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1da177e4 LT |
1 | /* |
2 | * fs/nfs/nfs4xdr.c | |
3 | * | |
4 | * Client-side XDR for NFSv4. | |
5 | * | |
6 | * Copyright (c) 2002 The Regents of the University of Michigan. | |
7 | * All rights reserved. | |
8 | * | |
9 | * Kendrick Smith <kmsmith@umich.edu> | |
10 | * Andy Adamson <andros@umich.edu> | |
6c0195a4 | 11 | * |
1da177e4 LT |
12 | * Redistribution and use in source and binary forms, with or without |
13 | * modification, are permitted provided that the following conditions | |
14 | * are met: | |
15 | * | |
16 | * 1. Redistributions of source code must retain the above copyright | |
17 | * notice, this list of conditions and the following disclaimer. | |
18 | * 2. Redistributions in binary form must reproduce the above copyright | |
19 | * notice, this list of conditions and the following disclaimer in the | |
20 | * documentation and/or other materials provided with the distribution. | |
21 | * 3. Neither the name of the University nor the names of its | |
22 | * contributors may be used to endorse or promote products derived | |
23 | * from this software without specific prior written permission. | |
24 | * | |
25 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED | |
26 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
27 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
28 | * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
29 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
30 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
31 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR | |
32 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | |
33 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
34 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
35 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
36 | */ | |
37 | ||
38 | #include <linux/param.h> | |
39 | #include <linux/time.h> | |
40 | #include <linux/mm.h> | |
1da177e4 LT |
41 | #include <linux/errno.h> |
42 | #include <linux/string.h> | |
43 | #include <linux/in.h> | |
44 | #include <linux/pagemap.h> | |
45 | #include <linux/proc_fs.h> | |
46 | #include <linux/kdev_t.h> | |
db8ac8ba WAA |
47 | #include <linux/module.h> |
48 | #include <linux/utsname.h> | |
1da177e4 | 49 | #include <linux/sunrpc/clnt.h> |
2449ea2e | 50 | #include <linux/sunrpc/msg_prot.h> |
5a5ea0d4 | 51 | #include <linux/sunrpc/gss_api.h> |
1da177e4 LT |
52 | #include <linux/nfs.h> |
53 | #include <linux/nfs4.h> | |
54 | #include <linux/nfs_fs.h> | |
55 | #include <linux/nfs_idmap.h> | |
4ce79717 | 56 | #include "nfs4_fs.h" |
4882ef72 | 57 | #include "internal.h" |
b1f69b75 | 58 | #include "pnfs.h" |
1da177e4 LT |
59 | |
60 | #define NFSDBG_FACILITY NFSDBG_XDR | |
61 | ||
62 | /* Mapping from NFS error code to "errno" error code. */ | |
63 | #define errno_NFSERR_IO EIO | |
64 | ||
0a8ea437 | 65 | static int nfs4_stat_to_errno(int); |
1da177e4 LT |
66 | |
67 | /* NFSv4 COMPOUND tags are only wanted for debugging purposes */ | |
68 | #ifdef DEBUG | |
69 | #define NFS4_MAXTAGLEN 20 | |
70 | #else | |
71 | #define NFS4_MAXTAGLEN 0 | |
72 | #endif | |
73 | ||
6c0195a4 | 74 | /* lock,open owner id: |
9f958ab8 | 75 | * we currently use size 2 (u64) out of (NFS4_OPAQUE_LIMIT >> 2) |
1da177e4 | 76 | */ |
d035c36c TM |
77 | #define open_owner_id_maxsz (1 + 1 + 4) |
78 | #define lock_owner_id_maxsz (1 + 1 + 4) | |
9104a55d | 79 | #define decode_lockowner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) |
1da177e4 LT |
80 | #define compound_encode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2)) |
81 | #define compound_decode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2)) | |
82 | #define op_encode_hdr_maxsz (1) | |
83 | #define op_decode_hdr_maxsz (2) | |
9104a55d TM |
84 | #define encode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE)) |
85 | #define decode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE)) | |
86 | #define encode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE)) | |
87 | #define decode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE)) | |
1da177e4 LT |
88 | #define encode_putfh_maxsz (op_encode_hdr_maxsz + 1 + \ |
89 | (NFS4_FHSIZE >> 2)) | |
90 | #define decode_putfh_maxsz (op_decode_hdr_maxsz) | |
91 | #define encode_putrootfh_maxsz (op_encode_hdr_maxsz) | |
92 | #define decode_putrootfh_maxsz (op_decode_hdr_maxsz) | |
93 | #define encode_getfh_maxsz (op_encode_hdr_maxsz) | |
94 | #define decode_getfh_maxsz (op_decode_hdr_maxsz + 1 + \ | |
95 | ((3+NFS4_FHSIZE) >> 2)) | |
e5012d1f | 96 | #define nfs4_fattr_bitmap_maxsz 4 |
96928206 | 97 | #define encode_getattr_maxsz (op_encode_hdr_maxsz + nfs4_fattr_bitmap_maxsz) |
1da177e4 LT |
98 | #define nfs4_name_maxsz (1 + ((3 + NFS4_MAXNAMLEN) >> 2)) |
99 | #define nfs4_path_maxsz (1 + ((3 + NFS4_MAXPATHLEN) >> 2)) | |
bd625ba8 TM |
100 | #define nfs4_owner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) |
101 | #define nfs4_group_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) | |
96928206 BF |
102 | /* This is based on getfattr, which uses the most attributes: */ |
103 | #define nfs4_fattr_value_maxsz (1 + (1 + 2 + 2 + 4 + 2 + 1 + 1 + 2 + 2 + \ | |
bd625ba8 | 104 | 3 + 3 + 3 + nfs4_owner_maxsz + nfs4_group_maxsz)) |
96928206 BF |
105 | #define nfs4_fattr_maxsz (nfs4_fattr_bitmap_maxsz + \ |
106 | nfs4_fattr_value_maxsz) | |
107 | #define decode_getattr_maxsz (op_decode_hdr_maxsz + nfs4_fattr_maxsz) | |
9104a55d TM |
108 | #define encode_attrs_maxsz (nfs4_fattr_bitmap_maxsz + \ |
109 | 1 + 2 + 1 + \ | |
110 | nfs4_owner_maxsz + \ | |
111 | nfs4_group_maxsz + \ | |
112 | 4 + 4) | |
1da177e4 LT |
113 | #define encode_savefh_maxsz (op_encode_hdr_maxsz) |
114 | #define decode_savefh_maxsz (op_decode_hdr_maxsz) | |
56ae19f3 TM |
115 | #define encode_restorefh_maxsz (op_encode_hdr_maxsz) |
116 | #define decode_restorefh_maxsz (op_decode_hdr_maxsz) | |
2f42b5d0 | 117 | #define encode_fsinfo_maxsz (encode_getattr_maxsz) |
dae100c2 FI |
118 | /* The 5 accounts for the PNFS attributes, and assumes that at most three |
119 | * layout types will be returned. | |
120 | */ | |
121 | #define decode_fsinfo_maxsz (op_decode_hdr_maxsz + \ | |
122 | nfs4_fattr_bitmap_maxsz + 4 + 8 + 5) | |
1da177e4 LT |
123 | #define encode_renew_maxsz (op_encode_hdr_maxsz + 3) |
124 | #define decode_renew_maxsz (op_decode_hdr_maxsz) | |
125 | #define encode_setclientid_maxsz \ | |
126 | (op_encode_hdr_maxsz + \ | |
cc38bac3 CL |
127 | XDR_QUADLEN(NFS4_VERIFIER_SIZE) + \ |
128 | XDR_QUADLEN(NFS4_SETCLIENTID_NAMELEN) + \ | |
129 | 1 /* sc_prog */ + \ | |
130 | XDR_QUADLEN(RPCBIND_MAXNETIDLEN) + \ | |
131 | XDR_QUADLEN(RPCBIND_MAXUADDRLEN) + \ | |
132 | 1) /* sc_cb_ident */ | |
1da177e4 LT |
133 | #define decode_setclientid_maxsz \ |
134 | (op_decode_hdr_maxsz + \ | |
135 | 2 + \ | |
136 | 1024) /* large value for CLID_INUSE */ | |
137 | #define encode_setclientid_confirm_maxsz \ | |
138 | (op_encode_hdr_maxsz + \ | |
139 | 3 + (NFS4_VERIFIER_SIZE >> 2)) | |
140 | #define decode_setclientid_confirm_maxsz \ | |
141 | (op_decode_hdr_maxsz) | |
e6889620 TM |
142 | #define encode_lookup_maxsz (op_encode_hdr_maxsz + nfs4_name_maxsz) |
143 | #define decode_lookup_maxsz (op_decode_hdr_maxsz) | |
2cebf828 TM |
144 | #define encode_share_access_maxsz \ |
145 | (2) | |
4882ef72 | 146 | #define encode_createmode_maxsz (1 + encode_attrs_maxsz + encode_verifier_maxsz) |
2cebf828 TM |
147 | #define encode_opentype_maxsz (1 + encode_createmode_maxsz) |
148 | #define encode_claim_null_maxsz (1 + nfs4_name_maxsz) | |
149 | #define encode_open_maxsz (op_encode_hdr_maxsz + \ | |
150 | 2 + encode_share_access_maxsz + 2 + \ | |
151 | open_owner_id_maxsz + \ | |
152 | encode_opentype_maxsz + \ | |
153 | encode_claim_null_maxsz) | |
154 | #define decode_ace_maxsz (3 + nfs4_owner_maxsz) | |
9104a55d | 155 | #define decode_delegation_maxsz (1 + decode_stateid_maxsz + 1 + \ |
2cebf828 TM |
156 | decode_ace_maxsz) |
157 | #define decode_change_info_maxsz (5) | |
158 | #define decode_open_maxsz (op_decode_hdr_maxsz + \ | |
9104a55d | 159 | decode_stateid_maxsz + \ |
2cebf828 TM |
160 | decode_change_info_maxsz + 1 + \ |
161 | nfs4_fattr_bitmap_maxsz + \ | |
162 | decode_delegation_maxsz) | |
9104a55d TM |
163 | #define encode_open_confirm_maxsz \ |
164 | (op_encode_hdr_maxsz + \ | |
165 | encode_stateid_maxsz + 1) | |
166 | #define decode_open_confirm_maxsz \ | |
167 | (op_decode_hdr_maxsz + \ | |
168 | decode_stateid_maxsz) | |
169 | #define encode_open_downgrade_maxsz \ | |
170 | (op_encode_hdr_maxsz + \ | |
171 | encode_stateid_maxsz + 1 + \ | |
172 | encode_share_access_maxsz) | |
173 | #define decode_open_downgrade_maxsz \ | |
174 | (op_decode_hdr_maxsz + \ | |
175 | decode_stateid_maxsz) | |
176 | #define encode_close_maxsz (op_encode_hdr_maxsz + \ | |
177 | 1 + encode_stateid_maxsz) | |
178 | #define decode_close_maxsz (op_decode_hdr_maxsz + \ | |
179 | decode_stateid_maxsz) | |
180 | #define encode_setattr_maxsz (op_encode_hdr_maxsz + \ | |
181 | encode_stateid_maxsz + \ | |
182 | encode_attrs_maxsz) | |
183 | #define decode_setattr_maxsz (op_decode_hdr_maxsz + \ | |
184 | nfs4_fattr_bitmap_maxsz) | |
185 | #define encode_read_maxsz (op_encode_hdr_maxsz + \ | |
186 | encode_stateid_maxsz + 3) | |
187 | #define decode_read_maxsz (op_decode_hdr_maxsz + 2) | |
188 | #define encode_readdir_maxsz (op_encode_hdr_maxsz + \ | |
189 | 2 + encode_verifier_maxsz + 5) | |
190 | #define decode_readdir_maxsz (op_decode_hdr_maxsz + \ | |
191 | decode_verifier_maxsz) | |
192 | #define encode_readlink_maxsz (op_encode_hdr_maxsz) | |
193 | #define decode_readlink_maxsz (op_decode_hdr_maxsz + 1) | |
194 | #define encode_write_maxsz (op_encode_hdr_maxsz + \ | |
195 | encode_stateid_maxsz + 4) | |
196 | #define decode_write_maxsz (op_decode_hdr_maxsz + \ | |
197 | 2 + decode_verifier_maxsz) | |
198 | #define encode_commit_maxsz (op_encode_hdr_maxsz + 3) | |
199 | #define decode_commit_maxsz (op_decode_hdr_maxsz + \ | |
200 | decode_verifier_maxsz) | |
1da177e4 LT |
201 | #define encode_remove_maxsz (op_encode_hdr_maxsz + \ |
202 | nfs4_name_maxsz) | |
6ce18391 BH |
203 | #define decode_remove_maxsz (op_decode_hdr_maxsz + \ |
204 | decode_change_info_maxsz) | |
1da177e4 LT |
205 | #define encode_rename_maxsz (op_encode_hdr_maxsz + \ |
206 | 2 * nfs4_name_maxsz) | |
6ce18391 BH |
207 | #define decode_rename_maxsz (op_decode_hdr_maxsz + \ |
208 | decode_change_info_maxsz + \ | |
209 | decode_change_info_maxsz) | |
1da177e4 LT |
210 | #define encode_link_maxsz (op_encode_hdr_maxsz + \ |
211 | nfs4_name_maxsz) | |
6ce18391 | 212 | #define decode_link_maxsz (op_decode_hdr_maxsz + decode_change_info_maxsz) |
daccbded | 213 | #define encode_lockowner_maxsz (7) |
9104a55d TM |
214 | #define encode_lock_maxsz (op_encode_hdr_maxsz + \ |
215 | 7 + \ | |
daccbded TM |
216 | 1 + encode_stateid_maxsz + 1 + \ |
217 | encode_lockowner_maxsz) | |
9104a55d TM |
218 | #define decode_lock_denied_maxsz \ |
219 | (8 + decode_lockowner_maxsz) | |
220 | #define decode_lock_maxsz (op_decode_hdr_maxsz + \ | |
221 | decode_lock_denied_maxsz) | |
daccbded TM |
222 | #define encode_lockt_maxsz (op_encode_hdr_maxsz + 5 + \ |
223 | encode_lockowner_maxsz) | |
9104a55d TM |
224 | #define decode_lockt_maxsz (op_decode_hdr_maxsz + \ |
225 | decode_lock_denied_maxsz) | |
226 | #define encode_locku_maxsz (op_encode_hdr_maxsz + 3 + \ | |
227 | encode_stateid_maxsz + \ | |
228 | 4) | |
229 | #define decode_locku_maxsz (op_decode_hdr_maxsz + \ | |
230 | decode_stateid_maxsz) | |
d3c7b7cc TM |
231 | #define encode_release_lockowner_maxsz \ |
232 | (op_encode_hdr_maxsz + \ | |
233 | encode_lockowner_maxsz) | |
234 | #define decode_release_lockowner_maxsz \ | |
235 | (op_decode_hdr_maxsz) | |
9104a55d TM |
236 | #define encode_access_maxsz (op_encode_hdr_maxsz + 1) |
237 | #define decode_access_maxsz (op_decode_hdr_maxsz + 2) | |
1da177e4 LT |
238 | #define encode_symlink_maxsz (op_encode_hdr_maxsz + \ |
239 | 1 + nfs4_name_maxsz + \ | |
94a6d753 | 240 | 1 + \ |
96928206 | 241 | nfs4_fattr_maxsz) |
1da177e4 LT |
242 | #define decode_symlink_maxsz (op_decode_hdr_maxsz + 8) |
243 | #define encode_create_maxsz (op_encode_hdr_maxsz + \ | |
9104a55d TM |
244 | 1 + 2 + nfs4_name_maxsz + \ |
245 | encode_attrs_maxsz) | |
2cebf828 TM |
246 | #define decode_create_maxsz (op_decode_hdr_maxsz + \ |
247 | decode_change_info_maxsz + \ | |
248 | nfs4_fattr_bitmap_maxsz) | |
9104a55d TM |
249 | #define encode_statfs_maxsz (encode_getattr_maxsz) |
250 | #define decode_statfs_maxsz (decode_getattr_maxsz) | |
1da177e4 LT |
251 | #define encode_delegreturn_maxsz (op_encode_hdr_maxsz + 4) |
252 | #define decode_delegreturn_maxsz (op_decode_hdr_maxsz) | |
9104a55d TM |
253 | #define encode_getacl_maxsz (encode_getattr_maxsz) |
254 | #define decode_getacl_maxsz (op_decode_hdr_maxsz + \ | |
255 | nfs4_fattr_bitmap_maxsz + 1) | |
256 | #define encode_setacl_maxsz (op_encode_hdr_maxsz + \ | |
257 | encode_stateid_maxsz + 3) | |
258 | #define decode_setacl_maxsz (decode_setattr_maxsz) | |
e6889620 TM |
259 | #define encode_fs_locations_maxsz \ |
260 | (encode_getattr_maxsz) | |
261 | #define decode_fs_locations_maxsz \ | |
262 | (0) | |
5a5ea0d4 | 263 | #define encode_secinfo_maxsz (op_encode_hdr_maxsz + nfs4_name_maxsz) |
1650add2 | 264 | #define decode_secinfo_maxsz (op_decode_hdr_maxsz + 1 + ((NFS_MAX_SECFLAVORS * (16 + GSS_OID_MAX_LEN)) / 4)) |
9b7b9fcc AA |
265 | |
266 | #if defined(CONFIG_NFS_V4_1) | |
fc931582 AA |
267 | #define NFS4_MAX_MACHINE_NAME_LEN (64) |
268 | ||
99fe60d0 BH |
269 | #define encode_exchange_id_maxsz (op_encode_hdr_maxsz + \ |
270 | encode_verifier_maxsz + \ | |
271 | 1 /* co_ownerid.len */ + \ | |
272 | XDR_QUADLEN(NFS4_EXCHANGE_ID_LEN) + \ | |
273 | 1 /* flags */ + \ | |
274 | 1 /* spa_how */ + \ | |
275 | 0 /* SP4_NONE (for now) */ + \ | |
db8ac8ba WAA |
276 | 1 /* implementation id array of size 1 */ + \ |
277 | 1 /* nii_domain */ + \ | |
278 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
279 | 1 /* nii_name */ + \ | |
280 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
281 | 3 /* nii_date */) | |
99fe60d0 BH |
282 | #define decode_exchange_id_maxsz (op_decode_hdr_maxsz + \ |
283 | 2 /* eir_clientid */ + \ | |
284 | 1 /* eir_sequenceid */ + \ | |
285 | 1 /* eir_flags */ + \ | |
286 | 1 /* spr_how */ + \ | |
287 | 0 /* SP4_NONE (for now) */ + \ | |
288 | 2 /* eir_server_owner.so_minor_id */ + \ | |
289 | /* eir_server_owner.so_major_id<> */ \ | |
290 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 + \ | |
291 | /* eir_server_scope<> */ \ | |
292 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 + \ | |
293 | 1 /* eir_server_impl_id array length */ + \ | |
7d2ed9ac WAA |
294 | 1 /* nii_domain */ + \ |
295 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
296 | 1 /* nii_name */ + \ | |
297 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
298 | 3 /* nii_date */) | |
fc931582 AA |
299 | #define encode_channel_attrs_maxsz (6 + 1 /* ca_rdma_ird.len (0) */) |
300 | #define decode_channel_attrs_maxsz (6 + \ | |
301 | 1 /* ca_rdma_ird.len */ + \ | |
302 | 1 /* ca_rdma_ird */) | |
303 | #define encode_create_session_maxsz (op_encode_hdr_maxsz + \ | |
304 | 2 /* csa_clientid */ + \ | |
305 | 1 /* csa_sequence */ + \ | |
306 | 1 /* csa_flags */ + \ | |
307 | encode_channel_attrs_maxsz + \ | |
308 | encode_channel_attrs_maxsz + \ | |
309 | 1 /* csa_cb_program */ + \ | |
310 | 1 /* csa_sec_parms.len (1) */ + \ | |
311 | 1 /* cb_secflavor (AUTH_SYS) */ + \ | |
312 | 1 /* stamp */ + \ | |
313 | 1 /* machinename.len */ + \ | |
314 | XDR_QUADLEN(NFS4_MAX_MACHINE_NAME_LEN) + \ | |
315 | 1 /* uid */ + \ | |
316 | 1 /* gid */ + \ | |
317 | 1 /* gids.len (0) */) | |
318 | #define decode_create_session_maxsz (op_decode_hdr_maxsz + \ | |
319 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + \ | |
320 | 1 /* csr_sequence */ + \ | |
321 | 1 /* csr_flags */ + \ | |
322 | decode_channel_attrs_maxsz + \ | |
323 | decode_channel_attrs_maxsz) | |
0f3e66c6 AA |
324 | #define encode_destroy_session_maxsz (op_encode_hdr_maxsz + 4) |
325 | #define decode_destroy_session_maxsz (op_decode_hdr_maxsz) | |
fc01cea9 AA |
326 | #define encode_sequence_maxsz (op_encode_hdr_maxsz + \ |
327 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 4) | |
328 | #define decode_sequence_maxsz (op_decode_hdr_maxsz + \ | |
329 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 5) | |
18019753 RL |
330 | #define encode_reclaim_complete_maxsz (op_encode_hdr_maxsz + 4) |
331 | #define decode_reclaim_complete_maxsz (op_decode_hdr_maxsz + 4) | |
7f11d8d3 AA |
332 | #define encode_getdevicelist_maxsz (op_encode_hdr_maxsz + 4 + \ |
333 | encode_verifier_maxsz) | |
334 | #define decode_getdevicelist_maxsz (op_decode_hdr_maxsz + \ | |
335 | 2 /* nfs_cookie4 gdlr_cookie */ + \ | |
336 | decode_verifier_maxsz \ | |
337 | /* verifier4 gdlr_verifier */ + \ | |
338 | 1 /* gdlr_deviceid_list count */ + \ | |
339 | XDR_QUADLEN(NFS4_PNFS_GETDEVLIST_MAXNUM * \ | |
340 | NFS4_DEVICEID4_SIZE) \ | |
341 | /* gdlr_deviceid_list */ + \ | |
342 | 1 /* bool gdlr_eof */) | |
b1f69b75 AA |
343 | #define encode_getdeviceinfo_maxsz (op_encode_hdr_maxsz + 4 + \ |
344 | XDR_QUADLEN(NFS4_DEVICEID4_SIZE)) | |
345 | #define decode_getdeviceinfo_maxsz (op_decode_hdr_maxsz + \ | |
346 | 1 /* layout type */ + \ | |
347 | 1 /* opaque devaddr4 length */ + \ | |
348 | /* devaddr4 payload is read into page */ \ | |
349 | 1 /* notification bitmap length */ + \ | |
350 | 1 /* notification bitmap */) | |
351 | #define encode_layoutget_maxsz (op_encode_hdr_maxsz + 10 + \ | |
352 | encode_stateid_maxsz) | |
353 | #define decode_layoutget_maxsz (op_decode_hdr_maxsz + 8 + \ | |
354 | decode_stateid_maxsz + \ | |
355 | XDR_QUADLEN(PNFS_LAYOUT_MAXSIZE)) | |
863a3c6c AA |
356 | #define encode_layoutcommit_maxsz (op_encode_hdr_maxsz + \ |
357 | 2 /* offset */ + \ | |
358 | 2 /* length */ + \ | |
359 | 1 /* reclaim */ + \ | |
360 | encode_stateid_maxsz + \ | |
361 | 1 /* new offset (true) */ + \ | |
362 | 2 /* last byte written */ + \ | |
363 | 1 /* nt_timechanged (false) */ + \ | |
364 | 1 /* layoutupdate4 layout type */ + \ | |
365 | 1 /* NULL filelayout layoutupdate4 payload */) | |
366 | #define decode_layoutcommit_maxsz (op_decode_hdr_maxsz + 3) | |
cbe82603 BH |
367 | #define encode_layoutreturn_maxsz (8 + op_encode_hdr_maxsz + \ |
368 | encode_stateid_maxsz + \ | |
369 | 1 /* FIXME: opaque lrf_body always empty at the moment */) | |
370 | #define decode_layoutreturn_maxsz (op_decode_hdr_maxsz + \ | |
371 | 1 + decode_stateid_maxsz) | |
fca78d6d BS |
372 | #define encode_secinfo_no_name_maxsz (op_encode_hdr_maxsz + 1) |
373 | #define decode_secinfo_no_name_maxsz decode_secinfo_maxsz | |
7d974794 BS |
374 | #define encode_test_stateid_maxsz (op_encode_hdr_maxsz + 2 + \ |
375 | XDR_QUADLEN(NFS4_STATEID_SIZE)) | |
376 | #define decode_test_stateid_maxsz (op_decode_hdr_maxsz + 2 + 1) | |
9aeda35f BS |
377 | #define encode_free_stateid_maxsz (op_encode_hdr_maxsz + 1 + \ |
378 | XDR_QUADLEN(NFS4_STATEID_SIZE)) | |
379 | #define decode_free_stateid_maxsz (op_decode_hdr_maxsz + 1) | |
9b7b9fcc AA |
380 | #else /* CONFIG_NFS_V4_1 */ |
381 | #define encode_sequence_maxsz 0 | |
382 | #define decode_sequence_maxsz 0 | |
383 | #endif /* CONFIG_NFS_V4_1 */ | |
384 | ||
1da177e4 LT |
385 | #define NFS4_enc_compound_sz (1024) /* XXX: large enough? */ |
386 | #define NFS4_dec_compound_sz (1024) /* XXX: large enough? */ | |
387 | #define NFS4_enc_read_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 388 | encode_sequence_maxsz + \ |
1da177e4 | 389 | encode_putfh_maxsz + \ |
9104a55d | 390 | encode_read_maxsz) |
1da177e4 | 391 | #define NFS4_dec_read_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 392 | decode_sequence_maxsz + \ |
1da177e4 | 393 | decode_putfh_maxsz + \ |
9104a55d | 394 | decode_read_maxsz) |
1da177e4 | 395 | #define NFS4_enc_readlink_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 396 | encode_sequence_maxsz + \ |
1da177e4 | 397 | encode_putfh_maxsz + \ |
9104a55d | 398 | encode_readlink_maxsz) |
1da177e4 | 399 | #define NFS4_dec_readlink_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 400 | decode_sequence_maxsz + \ |
1da177e4 | 401 | decode_putfh_maxsz + \ |
9104a55d | 402 | decode_readlink_maxsz) |
1da177e4 | 403 | #define NFS4_enc_readdir_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 404 | encode_sequence_maxsz + \ |
1da177e4 | 405 | encode_putfh_maxsz + \ |
9104a55d | 406 | encode_readdir_maxsz) |
1da177e4 | 407 | #define NFS4_dec_readdir_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 408 | decode_sequence_maxsz + \ |
1da177e4 | 409 | decode_putfh_maxsz + \ |
9104a55d | 410 | decode_readdir_maxsz) |
1da177e4 | 411 | #define NFS4_enc_write_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 412 | encode_sequence_maxsz + \ |
1da177e4 | 413 | encode_putfh_maxsz + \ |
9104a55d | 414 | encode_write_maxsz + \ |
4f9838c7 | 415 | encode_getattr_maxsz) |
1da177e4 | 416 | #define NFS4_dec_write_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 417 | decode_sequence_maxsz + \ |
1da177e4 | 418 | decode_putfh_maxsz + \ |
9104a55d | 419 | decode_write_maxsz + \ |
4f9838c7 | 420 | decode_getattr_maxsz) |
1da177e4 | 421 | #define NFS4_enc_commit_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 422 | encode_sequence_maxsz + \ |
1da177e4 | 423 | encode_putfh_maxsz + \ |
9104a55d | 424 | encode_commit_maxsz + \ |
4f9838c7 | 425 | encode_getattr_maxsz) |
1da177e4 | 426 | #define NFS4_dec_commit_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 427 | decode_sequence_maxsz + \ |
1da177e4 | 428 | decode_putfh_maxsz + \ |
9104a55d | 429 | decode_commit_maxsz + \ |
4f9838c7 | 430 | decode_getattr_maxsz) |
1da177e4 | 431 | #define NFS4_enc_open_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 432 | encode_sequence_maxsz + \ |
2cebf828 TM |
433 | encode_putfh_maxsz + \ |
434 | encode_savefh_maxsz + \ | |
435 | encode_open_maxsz + \ | |
436 | encode_getfh_maxsz + \ | |
437 | encode_getattr_maxsz + \ | |
438 | encode_restorefh_maxsz + \ | |
439 | encode_getattr_maxsz) | |
1da177e4 | 440 | #define NFS4_dec_open_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 441 | decode_sequence_maxsz + \ |
2cebf828 TM |
442 | decode_putfh_maxsz + \ |
443 | decode_savefh_maxsz + \ | |
444 | decode_open_maxsz + \ | |
445 | decode_getfh_maxsz + \ | |
446 | decode_getattr_maxsz + \ | |
447 | decode_restorefh_maxsz + \ | |
448 | decode_getattr_maxsz) | |
9104a55d TM |
449 | #define NFS4_enc_open_confirm_sz \ |
450 | (compound_encode_hdr_maxsz + \ | |
451 | encode_putfh_maxsz + \ | |
452 | encode_open_confirm_maxsz) | |
453 | #define NFS4_dec_open_confirm_sz \ | |
454 | (compound_decode_hdr_maxsz + \ | |
455 | decode_putfh_maxsz + \ | |
456 | decode_open_confirm_maxsz) | |
1da177e4 | 457 | #define NFS4_enc_open_noattr_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 458 | encode_sequence_maxsz + \ |
1da177e4 | 459 | encode_putfh_maxsz + \ |
2cebf828 TM |
460 | encode_open_maxsz + \ |
461 | encode_getattr_maxsz) | |
1da177e4 | 462 | #define NFS4_dec_open_noattr_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 463 | decode_sequence_maxsz + \ |
1da177e4 | 464 | decode_putfh_maxsz + \ |
2cebf828 TM |
465 | decode_open_maxsz + \ |
466 | decode_getattr_maxsz) | |
1da177e4 LT |
467 | #define NFS4_enc_open_downgrade_sz \ |
468 | (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 469 | encode_sequence_maxsz + \ |
9104a55d TM |
470 | encode_putfh_maxsz + \ |
471 | encode_open_downgrade_maxsz + \ | |
472 | encode_getattr_maxsz) | |
1da177e4 LT |
473 | #define NFS4_dec_open_downgrade_sz \ |
474 | (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 475 | decode_sequence_maxsz + \ |
9104a55d TM |
476 | decode_putfh_maxsz + \ |
477 | decode_open_downgrade_maxsz + \ | |
478 | decode_getattr_maxsz) | |
479 | #define NFS4_enc_close_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 480 | encode_sequence_maxsz + \ |
9104a55d TM |
481 | encode_putfh_maxsz + \ |
482 | encode_close_maxsz + \ | |
483 | encode_getattr_maxsz) | |
484 | #define NFS4_dec_close_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 485 | decode_sequence_maxsz + \ |
9104a55d TM |
486 | decode_putfh_maxsz + \ |
487 | decode_close_maxsz + \ | |
488 | decode_getattr_maxsz) | |
489 | #define NFS4_enc_setattr_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 490 | encode_sequence_maxsz + \ |
9104a55d TM |
491 | encode_putfh_maxsz + \ |
492 | encode_setattr_maxsz + \ | |
493 | encode_getattr_maxsz) | |
494 | #define NFS4_dec_setattr_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 495 | decode_sequence_maxsz + \ |
9104a55d TM |
496 | decode_putfh_maxsz + \ |
497 | decode_setattr_maxsz + \ | |
498 | decode_getattr_maxsz) | |
1da177e4 | 499 | #define NFS4_enc_fsinfo_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 500 | encode_sequence_maxsz + \ |
1da177e4 LT |
501 | encode_putfh_maxsz + \ |
502 | encode_fsinfo_maxsz) | |
503 | #define NFS4_dec_fsinfo_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 504 | decode_sequence_maxsz + \ |
1da177e4 LT |
505 | decode_putfh_maxsz + \ |
506 | decode_fsinfo_maxsz) | |
507 | #define NFS4_enc_renew_sz (compound_encode_hdr_maxsz + \ | |
508 | encode_renew_maxsz) | |
509 | #define NFS4_dec_renew_sz (compound_decode_hdr_maxsz + \ | |
510 | decode_renew_maxsz) | |
511 | #define NFS4_enc_setclientid_sz (compound_encode_hdr_maxsz + \ | |
512 | encode_setclientid_maxsz) | |
513 | #define NFS4_dec_setclientid_sz (compound_decode_hdr_maxsz + \ | |
514 | decode_setclientid_maxsz) | |
515 | #define NFS4_enc_setclientid_confirm_sz \ | |
516 | (compound_encode_hdr_maxsz + \ | |
517 | encode_setclientid_confirm_maxsz + \ | |
518 | encode_putrootfh_maxsz + \ | |
519 | encode_fsinfo_maxsz) | |
520 | #define NFS4_dec_setclientid_confirm_sz \ | |
521 | (compound_decode_hdr_maxsz + \ | |
522 | decode_setclientid_confirm_maxsz + \ | |
523 | decode_putrootfh_maxsz + \ | |
524 | decode_fsinfo_maxsz) | |
525 | #define NFS4_enc_lock_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 526 | encode_sequence_maxsz + \ |
1da177e4 | 527 | encode_putfh_maxsz + \ |
9104a55d | 528 | encode_lock_maxsz) |
1da177e4 | 529 | #define NFS4_dec_lock_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 530 | decode_sequence_maxsz + \ |
1da177e4 | 531 | decode_putfh_maxsz + \ |
9104a55d | 532 | decode_lock_maxsz) |
1da177e4 | 533 | #define NFS4_enc_lockt_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 534 | encode_sequence_maxsz + \ |
1da177e4 | 535 | encode_putfh_maxsz + \ |
9104a55d TM |
536 | encode_lockt_maxsz) |
537 | #define NFS4_dec_lockt_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 538 | decode_sequence_maxsz + \ |
9104a55d TM |
539 | decode_putfh_maxsz + \ |
540 | decode_lockt_maxsz) | |
1da177e4 | 541 | #define NFS4_enc_locku_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 542 | encode_sequence_maxsz + \ |
1da177e4 | 543 | encode_putfh_maxsz + \ |
9104a55d | 544 | encode_locku_maxsz) |
1da177e4 | 545 | #define NFS4_dec_locku_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 546 | decode_sequence_maxsz + \ |
1da177e4 | 547 | decode_putfh_maxsz + \ |
9104a55d | 548 | decode_locku_maxsz) |
d3c7b7cc TM |
549 | #define NFS4_enc_release_lockowner_sz \ |
550 | (compound_encode_hdr_maxsz + \ | |
551 | encode_lockowner_maxsz) | |
552 | #define NFS4_dec_release_lockowner_sz \ | |
553 | (compound_decode_hdr_maxsz + \ | |
554 | decode_lockowner_maxsz) | |
1da177e4 | 555 | #define NFS4_enc_access_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 556 | encode_sequence_maxsz + \ |
1da177e4 | 557 | encode_putfh_maxsz + \ |
76b32999 TM |
558 | encode_access_maxsz + \ |
559 | encode_getattr_maxsz) | |
1da177e4 | 560 | #define NFS4_dec_access_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 561 | decode_sequence_maxsz + \ |
1da177e4 | 562 | decode_putfh_maxsz + \ |
76b32999 TM |
563 | decode_access_maxsz + \ |
564 | decode_getattr_maxsz) | |
1da177e4 | 565 | #define NFS4_enc_getattr_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 566 | encode_sequence_maxsz + \ |
1da177e4 LT |
567 | encode_putfh_maxsz + \ |
568 | encode_getattr_maxsz) | |
569 | #define NFS4_dec_getattr_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 570 | decode_sequence_maxsz + \ |
1da177e4 LT |
571 | decode_putfh_maxsz + \ |
572 | decode_getattr_maxsz) | |
573 | #define NFS4_enc_lookup_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 574 | encode_sequence_maxsz + \ |
1da177e4 LT |
575 | encode_putfh_maxsz + \ |
576 | encode_lookup_maxsz + \ | |
577 | encode_getattr_maxsz + \ | |
578 | encode_getfh_maxsz) | |
579 | #define NFS4_dec_lookup_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 580 | decode_sequence_maxsz + \ |
1da177e4 | 581 | decode_putfh_maxsz + \ |
e6889620 | 582 | decode_lookup_maxsz + \ |
1da177e4 LT |
583 | decode_getattr_maxsz + \ |
584 | decode_getfh_maxsz) | |
585 | #define NFS4_enc_lookup_root_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 586 | encode_sequence_maxsz + \ |
1da177e4 LT |
587 | encode_putrootfh_maxsz + \ |
588 | encode_getattr_maxsz + \ | |
589 | encode_getfh_maxsz) | |
590 | #define NFS4_dec_lookup_root_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 591 | decode_sequence_maxsz + \ |
1da177e4 LT |
592 | decode_putrootfh_maxsz + \ |
593 | decode_getattr_maxsz + \ | |
594 | decode_getfh_maxsz) | |
595 | #define NFS4_enc_remove_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 596 | encode_sequence_maxsz + \ |
1da177e4 | 597 | encode_putfh_maxsz + \ |
16e42959 TM |
598 | encode_remove_maxsz + \ |
599 | encode_getattr_maxsz) | |
1da177e4 | 600 | #define NFS4_dec_remove_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 601 | decode_sequence_maxsz + \ |
1da177e4 | 602 | decode_putfh_maxsz + \ |
6ce18391 | 603 | decode_remove_maxsz + \ |
16e42959 | 604 | decode_getattr_maxsz) |
1da177e4 | 605 | #define NFS4_enc_rename_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 606 | encode_sequence_maxsz + \ |
1da177e4 LT |
607 | encode_putfh_maxsz + \ |
608 | encode_savefh_maxsz + \ | |
609 | encode_putfh_maxsz + \ | |
6caf2c82 TM |
610 | encode_rename_maxsz + \ |
611 | encode_getattr_maxsz + \ | |
612 | encode_restorefh_maxsz + \ | |
613 | encode_getattr_maxsz) | |
1da177e4 | 614 | #define NFS4_dec_rename_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 615 | decode_sequence_maxsz + \ |
1da177e4 LT |
616 | decode_putfh_maxsz + \ |
617 | decode_savefh_maxsz + \ | |
618 | decode_putfh_maxsz + \ | |
6caf2c82 TM |
619 | decode_rename_maxsz + \ |
620 | decode_getattr_maxsz + \ | |
621 | decode_restorefh_maxsz + \ | |
622 | decode_getattr_maxsz) | |
1da177e4 | 623 | #define NFS4_enc_link_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 624 | encode_sequence_maxsz + \ |
1da177e4 LT |
625 | encode_putfh_maxsz + \ |
626 | encode_savefh_maxsz + \ | |
627 | encode_putfh_maxsz + \ | |
91ba2eee TM |
628 | encode_link_maxsz + \ |
629 | decode_getattr_maxsz + \ | |
630 | encode_restorefh_maxsz + \ | |
631 | decode_getattr_maxsz) | |
1da177e4 | 632 | #define NFS4_dec_link_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 633 | decode_sequence_maxsz + \ |
1da177e4 LT |
634 | decode_putfh_maxsz + \ |
635 | decode_savefh_maxsz + \ | |
636 | decode_putfh_maxsz + \ | |
91ba2eee TM |
637 | decode_link_maxsz + \ |
638 | decode_getattr_maxsz + \ | |
639 | decode_restorefh_maxsz + \ | |
640 | decode_getattr_maxsz) | |
1da177e4 | 641 | #define NFS4_enc_symlink_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 642 | encode_sequence_maxsz + \ |
1da177e4 LT |
643 | encode_putfh_maxsz + \ |
644 | encode_symlink_maxsz + \ | |
645 | encode_getattr_maxsz + \ | |
646 | encode_getfh_maxsz) | |
647 | #define NFS4_dec_symlink_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 648 | decode_sequence_maxsz + \ |
1da177e4 LT |
649 | decode_putfh_maxsz + \ |
650 | decode_symlink_maxsz + \ | |
651 | decode_getattr_maxsz + \ | |
652 | decode_getfh_maxsz) | |
653 | #define NFS4_enc_create_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 654 | encode_sequence_maxsz + \ |
1da177e4 | 655 | encode_putfh_maxsz + \ |
56ae19f3 | 656 | encode_savefh_maxsz + \ |
1da177e4 | 657 | encode_create_maxsz + \ |
56ae19f3 | 658 | encode_getfh_maxsz + \ |
1da177e4 | 659 | encode_getattr_maxsz + \ |
56ae19f3 TM |
660 | encode_restorefh_maxsz + \ |
661 | encode_getattr_maxsz) | |
1da177e4 | 662 | #define NFS4_dec_create_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 663 | decode_sequence_maxsz + \ |
1da177e4 | 664 | decode_putfh_maxsz + \ |
56ae19f3 | 665 | decode_savefh_maxsz + \ |
1da177e4 | 666 | decode_create_maxsz + \ |
56ae19f3 | 667 | decode_getfh_maxsz + \ |
1da177e4 | 668 | decode_getattr_maxsz + \ |
56ae19f3 TM |
669 | decode_restorefh_maxsz + \ |
670 | decode_getattr_maxsz) | |
1da177e4 | 671 | #define NFS4_enc_pathconf_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 672 | encode_sequence_maxsz + \ |
1da177e4 LT |
673 | encode_putfh_maxsz + \ |
674 | encode_getattr_maxsz) | |
675 | #define NFS4_dec_pathconf_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 676 | decode_sequence_maxsz + \ |
1da177e4 LT |
677 | decode_putfh_maxsz + \ |
678 | decode_getattr_maxsz) | |
679 | #define NFS4_enc_statfs_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 680 | encode_sequence_maxsz + \ |
1da177e4 | 681 | encode_putfh_maxsz + \ |
9104a55d | 682 | encode_statfs_maxsz) |
1da177e4 | 683 | #define NFS4_dec_statfs_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 684 | decode_sequence_maxsz + \ |
1da177e4 | 685 | decode_putfh_maxsz + \ |
9104a55d | 686 | decode_statfs_maxsz) |
1da177e4 | 687 | #define NFS4_enc_server_caps_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 688 | encode_sequence_maxsz + \ |
ab91f264 | 689 | encode_putfh_maxsz + \ |
1da177e4 LT |
690 | encode_getattr_maxsz) |
691 | #define NFS4_dec_server_caps_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 692 | decode_sequence_maxsz + \ |
ab91f264 | 693 | decode_putfh_maxsz + \ |
1da177e4 LT |
694 | decode_getattr_maxsz) |
695 | #define NFS4_enc_delegreturn_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 696 | encode_sequence_maxsz + \ |
1da177e4 | 697 | encode_putfh_maxsz + \ |
fa178f29 TM |
698 | encode_delegreturn_maxsz + \ |
699 | encode_getattr_maxsz) | |
1da177e4 | 700 | #define NFS4_dec_delegreturn_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 701 | decode_sequence_maxsz + \ |
fa178f29 TM |
702 | decode_delegreturn_maxsz + \ |
703 | decode_getattr_maxsz) | |
029d105e | 704 | #define NFS4_enc_getacl_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 705 | encode_sequence_maxsz + \ |
029d105e | 706 | encode_putfh_maxsz + \ |
9104a55d | 707 | encode_getacl_maxsz) |
029d105e | 708 | #define NFS4_dec_getacl_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 709 | decode_sequence_maxsz + \ |
029d105e | 710 | decode_putfh_maxsz + \ |
9104a55d | 711 | decode_getacl_maxsz) |
23ec6965 | 712 | #define NFS4_enc_setacl_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 713 | encode_sequence_maxsz + \ |
23ec6965 | 714 | encode_putfh_maxsz + \ |
9104a55d | 715 | encode_setacl_maxsz) |
23ec6965 | 716 | #define NFS4_dec_setacl_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 717 | decode_sequence_maxsz + \ |
23ec6965 | 718 | decode_putfh_maxsz + \ |
9104a55d | 719 | decode_setacl_maxsz) |
683b57b4 TM |
720 | #define NFS4_enc_fs_locations_sz \ |
721 | (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 722 | encode_sequence_maxsz + \ |
683b57b4 | 723 | encode_putfh_maxsz + \ |
e6889620 TM |
724 | encode_lookup_maxsz + \ |
725 | encode_fs_locations_maxsz) | |
683b57b4 TM |
726 | #define NFS4_dec_fs_locations_sz \ |
727 | (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 728 | decode_sequence_maxsz + \ |
683b57b4 | 729 | decode_putfh_maxsz + \ |
e6889620 TM |
730 | decode_lookup_maxsz + \ |
731 | decode_fs_locations_maxsz) | |
5a5ea0d4 BS |
732 | #define NFS4_enc_secinfo_sz (compound_encode_hdr_maxsz + \ |
733 | encode_sequence_maxsz + \ | |
734 | encode_putfh_maxsz + \ | |
735 | encode_secinfo_maxsz) | |
736 | #define NFS4_dec_secinfo_sz (compound_decode_hdr_maxsz + \ | |
737 | decode_sequence_maxsz + \ | |
738 | decode_putfh_maxsz + \ | |
739 | decode_secinfo_maxsz) | |
99fe60d0 BH |
740 | #if defined(CONFIG_NFS_V4_1) |
741 | #define NFS4_enc_exchange_id_sz \ | |
742 | (compound_encode_hdr_maxsz + \ | |
743 | encode_exchange_id_maxsz) | |
744 | #define NFS4_dec_exchange_id_sz \ | |
745 | (compound_decode_hdr_maxsz + \ | |
746 | decode_exchange_id_maxsz) | |
fc931582 AA |
747 | #define NFS4_enc_create_session_sz \ |
748 | (compound_encode_hdr_maxsz + \ | |
749 | encode_create_session_maxsz) | |
750 | #define NFS4_dec_create_session_sz \ | |
751 | (compound_decode_hdr_maxsz + \ | |
752 | decode_create_session_maxsz) | |
0f3e66c6 AA |
753 | #define NFS4_enc_destroy_session_sz (compound_encode_hdr_maxsz + \ |
754 | encode_destroy_session_maxsz) | |
755 | #define NFS4_dec_destroy_session_sz (compound_decode_hdr_maxsz + \ | |
756 | decode_destroy_session_maxsz) | |
fc01cea9 AA |
757 | #define NFS4_enc_sequence_sz \ |
758 | (compound_decode_hdr_maxsz + \ | |
759 | encode_sequence_maxsz) | |
760 | #define NFS4_dec_sequence_sz \ | |
761 | (compound_decode_hdr_maxsz + \ | |
762 | decode_sequence_maxsz) | |
2050f0cc AA |
763 | #define NFS4_enc_get_lease_time_sz (compound_encode_hdr_maxsz + \ |
764 | encode_sequence_maxsz + \ | |
765 | encode_putrootfh_maxsz + \ | |
766 | encode_fsinfo_maxsz) | |
767 | #define NFS4_dec_get_lease_time_sz (compound_decode_hdr_maxsz + \ | |
768 | decode_sequence_maxsz + \ | |
769 | decode_putrootfh_maxsz + \ | |
770 | decode_fsinfo_maxsz) | |
18019753 RL |
771 | #define NFS4_enc_reclaim_complete_sz (compound_encode_hdr_maxsz + \ |
772 | encode_sequence_maxsz + \ | |
773 | encode_reclaim_complete_maxsz) | |
774 | #define NFS4_dec_reclaim_complete_sz (compound_decode_hdr_maxsz + \ | |
775 | decode_sequence_maxsz + \ | |
776 | decode_reclaim_complete_maxsz) | |
7f11d8d3 AA |
777 | #define NFS4_enc_getdevicelist_sz (compound_encode_hdr_maxsz + \ |
778 | encode_sequence_maxsz + \ | |
779 | encode_putfh_maxsz + \ | |
780 | encode_getdevicelist_maxsz) | |
781 | #define NFS4_dec_getdevicelist_sz (compound_decode_hdr_maxsz + \ | |
782 | decode_sequence_maxsz + \ | |
783 | decode_putfh_maxsz + \ | |
784 | decode_getdevicelist_maxsz) | |
b1f69b75 AA |
785 | #define NFS4_enc_getdeviceinfo_sz (compound_encode_hdr_maxsz + \ |
786 | encode_sequence_maxsz +\ | |
787 | encode_getdeviceinfo_maxsz) | |
788 | #define NFS4_dec_getdeviceinfo_sz (compound_decode_hdr_maxsz + \ | |
789 | decode_sequence_maxsz + \ | |
790 | decode_getdeviceinfo_maxsz) | |
791 | #define NFS4_enc_layoutget_sz (compound_encode_hdr_maxsz + \ | |
792 | encode_sequence_maxsz + \ | |
793 | encode_putfh_maxsz + \ | |
794 | encode_layoutget_maxsz) | |
795 | #define NFS4_dec_layoutget_sz (compound_decode_hdr_maxsz + \ | |
796 | decode_sequence_maxsz + \ | |
797 | decode_putfh_maxsz + \ | |
798 | decode_layoutget_maxsz) | |
863a3c6c AA |
799 | #define NFS4_enc_layoutcommit_sz (compound_encode_hdr_maxsz + \ |
800 | encode_sequence_maxsz +\ | |
801 | encode_putfh_maxsz + \ | |
802 | encode_layoutcommit_maxsz + \ | |
803 | encode_getattr_maxsz) | |
804 | #define NFS4_dec_layoutcommit_sz (compound_decode_hdr_maxsz + \ | |
805 | decode_sequence_maxsz + \ | |
806 | decode_putfh_maxsz + \ | |
807 | decode_layoutcommit_maxsz + \ | |
808 | decode_getattr_maxsz) | |
cbe82603 BH |
809 | #define NFS4_enc_layoutreturn_sz (compound_encode_hdr_maxsz + \ |
810 | encode_sequence_maxsz + \ | |
811 | encode_putfh_maxsz + \ | |
812 | encode_layoutreturn_maxsz) | |
813 | #define NFS4_dec_layoutreturn_sz (compound_decode_hdr_maxsz + \ | |
814 | decode_sequence_maxsz + \ | |
815 | decode_putfh_maxsz + \ | |
816 | decode_layoutreturn_maxsz) | |
fca78d6d BS |
817 | #define NFS4_enc_secinfo_no_name_sz (compound_encode_hdr_maxsz + \ |
818 | encode_sequence_maxsz + \ | |
819 | encode_putrootfh_maxsz +\ | |
820 | encode_secinfo_no_name_maxsz) | |
821 | #define NFS4_dec_secinfo_no_name_sz (compound_decode_hdr_maxsz + \ | |
822 | decode_sequence_maxsz + \ | |
823 | decode_putrootfh_maxsz + \ | |
824 | decode_secinfo_no_name_maxsz) | |
7d974794 BS |
825 | #define NFS4_enc_test_stateid_sz (compound_encode_hdr_maxsz + \ |
826 | encode_sequence_maxsz + \ | |
827 | encode_test_stateid_maxsz) | |
828 | #define NFS4_dec_test_stateid_sz (compound_decode_hdr_maxsz + \ | |
829 | decode_sequence_maxsz + \ | |
830 | decode_test_stateid_maxsz) | |
9aeda35f BS |
831 | #define NFS4_enc_free_stateid_sz (compound_encode_hdr_maxsz + \ |
832 | encode_sequence_maxsz + \ | |
833 | encode_free_stateid_maxsz) | |
834 | #define NFS4_dec_free_stateid_sz (compound_decode_hdr_maxsz + \ | |
835 | decode_sequence_maxsz + \ | |
836 | decode_free_stateid_maxsz) | |
2449ea2e AB |
837 | |
838 | const u32 nfs41_maxwrite_overhead = ((RPC_MAX_HEADER_WITH_AUTH + | |
839 | compound_encode_hdr_maxsz + | |
840 | encode_sequence_maxsz + | |
841 | encode_putfh_maxsz + | |
842 | encode_getattr_maxsz) * | |
843 | XDR_UNIT); | |
844 | ||
845 | const u32 nfs41_maxread_overhead = ((RPC_MAX_HEADER_WITH_AUTH + | |
846 | compound_decode_hdr_maxsz + | |
847 | decode_sequence_maxsz + | |
848 | decode_putfh_maxsz) * | |
849 | XDR_UNIT); | |
99fe60d0 | 850 | #endif /* CONFIG_NFS_V4_1 */ |
1da177e4 | 851 | |
db8ac8ba WAA |
852 | static unsigned short send_implementation_id = 1; |
853 | ||
854 | module_param(send_implementation_id, ushort, 0644); | |
855 | MODULE_PARM_DESC(send_implementation_id, | |
856 | "Send implementation ID with NFSv4.1 exchange_id"); | |
857 | ||
bca79478 TM |
858 | static const umode_t nfs_type2fmt[] = { |
859 | [NF4BAD] = 0, | |
860 | [NF4REG] = S_IFREG, | |
861 | [NF4DIR] = S_IFDIR, | |
862 | [NF4BLK] = S_IFBLK, | |
863 | [NF4CHR] = S_IFCHR, | |
864 | [NF4LNK] = S_IFLNK, | |
865 | [NF4SOCK] = S_IFSOCK, | |
866 | [NF4FIFO] = S_IFIFO, | |
867 | [NF4ATTRDIR] = 0, | |
868 | [NF4NAMEDATTR] = 0, | |
1da177e4 LT |
869 | }; |
870 | ||
871 | struct compound_hdr { | |
872 | int32_t status; | |
873 | uint32_t nops; | |
d017931c | 874 | __be32 * nops_p; |
1da177e4 LT |
875 | uint32_t taglen; |
876 | char * tag; | |
0c4e8c18 | 877 | uint32_t replen; /* expected reply words */ |
66cc0429 | 878 | u32 minorversion; |
1da177e4 LT |
879 | }; |
880 | ||
13c65ce9 BH |
881 | static __be32 *reserve_space(struct xdr_stream *xdr, size_t nbytes) |
882 | { | |
883 | __be32 *p = xdr_reserve_space(xdr, nbytes); | |
884 | BUG_ON(!p); | |
885 | return p; | |
886 | } | |
1da177e4 | 887 | |
cb17e556 TM |
888 | static void encode_opaque_fixed(struct xdr_stream *xdr, const void *buf, size_t len) |
889 | { | |
890 | __be32 *p; | |
891 | ||
892 | p = xdr_reserve_space(xdr, len); | |
893 | xdr_encode_opaque_fixed(p, buf, len); | |
894 | } | |
895 | ||
1da177e4 LT |
896 | static void encode_string(struct xdr_stream *xdr, unsigned int len, const char *str) |
897 | { | |
8687b63a | 898 | __be32 *p; |
1da177e4 | 899 | |
6fdfb0bc | 900 | p = reserve_space(xdr, 4 + len); |
1da177e4 LT |
901 | xdr_encode_opaque(p, str, len); |
902 | } | |
903 | ||
4ade9821 TM |
904 | static void encode_uint32(struct xdr_stream *xdr, u32 n) |
905 | { | |
906 | __be32 *p; | |
907 | ||
908 | p = reserve_space(xdr, 4); | |
909 | *p = cpu_to_be32(n); | |
910 | } | |
911 | ||
912 | static void encode_nfs4_seqid(struct xdr_stream *xdr, | |
913 | const struct nfs_seqid *seqid) | |
914 | { | |
915 | encode_uint32(xdr, seqid->sequence->counter); | |
916 | } | |
917 | ||
0c4e8c18 BH |
918 | static void encode_compound_hdr(struct xdr_stream *xdr, |
919 | struct rpc_rqst *req, | |
920 | struct compound_hdr *hdr) | |
1da177e4 | 921 | { |
8687b63a | 922 | __be32 *p; |
a17c2153 | 923 | struct rpc_auth *auth = req->rq_cred->cr_auth; |
0c4e8c18 BH |
924 | |
925 | /* initialize running count of expected bytes in reply. | |
926 | * NOTE: the replied tag SHOULD be the same is the one sent, | |
927 | * but this is not required as a MUST for the server to do so. */ | |
928 | hdr->replen = RPC_REPHDRSIZE + auth->au_rslack + 3 + hdr->taglen; | |
1da177e4 | 929 | |
1da177e4 | 930 | BUG_ON(hdr->taglen > NFS4_MAXTAGLEN); |
6fdfb0bc TM |
931 | encode_string(xdr, hdr->taglen, hdr->tag); |
932 | p = reserve_space(xdr, 8); | |
e75bc1c8 | 933 | *p++ = cpu_to_be32(hdr->minorversion); |
d017931c | 934 | hdr->nops_p = p; |
34558513 | 935 | *p = cpu_to_be32(hdr->nops); |
d017931c AA |
936 | } |
937 | ||
ab19b481 TM |
938 | static void encode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 op, |
939 | uint32_t replen, | |
940 | struct compound_hdr *hdr) | |
941 | { | |
942 | encode_uint32(xdr, op); | |
943 | hdr->nops++; | |
944 | hdr->replen += replen; | |
945 | } | |
946 | ||
d017931c AA |
947 | static void encode_nops(struct compound_hdr *hdr) |
948 | { | |
fc931582 | 949 | BUG_ON(hdr->nops > NFS4_MAX_OPS); |
d017931c | 950 | *hdr->nops_p = htonl(hdr->nops); |
1da177e4 LT |
951 | } |
952 | ||
ea9d23f5 TM |
953 | static void encode_nfs4_stateid(struct xdr_stream *xdr, const nfs4_stateid *stateid) |
954 | { | |
2d2f24ad | 955 | encode_opaque_fixed(xdr, stateid, NFS4_STATEID_SIZE); |
ea9d23f5 TM |
956 | } |
957 | ||
1da177e4 LT |
958 | static void encode_nfs4_verifier(struct xdr_stream *xdr, const nfs4_verifier *verf) |
959 | { | |
cb17e556 | 960 | encode_opaque_fixed(xdr, verf->data, NFS4_VERIFIER_SIZE); |
1da177e4 LT |
961 | } |
962 | ||
cf8cdbe5 | 963 | static void encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const struct nfs_server *server) |
1da177e4 LT |
964 | { |
965 | char owner_name[IDMAP_NAMESZ]; | |
966 | char owner_group[IDMAP_NAMESZ]; | |
967 | int owner_namelen = 0; | |
968 | int owner_grouplen = 0; | |
8687b63a AV |
969 | __be32 *p; |
970 | __be32 *q; | |
1da177e4 LT |
971 | int len; |
972 | uint32_t bmval0 = 0; | |
973 | uint32_t bmval1 = 0; | |
1da177e4 LT |
974 | |
975 | /* | |
976 | * We reserve enough space to write the entire attribute buffer at once. | |
977 | * In the worst-case, this would be | |
978 | * 12(bitmap) + 4(attrlen) + 8(size) + 4(mode) + 4(atime) + 4(mtime) | |
979 | * = 36 bytes, plus any contribution from variable-length fields | |
23ec6965 | 980 | * such as owner/group. |
1da177e4 LT |
981 | */ |
982 | len = 16; | |
983 | ||
984 | /* Sigh */ | |
985 | if (iap->ia_valid & ATTR_SIZE) | |
986 | len += 8; | |
987 | if (iap->ia_valid & ATTR_MODE) | |
988 | len += 4; | |
989 | if (iap->ia_valid & ATTR_UID) { | |
e4fd72a1 | 990 | owner_namelen = nfs_map_uid_to_name(server, iap->ia_uid, owner_name, IDMAP_NAMESZ); |
1da177e4 | 991 | if (owner_namelen < 0) { |
fe82a183 CL |
992 | dprintk("nfs: couldn't resolve uid %d to string\n", |
993 | iap->ia_uid); | |
1da177e4 LT |
994 | /* XXX */ |
995 | strcpy(owner_name, "nobody"); | |
996 | owner_namelen = sizeof("nobody") - 1; | |
997 | /* goto out; */ | |
998 | } | |
999 | len += 4 + (XDR_QUADLEN(owner_namelen) << 2); | |
1000 | } | |
1001 | if (iap->ia_valid & ATTR_GID) { | |
e4fd72a1 | 1002 | owner_grouplen = nfs_map_gid_to_group(server, iap->ia_gid, owner_group, IDMAP_NAMESZ); |
1da177e4 | 1003 | if (owner_grouplen < 0) { |
fe82a183 CL |
1004 | dprintk("nfs: couldn't resolve gid %d to string\n", |
1005 | iap->ia_gid); | |
1da177e4 LT |
1006 | strcpy(owner_group, "nobody"); |
1007 | owner_grouplen = sizeof("nobody") - 1; | |
1008 | /* goto out; */ | |
1009 | } | |
1010 | len += 4 + (XDR_QUADLEN(owner_grouplen) << 2); | |
1011 | } | |
1012 | if (iap->ia_valid & ATTR_ATIME_SET) | |
1013 | len += 16; | |
1014 | else if (iap->ia_valid & ATTR_ATIME) | |
1015 | len += 4; | |
1016 | if (iap->ia_valid & ATTR_MTIME_SET) | |
1017 | len += 16; | |
1018 | else if (iap->ia_valid & ATTR_MTIME) | |
1019 | len += 4; | |
13c65ce9 | 1020 | p = reserve_space(xdr, len); |
1da177e4 LT |
1021 | |
1022 | /* | |
1023 | * We write the bitmap length now, but leave the bitmap and the attribute | |
1024 | * buffer length to be backfilled at the end of this routine. | |
1025 | */ | |
e75bc1c8 | 1026 | *p++ = cpu_to_be32(2); |
1da177e4 LT |
1027 | q = p; |
1028 | p += 3; | |
1029 | ||
1030 | if (iap->ia_valid & ATTR_SIZE) { | |
1031 | bmval0 |= FATTR4_WORD0_SIZE; | |
b95be5a9 | 1032 | p = xdr_encode_hyper(p, iap->ia_size); |
1da177e4 LT |
1033 | } |
1034 | if (iap->ia_valid & ATTR_MODE) { | |
1035 | bmval1 |= FATTR4_WORD1_MODE; | |
e75bc1c8 | 1036 | *p++ = cpu_to_be32(iap->ia_mode & S_IALLUGO); |
1da177e4 LT |
1037 | } |
1038 | if (iap->ia_valid & ATTR_UID) { | |
1039 | bmval1 |= FATTR4_WORD1_OWNER; | |
811652bd | 1040 | p = xdr_encode_opaque(p, owner_name, owner_namelen); |
1da177e4 LT |
1041 | } |
1042 | if (iap->ia_valid & ATTR_GID) { | |
1043 | bmval1 |= FATTR4_WORD1_OWNER_GROUP; | |
811652bd | 1044 | p = xdr_encode_opaque(p, owner_group, owner_grouplen); |
1da177e4 LT |
1045 | } |
1046 | if (iap->ia_valid & ATTR_ATIME_SET) { | |
1047 | bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET; | |
e75bc1c8 BH |
1048 | *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); |
1049 | *p++ = cpu_to_be32(0); | |
d3f6baaa TM |
1050 | *p++ = cpu_to_be32(iap->ia_atime.tv_sec); |
1051 | *p++ = cpu_to_be32(iap->ia_atime.tv_nsec); | |
1da177e4 LT |
1052 | } |
1053 | else if (iap->ia_valid & ATTR_ATIME) { | |
1054 | bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET; | |
e75bc1c8 | 1055 | *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); |
1da177e4 LT |
1056 | } |
1057 | if (iap->ia_valid & ATTR_MTIME_SET) { | |
1058 | bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET; | |
e75bc1c8 BH |
1059 | *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); |
1060 | *p++ = cpu_to_be32(0); | |
1061 | *p++ = cpu_to_be32(iap->ia_mtime.tv_sec); | |
1062 | *p++ = cpu_to_be32(iap->ia_mtime.tv_nsec); | |
1da177e4 LT |
1063 | } |
1064 | else if (iap->ia_valid & ATTR_MTIME) { | |
1065 | bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET; | |
e75bc1c8 | 1066 | *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); |
1da177e4 | 1067 | } |
6c0195a4 | 1068 | |
1da177e4 LT |
1069 | /* |
1070 | * Now we backfill the bitmap and the attribute buffer length. | |
1071 | */ | |
1072 | if (len != ((char *)p - (char *)q) + 4) { | |
f9fd2d9c | 1073 | printk(KERN_ERR "NFS: Attr length error, %u != %Zu\n", |
1da177e4 LT |
1074 | len, ((char *)p - (char *)q) + 4); |
1075 | BUG(); | |
1076 | } | |
1077 | len = (char *)p - (char *)q - 12; | |
1078 | *q++ = htonl(bmval0); | |
1079 | *q++ = htonl(bmval1); | |
34558513 | 1080 | *q = htonl(len); |
1da177e4 | 1081 | |
1da177e4 | 1082 | /* out: */ |
1da177e4 LT |
1083 | } |
1084 | ||
cf8cdbe5 | 1085 | static void encode_access(struct xdr_stream *xdr, u32 access, struct compound_hdr *hdr) |
1da177e4 | 1086 | { |
8687b63a | 1087 | __be32 *p; |
1da177e4 | 1088 | |
13c65ce9 | 1089 | p = reserve_space(xdr, 8); |
e75bc1c8 | 1090 | *p++ = cpu_to_be32(OP_ACCESS); |
34558513 | 1091 | *p = cpu_to_be32(access); |
d017931c | 1092 | hdr->nops++; |
dadf0c27 | 1093 | hdr->replen += decode_access_maxsz; |
1da177e4 LT |
1094 | } |
1095 | ||
cf8cdbe5 | 1096 | static void encode_close(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1097 | { |
ab19b481 | 1098 | encode_op_hdr(xdr, OP_CLOSE, decode_close_maxsz, hdr); |
4ade9821 | 1099 | encode_nfs4_seqid(xdr, arg->seqid); |
ea9d23f5 | 1100 | encode_nfs4_stateid(xdr, arg->stateid); |
1da177e4 LT |
1101 | } |
1102 | ||
cf8cdbe5 | 1103 | static void encode_commit(struct xdr_stream *xdr, const struct nfs_writeargs *args, struct compound_hdr *hdr) |
1da177e4 | 1104 | { |
8687b63a | 1105 | __be32 *p; |
6c0195a4 | 1106 | |
13c65ce9 | 1107 | p = reserve_space(xdr, 16); |
e75bc1c8 | 1108 | *p++ = cpu_to_be32(OP_COMMIT); |
b95be5a9 | 1109 | p = xdr_encode_hyper(p, args->offset); |
34558513 | 1110 | *p = cpu_to_be32(args->count); |
d017931c | 1111 | hdr->nops++; |
dadf0c27 | 1112 | hdr->replen += decode_commit_maxsz; |
1da177e4 LT |
1113 | } |
1114 | ||
cf8cdbe5 | 1115 | static void encode_create(struct xdr_stream *xdr, const struct nfs4_create_arg *create, struct compound_hdr *hdr) |
1da177e4 | 1116 | { |
8687b63a | 1117 | __be32 *p; |
6c0195a4 | 1118 | |
13c65ce9 | 1119 | p = reserve_space(xdr, 8); |
e75bc1c8 | 1120 | *p++ = cpu_to_be32(OP_CREATE); |
34558513 | 1121 | *p = cpu_to_be32(create->ftype); |
1da177e4 LT |
1122 | |
1123 | switch (create->ftype) { | |
1124 | case NF4LNK: | |
13c65ce9 | 1125 | p = reserve_space(xdr, 4); |
34558513 | 1126 | *p = cpu_to_be32(create->u.symlink.len); |
94a6d753 | 1127 | xdr_write_pages(xdr, create->u.symlink.pages, 0, create->u.symlink.len); |
1da177e4 LT |
1128 | break; |
1129 | ||
1130 | case NF4BLK: case NF4CHR: | |
13c65ce9 | 1131 | p = reserve_space(xdr, 8); |
e75bc1c8 | 1132 | *p++ = cpu_to_be32(create->u.device.specdata1); |
34558513 | 1133 | *p = cpu_to_be32(create->u.device.specdata2); |
1da177e4 LT |
1134 | break; |
1135 | ||
1136 | default: | |
1137 | break; | |
1138 | } | |
1139 | ||
811652bd | 1140 | encode_string(xdr, create->name->len, create->name->name); |
d017931c | 1141 | hdr->nops++; |
dadf0c27 | 1142 | hdr->replen += decode_create_maxsz; |
1da177e4 | 1143 | |
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 | |
13c65ce9 | 1151 | p = reserve_space(xdr, 12); |
e75bc1c8 BH |
1152 | *p++ = cpu_to_be32(OP_GETATTR); |
1153 | *p++ = cpu_to_be32(1); | |
34558513 | 1154 | *p = cpu_to_be32(bitmap); |
d017931c | 1155 | hdr->nops++; |
dadf0c27 | 1156 | hdr->replen += decode_getattr_maxsz; |
1da177e4 LT |
1157 | } |
1158 | ||
cf8cdbe5 | 1159 | static void encode_getattr_two(struct xdr_stream *xdr, uint32_t bm0, uint32_t bm1, struct compound_hdr *hdr) |
1da177e4 | 1160 | { |
05d564fe | 1161 | __be32 *p; |
1da177e4 | 1162 | |
13c65ce9 | 1163 | p = reserve_space(xdr, 16); |
e75bc1c8 BH |
1164 | *p++ = cpu_to_be32(OP_GETATTR); |
1165 | *p++ = cpu_to_be32(2); | |
1166 | *p++ = cpu_to_be32(bm0); | |
34558513 | 1167 | *p = cpu_to_be32(bm1); |
d017931c | 1168 | hdr->nops++; |
dadf0c27 | 1169 | hdr->replen += decode_getattr_maxsz; |
1da177e4 LT |
1170 | } |
1171 | ||
dae100c2 FI |
1172 | static void |
1173 | encode_getattr_three(struct xdr_stream *xdr, | |
1174 | uint32_t bm0, uint32_t bm1, uint32_t bm2, | |
1175 | struct compound_hdr *hdr) | |
1176 | { | |
1177 | __be32 *p; | |
1178 | ||
ab19b481 | 1179 | encode_op_hdr(xdr, OP_GETATTR, decode_getattr_maxsz, hdr); |
dae100c2 FI |
1180 | if (bm2) { |
1181 | p = reserve_space(xdr, 16); | |
1182 | *p++ = cpu_to_be32(3); | |
1183 | *p++ = cpu_to_be32(bm0); | |
1184 | *p++ = cpu_to_be32(bm1); | |
1185 | *p = cpu_to_be32(bm2); | |
1186 | } else if (bm1) { | |
1187 | p = reserve_space(xdr, 12); | |
1188 | *p++ = cpu_to_be32(2); | |
1189 | *p++ = cpu_to_be32(bm0); | |
1190 | *p = cpu_to_be32(bm1); | |
1191 | } else { | |
1192 | p = reserve_space(xdr, 8); | |
1193 | *p++ = cpu_to_be32(1); | |
1194 | *p = cpu_to_be32(bm0); | |
1195 | } | |
dae100c2 FI |
1196 | } |
1197 | ||
cf8cdbe5 | 1198 | static void encode_getfattr(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
1da177e4 | 1199 | { |
cf8cdbe5 AA |
1200 | encode_getattr_two(xdr, bitmask[0] & nfs4_fattr_bitmap[0], |
1201 | bitmask[1] & nfs4_fattr_bitmap[1], hdr); | |
1da177e4 LT |
1202 | } |
1203 | ||
cf8cdbe5 | 1204 | static void encode_fsinfo(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
1da177e4 | 1205 | { |
dae100c2 FI |
1206 | encode_getattr_three(xdr, |
1207 | bitmask[0] & nfs4_fsinfo_bitmap[0], | |
1208 | bitmask[1] & nfs4_fsinfo_bitmap[1], | |
1209 | bitmask[2] & nfs4_fsinfo_bitmap[2], | |
1210 | hdr); | |
1da177e4 LT |
1211 | } |
1212 | ||
cf8cdbe5 | 1213 | static void encode_fs_locations(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
830b8e33 | 1214 | { |
cf8cdbe5 AA |
1215 | encode_getattr_two(xdr, bitmask[0] & nfs4_fs_locations_bitmap[0], |
1216 | bitmask[1] & nfs4_fs_locations_bitmap[1], hdr); | |
830b8e33 MN |
1217 | } |
1218 | ||
cf8cdbe5 | 1219 | static void encode_getfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1220 | { |
ab19b481 | 1221 | encode_op_hdr(xdr, OP_GETFH, decode_getfh_maxsz, hdr); |
1da177e4 LT |
1222 | } |
1223 | ||
cf8cdbe5 | 1224 | static void encode_link(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1225 | { |
ab19b481 | 1226 | encode_op_hdr(xdr, OP_LINK, decode_link_maxsz, hdr); |
6fdfb0bc | 1227 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1228 | } |
1229 | ||
911d1aaf TM |
1230 | static inline int nfs4_lock_type(struct file_lock *fl, int block) |
1231 | { | |
1232 | if ((fl->fl_type & (F_RDLCK|F_WRLCK|F_UNLCK)) == F_RDLCK) | |
1233 | return block ? NFS4_READW_LT : NFS4_READ_LT; | |
1234 | return block ? NFS4_WRITEW_LT : NFS4_WRITE_LT; | |
1235 | } | |
1236 | ||
1237 | static inline uint64_t nfs4_lock_length(struct file_lock *fl) | |
1238 | { | |
1239 | if (fl->fl_end == OFFSET_MAX) | |
1240 | return ~(uint64_t)0; | |
1241 | return fl->fl_end - fl->fl_start + 1; | |
1242 | } | |
1243 | ||
daccbded TM |
1244 | static void encode_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner) |
1245 | { | |
1246 | __be32 *p; | |
1247 | ||
d035c36c | 1248 | p = reserve_space(xdr, 32); |
daccbded | 1249 | p = xdr_encode_hyper(p, lowner->clientid); |
d035c36c | 1250 | *p++ = cpu_to_be32(20); |
daccbded | 1251 | p = xdr_encode_opaque_fixed(p, "lock id:", 8); |
d035c36c | 1252 | *p++ = cpu_to_be32(lowner->s_dev); |
daccbded TM |
1253 | xdr_encode_hyper(p, lowner->id); |
1254 | } | |
1255 | ||
1da177e4 LT |
1256 | /* |
1257 | * opcode,type,reclaim,offset,length,new_lock_owner = 32 | |
1258 | * open_seqid,open_stateid,lock_seqid,lock_owner.clientid, lock_owner.id = 40 | |
1259 | */ | |
cf8cdbe5 | 1260 | static void encode_lock(struct xdr_stream *xdr, const struct nfs_lock_args *args, struct compound_hdr *hdr) |
1da177e4 | 1261 | { |
8687b63a | 1262 | __be32 *p; |
1da177e4 | 1263 | |
13c65ce9 | 1264 | p = reserve_space(xdr, 32); |
e75bc1c8 BH |
1265 | *p++ = cpu_to_be32(OP_LOCK); |
1266 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, args->block)); | |
1267 | *p++ = cpu_to_be32(args->reclaim); | |
b95be5a9 BH |
1268 | p = xdr_encode_hyper(p, args->fl->fl_start); |
1269 | p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); | |
34558513 | 1270 | *p = cpu_to_be32(args->new_lock_owner); |
911d1aaf | 1271 | if (args->new_lock_owner){ |
4ade9821 | 1272 | encode_nfs4_seqid(xdr, args->open_seqid); |
ea9d23f5 | 1273 | encode_nfs4_stateid(xdr, args->open_stateid); |
4ade9821 | 1274 | encode_nfs4_seqid(xdr, args->lock_seqid); |
daccbded | 1275 | encode_lockowner(xdr, &args->lock_owner); |
1da177e4 LT |
1276 | } |
1277 | else { | |
ea9d23f5 | 1278 | encode_nfs4_stateid(xdr, args->lock_stateid); |
4ade9821 | 1279 | encode_nfs4_seqid(xdr, args->lock_seqid); |
1da177e4 | 1280 | } |
d017931c | 1281 | hdr->nops++; |
dadf0c27 | 1282 | hdr->replen += decode_lock_maxsz; |
1da177e4 LT |
1283 | } |
1284 | ||
cf8cdbe5 | 1285 | static void encode_lockt(struct xdr_stream *xdr, const struct nfs_lockt_args *args, struct compound_hdr *hdr) |
1da177e4 | 1286 | { |
8687b63a | 1287 | __be32 *p; |
1da177e4 | 1288 | |
daccbded | 1289 | p = reserve_space(xdr, 24); |
e75bc1c8 BH |
1290 | *p++ = cpu_to_be32(OP_LOCKT); |
1291 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, 0)); | |
b95be5a9 BH |
1292 | p = xdr_encode_hyper(p, args->fl->fl_start); |
1293 | p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); | |
daccbded | 1294 | encode_lockowner(xdr, &args->lock_owner); |
d017931c | 1295 | hdr->nops++; |
dadf0c27 | 1296 | hdr->replen += decode_lockt_maxsz; |
1da177e4 LT |
1297 | } |
1298 | ||
cf8cdbe5 | 1299 | static void encode_locku(struct xdr_stream *xdr, const struct nfs_locku_args *args, struct compound_hdr *hdr) |
1da177e4 | 1300 | { |
8687b63a | 1301 | __be32 *p; |
1da177e4 | 1302 | |
4ade9821 | 1303 | p = reserve_space(xdr, 8); |
e75bc1c8 | 1304 | *p++ = cpu_to_be32(OP_LOCKU); |
4ade9821 TM |
1305 | *p = cpu_to_be32(nfs4_lock_type(args->fl, 0)); |
1306 | encode_nfs4_seqid(xdr, args->seqid); | |
ea9d23f5 TM |
1307 | encode_nfs4_stateid(xdr, args->stateid); |
1308 | p = reserve_space(xdr, 16); | |
b95be5a9 | 1309 | p = xdr_encode_hyper(p, args->fl->fl_start); |
34558513 | 1310 | xdr_encode_hyper(p, nfs4_lock_length(args->fl)); |
d017931c | 1311 | hdr->nops++; |
dadf0c27 | 1312 | hdr->replen += decode_locku_maxsz; |
1da177e4 LT |
1313 | } |
1314 | ||
d3c7b7cc TM |
1315 | static void encode_release_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner, struct compound_hdr *hdr) |
1316 | { | |
ab19b481 | 1317 | encode_op_hdr(xdr, OP_RELEASE_LOCKOWNER, decode_release_lockowner_maxsz, hdr); |
d3c7b7cc | 1318 | encode_lockowner(xdr, lowner); |
d3c7b7cc TM |
1319 | } |
1320 | ||
cf8cdbe5 | 1321 | static void encode_lookup(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1322 | { |
ab19b481 | 1323 | encode_op_hdr(xdr, OP_LOOKUP, decode_lookup_maxsz, hdr); |
6fdfb0bc | 1324 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1325 | } |
1326 | ||
dc0b027d | 1327 | static void encode_share_access(struct xdr_stream *xdr, fmode_t fmode) |
1da177e4 | 1328 | { |
8687b63a | 1329 | __be32 *p; |
1da177e4 | 1330 | |
13c65ce9 | 1331 | p = reserve_space(xdr, 8); |
dc0b027d | 1332 | switch (fmode & (FMODE_READ|FMODE_WRITE)) { |
05d564fe | 1333 | case FMODE_READ: |
e75bc1c8 | 1334 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_READ); |
05d564fe AA |
1335 | break; |
1336 | case FMODE_WRITE: | |
e75bc1c8 | 1337 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_WRITE); |
05d564fe AA |
1338 | break; |
1339 | case FMODE_READ|FMODE_WRITE: | |
e75bc1c8 | 1340 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_BOTH); |
05d564fe AA |
1341 | break; |
1342 | default: | |
e75bc1c8 | 1343 | *p++ = cpu_to_be32(0); |
1da177e4 | 1344 | } |
34558513 | 1345 | *p = cpu_to_be32(0); /* for linux, share_deny = 0 always */ |
1da177e4 LT |
1346 | } |
1347 | ||
1348 | static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1349 | { | |
8687b63a | 1350 | __be32 *p; |
1da177e4 LT |
1351 | /* |
1352 | * opcode 4, seqid 4, share_access 4, share_deny 4, clientid 8, ownerlen 4, | |
1353 | * owner 4 = 32 | |
1354 | */ | |
4ade9821 | 1355 | encode_nfs4_seqid(xdr, arg->seqid); |
dc0b027d | 1356 | encode_share_access(xdr, arg->fmode); |
d035c36c | 1357 | p = reserve_space(xdr, 32); |
b95be5a9 | 1358 | p = xdr_encode_hyper(p, arg->clientid); |
d035c36c | 1359 | *p++ = cpu_to_be32(20); |
93f0cf25 | 1360 | p = xdr_encode_opaque_fixed(p, "open id:", 8); |
d035c36c | 1361 | *p++ = cpu_to_be32(arg->server->s_dev); |
34558513 | 1362 | xdr_encode_hyper(p, arg->id); |
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 | ||
d0b496d2 | 1508 | static void encode_open_stateid(struct xdr_stream *xdr, const struct nfs_open_context *ctx, const struct nfs_lock_context *l_ctx, int zero_seqid) |
1da177e4 | 1509 | { |
1da177e4 | 1510 | nfs4_stateid stateid; |
1da177e4 | 1511 | |
1da177e4 | 1512 | if (ctx->state != NULL) { |
1e3987c3 | 1513 | nfs4_select_rw_stateid(&stateid, ctx->state, l_ctx->lockowner, l_ctx->pid); |
89d1ea65 | 1514 | if (zero_seqid) |
2d2f24ad | 1515 | stateid.seqid = 0; |
ea9d23f5 | 1516 | encode_nfs4_stateid(xdr, &stateid); |
1da177e4 | 1517 | } else |
ea9d23f5 | 1518 | encode_nfs4_stateid(xdr, &zero_stateid); |
1da177e4 LT |
1519 | } |
1520 | ||
cf8cdbe5 | 1521 | static void encode_read(struct xdr_stream *xdr, const struct nfs_readargs *args, struct compound_hdr *hdr) |
1da177e4 | 1522 | { |
8687b63a | 1523 | __be32 *p; |
1da177e4 | 1524 | |
ab19b481 | 1525 | encode_op_hdr(xdr, OP_READ, decode_read_maxsz, hdr); |
d0b496d2 | 1526 | encode_open_stateid(xdr, args->context, args->lock_context, |
89d1ea65 | 1527 | hdr->minorversion); |
1da177e4 | 1528 | |
13c65ce9 | 1529 | p = reserve_space(xdr, 12); |
b95be5a9 | 1530 | p = xdr_encode_hyper(p, args->offset); |
34558513 | 1531 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1532 | } |
1533 | ||
cf8cdbe5 | 1534 | static void encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg *readdir, struct rpc_rqst *req, struct compound_hdr *hdr) |
1da177e4 | 1535 | { |
28331a46 TM |
1536 | uint32_t attrs[2] = { |
1537 | FATTR4_WORD0_RDATTR_ERROR, | |
1538 | FATTR4_WORD1_MOUNTED_ON_FILEID, | |
1539 | }; | |
6f7a35bd | 1540 | uint32_t dircount = readdir->count >> 1; |
cd93710e | 1541 | __be32 *p, verf[2]; |
1da177e4 | 1542 | |
82f2e547 BS |
1543 | if (readdir->plus) { |
1544 | attrs[0] |= FATTR4_WORD0_TYPE|FATTR4_WORD0_CHANGE|FATTR4_WORD0_SIZE| | |
28331a46 | 1545 | FATTR4_WORD0_FSID|FATTR4_WORD0_FILEHANDLE|FATTR4_WORD0_FILEID; |
82f2e547 BS |
1546 | attrs[1] |= FATTR4_WORD1_MODE|FATTR4_WORD1_NUMLINKS|FATTR4_WORD1_OWNER| |
1547 | FATTR4_WORD1_OWNER_GROUP|FATTR4_WORD1_RAWDEV| | |
1548 | FATTR4_WORD1_SPACE_USED|FATTR4_WORD1_TIME_ACCESS| | |
1549 | FATTR4_WORD1_TIME_METADATA|FATTR4_WORD1_TIME_MODIFY; | |
6f7a35bd | 1550 | dircount >>= 1; |
82f2e547 | 1551 | } |
28331a46 TM |
1552 | /* Use mounted_on_fileid only if the server supports it */ |
1553 | if (!(readdir->bitmask[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) | |
1554 | attrs[0] |= FATTR4_WORD0_FILEID; | |
82f2e547 | 1555 | |
cd93710e | 1556 | p = reserve_space(xdr, 12); |
e75bc1c8 | 1557 | *p++ = cpu_to_be32(OP_READDIR); |
b95be5a9 | 1558 | p = xdr_encode_hyper(p, readdir->cookie); |
cd93710e CL |
1559 | encode_nfs4_verifier(xdr, &readdir->verifier); |
1560 | p = reserve_space(xdr, 20); | |
6f7a35bd | 1561 | *p++ = cpu_to_be32(dircount); |
e75bc1c8 BH |
1562 | *p++ = cpu_to_be32(readdir->count); |
1563 | *p++ = cpu_to_be32(2); | |
82f2e547 | 1564 | |
e75bc1c8 | 1565 | *p++ = cpu_to_be32(attrs[0] & readdir->bitmask[0]); |
34558513 | 1566 | *p = cpu_to_be32(attrs[1] & readdir->bitmask[1]); |
d017931c | 1567 | hdr->nops++; |
dadf0c27 | 1568 | hdr->replen += decode_readdir_maxsz; |
cd93710e | 1569 | memcpy(verf, readdir->verifier.data, sizeof(verf)); |
44109241 FI |
1570 | dprintk("%s: cookie = %Lu, verifier = %08x:%08x, bitmap = %08x:%08x\n", |
1571 | __func__, | |
eadf4598 | 1572 | (unsigned long long)readdir->cookie, |
cd93710e | 1573 | verf[0], verf[1], |
eadf4598 TM |
1574 | attrs[0] & readdir->bitmask[0], |
1575 | attrs[1] & readdir->bitmask[1]); | |
1da177e4 LT |
1576 | } |
1577 | ||
cf8cdbe5 | 1578 | static void encode_readlink(struct xdr_stream *xdr, const struct nfs4_readlink *readlink, struct rpc_rqst *req, struct compound_hdr *hdr) |
1da177e4 | 1579 | { |
ab19b481 | 1580 | encode_op_hdr(xdr, OP_READLINK, decode_readlink_maxsz, hdr); |
1da177e4 LT |
1581 | } |
1582 | ||
cf8cdbe5 | 1583 | static void encode_remove(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1584 | { |
ab19b481 | 1585 | encode_op_hdr(xdr, OP_REMOVE, decode_remove_maxsz, hdr); |
6fdfb0bc | 1586 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1587 | } |
1588 | ||
cf8cdbe5 | 1589 | static void encode_rename(struct xdr_stream *xdr, const struct qstr *oldname, const struct qstr *newname, struct compound_hdr *hdr) |
1da177e4 | 1590 | { |
ab19b481 | 1591 | encode_op_hdr(xdr, OP_RENAME, decode_rename_maxsz, hdr); |
811652bd BH |
1592 | encode_string(xdr, oldname->len, oldname->name); |
1593 | encode_string(xdr, newname->len, newname->name); | |
1da177e4 LT |
1594 | } |
1595 | ||
bb4dae5e CL |
1596 | static void encode_renew(struct xdr_stream *xdr, clientid4 clid, |
1597 | struct compound_hdr *hdr) | |
1da177e4 | 1598 | { |
8687b63a | 1599 | __be32 *p; |
1da177e4 | 1600 | |
13c65ce9 | 1601 | p = reserve_space(xdr, 12); |
e75bc1c8 | 1602 | *p++ = cpu_to_be32(OP_RENEW); |
bb4dae5e | 1603 | xdr_encode_hyper(p, clid); |
d017931c | 1604 | hdr->nops++; |
dadf0c27 | 1605 | hdr->replen += decode_renew_maxsz; |
1da177e4 LT |
1606 | } |
1607 | ||
cf8cdbe5 | 1608 | static void |
d017931c | 1609 | encode_restorefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
56ae19f3 | 1610 | { |
ab19b481 | 1611 | encode_op_hdr(xdr, OP_RESTOREFH, decode_restorefh_maxsz, hdr); |
56ae19f3 TM |
1612 | } |
1613 | ||
9f06c719 | 1614 | static void |
d017931c | 1615 | encode_setacl(struct xdr_stream *xdr, struct nfs_setaclargs *arg, struct compound_hdr *hdr) |
23ec6965 | 1616 | { |
8687b63a | 1617 | __be32 *p; |
23ec6965 | 1618 | |
ab19b481 | 1619 | encode_op_hdr(xdr, OP_SETATTR, decode_setacl_maxsz, hdr); |
ea9d23f5 | 1620 | encode_nfs4_stateid(xdr, &zero_stateid); |
13c65ce9 | 1621 | p = reserve_space(xdr, 2*4); |
e75bc1c8 | 1622 | *p++ = cpu_to_be32(1); |
34558513 | 1623 | *p = cpu_to_be32(FATTR4_WORD0_ACL); |
9f06c719 | 1624 | BUG_ON(arg->acl_len % 4); |
13c65ce9 | 1625 | p = reserve_space(xdr, 4); |
34558513 | 1626 | *p = cpu_to_be32(arg->acl_len); |
23ec6965 | 1627 | xdr_write_pages(xdr, arg->acl_pages, arg->acl_pgbase, arg->acl_len); |
23ec6965 BF |
1628 | } |
1629 | ||
cf8cdbe5 | 1630 | static void |
d017931c | 1631 | encode_savefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1632 | { |
ab19b481 | 1633 | encode_op_hdr(xdr, OP_SAVEFH, decode_savefh_maxsz, hdr); |
1da177e4 LT |
1634 | } |
1635 | ||
cf8cdbe5 | 1636 | static void encode_setattr(struct xdr_stream *xdr, const struct nfs_setattrargs *arg, const struct nfs_server *server, struct compound_hdr *hdr) |
1da177e4 | 1637 | { |
ab19b481 | 1638 | encode_op_hdr(xdr, OP_SETATTR, decode_setattr_maxsz, hdr); |
ea9d23f5 | 1639 | encode_nfs4_stateid(xdr, &arg->stateid); |
cf8cdbe5 | 1640 | encode_attrs(xdr, arg->iap, server); |
1da177e4 LT |
1641 | } |
1642 | ||
cf8cdbe5 | 1643 | static void encode_setclientid(struct xdr_stream *xdr, const struct nfs4_setclientid *setclientid, struct compound_hdr *hdr) |
1da177e4 | 1644 | { |
8687b63a | 1645 | __be32 *p; |
1da177e4 | 1646 | |
cd93710e CL |
1647 | p = reserve_space(xdr, 4); |
1648 | *p = cpu_to_be32(OP_SETCLIENTID); | |
1649 | encode_nfs4_verifier(xdr, setclientid->sc_verifier); | |
1da177e4 LT |
1650 | |
1651 | encode_string(xdr, setclientid->sc_name_len, setclientid->sc_name); | |
13c65ce9 | 1652 | p = reserve_space(xdr, 4); |
34558513 | 1653 | *p = cpu_to_be32(setclientid->sc_prog); |
1da177e4 LT |
1654 | encode_string(xdr, setclientid->sc_netid_len, setclientid->sc_netid); |
1655 | encode_string(xdr, setclientid->sc_uaddr_len, setclientid->sc_uaddr); | |
13c65ce9 | 1656 | p = reserve_space(xdr, 4); |
34558513 | 1657 | *p = cpu_to_be32(setclientid->sc_cb_ident); |
d017931c | 1658 | hdr->nops++; |
dadf0c27 | 1659 | hdr->replen += decode_setclientid_maxsz; |
1da177e4 LT |
1660 | } |
1661 | ||
bb8b27e5 | 1662 | static void encode_setclientid_confirm(struct xdr_stream *xdr, const struct nfs4_setclientid_res *arg, struct compound_hdr *hdr) |
1da177e4 | 1663 | { |
05d564fe | 1664 | __be32 *p; |
1da177e4 | 1665 | |
cd93710e | 1666 | p = reserve_space(xdr, 12); |
e75bc1c8 | 1667 | *p++ = cpu_to_be32(OP_SETCLIENTID_CONFIRM); |
bb8b27e5 | 1668 | p = xdr_encode_hyper(p, arg->clientid); |
cd93710e | 1669 | encode_nfs4_verifier(xdr, &arg->confirm); |
d017931c | 1670 | hdr->nops++; |
dadf0c27 | 1671 | hdr->replen += decode_setclientid_confirm_maxsz; |
1da177e4 LT |
1672 | } |
1673 | ||
cf8cdbe5 | 1674 | static void encode_write(struct xdr_stream *xdr, const struct nfs_writeargs *args, struct compound_hdr *hdr) |
1da177e4 | 1675 | { |
8687b63a | 1676 | __be32 *p; |
1da177e4 | 1677 | |
ab19b481 | 1678 | encode_op_hdr(xdr, OP_WRITE, decode_write_maxsz, hdr); |
d0b496d2 | 1679 | encode_open_stateid(xdr, args->context, args->lock_context, |
89d1ea65 | 1680 | hdr->minorversion); |
1da177e4 | 1681 | |
13c65ce9 | 1682 | p = reserve_space(xdr, 16); |
b95be5a9 | 1683 | p = xdr_encode_hyper(p, args->offset); |
e75bc1c8 | 1684 | *p++ = cpu_to_be32(args->stable); |
34558513 | 1685 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1686 | |
1687 | xdr_write_pages(xdr, args->pages, args->pgbase, args->count); | |
1da177e4 LT |
1688 | } |
1689 | ||
cf8cdbe5 | 1690 | static void encode_delegreturn(struct xdr_stream *xdr, const nfs4_stateid *stateid, struct compound_hdr *hdr) |
1da177e4 | 1691 | { |
ab19b481 | 1692 | encode_op_hdr(xdr, OP_DELEGRETURN, decode_delegreturn_maxsz, hdr); |
ea9d23f5 | 1693 | encode_nfs4_stateid(xdr, stateid); |
1da177e4 | 1694 | } |
9b7b9fcc | 1695 | |
5a5ea0d4 BS |
1696 | static void encode_secinfo(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1697 | { | |
ab19b481 | 1698 | encode_op_hdr(xdr, OP_SECINFO, decode_secinfo_maxsz, hdr); |
6fdfb0bc | 1699 | encode_string(xdr, name->len, name->name); |
5a5ea0d4 BS |
1700 | } |
1701 | ||
99fe60d0 | 1702 | #if defined(CONFIG_NFS_V4_1) |
9b7b9fcc | 1703 | /* NFSv4.1 operations */ |
99fe60d0 BH |
1704 | static void encode_exchange_id(struct xdr_stream *xdr, |
1705 | struct nfs41_exchange_id_args *args, | |
1706 | struct compound_hdr *hdr) | |
1707 | { | |
1708 | __be32 *p; | |
db8ac8ba WAA |
1709 | char impl_name[NFS4_OPAQUE_LIMIT]; |
1710 | int len = 0; | |
99fe60d0 | 1711 | |
cd93710e CL |
1712 | p = reserve_space(xdr, 4); |
1713 | *p = cpu_to_be32(OP_EXCHANGE_ID); | |
1714 | encode_nfs4_verifier(xdr, args->verifier); | |
99fe60d0 BH |
1715 | |
1716 | encode_string(xdr, args->id_len, args->id); | |
1717 | ||
13c65ce9 | 1718 | p = reserve_space(xdr, 12); |
e75bc1c8 BH |
1719 | *p++ = cpu_to_be32(args->flags); |
1720 | *p++ = cpu_to_be32(0); /* zero length state_protect4_a */ | |
db8ac8ba WAA |
1721 | |
1722 | if (send_implementation_id && | |
1723 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) > 1 && | |
1724 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) | |
1725 | <= NFS4_OPAQUE_LIMIT + 1) | |
1726 | len = snprintf(impl_name, sizeof(impl_name), "%s %s %s %s", | |
1727 | utsname()->sysname, utsname()->release, | |
1728 | utsname()->version, utsname()->machine); | |
1729 | ||
1730 | if (len > 0) { | |
1731 | *p = cpu_to_be32(1); /* implementation id array length=1 */ | |
1732 | ||
1733 | encode_string(xdr, | |
1734 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) - 1, | |
1735 | CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN); | |
1736 | encode_string(xdr, len, impl_name); | |
1737 | /* just send zeros for nii_date - the date is in nii_name */ | |
1738 | p = reserve_space(xdr, 12); | |
1739 | p = xdr_encode_hyper(p, 0); | |
1740 | *p = cpu_to_be32(0); | |
1741 | } else | |
1742 | *p = cpu_to_be32(0); /* implementation id array length=0 */ | |
1743 | ||
99fe60d0 BH |
1744 | hdr->nops++; |
1745 | hdr->replen += decode_exchange_id_maxsz; | |
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; | |
8e0d46e1 MS |
1756 | u32 max_resp_sz_cached; |
1757 | ||
1758 | /* | |
1759 | * Assumes OPEN is the biggest non-idempotent compound. | |
1760 | * 2 is the verifier. | |
1761 | */ | |
1762 | max_resp_sz_cached = (NFS4_dec_open_sz + RPC_REPHDRSIZE + | |
1763 | RPC_MAX_AUTH_SIZE + 2) * XDR_UNIT; | |
fc931582 | 1764 | |
42edd698 BH |
1765 | len = scnprintf(machine_name, sizeof(machine_name), "%s", |
1766 | clp->cl_ipaddr); | |
fc931582 | 1767 | |
13c65ce9 | 1768 | p = reserve_space(xdr, 20 + 2*28 + 20 + len + 12); |
42edd698 | 1769 | *p++ = cpu_to_be32(OP_CREATE_SESSION); |
114f64b5 | 1770 | p = xdr_encode_hyper(p, clp->cl_clientid); |
e75bc1c8 BH |
1771 | *p++ = cpu_to_be32(clp->cl_seqid); /*Sequence id */ |
1772 | *p++ = cpu_to_be32(args->flags); /*flags */ | |
fc931582 | 1773 | |
fc931582 | 1774 | /* Fore Channel */ |
c9c30dd5 | 1775 | *p++ = cpu_to_be32(0); /* header padding size */ |
e75bc1c8 BH |
1776 | *p++ = cpu_to_be32(args->fc_attrs.max_rqst_sz); /* max req size */ |
1777 | *p++ = cpu_to_be32(args->fc_attrs.max_resp_sz); /* max resp size */ | |
8e0d46e1 | 1778 | *p++ = cpu_to_be32(max_resp_sz_cached); /* Max resp sz cached */ |
e75bc1c8 BH |
1779 | *p++ = cpu_to_be32(args->fc_attrs.max_ops); /* max operations */ |
1780 | *p++ = cpu_to_be32(args->fc_attrs.max_reqs); /* max requests */ | |
1781 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ | |
fc931582 AA |
1782 | |
1783 | /* Back Channel */ | |
c9c30dd5 | 1784 | *p++ = cpu_to_be32(0); /* header padding size */ |
e75bc1c8 BH |
1785 | *p++ = cpu_to_be32(args->bc_attrs.max_rqst_sz); /* max req size */ |
1786 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz); /* max resp size */ | |
1787 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz_cached); /* Max resp sz cached */ | |
1788 | *p++ = cpu_to_be32(args->bc_attrs.max_ops); /* max operations */ | |
1789 | *p++ = cpu_to_be32(args->bc_attrs.max_reqs); /* max requests */ | |
1790 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ | |
fc931582 | 1791 | |
e75bc1c8 | 1792 | *p++ = cpu_to_be32(args->cb_program); /* cb_program */ |
e75bc1c8 | 1793 | *p++ = cpu_to_be32(1); |
e75bc1c8 | 1794 | *p++ = cpu_to_be32(RPC_AUTH_UNIX); /* auth_sys */ |
fc931582 AA |
1795 | |
1796 | /* authsys_parms rfc1831 */ | |
e75bc1c8 | 1797 | *p++ = cpu_to_be32((u32)clp->cl_boot_time.tv_nsec); /* stamp */ |
811652bd | 1798 | p = xdr_encode_opaque(p, machine_name, len); |
e75bc1c8 BH |
1799 | *p++ = cpu_to_be32(0); /* UID */ |
1800 | *p++ = cpu_to_be32(0); /* GID */ | |
34558513 | 1801 | *p = cpu_to_be32(0); /* No more gids */ |
fc931582 AA |
1802 | hdr->nops++; |
1803 | hdr->replen += decode_create_session_maxsz; | |
1804 | } | |
0f3e66c6 AA |
1805 | |
1806 | static void encode_destroy_session(struct xdr_stream *xdr, | |
1807 | struct nfs4_session *session, | |
1808 | struct compound_hdr *hdr) | |
1809 | { | |
1810 | __be32 *p; | |
13c65ce9 | 1811 | p = reserve_space(xdr, 4 + NFS4_MAX_SESSIONID_LEN); |
e75bc1c8 | 1812 | *p++ = cpu_to_be32(OP_DESTROY_SESSION); |
34558513 | 1813 | xdr_encode_opaque_fixed(p, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); |
0f3e66c6 AA |
1814 | hdr->nops++; |
1815 | hdr->replen += decode_destroy_session_maxsz; | |
1816 | } | |
18019753 RL |
1817 | |
1818 | static void encode_reclaim_complete(struct xdr_stream *xdr, | |
1819 | struct nfs41_reclaim_complete_args *args, | |
1820 | struct compound_hdr *hdr) | |
1821 | { | |
1822 | __be32 *p; | |
1823 | ||
1824 | p = reserve_space(xdr, 8); | |
1825 | *p++ = cpu_to_be32(OP_RECLAIM_COMPLETE); | |
1826 | *p++ = cpu_to_be32(args->one_fs); | |
1827 | hdr->nops++; | |
1828 | hdr->replen += decode_reclaim_complete_maxsz; | |
1829 | } | |
99fe60d0 BH |
1830 | #endif /* CONFIG_NFS_V4_1 */ |
1831 | ||
9b7b9fcc AA |
1832 | static void encode_sequence(struct xdr_stream *xdr, |
1833 | const struct nfs4_sequence_args *args, | |
1834 | struct compound_hdr *hdr) | |
1835 | { | |
1836 | #if defined(CONFIG_NFS_V4_1) | |
1837 | struct nfs4_session *session = args->sa_session; | |
fc01cea9 AA |
1838 | struct nfs4_slot_table *tp; |
1839 | struct nfs4_slot *slot; | |
1840 | __be32 *p; | |
9b7b9fcc AA |
1841 | |
1842 | if (!session) | |
1843 | return; | |
1844 | ||
fc01cea9 AA |
1845 | tp = &session->fc_slot_table; |
1846 | ||
1847 | WARN_ON(args->sa_slotid == NFS4_MAX_SLOT_TABLE); | |
1848 | slot = tp->slots + args->sa_slotid; | |
1849 | ||
13c65ce9 | 1850 | p = reserve_space(xdr, 4 + NFS4_MAX_SESSIONID_LEN + 16); |
e75bc1c8 | 1851 | *p++ = cpu_to_be32(OP_SEQUENCE); |
fc01cea9 AA |
1852 | |
1853 | /* | |
1854 | * Sessionid + seqid + slotid + max slotid + cache_this | |
1855 | */ | |
1856 | dprintk("%s: sessionid=%u:%u:%u:%u seqid=%d slotid=%d " | |
1857 | "max_slotid=%d cache_this=%d\n", | |
1858 | __func__, | |
1859 | ((u32 *)session->sess_id.data)[0], | |
1860 | ((u32 *)session->sess_id.data)[1], | |
1861 | ((u32 *)session->sess_id.data)[2], | |
1862 | ((u32 *)session->sess_id.data)[3], | |
1863 | slot->seq_nr, args->sa_slotid, | |
1864 | tp->highest_used_slotid, args->sa_cache_this); | |
93f0cf25 | 1865 | p = xdr_encode_opaque_fixed(p, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); |
e75bc1c8 BH |
1866 | *p++ = cpu_to_be32(slot->seq_nr); |
1867 | *p++ = cpu_to_be32(args->sa_slotid); | |
1868 | *p++ = cpu_to_be32(tp->highest_used_slotid); | |
34558513 | 1869 | *p = cpu_to_be32(args->sa_cache_this); |
9b7b9fcc AA |
1870 | hdr->nops++; |
1871 | hdr->replen += decode_sequence_maxsz; | |
1872 | #endif /* CONFIG_NFS_V4_1 */ | |
1873 | } | |
1874 | ||
b1f69b75 | 1875 | #ifdef CONFIG_NFS_V4_1 |
7f11d8d3 AA |
1876 | static void |
1877 | encode_getdevicelist(struct xdr_stream *xdr, | |
1878 | const struct nfs4_getdevicelist_args *args, | |
1879 | struct compound_hdr *hdr) | |
1880 | { | |
1881 | __be32 *p; | |
1882 | nfs4_verifier dummy = { | |
1883 | .data = "dummmmmy", | |
1884 | }; | |
1885 | ||
1886 | p = reserve_space(xdr, 20); | |
1887 | *p++ = cpu_to_be32(OP_GETDEVICELIST); | |
1888 | *p++ = cpu_to_be32(args->layoutclass); | |
1889 | *p++ = cpu_to_be32(NFS4_PNFS_GETDEVLIST_MAXNUM); | |
1890 | xdr_encode_hyper(p, 0ULL); /* cookie */ | |
1891 | encode_nfs4_verifier(xdr, &dummy); | |
1892 | hdr->nops++; | |
1893 | hdr->replen += decode_getdevicelist_maxsz; | |
1894 | } | |
1895 | ||
b1f69b75 AA |
1896 | static void |
1897 | encode_getdeviceinfo(struct xdr_stream *xdr, | |
1898 | const struct nfs4_getdeviceinfo_args *args, | |
1899 | struct compound_hdr *hdr) | |
1900 | { | |
1901 | __be32 *p; | |
1902 | ||
1903 | p = reserve_space(xdr, 16 + NFS4_DEVICEID4_SIZE); | |
1904 | *p++ = cpu_to_be32(OP_GETDEVICEINFO); | |
1905 | p = xdr_encode_opaque_fixed(p, args->pdev->dev_id.data, | |
1906 | NFS4_DEVICEID4_SIZE); | |
1907 | *p++ = cpu_to_be32(args->pdev->layout_type); | |
1908 | *p++ = cpu_to_be32(args->pdev->pglen); /* gdia_maxcount */ | |
1909 | *p++ = cpu_to_be32(0); /* bitmap length 0 */ | |
1910 | hdr->nops++; | |
1911 | hdr->replen += decode_getdeviceinfo_maxsz; | |
1912 | } | |
1913 | ||
1914 | static void | |
1915 | encode_layoutget(struct xdr_stream *xdr, | |
1916 | const struct nfs4_layoutget_args *args, | |
1917 | struct compound_hdr *hdr) | |
1918 | { | |
b1f69b75 AA |
1919 | __be32 *p; |
1920 | ||
ea9d23f5 | 1921 | p = reserve_space(xdr, 40); |
b1f69b75 AA |
1922 | *p++ = cpu_to_be32(OP_LAYOUTGET); |
1923 | *p++ = cpu_to_be32(0); /* Signal layout available */ | |
1924 | *p++ = cpu_to_be32(args->type); | |
1925 | *p++ = cpu_to_be32(args->range.iomode); | |
1926 | p = xdr_encode_hyper(p, args->range.offset); | |
1927 | p = xdr_encode_hyper(p, args->range.length); | |
1928 | p = xdr_encode_hyper(p, args->minlength); | |
ea9d23f5 TM |
1929 | encode_nfs4_stateid(xdr, &args->stateid); |
1930 | p = reserve_space(xdr, 4); | |
b1f69b75 AA |
1931 | *p = cpu_to_be32(args->maxcount); |
1932 | ||
1933 | dprintk("%s: 1st type:0x%x iomode:%d off:%lu len:%lu mc:%d\n", | |
1934 | __func__, | |
1935 | args->type, | |
1936 | args->range.iomode, | |
1937 | (unsigned long)args->range.offset, | |
1938 | (unsigned long)args->range.length, | |
1939 | args->maxcount); | |
1940 | hdr->nops++; | |
1941 | hdr->replen += decode_layoutget_maxsz; | |
1942 | } | |
863a3c6c AA |
1943 | |
1944 | static int | |
1945 | encode_layoutcommit(struct xdr_stream *xdr, | |
ac7db726 | 1946 | struct inode *inode, |
863a3c6c AA |
1947 | const struct nfs4_layoutcommit_args *args, |
1948 | struct compound_hdr *hdr) | |
1949 | { | |
1950 | __be32 *p; | |
1951 | ||
1952 | dprintk("%s: lbw: %llu type: %d\n", __func__, args->lastbytewritten, | |
1953 | NFS_SERVER(args->inode)->pnfs_curr_ld->id); | |
1954 | ||
ea9d23f5 | 1955 | p = reserve_space(xdr, 24); |
863a3c6c AA |
1956 | *p++ = cpu_to_be32(OP_LAYOUTCOMMIT); |
1957 | /* Only whole file layouts */ | |
1958 | p = xdr_encode_hyper(p, 0); /* offset */ | |
3557c6c3 | 1959 | p = xdr_encode_hyper(p, args->lastbytewritten + 1); /* length */ |
ea9d23f5 TM |
1960 | *p = cpu_to_be32(0); /* reclaim */ |
1961 | encode_nfs4_stateid(xdr, &args->stateid); | |
1962 | p = reserve_space(xdr, 20); | |
863a3c6c AA |
1963 | *p++ = cpu_to_be32(1); /* newoffset = TRUE */ |
1964 | p = xdr_encode_hyper(p, args->lastbytewritten); | |
1965 | *p++ = cpu_to_be32(0); /* Never send time_modify_changed */ | |
1966 | *p++ = cpu_to_be32(NFS_SERVER(args->inode)->pnfs_curr_ld->id);/* type */ | |
ac7db726 BH |
1967 | |
1968 | if (NFS_SERVER(inode)->pnfs_curr_ld->encode_layoutcommit) | |
1969 | NFS_SERVER(inode)->pnfs_curr_ld->encode_layoutcommit( | |
1970 | NFS_I(inode)->layout, xdr, args); | |
1971 | else { | |
1972 | p = reserve_space(xdr, 4); | |
1973 | *p = cpu_to_be32(0); /* no layout-type payload */ | |
1974 | } | |
863a3c6c AA |
1975 | |
1976 | hdr->nops++; | |
1977 | hdr->replen += decode_layoutcommit_maxsz; | |
1978 | return 0; | |
1979 | } | |
cbe82603 BH |
1980 | |
1981 | static void | |
1982 | encode_layoutreturn(struct xdr_stream *xdr, | |
1983 | const struct nfs4_layoutreturn_args *args, | |
1984 | struct compound_hdr *hdr) | |
1985 | { | |
1986 | __be32 *p; | |
1987 | ||
1988 | p = reserve_space(xdr, 20); | |
1989 | *p++ = cpu_to_be32(OP_LAYOUTRETURN); | |
1990 | *p++ = cpu_to_be32(0); /* reclaim. always 0 for now */ | |
1991 | *p++ = cpu_to_be32(args->layout_type); | |
1992 | *p++ = cpu_to_be32(IOMODE_ANY); | |
1993 | *p = cpu_to_be32(RETURN_FILE); | |
ea9d23f5 | 1994 | p = reserve_space(xdr, 16); |
cbe82603 BH |
1995 | p = xdr_encode_hyper(p, 0); |
1996 | p = xdr_encode_hyper(p, NFS4_MAX_UINT64); | |
1997 | spin_lock(&args->inode->i_lock); | |
ea9d23f5 | 1998 | encode_nfs4_stateid(xdr, &args->stateid); |
cbe82603 | 1999 | spin_unlock(&args->inode->i_lock); |
04a55549 AA |
2000 | if (NFS_SERVER(args->inode)->pnfs_curr_ld->encode_layoutreturn) { |
2001 | NFS_SERVER(args->inode)->pnfs_curr_ld->encode_layoutreturn( | |
2002 | NFS_I(args->inode)->layout, xdr, args); | |
2003 | } else { | |
2004 | p = reserve_space(xdr, 4); | |
2005 | *p = cpu_to_be32(0); | |
2006 | } | |
cbe82603 BH |
2007 | hdr->nops++; |
2008 | hdr->replen += decode_layoutreturn_maxsz; | |
2009 | } | |
fca78d6d BS |
2010 | |
2011 | static int | |
2012 | encode_secinfo_no_name(struct xdr_stream *xdr, | |
2013 | const struct nfs41_secinfo_no_name_args *args, | |
2014 | struct compound_hdr *hdr) | |
2015 | { | |
2016 | __be32 *p; | |
2017 | p = reserve_space(xdr, 8); | |
2018 | *p++ = cpu_to_be32(OP_SECINFO_NO_NAME); | |
2019 | *p++ = cpu_to_be32(args->style); | |
2020 | hdr->nops++; | |
2021 | hdr->replen += decode_secinfo_no_name_maxsz; | |
2022 | return 0; | |
2023 | } | |
7d974794 BS |
2024 | |
2025 | static void encode_test_stateid(struct xdr_stream *xdr, | |
2026 | struct nfs41_test_stateid_args *args, | |
2027 | struct compound_hdr *hdr) | |
2028 | { | |
2029 | __be32 *p; | |
2030 | ||
ea9d23f5 | 2031 | p = reserve_space(xdr, 8); |
7d974794 | 2032 | *p++ = cpu_to_be32(OP_TEST_STATEID); |
ea9d23f5 TM |
2033 | *p = cpu_to_be32(1); |
2034 | encode_nfs4_stateid(xdr, args->stateid); | |
7d974794 BS |
2035 | hdr->nops++; |
2036 | hdr->replen += decode_test_stateid_maxsz; | |
2037 | } | |
9aeda35f BS |
2038 | |
2039 | static void encode_free_stateid(struct xdr_stream *xdr, | |
2040 | struct nfs41_free_stateid_args *args, | |
2041 | struct compound_hdr *hdr) | |
2042 | { | |
ab19b481 | 2043 | encode_op_hdr(xdr, OP_FREE_STATEID, decode_free_stateid_maxsz, hdr); |
ea9d23f5 | 2044 | encode_nfs4_stateid(xdr, args->stateid); |
9aeda35f | 2045 | } |
b1f69b75 AA |
2046 | #endif /* CONFIG_NFS_V4_1 */ |
2047 | ||
1da177e4 LT |
2048 | /* |
2049 | * END OF "GENERIC" ENCODE ROUTINES. | |
2050 | */ | |
2051 | ||
66cc0429 BH |
2052 | static u32 nfs4_xdr_minorversion(const struct nfs4_sequence_args *args) |
2053 | { | |
2054 | #if defined(CONFIG_NFS_V4_1) | |
2055 | if (args->sa_session) | |
a4432345 | 2056 | return args->sa_session->clp->cl_mvops->minor_version; |
66cc0429 BH |
2057 | #endif /* CONFIG_NFS_V4_1 */ |
2058 | return 0; | |
2059 | } | |
2060 | ||
1da177e4 LT |
2061 | /* |
2062 | * Encode an ACCESS request | |
2063 | */ | |
9f06c719 CL |
2064 | static void nfs4_xdr_enc_access(struct rpc_rqst *req, struct xdr_stream *xdr, |
2065 | const struct nfs4_accessargs *args) | |
1da177e4 | 2066 | { |
1da177e4 | 2067 | struct compound_hdr hdr = { |
66cc0429 | 2068 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2069 | }; |
1da177e4 | 2070 | |
9f06c719 CL |
2071 | encode_compound_hdr(xdr, req, &hdr); |
2072 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2073 | encode_putfh(xdr, args->fh, &hdr); | |
2074 | encode_access(xdr, args->access, &hdr); | |
2075 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2076 | encode_nops(&hdr); |
1da177e4 LT |
2077 | } |
2078 | ||
2079 | /* | |
2080 | * Encode LOOKUP request | |
2081 | */ | |
9f06c719 CL |
2082 | static void nfs4_xdr_enc_lookup(struct rpc_rqst *req, struct xdr_stream *xdr, |
2083 | const struct nfs4_lookup_arg *args) | |
1da177e4 | 2084 | { |
1da177e4 | 2085 | struct compound_hdr hdr = { |
66cc0429 | 2086 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2087 | }; |
1da177e4 | 2088 | |
9f06c719 CL |
2089 | encode_compound_hdr(xdr, req, &hdr); |
2090 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2091 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2092 | encode_lookup(xdr, args->name, &hdr); | |
2093 | encode_getfh(xdr, &hdr); | |
2094 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2095 | encode_nops(&hdr); |
1da177e4 LT |
2096 | } |
2097 | ||
2098 | /* | |
2099 | * Encode LOOKUP_ROOT request | |
2100 | */ | |
9f06c719 CL |
2101 | static void nfs4_xdr_enc_lookup_root(struct rpc_rqst *req, |
2102 | struct xdr_stream *xdr, | |
2103 | const struct nfs4_lookup_root_arg *args) | |
1da177e4 | 2104 | { |
1da177e4 | 2105 | struct compound_hdr hdr = { |
66cc0429 | 2106 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2107 | }; |
1da177e4 | 2108 | |
9f06c719 CL |
2109 | encode_compound_hdr(xdr, req, &hdr); |
2110 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2111 | encode_putrootfh(xdr, &hdr); | |
2112 | encode_getfh(xdr, &hdr); | |
2113 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2114 | encode_nops(&hdr); |
1da177e4 LT |
2115 | } |
2116 | ||
2117 | /* | |
2118 | * Encode REMOVE request | |
2119 | */ | |
9f06c719 CL |
2120 | static void nfs4_xdr_enc_remove(struct rpc_rqst *req, struct xdr_stream *xdr, |
2121 | const struct nfs_removeargs *args) | |
1da177e4 | 2122 | { |
1da177e4 | 2123 | struct compound_hdr hdr = { |
66cc0429 | 2124 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2125 | }; |
1da177e4 | 2126 | |
9f06c719 CL |
2127 | encode_compound_hdr(xdr, req, &hdr); |
2128 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2129 | encode_putfh(xdr, args->fh, &hdr); | |
2130 | encode_remove(xdr, &args->name, &hdr); | |
2131 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2132 | encode_nops(&hdr); |
1da177e4 LT |
2133 | } |
2134 | ||
2135 | /* | |
2136 | * Encode RENAME request | |
2137 | */ | |
9f06c719 CL |
2138 | static void nfs4_xdr_enc_rename(struct rpc_rqst *req, struct xdr_stream *xdr, |
2139 | const struct nfs_renameargs *args) | |
1da177e4 | 2140 | { |
1da177e4 | 2141 | struct compound_hdr hdr = { |
66cc0429 | 2142 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2143 | }; |
1da177e4 | 2144 | |
9f06c719 CL |
2145 | encode_compound_hdr(xdr, req, &hdr); |
2146 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2147 | encode_putfh(xdr, args->old_dir, &hdr); | |
2148 | encode_savefh(xdr, &hdr); | |
2149 | encode_putfh(xdr, args->new_dir, &hdr); | |
2150 | encode_rename(xdr, args->old_name, args->new_name, &hdr); | |
2151 | encode_getfattr(xdr, args->bitmask, &hdr); | |
2152 | encode_restorefh(xdr, &hdr); | |
2153 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2154 | encode_nops(&hdr); |
1da177e4 LT |
2155 | } |
2156 | ||
2157 | /* | |
2158 | * Encode LINK request | |
2159 | */ | |
9f06c719 CL |
2160 | static void nfs4_xdr_enc_link(struct rpc_rqst *req, struct xdr_stream *xdr, |
2161 | const struct nfs4_link_arg *args) | |
1da177e4 | 2162 | { |
1da177e4 | 2163 | struct compound_hdr hdr = { |
66cc0429 | 2164 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2165 | }; |
1da177e4 | 2166 | |
9f06c719 CL |
2167 | encode_compound_hdr(xdr, req, &hdr); |
2168 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2169 | encode_putfh(xdr, args->fh, &hdr); | |
2170 | encode_savefh(xdr, &hdr); | |
2171 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2172 | encode_link(xdr, args->name, &hdr); | |
2173 | encode_getfattr(xdr, args->bitmask, &hdr); | |
2174 | encode_restorefh(xdr, &hdr); | |
2175 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2176 | encode_nops(&hdr); |
1da177e4 LT |
2177 | } |
2178 | ||
2179 | /* | |
2180 | * Encode CREATE request | |
2181 | */ | |
9f06c719 CL |
2182 | static void nfs4_xdr_enc_create(struct rpc_rqst *req, struct xdr_stream *xdr, |
2183 | const struct nfs4_create_arg *args) | |
1da177e4 | 2184 | { |
1da177e4 | 2185 | struct compound_hdr hdr = { |
66cc0429 | 2186 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2187 | }; |
1da177e4 | 2188 | |
9f06c719 CL |
2189 | encode_compound_hdr(xdr, req, &hdr); |
2190 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2191 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2192 | encode_savefh(xdr, &hdr); | |
2193 | encode_create(xdr, args, &hdr); | |
2194 | encode_getfh(xdr, &hdr); | |
2195 | encode_getfattr(xdr, args->bitmask, &hdr); | |
2196 | encode_restorefh(xdr, &hdr); | |
2197 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2198 | encode_nops(&hdr); |
1da177e4 LT |
2199 | } |
2200 | ||
2201 | /* | |
2202 | * Encode SYMLINK request | |
2203 | */ | |
9f06c719 CL |
2204 | static void nfs4_xdr_enc_symlink(struct rpc_rqst *req, struct xdr_stream *xdr, |
2205 | const struct nfs4_create_arg *args) | |
1da177e4 | 2206 | { |
9f06c719 | 2207 | nfs4_xdr_enc_create(req, xdr, args); |
1da177e4 LT |
2208 | } |
2209 | ||
2210 | /* | |
2211 | * Encode GETATTR request | |
2212 | */ | |
9f06c719 CL |
2213 | static void nfs4_xdr_enc_getattr(struct rpc_rqst *req, struct xdr_stream *xdr, |
2214 | const struct nfs4_getattr_arg *args) | |
1da177e4 | 2215 | { |
1da177e4 | 2216 | struct compound_hdr hdr = { |
66cc0429 | 2217 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2218 | }; |
1da177e4 | 2219 | |
9f06c719 CL |
2220 | encode_compound_hdr(xdr, req, &hdr); |
2221 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2222 | encode_putfh(xdr, args->fh, &hdr); | |
2223 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2224 | encode_nops(&hdr); |
1da177e4 LT |
2225 | } |
2226 | ||
2227 | /* | |
2228 | * Encode a CLOSE request | |
2229 | */ | |
9f06c719 CL |
2230 | static void nfs4_xdr_enc_close(struct rpc_rqst *req, struct xdr_stream *xdr, |
2231 | struct nfs_closeargs *args) | |
1da177e4 | 2232 | { |
05d564fe | 2233 | struct compound_hdr hdr = { |
66cc0429 | 2234 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 2235 | }; |
05d564fe | 2236 | |
9f06c719 CL |
2237 | encode_compound_hdr(xdr, req, &hdr); |
2238 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2239 | encode_putfh(xdr, args->fh, &hdr); | |
2240 | encode_close(xdr, args, &hdr); | |
2241 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2242 | encode_nops(&hdr); |
1da177e4 LT |
2243 | } |
2244 | ||
2245 | /* | |
2246 | * Encode an OPEN request | |
2247 | */ | |
9f06c719 CL |
2248 | static void nfs4_xdr_enc_open(struct rpc_rqst *req, struct xdr_stream *xdr, |
2249 | struct nfs_openargs *args) | |
1da177e4 | 2250 | { |
1da177e4 | 2251 | struct compound_hdr hdr = { |
66cc0429 | 2252 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2253 | }; |
1da177e4 | 2254 | |
9f06c719 CL |
2255 | encode_compound_hdr(xdr, req, &hdr); |
2256 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2257 | encode_putfh(xdr, args->fh, &hdr); | |
2258 | encode_savefh(xdr, &hdr); | |
2259 | encode_open(xdr, args, &hdr); | |
2260 | encode_getfh(xdr, &hdr); | |
2261 | encode_getfattr(xdr, args->bitmask, &hdr); | |
2262 | encode_restorefh(xdr, &hdr); | |
6926afd1 | 2263 | encode_getfattr(xdr, args->dir_bitmask, &hdr); |
d017931c | 2264 | encode_nops(&hdr); |
1da177e4 LT |
2265 | } |
2266 | ||
2267 | /* | |
2268 | * Encode an OPEN_CONFIRM request | |
2269 | */ | |
9f06c719 CL |
2270 | static void nfs4_xdr_enc_open_confirm(struct rpc_rqst *req, |
2271 | struct xdr_stream *xdr, | |
2272 | struct nfs_open_confirmargs *args) | |
1da177e4 | 2273 | { |
1da177e4 | 2274 | struct compound_hdr hdr = { |
d017931c | 2275 | .nops = 0, |
1da177e4 | 2276 | }; |
1da177e4 | 2277 | |
9f06c719 CL |
2278 | encode_compound_hdr(xdr, req, &hdr); |
2279 | encode_putfh(xdr, args->fh, &hdr); | |
2280 | encode_open_confirm(xdr, args, &hdr); | |
d017931c | 2281 | encode_nops(&hdr); |
1da177e4 LT |
2282 | } |
2283 | ||
2284 | /* | |
2285 | * Encode an OPEN request with no attributes. | |
2286 | */ | |
9f06c719 CL |
2287 | static void nfs4_xdr_enc_open_noattr(struct rpc_rqst *req, |
2288 | struct xdr_stream *xdr, | |
2289 | struct nfs_openargs *args) | |
1da177e4 | 2290 | { |
1da177e4 | 2291 | struct compound_hdr hdr = { |
66cc0429 | 2292 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2293 | }; |
1da177e4 | 2294 | |
9f06c719 CL |
2295 | encode_compound_hdr(xdr, req, &hdr); |
2296 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2297 | encode_putfh(xdr, args->fh, &hdr); | |
2298 | encode_open(xdr, args, &hdr); | |
2299 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2300 | encode_nops(&hdr); |
1da177e4 LT |
2301 | } |
2302 | ||
2303 | /* | |
2304 | * Encode an OPEN_DOWNGRADE request | |
2305 | */ | |
9f06c719 CL |
2306 | static void nfs4_xdr_enc_open_downgrade(struct rpc_rqst *req, |
2307 | struct xdr_stream *xdr, | |
2308 | struct nfs_closeargs *args) | |
1da177e4 | 2309 | { |
1da177e4 | 2310 | struct compound_hdr hdr = { |
66cc0429 | 2311 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2312 | }; |
1da177e4 | 2313 | |
9f06c719 CL |
2314 | encode_compound_hdr(xdr, req, &hdr); |
2315 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2316 | encode_putfh(xdr, args->fh, &hdr); | |
2317 | encode_open_downgrade(xdr, args, &hdr); | |
2318 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2319 | encode_nops(&hdr); |
1da177e4 LT |
2320 | } |
2321 | ||
2322 | /* | |
2323 | * Encode a LOCK request | |
2324 | */ | |
9f06c719 CL |
2325 | static void nfs4_xdr_enc_lock(struct rpc_rqst *req, struct xdr_stream *xdr, |
2326 | struct nfs_lock_args *args) | |
1da177e4 | 2327 | { |
1da177e4 | 2328 | struct compound_hdr hdr = { |
66cc0429 | 2329 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2330 | }; |
1da177e4 | 2331 | |
9f06c719 CL |
2332 | encode_compound_hdr(xdr, req, &hdr); |
2333 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2334 | encode_putfh(xdr, args->fh, &hdr); | |
2335 | encode_lock(xdr, args, &hdr); | |
d017931c | 2336 | encode_nops(&hdr); |
1da177e4 LT |
2337 | } |
2338 | ||
2339 | /* | |
2340 | * Encode a LOCKT request | |
2341 | */ | |
9f06c719 CL |
2342 | static void nfs4_xdr_enc_lockt(struct rpc_rqst *req, struct xdr_stream *xdr, |
2343 | struct nfs_lockt_args *args) | |
1da177e4 | 2344 | { |
1da177e4 | 2345 | struct compound_hdr hdr = { |
66cc0429 | 2346 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2347 | }; |
1da177e4 | 2348 | |
9f06c719 CL |
2349 | encode_compound_hdr(xdr, req, &hdr); |
2350 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2351 | encode_putfh(xdr, args->fh, &hdr); | |
2352 | encode_lockt(xdr, args, &hdr); | |
d017931c | 2353 | encode_nops(&hdr); |
1da177e4 LT |
2354 | } |
2355 | ||
2356 | /* | |
2357 | * Encode a LOCKU request | |
2358 | */ | |
9f06c719 CL |
2359 | static void nfs4_xdr_enc_locku(struct rpc_rqst *req, struct xdr_stream *xdr, |
2360 | struct nfs_locku_args *args) | |
1da177e4 | 2361 | { |
1da177e4 | 2362 | struct compound_hdr hdr = { |
66cc0429 | 2363 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2364 | }; |
1da177e4 | 2365 | |
9f06c719 CL |
2366 | encode_compound_hdr(xdr, req, &hdr); |
2367 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2368 | encode_putfh(xdr, args->fh, &hdr); | |
2369 | encode_locku(xdr, args, &hdr); | |
d017931c | 2370 | encode_nops(&hdr); |
1da177e4 LT |
2371 | } |
2372 | ||
9f06c719 CL |
2373 | static void nfs4_xdr_enc_release_lockowner(struct rpc_rqst *req, |
2374 | struct xdr_stream *xdr, | |
2375 | struct nfs_release_lockowner_args *args) | |
d3c7b7cc | 2376 | { |
d3c7b7cc TM |
2377 | struct compound_hdr hdr = { |
2378 | .minorversion = 0, | |
2379 | }; | |
2380 | ||
9f06c719 CL |
2381 | encode_compound_hdr(xdr, req, &hdr); |
2382 | encode_release_lockowner(xdr, &args->lock_owner, &hdr); | |
d3c7b7cc | 2383 | encode_nops(&hdr); |
d3c7b7cc TM |
2384 | } |
2385 | ||
1da177e4 LT |
2386 | /* |
2387 | * Encode a READLINK request | |
2388 | */ | |
9f06c719 CL |
2389 | static void nfs4_xdr_enc_readlink(struct rpc_rqst *req, struct xdr_stream *xdr, |
2390 | const struct nfs4_readlink *args) | |
1da177e4 | 2391 | { |
1da177e4 | 2392 | struct compound_hdr hdr = { |
66cc0429 | 2393 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2394 | }; |
1da177e4 | 2395 | |
9f06c719 CL |
2396 | encode_compound_hdr(xdr, req, &hdr); |
2397 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2398 | encode_putfh(xdr, args->fh, &hdr); | |
2399 | encode_readlink(xdr, args, req, &hdr); | |
e3a535e1 | 2400 | |
28f56694 | 2401 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, |
e3a535e1 | 2402 | args->pgbase, args->pglen); |
d017931c | 2403 | encode_nops(&hdr); |
1da177e4 LT |
2404 | } |
2405 | ||
2406 | /* | |
2407 | * Encode a READDIR request | |
2408 | */ | |
9f06c719 CL |
2409 | static void nfs4_xdr_enc_readdir(struct rpc_rqst *req, struct xdr_stream *xdr, |
2410 | const struct nfs4_readdir_arg *args) | |
1da177e4 | 2411 | { |
1da177e4 | 2412 | struct compound_hdr hdr = { |
66cc0429 | 2413 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2414 | }; |
1da177e4 | 2415 | |
9f06c719 CL |
2416 | encode_compound_hdr(xdr, req, &hdr); |
2417 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2418 | encode_putfh(xdr, args->fh, &hdr); | |
2419 | encode_readdir(xdr, args, req, &hdr); | |
d6ac02df | 2420 | |
28f56694 | 2421 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, |
d6ac02df TM |
2422 | args->pgbase, args->count); |
2423 | dprintk("%s: inlined page args = (%u, %p, %u, %u)\n", | |
28f56694 | 2424 | __func__, hdr.replen << 2, args->pages, |
d6ac02df | 2425 | args->pgbase, args->count); |
d017931c | 2426 | encode_nops(&hdr); |
1da177e4 LT |
2427 | } |
2428 | ||
2429 | /* | |
2430 | * Encode a READ request | |
2431 | */ | |
9f06c719 CL |
2432 | static void nfs4_xdr_enc_read(struct rpc_rqst *req, struct xdr_stream *xdr, |
2433 | struct nfs_readargs *args) | |
1da177e4 | 2434 | { |
1da177e4 | 2435 | struct compound_hdr hdr = { |
66cc0429 | 2436 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2437 | }; |
1da177e4 | 2438 | |
9f06c719 CL |
2439 | encode_compound_hdr(xdr, req, &hdr); |
2440 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2441 | encode_putfh(xdr, args->fh, &hdr); | |
2442 | encode_read(xdr, args, &hdr); | |
1da177e4 | 2443 | |
28f56694 | 2444 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, |
1da177e4 | 2445 | args->pages, args->pgbase, args->count); |
4f22ccc3 | 2446 | req->rq_rcv_buf.flags |= XDRBUF_READ; |
d017931c | 2447 | encode_nops(&hdr); |
1da177e4 LT |
2448 | } |
2449 | ||
2450 | /* | |
2451 | * Encode an SETATTR request | |
2452 | */ | |
9f06c719 CL |
2453 | static void nfs4_xdr_enc_setattr(struct rpc_rqst *req, struct xdr_stream *xdr, |
2454 | struct nfs_setattrargs *args) | |
1da177e4 | 2455 | { |
05d564fe | 2456 | struct compound_hdr hdr = { |
66cc0429 | 2457 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 2458 | }; |
05d564fe | 2459 | |
9f06c719 CL |
2460 | encode_compound_hdr(xdr, req, &hdr); |
2461 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2462 | encode_putfh(xdr, args->fh, &hdr); | |
2463 | encode_setattr(xdr, args, args->server, &hdr); | |
2464 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2465 | encode_nops(&hdr); |
1da177e4 LT |
2466 | } |
2467 | ||
029d105e BF |
2468 | /* |
2469 | * Encode a GETACL request | |
2470 | */ | |
9f06c719 CL |
2471 | static void nfs4_xdr_enc_getacl(struct rpc_rqst *req, struct xdr_stream *xdr, |
2472 | struct nfs_getaclargs *args) | |
029d105e | 2473 | { |
029d105e | 2474 | struct compound_hdr hdr = { |
66cc0429 | 2475 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
029d105e | 2476 | }; |
28f56694 | 2477 | uint32_t replen; |
029d105e | 2478 | |
9f06c719 CL |
2479 | encode_compound_hdr(xdr, req, &hdr); |
2480 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2481 | encode_putfh(xdr, args->fh, &hdr); | |
bf118a34 | 2482 | replen = hdr.replen + op_decode_hdr_maxsz + 1; |
9f06c719 | 2483 | encode_getattr_two(xdr, FATTR4_WORD0_ACL, 0, &hdr); |
cf8cdbe5 | 2484 | |
28f56694 | 2485 | xdr_inline_pages(&req->rq_rcv_buf, replen << 2, |
029d105e | 2486 | args->acl_pages, args->acl_pgbase, args->acl_len); |
bf118a34 | 2487 | |
d017931c | 2488 | encode_nops(&hdr); |
029d105e BF |
2489 | } |
2490 | ||
1da177e4 LT |
2491 | /* |
2492 | * Encode a WRITE request | |
2493 | */ | |
9f06c719 CL |
2494 | static void nfs4_xdr_enc_write(struct rpc_rqst *req, struct xdr_stream *xdr, |
2495 | struct nfs_writeargs *args) | |
1da177e4 | 2496 | { |
1da177e4 | 2497 | struct compound_hdr hdr = { |
66cc0429 | 2498 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2499 | }; |
1da177e4 | 2500 | |
9f06c719 CL |
2501 | encode_compound_hdr(xdr, req, &hdr); |
2502 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2503 | encode_putfh(xdr, args->fh, &hdr); | |
2504 | encode_write(xdr, args, &hdr); | |
4f22ccc3 | 2505 | req->rq_snd_buf.flags |= XDRBUF_WRITE; |
7ffd1064 FI |
2506 | if (args->bitmask) |
2507 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2508 | encode_nops(&hdr); |
1da177e4 LT |
2509 | } |
2510 | ||
2511 | /* | |
2512 | * a COMMIT request | |
2513 | */ | |
9f06c719 CL |
2514 | static void nfs4_xdr_enc_commit(struct rpc_rqst *req, struct xdr_stream *xdr, |
2515 | struct nfs_writeargs *args) | |
1da177e4 | 2516 | { |
1da177e4 | 2517 | struct compound_hdr hdr = { |
66cc0429 | 2518 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2519 | }; |
1da177e4 | 2520 | |
9f06c719 CL |
2521 | encode_compound_hdr(xdr, req, &hdr); |
2522 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2523 | encode_putfh(xdr, args->fh, &hdr); | |
2524 | encode_commit(xdr, args, &hdr); | |
988b6dce FI |
2525 | if (args->bitmask) |
2526 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2527 | encode_nops(&hdr); |
1da177e4 LT |
2528 | } |
2529 | ||
2530 | /* | |
2531 | * FSINFO request | |
2532 | */ | |
9f06c719 CL |
2533 | static void nfs4_xdr_enc_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, |
2534 | struct nfs4_fsinfo_arg *args) | |
1da177e4 | 2535 | { |
1da177e4 | 2536 | struct compound_hdr hdr = { |
66cc0429 | 2537 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2538 | }; |
1da177e4 | 2539 | |
9f06c719 CL |
2540 | encode_compound_hdr(xdr, req, &hdr); |
2541 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2542 | encode_putfh(xdr, args->fh, &hdr); | |
2543 | encode_fsinfo(xdr, args->bitmask, &hdr); | |
d017931c | 2544 | encode_nops(&hdr); |
1da177e4 LT |
2545 | } |
2546 | ||
2547 | /* | |
2548 | * a PATHCONF request | |
2549 | */ | |
9f06c719 CL |
2550 | static void nfs4_xdr_enc_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, |
2551 | const struct nfs4_pathconf_arg *args) | |
1da177e4 | 2552 | { |
1da177e4 | 2553 | struct compound_hdr hdr = { |
66cc0429 | 2554 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2555 | }; |
1da177e4 | 2556 | |
9f06c719 CL |
2557 | encode_compound_hdr(xdr, req, &hdr); |
2558 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2559 | encode_putfh(xdr, args->fh, &hdr); | |
2560 | encode_getattr_one(xdr, args->bitmask[0] & nfs4_pathconf_bitmap[0], | |
cf8cdbe5 | 2561 | &hdr); |
d017931c | 2562 | encode_nops(&hdr); |
1da177e4 LT |
2563 | } |
2564 | ||
2565 | /* | |
2566 | * a STATFS request | |
2567 | */ | |
9f06c719 CL |
2568 | static void nfs4_xdr_enc_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, |
2569 | const struct nfs4_statfs_arg *args) | |
1da177e4 | 2570 | { |
1da177e4 | 2571 | struct compound_hdr hdr = { |
66cc0429 | 2572 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2573 | }; |
1da177e4 | 2574 | |
9f06c719 CL |
2575 | encode_compound_hdr(xdr, req, &hdr); |
2576 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2577 | encode_putfh(xdr, args->fh, &hdr); | |
2578 | encode_getattr_two(xdr, args->bitmask[0] & nfs4_statfs_bitmap[0], | |
cf8cdbe5 | 2579 | args->bitmask[1] & nfs4_statfs_bitmap[1], &hdr); |
d017931c | 2580 | encode_nops(&hdr); |
1da177e4 LT |
2581 | } |
2582 | ||
2583 | /* | |
2584 | * GETATTR_BITMAP request | |
2585 | */ | |
9f06c719 CL |
2586 | static void nfs4_xdr_enc_server_caps(struct rpc_rqst *req, |
2587 | struct xdr_stream *xdr, | |
2588 | struct nfs4_server_caps_arg *args) | |
1da177e4 | 2589 | { |
1da177e4 | 2590 | struct compound_hdr hdr = { |
66cc0429 | 2591 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2592 | }; |
1da177e4 | 2593 | |
9f06c719 CL |
2594 | encode_compound_hdr(xdr, req, &hdr); |
2595 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2596 | encode_putfh(xdr, args->fhandle, &hdr); | |
2597 | encode_getattr_one(xdr, FATTR4_WORD0_SUPPORTED_ATTRS| | |
264e6351 | 2598 | FATTR4_WORD0_FH_EXPIRE_TYPE| |
cf8cdbe5 AA |
2599 | FATTR4_WORD0_LINK_SUPPORT| |
2600 | FATTR4_WORD0_SYMLINK_SUPPORT| | |
2601 | FATTR4_WORD0_ACLSUPPORT, &hdr); | |
d017931c | 2602 | encode_nops(&hdr); |
1da177e4 LT |
2603 | } |
2604 | ||
2605 | /* | |
2606 | * a RENEW request | |
2607 | */ | |
9f06c719 CL |
2608 | static void nfs4_xdr_enc_renew(struct rpc_rqst *req, struct xdr_stream *xdr, |
2609 | struct nfs_client *clp) | |
1da177e4 | 2610 | { |
1da177e4 | 2611 | struct compound_hdr hdr = { |
d017931c | 2612 | .nops = 0, |
1da177e4 LT |
2613 | }; |
2614 | ||
9f06c719 | 2615 | encode_compound_hdr(xdr, req, &hdr); |
bb4dae5e | 2616 | encode_renew(xdr, clp->cl_clientid, &hdr); |
d017931c | 2617 | encode_nops(&hdr); |
1da177e4 LT |
2618 | } |
2619 | ||
2620 | /* | |
2621 | * a SETCLIENTID request | |
2622 | */ | |
9f06c719 CL |
2623 | static void nfs4_xdr_enc_setclientid(struct rpc_rqst *req, |
2624 | struct xdr_stream *xdr, | |
2625 | struct nfs4_setclientid *sc) | |
1da177e4 | 2626 | { |
1da177e4 | 2627 | struct compound_hdr hdr = { |
d017931c | 2628 | .nops = 0, |
1da177e4 LT |
2629 | }; |
2630 | ||
9f06c719 CL |
2631 | encode_compound_hdr(xdr, req, &hdr); |
2632 | encode_setclientid(xdr, sc, &hdr); | |
d017931c | 2633 | encode_nops(&hdr); |
1da177e4 LT |
2634 | } |
2635 | ||
2636 | /* | |
2637 | * a SETCLIENTID_CONFIRM request | |
2638 | */ | |
9f06c719 CL |
2639 | static void nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, |
2640 | struct xdr_stream *xdr, | |
2641 | struct nfs4_setclientid_res *arg) | |
1da177e4 | 2642 | { |
1da177e4 | 2643 | struct compound_hdr hdr = { |
d017931c | 2644 | .nops = 0, |
1da177e4 | 2645 | }; |
dae100c2 | 2646 | const u32 lease_bitmap[3] = { FATTR4_WORD0_LEASE_TIME }; |
1da177e4 | 2647 | |
9f06c719 CL |
2648 | encode_compound_hdr(xdr, req, &hdr); |
2649 | encode_setclientid_confirm(xdr, arg, &hdr); | |
2650 | encode_putrootfh(xdr, &hdr); | |
2651 | encode_fsinfo(xdr, lease_bitmap, &hdr); | |
d017931c | 2652 | encode_nops(&hdr); |
1da177e4 LT |
2653 | } |
2654 | ||
2655 | /* | |
2656 | * DELEGRETURN request | |
2657 | */ | |
9f06c719 CL |
2658 | static void nfs4_xdr_enc_delegreturn(struct rpc_rqst *req, |
2659 | struct xdr_stream *xdr, | |
2660 | const struct nfs4_delegreturnargs *args) | |
1da177e4 | 2661 | { |
1da177e4 | 2662 | struct compound_hdr hdr = { |
66cc0429 | 2663 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2664 | }; |
1da177e4 | 2665 | |
9f06c719 CL |
2666 | encode_compound_hdr(xdr, req, &hdr); |
2667 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2668 | encode_putfh(xdr, args->fhandle, &hdr); | |
2669 | encode_delegreturn(xdr, args->stateid, &hdr); | |
2670 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2671 | encode_nops(&hdr); |
1da177e4 LT |
2672 | } |
2673 | ||
683b57b4 TM |
2674 | /* |
2675 | * Encode FS_LOCATIONS request | |
2676 | */ | |
9f06c719 CL |
2677 | static void nfs4_xdr_enc_fs_locations(struct rpc_rqst *req, |
2678 | struct xdr_stream *xdr, | |
2679 | struct nfs4_fs_locations_arg *args) | |
683b57b4 | 2680 | { |
683b57b4 | 2681 | struct compound_hdr hdr = { |
66cc0429 | 2682 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
683b57b4 | 2683 | }; |
28f56694 | 2684 | uint32_t replen; |
683b57b4 | 2685 | |
9f06c719 CL |
2686 | encode_compound_hdr(xdr, req, &hdr); |
2687 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2688 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2689 | encode_lookup(xdr, args->name, &hdr); | |
28f56694 | 2690 | replen = hdr.replen; /* get the attribute into args->page */ |
9f06c719 | 2691 | encode_fs_locations(xdr, args->bitmask, &hdr); |
cf8cdbe5 | 2692 | |
28f56694 | 2693 | xdr_inline_pages(&req->rq_rcv_buf, replen << 2, &args->page, |
683b57b4 | 2694 | 0, PAGE_SIZE); |
d017931c | 2695 | encode_nops(&hdr); |
683b57b4 TM |
2696 | } |
2697 | ||
5a5ea0d4 BS |
2698 | /* |
2699 | * Encode SECINFO request | |
2700 | */ | |
2701 | static void nfs4_xdr_enc_secinfo(struct rpc_rqst *req, | |
2702 | struct xdr_stream *xdr, | |
2703 | struct nfs4_secinfo_arg *args) | |
2704 | { | |
2705 | struct compound_hdr hdr = { | |
2706 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2707 | }; | |
2708 | ||
2709 | encode_compound_hdr(xdr, req, &hdr); | |
2710 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2711 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2712 | encode_secinfo(xdr, args->name, &hdr); | |
2713 | encode_nops(&hdr); | |
2714 | } | |
2715 | ||
99fe60d0 BH |
2716 | #if defined(CONFIG_NFS_V4_1) |
2717 | /* | |
2718 | * EXCHANGE_ID request | |
2719 | */ | |
9f06c719 CL |
2720 | static void nfs4_xdr_enc_exchange_id(struct rpc_rqst *req, |
2721 | struct xdr_stream *xdr, | |
2722 | struct nfs41_exchange_id_args *args) | |
99fe60d0 | 2723 | { |
99fe60d0 | 2724 | struct compound_hdr hdr = { |
a4432345 | 2725 | .minorversion = args->client->cl_mvops->minor_version, |
99fe60d0 BH |
2726 | }; |
2727 | ||
9f06c719 CL |
2728 | encode_compound_hdr(xdr, req, &hdr); |
2729 | encode_exchange_id(xdr, args, &hdr); | |
99fe60d0 | 2730 | encode_nops(&hdr); |
99fe60d0 | 2731 | } |
2050f0cc | 2732 | |
fc931582 AA |
2733 | /* |
2734 | * a CREATE_SESSION request | |
2735 | */ | |
9f06c719 CL |
2736 | static void nfs4_xdr_enc_create_session(struct rpc_rqst *req, |
2737 | struct xdr_stream *xdr, | |
2738 | struct nfs41_create_session_args *args) | |
fc931582 | 2739 | { |
fc931582 | 2740 | struct compound_hdr hdr = { |
a4432345 | 2741 | .minorversion = args->client->cl_mvops->minor_version, |
fc931582 AA |
2742 | }; |
2743 | ||
9f06c719 CL |
2744 | encode_compound_hdr(xdr, req, &hdr); |
2745 | encode_create_session(xdr, args, &hdr); | |
fc931582 | 2746 | encode_nops(&hdr); |
fc931582 AA |
2747 | } |
2748 | ||
0f3e66c6 AA |
2749 | /* |
2750 | * a DESTROY_SESSION request | |
2751 | */ | |
9f06c719 CL |
2752 | static void nfs4_xdr_enc_destroy_session(struct rpc_rqst *req, |
2753 | struct xdr_stream *xdr, | |
2754 | struct nfs4_session *session) | |
0f3e66c6 | 2755 | { |
0f3e66c6 | 2756 | struct compound_hdr hdr = { |
a4432345 | 2757 | .minorversion = session->clp->cl_mvops->minor_version, |
0f3e66c6 AA |
2758 | }; |
2759 | ||
9f06c719 CL |
2760 | encode_compound_hdr(xdr, req, &hdr); |
2761 | encode_destroy_session(xdr, session, &hdr); | |
0f3e66c6 | 2762 | encode_nops(&hdr); |
0f3e66c6 AA |
2763 | } |
2764 | ||
fc01cea9 AA |
2765 | /* |
2766 | * a SEQUENCE request | |
2767 | */ | |
9f06c719 CL |
2768 | static void nfs4_xdr_enc_sequence(struct rpc_rqst *req, struct xdr_stream *xdr, |
2769 | struct nfs4_sequence_args *args) | |
fc01cea9 | 2770 | { |
fc01cea9 AA |
2771 | struct compound_hdr hdr = { |
2772 | .minorversion = nfs4_xdr_minorversion(args), | |
2773 | }; | |
2774 | ||
9f06c719 CL |
2775 | encode_compound_hdr(xdr, req, &hdr); |
2776 | encode_sequence(xdr, args, &hdr); | |
fc01cea9 | 2777 | encode_nops(&hdr); |
fc01cea9 AA |
2778 | } |
2779 | ||
2050f0cc AA |
2780 | /* |
2781 | * a GET_LEASE_TIME request | |
2782 | */ | |
9f06c719 CL |
2783 | static void nfs4_xdr_enc_get_lease_time(struct rpc_rqst *req, |
2784 | struct xdr_stream *xdr, | |
2785 | struct nfs4_get_lease_time_args *args) | |
2050f0cc | 2786 | { |
2050f0cc AA |
2787 | struct compound_hdr hdr = { |
2788 | .minorversion = nfs4_xdr_minorversion(&args->la_seq_args), | |
2789 | }; | |
dae100c2 | 2790 | const u32 lease_bitmap[3] = { FATTR4_WORD0_LEASE_TIME }; |
2050f0cc | 2791 | |
9f06c719 CL |
2792 | encode_compound_hdr(xdr, req, &hdr); |
2793 | encode_sequence(xdr, &args->la_seq_args, &hdr); | |
2794 | encode_putrootfh(xdr, &hdr); | |
2795 | encode_fsinfo(xdr, lease_bitmap, &hdr); | |
2050f0cc | 2796 | encode_nops(&hdr); |
2050f0cc | 2797 | } |
18019753 RL |
2798 | |
2799 | /* | |
2800 | * a RECLAIM_COMPLETE request | |
2801 | */ | |
9f06c719 CL |
2802 | static void nfs4_xdr_enc_reclaim_complete(struct rpc_rqst *req, |
2803 | struct xdr_stream *xdr, | |
2804 | struct nfs41_reclaim_complete_args *args) | |
18019753 | 2805 | { |
18019753 RL |
2806 | struct compound_hdr hdr = { |
2807 | .minorversion = nfs4_xdr_minorversion(&args->seq_args) | |
2808 | }; | |
2809 | ||
9f06c719 CL |
2810 | encode_compound_hdr(xdr, req, &hdr); |
2811 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2812 | encode_reclaim_complete(xdr, args, &hdr); | |
18019753 | 2813 | encode_nops(&hdr); |
18019753 RL |
2814 | } |
2815 | ||
7f11d8d3 AA |
2816 | /* |
2817 | * Encode GETDEVICELIST request | |
2818 | */ | |
2819 | static void nfs4_xdr_enc_getdevicelist(struct rpc_rqst *req, | |
2820 | struct xdr_stream *xdr, | |
2821 | struct nfs4_getdevicelist_args *args) | |
2822 | { | |
2823 | struct compound_hdr hdr = { | |
2824 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2825 | }; | |
2826 | ||
2827 | encode_compound_hdr(xdr, req, &hdr); | |
2828 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2829 | encode_putfh(xdr, args->fh, &hdr); | |
2830 | encode_getdevicelist(xdr, args, &hdr); | |
2831 | encode_nops(&hdr); | |
2832 | } | |
2833 | ||
b1f69b75 AA |
2834 | /* |
2835 | * Encode GETDEVICEINFO request | |
2836 | */ | |
9f06c719 CL |
2837 | static void nfs4_xdr_enc_getdeviceinfo(struct rpc_rqst *req, |
2838 | struct xdr_stream *xdr, | |
2839 | struct nfs4_getdeviceinfo_args *args) | |
b1f69b75 | 2840 | { |
b1f69b75 AA |
2841 | struct compound_hdr hdr = { |
2842 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2843 | }; | |
2844 | ||
9f06c719 CL |
2845 | encode_compound_hdr(xdr, req, &hdr); |
2846 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2847 | encode_getdeviceinfo(xdr, args, &hdr); | |
b1f69b75 AA |
2848 | |
2849 | /* set up reply kvec. Subtract notification bitmap max size (2) | |
2850 | * so that notification bitmap is put in xdr_buf tail */ | |
2851 | xdr_inline_pages(&req->rq_rcv_buf, (hdr.replen - 2) << 2, | |
2852 | args->pdev->pages, args->pdev->pgbase, | |
2853 | args->pdev->pglen); | |
2854 | ||
2855 | encode_nops(&hdr); | |
b1f69b75 AA |
2856 | } |
2857 | ||
2858 | /* | |
2859 | * Encode LAYOUTGET request | |
2860 | */ | |
9f06c719 CL |
2861 | static void nfs4_xdr_enc_layoutget(struct rpc_rqst *req, |
2862 | struct xdr_stream *xdr, | |
2863 | struct nfs4_layoutget_args *args) | |
b1f69b75 | 2864 | { |
b1f69b75 AA |
2865 | struct compound_hdr hdr = { |
2866 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2867 | }; | |
2868 | ||
9f06c719 CL |
2869 | encode_compound_hdr(xdr, req, &hdr); |
2870 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2871 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
2872 | encode_layoutget(xdr, args, &hdr); | |
35124a09 WAA |
2873 | |
2874 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, | |
2875 | args->layout.pages, 0, args->layout.pglen); | |
2876 | ||
b1f69b75 | 2877 | encode_nops(&hdr); |
b1f69b75 | 2878 | } |
863a3c6c AA |
2879 | |
2880 | /* | |
2881 | * Encode LAYOUTCOMMIT request | |
2882 | */ | |
cbe82603 BH |
2883 | static void nfs4_xdr_enc_layoutcommit(struct rpc_rqst *req, |
2884 | struct xdr_stream *xdr, | |
2885 | struct nfs4_layoutcommit_args *args) | |
863a3c6c | 2886 | { |
ac7db726 BH |
2887 | struct nfs4_layoutcommit_data *data = |
2888 | container_of(args, struct nfs4_layoutcommit_data, args); | |
863a3c6c AA |
2889 | struct compound_hdr hdr = { |
2890 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2891 | }; | |
2892 | ||
2893 | encode_compound_hdr(xdr, req, &hdr); | |
2894 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2895 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
ac7db726 | 2896 | encode_layoutcommit(xdr, data->args.inode, args, &hdr); |
863a3c6c | 2897 | encode_getfattr(xdr, args->bitmask, &hdr); |
b1f69b75 | 2898 | encode_nops(&hdr); |
cbe82603 BH |
2899 | } |
2900 | ||
2901 | /* | |
2902 | * Encode LAYOUTRETURN request | |
2903 | */ | |
2904 | static void nfs4_xdr_enc_layoutreturn(struct rpc_rqst *req, | |
2905 | struct xdr_stream *xdr, | |
2906 | struct nfs4_layoutreturn_args *args) | |
2907 | { | |
2908 | struct compound_hdr hdr = { | |
2909 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2910 | }; | |
2911 | ||
2912 | encode_compound_hdr(xdr, req, &hdr); | |
2913 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2914 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
2915 | encode_layoutreturn(xdr, args, &hdr); | |
2916 | encode_nops(&hdr); | |
b1f69b75 | 2917 | } |
fca78d6d BS |
2918 | |
2919 | /* | |
2920 | * Encode SECINFO_NO_NAME request | |
2921 | */ | |
2922 | static int nfs4_xdr_enc_secinfo_no_name(struct rpc_rqst *req, | |
2923 | struct xdr_stream *xdr, | |
2924 | struct nfs41_secinfo_no_name_args *args) | |
2925 | { | |
2926 | struct compound_hdr hdr = { | |
2927 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2928 | }; | |
2929 | ||
2930 | encode_compound_hdr(xdr, req, &hdr); | |
2931 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2932 | encode_putrootfh(xdr, &hdr); | |
2933 | encode_secinfo_no_name(xdr, args, &hdr); | |
2934 | encode_nops(&hdr); | |
2935 | return 0; | |
2936 | } | |
7d974794 BS |
2937 | |
2938 | /* | |
2939 | * Encode TEST_STATEID request | |
2940 | */ | |
2941 | static void nfs4_xdr_enc_test_stateid(struct rpc_rqst *req, | |
2942 | struct xdr_stream *xdr, | |
2943 | struct nfs41_test_stateid_args *args) | |
2944 | { | |
2945 | struct compound_hdr hdr = { | |
2946 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2947 | }; | |
2948 | ||
2949 | encode_compound_hdr(xdr, req, &hdr); | |
2950 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2951 | encode_test_stateid(xdr, args, &hdr); | |
2952 | encode_nops(&hdr); | |
2953 | } | |
9aeda35f BS |
2954 | |
2955 | /* | |
2956 | * Encode FREE_STATEID request | |
2957 | */ | |
2958 | static void nfs4_xdr_enc_free_stateid(struct rpc_rqst *req, | |
2959 | struct xdr_stream *xdr, | |
2960 | struct nfs41_free_stateid_args *args) | |
2961 | { | |
2962 | struct compound_hdr hdr = { | |
2963 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2964 | }; | |
2965 | ||
2966 | encode_compound_hdr(xdr, req, &hdr); | |
2967 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2968 | encode_free_stateid(xdr, args, &hdr); | |
2969 | encode_nops(&hdr); | |
2970 | } | |
99fe60d0 BH |
2971 | #endif /* CONFIG_NFS_V4_1 */ |
2972 | ||
686841b3 BH |
2973 | static void print_overflow_msg(const char *func, const struct xdr_stream *xdr) |
2974 | { | |
2975 | dprintk("nfs: %s: prematurely hit end of receive buffer. " | |
2976 | "Remaining buffer length is %tu words.\n", | |
2977 | func, xdr->end - xdr->p); | |
2978 | } | |
1da177e4 | 2979 | |
683b57b4 | 2980 | static int decode_opaque_inline(struct xdr_stream *xdr, unsigned int *len, char **string) |
1da177e4 | 2981 | { |
8687b63a | 2982 | __be32 *p; |
1da177e4 | 2983 | |
c0eae66e BH |
2984 | p = xdr_inline_decode(xdr, 4); |
2985 | if (unlikely(!p)) | |
2986 | goto out_overflow; | |
cccddf4f | 2987 | *len = be32_to_cpup(p); |
c0eae66e BH |
2988 | p = xdr_inline_decode(xdr, *len); |
2989 | if (unlikely(!p)) | |
2990 | goto out_overflow; | |
1da177e4 LT |
2991 | *string = (char *)p; |
2992 | return 0; | |
c0eae66e BH |
2993 | out_overflow: |
2994 | print_overflow_msg(__func__, xdr); | |
2995 | return -EIO; | |
1da177e4 LT |
2996 | } |
2997 | ||
2998 | static int decode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr) | |
2999 | { | |
8687b63a | 3000 | __be32 *p; |
1da177e4 | 3001 | |
c0eae66e BH |
3002 | p = xdr_inline_decode(xdr, 8); |
3003 | if (unlikely(!p)) | |
3004 | goto out_overflow; | |
6f723f77 | 3005 | hdr->status = be32_to_cpup(p++); |
cccddf4f | 3006 | hdr->taglen = be32_to_cpup(p); |
6c0195a4 | 3007 | |
c0eae66e BH |
3008 | p = xdr_inline_decode(xdr, hdr->taglen + 4); |
3009 | if (unlikely(!p)) | |
3010 | goto out_overflow; | |
1da177e4 LT |
3011 | hdr->tag = (char *)p; |
3012 | p += XDR_QUADLEN(hdr->taglen); | |
cccddf4f | 3013 | hdr->nops = be32_to_cpup(p); |
aadf6152 BH |
3014 | if (unlikely(hdr->nops < 1)) |
3015 | return nfs4_stat_to_errno(hdr->status); | |
1da177e4 | 3016 | return 0; |
c0eae66e BH |
3017 | out_overflow: |
3018 | print_overflow_msg(__func__, xdr); | |
3019 | return -EIO; | |
1da177e4 LT |
3020 | } |
3021 | ||
3022 | static int decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected) | |
3023 | { | |
8687b63a | 3024 | __be32 *p; |
1da177e4 LT |
3025 | uint32_t opnum; |
3026 | int32_t nfserr; | |
3027 | ||
c0eae66e BH |
3028 | p = xdr_inline_decode(xdr, 8); |
3029 | if (unlikely(!p)) | |
3030 | goto out_overflow; | |
6f723f77 | 3031 | opnum = be32_to_cpup(p++); |
1da177e4 | 3032 | if (opnum != expected) { |
fe82a183 CL |
3033 | dprintk("nfs: Server returned operation" |
3034 | " %d but we issued a request for %d\n", | |
1da177e4 LT |
3035 | opnum, expected); |
3036 | return -EIO; | |
3037 | } | |
cccddf4f | 3038 | nfserr = be32_to_cpup(p); |
1da177e4 | 3039 | if (nfserr != NFS_OK) |
856dff3d | 3040 | return nfs4_stat_to_errno(nfserr); |
1da177e4 | 3041 | return 0; |
c0eae66e BH |
3042 | out_overflow: |
3043 | print_overflow_msg(__func__, xdr); | |
3044 | return -EIO; | |
1da177e4 LT |
3045 | } |
3046 | ||
3047 | /* Dummy routine */ | |
adfa6f98 | 3048 | static int decode_ace(struct xdr_stream *xdr, void *ace, struct nfs_client *clp) |
1da177e4 | 3049 | { |
8687b63a | 3050 | __be32 *p; |
683b57b4 | 3051 | unsigned int strlen; |
1da177e4 LT |
3052 | char *str; |
3053 | ||
c0eae66e BH |
3054 | p = xdr_inline_decode(xdr, 12); |
3055 | if (likely(p)) | |
3056 | return decode_opaque_inline(xdr, &strlen, &str); | |
3057 | print_overflow_msg(__func__, xdr); | |
3058 | return -EIO; | |
1da177e4 LT |
3059 | } |
3060 | ||
3061 | static int decode_attr_bitmap(struct xdr_stream *xdr, uint32_t *bitmap) | |
3062 | { | |
8687b63a AV |
3063 | uint32_t bmlen; |
3064 | __be32 *p; | |
1da177e4 | 3065 | |
c0eae66e BH |
3066 | p = xdr_inline_decode(xdr, 4); |
3067 | if (unlikely(!p)) | |
3068 | goto out_overflow; | |
cccddf4f | 3069 | bmlen = be32_to_cpup(p); |
1da177e4 | 3070 | |
dae100c2 | 3071 | bitmap[0] = bitmap[1] = bitmap[2] = 0; |
c0eae66e BH |
3072 | p = xdr_inline_decode(xdr, (bmlen << 2)); |
3073 | if (unlikely(!p)) | |
3074 | goto out_overflow; | |
1da177e4 | 3075 | if (bmlen > 0) { |
6f723f77 | 3076 | bitmap[0] = be32_to_cpup(p++); |
dae100c2 FI |
3077 | if (bmlen > 1) { |
3078 | bitmap[1] = be32_to_cpup(p++); | |
3079 | if (bmlen > 2) | |
3080 | bitmap[2] = be32_to_cpup(p); | |
3081 | } | |
1da177e4 LT |
3082 | } |
3083 | return 0; | |
c0eae66e BH |
3084 | out_overflow: |
3085 | print_overflow_msg(__func__, xdr); | |
3086 | return -EIO; | |
1da177e4 LT |
3087 | } |
3088 | ||
8687b63a | 3089 | static inline int decode_attr_length(struct xdr_stream *xdr, uint32_t *attrlen, __be32 **savep) |
1da177e4 | 3090 | { |
8687b63a | 3091 | __be32 *p; |
1da177e4 | 3092 | |
c0eae66e BH |
3093 | p = xdr_inline_decode(xdr, 4); |
3094 | if (unlikely(!p)) | |
3095 | goto out_overflow; | |
cccddf4f | 3096 | *attrlen = be32_to_cpup(p); |
1da177e4 LT |
3097 | *savep = xdr->p; |
3098 | return 0; | |
c0eae66e BH |
3099 | out_overflow: |
3100 | print_overflow_msg(__func__, xdr); | |
3101 | return -EIO; | |
1da177e4 LT |
3102 | } |
3103 | ||
3104 | static int decode_attr_supported(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *bitmask) | |
3105 | { | |
3106 | if (likely(bitmap[0] & FATTR4_WORD0_SUPPORTED_ATTRS)) { | |
3388bff5 RB |
3107 | int ret; |
3108 | ret = decode_attr_bitmap(xdr, bitmask); | |
3109 | if (unlikely(ret < 0)) | |
3110 | return ret; | |
1da177e4 LT |
3111 | bitmap[0] &= ~FATTR4_WORD0_SUPPORTED_ATTRS; |
3112 | } else | |
dae100c2 FI |
3113 | bitmask[0] = bitmask[1] = bitmask[2] = 0; |
3114 | dprintk("%s: bitmask=%08x:%08x:%08x\n", __func__, | |
3115 | bitmask[0], bitmask[1], bitmask[2]); | |
1da177e4 LT |
3116 | return 0; |
3117 | } | |
3118 | ||
3119 | static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *type) | |
3120 | { | |
8687b63a | 3121 | __be32 *p; |
409924e4 | 3122 | int ret = 0; |
1da177e4 LT |
3123 | |
3124 | *type = 0; | |
3125 | if (unlikely(bitmap[0] & (FATTR4_WORD0_TYPE - 1U))) | |
3126 | return -EIO; | |
3127 | if (likely(bitmap[0] & FATTR4_WORD0_TYPE)) { | |
c0eae66e BH |
3128 | p = xdr_inline_decode(xdr, 4); |
3129 | if (unlikely(!p)) | |
3130 | goto out_overflow; | |
cccddf4f | 3131 | *type = be32_to_cpup(p); |
1da177e4 | 3132 | if (*type < NF4REG || *type > NF4NAMEDATTR) { |
3110ff80 | 3133 | dprintk("%s: bad type %d\n", __func__, *type); |
1da177e4 LT |
3134 | return -EIO; |
3135 | } | |
3136 | bitmap[0] &= ~FATTR4_WORD0_TYPE; | |
409924e4 | 3137 | ret = NFS_ATTR_FATTR_TYPE; |
1da177e4 | 3138 | } |
bca79478 | 3139 | dprintk("%s: type=0%o\n", __func__, nfs_type2fmt[*type]); |
409924e4 | 3140 | return ret; |
c0eae66e BH |
3141 | out_overflow: |
3142 | print_overflow_msg(__func__, xdr); | |
3143 | return -EIO; | |
1da177e4 LT |
3144 | } |
3145 | ||
264e6351 CL |
3146 | static int decode_attr_fh_expire_type(struct xdr_stream *xdr, |
3147 | uint32_t *bitmap, uint32_t *type) | |
3148 | { | |
3149 | __be32 *p; | |
3150 | ||
3151 | *type = 0; | |
3152 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FH_EXPIRE_TYPE - 1U))) | |
3153 | return -EIO; | |
3154 | if (likely(bitmap[0] & FATTR4_WORD0_FH_EXPIRE_TYPE)) { | |
3155 | p = xdr_inline_decode(xdr, 4); | |
3156 | if (unlikely(!p)) | |
3157 | goto out_overflow; | |
3158 | *type = be32_to_cpup(p); | |
3159 | bitmap[0] &= ~FATTR4_WORD0_FH_EXPIRE_TYPE; | |
3160 | } | |
3161 | dprintk("%s: expire type=0x%x\n", __func__, *type); | |
3162 | return 0; | |
3163 | out_overflow: | |
3164 | print_overflow_msg(__func__, xdr); | |
3165 | return -EIO; | |
3166 | } | |
3167 | ||
1da177e4 LT |
3168 | static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *change) |
3169 | { | |
8687b63a | 3170 | __be32 *p; |
409924e4 | 3171 | int ret = 0; |
1da177e4 LT |
3172 | |
3173 | *change = 0; | |
3174 | if (unlikely(bitmap[0] & (FATTR4_WORD0_CHANGE - 1U))) | |
3175 | return -EIO; | |
3176 | if (likely(bitmap[0] & FATTR4_WORD0_CHANGE)) { | |
c0eae66e BH |
3177 | p = xdr_inline_decode(xdr, 8); |
3178 | if (unlikely(!p)) | |
3179 | goto out_overflow; | |
cccddf4f | 3180 | xdr_decode_hyper(p, change); |
1da177e4 | 3181 | bitmap[0] &= ~FATTR4_WORD0_CHANGE; |
409924e4 | 3182 | ret = NFS_ATTR_FATTR_CHANGE; |
1da177e4 | 3183 | } |
3110ff80 | 3184 | dprintk("%s: change attribute=%Lu\n", __func__, |
1da177e4 | 3185 | (unsigned long long)*change); |
409924e4 | 3186 | return ret; |
c0eae66e BH |
3187 | out_overflow: |
3188 | print_overflow_msg(__func__, xdr); | |
3189 | return -EIO; | |
1da177e4 LT |
3190 | } |
3191 | ||
3192 | static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *size) | |
3193 | { | |
8687b63a | 3194 | __be32 *p; |
409924e4 | 3195 | int ret = 0; |
1da177e4 LT |
3196 | |
3197 | *size = 0; | |
3198 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SIZE - 1U))) | |
3199 | return -EIO; | |
3200 | if (likely(bitmap[0] & FATTR4_WORD0_SIZE)) { | |
c0eae66e BH |
3201 | p = xdr_inline_decode(xdr, 8); |
3202 | if (unlikely(!p)) | |
3203 | goto out_overflow; | |
cccddf4f | 3204 | xdr_decode_hyper(p, size); |
1da177e4 | 3205 | bitmap[0] &= ~FATTR4_WORD0_SIZE; |
409924e4 | 3206 | ret = NFS_ATTR_FATTR_SIZE; |
1da177e4 | 3207 | } |
3110ff80 | 3208 | dprintk("%s: file size=%Lu\n", __func__, (unsigned long long)*size); |
409924e4 | 3209 | return ret; |
c0eae66e BH |
3210 | out_overflow: |
3211 | print_overflow_msg(__func__, xdr); | |
3212 | return -EIO; | |
1da177e4 LT |
3213 | } |
3214 | ||
3215 | static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3216 | { | |
8687b63a | 3217 | __be32 *p; |
1da177e4 LT |
3218 | |
3219 | *res = 0; | |
3220 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LINK_SUPPORT - 1U))) | |
3221 | return -EIO; | |
3222 | if (likely(bitmap[0] & FATTR4_WORD0_LINK_SUPPORT)) { | |
c0eae66e BH |
3223 | p = xdr_inline_decode(xdr, 4); |
3224 | if (unlikely(!p)) | |
3225 | goto out_overflow; | |
cccddf4f | 3226 | *res = be32_to_cpup(p); |
1da177e4 LT |
3227 | bitmap[0] &= ~FATTR4_WORD0_LINK_SUPPORT; |
3228 | } | |
3110ff80 | 3229 | dprintk("%s: link support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 | 3230 | return 0; |
c0eae66e BH |
3231 | out_overflow: |
3232 | print_overflow_msg(__func__, xdr); | |
3233 | return -EIO; | |
1da177e4 LT |
3234 | } |
3235 | ||
3236 | static int decode_attr_symlink_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3237 | { | |
8687b63a | 3238 | __be32 *p; |
1da177e4 LT |
3239 | |
3240 | *res = 0; | |
3241 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SYMLINK_SUPPORT - 1U))) | |
3242 | return -EIO; | |
3243 | if (likely(bitmap[0] & FATTR4_WORD0_SYMLINK_SUPPORT)) { | |
c0eae66e BH |
3244 | p = xdr_inline_decode(xdr, 4); |
3245 | if (unlikely(!p)) | |
3246 | goto out_overflow; | |
cccddf4f | 3247 | *res = be32_to_cpup(p); |
1da177e4 LT |
3248 | bitmap[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT; |
3249 | } | |
3110ff80 | 3250 | dprintk("%s: symlink support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 | 3251 | return 0; |
c0eae66e BH |
3252 | out_overflow: |
3253 | print_overflow_msg(__func__, xdr); | |
3254 | return -EIO; | |
1da177e4 LT |
3255 | } |
3256 | ||
8b4bdcf8 | 3257 | static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fsid *fsid) |
1da177e4 | 3258 | { |
8687b63a | 3259 | __be32 *p; |
409924e4 | 3260 | int ret = 0; |
1da177e4 LT |
3261 | |
3262 | fsid->major = 0; | |
3263 | fsid->minor = 0; | |
3264 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FSID - 1U))) | |
3265 | return -EIO; | |
3266 | if (likely(bitmap[0] & FATTR4_WORD0_FSID)) { | |
c0eae66e BH |
3267 | p = xdr_inline_decode(xdr, 16); |
3268 | if (unlikely(!p)) | |
3269 | goto out_overflow; | |
3ceb4dbb | 3270 | p = xdr_decode_hyper(p, &fsid->major); |
cccddf4f | 3271 | xdr_decode_hyper(p, &fsid->minor); |
1da177e4 | 3272 | bitmap[0] &= ~FATTR4_WORD0_FSID; |
409924e4 | 3273 | ret = NFS_ATTR_FATTR_FSID; |
1da177e4 | 3274 | } |
3110ff80 | 3275 | dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __func__, |
1da177e4 LT |
3276 | (unsigned long long)fsid->major, |
3277 | (unsigned long long)fsid->minor); | |
409924e4 | 3278 | return ret; |
c0eae66e BH |
3279 | out_overflow: |
3280 | print_overflow_msg(__func__, xdr); | |
3281 | return -EIO; | |
1da177e4 LT |
3282 | } |
3283 | ||
3284 | static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3285 | { | |
8687b63a | 3286 | __be32 *p; |
1da177e4 LT |
3287 | |
3288 | *res = 60; | |
3289 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LEASE_TIME - 1U))) | |
3290 | return -EIO; | |
3291 | if (likely(bitmap[0] & FATTR4_WORD0_LEASE_TIME)) { | |
c0eae66e BH |
3292 | p = xdr_inline_decode(xdr, 4); |
3293 | if (unlikely(!p)) | |
3294 | goto out_overflow; | |
cccddf4f | 3295 | *res = be32_to_cpup(p); |
1da177e4 LT |
3296 | bitmap[0] &= ~FATTR4_WORD0_LEASE_TIME; |
3297 | } | |
3110ff80 | 3298 | dprintk("%s: file size=%u\n", __func__, (unsigned int)*res); |
1da177e4 | 3299 | return 0; |
c0eae66e BH |
3300 | out_overflow: |
3301 | print_overflow_msg(__func__, xdr); | |
3302 | return -EIO; | |
1da177e4 LT |
3303 | } |
3304 | ||
ee7b75fc | 3305 | static int decode_attr_error(struct xdr_stream *xdr, uint32_t *bitmap, int32_t *res) |
ae42c70a BS |
3306 | { |
3307 | __be32 *p; | |
3308 | ||
3309 | if (unlikely(bitmap[0] & (FATTR4_WORD0_RDATTR_ERROR - 1U))) | |
3310 | return -EIO; | |
3311 | if (likely(bitmap[0] & FATTR4_WORD0_RDATTR_ERROR)) { | |
3312 | p = xdr_inline_decode(xdr, 4); | |
3313 | if (unlikely(!p)) | |
3314 | goto out_overflow; | |
3315 | bitmap[0] &= ~FATTR4_WORD0_RDATTR_ERROR; | |
ee7b75fc | 3316 | *res = -be32_to_cpup(p); |
ae42c70a BS |
3317 | } |
3318 | return 0; | |
3319 | out_overflow: | |
3320 | print_overflow_msg(__func__, xdr); | |
3321 | return -EIO; | |
3322 | } | |
3323 | ||
3324 | static int decode_attr_filehandle(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fh *fh) | |
3325 | { | |
3326 | __be32 *p; | |
3327 | int len; | |
3328 | ||
7ad07353 TM |
3329 | if (fh != NULL) |
3330 | memset(fh, 0, sizeof(*fh)); | |
ae42c70a BS |
3331 | |
3332 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEHANDLE - 1U))) | |
3333 | return -EIO; | |
3334 | if (likely(bitmap[0] & FATTR4_WORD0_FILEHANDLE)) { | |
3335 | p = xdr_inline_decode(xdr, 4); | |
3336 | if (unlikely(!p)) | |
3337 | goto out_overflow; | |
3338 | len = be32_to_cpup(p); | |
3339 | if (len > NFS4_FHSIZE) | |
3340 | return -EIO; | |
ae42c70a BS |
3341 | p = xdr_inline_decode(xdr, len); |
3342 | if (unlikely(!p)) | |
3343 | goto out_overflow; | |
7ad07353 TM |
3344 | if (fh != NULL) { |
3345 | memcpy(fh->data, p, len); | |
3346 | fh->size = len; | |
3347 | } | |
ae42c70a BS |
3348 | bitmap[0] &= ~FATTR4_WORD0_FILEHANDLE; |
3349 | } | |
3350 | return 0; | |
3351 | out_overflow: | |
3352 | print_overflow_msg(__func__, xdr); | |
3353 | return -EIO; | |
3354 | } | |
3355 | ||
1da177e4 LT |
3356 | static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) |
3357 | { | |
8687b63a | 3358 | __be32 *p; |
1da177e4 LT |
3359 | |
3360 | *res = ACL4_SUPPORT_ALLOW_ACL|ACL4_SUPPORT_DENY_ACL; | |
3361 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACLSUPPORT - 1U))) | |
3362 | return -EIO; | |
3363 | if (likely(bitmap[0] & FATTR4_WORD0_ACLSUPPORT)) { | |
c0eae66e BH |
3364 | p = xdr_inline_decode(xdr, 4); |
3365 | if (unlikely(!p)) | |
3366 | goto out_overflow; | |
cccddf4f | 3367 | *res = be32_to_cpup(p); |
1da177e4 LT |
3368 | bitmap[0] &= ~FATTR4_WORD0_ACLSUPPORT; |
3369 | } | |
3110ff80 | 3370 | dprintk("%s: ACLs supported=%u\n", __func__, (unsigned int)*res); |
1da177e4 | 3371 | return 0; |
c0eae66e BH |
3372 | out_overflow: |
3373 | print_overflow_msg(__func__, xdr); | |
3374 | return -EIO; | |
1da177e4 LT |
3375 | } |
3376 | ||
3377 | static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) | |
3378 | { | |
8687b63a | 3379 | __be32 *p; |
409924e4 | 3380 | int ret = 0; |
1da177e4 LT |
3381 | |
3382 | *fileid = 0; | |
3383 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEID - 1U))) | |
3384 | return -EIO; | |
3385 | if (likely(bitmap[0] & FATTR4_WORD0_FILEID)) { | |
c0eae66e BH |
3386 | p = xdr_inline_decode(xdr, 8); |
3387 | if (unlikely(!p)) | |
3388 | goto out_overflow; | |
cccddf4f | 3389 | xdr_decode_hyper(p, fileid); |
1da177e4 | 3390 | bitmap[0] &= ~FATTR4_WORD0_FILEID; |
409924e4 | 3391 | ret = NFS_ATTR_FATTR_FILEID; |
1da177e4 | 3392 | } |
3110ff80 | 3393 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
409924e4 | 3394 | return ret; |
c0eae66e BH |
3395 | out_overflow: |
3396 | print_overflow_msg(__func__, xdr); | |
3397 | return -EIO; | |
1da177e4 LT |
3398 | } |
3399 | ||
99baf625 MN |
3400 | static int decode_attr_mounted_on_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) |
3401 | { | |
8687b63a | 3402 | __be32 *p; |
409924e4 | 3403 | int ret = 0; |
99baf625 MN |
3404 | |
3405 | *fileid = 0; | |
3406 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MOUNTED_ON_FILEID - 1U))) | |
3407 | return -EIO; | |
3408 | if (likely(bitmap[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) { | |
c0eae66e BH |
3409 | p = xdr_inline_decode(xdr, 8); |
3410 | if (unlikely(!p)) | |
3411 | goto out_overflow; | |
cccddf4f | 3412 | xdr_decode_hyper(p, fileid); |
99baf625 | 3413 | bitmap[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID; |
28331a46 | 3414 | ret = NFS_ATTR_FATTR_MOUNTED_ON_FILEID; |
99baf625 | 3415 | } |
3110ff80 | 3416 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
409924e4 | 3417 | return ret; |
c0eae66e BH |
3418 | out_overflow: |
3419 | print_overflow_msg(__func__, xdr); | |
3420 | return -EIO; | |
99baf625 MN |
3421 | } |
3422 | ||
1da177e4 LT |
3423 | static int decode_attr_files_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
3424 | { | |
8687b63a | 3425 | __be32 *p; |
1da177e4 LT |
3426 | int status = 0; |
3427 | ||
3428 | *res = 0; | |
3429 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_AVAIL - 1U))) | |
3430 | return -EIO; | |
3431 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_AVAIL)) { | |
c0eae66e BH |
3432 | p = xdr_inline_decode(xdr, 8); |
3433 | if (unlikely(!p)) | |
3434 | goto out_overflow; | |
cccddf4f | 3435 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3436 | bitmap[0] &= ~FATTR4_WORD0_FILES_AVAIL; |
3437 | } | |
3110ff80 | 3438 | dprintk("%s: files avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3439 | return status; |
c0eae66e BH |
3440 | out_overflow: |
3441 | print_overflow_msg(__func__, xdr); | |
3442 | return -EIO; | |
1da177e4 LT |
3443 | } |
3444 | ||
3445 | static int decode_attr_files_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3446 | { | |
8687b63a | 3447 | __be32 *p; |
1da177e4 LT |
3448 | int status = 0; |
3449 | ||
3450 | *res = 0; | |
3451 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_FREE - 1U))) | |
3452 | return -EIO; | |
3453 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_FREE)) { | |
c0eae66e BH |
3454 | p = xdr_inline_decode(xdr, 8); |
3455 | if (unlikely(!p)) | |
3456 | goto out_overflow; | |
cccddf4f | 3457 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3458 | bitmap[0] &= ~FATTR4_WORD0_FILES_FREE; |
3459 | } | |
3110ff80 | 3460 | dprintk("%s: files free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3461 | return status; |
c0eae66e BH |
3462 | out_overflow: |
3463 | print_overflow_msg(__func__, xdr); | |
3464 | return -EIO; | |
1da177e4 LT |
3465 | } |
3466 | ||
3467 | static int decode_attr_files_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3468 | { | |
8687b63a | 3469 | __be32 *p; |
1da177e4 LT |
3470 | int status = 0; |
3471 | ||
3472 | *res = 0; | |
3473 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_TOTAL - 1U))) | |
3474 | return -EIO; | |
3475 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_TOTAL)) { | |
c0eae66e BH |
3476 | p = xdr_inline_decode(xdr, 8); |
3477 | if (unlikely(!p)) | |
3478 | goto out_overflow; | |
cccddf4f | 3479 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3480 | bitmap[0] &= ~FATTR4_WORD0_FILES_TOTAL; |
3481 | } | |
3110ff80 | 3482 | dprintk("%s: files total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3483 | return status; |
c0eae66e BH |
3484 | out_overflow: |
3485 | print_overflow_msg(__func__, xdr); | |
3486 | return -EIO; | |
1da177e4 LT |
3487 | } |
3488 | ||
7aaa0b3b MN |
3489 | static int decode_pathname(struct xdr_stream *xdr, struct nfs4_pathname *path) |
3490 | { | |
464ad6b1 | 3491 | u32 n; |
8687b63a | 3492 | __be32 *p; |
7aaa0b3b MN |
3493 | int status = 0; |
3494 | ||
c0eae66e BH |
3495 | p = xdr_inline_decode(xdr, 4); |
3496 | if (unlikely(!p)) | |
3497 | goto out_overflow; | |
cccddf4f | 3498 | n = be32_to_cpup(p); |
33a43f28 AA |
3499 | if (n == 0) |
3500 | goto root_path; | |
02a2976c | 3501 | dprintk("pathname4: "); |
7aaa0b3b MN |
3502 | path->ncomponents = 0; |
3503 | while (path->ncomponents < n) { | |
3504 | struct nfs4_string *component = &path->components[path->ncomponents]; | |
3505 | status = decode_opaque_inline(xdr, &component->len, &component->data); | |
3506 | if (unlikely(status != 0)) | |
3507 | goto out_eio; | |
02a2976c CL |
3508 | if (unlikely(nfs_debug & NFSDBG_XDR)) |
3509 | pr_cont("%s%.*s ", | |
3510 | (path->ncomponents != n ? "/ " : ""), | |
3511 | component->len, component->data); | |
7aaa0b3b MN |
3512 | if (path->ncomponents < NFS4_PATHNAME_MAXCOMPONENTS) |
3513 | path->ncomponents++; | |
3514 | else { | |
3515 | dprintk("cannot parse %d components in path\n", n); | |
3516 | goto out_eio; | |
3517 | } | |
3518 | } | |
3519 | out: | |
7aaa0b3b | 3520 | return status; |
33a43f28 AA |
3521 | root_path: |
3522 | /* a root pathname is sent as a zero component4 */ | |
3523 | path->ncomponents = 1; | |
3524 | path->components[0].len=0; | |
3525 | path->components[0].data=NULL; | |
02a2976c | 3526 | dprintk("pathname4: /\n"); |
33a43f28 | 3527 | goto out; |
7aaa0b3b MN |
3528 | out_eio: |
3529 | dprintk(" status %d", status); | |
3530 | status = -EIO; | |
3531 | goto out; | |
c0eae66e BH |
3532 | out_overflow: |
3533 | print_overflow_msg(__func__, xdr); | |
3534 | return -EIO; | |
7aaa0b3b MN |
3535 | } |
3536 | ||
3537 | static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_fs_locations *res) | |
683b57b4 TM |
3538 | { |
3539 | int n; | |
8687b63a | 3540 | __be32 *p; |
683b57b4 TM |
3541 | int status = -EIO; |
3542 | ||
3543 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FS_LOCATIONS -1U))) | |
3544 | goto out; | |
3545 | status = 0; | |
3546 | if (unlikely(!(bitmap[0] & FATTR4_WORD0_FS_LOCATIONS))) | |
3547 | goto out; | |
8b7e3f49 TM |
3548 | status = -EIO; |
3549 | /* Ignore borken servers that return unrequested attrs */ | |
3550 | if (unlikely(res == NULL)) | |
3551 | goto out; | |
02a2976c | 3552 | dprintk("%s: fsroot:\n", __func__); |
7aaa0b3b | 3553 | status = decode_pathname(xdr, &res->fs_path); |
683b57b4 TM |
3554 | if (unlikely(status != 0)) |
3555 | goto out; | |
c0eae66e BH |
3556 | p = xdr_inline_decode(xdr, 4); |
3557 | if (unlikely(!p)) | |
3558 | goto out_overflow; | |
cccddf4f | 3559 | n = be32_to_cpup(p); |
683b57b4 TM |
3560 | if (n <= 0) |
3561 | goto out_eio; | |
3562 | res->nlocations = 0; | |
3563 | while (res->nlocations < n) { | |
464ad6b1 | 3564 | u32 m; |
7aaa0b3b | 3565 | struct nfs4_fs_location *loc = &res->locations[res->nlocations]; |
683b57b4 | 3566 | |
c0eae66e BH |
3567 | p = xdr_inline_decode(xdr, 4); |
3568 | if (unlikely(!p)) | |
3569 | goto out_overflow; | |
cccddf4f | 3570 | m = be32_to_cpup(p); |
7aaa0b3b MN |
3571 | |
3572 | loc->nservers = 0; | |
02a2976c | 3573 | dprintk("%s: servers:\n", __func__); |
7aaa0b3b MN |
3574 | while (loc->nservers < m) { |
3575 | struct nfs4_string *server = &loc->servers[loc->nservers]; | |
3576 | status = decode_opaque_inline(xdr, &server->len, &server->data); | |
3577 | if (unlikely(status != 0)) | |
3578 | goto out_eio; | |
3579 | dprintk("%s ", server->data); | |
3580 | if (loc->nservers < NFS4_FS_LOCATION_MAXSERVERS) | |
3581 | loc->nservers++; | |
3582 | else { | |
464ad6b1 CL |
3583 | unsigned int i; |
3584 | dprintk("%s: using first %u of %u servers " | |
3585 | "returned for location %u\n", | |
3110ff80 | 3586 | __func__, |
464ad6b1 CL |
3587 | NFS4_FS_LOCATION_MAXSERVERS, |
3588 | m, res->nlocations); | |
7aaa0b3b | 3589 | for (i = loc->nservers; i < m; i++) { |
2e42c3e2 | 3590 | unsigned int len; |
7aaa0b3b MN |
3591 | char *data; |
3592 | status = decode_opaque_inline(xdr, &len, &data); | |
3593 | if (unlikely(status != 0)) | |
3594 | goto out_eio; | |
3595 | } | |
3596 | } | |
3597 | } | |
3598 | status = decode_pathname(xdr, &loc->rootpath); | |
683b57b4 TM |
3599 | if (unlikely(status != 0)) |
3600 | goto out_eio; | |
7aaa0b3b | 3601 | if (res->nlocations < NFS4_FS_LOCATIONS_MAXENTRIES) |
683b57b4 TM |
3602 | res->nlocations++; |
3603 | } | |
409924e4 | 3604 | if (res->nlocations != 0) |
81934ddb | 3605 | status = NFS_ATTR_FATTR_V4_LOCATIONS; |
683b57b4 | 3606 | out: |
3110ff80 | 3607 | dprintk("%s: fs_locations done, error = %d\n", __func__, status); |
683b57b4 | 3608 | return status; |
c0eae66e BH |
3609 | out_overflow: |
3610 | print_overflow_msg(__func__, xdr); | |
683b57b4 TM |
3611 | out_eio: |
3612 | status = -EIO; | |
3613 | goto out; | |
3614 | } | |
3615 | ||
1da177e4 LT |
3616 | static int decode_attr_maxfilesize(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
3617 | { | |
8687b63a | 3618 | __be32 *p; |
1da177e4 LT |
3619 | int status = 0; |
3620 | ||
3621 | *res = 0; | |
3622 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXFILESIZE - 1U))) | |
3623 | return -EIO; | |
3624 | if (likely(bitmap[0] & FATTR4_WORD0_MAXFILESIZE)) { | |
c0eae66e BH |
3625 | p = xdr_inline_decode(xdr, 8); |
3626 | if (unlikely(!p)) | |
3627 | goto out_overflow; | |
cccddf4f | 3628 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3629 | bitmap[0] &= ~FATTR4_WORD0_MAXFILESIZE; |
3630 | } | |
3110ff80 | 3631 | dprintk("%s: maxfilesize=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3632 | return status; |
c0eae66e BH |
3633 | out_overflow: |
3634 | print_overflow_msg(__func__, xdr); | |
3635 | return -EIO; | |
1da177e4 LT |
3636 | } |
3637 | ||
3638 | static int decode_attr_maxlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxlink) | |
3639 | { | |
8687b63a | 3640 | __be32 *p; |
1da177e4 LT |
3641 | int status = 0; |
3642 | ||
3643 | *maxlink = 1; | |
3644 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXLINK - 1U))) | |
3645 | return -EIO; | |
3646 | if (likely(bitmap[0] & FATTR4_WORD0_MAXLINK)) { | |
c0eae66e BH |
3647 | p = xdr_inline_decode(xdr, 4); |
3648 | if (unlikely(!p)) | |
3649 | goto out_overflow; | |
cccddf4f | 3650 | *maxlink = be32_to_cpup(p); |
1da177e4 LT |
3651 | bitmap[0] &= ~FATTR4_WORD0_MAXLINK; |
3652 | } | |
3110ff80 | 3653 | dprintk("%s: maxlink=%u\n", __func__, *maxlink); |
1da177e4 | 3654 | return status; |
c0eae66e BH |
3655 | out_overflow: |
3656 | print_overflow_msg(__func__, xdr); | |
3657 | return -EIO; | |
1da177e4 LT |
3658 | } |
3659 | ||
3660 | static int decode_attr_maxname(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxname) | |
3661 | { | |
8687b63a | 3662 | __be32 *p; |
1da177e4 LT |
3663 | int status = 0; |
3664 | ||
3665 | *maxname = 1024; | |
3666 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXNAME - 1U))) | |
3667 | return -EIO; | |
3668 | if (likely(bitmap[0] & FATTR4_WORD0_MAXNAME)) { | |
c0eae66e BH |
3669 | p = xdr_inline_decode(xdr, 4); |
3670 | if (unlikely(!p)) | |
3671 | goto out_overflow; | |
cccddf4f | 3672 | *maxname = be32_to_cpup(p); |
1da177e4 LT |
3673 | bitmap[0] &= ~FATTR4_WORD0_MAXNAME; |
3674 | } | |
3110ff80 | 3675 | dprintk("%s: maxname=%u\n", __func__, *maxname); |
1da177e4 | 3676 | return status; |
c0eae66e BH |
3677 | out_overflow: |
3678 | print_overflow_msg(__func__, xdr); | |
3679 | return -EIO; | |
1da177e4 LT |
3680 | } |
3681 | ||
3682 | static int decode_attr_maxread(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3683 | { | |
8687b63a | 3684 | __be32 *p; |
1da177e4 LT |
3685 | int status = 0; |
3686 | ||
3687 | *res = 1024; | |
3688 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXREAD - 1U))) | |
3689 | return -EIO; | |
3690 | if (likely(bitmap[0] & FATTR4_WORD0_MAXREAD)) { | |
3691 | uint64_t maxread; | |
c0eae66e BH |
3692 | p = xdr_inline_decode(xdr, 8); |
3693 | if (unlikely(!p)) | |
3694 | goto out_overflow; | |
cccddf4f | 3695 | xdr_decode_hyper(p, &maxread); |
1da177e4 LT |
3696 | if (maxread > 0x7FFFFFFF) |
3697 | maxread = 0x7FFFFFFF; | |
3698 | *res = (uint32_t)maxread; | |
3699 | bitmap[0] &= ~FATTR4_WORD0_MAXREAD; | |
3700 | } | |
3110ff80 | 3701 | dprintk("%s: maxread=%lu\n", __func__, (unsigned long)*res); |
1da177e4 | 3702 | return status; |
c0eae66e BH |
3703 | out_overflow: |
3704 | print_overflow_msg(__func__, xdr); | |
3705 | return -EIO; | |
1da177e4 LT |
3706 | } |
3707 | ||
3708 | static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3709 | { | |
8687b63a | 3710 | __be32 *p; |
1da177e4 LT |
3711 | int status = 0; |
3712 | ||
3713 | *res = 1024; | |
3714 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXWRITE - 1U))) | |
3715 | return -EIO; | |
3716 | if (likely(bitmap[0] & FATTR4_WORD0_MAXWRITE)) { | |
3717 | uint64_t maxwrite; | |
c0eae66e BH |
3718 | p = xdr_inline_decode(xdr, 8); |
3719 | if (unlikely(!p)) | |
3720 | goto out_overflow; | |
cccddf4f | 3721 | xdr_decode_hyper(p, &maxwrite); |
1da177e4 LT |
3722 | if (maxwrite > 0x7FFFFFFF) |
3723 | maxwrite = 0x7FFFFFFF; | |
3724 | *res = (uint32_t)maxwrite; | |
3725 | bitmap[0] &= ~FATTR4_WORD0_MAXWRITE; | |
3726 | } | |
3110ff80 | 3727 | dprintk("%s: maxwrite=%lu\n", __func__, (unsigned long)*res); |
1da177e4 | 3728 | return status; |
c0eae66e BH |
3729 | out_overflow: |
3730 | print_overflow_msg(__func__, xdr); | |
3731 | return -EIO; | |
1da177e4 LT |
3732 | } |
3733 | ||
bca79478 | 3734 | static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, umode_t *mode) |
1da177e4 | 3735 | { |
bca79478 | 3736 | uint32_t tmp; |
8687b63a | 3737 | __be32 *p; |
409924e4 | 3738 | int ret = 0; |
1da177e4 LT |
3739 | |
3740 | *mode = 0; | |
3741 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MODE - 1U))) | |
3742 | return -EIO; | |
3743 | if (likely(bitmap[1] & FATTR4_WORD1_MODE)) { | |
c0eae66e BH |
3744 | p = xdr_inline_decode(xdr, 4); |
3745 | if (unlikely(!p)) | |
3746 | goto out_overflow; | |
cccddf4f | 3747 | tmp = be32_to_cpup(p); |
bca79478 | 3748 | *mode = tmp & ~S_IFMT; |
1da177e4 | 3749 | bitmap[1] &= ~FATTR4_WORD1_MODE; |
409924e4 | 3750 | ret = NFS_ATTR_FATTR_MODE; |
1da177e4 | 3751 | } |
3110ff80 | 3752 | dprintk("%s: file mode=0%o\n", __func__, (unsigned int)*mode); |
409924e4 | 3753 | return ret; |
c0eae66e BH |
3754 | out_overflow: |
3755 | print_overflow_msg(__func__, xdr); | |
3756 | return -EIO; | |
1da177e4 LT |
3757 | } |
3758 | ||
3759 | static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *nlink) | |
3760 | { | |
8687b63a | 3761 | __be32 *p; |
409924e4 | 3762 | int ret = 0; |
1da177e4 LT |
3763 | |
3764 | *nlink = 1; | |
3765 | if (unlikely(bitmap[1] & (FATTR4_WORD1_NUMLINKS - 1U))) | |
3766 | return -EIO; | |
3767 | if (likely(bitmap[1] & FATTR4_WORD1_NUMLINKS)) { | |
c0eae66e BH |
3768 | p = xdr_inline_decode(xdr, 4); |
3769 | if (unlikely(!p)) | |
3770 | goto out_overflow; | |
cccddf4f | 3771 | *nlink = be32_to_cpup(p); |
1da177e4 | 3772 | bitmap[1] &= ~FATTR4_WORD1_NUMLINKS; |
409924e4 | 3773 | ret = NFS_ATTR_FATTR_NLINK; |
1da177e4 | 3774 | } |
3110ff80 | 3775 | dprintk("%s: nlink=%u\n", __func__, (unsigned int)*nlink); |
409924e4 | 3776 | return ret; |
c0eae66e BH |
3777 | out_overflow: |
3778 | print_overflow_msg(__func__, xdr); | |
3779 | return -EIO; | |
1da177e4 LT |
3780 | } |
3781 | ||
80e52ace | 3782 | static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, |
6926afd1 TM |
3783 | const struct nfs_server *server, uint32_t *uid, |
3784 | struct nfs4_string *owner_name) | |
1da177e4 | 3785 | { |
8687b63a AV |
3786 | uint32_t len; |
3787 | __be32 *p; | |
409924e4 | 3788 | int ret = 0; |
1da177e4 LT |
3789 | |
3790 | *uid = -2; | |
3791 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER - 1U))) | |
3792 | return -EIO; | |
3793 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER)) { | |
c0eae66e BH |
3794 | p = xdr_inline_decode(xdr, 4); |
3795 | if (unlikely(!p)) | |
3796 | goto out_overflow; | |
cccddf4f | 3797 | len = be32_to_cpup(p); |
c0eae66e BH |
3798 | p = xdr_inline_decode(xdr, len); |
3799 | if (unlikely(!p)) | |
3800 | goto out_overflow; | |
6926afd1 TM |
3801 | if (owner_name != NULL) { |
3802 | owner_name->data = kmemdup(p, len, GFP_NOWAIT); | |
3803 | if (owner_name->data != NULL) { | |
3804 | owner_name->len = len; | |
3805 | ret = NFS_ATTR_FATTR_OWNER_NAME; | |
3806 | } | |
80e52ace | 3807 | } else if (len < XDR_MAX_NETOBJ) { |
e4fd72a1 | 3808 | if (nfs_map_name_to_uid(server, (char *)p, len, uid) == 0) |
409924e4 TM |
3809 | ret = NFS_ATTR_FATTR_OWNER; |
3810 | else | |
1da177e4 | 3811 | dprintk("%s: nfs_map_name_to_uid failed!\n", |
3110ff80 | 3812 | __func__); |
1da177e4 | 3813 | } else |
fe82a183 | 3814 | dprintk("%s: name too long (%u)!\n", |
3110ff80 | 3815 | __func__, len); |
1da177e4 LT |
3816 | bitmap[1] &= ~FATTR4_WORD1_OWNER; |
3817 | } | |
3110ff80 | 3818 | dprintk("%s: uid=%d\n", __func__, (int)*uid); |
409924e4 | 3819 | return ret; |
c0eae66e BH |
3820 | out_overflow: |
3821 | print_overflow_msg(__func__, xdr); | |
3822 | return -EIO; | |
1da177e4 LT |
3823 | } |
3824 | ||
80e52ace | 3825 | static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, |
6926afd1 TM |
3826 | const struct nfs_server *server, uint32_t *gid, |
3827 | struct nfs4_string *group_name) | |
1da177e4 | 3828 | { |
8687b63a AV |
3829 | uint32_t len; |
3830 | __be32 *p; | |
409924e4 | 3831 | int ret = 0; |
1da177e4 LT |
3832 | |
3833 | *gid = -2; | |
3834 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER_GROUP - 1U))) | |
3835 | return -EIO; | |
3836 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER_GROUP)) { | |
c0eae66e BH |
3837 | p = xdr_inline_decode(xdr, 4); |
3838 | if (unlikely(!p)) | |
3839 | goto out_overflow; | |
cccddf4f | 3840 | len = be32_to_cpup(p); |
c0eae66e BH |
3841 | p = xdr_inline_decode(xdr, len); |
3842 | if (unlikely(!p)) | |
3843 | goto out_overflow; | |
6926afd1 TM |
3844 | if (group_name != NULL) { |
3845 | group_name->data = kmemdup(p, len, GFP_NOWAIT); | |
3846 | if (group_name->data != NULL) { | |
3847 | group_name->len = len; | |
3848 | ret = NFS_ATTR_FATTR_GROUP_NAME; | |
3849 | } | |
80e52ace | 3850 | } else if (len < XDR_MAX_NETOBJ) { |
e4fd72a1 | 3851 | if (nfs_map_group_to_gid(server, (char *)p, len, gid) == 0) |
409924e4 TM |
3852 | ret = NFS_ATTR_FATTR_GROUP; |
3853 | else | |
1da177e4 | 3854 | dprintk("%s: nfs_map_group_to_gid failed!\n", |
3110ff80 | 3855 | __func__); |
1da177e4 | 3856 | } else |
fe82a183 | 3857 | dprintk("%s: name too long (%u)!\n", |
3110ff80 | 3858 | __func__, len); |
1da177e4 LT |
3859 | bitmap[1] &= ~FATTR4_WORD1_OWNER_GROUP; |
3860 | } | |
3110ff80 | 3861 | dprintk("%s: gid=%d\n", __func__, (int)*gid); |
409924e4 | 3862 | return ret; |
c0eae66e BH |
3863 | out_overflow: |
3864 | print_overflow_msg(__func__, xdr); | |
3865 | return -EIO; | |
1da177e4 LT |
3866 | } |
3867 | ||
3868 | static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rdev) | |
3869 | { | |
8687b63a AV |
3870 | uint32_t major = 0, minor = 0; |
3871 | __be32 *p; | |
409924e4 | 3872 | int ret = 0; |
1da177e4 LT |
3873 | |
3874 | *rdev = MKDEV(0,0); | |
3875 | if (unlikely(bitmap[1] & (FATTR4_WORD1_RAWDEV - 1U))) | |
3876 | return -EIO; | |
3877 | if (likely(bitmap[1] & FATTR4_WORD1_RAWDEV)) { | |
3878 | dev_t tmp; | |
3879 | ||
c0eae66e BH |
3880 | p = xdr_inline_decode(xdr, 8); |
3881 | if (unlikely(!p)) | |
3882 | goto out_overflow; | |
6f723f77 | 3883 | major = be32_to_cpup(p++); |
cccddf4f | 3884 | minor = be32_to_cpup(p); |
1da177e4 LT |
3885 | tmp = MKDEV(major, minor); |
3886 | if (MAJOR(tmp) == major && MINOR(tmp) == minor) | |
3887 | *rdev = tmp; | |
3888 | bitmap[1] &= ~ FATTR4_WORD1_RAWDEV; | |
409924e4 | 3889 | ret = NFS_ATTR_FATTR_RDEV; |
1da177e4 | 3890 | } |
3110ff80 | 3891 | dprintk("%s: rdev=(0x%x:0x%x)\n", __func__, major, minor); |
409924e4 | 3892 | return ret; |
c0eae66e BH |
3893 | out_overflow: |
3894 | print_overflow_msg(__func__, xdr); | |
3895 | return -EIO; | |
1da177e4 LT |
3896 | } |
3897 | ||
3898 | static int decode_attr_space_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3899 | { | |
8687b63a | 3900 | __be32 *p; |
1da177e4 LT |
3901 | int status = 0; |
3902 | ||
3903 | *res = 0; | |
3904 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_AVAIL - 1U))) | |
3905 | return -EIO; | |
3906 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_AVAIL)) { | |
c0eae66e BH |
3907 | p = xdr_inline_decode(xdr, 8); |
3908 | if (unlikely(!p)) | |
3909 | goto out_overflow; | |
cccddf4f | 3910 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3911 | bitmap[1] &= ~FATTR4_WORD1_SPACE_AVAIL; |
3912 | } | |
3110ff80 | 3913 | dprintk("%s: space avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3914 | return status; |
c0eae66e BH |
3915 | out_overflow: |
3916 | print_overflow_msg(__func__, xdr); | |
3917 | return -EIO; | |
1da177e4 LT |
3918 | } |
3919 | ||
3920 | static int decode_attr_space_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3921 | { | |
8687b63a | 3922 | __be32 *p; |
1da177e4 LT |
3923 | int status = 0; |
3924 | ||
3925 | *res = 0; | |
3926 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_FREE - 1U))) | |
3927 | return -EIO; | |
3928 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_FREE)) { | |
c0eae66e BH |
3929 | p = xdr_inline_decode(xdr, 8); |
3930 | if (unlikely(!p)) | |
3931 | goto out_overflow; | |
cccddf4f | 3932 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3933 | bitmap[1] &= ~FATTR4_WORD1_SPACE_FREE; |
3934 | } | |
3110ff80 | 3935 | dprintk("%s: space free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3936 | return status; |
c0eae66e BH |
3937 | out_overflow: |
3938 | print_overflow_msg(__func__, xdr); | |
3939 | return -EIO; | |
1da177e4 LT |
3940 | } |
3941 | ||
3942 | static int decode_attr_space_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3943 | { | |
8687b63a | 3944 | __be32 *p; |
1da177e4 LT |
3945 | int status = 0; |
3946 | ||
3947 | *res = 0; | |
3948 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_TOTAL - 1U))) | |
3949 | return -EIO; | |
3950 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_TOTAL)) { | |
c0eae66e BH |
3951 | p = xdr_inline_decode(xdr, 8); |
3952 | if (unlikely(!p)) | |
3953 | goto out_overflow; | |
cccddf4f | 3954 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3955 | bitmap[1] &= ~FATTR4_WORD1_SPACE_TOTAL; |
3956 | } | |
3110ff80 | 3957 | dprintk("%s: space total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3958 | return status; |
c0eae66e BH |
3959 | out_overflow: |
3960 | print_overflow_msg(__func__, xdr); | |
3961 | return -EIO; | |
1da177e4 LT |
3962 | } |
3963 | ||
3964 | static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *used) | |
3965 | { | |
8687b63a | 3966 | __be32 *p; |
409924e4 | 3967 | int ret = 0; |
1da177e4 LT |
3968 | |
3969 | *used = 0; | |
3970 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_USED - 1U))) | |
3971 | return -EIO; | |
3972 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_USED)) { | |
c0eae66e BH |
3973 | p = xdr_inline_decode(xdr, 8); |
3974 | if (unlikely(!p)) | |
3975 | goto out_overflow; | |
cccddf4f | 3976 | xdr_decode_hyper(p, used); |
1da177e4 | 3977 | bitmap[1] &= ~FATTR4_WORD1_SPACE_USED; |
409924e4 | 3978 | ret = NFS_ATTR_FATTR_SPACE_USED; |
1da177e4 | 3979 | } |
3110ff80 | 3980 | dprintk("%s: space used=%Lu\n", __func__, |
1da177e4 | 3981 | (unsigned long long)*used); |
409924e4 | 3982 | return ret; |
c0eae66e BH |
3983 | out_overflow: |
3984 | print_overflow_msg(__func__, xdr); | |
3985 | return -EIO; | |
1da177e4 LT |
3986 | } |
3987 | ||
3988 | static int decode_attr_time(struct xdr_stream *xdr, struct timespec *time) | |
3989 | { | |
8687b63a | 3990 | __be32 *p; |
1da177e4 LT |
3991 | uint64_t sec; |
3992 | uint32_t nsec; | |
3993 | ||
c0eae66e BH |
3994 | p = xdr_inline_decode(xdr, 12); |
3995 | if (unlikely(!p)) | |
3996 | goto out_overflow; | |
3ceb4dbb | 3997 | p = xdr_decode_hyper(p, &sec); |
cccddf4f | 3998 | nsec = be32_to_cpup(p); |
1da177e4 LT |
3999 | time->tv_sec = (time_t)sec; |
4000 | time->tv_nsec = (long)nsec; | |
4001 | return 0; | |
c0eae66e BH |
4002 | out_overflow: |
4003 | print_overflow_msg(__func__, xdr); | |
4004 | return -EIO; | |
1da177e4 LT |
4005 | } |
4006 | ||
4007 | static int decode_attr_time_access(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
4008 | { | |
4009 | int status = 0; | |
4010 | ||
4011 | time->tv_sec = 0; | |
4012 | time->tv_nsec = 0; | |
4013 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_ACCESS - 1U))) | |
4014 | return -EIO; | |
4015 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_ACCESS)) { | |
4016 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4017 | if (status == 0) |
4018 | status = NFS_ATTR_FATTR_ATIME; | |
1da177e4 LT |
4019 | bitmap[1] &= ~FATTR4_WORD1_TIME_ACCESS; |
4020 | } | |
3110ff80 | 4021 | dprintk("%s: atime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
4022 | return status; |
4023 | } | |
4024 | ||
4025 | static int decode_attr_time_metadata(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
4026 | { | |
4027 | int status = 0; | |
4028 | ||
4029 | time->tv_sec = 0; | |
4030 | time->tv_nsec = 0; | |
4031 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_METADATA - 1U))) | |
4032 | return -EIO; | |
4033 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_METADATA)) { | |
4034 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4035 | if (status == 0) |
4036 | status = NFS_ATTR_FATTR_CTIME; | |
1da177e4 LT |
4037 | bitmap[1] &= ~FATTR4_WORD1_TIME_METADATA; |
4038 | } | |
3110ff80 | 4039 | dprintk("%s: ctime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
4040 | return status; |
4041 | } | |
4042 | ||
55b6e774 RL |
4043 | static int decode_attr_time_delta(struct xdr_stream *xdr, uint32_t *bitmap, |
4044 | struct timespec *time) | |
4045 | { | |
4046 | int status = 0; | |
4047 | ||
4048 | time->tv_sec = 0; | |
4049 | time->tv_nsec = 0; | |
4050 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_DELTA - 1U))) | |
4051 | return -EIO; | |
4052 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_DELTA)) { | |
4053 | status = decode_attr_time(xdr, time); | |
4054 | bitmap[1] &= ~FATTR4_WORD1_TIME_DELTA; | |
4055 | } | |
4056 | dprintk("%s: time_delta=%ld %ld\n", __func__, (long)time->tv_sec, | |
4057 | (long)time->tv_nsec); | |
4058 | return status; | |
4059 | } | |
4060 | ||
1da177e4 LT |
4061 | static int decode_attr_time_modify(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) |
4062 | { | |
4063 | int status = 0; | |
4064 | ||
4065 | time->tv_sec = 0; | |
4066 | time->tv_nsec = 0; | |
4067 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_MODIFY - 1U))) | |
4068 | return -EIO; | |
4069 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_MODIFY)) { | |
4070 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4071 | if (status == 0) |
4072 | status = NFS_ATTR_FATTR_MTIME; | |
1da177e4 LT |
4073 | bitmap[1] &= ~FATTR4_WORD1_TIME_MODIFY; |
4074 | } | |
3110ff80 | 4075 | dprintk("%s: mtime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
4076 | return status; |
4077 | } | |
4078 | ||
8687b63a | 4079 | static int verify_attr_len(struct xdr_stream *xdr, __be32 *savep, uint32_t attrlen) |
1da177e4 LT |
4080 | { |
4081 | unsigned int attrwords = XDR_QUADLEN(attrlen); | |
4082 | unsigned int nwords = xdr->p - savep; | |
4083 | ||
4084 | if (unlikely(attrwords != nwords)) { | |
fe82a183 CL |
4085 | dprintk("%s: server returned incorrect attribute length: " |
4086 | "%u %c %u\n", | |
3110ff80 | 4087 | __func__, |
1da177e4 LT |
4088 | attrwords << 2, |
4089 | (attrwords < nwords) ? '<' : '>', | |
4090 | nwords << 2); | |
4091 | return -EIO; | |
4092 | } | |
4093 | return 0; | |
4094 | } | |
4095 | ||
4096 | static int decode_change_info(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4097 | { | |
8687b63a | 4098 | __be32 *p; |
1da177e4 | 4099 | |
c0eae66e BH |
4100 | p = xdr_inline_decode(xdr, 20); |
4101 | if (unlikely(!p)) | |
4102 | goto out_overflow; | |
6f723f77 | 4103 | cinfo->atomic = be32_to_cpup(p++); |
3ceb4dbb | 4104 | p = xdr_decode_hyper(p, &cinfo->before); |
cccddf4f | 4105 | xdr_decode_hyper(p, &cinfo->after); |
1da177e4 | 4106 | return 0; |
c0eae66e BH |
4107 | out_overflow: |
4108 | print_overflow_msg(__func__, xdr); | |
4109 | return -EIO; | |
1da177e4 LT |
4110 | } |
4111 | ||
4112 | static int decode_access(struct xdr_stream *xdr, struct nfs4_accessres *access) | |
4113 | { | |
8687b63a | 4114 | __be32 *p; |
1da177e4 LT |
4115 | uint32_t supp, acc; |
4116 | int status; | |
4117 | ||
4118 | status = decode_op_hdr(xdr, OP_ACCESS); | |
4119 | if (status) | |
4120 | return status; | |
c0eae66e BH |
4121 | p = xdr_inline_decode(xdr, 8); |
4122 | if (unlikely(!p)) | |
4123 | goto out_overflow; | |
6f723f77 | 4124 | supp = be32_to_cpup(p++); |
cccddf4f | 4125 | acc = be32_to_cpup(p); |
1da177e4 LT |
4126 | access->supported = supp; |
4127 | access->access = acc; | |
4128 | return 0; | |
c0eae66e BH |
4129 | out_overflow: |
4130 | print_overflow_msg(__func__, xdr); | |
4131 | return -EIO; | |
1da177e4 LT |
4132 | } |
4133 | ||
07d30434 | 4134 | static int decode_opaque_fixed(struct xdr_stream *xdr, void *buf, size_t len) |
1da177e4 | 4135 | { |
8687b63a | 4136 | __be32 *p; |
07d30434 BH |
4137 | |
4138 | p = xdr_inline_decode(xdr, len); | |
4139 | if (likely(p)) { | |
4140 | memcpy(buf, p, len); | |
4141 | return 0; | |
4142 | } | |
4143 | print_overflow_msg(__func__, xdr); | |
4144 | return -EIO; | |
4145 | } | |
4146 | ||
4147 | static int decode_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) | |
4148 | { | |
2d2f24ad | 4149 | return decode_opaque_fixed(xdr, stateid, NFS4_STATEID_SIZE); |
07d30434 BH |
4150 | } |
4151 | ||
4152 | static int decode_close(struct xdr_stream *xdr, struct nfs_closeres *res) | |
4153 | { | |
1da177e4 LT |
4154 | int status; |
4155 | ||
4156 | status = decode_op_hdr(xdr, OP_CLOSE); | |
c1d51931 TM |
4157 | if (status != -EIO) |
4158 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4159 | if (!status) |
4160 | status = decode_stateid(xdr, &res->stateid); | |
4161 | return status; | |
1da177e4 LT |
4162 | } |
4163 | ||
db942bbd BH |
4164 | static int decode_verifier(struct xdr_stream *xdr, void *verifier) |
4165 | { | |
cd93710e | 4166 | return decode_opaque_fixed(xdr, verifier, NFS4_VERIFIER_SIZE); |
1da177e4 LT |
4167 | } |
4168 | ||
4169 | static int decode_commit(struct xdr_stream *xdr, struct nfs_writeres *res) | |
4170 | { | |
1da177e4 LT |
4171 | int status; |
4172 | ||
4173 | status = decode_op_hdr(xdr, OP_COMMIT); | |
db942bbd BH |
4174 | if (!status) |
4175 | status = decode_verifier(xdr, res->verf->verifier); | |
4176 | return status; | |
1da177e4 LT |
4177 | } |
4178 | ||
4179 | static int decode_create(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4180 | { | |
8687b63a | 4181 | __be32 *p; |
1da177e4 LT |
4182 | uint32_t bmlen; |
4183 | int status; | |
4184 | ||
4185 | status = decode_op_hdr(xdr, OP_CREATE); | |
4186 | if (status) | |
4187 | return status; | |
4188 | if ((status = decode_change_info(xdr, cinfo))) | |
4189 | return status; | |
c0eae66e BH |
4190 | p = xdr_inline_decode(xdr, 4); |
4191 | if (unlikely(!p)) | |
4192 | goto out_overflow; | |
cccddf4f | 4193 | bmlen = be32_to_cpup(p); |
c0eae66e BH |
4194 | p = xdr_inline_decode(xdr, bmlen << 2); |
4195 | if (likely(p)) | |
4196 | return 0; | |
4197 | out_overflow: | |
4198 | print_overflow_msg(__func__, xdr); | |
4199 | return -EIO; | |
1da177e4 LT |
4200 | } |
4201 | ||
4202 | static int decode_server_caps(struct xdr_stream *xdr, struct nfs4_server_caps_res *res) | |
4203 | { | |
8687b63a | 4204 | __be32 *savep; |
dae100c2 | 4205 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 LT |
4206 | int status; |
4207 | ||
4208 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
4209 | goto xdr_error; | |
4210 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4211 | goto xdr_error; | |
4212 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4213 | goto xdr_error; | |
4214 | if ((status = decode_attr_supported(xdr, bitmap, res->attr_bitmask)) != 0) | |
4215 | goto xdr_error; | |
264e6351 CL |
4216 | if ((status = decode_attr_fh_expire_type(xdr, bitmap, |
4217 | &res->fh_expire_type)) != 0) | |
4218 | goto xdr_error; | |
1da177e4 LT |
4219 | if ((status = decode_attr_link_support(xdr, bitmap, &res->has_links)) != 0) |
4220 | goto xdr_error; | |
4221 | if ((status = decode_attr_symlink_support(xdr, bitmap, &res->has_symlinks)) != 0) | |
4222 | goto xdr_error; | |
4223 | if ((status = decode_attr_aclsupport(xdr, bitmap, &res->acl_bitmask)) != 0) | |
4224 | goto xdr_error; | |
4225 | status = verify_attr_len(xdr, savep, attrlen); | |
4226 | xdr_error: | |
3110ff80 | 4227 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4228 | return status; |
4229 | } | |
6c0195a4 | 4230 | |
1da177e4 LT |
4231 | static int decode_statfs(struct xdr_stream *xdr, struct nfs_fsstat *fsstat) |
4232 | { | |
8687b63a | 4233 | __be32 *savep; |
dae100c2 | 4234 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 | 4235 | int status; |
6c0195a4 | 4236 | |
1da177e4 LT |
4237 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
4238 | goto xdr_error; | |
4239 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4240 | goto xdr_error; | |
4241 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4242 | goto xdr_error; | |
4243 | ||
4244 | if ((status = decode_attr_files_avail(xdr, bitmap, &fsstat->afiles)) != 0) | |
4245 | goto xdr_error; | |
4246 | if ((status = decode_attr_files_free(xdr, bitmap, &fsstat->ffiles)) != 0) | |
4247 | goto xdr_error; | |
4248 | if ((status = decode_attr_files_total(xdr, bitmap, &fsstat->tfiles)) != 0) | |
4249 | goto xdr_error; | |
4250 | if ((status = decode_attr_space_avail(xdr, bitmap, &fsstat->abytes)) != 0) | |
4251 | goto xdr_error; | |
4252 | if ((status = decode_attr_space_free(xdr, bitmap, &fsstat->fbytes)) != 0) | |
4253 | goto xdr_error; | |
4254 | if ((status = decode_attr_space_total(xdr, bitmap, &fsstat->tbytes)) != 0) | |
4255 | goto xdr_error; | |
4256 | ||
4257 | status = verify_attr_len(xdr, savep, attrlen); | |
4258 | xdr_error: | |
3110ff80 | 4259 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4260 | return status; |
4261 | } | |
4262 | ||
4263 | static int decode_pathconf(struct xdr_stream *xdr, struct nfs_pathconf *pathconf) | |
4264 | { | |
8687b63a | 4265 | __be32 *savep; |
dae100c2 | 4266 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 | 4267 | int status; |
6c0195a4 | 4268 | |
1da177e4 LT |
4269 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
4270 | goto xdr_error; | |
4271 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4272 | goto xdr_error; | |
4273 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4274 | goto xdr_error; | |
4275 | ||
4276 | if ((status = decode_attr_maxlink(xdr, bitmap, &pathconf->max_link)) != 0) | |
4277 | goto xdr_error; | |
4278 | if ((status = decode_attr_maxname(xdr, bitmap, &pathconf->max_namelen)) != 0) | |
4279 | goto xdr_error; | |
4280 | ||
4281 | status = verify_attr_len(xdr, savep, attrlen); | |
4282 | xdr_error: | |
3110ff80 | 4283 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4284 | return status; |
4285 | } | |
4286 | ||
ae42c70a BS |
4287 | static int decode_getfattr_attrs(struct xdr_stream *xdr, uint32_t *bitmap, |
4288 | struct nfs_fattr *fattr, struct nfs_fh *fh, | |
8b7e3f49 | 4289 | struct nfs4_fs_locations *fs_loc, |
6926afd1 | 4290 | const struct nfs_server *server) |
1da177e4 | 4291 | { |
bca79478 TM |
4292 | int status; |
4293 | umode_t fmode = 0; | |
ae42c70a | 4294 | uint32_t type; |
ee7b75fc | 4295 | int32_t err; |
1da177e4 | 4296 | |
f26c7a78 TM |
4297 | status = decode_attr_type(xdr, bitmap, &type); |
4298 | if (status < 0) | |
1da177e4 | 4299 | goto xdr_error; |
409924e4 TM |
4300 | fattr->mode = 0; |
4301 | if (status != 0) { | |
4302 | fattr->mode |= nfs_type2fmt[type]; | |
4303 | fattr->valid |= status; | |
4304 | } | |
1da177e4 | 4305 | |
f26c7a78 TM |
4306 | status = decode_attr_change(xdr, bitmap, &fattr->change_attr); |
4307 | if (status < 0) | |
1da177e4 | 4308 | goto xdr_error; |
409924e4 | 4309 | fattr->valid |= status; |
f26c7a78 TM |
4310 | |
4311 | status = decode_attr_size(xdr, bitmap, &fattr->size); | |
4312 | if (status < 0) | |
1da177e4 | 4313 | goto xdr_error; |
409924e4 | 4314 | fattr->valid |= status; |
f26c7a78 TM |
4315 | |
4316 | status = decode_attr_fsid(xdr, bitmap, &fattr->fsid); | |
4317 | if (status < 0) | |
1da177e4 | 4318 | goto xdr_error; |
409924e4 | 4319 | fattr->valid |= status; |
f26c7a78 | 4320 | |
ee7b75fc TM |
4321 | err = 0; |
4322 | status = decode_attr_error(xdr, bitmap, &err); | |
ae42c70a BS |
4323 | if (status < 0) |
4324 | goto xdr_error; | |
ee7b75fc TM |
4325 | if (err == -NFS4ERR_WRONGSEC) |
4326 | nfs_fixup_secinfo_attributes(fattr, fh); | |
ae42c70a BS |
4327 | |
4328 | status = decode_attr_filehandle(xdr, bitmap, fh); | |
4329 | if (status < 0) | |
4330 | goto xdr_error; | |
4331 | ||
f26c7a78 TM |
4332 | status = decode_attr_fileid(xdr, bitmap, &fattr->fileid); |
4333 | if (status < 0) | |
1da177e4 | 4334 | goto xdr_error; |
409924e4 | 4335 | fattr->valid |= status; |
f26c7a78 | 4336 | |
8b7e3f49 | 4337 | status = decode_attr_fs_locations(xdr, bitmap, fs_loc); |
f26c7a78 | 4338 | if (status < 0) |
683b57b4 | 4339 | goto xdr_error; |
409924e4 | 4340 | fattr->valid |= status; |
f26c7a78 TM |
4341 | |
4342 | status = decode_attr_mode(xdr, bitmap, &fmode); | |
4343 | if (status < 0) | |
1da177e4 | 4344 | goto xdr_error; |
409924e4 TM |
4345 | if (status != 0) { |
4346 | fattr->mode |= fmode; | |
4347 | fattr->valid |= status; | |
4348 | } | |
f26c7a78 TM |
4349 | |
4350 | status = decode_attr_nlink(xdr, bitmap, &fattr->nlink); | |
4351 | if (status < 0) | |
1da177e4 | 4352 | goto xdr_error; |
409924e4 | 4353 | fattr->valid |= status; |
f26c7a78 | 4354 | |
6926afd1 | 4355 | status = decode_attr_owner(xdr, bitmap, server, &fattr->uid, fattr->owner_name); |
f26c7a78 | 4356 | if (status < 0) |
1da177e4 | 4357 | goto xdr_error; |
409924e4 | 4358 | fattr->valid |= status; |
f26c7a78 | 4359 | |
6926afd1 | 4360 | status = decode_attr_group(xdr, bitmap, server, &fattr->gid, fattr->group_name); |
f26c7a78 | 4361 | if (status < 0) |
1da177e4 | 4362 | goto xdr_error; |
409924e4 | 4363 | fattr->valid |= status; |
f26c7a78 TM |
4364 | |
4365 | status = decode_attr_rdev(xdr, bitmap, &fattr->rdev); | |
4366 | if (status < 0) | |
1da177e4 | 4367 | goto xdr_error; |
409924e4 | 4368 | fattr->valid |= status; |
f26c7a78 TM |
4369 | |
4370 | status = decode_attr_space_used(xdr, bitmap, &fattr->du.nfs3.used); | |
4371 | if (status < 0) | |
1da177e4 | 4372 | goto xdr_error; |
409924e4 | 4373 | fattr->valid |= status; |
f26c7a78 TM |
4374 | |
4375 | status = decode_attr_time_access(xdr, bitmap, &fattr->atime); | |
4376 | if (status < 0) | |
1da177e4 | 4377 | goto xdr_error; |
409924e4 | 4378 | fattr->valid |= status; |
f26c7a78 TM |
4379 | |
4380 | status = decode_attr_time_metadata(xdr, bitmap, &fattr->ctime); | |
4381 | if (status < 0) | |
1da177e4 | 4382 | goto xdr_error; |
409924e4 | 4383 | fattr->valid |= status; |
f26c7a78 TM |
4384 | |
4385 | status = decode_attr_time_modify(xdr, bitmap, &fattr->mtime); | |
4386 | if (status < 0) | |
1da177e4 | 4387 | goto xdr_error; |
409924e4 | 4388 | fattr->valid |= status; |
f26c7a78 | 4389 | |
28331a46 | 4390 | status = decode_attr_mounted_on_fileid(xdr, bitmap, &fattr->mounted_on_fileid); |
f26c7a78 | 4391 | if (status < 0) |
99baf625 | 4392 | goto xdr_error; |
28331a46 | 4393 | fattr->valid |= status; |
f26c7a78 | 4394 | |
ae42c70a BS |
4395 | xdr_error: |
4396 | dprintk("%s: xdr returned %d\n", __func__, -status); | |
4397 | return status; | |
4398 | } | |
4399 | ||
4400 | static int decode_getfattr_generic(struct xdr_stream *xdr, struct nfs_fattr *fattr, | |
8b7e3f49 TM |
4401 | struct nfs_fh *fh, struct nfs4_fs_locations *fs_loc, |
4402 | const struct nfs_server *server) | |
ae42c70a BS |
4403 | { |
4404 | __be32 *savep; | |
4405 | uint32_t attrlen, | |
dae100c2 | 4406 | bitmap[3] = {0}; |
ae42c70a BS |
4407 | int status; |
4408 | ||
4409 | status = decode_op_hdr(xdr, OP_GETATTR); | |
4410 | if (status < 0) | |
4411 | goto xdr_error; | |
4412 | ||
4413 | status = decode_attr_bitmap(xdr, bitmap); | |
4414 | if (status < 0) | |
4415 | goto xdr_error; | |
4416 | ||
4417 | status = decode_attr_length(xdr, &attrlen, &savep); | |
4418 | if (status < 0) | |
4419 | goto xdr_error; | |
4420 | ||
8b7e3f49 | 4421 | status = decode_getfattr_attrs(xdr, bitmap, fattr, fh, fs_loc, server); |
ae42c70a BS |
4422 | if (status < 0) |
4423 | goto xdr_error; | |
4424 | ||
f26c7a78 | 4425 | status = verify_attr_len(xdr, savep, attrlen); |
1da177e4 | 4426 | xdr_error: |
3110ff80 | 4427 | dprintk("%s: xdr returned %d\n", __func__, -status); |
1da177e4 LT |
4428 | return status; |
4429 | } | |
4430 | ||
ae42c70a | 4431 | static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr, |
6926afd1 | 4432 | const struct nfs_server *server) |
ae42c70a | 4433 | { |
8b7e3f49 | 4434 | return decode_getfattr_generic(xdr, fattr, NULL, NULL, server); |
ae42c70a | 4435 | } |
1da177e4 | 4436 | |
504913fb AA |
4437 | /* |
4438 | * Decode potentially multiple layout types. Currently we only support | |
4439 | * one layout driver per file system. | |
4440 | */ | |
4441 | static int decode_first_pnfs_layout_type(struct xdr_stream *xdr, | |
4442 | uint32_t *layouttype) | |
4443 | { | |
4444 | uint32_t *p; | |
4445 | int num; | |
4446 | ||
4447 | p = xdr_inline_decode(xdr, 4); | |
4448 | if (unlikely(!p)) | |
4449 | goto out_overflow; | |
4450 | num = be32_to_cpup(p); | |
4451 | ||
4452 | /* pNFS is not supported by the underlying file system */ | |
4453 | if (num == 0) { | |
4454 | *layouttype = 0; | |
4455 | return 0; | |
4456 | } | |
4457 | if (num > 1) | |
a030889a WAA |
4458 | printk(KERN_INFO "NFS: %s: Warning: Multiple pNFS layout " |
4459 | "drivers per filesystem not supported\n", __func__); | |
504913fb AA |
4460 | |
4461 | /* Decode and set first layout type, move xdr->p past unused types */ | |
4462 | p = xdr_inline_decode(xdr, num * 4); | |
4463 | if (unlikely(!p)) | |
4464 | goto out_overflow; | |
4465 | *layouttype = be32_to_cpup(p); | |
4466 | return 0; | |
4467 | out_overflow: | |
4468 | print_overflow_msg(__func__, xdr); | |
4469 | return -EIO; | |
4470 | } | |
4471 | ||
4472 | /* | |
4473 | * The type of file system exported. | |
4474 | * Note we must ensure that layouttype is set in any non-error case. | |
4475 | */ | |
4476 | static int decode_attr_pnfstype(struct xdr_stream *xdr, uint32_t *bitmap, | |
4477 | uint32_t *layouttype) | |
4478 | { | |
4479 | int status = 0; | |
4480 | ||
4481 | dprintk("%s: bitmap is %x\n", __func__, bitmap[1]); | |
4482 | if (unlikely(bitmap[1] & (FATTR4_WORD1_FS_LAYOUT_TYPES - 1U))) | |
4483 | return -EIO; | |
4484 | if (bitmap[1] & FATTR4_WORD1_FS_LAYOUT_TYPES) { | |
4485 | status = decode_first_pnfs_layout_type(xdr, layouttype); | |
4486 | bitmap[1] &= ~FATTR4_WORD1_FS_LAYOUT_TYPES; | |
4487 | } else | |
4488 | *layouttype = 0; | |
4489 | return status; | |
4490 | } | |
4491 | ||
dae100c2 FI |
4492 | /* |
4493 | * The prefered block size for layout directed io | |
4494 | */ | |
4495 | static int decode_attr_layout_blksize(struct xdr_stream *xdr, uint32_t *bitmap, | |
4496 | uint32_t *res) | |
4497 | { | |
4498 | __be32 *p; | |
4499 | ||
4500 | dprintk("%s: bitmap is %x\n", __func__, bitmap[2]); | |
4501 | *res = 0; | |
4502 | if (bitmap[2] & FATTR4_WORD2_LAYOUT_BLKSIZE) { | |
4503 | p = xdr_inline_decode(xdr, 4); | |
4504 | if (unlikely(!p)) { | |
4505 | print_overflow_msg(__func__, xdr); | |
4506 | return -EIO; | |
4507 | } | |
4508 | *res = be32_to_cpup(p); | |
4509 | bitmap[2] &= ~FATTR4_WORD2_LAYOUT_BLKSIZE; | |
4510 | } | |
4511 | return 0; | |
4512 | } | |
4513 | ||
1da177e4 LT |
4514 | static int decode_fsinfo(struct xdr_stream *xdr, struct nfs_fsinfo *fsinfo) |
4515 | { | |
8687b63a | 4516 | __be32 *savep; |
dae100c2 | 4517 | uint32_t attrlen, bitmap[3]; |
1da177e4 LT |
4518 | int status; |
4519 | ||
4520 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
4521 | goto xdr_error; | |
4522 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4523 | goto xdr_error; | |
4524 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4525 | goto xdr_error; | |
4526 | ||
4527 | fsinfo->rtmult = fsinfo->wtmult = 512; /* ??? */ | |
4528 | ||
4529 | if ((status = decode_attr_lease_time(xdr, bitmap, &fsinfo->lease_time)) != 0) | |
4530 | goto xdr_error; | |
4531 | if ((status = decode_attr_maxfilesize(xdr, bitmap, &fsinfo->maxfilesize)) != 0) | |
4532 | goto xdr_error; | |
4533 | if ((status = decode_attr_maxread(xdr, bitmap, &fsinfo->rtmax)) != 0) | |
4534 | goto xdr_error; | |
4535 | fsinfo->rtpref = fsinfo->dtpref = fsinfo->rtmax; | |
4536 | if ((status = decode_attr_maxwrite(xdr, bitmap, &fsinfo->wtmax)) != 0) | |
4537 | goto xdr_error; | |
4538 | fsinfo->wtpref = fsinfo->wtmax; | |
55b6e774 | 4539 | status = decode_attr_time_delta(xdr, bitmap, &fsinfo->time_delta); |
504913fb AA |
4540 | if (status != 0) |
4541 | goto xdr_error; | |
4542 | status = decode_attr_pnfstype(xdr, bitmap, &fsinfo->layouttype); | |
55b6e774 RL |
4543 | if (status != 0) |
4544 | goto xdr_error; | |
dae100c2 FI |
4545 | status = decode_attr_layout_blksize(xdr, bitmap, &fsinfo->blksize); |
4546 | if (status) | |
4547 | goto xdr_error; | |
1da177e4 LT |
4548 | |
4549 | status = verify_attr_len(xdr, savep, attrlen); | |
4550 | xdr_error: | |
3110ff80 | 4551 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4552 | return status; |
4553 | } | |
4554 | ||
4555 | static int decode_getfh(struct xdr_stream *xdr, struct nfs_fh *fh) | |
4556 | { | |
8687b63a | 4557 | __be32 *p; |
1da177e4 LT |
4558 | uint32_t len; |
4559 | int status; | |
4560 | ||
9936781d TM |
4561 | /* Zero handle first to allow comparisons */ |
4562 | memset(fh, 0, sizeof(*fh)); | |
4563 | ||
1da177e4 LT |
4564 | status = decode_op_hdr(xdr, OP_GETFH); |
4565 | if (status) | |
4566 | return status; | |
1da177e4 | 4567 | |
c0eae66e BH |
4568 | p = xdr_inline_decode(xdr, 4); |
4569 | if (unlikely(!p)) | |
4570 | goto out_overflow; | |
cccddf4f | 4571 | len = be32_to_cpup(p); |
1da177e4 LT |
4572 | if (len > NFS4_FHSIZE) |
4573 | return -EIO; | |
4574 | fh->size = len; | |
c0eae66e BH |
4575 | p = xdr_inline_decode(xdr, len); |
4576 | if (unlikely(!p)) | |
4577 | goto out_overflow; | |
99398d06 | 4578 | memcpy(fh->data, p, len); |
1da177e4 | 4579 | return 0; |
c0eae66e BH |
4580 | out_overflow: |
4581 | print_overflow_msg(__func__, xdr); | |
4582 | return -EIO; | |
1da177e4 LT |
4583 | } |
4584 | ||
4585 | static int decode_link(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4586 | { | |
4587 | int status; | |
6c0195a4 | 4588 | |
1da177e4 LT |
4589 | status = decode_op_hdr(xdr, OP_LINK); |
4590 | if (status) | |
4591 | return status; | |
4592 | return decode_change_info(xdr, cinfo); | |
4593 | } | |
4594 | ||
4595 | /* | |
4596 | * We create the owner, so we know a proper owner.id length is 4. | |
4597 | */ | |
911d1aaf | 4598 | static int decode_lock_denied (struct xdr_stream *xdr, struct file_lock *fl) |
1da177e4 | 4599 | { |
911d1aaf | 4600 | uint64_t offset, length, clientid; |
8687b63a | 4601 | __be32 *p; |
911d1aaf | 4602 | uint32_t namelen, type; |
1da177e4 | 4603 | |
babddc72 | 4604 | p = xdr_inline_decode(xdr, 32); /* read 32 bytes */ |
c0eae66e BH |
4605 | if (unlikely(!p)) |
4606 | goto out_overflow; | |
babddc72 | 4607 | p = xdr_decode_hyper(p, &offset); /* read 2 8-byte long words */ |
3ceb4dbb | 4608 | p = xdr_decode_hyper(p, &length); |
babddc72 BS |
4609 | type = be32_to_cpup(p++); /* 4 byte read */ |
4610 | if (fl != NULL) { /* manipulate file lock */ | |
911d1aaf TM |
4611 | fl->fl_start = (loff_t)offset; |
4612 | fl->fl_end = fl->fl_start + (loff_t)length - 1; | |
4613 | if (length == ~(uint64_t)0) | |
4614 | fl->fl_end = OFFSET_MAX; | |
4615 | fl->fl_type = F_WRLCK; | |
4616 | if (type & 1) | |
4617 | fl->fl_type = F_RDLCK; | |
4618 | fl->fl_pid = 0; | |
4619 | } | |
babddc72 BS |
4620 | p = xdr_decode_hyper(p, &clientid); /* read 8 bytes */ |
4621 | namelen = be32_to_cpup(p); /* read 4 bytes */ /* have read all 32 bytes now */ | |
4622 | p = xdr_inline_decode(xdr, namelen); /* variable size field */ | |
c0eae66e BH |
4623 | if (likely(p)) |
4624 | return -NFS4ERR_DENIED; | |
4625 | out_overflow: | |
4626 | print_overflow_msg(__func__, xdr); | |
4627 | return -EIO; | |
1da177e4 LT |
4628 | } |
4629 | ||
911d1aaf | 4630 | static int decode_lock(struct xdr_stream *xdr, struct nfs_lock_res *res) |
1da177e4 | 4631 | { |
1da177e4 LT |
4632 | int status; |
4633 | ||
4634 | status = decode_op_hdr(xdr, OP_LOCK); | |
c1d51931 TM |
4635 | if (status == -EIO) |
4636 | goto out; | |
1da177e4 | 4637 | if (status == 0) { |
07d30434 BH |
4638 | status = decode_stateid(xdr, &res->stateid); |
4639 | if (unlikely(status)) | |
4640 | goto out; | |
1da177e4 | 4641 | } else if (status == -NFS4ERR_DENIED) |
c1d51931 TM |
4642 | status = decode_lock_denied(xdr, NULL); |
4643 | if (res->open_seqid != NULL) | |
4644 | nfs_increment_open_seqid(status, res->open_seqid); | |
4645 | nfs_increment_lock_seqid(status, res->lock_seqid); | |
4646 | out: | |
1da177e4 LT |
4647 | return status; |
4648 | } | |
4649 | ||
911d1aaf | 4650 | static int decode_lockt(struct xdr_stream *xdr, struct nfs_lockt_res *res) |
1da177e4 LT |
4651 | { |
4652 | int status; | |
4653 | status = decode_op_hdr(xdr, OP_LOCKT); | |
4654 | if (status == -NFS4ERR_DENIED) | |
911d1aaf | 4655 | return decode_lock_denied(xdr, res->denied); |
1da177e4 LT |
4656 | return status; |
4657 | } | |
4658 | ||
911d1aaf | 4659 | static int decode_locku(struct xdr_stream *xdr, struct nfs_locku_res *res) |
1da177e4 | 4660 | { |
1da177e4 LT |
4661 | int status; |
4662 | ||
4663 | status = decode_op_hdr(xdr, OP_LOCKU); | |
c1d51931 TM |
4664 | if (status != -EIO) |
4665 | nfs_increment_lock_seqid(status, res->seqid); | |
07d30434 BH |
4666 | if (status == 0) |
4667 | status = decode_stateid(xdr, &res->stateid); | |
1da177e4 LT |
4668 | return status; |
4669 | } | |
4670 | ||
d3c7b7cc TM |
4671 | static int decode_release_lockowner(struct xdr_stream *xdr) |
4672 | { | |
4673 | return decode_op_hdr(xdr, OP_RELEASE_LOCKOWNER); | |
4674 | } | |
4675 | ||
1da177e4 LT |
4676 | static int decode_lookup(struct xdr_stream *xdr) |
4677 | { | |
4678 | return decode_op_hdr(xdr, OP_LOOKUP); | |
4679 | } | |
4680 | ||
4681 | /* This is too sick! */ | |
4682 | static int decode_space_limit(struct xdr_stream *xdr, u64 *maxsize) | |
4683 | { | |
05d564fe | 4684 | __be32 *p; |
1da177e4 LT |
4685 | uint32_t limit_type, nblocks, blocksize; |
4686 | ||
c0eae66e BH |
4687 | p = xdr_inline_decode(xdr, 12); |
4688 | if (unlikely(!p)) | |
4689 | goto out_overflow; | |
6f723f77 | 4690 | limit_type = be32_to_cpup(p++); |
1da177e4 | 4691 | switch (limit_type) { |
05d564fe | 4692 | case 1: |
cccddf4f | 4693 | xdr_decode_hyper(p, maxsize); |
05d564fe AA |
4694 | break; |
4695 | case 2: | |
6f723f77 | 4696 | nblocks = be32_to_cpup(p++); |
cccddf4f | 4697 | blocksize = be32_to_cpup(p); |
05d564fe | 4698 | *maxsize = (uint64_t)nblocks * (uint64_t)blocksize; |
1da177e4 LT |
4699 | } |
4700 | return 0; | |
c0eae66e BH |
4701 | out_overflow: |
4702 | print_overflow_msg(__func__, xdr); | |
4703 | return -EIO; | |
1da177e4 LT |
4704 | } |
4705 | ||
4706 | static int decode_delegation(struct xdr_stream *xdr, struct nfs_openres *res) | |
4707 | { | |
05d564fe AA |
4708 | __be32 *p; |
4709 | uint32_t delegation_type; | |
07d30434 | 4710 | int status; |
1da177e4 | 4711 | |
c0eae66e BH |
4712 | p = xdr_inline_decode(xdr, 4); |
4713 | if (unlikely(!p)) | |
4714 | goto out_overflow; | |
cccddf4f | 4715 | delegation_type = be32_to_cpup(p); |
1da177e4 LT |
4716 | if (delegation_type == NFS4_OPEN_DELEGATE_NONE) { |
4717 | res->delegation_type = 0; | |
4718 | return 0; | |
4719 | } | |
07d30434 BH |
4720 | status = decode_stateid(xdr, &res->delegation); |
4721 | if (unlikely(status)) | |
4722 | return status; | |
c0eae66e BH |
4723 | p = xdr_inline_decode(xdr, 4); |
4724 | if (unlikely(!p)) | |
4725 | goto out_overflow; | |
cccddf4f | 4726 | res->do_recall = be32_to_cpup(p); |
05d564fe | 4727 | |
1da177e4 | 4728 | switch (delegation_type) { |
05d564fe AA |
4729 | case NFS4_OPEN_DELEGATE_READ: |
4730 | res->delegation_type = FMODE_READ; | |
4731 | break; | |
4732 | case NFS4_OPEN_DELEGATE_WRITE: | |
4733 | res->delegation_type = FMODE_WRITE|FMODE_READ; | |
4734 | if (decode_space_limit(xdr, &res->maxsize) < 0) | |
1da177e4 LT |
4735 | return -EIO; |
4736 | } | |
7539bbab | 4737 | return decode_ace(xdr, NULL, res->server->nfs_client); |
c0eae66e BH |
4738 | out_overflow: |
4739 | print_overflow_msg(__func__, xdr); | |
4740 | return -EIO; | |
1da177e4 LT |
4741 | } |
4742 | ||
4743 | static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res) | |
4744 | { | |
05d564fe | 4745 | __be32 *p; |
aa53ed54 | 4746 | uint32_t savewords, bmlen, i; |
05d564fe | 4747 | int status; |
1da177e4 | 4748 | |
05d564fe | 4749 | status = decode_op_hdr(xdr, OP_OPEN); |
c1d51931 TM |
4750 | if (status != -EIO) |
4751 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4752 | if (!status) |
4753 | status = decode_stateid(xdr, &res->stateid); | |
4754 | if (unlikely(status)) | |
05d564fe | 4755 | return status; |
1da177e4 | 4756 | |
05d564fe | 4757 | decode_change_info(xdr, &res->cinfo); |
1da177e4 | 4758 | |
c0eae66e BH |
4759 | p = xdr_inline_decode(xdr, 8); |
4760 | if (unlikely(!p)) | |
4761 | goto out_overflow; | |
6f723f77 | 4762 | res->rflags = be32_to_cpup(p++); |
cccddf4f | 4763 | bmlen = be32_to_cpup(p); |
05d564fe AA |
4764 | if (bmlen > 10) |
4765 | goto xdr_error; | |
1da177e4 | 4766 | |
c0eae66e BH |
4767 | p = xdr_inline_decode(xdr, bmlen << 2); |
4768 | if (unlikely(!p)) | |
4769 | goto out_overflow; | |
aa53ed54 JL |
4770 | savewords = min_t(uint32_t, bmlen, NFS4_BITMAP_SIZE); |
4771 | for (i = 0; i < savewords; ++i) | |
6f723f77 | 4772 | res->attrset[i] = be32_to_cpup(p++); |
aa53ed54 JL |
4773 | for (; i < NFS4_BITMAP_SIZE; i++) |
4774 | res->attrset[i] = 0; | |
4775 | ||
1da177e4 LT |
4776 | return decode_delegation(xdr, res); |
4777 | xdr_error: | |
3110ff80 | 4778 | dprintk("%s: Bitmap too large! Length = %u\n", __func__, bmlen); |
1da177e4 | 4779 | return -EIO; |
c0eae66e BH |
4780 | out_overflow: |
4781 | print_overflow_msg(__func__, xdr); | |
4782 | return -EIO; | |
1da177e4 LT |
4783 | } |
4784 | ||
4785 | static int decode_open_confirm(struct xdr_stream *xdr, struct nfs_open_confirmres *res) | |
4786 | { | |
1da177e4 LT |
4787 | int status; |
4788 | ||
05d564fe | 4789 | status = decode_op_hdr(xdr, OP_OPEN_CONFIRM); |
c1d51931 TM |
4790 | if (status != -EIO) |
4791 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4792 | if (!status) |
4793 | status = decode_stateid(xdr, &res->stateid); | |
4794 | return status; | |
1da177e4 LT |
4795 | } |
4796 | ||
4797 | static int decode_open_downgrade(struct xdr_stream *xdr, struct nfs_closeres *res) | |
4798 | { | |
1da177e4 LT |
4799 | int status; |
4800 | ||
4801 | status = decode_op_hdr(xdr, OP_OPEN_DOWNGRADE); | |
c1d51931 TM |
4802 | if (status != -EIO) |
4803 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4804 | if (!status) |
4805 | status = decode_stateid(xdr, &res->stateid); | |
4806 | return status; | |
1da177e4 LT |
4807 | } |
4808 | ||
4809 | static int decode_putfh(struct xdr_stream *xdr) | |
4810 | { | |
4811 | return decode_op_hdr(xdr, OP_PUTFH); | |
4812 | } | |
4813 | ||
4814 | static int decode_putrootfh(struct xdr_stream *xdr) | |
4815 | { | |
4816 | return decode_op_hdr(xdr, OP_PUTROOTFH); | |
4817 | } | |
4818 | ||
4819 | static int decode_read(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs_readres *res) | |
4820 | { | |
4821 | struct kvec *iov = req->rq_rcv_buf.head; | |
8687b63a | 4822 | __be32 *p; |
1da177e4 LT |
4823 | uint32_t count, eof, recvd, hdrlen; |
4824 | int status; | |
4825 | ||
4826 | status = decode_op_hdr(xdr, OP_READ); | |
4827 | if (status) | |
4828 | return status; | |
c0eae66e BH |
4829 | p = xdr_inline_decode(xdr, 8); |
4830 | if (unlikely(!p)) | |
4831 | goto out_overflow; | |
6f723f77 | 4832 | eof = be32_to_cpup(p++); |
cccddf4f | 4833 | count = be32_to_cpup(p); |
8111f373 | 4834 | hdrlen = (u8 *) xdr->p - (u8 *) iov->iov_base; |
1da177e4 LT |
4835 | recvd = req->rq_rcv_buf.len - hdrlen; |
4836 | if (count > recvd) { | |
fe82a183 | 4837 | dprintk("NFS: server cheating in read reply: " |
1da177e4 LT |
4838 | "count %u > recvd %u\n", count, recvd); |
4839 | count = recvd; | |
4840 | eof = 0; | |
4841 | } | |
4842 | xdr_read_pages(xdr, count); | |
4843 | res->eof = eof; | |
4844 | res->count = count; | |
4845 | return 0; | |
c0eae66e BH |
4846 | out_overflow: |
4847 | print_overflow_msg(__func__, xdr); | |
4848 | return -EIO; | |
1da177e4 LT |
4849 | } |
4850 | ||
4851 | static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs4_readdir_res *readdir) | |
4852 | { | |
4853 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; | |
1da177e4 | 4854 | struct kvec *iov = rcvbuf->head; |
bcecff77 CL |
4855 | size_t hdrlen; |
4856 | u32 recvd, pglen = rcvbuf->page_len; | |
bcecff77 | 4857 | int status; |
cd93710e | 4858 | __be32 verf[2]; |
1da177e4 LT |
4859 | |
4860 | status = decode_op_hdr(xdr, OP_READDIR); | |
db942bbd BH |
4861 | if (!status) |
4862 | status = decode_verifier(xdr, readdir->verifier.data); | |
4863 | if (unlikely(status)) | |
1da177e4 | 4864 | return status; |
cd93710e | 4865 | memcpy(verf, readdir->verifier.data, sizeof(verf)); |
44109241 | 4866 | dprintk("%s: verifier = %08x:%08x\n", |
cd93710e | 4867 | __func__, verf[0], verf[1]); |
1da177e4 | 4868 | |
db942bbd | 4869 | hdrlen = (char *) xdr->p - (char *) iov->iov_base; |
1da177e4 LT |
4870 | recvd = rcvbuf->len - hdrlen; |
4871 | if (pglen > recvd) | |
4872 | pglen = recvd; | |
4873 | xdr_read_pages(xdr, pglen); | |
4874 | ||
afa8ccc9 | 4875 | |
ac396128 | 4876 | return pglen; |
1da177e4 LT |
4877 | } |
4878 | ||
4879 | static int decode_readlink(struct xdr_stream *xdr, struct rpc_rqst *req) | |
4880 | { | |
4881 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; | |
4882 | struct kvec *iov = rcvbuf->head; | |
bcecff77 CL |
4883 | size_t hdrlen; |
4884 | u32 len, recvd; | |
8687b63a | 4885 | __be32 *p; |
1da177e4 LT |
4886 | int status; |
4887 | ||
4888 | status = decode_op_hdr(xdr, OP_READLINK); | |
4889 | if (status) | |
4890 | return status; | |
4891 | ||
4892 | /* Convert length of symlink */ | |
c0eae66e BH |
4893 | p = xdr_inline_decode(xdr, 4); |
4894 | if (unlikely(!p)) | |
4895 | goto out_overflow; | |
cccddf4f | 4896 | len = be32_to_cpup(p); |
1da177e4 | 4897 | if (len >= rcvbuf->page_len || len <= 0) { |
fe82a183 | 4898 | dprintk("nfs: server returned giant symlink!\n"); |
1da177e4 LT |
4899 | return -ENAMETOOLONG; |
4900 | } | |
4901 | hdrlen = (char *) xdr->p - (char *) iov->iov_base; | |
4902 | recvd = req->rq_rcv_buf.len - hdrlen; | |
4903 | if (recvd < len) { | |
fe82a183 | 4904 | dprintk("NFS: server cheating in readlink reply: " |
1da177e4 LT |
4905 | "count %u > recvd %u\n", len, recvd); |
4906 | return -EIO; | |
4907 | } | |
4908 | xdr_read_pages(xdr, len); | |
4909 | /* | |
4910 | * The XDR encode routine has set things up so that | |
4911 | * the link text will be copied directly into the | |
4912 | * buffer. We just have to do overflow-checking, | |
4913 | * and and null-terminate the text (the VFS expects | |
4914 | * null-termination). | |
4915 | */ | |
b4687da7 | 4916 | xdr_terminate_string(rcvbuf, len); |
1da177e4 | 4917 | return 0; |
c0eae66e BH |
4918 | out_overflow: |
4919 | print_overflow_msg(__func__, xdr); | |
4920 | return -EIO; | |
1da177e4 LT |
4921 | } |
4922 | ||
4923 | static int decode_remove(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4924 | { | |
4925 | int status; | |
4926 | ||
4927 | status = decode_op_hdr(xdr, OP_REMOVE); | |
4928 | if (status) | |
4929 | goto out; | |
4930 | status = decode_change_info(xdr, cinfo); | |
4931 | out: | |
4932 | return status; | |
4933 | } | |
4934 | ||
4935 | static int decode_rename(struct xdr_stream *xdr, struct nfs4_change_info *old_cinfo, | |
4936 | struct nfs4_change_info *new_cinfo) | |
4937 | { | |
4938 | int status; | |
4939 | ||
4940 | status = decode_op_hdr(xdr, OP_RENAME); | |
4941 | if (status) | |
4942 | goto out; | |
4943 | if ((status = decode_change_info(xdr, old_cinfo))) | |
4944 | goto out; | |
4945 | status = decode_change_info(xdr, new_cinfo); | |
4946 | out: | |
4947 | return status; | |
4948 | } | |
4949 | ||
4950 | static int decode_renew(struct xdr_stream *xdr) | |
4951 | { | |
4952 | return decode_op_hdr(xdr, OP_RENEW); | |
4953 | } | |
4954 | ||
56ae19f3 TM |
4955 | static int |
4956 | decode_restorefh(struct xdr_stream *xdr) | |
4957 | { | |
4958 | return decode_op_hdr(xdr, OP_RESTOREFH); | |
4959 | } | |
4960 | ||
029d105e | 4961 | static int decode_getacl(struct xdr_stream *xdr, struct rpc_rqst *req, |
bf118a34 | 4962 | struct nfs_getaclres *res) |
029d105e | 4963 | { |
bf118a34 | 4964 | __be32 *savep, *bm_p; |
029d105e | 4965 | uint32_t attrlen, |
dae100c2 | 4966 | bitmap[3] = {0}; |
029d105e BF |
4967 | struct kvec *iov = req->rq_rcv_buf.head; |
4968 | int status; | |
4969 | ||
bf118a34 | 4970 | res->acl_len = 0; |
029d105e BF |
4971 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
4972 | goto out; | |
bf118a34 | 4973 | bm_p = xdr->p; |
029d105e BF |
4974 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) |
4975 | goto out; | |
4976 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4977 | goto out; | |
4978 | ||
4979 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACL - 1U))) | |
4980 | return -EIO; | |
4981 | if (likely(bitmap[0] & FATTR4_WORD0_ACL)) { | |
bcecff77 CL |
4982 | size_t hdrlen; |
4983 | u32 recvd; | |
029d105e | 4984 | |
bf118a34 AA |
4985 | /* The bitmap (xdr len + bitmaps) and the attr xdr len words |
4986 | * are stored with the acl data to handle the problem of | |
4987 | * variable length bitmaps.*/ | |
4988 | xdr->p = bm_p; | |
4989 | res->acl_data_offset = be32_to_cpup(bm_p) + 2; | |
4990 | res->acl_data_offset <<= 2; | |
4991 | ||
029d105e BF |
4992 | /* We ignore &savep and don't do consistency checks on |
4993 | * the attr length. Let userspace figure it out.... */ | |
4994 | hdrlen = (u8 *)xdr->p - (u8 *)iov->iov_base; | |
bf118a34 | 4995 | attrlen += res->acl_data_offset; |
029d105e BF |
4996 | recvd = req->rq_rcv_buf.len - hdrlen; |
4997 | if (attrlen > recvd) { | |
bf118a34 AA |
4998 | if (res->acl_flags & NFS4_ACL_LEN_REQUEST) { |
4999 | /* getxattr interface called with a NULL buf */ | |
5000 | res->acl_len = attrlen; | |
5001 | goto out; | |
5002 | } | |
5003 | dprintk("NFS: acl reply: attrlen %u > recvd %u\n", | |
029d105e BF |
5004 | attrlen, recvd); |
5005 | return -EINVAL; | |
5006 | } | |
c04871e6 | 5007 | xdr_read_pages(xdr, attrlen); |
bf118a34 | 5008 | res->acl_len = attrlen; |
8c233cf9 BF |
5009 | } else |
5010 | status = -EOPNOTSUPP; | |
029d105e BF |
5011 | |
5012 | out: | |
5013 | return status; | |
5014 | } | |
5015 | ||
1da177e4 LT |
5016 | static int |
5017 | decode_savefh(struct xdr_stream *xdr) | |
5018 | { | |
5019 | return decode_op_hdr(xdr, OP_SAVEFH); | |
5020 | } | |
5021 | ||
9e9ecc03 | 5022 | static int decode_setattr(struct xdr_stream *xdr) |
1da177e4 | 5023 | { |
8687b63a | 5024 | __be32 *p; |
1da177e4 LT |
5025 | uint32_t bmlen; |
5026 | int status; | |
5027 | ||
1da177e4 LT |
5028 | status = decode_op_hdr(xdr, OP_SETATTR); |
5029 | if (status) | |
5030 | return status; | |
c0eae66e BH |
5031 | p = xdr_inline_decode(xdr, 4); |
5032 | if (unlikely(!p)) | |
5033 | goto out_overflow; | |
cccddf4f | 5034 | bmlen = be32_to_cpup(p); |
c0eae66e BH |
5035 | p = xdr_inline_decode(xdr, bmlen << 2); |
5036 | if (likely(p)) | |
5037 | return 0; | |
5038 | out_overflow: | |
5039 | print_overflow_msg(__func__, xdr); | |
5040 | return -EIO; | |
1da177e4 LT |
5041 | } |
5042 | ||
bb8b27e5 | 5043 | static int decode_setclientid(struct xdr_stream *xdr, struct nfs4_setclientid_res *res) |
1da177e4 | 5044 | { |
8687b63a | 5045 | __be32 *p; |
1da177e4 LT |
5046 | uint32_t opnum; |
5047 | int32_t nfserr; | |
5048 | ||
c0eae66e BH |
5049 | p = xdr_inline_decode(xdr, 8); |
5050 | if (unlikely(!p)) | |
5051 | goto out_overflow; | |
6f723f77 | 5052 | opnum = be32_to_cpup(p++); |
1da177e4 | 5053 | if (opnum != OP_SETCLIENTID) { |
fe82a183 | 5054 | dprintk("nfs: decode_setclientid: Server returned operation" |
6c0195a4 | 5055 | " %d\n", opnum); |
1da177e4 LT |
5056 | return -EIO; |
5057 | } | |
cccddf4f | 5058 | nfserr = be32_to_cpup(p); |
1da177e4 | 5059 | if (nfserr == NFS_OK) { |
c0eae66e BH |
5060 | p = xdr_inline_decode(xdr, 8 + NFS4_VERIFIER_SIZE); |
5061 | if (unlikely(!p)) | |
5062 | goto out_overflow; | |
bb8b27e5 TM |
5063 | p = xdr_decode_hyper(p, &res->clientid); |
5064 | memcpy(res->confirm.data, p, NFS4_VERIFIER_SIZE); | |
1da177e4 LT |
5065 | } else if (nfserr == NFSERR_CLID_INUSE) { |
5066 | uint32_t len; | |
5067 | ||
5068 | /* skip netid string */ | |
c0eae66e BH |
5069 | p = xdr_inline_decode(xdr, 4); |
5070 | if (unlikely(!p)) | |
5071 | goto out_overflow; | |
cccddf4f | 5072 | len = be32_to_cpup(p); |
c0eae66e BH |
5073 | p = xdr_inline_decode(xdr, len); |
5074 | if (unlikely(!p)) | |
5075 | goto out_overflow; | |
1da177e4 LT |
5076 | |
5077 | /* skip uaddr string */ | |
c0eae66e BH |
5078 | p = xdr_inline_decode(xdr, 4); |
5079 | if (unlikely(!p)) | |
5080 | goto out_overflow; | |
cccddf4f | 5081 | len = be32_to_cpup(p); |
c0eae66e BH |
5082 | p = xdr_inline_decode(xdr, len); |
5083 | if (unlikely(!p)) | |
5084 | goto out_overflow; | |
1da177e4 LT |
5085 | return -NFSERR_CLID_INUSE; |
5086 | } else | |
856dff3d | 5087 | return nfs4_stat_to_errno(nfserr); |
1da177e4 LT |
5088 | |
5089 | return 0; | |
c0eae66e BH |
5090 | out_overflow: |
5091 | print_overflow_msg(__func__, xdr); | |
5092 | return -EIO; | |
1da177e4 LT |
5093 | } |
5094 | ||
5095 | static int decode_setclientid_confirm(struct xdr_stream *xdr) | |
5096 | { | |
5097 | return decode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM); | |
5098 | } | |
5099 | ||
5100 | static int decode_write(struct xdr_stream *xdr, struct nfs_writeres *res) | |
5101 | { | |
8687b63a | 5102 | __be32 *p; |
1da177e4 LT |
5103 | int status; |
5104 | ||
5105 | status = decode_op_hdr(xdr, OP_WRITE); | |
5106 | if (status) | |
5107 | return status; | |
5108 | ||
c0eae66e BH |
5109 | p = xdr_inline_decode(xdr, 16); |
5110 | if (unlikely(!p)) | |
5111 | goto out_overflow; | |
6f723f77 BH |
5112 | res->count = be32_to_cpup(p++); |
5113 | res->verf->committed = be32_to_cpup(p++); | |
cd93710e | 5114 | memcpy(res->verf->verifier, p, NFS4_VERIFIER_SIZE); |
1da177e4 | 5115 | return 0; |
c0eae66e BH |
5116 | out_overflow: |
5117 | print_overflow_msg(__func__, xdr); | |
5118 | return -EIO; | |
1da177e4 LT |
5119 | } |
5120 | ||
5121 | static int decode_delegreturn(struct xdr_stream *xdr) | |
5122 | { | |
5123 | return decode_op_hdr(xdr, OP_DELEGRETURN); | |
5124 | } | |
5125 | ||
5a5ea0d4 BS |
5126 | static int decode_secinfo_gss(struct xdr_stream *xdr, struct nfs4_secinfo_flavor *flavor) |
5127 | { | |
5128 | __be32 *p; | |
5129 | ||
5130 | p = xdr_inline_decode(xdr, 4); | |
5131 | if (unlikely(!p)) | |
5132 | goto out_overflow; | |
5133 | flavor->gss.sec_oid4.len = be32_to_cpup(p); | |
5134 | if (flavor->gss.sec_oid4.len > GSS_OID_MAX_LEN) | |
5135 | goto out_err; | |
5136 | ||
5137 | p = xdr_inline_decode(xdr, flavor->gss.sec_oid4.len); | |
5138 | if (unlikely(!p)) | |
5139 | goto out_overflow; | |
5140 | memcpy(flavor->gss.sec_oid4.data, p, flavor->gss.sec_oid4.len); | |
5141 | ||
5142 | p = xdr_inline_decode(xdr, 8); | |
5143 | if (unlikely(!p)) | |
5144 | goto out_overflow; | |
5145 | flavor->gss.qop4 = be32_to_cpup(p++); | |
5146 | flavor->gss.service = be32_to_cpup(p); | |
5147 | ||
5148 | return 0; | |
5149 | ||
5150 | out_overflow: | |
5151 | print_overflow_msg(__func__, xdr); | |
5152 | return -EIO; | |
5153 | out_err: | |
5154 | return -EINVAL; | |
5155 | } | |
5156 | ||
5157 | static int decode_secinfo(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) | |
5158 | { | |
5159 | struct nfs4_secinfo_flavor *sec_flavor; | |
5160 | int status; | |
5161 | __be32 *p; | |
c3dfc280 | 5162 | int i, num_flavors; |
5a5ea0d4 BS |
5163 | |
5164 | status = decode_op_hdr(xdr, OP_SECINFO); | |
613e901e BS |
5165 | if (status) |
5166 | goto out; | |
5a5ea0d4 BS |
5167 | p = xdr_inline_decode(xdr, 4); |
5168 | if (unlikely(!p)) | |
5169 | goto out_overflow; | |
5a5ea0d4 | 5170 | |
c3dfc280 BS |
5171 | res->flavors->num_flavors = 0; |
5172 | num_flavors = be32_to_cpup(p); | |
5173 | ||
5174 | for (i = 0; i < num_flavors; i++) { | |
5a5ea0d4 | 5175 | sec_flavor = &res->flavors->flavors[i]; |
c3dfc280 | 5176 | if ((char *)&sec_flavor[1] - (char *)res->flavors > PAGE_SIZE) |
5a5ea0d4 BS |
5177 | break; |
5178 | ||
5179 | p = xdr_inline_decode(xdr, 4); | |
5180 | if (unlikely(!p)) | |
5181 | goto out_overflow; | |
5182 | sec_flavor->flavor = be32_to_cpup(p); | |
5183 | ||
5184 | if (sec_flavor->flavor == RPC_AUTH_GSS) { | |
613e901e BS |
5185 | status = decode_secinfo_gss(xdr, sec_flavor); |
5186 | if (status) | |
5187 | goto out; | |
5a5ea0d4 | 5188 | } |
c3dfc280 | 5189 | res->flavors->num_flavors++; |
5a5ea0d4 BS |
5190 | } |
5191 | ||
613e901e BS |
5192 | out: |
5193 | return status; | |
5a5ea0d4 BS |
5194 | out_overflow: |
5195 | print_overflow_msg(__func__, xdr); | |
5196 | return -EIO; | |
5197 | } | |
5198 | ||
99fe60d0 BH |
5199 | #if defined(CONFIG_NFS_V4_1) |
5200 | static int decode_exchange_id(struct xdr_stream *xdr, | |
5201 | struct nfs41_exchange_id_res *res) | |
5202 | { | |
5203 | __be32 *p; | |
5204 | uint32_t dummy; | |
2460ba57 | 5205 | char *dummy_str; |
99fe60d0 BH |
5206 | int status; |
5207 | struct nfs_client *clp = res->client; | |
7d2ed9ac | 5208 | uint32_t impl_id_count; |
99fe60d0 BH |
5209 | |
5210 | status = decode_op_hdr(xdr, OP_EXCHANGE_ID); | |
5211 | if (status) | |
5212 | return status; | |
5213 | ||
c0eae66e BH |
5214 | p = xdr_inline_decode(xdr, 8); |
5215 | if (unlikely(!p)) | |
5216 | goto out_overflow; | |
114f64b5 | 5217 | xdr_decode_hyper(p, &clp->cl_clientid); |
c0eae66e BH |
5218 | p = xdr_inline_decode(xdr, 12); |
5219 | if (unlikely(!p)) | |
5220 | goto out_overflow; | |
6f723f77 BH |
5221 | clp->cl_seqid = be32_to_cpup(p++); |
5222 | clp->cl_exchange_flags = be32_to_cpup(p++); | |
99fe60d0 BH |
5223 | |
5224 | /* We ask for SP4_NONE */ | |
cccddf4f | 5225 | dummy = be32_to_cpup(p); |
99fe60d0 BH |
5226 | if (dummy != SP4_NONE) |
5227 | return -EIO; | |
5228 | ||
5229 | /* Throw away minor_id */ | |
c0eae66e BH |
5230 | p = xdr_inline_decode(xdr, 8); |
5231 | if (unlikely(!p)) | |
5232 | goto out_overflow; | |
99fe60d0 BH |
5233 | |
5234 | /* Throw away Major id */ | |
2460ba57 BH |
5235 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
5236 | if (unlikely(status)) | |
5237 | return status; | |
99fe60d0 | 5238 | |
78fe0f41 | 5239 | /* Save server_scope */ |
2460ba57 BH |
5240 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
5241 | if (unlikely(status)) | |
5242 | return status; | |
99fe60d0 | 5243 | |
78fe0f41 WAA |
5244 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) |
5245 | return -EIO; | |
5246 | ||
5247 | memcpy(res->server_scope->server_scope, dummy_str, dummy); | |
5248 | res->server_scope->server_scope_sz = dummy; | |
5249 | ||
7d2ed9ac WAA |
5250 | /* Implementation Id */ |
5251 | p = xdr_inline_decode(xdr, 4); | |
5252 | if (unlikely(!p)) | |
5253 | goto out_overflow; | |
5254 | impl_id_count = be32_to_cpup(p++); | |
99fe60d0 | 5255 | |
7d2ed9ac WAA |
5256 | if (impl_id_count) { |
5257 | /* nii_domain */ | |
5258 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); | |
5259 | if (unlikely(status)) | |
5260 | return status; | |
5261 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) | |
5262 | return -EIO; | |
5263 | memcpy(res->impl_id->domain, dummy_str, dummy); | |
5264 | ||
5265 | /* nii_name */ | |
5266 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); | |
5267 | if (unlikely(status)) | |
5268 | return status; | |
5269 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) | |
5270 | return -EIO; | |
5271 | memcpy(res->impl_id->name, dummy_str, dummy); | |
5272 | ||
5273 | /* nii_date */ | |
5274 | p = xdr_inline_decode(xdr, 12); | |
5275 | if (unlikely(!p)) | |
5276 | goto out_overflow; | |
5277 | p = xdr_decode_hyper(p, &res->impl_id->date.seconds); | |
5278 | res->impl_id->date.nseconds = be32_to_cpup(p); | |
5279 | ||
5280 | /* if there's more than one entry, ignore the rest */ | |
5281 | } | |
99fe60d0 | 5282 | return 0; |
c0eae66e BH |
5283 | out_overflow: |
5284 | print_overflow_msg(__func__, xdr); | |
5285 | return -EIO; | |
99fe60d0 | 5286 | } |
fc931582 AA |
5287 | |
5288 | static int decode_chan_attrs(struct xdr_stream *xdr, | |
5289 | struct nfs4_channel_attrs *attrs) | |
5290 | { | |
5291 | __be32 *p; | |
c9c30dd5 | 5292 | u32 nr_attrs, val; |
fc931582 | 5293 | |
c0eae66e BH |
5294 | p = xdr_inline_decode(xdr, 28); |
5295 | if (unlikely(!p)) | |
5296 | goto out_overflow; | |
c9c30dd5 BH |
5297 | val = be32_to_cpup(p++); /* headerpadsz */ |
5298 | if (val) | |
5299 | return -EINVAL; /* no support for header padding yet */ | |
6f723f77 BH |
5300 | attrs->max_rqst_sz = be32_to_cpup(p++); |
5301 | attrs->max_resp_sz = be32_to_cpup(p++); | |
5302 | attrs->max_resp_sz_cached = be32_to_cpup(p++); | |
5303 | attrs->max_ops = be32_to_cpup(p++); | |
5304 | attrs->max_reqs = be32_to_cpup(p++); | |
cccddf4f | 5305 | nr_attrs = be32_to_cpup(p); |
fc931582 | 5306 | if (unlikely(nr_attrs > 1)) { |
a030889a WAA |
5307 | printk(KERN_WARNING "NFS: %s: Invalid rdma channel attrs " |
5308 | "count %u\n", __func__, nr_attrs); | |
fc931582 AA |
5309 | return -EINVAL; |
5310 | } | |
c0eae66e BH |
5311 | if (nr_attrs == 1) { |
5312 | p = xdr_inline_decode(xdr, 4); /* skip rdma_attrs */ | |
5313 | if (unlikely(!p)) | |
5314 | goto out_overflow; | |
5315 | } | |
fc931582 | 5316 | return 0; |
c0eae66e BH |
5317 | out_overflow: |
5318 | print_overflow_msg(__func__, xdr); | |
5319 | return -EIO; | |
fc931582 AA |
5320 | } |
5321 | ||
e78291e4 BH |
5322 | static int decode_sessionid(struct xdr_stream *xdr, struct nfs4_sessionid *sid) |
5323 | { | |
5324 | return decode_opaque_fixed(xdr, sid->data, NFS4_MAX_SESSIONID_LEN); | |
fc931582 AA |
5325 | } |
5326 | ||
5327 | static int decode_create_session(struct xdr_stream *xdr, | |
5328 | struct nfs41_create_session_res *res) | |
5329 | { | |
5330 | __be32 *p; | |
5331 | int status; | |
5332 | struct nfs_client *clp = res->client; | |
5333 | struct nfs4_session *session = clp->cl_session; | |
5334 | ||
5335 | status = decode_op_hdr(xdr, OP_CREATE_SESSION); | |
e78291e4 BH |
5336 | if (!status) |
5337 | status = decode_sessionid(xdr, &session->sess_id); | |
5338 | if (unlikely(status)) | |
fc931582 AA |
5339 | return status; |
5340 | ||
fc931582 | 5341 | /* seqid, flags */ |
c0eae66e BH |
5342 | p = xdr_inline_decode(xdr, 8); |
5343 | if (unlikely(!p)) | |
5344 | goto out_overflow; | |
6f723f77 | 5345 | clp->cl_seqid = be32_to_cpup(p++); |
cccddf4f | 5346 | session->flags = be32_to_cpup(p); |
fc931582 AA |
5347 | |
5348 | /* Channel attributes */ | |
5349 | status = decode_chan_attrs(xdr, &session->fc_attrs); | |
5350 | if (!status) | |
5351 | status = decode_chan_attrs(xdr, &session->bc_attrs); | |
5352 | return status; | |
c0eae66e BH |
5353 | out_overflow: |
5354 | print_overflow_msg(__func__, xdr); | |
5355 | return -EIO; | |
fc931582 | 5356 | } |
0f3e66c6 AA |
5357 | |
5358 | static int decode_destroy_session(struct xdr_stream *xdr, void *dummy) | |
5359 | { | |
5360 | return decode_op_hdr(xdr, OP_DESTROY_SESSION); | |
5361 | } | |
18019753 RL |
5362 | |
5363 | static int decode_reclaim_complete(struct xdr_stream *xdr, void *dummy) | |
5364 | { | |
5365 | return decode_op_hdr(xdr, OP_RECLAIM_COMPLETE); | |
5366 | } | |
99fe60d0 BH |
5367 | #endif /* CONFIG_NFS_V4_1 */ |
5368 | ||
9b7b9fcc AA |
5369 | static int decode_sequence(struct xdr_stream *xdr, |
5370 | struct nfs4_sequence_res *res, | |
5371 | struct rpc_rqst *rqstp) | |
5372 | { | |
5373 | #if defined(CONFIG_NFS_V4_1) | |
fc01cea9 AA |
5374 | struct nfs4_sessionid id; |
5375 | u32 dummy; | |
5376 | int status; | |
5377 | __be32 *p; | |
5378 | ||
9b7b9fcc AA |
5379 | if (!res->sr_session) |
5380 | return 0; | |
5381 | ||
fc01cea9 | 5382 | status = decode_op_hdr(xdr, OP_SEQUENCE); |
e78291e4 BH |
5383 | if (!status) |
5384 | status = decode_sessionid(xdr, &id); | |
5385 | if (unlikely(status)) | |
fc01cea9 | 5386 | goto out_err; |
9b7b9fcc | 5387 | |
fc01cea9 AA |
5388 | /* |
5389 | * If the server returns different values for sessionID, slotID or | |
5390 | * sequence number, the server is looney tunes. | |
5391 | */ | |
fdcb4577 | 5392 | status = -EREMOTEIO; |
fc01cea9 | 5393 | |
fc01cea9 AA |
5394 | if (memcmp(id.data, res->sr_session->sess_id.data, |
5395 | NFS4_MAX_SESSIONID_LEN)) { | |
5396 | dprintk("%s Invalid session id\n", __func__); | |
5397 | goto out_err; | |
5398 | } | |
e78291e4 | 5399 | |
c0eae66e BH |
5400 | p = xdr_inline_decode(xdr, 20); |
5401 | if (unlikely(!p)) | |
5402 | goto out_overflow; | |
e78291e4 | 5403 | |
fc01cea9 | 5404 | /* seqid */ |
6f723f77 | 5405 | dummy = be32_to_cpup(p++); |
dfb4f309 | 5406 | if (dummy != res->sr_slot->seq_nr) { |
fc01cea9 AA |
5407 | dprintk("%s Invalid sequence number\n", __func__); |
5408 | goto out_err; | |
5409 | } | |
5410 | /* slot id */ | |
6f723f77 | 5411 | dummy = be32_to_cpup(p++); |
dfb4f309 | 5412 | if (dummy != res->sr_slot - res->sr_session->fc_slot_table.slots) { |
fc01cea9 AA |
5413 | dprintk("%s Invalid slot id\n", __func__); |
5414 | goto out_err; | |
5415 | } | |
5416 | /* highest slot id - currently not processed */ | |
6f723f77 | 5417 | dummy = be32_to_cpup(p++); |
fc01cea9 | 5418 | /* target highest slot id - currently not processed */ |
6f723f77 | 5419 | dummy = be32_to_cpup(p++); |
0629e370 AB |
5420 | /* result flags */ |
5421 | res->sr_status_flags = be32_to_cpup(p); | |
fc01cea9 AA |
5422 | status = 0; |
5423 | out_err: | |
5424 | res->sr_status = status; | |
5425 | return status; | |
c0eae66e BH |
5426 | out_overflow: |
5427 | print_overflow_msg(__func__, xdr); | |
5428 | status = -EIO; | |
5429 | goto out_err; | |
fc01cea9 | 5430 | #else /* CONFIG_NFS_V4_1 */ |
9b7b9fcc | 5431 | return 0; |
fc01cea9 | 5432 | #endif /* CONFIG_NFS_V4_1 */ |
9b7b9fcc AA |
5433 | } |
5434 | ||
b1f69b75 | 5435 | #if defined(CONFIG_NFS_V4_1) |
7f11d8d3 AA |
5436 | /* |
5437 | * TODO: Need to handle case when EOF != true; | |
5438 | */ | |
5439 | static int decode_getdevicelist(struct xdr_stream *xdr, | |
5440 | struct pnfs_devicelist *res) | |
5441 | { | |
5442 | __be32 *p; | |
5443 | int status, i; | |
5444 | struct nfs_writeverf verftemp; | |
5445 | ||
5446 | status = decode_op_hdr(xdr, OP_GETDEVICELIST); | |
5447 | if (status) | |
5448 | return status; | |
5449 | ||
5450 | p = xdr_inline_decode(xdr, 8 + 8 + 4); | |
5451 | if (unlikely(!p)) | |
5452 | goto out_overflow; | |
5453 | ||
5454 | /* TODO: Skip cookie for now */ | |
5455 | p += 2; | |
5456 | ||
5457 | /* Read verifier */ | |
cd93710e | 5458 | p = xdr_decode_opaque_fixed(p, verftemp.verifier, NFS4_VERIFIER_SIZE); |
7f11d8d3 AA |
5459 | |
5460 | res->num_devs = be32_to_cpup(p); | |
5461 | ||
5462 | dprintk("%s: num_dev %d\n", __func__, res->num_devs); | |
5463 | ||
5464 | if (res->num_devs > NFS4_PNFS_GETDEVLIST_MAXNUM) { | |
a030889a | 5465 | printk(KERN_ERR "NFS: %s too many result dev_num %u\n", |
7f11d8d3 AA |
5466 | __func__, res->num_devs); |
5467 | return -EIO; | |
5468 | } | |
5469 | ||
5470 | p = xdr_inline_decode(xdr, | |
5471 | res->num_devs * NFS4_DEVICEID4_SIZE + 4); | |
5472 | if (unlikely(!p)) | |
5473 | goto out_overflow; | |
5474 | for (i = 0; i < res->num_devs; i++) | |
5475 | p = xdr_decode_opaque_fixed(p, res->dev_id[i].data, | |
5476 | NFS4_DEVICEID4_SIZE); | |
5477 | res->eof = be32_to_cpup(p); | |
5478 | return 0; | |
5479 | out_overflow: | |
5480 | print_overflow_msg(__func__, xdr); | |
5481 | return -EIO; | |
5482 | } | |
b1f69b75 AA |
5483 | |
5484 | static int decode_getdeviceinfo(struct xdr_stream *xdr, | |
5485 | struct pnfs_device *pdev) | |
5486 | { | |
5487 | __be32 *p; | |
5488 | uint32_t len, type; | |
5489 | int status; | |
5490 | ||
5491 | status = decode_op_hdr(xdr, OP_GETDEVICEINFO); | |
5492 | if (status) { | |
5493 | if (status == -ETOOSMALL) { | |
5494 | p = xdr_inline_decode(xdr, 4); | |
5495 | if (unlikely(!p)) | |
5496 | goto out_overflow; | |
5497 | pdev->mincount = be32_to_cpup(p); | |
5498 | dprintk("%s: Min count too small. mincnt = %u\n", | |
5499 | __func__, pdev->mincount); | |
5500 | } | |
5501 | return status; | |
5502 | } | |
5503 | ||
5504 | p = xdr_inline_decode(xdr, 8); | |
5505 | if (unlikely(!p)) | |
5506 | goto out_overflow; | |
5507 | type = be32_to_cpup(p++); | |
5508 | if (type != pdev->layout_type) { | |
5509 | dprintk("%s: layout mismatch req: %u pdev: %u\n", | |
5510 | __func__, pdev->layout_type, type); | |
5511 | return -EINVAL; | |
5512 | } | |
5513 | /* | |
5514 | * Get the length of the opaque device_addr4. xdr_read_pages places | |
5515 | * the opaque device_addr4 in the xdr_buf->pages (pnfs_device->pages) | |
5516 | * and places the remaining xdr data in xdr_buf->tail | |
5517 | */ | |
5518 | pdev->mincount = be32_to_cpup(p); | |
5519 | xdr_read_pages(xdr, pdev->mincount); /* include space for the length */ | |
5520 | ||
5521 | /* Parse notification bitmap, verifying that it is zero. */ | |
5522 | p = xdr_inline_decode(xdr, 4); | |
5523 | if (unlikely(!p)) | |
5524 | goto out_overflow; | |
5525 | len = be32_to_cpup(p); | |
5526 | if (len) { | |
ead00597 | 5527 | uint32_t i; |
b1f69b75 AA |
5528 | |
5529 | p = xdr_inline_decode(xdr, 4 * len); | |
5530 | if (unlikely(!p)) | |
5531 | goto out_overflow; | |
5532 | for (i = 0; i < len; i++, p++) { | |
5533 | if (be32_to_cpup(p)) { | |
5534 | dprintk("%s: notifications not supported\n", | |
5535 | __func__); | |
5536 | return -EIO; | |
5537 | } | |
5538 | } | |
5539 | } | |
5540 | return 0; | |
5541 | out_overflow: | |
5542 | print_overflow_msg(__func__, xdr); | |
5543 | return -EIO; | |
5544 | } | |
5545 | ||
5546 | static int decode_layoutget(struct xdr_stream *xdr, struct rpc_rqst *req, | |
5547 | struct nfs4_layoutget_res *res) | |
5548 | { | |
5549 | __be32 *p; | |
5550 | int status; | |
5551 | u32 layout_count; | |
35124a09 WAA |
5552 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; |
5553 | struct kvec *iov = rcvbuf->head; | |
5554 | u32 hdrlen, recvd; | |
b1f69b75 AA |
5555 | |
5556 | status = decode_op_hdr(xdr, OP_LAYOUTGET); | |
5557 | if (status) | |
5558 | return status; | |
ea9d23f5 TM |
5559 | p = xdr_inline_decode(xdr, 4); |
5560 | if (unlikely(!p)) | |
5561 | goto out_overflow; | |
5562 | res->return_on_close = be32_to_cpup(p); | |
5563 | decode_stateid(xdr, &res->stateid); | |
5564 | p = xdr_inline_decode(xdr, 4); | |
b1f69b75 AA |
5565 | if (unlikely(!p)) |
5566 | goto out_overflow; | |
b1f69b75 AA |
5567 | layout_count = be32_to_cpup(p); |
5568 | if (!layout_count) { | |
5569 | dprintk("%s: server responded with empty layout array\n", | |
5570 | __func__); | |
5571 | return -EINVAL; | |
5572 | } | |
5573 | ||
35124a09 | 5574 | p = xdr_inline_decode(xdr, 28); |
b1f69b75 AA |
5575 | if (unlikely(!p)) |
5576 | goto out_overflow; | |
5577 | p = xdr_decode_hyper(p, &res->range.offset); | |
5578 | p = xdr_decode_hyper(p, &res->range.length); | |
5579 | res->range.iomode = be32_to_cpup(p++); | |
5580 | res->type = be32_to_cpup(p++); | |
35124a09 | 5581 | res->layoutp->len = be32_to_cpup(p); |
b1f69b75 AA |
5582 | |
5583 | dprintk("%s roff:%lu rlen:%lu riomode:%d, lo_type:0x%x, lo.len:%d\n", | |
5584 | __func__, | |
5585 | (unsigned long)res->range.offset, | |
5586 | (unsigned long)res->range.length, | |
5587 | res->range.iomode, | |
5588 | res->type, | |
35124a09 WAA |
5589 | res->layoutp->len); |
5590 | ||
5591 | hdrlen = (u8 *) xdr->p - (u8 *) iov->iov_base; | |
5592 | recvd = req->rq_rcv_buf.len - hdrlen; | |
5593 | if (res->layoutp->len > recvd) { | |
5594 | dprintk("NFS: server cheating in layoutget reply: " | |
5595 | "layout len %u > recvd %u\n", | |
5596 | res->layoutp->len, recvd); | |
5597 | return -EINVAL; | |
5598 | } | |
b1f69b75 | 5599 | |
35124a09 | 5600 | xdr_read_pages(xdr, res->layoutp->len); |
b1f69b75 AA |
5601 | |
5602 | if (layout_count > 1) { | |
5603 | /* We only handle a length one array at the moment. Any | |
5604 | * further entries are just ignored. Note that this means | |
5605 | * the client may see a response that is less than the | |
5606 | * minimum it requested. | |
5607 | */ | |
5608 | dprintk("%s: server responded with %d layouts, dropping tail\n", | |
5609 | __func__, layout_count); | |
5610 | } | |
5611 | ||
5612 | return 0; | |
5613 | out_overflow: | |
5614 | print_overflow_msg(__func__, xdr); | |
5615 | return -EIO; | |
5616 | } | |
863a3c6c | 5617 | |
cbe82603 BH |
5618 | static int decode_layoutreturn(struct xdr_stream *xdr, |
5619 | struct nfs4_layoutreturn_res *res) | |
5620 | { | |
5621 | __be32 *p; | |
5622 | int status; | |
5623 | ||
5624 | status = decode_op_hdr(xdr, OP_LAYOUTRETURN); | |
5625 | if (status) | |
5626 | return status; | |
5627 | p = xdr_inline_decode(xdr, 4); | |
5628 | if (unlikely(!p)) | |
5629 | goto out_overflow; | |
5630 | res->lrs_present = be32_to_cpup(p); | |
5631 | if (res->lrs_present) | |
5632 | status = decode_stateid(xdr, &res->stateid); | |
5633 | return status; | |
5634 | out_overflow: | |
5635 | print_overflow_msg(__func__, xdr); | |
5636 | return -EIO; | |
5637 | } | |
5638 | ||
863a3c6c AA |
5639 | static int decode_layoutcommit(struct xdr_stream *xdr, |
5640 | struct rpc_rqst *req, | |
5641 | struct nfs4_layoutcommit_res *res) | |
5642 | { | |
5643 | __be32 *p; | |
5644 | __u32 sizechanged; | |
5645 | int status; | |
5646 | ||
5647 | status = decode_op_hdr(xdr, OP_LAYOUTCOMMIT); | |
db29c089 | 5648 | res->status = status; |
863a3c6c AA |
5649 | if (status) |
5650 | return status; | |
5651 | ||
5652 | p = xdr_inline_decode(xdr, 4); | |
5653 | if (unlikely(!p)) | |
5654 | goto out_overflow; | |
5655 | sizechanged = be32_to_cpup(p); | |
5656 | ||
5657 | if (sizechanged) { | |
5658 | /* throw away new size */ | |
5659 | p = xdr_inline_decode(xdr, 8); | |
5660 | if (unlikely(!p)) | |
5661 | goto out_overflow; | |
5662 | } | |
5663 | return 0; | |
5664 | out_overflow: | |
5665 | print_overflow_msg(__func__, xdr); | |
5666 | return -EIO; | |
5667 | } | |
7d974794 BS |
5668 | |
5669 | static int decode_test_stateid(struct xdr_stream *xdr, | |
5670 | struct nfs41_test_stateid_res *res) | |
5671 | { | |
5672 | __be32 *p; | |
5673 | int status; | |
5674 | int num_res; | |
5675 | ||
5676 | status = decode_op_hdr(xdr, OP_TEST_STATEID); | |
5677 | if (status) | |
5678 | return status; | |
5679 | ||
5680 | p = xdr_inline_decode(xdr, 4); | |
5681 | if (unlikely(!p)) | |
5682 | goto out_overflow; | |
5683 | num_res = be32_to_cpup(p++); | |
5684 | if (num_res != 1) | |
5685 | goto out; | |
5686 | ||
5687 | p = xdr_inline_decode(xdr, 4); | |
5688 | if (unlikely(!p)) | |
5689 | goto out_overflow; | |
5690 | res->status = be32_to_cpup(p++); | |
1cab0652 BS |
5691 | |
5692 | return status; | |
7d974794 BS |
5693 | out_overflow: |
5694 | print_overflow_msg(__func__, xdr); | |
5695 | out: | |
5696 | return -EIO; | |
5697 | } | |
9aeda35f BS |
5698 | |
5699 | static int decode_free_stateid(struct xdr_stream *xdr, | |
5700 | struct nfs41_free_stateid_res *res) | |
5701 | { | |
5702 | __be32 *p; | |
5703 | int status; | |
5704 | ||
5705 | status = decode_op_hdr(xdr, OP_FREE_STATEID); | |
5706 | if (status) | |
5707 | return status; | |
5708 | ||
5709 | p = xdr_inline_decode(xdr, 4); | |
5710 | if (unlikely(!p)) | |
5711 | goto out_overflow; | |
5712 | res->status = be32_to_cpup(p++); | |
5713 | return res->status; | |
5714 | out_overflow: | |
5715 | print_overflow_msg(__func__, xdr); | |
5716 | return -EIO; | |
5717 | } | |
b1f69b75 AA |
5718 | #endif /* CONFIG_NFS_V4_1 */ |
5719 | ||
49c2559e BH |
5720 | /* |
5721 | * END OF "GENERIC" DECODE ROUTINES. | |
5722 | */ | |
5723 | ||
1da177e4 LT |
5724 | /* |
5725 | * Decode OPEN_DOWNGRADE response | |
5726 | */ | |
bf269551 CL |
5727 | static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst *rqstp, |
5728 | struct xdr_stream *xdr, | |
5729 | struct nfs_closeres *res) | |
1da177e4 | 5730 | { |
05d564fe AA |
5731 | struct compound_hdr hdr; |
5732 | int status; | |
5733 | ||
bf269551 | 5734 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5735 | if (status) |
5736 | goto out; | |
bf269551 | 5737 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
5738 | if (status) |
5739 | goto out; | |
bf269551 | 5740 | status = decode_putfh(xdr); |
05d564fe AA |
5741 | if (status) |
5742 | goto out; | |
bf269551 | 5743 | status = decode_open_downgrade(xdr, res); |
516a6af6 TM |
5744 | if (status != 0) |
5745 | goto out; | |
6926afd1 | 5746 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 | 5747 | out: |
05d564fe | 5748 | return status; |
1da177e4 LT |
5749 | } |
5750 | ||
1da177e4 LT |
5751 | /* |
5752 | * Decode ACCESS response | |
5753 | */ | |
bf269551 CL |
5754 | static int nfs4_xdr_dec_access(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5755 | struct nfs4_accessres *res) | |
1da177e4 | 5756 | { |
1da177e4 LT |
5757 | struct compound_hdr hdr; |
5758 | int status; | |
6c0195a4 | 5759 | |
bf269551 | 5760 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5761 | if (status) |
5762 | goto out; | |
bf269551 | 5763 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5764 | if (status) |
1da177e4 | 5765 | goto out; |
bf269551 | 5766 | status = decode_putfh(xdr); |
76b32999 TM |
5767 | if (status != 0) |
5768 | goto out; | |
bf269551 | 5769 | status = decode_access(xdr, res); |
76b32999 TM |
5770 | if (status != 0) |
5771 | goto out; | |
6926afd1 | 5772 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
5773 | out: |
5774 | return status; | |
5775 | } | |
5776 | ||
5777 | /* | |
5778 | * Decode LOOKUP response | |
5779 | */ | |
bf269551 CL |
5780 | static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5781 | struct nfs4_lookup_res *res) | |
1da177e4 | 5782 | { |
1da177e4 LT |
5783 | struct compound_hdr hdr; |
5784 | int status; | |
6c0195a4 | 5785 | |
bf269551 | 5786 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5787 | if (status) |
5788 | goto out; | |
bf269551 | 5789 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5790 | if (status) |
1da177e4 | 5791 | goto out; |
bf269551 CL |
5792 | status = decode_putfh(xdr); |
5793 | if (status) | |
1da177e4 | 5794 | goto out; |
bf269551 CL |
5795 | status = decode_lookup(xdr); |
5796 | if (status) | |
1da177e4 | 5797 | goto out; |
bf269551 CL |
5798 | status = decode_getfh(xdr, res->fh); |
5799 | if (status) | |
1da177e4 | 5800 | goto out; |
6926afd1 | 5801 | status = decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
5802 | out: |
5803 | return status; | |
5804 | } | |
5805 | ||
5806 | /* | |
5807 | * Decode LOOKUP_ROOT response | |
5808 | */ | |
bf269551 CL |
5809 | static int nfs4_xdr_dec_lookup_root(struct rpc_rqst *rqstp, |
5810 | struct xdr_stream *xdr, | |
5811 | struct nfs4_lookup_res *res) | |
1da177e4 | 5812 | { |
1da177e4 LT |
5813 | struct compound_hdr hdr; |
5814 | int status; | |
6c0195a4 | 5815 | |
bf269551 | 5816 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5817 | if (status) |
5818 | goto out; | |
bf269551 | 5819 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5820 | if (status) |
1da177e4 | 5821 | goto out; |
bf269551 CL |
5822 | status = decode_putrootfh(xdr); |
5823 | if (status) | |
1da177e4 | 5824 | goto out; |
bf269551 CL |
5825 | status = decode_getfh(xdr, res->fh); |
5826 | if (status == 0) | |
6926afd1 | 5827 | status = decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
5828 | out: |
5829 | return status; | |
5830 | } | |
5831 | ||
5832 | /* | |
5833 | * Decode REMOVE response | |
5834 | */ | |
bf269551 CL |
5835 | static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5836 | struct nfs_removeres *res) | |
1da177e4 | 5837 | { |
1da177e4 LT |
5838 | struct compound_hdr hdr; |
5839 | int status; | |
6c0195a4 | 5840 | |
bf269551 | 5841 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5842 | if (status) |
5843 | goto out; | |
bf269551 | 5844 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5845 | if (status) |
1da177e4 | 5846 | goto out; |
bf269551 CL |
5847 | status = decode_putfh(xdr); |
5848 | if (status) | |
16e42959 | 5849 | goto out; |
bf269551 CL |
5850 | status = decode_remove(xdr, &res->cinfo); |
5851 | if (status) | |
16e42959 | 5852 | goto out; |
6926afd1 | 5853 | decode_getfattr(xdr, res->dir_attr, res->server); |
1da177e4 LT |
5854 | out: |
5855 | return status; | |
5856 | } | |
5857 | ||
5858 | /* | |
5859 | * Decode RENAME response | |
5860 | */ | |
bf269551 CL |
5861 | static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5862 | struct nfs_renameres *res) | |
1da177e4 | 5863 | { |
1da177e4 LT |
5864 | struct compound_hdr hdr; |
5865 | int status; | |
6c0195a4 | 5866 | |
bf269551 | 5867 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5868 | if (status) |
5869 | goto out; | |
bf269551 | 5870 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5871 | if (status) |
1da177e4 | 5872 | goto out; |
bf269551 CL |
5873 | status = decode_putfh(xdr); |
5874 | if (status) | |
1da177e4 | 5875 | goto out; |
bf269551 CL |
5876 | status = decode_savefh(xdr); |
5877 | if (status) | |
1da177e4 | 5878 | goto out; |
bf269551 CL |
5879 | status = decode_putfh(xdr); |
5880 | if (status) | |
1da177e4 | 5881 | goto out; |
bf269551 CL |
5882 | status = decode_rename(xdr, &res->old_cinfo, &res->new_cinfo); |
5883 | if (status) | |
6caf2c82 TM |
5884 | goto out; |
5885 | /* Current FH is target directory */ | |
6926afd1 | 5886 | if (decode_getfattr(xdr, res->new_fattr, res->server)) |
6caf2c82 | 5887 | goto out; |
bf269551 CL |
5888 | status = decode_restorefh(xdr); |
5889 | if (status) | |
6caf2c82 | 5890 | goto out; |
6926afd1 | 5891 | decode_getfattr(xdr, res->old_fattr, res->server); |
1da177e4 LT |
5892 | out: |
5893 | return status; | |
5894 | } | |
5895 | ||
5896 | /* | |
5897 | * Decode LINK response | |
5898 | */ | |
bf269551 CL |
5899 | static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5900 | struct nfs4_link_res *res) | |
1da177e4 | 5901 | { |
1da177e4 LT |
5902 | struct compound_hdr hdr; |
5903 | int status; | |
6c0195a4 | 5904 | |
bf269551 | 5905 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5906 | if (status) |
5907 | goto out; | |
bf269551 | 5908 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5909 | if (status) |
1da177e4 | 5910 | goto out; |
bf269551 CL |
5911 | status = decode_putfh(xdr); |
5912 | if (status) | |
1da177e4 | 5913 | goto out; |
bf269551 CL |
5914 | status = decode_savefh(xdr); |
5915 | if (status) | |
1da177e4 | 5916 | goto out; |
bf269551 CL |
5917 | status = decode_putfh(xdr); |
5918 | if (status) | |
1da177e4 | 5919 | goto out; |
bf269551 CL |
5920 | status = decode_link(xdr, &res->cinfo); |
5921 | if (status) | |
91ba2eee TM |
5922 | goto out; |
5923 | /* | |
5924 | * Note order: OP_LINK leaves the directory as the current | |
5925 | * filehandle. | |
5926 | */ | |
6926afd1 | 5927 | if (decode_getfattr(xdr, res->dir_attr, res->server)) |
91ba2eee | 5928 | goto out; |
bf269551 CL |
5929 | status = decode_restorefh(xdr); |
5930 | if (status) | |
91ba2eee | 5931 | goto out; |
6926afd1 | 5932 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
5933 | out: |
5934 | return status; | |
5935 | } | |
5936 | ||
5937 | /* | |
5938 | * Decode CREATE response | |
5939 | */ | |
bf269551 CL |
5940 | static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5941 | struct nfs4_create_res *res) | |
1da177e4 | 5942 | { |
1da177e4 LT |
5943 | struct compound_hdr hdr; |
5944 | int status; | |
6c0195a4 | 5945 | |
bf269551 | 5946 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5947 | if (status) |
5948 | goto out; | |
bf269551 | 5949 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5950 | if (status) |
1da177e4 | 5951 | goto out; |
bf269551 CL |
5952 | status = decode_putfh(xdr); |
5953 | if (status) | |
1da177e4 | 5954 | goto out; |
bf269551 CL |
5955 | status = decode_savefh(xdr); |
5956 | if (status) | |
56ae19f3 | 5957 | goto out; |
bf269551 CL |
5958 | status = decode_create(xdr, &res->dir_cinfo); |
5959 | if (status) | |
1da177e4 | 5960 | goto out; |
bf269551 CL |
5961 | status = decode_getfh(xdr, res->fh); |
5962 | if (status) | |
1da177e4 | 5963 | goto out; |
6926afd1 | 5964 | if (decode_getfattr(xdr, res->fattr, res->server)) |
56ae19f3 | 5965 | goto out; |
bf269551 CL |
5966 | status = decode_restorefh(xdr); |
5967 | if (status) | |
56ae19f3 | 5968 | goto out; |
6926afd1 | 5969 | decode_getfattr(xdr, res->dir_fattr, res->server); |
1da177e4 LT |
5970 | out: |
5971 | return status; | |
5972 | } | |
5973 | ||
5974 | /* | |
5975 | * Decode SYMLINK response | |
5976 | */ | |
bf269551 CL |
5977 | static int nfs4_xdr_dec_symlink(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5978 | struct nfs4_create_res *res) | |
1da177e4 | 5979 | { |
bf269551 | 5980 | return nfs4_xdr_dec_create(rqstp, xdr, res); |
1da177e4 LT |
5981 | } |
5982 | ||
5983 | /* | |
5984 | * Decode GETATTR response | |
5985 | */ | |
bf269551 CL |
5986 | static int nfs4_xdr_dec_getattr(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5987 | struct nfs4_getattr_res *res) | |
1da177e4 | 5988 | { |
1da177e4 LT |
5989 | struct compound_hdr hdr; |
5990 | int status; | |
6c0195a4 | 5991 | |
bf269551 | 5992 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5993 | if (status) |
5994 | goto out; | |
bf269551 | 5995 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
5996 | if (status) |
5997 | goto out; | |
bf269551 | 5998 | status = decode_putfh(xdr); |
1da177e4 LT |
5999 | if (status) |
6000 | goto out; | |
6926afd1 | 6001 | status = decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6002 | out: |
6003 | return status; | |
1da177e4 LT |
6004 | } |
6005 | ||
23ec6965 BF |
6006 | /* |
6007 | * Encode an SETACL request | |
6008 | */ | |
9f06c719 CL |
6009 | static void nfs4_xdr_enc_setacl(struct rpc_rqst *req, struct xdr_stream *xdr, |
6010 | struct nfs_setaclargs *args) | |
23ec6965 | 6011 | { |
05d564fe | 6012 | struct compound_hdr hdr = { |
66cc0429 | 6013 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 6014 | }; |
05d564fe | 6015 | |
9f06c719 CL |
6016 | encode_compound_hdr(xdr, req, &hdr); |
6017 | encode_sequence(xdr, &args->seq_args, &hdr); | |
6018 | encode_putfh(xdr, args->fh, &hdr); | |
6019 | encode_setacl(xdr, args, &hdr); | |
d017931c | 6020 | encode_nops(&hdr); |
23ec6965 | 6021 | } |
05d564fe | 6022 | |
23ec6965 BF |
6023 | /* |
6024 | * Decode SETACL response | |
6025 | */ | |
6026 | static int | |
bf269551 | 6027 | nfs4_xdr_dec_setacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
73c403a9 | 6028 | struct nfs_setaclres *res) |
23ec6965 | 6029 | { |
23ec6965 BF |
6030 | struct compound_hdr hdr; |
6031 | int status; | |
6032 | ||
bf269551 | 6033 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6034 | if (status) |
6035 | goto out; | |
bf269551 | 6036 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
23ec6965 BF |
6037 | if (status) |
6038 | goto out; | |
bf269551 | 6039 | status = decode_putfh(xdr); |
23ec6965 BF |
6040 | if (status) |
6041 | goto out; | |
bf269551 | 6042 | status = decode_setattr(xdr); |
23ec6965 BF |
6043 | out: |
6044 | return status; | |
6045 | } | |
1da177e4 | 6046 | |
029d105e BF |
6047 | /* |
6048 | * Decode GETACL response | |
6049 | */ | |
6050 | static int | |
bf269551 | 6051 | nfs4_xdr_dec_getacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
663c79b3 | 6052 | struct nfs_getaclres *res) |
029d105e | 6053 | { |
029d105e BF |
6054 | struct compound_hdr hdr; |
6055 | int status; | |
6056 | ||
331818f1 TM |
6057 | if (res->acl_scratch != NULL) { |
6058 | void *p = page_address(res->acl_scratch); | |
6059 | xdr_set_scratch_buffer(xdr, p, PAGE_SIZE); | |
6060 | } | |
bf269551 | 6061 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6062 | if (status) |
6063 | goto out; | |
bf269551 | 6064 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
029d105e BF |
6065 | if (status) |
6066 | goto out; | |
bf269551 | 6067 | status = decode_putfh(xdr); |
029d105e BF |
6068 | if (status) |
6069 | goto out; | |
bf118a34 | 6070 | status = decode_getacl(xdr, rqstp, res); |
029d105e BF |
6071 | |
6072 | out: | |
6073 | return status; | |
6074 | } | |
6075 | ||
1da177e4 LT |
6076 | /* |
6077 | * Decode CLOSE response | |
6078 | */ | |
bf269551 CL |
6079 | static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6080 | struct nfs_closeres *res) | |
1da177e4 | 6081 | { |
05d564fe AA |
6082 | struct compound_hdr hdr; |
6083 | int status; | |
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); |
05d564fe AA |
6089 | if (status) |
6090 | goto out; | |
bf269551 | 6091 | status = decode_putfh(xdr); |
05d564fe AA |
6092 | if (status) |
6093 | goto out; | |
bf269551 | 6094 | status = decode_close(xdr, res); |
516a6af6 TM |
6095 | if (status != 0) |
6096 | goto out; | |
6097 | /* | |
6098 | * Note: Server may do delete on close for this file | |
6099 | * in which case the getattr call will fail with | |
6100 | * an ESTALE error. Shouldn't be a problem, | |
6101 | * though, since fattr->valid will remain unset. | |
6102 | */ | |
6926afd1 | 6103 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 | 6104 | out: |
05d564fe | 6105 | return status; |
1da177e4 LT |
6106 | } |
6107 | ||
6108 | /* | |
6109 | * Decode OPEN response | |
6110 | */ | |
bf269551 CL |
6111 | static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6112 | struct nfs_openres *res) | |
1da177e4 | 6113 | { |
05d564fe AA |
6114 | struct compound_hdr hdr; |
6115 | int status; | |
6116 | ||
bf269551 | 6117 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6118 | if (status) |
6119 | goto out; | |
bf269551 | 6120 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6121 | if (status) |
6122 | goto out; | |
bf269551 | 6123 | status = decode_putfh(xdr); |
05d564fe AA |
6124 | if (status) |
6125 | goto out; | |
bf269551 | 6126 | status = decode_savefh(xdr); |
05d564fe AA |
6127 | if (status) |
6128 | goto out; | |
bf269551 | 6129 | status = decode_open(xdr, res); |
56ae19f3 TM |
6130 | if (status) |
6131 | goto out; | |
bf269551 | 6132 | if (decode_getfh(xdr, &res->fh) != 0) |
1da177e4 | 6133 | goto out; |
6926afd1 | 6134 | if (decode_getfattr(xdr, res->f_attr, res->server) != 0) |
56ae19f3 | 6135 | goto out; |
bf269551 | 6136 | if (decode_restorefh(xdr) != 0) |
56ae19f3 | 6137 | goto out; |
6926afd1 | 6138 | decode_getfattr(xdr, res->dir_attr, res->server); |
1da177e4 | 6139 | out: |
05d564fe | 6140 | return status; |
1da177e4 LT |
6141 | } |
6142 | ||
6143 | /* | |
6144 | * Decode OPEN_CONFIRM response | |
6145 | */ | |
bf269551 CL |
6146 | static int nfs4_xdr_dec_open_confirm(struct rpc_rqst *rqstp, |
6147 | struct xdr_stream *xdr, | |
6148 | struct nfs_open_confirmres *res) | |
1da177e4 | 6149 | { |
05d564fe AA |
6150 | struct compound_hdr hdr; |
6151 | int status; | |
6152 | ||
bf269551 | 6153 | status = decode_compound_hdr(xdr, &hdr); |
05d564fe AA |
6154 | if (status) |
6155 | goto out; | |
bf269551 | 6156 | status = decode_putfh(xdr); |
05d564fe AA |
6157 | if (status) |
6158 | goto out; | |
bf269551 | 6159 | status = decode_open_confirm(xdr, res); |
1da177e4 | 6160 | out: |
05d564fe | 6161 | return status; |
1da177e4 LT |
6162 | } |
6163 | ||
6164 | /* | |
6165 | * Decode OPEN response | |
6166 | */ | |
bf269551 CL |
6167 | static int nfs4_xdr_dec_open_noattr(struct rpc_rqst *rqstp, |
6168 | struct xdr_stream *xdr, | |
6169 | struct nfs_openres *res) | |
1da177e4 | 6170 | { |
05d564fe AA |
6171 | struct compound_hdr hdr; |
6172 | int status; | |
6173 | ||
bf269551 | 6174 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6175 | if (status) |
6176 | goto out; | |
bf269551 | 6177 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6178 | if (status) |
6179 | goto out; | |
bf269551 | 6180 | status = decode_putfh(xdr); |
05d564fe AA |
6181 | if (status) |
6182 | goto out; | |
bf269551 | 6183 | status = decode_open(xdr, res); |
05d564fe AA |
6184 | if (status) |
6185 | goto out; | |
6926afd1 | 6186 | decode_getfattr(xdr, res->f_attr, res->server); |
1da177e4 | 6187 | out: |
05d564fe | 6188 | return status; |
1da177e4 LT |
6189 | } |
6190 | ||
6191 | /* | |
6192 | * Decode SETATTR response | |
6193 | */ | |
bf269551 CL |
6194 | static int nfs4_xdr_dec_setattr(struct rpc_rqst *rqstp, |
6195 | struct xdr_stream *xdr, | |
6196 | struct nfs_setattrres *res) | |
1da177e4 | 6197 | { |
05d564fe AA |
6198 | struct compound_hdr hdr; |
6199 | int status; | |
6200 | ||
bf269551 | 6201 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6202 | if (status) |
6203 | goto out; | |
bf269551 | 6204 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6205 | if (status) |
6206 | goto out; | |
bf269551 | 6207 | status = decode_putfh(xdr); |
05d564fe AA |
6208 | if (status) |
6209 | goto out; | |
bf269551 | 6210 | status = decode_setattr(xdr); |
05d564fe AA |
6211 | if (status) |
6212 | goto out; | |
6926afd1 | 6213 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 | 6214 | out: |
05d564fe | 6215 | return status; |
1da177e4 LT |
6216 | } |
6217 | ||
6218 | /* | |
6219 | * Decode LOCK response | |
6220 | */ | |
bf269551 CL |
6221 | static int nfs4_xdr_dec_lock(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6222 | struct nfs_lock_res *res) | |
1da177e4 | 6223 | { |
1da177e4 LT |
6224 | struct compound_hdr hdr; |
6225 | int status; | |
6226 | ||
bf269551 | 6227 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6228 | if (status) |
6229 | goto out; | |
bf269551 | 6230 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6231 | if (status) |
6232 | goto out; | |
bf269551 | 6233 | status = decode_putfh(xdr); |
1da177e4 LT |
6234 | if (status) |
6235 | goto out; | |
bf269551 | 6236 | status = decode_lock(xdr, res); |
1da177e4 LT |
6237 | out: |
6238 | return status; | |
6239 | } | |
6240 | ||
6241 | /* | |
6242 | * Decode LOCKT response | |
6243 | */ | |
bf269551 CL |
6244 | static int nfs4_xdr_dec_lockt(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6245 | struct nfs_lockt_res *res) | |
1da177e4 | 6246 | { |
1da177e4 LT |
6247 | struct compound_hdr hdr; |
6248 | int status; | |
6249 | ||
bf269551 | 6250 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6251 | if (status) |
6252 | goto out; | |
bf269551 | 6253 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6254 | if (status) |
6255 | goto out; | |
bf269551 | 6256 | status = decode_putfh(xdr); |
1da177e4 LT |
6257 | if (status) |
6258 | goto out; | |
bf269551 | 6259 | status = decode_lockt(xdr, res); |
1da177e4 LT |
6260 | out: |
6261 | return status; | |
6262 | } | |
6263 | ||
6264 | /* | |
6265 | * Decode LOCKU response | |
6266 | */ | |
bf269551 CL |
6267 | static int nfs4_xdr_dec_locku(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6268 | struct nfs_locku_res *res) | |
1da177e4 | 6269 | { |
1da177e4 LT |
6270 | struct compound_hdr hdr; |
6271 | int status; | |
6272 | ||
bf269551 | 6273 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6274 | if (status) |
6275 | goto out; | |
bf269551 | 6276 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6277 | if (status) |
6278 | goto out; | |
bf269551 | 6279 | status = decode_putfh(xdr); |
1da177e4 LT |
6280 | if (status) |
6281 | goto out; | |
bf269551 | 6282 | status = decode_locku(xdr, res); |
1da177e4 LT |
6283 | out: |
6284 | return status; | |
6285 | } | |
6286 | ||
bf269551 CL |
6287 | static int nfs4_xdr_dec_release_lockowner(struct rpc_rqst *rqstp, |
6288 | struct xdr_stream *xdr, void *dummy) | |
d3c7b7cc | 6289 | { |
d3c7b7cc TM |
6290 | struct compound_hdr hdr; |
6291 | int status; | |
6292 | ||
bf269551 | 6293 | status = decode_compound_hdr(xdr, &hdr); |
d3c7b7cc | 6294 | if (!status) |
bf269551 | 6295 | status = decode_release_lockowner(xdr); |
d3c7b7cc TM |
6296 | return status; |
6297 | } | |
6298 | ||
1da177e4 LT |
6299 | /* |
6300 | * Decode READLINK response | |
6301 | */ | |
bf269551 CL |
6302 | static int nfs4_xdr_dec_readlink(struct rpc_rqst *rqstp, |
6303 | struct xdr_stream *xdr, | |
f50c7000 | 6304 | struct nfs4_readlink_res *res) |
1da177e4 | 6305 | { |
1da177e4 LT |
6306 | struct compound_hdr hdr; |
6307 | int status; | |
6308 | ||
bf269551 | 6309 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6310 | if (status) |
6311 | goto out; | |
bf269551 | 6312 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6313 | if (status) |
6314 | goto out; | |
bf269551 | 6315 | status = decode_putfh(xdr); |
1da177e4 LT |
6316 | if (status) |
6317 | goto out; | |
bf269551 | 6318 | status = decode_readlink(xdr, rqstp); |
1da177e4 LT |
6319 | out: |
6320 | return status; | |
6321 | } | |
6322 | ||
6323 | /* | |
6324 | * Decode READDIR response | |
6325 | */ | |
bf269551 CL |
6326 | static int nfs4_xdr_dec_readdir(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6327 | struct nfs4_readdir_res *res) | |
1da177e4 | 6328 | { |
1da177e4 LT |
6329 | struct compound_hdr hdr; |
6330 | int status; | |
6331 | ||
bf269551 | 6332 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6333 | if (status) |
6334 | goto out; | |
bf269551 | 6335 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6336 | if (status) |
6337 | goto out; | |
bf269551 | 6338 | status = decode_putfh(xdr); |
1da177e4 LT |
6339 | if (status) |
6340 | goto out; | |
bf269551 | 6341 | status = decode_readdir(xdr, rqstp, res); |
1da177e4 LT |
6342 | out: |
6343 | return status; | |
6344 | } | |
6345 | ||
6346 | /* | |
6347 | * Decode Read response | |
6348 | */ | |
bf269551 CL |
6349 | static int nfs4_xdr_dec_read(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6350 | struct nfs_readres *res) | |
1da177e4 | 6351 | { |
1da177e4 LT |
6352 | struct compound_hdr hdr; |
6353 | int status; | |
6354 | ||
bf269551 | 6355 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6356 | if (status) |
6357 | goto out; | |
bf269551 | 6358 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6359 | if (status) |
6360 | goto out; | |
bf269551 | 6361 | status = decode_putfh(xdr); |
1da177e4 LT |
6362 | if (status) |
6363 | goto out; | |
bf269551 | 6364 | status = decode_read(xdr, rqstp, res); |
1da177e4 LT |
6365 | if (!status) |
6366 | status = res->count; | |
6367 | out: | |
6368 | return status; | |
6369 | } | |
6370 | ||
6371 | /* | |
6372 | * Decode WRITE response | |
6373 | */ | |
bf269551 CL |
6374 | static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6375 | struct nfs_writeres *res) | |
1da177e4 | 6376 | { |
1da177e4 LT |
6377 | struct compound_hdr hdr; |
6378 | int status; | |
6379 | ||
bf269551 | 6380 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6381 | if (status) |
6382 | goto out; | |
bf269551 | 6383 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6384 | if (status) |
6385 | goto out; | |
bf269551 | 6386 | status = decode_putfh(xdr); |
1da177e4 LT |
6387 | if (status) |
6388 | goto out; | |
bf269551 | 6389 | status = decode_write(xdr, res); |
4f9838c7 TM |
6390 | if (status) |
6391 | goto out; | |
7ffd1064 | 6392 | if (res->fattr) |
6926afd1 | 6393 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6394 | if (!status) |
6395 | status = res->count; | |
6396 | out: | |
6397 | return status; | |
6398 | } | |
6399 | ||
6400 | /* | |
6401 | * Decode COMMIT response | |
6402 | */ | |
bf269551 CL |
6403 | static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6404 | struct nfs_writeres *res) | |
1da177e4 | 6405 | { |
1da177e4 LT |
6406 | struct compound_hdr hdr; |
6407 | int status; | |
6408 | ||
bf269551 | 6409 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6410 | if (status) |
6411 | goto out; | |
bf269551 | 6412 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6413 | if (status) |
6414 | goto out; | |
bf269551 | 6415 | status = decode_putfh(xdr); |
1da177e4 LT |
6416 | if (status) |
6417 | goto out; | |
bf269551 | 6418 | status = decode_commit(xdr, res); |
4f9838c7 TM |
6419 | if (status) |
6420 | goto out; | |
988b6dce | 6421 | if (res->fattr) |
6926afd1 | 6422 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6423 | out: |
6424 | return status; | |
6425 | } | |
6426 | ||
6427 | /* | |
8b173218 | 6428 | * Decode FSINFO response |
1da177e4 | 6429 | */ |
bf269551 | 6430 | static int nfs4_xdr_dec_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, |
3dda5e43 | 6431 | struct nfs4_fsinfo_res *res) |
1da177e4 | 6432 | { |
1da177e4 LT |
6433 | struct compound_hdr hdr; |
6434 | int status; | |
6435 | ||
bf269551 | 6436 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6437 | if (!status) |
bf269551 | 6438 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6439 | if (!status) |
bf269551 | 6440 | status = decode_putfh(xdr); |
1da177e4 | 6441 | if (!status) |
bf269551 | 6442 | status = decode_fsinfo(xdr, res->fsinfo); |
1da177e4 LT |
6443 | return status; |
6444 | } | |
6445 | ||
6446 | /* | |
8b173218 | 6447 | * Decode PATHCONF response |
1da177e4 | 6448 | */ |
bf269551 | 6449 | static int nfs4_xdr_dec_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, |
d45b2989 | 6450 | struct nfs4_pathconf_res *res) |
1da177e4 | 6451 | { |
1da177e4 LT |
6452 | struct compound_hdr hdr; |
6453 | int status; | |
6454 | ||
bf269551 | 6455 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6456 | if (!status) |
bf269551 | 6457 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6458 | if (!status) |
bf269551 | 6459 | status = decode_putfh(xdr); |
1da177e4 | 6460 | if (!status) |
bf269551 | 6461 | status = decode_pathconf(xdr, res->pathconf); |
1da177e4 LT |
6462 | return status; |
6463 | } | |
6464 | ||
6465 | /* | |
8b173218 | 6466 | * Decode STATFS response |
1da177e4 | 6467 | */ |
bf269551 | 6468 | static int nfs4_xdr_dec_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, |
24ad148a | 6469 | struct nfs4_statfs_res *res) |
1da177e4 | 6470 | { |
1da177e4 LT |
6471 | struct compound_hdr hdr; |
6472 | int status; | |
6473 | ||
bf269551 | 6474 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6475 | if (!status) |
bf269551 | 6476 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6477 | if (!status) |
bf269551 | 6478 | status = decode_putfh(xdr); |
1da177e4 | 6479 | if (!status) |
bf269551 | 6480 | status = decode_statfs(xdr, res->fsstat); |
1da177e4 LT |
6481 | return status; |
6482 | } | |
6483 | ||
6484 | /* | |
8b173218 | 6485 | * Decode GETATTR_BITMAP response |
1da177e4 | 6486 | */ |
bf269551 CL |
6487 | static int nfs4_xdr_dec_server_caps(struct rpc_rqst *req, |
6488 | struct xdr_stream *xdr, | |
6489 | struct nfs4_server_caps_res *res) | |
1da177e4 | 6490 | { |
1da177e4 LT |
6491 | struct compound_hdr hdr; |
6492 | int status; | |
6493 | ||
bf269551 | 6494 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6495 | if (status) |
6496 | goto out; | |
bf269551 | 6497 | status = decode_sequence(xdr, &res->seq_res, req); |
9b7b9fcc | 6498 | if (status) |
1da177e4 | 6499 | goto out; |
bf269551 CL |
6500 | status = decode_putfh(xdr); |
6501 | if (status) | |
1da177e4 | 6502 | goto out; |
bf269551 | 6503 | status = decode_server_caps(xdr, res); |
1da177e4 LT |
6504 | out: |
6505 | return status; | |
6506 | } | |
6507 | ||
6508 | /* | |
6509 | * Decode RENEW response | |
6510 | */ | |
bf269551 CL |
6511 | static int nfs4_xdr_dec_renew(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6512 | void *__unused) | |
1da177e4 | 6513 | { |
1da177e4 LT |
6514 | struct compound_hdr hdr; |
6515 | int status; | |
6516 | ||
bf269551 | 6517 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6518 | if (!status) |
bf269551 | 6519 | status = decode_renew(xdr); |
1da177e4 LT |
6520 | return status; |
6521 | } | |
6522 | ||
6523 | /* | |
8b173218 | 6524 | * Decode SETCLIENTID response |
1da177e4 | 6525 | */ |
bf269551 CL |
6526 | static int nfs4_xdr_dec_setclientid(struct rpc_rqst *req, |
6527 | struct xdr_stream *xdr, | |
6528 | struct nfs4_setclientid_res *res) | |
1da177e4 | 6529 | { |
1da177e4 LT |
6530 | struct compound_hdr hdr; |
6531 | int status; | |
6532 | ||
bf269551 | 6533 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6534 | if (!status) |
bf269551 | 6535 | status = decode_setclientid(xdr, res); |
1da177e4 LT |
6536 | return status; |
6537 | } | |
6538 | ||
6539 | /* | |
8b173218 | 6540 | * Decode SETCLIENTID_CONFIRM response |
1da177e4 | 6541 | */ |
bf269551 CL |
6542 | static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst *req, |
6543 | struct xdr_stream *xdr, | |
6544 | struct nfs_fsinfo *fsinfo) | |
1da177e4 | 6545 | { |
1da177e4 LT |
6546 | struct compound_hdr hdr; |
6547 | int status; | |
6548 | ||
bf269551 | 6549 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6550 | if (!status) |
bf269551 | 6551 | status = decode_setclientid_confirm(xdr); |
1da177e4 | 6552 | if (!status) |
bf269551 | 6553 | status = decode_putrootfh(xdr); |
1da177e4 | 6554 | if (!status) |
bf269551 | 6555 | status = decode_fsinfo(xdr, fsinfo); |
1da177e4 LT |
6556 | return status; |
6557 | } | |
6558 | ||
6559 | /* | |
8b173218 | 6560 | * Decode DELEGRETURN response |
1da177e4 | 6561 | */ |
bf269551 CL |
6562 | static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, |
6563 | struct xdr_stream *xdr, | |
6564 | struct nfs4_delegreturnres *res) | |
1da177e4 | 6565 | { |
1da177e4 LT |
6566 | struct compound_hdr hdr; |
6567 | int status; | |
6568 | ||
bf269551 | 6569 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6570 | if (status) |
6571 | goto out; | |
bf269551 | 6572 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6573 | if (status) |
fa178f29 | 6574 | goto out; |
bf269551 | 6575 | status = decode_putfh(xdr); |
fa178f29 TM |
6576 | if (status != 0) |
6577 | goto out; | |
bf269551 | 6578 | status = decode_delegreturn(xdr); |
556ae3bb JL |
6579 | if (status != 0) |
6580 | goto out; | |
6926afd1 | 6581 | decode_getfattr(xdr, res->fattr, res->server); |
fa178f29 | 6582 | out: |
1da177e4 LT |
6583 | return status; |
6584 | } | |
6585 | ||
683b57b4 | 6586 | /* |
8b173218 | 6587 | * Decode FS_LOCATIONS response |
683b57b4 | 6588 | */ |
bf269551 CL |
6589 | static int nfs4_xdr_dec_fs_locations(struct rpc_rqst *req, |
6590 | struct xdr_stream *xdr, | |
22958463 | 6591 | struct nfs4_fs_locations_res *res) |
683b57b4 | 6592 | { |
683b57b4 TM |
6593 | struct compound_hdr hdr; |
6594 | int status; | |
6595 | ||
bf269551 | 6596 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6597 | if (status) |
6598 | goto out; | |
bf269551 | 6599 | status = decode_sequence(xdr, &res->seq_res, req); |
9b7b9fcc | 6600 | if (status) |
683b57b4 | 6601 | goto out; |
bf269551 CL |
6602 | status = decode_putfh(xdr); |
6603 | if (status) | |
683b57b4 | 6604 | goto out; |
bf269551 CL |
6605 | status = decode_lookup(xdr); |
6606 | if (status) | |
683b57b4 | 6607 | goto out; |
bf269551 | 6608 | xdr_enter_page(xdr, PAGE_SIZE); |
8b7e3f49 TM |
6609 | status = decode_getfattr_generic(xdr, &res->fs_locations->fattr, |
6610 | NULL, res->fs_locations, | |
6611 | res->fs_locations->server); | |
683b57b4 TM |
6612 | out: |
6613 | return status; | |
6614 | } | |
6615 | ||
5a5ea0d4 BS |
6616 | /* |
6617 | * Decode SECINFO response | |
6618 | */ | |
6619 | static int nfs4_xdr_dec_secinfo(struct rpc_rqst *rqstp, | |
6620 | struct xdr_stream *xdr, | |
6621 | struct nfs4_secinfo_res *res) | |
6622 | { | |
6623 | struct compound_hdr hdr; | |
6624 | int status; | |
6625 | ||
6626 | status = decode_compound_hdr(xdr, &hdr); | |
6627 | if (status) | |
6628 | goto out; | |
6629 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6630 | if (status) | |
6631 | goto out; | |
6632 | status = decode_putfh(xdr); | |
6633 | if (status) | |
6634 | goto out; | |
6635 | status = decode_secinfo(xdr, res); | |
5a5ea0d4 BS |
6636 | out: |
6637 | return status; | |
6638 | } | |
6639 | ||
99fe60d0 BH |
6640 | #if defined(CONFIG_NFS_V4_1) |
6641 | /* | |
8b173218 | 6642 | * Decode EXCHANGE_ID response |
99fe60d0 | 6643 | */ |
bf269551 CL |
6644 | static int nfs4_xdr_dec_exchange_id(struct rpc_rqst *rqstp, |
6645 | struct xdr_stream *xdr, | |
99fe60d0 BH |
6646 | void *res) |
6647 | { | |
99fe60d0 BH |
6648 | struct compound_hdr hdr; |
6649 | int status; | |
6650 | ||
bf269551 | 6651 | status = decode_compound_hdr(xdr, &hdr); |
99fe60d0 | 6652 | if (!status) |
bf269551 | 6653 | status = decode_exchange_id(xdr, res); |
99fe60d0 BH |
6654 | return status; |
6655 | } | |
2050f0cc | 6656 | |
fc931582 | 6657 | /* |
8b173218 | 6658 | * Decode CREATE_SESSION response |
fc931582 | 6659 | */ |
bf269551 CL |
6660 | static int nfs4_xdr_dec_create_session(struct rpc_rqst *rqstp, |
6661 | struct xdr_stream *xdr, | |
fc931582 AA |
6662 | struct nfs41_create_session_res *res) |
6663 | { | |
fc931582 AA |
6664 | struct compound_hdr hdr; |
6665 | int status; | |
6666 | ||
bf269551 | 6667 | status = decode_compound_hdr(xdr, &hdr); |
fc931582 | 6668 | if (!status) |
bf269551 | 6669 | status = decode_create_session(xdr, res); |
fc931582 AA |
6670 | return status; |
6671 | } | |
6672 | ||
0f3e66c6 | 6673 | /* |
8b173218 | 6674 | * Decode DESTROY_SESSION response |
0f3e66c6 | 6675 | */ |
bf269551 CL |
6676 | static int nfs4_xdr_dec_destroy_session(struct rpc_rqst *rqstp, |
6677 | struct xdr_stream *xdr, | |
6678 | void *res) | |
0f3e66c6 | 6679 | { |
0f3e66c6 AA |
6680 | struct compound_hdr hdr; |
6681 | int status; | |
6682 | ||
bf269551 | 6683 | status = decode_compound_hdr(xdr, &hdr); |
0f3e66c6 | 6684 | if (!status) |
bf269551 | 6685 | status = decode_destroy_session(xdr, res); |
0f3e66c6 AA |
6686 | return status; |
6687 | } | |
6688 | ||
fc01cea9 | 6689 | /* |
8b173218 | 6690 | * Decode SEQUENCE response |
fc01cea9 | 6691 | */ |
bf269551 CL |
6692 | static int nfs4_xdr_dec_sequence(struct rpc_rqst *rqstp, |
6693 | struct xdr_stream *xdr, | |
fc01cea9 AA |
6694 | struct nfs4_sequence_res *res) |
6695 | { | |
fc01cea9 AA |
6696 | struct compound_hdr hdr; |
6697 | int status; | |
6698 | ||
bf269551 | 6699 | status = decode_compound_hdr(xdr, &hdr); |
fc01cea9 | 6700 | if (!status) |
bf269551 | 6701 | status = decode_sequence(xdr, res, rqstp); |
fc01cea9 AA |
6702 | return status; |
6703 | } | |
6704 | ||
2050f0cc | 6705 | /* |
8b173218 | 6706 | * Decode GET_LEASE_TIME response |
2050f0cc | 6707 | */ |
bf269551 CL |
6708 | static int nfs4_xdr_dec_get_lease_time(struct rpc_rqst *rqstp, |
6709 | struct xdr_stream *xdr, | |
2050f0cc AA |
6710 | struct nfs4_get_lease_time_res *res) |
6711 | { | |
2050f0cc AA |
6712 | struct compound_hdr hdr; |
6713 | int status; | |
6714 | ||
bf269551 | 6715 | status = decode_compound_hdr(xdr, &hdr); |
2050f0cc | 6716 | if (!status) |
bf269551 | 6717 | status = decode_sequence(xdr, &res->lr_seq_res, rqstp); |
2050f0cc | 6718 | if (!status) |
bf269551 | 6719 | status = decode_putrootfh(xdr); |
2050f0cc | 6720 | if (!status) |
bf269551 | 6721 | status = decode_fsinfo(xdr, res->lr_fsinfo); |
2050f0cc AA |
6722 | return status; |
6723 | } | |
18019753 RL |
6724 | |
6725 | /* | |
6726 | * Decode RECLAIM_COMPLETE response | |
6727 | */ | |
bf269551 CL |
6728 | static int nfs4_xdr_dec_reclaim_complete(struct rpc_rqst *rqstp, |
6729 | struct xdr_stream *xdr, | |
18019753 RL |
6730 | struct nfs41_reclaim_complete_res *res) |
6731 | { | |
18019753 RL |
6732 | struct compound_hdr hdr; |
6733 | int status; | |
6734 | ||
bf269551 | 6735 | status = decode_compound_hdr(xdr, &hdr); |
18019753 | 6736 | if (!status) |
bf269551 | 6737 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
18019753 | 6738 | if (!status) |
bf269551 | 6739 | status = decode_reclaim_complete(xdr, (void *)NULL); |
18019753 RL |
6740 | return status; |
6741 | } | |
b1f69b75 | 6742 | |
7f11d8d3 AA |
6743 | /* |
6744 | * Decode GETDEVICELIST response | |
6745 | */ | |
6746 | static int nfs4_xdr_dec_getdevicelist(struct rpc_rqst *rqstp, | |
6747 | struct xdr_stream *xdr, | |
6748 | struct nfs4_getdevicelist_res *res) | |
6749 | { | |
6750 | struct compound_hdr hdr; | |
6751 | int status; | |
6752 | ||
6753 | dprintk("encoding getdevicelist!\n"); | |
6754 | ||
6755 | status = decode_compound_hdr(xdr, &hdr); | |
6756 | if (status != 0) | |
6757 | goto out; | |
6758 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6759 | if (status != 0) | |
6760 | goto out; | |
6761 | status = decode_putfh(xdr); | |
6762 | if (status != 0) | |
6763 | goto out; | |
6764 | status = decode_getdevicelist(xdr, res->devlist); | |
6765 | out: | |
6766 | return status; | |
6767 | } | |
6768 | ||
b1f69b75 AA |
6769 | /* |
6770 | * Decode GETDEVINFO response | |
6771 | */ | |
bf269551 CL |
6772 | static int nfs4_xdr_dec_getdeviceinfo(struct rpc_rqst *rqstp, |
6773 | struct xdr_stream *xdr, | |
b1f69b75 AA |
6774 | struct nfs4_getdeviceinfo_res *res) |
6775 | { | |
b1f69b75 AA |
6776 | struct compound_hdr hdr; |
6777 | int status; | |
6778 | ||
bf269551 | 6779 | status = decode_compound_hdr(xdr, &hdr); |
b1f69b75 AA |
6780 | if (status != 0) |
6781 | goto out; | |
bf269551 | 6782 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
b1f69b75 AA |
6783 | if (status != 0) |
6784 | goto out; | |
bf269551 | 6785 | status = decode_getdeviceinfo(xdr, res->pdev); |
b1f69b75 AA |
6786 | out: |
6787 | return status; | |
6788 | } | |
6789 | ||
6790 | /* | |
6791 | * Decode LAYOUTGET response | |
6792 | */ | |
bf269551 CL |
6793 | static int nfs4_xdr_dec_layoutget(struct rpc_rqst *rqstp, |
6794 | struct xdr_stream *xdr, | |
b1f69b75 AA |
6795 | struct nfs4_layoutget_res *res) |
6796 | { | |
b1f69b75 AA |
6797 | struct compound_hdr hdr; |
6798 | int status; | |
6799 | ||
bf269551 | 6800 | status = decode_compound_hdr(xdr, &hdr); |
b1f69b75 AA |
6801 | if (status) |
6802 | goto out; | |
bf269551 | 6803 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
b1f69b75 AA |
6804 | if (status) |
6805 | goto out; | |
bf269551 | 6806 | status = decode_putfh(xdr); |
b1f69b75 AA |
6807 | if (status) |
6808 | goto out; | |
bf269551 | 6809 | status = decode_layoutget(xdr, rqstp, res); |
b1f69b75 AA |
6810 | out: |
6811 | return status; | |
6812 | } | |
863a3c6c | 6813 | |
cbe82603 BH |
6814 | /* |
6815 | * Decode LAYOUTRETURN response | |
6816 | */ | |
6817 | static int nfs4_xdr_dec_layoutreturn(struct rpc_rqst *rqstp, | |
6818 | struct xdr_stream *xdr, | |
6819 | struct nfs4_layoutreturn_res *res) | |
6820 | { | |
6821 | struct compound_hdr hdr; | |
6822 | int status; | |
6823 | ||
6824 | status = decode_compound_hdr(xdr, &hdr); | |
6825 | if (status) | |
6826 | goto out; | |
6827 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6828 | if (status) | |
6829 | goto out; | |
6830 | status = decode_putfh(xdr); | |
6831 | if (status) | |
6832 | goto out; | |
6833 | status = decode_layoutreturn(xdr, res); | |
6834 | out: | |
6835 | return status; | |
6836 | } | |
6837 | ||
863a3c6c AA |
6838 | /* |
6839 | * Decode LAYOUTCOMMIT response | |
6840 | */ | |
6841 | static int nfs4_xdr_dec_layoutcommit(struct rpc_rqst *rqstp, | |
6842 | struct xdr_stream *xdr, | |
6843 | struct nfs4_layoutcommit_res *res) | |
6844 | { | |
6845 | struct compound_hdr hdr; | |
6846 | int status; | |
6847 | ||
6848 | status = decode_compound_hdr(xdr, &hdr); | |
6849 | if (status) | |
6850 | goto out; | |
6851 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6852 | if (status) | |
6853 | goto out; | |
6854 | status = decode_putfh(xdr); | |
6855 | if (status) | |
6856 | goto out; | |
6857 | status = decode_layoutcommit(xdr, rqstp, res); | |
6858 | if (status) | |
6859 | goto out; | |
6926afd1 | 6860 | decode_getfattr(xdr, res->fattr, res->server); |
863a3c6c AA |
6861 | out: |
6862 | return status; | |
6863 | } | |
fca78d6d BS |
6864 | |
6865 | /* | |
6866 | * Decode SECINFO_NO_NAME response | |
6867 | */ | |
6868 | static int nfs4_xdr_dec_secinfo_no_name(struct rpc_rqst *rqstp, | |
6869 | struct xdr_stream *xdr, | |
6870 | struct nfs4_secinfo_res *res) | |
6871 | { | |
6872 | struct compound_hdr hdr; | |
6873 | int status; | |
6874 | ||
6875 | status = decode_compound_hdr(xdr, &hdr); | |
6876 | if (status) | |
6877 | goto out; | |
6878 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6879 | if (status) | |
6880 | goto out; | |
6881 | status = decode_putrootfh(xdr); | |
6882 | if (status) | |
6883 | goto out; | |
6884 | status = decode_secinfo(xdr, res); | |
6885 | out: | |
6886 | return status; | |
6887 | } | |
7d974794 BS |
6888 | |
6889 | /* | |
6890 | * Decode TEST_STATEID response | |
6891 | */ | |
6892 | static int nfs4_xdr_dec_test_stateid(struct rpc_rqst *rqstp, | |
6893 | struct xdr_stream *xdr, | |
6894 | struct nfs41_test_stateid_res *res) | |
6895 | { | |
6896 | struct compound_hdr hdr; | |
6897 | int status; | |
6898 | ||
6899 | status = decode_compound_hdr(xdr, &hdr); | |
6900 | if (status) | |
6901 | goto out; | |
6902 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6903 | if (status) | |
6904 | goto out; | |
6905 | status = decode_test_stateid(xdr, res); | |
6906 | out: | |
6907 | return status; | |
6908 | } | |
9aeda35f BS |
6909 | |
6910 | /* | |
6911 | * Decode FREE_STATEID response | |
6912 | */ | |
6913 | static int nfs4_xdr_dec_free_stateid(struct rpc_rqst *rqstp, | |
6914 | struct xdr_stream *xdr, | |
6915 | struct nfs41_free_stateid_res *res) | |
6916 | { | |
6917 | struct compound_hdr hdr; | |
6918 | int status; | |
6919 | ||
6920 | status = decode_compound_hdr(xdr, &hdr); | |
6921 | if (status) | |
6922 | goto out; | |
6923 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6924 | if (status) | |
6925 | goto out; | |
6926 | status = decode_free_stateid(xdr, res); | |
6927 | out: | |
6928 | return status; | |
6929 | } | |
99fe60d0 BH |
6930 | #endif /* CONFIG_NFS_V4_1 */ |
6931 | ||
573c4e1e CL |
6932 | /** |
6933 | * nfs4_decode_dirent - Decode a single NFSv4 directory entry stored in | |
6934 | * the local page cache. | |
6935 | * @xdr: XDR stream where entry resides | |
6936 | * @entry: buffer to fill in with entry data | |
6937 | * @plus: boolean indicating whether this should be a readdirplus entry | |
6938 | * | |
6939 | * Returns zero if successful, otherwise a negative errno value is | |
6940 | * returned. | |
6941 | * | |
6942 | * This function is not invoked during READDIR reply decoding, but | |
6943 | * rather whenever an application invokes the getdents(2) system call | |
6944 | * on a directory already in our cache. | |
6945 | */ | |
6946 | int nfs4_decode_dirent(struct xdr_stream *xdr, struct nfs_entry *entry, | |
6947 | int plus) | |
1da177e4 | 6948 | { |
dae100c2 | 6949 | uint32_t bitmap[3] = {0}; |
1da177e4 | 6950 | uint32_t len; |
babddc72 BS |
6951 | __be32 *p = xdr_inline_decode(xdr, 4); |
6952 | if (unlikely(!p)) | |
6953 | goto out_overflow; | |
c08e76d0 | 6954 | if (*p == xdr_zero) { |
babddc72 BS |
6955 | p = xdr_inline_decode(xdr, 4); |
6956 | if (unlikely(!p)) | |
6957 | goto out_overflow; | |
c08e76d0 | 6958 | if (*p == xdr_zero) |
573c4e1e | 6959 | return -EAGAIN; |
1da177e4 | 6960 | entry->eof = 1; |
573c4e1e | 6961 | return -EBADCOOKIE; |
1da177e4 LT |
6962 | } |
6963 | ||
babddc72 BS |
6964 | p = xdr_inline_decode(xdr, 12); |
6965 | if (unlikely(!p)) | |
6966 | goto out_overflow; | |
1da177e4 LT |
6967 | entry->prev_cookie = entry->cookie; |
6968 | p = xdr_decode_hyper(p, &entry->cookie); | |
c08e76d0 | 6969 | entry->len = be32_to_cpup(p); |
babddc72 | 6970 | |
9af8c222 | 6971 | p = xdr_inline_decode(xdr, entry->len); |
babddc72 BS |
6972 | if (unlikely(!p)) |
6973 | goto out_overflow; | |
1da177e4 | 6974 | entry->name = (const char *) p; |
1da177e4 LT |
6975 | |
6976 | /* | |
6977 | * In case the server doesn't return an inode number, | |
6978 | * we fake one here. (We don't use inode number 0, | |
6979 | * since glibc seems to choke on it...) | |
6980 | */ | |
6981 | entry->ino = 1; | |
4f082222 | 6982 | entry->fattr->valid = 0; |
1da177e4 | 6983 | |
9af8c222 TM |
6984 | if (decode_attr_bitmap(xdr, bitmap) < 0) |
6985 | goto out_overflow; | |
6986 | ||
6987 | if (decode_attr_length(xdr, &len, &p) < 0) | |
6988 | goto out_overflow; | |
6989 | ||
573c4e1e | 6990 | if (decode_getfattr_attrs(xdr, bitmap, entry->fattr, entry->fh, |
8b7e3f49 | 6991 | NULL, entry->server) < 0) |
9af8c222 | 6992 | goto out_overflow; |
28331a46 TM |
6993 | if (entry->fattr->valid & NFS_ATTR_FATTR_MOUNTED_ON_FILEID) |
6994 | entry->ino = entry->fattr->mounted_on_fileid; | |
6995 | else if (entry->fattr->valid & NFS_ATTR_FATTR_FILEID) | |
9af8c222 TM |
6996 | entry->ino = entry->fattr->fileid; |
6997 | ||
0b26a0bf TM |
6998 | entry->d_type = DT_UNKNOWN; |
6999 | if (entry->fattr->valid & NFS_ATTR_FATTR_TYPE) | |
7000 | entry->d_type = nfs_umode_to_dtype(entry->fattr->mode); | |
7001 | ||
573c4e1e | 7002 | return 0; |
babddc72 BS |
7003 | |
7004 | out_overflow: | |
7005 | print_overflow_msg(__func__, xdr); | |
573c4e1e | 7006 | return -EAGAIN; |
1da177e4 LT |
7007 | } |
7008 | ||
7009 | /* | |
7010 | * We need to translate between nfs status return values and | |
7011 | * the local errno values which may not be the same. | |
7012 | */ | |
7013 | static struct { | |
7014 | int stat; | |
7015 | int errno; | |
7016 | } nfs_errtbl[] = { | |
7017 | { NFS4_OK, 0 }, | |
856dff3d BH |
7018 | { NFS4ERR_PERM, -EPERM }, |
7019 | { NFS4ERR_NOENT, -ENOENT }, | |
7020 | { NFS4ERR_IO, -errno_NFSERR_IO}, | |
7021 | { NFS4ERR_NXIO, -ENXIO }, | |
7022 | { NFS4ERR_ACCESS, -EACCES }, | |
7023 | { NFS4ERR_EXIST, -EEXIST }, | |
7024 | { NFS4ERR_XDEV, -EXDEV }, | |
7025 | { NFS4ERR_NOTDIR, -ENOTDIR }, | |
7026 | { NFS4ERR_ISDIR, -EISDIR }, | |
7027 | { NFS4ERR_INVAL, -EINVAL }, | |
7028 | { NFS4ERR_FBIG, -EFBIG }, | |
7029 | { NFS4ERR_NOSPC, -ENOSPC }, | |
7030 | { NFS4ERR_ROFS, -EROFS }, | |
7031 | { NFS4ERR_MLINK, -EMLINK }, | |
7032 | { NFS4ERR_NAMETOOLONG, -ENAMETOOLONG }, | |
7033 | { NFS4ERR_NOTEMPTY, -ENOTEMPTY }, | |
7034 | { NFS4ERR_DQUOT, -EDQUOT }, | |
7035 | { NFS4ERR_STALE, -ESTALE }, | |
7036 | { NFS4ERR_BADHANDLE, -EBADHANDLE }, | |
856dff3d BH |
7037 | { NFS4ERR_BAD_COOKIE, -EBADCOOKIE }, |
7038 | { NFS4ERR_NOTSUPP, -ENOTSUPP }, | |
7039 | { NFS4ERR_TOOSMALL, -ETOOSMALL }, | |
fdcb4577 | 7040 | { NFS4ERR_SERVERFAULT, -EREMOTEIO }, |
856dff3d BH |
7041 | { NFS4ERR_BADTYPE, -EBADTYPE }, |
7042 | { NFS4ERR_LOCKED, -EAGAIN }, | |
856dff3d BH |
7043 | { NFS4ERR_SYMLINK, -ELOOP }, |
7044 | { NFS4ERR_OP_ILLEGAL, -EOPNOTSUPP }, | |
7045 | { NFS4ERR_DEADLOCK, -EDEADLK }, | |
856dff3d | 7046 | { -1, -EIO } |
1da177e4 LT |
7047 | }; |
7048 | ||
7049 | /* | |
7050 | * Convert an NFS error code to a local one. | |
7051 | * This one is used jointly by NFSv2 and NFSv3. | |
7052 | */ | |
7053 | static int | |
0a8ea437 | 7054 | nfs4_stat_to_errno(int stat) |
1da177e4 LT |
7055 | { |
7056 | int i; | |
7057 | for (i = 0; nfs_errtbl[i].stat != -1; i++) { | |
7058 | if (nfs_errtbl[i].stat == stat) | |
7059 | return nfs_errtbl[i].errno; | |
7060 | } | |
7061 | if (stat <= 10000 || stat > 10100) { | |
7062 | /* The server is looney tunes. */ | |
fdcb4577 | 7063 | return -EREMOTEIO; |
1da177e4 LT |
7064 | } |
7065 | /* If we cannot translate the error, the recovery routines should | |
7066 | * handle it. | |
7067 | * Note: remaining NFSv4 error codes have values > 10000, so should | |
7068 | * not conflict with native Linux error codes. | |
7069 | */ | |
856dff3d | 7070 | return -stat; |
1da177e4 LT |
7071 | } |
7072 | ||
1da177e4 LT |
7073 | #define PROC(proc, argtype, restype) \ |
7074 | [NFSPROC4_CLNT_##proc] = { \ | |
7075 | .p_proc = NFSPROC4_COMPOUND, \ | |
9f06c719 | 7076 | .p_encode = (kxdreproc_t)nfs4_xdr_##argtype, \ |
bf269551 | 7077 | .p_decode = (kxdrdproc_t)nfs4_xdr_##restype, \ |
2bea90d4 CL |
7078 | .p_arglen = NFS4_##argtype##_sz, \ |
7079 | .p_replen = NFS4_##restype##_sz, \ | |
cc0175c1 CL |
7080 | .p_statidx = NFSPROC4_CLNT_##proc, \ |
7081 | .p_name = #proc, \ | |
05d564fe | 7082 | } |
1da177e4 LT |
7083 | |
7084 | struct rpc_procinfo nfs4_procedures[] = { | |
7d93bd71 CL |
7085 | PROC(READ, enc_read, dec_read), |
7086 | PROC(WRITE, enc_write, dec_write), | |
7087 | PROC(COMMIT, enc_commit, dec_commit), | |
7088 | PROC(OPEN, enc_open, dec_open), | |
7089 | PROC(OPEN_CONFIRM, enc_open_confirm, dec_open_confirm), | |
7090 | PROC(OPEN_NOATTR, enc_open_noattr, dec_open_noattr), | |
7091 | PROC(OPEN_DOWNGRADE, enc_open_downgrade, dec_open_downgrade), | |
7092 | PROC(CLOSE, enc_close, dec_close), | |
7093 | PROC(SETATTR, enc_setattr, dec_setattr), | |
7094 | PROC(FSINFO, enc_fsinfo, dec_fsinfo), | |
7095 | PROC(RENEW, enc_renew, dec_renew), | |
7096 | PROC(SETCLIENTID, enc_setclientid, dec_setclientid), | |
7097 | PROC(SETCLIENTID_CONFIRM, enc_setclientid_confirm, dec_setclientid_confirm), | |
7098 | PROC(LOCK, enc_lock, dec_lock), | |
7099 | PROC(LOCKT, enc_lockt, dec_lockt), | |
7100 | PROC(LOCKU, enc_locku, dec_locku), | |
7101 | PROC(ACCESS, enc_access, dec_access), | |
7102 | PROC(GETATTR, enc_getattr, dec_getattr), | |
7103 | PROC(LOOKUP, enc_lookup, dec_lookup), | |
7104 | PROC(LOOKUP_ROOT, enc_lookup_root, dec_lookup_root), | |
7105 | PROC(REMOVE, enc_remove, dec_remove), | |
7106 | PROC(RENAME, enc_rename, dec_rename), | |
7107 | PROC(LINK, enc_link, dec_link), | |
7108 | PROC(SYMLINK, enc_symlink, dec_symlink), | |
7109 | PROC(CREATE, enc_create, dec_create), | |
7110 | PROC(PATHCONF, enc_pathconf, dec_pathconf), | |
7111 | PROC(STATFS, enc_statfs, dec_statfs), | |
7112 | PROC(READLINK, enc_readlink, dec_readlink), | |
7113 | PROC(READDIR, enc_readdir, dec_readdir), | |
7114 | PROC(SERVER_CAPS, enc_server_caps, dec_server_caps), | |
7115 | PROC(DELEGRETURN, enc_delegreturn, dec_delegreturn), | |
7116 | PROC(GETACL, enc_getacl, dec_getacl), | |
7117 | PROC(SETACL, enc_setacl, dec_setacl), | |
7118 | PROC(FS_LOCATIONS, enc_fs_locations, dec_fs_locations), | |
7119 | PROC(RELEASE_LOCKOWNER, enc_release_lockowner, dec_release_lockowner), | |
5a5ea0d4 | 7120 | PROC(SECINFO, enc_secinfo, dec_secinfo), |
99fe60d0 | 7121 | #if defined(CONFIG_NFS_V4_1) |
7d93bd71 CL |
7122 | PROC(EXCHANGE_ID, enc_exchange_id, dec_exchange_id), |
7123 | PROC(CREATE_SESSION, enc_create_session, dec_create_session), | |
7124 | PROC(DESTROY_SESSION, enc_destroy_session, dec_destroy_session), | |
7125 | PROC(SEQUENCE, enc_sequence, dec_sequence), | |
7126 | PROC(GET_LEASE_TIME, enc_get_lease_time, dec_get_lease_time), | |
7127 | PROC(RECLAIM_COMPLETE, enc_reclaim_complete, dec_reclaim_complete), | |
7128 | PROC(GETDEVICEINFO, enc_getdeviceinfo, dec_getdeviceinfo), | |
7129 | PROC(LAYOUTGET, enc_layoutget, dec_layoutget), | |
863a3c6c | 7130 | PROC(LAYOUTCOMMIT, enc_layoutcommit, dec_layoutcommit), |
cbe82603 | 7131 | PROC(LAYOUTRETURN, enc_layoutreturn, dec_layoutreturn), |
fca78d6d | 7132 | PROC(SECINFO_NO_NAME, enc_secinfo_no_name, dec_secinfo_no_name), |
7d974794 | 7133 | PROC(TEST_STATEID, enc_test_stateid, dec_test_stateid), |
9aeda35f | 7134 | PROC(FREE_STATEID, enc_free_stateid, dec_free_stateid), |
7f11d8d3 | 7135 | PROC(GETDEVICELIST, enc_getdevicelist, dec_getdevicelist), |
99fe60d0 | 7136 | #endif /* CONFIG_NFS_V4_1 */ |
1da177e4 LT |
7137 | }; |
7138 | ||
a613fa16 | 7139 | const struct rpc_version nfs_version4 = { |
1da177e4 | 7140 | .number = 4, |
e8c96f8c | 7141 | .nrprocs = ARRAY_SIZE(nfs4_procedures), |
1da177e4 LT |
7142 | .procs = nfs4_procedures |
7143 | }; | |
7144 | ||
7145 | /* | |
7146 | * Local variables: | |
7147 | * c-basic-offset: 8 | |
7148 | * End: | |
7149 | */ |