Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * fs/nfs/nfs4xdr.c | |
3 | * | |
4 | * Client-side XDR for NFSv4. | |
5 | * | |
6 | * Copyright (c) 2002 The Regents of the University of Michigan. | |
7 | * All rights reserved. | |
8 | * | |
9 | * Kendrick Smith <kmsmith@umich.edu> | |
10 | * Andy Adamson <andros@umich.edu> | |
6c0195a4 | 11 | * |
1da177e4 LT |
12 | * Redistribution and use in source and binary forms, with or without |
13 | * modification, are permitted provided that the following conditions | |
14 | * are met: | |
15 | * | |
16 | * 1. Redistributions of source code must retain the above copyright | |
17 | * notice, this list of conditions and the following disclaimer. | |
18 | * 2. Redistributions in binary form must reproduce the above copyright | |
19 | * notice, this list of conditions and the following disclaimer in the | |
20 | * documentation and/or other materials provided with the distribution. | |
21 | * 3. Neither the name of the University nor the names of its | |
22 | * contributors may be used to endorse or promote products derived | |
23 | * from this software without specific prior written permission. | |
24 | * | |
25 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED | |
26 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
27 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
28 | * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
29 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
30 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
31 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR | |
32 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | |
33 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
34 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
35 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
36 | */ | |
37 | ||
38 | #include <linux/param.h> | |
39 | #include <linux/time.h> | |
40 | #include <linux/mm.h> | |
1da177e4 LT |
41 | #include <linux/errno.h> |
42 | #include <linux/string.h> | |
43 | #include <linux/in.h> | |
44 | #include <linux/pagemap.h> | |
45 | #include <linux/proc_fs.h> | |
46 | #include <linux/kdev_t.h> | |
db8ac8ba WAA |
47 | #include <linux/module.h> |
48 | #include <linux/utsname.h> | |
1da177e4 | 49 | #include <linux/sunrpc/clnt.h> |
2449ea2e | 50 | #include <linux/sunrpc/msg_prot.h> |
5a5ea0d4 | 51 | #include <linux/sunrpc/gss_api.h> |
1da177e4 LT |
52 | #include <linux/nfs.h> |
53 | #include <linux/nfs4.h> | |
54 | #include <linux/nfs_fs.h> | |
55 | #include <linux/nfs_idmap.h> | |
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 | |
db8ac8ba WAA |
855 | static unsigned short send_implementation_id = 1; |
856 | ||
857 | module_param(send_implementation_id, ushort, 0644); | |
858 | MODULE_PARM_DESC(send_implementation_id, | |
859 | "Send implementation ID with NFSv4.1 exchange_id"); | |
860 | ||
bca79478 TM |
861 | static const umode_t nfs_type2fmt[] = { |
862 | [NF4BAD] = 0, | |
863 | [NF4REG] = S_IFREG, | |
864 | [NF4DIR] = S_IFDIR, | |
865 | [NF4BLK] = S_IFBLK, | |
866 | [NF4CHR] = S_IFCHR, | |
867 | [NF4LNK] = S_IFLNK, | |
868 | [NF4SOCK] = S_IFSOCK, | |
869 | [NF4FIFO] = S_IFIFO, | |
870 | [NF4ATTRDIR] = 0, | |
871 | [NF4NAMEDATTR] = 0, | |
1da177e4 LT |
872 | }; |
873 | ||
874 | struct compound_hdr { | |
875 | int32_t status; | |
876 | uint32_t nops; | |
d017931c | 877 | __be32 * nops_p; |
1da177e4 LT |
878 | uint32_t taglen; |
879 | char * tag; | |
0c4e8c18 | 880 | uint32_t replen; /* expected reply words */ |
66cc0429 | 881 | u32 minorversion; |
1da177e4 LT |
882 | }; |
883 | ||
13c65ce9 BH |
884 | static __be32 *reserve_space(struct xdr_stream *xdr, size_t nbytes) |
885 | { | |
886 | __be32 *p = xdr_reserve_space(xdr, nbytes); | |
887 | BUG_ON(!p); | |
888 | return p; | |
889 | } | |
1da177e4 | 890 | |
cb17e556 TM |
891 | static void encode_opaque_fixed(struct xdr_stream *xdr, const void *buf, size_t len) |
892 | { | |
893 | __be32 *p; | |
894 | ||
895 | p = xdr_reserve_space(xdr, len); | |
896 | xdr_encode_opaque_fixed(p, buf, len); | |
897 | } | |
898 | ||
1da177e4 LT |
899 | static void encode_string(struct xdr_stream *xdr, unsigned int len, const char *str) |
900 | { | |
8687b63a | 901 | __be32 *p; |
1da177e4 | 902 | |
6fdfb0bc | 903 | p = reserve_space(xdr, 4 + len); |
1da177e4 LT |
904 | xdr_encode_opaque(p, str, len); |
905 | } | |
906 | ||
4ade9821 TM |
907 | static void encode_uint32(struct xdr_stream *xdr, u32 n) |
908 | { | |
909 | __be32 *p; | |
910 | ||
911 | p = reserve_space(xdr, 4); | |
912 | *p = cpu_to_be32(n); | |
913 | } | |
914 | ||
ff2eb681 TM |
915 | static void encode_uint64(struct xdr_stream *xdr, u64 n) |
916 | { | |
917 | __be32 *p; | |
918 | ||
919 | p = reserve_space(xdr, 8); | |
920 | xdr_encode_hyper(p, n); | |
921 | } | |
922 | ||
4ade9821 TM |
923 | static void encode_nfs4_seqid(struct xdr_stream *xdr, |
924 | const struct nfs_seqid *seqid) | |
925 | { | |
926 | encode_uint32(xdr, seqid->sequence->counter); | |
927 | } | |
928 | ||
0c4e8c18 BH |
929 | static void encode_compound_hdr(struct xdr_stream *xdr, |
930 | struct rpc_rqst *req, | |
931 | struct compound_hdr *hdr) | |
1da177e4 | 932 | { |
8687b63a | 933 | __be32 *p; |
a17c2153 | 934 | struct rpc_auth *auth = req->rq_cred->cr_auth; |
0c4e8c18 BH |
935 | |
936 | /* initialize running count of expected bytes in reply. | |
937 | * NOTE: the replied tag SHOULD be the same is the one sent, | |
938 | * but this is not required as a MUST for the server to do so. */ | |
939 | hdr->replen = RPC_REPHDRSIZE + auth->au_rslack + 3 + hdr->taglen; | |
1da177e4 | 940 | |
1da177e4 | 941 | BUG_ON(hdr->taglen > NFS4_MAXTAGLEN); |
6fdfb0bc TM |
942 | encode_string(xdr, hdr->taglen, hdr->tag); |
943 | p = reserve_space(xdr, 8); | |
e75bc1c8 | 944 | *p++ = cpu_to_be32(hdr->minorversion); |
d017931c | 945 | hdr->nops_p = p; |
34558513 | 946 | *p = cpu_to_be32(hdr->nops); |
d017931c AA |
947 | } |
948 | ||
ab19b481 TM |
949 | static void encode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 op, |
950 | uint32_t replen, | |
951 | struct compound_hdr *hdr) | |
952 | { | |
953 | encode_uint32(xdr, op); | |
954 | hdr->nops++; | |
955 | hdr->replen += replen; | |
956 | } | |
957 | ||
d017931c AA |
958 | static void encode_nops(struct compound_hdr *hdr) |
959 | { | |
fc931582 | 960 | BUG_ON(hdr->nops > NFS4_MAX_OPS); |
d017931c | 961 | *hdr->nops_p = htonl(hdr->nops); |
1da177e4 LT |
962 | } |
963 | ||
ea9d23f5 TM |
964 | static void encode_nfs4_stateid(struct xdr_stream *xdr, const nfs4_stateid *stateid) |
965 | { | |
2d2f24ad | 966 | encode_opaque_fixed(xdr, stateid, NFS4_STATEID_SIZE); |
ea9d23f5 TM |
967 | } |
968 | ||
1da177e4 LT |
969 | static void encode_nfs4_verifier(struct xdr_stream *xdr, const nfs4_verifier *verf) |
970 | { | |
cb17e556 | 971 | encode_opaque_fixed(xdr, verf->data, NFS4_VERIFIER_SIZE); |
1da177e4 LT |
972 | } |
973 | ||
cf8cdbe5 | 974 | static void encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const struct nfs_server *server) |
1da177e4 LT |
975 | { |
976 | char owner_name[IDMAP_NAMESZ]; | |
977 | char owner_group[IDMAP_NAMESZ]; | |
978 | int owner_namelen = 0; | |
979 | int owner_grouplen = 0; | |
8687b63a AV |
980 | __be32 *p; |
981 | __be32 *q; | |
1da177e4 LT |
982 | int len; |
983 | uint32_t bmval0 = 0; | |
984 | uint32_t bmval1 = 0; | |
1da177e4 LT |
985 | |
986 | /* | |
987 | * We reserve enough space to write the entire attribute buffer at once. | |
988 | * In the worst-case, this would be | |
989 | * 12(bitmap) + 4(attrlen) + 8(size) + 4(mode) + 4(atime) + 4(mtime) | |
990 | * = 36 bytes, plus any contribution from variable-length fields | |
23ec6965 | 991 | * such as owner/group. |
1da177e4 LT |
992 | */ |
993 | len = 16; | |
994 | ||
995 | /* Sigh */ | |
996 | if (iap->ia_valid & ATTR_SIZE) | |
997 | len += 8; | |
998 | if (iap->ia_valid & ATTR_MODE) | |
999 | len += 4; | |
1000 | if (iap->ia_valid & ATTR_UID) { | |
e4fd72a1 | 1001 | owner_namelen = nfs_map_uid_to_name(server, iap->ia_uid, owner_name, IDMAP_NAMESZ); |
1da177e4 | 1002 | if (owner_namelen < 0) { |
fe82a183 CL |
1003 | dprintk("nfs: couldn't resolve uid %d to string\n", |
1004 | iap->ia_uid); | |
1da177e4 LT |
1005 | /* XXX */ |
1006 | strcpy(owner_name, "nobody"); | |
1007 | owner_namelen = sizeof("nobody") - 1; | |
1008 | /* goto out; */ | |
1009 | } | |
1010 | len += 4 + (XDR_QUADLEN(owner_namelen) << 2); | |
1011 | } | |
1012 | if (iap->ia_valid & ATTR_GID) { | |
e4fd72a1 | 1013 | owner_grouplen = nfs_map_gid_to_group(server, iap->ia_gid, owner_group, IDMAP_NAMESZ); |
1da177e4 | 1014 | if (owner_grouplen < 0) { |
fe82a183 CL |
1015 | dprintk("nfs: couldn't resolve gid %d to string\n", |
1016 | iap->ia_gid); | |
1da177e4 LT |
1017 | strcpy(owner_group, "nobody"); |
1018 | owner_grouplen = sizeof("nobody") - 1; | |
1019 | /* goto out; */ | |
1020 | } | |
1021 | len += 4 + (XDR_QUADLEN(owner_grouplen) << 2); | |
1022 | } | |
1023 | if (iap->ia_valid & ATTR_ATIME_SET) | |
1024 | len += 16; | |
1025 | else if (iap->ia_valid & ATTR_ATIME) | |
1026 | len += 4; | |
1027 | if (iap->ia_valid & ATTR_MTIME_SET) | |
1028 | len += 16; | |
1029 | else if (iap->ia_valid & ATTR_MTIME) | |
1030 | len += 4; | |
13c65ce9 | 1031 | p = reserve_space(xdr, len); |
1da177e4 LT |
1032 | |
1033 | /* | |
1034 | * We write the bitmap length now, but leave the bitmap and the attribute | |
1035 | * buffer length to be backfilled at the end of this routine. | |
1036 | */ | |
e75bc1c8 | 1037 | *p++ = cpu_to_be32(2); |
1da177e4 LT |
1038 | q = p; |
1039 | p += 3; | |
1040 | ||
1041 | if (iap->ia_valid & ATTR_SIZE) { | |
1042 | bmval0 |= FATTR4_WORD0_SIZE; | |
b95be5a9 | 1043 | p = xdr_encode_hyper(p, iap->ia_size); |
1da177e4 LT |
1044 | } |
1045 | if (iap->ia_valid & ATTR_MODE) { | |
1046 | bmval1 |= FATTR4_WORD1_MODE; | |
e75bc1c8 | 1047 | *p++ = cpu_to_be32(iap->ia_mode & S_IALLUGO); |
1da177e4 LT |
1048 | } |
1049 | if (iap->ia_valid & ATTR_UID) { | |
1050 | bmval1 |= FATTR4_WORD1_OWNER; | |
811652bd | 1051 | p = xdr_encode_opaque(p, owner_name, owner_namelen); |
1da177e4 LT |
1052 | } |
1053 | if (iap->ia_valid & ATTR_GID) { | |
1054 | bmval1 |= FATTR4_WORD1_OWNER_GROUP; | |
811652bd | 1055 | p = xdr_encode_opaque(p, owner_group, owner_grouplen); |
1da177e4 LT |
1056 | } |
1057 | if (iap->ia_valid & ATTR_ATIME_SET) { | |
1058 | bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET; | |
e75bc1c8 BH |
1059 | *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); |
1060 | *p++ = cpu_to_be32(0); | |
d3f6baaa TM |
1061 | *p++ = cpu_to_be32(iap->ia_atime.tv_sec); |
1062 | *p++ = cpu_to_be32(iap->ia_atime.tv_nsec); | |
1da177e4 LT |
1063 | } |
1064 | else if (iap->ia_valid & ATTR_ATIME) { | |
1065 | bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET; | |
e75bc1c8 | 1066 | *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); |
1da177e4 LT |
1067 | } |
1068 | if (iap->ia_valid & ATTR_MTIME_SET) { | |
1069 | bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET; | |
e75bc1c8 BH |
1070 | *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); |
1071 | *p++ = cpu_to_be32(0); | |
1072 | *p++ = cpu_to_be32(iap->ia_mtime.tv_sec); | |
1073 | *p++ = cpu_to_be32(iap->ia_mtime.tv_nsec); | |
1da177e4 LT |
1074 | } |
1075 | else if (iap->ia_valid & ATTR_MTIME) { | |
1076 | bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET; | |
e75bc1c8 | 1077 | *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); |
1da177e4 | 1078 | } |
6c0195a4 | 1079 | |
1da177e4 LT |
1080 | /* |
1081 | * Now we backfill the bitmap and the attribute buffer length. | |
1082 | */ | |
1083 | if (len != ((char *)p - (char *)q) + 4) { | |
f9fd2d9c | 1084 | printk(KERN_ERR "NFS: Attr length error, %u != %Zu\n", |
1da177e4 LT |
1085 | len, ((char *)p - (char *)q) + 4); |
1086 | BUG(); | |
1087 | } | |
1088 | len = (char *)p - (char *)q - 12; | |
1089 | *q++ = htonl(bmval0); | |
1090 | *q++ = htonl(bmval1); | |
34558513 | 1091 | *q = htonl(len); |
1da177e4 | 1092 | |
1da177e4 | 1093 | /* out: */ |
1da177e4 LT |
1094 | } |
1095 | ||
cf8cdbe5 | 1096 | static void encode_access(struct xdr_stream *xdr, u32 access, struct compound_hdr *hdr) |
1da177e4 | 1097 | { |
475d4ba0 TM |
1098 | encode_op_hdr(xdr, OP_ACCESS, decode_access_maxsz, hdr); |
1099 | encode_uint32(xdr, access); | |
1da177e4 LT |
1100 | } |
1101 | ||
cf8cdbe5 | 1102 | static void encode_close(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1103 | { |
ab19b481 | 1104 | encode_op_hdr(xdr, OP_CLOSE, decode_close_maxsz, hdr); |
4ade9821 | 1105 | encode_nfs4_seqid(xdr, arg->seqid); |
ea9d23f5 | 1106 | encode_nfs4_stateid(xdr, arg->stateid); |
1da177e4 LT |
1107 | } |
1108 | ||
0b7c0153 | 1109 | static void encode_commit(struct xdr_stream *xdr, const struct nfs_commitargs *args, struct compound_hdr *hdr) |
1da177e4 | 1110 | { |
8687b63a | 1111 | __be32 *p; |
6c0195a4 | 1112 | |
475d4ba0 TM |
1113 | encode_op_hdr(xdr, OP_COMMIT, decode_commit_maxsz, hdr); |
1114 | p = reserve_space(xdr, 12); | |
b95be5a9 | 1115 | p = xdr_encode_hyper(p, args->offset); |
34558513 | 1116 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1117 | } |
1118 | ||
cf8cdbe5 | 1119 | static void encode_create(struct xdr_stream *xdr, const struct nfs4_create_arg *create, struct compound_hdr *hdr) |
1da177e4 | 1120 | { |
8687b63a | 1121 | __be32 *p; |
6c0195a4 | 1122 | |
475d4ba0 TM |
1123 | encode_op_hdr(xdr, OP_CREATE, decode_create_maxsz, hdr); |
1124 | encode_uint32(xdr, create->ftype); | |
1da177e4 LT |
1125 | |
1126 | switch (create->ftype) { | |
1127 | case NF4LNK: | |
13c65ce9 | 1128 | p = reserve_space(xdr, 4); |
34558513 | 1129 | *p = cpu_to_be32(create->u.symlink.len); |
94a6d753 | 1130 | xdr_write_pages(xdr, create->u.symlink.pages, 0, create->u.symlink.len); |
1da177e4 LT |
1131 | break; |
1132 | ||
1133 | case NF4BLK: case NF4CHR: | |
13c65ce9 | 1134 | p = reserve_space(xdr, 8); |
e75bc1c8 | 1135 | *p++ = cpu_to_be32(create->u.device.specdata1); |
34558513 | 1136 | *p = cpu_to_be32(create->u.device.specdata2); |
1da177e4 LT |
1137 | break; |
1138 | ||
1139 | default: | |
1140 | break; | |
1141 | } | |
1142 | ||
811652bd | 1143 | encode_string(xdr, create->name->len, create->name->name); |
cf8cdbe5 | 1144 | encode_attrs(xdr, create->attrs, create->server); |
1da177e4 LT |
1145 | } |
1146 | ||
cf8cdbe5 | 1147 | static void encode_getattr_one(struct xdr_stream *xdr, uint32_t bitmap, struct compound_hdr *hdr) |
1da177e4 | 1148 | { |
05d564fe | 1149 | __be32 *p; |
1da177e4 | 1150 | |
475d4ba0 TM |
1151 | encode_op_hdr(xdr, OP_GETATTR, decode_getattr_maxsz, hdr); |
1152 | p = reserve_space(xdr, 8); | |
e75bc1c8 | 1153 | *p++ = cpu_to_be32(1); |
34558513 | 1154 | *p = cpu_to_be32(bitmap); |
1da177e4 LT |
1155 | } |
1156 | ||
cf8cdbe5 | 1157 | static void encode_getattr_two(struct xdr_stream *xdr, uint32_t bm0, uint32_t bm1, struct compound_hdr *hdr) |
1da177e4 | 1158 | { |
05d564fe | 1159 | __be32 *p; |
1da177e4 | 1160 | |
475d4ba0 TM |
1161 | encode_op_hdr(xdr, OP_GETATTR, decode_getattr_maxsz, hdr); |
1162 | p = reserve_space(xdr, 12); | |
e75bc1c8 BH |
1163 | *p++ = cpu_to_be32(2); |
1164 | *p++ = cpu_to_be32(bm0); | |
34558513 | 1165 | *p = cpu_to_be32(bm1); |
1da177e4 LT |
1166 | } |
1167 | ||
dae100c2 FI |
1168 | static void |
1169 | encode_getattr_three(struct xdr_stream *xdr, | |
1170 | uint32_t bm0, uint32_t bm1, uint32_t bm2, | |
1171 | struct compound_hdr *hdr) | |
1172 | { | |
1173 | __be32 *p; | |
1174 | ||
ab19b481 | 1175 | encode_op_hdr(xdr, OP_GETATTR, decode_getattr_maxsz, hdr); |
dae100c2 FI |
1176 | if (bm2) { |
1177 | p = reserve_space(xdr, 16); | |
1178 | *p++ = cpu_to_be32(3); | |
1179 | *p++ = cpu_to_be32(bm0); | |
1180 | *p++ = cpu_to_be32(bm1); | |
1181 | *p = cpu_to_be32(bm2); | |
1182 | } else if (bm1) { | |
1183 | p = reserve_space(xdr, 12); | |
1184 | *p++ = cpu_to_be32(2); | |
1185 | *p++ = cpu_to_be32(bm0); | |
1186 | *p = cpu_to_be32(bm1); | |
1187 | } else { | |
1188 | p = reserve_space(xdr, 8); | |
1189 | *p++ = cpu_to_be32(1); | |
1190 | *p = cpu_to_be32(bm0); | |
1191 | } | |
dae100c2 FI |
1192 | } |
1193 | ||
cf8cdbe5 | 1194 | static void encode_getfattr(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
1da177e4 | 1195 | { |
cf8cdbe5 AA |
1196 | encode_getattr_two(xdr, bitmask[0] & nfs4_fattr_bitmap[0], |
1197 | bitmask[1] & nfs4_fattr_bitmap[1], hdr); | |
1da177e4 LT |
1198 | } |
1199 | ||
88034c3d AA |
1200 | static void encode_getfattr_open(struct xdr_stream *xdr, const u32 *bitmask, |
1201 | struct compound_hdr *hdr) | |
1202 | { | |
1203 | encode_getattr_three(xdr, | |
1204 | bitmask[0] & nfs4_fattr_bitmap[0], | |
1205 | bitmask[1] & nfs4_fattr_bitmap[1], | |
1206 | bitmask[2] & FATTR4_WORD2_MDSTHRESHOLD, | |
1207 | hdr); | |
1208 | } | |
1209 | ||
cf8cdbe5 | 1210 | static void encode_fsinfo(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
1da177e4 | 1211 | { |
dae100c2 FI |
1212 | encode_getattr_three(xdr, |
1213 | bitmask[0] & nfs4_fsinfo_bitmap[0], | |
1214 | bitmask[1] & nfs4_fsinfo_bitmap[1], | |
1215 | bitmask[2] & nfs4_fsinfo_bitmap[2], | |
1216 | hdr); | |
1da177e4 LT |
1217 | } |
1218 | ||
cf8cdbe5 | 1219 | static void encode_fs_locations(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
830b8e33 | 1220 | { |
cf8cdbe5 AA |
1221 | encode_getattr_two(xdr, bitmask[0] & nfs4_fs_locations_bitmap[0], |
1222 | bitmask[1] & nfs4_fs_locations_bitmap[1], hdr); | |
830b8e33 MN |
1223 | } |
1224 | ||
cf8cdbe5 | 1225 | static void encode_getfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1226 | { |
ab19b481 | 1227 | encode_op_hdr(xdr, OP_GETFH, decode_getfh_maxsz, hdr); |
1da177e4 LT |
1228 | } |
1229 | ||
cf8cdbe5 | 1230 | static void encode_link(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1231 | { |
ab19b481 | 1232 | encode_op_hdr(xdr, OP_LINK, decode_link_maxsz, hdr); |
6fdfb0bc | 1233 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1234 | } |
1235 | ||
911d1aaf TM |
1236 | static inline int nfs4_lock_type(struct file_lock *fl, int block) |
1237 | { | |
1238 | if ((fl->fl_type & (F_RDLCK|F_WRLCK|F_UNLCK)) == F_RDLCK) | |
1239 | return block ? NFS4_READW_LT : NFS4_READ_LT; | |
1240 | return block ? NFS4_WRITEW_LT : NFS4_WRITE_LT; | |
1241 | } | |
1242 | ||
1243 | static inline uint64_t nfs4_lock_length(struct file_lock *fl) | |
1244 | { | |
1245 | if (fl->fl_end == OFFSET_MAX) | |
1246 | return ~(uint64_t)0; | |
1247 | return fl->fl_end - fl->fl_start + 1; | |
1248 | } | |
1249 | ||
daccbded TM |
1250 | static void encode_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner) |
1251 | { | |
1252 | __be32 *p; | |
1253 | ||
d035c36c | 1254 | p = reserve_space(xdr, 32); |
daccbded | 1255 | p = xdr_encode_hyper(p, lowner->clientid); |
d035c36c | 1256 | *p++ = cpu_to_be32(20); |
daccbded | 1257 | p = xdr_encode_opaque_fixed(p, "lock id:", 8); |
d035c36c | 1258 | *p++ = cpu_to_be32(lowner->s_dev); |
daccbded TM |
1259 | xdr_encode_hyper(p, lowner->id); |
1260 | } | |
1261 | ||
1da177e4 LT |
1262 | /* |
1263 | * opcode,type,reclaim,offset,length,new_lock_owner = 32 | |
1264 | * open_seqid,open_stateid,lock_seqid,lock_owner.clientid, lock_owner.id = 40 | |
1265 | */ | |
cf8cdbe5 | 1266 | static void encode_lock(struct xdr_stream *xdr, const struct nfs_lock_args *args, struct compound_hdr *hdr) |
1da177e4 | 1267 | { |
8687b63a | 1268 | __be32 *p; |
1da177e4 | 1269 | |
475d4ba0 TM |
1270 | encode_op_hdr(xdr, OP_LOCK, decode_lock_maxsz, hdr); |
1271 | p = reserve_space(xdr, 28); | |
e75bc1c8 BH |
1272 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, args->block)); |
1273 | *p++ = cpu_to_be32(args->reclaim); | |
b95be5a9 BH |
1274 | p = xdr_encode_hyper(p, args->fl->fl_start); |
1275 | p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); | |
34558513 | 1276 | *p = cpu_to_be32(args->new_lock_owner); |
911d1aaf | 1277 | if (args->new_lock_owner){ |
4ade9821 | 1278 | encode_nfs4_seqid(xdr, args->open_seqid); |
ea9d23f5 | 1279 | encode_nfs4_stateid(xdr, args->open_stateid); |
4ade9821 | 1280 | encode_nfs4_seqid(xdr, args->lock_seqid); |
daccbded | 1281 | encode_lockowner(xdr, &args->lock_owner); |
1da177e4 LT |
1282 | } |
1283 | else { | |
ea9d23f5 | 1284 | encode_nfs4_stateid(xdr, args->lock_stateid); |
4ade9821 | 1285 | encode_nfs4_seqid(xdr, args->lock_seqid); |
1da177e4 | 1286 | } |
1da177e4 LT |
1287 | } |
1288 | ||
cf8cdbe5 | 1289 | static void encode_lockt(struct xdr_stream *xdr, const struct nfs_lockt_args *args, struct compound_hdr *hdr) |
1da177e4 | 1290 | { |
8687b63a | 1291 | __be32 *p; |
1da177e4 | 1292 | |
475d4ba0 TM |
1293 | encode_op_hdr(xdr, OP_LOCKT, decode_lockt_maxsz, hdr); |
1294 | p = reserve_space(xdr, 20); | |
e75bc1c8 | 1295 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, 0)); |
b95be5a9 BH |
1296 | p = xdr_encode_hyper(p, args->fl->fl_start); |
1297 | p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); | |
daccbded | 1298 | encode_lockowner(xdr, &args->lock_owner); |
1da177e4 LT |
1299 | } |
1300 | ||
cf8cdbe5 | 1301 | static void encode_locku(struct xdr_stream *xdr, const struct nfs_locku_args *args, struct compound_hdr *hdr) |
1da177e4 | 1302 | { |
8687b63a | 1303 | __be32 *p; |
1da177e4 | 1304 | |
475d4ba0 TM |
1305 | encode_op_hdr(xdr, OP_LOCKU, decode_locku_maxsz, hdr); |
1306 | encode_uint32(xdr, nfs4_lock_type(args->fl, 0)); | |
4ade9821 | 1307 | encode_nfs4_seqid(xdr, args->seqid); |
ea9d23f5 TM |
1308 | encode_nfs4_stateid(xdr, args->stateid); |
1309 | p = reserve_space(xdr, 16); | |
b95be5a9 | 1310 | p = xdr_encode_hyper(p, args->fl->fl_start); |
34558513 | 1311 | xdr_encode_hyper(p, nfs4_lock_length(args->fl)); |
1da177e4 LT |
1312 | } |
1313 | ||
d3c7b7cc TM |
1314 | static void encode_release_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner, struct compound_hdr *hdr) |
1315 | { | |
ab19b481 | 1316 | encode_op_hdr(xdr, OP_RELEASE_LOCKOWNER, decode_release_lockowner_maxsz, hdr); |
d3c7b7cc | 1317 | encode_lockowner(xdr, lowner); |
d3c7b7cc TM |
1318 | } |
1319 | ||
cf8cdbe5 | 1320 | static void encode_lookup(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1321 | { |
ab19b481 | 1322 | encode_op_hdr(xdr, OP_LOOKUP, decode_lookup_maxsz, hdr); |
6fdfb0bc | 1323 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1324 | } |
1325 | ||
dc0b027d | 1326 | static void encode_share_access(struct xdr_stream *xdr, fmode_t fmode) |
1da177e4 | 1327 | { |
8687b63a | 1328 | __be32 *p; |
1da177e4 | 1329 | |
13c65ce9 | 1330 | p = reserve_space(xdr, 8); |
dc0b027d | 1331 | switch (fmode & (FMODE_READ|FMODE_WRITE)) { |
05d564fe | 1332 | case FMODE_READ: |
e75bc1c8 | 1333 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_READ); |
05d564fe AA |
1334 | break; |
1335 | case FMODE_WRITE: | |
e75bc1c8 | 1336 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_WRITE); |
05d564fe AA |
1337 | break; |
1338 | case FMODE_READ|FMODE_WRITE: | |
e75bc1c8 | 1339 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_BOTH); |
05d564fe AA |
1340 | break; |
1341 | default: | |
e75bc1c8 | 1342 | *p++ = cpu_to_be32(0); |
1da177e4 | 1343 | } |
34558513 | 1344 | *p = cpu_to_be32(0); /* for linux, share_deny = 0 always */ |
1da177e4 LT |
1345 | } |
1346 | ||
1347 | static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1348 | { | |
8687b63a | 1349 | __be32 *p; |
1da177e4 LT |
1350 | /* |
1351 | * opcode 4, seqid 4, share_access 4, share_deny 4, clientid 8, ownerlen 4, | |
1352 | * owner 4 = 32 | |
1353 | */ | |
4ade9821 | 1354 | encode_nfs4_seqid(xdr, arg->seqid); |
dc0b027d | 1355 | encode_share_access(xdr, arg->fmode); |
95b72eb0 | 1356 | p = reserve_space(xdr, 36); |
b95be5a9 | 1357 | p = xdr_encode_hyper(p, arg->clientid); |
95b72eb0 | 1358 | *p++ = cpu_to_be32(24); |
93f0cf25 | 1359 | p = xdr_encode_opaque_fixed(p, "open id:", 8); |
d035c36c | 1360 | *p++ = cpu_to_be32(arg->server->s_dev); |
95b72eb0 TM |
1361 | *p++ = cpu_to_be32(arg->id.uniquifier); |
1362 | xdr_encode_hyper(p, arg->id.create_time); | |
1da177e4 LT |
1363 | } |
1364 | ||
1365 | static inline void encode_createmode(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1366 | { | |
8687b63a | 1367 | __be32 *p; |
4882ef72 | 1368 | struct nfs_client *clp; |
1da177e4 | 1369 | |
13c65ce9 | 1370 | p = reserve_space(xdr, 4); |
1da177e4 | 1371 | switch(arg->open_flags & O_EXCL) { |
05d564fe | 1372 | case 0: |
34558513 | 1373 | *p = cpu_to_be32(NFS4_CREATE_UNCHECKED); |
05d564fe AA |
1374 | encode_attrs(xdr, arg->u.attrs, arg->server); |
1375 | break; | |
1376 | default: | |
4882ef72 | 1377 | clp = arg->server->nfs_client; |
a4432345 | 1378 | if (clp->cl_mvops->minor_version > 0) { |
4882ef72 AB |
1379 | if (nfs4_has_persistent_session(clp)) { |
1380 | *p = cpu_to_be32(NFS4_CREATE_GUARDED); | |
1381 | encode_attrs(xdr, arg->u.attrs, arg->server); | |
1382 | } else { | |
1383 | struct iattr dummy; | |
1384 | ||
1385 | *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE4_1); | |
1386 | encode_nfs4_verifier(xdr, &arg->u.verifier); | |
1387 | dummy.ia_valid = 0; | |
1388 | encode_attrs(xdr, &dummy, arg->server); | |
1389 | } | |
1390 | } else { | |
1391 | *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE); | |
1392 | encode_nfs4_verifier(xdr, &arg->u.verifier); | |
1393 | } | |
1da177e4 LT |
1394 | } |
1395 | } | |
1396 | ||
1397 | static void encode_opentype(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1398 | { | |
8687b63a | 1399 | __be32 *p; |
1da177e4 | 1400 | |
13c65ce9 | 1401 | p = reserve_space(xdr, 4); |
1da177e4 | 1402 | switch (arg->open_flags & O_CREAT) { |
05d564fe | 1403 | case 0: |
34558513 | 1404 | *p = cpu_to_be32(NFS4_OPEN_NOCREATE); |
05d564fe AA |
1405 | break; |
1406 | default: | |
1407 | BUG_ON(arg->claim != NFS4_OPEN_CLAIM_NULL); | |
34558513 | 1408 | *p = cpu_to_be32(NFS4_OPEN_CREATE); |
05d564fe | 1409 | encode_createmode(xdr, arg); |
1da177e4 LT |
1410 | } |
1411 | } | |
1412 | ||
bd7bf9d5 | 1413 | static inline void encode_delegation_type(struct xdr_stream *xdr, fmode_t delegation_type) |
1da177e4 | 1414 | { |
8687b63a | 1415 | __be32 *p; |
1da177e4 | 1416 | |
13c65ce9 | 1417 | p = reserve_space(xdr, 4); |
1da177e4 | 1418 | switch (delegation_type) { |
05d564fe | 1419 | case 0: |
34558513 | 1420 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_NONE); |
05d564fe AA |
1421 | break; |
1422 | case FMODE_READ: | |
34558513 | 1423 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_READ); |
05d564fe AA |
1424 | break; |
1425 | case FMODE_WRITE|FMODE_READ: | |
34558513 | 1426 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_WRITE); |
05d564fe AA |
1427 | break; |
1428 | default: | |
1429 | BUG(); | |
1da177e4 LT |
1430 | } |
1431 | } | |
1432 | ||
1433 | static inline void encode_claim_null(struct xdr_stream *xdr, const struct qstr *name) | |
1434 | { | |
8687b63a | 1435 | __be32 *p; |
1da177e4 | 1436 | |
13c65ce9 | 1437 | p = reserve_space(xdr, 4); |
34558513 | 1438 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_NULL); |
1da177e4 LT |
1439 | encode_string(xdr, name->len, name->name); |
1440 | } | |
1441 | ||
bd7bf9d5 | 1442 | static inline void encode_claim_previous(struct xdr_stream *xdr, fmode_t type) |
1da177e4 | 1443 | { |
8687b63a | 1444 | __be32 *p; |
1da177e4 | 1445 | |
13c65ce9 | 1446 | p = reserve_space(xdr, 4); |
34558513 | 1447 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_PREVIOUS); |
1da177e4 LT |
1448 | encode_delegation_type(xdr, type); |
1449 | } | |
1450 | ||
1451 | static inline void encode_claim_delegate_cur(struct xdr_stream *xdr, const struct qstr *name, const nfs4_stateid *stateid) | |
1452 | { | |
8687b63a | 1453 | __be32 *p; |
1da177e4 | 1454 | |
ea9d23f5 TM |
1455 | p = reserve_space(xdr, 4); |
1456 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_DELEGATE_CUR); | |
1457 | encode_nfs4_stateid(xdr, stateid); | |
1da177e4 LT |
1458 | encode_string(xdr, name->len, name->name); |
1459 | } | |
1460 | ||
cf8cdbe5 | 1461 | static void encode_open(struct xdr_stream *xdr, const struct nfs_openargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1462 | { |
ab19b481 | 1463 | encode_op_hdr(xdr, OP_OPEN, decode_open_maxsz, hdr); |
1da177e4 LT |
1464 | encode_openhdr(xdr, arg); |
1465 | encode_opentype(xdr, arg); | |
1466 | switch (arg->claim) { | |
05d564fe AA |
1467 | case NFS4_OPEN_CLAIM_NULL: |
1468 | encode_claim_null(xdr, arg->name); | |
1469 | break; | |
1470 | case NFS4_OPEN_CLAIM_PREVIOUS: | |
1471 | encode_claim_previous(xdr, arg->u.delegation_type); | |
1472 | break; | |
1473 | case NFS4_OPEN_CLAIM_DELEGATE_CUR: | |
1474 | encode_claim_delegate_cur(xdr, arg->name, &arg->u.delegation); | |
1475 | break; | |
1476 | default: | |
1477 | BUG(); | |
1da177e4 | 1478 | } |
1da177e4 LT |
1479 | } |
1480 | ||
cf8cdbe5 | 1481 | static void encode_open_confirm(struct xdr_stream *xdr, const struct nfs_open_confirmargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1482 | { |
ab19b481 | 1483 | encode_op_hdr(xdr, OP_OPEN_CONFIRM, decode_open_confirm_maxsz, hdr); |
ea9d23f5 | 1484 | encode_nfs4_stateid(xdr, arg->stateid); |
4ade9821 | 1485 | encode_nfs4_seqid(xdr, arg->seqid); |
1da177e4 LT |
1486 | } |
1487 | ||
cf8cdbe5 | 1488 | static void encode_open_downgrade(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1489 | { |
ab19b481 | 1490 | encode_op_hdr(xdr, OP_OPEN_DOWNGRADE, decode_open_downgrade_maxsz, hdr); |
ea9d23f5 | 1491 | encode_nfs4_stateid(xdr, arg->stateid); |
4ade9821 | 1492 | encode_nfs4_seqid(xdr, arg->seqid); |
dc0b027d | 1493 | encode_share_access(xdr, arg->fmode); |
1da177e4 LT |
1494 | } |
1495 | ||
cf8cdbe5 | 1496 | static void |
d017931c | 1497 | encode_putfh(struct xdr_stream *xdr, const struct nfs_fh *fh, struct compound_hdr *hdr) |
1da177e4 | 1498 | { |
ab19b481 | 1499 | encode_op_hdr(xdr, OP_PUTFH, decode_putfh_maxsz, hdr); |
6fdfb0bc | 1500 | encode_string(xdr, fh->size, fh->data); |
1da177e4 LT |
1501 | } |
1502 | ||
cf8cdbe5 | 1503 | static void encode_putrootfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1504 | { |
ab19b481 | 1505 | encode_op_hdr(xdr, OP_PUTROOTFH, decode_putrootfh_maxsz, hdr); |
1da177e4 LT |
1506 | } |
1507 | ||
4fc8796d TM |
1508 | static void encode_open_stateid(struct xdr_stream *xdr, |
1509 | const struct nfs_open_context *ctx, | |
1510 | const struct nfs_lock_context *l_ctx, | |
1511 | fmode_t fmode, | |
1512 | int zero_seqid) | |
1da177e4 | 1513 | { |
1da177e4 | 1514 | nfs4_stateid stateid; |
1da177e4 | 1515 | |
1da177e4 | 1516 | if (ctx->state != NULL) { |
4fc8796d TM |
1517 | nfs4_select_rw_stateid(&stateid, ctx->state, |
1518 | fmode, l_ctx->lockowner, l_ctx->pid); | |
89d1ea65 | 1519 | if (zero_seqid) |
2d2f24ad | 1520 | stateid.seqid = 0; |
ea9d23f5 | 1521 | encode_nfs4_stateid(xdr, &stateid); |
1da177e4 | 1522 | } else |
ea9d23f5 | 1523 | encode_nfs4_stateid(xdr, &zero_stateid); |
1da177e4 LT |
1524 | } |
1525 | ||
cf8cdbe5 | 1526 | static void encode_read(struct xdr_stream *xdr, const struct nfs_readargs *args, struct compound_hdr *hdr) |
1da177e4 | 1527 | { |
8687b63a | 1528 | __be32 *p; |
1da177e4 | 1529 | |
ab19b481 | 1530 | encode_op_hdr(xdr, OP_READ, decode_read_maxsz, hdr); |
d0b496d2 | 1531 | encode_open_stateid(xdr, args->context, args->lock_context, |
4fc8796d | 1532 | FMODE_READ, hdr->minorversion); |
1da177e4 | 1533 | |
13c65ce9 | 1534 | p = reserve_space(xdr, 12); |
b95be5a9 | 1535 | p = xdr_encode_hyper(p, args->offset); |
34558513 | 1536 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1537 | } |
1538 | ||
cf8cdbe5 | 1539 | static void encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg *readdir, struct rpc_rqst *req, struct compound_hdr *hdr) |
1da177e4 | 1540 | { |
28331a46 TM |
1541 | uint32_t attrs[2] = { |
1542 | FATTR4_WORD0_RDATTR_ERROR, | |
1543 | FATTR4_WORD1_MOUNTED_ON_FILEID, | |
1544 | }; | |
6f7a35bd | 1545 | uint32_t dircount = readdir->count >> 1; |
cd93710e | 1546 | __be32 *p, verf[2]; |
1da177e4 | 1547 | |
82f2e547 BS |
1548 | if (readdir->plus) { |
1549 | attrs[0] |= FATTR4_WORD0_TYPE|FATTR4_WORD0_CHANGE|FATTR4_WORD0_SIZE| | |
28331a46 | 1550 | FATTR4_WORD0_FSID|FATTR4_WORD0_FILEHANDLE|FATTR4_WORD0_FILEID; |
82f2e547 BS |
1551 | attrs[1] |= FATTR4_WORD1_MODE|FATTR4_WORD1_NUMLINKS|FATTR4_WORD1_OWNER| |
1552 | FATTR4_WORD1_OWNER_GROUP|FATTR4_WORD1_RAWDEV| | |
1553 | FATTR4_WORD1_SPACE_USED|FATTR4_WORD1_TIME_ACCESS| | |
1554 | FATTR4_WORD1_TIME_METADATA|FATTR4_WORD1_TIME_MODIFY; | |
6f7a35bd | 1555 | dircount >>= 1; |
82f2e547 | 1556 | } |
28331a46 TM |
1557 | /* Use mounted_on_fileid only if the server supports it */ |
1558 | if (!(readdir->bitmask[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) | |
1559 | attrs[0] |= FATTR4_WORD0_FILEID; | |
82f2e547 | 1560 | |
475d4ba0 | 1561 | encode_op_hdr(xdr, OP_READDIR, decode_readdir_maxsz, hdr); |
ff2eb681 | 1562 | encode_uint64(xdr, readdir->cookie); |
cd93710e CL |
1563 | encode_nfs4_verifier(xdr, &readdir->verifier); |
1564 | p = reserve_space(xdr, 20); | |
6f7a35bd | 1565 | *p++ = cpu_to_be32(dircount); |
e75bc1c8 BH |
1566 | *p++ = cpu_to_be32(readdir->count); |
1567 | *p++ = cpu_to_be32(2); | |
82f2e547 | 1568 | |
e75bc1c8 | 1569 | *p++ = cpu_to_be32(attrs[0] & readdir->bitmask[0]); |
34558513 | 1570 | *p = cpu_to_be32(attrs[1] & readdir->bitmask[1]); |
cd93710e | 1571 | memcpy(verf, readdir->verifier.data, sizeof(verf)); |
44109241 FI |
1572 | dprintk("%s: cookie = %Lu, verifier = %08x:%08x, bitmap = %08x:%08x\n", |
1573 | __func__, | |
eadf4598 | 1574 | (unsigned long long)readdir->cookie, |
cd93710e | 1575 | verf[0], verf[1], |
eadf4598 TM |
1576 | attrs[0] & readdir->bitmask[0], |
1577 | attrs[1] & readdir->bitmask[1]); | |
1da177e4 LT |
1578 | } |
1579 | ||
cf8cdbe5 | 1580 | static void encode_readlink(struct xdr_stream *xdr, const struct nfs4_readlink *readlink, struct rpc_rqst *req, struct compound_hdr *hdr) |
1da177e4 | 1581 | { |
ab19b481 | 1582 | encode_op_hdr(xdr, OP_READLINK, decode_readlink_maxsz, hdr); |
1da177e4 LT |
1583 | } |
1584 | ||
cf8cdbe5 | 1585 | static void encode_remove(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1586 | { |
ab19b481 | 1587 | encode_op_hdr(xdr, OP_REMOVE, decode_remove_maxsz, hdr); |
6fdfb0bc | 1588 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1589 | } |
1590 | ||
cf8cdbe5 | 1591 | static void encode_rename(struct xdr_stream *xdr, const struct qstr *oldname, const struct qstr *newname, struct compound_hdr *hdr) |
1da177e4 | 1592 | { |
ab19b481 | 1593 | encode_op_hdr(xdr, OP_RENAME, decode_rename_maxsz, hdr); |
811652bd BH |
1594 | encode_string(xdr, oldname->len, oldname->name); |
1595 | encode_string(xdr, newname->len, newname->name); | |
1da177e4 LT |
1596 | } |
1597 | ||
bb4dae5e CL |
1598 | static void encode_renew(struct xdr_stream *xdr, clientid4 clid, |
1599 | struct compound_hdr *hdr) | |
1da177e4 | 1600 | { |
475d4ba0 | 1601 | encode_op_hdr(xdr, OP_RENEW, decode_renew_maxsz, hdr); |
ff2eb681 | 1602 | encode_uint64(xdr, clid); |
1da177e4 LT |
1603 | } |
1604 | ||
cf8cdbe5 | 1605 | static void |
d017931c | 1606 | encode_restorefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
56ae19f3 | 1607 | { |
ab19b481 | 1608 | encode_op_hdr(xdr, OP_RESTOREFH, decode_restorefh_maxsz, hdr); |
56ae19f3 TM |
1609 | } |
1610 | ||
9f06c719 | 1611 | static void |
d017931c | 1612 | encode_setacl(struct xdr_stream *xdr, struct nfs_setaclargs *arg, struct compound_hdr *hdr) |
23ec6965 | 1613 | { |
8687b63a | 1614 | __be32 *p; |
23ec6965 | 1615 | |
ab19b481 | 1616 | encode_op_hdr(xdr, OP_SETATTR, decode_setacl_maxsz, hdr); |
ea9d23f5 | 1617 | encode_nfs4_stateid(xdr, &zero_stateid); |
13c65ce9 | 1618 | p = reserve_space(xdr, 2*4); |
e75bc1c8 | 1619 | *p++ = cpu_to_be32(1); |
34558513 | 1620 | *p = cpu_to_be32(FATTR4_WORD0_ACL); |
9f06c719 | 1621 | BUG_ON(arg->acl_len % 4); |
13c65ce9 | 1622 | p = reserve_space(xdr, 4); |
34558513 | 1623 | *p = cpu_to_be32(arg->acl_len); |
23ec6965 | 1624 | xdr_write_pages(xdr, arg->acl_pages, arg->acl_pgbase, arg->acl_len); |
23ec6965 BF |
1625 | } |
1626 | ||
cf8cdbe5 | 1627 | static void |
d017931c | 1628 | encode_savefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1629 | { |
ab19b481 | 1630 | encode_op_hdr(xdr, OP_SAVEFH, decode_savefh_maxsz, hdr); |
1da177e4 LT |
1631 | } |
1632 | ||
cf8cdbe5 | 1633 | static void encode_setattr(struct xdr_stream *xdr, const struct nfs_setattrargs *arg, const struct nfs_server *server, struct compound_hdr *hdr) |
1da177e4 | 1634 | { |
ab19b481 | 1635 | encode_op_hdr(xdr, OP_SETATTR, decode_setattr_maxsz, hdr); |
ea9d23f5 | 1636 | encode_nfs4_stateid(xdr, &arg->stateid); |
cf8cdbe5 | 1637 | encode_attrs(xdr, arg->iap, server); |
1da177e4 LT |
1638 | } |
1639 | ||
cf8cdbe5 | 1640 | static void encode_setclientid(struct xdr_stream *xdr, const struct nfs4_setclientid *setclientid, struct compound_hdr *hdr) |
1da177e4 | 1641 | { |
8687b63a | 1642 | __be32 *p; |
1da177e4 | 1643 | |
70019514 | 1644 | encode_op_hdr(xdr, OP_SETCLIENTID, decode_setclientid_maxsz, hdr); |
cd93710e | 1645 | encode_nfs4_verifier(xdr, setclientid->sc_verifier); |
1da177e4 LT |
1646 | |
1647 | encode_string(xdr, setclientid->sc_name_len, setclientid->sc_name); | |
13c65ce9 | 1648 | p = reserve_space(xdr, 4); |
34558513 | 1649 | *p = cpu_to_be32(setclientid->sc_prog); |
1da177e4 LT |
1650 | encode_string(xdr, setclientid->sc_netid_len, setclientid->sc_netid); |
1651 | encode_string(xdr, setclientid->sc_uaddr_len, setclientid->sc_uaddr); | |
13c65ce9 | 1652 | p = reserve_space(xdr, 4); |
34558513 | 1653 | *p = cpu_to_be32(setclientid->sc_cb_ident); |
1da177e4 LT |
1654 | } |
1655 | ||
bb8b27e5 | 1656 | static void encode_setclientid_confirm(struct xdr_stream *xdr, const struct nfs4_setclientid_res *arg, struct compound_hdr *hdr) |
1da177e4 | 1657 | { |
475d4ba0 TM |
1658 | encode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM, |
1659 | decode_setclientid_confirm_maxsz, hdr); | |
ff2eb681 | 1660 | encode_uint64(xdr, arg->clientid); |
cd93710e | 1661 | encode_nfs4_verifier(xdr, &arg->confirm); |
1da177e4 LT |
1662 | } |
1663 | ||
cf8cdbe5 | 1664 | static void encode_write(struct xdr_stream *xdr, const struct nfs_writeargs *args, struct compound_hdr *hdr) |
1da177e4 | 1665 | { |
8687b63a | 1666 | __be32 *p; |
1da177e4 | 1667 | |
ab19b481 | 1668 | encode_op_hdr(xdr, OP_WRITE, decode_write_maxsz, hdr); |
d0b496d2 | 1669 | encode_open_stateid(xdr, args->context, args->lock_context, |
4fc8796d | 1670 | FMODE_WRITE, hdr->minorversion); |
1da177e4 | 1671 | |
13c65ce9 | 1672 | p = reserve_space(xdr, 16); |
b95be5a9 | 1673 | p = xdr_encode_hyper(p, args->offset); |
e75bc1c8 | 1674 | *p++ = cpu_to_be32(args->stable); |
34558513 | 1675 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1676 | |
1677 | xdr_write_pages(xdr, args->pages, args->pgbase, args->count); | |
1da177e4 LT |
1678 | } |
1679 | ||
cf8cdbe5 | 1680 | static void encode_delegreturn(struct xdr_stream *xdr, const nfs4_stateid *stateid, struct compound_hdr *hdr) |
1da177e4 | 1681 | { |
ab19b481 | 1682 | encode_op_hdr(xdr, OP_DELEGRETURN, decode_delegreturn_maxsz, hdr); |
ea9d23f5 | 1683 | encode_nfs4_stateid(xdr, stateid); |
1da177e4 | 1684 | } |
9b7b9fcc | 1685 | |
5a5ea0d4 BS |
1686 | static void encode_secinfo(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1687 | { | |
ab19b481 | 1688 | encode_op_hdr(xdr, OP_SECINFO, decode_secinfo_maxsz, hdr); |
6fdfb0bc | 1689 | encode_string(xdr, name->len, name->name); |
5a5ea0d4 BS |
1690 | } |
1691 | ||
99fe60d0 | 1692 | #if defined(CONFIG_NFS_V4_1) |
9b7b9fcc | 1693 | /* NFSv4.1 operations */ |
7c44f1ae WAA |
1694 | static void encode_bind_conn_to_session(struct xdr_stream *xdr, |
1695 | struct nfs4_session *session, | |
1696 | struct compound_hdr *hdr) | |
1697 | { | |
1698 | __be32 *p; | |
1699 | ||
1700 | encode_op_hdr(xdr, OP_BIND_CONN_TO_SESSION, | |
1701 | decode_bind_conn_to_session_maxsz, hdr); | |
1702 | encode_opaque_fixed(xdr, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); | |
1703 | p = xdr_reserve_space(xdr, 8); | |
1704 | *p++ = cpu_to_be32(NFS4_CDFC4_BACK_OR_BOTH); | |
1705 | *p = 0; /* use_conn_in_rdma_mode = False */ | |
1706 | } | |
1707 | ||
99fe60d0 BH |
1708 | static void encode_exchange_id(struct xdr_stream *xdr, |
1709 | struct nfs41_exchange_id_args *args, | |
1710 | struct compound_hdr *hdr) | |
1711 | { | |
1712 | __be32 *p; | |
db8ac8ba WAA |
1713 | char impl_name[NFS4_OPAQUE_LIMIT]; |
1714 | int len = 0; | |
99fe60d0 | 1715 | |
70019514 | 1716 | encode_op_hdr(xdr, OP_EXCHANGE_ID, decode_exchange_id_maxsz, hdr); |
cd93710e | 1717 | encode_nfs4_verifier(xdr, args->verifier); |
99fe60d0 BH |
1718 | |
1719 | encode_string(xdr, args->id_len, args->id); | |
1720 | ||
13c65ce9 | 1721 | p = reserve_space(xdr, 12); |
e75bc1c8 BH |
1722 | *p++ = cpu_to_be32(args->flags); |
1723 | *p++ = cpu_to_be32(0); /* zero length state_protect4_a */ | |
db8ac8ba WAA |
1724 | |
1725 | if (send_implementation_id && | |
1726 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) > 1 && | |
1727 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) | |
1728 | <= NFS4_OPAQUE_LIMIT + 1) | |
1729 | len = snprintf(impl_name, sizeof(impl_name), "%s %s %s %s", | |
1730 | utsname()->sysname, utsname()->release, | |
1731 | utsname()->version, utsname()->machine); | |
1732 | ||
1733 | if (len > 0) { | |
1734 | *p = cpu_to_be32(1); /* implementation id array length=1 */ | |
1735 | ||
1736 | encode_string(xdr, | |
1737 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) - 1, | |
1738 | CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN); | |
1739 | encode_string(xdr, len, impl_name); | |
1740 | /* just send zeros for nii_date - the date is in nii_name */ | |
1741 | p = reserve_space(xdr, 12); | |
1742 | p = xdr_encode_hyper(p, 0); | |
1743 | *p = cpu_to_be32(0); | |
1744 | } else | |
1745 | *p = cpu_to_be32(0); /* implementation id array length=0 */ | |
99fe60d0 | 1746 | } |
fc931582 AA |
1747 | |
1748 | static void encode_create_session(struct xdr_stream *xdr, | |
1749 | struct nfs41_create_session_args *args, | |
1750 | struct compound_hdr *hdr) | |
1751 | { | |
1752 | __be32 *p; | |
1753 | char machine_name[NFS4_MAX_MACHINE_NAME_LEN]; | |
1754 | uint32_t len; | |
1755 | struct nfs_client *clp = args->client; | |
f092075d | 1756 | struct nfs_net *nn = net_generic(clp->cl_net, nfs_net_id); |
8e0d46e1 MS |
1757 | u32 max_resp_sz_cached; |
1758 | ||
1759 | /* | |
1760 | * Assumes OPEN is the biggest non-idempotent compound. | |
1761 | * 2 is the verifier. | |
1762 | */ | |
1763 | max_resp_sz_cached = (NFS4_dec_open_sz + RPC_REPHDRSIZE + | |
1764 | RPC_MAX_AUTH_SIZE + 2) * XDR_UNIT; | |
fc931582 | 1765 | |
42edd698 BH |
1766 | len = scnprintf(machine_name, sizeof(machine_name), "%s", |
1767 | clp->cl_ipaddr); | |
fc931582 | 1768 | |
475d4ba0 TM |
1769 | encode_op_hdr(xdr, OP_CREATE_SESSION, decode_create_session_maxsz, hdr); |
1770 | p = reserve_space(xdr, 16 + 2*28 + 20 + len + 12); | |
114f64b5 | 1771 | p = xdr_encode_hyper(p, clp->cl_clientid); |
e75bc1c8 BH |
1772 | *p++ = cpu_to_be32(clp->cl_seqid); /*Sequence id */ |
1773 | *p++ = cpu_to_be32(args->flags); /*flags */ | |
fc931582 | 1774 | |
fc931582 | 1775 | /* Fore Channel */ |
c9c30dd5 | 1776 | *p++ = cpu_to_be32(0); /* header padding size */ |
e75bc1c8 BH |
1777 | *p++ = cpu_to_be32(args->fc_attrs.max_rqst_sz); /* max req size */ |
1778 | *p++ = cpu_to_be32(args->fc_attrs.max_resp_sz); /* max resp size */ | |
8e0d46e1 | 1779 | *p++ = cpu_to_be32(max_resp_sz_cached); /* Max resp sz cached */ |
e75bc1c8 BH |
1780 | *p++ = cpu_to_be32(args->fc_attrs.max_ops); /* max operations */ |
1781 | *p++ = cpu_to_be32(args->fc_attrs.max_reqs); /* max requests */ | |
1782 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ | |
fc931582 AA |
1783 | |
1784 | /* Back Channel */ | |
c9c30dd5 | 1785 | *p++ = cpu_to_be32(0); /* header padding size */ |
e75bc1c8 BH |
1786 | *p++ = cpu_to_be32(args->bc_attrs.max_rqst_sz); /* max req size */ |
1787 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz); /* max resp size */ | |
1788 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz_cached); /* Max resp sz cached */ | |
1789 | *p++ = cpu_to_be32(args->bc_attrs.max_ops); /* max operations */ | |
1790 | *p++ = cpu_to_be32(args->bc_attrs.max_reqs); /* max requests */ | |
1791 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ | |
fc931582 | 1792 | |
e75bc1c8 | 1793 | *p++ = cpu_to_be32(args->cb_program); /* cb_program */ |
e75bc1c8 | 1794 | *p++ = cpu_to_be32(1); |
e75bc1c8 | 1795 | *p++ = cpu_to_be32(RPC_AUTH_UNIX); /* auth_sys */ |
fc931582 AA |
1796 | |
1797 | /* authsys_parms rfc1831 */ | |
f092075d | 1798 | *p++ = (__be32)nn->boot_time.tv_nsec; /* stamp */ |
811652bd | 1799 | p = xdr_encode_opaque(p, machine_name, len); |
e75bc1c8 BH |
1800 | *p++ = cpu_to_be32(0); /* UID */ |
1801 | *p++ = cpu_to_be32(0); /* GID */ | |
34558513 | 1802 | *p = cpu_to_be32(0); /* No more gids */ |
fc931582 | 1803 | } |
0f3e66c6 AA |
1804 | |
1805 | static void encode_destroy_session(struct xdr_stream *xdr, | |
1806 | struct nfs4_session *session, | |
1807 | struct compound_hdr *hdr) | |
1808 | { | |
475d4ba0 TM |
1809 | encode_op_hdr(xdr, OP_DESTROY_SESSION, decode_destroy_session_maxsz, hdr); |
1810 | encode_opaque_fixed(xdr, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); | |
0f3e66c6 | 1811 | } |
18019753 | 1812 | |
66245539 TM |
1813 | static void encode_destroy_clientid(struct xdr_stream *xdr, |
1814 | uint64_t clientid, | |
1815 | struct compound_hdr *hdr) | |
1816 | { | |
1817 | encode_op_hdr(xdr, OP_DESTROY_CLIENTID, decode_destroy_clientid_maxsz, hdr); | |
1818 | encode_uint64(xdr, clientid); | |
1819 | } | |
1820 | ||
18019753 RL |
1821 | static void encode_reclaim_complete(struct xdr_stream *xdr, |
1822 | struct nfs41_reclaim_complete_args *args, | |
1823 | struct compound_hdr *hdr) | |
1824 | { | |
475d4ba0 TM |
1825 | encode_op_hdr(xdr, OP_RECLAIM_COMPLETE, decode_reclaim_complete_maxsz, hdr); |
1826 | encode_uint32(xdr, args->one_fs); | |
18019753 | 1827 | } |
99fe60d0 BH |
1828 | #endif /* CONFIG_NFS_V4_1 */ |
1829 | ||
9b7b9fcc AA |
1830 | static void encode_sequence(struct xdr_stream *xdr, |
1831 | const struct nfs4_sequence_args *args, | |
1832 | struct compound_hdr *hdr) | |
1833 | { | |
1834 | #if defined(CONFIG_NFS_V4_1) | |
1835 | struct nfs4_session *session = args->sa_session; | |
fc01cea9 AA |
1836 | struct nfs4_slot_table *tp; |
1837 | struct nfs4_slot *slot; | |
1838 | __be32 *p; | |
9b7b9fcc AA |
1839 | |
1840 | if (!session) | |
1841 | return; | |
1842 | ||
fc01cea9 AA |
1843 | tp = &session->fc_slot_table; |
1844 | ||
1845 | WARN_ON(args->sa_slotid == NFS4_MAX_SLOT_TABLE); | |
1846 | slot = tp->slots + args->sa_slotid; | |
1847 | ||
475d4ba0 | 1848 | encode_op_hdr(xdr, OP_SEQUENCE, decode_sequence_maxsz, hdr); |
fc01cea9 AA |
1849 | |
1850 | /* | |
1851 | * Sessionid + seqid + slotid + max slotid + cache_this | |
1852 | */ | |
1853 | dprintk("%s: sessionid=%u:%u:%u:%u seqid=%d slotid=%d " | |
1854 | "max_slotid=%d cache_this=%d\n", | |
1855 | __func__, | |
1856 | ((u32 *)session->sess_id.data)[0], | |
1857 | ((u32 *)session->sess_id.data)[1], | |
1858 | ((u32 *)session->sess_id.data)[2], | |
1859 | ((u32 *)session->sess_id.data)[3], | |
1860 | slot->seq_nr, args->sa_slotid, | |
1861 | tp->highest_used_slotid, args->sa_cache_this); | |
475d4ba0 | 1862 | p = reserve_space(xdr, NFS4_MAX_SESSIONID_LEN + 16); |
93f0cf25 | 1863 | p = xdr_encode_opaque_fixed(p, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); |
e75bc1c8 BH |
1864 | *p++ = cpu_to_be32(slot->seq_nr); |
1865 | *p++ = cpu_to_be32(args->sa_slotid); | |
1866 | *p++ = cpu_to_be32(tp->highest_used_slotid); | |
34558513 | 1867 | *p = cpu_to_be32(args->sa_cache_this); |
9b7b9fcc AA |
1868 | #endif /* CONFIG_NFS_V4_1 */ |
1869 | } | |
1870 | ||
b1f69b75 | 1871 | #ifdef CONFIG_NFS_V4_1 |
7f11d8d3 AA |
1872 | static void |
1873 | encode_getdevicelist(struct xdr_stream *xdr, | |
1874 | const struct nfs4_getdevicelist_args *args, | |
1875 | struct compound_hdr *hdr) | |
1876 | { | |
1877 | __be32 *p; | |
1878 | nfs4_verifier dummy = { | |
1879 | .data = "dummmmmy", | |
1880 | }; | |
1881 | ||
475d4ba0 TM |
1882 | encode_op_hdr(xdr, OP_GETDEVICELIST, decode_getdevicelist_maxsz, hdr); |
1883 | p = reserve_space(xdr, 16); | |
7f11d8d3 AA |
1884 | *p++ = cpu_to_be32(args->layoutclass); |
1885 | *p++ = cpu_to_be32(NFS4_PNFS_GETDEVLIST_MAXNUM); | |
1886 | xdr_encode_hyper(p, 0ULL); /* cookie */ | |
1887 | encode_nfs4_verifier(xdr, &dummy); | |
7f11d8d3 AA |
1888 | } |
1889 | ||
b1f69b75 AA |
1890 | static void |
1891 | encode_getdeviceinfo(struct xdr_stream *xdr, | |
1892 | const struct nfs4_getdeviceinfo_args *args, | |
1893 | struct compound_hdr *hdr) | |
1894 | { | |
1895 | __be32 *p; | |
1896 | ||
475d4ba0 TM |
1897 | encode_op_hdr(xdr, OP_GETDEVICEINFO, decode_getdeviceinfo_maxsz, hdr); |
1898 | p = reserve_space(xdr, 12 + NFS4_DEVICEID4_SIZE); | |
b1f69b75 AA |
1899 | p = xdr_encode_opaque_fixed(p, args->pdev->dev_id.data, |
1900 | NFS4_DEVICEID4_SIZE); | |
1901 | *p++ = cpu_to_be32(args->pdev->layout_type); | |
1902 | *p++ = cpu_to_be32(args->pdev->pglen); /* gdia_maxcount */ | |
1903 | *p++ = cpu_to_be32(0); /* bitmap length 0 */ | |
b1f69b75 AA |
1904 | } |
1905 | ||
1906 | static void | |
1907 | encode_layoutget(struct xdr_stream *xdr, | |
1908 | const struct nfs4_layoutget_args *args, | |
1909 | struct compound_hdr *hdr) | |
1910 | { | |
b1f69b75 AA |
1911 | __be32 *p; |
1912 | ||
475d4ba0 TM |
1913 | encode_op_hdr(xdr, OP_LAYOUTGET, decode_layoutget_maxsz, hdr); |
1914 | p = reserve_space(xdr, 36); | |
b1f69b75 AA |
1915 | *p++ = cpu_to_be32(0); /* Signal layout available */ |
1916 | *p++ = cpu_to_be32(args->type); | |
1917 | *p++ = cpu_to_be32(args->range.iomode); | |
1918 | p = xdr_encode_hyper(p, args->range.offset); | |
1919 | p = xdr_encode_hyper(p, args->range.length); | |
1920 | p = xdr_encode_hyper(p, args->minlength); | |
ea9d23f5 | 1921 | encode_nfs4_stateid(xdr, &args->stateid); |
475d4ba0 | 1922 | encode_uint32(xdr, args->maxcount); |
b1f69b75 AA |
1923 | |
1924 | dprintk("%s: 1st type:0x%x iomode:%d off:%lu len:%lu mc:%d\n", | |
1925 | __func__, | |
1926 | args->type, | |
1927 | args->range.iomode, | |
1928 | (unsigned long)args->range.offset, | |
1929 | (unsigned long)args->range.length, | |
1930 | args->maxcount); | |
b1f69b75 | 1931 | } |
863a3c6c AA |
1932 | |
1933 | static int | |
1934 | encode_layoutcommit(struct xdr_stream *xdr, | |
ac7db726 | 1935 | struct inode *inode, |
863a3c6c AA |
1936 | const struct nfs4_layoutcommit_args *args, |
1937 | struct compound_hdr *hdr) | |
1938 | { | |
1939 | __be32 *p; | |
1940 | ||
1941 | dprintk("%s: lbw: %llu type: %d\n", __func__, args->lastbytewritten, | |
1942 | NFS_SERVER(args->inode)->pnfs_curr_ld->id); | |
1943 | ||
475d4ba0 TM |
1944 | encode_op_hdr(xdr, OP_LAYOUTCOMMIT, decode_layoutcommit_maxsz, hdr); |
1945 | p = reserve_space(xdr, 20); | |
863a3c6c AA |
1946 | /* Only whole file layouts */ |
1947 | p = xdr_encode_hyper(p, 0); /* offset */ | |
3557c6c3 | 1948 | p = xdr_encode_hyper(p, args->lastbytewritten + 1); /* length */ |
ea9d23f5 TM |
1949 | *p = cpu_to_be32(0); /* reclaim */ |
1950 | encode_nfs4_stateid(xdr, &args->stateid); | |
1951 | p = reserve_space(xdr, 20); | |
863a3c6c AA |
1952 | *p++ = cpu_to_be32(1); /* newoffset = TRUE */ |
1953 | p = xdr_encode_hyper(p, args->lastbytewritten); | |
1954 | *p++ = cpu_to_be32(0); /* Never send time_modify_changed */ | |
1955 | *p++ = cpu_to_be32(NFS_SERVER(args->inode)->pnfs_curr_ld->id);/* type */ | |
ac7db726 BH |
1956 | |
1957 | if (NFS_SERVER(inode)->pnfs_curr_ld->encode_layoutcommit) | |
1958 | NFS_SERVER(inode)->pnfs_curr_ld->encode_layoutcommit( | |
1959 | NFS_I(inode)->layout, xdr, args); | |
475d4ba0 TM |
1960 | else |
1961 | encode_uint32(xdr, 0); /* no layout-type payload */ | |
863a3c6c | 1962 | |
863a3c6c AA |
1963 | return 0; |
1964 | } | |
cbe82603 BH |
1965 | |
1966 | static void | |
1967 | encode_layoutreturn(struct xdr_stream *xdr, | |
1968 | const struct nfs4_layoutreturn_args *args, | |
1969 | struct compound_hdr *hdr) | |
1970 | { | |
1971 | __be32 *p; | |
1972 | ||
475d4ba0 TM |
1973 | encode_op_hdr(xdr, OP_LAYOUTRETURN, decode_layoutreturn_maxsz, hdr); |
1974 | p = reserve_space(xdr, 16); | |
cbe82603 BH |
1975 | *p++ = cpu_to_be32(0); /* reclaim. always 0 for now */ |
1976 | *p++ = cpu_to_be32(args->layout_type); | |
1977 | *p++ = cpu_to_be32(IOMODE_ANY); | |
1978 | *p = cpu_to_be32(RETURN_FILE); | |
ea9d23f5 | 1979 | p = reserve_space(xdr, 16); |
cbe82603 BH |
1980 | p = xdr_encode_hyper(p, 0); |
1981 | p = xdr_encode_hyper(p, NFS4_MAX_UINT64); | |
1982 | spin_lock(&args->inode->i_lock); | |
ea9d23f5 | 1983 | encode_nfs4_stateid(xdr, &args->stateid); |
cbe82603 | 1984 | spin_unlock(&args->inode->i_lock); |
04a55549 AA |
1985 | if (NFS_SERVER(args->inode)->pnfs_curr_ld->encode_layoutreturn) { |
1986 | NFS_SERVER(args->inode)->pnfs_curr_ld->encode_layoutreturn( | |
1987 | NFS_I(args->inode)->layout, xdr, args); | |
475d4ba0 TM |
1988 | } else |
1989 | encode_uint32(xdr, 0); | |
cbe82603 | 1990 | } |
fca78d6d BS |
1991 | |
1992 | static int | |
1993 | encode_secinfo_no_name(struct xdr_stream *xdr, | |
1994 | const struct nfs41_secinfo_no_name_args *args, | |
1995 | struct compound_hdr *hdr) | |
1996 | { | |
475d4ba0 TM |
1997 | encode_op_hdr(xdr, OP_SECINFO_NO_NAME, decode_secinfo_no_name_maxsz, hdr); |
1998 | encode_uint32(xdr, args->style); | |
fca78d6d BS |
1999 | return 0; |
2000 | } | |
7d974794 BS |
2001 | |
2002 | static void encode_test_stateid(struct xdr_stream *xdr, | |
2003 | struct nfs41_test_stateid_args *args, | |
2004 | struct compound_hdr *hdr) | |
2005 | { | |
475d4ba0 TM |
2006 | encode_op_hdr(xdr, OP_TEST_STATEID, decode_test_stateid_maxsz, hdr); |
2007 | encode_uint32(xdr, 1); | |
ea9d23f5 | 2008 | encode_nfs4_stateid(xdr, args->stateid); |
7d974794 | 2009 | } |
9aeda35f BS |
2010 | |
2011 | static void encode_free_stateid(struct xdr_stream *xdr, | |
2012 | struct nfs41_free_stateid_args *args, | |
2013 | struct compound_hdr *hdr) | |
2014 | { | |
ab19b481 | 2015 | encode_op_hdr(xdr, OP_FREE_STATEID, decode_free_stateid_maxsz, hdr); |
ea9d23f5 | 2016 | encode_nfs4_stateid(xdr, args->stateid); |
9aeda35f | 2017 | } |
b1f69b75 AA |
2018 | #endif /* CONFIG_NFS_V4_1 */ |
2019 | ||
1da177e4 LT |
2020 | /* |
2021 | * END OF "GENERIC" ENCODE ROUTINES. | |
2022 | */ | |
2023 | ||
66cc0429 BH |
2024 | static u32 nfs4_xdr_minorversion(const struct nfs4_sequence_args *args) |
2025 | { | |
2026 | #if defined(CONFIG_NFS_V4_1) | |
2027 | if (args->sa_session) | |
a4432345 | 2028 | return args->sa_session->clp->cl_mvops->minor_version; |
66cc0429 BH |
2029 | #endif /* CONFIG_NFS_V4_1 */ |
2030 | return 0; | |
2031 | } | |
2032 | ||
1da177e4 LT |
2033 | /* |
2034 | * Encode an ACCESS request | |
2035 | */ | |
9f06c719 CL |
2036 | static void nfs4_xdr_enc_access(struct rpc_rqst *req, struct xdr_stream *xdr, |
2037 | const struct nfs4_accessargs *args) | |
1da177e4 | 2038 | { |
1da177e4 | 2039 | struct compound_hdr hdr = { |
66cc0429 | 2040 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2041 | }; |
1da177e4 | 2042 | |
9f06c719 CL |
2043 | encode_compound_hdr(xdr, req, &hdr); |
2044 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2045 | encode_putfh(xdr, args->fh, &hdr); | |
2046 | encode_access(xdr, args->access, &hdr); | |
2047 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2048 | encode_nops(&hdr); |
1da177e4 LT |
2049 | } |
2050 | ||
2051 | /* | |
2052 | * Encode LOOKUP request | |
2053 | */ | |
9f06c719 CL |
2054 | static void nfs4_xdr_enc_lookup(struct rpc_rqst *req, struct xdr_stream *xdr, |
2055 | const struct nfs4_lookup_arg *args) | |
1da177e4 | 2056 | { |
1da177e4 | 2057 | struct compound_hdr hdr = { |
66cc0429 | 2058 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2059 | }; |
1da177e4 | 2060 | |
9f06c719 CL |
2061 | encode_compound_hdr(xdr, req, &hdr); |
2062 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2063 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2064 | encode_lookup(xdr, args->name, &hdr); | |
2065 | encode_getfh(xdr, &hdr); | |
2066 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2067 | encode_nops(&hdr); |
1da177e4 LT |
2068 | } |
2069 | ||
2070 | /* | |
2071 | * Encode LOOKUP_ROOT request | |
2072 | */ | |
9f06c719 CL |
2073 | static void nfs4_xdr_enc_lookup_root(struct rpc_rqst *req, |
2074 | struct xdr_stream *xdr, | |
2075 | const struct nfs4_lookup_root_arg *args) | |
1da177e4 | 2076 | { |
1da177e4 | 2077 | struct compound_hdr hdr = { |
66cc0429 | 2078 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2079 | }; |
1da177e4 | 2080 | |
9f06c719 CL |
2081 | encode_compound_hdr(xdr, req, &hdr); |
2082 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2083 | encode_putrootfh(xdr, &hdr); | |
2084 | encode_getfh(xdr, &hdr); | |
2085 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2086 | encode_nops(&hdr); |
1da177e4 LT |
2087 | } |
2088 | ||
2089 | /* | |
2090 | * Encode REMOVE request | |
2091 | */ | |
9f06c719 CL |
2092 | static void nfs4_xdr_enc_remove(struct rpc_rqst *req, struct xdr_stream *xdr, |
2093 | const struct nfs_removeargs *args) | |
1da177e4 | 2094 | { |
1da177e4 | 2095 | struct compound_hdr hdr = { |
66cc0429 | 2096 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2097 | }; |
1da177e4 | 2098 | |
9f06c719 CL |
2099 | encode_compound_hdr(xdr, req, &hdr); |
2100 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2101 | encode_putfh(xdr, args->fh, &hdr); | |
2102 | encode_remove(xdr, &args->name, &hdr); | |
d017931c | 2103 | encode_nops(&hdr); |
1da177e4 LT |
2104 | } |
2105 | ||
2106 | /* | |
2107 | * Encode RENAME request | |
2108 | */ | |
9f06c719 CL |
2109 | static void nfs4_xdr_enc_rename(struct rpc_rqst *req, struct xdr_stream *xdr, |
2110 | const struct nfs_renameargs *args) | |
1da177e4 | 2111 | { |
1da177e4 | 2112 | struct compound_hdr hdr = { |
66cc0429 | 2113 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2114 | }; |
1da177e4 | 2115 | |
9f06c719 CL |
2116 | encode_compound_hdr(xdr, req, &hdr); |
2117 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2118 | encode_putfh(xdr, args->old_dir, &hdr); | |
2119 | encode_savefh(xdr, &hdr); | |
2120 | encode_putfh(xdr, args->new_dir, &hdr); | |
2121 | encode_rename(xdr, args->old_name, args->new_name, &hdr); | |
d017931c | 2122 | encode_nops(&hdr); |
1da177e4 LT |
2123 | } |
2124 | ||
2125 | /* | |
2126 | * Encode LINK request | |
2127 | */ | |
9f06c719 CL |
2128 | static void nfs4_xdr_enc_link(struct rpc_rqst *req, struct xdr_stream *xdr, |
2129 | const struct nfs4_link_arg *args) | |
1da177e4 | 2130 | { |
1da177e4 | 2131 | struct compound_hdr hdr = { |
66cc0429 | 2132 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2133 | }; |
1da177e4 | 2134 | |
9f06c719 CL |
2135 | encode_compound_hdr(xdr, req, &hdr); |
2136 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2137 | encode_putfh(xdr, args->fh, &hdr); | |
2138 | encode_savefh(xdr, &hdr); | |
2139 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2140 | encode_link(xdr, args->name, &hdr); | |
9f06c719 CL |
2141 | encode_restorefh(xdr, &hdr); |
2142 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2143 | encode_nops(&hdr); |
1da177e4 LT |
2144 | } |
2145 | ||
2146 | /* | |
2147 | * Encode CREATE request | |
2148 | */ | |
9f06c719 CL |
2149 | static void nfs4_xdr_enc_create(struct rpc_rqst *req, struct xdr_stream *xdr, |
2150 | const struct nfs4_create_arg *args) | |
1da177e4 | 2151 | { |
1da177e4 | 2152 | struct compound_hdr hdr = { |
66cc0429 | 2153 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2154 | }; |
1da177e4 | 2155 | |
9f06c719 CL |
2156 | encode_compound_hdr(xdr, req, &hdr); |
2157 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2158 | encode_putfh(xdr, args->dir_fh, &hdr); | |
9f06c719 CL |
2159 | encode_create(xdr, args, &hdr); |
2160 | encode_getfh(xdr, &hdr); | |
2161 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2162 | encode_nops(&hdr); |
1da177e4 LT |
2163 | } |
2164 | ||
2165 | /* | |
2166 | * Encode SYMLINK request | |
2167 | */ | |
9f06c719 CL |
2168 | static void nfs4_xdr_enc_symlink(struct rpc_rqst *req, struct xdr_stream *xdr, |
2169 | const struct nfs4_create_arg *args) | |
1da177e4 | 2170 | { |
9f06c719 | 2171 | nfs4_xdr_enc_create(req, xdr, args); |
1da177e4 LT |
2172 | } |
2173 | ||
2174 | /* | |
2175 | * Encode GETATTR request | |
2176 | */ | |
9f06c719 CL |
2177 | static void nfs4_xdr_enc_getattr(struct rpc_rqst *req, struct xdr_stream *xdr, |
2178 | const struct nfs4_getattr_arg *args) | |
1da177e4 | 2179 | { |
1da177e4 | 2180 | struct compound_hdr hdr = { |
66cc0429 | 2181 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2182 | }; |
1da177e4 | 2183 | |
9f06c719 CL |
2184 | encode_compound_hdr(xdr, req, &hdr); |
2185 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2186 | encode_putfh(xdr, args->fh, &hdr); | |
2187 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2188 | encode_nops(&hdr); |
1da177e4 LT |
2189 | } |
2190 | ||
2191 | /* | |
2192 | * Encode a CLOSE request | |
2193 | */ | |
9f06c719 CL |
2194 | static void nfs4_xdr_enc_close(struct rpc_rqst *req, struct xdr_stream *xdr, |
2195 | struct nfs_closeargs *args) | |
1da177e4 | 2196 | { |
05d564fe | 2197 | struct compound_hdr hdr = { |
66cc0429 | 2198 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 2199 | }; |
05d564fe | 2200 | |
9f06c719 CL |
2201 | encode_compound_hdr(xdr, req, &hdr); |
2202 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2203 | encode_putfh(xdr, args->fh, &hdr); | |
2204 | encode_close(xdr, args, &hdr); | |
2205 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2206 | encode_nops(&hdr); |
1da177e4 LT |
2207 | } |
2208 | ||
2209 | /* | |
2210 | * Encode an OPEN request | |
2211 | */ | |
9f06c719 CL |
2212 | static void nfs4_xdr_enc_open(struct rpc_rqst *req, struct xdr_stream *xdr, |
2213 | struct nfs_openargs *args) | |
1da177e4 | 2214 | { |
1da177e4 | 2215 | struct compound_hdr hdr = { |
66cc0429 | 2216 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2217 | }; |
1da177e4 | 2218 | |
9f06c719 CL |
2219 | encode_compound_hdr(xdr, req, &hdr); |
2220 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2221 | encode_putfh(xdr, args->fh, &hdr); | |
9f06c719 CL |
2222 | encode_open(xdr, args, &hdr); |
2223 | encode_getfh(xdr, &hdr); | |
88034c3d | 2224 | encode_getfattr_open(xdr, args->bitmask, &hdr); |
d017931c | 2225 | encode_nops(&hdr); |
1da177e4 LT |
2226 | } |
2227 | ||
2228 | /* | |
2229 | * Encode an OPEN_CONFIRM request | |
2230 | */ | |
9f06c719 CL |
2231 | static void nfs4_xdr_enc_open_confirm(struct rpc_rqst *req, |
2232 | struct xdr_stream *xdr, | |
2233 | struct nfs_open_confirmargs *args) | |
1da177e4 | 2234 | { |
1da177e4 | 2235 | struct compound_hdr hdr = { |
d017931c | 2236 | .nops = 0, |
1da177e4 | 2237 | }; |
1da177e4 | 2238 | |
9f06c719 CL |
2239 | encode_compound_hdr(xdr, req, &hdr); |
2240 | encode_putfh(xdr, args->fh, &hdr); | |
2241 | encode_open_confirm(xdr, args, &hdr); | |
d017931c | 2242 | encode_nops(&hdr); |
1da177e4 LT |
2243 | } |
2244 | ||
2245 | /* | |
2246 | * Encode an OPEN request with no attributes. | |
2247 | */ | |
9f06c719 CL |
2248 | static void nfs4_xdr_enc_open_noattr(struct rpc_rqst *req, |
2249 | struct xdr_stream *xdr, | |
2250 | struct nfs_openargs *args) | |
1da177e4 | 2251 | { |
1da177e4 | 2252 | struct compound_hdr hdr = { |
66cc0429 | 2253 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2254 | }; |
1da177e4 | 2255 | |
9f06c719 CL |
2256 | encode_compound_hdr(xdr, req, &hdr); |
2257 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2258 | encode_putfh(xdr, args->fh, &hdr); | |
2259 | encode_open(xdr, args, &hdr); | |
2260 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2261 | encode_nops(&hdr); |
1da177e4 LT |
2262 | } |
2263 | ||
2264 | /* | |
2265 | * Encode an OPEN_DOWNGRADE request | |
2266 | */ | |
9f06c719 CL |
2267 | static void nfs4_xdr_enc_open_downgrade(struct rpc_rqst *req, |
2268 | struct xdr_stream *xdr, | |
2269 | struct nfs_closeargs *args) | |
1da177e4 | 2270 | { |
1da177e4 | 2271 | struct compound_hdr hdr = { |
66cc0429 | 2272 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2273 | }; |
1da177e4 | 2274 | |
9f06c719 CL |
2275 | encode_compound_hdr(xdr, req, &hdr); |
2276 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2277 | encode_putfh(xdr, args->fh, &hdr); | |
2278 | encode_open_downgrade(xdr, args, &hdr); | |
2279 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2280 | encode_nops(&hdr); |
1da177e4 LT |
2281 | } |
2282 | ||
2283 | /* | |
2284 | * Encode a LOCK request | |
2285 | */ | |
9f06c719 CL |
2286 | static void nfs4_xdr_enc_lock(struct rpc_rqst *req, struct xdr_stream *xdr, |
2287 | struct nfs_lock_args *args) | |
1da177e4 | 2288 | { |
1da177e4 | 2289 | struct compound_hdr hdr = { |
66cc0429 | 2290 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2291 | }; |
1da177e4 | 2292 | |
9f06c719 CL |
2293 | encode_compound_hdr(xdr, req, &hdr); |
2294 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2295 | encode_putfh(xdr, args->fh, &hdr); | |
2296 | encode_lock(xdr, args, &hdr); | |
d017931c | 2297 | encode_nops(&hdr); |
1da177e4 LT |
2298 | } |
2299 | ||
2300 | /* | |
2301 | * Encode a LOCKT request | |
2302 | */ | |
9f06c719 CL |
2303 | static void nfs4_xdr_enc_lockt(struct rpc_rqst *req, struct xdr_stream *xdr, |
2304 | struct nfs_lockt_args *args) | |
1da177e4 | 2305 | { |
1da177e4 | 2306 | struct compound_hdr hdr = { |
66cc0429 | 2307 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2308 | }; |
1da177e4 | 2309 | |
9f06c719 CL |
2310 | encode_compound_hdr(xdr, req, &hdr); |
2311 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2312 | encode_putfh(xdr, args->fh, &hdr); | |
2313 | encode_lockt(xdr, args, &hdr); | |
d017931c | 2314 | encode_nops(&hdr); |
1da177e4 LT |
2315 | } |
2316 | ||
2317 | /* | |
2318 | * Encode a LOCKU request | |
2319 | */ | |
9f06c719 CL |
2320 | static void nfs4_xdr_enc_locku(struct rpc_rqst *req, struct xdr_stream *xdr, |
2321 | struct nfs_locku_args *args) | |
1da177e4 | 2322 | { |
1da177e4 | 2323 | struct compound_hdr hdr = { |
66cc0429 | 2324 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2325 | }; |
1da177e4 | 2326 | |
9f06c719 CL |
2327 | encode_compound_hdr(xdr, req, &hdr); |
2328 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2329 | encode_putfh(xdr, args->fh, &hdr); | |
2330 | encode_locku(xdr, args, &hdr); | |
d017931c | 2331 | encode_nops(&hdr); |
1da177e4 LT |
2332 | } |
2333 | ||
9f06c719 CL |
2334 | static void nfs4_xdr_enc_release_lockowner(struct rpc_rqst *req, |
2335 | struct xdr_stream *xdr, | |
2336 | struct nfs_release_lockowner_args *args) | |
d3c7b7cc | 2337 | { |
d3c7b7cc TM |
2338 | struct compound_hdr hdr = { |
2339 | .minorversion = 0, | |
2340 | }; | |
2341 | ||
9f06c719 CL |
2342 | encode_compound_hdr(xdr, req, &hdr); |
2343 | encode_release_lockowner(xdr, &args->lock_owner, &hdr); | |
d3c7b7cc | 2344 | encode_nops(&hdr); |
d3c7b7cc TM |
2345 | } |
2346 | ||
1da177e4 LT |
2347 | /* |
2348 | * Encode a READLINK request | |
2349 | */ | |
9f06c719 CL |
2350 | static void nfs4_xdr_enc_readlink(struct rpc_rqst *req, struct xdr_stream *xdr, |
2351 | const struct nfs4_readlink *args) | |
1da177e4 | 2352 | { |
1da177e4 | 2353 | struct compound_hdr hdr = { |
66cc0429 | 2354 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2355 | }; |
1da177e4 | 2356 | |
9f06c719 CL |
2357 | encode_compound_hdr(xdr, req, &hdr); |
2358 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2359 | encode_putfh(xdr, args->fh, &hdr); | |
2360 | encode_readlink(xdr, args, req, &hdr); | |
e3a535e1 | 2361 | |
28f56694 | 2362 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, |
e3a535e1 | 2363 | args->pgbase, args->pglen); |
d017931c | 2364 | encode_nops(&hdr); |
1da177e4 LT |
2365 | } |
2366 | ||
2367 | /* | |
2368 | * Encode a READDIR request | |
2369 | */ | |
9f06c719 CL |
2370 | static void nfs4_xdr_enc_readdir(struct rpc_rqst *req, struct xdr_stream *xdr, |
2371 | const struct nfs4_readdir_arg *args) | |
1da177e4 | 2372 | { |
1da177e4 | 2373 | struct compound_hdr hdr = { |
66cc0429 | 2374 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2375 | }; |
1da177e4 | 2376 | |
9f06c719 CL |
2377 | encode_compound_hdr(xdr, req, &hdr); |
2378 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2379 | encode_putfh(xdr, args->fh, &hdr); | |
2380 | encode_readdir(xdr, args, req, &hdr); | |
d6ac02df | 2381 | |
28f56694 | 2382 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, |
d6ac02df TM |
2383 | args->pgbase, args->count); |
2384 | dprintk("%s: inlined page args = (%u, %p, %u, %u)\n", | |
28f56694 | 2385 | __func__, hdr.replen << 2, args->pages, |
d6ac02df | 2386 | args->pgbase, args->count); |
d017931c | 2387 | encode_nops(&hdr); |
1da177e4 LT |
2388 | } |
2389 | ||
2390 | /* | |
2391 | * Encode a READ request | |
2392 | */ | |
9f06c719 CL |
2393 | static void nfs4_xdr_enc_read(struct rpc_rqst *req, struct xdr_stream *xdr, |
2394 | struct nfs_readargs *args) | |
1da177e4 | 2395 | { |
1da177e4 | 2396 | struct compound_hdr hdr = { |
66cc0429 | 2397 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2398 | }; |
1da177e4 | 2399 | |
9f06c719 CL |
2400 | encode_compound_hdr(xdr, req, &hdr); |
2401 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2402 | encode_putfh(xdr, args->fh, &hdr); | |
2403 | encode_read(xdr, args, &hdr); | |
1da177e4 | 2404 | |
28f56694 | 2405 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, |
1da177e4 | 2406 | args->pages, args->pgbase, args->count); |
4f22ccc3 | 2407 | req->rq_rcv_buf.flags |= XDRBUF_READ; |
d017931c | 2408 | encode_nops(&hdr); |
1da177e4 LT |
2409 | } |
2410 | ||
2411 | /* | |
2412 | * Encode an SETATTR request | |
2413 | */ | |
9f06c719 CL |
2414 | static void nfs4_xdr_enc_setattr(struct rpc_rqst *req, struct xdr_stream *xdr, |
2415 | struct nfs_setattrargs *args) | |
1da177e4 | 2416 | { |
05d564fe | 2417 | struct compound_hdr hdr = { |
66cc0429 | 2418 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 2419 | }; |
05d564fe | 2420 | |
9f06c719 CL |
2421 | encode_compound_hdr(xdr, req, &hdr); |
2422 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2423 | encode_putfh(xdr, args->fh, &hdr); | |
2424 | encode_setattr(xdr, args, args->server, &hdr); | |
2425 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2426 | encode_nops(&hdr); |
1da177e4 LT |
2427 | } |
2428 | ||
029d105e BF |
2429 | /* |
2430 | * Encode a GETACL request | |
2431 | */ | |
9f06c719 CL |
2432 | static void nfs4_xdr_enc_getacl(struct rpc_rqst *req, struct xdr_stream *xdr, |
2433 | struct nfs_getaclargs *args) | |
029d105e | 2434 | { |
029d105e | 2435 | struct compound_hdr hdr = { |
66cc0429 | 2436 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
029d105e | 2437 | }; |
28f56694 | 2438 | uint32_t replen; |
029d105e | 2439 | |
9f06c719 CL |
2440 | encode_compound_hdr(xdr, req, &hdr); |
2441 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2442 | encode_putfh(xdr, args->fh, &hdr); | |
bf118a34 | 2443 | replen = hdr.replen + op_decode_hdr_maxsz + 1; |
9f06c719 | 2444 | encode_getattr_two(xdr, FATTR4_WORD0_ACL, 0, &hdr); |
cf8cdbe5 | 2445 | |
28f56694 | 2446 | xdr_inline_pages(&req->rq_rcv_buf, replen << 2, |
029d105e | 2447 | args->acl_pages, args->acl_pgbase, args->acl_len); |
bf118a34 | 2448 | |
d017931c | 2449 | encode_nops(&hdr); |
029d105e BF |
2450 | } |
2451 | ||
1da177e4 LT |
2452 | /* |
2453 | * Encode a WRITE request | |
2454 | */ | |
9f06c719 CL |
2455 | static void nfs4_xdr_enc_write(struct rpc_rqst *req, struct xdr_stream *xdr, |
2456 | struct nfs_writeargs *args) | |
1da177e4 | 2457 | { |
1da177e4 | 2458 | struct compound_hdr hdr = { |
66cc0429 | 2459 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2460 | }; |
1da177e4 | 2461 | |
9f06c719 CL |
2462 | encode_compound_hdr(xdr, req, &hdr); |
2463 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2464 | encode_putfh(xdr, args->fh, &hdr); | |
2465 | encode_write(xdr, args, &hdr); | |
4f22ccc3 | 2466 | req->rq_snd_buf.flags |= XDRBUF_WRITE; |
7ffd1064 FI |
2467 | if (args->bitmask) |
2468 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2469 | encode_nops(&hdr); |
1da177e4 LT |
2470 | } |
2471 | ||
2472 | /* | |
2473 | * a COMMIT request | |
2474 | */ | |
9f06c719 | 2475 | static void nfs4_xdr_enc_commit(struct rpc_rqst *req, struct xdr_stream *xdr, |
0b7c0153 | 2476 | struct nfs_commitargs *args) |
1da177e4 | 2477 | { |
1da177e4 | 2478 | struct compound_hdr hdr = { |
66cc0429 | 2479 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2480 | }; |
1da177e4 | 2481 | |
9f06c719 CL |
2482 | encode_compound_hdr(xdr, req, &hdr); |
2483 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2484 | encode_putfh(xdr, args->fh, &hdr); | |
2485 | encode_commit(xdr, args, &hdr); | |
d017931c | 2486 | encode_nops(&hdr); |
1da177e4 LT |
2487 | } |
2488 | ||
2489 | /* | |
2490 | * FSINFO request | |
2491 | */ | |
9f06c719 CL |
2492 | static void nfs4_xdr_enc_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, |
2493 | struct nfs4_fsinfo_arg *args) | |
1da177e4 | 2494 | { |
1da177e4 | 2495 | struct compound_hdr hdr = { |
66cc0429 | 2496 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2497 | }; |
1da177e4 | 2498 | |
9f06c719 CL |
2499 | encode_compound_hdr(xdr, req, &hdr); |
2500 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2501 | encode_putfh(xdr, args->fh, &hdr); | |
2502 | encode_fsinfo(xdr, args->bitmask, &hdr); | |
d017931c | 2503 | encode_nops(&hdr); |
1da177e4 LT |
2504 | } |
2505 | ||
2506 | /* | |
2507 | * a PATHCONF request | |
2508 | */ | |
9f06c719 CL |
2509 | static void nfs4_xdr_enc_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, |
2510 | const struct nfs4_pathconf_arg *args) | |
1da177e4 | 2511 | { |
1da177e4 | 2512 | struct compound_hdr hdr = { |
66cc0429 | 2513 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2514 | }; |
1da177e4 | 2515 | |
9f06c719 CL |
2516 | encode_compound_hdr(xdr, req, &hdr); |
2517 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2518 | encode_putfh(xdr, args->fh, &hdr); | |
2519 | encode_getattr_one(xdr, args->bitmask[0] & nfs4_pathconf_bitmap[0], | |
cf8cdbe5 | 2520 | &hdr); |
d017931c | 2521 | encode_nops(&hdr); |
1da177e4 LT |
2522 | } |
2523 | ||
2524 | /* | |
2525 | * a STATFS request | |
2526 | */ | |
9f06c719 CL |
2527 | static void nfs4_xdr_enc_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, |
2528 | const struct nfs4_statfs_arg *args) | |
1da177e4 | 2529 | { |
1da177e4 | 2530 | struct compound_hdr hdr = { |
66cc0429 | 2531 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2532 | }; |
1da177e4 | 2533 | |
9f06c719 CL |
2534 | encode_compound_hdr(xdr, req, &hdr); |
2535 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2536 | encode_putfh(xdr, args->fh, &hdr); | |
2537 | encode_getattr_two(xdr, args->bitmask[0] & nfs4_statfs_bitmap[0], | |
cf8cdbe5 | 2538 | args->bitmask[1] & nfs4_statfs_bitmap[1], &hdr); |
d017931c | 2539 | encode_nops(&hdr); |
1da177e4 LT |
2540 | } |
2541 | ||
2542 | /* | |
2543 | * GETATTR_BITMAP request | |
2544 | */ | |
9f06c719 CL |
2545 | static void nfs4_xdr_enc_server_caps(struct rpc_rqst *req, |
2546 | struct xdr_stream *xdr, | |
2547 | struct nfs4_server_caps_arg *args) | |
1da177e4 | 2548 | { |
1da177e4 | 2549 | struct compound_hdr hdr = { |
66cc0429 | 2550 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2551 | }; |
1da177e4 | 2552 | |
9f06c719 CL |
2553 | encode_compound_hdr(xdr, req, &hdr); |
2554 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2555 | encode_putfh(xdr, args->fhandle, &hdr); | |
2556 | encode_getattr_one(xdr, FATTR4_WORD0_SUPPORTED_ATTRS| | |
264e6351 | 2557 | FATTR4_WORD0_FH_EXPIRE_TYPE| |
cf8cdbe5 AA |
2558 | FATTR4_WORD0_LINK_SUPPORT| |
2559 | FATTR4_WORD0_SYMLINK_SUPPORT| | |
2560 | FATTR4_WORD0_ACLSUPPORT, &hdr); | |
d017931c | 2561 | encode_nops(&hdr); |
1da177e4 LT |
2562 | } |
2563 | ||
2564 | /* | |
2565 | * a RENEW request | |
2566 | */ | |
9f06c719 CL |
2567 | static void nfs4_xdr_enc_renew(struct rpc_rqst *req, struct xdr_stream *xdr, |
2568 | struct nfs_client *clp) | |
1da177e4 | 2569 | { |
1da177e4 | 2570 | struct compound_hdr hdr = { |
d017931c | 2571 | .nops = 0, |
1da177e4 LT |
2572 | }; |
2573 | ||
9f06c719 | 2574 | encode_compound_hdr(xdr, req, &hdr); |
bb4dae5e | 2575 | encode_renew(xdr, clp->cl_clientid, &hdr); |
d017931c | 2576 | encode_nops(&hdr); |
1da177e4 LT |
2577 | } |
2578 | ||
2579 | /* | |
2580 | * a SETCLIENTID request | |
2581 | */ | |
9f06c719 CL |
2582 | static void nfs4_xdr_enc_setclientid(struct rpc_rqst *req, |
2583 | struct xdr_stream *xdr, | |
2584 | struct nfs4_setclientid *sc) | |
1da177e4 | 2585 | { |
1da177e4 | 2586 | struct compound_hdr hdr = { |
d017931c | 2587 | .nops = 0, |
1da177e4 LT |
2588 | }; |
2589 | ||
9f06c719 CL |
2590 | encode_compound_hdr(xdr, req, &hdr); |
2591 | encode_setclientid(xdr, sc, &hdr); | |
d017931c | 2592 | encode_nops(&hdr); |
1da177e4 LT |
2593 | } |
2594 | ||
2595 | /* | |
2596 | * a SETCLIENTID_CONFIRM request | |
2597 | */ | |
9f06c719 CL |
2598 | static void nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, |
2599 | struct xdr_stream *xdr, | |
2600 | struct nfs4_setclientid_res *arg) | |
1da177e4 | 2601 | { |
1da177e4 | 2602 | struct compound_hdr hdr = { |
d017931c | 2603 | .nops = 0, |
1da177e4 | 2604 | }; |
dae100c2 | 2605 | const u32 lease_bitmap[3] = { FATTR4_WORD0_LEASE_TIME }; |
1da177e4 | 2606 | |
9f06c719 CL |
2607 | encode_compound_hdr(xdr, req, &hdr); |
2608 | encode_setclientid_confirm(xdr, arg, &hdr); | |
2609 | encode_putrootfh(xdr, &hdr); | |
2610 | encode_fsinfo(xdr, lease_bitmap, &hdr); | |
d017931c | 2611 | encode_nops(&hdr); |
1da177e4 LT |
2612 | } |
2613 | ||
2614 | /* | |
2615 | * DELEGRETURN request | |
2616 | */ | |
9f06c719 CL |
2617 | static void nfs4_xdr_enc_delegreturn(struct rpc_rqst *req, |
2618 | struct xdr_stream *xdr, | |
2619 | const struct nfs4_delegreturnargs *args) | |
1da177e4 | 2620 | { |
1da177e4 | 2621 | struct compound_hdr hdr = { |
66cc0429 | 2622 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2623 | }; |
1da177e4 | 2624 | |
9f06c719 CL |
2625 | encode_compound_hdr(xdr, req, &hdr); |
2626 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2627 | encode_putfh(xdr, args->fhandle, &hdr); | |
9f06c719 | 2628 | encode_getfattr(xdr, args->bitmask, &hdr); |
e144cbcc | 2629 | encode_delegreturn(xdr, args->stateid, &hdr); |
d017931c | 2630 | encode_nops(&hdr); |
1da177e4 LT |
2631 | } |
2632 | ||
683b57b4 TM |
2633 | /* |
2634 | * Encode FS_LOCATIONS request | |
2635 | */ | |
9f06c719 CL |
2636 | static void nfs4_xdr_enc_fs_locations(struct rpc_rqst *req, |
2637 | struct xdr_stream *xdr, | |
2638 | struct nfs4_fs_locations_arg *args) | |
683b57b4 | 2639 | { |
683b57b4 | 2640 | struct compound_hdr hdr = { |
66cc0429 | 2641 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
683b57b4 | 2642 | }; |
28f56694 | 2643 | uint32_t replen; |
683b57b4 | 2644 | |
9f06c719 CL |
2645 | encode_compound_hdr(xdr, req, &hdr); |
2646 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2647 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2648 | encode_lookup(xdr, args->name, &hdr); | |
28f56694 | 2649 | replen = hdr.replen; /* get the attribute into args->page */ |
9f06c719 | 2650 | encode_fs_locations(xdr, args->bitmask, &hdr); |
cf8cdbe5 | 2651 | |
28f56694 | 2652 | xdr_inline_pages(&req->rq_rcv_buf, replen << 2, &args->page, |
683b57b4 | 2653 | 0, PAGE_SIZE); |
d017931c | 2654 | encode_nops(&hdr); |
683b57b4 TM |
2655 | } |
2656 | ||
5a5ea0d4 BS |
2657 | /* |
2658 | * Encode SECINFO request | |
2659 | */ | |
2660 | static void nfs4_xdr_enc_secinfo(struct rpc_rqst *req, | |
2661 | struct xdr_stream *xdr, | |
2662 | struct nfs4_secinfo_arg *args) | |
2663 | { | |
2664 | struct compound_hdr hdr = { | |
2665 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2666 | }; | |
2667 | ||
2668 | encode_compound_hdr(xdr, req, &hdr); | |
2669 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2670 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2671 | encode_secinfo(xdr, args->name, &hdr); | |
2672 | encode_nops(&hdr); | |
2673 | } | |
2674 | ||
99fe60d0 | 2675 | #if defined(CONFIG_NFS_V4_1) |
7c44f1ae WAA |
2676 | /* |
2677 | * BIND_CONN_TO_SESSION request | |
2678 | */ | |
2679 | static void nfs4_xdr_enc_bind_conn_to_session(struct rpc_rqst *req, | |
2680 | struct xdr_stream *xdr, | |
2681 | struct nfs_client *clp) | |
2682 | { | |
2683 | struct compound_hdr hdr = { | |
2684 | .minorversion = clp->cl_mvops->minor_version, | |
2685 | }; | |
2686 | ||
2687 | encode_compound_hdr(xdr, req, &hdr); | |
2688 | encode_bind_conn_to_session(xdr, clp->cl_session, &hdr); | |
2689 | encode_nops(&hdr); | |
2690 | } | |
2691 | ||
99fe60d0 BH |
2692 | /* |
2693 | * EXCHANGE_ID request | |
2694 | */ | |
9f06c719 CL |
2695 | static void nfs4_xdr_enc_exchange_id(struct rpc_rqst *req, |
2696 | struct xdr_stream *xdr, | |
2697 | struct nfs41_exchange_id_args *args) | |
99fe60d0 | 2698 | { |
99fe60d0 | 2699 | struct compound_hdr hdr = { |
a4432345 | 2700 | .minorversion = args->client->cl_mvops->minor_version, |
99fe60d0 BH |
2701 | }; |
2702 | ||
9f06c719 CL |
2703 | encode_compound_hdr(xdr, req, &hdr); |
2704 | encode_exchange_id(xdr, args, &hdr); | |
99fe60d0 | 2705 | encode_nops(&hdr); |
99fe60d0 | 2706 | } |
2050f0cc | 2707 | |
fc931582 AA |
2708 | /* |
2709 | * a CREATE_SESSION request | |
2710 | */ | |
9f06c719 CL |
2711 | static void nfs4_xdr_enc_create_session(struct rpc_rqst *req, |
2712 | struct xdr_stream *xdr, | |
2713 | struct nfs41_create_session_args *args) | |
fc931582 | 2714 | { |
fc931582 | 2715 | struct compound_hdr hdr = { |
a4432345 | 2716 | .minorversion = args->client->cl_mvops->minor_version, |
fc931582 AA |
2717 | }; |
2718 | ||
9f06c719 CL |
2719 | encode_compound_hdr(xdr, req, &hdr); |
2720 | encode_create_session(xdr, args, &hdr); | |
fc931582 | 2721 | encode_nops(&hdr); |
fc931582 AA |
2722 | } |
2723 | ||
0f3e66c6 AA |
2724 | /* |
2725 | * a DESTROY_SESSION request | |
2726 | */ | |
9f06c719 CL |
2727 | static void nfs4_xdr_enc_destroy_session(struct rpc_rqst *req, |
2728 | struct xdr_stream *xdr, | |
2729 | struct nfs4_session *session) | |
0f3e66c6 | 2730 | { |
0f3e66c6 | 2731 | struct compound_hdr hdr = { |
a4432345 | 2732 | .minorversion = session->clp->cl_mvops->minor_version, |
0f3e66c6 AA |
2733 | }; |
2734 | ||
9f06c719 CL |
2735 | encode_compound_hdr(xdr, req, &hdr); |
2736 | encode_destroy_session(xdr, session, &hdr); | |
0f3e66c6 | 2737 | encode_nops(&hdr); |
0f3e66c6 AA |
2738 | } |
2739 | ||
66245539 TM |
2740 | /* |
2741 | * a DESTROY_CLIENTID request | |
2742 | */ | |
2743 | static void nfs4_xdr_enc_destroy_clientid(struct rpc_rqst *req, | |
2744 | struct xdr_stream *xdr, | |
2745 | struct nfs_client *clp) | |
2746 | { | |
2747 | struct compound_hdr hdr = { | |
2748 | .minorversion = clp->cl_mvops->minor_version, | |
2749 | }; | |
2750 | ||
2751 | encode_compound_hdr(xdr, req, &hdr); | |
2752 | encode_destroy_clientid(xdr, clp->cl_clientid, &hdr); | |
2753 | encode_nops(&hdr); | |
2754 | } | |
2755 | ||
fc01cea9 AA |
2756 | /* |
2757 | * a SEQUENCE request | |
2758 | */ | |
9f06c719 CL |
2759 | static void nfs4_xdr_enc_sequence(struct rpc_rqst *req, struct xdr_stream *xdr, |
2760 | struct nfs4_sequence_args *args) | |
fc01cea9 | 2761 | { |
fc01cea9 AA |
2762 | struct compound_hdr hdr = { |
2763 | .minorversion = nfs4_xdr_minorversion(args), | |
2764 | }; | |
2765 | ||
9f06c719 CL |
2766 | encode_compound_hdr(xdr, req, &hdr); |
2767 | encode_sequence(xdr, args, &hdr); | |
fc01cea9 | 2768 | encode_nops(&hdr); |
fc01cea9 AA |
2769 | } |
2770 | ||
2050f0cc AA |
2771 | /* |
2772 | * a GET_LEASE_TIME request | |
2773 | */ | |
9f06c719 CL |
2774 | static void nfs4_xdr_enc_get_lease_time(struct rpc_rqst *req, |
2775 | struct xdr_stream *xdr, | |
2776 | struct nfs4_get_lease_time_args *args) | |
2050f0cc | 2777 | { |
2050f0cc AA |
2778 | struct compound_hdr hdr = { |
2779 | .minorversion = nfs4_xdr_minorversion(&args->la_seq_args), | |
2780 | }; | |
dae100c2 | 2781 | const u32 lease_bitmap[3] = { FATTR4_WORD0_LEASE_TIME }; |
2050f0cc | 2782 | |
9f06c719 CL |
2783 | encode_compound_hdr(xdr, req, &hdr); |
2784 | encode_sequence(xdr, &args->la_seq_args, &hdr); | |
2785 | encode_putrootfh(xdr, &hdr); | |
2786 | encode_fsinfo(xdr, lease_bitmap, &hdr); | |
2050f0cc | 2787 | encode_nops(&hdr); |
2050f0cc | 2788 | } |
18019753 RL |
2789 | |
2790 | /* | |
2791 | * a RECLAIM_COMPLETE request | |
2792 | */ | |
9f06c719 CL |
2793 | static void nfs4_xdr_enc_reclaim_complete(struct rpc_rqst *req, |
2794 | struct xdr_stream *xdr, | |
2795 | struct nfs41_reclaim_complete_args *args) | |
18019753 | 2796 | { |
18019753 RL |
2797 | struct compound_hdr hdr = { |
2798 | .minorversion = nfs4_xdr_minorversion(&args->seq_args) | |
2799 | }; | |
2800 | ||
9f06c719 CL |
2801 | encode_compound_hdr(xdr, req, &hdr); |
2802 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2803 | encode_reclaim_complete(xdr, args, &hdr); | |
18019753 | 2804 | encode_nops(&hdr); |
18019753 RL |
2805 | } |
2806 | ||
7f11d8d3 AA |
2807 | /* |
2808 | * Encode GETDEVICELIST request | |
2809 | */ | |
2810 | static void nfs4_xdr_enc_getdevicelist(struct rpc_rqst *req, | |
2811 | struct xdr_stream *xdr, | |
2812 | struct nfs4_getdevicelist_args *args) | |
2813 | { | |
2814 | struct compound_hdr hdr = { | |
2815 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2816 | }; | |
2817 | ||
2818 | encode_compound_hdr(xdr, req, &hdr); | |
2819 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2820 | encode_putfh(xdr, args->fh, &hdr); | |
2821 | encode_getdevicelist(xdr, args, &hdr); | |
2822 | encode_nops(&hdr); | |
2823 | } | |
2824 | ||
b1f69b75 AA |
2825 | /* |
2826 | * Encode GETDEVICEINFO request | |
2827 | */ | |
9f06c719 CL |
2828 | static void nfs4_xdr_enc_getdeviceinfo(struct rpc_rqst *req, |
2829 | struct xdr_stream *xdr, | |
2830 | struct nfs4_getdeviceinfo_args *args) | |
b1f69b75 | 2831 | { |
b1f69b75 AA |
2832 | struct compound_hdr hdr = { |
2833 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2834 | }; | |
2835 | ||
9f06c719 CL |
2836 | encode_compound_hdr(xdr, req, &hdr); |
2837 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2838 | encode_getdeviceinfo(xdr, args, &hdr); | |
b1f69b75 AA |
2839 | |
2840 | /* set up reply kvec. Subtract notification bitmap max size (2) | |
2841 | * so that notification bitmap is put in xdr_buf tail */ | |
2842 | xdr_inline_pages(&req->rq_rcv_buf, (hdr.replen - 2) << 2, | |
2843 | args->pdev->pages, args->pdev->pgbase, | |
2844 | args->pdev->pglen); | |
2845 | ||
2846 | encode_nops(&hdr); | |
b1f69b75 AA |
2847 | } |
2848 | ||
2849 | /* | |
2850 | * Encode LAYOUTGET request | |
2851 | */ | |
9f06c719 CL |
2852 | static void nfs4_xdr_enc_layoutget(struct rpc_rqst *req, |
2853 | struct xdr_stream *xdr, | |
2854 | struct nfs4_layoutget_args *args) | |
b1f69b75 | 2855 | { |
b1f69b75 AA |
2856 | struct compound_hdr hdr = { |
2857 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2858 | }; | |
2859 | ||
9f06c719 CL |
2860 | encode_compound_hdr(xdr, req, &hdr); |
2861 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2862 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
2863 | encode_layoutget(xdr, args, &hdr); | |
35124a09 WAA |
2864 | |
2865 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, | |
2866 | args->layout.pages, 0, args->layout.pglen); | |
2867 | ||
b1f69b75 | 2868 | encode_nops(&hdr); |
b1f69b75 | 2869 | } |
863a3c6c AA |
2870 | |
2871 | /* | |
2872 | * Encode LAYOUTCOMMIT request | |
2873 | */ | |
cbe82603 BH |
2874 | static void nfs4_xdr_enc_layoutcommit(struct rpc_rqst *req, |
2875 | struct xdr_stream *xdr, | |
2876 | struct nfs4_layoutcommit_args *args) | |
863a3c6c | 2877 | { |
ac7db726 BH |
2878 | struct nfs4_layoutcommit_data *data = |
2879 | container_of(args, struct nfs4_layoutcommit_data, args); | |
863a3c6c AA |
2880 | struct compound_hdr hdr = { |
2881 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2882 | }; | |
2883 | ||
2884 | encode_compound_hdr(xdr, req, &hdr); | |
2885 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2886 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
ac7db726 | 2887 | encode_layoutcommit(xdr, data->args.inode, args, &hdr); |
863a3c6c | 2888 | encode_getfattr(xdr, args->bitmask, &hdr); |
b1f69b75 | 2889 | encode_nops(&hdr); |
cbe82603 BH |
2890 | } |
2891 | ||
2892 | /* | |
2893 | * Encode LAYOUTRETURN request | |
2894 | */ | |
2895 | static void nfs4_xdr_enc_layoutreturn(struct rpc_rqst *req, | |
2896 | struct xdr_stream *xdr, | |
2897 | struct nfs4_layoutreturn_args *args) | |
2898 | { | |
2899 | struct compound_hdr hdr = { | |
2900 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2901 | }; | |
2902 | ||
2903 | encode_compound_hdr(xdr, req, &hdr); | |
2904 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2905 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
2906 | encode_layoutreturn(xdr, args, &hdr); | |
2907 | encode_nops(&hdr); | |
b1f69b75 | 2908 | } |
fca78d6d BS |
2909 | |
2910 | /* | |
2911 | * Encode SECINFO_NO_NAME request | |
2912 | */ | |
2913 | static int nfs4_xdr_enc_secinfo_no_name(struct rpc_rqst *req, | |
2914 | struct xdr_stream *xdr, | |
2915 | struct nfs41_secinfo_no_name_args *args) | |
2916 | { | |
2917 | struct compound_hdr hdr = { | |
2918 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2919 | }; | |
2920 | ||
2921 | encode_compound_hdr(xdr, req, &hdr); | |
2922 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2923 | encode_putrootfh(xdr, &hdr); | |
2924 | encode_secinfo_no_name(xdr, args, &hdr); | |
2925 | encode_nops(&hdr); | |
2926 | return 0; | |
2927 | } | |
7d974794 BS |
2928 | |
2929 | /* | |
2930 | * Encode TEST_STATEID request | |
2931 | */ | |
2932 | static void nfs4_xdr_enc_test_stateid(struct rpc_rqst *req, | |
2933 | struct xdr_stream *xdr, | |
2934 | struct nfs41_test_stateid_args *args) | |
2935 | { | |
2936 | struct compound_hdr hdr = { | |
2937 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2938 | }; | |
2939 | ||
2940 | encode_compound_hdr(xdr, req, &hdr); | |
2941 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2942 | encode_test_stateid(xdr, args, &hdr); | |
2943 | encode_nops(&hdr); | |
2944 | } | |
9aeda35f BS |
2945 | |
2946 | /* | |
2947 | * Encode FREE_STATEID request | |
2948 | */ | |
2949 | static void nfs4_xdr_enc_free_stateid(struct rpc_rqst *req, | |
2950 | struct xdr_stream *xdr, | |
2951 | struct nfs41_free_stateid_args *args) | |
2952 | { | |
2953 | struct compound_hdr hdr = { | |
2954 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2955 | }; | |
2956 | ||
2957 | encode_compound_hdr(xdr, req, &hdr); | |
2958 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2959 | encode_free_stateid(xdr, args, &hdr); | |
2960 | encode_nops(&hdr); | |
2961 | } | |
99fe60d0 BH |
2962 | #endif /* CONFIG_NFS_V4_1 */ |
2963 | ||
686841b3 BH |
2964 | static void print_overflow_msg(const char *func, const struct xdr_stream *xdr) |
2965 | { | |
2966 | dprintk("nfs: %s: prematurely hit end of receive buffer. " | |
2967 | "Remaining buffer length is %tu words.\n", | |
2968 | func, xdr->end - xdr->p); | |
2969 | } | |
1da177e4 | 2970 | |
683b57b4 | 2971 | static int decode_opaque_inline(struct xdr_stream *xdr, unsigned int *len, char **string) |
1da177e4 | 2972 | { |
8687b63a | 2973 | __be32 *p; |
1da177e4 | 2974 | |
c0eae66e BH |
2975 | p = xdr_inline_decode(xdr, 4); |
2976 | if (unlikely(!p)) | |
2977 | goto out_overflow; | |
cccddf4f | 2978 | *len = be32_to_cpup(p); |
c0eae66e BH |
2979 | p = xdr_inline_decode(xdr, *len); |
2980 | if (unlikely(!p)) | |
2981 | goto out_overflow; | |
1da177e4 LT |
2982 | *string = (char *)p; |
2983 | return 0; | |
c0eae66e BH |
2984 | out_overflow: |
2985 | print_overflow_msg(__func__, xdr); | |
2986 | return -EIO; | |
1da177e4 LT |
2987 | } |
2988 | ||
2989 | static int decode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr) | |
2990 | { | |
8687b63a | 2991 | __be32 *p; |
1da177e4 | 2992 | |
c0eae66e BH |
2993 | p = xdr_inline_decode(xdr, 8); |
2994 | if (unlikely(!p)) | |
2995 | goto out_overflow; | |
6f723f77 | 2996 | hdr->status = be32_to_cpup(p++); |
cccddf4f | 2997 | hdr->taglen = be32_to_cpup(p); |
6c0195a4 | 2998 | |
c0eae66e BH |
2999 | p = xdr_inline_decode(xdr, hdr->taglen + 4); |
3000 | if (unlikely(!p)) | |
3001 | goto out_overflow; | |
1da177e4 LT |
3002 | hdr->tag = (char *)p; |
3003 | p += XDR_QUADLEN(hdr->taglen); | |
cccddf4f | 3004 | hdr->nops = be32_to_cpup(p); |
aadf6152 BH |
3005 | if (unlikely(hdr->nops < 1)) |
3006 | return nfs4_stat_to_errno(hdr->status); | |
1da177e4 | 3007 | return 0; |
c0eae66e BH |
3008 | out_overflow: |
3009 | print_overflow_msg(__func__, xdr); | |
3010 | return -EIO; | |
1da177e4 LT |
3011 | } |
3012 | ||
3013 | static int decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected) | |
3014 | { | |
8687b63a | 3015 | __be32 *p; |
1da177e4 LT |
3016 | uint32_t opnum; |
3017 | int32_t nfserr; | |
3018 | ||
c0eae66e BH |
3019 | p = xdr_inline_decode(xdr, 8); |
3020 | if (unlikely(!p)) | |
3021 | goto out_overflow; | |
6f723f77 | 3022 | opnum = be32_to_cpup(p++); |
1da177e4 | 3023 | if (opnum != expected) { |
fe82a183 CL |
3024 | dprintk("nfs: Server returned operation" |
3025 | " %d but we issued a request for %d\n", | |
1da177e4 LT |
3026 | opnum, expected); |
3027 | return -EIO; | |
3028 | } | |
cccddf4f | 3029 | nfserr = be32_to_cpup(p); |
1da177e4 | 3030 | if (nfserr != NFS_OK) |
856dff3d | 3031 | return nfs4_stat_to_errno(nfserr); |
1da177e4 | 3032 | return 0; |
c0eae66e BH |
3033 | out_overflow: |
3034 | print_overflow_msg(__func__, xdr); | |
3035 | return -EIO; | |
1da177e4 LT |
3036 | } |
3037 | ||
3038 | /* Dummy routine */ | |
adfa6f98 | 3039 | static int decode_ace(struct xdr_stream *xdr, void *ace, struct nfs_client *clp) |
1da177e4 | 3040 | { |
8687b63a | 3041 | __be32 *p; |
683b57b4 | 3042 | unsigned int strlen; |
1da177e4 LT |
3043 | char *str; |
3044 | ||
c0eae66e BH |
3045 | p = xdr_inline_decode(xdr, 12); |
3046 | if (likely(p)) | |
3047 | return decode_opaque_inline(xdr, &strlen, &str); | |
3048 | print_overflow_msg(__func__, xdr); | |
3049 | return -EIO; | |
1da177e4 LT |
3050 | } |
3051 | ||
3052 | static int decode_attr_bitmap(struct xdr_stream *xdr, uint32_t *bitmap) | |
3053 | { | |
8687b63a AV |
3054 | uint32_t bmlen; |
3055 | __be32 *p; | |
1da177e4 | 3056 | |
c0eae66e BH |
3057 | p = xdr_inline_decode(xdr, 4); |
3058 | if (unlikely(!p)) | |
3059 | goto out_overflow; | |
cccddf4f | 3060 | bmlen = be32_to_cpup(p); |
1da177e4 | 3061 | |
dae100c2 | 3062 | bitmap[0] = bitmap[1] = bitmap[2] = 0; |
c0eae66e BH |
3063 | p = xdr_inline_decode(xdr, (bmlen << 2)); |
3064 | if (unlikely(!p)) | |
3065 | goto out_overflow; | |
1da177e4 | 3066 | if (bmlen > 0) { |
6f723f77 | 3067 | bitmap[0] = be32_to_cpup(p++); |
dae100c2 FI |
3068 | if (bmlen > 1) { |
3069 | bitmap[1] = be32_to_cpup(p++); | |
3070 | if (bmlen > 2) | |
3071 | bitmap[2] = be32_to_cpup(p); | |
3072 | } | |
1da177e4 LT |
3073 | } |
3074 | return 0; | |
c0eae66e BH |
3075 | out_overflow: |
3076 | print_overflow_msg(__func__, xdr); | |
3077 | return -EIO; | |
1da177e4 LT |
3078 | } |
3079 | ||
8687b63a | 3080 | static inline int decode_attr_length(struct xdr_stream *xdr, uint32_t *attrlen, __be32 **savep) |
1da177e4 | 3081 | { |
8687b63a | 3082 | __be32 *p; |
1da177e4 | 3083 | |
c0eae66e BH |
3084 | p = xdr_inline_decode(xdr, 4); |
3085 | if (unlikely(!p)) | |
3086 | goto out_overflow; | |
cccddf4f | 3087 | *attrlen = be32_to_cpup(p); |
1da177e4 LT |
3088 | *savep = xdr->p; |
3089 | return 0; | |
c0eae66e BH |
3090 | out_overflow: |
3091 | print_overflow_msg(__func__, xdr); | |
3092 | return -EIO; | |
1da177e4 LT |
3093 | } |
3094 | ||
3095 | static int decode_attr_supported(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *bitmask) | |
3096 | { | |
3097 | if (likely(bitmap[0] & FATTR4_WORD0_SUPPORTED_ATTRS)) { | |
3388bff5 RB |
3098 | int ret; |
3099 | ret = decode_attr_bitmap(xdr, bitmask); | |
3100 | if (unlikely(ret < 0)) | |
3101 | return ret; | |
1da177e4 LT |
3102 | bitmap[0] &= ~FATTR4_WORD0_SUPPORTED_ATTRS; |
3103 | } else | |
dae100c2 FI |
3104 | bitmask[0] = bitmask[1] = bitmask[2] = 0; |
3105 | dprintk("%s: bitmask=%08x:%08x:%08x\n", __func__, | |
3106 | bitmask[0], bitmask[1], bitmask[2]); | |
1da177e4 LT |
3107 | return 0; |
3108 | } | |
3109 | ||
3110 | static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *type) | |
3111 | { | |
8687b63a | 3112 | __be32 *p; |
409924e4 | 3113 | int ret = 0; |
1da177e4 LT |
3114 | |
3115 | *type = 0; | |
3116 | if (unlikely(bitmap[0] & (FATTR4_WORD0_TYPE - 1U))) | |
3117 | return -EIO; | |
3118 | if (likely(bitmap[0] & FATTR4_WORD0_TYPE)) { | |
c0eae66e BH |
3119 | p = xdr_inline_decode(xdr, 4); |
3120 | if (unlikely(!p)) | |
3121 | goto out_overflow; | |
cccddf4f | 3122 | *type = be32_to_cpup(p); |
1da177e4 | 3123 | if (*type < NF4REG || *type > NF4NAMEDATTR) { |
3110ff80 | 3124 | dprintk("%s: bad type %d\n", __func__, *type); |
1da177e4 LT |
3125 | return -EIO; |
3126 | } | |
3127 | bitmap[0] &= ~FATTR4_WORD0_TYPE; | |
409924e4 | 3128 | ret = NFS_ATTR_FATTR_TYPE; |
1da177e4 | 3129 | } |
bca79478 | 3130 | dprintk("%s: type=0%o\n", __func__, nfs_type2fmt[*type]); |
409924e4 | 3131 | return ret; |
c0eae66e BH |
3132 | out_overflow: |
3133 | print_overflow_msg(__func__, xdr); | |
3134 | return -EIO; | |
1da177e4 LT |
3135 | } |
3136 | ||
264e6351 CL |
3137 | static int decode_attr_fh_expire_type(struct xdr_stream *xdr, |
3138 | uint32_t *bitmap, uint32_t *type) | |
3139 | { | |
3140 | __be32 *p; | |
3141 | ||
3142 | *type = 0; | |
3143 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FH_EXPIRE_TYPE - 1U))) | |
3144 | return -EIO; | |
3145 | if (likely(bitmap[0] & FATTR4_WORD0_FH_EXPIRE_TYPE)) { | |
3146 | p = xdr_inline_decode(xdr, 4); | |
3147 | if (unlikely(!p)) | |
3148 | goto out_overflow; | |
3149 | *type = be32_to_cpup(p); | |
3150 | bitmap[0] &= ~FATTR4_WORD0_FH_EXPIRE_TYPE; | |
3151 | } | |
3152 | dprintk("%s: expire type=0x%x\n", __func__, *type); | |
3153 | return 0; | |
3154 | out_overflow: | |
3155 | print_overflow_msg(__func__, xdr); | |
3156 | return -EIO; | |
3157 | } | |
3158 | ||
1da177e4 LT |
3159 | static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *change) |
3160 | { | |
8687b63a | 3161 | __be32 *p; |
409924e4 | 3162 | int ret = 0; |
1da177e4 LT |
3163 | |
3164 | *change = 0; | |
3165 | if (unlikely(bitmap[0] & (FATTR4_WORD0_CHANGE - 1U))) | |
3166 | return -EIO; | |
3167 | if (likely(bitmap[0] & FATTR4_WORD0_CHANGE)) { | |
c0eae66e BH |
3168 | p = xdr_inline_decode(xdr, 8); |
3169 | if (unlikely(!p)) | |
3170 | goto out_overflow; | |
cccddf4f | 3171 | xdr_decode_hyper(p, change); |
1da177e4 | 3172 | bitmap[0] &= ~FATTR4_WORD0_CHANGE; |
409924e4 | 3173 | ret = NFS_ATTR_FATTR_CHANGE; |
1da177e4 | 3174 | } |
3110ff80 | 3175 | dprintk("%s: change attribute=%Lu\n", __func__, |
1da177e4 | 3176 | (unsigned long long)*change); |
409924e4 | 3177 | return ret; |
c0eae66e BH |
3178 | out_overflow: |
3179 | print_overflow_msg(__func__, xdr); | |
3180 | return -EIO; | |
1da177e4 LT |
3181 | } |
3182 | ||
3183 | static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *size) | |
3184 | { | |
8687b63a | 3185 | __be32 *p; |
409924e4 | 3186 | int ret = 0; |
1da177e4 LT |
3187 | |
3188 | *size = 0; | |
3189 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SIZE - 1U))) | |
3190 | return -EIO; | |
3191 | if (likely(bitmap[0] & FATTR4_WORD0_SIZE)) { | |
c0eae66e BH |
3192 | p = xdr_inline_decode(xdr, 8); |
3193 | if (unlikely(!p)) | |
3194 | goto out_overflow; | |
cccddf4f | 3195 | xdr_decode_hyper(p, size); |
1da177e4 | 3196 | bitmap[0] &= ~FATTR4_WORD0_SIZE; |
409924e4 | 3197 | ret = NFS_ATTR_FATTR_SIZE; |
1da177e4 | 3198 | } |
3110ff80 | 3199 | dprintk("%s: file size=%Lu\n", __func__, (unsigned long long)*size); |
409924e4 | 3200 | return ret; |
c0eae66e BH |
3201 | out_overflow: |
3202 | print_overflow_msg(__func__, xdr); | |
3203 | return -EIO; | |
1da177e4 LT |
3204 | } |
3205 | ||
3206 | static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3207 | { | |
8687b63a | 3208 | __be32 *p; |
1da177e4 LT |
3209 | |
3210 | *res = 0; | |
3211 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LINK_SUPPORT - 1U))) | |
3212 | return -EIO; | |
3213 | if (likely(bitmap[0] & FATTR4_WORD0_LINK_SUPPORT)) { | |
c0eae66e BH |
3214 | p = xdr_inline_decode(xdr, 4); |
3215 | if (unlikely(!p)) | |
3216 | goto out_overflow; | |
cccddf4f | 3217 | *res = be32_to_cpup(p); |
1da177e4 LT |
3218 | bitmap[0] &= ~FATTR4_WORD0_LINK_SUPPORT; |
3219 | } | |
3110ff80 | 3220 | dprintk("%s: link support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 | 3221 | return 0; |
c0eae66e BH |
3222 | out_overflow: |
3223 | print_overflow_msg(__func__, xdr); | |
3224 | return -EIO; | |
1da177e4 LT |
3225 | } |
3226 | ||
3227 | static int decode_attr_symlink_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3228 | { | |
8687b63a | 3229 | __be32 *p; |
1da177e4 LT |
3230 | |
3231 | *res = 0; | |
3232 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SYMLINK_SUPPORT - 1U))) | |
3233 | return -EIO; | |
3234 | if (likely(bitmap[0] & FATTR4_WORD0_SYMLINK_SUPPORT)) { | |
c0eae66e BH |
3235 | p = xdr_inline_decode(xdr, 4); |
3236 | if (unlikely(!p)) | |
3237 | goto out_overflow; | |
cccddf4f | 3238 | *res = be32_to_cpup(p); |
1da177e4 LT |
3239 | bitmap[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT; |
3240 | } | |
3110ff80 | 3241 | dprintk("%s: symlink support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 | 3242 | return 0; |
c0eae66e BH |
3243 | out_overflow: |
3244 | print_overflow_msg(__func__, xdr); | |
3245 | return -EIO; | |
1da177e4 LT |
3246 | } |
3247 | ||
8b4bdcf8 | 3248 | static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fsid *fsid) |
1da177e4 | 3249 | { |
8687b63a | 3250 | __be32 *p; |
409924e4 | 3251 | int ret = 0; |
1da177e4 LT |
3252 | |
3253 | fsid->major = 0; | |
3254 | fsid->minor = 0; | |
3255 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FSID - 1U))) | |
3256 | return -EIO; | |
3257 | if (likely(bitmap[0] & FATTR4_WORD0_FSID)) { | |
c0eae66e BH |
3258 | p = xdr_inline_decode(xdr, 16); |
3259 | if (unlikely(!p)) | |
3260 | goto out_overflow; | |
3ceb4dbb | 3261 | p = xdr_decode_hyper(p, &fsid->major); |
cccddf4f | 3262 | xdr_decode_hyper(p, &fsid->minor); |
1da177e4 | 3263 | bitmap[0] &= ~FATTR4_WORD0_FSID; |
409924e4 | 3264 | ret = NFS_ATTR_FATTR_FSID; |
1da177e4 | 3265 | } |
3110ff80 | 3266 | dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __func__, |
1da177e4 LT |
3267 | (unsigned long long)fsid->major, |
3268 | (unsigned long long)fsid->minor); | |
409924e4 | 3269 | return ret; |
c0eae66e BH |
3270 | out_overflow: |
3271 | print_overflow_msg(__func__, xdr); | |
3272 | return -EIO; | |
1da177e4 LT |
3273 | } |
3274 | ||
3275 | static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3276 | { | |
8687b63a | 3277 | __be32 *p; |
1da177e4 LT |
3278 | |
3279 | *res = 60; | |
3280 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LEASE_TIME - 1U))) | |
3281 | return -EIO; | |
3282 | if (likely(bitmap[0] & FATTR4_WORD0_LEASE_TIME)) { | |
c0eae66e BH |
3283 | p = xdr_inline_decode(xdr, 4); |
3284 | if (unlikely(!p)) | |
3285 | goto out_overflow; | |
cccddf4f | 3286 | *res = be32_to_cpup(p); |
1da177e4 LT |
3287 | bitmap[0] &= ~FATTR4_WORD0_LEASE_TIME; |
3288 | } | |
3110ff80 | 3289 | dprintk("%s: file size=%u\n", __func__, (unsigned int)*res); |
1da177e4 | 3290 | return 0; |
c0eae66e BH |
3291 | out_overflow: |
3292 | print_overflow_msg(__func__, xdr); | |
3293 | return -EIO; | |
1da177e4 LT |
3294 | } |
3295 | ||
ee7b75fc | 3296 | static int decode_attr_error(struct xdr_stream *xdr, uint32_t *bitmap, int32_t *res) |
ae42c70a BS |
3297 | { |
3298 | __be32 *p; | |
3299 | ||
3300 | if (unlikely(bitmap[0] & (FATTR4_WORD0_RDATTR_ERROR - 1U))) | |
3301 | return -EIO; | |
3302 | if (likely(bitmap[0] & FATTR4_WORD0_RDATTR_ERROR)) { | |
3303 | p = xdr_inline_decode(xdr, 4); | |
3304 | if (unlikely(!p)) | |
3305 | goto out_overflow; | |
3306 | bitmap[0] &= ~FATTR4_WORD0_RDATTR_ERROR; | |
ee7b75fc | 3307 | *res = -be32_to_cpup(p); |
ae42c70a BS |
3308 | } |
3309 | return 0; | |
3310 | out_overflow: | |
3311 | print_overflow_msg(__func__, xdr); | |
3312 | return -EIO; | |
3313 | } | |
3314 | ||
3315 | static int decode_attr_filehandle(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fh *fh) | |
3316 | { | |
3317 | __be32 *p; | |
3318 | int len; | |
3319 | ||
7ad07353 TM |
3320 | if (fh != NULL) |
3321 | memset(fh, 0, sizeof(*fh)); | |
ae42c70a BS |
3322 | |
3323 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEHANDLE - 1U))) | |
3324 | return -EIO; | |
3325 | if (likely(bitmap[0] & FATTR4_WORD0_FILEHANDLE)) { | |
3326 | p = xdr_inline_decode(xdr, 4); | |
3327 | if (unlikely(!p)) | |
3328 | goto out_overflow; | |
3329 | len = be32_to_cpup(p); | |
3330 | if (len > NFS4_FHSIZE) | |
3331 | return -EIO; | |
ae42c70a BS |
3332 | p = xdr_inline_decode(xdr, len); |
3333 | if (unlikely(!p)) | |
3334 | goto out_overflow; | |
7ad07353 TM |
3335 | if (fh != NULL) { |
3336 | memcpy(fh->data, p, len); | |
3337 | fh->size = len; | |
3338 | } | |
ae42c70a BS |
3339 | bitmap[0] &= ~FATTR4_WORD0_FILEHANDLE; |
3340 | } | |
3341 | return 0; | |
3342 | out_overflow: | |
3343 | print_overflow_msg(__func__, xdr); | |
3344 | return -EIO; | |
3345 | } | |
3346 | ||
1da177e4 LT |
3347 | static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) |
3348 | { | |
8687b63a | 3349 | __be32 *p; |
1da177e4 LT |
3350 | |
3351 | *res = ACL4_SUPPORT_ALLOW_ACL|ACL4_SUPPORT_DENY_ACL; | |
3352 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACLSUPPORT - 1U))) | |
3353 | return -EIO; | |
3354 | if (likely(bitmap[0] & FATTR4_WORD0_ACLSUPPORT)) { | |
c0eae66e BH |
3355 | p = xdr_inline_decode(xdr, 4); |
3356 | if (unlikely(!p)) | |
3357 | goto out_overflow; | |
cccddf4f | 3358 | *res = be32_to_cpup(p); |
1da177e4 LT |
3359 | bitmap[0] &= ~FATTR4_WORD0_ACLSUPPORT; |
3360 | } | |
3110ff80 | 3361 | dprintk("%s: ACLs supported=%u\n", __func__, (unsigned int)*res); |
1da177e4 | 3362 | return 0; |
c0eae66e BH |
3363 | out_overflow: |
3364 | print_overflow_msg(__func__, xdr); | |
3365 | return -EIO; | |
1da177e4 LT |
3366 | } |
3367 | ||
3368 | static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) | |
3369 | { | |
8687b63a | 3370 | __be32 *p; |
409924e4 | 3371 | int ret = 0; |
1da177e4 LT |
3372 | |
3373 | *fileid = 0; | |
3374 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEID - 1U))) | |
3375 | return -EIO; | |
3376 | if (likely(bitmap[0] & FATTR4_WORD0_FILEID)) { | |
c0eae66e BH |
3377 | p = xdr_inline_decode(xdr, 8); |
3378 | if (unlikely(!p)) | |
3379 | goto out_overflow; | |
cccddf4f | 3380 | xdr_decode_hyper(p, fileid); |
1da177e4 | 3381 | bitmap[0] &= ~FATTR4_WORD0_FILEID; |
409924e4 | 3382 | ret = NFS_ATTR_FATTR_FILEID; |
1da177e4 | 3383 | } |
3110ff80 | 3384 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
409924e4 | 3385 | return ret; |
c0eae66e BH |
3386 | out_overflow: |
3387 | print_overflow_msg(__func__, xdr); | |
3388 | return -EIO; | |
1da177e4 LT |
3389 | } |
3390 | ||
99baf625 MN |
3391 | static int decode_attr_mounted_on_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) |
3392 | { | |
8687b63a | 3393 | __be32 *p; |
409924e4 | 3394 | int ret = 0; |
99baf625 MN |
3395 | |
3396 | *fileid = 0; | |
3397 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MOUNTED_ON_FILEID - 1U))) | |
3398 | return -EIO; | |
3399 | if (likely(bitmap[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) { | |
c0eae66e BH |
3400 | p = xdr_inline_decode(xdr, 8); |
3401 | if (unlikely(!p)) | |
3402 | goto out_overflow; | |
cccddf4f | 3403 | xdr_decode_hyper(p, fileid); |
99baf625 | 3404 | bitmap[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID; |
28331a46 | 3405 | ret = NFS_ATTR_FATTR_MOUNTED_ON_FILEID; |
99baf625 | 3406 | } |
3110ff80 | 3407 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
409924e4 | 3408 | return ret; |
c0eae66e BH |
3409 | out_overflow: |
3410 | print_overflow_msg(__func__, xdr); | |
3411 | return -EIO; | |
99baf625 MN |
3412 | } |
3413 | ||
1da177e4 LT |
3414 | static int decode_attr_files_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
3415 | { | |
8687b63a | 3416 | __be32 *p; |
1da177e4 LT |
3417 | int status = 0; |
3418 | ||
3419 | *res = 0; | |
3420 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_AVAIL - 1U))) | |
3421 | return -EIO; | |
3422 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_AVAIL)) { | |
c0eae66e BH |
3423 | p = xdr_inline_decode(xdr, 8); |
3424 | if (unlikely(!p)) | |
3425 | goto out_overflow; | |
cccddf4f | 3426 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3427 | bitmap[0] &= ~FATTR4_WORD0_FILES_AVAIL; |
3428 | } | |
3110ff80 | 3429 | dprintk("%s: files avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3430 | return status; |
c0eae66e BH |
3431 | out_overflow: |
3432 | print_overflow_msg(__func__, xdr); | |
3433 | return -EIO; | |
1da177e4 LT |
3434 | } |
3435 | ||
3436 | static int decode_attr_files_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3437 | { | |
8687b63a | 3438 | __be32 *p; |
1da177e4 LT |
3439 | int status = 0; |
3440 | ||
3441 | *res = 0; | |
3442 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_FREE - 1U))) | |
3443 | return -EIO; | |
3444 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_FREE)) { | |
c0eae66e BH |
3445 | p = xdr_inline_decode(xdr, 8); |
3446 | if (unlikely(!p)) | |
3447 | goto out_overflow; | |
cccddf4f | 3448 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3449 | bitmap[0] &= ~FATTR4_WORD0_FILES_FREE; |
3450 | } | |
3110ff80 | 3451 | dprintk("%s: files free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3452 | return status; |
c0eae66e BH |
3453 | out_overflow: |
3454 | print_overflow_msg(__func__, xdr); | |
3455 | return -EIO; | |
1da177e4 LT |
3456 | } |
3457 | ||
3458 | static int decode_attr_files_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3459 | { | |
8687b63a | 3460 | __be32 *p; |
1da177e4 LT |
3461 | int status = 0; |
3462 | ||
3463 | *res = 0; | |
3464 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_TOTAL - 1U))) | |
3465 | return -EIO; | |
3466 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_TOTAL)) { | |
c0eae66e BH |
3467 | p = xdr_inline_decode(xdr, 8); |
3468 | if (unlikely(!p)) | |
3469 | goto out_overflow; | |
cccddf4f | 3470 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3471 | bitmap[0] &= ~FATTR4_WORD0_FILES_TOTAL; |
3472 | } | |
3110ff80 | 3473 | dprintk("%s: files total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3474 | return status; |
c0eae66e BH |
3475 | out_overflow: |
3476 | print_overflow_msg(__func__, xdr); | |
3477 | return -EIO; | |
1da177e4 LT |
3478 | } |
3479 | ||
7aaa0b3b MN |
3480 | static int decode_pathname(struct xdr_stream *xdr, struct nfs4_pathname *path) |
3481 | { | |
464ad6b1 | 3482 | u32 n; |
8687b63a | 3483 | __be32 *p; |
7aaa0b3b MN |
3484 | int status = 0; |
3485 | ||
c0eae66e BH |
3486 | p = xdr_inline_decode(xdr, 4); |
3487 | if (unlikely(!p)) | |
3488 | goto out_overflow; | |
cccddf4f | 3489 | n = be32_to_cpup(p); |
33a43f28 AA |
3490 | if (n == 0) |
3491 | goto root_path; | |
02a2976c | 3492 | dprintk("pathname4: "); |
7aaa0b3b MN |
3493 | path->ncomponents = 0; |
3494 | while (path->ncomponents < n) { | |
3495 | struct nfs4_string *component = &path->components[path->ncomponents]; | |
3496 | status = decode_opaque_inline(xdr, &component->len, &component->data); | |
3497 | if (unlikely(status != 0)) | |
3498 | goto out_eio; | |
95a13f7b | 3499 | ifdebug (XDR) |
02a2976c CL |
3500 | pr_cont("%s%.*s ", |
3501 | (path->ncomponents != n ? "/ " : ""), | |
3502 | component->len, component->data); | |
7aaa0b3b MN |
3503 | if (path->ncomponents < NFS4_PATHNAME_MAXCOMPONENTS) |
3504 | path->ncomponents++; | |
3505 | else { | |
3506 | dprintk("cannot parse %d components in path\n", n); | |
3507 | goto out_eio; | |
3508 | } | |
3509 | } | |
3510 | out: | |
7aaa0b3b | 3511 | return status; |
33a43f28 AA |
3512 | root_path: |
3513 | /* a root pathname is sent as a zero component4 */ | |
3514 | path->ncomponents = 1; | |
3515 | path->components[0].len=0; | |
3516 | path->components[0].data=NULL; | |
02a2976c | 3517 | dprintk("pathname4: /\n"); |
33a43f28 | 3518 | goto out; |
7aaa0b3b MN |
3519 | out_eio: |
3520 | dprintk(" status %d", status); | |
3521 | status = -EIO; | |
3522 | goto out; | |
c0eae66e BH |
3523 | out_overflow: |
3524 | print_overflow_msg(__func__, xdr); | |
3525 | return -EIO; | |
7aaa0b3b MN |
3526 | } |
3527 | ||
3528 | static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_fs_locations *res) | |
683b57b4 TM |
3529 | { |
3530 | int n; | |
8687b63a | 3531 | __be32 *p; |
683b57b4 TM |
3532 | int status = -EIO; |
3533 | ||
3534 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FS_LOCATIONS -1U))) | |
3535 | goto out; | |
3536 | status = 0; | |
3537 | if (unlikely(!(bitmap[0] & FATTR4_WORD0_FS_LOCATIONS))) | |
3538 | goto out; | |
8b7e3f49 TM |
3539 | status = -EIO; |
3540 | /* Ignore borken servers that return unrequested attrs */ | |
3541 | if (unlikely(res == NULL)) | |
3542 | goto out; | |
02a2976c | 3543 | dprintk("%s: fsroot:\n", __func__); |
7aaa0b3b | 3544 | status = decode_pathname(xdr, &res->fs_path); |
683b57b4 TM |
3545 | if (unlikely(status != 0)) |
3546 | goto out; | |
c0eae66e BH |
3547 | p = xdr_inline_decode(xdr, 4); |
3548 | if (unlikely(!p)) | |
3549 | goto out_overflow; | |
cccddf4f | 3550 | n = be32_to_cpup(p); |
683b57b4 TM |
3551 | if (n <= 0) |
3552 | goto out_eio; | |
3553 | res->nlocations = 0; | |
3554 | while (res->nlocations < n) { | |
464ad6b1 | 3555 | u32 m; |
7aaa0b3b | 3556 | struct nfs4_fs_location *loc = &res->locations[res->nlocations]; |
683b57b4 | 3557 | |
c0eae66e BH |
3558 | p = xdr_inline_decode(xdr, 4); |
3559 | if (unlikely(!p)) | |
3560 | goto out_overflow; | |
cccddf4f | 3561 | m = be32_to_cpup(p); |
7aaa0b3b MN |
3562 | |
3563 | loc->nservers = 0; | |
02a2976c | 3564 | dprintk("%s: servers:\n", __func__); |
7aaa0b3b MN |
3565 | while (loc->nservers < m) { |
3566 | struct nfs4_string *server = &loc->servers[loc->nservers]; | |
3567 | status = decode_opaque_inline(xdr, &server->len, &server->data); | |
3568 | if (unlikely(status != 0)) | |
3569 | goto out_eio; | |
3570 | dprintk("%s ", server->data); | |
3571 | if (loc->nservers < NFS4_FS_LOCATION_MAXSERVERS) | |
3572 | loc->nservers++; | |
3573 | else { | |
464ad6b1 CL |
3574 | unsigned int i; |
3575 | dprintk("%s: using first %u of %u servers " | |
3576 | "returned for location %u\n", | |
3110ff80 | 3577 | __func__, |
464ad6b1 CL |
3578 | NFS4_FS_LOCATION_MAXSERVERS, |
3579 | m, res->nlocations); | |
7aaa0b3b | 3580 | for (i = loc->nservers; i < m; i++) { |
2e42c3e2 | 3581 | unsigned int len; |
7aaa0b3b MN |
3582 | char *data; |
3583 | status = decode_opaque_inline(xdr, &len, &data); | |
3584 | if (unlikely(status != 0)) | |
3585 | goto out_eio; | |
3586 | } | |
3587 | } | |
3588 | } | |
3589 | status = decode_pathname(xdr, &loc->rootpath); | |
683b57b4 TM |
3590 | if (unlikely(status != 0)) |
3591 | goto out_eio; | |
7aaa0b3b | 3592 | if (res->nlocations < NFS4_FS_LOCATIONS_MAXENTRIES) |
683b57b4 TM |
3593 | res->nlocations++; |
3594 | } | |
409924e4 | 3595 | if (res->nlocations != 0) |
81934ddb | 3596 | status = NFS_ATTR_FATTR_V4_LOCATIONS; |
683b57b4 | 3597 | out: |
3110ff80 | 3598 | dprintk("%s: fs_locations done, error = %d\n", __func__, status); |
683b57b4 | 3599 | return status; |
c0eae66e BH |
3600 | out_overflow: |
3601 | print_overflow_msg(__func__, xdr); | |
683b57b4 TM |
3602 | out_eio: |
3603 | status = -EIO; | |
3604 | goto out; | |
3605 | } | |
3606 | ||
1da177e4 LT |
3607 | static int decode_attr_maxfilesize(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
3608 | { | |
8687b63a | 3609 | __be32 *p; |
1da177e4 LT |
3610 | int status = 0; |
3611 | ||
3612 | *res = 0; | |
3613 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXFILESIZE - 1U))) | |
3614 | return -EIO; | |
3615 | if (likely(bitmap[0] & FATTR4_WORD0_MAXFILESIZE)) { | |
c0eae66e BH |
3616 | p = xdr_inline_decode(xdr, 8); |
3617 | if (unlikely(!p)) | |
3618 | goto out_overflow; | |
cccddf4f | 3619 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3620 | bitmap[0] &= ~FATTR4_WORD0_MAXFILESIZE; |
3621 | } | |
3110ff80 | 3622 | dprintk("%s: maxfilesize=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3623 | return status; |
c0eae66e BH |
3624 | out_overflow: |
3625 | print_overflow_msg(__func__, xdr); | |
3626 | return -EIO; | |
1da177e4 LT |
3627 | } |
3628 | ||
3629 | static int decode_attr_maxlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxlink) | |
3630 | { | |
8687b63a | 3631 | __be32 *p; |
1da177e4 LT |
3632 | int status = 0; |
3633 | ||
3634 | *maxlink = 1; | |
3635 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXLINK - 1U))) | |
3636 | return -EIO; | |
3637 | if (likely(bitmap[0] & FATTR4_WORD0_MAXLINK)) { | |
c0eae66e BH |
3638 | p = xdr_inline_decode(xdr, 4); |
3639 | if (unlikely(!p)) | |
3640 | goto out_overflow; | |
cccddf4f | 3641 | *maxlink = be32_to_cpup(p); |
1da177e4 LT |
3642 | bitmap[0] &= ~FATTR4_WORD0_MAXLINK; |
3643 | } | |
3110ff80 | 3644 | dprintk("%s: maxlink=%u\n", __func__, *maxlink); |
1da177e4 | 3645 | return status; |
c0eae66e BH |
3646 | out_overflow: |
3647 | print_overflow_msg(__func__, xdr); | |
3648 | return -EIO; | |
1da177e4 LT |
3649 | } |
3650 | ||
3651 | static int decode_attr_maxname(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxname) | |
3652 | { | |
8687b63a | 3653 | __be32 *p; |
1da177e4 LT |
3654 | int status = 0; |
3655 | ||
3656 | *maxname = 1024; | |
3657 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXNAME - 1U))) | |
3658 | return -EIO; | |
3659 | if (likely(bitmap[0] & FATTR4_WORD0_MAXNAME)) { | |
c0eae66e BH |
3660 | p = xdr_inline_decode(xdr, 4); |
3661 | if (unlikely(!p)) | |
3662 | goto out_overflow; | |
cccddf4f | 3663 | *maxname = be32_to_cpup(p); |
1da177e4 LT |
3664 | bitmap[0] &= ~FATTR4_WORD0_MAXNAME; |
3665 | } | |
3110ff80 | 3666 | dprintk("%s: maxname=%u\n", __func__, *maxname); |
1da177e4 | 3667 | return status; |
c0eae66e BH |
3668 | out_overflow: |
3669 | print_overflow_msg(__func__, xdr); | |
3670 | return -EIO; | |
1da177e4 LT |
3671 | } |
3672 | ||
3673 | static int decode_attr_maxread(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3674 | { | |
8687b63a | 3675 | __be32 *p; |
1da177e4 LT |
3676 | int status = 0; |
3677 | ||
3678 | *res = 1024; | |
3679 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXREAD - 1U))) | |
3680 | return -EIO; | |
3681 | if (likely(bitmap[0] & FATTR4_WORD0_MAXREAD)) { | |
3682 | uint64_t maxread; | |
c0eae66e BH |
3683 | p = xdr_inline_decode(xdr, 8); |
3684 | if (unlikely(!p)) | |
3685 | goto out_overflow; | |
cccddf4f | 3686 | xdr_decode_hyper(p, &maxread); |
1da177e4 LT |
3687 | if (maxread > 0x7FFFFFFF) |
3688 | maxread = 0x7FFFFFFF; | |
3689 | *res = (uint32_t)maxread; | |
3690 | bitmap[0] &= ~FATTR4_WORD0_MAXREAD; | |
3691 | } | |
3110ff80 | 3692 | dprintk("%s: maxread=%lu\n", __func__, (unsigned long)*res); |
1da177e4 | 3693 | return status; |
c0eae66e BH |
3694 | out_overflow: |
3695 | print_overflow_msg(__func__, xdr); | |
3696 | return -EIO; | |
1da177e4 LT |
3697 | } |
3698 | ||
3699 | static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3700 | { | |
8687b63a | 3701 | __be32 *p; |
1da177e4 LT |
3702 | int status = 0; |
3703 | ||
3704 | *res = 1024; | |
3705 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXWRITE - 1U))) | |
3706 | return -EIO; | |
3707 | if (likely(bitmap[0] & FATTR4_WORD0_MAXWRITE)) { | |
3708 | uint64_t maxwrite; | |
c0eae66e BH |
3709 | p = xdr_inline_decode(xdr, 8); |
3710 | if (unlikely(!p)) | |
3711 | goto out_overflow; | |
cccddf4f | 3712 | xdr_decode_hyper(p, &maxwrite); |
1da177e4 LT |
3713 | if (maxwrite > 0x7FFFFFFF) |
3714 | maxwrite = 0x7FFFFFFF; | |
3715 | *res = (uint32_t)maxwrite; | |
3716 | bitmap[0] &= ~FATTR4_WORD0_MAXWRITE; | |
3717 | } | |
3110ff80 | 3718 | dprintk("%s: maxwrite=%lu\n", __func__, (unsigned long)*res); |
1da177e4 | 3719 | return status; |
c0eae66e BH |
3720 | out_overflow: |
3721 | print_overflow_msg(__func__, xdr); | |
3722 | return -EIO; | |
1da177e4 LT |
3723 | } |
3724 | ||
bca79478 | 3725 | static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, umode_t *mode) |
1da177e4 | 3726 | { |
bca79478 | 3727 | uint32_t tmp; |
8687b63a | 3728 | __be32 *p; |
409924e4 | 3729 | int ret = 0; |
1da177e4 LT |
3730 | |
3731 | *mode = 0; | |
3732 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MODE - 1U))) | |
3733 | return -EIO; | |
3734 | if (likely(bitmap[1] & FATTR4_WORD1_MODE)) { | |
c0eae66e BH |
3735 | p = xdr_inline_decode(xdr, 4); |
3736 | if (unlikely(!p)) | |
3737 | goto out_overflow; | |
cccddf4f | 3738 | tmp = be32_to_cpup(p); |
bca79478 | 3739 | *mode = tmp & ~S_IFMT; |
1da177e4 | 3740 | bitmap[1] &= ~FATTR4_WORD1_MODE; |
409924e4 | 3741 | ret = NFS_ATTR_FATTR_MODE; |
1da177e4 | 3742 | } |
3110ff80 | 3743 | dprintk("%s: file mode=0%o\n", __func__, (unsigned int)*mode); |
409924e4 | 3744 | return ret; |
c0eae66e BH |
3745 | out_overflow: |
3746 | print_overflow_msg(__func__, xdr); | |
3747 | return -EIO; | |
1da177e4 LT |
3748 | } |
3749 | ||
3750 | static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *nlink) | |
3751 | { | |
8687b63a | 3752 | __be32 *p; |
409924e4 | 3753 | int ret = 0; |
1da177e4 LT |
3754 | |
3755 | *nlink = 1; | |
3756 | if (unlikely(bitmap[1] & (FATTR4_WORD1_NUMLINKS - 1U))) | |
3757 | return -EIO; | |
3758 | if (likely(bitmap[1] & FATTR4_WORD1_NUMLINKS)) { | |
c0eae66e BH |
3759 | p = xdr_inline_decode(xdr, 4); |
3760 | if (unlikely(!p)) | |
3761 | goto out_overflow; | |
cccddf4f | 3762 | *nlink = be32_to_cpup(p); |
1da177e4 | 3763 | bitmap[1] &= ~FATTR4_WORD1_NUMLINKS; |
409924e4 | 3764 | ret = NFS_ATTR_FATTR_NLINK; |
1da177e4 | 3765 | } |
3110ff80 | 3766 | dprintk("%s: nlink=%u\n", __func__, (unsigned int)*nlink); |
409924e4 | 3767 | return ret; |
c0eae66e BH |
3768 | out_overflow: |
3769 | print_overflow_msg(__func__, xdr); | |
3770 | return -EIO; | |
1da177e4 LT |
3771 | } |
3772 | ||
80e52ace | 3773 | static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, |
6926afd1 TM |
3774 | const struct nfs_server *server, uint32_t *uid, |
3775 | struct nfs4_string *owner_name) | |
1da177e4 | 3776 | { |
8687b63a AV |
3777 | uint32_t len; |
3778 | __be32 *p; | |
409924e4 | 3779 | int ret = 0; |
1da177e4 LT |
3780 | |
3781 | *uid = -2; | |
3782 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER - 1U))) | |
3783 | return -EIO; | |
3784 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER)) { | |
c0eae66e BH |
3785 | p = xdr_inline_decode(xdr, 4); |
3786 | if (unlikely(!p)) | |
3787 | goto out_overflow; | |
cccddf4f | 3788 | len = be32_to_cpup(p); |
c0eae66e BH |
3789 | p = xdr_inline_decode(xdr, len); |
3790 | if (unlikely(!p)) | |
3791 | goto out_overflow; | |
6926afd1 TM |
3792 | if (owner_name != NULL) { |
3793 | owner_name->data = kmemdup(p, len, GFP_NOWAIT); | |
3794 | if (owner_name->data != NULL) { | |
3795 | owner_name->len = len; | |
3796 | ret = NFS_ATTR_FATTR_OWNER_NAME; | |
3797 | } | |
80e52ace | 3798 | } else if (len < XDR_MAX_NETOBJ) { |
e4fd72a1 | 3799 | if (nfs_map_name_to_uid(server, (char *)p, len, uid) == 0) |
409924e4 TM |
3800 | ret = NFS_ATTR_FATTR_OWNER; |
3801 | else | |
1da177e4 | 3802 | dprintk("%s: nfs_map_name_to_uid failed!\n", |
3110ff80 | 3803 | __func__); |
1da177e4 | 3804 | } else |
fe82a183 | 3805 | dprintk("%s: name too long (%u)!\n", |
3110ff80 | 3806 | __func__, len); |
1da177e4 LT |
3807 | bitmap[1] &= ~FATTR4_WORD1_OWNER; |
3808 | } | |
3110ff80 | 3809 | dprintk("%s: uid=%d\n", __func__, (int)*uid); |
409924e4 | 3810 | return ret; |
c0eae66e BH |
3811 | out_overflow: |
3812 | print_overflow_msg(__func__, xdr); | |
3813 | return -EIO; | |
1da177e4 LT |
3814 | } |
3815 | ||
80e52ace | 3816 | static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, |
6926afd1 TM |
3817 | const struct nfs_server *server, uint32_t *gid, |
3818 | struct nfs4_string *group_name) | |
1da177e4 | 3819 | { |
8687b63a AV |
3820 | uint32_t len; |
3821 | __be32 *p; | |
409924e4 | 3822 | int ret = 0; |
1da177e4 LT |
3823 | |
3824 | *gid = -2; | |
3825 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER_GROUP - 1U))) | |
3826 | return -EIO; | |
3827 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER_GROUP)) { | |
c0eae66e BH |
3828 | p = xdr_inline_decode(xdr, 4); |
3829 | if (unlikely(!p)) | |
3830 | goto out_overflow; | |
cccddf4f | 3831 | len = be32_to_cpup(p); |
c0eae66e BH |
3832 | p = xdr_inline_decode(xdr, len); |
3833 | if (unlikely(!p)) | |
3834 | goto out_overflow; | |
6926afd1 TM |
3835 | if (group_name != NULL) { |
3836 | group_name->data = kmemdup(p, len, GFP_NOWAIT); | |
3837 | if (group_name->data != NULL) { | |
3838 | group_name->len = len; | |
3839 | ret = NFS_ATTR_FATTR_GROUP_NAME; | |
3840 | } | |
80e52ace | 3841 | } else if (len < XDR_MAX_NETOBJ) { |
e4fd72a1 | 3842 | if (nfs_map_group_to_gid(server, (char *)p, len, gid) == 0) |
409924e4 TM |
3843 | ret = NFS_ATTR_FATTR_GROUP; |
3844 | else | |
1da177e4 | 3845 | dprintk("%s: nfs_map_group_to_gid failed!\n", |
3110ff80 | 3846 | __func__); |
1da177e4 | 3847 | } else |
fe82a183 | 3848 | dprintk("%s: name too long (%u)!\n", |
3110ff80 | 3849 | __func__, len); |
1da177e4 LT |
3850 | bitmap[1] &= ~FATTR4_WORD1_OWNER_GROUP; |
3851 | } | |
3110ff80 | 3852 | dprintk("%s: gid=%d\n", __func__, (int)*gid); |
409924e4 | 3853 | return ret; |
c0eae66e BH |
3854 | out_overflow: |
3855 | print_overflow_msg(__func__, xdr); | |
3856 | return -EIO; | |
1da177e4 LT |
3857 | } |
3858 | ||
3859 | static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rdev) | |
3860 | { | |
8687b63a AV |
3861 | uint32_t major = 0, minor = 0; |
3862 | __be32 *p; | |
409924e4 | 3863 | int ret = 0; |
1da177e4 LT |
3864 | |
3865 | *rdev = MKDEV(0,0); | |
3866 | if (unlikely(bitmap[1] & (FATTR4_WORD1_RAWDEV - 1U))) | |
3867 | return -EIO; | |
3868 | if (likely(bitmap[1] & FATTR4_WORD1_RAWDEV)) { | |
3869 | dev_t tmp; | |
3870 | ||
c0eae66e BH |
3871 | p = xdr_inline_decode(xdr, 8); |
3872 | if (unlikely(!p)) | |
3873 | goto out_overflow; | |
6f723f77 | 3874 | major = be32_to_cpup(p++); |
cccddf4f | 3875 | minor = be32_to_cpup(p); |
1da177e4 LT |
3876 | tmp = MKDEV(major, minor); |
3877 | if (MAJOR(tmp) == major && MINOR(tmp) == minor) | |
3878 | *rdev = tmp; | |
3879 | bitmap[1] &= ~ FATTR4_WORD1_RAWDEV; | |
409924e4 | 3880 | ret = NFS_ATTR_FATTR_RDEV; |
1da177e4 | 3881 | } |
3110ff80 | 3882 | dprintk("%s: rdev=(0x%x:0x%x)\n", __func__, major, minor); |
409924e4 | 3883 | return ret; |
c0eae66e BH |
3884 | out_overflow: |
3885 | print_overflow_msg(__func__, xdr); | |
3886 | return -EIO; | |
1da177e4 LT |
3887 | } |
3888 | ||
3889 | static int decode_attr_space_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3890 | { | |
8687b63a | 3891 | __be32 *p; |
1da177e4 LT |
3892 | int status = 0; |
3893 | ||
3894 | *res = 0; | |
3895 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_AVAIL - 1U))) | |
3896 | return -EIO; | |
3897 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_AVAIL)) { | |
c0eae66e BH |
3898 | p = xdr_inline_decode(xdr, 8); |
3899 | if (unlikely(!p)) | |
3900 | goto out_overflow; | |
cccddf4f | 3901 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3902 | bitmap[1] &= ~FATTR4_WORD1_SPACE_AVAIL; |
3903 | } | |
3110ff80 | 3904 | dprintk("%s: space avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3905 | return status; |
c0eae66e BH |
3906 | out_overflow: |
3907 | print_overflow_msg(__func__, xdr); | |
3908 | return -EIO; | |
1da177e4 LT |
3909 | } |
3910 | ||
3911 | static int decode_attr_space_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3912 | { | |
8687b63a | 3913 | __be32 *p; |
1da177e4 LT |
3914 | int status = 0; |
3915 | ||
3916 | *res = 0; | |
3917 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_FREE - 1U))) | |
3918 | return -EIO; | |
3919 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_FREE)) { | |
c0eae66e BH |
3920 | p = xdr_inline_decode(xdr, 8); |
3921 | if (unlikely(!p)) | |
3922 | goto out_overflow; | |
cccddf4f | 3923 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3924 | bitmap[1] &= ~FATTR4_WORD1_SPACE_FREE; |
3925 | } | |
3110ff80 | 3926 | dprintk("%s: space free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3927 | return status; |
c0eae66e BH |
3928 | out_overflow: |
3929 | print_overflow_msg(__func__, xdr); | |
3930 | return -EIO; | |
1da177e4 LT |
3931 | } |
3932 | ||
3933 | static int decode_attr_space_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3934 | { | |
8687b63a | 3935 | __be32 *p; |
1da177e4 LT |
3936 | int status = 0; |
3937 | ||
3938 | *res = 0; | |
3939 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_TOTAL - 1U))) | |
3940 | return -EIO; | |
3941 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_TOTAL)) { | |
c0eae66e BH |
3942 | p = xdr_inline_decode(xdr, 8); |
3943 | if (unlikely(!p)) | |
3944 | goto out_overflow; | |
cccddf4f | 3945 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3946 | bitmap[1] &= ~FATTR4_WORD1_SPACE_TOTAL; |
3947 | } | |
3110ff80 | 3948 | dprintk("%s: space total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3949 | return status; |
c0eae66e BH |
3950 | out_overflow: |
3951 | print_overflow_msg(__func__, xdr); | |
3952 | return -EIO; | |
1da177e4 LT |
3953 | } |
3954 | ||
3955 | static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *used) | |
3956 | { | |
8687b63a | 3957 | __be32 *p; |
409924e4 | 3958 | int ret = 0; |
1da177e4 LT |
3959 | |
3960 | *used = 0; | |
3961 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_USED - 1U))) | |
3962 | return -EIO; | |
3963 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_USED)) { | |
c0eae66e BH |
3964 | p = xdr_inline_decode(xdr, 8); |
3965 | if (unlikely(!p)) | |
3966 | goto out_overflow; | |
cccddf4f | 3967 | xdr_decode_hyper(p, used); |
1da177e4 | 3968 | bitmap[1] &= ~FATTR4_WORD1_SPACE_USED; |
409924e4 | 3969 | ret = NFS_ATTR_FATTR_SPACE_USED; |
1da177e4 | 3970 | } |
3110ff80 | 3971 | dprintk("%s: space used=%Lu\n", __func__, |
1da177e4 | 3972 | (unsigned long long)*used); |
409924e4 | 3973 | return ret; |
c0eae66e BH |
3974 | out_overflow: |
3975 | print_overflow_msg(__func__, xdr); | |
3976 | return -EIO; | |
1da177e4 LT |
3977 | } |
3978 | ||
3979 | static int decode_attr_time(struct xdr_stream *xdr, struct timespec *time) | |
3980 | { | |
8687b63a | 3981 | __be32 *p; |
1da177e4 LT |
3982 | uint64_t sec; |
3983 | uint32_t nsec; | |
3984 | ||
c0eae66e BH |
3985 | p = xdr_inline_decode(xdr, 12); |
3986 | if (unlikely(!p)) | |
3987 | goto out_overflow; | |
3ceb4dbb | 3988 | p = xdr_decode_hyper(p, &sec); |
cccddf4f | 3989 | nsec = be32_to_cpup(p); |
1da177e4 LT |
3990 | time->tv_sec = (time_t)sec; |
3991 | time->tv_nsec = (long)nsec; | |
3992 | return 0; | |
c0eae66e BH |
3993 | out_overflow: |
3994 | print_overflow_msg(__func__, xdr); | |
3995 | return -EIO; | |
1da177e4 LT |
3996 | } |
3997 | ||
3998 | static int decode_attr_time_access(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
3999 | { | |
4000 | int status = 0; | |
4001 | ||
4002 | time->tv_sec = 0; | |
4003 | time->tv_nsec = 0; | |
4004 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_ACCESS - 1U))) | |
4005 | return -EIO; | |
4006 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_ACCESS)) { | |
4007 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4008 | if (status == 0) |
4009 | status = NFS_ATTR_FATTR_ATIME; | |
1da177e4 LT |
4010 | bitmap[1] &= ~FATTR4_WORD1_TIME_ACCESS; |
4011 | } | |
3110ff80 | 4012 | dprintk("%s: atime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
4013 | return status; |
4014 | } | |
4015 | ||
4016 | static int decode_attr_time_metadata(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
4017 | { | |
4018 | int status = 0; | |
4019 | ||
4020 | time->tv_sec = 0; | |
4021 | time->tv_nsec = 0; | |
4022 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_METADATA - 1U))) | |
4023 | return -EIO; | |
4024 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_METADATA)) { | |
4025 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4026 | if (status == 0) |
4027 | status = NFS_ATTR_FATTR_CTIME; | |
1da177e4 LT |
4028 | bitmap[1] &= ~FATTR4_WORD1_TIME_METADATA; |
4029 | } | |
3110ff80 | 4030 | dprintk("%s: ctime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
4031 | return status; |
4032 | } | |
4033 | ||
55b6e774 RL |
4034 | static int decode_attr_time_delta(struct xdr_stream *xdr, uint32_t *bitmap, |
4035 | struct timespec *time) | |
4036 | { | |
4037 | int status = 0; | |
4038 | ||
4039 | time->tv_sec = 0; | |
4040 | time->tv_nsec = 0; | |
4041 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_DELTA - 1U))) | |
4042 | return -EIO; | |
4043 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_DELTA)) { | |
4044 | status = decode_attr_time(xdr, time); | |
4045 | bitmap[1] &= ~FATTR4_WORD1_TIME_DELTA; | |
4046 | } | |
4047 | dprintk("%s: time_delta=%ld %ld\n", __func__, (long)time->tv_sec, | |
4048 | (long)time->tv_nsec); | |
4049 | return status; | |
4050 | } | |
4051 | ||
1da177e4 LT |
4052 | static int decode_attr_time_modify(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) |
4053 | { | |
4054 | int status = 0; | |
4055 | ||
4056 | time->tv_sec = 0; | |
4057 | time->tv_nsec = 0; | |
4058 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_MODIFY - 1U))) | |
4059 | return -EIO; | |
4060 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_MODIFY)) { | |
4061 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4062 | if (status == 0) |
4063 | status = NFS_ATTR_FATTR_MTIME; | |
1da177e4 LT |
4064 | bitmap[1] &= ~FATTR4_WORD1_TIME_MODIFY; |
4065 | } | |
3110ff80 | 4066 | dprintk("%s: mtime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
4067 | return status; |
4068 | } | |
4069 | ||
8687b63a | 4070 | static int verify_attr_len(struct xdr_stream *xdr, __be32 *savep, uint32_t attrlen) |
1da177e4 LT |
4071 | { |
4072 | unsigned int attrwords = XDR_QUADLEN(attrlen); | |
4073 | unsigned int nwords = xdr->p - savep; | |
4074 | ||
4075 | if (unlikely(attrwords != nwords)) { | |
fe82a183 CL |
4076 | dprintk("%s: server returned incorrect attribute length: " |
4077 | "%u %c %u\n", | |
3110ff80 | 4078 | __func__, |
1da177e4 LT |
4079 | attrwords << 2, |
4080 | (attrwords < nwords) ? '<' : '>', | |
4081 | nwords << 2); | |
4082 | return -EIO; | |
4083 | } | |
4084 | return 0; | |
4085 | } | |
4086 | ||
4087 | static int decode_change_info(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4088 | { | |
8687b63a | 4089 | __be32 *p; |
1da177e4 | 4090 | |
c0eae66e BH |
4091 | p = xdr_inline_decode(xdr, 20); |
4092 | if (unlikely(!p)) | |
4093 | goto out_overflow; | |
6f723f77 | 4094 | cinfo->atomic = be32_to_cpup(p++); |
3ceb4dbb | 4095 | p = xdr_decode_hyper(p, &cinfo->before); |
cccddf4f | 4096 | xdr_decode_hyper(p, &cinfo->after); |
1da177e4 | 4097 | return 0; |
c0eae66e BH |
4098 | out_overflow: |
4099 | print_overflow_msg(__func__, xdr); | |
4100 | return -EIO; | |
1da177e4 LT |
4101 | } |
4102 | ||
4103 | static int decode_access(struct xdr_stream *xdr, struct nfs4_accessres *access) | |
4104 | { | |
8687b63a | 4105 | __be32 *p; |
1da177e4 LT |
4106 | uint32_t supp, acc; |
4107 | int status; | |
4108 | ||
4109 | status = decode_op_hdr(xdr, OP_ACCESS); | |
4110 | if (status) | |
4111 | return status; | |
c0eae66e BH |
4112 | p = xdr_inline_decode(xdr, 8); |
4113 | if (unlikely(!p)) | |
4114 | goto out_overflow; | |
6f723f77 | 4115 | supp = be32_to_cpup(p++); |
cccddf4f | 4116 | acc = be32_to_cpup(p); |
1da177e4 LT |
4117 | access->supported = supp; |
4118 | access->access = acc; | |
4119 | return 0; | |
c0eae66e BH |
4120 | out_overflow: |
4121 | print_overflow_msg(__func__, xdr); | |
4122 | return -EIO; | |
1da177e4 LT |
4123 | } |
4124 | ||
07d30434 | 4125 | static int decode_opaque_fixed(struct xdr_stream *xdr, void *buf, size_t len) |
1da177e4 | 4126 | { |
8687b63a | 4127 | __be32 *p; |
07d30434 BH |
4128 | |
4129 | p = xdr_inline_decode(xdr, len); | |
4130 | if (likely(p)) { | |
4131 | memcpy(buf, p, len); | |
4132 | return 0; | |
4133 | } | |
4134 | print_overflow_msg(__func__, xdr); | |
4135 | return -EIO; | |
4136 | } | |
4137 | ||
4138 | static int decode_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) | |
4139 | { | |
2d2f24ad | 4140 | return decode_opaque_fixed(xdr, stateid, NFS4_STATEID_SIZE); |
07d30434 BH |
4141 | } |
4142 | ||
4143 | static int decode_close(struct xdr_stream *xdr, struct nfs_closeres *res) | |
4144 | { | |
1da177e4 LT |
4145 | int status; |
4146 | ||
4147 | status = decode_op_hdr(xdr, OP_CLOSE); | |
c1d51931 TM |
4148 | if (status != -EIO) |
4149 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4150 | if (!status) |
4151 | status = decode_stateid(xdr, &res->stateid); | |
4152 | return status; | |
1da177e4 LT |
4153 | } |
4154 | ||
db942bbd BH |
4155 | static int decode_verifier(struct xdr_stream *xdr, void *verifier) |
4156 | { | |
cd93710e | 4157 | return decode_opaque_fixed(xdr, verifier, NFS4_VERIFIER_SIZE); |
1da177e4 LT |
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 BH |
4165 | if (!status) |
4166 | status = decode_verifier(xdr, res->verf->verifier); | |
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 | { | |
8687b63a | 4195 | __be32 *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 | { | |
8687b63a | 4224 | __be32 *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 | { | |
8687b63a | 4256 | __be32 *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 | { | |
4301 | __be32 *p, *savep; | |
4302 | uint32_t bitmap[3] = {0,}, attrlen; | |
4303 | int status; | |
4304 | ||
4305 | /* layout type */ | |
4306 | p = xdr_inline_decode(xdr, 4); | |
4307 | if (unlikely(!p)) { | |
4308 | print_overflow_msg(__func__, xdr); | |
4309 | return -EIO; | |
4310 | } | |
4311 | res->l_type = be32_to_cpup(p); | |
4312 | ||
4313 | /* thi_hintset bitmap */ | |
4314 | status = decode_attr_bitmap(xdr, bitmap); | |
4315 | if (status < 0) | |
4316 | goto xdr_error; | |
4317 | ||
4318 | /* thi_hintlist length */ | |
4319 | status = decode_attr_length(xdr, &attrlen, &savep); | |
4320 | if (status < 0) | |
4321 | goto xdr_error; | |
4322 | /* thi_hintlist */ | |
4323 | status = decode_threshold_hint(xdr, bitmap, &res->rd_sz, THRESHOLD_RD); | |
4324 | if (status < 0) | |
4325 | goto xdr_error; | |
4326 | status = decode_threshold_hint(xdr, bitmap, &res->wr_sz, THRESHOLD_WR); | |
4327 | if (status < 0) | |
4328 | goto xdr_error; | |
4329 | status = decode_threshold_hint(xdr, bitmap, &res->rd_io_sz, | |
4330 | THRESHOLD_RD_IO); | |
4331 | if (status < 0) | |
4332 | goto xdr_error; | |
4333 | status = decode_threshold_hint(xdr, bitmap, &res->wr_io_sz, | |
4334 | THRESHOLD_WR_IO); | |
4335 | if (status < 0) | |
4336 | goto xdr_error; | |
4337 | ||
4338 | status = verify_attr_len(xdr, savep, attrlen); | |
4339 | res->bm = bitmap[0]; | |
4340 | ||
4341 | dprintk("%s bm=0x%x rd_sz=%llu wr_sz=%llu rd_io=%llu wr_io=%llu\n", | |
4342 | __func__, res->bm, res->rd_sz, res->wr_sz, res->rd_io_sz, | |
4343 | res->wr_io_sz); | |
4344 | xdr_error: | |
4345 | dprintk("%s ret=%d!\n", __func__, status); | |
4346 | return status; | |
4347 | } | |
4348 | ||
4349 | /* | |
4350 | * Thresholds on pNFS direct I/O vrs MDS I/O | |
4351 | */ | |
4352 | static int decode_attr_mdsthreshold(struct xdr_stream *xdr, | |
4353 | uint32_t *bitmap, | |
4354 | struct nfs4_threshold *res) | |
4355 | { | |
4356 | __be32 *p; | |
4357 | int status = 0; | |
4358 | uint32_t num; | |
4359 | ||
4360 | if (unlikely(bitmap[2] & (FATTR4_WORD2_MDSTHRESHOLD - 1U))) | |
4361 | return -EIO; | |
4362 | if (likely(bitmap[2] & FATTR4_WORD2_MDSTHRESHOLD)) { | |
4363 | p = xdr_inline_decode(xdr, 4); | |
4364 | if (unlikely(!p)) | |
4365 | goto out_overflow; | |
4366 | num = be32_to_cpup(p); | |
4367 | if (num == 0) | |
4368 | return 0; | |
4369 | if (num > 1) | |
4370 | printk(KERN_INFO "%s: Warning: Multiple pNFS layout " | |
4371 | "drivers per filesystem not supported\n", | |
4372 | __func__); | |
4373 | ||
4374 | status = decode_first_threshold_item4(xdr, res); | |
4375 | } | |
4376 | return status; | |
4377 | out_overflow: | |
4378 | print_overflow_msg(__func__, xdr); | |
4379 | return -EIO; | |
4380 | } | |
4381 | ||
ae42c70a BS |
4382 | static int decode_getfattr_attrs(struct xdr_stream *xdr, uint32_t *bitmap, |
4383 | struct nfs_fattr *fattr, struct nfs_fh *fh, | |
8b7e3f49 | 4384 | struct nfs4_fs_locations *fs_loc, |
6926afd1 | 4385 | const struct nfs_server *server) |
1da177e4 | 4386 | { |
bca79478 TM |
4387 | int status; |
4388 | umode_t fmode = 0; | |
ae42c70a | 4389 | uint32_t type; |
ee7b75fc | 4390 | int32_t err; |
1da177e4 | 4391 | |
f26c7a78 TM |
4392 | status = decode_attr_type(xdr, bitmap, &type); |
4393 | if (status < 0) | |
1da177e4 | 4394 | goto xdr_error; |
409924e4 TM |
4395 | fattr->mode = 0; |
4396 | if (status != 0) { | |
4397 | fattr->mode |= nfs_type2fmt[type]; | |
4398 | fattr->valid |= status; | |
4399 | } | |
1da177e4 | 4400 | |
f26c7a78 TM |
4401 | status = decode_attr_change(xdr, bitmap, &fattr->change_attr); |
4402 | if (status < 0) | |
1da177e4 | 4403 | goto xdr_error; |
409924e4 | 4404 | fattr->valid |= status; |
f26c7a78 TM |
4405 | |
4406 | status = decode_attr_size(xdr, bitmap, &fattr->size); | |
4407 | if (status < 0) | |
1da177e4 | 4408 | goto xdr_error; |
409924e4 | 4409 | fattr->valid |= status; |
f26c7a78 TM |
4410 | |
4411 | status = decode_attr_fsid(xdr, bitmap, &fattr->fsid); | |
4412 | if (status < 0) | |
1da177e4 | 4413 | goto xdr_error; |
409924e4 | 4414 | fattr->valid |= status; |
f26c7a78 | 4415 | |
ee7b75fc TM |
4416 | err = 0; |
4417 | status = decode_attr_error(xdr, bitmap, &err); | |
ae42c70a BS |
4418 | if (status < 0) |
4419 | goto xdr_error; | |
4420 | ||
4421 | status = decode_attr_filehandle(xdr, bitmap, fh); | |
4422 | if (status < 0) | |
4423 | goto xdr_error; | |
4424 | ||
f26c7a78 TM |
4425 | status = decode_attr_fileid(xdr, bitmap, &fattr->fileid); |
4426 | if (status < 0) | |
1da177e4 | 4427 | goto xdr_error; |
409924e4 | 4428 | fattr->valid |= status; |
f26c7a78 | 4429 | |
8b7e3f49 | 4430 | status = decode_attr_fs_locations(xdr, bitmap, fs_loc); |
f26c7a78 | 4431 | if (status < 0) |
683b57b4 | 4432 | goto xdr_error; |
409924e4 | 4433 | fattr->valid |= status; |
f26c7a78 TM |
4434 | |
4435 | status = decode_attr_mode(xdr, bitmap, &fmode); | |
4436 | if (status < 0) | |
1da177e4 | 4437 | goto xdr_error; |
409924e4 TM |
4438 | if (status != 0) { |
4439 | fattr->mode |= fmode; | |
4440 | fattr->valid |= status; | |
4441 | } | |
f26c7a78 TM |
4442 | |
4443 | status = decode_attr_nlink(xdr, bitmap, &fattr->nlink); | |
4444 | if (status < 0) | |
1da177e4 | 4445 | goto xdr_error; |
409924e4 | 4446 | fattr->valid |= status; |
f26c7a78 | 4447 | |
6926afd1 | 4448 | status = decode_attr_owner(xdr, bitmap, server, &fattr->uid, fattr->owner_name); |
f26c7a78 | 4449 | if (status < 0) |
1da177e4 | 4450 | goto xdr_error; |
409924e4 | 4451 | fattr->valid |= status; |
f26c7a78 | 4452 | |
6926afd1 | 4453 | status = decode_attr_group(xdr, bitmap, server, &fattr->gid, fattr->group_name); |
f26c7a78 | 4454 | if (status < 0) |
1da177e4 | 4455 | goto xdr_error; |
409924e4 | 4456 | fattr->valid |= status; |
f26c7a78 TM |
4457 | |
4458 | status = decode_attr_rdev(xdr, bitmap, &fattr->rdev); | |
4459 | if (status < 0) | |
1da177e4 | 4460 | goto xdr_error; |
409924e4 | 4461 | fattr->valid |= status; |
f26c7a78 TM |
4462 | |
4463 | status = decode_attr_space_used(xdr, bitmap, &fattr->du.nfs3.used); | |
4464 | if (status < 0) | |
1da177e4 | 4465 | goto xdr_error; |
409924e4 | 4466 | fattr->valid |= status; |
f26c7a78 TM |
4467 | |
4468 | status = decode_attr_time_access(xdr, bitmap, &fattr->atime); | |
4469 | if (status < 0) | |
1da177e4 | 4470 | goto xdr_error; |
409924e4 | 4471 | fattr->valid |= status; |
f26c7a78 TM |
4472 | |
4473 | status = decode_attr_time_metadata(xdr, bitmap, &fattr->ctime); | |
4474 | if (status < 0) | |
1da177e4 | 4475 | goto xdr_error; |
409924e4 | 4476 | fattr->valid |= status; |
f26c7a78 TM |
4477 | |
4478 | status = decode_attr_time_modify(xdr, bitmap, &fattr->mtime); | |
4479 | if (status < 0) | |
1da177e4 | 4480 | goto xdr_error; |
409924e4 | 4481 | fattr->valid |= status; |
f26c7a78 | 4482 | |
28331a46 | 4483 | status = decode_attr_mounted_on_fileid(xdr, bitmap, &fattr->mounted_on_fileid); |
f26c7a78 | 4484 | if (status < 0) |
99baf625 | 4485 | goto xdr_error; |
28331a46 | 4486 | fattr->valid |= status; |
f26c7a78 | 4487 | |
88034c3d AA |
4488 | status = decode_attr_mdsthreshold(xdr, bitmap, fattr->mdsthreshold); |
4489 | if (status < 0) | |
4490 | goto xdr_error; | |
4491 | ||
ae42c70a BS |
4492 | xdr_error: |
4493 | dprintk("%s: xdr returned %d\n", __func__, -status); | |
4494 | return status; | |
4495 | } | |
4496 | ||
4497 | static int decode_getfattr_generic(struct xdr_stream *xdr, struct nfs_fattr *fattr, | |
8b7e3f49 TM |
4498 | struct nfs_fh *fh, struct nfs4_fs_locations *fs_loc, |
4499 | const struct nfs_server *server) | |
ae42c70a BS |
4500 | { |
4501 | __be32 *savep; | |
4502 | uint32_t attrlen, | |
dae100c2 | 4503 | bitmap[3] = {0}; |
ae42c70a BS |
4504 | int status; |
4505 | ||
4506 | status = decode_op_hdr(xdr, OP_GETATTR); | |
4507 | if (status < 0) | |
4508 | goto xdr_error; | |
4509 | ||
4510 | status = decode_attr_bitmap(xdr, bitmap); | |
4511 | if (status < 0) | |
4512 | goto xdr_error; | |
4513 | ||
4514 | status = decode_attr_length(xdr, &attrlen, &savep); | |
4515 | if (status < 0) | |
4516 | goto xdr_error; | |
4517 | ||
8b7e3f49 | 4518 | status = decode_getfattr_attrs(xdr, bitmap, fattr, fh, fs_loc, server); |
ae42c70a BS |
4519 | if (status < 0) |
4520 | goto xdr_error; | |
4521 | ||
f26c7a78 | 4522 | status = verify_attr_len(xdr, savep, attrlen); |
1da177e4 | 4523 | xdr_error: |
3110ff80 | 4524 | dprintk("%s: xdr returned %d\n", __func__, -status); |
1da177e4 LT |
4525 | return status; |
4526 | } | |
4527 | ||
ae42c70a | 4528 | static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr, |
6926afd1 | 4529 | const struct nfs_server *server) |
ae42c70a | 4530 | { |
8b7e3f49 | 4531 | return decode_getfattr_generic(xdr, fattr, NULL, NULL, server); |
ae42c70a | 4532 | } |
1da177e4 | 4533 | |
504913fb AA |
4534 | /* |
4535 | * Decode potentially multiple layout types. Currently we only support | |
4536 | * one layout driver per file system. | |
4537 | */ | |
4538 | static int decode_first_pnfs_layout_type(struct xdr_stream *xdr, | |
4539 | uint32_t *layouttype) | |
4540 | { | |
4541 | uint32_t *p; | |
4542 | int num; | |
4543 | ||
4544 | p = xdr_inline_decode(xdr, 4); | |
4545 | if (unlikely(!p)) | |
4546 | goto out_overflow; | |
4547 | num = be32_to_cpup(p); | |
4548 | ||
4549 | /* pNFS is not supported by the underlying file system */ | |
4550 | if (num == 0) { | |
4551 | *layouttype = 0; | |
4552 | return 0; | |
4553 | } | |
4554 | if (num > 1) | |
a030889a WAA |
4555 | printk(KERN_INFO "NFS: %s: Warning: Multiple pNFS layout " |
4556 | "drivers per filesystem not supported\n", __func__); | |
504913fb AA |
4557 | |
4558 | /* Decode and set first layout type, move xdr->p past unused types */ | |
4559 | p = xdr_inline_decode(xdr, num * 4); | |
4560 | if (unlikely(!p)) | |
4561 | goto out_overflow; | |
4562 | *layouttype = be32_to_cpup(p); | |
4563 | return 0; | |
4564 | out_overflow: | |
4565 | print_overflow_msg(__func__, xdr); | |
4566 | return -EIO; | |
4567 | } | |
4568 | ||
4569 | /* | |
4570 | * The type of file system exported. | |
4571 | * Note we must ensure that layouttype is set in any non-error case. | |
4572 | */ | |
4573 | static int decode_attr_pnfstype(struct xdr_stream *xdr, uint32_t *bitmap, | |
4574 | uint32_t *layouttype) | |
4575 | { | |
4576 | int status = 0; | |
4577 | ||
4578 | dprintk("%s: bitmap is %x\n", __func__, bitmap[1]); | |
4579 | if (unlikely(bitmap[1] & (FATTR4_WORD1_FS_LAYOUT_TYPES - 1U))) | |
4580 | return -EIO; | |
4581 | if (bitmap[1] & FATTR4_WORD1_FS_LAYOUT_TYPES) { | |
4582 | status = decode_first_pnfs_layout_type(xdr, layouttype); | |
4583 | bitmap[1] &= ~FATTR4_WORD1_FS_LAYOUT_TYPES; | |
4584 | } else | |
4585 | *layouttype = 0; | |
4586 | return status; | |
4587 | } | |
4588 | ||
dae100c2 FI |
4589 | /* |
4590 | * The prefered block size for layout directed io | |
4591 | */ | |
4592 | static int decode_attr_layout_blksize(struct xdr_stream *xdr, uint32_t *bitmap, | |
4593 | uint32_t *res) | |
4594 | { | |
4595 | __be32 *p; | |
4596 | ||
4597 | dprintk("%s: bitmap is %x\n", __func__, bitmap[2]); | |
4598 | *res = 0; | |
4599 | if (bitmap[2] & FATTR4_WORD2_LAYOUT_BLKSIZE) { | |
4600 | p = xdr_inline_decode(xdr, 4); | |
4601 | if (unlikely(!p)) { | |
4602 | print_overflow_msg(__func__, xdr); | |
4603 | return -EIO; | |
4604 | } | |
4605 | *res = be32_to_cpup(p); | |
4606 | bitmap[2] &= ~FATTR4_WORD2_LAYOUT_BLKSIZE; | |
4607 | } | |
4608 | return 0; | |
4609 | } | |
4610 | ||
1da177e4 LT |
4611 | static int decode_fsinfo(struct xdr_stream *xdr, struct nfs_fsinfo *fsinfo) |
4612 | { | |
8687b63a | 4613 | __be32 *savep; |
dae100c2 | 4614 | uint32_t attrlen, bitmap[3]; |
1da177e4 LT |
4615 | int status; |
4616 | ||
4617 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
4618 | goto xdr_error; | |
4619 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4620 | goto xdr_error; | |
4621 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4622 | goto xdr_error; | |
4623 | ||
4624 | fsinfo->rtmult = fsinfo->wtmult = 512; /* ??? */ | |
4625 | ||
4626 | if ((status = decode_attr_lease_time(xdr, bitmap, &fsinfo->lease_time)) != 0) | |
4627 | goto xdr_error; | |
4628 | if ((status = decode_attr_maxfilesize(xdr, bitmap, &fsinfo->maxfilesize)) != 0) | |
4629 | goto xdr_error; | |
4630 | if ((status = decode_attr_maxread(xdr, bitmap, &fsinfo->rtmax)) != 0) | |
4631 | goto xdr_error; | |
4632 | fsinfo->rtpref = fsinfo->dtpref = fsinfo->rtmax; | |
4633 | if ((status = decode_attr_maxwrite(xdr, bitmap, &fsinfo->wtmax)) != 0) | |
4634 | goto xdr_error; | |
4635 | fsinfo->wtpref = fsinfo->wtmax; | |
55b6e774 | 4636 | status = decode_attr_time_delta(xdr, bitmap, &fsinfo->time_delta); |
504913fb AA |
4637 | if (status != 0) |
4638 | goto xdr_error; | |
4639 | status = decode_attr_pnfstype(xdr, bitmap, &fsinfo->layouttype); | |
55b6e774 RL |
4640 | if (status != 0) |
4641 | goto xdr_error; | |
dae100c2 FI |
4642 | status = decode_attr_layout_blksize(xdr, bitmap, &fsinfo->blksize); |
4643 | if (status) | |
4644 | goto xdr_error; | |
1da177e4 LT |
4645 | |
4646 | status = verify_attr_len(xdr, savep, attrlen); | |
4647 | xdr_error: | |
3110ff80 | 4648 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4649 | return status; |
4650 | } | |
4651 | ||
4652 | static int decode_getfh(struct xdr_stream *xdr, struct nfs_fh *fh) | |
4653 | { | |
8687b63a | 4654 | __be32 *p; |
1da177e4 LT |
4655 | uint32_t len; |
4656 | int status; | |
4657 | ||
9936781d TM |
4658 | /* Zero handle first to allow comparisons */ |
4659 | memset(fh, 0, sizeof(*fh)); | |
4660 | ||
1da177e4 LT |
4661 | status = decode_op_hdr(xdr, OP_GETFH); |
4662 | if (status) | |
4663 | return status; | |
1da177e4 | 4664 | |
c0eae66e BH |
4665 | p = xdr_inline_decode(xdr, 4); |
4666 | if (unlikely(!p)) | |
4667 | goto out_overflow; | |
cccddf4f | 4668 | len = be32_to_cpup(p); |
1da177e4 LT |
4669 | if (len > NFS4_FHSIZE) |
4670 | return -EIO; | |
4671 | fh->size = len; | |
c0eae66e BH |
4672 | p = xdr_inline_decode(xdr, len); |
4673 | if (unlikely(!p)) | |
4674 | goto out_overflow; | |
99398d06 | 4675 | memcpy(fh->data, p, len); |
1da177e4 | 4676 | return 0; |
c0eae66e BH |
4677 | out_overflow: |
4678 | print_overflow_msg(__func__, xdr); | |
4679 | return -EIO; | |
1da177e4 LT |
4680 | } |
4681 | ||
4682 | static int decode_link(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4683 | { | |
4684 | int status; | |
6c0195a4 | 4685 | |
1da177e4 LT |
4686 | status = decode_op_hdr(xdr, OP_LINK); |
4687 | if (status) | |
4688 | return status; | |
4689 | return decode_change_info(xdr, cinfo); | |
4690 | } | |
4691 | ||
4692 | /* | |
4693 | * We create the owner, so we know a proper owner.id length is 4. | |
4694 | */ | |
911d1aaf | 4695 | static int decode_lock_denied (struct xdr_stream *xdr, struct file_lock *fl) |
1da177e4 | 4696 | { |
911d1aaf | 4697 | uint64_t offset, length, clientid; |
8687b63a | 4698 | __be32 *p; |
911d1aaf | 4699 | uint32_t namelen, type; |
1da177e4 | 4700 | |
babddc72 | 4701 | p = xdr_inline_decode(xdr, 32); /* read 32 bytes */ |
c0eae66e BH |
4702 | if (unlikely(!p)) |
4703 | goto out_overflow; | |
babddc72 | 4704 | p = xdr_decode_hyper(p, &offset); /* read 2 8-byte long words */ |
3ceb4dbb | 4705 | p = xdr_decode_hyper(p, &length); |
babddc72 BS |
4706 | type = be32_to_cpup(p++); /* 4 byte read */ |
4707 | if (fl != NULL) { /* manipulate file lock */ | |
911d1aaf TM |
4708 | fl->fl_start = (loff_t)offset; |
4709 | fl->fl_end = fl->fl_start + (loff_t)length - 1; | |
4710 | if (length == ~(uint64_t)0) | |
4711 | fl->fl_end = OFFSET_MAX; | |
4712 | fl->fl_type = F_WRLCK; | |
4713 | if (type & 1) | |
4714 | fl->fl_type = F_RDLCK; | |
4715 | fl->fl_pid = 0; | |
4716 | } | |
babddc72 BS |
4717 | p = xdr_decode_hyper(p, &clientid); /* read 8 bytes */ |
4718 | namelen = be32_to_cpup(p); /* read 4 bytes */ /* have read all 32 bytes now */ | |
4719 | p = xdr_inline_decode(xdr, namelen); /* variable size field */ | |
c0eae66e BH |
4720 | if (likely(p)) |
4721 | return -NFS4ERR_DENIED; | |
4722 | out_overflow: | |
4723 | print_overflow_msg(__func__, xdr); | |
4724 | return -EIO; | |
1da177e4 LT |
4725 | } |
4726 | ||
911d1aaf | 4727 | static int decode_lock(struct xdr_stream *xdr, struct nfs_lock_res *res) |
1da177e4 | 4728 | { |
1da177e4 LT |
4729 | int status; |
4730 | ||
4731 | status = decode_op_hdr(xdr, OP_LOCK); | |
c1d51931 TM |
4732 | if (status == -EIO) |
4733 | goto out; | |
1da177e4 | 4734 | if (status == 0) { |
07d30434 BH |
4735 | status = decode_stateid(xdr, &res->stateid); |
4736 | if (unlikely(status)) | |
4737 | goto out; | |
1da177e4 | 4738 | } else if (status == -NFS4ERR_DENIED) |
c1d51931 TM |
4739 | status = decode_lock_denied(xdr, NULL); |
4740 | if (res->open_seqid != NULL) | |
4741 | nfs_increment_open_seqid(status, res->open_seqid); | |
4742 | nfs_increment_lock_seqid(status, res->lock_seqid); | |
4743 | out: | |
1da177e4 LT |
4744 | return status; |
4745 | } | |
4746 | ||
911d1aaf | 4747 | static int decode_lockt(struct xdr_stream *xdr, struct nfs_lockt_res *res) |
1da177e4 LT |
4748 | { |
4749 | int status; | |
4750 | status = decode_op_hdr(xdr, OP_LOCKT); | |
4751 | if (status == -NFS4ERR_DENIED) | |
911d1aaf | 4752 | return decode_lock_denied(xdr, res->denied); |
1da177e4 LT |
4753 | return status; |
4754 | } | |
4755 | ||
911d1aaf | 4756 | static int decode_locku(struct xdr_stream *xdr, struct nfs_locku_res *res) |
1da177e4 | 4757 | { |
1da177e4 LT |
4758 | int status; |
4759 | ||
4760 | status = decode_op_hdr(xdr, OP_LOCKU); | |
c1d51931 TM |
4761 | if (status != -EIO) |
4762 | nfs_increment_lock_seqid(status, res->seqid); | |
07d30434 BH |
4763 | if (status == 0) |
4764 | status = decode_stateid(xdr, &res->stateid); | |
1da177e4 LT |
4765 | return status; |
4766 | } | |
4767 | ||
d3c7b7cc TM |
4768 | static int decode_release_lockowner(struct xdr_stream *xdr) |
4769 | { | |
4770 | return decode_op_hdr(xdr, OP_RELEASE_LOCKOWNER); | |
4771 | } | |
4772 | ||
1da177e4 LT |
4773 | static int decode_lookup(struct xdr_stream *xdr) |
4774 | { | |
4775 | return decode_op_hdr(xdr, OP_LOOKUP); | |
4776 | } | |
4777 | ||
4778 | /* This is too sick! */ | |
4779 | static int decode_space_limit(struct xdr_stream *xdr, u64 *maxsize) | |
4780 | { | |
05d564fe | 4781 | __be32 *p; |
1da177e4 LT |
4782 | uint32_t limit_type, nblocks, blocksize; |
4783 | ||
c0eae66e BH |
4784 | p = xdr_inline_decode(xdr, 12); |
4785 | if (unlikely(!p)) | |
4786 | goto out_overflow; | |
6f723f77 | 4787 | limit_type = be32_to_cpup(p++); |
1da177e4 | 4788 | switch (limit_type) { |
05d564fe | 4789 | case 1: |
cccddf4f | 4790 | xdr_decode_hyper(p, maxsize); |
05d564fe AA |
4791 | break; |
4792 | case 2: | |
6f723f77 | 4793 | nblocks = be32_to_cpup(p++); |
cccddf4f | 4794 | blocksize = be32_to_cpup(p); |
05d564fe | 4795 | *maxsize = (uint64_t)nblocks * (uint64_t)blocksize; |
1da177e4 LT |
4796 | } |
4797 | return 0; | |
c0eae66e BH |
4798 | out_overflow: |
4799 | print_overflow_msg(__func__, xdr); | |
4800 | return -EIO; | |
1da177e4 LT |
4801 | } |
4802 | ||
4803 | static int decode_delegation(struct xdr_stream *xdr, struct nfs_openres *res) | |
4804 | { | |
05d564fe AA |
4805 | __be32 *p; |
4806 | uint32_t delegation_type; | |
07d30434 | 4807 | int status; |
1da177e4 | 4808 | |
c0eae66e BH |
4809 | p = xdr_inline_decode(xdr, 4); |
4810 | if (unlikely(!p)) | |
4811 | goto out_overflow; | |
cccddf4f | 4812 | delegation_type = be32_to_cpup(p); |
1da177e4 LT |
4813 | if (delegation_type == NFS4_OPEN_DELEGATE_NONE) { |
4814 | res->delegation_type = 0; | |
4815 | return 0; | |
4816 | } | |
07d30434 BH |
4817 | status = decode_stateid(xdr, &res->delegation); |
4818 | if (unlikely(status)) | |
4819 | return status; | |
c0eae66e BH |
4820 | p = xdr_inline_decode(xdr, 4); |
4821 | if (unlikely(!p)) | |
4822 | goto out_overflow; | |
cccddf4f | 4823 | res->do_recall = be32_to_cpup(p); |
05d564fe | 4824 | |
1da177e4 | 4825 | switch (delegation_type) { |
05d564fe AA |
4826 | case NFS4_OPEN_DELEGATE_READ: |
4827 | res->delegation_type = FMODE_READ; | |
4828 | break; | |
4829 | case NFS4_OPEN_DELEGATE_WRITE: | |
4830 | res->delegation_type = FMODE_WRITE|FMODE_READ; | |
4831 | if (decode_space_limit(xdr, &res->maxsize) < 0) | |
1da177e4 LT |
4832 | return -EIO; |
4833 | } | |
7539bbab | 4834 | return decode_ace(xdr, NULL, res->server->nfs_client); |
c0eae66e BH |
4835 | out_overflow: |
4836 | print_overflow_msg(__func__, xdr); | |
4837 | return -EIO; | |
1da177e4 LT |
4838 | } |
4839 | ||
4840 | static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res) | |
4841 | { | |
05d564fe | 4842 | __be32 *p; |
aa53ed54 | 4843 | uint32_t savewords, bmlen, i; |
05d564fe | 4844 | int status; |
1da177e4 | 4845 | |
05d564fe | 4846 | status = decode_op_hdr(xdr, OP_OPEN); |
c1d51931 TM |
4847 | if (status != -EIO) |
4848 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4849 | if (!status) |
4850 | status = decode_stateid(xdr, &res->stateid); | |
4851 | if (unlikely(status)) | |
05d564fe | 4852 | return status; |
1da177e4 | 4853 | |
05d564fe | 4854 | decode_change_info(xdr, &res->cinfo); |
1da177e4 | 4855 | |
c0eae66e BH |
4856 | p = xdr_inline_decode(xdr, 8); |
4857 | if (unlikely(!p)) | |
4858 | goto out_overflow; | |
6f723f77 | 4859 | res->rflags = be32_to_cpup(p++); |
cccddf4f | 4860 | bmlen = be32_to_cpup(p); |
05d564fe AA |
4861 | if (bmlen > 10) |
4862 | goto xdr_error; | |
1da177e4 | 4863 | |
c0eae66e BH |
4864 | p = xdr_inline_decode(xdr, bmlen << 2); |
4865 | if (unlikely(!p)) | |
4866 | goto out_overflow; | |
aa53ed54 JL |
4867 | savewords = min_t(uint32_t, bmlen, NFS4_BITMAP_SIZE); |
4868 | for (i = 0; i < savewords; ++i) | |
6f723f77 | 4869 | res->attrset[i] = be32_to_cpup(p++); |
aa53ed54 JL |
4870 | for (; i < NFS4_BITMAP_SIZE; i++) |
4871 | res->attrset[i] = 0; | |
4872 | ||
1da177e4 LT |
4873 | return decode_delegation(xdr, res); |
4874 | xdr_error: | |
3110ff80 | 4875 | dprintk("%s: Bitmap too large! Length = %u\n", __func__, bmlen); |
1da177e4 | 4876 | return -EIO; |
c0eae66e BH |
4877 | out_overflow: |
4878 | print_overflow_msg(__func__, xdr); | |
4879 | return -EIO; | |
1da177e4 LT |
4880 | } |
4881 | ||
4882 | static int decode_open_confirm(struct xdr_stream *xdr, struct nfs_open_confirmres *res) | |
4883 | { | |
1da177e4 LT |
4884 | int status; |
4885 | ||
05d564fe | 4886 | status = decode_op_hdr(xdr, OP_OPEN_CONFIRM); |
c1d51931 TM |
4887 | if (status != -EIO) |
4888 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4889 | if (!status) |
4890 | status = decode_stateid(xdr, &res->stateid); | |
4891 | return status; | |
1da177e4 LT |
4892 | } |
4893 | ||
4894 | static int decode_open_downgrade(struct xdr_stream *xdr, struct nfs_closeres *res) | |
4895 | { | |
1da177e4 LT |
4896 | int status; |
4897 | ||
4898 | status = decode_op_hdr(xdr, OP_OPEN_DOWNGRADE); | |
c1d51931 TM |
4899 | if (status != -EIO) |
4900 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4901 | if (!status) |
4902 | status = decode_stateid(xdr, &res->stateid); | |
4903 | return status; | |
1da177e4 LT |
4904 | } |
4905 | ||
4906 | static int decode_putfh(struct xdr_stream *xdr) | |
4907 | { | |
4908 | return decode_op_hdr(xdr, OP_PUTFH); | |
4909 | } | |
4910 | ||
4911 | static int decode_putrootfh(struct xdr_stream *xdr) | |
4912 | { | |
4913 | return decode_op_hdr(xdr, OP_PUTROOTFH); | |
4914 | } | |
4915 | ||
4916 | static int decode_read(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs_readres *res) | |
4917 | { | |
4918 | struct kvec *iov = req->rq_rcv_buf.head; | |
8687b63a | 4919 | __be32 *p; |
1da177e4 LT |
4920 | uint32_t count, eof, recvd, hdrlen; |
4921 | int status; | |
4922 | ||
4923 | status = decode_op_hdr(xdr, OP_READ); | |
4924 | if (status) | |
4925 | return status; | |
c0eae66e BH |
4926 | p = xdr_inline_decode(xdr, 8); |
4927 | if (unlikely(!p)) | |
4928 | goto out_overflow; | |
6f723f77 | 4929 | eof = be32_to_cpup(p++); |
cccddf4f | 4930 | count = be32_to_cpup(p); |
8111f373 | 4931 | hdrlen = (u8 *) xdr->p - (u8 *) iov->iov_base; |
1da177e4 LT |
4932 | recvd = req->rq_rcv_buf.len - hdrlen; |
4933 | if (count > recvd) { | |
fe82a183 | 4934 | dprintk("NFS: server cheating in read reply: " |
1da177e4 LT |
4935 | "count %u > recvd %u\n", count, recvd); |
4936 | count = recvd; | |
4937 | eof = 0; | |
4938 | } | |
4939 | xdr_read_pages(xdr, count); | |
4940 | res->eof = eof; | |
4941 | res->count = count; | |
4942 | return 0; | |
c0eae66e BH |
4943 | out_overflow: |
4944 | print_overflow_msg(__func__, xdr); | |
4945 | return -EIO; | |
1da177e4 LT |
4946 | } |
4947 | ||
4948 | static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs4_readdir_res *readdir) | |
4949 | { | |
4950 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; | |
1da177e4 | 4951 | struct kvec *iov = rcvbuf->head; |
bcecff77 CL |
4952 | size_t hdrlen; |
4953 | u32 recvd, pglen = rcvbuf->page_len; | |
bcecff77 | 4954 | int status; |
cd93710e | 4955 | __be32 verf[2]; |
1da177e4 LT |
4956 | |
4957 | status = decode_op_hdr(xdr, OP_READDIR); | |
db942bbd BH |
4958 | if (!status) |
4959 | status = decode_verifier(xdr, readdir->verifier.data); | |
4960 | if (unlikely(status)) | |
1da177e4 | 4961 | return status; |
cd93710e | 4962 | memcpy(verf, readdir->verifier.data, sizeof(verf)); |
44109241 | 4963 | dprintk("%s: verifier = %08x:%08x\n", |
cd93710e | 4964 | __func__, verf[0], verf[1]); |
1da177e4 | 4965 | |
db942bbd | 4966 | hdrlen = (char *) xdr->p - (char *) iov->iov_base; |
1da177e4 LT |
4967 | recvd = rcvbuf->len - hdrlen; |
4968 | if (pglen > recvd) | |
4969 | pglen = recvd; | |
4970 | xdr_read_pages(xdr, pglen); | |
4971 | ||
afa8ccc9 | 4972 | |
ac396128 | 4973 | return pglen; |
1da177e4 LT |
4974 | } |
4975 | ||
4976 | static int decode_readlink(struct xdr_stream *xdr, struct rpc_rqst *req) | |
4977 | { | |
4978 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; | |
4979 | struct kvec *iov = rcvbuf->head; | |
bcecff77 CL |
4980 | size_t hdrlen; |
4981 | u32 len, recvd; | |
8687b63a | 4982 | __be32 *p; |
1da177e4 LT |
4983 | int status; |
4984 | ||
4985 | status = decode_op_hdr(xdr, OP_READLINK); | |
4986 | if (status) | |
4987 | return status; | |
4988 | ||
4989 | /* Convert length of symlink */ | |
c0eae66e BH |
4990 | p = xdr_inline_decode(xdr, 4); |
4991 | if (unlikely(!p)) | |
4992 | goto out_overflow; | |
cccddf4f | 4993 | len = be32_to_cpup(p); |
1da177e4 | 4994 | if (len >= rcvbuf->page_len || len <= 0) { |
fe82a183 | 4995 | dprintk("nfs: server returned giant symlink!\n"); |
1da177e4 LT |
4996 | return -ENAMETOOLONG; |
4997 | } | |
4998 | hdrlen = (char *) xdr->p - (char *) iov->iov_base; | |
4999 | recvd = req->rq_rcv_buf.len - hdrlen; | |
5000 | if (recvd < len) { | |
fe82a183 | 5001 | dprintk("NFS: server cheating in readlink reply: " |
1da177e4 LT |
5002 | "count %u > recvd %u\n", len, recvd); |
5003 | return -EIO; | |
5004 | } | |
5005 | xdr_read_pages(xdr, len); | |
5006 | /* | |
5007 | * The XDR encode routine has set things up so that | |
5008 | * the link text will be copied directly into the | |
5009 | * buffer. We just have to do overflow-checking, | |
5010 | * and and null-terminate the text (the VFS expects | |
5011 | * null-termination). | |
5012 | */ | |
b4687da7 | 5013 | xdr_terminate_string(rcvbuf, len); |
1da177e4 | 5014 | return 0; |
c0eae66e BH |
5015 | out_overflow: |
5016 | print_overflow_msg(__func__, xdr); | |
5017 | return -EIO; | |
1da177e4 LT |
5018 | } |
5019 | ||
5020 | static int decode_remove(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
5021 | { | |
5022 | int status; | |
5023 | ||
5024 | status = decode_op_hdr(xdr, OP_REMOVE); | |
5025 | if (status) | |
5026 | goto out; | |
5027 | status = decode_change_info(xdr, cinfo); | |
5028 | out: | |
5029 | return status; | |
5030 | } | |
5031 | ||
5032 | static int decode_rename(struct xdr_stream *xdr, struct nfs4_change_info *old_cinfo, | |
5033 | struct nfs4_change_info *new_cinfo) | |
5034 | { | |
5035 | int status; | |
5036 | ||
5037 | status = decode_op_hdr(xdr, OP_RENAME); | |
5038 | if (status) | |
5039 | goto out; | |
5040 | if ((status = decode_change_info(xdr, old_cinfo))) | |
5041 | goto out; | |
5042 | status = decode_change_info(xdr, new_cinfo); | |
5043 | out: | |
5044 | return status; | |
5045 | } | |
5046 | ||
5047 | static int decode_renew(struct xdr_stream *xdr) | |
5048 | { | |
5049 | return decode_op_hdr(xdr, OP_RENEW); | |
5050 | } | |
5051 | ||
56ae19f3 TM |
5052 | static int |
5053 | decode_restorefh(struct xdr_stream *xdr) | |
5054 | { | |
5055 | return decode_op_hdr(xdr, OP_RESTOREFH); | |
5056 | } | |
5057 | ||
029d105e | 5058 | static int decode_getacl(struct xdr_stream *xdr, struct rpc_rqst *req, |
bf118a34 | 5059 | struct nfs_getaclres *res) |
029d105e | 5060 | { |
bf118a34 | 5061 | __be32 *savep, *bm_p; |
029d105e | 5062 | uint32_t attrlen, |
dae100c2 | 5063 | bitmap[3] = {0}; |
029d105e BF |
5064 | struct kvec *iov = req->rq_rcv_buf.head; |
5065 | int status; | |
5a006899 | 5066 | size_t page_len = xdr->buf->page_len; |
029d105e | 5067 | |
bf118a34 | 5068 | res->acl_len = 0; |
029d105e BF |
5069 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
5070 | goto out; | |
5a006899 | 5071 | |
bf118a34 | 5072 | bm_p = xdr->p; |
5a006899 SP |
5073 | res->acl_data_offset = be32_to_cpup(bm_p) + 2; |
5074 | res->acl_data_offset <<= 2; | |
5075 | /* Check if the acl data starts beyond the allocated buffer */ | |
5076 | if (res->acl_data_offset > page_len) | |
5077 | return -ERANGE; | |
5078 | ||
029d105e BF |
5079 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) |
5080 | goto out; | |
5081 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
5082 | goto out; | |
5083 | ||
5084 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACL - 1U))) | |
5085 | return -EIO; | |
5086 | if (likely(bitmap[0] & FATTR4_WORD0_ACL)) { | |
bcecff77 | 5087 | size_t hdrlen; |
029d105e | 5088 | |
bf118a34 AA |
5089 | /* The bitmap (xdr len + bitmaps) and the attr xdr len words |
5090 | * are stored with the acl data to handle the problem of | |
5091 | * variable length bitmaps.*/ | |
5092 | xdr->p = bm_p; | |
bf118a34 | 5093 | |
029d105e BF |
5094 | /* We ignore &savep and don't do consistency checks on |
5095 | * the attr length. Let userspace figure it out.... */ | |
5096 | hdrlen = (u8 *)xdr->p - (u8 *)iov->iov_base; | |
bf118a34 | 5097 | attrlen += res->acl_data_offset; |
5a006899 | 5098 | if (attrlen > page_len) { |
bf118a34 AA |
5099 | if (res->acl_flags & NFS4_ACL_LEN_REQUEST) { |
5100 | /* getxattr interface called with a NULL buf */ | |
5101 | res->acl_len = attrlen; | |
5102 | goto out; | |
5103 | } | |
5794d21e | 5104 | dprintk("NFS: acl reply: attrlen %u > page_len %zu\n", |
5a006899 | 5105 | attrlen, page_len); |
029d105e BF |
5106 | return -EINVAL; |
5107 | } | |
c04871e6 | 5108 | xdr_read_pages(xdr, attrlen); |
bf118a34 | 5109 | res->acl_len = attrlen; |
8c233cf9 BF |
5110 | } else |
5111 | status = -EOPNOTSUPP; | |
029d105e BF |
5112 | |
5113 | out: | |
5114 | return status; | |
5115 | } | |
5116 | ||
1da177e4 LT |
5117 | static int |
5118 | decode_savefh(struct xdr_stream *xdr) | |
5119 | { | |
5120 | return decode_op_hdr(xdr, OP_SAVEFH); | |
5121 | } | |
5122 | ||
9e9ecc03 | 5123 | static int decode_setattr(struct xdr_stream *xdr) |
1da177e4 | 5124 | { |
8687b63a | 5125 | __be32 *p; |
1da177e4 LT |
5126 | uint32_t bmlen; |
5127 | int status; | |
5128 | ||
1da177e4 LT |
5129 | status = decode_op_hdr(xdr, OP_SETATTR); |
5130 | if (status) | |
5131 | return status; | |
c0eae66e BH |
5132 | p = xdr_inline_decode(xdr, 4); |
5133 | if (unlikely(!p)) | |
5134 | goto out_overflow; | |
cccddf4f | 5135 | bmlen = be32_to_cpup(p); |
c0eae66e BH |
5136 | p = xdr_inline_decode(xdr, bmlen << 2); |
5137 | if (likely(p)) | |
5138 | return 0; | |
5139 | out_overflow: | |
5140 | print_overflow_msg(__func__, xdr); | |
5141 | return -EIO; | |
1da177e4 LT |
5142 | } |
5143 | ||
bb8b27e5 | 5144 | static int decode_setclientid(struct xdr_stream *xdr, struct nfs4_setclientid_res *res) |
1da177e4 | 5145 | { |
8687b63a | 5146 | __be32 *p; |
1da177e4 LT |
5147 | uint32_t opnum; |
5148 | int32_t nfserr; | |
5149 | ||
c0eae66e BH |
5150 | p = xdr_inline_decode(xdr, 8); |
5151 | if (unlikely(!p)) | |
5152 | goto out_overflow; | |
6f723f77 | 5153 | opnum = be32_to_cpup(p++); |
1da177e4 | 5154 | if (opnum != OP_SETCLIENTID) { |
fe82a183 | 5155 | dprintk("nfs: decode_setclientid: Server returned operation" |
6c0195a4 | 5156 | " %d\n", opnum); |
1da177e4 LT |
5157 | return -EIO; |
5158 | } | |
cccddf4f | 5159 | nfserr = be32_to_cpup(p); |
1da177e4 | 5160 | if (nfserr == NFS_OK) { |
c0eae66e BH |
5161 | p = xdr_inline_decode(xdr, 8 + NFS4_VERIFIER_SIZE); |
5162 | if (unlikely(!p)) | |
5163 | goto out_overflow; | |
bb8b27e5 TM |
5164 | p = xdr_decode_hyper(p, &res->clientid); |
5165 | memcpy(res->confirm.data, p, NFS4_VERIFIER_SIZE); | |
1da177e4 LT |
5166 | } else if (nfserr == NFSERR_CLID_INUSE) { |
5167 | uint32_t len; | |
5168 | ||
5169 | /* skip netid string */ | |
c0eae66e BH |
5170 | p = xdr_inline_decode(xdr, 4); |
5171 | if (unlikely(!p)) | |
5172 | goto out_overflow; | |
cccddf4f | 5173 | len = be32_to_cpup(p); |
c0eae66e BH |
5174 | p = xdr_inline_decode(xdr, len); |
5175 | if (unlikely(!p)) | |
5176 | goto out_overflow; | |
1da177e4 LT |
5177 | |
5178 | /* skip uaddr string */ | |
c0eae66e BH |
5179 | p = xdr_inline_decode(xdr, 4); |
5180 | if (unlikely(!p)) | |
5181 | goto out_overflow; | |
cccddf4f | 5182 | len = be32_to_cpup(p); |
c0eae66e BH |
5183 | p = xdr_inline_decode(xdr, len); |
5184 | if (unlikely(!p)) | |
5185 | goto out_overflow; | |
1da177e4 LT |
5186 | return -NFSERR_CLID_INUSE; |
5187 | } else | |
856dff3d | 5188 | return nfs4_stat_to_errno(nfserr); |
1da177e4 LT |
5189 | |
5190 | return 0; | |
c0eae66e BH |
5191 | out_overflow: |
5192 | print_overflow_msg(__func__, xdr); | |
5193 | return -EIO; | |
1da177e4 LT |
5194 | } |
5195 | ||
5196 | static int decode_setclientid_confirm(struct xdr_stream *xdr) | |
5197 | { | |
5198 | return decode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM); | |
5199 | } | |
5200 | ||
5201 | static int decode_write(struct xdr_stream *xdr, struct nfs_writeres *res) | |
5202 | { | |
8687b63a | 5203 | __be32 *p; |
1da177e4 LT |
5204 | int status; |
5205 | ||
5206 | status = decode_op_hdr(xdr, OP_WRITE); | |
5207 | if (status) | |
5208 | return status; | |
5209 | ||
c0eae66e BH |
5210 | p = xdr_inline_decode(xdr, 16); |
5211 | if (unlikely(!p)) | |
5212 | goto out_overflow; | |
6f723f77 BH |
5213 | res->count = be32_to_cpup(p++); |
5214 | res->verf->committed = be32_to_cpup(p++); | |
cd93710e | 5215 | memcpy(res->verf->verifier, p, NFS4_VERIFIER_SIZE); |
1da177e4 | 5216 | return 0; |
c0eae66e BH |
5217 | out_overflow: |
5218 | print_overflow_msg(__func__, xdr); | |
5219 | return -EIO; | |
1da177e4 LT |
5220 | } |
5221 | ||
5222 | static int decode_delegreturn(struct xdr_stream *xdr) | |
5223 | { | |
5224 | return decode_op_hdr(xdr, OP_DELEGRETURN); | |
5225 | } | |
5226 | ||
5a5ea0d4 BS |
5227 | static int decode_secinfo_gss(struct xdr_stream *xdr, struct nfs4_secinfo_flavor *flavor) |
5228 | { | |
5229 | __be32 *p; | |
5230 | ||
5231 | p = xdr_inline_decode(xdr, 4); | |
5232 | if (unlikely(!p)) | |
5233 | goto out_overflow; | |
5234 | flavor->gss.sec_oid4.len = be32_to_cpup(p); | |
5235 | if (flavor->gss.sec_oid4.len > GSS_OID_MAX_LEN) | |
5236 | goto out_err; | |
5237 | ||
5238 | p = xdr_inline_decode(xdr, flavor->gss.sec_oid4.len); | |
5239 | if (unlikely(!p)) | |
5240 | goto out_overflow; | |
5241 | memcpy(flavor->gss.sec_oid4.data, p, flavor->gss.sec_oid4.len); | |
5242 | ||
5243 | p = xdr_inline_decode(xdr, 8); | |
5244 | if (unlikely(!p)) | |
5245 | goto out_overflow; | |
5246 | flavor->gss.qop4 = be32_to_cpup(p++); | |
5247 | flavor->gss.service = be32_to_cpup(p); | |
5248 | ||
5249 | return 0; | |
5250 | ||
5251 | out_overflow: | |
5252 | print_overflow_msg(__func__, xdr); | |
5253 | return -EIO; | |
5254 | out_err: | |
5255 | return -EINVAL; | |
5256 | } | |
5257 | ||
31e4dda4 | 5258 | static int decode_secinfo_common(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
5a5ea0d4 BS |
5259 | { |
5260 | struct nfs4_secinfo_flavor *sec_flavor; | |
5261 | int status; | |
5262 | __be32 *p; | |
c3dfc280 | 5263 | int i, num_flavors; |
5a5ea0d4 | 5264 | |
5a5ea0d4 BS |
5265 | p = xdr_inline_decode(xdr, 4); |
5266 | if (unlikely(!p)) | |
5267 | goto out_overflow; | |
5a5ea0d4 | 5268 | |
c3dfc280 BS |
5269 | res->flavors->num_flavors = 0; |
5270 | num_flavors = be32_to_cpup(p); | |
5271 | ||
5272 | for (i = 0; i < num_flavors; i++) { | |
5a5ea0d4 | 5273 | sec_flavor = &res->flavors->flavors[i]; |
c3dfc280 | 5274 | if ((char *)&sec_flavor[1] - (char *)res->flavors > PAGE_SIZE) |
5a5ea0d4 BS |
5275 | break; |
5276 | ||
5277 | p = xdr_inline_decode(xdr, 4); | |
5278 | if (unlikely(!p)) | |
5279 | goto out_overflow; | |
5280 | sec_flavor->flavor = be32_to_cpup(p); | |
5281 | ||
5282 | if (sec_flavor->flavor == RPC_AUTH_GSS) { | |
613e901e BS |
5283 | status = decode_secinfo_gss(xdr, sec_flavor); |
5284 | if (status) | |
5285 | goto out; | |
5a5ea0d4 | 5286 | } |
c3dfc280 | 5287 | res->flavors->num_flavors++; |
5a5ea0d4 BS |
5288 | } |
5289 | ||
31e4dda4 | 5290 | status = 0; |
613e901e BS |
5291 | out: |
5292 | return status; | |
5a5ea0d4 BS |
5293 | out_overflow: |
5294 | print_overflow_msg(__func__, xdr); | |
5295 | return -EIO; | |
5296 | } | |
5297 | ||
31e4dda4 BS |
5298 | static int decode_secinfo(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
5299 | { | |
5300 | int status = decode_op_hdr(xdr, OP_SECINFO); | |
5301 | if (status) | |
5302 | return status; | |
5303 | return decode_secinfo_common(xdr, res); | |
5304 | } | |
5305 | ||
99fe60d0 | 5306 | #if defined(CONFIG_NFS_V4_1) |
31e4dda4 BS |
5307 | static int decode_secinfo_no_name(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
5308 | { | |
5309 | int status = decode_op_hdr(xdr, OP_SECINFO_NO_NAME); | |
5310 | if (status) | |
5311 | return status; | |
5312 | return decode_secinfo_common(xdr, res); | |
5313 | } | |
5314 | ||
99fe60d0 BH |
5315 | static int decode_exchange_id(struct xdr_stream *xdr, |
5316 | struct nfs41_exchange_id_res *res) | |
5317 | { | |
5318 | __be32 *p; | |
5319 | uint32_t dummy; | |
2460ba57 | 5320 | char *dummy_str; |
99fe60d0 | 5321 | int status; |
7d2ed9ac | 5322 | uint32_t impl_id_count; |
99fe60d0 BH |
5323 | |
5324 | status = decode_op_hdr(xdr, OP_EXCHANGE_ID); | |
5325 | if (status) | |
5326 | return status; | |
5327 | ||
c0eae66e BH |
5328 | p = xdr_inline_decode(xdr, 8); |
5329 | if (unlikely(!p)) | |
5330 | goto out_overflow; | |
32b01310 | 5331 | xdr_decode_hyper(p, &res->clientid); |
c0eae66e BH |
5332 | p = xdr_inline_decode(xdr, 12); |
5333 | if (unlikely(!p)) | |
5334 | goto out_overflow; | |
32b01310 TM |
5335 | res->seqid = be32_to_cpup(p++); |
5336 | res->flags = be32_to_cpup(p++); | |
99fe60d0 BH |
5337 | |
5338 | /* We ask for SP4_NONE */ | |
cccddf4f | 5339 | dummy = be32_to_cpup(p); |
99fe60d0 BH |
5340 | if (dummy != SP4_NONE) |
5341 | return -EIO; | |
5342 | ||
acdeb69d | 5343 | /* server_owner4.so_minor_id */ |
c0eae66e BH |
5344 | p = xdr_inline_decode(xdr, 8); |
5345 | if (unlikely(!p)) | |
5346 | goto out_overflow; | |
acdeb69d | 5347 | p = xdr_decode_hyper(p, &res->server_owner->minor_id); |
99fe60d0 | 5348 | |
acdeb69d | 5349 | /* server_owner4.so_major_id */ |
2460ba57 BH |
5350 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
5351 | if (unlikely(status)) | |
5352 | return status; | |
acdeb69d CL |
5353 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) |
5354 | return -EIO; | |
5355 | memcpy(res->server_owner->major_id, dummy_str, dummy); | |
5356 | res->server_owner->major_id_sz = dummy; | |
99fe60d0 | 5357 | |
acdeb69d | 5358 | /* server_scope4 */ |
2460ba57 BH |
5359 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
5360 | if (unlikely(status)) | |
5361 | return status; | |
78fe0f41 WAA |
5362 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) |
5363 | return -EIO; | |
78fe0f41 WAA |
5364 | memcpy(res->server_scope->server_scope, dummy_str, dummy); |
5365 | res->server_scope->server_scope_sz = dummy; | |
5366 | ||
7d2ed9ac WAA |
5367 | /* Implementation Id */ |
5368 | p = xdr_inline_decode(xdr, 4); | |
5369 | if (unlikely(!p)) | |
5370 | goto out_overflow; | |
5371 | impl_id_count = be32_to_cpup(p++); | |
99fe60d0 | 5372 | |
7d2ed9ac WAA |
5373 | if (impl_id_count) { |
5374 | /* nii_domain */ | |
5375 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); | |
5376 | if (unlikely(status)) | |
5377 | return status; | |
5378 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) | |
5379 | return -EIO; | |
5380 | memcpy(res->impl_id->domain, dummy_str, dummy); | |
5381 | ||
5382 | /* nii_name */ | |
5383 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); | |
5384 | if (unlikely(status)) | |
5385 | return status; | |
5386 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) | |
5387 | return -EIO; | |
5388 | memcpy(res->impl_id->name, dummy_str, dummy); | |
5389 | ||
5390 | /* nii_date */ | |
5391 | p = xdr_inline_decode(xdr, 12); | |
5392 | if (unlikely(!p)) | |
5393 | goto out_overflow; | |
5394 | p = xdr_decode_hyper(p, &res->impl_id->date.seconds); | |
5395 | res->impl_id->date.nseconds = be32_to_cpup(p); | |
5396 | ||
5397 | /* if there's more than one entry, ignore the rest */ | |
5398 | } | |
99fe60d0 | 5399 | return 0; |
c0eae66e BH |
5400 | out_overflow: |
5401 | print_overflow_msg(__func__, xdr); | |
5402 | return -EIO; | |
99fe60d0 | 5403 | } |
fc931582 AA |
5404 | |
5405 | static int decode_chan_attrs(struct xdr_stream *xdr, | |
5406 | struct nfs4_channel_attrs *attrs) | |
5407 | { | |
5408 | __be32 *p; | |
c9c30dd5 | 5409 | u32 nr_attrs, val; |
fc931582 | 5410 | |
c0eae66e BH |
5411 | p = xdr_inline_decode(xdr, 28); |
5412 | if (unlikely(!p)) | |
5413 | goto out_overflow; | |
c9c30dd5 BH |
5414 | val = be32_to_cpup(p++); /* headerpadsz */ |
5415 | if (val) | |
5416 | return -EINVAL; /* no support for header padding yet */ | |
6f723f77 BH |
5417 | attrs->max_rqst_sz = be32_to_cpup(p++); |
5418 | attrs->max_resp_sz = be32_to_cpup(p++); | |
5419 | attrs->max_resp_sz_cached = be32_to_cpup(p++); | |
5420 | attrs->max_ops = be32_to_cpup(p++); | |
5421 | attrs->max_reqs = be32_to_cpup(p++); | |
cccddf4f | 5422 | nr_attrs = be32_to_cpup(p); |
fc931582 | 5423 | if (unlikely(nr_attrs > 1)) { |
a030889a WAA |
5424 | printk(KERN_WARNING "NFS: %s: Invalid rdma channel attrs " |
5425 | "count %u\n", __func__, nr_attrs); | |
fc931582 AA |
5426 | return -EINVAL; |
5427 | } | |
c0eae66e BH |
5428 | if (nr_attrs == 1) { |
5429 | p = xdr_inline_decode(xdr, 4); /* skip rdma_attrs */ | |
5430 | if (unlikely(!p)) | |
5431 | goto out_overflow; | |
5432 | } | |
fc931582 | 5433 | return 0; |
c0eae66e BH |
5434 | out_overflow: |
5435 | print_overflow_msg(__func__, xdr); | |
5436 | return -EIO; | |
fc931582 AA |
5437 | } |
5438 | ||
e78291e4 BH |
5439 | static int decode_sessionid(struct xdr_stream *xdr, struct nfs4_sessionid *sid) |
5440 | { | |
5441 | return decode_opaque_fixed(xdr, sid->data, NFS4_MAX_SESSIONID_LEN); | |
fc931582 AA |
5442 | } |
5443 | ||
7c44f1ae WAA |
5444 | static int decode_bind_conn_to_session(struct xdr_stream *xdr, |
5445 | struct nfs41_bind_conn_to_session_res *res) | |
5446 | { | |
5447 | __be32 *p; | |
5448 | int status; | |
5449 | ||
5450 | status = decode_op_hdr(xdr, OP_BIND_CONN_TO_SESSION); | |
5451 | if (!status) | |
5452 | status = decode_sessionid(xdr, &res->session->sess_id); | |
5453 | if (unlikely(status)) | |
5454 | return status; | |
5455 | ||
5456 | /* dir flags, rdma mode bool */ | |
5457 | p = xdr_inline_decode(xdr, 8); | |
5458 | if (unlikely(!p)) | |
5459 | goto out_overflow; | |
5460 | ||
5461 | res->dir = be32_to_cpup(p++); | |
5462 | if (res->dir == 0 || res->dir > NFS4_CDFS4_BOTH) | |
5463 | return -EIO; | |
5464 | if (be32_to_cpup(p) == 0) | |
5465 | res->use_conn_in_rdma_mode = false; | |
5466 | else | |
5467 | res->use_conn_in_rdma_mode = true; | |
5468 | ||
5469 | return 0; | |
5470 | out_overflow: | |
5471 | print_overflow_msg(__func__, xdr); | |
5472 | return -EIO; | |
5473 | } | |
5474 | ||
fc931582 AA |
5475 | static int decode_create_session(struct xdr_stream *xdr, |
5476 | struct nfs41_create_session_res *res) | |
5477 | { | |
5478 | __be32 *p; | |
5479 | int status; | |
5480 | struct nfs_client *clp = res->client; | |
5481 | struct nfs4_session *session = clp->cl_session; | |
5482 | ||
5483 | status = decode_op_hdr(xdr, OP_CREATE_SESSION); | |
e78291e4 BH |
5484 | if (!status) |
5485 | status = decode_sessionid(xdr, &session->sess_id); | |
5486 | if (unlikely(status)) | |
fc931582 AA |
5487 | return status; |
5488 | ||
fc931582 | 5489 | /* seqid, flags */ |
c0eae66e BH |
5490 | p = xdr_inline_decode(xdr, 8); |
5491 | if (unlikely(!p)) | |
5492 | goto out_overflow; | |
6f723f77 | 5493 | clp->cl_seqid = be32_to_cpup(p++); |
cccddf4f | 5494 | session->flags = be32_to_cpup(p); |
fc931582 AA |
5495 | |
5496 | /* Channel attributes */ | |
5497 | status = decode_chan_attrs(xdr, &session->fc_attrs); | |
5498 | if (!status) | |
5499 | status = decode_chan_attrs(xdr, &session->bc_attrs); | |
5500 | return status; | |
c0eae66e BH |
5501 | out_overflow: |
5502 | print_overflow_msg(__func__, xdr); | |
5503 | return -EIO; | |
fc931582 | 5504 | } |
0f3e66c6 AA |
5505 | |
5506 | static int decode_destroy_session(struct xdr_stream *xdr, void *dummy) | |
5507 | { | |
5508 | return decode_op_hdr(xdr, OP_DESTROY_SESSION); | |
5509 | } | |
18019753 | 5510 | |
66245539 TM |
5511 | static int decode_destroy_clientid(struct xdr_stream *xdr, void *dummy) |
5512 | { | |
5513 | return decode_op_hdr(xdr, OP_DESTROY_CLIENTID); | |
5514 | } | |
5515 | ||
18019753 RL |
5516 | static int decode_reclaim_complete(struct xdr_stream *xdr, void *dummy) |
5517 | { | |
5518 | return decode_op_hdr(xdr, OP_RECLAIM_COMPLETE); | |
5519 | } | |
99fe60d0 BH |
5520 | #endif /* CONFIG_NFS_V4_1 */ |
5521 | ||
9b7b9fcc AA |
5522 | static int decode_sequence(struct xdr_stream *xdr, |
5523 | struct nfs4_sequence_res *res, | |
5524 | struct rpc_rqst *rqstp) | |
5525 | { | |
5526 | #if defined(CONFIG_NFS_V4_1) | |
fc01cea9 AA |
5527 | struct nfs4_sessionid id; |
5528 | u32 dummy; | |
5529 | int status; | |
5530 | __be32 *p; | |
5531 | ||
9b7b9fcc AA |
5532 | if (!res->sr_session) |
5533 | return 0; | |
5534 | ||
fc01cea9 | 5535 | status = decode_op_hdr(xdr, OP_SEQUENCE); |
e78291e4 BH |
5536 | if (!status) |
5537 | status = decode_sessionid(xdr, &id); | |
5538 | if (unlikely(status)) | |
fc01cea9 | 5539 | goto out_err; |
9b7b9fcc | 5540 | |
fc01cea9 AA |
5541 | /* |
5542 | * If the server returns different values for sessionID, slotID or | |
5543 | * sequence number, the server is looney tunes. | |
5544 | */ | |
fdcb4577 | 5545 | status = -EREMOTEIO; |
fc01cea9 | 5546 | |
fc01cea9 AA |
5547 | if (memcmp(id.data, res->sr_session->sess_id.data, |
5548 | NFS4_MAX_SESSIONID_LEN)) { | |
5549 | dprintk("%s Invalid session id\n", __func__); | |
5550 | goto out_err; | |
5551 | } | |
e78291e4 | 5552 | |
c0eae66e BH |
5553 | p = xdr_inline_decode(xdr, 20); |
5554 | if (unlikely(!p)) | |
5555 | goto out_overflow; | |
e78291e4 | 5556 | |
fc01cea9 | 5557 | /* seqid */ |
6f723f77 | 5558 | dummy = be32_to_cpup(p++); |
dfb4f309 | 5559 | if (dummy != res->sr_slot->seq_nr) { |
fc01cea9 AA |
5560 | dprintk("%s Invalid sequence number\n", __func__); |
5561 | goto out_err; | |
5562 | } | |
5563 | /* slot id */ | |
6f723f77 | 5564 | dummy = be32_to_cpup(p++); |
dfb4f309 | 5565 | if (dummy != res->sr_slot - res->sr_session->fc_slot_table.slots) { |
fc01cea9 AA |
5566 | dprintk("%s Invalid slot id\n", __func__); |
5567 | goto out_err; | |
5568 | } | |
5569 | /* highest slot id - currently not processed */ | |
6f723f77 | 5570 | dummy = be32_to_cpup(p++); |
fc01cea9 | 5571 | /* target highest slot id - currently not processed */ |
6f723f77 | 5572 | dummy = be32_to_cpup(p++); |
0629e370 AB |
5573 | /* result flags */ |
5574 | res->sr_status_flags = be32_to_cpup(p); | |
fc01cea9 AA |
5575 | status = 0; |
5576 | out_err: | |
5577 | res->sr_status = status; | |
5578 | return status; | |
c0eae66e BH |
5579 | out_overflow: |
5580 | print_overflow_msg(__func__, xdr); | |
5581 | status = -EIO; | |
5582 | goto out_err; | |
fc01cea9 | 5583 | #else /* CONFIG_NFS_V4_1 */ |
9b7b9fcc | 5584 | return 0; |
fc01cea9 | 5585 | #endif /* CONFIG_NFS_V4_1 */ |
9b7b9fcc AA |
5586 | } |
5587 | ||
b1f69b75 | 5588 | #if defined(CONFIG_NFS_V4_1) |
7f11d8d3 AA |
5589 | /* |
5590 | * TODO: Need to handle case when EOF != true; | |
5591 | */ | |
5592 | static int decode_getdevicelist(struct xdr_stream *xdr, | |
5593 | struct pnfs_devicelist *res) | |
5594 | { | |
5595 | __be32 *p; | |
5596 | int status, i; | |
5597 | struct nfs_writeverf verftemp; | |
5598 | ||
5599 | status = decode_op_hdr(xdr, OP_GETDEVICELIST); | |
5600 | if (status) | |
5601 | return status; | |
5602 | ||
5603 | p = xdr_inline_decode(xdr, 8 + 8 + 4); | |
5604 | if (unlikely(!p)) | |
5605 | goto out_overflow; | |
5606 | ||
5607 | /* TODO: Skip cookie for now */ | |
5608 | p += 2; | |
5609 | ||
5610 | /* Read verifier */ | |
cd93710e | 5611 | p = xdr_decode_opaque_fixed(p, verftemp.verifier, NFS4_VERIFIER_SIZE); |
7f11d8d3 AA |
5612 | |
5613 | res->num_devs = be32_to_cpup(p); | |
5614 | ||
5615 | dprintk("%s: num_dev %d\n", __func__, res->num_devs); | |
5616 | ||
5617 | if (res->num_devs > NFS4_PNFS_GETDEVLIST_MAXNUM) { | |
a030889a | 5618 | printk(KERN_ERR "NFS: %s too many result dev_num %u\n", |
7f11d8d3 AA |
5619 | __func__, res->num_devs); |
5620 | return -EIO; | |
5621 | } | |
5622 | ||
5623 | p = xdr_inline_decode(xdr, | |
5624 | res->num_devs * NFS4_DEVICEID4_SIZE + 4); | |
5625 | if (unlikely(!p)) | |
5626 | goto out_overflow; | |
5627 | for (i = 0; i < res->num_devs; i++) | |
5628 | p = xdr_decode_opaque_fixed(p, res->dev_id[i].data, | |
5629 | NFS4_DEVICEID4_SIZE); | |
5630 | res->eof = be32_to_cpup(p); | |
5631 | return 0; | |
5632 | out_overflow: | |
5633 | print_overflow_msg(__func__, xdr); | |
5634 | return -EIO; | |
5635 | } | |
b1f69b75 AA |
5636 | |
5637 | static int decode_getdeviceinfo(struct xdr_stream *xdr, | |
5638 | struct pnfs_device *pdev) | |
5639 | { | |
5640 | __be32 *p; | |
5641 | uint32_t len, type; | |
5642 | int status; | |
5643 | ||
5644 | status = decode_op_hdr(xdr, OP_GETDEVICEINFO); | |
5645 | if (status) { | |
5646 | if (status == -ETOOSMALL) { | |
5647 | p = xdr_inline_decode(xdr, 4); | |
5648 | if (unlikely(!p)) | |
5649 | goto out_overflow; | |
5650 | pdev->mincount = be32_to_cpup(p); | |
5651 | dprintk("%s: Min count too small. mincnt = %u\n", | |
5652 | __func__, pdev->mincount); | |
5653 | } | |
5654 | return status; | |
5655 | } | |
5656 | ||
5657 | p = xdr_inline_decode(xdr, 8); | |
5658 | if (unlikely(!p)) | |
5659 | goto out_overflow; | |
5660 | type = be32_to_cpup(p++); | |
5661 | if (type != pdev->layout_type) { | |
5662 | dprintk("%s: layout mismatch req: %u pdev: %u\n", | |
5663 | __func__, pdev->layout_type, type); | |
5664 | return -EINVAL; | |
5665 | } | |
5666 | /* | |
5667 | * Get the length of the opaque device_addr4. xdr_read_pages places | |
5668 | * the opaque device_addr4 in the xdr_buf->pages (pnfs_device->pages) | |
5669 | * and places the remaining xdr data in xdr_buf->tail | |
5670 | */ | |
5671 | pdev->mincount = be32_to_cpup(p); | |
5672 | xdr_read_pages(xdr, pdev->mincount); /* include space for the length */ | |
5673 | ||
5674 | /* Parse notification bitmap, verifying that it is zero. */ | |
5675 | p = xdr_inline_decode(xdr, 4); | |
5676 | if (unlikely(!p)) | |
5677 | goto out_overflow; | |
5678 | len = be32_to_cpup(p); | |
5679 | if (len) { | |
ead00597 | 5680 | uint32_t i; |
b1f69b75 AA |
5681 | |
5682 | p = xdr_inline_decode(xdr, 4 * len); | |
5683 | if (unlikely(!p)) | |
5684 | goto out_overflow; | |
5685 | for (i = 0; i < len; i++, p++) { | |
5686 | if (be32_to_cpup(p)) { | |
5687 | dprintk("%s: notifications not supported\n", | |
5688 | __func__); | |
5689 | return -EIO; | |
5690 | } | |
5691 | } | |
5692 | } | |
5693 | return 0; | |
5694 | out_overflow: | |
5695 | print_overflow_msg(__func__, xdr); | |
5696 | return -EIO; | |
5697 | } | |
5698 | ||
5699 | static int decode_layoutget(struct xdr_stream *xdr, struct rpc_rqst *req, | |
5700 | struct nfs4_layoutget_res *res) | |
5701 | { | |
5702 | __be32 *p; | |
5703 | int status; | |
5704 | u32 layout_count; | |
35124a09 WAA |
5705 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; |
5706 | struct kvec *iov = rcvbuf->head; | |
5707 | u32 hdrlen, recvd; | |
b1f69b75 AA |
5708 | |
5709 | status = decode_op_hdr(xdr, OP_LAYOUTGET); | |
5710 | if (status) | |
5711 | return status; | |
ea9d23f5 TM |
5712 | p = xdr_inline_decode(xdr, 4); |
5713 | if (unlikely(!p)) | |
5714 | goto out_overflow; | |
5715 | res->return_on_close = be32_to_cpup(p); | |
5716 | decode_stateid(xdr, &res->stateid); | |
5717 | p = xdr_inline_decode(xdr, 4); | |
b1f69b75 AA |
5718 | if (unlikely(!p)) |
5719 | goto out_overflow; | |
b1f69b75 AA |
5720 | layout_count = be32_to_cpup(p); |
5721 | if (!layout_count) { | |
5722 | dprintk("%s: server responded with empty layout array\n", | |
5723 | __func__); | |
5724 | return -EINVAL; | |
5725 | } | |
5726 | ||
35124a09 | 5727 | p = xdr_inline_decode(xdr, 28); |
b1f69b75 AA |
5728 | if (unlikely(!p)) |
5729 | goto out_overflow; | |
5730 | p = xdr_decode_hyper(p, &res->range.offset); | |
5731 | p = xdr_decode_hyper(p, &res->range.length); | |
5732 | res->range.iomode = be32_to_cpup(p++); | |
5733 | res->type = be32_to_cpup(p++); | |
35124a09 | 5734 | res->layoutp->len = be32_to_cpup(p); |
b1f69b75 AA |
5735 | |
5736 | dprintk("%s roff:%lu rlen:%lu riomode:%d, lo_type:0x%x, lo.len:%d\n", | |
5737 | __func__, | |
5738 | (unsigned long)res->range.offset, | |
5739 | (unsigned long)res->range.length, | |
5740 | res->range.iomode, | |
5741 | res->type, | |
35124a09 WAA |
5742 | res->layoutp->len); |
5743 | ||
5744 | hdrlen = (u8 *) xdr->p - (u8 *) iov->iov_base; | |
5745 | recvd = req->rq_rcv_buf.len - hdrlen; | |
5746 | if (res->layoutp->len > recvd) { | |
5747 | dprintk("NFS: server cheating in layoutget reply: " | |
5748 | "layout len %u > recvd %u\n", | |
5749 | res->layoutp->len, recvd); | |
5750 | return -EINVAL; | |
5751 | } | |
b1f69b75 | 5752 | |
35124a09 | 5753 | xdr_read_pages(xdr, res->layoutp->len); |
b1f69b75 AA |
5754 | |
5755 | if (layout_count > 1) { | |
5756 | /* We only handle a length one array at the moment. Any | |
5757 | * further entries are just ignored. Note that this means | |
5758 | * the client may see a response that is less than the | |
5759 | * minimum it requested. | |
5760 | */ | |
5761 | dprintk("%s: server responded with %d layouts, dropping tail\n", | |
5762 | __func__, layout_count); | |
5763 | } | |
5764 | ||
5765 | return 0; | |
5766 | out_overflow: | |
5767 | print_overflow_msg(__func__, xdr); | |
5768 | return -EIO; | |
5769 | } | |
863a3c6c | 5770 | |
cbe82603 BH |
5771 | static int decode_layoutreturn(struct xdr_stream *xdr, |
5772 | struct nfs4_layoutreturn_res *res) | |
5773 | { | |
5774 | __be32 *p; | |
5775 | int status; | |
5776 | ||
5777 | status = decode_op_hdr(xdr, OP_LAYOUTRETURN); | |
5778 | if (status) | |
5779 | return status; | |
5780 | p = xdr_inline_decode(xdr, 4); | |
5781 | if (unlikely(!p)) | |
5782 | goto out_overflow; | |
5783 | res->lrs_present = be32_to_cpup(p); | |
5784 | if (res->lrs_present) | |
5785 | status = decode_stateid(xdr, &res->stateid); | |
5786 | return status; | |
5787 | out_overflow: | |
5788 | print_overflow_msg(__func__, xdr); | |
5789 | return -EIO; | |
5790 | } | |
5791 | ||
863a3c6c AA |
5792 | static int decode_layoutcommit(struct xdr_stream *xdr, |
5793 | struct rpc_rqst *req, | |
5794 | struct nfs4_layoutcommit_res *res) | |
5795 | { | |
5796 | __be32 *p; | |
5797 | __u32 sizechanged; | |
5798 | int status; | |
5799 | ||
5800 | status = decode_op_hdr(xdr, OP_LAYOUTCOMMIT); | |
db29c089 | 5801 | res->status = status; |
863a3c6c AA |
5802 | if (status) |
5803 | return status; | |
5804 | ||
5805 | p = xdr_inline_decode(xdr, 4); | |
5806 | if (unlikely(!p)) | |
5807 | goto out_overflow; | |
5808 | sizechanged = be32_to_cpup(p); | |
5809 | ||
5810 | if (sizechanged) { | |
5811 | /* throw away new size */ | |
5812 | p = xdr_inline_decode(xdr, 8); | |
5813 | if (unlikely(!p)) | |
5814 | goto out_overflow; | |
5815 | } | |
5816 | return 0; | |
5817 | out_overflow: | |
5818 | print_overflow_msg(__func__, xdr); | |
5819 | return -EIO; | |
5820 | } | |
7d974794 BS |
5821 | |
5822 | static int decode_test_stateid(struct xdr_stream *xdr, | |
5823 | struct nfs41_test_stateid_res *res) | |
5824 | { | |
5825 | __be32 *p; | |
5826 | int status; | |
5827 | int num_res; | |
5828 | ||
5829 | status = decode_op_hdr(xdr, OP_TEST_STATEID); | |
5830 | if (status) | |
5831 | return status; | |
5832 | ||
5833 | p = xdr_inline_decode(xdr, 4); | |
5834 | if (unlikely(!p)) | |
5835 | goto out_overflow; | |
5836 | num_res = be32_to_cpup(p++); | |
5837 | if (num_res != 1) | |
5838 | goto out; | |
5839 | ||
5840 | p = xdr_inline_decode(xdr, 4); | |
5841 | if (unlikely(!p)) | |
5842 | goto out_overflow; | |
5843 | res->status = be32_to_cpup(p++); | |
1cab0652 BS |
5844 | |
5845 | return status; | |
7d974794 BS |
5846 | out_overflow: |
5847 | print_overflow_msg(__func__, xdr); | |
5848 | out: | |
5849 | return -EIO; | |
5850 | } | |
9aeda35f BS |
5851 | |
5852 | static int decode_free_stateid(struct xdr_stream *xdr, | |
5853 | struct nfs41_free_stateid_res *res) | |
5854 | { | |
5855 | __be32 *p; | |
5856 | int status; | |
5857 | ||
5858 | status = decode_op_hdr(xdr, OP_FREE_STATEID); | |
5859 | if (status) | |
5860 | return status; | |
5861 | ||
5862 | p = xdr_inline_decode(xdr, 4); | |
5863 | if (unlikely(!p)) | |
5864 | goto out_overflow; | |
5865 | res->status = be32_to_cpup(p++); | |
5866 | return res->status; | |
5867 | out_overflow: | |
5868 | print_overflow_msg(__func__, xdr); | |
5869 | return -EIO; | |
5870 | } | |
b1f69b75 AA |
5871 | #endif /* CONFIG_NFS_V4_1 */ |
5872 | ||
49c2559e BH |
5873 | /* |
5874 | * END OF "GENERIC" DECODE ROUTINES. | |
5875 | */ | |
5876 | ||
1da177e4 LT |
5877 | /* |
5878 | * Decode OPEN_DOWNGRADE response | |
5879 | */ | |
bf269551 CL |
5880 | static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst *rqstp, |
5881 | struct xdr_stream *xdr, | |
5882 | struct nfs_closeres *res) | |
1da177e4 | 5883 | { |
05d564fe AA |
5884 | struct compound_hdr hdr; |
5885 | int status; | |
5886 | ||
bf269551 | 5887 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5888 | if (status) |
5889 | goto out; | |
bf269551 | 5890 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
5891 | if (status) |
5892 | goto out; | |
bf269551 | 5893 | status = decode_putfh(xdr); |
05d564fe AA |
5894 | if (status) |
5895 | goto out; | |
bf269551 | 5896 | status = decode_open_downgrade(xdr, res); |
516a6af6 TM |
5897 | if (status != 0) |
5898 | goto out; | |
6926afd1 | 5899 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 | 5900 | out: |
05d564fe | 5901 | return status; |
1da177e4 LT |
5902 | } |
5903 | ||
1da177e4 LT |
5904 | /* |
5905 | * Decode ACCESS response | |
5906 | */ | |
bf269551 CL |
5907 | static int nfs4_xdr_dec_access(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5908 | struct nfs4_accessres *res) | |
1da177e4 | 5909 | { |
1da177e4 LT |
5910 | struct compound_hdr hdr; |
5911 | int status; | |
6c0195a4 | 5912 | |
bf269551 | 5913 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5914 | if (status) |
5915 | goto out; | |
bf269551 | 5916 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5917 | if (status) |
1da177e4 | 5918 | goto out; |
bf269551 | 5919 | status = decode_putfh(xdr); |
76b32999 TM |
5920 | if (status != 0) |
5921 | goto out; | |
bf269551 | 5922 | status = decode_access(xdr, res); |
76b32999 TM |
5923 | if (status != 0) |
5924 | goto out; | |
6926afd1 | 5925 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
5926 | out: |
5927 | return status; | |
5928 | } | |
5929 | ||
5930 | /* | |
5931 | * Decode LOOKUP response | |
5932 | */ | |
bf269551 CL |
5933 | static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5934 | struct nfs4_lookup_res *res) | |
1da177e4 | 5935 | { |
1da177e4 LT |
5936 | struct compound_hdr hdr; |
5937 | int status; | |
6c0195a4 | 5938 | |
bf269551 | 5939 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5940 | if (status) |
5941 | goto out; | |
bf269551 | 5942 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5943 | if (status) |
1da177e4 | 5944 | goto out; |
bf269551 CL |
5945 | status = decode_putfh(xdr); |
5946 | if (status) | |
1da177e4 | 5947 | goto out; |
bf269551 CL |
5948 | status = decode_lookup(xdr); |
5949 | if (status) | |
1da177e4 | 5950 | goto out; |
bf269551 CL |
5951 | status = decode_getfh(xdr, res->fh); |
5952 | if (status) | |
1da177e4 | 5953 | goto out; |
6926afd1 | 5954 | status = decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
5955 | out: |
5956 | return status; | |
5957 | } | |
5958 | ||
5959 | /* | |
5960 | * Decode LOOKUP_ROOT response | |
5961 | */ | |
bf269551 CL |
5962 | static int nfs4_xdr_dec_lookup_root(struct rpc_rqst *rqstp, |
5963 | struct xdr_stream *xdr, | |
5964 | struct nfs4_lookup_res *res) | |
1da177e4 | 5965 | { |
1da177e4 LT |
5966 | struct compound_hdr hdr; |
5967 | int status; | |
6c0195a4 | 5968 | |
bf269551 | 5969 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5970 | if (status) |
5971 | goto out; | |
bf269551 | 5972 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5973 | if (status) |
1da177e4 | 5974 | goto out; |
bf269551 CL |
5975 | status = decode_putrootfh(xdr); |
5976 | if (status) | |
1da177e4 | 5977 | goto out; |
bf269551 CL |
5978 | status = decode_getfh(xdr, res->fh); |
5979 | if (status == 0) | |
6926afd1 | 5980 | status = decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
5981 | out: |
5982 | return status; | |
5983 | } | |
5984 | ||
5985 | /* | |
5986 | * Decode REMOVE response | |
5987 | */ | |
bf269551 CL |
5988 | static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5989 | struct nfs_removeres *res) | |
1da177e4 | 5990 | { |
1da177e4 LT |
5991 | struct compound_hdr hdr; |
5992 | int status; | |
6c0195a4 | 5993 | |
bf269551 | 5994 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5995 | if (status) |
5996 | goto out; | |
bf269551 | 5997 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5998 | if (status) |
1da177e4 | 5999 | goto out; |
bf269551 CL |
6000 | status = decode_putfh(xdr); |
6001 | if (status) | |
16e42959 | 6002 | goto out; |
bf269551 | 6003 | status = decode_remove(xdr, &res->cinfo); |
1da177e4 LT |
6004 | out: |
6005 | return status; | |
6006 | } | |
6007 | ||
6008 | /* | |
6009 | * Decode RENAME response | |
6010 | */ | |
bf269551 CL |
6011 | static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6012 | struct nfs_renameres *res) | |
1da177e4 | 6013 | { |
1da177e4 LT |
6014 | struct compound_hdr hdr; |
6015 | int status; | |
6c0195a4 | 6016 | |
bf269551 | 6017 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6018 | if (status) |
6019 | goto out; | |
bf269551 | 6020 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6021 | if (status) |
1da177e4 | 6022 | goto out; |
bf269551 CL |
6023 | status = decode_putfh(xdr); |
6024 | if (status) | |
1da177e4 | 6025 | goto out; |
bf269551 CL |
6026 | status = decode_savefh(xdr); |
6027 | if (status) | |
1da177e4 | 6028 | goto out; |
bf269551 CL |
6029 | status = decode_putfh(xdr); |
6030 | if (status) | |
1da177e4 | 6031 | goto out; |
bf269551 | 6032 | status = decode_rename(xdr, &res->old_cinfo, &res->new_cinfo); |
1da177e4 LT |
6033 | out: |
6034 | return status; | |
6035 | } | |
6036 | ||
6037 | /* | |
6038 | * Decode LINK response | |
6039 | */ | |
bf269551 CL |
6040 | static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6041 | struct nfs4_link_res *res) | |
1da177e4 | 6042 | { |
1da177e4 LT |
6043 | struct compound_hdr hdr; |
6044 | int status; | |
6c0195a4 | 6045 | |
bf269551 | 6046 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6047 | if (status) |
6048 | goto out; | |
bf269551 | 6049 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6050 | if (status) |
1da177e4 | 6051 | goto out; |
bf269551 CL |
6052 | status = decode_putfh(xdr); |
6053 | if (status) | |
1da177e4 | 6054 | goto out; |
bf269551 CL |
6055 | status = decode_savefh(xdr); |
6056 | if (status) | |
1da177e4 | 6057 | goto out; |
bf269551 CL |
6058 | status = decode_putfh(xdr); |
6059 | if (status) | |
1da177e4 | 6060 | goto out; |
bf269551 CL |
6061 | status = decode_link(xdr, &res->cinfo); |
6062 | if (status) | |
91ba2eee TM |
6063 | goto out; |
6064 | /* | |
6065 | * Note order: OP_LINK leaves the directory as the current | |
6066 | * filehandle. | |
6067 | */ | |
bf269551 CL |
6068 | status = decode_restorefh(xdr); |
6069 | if (status) | |
91ba2eee | 6070 | goto out; |
6926afd1 | 6071 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6072 | out: |
6073 | return status; | |
6074 | } | |
6075 | ||
6076 | /* | |
6077 | * Decode CREATE response | |
6078 | */ | |
bf269551 CL |
6079 | static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6080 | struct nfs4_create_res *res) | |
1da177e4 | 6081 | { |
1da177e4 LT |
6082 | struct compound_hdr hdr; |
6083 | int status; | |
6c0195a4 | 6084 | |
bf269551 | 6085 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6086 | if (status) |
6087 | goto out; | |
bf269551 | 6088 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6089 | if (status) |
1da177e4 | 6090 | goto out; |
bf269551 | 6091 | status = decode_putfh(xdr); |
bf269551 | 6092 | if (status) |
56ae19f3 | 6093 | goto out; |
bf269551 CL |
6094 | status = decode_create(xdr, &res->dir_cinfo); |
6095 | if (status) | |
1da177e4 | 6096 | goto out; |
bf269551 CL |
6097 | status = decode_getfh(xdr, res->fh); |
6098 | if (status) | |
1da177e4 | 6099 | goto out; |
7c317fcf | 6100 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6101 | out: |
6102 | return status; | |
6103 | } | |
6104 | ||
6105 | /* | |
6106 | * Decode SYMLINK response | |
6107 | */ | |
bf269551 CL |
6108 | static int nfs4_xdr_dec_symlink(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6109 | struct nfs4_create_res *res) | |
1da177e4 | 6110 | { |
bf269551 | 6111 | return nfs4_xdr_dec_create(rqstp, xdr, res); |
1da177e4 LT |
6112 | } |
6113 | ||
6114 | /* | |
6115 | * Decode GETATTR response | |
6116 | */ | |
bf269551 CL |
6117 | static int nfs4_xdr_dec_getattr(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6118 | struct nfs4_getattr_res *res) | |
1da177e4 | 6119 | { |
1da177e4 LT |
6120 | struct compound_hdr hdr; |
6121 | int status; | |
6c0195a4 | 6122 | |
bf269551 | 6123 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6124 | if (status) |
6125 | goto out; | |
bf269551 | 6126 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6127 | if (status) |
6128 | goto out; | |
bf269551 | 6129 | status = decode_putfh(xdr); |
1da177e4 LT |
6130 | if (status) |
6131 | goto out; | |
6926afd1 | 6132 | status = decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6133 | out: |
6134 | return status; | |
1da177e4 LT |
6135 | } |
6136 | ||
23ec6965 BF |
6137 | /* |
6138 | * Encode an SETACL request | |
6139 | */ | |
9f06c719 CL |
6140 | static void nfs4_xdr_enc_setacl(struct rpc_rqst *req, struct xdr_stream *xdr, |
6141 | struct nfs_setaclargs *args) | |
23ec6965 | 6142 | { |
05d564fe | 6143 | struct compound_hdr hdr = { |
66cc0429 | 6144 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 6145 | }; |
05d564fe | 6146 | |
9f06c719 CL |
6147 | encode_compound_hdr(xdr, req, &hdr); |
6148 | encode_sequence(xdr, &args->seq_args, &hdr); | |
6149 | encode_putfh(xdr, args->fh, &hdr); | |
6150 | encode_setacl(xdr, args, &hdr); | |
d017931c | 6151 | encode_nops(&hdr); |
23ec6965 | 6152 | } |
05d564fe | 6153 | |
23ec6965 BF |
6154 | /* |
6155 | * Decode SETACL response | |
6156 | */ | |
6157 | static int | |
bf269551 | 6158 | nfs4_xdr_dec_setacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
73c403a9 | 6159 | struct nfs_setaclres *res) |
23ec6965 | 6160 | { |
23ec6965 BF |
6161 | struct compound_hdr hdr; |
6162 | int status; | |
6163 | ||
bf269551 | 6164 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6165 | if (status) |
6166 | goto out; | |
bf269551 | 6167 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
23ec6965 BF |
6168 | if (status) |
6169 | goto out; | |
bf269551 | 6170 | status = decode_putfh(xdr); |
23ec6965 BF |
6171 | if (status) |
6172 | goto out; | |
bf269551 | 6173 | status = decode_setattr(xdr); |
23ec6965 BF |
6174 | out: |
6175 | return status; | |
6176 | } | |
1da177e4 | 6177 | |
029d105e BF |
6178 | /* |
6179 | * Decode GETACL response | |
6180 | */ | |
6181 | static int | |
bf269551 | 6182 | nfs4_xdr_dec_getacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
663c79b3 | 6183 | struct nfs_getaclres *res) |
029d105e | 6184 | { |
029d105e BF |
6185 | struct compound_hdr hdr; |
6186 | int status; | |
6187 | ||
331818f1 TM |
6188 | if (res->acl_scratch != NULL) { |
6189 | void *p = page_address(res->acl_scratch); | |
6190 | xdr_set_scratch_buffer(xdr, p, PAGE_SIZE); | |
6191 | } | |
bf269551 | 6192 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6193 | if (status) |
6194 | goto out; | |
bf269551 | 6195 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
029d105e BF |
6196 | if (status) |
6197 | goto out; | |
bf269551 | 6198 | status = decode_putfh(xdr); |
029d105e BF |
6199 | if (status) |
6200 | goto out; | |
bf118a34 | 6201 | status = decode_getacl(xdr, rqstp, res); |
029d105e BF |
6202 | |
6203 | out: | |
6204 | return status; | |
6205 | } | |
6206 | ||
1da177e4 LT |
6207 | /* |
6208 | * Decode CLOSE response | |
6209 | */ | |
bf269551 CL |
6210 | static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6211 | struct nfs_closeres *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_close(xdr, res); |
516a6af6 TM |
6226 | if (status != 0) |
6227 | goto out; | |
6228 | /* | |
6229 | * Note: Server may do delete on close for this file | |
6230 | * in which case the getattr call will fail with | |
6231 | * an ESTALE error. Shouldn't be a problem, | |
6232 | * though, since fattr->valid will remain unset. | |
6233 | */ | |
6926afd1 | 6234 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 | 6235 | out: |
05d564fe | 6236 | return status; |
1da177e4 LT |
6237 | } |
6238 | ||
6239 | /* | |
6240 | * Decode OPEN response | |
6241 | */ | |
bf269551 CL |
6242 | static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6243 | struct nfs_openres *res) | |
1da177e4 | 6244 | { |
05d564fe AA |
6245 | struct compound_hdr hdr; |
6246 | int status; | |
6247 | ||
bf269551 | 6248 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6249 | if (status) |
6250 | goto out; | |
bf269551 | 6251 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6252 | if (status) |
6253 | goto out; | |
bf269551 | 6254 | status = decode_putfh(xdr); |
05d564fe AA |
6255 | if (status) |
6256 | goto out; | |
bf269551 | 6257 | status = decode_open(xdr, res); |
56ae19f3 TM |
6258 | if (status) |
6259 | goto out; | |
bf269551 | 6260 | if (decode_getfh(xdr, &res->fh) != 0) |
1da177e4 | 6261 | goto out; |
90ff0c54 | 6262 | decode_getfattr(xdr, res->f_attr, res->server); |
1da177e4 | 6263 | out: |
05d564fe | 6264 | return status; |
1da177e4 LT |
6265 | } |
6266 | ||
6267 | /* | |
6268 | * Decode OPEN_CONFIRM response | |
6269 | */ | |
bf269551 CL |
6270 | static int nfs4_xdr_dec_open_confirm(struct rpc_rqst *rqstp, |
6271 | struct xdr_stream *xdr, | |
6272 | struct nfs_open_confirmres *res) | |
1da177e4 | 6273 | { |
05d564fe AA |
6274 | struct compound_hdr hdr; |
6275 | int status; | |
6276 | ||
bf269551 | 6277 | status = decode_compound_hdr(xdr, &hdr); |
05d564fe AA |
6278 | if (status) |
6279 | goto out; | |
bf269551 | 6280 | status = decode_putfh(xdr); |
05d564fe AA |
6281 | if (status) |
6282 | goto out; | |
bf269551 | 6283 | status = decode_open_confirm(xdr, res); |
1da177e4 | 6284 | out: |
05d564fe | 6285 | return status; |
1da177e4 LT |
6286 | } |
6287 | ||
6288 | /* | |
6289 | * Decode OPEN response | |
6290 | */ | |
bf269551 CL |
6291 | static int nfs4_xdr_dec_open_noattr(struct rpc_rqst *rqstp, |
6292 | struct xdr_stream *xdr, | |
6293 | struct nfs_openres *res) | |
1da177e4 | 6294 | { |
05d564fe AA |
6295 | struct compound_hdr hdr; |
6296 | int status; | |
6297 | ||
bf269551 | 6298 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6299 | if (status) |
6300 | goto out; | |
bf269551 | 6301 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6302 | if (status) |
6303 | goto out; | |
bf269551 | 6304 | status = decode_putfh(xdr); |
05d564fe AA |
6305 | if (status) |
6306 | goto out; | |
bf269551 | 6307 | status = decode_open(xdr, res); |
05d564fe AA |
6308 | if (status) |
6309 | goto out; | |
6926afd1 | 6310 | decode_getfattr(xdr, res->f_attr, res->server); |
1da177e4 | 6311 | out: |
05d564fe | 6312 | return status; |
1da177e4 LT |
6313 | } |
6314 | ||
6315 | /* | |
6316 | * Decode SETATTR response | |
6317 | */ | |
bf269551 CL |
6318 | static int nfs4_xdr_dec_setattr(struct rpc_rqst *rqstp, |
6319 | struct xdr_stream *xdr, | |
6320 | struct nfs_setattrres *res) | |
1da177e4 | 6321 | { |
05d564fe AA |
6322 | struct compound_hdr hdr; |
6323 | int status; | |
6324 | ||
bf269551 | 6325 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6326 | if (status) |
6327 | goto out; | |
bf269551 | 6328 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6329 | if (status) |
6330 | goto out; | |
bf269551 | 6331 | status = decode_putfh(xdr); |
05d564fe AA |
6332 | if (status) |
6333 | goto out; | |
bf269551 | 6334 | status = decode_setattr(xdr); |
05d564fe AA |
6335 | if (status) |
6336 | goto out; | |
6926afd1 | 6337 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 | 6338 | out: |
05d564fe | 6339 | return status; |
1da177e4 LT |
6340 | } |
6341 | ||
6342 | /* | |
6343 | * Decode LOCK response | |
6344 | */ | |
bf269551 CL |
6345 | static int nfs4_xdr_dec_lock(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6346 | struct nfs_lock_res *res) | |
1da177e4 | 6347 | { |
1da177e4 LT |
6348 | struct compound_hdr hdr; |
6349 | int status; | |
6350 | ||
bf269551 | 6351 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6352 | if (status) |
6353 | goto out; | |
bf269551 | 6354 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6355 | if (status) |
6356 | goto out; | |
bf269551 | 6357 | status = decode_putfh(xdr); |
1da177e4 LT |
6358 | if (status) |
6359 | goto out; | |
bf269551 | 6360 | status = decode_lock(xdr, res); |
1da177e4 LT |
6361 | out: |
6362 | return status; | |
6363 | } | |
6364 | ||
6365 | /* | |
6366 | * Decode LOCKT response | |
6367 | */ | |
bf269551 CL |
6368 | static int nfs4_xdr_dec_lockt(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6369 | struct nfs_lockt_res *res) | |
1da177e4 | 6370 | { |
1da177e4 LT |
6371 | struct compound_hdr hdr; |
6372 | int status; | |
6373 | ||
bf269551 | 6374 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6375 | if (status) |
6376 | goto out; | |
bf269551 | 6377 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6378 | if (status) |
6379 | goto out; | |
bf269551 | 6380 | status = decode_putfh(xdr); |
1da177e4 LT |
6381 | if (status) |
6382 | goto out; | |
bf269551 | 6383 | status = decode_lockt(xdr, res); |
1da177e4 LT |
6384 | out: |
6385 | return status; | |
6386 | } | |
6387 | ||
6388 | /* | |
6389 | * Decode LOCKU response | |
6390 | */ | |
bf269551 CL |
6391 | static int nfs4_xdr_dec_locku(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6392 | struct nfs_locku_res *res) | |
1da177e4 | 6393 | { |
1da177e4 LT |
6394 | struct compound_hdr hdr; |
6395 | int status; | |
6396 | ||
bf269551 | 6397 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6398 | if (status) |
6399 | goto out; | |
bf269551 | 6400 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6401 | if (status) |
6402 | goto out; | |
bf269551 | 6403 | status = decode_putfh(xdr); |
1da177e4 LT |
6404 | if (status) |
6405 | goto out; | |
bf269551 | 6406 | status = decode_locku(xdr, res); |
1da177e4 LT |
6407 | out: |
6408 | return status; | |
6409 | } | |
6410 | ||
bf269551 CL |
6411 | static int nfs4_xdr_dec_release_lockowner(struct rpc_rqst *rqstp, |
6412 | struct xdr_stream *xdr, void *dummy) | |
d3c7b7cc | 6413 | { |
d3c7b7cc TM |
6414 | struct compound_hdr hdr; |
6415 | int status; | |
6416 | ||
bf269551 | 6417 | status = decode_compound_hdr(xdr, &hdr); |
d3c7b7cc | 6418 | if (!status) |
bf269551 | 6419 | status = decode_release_lockowner(xdr); |
d3c7b7cc TM |
6420 | return status; |
6421 | } | |
6422 | ||
1da177e4 LT |
6423 | /* |
6424 | * Decode READLINK response | |
6425 | */ | |
bf269551 CL |
6426 | static int nfs4_xdr_dec_readlink(struct rpc_rqst *rqstp, |
6427 | struct xdr_stream *xdr, | |
f50c7000 | 6428 | struct nfs4_readlink_res *res) |
1da177e4 | 6429 | { |
1da177e4 LT |
6430 | struct compound_hdr hdr; |
6431 | int status; | |
6432 | ||
bf269551 | 6433 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6434 | if (status) |
6435 | goto out; | |
bf269551 | 6436 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6437 | if (status) |
6438 | goto out; | |
bf269551 | 6439 | status = decode_putfh(xdr); |
1da177e4 LT |
6440 | if (status) |
6441 | goto out; | |
bf269551 | 6442 | status = decode_readlink(xdr, rqstp); |
1da177e4 LT |
6443 | out: |
6444 | return status; | |
6445 | } | |
6446 | ||
6447 | /* | |
6448 | * Decode READDIR response | |
6449 | */ | |
bf269551 CL |
6450 | static int nfs4_xdr_dec_readdir(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6451 | struct nfs4_readdir_res *res) | |
1da177e4 | 6452 | { |
1da177e4 LT |
6453 | struct compound_hdr hdr; |
6454 | int status; | |
6455 | ||
bf269551 | 6456 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6457 | if (status) |
6458 | goto out; | |
bf269551 | 6459 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6460 | if (status) |
6461 | goto out; | |
bf269551 | 6462 | status = decode_putfh(xdr); |
1da177e4 LT |
6463 | if (status) |
6464 | goto out; | |
bf269551 | 6465 | status = decode_readdir(xdr, rqstp, res); |
1da177e4 LT |
6466 | out: |
6467 | return status; | |
6468 | } | |
6469 | ||
6470 | /* | |
6471 | * Decode Read response | |
6472 | */ | |
bf269551 CL |
6473 | static int nfs4_xdr_dec_read(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6474 | struct nfs_readres *res) | |
1da177e4 | 6475 | { |
1da177e4 LT |
6476 | struct compound_hdr hdr; |
6477 | int status; | |
6478 | ||
bf269551 | 6479 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6480 | if (status) |
6481 | goto out; | |
bf269551 | 6482 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6483 | if (status) |
6484 | goto out; | |
bf269551 | 6485 | status = decode_putfh(xdr); |
1da177e4 LT |
6486 | if (status) |
6487 | goto out; | |
bf269551 | 6488 | status = decode_read(xdr, rqstp, res); |
1da177e4 LT |
6489 | if (!status) |
6490 | status = res->count; | |
6491 | out: | |
6492 | return status; | |
6493 | } | |
6494 | ||
6495 | /* | |
6496 | * Decode WRITE response | |
6497 | */ | |
bf269551 CL |
6498 | static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6499 | struct nfs_writeres *res) | |
1da177e4 | 6500 | { |
1da177e4 LT |
6501 | struct compound_hdr hdr; |
6502 | int status; | |
6503 | ||
bf269551 | 6504 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6505 | if (status) |
6506 | goto out; | |
bf269551 | 6507 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6508 | if (status) |
6509 | goto out; | |
bf269551 | 6510 | status = decode_putfh(xdr); |
1da177e4 LT |
6511 | if (status) |
6512 | goto out; | |
bf269551 | 6513 | status = decode_write(xdr, res); |
4f9838c7 TM |
6514 | if (status) |
6515 | goto out; | |
7ffd1064 | 6516 | if (res->fattr) |
6926afd1 | 6517 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6518 | if (!status) |
6519 | status = res->count; | |
6520 | out: | |
6521 | return status; | |
6522 | } | |
6523 | ||
6524 | /* | |
6525 | * Decode COMMIT response | |
6526 | */ | |
bf269551 | 6527 | static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
0b7c0153 | 6528 | struct nfs_commitres *res) |
1da177e4 | 6529 | { |
1da177e4 LT |
6530 | struct compound_hdr hdr; |
6531 | int status; | |
6532 | ||
bf269551 | 6533 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6534 | if (status) |
6535 | goto out; | |
bf269551 | 6536 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6537 | if (status) |
6538 | goto out; | |
bf269551 | 6539 | status = decode_putfh(xdr); |
1da177e4 LT |
6540 | if (status) |
6541 | goto out; | |
bf269551 | 6542 | status = decode_commit(xdr, res); |
1da177e4 LT |
6543 | out: |
6544 | return status; | |
6545 | } | |
6546 | ||
6547 | /* | |
8b173218 | 6548 | * Decode FSINFO response |
1da177e4 | 6549 | */ |
bf269551 | 6550 | static int nfs4_xdr_dec_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, |
3dda5e43 | 6551 | struct nfs4_fsinfo_res *res) |
1da177e4 | 6552 | { |
1da177e4 LT |
6553 | struct compound_hdr hdr; |
6554 | int status; | |
6555 | ||
bf269551 | 6556 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6557 | if (!status) |
bf269551 | 6558 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6559 | if (!status) |
bf269551 | 6560 | status = decode_putfh(xdr); |
1da177e4 | 6561 | if (!status) |
bf269551 | 6562 | status = decode_fsinfo(xdr, res->fsinfo); |
1da177e4 LT |
6563 | return status; |
6564 | } | |
6565 | ||
6566 | /* | |
8b173218 | 6567 | * Decode PATHCONF response |
1da177e4 | 6568 | */ |
bf269551 | 6569 | static int nfs4_xdr_dec_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, |
d45b2989 | 6570 | struct nfs4_pathconf_res *res) |
1da177e4 | 6571 | { |
1da177e4 LT |
6572 | struct compound_hdr hdr; |
6573 | int status; | |
6574 | ||
bf269551 | 6575 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6576 | if (!status) |
bf269551 | 6577 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6578 | if (!status) |
bf269551 | 6579 | status = decode_putfh(xdr); |
1da177e4 | 6580 | if (!status) |
bf269551 | 6581 | status = decode_pathconf(xdr, res->pathconf); |
1da177e4 LT |
6582 | return status; |
6583 | } | |
6584 | ||
6585 | /* | |
8b173218 | 6586 | * Decode STATFS response |
1da177e4 | 6587 | */ |
bf269551 | 6588 | static int nfs4_xdr_dec_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, |
24ad148a | 6589 | struct nfs4_statfs_res *res) |
1da177e4 | 6590 | { |
1da177e4 LT |
6591 | struct compound_hdr hdr; |
6592 | int status; | |
6593 | ||
bf269551 | 6594 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6595 | if (!status) |
bf269551 | 6596 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6597 | if (!status) |
bf269551 | 6598 | status = decode_putfh(xdr); |
1da177e4 | 6599 | if (!status) |
bf269551 | 6600 | status = decode_statfs(xdr, res->fsstat); |
1da177e4 LT |
6601 | return status; |
6602 | } | |
6603 | ||
6604 | /* | |
8b173218 | 6605 | * Decode GETATTR_BITMAP response |
1da177e4 | 6606 | */ |
bf269551 CL |
6607 | static int nfs4_xdr_dec_server_caps(struct rpc_rqst *req, |
6608 | struct xdr_stream *xdr, | |
6609 | struct nfs4_server_caps_res *res) | |
1da177e4 | 6610 | { |
1da177e4 LT |
6611 | struct compound_hdr hdr; |
6612 | int status; | |
6613 | ||
bf269551 | 6614 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6615 | if (status) |
6616 | goto out; | |
bf269551 | 6617 | status = decode_sequence(xdr, &res->seq_res, req); |
9b7b9fcc | 6618 | if (status) |
1da177e4 | 6619 | goto out; |
bf269551 CL |
6620 | status = decode_putfh(xdr); |
6621 | if (status) | |
1da177e4 | 6622 | goto out; |
bf269551 | 6623 | status = decode_server_caps(xdr, res); |
1da177e4 LT |
6624 | out: |
6625 | return status; | |
6626 | } | |
6627 | ||
6628 | /* | |
6629 | * Decode RENEW response | |
6630 | */ | |
bf269551 CL |
6631 | static int nfs4_xdr_dec_renew(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6632 | void *__unused) | |
1da177e4 | 6633 | { |
1da177e4 LT |
6634 | struct compound_hdr hdr; |
6635 | int status; | |
6636 | ||
bf269551 | 6637 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6638 | if (!status) |
bf269551 | 6639 | status = decode_renew(xdr); |
1da177e4 LT |
6640 | return status; |
6641 | } | |
6642 | ||
6643 | /* | |
8b173218 | 6644 | * Decode SETCLIENTID response |
1da177e4 | 6645 | */ |
bf269551 CL |
6646 | static int nfs4_xdr_dec_setclientid(struct rpc_rqst *req, |
6647 | struct xdr_stream *xdr, | |
6648 | struct nfs4_setclientid_res *res) | |
1da177e4 | 6649 | { |
1da177e4 LT |
6650 | struct compound_hdr hdr; |
6651 | int status; | |
6652 | ||
bf269551 | 6653 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6654 | if (!status) |
bf269551 | 6655 | status = decode_setclientid(xdr, res); |
1da177e4 LT |
6656 | return status; |
6657 | } | |
6658 | ||
6659 | /* | |
8b173218 | 6660 | * Decode SETCLIENTID_CONFIRM response |
1da177e4 | 6661 | */ |
bf269551 CL |
6662 | static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst *req, |
6663 | struct xdr_stream *xdr, | |
6664 | struct nfs_fsinfo *fsinfo) | |
1da177e4 | 6665 | { |
1da177e4 LT |
6666 | struct compound_hdr hdr; |
6667 | int status; | |
6668 | ||
bf269551 | 6669 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6670 | if (!status) |
bf269551 | 6671 | status = decode_setclientid_confirm(xdr); |
1da177e4 | 6672 | if (!status) |
bf269551 | 6673 | status = decode_putrootfh(xdr); |
1da177e4 | 6674 | if (!status) |
bf269551 | 6675 | status = decode_fsinfo(xdr, fsinfo); |
1da177e4 LT |
6676 | return status; |
6677 | } | |
6678 | ||
6679 | /* | |
8b173218 | 6680 | * Decode DELEGRETURN response |
1da177e4 | 6681 | */ |
bf269551 CL |
6682 | static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, |
6683 | struct xdr_stream *xdr, | |
6684 | struct nfs4_delegreturnres *res) | |
1da177e4 | 6685 | { |
1da177e4 LT |
6686 | struct compound_hdr hdr; |
6687 | int status; | |
6688 | ||
bf269551 | 6689 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6690 | if (status) |
6691 | goto out; | |
bf269551 | 6692 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6693 | if (status) |
fa178f29 | 6694 | goto out; |
bf269551 | 6695 | status = decode_putfh(xdr); |
fa178f29 TM |
6696 | if (status != 0) |
6697 | goto out; | |
e144cbcc | 6698 | status = decode_getfattr(xdr, res->fattr, res->server); |
556ae3bb JL |
6699 | if (status != 0) |
6700 | goto out; | |
e144cbcc | 6701 | status = decode_delegreturn(xdr); |
fa178f29 | 6702 | out: |
1da177e4 LT |
6703 | return status; |
6704 | } | |
6705 | ||
683b57b4 | 6706 | /* |
8b173218 | 6707 | * Decode FS_LOCATIONS response |
683b57b4 | 6708 | */ |
bf269551 CL |
6709 | static int nfs4_xdr_dec_fs_locations(struct rpc_rqst *req, |
6710 | struct xdr_stream *xdr, | |
22958463 | 6711 | struct nfs4_fs_locations_res *res) |
683b57b4 | 6712 | { |
683b57b4 TM |
6713 | struct compound_hdr hdr; |
6714 | int status; | |
6715 | ||
bf269551 | 6716 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6717 | if (status) |
6718 | goto out; | |
bf269551 | 6719 | status = decode_sequence(xdr, &res->seq_res, req); |
9b7b9fcc | 6720 | if (status) |
683b57b4 | 6721 | goto out; |
bf269551 CL |
6722 | status = decode_putfh(xdr); |
6723 | if (status) | |
683b57b4 | 6724 | goto out; |
bf269551 CL |
6725 | status = decode_lookup(xdr); |
6726 | if (status) | |
683b57b4 | 6727 | goto out; |
bf269551 | 6728 | xdr_enter_page(xdr, PAGE_SIZE); |
8b7e3f49 TM |
6729 | status = decode_getfattr_generic(xdr, &res->fs_locations->fattr, |
6730 | NULL, res->fs_locations, | |
6731 | res->fs_locations->server); | |
683b57b4 TM |
6732 | out: |
6733 | return status; | |
6734 | } | |
6735 | ||
5a5ea0d4 BS |
6736 | /* |
6737 | * Decode SECINFO response | |
6738 | */ | |
6739 | static int nfs4_xdr_dec_secinfo(struct rpc_rqst *rqstp, | |
6740 | struct xdr_stream *xdr, | |
6741 | struct nfs4_secinfo_res *res) | |
6742 | { | |
6743 | struct compound_hdr hdr; | |
6744 | int status; | |
6745 | ||
6746 | status = decode_compound_hdr(xdr, &hdr); | |
6747 | if (status) | |
6748 | goto out; | |
6749 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6750 | if (status) | |
6751 | goto out; | |
6752 | status = decode_putfh(xdr); | |
6753 | if (status) | |
6754 | goto out; | |
6755 | status = decode_secinfo(xdr, res); | |
5a5ea0d4 BS |
6756 | out: |
6757 | return status; | |
6758 | } | |
6759 | ||
99fe60d0 | 6760 | #if defined(CONFIG_NFS_V4_1) |
7c44f1ae WAA |
6761 | /* |
6762 | * Decode BIND_CONN_TO_SESSION response | |
6763 | */ | |
6764 | static int nfs4_xdr_dec_bind_conn_to_session(struct rpc_rqst *rqstp, | |
6765 | struct xdr_stream *xdr, | |
6766 | void *res) | |
6767 | { | |
6768 | struct compound_hdr hdr; | |
6769 | int status; | |
6770 | ||
6771 | status = decode_compound_hdr(xdr, &hdr); | |
6772 | if (!status) | |
6773 | status = decode_bind_conn_to_session(xdr, res); | |
6774 | return status; | |
6775 | } | |
6776 | ||
99fe60d0 | 6777 | /* |
8b173218 | 6778 | * Decode EXCHANGE_ID response |
99fe60d0 | 6779 | */ |
bf269551 CL |
6780 | static int nfs4_xdr_dec_exchange_id(struct rpc_rqst *rqstp, |
6781 | struct xdr_stream *xdr, | |
99fe60d0 BH |
6782 | void *res) |
6783 | { | |
99fe60d0 BH |
6784 | struct compound_hdr hdr; |
6785 | int status; | |
6786 | ||
bf269551 | 6787 | status = decode_compound_hdr(xdr, &hdr); |
99fe60d0 | 6788 | if (!status) |
bf269551 | 6789 | status = decode_exchange_id(xdr, res); |
99fe60d0 BH |
6790 | return status; |
6791 | } | |
2050f0cc | 6792 | |
fc931582 | 6793 | /* |
8b173218 | 6794 | * Decode CREATE_SESSION response |
fc931582 | 6795 | */ |
bf269551 CL |
6796 | static int nfs4_xdr_dec_create_session(struct rpc_rqst *rqstp, |
6797 | struct xdr_stream *xdr, | |
fc931582 AA |
6798 | struct nfs41_create_session_res *res) |
6799 | { | |
fc931582 AA |
6800 | struct compound_hdr hdr; |
6801 | int status; | |
6802 | ||
bf269551 | 6803 | status = decode_compound_hdr(xdr, &hdr); |
fc931582 | 6804 | if (!status) |
bf269551 | 6805 | status = decode_create_session(xdr, res); |
fc931582 AA |
6806 | return status; |
6807 | } | |
6808 | ||
0f3e66c6 | 6809 | /* |
8b173218 | 6810 | * Decode DESTROY_SESSION response |
0f3e66c6 | 6811 | */ |
bf269551 CL |
6812 | static int nfs4_xdr_dec_destroy_session(struct rpc_rqst *rqstp, |
6813 | struct xdr_stream *xdr, | |
6814 | void *res) | |
0f3e66c6 | 6815 | { |
0f3e66c6 AA |
6816 | struct compound_hdr hdr; |
6817 | int status; | |
6818 | ||
bf269551 | 6819 | status = decode_compound_hdr(xdr, &hdr); |
0f3e66c6 | 6820 | if (!status) |
bf269551 | 6821 | status = decode_destroy_session(xdr, res); |
0f3e66c6 AA |
6822 | return status; |
6823 | } | |
6824 | ||
66245539 TM |
6825 | /* |
6826 | * Decode DESTROY_CLIENTID response | |
6827 | */ | |
6828 | static int nfs4_xdr_dec_destroy_clientid(struct rpc_rqst *rqstp, | |
6829 | struct xdr_stream *xdr, | |
6830 | void *res) | |
6831 | { | |
6832 | struct compound_hdr hdr; | |
6833 | int status; | |
6834 | ||
6835 | status = decode_compound_hdr(xdr, &hdr); | |
6836 | if (!status) | |
6837 | status = decode_destroy_clientid(xdr, res); | |
6838 | return status; | |
6839 | } | |
6840 | ||
fc01cea9 | 6841 | /* |
8b173218 | 6842 | * Decode SEQUENCE response |
fc01cea9 | 6843 | */ |
bf269551 CL |
6844 | static int nfs4_xdr_dec_sequence(struct rpc_rqst *rqstp, |
6845 | struct xdr_stream *xdr, | |
fc01cea9 AA |
6846 | struct nfs4_sequence_res *res) |
6847 | { | |
fc01cea9 AA |
6848 | struct compound_hdr hdr; |
6849 | int status; | |
6850 | ||
bf269551 | 6851 | status = decode_compound_hdr(xdr, &hdr); |
fc01cea9 | 6852 | if (!status) |
bf269551 | 6853 | status = decode_sequence(xdr, res, rqstp); |
fc01cea9 AA |
6854 | return status; |
6855 | } | |
6856 | ||
2050f0cc | 6857 | /* |
8b173218 | 6858 | * Decode GET_LEASE_TIME response |
2050f0cc | 6859 | */ |
bf269551 CL |
6860 | static int nfs4_xdr_dec_get_lease_time(struct rpc_rqst *rqstp, |
6861 | struct xdr_stream *xdr, | |
2050f0cc AA |
6862 | struct nfs4_get_lease_time_res *res) |
6863 | { | |
2050f0cc AA |
6864 | struct compound_hdr hdr; |
6865 | int status; | |
6866 | ||
bf269551 | 6867 | status = decode_compound_hdr(xdr, &hdr); |
2050f0cc | 6868 | if (!status) |
bf269551 | 6869 | status = decode_sequence(xdr, &res->lr_seq_res, rqstp); |
2050f0cc | 6870 | if (!status) |
bf269551 | 6871 | status = decode_putrootfh(xdr); |
2050f0cc | 6872 | if (!status) |
bf269551 | 6873 | status = decode_fsinfo(xdr, res->lr_fsinfo); |
2050f0cc AA |
6874 | return status; |
6875 | } | |
18019753 RL |
6876 | |
6877 | /* | |
6878 | * Decode RECLAIM_COMPLETE response | |
6879 | */ | |
bf269551 CL |
6880 | static int nfs4_xdr_dec_reclaim_complete(struct rpc_rqst *rqstp, |
6881 | struct xdr_stream *xdr, | |
18019753 RL |
6882 | struct nfs41_reclaim_complete_res *res) |
6883 | { | |
18019753 RL |
6884 | struct compound_hdr hdr; |
6885 | int status; | |
6886 | ||
bf269551 | 6887 | status = decode_compound_hdr(xdr, &hdr); |
18019753 | 6888 | if (!status) |
bf269551 | 6889 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
18019753 | 6890 | if (!status) |
bf269551 | 6891 | status = decode_reclaim_complete(xdr, (void *)NULL); |
18019753 RL |
6892 | return status; |
6893 | } | |
b1f69b75 | 6894 | |
7f11d8d3 AA |
6895 | /* |
6896 | * Decode GETDEVICELIST response | |
6897 | */ | |
6898 | static int nfs4_xdr_dec_getdevicelist(struct rpc_rqst *rqstp, | |
6899 | struct xdr_stream *xdr, | |
6900 | struct nfs4_getdevicelist_res *res) | |
6901 | { | |
6902 | struct compound_hdr hdr; | |
6903 | int status; | |
6904 | ||
6905 | dprintk("encoding getdevicelist!\n"); | |
6906 | ||
6907 | status = decode_compound_hdr(xdr, &hdr); | |
6908 | if (status != 0) | |
6909 | goto out; | |
6910 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6911 | if (status != 0) | |
6912 | goto out; | |
6913 | status = decode_putfh(xdr); | |
6914 | if (status != 0) | |
6915 | goto out; | |
6916 | status = decode_getdevicelist(xdr, res->devlist); | |
6917 | out: | |
6918 | return status; | |
6919 | } | |
6920 | ||
b1f69b75 AA |
6921 | /* |
6922 | * Decode GETDEVINFO response | |
6923 | */ | |
bf269551 CL |
6924 | static int nfs4_xdr_dec_getdeviceinfo(struct rpc_rqst *rqstp, |
6925 | struct xdr_stream *xdr, | |
b1f69b75 AA |
6926 | struct nfs4_getdeviceinfo_res *res) |
6927 | { | |
b1f69b75 AA |
6928 | struct compound_hdr hdr; |
6929 | int status; | |
6930 | ||
bf269551 | 6931 | status = decode_compound_hdr(xdr, &hdr); |
b1f69b75 AA |
6932 | if (status != 0) |
6933 | goto out; | |
bf269551 | 6934 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
b1f69b75 AA |
6935 | if (status != 0) |
6936 | goto out; | |
bf269551 | 6937 | status = decode_getdeviceinfo(xdr, res->pdev); |
b1f69b75 AA |
6938 | out: |
6939 | return status; | |
6940 | } | |
6941 | ||
6942 | /* | |
6943 | * Decode LAYOUTGET response | |
6944 | */ | |
bf269551 CL |
6945 | static int nfs4_xdr_dec_layoutget(struct rpc_rqst *rqstp, |
6946 | struct xdr_stream *xdr, | |
b1f69b75 AA |
6947 | struct nfs4_layoutget_res *res) |
6948 | { | |
b1f69b75 AA |
6949 | struct compound_hdr hdr; |
6950 | int status; | |
6951 | ||
bf269551 | 6952 | status = decode_compound_hdr(xdr, &hdr); |
b1f69b75 AA |
6953 | if (status) |
6954 | goto out; | |
bf269551 | 6955 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
b1f69b75 AA |
6956 | if (status) |
6957 | goto out; | |
bf269551 | 6958 | status = decode_putfh(xdr); |
b1f69b75 AA |
6959 | if (status) |
6960 | goto out; | |
bf269551 | 6961 | status = decode_layoutget(xdr, rqstp, res); |
b1f69b75 AA |
6962 | out: |
6963 | return status; | |
6964 | } | |
863a3c6c | 6965 | |
cbe82603 BH |
6966 | /* |
6967 | * Decode LAYOUTRETURN response | |
6968 | */ | |
6969 | static int nfs4_xdr_dec_layoutreturn(struct rpc_rqst *rqstp, | |
6970 | struct xdr_stream *xdr, | |
6971 | struct nfs4_layoutreturn_res *res) | |
6972 | { | |
6973 | struct compound_hdr hdr; | |
6974 | int status; | |
6975 | ||
6976 | status = decode_compound_hdr(xdr, &hdr); | |
6977 | if (status) | |
6978 | goto out; | |
6979 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6980 | if (status) | |
6981 | goto out; | |
6982 | status = decode_putfh(xdr); | |
6983 | if (status) | |
6984 | goto out; | |
6985 | status = decode_layoutreturn(xdr, res); | |
6986 | out: | |
6987 | return status; | |
6988 | } | |
6989 | ||
863a3c6c AA |
6990 | /* |
6991 | * Decode LAYOUTCOMMIT response | |
6992 | */ | |
6993 | static int nfs4_xdr_dec_layoutcommit(struct rpc_rqst *rqstp, | |
6994 | struct xdr_stream *xdr, | |
6995 | struct nfs4_layoutcommit_res *res) | |
6996 | { | |
6997 | struct compound_hdr hdr; | |
6998 | int status; | |
6999 | ||
7000 | status = decode_compound_hdr(xdr, &hdr); | |
7001 | if (status) | |
7002 | goto out; | |
7003 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7004 | if (status) | |
7005 | goto out; | |
7006 | status = decode_putfh(xdr); | |
7007 | if (status) | |
7008 | goto out; | |
7009 | status = decode_layoutcommit(xdr, rqstp, res); | |
7010 | if (status) | |
7011 | goto out; | |
6926afd1 | 7012 | decode_getfattr(xdr, res->fattr, res->server); |
863a3c6c AA |
7013 | out: |
7014 | return status; | |
7015 | } | |
fca78d6d BS |
7016 | |
7017 | /* | |
7018 | * Decode SECINFO_NO_NAME response | |
7019 | */ | |
7020 | static int nfs4_xdr_dec_secinfo_no_name(struct rpc_rqst *rqstp, | |
7021 | struct xdr_stream *xdr, | |
7022 | struct nfs4_secinfo_res *res) | |
7023 | { | |
7024 | struct compound_hdr hdr; | |
7025 | int status; | |
7026 | ||
7027 | status = decode_compound_hdr(xdr, &hdr); | |
7028 | if (status) | |
7029 | goto out; | |
7030 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7031 | if (status) | |
7032 | goto out; | |
7033 | status = decode_putrootfh(xdr); | |
7034 | if (status) | |
7035 | goto out; | |
31e4dda4 | 7036 | status = decode_secinfo_no_name(xdr, res); |
fca78d6d BS |
7037 | out: |
7038 | return status; | |
7039 | } | |
7d974794 BS |
7040 | |
7041 | /* | |
7042 | * Decode TEST_STATEID response | |
7043 | */ | |
7044 | static int nfs4_xdr_dec_test_stateid(struct rpc_rqst *rqstp, | |
7045 | struct xdr_stream *xdr, | |
7046 | struct nfs41_test_stateid_res *res) | |
7047 | { | |
7048 | struct compound_hdr hdr; | |
7049 | int status; | |
7050 | ||
7051 | status = decode_compound_hdr(xdr, &hdr); | |
7052 | if (status) | |
7053 | goto out; | |
7054 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7055 | if (status) | |
7056 | goto out; | |
7057 | status = decode_test_stateid(xdr, res); | |
7058 | out: | |
7059 | return status; | |
7060 | } | |
9aeda35f BS |
7061 | |
7062 | /* | |
7063 | * Decode FREE_STATEID response | |
7064 | */ | |
7065 | static int nfs4_xdr_dec_free_stateid(struct rpc_rqst *rqstp, | |
7066 | struct xdr_stream *xdr, | |
7067 | struct nfs41_free_stateid_res *res) | |
7068 | { | |
7069 | struct compound_hdr hdr; | |
7070 | int status; | |
7071 | ||
7072 | status = decode_compound_hdr(xdr, &hdr); | |
7073 | if (status) | |
7074 | goto out; | |
7075 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7076 | if (status) | |
7077 | goto out; | |
7078 | status = decode_free_stateid(xdr, res); | |
7079 | out: | |
7080 | return status; | |
7081 | } | |
99fe60d0 BH |
7082 | #endif /* CONFIG_NFS_V4_1 */ |
7083 | ||
573c4e1e CL |
7084 | /** |
7085 | * nfs4_decode_dirent - Decode a single NFSv4 directory entry stored in | |
7086 | * the local page cache. | |
7087 | * @xdr: XDR stream where entry resides | |
7088 | * @entry: buffer to fill in with entry data | |
7089 | * @plus: boolean indicating whether this should be a readdirplus entry | |
7090 | * | |
7091 | * Returns zero if successful, otherwise a negative errno value is | |
7092 | * returned. | |
7093 | * | |
7094 | * This function is not invoked during READDIR reply decoding, but | |
7095 | * rather whenever an application invokes the getdents(2) system call | |
7096 | * on a directory already in our cache. | |
7097 | */ | |
7098 | int nfs4_decode_dirent(struct xdr_stream *xdr, struct nfs_entry *entry, | |
7099 | int plus) | |
1da177e4 | 7100 | { |
dae100c2 | 7101 | uint32_t bitmap[3] = {0}; |
1da177e4 | 7102 | uint32_t len; |
babddc72 BS |
7103 | __be32 *p = xdr_inline_decode(xdr, 4); |
7104 | if (unlikely(!p)) | |
7105 | goto out_overflow; | |
c08e76d0 | 7106 | if (*p == xdr_zero) { |
babddc72 BS |
7107 | p = xdr_inline_decode(xdr, 4); |
7108 | if (unlikely(!p)) | |
7109 | goto out_overflow; | |
c08e76d0 | 7110 | if (*p == xdr_zero) |
573c4e1e | 7111 | return -EAGAIN; |
1da177e4 | 7112 | entry->eof = 1; |
573c4e1e | 7113 | return -EBADCOOKIE; |
1da177e4 LT |
7114 | } |
7115 | ||
babddc72 BS |
7116 | p = xdr_inline_decode(xdr, 12); |
7117 | if (unlikely(!p)) | |
7118 | goto out_overflow; | |
1da177e4 LT |
7119 | entry->prev_cookie = entry->cookie; |
7120 | p = xdr_decode_hyper(p, &entry->cookie); | |
c08e76d0 | 7121 | entry->len = be32_to_cpup(p); |
babddc72 | 7122 | |
9af8c222 | 7123 | p = xdr_inline_decode(xdr, entry->len); |
babddc72 BS |
7124 | if (unlikely(!p)) |
7125 | goto out_overflow; | |
1da177e4 | 7126 | entry->name = (const char *) p; |
1da177e4 LT |
7127 | |
7128 | /* | |
7129 | * In case the server doesn't return an inode number, | |
7130 | * we fake one here. (We don't use inode number 0, | |
7131 | * since glibc seems to choke on it...) | |
7132 | */ | |
7133 | entry->ino = 1; | |
4f082222 | 7134 | entry->fattr->valid = 0; |
1da177e4 | 7135 | |
9af8c222 TM |
7136 | if (decode_attr_bitmap(xdr, bitmap) < 0) |
7137 | goto out_overflow; | |
7138 | ||
7139 | if (decode_attr_length(xdr, &len, &p) < 0) | |
7140 | goto out_overflow; | |
7141 | ||
573c4e1e | 7142 | if (decode_getfattr_attrs(xdr, bitmap, entry->fattr, entry->fh, |
8b7e3f49 | 7143 | NULL, entry->server) < 0) |
9af8c222 | 7144 | goto out_overflow; |
28331a46 TM |
7145 | if (entry->fattr->valid & NFS_ATTR_FATTR_MOUNTED_ON_FILEID) |
7146 | entry->ino = entry->fattr->mounted_on_fileid; | |
7147 | else if (entry->fattr->valid & NFS_ATTR_FATTR_FILEID) | |
9af8c222 TM |
7148 | entry->ino = entry->fattr->fileid; |
7149 | ||
0b26a0bf TM |
7150 | entry->d_type = DT_UNKNOWN; |
7151 | if (entry->fattr->valid & NFS_ATTR_FATTR_TYPE) | |
7152 | entry->d_type = nfs_umode_to_dtype(entry->fattr->mode); | |
7153 | ||
573c4e1e | 7154 | return 0; |
babddc72 BS |
7155 | |
7156 | out_overflow: | |
7157 | print_overflow_msg(__func__, xdr); | |
573c4e1e | 7158 | return -EAGAIN; |
1da177e4 LT |
7159 | } |
7160 | ||
7161 | /* | |
7162 | * We need to translate between nfs status return values and | |
7163 | * the local errno values which may not be the same. | |
7164 | */ | |
7165 | static struct { | |
7166 | int stat; | |
7167 | int errno; | |
7168 | } nfs_errtbl[] = { | |
7169 | { NFS4_OK, 0 }, | |
856dff3d BH |
7170 | { NFS4ERR_PERM, -EPERM }, |
7171 | { NFS4ERR_NOENT, -ENOENT }, | |
7172 | { NFS4ERR_IO, -errno_NFSERR_IO}, | |
7173 | { NFS4ERR_NXIO, -ENXIO }, | |
7174 | { NFS4ERR_ACCESS, -EACCES }, | |
7175 | { NFS4ERR_EXIST, -EEXIST }, | |
7176 | { NFS4ERR_XDEV, -EXDEV }, | |
7177 | { NFS4ERR_NOTDIR, -ENOTDIR }, | |
7178 | { NFS4ERR_ISDIR, -EISDIR }, | |
7179 | { NFS4ERR_INVAL, -EINVAL }, | |
7180 | { NFS4ERR_FBIG, -EFBIG }, | |
7181 | { NFS4ERR_NOSPC, -ENOSPC }, | |
7182 | { NFS4ERR_ROFS, -EROFS }, | |
7183 | { NFS4ERR_MLINK, -EMLINK }, | |
7184 | { NFS4ERR_NAMETOOLONG, -ENAMETOOLONG }, | |
7185 | { NFS4ERR_NOTEMPTY, -ENOTEMPTY }, | |
7186 | { NFS4ERR_DQUOT, -EDQUOT }, | |
7187 | { NFS4ERR_STALE, -ESTALE }, | |
7188 | { NFS4ERR_BADHANDLE, -EBADHANDLE }, | |
856dff3d BH |
7189 | { NFS4ERR_BAD_COOKIE, -EBADCOOKIE }, |
7190 | { NFS4ERR_NOTSUPP, -ENOTSUPP }, | |
7191 | { NFS4ERR_TOOSMALL, -ETOOSMALL }, | |
fdcb4577 | 7192 | { NFS4ERR_SERVERFAULT, -EREMOTEIO }, |
856dff3d BH |
7193 | { NFS4ERR_BADTYPE, -EBADTYPE }, |
7194 | { NFS4ERR_LOCKED, -EAGAIN }, | |
856dff3d BH |
7195 | { NFS4ERR_SYMLINK, -ELOOP }, |
7196 | { NFS4ERR_OP_ILLEGAL, -EOPNOTSUPP }, | |
7197 | { NFS4ERR_DEADLOCK, -EDEADLK }, | |
856dff3d | 7198 | { -1, -EIO } |
1da177e4 LT |
7199 | }; |
7200 | ||
7201 | /* | |
7202 | * Convert an NFS error code to a local one. | |
7203 | * This one is used jointly by NFSv2 and NFSv3. | |
7204 | */ | |
7205 | static int | |
0a8ea437 | 7206 | nfs4_stat_to_errno(int stat) |
1da177e4 LT |
7207 | { |
7208 | int i; | |
7209 | for (i = 0; nfs_errtbl[i].stat != -1; i++) { | |
7210 | if (nfs_errtbl[i].stat == stat) | |
7211 | return nfs_errtbl[i].errno; | |
7212 | } | |
7213 | if (stat <= 10000 || stat > 10100) { | |
7214 | /* The server is looney tunes. */ | |
fdcb4577 | 7215 | return -EREMOTEIO; |
1da177e4 LT |
7216 | } |
7217 | /* If we cannot translate the error, the recovery routines should | |
7218 | * handle it. | |
7219 | * Note: remaining NFSv4 error codes have values > 10000, so should | |
7220 | * not conflict with native Linux error codes. | |
7221 | */ | |
856dff3d | 7222 | return -stat; |
1da177e4 LT |
7223 | } |
7224 | ||
1da177e4 LT |
7225 | #define PROC(proc, argtype, restype) \ |
7226 | [NFSPROC4_CLNT_##proc] = { \ | |
7227 | .p_proc = NFSPROC4_COMPOUND, \ | |
9f06c719 | 7228 | .p_encode = (kxdreproc_t)nfs4_xdr_##argtype, \ |
bf269551 | 7229 | .p_decode = (kxdrdproc_t)nfs4_xdr_##restype, \ |
2bea90d4 CL |
7230 | .p_arglen = NFS4_##argtype##_sz, \ |
7231 | .p_replen = NFS4_##restype##_sz, \ | |
cc0175c1 CL |
7232 | .p_statidx = NFSPROC4_CLNT_##proc, \ |
7233 | .p_name = #proc, \ | |
05d564fe | 7234 | } |
1da177e4 LT |
7235 | |
7236 | struct rpc_procinfo nfs4_procedures[] = { | |
7d93bd71 CL |
7237 | PROC(READ, enc_read, dec_read), |
7238 | PROC(WRITE, enc_write, dec_write), | |
7239 | PROC(COMMIT, enc_commit, dec_commit), | |
7240 | PROC(OPEN, enc_open, dec_open), | |
7241 | PROC(OPEN_CONFIRM, enc_open_confirm, dec_open_confirm), | |
7242 | PROC(OPEN_NOATTR, enc_open_noattr, dec_open_noattr), | |
7243 | PROC(OPEN_DOWNGRADE, enc_open_downgrade, dec_open_downgrade), | |
7244 | PROC(CLOSE, enc_close, dec_close), | |
7245 | PROC(SETATTR, enc_setattr, dec_setattr), | |
7246 | PROC(FSINFO, enc_fsinfo, dec_fsinfo), | |
7247 | PROC(RENEW, enc_renew, dec_renew), | |
7248 | PROC(SETCLIENTID, enc_setclientid, dec_setclientid), | |
7249 | PROC(SETCLIENTID_CONFIRM, enc_setclientid_confirm, dec_setclientid_confirm), | |
7250 | PROC(LOCK, enc_lock, dec_lock), | |
7251 | PROC(LOCKT, enc_lockt, dec_lockt), | |
7252 | PROC(LOCKU, enc_locku, dec_locku), | |
7253 | PROC(ACCESS, enc_access, dec_access), | |
7254 | PROC(GETATTR, enc_getattr, dec_getattr), | |
7255 | PROC(LOOKUP, enc_lookup, dec_lookup), | |
7256 | PROC(LOOKUP_ROOT, enc_lookup_root, dec_lookup_root), | |
7257 | PROC(REMOVE, enc_remove, dec_remove), | |
7258 | PROC(RENAME, enc_rename, dec_rename), | |
7259 | PROC(LINK, enc_link, dec_link), | |
7260 | PROC(SYMLINK, enc_symlink, dec_symlink), | |
7261 | PROC(CREATE, enc_create, dec_create), | |
7262 | PROC(PATHCONF, enc_pathconf, dec_pathconf), | |
7263 | PROC(STATFS, enc_statfs, dec_statfs), | |
7264 | PROC(READLINK, enc_readlink, dec_readlink), | |
7265 | PROC(READDIR, enc_readdir, dec_readdir), | |
7266 | PROC(SERVER_CAPS, enc_server_caps, dec_server_caps), | |
7267 | PROC(DELEGRETURN, enc_delegreturn, dec_delegreturn), | |
7268 | PROC(GETACL, enc_getacl, dec_getacl), | |
7269 | PROC(SETACL, enc_setacl, dec_setacl), | |
7270 | PROC(FS_LOCATIONS, enc_fs_locations, dec_fs_locations), | |
7271 | PROC(RELEASE_LOCKOWNER, enc_release_lockowner, dec_release_lockowner), | |
5a5ea0d4 | 7272 | PROC(SECINFO, enc_secinfo, dec_secinfo), |
99fe60d0 | 7273 | #if defined(CONFIG_NFS_V4_1) |
7d93bd71 CL |
7274 | PROC(EXCHANGE_ID, enc_exchange_id, dec_exchange_id), |
7275 | PROC(CREATE_SESSION, enc_create_session, dec_create_session), | |
7276 | PROC(DESTROY_SESSION, enc_destroy_session, dec_destroy_session), | |
7277 | PROC(SEQUENCE, enc_sequence, dec_sequence), | |
7278 | PROC(GET_LEASE_TIME, enc_get_lease_time, dec_get_lease_time), | |
7279 | PROC(RECLAIM_COMPLETE, enc_reclaim_complete, dec_reclaim_complete), | |
7280 | PROC(GETDEVICEINFO, enc_getdeviceinfo, dec_getdeviceinfo), | |
7281 | PROC(LAYOUTGET, enc_layoutget, dec_layoutget), | |
863a3c6c | 7282 | PROC(LAYOUTCOMMIT, enc_layoutcommit, dec_layoutcommit), |
cbe82603 | 7283 | PROC(LAYOUTRETURN, enc_layoutreturn, dec_layoutreturn), |
fca78d6d | 7284 | PROC(SECINFO_NO_NAME, enc_secinfo_no_name, dec_secinfo_no_name), |
7d974794 | 7285 | PROC(TEST_STATEID, enc_test_stateid, dec_test_stateid), |
9aeda35f | 7286 | PROC(FREE_STATEID, enc_free_stateid, dec_free_stateid), |
7f11d8d3 | 7287 | PROC(GETDEVICELIST, enc_getdevicelist, dec_getdevicelist), |
ad24ecfb TM |
7288 | PROC(BIND_CONN_TO_SESSION, |
7289 | enc_bind_conn_to_session, dec_bind_conn_to_session), | |
66245539 | 7290 | PROC(DESTROY_CLIENTID, enc_destroy_clientid, dec_destroy_clientid), |
99fe60d0 | 7291 | #endif /* CONFIG_NFS_V4_1 */ |
1da177e4 LT |
7292 | }; |
7293 | ||
a613fa16 | 7294 | const struct rpc_version nfs_version4 = { |
1da177e4 | 7295 | .number = 4, |
e8c96f8c | 7296 | .nrprocs = ARRAY_SIZE(nfs4_procedures), |
1da177e4 LT |
7297 | .procs = nfs4_procedures |
7298 | }; | |
7299 | ||
7300 | /* | |
7301 | * Local variables: | |
7302 | * c-basic-offset: 8 | |
7303 | * End: | |
7304 | */ |