xdr_stream *xdr, |
2088 | const struct nfs_removeargs *args) | |
1da177e4 | 2089 | { |
1da177e4 | 2090 | struct compound_hdr hdr = { |
66cc0429 | 2091 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2092 | }; |
1da177e4 | 2093 | |
9f06c719 CL |
2094 | encode_compound_hdr(xdr, req, &hdr); |
2095 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2096 | encode_putfh(xdr, args->fh, &hdr); | |
2097 | encode_remove(xdr, &args->name, &hdr); | |
d017931c | 2098 | encode_nops(&hdr); |
1da177e4 LT |
2099 | } |
2100 | ||
2101 | /* | |
2102 | * Encode RENAME request | |
2103 | */ | |
9f06c719 CL |
2104 | static void nfs4_xdr_enc_rename(struct rpc_rqst *req, struct xdr_stream *xdr, |
2105 | const struct nfs_renameargs *args) | |
1da177e4 | 2106 | { |
1da177e4 | 2107 | struct compound_hdr hdr = { |
66cc0429 | 2108 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2109 | }; |
1da177e4 | 2110 | |
9f06c719 CL |
2111 | encode_compound_hdr(xdr, req, &hdr); |
2112 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2113 | encode_putfh(xdr, args->old_dir, &hdr); | |
2114 | encode_savefh(xdr, &hdr); | |
2115 | encode_putfh(xdr, args->new_dir, &hdr); | |
2116 | encode_rename(xdr, args->old_name, args->new_name, &hdr); | |
d017931c | 2117 | encode_nops(&hdr); |
1da177e4 LT |
2118 | } |
2119 | ||
2120 | /* | |
2121 | * Encode LINK request | |
2122 | */ | |
9f06c719 CL |
2123 | static void nfs4_xdr_enc_link(struct rpc_rqst *req, struct xdr_stream *xdr, |
2124 | const struct nfs4_link_arg *args) | |
1da177e4 | 2125 | { |
1da177e4 | 2126 | struct compound_hdr hdr = { |
66cc0429 | 2127 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2128 | }; |
1da177e4 | 2129 | |
9f06c719 CL |
2130 | encode_compound_hdr(xdr, req, &hdr); |
2131 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2132 | encode_putfh(xdr, args->fh, &hdr); | |
2133 | encode_savefh(xdr, &hdr); | |
2134 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2135 | encode_link(xdr, args->name, &hdr); | |
9f06c719 CL |
2136 | encode_restorefh(xdr, &hdr); |
2137 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2138 | encode_nops(&hdr); |
1da177e4 LT |
2139 | } |
2140 | ||
2141 | /* | |
2142 | * Encode CREATE request | |
2143 | */ | |
9f06c719 CL |
2144 | static void nfs4_xdr_enc_create(struct rpc_rqst *req, struct xdr_stream *xdr, |
2145 | const struct nfs4_create_arg *args) | |
1da177e4 | 2146 | { |
1da177e4 | 2147 | struct compound_hdr hdr = { |
66cc0429 | 2148 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2149 | }; |
1da177e4 | 2150 | |
9f06c719 CL |
2151 | encode_compound_hdr(xdr, req, &hdr); |
2152 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2153 | encode_putfh(xdr, args->dir_fh, &hdr); | |
9f06c719 CL |
2154 | encode_create(xdr, args, &hdr); |
2155 | encode_getfh(xdr, &hdr); | |
2156 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2157 | encode_nops(&hdr); |
1da177e4 LT |
2158 | } |
2159 | ||
2160 | /* | |
2161 | * Encode SYMLINK request | |
2162 | */ | |
9f06c719 CL |
2163 | static void nfs4_xdr_enc_symlink(struct rpc_rqst *req, struct xdr_stream *xdr, |
2164 | const struct nfs4_create_arg *args) | |
1da177e4 | 2165 | { |
9f06c719 | 2166 | nfs4_xdr_enc_create(req, xdr, args); |
1da177e4 LT |
2167 | } |
2168 | ||
2169 | /* | |
2170 | * Encode GETATTR request | |
2171 | */ | |
9f06c719 CL |
2172 | static void nfs4_xdr_enc_getattr(struct rpc_rqst *req, struct xdr_stream *xdr, |
2173 | const struct nfs4_getattr_arg *args) | |
1da177e4 | 2174 | { |
1da177e4 | 2175 | struct compound_hdr hdr = { |
66cc0429 | 2176 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2177 | }; |
1da177e4 | 2178 | |
9f06c719 CL |
2179 | encode_compound_hdr(xdr, req, &hdr); |
2180 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2181 | encode_putfh(xdr, args->fh, &hdr); | |
2182 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2183 | encode_nops(&hdr); |
1da177e4 LT |
2184 | } |
2185 | ||
2186 | /* | |
2187 | * Encode a CLOSE request | |
2188 | */ | |
9f06c719 CL |
2189 | static void nfs4_xdr_enc_close(struct rpc_rqst *req, struct xdr_stream *xdr, |
2190 | struct nfs_closeargs *args) | |
1da177e4 | 2191 | { |
05d564fe | 2192 | struct compound_hdr hdr = { |
66cc0429 | 2193 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 2194 | }; |
05d564fe | 2195 | |
9f06c719 CL |
2196 | encode_compound_hdr(xdr, req, &hdr); |
2197 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2198 | encode_putfh(xdr, args->fh, &hdr); | |
2199 | encode_close(xdr, args, &hdr); | |
2200 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2201 | encode_nops(&hdr); |
1da177e4 LT |
2202 | } |
2203 | ||
2204 | /* | |
2205 | * Encode an OPEN request | |
2206 | */ | |
9f06c719 CL |
2207 | static void nfs4_xdr_enc_open(struct rpc_rqst *req, struct xdr_stream *xdr, |
2208 | struct nfs_openargs *args) | |
1da177e4 | 2209 | { |
1da177e4 | 2210 | struct compound_hdr hdr = { |
66cc0429 | 2211 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2212 | }; |
1da177e4 | 2213 | |
9f06c719 CL |
2214 | encode_compound_hdr(xdr, req, &hdr); |
2215 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2216 | encode_putfh(xdr, args->fh, &hdr); | |
9f06c719 CL |
2217 | encode_open(xdr, args, &hdr); |
2218 | encode_getfh(xdr, &hdr); | |
1549210f | 2219 | encode_getfattr_open(xdr, args->bitmask, args->open_bitmap, &hdr); |
d017931c | 2220 | encode_nops(&hdr); |
1da177e4 LT |
2221 | } |
2222 | ||
2223 | /* | |
2224 | * Encode an OPEN_CONFIRM request | |
2225 | */ | |
9f06c719 CL |
2226 | static void nfs4_xdr_enc_open_confirm(struct rpc_rqst *req, |
2227 | struct xdr_stream *xdr, | |
2228 | struct nfs_open_confirmargs *args) | |
1da177e4 | 2229 | { |
1da177e4 | 2230 | struct compound_hdr hdr = { |
d017931c | 2231 | .nops = 0, |
1da177e4 | 2232 | }; |
1da177e4 | 2233 | |
9f06c719 CL |
2234 | encode_compound_hdr(xdr, req, &hdr); |
2235 | encode_putfh(xdr, args->fh, &hdr); | |
2236 | encode_open_confirm(xdr, args, &hdr); | |
d017931c | 2237 | encode_nops(&hdr); |
1da177e4 LT |
2238 | } |
2239 | ||
2240 | /* | |
2241 | * Encode an OPEN request with no attributes. | |
2242 | */ | |
9f06c719 CL |
2243 | static void nfs4_xdr_enc_open_noattr(struct rpc_rqst *req, |
2244 | struct xdr_stream *xdr, | |
2245 | struct nfs_openargs *args) | |
1da177e4 | 2246 | { |
1da177e4 | 2247 | struct compound_hdr hdr = { |
66cc0429 | 2248 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2249 | }; |
1da177e4 | 2250 | |
9f06c719 CL |
2251 | encode_compound_hdr(xdr, req, &hdr); |
2252 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2253 | encode_putfh(xdr, args->fh, &hdr); | |
2254 | encode_open(xdr, args, &hdr); | |
2255 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2256 | encode_nops(&hdr); |
1da177e4 LT |
2257 | } |
2258 | ||
2259 | /* | |
2260 | * Encode an OPEN_DOWNGRADE request | |
2261 | */ | |
9f06c719 CL |
2262 | static void nfs4_xdr_enc_open_downgrade(struct rpc_rqst *req, |
2263 | struct xdr_stream *xdr, | |
2264 | struct nfs_closeargs *args) | |
1da177e4 | 2265 | { |
1da177e4 | 2266 | struct compound_hdr hdr = { |
66cc0429 | 2267 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2268 | }; |
1da177e4 | 2269 | |
9f06c719 CL |
2270 | encode_compound_hdr(xdr, req, &hdr); |
2271 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2272 | encode_putfh(xdr, args->fh, &hdr); | |
2273 | encode_open_downgrade(xdr, args, &hdr); | |
2274 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2275 | encode_nops(&hdr); |
1da177e4 LT |
2276 | } |
2277 | ||
2278 | /* | |
2279 | * Encode a LOCK request | |
2280 | */ | |
9f06c719 CL |
2281 | static void nfs4_xdr_enc_lock(struct rpc_rqst *req, struct xdr_stream *xdr, |
2282 | struct nfs_lock_args *args) | |
1da177e4 | 2283 | { |
1da177e4 | 2284 | struct compound_hdr hdr = { |
66cc0429 | 2285 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2286 | }; |
1da177e4 | 2287 | |
9f06c719 CL |
2288 | encode_compound_hdr(xdr, req, &hdr); |
2289 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2290 | encode_putfh(xdr, args->fh, &hdr); | |
2291 | encode_lock(xdr, args, &hdr); | |
d017931c | 2292 | encode_nops(&hdr); |
1da177e4 LT |
2293 | } |
2294 | ||
2295 | /* | |
2296 | * Encode a LOCKT request | |
2297 | */ | |
9f06c719 CL |
2298 | static void nfs4_xdr_enc_lockt(struct rpc_rqst *req, struct xdr_stream *xdr, |
2299 | struct nfs_lockt_args *args) | |
1da177e4 | 2300 | { |
1da177e4 | 2301 | struct compound_hdr hdr = { |
66cc0429 | 2302 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2303 | }; |
1da177e4 | 2304 | |
9f06c719 CL |
2305 | encode_compound_hdr(xdr, req, &hdr); |
2306 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2307 | encode_putfh(xdr, args->fh, &hdr); | |
2308 | encode_lockt(xdr, args, &hdr); | |
d017931c | 2309 | encode_nops(&hdr); |
1da177e4 LT |
2310 | } |
2311 | ||
2312 | /* | |
2313 | * Encode a LOCKU request | |
2314 | */ | |
9f06c719 CL |
2315 | static void nfs4_xdr_enc_locku(struct rpc_rqst *req, struct xdr_stream *xdr, |
2316 | struct nfs_locku_args *args) | |
1da177e4 | 2317 | { |
1da177e4 | 2318 | struct compound_hdr hdr = { |
66cc0429 | 2319 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2320 | }; |
1da177e4 | 2321 | |
9f06c719 CL |
2322 | encode_compound_hdr(xdr, req, &hdr); |
2323 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2324 | encode_putfh(xdr, args->fh, &hdr); | |
2325 | encode_locku(xdr, args, &hdr); | |
d017931c | 2326 | encode_nops(&hdr); |
1da177e4 LT |
2327 | } |
2328 | ||
9f06c719 CL |
2329 | static void nfs4_xdr_enc_release_lockowner(struct rpc_rqst *req, |
2330 | struct xdr_stream *xdr, | |
2331 | struct nfs_release_lockowner_args *args) | |
d3c7b7cc | 2332 | { |
d3c7b7cc TM |
2333 | struct compound_hdr hdr = { |
2334 | .minorversion = 0, | |
2335 | }; | |
2336 | ||
9f06c719 CL |
2337 | encode_compound_hdr(xdr, req, &hdr); |
2338 | encode_release_lockowner(xdr, &args->lock_owner, &hdr); | |
d3c7b7cc | 2339 | encode_nops(&hdr); |
d3c7b7cc TM |
2340 | } |
2341 | ||
1da177e4 LT |
2342 | /* |
2343 | * Encode a READLINK request | |
2344 | */ | |
9f06c719 CL |
2345 | static void nfs4_xdr_enc_readlink(struct rpc_rqst *req, struct xdr_stream *xdr, |
2346 | const struct nfs4_readlink *args) | |
1da177e4 | 2347 | { |
1da177e4 | 2348 | struct compound_hdr hdr = { |
66cc0429 | 2349 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2350 | }; |
1da177e4 | 2351 | |
9f06c719 CL |
2352 | encode_compound_hdr(xdr, req, &hdr); |
2353 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2354 | encode_putfh(xdr, args->fh, &hdr); | |
2355 | encode_readlink(xdr, args, req, &hdr); | |
e3a535e1 | 2356 | |
28f56694 | 2357 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, |
e3a535e1 | 2358 | args->pgbase, args->pglen); |
d017931c | 2359 | encode_nops(&hdr); |
1da177e4 LT |
2360 | } |
2361 | ||
2362 | /* | |
2363 | * Encode a READDIR request | |
2364 | */ | |
9f06c719 CL |
2365 | static void nfs4_xdr_enc_readdir(struct rpc_rqst *req, struct xdr_stream *xdr, |
2366 | const struct nfs4_readdir_arg *args) | |
1da177e4 | 2367 | { |
1da177e4 | 2368 | struct compound_hdr hdr = { |
66cc0429 | 2369 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2370 | }; |
1da177e4 | 2371 | |
9f06c719 CL |
2372 | encode_compound_hdr(xdr, req, &hdr); |
2373 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2374 | encode_putfh(xdr, args->fh, &hdr); | |
2375 | encode_readdir(xdr, args, req, &hdr); | |
d6ac02df | 2376 | |
28f56694 | 2377 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, |
d6ac02df TM |
2378 | args->pgbase, args->count); |
2379 | dprintk("%s: inlined page args = (%u, %p, %u, %u)\n", | |
28f56694 | 2380 | __func__, hdr.replen << 2, args->pages, |
d6ac02df | 2381 | args->pgbase, args->count); |
d017931c | 2382 | encode_nops(&hdr); |
1da177e4 LT |
2383 | } |
2384 | ||
2385 | /* | |
2386 | * Encode a READ request | |
2387 | */ | |
9f06c719 CL |
2388 | static void nfs4_xdr_enc_read(struct rpc_rqst *req, struct xdr_stream *xdr, |
2389 | struct nfs_readargs *args) | |
1da177e4 | 2390 | { |
1da177e4 | 2391 | struct compound_hdr hdr = { |
66cc0429 | 2392 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2393 | }; |
1da177e4 | 2394 | |
9f06c719 CL |
2395 | encode_compound_hdr(xdr, req, &hdr); |
2396 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2397 | encode_putfh(xdr, args->fh, &hdr); | |
2398 | encode_read(xdr, args, &hdr); | |
1da177e4 | 2399 | |
28f56694 | 2400 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, |
1da177e4 | 2401 | args->pages, args->pgbase, args->count); |
4f22ccc3 | 2402 | req->rq_rcv_buf.flags |= XDRBUF_READ; |
d017931c | 2403 | encode_nops(&hdr); |
1da177e4 LT |
2404 | } |
2405 | ||
2406 | /* | |
2407 | * Encode an SETATTR request | |
2408 | */ | |
9f06c719 CL |
2409 | static void nfs4_xdr_enc_setattr(struct rpc_rqst *req, struct xdr_stream *xdr, |
2410 | struct nfs_setattrargs *args) | |
1da177e4 | 2411 | { |
05d564fe | 2412 | struct compound_hdr hdr = { |
66cc0429 | 2413 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 2414 | }; |
05d564fe | 2415 | |
9f06c719 CL |
2416 | encode_compound_hdr(xdr, req, &hdr); |
2417 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2418 | encode_putfh(xdr, args->fh, &hdr); | |
2419 | encode_setattr(xdr, args, args->server, &hdr); | |
2420 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2421 | encode_nops(&hdr); |
1da177e4 LT |
2422 | } |
2423 | ||
029d105e BF |
2424 | /* |
2425 | * Encode a GETACL request | |
2426 | */ | |
9f06c719 CL |
2427 | static void nfs4_xdr_enc_getacl(struct rpc_rqst *req, struct xdr_stream *xdr, |
2428 | struct nfs_getaclargs *args) | |
029d105e | 2429 | { |
029d105e | 2430 | struct compound_hdr hdr = { |
66cc0429 | 2431 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
029d105e | 2432 | }; |
28f56694 | 2433 | uint32_t replen; |
029d105e | 2434 | |
9f06c719 CL |
2435 | encode_compound_hdr(xdr, req, &hdr); |
2436 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2437 | encode_putfh(xdr, args->fh, &hdr); | |
bf118a34 | 2438 | replen = hdr.replen + op_decode_hdr_maxsz + 1; |
9f06c719 | 2439 | encode_getattr_two(xdr, FATTR4_WORD0_ACL, 0, &hdr); |
cf8cdbe5 | 2440 | |
28f56694 | 2441 | xdr_inline_pages(&req->rq_rcv_buf, replen << 2, |
029d105e | 2442 | args->acl_pages, args->acl_pgbase, args->acl_len); |
bf118a34 | 2443 | |
d017931c | 2444 | encode_nops(&hdr); |
029d105e BF |
2445 | } |
2446 | ||
1da177e4 LT |
2447 | /* |
2448 | * Encode a WRITE request | |
2449 | */ | |
9f06c719 CL |
2450 | static void nfs4_xdr_enc_write(struct rpc_rqst *req, struct xdr_stream *xdr, |
2451 | struct nfs_writeargs *args) | |
1da177e4 | 2452 | { |
1da177e4 | 2453 | struct compound_hdr hdr = { |
66cc0429 | 2454 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2455 | }; |
1da177e4 | 2456 | |
9f06c719 CL |
2457 | encode_compound_hdr(xdr, req, &hdr); |
2458 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2459 | encode_putfh(xdr, args->fh, &hdr); | |
2460 | encode_write(xdr, args, &hdr); | |
4f22ccc3 | 2461 | req->rq_snd_buf.flags |= XDRBUF_WRITE; |
7ffd1064 FI |
2462 | if (args->bitmask) |
2463 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2464 | encode_nops(&hdr); |
1da177e4 LT |
2465 | } |
2466 | ||
2467 | /* | |
2468 | * a COMMIT request | |
2469 | */ | |
9f06c719 | 2470 | static void nfs4_xdr_enc_commit(struct rpc_rqst *req, struct xdr_stream *xdr, |
0b7c0153 | 2471 | struct nfs_commitargs *args) |
1da177e4 | 2472 | { |
1da177e4 | 2473 | struct compound_hdr hdr = { |
66cc0429 | 2474 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2475 | }; |
1da177e4 | 2476 | |
9f06c719 CL |
2477 | encode_compound_hdr(xdr, req, &hdr); |
2478 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2479 | encode_putfh(xdr, args->fh, &hdr); | |
2480 | encode_commit(xdr, args, &hdr); | |
d017931c | 2481 | encode_nops(&hdr); |
1da177e4 LT |
2482 | } |
2483 | ||
2484 | /* | |
2485 | * FSINFO request | |
2486 | */ | |
9f06c719 CL |
2487 | static void nfs4_xdr_enc_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, |
2488 | struct nfs4_fsinfo_arg *args) | |
1da177e4 | 2489 | { |
1da177e4 | 2490 | struct compound_hdr hdr = { |
66cc0429 | 2491 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2492 | }; |
1da177e4 | 2493 | |
9f06c719 CL |
2494 | encode_compound_hdr(xdr, req, &hdr); |
2495 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2496 | encode_putfh(xdr, args->fh, &hdr); | |
2497 | encode_fsinfo(xdr, args->bitmask, &hdr); | |
d017931c | 2498 | encode_nops(&hdr); |
1da177e4 LT |
2499 | } |
2500 | ||
2501 | /* | |
2502 | * a PATHCONF request | |
2503 | */ | |
9f06c719 CL |
2504 | static void nfs4_xdr_enc_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, |
2505 | const struct nfs4_pathconf_arg *args) | |
1da177e4 | 2506 | { |
1da177e4 | 2507 | struct compound_hdr hdr = { |
66cc0429 | 2508 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2509 | }; |
1da177e4 | 2510 | |
9f06c719 CL |
2511 | encode_compound_hdr(xdr, req, &hdr); |
2512 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2513 | encode_putfh(xdr, args->fh, &hdr); | |
2514 | encode_getattr_one(xdr, args->bitmask[0] & nfs4_pathconf_bitmap[0], | |
cf8cdbe5 | 2515 | &hdr); |
d017931c | 2516 | encode_nops(&hdr); |
1da177e4 LT |
2517 | } |
2518 | ||
2519 | /* | |
2520 | * a STATFS request | |
2521 | */ | |
9f06c719 CL |
2522 | static void nfs4_xdr_enc_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, |
2523 | const struct nfs4_statfs_arg *args) | |
1da177e4 | 2524 | { |
1da177e4 | 2525 | struct compound_hdr hdr = { |
66cc0429 | 2526 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2527 | }; |
1da177e4 | 2528 | |
9f06c719 CL |
2529 | encode_compound_hdr(xdr, req, &hdr); |
2530 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2531 | encode_putfh(xdr, args->fh, &hdr); | |
2532 | encode_getattr_two(xdr, args->bitmask[0] & nfs4_statfs_bitmap[0], | |
cf8cdbe5 | 2533 | args->bitmask[1] & nfs4_statfs_bitmap[1], &hdr); |
d017931c | 2534 | encode_nops(&hdr); |
1da177e4 LT |
2535 | } |
2536 | ||
2537 | /* | |
2538 | * GETATTR_BITMAP request | |
2539 | */ | |
9f06c719 CL |
2540 | static void nfs4_xdr_enc_server_caps(struct rpc_rqst *req, |
2541 | struct xdr_stream *xdr, | |
2542 | struct nfs4_server_caps_arg *args) | |
1da177e4 | 2543 | { |
1da177e4 | 2544 | struct compound_hdr hdr = { |
66cc0429 | 2545 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2546 | }; |
1da177e4 | 2547 | |
9f06c719 CL |
2548 | encode_compound_hdr(xdr, req, &hdr); |
2549 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2550 | encode_putfh(xdr, args->fhandle, &hdr); | |
2551 | encode_getattr_one(xdr, FATTR4_WORD0_SUPPORTED_ATTRS| | |
264e6351 | 2552 | FATTR4_WORD0_FH_EXPIRE_TYPE| |
cf8cdbe5 AA |
2553 | FATTR4_WORD0_LINK_SUPPORT| |
2554 | FATTR4_WORD0_SYMLINK_SUPPORT| | |
2555 | FATTR4_WORD0_ACLSUPPORT, &hdr); | |
d017931c | 2556 | encode_nops(&hdr); |
1da177e4 LT |
2557 | } |
2558 | ||
2559 | /* | |
2560 | * a RENEW request | |
2561 | */ | |
9f06c719 CL |
2562 | static void nfs4_xdr_enc_renew(struct rpc_rqst *req, struct xdr_stream *xdr, |
2563 | struct nfs_client *clp) | |
1da177e4 | 2564 | { |
1da177e4 | 2565 | struct compound_hdr hdr = { |
d017931c | 2566 | .nops = 0, |
1da177e4 LT |
2567 | }; |
2568 | ||
9f06c719 | 2569 | encode_compound_hdr(xdr, req, &hdr); |
bb4dae5e | 2570 | encode_renew(xdr, clp->cl_clientid, &hdr); |
d017931c | 2571 | encode_nops(&hdr); |
1da177e4 LT |
2572 | } |
2573 | ||
2574 | /* | |
2575 | * a SETCLIENTID request | |
2576 | */ | |
9f06c719 CL |
2577 | static void nfs4_xdr_enc_setclientid(struct rpc_rqst *req, |
2578 | struct xdr_stream *xdr, | |
2579 | struct nfs4_setclientid *sc) | |
1da177e4 | 2580 | { |
1da177e4 | 2581 | struct compound_hdr hdr = { |
d017931c | 2582 | .nops = 0, |
1da177e4 LT |
2583 | }; |
2584 | ||
9f06c719 CL |
2585 | encode_compound_hdr(xdr, req, &hdr); |
2586 | encode_setclientid(xdr, sc, &hdr); | |
d017931c | 2587 | encode_nops(&hdr); |
1da177e4 LT |
2588 | } |
2589 | ||
2590 | /* | |
2591 | * a SETCLIENTID_CONFIRM request | |
2592 | */ | |
9f06c719 CL |
2593 | static void nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, |
2594 | struct xdr_stream *xdr, | |
2595 | struct nfs4_setclientid_res *arg) | |
1da177e4 | 2596 | { |
1da177e4 | 2597 | struct compound_hdr hdr = { |
d017931c | 2598 | .nops = 0, |
1da177e4 | 2599 | }; |
dae100c2 | 2600 | const u32 lease_bitmap[3] = { FATTR4_WORD0_LEASE_TIME }; |
1da177e4 | 2601 | |
9f06c719 CL |
2602 | encode_compound_hdr(xdr, req, &hdr); |
2603 | encode_setclientid_confirm(xdr, arg, &hdr); | |
2604 | encode_putrootfh(xdr, &hdr); | |
2605 | encode_fsinfo(xdr, lease_bitmap, &hdr); | |
d017931c | 2606 | encode_nops(&hdr); |
1da177e4 LT |
2607 | } |
2608 | ||
2609 | /* | |
2610 | * DELEGRETURN request | |
2611 | */ | |
9f06c719 CL |
2612 | static void nfs4_xdr_enc_delegreturn(struct rpc_rqst *req, |
2613 | struct xdr_stream *xdr, | |
2614 | const struct nfs4_delegreturnargs *args) | |
1da177e4 | 2615 | { |
1da177e4 | 2616 | struct compound_hdr hdr = { |
66cc0429 | 2617 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2618 | }; |
1da177e4 | 2619 | |
9f06c719 CL |
2620 | encode_compound_hdr(xdr, req, &hdr); |
2621 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2622 | encode_putfh(xdr, args->fhandle, &hdr); | |
9f06c719 | 2623 | encode_getfattr(xdr, args->bitmask, &hdr); |
e144cbcc | 2624 | encode_delegreturn(xdr, args->stateid, &hdr); |
d017931c | 2625 | encode_nops(&hdr); |
1da177e4 LT |
2626 | } |
2627 | ||
683b57b4 TM |
2628 | /* |
2629 | * Encode FS_LOCATIONS request | |
2630 | */ | |
9f06c719 CL |
2631 | static void nfs4_xdr_enc_fs_locations(struct rpc_rqst *req, |
2632 | struct xdr_stream *xdr, | |
2633 | struct nfs4_fs_locations_arg *args) | |
683b57b4 | 2634 | { |
683b57b4 | 2635 | struct compound_hdr hdr = { |
66cc0429 | 2636 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
683b57b4 | 2637 | }; |
28f56694 | 2638 | uint32_t replen; |
683b57b4 | 2639 | |
9f06c719 CL |
2640 | encode_compound_hdr(xdr, req, &hdr); |
2641 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2642 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2643 | encode_lookup(xdr, args->name, &hdr); | |
28f56694 | 2644 | replen = hdr.replen; /* get the attribute into args->page */ |
9f06c719 | 2645 | encode_fs_locations(xdr, args->bitmask, &hdr); |
cf8cdbe5 | 2646 | |
28f56694 | 2647 | xdr_inline_pages(&req->rq_rcv_buf, replen << 2, &args->page, |
683b57b4 | 2648 | 0, PAGE_SIZE); |
d017931c | 2649 | encode_nops(&hdr); |
683b57b4 TM |
2650 | } |
2651 | ||
5a5ea0d4 BS |
2652 | /* |
2653 | * Encode SECINFO request | |
2654 | */ | |
2655 | static void nfs4_xdr_enc_secinfo(struct rpc_rqst *req, | |
2656 | struct xdr_stream *xdr, | |
2657 | struct nfs4_secinfo_arg *args) | |
2658 | { | |
2659 | struct compound_hdr hdr = { | |
2660 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2661 | }; | |
2662 | ||
2663 | encode_compound_hdr(xdr, req, &hdr); | |
2664 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2665 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2666 | encode_secinfo(xdr, args->name, &hdr); | |
2667 | encode_nops(&hdr); | |
2668 | } | |
2669 | ||
99fe60d0 | 2670 | #if defined(CONFIG_NFS_V4_1) |
7c44f1ae WAA |
2671 | /* |
2672 | * BIND_CONN_TO_SESSION request | |
2673 | */ | |
2674 | static void nfs4_xdr_enc_bind_conn_to_session(struct rpc_rqst *req, | |
2675 | struct xdr_stream *xdr, | |
2676 | struct nfs_client *clp) | |
2677 | { | |
2678 | struct compound_hdr hdr = { | |
2679 | .minorversion = clp->cl_mvops->minor_version, | |
2680 | }; | |
2681 | ||
2682 | encode_compound_hdr(xdr, req, &hdr); | |
2683 | encode_bind_conn_to_session(xdr, clp->cl_session, &hdr); | |
2684 | encode_nops(&hdr); | |
2685 | } | |
2686 | ||
99fe60d0 BH |
2687 | /* |
2688 | * EXCHANGE_ID request | |
2689 | */ | |
9f06c719 CL |
2690 | static void nfs4_xdr_enc_exchange_id(struct rpc_rqst *req, |
2691 | struct xdr_stream *xdr, | |
2692 | struct nfs41_exchange_id_args *args) | |
99fe60d0 | 2693 | { |
99fe60d0 | 2694 | struct compound_hdr hdr = { |
a4432345 | 2695 | .minorversion = args->client->cl_mvops->minor_version, |
99fe60d0 BH |
2696 | }; |
2697 | ||
9f06c719 CL |
2698 | encode_compound_hdr(xdr, req, &hdr); |
2699 | encode_exchange_id(xdr, args, &hdr); | |
99fe60d0 | 2700 | encode_nops(&hdr); |
99fe60d0 | 2701 | } |
2050f0cc | 2702 | |
fc931582 AA |
2703 | /* |
2704 | * a CREATE_SESSION request | |
2705 | */ | |
9f06c719 CL |
2706 | static void nfs4_xdr_enc_create_session(struct rpc_rqst *req, |
2707 | struct xdr_stream *xdr, | |
2708 | struct nfs41_create_session_args *args) | |
fc931582 | 2709 | { |
fc931582 | 2710 | struct compound_hdr hdr = { |
a4432345 | 2711 | .minorversion = args->client->cl_mvops->minor_version, |
fc931582 AA |
2712 | }; |
2713 | ||
9f06c719 CL |
2714 | encode_compound_hdr(xdr, req, &hdr); |
2715 | encode_create_session(xdr, args, &hdr); | |
fc931582 | 2716 | encode_nops(&hdr); |
fc931582 AA |
2717 | } |
2718 | ||
0f3e66c6 AA |
2719 | /* |
2720 | * a DESTROY_SESSION request | |
2721 | */ | |
9f06c719 CL |
2722 | static void nfs4_xdr_enc_destroy_session(struct rpc_rqst *req, |
2723 | struct xdr_stream *xdr, | |
2724 | struct nfs4_session *session) | |
0f3e66c6 | 2725 | { |
0f3e66c6 | 2726 | struct compound_hdr hdr = { |
a4432345 | 2727 | .minorversion = session->clp->cl_mvops->minor_version, |
0f3e66c6 AA |
2728 | }; |
2729 | ||
9f06c719 CL |
2730 | encode_compound_hdr(xdr, req, &hdr); |
2731 | encode_destroy_session(xdr, session, &hdr); | |
0f3e66c6 | 2732 | encode_nops(&hdr); |
0f3e66c6 AA |
2733 | } |
2734 | ||
66245539 TM |
2735 | /* |
2736 | * a DESTROY_CLIENTID request | |
2737 | */ | |
2738 | static void nfs4_xdr_enc_destroy_clientid(struct rpc_rqst *req, | |
2739 | struct xdr_stream *xdr, | |
2740 | struct nfs_client *clp) | |
2741 | { | |
2742 | struct compound_hdr hdr = { | |
2743 | .minorversion = clp->cl_mvops->minor_version, | |
2744 | }; | |
2745 | ||
2746 | encode_compound_hdr(xdr, req, &hdr); | |
2747 | encode_destroy_clientid(xdr, clp->cl_clientid, &hdr); | |
2748 | encode_nops(&hdr); | |
2749 | } | |
2750 | ||
fc01cea9 AA |
2751 | /* |
2752 | * a SEQUENCE request | |
2753 | */ | |
9f06c719 CL |
2754 | static void nfs4_xdr_enc_sequence(struct rpc_rqst *req, struct xdr_stream *xdr, |
2755 | struct nfs4_sequence_args *args) | |
fc01cea9 | 2756 | { |
fc01cea9 AA |
2757 | struct compound_hdr hdr = { |
2758 | .minorversion = nfs4_xdr_minorversion(args), | |
2759 | }; | |
2760 | ||
9f06c719 CL |
2761 | encode_compound_hdr(xdr, req, &hdr); |
2762 | encode_sequence(xdr, args, &hdr); | |
fc01cea9 | 2763 | encode_nops(&hdr); |
fc01cea9 AA |
2764 | } |
2765 | ||
2050f0cc AA |
2766 | /* |
2767 | * a GET_LEASE_TIME request | |
2768 | */ | |
9f06c719 CL |
2769 | static void nfs4_xdr_enc_get_lease_time(struct rpc_rqst *req, |
2770 | struct xdr_stream *xdr, | |
2771 | struct nfs4_get_lease_time_args *args) | |
2050f0cc | 2772 | { |
2050f0cc AA |
2773 | struct compound_hdr hdr = { |
2774 | .minorversion = nfs4_xdr_minorversion(&args->la_seq_args), | |
2775 | }; | |
dae100c2 | 2776 | const u32 lease_bitmap[3] = { FATTR4_WORD0_LEASE_TIME }; |
2050f0cc | 2777 | |
9f06c719 CL |
2778 | encode_compound_hdr(xdr, req, &hdr); |
2779 | encode_sequence(xdr, &args->la_seq_args, &hdr); | |
2780 | encode_putrootfh(xdr, &hdr); | |
2781 | encode_fsinfo(xdr, lease_bitmap, &hdr); | |
2050f0cc | 2782 | encode_nops(&hdr); |
2050f0cc | 2783 | } |
18019753 RL |
2784 | |
2785 | /* | |
2786 | * a RECLAIM_COMPLETE request | |
2787 | */ | |
9f06c719 CL |
2788 | static void nfs4_xdr_enc_reclaim_complete(struct rpc_rqst *req, |
2789 | struct xdr_stream *xdr, | |
2790 | struct nfs41_reclaim_complete_args *args) | |
18019753 | 2791 | { |
18019753 RL |
2792 | struct compound_hdr hdr = { |
2793 | .minorversion = nfs4_xdr_minorversion(&args->seq_args) | |
2794 | }; | |
2795 | ||
9f06c719 CL |
2796 | encode_compound_hdr(xdr, req, &hdr); |
2797 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2798 | encode_reclaim_complete(xdr, args, &hdr); | |
18019753 | 2799 | encode_nops(&hdr); |
18019753 RL |
2800 | } |
2801 | ||
7f11d8d3 AA |
2802 | /* |
2803 | * Encode GETDEVICELIST request | |
2804 | */ | |
2805 | static void nfs4_xdr_enc_getdevicelist(struct rpc_rqst *req, | |
2806 | struct xdr_stream *xdr, | |
2807 | struct nfs4_getdevicelist_args *args) | |
2808 | { | |
2809 | struct compound_hdr hdr = { | |
2810 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2811 | }; | |
2812 | ||
2813 | encode_compound_hdr(xdr, req, &hdr); | |
2814 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2815 | encode_putfh(xdr, args->fh, &hdr); | |
2816 | encode_getdevicelist(xdr, args, &hdr); | |
2817 | encode_nops(&hdr); | |
2818 | } | |
2819 | ||
b1f69b75 AA |
2820 | /* |
2821 | * Encode GETDEVICEINFO request | |
2822 | */ | |
9f06c719 CL |
2823 | static void nfs4_xdr_enc_getdeviceinfo(struct rpc_rqst *req, |
2824 | struct xdr_stream *xdr, | |
2825 | struct nfs4_getdeviceinfo_args *args) | |
b1f69b75 | 2826 | { |
b1f69b75 AA |
2827 | struct compound_hdr hdr = { |
2828 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2829 | }; | |
2830 | ||
9f06c719 CL |
2831 | encode_compound_hdr(xdr, req, &hdr); |
2832 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2833 | encode_getdeviceinfo(xdr, args, &hdr); | |
b1f69b75 AA |
2834 | |
2835 | /* set up reply kvec. Subtract notification bitmap max size (2) | |
2836 | * so that notification bitmap is put in xdr_buf tail */ | |
2837 | xdr_inline_pages(&req->rq_rcv_buf, (hdr.replen - 2) << 2, | |
2838 | args->pdev->pages, args->pdev->pgbase, | |
2839 | args->pdev->pglen); | |
2840 | ||
2841 | encode_nops(&hdr); | |
b1f69b75 AA |
2842 | } |
2843 | ||
2844 | /* | |
2845 | * Encode LAYOUTGET request | |
2846 | */ | |
9f06c719 CL |
2847 | static void nfs4_xdr_enc_layoutget(struct rpc_rqst *req, |
2848 | struct xdr_stream *xdr, | |
2849 | struct nfs4_layoutget_args *args) | |
b1f69b75 | 2850 | { |
b1f69b75 AA |
2851 | struct compound_hdr hdr = { |
2852 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2853 | }; | |
2854 | ||
9f06c719 CL |
2855 | encode_compound_hdr(xdr, req, &hdr); |
2856 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2857 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
2858 | encode_layoutget(xdr, args, &hdr); | |
35124a09 WAA |
2859 | |
2860 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, | |
2861 | args->layout.pages, 0, args->layout.pglen); | |
2862 | ||
b1f69b75 | 2863 | encode_nops(&hdr); |
b1f69b75 | 2864 | } |
863a3c6c AA |
2865 | |
2866 | /* | |
2867 | * Encode LAYOUTCOMMIT request | |
2868 | */ | |
cbe82603 BH |
2869 | static void nfs4_xdr_enc_layoutcommit(struct rpc_rqst *req, |
2870 | struct xdr_stream *xdr, | |
2871 | struct nfs4_layoutcommit_args *args) | |
863a3c6c | 2872 | { |
ac7db726 BH |
2873 | struct nfs4_layoutcommit_data *data = |
2874 | container_of(args, struct nfs4_layoutcommit_data, args); | |
863a3c6c AA |
2875 | struct compound_hdr hdr = { |
2876 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2877 | }; | |
2878 | ||
2879 | encode_compound_hdr(xdr, req, &hdr); | |
2880 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2881 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
ac7db726 | 2882 | encode_layoutcommit(xdr, data->args.inode, args, &hdr); |
863a3c6c | 2883 | encode_getfattr(xdr, args->bitmask, &hdr); |
b1f69b75 | 2884 | encode_nops(&hdr); |
cbe82603 BH |
2885 | } |
2886 | ||
2887 | /* | |
2888 | * Encode LAYOUTRETURN request | |
2889 | */ | |
2890 | static void nfs4_xdr_enc_layoutreturn(struct rpc_rqst *req, | |
2891 | struct xdr_stream *xdr, | |
2892 | struct nfs4_layoutreturn_args *args) | |
2893 | { | |
2894 | struct compound_hdr hdr = { | |
2895 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2896 | }; | |
2897 | ||
2898 | encode_compound_hdr(xdr, req, &hdr); | |
2899 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2900 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
2901 | encode_layoutreturn(xdr, args, &hdr); | |
2902 | encode_nops(&hdr); | |
b1f69b75 | 2903 | } |
fca78d6d BS |
2904 | |
2905 | /* | |
2906 | * Encode SECINFO_NO_NAME request | |
2907 | */ | |
2908 | static int nfs4_xdr_enc_secinfo_no_name(struct rpc_rqst *req, | |
2909 | struct xdr_stream *xdr, | |
2910 | struct nfs41_secinfo_no_name_args *args) | |
2911 | { | |
2912 | struct compound_hdr hdr = { | |
2913 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2914 | }; | |
2915 | ||
2916 | encode_compound_hdr(xdr, req, &hdr); | |
2917 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2918 | encode_putrootfh(xdr, &hdr); | |
2919 | encode_secinfo_no_name(xdr, args, &hdr); | |
2920 | encode_nops(&hdr); | |
2921 | return 0; | |
2922 | } | |
7d974794 BS |
2923 | |
2924 | /* | |
2925 | * Encode TEST_STATEID request | |
2926 | */ | |
2927 | static void nfs4_xdr_enc_test_stateid(struct rpc_rqst *req, | |
2928 | struct xdr_stream *xdr, | |
2929 | struct nfs41_test_stateid_args *args) | |
2930 | { | |
2931 | struct compound_hdr hdr = { | |
2932 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2933 | }; | |
2934 | ||
2935 | encode_compound_hdr(xdr, req, &hdr); | |
2936 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2937 | encode_test_stateid(xdr, args, &hdr); | |
2938 | encode_nops(&hdr); | |
2939 | } | |
9aeda35f BS |
2940 | |
2941 | /* | |
2942 | * Encode FREE_STATEID request | |
2943 | */ | |
2944 | static void nfs4_xdr_enc_free_stateid(struct rpc_rqst *req, | |
2945 | struct xdr_stream *xdr, | |
2946 | struct nfs41_free_stateid_args *args) | |
2947 | { | |
2948 | struct compound_hdr hdr = { | |
2949 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2950 | }; | |
2951 | ||
2952 | encode_compound_hdr(xdr, req, &hdr); | |
2953 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2954 | encode_free_stateid(xdr, args, &hdr); | |
2955 | encode_nops(&hdr); | |
2956 | } | |
99fe60d0 BH |
2957 | #endif /* CONFIG_NFS_V4_1 */ |
2958 | ||
686841b3 BH |
2959 | static void print_overflow_msg(const char *func, const struct xdr_stream *xdr) |
2960 | { | |
2961 | dprintk("nfs: %s: prematurely hit end of receive buffer. " | |
2962 | "Remaining buffer length is %tu words.\n", | |
2963 | func, xdr->end - xdr->p); | |
2964 | } | |
1da177e4 | 2965 | |
683b57b4 | 2966 | static int decode_opaque_inline(struct xdr_stream *xdr, unsigned int *len, char **string) |
1da177e4 | 2967 | { |
8687b63a | 2968 | __be32 *p; |
1da177e4 | 2969 | |
c0eae66e BH |
2970 | p = xdr_inline_decode(xdr, 4); |
2971 | if (unlikely(!p)) | |
2972 | goto out_overflow; | |
cccddf4f | 2973 | *len = be32_to_cpup(p); |
c0eae66e BH |
2974 | p = xdr_inline_decode(xdr, *len); |
2975 | if (unlikely(!p)) | |
2976 | goto out_overflow; | |
1da177e4 LT |
2977 | *string = (char *)p; |
2978 | return 0; | |
c0eae66e BH |
2979 | out_overflow: |
2980 | print_overflow_msg(__func__, xdr); | |
2981 | return -EIO; | |
1da177e4 LT |
2982 | } |
2983 | ||
2984 | static int decode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr) | |
2985 | { | |
8687b63a | 2986 | __be32 *p; |
1da177e4 | 2987 | |
c0eae66e BH |
2988 | p = xdr_inline_decode(xdr, 8); |
2989 | if (unlikely(!p)) | |
2990 | goto out_overflow; | |
6f723f77 | 2991 | hdr->status = be32_to_cpup(p++); |
cccddf4f | 2992 | hdr->taglen = be32_to_cpup(p); |
6c0195a4 | 2993 | |
c0eae66e BH |
2994 | p = xdr_inline_decode(xdr, hdr->taglen + 4); |
2995 | if (unlikely(!p)) | |
2996 | goto out_overflow; | |
1da177e4 LT |
2997 | hdr->tag = (char *)p; |
2998 | p += XDR_QUADLEN(hdr->taglen); | |
cccddf4f | 2999 | hdr->nops = be32_to_cpup(p); |
aadf6152 BH |
3000 | if (unlikely(hdr->nops < 1)) |
3001 | return nfs4_stat_to_errno(hdr->status); | |
1da177e4 | 3002 | return 0; |
c0eae66e BH |
3003 | out_overflow: |
3004 | print_overflow_msg(__func__, xdr); | |
3005 | return -EIO; | |
1da177e4 LT |
3006 | } |
3007 | ||
3008 | static int decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected) | |
3009 | { | |
8687b63a | 3010 | __be32 *p; |
1da177e4 LT |
3011 | uint32_t opnum; |
3012 | int32_t nfserr; | |
3013 | ||
c0eae66e BH |
3014 | p = xdr_inline_decode(xdr, 8); |
3015 | if (unlikely(!p)) | |
3016 | goto out_overflow; | |
6f723f77 | 3017 | opnum = be32_to_cpup(p++); |
1da177e4 | 3018 | if (opnum != expected) { |
fe82a183 CL |
3019 | dprintk("nfs: Server returned operation" |
3020 | " %d but we issued a request for %d\n", | |
1da177e4 LT |
3021 | opnum, expected); |
3022 | return -EIO; | |
3023 | } | |
cccddf4f | 3024 | nfserr = be32_to_cpup(p); |
1da177e4 | 3025 | if (nfserr != NFS_OK) |
856dff3d | 3026 | return nfs4_stat_to_errno(nfserr); |
1da177e4 | 3027 | return 0; |
c0eae66e BH |
3028 | out_overflow: |
3029 | print_overflow_msg(__func__, xdr); | |
3030 | return -EIO; | |
1da177e4 LT |
3031 | } |
3032 | ||
3033 | /* Dummy routine */ | |
adfa6f98 | 3034 | static int decode_ace(struct xdr_stream *xdr, void *ace, struct nfs_client *clp) |
1da177e4 | 3035 | { |
8687b63a | 3036 | __be32 *p; |
683b57b4 | 3037 | unsigned int strlen; |
1da177e4 LT |
3038 | char *str; |
3039 | ||
c0eae66e BH |
3040 | p = xdr_inline_decode(xdr, 12); |
3041 | if (likely(p)) | |
3042 | return decode_opaque_inline(xdr, &strlen, &str); | |
3043 | print_overflow_msg(__func__, xdr); | |
3044 | return -EIO; | |
1da177e4 LT |
3045 | } |
3046 | ||
3047 | static int decode_attr_bitmap(struct xdr_stream *xdr, uint32_t *bitmap) | |
3048 | { | |
8687b63a AV |
3049 | uint32_t bmlen; |
3050 | __be32 *p; | |
1da177e4 | 3051 | |
c0eae66e BH |
3052 | p = xdr_inline_decode(xdr, 4); |
3053 | if (unlikely(!p)) | |
3054 | goto out_overflow; | |
cccddf4f | 3055 | bmlen = be32_to_cpup(p); |
1da177e4 | 3056 | |
dae100c2 | 3057 | bitmap[0] = bitmap[1] = bitmap[2] = 0; |
c0eae66e BH |
3058 | p = xdr_inline_decode(xdr, (bmlen << 2)); |
3059 | if (unlikely(!p)) | |
3060 | goto out_overflow; | |
1da177e4 | 3061 | if (bmlen > 0) { |
6f723f77 | 3062 | bitmap[0] = be32_to_cpup(p++); |
dae100c2 FI |
3063 | if (bmlen > 1) { |
3064 | bitmap[1] = be32_to_cpup(p++); | |
3065 | if (bmlen > 2) | |
3066 | bitmap[2] = be32_to_cpup(p); | |
3067 | } | |
1da177e4 LT |
3068 | } |
3069 | return 0; | |
c0eae66e BH |
3070 | out_overflow: |
3071 | print_overflow_msg(__func__, xdr); | |
3072 | return -EIO; | |
1da177e4 LT |
3073 | } |
3074 | ||
256e48bb | 3075 | static int decode_attr_length(struct xdr_stream *xdr, uint32_t *attrlen, unsigned int *savep) |
1da177e4 | 3076 | { |
8687b63a | 3077 | __be32 *p; |
1da177e4 | 3078 | |
c0eae66e BH |
3079 | p = xdr_inline_decode(xdr, 4); |
3080 | if (unlikely(!p)) | |
3081 | goto out_overflow; | |
cccddf4f | 3082 | *attrlen = be32_to_cpup(p); |
256e48bb | 3083 | *savep = xdr_stream_pos(xdr); |
1da177e4 | 3084 | return 0; |
c0eae66e BH |
3085 | out_overflow: |
3086 | print_overflow_msg(__func__, xdr); | |
3087 | return -EIO; | |
1da177e4 LT |
3088 | } |
3089 | ||
3090 | static int decode_attr_supported(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *bitmask) | |
3091 | { | |
3092 | if (likely(bitmap[0] & FATTR4_WORD0_SUPPORTED_ATTRS)) { | |
3388bff5 RB |
3093 | int ret; |
3094 | ret = decode_attr_bitmap(xdr, bitmask); | |
3095 | if (unlikely(ret < 0)) | |
3096 | return ret; | |
1da177e4 LT |
3097 | bitmap[0] &= ~FATTR4_WORD0_SUPPORTED_ATTRS; |
3098 | } else | |
dae100c2 FI |
3099 | bitmask[0] = bitmask[1] = bitmask[2] = 0; |
3100 | dprintk("%s: bitmask=%08x:%08x:%08x\n", __func__, | |
3101 | bitmask[0], bitmask[1], bitmask[2]); | |
1da177e4 LT |
3102 | return 0; |
3103 | } | |
3104 | ||
3105 | static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *type) | |
3106 | { | |
8687b63a | 3107 | __be32 *p; |
409924e4 | 3108 | int ret = 0; |
1da177e4 LT |
3109 | |
3110 | *type = 0; | |
3111 | if (unlikely(bitmap[0] & (FATTR4_WORD0_TYPE - 1U))) | |
3112 | return -EIO; | |
3113 | if (likely(bitmap[0] & FATTR4_WORD0_TYPE)) { | |
c0eae66e BH |
3114 | p = xdr_inline_decode(xdr, 4); |
3115 | if (unlikely(!p)) | |
3116 | goto out_overflow; | |
cccddf4f | 3117 | *type = be32_to_cpup(p); |
1da177e4 | 3118 | if (*type < NF4REG || *type > NF4NAMEDATTR) { |
3110ff80 | 3119 | dprintk("%s: bad type %d\n", __func__, *type); |
1da177e4 LT |
3120 | return -EIO; |
3121 | } | |
3122 | bitmap[0] &= ~FATTR4_WORD0_TYPE; | |
409924e4 | 3123 | ret = NFS_ATTR_FATTR_TYPE; |
1da177e4 | 3124 | } |
bca79478 | 3125 | dprintk("%s: type=0%o\n", __func__, nfs_type2fmt[*type]); |
409924e4 | 3126 | return ret; |
c0eae66e BH |
3127 | out_overflow: |
3128 | print_overflow_msg(__func__, xdr); | |
3129 | return -EIO; | |
1da177e4 LT |
3130 | } |
3131 | ||
264e6351 CL |
3132 | static int decode_attr_fh_expire_type(struct xdr_stream *xdr, |
3133 | uint32_t *bitmap, uint32_t *type) | |
3134 | { | |
3135 | __be32 *p; | |
3136 | ||
3137 | *type = 0; | |
3138 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FH_EXPIRE_TYPE - 1U))) | |
3139 | return -EIO; | |
3140 | if (likely(bitmap[0] & FATTR4_WORD0_FH_EXPIRE_TYPE)) { | |
3141 | p = xdr_inline_decode(xdr, 4); | |
3142 | if (unlikely(!p)) | |
3143 | goto out_overflow; | |
3144 | *type = be32_to_cpup(p); | |
3145 | bitmap[0] &= ~FATTR4_WORD0_FH_EXPIRE_TYPE; | |
3146 | } | |
3147 | dprintk("%s: expire type=0x%x\n", __func__, *type); | |
3148 | return 0; | |
3149 | out_overflow: | |
3150 | print_overflow_msg(__func__, xdr); | |
3151 | return -EIO; | |
3152 | } | |
3153 | ||
1da177e4 LT |
3154 | static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *change) |
3155 | { | |
8687b63a | 3156 | __be32 *p; |
409924e4 | 3157 | int ret = 0; |
1da177e4 LT |
3158 | |
3159 | *change = 0; | |
3160 | if (unlikely(bitmap[0] & (FATTR4_WORD0_CHANGE - 1U))) | |
3161 | return -EIO; | |
3162 | if (likely(bitmap[0] & FATTR4_WORD0_CHANGE)) { | |
c0eae66e BH |
3163 | p = xdr_inline_decode(xdr, 8); |
3164 | if (unlikely(!p)) | |
3165 | goto out_overflow; | |
cccddf4f | 3166 | xdr_decode_hyper(p, change); |
1da177e4 | 3167 | bitmap[0] &= ~FATTR4_WORD0_CHANGE; |
409924e4 | 3168 | ret = NFS_ATTR_FATTR_CHANGE; |
1da177e4 | 3169 | } |
3110ff80 | 3170 | dprintk("%s: change attribute=%Lu\n", __func__, |
1da177e4 | 3171 | (unsigned long long)*change); |
409924e4 | 3172 | return ret; |
c0eae66e BH |
3173 | out_overflow: |
3174 | print_overflow_msg(__func__, xdr); | |
3175 | return -EIO; | |
1da177e4 LT |
3176 | } |
3177 | ||
3178 | static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *size) | |
3179 | { | |
8687b63a | 3180 | __be32 *p; |
409924e4 | 3181 | int ret = 0; |
1da177e4 LT |
3182 | |
3183 | *size = 0; | |
3184 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SIZE - 1U))) | |
3185 | return -EIO; | |
3186 | if (likely(bitmap[0] & FATTR4_WORD0_SIZE)) { | |
c0eae66e BH |
3187 | p = xdr_inline_decode(xdr, 8); |
3188 | if (unlikely(!p)) | |
3189 | goto out_overflow; | |
cccddf4f | 3190 | xdr_decode_hyper(p, size); |
1da177e4 | 3191 | bitmap[0] &= ~FATTR4_WORD0_SIZE; |
409924e4 | 3192 | ret = NFS_ATTR_FATTR_SIZE; |
1da177e4 | 3193 | } |
3110ff80 | 3194 | dprintk("%s: file size=%Lu\n", __func__, (unsigned long long)*size); |
409924e4 | 3195 | return ret; |
c0eae66e BH |
3196 | out_overflow: |
3197 | print_overflow_msg(__func__, xdr); | |
3198 | return -EIO; | |
1da177e4 LT |
3199 | } |
3200 | ||
3201 | static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3202 | { | |
8687b63a | 3203 | __be32 *p; |
1da177e4 LT |
3204 | |
3205 | *res = 0; | |
3206 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LINK_SUPPORT - 1U))) | |
3207 | return -EIO; | |
3208 | if (likely(bitmap[0] & FATTR4_WORD0_LINK_SUPPORT)) { | |
c0eae66e BH |
3209 | p = xdr_inline_decode(xdr, 4); |
3210 | if (unlikely(!p)) | |
3211 | goto out_overflow; | |
cccddf4f | 3212 | *res = be32_to_cpup(p); |
1da177e4 LT |
3213 | bitmap[0] &= ~FATTR4_WORD0_LINK_SUPPORT; |
3214 | } | |
3110ff80 | 3215 | dprintk("%s: link support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 | 3216 | return 0; |
c0eae66e BH |
3217 | out_overflow: |
3218 | print_overflow_msg(__func__, xdr); | |
3219 | return -EIO; | |
1da177e4 LT |
3220 | } |
3221 | ||
3222 | static int decode_attr_symlink_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3223 | { | |
8687b63a | 3224 | __be32 *p; |
1da177e4 LT |
3225 | |
3226 | *res = 0; | |
3227 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SYMLINK_SUPPORT - 1U))) | |
3228 | return -EIO; | |
3229 | if (likely(bitmap[0] & FATTR4_WORD0_SYMLINK_SUPPORT)) { | |
c0eae66e BH |
3230 | p = xdr_inline_decode(xdr, 4); |
3231 | if (unlikely(!p)) | |
3232 | goto out_overflow; | |
cccddf4f | 3233 | *res = be32_to_cpup(p); |
1da177e4 LT |
3234 | bitmap[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT; |
3235 | } | |
3110ff80 | 3236 | dprintk("%s: symlink support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 | 3237 | return 0; |
c0eae66e BH |
3238 | out_overflow: |
3239 | print_overflow_msg(__func__, xdr); | |
3240 | return -EIO; | |
1da177e4 LT |
3241 | } |
3242 | ||
8b4bdcf8 | 3243 | static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fsid *fsid) |
1da177e4 | 3244 | { |
8687b63a | 3245 | __be32 *p; |
409924e4 | 3246 | int ret = 0; |
1da177e4 LT |
3247 | |
3248 | fsid->major = 0; | |
3249 | fsid->minor = 0; | |
3250 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FSID - 1U))) | |
3251 | return -EIO; | |
3252 | if (likely(bitmap[0] & FATTR4_WORD0_FSID)) { | |
c0eae66e BH |
3253 | p = xdr_inline_decode(xdr, 16); |
3254 | if (unlikely(!p)) | |
3255 | goto out_overflow; | |
3ceb4dbb | 3256 | p = xdr_decode_hyper(p, &fsid->major); |
cccddf4f | 3257 | xdr_decode_hyper(p, &fsid->minor); |
1da177e4 | 3258 | bitmap[0] &= ~FATTR4_WORD0_FSID; |
409924e4 | 3259 | ret = NFS_ATTR_FATTR_FSID; |
1da177e4 | 3260 | } |
3110ff80 | 3261 | dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __func__, |
1da177e4 LT |
3262 | (unsigned long long)fsid->major, |
3263 | (unsigned long long)fsid->minor); | |
409924e4 | 3264 | return ret; |
c0eae66e BH |
3265 | out_overflow: |
3266 | print_overflow_msg(__func__, xdr); | |
3267 | return -EIO; | |
1da177e4 LT |
3268 | } |
3269 | ||
3270 | static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3271 | { | |
8687b63a | 3272 | __be32 *p; |
1da177e4 LT |
3273 | |
3274 | *res = 60; | |
3275 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LEASE_TIME - 1U))) | |
3276 | return -EIO; | |
3277 | if (likely(bitmap[0] & FATTR4_WORD0_LEASE_TIME)) { | |
c0eae66e BH |
3278 | p = xdr_inline_decode(xdr, 4); |
3279 | if (unlikely(!p)) | |
3280 | goto out_overflow; | |
cccddf4f | 3281 | *res = be32_to_cpup(p); |
1da177e4 LT |
3282 | bitmap[0] &= ~FATTR4_WORD0_LEASE_TIME; |
3283 | } | |
3110ff80 | 3284 | dprintk("%s: file size=%u\n", __func__, (unsigned int)*res); |
1da177e4 | 3285 | return 0; |
c0eae66e BH |
3286 | out_overflow: |
3287 | print_overflow_msg(__func__, xdr); | |
3288 | return -EIO; | |
1da177e4 LT |
3289 | } |
3290 | ||
ee7b75fc | 3291 | static int decode_attr_error(struct xdr_stream *xdr, uint32_t *bitmap, int32_t *res) |
ae42c70a BS |
3292 | { |
3293 | __be32 *p; | |
3294 | ||
3295 | if (unlikely(bitmap[0] & (FATTR4_WORD0_RDATTR_ERROR - 1U))) | |
3296 | return -EIO; | |
3297 | if (likely(bitmap[0] & FATTR4_WORD0_RDATTR_ERROR)) { | |
3298 | p = xdr_inline_decode(xdr, 4); | |
3299 | if (unlikely(!p)) | |
3300 | goto out_overflow; | |
3301 | bitmap[0] &= ~FATTR4_WORD0_RDATTR_ERROR; | |
ee7b75fc | 3302 | *res = -be32_to_cpup(p); |
ae42c70a BS |
3303 | } |
3304 | return 0; | |
3305 | out_overflow: | |
3306 | print_overflow_msg(__func__, xdr); | |
3307 | return -EIO; | |
3308 | } | |
3309 | ||
3310 | static int decode_attr_filehandle(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fh *fh) | |
3311 | { | |
3312 | __be32 *p; | |
3313 | int len; | |
3314 | ||
7ad07353 TM |
3315 | if (fh != NULL) |
3316 | memset(fh, 0, sizeof(*fh)); | |
ae42c70a BS |
3317 | |
3318 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEHANDLE - 1U))) | |
3319 | return -EIO; | |
3320 | if (likely(bitmap[0] & FATTR4_WORD0_FILEHANDLE)) { | |
3321 | p = xdr_inline_decode(xdr, 4); | |
3322 | if (unlikely(!p)) | |
3323 | goto out_overflow; | |
3324 | len = be32_to_cpup(p); | |
3325 | if (len > NFS4_FHSIZE) | |
3326 | return -EIO; | |
ae42c70a BS |
3327 | p = xdr_inline_decode(xdr, len); |
3328 | if (unlikely(!p)) | |
3329 | goto out_overflow; | |
7ad07353 TM |
3330 | if (fh != NULL) { |
3331 | memcpy(fh->data, p, len); | |
3332 | fh->size = len; | |
3333 | } | |
ae42c70a BS |
3334 | bitmap[0] &= ~FATTR4_WORD0_FILEHANDLE; |
3335 | } | |
3336 | return 0; | |
3337 | out_overflow: | |
3338 | print_overflow_msg(__func__, xdr); | |
3339 | return -EIO; | |
3340 | } | |
3341 | ||
1da177e4 LT |
3342 | static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) |
3343 | { | |
8687b63a | 3344 | __be32 *p; |
1da177e4 LT |
3345 | |
3346 | *res = ACL4_SUPPORT_ALLOW_ACL|ACL4_SUPPORT_DENY_ACL; | |
3347 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACLSUPPORT - 1U))) | |
3348 | return -EIO; | |
3349 | if (likely(bitmap[0] & FATTR4_WORD0_ACLSUPPORT)) { | |
c0eae66e BH |
3350 | p = xdr_inline_decode(xdr, 4); |
3351 | if (unlikely(!p)) | |
3352 | goto out_overflow; | |
cccddf4f | 3353 | *res = be32_to_cpup(p); |
1da177e4 LT |
3354 | bitmap[0] &= ~FATTR4_WORD0_ACLSUPPORT; |
3355 | } | |
3110ff80 | 3356 | dprintk("%s: ACLs supported=%u\n", __func__, (unsigned int)*res); |
1da177e4 | 3357 | return 0; |
c0eae66e BH |
3358 | out_overflow: |
3359 | print_overflow_msg(__func__, xdr); | |
3360 | return -EIO; | |
1da177e4 LT |
3361 | } |
3362 | ||
3363 | static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) | |
3364 | { | |
8687b63a | 3365 | __be32 *p; |
409924e4 | 3366 | int ret = 0; |
1da177e4 LT |
3367 | |
3368 | *fileid = 0; | |
3369 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEID - 1U))) | |
3370 | return -EIO; | |
3371 | if (likely(bitmap[0] & FATTR4_WORD0_FILEID)) { | |
c0eae66e BH |
3372 | p = xdr_inline_decode(xdr, 8); |
3373 | if (unlikely(!p)) | |
3374 | goto out_overflow; | |
cccddf4f | 3375 | xdr_decode_hyper(p, fileid); |
1da177e4 | 3376 | bitmap[0] &= ~FATTR4_WORD0_FILEID; |
409924e4 | 3377 | ret = NFS_ATTR_FATTR_FILEID; |
1da177e4 | 3378 | } |
3110ff80 | 3379 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
409924e4 | 3380 | return ret; |
c0eae66e BH |
3381 | out_overflow: |
3382 | print_overflow_msg(__func__, xdr); | |
3383 | return -EIO; | |
1da177e4 LT |
3384 | } |
3385 | ||
99baf625 MN |
3386 | static int decode_attr_mounted_on_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) |
3387 | { | |
8687b63a | 3388 | __be32 *p; |
409924e4 | 3389 | int ret = 0; |
99baf625 MN |
3390 | |
3391 | *fileid = 0; | |
3392 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MOUNTED_ON_FILEID - 1U))) | |
3393 | return -EIO; | |
3394 | if (likely(bitmap[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) { | |
c0eae66e BH |
3395 | p = xdr_inline_decode(xdr, 8); |
3396 | if (unlikely(!p)) | |
3397 | goto out_overflow; | |
cccddf4f | 3398 | xdr_decode_hyper(p, fileid); |
99baf625 | 3399 | bitmap[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID; |
28331a46 | 3400 | ret = NFS_ATTR_FATTR_MOUNTED_ON_FILEID; |
99baf625 | 3401 | } |
3110ff80 | 3402 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
409924e4 | 3403 | return ret; |
c0eae66e BH |
3404 | out_overflow: |
3405 | print_overflow_msg(__func__, xdr); | |
3406 | return -EIO; | |
99baf625 MN |
3407 | } |
3408 | ||
1da177e4 LT |
3409 | static int decode_attr_files_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
3410 | { | |
8687b63a | 3411 | __be32 *p; |
1da177e4 LT |
3412 | int status = 0; |
3413 | ||
3414 | *res = 0; | |
3415 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_AVAIL - 1U))) | |
3416 | return -EIO; | |
3417 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_AVAIL)) { | |
c0eae66e BH |
3418 | p = xdr_inline_decode(xdr, 8); |
3419 | if (unlikely(!p)) | |
3420 | goto out_overflow; | |
cccddf4f | 3421 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3422 | bitmap[0] &= ~FATTR4_WORD0_FILES_AVAIL; |
3423 | } | |
3110ff80 | 3424 | dprintk("%s: files avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3425 | return status; |
c0eae66e BH |
3426 | out_overflow: |
3427 | print_overflow_msg(__func__, xdr); | |
3428 | return -EIO; | |
1da177e4 LT |
3429 | } |
3430 | ||
3431 | static int decode_attr_files_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3432 | { | |
8687b63a | 3433 | __be32 *p; |
1da177e4 LT |
3434 | int status = 0; |
3435 | ||
3436 | *res = 0; | |
3437 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_FREE - 1U))) | |
3438 | return -EIO; | |
3439 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_FREE)) { | |
c0eae66e BH |
3440 | p = xdr_inline_decode(xdr, 8); |
3441 | if (unlikely(!p)) | |
3442 | goto out_overflow; | |
cccddf4f | 3443 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3444 | bitmap[0] &= ~FATTR4_WORD0_FILES_FREE; |
3445 | } | |
3110ff80 | 3446 | dprintk("%s: files free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3447 | return status; |
c0eae66e BH |
3448 | out_overflow: |
3449 | print_overflow_msg(__func__, xdr); | |
3450 | return -EIO; | |
1da177e4 LT |
3451 | } |
3452 | ||
3453 | static int decode_attr_files_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3454 | { | |
8687b63a | 3455 | __be32 *p; |
1da177e4 LT |
3456 | int status = 0; |
3457 | ||
3458 | *res = 0; | |
3459 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_TOTAL - 1U))) | |
3460 | return -EIO; | |
3461 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_TOTAL)) { | |
c0eae66e BH |
3462 | p = xdr_inline_decode(xdr, 8); |
3463 | if (unlikely(!p)) | |
3464 | goto out_overflow; | |
cccddf4f | 3465 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3466 | bitmap[0] &= ~FATTR4_WORD0_FILES_TOTAL; |
3467 | } | |
3110ff80 | 3468 | dprintk("%s: files total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3469 | return status; |
c0eae66e BH |
3470 | out_overflow: |
3471 | print_overflow_msg(__func__, xdr); | |
3472 | return -EIO; | |
1da177e4 LT |
3473 | } |
3474 | ||
7aaa0b3b MN |
3475 | static int decode_pathname(struct xdr_stream *xdr, struct nfs4_pathname *path) |
3476 | { | |
464ad6b1 | 3477 | u32 n; |
8687b63a | 3478 | __be32 *p; |
7aaa0b3b MN |
3479 | int status = 0; |
3480 | ||
c0eae66e BH |
3481 | p = xdr_inline_decode(xdr, 4); |
3482 | if (unlikely(!p)) | |
3483 | goto out_overflow; | |
cccddf4f | 3484 | n = be32_to_cpup(p); |
33a43f28 AA |
3485 | if (n == 0) |
3486 | goto root_path; | |
02a2976c | 3487 | dprintk("pathname4: "); |
7aaa0b3b MN |
3488 | path->ncomponents = 0; |
3489 | while (path->ncomponents < n) { | |
3490 | struct nfs4_string *component = &path->components[path->ncomponents]; | |
3491 | status = decode_opaque_inline(xdr, &component->len, &component->data); | |
3492 | if (unlikely(status != 0)) | |
3493 | goto out_eio; | |
95a13f7b | 3494 | ifdebug (XDR) |
02a2976c CL |
3495 | pr_cont("%s%.*s ", |
3496 | (path->ncomponents != n ? "/ " : ""), | |
3497 | component->len, component->data); | |
7aaa0b3b MN |
3498 | if (path->ncomponents < NFS4_PATHNAME_MAXCOMPONENTS) |
3499 | path->ncomponents++; | |
3500 | else { | |
3501 | dprintk("cannot parse %d components in path\n", n); | |
3502 | goto out_eio; | |
3503 | } | |
3504 | } | |
3505 | out: | |
7aaa0b3b | 3506 | return status; |
33a43f28 AA |
3507 | root_path: |
3508 | /* a root pathname is sent as a zero component4 */ | |
3509 | path->ncomponents = 1; | |
3510 | path->components[0].len=0; | |
3511 | path->components[0].data=NULL; | |
02a2976c | 3512 | dprintk("pathname4: /\n"); |
33a43f28 | 3513 | goto out; |
7aaa0b3b MN |
3514 | out_eio: |
3515 | dprintk(" status %d", status); | |
3516 | status = -EIO; | |
3517 | goto out; | |
c0eae66e BH |
3518 | out_overflow: |
3519 | print_overflow_msg(__func__, xdr); | |
3520 | return -EIO; | |
7aaa0b3b MN |
3521 | } |
3522 | ||
3523 | static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_fs_locations *res) | |
683b57b4 TM |
3524 | { |
3525 | int n; | |
8687b63a | 3526 | __be32 *p; |
683b57b4 TM |
3527 | int status = -EIO; |
3528 | ||
3529 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FS_LOCATIONS -1U))) | |
3530 | goto out; | |
3531 | status = 0; | |
3532 | if (unlikely(!(bitmap[0] & FATTR4_WORD0_FS_LOCATIONS))) | |
3533 | goto out; | |
8b7e3f49 TM |
3534 | status = -EIO; |
3535 | /* Ignore borken servers that return unrequested attrs */ | |
3536 | if (unlikely(res == NULL)) | |
3537 | goto out; | |
02a2976c | 3538 | dprintk("%s: fsroot:\n", __func__); |
7aaa0b3b | 3539 | status = decode_pathname(xdr, &res->fs_path); |
683b57b4 TM |
3540 | if (unlikely(status != 0)) |
3541 | goto out; | |
c0eae66e BH |
3542 | p = xdr_inline_decode(xdr, 4); |
3543 | if (unlikely(!p)) | |
3544 | goto out_overflow; | |
cccddf4f | 3545 | n = be32_to_cpup(p); |
683b57b4 TM |
3546 | if (n <= 0) |
3547 | goto out_eio; | |
3548 | res->nlocations = 0; | |
3549 | while (res->nlocations < n) { | |
464ad6b1 | 3550 | u32 m; |
7aaa0b3b | 3551 | struct nfs4_fs_location *loc = &res->locations[res->nlocations]; |
683b57b4 | 3552 | |
c0eae66e BH |
3553 | p = xdr_inline_decode(xdr, 4); |
3554 | if (unlikely(!p)) | |
3555 | goto out_overflow; | |
cccddf4f | 3556 | m = be32_to_cpup(p); |
7aaa0b3b MN |
3557 | |
3558 | loc->nservers = 0; | |
02a2976c | 3559 | dprintk("%s: servers:\n", __func__); |
7aaa0b3b MN |
3560 | while (loc->nservers < m) { |
3561 | struct nfs4_string *server = &loc->servers[loc->nservers]; | |
3562 | status = decode_opaque_inline(xdr, &server->len, &server->data); | |
3563 | if (unlikely(status != 0)) | |
3564 | goto out_eio; | |
3565 | dprintk("%s ", server->data); | |
3566 | if (loc->nservers < NFS4_FS_LOCATION_MAXSERVERS) | |
3567 | loc->nservers++; | |
3568 | else { | |
464ad6b1 CL |
3569 | unsigned int i; |
3570 | dprintk("%s: using first %u of %u servers " | |
3571 | "returned for location %u\n", | |
3110ff80 | 3572 | __func__, |
464ad6b1 CL |
3573 | NFS4_FS_LOCATION_MAXSERVERS, |
3574 | m, res->nlocations); | |
7aaa0b3b | 3575 | for (i = loc->nservers; i < m; i++) { |
2e42c3e2 | 3576 | unsigned int len; |
7aaa0b3b MN |
3577 | char *data; |
3578 | status = decode_opaque_inline(xdr, &len, &data); | |
3579 | if (unlikely(status != 0)) | |
3580 | goto out_eio; | |
3581 | } | |
3582 | } | |
3583 | } | |
3584 | status = decode_pathname(xdr, &loc->rootpath); | |
683b57b4 TM |
3585 | if (unlikely(status != 0)) |
3586 | goto out_eio; | |
7aaa0b3b | 3587 | if (res->nlocations < NFS4_FS_LOCATIONS_MAXENTRIES) |
683b57b4 TM |
3588 | res->nlocations++; |
3589 | } | |
409924e4 | 3590 | if (res->nlocations != 0) |
81934ddb | 3591 | status = NFS_ATTR_FATTR_V4_LOCATIONS; |
683b57b4 | 3592 | out: |
3110ff80 | 3593 | dprintk("%s: fs_locations done, error = %d\n", __func__, status); |
683b57b4 | 3594 | return status; |
c0eae66e BH |
3595 | out_overflow: |
3596 | print_overflow_msg(__func__, xdr); | |
683b57b4 TM |
3597 | out_eio: |
3598 | status = -EIO; | |
3599 | goto out; | |
3600 | } | |
3601 | ||
1da177e4 LT |
3602 | static int decode_attr_maxfilesize(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
3603 | { | |
8687b63a | 3604 | __be32 *p; |
1da177e4 LT |
3605 | int status = 0; |
3606 | ||
3607 | *res = 0; | |
3608 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXFILESIZE - 1U))) | |
3609 | return -EIO; | |
3610 | if (likely(bitmap[0] & FATTR4_WORD0_MAXFILESIZE)) { | |
c0eae66e BH |
3611 | p = xdr_inline_decode(xdr, 8); |
3612 | if (unlikely(!p)) | |
3613 | goto out_overflow; | |
cccddf4f | 3614 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3615 | bitmap[0] &= ~FATTR4_WORD0_MAXFILESIZE; |
3616 | } | |
3110ff80 | 3617 | dprintk("%s: maxfilesize=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3618 | return status; |
c0eae66e BH |
3619 | out_overflow: |
3620 | print_overflow_msg(__func__, xdr); | |
3621 | return -EIO; | |
1da177e4 LT |
3622 | } |
3623 | ||
3624 | static int decode_attr_maxlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxlink) | |
3625 | { | |
8687b63a | 3626 | __be32 *p; |
1da177e4 LT |
3627 | int status = 0; |
3628 | ||
3629 | *maxlink = 1; | |
3630 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXLINK - 1U))) | |
3631 | return -EIO; | |
3632 | if (likely(bitmap[0] & FATTR4_WORD0_MAXLINK)) { | |
c0eae66e BH |
3633 | p = xdr_inline_decode(xdr, 4); |
3634 | if (unlikely(!p)) | |
3635 | goto out_overflow; | |
cccddf4f | 3636 | *maxlink = be32_to_cpup(p); |
1da177e4 LT |
3637 | bitmap[0] &= ~FATTR4_WORD0_MAXLINK; |
3638 | } | |
3110ff80 | 3639 | dprintk("%s: maxlink=%u\n", __func__, *maxlink); |
1da177e4 | 3640 | return status; |
c0eae66e BH |
3641 | out_overflow: |
3642 | print_overflow_msg(__func__, xdr); | |
3643 | return -EIO; | |
1da177e4 LT |
3644 | } |
3645 | ||
3646 | static int decode_attr_maxname(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxname) | |
3647 | { | |
8687b63a | 3648 | __be32 *p; |
1da177e4 LT |
3649 | int status = 0; |
3650 | ||
3651 | *maxname = 1024; | |
3652 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXNAME - 1U))) | |
3653 | return -EIO; | |
3654 | if (likely(bitmap[0] & FATTR4_WORD0_MAXNAME)) { | |
c0eae66e BH |
3655 | p = xdr_inline_decode(xdr, 4); |
3656 | if (unlikely(!p)) | |
3657 | goto out_overflow; | |
cccddf4f | 3658 | *maxname = be32_to_cpup(p); |
1da177e4 LT |
3659 | bitmap[0] &= ~FATTR4_WORD0_MAXNAME; |
3660 | } | |
3110ff80 | 3661 | dprintk("%s: maxname=%u\n", __func__, *maxname); |
1da177e4 | 3662 | return status; |
c0eae66e BH |
3663 | out_overflow: |
3664 | print_overflow_msg(__func__, xdr); | |
3665 | return -EIO; | |
1da177e4 LT |
3666 | } |
3667 | ||
3668 | static int decode_attr_maxread(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3669 | { | |
8687b63a | 3670 | __be32 *p; |
1da177e4 LT |
3671 | int status = 0; |
3672 | ||
3673 | *res = 1024; | |
3674 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXREAD - 1U))) | |
3675 | return -EIO; | |
3676 | if (likely(bitmap[0] & FATTR4_WORD0_MAXREAD)) { | |
3677 | uint64_t maxread; | |
c0eae66e BH |
3678 | p = xdr_inline_decode(xdr, 8); |
3679 | if (unlikely(!p)) | |
3680 | goto out_overflow; | |
cccddf4f | 3681 | xdr_decode_hyper(p, &maxread); |
1da177e4 LT |
3682 | if (maxread > 0x7FFFFFFF) |
3683 | maxread = 0x7FFFFFFF; | |
3684 | *res = (uint32_t)maxread; | |
3685 | bitmap[0] &= ~FATTR4_WORD0_MAXREAD; | |
3686 | } | |
3110ff80 | 3687 | dprintk("%s: maxread=%lu\n", __func__, (unsigned long)*res); |
1da177e4 | 3688 | return status; |
c0eae66e BH |
3689 | out_overflow: |
3690 | print_overflow_msg(__func__, xdr); | |
3691 | return -EIO; | |
1da177e4 LT |
3692 | } |
3693 | ||
3694 | static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3695 | { | |
8687b63a | 3696 | __be32 *p; |
1da177e4 LT |
3697 | int status = 0; |
3698 | ||
3699 | *res = 1024; | |
3700 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXWRITE - 1U))) | |
3701 | return -EIO; | |
3702 | if (likely(bitmap[0] & FATTR4_WORD0_MAXWRITE)) { | |
3703 | uint64_t maxwrite; | |
c0eae66e BH |
3704 | p = xdr_inline_decode(xdr, 8); |
3705 | if (unlikely(!p)) | |
3706 | goto out_overflow; | |
cccddf4f | 3707 | xdr_decode_hyper(p, &maxwrite); |
1da177e4 LT |
3708 | if (maxwrite > 0x7FFFFFFF) |
3709 | maxwrite = 0x7FFFFFFF; | |
3710 | *res = (uint32_t)maxwrite; | |
3711 | bitmap[0] &= ~FATTR4_WORD0_MAXWRITE; | |
3712 | } | |
3110ff80 | 3713 | dprintk("%s: maxwrite=%lu\n", __func__, (unsigned long)*res); |
1da177e4 | 3714 | return status; |
c0eae66e BH |
3715 | out_overflow: |
3716 | print_overflow_msg(__func__, xdr); | |
3717 | return -EIO; | |
1da177e4 LT |
3718 | } |
3719 | ||
bca79478 | 3720 | static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, umode_t *mode) |
1da177e4 | 3721 | { |
bca79478 | 3722 | uint32_t tmp; |
8687b63a | 3723 | __be32 *p; |
409924e4 | 3724 | int ret = 0; |
1da177e4 LT |
3725 | |
3726 | *mode = 0; | |
3727 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MODE - 1U))) | |
3728 | return -EIO; | |
3729 | if (likely(bitmap[1] & FATTR4_WORD1_MODE)) { | |
c0eae66e BH |
3730 | p = xdr_inline_decode(xdr, 4); |
3731 | if (unlikely(!p)) | |
3732 | goto out_overflow; | |
cccddf4f | 3733 | tmp = be32_to_cpup(p); |
bca79478 | 3734 | *mode = tmp & ~S_IFMT; |
1da177e4 | 3735 | bitmap[1] &= ~FATTR4_WORD1_MODE; |
409924e4 | 3736 | ret = NFS_ATTR_FATTR_MODE; |
1da177e4 | 3737 | } |
3110ff80 | 3738 | dprintk("%s: file mode=0%o\n", __func__, (unsigned int)*mode); |
409924e4 | 3739 | return ret; |
c0eae66e BH |
3740 | out_overflow: |
3741 | print_overflow_msg(__func__, xdr); | |
3742 | return -EIO; | |
1da177e4 LT |
3743 | } |
3744 | ||
3745 | static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *nlink) | |
3746 | { | |
8687b63a | 3747 | __be32 *p; |
409924e4 | 3748 | int ret = 0; |
1da177e4 LT |
3749 | |
3750 | *nlink = 1; | |
3751 | if (unlikely(bitmap[1] & (FATTR4_WORD1_NUMLINKS - 1U))) | |
3752 | return -EIO; | |
3753 | if (likely(bitmap[1] & FATTR4_WORD1_NUMLINKS)) { | |
c0eae66e BH |
3754 | p = xdr_inline_decode(xdr, 4); |
3755 | if (unlikely(!p)) | |
3756 | goto out_overflow; | |
cccddf4f | 3757 | *nlink = be32_to_cpup(p); |
1da177e4 | 3758 | bitmap[1] &= ~FATTR4_WORD1_NUMLINKS; |
409924e4 | 3759 | ret = NFS_ATTR_FATTR_NLINK; |
1da177e4 | 3760 | } |
3110ff80 | 3761 | dprintk("%s: nlink=%u\n", __func__, (unsigned int)*nlink); |
409924e4 | 3762 | return ret; |
c0eae66e BH |
3763 | out_overflow: |
3764 | print_overflow_msg(__func__, xdr); | |
3765 | return -EIO; | |
1da177e4 LT |
3766 | } |
3767 | ||
80e52ace | 3768 | static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, |
6926afd1 TM |
3769 | const struct nfs_server *server, uint32_t *uid, |
3770 | struct nfs4_string *owner_name) | |
1da177e4 | 3771 | { |
8687b63a AV |
3772 | uint32_t len; |
3773 | __be32 *p; | |
409924e4 | 3774 | int ret = 0; |
1da177e4 LT |
3775 | |
3776 | *uid = -2; | |
3777 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER - 1U))) | |
3778 | return -EIO; | |
3779 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER)) { | |
c0eae66e BH |
3780 | p = xdr_inline_decode(xdr, 4); |
3781 | if (unlikely(!p)) | |
3782 | goto out_overflow; | |
cccddf4f | 3783 | len = be32_to_cpup(p); |
c0eae66e BH |
3784 | p = xdr_inline_decode(xdr, len); |
3785 | if (unlikely(!p)) | |
3786 | goto out_overflow; | |
6926afd1 TM |
3787 | if (owner_name != NULL) { |
3788 | owner_name->data = kmemdup(p, len, GFP_NOWAIT); | |
3789 | if (owner_name->data != NULL) { | |
3790 | owner_name->len = len; | |
3791 | ret = NFS_ATTR_FATTR_OWNER_NAME; | |
3792 | } | |
80e52ace | 3793 | } else if (len < XDR_MAX_NETOBJ) { |
e4fd72a1 | 3794 | if (nfs_map_name_to_uid(server, (char *)p, len, uid) == 0) |
409924e4 TM |
3795 | ret = NFS_ATTR_FATTR_OWNER; |
3796 | else | |
1da177e4 | 3797 | dprintk("%s: nfs_map_name_to_uid failed!\n", |
3110ff80 | 3798 | __func__); |
1da177e4 | 3799 | } else |
fe82a183 | 3800 | dprintk("%s: name too long (%u)!\n", |
3110ff80 | 3801 | __func__, len); |
1da177e4 LT |
3802 | bitmap[1] &= ~FATTR4_WORD1_OWNER; |
3803 | } | |
3110ff80 | 3804 | dprintk("%s: uid=%d\n", __func__, (int)*uid); |
409924e4 | 3805 | return ret; |
c0eae66e BH |
3806 | out_overflow: |
3807 | print_overflow_msg(__func__, xdr); | |
3808 | return -EIO; | |
1da177e4 LT |
3809 | } |
3810 | ||
80e52ace | 3811 | static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, |
6926afd1 TM |
3812 | const struct nfs_server *server, uint32_t *gid, |
3813 | struct nfs4_string *group_name) | |
1da177e4 | 3814 | { |
8687b63a AV |
3815 | uint32_t len; |
3816 | __be32 *p; | |
409924e4 | 3817 | int ret = 0; |
1da177e4 LT |
3818 | |
3819 | *gid = -2; | |
3820 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER_GROUP - 1U))) | |
3821 | return -EIO; | |
3822 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER_GROUP)) { | |
c0eae66e BH |
3823 | p = xdr_inline_decode(xdr, 4); |
3824 | if (unlikely(!p)) | |
3825 | goto out_overflow; | |
cccddf4f | 3826 | len = be32_to_cpup(p); |
c0eae66e BH |
3827 | p = xdr_inline_decode(xdr, len); |
3828 | if (unlikely(!p)) | |
3829 | goto out_overflow; | |
6926afd1 TM |
3830 | if (group_name != NULL) { |
3831 | group_name->data = kmemdup(p, len, GFP_NOWAIT); | |
3832 | if (group_name->data != NULL) { | |
3833 | group_name->len = len; | |
3834 | ret = NFS_ATTR_FATTR_GROUP_NAME; | |
3835 | } | |
80e52ace | 3836 | } else if (len < XDR_MAX_NETOBJ) { |
e4fd72a1 | 3837 | if (nfs_map_group_to_gid(server, (char *)p, len, gid) == 0) |
409924e4 TM |
3838 | ret = NFS_ATTR_FATTR_GROUP; |
3839 | else | |
1da177e4 | 3840 | dprintk("%s: nfs_map_group_to_gid failed!\n", |
3110ff80 | 3841 | __func__); |
1da177e4 | 3842 | } else |
fe82a183 | 3843 | dprintk("%s: name too long (%u)!\n", |
3110ff80 | 3844 | __func__, len); |
1da177e4 LT |
3845 | bitmap[1] &= ~FATTR4_WORD1_OWNER_GROUP; |
3846 | } | |
3110ff80 | 3847 | dprintk("%s: gid=%d\n", __func__, (int)*gid); |
409924e4 | 3848 | return ret; |
c0eae66e BH |
3849 | out_overflow: |
3850 | print_overflow_msg(__func__, xdr); | |
3851 | return -EIO; | |
1da177e4 LT |
3852 | } |
3853 | ||
3854 | static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rdev) | |
3855 | { | |
8687b63a AV |
3856 | uint32_t major = 0, minor = 0; |
3857 | __be32 *p; | |
409924e4 | 3858 | int ret = 0; |
1da177e4 LT |
3859 | |
3860 | *rdev = MKDEV(0,0); | |
3861 | if (unlikely(bitmap[1] & (FATTR4_WORD1_RAWDEV - 1U))) | |
3862 | return -EIO; | |
3863 | if (likely(bitmap[1] & FATTR4_WORD1_RAWDEV)) { | |
3864 | dev_t tmp; | |
3865 | ||
c0eae66e BH |
3866 | p = xdr_inline_decode(xdr, 8); |
3867 | if (unlikely(!p)) | |
3868 | goto out_overflow; | |
6f723f77 | 3869 | major = be32_to_cpup(p++); |
cccddf4f | 3870 | minor = be32_to_cpup(p); |
1da177e4 LT |
3871 | tmp = MKDEV(major, minor); |
3872 | if (MAJOR(tmp) == major && MINOR(tmp) == minor) | |
3873 | *rdev = tmp; | |
3874 | bitmap[1] &= ~ FATTR4_WORD1_RAWDEV; | |
409924e4 | 3875 | ret = NFS_ATTR_FATTR_RDEV; |
1da177e4 | 3876 | } |
3110ff80 | 3877 | dprintk("%s: rdev=(0x%x:0x%x)\n", __func__, major, minor); |
409924e4 | 3878 | return ret; |
c0eae66e BH |
3879 | out_overflow: |
3880 | print_overflow_msg(__func__, xdr); | |
3881 | return -EIO; | |
1da177e4 LT |
3882 | } |
3883 | ||
3884 | static int decode_attr_space_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3885 | { | |
8687b63a | 3886 | __be32 *p; |
1da177e4 LT |
3887 | int status = 0; |
3888 | ||
3889 | *res = 0; | |
3890 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_AVAIL - 1U))) | |
3891 | return -EIO; | |
3892 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_AVAIL)) { | |
c0eae66e BH |
3893 | p = xdr_inline_decode(xdr, 8); |
3894 | if (unlikely(!p)) | |
3895 | goto out_overflow; | |
cccddf4f | 3896 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3897 | bitmap[1] &= ~FATTR4_WORD1_SPACE_AVAIL; |
3898 | } | |
3110ff80 | 3899 | dprintk("%s: space avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3900 | return status; |
c0eae66e BH |
3901 | out_overflow: |
3902 | print_overflow_msg(__func__, xdr); | |
3903 | return -EIO; | |
1da177e4 LT |
3904 | } |
3905 | ||
3906 | static int decode_attr_space_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3907 | { | |
8687b63a | 3908 | __be32 *p; |
1da177e4 LT |
3909 | int status = 0; |
3910 | ||
3911 | *res = 0; | |
3912 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_FREE - 1U))) | |
3913 | return -EIO; | |
3914 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_FREE)) { | |
c0eae66e BH |
3915 | p = xdr_inline_decode(xdr, 8); |
3916 | if (unlikely(!p)) | |
3917 | goto out_overflow; | |
cccddf4f | 3918 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3919 | bitmap[1] &= ~FATTR4_WORD1_SPACE_FREE; |
3920 | } | |
3110ff80 | 3921 | dprintk("%s: space free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3922 | return status; |
c0eae66e BH |
3923 | out_overflow: |
3924 | print_overflow_msg(__func__, xdr); | |
3925 | return -EIO; | |
1da177e4 LT |
3926 | } |
3927 | ||
3928 | static int decode_attr_space_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3929 | { | |
8687b63a | 3930 | __be32 *p; |
1da177e4 LT |
3931 | int status = 0; |
3932 | ||
3933 | *res = 0; | |
3934 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_TOTAL - 1U))) | |
3935 | return -EIO; | |
3936 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_TOTAL)) { | |
c0eae66e BH |
3937 | p = xdr_inline_decode(xdr, 8); |
3938 | if (unlikely(!p)) | |
3939 | goto out_overflow; | |
cccddf4f | 3940 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3941 | bitmap[1] &= ~FATTR4_WORD1_SPACE_TOTAL; |
3942 | } | |
3110ff80 | 3943 | dprintk("%s: space total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3944 | return status; |
c0eae66e BH |
3945 | out_overflow: |
3946 | print_overflow_msg(__func__, xdr); | |
3947 | return -EIO; | |
1da177e4 LT |
3948 | } |
3949 | ||
3950 | static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *used) | |
3951 | { | |
8687b63a | 3952 | __be32 *p; |
409924e4 | 3953 | int ret = 0; |
1da177e4 LT |
3954 | |
3955 | *used = 0; | |
3956 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_USED - 1U))) | |
3957 | return -EIO; | |
3958 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_USED)) { | |
c0eae66e BH |
3959 | p = xdr_inline_decode(xdr, 8); |
3960 | if (unlikely(!p)) | |
3961 | goto out_overflow; | |
cccddf4f | 3962 | xdr_decode_hyper(p, used); |
1da177e4 | 3963 | bitmap[1] &= ~FATTR4_WORD1_SPACE_USED; |
409924e4 | 3964 | ret = NFS_ATTR_FATTR_SPACE_USED; |
1da177e4 | 3965 | } |
3110ff80 | 3966 | dprintk("%s: space used=%Lu\n", __func__, |
1da177e4 | 3967 | (unsigned long long)*used); |
409924e4 | 3968 | return ret; |
c0eae66e BH |
3969 | out_overflow: |
3970 | print_overflow_msg(__func__, xdr); | |
3971 | return -EIO; | |
1da177e4 LT |
3972 | } |
3973 | ||
3974 | static int decode_attr_time(struct xdr_stream *xdr, struct timespec *time) | |
3975 | { | |
8687b63a | 3976 | __be32 *p; |
1da177e4 LT |
3977 | uint64_t sec; |
3978 | uint32_t nsec; | |
3979 | ||
c0eae66e BH |
3980 | p = xdr_inline_decode(xdr, 12); |
3981 | if (unlikely(!p)) | |
3982 | goto out_overflow; | |
3ceb4dbb | 3983 | p = xdr_decode_hyper(p, &sec); |
cccddf4f | 3984 | nsec = be32_to_cpup(p); |
1da177e4 LT |
3985 | time->tv_sec = (time_t)sec; |
3986 | time->tv_nsec = (long)nsec; | |
3987 | return 0; | |
c0eae66e BH |
3988 | out_overflow: |
3989 | print_overflow_msg(__func__, xdr); | |
3990 | return -EIO; | |
1da177e4 LT |
3991 | } |
3992 | ||
3993 | static int decode_attr_time_access(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
3994 | { | |
3995 | int status = 0; | |
3996 | ||
3997 | time->tv_sec = 0; | |
3998 | time->tv_nsec = 0; | |
3999 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_ACCESS - 1U))) | |
4000 | return -EIO; | |
4001 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_ACCESS)) { | |
4002 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4003 | if (status == 0) |
4004 | status = NFS_ATTR_FATTR_ATIME; | |
1da177e4 LT |
4005 | bitmap[1] &= ~FATTR4_WORD1_TIME_ACCESS; |
4006 | } | |
3110ff80 | 4007 | dprintk("%s: atime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
4008 | return status; |
4009 | } | |
4010 | ||
4011 | static int decode_attr_time_metadata(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
4012 | { | |
4013 | int status = 0; | |
4014 | ||
4015 | time->tv_sec = 0; | |
4016 | time->tv_nsec = 0; | |
4017 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_METADATA - 1U))) | |
4018 | return -EIO; | |
4019 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_METADATA)) { | |
4020 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4021 | if (status == 0) |
4022 | status = NFS_ATTR_FATTR_CTIME; | |
1da177e4 LT |
4023 | bitmap[1] &= ~FATTR4_WORD1_TIME_METADATA; |
4024 | } | |
3110ff80 | 4025 | dprintk("%s: ctime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
4026 | return status; |
4027 | } | |
4028 | ||
55b6e774 RL |
4029 | static int decode_attr_time_delta(struct xdr_stream *xdr, uint32_t *bitmap, |
4030 | struct timespec *time) | |
4031 | { | |
4032 | int status = 0; | |
4033 | ||
4034 | time->tv_sec = 0; | |
4035 | time->tv_nsec = 0; | |
4036 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_DELTA - 1U))) | |
4037 | return -EIO; | |
4038 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_DELTA)) { | |
4039 | status = decode_attr_time(xdr, time); | |
4040 | bitmap[1] &= ~FATTR4_WORD1_TIME_DELTA; | |
4041 | } | |
4042 | dprintk("%s: time_delta=%ld %ld\n", __func__, (long)time->tv_sec, | |
4043 | (long)time->tv_nsec); | |
4044 | return status; | |
4045 | } | |
4046 | ||
1da177e4 LT |
4047 | static int decode_attr_time_modify(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) |
4048 | { | |
4049 | int status = 0; | |
4050 | ||
4051 | time->tv_sec = 0; | |
4052 | time->tv_nsec = 0; | |
4053 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_MODIFY - 1U))) | |
4054 | return -EIO; | |
4055 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_MODIFY)) { | |
4056 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4057 | if (status == 0) |
4058 | status = NFS_ATTR_FATTR_MTIME; | |
1da177e4 LT |
4059 | bitmap[1] &= ~FATTR4_WORD1_TIME_MODIFY; |
4060 | } | |
3110ff80 | 4061 | dprintk("%s: mtime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
4062 | return status; |
4063 | } | |
4064 | ||
256e48bb | 4065 | static int verify_attr_len(struct xdr_stream *xdr, unsigned int savep, uint32_t attrlen) |
1da177e4 LT |
4066 | { |
4067 | unsigned int attrwords = XDR_QUADLEN(attrlen); | |
256e48bb | 4068 | unsigned int nwords = (xdr_stream_pos(xdr) - savep) >> 2; |
1da177e4 LT |
4069 | |
4070 | if (unlikely(attrwords != nwords)) { | |
fe82a183 CL |
4071 | dprintk("%s: server returned incorrect attribute length: " |
4072 | "%u %c %u\n", | |
3110ff80 | 4073 | __func__, |
1da177e4 LT |
4074 | attrwords << 2, |
4075 | (attrwords < nwords) ? '<' : '>', | |
4076 | nwords << 2); | |
4077 | return -EIO; | |
4078 | } | |
4079 | return 0; | |
4080 | } | |
4081 | ||
4082 | static int decode_change_info(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4083 | { | |
8687b63a | 4084 | __be32 *p; |
1da177e4 | 4085 | |
c0eae66e BH |
4086 | p = xdr_inline_decode(xdr, 20); |
4087 | if (unlikely(!p)) | |
4088 | goto out_overflow; | |
6f723f77 | 4089 | cinfo->atomic = be32_to_cpup(p++); |
3ceb4dbb | 4090 | p = xdr_decode_hyper(p, &cinfo->before); |
cccddf4f | 4091 | xdr_decode_hyper(p, &cinfo->after); |
1da177e4 | 4092 | return 0; |
c0eae66e BH |
4093 | out_overflow: |
4094 | print_overflow_msg(__func__, xdr); | |
4095 | return -EIO; | |
1da177e4 LT |
4096 | } |
4097 | ||
4098 | static int decode_access(struct xdr_stream *xdr, struct nfs4_accessres *access) | |
4099 | { | |
8687b63a | 4100 | __be32 *p; |
1da177e4 LT |
4101 | uint32_t supp, acc; |
4102 | int status; | |
4103 | ||
4104 | status = decode_op_hdr(xdr, OP_ACCESS); | |
4105 | if (status) | |
4106 | return status; | |
c0eae66e BH |
4107 | p = xdr_inline_decode(xdr, 8); |
4108 | if (unlikely(!p)) | |
4109 | goto out_overflow; | |
6f723f77 | 4110 | supp = be32_to_cpup(p++); |
cccddf4f | 4111 | acc = be32_to_cpup(p); |
1da177e4 LT |
4112 | access->supported = supp; |
4113 | access->access = acc; | |
4114 | return 0; | |
c0eae66e BH |
4115 | out_overflow: |
4116 | print_overflow_msg(__func__, xdr); | |
4117 | return -EIO; | |
1da177e4 LT |
4118 | } |
4119 | ||
07d30434 | 4120 | static int decode_opaque_fixed(struct xdr_stream *xdr, void *buf, size_t len) |
1da177e4 | 4121 | { |
8687b63a | 4122 | __be32 *p; |
07d30434 BH |
4123 | |
4124 | p = xdr_inline_decode(xdr, len); | |
4125 | if (likely(p)) { | |
4126 | memcpy(buf, p, len); | |
4127 | return 0; | |
4128 | } | |
4129 | print_overflow_msg(__func__, xdr); | |
4130 | return -EIO; | |
4131 | } | |
4132 | ||
4133 | static int decode_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) | |
4134 | { | |
2d2f24ad | 4135 | return decode_opaque_fixed(xdr, stateid, NFS4_STATEID_SIZE); |
07d30434 BH |
4136 | } |
4137 | ||
4138 | static int decode_close(struct xdr_stream *xdr, struct nfs_closeres *res) | |
4139 | { | |
1da177e4 LT |
4140 | int status; |
4141 | ||
4142 | status = decode_op_hdr(xdr, OP_CLOSE); | |
c1d51931 TM |
4143 | if (status != -EIO) |
4144 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4145 | if (!status) |
4146 | status = decode_stateid(xdr, &res->stateid); | |
4147 | return status; | |
1da177e4 LT |
4148 | } |
4149 | ||
db942bbd BH |
4150 | static int decode_verifier(struct xdr_stream *xdr, void *verifier) |
4151 | { | |
cd93710e | 4152 | return decode_opaque_fixed(xdr, verifier, NFS4_VERIFIER_SIZE); |
1da177e4 LT |
4153 | } |
4154 | ||
2f2c63bc TM |
4155 | static int decode_write_verifier(struct xdr_stream *xdr, struct nfs_write_verifier *verifier) |
4156 | { | |
4157 | return decode_opaque_fixed(xdr, verifier->data, NFS4_VERIFIER_SIZE); | |
4158 | } | |
4159 | ||
0b7c0153 | 4160 | static int decode_commit(struct xdr_stream *xdr, struct nfs_commitres *res) |
1da177e4 | 4161 | { |
1da177e4 LT |
4162 | int status; |
4163 | ||
4164 | status = decode_op_hdr(xdr, OP_COMMIT); | |
db942bbd | 4165 | if (!status) |
2f2c63bc | 4166 | status = decode_write_verifier(xdr, &res->verf->verifier); |
db942bbd | 4167 | return status; |
1da177e4 LT |
4168 | } |
4169 | ||
4170 | static int decode_create(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4171 | { | |
8687b63a | 4172 | __be32 *p; |
1da177e4 LT |
4173 | uint32_t bmlen; |
4174 | int status; | |
4175 | ||
4176 | status = decode_op_hdr(xdr, OP_CREATE); | |
4177 | if (status) | |
4178 | return status; | |
4179 | if ((status = decode_change_info(xdr, cinfo))) | |
4180 | return status; | |
c0eae66e BH |
4181 | p = xdr_inline_decode(xdr, 4); |
4182 | if (unlikely(!p)) | |
4183 | goto out_overflow; | |
cccddf4f | 4184 | bmlen = be32_to_cpup(p); |
c0eae66e BH |
4185 | p = xdr_inline_decode(xdr, bmlen << 2); |
4186 | if (likely(p)) | |
4187 | return 0; | |
4188 | out_overflow: | |
4189 | print_overflow_msg(__func__, xdr); | |
4190 | return -EIO; | |
1da177e4 LT |
4191 | } |
4192 | ||
4193 | static int decode_server_caps(struct xdr_stream *xdr, struct nfs4_server_caps_res *res) | |
4194 | { | |
256e48bb | 4195 | unsigned int savep; |
dae100c2 | 4196 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 LT |
4197 | int status; |
4198 | ||
4199 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
4200 | goto xdr_error; | |
4201 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4202 | goto xdr_error; | |
4203 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4204 | goto xdr_error; | |
4205 | if ((status = decode_attr_supported(xdr, bitmap, res->attr_bitmask)) != 0) | |
4206 | goto xdr_error; | |
264e6351 CL |
4207 | if ((status = decode_attr_fh_expire_type(xdr, bitmap, |
4208 | &res->fh_expire_type)) != 0) | |
4209 | goto xdr_error; | |
1da177e4 LT |
4210 | if ((status = decode_attr_link_support(xdr, bitmap, &res->has_links)) != 0) |
4211 | goto xdr_error; | |
4212 | if ((status = decode_attr_symlink_support(xdr, bitmap, &res->has_symlinks)) != 0) | |
4213 | goto xdr_error; | |
4214 | if ((status = decode_attr_aclsupport(xdr, bitmap, &res->acl_bitmask)) != 0) | |
4215 | goto xdr_error; | |
4216 | status = verify_attr_len(xdr, savep, attrlen); | |
4217 | xdr_error: | |
3110ff80 | 4218 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4219 | return status; |
4220 | } | |
6c0195a4 | 4221 | |
1da177e4 LT |
4222 | static int decode_statfs(struct xdr_stream *xdr, struct nfs_fsstat *fsstat) |
4223 | { | |
256e48bb | 4224 | unsigned int savep; |
dae100c2 | 4225 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 | 4226 | int status; |
6c0195a4 | 4227 | |
1da177e4 LT |
4228 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
4229 | goto xdr_error; | |
4230 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4231 | goto xdr_error; | |
4232 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4233 | goto xdr_error; | |
4234 | ||
4235 | if ((status = decode_attr_files_avail(xdr, bitmap, &fsstat->afiles)) != 0) | |
4236 | goto xdr_error; | |
4237 | if ((status = decode_attr_files_free(xdr, bitmap, &fsstat->ffiles)) != 0) | |
4238 | goto xdr_error; | |
4239 | if ((status = decode_attr_files_total(xdr, bitmap, &fsstat->tfiles)) != 0) | |
4240 | goto xdr_error; | |
4241 | if ((status = decode_attr_space_avail(xdr, bitmap, &fsstat->abytes)) != 0) | |
4242 | goto xdr_error; | |
4243 | if ((status = decode_attr_space_free(xdr, bitmap, &fsstat->fbytes)) != 0) | |
4244 | goto xdr_error; | |
4245 | if ((status = decode_attr_space_total(xdr, bitmap, &fsstat->tbytes)) != 0) | |
4246 | goto xdr_error; | |
4247 | ||
4248 | status = verify_attr_len(xdr, savep, attrlen); | |
4249 | xdr_error: | |
3110ff80 | 4250 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4251 | return status; |
4252 | } | |
4253 | ||
4254 | static int decode_pathconf(struct xdr_stream *xdr, struct nfs_pathconf *pathconf) | |
4255 | { | |
256e48bb | 4256 | unsigned int savep; |
dae100c2 | 4257 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 | 4258 | int status; |
6c0195a4 | 4259 | |
1da177e4 LT |
4260 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
4261 | goto xdr_error; | |
4262 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4263 | goto xdr_error; | |
4264 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4265 | goto xdr_error; | |
4266 | ||
4267 | if ((status = decode_attr_maxlink(xdr, bitmap, &pathconf->max_link)) != 0) | |
4268 | goto xdr_error; | |
4269 | if ((status = decode_attr_maxname(xdr, bitmap, &pathconf->max_namelen)) != 0) | |
4270 | goto xdr_error; | |
4271 | ||
4272 | status = verify_attr_len(xdr, savep, attrlen); | |
4273 | xdr_error: | |
3110ff80 | 4274 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4275 | return status; |
4276 | } | |
4277 | ||
88034c3d AA |
4278 | static int decode_threshold_hint(struct xdr_stream *xdr, |
4279 | uint32_t *bitmap, | |
4280 | uint64_t *res, | |
4281 | uint32_t hint_bit) | |
4282 | { | |
4283 | __be32 *p; | |
4284 | ||
4285 | *res = 0; | |
4286 | if (likely(bitmap[0] & hint_bit)) { | |
4287 | p = xdr_inline_decode(xdr, 8); | |
4288 | if (unlikely(!p)) | |
4289 | goto out_overflow; | |
4290 | xdr_decode_hyper(p, res); | |
4291 | } | |
4292 | return 0; | |
4293 | out_overflow: | |
4294 | print_overflow_msg(__func__, xdr); | |
4295 | return -EIO; | |
4296 | } | |
4297 | ||
4298 | static int decode_first_threshold_item4(struct xdr_stream *xdr, | |
4299 | struct nfs4_threshold *res) | |
4300 | { | |
256e48bb TM |
4301 | __be32 *p; |
4302 | unsigned int savep; | |
88034c3d AA |
4303 | uint32_t bitmap[3] = {0,}, attrlen; |
4304 | int status; | |
4305 | ||
4306 | /* layout type */ | |
4307 | p = xdr_inline_decode(xdr, 4); | |
4308 | if (unlikely(!p)) { | |
4309 | print_overflow_msg(__func__, xdr); | |
4310 | return -EIO; | |
4311 | } | |
4312 | res->l_type = be32_to_cpup(p); | |
4313 | ||
4314 | /* thi_hintset bitmap */ | |
4315 | status = decode_attr_bitmap(xdr, bitmap); | |
4316 | if (status < 0) | |
4317 | goto xdr_error; | |
4318 | ||
4319 | /* thi_hintlist length */ | |
4320 | status = decode_attr_length(xdr, &attrlen, &savep); | |
4321 | if (status < 0) | |
4322 | goto xdr_error; | |
4323 | /* thi_hintlist */ | |
4324 | status = decode_threshold_hint(xdr, bitmap, &res->rd_sz, THRESHOLD_RD); | |
4325 | if (status < 0) | |
4326 | goto xdr_error; | |
4327 | status = decode_threshold_hint(xdr, bitmap, &res->wr_sz, THRESHOLD_WR); | |
4328 | if (status < 0) | |
4329 | goto xdr_error; | |
4330 | status = decode_threshold_hint(xdr, bitmap, &res->rd_io_sz, | |
4331 | THRESHOLD_RD_IO); | |
4332 | if (status < 0) | |
4333 | goto xdr_error; | |
4334 | status = decode_threshold_hint(xdr, bitmap, &res->wr_io_sz, | |
4335 | THRESHOLD_WR_IO); | |
4336 | if (status < 0) | |
4337 | goto xdr_error; | |
4338 | ||
4339 | status = verify_attr_len(xdr, savep, attrlen); | |
4340 | res->bm = bitmap[0]; | |
4341 | ||
4342 | dprintk("%s bm=0x%x rd_sz=%llu wr_sz=%llu rd_io=%llu wr_io=%llu\n", | |
4343 | __func__, res->bm, res->rd_sz, res->wr_sz, res->rd_io_sz, | |
4344 | res->wr_io_sz); | |
4345 | xdr_error: | |
4346 | dprintk("%s ret=%d!\n", __func__, status); | |
4347 | return status; | |
4348 | } | |
4349 | ||
4350 | /* | |
4351 | * Thresholds on pNFS direct I/O vrs MDS I/O | |
4352 | */ | |
4353 | static int decode_attr_mdsthreshold(struct xdr_stream *xdr, | |
4354 | uint32_t *bitmap, | |
4355 | struct nfs4_threshold *res) | |
4356 | { | |
4357 | __be32 *p; | |
4358 | int status = 0; | |
4359 | uint32_t num; | |
4360 | ||
4361 | if (unlikely(bitmap[2] & (FATTR4_WORD2_MDSTHRESHOLD - 1U))) | |
4362 | return -EIO; | |
029c5347 | 4363 | if (bitmap[2] & FATTR4_WORD2_MDSTHRESHOLD) { |
1549210f TM |
4364 | /* Did the server return an unrequested attribute? */ |
4365 | if (unlikely(res == NULL)) | |
4366 | return -EREMOTEIO; | |
88034c3d AA |
4367 | p = xdr_inline_decode(xdr, 4); |
4368 | if (unlikely(!p)) | |
4369 | goto out_overflow; | |
4370 | num = be32_to_cpup(p); | |
4371 | if (num == 0) | |
4372 | return 0; | |
4373 | if (num > 1) | |
4374 | printk(KERN_INFO "%s: Warning: Multiple pNFS layout " | |
4375 | "drivers per filesystem not supported\n", | |
4376 | __func__); | |
4377 | ||
4378 | status = decode_first_threshold_item4(xdr, res); | |
029c5347 | 4379 | bitmap[2] &= ~FATTR4_WORD2_MDSTHRESHOLD; |
88034c3d AA |
4380 | } |
4381 | return status; | |
4382 | out_overflow: | |
4383 | print_overflow_msg(__func__, xdr); | |
4384 | return -EIO; | |
4385 | } | |
4386 | ||
ae42c70a BS |
4387 | static int decode_getfattr_attrs(struct xdr_stream *xdr, uint32_t *bitmap, |
4388 | struct nfs_fattr *fattr, struct nfs_fh *fh, | |
8b7e3f49 | 4389 | struct nfs4_fs_locations *fs_loc, |
6926afd1 | 4390 | const struct nfs_server *server) |
1da177e4 | 4391 | { |
bca79478 TM |
4392 | int status; |
4393 | umode_t fmode = 0; | |
ae42c70a | 4394 | uint32_t type; |
ee7b75fc | 4395 | int32_t err; |
1da177e4 | 4396 | |
f26c7a78 TM |
4397 | status = decode_attr_type(xdr, bitmap, &type); |
4398 | if (status < 0) | |
1da177e4 | 4399 | goto xdr_error; |
409924e4 TM |
4400 | fattr->mode = 0; |
4401 | if (status != 0) { | |
4402 | fattr->mode |= nfs_type2fmt[type]; | |
4403 | fattr->valid |= status; | |
4404 | } | |
1da177e4 | 4405 | |
f26c7a78 TM |
4406 | status = decode_attr_change(xdr, bitmap, &fattr->change_attr); |
4407 | if (status < 0) | |
1da177e4 | 4408 | goto xdr_error; |
409924e4 | 4409 | fattr->valid |= status; |
f26c7a78 TM |
4410 | |
4411 | status = decode_attr_size(xdr, bitmap, &fattr->size); | |
4412 | if (status < 0) | |
1da177e4 | 4413 | goto xdr_error; |
409924e4 | 4414 | fattr->valid |= status; |
f26c7a78 TM |
4415 | |
4416 | status = decode_attr_fsid(xdr, bitmap, &fattr->fsid); | |
4417 | if (status < 0) | |
1da177e4 | 4418 | goto xdr_error; |
409924e4 | 4419 | fattr->valid |= status; |
f26c7a78 | 4420 | |
ee7b75fc TM |
4421 | err = 0; |
4422 | status = decode_attr_error(xdr, bitmap, &err); | |
ae42c70a BS |
4423 | if (status < 0) |
4424 | goto xdr_error; | |
4425 | ||
4426 | status = decode_attr_filehandle(xdr, bitmap, fh); | |
4427 | if (status < 0) | |
4428 | goto xdr_error; | |
4429 | ||
f26c7a78 TM |
4430 | status = decode_attr_fileid(xdr, bitmap, &fattr->fileid); |
4431 | if (status < 0) | |
1da177e4 | 4432 | goto xdr_error; |
409924e4 | 4433 | fattr->valid |= status; |
f26c7a78 | 4434 | |
8b7e3f49 | 4435 | status = decode_attr_fs_locations(xdr, bitmap, fs_loc); |
f26c7a78 | 4436 | if (status < 0) |
683b57b4 | 4437 | goto xdr_error; |
409924e4 | 4438 | fattr->valid |= status; |
f26c7a78 TM |
4439 | |
4440 | status = decode_attr_mode(xdr, bitmap, &fmode); | |
4441 | if (status < 0) | |
1da177e4 | 4442 | goto xdr_error; |
409924e4 TM |
4443 | if (status != 0) { |
4444 | fattr->mode |= fmode; | |
4445 | fattr->valid |= status; | |
4446 | } | |
f26c7a78 TM |
4447 | |
4448 | status = decode_attr_nlink(xdr, bitmap, &fattr->nlink); | |
4449 | if (status < 0) | |
1da177e4 | 4450 | goto xdr_error; |
409924e4 | 4451 | fattr->valid |= status; |
f26c7a78 | 4452 | |
6926afd1 | 4453 | status = decode_attr_owner(xdr, bitmap, server, &fattr->uid, fattr->owner_name); |
f26c7a78 | 4454 | if (status < 0) |
1da177e4 | 4455 | goto xdr_error; |
409924e4 | 4456 | fattr->valid |= status; |
f26c7a78 | 4457 | |
6926afd1 | 4458 | status = decode_attr_group(xdr, bitmap, server, &fattr->gid, fattr->group_name); |
f26c7a78 | 4459 | if (status < 0) |
1da177e4 | 4460 | goto xdr_error; |
409924e4 | 4461 | fattr->valid |= status; |
f26c7a78 TM |
4462 | |
4463 | status = decode_attr_rdev(xdr, bitmap, &fattr->rdev); | |
4464 | if (status < 0) | |
1da177e4 | 4465 | goto xdr_error; |
409924e4 | 4466 | fattr->valid |= status; |
f26c7a78 TM |
4467 | |
4468 | status = decode_attr_space_used(xdr, bitmap, &fattr->du.nfs3.used); | |
4469 | if (status < 0) | |
1da177e4 | 4470 | goto xdr_error; |
409924e4 | 4471 | fattr->valid |= status; |
f26c7a78 TM |
4472 | |
4473 | status = decode_attr_time_access(xdr, bitmap, &fattr->atime); | |
4474 | if (status < 0) | |
1da177e4 | 4475 | goto xdr_error; |
409924e4 | 4476 | fattr->valid |= status; |
f26c7a78 TM |
4477 | |
4478 | status = decode_attr_time_metadata(xdr, bitmap, &fattr->ctime); | |
4479 | if (status < 0) | |
1da177e4 | 4480 | goto xdr_error; |
409924e4 | 4481 | fattr->valid |= status; |
f26c7a78 TM |
4482 | |
4483 | status = decode_attr_time_modify(xdr, bitmap, &fattr->mtime); | |
4484 | if (status < 0) | |
1da177e4 | 4485 | goto xdr_error; |
409924e4 | 4486 | fattr->valid |= status; |
f26c7a78 | 4487 | |
28331a46 | 4488 | status = decode_attr_mounted_on_fileid(xdr, bitmap, &fattr->mounted_on_fileid); |
f26c7a78 | 4489 | if (status < 0) |
99baf625 | 4490 | goto xdr_error; |
28331a46 | 4491 | fattr->valid |= status; |
f26c7a78 | 4492 | |
88034c3d AA |
4493 | status = decode_attr_mdsthreshold(xdr, bitmap, fattr->mdsthreshold); |
4494 | if (status < 0) | |
4495 | goto xdr_error; | |
4496 | ||
ae42c70a BS |
4497 | xdr_error: |
4498 | dprintk("%s: xdr returned %d\n", __func__, -status); | |
4499 | return status; | |
4500 | } | |
4501 | ||
4502 | static int decode_getfattr_generic(struct xdr_stream *xdr, struct nfs_fattr *fattr, | |
8b7e3f49 TM |
4503 | struct nfs_fh *fh, struct nfs4_fs_locations *fs_loc, |
4504 | const struct nfs_server *server) | |
ae42c70a | 4505 | { |
256e48bb | 4506 | unsigned int savep; |
ae42c70a | 4507 | uint32_t attrlen, |
dae100c2 | 4508 | bitmap[3] = {0}; |
ae42c70a BS |
4509 | int status; |
4510 | ||
4511 | status = decode_op_hdr(xdr, OP_GETATTR); | |
4512 | if (status < 0) | |
4513 | goto xdr_error; | |
4514 | ||
4515 | status = decode_attr_bitmap(xdr, bitmap); | |
4516 | if (status < 0) | |
4517 | goto xdr_error; | |
4518 | ||
4519 | status = decode_attr_length(xdr, &attrlen, &savep); | |
4520 | if (status < 0) | |
4521 | goto xdr_error; | |
4522 | ||
8b7e3f49 | 4523 | status = decode_getfattr_attrs(xdr, bitmap, fattr, fh, fs_loc, server); |
ae42c70a BS |
4524 | if (status < 0) |
4525 | goto xdr_error; | |
4526 | ||
f26c7a78 | 4527 | status = verify_attr_len(xdr, savep, attrlen); |
1da177e4 | 4528 | xdr_error: |
3110ff80 | 4529 | dprintk("%s: xdr returned %d\n", __func__, -status); |
1da177e4 LT |
4530 | return status; |
4531 | } | |
4532 | ||
ae42c70a | 4533 | static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr, |
6926afd1 | 4534 | const struct nfs_server *server) |
ae42c70a | 4535 | { |
8b7e3f49 | 4536 | return decode_getfattr_generic(xdr, fattr, NULL, NULL, server); |
ae42c70a | 4537 | } |
1da177e4 | 4538 | |
504913fb AA |
4539 | /* |
4540 | * Decode potentially multiple layout types. Currently we only support | |
4541 | * one layout driver per file system. | |
4542 | */ | |
4543 | static int decode_first_pnfs_layout_type(struct xdr_stream *xdr, | |
4544 | uint32_t *layouttype) | |
4545 | { | |
4546 | uint32_t *p; | |
4547 | int num; | |
4548 | ||
4549 | p = xdr_inline_decode(xdr, 4); | |
4550 | if (unlikely(!p)) | |
4551 | goto out_overflow; | |
4552 | num = be32_to_cpup(p); | |
4553 | ||
4554 | /* pNFS is not supported by the underlying file system */ | |
4555 | if (num == 0) { | |
4556 | *layouttype = 0; | |
4557 | return 0; | |
4558 | } | |
4559 | if (num > 1) | |
a030889a WAA |
4560 | printk(KERN_INFO "NFS: %s: Warning: Multiple pNFS layout " |
4561 | "drivers per filesystem not supported\n", __func__); | |
504913fb AA |
4562 | |
4563 | /* Decode and set first layout type, move xdr->p past unused types */ | |
4564 | p = xdr_inline_decode(xdr, num * 4); | |
4565 | if (unlikely(!p)) | |
4566 | goto out_overflow; | |
4567 | *layouttype = be32_to_cpup(p); | |
4568 | return 0; | |
4569 | out_overflow: | |
4570 | print_overflow_msg(__func__, xdr); | |
4571 | return -EIO; | |
4572 | } | |
4573 | ||
4574 | /* | |
4575 | * The type of file system exported. | |
4576 | * Note we must ensure that layouttype is set in any non-error case. | |
4577 | */ | |
4578 | static int decode_attr_pnfstype(struct xdr_stream *xdr, uint32_t *bitmap, | |
4579 | uint32_t *layouttype) | |
4580 | { | |
4581 | int status = 0; | |
4582 | ||
4583 | dprintk("%s: bitmap is %x\n", __func__, bitmap[1]); | |
4584 | if (unlikely(bitmap[1] & (FATTR4_WORD1_FS_LAYOUT_TYPES - 1U))) | |
4585 | return -EIO; | |
4586 | if (bitmap[1] & FATTR4_WORD1_FS_LAYOUT_TYPES) { | |
4587 | status = decode_first_pnfs_layout_type(xdr, layouttype); | |
4588 | bitmap[1] &= ~FATTR4_WORD1_FS_LAYOUT_TYPES; | |
4589 | } else | |
4590 | *layouttype = 0; | |
4591 | return status; | |
4592 | } | |
4593 | ||
dae100c2 FI |
4594 | /* |
4595 | * The prefered block size for layout directed io | |
4596 | */ | |
4597 | static int decode_attr_layout_blksize(struct xdr_stream *xdr, uint32_t *bitmap, | |
4598 | uint32_t *res) | |
4599 | { | |
4600 | __be32 *p; | |
4601 | ||
4602 | dprintk("%s: bitmap is %x\n", __func__, bitmap[2]); | |
4603 | *res = 0; | |
4604 | if (bitmap[2] & FATTR4_WORD2_LAYOUT_BLKSIZE) { | |
4605 | p = xdr_inline_decode(xdr, 4); | |
4606 | if (unlikely(!p)) { | |
4607 | print_overflow_msg(__func__, xdr); | |
4608 | return -EIO; | |
4609 | } | |
4610 | *res = be32_to_cpup(p); | |
4611 | bitmap[2] &= ~FATTR4_WORD2_LAYOUT_BLKSIZE; | |
4612 | } | |
4613 | return 0; | |
4614 | } | |
4615 | ||
1da177e4 LT |
4616 | static int decode_fsinfo(struct xdr_stream *xdr, struct nfs_fsinfo *fsinfo) |
4617 | { | |
256e48bb | 4618 | unsigned int savep; |
dae100c2 | 4619 | uint32_t attrlen, bitmap[3]; |
1da177e4 LT |
4620 | int status; |
4621 | ||
4622 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
4623 | goto xdr_error; | |
4624 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4625 | goto xdr_error; | |
4626 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4627 | goto xdr_error; | |
4628 | ||
4629 | fsinfo->rtmult = fsinfo->wtmult = 512; /* ??? */ | |
4630 | ||
4631 | if ((status = decode_attr_lease_time(xdr, bitmap, &fsinfo->lease_time)) != 0) | |
4632 | goto xdr_error; | |
4633 | if ((status = decode_attr_maxfilesize(xdr, bitmap, &fsinfo->maxfilesize)) != 0) | |
4634 | goto xdr_error; | |
4635 | if ((status = decode_attr_maxread(xdr, bitmap, &fsinfo->rtmax)) != 0) | |
4636 | goto xdr_error; | |
4637 | fsinfo->rtpref = fsinfo->dtpref = fsinfo->rtmax; | |
4638 | if ((status = decode_attr_maxwrite(xdr, bitmap, &fsinfo->wtmax)) != 0) | |
4639 | goto xdr_error; | |
4640 | fsinfo->wtpref = fsinfo->wtmax; | |
55b6e774 | 4641 | status = decode_attr_time_delta(xdr, bitmap, &fsinfo->time_delta); |
504913fb AA |
4642 | if (status != 0) |
4643 | goto xdr_error; | |
4644 | status = decode_attr_pnfstype(xdr, bitmap, &fsinfo->layouttype); | |
55b6e774 RL |
4645 | if (status != 0) |
4646 | goto xdr_error; | |
dae100c2 FI |
4647 | status = decode_attr_layout_blksize(xdr, bitmap, &fsinfo->blksize); |
4648 | if (status) | |
4649 | goto xdr_error; | |
1da177e4 LT |
4650 | |
4651 | status = verify_attr_len(xdr, savep, attrlen); | |
4652 | xdr_error: | |
3110ff80 | 4653 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4654 | return status; |
4655 | } | |
4656 | ||
4657 | static int decode_getfh(struct xdr_stream *xdr, struct nfs_fh *fh) | |
4658 | { | |
8687b63a | 4659 | __be32 *p; |
1da177e4 LT |
4660 | uint32_t len; |
4661 | int status; | |
4662 | ||
9936781d TM |
4663 | /* Zero handle first to allow comparisons */ |
4664 | memset(fh, 0, sizeof(*fh)); | |
4665 | ||
1da177e4 LT |
4666 | status = decode_op_hdr(xdr, OP_GETFH); |
4667 | if (status) | |
4668 | return status; | |
1da177e4 | 4669 | |
c0eae66e BH |
4670 | p = xdr_inline_decode(xdr, 4); |
4671 | if (unlikely(!p)) | |
4672 | goto out_overflow; | |
cccddf4f | 4673 | len = be32_to_cpup(p); |
1da177e4 LT |
4674 | if (len > NFS4_FHSIZE) |
4675 | return -EIO; | |
4676 | fh->size = len; | |
c0eae66e BH |
4677 | p = xdr_inline_decode(xdr, len); |
4678 | if (unlikely(!p)) | |
4679 | goto out_overflow; | |
99398d06 | 4680 | memcpy(fh->data, p, len); |
1da177e4 | 4681 | return 0; |
c0eae66e BH |
4682 | out_overflow: |
4683 | print_overflow_msg(__func__, xdr); | |
4684 | return -EIO; | |
1da177e4 LT |
4685 | } |
4686 | ||
4687 | static int decode_link(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4688 | { | |
4689 | int status; | |
6c0195a4 | 4690 | |
1da177e4 LT |
4691 | status = decode_op_hdr(xdr, OP_LINK); |
4692 | if (status) | |
4693 | return status; | |
4694 | return decode_change_info(xdr, cinfo); | |
4695 | } | |
4696 | ||
4697 | /* | |
4698 | * We create the owner, so we know a proper owner.id length is 4. | |
4699 | */ | |
911d1aaf | 4700 | static int decode_lock_denied (struct xdr_stream *xdr, struct file_lock *fl) |
1da177e4 | 4701 | { |
911d1aaf | 4702 | uint64_t offset, length, clientid; |
8687b63a | 4703 | __be32 *p; |
911d1aaf | 4704 | uint32_t namelen, type; |
1da177e4 | 4705 | |
babddc72 | 4706 | p = xdr_inline_decode(xdr, 32); /* read 32 bytes */ |
c0eae66e BH |
4707 | if (unlikely(!p)) |
4708 | goto out_overflow; | |
babddc72 | 4709 | p = xdr_decode_hyper(p, &offset); /* read 2 8-byte long words */ |
3ceb4dbb | 4710 | p = xdr_decode_hyper(p, &length); |
babddc72 BS |
4711 | type = be32_to_cpup(p++); /* 4 byte read */ |
4712 | if (fl != NULL) { /* manipulate file lock */ | |
911d1aaf TM |
4713 | fl->fl_start = (loff_t)offset; |
4714 | fl->fl_end = fl->fl_start + (loff_t)length - 1; | |
4715 | if (length == ~(uint64_t)0) | |
4716 | fl->fl_end = OFFSET_MAX; | |
4717 | fl->fl_type = F_WRLCK; | |
4718 | if (type & 1) | |
4719 | fl->fl_type = F_RDLCK; | |
4720 | fl->fl_pid = 0; | |
4721 | } | |
babddc72 BS |
4722 | p = xdr_decode_hyper(p, &clientid); /* read 8 bytes */ |
4723 | namelen = be32_to_cpup(p); /* read 4 bytes */ /* have read all 32 bytes now */ | |
4724 | p = xdr_inline_decode(xdr, namelen); /* variable size field */ | |
c0eae66e BH |
4725 | if (likely(p)) |
4726 | return -NFS4ERR_DENIED; | |
4727 | out_overflow: | |
4728 | print_overflow_msg(__func__, xdr); | |
4729 | return -EIO; | |
1da177e4 LT |
4730 | } |
4731 | ||
911d1aaf | 4732 | static int decode_lock(struct xdr_stream *xdr, struct nfs_lock_res *res) |
1da177e4 | 4733 | { |
1da177e4 LT |
4734 | int status; |
4735 | ||
4736 | status = decode_op_hdr(xdr, OP_LOCK); | |
c1d51931 TM |
4737 | if (status == -EIO) |
4738 | goto out; | |
1da177e4 | 4739 | if (status == 0) { |
07d30434 BH |
4740 | status = decode_stateid(xdr, &res->stateid); |
4741 | if (unlikely(status)) | |
4742 | goto out; | |
1da177e4 | 4743 | } else if (status == -NFS4ERR_DENIED) |
c1d51931 TM |
4744 | status = decode_lock_denied(xdr, NULL); |
4745 | if (res->open_seqid != NULL) | |
4746 | nfs_increment_open_seqid(status, res->open_seqid); | |
4747 | nfs_increment_lock_seqid(status, res->lock_seqid); | |
4748 | out: | |
1da177e4 LT |
4749 | return status; |
4750 | } | |
4751 | ||
911d1aaf | 4752 | static int decode_lockt(struct xdr_stream *xdr, struct nfs_lockt_res *res) |
1da177e4 LT |
4753 | { |
4754 | int status; | |
4755 | status = decode_op_hdr(xdr, OP_LOCKT); | |
4756 | if (status == -NFS4ERR_DENIED) | |
911d1aaf | 4757 | return decode_lock_denied(xdr, res->denied); |
1da177e4 LT |
4758 | return status; |
4759 | } | |
4760 | ||
911d1aaf | 4761 | static int decode_locku(struct xdr_stream *xdr, struct nfs_locku_res *res) |
1da177e4 | 4762 | { |
1da177e4 LT |
4763 | int status; |
4764 | ||
4765 | status = decode_op_hdr(xdr, OP_LOCKU); | |
c1d51931 TM |
4766 | if (status != -EIO) |
4767 | nfs_increment_lock_seqid(status, res->seqid); | |
07d30434 BH |
4768 | if (status == 0) |
4769 | status = decode_stateid(xdr, &res->stateid); | |
1da177e4 LT |
4770 | return status; |
4771 | } | |
4772 | ||
d3c7b7cc TM |
4773 | static int decode_release_lockowner(struct xdr_stream *xdr) |
4774 | { | |
4775 | return decode_op_hdr(xdr, OP_RELEASE_LOCKOWNER); | |
4776 | } | |
4777 | ||
1da177e4 LT |
4778 | static int decode_lookup(struct xdr_stream *xdr) |
4779 | { | |
4780 | return decode_op_hdr(xdr, OP_LOOKUP); | |
4781 | } | |
4782 | ||
4783 | /* This is too sick! */ | |
4784 | static int decode_space_limit(struct xdr_stream *xdr, u64 *maxsize) | |
4785 | { | |
05d564fe | 4786 | __be32 *p; |
1da177e4 LT |
4787 | uint32_t limit_type, nblocks, blocksize; |
4788 | ||
c0eae66e BH |
4789 | p = xdr_inline_decode(xdr, 12); |
4790 | if (unlikely(!p)) | |
4791 | goto out_overflow; | |
6f723f77 | 4792 | limit_type = be32_to_cpup(p++); |
1da177e4 | 4793 | switch (limit_type) { |
05d564fe | 4794 | case 1: |
cccddf4f | 4795 | xdr_decode_hyper(p, maxsize); |
05d564fe AA |
4796 | break; |
4797 | case 2: | |
6f723f77 | 4798 | nblocks = be32_to_cpup(p++); |
cccddf4f | 4799 | blocksize = be32_to_cpup(p); |
05d564fe | 4800 | *maxsize = (uint64_t)nblocks * (uint64_t)blocksize; |
1da177e4 LT |
4801 | } |
4802 | return 0; | |
c0eae66e BH |
4803 | out_overflow: |
4804 | print_overflow_msg(__func__, xdr); | |
4805 | return -EIO; | |
1da177e4 LT |
4806 | } |
4807 | ||
4808 | static int decode_delegation(struct xdr_stream *xdr, struct nfs_openres *res) | |
4809 | { | |
05d564fe AA |
4810 | __be32 *p; |
4811 | uint32_t delegation_type; | |
07d30434 | 4812 | int status; |
1da177e4 | 4813 | |
c0eae66e BH |
4814 | p = xdr_inline_decode(xdr, 4); |
4815 | if (unlikely(!p)) | |
4816 | goto out_overflow; | |
cccddf4f | 4817 | delegation_type = be32_to_cpup(p); |
1da177e4 LT |
4818 | if (delegation_type == NFS4_OPEN_DELEGATE_NONE) { |
4819 | res->delegation_type = 0; | |
4820 | return 0; | |
4821 | } | |
07d30434 BH |
4822 | status = decode_stateid(xdr, &res->delegation); |
4823 | if (unlikely(status)) | |
4824 | return status; | |
c0eae66e BH |
4825 | p = xdr_inline_decode(xdr, 4); |
4826 | if (unlikely(!p)) | |
4827 | goto out_overflow; | |
cccddf4f | 4828 | res->do_recall = be32_to_cpup(p); |
05d564fe | 4829 | |
1da177e4 | 4830 | switch (delegation_type) { |
05d564fe AA |
4831 | case NFS4_OPEN_DELEGATE_READ: |
4832 | res->delegation_type = FMODE_READ; | |
4833 | break; | |
4834 | case NFS4_OPEN_DELEGATE_WRITE: | |
4835 | res->delegation_type = FMODE_WRITE|FMODE_READ; | |
4836 | if (decode_space_limit(xdr, &res->maxsize) < 0) | |
1da177e4 LT |
4837 | return -EIO; |
4838 | } | |
7539bbab | 4839 | return decode_ace(xdr, NULL, res->server->nfs_client); |
c0eae66e BH |
4840 | out_overflow: |
4841 | print_overflow_msg(__func__, xdr); | |
4842 | return -EIO; | |
1da177e4 LT |
4843 | } |
4844 | ||
4845 | static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res) | |
4846 | { | |
05d564fe | 4847 | __be32 *p; |
aa53ed54 | 4848 | uint32_t savewords, bmlen, i; |
05d564fe | 4849 | int status; |
1da177e4 | 4850 | |
05d564fe | 4851 | status = decode_op_hdr(xdr, OP_OPEN); |
c1d51931 TM |
4852 | if (status != -EIO) |
4853 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4854 | if (!status) |
4855 | status = decode_stateid(xdr, &res->stateid); | |
4856 | if (unlikely(status)) | |
05d564fe | 4857 | return status; |
1da177e4 | 4858 | |
05d564fe | 4859 | decode_change_info(xdr, &res->cinfo); |
1da177e4 | 4860 | |
c0eae66e BH |
4861 | p = xdr_inline_decode(xdr, 8); |
4862 | if (unlikely(!p)) | |
4863 | goto out_overflow; | |
6f723f77 | 4864 | res->rflags = be32_to_cpup(p++); |
cccddf4f | 4865 | bmlen = be32_to_cpup(p); |
05d564fe AA |
4866 | if (bmlen > 10) |
4867 | goto xdr_error; | |
1da177e4 | 4868 | |
c0eae66e BH |
4869 | p = xdr_inline_decode(xdr, bmlen << 2); |
4870 | if (unlikely(!p)) | |
4871 | goto out_overflow; | |
aa53ed54 JL |
4872 | savewords = min_t(uint32_t, bmlen, NFS4_BITMAP_SIZE); |
4873 | for (i = 0; i < savewords; ++i) | |
6f723f77 | 4874 | res->attrset[i] = be32_to_cpup(p++); |
aa53ed54 JL |
4875 | for (; i < NFS4_BITMAP_SIZE; i++) |
4876 | res->attrset[i] = 0; | |
4877 | ||
1da177e4 LT |
4878 | return decode_delegation(xdr, res); |
4879 | xdr_error: | |
3110ff80 | 4880 | dprintk("%s: Bitmap too large! Length = %u\n", __func__, bmlen); |
1da177e4 | 4881 | return -EIO; |
c0eae66e BH |
4882 | out_overflow: |
4883 | print_overflow_msg(__func__, xdr); | |
4884 | return -EIO; | |
1da177e4 LT |
4885 | } |
4886 | ||
4887 | static int decode_open_confirm(struct xdr_stream *xdr, struct nfs_open_confirmres *res) | |
4888 | { | |
1da177e4 LT |
4889 | int status; |
4890 | ||
05d564fe | 4891 | status = decode_op_hdr(xdr, OP_OPEN_CONFIRM); |
c1d51931 TM |
4892 | if (status != -EIO) |
4893 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4894 | if (!status) |
4895 | status = decode_stateid(xdr, &res->stateid); | |
4896 | return status; | |
1da177e4 LT |
4897 | } |
4898 | ||
4899 | static int decode_open_downgrade(struct xdr_stream *xdr, struct nfs_closeres *res) | |
4900 | { | |
1da177e4 LT |
4901 | int status; |
4902 | ||
4903 | status = decode_op_hdr(xdr, OP_OPEN_DOWNGRADE); | |
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_putfh(struct xdr_stream *xdr) | |
4912 | { | |
4913 | return decode_op_hdr(xdr, OP_PUTFH); | |
4914 | } | |
4915 | ||
4916 | static int decode_putrootfh(struct xdr_stream *xdr) | |
4917 | { | |
4918 | return decode_op_hdr(xdr, OP_PUTROOTFH); | |
4919 | } | |
4920 | ||
4921 | static int decode_read(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs_readres *res) | |
4922 | { | |
8687b63a | 4923 | __be32 *p; |
64bd577e | 4924 | uint32_t count, eof, recvd; |
1da177e4 LT |
4925 | int status; |
4926 | ||
4927 | status = decode_op_hdr(xdr, OP_READ); | |
4928 | if (status) | |
4929 | return status; | |
c0eae66e BH |
4930 | p = xdr_inline_decode(xdr, 8); |
4931 | if (unlikely(!p)) | |
4932 | goto out_overflow; | |
6f723f77 | 4933 | eof = be32_to_cpup(p++); |
cccddf4f | 4934 | count = be32_to_cpup(p); |
64bd577e | 4935 | recvd = xdr_read_pages(xdr, count); |
1da177e4 | 4936 | if (count > recvd) { |
fe82a183 | 4937 | dprintk("NFS: server cheating in read reply: " |
1da177e4 LT |
4938 | "count %u > recvd %u\n", count, recvd); |
4939 | count = recvd; | |
4940 | eof = 0; | |
4941 | } | |
1da177e4 LT |
4942 | res->eof = eof; |
4943 | res->count = count; | |
4944 | return 0; | |
c0eae66e BH |
4945 | out_overflow: |
4946 | print_overflow_msg(__func__, xdr); | |
4947 | return -EIO; | |
1da177e4 LT |
4948 | } |
4949 | ||
4950 | static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs4_readdir_res *readdir) | |
4951 | { | |
bcecff77 | 4952 | int status; |
cd93710e | 4953 | __be32 verf[2]; |
1da177e4 LT |
4954 | |
4955 | status = decode_op_hdr(xdr, OP_READDIR); | |
db942bbd BH |
4956 | if (!status) |
4957 | status = decode_verifier(xdr, readdir->verifier.data); | |
4958 | if (unlikely(status)) | |
1da177e4 | 4959 | return status; |
cd93710e | 4960 | memcpy(verf, readdir->verifier.data, sizeof(verf)); |
44109241 | 4961 | dprintk("%s: verifier = %08x:%08x\n", |
cd93710e | 4962 | __func__, verf[0], verf[1]); |
64bd577e | 4963 | return xdr_read_pages(xdr, xdr->buf->page_len); |
1da177e4 LT |
4964 | } |
4965 | ||
4966 | static int decode_readlink(struct xdr_stream *xdr, struct rpc_rqst *req) | |
4967 | { | |
4968 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; | |
bcecff77 | 4969 | u32 len, recvd; |
8687b63a | 4970 | __be32 *p; |
1da177e4 LT |
4971 | int status; |
4972 | ||
4973 | status = decode_op_hdr(xdr, OP_READLINK); | |
4974 | if (status) | |
4975 | return status; | |
4976 | ||
4977 | /* Convert length of symlink */ | |
c0eae66e BH |
4978 | p = xdr_inline_decode(xdr, 4); |
4979 | if (unlikely(!p)) | |
4980 | goto out_overflow; | |
cccddf4f | 4981 | len = be32_to_cpup(p); |
1da177e4 | 4982 | if (len >= rcvbuf->page_len || len <= 0) { |
fe82a183 | 4983 | dprintk("nfs: server returned giant symlink!\n"); |
1da177e4 LT |
4984 | return -ENAMETOOLONG; |
4985 | } | |
64bd577e | 4986 | recvd = xdr_read_pages(xdr, len); |
1da177e4 | 4987 | if (recvd < len) { |
fe82a183 | 4988 | dprintk("NFS: server cheating in readlink reply: " |
1da177e4 LT |
4989 | "count %u > recvd %u\n", len, recvd); |
4990 | return -EIO; | |
4991 | } | |
1da177e4 LT |
4992 | /* |
4993 | * The XDR encode routine has set things up so that | |
4994 | * the link text will be copied directly into the | |
4995 | * buffer. We just have to do overflow-checking, | |
4996 | * and and null-terminate the text (the VFS expects | |
4997 | * null-termination). | |
4998 | */ | |
b4687da7 | 4999 | xdr_terminate_string(rcvbuf, len); |
1da177e4 | 5000 | return 0; |
c0eae66e BH |
5001 | out_overflow: |
5002 | print_overflow_msg(__func__, xdr); | |
5003 | return -EIO; | |
1da177e4 LT |
5004 | } |
5005 | ||
5006 | static int decode_remove(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
5007 | { | |
5008 | int status; | |
5009 | ||
5010 | status = decode_op_hdr(xdr, OP_REMOVE); | |
5011 | if (status) | |
5012 | goto out; | |
5013 | status = decode_change_info(xdr, cinfo); | |
5014 | out: | |
5015 | return status; | |
5016 | } | |
5017 | ||
5018 | static int decode_rename(struct xdr_stream *xdr, struct nfs4_change_info *old_cinfo, | |
5019 | struct nfs4_change_info *new_cinfo) | |
5020 | { | |
5021 | int status; | |
5022 | ||
5023 | status = decode_op_hdr(xdr, OP_RENAME); | |
5024 | if (status) | |
5025 | goto out; | |
5026 | if ((status = decode_change_info(xdr, old_cinfo))) | |
5027 | goto out; | |
5028 | status = decode_change_info(xdr, new_cinfo); | |
5029 | out: | |
5030 | return status; | |
5031 | } | |
5032 | ||
5033 | static int decode_renew(struct xdr_stream *xdr) | |
5034 | { | |
5035 | return decode_op_hdr(xdr, OP_RENEW); | |
5036 | } | |
5037 | ||
56ae19f3 TM |
5038 | static int |
5039 | decode_restorefh(struct xdr_stream *xdr) | |
5040 | { | |
5041 | return decode_op_hdr(xdr, OP_RESTOREFH); | |
5042 | } | |
5043 | ||
029d105e | 5044 | static int decode_getacl(struct xdr_stream *xdr, struct rpc_rqst *req, |
bf118a34 | 5045 | struct nfs_getaclres *res) |
029d105e | 5046 | { |
256e48bb | 5047 | unsigned int savep; |
029d105e | 5048 | uint32_t attrlen, |
dae100c2 | 5049 | bitmap[3] = {0}; |
029d105e | 5050 | int status; |
cff298c7 | 5051 | unsigned int pg_offset; |
029d105e | 5052 | |
bf118a34 | 5053 | res->acl_len = 0; |
029d105e BF |
5054 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
5055 | goto out; | |
5a006899 | 5056 | |
519d3959 TM |
5057 | xdr_enter_page(xdr, xdr->buf->page_len); |
5058 | ||
cff298c7 TM |
5059 | /* Calculate the offset of the page data */ |
5060 | pg_offset = xdr->buf->head[0].iov_len; | |
5a006899 | 5061 | |
029d105e BF |
5062 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) |
5063 | goto out; | |
5064 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
5065 | goto out; | |
5066 | ||
5067 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACL - 1U))) | |
5068 | return -EIO; | |
5069 | if (likely(bitmap[0] & FATTR4_WORD0_ACL)) { | |
029d105e | 5070 | |
bf118a34 AA |
5071 | /* The bitmap (xdr len + bitmaps) and the attr xdr len words |
5072 | * are stored with the acl data to handle the problem of | |
5073 | * variable length bitmaps.*/ | |
cff298c7 | 5074 | res->acl_data_offset = xdr_stream_pos(xdr) - pg_offset; |
519d3959 | 5075 | res->acl_len = attrlen; |
1f1ea6c2 TM |
5076 | |
5077 | /* Check for receive buffer overflow */ | |
5078 | if (res->acl_len > (xdr->nwords << 2) || | |
5079 | res->acl_len + res->acl_data_offset > xdr->buf->page_len) { | |
5080 | res->acl_flags |= NFS4_ACL_TRUNC; | |
519d3959 | 5081 | dprintk("NFS: acl reply: attrlen %u > page_len %u\n", |
cff298c7 | 5082 | attrlen, xdr->nwords << 2); |
029d105e | 5083 | } |
8c233cf9 BF |
5084 | } else |
5085 | status = -EOPNOTSUPP; | |
029d105e BF |
5086 | |
5087 | out: | |
5088 | return status; | |
5089 | } | |
5090 | ||
1da177e4 LT |
5091 | static int |
5092 | decode_savefh(struct xdr_stream *xdr) | |
5093 | { | |
5094 | return decode_op_hdr(xdr, OP_SAVEFH); | |
5095 | } | |
5096 | ||
9e9ecc03 | 5097 | static int decode_setattr(struct xdr_stream *xdr) |
1da177e4 | 5098 | { |
8687b63a | 5099 | __be32 *p; |
1da177e4 LT |
5100 | uint32_t bmlen; |
5101 | int status; | |
5102 | ||
1da177e4 LT |
5103 | status = decode_op_hdr(xdr, OP_SETATTR); |
5104 | if (status) | |
5105 | return status; | |
c0eae66e BH |
5106 | p = xdr_inline_decode(xdr, 4); |
5107 | if (unlikely(!p)) | |
5108 | goto out_overflow; | |
cccddf4f | 5109 | bmlen = be32_to_cpup(p); |
c0eae66e BH |
5110 | p = xdr_inline_decode(xdr, bmlen << 2); |
5111 | if (likely(p)) | |
5112 | return 0; | |
5113 | out_overflow: | |
5114 | print_overflow_msg(__func__, xdr); | |
5115 | return -EIO; | |
1da177e4 LT |
5116 | } |
5117 | ||
bb8b27e5 | 5118 | static int decode_setclientid(struct xdr_stream *xdr, struct nfs4_setclientid_res *res) |
1da177e4 | 5119 | { |
8687b63a | 5120 | __be32 *p; |
1da177e4 LT |
5121 | uint32_t opnum; |
5122 | int32_t nfserr; | |
5123 | ||
c0eae66e BH |
5124 | p = xdr_inline_decode(xdr, 8); |
5125 | if (unlikely(!p)) | |
5126 | goto out_overflow; | |
6f723f77 | 5127 | opnum = be32_to_cpup(p++); |
1da177e4 | 5128 | if (opnum != OP_SETCLIENTID) { |
fe82a183 | 5129 | dprintk("nfs: decode_setclientid: Server returned operation" |
6c0195a4 | 5130 | " %d\n", opnum); |
1da177e4 LT |
5131 | return -EIO; |
5132 | } | |
cccddf4f | 5133 | nfserr = be32_to_cpup(p); |
1da177e4 | 5134 | if (nfserr == NFS_OK) { |
c0eae66e BH |
5135 | p = xdr_inline_decode(xdr, 8 + NFS4_VERIFIER_SIZE); |
5136 | if (unlikely(!p)) | |
5137 | goto out_overflow; | |
bb8b27e5 TM |
5138 | p = xdr_decode_hyper(p, &res->clientid); |
5139 | memcpy(res->confirm.data, p, NFS4_VERIFIER_SIZE); | |
1da177e4 LT |
5140 | } else if (nfserr == NFSERR_CLID_INUSE) { |
5141 | uint32_t len; | |
5142 | ||
5143 | /* skip netid string */ | |
c0eae66e BH |
5144 | p = xdr_inline_decode(xdr, 4); |
5145 | if (unlikely(!p)) | |
5146 | goto out_overflow; | |
cccddf4f | 5147 | len = be32_to_cpup(p); |
c0eae66e BH |
5148 | p = xdr_inline_decode(xdr, len); |
5149 | if (unlikely(!p)) | |
5150 | goto out_overflow; | |
1da177e4 LT |
5151 | |
5152 | /* skip uaddr string */ | |
c0eae66e BH |
5153 | p = xdr_inline_decode(xdr, 4); |
5154 | if (unlikely(!p)) | |
5155 | goto out_overflow; | |
cccddf4f | 5156 | len = be32_to_cpup(p); |
c0eae66e BH |
5157 | p = xdr_inline_decode(xdr, len); |
5158 | if (unlikely(!p)) | |
5159 | goto out_overflow; | |
1da177e4 LT |
5160 | return -NFSERR_CLID_INUSE; |
5161 | } else | |
856dff3d | 5162 | return nfs4_stat_to_errno(nfserr); |
1da177e4 LT |
5163 | |
5164 | return 0; | |
c0eae66e BH |
5165 | out_overflow: |
5166 | print_overflow_msg(__func__, xdr); | |
5167 | return -EIO; | |
1da177e4 LT |
5168 | } |
5169 | ||
5170 | static int decode_setclientid_confirm(struct xdr_stream *xdr) | |
5171 | { | |
5172 | return decode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM); | |
5173 | } | |
5174 | ||
5175 | static int decode_write(struct xdr_stream *xdr, struct nfs_writeres *res) | |
5176 | { | |
8687b63a | 5177 | __be32 *p; |
1da177e4 LT |
5178 | int status; |
5179 | ||
5180 | status = decode_op_hdr(xdr, OP_WRITE); | |
5181 | if (status) | |
5182 | return status; | |
5183 | ||
2f2c63bc | 5184 | p = xdr_inline_decode(xdr, 8); |
c0eae66e BH |
5185 | if (unlikely(!p)) |
5186 | goto out_overflow; | |
6f723f77 BH |
5187 | res->count = be32_to_cpup(p++); |
5188 | res->verf->committed = be32_to_cpup(p++); | |
2f2c63bc | 5189 | return decode_write_verifier(xdr, &res->verf->verifier); |
c0eae66e BH |
5190 | out_overflow: |
5191 | print_overflow_msg(__func__, xdr); | |
5192 | return -EIO; | |
1da177e4 LT |
5193 | } |
5194 | ||
5195 | static int decode_delegreturn(struct xdr_stream *xdr) | |
5196 | { | |
5197 | return decode_op_hdr(xdr, OP_DELEGRETURN); | |
5198 | } | |
5199 | ||
5a5ea0d4 BS |
5200 | static int decode_secinfo_gss(struct xdr_stream *xdr, struct nfs4_secinfo_flavor *flavor) |
5201 | { | |
5202 | __be32 *p; | |
5203 | ||
5204 | p = xdr_inline_decode(xdr, 4); | |
5205 | if (unlikely(!p)) | |
5206 | goto out_overflow; | |
5207 | flavor->gss.sec_oid4.len = be32_to_cpup(p); | |
5208 | if (flavor->gss.sec_oid4.len > GSS_OID_MAX_LEN) | |
5209 | goto out_err; | |
5210 | ||
5211 | p = xdr_inline_decode(xdr, flavor->gss.sec_oid4.len); | |
5212 | if (unlikely(!p)) | |
5213 | goto out_overflow; | |
5214 | memcpy(flavor->gss.sec_oid4.data, p, flavor->gss.sec_oid4.len); | |
5215 | ||
5216 | p = xdr_inline_decode(xdr, 8); | |
5217 | if (unlikely(!p)) | |
5218 | goto out_overflow; | |
5219 | flavor->gss.qop4 = be32_to_cpup(p++); | |
5220 | flavor->gss.service = be32_to_cpup(p); | |
5221 | ||
5222 | return 0; | |
5223 | ||
5224 | out_overflow: | |
5225 | print_overflow_msg(__func__, xdr); | |
5226 | return -EIO; | |
5227 | out_err: | |
5228 | return -EINVAL; | |
5229 | } | |
5230 | ||
31e4dda4 | 5231 | static int decode_secinfo_common(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
5a5ea0d4 BS |
5232 | { |
5233 | struct nfs4_secinfo_flavor *sec_flavor; | |
5234 | int status; | |
5235 | __be32 *p; | |
c3dfc280 | 5236 | int i, num_flavors; |
5a5ea0d4 | 5237 | |
5a5ea0d4 BS |
5238 | p = xdr_inline_decode(xdr, 4); |
5239 | if (unlikely(!p)) | |
5240 | goto out_overflow; | |
5a5ea0d4 | 5241 | |
c3dfc280 BS |
5242 | res->flavors->num_flavors = 0; |
5243 | num_flavors = be32_to_cpup(p); | |
5244 | ||
5245 | for (i = 0; i < num_flavors; i++) { | |
5a5ea0d4 | 5246 | sec_flavor = &res->flavors->flavors[i]; |
c3dfc280 | 5247 | if ((char *)&sec_flavor[1] - (char *)res->flavors > PAGE_SIZE) |
5a5ea0d4 BS |
5248 | break; |
5249 | ||
5250 | p = xdr_inline_decode(xdr, 4); | |
5251 | if (unlikely(!p)) | |
5252 | goto out_overflow; | |
5253 | sec_flavor->flavor = be32_to_cpup(p); | |
5254 | ||
5255 | if (sec_flavor->flavor == RPC_AUTH_GSS) { | |
613e901e BS |
5256 | status = decode_secinfo_gss(xdr, sec_flavor); |
5257 | if (status) | |
5258 | goto out; | |
5a5ea0d4 | 5259 | } |
c3dfc280 | 5260 | res->flavors->num_flavors++; |
5a5ea0d4 BS |
5261 | } |
5262 | ||
31e4dda4 | 5263 | status = 0; |
613e901e BS |
5264 | out: |
5265 | return status; | |
5a5ea0d4 BS |
5266 | out_overflow: |
5267 | print_overflow_msg(__func__, xdr); | |
5268 | return -EIO; | |
5269 | } | |
5270 | ||
31e4dda4 BS |
5271 | static int decode_secinfo(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
5272 | { | |
5273 | int status = decode_op_hdr(xdr, OP_SECINFO); | |
5274 | if (status) | |
5275 | return status; | |
5276 | return decode_secinfo_common(xdr, res); | |
5277 | } | |
5278 | ||
99fe60d0 | 5279 | #if defined(CONFIG_NFS_V4_1) |
31e4dda4 BS |
5280 | static int decode_secinfo_no_name(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
5281 | { | |
5282 | int status = decode_op_hdr(xdr, OP_SECINFO_NO_NAME); | |
5283 | if (status) | |
5284 | return status; | |
5285 | return decode_secinfo_common(xdr, res); | |
5286 | } | |
5287 | ||
99fe60d0 BH |
5288 | static int decode_exchange_id(struct xdr_stream *xdr, |
5289 | struct nfs41_exchange_id_res *res) | |
5290 | { | |
5291 | __be32 *p; | |
5292 | uint32_t dummy; | |
2460ba57 | 5293 | char *dummy_str; |
99fe60d0 | 5294 | int status; |
7d2ed9ac | 5295 | uint32_t impl_id_count; |
99fe60d0 BH |
5296 | |
5297 | status = decode_op_hdr(xdr, OP_EXCHANGE_ID); | |
5298 | if (status) | |
5299 | return status; | |
5300 | ||
c0eae66e BH |
5301 | p = xdr_inline_decode(xdr, 8); |
5302 | if (unlikely(!p)) | |
5303 | goto out_overflow; | |
32b01310 | 5304 | xdr_decode_hyper(p, &res->clientid); |
c0eae66e BH |
5305 | p = xdr_inline_decode(xdr, 12); |
5306 | if (unlikely(!p)) | |
5307 | goto out_overflow; | |
32b01310 TM |
5308 | res->seqid = be32_to_cpup(p++); |
5309 | res->flags = be32_to_cpup(p++); | |
99fe60d0 BH |
5310 | |
5311 | /* We ask for SP4_NONE */ | |
cccddf4f | 5312 | dummy = be32_to_cpup(p); |
99fe60d0 BH |
5313 | if (dummy != SP4_NONE) |
5314 | return -EIO; | |
5315 | ||
acdeb69d | 5316 | /* server_owner4.so_minor_id */ |
c0eae66e BH |
5317 | p = xdr_inline_decode(xdr, 8); |
5318 | if (unlikely(!p)) | |
5319 | goto out_overflow; | |
acdeb69d | 5320 | p = xdr_decode_hyper(p, &res->server_owner->minor_id); |
99fe60d0 | 5321 | |
acdeb69d | 5322 | /* server_owner4.so_major_id */ |
2460ba57 BH |
5323 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
5324 | if (unlikely(status)) | |
5325 | return status; | |
acdeb69d CL |
5326 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) |
5327 | return -EIO; | |
5328 | memcpy(res->server_owner->major_id, dummy_str, dummy); | |
5329 | res->server_owner->major_id_sz = dummy; | |
99fe60d0 | 5330 | |
acdeb69d | 5331 | /* server_scope4 */ |
2460ba57 BH |
5332 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
5333 | if (unlikely(status)) | |
5334 | return status; | |
78fe0f41 WAA |
5335 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) |
5336 | return -EIO; | |
78fe0f41 WAA |
5337 | memcpy(res->server_scope->server_scope, dummy_str, dummy); |
5338 | res->server_scope->server_scope_sz = dummy; | |
5339 | ||
7d2ed9ac WAA |
5340 | /* Implementation Id */ |
5341 | p = xdr_inline_decode(xdr, 4); | |
5342 | if (unlikely(!p)) | |
5343 | goto out_overflow; | |
5344 | impl_id_count = be32_to_cpup(p++); | |
99fe60d0 | 5345 | |
7d2ed9ac WAA |
5346 | if (impl_id_count) { |
5347 | /* nii_domain */ | |
5348 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); | |
5349 | if (unlikely(status)) | |
5350 | return status; | |
5351 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) | |
5352 | return -EIO; | |
5353 | memcpy(res->impl_id->domain, dummy_str, dummy); | |
5354 | ||
5355 | /* nii_name */ | |
5356 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); | |
5357 | if (unlikely(status)) | |
5358 | return status; | |
5359 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) | |
5360 | return -EIO; | |
5361 | memcpy(res->impl_id->name, dummy_str, dummy); | |
5362 | ||
5363 | /* nii_date */ | |
5364 | p = xdr_inline_decode(xdr, 12); | |
5365 | if (unlikely(!p)) | |
5366 | goto out_overflow; | |
5367 | p = xdr_decode_hyper(p, &res->impl_id->date.seconds); | |
5368 | res->impl_id->date.nseconds = be32_to_cpup(p); | |
5369 | ||
5370 | /* if there's more than one entry, ignore the rest */ | |
5371 | } | |
99fe60d0 | 5372 | return 0; |
c0eae66e BH |
5373 | out_overflow: |
5374 | print_overflow_msg(__func__, xdr); | |
5375 | return -EIO; | |
99fe60d0 | 5376 | } |
fc931582 AA |
5377 | |
5378 | static int decode_chan_attrs(struct xdr_stream *xdr, | |
5379 | struct nfs4_channel_attrs *attrs) | |
5380 | { | |
5381 | __be32 *p; | |
c9c30dd5 | 5382 | u32 nr_attrs, val; |
fc931582 | 5383 | |
c0eae66e BH |
5384 | p = xdr_inline_decode(xdr, 28); |
5385 | if (unlikely(!p)) | |
5386 | goto out_overflow; | |
c9c30dd5 BH |
5387 | val = be32_to_cpup(p++); /* headerpadsz */ |
5388 | if (val) | |
5389 | return -EINVAL; /* no support for header padding yet */ | |
6f723f77 BH |
5390 | attrs->max_rqst_sz = be32_to_cpup(p++); |
5391 | attrs->max_resp_sz = be32_to_cpup(p++); | |
5392 | attrs->max_resp_sz_cached = be32_to_cpup(p++); | |
5393 | attrs->max_ops = be32_to_cpup(p++); | |
5394 | attrs->max_reqs = be32_to_cpup(p++); | |
cccddf4f | 5395 | nr_attrs = be32_to_cpup(p); |
fc931582 | 5396 | if (unlikely(nr_attrs > 1)) { |
a030889a WAA |
5397 | printk(KERN_WARNING "NFS: %s: Invalid rdma channel attrs " |
5398 | "count %u\n", __func__, nr_attrs); | |
fc931582 AA |
5399 | return -EINVAL; |
5400 | } | |
c0eae66e BH |
5401 | if (nr_attrs == 1) { |
5402 | p = xdr_inline_decode(xdr, 4); /* skip rdma_attrs */ | |
5403 | if (unlikely(!p)) | |
5404 | goto out_overflow; | |
5405 | } | |
fc931582 | 5406 | return 0; |
c0eae66e BH |
5407 | out_overflow: |
5408 | print_overflow_msg(__func__, xdr); | |
5409 | return -EIO; | |
fc931582 AA |
5410 | } |
5411 | ||
e78291e4 BH |
5412 | static int decode_sessionid(struct xdr_stream *xdr, struct nfs4_sessionid *sid) |
5413 | { | |
5414 | return decode_opaque_fixed(xdr, sid->data, NFS4_MAX_SESSIONID_LEN); | |
fc931582 AA |
5415 | } |
5416 | ||
7c44f1ae WAA |
5417 | static int decode_bind_conn_to_session(struct xdr_stream *xdr, |
5418 | struct nfs41_bind_conn_to_session_res *res) | |
5419 | { | |
5420 | __be32 *p; | |
5421 | int status; | |
5422 | ||
5423 | status = decode_op_hdr(xdr, OP_BIND_CONN_TO_SESSION); | |
5424 | if (!status) | |
5425 | status = decode_sessionid(xdr, &res->session->sess_id); | |
5426 | if (unlikely(status)) | |
5427 | return status; | |
5428 | ||
5429 | /* dir flags, rdma mode bool */ | |
5430 | p = xdr_inline_decode(xdr, 8); | |
5431 | if (unlikely(!p)) | |
5432 | goto out_overflow; | |
5433 | ||
5434 | res->dir = be32_to_cpup(p++); | |
5435 | if (res->dir == 0 || res->dir > NFS4_CDFS4_BOTH) | |
5436 | return -EIO; | |
5437 | if (be32_to_cpup(p) == 0) | |
5438 | res->use_conn_in_rdma_mode = false; | |
5439 | else | |
5440 | res->use_conn_in_rdma_mode = true; | |
5441 | ||
5442 | return 0; | |
5443 | out_overflow: | |
5444 | print_overflow_msg(__func__, xdr); | |
5445 | return -EIO; | |
5446 | } | |
5447 | ||
fc931582 AA |
5448 | static int decode_create_session(struct xdr_stream *xdr, |
5449 | struct nfs41_create_session_res *res) | |
5450 | { | |
5451 | __be32 *p; | |
5452 | int status; | |
5453 | struct nfs_client *clp = res->client; | |
5454 | struct nfs4_session *session = clp->cl_session; | |
5455 | ||
5456 | status = decode_op_hdr(xdr, OP_CREATE_SESSION); | |
e78291e4 BH |
5457 | if (!status) |
5458 | status = decode_sessionid(xdr, &session->sess_id); | |
5459 | if (unlikely(status)) | |
fc931582 AA |
5460 | return status; |
5461 | ||
fc931582 | 5462 | /* seqid, flags */ |
c0eae66e BH |
5463 | p = xdr_inline_decode(xdr, 8); |
5464 | if (unlikely(!p)) | |
5465 | goto out_overflow; | |
6f723f77 | 5466 | clp->cl_seqid = be32_to_cpup(p++); |
cccddf4f | 5467 | session->flags = be32_to_cpup(p); |
fc931582 AA |
5468 | |
5469 | /* Channel attributes */ | |
5470 | status = decode_chan_attrs(xdr, &session->fc_attrs); | |
5471 | if (!status) | |
5472 | status = decode_chan_attrs(xdr, &session->bc_attrs); | |
5473 | return status; | |
c0eae66e BH |
5474 | out_overflow: |
5475 | print_overflow_msg(__func__, xdr); | |
5476 | return -EIO; | |
fc931582 | 5477 | } |
0f3e66c6 AA |
5478 | |
5479 | static int decode_destroy_session(struct xdr_stream *xdr, void *dummy) | |
5480 | { | |
5481 | return decode_op_hdr(xdr, OP_DESTROY_SESSION); | |
5482 | } | |
18019753 | 5483 | |
66245539 TM |
5484 | static int decode_destroy_clientid(struct xdr_stream *xdr, void *dummy) |
5485 | { | |
5486 | return decode_op_hdr(xdr, OP_DESTROY_CLIENTID); | |
5487 | } | |
5488 | ||
18019753 RL |
5489 | static int decode_reclaim_complete(struct xdr_stream *xdr, void *dummy) |
5490 | { | |
5491 | return decode_op_hdr(xdr, OP_RECLAIM_COMPLETE); | |
5492 | } | |
99fe60d0 BH |
5493 | #endif /* CONFIG_NFS_V4_1 */ |
5494 | ||
9b7b9fcc AA |
5495 | static int decode_sequence(struct xdr_stream *xdr, |
5496 | struct nfs4_sequence_res *res, | |
5497 | struct rpc_rqst *rqstp) | |
5498 | { | |
5499 | #if defined(CONFIG_NFS_V4_1) | |
fc01cea9 AA |
5500 | struct nfs4_sessionid id; |
5501 | u32 dummy; | |
5502 | int status; | |
5503 | __be32 *p; | |
5504 | ||
9b7b9fcc AA |
5505 | if (!res->sr_session) |
5506 | return 0; | |
5507 | ||
fc01cea9 | 5508 | status = decode_op_hdr(xdr, OP_SEQUENCE); |
e78291e4 BH |
5509 | if (!status) |
5510 | status = decode_sessionid(xdr, &id); | |
5511 | if (unlikely(status)) | |
fc01cea9 | 5512 | goto out_err; |
9b7b9fcc | 5513 | |
fc01cea9 AA |
5514 | /* |
5515 | * If the server returns different values for sessionID, slotID or | |
5516 | * sequence number, the server is looney tunes. | |
5517 | */ | |
fdcb4577 | 5518 | status = -EREMOTEIO; |
fc01cea9 | 5519 | |
fc01cea9 AA |
5520 | if (memcmp(id.data, res->sr_session->sess_id.data, |
5521 | NFS4_MAX_SESSIONID_LEN)) { | |
5522 | dprintk("%s Invalid session id\n", __func__); | |
5523 | goto out_err; | |
5524 | } | |
e78291e4 | 5525 | |
c0eae66e BH |
5526 | p = xdr_inline_decode(xdr, 20); |
5527 | if (unlikely(!p)) | |
5528 | goto out_overflow; | |
e78291e4 | 5529 | |
fc01cea9 | 5530 | /* seqid */ |
6f723f77 | 5531 | dummy = be32_to_cpup(p++); |
dfb4f309 | 5532 | if (dummy != res->sr_slot->seq_nr) { |
fc01cea9 AA |
5533 | dprintk("%s Invalid sequence number\n", __func__); |
5534 | goto out_err; | |
5535 | } | |
5536 | /* slot id */ | |
6f723f77 | 5537 | dummy = be32_to_cpup(p++); |
dfb4f309 | 5538 | if (dummy != res->sr_slot - res->sr_session->fc_slot_table.slots) { |
fc01cea9 AA |
5539 | dprintk("%s Invalid slot id\n", __func__); |
5540 | goto out_err; | |
5541 | } | |
5542 | /* highest slot id - currently not processed */ | |
6f723f77 | 5543 | dummy = be32_to_cpup(p++); |
fc01cea9 | 5544 | /* target highest slot id - currently not processed */ |
6f723f77 | 5545 | dummy = be32_to_cpup(p++); |
0629e370 AB |
5546 | /* result flags */ |
5547 | res->sr_status_flags = be32_to_cpup(p); | |
fc01cea9 AA |
5548 | status = 0; |
5549 | out_err: | |
5550 | res->sr_status = status; | |
5551 | return status; | |
c0eae66e BH |
5552 | out_overflow: |
5553 | print_overflow_msg(__func__, xdr); | |
5554 | status = -EIO; | |
5555 | goto out_err; | |
fc01cea9 | 5556 | #else /* CONFIG_NFS_V4_1 */ |
9b7b9fcc | 5557 | return 0; |
fc01cea9 | 5558 | #endif /* CONFIG_NFS_V4_1 */ |
9b7b9fcc AA |
5559 | } |
5560 | ||
b1f69b75 | 5561 | #if defined(CONFIG_NFS_V4_1) |
7f11d8d3 AA |
5562 | /* |
5563 | * TODO: Need to handle case when EOF != true; | |
5564 | */ | |
5565 | static int decode_getdevicelist(struct xdr_stream *xdr, | |
5566 | struct pnfs_devicelist *res) | |
5567 | { | |
5568 | __be32 *p; | |
5569 | int status, i; | |
98d94524 | 5570 | nfs4_verifier verftemp; |
7f11d8d3 AA |
5571 | |
5572 | status = decode_op_hdr(xdr, OP_GETDEVICELIST); | |
5573 | if (status) | |
5574 | return status; | |
5575 | ||
5576 | p = xdr_inline_decode(xdr, 8 + 8 + 4); | |
5577 | if (unlikely(!p)) | |
5578 | goto out_overflow; | |
5579 | ||
5580 | /* TODO: Skip cookie for now */ | |
5581 | p += 2; | |
5582 | ||
5583 | /* Read verifier */ | |
98d94524 | 5584 | p = xdr_decode_opaque_fixed(p, verftemp.data, NFS4_VERIFIER_SIZE); |
7f11d8d3 AA |
5585 | |
5586 | res->num_devs = be32_to_cpup(p); | |
5587 | ||
5588 | dprintk("%s: num_dev %d\n", __func__, res->num_devs); | |
5589 | ||
5590 | if (res->num_devs > NFS4_PNFS_GETDEVLIST_MAXNUM) { | |
a030889a | 5591 | printk(KERN_ERR "NFS: %s too many result dev_num %u\n", |
7f11d8d3 AA |
5592 | __func__, res->num_devs); |
5593 | return -EIO; | |
5594 | } | |
5595 | ||
5596 | p = xdr_inline_decode(xdr, | |
5597 | res->num_devs * NFS4_DEVICEID4_SIZE + 4); | |
5598 | if (unlikely(!p)) | |
5599 | goto out_overflow; | |
5600 | for (i = 0; i < res->num_devs; i++) | |
5601 | p = xdr_decode_opaque_fixed(p, res->dev_id[i].data, | |
5602 | NFS4_DEVICEID4_SIZE); | |
5603 | res->eof = be32_to_cpup(p); | |
5604 | return 0; | |
5605 | out_overflow: | |
5606 | print_overflow_msg(__func__, xdr); | |
5607 | return -EIO; | |
5608 | } | |
b1f69b75 AA |
5609 | |
5610 | static int decode_getdeviceinfo(struct xdr_stream *xdr, | |
5611 | struct pnfs_device *pdev) | |
5612 | { | |
5613 | __be32 *p; | |
5614 | uint32_t len, type; | |
5615 | int status; | |
5616 | ||
5617 | status = decode_op_hdr(xdr, OP_GETDEVICEINFO); | |
5618 | if (status) { | |
5619 | if (status == -ETOOSMALL) { | |
5620 | p = xdr_inline_decode(xdr, 4); | |
5621 | if (unlikely(!p)) | |
5622 | goto out_overflow; | |
5623 | pdev->mincount = be32_to_cpup(p); | |
5624 | dprintk("%s: Min count too small. mincnt = %u\n", | |
5625 | __func__, pdev->mincount); | |
5626 | } | |
5627 | return status; | |
5628 | } | |
5629 | ||
5630 | p = xdr_inline_decode(xdr, 8); | |
5631 | if (unlikely(!p)) | |
5632 | goto out_overflow; | |
5633 | type = be32_to_cpup(p++); | |
5634 | if (type != pdev->layout_type) { | |
5635 | dprintk("%s: layout mismatch req: %u pdev: %u\n", | |
5636 | __func__, pdev->layout_type, type); | |
5637 | return -EINVAL; | |
5638 | } | |
5639 | /* | |
5640 | * Get the length of the opaque device_addr4. xdr_read_pages places | |
5641 | * the opaque device_addr4 in the xdr_buf->pages (pnfs_device->pages) | |
5642 | * and places the remaining xdr data in xdr_buf->tail | |
5643 | */ | |
5644 | pdev->mincount = be32_to_cpup(p); | |
5645 | xdr_read_pages(xdr, pdev->mincount); /* include space for the length */ | |
5646 | ||
5647 | /* Parse notification bitmap, verifying that it is zero. */ | |
5648 | p = xdr_inline_decode(xdr, 4); | |
5649 | if (unlikely(!p)) | |
5650 | goto out_overflow; | |
5651 | len = be32_to_cpup(p); | |
5652 | if (len) { | |
ead00597 | 5653 | uint32_t i; |
b1f69b75 AA |
5654 | |
5655 | p = xdr_inline_decode(xdr, 4 * len); | |
5656 | if (unlikely(!p)) | |
5657 | goto out_overflow; | |
5658 | for (i = 0; i < len; i++, p++) { | |
5659 | if (be32_to_cpup(p)) { | |
5660 | dprintk("%s: notifications not supported\n", | |
5661 | __func__); | |
5662 | return -EIO; | |
5663 | } | |
5664 | } | |
5665 | } | |
5666 | return 0; | |
5667 | out_overflow: | |
5668 | print_overflow_msg(__func__, xdr); | |
5669 | return -EIO; | |
5670 | } | |
5671 | ||
5672 | static int decode_layoutget(struct xdr_stream *xdr, struct rpc_rqst *req, | |
5673 | struct nfs4_layoutget_res *res) | |
5674 | { | |
5675 | __be32 *p; | |
5676 | int status; | |
5677 | u32 layout_count; | |
64bd577e | 5678 | u32 recvd; |
b1f69b75 AA |
5679 | |
5680 | status = decode_op_hdr(xdr, OP_LAYOUTGET); | |
5681 | if (status) | |
5682 | return status; | |
ea9d23f5 TM |
5683 | p = xdr_inline_decode(xdr, 4); |
5684 | if (unlikely(!p)) | |
5685 | goto out_overflow; | |
5686 | res->return_on_close = be32_to_cpup(p); | |
5687 | decode_stateid(xdr, &res->stateid); | |
5688 | p = xdr_inline_decode(xdr, 4); | |
b1f69b75 AA |
5689 | if (unlikely(!p)) |
5690 | goto out_overflow; | |
b1f69b75 AA |
5691 | layout_count = be32_to_cpup(p); |
5692 | if (!layout_count) { | |
5693 | dprintk("%s: server responded with empty layout array\n", | |
5694 | __func__); | |
5695 | return -EINVAL; | |
5696 | } | |
5697 | ||
35124a09 | 5698 | p = xdr_inline_decode(xdr, 28); |
b1f69b75 AA |
5699 | if (unlikely(!p)) |
5700 | goto out_overflow; | |
5701 | p = xdr_decode_hyper(p, &res->range.offset); | |
5702 | p = xdr_decode_hyper(p, &res->range.length); | |
5703 | res->range.iomode = be32_to_cpup(p++); | |
5704 | res->type = be32_to_cpup(p++); | |
35124a09 | 5705 | res->layoutp->len = be32_to_cpup(p); |
b1f69b75 AA |
5706 | |
5707 | dprintk("%s roff:%lu rlen:%lu riomode:%d, lo_type:0x%x, lo.len:%d\n", | |
5708 | __func__, | |
5709 | (unsigned long)res->range.offset, | |
5710 | (unsigned long)res->range.length, | |
5711 | res->range.iomode, | |
5712 | res->type, | |
35124a09 WAA |
5713 | res->layoutp->len); |
5714 | ||
64bd577e | 5715 | recvd = xdr_read_pages(xdr, res->layoutp->len); |
35124a09 WAA |
5716 | if (res->layoutp->len > recvd) { |
5717 | dprintk("NFS: server cheating in layoutget reply: " | |
5718 | "layout len %u > recvd %u\n", | |
5719 | res->layoutp->len, recvd); | |
5720 | return -EINVAL; | |
5721 | } | |
b1f69b75 | 5722 | |
b1f69b75 AA |
5723 | if (layout_count > 1) { |
5724 | /* We only handle a length one array at the moment. Any | |
5725 | * further entries are just ignored. Note that this means | |
5726 | * the client may see a response that is less than the | |
5727 | * minimum it requested. | |
5728 | */ | |
5729 | dprintk("%s: server responded with %d layouts, dropping tail\n", | |
5730 | __func__, layout_count); | |
5731 | } | |
5732 | ||
5733 | return 0; | |
5734 | out_overflow: | |
5735 | print_overflow_msg(__func__, xdr); | |
5736 | return -EIO; | |
5737 | } | |
863a3c6c | 5738 | |
cbe82603 BH |
5739 | static int decode_layoutreturn(struct xdr_stream *xdr, |
5740 | struct nfs4_layoutreturn_res *res) | |
5741 | { | |
5742 | __be32 *p; | |
5743 | int status; | |
5744 | ||
5745 | status = decode_op_hdr(xdr, OP_LAYOUTRETURN); | |
5746 | if (status) | |
5747 | return status; | |
5748 | p = xdr_inline_decode(xdr, 4); | |
5749 | if (unlikely(!p)) | |
5750 | goto out_overflow; | |
5751 | res->lrs_present = be32_to_cpup(p); | |
5752 | if (res->lrs_present) | |
5753 | status = decode_stateid(xdr, &res->stateid); | |
5754 | return status; | |
5755 | out_overflow: | |
5756 | print_overflow_msg(__func__, xdr); | |
5757 | return -EIO; | |
5758 | } | |
5759 | ||
863a3c6c AA |
5760 | static int decode_layoutcommit(struct xdr_stream *xdr, |
5761 | struct rpc_rqst *req, | |
5762 | struct nfs4_layoutcommit_res *res) | |
5763 | { | |
5764 | __be32 *p; | |
5765 | __u32 sizechanged; | |
5766 | int status; | |
5767 | ||
5768 | status = decode_op_hdr(xdr, OP_LAYOUTCOMMIT); | |
db29c089 | 5769 | res->status = status; |
863a3c6c AA |
5770 | if (status) |
5771 | return status; | |
5772 | ||
5773 | p = xdr_inline_decode(xdr, 4); | |
5774 | if (unlikely(!p)) | |
5775 | goto out_overflow; | |
5776 | sizechanged = be32_to_cpup(p); | |
5777 | ||
5778 | if (sizechanged) { | |
5779 | /* throw away new size */ | |
5780 | p = xdr_inline_decode(xdr, 8); | |
5781 | if (unlikely(!p)) | |
5782 | goto out_overflow; | |
5783 | } | |
5784 | return 0; | |
5785 | out_overflow: | |
5786 | print_overflow_msg(__func__, xdr); | |
5787 | return -EIO; | |
5788 | } | |
7d974794 BS |
5789 | |
5790 | static int decode_test_stateid(struct xdr_stream *xdr, | |
5791 | struct nfs41_test_stateid_res *res) | |
5792 | { | |
5793 | __be32 *p; | |
5794 | int status; | |
5795 | int num_res; | |
5796 | ||
5797 | status = decode_op_hdr(xdr, OP_TEST_STATEID); | |
5798 | if (status) | |
5799 | return status; | |
5800 | ||
5801 | p = xdr_inline_decode(xdr, 4); | |
5802 | if (unlikely(!p)) | |
5803 | goto out_overflow; | |
5804 | num_res = be32_to_cpup(p++); | |
5805 | if (num_res != 1) | |
5806 | goto out; | |
5807 | ||
5808 | p = xdr_inline_decode(xdr, 4); | |
5809 | if (unlikely(!p)) | |
5810 | goto out_overflow; | |
5811 | res->status = be32_to_cpup(p++); | |
1cab0652 BS |
5812 | |
5813 | return status; | |
7d974794 BS |
5814 | out_overflow: |
5815 | print_overflow_msg(__func__, xdr); | |
5816 | out: | |
5817 | return -EIO; | |
5818 | } | |
9aeda35f BS |
5819 | |
5820 | static int decode_free_stateid(struct xdr_stream *xdr, | |
5821 | struct nfs41_free_stateid_res *res) | |
5822 | { | |
5823 | __be32 *p; | |
5824 | int status; | |
5825 | ||
5826 | status = decode_op_hdr(xdr, OP_FREE_STATEID); | |
5827 | if (status) | |
5828 | return status; | |
5829 | ||
5830 | p = xdr_inline_decode(xdr, 4); | |
5831 | if (unlikely(!p)) | |
5832 | goto out_overflow; | |
5833 | res->status = be32_to_cpup(p++); | |
5834 | return res->status; | |
5835 | out_overflow: | |
5836 | print_overflow_msg(__func__, xdr); | |
5837 | return -EIO; | |
5838 | } | |
b1f69b75 AA |
5839 | #endif /* CONFIG_NFS_V4_1 */ |
5840 | ||
49c2559e BH |
5841 | /* |
5842 | * END OF "GENERIC" DECODE ROUTINES. | |
5843 | */ | |
5844 | ||
1da177e4 LT |
5845 | /* |
5846 | * Decode OPEN_DOWNGRADE response | |
5847 | */ | |
bf269551 CL |
5848 | static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst *rqstp, |
5849 | struct xdr_stream *xdr, | |
5850 | struct nfs_closeres *res) | |
1da177e4 | 5851 | { |
05d564fe AA |
5852 | struct compound_hdr hdr; |
5853 | int status; | |
5854 | ||
bf269551 | 5855 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5856 | if (status) |
5857 | goto out; | |
bf269551 | 5858 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
5859 | if (status) |
5860 | goto out; | |
bf269551 | 5861 | status = decode_putfh(xdr); |
05d564fe AA |
5862 | if (status) |
5863 | goto out; | |
bf269551 | 5864 | status = decode_open_downgrade(xdr, res); |
516a6af6 TM |
5865 | if (status != 0) |
5866 | goto out; | |
6926afd1 | 5867 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 | 5868 | out: |
05d564fe | 5869 | return status; |
1da177e4 LT |
5870 | } |
5871 | ||
1da177e4 LT |
5872 | /* |
5873 | * Decode ACCESS response | |
5874 | */ | |
bf269551 CL |
5875 | static int nfs4_xdr_dec_access(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5876 | struct nfs4_accessres *res) | |
1da177e4 | 5877 | { |
1da177e4 LT |
5878 | struct compound_hdr hdr; |
5879 | int status; | |
6c0195a4 | 5880 | |
bf269551 | 5881 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5882 | if (status) |
5883 | goto out; | |
bf269551 | 5884 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5885 | if (status) |
1da177e4 | 5886 | goto out; |
bf269551 | 5887 | status = decode_putfh(xdr); |
76b32999 TM |
5888 | if (status != 0) |
5889 | goto out; | |
bf269551 | 5890 | status = decode_access(xdr, res); |
76b32999 TM |
5891 | if (status != 0) |
5892 | goto out; | |
6926afd1 | 5893 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
5894 | out: |
5895 | return status; | |
5896 | } | |
5897 | ||
5898 | /* | |
5899 | * Decode LOOKUP response | |
5900 | */ | |
bf269551 CL |
5901 | static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5902 | struct nfs4_lookup_res *res) | |
1da177e4 | 5903 | { |
1da177e4 LT |
5904 | struct compound_hdr hdr; |
5905 | int status; | |
6c0195a4 | 5906 | |
bf269551 | 5907 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5908 | if (status) |
5909 | goto out; | |
bf269551 | 5910 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5911 | if (status) |
1da177e4 | 5912 | goto out; |
bf269551 CL |
5913 | status = decode_putfh(xdr); |
5914 | if (status) | |
1da177e4 | 5915 | goto out; |
bf269551 CL |
5916 | status = decode_lookup(xdr); |
5917 | if (status) | |
1da177e4 | 5918 | goto out; |
bf269551 CL |
5919 | status = decode_getfh(xdr, res->fh); |
5920 | if (status) | |
1da177e4 | 5921 | goto out; |
6926afd1 | 5922 | status = decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
5923 | out: |
5924 | return status; | |
5925 | } | |
5926 | ||
5927 | /* | |
5928 | * Decode LOOKUP_ROOT response | |
5929 | */ | |
bf269551 CL |
5930 | static int nfs4_xdr_dec_lookup_root(struct rpc_rqst *rqstp, |
5931 | struct xdr_stream *xdr, | |
5932 | struct nfs4_lookup_res *res) | |
1da177e4 | 5933 | { |
1da177e4 LT |
5934 | struct compound_hdr hdr; |
5935 | int status; | |
6c0195a4 | 5936 | |
bf269551 | 5937 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5938 | if (status) |
5939 | goto out; | |
bf269551 | 5940 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5941 | if (status) |
1da177e4 | 5942 | goto out; |
bf269551 CL |
5943 | status = decode_putrootfh(xdr); |
5944 | if (status) | |
1da177e4 | 5945 | goto out; |
bf269551 CL |
5946 | status = decode_getfh(xdr, res->fh); |
5947 | if (status == 0) | |
6926afd1 | 5948 | status = decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
5949 | out: |
5950 | return status; | |
5951 | } | |
5952 | ||
5953 | /* | |
5954 | * Decode REMOVE response | |
5955 | */ | |
bf269551 CL |
5956 | static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5957 | struct nfs_removeres *res) | |
1da177e4 | 5958 | { |
1da177e4 LT |
5959 | struct compound_hdr hdr; |
5960 | int status; | |
6c0195a4 | 5961 | |
bf269551 | 5962 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5963 | if (status) |
5964 | goto out; | |
bf269551 | 5965 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5966 | if (status) |
1da177e4 | 5967 | goto out; |
bf269551 CL |
5968 | status = decode_putfh(xdr); |
5969 | if (status) | |
16e42959 | 5970 | goto out; |
bf269551 | 5971 | status = decode_remove(xdr, &res->cinfo); |
1da177e4 LT |
5972 | out: |
5973 | return status; | |
5974 | } | |
5975 | ||
5976 | /* | |
5977 | * Decode RENAME response | |
5978 | */ | |
bf269551 CL |
5979 | static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5980 | struct nfs_renameres *res) | |
1da177e4 | 5981 | { |
1da177e4 LT |
5982 | struct compound_hdr hdr; |
5983 | int status; | |
6c0195a4 | 5984 | |
bf269551 | 5985 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5986 | if (status) |
5987 | goto out; | |
bf269551 | 5988 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5989 | if (status) |
1da177e4 | 5990 | goto out; |
bf269551 CL |
5991 | status = decode_putfh(xdr); |
5992 | if (status) | |
1da177e4 | 5993 | goto out; |
bf269551 CL |
5994 | status = decode_savefh(xdr); |
5995 | if (status) | |
1da177e4 | 5996 | goto out; |
bf269551 CL |
5997 | status = decode_putfh(xdr); |
5998 | if (status) | |
1da177e4 | 5999 | goto out; |
bf269551 | 6000 | status = decode_rename(xdr, &res->old_cinfo, &res->new_cinfo); |
1da177e4 LT |
6001 | out: |
6002 | return status; | |
6003 | } | |
6004 | ||
6005 | /* | |
6006 | * Decode LINK response | |
6007 | */ | |
bf269551 CL |
6008 | static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6009 | struct nfs4_link_res *res) | |
1da177e4 | 6010 | { |
1da177e4 LT |
6011 | struct compound_hdr hdr; |
6012 | int status; | |
6c0195a4 | 6013 | |
bf269551 | 6014 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6015 | if (status) |
6016 | goto out; | |
bf269551 | 6017 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6018 | if (status) |
1da177e4 | 6019 | goto out; |
bf269551 CL |
6020 | status = decode_putfh(xdr); |
6021 | if (status) | |
1da177e4 | 6022 | goto out; |
bf269551 CL |
6023 | status = decode_savefh(xdr); |
6024 | if (status) | |
1da177e4 | 6025 | goto out; |
bf269551 CL |
6026 | status = decode_putfh(xdr); |
6027 | if (status) | |
1da177e4 | 6028 | goto out; |
bf269551 CL |
6029 | status = decode_link(xdr, &res->cinfo); |
6030 | if (status) | |
91ba2eee TM |
6031 | goto out; |
6032 | /* | |
6033 | * Note order: OP_LINK leaves the directory as the current | |
6034 | * filehandle. | |
6035 | */ | |
bf269551 CL |
6036 | status = decode_restorefh(xdr); |
6037 | if (status) | |
91ba2eee | 6038 | goto out; |
6926afd1 | 6039 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6040 | out: |
6041 | return status; | |
6042 | } | |
6043 | ||
6044 | /* | |
6045 | * Decode CREATE response | |
6046 | */ | |
bf269551 CL |
6047 | static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6048 | struct nfs4_create_res *res) | |
1da177e4 | 6049 | { |
1da177e4 LT |
6050 | struct compound_hdr hdr; |
6051 | int status; | |
6c0195a4 | 6052 | |
bf269551 | 6053 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6054 | if (status) |
6055 | goto out; | |
bf269551 | 6056 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6057 | if (status) |
1da177e4 | 6058 | goto out; |
bf269551 | 6059 | status = decode_putfh(xdr); |
bf269551 | 6060 | if (status) |
56ae19f3 | 6061 | goto out; |
bf269551 CL |
6062 | status = decode_create(xdr, &res->dir_cinfo); |
6063 | if (status) | |
1da177e4 | 6064 | goto out; |
bf269551 CL |
6065 | status = decode_getfh(xdr, res->fh); |
6066 | if (status) | |
1da177e4 | 6067 | goto out; |
7c317fcf | 6068 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6069 | out: |
6070 | return status; | |
6071 | } | |
6072 | ||
6073 | /* | |
6074 | * Decode SYMLINK response | |
6075 | */ | |
bf269551 CL |
6076 | static int nfs4_xdr_dec_symlink(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6077 | struct nfs4_create_res *res) | |
1da177e4 | 6078 | { |
bf269551 | 6079 | return nfs4_xdr_dec_create(rqstp, xdr, res); |
1da177e4 LT |
6080 | } |
6081 | ||
6082 | /* | |
6083 | * Decode GETATTR response | |
6084 | */ | |
bf269551 CL |
6085 | static int nfs4_xdr_dec_getattr(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6086 | struct nfs4_getattr_res *res) | |
1da177e4 | 6087 | { |
1da177e4 LT |
6088 | struct compound_hdr hdr; |
6089 | int status; | |
6c0195a4 | 6090 | |
bf269551 | 6091 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6092 | if (status) |
6093 | goto out; | |
bf269551 | 6094 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6095 | if (status) |
6096 | goto out; | |
bf269551 | 6097 | status = decode_putfh(xdr); |
1da177e4 LT |
6098 | if (status) |
6099 | goto out; | |
6926afd1 | 6100 | status = decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6101 | out: |
6102 | return status; | |
1da177e4 LT |
6103 | } |
6104 | ||
23ec6965 BF |
6105 | /* |
6106 | * Encode an SETACL request | |
6107 | */ | |
9f06c719 CL |
6108 | static void nfs4_xdr_enc_setacl(struct rpc_rqst *req, struct xdr_stream *xdr, |
6109 | struct nfs_setaclargs *args) | |
23ec6965 | 6110 | { |
05d564fe | 6111 | struct compound_hdr hdr = { |
66cc0429 | 6112 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 6113 | }; |
05d564fe | 6114 | |
9f06c719 CL |
6115 | encode_compound_hdr(xdr, req, &hdr); |
6116 | encode_sequence(xdr, &args->seq_args, &hdr); | |
6117 | encode_putfh(xdr, args->fh, &hdr); | |
6118 | encode_setacl(xdr, args, &hdr); | |
d017931c | 6119 | encode_nops(&hdr); |
23ec6965 | 6120 | } |
05d564fe | 6121 | |
23ec6965 BF |
6122 | /* |
6123 | * Decode SETACL response | |
6124 | */ | |
6125 | static int | |
bf269551 | 6126 | nfs4_xdr_dec_setacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
73c403a9 | 6127 | struct nfs_setaclres *res) |
23ec6965 | 6128 | { |
23ec6965 BF |
6129 | struct compound_hdr hdr; |
6130 | int status; | |
6131 | ||
bf269551 | 6132 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6133 | if (status) |
6134 | goto out; | |
bf269551 | 6135 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
23ec6965 BF |
6136 | if (status) |
6137 | goto out; | |
bf269551 | 6138 | status = decode_putfh(xdr); |
23ec6965 BF |
6139 | if (status) |
6140 | goto out; | |
bf269551 | 6141 | status = decode_setattr(xdr); |
23ec6965 BF |
6142 | out: |
6143 | return status; | |
6144 | } | |
1da177e4 | 6145 | |
029d105e BF |
6146 | /* |
6147 | * Decode GETACL response | |
6148 | */ | |
6149 | static int | |
bf269551 | 6150 | nfs4_xdr_dec_getacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
663c79b3 | 6151 | struct nfs_getaclres *res) |
029d105e | 6152 | { |
029d105e BF |
6153 | struct compound_hdr hdr; |
6154 | int status; | |
6155 | ||
331818f1 TM |
6156 | if (res->acl_scratch != NULL) { |
6157 | void *p = page_address(res->acl_scratch); | |
6158 | xdr_set_scratch_buffer(xdr, p, PAGE_SIZE); | |
6159 | } | |
bf269551 | 6160 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6161 | if (status) |
6162 | goto out; | |
bf269551 | 6163 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
029d105e BF |
6164 | if (status) |
6165 | goto out; | |
bf269551 | 6166 | status = decode_putfh(xdr); |
029d105e BF |
6167 | if (status) |
6168 | goto out; | |
bf118a34 | 6169 | status = decode_getacl(xdr, rqstp, res); |
029d105e BF |
6170 | |
6171 | out: | |
6172 | return status; | |
6173 | } | |
6174 | ||
1da177e4 LT |
6175 | /* |
6176 | * Decode CLOSE response | |
6177 | */ | |
bf269551 CL |
6178 | static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6179 | struct nfs_closeres *res) | |
1da177e4 | 6180 | { |
05d564fe AA |
6181 | struct compound_hdr hdr; |
6182 | int status; | |
6183 | ||
bf269551 | 6184 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6185 | if (status) |
6186 | goto out; | |
bf269551 | 6187 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6188 | if (status) |
6189 | goto out; | |
bf269551 | 6190 | status = decode_putfh(xdr); |
05d564fe AA |
6191 | if (status) |
6192 | goto out; | |
bf269551 | 6193 | status = decode_close(xdr, res); |
516a6af6 TM |
6194 | if (status != 0) |
6195 | goto out; | |
6196 | /* | |
6197 | * Note: Server may do delete on close for this file | |
6198 | * in which case the getattr call will fail with | |
6199 | * an ESTALE error. Shouldn't be a problem, | |
6200 | * though, since fattr->valid will remain unset. | |
6201 | */ | |
6926afd1 | 6202 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 | 6203 | out: |
05d564fe | 6204 | return status; |
1da177e4 LT |
6205 | } |
6206 | ||
6207 | /* | |
6208 | * Decode OPEN response | |
6209 | */ | |
bf269551 CL |
6210 | static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6211 | struct nfs_openres *res) | |
1da177e4 | 6212 | { |
05d564fe AA |
6213 | struct compound_hdr hdr; |
6214 | int status; | |
6215 | ||
bf269551 | 6216 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6217 | if (status) |
6218 | goto out; | |
bf269551 | 6219 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6220 | if (status) |
6221 | goto out; | |
bf269551 | 6222 | status = decode_putfh(xdr); |
05d564fe AA |
6223 | if (status) |
6224 | goto out; | |
bf269551 | 6225 | status = decode_open(xdr, res); |
56ae19f3 TM |
6226 | if (status) |
6227 | goto out; | |
01913b49 WAA |
6228 | status = decode_getfh(xdr, &res->fh); |
6229 | if (status) | |
1da177e4 | 6230 | goto out; |
90ff0c54 | 6231 | decode_getfattr(xdr, res->f_attr, res->server); |
1da177e4 | 6232 | out: |
05d564fe | 6233 | return status; |
1da177e4 LT |
6234 | } |
6235 | ||
6236 | /* | |
6237 | * Decode OPEN_CONFIRM response | |
6238 | */ | |
bf269551 CL |
6239 | static int nfs4_xdr_dec_open_confirm(struct rpc_rqst *rqstp, |
6240 | struct xdr_stream *xdr, | |
6241 | struct nfs_open_confirmres *res) | |
1da177e4 | 6242 | { |
05d564fe AA |
6243 | struct compound_hdr hdr; |
6244 | int status; | |
6245 | ||
bf269551 | 6246 | status = decode_compound_hdr(xdr, &hdr); |
05d564fe AA |
6247 | if (status) |
6248 | goto out; | |
bf269551 | 6249 | status = decode_putfh(xdr); |
05d564fe AA |
6250 | if (status) |
6251 | goto out; | |
bf269551 | 6252 | status = decode_open_confirm(xdr, res); |
1da177e4 | 6253 | out: |
05d564fe | 6254 | return status; |
1da177e4 LT |
6255 | } |
6256 | ||
6257 | /* | |
6258 | * Decode OPEN response | |
6259 | */ | |
bf269551 CL |
6260 | static int nfs4_xdr_dec_open_noattr(struct rpc_rqst *rqstp, |
6261 | struct xdr_stream *xdr, | |
6262 | struct nfs_openres *res) | |
1da177e4 | 6263 | { |
05d564fe AA |
6264 | struct compound_hdr hdr; |
6265 | int status; | |
6266 | ||
bf269551 | 6267 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6268 | if (status) |
6269 | goto out; | |
bf269551 | 6270 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6271 | if (status) |
6272 | goto out; | |
bf269551 | 6273 | status = decode_putfh(xdr); |
05d564fe AA |
6274 | if (status) |
6275 | goto out; | |
bf269551 | 6276 | status = decode_open(xdr, res); |
05d564fe AA |
6277 | if (status) |
6278 | goto out; | |
6926afd1 | 6279 | decode_getfattr(xdr, res->f_attr, res->server); |
1da177e4 | 6280 | out: |
05d564fe | 6281 | return status; |
1da177e4 LT |
6282 | } |
6283 | ||
6284 | /* | |
6285 | * Decode SETATTR response | |
6286 | */ | |
bf269551 CL |
6287 | static int nfs4_xdr_dec_setattr(struct rpc_rqst *rqstp, |
6288 | struct xdr_stream *xdr, | |
6289 | struct nfs_setattrres *res) | |
1da177e4 | 6290 | { |
05d564fe AA |
6291 | struct compound_hdr hdr; |
6292 | int status; | |
6293 | ||
bf269551 | 6294 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6295 | if (status) |
6296 | goto out; | |
bf269551 | 6297 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6298 | if (status) |
6299 | goto out; | |
bf269551 | 6300 | status = decode_putfh(xdr); |
05d564fe AA |
6301 | if (status) |
6302 | goto out; | |
bf269551 | 6303 | status = decode_setattr(xdr); |
05d564fe AA |
6304 | if (status) |
6305 | goto out; | |
6926afd1 | 6306 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 | 6307 | out: |
05d564fe | 6308 | return status; |
1da177e4 LT |
6309 | } |
6310 | ||
6311 | /* | |
6312 | * Decode LOCK response | |
6313 | */ | |
bf269551 CL |
6314 | static int nfs4_xdr_dec_lock(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6315 | struct nfs_lock_res *res) | |
1da177e4 | 6316 | { |
1da177e4 LT |
6317 | struct compound_hdr hdr; |
6318 | int status; | |
6319 | ||
bf269551 | 6320 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6321 | if (status) |
6322 | goto out; | |
bf269551 | 6323 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6324 | if (status) |
6325 | goto out; | |
bf269551 | 6326 | status = decode_putfh(xdr); |
1da177e4 LT |
6327 | if (status) |
6328 | goto out; | |
bf269551 | 6329 | status = decode_lock(xdr, res); |
1da177e4 LT |
6330 | out: |
6331 | return status; | |
6332 | } | |
6333 | ||
6334 | /* | |
6335 | * Decode LOCKT response | |
6336 | */ | |
bf269551 CL |
6337 | static int nfs4_xdr_dec_lockt(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6338 | struct nfs_lockt_res *res) | |
1da177e4 | 6339 | { |
1da177e4 LT |
6340 | struct compound_hdr hdr; |
6341 | int status; | |
6342 | ||
bf269551 | 6343 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6344 | if (status) |
6345 | goto out; | |
bf269551 | 6346 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6347 | if (status) |
6348 | goto out; | |
bf269551 | 6349 | status = decode_putfh(xdr); |
1da177e4 LT |
6350 | if (status) |
6351 | goto out; | |
bf269551 | 6352 | status = decode_lockt(xdr, res); |
1da177e4 LT |
6353 | out: |
6354 | return status; | |
6355 | } | |
6356 | ||
6357 | /* | |
6358 | * Decode LOCKU response | |
6359 | */ | |
bf269551 CL |
6360 | static int nfs4_xdr_dec_locku(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6361 | struct nfs_locku_res *res) | |
1da177e4 | 6362 | { |
1da177e4 LT |
6363 | struct compound_hdr hdr; |
6364 | int status; | |
6365 | ||
bf269551 | 6366 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6367 | if (status) |
6368 | goto out; | |
bf269551 | 6369 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6370 | if (status) |
6371 | goto out; | |
bf269551 | 6372 | status = decode_putfh(xdr); |
1da177e4 LT |
6373 | if (status) |
6374 | goto out; | |
bf269551 | 6375 | status = decode_locku(xdr, res); |
1da177e4 LT |
6376 | out: |
6377 | return status; | |
6378 | } | |
6379 | ||
bf269551 CL |
6380 | static int nfs4_xdr_dec_release_lockowner(struct rpc_rqst *rqstp, |
6381 | struct xdr_stream *xdr, void *dummy) | |
d3c7b7cc | 6382 | { |
d3c7b7cc TM |
6383 | struct compound_hdr hdr; |
6384 | int status; | |
6385 | ||
bf269551 | 6386 | status = decode_compound_hdr(xdr, &hdr); |
d3c7b7cc | 6387 | if (!status) |
bf269551 | 6388 | status = decode_release_lockowner(xdr); |
d3c7b7cc TM |
6389 | return status; |
6390 | } | |
6391 | ||
1da177e4 LT |
6392 | /* |
6393 | * Decode READLINK response | |
6394 | */ | |
bf269551 CL |
6395 | static int nfs4_xdr_dec_readlink(struct rpc_rqst *rqstp, |
6396 | struct xdr_stream *xdr, | |
f50c7000 | 6397 | struct nfs4_readlink_res *res) |
1da177e4 | 6398 | { |
1da177e4 LT |
6399 | struct compound_hdr hdr; |
6400 | int status; | |
6401 | ||
bf269551 | 6402 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6403 | if (status) |
6404 | goto out; | |
bf269551 | 6405 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6406 | if (status) |
6407 | goto out; | |
bf269551 | 6408 | status = decode_putfh(xdr); |
1da177e4 LT |
6409 | if (status) |
6410 | goto out; | |
bf269551 | 6411 | status = decode_readlink(xdr, rqstp); |
1da177e4 LT |
6412 | out: |
6413 | return status; | |
6414 | } | |
6415 | ||
6416 | /* | |
6417 | * Decode READDIR response | |
6418 | */ | |
bf269551 CL |
6419 | static int nfs4_xdr_dec_readdir(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6420 | struct nfs4_readdir_res *res) | |
1da177e4 | 6421 | { |
1da177e4 LT |
6422 | struct compound_hdr hdr; |
6423 | int status; | |
6424 | ||
bf269551 | 6425 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6426 | if (status) |
6427 | goto out; | |
bf269551 | 6428 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6429 | if (status) |
6430 | goto out; | |
bf269551 | 6431 | status = decode_putfh(xdr); |
1da177e4 LT |
6432 | if (status) |
6433 | goto out; | |
bf269551 | 6434 | status = decode_readdir(xdr, rqstp, res); |
1da177e4 LT |
6435 | out: |
6436 | return status; | |
6437 | } | |
6438 | ||
6439 | /* | |
6440 | * Decode Read response | |
6441 | */ | |
bf269551 CL |
6442 | static int nfs4_xdr_dec_read(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6443 | struct nfs_readres *res) | |
1da177e4 | 6444 | { |
1da177e4 LT |
6445 | struct compound_hdr hdr; |
6446 | int status; | |
6447 | ||
bf269551 | 6448 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6449 | if (status) |
6450 | goto out; | |
bf269551 | 6451 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6452 | if (status) |
6453 | goto out; | |
bf269551 | 6454 | status = decode_putfh(xdr); |
1da177e4 LT |
6455 | if (status) |
6456 | goto out; | |
bf269551 | 6457 | status = decode_read(xdr, rqstp, res); |
1da177e4 LT |
6458 | if (!status) |
6459 | status = res->count; | |
6460 | out: | |
6461 | return status; | |
6462 | } | |
6463 | ||
6464 | /* | |
6465 | * Decode WRITE response | |
6466 | */ | |
bf269551 CL |
6467 | static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6468 | struct nfs_writeres *res) | |
1da177e4 | 6469 | { |
1da177e4 LT |
6470 | struct compound_hdr hdr; |
6471 | int status; | |
6472 | ||
bf269551 | 6473 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6474 | if (status) |
6475 | goto out; | |
bf269551 | 6476 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6477 | if (status) |
6478 | goto out; | |
bf269551 | 6479 | status = decode_putfh(xdr); |
1da177e4 LT |
6480 | if (status) |
6481 | goto out; | |
bf269551 | 6482 | status = decode_write(xdr, res); |
4f9838c7 TM |
6483 | if (status) |
6484 | goto out; | |
7ffd1064 | 6485 | if (res->fattr) |
6926afd1 | 6486 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6487 | if (!status) |
6488 | status = res->count; | |
6489 | out: | |
6490 | return status; | |
6491 | } | |
6492 | ||
6493 | /* | |
6494 | * Decode COMMIT response | |
6495 | */ | |
bf269551 | 6496 | static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
0b7c0153 | 6497 | struct nfs_commitres *res) |
1da177e4 | 6498 | { |
1da177e4 LT |
6499 | struct compound_hdr hdr; |
6500 | int status; | |
6501 | ||
bf269551 | 6502 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6503 | if (status) |
6504 | goto out; | |
bf269551 | 6505 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6506 | if (status) |
6507 | goto out; | |
bf269551 | 6508 | status = decode_putfh(xdr); |
1da177e4 LT |
6509 | if (status) |
6510 | goto out; | |
bf269551 | 6511 | status = decode_commit(xdr, res); |
1da177e4 LT |
6512 | out: |
6513 | return status; | |
6514 | } | |
6515 | ||
6516 | /* | |
8b173218 | 6517 | * Decode FSINFO response |
1da177e4 | 6518 | */ |
bf269551 | 6519 | static int nfs4_xdr_dec_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, |
3dda5e43 | 6520 | struct nfs4_fsinfo_res *res) |
1da177e4 | 6521 | { |
1da177e4 LT |
6522 | struct compound_hdr hdr; |
6523 | int status; | |
6524 | ||
bf269551 | 6525 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6526 | if (!status) |
bf269551 | 6527 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6528 | if (!status) |
bf269551 | 6529 | status = decode_putfh(xdr); |
1da177e4 | 6530 | if (!status) |
bf269551 | 6531 | status = decode_fsinfo(xdr, res->fsinfo); |
1da177e4 LT |
6532 | return status; |
6533 | } | |
6534 | ||
6535 | /* | |
8b173218 | 6536 | * Decode PATHCONF response |
1da177e4 | 6537 | */ |
bf269551 | 6538 | static int nfs4_xdr_dec_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, |
d45b2989 | 6539 | struct nfs4_pathconf_res *res) |
1da177e4 | 6540 | { |
1da177e4 LT |
6541 | struct compound_hdr hdr; |
6542 | int status; | |
6543 | ||
bf269551 | 6544 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6545 | if (!status) |
bf269551 | 6546 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6547 | if (!status) |
bf269551 | 6548 | status = decode_putfh(xdr); |
1da177e4 | 6549 | if (!status) |
bf269551 | 6550 | status = decode_pathconf(xdr, res->pathconf); |
1da177e4 LT |
6551 | return status; |
6552 | } | |
6553 | ||
6554 | /* | |
8b173218 | 6555 | * Decode STATFS response |
1da177e4 | 6556 | */ |
bf269551 | 6557 | static int nfs4_xdr_dec_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, |
24ad148a | 6558 | struct nfs4_statfs_res *res) |
1da177e4 | 6559 | { |
1da177e4 LT |
6560 | struct compound_hdr hdr; |
6561 | int status; | |
6562 | ||
bf269551 | 6563 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6564 | if (!status) |
bf269551 | 6565 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6566 | if (!status) |
bf269551 | 6567 | status = decode_putfh(xdr); |
1da177e4 | 6568 | if (!status) |
bf269551 | 6569 | status = decode_statfs(xdr, res->fsstat); |
1da177e4 LT |
6570 | return status; |
6571 | } | |
6572 | ||
6573 | /* | |
8b173218 | 6574 | * Decode GETATTR_BITMAP response |
1da177e4 | 6575 | */ |
bf269551 CL |
6576 | static int nfs4_xdr_dec_server_caps(struct rpc_rqst *req, |
6577 | struct xdr_stream *xdr, | |
6578 | struct nfs4_server_caps_res *res) | |
1da177e4 | 6579 | { |
1da177e4 LT |
6580 | struct compound_hdr hdr; |
6581 | int status; | |
6582 | ||
bf269551 | 6583 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6584 | if (status) |
6585 | goto out; | |
bf269551 | 6586 | status = decode_sequence(xdr, &res->seq_res, req); |
9b7b9fcc | 6587 | if (status) |
1da177e4 | 6588 | goto out; |
bf269551 CL |
6589 | status = decode_putfh(xdr); |
6590 | if (status) | |
1da177e4 | 6591 | goto out; |
bf269551 | 6592 | status = decode_server_caps(xdr, res); |
1da177e4 LT |
6593 | out: |
6594 | return status; | |
6595 | } | |
6596 | ||
6597 | /* | |
6598 | * Decode RENEW response | |
6599 | */ | |
bf269551 CL |
6600 | static int nfs4_xdr_dec_renew(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6601 | void *__unused) | |
1da177e4 | 6602 | { |
1da177e4 LT |
6603 | struct compound_hdr hdr; |
6604 | int status; | |
6605 | ||
bf269551 | 6606 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6607 | if (!status) |
bf269551 | 6608 | status = decode_renew(xdr); |
1da177e4 LT |
6609 | return status; |
6610 | } | |
6611 | ||
6612 | /* | |
8b173218 | 6613 | * Decode SETCLIENTID response |
1da177e4 | 6614 | */ |
bf269551 CL |
6615 | static int nfs4_xdr_dec_setclientid(struct rpc_rqst *req, |
6616 | struct xdr_stream *xdr, | |
6617 | struct nfs4_setclientid_res *res) | |
1da177e4 | 6618 | { |
1da177e4 LT |
6619 | struct compound_hdr hdr; |
6620 | int status; | |
6621 | ||
bf269551 | 6622 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6623 | if (!status) |
bf269551 | 6624 | status = decode_setclientid(xdr, res); |
1da177e4 LT |
6625 | return status; |
6626 | } | |
6627 | ||
6628 | /* | |
8b173218 | 6629 | * Decode SETCLIENTID_CONFIRM response |
1da177e4 | 6630 | */ |
bf269551 CL |
6631 | static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst *req, |
6632 | struct xdr_stream *xdr, | |
6633 | struct nfs_fsinfo *fsinfo) | |
1da177e4 | 6634 | { |
1da177e4 LT |
6635 | struct compound_hdr hdr; |
6636 | int status; | |
6637 | ||
bf269551 | 6638 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6639 | if (!status) |
bf269551 | 6640 | status = decode_setclientid_confirm(xdr); |
1da177e4 | 6641 | if (!status) |
bf269551 | 6642 | status = decode_putrootfh(xdr); |
1da177e4 | 6643 | if (!status) |
bf269551 | 6644 | status = decode_fsinfo(xdr, fsinfo); |
1da177e4 LT |
6645 | return status; |
6646 | } | |
6647 | ||
6648 | /* | |
8b173218 | 6649 | * Decode DELEGRETURN response |
1da177e4 | 6650 | */ |
bf269551 CL |
6651 | static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, |
6652 | struct xdr_stream *xdr, | |
6653 | struct nfs4_delegreturnres *res) | |
1da177e4 | 6654 | { |
1da177e4 LT |
6655 | struct compound_hdr hdr; |
6656 | int status; | |
6657 | ||
bf269551 | 6658 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6659 | if (status) |
6660 | goto out; | |
bf269551 | 6661 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6662 | if (status) |
fa178f29 | 6663 | goto out; |
bf269551 | 6664 | status = decode_putfh(xdr); |
fa178f29 TM |
6665 | if (status != 0) |
6666 | goto out; | |
e144cbcc | 6667 | status = decode_getfattr(xdr, res->fattr, res->server); |
556ae3bb JL |
6668 | if (status != 0) |
6669 | goto out; | |
e144cbcc | 6670 | status = decode_delegreturn(xdr); |
fa178f29 | 6671 | out: |
1da177e4 LT |
6672 | return status; |
6673 | } | |
6674 | ||
683b57b4 | 6675 | /* |
8b173218 | 6676 | * Decode FS_LOCATIONS response |
683b57b4 | 6677 | */ |
bf269551 CL |
6678 | static int nfs4_xdr_dec_fs_locations(struct rpc_rqst *req, |
6679 | struct xdr_stream *xdr, | |
22958463 | 6680 | struct nfs4_fs_locations_res *res) |
683b57b4 | 6681 | { |
683b57b4 TM |
6682 | struct compound_hdr hdr; |
6683 | int status; | |
6684 | ||
bf269551 | 6685 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6686 | if (status) |
6687 | goto out; | |
bf269551 | 6688 | status = decode_sequence(xdr, &res->seq_res, req); |
9b7b9fcc | 6689 | if (status) |
683b57b4 | 6690 | goto out; |
bf269551 CL |
6691 | status = decode_putfh(xdr); |
6692 | if (status) | |
683b57b4 | 6693 | goto out; |
bf269551 CL |
6694 | status = decode_lookup(xdr); |
6695 | if (status) | |
683b57b4 | 6696 | goto out; |
bf269551 | 6697 | xdr_enter_page(xdr, PAGE_SIZE); |
8b7e3f49 TM |
6698 | status = decode_getfattr_generic(xdr, &res->fs_locations->fattr, |
6699 | NULL, res->fs_locations, | |
6700 | res->fs_locations->server); | |
683b57b4 TM |
6701 | out: |
6702 | return status; | |
6703 | } | |
6704 | ||
5a5ea0d4 BS |
6705 | /* |
6706 | * Decode SECINFO response | |
6707 | */ | |
6708 | static int nfs4_xdr_dec_secinfo(struct rpc_rqst *rqstp, | |
6709 | struct xdr_stream *xdr, | |
6710 | struct nfs4_secinfo_res *res) | |
6711 | { | |
6712 | struct compound_hdr hdr; | |
6713 | int status; | |
6714 | ||
6715 | status = decode_compound_hdr(xdr, &hdr); | |
6716 | if (status) | |
6717 | goto out; | |
6718 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6719 | if (status) | |
6720 | goto out; | |
6721 | status = decode_putfh(xdr); | |
6722 | if (status) | |
6723 | goto out; | |
6724 | status = decode_secinfo(xdr, res); | |
5a5ea0d4 BS |
6725 | out: |
6726 | return status; | |
6727 | } | |
6728 | ||
99fe60d0 | 6729 | #if defined(CONFIG_NFS_V4_1) |
7c44f1ae WAA |
6730 | /* |
6731 | * Decode BIND_CONN_TO_SESSION response | |
6732 | */ | |
6733 | static int nfs4_xdr_dec_bind_conn_to_session(struct rpc_rqst *rqstp, | |
6734 | struct xdr_stream *xdr, | |
6735 | void *res) | |
6736 | { | |
6737 | struct compound_hdr hdr; | |
6738 | int status; | |
6739 | ||
6740 | status = decode_compound_hdr(xdr, &hdr); | |
6741 | if (!status) | |
6742 | status = decode_bind_conn_to_session(xdr, res); | |
6743 | return status; | |
6744 | } | |
6745 | ||
99fe60d0 | 6746 | /* |
8b173218 | 6747 | * Decode EXCHANGE_ID response |
99fe60d0 | 6748 | */ |
bf269551 CL |
6749 | static int nfs4_xdr_dec_exchange_id(struct rpc_rqst *rqstp, |
6750 | struct xdr_stream *xdr, | |
99fe60d0 BH |
6751 | void *res) |
6752 | { | |
99fe60d0 BH |
6753 | struct compound_hdr hdr; |
6754 | int status; | |
6755 | ||
bf269551 | 6756 | status = decode_compound_hdr(xdr, &hdr); |
99fe60d0 | 6757 | if (!status) |
bf269551 | 6758 | status = decode_exchange_id(xdr, res); |
99fe60d0 BH |
6759 | return status; |
6760 | } | |
2050f0cc | 6761 | |
fc931582 | 6762 | /* |
8b173218 | 6763 | * Decode CREATE_SESSION response |
fc931582 | 6764 | */ |
bf269551 CL |
6765 | static int nfs4_xdr_dec_create_session(struct rpc_rqst *rqstp, |
6766 | struct xdr_stream *xdr, | |
fc931582 AA |
6767 | struct nfs41_create_session_res *res) |
6768 | { | |
fc931582 AA |
6769 | struct compound_hdr hdr; |
6770 | int status; | |
6771 | ||
bf269551 | 6772 | status = decode_compound_hdr(xdr, &hdr); |
fc931582 | 6773 | if (!status) |
bf269551 | 6774 | status = decode_create_session(xdr, res); |
fc931582 AA |
6775 | return status; |
6776 | } | |
6777 | ||
0f3e66c6 | 6778 | /* |
8b173218 | 6779 | * Decode DESTROY_SESSION response |
0f3e66c6 | 6780 | */ |
bf269551 CL |
6781 | static int nfs4_xdr_dec_destroy_session(struct rpc_rqst *rqstp, |
6782 | struct xdr_stream *xdr, | |
6783 | void *res) | |
0f3e66c6 | 6784 | { |
0f3e66c6 AA |
6785 | struct compound_hdr hdr; |
6786 | int status; | |
6787 | ||
bf269551 | 6788 | status = decode_compound_hdr(xdr, &hdr); |
0f3e66c6 | 6789 | if (!status) |
bf269551 | 6790 | status = decode_destroy_session(xdr, res); |
0f3e66c6 AA |
6791 | return status; |
6792 | } | |
6793 | ||
66245539 TM |
6794 | /* |
6795 | * Decode DESTROY_CLIENTID response | |
6796 | */ | |
6797 | static int nfs4_xdr_dec_destroy_clientid(struct rpc_rqst *rqstp, | |
6798 | struct xdr_stream *xdr, | |
6799 | void *res) | |
6800 | { | |
6801 | struct compound_hdr hdr; | |
6802 | int status; | |
6803 | ||
6804 | status = decode_compound_hdr(xdr, &hdr); | |
6805 | if (!status) | |
6806 | status = decode_destroy_clientid(xdr, res); | |
6807 | return status; | |
6808 | } | |
6809 | ||
fc01cea9 | 6810 | /* |
8b173218 | 6811 | * Decode SEQUENCE response |
fc01cea9 | 6812 | */ |
bf269551 CL |
6813 | static int nfs4_xdr_dec_sequence(struct rpc_rqst *rqstp, |
6814 | struct xdr_stream *xdr, | |
fc01cea9 AA |
6815 | struct nfs4_sequence_res *res) |
6816 | { | |
fc01cea9 AA |
6817 | struct compound_hdr hdr; |
6818 | int status; | |
6819 | ||
bf269551 | 6820 | status = decode_compound_hdr(xdr, &hdr); |
fc01cea9 | 6821 | if (!status) |
bf269551 | 6822 | status = decode_sequence(xdr, res, rqstp); |
fc01cea9 AA |
6823 | return status; |
6824 | } | |
6825 | ||
2050f0cc | 6826 | /* |
8b173218 | 6827 | * Decode GET_LEASE_TIME response |
2050f0cc | 6828 | */ |
bf269551 CL |
6829 | static int nfs4_xdr_dec_get_lease_time(struct rpc_rqst *rqstp, |
6830 | struct xdr_stream *xdr, | |
2050f0cc AA |
6831 | struct nfs4_get_lease_time_res *res) |
6832 | { | |
2050f0cc AA |
6833 | struct compound_hdr hdr; |
6834 | int status; | |
6835 | ||
bf269551 | 6836 | status = decode_compound_hdr(xdr, &hdr); |
2050f0cc | 6837 | if (!status) |
bf269551 | 6838 | status = decode_sequence(xdr, &res->lr_seq_res, rqstp); |
2050f0cc | 6839 | if (!status) |
bf269551 | 6840 | status = decode_putrootfh(xdr); |
2050f0cc | 6841 | if (!status) |
bf269551 | 6842 | status = decode_fsinfo(xdr, res->lr_fsinfo); |
2050f0cc AA |
6843 | return status; |
6844 | } | |
18019753 RL |
6845 | |
6846 | /* | |
6847 | * Decode RECLAIM_COMPLETE response | |
6848 | */ | |
bf269551 CL |
6849 | static int nfs4_xdr_dec_reclaim_complete(struct rpc_rqst *rqstp, |
6850 | struct xdr_stream *xdr, | |
18019753 RL |
6851 | struct nfs41_reclaim_complete_res *res) |
6852 | { | |
18019753 RL |
6853 | struct compound_hdr hdr; |
6854 | int status; | |
6855 | ||
bf269551 | 6856 | status = decode_compound_hdr(xdr, &hdr); |
18019753 | 6857 | if (!status) |
bf269551 | 6858 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
18019753 | 6859 | if (!status) |
bf269551 | 6860 | status = decode_reclaim_complete(xdr, (void *)NULL); |
18019753 RL |
6861 | return status; |
6862 | } | |
b1f69b75 | 6863 | |
7f11d8d3 AA |
6864 | /* |
6865 | * Decode GETDEVICELIST response | |
6866 | */ | |
6867 | static int nfs4_xdr_dec_getdevicelist(struct rpc_rqst *rqstp, | |
6868 | struct xdr_stream *xdr, | |
6869 | struct nfs4_getdevicelist_res *res) | |
6870 | { | |
6871 | struct compound_hdr hdr; | |
6872 | int status; | |
6873 | ||
6874 | dprintk("encoding getdevicelist!\n"); | |
6875 | ||
6876 | status = decode_compound_hdr(xdr, &hdr); | |
6877 | if (status != 0) | |
6878 | goto out; | |
6879 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6880 | if (status != 0) | |
6881 | goto out; | |
6882 | status = decode_putfh(xdr); | |
6883 | if (status != 0) | |
6884 | goto out; | |
6885 | status = decode_getdevicelist(xdr, res->devlist); | |
6886 | out: | |
6887 | return status; | |
6888 | } | |
6889 | ||
b1f69b75 AA |
6890 | /* |
6891 | * Decode GETDEVINFO response | |
6892 | */ | |
bf269551 CL |
6893 | static int nfs4_xdr_dec_getdeviceinfo(struct rpc_rqst *rqstp, |
6894 | struct xdr_stream *xdr, | |
b1f69b75 AA |
6895 | struct nfs4_getdeviceinfo_res *res) |
6896 | { | |
b1f69b75 AA |
6897 | struct compound_hdr hdr; |
6898 | int status; | |
6899 | ||
bf269551 | 6900 | status = decode_compound_hdr(xdr, &hdr); |
b1f69b75 AA |
6901 | if (status != 0) |
6902 | goto out; | |
bf269551 | 6903 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
b1f69b75 AA |
6904 | if (status != 0) |
6905 | goto out; | |
bf269551 | 6906 | status = decode_getdeviceinfo(xdr, res->pdev); |
b1f69b75 AA |
6907 | out: |
6908 | return status; | |
6909 | } | |
6910 | ||
6911 | /* | |
6912 | * Decode LAYOUTGET response | |
6913 | */ | |
bf269551 CL |
6914 | static int nfs4_xdr_dec_layoutget(struct rpc_rqst *rqstp, |
6915 | struct xdr_stream *xdr, | |
b1f69b75 AA |
6916 | struct nfs4_layoutget_res *res) |
6917 | { | |
b1f69b75 AA |
6918 | struct compound_hdr hdr; |
6919 | int status; | |
6920 | ||
bf269551 | 6921 | status = decode_compound_hdr(xdr, &hdr); |
b1f69b75 AA |
6922 | if (status) |
6923 | goto out; | |
bf269551 | 6924 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
b1f69b75 AA |
6925 | if (status) |
6926 | goto out; | |
bf269551 | 6927 | status = decode_putfh(xdr); |
b1f69b75 AA |
6928 | if (status) |
6929 | goto out; | |
bf269551 | 6930 | status = decode_layoutget(xdr, rqstp, res); |
b1f69b75 AA |
6931 | out: |
6932 | return status; | |
6933 | } | |
863a3c6c | 6934 | |
cbe82603 BH |
6935 | /* |
6936 | * Decode LAYOUTRETURN response | |
6937 | */ | |
6938 | static int nfs4_xdr_dec_layoutreturn(struct rpc_rqst *rqstp, | |
6939 | struct xdr_stream *xdr, | |
6940 | struct nfs4_layoutreturn_res *res) | |
6941 | { | |
6942 | struct compound_hdr hdr; | |
6943 | int status; | |
6944 | ||
6945 | status = decode_compound_hdr(xdr, &hdr); | |
6946 | if (status) | |
6947 | goto out; | |
6948 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6949 | if (status) | |
6950 | goto out; | |
6951 | status = decode_putfh(xdr); | |
6952 | if (status) | |
6953 | goto out; | |
6954 | status = decode_layoutreturn(xdr, res); | |
6955 | out: | |
6956 | return status; | |
6957 | } | |
6958 | ||
863a3c6c AA |
6959 | /* |
6960 | * Decode LAYOUTCOMMIT response | |
6961 | */ | |
6962 | static int nfs4_xdr_dec_layoutcommit(struct rpc_rqst *rqstp, | |
6963 | struct xdr_stream *xdr, | |
6964 | struct nfs4_layoutcommit_res *res) | |
6965 | { | |
6966 | struct compound_hdr hdr; | |
6967 | int status; | |
6968 | ||
6969 | status = decode_compound_hdr(xdr, &hdr); | |
6970 | if (status) | |
6971 | goto out; | |
6972 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6973 | if (status) | |
6974 | goto out; | |
6975 | status = decode_putfh(xdr); | |
6976 | if (status) | |
6977 | goto out; | |
6978 | status = decode_layoutcommit(xdr, rqstp, res); | |
6979 | if (status) | |
6980 | goto out; | |
6926afd1 | 6981 | decode_getfattr(xdr, res->fattr, res->server); |
863a3c6c AA |
6982 | out: |
6983 | return status; | |
6984 | } | |
fca78d6d BS |
6985 | |
6986 | /* | |
6987 | * Decode SECINFO_NO_NAME response | |
6988 | */ | |
6989 | static int nfs4_xdr_dec_secinfo_no_name(struct rpc_rqst *rqstp, | |
6990 | struct xdr_stream *xdr, | |
6991 | struct nfs4_secinfo_res *res) | |
6992 | { | |
6993 | struct compound_hdr hdr; | |
6994 | int status; | |
6995 | ||
6996 | status = decode_compound_hdr(xdr, &hdr); | |
6997 | if (status) | |
6998 | goto out; | |
6999 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7000 | if (status) | |
7001 | goto out; | |
7002 | status = decode_putrootfh(xdr); | |
7003 | if (status) | |
7004 | goto out; | |
31e4dda4 | 7005 | status = decode_secinfo_no_name(xdr, res); |
fca78d6d BS |
7006 | out: |
7007 | return status; | |
7008 | } | |
7d974794 BS |
7009 | |
7010 | /* | |
7011 | * Decode TEST_STATEID response | |
7012 | */ | |
7013 | static int nfs4_xdr_dec_test_stateid(struct rpc_rqst *rqstp, | |
7014 | struct xdr_stream *xdr, | |
7015 | struct nfs41_test_stateid_res *res) | |
7016 | { | |
7017 | struct compound_hdr hdr; | |
7018 | int status; | |
7019 | ||
7020 | status = decode_compound_hdr(xdr, &hdr); | |
7021 | if (status) | |
7022 | goto out; | |
7023 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7024 | if (status) | |
7025 | goto out; | |
7026 | status = decode_test_stateid(xdr, res); | |
7027 | out: | |
7028 | return status; | |
7029 | } | |
9aeda35f BS |
7030 | |
7031 | /* | |
7032 | * Decode FREE_STATEID response | |
7033 | */ | |
7034 | static int nfs4_xdr_dec_free_stateid(struct rpc_rqst *rqstp, | |
7035 | struct xdr_stream *xdr, | |
7036 | struct nfs41_free_stateid_res *res) | |
7037 | { | |
7038 | struct compound_hdr hdr; | |
7039 | int status; | |
7040 | ||
7041 | status = decode_compound_hdr(xdr, &hdr); | |
7042 | if (status) | |
7043 | goto out; | |
7044 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7045 | if (status) | |
7046 | goto out; | |
7047 | status = decode_free_stateid(xdr, res); | |
7048 | out: | |
7049 | return status; | |
7050 | } | |
99fe60d0 BH |
7051 | #endif /* CONFIG_NFS_V4_1 */ |
7052 | ||
573c4e1e CL |
7053 | /** |
7054 | * nfs4_decode_dirent - Decode a single NFSv4 directory entry stored in | |
7055 | * the local page cache. | |
7056 | * @xdr: XDR stream where entry resides | |
7057 | * @entry: buffer to fill in with entry data | |
7058 | * @plus: boolean indicating whether this should be a readdirplus entry | |
7059 | * | |
7060 | * Returns zero if successful, otherwise a negative errno value is | |
7061 | * returned. | |
7062 | * | |
7063 | * This function is not invoked during READDIR reply decoding, but | |
7064 | * rather whenever an application invokes the getdents(2) system call | |
7065 | * on a directory already in our cache. | |
7066 | */ | |
7067 | int nfs4_decode_dirent(struct xdr_stream *xdr, struct nfs_entry *entry, | |
7068 | int plus) | |
1da177e4 | 7069 | { |
256e48bb | 7070 | unsigned int savep; |
dae100c2 | 7071 | uint32_t bitmap[3] = {0}; |
1da177e4 | 7072 | uint32_t len; |
babddc72 BS |
7073 | __be32 *p = xdr_inline_decode(xdr, 4); |
7074 | if (unlikely(!p)) | |
7075 | goto out_overflow; | |
c08e76d0 | 7076 | if (*p == xdr_zero) { |
babddc72 BS |
7077 | p = xdr_inline_decode(xdr, 4); |
7078 | if (unlikely(!p)) | |
7079 | goto out_overflow; | |
c08e76d0 | 7080 | if (*p == xdr_zero) |
573c4e1e | 7081 | return -EAGAIN; |
1da177e4 | 7082 | entry->eof = 1; |
573c4e1e | 7083 | return -EBADCOOKIE; |
1da177e4 LT |
7084 | } |
7085 | ||
babddc72 BS |
7086 | p = xdr_inline_decode(xdr, 12); |
7087 | if (unlikely(!p)) | |
7088 | goto out_overflow; | |
1da177e4 LT |
7089 | entry->prev_cookie = entry->cookie; |
7090 | p = xdr_decode_hyper(p, &entry->cookie); | |
c08e76d0 | 7091 | entry->len = be32_to_cpup(p); |
babddc72 | 7092 | |
9af8c222 | 7093 | p = xdr_inline_decode(xdr, entry->len); |
babddc72 BS |
7094 | if (unlikely(!p)) |
7095 | goto out_overflow; | |
1da177e4 | 7096 | entry->name = (const char *) p; |
1da177e4 LT |
7097 | |
7098 | /* | |
7099 | * In case the server doesn't return an inode number, | |
7100 | * we fake one here. (We don't use inode number 0, | |
7101 | * since glibc seems to choke on it...) | |
7102 | */ | |
7103 | entry->ino = 1; | |
4f082222 | 7104 | entry->fattr->valid = 0; |
1da177e4 | 7105 | |
9af8c222 TM |
7106 | if (decode_attr_bitmap(xdr, bitmap) < 0) |
7107 | goto out_overflow; | |
7108 | ||
256e48bb | 7109 | if (decode_attr_length(xdr, &len, &savep) < 0) |
9af8c222 TM |
7110 | goto out_overflow; |
7111 | ||
573c4e1e | 7112 | if (decode_getfattr_attrs(xdr, bitmap, entry->fattr, entry->fh, |
8b7e3f49 | 7113 | NULL, entry->server) < 0) |
9af8c222 | 7114 | goto out_overflow; |
28331a46 TM |
7115 | if (entry->fattr->valid & NFS_ATTR_FATTR_MOUNTED_ON_FILEID) |
7116 | entry->ino = entry->fattr->mounted_on_fileid; | |
7117 | else if (entry->fattr->valid & NFS_ATTR_FATTR_FILEID) | |
9af8c222 TM |
7118 | entry->ino = entry->fattr->fileid; |
7119 | ||
0b26a0bf TM |
7120 | entry->d_type = DT_UNKNOWN; |
7121 | if (entry->fattr->valid & NFS_ATTR_FATTR_TYPE) | |
7122 | entry->d_type = nfs_umode_to_dtype(entry->fattr->mode); | |
7123 | ||
573c4e1e | 7124 | return 0; |
babddc72 BS |
7125 | |
7126 | out_overflow: | |
7127 | print_overflow_msg(__func__, xdr); | |
573c4e1e | 7128 | return -EAGAIN; |
1da177e4 LT |
7129 | } |
7130 | ||
7131 | /* | |
7132 | * We need to translate between nfs status return values and | |
7133 | * the local errno values which may not be the same. | |
7134 | */ | |
7135 | static struct { | |
7136 | int stat; | |
7137 | int errno; | |
7138 | } nfs_errtbl[] = { | |
7139 | { NFS4_OK, 0 }, | |
856dff3d BH |
7140 | { NFS4ERR_PERM, -EPERM }, |
7141 | { NFS4ERR_NOENT, -ENOENT }, | |
7142 | { NFS4ERR_IO, -errno_NFSERR_IO}, | |
7143 | { NFS4ERR_NXIO, -ENXIO }, | |
7144 | { NFS4ERR_ACCESS, -EACCES }, | |
7145 | { NFS4ERR_EXIST, -EEXIST }, | |
7146 | { NFS4ERR_XDEV, -EXDEV }, | |
7147 | { NFS4ERR_NOTDIR, -ENOTDIR }, | |
7148 | { NFS4ERR_ISDIR, -EISDIR }, | |
7149 | { NFS4ERR_INVAL, -EINVAL }, | |
7150 | { NFS4ERR_FBIG, -EFBIG }, | |
7151 | { NFS4ERR_NOSPC, -ENOSPC }, | |
7152 | { NFS4ERR_ROFS, -EROFS }, | |
7153 | { NFS4ERR_MLINK, -EMLINK }, | |
7154 | { NFS4ERR_NAMETOOLONG, -ENAMETOOLONG }, | |
7155 | { NFS4ERR_NOTEMPTY, -ENOTEMPTY }, | |
7156 | { NFS4ERR_DQUOT, -EDQUOT }, | |
7157 | { NFS4ERR_STALE, -ESTALE }, | |
7158 | { NFS4ERR_BADHANDLE, -EBADHANDLE }, | |
856dff3d BH |
7159 | { NFS4ERR_BAD_COOKIE, -EBADCOOKIE }, |
7160 | { NFS4ERR_NOTSUPP, -ENOTSUPP }, | |
7161 | { NFS4ERR_TOOSMALL, -ETOOSMALL }, | |
fdcb4577 | 7162 | { NFS4ERR_SERVERFAULT, -EREMOTEIO }, |
856dff3d BH |
7163 | { NFS4ERR_BADTYPE, -EBADTYPE }, |
7164 | { NFS4ERR_LOCKED, -EAGAIN }, | |
856dff3d BH |
7165 | { NFS4ERR_SYMLINK, -ELOOP }, |
7166 | { NFS4ERR_OP_ILLEGAL, -EOPNOTSUPP }, | |
7167 | { NFS4ERR_DEADLOCK, -EDEADLK }, | |
856dff3d | 7168 | { -1, -EIO } |
1da177e4 LT |
7169 | }; |
7170 | ||
7171 | /* | |
7172 | * Convert an NFS error code to a local one. | |
7173 | * This one is used jointly by NFSv2 and NFSv3. | |
7174 | */ | |
7175 | static int | |
0a8ea437 | 7176 | nfs4_stat_to_errno(int stat) |
1da177e4 LT |
7177 | { |
7178 | int i; | |
7179 | for (i = 0; nfs_errtbl[i].stat != -1; i++) { | |
7180 | if (nfs_errtbl[i].stat == stat) | |
7181 | return nfs_errtbl[i].errno; | |
7182 | } | |
7183 | if (stat <= 10000 || stat > 10100) { | |
7184 | /* The server is looney tunes. */ | |
fdcb4577 | 7185 | return -EREMOTEIO; |
1da177e4 LT |
7186 | } |
7187 | /* If we cannot translate the error, the recovery routines should | |
7188 | * handle it. | |
7189 | * Note: remaining NFSv4 error codes have values > 10000, so should | |
7190 | * not conflict with native Linux error codes. | |
7191 | */ | |
856dff3d | 7192 | return -stat; |
1da177e4 LT |
7193 | } |
7194 | ||
1da177e4 LT |
7195 | #define PROC(proc, argtype, restype) \ |
7196 | [NFSPROC4_CLNT_##proc] = { \ | |
7197 | .p_proc = NFSPROC4_COMPOUND, \ | |
9f06c719 | 7198 | .p_encode = (kxdreproc_t)nfs4_xdr_##argtype, \ |
bf269551 | 7199 | .p_decode = (kxdrdproc_t)nfs4_xdr_##restype, \ |
2bea90d4 CL |
7200 | .p_arglen = NFS4_##argtype##_sz, \ |
7201 | .p_replen = NFS4_##restype##_sz, \ | |
cc0175c1 CL |
7202 | .p_statidx = NFSPROC4_CLNT_##proc, \ |
7203 | .p_name = #proc, \ | |
05d564fe | 7204 | } |
1da177e4 LT |
7205 | |
7206 | struct rpc_procinfo nfs4_procedures[] = { | |
7d93bd71 CL |
7207 | PROC(READ, enc_read, dec_read), |
7208 | PROC(WRITE, enc_write, dec_write), | |
7209 | PROC(COMMIT, enc_commit, dec_commit), | |
7210 | PROC(OPEN, enc_open, dec_open), | |
7211 | PROC(OPEN_CONFIRM, enc_open_confirm, dec_open_confirm), | |
7212 | PROC(OPEN_NOATTR, enc_open_noattr, dec_open_noattr), | |
7213 | PROC(OPEN_DOWNGRADE, enc_open_downgrade, dec_open_downgrade), | |
7214 | PROC(CLOSE, enc_close, dec_close), | |
7215 | PROC(SETATTR, enc_setattr, dec_setattr), | |
7216 | PROC(FSINFO, enc_fsinfo, dec_fsinfo), | |
7217 | PROC(RENEW, enc_renew, dec_renew), | |
7218 | PROC(SETCLIENTID, enc_setclientid, dec_setclientid), | |
7219 | PROC(SETCLIENTID_CONFIRM, enc_setclientid_confirm, dec_setclientid_confirm), | |
7220 | PROC(LOCK, enc_lock, dec_lock), | |
7221 | PROC(LOCKT, enc_lockt, dec_lockt), | |
7222 | PROC(LOCKU, enc_locku, dec_locku), | |
7223 | PROC(ACCESS, enc_access, dec_access), | |
7224 | PROC(GETATTR, enc_getattr, dec_getattr), | |
7225 | PROC(LOOKUP, enc_lookup, dec_lookup), | |
7226 | PROC(LOOKUP_ROOT, enc_lookup_root, dec_lookup_root), | |
7227 | PROC(REMOVE, enc_remove, dec_remove), | |
7228 | PROC(RENAME, enc_rename, dec_rename), | |
7229 | PROC(LINK, enc_link, dec_link), | |
7230 | PROC(SYMLINK, enc_symlink, dec_symlink), | |
7231 | PROC(CREATE, enc_create, dec_create), | |
7232 | PROC(PATHCONF, enc_pathconf, dec_pathconf), | |
7233 | PROC(STATFS, enc_statfs, dec_statfs), | |
7234 | PROC(READLINK, enc_readlink, dec_readlink), | |
7235 | PROC(READDIR, enc_readdir, dec_readdir), | |
7236 | PROC(SERVER_CAPS, enc_server_caps, dec_server_caps), | |
7237 | PROC(DELEGRETURN, enc_delegreturn, dec_delegreturn), | |
7238 | PROC(GETACL, enc_getacl, dec_getacl), | |
7239 | PROC(SETACL, enc_setacl, dec_setacl), | |
7240 | PROC(FS_LOCATIONS, enc_fs_locations, dec_fs_locations), | |
7241 | PROC(RELEASE_LOCKOWNER, enc_release_lockowner, dec_release_lockowner), | |
5a5ea0d4 | 7242 | PROC(SECINFO, enc_secinfo, dec_secinfo), |
99fe60d0 | 7243 | #if defined(CONFIG_NFS_V4_1) |
7d93bd71 CL |
7244 | PROC(EXCHANGE_ID, enc_exchange_id, dec_exchange_id), |
7245 | PROC(CREATE_SESSION, enc_create_session, dec_create_session), | |
7246 | PROC(DESTROY_SESSION, enc_destroy_session, dec_destroy_session), | |
7247 | PROC(SEQUENCE, enc_sequence, dec_sequence), | |
7248 | PROC(GET_LEASE_TIME, enc_get_lease_time, dec_get_lease_time), | |
7249 | PROC(RECLAIM_COMPLETE, enc_reclaim_complete, dec_reclaim_complete), | |
7250 | PROC(GETDEVICEINFO, enc_getdeviceinfo, dec_getdeviceinfo), | |
7251 | PROC(LAYOUTGET, enc_layoutget, dec_layoutget), | |
863a3c6c | 7252 | PROC(LAYOUTCOMMIT, enc_layoutcommit, dec_layoutcommit), |
cbe82603 | 7253 | PROC(LAYOUTRETURN, enc_layoutreturn, dec_layoutreturn), |
fca78d6d | 7254 | PROC(SECINFO_NO_NAME, enc_secinfo_no_name, dec_secinfo_no_name), |
7d974794 | 7255 | PROC(TEST_STATEID, enc_test_stateid, dec_test_stateid), |
9aeda35f | 7256 | PROC(FREE_STATEID, enc_free_stateid, dec_free_stateid), |
7f11d8d3 | 7257 | PROC(GETDEVICELIST, enc_getdevicelist, dec_getdevicelist), |
ad24ecfb TM |
7258 | PROC(BIND_CONN_TO_SESSION, |
7259 | enc_bind_conn_to_session, dec_bind_conn_to_session), | |
66245539 | 7260 | PROC(DESTROY_CLIENTID, enc_destroy_clientid, dec_destroy_clientid), |
99fe60d0 | 7261 | #endif /* CONFIG_NFS_V4_1 */ |
1da177e4 LT |
7262 | }; |
7263 | ||
a613fa16 | 7264 | const struct rpc_version nfs_version4 = { |
1da177e4 | 7265 | .number = 4, |
e8c96f8c | 7266 | .nrprocs = ARRAY_SIZE(nfs4_procedures), |
1da177e4 LT |
7267 | .procs = nfs4_procedures |
7268 | }; | |
7269 | ||
7270 | /* | |
7271 | * Local variables: | |
7272 | * c-basic-offset: 8 | |
7273 | * End: | |
7274 | */ |