Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * fs/nfs/nfs4xdr.c | |
3 | * | |
4 | * Client-side XDR for NFSv4. | |
5 | * | |
6 | * Copyright (c) 2002 The Regents of the University of Michigan. | |
7 | * All rights reserved. | |
8 | * | |
9 | * Kendrick Smith <kmsmith@umich.edu> | |
10 | * Andy Adamson <andros@umich.edu> | |
6c0195a4 | 11 | * |
1da177e4 LT |
12 | * Redistribution and use in source and binary forms, with or without |
13 | * modification, are permitted provided that the following conditions | |
14 | * are met: | |
15 | * | |
16 | * 1. Redistributions of source code must retain the above copyright | |
17 | * notice, this list of conditions and the following disclaimer. | |
18 | * 2. Redistributions in binary form must reproduce the above copyright | |
19 | * notice, this list of conditions and the following disclaimer in the | |
20 | * documentation and/or other materials provided with the distribution. | |
21 | * 3. Neither the name of the University nor the names of its | |
22 | * contributors may be used to endorse or promote products derived | |
23 | * from this software without specific prior written permission. | |
24 | * | |
25 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED | |
26 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
27 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
28 | * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
29 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
30 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
31 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR | |
32 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | |
33 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
34 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
35 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
36 | */ | |
37 | ||
38 | #include <linux/param.h> | |
39 | #include <linux/time.h> | |
40 | #include <linux/mm.h> | |
1da177e4 LT |
41 | #include <linux/errno.h> |
42 | #include <linux/string.h> | |
43 | #include <linux/in.h> | |
44 | #include <linux/pagemap.h> | |
45 | #include <linux/proc_fs.h> | |
46 | #include <linux/kdev_t.h> | |
47 | #include <linux/sunrpc/clnt.h> | |
2449ea2e | 48 | #include <linux/sunrpc/msg_prot.h> |
5a5ea0d4 | 49 | #include <linux/sunrpc/gss_api.h> |
1da177e4 LT |
50 | #include <linux/nfs.h> |
51 | #include <linux/nfs4.h> | |
52 | #include <linux/nfs_fs.h> | |
53 | #include <linux/nfs_idmap.h> | |
4ce79717 | 54 | #include "nfs4_fs.h" |
4882ef72 | 55 | #include "internal.h" |
b1f69b75 | 56 | #include "pnfs.h" |
1da177e4 LT |
57 | |
58 | #define NFSDBG_FACILITY NFSDBG_XDR | |
59 | ||
60 | /* Mapping from NFS error code to "errno" error code. */ | |
61 | #define errno_NFSERR_IO EIO | |
62 | ||
0a8ea437 | 63 | static int nfs4_stat_to_errno(int); |
1da177e4 LT |
64 | |
65 | /* NFSv4 COMPOUND tags are only wanted for debugging purposes */ | |
66 | #ifdef DEBUG | |
67 | #define NFS4_MAXTAGLEN 20 | |
68 | #else | |
69 | #define NFS4_MAXTAGLEN 0 | |
70 | #endif | |
71 | ||
6c0195a4 | 72 | /* lock,open owner id: |
9f958ab8 | 73 | * we currently use size 2 (u64) out of (NFS4_OPAQUE_LIMIT >> 2) |
1da177e4 | 74 | */ |
d035c36c TM |
75 | #define open_owner_id_maxsz (1 + 1 + 4) |
76 | #define lock_owner_id_maxsz (1 + 1 + 4) | |
9104a55d | 77 | #define decode_lockowner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) |
1da177e4 LT |
78 | #define compound_encode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2)) |
79 | #define compound_decode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2)) | |
80 | #define op_encode_hdr_maxsz (1) | |
81 | #define op_decode_hdr_maxsz (2) | |
9104a55d TM |
82 | #define encode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE)) |
83 | #define decode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE)) | |
84 | #define encode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE)) | |
85 | #define decode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE)) | |
1da177e4 LT |
86 | #define encode_putfh_maxsz (op_encode_hdr_maxsz + 1 + \ |
87 | (NFS4_FHSIZE >> 2)) | |
88 | #define decode_putfh_maxsz (op_decode_hdr_maxsz) | |
89 | #define encode_putrootfh_maxsz (op_encode_hdr_maxsz) | |
90 | #define decode_putrootfh_maxsz (op_decode_hdr_maxsz) | |
91 | #define encode_getfh_maxsz (op_encode_hdr_maxsz) | |
92 | #define decode_getfh_maxsz (op_decode_hdr_maxsz + 1 + \ | |
93 | ((3+NFS4_FHSIZE) >> 2)) | |
96928206 BF |
94 | #define nfs4_fattr_bitmap_maxsz 3 |
95 | #define encode_getattr_maxsz (op_encode_hdr_maxsz + nfs4_fattr_bitmap_maxsz) | |
1da177e4 LT |
96 | #define nfs4_name_maxsz (1 + ((3 + NFS4_MAXNAMLEN) >> 2)) |
97 | #define nfs4_path_maxsz (1 + ((3 + NFS4_MAXPATHLEN) >> 2)) | |
bd625ba8 TM |
98 | #define nfs4_owner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) |
99 | #define nfs4_group_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) | |
96928206 BF |
100 | /* This is based on getfattr, which uses the most attributes: */ |
101 | #define nfs4_fattr_value_maxsz (1 + (1 + 2 + 2 + 4 + 2 + 1 + 1 + 2 + 2 + \ | |
bd625ba8 | 102 | 3 + 3 + 3 + nfs4_owner_maxsz + nfs4_group_maxsz)) |
96928206 BF |
103 | #define nfs4_fattr_maxsz (nfs4_fattr_bitmap_maxsz + \ |
104 | nfs4_fattr_value_maxsz) | |
105 | #define decode_getattr_maxsz (op_decode_hdr_maxsz + nfs4_fattr_maxsz) | |
9104a55d TM |
106 | #define encode_attrs_maxsz (nfs4_fattr_bitmap_maxsz + \ |
107 | 1 + 2 + 1 + \ | |
108 | nfs4_owner_maxsz + \ | |
109 | nfs4_group_maxsz + \ | |
110 | 4 + 4) | |
1da177e4 LT |
111 | #define encode_savefh_maxsz (op_encode_hdr_maxsz) |
112 | #define decode_savefh_maxsz (op_decode_hdr_maxsz) | |
56ae19f3 TM |
113 | #define encode_restorefh_maxsz (op_encode_hdr_maxsz) |
114 | #define decode_restorefh_maxsz (op_decode_hdr_maxsz) | |
2f42b5d0 | 115 | #define encode_fsinfo_maxsz (encode_getattr_maxsz) |
7ebb9315 | 116 | #define decode_fsinfo_maxsz (op_decode_hdr_maxsz + 15) |
1da177e4 LT |
117 | #define encode_renew_maxsz (op_encode_hdr_maxsz + 3) |
118 | #define decode_renew_maxsz (op_decode_hdr_maxsz) | |
119 | #define encode_setclientid_maxsz \ | |
120 | (op_encode_hdr_maxsz + \ | |
cc38bac3 CL |
121 | XDR_QUADLEN(NFS4_VERIFIER_SIZE) + \ |
122 | XDR_QUADLEN(NFS4_SETCLIENTID_NAMELEN) + \ | |
123 | 1 /* sc_prog */ + \ | |
124 | XDR_QUADLEN(RPCBIND_MAXNETIDLEN) + \ | |
125 | XDR_QUADLEN(RPCBIND_MAXUADDRLEN) + \ | |
126 | 1) /* sc_cb_ident */ | |
1da177e4 LT |
127 | #define decode_setclientid_maxsz \ |
128 | (op_decode_hdr_maxsz + \ | |
129 | 2 + \ | |
130 | 1024) /* large value for CLID_INUSE */ | |
131 | #define encode_setclientid_confirm_maxsz \ | |
132 | (op_encode_hdr_maxsz + \ | |
133 | 3 + (NFS4_VERIFIER_SIZE >> 2)) | |
134 | #define decode_setclientid_confirm_maxsz \ | |
135 | (op_decode_hdr_maxsz) | |
e6889620 TM |
136 | #define encode_lookup_maxsz (op_encode_hdr_maxsz + nfs4_name_maxsz) |
137 | #define decode_lookup_maxsz (op_decode_hdr_maxsz) | |
2cebf828 TM |
138 | #define encode_share_access_maxsz \ |
139 | (2) | |
4882ef72 | 140 | #define encode_createmode_maxsz (1 + encode_attrs_maxsz + encode_verifier_maxsz) |
2cebf828 TM |
141 | #define encode_opentype_maxsz (1 + encode_createmode_maxsz) |
142 | #define encode_claim_null_maxsz (1 + nfs4_name_maxsz) | |
143 | #define encode_open_maxsz (op_encode_hdr_maxsz + \ | |
144 | 2 + encode_share_access_maxsz + 2 + \ | |
145 | open_owner_id_maxsz + \ | |
146 | encode_opentype_maxsz + \ | |
147 | encode_claim_null_maxsz) | |
148 | #define decode_ace_maxsz (3 + nfs4_owner_maxsz) | |
9104a55d | 149 | #define decode_delegation_maxsz (1 + decode_stateid_maxsz + 1 + \ |
2cebf828 TM |
150 | decode_ace_maxsz) |
151 | #define decode_change_info_maxsz (5) | |
152 | #define decode_open_maxsz (op_decode_hdr_maxsz + \ | |
9104a55d | 153 | decode_stateid_maxsz + \ |
2cebf828 TM |
154 | decode_change_info_maxsz + 1 + \ |
155 | nfs4_fattr_bitmap_maxsz + \ | |
156 | decode_delegation_maxsz) | |
9104a55d TM |
157 | #define encode_open_confirm_maxsz \ |
158 | (op_encode_hdr_maxsz + \ | |
159 | encode_stateid_maxsz + 1) | |
160 | #define decode_open_confirm_maxsz \ | |
161 | (op_decode_hdr_maxsz + \ | |
162 | decode_stateid_maxsz) | |
163 | #define encode_open_downgrade_maxsz \ | |
164 | (op_encode_hdr_maxsz + \ | |
165 | encode_stateid_maxsz + 1 + \ | |
166 | encode_share_access_maxsz) | |
167 | #define decode_open_downgrade_maxsz \ | |
168 | (op_decode_hdr_maxsz + \ | |
169 | decode_stateid_maxsz) | |
170 | #define encode_close_maxsz (op_encode_hdr_maxsz + \ | |
171 | 1 + encode_stateid_maxsz) | |
172 | #define decode_close_maxsz (op_decode_hdr_maxsz + \ | |
173 | decode_stateid_maxsz) | |
174 | #define encode_setattr_maxsz (op_encode_hdr_maxsz + \ | |
175 | encode_stateid_maxsz + \ | |
176 | encode_attrs_maxsz) | |
177 | #define decode_setattr_maxsz (op_decode_hdr_maxsz + \ | |
178 | nfs4_fattr_bitmap_maxsz) | |
179 | #define encode_read_maxsz (op_encode_hdr_maxsz + \ | |
180 | encode_stateid_maxsz + 3) | |
181 | #define decode_read_maxsz (op_decode_hdr_maxsz + 2) | |
182 | #define encode_readdir_maxsz (op_encode_hdr_maxsz + \ | |
183 | 2 + encode_verifier_maxsz + 5) | |
184 | #define decode_readdir_maxsz (op_decode_hdr_maxsz + \ | |
185 | decode_verifier_maxsz) | |
186 | #define encode_readlink_maxsz (op_encode_hdr_maxsz) | |
187 | #define decode_readlink_maxsz (op_decode_hdr_maxsz + 1) | |
188 | #define encode_write_maxsz (op_encode_hdr_maxsz + \ | |
189 | encode_stateid_maxsz + 4) | |
190 | #define decode_write_maxsz (op_decode_hdr_maxsz + \ | |
191 | 2 + decode_verifier_maxsz) | |
192 | #define encode_commit_maxsz (op_encode_hdr_maxsz + 3) | |
193 | #define decode_commit_maxsz (op_decode_hdr_maxsz + \ | |
194 | decode_verifier_maxsz) | |
1da177e4 LT |
195 | #define encode_remove_maxsz (op_encode_hdr_maxsz + \ |
196 | nfs4_name_maxsz) | |
6ce18391 BH |
197 | #define decode_remove_maxsz (op_decode_hdr_maxsz + \ |
198 | decode_change_info_maxsz) | |
1da177e4 LT |
199 | #define encode_rename_maxsz (op_encode_hdr_maxsz + \ |
200 | 2 * nfs4_name_maxsz) | |
6ce18391 BH |
201 | #define decode_rename_maxsz (op_decode_hdr_maxsz + \ |
202 | decode_change_info_maxsz + \ | |
203 | decode_change_info_maxsz) | |
1da177e4 LT |
204 | #define encode_link_maxsz (op_encode_hdr_maxsz + \ |
205 | nfs4_name_maxsz) | |
6ce18391 | 206 | #define decode_link_maxsz (op_decode_hdr_maxsz + decode_change_info_maxsz) |
daccbded | 207 | #define encode_lockowner_maxsz (7) |
9104a55d TM |
208 | #define encode_lock_maxsz (op_encode_hdr_maxsz + \ |
209 | 7 + \ | |
daccbded TM |
210 | 1 + encode_stateid_maxsz + 1 + \ |
211 | encode_lockowner_maxsz) | |
9104a55d TM |
212 | #define decode_lock_denied_maxsz \ |
213 | (8 + decode_lockowner_maxsz) | |
214 | #define decode_lock_maxsz (op_decode_hdr_maxsz + \ | |
215 | decode_lock_denied_maxsz) | |
daccbded TM |
216 | #define encode_lockt_maxsz (op_encode_hdr_maxsz + 5 + \ |
217 | encode_lockowner_maxsz) | |
9104a55d TM |
218 | #define decode_lockt_maxsz (op_decode_hdr_maxsz + \ |
219 | decode_lock_denied_maxsz) | |
220 | #define encode_locku_maxsz (op_encode_hdr_maxsz + 3 + \ | |
221 | encode_stateid_maxsz + \ | |
222 | 4) | |
223 | #define decode_locku_maxsz (op_decode_hdr_maxsz + \ | |
224 | decode_stateid_maxsz) | |
d3c7b7cc TM |
225 | #define encode_release_lockowner_maxsz \ |
226 | (op_encode_hdr_maxsz + \ | |
227 | encode_lockowner_maxsz) | |
228 | #define decode_release_lockowner_maxsz \ | |
229 | (op_decode_hdr_maxsz) | |
9104a55d TM |
230 | #define encode_access_maxsz (op_encode_hdr_maxsz + 1) |
231 | #define decode_access_maxsz (op_decode_hdr_maxsz + 2) | |
1da177e4 LT |
232 | #define encode_symlink_maxsz (op_encode_hdr_maxsz + \ |
233 | 1 + nfs4_name_maxsz + \ | |
94a6d753 | 234 | 1 + \ |
96928206 | 235 | nfs4_fattr_maxsz) |
1da177e4 LT |
236 | #define decode_symlink_maxsz (op_decode_hdr_maxsz + 8) |
237 | #define encode_create_maxsz (op_encode_hdr_maxsz + \ | |
9104a55d TM |
238 | 1 + 2 + nfs4_name_maxsz + \ |
239 | encode_attrs_maxsz) | |
2cebf828 TM |
240 | #define decode_create_maxsz (op_decode_hdr_maxsz + \ |
241 | decode_change_info_maxsz + \ | |
242 | nfs4_fattr_bitmap_maxsz) | |
9104a55d TM |
243 | #define encode_statfs_maxsz (encode_getattr_maxsz) |
244 | #define decode_statfs_maxsz (decode_getattr_maxsz) | |
1da177e4 LT |
245 | #define encode_delegreturn_maxsz (op_encode_hdr_maxsz + 4) |
246 | #define decode_delegreturn_maxsz (op_decode_hdr_maxsz) | |
9104a55d TM |
247 | #define encode_getacl_maxsz (encode_getattr_maxsz) |
248 | #define decode_getacl_maxsz (op_decode_hdr_maxsz + \ | |
249 | nfs4_fattr_bitmap_maxsz + 1) | |
250 | #define encode_setacl_maxsz (op_encode_hdr_maxsz + \ | |
251 | encode_stateid_maxsz + 3) | |
252 | #define decode_setacl_maxsz (decode_setattr_maxsz) | |
e6889620 TM |
253 | #define encode_fs_locations_maxsz \ |
254 | (encode_getattr_maxsz) | |
255 | #define decode_fs_locations_maxsz \ | |
256 | (0) | |
5a5ea0d4 BS |
257 | #define encode_secinfo_maxsz (op_encode_hdr_maxsz + nfs4_name_maxsz) |
258 | #define decode_secinfo_maxsz (op_decode_hdr_maxsz + 4 + (NFS_MAX_SECFLAVORS * (16 + GSS_OID_MAX_LEN))) | |
9b7b9fcc AA |
259 | |
260 | #if defined(CONFIG_NFS_V4_1) | |
fc931582 AA |
261 | #define NFS4_MAX_MACHINE_NAME_LEN (64) |
262 | ||
99fe60d0 BH |
263 | #define encode_exchange_id_maxsz (op_encode_hdr_maxsz + \ |
264 | encode_verifier_maxsz + \ | |
265 | 1 /* co_ownerid.len */ + \ | |
266 | XDR_QUADLEN(NFS4_EXCHANGE_ID_LEN) + \ | |
267 | 1 /* flags */ + \ | |
268 | 1 /* spa_how */ + \ | |
269 | 0 /* SP4_NONE (for now) */ + \ | |
270 | 1 /* zero implemetation id array */) | |
271 | #define decode_exchange_id_maxsz (op_decode_hdr_maxsz + \ | |
272 | 2 /* eir_clientid */ + \ | |
273 | 1 /* eir_sequenceid */ + \ | |
274 | 1 /* eir_flags */ + \ | |
275 | 1 /* spr_how */ + \ | |
276 | 0 /* SP4_NONE (for now) */ + \ | |
277 | 2 /* eir_server_owner.so_minor_id */ + \ | |
278 | /* eir_server_owner.so_major_id<> */ \ | |
279 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 + \ | |
280 | /* eir_server_scope<> */ \ | |
281 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 + \ | |
282 | 1 /* eir_server_impl_id array length */ + \ | |
283 | 0 /* ignored eir_server_impl_id contents */) | |
fc931582 AA |
284 | #define encode_channel_attrs_maxsz (6 + 1 /* ca_rdma_ird.len (0) */) |
285 | #define decode_channel_attrs_maxsz (6 + \ | |
286 | 1 /* ca_rdma_ird.len */ + \ | |
287 | 1 /* ca_rdma_ird */) | |
288 | #define encode_create_session_maxsz (op_encode_hdr_maxsz + \ | |
289 | 2 /* csa_clientid */ + \ | |
290 | 1 /* csa_sequence */ + \ | |
291 | 1 /* csa_flags */ + \ | |
292 | encode_channel_attrs_maxsz + \ | |
293 | encode_channel_attrs_maxsz + \ | |
294 | 1 /* csa_cb_program */ + \ | |
295 | 1 /* csa_sec_parms.len (1) */ + \ | |
296 | 1 /* cb_secflavor (AUTH_SYS) */ + \ | |
297 | 1 /* stamp */ + \ | |
298 | 1 /* machinename.len */ + \ | |
299 | XDR_QUADLEN(NFS4_MAX_MACHINE_NAME_LEN) + \ | |
300 | 1 /* uid */ + \ | |
301 | 1 /* gid */ + \ | |
302 | 1 /* gids.len (0) */) | |
303 | #define decode_create_session_maxsz (op_decode_hdr_maxsz + \ | |
304 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + \ | |
305 | 1 /* csr_sequence */ + \ | |
306 | 1 /* csr_flags */ + \ | |
307 | decode_channel_attrs_maxsz + \ | |
308 | decode_channel_attrs_maxsz) | |
0f3e66c6 AA |
309 | #define encode_destroy_session_maxsz (op_encode_hdr_maxsz + 4) |
310 | #define decode_destroy_session_maxsz (op_decode_hdr_maxsz) | |
fc01cea9 AA |
311 | #define encode_sequence_maxsz (op_encode_hdr_maxsz + \ |
312 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 4) | |
313 | #define decode_sequence_maxsz (op_decode_hdr_maxsz + \ | |
314 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 5) | |
18019753 RL |
315 | #define encode_reclaim_complete_maxsz (op_encode_hdr_maxsz + 4) |
316 | #define decode_reclaim_complete_maxsz (op_decode_hdr_maxsz + 4) | |
b1f69b75 AA |
317 | #define encode_getdeviceinfo_maxsz (op_encode_hdr_maxsz + 4 + \ |
318 | XDR_QUADLEN(NFS4_DEVICEID4_SIZE)) | |
319 | #define decode_getdeviceinfo_maxsz (op_decode_hdr_maxsz + \ | |
320 | 1 /* layout type */ + \ | |
321 | 1 /* opaque devaddr4 length */ + \ | |
322 | /* devaddr4 payload is read into page */ \ | |
323 | 1 /* notification bitmap length */ + \ | |
324 | 1 /* notification bitmap */) | |
325 | #define encode_layoutget_maxsz (op_encode_hdr_maxsz + 10 + \ | |
326 | encode_stateid_maxsz) | |
327 | #define decode_layoutget_maxsz (op_decode_hdr_maxsz + 8 + \ | |
328 | decode_stateid_maxsz + \ | |
329 | XDR_QUADLEN(PNFS_LAYOUT_MAXSIZE)) | |
863a3c6c AA |
330 | #define encode_layoutcommit_maxsz (op_encode_hdr_maxsz + \ |
331 | 2 /* offset */ + \ | |
332 | 2 /* length */ + \ | |
333 | 1 /* reclaim */ + \ | |
334 | encode_stateid_maxsz + \ | |
335 | 1 /* new offset (true) */ + \ | |
336 | 2 /* last byte written */ + \ | |
337 | 1 /* nt_timechanged (false) */ + \ | |
338 | 1 /* layoutupdate4 layout type */ + \ | |
339 | 1 /* NULL filelayout layoutupdate4 payload */) | |
340 | #define decode_layoutcommit_maxsz (op_decode_hdr_maxsz + 3) | |
341 | ||
9b7b9fcc AA |
342 | #else /* CONFIG_NFS_V4_1 */ |
343 | #define encode_sequence_maxsz 0 | |
344 | #define decode_sequence_maxsz 0 | |
345 | #endif /* CONFIG_NFS_V4_1 */ | |
346 | ||
1da177e4 LT |
347 | #define NFS4_enc_compound_sz (1024) /* XXX: large enough? */ |
348 | #define NFS4_dec_compound_sz (1024) /* XXX: large enough? */ | |
349 | #define NFS4_enc_read_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 350 | encode_sequence_maxsz + \ |
1da177e4 | 351 | encode_putfh_maxsz + \ |
9104a55d | 352 | encode_read_maxsz) |
1da177e4 | 353 | #define NFS4_dec_read_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 354 | decode_sequence_maxsz + \ |
1da177e4 | 355 | decode_putfh_maxsz + \ |
9104a55d | 356 | decode_read_maxsz) |
1da177e4 | 357 | #define NFS4_enc_readlink_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 358 | encode_sequence_maxsz + \ |
1da177e4 | 359 | encode_putfh_maxsz + \ |
9104a55d | 360 | encode_readlink_maxsz) |
1da177e4 | 361 | #define NFS4_dec_readlink_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 362 | decode_sequence_maxsz + \ |
1da177e4 | 363 | decode_putfh_maxsz + \ |
9104a55d | 364 | decode_readlink_maxsz) |
1da177e4 | 365 | #define NFS4_enc_readdir_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 366 | encode_sequence_maxsz + \ |
1da177e4 | 367 | encode_putfh_maxsz + \ |
9104a55d | 368 | encode_readdir_maxsz) |
1da177e4 | 369 | #define NFS4_dec_readdir_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 370 | decode_sequence_maxsz + \ |
1da177e4 | 371 | decode_putfh_maxsz + \ |
9104a55d | 372 | decode_readdir_maxsz) |
1da177e4 | 373 | #define NFS4_enc_write_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 374 | encode_sequence_maxsz + \ |
1da177e4 | 375 | encode_putfh_maxsz + \ |
9104a55d | 376 | encode_write_maxsz + \ |
4f9838c7 | 377 | encode_getattr_maxsz) |
1da177e4 | 378 | #define NFS4_dec_write_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 379 | decode_sequence_maxsz + \ |
1da177e4 | 380 | decode_putfh_maxsz + \ |
9104a55d | 381 | decode_write_maxsz + \ |
4f9838c7 | 382 | decode_getattr_maxsz) |
1da177e4 | 383 | #define NFS4_enc_commit_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 384 | encode_sequence_maxsz + \ |
1da177e4 | 385 | encode_putfh_maxsz + \ |
9104a55d | 386 | encode_commit_maxsz + \ |
4f9838c7 | 387 | encode_getattr_maxsz) |
1da177e4 | 388 | #define NFS4_dec_commit_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 389 | decode_sequence_maxsz + \ |
1da177e4 | 390 | decode_putfh_maxsz + \ |
9104a55d | 391 | decode_commit_maxsz + \ |
4f9838c7 | 392 | decode_getattr_maxsz) |
1da177e4 | 393 | #define NFS4_enc_open_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 394 | encode_sequence_maxsz + \ |
2cebf828 TM |
395 | encode_putfh_maxsz + \ |
396 | encode_savefh_maxsz + \ | |
397 | encode_open_maxsz + \ | |
398 | encode_getfh_maxsz + \ | |
399 | encode_getattr_maxsz + \ | |
400 | encode_restorefh_maxsz + \ | |
401 | encode_getattr_maxsz) | |
1da177e4 | 402 | #define NFS4_dec_open_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 403 | decode_sequence_maxsz + \ |
2cebf828 TM |
404 | decode_putfh_maxsz + \ |
405 | decode_savefh_maxsz + \ | |
406 | decode_open_maxsz + \ | |
407 | decode_getfh_maxsz + \ | |
408 | decode_getattr_maxsz + \ | |
409 | decode_restorefh_maxsz + \ | |
410 | decode_getattr_maxsz) | |
9104a55d TM |
411 | #define NFS4_enc_open_confirm_sz \ |
412 | (compound_encode_hdr_maxsz + \ | |
413 | encode_putfh_maxsz + \ | |
414 | encode_open_confirm_maxsz) | |
415 | #define NFS4_dec_open_confirm_sz \ | |
416 | (compound_decode_hdr_maxsz + \ | |
417 | decode_putfh_maxsz + \ | |
418 | decode_open_confirm_maxsz) | |
1da177e4 | 419 | #define NFS4_enc_open_noattr_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 420 | encode_sequence_maxsz + \ |
1da177e4 | 421 | encode_putfh_maxsz + \ |
2cebf828 TM |
422 | encode_open_maxsz + \ |
423 | encode_getattr_maxsz) | |
1da177e4 | 424 | #define NFS4_dec_open_noattr_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 425 | decode_sequence_maxsz + \ |
1da177e4 | 426 | decode_putfh_maxsz + \ |
2cebf828 TM |
427 | decode_open_maxsz + \ |
428 | decode_getattr_maxsz) | |
1da177e4 LT |
429 | #define NFS4_enc_open_downgrade_sz \ |
430 | (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 431 | encode_sequence_maxsz + \ |
9104a55d TM |
432 | encode_putfh_maxsz + \ |
433 | encode_open_downgrade_maxsz + \ | |
434 | encode_getattr_maxsz) | |
1da177e4 LT |
435 | #define NFS4_dec_open_downgrade_sz \ |
436 | (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 437 | decode_sequence_maxsz + \ |
9104a55d TM |
438 | decode_putfh_maxsz + \ |
439 | decode_open_downgrade_maxsz + \ | |
440 | decode_getattr_maxsz) | |
441 | #define NFS4_enc_close_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 442 | encode_sequence_maxsz + \ |
9104a55d TM |
443 | encode_putfh_maxsz + \ |
444 | encode_close_maxsz + \ | |
445 | encode_getattr_maxsz) | |
446 | #define NFS4_dec_close_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 447 | decode_sequence_maxsz + \ |
9104a55d TM |
448 | decode_putfh_maxsz + \ |
449 | decode_close_maxsz + \ | |
450 | decode_getattr_maxsz) | |
451 | #define NFS4_enc_setattr_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 452 | encode_sequence_maxsz + \ |
9104a55d TM |
453 | encode_putfh_maxsz + \ |
454 | encode_setattr_maxsz + \ | |
455 | encode_getattr_maxsz) | |
456 | #define NFS4_dec_setattr_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 457 | decode_sequence_maxsz + \ |
9104a55d TM |
458 | decode_putfh_maxsz + \ |
459 | decode_setattr_maxsz + \ | |
460 | decode_getattr_maxsz) | |
1da177e4 | 461 | #define NFS4_enc_fsinfo_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 462 | encode_sequence_maxsz + \ |
1da177e4 LT |
463 | encode_putfh_maxsz + \ |
464 | encode_fsinfo_maxsz) | |
465 | #define NFS4_dec_fsinfo_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 466 | decode_sequence_maxsz + \ |
1da177e4 LT |
467 | decode_putfh_maxsz + \ |
468 | decode_fsinfo_maxsz) | |
469 | #define NFS4_enc_renew_sz (compound_encode_hdr_maxsz + \ | |
470 | encode_renew_maxsz) | |
471 | #define NFS4_dec_renew_sz (compound_decode_hdr_maxsz + \ | |
472 | decode_renew_maxsz) | |
473 | #define NFS4_enc_setclientid_sz (compound_encode_hdr_maxsz + \ | |
474 | encode_setclientid_maxsz) | |
475 | #define NFS4_dec_setclientid_sz (compound_decode_hdr_maxsz + \ | |
476 | decode_setclientid_maxsz) | |
477 | #define NFS4_enc_setclientid_confirm_sz \ | |
478 | (compound_encode_hdr_maxsz + \ | |
479 | encode_setclientid_confirm_maxsz + \ | |
480 | encode_putrootfh_maxsz + \ | |
481 | encode_fsinfo_maxsz) | |
482 | #define NFS4_dec_setclientid_confirm_sz \ | |
483 | (compound_decode_hdr_maxsz + \ | |
484 | decode_setclientid_confirm_maxsz + \ | |
485 | decode_putrootfh_maxsz + \ | |
486 | decode_fsinfo_maxsz) | |
487 | #define NFS4_enc_lock_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 488 | encode_sequence_maxsz + \ |
1da177e4 | 489 | encode_putfh_maxsz + \ |
9104a55d | 490 | encode_lock_maxsz) |
1da177e4 | 491 | #define NFS4_dec_lock_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 492 | decode_sequence_maxsz + \ |
1da177e4 | 493 | decode_putfh_maxsz + \ |
9104a55d | 494 | decode_lock_maxsz) |
1da177e4 | 495 | #define NFS4_enc_lockt_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 496 | encode_sequence_maxsz + \ |
1da177e4 | 497 | encode_putfh_maxsz + \ |
9104a55d TM |
498 | encode_lockt_maxsz) |
499 | #define NFS4_dec_lockt_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 500 | decode_sequence_maxsz + \ |
9104a55d TM |
501 | decode_putfh_maxsz + \ |
502 | decode_lockt_maxsz) | |
1da177e4 | 503 | #define NFS4_enc_locku_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 504 | encode_sequence_maxsz + \ |
1da177e4 | 505 | encode_putfh_maxsz + \ |
9104a55d | 506 | encode_locku_maxsz) |
1da177e4 | 507 | #define NFS4_dec_locku_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 508 | decode_sequence_maxsz + \ |
1da177e4 | 509 | decode_putfh_maxsz + \ |
9104a55d | 510 | decode_locku_maxsz) |
d3c7b7cc TM |
511 | #define NFS4_enc_release_lockowner_sz \ |
512 | (compound_encode_hdr_maxsz + \ | |
513 | encode_lockowner_maxsz) | |
514 | #define NFS4_dec_release_lockowner_sz \ | |
515 | (compound_decode_hdr_maxsz + \ | |
516 | decode_lockowner_maxsz) | |
1da177e4 | 517 | #define NFS4_enc_access_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 518 | encode_sequence_maxsz + \ |
1da177e4 | 519 | encode_putfh_maxsz + \ |
76b32999 TM |
520 | encode_access_maxsz + \ |
521 | encode_getattr_maxsz) | |
1da177e4 | 522 | #define NFS4_dec_access_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 523 | decode_sequence_maxsz + \ |
1da177e4 | 524 | decode_putfh_maxsz + \ |
76b32999 TM |
525 | decode_access_maxsz + \ |
526 | decode_getattr_maxsz) | |
1da177e4 | 527 | #define NFS4_enc_getattr_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 528 | encode_sequence_maxsz + \ |
1da177e4 LT |
529 | encode_putfh_maxsz + \ |
530 | encode_getattr_maxsz) | |
531 | #define NFS4_dec_getattr_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 532 | decode_sequence_maxsz + \ |
1da177e4 LT |
533 | decode_putfh_maxsz + \ |
534 | decode_getattr_maxsz) | |
535 | #define NFS4_enc_lookup_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 536 | encode_sequence_maxsz + \ |
1da177e4 LT |
537 | encode_putfh_maxsz + \ |
538 | encode_lookup_maxsz + \ | |
539 | encode_getattr_maxsz + \ | |
540 | encode_getfh_maxsz) | |
541 | #define NFS4_dec_lookup_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 542 | decode_sequence_maxsz + \ |
1da177e4 | 543 | decode_putfh_maxsz + \ |
e6889620 | 544 | decode_lookup_maxsz + \ |
1da177e4 LT |
545 | decode_getattr_maxsz + \ |
546 | decode_getfh_maxsz) | |
547 | #define NFS4_enc_lookup_root_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 548 | encode_sequence_maxsz + \ |
1da177e4 LT |
549 | encode_putrootfh_maxsz + \ |
550 | encode_getattr_maxsz + \ | |
551 | encode_getfh_maxsz) | |
552 | #define NFS4_dec_lookup_root_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 553 | decode_sequence_maxsz + \ |
1da177e4 LT |
554 | decode_putrootfh_maxsz + \ |
555 | decode_getattr_maxsz + \ | |
556 | decode_getfh_maxsz) | |
557 | #define NFS4_enc_remove_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 558 | encode_sequence_maxsz + \ |
1da177e4 | 559 | encode_putfh_maxsz + \ |
16e42959 TM |
560 | encode_remove_maxsz + \ |
561 | encode_getattr_maxsz) | |
1da177e4 | 562 | #define NFS4_dec_remove_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 563 | decode_sequence_maxsz + \ |
1da177e4 | 564 | decode_putfh_maxsz + \ |
6ce18391 | 565 | decode_remove_maxsz + \ |
16e42959 | 566 | decode_getattr_maxsz) |
1da177e4 | 567 | #define NFS4_enc_rename_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 568 | encode_sequence_maxsz + \ |
1da177e4 LT |
569 | encode_putfh_maxsz + \ |
570 | encode_savefh_maxsz + \ | |
571 | encode_putfh_maxsz + \ | |
6caf2c82 TM |
572 | encode_rename_maxsz + \ |
573 | encode_getattr_maxsz + \ | |
574 | encode_restorefh_maxsz + \ | |
575 | encode_getattr_maxsz) | |
1da177e4 | 576 | #define NFS4_dec_rename_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 577 | decode_sequence_maxsz + \ |
1da177e4 LT |
578 | decode_putfh_maxsz + \ |
579 | decode_savefh_maxsz + \ | |
580 | decode_putfh_maxsz + \ | |
6caf2c82 TM |
581 | decode_rename_maxsz + \ |
582 | decode_getattr_maxsz + \ | |
583 | decode_restorefh_maxsz + \ | |
584 | decode_getattr_maxsz) | |
1da177e4 | 585 | #define NFS4_enc_link_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 586 | encode_sequence_maxsz + \ |
1da177e4 LT |
587 | encode_putfh_maxsz + \ |
588 | encode_savefh_maxsz + \ | |
589 | encode_putfh_maxsz + \ | |
91ba2eee TM |
590 | encode_link_maxsz + \ |
591 | decode_getattr_maxsz + \ | |
592 | encode_restorefh_maxsz + \ | |
593 | decode_getattr_maxsz) | |
1da177e4 | 594 | #define NFS4_dec_link_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 595 | decode_sequence_maxsz + \ |
1da177e4 LT |
596 | decode_putfh_maxsz + \ |
597 | decode_savefh_maxsz + \ | |
598 | decode_putfh_maxsz + \ | |
91ba2eee TM |
599 | decode_link_maxsz + \ |
600 | decode_getattr_maxsz + \ | |
601 | decode_restorefh_maxsz + \ | |
602 | decode_getattr_maxsz) | |
1da177e4 | 603 | #define NFS4_enc_symlink_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 604 | encode_sequence_maxsz + \ |
1da177e4 LT |
605 | encode_putfh_maxsz + \ |
606 | encode_symlink_maxsz + \ | |
607 | encode_getattr_maxsz + \ | |
608 | encode_getfh_maxsz) | |
609 | #define NFS4_dec_symlink_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 610 | decode_sequence_maxsz + \ |
1da177e4 LT |
611 | decode_putfh_maxsz + \ |
612 | decode_symlink_maxsz + \ | |
613 | decode_getattr_maxsz + \ | |
614 | decode_getfh_maxsz) | |
615 | #define NFS4_enc_create_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 616 | encode_sequence_maxsz + \ |
1da177e4 | 617 | encode_putfh_maxsz + \ |
56ae19f3 | 618 | encode_savefh_maxsz + \ |
1da177e4 | 619 | encode_create_maxsz + \ |
56ae19f3 | 620 | encode_getfh_maxsz + \ |
1da177e4 | 621 | encode_getattr_maxsz + \ |
56ae19f3 TM |
622 | encode_restorefh_maxsz + \ |
623 | encode_getattr_maxsz) | |
1da177e4 | 624 | #define NFS4_dec_create_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 625 | decode_sequence_maxsz + \ |
1da177e4 | 626 | decode_putfh_maxsz + \ |
56ae19f3 | 627 | decode_savefh_maxsz + \ |
1da177e4 | 628 | decode_create_maxsz + \ |
56ae19f3 | 629 | decode_getfh_maxsz + \ |
1da177e4 | 630 | decode_getattr_maxsz + \ |
56ae19f3 TM |
631 | decode_restorefh_maxsz + \ |
632 | decode_getattr_maxsz) | |
1da177e4 | 633 | #define NFS4_enc_pathconf_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 634 | encode_sequence_maxsz + \ |
1da177e4 LT |
635 | encode_putfh_maxsz + \ |
636 | encode_getattr_maxsz) | |
637 | #define NFS4_dec_pathconf_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 638 | decode_sequence_maxsz + \ |
1da177e4 LT |
639 | decode_putfh_maxsz + \ |
640 | decode_getattr_maxsz) | |
641 | #define NFS4_enc_statfs_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 642 | encode_sequence_maxsz + \ |
1da177e4 | 643 | encode_putfh_maxsz + \ |
9104a55d | 644 | encode_statfs_maxsz) |
1da177e4 | 645 | #define NFS4_dec_statfs_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 646 | decode_sequence_maxsz + \ |
1da177e4 | 647 | decode_putfh_maxsz + \ |
9104a55d | 648 | decode_statfs_maxsz) |
1da177e4 | 649 | #define NFS4_enc_server_caps_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 650 | encode_sequence_maxsz + \ |
ab91f264 | 651 | encode_putfh_maxsz + \ |
1da177e4 LT |
652 | encode_getattr_maxsz) |
653 | #define NFS4_dec_server_caps_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 654 | decode_sequence_maxsz + \ |
ab91f264 | 655 | decode_putfh_maxsz + \ |
1da177e4 LT |
656 | decode_getattr_maxsz) |
657 | #define NFS4_enc_delegreturn_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 658 | encode_sequence_maxsz + \ |
1da177e4 | 659 | encode_putfh_maxsz + \ |
fa178f29 TM |
660 | encode_delegreturn_maxsz + \ |
661 | encode_getattr_maxsz) | |
1da177e4 | 662 | #define NFS4_dec_delegreturn_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 663 | decode_sequence_maxsz + \ |
fa178f29 TM |
664 | decode_delegreturn_maxsz + \ |
665 | decode_getattr_maxsz) | |
029d105e | 666 | #define NFS4_enc_getacl_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 667 | encode_sequence_maxsz + \ |
029d105e | 668 | encode_putfh_maxsz + \ |
9104a55d | 669 | encode_getacl_maxsz) |
029d105e | 670 | #define NFS4_dec_getacl_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 671 | decode_sequence_maxsz + \ |
029d105e | 672 | decode_putfh_maxsz + \ |
9104a55d | 673 | decode_getacl_maxsz) |
23ec6965 | 674 | #define NFS4_enc_setacl_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 675 | encode_sequence_maxsz + \ |
23ec6965 | 676 | encode_putfh_maxsz + \ |
9104a55d | 677 | encode_setacl_maxsz) |
23ec6965 | 678 | #define NFS4_dec_setacl_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 679 | decode_sequence_maxsz + \ |
23ec6965 | 680 | decode_putfh_maxsz + \ |
9104a55d | 681 | decode_setacl_maxsz) |
683b57b4 TM |
682 | #define NFS4_enc_fs_locations_sz \ |
683 | (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 684 | encode_sequence_maxsz + \ |
683b57b4 | 685 | encode_putfh_maxsz + \ |
e6889620 TM |
686 | encode_lookup_maxsz + \ |
687 | encode_fs_locations_maxsz) | |
683b57b4 TM |
688 | #define NFS4_dec_fs_locations_sz \ |
689 | (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 690 | decode_sequence_maxsz + \ |
683b57b4 | 691 | decode_putfh_maxsz + \ |
e6889620 TM |
692 | decode_lookup_maxsz + \ |
693 | decode_fs_locations_maxsz) | |
5a5ea0d4 BS |
694 | #define NFS4_enc_secinfo_sz (compound_encode_hdr_maxsz + \ |
695 | encode_sequence_maxsz + \ | |
696 | encode_putfh_maxsz + \ | |
697 | encode_secinfo_maxsz) | |
698 | #define NFS4_dec_secinfo_sz (compound_decode_hdr_maxsz + \ | |
699 | decode_sequence_maxsz + \ | |
700 | decode_putfh_maxsz + \ | |
701 | decode_secinfo_maxsz) | |
99fe60d0 BH |
702 | #if defined(CONFIG_NFS_V4_1) |
703 | #define NFS4_enc_exchange_id_sz \ | |
704 | (compound_encode_hdr_maxsz + \ | |
705 | encode_exchange_id_maxsz) | |
706 | #define NFS4_dec_exchange_id_sz \ | |
707 | (compound_decode_hdr_maxsz + \ | |
708 | decode_exchange_id_maxsz) | |
fc931582 AA |
709 | #define NFS4_enc_create_session_sz \ |
710 | (compound_encode_hdr_maxsz + \ | |
711 | encode_create_session_maxsz) | |
712 | #define NFS4_dec_create_session_sz \ | |
713 | (compound_decode_hdr_maxsz + \ | |
714 | decode_create_session_maxsz) | |
0f3e66c6 AA |
715 | #define NFS4_enc_destroy_session_sz (compound_encode_hdr_maxsz + \ |
716 | encode_destroy_session_maxsz) | |
717 | #define NFS4_dec_destroy_session_sz (compound_decode_hdr_maxsz + \ | |
718 | decode_destroy_session_maxsz) | |
fc01cea9 AA |
719 | #define NFS4_enc_sequence_sz \ |
720 | (compound_decode_hdr_maxsz + \ | |
721 | encode_sequence_maxsz) | |
722 | #define NFS4_dec_sequence_sz \ | |
723 | (compound_decode_hdr_maxsz + \ | |
724 | decode_sequence_maxsz) | |
2050f0cc AA |
725 | #define NFS4_enc_get_lease_time_sz (compound_encode_hdr_maxsz + \ |
726 | encode_sequence_maxsz + \ | |
727 | encode_putrootfh_maxsz + \ | |
728 | encode_fsinfo_maxsz) | |
729 | #define NFS4_dec_get_lease_time_sz (compound_decode_hdr_maxsz + \ | |
730 | decode_sequence_maxsz + \ | |
731 | decode_putrootfh_maxsz + \ | |
732 | decode_fsinfo_maxsz) | |
18019753 RL |
733 | #define NFS4_enc_reclaim_complete_sz (compound_encode_hdr_maxsz + \ |
734 | encode_sequence_maxsz + \ | |
735 | encode_reclaim_complete_maxsz) | |
736 | #define NFS4_dec_reclaim_complete_sz (compound_decode_hdr_maxsz + \ | |
737 | decode_sequence_maxsz + \ | |
738 | decode_reclaim_complete_maxsz) | |
b1f69b75 AA |
739 | #define NFS4_enc_getdeviceinfo_sz (compound_encode_hdr_maxsz + \ |
740 | encode_sequence_maxsz +\ | |
741 | encode_getdeviceinfo_maxsz) | |
742 | #define NFS4_dec_getdeviceinfo_sz (compound_decode_hdr_maxsz + \ | |
743 | decode_sequence_maxsz + \ | |
744 | decode_getdeviceinfo_maxsz) | |
745 | #define NFS4_enc_layoutget_sz (compound_encode_hdr_maxsz + \ | |
746 | encode_sequence_maxsz + \ | |
747 | encode_putfh_maxsz + \ | |
748 | encode_layoutget_maxsz) | |
749 | #define NFS4_dec_layoutget_sz (compound_decode_hdr_maxsz + \ | |
750 | decode_sequence_maxsz + \ | |
751 | decode_putfh_maxsz + \ | |
752 | decode_layoutget_maxsz) | |
863a3c6c AA |
753 | #define NFS4_enc_layoutcommit_sz (compound_encode_hdr_maxsz + \ |
754 | encode_sequence_maxsz +\ | |
755 | encode_putfh_maxsz + \ | |
756 | encode_layoutcommit_maxsz + \ | |
757 | encode_getattr_maxsz) | |
758 | #define NFS4_dec_layoutcommit_sz (compound_decode_hdr_maxsz + \ | |
759 | decode_sequence_maxsz + \ | |
760 | decode_putfh_maxsz + \ | |
761 | decode_layoutcommit_maxsz + \ | |
762 | decode_getattr_maxsz) | |
763 | ||
2449ea2e AB |
764 | |
765 | const u32 nfs41_maxwrite_overhead = ((RPC_MAX_HEADER_WITH_AUTH + | |
766 | compound_encode_hdr_maxsz + | |
767 | encode_sequence_maxsz + | |
768 | encode_putfh_maxsz + | |
769 | encode_getattr_maxsz) * | |
770 | XDR_UNIT); | |
771 | ||
772 | const u32 nfs41_maxread_overhead = ((RPC_MAX_HEADER_WITH_AUTH + | |
773 | compound_decode_hdr_maxsz + | |
774 | decode_sequence_maxsz + | |
775 | decode_putfh_maxsz) * | |
776 | XDR_UNIT); | |
99fe60d0 | 777 | #endif /* CONFIG_NFS_V4_1 */ |
1da177e4 | 778 | |
bca79478 TM |
779 | static const umode_t nfs_type2fmt[] = { |
780 | [NF4BAD] = 0, | |
781 | [NF4REG] = S_IFREG, | |
782 | [NF4DIR] = S_IFDIR, | |
783 | [NF4BLK] = S_IFBLK, | |
784 | [NF4CHR] = S_IFCHR, | |
785 | [NF4LNK] = S_IFLNK, | |
786 | [NF4SOCK] = S_IFSOCK, | |
787 | [NF4FIFO] = S_IFIFO, | |
788 | [NF4ATTRDIR] = 0, | |
789 | [NF4NAMEDATTR] = 0, | |
1da177e4 LT |
790 | }; |
791 | ||
792 | struct compound_hdr { | |
793 | int32_t status; | |
794 | uint32_t nops; | |
d017931c | 795 | __be32 * nops_p; |
1da177e4 LT |
796 | uint32_t taglen; |
797 | char * tag; | |
0c4e8c18 | 798 | uint32_t replen; /* expected reply words */ |
66cc0429 | 799 | u32 minorversion; |
1da177e4 LT |
800 | }; |
801 | ||
13c65ce9 BH |
802 | static __be32 *reserve_space(struct xdr_stream *xdr, size_t nbytes) |
803 | { | |
804 | __be32 *p = xdr_reserve_space(xdr, nbytes); | |
805 | BUG_ON(!p); | |
806 | return p; | |
807 | } | |
1da177e4 LT |
808 | |
809 | static void encode_string(struct xdr_stream *xdr, unsigned int len, const char *str) | |
810 | { | |
8687b63a | 811 | __be32 *p; |
1da177e4 LT |
812 | |
813 | p = xdr_reserve_space(xdr, 4 + len); | |
814 | BUG_ON(p == NULL); | |
815 | xdr_encode_opaque(p, str, len); | |
816 | } | |
817 | ||
0c4e8c18 BH |
818 | static void encode_compound_hdr(struct xdr_stream *xdr, |
819 | struct rpc_rqst *req, | |
820 | struct compound_hdr *hdr) | |
1da177e4 | 821 | { |
8687b63a | 822 | __be32 *p; |
a17c2153 | 823 | struct rpc_auth *auth = req->rq_cred->cr_auth; |
0c4e8c18 BH |
824 | |
825 | /* initialize running count of expected bytes in reply. | |
826 | * NOTE: the replied tag SHOULD be the same is the one sent, | |
827 | * but this is not required as a MUST for the server to do so. */ | |
828 | hdr->replen = RPC_REPHDRSIZE + auth->au_rslack + 3 + hdr->taglen; | |
1da177e4 LT |
829 | |
830 | dprintk("encode_compound: tag=%.*s\n", (int)hdr->taglen, hdr->tag); | |
831 | BUG_ON(hdr->taglen > NFS4_MAXTAGLEN); | |
811652bd BH |
832 | p = reserve_space(xdr, 4 + hdr->taglen + 8); |
833 | p = xdr_encode_opaque(p, hdr->tag, hdr->taglen); | |
e75bc1c8 | 834 | *p++ = cpu_to_be32(hdr->minorversion); |
d017931c | 835 | hdr->nops_p = p; |
34558513 | 836 | *p = cpu_to_be32(hdr->nops); |
d017931c AA |
837 | } |
838 | ||
839 | static void encode_nops(struct compound_hdr *hdr) | |
840 | { | |
fc931582 | 841 | BUG_ON(hdr->nops > NFS4_MAX_OPS); |
d017931c | 842 | *hdr->nops_p = htonl(hdr->nops); |
1da177e4 LT |
843 | } |
844 | ||
845 | static void encode_nfs4_verifier(struct xdr_stream *xdr, const nfs4_verifier *verf) | |
846 | { | |
8687b63a | 847 | __be32 *p; |
1da177e4 LT |
848 | |
849 | p = xdr_reserve_space(xdr, NFS4_VERIFIER_SIZE); | |
850 | BUG_ON(p == NULL); | |
851 | xdr_encode_opaque_fixed(p, verf->data, NFS4_VERIFIER_SIZE); | |
852 | } | |
853 | ||
cf8cdbe5 | 854 | static void encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const struct nfs_server *server) |
1da177e4 LT |
855 | { |
856 | char owner_name[IDMAP_NAMESZ]; | |
857 | char owner_group[IDMAP_NAMESZ]; | |
858 | int owner_namelen = 0; | |
859 | int owner_grouplen = 0; | |
8687b63a AV |
860 | __be32 *p; |
861 | __be32 *q; | |
1da177e4 LT |
862 | int len; |
863 | uint32_t bmval0 = 0; | |
864 | uint32_t bmval1 = 0; | |
1da177e4 LT |
865 | |
866 | /* | |
867 | * We reserve enough space to write the entire attribute buffer at once. | |
868 | * In the worst-case, this would be | |
869 | * 12(bitmap) + 4(attrlen) + 8(size) + 4(mode) + 4(atime) + 4(mtime) | |
870 | * = 36 bytes, plus any contribution from variable-length fields | |
23ec6965 | 871 | * such as owner/group. |
1da177e4 LT |
872 | */ |
873 | len = 16; | |
874 | ||
875 | /* Sigh */ | |
876 | if (iap->ia_valid & ATTR_SIZE) | |
877 | len += 8; | |
878 | if (iap->ia_valid & ATTR_MODE) | |
879 | len += 4; | |
880 | if (iap->ia_valid & ATTR_UID) { | |
e4fd72a1 | 881 | owner_namelen = nfs_map_uid_to_name(server, iap->ia_uid, owner_name, IDMAP_NAMESZ); |
1da177e4 | 882 | if (owner_namelen < 0) { |
fe82a183 CL |
883 | dprintk("nfs: couldn't resolve uid %d to string\n", |
884 | iap->ia_uid); | |
1da177e4 LT |
885 | /* XXX */ |
886 | strcpy(owner_name, "nobody"); | |
887 | owner_namelen = sizeof("nobody") - 1; | |
888 | /* goto out; */ | |
889 | } | |
890 | len += 4 + (XDR_QUADLEN(owner_namelen) << 2); | |
891 | } | |
892 | if (iap->ia_valid & ATTR_GID) { | |
e4fd72a1 | 893 | owner_grouplen = nfs_map_gid_to_group(server, iap->ia_gid, owner_group, IDMAP_NAMESZ); |
1da177e4 | 894 | if (owner_grouplen < 0) { |
fe82a183 CL |
895 | dprintk("nfs: couldn't resolve gid %d to string\n", |
896 | iap->ia_gid); | |
1da177e4 LT |
897 | strcpy(owner_group, "nobody"); |
898 | owner_grouplen = sizeof("nobody") - 1; | |
899 | /* goto out; */ | |
900 | } | |
901 | len += 4 + (XDR_QUADLEN(owner_grouplen) << 2); | |
902 | } | |
903 | if (iap->ia_valid & ATTR_ATIME_SET) | |
904 | len += 16; | |
905 | else if (iap->ia_valid & ATTR_ATIME) | |
906 | len += 4; | |
907 | if (iap->ia_valid & ATTR_MTIME_SET) | |
908 | len += 16; | |
909 | else if (iap->ia_valid & ATTR_MTIME) | |
910 | len += 4; | |
13c65ce9 | 911 | p = reserve_space(xdr, len); |
1da177e4 LT |
912 | |
913 | /* | |
914 | * We write the bitmap length now, but leave the bitmap and the attribute | |
915 | * buffer length to be backfilled at the end of this routine. | |
916 | */ | |
e75bc1c8 | 917 | *p++ = cpu_to_be32(2); |
1da177e4 LT |
918 | q = p; |
919 | p += 3; | |
920 | ||
921 | if (iap->ia_valid & ATTR_SIZE) { | |
922 | bmval0 |= FATTR4_WORD0_SIZE; | |
b95be5a9 | 923 | p = xdr_encode_hyper(p, iap->ia_size); |
1da177e4 LT |
924 | } |
925 | if (iap->ia_valid & ATTR_MODE) { | |
926 | bmval1 |= FATTR4_WORD1_MODE; | |
e75bc1c8 | 927 | *p++ = cpu_to_be32(iap->ia_mode & S_IALLUGO); |
1da177e4 LT |
928 | } |
929 | if (iap->ia_valid & ATTR_UID) { | |
930 | bmval1 |= FATTR4_WORD1_OWNER; | |
811652bd | 931 | p = xdr_encode_opaque(p, owner_name, owner_namelen); |
1da177e4 LT |
932 | } |
933 | if (iap->ia_valid & ATTR_GID) { | |
934 | bmval1 |= FATTR4_WORD1_OWNER_GROUP; | |
811652bd | 935 | p = xdr_encode_opaque(p, owner_group, owner_grouplen); |
1da177e4 LT |
936 | } |
937 | if (iap->ia_valid & ATTR_ATIME_SET) { | |
938 | bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET; | |
e75bc1c8 BH |
939 | *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); |
940 | *p++ = cpu_to_be32(0); | |
d3f6baaa TM |
941 | *p++ = cpu_to_be32(iap->ia_atime.tv_sec); |
942 | *p++ = cpu_to_be32(iap->ia_atime.tv_nsec); | |
1da177e4 LT |
943 | } |
944 | else if (iap->ia_valid & ATTR_ATIME) { | |
945 | bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET; | |
e75bc1c8 | 946 | *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); |
1da177e4 LT |
947 | } |
948 | if (iap->ia_valid & ATTR_MTIME_SET) { | |
949 | bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET; | |
e75bc1c8 BH |
950 | *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); |
951 | *p++ = cpu_to_be32(0); | |
952 | *p++ = cpu_to_be32(iap->ia_mtime.tv_sec); | |
953 | *p++ = cpu_to_be32(iap->ia_mtime.tv_nsec); | |
1da177e4 LT |
954 | } |
955 | else if (iap->ia_valid & ATTR_MTIME) { | |
956 | bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET; | |
e75bc1c8 | 957 | *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); |
1da177e4 | 958 | } |
6c0195a4 | 959 | |
1da177e4 LT |
960 | /* |
961 | * Now we backfill the bitmap and the attribute buffer length. | |
962 | */ | |
963 | if (len != ((char *)p - (char *)q) + 4) { | |
fe82a183 | 964 | printk(KERN_ERR "nfs: Attr length error, %u != %Zu\n", |
1da177e4 LT |
965 | len, ((char *)p - (char *)q) + 4); |
966 | BUG(); | |
967 | } | |
968 | len = (char *)p - (char *)q - 12; | |
969 | *q++ = htonl(bmval0); | |
970 | *q++ = htonl(bmval1); | |
34558513 | 971 | *q = htonl(len); |
1da177e4 | 972 | |
1da177e4 | 973 | /* out: */ |
1da177e4 LT |
974 | } |
975 | ||
cf8cdbe5 | 976 | static void encode_access(struct xdr_stream *xdr, u32 access, struct compound_hdr *hdr) |
1da177e4 | 977 | { |
8687b63a | 978 | __be32 *p; |
1da177e4 | 979 | |
13c65ce9 | 980 | p = reserve_space(xdr, 8); |
e75bc1c8 | 981 | *p++ = cpu_to_be32(OP_ACCESS); |
34558513 | 982 | *p = cpu_to_be32(access); |
d017931c | 983 | hdr->nops++; |
dadf0c27 | 984 | hdr->replen += decode_access_maxsz; |
1da177e4 LT |
985 | } |
986 | ||
cf8cdbe5 | 987 | static void encode_close(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) |
1da177e4 | 988 | { |
8687b63a | 989 | __be32 *p; |
1da177e4 | 990 | |
13c65ce9 | 991 | p = reserve_space(xdr, 8+NFS4_STATEID_SIZE); |
e75bc1c8 BH |
992 | *p++ = cpu_to_be32(OP_CLOSE); |
993 | *p++ = cpu_to_be32(arg->seqid->sequence->counter); | |
34558513 | 994 | xdr_encode_opaque_fixed(p, arg->stateid->data, NFS4_STATEID_SIZE); |
d017931c | 995 | hdr->nops++; |
dadf0c27 | 996 | hdr->replen += decode_close_maxsz; |
1da177e4 LT |
997 | } |
998 | ||
cf8cdbe5 | 999 | static void encode_commit(struct xdr_stream *xdr, const struct nfs_writeargs *args, struct compound_hdr *hdr) |
1da177e4 | 1000 | { |
8687b63a | 1001 | __be32 *p; |
6c0195a4 | 1002 | |
13c65ce9 | 1003 | p = reserve_space(xdr, 16); |
e75bc1c8 | 1004 | *p++ = cpu_to_be32(OP_COMMIT); |
b95be5a9 | 1005 | p = xdr_encode_hyper(p, args->offset); |
34558513 | 1006 | *p = cpu_to_be32(args->count); |
d017931c | 1007 | hdr->nops++; |
dadf0c27 | 1008 | hdr->replen += decode_commit_maxsz; |
1da177e4 LT |
1009 | } |
1010 | ||
cf8cdbe5 | 1011 | static void encode_create(struct xdr_stream *xdr, const struct nfs4_create_arg *create, struct compound_hdr *hdr) |
1da177e4 | 1012 | { |
8687b63a | 1013 | __be32 *p; |
6c0195a4 | 1014 | |
13c65ce9 | 1015 | p = reserve_space(xdr, 8); |
e75bc1c8 | 1016 | *p++ = cpu_to_be32(OP_CREATE); |
34558513 | 1017 | *p = cpu_to_be32(create->ftype); |
1da177e4 LT |
1018 | |
1019 | switch (create->ftype) { | |
1020 | case NF4LNK: | |
13c65ce9 | 1021 | p = reserve_space(xdr, 4); |
34558513 | 1022 | *p = cpu_to_be32(create->u.symlink.len); |
94a6d753 | 1023 | xdr_write_pages(xdr, create->u.symlink.pages, 0, create->u.symlink.len); |
1da177e4 LT |
1024 | break; |
1025 | ||
1026 | case NF4BLK: case NF4CHR: | |
13c65ce9 | 1027 | p = reserve_space(xdr, 8); |
e75bc1c8 | 1028 | *p++ = cpu_to_be32(create->u.device.specdata1); |
34558513 | 1029 | *p = cpu_to_be32(create->u.device.specdata2); |
1da177e4 LT |
1030 | break; |
1031 | ||
1032 | default: | |
1033 | break; | |
1034 | } | |
1035 | ||
811652bd | 1036 | encode_string(xdr, create->name->len, create->name->name); |
d017931c | 1037 | hdr->nops++; |
dadf0c27 | 1038 | hdr->replen += decode_create_maxsz; |
1da177e4 | 1039 | |
cf8cdbe5 | 1040 | encode_attrs(xdr, create->attrs, create->server); |
1da177e4 LT |
1041 | } |
1042 | ||
cf8cdbe5 | 1043 | static void encode_getattr_one(struct xdr_stream *xdr, uint32_t bitmap, struct compound_hdr *hdr) |
1da177e4 | 1044 | { |
05d564fe | 1045 | __be32 *p; |
1da177e4 | 1046 | |
13c65ce9 | 1047 | p = reserve_space(xdr, 12); |
e75bc1c8 BH |
1048 | *p++ = cpu_to_be32(OP_GETATTR); |
1049 | *p++ = cpu_to_be32(1); | |
34558513 | 1050 | *p = cpu_to_be32(bitmap); |
d017931c | 1051 | hdr->nops++; |
dadf0c27 | 1052 | hdr->replen += decode_getattr_maxsz; |
1da177e4 LT |
1053 | } |
1054 | ||
cf8cdbe5 | 1055 | static void encode_getattr_two(struct xdr_stream *xdr, uint32_t bm0, uint32_t bm1, struct compound_hdr *hdr) |
1da177e4 | 1056 | { |
05d564fe | 1057 | __be32 *p; |
1da177e4 | 1058 | |
13c65ce9 | 1059 | p = reserve_space(xdr, 16); |
e75bc1c8 BH |
1060 | *p++ = cpu_to_be32(OP_GETATTR); |
1061 | *p++ = cpu_to_be32(2); | |
1062 | *p++ = cpu_to_be32(bm0); | |
34558513 | 1063 | *p = cpu_to_be32(bm1); |
d017931c | 1064 | hdr->nops++; |
dadf0c27 | 1065 | hdr->replen += decode_getattr_maxsz; |
1da177e4 LT |
1066 | } |
1067 | ||
cf8cdbe5 | 1068 | static void encode_getfattr(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
1da177e4 | 1069 | { |
cf8cdbe5 AA |
1070 | encode_getattr_two(xdr, bitmask[0] & nfs4_fattr_bitmap[0], |
1071 | bitmask[1] & nfs4_fattr_bitmap[1], hdr); | |
1da177e4 LT |
1072 | } |
1073 | ||
cf8cdbe5 | 1074 | static void encode_fsinfo(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
1da177e4 | 1075 | { |
cf8cdbe5 AA |
1076 | encode_getattr_two(xdr, bitmask[0] & nfs4_fsinfo_bitmap[0], |
1077 | bitmask[1] & nfs4_fsinfo_bitmap[1], hdr); | |
1da177e4 LT |
1078 | } |
1079 | ||
cf8cdbe5 | 1080 | static void encode_fs_locations(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
830b8e33 | 1081 | { |
cf8cdbe5 AA |
1082 | encode_getattr_two(xdr, bitmask[0] & nfs4_fs_locations_bitmap[0], |
1083 | bitmask[1] & nfs4_fs_locations_bitmap[1], hdr); | |
830b8e33 MN |
1084 | } |
1085 | ||
cf8cdbe5 | 1086 | static void encode_getfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1087 | { |
8687b63a | 1088 | __be32 *p; |
1da177e4 | 1089 | |
13c65ce9 | 1090 | p = reserve_space(xdr, 4); |
34558513 | 1091 | *p = cpu_to_be32(OP_GETFH); |
d017931c | 1092 | hdr->nops++; |
dadf0c27 | 1093 | hdr->replen += decode_getfh_maxsz; |
1da177e4 LT |
1094 | } |
1095 | ||
cf8cdbe5 | 1096 | static void encode_link(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1097 | { |
8687b63a | 1098 | __be32 *p; |
1da177e4 | 1099 | |
13c65ce9 | 1100 | p = reserve_space(xdr, 8 + name->len); |
e75bc1c8 | 1101 | *p++ = cpu_to_be32(OP_LINK); |
811652bd | 1102 | xdr_encode_opaque(p, name->name, name->len); |
d017931c | 1103 | hdr->nops++; |
dadf0c27 | 1104 | hdr->replen += decode_link_maxsz; |
1da177e4 LT |
1105 | } |
1106 | ||
911d1aaf TM |
1107 | static inline int nfs4_lock_type(struct file_lock *fl, int block) |
1108 | { | |
1109 | if ((fl->fl_type & (F_RDLCK|F_WRLCK|F_UNLCK)) == F_RDLCK) | |
1110 | return block ? NFS4_READW_LT : NFS4_READ_LT; | |
1111 | return block ? NFS4_WRITEW_LT : NFS4_WRITE_LT; | |
1112 | } | |
1113 | ||
1114 | static inline uint64_t nfs4_lock_length(struct file_lock *fl) | |
1115 | { | |
1116 | if (fl->fl_end == OFFSET_MAX) | |
1117 | return ~(uint64_t)0; | |
1118 | return fl->fl_end - fl->fl_start + 1; | |
1119 | } | |
1120 | ||
daccbded TM |
1121 | static void encode_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner) |
1122 | { | |
1123 | __be32 *p; | |
1124 | ||
d035c36c | 1125 | p = reserve_space(xdr, 32); |
daccbded | 1126 | p = xdr_encode_hyper(p, lowner->clientid); |
d035c36c | 1127 | *p++ = cpu_to_be32(20); |
daccbded | 1128 | p = xdr_encode_opaque_fixed(p, "lock id:", 8); |
d035c36c | 1129 | *p++ = cpu_to_be32(lowner->s_dev); |
daccbded TM |
1130 | xdr_encode_hyper(p, lowner->id); |
1131 | } | |
1132 | ||
1da177e4 LT |
1133 | /* |
1134 | * opcode,type,reclaim,offset,length,new_lock_owner = 32 | |
1135 | * open_seqid,open_stateid,lock_seqid,lock_owner.clientid, lock_owner.id = 40 | |
1136 | */ | |
cf8cdbe5 | 1137 | static void encode_lock(struct xdr_stream *xdr, const struct nfs_lock_args *args, struct compound_hdr *hdr) |
1da177e4 | 1138 | { |
8687b63a | 1139 | __be32 *p; |
1da177e4 | 1140 | |
13c65ce9 | 1141 | p = reserve_space(xdr, 32); |
e75bc1c8 BH |
1142 | *p++ = cpu_to_be32(OP_LOCK); |
1143 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, args->block)); | |
1144 | *p++ = cpu_to_be32(args->reclaim); | |
b95be5a9 BH |
1145 | p = xdr_encode_hyper(p, args->fl->fl_start); |
1146 | p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); | |
34558513 | 1147 | *p = cpu_to_be32(args->new_lock_owner); |
911d1aaf | 1148 | if (args->new_lock_owner){ |
daccbded | 1149 | p = reserve_space(xdr, 4+NFS4_STATEID_SIZE+4); |
e75bc1c8 | 1150 | *p++ = cpu_to_be32(args->open_seqid->sequence->counter); |
93f0cf25 | 1151 | p = xdr_encode_opaque_fixed(p, args->open_stateid->data, NFS4_STATEID_SIZE); |
e75bc1c8 | 1152 | *p++ = cpu_to_be32(args->lock_seqid->sequence->counter); |
daccbded | 1153 | encode_lockowner(xdr, &args->lock_owner); |
1da177e4 LT |
1154 | } |
1155 | else { | |
13c65ce9 | 1156 | p = reserve_space(xdr, NFS4_STATEID_SIZE+4); |
93f0cf25 | 1157 | p = xdr_encode_opaque_fixed(p, args->lock_stateid->data, NFS4_STATEID_SIZE); |
34558513 | 1158 | *p = cpu_to_be32(args->lock_seqid->sequence->counter); |
1da177e4 | 1159 | } |
d017931c | 1160 | hdr->nops++; |
dadf0c27 | 1161 | hdr->replen += decode_lock_maxsz; |
1da177e4 LT |
1162 | } |
1163 | ||
cf8cdbe5 | 1164 | static void encode_lockt(struct xdr_stream *xdr, const struct nfs_lockt_args *args, struct compound_hdr *hdr) |
1da177e4 | 1165 | { |
8687b63a | 1166 | __be32 *p; |
1da177e4 | 1167 | |
daccbded | 1168 | p = reserve_space(xdr, 24); |
e75bc1c8 BH |
1169 | *p++ = cpu_to_be32(OP_LOCKT); |
1170 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, 0)); | |
b95be5a9 BH |
1171 | p = xdr_encode_hyper(p, args->fl->fl_start); |
1172 | p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); | |
daccbded | 1173 | encode_lockowner(xdr, &args->lock_owner); |
d017931c | 1174 | hdr->nops++; |
dadf0c27 | 1175 | hdr->replen += decode_lockt_maxsz; |
1da177e4 LT |
1176 | } |
1177 | ||
cf8cdbe5 | 1178 | static void encode_locku(struct xdr_stream *xdr, const struct nfs_locku_args *args, struct compound_hdr *hdr) |
1da177e4 | 1179 | { |
8687b63a | 1180 | __be32 *p; |
1da177e4 | 1181 | |
13c65ce9 | 1182 | p = reserve_space(xdr, 12+NFS4_STATEID_SIZE+16); |
e75bc1c8 BH |
1183 | *p++ = cpu_to_be32(OP_LOCKU); |
1184 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, 0)); | |
1185 | *p++ = cpu_to_be32(args->seqid->sequence->counter); | |
93f0cf25 | 1186 | p = xdr_encode_opaque_fixed(p, args->stateid->data, NFS4_STATEID_SIZE); |
b95be5a9 | 1187 | p = xdr_encode_hyper(p, args->fl->fl_start); |
34558513 | 1188 | xdr_encode_hyper(p, nfs4_lock_length(args->fl)); |
d017931c | 1189 | hdr->nops++; |
dadf0c27 | 1190 | hdr->replen += decode_locku_maxsz; |
1da177e4 LT |
1191 | } |
1192 | ||
d3c7b7cc TM |
1193 | static void encode_release_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner, struct compound_hdr *hdr) |
1194 | { | |
1195 | __be32 *p; | |
1196 | ||
1197 | p = reserve_space(xdr, 4); | |
1198 | *p = cpu_to_be32(OP_RELEASE_LOCKOWNER); | |
1199 | encode_lockowner(xdr, lowner); | |
1200 | hdr->nops++; | |
1201 | hdr->replen += decode_release_lockowner_maxsz; | |
1202 | } | |
1203 | ||
cf8cdbe5 | 1204 | static void encode_lookup(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 LT |
1205 | { |
1206 | int len = name->len; | |
8687b63a | 1207 | __be32 *p; |
1da177e4 | 1208 | |
13c65ce9 | 1209 | p = reserve_space(xdr, 8 + len); |
e75bc1c8 | 1210 | *p++ = cpu_to_be32(OP_LOOKUP); |
811652bd | 1211 | xdr_encode_opaque(p, name->name, len); |
d017931c | 1212 | hdr->nops++; |
dadf0c27 | 1213 | hdr->replen += decode_lookup_maxsz; |
1da177e4 LT |
1214 | } |
1215 | ||
dc0b027d | 1216 | static void encode_share_access(struct xdr_stream *xdr, fmode_t fmode) |
1da177e4 | 1217 | { |
8687b63a | 1218 | __be32 *p; |
1da177e4 | 1219 | |
13c65ce9 | 1220 | p = reserve_space(xdr, 8); |
dc0b027d | 1221 | switch (fmode & (FMODE_READ|FMODE_WRITE)) { |
05d564fe | 1222 | case FMODE_READ: |
e75bc1c8 | 1223 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_READ); |
05d564fe AA |
1224 | break; |
1225 | case FMODE_WRITE: | |
e75bc1c8 | 1226 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_WRITE); |
05d564fe AA |
1227 | break; |
1228 | case FMODE_READ|FMODE_WRITE: | |
e75bc1c8 | 1229 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_BOTH); |
05d564fe AA |
1230 | break; |
1231 | default: | |
e75bc1c8 | 1232 | *p++ = cpu_to_be32(0); |
1da177e4 | 1233 | } |
34558513 | 1234 | *p = cpu_to_be32(0); /* for linux, share_deny = 0 always */ |
1da177e4 LT |
1235 | } |
1236 | ||
1237 | static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1238 | { | |
8687b63a | 1239 | __be32 *p; |
1da177e4 LT |
1240 | /* |
1241 | * opcode 4, seqid 4, share_access 4, share_deny 4, clientid 8, ownerlen 4, | |
1242 | * owner 4 = 32 | |
1243 | */ | |
13c65ce9 | 1244 | p = reserve_space(xdr, 8); |
e75bc1c8 | 1245 | *p++ = cpu_to_be32(OP_OPEN); |
34558513 | 1246 | *p = cpu_to_be32(arg->seqid->sequence->counter); |
dc0b027d | 1247 | encode_share_access(xdr, arg->fmode); |
d035c36c | 1248 | p = reserve_space(xdr, 32); |
b95be5a9 | 1249 | p = xdr_encode_hyper(p, arg->clientid); |
d035c36c | 1250 | *p++ = cpu_to_be32(20); |
93f0cf25 | 1251 | p = xdr_encode_opaque_fixed(p, "open id:", 8); |
d035c36c | 1252 | *p++ = cpu_to_be32(arg->server->s_dev); |
34558513 | 1253 | xdr_encode_hyper(p, arg->id); |
1da177e4 LT |
1254 | } |
1255 | ||
1256 | static inline void encode_createmode(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1257 | { | |
8687b63a | 1258 | __be32 *p; |
4882ef72 | 1259 | struct nfs_client *clp; |
1da177e4 | 1260 | |
13c65ce9 | 1261 | p = reserve_space(xdr, 4); |
1da177e4 | 1262 | switch(arg->open_flags & O_EXCL) { |
05d564fe | 1263 | case 0: |
34558513 | 1264 | *p = cpu_to_be32(NFS4_CREATE_UNCHECKED); |
05d564fe AA |
1265 | encode_attrs(xdr, arg->u.attrs, arg->server); |
1266 | break; | |
1267 | default: | |
4882ef72 | 1268 | clp = arg->server->nfs_client; |
a4432345 | 1269 | if (clp->cl_mvops->minor_version > 0) { |
4882ef72 AB |
1270 | if (nfs4_has_persistent_session(clp)) { |
1271 | *p = cpu_to_be32(NFS4_CREATE_GUARDED); | |
1272 | encode_attrs(xdr, arg->u.attrs, arg->server); | |
1273 | } else { | |
1274 | struct iattr dummy; | |
1275 | ||
1276 | *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE4_1); | |
1277 | encode_nfs4_verifier(xdr, &arg->u.verifier); | |
1278 | dummy.ia_valid = 0; | |
1279 | encode_attrs(xdr, &dummy, arg->server); | |
1280 | } | |
1281 | } else { | |
1282 | *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE); | |
1283 | encode_nfs4_verifier(xdr, &arg->u.verifier); | |
1284 | } | |
1da177e4 LT |
1285 | } |
1286 | } | |
1287 | ||
1288 | static void encode_opentype(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1289 | { | |
8687b63a | 1290 | __be32 *p; |
1da177e4 | 1291 | |
13c65ce9 | 1292 | p = reserve_space(xdr, 4); |
1da177e4 | 1293 | switch (arg->open_flags & O_CREAT) { |
05d564fe | 1294 | case 0: |
34558513 | 1295 | *p = cpu_to_be32(NFS4_OPEN_NOCREATE); |
05d564fe AA |
1296 | break; |
1297 | default: | |
1298 | BUG_ON(arg->claim != NFS4_OPEN_CLAIM_NULL); | |
34558513 | 1299 | *p = cpu_to_be32(NFS4_OPEN_CREATE); |
05d564fe | 1300 | encode_createmode(xdr, arg); |
1da177e4 LT |
1301 | } |
1302 | } | |
1303 | ||
bd7bf9d5 | 1304 | static inline void encode_delegation_type(struct xdr_stream *xdr, fmode_t delegation_type) |
1da177e4 | 1305 | { |
8687b63a | 1306 | __be32 *p; |
1da177e4 | 1307 | |
13c65ce9 | 1308 | p = reserve_space(xdr, 4); |
1da177e4 | 1309 | switch (delegation_type) { |
05d564fe | 1310 | case 0: |
34558513 | 1311 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_NONE); |
05d564fe AA |
1312 | break; |
1313 | case FMODE_READ: | |
34558513 | 1314 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_READ); |
05d564fe AA |
1315 | break; |
1316 | case FMODE_WRITE|FMODE_READ: | |
34558513 | 1317 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_WRITE); |
05d564fe AA |
1318 | break; |
1319 | default: | |
1320 | BUG(); | |
1da177e4 LT |
1321 | } |
1322 | } | |
1323 | ||
1324 | static inline void encode_claim_null(struct xdr_stream *xdr, const struct qstr *name) | |
1325 | { | |
8687b63a | 1326 | __be32 *p; |
1da177e4 | 1327 | |
13c65ce9 | 1328 | p = reserve_space(xdr, 4); |
34558513 | 1329 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_NULL); |
1da177e4 LT |
1330 | encode_string(xdr, name->len, name->name); |
1331 | } | |
1332 | ||
bd7bf9d5 | 1333 | static inline void encode_claim_previous(struct xdr_stream *xdr, fmode_t type) |
1da177e4 | 1334 | { |
8687b63a | 1335 | __be32 *p; |
1da177e4 | 1336 | |
13c65ce9 | 1337 | p = reserve_space(xdr, 4); |
34558513 | 1338 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_PREVIOUS); |
1da177e4 LT |
1339 | encode_delegation_type(xdr, type); |
1340 | } | |
1341 | ||
1342 | static inline void encode_claim_delegate_cur(struct xdr_stream *xdr, const struct qstr *name, const nfs4_stateid *stateid) | |
1343 | { | |
8687b63a | 1344 | __be32 *p; |
1da177e4 | 1345 | |
13c65ce9 | 1346 | p = reserve_space(xdr, 4+NFS4_STATEID_SIZE); |
e75bc1c8 | 1347 | *p++ = cpu_to_be32(NFS4_OPEN_CLAIM_DELEGATE_CUR); |
34558513 | 1348 | xdr_encode_opaque_fixed(p, stateid->data, NFS4_STATEID_SIZE); |
1da177e4 LT |
1349 | encode_string(xdr, name->len, name->name); |
1350 | } | |
1351 | ||
cf8cdbe5 | 1352 | static void encode_open(struct xdr_stream *xdr, const struct nfs_openargs *arg, struct compound_hdr *hdr) |
1da177e4 LT |
1353 | { |
1354 | encode_openhdr(xdr, arg); | |
1355 | encode_opentype(xdr, arg); | |
1356 | switch (arg->claim) { | |
05d564fe AA |
1357 | case NFS4_OPEN_CLAIM_NULL: |
1358 | encode_claim_null(xdr, arg->name); | |
1359 | break; | |
1360 | case NFS4_OPEN_CLAIM_PREVIOUS: | |
1361 | encode_claim_previous(xdr, arg->u.delegation_type); | |
1362 | break; | |
1363 | case NFS4_OPEN_CLAIM_DELEGATE_CUR: | |
1364 | encode_claim_delegate_cur(xdr, arg->name, &arg->u.delegation); | |
1365 | break; | |
1366 | default: | |
1367 | BUG(); | |
1da177e4 | 1368 | } |
d017931c | 1369 | hdr->nops++; |
dadf0c27 | 1370 | hdr->replen += decode_open_maxsz; |
1da177e4 LT |
1371 | } |
1372 | ||
cf8cdbe5 | 1373 | static void encode_open_confirm(struct xdr_stream *xdr, const struct nfs_open_confirmargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1374 | { |
8687b63a | 1375 | __be32 *p; |
1da177e4 | 1376 | |
13c65ce9 | 1377 | p = reserve_space(xdr, 4+NFS4_STATEID_SIZE+4); |
e75bc1c8 | 1378 | *p++ = cpu_to_be32(OP_OPEN_CONFIRM); |
93f0cf25 | 1379 | p = xdr_encode_opaque_fixed(p, arg->stateid->data, NFS4_STATEID_SIZE); |
34558513 | 1380 | *p = cpu_to_be32(arg->seqid->sequence->counter); |
d017931c | 1381 | hdr->nops++; |
dadf0c27 | 1382 | hdr->replen += decode_open_confirm_maxsz; |
1da177e4 LT |
1383 | } |
1384 | ||
cf8cdbe5 | 1385 | static void encode_open_downgrade(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1386 | { |
8687b63a | 1387 | __be32 *p; |
1da177e4 | 1388 | |
13c65ce9 | 1389 | p = reserve_space(xdr, 4+NFS4_STATEID_SIZE+4); |
e75bc1c8 | 1390 | *p++ = cpu_to_be32(OP_OPEN_DOWNGRADE); |
93f0cf25 | 1391 | p = xdr_encode_opaque_fixed(p, arg->stateid->data, NFS4_STATEID_SIZE); |
34558513 | 1392 | *p = cpu_to_be32(arg->seqid->sequence->counter); |
dc0b027d | 1393 | encode_share_access(xdr, arg->fmode); |
d017931c | 1394 | hdr->nops++; |
dadf0c27 | 1395 | hdr->replen += decode_open_downgrade_maxsz; |
1da177e4 LT |
1396 | } |
1397 | ||
cf8cdbe5 | 1398 | static void |
d017931c | 1399 | encode_putfh(struct xdr_stream *xdr, const struct nfs_fh *fh, struct compound_hdr *hdr) |
1da177e4 LT |
1400 | { |
1401 | int len = fh->size; | |
8687b63a | 1402 | __be32 *p; |
1da177e4 | 1403 | |
13c65ce9 | 1404 | p = reserve_space(xdr, 8 + len); |
e75bc1c8 | 1405 | *p++ = cpu_to_be32(OP_PUTFH); |
811652bd | 1406 | xdr_encode_opaque(p, fh->data, len); |
d017931c | 1407 | hdr->nops++; |
dadf0c27 | 1408 | hdr->replen += decode_putfh_maxsz; |
1da177e4 LT |
1409 | } |
1410 | ||
cf8cdbe5 | 1411 | static void encode_putrootfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1412 | { |
05d564fe | 1413 | __be32 *p; |
6c0195a4 | 1414 | |
13c65ce9 | 1415 | p = reserve_space(xdr, 4); |
34558513 | 1416 | *p = cpu_to_be32(OP_PUTROOTFH); |
d017931c | 1417 | hdr->nops++; |
dadf0c27 | 1418 | hdr->replen += decode_putrootfh_maxsz; |
1da177e4 LT |
1419 | } |
1420 | ||
89d1ea65 | 1421 | static void encode_stateid(struct xdr_stream *xdr, const struct nfs_open_context *ctx, const struct nfs_lock_context *l_ctx, int zero_seqid) |
1da177e4 | 1422 | { |
1da177e4 | 1423 | nfs4_stateid stateid; |
8687b63a | 1424 | __be32 *p; |
1da177e4 | 1425 | |
13c65ce9 | 1426 | p = reserve_space(xdr, NFS4_STATEID_SIZE); |
1da177e4 | 1427 | if (ctx->state != NULL) { |
77041ed9 | 1428 | nfs4_copy_stateid(&stateid, ctx->state, l_ctx->lockowner, l_ctx->pid); |
89d1ea65 AA |
1429 | if (zero_seqid) |
1430 | stateid.stateid.seqid = 0; | |
34558513 | 1431 | xdr_encode_opaque_fixed(p, stateid.data, NFS4_STATEID_SIZE); |
1da177e4 | 1432 | } else |
34558513 | 1433 | xdr_encode_opaque_fixed(p, zero_stateid.data, NFS4_STATEID_SIZE); |
1da177e4 LT |
1434 | } |
1435 | ||
cf8cdbe5 | 1436 | static void encode_read(struct xdr_stream *xdr, const struct nfs_readargs *args, struct compound_hdr *hdr) |
1da177e4 | 1437 | { |
8687b63a | 1438 | __be32 *p; |
1da177e4 | 1439 | |
13c65ce9 | 1440 | p = reserve_space(xdr, 4); |
34558513 | 1441 | *p = cpu_to_be32(OP_READ); |
1da177e4 | 1442 | |
89d1ea65 AA |
1443 | encode_stateid(xdr, args->context, args->lock_context, |
1444 | hdr->minorversion); | |
1da177e4 | 1445 | |
13c65ce9 | 1446 | p = reserve_space(xdr, 12); |
b95be5a9 | 1447 | p = xdr_encode_hyper(p, args->offset); |
34558513 | 1448 | *p = cpu_to_be32(args->count); |
d017931c | 1449 | hdr->nops++; |
dadf0c27 | 1450 | hdr->replen += decode_read_maxsz; |
1da177e4 LT |
1451 | } |
1452 | ||
cf8cdbe5 | 1453 | static void encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg *readdir, struct rpc_rqst *req, struct compound_hdr *hdr) |
1da177e4 | 1454 | { |
28331a46 TM |
1455 | uint32_t attrs[2] = { |
1456 | FATTR4_WORD0_RDATTR_ERROR, | |
1457 | FATTR4_WORD1_MOUNTED_ON_FILEID, | |
1458 | }; | |
6f7a35bd | 1459 | uint32_t dircount = readdir->count >> 1; |
8687b63a | 1460 | __be32 *p; |
1da177e4 | 1461 | |
82f2e547 BS |
1462 | if (readdir->plus) { |
1463 | attrs[0] |= FATTR4_WORD0_TYPE|FATTR4_WORD0_CHANGE|FATTR4_WORD0_SIZE| | |
28331a46 | 1464 | FATTR4_WORD0_FSID|FATTR4_WORD0_FILEHANDLE|FATTR4_WORD0_FILEID; |
82f2e547 BS |
1465 | attrs[1] |= FATTR4_WORD1_MODE|FATTR4_WORD1_NUMLINKS|FATTR4_WORD1_OWNER| |
1466 | FATTR4_WORD1_OWNER_GROUP|FATTR4_WORD1_RAWDEV| | |
1467 | FATTR4_WORD1_SPACE_USED|FATTR4_WORD1_TIME_ACCESS| | |
1468 | FATTR4_WORD1_TIME_METADATA|FATTR4_WORD1_TIME_MODIFY; | |
6f7a35bd | 1469 | dircount >>= 1; |
82f2e547 | 1470 | } |
28331a46 TM |
1471 | /* Use mounted_on_fileid only if the server supports it */ |
1472 | if (!(readdir->bitmask[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) | |
1473 | attrs[0] |= FATTR4_WORD0_FILEID; | |
82f2e547 | 1474 | |
13c65ce9 | 1475 | p = reserve_space(xdr, 12+NFS4_VERIFIER_SIZE+20); |
e75bc1c8 | 1476 | *p++ = cpu_to_be32(OP_READDIR); |
b95be5a9 | 1477 | p = xdr_encode_hyper(p, readdir->cookie); |
93f0cf25 | 1478 | p = xdr_encode_opaque_fixed(p, readdir->verifier.data, NFS4_VERIFIER_SIZE); |
6f7a35bd | 1479 | *p++ = cpu_to_be32(dircount); |
e75bc1c8 BH |
1480 | *p++ = cpu_to_be32(readdir->count); |
1481 | *p++ = cpu_to_be32(2); | |
82f2e547 | 1482 | |
e75bc1c8 | 1483 | *p++ = cpu_to_be32(attrs[0] & readdir->bitmask[0]); |
34558513 | 1484 | *p = cpu_to_be32(attrs[1] & readdir->bitmask[1]); |
d017931c | 1485 | hdr->nops++; |
dadf0c27 | 1486 | hdr->replen += decode_readdir_maxsz; |
44109241 FI |
1487 | dprintk("%s: cookie = %Lu, verifier = %08x:%08x, bitmap = %08x:%08x\n", |
1488 | __func__, | |
eadf4598 TM |
1489 | (unsigned long long)readdir->cookie, |
1490 | ((u32 *)readdir->verifier.data)[0], | |
1491 | ((u32 *)readdir->verifier.data)[1], | |
1492 | attrs[0] & readdir->bitmask[0], | |
1493 | attrs[1] & readdir->bitmask[1]); | |
1da177e4 LT |
1494 | } |
1495 | ||
cf8cdbe5 | 1496 | static void encode_readlink(struct xdr_stream *xdr, const struct nfs4_readlink *readlink, struct rpc_rqst *req, struct compound_hdr *hdr) |
1da177e4 | 1497 | { |
8687b63a | 1498 | __be32 *p; |
1da177e4 | 1499 | |
13c65ce9 | 1500 | p = reserve_space(xdr, 4); |
34558513 | 1501 | *p = cpu_to_be32(OP_READLINK); |
d017931c | 1502 | hdr->nops++; |
dadf0c27 | 1503 | hdr->replen += decode_readlink_maxsz; |
1da177e4 LT |
1504 | } |
1505 | ||
cf8cdbe5 | 1506 | static void encode_remove(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1507 | { |
8687b63a | 1508 | __be32 *p; |
1da177e4 | 1509 | |
13c65ce9 | 1510 | p = reserve_space(xdr, 8 + name->len); |
e75bc1c8 | 1511 | *p++ = cpu_to_be32(OP_REMOVE); |
811652bd | 1512 | xdr_encode_opaque(p, name->name, name->len); |
d017931c | 1513 | hdr->nops++; |
dadf0c27 | 1514 | hdr->replen += decode_remove_maxsz; |
1da177e4 LT |
1515 | } |
1516 | ||
cf8cdbe5 | 1517 | static void encode_rename(struct xdr_stream *xdr, const struct qstr *oldname, const struct qstr *newname, struct compound_hdr *hdr) |
1da177e4 | 1518 | { |
8687b63a | 1519 | __be32 *p; |
1da177e4 | 1520 | |
811652bd BH |
1521 | p = reserve_space(xdr, 4); |
1522 | *p = cpu_to_be32(OP_RENAME); | |
1523 | encode_string(xdr, oldname->len, oldname->name); | |
1524 | encode_string(xdr, newname->len, newname->name); | |
d017931c | 1525 | hdr->nops++; |
dadf0c27 | 1526 | hdr->replen += decode_rename_maxsz; |
1da177e4 LT |
1527 | } |
1528 | ||
cf8cdbe5 | 1529 | static void encode_renew(struct xdr_stream *xdr, const struct nfs_client *client_stateid, struct compound_hdr *hdr) |
1da177e4 | 1530 | { |
8687b63a | 1531 | __be32 *p; |
1da177e4 | 1532 | |
13c65ce9 | 1533 | p = reserve_space(xdr, 12); |
e75bc1c8 | 1534 | *p++ = cpu_to_be32(OP_RENEW); |
34558513 | 1535 | xdr_encode_hyper(p, client_stateid->cl_clientid); |
d017931c | 1536 | hdr->nops++; |
dadf0c27 | 1537 | hdr->replen += decode_renew_maxsz; |
1da177e4 LT |
1538 | } |
1539 | ||
cf8cdbe5 | 1540 | static void |
d017931c | 1541 | encode_restorefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
56ae19f3 | 1542 | { |
8687b63a | 1543 | __be32 *p; |
56ae19f3 | 1544 | |
13c65ce9 | 1545 | p = reserve_space(xdr, 4); |
34558513 | 1546 | *p = cpu_to_be32(OP_RESTOREFH); |
d017931c | 1547 | hdr->nops++; |
dadf0c27 | 1548 | hdr->replen += decode_restorefh_maxsz; |
56ae19f3 TM |
1549 | } |
1550 | ||
9f06c719 | 1551 | static void |
d017931c | 1552 | encode_setacl(struct xdr_stream *xdr, struct nfs_setaclargs *arg, struct compound_hdr *hdr) |
23ec6965 | 1553 | { |
8687b63a | 1554 | __be32 *p; |
23ec6965 | 1555 | |
13c65ce9 | 1556 | p = reserve_space(xdr, 4+NFS4_STATEID_SIZE); |
e75bc1c8 | 1557 | *p++ = cpu_to_be32(OP_SETATTR); |
34558513 | 1558 | xdr_encode_opaque_fixed(p, zero_stateid.data, NFS4_STATEID_SIZE); |
13c65ce9 | 1559 | p = reserve_space(xdr, 2*4); |
e75bc1c8 | 1560 | *p++ = cpu_to_be32(1); |
34558513 | 1561 | *p = cpu_to_be32(FATTR4_WORD0_ACL); |
9f06c719 | 1562 | BUG_ON(arg->acl_len % 4); |
13c65ce9 | 1563 | p = reserve_space(xdr, 4); |
34558513 | 1564 | *p = cpu_to_be32(arg->acl_len); |
23ec6965 | 1565 | xdr_write_pages(xdr, arg->acl_pages, arg->acl_pgbase, arg->acl_len); |
d017931c | 1566 | hdr->nops++; |
dadf0c27 | 1567 | hdr->replen += decode_setacl_maxsz; |
23ec6965 BF |
1568 | } |
1569 | ||
cf8cdbe5 | 1570 | static void |
d017931c | 1571 | encode_savefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1572 | { |
8687b63a | 1573 | __be32 *p; |
1da177e4 | 1574 | |
13c65ce9 | 1575 | p = reserve_space(xdr, 4); |
34558513 | 1576 | *p = cpu_to_be32(OP_SAVEFH); |
d017931c | 1577 | hdr->nops++; |
dadf0c27 | 1578 | hdr->replen += decode_savefh_maxsz; |
1da177e4 LT |
1579 | } |
1580 | ||
cf8cdbe5 | 1581 | static void encode_setattr(struct xdr_stream *xdr, const struct nfs_setattrargs *arg, const struct nfs_server *server, struct compound_hdr *hdr) |
1da177e4 | 1582 | { |
8687b63a | 1583 | __be32 *p; |
6c0195a4 | 1584 | |
13c65ce9 | 1585 | p = reserve_space(xdr, 4+NFS4_STATEID_SIZE); |
e75bc1c8 | 1586 | *p++ = cpu_to_be32(OP_SETATTR); |
34558513 | 1587 | xdr_encode_opaque_fixed(p, arg->stateid.data, NFS4_STATEID_SIZE); |
d017931c | 1588 | hdr->nops++; |
dadf0c27 | 1589 | hdr->replen += decode_setattr_maxsz; |
cf8cdbe5 | 1590 | encode_attrs(xdr, arg->iap, server); |
1da177e4 LT |
1591 | } |
1592 | ||
cf8cdbe5 | 1593 | static void encode_setclientid(struct xdr_stream *xdr, const struct nfs4_setclientid *setclientid, struct compound_hdr *hdr) |
1da177e4 | 1594 | { |
8687b63a | 1595 | __be32 *p; |
1da177e4 | 1596 | |
13c65ce9 | 1597 | p = reserve_space(xdr, 4 + NFS4_VERIFIER_SIZE); |
e75bc1c8 | 1598 | *p++ = cpu_to_be32(OP_SETCLIENTID); |
34558513 | 1599 | xdr_encode_opaque_fixed(p, setclientid->sc_verifier->data, NFS4_VERIFIER_SIZE); |
1da177e4 LT |
1600 | |
1601 | encode_string(xdr, setclientid->sc_name_len, setclientid->sc_name); | |
13c65ce9 | 1602 | p = reserve_space(xdr, 4); |
34558513 | 1603 | *p = cpu_to_be32(setclientid->sc_prog); |
1da177e4 LT |
1604 | encode_string(xdr, setclientid->sc_netid_len, setclientid->sc_netid); |
1605 | encode_string(xdr, setclientid->sc_uaddr_len, setclientid->sc_uaddr); | |
13c65ce9 | 1606 | p = reserve_space(xdr, 4); |
34558513 | 1607 | *p = cpu_to_be32(setclientid->sc_cb_ident); |
d017931c | 1608 | hdr->nops++; |
dadf0c27 | 1609 | hdr->replen += decode_setclientid_maxsz; |
1da177e4 LT |
1610 | } |
1611 | ||
bb8b27e5 | 1612 | static void encode_setclientid_confirm(struct xdr_stream *xdr, const struct nfs4_setclientid_res *arg, struct compound_hdr *hdr) |
1da177e4 | 1613 | { |
05d564fe | 1614 | __be32 *p; |
1da177e4 | 1615 | |
13c65ce9 | 1616 | p = reserve_space(xdr, 12 + NFS4_VERIFIER_SIZE); |
e75bc1c8 | 1617 | *p++ = cpu_to_be32(OP_SETCLIENTID_CONFIRM); |
bb8b27e5 TM |
1618 | p = xdr_encode_hyper(p, arg->clientid); |
1619 | xdr_encode_opaque_fixed(p, arg->confirm.data, NFS4_VERIFIER_SIZE); | |
d017931c | 1620 | hdr->nops++; |
dadf0c27 | 1621 | hdr->replen += decode_setclientid_confirm_maxsz; |
1da177e4 LT |
1622 | } |
1623 | ||
cf8cdbe5 | 1624 | static void encode_write(struct xdr_stream *xdr, const struct nfs_writeargs *args, struct compound_hdr *hdr) |
1da177e4 | 1625 | { |
8687b63a | 1626 | __be32 *p; |
1da177e4 | 1627 | |
13c65ce9 | 1628 | p = reserve_space(xdr, 4); |
34558513 | 1629 | *p = cpu_to_be32(OP_WRITE); |
1da177e4 | 1630 | |
89d1ea65 AA |
1631 | encode_stateid(xdr, args->context, args->lock_context, |
1632 | hdr->minorversion); | |
1da177e4 | 1633 | |
13c65ce9 | 1634 | p = reserve_space(xdr, 16); |
b95be5a9 | 1635 | p = xdr_encode_hyper(p, args->offset); |
e75bc1c8 | 1636 | *p++ = cpu_to_be32(args->stable); |
34558513 | 1637 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1638 | |
1639 | xdr_write_pages(xdr, args->pages, args->pgbase, args->count); | |
d017931c | 1640 | hdr->nops++; |
dadf0c27 | 1641 | hdr->replen += decode_write_maxsz; |
1da177e4 LT |
1642 | } |
1643 | ||
cf8cdbe5 | 1644 | static void encode_delegreturn(struct xdr_stream *xdr, const nfs4_stateid *stateid, struct compound_hdr *hdr) |
1da177e4 | 1645 | { |
8687b63a | 1646 | __be32 *p; |
1da177e4 | 1647 | |
13c65ce9 | 1648 | p = reserve_space(xdr, 4+NFS4_STATEID_SIZE); |
1da177e4 | 1649 | |
e75bc1c8 | 1650 | *p++ = cpu_to_be32(OP_DELEGRETURN); |
34558513 | 1651 | xdr_encode_opaque_fixed(p, stateid->data, NFS4_STATEID_SIZE); |
d017931c | 1652 | hdr->nops++; |
dadf0c27 | 1653 | hdr->replen += decode_delegreturn_maxsz; |
1da177e4 | 1654 | } |
9b7b9fcc | 1655 | |
5a5ea0d4 BS |
1656 | static void encode_secinfo(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1657 | { | |
1658 | int len = name->len; | |
1659 | __be32 *p; | |
1660 | ||
1661 | p = reserve_space(xdr, 8 + len); | |
1662 | *p++ = cpu_to_be32(OP_SECINFO); | |
1663 | xdr_encode_opaque(p, name->name, len); | |
1664 | hdr->nops++; | |
1665 | hdr->replen += decode_secinfo_maxsz; | |
1666 | } | |
1667 | ||
99fe60d0 | 1668 | #if defined(CONFIG_NFS_V4_1) |
9b7b9fcc | 1669 | /* NFSv4.1 operations */ |
99fe60d0 BH |
1670 | static void encode_exchange_id(struct xdr_stream *xdr, |
1671 | struct nfs41_exchange_id_args *args, | |
1672 | struct compound_hdr *hdr) | |
1673 | { | |
1674 | __be32 *p; | |
1675 | ||
13c65ce9 | 1676 | p = reserve_space(xdr, 4 + sizeof(args->verifier->data)); |
e75bc1c8 | 1677 | *p++ = cpu_to_be32(OP_EXCHANGE_ID); |
34558513 | 1678 | xdr_encode_opaque_fixed(p, args->verifier->data, sizeof(args->verifier->data)); |
99fe60d0 BH |
1679 | |
1680 | encode_string(xdr, args->id_len, args->id); | |
1681 | ||
13c65ce9 | 1682 | p = reserve_space(xdr, 12); |
e75bc1c8 BH |
1683 | *p++ = cpu_to_be32(args->flags); |
1684 | *p++ = cpu_to_be32(0); /* zero length state_protect4_a */ | |
34558513 | 1685 | *p = cpu_to_be32(0); /* zero length implementation id array */ |
99fe60d0 BH |
1686 | hdr->nops++; |
1687 | hdr->replen += decode_exchange_id_maxsz; | |
1688 | } | |
fc931582 AA |
1689 | |
1690 | static void encode_create_session(struct xdr_stream *xdr, | |
1691 | struct nfs41_create_session_args *args, | |
1692 | struct compound_hdr *hdr) | |
1693 | { | |
1694 | __be32 *p; | |
1695 | char machine_name[NFS4_MAX_MACHINE_NAME_LEN]; | |
1696 | uint32_t len; | |
1697 | struct nfs_client *clp = args->client; | |
8e0d46e1 MS |
1698 | u32 max_resp_sz_cached; |
1699 | ||
1700 | /* | |
1701 | * Assumes OPEN is the biggest non-idempotent compound. | |
1702 | * 2 is the verifier. | |
1703 | */ | |
1704 | max_resp_sz_cached = (NFS4_dec_open_sz + RPC_REPHDRSIZE + | |
1705 | RPC_MAX_AUTH_SIZE + 2) * XDR_UNIT; | |
fc931582 | 1706 | |
42edd698 BH |
1707 | len = scnprintf(machine_name, sizeof(machine_name), "%s", |
1708 | clp->cl_ipaddr); | |
fc931582 | 1709 | |
13c65ce9 | 1710 | p = reserve_space(xdr, 20 + 2*28 + 20 + len + 12); |
42edd698 | 1711 | *p++ = cpu_to_be32(OP_CREATE_SESSION); |
114f64b5 | 1712 | p = xdr_encode_hyper(p, clp->cl_clientid); |
e75bc1c8 BH |
1713 | *p++ = cpu_to_be32(clp->cl_seqid); /*Sequence id */ |
1714 | *p++ = cpu_to_be32(args->flags); /*flags */ | |
fc931582 | 1715 | |
fc931582 | 1716 | /* Fore Channel */ |
e75bc1c8 BH |
1717 | *p++ = cpu_to_be32(args->fc_attrs.headerpadsz); /* header padding size */ |
1718 | *p++ = cpu_to_be32(args->fc_attrs.max_rqst_sz); /* max req size */ | |
1719 | *p++ = cpu_to_be32(args->fc_attrs.max_resp_sz); /* max resp size */ | |
8e0d46e1 | 1720 | *p++ = cpu_to_be32(max_resp_sz_cached); /* Max resp sz cached */ |
e75bc1c8 BH |
1721 | *p++ = cpu_to_be32(args->fc_attrs.max_ops); /* max operations */ |
1722 | *p++ = cpu_to_be32(args->fc_attrs.max_reqs); /* max requests */ | |
1723 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ | |
fc931582 AA |
1724 | |
1725 | /* Back Channel */ | |
e75bc1c8 BH |
1726 | *p++ = cpu_to_be32(args->fc_attrs.headerpadsz); /* header padding size */ |
1727 | *p++ = cpu_to_be32(args->bc_attrs.max_rqst_sz); /* max req size */ | |
1728 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz); /* max resp size */ | |
1729 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz_cached); /* Max resp sz cached */ | |
1730 | *p++ = cpu_to_be32(args->bc_attrs.max_ops); /* max operations */ | |
1731 | *p++ = cpu_to_be32(args->bc_attrs.max_reqs); /* max requests */ | |
1732 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ | |
fc931582 | 1733 | |
e75bc1c8 | 1734 | *p++ = cpu_to_be32(args->cb_program); /* cb_program */ |
e75bc1c8 | 1735 | *p++ = cpu_to_be32(1); |
e75bc1c8 | 1736 | *p++ = cpu_to_be32(RPC_AUTH_UNIX); /* auth_sys */ |
fc931582 AA |
1737 | |
1738 | /* authsys_parms rfc1831 */ | |
e75bc1c8 | 1739 | *p++ = cpu_to_be32((u32)clp->cl_boot_time.tv_nsec); /* stamp */ |
811652bd | 1740 | p = xdr_encode_opaque(p, machine_name, len); |
e75bc1c8 BH |
1741 | *p++ = cpu_to_be32(0); /* UID */ |
1742 | *p++ = cpu_to_be32(0); /* GID */ | |
34558513 | 1743 | *p = cpu_to_be32(0); /* No more gids */ |
fc931582 AA |
1744 | hdr->nops++; |
1745 | hdr->replen += decode_create_session_maxsz; | |
1746 | } | |
0f3e66c6 AA |
1747 | |
1748 | static void encode_destroy_session(struct xdr_stream *xdr, | |
1749 | struct nfs4_session *session, | |
1750 | struct compound_hdr *hdr) | |
1751 | { | |
1752 | __be32 *p; | |
13c65ce9 | 1753 | p = reserve_space(xdr, 4 + NFS4_MAX_SESSIONID_LEN); |
e75bc1c8 | 1754 | *p++ = cpu_to_be32(OP_DESTROY_SESSION); |
34558513 | 1755 | xdr_encode_opaque_fixed(p, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); |
0f3e66c6 AA |
1756 | hdr->nops++; |
1757 | hdr->replen += decode_destroy_session_maxsz; | |
1758 | } | |
18019753 RL |
1759 | |
1760 | static void encode_reclaim_complete(struct xdr_stream *xdr, | |
1761 | struct nfs41_reclaim_complete_args *args, | |
1762 | struct compound_hdr *hdr) | |
1763 | { | |
1764 | __be32 *p; | |
1765 | ||
1766 | p = reserve_space(xdr, 8); | |
1767 | *p++ = cpu_to_be32(OP_RECLAIM_COMPLETE); | |
1768 | *p++ = cpu_to_be32(args->one_fs); | |
1769 | hdr->nops++; | |
1770 | hdr->replen += decode_reclaim_complete_maxsz; | |
1771 | } | |
99fe60d0 BH |
1772 | #endif /* CONFIG_NFS_V4_1 */ |
1773 | ||
9b7b9fcc AA |
1774 | static void encode_sequence(struct xdr_stream *xdr, |
1775 | const struct nfs4_sequence_args *args, | |
1776 | struct compound_hdr *hdr) | |
1777 | { | |
1778 | #if defined(CONFIG_NFS_V4_1) | |
1779 | struct nfs4_session *session = args->sa_session; | |
fc01cea9 AA |
1780 | struct nfs4_slot_table *tp; |
1781 | struct nfs4_slot *slot; | |
1782 | __be32 *p; | |
9b7b9fcc AA |
1783 | |
1784 | if (!session) | |
1785 | return; | |
1786 | ||
fc01cea9 AA |
1787 | tp = &session->fc_slot_table; |
1788 | ||
1789 | WARN_ON(args->sa_slotid == NFS4_MAX_SLOT_TABLE); | |
1790 | slot = tp->slots + args->sa_slotid; | |
1791 | ||
13c65ce9 | 1792 | p = reserve_space(xdr, 4 + NFS4_MAX_SESSIONID_LEN + 16); |
e75bc1c8 | 1793 | *p++ = cpu_to_be32(OP_SEQUENCE); |
fc01cea9 AA |
1794 | |
1795 | /* | |
1796 | * Sessionid + seqid + slotid + max slotid + cache_this | |
1797 | */ | |
1798 | dprintk("%s: sessionid=%u:%u:%u:%u seqid=%d slotid=%d " | |
1799 | "max_slotid=%d cache_this=%d\n", | |
1800 | __func__, | |
1801 | ((u32 *)session->sess_id.data)[0], | |
1802 | ((u32 *)session->sess_id.data)[1], | |
1803 | ((u32 *)session->sess_id.data)[2], | |
1804 | ((u32 *)session->sess_id.data)[3], | |
1805 | slot->seq_nr, args->sa_slotid, | |
1806 | tp->highest_used_slotid, args->sa_cache_this); | |
93f0cf25 | 1807 | p = xdr_encode_opaque_fixed(p, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); |
e75bc1c8 BH |
1808 | *p++ = cpu_to_be32(slot->seq_nr); |
1809 | *p++ = cpu_to_be32(args->sa_slotid); | |
1810 | *p++ = cpu_to_be32(tp->highest_used_slotid); | |
34558513 | 1811 | *p = cpu_to_be32(args->sa_cache_this); |
9b7b9fcc AA |
1812 | hdr->nops++; |
1813 | hdr->replen += decode_sequence_maxsz; | |
1814 | #endif /* CONFIG_NFS_V4_1 */ | |
1815 | } | |
1816 | ||
b1f69b75 AA |
1817 | #ifdef CONFIG_NFS_V4_1 |
1818 | static void | |
1819 | encode_getdeviceinfo(struct xdr_stream *xdr, | |
1820 | const struct nfs4_getdeviceinfo_args *args, | |
1821 | struct compound_hdr *hdr) | |
1822 | { | |
1823 | __be32 *p; | |
1824 | ||
1825 | p = reserve_space(xdr, 16 + NFS4_DEVICEID4_SIZE); | |
1826 | *p++ = cpu_to_be32(OP_GETDEVICEINFO); | |
1827 | p = xdr_encode_opaque_fixed(p, args->pdev->dev_id.data, | |
1828 | NFS4_DEVICEID4_SIZE); | |
1829 | *p++ = cpu_to_be32(args->pdev->layout_type); | |
1830 | *p++ = cpu_to_be32(args->pdev->pglen); /* gdia_maxcount */ | |
1831 | *p++ = cpu_to_be32(0); /* bitmap length 0 */ | |
1832 | hdr->nops++; | |
1833 | hdr->replen += decode_getdeviceinfo_maxsz; | |
1834 | } | |
1835 | ||
1836 | static void | |
1837 | encode_layoutget(struct xdr_stream *xdr, | |
1838 | const struct nfs4_layoutget_args *args, | |
1839 | struct compound_hdr *hdr) | |
1840 | { | |
b1f69b75 AA |
1841 | __be32 *p; |
1842 | ||
1843 | p = reserve_space(xdr, 44 + NFS4_STATEID_SIZE); | |
1844 | *p++ = cpu_to_be32(OP_LAYOUTGET); | |
1845 | *p++ = cpu_to_be32(0); /* Signal layout available */ | |
1846 | *p++ = cpu_to_be32(args->type); | |
1847 | *p++ = cpu_to_be32(args->range.iomode); | |
1848 | p = xdr_encode_hyper(p, args->range.offset); | |
1849 | p = xdr_encode_hyper(p, args->range.length); | |
1850 | p = xdr_encode_hyper(p, args->minlength); | |
cf7d63f1 | 1851 | p = xdr_encode_opaque_fixed(p, &args->stateid.data, NFS4_STATEID_SIZE); |
b1f69b75 AA |
1852 | *p = cpu_to_be32(args->maxcount); |
1853 | ||
1854 | dprintk("%s: 1st type:0x%x iomode:%d off:%lu len:%lu mc:%d\n", | |
1855 | __func__, | |
1856 | args->type, | |
1857 | args->range.iomode, | |
1858 | (unsigned long)args->range.offset, | |
1859 | (unsigned long)args->range.length, | |
1860 | args->maxcount); | |
1861 | hdr->nops++; | |
1862 | hdr->replen += decode_layoutget_maxsz; | |
1863 | } | |
863a3c6c AA |
1864 | |
1865 | static int | |
1866 | encode_layoutcommit(struct xdr_stream *xdr, | |
1867 | const struct nfs4_layoutcommit_args *args, | |
1868 | struct compound_hdr *hdr) | |
1869 | { | |
1870 | __be32 *p; | |
1871 | ||
1872 | dprintk("%s: lbw: %llu type: %d\n", __func__, args->lastbytewritten, | |
1873 | NFS_SERVER(args->inode)->pnfs_curr_ld->id); | |
1874 | ||
1875 | p = reserve_space(xdr, 48 + NFS4_STATEID_SIZE); | |
1876 | *p++ = cpu_to_be32(OP_LAYOUTCOMMIT); | |
1877 | /* Only whole file layouts */ | |
1878 | p = xdr_encode_hyper(p, 0); /* offset */ | |
1879 | p = xdr_encode_hyper(p, NFS4_MAX_UINT64); /* length */ | |
1880 | *p++ = cpu_to_be32(0); /* reclaim */ | |
1881 | p = xdr_encode_opaque_fixed(p, args->stateid.data, NFS4_STATEID_SIZE); | |
1882 | *p++ = cpu_to_be32(1); /* newoffset = TRUE */ | |
1883 | p = xdr_encode_hyper(p, args->lastbytewritten); | |
1884 | *p++ = cpu_to_be32(0); /* Never send time_modify_changed */ | |
1885 | *p++ = cpu_to_be32(NFS_SERVER(args->inode)->pnfs_curr_ld->id);/* type */ | |
1886 | *p++ = cpu_to_be32(0); /* no file layout payload */ | |
1887 | ||
1888 | hdr->nops++; | |
1889 | hdr->replen += decode_layoutcommit_maxsz; | |
1890 | return 0; | |
1891 | } | |
b1f69b75 AA |
1892 | #endif /* CONFIG_NFS_V4_1 */ |
1893 | ||
1da177e4 LT |
1894 | /* |
1895 | * END OF "GENERIC" ENCODE ROUTINES. | |
1896 | */ | |
1897 | ||
66cc0429 BH |
1898 | static u32 nfs4_xdr_minorversion(const struct nfs4_sequence_args *args) |
1899 | { | |
1900 | #if defined(CONFIG_NFS_V4_1) | |
1901 | if (args->sa_session) | |
a4432345 | 1902 | return args->sa_session->clp->cl_mvops->minor_version; |
66cc0429 BH |
1903 | #endif /* CONFIG_NFS_V4_1 */ |
1904 | return 0; | |
1905 | } | |
1906 | ||
1da177e4 LT |
1907 | /* |
1908 | * Encode an ACCESS request | |
1909 | */ | |
9f06c719 CL |
1910 | static void nfs4_xdr_enc_access(struct rpc_rqst *req, struct xdr_stream *xdr, |
1911 | const struct nfs4_accessargs *args) | |
1da177e4 | 1912 | { |
1da177e4 | 1913 | struct compound_hdr hdr = { |
66cc0429 | 1914 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1915 | }; |
1da177e4 | 1916 | |
9f06c719 CL |
1917 | encode_compound_hdr(xdr, req, &hdr); |
1918 | encode_sequence(xdr, &args->seq_args, &hdr); | |
1919 | encode_putfh(xdr, args->fh, &hdr); | |
1920 | encode_access(xdr, args->access, &hdr); | |
1921 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 1922 | encode_nops(&hdr); |
1da177e4 LT |
1923 | } |
1924 | ||
1925 | /* | |
1926 | * Encode LOOKUP request | |
1927 | */ | |
9f06c719 CL |
1928 | static void nfs4_xdr_enc_lookup(struct rpc_rqst *req, struct xdr_stream *xdr, |
1929 | const struct nfs4_lookup_arg *args) | |
1da177e4 | 1930 | { |
1da177e4 | 1931 | struct compound_hdr hdr = { |
66cc0429 | 1932 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1933 | }; |
1da177e4 | 1934 | |
9f06c719 CL |
1935 | encode_compound_hdr(xdr, req, &hdr); |
1936 | encode_sequence(xdr, &args->seq_args, &hdr); | |
1937 | encode_putfh(xdr, args->dir_fh, &hdr); | |
1938 | encode_lookup(xdr, args->name, &hdr); | |
1939 | encode_getfh(xdr, &hdr); | |
1940 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 1941 | encode_nops(&hdr); |
1da177e4 LT |
1942 | } |
1943 | ||
1944 | /* | |
1945 | * Encode LOOKUP_ROOT request | |
1946 | */ | |
9f06c719 CL |
1947 | static void nfs4_xdr_enc_lookup_root(struct rpc_rqst *req, |
1948 | struct xdr_stream *xdr, | |
1949 | const struct nfs4_lookup_root_arg *args) | |
1da177e4 | 1950 | { |
1da177e4 | 1951 | struct compound_hdr hdr = { |
66cc0429 | 1952 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1953 | }; |
1da177e4 | 1954 | |
9f06c719 CL |
1955 | encode_compound_hdr(xdr, req, &hdr); |
1956 | encode_sequence(xdr, &args->seq_args, &hdr); | |
1957 | encode_putrootfh(xdr, &hdr); | |
1958 | encode_getfh(xdr, &hdr); | |
1959 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 1960 | encode_nops(&hdr); |
1da177e4 LT |
1961 | } |
1962 | ||
1963 | /* | |
1964 | * Encode REMOVE request | |
1965 | */ | |
9f06c719 CL |
1966 | static void nfs4_xdr_enc_remove(struct rpc_rqst *req, struct xdr_stream *xdr, |
1967 | const struct nfs_removeargs *args) | |
1da177e4 | 1968 | { |
1da177e4 | 1969 | struct compound_hdr hdr = { |
66cc0429 | 1970 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1971 | }; |
1da177e4 | 1972 | |
9f06c719 CL |
1973 | encode_compound_hdr(xdr, req, &hdr); |
1974 | encode_sequence(xdr, &args->seq_args, &hdr); | |
1975 | encode_putfh(xdr, args->fh, &hdr); | |
1976 | encode_remove(xdr, &args->name, &hdr); | |
1977 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 1978 | encode_nops(&hdr); |
1da177e4 LT |
1979 | } |
1980 | ||
1981 | /* | |
1982 | * Encode RENAME request | |
1983 | */ | |
9f06c719 CL |
1984 | static void nfs4_xdr_enc_rename(struct rpc_rqst *req, struct xdr_stream *xdr, |
1985 | const struct nfs_renameargs *args) | |
1da177e4 | 1986 | { |
1da177e4 | 1987 | struct compound_hdr hdr = { |
66cc0429 | 1988 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 1989 | }; |
1da177e4 | 1990 | |
9f06c719 CL |
1991 | encode_compound_hdr(xdr, req, &hdr); |
1992 | encode_sequence(xdr, &args->seq_args, &hdr); | |
1993 | encode_putfh(xdr, args->old_dir, &hdr); | |
1994 | encode_savefh(xdr, &hdr); | |
1995 | encode_putfh(xdr, args->new_dir, &hdr); | |
1996 | encode_rename(xdr, args->old_name, args->new_name, &hdr); | |
1997 | encode_getfattr(xdr, args->bitmask, &hdr); | |
1998 | encode_restorefh(xdr, &hdr); | |
1999 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2000 | encode_nops(&hdr); |
1da177e4 LT |
2001 | } |
2002 | ||
2003 | /* | |
2004 | * Encode LINK request | |
2005 | */ | |
9f06c719 CL |
2006 | static void nfs4_xdr_enc_link(struct rpc_rqst *req, struct xdr_stream *xdr, |
2007 | const struct nfs4_link_arg *args) | |
1da177e4 | 2008 | { |
1da177e4 | 2009 | struct compound_hdr hdr = { |
66cc0429 | 2010 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2011 | }; |
1da177e4 | 2012 | |
9f06c719 CL |
2013 | encode_compound_hdr(xdr, req, &hdr); |
2014 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2015 | encode_putfh(xdr, args->fh, &hdr); | |
2016 | encode_savefh(xdr, &hdr); | |
2017 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2018 | encode_link(xdr, args->name, &hdr); | |
2019 | encode_getfattr(xdr, args->bitmask, &hdr); | |
2020 | encode_restorefh(xdr, &hdr); | |
2021 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2022 | encode_nops(&hdr); |
1da177e4 LT |
2023 | } |
2024 | ||
2025 | /* | |
2026 | * Encode CREATE request | |
2027 | */ | |
9f06c719 CL |
2028 | static void nfs4_xdr_enc_create(struct rpc_rqst *req, struct xdr_stream *xdr, |
2029 | const struct nfs4_create_arg *args) | |
1da177e4 | 2030 | { |
1da177e4 | 2031 | struct compound_hdr hdr = { |
66cc0429 | 2032 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2033 | }; |
1da177e4 | 2034 | |
9f06c719 CL |
2035 | encode_compound_hdr(xdr, req, &hdr); |
2036 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2037 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2038 | encode_savefh(xdr, &hdr); | |
2039 | encode_create(xdr, args, &hdr); | |
2040 | encode_getfh(xdr, &hdr); | |
2041 | encode_getfattr(xdr, args->bitmask, &hdr); | |
2042 | encode_restorefh(xdr, &hdr); | |
2043 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2044 | encode_nops(&hdr); |
1da177e4 LT |
2045 | } |
2046 | ||
2047 | /* | |
2048 | * Encode SYMLINK request | |
2049 | */ | |
9f06c719 CL |
2050 | static void nfs4_xdr_enc_symlink(struct rpc_rqst *req, struct xdr_stream *xdr, |
2051 | const struct nfs4_create_arg *args) | |
1da177e4 | 2052 | { |
9f06c719 | 2053 | nfs4_xdr_enc_create(req, xdr, args); |
1da177e4 LT |
2054 | } |
2055 | ||
2056 | /* | |
2057 | * Encode GETATTR request | |
2058 | */ | |
9f06c719 CL |
2059 | static void nfs4_xdr_enc_getattr(struct rpc_rqst *req, struct xdr_stream *xdr, |
2060 | const struct nfs4_getattr_arg *args) | |
1da177e4 | 2061 | { |
1da177e4 | 2062 | struct compound_hdr hdr = { |
66cc0429 | 2063 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2064 | }; |
1da177e4 | 2065 | |
9f06c719 CL |
2066 | encode_compound_hdr(xdr, req, &hdr); |
2067 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2068 | encode_putfh(xdr, args->fh, &hdr); | |
2069 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2070 | encode_nops(&hdr); |
1da177e4 LT |
2071 | } |
2072 | ||
2073 | /* | |
2074 | * Encode a CLOSE request | |
2075 | */ | |
9f06c719 CL |
2076 | static void nfs4_xdr_enc_close(struct rpc_rqst *req, struct xdr_stream *xdr, |
2077 | struct nfs_closeargs *args) | |
1da177e4 | 2078 | { |
05d564fe | 2079 | struct compound_hdr hdr = { |
66cc0429 | 2080 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 2081 | }; |
05d564fe | 2082 | |
9f06c719 CL |
2083 | encode_compound_hdr(xdr, req, &hdr); |
2084 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2085 | encode_putfh(xdr, args->fh, &hdr); | |
2086 | encode_close(xdr, args, &hdr); | |
2087 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2088 | encode_nops(&hdr); |
1da177e4 LT |
2089 | } |
2090 | ||
2091 | /* | |
2092 | * Encode an OPEN request | |
2093 | */ | |
9f06c719 CL |
2094 | static void nfs4_xdr_enc_open(struct rpc_rqst *req, struct xdr_stream *xdr, |
2095 | struct nfs_openargs *args) | |
1da177e4 | 2096 | { |
1da177e4 | 2097 | struct compound_hdr hdr = { |
66cc0429 | 2098 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2099 | }; |
1da177e4 | 2100 | |
9f06c719 CL |
2101 | encode_compound_hdr(xdr, req, &hdr); |
2102 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2103 | encode_putfh(xdr, args->fh, &hdr); | |
2104 | encode_savefh(xdr, &hdr); | |
2105 | encode_open(xdr, args, &hdr); | |
2106 | encode_getfh(xdr, &hdr); | |
2107 | encode_getfattr(xdr, args->bitmask, &hdr); | |
2108 | encode_restorefh(xdr, &hdr); | |
2109 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2110 | encode_nops(&hdr); |
1da177e4 LT |
2111 | } |
2112 | ||
2113 | /* | |
2114 | * Encode an OPEN_CONFIRM request | |
2115 | */ | |
9f06c719 CL |
2116 | static void nfs4_xdr_enc_open_confirm(struct rpc_rqst *req, |
2117 | struct xdr_stream *xdr, | |
2118 | struct nfs_open_confirmargs *args) | |
1da177e4 | 2119 | { |
1da177e4 | 2120 | struct compound_hdr hdr = { |
d017931c | 2121 | .nops = 0, |
1da177e4 | 2122 | }; |
1da177e4 | 2123 | |
9f06c719 CL |
2124 | encode_compound_hdr(xdr, req, &hdr); |
2125 | encode_putfh(xdr, args->fh, &hdr); | |
2126 | encode_open_confirm(xdr, args, &hdr); | |
d017931c | 2127 | encode_nops(&hdr); |
1da177e4 LT |
2128 | } |
2129 | ||
2130 | /* | |
2131 | * Encode an OPEN request with no attributes. | |
2132 | */ | |
9f06c719 CL |
2133 | static void nfs4_xdr_enc_open_noattr(struct rpc_rqst *req, |
2134 | struct xdr_stream *xdr, | |
2135 | struct nfs_openargs *args) | |
1da177e4 | 2136 | { |
1da177e4 | 2137 | struct compound_hdr hdr = { |
66cc0429 | 2138 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2139 | }; |
1da177e4 | 2140 | |
9f06c719 CL |
2141 | encode_compound_hdr(xdr, req, &hdr); |
2142 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2143 | encode_putfh(xdr, args->fh, &hdr); | |
2144 | encode_open(xdr, args, &hdr); | |
2145 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2146 | encode_nops(&hdr); |
1da177e4 LT |
2147 | } |
2148 | ||
2149 | /* | |
2150 | * Encode an OPEN_DOWNGRADE request | |
2151 | */ | |
9f06c719 CL |
2152 | static void nfs4_xdr_enc_open_downgrade(struct rpc_rqst *req, |
2153 | struct xdr_stream *xdr, | |
2154 | struct nfs_closeargs *args) | |
1da177e4 | 2155 | { |
1da177e4 | 2156 | struct compound_hdr hdr = { |
66cc0429 | 2157 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2158 | }; |
1da177e4 | 2159 | |
9f06c719 CL |
2160 | encode_compound_hdr(xdr, req, &hdr); |
2161 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2162 | encode_putfh(xdr, args->fh, &hdr); | |
2163 | encode_open_downgrade(xdr, args, &hdr); | |
2164 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2165 | encode_nops(&hdr); |
1da177e4 LT |
2166 | } |
2167 | ||
2168 | /* | |
2169 | * Encode a LOCK request | |
2170 | */ | |
9f06c719 CL |
2171 | static void nfs4_xdr_enc_lock(struct rpc_rqst *req, struct xdr_stream *xdr, |
2172 | struct nfs_lock_args *args) | |
1da177e4 | 2173 | { |
1da177e4 | 2174 | struct compound_hdr hdr = { |
66cc0429 | 2175 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2176 | }; |
1da177e4 | 2177 | |
9f06c719 CL |
2178 | encode_compound_hdr(xdr, req, &hdr); |
2179 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2180 | encode_putfh(xdr, args->fh, &hdr); | |
2181 | encode_lock(xdr, args, &hdr); | |
d017931c | 2182 | encode_nops(&hdr); |
1da177e4 LT |
2183 | } |
2184 | ||
2185 | /* | |
2186 | * Encode a LOCKT request | |
2187 | */ | |
9f06c719 CL |
2188 | static void nfs4_xdr_enc_lockt(struct rpc_rqst *req, struct xdr_stream *xdr, |
2189 | struct nfs_lockt_args *args) | |
1da177e4 | 2190 | { |
1da177e4 | 2191 | struct compound_hdr hdr = { |
66cc0429 | 2192 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2193 | }; |
1da177e4 | 2194 | |
9f06c719 CL |
2195 | encode_compound_hdr(xdr, req, &hdr); |
2196 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2197 | encode_putfh(xdr, args->fh, &hdr); | |
2198 | encode_lockt(xdr, args, &hdr); | |
d017931c | 2199 | encode_nops(&hdr); |
1da177e4 LT |
2200 | } |
2201 | ||
2202 | /* | |
2203 | * Encode a LOCKU request | |
2204 | */ | |
9f06c719 CL |
2205 | static void nfs4_xdr_enc_locku(struct rpc_rqst *req, struct xdr_stream *xdr, |
2206 | struct nfs_locku_args *args) | |
1da177e4 | 2207 | { |
1da177e4 | 2208 | struct compound_hdr hdr = { |
66cc0429 | 2209 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2210 | }; |
1da177e4 | 2211 | |
9f06c719 CL |
2212 | encode_compound_hdr(xdr, req, &hdr); |
2213 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2214 | encode_putfh(xdr, args->fh, &hdr); | |
2215 | encode_locku(xdr, args, &hdr); | |
d017931c | 2216 | encode_nops(&hdr); |
1da177e4 LT |
2217 | } |
2218 | ||
9f06c719 CL |
2219 | static void nfs4_xdr_enc_release_lockowner(struct rpc_rqst *req, |
2220 | struct xdr_stream *xdr, | |
2221 | struct nfs_release_lockowner_args *args) | |
d3c7b7cc | 2222 | { |
d3c7b7cc TM |
2223 | struct compound_hdr hdr = { |
2224 | .minorversion = 0, | |
2225 | }; | |
2226 | ||
9f06c719 CL |
2227 | encode_compound_hdr(xdr, req, &hdr); |
2228 | encode_release_lockowner(xdr, &args->lock_owner, &hdr); | |
d3c7b7cc | 2229 | encode_nops(&hdr); |
d3c7b7cc TM |
2230 | } |
2231 | ||
1da177e4 LT |
2232 | /* |
2233 | * Encode a READLINK request | |
2234 | */ | |
9f06c719 CL |
2235 | static void nfs4_xdr_enc_readlink(struct rpc_rqst *req, struct xdr_stream *xdr, |
2236 | const struct nfs4_readlink *args) | |
1da177e4 | 2237 | { |
1da177e4 | 2238 | struct compound_hdr hdr = { |
66cc0429 | 2239 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2240 | }; |
1da177e4 | 2241 | |
9f06c719 CL |
2242 | encode_compound_hdr(xdr, req, &hdr); |
2243 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2244 | encode_putfh(xdr, args->fh, &hdr); | |
2245 | encode_readlink(xdr, args, req, &hdr); | |
e3a535e1 | 2246 | |
28f56694 | 2247 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, |
e3a535e1 | 2248 | args->pgbase, args->pglen); |
d017931c | 2249 | encode_nops(&hdr); |
1da177e4 LT |
2250 | } |
2251 | ||
2252 | /* | |
2253 | * Encode a READDIR request | |
2254 | */ | |
9f06c719 CL |
2255 | static void nfs4_xdr_enc_readdir(struct rpc_rqst *req, struct xdr_stream *xdr, |
2256 | const struct nfs4_readdir_arg *args) | |
1da177e4 | 2257 | { |
1da177e4 | 2258 | struct compound_hdr hdr = { |
66cc0429 | 2259 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2260 | }; |
1da177e4 | 2261 | |
9f06c719 CL |
2262 | encode_compound_hdr(xdr, req, &hdr); |
2263 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2264 | encode_putfh(xdr, args->fh, &hdr); | |
2265 | encode_readdir(xdr, args, req, &hdr); | |
d6ac02df | 2266 | |
28f56694 | 2267 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, |
d6ac02df TM |
2268 | args->pgbase, args->count); |
2269 | dprintk("%s: inlined page args = (%u, %p, %u, %u)\n", | |
28f56694 | 2270 | __func__, hdr.replen << 2, args->pages, |
d6ac02df | 2271 | args->pgbase, args->count); |
d017931c | 2272 | encode_nops(&hdr); |
1da177e4 LT |
2273 | } |
2274 | ||
2275 | /* | |
2276 | * Encode a READ request | |
2277 | */ | |
9f06c719 CL |
2278 | static void nfs4_xdr_enc_read(struct rpc_rqst *req, struct xdr_stream *xdr, |
2279 | struct nfs_readargs *args) | |
1da177e4 | 2280 | { |
1da177e4 | 2281 | struct compound_hdr hdr = { |
66cc0429 | 2282 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2283 | }; |
1da177e4 | 2284 | |
9f06c719 CL |
2285 | encode_compound_hdr(xdr, req, &hdr); |
2286 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2287 | encode_putfh(xdr, args->fh, &hdr); | |
2288 | encode_read(xdr, args, &hdr); | |
1da177e4 | 2289 | |
28f56694 | 2290 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, |
1da177e4 | 2291 | args->pages, args->pgbase, args->count); |
4f22ccc3 | 2292 | req->rq_rcv_buf.flags |= XDRBUF_READ; |
d017931c | 2293 | encode_nops(&hdr); |
1da177e4 LT |
2294 | } |
2295 | ||
2296 | /* | |
2297 | * Encode an SETATTR request | |
2298 | */ | |
9f06c719 CL |
2299 | static void nfs4_xdr_enc_setattr(struct rpc_rqst *req, struct xdr_stream *xdr, |
2300 | struct nfs_setattrargs *args) | |
1da177e4 | 2301 | { |
05d564fe | 2302 | struct compound_hdr hdr = { |
66cc0429 | 2303 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 2304 | }; |
05d564fe | 2305 | |
9f06c719 CL |
2306 | encode_compound_hdr(xdr, req, &hdr); |
2307 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2308 | encode_putfh(xdr, args->fh, &hdr); | |
2309 | encode_setattr(xdr, args, args->server, &hdr); | |
2310 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2311 | encode_nops(&hdr); |
1da177e4 LT |
2312 | } |
2313 | ||
029d105e BF |
2314 | /* |
2315 | * Encode a GETACL request | |
2316 | */ | |
9f06c719 CL |
2317 | static void nfs4_xdr_enc_getacl(struct rpc_rqst *req, struct xdr_stream *xdr, |
2318 | struct nfs_getaclargs *args) | |
029d105e | 2319 | { |
029d105e | 2320 | struct compound_hdr hdr = { |
66cc0429 | 2321 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
029d105e | 2322 | }; |
28f56694 | 2323 | uint32_t replen; |
029d105e | 2324 | |
9f06c719 CL |
2325 | encode_compound_hdr(xdr, req, &hdr); |
2326 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2327 | encode_putfh(xdr, args->fh, &hdr); | |
d327cf74 | 2328 | replen = hdr.replen + op_decode_hdr_maxsz + nfs4_fattr_bitmap_maxsz + 1; |
9f06c719 | 2329 | encode_getattr_two(xdr, FATTR4_WORD0_ACL, 0, &hdr); |
cf8cdbe5 | 2330 | |
28f56694 | 2331 | xdr_inline_pages(&req->rq_rcv_buf, replen << 2, |
029d105e | 2332 | args->acl_pages, args->acl_pgbase, args->acl_len); |
d017931c | 2333 | encode_nops(&hdr); |
029d105e BF |
2334 | } |
2335 | ||
1da177e4 LT |
2336 | /* |
2337 | * Encode a WRITE request | |
2338 | */ | |
9f06c719 CL |
2339 | static void nfs4_xdr_enc_write(struct rpc_rqst *req, struct xdr_stream *xdr, |
2340 | struct nfs_writeargs *args) | |
1da177e4 | 2341 | { |
1da177e4 | 2342 | struct compound_hdr hdr = { |
66cc0429 | 2343 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2344 | }; |
1da177e4 | 2345 | |
9f06c719 CL |
2346 | encode_compound_hdr(xdr, req, &hdr); |
2347 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2348 | encode_putfh(xdr, args->fh, &hdr); | |
2349 | encode_write(xdr, args, &hdr); | |
4f22ccc3 | 2350 | req->rq_snd_buf.flags |= XDRBUF_WRITE; |
7ffd1064 FI |
2351 | if (args->bitmask) |
2352 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2353 | encode_nops(&hdr); |
1da177e4 LT |
2354 | } |
2355 | ||
2356 | /* | |
2357 | * a COMMIT request | |
2358 | */ | |
9f06c719 CL |
2359 | static void nfs4_xdr_enc_commit(struct rpc_rqst *req, struct xdr_stream *xdr, |
2360 | struct nfs_writeargs *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_commit(xdr, args, &hdr); | |
988b6dce FI |
2370 | if (args->bitmask) |
2371 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2372 | encode_nops(&hdr); |
1da177e4 LT |
2373 | } |
2374 | ||
2375 | /* | |
2376 | * FSINFO request | |
2377 | */ | |
9f06c719 CL |
2378 | static void nfs4_xdr_enc_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, |
2379 | struct nfs4_fsinfo_arg *args) | |
1da177e4 | 2380 | { |
1da177e4 | 2381 | struct compound_hdr hdr = { |
66cc0429 | 2382 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2383 | }; |
1da177e4 | 2384 | |
9f06c719 CL |
2385 | encode_compound_hdr(xdr, req, &hdr); |
2386 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2387 | encode_putfh(xdr, args->fh, &hdr); | |
2388 | encode_fsinfo(xdr, args->bitmask, &hdr); | |
d017931c | 2389 | encode_nops(&hdr); |
1da177e4 LT |
2390 | } |
2391 | ||
2392 | /* | |
2393 | * a PATHCONF request | |
2394 | */ | |
9f06c719 CL |
2395 | static void nfs4_xdr_enc_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, |
2396 | const struct nfs4_pathconf_arg *args) | |
1da177e4 | 2397 | { |
1da177e4 | 2398 | struct compound_hdr hdr = { |
66cc0429 | 2399 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2400 | }; |
1da177e4 | 2401 | |
9f06c719 CL |
2402 | encode_compound_hdr(xdr, req, &hdr); |
2403 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2404 | encode_putfh(xdr, args->fh, &hdr); | |
2405 | encode_getattr_one(xdr, args->bitmask[0] & nfs4_pathconf_bitmap[0], | |
cf8cdbe5 | 2406 | &hdr); |
d017931c | 2407 | encode_nops(&hdr); |
1da177e4 LT |
2408 | } |
2409 | ||
2410 | /* | |
2411 | * a STATFS request | |
2412 | */ | |
9f06c719 CL |
2413 | static void nfs4_xdr_enc_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, |
2414 | const struct nfs4_statfs_arg *args) | |
1da177e4 | 2415 | { |
1da177e4 | 2416 | struct compound_hdr hdr = { |
66cc0429 | 2417 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2418 | }; |
1da177e4 | 2419 | |
9f06c719 CL |
2420 | encode_compound_hdr(xdr, req, &hdr); |
2421 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2422 | encode_putfh(xdr, args->fh, &hdr); | |
2423 | encode_getattr_two(xdr, args->bitmask[0] & nfs4_statfs_bitmap[0], | |
cf8cdbe5 | 2424 | args->bitmask[1] & nfs4_statfs_bitmap[1], &hdr); |
d017931c | 2425 | encode_nops(&hdr); |
1da177e4 LT |
2426 | } |
2427 | ||
2428 | /* | |
2429 | * GETATTR_BITMAP request | |
2430 | */ | |
9f06c719 CL |
2431 | static void nfs4_xdr_enc_server_caps(struct rpc_rqst *req, |
2432 | struct xdr_stream *xdr, | |
2433 | struct nfs4_server_caps_arg *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->fhandle, &hdr); | |
2442 | encode_getattr_one(xdr, FATTR4_WORD0_SUPPORTED_ATTRS| | |
cf8cdbe5 AA |
2443 | FATTR4_WORD0_LINK_SUPPORT| |
2444 | FATTR4_WORD0_SYMLINK_SUPPORT| | |
2445 | FATTR4_WORD0_ACLSUPPORT, &hdr); | |
d017931c | 2446 | encode_nops(&hdr); |
1da177e4 LT |
2447 | } |
2448 | ||
2449 | /* | |
2450 | * a RENEW request | |
2451 | */ | |
9f06c719 CL |
2452 | static void nfs4_xdr_enc_renew(struct rpc_rqst *req, struct xdr_stream *xdr, |
2453 | struct nfs_client *clp) | |
1da177e4 | 2454 | { |
1da177e4 | 2455 | struct compound_hdr hdr = { |
d017931c | 2456 | .nops = 0, |
1da177e4 LT |
2457 | }; |
2458 | ||
9f06c719 CL |
2459 | encode_compound_hdr(xdr, req, &hdr); |
2460 | encode_renew(xdr, clp, &hdr); | |
d017931c | 2461 | encode_nops(&hdr); |
1da177e4 LT |
2462 | } |
2463 | ||
2464 | /* | |
2465 | * a SETCLIENTID request | |
2466 | */ | |
9f06c719 CL |
2467 | static void nfs4_xdr_enc_setclientid(struct rpc_rqst *req, |
2468 | struct xdr_stream *xdr, | |
2469 | struct nfs4_setclientid *sc) | |
1da177e4 | 2470 | { |
1da177e4 | 2471 | struct compound_hdr hdr = { |
d017931c | 2472 | .nops = 0, |
1da177e4 LT |
2473 | }; |
2474 | ||
9f06c719 CL |
2475 | encode_compound_hdr(xdr, req, &hdr); |
2476 | encode_setclientid(xdr, sc, &hdr); | |
d017931c | 2477 | encode_nops(&hdr); |
1da177e4 LT |
2478 | } |
2479 | ||
2480 | /* | |
2481 | * a SETCLIENTID_CONFIRM request | |
2482 | */ | |
9f06c719 CL |
2483 | static void nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, |
2484 | struct xdr_stream *xdr, | |
2485 | struct nfs4_setclientid_res *arg) | |
1da177e4 | 2486 | { |
1da177e4 | 2487 | struct compound_hdr hdr = { |
d017931c | 2488 | .nops = 0, |
1da177e4 LT |
2489 | }; |
2490 | const u32 lease_bitmap[2] = { FATTR4_WORD0_LEASE_TIME, 0 }; | |
1da177e4 | 2491 | |
9f06c719 CL |
2492 | encode_compound_hdr(xdr, req, &hdr); |
2493 | encode_setclientid_confirm(xdr, arg, &hdr); | |
2494 | encode_putrootfh(xdr, &hdr); | |
2495 | encode_fsinfo(xdr, lease_bitmap, &hdr); | |
d017931c | 2496 | encode_nops(&hdr); |
1da177e4 LT |
2497 | } |
2498 | ||
2499 | /* | |
2500 | * DELEGRETURN request | |
2501 | */ | |
9f06c719 CL |
2502 | static void nfs4_xdr_enc_delegreturn(struct rpc_rqst *req, |
2503 | struct xdr_stream *xdr, | |
2504 | const struct nfs4_delegreturnargs *args) | |
1da177e4 | 2505 | { |
1da177e4 | 2506 | struct compound_hdr hdr = { |
66cc0429 | 2507 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2508 | }; |
1da177e4 | 2509 | |
9f06c719 CL |
2510 | encode_compound_hdr(xdr, req, &hdr); |
2511 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2512 | encode_putfh(xdr, args->fhandle, &hdr); | |
2513 | encode_delegreturn(xdr, args->stateid, &hdr); | |
2514 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2515 | encode_nops(&hdr); |
1da177e4 LT |
2516 | } |
2517 | ||
683b57b4 TM |
2518 | /* |
2519 | * Encode FS_LOCATIONS request | |
2520 | */ | |
9f06c719 CL |
2521 | static void nfs4_xdr_enc_fs_locations(struct rpc_rqst *req, |
2522 | struct xdr_stream *xdr, | |
2523 | struct nfs4_fs_locations_arg *args) | |
683b57b4 | 2524 | { |
683b57b4 | 2525 | struct compound_hdr hdr = { |
66cc0429 | 2526 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
683b57b4 | 2527 | }; |
28f56694 | 2528 | uint32_t replen; |
683b57b4 | 2529 | |
9f06c719 CL |
2530 | encode_compound_hdr(xdr, req, &hdr); |
2531 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2532 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2533 | encode_lookup(xdr, args->name, &hdr); | |
28f56694 | 2534 | replen = hdr.replen; /* get the attribute into args->page */ |
9f06c719 | 2535 | encode_fs_locations(xdr, args->bitmask, &hdr); |
cf8cdbe5 | 2536 | |
28f56694 | 2537 | xdr_inline_pages(&req->rq_rcv_buf, replen << 2, &args->page, |
683b57b4 | 2538 | 0, PAGE_SIZE); |
d017931c | 2539 | encode_nops(&hdr); |
683b57b4 TM |
2540 | } |
2541 | ||
5a5ea0d4 BS |
2542 | /* |
2543 | * Encode SECINFO request | |
2544 | */ | |
2545 | static void nfs4_xdr_enc_secinfo(struct rpc_rqst *req, | |
2546 | struct xdr_stream *xdr, | |
2547 | struct nfs4_secinfo_arg *args) | |
2548 | { | |
2549 | struct compound_hdr hdr = { | |
2550 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2551 | }; | |
2552 | ||
2553 | encode_compound_hdr(xdr, req, &hdr); | |
2554 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2555 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2556 | encode_secinfo(xdr, args->name, &hdr); | |
2557 | encode_nops(&hdr); | |
2558 | } | |
2559 | ||
99fe60d0 BH |
2560 | #if defined(CONFIG_NFS_V4_1) |
2561 | /* | |
2562 | * EXCHANGE_ID request | |
2563 | */ | |
9f06c719 CL |
2564 | static void nfs4_xdr_enc_exchange_id(struct rpc_rqst *req, |
2565 | struct xdr_stream *xdr, | |
2566 | struct nfs41_exchange_id_args *args) | |
99fe60d0 | 2567 | { |
99fe60d0 | 2568 | struct compound_hdr hdr = { |
a4432345 | 2569 | .minorversion = args->client->cl_mvops->minor_version, |
99fe60d0 BH |
2570 | }; |
2571 | ||
9f06c719 CL |
2572 | encode_compound_hdr(xdr, req, &hdr); |
2573 | encode_exchange_id(xdr, args, &hdr); | |
99fe60d0 | 2574 | encode_nops(&hdr); |
99fe60d0 | 2575 | } |
2050f0cc | 2576 | |
fc931582 AA |
2577 | /* |
2578 | * a CREATE_SESSION request | |
2579 | */ | |
9f06c719 CL |
2580 | static void nfs4_xdr_enc_create_session(struct rpc_rqst *req, |
2581 | struct xdr_stream *xdr, | |
2582 | struct nfs41_create_session_args *args) | |
fc931582 | 2583 | { |
fc931582 | 2584 | struct compound_hdr hdr = { |
a4432345 | 2585 | .minorversion = args->client->cl_mvops->minor_version, |
fc931582 AA |
2586 | }; |
2587 | ||
9f06c719 CL |
2588 | encode_compound_hdr(xdr, req, &hdr); |
2589 | encode_create_session(xdr, args, &hdr); | |
fc931582 | 2590 | encode_nops(&hdr); |
fc931582 AA |
2591 | } |
2592 | ||
0f3e66c6 AA |
2593 | /* |
2594 | * a DESTROY_SESSION request | |
2595 | */ | |
9f06c719 CL |
2596 | static void nfs4_xdr_enc_destroy_session(struct rpc_rqst *req, |
2597 | struct xdr_stream *xdr, | |
2598 | struct nfs4_session *session) | |
0f3e66c6 | 2599 | { |
0f3e66c6 | 2600 | struct compound_hdr hdr = { |
a4432345 | 2601 | .minorversion = session->clp->cl_mvops->minor_version, |
0f3e66c6 AA |
2602 | }; |
2603 | ||
9f06c719 CL |
2604 | encode_compound_hdr(xdr, req, &hdr); |
2605 | encode_destroy_session(xdr, session, &hdr); | |
0f3e66c6 | 2606 | encode_nops(&hdr); |
0f3e66c6 AA |
2607 | } |
2608 | ||
fc01cea9 AA |
2609 | /* |
2610 | * a SEQUENCE request | |
2611 | */ | |
9f06c719 CL |
2612 | static void nfs4_xdr_enc_sequence(struct rpc_rqst *req, struct xdr_stream *xdr, |
2613 | struct nfs4_sequence_args *args) | |
fc01cea9 | 2614 | { |
fc01cea9 AA |
2615 | struct compound_hdr hdr = { |
2616 | .minorversion = nfs4_xdr_minorversion(args), | |
2617 | }; | |
2618 | ||
9f06c719 CL |
2619 | encode_compound_hdr(xdr, req, &hdr); |
2620 | encode_sequence(xdr, args, &hdr); | |
fc01cea9 | 2621 | encode_nops(&hdr); |
fc01cea9 AA |
2622 | } |
2623 | ||
2050f0cc AA |
2624 | /* |
2625 | * a GET_LEASE_TIME request | |
2626 | */ | |
9f06c719 CL |
2627 | static void nfs4_xdr_enc_get_lease_time(struct rpc_rqst *req, |
2628 | struct xdr_stream *xdr, | |
2629 | struct nfs4_get_lease_time_args *args) | |
2050f0cc | 2630 | { |
2050f0cc AA |
2631 | struct compound_hdr hdr = { |
2632 | .minorversion = nfs4_xdr_minorversion(&args->la_seq_args), | |
2633 | }; | |
2634 | const u32 lease_bitmap[2] = { FATTR4_WORD0_LEASE_TIME, 0 }; | |
2635 | ||
9f06c719 CL |
2636 | encode_compound_hdr(xdr, req, &hdr); |
2637 | encode_sequence(xdr, &args->la_seq_args, &hdr); | |
2638 | encode_putrootfh(xdr, &hdr); | |
2639 | encode_fsinfo(xdr, lease_bitmap, &hdr); | |
2050f0cc | 2640 | encode_nops(&hdr); |
2050f0cc | 2641 | } |
18019753 RL |
2642 | |
2643 | /* | |
2644 | * a RECLAIM_COMPLETE request | |
2645 | */ | |
9f06c719 CL |
2646 | static void nfs4_xdr_enc_reclaim_complete(struct rpc_rqst *req, |
2647 | struct xdr_stream *xdr, | |
2648 | struct nfs41_reclaim_complete_args *args) | |
18019753 | 2649 | { |
18019753 RL |
2650 | struct compound_hdr hdr = { |
2651 | .minorversion = nfs4_xdr_minorversion(&args->seq_args) | |
2652 | }; | |
2653 | ||
9f06c719 CL |
2654 | encode_compound_hdr(xdr, req, &hdr); |
2655 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2656 | encode_reclaim_complete(xdr, args, &hdr); | |
18019753 | 2657 | encode_nops(&hdr); |
18019753 RL |
2658 | } |
2659 | ||
b1f69b75 AA |
2660 | /* |
2661 | * Encode GETDEVICEINFO request | |
2662 | */ | |
9f06c719 CL |
2663 | static void nfs4_xdr_enc_getdeviceinfo(struct rpc_rqst *req, |
2664 | struct xdr_stream *xdr, | |
2665 | struct nfs4_getdeviceinfo_args *args) | |
b1f69b75 | 2666 | { |
b1f69b75 AA |
2667 | struct compound_hdr hdr = { |
2668 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2669 | }; | |
2670 | ||
9f06c719 CL |
2671 | encode_compound_hdr(xdr, req, &hdr); |
2672 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2673 | encode_getdeviceinfo(xdr, args, &hdr); | |
b1f69b75 AA |
2674 | |
2675 | /* set up reply kvec. Subtract notification bitmap max size (2) | |
2676 | * so that notification bitmap is put in xdr_buf tail */ | |
2677 | xdr_inline_pages(&req->rq_rcv_buf, (hdr.replen - 2) << 2, | |
2678 | args->pdev->pages, args->pdev->pgbase, | |
2679 | args->pdev->pglen); | |
2680 | ||
2681 | encode_nops(&hdr); | |
b1f69b75 AA |
2682 | } |
2683 | ||
2684 | /* | |
2685 | * Encode LAYOUTGET request | |
2686 | */ | |
9f06c719 CL |
2687 | static void nfs4_xdr_enc_layoutget(struct rpc_rqst *req, |
2688 | struct xdr_stream *xdr, | |
2689 | struct nfs4_layoutget_args *args) | |
b1f69b75 | 2690 | { |
b1f69b75 AA |
2691 | struct compound_hdr hdr = { |
2692 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2693 | }; | |
2694 | ||
9f06c719 CL |
2695 | encode_compound_hdr(xdr, req, &hdr); |
2696 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2697 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
2698 | encode_layoutget(xdr, args, &hdr); | |
35124a09 WAA |
2699 | |
2700 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, | |
2701 | args->layout.pages, 0, args->layout.pglen); | |
2702 | ||
b1f69b75 | 2703 | encode_nops(&hdr); |
b1f69b75 | 2704 | } |
863a3c6c AA |
2705 | |
2706 | /* | |
2707 | * Encode LAYOUTCOMMIT request | |
2708 | */ | |
2709 | static int nfs4_xdr_enc_layoutcommit(struct rpc_rqst *req, | |
2710 | struct xdr_stream *xdr, | |
2711 | struct nfs4_layoutcommit_args *args) | |
2712 | { | |
2713 | struct compound_hdr hdr = { | |
2714 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2715 | }; | |
2716 | ||
2717 | encode_compound_hdr(xdr, req, &hdr); | |
2718 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2719 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
2720 | encode_layoutcommit(xdr, args, &hdr); | |
2721 | encode_getfattr(xdr, args->bitmask, &hdr); | |
b1f69b75 | 2722 | encode_nops(&hdr); |
863a3c6c | 2723 | return 0; |
b1f69b75 | 2724 | } |
99fe60d0 BH |
2725 | #endif /* CONFIG_NFS_V4_1 */ |
2726 | ||
686841b3 BH |
2727 | static void print_overflow_msg(const char *func, const struct xdr_stream *xdr) |
2728 | { | |
2729 | dprintk("nfs: %s: prematurely hit end of receive buffer. " | |
2730 | "Remaining buffer length is %tu words.\n", | |
2731 | func, xdr->end - xdr->p); | |
2732 | } | |
1da177e4 | 2733 | |
683b57b4 | 2734 | static int decode_opaque_inline(struct xdr_stream *xdr, unsigned int *len, char **string) |
1da177e4 | 2735 | { |
8687b63a | 2736 | __be32 *p; |
1da177e4 | 2737 | |
c0eae66e BH |
2738 | p = xdr_inline_decode(xdr, 4); |
2739 | if (unlikely(!p)) | |
2740 | goto out_overflow; | |
cccddf4f | 2741 | *len = be32_to_cpup(p); |
c0eae66e BH |
2742 | p = xdr_inline_decode(xdr, *len); |
2743 | if (unlikely(!p)) | |
2744 | goto out_overflow; | |
1da177e4 LT |
2745 | *string = (char *)p; |
2746 | return 0; | |
c0eae66e BH |
2747 | out_overflow: |
2748 | print_overflow_msg(__func__, xdr); | |
2749 | return -EIO; | |
1da177e4 LT |
2750 | } |
2751 | ||
2752 | static int decode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr) | |
2753 | { | |
8687b63a | 2754 | __be32 *p; |
1da177e4 | 2755 | |
c0eae66e BH |
2756 | p = xdr_inline_decode(xdr, 8); |
2757 | if (unlikely(!p)) | |
2758 | goto out_overflow; | |
6f723f77 | 2759 | hdr->status = be32_to_cpup(p++); |
cccddf4f | 2760 | hdr->taglen = be32_to_cpup(p); |
6c0195a4 | 2761 | |
c0eae66e BH |
2762 | p = xdr_inline_decode(xdr, hdr->taglen + 4); |
2763 | if (unlikely(!p)) | |
2764 | goto out_overflow; | |
1da177e4 LT |
2765 | hdr->tag = (char *)p; |
2766 | p += XDR_QUADLEN(hdr->taglen); | |
cccddf4f | 2767 | hdr->nops = be32_to_cpup(p); |
aadf6152 BH |
2768 | if (unlikely(hdr->nops < 1)) |
2769 | return nfs4_stat_to_errno(hdr->status); | |
1da177e4 | 2770 | return 0; |
c0eae66e BH |
2771 | out_overflow: |
2772 | print_overflow_msg(__func__, xdr); | |
2773 | return -EIO; | |
1da177e4 LT |
2774 | } |
2775 | ||
2776 | static int decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected) | |
2777 | { | |
8687b63a | 2778 | __be32 *p; |
1da177e4 LT |
2779 | uint32_t opnum; |
2780 | int32_t nfserr; | |
2781 | ||
c0eae66e BH |
2782 | p = xdr_inline_decode(xdr, 8); |
2783 | if (unlikely(!p)) | |
2784 | goto out_overflow; | |
6f723f77 | 2785 | opnum = be32_to_cpup(p++); |
1da177e4 | 2786 | if (opnum != expected) { |
fe82a183 CL |
2787 | dprintk("nfs: Server returned operation" |
2788 | " %d but we issued a request for %d\n", | |
1da177e4 LT |
2789 | opnum, expected); |
2790 | return -EIO; | |
2791 | } | |
cccddf4f | 2792 | nfserr = be32_to_cpup(p); |
1da177e4 | 2793 | if (nfserr != NFS_OK) |
856dff3d | 2794 | return nfs4_stat_to_errno(nfserr); |
1da177e4 | 2795 | return 0; |
c0eae66e BH |
2796 | out_overflow: |
2797 | print_overflow_msg(__func__, xdr); | |
2798 | return -EIO; | |
1da177e4 LT |
2799 | } |
2800 | ||
2801 | /* Dummy routine */ | |
adfa6f98 | 2802 | static int decode_ace(struct xdr_stream *xdr, void *ace, struct nfs_client *clp) |
1da177e4 | 2803 | { |
8687b63a | 2804 | __be32 *p; |
683b57b4 | 2805 | unsigned int strlen; |
1da177e4 LT |
2806 | char *str; |
2807 | ||
c0eae66e BH |
2808 | p = xdr_inline_decode(xdr, 12); |
2809 | if (likely(p)) | |
2810 | return decode_opaque_inline(xdr, &strlen, &str); | |
2811 | print_overflow_msg(__func__, xdr); | |
2812 | return -EIO; | |
1da177e4 LT |
2813 | } |
2814 | ||
2815 | static int decode_attr_bitmap(struct xdr_stream *xdr, uint32_t *bitmap) | |
2816 | { | |
8687b63a AV |
2817 | uint32_t bmlen; |
2818 | __be32 *p; | |
1da177e4 | 2819 | |
c0eae66e BH |
2820 | p = xdr_inline_decode(xdr, 4); |
2821 | if (unlikely(!p)) | |
2822 | goto out_overflow; | |
cccddf4f | 2823 | bmlen = be32_to_cpup(p); |
1da177e4 LT |
2824 | |
2825 | bitmap[0] = bitmap[1] = 0; | |
c0eae66e BH |
2826 | p = xdr_inline_decode(xdr, (bmlen << 2)); |
2827 | if (unlikely(!p)) | |
2828 | goto out_overflow; | |
1da177e4 | 2829 | if (bmlen > 0) { |
6f723f77 | 2830 | bitmap[0] = be32_to_cpup(p++); |
1da177e4 | 2831 | if (bmlen > 1) |
cccddf4f | 2832 | bitmap[1] = be32_to_cpup(p); |
1da177e4 LT |
2833 | } |
2834 | return 0; | |
c0eae66e BH |
2835 | out_overflow: |
2836 | print_overflow_msg(__func__, xdr); | |
2837 | return -EIO; | |
1da177e4 LT |
2838 | } |
2839 | ||
8687b63a | 2840 | static inline int decode_attr_length(struct xdr_stream *xdr, uint32_t *attrlen, __be32 **savep) |
1da177e4 | 2841 | { |
8687b63a | 2842 | __be32 *p; |
1da177e4 | 2843 | |
c0eae66e BH |
2844 | p = xdr_inline_decode(xdr, 4); |
2845 | if (unlikely(!p)) | |
2846 | goto out_overflow; | |
cccddf4f | 2847 | *attrlen = be32_to_cpup(p); |
1da177e4 LT |
2848 | *savep = xdr->p; |
2849 | return 0; | |
c0eae66e BH |
2850 | out_overflow: |
2851 | print_overflow_msg(__func__, xdr); | |
2852 | return -EIO; | |
1da177e4 LT |
2853 | } |
2854 | ||
2855 | static int decode_attr_supported(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *bitmask) | |
2856 | { | |
2857 | if (likely(bitmap[0] & FATTR4_WORD0_SUPPORTED_ATTRS)) { | |
3388bff5 RB |
2858 | int ret; |
2859 | ret = decode_attr_bitmap(xdr, bitmask); | |
2860 | if (unlikely(ret < 0)) | |
2861 | return ret; | |
1da177e4 LT |
2862 | bitmap[0] &= ~FATTR4_WORD0_SUPPORTED_ATTRS; |
2863 | } else | |
2864 | bitmask[0] = bitmask[1] = 0; | |
44109241 | 2865 | dprintk("%s: bitmask=%08x:%08x\n", __func__, bitmask[0], bitmask[1]); |
1da177e4 LT |
2866 | return 0; |
2867 | } | |
2868 | ||
2869 | static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *type) | |
2870 | { | |
8687b63a | 2871 | __be32 *p; |
409924e4 | 2872 | int ret = 0; |
1da177e4 LT |
2873 | |
2874 | *type = 0; | |
2875 | if (unlikely(bitmap[0] & (FATTR4_WORD0_TYPE - 1U))) | |
2876 | return -EIO; | |
2877 | if (likely(bitmap[0] & FATTR4_WORD0_TYPE)) { | |
c0eae66e BH |
2878 | p = xdr_inline_decode(xdr, 4); |
2879 | if (unlikely(!p)) | |
2880 | goto out_overflow; | |
cccddf4f | 2881 | *type = be32_to_cpup(p); |
1da177e4 | 2882 | if (*type < NF4REG || *type > NF4NAMEDATTR) { |
3110ff80 | 2883 | dprintk("%s: bad type %d\n", __func__, *type); |
1da177e4 LT |
2884 | return -EIO; |
2885 | } | |
2886 | bitmap[0] &= ~FATTR4_WORD0_TYPE; | |
409924e4 | 2887 | ret = NFS_ATTR_FATTR_TYPE; |
1da177e4 | 2888 | } |
bca79478 | 2889 | dprintk("%s: type=0%o\n", __func__, nfs_type2fmt[*type]); |
409924e4 | 2890 | return ret; |
c0eae66e BH |
2891 | out_overflow: |
2892 | print_overflow_msg(__func__, xdr); | |
2893 | return -EIO; | |
1da177e4 LT |
2894 | } |
2895 | ||
2896 | static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *change) | |
2897 | { | |
8687b63a | 2898 | __be32 *p; |
409924e4 | 2899 | int ret = 0; |
1da177e4 LT |
2900 | |
2901 | *change = 0; | |
2902 | if (unlikely(bitmap[0] & (FATTR4_WORD0_CHANGE - 1U))) | |
2903 | return -EIO; | |
2904 | if (likely(bitmap[0] & FATTR4_WORD0_CHANGE)) { | |
c0eae66e BH |
2905 | p = xdr_inline_decode(xdr, 8); |
2906 | if (unlikely(!p)) | |
2907 | goto out_overflow; | |
cccddf4f | 2908 | xdr_decode_hyper(p, change); |
1da177e4 | 2909 | bitmap[0] &= ~FATTR4_WORD0_CHANGE; |
409924e4 | 2910 | ret = NFS_ATTR_FATTR_CHANGE; |
1da177e4 | 2911 | } |
3110ff80 | 2912 | dprintk("%s: change attribute=%Lu\n", __func__, |
1da177e4 | 2913 | (unsigned long long)*change); |
409924e4 | 2914 | return ret; |
c0eae66e BH |
2915 | out_overflow: |
2916 | print_overflow_msg(__func__, xdr); | |
2917 | return -EIO; | |
1da177e4 LT |
2918 | } |
2919 | ||
2920 | static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *size) | |
2921 | { | |
8687b63a | 2922 | __be32 *p; |
409924e4 | 2923 | int ret = 0; |
1da177e4 LT |
2924 | |
2925 | *size = 0; | |
2926 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SIZE - 1U))) | |
2927 | return -EIO; | |
2928 | if (likely(bitmap[0] & FATTR4_WORD0_SIZE)) { | |
c0eae66e BH |
2929 | p = xdr_inline_decode(xdr, 8); |
2930 | if (unlikely(!p)) | |
2931 | goto out_overflow; | |
cccddf4f | 2932 | xdr_decode_hyper(p, size); |
1da177e4 | 2933 | bitmap[0] &= ~FATTR4_WORD0_SIZE; |
409924e4 | 2934 | ret = NFS_ATTR_FATTR_SIZE; |
1da177e4 | 2935 | } |
3110ff80 | 2936 | dprintk("%s: file size=%Lu\n", __func__, (unsigned long long)*size); |
409924e4 | 2937 | return ret; |
c0eae66e BH |
2938 | out_overflow: |
2939 | print_overflow_msg(__func__, xdr); | |
2940 | return -EIO; | |
1da177e4 LT |
2941 | } |
2942 | ||
2943 | static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
2944 | { | |
8687b63a | 2945 | __be32 *p; |
1da177e4 LT |
2946 | |
2947 | *res = 0; | |
2948 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LINK_SUPPORT - 1U))) | |
2949 | return -EIO; | |
2950 | if (likely(bitmap[0] & FATTR4_WORD0_LINK_SUPPORT)) { | |
c0eae66e BH |
2951 | p = xdr_inline_decode(xdr, 4); |
2952 | if (unlikely(!p)) | |
2953 | goto out_overflow; | |
cccddf4f | 2954 | *res = be32_to_cpup(p); |
1da177e4 LT |
2955 | bitmap[0] &= ~FATTR4_WORD0_LINK_SUPPORT; |
2956 | } | |
3110ff80 | 2957 | dprintk("%s: link support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 | 2958 | return 0; |
c0eae66e BH |
2959 | out_overflow: |
2960 | print_overflow_msg(__func__, xdr); | |
2961 | return -EIO; | |
1da177e4 LT |
2962 | } |
2963 | ||
2964 | static int decode_attr_symlink_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
2965 | { | |
8687b63a | 2966 | __be32 *p; |
1da177e4 LT |
2967 | |
2968 | *res = 0; | |
2969 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SYMLINK_SUPPORT - 1U))) | |
2970 | return -EIO; | |
2971 | if (likely(bitmap[0] & FATTR4_WORD0_SYMLINK_SUPPORT)) { | |
c0eae66e BH |
2972 | p = xdr_inline_decode(xdr, 4); |
2973 | if (unlikely(!p)) | |
2974 | goto out_overflow; | |
cccddf4f | 2975 | *res = be32_to_cpup(p); |
1da177e4 LT |
2976 | bitmap[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT; |
2977 | } | |
3110ff80 | 2978 | dprintk("%s: symlink support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 | 2979 | return 0; |
c0eae66e BH |
2980 | out_overflow: |
2981 | print_overflow_msg(__func__, xdr); | |
2982 | return -EIO; | |
1da177e4 LT |
2983 | } |
2984 | ||
8b4bdcf8 | 2985 | static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fsid *fsid) |
1da177e4 | 2986 | { |
8687b63a | 2987 | __be32 *p; |
409924e4 | 2988 | int ret = 0; |
1da177e4 LT |
2989 | |
2990 | fsid->major = 0; | |
2991 | fsid->minor = 0; | |
2992 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FSID - 1U))) | |
2993 | return -EIO; | |
2994 | if (likely(bitmap[0] & FATTR4_WORD0_FSID)) { | |
c0eae66e BH |
2995 | p = xdr_inline_decode(xdr, 16); |
2996 | if (unlikely(!p)) | |
2997 | goto out_overflow; | |
3ceb4dbb | 2998 | p = xdr_decode_hyper(p, &fsid->major); |
cccddf4f | 2999 | xdr_decode_hyper(p, &fsid->minor); |
1da177e4 | 3000 | bitmap[0] &= ~FATTR4_WORD0_FSID; |
409924e4 | 3001 | ret = NFS_ATTR_FATTR_FSID; |
1da177e4 | 3002 | } |
3110ff80 | 3003 | dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __func__, |
1da177e4 LT |
3004 | (unsigned long long)fsid->major, |
3005 | (unsigned long long)fsid->minor); | |
409924e4 | 3006 | return ret; |
c0eae66e BH |
3007 | out_overflow: |
3008 | print_overflow_msg(__func__, xdr); | |
3009 | return -EIO; | |
1da177e4 LT |
3010 | } |
3011 | ||
3012 | static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3013 | { | |
8687b63a | 3014 | __be32 *p; |
1da177e4 LT |
3015 | |
3016 | *res = 60; | |
3017 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LEASE_TIME - 1U))) | |
3018 | return -EIO; | |
3019 | if (likely(bitmap[0] & FATTR4_WORD0_LEASE_TIME)) { | |
c0eae66e BH |
3020 | p = xdr_inline_decode(xdr, 4); |
3021 | if (unlikely(!p)) | |
3022 | goto out_overflow; | |
cccddf4f | 3023 | *res = be32_to_cpup(p); |
1da177e4 LT |
3024 | bitmap[0] &= ~FATTR4_WORD0_LEASE_TIME; |
3025 | } | |
3110ff80 | 3026 | dprintk("%s: file size=%u\n", __func__, (unsigned int)*res); |
1da177e4 | 3027 | return 0; |
c0eae66e BH |
3028 | out_overflow: |
3029 | print_overflow_msg(__func__, xdr); | |
3030 | return -EIO; | |
1da177e4 LT |
3031 | } |
3032 | ||
ae42c70a BS |
3033 | static int decode_attr_error(struct xdr_stream *xdr, uint32_t *bitmap) |
3034 | { | |
3035 | __be32 *p; | |
3036 | ||
3037 | if (unlikely(bitmap[0] & (FATTR4_WORD0_RDATTR_ERROR - 1U))) | |
3038 | return -EIO; | |
3039 | if (likely(bitmap[0] & FATTR4_WORD0_RDATTR_ERROR)) { | |
3040 | p = xdr_inline_decode(xdr, 4); | |
3041 | if (unlikely(!p)) | |
3042 | goto out_overflow; | |
3043 | bitmap[0] &= ~FATTR4_WORD0_RDATTR_ERROR; | |
7ebb9315 | 3044 | return -be32_to_cpup(p); |
ae42c70a BS |
3045 | } |
3046 | return 0; | |
3047 | out_overflow: | |
3048 | print_overflow_msg(__func__, xdr); | |
3049 | return -EIO; | |
3050 | } | |
3051 | ||
3052 | static int decode_attr_filehandle(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fh *fh) | |
3053 | { | |
3054 | __be32 *p; | |
3055 | int len; | |
3056 | ||
7ad07353 TM |
3057 | if (fh != NULL) |
3058 | memset(fh, 0, sizeof(*fh)); | |
ae42c70a BS |
3059 | |
3060 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEHANDLE - 1U))) | |
3061 | return -EIO; | |
3062 | if (likely(bitmap[0] & FATTR4_WORD0_FILEHANDLE)) { | |
3063 | p = xdr_inline_decode(xdr, 4); | |
3064 | if (unlikely(!p)) | |
3065 | goto out_overflow; | |
3066 | len = be32_to_cpup(p); | |
3067 | if (len > NFS4_FHSIZE) | |
3068 | return -EIO; | |
ae42c70a BS |
3069 | p = xdr_inline_decode(xdr, len); |
3070 | if (unlikely(!p)) | |
3071 | goto out_overflow; | |
7ad07353 TM |
3072 | if (fh != NULL) { |
3073 | memcpy(fh->data, p, len); | |
3074 | fh->size = len; | |
3075 | } | |
ae42c70a BS |
3076 | bitmap[0] &= ~FATTR4_WORD0_FILEHANDLE; |
3077 | } | |
3078 | return 0; | |
3079 | out_overflow: | |
3080 | print_overflow_msg(__func__, xdr); | |
3081 | return -EIO; | |
3082 | } | |
3083 | ||
1da177e4 LT |
3084 | static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) |
3085 | { | |
8687b63a | 3086 | __be32 *p; |
1da177e4 LT |
3087 | |
3088 | *res = ACL4_SUPPORT_ALLOW_ACL|ACL4_SUPPORT_DENY_ACL; | |
3089 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACLSUPPORT - 1U))) | |
3090 | return -EIO; | |
3091 | if (likely(bitmap[0] & FATTR4_WORD0_ACLSUPPORT)) { | |
c0eae66e BH |
3092 | p = xdr_inline_decode(xdr, 4); |
3093 | if (unlikely(!p)) | |
3094 | goto out_overflow; | |
cccddf4f | 3095 | *res = be32_to_cpup(p); |
1da177e4 LT |
3096 | bitmap[0] &= ~FATTR4_WORD0_ACLSUPPORT; |
3097 | } | |
3110ff80 | 3098 | dprintk("%s: ACLs supported=%u\n", __func__, (unsigned int)*res); |
1da177e4 | 3099 | return 0; |
c0eae66e BH |
3100 | out_overflow: |
3101 | print_overflow_msg(__func__, xdr); | |
3102 | return -EIO; | |
1da177e4 LT |
3103 | } |
3104 | ||
3105 | static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) | |
3106 | { | |
8687b63a | 3107 | __be32 *p; |
409924e4 | 3108 | int ret = 0; |
1da177e4 LT |
3109 | |
3110 | *fileid = 0; | |
3111 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEID - 1U))) | |
3112 | return -EIO; | |
3113 | if (likely(bitmap[0] & FATTR4_WORD0_FILEID)) { | |
c0eae66e BH |
3114 | p = xdr_inline_decode(xdr, 8); |
3115 | if (unlikely(!p)) | |
3116 | goto out_overflow; | |
cccddf4f | 3117 | xdr_decode_hyper(p, fileid); |
1da177e4 | 3118 | bitmap[0] &= ~FATTR4_WORD0_FILEID; |
409924e4 | 3119 | ret = NFS_ATTR_FATTR_FILEID; |
1da177e4 | 3120 | } |
3110ff80 | 3121 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
409924e4 | 3122 | return ret; |
c0eae66e BH |
3123 | out_overflow: |
3124 | print_overflow_msg(__func__, xdr); | |
3125 | return -EIO; | |
1da177e4 LT |
3126 | } |
3127 | ||
99baf625 MN |
3128 | static int decode_attr_mounted_on_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) |
3129 | { | |
8687b63a | 3130 | __be32 *p; |
409924e4 | 3131 | int ret = 0; |
99baf625 MN |
3132 | |
3133 | *fileid = 0; | |
3134 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MOUNTED_ON_FILEID - 1U))) | |
3135 | return -EIO; | |
3136 | if (likely(bitmap[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) { | |
c0eae66e BH |
3137 | p = xdr_inline_decode(xdr, 8); |
3138 | if (unlikely(!p)) | |
3139 | goto out_overflow; | |
cccddf4f | 3140 | xdr_decode_hyper(p, fileid); |
99baf625 | 3141 | bitmap[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID; |
28331a46 | 3142 | ret = NFS_ATTR_FATTR_MOUNTED_ON_FILEID; |
99baf625 | 3143 | } |
3110ff80 | 3144 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
409924e4 | 3145 | return ret; |
c0eae66e BH |
3146 | out_overflow: |
3147 | print_overflow_msg(__func__, xdr); | |
3148 | return -EIO; | |
99baf625 MN |
3149 | } |
3150 | ||
1da177e4 LT |
3151 | static int decode_attr_files_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
3152 | { | |
8687b63a | 3153 | __be32 *p; |
1da177e4 LT |
3154 | int status = 0; |
3155 | ||
3156 | *res = 0; | |
3157 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_AVAIL - 1U))) | |
3158 | return -EIO; | |
3159 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_AVAIL)) { | |
c0eae66e BH |
3160 | p = xdr_inline_decode(xdr, 8); |
3161 | if (unlikely(!p)) | |
3162 | goto out_overflow; | |
cccddf4f | 3163 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3164 | bitmap[0] &= ~FATTR4_WORD0_FILES_AVAIL; |
3165 | } | |
3110ff80 | 3166 | dprintk("%s: files avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3167 | return status; |
c0eae66e BH |
3168 | out_overflow: |
3169 | print_overflow_msg(__func__, xdr); | |
3170 | return -EIO; | |
1da177e4 LT |
3171 | } |
3172 | ||
3173 | static int decode_attr_files_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3174 | { | |
8687b63a | 3175 | __be32 *p; |
1da177e4 LT |
3176 | int status = 0; |
3177 | ||
3178 | *res = 0; | |
3179 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_FREE - 1U))) | |
3180 | return -EIO; | |
3181 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_FREE)) { | |
c0eae66e BH |
3182 | p = xdr_inline_decode(xdr, 8); |
3183 | if (unlikely(!p)) | |
3184 | goto out_overflow; | |
cccddf4f | 3185 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3186 | bitmap[0] &= ~FATTR4_WORD0_FILES_FREE; |
3187 | } | |
3110ff80 | 3188 | dprintk("%s: files free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3189 | return status; |
c0eae66e BH |
3190 | out_overflow: |
3191 | print_overflow_msg(__func__, xdr); | |
3192 | return -EIO; | |
1da177e4 LT |
3193 | } |
3194 | ||
3195 | static int decode_attr_files_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3196 | { | |
8687b63a | 3197 | __be32 *p; |
1da177e4 LT |
3198 | int status = 0; |
3199 | ||
3200 | *res = 0; | |
3201 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_TOTAL - 1U))) | |
3202 | return -EIO; | |
3203 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_TOTAL)) { | |
c0eae66e BH |
3204 | p = xdr_inline_decode(xdr, 8); |
3205 | if (unlikely(!p)) | |
3206 | goto out_overflow; | |
cccddf4f | 3207 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3208 | bitmap[0] &= ~FATTR4_WORD0_FILES_TOTAL; |
3209 | } | |
3110ff80 | 3210 | dprintk("%s: files total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3211 | return status; |
c0eae66e BH |
3212 | out_overflow: |
3213 | print_overflow_msg(__func__, xdr); | |
3214 | return -EIO; | |
1da177e4 LT |
3215 | } |
3216 | ||
7aaa0b3b MN |
3217 | static int decode_pathname(struct xdr_stream *xdr, struct nfs4_pathname *path) |
3218 | { | |
464ad6b1 | 3219 | u32 n; |
8687b63a | 3220 | __be32 *p; |
7aaa0b3b MN |
3221 | int status = 0; |
3222 | ||
c0eae66e BH |
3223 | p = xdr_inline_decode(xdr, 4); |
3224 | if (unlikely(!p)) | |
3225 | goto out_overflow; | |
cccddf4f | 3226 | n = be32_to_cpup(p); |
33a43f28 AA |
3227 | if (n == 0) |
3228 | goto root_path; | |
7aaa0b3b MN |
3229 | dprintk("path "); |
3230 | path->ncomponents = 0; | |
3231 | while (path->ncomponents < n) { | |
3232 | struct nfs4_string *component = &path->components[path->ncomponents]; | |
3233 | status = decode_opaque_inline(xdr, &component->len, &component->data); | |
3234 | if (unlikely(status != 0)) | |
3235 | goto out_eio; | |
3236 | if (path->ncomponents != n) | |
3237 | dprintk("/"); | |
3238 | dprintk("%s", component->data); | |
3239 | if (path->ncomponents < NFS4_PATHNAME_MAXCOMPONENTS) | |
3240 | path->ncomponents++; | |
3241 | else { | |
3242 | dprintk("cannot parse %d components in path\n", n); | |
3243 | goto out_eio; | |
3244 | } | |
3245 | } | |
3246 | out: | |
3247 | dprintk("\n"); | |
3248 | return status; | |
33a43f28 AA |
3249 | root_path: |
3250 | /* a root pathname is sent as a zero component4 */ | |
3251 | path->ncomponents = 1; | |
3252 | path->components[0].len=0; | |
3253 | path->components[0].data=NULL; | |
3254 | dprintk("path /\n"); | |
3255 | goto out; | |
7aaa0b3b MN |
3256 | out_eio: |
3257 | dprintk(" status %d", status); | |
3258 | status = -EIO; | |
3259 | goto out; | |
c0eae66e BH |
3260 | out_overflow: |
3261 | print_overflow_msg(__func__, xdr); | |
3262 | return -EIO; | |
7aaa0b3b MN |
3263 | } |
3264 | ||
3265 | static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_fs_locations *res) | |
683b57b4 TM |
3266 | { |
3267 | int n; | |
8687b63a | 3268 | __be32 *p; |
683b57b4 TM |
3269 | int status = -EIO; |
3270 | ||
3271 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FS_LOCATIONS -1U))) | |
3272 | goto out; | |
3273 | status = 0; | |
3274 | if (unlikely(!(bitmap[0] & FATTR4_WORD0_FS_LOCATIONS))) | |
3275 | goto out; | |
3110ff80 | 3276 | dprintk("%s: fsroot ", __func__); |
7aaa0b3b | 3277 | status = decode_pathname(xdr, &res->fs_path); |
683b57b4 TM |
3278 | if (unlikely(status != 0)) |
3279 | goto out; | |
c0eae66e BH |
3280 | p = xdr_inline_decode(xdr, 4); |
3281 | if (unlikely(!p)) | |
3282 | goto out_overflow; | |
cccddf4f | 3283 | n = be32_to_cpup(p); |
683b57b4 TM |
3284 | if (n <= 0) |
3285 | goto out_eio; | |
3286 | res->nlocations = 0; | |
3287 | while (res->nlocations < n) { | |
464ad6b1 | 3288 | u32 m; |
7aaa0b3b | 3289 | struct nfs4_fs_location *loc = &res->locations[res->nlocations]; |
683b57b4 | 3290 | |
c0eae66e BH |
3291 | p = xdr_inline_decode(xdr, 4); |
3292 | if (unlikely(!p)) | |
3293 | goto out_overflow; | |
cccddf4f | 3294 | m = be32_to_cpup(p); |
7aaa0b3b MN |
3295 | |
3296 | loc->nservers = 0; | |
3110ff80 | 3297 | dprintk("%s: servers ", __func__); |
7aaa0b3b MN |
3298 | while (loc->nservers < m) { |
3299 | struct nfs4_string *server = &loc->servers[loc->nservers]; | |
3300 | status = decode_opaque_inline(xdr, &server->len, &server->data); | |
3301 | if (unlikely(status != 0)) | |
3302 | goto out_eio; | |
3303 | dprintk("%s ", server->data); | |
3304 | if (loc->nservers < NFS4_FS_LOCATION_MAXSERVERS) | |
3305 | loc->nservers++; | |
3306 | else { | |
464ad6b1 CL |
3307 | unsigned int i; |
3308 | dprintk("%s: using first %u of %u servers " | |
3309 | "returned for location %u\n", | |
3110ff80 | 3310 | __func__, |
464ad6b1 CL |
3311 | NFS4_FS_LOCATION_MAXSERVERS, |
3312 | m, res->nlocations); | |
7aaa0b3b | 3313 | for (i = loc->nservers; i < m; i++) { |
2e42c3e2 | 3314 | unsigned int len; |
7aaa0b3b MN |
3315 | char *data; |
3316 | status = decode_opaque_inline(xdr, &len, &data); | |
3317 | if (unlikely(status != 0)) | |
3318 | goto out_eio; | |
3319 | } | |
3320 | } | |
3321 | } | |
3322 | status = decode_pathname(xdr, &loc->rootpath); | |
683b57b4 TM |
3323 | if (unlikely(status != 0)) |
3324 | goto out_eio; | |
7aaa0b3b | 3325 | if (res->nlocations < NFS4_FS_LOCATIONS_MAXENTRIES) |
683b57b4 TM |
3326 | res->nlocations++; |
3327 | } | |
409924e4 TM |
3328 | if (res->nlocations != 0) |
3329 | status = NFS_ATTR_FATTR_V4_REFERRAL; | |
683b57b4 | 3330 | out: |
3110ff80 | 3331 | dprintk("%s: fs_locations done, error = %d\n", __func__, status); |
683b57b4 | 3332 | return status; |
c0eae66e BH |
3333 | out_overflow: |
3334 | print_overflow_msg(__func__, xdr); | |
683b57b4 TM |
3335 | out_eio: |
3336 | status = -EIO; | |
3337 | goto out; | |
3338 | } | |
3339 | ||
1da177e4 LT |
3340 | static int decode_attr_maxfilesize(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
3341 | { | |
8687b63a | 3342 | __be32 *p; |
1da177e4 LT |
3343 | int status = 0; |
3344 | ||
3345 | *res = 0; | |
3346 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXFILESIZE - 1U))) | |
3347 | return -EIO; | |
3348 | if (likely(bitmap[0] & FATTR4_WORD0_MAXFILESIZE)) { | |
c0eae66e BH |
3349 | p = xdr_inline_decode(xdr, 8); |
3350 | if (unlikely(!p)) | |
3351 | goto out_overflow; | |
cccddf4f | 3352 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3353 | bitmap[0] &= ~FATTR4_WORD0_MAXFILESIZE; |
3354 | } | |
3110ff80 | 3355 | dprintk("%s: maxfilesize=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3356 | return status; |
c0eae66e BH |
3357 | out_overflow: |
3358 | print_overflow_msg(__func__, xdr); | |
3359 | return -EIO; | |
1da177e4 LT |
3360 | } |
3361 | ||
3362 | static int decode_attr_maxlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxlink) | |
3363 | { | |
8687b63a | 3364 | __be32 *p; |
1da177e4 LT |
3365 | int status = 0; |
3366 | ||
3367 | *maxlink = 1; | |
3368 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXLINK - 1U))) | |
3369 | return -EIO; | |
3370 | if (likely(bitmap[0] & FATTR4_WORD0_MAXLINK)) { | |
c0eae66e BH |
3371 | p = xdr_inline_decode(xdr, 4); |
3372 | if (unlikely(!p)) | |
3373 | goto out_overflow; | |
cccddf4f | 3374 | *maxlink = be32_to_cpup(p); |
1da177e4 LT |
3375 | bitmap[0] &= ~FATTR4_WORD0_MAXLINK; |
3376 | } | |
3110ff80 | 3377 | dprintk("%s: maxlink=%u\n", __func__, *maxlink); |
1da177e4 | 3378 | return status; |
c0eae66e BH |
3379 | out_overflow: |
3380 | print_overflow_msg(__func__, xdr); | |
3381 | return -EIO; | |
1da177e4 LT |
3382 | } |
3383 | ||
3384 | static int decode_attr_maxname(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxname) | |
3385 | { | |
8687b63a | 3386 | __be32 *p; |
1da177e4 LT |
3387 | int status = 0; |
3388 | ||
3389 | *maxname = 1024; | |
3390 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXNAME - 1U))) | |
3391 | return -EIO; | |
3392 | if (likely(bitmap[0] & FATTR4_WORD0_MAXNAME)) { | |
c0eae66e BH |
3393 | p = xdr_inline_decode(xdr, 4); |
3394 | if (unlikely(!p)) | |
3395 | goto out_overflow; | |
cccddf4f | 3396 | *maxname = be32_to_cpup(p); |
1da177e4 LT |
3397 | bitmap[0] &= ~FATTR4_WORD0_MAXNAME; |
3398 | } | |
3110ff80 | 3399 | dprintk("%s: maxname=%u\n", __func__, *maxname); |
1da177e4 | 3400 | return status; |
c0eae66e BH |
3401 | out_overflow: |
3402 | print_overflow_msg(__func__, xdr); | |
3403 | return -EIO; | |
1da177e4 LT |
3404 | } |
3405 | ||
3406 | static int decode_attr_maxread(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3407 | { | |
8687b63a | 3408 | __be32 *p; |
1da177e4 LT |
3409 | int status = 0; |
3410 | ||
3411 | *res = 1024; | |
3412 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXREAD - 1U))) | |
3413 | return -EIO; | |
3414 | if (likely(bitmap[0] & FATTR4_WORD0_MAXREAD)) { | |
3415 | uint64_t maxread; | |
c0eae66e BH |
3416 | p = xdr_inline_decode(xdr, 8); |
3417 | if (unlikely(!p)) | |
3418 | goto out_overflow; | |
cccddf4f | 3419 | xdr_decode_hyper(p, &maxread); |
1da177e4 LT |
3420 | if (maxread > 0x7FFFFFFF) |
3421 | maxread = 0x7FFFFFFF; | |
3422 | *res = (uint32_t)maxread; | |
3423 | bitmap[0] &= ~FATTR4_WORD0_MAXREAD; | |
3424 | } | |
3110ff80 | 3425 | dprintk("%s: maxread=%lu\n", __func__, (unsigned long)*res); |
1da177e4 | 3426 | return status; |
c0eae66e BH |
3427 | out_overflow: |
3428 | print_overflow_msg(__func__, xdr); | |
3429 | return -EIO; | |
1da177e4 LT |
3430 | } |
3431 | ||
3432 | static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3433 | { | |
8687b63a | 3434 | __be32 *p; |
1da177e4 LT |
3435 | int status = 0; |
3436 | ||
3437 | *res = 1024; | |
3438 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXWRITE - 1U))) | |
3439 | return -EIO; | |
3440 | if (likely(bitmap[0] & FATTR4_WORD0_MAXWRITE)) { | |
3441 | uint64_t maxwrite; | |
c0eae66e BH |
3442 | p = xdr_inline_decode(xdr, 8); |
3443 | if (unlikely(!p)) | |
3444 | goto out_overflow; | |
cccddf4f | 3445 | xdr_decode_hyper(p, &maxwrite); |
1da177e4 LT |
3446 | if (maxwrite > 0x7FFFFFFF) |
3447 | maxwrite = 0x7FFFFFFF; | |
3448 | *res = (uint32_t)maxwrite; | |
3449 | bitmap[0] &= ~FATTR4_WORD0_MAXWRITE; | |
3450 | } | |
3110ff80 | 3451 | dprintk("%s: maxwrite=%lu\n", __func__, (unsigned long)*res); |
1da177e4 | 3452 | return status; |
c0eae66e BH |
3453 | out_overflow: |
3454 | print_overflow_msg(__func__, xdr); | |
3455 | return -EIO; | |
1da177e4 LT |
3456 | } |
3457 | ||
bca79478 | 3458 | static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, umode_t *mode) |
1da177e4 | 3459 | { |
bca79478 | 3460 | uint32_t tmp; |
8687b63a | 3461 | __be32 *p; |
409924e4 | 3462 | int ret = 0; |
1da177e4 LT |
3463 | |
3464 | *mode = 0; | |
3465 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MODE - 1U))) | |
3466 | return -EIO; | |
3467 | if (likely(bitmap[1] & FATTR4_WORD1_MODE)) { | |
c0eae66e BH |
3468 | p = xdr_inline_decode(xdr, 4); |
3469 | if (unlikely(!p)) | |
3470 | goto out_overflow; | |
cccddf4f | 3471 | tmp = be32_to_cpup(p); |
bca79478 | 3472 | *mode = tmp & ~S_IFMT; |
1da177e4 | 3473 | bitmap[1] &= ~FATTR4_WORD1_MODE; |
409924e4 | 3474 | ret = NFS_ATTR_FATTR_MODE; |
1da177e4 | 3475 | } |
3110ff80 | 3476 | dprintk("%s: file mode=0%o\n", __func__, (unsigned int)*mode); |
409924e4 | 3477 | return ret; |
c0eae66e BH |
3478 | out_overflow: |
3479 | print_overflow_msg(__func__, xdr); | |
3480 | return -EIO; | |
1da177e4 LT |
3481 | } |
3482 | ||
3483 | static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *nlink) | |
3484 | { | |
8687b63a | 3485 | __be32 *p; |
409924e4 | 3486 | int ret = 0; |
1da177e4 LT |
3487 | |
3488 | *nlink = 1; | |
3489 | if (unlikely(bitmap[1] & (FATTR4_WORD1_NUMLINKS - 1U))) | |
3490 | return -EIO; | |
3491 | if (likely(bitmap[1] & FATTR4_WORD1_NUMLINKS)) { | |
c0eae66e BH |
3492 | p = xdr_inline_decode(xdr, 4); |
3493 | if (unlikely(!p)) | |
3494 | goto out_overflow; | |
cccddf4f | 3495 | *nlink = be32_to_cpup(p); |
1da177e4 | 3496 | bitmap[1] &= ~FATTR4_WORD1_NUMLINKS; |
409924e4 | 3497 | ret = NFS_ATTR_FATTR_NLINK; |
1da177e4 | 3498 | } |
3110ff80 | 3499 | dprintk("%s: nlink=%u\n", __func__, (unsigned int)*nlink); |
409924e4 | 3500 | return ret; |
c0eae66e BH |
3501 | out_overflow: |
3502 | print_overflow_msg(__func__, xdr); | |
3503 | return -EIO; | |
1da177e4 LT |
3504 | } |
3505 | ||
80e52ace | 3506 | static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, |
e4fd72a1 | 3507 | const struct nfs_server *server, uint32_t *uid, int may_sleep) |
1da177e4 | 3508 | { |
8687b63a AV |
3509 | uint32_t len; |
3510 | __be32 *p; | |
409924e4 | 3511 | int ret = 0; |
1da177e4 LT |
3512 | |
3513 | *uid = -2; | |
3514 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER - 1U))) | |
3515 | return -EIO; | |
3516 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER)) { | |
c0eae66e BH |
3517 | p = xdr_inline_decode(xdr, 4); |
3518 | if (unlikely(!p)) | |
3519 | goto out_overflow; | |
cccddf4f | 3520 | len = be32_to_cpup(p); |
c0eae66e BH |
3521 | p = xdr_inline_decode(xdr, len); |
3522 | if (unlikely(!p)) | |
3523 | goto out_overflow; | |
80e52ace TM |
3524 | if (!may_sleep) { |
3525 | /* do nothing */ | |
3526 | } else if (len < XDR_MAX_NETOBJ) { | |
e4fd72a1 | 3527 | if (nfs_map_name_to_uid(server, (char *)p, len, uid) == 0) |
409924e4 TM |
3528 | ret = NFS_ATTR_FATTR_OWNER; |
3529 | else | |
1da177e4 | 3530 | dprintk("%s: nfs_map_name_to_uid failed!\n", |
3110ff80 | 3531 | __func__); |
1da177e4 | 3532 | } else |
fe82a183 | 3533 | dprintk("%s: name too long (%u)!\n", |
3110ff80 | 3534 | __func__, len); |
1da177e4 LT |
3535 | bitmap[1] &= ~FATTR4_WORD1_OWNER; |
3536 | } | |
3110ff80 | 3537 | dprintk("%s: uid=%d\n", __func__, (int)*uid); |
409924e4 | 3538 | return ret; |
c0eae66e BH |
3539 | out_overflow: |
3540 | print_overflow_msg(__func__, xdr); | |
3541 | return -EIO; | |
1da177e4 LT |
3542 | } |
3543 | ||
80e52ace | 3544 | static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, |
e4fd72a1 | 3545 | const struct nfs_server *server, uint32_t *gid, int may_sleep) |
1da177e4 | 3546 | { |
8687b63a AV |
3547 | uint32_t len; |
3548 | __be32 *p; | |
409924e4 | 3549 | int ret = 0; |
1da177e4 LT |
3550 | |
3551 | *gid = -2; | |
3552 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER_GROUP - 1U))) | |
3553 | return -EIO; | |
3554 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER_GROUP)) { | |
c0eae66e BH |
3555 | p = xdr_inline_decode(xdr, 4); |
3556 | if (unlikely(!p)) | |
3557 | goto out_overflow; | |
cccddf4f | 3558 | len = be32_to_cpup(p); |
c0eae66e BH |
3559 | p = xdr_inline_decode(xdr, len); |
3560 | if (unlikely(!p)) | |
3561 | goto out_overflow; | |
80e52ace TM |
3562 | if (!may_sleep) { |
3563 | /* do nothing */ | |
3564 | } else if (len < XDR_MAX_NETOBJ) { | |
e4fd72a1 | 3565 | if (nfs_map_group_to_gid(server, (char *)p, len, gid) == 0) |
409924e4 TM |
3566 | ret = NFS_ATTR_FATTR_GROUP; |
3567 | else | |
1da177e4 | 3568 | dprintk("%s: nfs_map_group_to_gid failed!\n", |
3110ff80 | 3569 | __func__); |
1da177e4 | 3570 | } else |
fe82a183 | 3571 | dprintk("%s: name too long (%u)!\n", |
3110ff80 | 3572 | __func__, len); |
1da177e4 LT |
3573 | bitmap[1] &= ~FATTR4_WORD1_OWNER_GROUP; |
3574 | } | |
3110ff80 | 3575 | dprintk("%s: gid=%d\n", __func__, (int)*gid); |
409924e4 | 3576 | return ret; |
c0eae66e BH |
3577 | out_overflow: |
3578 | print_overflow_msg(__func__, xdr); | |
3579 | return -EIO; | |
1da177e4 LT |
3580 | } |
3581 | ||
3582 | static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rdev) | |
3583 | { | |
8687b63a AV |
3584 | uint32_t major = 0, minor = 0; |
3585 | __be32 *p; | |
409924e4 | 3586 | int ret = 0; |
1da177e4 LT |
3587 | |
3588 | *rdev = MKDEV(0,0); | |
3589 | if (unlikely(bitmap[1] & (FATTR4_WORD1_RAWDEV - 1U))) | |
3590 | return -EIO; | |
3591 | if (likely(bitmap[1] & FATTR4_WORD1_RAWDEV)) { | |
3592 | dev_t tmp; | |
3593 | ||
c0eae66e BH |
3594 | p = xdr_inline_decode(xdr, 8); |
3595 | if (unlikely(!p)) | |
3596 | goto out_overflow; | |
6f723f77 | 3597 | major = be32_to_cpup(p++); |
cccddf4f | 3598 | minor = be32_to_cpup(p); |
1da177e4 LT |
3599 | tmp = MKDEV(major, minor); |
3600 | if (MAJOR(tmp) == major && MINOR(tmp) == minor) | |
3601 | *rdev = tmp; | |
3602 | bitmap[1] &= ~ FATTR4_WORD1_RAWDEV; | |
409924e4 | 3603 | ret = NFS_ATTR_FATTR_RDEV; |
1da177e4 | 3604 | } |
3110ff80 | 3605 | dprintk("%s: rdev=(0x%x:0x%x)\n", __func__, major, minor); |
409924e4 | 3606 | return ret; |
c0eae66e BH |
3607 | out_overflow: |
3608 | print_overflow_msg(__func__, xdr); | |
3609 | return -EIO; | |
1da177e4 LT |
3610 | } |
3611 | ||
3612 | static int decode_attr_space_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3613 | { | |
8687b63a | 3614 | __be32 *p; |
1da177e4 LT |
3615 | int status = 0; |
3616 | ||
3617 | *res = 0; | |
3618 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_AVAIL - 1U))) | |
3619 | return -EIO; | |
3620 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_AVAIL)) { | |
c0eae66e BH |
3621 | p = xdr_inline_decode(xdr, 8); |
3622 | if (unlikely(!p)) | |
3623 | goto out_overflow; | |
cccddf4f | 3624 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3625 | bitmap[1] &= ~FATTR4_WORD1_SPACE_AVAIL; |
3626 | } | |
3110ff80 | 3627 | dprintk("%s: space avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3628 | return status; |
c0eae66e BH |
3629 | out_overflow: |
3630 | print_overflow_msg(__func__, xdr); | |
3631 | return -EIO; | |
1da177e4 LT |
3632 | } |
3633 | ||
3634 | static int decode_attr_space_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3635 | { | |
8687b63a | 3636 | __be32 *p; |
1da177e4 LT |
3637 | int status = 0; |
3638 | ||
3639 | *res = 0; | |
3640 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_FREE - 1U))) | |
3641 | return -EIO; | |
3642 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_FREE)) { | |
c0eae66e BH |
3643 | p = xdr_inline_decode(xdr, 8); |
3644 | if (unlikely(!p)) | |
3645 | goto out_overflow; | |
cccddf4f | 3646 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3647 | bitmap[1] &= ~FATTR4_WORD1_SPACE_FREE; |
3648 | } | |
3110ff80 | 3649 | dprintk("%s: space free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3650 | return status; |
c0eae66e BH |
3651 | out_overflow: |
3652 | print_overflow_msg(__func__, xdr); | |
3653 | return -EIO; | |
1da177e4 LT |
3654 | } |
3655 | ||
3656 | static int decode_attr_space_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3657 | { | |
8687b63a | 3658 | __be32 *p; |
1da177e4 LT |
3659 | int status = 0; |
3660 | ||
3661 | *res = 0; | |
3662 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_TOTAL - 1U))) | |
3663 | return -EIO; | |
3664 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_TOTAL)) { | |
c0eae66e BH |
3665 | p = xdr_inline_decode(xdr, 8); |
3666 | if (unlikely(!p)) | |
3667 | goto out_overflow; | |
cccddf4f | 3668 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3669 | bitmap[1] &= ~FATTR4_WORD1_SPACE_TOTAL; |
3670 | } | |
3110ff80 | 3671 | dprintk("%s: space total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3672 | return status; |
c0eae66e BH |
3673 | out_overflow: |
3674 | print_overflow_msg(__func__, xdr); | |
3675 | return -EIO; | |
1da177e4 LT |
3676 | } |
3677 | ||
3678 | static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *used) | |
3679 | { | |
8687b63a | 3680 | __be32 *p; |
409924e4 | 3681 | int ret = 0; |
1da177e4 LT |
3682 | |
3683 | *used = 0; | |
3684 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_USED - 1U))) | |
3685 | return -EIO; | |
3686 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_USED)) { | |
c0eae66e BH |
3687 | p = xdr_inline_decode(xdr, 8); |
3688 | if (unlikely(!p)) | |
3689 | goto out_overflow; | |
cccddf4f | 3690 | xdr_decode_hyper(p, used); |
1da177e4 | 3691 | bitmap[1] &= ~FATTR4_WORD1_SPACE_USED; |
409924e4 | 3692 | ret = NFS_ATTR_FATTR_SPACE_USED; |
1da177e4 | 3693 | } |
3110ff80 | 3694 | dprintk("%s: space used=%Lu\n", __func__, |
1da177e4 | 3695 | (unsigned long long)*used); |
409924e4 | 3696 | return ret; |
c0eae66e BH |
3697 | out_overflow: |
3698 | print_overflow_msg(__func__, xdr); | |
3699 | return -EIO; | |
1da177e4 LT |
3700 | } |
3701 | ||
3702 | static int decode_attr_time(struct xdr_stream *xdr, struct timespec *time) | |
3703 | { | |
8687b63a | 3704 | __be32 *p; |
1da177e4 LT |
3705 | uint64_t sec; |
3706 | uint32_t nsec; | |
3707 | ||
c0eae66e BH |
3708 | p = xdr_inline_decode(xdr, 12); |
3709 | if (unlikely(!p)) | |
3710 | goto out_overflow; | |
3ceb4dbb | 3711 | p = xdr_decode_hyper(p, &sec); |
cccddf4f | 3712 | nsec = be32_to_cpup(p); |
1da177e4 LT |
3713 | time->tv_sec = (time_t)sec; |
3714 | time->tv_nsec = (long)nsec; | |
3715 | return 0; | |
c0eae66e BH |
3716 | out_overflow: |
3717 | print_overflow_msg(__func__, xdr); | |
3718 | return -EIO; | |
1da177e4 LT |
3719 | } |
3720 | ||
3721 | static int decode_attr_time_access(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
3722 | { | |
3723 | int status = 0; | |
3724 | ||
3725 | time->tv_sec = 0; | |
3726 | time->tv_nsec = 0; | |
3727 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_ACCESS - 1U))) | |
3728 | return -EIO; | |
3729 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_ACCESS)) { | |
3730 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
3731 | if (status == 0) |
3732 | status = NFS_ATTR_FATTR_ATIME; | |
1da177e4 LT |
3733 | bitmap[1] &= ~FATTR4_WORD1_TIME_ACCESS; |
3734 | } | |
3110ff80 | 3735 | dprintk("%s: atime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
3736 | return status; |
3737 | } | |
3738 | ||
3739 | static int decode_attr_time_metadata(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
3740 | { | |
3741 | int status = 0; | |
3742 | ||
3743 | time->tv_sec = 0; | |
3744 | time->tv_nsec = 0; | |
3745 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_METADATA - 1U))) | |
3746 | return -EIO; | |
3747 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_METADATA)) { | |
3748 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
3749 | if (status == 0) |
3750 | status = NFS_ATTR_FATTR_CTIME; | |
1da177e4 LT |
3751 | bitmap[1] &= ~FATTR4_WORD1_TIME_METADATA; |
3752 | } | |
3110ff80 | 3753 | dprintk("%s: ctime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
3754 | return status; |
3755 | } | |
3756 | ||
55b6e774 RL |
3757 | static int decode_attr_time_delta(struct xdr_stream *xdr, uint32_t *bitmap, |
3758 | struct timespec *time) | |
3759 | { | |
3760 | int status = 0; | |
3761 | ||
3762 | time->tv_sec = 0; | |
3763 | time->tv_nsec = 0; | |
3764 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_DELTA - 1U))) | |
3765 | return -EIO; | |
3766 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_DELTA)) { | |
3767 | status = decode_attr_time(xdr, time); | |
3768 | bitmap[1] &= ~FATTR4_WORD1_TIME_DELTA; | |
3769 | } | |
3770 | dprintk("%s: time_delta=%ld %ld\n", __func__, (long)time->tv_sec, | |
3771 | (long)time->tv_nsec); | |
3772 | return status; | |
3773 | } | |
3774 | ||
1da177e4 LT |
3775 | static int decode_attr_time_modify(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) |
3776 | { | |
3777 | int status = 0; | |
3778 | ||
3779 | time->tv_sec = 0; | |
3780 | time->tv_nsec = 0; | |
3781 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_MODIFY - 1U))) | |
3782 | return -EIO; | |
3783 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_MODIFY)) { | |
3784 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
3785 | if (status == 0) |
3786 | status = NFS_ATTR_FATTR_MTIME; | |
1da177e4 LT |
3787 | bitmap[1] &= ~FATTR4_WORD1_TIME_MODIFY; |
3788 | } | |
3110ff80 | 3789 | dprintk("%s: mtime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
3790 | return status; |
3791 | } | |
3792 | ||
8687b63a | 3793 | static int verify_attr_len(struct xdr_stream *xdr, __be32 *savep, uint32_t attrlen) |
1da177e4 LT |
3794 | { |
3795 | unsigned int attrwords = XDR_QUADLEN(attrlen); | |
3796 | unsigned int nwords = xdr->p - savep; | |
3797 | ||
3798 | if (unlikely(attrwords != nwords)) { | |
fe82a183 CL |
3799 | dprintk("%s: server returned incorrect attribute length: " |
3800 | "%u %c %u\n", | |
3110ff80 | 3801 | __func__, |
1da177e4 LT |
3802 | attrwords << 2, |
3803 | (attrwords < nwords) ? '<' : '>', | |
3804 | nwords << 2); | |
3805 | return -EIO; | |
3806 | } | |
3807 | return 0; | |
3808 | } | |
3809 | ||
3810 | static int decode_change_info(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
3811 | { | |
8687b63a | 3812 | __be32 *p; |
1da177e4 | 3813 | |
c0eae66e BH |
3814 | p = xdr_inline_decode(xdr, 20); |
3815 | if (unlikely(!p)) | |
3816 | goto out_overflow; | |
6f723f77 | 3817 | cinfo->atomic = be32_to_cpup(p++); |
3ceb4dbb | 3818 | p = xdr_decode_hyper(p, &cinfo->before); |
cccddf4f | 3819 | xdr_decode_hyper(p, &cinfo->after); |
1da177e4 | 3820 | return 0; |
c0eae66e BH |
3821 | out_overflow: |
3822 | print_overflow_msg(__func__, xdr); | |
3823 | return -EIO; | |
1da177e4 LT |
3824 | } |
3825 | ||
3826 | static int decode_access(struct xdr_stream *xdr, struct nfs4_accessres *access) | |
3827 | { | |
8687b63a | 3828 | __be32 *p; |
1da177e4 LT |
3829 | uint32_t supp, acc; |
3830 | int status; | |
3831 | ||
3832 | status = decode_op_hdr(xdr, OP_ACCESS); | |
3833 | if (status) | |
3834 | return status; | |
c0eae66e BH |
3835 | p = xdr_inline_decode(xdr, 8); |
3836 | if (unlikely(!p)) | |
3837 | goto out_overflow; | |
6f723f77 | 3838 | supp = be32_to_cpup(p++); |
cccddf4f | 3839 | acc = be32_to_cpup(p); |
1da177e4 LT |
3840 | access->supported = supp; |
3841 | access->access = acc; | |
3842 | return 0; | |
c0eae66e BH |
3843 | out_overflow: |
3844 | print_overflow_msg(__func__, xdr); | |
3845 | return -EIO; | |
1da177e4 LT |
3846 | } |
3847 | ||
07d30434 | 3848 | static int decode_opaque_fixed(struct xdr_stream *xdr, void *buf, size_t len) |
1da177e4 | 3849 | { |
8687b63a | 3850 | __be32 *p; |
07d30434 BH |
3851 | |
3852 | p = xdr_inline_decode(xdr, len); | |
3853 | if (likely(p)) { | |
3854 | memcpy(buf, p, len); | |
3855 | return 0; | |
3856 | } | |
3857 | print_overflow_msg(__func__, xdr); | |
3858 | return -EIO; | |
3859 | } | |
3860 | ||
3861 | static int decode_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) | |
3862 | { | |
3863 | return decode_opaque_fixed(xdr, stateid->data, NFS4_STATEID_SIZE); | |
3864 | } | |
3865 | ||
3866 | static int decode_close(struct xdr_stream *xdr, struct nfs_closeres *res) | |
3867 | { | |
1da177e4 LT |
3868 | int status; |
3869 | ||
3870 | status = decode_op_hdr(xdr, OP_CLOSE); | |
c1d51931 TM |
3871 | if (status != -EIO) |
3872 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
3873 | if (!status) |
3874 | status = decode_stateid(xdr, &res->stateid); | |
3875 | return status; | |
1da177e4 LT |
3876 | } |
3877 | ||
db942bbd BH |
3878 | static int decode_verifier(struct xdr_stream *xdr, void *verifier) |
3879 | { | |
3880 | return decode_opaque_fixed(xdr, verifier, 8); | |
1da177e4 LT |
3881 | } |
3882 | ||
3883 | static int decode_commit(struct xdr_stream *xdr, struct nfs_writeres *res) | |
3884 | { | |
1da177e4 LT |
3885 | int status; |
3886 | ||
3887 | status = decode_op_hdr(xdr, OP_COMMIT); | |
db942bbd BH |
3888 | if (!status) |
3889 | status = decode_verifier(xdr, res->verf->verifier); | |
3890 | return status; | |
1da177e4 LT |
3891 | } |
3892 | ||
3893 | static int decode_create(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
3894 | { | |
8687b63a | 3895 | __be32 *p; |
1da177e4 LT |
3896 | uint32_t bmlen; |
3897 | int status; | |
3898 | ||
3899 | status = decode_op_hdr(xdr, OP_CREATE); | |
3900 | if (status) | |
3901 | return status; | |
3902 | if ((status = decode_change_info(xdr, cinfo))) | |
3903 | return status; | |
c0eae66e BH |
3904 | p = xdr_inline_decode(xdr, 4); |
3905 | if (unlikely(!p)) | |
3906 | goto out_overflow; | |
cccddf4f | 3907 | bmlen = be32_to_cpup(p); |
c0eae66e BH |
3908 | p = xdr_inline_decode(xdr, bmlen << 2); |
3909 | if (likely(p)) | |
3910 | return 0; | |
3911 | out_overflow: | |
3912 | print_overflow_msg(__func__, xdr); | |
3913 | return -EIO; | |
1da177e4 LT |
3914 | } |
3915 | ||
3916 | static int decode_server_caps(struct xdr_stream *xdr, struct nfs4_server_caps_res *res) | |
3917 | { | |
8687b63a | 3918 | __be32 *savep; |
6c0195a4 | 3919 | uint32_t attrlen, bitmap[2] = {0}; |
1da177e4 LT |
3920 | int status; |
3921 | ||
3922 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
3923 | goto xdr_error; | |
3924 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
3925 | goto xdr_error; | |
3926 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
3927 | goto xdr_error; | |
3928 | if ((status = decode_attr_supported(xdr, bitmap, res->attr_bitmask)) != 0) | |
3929 | goto xdr_error; | |
3930 | if ((status = decode_attr_link_support(xdr, bitmap, &res->has_links)) != 0) | |
3931 | goto xdr_error; | |
3932 | if ((status = decode_attr_symlink_support(xdr, bitmap, &res->has_symlinks)) != 0) | |
3933 | goto xdr_error; | |
3934 | if ((status = decode_attr_aclsupport(xdr, bitmap, &res->acl_bitmask)) != 0) | |
3935 | goto xdr_error; | |
3936 | status = verify_attr_len(xdr, savep, attrlen); | |
3937 | xdr_error: | |
3110ff80 | 3938 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
3939 | return status; |
3940 | } | |
6c0195a4 | 3941 | |
1da177e4 LT |
3942 | static int decode_statfs(struct xdr_stream *xdr, struct nfs_fsstat *fsstat) |
3943 | { | |
8687b63a | 3944 | __be32 *savep; |
6c0195a4 | 3945 | uint32_t attrlen, bitmap[2] = {0}; |
1da177e4 | 3946 | int status; |
6c0195a4 | 3947 | |
1da177e4 LT |
3948 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
3949 | goto xdr_error; | |
3950 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
3951 | goto xdr_error; | |
3952 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
3953 | goto xdr_error; | |
3954 | ||
3955 | if ((status = decode_attr_files_avail(xdr, bitmap, &fsstat->afiles)) != 0) | |
3956 | goto xdr_error; | |
3957 | if ((status = decode_attr_files_free(xdr, bitmap, &fsstat->ffiles)) != 0) | |
3958 | goto xdr_error; | |
3959 | if ((status = decode_attr_files_total(xdr, bitmap, &fsstat->tfiles)) != 0) | |
3960 | goto xdr_error; | |
3961 | if ((status = decode_attr_space_avail(xdr, bitmap, &fsstat->abytes)) != 0) | |
3962 | goto xdr_error; | |
3963 | if ((status = decode_attr_space_free(xdr, bitmap, &fsstat->fbytes)) != 0) | |
3964 | goto xdr_error; | |
3965 | if ((status = decode_attr_space_total(xdr, bitmap, &fsstat->tbytes)) != 0) | |
3966 | goto xdr_error; | |
3967 | ||
3968 | status = verify_attr_len(xdr, savep, attrlen); | |
3969 | xdr_error: | |
3110ff80 | 3970 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
3971 | return status; |
3972 | } | |
3973 | ||
3974 | static int decode_pathconf(struct xdr_stream *xdr, struct nfs_pathconf *pathconf) | |
3975 | { | |
8687b63a | 3976 | __be32 *savep; |
6c0195a4 | 3977 | uint32_t attrlen, bitmap[2] = {0}; |
1da177e4 | 3978 | int status; |
6c0195a4 | 3979 | |
1da177e4 LT |
3980 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
3981 | goto xdr_error; | |
3982 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
3983 | goto xdr_error; | |
3984 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
3985 | goto xdr_error; | |
3986 | ||
3987 | if ((status = decode_attr_maxlink(xdr, bitmap, &pathconf->max_link)) != 0) | |
3988 | goto xdr_error; | |
3989 | if ((status = decode_attr_maxname(xdr, bitmap, &pathconf->max_namelen)) != 0) | |
3990 | goto xdr_error; | |
3991 | ||
3992 | status = verify_attr_len(xdr, savep, attrlen); | |
3993 | xdr_error: | |
3110ff80 | 3994 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
3995 | return status; |
3996 | } | |
3997 | ||
ae42c70a BS |
3998 | static int decode_getfattr_attrs(struct xdr_stream *xdr, uint32_t *bitmap, |
3999 | struct nfs_fattr *fattr, struct nfs_fh *fh, | |
80e52ace | 4000 | const struct nfs_server *server, int may_sleep) |
1da177e4 | 4001 | { |
bca79478 TM |
4002 | int status; |
4003 | umode_t fmode = 0; | |
ae42c70a | 4004 | uint32_t type; |
1da177e4 | 4005 | |
f26c7a78 TM |
4006 | status = decode_attr_type(xdr, bitmap, &type); |
4007 | if (status < 0) | |
1da177e4 | 4008 | goto xdr_error; |
409924e4 TM |
4009 | fattr->mode = 0; |
4010 | if (status != 0) { | |
4011 | fattr->mode |= nfs_type2fmt[type]; | |
4012 | fattr->valid |= status; | |
4013 | } | |
1da177e4 | 4014 | |
f26c7a78 TM |
4015 | status = decode_attr_change(xdr, bitmap, &fattr->change_attr); |
4016 | if (status < 0) | |
1da177e4 | 4017 | goto xdr_error; |
409924e4 | 4018 | fattr->valid |= status; |
f26c7a78 TM |
4019 | |
4020 | status = decode_attr_size(xdr, bitmap, &fattr->size); | |
4021 | if (status < 0) | |
1da177e4 | 4022 | goto xdr_error; |
409924e4 | 4023 | fattr->valid |= status; |
f26c7a78 TM |
4024 | |
4025 | status = decode_attr_fsid(xdr, bitmap, &fattr->fsid); | |
4026 | if (status < 0) | |
1da177e4 | 4027 | goto xdr_error; |
409924e4 | 4028 | fattr->valid |= status; |
f26c7a78 | 4029 | |
ae42c70a | 4030 | status = decode_attr_error(xdr, bitmap); |
7ebb9315 BS |
4031 | if (status == -NFS4ERR_WRONGSEC) { |
4032 | nfs_fixup_secinfo_attributes(fattr, fh); | |
4033 | status = 0; | |
4034 | } | |
ae42c70a BS |
4035 | if (status < 0) |
4036 | goto xdr_error; | |
4037 | ||
4038 | status = decode_attr_filehandle(xdr, bitmap, fh); | |
4039 | if (status < 0) | |
4040 | goto xdr_error; | |
4041 | ||
f26c7a78 TM |
4042 | status = decode_attr_fileid(xdr, bitmap, &fattr->fileid); |
4043 | if (status < 0) | |
1da177e4 | 4044 | goto xdr_error; |
409924e4 | 4045 | fattr->valid |= status; |
f26c7a78 TM |
4046 | |
4047 | status = decode_attr_fs_locations(xdr, bitmap, container_of(fattr, | |
7aaa0b3b | 4048 | struct nfs4_fs_locations, |
f26c7a78 TM |
4049 | fattr)); |
4050 | if (status < 0) | |
683b57b4 | 4051 | goto xdr_error; |
409924e4 | 4052 | fattr->valid |= status; |
f26c7a78 TM |
4053 | |
4054 | status = decode_attr_mode(xdr, bitmap, &fmode); | |
4055 | if (status < 0) | |
1da177e4 | 4056 | goto xdr_error; |
409924e4 TM |
4057 | if (status != 0) { |
4058 | fattr->mode |= fmode; | |
4059 | fattr->valid |= status; | |
4060 | } | |
f26c7a78 TM |
4061 | |
4062 | status = decode_attr_nlink(xdr, bitmap, &fattr->nlink); | |
4063 | if (status < 0) | |
1da177e4 | 4064 | goto xdr_error; |
409924e4 | 4065 | fattr->valid |= status; |
f26c7a78 | 4066 | |
e4fd72a1 | 4067 | status = decode_attr_owner(xdr, bitmap, server, &fattr->uid, may_sleep); |
f26c7a78 | 4068 | if (status < 0) |
1da177e4 | 4069 | goto xdr_error; |
409924e4 | 4070 | fattr->valid |= status; |
f26c7a78 | 4071 | |
e4fd72a1 | 4072 | status = decode_attr_group(xdr, bitmap, server, &fattr->gid, may_sleep); |
f26c7a78 | 4073 | if (status < 0) |
1da177e4 | 4074 | goto xdr_error; |
409924e4 | 4075 | fattr->valid |= status; |
f26c7a78 TM |
4076 | |
4077 | status = decode_attr_rdev(xdr, bitmap, &fattr->rdev); | |
4078 | if (status < 0) | |
1da177e4 | 4079 | goto xdr_error; |
409924e4 | 4080 | fattr->valid |= status; |
f26c7a78 TM |
4081 | |
4082 | status = decode_attr_space_used(xdr, bitmap, &fattr->du.nfs3.used); | |
4083 | if (status < 0) | |
1da177e4 | 4084 | goto xdr_error; |
409924e4 | 4085 | fattr->valid |= status; |
f26c7a78 TM |
4086 | |
4087 | status = decode_attr_time_access(xdr, bitmap, &fattr->atime); | |
4088 | if (status < 0) | |
1da177e4 | 4089 | goto xdr_error; |
409924e4 | 4090 | fattr->valid |= status; |
f26c7a78 TM |
4091 | |
4092 | status = decode_attr_time_metadata(xdr, bitmap, &fattr->ctime); | |
4093 | if (status < 0) | |
1da177e4 | 4094 | goto xdr_error; |
409924e4 | 4095 | fattr->valid |= status; |
f26c7a78 TM |
4096 | |
4097 | status = decode_attr_time_modify(xdr, bitmap, &fattr->mtime); | |
4098 | if (status < 0) | |
1da177e4 | 4099 | goto xdr_error; |
409924e4 | 4100 | fattr->valid |= status; |
f26c7a78 | 4101 | |
28331a46 | 4102 | status = decode_attr_mounted_on_fileid(xdr, bitmap, &fattr->mounted_on_fileid); |
f26c7a78 | 4103 | if (status < 0) |
99baf625 | 4104 | goto xdr_error; |
28331a46 | 4105 | fattr->valid |= status; |
f26c7a78 | 4106 | |
ae42c70a BS |
4107 | xdr_error: |
4108 | dprintk("%s: xdr returned %d\n", __func__, -status); | |
4109 | return status; | |
4110 | } | |
4111 | ||
4112 | static int decode_getfattr_generic(struct xdr_stream *xdr, struct nfs_fattr *fattr, | |
4113 | struct nfs_fh *fh, const struct nfs_server *server, int may_sleep) | |
4114 | { | |
4115 | __be32 *savep; | |
4116 | uint32_t attrlen, | |
4117 | bitmap[2] = {0}; | |
4118 | int status; | |
4119 | ||
4120 | status = decode_op_hdr(xdr, OP_GETATTR); | |
4121 | if (status < 0) | |
4122 | goto xdr_error; | |
4123 | ||
4124 | status = decode_attr_bitmap(xdr, bitmap); | |
4125 | if (status < 0) | |
4126 | goto xdr_error; | |
4127 | ||
4128 | status = decode_attr_length(xdr, &attrlen, &savep); | |
4129 | if (status < 0) | |
4130 | goto xdr_error; | |
4131 | ||
4132 | status = decode_getfattr_attrs(xdr, bitmap, fattr, fh, server, may_sleep); | |
4133 | if (status < 0) | |
4134 | goto xdr_error; | |
4135 | ||
f26c7a78 | 4136 | status = verify_attr_len(xdr, savep, attrlen); |
1da177e4 | 4137 | xdr_error: |
3110ff80 | 4138 | dprintk("%s: xdr returned %d\n", __func__, -status); |
1da177e4 LT |
4139 | return status; |
4140 | } | |
4141 | ||
ae42c70a BS |
4142 | static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr, |
4143 | const struct nfs_server *server, int may_sleep) | |
4144 | { | |
4145 | return decode_getfattr_generic(xdr, fattr, NULL, server, may_sleep); | |
4146 | } | |
1da177e4 | 4147 | |
504913fb AA |
4148 | /* |
4149 | * Decode potentially multiple layout types. Currently we only support | |
4150 | * one layout driver per file system. | |
4151 | */ | |
4152 | static int decode_first_pnfs_layout_type(struct xdr_stream *xdr, | |
4153 | uint32_t *layouttype) | |
4154 | { | |
4155 | uint32_t *p; | |
4156 | int num; | |
4157 | ||
4158 | p = xdr_inline_decode(xdr, 4); | |
4159 | if (unlikely(!p)) | |
4160 | goto out_overflow; | |
4161 | num = be32_to_cpup(p); | |
4162 | ||
4163 | /* pNFS is not supported by the underlying file system */ | |
4164 | if (num == 0) { | |
4165 | *layouttype = 0; | |
4166 | return 0; | |
4167 | } | |
4168 | if (num > 1) | |
4169 | printk(KERN_INFO "%s: Warning: Multiple pNFS layout drivers " | |
4170 | "per filesystem not supported\n", __func__); | |
4171 | ||
4172 | /* Decode and set first layout type, move xdr->p past unused types */ | |
4173 | p = xdr_inline_decode(xdr, num * 4); | |
4174 | if (unlikely(!p)) | |
4175 | goto out_overflow; | |
4176 | *layouttype = be32_to_cpup(p); | |
4177 | return 0; | |
4178 | out_overflow: | |
4179 | print_overflow_msg(__func__, xdr); | |
4180 | return -EIO; | |
4181 | } | |
4182 | ||
4183 | /* | |
4184 | * The type of file system exported. | |
4185 | * Note we must ensure that layouttype is set in any non-error case. | |
4186 | */ | |
4187 | static int decode_attr_pnfstype(struct xdr_stream *xdr, uint32_t *bitmap, | |
4188 | uint32_t *layouttype) | |
4189 | { | |
4190 | int status = 0; | |
4191 | ||
4192 | dprintk("%s: bitmap is %x\n", __func__, bitmap[1]); | |
4193 | if (unlikely(bitmap[1] & (FATTR4_WORD1_FS_LAYOUT_TYPES - 1U))) | |
4194 | return -EIO; | |
4195 | if (bitmap[1] & FATTR4_WORD1_FS_LAYOUT_TYPES) { | |
4196 | status = decode_first_pnfs_layout_type(xdr, layouttype); | |
4197 | bitmap[1] &= ~FATTR4_WORD1_FS_LAYOUT_TYPES; | |
4198 | } else | |
4199 | *layouttype = 0; | |
4200 | return status; | |
4201 | } | |
4202 | ||
1da177e4 LT |
4203 | static int decode_fsinfo(struct xdr_stream *xdr, struct nfs_fsinfo *fsinfo) |
4204 | { | |
8687b63a | 4205 | __be32 *savep; |
1da177e4 LT |
4206 | uint32_t attrlen, bitmap[2]; |
4207 | int status; | |
4208 | ||
4209 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
4210 | goto xdr_error; | |
4211 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4212 | goto xdr_error; | |
4213 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4214 | goto xdr_error; | |
4215 | ||
4216 | fsinfo->rtmult = fsinfo->wtmult = 512; /* ??? */ | |
4217 | ||
4218 | if ((status = decode_attr_lease_time(xdr, bitmap, &fsinfo->lease_time)) != 0) | |
4219 | goto xdr_error; | |
4220 | if ((status = decode_attr_maxfilesize(xdr, bitmap, &fsinfo->maxfilesize)) != 0) | |
4221 | goto xdr_error; | |
4222 | if ((status = decode_attr_maxread(xdr, bitmap, &fsinfo->rtmax)) != 0) | |
4223 | goto xdr_error; | |
4224 | fsinfo->rtpref = fsinfo->dtpref = fsinfo->rtmax; | |
4225 | if ((status = decode_attr_maxwrite(xdr, bitmap, &fsinfo->wtmax)) != 0) | |
4226 | goto xdr_error; | |
4227 | fsinfo->wtpref = fsinfo->wtmax; | |
55b6e774 | 4228 | status = decode_attr_time_delta(xdr, bitmap, &fsinfo->time_delta); |
504913fb AA |
4229 | if (status != 0) |
4230 | goto xdr_error; | |
4231 | status = decode_attr_pnfstype(xdr, bitmap, &fsinfo->layouttype); | |
55b6e774 RL |
4232 | if (status != 0) |
4233 | goto xdr_error; | |
1da177e4 LT |
4234 | |
4235 | status = verify_attr_len(xdr, savep, attrlen); | |
4236 | xdr_error: | |
3110ff80 | 4237 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4238 | return status; |
4239 | } | |
4240 | ||
4241 | static int decode_getfh(struct xdr_stream *xdr, struct nfs_fh *fh) | |
4242 | { | |
8687b63a | 4243 | __be32 *p; |
1da177e4 LT |
4244 | uint32_t len; |
4245 | int status; | |
4246 | ||
9936781d TM |
4247 | /* Zero handle first to allow comparisons */ |
4248 | memset(fh, 0, sizeof(*fh)); | |
4249 | ||
1da177e4 LT |
4250 | status = decode_op_hdr(xdr, OP_GETFH); |
4251 | if (status) | |
4252 | return status; | |
1da177e4 | 4253 | |
c0eae66e BH |
4254 | p = xdr_inline_decode(xdr, 4); |
4255 | if (unlikely(!p)) | |
4256 | goto out_overflow; | |
cccddf4f | 4257 | len = be32_to_cpup(p); |
1da177e4 LT |
4258 | if (len > NFS4_FHSIZE) |
4259 | return -EIO; | |
4260 | fh->size = len; | |
c0eae66e BH |
4261 | p = xdr_inline_decode(xdr, len); |
4262 | if (unlikely(!p)) | |
4263 | goto out_overflow; | |
99398d06 | 4264 | memcpy(fh->data, p, len); |
1da177e4 | 4265 | return 0; |
c0eae66e BH |
4266 | out_overflow: |
4267 | print_overflow_msg(__func__, xdr); | |
4268 | return -EIO; | |
1da177e4 LT |
4269 | } |
4270 | ||
4271 | static int decode_link(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4272 | { | |
4273 | int status; | |
6c0195a4 | 4274 | |
1da177e4 LT |
4275 | status = decode_op_hdr(xdr, OP_LINK); |
4276 | if (status) | |
4277 | return status; | |
4278 | return decode_change_info(xdr, cinfo); | |
4279 | } | |
4280 | ||
4281 | /* | |
4282 | * We create the owner, so we know a proper owner.id length is 4. | |
4283 | */ | |
911d1aaf | 4284 | static int decode_lock_denied (struct xdr_stream *xdr, struct file_lock *fl) |
1da177e4 | 4285 | { |
911d1aaf | 4286 | uint64_t offset, length, clientid; |
8687b63a | 4287 | __be32 *p; |
911d1aaf | 4288 | uint32_t namelen, type; |
1da177e4 | 4289 | |
babddc72 | 4290 | p = xdr_inline_decode(xdr, 32); /* read 32 bytes */ |
c0eae66e BH |
4291 | if (unlikely(!p)) |
4292 | goto out_overflow; | |
babddc72 | 4293 | p = xdr_decode_hyper(p, &offset); /* read 2 8-byte long words */ |
3ceb4dbb | 4294 | p = xdr_decode_hyper(p, &length); |
babddc72 BS |
4295 | type = be32_to_cpup(p++); /* 4 byte read */ |
4296 | if (fl != NULL) { /* manipulate file lock */ | |
911d1aaf TM |
4297 | fl->fl_start = (loff_t)offset; |
4298 | fl->fl_end = fl->fl_start + (loff_t)length - 1; | |
4299 | if (length == ~(uint64_t)0) | |
4300 | fl->fl_end = OFFSET_MAX; | |
4301 | fl->fl_type = F_WRLCK; | |
4302 | if (type & 1) | |
4303 | fl->fl_type = F_RDLCK; | |
4304 | fl->fl_pid = 0; | |
4305 | } | |
babddc72 BS |
4306 | p = xdr_decode_hyper(p, &clientid); /* read 8 bytes */ |
4307 | namelen = be32_to_cpup(p); /* read 4 bytes */ /* have read all 32 bytes now */ | |
4308 | p = xdr_inline_decode(xdr, namelen); /* variable size field */ | |
c0eae66e BH |
4309 | if (likely(p)) |
4310 | return -NFS4ERR_DENIED; | |
4311 | out_overflow: | |
4312 | print_overflow_msg(__func__, xdr); | |
4313 | return -EIO; | |
1da177e4 LT |
4314 | } |
4315 | ||
911d1aaf | 4316 | static int decode_lock(struct xdr_stream *xdr, struct nfs_lock_res *res) |
1da177e4 | 4317 | { |
1da177e4 LT |
4318 | int status; |
4319 | ||
4320 | status = decode_op_hdr(xdr, OP_LOCK); | |
c1d51931 TM |
4321 | if (status == -EIO) |
4322 | goto out; | |
1da177e4 | 4323 | if (status == 0) { |
07d30434 BH |
4324 | status = decode_stateid(xdr, &res->stateid); |
4325 | if (unlikely(status)) | |
4326 | goto out; | |
1da177e4 | 4327 | } else if (status == -NFS4ERR_DENIED) |
c1d51931 TM |
4328 | status = decode_lock_denied(xdr, NULL); |
4329 | if (res->open_seqid != NULL) | |
4330 | nfs_increment_open_seqid(status, res->open_seqid); | |
4331 | nfs_increment_lock_seqid(status, res->lock_seqid); | |
4332 | out: | |
1da177e4 LT |
4333 | return status; |
4334 | } | |
4335 | ||
911d1aaf | 4336 | static int decode_lockt(struct xdr_stream *xdr, struct nfs_lockt_res *res) |
1da177e4 LT |
4337 | { |
4338 | int status; | |
4339 | status = decode_op_hdr(xdr, OP_LOCKT); | |
4340 | if (status == -NFS4ERR_DENIED) | |
911d1aaf | 4341 | return decode_lock_denied(xdr, res->denied); |
1da177e4 LT |
4342 | return status; |
4343 | } | |
4344 | ||
911d1aaf | 4345 | static int decode_locku(struct xdr_stream *xdr, struct nfs_locku_res *res) |
1da177e4 | 4346 | { |
1da177e4 LT |
4347 | int status; |
4348 | ||
4349 | status = decode_op_hdr(xdr, OP_LOCKU); | |
c1d51931 TM |
4350 | if (status != -EIO) |
4351 | nfs_increment_lock_seqid(status, res->seqid); | |
07d30434 BH |
4352 | if (status == 0) |
4353 | status = decode_stateid(xdr, &res->stateid); | |
1da177e4 LT |
4354 | return status; |
4355 | } | |
4356 | ||
d3c7b7cc TM |
4357 | static int decode_release_lockowner(struct xdr_stream *xdr) |
4358 | { | |
4359 | return decode_op_hdr(xdr, OP_RELEASE_LOCKOWNER); | |
4360 | } | |
4361 | ||
1da177e4 LT |
4362 | static int decode_lookup(struct xdr_stream *xdr) |
4363 | { | |
4364 | return decode_op_hdr(xdr, OP_LOOKUP); | |
4365 | } | |
4366 | ||
4367 | /* This is too sick! */ | |
4368 | static int decode_space_limit(struct xdr_stream *xdr, u64 *maxsize) | |
4369 | { | |
05d564fe | 4370 | __be32 *p; |
1da177e4 LT |
4371 | uint32_t limit_type, nblocks, blocksize; |
4372 | ||
c0eae66e BH |
4373 | p = xdr_inline_decode(xdr, 12); |
4374 | if (unlikely(!p)) | |
4375 | goto out_overflow; | |
6f723f77 | 4376 | limit_type = be32_to_cpup(p++); |
1da177e4 | 4377 | switch (limit_type) { |
05d564fe | 4378 | case 1: |
cccddf4f | 4379 | xdr_decode_hyper(p, maxsize); |
05d564fe AA |
4380 | break; |
4381 | case 2: | |
6f723f77 | 4382 | nblocks = be32_to_cpup(p++); |
cccddf4f | 4383 | blocksize = be32_to_cpup(p); |
05d564fe | 4384 | *maxsize = (uint64_t)nblocks * (uint64_t)blocksize; |
1da177e4 LT |
4385 | } |
4386 | return 0; | |
c0eae66e BH |
4387 | out_overflow: |
4388 | print_overflow_msg(__func__, xdr); | |
4389 | return -EIO; | |
1da177e4 LT |
4390 | } |
4391 | ||
4392 | static int decode_delegation(struct xdr_stream *xdr, struct nfs_openres *res) | |
4393 | { | |
05d564fe AA |
4394 | __be32 *p; |
4395 | uint32_t delegation_type; | |
07d30434 | 4396 | int status; |
1da177e4 | 4397 | |
c0eae66e BH |
4398 | p = xdr_inline_decode(xdr, 4); |
4399 | if (unlikely(!p)) | |
4400 | goto out_overflow; | |
cccddf4f | 4401 | delegation_type = be32_to_cpup(p); |
1da177e4 LT |
4402 | if (delegation_type == NFS4_OPEN_DELEGATE_NONE) { |
4403 | res->delegation_type = 0; | |
4404 | return 0; | |
4405 | } | |
07d30434 BH |
4406 | status = decode_stateid(xdr, &res->delegation); |
4407 | if (unlikely(status)) | |
4408 | return status; | |
c0eae66e BH |
4409 | p = xdr_inline_decode(xdr, 4); |
4410 | if (unlikely(!p)) | |
4411 | goto out_overflow; | |
cccddf4f | 4412 | res->do_recall = be32_to_cpup(p); |
05d564fe | 4413 | |
1da177e4 | 4414 | switch (delegation_type) { |
05d564fe AA |
4415 | case NFS4_OPEN_DELEGATE_READ: |
4416 | res->delegation_type = FMODE_READ; | |
4417 | break; | |
4418 | case NFS4_OPEN_DELEGATE_WRITE: | |
4419 | res->delegation_type = FMODE_WRITE|FMODE_READ; | |
4420 | if (decode_space_limit(xdr, &res->maxsize) < 0) | |
1da177e4 LT |
4421 | return -EIO; |
4422 | } | |
7539bbab | 4423 | return decode_ace(xdr, NULL, res->server->nfs_client); |
c0eae66e BH |
4424 | out_overflow: |
4425 | print_overflow_msg(__func__, xdr); | |
4426 | return -EIO; | |
1da177e4 LT |
4427 | } |
4428 | ||
4429 | static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res) | |
4430 | { | |
05d564fe | 4431 | __be32 *p; |
aa53ed54 | 4432 | uint32_t savewords, bmlen, i; |
05d564fe | 4433 | int status; |
1da177e4 | 4434 | |
05d564fe | 4435 | status = decode_op_hdr(xdr, OP_OPEN); |
c1d51931 TM |
4436 | if (status != -EIO) |
4437 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4438 | if (!status) |
4439 | status = decode_stateid(xdr, &res->stateid); | |
4440 | if (unlikely(status)) | |
05d564fe | 4441 | return status; |
1da177e4 | 4442 | |
05d564fe | 4443 | decode_change_info(xdr, &res->cinfo); |
1da177e4 | 4444 | |
c0eae66e BH |
4445 | p = xdr_inline_decode(xdr, 8); |
4446 | if (unlikely(!p)) | |
4447 | goto out_overflow; | |
6f723f77 | 4448 | res->rflags = be32_to_cpup(p++); |
cccddf4f | 4449 | bmlen = be32_to_cpup(p); |
05d564fe AA |
4450 | if (bmlen > 10) |
4451 | goto xdr_error; | |
1da177e4 | 4452 | |
c0eae66e BH |
4453 | p = xdr_inline_decode(xdr, bmlen << 2); |
4454 | if (unlikely(!p)) | |
4455 | goto out_overflow; | |
aa53ed54 JL |
4456 | savewords = min_t(uint32_t, bmlen, NFS4_BITMAP_SIZE); |
4457 | for (i = 0; i < savewords; ++i) | |
6f723f77 | 4458 | res->attrset[i] = be32_to_cpup(p++); |
aa53ed54 JL |
4459 | for (; i < NFS4_BITMAP_SIZE; i++) |
4460 | res->attrset[i] = 0; | |
4461 | ||
1da177e4 LT |
4462 | return decode_delegation(xdr, res); |
4463 | xdr_error: | |
3110ff80 | 4464 | dprintk("%s: Bitmap too large! Length = %u\n", __func__, bmlen); |
1da177e4 | 4465 | return -EIO; |
c0eae66e BH |
4466 | out_overflow: |
4467 | print_overflow_msg(__func__, xdr); | |
4468 | return -EIO; | |
1da177e4 LT |
4469 | } |
4470 | ||
4471 | static int decode_open_confirm(struct xdr_stream *xdr, struct nfs_open_confirmres *res) | |
4472 | { | |
1da177e4 LT |
4473 | int status; |
4474 | ||
05d564fe | 4475 | status = decode_op_hdr(xdr, OP_OPEN_CONFIRM); |
c1d51931 TM |
4476 | if (status != -EIO) |
4477 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4478 | if (!status) |
4479 | status = decode_stateid(xdr, &res->stateid); | |
4480 | return status; | |
1da177e4 LT |
4481 | } |
4482 | ||
4483 | static int decode_open_downgrade(struct xdr_stream *xdr, struct nfs_closeres *res) | |
4484 | { | |
1da177e4 LT |
4485 | int status; |
4486 | ||
4487 | status = decode_op_hdr(xdr, OP_OPEN_DOWNGRADE); | |
c1d51931 TM |
4488 | if (status != -EIO) |
4489 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4490 | if (!status) |
4491 | status = decode_stateid(xdr, &res->stateid); | |
4492 | return status; | |
1da177e4 LT |
4493 | } |
4494 | ||
4495 | static int decode_putfh(struct xdr_stream *xdr) | |
4496 | { | |
4497 | return decode_op_hdr(xdr, OP_PUTFH); | |
4498 | } | |
4499 | ||
4500 | static int decode_putrootfh(struct xdr_stream *xdr) | |
4501 | { | |
4502 | return decode_op_hdr(xdr, OP_PUTROOTFH); | |
4503 | } | |
4504 | ||
4505 | static int decode_read(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs_readres *res) | |
4506 | { | |
4507 | struct kvec *iov = req->rq_rcv_buf.head; | |
8687b63a | 4508 | __be32 *p; |
1da177e4 LT |
4509 | uint32_t count, eof, recvd, hdrlen; |
4510 | int status; | |
4511 | ||
4512 | status = decode_op_hdr(xdr, OP_READ); | |
4513 | if (status) | |
4514 | return status; | |
c0eae66e BH |
4515 | p = xdr_inline_decode(xdr, 8); |
4516 | if (unlikely(!p)) | |
4517 | goto out_overflow; | |
6f723f77 | 4518 | eof = be32_to_cpup(p++); |
cccddf4f | 4519 | count = be32_to_cpup(p); |
8111f373 | 4520 | hdrlen = (u8 *) xdr->p - (u8 *) iov->iov_base; |
1da177e4 LT |
4521 | recvd = req->rq_rcv_buf.len - hdrlen; |
4522 | if (count > recvd) { | |
fe82a183 | 4523 | dprintk("NFS: server cheating in read reply: " |
1da177e4 LT |
4524 | "count %u > recvd %u\n", count, recvd); |
4525 | count = recvd; | |
4526 | eof = 0; | |
4527 | } | |
4528 | xdr_read_pages(xdr, count); | |
4529 | res->eof = eof; | |
4530 | res->count = count; | |
4531 | return 0; | |
c0eae66e BH |
4532 | out_overflow: |
4533 | print_overflow_msg(__func__, xdr); | |
4534 | return -EIO; | |
1da177e4 LT |
4535 | } |
4536 | ||
4537 | static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs4_readdir_res *readdir) | |
4538 | { | |
4539 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; | |
1da177e4 | 4540 | struct kvec *iov = rcvbuf->head; |
bcecff77 CL |
4541 | size_t hdrlen; |
4542 | u32 recvd, pglen = rcvbuf->page_len; | |
bcecff77 | 4543 | int status; |
1da177e4 LT |
4544 | |
4545 | status = decode_op_hdr(xdr, OP_READDIR); | |
db942bbd BH |
4546 | if (!status) |
4547 | status = decode_verifier(xdr, readdir->verifier.data); | |
4548 | if (unlikely(status)) | |
1da177e4 | 4549 | return status; |
44109241 FI |
4550 | dprintk("%s: verifier = %08x:%08x\n", |
4551 | __func__, | |
eadf4598 TM |
4552 | ((u32 *)readdir->verifier.data)[0], |
4553 | ((u32 *)readdir->verifier.data)[1]); | |
4554 | ||
1da177e4 | 4555 | |
db942bbd | 4556 | hdrlen = (char *) xdr->p - (char *) iov->iov_base; |
1da177e4 LT |
4557 | recvd = rcvbuf->len - hdrlen; |
4558 | if (pglen > recvd) | |
4559 | pglen = recvd; | |
4560 | xdr_read_pages(xdr, pglen); | |
4561 | ||
afa8ccc9 | 4562 | |
ac396128 | 4563 | return pglen; |
1da177e4 LT |
4564 | } |
4565 | ||
4566 | static int decode_readlink(struct xdr_stream *xdr, struct rpc_rqst *req) | |
4567 | { | |
4568 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; | |
4569 | struct kvec *iov = rcvbuf->head; | |
bcecff77 CL |
4570 | size_t hdrlen; |
4571 | u32 len, recvd; | |
8687b63a | 4572 | __be32 *p; |
1da177e4 LT |
4573 | int status; |
4574 | ||
4575 | status = decode_op_hdr(xdr, OP_READLINK); | |
4576 | if (status) | |
4577 | return status; | |
4578 | ||
4579 | /* Convert length of symlink */ | |
c0eae66e BH |
4580 | p = xdr_inline_decode(xdr, 4); |
4581 | if (unlikely(!p)) | |
4582 | goto out_overflow; | |
cccddf4f | 4583 | len = be32_to_cpup(p); |
1da177e4 | 4584 | if (len >= rcvbuf->page_len || len <= 0) { |
fe82a183 | 4585 | dprintk("nfs: server returned giant symlink!\n"); |
1da177e4 LT |
4586 | return -ENAMETOOLONG; |
4587 | } | |
4588 | hdrlen = (char *) xdr->p - (char *) iov->iov_base; | |
4589 | recvd = req->rq_rcv_buf.len - hdrlen; | |
4590 | if (recvd < len) { | |
fe82a183 | 4591 | dprintk("NFS: server cheating in readlink reply: " |
1da177e4 LT |
4592 | "count %u > recvd %u\n", len, recvd); |
4593 | return -EIO; | |
4594 | } | |
4595 | xdr_read_pages(xdr, len); | |
4596 | /* | |
4597 | * The XDR encode routine has set things up so that | |
4598 | * the link text will be copied directly into the | |
4599 | * buffer. We just have to do overflow-checking, | |
4600 | * and and null-terminate the text (the VFS expects | |
4601 | * null-termination). | |
4602 | */ | |
b4687da7 | 4603 | xdr_terminate_string(rcvbuf, len); |
1da177e4 | 4604 | return 0; |
c0eae66e BH |
4605 | out_overflow: |
4606 | print_overflow_msg(__func__, xdr); | |
4607 | return -EIO; | |
1da177e4 LT |
4608 | } |
4609 | ||
4610 | static int decode_remove(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4611 | { | |
4612 | int status; | |
4613 | ||
4614 | status = decode_op_hdr(xdr, OP_REMOVE); | |
4615 | if (status) | |
4616 | goto out; | |
4617 | status = decode_change_info(xdr, cinfo); | |
4618 | out: | |
4619 | return status; | |
4620 | } | |
4621 | ||
4622 | static int decode_rename(struct xdr_stream *xdr, struct nfs4_change_info *old_cinfo, | |
4623 | struct nfs4_change_info *new_cinfo) | |
4624 | { | |
4625 | int status; | |
4626 | ||
4627 | status = decode_op_hdr(xdr, OP_RENAME); | |
4628 | if (status) | |
4629 | goto out; | |
4630 | if ((status = decode_change_info(xdr, old_cinfo))) | |
4631 | goto out; | |
4632 | status = decode_change_info(xdr, new_cinfo); | |
4633 | out: | |
4634 | return status; | |
4635 | } | |
4636 | ||
4637 | static int decode_renew(struct xdr_stream *xdr) | |
4638 | { | |
4639 | return decode_op_hdr(xdr, OP_RENEW); | |
4640 | } | |
4641 | ||
56ae19f3 TM |
4642 | static int |
4643 | decode_restorefh(struct xdr_stream *xdr) | |
4644 | { | |
4645 | return decode_op_hdr(xdr, OP_RESTOREFH); | |
4646 | } | |
4647 | ||
029d105e BF |
4648 | static int decode_getacl(struct xdr_stream *xdr, struct rpc_rqst *req, |
4649 | size_t *acl_len) | |
4650 | { | |
8687b63a | 4651 | __be32 *savep; |
029d105e BF |
4652 | uint32_t attrlen, |
4653 | bitmap[2] = {0}; | |
4654 | struct kvec *iov = req->rq_rcv_buf.head; | |
4655 | int status; | |
4656 | ||
4657 | *acl_len = 0; | |
4658 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
4659 | goto out; | |
4660 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4661 | goto out; | |
4662 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4663 | goto out; | |
4664 | ||
4665 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACL - 1U))) | |
4666 | return -EIO; | |
4667 | if (likely(bitmap[0] & FATTR4_WORD0_ACL)) { | |
bcecff77 CL |
4668 | size_t hdrlen; |
4669 | u32 recvd; | |
029d105e BF |
4670 | |
4671 | /* We ignore &savep and don't do consistency checks on | |
4672 | * the attr length. Let userspace figure it out.... */ | |
4673 | hdrlen = (u8 *)xdr->p - (u8 *)iov->iov_base; | |
4674 | recvd = req->rq_rcv_buf.len - hdrlen; | |
4675 | if (attrlen > recvd) { | |
fe82a183 | 4676 | dprintk("NFS: server cheating in getattr" |
029d105e BF |
4677 | " acl reply: attrlen %u > recvd %u\n", |
4678 | attrlen, recvd); | |
4679 | return -EINVAL; | |
4680 | } | |
c04871e6 | 4681 | xdr_read_pages(xdr, attrlen); |
029d105e | 4682 | *acl_len = attrlen; |
8c233cf9 BF |
4683 | } else |
4684 | status = -EOPNOTSUPP; | |
029d105e BF |
4685 | |
4686 | out: | |
4687 | return status; | |
4688 | } | |
4689 | ||
1da177e4 LT |
4690 | static int |
4691 | decode_savefh(struct xdr_stream *xdr) | |
4692 | { | |
4693 | return decode_op_hdr(xdr, OP_SAVEFH); | |
4694 | } | |
4695 | ||
9e9ecc03 | 4696 | static int decode_setattr(struct xdr_stream *xdr) |
1da177e4 | 4697 | { |
8687b63a | 4698 | __be32 *p; |
1da177e4 LT |
4699 | uint32_t bmlen; |
4700 | int status; | |
4701 | ||
1da177e4 LT |
4702 | status = decode_op_hdr(xdr, OP_SETATTR); |
4703 | if (status) | |
4704 | return status; | |
c0eae66e BH |
4705 | p = xdr_inline_decode(xdr, 4); |
4706 | if (unlikely(!p)) | |
4707 | goto out_overflow; | |
cccddf4f | 4708 | bmlen = be32_to_cpup(p); |
c0eae66e BH |
4709 | p = xdr_inline_decode(xdr, bmlen << 2); |
4710 | if (likely(p)) | |
4711 | return 0; | |
4712 | out_overflow: | |
4713 | print_overflow_msg(__func__, xdr); | |
4714 | return -EIO; | |
1da177e4 LT |
4715 | } |
4716 | ||
bb8b27e5 | 4717 | static int decode_setclientid(struct xdr_stream *xdr, struct nfs4_setclientid_res *res) |
1da177e4 | 4718 | { |
8687b63a | 4719 | __be32 *p; |
1da177e4 LT |
4720 | uint32_t opnum; |
4721 | int32_t nfserr; | |
4722 | ||
c0eae66e BH |
4723 | p = xdr_inline_decode(xdr, 8); |
4724 | if (unlikely(!p)) | |
4725 | goto out_overflow; | |
6f723f77 | 4726 | opnum = be32_to_cpup(p++); |
1da177e4 | 4727 | if (opnum != OP_SETCLIENTID) { |
fe82a183 | 4728 | dprintk("nfs: decode_setclientid: Server returned operation" |
6c0195a4 | 4729 | " %d\n", opnum); |
1da177e4 LT |
4730 | return -EIO; |
4731 | } | |
cccddf4f | 4732 | nfserr = be32_to_cpup(p); |
1da177e4 | 4733 | if (nfserr == NFS_OK) { |
c0eae66e BH |
4734 | p = xdr_inline_decode(xdr, 8 + NFS4_VERIFIER_SIZE); |
4735 | if (unlikely(!p)) | |
4736 | goto out_overflow; | |
bb8b27e5 TM |
4737 | p = xdr_decode_hyper(p, &res->clientid); |
4738 | memcpy(res->confirm.data, p, NFS4_VERIFIER_SIZE); | |
1da177e4 LT |
4739 | } else if (nfserr == NFSERR_CLID_INUSE) { |
4740 | uint32_t len; | |
4741 | ||
4742 | /* skip netid string */ | |
c0eae66e BH |
4743 | p = xdr_inline_decode(xdr, 4); |
4744 | if (unlikely(!p)) | |
4745 | goto out_overflow; | |
cccddf4f | 4746 | len = be32_to_cpup(p); |
c0eae66e BH |
4747 | p = xdr_inline_decode(xdr, len); |
4748 | if (unlikely(!p)) | |
4749 | goto out_overflow; | |
1da177e4 LT |
4750 | |
4751 | /* skip uaddr string */ | |
c0eae66e BH |
4752 | p = xdr_inline_decode(xdr, 4); |
4753 | if (unlikely(!p)) | |
4754 | goto out_overflow; | |
cccddf4f | 4755 | len = be32_to_cpup(p); |
c0eae66e BH |
4756 | p = xdr_inline_decode(xdr, len); |
4757 | if (unlikely(!p)) | |
4758 | goto out_overflow; | |
1da177e4 LT |
4759 | return -NFSERR_CLID_INUSE; |
4760 | } else | |
856dff3d | 4761 | return nfs4_stat_to_errno(nfserr); |
1da177e4 LT |
4762 | |
4763 | return 0; | |
c0eae66e BH |
4764 | out_overflow: |
4765 | print_overflow_msg(__func__, xdr); | |
4766 | return -EIO; | |
1da177e4 LT |
4767 | } |
4768 | ||
4769 | static int decode_setclientid_confirm(struct xdr_stream *xdr) | |
4770 | { | |
4771 | return decode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM); | |
4772 | } | |
4773 | ||
4774 | static int decode_write(struct xdr_stream *xdr, struct nfs_writeres *res) | |
4775 | { | |
8687b63a | 4776 | __be32 *p; |
1da177e4 LT |
4777 | int status; |
4778 | ||
4779 | status = decode_op_hdr(xdr, OP_WRITE); | |
4780 | if (status) | |
4781 | return status; | |
4782 | ||
c0eae66e BH |
4783 | p = xdr_inline_decode(xdr, 16); |
4784 | if (unlikely(!p)) | |
4785 | goto out_overflow; | |
6f723f77 BH |
4786 | res->count = be32_to_cpup(p++); |
4787 | res->verf->committed = be32_to_cpup(p++); | |
99398d06 | 4788 | memcpy(res->verf->verifier, p, 8); |
1da177e4 | 4789 | return 0; |
c0eae66e BH |
4790 | out_overflow: |
4791 | print_overflow_msg(__func__, xdr); | |
4792 | return -EIO; | |
1da177e4 LT |
4793 | } |
4794 | ||
4795 | static int decode_delegreturn(struct xdr_stream *xdr) | |
4796 | { | |
4797 | return decode_op_hdr(xdr, OP_DELEGRETURN); | |
4798 | } | |
4799 | ||
5a5ea0d4 BS |
4800 | static int decode_secinfo_gss(struct xdr_stream *xdr, struct nfs4_secinfo_flavor *flavor) |
4801 | { | |
4802 | __be32 *p; | |
4803 | ||
4804 | p = xdr_inline_decode(xdr, 4); | |
4805 | if (unlikely(!p)) | |
4806 | goto out_overflow; | |
4807 | flavor->gss.sec_oid4.len = be32_to_cpup(p); | |
4808 | if (flavor->gss.sec_oid4.len > GSS_OID_MAX_LEN) | |
4809 | goto out_err; | |
4810 | ||
4811 | p = xdr_inline_decode(xdr, flavor->gss.sec_oid4.len); | |
4812 | if (unlikely(!p)) | |
4813 | goto out_overflow; | |
4814 | memcpy(flavor->gss.sec_oid4.data, p, flavor->gss.sec_oid4.len); | |
4815 | ||
4816 | p = xdr_inline_decode(xdr, 8); | |
4817 | if (unlikely(!p)) | |
4818 | goto out_overflow; | |
4819 | flavor->gss.qop4 = be32_to_cpup(p++); | |
4820 | flavor->gss.service = be32_to_cpup(p); | |
4821 | ||
4822 | return 0; | |
4823 | ||
4824 | out_overflow: | |
4825 | print_overflow_msg(__func__, xdr); | |
4826 | return -EIO; | |
4827 | out_err: | |
4828 | return -EINVAL; | |
4829 | } | |
4830 | ||
4831 | static int decode_secinfo(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) | |
4832 | { | |
4833 | struct nfs4_secinfo_flavor *sec_flavor; | |
4834 | int status; | |
4835 | __be32 *p; | |
c3dfc280 | 4836 | int i, num_flavors; |
5a5ea0d4 BS |
4837 | |
4838 | status = decode_op_hdr(xdr, OP_SECINFO); | |
613e901e BS |
4839 | if (status) |
4840 | goto out; | |
5a5ea0d4 BS |
4841 | p = xdr_inline_decode(xdr, 4); |
4842 | if (unlikely(!p)) | |
4843 | goto out_overflow; | |
5a5ea0d4 | 4844 | |
c3dfc280 BS |
4845 | res->flavors->num_flavors = 0; |
4846 | num_flavors = be32_to_cpup(p); | |
4847 | ||
4848 | for (i = 0; i < num_flavors; i++) { | |
5a5ea0d4 | 4849 | sec_flavor = &res->flavors->flavors[i]; |
c3dfc280 | 4850 | if ((char *)&sec_flavor[1] - (char *)res->flavors > PAGE_SIZE) |
5a5ea0d4 BS |
4851 | break; |
4852 | ||
4853 | p = xdr_inline_decode(xdr, 4); | |
4854 | if (unlikely(!p)) | |
4855 | goto out_overflow; | |
4856 | sec_flavor->flavor = be32_to_cpup(p); | |
4857 | ||
4858 | if (sec_flavor->flavor == RPC_AUTH_GSS) { | |
613e901e BS |
4859 | status = decode_secinfo_gss(xdr, sec_flavor); |
4860 | if (status) | |
4861 | goto out; | |
5a5ea0d4 | 4862 | } |
c3dfc280 | 4863 | res->flavors->num_flavors++; |
5a5ea0d4 BS |
4864 | } |
4865 | ||
613e901e BS |
4866 | out: |
4867 | return status; | |
5a5ea0d4 BS |
4868 | out_overflow: |
4869 | print_overflow_msg(__func__, xdr); | |
4870 | return -EIO; | |
4871 | } | |
4872 | ||
99fe60d0 BH |
4873 | #if defined(CONFIG_NFS_V4_1) |
4874 | static int decode_exchange_id(struct xdr_stream *xdr, | |
4875 | struct nfs41_exchange_id_res *res) | |
4876 | { | |
4877 | __be32 *p; | |
4878 | uint32_t dummy; | |
2460ba57 | 4879 | char *dummy_str; |
99fe60d0 BH |
4880 | int status; |
4881 | struct nfs_client *clp = res->client; | |
4882 | ||
4883 | status = decode_op_hdr(xdr, OP_EXCHANGE_ID); | |
4884 | if (status) | |
4885 | return status; | |
4886 | ||
c0eae66e BH |
4887 | p = xdr_inline_decode(xdr, 8); |
4888 | if (unlikely(!p)) | |
4889 | goto out_overflow; | |
114f64b5 | 4890 | xdr_decode_hyper(p, &clp->cl_clientid); |
c0eae66e BH |
4891 | p = xdr_inline_decode(xdr, 12); |
4892 | if (unlikely(!p)) | |
4893 | goto out_overflow; | |
6f723f77 BH |
4894 | clp->cl_seqid = be32_to_cpup(p++); |
4895 | clp->cl_exchange_flags = be32_to_cpup(p++); | |
99fe60d0 BH |
4896 | |
4897 | /* We ask for SP4_NONE */ | |
cccddf4f | 4898 | dummy = be32_to_cpup(p); |
99fe60d0 BH |
4899 | if (dummy != SP4_NONE) |
4900 | return -EIO; | |
4901 | ||
4902 | /* Throw away minor_id */ | |
c0eae66e BH |
4903 | p = xdr_inline_decode(xdr, 8); |
4904 | if (unlikely(!p)) | |
4905 | goto out_overflow; | |
99fe60d0 BH |
4906 | |
4907 | /* Throw away Major id */ | |
2460ba57 BH |
4908 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
4909 | if (unlikely(status)) | |
4910 | return status; | |
99fe60d0 BH |
4911 | |
4912 | /* Throw away server_scope */ | |
2460ba57 BH |
4913 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
4914 | if (unlikely(status)) | |
4915 | return status; | |
99fe60d0 BH |
4916 | |
4917 | /* Throw away Implementation id array */ | |
2460ba57 BH |
4918 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
4919 | if (unlikely(status)) | |
4920 | return status; | |
99fe60d0 BH |
4921 | |
4922 | return 0; | |
c0eae66e BH |
4923 | out_overflow: |
4924 | print_overflow_msg(__func__, xdr); | |
4925 | return -EIO; | |
99fe60d0 | 4926 | } |
fc931582 AA |
4927 | |
4928 | static int decode_chan_attrs(struct xdr_stream *xdr, | |
4929 | struct nfs4_channel_attrs *attrs) | |
4930 | { | |
4931 | __be32 *p; | |
4932 | u32 nr_attrs; | |
4933 | ||
c0eae66e BH |
4934 | p = xdr_inline_decode(xdr, 28); |
4935 | if (unlikely(!p)) | |
4936 | goto out_overflow; | |
6f723f77 BH |
4937 | attrs->headerpadsz = be32_to_cpup(p++); |
4938 | attrs->max_rqst_sz = be32_to_cpup(p++); | |
4939 | attrs->max_resp_sz = be32_to_cpup(p++); | |
4940 | attrs->max_resp_sz_cached = be32_to_cpup(p++); | |
4941 | attrs->max_ops = be32_to_cpup(p++); | |
4942 | attrs->max_reqs = be32_to_cpup(p++); | |
cccddf4f | 4943 | nr_attrs = be32_to_cpup(p); |
fc931582 AA |
4944 | if (unlikely(nr_attrs > 1)) { |
4945 | printk(KERN_WARNING "%s: Invalid rdma channel attrs count %u\n", | |
4946 | __func__, nr_attrs); | |
4947 | return -EINVAL; | |
4948 | } | |
c0eae66e BH |
4949 | if (nr_attrs == 1) { |
4950 | p = xdr_inline_decode(xdr, 4); /* skip rdma_attrs */ | |
4951 | if (unlikely(!p)) | |
4952 | goto out_overflow; | |
4953 | } | |
fc931582 | 4954 | return 0; |
c0eae66e BH |
4955 | out_overflow: |
4956 | print_overflow_msg(__func__, xdr); | |
4957 | return -EIO; | |
fc931582 AA |
4958 | } |
4959 | ||
e78291e4 BH |
4960 | static int decode_sessionid(struct xdr_stream *xdr, struct nfs4_sessionid *sid) |
4961 | { | |
4962 | return decode_opaque_fixed(xdr, sid->data, NFS4_MAX_SESSIONID_LEN); | |
fc931582 AA |
4963 | } |
4964 | ||
4965 | static int decode_create_session(struct xdr_stream *xdr, | |
4966 | struct nfs41_create_session_res *res) | |
4967 | { | |
4968 | __be32 *p; | |
4969 | int status; | |
4970 | struct nfs_client *clp = res->client; | |
4971 | struct nfs4_session *session = clp->cl_session; | |
4972 | ||
4973 | status = decode_op_hdr(xdr, OP_CREATE_SESSION); | |
e78291e4 BH |
4974 | if (!status) |
4975 | status = decode_sessionid(xdr, &session->sess_id); | |
4976 | if (unlikely(status)) | |
fc931582 AA |
4977 | return status; |
4978 | ||
fc931582 | 4979 | /* seqid, flags */ |
c0eae66e BH |
4980 | p = xdr_inline_decode(xdr, 8); |
4981 | if (unlikely(!p)) | |
4982 | goto out_overflow; | |
6f723f77 | 4983 | clp->cl_seqid = be32_to_cpup(p++); |
cccddf4f | 4984 | session->flags = be32_to_cpup(p); |
fc931582 AA |
4985 | |
4986 | /* Channel attributes */ | |
4987 | status = decode_chan_attrs(xdr, &session->fc_attrs); | |
4988 | if (!status) | |
4989 | status = decode_chan_attrs(xdr, &session->bc_attrs); | |
4990 | return status; | |
c0eae66e BH |
4991 | out_overflow: |
4992 | print_overflow_msg(__func__, xdr); | |
4993 | return -EIO; | |
fc931582 | 4994 | } |
0f3e66c6 AA |
4995 | |
4996 | static int decode_destroy_session(struct xdr_stream *xdr, void *dummy) | |
4997 | { | |
4998 | return decode_op_hdr(xdr, OP_DESTROY_SESSION); | |
4999 | } | |
18019753 RL |
5000 | |
5001 | static int decode_reclaim_complete(struct xdr_stream *xdr, void *dummy) | |
5002 | { | |
5003 | return decode_op_hdr(xdr, OP_RECLAIM_COMPLETE); | |
5004 | } | |
99fe60d0 BH |
5005 | #endif /* CONFIG_NFS_V4_1 */ |
5006 | ||
9b7b9fcc AA |
5007 | static int decode_sequence(struct xdr_stream *xdr, |
5008 | struct nfs4_sequence_res *res, | |
5009 | struct rpc_rqst *rqstp) | |
5010 | { | |
5011 | #if defined(CONFIG_NFS_V4_1) | |
fc01cea9 AA |
5012 | struct nfs4_sessionid id; |
5013 | u32 dummy; | |
5014 | int status; | |
5015 | __be32 *p; | |
5016 | ||
9b7b9fcc AA |
5017 | if (!res->sr_session) |
5018 | return 0; | |
5019 | ||
fc01cea9 | 5020 | status = decode_op_hdr(xdr, OP_SEQUENCE); |
e78291e4 BH |
5021 | if (!status) |
5022 | status = decode_sessionid(xdr, &id); | |
5023 | if (unlikely(status)) | |
fc01cea9 | 5024 | goto out_err; |
9b7b9fcc | 5025 | |
fc01cea9 AA |
5026 | /* |
5027 | * If the server returns different values for sessionID, slotID or | |
5028 | * sequence number, the server is looney tunes. | |
5029 | */ | |
fdcb4577 | 5030 | status = -EREMOTEIO; |
fc01cea9 | 5031 | |
fc01cea9 AA |
5032 | if (memcmp(id.data, res->sr_session->sess_id.data, |
5033 | NFS4_MAX_SESSIONID_LEN)) { | |
5034 | dprintk("%s Invalid session id\n", __func__); | |
5035 | goto out_err; | |
5036 | } | |
e78291e4 | 5037 | |
c0eae66e BH |
5038 | p = xdr_inline_decode(xdr, 20); |
5039 | if (unlikely(!p)) | |
5040 | goto out_overflow; | |
e78291e4 | 5041 | |
fc01cea9 | 5042 | /* seqid */ |
6f723f77 | 5043 | dummy = be32_to_cpup(p++); |
dfb4f309 | 5044 | if (dummy != res->sr_slot->seq_nr) { |
fc01cea9 AA |
5045 | dprintk("%s Invalid sequence number\n", __func__); |
5046 | goto out_err; | |
5047 | } | |
5048 | /* slot id */ | |
6f723f77 | 5049 | dummy = be32_to_cpup(p++); |
dfb4f309 | 5050 | if (dummy != res->sr_slot - res->sr_session->fc_slot_table.slots) { |
fc01cea9 AA |
5051 | dprintk("%s Invalid slot id\n", __func__); |
5052 | goto out_err; | |
5053 | } | |
5054 | /* highest slot id - currently not processed */ | |
6f723f77 | 5055 | dummy = be32_to_cpup(p++); |
fc01cea9 | 5056 | /* target highest slot id - currently not processed */ |
6f723f77 | 5057 | dummy = be32_to_cpup(p++); |
0629e370 AB |
5058 | /* result flags */ |
5059 | res->sr_status_flags = be32_to_cpup(p); | |
fc01cea9 AA |
5060 | status = 0; |
5061 | out_err: | |
5062 | res->sr_status = status; | |
5063 | return status; | |
c0eae66e BH |
5064 | out_overflow: |
5065 | print_overflow_msg(__func__, xdr); | |
5066 | status = -EIO; | |
5067 | goto out_err; | |
fc01cea9 | 5068 | #else /* CONFIG_NFS_V4_1 */ |
9b7b9fcc | 5069 | return 0; |
fc01cea9 | 5070 | #endif /* CONFIG_NFS_V4_1 */ |
9b7b9fcc AA |
5071 | } |
5072 | ||
b1f69b75 AA |
5073 | #if defined(CONFIG_NFS_V4_1) |
5074 | ||
5075 | static int decode_getdeviceinfo(struct xdr_stream *xdr, | |
5076 | struct pnfs_device *pdev) | |
5077 | { | |
5078 | __be32 *p; | |
5079 | uint32_t len, type; | |
5080 | int status; | |
5081 | ||
5082 | status = decode_op_hdr(xdr, OP_GETDEVICEINFO); | |
5083 | if (status) { | |
5084 | if (status == -ETOOSMALL) { | |
5085 | p = xdr_inline_decode(xdr, 4); | |
5086 | if (unlikely(!p)) | |
5087 | goto out_overflow; | |
5088 | pdev->mincount = be32_to_cpup(p); | |
5089 | dprintk("%s: Min count too small. mincnt = %u\n", | |
5090 | __func__, pdev->mincount); | |
5091 | } | |
5092 | return status; | |
5093 | } | |
5094 | ||
5095 | p = xdr_inline_decode(xdr, 8); | |
5096 | if (unlikely(!p)) | |
5097 | goto out_overflow; | |
5098 | type = be32_to_cpup(p++); | |
5099 | if (type != pdev->layout_type) { | |
5100 | dprintk("%s: layout mismatch req: %u pdev: %u\n", | |
5101 | __func__, pdev->layout_type, type); | |
5102 | return -EINVAL; | |
5103 | } | |
5104 | /* | |
5105 | * Get the length of the opaque device_addr4. xdr_read_pages places | |
5106 | * the opaque device_addr4 in the xdr_buf->pages (pnfs_device->pages) | |
5107 | * and places the remaining xdr data in xdr_buf->tail | |
5108 | */ | |
5109 | pdev->mincount = be32_to_cpup(p); | |
5110 | xdr_read_pages(xdr, pdev->mincount); /* include space for the length */ | |
5111 | ||
5112 | /* Parse notification bitmap, verifying that it is zero. */ | |
5113 | p = xdr_inline_decode(xdr, 4); | |
5114 | if (unlikely(!p)) | |
5115 | goto out_overflow; | |
5116 | len = be32_to_cpup(p); | |
5117 | if (len) { | |
ead00597 | 5118 | uint32_t i; |
b1f69b75 AA |
5119 | |
5120 | p = xdr_inline_decode(xdr, 4 * len); | |
5121 | if (unlikely(!p)) | |
5122 | goto out_overflow; | |
5123 | for (i = 0; i < len; i++, p++) { | |
5124 | if (be32_to_cpup(p)) { | |
5125 | dprintk("%s: notifications not supported\n", | |
5126 | __func__); | |
5127 | return -EIO; | |
5128 | } | |
5129 | } | |
5130 | } | |
5131 | return 0; | |
5132 | out_overflow: | |
5133 | print_overflow_msg(__func__, xdr); | |
5134 | return -EIO; | |
5135 | } | |
5136 | ||
5137 | static int decode_layoutget(struct xdr_stream *xdr, struct rpc_rqst *req, | |
5138 | struct nfs4_layoutget_res *res) | |
5139 | { | |
5140 | __be32 *p; | |
5141 | int status; | |
5142 | u32 layout_count; | |
35124a09 WAA |
5143 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; |
5144 | struct kvec *iov = rcvbuf->head; | |
5145 | u32 hdrlen, recvd; | |
b1f69b75 AA |
5146 | |
5147 | status = decode_op_hdr(xdr, OP_LAYOUTGET); | |
5148 | if (status) | |
5149 | return status; | |
5150 | p = xdr_inline_decode(xdr, 8 + NFS4_STATEID_SIZE); | |
5151 | if (unlikely(!p)) | |
5152 | goto out_overflow; | |
5153 | res->return_on_close = be32_to_cpup(p++); | |
5154 | p = xdr_decode_opaque_fixed(p, res->stateid.data, NFS4_STATEID_SIZE); | |
5155 | layout_count = be32_to_cpup(p); | |
5156 | if (!layout_count) { | |
5157 | dprintk("%s: server responded with empty layout array\n", | |
5158 | __func__); | |
5159 | return -EINVAL; | |
5160 | } | |
5161 | ||
35124a09 | 5162 | p = xdr_inline_decode(xdr, 28); |
b1f69b75 AA |
5163 | if (unlikely(!p)) |
5164 | goto out_overflow; | |
5165 | p = xdr_decode_hyper(p, &res->range.offset); | |
5166 | p = xdr_decode_hyper(p, &res->range.length); | |
5167 | res->range.iomode = be32_to_cpup(p++); | |
5168 | res->type = be32_to_cpup(p++); | |
35124a09 | 5169 | res->layoutp->len = be32_to_cpup(p); |
b1f69b75 AA |
5170 | |
5171 | dprintk("%s roff:%lu rlen:%lu riomode:%d, lo_type:0x%x, lo.len:%d\n", | |
5172 | __func__, | |
5173 | (unsigned long)res->range.offset, | |
5174 | (unsigned long)res->range.length, | |
5175 | res->range.iomode, | |
5176 | res->type, | |
35124a09 WAA |
5177 | res->layoutp->len); |
5178 | ||
5179 | hdrlen = (u8 *) xdr->p - (u8 *) iov->iov_base; | |
5180 | recvd = req->rq_rcv_buf.len - hdrlen; | |
5181 | if (res->layoutp->len > recvd) { | |
5182 | dprintk("NFS: server cheating in layoutget reply: " | |
5183 | "layout len %u > recvd %u\n", | |
5184 | res->layoutp->len, recvd); | |
5185 | return -EINVAL; | |
5186 | } | |
b1f69b75 | 5187 | |
35124a09 | 5188 | xdr_read_pages(xdr, res->layoutp->len); |
b1f69b75 AA |
5189 | |
5190 | if (layout_count > 1) { | |
5191 | /* We only handle a length one array at the moment. Any | |
5192 | * further entries are just ignored. Note that this means | |
5193 | * the client may see a response that is less than the | |
5194 | * minimum it requested. | |
5195 | */ | |
5196 | dprintk("%s: server responded with %d layouts, dropping tail\n", | |
5197 | __func__, layout_count); | |
5198 | } | |
5199 | ||
5200 | return 0; | |
5201 | out_overflow: | |
5202 | print_overflow_msg(__func__, xdr); | |
5203 | return -EIO; | |
5204 | } | |
863a3c6c AA |
5205 | |
5206 | static int decode_layoutcommit(struct xdr_stream *xdr, | |
5207 | struct rpc_rqst *req, | |
5208 | struct nfs4_layoutcommit_res *res) | |
5209 | { | |
5210 | __be32 *p; | |
5211 | __u32 sizechanged; | |
5212 | int status; | |
5213 | ||
5214 | status = decode_op_hdr(xdr, OP_LAYOUTCOMMIT); | |
5215 | if (status) | |
5216 | return status; | |
5217 | ||
5218 | p = xdr_inline_decode(xdr, 4); | |
5219 | if (unlikely(!p)) | |
5220 | goto out_overflow; | |
5221 | sizechanged = be32_to_cpup(p); | |
5222 | ||
5223 | if (sizechanged) { | |
5224 | /* throw away new size */ | |
5225 | p = xdr_inline_decode(xdr, 8); | |
5226 | if (unlikely(!p)) | |
5227 | goto out_overflow; | |
5228 | } | |
5229 | return 0; | |
5230 | out_overflow: | |
5231 | print_overflow_msg(__func__, xdr); | |
5232 | return -EIO; | |
5233 | } | |
b1f69b75 AA |
5234 | #endif /* CONFIG_NFS_V4_1 */ |
5235 | ||
49c2559e BH |
5236 | /* |
5237 | * END OF "GENERIC" DECODE ROUTINES. | |
5238 | */ | |
5239 | ||
1da177e4 LT |
5240 | /* |
5241 | * Decode OPEN_DOWNGRADE response | |
5242 | */ | |
bf269551 CL |
5243 | static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst *rqstp, |
5244 | struct xdr_stream *xdr, | |
5245 | struct nfs_closeres *res) | |
1da177e4 | 5246 | { |
05d564fe AA |
5247 | struct compound_hdr hdr; |
5248 | int status; | |
5249 | ||
bf269551 | 5250 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5251 | if (status) |
5252 | goto out; | |
bf269551 | 5253 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
5254 | if (status) |
5255 | goto out; | |
bf269551 | 5256 | status = decode_putfh(xdr); |
05d564fe AA |
5257 | if (status) |
5258 | goto out; | |
bf269551 | 5259 | status = decode_open_downgrade(xdr, res); |
516a6af6 TM |
5260 | if (status != 0) |
5261 | goto out; | |
bf269551 | 5262 | decode_getfattr(xdr, res->fattr, res->server, |
80e52ace | 5263 | !RPC_IS_ASYNC(rqstp->rq_task)); |
1da177e4 | 5264 | out: |
05d564fe | 5265 | return status; |
1da177e4 LT |
5266 | } |
5267 | ||
1da177e4 LT |
5268 | /* |
5269 | * Decode ACCESS response | |
5270 | */ | |
bf269551 CL |
5271 | static int nfs4_xdr_dec_access(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5272 | struct nfs4_accessres *res) | |
1da177e4 | 5273 | { |
1da177e4 LT |
5274 | struct compound_hdr hdr; |
5275 | int status; | |
6c0195a4 | 5276 | |
bf269551 | 5277 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5278 | if (status) |
5279 | goto out; | |
bf269551 | 5280 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5281 | if (status) |
1da177e4 | 5282 | goto out; |
bf269551 | 5283 | status = decode_putfh(xdr); |
76b32999 TM |
5284 | if (status != 0) |
5285 | goto out; | |
bf269551 | 5286 | status = decode_access(xdr, res); |
76b32999 TM |
5287 | if (status != 0) |
5288 | goto out; | |
bf269551 | 5289 | decode_getfattr(xdr, res->fattr, res->server, |
80e52ace | 5290 | !RPC_IS_ASYNC(rqstp->rq_task)); |
1da177e4 LT |
5291 | out: |
5292 | return status; | |
5293 | } | |
5294 | ||
5295 | /* | |
5296 | * Decode LOOKUP response | |
5297 | */ | |
bf269551 CL |
5298 | static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5299 | struct nfs4_lookup_res *res) | |
1da177e4 | 5300 | { |
1da177e4 LT |
5301 | struct compound_hdr hdr; |
5302 | int status; | |
6c0195a4 | 5303 | |
bf269551 | 5304 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5305 | if (status) |
5306 | goto out; | |
bf269551 | 5307 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5308 | if (status) |
1da177e4 | 5309 | goto out; |
bf269551 CL |
5310 | status = decode_putfh(xdr); |
5311 | if (status) | |
1da177e4 | 5312 | goto out; |
bf269551 CL |
5313 | status = decode_lookup(xdr); |
5314 | if (status) | |
1da177e4 | 5315 | goto out; |
bf269551 CL |
5316 | status = decode_getfh(xdr, res->fh); |
5317 | if (status) | |
1da177e4 | 5318 | goto out; |
bf269551 | 5319 | status = decode_getfattr(xdr, res->fattr, res->server |
80e52ace | 5320 | ,!RPC_IS_ASYNC(rqstp->rq_task)); |
1da177e4 LT |
5321 | out: |
5322 | return status; | |
5323 | } | |
5324 | ||
5325 | /* | |
5326 | * Decode LOOKUP_ROOT response | |
5327 | */ | |
bf269551 CL |
5328 | static int nfs4_xdr_dec_lookup_root(struct rpc_rqst *rqstp, |
5329 | struct xdr_stream *xdr, | |
5330 | struct nfs4_lookup_res *res) | |
1da177e4 | 5331 | { |
1da177e4 LT |
5332 | struct compound_hdr hdr; |
5333 | int status; | |
6c0195a4 | 5334 | |
bf269551 | 5335 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5336 | if (status) |
5337 | goto out; | |
bf269551 | 5338 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5339 | if (status) |
1da177e4 | 5340 | goto out; |
bf269551 CL |
5341 | status = decode_putrootfh(xdr); |
5342 | if (status) | |
1da177e4 | 5343 | goto out; |
bf269551 CL |
5344 | status = decode_getfh(xdr, res->fh); |
5345 | if (status == 0) | |
5346 | status = decode_getfattr(xdr, res->fattr, res->server, | |
80e52ace | 5347 | !RPC_IS_ASYNC(rqstp->rq_task)); |
1da177e4 LT |
5348 | out: |
5349 | return status; | |
5350 | } | |
5351 | ||
5352 | /* | |
5353 | * Decode REMOVE response | |
5354 | */ | |
bf269551 CL |
5355 | static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5356 | struct nfs_removeres *res) | |
1da177e4 | 5357 | { |
1da177e4 LT |
5358 | struct compound_hdr hdr; |
5359 | int status; | |
6c0195a4 | 5360 | |
bf269551 | 5361 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5362 | if (status) |
5363 | goto out; | |
bf269551 | 5364 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5365 | if (status) |
1da177e4 | 5366 | goto out; |
bf269551 CL |
5367 | status = decode_putfh(xdr); |
5368 | if (status) | |
16e42959 | 5369 | goto out; |
bf269551 CL |
5370 | status = decode_remove(xdr, &res->cinfo); |
5371 | if (status) | |
16e42959 | 5372 | goto out; |
bf269551 | 5373 | decode_getfattr(xdr, res->dir_attr, res->server, |
80e52ace | 5374 | !RPC_IS_ASYNC(rqstp->rq_task)); |
1da177e4 LT |
5375 | out: |
5376 | return status; | |
5377 | } | |
5378 | ||
5379 | /* | |
5380 | * Decode RENAME response | |
5381 | */ | |
bf269551 CL |
5382 | static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5383 | struct nfs_renameres *res) | |
1da177e4 | 5384 | { |
1da177e4 LT |
5385 | struct compound_hdr hdr; |
5386 | int status; | |
6c0195a4 | 5387 | |
bf269551 | 5388 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5389 | if (status) |
5390 | goto out; | |
bf269551 | 5391 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5392 | if (status) |
1da177e4 | 5393 | goto out; |
bf269551 CL |
5394 | status = decode_putfh(xdr); |
5395 | if (status) | |
1da177e4 | 5396 | goto out; |
bf269551 CL |
5397 | status = decode_savefh(xdr); |
5398 | if (status) | |
1da177e4 | 5399 | goto out; |
bf269551 CL |
5400 | status = decode_putfh(xdr); |
5401 | if (status) | |
1da177e4 | 5402 | goto out; |
bf269551 CL |
5403 | status = decode_rename(xdr, &res->old_cinfo, &res->new_cinfo); |
5404 | if (status) | |
6caf2c82 TM |
5405 | goto out; |
5406 | /* Current FH is target directory */ | |
bf269551 | 5407 | if (decode_getfattr(xdr, res->new_fattr, res->server, |
80e52ace | 5408 | !RPC_IS_ASYNC(rqstp->rq_task)) != 0) |
6caf2c82 | 5409 | goto out; |
bf269551 CL |
5410 | status = decode_restorefh(xdr); |
5411 | if (status) | |
6caf2c82 | 5412 | goto out; |
bf269551 | 5413 | decode_getfattr(xdr, res->old_fattr, res->server, |
80e52ace | 5414 | !RPC_IS_ASYNC(rqstp->rq_task)); |
1da177e4 LT |
5415 | out: |
5416 | return status; | |
5417 | } | |
5418 | ||
5419 | /* | |
5420 | * Decode LINK response | |
5421 | */ | |
bf269551 CL |
5422 | static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5423 | struct nfs4_link_res *res) | |
1da177e4 | 5424 | { |
1da177e4 LT |
5425 | struct compound_hdr hdr; |
5426 | int status; | |
6c0195a4 | 5427 | |
bf269551 | 5428 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5429 | if (status) |
5430 | goto out; | |
bf269551 | 5431 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5432 | if (status) |
1da177e4 | 5433 | goto out; |
bf269551 CL |
5434 | status = decode_putfh(xdr); |
5435 | if (status) | |
1da177e4 | 5436 | goto out; |
bf269551 CL |
5437 | status = decode_savefh(xdr); |
5438 | if (status) | |
1da177e4 | 5439 | goto out; |
bf269551 CL |
5440 | status = decode_putfh(xdr); |
5441 | if (status) | |
1da177e4 | 5442 | goto out; |
bf269551 CL |
5443 | status = decode_link(xdr, &res->cinfo); |
5444 | if (status) | |
91ba2eee TM |
5445 | goto out; |
5446 | /* | |
5447 | * Note order: OP_LINK leaves the directory as the current | |
5448 | * filehandle. | |
5449 | */ | |
bf269551 | 5450 | if (decode_getfattr(xdr, res->dir_attr, res->server, |
80e52ace | 5451 | !RPC_IS_ASYNC(rqstp->rq_task)) != 0) |
91ba2eee | 5452 | goto out; |
bf269551 CL |
5453 | status = decode_restorefh(xdr); |
5454 | if (status) | |
91ba2eee | 5455 | goto out; |
bf269551 | 5456 | decode_getfattr(xdr, res->fattr, res->server, |
80e52ace | 5457 | !RPC_IS_ASYNC(rqstp->rq_task)); |
1da177e4 LT |
5458 | out: |
5459 | return status; | |
5460 | } | |
5461 | ||
5462 | /* | |
5463 | * Decode CREATE response | |
5464 | */ | |
bf269551 CL |
5465 | static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5466 | struct nfs4_create_res *res) | |
1da177e4 | 5467 | { |
1da177e4 LT |
5468 | struct compound_hdr hdr; |
5469 | int status; | |
6c0195a4 | 5470 | |
bf269551 | 5471 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5472 | if (status) |
5473 | goto out; | |
bf269551 | 5474 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5475 | if (status) |
1da177e4 | 5476 | goto out; |
bf269551 CL |
5477 | status = decode_putfh(xdr); |
5478 | if (status) | |
1da177e4 | 5479 | goto out; |
bf269551 CL |
5480 | status = decode_savefh(xdr); |
5481 | if (status) | |
56ae19f3 | 5482 | goto out; |
bf269551 CL |
5483 | status = decode_create(xdr, &res->dir_cinfo); |
5484 | if (status) | |
1da177e4 | 5485 | goto out; |
bf269551 CL |
5486 | status = decode_getfh(xdr, res->fh); |
5487 | if (status) | |
1da177e4 | 5488 | goto out; |
bf269551 | 5489 | if (decode_getfattr(xdr, res->fattr, res->server, |
80e52ace | 5490 | !RPC_IS_ASYNC(rqstp->rq_task)) != 0) |
56ae19f3 | 5491 | goto out; |
bf269551 CL |
5492 | status = decode_restorefh(xdr); |
5493 | if (status) | |
56ae19f3 | 5494 | goto out; |
bf269551 | 5495 | decode_getfattr(xdr, res->dir_fattr, res->server, |
80e52ace | 5496 | !RPC_IS_ASYNC(rqstp->rq_task)); |
1da177e4 LT |
5497 | out: |
5498 | return status; | |
5499 | } | |
5500 | ||
5501 | /* | |
5502 | * Decode SYMLINK response | |
5503 | */ | |
bf269551 CL |
5504 | static int nfs4_xdr_dec_symlink(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5505 | struct nfs4_create_res *res) | |
1da177e4 | 5506 | { |
bf269551 | 5507 | return nfs4_xdr_dec_create(rqstp, xdr, res); |
1da177e4 LT |
5508 | } |
5509 | ||
5510 | /* | |
5511 | * Decode GETATTR response | |
5512 | */ | |
bf269551 CL |
5513 | static int nfs4_xdr_dec_getattr(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5514 | struct nfs4_getattr_res *res) | |
1da177e4 | 5515 | { |
1da177e4 LT |
5516 | struct compound_hdr hdr; |
5517 | int status; | |
6c0195a4 | 5518 | |
bf269551 | 5519 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5520 | if (status) |
5521 | goto out; | |
bf269551 | 5522 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
5523 | if (status) |
5524 | goto out; | |
bf269551 | 5525 | status = decode_putfh(xdr); |
1da177e4 LT |
5526 | if (status) |
5527 | goto out; | |
bf269551 | 5528 | status = decode_getfattr(xdr, res->fattr, res->server, |
80e52ace | 5529 | !RPC_IS_ASYNC(rqstp->rq_task)); |
1da177e4 LT |
5530 | out: |
5531 | return status; | |
1da177e4 LT |
5532 | } |
5533 | ||
23ec6965 BF |
5534 | /* |
5535 | * Encode an SETACL request | |
5536 | */ | |
9f06c719 CL |
5537 | static void nfs4_xdr_enc_setacl(struct rpc_rqst *req, struct xdr_stream *xdr, |
5538 | struct nfs_setaclargs *args) | |
23ec6965 | 5539 | { |
05d564fe | 5540 | struct compound_hdr hdr = { |
66cc0429 | 5541 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 5542 | }; |
05d564fe | 5543 | |
9f06c719 CL |
5544 | encode_compound_hdr(xdr, req, &hdr); |
5545 | encode_sequence(xdr, &args->seq_args, &hdr); | |
5546 | encode_putfh(xdr, args->fh, &hdr); | |
5547 | encode_setacl(xdr, args, &hdr); | |
d017931c | 5548 | encode_nops(&hdr); |
23ec6965 | 5549 | } |
05d564fe | 5550 | |
23ec6965 BF |
5551 | /* |
5552 | * Decode SETACL response | |
5553 | */ | |
5554 | static int | |
bf269551 | 5555 | nfs4_xdr_dec_setacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
73c403a9 | 5556 | struct nfs_setaclres *res) |
23ec6965 | 5557 | { |
23ec6965 BF |
5558 | struct compound_hdr hdr; |
5559 | int status; | |
5560 | ||
bf269551 | 5561 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5562 | if (status) |
5563 | goto out; | |
bf269551 | 5564 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
23ec6965 BF |
5565 | if (status) |
5566 | goto out; | |
bf269551 | 5567 | status = decode_putfh(xdr); |
23ec6965 BF |
5568 | if (status) |
5569 | goto out; | |
bf269551 | 5570 | status = decode_setattr(xdr); |
23ec6965 BF |
5571 | out: |
5572 | return status; | |
5573 | } | |
1da177e4 | 5574 | |
029d105e BF |
5575 | /* |
5576 | * Decode GETACL response | |
5577 | */ | |
5578 | static int | |
bf269551 | 5579 | nfs4_xdr_dec_getacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
663c79b3 | 5580 | struct nfs_getaclres *res) |
029d105e | 5581 | { |
029d105e BF |
5582 | struct compound_hdr hdr; |
5583 | int status; | |
5584 | ||
bf269551 | 5585 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5586 | if (status) |
5587 | goto out; | |
bf269551 | 5588 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
029d105e BF |
5589 | if (status) |
5590 | goto out; | |
bf269551 | 5591 | status = decode_putfh(xdr); |
029d105e BF |
5592 | if (status) |
5593 | goto out; | |
bf269551 | 5594 | status = decode_getacl(xdr, rqstp, &res->acl_len); |
029d105e BF |
5595 | |
5596 | out: | |
5597 | return status; | |
5598 | } | |
5599 | ||
1da177e4 LT |
5600 | /* |
5601 | * Decode CLOSE response | |
5602 | */ | |
bf269551 CL |
5603 | static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5604 | struct nfs_closeres *res) | |
1da177e4 | 5605 | { |
05d564fe AA |
5606 | struct compound_hdr hdr; |
5607 | int status; | |
5608 | ||
bf269551 | 5609 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5610 | if (status) |
5611 | goto out; | |
bf269551 | 5612 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
5613 | if (status) |
5614 | goto out; | |
bf269551 | 5615 | status = decode_putfh(xdr); |
05d564fe AA |
5616 | if (status) |
5617 | goto out; | |
bf269551 | 5618 | status = decode_close(xdr, res); |
516a6af6 TM |
5619 | if (status != 0) |
5620 | goto out; | |
5621 | /* | |
5622 | * Note: Server may do delete on close for this file | |
5623 | * in which case the getattr call will fail with | |
5624 | * an ESTALE error. Shouldn't be a problem, | |
5625 | * though, since fattr->valid will remain unset. | |
5626 | */ | |
bf269551 | 5627 | decode_getfattr(xdr, res->fattr, res->server, |
80e52ace | 5628 | !RPC_IS_ASYNC(rqstp->rq_task)); |
1da177e4 | 5629 | out: |
05d564fe | 5630 | return status; |
1da177e4 LT |
5631 | } |
5632 | ||
5633 | /* | |
5634 | * Decode OPEN response | |
5635 | */ | |
bf269551 CL |
5636 | static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5637 | struct nfs_openres *res) | |
1da177e4 | 5638 | { |
05d564fe AA |
5639 | struct compound_hdr hdr; |
5640 | int status; | |
5641 | ||
bf269551 | 5642 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5643 | if (status) |
5644 | goto out; | |
bf269551 | 5645 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
5646 | if (status) |
5647 | goto out; | |
bf269551 | 5648 | status = decode_putfh(xdr); |
05d564fe AA |
5649 | if (status) |
5650 | goto out; | |
bf269551 | 5651 | status = decode_savefh(xdr); |
05d564fe AA |
5652 | if (status) |
5653 | goto out; | |
bf269551 | 5654 | status = decode_open(xdr, res); |
56ae19f3 TM |
5655 | if (status) |
5656 | goto out; | |
bf269551 | 5657 | if (decode_getfh(xdr, &res->fh) != 0) |
1da177e4 | 5658 | goto out; |
bf269551 | 5659 | if (decode_getfattr(xdr, res->f_attr, res->server, |
80e52ace | 5660 | !RPC_IS_ASYNC(rqstp->rq_task)) != 0) |
56ae19f3 | 5661 | goto out; |
bf269551 | 5662 | if (decode_restorefh(xdr) != 0) |
56ae19f3 | 5663 | goto out; |
bf269551 | 5664 | decode_getfattr(xdr, res->dir_attr, res->server, |
80e52ace | 5665 | !RPC_IS_ASYNC(rqstp->rq_task)); |
1da177e4 | 5666 | out: |
05d564fe | 5667 | return status; |
1da177e4 LT |
5668 | } |
5669 | ||
5670 | /* | |
5671 | * Decode OPEN_CONFIRM response | |
5672 | */ | |
bf269551 CL |
5673 | static int nfs4_xdr_dec_open_confirm(struct rpc_rqst *rqstp, |
5674 | struct xdr_stream *xdr, | |
5675 | struct nfs_open_confirmres *res) | |
1da177e4 | 5676 | { |
05d564fe AA |
5677 | struct compound_hdr hdr; |
5678 | int status; | |
5679 | ||
bf269551 | 5680 | status = decode_compound_hdr(xdr, &hdr); |
05d564fe AA |
5681 | if (status) |
5682 | goto out; | |
bf269551 | 5683 | status = decode_putfh(xdr); |
05d564fe AA |
5684 | if (status) |
5685 | goto out; | |
bf269551 | 5686 | status = decode_open_confirm(xdr, res); |
1da177e4 | 5687 | out: |
05d564fe | 5688 | return status; |
1da177e4 LT |
5689 | } |
5690 | ||
5691 | /* | |
5692 | * Decode OPEN response | |
5693 | */ | |
bf269551 CL |
5694 | static int nfs4_xdr_dec_open_noattr(struct rpc_rqst *rqstp, |
5695 | struct xdr_stream *xdr, | |
5696 | struct nfs_openres *res) | |
1da177e4 | 5697 | { |
05d564fe AA |
5698 | struct compound_hdr hdr; |
5699 | int status; | |
5700 | ||
bf269551 | 5701 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5702 | if (status) |
5703 | goto out; | |
bf269551 | 5704 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
5705 | if (status) |
5706 | goto out; | |
bf269551 | 5707 | status = decode_putfh(xdr); |
05d564fe AA |
5708 | if (status) |
5709 | goto out; | |
bf269551 | 5710 | status = decode_open(xdr, res); |
05d564fe AA |
5711 | if (status) |
5712 | goto out; | |
bf269551 | 5713 | decode_getfattr(xdr, res->f_attr, res->server, |
80e52ace | 5714 | !RPC_IS_ASYNC(rqstp->rq_task)); |
1da177e4 | 5715 | out: |
05d564fe | 5716 | return status; |
1da177e4 LT |
5717 | } |
5718 | ||
5719 | /* | |
5720 | * Decode SETATTR response | |
5721 | */ | |
bf269551 CL |
5722 | static int nfs4_xdr_dec_setattr(struct rpc_rqst *rqstp, |
5723 | struct xdr_stream *xdr, | |
5724 | struct nfs_setattrres *res) | |
1da177e4 | 5725 | { |
05d564fe AA |
5726 | struct compound_hdr hdr; |
5727 | int status; | |
5728 | ||
bf269551 | 5729 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5730 | if (status) |
5731 | goto out; | |
bf269551 | 5732 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
5733 | if (status) |
5734 | goto out; | |
bf269551 | 5735 | status = decode_putfh(xdr); |
05d564fe AA |
5736 | if (status) |
5737 | goto out; | |
bf269551 | 5738 | status = decode_setattr(xdr); |
05d564fe AA |
5739 | if (status) |
5740 | goto out; | |
bf269551 | 5741 | decode_getfattr(xdr, res->fattr, res->server, |
80e52ace | 5742 | !RPC_IS_ASYNC(rqstp->rq_task)); |
1da177e4 | 5743 | out: |
05d564fe | 5744 | return status; |
1da177e4 LT |
5745 | } |
5746 | ||
5747 | /* | |
5748 | * Decode LOCK response | |
5749 | */ | |
bf269551 CL |
5750 | static int nfs4_xdr_dec_lock(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5751 | struct nfs_lock_res *res) | |
1da177e4 | 5752 | { |
1da177e4 LT |
5753 | struct compound_hdr hdr; |
5754 | int status; | |
5755 | ||
bf269551 | 5756 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5757 | if (status) |
5758 | goto out; | |
bf269551 | 5759 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
5760 | if (status) |
5761 | goto out; | |
bf269551 | 5762 | status = decode_putfh(xdr); |
1da177e4 LT |
5763 | if (status) |
5764 | goto out; | |
bf269551 | 5765 | status = decode_lock(xdr, res); |
1da177e4 LT |
5766 | out: |
5767 | return status; | |
5768 | } | |
5769 | ||
5770 | /* | |
5771 | * Decode LOCKT response | |
5772 | */ | |
bf269551 CL |
5773 | static int nfs4_xdr_dec_lockt(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5774 | struct nfs_lockt_res *res) | |
1da177e4 | 5775 | { |
1da177e4 LT |
5776 | struct compound_hdr hdr; |
5777 | int status; | |
5778 | ||
bf269551 | 5779 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5780 | if (status) |
5781 | goto out; | |
bf269551 | 5782 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
5783 | if (status) |
5784 | goto out; | |
bf269551 | 5785 | status = decode_putfh(xdr); |
1da177e4 LT |
5786 | if (status) |
5787 | goto out; | |
bf269551 | 5788 | status = decode_lockt(xdr, res); |
1da177e4 LT |
5789 | out: |
5790 | return status; | |
5791 | } | |
5792 | ||
5793 | /* | |
5794 | * Decode LOCKU response | |
5795 | */ | |
bf269551 CL |
5796 | static int nfs4_xdr_dec_locku(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5797 | struct nfs_locku_res *res) | |
1da177e4 | 5798 | { |
1da177e4 LT |
5799 | struct compound_hdr hdr; |
5800 | int status; | |
5801 | ||
bf269551 | 5802 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5803 | if (status) |
5804 | goto out; | |
bf269551 | 5805 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
5806 | if (status) |
5807 | goto out; | |
bf269551 | 5808 | status = decode_putfh(xdr); |
1da177e4 LT |
5809 | if (status) |
5810 | goto out; | |
bf269551 | 5811 | status = decode_locku(xdr, res); |
1da177e4 LT |
5812 | out: |
5813 | return status; | |
5814 | } | |
5815 | ||
bf269551 CL |
5816 | static int nfs4_xdr_dec_release_lockowner(struct rpc_rqst *rqstp, |
5817 | struct xdr_stream *xdr, void *dummy) | |
d3c7b7cc | 5818 | { |
d3c7b7cc TM |
5819 | struct compound_hdr hdr; |
5820 | int status; | |
5821 | ||
bf269551 | 5822 | status = decode_compound_hdr(xdr, &hdr); |
d3c7b7cc | 5823 | if (!status) |
bf269551 | 5824 | status = decode_release_lockowner(xdr); |
d3c7b7cc TM |
5825 | return status; |
5826 | } | |
5827 | ||
1da177e4 LT |
5828 | /* |
5829 | * Decode READLINK response | |
5830 | */ | |
bf269551 CL |
5831 | static int nfs4_xdr_dec_readlink(struct rpc_rqst *rqstp, |
5832 | struct xdr_stream *xdr, | |
f50c7000 | 5833 | struct nfs4_readlink_res *res) |
1da177e4 | 5834 | { |
1da177e4 LT |
5835 | struct compound_hdr hdr; |
5836 | int status; | |
5837 | ||
bf269551 | 5838 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5839 | if (status) |
5840 | goto out; | |
bf269551 | 5841 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
5842 | if (status) |
5843 | goto out; | |
bf269551 | 5844 | status = decode_putfh(xdr); |
1da177e4 LT |
5845 | if (status) |
5846 | goto out; | |
bf269551 | 5847 | status = decode_readlink(xdr, rqstp); |
1da177e4 LT |
5848 | out: |
5849 | return status; | |
5850 | } | |
5851 | ||
5852 | /* | |
5853 | * Decode READDIR response | |
5854 | */ | |
bf269551 CL |
5855 | static int nfs4_xdr_dec_readdir(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5856 | struct nfs4_readdir_res *res) | |
1da177e4 | 5857 | { |
1da177e4 LT |
5858 | struct compound_hdr hdr; |
5859 | int status; | |
5860 | ||
bf269551 | 5861 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5862 | if (status) |
5863 | goto out; | |
bf269551 | 5864 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
5865 | if (status) |
5866 | goto out; | |
bf269551 | 5867 | status = decode_putfh(xdr); |
1da177e4 LT |
5868 | if (status) |
5869 | goto out; | |
bf269551 | 5870 | status = decode_readdir(xdr, rqstp, res); |
1da177e4 LT |
5871 | out: |
5872 | return status; | |
5873 | } | |
5874 | ||
5875 | /* | |
5876 | * Decode Read response | |
5877 | */ | |
bf269551 CL |
5878 | static int nfs4_xdr_dec_read(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5879 | struct nfs_readres *res) | |
1da177e4 | 5880 | { |
1da177e4 LT |
5881 | struct compound_hdr hdr; |
5882 | int status; | |
5883 | ||
bf269551 | 5884 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5885 | if (status) |
5886 | goto out; | |
bf269551 | 5887 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
5888 | if (status) |
5889 | goto out; | |
bf269551 | 5890 | status = decode_putfh(xdr); |
1da177e4 LT |
5891 | if (status) |
5892 | goto out; | |
bf269551 | 5893 | status = decode_read(xdr, rqstp, res); |
1da177e4 LT |
5894 | if (!status) |
5895 | status = res->count; | |
5896 | out: | |
5897 | return status; | |
5898 | } | |
5899 | ||
5900 | /* | |
5901 | * Decode WRITE response | |
5902 | */ | |
bf269551 CL |
5903 | static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5904 | struct nfs_writeres *res) | |
1da177e4 | 5905 | { |
1da177e4 LT |
5906 | struct compound_hdr hdr; |
5907 | int status; | |
5908 | ||
bf269551 | 5909 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5910 | if (status) |
5911 | goto out; | |
bf269551 | 5912 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
5913 | if (status) |
5914 | goto out; | |
bf269551 | 5915 | status = decode_putfh(xdr); |
1da177e4 LT |
5916 | if (status) |
5917 | goto out; | |
bf269551 | 5918 | status = decode_write(xdr, res); |
4f9838c7 TM |
5919 | if (status) |
5920 | goto out; | |
7ffd1064 FI |
5921 | if (res->fattr) |
5922 | decode_getfattr(xdr, res->fattr, res->server, | |
5923 | !RPC_IS_ASYNC(rqstp->rq_task)); | |
1da177e4 LT |
5924 | if (!status) |
5925 | status = res->count; | |
5926 | out: | |
5927 | return status; | |
5928 | } | |
5929 | ||
5930 | /* | |
5931 | * Decode COMMIT response | |
5932 | */ | |
bf269551 CL |
5933 | static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5934 | struct nfs_writeres *res) | |
1da177e4 | 5935 | { |
1da177e4 LT |
5936 | struct compound_hdr hdr; |
5937 | int status; | |
5938 | ||
bf269551 | 5939 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5940 | if (status) |
5941 | goto out; | |
bf269551 | 5942 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
5943 | if (status) |
5944 | goto out; | |
bf269551 | 5945 | status = decode_putfh(xdr); |
1da177e4 LT |
5946 | if (status) |
5947 | goto out; | |
bf269551 | 5948 | status = decode_commit(xdr, res); |
4f9838c7 TM |
5949 | if (status) |
5950 | goto out; | |
988b6dce FI |
5951 | if (res->fattr) |
5952 | decode_getfattr(xdr, res->fattr, res->server, | |
5953 | !RPC_IS_ASYNC(rqstp->rq_task)); | |
1da177e4 LT |
5954 | out: |
5955 | return status; | |
5956 | } | |
5957 | ||
5958 | /* | |
8b173218 | 5959 | * Decode FSINFO response |
1da177e4 | 5960 | */ |
bf269551 | 5961 | static int nfs4_xdr_dec_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, |
3dda5e43 | 5962 | struct nfs4_fsinfo_res *res) |
1da177e4 | 5963 | { |
1da177e4 LT |
5964 | struct compound_hdr hdr; |
5965 | int status; | |
5966 | ||
bf269551 | 5967 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 5968 | if (!status) |
bf269551 | 5969 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 5970 | if (!status) |
bf269551 | 5971 | status = decode_putfh(xdr); |
1da177e4 | 5972 | if (!status) |
bf269551 | 5973 | status = decode_fsinfo(xdr, res->fsinfo); |
1da177e4 LT |
5974 | return status; |
5975 | } | |
5976 | ||
5977 | /* | |
8b173218 | 5978 | * Decode PATHCONF response |
1da177e4 | 5979 | */ |
bf269551 | 5980 | static int nfs4_xdr_dec_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, |
d45b2989 | 5981 | struct nfs4_pathconf_res *res) |
1da177e4 | 5982 | { |
1da177e4 LT |
5983 | struct compound_hdr hdr; |
5984 | int status; | |
5985 | ||
bf269551 | 5986 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 5987 | if (!status) |
bf269551 | 5988 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 5989 | if (!status) |
bf269551 | 5990 | status = decode_putfh(xdr); |
1da177e4 | 5991 | if (!status) |
bf269551 | 5992 | status = decode_pathconf(xdr, res->pathconf); |
1da177e4 LT |
5993 | return status; |
5994 | } | |
5995 | ||
5996 | /* | |
8b173218 | 5997 | * Decode STATFS response |
1da177e4 | 5998 | */ |
bf269551 | 5999 | static int nfs4_xdr_dec_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, |
24ad148a | 6000 | struct nfs4_statfs_res *res) |
1da177e4 | 6001 | { |
1da177e4 LT |
6002 | struct compound_hdr hdr; |
6003 | int status; | |
6004 | ||
bf269551 | 6005 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6006 | if (!status) |
bf269551 | 6007 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6008 | if (!status) |
bf269551 | 6009 | status = decode_putfh(xdr); |
1da177e4 | 6010 | if (!status) |
bf269551 | 6011 | status = decode_statfs(xdr, res->fsstat); |
1da177e4 LT |
6012 | return status; |
6013 | } | |
6014 | ||
6015 | /* | |
8b173218 | 6016 | * Decode GETATTR_BITMAP response |
1da177e4 | 6017 | */ |
bf269551 CL |
6018 | static int nfs4_xdr_dec_server_caps(struct rpc_rqst *req, |
6019 | struct xdr_stream *xdr, | |
6020 | struct nfs4_server_caps_res *res) | |
1da177e4 | 6021 | { |
1da177e4 LT |
6022 | struct compound_hdr hdr; |
6023 | int status; | |
6024 | ||
bf269551 | 6025 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6026 | if (status) |
6027 | goto out; | |
bf269551 | 6028 | status = decode_sequence(xdr, &res->seq_res, req); |
9b7b9fcc | 6029 | if (status) |
1da177e4 | 6030 | goto out; |
bf269551 CL |
6031 | status = decode_putfh(xdr); |
6032 | if (status) | |
1da177e4 | 6033 | goto out; |
bf269551 | 6034 | status = decode_server_caps(xdr, res); |
1da177e4 LT |
6035 | out: |
6036 | return status; | |
6037 | } | |
6038 | ||
6039 | /* | |
6040 | * Decode RENEW response | |
6041 | */ | |
bf269551 CL |
6042 | static int nfs4_xdr_dec_renew(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6043 | void *__unused) | |
1da177e4 | 6044 | { |
1da177e4 LT |
6045 | struct compound_hdr hdr; |
6046 | int status; | |
6047 | ||
bf269551 | 6048 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6049 | if (!status) |
bf269551 | 6050 | status = decode_renew(xdr); |
1da177e4 LT |
6051 | return status; |
6052 | } | |
6053 | ||
6054 | /* | |
8b173218 | 6055 | * Decode SETCLIENTID response |
1da177e4 | 6056 | */ |
bf269551 CL |
6057 | static int nfs4_xdr_dec_setclientid(struct rpc_rqst *req, |
6058 | struct xdr_stream *xdr, | |
6059 | struct nfs4_setclientid_res *res) | |
1da177e4 | 6060 | { |
1da177e4 LT |
6061 | struct compound_hdr hdr; |
6062 | int status; | |
6063 | ||
bf269551 | 6064 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6065 | if (!status) |
bf269551 | 6066 | status = decode_setclientid(xdr, res); |
1da177e4 LT |
6067 | return status; |
6068 | } | |
6069 | ||
6070 | /* | |
8b173218 | 6071 | * Decode SETCLIENTID_CONFIRM response |
1da177e4 | 6072 | */ |
bf269551 CL |
6073 | static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst *req, |
6074 | struct xdr_stream *xdr, | |
6075 | struct nfs_fsinfo *fsinfo) | |
1da177e4 | 6076 | { |
1da177e4 LT |
6077 | struct compound_hdr hdr; |
6078 | int status; | |
6079 | ||
bf269551 | 6080 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6081 | if (!status) |
bf269551 | 6082 | status = decode_setclientid_confirm(xdr); |
1da177e4 | 6083 | if (!status) |
bf269551 | 6084 | status = decode_putrootfh(xdr); |
1da177e4 | 6085 | if (!status) |
bf269551 | 6086 | status = decode_fsinfo(xdr, fsinfo); |
1da177e4 LT |
6087 | return status; |
6088 | } | |
6089 | ||
6090 | /* | |
8b173218 | 6091 | * Decode DELEGRETURN response |
1da177e4 | 6092 | */ |
bf269551 CL |
6093 | static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, |
6094 | struct xdr_stream *xdr, | |
6095 | struct nfs4_delegreturnres *res) | |
1da177e4 | 6096 | { |
1da177e4 LT |
6097 | struct compound_hdr hdr; |
6098 | int status; | |
6099 | ||
bf269551 | 6100 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6101 | if (status) |
6102 | goto out; | |
bf269551 | 6103 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6104 | if (status) |
fa178f29 | 6105 | goto out; |
bf269551 | 6106 | status = decode_putfh(xdr); |
fa178f29 TM |
6107 | if (status != 0) |
6108 | goto out; | |
bf269551 | 6109 | status = decode_delegreturn(xdr); |
556ae3bb JL |
6110 | if (status != 0) |
6111 | goto out; | |
bf269551 | 6112 | decode_getfattr(xdr, res->fattr, res->server, |
80e52ace | 6113 | !RPC_IS_ASYNC(rqstp->rq_task)); |
fa178f29 | 6114 | out: |
1da177e4 LT |
6115 | return status; |
6116 | } | |
6117 | ||
683b57b4 | 6118 | /* |
8b173218 | 6119 | * Decode FS_LOCATIONS response |
683b57b4 | 6120 | */ |
bf269551 CL |
6121 | static int nfs4_xdr_dec_fs_locations(struct rpc_rqst *req, |
6122 | struct xdr_stream *xdr, | |
22958463 | 6123 | struct nfs4_fs_locations_res *res) |
683b57b4 | 6124 | { |
683b57b4 TM |
6125 | struct compound_hdr hdr; |
6126 | int status; | |
6127 | ||
bf269551 | 6128 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6129 | if (status) |
6130 | goto out; | |
bf269551 | 6131 | status = decode_sequence(xdr, &res->seq_res, req); |
9b7b9fcc | 6132 | if (status) |
683b57b4 | 6133 | goto out; |
bf269551 CL |
6134 | status = decode_putfh(xdr); |
6135 | if (status) | |
683b57b4 | 6136 | goto out; |
bf269551 CL |
6137 | status = decode_lookup(xdr); |
6138 | if (status) | |
683b57b4 | 6139 | goto out; |
bf269551 CL |
6140 | xdr_enter_page(xdr, PAGE_SIZE); |
6141 | status = decode_getfattr(xdr, &res->fs_locations->fattr, | |
80e52ace TM |
6142 | res->fs_locations->server, |
6143 | !RPC_IS_ASYNC(req->rq_task)); | |
683b57b4 TM |
6144 | out: |
6145 | return status; | |
6146 | } | |
6147 | ||
5a5ea0d4 BS |
6148 | /* |
6149 | * Decode SECINFO response | |
6150 | */ | |
6151 | static int nfs4_xdr_dec_secinfo(struct rpc_rqst *rqstp, | |
6152 | struct xdr_stream *xdr, | |
6153 | struct nfs4_secinfo_res *res) | |
6154 | { | |
6155 | struct compound_hdr hdr; | |
6156 | int status; | |
6157 | ||
6158 | status = decode_compound_hdr(xdr, &hdr); | |
6159 | if (status) | |
6160 | goto out; | |
6161 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6162 | if (status) | |
6163 | goto out; | |
6164 | status = decode_putfh(xdr); | |
6165 | if (status) | |
6166 | goto out; | |
6167 | status = decode_secinfo(xdr, res); | |
6168 | if (status) | |
6169 | goto out; | |
6170 | out: | |
6171 | return status; | |
6172 | } | |
6173 | ||
99fe60d0 BH |
6174 | #if defined(CONFIG_NFS_V4_1) |
6175 | /* | |
8b173218 | 6176 | * Decode EXCHANGE_ID response |
99fe60d0 | 6177 | */ |
bf269551 CL |
6178 | static int nfs4_xdr_dec_exchange_id(struct rpc_rqst *rqstp, |
6179 | struct xdr_stream *xdr, | |
99fe60d0 BH |
6180 | void *res) |
6181 | { | |
99fe60d0 BH |
6182 | struct compound_hdr hdr; |
6183 | int status; | |
6184 | ||
bf269551 | 6185 | status = decode_compound_hdr(xdr, &hdr); |
99fe60d0 | 6186 | if (!status) |
bf269551 | 6187 | status = decode_exchange_id(xdr, res); |
99fe60d0 BH |
6188 | return status; |
6189 | } | |
2050f0cc | 6190 | |
fc931582 | 6191 | /* |
8b173218 | 6192 | * Decode CREATE_SESSION response |
fc931582 | 6193 | */ |
bf269551 CL |
6194 | static int nfs4_xdr_dec_create_session(struct rpc_rqst *rqstp, |
6195 | struct xdr_stream *xdr, | |
fc931582 AA |
6196 | struct nfs41_create_session_res *res) |
6197 | { | |
fc931582 AA |
6198 | struct compound_hdr hdr; |
6199 | int status; | |
6200 | ||
bf269551 | 6201 | status = decode_compound_hdr(xdr, &hdr); |
fc931582 | 6202 | if (!status) |
bf269551 | 6203 | status = decode_create_session(xdr, res); |
fc931582 AA |
6204 | return status; |
6205 | } | |
6206 | ||
0f3e66c6 | 6207 | /* |
8b173218 | 6208 | * Decode DESTROY_SESSION response |
0f3e66c6 | 6209 | */ |
bf269551 CL |
6210 | static int nfs4_xdr_dec_destroy_session(struct rpc_rqst *rqstp, |
6211 | struct xdr_stream *xdr, | |
6212 | void *res) | |
0f3e66c6 | 6213 | { |
0f3e66c6 AA |
6214 | struct compound_hdr hdr; |
6215 | int status; | |
6216 | ||
bf269551 | 6217 | status = decode_compound_hdr(xdr, &hdr); |
0f3e66c6 | 6218 | if (!status) |
bf269551 | 6219 | status = decode_destroy_session(xdr, res); |
0f3e66c6 AA |
6220 | return status; |
6221 | } | |
6222 | ||
fc01cea9 | 6223 | /* |
8b173218 | 6224 | * Decode SEQUENCE response |
fc01cea9 | 6225 | */ |
bf269551 CL |
6226 | static int nfs4_xdr_dec_sequence(struct rpc_rqst *rqstp, |
6227 | struct xdr_stream *xdr, | |
fc01cea9 AA |
6228 | struct nfs4_sequence_res *res) |
6229 | { | |
fc01cea9 AA |
6230 | struct compound_hdr hdr; |
6231 | int status; | |
6232 | ||
bf269551 | 6233 | status = decode_compound_hdr(xdr, &hdr); |
fc01cea9 | 6234 | if (!status) |
bf269551 | 6235 | status = decode_sequence(xdr, res, rqstp); |
fc01cea9 AA |
6236 | return status; |
6237 | } | |
6238 | ||
2050f0cc | 6239 | /* |
8b173218 | 6240 | * Decode GET_LEASE_TIME response |
2050f0cc | 6241 | */ |
bf269551 CL |
6242 | static int nfs4_xdr_dec_get_lease_time(struct rpc_rqst *rqstp, |
6243 | struct xdr_stream *xdr, | |
2050f0cc AA |
6244 | struct nfs4_get_lease_time_res *res) |
6245 | { | |
2050f0cc AA |
6246 | struct compound_hdr hdr; |
6247 | int status; | |
6248 | ||
bf269551 | 6249 | status = decode_compound_hdr(xdr, &hdr); |
2050f0cc | 6250 | if (!status) |
bf269551 | 6251 | status = decode_sequence(xdr, &res->lr_seq_res, rqstp); |
2050f0cc | 6252 | if (!status) |
bf269551 | 6253 | status = decode_putrootfh(xdr); |
2050f0cc | 6254 | if (!status) |
bf269551 | 6255 | status = decode_fsinfo(xdr, res->lr_fsinfo); |
2050f0cc AA |
6256 | return status; |
6257 | } | |
18019753 RL |
6258 | |
6259 | /* | |
6260 | * Decode RECLAIM_COMPLETE response | |
6261 | */ | |
bf269551 CL |
6262 | static int nfs4_xdr_dec_reclaim_complete(struct rpc_rqst *rqstp, |
6263 | struct xdr_stream *xdr, | |
18019753 RL |
6264 | struct nfs41_reclaim_complete_res *res) |
6265 | { | |
18019753 RL |
6266 | struct compound_hdr hdr; |
6267 | int status; | |
6268 | ||
bf269551 | 6269 | status = decode_compound_hdr(xdr, &hdr); |
18019753 | 6270 | if (!status) |
bf269551 | 6271 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
18019753 | 6272 | if (!status) |
bf269551 | 6273 | status = decode_reclaim_complete(xdr, (void *)NULL); |
18019753 RL |
6274 | return status; |
6275 | } | |
b1f69b75 AA |
6276 | |
6277 | /* | |
6278 | * Decode GETDEVINFO response | |
6279 | */ | |
bf269551 CL |
6280 | static int nfs4_xdr_dec_getdeviceinfo(struct rpc_rqst *rqstp, |
6281 | struct xdr_stream *xdr, | |
b1f69b75 AA |
6282 | struct nfs4_getdeviceinfo_res *res) |
6283 | { | |
b1f69b75 AA |
6284 | struct compound_hdr hdr; |
6285 | int status; | |
6286 | ||
bf269551 | 6287 | status = decode_compound_hdr(xdr, &hdr); |
b1f69b75 AA |
6288 | if (status != 0) |
6289 | goto out; | |
bf269551 | 6290 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
b1f69b75 AA |
6291 | if (status != 0) |
6292 | goto out; | |
bf269551 | 6293 | status = decode_getdeviceinfo(xdr, res->pdev); |
b1f69b75 AA |
6294 | out: |
6295 | return status; | |
6296 | } | |
6297 | ||
6298 | /* | |
6299 | * Decode LAYOUTGET response | |
6300 | */ | |
bf269551 CL |
6301 | static int nfs4_xdr_dec_layoutget(struct rpc_rqst *rqstp, |
6302 | struct xdr_stream *xdr, | |
b1f69b75 AA |
6303 | struct nfs4_layoutget_res *res) |
6304 | { | |
b1f69b75 AA |
6305 | struct compound_hdr hdr; |
6306 | int status; | |
6307 | ||
bf269551 | 6308 | status = decode_compound_hdr(xdr, &hdr); |
b1f69b75 AA |
6309 | if (status) |
6310 | goto out; | |
bf269551 | 6311 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
b1f69b75 AA |
6312 | if (status) |
6313 | goto out; | |
bf269551 | 6314 | status = decode_putfh(xdr); |
b1f69b75 AA |
6315 | if (status) |
6316 | goto out; | |
bf269551 | 6317 | status = decode_layoutget(xdr, rqstp, res); |
b1f69b75 AA |
6318 | out: |
6319 | return status; | |
6320 | } | |
863a3c6c AA |
6321 | |
6322 | /* | |
6323 | * Decode LAYOUTCOMMIT response | |
6324 | */ | |
6325 | static int nfs4_xdr_dec_layoutcommit(struct rpc_rqst *rqstp, | |
6326 | struct xdr_stream *xdr, | |
6327 | struct nfs4_layoutcommit_res *res) | |
6328 | { | |
6329 | struct compound_hdr hdr; | |
6330 | int status; | |
6331 | ||
6332 | status = decode_compound_hdr(xdr, &hdr); | |
6333 | if (status) | |
6334 | goto out; | |
6335 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6336 | if (status) | |
6337 | goto out; | |
6338 | status = decode_putfh(xdr); | |
6339 | if (status) | |
6340 | goto out; | |
6341 | status = decode_layoutcommit(xdr, rqstp, res); | |
6342 | if (status) | |
6343 | goto out; | |
6344 | decode_getfattr(xdr, res->fattr, res->server, | |
6345 | !RPC_IS_ASYNC(rqstp->rq_task)); | |
6346 | out: | |
6347 | return status; | |
6348 | } | |
99fe60d0 BH |
6349 | #endif /* CONFIG_NFS_V4_1 */ |
6350 | ||
573c4e1e CL |
6351 | /** |
6352 | * nfs4_decode_dirent - Decode a single NFSv4 directory entry stored in | |
6353 | * the local page cache. | |
6354 | * @xdr: XDR stream where entry resides | |
6355 | * @entry: buffer to fill in with entry data | |
6356 | * @plus: boolean indicating whether this should be a readdirplus entry | |
6357 | * | |
6358 | * Returns zero if successful, otherwise a negative errno value is | |
6359 | * returned. | |
6360 | * | |
6361 | * This function is not invoked during READDIR reply decoding, but | |
6362 | * rather whenever an application invokes the getdents(2) system call | |
6363 | * on a directory already in our cache. | |
6364 | */ | |
6365 | int nfs4_decode_dirent(struct xdr_stream *xdr, struct nfs_entry *entry, | |
6366 | int plus) | |
1da177e4 LT |
6367 | { |
6368 | uint32_t bitmap[2] = {0}; | |
6369 | uint32_t len; | |
babddc72 BS |
6370 | __be32 *p = xdr_inline_decode(xdr, 4); |
6371 | if (unlikely(!p)) | |
6372 | goto out_overflow; | |
c08e76d0 | 6373 | if (*p == xdr_zero) { |
babddc72 BS |
6374 | p = xdr_inline_decode(xdr, 4); |
6375 | if (unlikely(!p)) | |
6376 | goto out_overflow; | |
c08e76d0 | 6377 | if (*p == xdr_zero) |
573c4e1e | 6378 | return -EAGAIN; |
1da177e4 | 6379 | entry->eof = 1; |
573c4e1e | 6380 | return -EBADCOOKIE; |
1da177e4 LT |
6381 | } |
6382 | ||
babddc72 BS |
6383 | p = xdr_inline_decode(xdr, 12); |
6384 | if (unlikely(!p)) | |
6385 | goto out_overflow; | |
1da177e4 LT |
6386 | entry->prev_cookie = entry->cookie; |
6387 | p = xdr_decode_hyper(p, &entry->cookie); | |
c08e76d0 | 6388 | entry->len = be32_to_cpup(p); |
babddc72 | 6389 | |
9af8c222 | 6390 | p = xdr_inline_decode(xdr, entry->len); |
babddc72 BS |
6391 | if (unlikely(!p)) |
6392 | goto out_overflow; | |
1da177e4 | 6393 | entry->name = (const char *) p; |
1da177e4 LT |
6394 | |
6395 | /* | |
6396 | * In case the server doesn't return an inode number, | |
6397 | * we fake one here. (We don't use inode number 0, | |
6398 | * since glibc seems to choke on it...) | |
6399 | */ | |
6400 | entry->ino = 1; | |
4f082222 | 6401 | entry->fattr->valid = 0; |
1da177e4 | 6402 | |
9af8c222 TM |
6403 | if (decode_attr_bitmap(xdr, bitmap) < 0) |
6404 | goto out_overflow; | |
6405 | ||
6406 | if (decode_attr_length(xdr, &len, &p) < 0) | |
6407 | goto out_overflow; | |
6408 | ||
573c4e1e CL |
6409 | if (decode_getfattr_attrs(xdr, bitmap, entry->fattr, entry->fh, |
6410 | entry->server, 1) < 0) | |
9af8c222 | 6411 | goto out_overflow; |
28331a46 TM |
6412 | if (entry->fattr->valid & NFS_ATTR_FATTR_MOUNTED_ON_FILEID) |
6413 | entry->ino = entry->fattr->mounted_on_fileid; | |
6414 | else if (entry->fattr->valid & NFS_ATTR_FATTR_FILEID) | |
9af8c222 TM |
6415 | entry->ino = entry->fattr->fileid; |
6416 | ||
0b26a0bf TM |
6417 | entry->d_type = DT_UNKNOWN; |
6418 | if (entry->fattr->valid & NFS_ATTR_FATTR_TYPE) | |
6419 | entry->d_type = nfs_umode_to_dtype(entry->fattr->mode); | |
6420 | ||
573c4e1e | 6421 | return 0; |
babddc72 BS |
6422 | |
6423 | out_overflow: | |
6424 | print_overflow_msg(__func__, xdr); | |
573c4e1e | 6425 | return -EAGAIN; |
1da177e4 LT |
6426 | } |
6427 | ||
6428 | /* | |
6429 | * We need to translate between nfs status return values and | |
6430 | * the local errno values which may not be the same. | |
6431 | */ | |
6432 | static struct { | |
6433 | int stat; | |
6434 | int errno; | |
6435 | } nfs_errtbl[] = { | |
6436 | { NFS4_OK, 0 }, | |
856dff3d BH |
6437 | { NFS4ERR_PERM, -EPERM }, |
6438 | { NFS4ERR_NOENT, -ENOENT }, | |
6439 | { NFS4ERR_IO, -errno_NFSERR_IO}, | |
6440 | { NFS4ERR_NXIO, -ENXIO }, | |
6441 | { NFS4ERR_ACCESS, -EACCES }, | |
6442 | { NFS4ERR_EXIST, -EEXIST }, | |
6443 | { NFS4ERR_XDEV, -EXDEV }, | |
6444 | { NFS4ERR_NOTDIR, -ENOTDIR }, | |
6445 | { NFS4ERR_ISDIR, -EISDIR }, | |
6446 | { NFS4ERR_INVAL, -EINVAL }, | |
6447 | { NFS4ERR_FBIG, -EFBIG }, | |
6448 | { NFS4ERR_NOSPC, -ENOSPC }, | |
6449 | { NFS4ERR_ROFS, -EROFS }, | |
6450 | { NFS4ERR_MLINK, -EMLINK }, | |
6451 | { NFS4ERR_NAMETOOLONG, -ENAMETOOLONG }, | |
6452 | { NFS4ERR_NOTEMPTY, -ENOTEMPTY }, | |
6453 | { NFS4ERR_DQUOT, -EDQUOT }, | |
6454 | { NFS4ERR_STALE, -ESTALE }, | |
6455 | { NFS4ERR_BADHANDLE, -EBADHANDLE }, | |
856dff3d BH |
6456 | { NFS4ERR_BAD_COOKIE, -EBADCOOKIE }, |
6457 | { NFS4ERR_NOTSUPP, -ENOTSUPP }, | |
6458 | { NFS4ERR_TOOSMALL, -ETOOSMALL }, | |
fdcb4577 | 6459 | { NFS4ERR_SERVERFAULT, -EREMOTEIO }, |
856dff3d BH |
6460 | { NFS4ERR_BADTYPE, -EBADTYPE }, |
6461 | { NFS4ERR_LOCKED, -EAGAIN }, | |
856dff3d BH |
6462 | { NFS4ERR_SYMLINK, -ELOOP }, |
6463 | { NFS4ERR_OP_ILLEGAL, -EOPNOTSUPP }, | |
6464 | { NFS4ERR_DEADLOCK, -EDEADLK }, | |
856dff3d | 6465 | { -1, -EIO } |
1da177e4 LT |
6466 | }; |
6467 | ||
6468 | /* | |
6469 | * Convert an NFS error code to a local one. | |
6470 | * This one is used jointly by NFSv2 and NFSv3. | |
6471 | */ | |
6472 | static int | |
0a8ea437 | 6473 | nfs4_stat_to_errno(int stat) |
1da177e4 LT |
6474 | { |
6475 | int i; | |
6476 | for (i = 0; nfs_errtbl[i].stat != -1; i++) { | |
6477 | if (nfs_errtbl[i].stat == stat) | |
6478 | return nfs_errtbl[i].errno; | |
6479 | } | |
6480 | if (stat <= 10000 || stat > 10100) { | |
6481 | /* The server is looney tunes. */ | |
fdcb4577 | 6482 | return -EREMOTEIO; |
1da177e4 LT |
6483 | } |
6484 | /* If we cannot translate the error, the recovery routines should | |
6485 | * handle it. | |
6486 | * Note: remaining NFSv4 error codes have values > 10000, so should | |
6487 | * not conflict with native Linux error codes. | |
6488 | */ | |
856dff3d | 6489 | return -stat; |
1da177e4 LT |
6490 | } |
6491 | ||
1da177e4 LT |
6492 | #define PROC(proc, argtype, restype) \ |
6493 | [NFSPROC4_CLNT_##proc] = { \ | |
6494 | .p_proc = NFSPROC4_COMPOUND, \ | |
9f06c719 | 6495 | .p_encode = (kxdreproc_t)nfs4_xdr_##argtype, \ |
bf269551 | 6496 | .p_decode = (kxdrdproc_t)nfs4_xdr_##restype, \ |
2bea90d4 CL |
6497 | .p_arglen = NFS4_##argtype##_sz, \ |
6498 | .p_replen = NFS4_##restype##_sz, \ | |
cc0175c1 CL |
6499 | .p_statidx = NFSPROC4_CLNT_##proc, \ |
6500 | .p_name = #proc, \ | |
05d564fe | 6501 | } |
1da177e4 LT |
6502 | |
6503 | struct rpc_procinfo nfs4_procedures[] = { | |
7d93bd71 CL |
6504 | PROC(READ, enc_read, dec_read), |
6505 | PROC(WRITE, enc_write, dec_write), | |
6506 | PROC(COMMIT, enc_commit, dec_commit), | |
6507 | PROC(OPEN, enc_open, dec_open), | |
6508 | PROC(OPEN_CONFIRM, enc_open_confirm, dec_open_confirm), | |
6509 | PROC(OPEN_NOATTR, enc_open_noattr, dec_open_noattr), | |
6510 | PROC(OPEN_DOWNGRADE, enc_open_downgrade, dec_open_downgrade), | |
6511 | PROC(CLOSE, enc_close, dec_close), | |
6512 | PROC(SETATTR, enc_setattr, dec_setattr), | |
6513 | PROC(FSINFO, enc_fsinfo, dec_fsinfo), | |
6514 | PROC(RENEW, enc_renew, dec_renew), | |
6515 | PROC(SETCLIENTID, enc_setclientid, dec_setclientid), | |
6516 | PROC(SETCLIENTID_CONFIRM, enc_setclientid_confirm, dec_setclientid_confirm), | |
6517 | PROC(LOCK, enc_lock, dec_lock), | |
6518 | PROC(LOCKT, enc_lockt, dec_lockt), | |
6519 | PROC(LOCKU, enc_locku, dec_locku), | |
6520 | PROC(ACCESS, enc_access, dec_access), | |
6521 | PROC(GETATTR, enc_getattr, dec_getattr), | |
6522 | PROC(LOOKUP, enc_lookup, dec_lookup), | |
6523 | PROC(LOOKUP_ROOT, enc_lookup_root, dec_lookup_root), | |
6524 | PROC(REMOVE, enc_remove, dec_remove), | |
6525 | PROC(RENAME, enc_rename, dec_rename), | |
6526 | PROC(LINK, enc_link, dec_link), | |
6527 | PROC(SYMLINK, enc_symlink, dec_symlink), | |
6528 | PROC(CREATE, enc_create, dec_create), | |
6529 | PROC(PATHCONF, enc_pathconf, dec_pathconf), | |
6530 | PROC(STATFS, enc_statfs, dec_statfs), | |
6531 | PROC(READLINK, enc_readlink, dec_readlink), | |
6532 | PROC(READDIR, enc_readdir, dec_readdir), | |
6533 | PROC(SERVER_CAPS, enc_server_caps, dec_server_caps), | |
6534 | PROC(DELEGRETURN, enc_delegreturn, dec_delegreturn), | |
6535 | PROC(GETACL, enc_getacl, dec_getacl), | |
6536 | PROC(SETACL, enc_setacl, dec_setacl), | |
6537 | PROC(FS_LOCATIONS, enc_fs_locations, dec_fs_locations), | |
6538 | PROC(RELEASE_LOCKOWNER, enc_release_lockowner, dec_release_lockowner), | |
5a5ea0d4 | 6539 | PROC(SECINFO, enc_secinfo, dec_secinfo), |
99fe60d0 | 6540 | #if defined(CONFIG_NFS_V4_1) |
7d93bd71 CL |
6541 | PROC(EXCHANGE_ID, enc_exchange_id, dec_exchange_id), |
6542 | PROC(CREATE_SESSION, enc_create_session, dec_create_session), | |
6543 | PROC(DESTROY_SESSION, enc_destroy_session, dec_destroy_session), | |
6544 | PROC(SEQUENCE, enc_sequence, dec_sequence), | |
6545 | PROC(GET_LEASE_TIME, enc_get_lease_time, dec_get_lease_time), | |
6546 | PROC(RECLAIM_COMPLETE, enc_reclaim_complete, dec_reclaim_complete), | |
6547 | PROC(GETDEVICEINFO, enc_getdeviceinfo, dec_getdeviceinfo), | |
6548 | PROC(LAYOUTGET, enc_layoutget, dec_layoutget), | |
863a3c6c | 6549 | PROC(LAYOUTCOMMIT, enc_layoutcommit, dec_layoutcommit), |
99fe60d0 | 6550 | #endif /* CONFIG_NFS_V4_1 */ |
1da177e4 LT |
6551 | }; |
6552 | ||
6553 | struct rpc_version nfs_version4 = { | |
6554 | .number = 4, | |
e8c96f8c | 6555 | .nrprocs = ARRAY_SIZE(nfs4_procedures), |
1da177e4 LT |
6556 | .procs = nfs4_procedures |
6557 | }; | |
6558 | ||
6559 | /* | |
6560 | * Local variables: | |
6561 | * c-basic-offset: 8 | |
6562 | * End: | |
6563 | */ |