Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * fs/nfs/nfs4xdr.c | |
3 | * | |
4 | * Client-side XDR for NFSv4. | |
5 | * | |
6 | * Copyright (c) 2002 The Regents of the University of Michigan. | |
7 | * All rights reserved. | |
8 | * | |
9 | * Kendrick Smith <kmsmith@umich.edu> | |
10 | * Andy Adamson <andros@umich.edu> | |
6c0195a4 | 11 | * |
1da177e4 LT |
12 | * Redistribution and use in source and binary forms, with or without |
13 | * modification, are permitted provided that the following conditions | |
14 | * are met: | |
15 | * | |
16 | * 1. Redistributions of source code must retain the above copyright | |
17 | * notice, this list of conditions and the following disclaimer. | |
18 | * 2. Redistributions in binary form must reproduce the above copyright | |
19 | * notice, this list of conditions and the following disclaimer in the | |
20 | * documentation and/or other materials provided with the distribution. | |
21 | * 3. Neither the name of the University nor the names of its | |
22 | * contributors may be used to endorse or promote products derived | |
23 | * from this software without specific prior written permission. | |
24 | * | |
25 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED | |
26 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
27 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
28 | * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
29 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
30 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
31 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR | |
32 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | |
33 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
34 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
35 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
36 | */ | |
37 | ||
38 | #include <linux/param.h> | |
39 | #include <linux/time.h> | |
40 | #include <linux/mm.h> | |
1da177e4 LT |
41 | #include <linux/errno.h> |
42 | #include <linux/string.h> | |
43 | #include <linux/in.h> | |
44 | #include <linux/pagemap.h> | |
45 | #include <linux/proc_fs.h> | |
46 | #include <linux/kdev_t.h> | |
db8ac8ba WAA |
47 | #include <linux/module.h> |
48 | #include <linux/utsname.h> | |
1da177e4 | 49 | #include <linux/sunrpc/clnt.h> |
2449ea2e | 50 | #include <linux/sunrpc/msg_prot.h> |
5a5ea0d4 | 51 | #include <linux/sunrpc/gss_api.h> |
1da177e4 LT |
52 | #include <linux/nfs.h> |
53 | #include <linux/nfs4.h> | |
54 | #include <linux/nfs_fs.h> | |
55 | #include <linux/nfs_idmap.h> | |
f092075d | 56 | |
4ce79717 | 57 | #include "nfs4_fs.h" |
4882ef72 | 58 | #include "internal.h" |
76e697ba | 59 | #include "nfs4session.h" |
b1f69b75 | 60 | #include "pnfs.h" |
f092075d | 61 | #include "netns.h" |
1da177e4 LT |
62 | |
63 | #define NFSDBG_FACILITY NFSDBG_XDR | |
64 | ||
65 | /* Mapping from NFS error code to "errno" error code. */ | |
66 | #define errno_NFSERR_IO EIO | |
67 | ||
0a8ea437 | 68 | static int nfs4_stat_to_errno(int); |
1da177e4 LT |
69 | |
70 | /* NFSv4 COMPOUND tags are only wanted for debugging purposes */ | |
71 | #ifdef DEBUG | |
72 | #define NFS4_MAXTAGLEN 20 | |
73 | #else | |
74 | #define NFS4_MAXTAGLEN 0 | |
75 | #endif | |
76 | ||
6c0195a4 | 77 | /* lock,open owner id: |
9f958ab8 | 78 | * we currently use size 2 (u64) out of (NFS4_OPAQUE_LIMIT >> 2) |
1da177e4 | 79 | */ |
95b72eb0 | 80 | #define open_owner_id_maxsz (1 + 2 + 1 + 1 + 2) |
d035c36c | 81 | #define lock_owner_id_maxsz (1 + 1 + 4) |
9104a55d | 82 | #define decode_lockowner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) |
1da177e4 LT |
83 | #define compound_encode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2)) |
84 | #define compound_decode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2)) | |
85 | #define op_encode_hdr_maxsz (1) | |
86 | #define op_decode_hdr_maxsz (2) | |
9104a55d TM |
87 | #define encode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE)) |
88 | #define decode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE)) | |
89 | #define encode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE)) | |
90 | #define decode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE)) | |
1da177e4 LT |
91 | #define encode_putfh_maxsz (op_encode_hdr_maxsz + 1 + \ |
92 | (NFS4_FHSIZE >> 2)) | |
93 | #define decode_putfh_maxsz (op_decode_hdr_maxsz) | |
94 | #define encode_putrootfh_maxsz (op_encode_hdr_maxsz) | |
95 | #define decode_putrootfh_maxsz (op_decode_hdr_maxsz) | |
96 | #define encode_getfh_maxsz (op_encode_hdr_maxsz) | |
97 | #define decode_getfh_maxsz (op_decode_hdr_maxsz + 1 + \ | |
98 | ((3+NFS4_FHSIZE) >> 2)) | |
e5012d1f | 99 | #define nfs4_fattr_bitmap_maxsz 4 |
96928206 | 100 | #define encode_getattr_maxsz (op_encode_hdr_maxsz + nfs4_fattr_bitmap_maxsz) |
1da177e4 LT |
101 | #define nfs4_name_maxsz (1 + ((3 + NFS4_MAXNAMLEN) >> 2)) |
102 | #define nfs4_path_maxsz (1 + ((3 + NFS4_MAXPATHLEN) >> 2)) | |
bd625ba8 TM |
103 | #define nfs4_owner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) |
104 | #define nfs4_group_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) | |
88034c3d AA |
105 | /* We support only one layout type per file system */ |
106 | #define decode_mdsthreshold_maxsz (1 + 1 + nfs4_fattr_bitmap_maxsz + 1 + 8) | |
96928206 BF |
107 | /* This is based on getfattr, which uses the most attributes: */ |
108 | #define nfs4_fattr_value_maxsz (1 + (1 + 2 + 2 + 4 + 2 + 1 + 1 + 2 + 2 + \ | |
88034c3d AA |
109 | 3 + 3 + 3 + nfs4_owner_maxsz + \ |
110 | nfs4_group_maxsz + decode_mdsthreshold_maxsz)) | |
96928206 BF |
111 | #define nfs4_fattr_maxsz (nfs4_fattr_bitmap_maxsz + \ |
112 | nfs4_fattr_value_maxsz) | |
113 | #define decode_getattr_maxsz (op_decode_hdr_maxsz + nfs4_fattr_maxsz) | |
9104a55d TM |
114 | #define encode_attrs_maxsz (nfs4_fattr_bitmap_maxsz + \ |
115 | 1 + 2 + 1 + \ | |
116 | nfs4_owner_maxsz + \ | |
117 | nfs4_group_maxsz + \ | |
118 | 4 + 4) | |
1da177e4 LT |
119 | #define encode_savefh_maxsz (op_encode_hdr_maxsz) |
120 | #define decode_savefh_maxsz (op_decode_hdr_maxsz) | |
56ae19f3 TM |
121 | #define encode_restorefh_maxsz (op_encode_hdr_maxsz) |
122 | #define decode_restorefh_maxsz (op_decode_hdr_maxsz) | |
2f42b5d0 | 123 | #define encode_fsinfo_maxsz (encode_getattr_maxsz) |
dae100c2 FI |
124 | /* The 5 accounts for the PNFS attributes, and assumes that at most three |
125 | * layout types will be returned. | |
126 | */ | |
127 | #define decode_fsinfo_maxsz (op_decode_hdr_maxsz + \ | |
128 | nfs4_fattr_bitmap_maxsz + 4 + 8 + 5) | |
1da177e4 LT |
129 | #define encode_renew_maxsz (op_encode_hdr_maxsz + 3) |
130 | #define decode_renew_maxsz (op_decode_hdr_maxsz) | |
131 | #define encode_setclientid_maxsz \ | |
132 | (op_encode_hdr_maxsz + \ | |
cc38bac3 CL |
133 | XDR_QUADLEN(NFS4_VERIFIER_SIZE) + \ |
134 | XDR_QUADLEN(NFS4_SETCLIENTID_NAMELEN) + \ | |
135 | 1 /* sc_prog */ + \ | |
136 | XDR_QUADLEN(RPCBIND_MAXNETIDLEN) + \ | |
137 | XDR_QUADLEN(RPCBIND_MAXUADDRLEN) + \ | |
138 | 1) /* sc_cb_ident */ | |
1da177e4 LT |
139 | #define decode_setclientid_maxsz \ |
140 | (op_decode_hdr_maxsz + \ | |
141 | 2 + \ | |
142 | 1024) /* large value for CLID_INUSE */ | |
143 | #define encode_setclientid_confirm_maxsz \ | |
144 | (op_encode_hdr_maxsz + \ | |
145 | 3 + (NFS4_VERIFIER_SIZE >> 2)) | |
146 | #define decode_setclientid_confirm_maxsz \ | |
147 | (op_decode_hdr_maxsz) | |
e6889620 TM |
148 | #define encode_lookup_maxsz (op_encode_hdr_maxsz + nfs4_name_maxsz) |
149 | #define decode_lookup_maxsz (op_decode_hdr_maxsz) | |
2cebf828 TM |
150 | #define encode_share_access_maxsz \ |
151 | (2) | |
4882ef72 | 152 | #define encode_createmode_maxsz (1 + encode_attrs_maxsz + encode_verifier_maxsz) |
2cebf828 TM |
153 | #define encode_opentype_maxsz (1 + encode_createmode_maxsz) |
154 | #define encode_claim_null_maxsz (1 + nfs4_name_maxsz) | |
155 | #define encode_open_maxsz (op_encode_hdr_maxsz + \ | |
156 | 2 + encode_share_access_maxsz + 2 + \ | |
157 | open_owner_id_maxsz + \ | |
158 | encode_opentype_maxsz + \ | |
159 | encode_claim_null_maxsz) | |
160 | #define decode_ace_maxsz (3 + nfs4_owner_maxsz) | |
9104a55d | 161 | #define decode_delegation_maxsz (1 + decode_stateid_maxsz + 1 + \ |
2cebf828 TM |
162 | decode_ace_maxsz) |
163 | #define decode_change_info_maxsz (5) | |
164 | #define decode_open_maxsz (op_decode_hdr_maxsz + \ | |
9104a55d | 165 | decode_stateid_maxsz + \ |
2cebf828 TM |
166 | decode_change_info_maxsz + 1 + \ |
167 | nfs4_fattr_bitmap_maxsz + \ | |
168 | decode_delegation_maxsz) | |
9104a55d TM |
169 | #define encode_open_confirm_maxsz \ |
170 | (op_encode_hdr_maxsz + \ | |
171 | encode_stateid_maxsz + 1) | |
172 | #define decode_open_confirm_maxsz \ | |
173 | (op_decode_hdr_maxsz + \ | |
174 | decode_stateid_maxsz) | |
175 | #define encode_open_downgrade_maxsz \ | |
176 | (op_encode_hdr_maxsz + \ | |
177 | encode_stateid_maxsz + 1 + \ | |
178 | encode_share_access_maxsz) | |
179 | #define decode_open_downgrade_maxsz \ | |
180 | (op_decode_hdr_maxsz + \ | |
181 | decode_stateid_maxsz) | |
182 | #define encode_close_maxsz (op_encode_hdr_maxsz + \ | |
183 | 1 + encode_stateid_maxsz) | |
184 | #define decode_close_maxsz (op_decode_hdr_maxsz + \ | |
185 | decode_stateid_maxsz) | |
186 | #define encode_setattr_maxsz (op_encode_hdr_maxsz + \ | |
187 | encode_stateid_maxsz + \ | |
188 | encode_attrs_maxsz) | |
189 | #define decode_setattr_maxsz (op_decode_hdr_maxsz + \ | |
190 | nfs4_fattr_bitmap_maxsz) | |
191 | #define encode_read_maxsz (op_encode_hdr_maxsz + \ | |
192 | encode_stateid_maxsz + 3) | |
193 | #define decode_read_maxsz (op_decode_hdr_maxsz + 2) | |
194 | #define encode_readdir_maxsz (op_encode_hdr_maxsz + \ | |
195 | 2 + encode_verifier_maxsz + 5) | |
196 | #define decode_readdir_maxsz (op_decode_hdr_maxsz + \ | |
197 | decode_verifier_maxsz) | |
198 | #define encode_readlink_maxsz (op_encode_hdr_maxsz) | |
199 | #define decode_readlink_maxsz (op_decode_hdr_maxsz + 1) | |
200 | #define encode_write_maxsz (op_encode_hdr_maxsz + \ | |
201 | encode_stateid_maxsz + 4) | |
202 | #define decode_write_maxsz (op_decode_hdr_maxsz + \ | |
203 | 2 + decode_verifier_maxsz) | |
204 | #define encode_commit_maxsz (op_encode_hdr_maxsz + 3) | |
205 | #define decode_commit_maxsz (op_decode_hdr_maxsz + \ | |
206 | decode_verifier_maxsz) | |
1da177e4 LT |
207 | #define encode_remove_maxsz (op_encode_hdr_maxsz + \ |
208 | nfs4_name_maxsz) | |
6ce18391 BH |
209 | #define decode_remove_maxsz (op_decode_hdr_maxsz + \ |
210 | decode_change_info_maxsz) | |
1da177e4 LT |
211 | #define encode_rename_maxsz (op_encode_hdr_maxsz + \ |
212 | 2 * nfs4_name_maxsz) | |
6ce18391 BH |
213 | #define decode_rename_maxsz (op_decode_hdr_maxsz + \ |
214 | decode_change_info_maxsz + \ | |
215 | decode_change_info_maxsz) | |
1da177e4 LT |
216 | #define encode_link_maxsz (op_encode_hdr_maxsz + \ |
217 | nfs4_name_maxsz) | |
6ce18391 | 218 | #define decode_link_maxsz (op_decode_hdr_maxsz + decode_change_info_maxsz) |
daccbded | 219 | #define encode_lockowner_maxsz (7) |
9104a55d TM |
220 | #define encode_lock_maxsz (op_encode_hdr_maxsz + \ |
221 | 7 + \ | |
daccbded TM |
222 | 1 + encode_stateid_maxsz + 1 + \ |
223 | encode_lockowner_maxsz) | |
9104a55d TM |
224 | #define decode_lock_denied_maxsz \ |
225 | (8 + decode_lockowner_maxsz) | |
226 | #define decode_lock_maxsz (op_decode_hdr_maxsz + \ | |
227 | decode_lock_denied_maxsz) | |
daccbded TM |
228 | #define encode_lockt_maxsz (op_encode_hdr_maxsz + 5 + \ |
229 | encode_lockowner_maxsz) | |
9104a55d TM |
230 | #define decode_lockt_maxsz (op_decode_hdr_maxsz + \ |
231 | decode_lock_denied_maxsz) | |
232 | #define encode_locku_maxsz (op_encode_hdr_maxsz + 3 + \ | |
233 | encode_stateid_maxsz + \ | |
234 | 4) | |
235 | #define decode_locku_maxsz (op_decode_hdr_maxsz + \ | |
236 | decode_stateid_maxsz) | |
d3c7b7cc TM |
237 | #define encode_release_lockowner_maxsz \ |
238 | (op_encode_hdr_maxsz + \ | |
239 | encode_lockowner_maxsz) | |
240 | #define decode_release_lockowner_maxsz \ | |
241 | (op_decode_hdr_maxsz) | |
9104a55d TM |
242 | #define encode_access_maxsz (op_encode_hdr_maxsz + 1) |
243 | #define decode_access_maxsz (op_decode_hdr_maxsz + 2) | |
1da177e4 LT |
244 | #define encode_symlink_maxsz (op_encode_hdr_maxsz + \ |
245 | 1 + nfs4_name_maxsz + \ | |
94a6d753 | 246 | 1 + \ |
96928206 | 247 | nfs4_fattr_maxsz) |
1da177e4 LT |
248 | #define decode_symlink_maxsz (op_decode_hdr_maxsz + 8) |
249 | #define encode_create_maxsz (op_encode_hdr_maxsz + \ | |
9104a55d TM |
250 | 1 + 2 + nfs4_name_maxsz + \ |
251 | encode_attrs_maxsz) | |
2cebf828 TM |
252 | #define decode_create_maxsz (op_decode_hdr_maxsz + \ |
253 | decode_change_info_maxsz + \ | |
254 | nfs4_fattr_bitmap_maxsz) | |
9104a55d TM |
255 | #define encode_statfs_maxsz (encode_getattr_maxsz) |
256 | #define decode_statfs_maxsz (decode_getattr_maxsz) | |
1da177e4 LT |
257 | #define encode_delegreturn_maxsz (op_encode_hdr_maxsz + 4) |
258 | #define decode_delegreturn_maxsz (op_decode_hdr_maxsz) | |
9104a55d TM |
259 | #define encode_getacl_maxsz (encode_getattr_maxsz) |
260 | #define decode_getacl_maxsz (op_decode_hdr_maxsz + \ | |
261 | nfs4_fattr_bitmap_maxsz + 1) | |
262 | #define encode_setacl_maxsz (op_encode_hdr_maxsz + \ | |
263 | encode_stateid_maxsz + 3) | |
264 | #define decode_setacl_maxsz (decode_setattr_maxsz) | |
e6889620 TM |
265 | #define encode_fs_locations_maxsz \ |
266 | (encode_getattr_maxsz) | |
267 | #define decode_fs_locations_maxsz \ | |
268 | (0) | |
5a5ea0d4 | 269 | #define encode_secinfo_maxsz (op_encode_hdr_maxsz + nfs4_name_maxsz) |
1650add2 | 270 | #define decode_secinfo_maxsz (op_decode_hdr_maxsz + 1 + ((NFS_MAX_SECFLAVORS * (16 + GSS_OID_MAX_LEN)) / 4)) |
9b7b9fcc AA |
271 | |
272 | #if defined(CONFIG_NFS_V4_1) | |
fc931582 | 273 | #define NFS4_MAX_MACHINE_NAME_LEN (64) |
d751f748 JR |
274 | #define IMPL_NAME_LIMIT (sizeof(utsname()->sysname) + sizeof(utsname()->release) + \ |
275 | sizeof(utsname()->version) + sizeof(utsname()->machine) + 8) | |
fc931582 | 276 | |
99fe60d0 BH |
277 | #define encode_exchange_id_maxsz (op_encode_hdr_maxsz + \ |
278 | encode_verifier_maxsz + \ | |
279 | 1 /* co_ownerid.len */ + \ | |
280 | XDR_QUADLEN(NFS4_EXCHANGE_ID_LEN) + \ | |
281 | 1 /* flags */ + \ | |
282 | 1 /* spa_how */ + \ | |
283 | 0 /* SP4_NONE (for now) */ + \ | |
db8ac8ba WAA |
284 | 1 /* implementation id array of size 1 */ + \ |
285 | 1 /* nii_domain */ + \ | |
286 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
287 | 1 /* nii_name */ + \ | |
d751f748 | 288 | XDR_QUADLEN(IMPL_NAME_LIMIT) + \ |
db8ac8ba | 289 | 3 /* nii_date */) |
99fe60d0 BH |
290 | #define decode_exchange_id_maxsz (op_decode_hdr_maxsz + \ |
291 | 2 /* eir_clientid */ + \ | |
292 | 1 /* eir_sequenceid */ + \ | |
293 | 1 /* eir_flags */ + \ | |
294 | 1 /* spr_how */ + \ | |
295 | 0 /* SP4_NONE (for now) */ + \ | |
296 | 2 /* eir_server_owner.so_minor_id */ + \ | |
297 | /* eir_server_owner.so_major_id<> */ \ | |
298 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 + \ | |
299 | /* eir_server_scope<> */ \ | |
300 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 + \ | |
301 | 1 /* eir_server_impl_id array length */ + \ | |
7d2ed9ac WAA |
302 | 1 /* nii_domain */ + \ |
303 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
304 | 1 /* nii_name */ + \ | |
305 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
306 | 3 /* nii_date */) | |
fc931582 AA |
307 | #define encode_channel_attrs_maxsz (6 + 1 /* ca_rdma_ird.len (0) */) |
308 | #define decode_channel_attrs_maxsz (6 + \ | |
309 | 1 /* ca_rdma_ird.len */ + \ | |
310 | 1 /* ca_rdma_ird */) | |
311 | #define encode_create_session_maxsz (op_encode_hdr_maxsz + \ | |
312 | 2 /* csa_clientid */ + \ | |
313 | 1 /* csa_sequence */ + \ | |
314 | 1 /* csa_flags */ + \ | |
315 | encode_channel_attrs_maxsz + \ | |
316 | encode_channel_attrs_maxsz + \ | |
317 | 1 /* csa_cb_program */ + \ | |
318 | 1 /* csa_sec_parms.len (1) */ + \ | |
319 | 1 /* cb_secflavor (AUTH_SYS) */ + \ | |
320 | 1 /* stamp */ + \ | |
321 | 1 /* machinename.len */ + \ | |
322 | XDR_QUADLEN(NFS4_MAX_MACHINE_NAME_LEN) + \ | |
323 | 1 /* uid */ + \ | |
324 | 1 /* gid */ + \ | |
325 | 1 /* gids.len (0) */) | |
326 | #define decode_create_session_maxsz (op_decode_hdr_maxsz + \ | |
327 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + \ | |
328 | 1 /* csr_sequence */ + \ | |
329 | 1 /* csr_flags */ + \ | |
330 | decode_channel_attrs_maxsz + \ | |
331 | decode_channel_attrs_maxsz) | |
7c44f1ae WAA |
332 | #define encode_bind_conn_to_session_maxsz (op_encode_hdr_maxsz + \ |
333 | /* bctsa_sessid */ \ | |
334 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + \ | |
335 | 1 /* bctsa_dir */ + \ | |
336 | 1 /* bctsa_use_conn_in_rdma_mode */) | |
337 | #define decode_bind_conn_to_session_maxsz (op_decode_hdr_maxsz + \ | |
338 | /* bctsr_sessid */ \ | |
339 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + \ | |
340 | 1 /* bctsr_dir */ + \ | |
341 | 1 /* bctsr_use_conn_in_rdma_mode */) | |
0f3e66c6 AA |
342 | #define encode_destroy_session_maxsz (op_encode_hdr_maxsz + 4) |
343 | #define decode_destroy_session_maxsz (op_decode_hdr_maxsz) | |
66245539 TM |
344 | #define encode_destroy_clientid_maxsz (op_encode_hdr_maxsz + 2) |
345 | #define decode_destroy_clientid_maxsz (op_decode_hdr_maxsz) | |
fc01cea9 AA |
346 | #define encode_sequence_maxsz (op_encode_hdr_maxsz + \ |
347 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 4) | |
348 | #define decode_sequence_maxsz (op_decode_hdr_maxsz + \ | |
349 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 5) | |
18019753 RL |
350 | #define encode_reclaim_complete_maxsz (op_encode_hdr_maxsz + 4) |
351 | #define decode_reclaim_complete_maxsz (op_decode_hdr_maxsz + 4) | |
7f11d8d3 AA |
352 | #define encode_getdevicelist_maxsz (op_encode_hdr_maxsz + 4 + \ |
353 | encode_verifier_maxsz) | |
354 | #define decode_getdevicelist_maxsz (op_decode_hdr_maxsz + \ | |
355 | 2 /* nfs_cookie4 gdlr_cookie */ + \ | |
356 | decode_verifier_maxsz \ | |
357 | /* verifier4 gdlr_verifier */ + \ | |
358 | 1 /* gdlr_deviceid_list count */ + \ | |
359 | XDR_QUADLEN(NFS4_PNFS_GETDEVLIST_MAXNUM * \ | |
360 | NFS4_DEVICEID4_SIZE) \ | |
361 | /* gdlr_deviceid_list */ + \ | |
362 | 1 /* bool gdlr_eof */) | |
b1f69b75 AA |
363 | #define encode_getdeviceinfo_maxsz (op_encode_hdr_maxsz + 4 + \ |
364 | XDR_QUADLEN(NFS4_DEVICEID4_SIZE)) | |
365 | #define decode_getdeviceinfo_maxsz (op_decode_hdr_maxsz + \ | |
366 | 1 /* layout type */ + \ | |
367 | 1 /* opaque devaddr4 length */ + \ | |
368 | /* devaddr4 payload is read into page */ \ | |
369 | 1 /* notification bitmap length */ + \ | |
370 | 1 /* notification bitmap */) | |
371 | #define encode_layoutget_maxsz (op_encode_hdr_maxsz + 10 + \ | |
372 | encode_stateid_maxsz) | |
373 | #define decode_layoutget_maxsz (op_decode_hdr_maxsz + 8 + \ | |
374 | decode_stateid_maxsz + \ | |
375 | XDR_QUADLEN(PNFS_LAYOUT_MAXSIZE)) | |
863a3c6c AA |
376 | #define encode_layoutcommit_maxsz (op_encode_hdr_maxsz + \ |
377 | 2 /* offset */ + \ | |
378 | 2 /* length */ + \ | |
379 | 1 /* reclaim */ + \ | |
380 | encode_stateid_maxsz + \ | |
381 | 1 /* new offset (true) */ + \ | |
382 | 2 /* last byte written */ + \ | |
383 | 1 /* nt_timechanged (false) */ + \ | |
384 | 1 /* layoutupdate4 layout type */ + \ | |
385 | 1 /* NULL filelayout layoutupdate4 payload */) | |
386 | #define decode_layoutcommit_maxsz (op_decode_hdr_maxsz + 3) | |
cbe82603 BH |
387 | #define encode_layoutreturn_maxsz (8 + op_encode_hdr_maxsz + \ |
388 | encode_stateid_maxsz + \ | |
389 | 1 /* FIXME: opaque lrf_body always empty at the moment */) | |
390 | #define decode_layoutreturn_maxsz (op_decode_hdr_maxsz + \ | |
391 | 1 + decode_stateid_maxsz) | |
fca78d6d BS |
392 | #define encode_secinfo_no_name_maxsz (op_encode_hdr_maxsz + 1) |
393 | #define decode_secinfo_no_name_maxsz decode_secinfo_maxsz | |
7d974794 BS |
394 | #define encode_test_stateid_maxsz (op_encode_hdr_maxsz + 2 + \ |
395 | XDR_QUADLEN(NFS4_STATEID_SIZE)) | |
396 | #define decode_test_stateid_maxsz (op_decode_hdr_maxsz + 2 + 1) | |
9aeda35f BS |
397 | #define encode_free_stateid_maxsz (op_encode_hdr_maxsz + 1 + \ |
398 | XDR_QUADLEN(NFS4_STATEID_SIZE)) | |
399 | #define decode_free_stateid_maxsz (op_decode_hdr_maxsz + 1) | |
9b7b9fcc AA |
400 | #else /* CONFIG_NFS_V4_1 */ |
401 | #define encode_sequence_maxsz 0 | |
402 | #define decode_sequence_maxsz 0 | |
403 | #endif /* CONFIG_NFS_V4_1 */ | |
404 | ||
1da177e4 LT |
405 | #define NFS4_enc_compound_sz (1024) /* XXX: large enough? */ |
406 | #define NFS4_dec_compound_sz (1024) /* XXX: large enough? */ | |
407 | #define NFS4_enc_read_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 408 | encode_sequence_maxsz + \ |
1da177e4 | 409 | encode_putfh_maxsz + \ |
9104a55d | 410 | encode_read_maxsz) |
1da177e4 | 411 | #define NFS4_dec_read_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 412 | decode_sequence_maxsz + \ |
1da177e4 | 413 | decode_putfh_maxsz + \ |
9104a55d | 414 | decode_read_maxsz) |
1da177e4 | 415 | #define NFS4_enc_readlink_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 416 | encode_sequence_maxsz + \ |
1da177e4 | 417 | encode_putfh_maxsz + \ |
9104a55d | 418 | encode_readlink_maxsz) |
1da177e4 | 419 | #define NFS4_dec_readlink_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 420 | decode_sequence_maxsz + \ |
1da177e4 | 421 | decode_putfh_maxsz + \ |
9104a55d | 422 | decode_readlink_maxsz) |
1da177e4 | 423 | #define NFS4_enc_readdir_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 424 | encode_sequence_maxsz + \ |
1da177e4 | 425 | encode_putfh_maxsz + \ |
9104a55d | 426 | encode_readdir_maxsz) |
1da177e4 | 427 | #define NFS4_dec_readdir_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 428 | decode_sequence_maxsz + \ |
1da177e4 | 429 | decode_putfh_maxsz + \ |
9104a55d | 430 | decode_readdir_maxsz) |
1da177e4 | 431 | #define NFS4_enc_write_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 432 | encode_sequence_maxsz + \ |
1da177e4 | 433 | encode_putfh_maxsz + \ |
9104a55d | 434 | encode_write_maxsz + \ |
4f9838c7 | 435 | encode_getattr_maxsz) |
1da177e4 | 436 | #define NFS4_dec_write_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 437 | decode_sequence_maxsz + \ |
1da177e4 | 438 | decode_putfh_maxsz + \ |
9104a55d | 439 | decode_write_maxsz + \ |
4f9838c7 | 440 | decode_getattr_maxsz) |
1da177e4 | 441 | #define NFS4_enc_commit_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 442 | encode_sequence_maxsz + \ |
1da177e4 | 443 | encode_putfh_maxsz + \ |
8582715e | 444 | encode_commit_maxsz) |
1da177e4 | 445 | #define NFS4_dec_commit_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 446 | decode_sequence_maxsz + \ |
1da177e4 | 447 | decode_putfh_maxsz + \ |
8582715e | 448 | decode_commit_maxsz) |
1da177e4 | 449 | #define NFS4_enc_open_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 450 | encode_sequence_maxsz + \ |
2cebf828 | 451 | encode_putfh_maxsz + \ |
2cebf828 | 452 | encode_open_maxsz + \ |
6168f62c | 453 | encode_access_maxsz + \ |
2cebf828 | 454 | encode_getfh_maxsz + \ |
2cebf828 | 455 | encode_getattr_maxsz) |
1da177e4 | 456 | #define NFS4_dec_open_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 457 | decode_sequence_maxsz + \ |
2cebf828 | 458 | decode_putfh_maxsz + \ |
2cebf828 | 459 | decode_open_maxsz + \ |
6168f62c | 460 | decode_access_maxsz + \ |
2cebf828 | 461 | decode_getfh_maxsz + \ |
2cebf828 | 462 | decode_getattr_maxsz) |
9104a55d TM |
463 | #define NFS4_enc_open_confirm_sz \ |
464 | (compound_encode_hdr_maxsz + \ | |
465 | encode_putfh_maxsz + \ | |
466 | encode_open_confirm_maxsz) | |
467 | #define NFS4_dec_open_confirm_sz \ | |
468 | (compound_decode_hdr_maxsz + \ | |
469 | decode_putfh_maxsz + \ | |
470 | decode_open_confirm_maxsz) | |
1da177e4 | 471 | #define NFS4_enc_open_noattr_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 472 | encode_sequence_maxsz + \ |
1da177e4 | 473 | encode_putfh_maxsz + \ |
2cebf828 | 474 | encode_open_maxsz + \ |
6168f62c | 475 | encode_access_maxsz + \ |
2cebf828 | 476 | encode_getattr_maxsz) |
1da177e4 | 477 | #define NFS4_dec_open_noattr_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 478 | decode_sequence_maxsz + \ |
1da177e4 | 479 | decode_putfh_maxsz + \ |
2cebf828 | 480 | decode_open_maxsz + \ |
6168f62c | 481 | decode_access_maxsz + \ |
2cebf828 | 482 | decode_getattr_maxsz) |
1da177e4 LT |
483 | #define NFS4_enc_open_downgrade_sz \ |
484 | (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 485 | encode_sequence_maxsz + \ |
9104a55d TM |
486 | encode_putfh_maxsz + \ |
487 | encode_open_downgrade_maxsz + \ | |
488 | encode_getattr_maxsz) | |
1da177e4 LT |
489 | #define NFS4_dec_open_downgrade_sz \ |
490 | (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 491 | decode_sequence_maxsz + \ |
9104a55d TM |
492 | decode_putfh_maxsz + \ |
493 | decode_open_downgrade_maxsz + \ | |
494 | decode_getattr_maxsz) | |
495 | #define NFS4_enc_close_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 496 | encode_sequence_maxsz + \ |
9104a55d TM |
497 | encode_putfh_maxsz + \ |
498 | encode_close_maxsz + \ | |
499 | encode_getattr_maxsz) | |
500 | #define NFS4_dec_close_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 501 | decode_sequence_maxsz + \ |
9104a55d TM |
502 | decode_putfh_maxsz + \ |
503 | decode_close_maxsz + \ | |
504 | decode_getattr_maxsz) | |
505 | #define NFS4_enc_setattr_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 506 | encode_sequence_maxsz + \ |
9104a55d TM |
507 | encode_putfh_maxsz + \ |
508 | encode_setattr_maxsz + \ | |
509 | encode_getattr_maxsz) | |
510 | #define NFS4_dec_setattr_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 511 | decode_sequence_maxsz + \ |
9104a55d TM |
512 | decode_putfh_maxsz + \ |
513 | decode_setattr_maxsz + \ | |
514 | decode_getattr_maxsz) | |
1da177e4 | 515 | #define NFS4_enc_fsinfo_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 516 | encode_sequence_maxsz + \ |
1da177e4 LT |
517 | encode_putfh_maxsz + \ |
518 | encode_fsinfo_maxsz) | |
519 | #define NFS4_dec_fsinfo_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 520 | decode_sequence_maxsz + \ |
1da177e4 LT |
521 | decode_putfh_maxsz + \ |
522 | decode_fsinfo_maxsz) | |
523 | #define NFS4_enc_renew_sz (compound_encode_hdr_maxsz + \ | |
524 | encode_renew_maxsz) | |
525 | #define NFS4_dec_renew_sz (compound_decode_hdr_maxsz + \ | |
526 | decode_renew_maxsz) | |
527 | #define NFS4_enc_setclientid_sz (compound_encode_hdr_maxsz + \ | |
528 | encode_setclientid_maxsz) | |
529 | #define NFS4_dec_setclientid_sz (compound_decode_hdr_maxsz + \ | |
530 | decode_setclientid_maxsz) | |
531 | #define NFS4_enc_setclientid_confirm_sz \ | |
532 | (compound_encode_hdr_maxsz + \ | |
83ca7f5a | 533 | encode_setclientid_confirm_maxsz) |
1da177e4 LT |
534 | #define NFS4_dec_setclientid_confirm_sz \ |
535 | (compound_decode_hdr_maxsz + \ | |
83ca7f5a | 536 | decode_setclientid_confirm_maxsz) |
1da177e4 | 537 | #define NFS4_enc_lock_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 538 | encode_sequence_maxsz + \ |
1da177e4 | 539 | encode_putfh_maxsz + \ |
9104a55d | 540 | encode_lock_maxsz) |
1da177e4 | 541 | #define NFS4_dec_lock_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 542 | decode_sequence_maxsz + \ |
1da177e4 | 543 | decode_putfh_maxsz + \ |
9104a55d | 544 | decode_lock_maxsz) |
1da177e4 | 545 | #define NFS4_enc_lockt_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 546 | encode_sequence_maxsz + \ |
1da177e4 | 547 | encode_putfh_maxsz + \ |
9104a55d TM |
548 | encode_lockt_maxsz) |
549 | #define NFS4_dec_lockt_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 550 | decode_sequence_maxsz + \ |
9104a55d TM |
551 | decode_putfh_maxsz + \ |
552 | decode_lockt_maxsz) | |
1da177e4 | 553 | #define NFS4_enc_locku_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 554 | encode_sequence_maxsz + \ |
1da177e4 | 555 | encode_putfh_maxsz + \ |
9104a55d | 556 | encode_locku_maxsz) |
1da177e4 | 557 | #define NFS4_dec_locku_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 558 | decode_sequence_maxsz + \ |
1da177e4 | 559 | decode_putfh_maxsz + \ |
9104a55d | 560 | decode_locku_maxsz) |
d3c7b7cc TM |
561 | #define NFS4_enc_release_lockowner_sz \ |
562 | (compound_encode_hdr_maxsz + \ | |
563 | encode_lockowner_maxsz) | |
564 | #define NFS4_dec_release_lockowner_sz \ | |
565 | (compound_decode_hdr_maxsz + \ | |
566 | decode_lockowner_maxsz) | |
1da177e4 | 567 | #define NFS4_enc_access_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 568 | encode_sequence_maxsz + \ |
1da177e4 | 569 | encode_putfh_maxsz + \ |
76b32999 TM |
570 | encode_access_maxsz + \ |
571 | encode_getattr_maxsz) | |
1da177e4 | 572 | #define NFS4_dec_access_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 573 | decode_sequence_maxsz + \ |
1da177e4 | 574 | decode_putfh_maxsz + \ |
76b32999 TM |
575 | decode_access_maxsz + \ |
576 | decode_getattr_maxsz) | |
1da177e4 | 577 | #define NFS4_enc_getattr_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 578 | encode_sequence_maxsz + \ |
1da177e4 LT |
579 | encode_putfh_maxsz + \ |
580 | encode_getattr_maxsz) | |
581 | #define NFS4_dec_getattr_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 582 | decode_sequence_maxsz + \ |
1da177e4 LT |
583 | decode_putfh_maxsz + \ |
584 | decode_getattr_maxsz) | |
585 | #define NFS4_enc_lookup_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 586 | encode_sequence_maxsz + \ |
1da177e4 LT |
587 | encode_putfh_maxsz + \ |
588 | encode_lookup_maxsz + \ | |
589 | encode_getattr_maxsz + \ | |
590 | encode_getfh_maxsz) | |
591 | #define NFS4_dec_lookup_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 592 | decode_sequence_maxsz + \ |
1da177e4 | 593 | decode_putfh_maxsz + \ |
e6889620 | 594 | decode_lookup_maxsz + \ |
1da177e4 LT |
595 | decode_getattr_maxsz + \ |
596 | decode_getfh_maxsz) | |
597 | #define NFS4_enc_lookup_root_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 598 | encode_sequence_maxsz + \ |
1da177e4 LT |
599 | encode_putrootfh_maxsz + \ |
600 | encode_getattr_maxsz + \ | |
601 | encode_getfh_maxsz) | |
602 | #define NFS4_dec_lookup_root_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 603 | decode_sequence_maxsz + \ |
1da177e4 LT |
604 | decode_putrootfh_maxsz + \ |
605 | decode_getattr_maxsz + \ | |
606 | decode_getfh_maxsz) | |
607 | #define NFS4_enc_remove_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 608 | encode_sequence_maxsz + \ |
1da177e4 | 609 | encode_putfh_maxsz + \ |
778d2817 | 610 | encode_remove_maxsz) |
1da177e4 | 611 | #define NFS4_dec_remove_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 612 | decode_sequence_maxsz + \ |
1da177e4 | 613 | decode_putfh_maxsz + \ |
778d2817 | 614 | decode_remove_maxsz) |
1da177e4 | 615 | #define NFS4_enc_rename_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 616 | encode_sequence_maxsz + \ |
1da177e4 LT |
617 | encode_putfh_maxsz + \ |
618 | encode_savefh_maxsz + \ | |
619 | encode_putfh_maxsz + \ | |
778d2817 | 620 | encode_rename_maxsz) |
1da177e4 | 621 | #define NFS4_dec_rename_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 622 | decode_sequence_maxsz + \ |
1da177e4 LT |
623 | decode_putfh_maxsz + \ |
624 | decode_savefh_maxsz + \ | |
625 | decode_putfh_maxsz + \ | |
778d2817 | 626 | decode_rename_maxsz) |
1da177e4 | 627 | #define NFS4_enc_link_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 628 | encode_sequence_maxsz + \ |
1da177e4 LT |
629 | encode_putfh_maxsz + \ |
630 | encode_savefh_maxsz + \ | |
631 | encode_putfh_maxsz + \ | |
91ba2eee | 632 | encode_link_maxsz + \ |
91ba2eee | 633 | encode_restorefh_maxsz + \ |
a9f6991b | 634 | encode_getattr_maxsz) |
1da177e4 | 635 | #define NFS4_dec_link_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 636 | decode_sequence_maxsz + \ |
1da177e4 LT |
637 | decode_putfh_maxsz + \ |
638 | decode_savefh_maxsz + \ | |
639 | decode_putfh_maxsz + \ | |
91ba2eee | 640 | decode_link_maxsz + \ |
91ba2eee TM |
641 | decode_restorefh_maxsz + \ |
642 | decode_getattr_maxsz) | |
1da177e4 | 643 | #define NFS4_enc_symlink_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 644 | encode_sequence_maxsz + \ |
1da177e4 LT |
645 | encode_putfh_maxsz + \ |
646 | encode_symlink_maxsz + \ | |
647 | encode_getattr_maxsz + \ | |
648 | encode_getfh_maxsz) | |
649 | #define NFS4_dec_symlink_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 650 | decode_sequence_maxsz + \ |
1da177e4 LT |
651 | decode_putfh_maxsz + \ |
652 | decode_symlink_maxsz + \ | |
653 | decode_getattr_maxsz + \ | |
654 | decode_getfh_maxsz) | |
655 | #define NFS4_enc_create_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 656 | encode_sequence_maxsz + \ |
1da177e4 LT |
657 | encode_putfh_maxsz + \ |
658 | encode_create_maxsz + \ | |
56ae19f3 | 659 | encode_getfh_maxsz + \ |
56ae19f3 | 660 | encode_getattr_maxsz) |
1da177e4 | 661 | #define NFS4_dec_create_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 662 | decode_sequence_maxsz + \ |
1da177e4 LT |
663 | decode_putfh_maxsz + \ |
664 | decode_create_maxsz + \ | |
56ae19f3 | 665 | decode_getfh_maxsz + \ |
56ae19f3 | 666 | decode_getattr_maxsz) |
1da177e4 | 667 | #define NFS4_enc_pathconf_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 668 | encode_sequence_maxsz + \ |
1da177e4 LT |
669 | encode_putfh_maxsz + \ |
670 | encode_getattr_maxsz) | |
671 | #define NFS4_dec_pathconf_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 672 | decode_sequence_maxsz + \ |
1da177e4 LT |
673 | decode_putfh_maxsz + \ |
674 | decode_getattr_maxsz) | |
675 | #define NFS4_enc_statfs_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 676 | encode_sequence_maxsz + \ |
1da177e4 | 677 | encode_putfh_maxsz + \ |
9104a55d | 678 | encode_statfs_maxsz) |
1da177e4 | 679 | #define NFS4_dec_statfs_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 680 | decode_sequence_maxsz + \ |
1da177e4 | 681 | decode_putfh_maxsz + \ |
9104a55d | 682 | decode_statfs_maxsz) |
1da177e4 | 683 | #define NFS4_enc_server_caps_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 684 | encode_sequence_maxsz + \ |
ab91f264 | 685 | encode_putfh_maxsz + \ |
1da177e4 LT |
686 | encode_getattr_maxsz) |
687 | #define NFS4_dec_server_caps_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 688 | decode_sequence_maxsz + \ |
ab91f264 | 689 | decode_putfh_maxsz + \ |
1da177e4 LT |
690 | decode_getattr_maxsz) |
691 | #define NFS4_enc_delegreturn_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 692 | encode_sequence_maxsz + \ |
1da177e4 | 693 | encode_putfh_maxsz + \ |
fa178f29 TM |
694 | encode_delegreturn_maxsz + \ |
695 | encode_getattr_maxsz) | |
1da177e4 | 696 | #define NFS4_dec_delegreturn_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 697 | decode_sequence_maxsz + \ |
fa178f29 TM |
698 | decode_delegreturn_maxsz + \ |
699 | decode_getattr_maxsz) | |
029d105e | 700 | #define NFS4_enc_getacl_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 701 | encode_sequence_maxsz + \ |
029d105e | 702 | encode_putfh_maxsz + \ |
9104a55d | 703 | encode_getacl_maxsz) |
029d105e | 704 | #define NFS4_dec_getacl_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 705 | decode_sequence_maxsz + \ |
029d105e | 706 | decode_putfh_maxsz + \ |
9104a55d | 707 | decode_getacl_maxsz) |
23ec6965 | 708 | #define NFS4_enc_setacl_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 709 | encode_sequence_maxsz + \ |
23ec6965 | 710 | encode_putfh_maxsz + \ |
9104a55d | 711 | encode_setacl_maxsz) |
23ec6965 | 712 | #define NFS4_dec_setacl_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 713 | decode_sequence_maxsz + \ |
23ec6965 | 714 | decode_putfh_maxsz + \ |
9104a55d | 715 | decode_setacl_maxsz) |
683b57b4 TM |
716 | #define NFS4_enc_fs_locations_sz \ |
717 | (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 718 | encode_sequence_maxsz + \ |
683b57b4 | 719 | encode_putfh_maxsz + \ |
e6889620 TM |
720 | encode_lookup_maxsz + \ |
721 | encode_fs_locations_maxsz) | |
683b57b4 TM |
722 | #define NFS4_dec_fs_locations_sz \ |
723 | (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 724 | decode_sequence_maxsz + \ |
683b57b4 | 725 | decode_putfh_maxsz + \ |
e6889620 TM |
726 | decode_lookup_maxsz + \ |
727 | decode_fs_locations_maxsz) | |
5a5ea0d4 BS |
728 | #define NFS4_enc_secinfo_sz (compound_encode_hdr_maxsz + \ |
729 | encode_sequence_maxsz + \ | |
730 | encode_putfh_maxsz + \ | |
731 | encode_secinfo_maxsz) | |
732 | #define NFS4_dec_secinfo_sz (compound_decode_hdr_maxsz + \ | |
733 | decode_sequence_maxsz + \ | |
734 | decode_putfh_maxsz + \ | |
735 | decode_secinfo_maxsz) | |
99fe60d0 | 736 | #if defined(CONFIG_NFS_V4_1) |
7c44f1ae WAA |
737 | #define NFS4_enc_bind_conn_to_session_sz \ |
738 | (compound_encode_hdr_maxsz + \ | |
739 | encode_bind_conn_to_session_maxsz) | |
740 | #define NFS4_dec_bind_conn_to_session_sz \ | |
741 | (compound_decode_hdr_maxsz + \ | |
742 | decode_bind_conn_to_session_maxsz) | |
99fe60d0 BH |
743 | #define NFS4_enc_exchange_id_sz \ |
744 | (compound_encode_hdr_maxsz + \ | |
745 | encode_exchange_id_maxsz) | |
746 | #define NFS4_dec_exchange_id_sz \ | |
747 | (compound_decode_hdr_maxsz + \ | |
748 | decode_exchange_id_maxsz) | |
fc931582 AA |
749 | #define NFS4_enc_create_session_sz \ |
750 | (compound_encode_hdr_maxsz + \ | |
751 | encode_create_session_maxsz) | |
752 | #define NFS4_dec_create_session_sz \ | |
753 | (compound_decode_hdr_maxsz + \ | |
754 | decode_create_session_maxsz) | |
0f3e66c6 AA |
755 | #define NFS4_enc_destroy_session_sz (compound_encode_hdr_maxsz + \ |
756 | encode_destroy_session_maxsz) | |
757 | #define NFS4_dec_destroy_session_sz (compound_decode_hdr_maxsz + \ | |
758 | decode_destroy_session_maxsz) | |
66245539 TM |
759 | #define NFS4_enc_destroy_clientid_sz (compound_encode_hdr_maxsz + \ |
760 | encode_destroy_clientid_maxsz) | |
761 | #define NFS4_dec_destroy_clientid_sz (compound_decode_hdr_maxsz + \ | |
762 | decode_destroy_clientid_maxsz) | |
fc01cea9 AA |
763 | #define NFS4_enc_sequence_sz \ |
764 | (compound_decode_hdr_maxsz + \ | |
765 | encode_sequence_maxsz) | |
766 | #define NFS4_dec_sequence_sz \ | |
767 | (compound_decode_hdr_maxsz + \ | |
768 | decode_sequence_maxsz) | |
2050f0cc AA |
769 | #define NFS4_enc_get_lease_time_sz (compound_encode_hdr_maxsz + \ |
770 | encode_sequence_maxsz + \ | |
771 | encode_putrootfh_maxsz + \ | |
772 | encode_fsinfo_maxsz) | |
773 | #define NFS4_dec_get_lease_time_sz (compound_decode_hdr_maxsz + \ | |
774 | decode_sequence_maxsz + \ | |
775 | decode_putrootfh_maxsz + \ | |
776 | decode_fsinfo_maxsz) | |
18019753 RL |
777 | #define NFS4_enc_reclaim_complete_sz (compound_encode_hdr_maxsz + \ |
778 | encode_sequence_maxsz + \ | |
779 | encode_reclaim_complete_maxsz) | |
780 | #define NFS4_dec_reclaim_complete_sz (compound_decode_hdr_maxsz + \ | |
781 | decode_sequence_maxsz + \ | |
782 | decode_reclaim_complete_maxsz) | |
7f11d8d3 AA |
783 | #define NFS4_enc_getdevicelist_sz (compound_encode_hdr_maxsz + \ |
784 | encode_sequence_maxsz + \ | |
785 | encode_putfh_maxsz + \ | |
786 | encode_getdevicelist_maxsz) | |
787 | #define NFS4_dec_getdevicelist_sz (compound_decode_hdr_maxsz + \ | |
788 | decode_sequence_maxsz + \ | |
789 | decode_putfh_maxsz + \ | |
790 | decode_getdevicelist_maxsz) | |
b1f69b75 AA |
791 | #define NFS4_enc_getdeviceinfo_sz (compound_encode_hdr_maxsz + \ |
792 | encode_sequence_maxsz +\ | |
793 | encode_getdeviceinfo_maxsz) | |
794 | #define NFS4_dec_getdeviceinfo_sz (compound_decode_hdr_maxsz + \ | |
795 | decode_sequence_maxsz + \ | |
796 | decode_getdeviceinfo_maxsz) | |
797 | #define NFS4_enc_layoutget_sz (compound_encode_hdr_maxsz + \ | |
798 | encode_sequence_maxsz + \ | |
799 | encode_putfh_maxsz + \ | |
800 | encode_layoutget_maxsz) | |
801 | #define NFS4_dec_layoutget_sz (compound_decode_hdr_maxsz + \ | |
802 | decode_sequence_maxsz + \ | |
803 | decode_putfh_maxsz + \ | |
804 | decode_layoutget_maxsz) | |
863a3c6c AA |
805 | #define NFS4_enc_layoutcommit_sz (compound_encode_hdr_maxsz + \ |
806 | encode_sequence_maxsz +\ | |
807 | encode_putfh_maxsz + \ | |
808 | encode_layoutcommit_maxsz + \ | |
809 | encode_getattr_maxsz) | |
810 | #define NFS4_dec_layoutcommit_sz (compound_decode_hdr_maxsz + \ | |
811 | decode_sequence_maxsz + \ | |
812 | decode_putfh_maxsz + \ | |
813 | decode_layoutcommit_maxsz + \ | |
814 | decode_getattr_maxsz) | |
cbe82603 BH |
815 | #define NFS4_enc_layoutreturn_sz (compound_encode_hdr_maxsz + \ |
816 | encode_sequence_maxsz + \ | |
817 | encode_putfh_maxsz + \ | |
818 | encode_layoutreturn_maxsz) | |
819 | #define NFS4_dec_layoutreturn_sz (compound_decode_hdr_maxsz + \ | |
820 | decode_sequence_maxsz + \ | |
821 | decode_putfh_maxsz + \ | |
822 | decode_layoutreturn_maxsz) | |
fca78d6d BS |
823 | #define NFS4_enc_secinfo_no_name_sz (compound_encode_hdr_maxsz + \ |
824 | encode_sequence_maxsz + \ | |
825 | encode_putrootfh_maxsz +\ | |
826 | encode_secinfo_no_name_maxsz) | |
827 | #define NFS4_dec_secinfo_no_name_sz (compound_decode_hdr_maxsz + \ | |
828 | decode_sequence_maxsz + \ | |
829 | decode_putrootfh_maxsz + \ | |
830 | decode_secinfo_no_name_maxsz) | |
7d974794 BS |
831 | #define NFS4_enc_test_stateid_sz (compound_encode_hdr_maxsz + \ |
832 | encode_sequence_maxsz + \ | |
833 | encode_test_stateid_maxsz) | |
834 | #define NFS4_dec_test_stateid_sz (compound_decode_hdr_maxsz + \ | |
835 | decode_sequence_maxsz + \ | |
836 | decode_test_stateid_maxsz) | |
9aeda35f BS |
837 | #define NFS4_enc_free_stateid_sz (compound_encode_hdr_maxsz + \ |
838 | encode_sequence_maxsz + \ | |
839 | encode_free_stateid_maxsz) | |
840 | #define NFS4_dec_free_stateid_sz (compound_decode_hdr_maxsz + \ | |
841 | decode_sequence_maxsz + \ | |
842 | decode_free_stateid_maxsz) | |
2449ea2e AB |
843 | |
844 | const u32 nfs41_maxwrite_overhead = ((RPC_MAX_HEADER_WITH_AUTH + | |
845 | compound_encode_hdr_maxsz + | |
846 | encode_sequence_maxsz + | |
847 | encode_putfh_maxsz + | |
848 | encode_getattr_maxsz) * | |
849 | XDR_UNIT); | |
850 | ||
851 | const u32 nfs41_maxread_overhead = ((RPC_MAX_HEADER_WITH_AUTH + | |
852 | compound_decode_hdr_maxsz + | |
853 | decode_sequence_maxsz + | |
854 | decode_putfh_maxsz) * | |
855 | XDR_UNIT); | |
99fe60d0 | 856 | #endif /* CONFIG_NFS_V4_1 */ |
1da177e4 | 857 | |
bca79478 TM |
858 | static const umode_t nfs_type2fmt[] = { |
859 | [NF4BAD] = 0, | |
860 | [NF4REG] = S_IFREG, | |
861 | [NF4DIR] = S_IFDIR, | |
862 | [NF4BLK] = S_IFBLK, | |
863 | [NF4CHR] = S_IFCHR, | |
864 | [NF4LNK] = S_IFLNK, | |
865 | [NF4SOCK] = S_IFSOCK, | |
866 | [NF4FIFO] = S_IFIFO, | |
867 | [NF4ATTRDIR] = 0, | |
868 | [NF4NAMEDATTR] = 0, | |
1da177e4 LT |
869 | }; |
870 | ||
871 | struct compound_hdr { | |
872 | int32_t status; | |
873 | uint32_t nops; | |
d017931c | 874 | __be32 * nops_p; |
1da177e4 LT |
875 | uint32_t taglen; |
876 | char * tag; | |
0c4e8c18 | 877 | uint32_t replen; /* expected reply words */ |
66cc0429 | 878 | u32 minorversion; |
1da177e4 LT |
879 | }; |
880 | ||
13c65ce9 BH |
881 | static __be32 *reserve_space(struct xdr_stream *xdr, size_t nbytes) |
882 | { | |
883 | __be32 *p = xdr_reserve_space(xdr, nbytes); | |
884 | BUG_ON(!p); | |
885 | return p; | |
886 | } | |
1da177e4 | 887 | |
cb17e556 TM |
888 | static void encode_opaque_fixed(struct xdr_stream *xdr, const void *buf, size_t len) |
889 | { | |
890 | __be32 *p; | |
891 | ||
892 | p = xdr_reserve_space(xdr, len); | |
893 | xdr_encode_opaque_fixed(p, buf, len); | |
894 | } | |
895 | ||
1da177e4 LT |
896 | static void encode_string(struct xdr_stream *xdr, unsigned int len, const char *str) |
897 | { | |
8687b63a | 898 | __be32 *p; |
1da177e4 | 899 | |
6fdfb0bc | 900 | p = reserve_space(xdr, 4 + len); |
1da177e4 LT |
901 | xdr_encode_opaque(p, str, len); |
902 | } | |
903 | ||
4ade9821 TM |
904 | static void encode_uint32(struct xdr_stream *xdr, u32 n) |
905 | { | |
906 | __be32 *p; | |
907 | ||
908 | p = reserve_space(xdr, 4); | |
909 | *p = cpu_to_be32(n); | |
910 | } | |
911 | ||
ff2eb681 TM |
912 | static void encode_uint64(struct xdr_stream *xdr, u64 n) |
913 | { | |
914 | __be32 *p; | |
915 | ||
916 | p = reserve_space(xdr, 8); | |
917 | xdr_encode_hyper(p, n); | |
918 | } | |
919 | ||
4ade9821 TM |
920 | static void encode_nfs4_seqid(struct xdr_stream *xdr, |
921 | const struct nfs_seqid *seqid) | |
922 | { | |
923 | encode_uint32(xdr, seqid->sequence->counter); | |
924 | } | |
925 | ||
0c4e8c18 BH |
926 | static void encode_compound_hdr(struct xdr_stream *xdr, |
927 | struct rpc_rqst *req, | |
928 | struct compound_hdr *hdr) | |
1da177e4 | 929 | { |
8687b63a | 930 | __be32 *p; |
a17c2153 | 931 | struct rpc_auth *auth = req->rq_cred->cr_auth; |
0c4e8c18 BH |
932 | |
933 | /* initialize running count of expected bytes in reply. | |
934 | * NOTE: the replied tag SHOULD be the same is the one sent, | |
935 | * but this is not required as a MUST for the server to do so. */ | |
936 | hdr->replen = RPC_REPHDRSIZE + auth->au_rslack + 3 + hdr->taglen; | |
1da177e4 | 937 | |
7fc38846 | 938 | WARN_ON_ONCE(hdr->taglen > NFS4_MAXTAGLEN); |
6fdfb0bc TM |
939 | encode_string(xdr, hdr->taglen, hdr->tag); |
940 | p = reserve_space(xdr, 8); | |
e75bc1c8 | 941 | *p++ = cpu_to_be32(hdr->minorversion); |
d017931c | 942 | hdr->nops_p = p; |
34558513 | 943 | *p = cpu_to_be32(hdr->nops); |
d017931c AA |
944 | } |
945 | ||
ab19b481 TM |
946 | static void encode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 op, |
947 | uint32_t replen, | |
948 | struct compound_hdr *hdr) | |
949 | { | |
950 | encode_uint32(xdr, op); | |
951 | hdr->nops++; | |
952 | hdr->replen += replen; | |
953 | } | |
954 | ||
d017931c AA |
955 | static void encode_nops(struct compound_hdr *hdr) |
956 | { | |
7fc38846 | 957 | WARN_ON_ONCE(hdr->nops > NFS4_MAX_OPS); |
d017931c | 958 | *hdr->nops_p = htonl(hdr->nops); |
1da177e4 LT |
959 | } |
960 | ||
ea9d23f5 TM |
961 | static void encode_nfs4_stateid(struct xdr_stream *xdr, const nfs4_stateid *stateid) |
962 | { | |
2d2f24ad | 963 | encode_opaque_fixed(xdr, stateid, NFS4_STATEID_SIZE); |
ea9d23f5 TM |
964 | } |
965 | ||
1da177e4 LT |
966 | static void encode_nfs4_verifier(struct xdr_stream *xdr, const nfs4_verifier *verf) |
967 | { | |
cb17e556 | 968 | encode_opaque_fixed(xdr, verf->data, NFS4_VERIFIER_SIZE); |
1da177e4 LT |
969 | } |
970 | ||
cf8cdbe5 | 971 | static void encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const struct nfs_server *server) |
1da177e4 LT |
972 | { |
973 | char owner_name[IDMAP_NAMESZ]; | |
974 | char owner_group[IDMAP_NAMESZ]; | |
975 | int owner_namelen = 0; | |
976 | int owner_grouplen = 0; | |
8687b63a AV |
977 | __be32 *p; |
978 | __be32 *q; | |
1da177e4 LT |
979 | int len; |
980 | uint32_t bmval0 = 0; | |
981 | uint32_t bmval1 = 0; | |
1da177e4 LT |
982 | |
983 | /* | |
984 | * We reserve enough space to write the entire attribute buffer at once. | |
985 | * In the worst-case, this would be | |
986 | * 12(bitmap) + 4(attrlen) + 8(size) + 4(mode) + 4(atime) + 4(mtime) | |
987 | * = 36 bytes, plus any contribution from variable-length fields | |
23ec6965 | 988 | * such as owner/group. |
1da177e4 LT |
989 | */ |
990 | len = 16; | |
991 | ||
992 | /* Sigh */ | |
993 | if (iap->ia_valid & ATTR_SIZE) | |
994 | len += 8; | |
995 | if (iap->ia_valid & ATTR_MODE) | |
996 | len += 4; | |
997 | if (iap->ia_valid & ATTR_UID) { | |
e4fd72a1 | 998 | owner_namelen = nfs_map_uid_to_name(server, iap->ia_uid, owner_name, IDMAP_NAMESZ); |
1da177e4 | 999 | if (owner_namelen < 0) { |
fe82a183 | 1000 | dprintk("nfs: couldn't resolve uid %d to string\n", |
e5782076 | 1001 | from_kuid(&init_user_ns, iap->ia_uid)); |
1da177e4 LT |
1002 | /* XXX */ |
1003 | strcpy(owner_name, "nobody"); | |
1004 | owner_namelen = sizeof("nobody") - 1; | |
1005 | /* goto out; */ | |
1006 | } | |
1007 | len += 4 + (XDR_QUADLEN(owner_namelen) << 2); | |
1008 | } | |
1009 | if (iap->ia_valid & ATTR_GID) { | |
e4fd72a1 | 1010 | owner_grouplen = nfs_map_gid_to_group(server, iap->ia_gid, owner_group, IDMAP_NAMESZ); |
1da177e4 | 1011 | if (owner_grouplen < 0) { |
fe82a183 | 1012 | dprintk("nfs: couldn't resolve gid %d to string\n", |
e5782076 | 1013 | from_kgid(&init_user_ns, iap->ia_gid)); |
1da177e4 LT |
1014 | strcpy(owner_group, "nobody"); |
1015 | owner_grouplen = sizeof("nobody") - 1; | |
1016 | /* goto out; */ | |
1017 | } | |
1018 | len += 4 + (XDR_QUADLEN(owner_grouplen) << 2); | |
1019 | } | |
1020 | if (iap->ia_valid & ATTR_ATIME_SET) | |
1021 | len += 16; | |
1022 | else if (iap->ia_valid & ATTR_ATIME) | |
1023 | len += 4; | |
1024 | if (iap->ia_valid & ATTR_MTIME_SET) | |
1025 | len += 16; | |
1026 | else if (iap->ia_valid & ATTR_MTIME) | |
1027 | len += 4; | |
13c65ce9 | 1028 | p = reserve_space(xdr, len); |
1da177e4 LT |
1029 | |
1030 | /* | |
1031 | * We write the bitmap length now, but leave the bitmap and the attribute | |
1032 | * buffer length to be backfilled at the end of this routine. | |
1033 | */ | |
e75bc1c8 | 1034 | *p++ = cpu_to_be32(2); |
1da177e4 LT |
1035 | q = p; |
1036 | p += 3; | |
1037 | ||
1038 | if (iap->ia_valid & ATTR_SIZE) { | |
1039 | bmval0 |= FATTR4_WORD0_SIZE; | |
b95be5a9 | 1040 | p = xdr_encode_hyper(p, iap->ia_size); |
1da177e4 LT |
1041 | } |
1042 | if (iap->ia_valid & ATTR_MODE) { | |
1043 | bmval1 |= FATTR4_WORD1_MODE; | |
e75bc1c8 | 1044 | *p++ = cpu_to_be32(iap->ia_mode & S_IALLUGO); |
1da177e4 LT |
1045 | } |
1046 | if (iap->ia_valid & ATTR_UID) { | |
1047 | bmval1 |= FATTR4_WORD1_OWNER; | |
811652bd | 1048 | p = xdr_encode_opaque(p, owner_name, owner_namelen); |
1da177e4 LT |
1049 | } |
1050 | if (iap->ia_valid & ATTR_GID) { | |
1051 | bmval1 |= FATTR4_WORD1_OWNER_GROUP; | |
811652bd | 1052 | p = xdr_encode_opaque(p, owner_group, owner_grouplen); |
1da177e4 LT |
1053 | } |
1054 | if (iap->ia_valid & ATTR_ATIME_SET) { | |
1055 | bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET; | |
e75bc1c8 | 1056 | *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); |
042ad0b3 | 1057 | p = xdr_encode_hyper(p, (s64)iap->ia_atime.tv_sec); |
d3f6baaa | 1058 | *p++ = cpu_to_be32(iap->ia_atime.tv_nsec); |
1da177e4 LT |
1059 | } |
1060 | else if (iap->ia_valid & ATTR_ATIME) { | |
1061 | bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET; | |
e75bc1c8 | 1062 | *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); |
1da177e4 LT |
1063 | } |
1064 | if (iap->ia_valid & ATTR_MTIME_SET) { | |
1065 | bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET; | |
e75bc1c8 | 1066 | *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); |
042ad0b3 | 1067 | p = xdr_encode_hyper(p, (s64)iap->ia_mtime.tv_sec); |
e75bc1c8 | 1068 | *p++ = cpu_to_be32(iap->ia_mtime.tv_nsec); |
1da177e4 LT |
1069 | } |
1070 | else if (iap->ia_valid & ATTR_MTIME) { | |
1071 | bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET; | |
e75bc1c8 | 1072 | *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); |
1da177e4 | 1073 | } |
6c0195a4 | 1074 | |
1da177e4 LT |
1075 | /* |
1076 | * Now we backfill the bitmap and the attribute buffer length. | |
1077 | */ | |
1078 | if (len != ((char *)p - (char *)q) + 4) { | |
f9fd2d9c | 1079 | printk(KERN_ERR "NFS: Attr length error, %u != %Zu\n", |
1da177e4 LT |
1080 | len, ((char *)p - (char *)q) + 4); |
1081 | BUG(); | |
1082 | } | |
1083 | len = (char *)p - (char *)q - 12; | |
1084 | *q++ = htonl(bmval0); | |
1085 | *q++ = htonl(bmval1); | |
34558513 | 1086 | *q = htonl(len); |
1da177e4 | 1087 | |
1da177e4 | 1088 | /* out: */ |
1da177e4 LT |
1089 | } |
1090 | ||
cf8cdbe5 | 1091 | static void encode_access(struct xdr_stream *xdr, u32 access, struct compound_hdr *hdr) |
1da177e4 | 1092 | { |
475d4ba0 TM |
1093 | encode_op_hdr(xdr, OP_ACCESS, decode_access_maxsz, hdr); |
1094 | encode_uint32(xdr, access); | |
1da177e4 LT |
1095 | } |
1096 | ||
cf8cdbe5 | 1097 | static void encode_close(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1098 | { |
ab19b481 | 1099 | encode_op_hdr(xdr, OP_CLOSE, decode_close_maxsz, hdr); |
4ade9821 | 1100 | encode_nfs4_seqid(xdr, arg->seqid); |
ea9d23f5 | 1101 | encode_nfs4_stateid(xdr, arg->stateid); |
1da177e4 LT |
1102 | } |
1103 | ||
0b7c0153 | 1104 | static void encode_commit(struct xdr_stream *xdr, const struct nfs_commitargs *args, struct compound_hdr *hdr) |
1da177e4 | 1105 | { |
8687b63a | 1106 | __be32 *p; |
6c0195a4 | 1107 | |
475d4ba0 TM |
1108 | encode_op_hdr(xdr, OP_COMMIT, decode_commit_maxsz, hdr); |
1109 | p = reserve_space(xdr, 12); | |
b95be5a9 | 1110 | p = xdr_encode_hyper(p, args->offset); |
34558513 | 1111 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1112 | } |
1113 | ||
cf8cdbe5 | 1114 | static void encode_create(struct xdr_stream *xdr, const struct nfs4_create_arg *create, struct compound_hdr *hdr) |
1da177e4 | 1115 | { |
8687b63a | 1116 | __be32 *p; |
6c0195a4 | 1117 | |
475d4ba0 TM |
1118 | encode_op_hdr(xdr, OP_CREATE, decode_create_maxsz, hdr); |
1119 | encode_uint32(xdr, create->ftype); | |
1da177e4 LT |
1120 | |
1121 | switch (create->ftype) { | |
1122 | case NF4LNK: | |
13c65ce9 | 1123 | p = reserve_space(xdr, 4); |
34558513 | 1124 | *p = cpu_to_be32(create->u.symlink.len); |
94a6d753 | 1125 | xdr_write_pages(xdr, create->u.symlink.pages, 0, create->u.symlink.len); |
1da177e4 LT |
1126 | break; |
1127 | ||
1128 | case NF4BLK: case NF4CHR: | |
13c65ce9 | 1129 | p = reserve_space(xdr, 8); |
e75bc1c8 | 1130 | *p++ = cpu_to_be32(create->u.device.specdata1); |
34558513 | 1131 | *p = cpu_to_be32(create->u.device.specdata2); |
1da177e4 LT |
1132 | break; |
1133 | ||
1134 | default: | |
1135 | break; | |
1136 | } | |
1137 | ||
811652bd | 1138 | encode_string(xdr, create->name->len, create->name->name); |
cf8cdbe5 | 1139 | encode_attrs(xdr, create->attrs, create->server); |
1da177e4 LT |
1140 | } |
1141 | ||
cf8cdbe5 | 1142 | static void encode_getattr_one(struct xdr_stream *xdr, uint32_t bitmap, struct compound_hdr *hdr) |
1da177e4 | 1143 | { |
05d564fe | 1144 | __be32 *p; |
1da177e4 | 1145 | |
475d4ba0 TM |
1146 | encode_op_hdr(xdr, OP_GETATTR, decode_getattr_maxsz, hdr); |
1147 | p = reserve_space(xdr, 8); | |
e75bc1c8 | 1148 | *p++ = cpu_to_be32(1); |
34558513 | 1149 | *p = cpu_to_be32(bitmap); |
1da177e4 LT |
1150 | } |
1151 | ||
cf8cdbe5 | 1152 | static void encode_getattr_two(struct xdr_stream *xdr, uint32_t bm0, uint32_t bm1, struct compound_hdr *hdr) |
1da177e4 | 1153 | { |
05d564fe | 1154 | __be32 *p; |
1da177e4 | 1155 | |
475d4ba0 TM |
1156 | encode_op_hdr(xdr, OP_GETATTR, decode_getattr_maxsz, hdr); |
1157 | p = reserve_space(xdr, 12); | |
e75bc1c8 BH |
1158 | *p++ = cpu_to_be32(2); |
1159 | *p++ = cpu_to_be32(bm0); | |
34558513 | 1160 | *p = cpu_to_be32(bm1); |
1da177e4 LT |
1161 | } |
1162 | ||
dae100c2 FI |
1163 | static void |
1164 | encode_getattr_three(struct xdr_stream *xdr, | |
1165 | uint32_t bm0, uint32_t bm1, uint32_t bm2, | |
1166 | struct compound_hdr *hdr) | |
1167 | { | |
1168 | __be32 *p; | |
1169 | ||
ab19b481 | 1170 | encode_op_hdr(xdr, OP_GETATTR, decode_getattr_maxsz, hdr); |
dae100c2 FI |
1171 | if (bm2) { |
1172 | p = reserve_space(xdr, 16); | |
1173 | *p++ = cpu_to_be32(3); | |
1174 | *p++ = cpu_to_be32(bm0); | |
1175 | *p++ = cpu_to_be32(bm1); | |
1176 | *p = cpu_to_be32(bm2); | |
1177 | } else if (bm1) { | |
1178 | p = reserve_space(xdr, 12); | |
1179 | *p++ = cpu_to_be32(2); | |
1180 | *p++ = cpu_to_be32(bm0); | |
1181 | *p = cpu_to_be32(bm1); | |
1182 | } else { | |
1183 | p = reserve_space(xdr, 8); | |
1184 | *p++ = cpu_to_be32(1); | |
1185 | *p = cpu_to_be32(bm0); | |
1186 | } | |
dae100c2 FI |
1187 | } |
1188 | ||
cf8cdbe5 | 1189 | static void encode_getfattr(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
1da177e4 | 1190 | { |
cf8cdbe5 AA |
1191 | encode_getattr_two(xdr, bitmask[0] & nfs4_fattr_bitmap[0], |
1192 | bitmask[1] & nfs4_fattr_bitmap[1], hdr); | |
1da177e4 LT |
1193 | } |
1194 | ||
88034c3d | 1195 | static void encode_getfattr_open(struct xdr_stream *xdr, const u32 *bitmask, |
1549210f | 1196 | const u32 *open_bitmap, |
88034c3d AA |
1197 | struct compound_hdr *hdr) |
1198 | { | |
1199 | encode_getattr_three(xdr, | |
1549210f TM |
1200 | bitmask[0] & open_bitmap[0], |
1201 | bitmask[1] & open_bitmap[1], | |
1202 | bitmask[2] & open_bitmap[2], | |
88034c3d AA |
1203 | hdr); |
1204 | } | |
1205 | ||
cf8cdbe5 | 1206 | static void encode_fsinfo(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
1da177e4 | 1207 | { |
dae100c2 FI |
1208 | encode_getattr_three(xdr, |
1209 | bitmask[0] & nfs4_fsinfo_bitmap[0], | |
1210 | bitmask[1] & nfs4_fsinfo_bitmap[1], | |
1211 | bitmask[2] & nfs4_fsinfo_bitmap[2], | |
1212 | hdr); | |
1da177e4 LT |
1213 | } |
1214 | ||
cf8cdbe5 | 1215 | static void encode_fs_locations(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
830b8e33 | 1216 | { |
cf8cdbe5 AA |
1217 | encode_getattr_two(xdr, bitmask[0] & nfs4_fs_locations_bitmap[0], |
1218 | bitmask[1] & nfs4_fs_locations_bitmap[1], hdr); | |
830b8e33 MN |
1219 | } |
1220 | ||
cf8cdbe5 | 1221 | static void encode_getfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1222 | { |
ab19b481 | 1223 | encode_op_hdr(xdr, OP_GETFH, decode_getfh_maxsz, hdr); |
1da177e4 LT |
1224 | } |
1225 | ||
cf8cdbe5 | 1226 | static void encode_link(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1227 | { |
ab19b481 | 1228 | encode_op_hdr(xdr, OP_LINK, decode_link_maxsz, hdr); |
6fdfb0bc | 1229 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1230 | } |
1231 | ||
911d1aaf TM |
1232 | static inline int nfs4_lock_type(struct file_lock *fl, int block) |
1233 | { | |
f44106e2 | 1234 | if (fl->fl_type == F_RDLCK) |
911d1aaf TM |
1235 | return block ? NFS4_READW_LT : NFS4_READ_LT; |
1236 | return block ? NFS4_WRITEW_LT : NFS4_WRITE_LT; | |
1237 | } | |
1238 | ||
1239 | static inline uint64_t nfs4_lock_length(struct file_lock *fl) | |
1240 | { | |
1241 | if (fl->fl_end == OFFSET_MAX) | |
1242 | return ~(uint64_t)0; | |
1243 | return fl->fl_end - fl->fl_start + 1; | |
1244 | } | |
1245 | ||
daccbded TM |
1246 | static void encode_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner) |
1247 | { | |
1248 | __be32 *p; | |
1249 | ||
d035c36c | 1250 | p = reserve_space(xdr, 32); |
daccbded | 1251 | p = xdr_encode_hyper(p, lowner->clientid); |
d035c36c | 1252 | *p++ = cpu_to_be32(20); |
daccbded | 1253 | p = xdr_encode_opaque_fixed(p, "lock id:", 8); |
d035c36c | 1254 | *p++ = cpu_to_be32(lowner->s_dev); |
daccbded TM |
1255 | xdr_encode_hyper(p, lowner->id); |
1256 | } | |
1257 | ||
1da177e4 LT |
1258 | /* |
1259 | * opcode,type,reclaim,offset,length,new_lock_owner = 32 | |
1260 | * open_seqid,open_stateid,lock_seqid,lock_owner.clientid, lock_owner.id = 40 | |
1261 | */ | |
cf8cdbe5 | 1262 | static void encode_lock(struct xdr_stream *xdr, const struct nfs_lock_args *args, struct compound_hdr *hdr) |
1da177e4 | 1263 | { |
8687b63a | 1264 | __be32 *p; |
1da177e4 | 1265 | |
475d4ba0 TM |
1266 | encode_op_hdr(xdr, OP_LOCK, decode_lock_maxsz, hdr); |
1267 | p = reserve_space(xdr, 28); | |
e75bc1c8 BH |
1268 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, args->block)); |
1269 | *p++ = cpu_to_be32(args->reclaim); | |
b95be5a9 BH |
1270 | p = xdr_encode_hyper(p, args->fl->fl_start); |
1271 | p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); | |
34558513 | 1272 | *p = cpu_to_be32(args->new_lock_owner); |
911d1aaf | 1273 | if (args->new_lock_owner){ |
4ade9821 | 1274 | encode_nfs4_seqid(xdr, args->open_seqid); |
ea9d23f5 | 1275 | encode_nfs4_stateid(xdr, args->open_stateid); |
4ade9821 | 1276 | encode_nfs4_seqid(xdr, args->lock_seqid); |
daccbded | 1277 | encode_lockowner(xdr, &args->lock_owner); |
1da177e4 LT |
1278 | } |
1279 | else { | |
ea9d23f5 | 1280 | encode_nfs4_stateid(xdr, args->lock_stateid); |
4ade9821 | 1281 | encode_nfs4_seqid(xdr, args->lock_seqid); |
1da177e4 | 1282 | } |
1da177e4 LT |
1283 | } |
1284 | ||
cf8cdbe5 | 1285 | static void encode_lockt(struct xdr_stream *xdr, const struct nfs_lockt_args *args, struct compound_hdr *hdr) |
1da177e4 | 1286 | { |
8687b63a | 1287 | __be32 *p; |
1da177e4 | 1288 | |
475d4ba0 TM |
1289 | encode_op_hdr(xdr, OP_LOCKT, decode_lockt_maxsz, hdr); |
1290 | p = reserve_space(xdr, 20); | |
e75bc1c8 | 1291 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, 0)); |
b95be5a9 BH |
1292 | p = xdr_encode_hyper(p, args->fl->fl_start); |
1293 | p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); | |
daccbded | 1294 | encode_lockowner(xdr, &args->lock_owner); |
1da177e4 LT |
1295 | } |
1296 | ||
cf8cdbe5 | 1297 | static void encode_locku(struct xdr_stream *xdr, const struct nfs_locku_args *args, struct compound_hdr *hdr) |
1da177e4 | 1298 | { |
8687b63a | 1299 | __be32 *p; |
1da177e4 | 1300 | |
475d4ba0 TM |
1301 | encode_op_hdr(xdr, OP_LOCKU, decode_locku_maxsz, hdr); |
1302 | encode_uint32(xdr, nfs4_lock_type(args->fl, 0)); | |
4ade9821 | 1303 | encode_nfs4_seqid(xdr, args->seqid); |
ea9d23f5 TM |
1304 | encode_nfs4_stateid(xdr, args->stateid); |
1305 | p = reserve_space(xdr, 16); | |
b95be5a9 | 1306 | p = xdr_encode_hyper(p, args->fl->fl_start); |
34558513 | 1307 | xdr_encode_hyper(p, nfs4_lock_length(args->fl)); |
1da177e4 LT |
1308 | } |
1309 | ||
d3c7b7cc TM |
1310 | static void encode_release_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner, struct compound_hdr *hdr) |
1311 | { | |
ab19b481 | 1312 | encode_op_hdr(xdr, OP_RELEASE_LOCKOWNER, decode_release_lockowner_maxsz, hdr); |
d3c7b7cc | 1313 | encode_lockowner(xdr, lowner); |
d3c7b7cc TM |
1314 | } |
1315 | ||
cf8cdbe5 | 1316 | static void encode_lookup(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1317 | { |
ab19b481 | 1318 | encode_op_hdr(xdr, OP_LOOKUP, decode_lookup_maxsz, hdr); |
6fdfb0bc | 1319 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1320 | } |
1321 | ||
dc0b027d | 1322 | static void encode_share_access(struct xdr_stream *xdr, fmode_t fmode) |
1da177e4 | 1323 | { |
8687b63a | 1324 | __be32 *p; |
1da177e4 | 1325 | |
13c65ce9 | 1326 | p = reserve_space(xdr, 8); |
dc0b027d | 1327 | switch (fmode & (FMODE_READ|FMODE_WRITE)) { |
05d564fe | 1328 | case FMODE_READ: |
e75bc1c8 | 1329 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_READ); |
05d564fe AA |
1330 | break; |
1331 | case FMODE_WRITE: | |
e75bc1c8 | 1332 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_WRITE); |
05d564fe AA |
1333 | break; |
1334 | case FMODE_READ|FMODE_WRITE: | |
e75bc1c8 | 1335 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_BOTH); |
05d564fe AA |
1336 | break; |
1337 | default: | |
e75bc1c8 | 1338 | *p++ = cpu_to_be32(0); |
1da177e4 | 1339 | } |
34558513 | 1340 | *p = cpu_to_be32(0); /* for linux, share_deny = 0 always */ |
1da177e4 LT |
1341 | } |
1342 | ||
1343 | static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1344 | { | |
8687b63a | 1345 | __be32 *p; |
1da177e4 LT |
1346 | /* |
1347 | * opcode 4, seqid 4, share_access 4, share_deny 4, clientid 8, ownerlen 4, | |
1348 | * owner 4 = 32 | |
1349 | */ | |
4ade9821 | 1350 | encode_nfs4_seqid(xdr, arg->seqid); |
dc0b027d | 1351 | encode_share_access(xdr, arg->fmode); |
95b72eb0 | 1352 | p = reserve_space(xdr, 36); |
b95be5a9 | 1353 | p = xdr_encode_hyper(p, arg->clientid); |
95b72eb0 | 1354 | *p++ = cpu_to_be32(24); |
93f0cf25 | 1355 | p = xdr_encode_opaque_fixed(p, "open id:", 8); |
d035c36c | 1356 | *p++ = cpu_to_be32(arg->server->s_dev); |
95b72eb0 TM |
1357 | *p++ = cpu_to_be32(arg->id.uniquifier); |
1358 | xdr_encode_hyper(p, arg->id.create_time); | |
1da177e4 LT |
1359 | } |
1360 | ||
1361 | static inline void encode_createmode(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1362 | { | |
549b19cc | 1363 | struct iattr dummy; |
8687b63a | 1364 | __be32 *p; |
1da177e4 | 1365 | |
13c65ce9 | 1366 | p = reserve_space(xdr, 4); |
549b19cc TM |
1367 | switch(arg->createmode) { |
1368 | case NFS4_CREATE_UNCHECKED: | |
34558513 | 1369 | *p = cpu_to_be32(NFS4_CREATE_UNCHECKED); |
05d564fe AA |
1370 | encode_attrs(xdr, arg->u.attrs, arg->server); |
1371 | break; | |
549b19cc TM |
1372 | case NFS4_CREATE_GUARDED: |
1373 | *p = cpu_to_be32(NFS4_CREATE_GUARDED); | |
1374 | encode_attrs(xdr, arg->u.attrs, arg->server); | |
1375 | break; | |
1376 | case NFS4_CREATE_EXCLUSIVE: | |
1377 | *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE); | |
1378 | encode_nfs4_verifier(xdr, &arg->u.verifier); | |
1379 | break; | |
1380 | case NFS4_CREATE_EXCLUSIVE4_1: | |
1381 | *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE4_1); | |
1382 | encode_nfs4_verifier(xdr, &arg->u.verifier); | |
1383 | dummy.ia_valid = 0; | |
1384 | encode_attrs(xdr, &dummy, arg->server); | |
1da177e4 LT |
1385 | } |
1386 | } | |
1387 | ||
1388 | static void encode_opentype(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1389 | { | |
8687b63a | 1390 | __be32 *p; |
1da177e4 | 1391 | |
13c65ce9 | 1392 | p = reserve_space(xdr, 4); |
1da177e4 | 1393 | switch (arg->open_flags & O_CREAT) { |
05d564fe | 1394 | case 0: |
34558513 | 1395 | *p = cpu_to_be32(NFS4_OPEN_NOCREATE); |
05d564fe AA |
1396 | break; |
1397 | default: | |
34558513 | 1398 | *p = cpu_to_be32(NFS4_OPEN_CREATE); |
05d564fe | 1399 | encode_createmode(xdr, arg); |
1da177e4 LT |
1400 | } |
1401 | } | |
1402 | ||
bd7bf9d5 | 1403 | static inline void encode_delegation_type(struct xdr_stream *xdr, fmode_t delegation_type) |
1da177e4 | 1404 | { |
8687b63a | 1405 | __be32 *p; |
1da177e4 | 1406 | |
13c65ce9 | 1407 | p = reserve_space(xdr, 4); |
1da177e4 | 1408 | switch (delegation_type) { |
05d564fe | 1409 | case 0: |
34558513 | 1410 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_NONE); |
05d564fe AA |
1411 | break; |
1412 | case FMODE_READ: | |
34558513 | 1413 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_READ); |
05d564fe AA |
1414 | break; |
1415 | case FMODE_WRITE|FMODE_READ: | |
34558513 | 1416 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_WRITE); |
05d564fe AA |
1417 | break; |
1418 | default: | |
1419 | BUG(); | |
1da177e4 LT |
1420 | } |
1421 | } | |
1422 | ||
1423 | static inline void encode_claim_null(struct xdr_stream *xdr, const struct qstr *name) | |
1424 | { | |
8687b63a | 1425 | __be32 *p; |
1da177e4 | 1426 | |
13c65ce9 | 1427 | p = reserve_space(xdr, 4); |
34558513 | 1428 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_NULL); |
1da177e4 LT |
1429 | encode_string(xdr, name->len, name->name); |
1430 | } | |
1431 | ||
bd7bf9d5 | 1432 | static inline void encode_claim_previous(struct xdr_stream *xdr, fmode_t type) |
1da177e4 | 1433 | { |
8687b63a | 1434 | __be32 *p; |
1da177e4 | 1435 | |
13c65ce9 | 1436 | p = reserve_space(xdr, 4); |
34558513 | 1437 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_PREVIOUS); |
1da177e4 LT |
1438 | encode_delegation_type(xdr, type); |
1439 | } | |
1440 | ||
1441 | static inline void encode_claim_delegate_cur(struct xdr_stream *xdr, const struct qstr *name, const nfs4_stateid *stateid) | |
1442 | { | |
8687b63a | 1443 | __be32 *p; |
1da177e4 | 1444 | |
ea9d23f5 TM |
1445 | p = reserve_space(xdr, 4); |
1446 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_DELEGATE_CUR); | |
1447 | encode_nfs4_stateid(xdr, stateid); | |
1da177e4 LT |
1448 | encode_string(xdr, name->len, name->name); |
1449 | } | |
1450 | ||
d9fc6619 TM |
1451 | static inline void encode_claim_fh(struct xdr_stream *xdr) |
1452 | { | |
1453 | __be32 *p; | |
1454 | ||
1455 | p = reserve_space(xdr, 4); | |
1456 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_FH); | |
1457 | } | |
1458 | ||
1459 | static inline void encode_claim_delegate_cur_fh(struct xdr_stream *xdr, const nfs4_stateid *stateid) | |
1460 | { | |
1461 | __be32 *p; | |
1462 | ||
1463 | p = reserve_space(xdr, 4); | |
1464 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_DELEG_CUR_FH); | |
1465 | encode_nfs4_stateid(xdr, stateid); | |
1466 | } | |
1467 | ||
cf8cdbe5 | 1468 | static void encode_open(struct xdr_stream *xdr, const struct nfs_openargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1469 | { |
ab19b481 | 1470 | encode_op_hdr(xdr, OP_OPEN, decode_open_maxsz, hdr); |
1da177e4 LT |
1471 | encode_openhdr(xdr, arg); |
1472 | encode_opentype(xdr, arg); | |
1473 | switch (arg->claim) { | |
05d564fe AA |
1474 | case NFS4_OPEN_CLAIM_NULL: |
1475 | encode_claim_null(xdr, arg->name); | |
1476 | break; | |
1477 | case NFS4_OPEN_CLAIM_PREVIOUS: | |
1478 | encode_claim_previous(xdr, arg->u.delegation_type); | |
1479 | break; | |
1480 | case NFS4_OPEN_CLAIM_DELEGATE_CUR: | |
1481 | encode_claim_delegate_cur(xdr, arg->name, &arg->u.delegation); | |
1482 | break; | |
d9fc6619 TM |
1483 | case NFS4_OPEN_CLAIM_FH: |
1484 | encode_claim_fh(xdr); | |
1485 | break; | |
1486 | case NFS4_OPEN_CLAIM_DELEG_CUR_FH: | |
1487 | encode_claim_delegate_cur_fh(xdr, &arg->u.delegation); | |
1488 | break; | |
05d564fe AA |
1489 | default: |
1490 | BUG(); | |
1da177e4 | 1491 | } |
1da177e4 LT |
1492 | } |
1493 | ||
cf8cdbe5 | 1494 | static void encode_open_confirm(struct xdr_stream *xdr, const struct nfs_open_confirmargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1495 | { |
ab19b481 | 1496 | encode_op_hdr(xdr, OP_OPEN_CONFIRM, decode_open_confirm_maxsz, hdr); |
ea9d23f5 | 1497 | encode_nfs4_stateid(xdr, arg->stateid); |
4ade9821 | 1498 | encode_nfs4_seqid(xdr, arg->seqid); |
1da177e4 LT |
1499 | } |
1500 | ||
cf8cdbe5 | 1501 | static void encode_open_downgrade(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1502 | { |
ab19b481 | 1503 | encode_op_hdr(xdr, OP_OPEN_DOWNGRADE, decode_open_downgrade_maxsz, hdr); |
ea9d23f5 | 1504 | encode_nfs4_stateid(xdr, arg->stateid); |
4ade9821 | 1505 | encode_nfs4_seqid(xdr, arg->seqid); |
dc0b027d | 1506 | encode_share_access(xdr, arg->fmode); |
1da177e4 LT |
1507 | } |
1508 | ||
cf8cdbe5 | 1509 | static void |
d017931c | 1510 | encode_putfh(struct xdr_stream *xdr, const struct nfs_fh *fh, struct compound_hdr *hdr) |
1da177e4 | 1511 | { |
ab19b481 | 1512 | encode_op_hdr(xdr, OP_PUTFH, decode_putfh_maxsz, hdr); |
6fdfb0bc | 1513 | encode_string(xdr, fh->size, fh->data); |
1da177e4 LT |
1514 | } |
1515 | ||
cf8cdbe5 | 1516 | static void encode_putrootfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1517 | { |
ab19b481 | 1518 | encode_op_hdr(xdr, OP_PUTROOTFH, decode_putrootfh_maxsz, hdr); |
1da177e4 LT |
1519 | } |
1520 | ||
cf8cdbe5 | 1521 | static void encode_read(struct xdr_stream *xdr, const struct nfs_readargs *args, struct compound_hdr *hdr) |
1da177e4 | 1522 | { |
8687b63a | 1523 | __be32 *p; |
1da177e4 | 1524 | |
ab19b481 | 1525 | encode_op_hdr(xdr, OP_READ, decode_read_maxsz, hdr); |
9b206149 | 1526 | encode_nfs4_stateid(xdr, &args->stateid); |
1da177e4 | 1527 | |
13c65ce9 | 1528 | p = reserve_space(xdr, 12); |
b95be5a9 | 1529 | p = xdr_encode_hyper(p, args->offset); |
34558513 | 1530 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1531 | } |
1532 | ||
cf8cdbe5 | 1533 | static void encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg *readdir, struct rpc_rqst *req, struct compound_hdr *hdr) |
1da177e4 | 1534 | { |
28331a46 TM |
1535 | uint32_t attrs[2] = { |
1536 | FATTR4_WORD0_RDATTR_ERROR, | |
1537 | FATTR4_WORD1_MOUNTED_ON_FILEID, | |
1538 | }; | |
6f7a35bd | 1539 | uint32_t dircount = readdir->count >> 1; |
cd93710e | 1540 | __be32 *p, verf[2]; |
1da177e4 | 1541 | |
82f2e547 BS |
1542 | if (readdir->plus) { |
1543 | attrs[0] |= FATTR4_WORD0_TYPE|FATTR4_WORD0_CHANGE|FATTR4_WORD0_SIZE| | |
28331a46 | 1544 | FATTR4_WORD0_FSID|FATTR4_WORD0_FILEHANDLE|FATTR4_WORD0_FILEID; |
82f2e547 BS |
1545 | attrs[1] |= FATTR4_WORD1_MODE|FATTR4_WORD1_NUMLINKS|FATTR4_WORD1_OWNER| |
1546 | FATTR4_WORD1_OWNER_GROUP|FATTR4_WORD1_RAWDEV| | |
1547 | FATTR4_WORD1_SPACE_USED|FATTR4_WORD1_TIME_ACCESS| | |
1548 | FATTR4_WORD1_TIME_METADATA|FATTR4_WORD1_TIME_MODIFY; | |
6f7a35bd | 1549 | dircount >>= 1; |
82f2e547 | 1550 | } |
28331a46 TM |
1551 | /* Use mounted_on_fileid only if the server supports it */ |
1552 | if (!(readdir->bitmask[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) | |
1553 | attrs[0] |= FATTR4_WORD0_FILEID; | |
82f2e547 | 1554 | |
475d4ba0 | 1555 | encode_op_hdr(xdr, OP_READDIR, decode_readdir_maxsz, hdr); |
ff2eb681 | 1556 | encode_uint64(xdr, readdir->cookie); |
cd93710e CL |
1557 | encode_nfs4_verifier(xdr, &readdir->verifier); |
1558 | p = reserve_space(xdr, 20); | |
6f7a35bd | 1559 | *p++ = cpu_to_be32(dircount); |
e75bc1c8 BH |
1560 | *p++ = cpu_to_be32(readdir->count); |
1561 | *p++ = cpu_to_be32(2); | |
82f2e547 | 1562 | |
e75bc1c8 | 1563 | *p++ = cpu_to_be32(attrs[0] & readdir->bitmask[0]); |
34558513 | 1564 | *p = cpu_to_be32(attrs[1] & readdir->bitmask[1]); |
cd93710e | 1565 | memcpy(verf, readdir->verifier.data, sizeof(verf)); |
44109241 FI |
1566 | dprintk("%s: cookie = %Lu, verifier = %08x:%08x, bitmap = %08x:%08x\n", |
1567 | __func__, | |
eadf4598 | 1568 | (unsigned long long)readdir->cookie, |
cd93710e | 1569 | verf[0], verf[1], |
eadf4598 TM |
1570 | attrs[0] & readdir->bitmask[0], |
1571 | attrs[1] & readdir->bitmask[1]); | |
1da177e4 LT |
1572 | } |
1573 | ||
cf8cdbe5 | 1574 | static void encode_readlink(struct xdr_stream *xdr, const struct nfs4_readlink *readlink, struct rpc_rqst *req, struct compound_hdr *hdr) |
1da177e4 | 1575 | { |
ab19b481 | 1576 | encode_op_hdr(xdr, OP_READLINK, decode_readlink_maxsz, hdr); |
1da177e4 LT |
1577 | } |
1578 | ||
cf8cdbe5 | 1579 | static void encode_remove(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1580 | { |
ab19b481 | 1581 | encode_op_hdr(xdr, OP_REMOVE, decode_remove_maxsz, hdr); |
6fdfb0bc | 1582 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1583 | } |
1584 | ||
cf8cdbe5 | 1585 | static void encode_rename(struct xdr_stream *xdr, const struct qstr *oldname, const struct qstr *newname, struct compound_hdr *hdr) |
1da177e4 | 1586 | { |
ab19b481 | 1587 | encode_op_hdr(xdr, OP_RENAME, decode_rename_maxsz, hdr); |
811652bd BH |
1588 | encode_string(xdr, oldname->len, oldname->name); |
1589 | encode_string(xdr, newname->len, newname->name); | |
1da177e4 LT |
1590 | } |
1591 | ||
bb4dae5e CL |
1592 | static void encode_renew(struct xdr_stream *xdr, clientid4 clid, |
1593 | struct compound_hdr *hdr) | |
1da177e4 | 1594 | { |
475d4ba0 | 1595 | encode_op_hdr(xdr, OP_RENEW, decode_renew_maxsz, hdr); |
ff2eb681 | 1596 | encode_uint64(xdr, clid); |
1da177e4 LT |
1597 | } |
1598 | ||
cf8cdbe5 | 1599 | static void |
d017931c | 1600 | encode_restorefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
56ae19f3 | 1601 | { |
ab19b481 | 1602 | encode_op_hdr(xdr, OP_RESTOREFH, decode_restorefh_maxsz, hdr); |
56ae19f3 TM |
1603 | } |
1604 | ||
9f06c719 | 1605 | static void |
d017931c | 1606 | encode_setacl(struct xdr_stream *xdr, struct nfs_setaclargs *arg, struct compound_hdr *hdr) |
23ec6965 | 1607 | { |
8687b63a | 1608 | __be32 *p; |
23ec6965 | 1609 | |
ab19b481 | 1610 | encode_op_hdr(xdr, OP_SETATTR, decode_setacl_maxsz, hdr); |
ea9d23f5 | 1611 | encode_nfs4_stateid(xdr, &zero_stateid); |
13c65ce9 | 1612 | p = reserve_space(xdr, 2*4); |
e75bc1c8 | 1613 | *p++ = cpu_to_be32(1); |
34558513 | 1614 | *p = cpu_to_be32(FATTR4_WORD0_ACL); |
13c65ce9 | 1615 | p = reserve_space(xdr, 4); |
34558513 | 1616 | *p = cpu_to_be32(arg->acl_len); |
23ec6965 | 1617 | xdr_write_pages(xdr, arg->acl_pages, arg->acl_pgbase, arg->acl_len); |
23ec6965 BF |
1618 | } |
1619 | ||
cf8cdbe5 | 1620 | static void |
d017931c | 1621 | encode_savefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1622 | { |
ab19b481 | 1623 | encode_op_hdr(xdr, OP_SAVEFH, decode_savefh_maxsz, hdr); |
1da177e4 LT |
1624 | } |
1625 | ||
cf8cdbe5 | 1626 | static void encode_setattr(struct xdr_stream *xdr, const struct nfs_setattrargs *arg, const struct nfs_server *server, struct compound_hdr *hdr) |
1da177e4 | 1627 | { |
ab19b481 | 1628 | encode_op_hdr(xdr, OP_SETATTR, decode_setattr_maxsz, hdr); |
ea9d23f5 | 1629 | encode_nfs4_stateid(xdr, &arg->stateid); |
cf8cdbe5 | 1630 | encode_attrs(xdr, arg->iap, server); |
1da177e4 LT |
1631 | } |
1632 | ||
cf8cdbe5 | 1633 | static void encode_setclientid(struct xdr_stream *xdr, const struct nfs4_setclientid *setclientid, struct compound_hdr *hdr) |
1da177e4 | 1634 | { |
8687b63a | 1635 | __be32 *p; |
1da177e4 | 1636 | |
70019514 | 1637 | encode_op_hdr(xdr, OP_SETCLIENTID, decode_setclientid_maxsz, hdr); |
cd93710e | 1638 | encode_nfs4_verifier(xdr, setclientid->sc_verifier); |
1da177e4 LT |
1639 | |
1640 | encode_string(xdr, setclientid->sc_name_len, setclientid->sc_name); | |
13c65ce9 | 1641 | p = reserve_space(xdr, 4); |
34558513 | 1642 | *p = cpu_to_be32(setclientid->sc_prog); |
1da177e4 LT |
1643 | encode_string(xdr, setclientid->sc_netid_len, setclientid->sc_netid); |
1644 | encode_string(xdr, setclientid->sc_uaddr_len, setclientid->sc_uaddr); | |
13c65ce9 | 1645 | p = reserve_space(xdr, 4); |
34558513 | 1646 | *p = cpu_to_be32(setclientid->sc_cb_ident); |
1da177e4 LT |
1647 | } |
1648 | ||
bb8b27e5 | 1649 | static void encode_setclientid_confirm(struct xdr_stream *xdr, const struct nfs4_setclientid_res *arg, struct compound_hdr *hdr) |
1da177e4 | 1650 | { |
475d4ba0 TM |
1651 | encode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM, |
1652 | decode_setclientid_confirm_maxsz, hdr); | |
ff2eb681 | 1653 | encode_uint64(xdr, arg->clientid); |
cd93710e | 1654 | encode_nfs4_verifier(xdr, &arg->confirm); |
1da177e4 LT |
1655 | } |
1656 | ||
cf8cdbe5 | 1657 | static void encode_write(struct xdr_stream *xdr, const struct nfs_writeargs *args, struct compound_hdr *hdr) |
1da177e4 | 1658 | { |
8687b63a | 1659 | __be32 *p; |
1da177e4 | 1660 | |
ab19b481 | 1661 | encode_op_hdr(xdr, OP_WRITE, decode_write_maxsz, hdr); |
9b206149 | 1662 | encode_nfs4_stateid(xdr, &args->stateid); |
1da177e4 | 1663 | |
13c65ce9 | 1664 | p = reserve_space(xdr, 16); |
b95be5a9 | 1665 | p = xdr_encode_hyper(p, args->offset); |
e75bc1c8 | 1666 | *p++ = cpu_to_be32(args->stable); |
34558513 | 1667 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1668 | |
1669 | xdr_write_pages(xdr, args->pages, args->pgbase, args->count); | |
1da177e4 LT |
1670 | } |
1671 | ||
cf8cdbe5 | 1672 | static void encode_delegreturn(struct xdr_stream *xdr, const nfs4_stateid *stateid, struct compound_hdr *hdr) |
1da177e4 | 1673 | { |
ab19b481 | 1674 | encode_op_hdr(xdr, OP_DELEGRETURN, decode_delegreturn_maxsz, hdr); |
ea9d23f5 | 1675 | encode_nfs4_stateid(xdr, stateid); |
1da177e4 | 1676 | } |
9b7b9fcc | 1677 | |
5a5ea0d4 BS |
1678 | static void encode_secinfo(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1679 | { | |
ab19b481 | 1680 | encode_op_hdr(xdr, OP_SECINFO, decode_secinfo_maxsz, hdr); |
6fdfb0bc | 1681 | encode_string(xdr, name->len, name->name); |
5a5ea0d4 BS |
1682 | } |
1683 | ||
99fe60d0 | 1684 | #if defined(CONFIG_NFS_V4_1) |
9b7b9fcc | 1685 | /* NFSv4.1 operations */ |
7c44f1ae WAA |
1686 | static void encode_bind_conn_to_session(struct xdr_stream *xdr, |
1687 | struct nfs4_session *session, | |
1688 | struct compound_hdr *hdr) | |
1689 | { | |
1690 | __be32 *p; | |
1691 | ||
1692 | encode_op_hdr(xdr, OP_BIND_CONN_TO_SESSION, | |
1693 | decode_bind_conn_to_session_maxsz, hdr); | |
1694 | encode_opaque_fixed(xdr, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); | |
1695 | p = xdr_reserve_space(xdr, 8); | |
1696 | *p++ = cpu_to_be32(NFS4_CDFC4_BACK_OR_BOTH); | |
1697 | *p = 0; /* use_conn_in_rdma_mode = False */ | |
1698 | } | |
1699 | ||
99fe60d0 BH |
1700 | static void encode_exchange_id(struct xdr_stream *xdr, |
1701 | struct nfs41_exchange_id_args *args, | |
1702 | struct compound_hdr *hdr) | |
1703 | { | |
1704 | __be32 *p; | |
d751f748 | 1705 | char impl_name[IMPL_NAME_LIMIT]; |
db8ac8ba | 1706 | int len = 0; |
99fe60d0 | 1707 | |
70019514 | 1708 | encode_op_hdr(xdr, OP_EXCHANGE_ID, decode_exchange_id_maxsz, hdr); |
cd93710e | 1709 | encode_nfs4_verifier(xdr, args->verifier); |
99fe60d0 BH |
1710 | |
1711 | encode_string(xdr, args->id_len, args->id); | |
1712 | ||
13c65ce9 | 1713 | p = reserve_space(xdr, 12); |
e75bc1c8 BH |
1714 | *p++ = cpu_to_be32(args->flags); |
1715 | *p++ = cpu_to_be32(0); /* zero length state_protect4_a */ | |
db8ac8ba WAA |
1716 | |
1717 | if (send_implementation_id && | |
1718 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) > 1 && | |
1719 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) | |
d751f748 | 1720 | <= sizeof(impl_name) + 1) |
db8ac8ba WAA |
1721 | len = snprintf(impl_name, sizeof(impl_name), "%s %s %s %s", |
1722 | utsname()->sysname, utsname()->release, | |
1723 | utsname()->version, utsname()->machine); | |
1724 | ||
1725 | if (len > 0) { | |
1726 | *p = cpu_to_be32(1); /* implementation id array length=1 */ | |
1727 | ||
1728 | encode_string(xdr, | |
1729 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) - 1, | |
1730 | CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN); | |
1731 | encode_string(xdr, len, impl_name); | |
1732 | /* just send zeros for nii_date - the date is in nii_name */ | |
1733 | p = reserve_space(xdr, 12); | |
1734 | p = xdr_encode_hyper(p, 0); | |
1735 | *p = cpu_to_be32(0); | |
1736 | } else | |
1737 | *p = cpu_to_be32(0); /* implementation id array length=0 */ | |
99fe60d0 | 1738 | } |
fc931582 AA |
1739 | |
1740 | static void encode_create_session(struct xdr_stream *xdr, | |
1741 | struct nfs41_create_session_args *args, | |
1742 | struct compound_hdr *hdr) | |
1743 | { | |
1744 | __be32 *p; | |
1745 | char machine_name[NFS4_MAX_MACHINE_NAME_LEN]; | |
1746 | uint32_t len; | |
1747 | struct nfs_client *clp = args->client; | |
f092075d | 1748 | struct nfs_net *nn = net_generic(clp->cl_net, nfs_net_id); |
8e0d46e1 MS |
1749 | u32 max_resp_sz_cached; |
1750 | ||
1751 | /* | |
1752 | * Assumes OPEN is the biggest non-idempotent compound. | |
1753 | * 2 is the verifier. | |
1754 | */ | |
1755 | max_resp_sz_cached = (NFS4_dec_open_sz + RPC_REPHDRSIZE + | |
1756 | RPC_MAX_AUTH_SIZE + 2) * XDR_UNIT; | |
fc931582 | 1757 | |
42edd698 BH |
1758 | len = scnprintf(machine_name, sizeof(machine_name), "%s", |
1759 | clp->cl_ipaddr); | |
fc931582 | 1760 | |
475d4ba0 TM |
1761 | encode_op_hdr(xdr, OP_CREATE_SESSION, decode_create_session_maxsz, hdr); |
1762 | p = reserve_space(xdr, 16 + 2*28 + 20 + len + 12); | |
114f64b5 | 1763 | p = xdr_encode_hyper(p, clp->cl_clientid); |
e75bc1c8 BH |
1764 | *p++ = cpu_to_be32(clp->cl_seqid); /*Sequence id */ |
1765 | *p++ = cpu_to_be32(args->flags); /*flags */ | |
fc931582 | 1766 | |
fc931582 | 1767 | /* Fore Channel */ |
c9c30dd5 | 1768 | *p++ = cpu_to_be32(0); /* header padding size */ |
e75bc1c8 BH |
1769 | *p++ = cpu_to_be32(args->fc_attrs.max_rqst_sz); /* max req size */ |
1770 | *p++ = cpu_to_be32(args->fc_attrs.max_resp_sz); /* max resp size */ | |
8e0d46e1 | 1771 | *p++ = cpu_to_be32(max_resp_sz_cached); /* Max resp sz cached */ |
e75bc1c8 BH |
1772 | *p++ = cpu_to_be32(args->fc_attrs.max_ops); /* max operations */ |
1773 | *p++ = cpu_to_be32(args->fc_attrs.max_reqs); /* max requests */ | |
1774 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ | |
fc931582 AA |
1775 | |
1776 | /* Back Channel */ | |
c9c30dd5 | 1777 | *p++ = cpu_to_be32(0); /* header padding size */ |
e75bc1c8 BH |
1778 | *p++ = cpu_to_be32(args->bc_attrs.max_rqst_sz); /* max req size */ |
1779 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz); /* max resp size */ | |
1780 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz_cached); /* Max resp sz cached */ | |
1781 | *p++ = cpu_to_be32(args->bc_attrs.max_ops); /* max operations */ | |
1782 | *p++ = cpu_to_be32(args->bc_attrs.max_reqs); /* max requests */ | |
1783 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ | |
fc931582 | 1784 | |
e75bc1c8 | 1785 | *p++ = cpu_to_be32(args->cb_program); /* cb_program */ |
e75bc1c8 | 1786 | *p++ = cpu_to_be32(1); |
e75bc1c8 | 1787 | *p++ = cpu_to_be32(RPC_AUTH_UNIX); /* auth_sys */ |
fc931582 AA |
1788 | |
1789 | /* authsys_parms rfc1831 */ | |
f092075d | 1790 | *p++ = (__be32)nn->boot_time.tv_nsec; /* stamp */ |
811652bd | 1791 | p = xdr_encode_opaque(p, machine_name, len); |
e75bc1c8 BH |
1792 | *p++ = cpu_to_be32(0); /* UID */ |
1793 | *p++ = cpu_to_be32(0); /* GID */ | |
34558513 | 1794 | *p = cpu_to_be32(0); /* No more gids */ |
fc931582 | 1795 | } |
0f3e66c6 AA |
1796 | |
1797 | static void encode_destroy_session(struct xdr_stream *xdr, | |
1798 | struct nfs4_session *session, | |
1799 | struct compound_hdr *hdr) | |
1800 | { | |
475d4ba0 TM |
1801 | encode_op_hdr(xdr, OP_DESTROY_SESSION, decode_destroy_session_maxsz, hdr); |
1802 | encode_opaque_fixed(xdr, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); | |
0f3e66c6 | 1803 | } |
18019753 | 1804 | |
66245539 TM |
1805 | static void encode_destroy_clientid(struct xdr_stream *xdr, |
1806 | uint64_t clientid, | |
1807 | struct compound_hdr *hdr) | |
1808 | { | |
1809 | encode_op_hdr(xdr, OP_DESTROY_CLIENTID, decode_destroy_clientid_maxsz, hdr); | |
1810 | encode_uint64(xdr, clientid); | |
1811 | } | |
1812 | ||
18019753 RL |
1813 | static void encode_reclaim_complete(struct xdr_stream *xdr, |
1814 | struct nfs41_reclaim_complete_args *args, | |
1815 | struct compound_hdr *hdr) | |
1816 | { | |
475d4ba0 TM |
1817 | encode_op_hdr(xdr, OP_RECLAIM_COMPLETE, decode_reclaim_complete_maxsz, hdr); |
1818 | encode_uint32(xdr, args->one_fs); | |
18019753 | 1819 | } |
99fe60d0 BH |
1820 | #endif /* CONFIG_NFS_V4_1 */ |
1821 | ||
9b7b9fcc AA |
1822 | static void encode_sequence(struct xdr_stream *xdr, |
1823 | const struct nfs4_sequence_args *args, | |
1824 | struct compound_hdr *hdr) | |
1825 | { | |
1826 | #if defined(CONFIG_NFS_V4_1) | |
2b2fa717 | 1827 | struct nfs4_session *session; |
fc01cea9 | 1828 | struct nfs4_slot_table *tp; |
2b2fa717 | 1829 | struct nfs4_slot *slot = args->sa_slot; |
fc01cea9 | 1830 | __be32 *p; |
9b7b9fcc | 1831 | |
2b2fa717 | 1832 | if (slot == NULL) |
9b7b9fcc AA |
1833 | return; |
1834 | ||
2b2fa717 TM |
1835 | tp = slot->table; |
1836 | session = tp->session; | |
fc01cea9 | 1837 | |
475d4ba0 | 1838 | encode_op_hdr(xdr, OP_SEQUENCE, decode_sequence_maxsz, hdr); |
fc01cea9 AA |
1839 | |
1840 | /* | |
1841 | * Sessionid + seqid + slotid + max slotid + cache_this | |
1842 | */ | |
1843 | dprintk("%s: sessionid=%u:%u:%u:%u seqid=%d slotid=%d " | |
1844 | "max_slotid=%d cache_this=%d\n", | |
1845 | __func__, | |
1846 | ((u32 *)session->sess_id.data)[0], | |
1847 | ((u32 *)session->sess_id.data)[1], | |
1848 | ((u32 *)session->sess_id.data)[2], | |
1849 | ((u32 *)session->sess_id.data)[3], | |
2b2fa717 | 1850 | slot->seq_nr, slot->slot_nr, |
fc01cea9 | 1851 | tp->highest_used_slotid, args->sa_cache_this); |
475d4ba0 | 1852 | p = reserve_space(xdr, NFS4_MAX_SESSIONID_LEN + 16); |
93f0cf25 | 1853 | p = xdr_encode_opaque_fixed(p, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); |
e75bc1c8 | 1854 | *p++ = cpu_to_be32(slot->seq_nr); |
2b2fa717 | 1855 | *p++ = cpu_to_be32(slot->slot_nr); |
e75bc1c8 | 1856 | *p++ = cpu_to_be32(tp->highest_used_slotid); |
34558513 | 1857 | *p = cpu_to_be32(args->sa_cache_this); |
9b7b9fcc AA |
1858 | #endif /* CONFIG_NFS_V4_1 */ |
1859 | } | |
1860 | ||
b1f69b75 | 1861 | #ifdef CONFIG_NFS_V4_1 |
7f11d8d3 AA |
1862 | static void |
1863 | encode_getdevicelist(struct xdr_stream *xdr, | |
1864 | const struct nfs4_getdevicelist_args *args, | |
1865 | struct compound_hdr *hdr) | |
1866 | { | |
1867 | __be32 *p; | |
1868 | nfs4_verifier dummy = { | |
1869 | .data = "dummmmmy", | |
1870 | }; | |
1871 | ||
475d4ba0 TM |
1872 | encode_op_hdr(xdr, OP_GETDEVICELIST, decode_getdevicelist_maxsz, hdr); |
1873 | p = reserve_space(xdr, 16); | |
7f11d8d3 AA |
1874 | *p++ = cpu_to_be32(args->layoutclass); |
1875 | *p++ = cpu_to_be32(NFS4_PNFS_GETDEVLIST_MAXNUM); | |
1876 | xdr_encode_hyper(p, 0ULL); /* cookie */ | |
1877 | encode_nfs4_verifier(xdr, &dummy); | |
7f11d8d3 AA |
1878 | } |
1879 | ||
b1f69b75 AA |
1880 | static void |
1881 | encode_getdeviceinfo(struct xdr_stream *xdr, | |
1882 | const struct nfs4_getdeviceinfo_args *args, | |
1883 | struct compound_hdr *hdr) | |
1884 | { | |
1885 | __be32 *p; | |
1886 | ||
475d4ba0 TM |
1887 | encode_op_hdr(xdr, OP_GETDEVICEINFO, decode_getdeviceinfo_maxsz, hdr); |
1888 | p = reserve_space(xdr, 12 + NFS4_DEVICEID4_SIZE); | |
b1f69b75 AA |
1889 | p = xdr_encode_opaque_fixed(p, args->pdev->dev_id.data, |
1890 | NFS4_DEVICEID4_SIZE); | |
1891 | *p++ = cpu_to_be32(args->pdev->layout_type); | |
1892 | *p++ = cpu_to_be32(args->pdev->pglen); /* gdia_maxcount */ | |
1893 | *p++ = cpu_to_be32(0); /* bitmap length 0 */ | |
b1f69b75 AA |
1894 | } |
1895 | ||
1896 | static void | |
1897 | encode_layoutget(struct xdr_stream *xdr, | |
1898 | const struct nfs4_layoutget_args *args, | |
1899 | struct compound_hdr *hdr) | |
1900 | { | |
b1f69b75 AA |
1901 | __be32 *p; |
1902 | ||
475d4ba0 TM |
1903 | encode_op_hdr(xdr, OP_LAYOUTGET, decode_layoutget_maxsz, hdr); |
1904 | p = reserve_space(xdr, 36); | |
b1f69b75 AA |
1905 | *p++ = cpu_to_be32(0); /* Signal layout available */ |
1906 | *p++ = cpu_to_be32(args->type); | |
1907 | *p++ = cpu_to_be32(args->range.iomode); | |
1908 | p = xdr_encode_hyper(p, args->range.offset); | |
1909 | p = xdr_encode_hyper(p, args->range.length); | |
1910 | p = xdr_encode_hyper(p, args->minlength); | |
ea9d23f5 | 1911 | encode_nfs4_stateid(xdr, &args->stateid); |
475d4ba0 | 1912 | encode_uint32(xdr, args->maxcount); |
b1f69b75 AA |
1913 | |
1914 | dprintk("%s: 1st type:0x%x iomode:%d off:%lu len:%lu mc:%d\n", | |
1915 | __func__, | |
1916 | args->type, | |
1917 | args->range.iomode, | |
1918 | (unsigned long)args->range.offset, | |
1919 | (unsigned long)args->range.length, | |
1920 | args->maxcount); | |
b1f69b75 | 1921 | } |
863a3c6c AA |
1922 | |
1923 | static int | |
1924 | encode_layoutcommit(struct xdr_stream *xdr, | |
ac7db726 | 1925 | struct inode *inode, |
863a3c6c AA |
1926 | const struct nfs4_layoutcommit_args *args, |
1927 | struct compound_hdr *hdr) | |
1928 | { | |
1929 | __be32 *p; | |
1930 | ||
1931 | dprintk("%s: lbw: %llu type: %d\n", __func__, args->lastbytewritten, | |
1932 | NFS_SERVER(args->inode)->pnfs_curr_ld->id); | |
1933 | ||
475d4ba0 TM |
1934 | encode_op_hdr(xdr, OP_LAYOUTCOMMIT, decode_layoutcommit_maxsz, hdr); |
1935 | p = reserve_space(xdr, 20); | |
863a3c6c AA |
1936 | /* Only whole file layouts */ |
1937 | p = xdr_encode_hyper(p, 0); /* offset */ | |
3557c6c3 | 1938 | p = xdr_encode_hyper(p, args->lastbytewritten + 1); /* length */ |
ea9d23f5 TM |
1939 | *p = cpu_to_be32(0); /* reclaim */ |
1940 | encode_nfs4_stateid(xdr, &args->stateid); | |
1941 | p = reserve_space(xdr, 20); | |
863a3c6c AA |
1942 | *p++ = cpu_to_be32(1); /* newoffset = TRUE */ |
1943 | p = xdr_encode_hyper(p, args->lastbytewritten); | |
1944 | *p++ = cpu_to_be32(0); /* Never send time_modify_changed */ | |
1945 | *p++ = cpu_to_be32(NFS_SERVER(args->inode)->pnfs_curr_ld->id);/* type */ | |
ac7db726 BH |
1946 | |
1947 | if (NFS_SERVER(inode)->pnfs_curr_ld->encode_layoutcommit) | |
1948 | NFS_SERVER(inode)->pnfs_curr_ld->encode_layoutcommit( | |
1949 | NFS_I(inode)->layout, xdr, args); | |
475d4ba0 TM |
1950 | else |
1951 | encode_uint32(xdr, 0); /* no layout-type payload */ | |
863a3c6c | 1952 | |
863a3c6c AA |
1953 | return 0; |
1954 | } | |
cbe82603 BH |
1955 | |
1956 | static void | |
1957 | encode_layoutreturn(struct xdr_stream *xdr, | |
1958 | const struct nfs4_layoutreturn_args *args, | |
1959 | struct compound_hdr *hdr) | |
1960 | { | |
1961 | __be32 *p; | |
1962 | ||
475d4ba0 TM |
1963 | encode_op_hdr(xdr, OP_LAYOUTRETURN, decode_layoutreturn_maxsz, hdr); |
1964 | p = reserve_space(xdr, 16); | |
cbe82603 BH |
1965 | *p++ = cpu_to_be32(0); /* reclaim. always 0 for now */ |
1966 | *p++ = cpu_to_be32(args->layout_type); | |
1967 | *p++ = cpu_to_be32(IOMODE_ANY); | |
1968 | *p = cpu_to_be32(RETURN_FILE); | |
ea9d23f5 | 1969 | p = reserve_space(xdr, 16); |
cbe82603 BH |
1970 | p = xdr_encode_hyper(p, 0); |
1971 | p = xdr_encode_hyper(p, NFS4_MAX_UINT64); | |
1972 | spin_lock(&args->inode->i_lock); | |
ea9d23f5 | 1973 | encode_nfs4_stateid(xdr, &args->stateid); |
cbe82603 | 1974 | spin_unlock(&args->inode->i_lock); |
04a55549 AA |
1975 | if (NFS_SERVER(args->inode)->pnfs_curr_ld->encode_layoutreturn) { |
1976 | NFS_SERVER(args->inode)->pnfs_curr_ld->encode_layoutreturn( | |
1977 | NFS_I(args->inode)->layout, xdr, args); | |
475d4ba0 TM |
1978 | } else |
1979 | encode_uint32(xdr, 0); | |
cbe82603 | 1980 | } |
fca78d6d BS |
1981 | |
1982 | static int | |
1983 | encode_secinfo_no_name(struct xdr_stream *xdr, | |
1984 | const struct nfs41_secinfo_no_name_args *args, | |
1985 | struct compound_hdr *hdr) | |
1986 | { | |
475d4ba0 TM |
1987 | encode_op_hdr(xdr, OP_SECINFO_NO_NAME, decode_secinfo_no_name_maxsz, hdr); |
1988 | encode_uint32(xdr, args->style); | |
fca78d6d BS |
1989 | return 0; |
1990 | } | |
7d974794 BS |
1991 | |
1992 | static void encode_test_stateid(struct xdr_stream *xdr, | |
1993 | struct nfs41_test_stateid_args *args, | |
1994 | struct compound_hdr *hdr) | |
1995 | { | |
475d4ba0 TM |
1996 | encode_op_hdr(xdr, OP_TEST_STATEID, decode_test_stateid_maxsz, hdr); |
1997 | encode_uint32(xdr, 1); | |
ea9d23f5 | 1998 | encode_nfs4_stateid(xdr, args->stateid); |
7d974794 | 1999 | } |
9aeda35f BS |
2000 | |
2001 | static void encode_free_stateid(struct xdr_stream *xdr, | |
2002 | struct nfs41_free_stateid_args *args, | |
2003 | struct compound_hdr *hdr) | |
2004 | { | |
ab19b481 | 2005 | encode_op_hdr(xdr, OP_FREE_STATEID, decode_free_stateid_maxsz, hdr); |
7c1d5fae | 2006 | encode_nfs4_stateid(xdr, &args->stateid); |
9aeda35f | 2007 | } |
b1f69b75 AA |
2008 | #endif /* CONFIG_NFS_V4_1 */ |
2009 | ||
1da177e4 LT |
2010 | /* |
2011 | * END OF "GENERIC" ENCODE ROUTINES. | |
2012 | */ | |
2013 | ||
66cc0429 BH |
2014 | static u32 nfs4_xdr_minorversion(const struct nfs4_sequence_args *args) |
2015 | { | |
2016 | #if defined(CONFIG_NFS_V4_1) | |
2b2fa717 TM |
2017 | |
2018 | if (args->sa_slot) | |
2019 | return args->sa_slot->table->session->clp->cl_mvops->minor_version; | |
66cc0429 BH |
2020 | #endif /* CONFIG_NFS_V4_1 */ |
2021 | return 0; | |
2022 | } | |
2023 | ||
1da177e4 LT |
2024 | /* |
2025 | * Encode an ACCESS request | |
2026 | */ | |
9f06c719 CL |
2027 | static void nfs4_xdr_enc_access(struct rpc_rqst *req, struct xdr_stream *xdr, |
2028 | const struct nfs4_accessargs *args) | |
1da177e4 | 2029 | { |
1da177e4 | 2030 | struct compound_hdr hdr = { |
66cc0429 | 2031 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2032 | }; |
1da177e4 | 2033 | |
9f06c719 CL |
2034 | encode_compound_hdr(xdr, req, &hdr); |
2035 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2036 | encode_putfh(xdr, args->fh, &hdr); | |
2037 | encode_access(xdr, args->access, &hdr); | |
2038 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2039 | encode_nops(&hdr); |
1da177e4 LT |
2040 | } |
2041 | ||
2042 | /* | |
2043 | * Encode LOOKUP request | |
2044 | */ | |
9f06c719 CL |
2045 | static void nfs4_xdr_enc_lookup(struct rpc_rqst *req, struct xdr_stream *xdr, |
2046 | const struct nfs4_lookup_arg *args) | |
1da177e4 | 2047 | { |
1da177e4 | 2048 | struct compound_hdr hdr = { |
66cc0429 | 2049 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2050 | }; |
1da177e4 | 2051 | |
9f06c719 CL |
2052 | encode_compound_hdr(xdr, req, &hdr); |
2053 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2054 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2055 | encode_lookup(xdr, args->name, &hdr); | |
2056 | encode_getfh(xdr, &hdr); | |
2057 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2058 | encode_nops(&hdr); |
1da177e4 LT |
2059 | } |
2060 | ||
2061 | /* | |
2062 | * Encode LOOKUP_ROOT request | |
2063 | */ | |
9f06c719 CL |
2064 | static void nfs4_xdr_enc_lookup_root(struct rpc_rqst *req, |
2065 | struct xdr_stream *xdr, | |
2066 | const struct nfs4_lookup_root_arg *args) | |
1da177e4 | 2067 | { |
1da177e4 | 2068 | struct compound_hdr hdr = { |
66cc0429 | 2069 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2070 | }; |
1da177e4 | 2071 | |
9f06c719 CL |
2072 | encode_compound_hdr(xdr, req, &hdr); |
2073 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2074 | encode_putrootfh(xdr, &hdr); | |
2075 | encode_getfh(xdr, &hdr); | |
2076 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2077 | encode_nops(&hdr); |
1da177e4 LT |
2078 | } |
2079 | ||
2080 | /* | |
2081 | * Encode REMOVE request | |
2082 | */ | |
9f06c719 CL |
2083 | static void nfs4_xdr_enc_remove(struct rpc_rqst *req, struct xdr_stream *xdr, |
2084 | const struct nfs_removeargs *args) | |
1da177e4 | 2085 | { |
1da177e4 | 2086 | struct compound_hdr hdr = { |
66cc0429 | 2087 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2088 | }; |
1da177e4 | 2089 | |
9f06c719 CL |
2090 | encode_compound_hdr(xdr, req, &hdr); |
2091 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2092 | encode_putfh(xdr, args->fh, &hdr); | |
2093 | encode_remove(xdr, &args->name, &hdr); | |
d017931c | 2094 | encode_nops(&hdr); |
1da177e4 LT |
2095 | } |
2096 | ||
2097 | /* | |
2098 | * Encode RENAME request | |
2099 | */ | |
9f06c719 CL |
2100 | static void nfs4_xdr_enc_rename(struct rpc_rqst *req, struct xdr_stream *xdr, |
2101 | const struct nfs_renameargs *args) | |
1da177e4 | 2102 | { |
1da177e4 | 2103 | struct compound_hdr hdr = { |
66cc0429 | 2104 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2105 | }; |
1da177e4 | 2106 | |
9f06c719 CL |
2107 | encode_compound_hdr(xdr, req, &hdr); |
2108 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2109 | encode_putfh(xdr, args->old_dir, &hdr); | |
2110 | encode_savefh(xdr, &hdr); | |
2111 | encode_putfh(xdr, args->new_dir, &hdr); | |
2112 | encode_rename(xdr, args->old_name, args->new_name, &hdr); | |
d017931c | 2113 | encode_nops(&hdr); |
1da177e4 LT |
2114 | } |
2115 | ||
2116 | /* | |
2117 | * Encode LINK request | |
2118 | */ | |
9f06c719 CL |
2119 | static void nfs4_xdr_enc_link(struct rpc_rqst *req, struct xdr_stream *xdr, |
2120 | const struct nfs4_link_arg *args) | |
1da177e4 | 2121 | { |
1da177e4 | 2122 | struct compound_hdr hdr = { |
66cc0429 | 2123 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2124 | }; |
1da177e4 | 2125 | |
9f06c719 CL |
2126 | encode_compound_hdr(xdr, req, &hdr); |
2127 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2128 | encode_putfh(xdr, args->fh, &hdr); | |
2129 | encode_savefh(xdr, &hdr); | |
2130 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2131 | encode_link(xdr, args->name, &hdr); | |
9f06c719 CL |
2132 | encode_restorefh(xdr, &hdr); |
2133 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2134 | encode_nops(&hdr); |
1da177e4 LT |
2135 | } |
2136 | ||
2137 | /* | |
2138 | * Encode CREATE request | |
2139 | */ | |
9f06c719 CL |
2140 | static void nfs4_xdr_enc_create(struct rpc_rqst *req, struct xdr_stream *xdr, |
2141 | const struct nfs4_create_arg *args) | |
1da177e4 | 2142 | { |
1da177e4 | 2143 | struct compound_hdr hdr = { |
66cc0429 | 2144 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2145 | }; |
1da177e4 | 2146 | |
9f06c719 CL |
2147 | encode_compound_hdr(xdr, req, &hdr); |
2148 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2149 | encode_putfh(xdr, args->dir_fh, &hdr); | |
9f06c719 CL |
2150 | encode_create(xdr, args, &hdr); |
2151 | encode_getfh(xdr, &hdr); | |
2152 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2153 | encode_nops(&hdr); |
1da177e4 LT |
2154 | } |
2155 | ||
2156 | /* | |
2157 | * Encode SYMLINK request | |
2158 | */ | |
9f06c719 CL |
2159 | static void nfs4_xdr_enc_symlink(struct rpc_rqst *req, struct xdr_stream *xdr, |
2160 | const struct nfs4_create_arg *args) | |
1da177e4 | 2161 | { |
9f06c719 | 2162 | nfs4_xdr_enc_create(req, xdr, args); |
1da177e4 LT |
2163 | } |
2164 | ||
2165 | /* | |
2166 | * Encode GETATTR request | |
2167 | */ | |
9f06c719 CL |
2168 | static void nfs4_xdr_enc_getattr(struct rpc_rqst *req, struct xdr_stream *xdr, |
2169 | const struct nfs4_getattr_arg *args) | |
1da177e4 | 2170 | { |
1da177e4 | 2171 | struct compound_hdr hdr = { |
66cc0429 | 2172 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2173 | }; |
1da177e4 | 2174 | |
9f06c719 CL |
2175 | encode_compound_hdr(xdr, req, &hdr); |
2176 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2177 | encode_putfh(xdr, args->fh, &hdr); | |
2178 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2179 | encode_nops(&hdr); |
1da177e4 LT |
2180 | } |
2181 | ||
2182 | /* | |
2183 | * Encode a CLOSE request | |
2184 | */ | |
9f06c719 CL |
2185 | static void nfs4_xdr_enc_close(struct rpc_rqst *req, struct xdr_stream *xdr, |
2186 | struct nfs_closeargs *args) | |
1da177e4 | 2187 | { |
05d564fe | 2188 | struct compound_hdr hdr = { |
66cc0429 | 2189 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 2190 | }; |
05d564fe | 2191 | |
9f06c719 CL |
2192 | encode_compound_hdr(xdr, req, &hdr); |
2193 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2194 | encode_putfh(xdr, args->fh, &hdr); | |
2195 | encode_close(xdr, args, &hdr); | |
2196 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2197 | encode_nops(&hdr); |
1da177e4 LT |
2198 | } |
2199 | ||
2200 | /* | |
2201 | * Encode an OPEN request | |
2202 | */ | |
9f06c719 CL |
2203 | static void nfs4_xdr_enc_open(struct rpc_rqst *req, struct xdr_stream *xdr, |
2204 | struct nfs_openargs *args) | |
1da177e4 | 2205 | { |
1da177e4 | 2206 | struct compound_hdr hdr = { |
66cc0429 | 2207 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2208 | }; |
1da177e4 | 2209 | |
9f06c719 CL |
2210 | encode_compound_hdr(xdr, req, &hdr); |
2211 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2212 | encode_putfh(xdr, args->fh, &hdr); | |
9f06c719 CL |
2213 | encode_open(xdr, args, &hdr); |
2214 | encode_getfh(xdr, &hdr); | |
ae2bb032 WAA |
2215 | if (args->access) |
2216 | encode_access(xdr, args->access, &hdr); | |
1549210f | 2217 | encode_getfattr_open(xdr, args->bitmask, args->open_bitmap, &hdr); |
d017931c | 2218 | encode_nops(&hdr); |
1da177e4 LT |
2219 | } |
2220 | ||
2221 | /* | |
2222 | * Encode an OPEN_CONFIRM request | |
2223 | */ | |
9f06c719 CL |
2224 | static void nfs4_xdr_enc_open_confirm(struct rpc_rqst *req, |
2225 | struct xdr_stream *xdr, | |
2226 | struct nfs_open_confirmargs *args) | |
1da177e4 | 2227 | { |
1da177e4 | 2228 | struct compound_hdr hdr = { |
d017931c | 2229 | .nops = 0, |
1da177e4 | 2230 | }; |
1da177e4 | 2231 | |
9f06c719 CL |
2232 | encode_compound_hdr(xdr, req, &hdr); |
2233 | encode_putfh(xdr, args->fh, &hdr); | |
2234 | encode_open_confirm(xdr, args, &hdr); | |
d017931c | 2235 | encode_nops(&hdr); |
1da177e4 LT |
2236 | } |
2237 | ||
2238 | /* | |
2239 | * Encode an OPEN request with no attributes. | |
2240 | */ | |
9f06c719 CL |
2241 | static void nfs4_xdr_enc_open_noattr(struct rpc_rqst *req, |
2242 | struct xdr_stream *xdr, | |
2243 | struct nfs_openargs *args) | |
1da177e4 | 2244 | { |
1da177e4 | 2245 | struct compound_hdr hdr = { |
66cc0429 | 2246 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2247 | }; |
1da177e4 | 2248 | |
9f06c719 CL |
2249 | encode_compound_hdr(xdr, req, &hdr); |
2250 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2251 | encode_putfh(xdr, args->fh, &hdr); | |
2252 | encode_open(xdr, args, &hdr); | |
ae2bb032 WAA |
2253 | if (args->access) |
2254 | encode_access(xdr, args->access, &hdr); | |
e23008ec | 2255 | encode_getfattr_open(xdr, args->bitmask, args->open_bitmap, &hdr); |
d017931c | 2256 | encode_nops(&hdr); |
1da177e4 LT |
2257 | } |
2258 | ||
2259 | /* | |
2260 | * Encode an OPEN_DOWNGRADE request | |
2261 | */ | |
9f06c719 CL |
2262 | static void nfs4_xdr_enc_open_downgrade(struct rpc_rqst *req, |
2263 | struct xdr_stream *xdr, | |
2264 | struct nfs_closeargs *args) | |
1da177e4 | 2265 | { |
1da177e4 | 2266 | struct compound_hdr hdr = { |
66cc0429 | 2267 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2268 | }; |
1da177e4 | 2269 | |
9f06c719 CL |
2270 | encode_compound_hdr(xdr, req, &hdr); |
2271 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2272 | encode_putfh(xdr, args->fh, &hdr); | |
2273 | encode_open_downgrade(xdr, args, &hdr); | |
2274 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2275 | encode_nops(&hdr); |
1da177e4 LT |
2276 | } |
2277 | ||
2278 | /* | |
2279 | * Encode a LOCK request | |
2280 | */ | |
9f06c719 CL |
2281 | static void nfs4_xdr_enc_lock(struct rpc_rqst *req, struct xdr_stream *xdr, |
2282 | struct nfs_lock_args *args) | |
1da177e4 | 2283 | { |
1da177e4 | 2284 | struct compound_hdr hdr = { |
66cc0429 | 2285 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2286 | }; |
1da177e4 | 2287 | |
9f06c719 CL |
2288 | encode_compound_hdr(xdr, req, &hdr); |
2289 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2290 | encode_putfh(xdr, args->fh, &hdr); | |
2291 | encode_lock(xdr, args, &hdr); | |
d017931c | 2292 | encode_nops(&hdr); |
1da177e4 LT |
2293 | } |
2294 | ||
2295 | /* | |
2296 | * Encode a LOCKT request | |
2297 | */ | |
9f06c719 CL |
2298 | static void nfs4_xdr_enc_lockt(struct rpc_rqst *req, struct xdr_stream *xdr, |
2299 | struct nfs_lockt_args *args) | |
1da177e4 | 2300 | { |
1da177e4 | 2301 | struct compound_hdr hdr = { |
66cc0429 | 2302 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2303 | }; |
1da177e4 | 2304 | |
9f06c719 CL |
2305 | encode_compound_hdr(xdr, req, &hdr); |
2306 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2307 | encode_putfh(xdr, args->fh, &hdr); | |
2308 | encode_lockt(xdr, args, &hdr); | |
d017931c | 2309 | encode_nops(&hdr); |
1da177e4 LT |
2310 | } |
2311 | ||
2312 | /* | |
2313 | * Encode a LOCKU request | |
2314 | */ | |
9f06c719 CL |
2315 | static void nfs4_xdr_enc_locku(struct rpc_rqst *req, struct xdr_stream *xdr, |
2316 | struct nfs_locku_args *args) | |
1da177e4 | 2317 | { |
1da177e4 | 2318 | struct compound_hdr hdr = { |
66cc0429 | 2319 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2320 | }; |
1da177e4 | 2321 | |
9f06c719 CL |
2322 | encode_compound_hdr(xdr, req, &hdr); |
2323 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2324 | encode_putfh(xdr, args->fh, &hdr); | |
2325 | encode_locku(xdr, args, &hdr); | |
d017931c | 2326 | encode_nops(&hdr); |
1da177e4 LT |
2327 | } |
2328 | ||
9f06c719 CL |
2329 | static void nfs4_xdr_enc_release_lockowner(struct rpc_rqst *req, |
2330 | struct xdr_stream *xdr, | |
2331 | struct nfs_release_lockowner_args *args) | |
d3c7b7cc | 2332 | { |
d3c7b7cc TM |
2333 | struct compound_hdr hdr = { |
2334 | .minorversion = 0, | |
2335 | }; | |
2336 | ||
9f06c719 CL |
2337 | encode_compound_hdr(xdr, req, &hdr); |
2338 | encode_release_lockowner(xdr, &args->lock_owner, &hdr); | |
d3c7b7cc | 2339 | encode_nops(&hdr); |
d3c7b7cc TM |
2340 | } |
2341 | ||
1da177e4 LT |
2342 | /* |
2343 | * Encode a READLINK request | |
2344 | */ | |
9f06c719 CL |
2345 | static void nfs4_xdr_enc_readlink(struct rpc_rqst *req, struct xdr_stream *xdr, |
2346 | const struct nfs4_readlink *args) | |
1da177e4 | 2347 | { |
1da177e4 | 2348 | struct compound_hdr hdr = { |
66cc0429 | 2349 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2350 | }; |
1da177e4 | 2351 | |
9f06c719 CL |
2352 | encode_compound_hdr(xdr, req, &hdr); |
2353 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2354 | encode_putfh(xdr, args->fh, &hdr); | |
2355 | encode_readlink(xdr, args, req, &hdr); | |
e3a535e1 | 2356 | |
28f56694 | 2357 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, |
e3a535e1 | 2358 | args->pgbase, args->pglen); |
d017931c | 2359 | encode_nops(&hdr); |
1da177e4 LT |
2360 | } |
2361 | ||
2362 | /* | |
2363 | * Encode a READDIR request | |
2364 | */ | |
9f06c719 CL |
2365 | static void nfs4_xdr_enc_readdir(struct rpc_rqst *req, struct xdr_stream *xdr, |
2366 | const struct nfs4_readdir_arg *args) | |
1da177e4 | 2367 | { |
1da177e4 | 2368 | struct compound_hdr hdr = { |
66cc0429 | 2369 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2370 | }; |
1da177e4 | 2371 | |
9f06c719 CL |
2372 | encode_compound_hdr(xdr, req, &hdr); |
2373 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2374 | encode_putfh(xdr, args->fh, &hdr); | |
2375 | encode_readdir(xdr, args, req, &hdr); | |
d6ac02df | 2376 | |
28f56694 | 2377 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, |
d6ac02df TM |
2378 | args->pgbase, args->count); |
2379 | dprintk("%s: inlined page args = (%u, %p, %u, %u)\n", | |
28f56694 | 2380 | __func__, hdr.replen << 2, args->pages, |
d6ac02df | 2381 | args->pgbase, args->count); |
d017931c | 2382 | encode_nops(&hdr); |
1da177e4 LT |
2383 | } |
2384 | ||
2385 | /* | |
2386 | * Encode a READ request | |
2387 | */ | |
9f06c719 CL |
2388 | static void nfs4_xdr_enc_read(struct rpc_rqst *req, struct xdr_stream *xdr, |
2389 | struct nfs_readargs *args) | |
1da177e4 | 2390 | { |
1da177e4 | 2391 | struct compound_hdr hdr = { |
66cc0429 | 2392 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2393 | }; |
1da177e4 | 2394 | |
9f06c719 CL |
2395 | encode_compound_hdr(xdr, req, &hdr); |
2396 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2397 | encode_putfh(xdr, args->fh, &hdr); | |
2398 | encode_read(xdr, args, &hdr); | |
1da177e4 | 2399 | |
28f56694 | 2400 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, |
1da177e4 | 2401 | args->pages, args->pgbase, args->count); |
4f22ccc3 | 2402 | req->rq_rcv_buf.flags |= XDRBUF_READ; |
d017931c | 2403 | encode_nops(&hdr); |
1da177e4 LT |
2404 | } |
2405 | ||
2406 | /* | |
2407 | * Encode an SETATTR request | |
2408 | */ | |
9f06c719 CL |
2409 | static void nfs4_xdr_enc_setattr(struct rpc_rqst *req, struct xdr_stream *xdr, |
2410 | struct nfs_setattrargs *args) | |
1da177e4 | 2411 | { |
05d564fe | 2412 | struct compound_hdr hdr = { |
66cc0429 | 2413 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 2414 | }; |
05d564fe | 2415 | |
9f06c719 CL |
2416 | encode_compound_hdr(xdr, req, &hdr); |
2417 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2418 | encode_putfh(xdr, args->fh, &hdr); | |
2419 | encode_setattr(xdr, args, args->server, &hdr); | |
2420 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2421 | encode_nops(&hdr); |
1da177e4 LT |
2422 | } |
2423 | ||
029d105e BF |
2424 | /* |
2425 | * Encode a GETACL request | |
2426 | */ | |
9f06c719 CL |
2427 | static void nfs4_xdr_enc_getacl(struct rpc_rqst *req, struct xdr_stream *xdr, |
2428 | struct nfs_getaclargs *args) | |
029d105e | 2429 | { |
029d105e | 2430 | struct compound_hdr hdr = { |
66cc0429 | 2431 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
029d105e | 2432 | }; |
28f56694 | 2433 | uint32_t replen; |
029d105e | 2434 | |
9f06c719 CL |
2435 | encode_compound_hdr(xdr, req, &hdr); |
2436 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2437 | encode_putfh(xdr, args->fh, &hdr); | |
58ccba85 | 2438 | replen = hdr.replen + op_decode_hdr_maxsz; |
9f06c719 | 2439 | encode_getattr_two(xdr, FATTR4_WORD0_ACL, 0, &hdr); |
cf8cdbe5 | 2440 | |
28f56694 | 2441 | xdr_inline_pages(&req->rq_rcv_buf, replen << 2, |
029d105e | 2442 | args->acl_pages, args->acl_pgbase, args->acl_len); |
bf118a34 | 2443 | |
d017931c | 2444 | encode_nops(&hdr); |
029d105e BF |
2445 | } |
2446 | ||
1da177e4 LT |
2447 | /* |
2448 | * Encode a WRITE request | |
2449 | */ | |
9f06c719 CL |
2450 | static void nfs4_xdr_enc_write(struct rpc_rqst *req, struct xdr_stream *xdr, |
2451 | struct nfs_writeargs *args) | |
1da177e4 | 2452 | { |
1da177e4 | 2453 | struct compound_hdr hdr = { |
66cc0429 | 2454 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2455 | }; |
1da177e4 | 2456 | |
9f06c719 CL |
2457 | encode_compound_hdr(xdr, req, &hdr); |
2458 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2459 | encode_putfh(xdr, args->fh, &hdr); | |
2460 | encode_write(xdr, args, &hdr); | |
4f22ccc3 | 2461 | req->rq_snd_buf.flags |= XDRBUF_WRITE; |
7ffd1064 FI |
2462 | if (args->bitmask) |
2463 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2464 | encode_nops(&hdr); |
1da177e4 LT |
2465 | } |
2466 | ||
2467 | /* | |
2468 | * a COMMIT request | |
2469 | */ | |
9f06c719 | 2470 | static void nfs4_xdr_enc_commit(struct rpc_rqst *req, struct xdr_stream *xdr, |
0b7c0153 | 2471 | struct nfs_commitargs *args) |
1da177e4 | 2472 | { |
1da177e4 | 2473 | struct compound_hdr hdr = { |
66cc0429 | 2474 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2475 | }; |
1da177e4 | 2476 | |
9f06c719 CL |
2477 | encode_compound_hdr(xdr, req, &hdr); |
2478 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2479 | encode_putfh(xdr, args->fh, &hdr); | |
2480 | encode_commit(xdr, args, &hdr); | |
d017931c | 2481 | encode_nops(&hdr); |
1da177e4 LT |
2482 | } |
2483 | ||
2484 | /* | |
2485 | * FSINFO request | |
2486 | */ | |
9f06c719 CL |
2487 | static void nfs4_xdr_enc_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, |
2488 | struct nfs4_fsinfo_arg *args) | |
1da177e4 | 2489 | { |
1da177e4 | 2490 | struct compound_hdr hdr = { |
66cc0429 | 2491 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2492 | }; |
1da177e4 | 2493 | |
9f06c719 CL |
2494 | encode_compound_hdr(xdr, req, &hdr); |
2495 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2496 | encode_putfh(xdr, args->fh, &hdr); | |
2497 | encode_fsinfo(xdr, args->bitmask, &hdr); | |
d017931c | 2498 | encode_nops(&hdr); |
1da177e4 LT |
2499 | } |
2500 | ||
2501 | /* | |
2502 | * a PATHCONF request | |
2503 | */ | |
9f06c719 CL |
2504 | static void nfs4_xdr_enc_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, |
2505 | const struct nfs4_pathconf_arg *args) | |
1da177e4 | 2506 | { |
1da177e4 | 2507 | struct compound_hdr hdr = { |
66cc0429 | 2508 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2509 | }; |
1da177e4 | 2510 | |
9f06c719 CL |
2511 | encode_compound_hdr(xdr, req, &hdr); |
2512 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2513 | encode_putfh(xdr, args->fh, &hdr); | |
2514 | encode_getattr_one(xdr, args->bitmask[0] & nfs4_pathconf_bitmap[0], | |
cf8cdbe5 | 2515 | &hdr); |
d017931c | 2516 | encode_nops(&hdr); |
1da177e4 LT |
2517 | } |
2518 | ||
2519 | /* | |
2520 | * a STATFS request | |
2521 | */ | |
9f06c719 CL |
2522 | static void nfs4_xdr_enc_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, |
2523 | const struct nfs4_statfs_arg *args) | |
1da177e4 | 2524 | { |
1da177e4 | 2525 | struct compound_hdr hdr = { |
66cc0429 | 2526 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2527 | }; |
1da177e4 | 2528 | |
9f06c719 CL |
2529 | encode_compound_hdr(xdr, req, &hdr); |
2530 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2531 | encode_putfh(xdr, args->fh, &hdr); | |
2532 | encode_getattr_two(xdr, args->bitmask[0] & nfs4_statfs_bitmap[0], | |
cf8cdbe5 | 2533 | args->bitmask[1] & nfs4_statfs_bitmap[1], &hdr); |
d017931c | 2534 | encode_nops(&hdr); |
1da177e4 LT |
2535 | } |
2536 | ||
2537 | /* | |
2538 | * GETATTR_BITMAP request | |
2539 | */ | |
9f06c719 CL |
2540 | static void nfs4_xdr_enc_server_caps(struct rpc_rqst *req, |
2541 | struct xdr_stream *xdr, | |
2542 | struct nfs4_server_caps_arg *args) | |
1da177e4 | 2543 | { |
1da177e4 | 2544 | struct compound_hdr hdr = { |
66cc0429 | 2545 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2546 | }; |
1da177e4 | 2547 | |
9f06c719 CL |
2548 | encode_compound_hdr(xdr, req, &hdr); |
2549 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2550 | encode_putfh(xdr, args->fhandle, &hdr); | |
2551 | encode_getattr_one(xdr, FATTR4_WORD0_SUPPORTED_ATTRS| | |
264e6351 | 2552 | FATTR4_WORD0_FH_EXPIRE_TYPE| |
cf8cdbe5 AA |
2553 | FATTR4_WORD0_LINK_SUPPORT| |
2554 | FATTR4_WORD0_SYMLINK_SUPPORT| | |
2555 | FATTR4_WORD0_ACLSUPPORT, &hdr); | |
d017931c | 2556 | encode_nops(&hdr); |
1da177e4 LT |
2557 | } |
2558 | ||
2559 | /* | |
2560 | * a RENEW request | |
2561 | */ | |
9f06c719 CL |
2562 | static void nfs4_xdr_enc_renew(struct rpc_rqst *req, struct xdr_stream *xdr, |
2563 | struct nfs_client *clp) | |
1da177e4 | 2564 | { |
1da177e4 | 2565 | struct compound_hdr hdr = { |
d017931c | 2566 | .nops = 0, |
1da177e4 LT |
2567 | }; |
2568 | ||
9f06c719 | 2569 | encode_compound_hdr(xdr, req, &hdr); |
bb4dae5e | 2570 | encode_renew(xdr, clp->cl_clientid, &hdr); |
d017931c | 2571 | encode_nops(&hdr); |
1da177e4 LT |
2572 | } |
2573 | ||
2574 | /* | |
2575 | * a SETCLIENTID request | |
2576 | */ | |
9f06c719 CL |
2577 | static void nfs4_xdr_enc_setclientid(struct rpc_rqst *req, |
2578 | struct xdr_stream *xdr, | |
2579 | struct nfs4_setclientid *sc) | |
1da177e4 | 2580 | { |
1da177e4 | 2581 | struct compound_hdr hdr = { |
d017931c | 2582 | .nops = 0, |
1da177e4 LT |
2583 | }; |
2584 | ||
9f06c719 CL |
2585 | encode_compound_hdr(xdr, req, &hdr); |
2586 | encode_setclientid(xdr, sc, &hdr); | |
d017931c | 2587 | encode_nops(&hdr); |
1da177e4 LT |
2588 | } |
2589 | ||
2590 | /* | |
2591 | * a SETCLIENTID_CONFIRM request | |
2592 | */ | |
9f06c719 CL |
2593 | static void nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, |
2594 | struct xdr_stream *xdr, | |
2595 | struct nfs4_setclientid_res *arg) | |
1da177e4 | 2596 | { |
1da177e4 | 2597 | struct compound_hdr hdr = { |
d017931c | 2598 | .nops = 0, |
1da177e4 | 2599 | }; |
1da177e4 | 2600 | |
9f06c719 CL |
2601 | encode_compound_hdr(xdr, req, &hdr); |
2602 | encode_setclientid_confirm(xdr, arg, &hdr); | |
d017931c | 2603 | encode_nops(&hdr); |
1da177e4 LT |
2604 | } |
2605 | ||
2606 | /* | |
2607 | * DELEGRETURN request | |
2608 | */ | |
9f06c719 CL |
2609 | static void nfs4_xdr_enc_delegreturn(struct rpc_rqst *req, |
2610 | struct xdr_stream *xdr, | |
2611 | const struct nfs4_delegreturnargs *args) | |
1da177e4 | 2612 | { |
1da177e4 | 2613 | struct compound_hdr hdr = { |
66cc0429 | 2614 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2615 | }; |
1da177e4 | 2616 | |
9f06c719 CL |
2617 | encode_compound_hdr(xdr, req, &hdr); |
2618 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2619 | encode_putfh(xdr, args->fhandle, &hdr); | |
9f06c719 | 2620 | encode_getfattr(xdr, args->bitmask, &hdr); |
e144cbcc | 2621 | encode_delegreturn(xdr, args->stateid, &hdr); |
d017931c | 2622 | encode_nops(&hdr); |
1da177e4 LT |
2623 | } |
2624 | ||
683b57b4 TM |
2625 | /* |
2626 | * Encode FS_LOCATIONS request | |
2627 | */ | |
9f06c719 CL |
2628 | static void nfs4_xdr_enc_fs_locations(struct rpc_rqst *req, |
2629 | struct xdr_stream *xdr, | |
2630 | struct nfs4_fs_locations_arg *args) | |
683b57b4 | 2631 | { |
683b57b4 | 2632 | struct compound_hdr hdr = { |
66cc0429 | 2633 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
683b57b4 | 2634 | }; |
28f56694 | 2635 | uint32_t replen; |
683b57b4 | 2636 | |
9f06c719 CL |
2637 | encode_compound_hdr(xdr, req, &hdr); |
2638 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2639 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2640 | encode_lookup(xdr, args->name, &hdr); | |
28f56694 | 2641 | replen = hdr.replen; /* get the attribute into args->page */ |
9f06c719 | 2642 | encode_fs_locations(xdr, args->bitmask, &hdr); |
cf8cdbe5 | 2643 | |
28f56694 | 2644 | xdr_inline_pages(&req->rq_rcv_buf, replen << 2, &args->page, |
683b57b4 | 2645 | 0, PAGE_SIZE); |
d017931c | 2646 | encode_nops(&hdr); |
683b57b4 TM |
2647 | } |
2648 | ||
5a5ea0d4 BS |
2649 | /* |
2650 | * Encode SECINFO request | |
2651 | */ | |
2652 | static void nfs4_xdr_enc_secinfo(struct rpc_rqst *req, | |
2653 | struct xdr_stream *xdr, | |
2654 | struct nfs4_secinfo_arg *args) | |
2655 | { | |
2656 | struct compound_hdr hdr = { | |
2657 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2658 | }; | |
2659 | ||
2660 | encode_compound_hdr(xdr, req, &hdr); | |
2661 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2662 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2663 | encode_secinfo(xdr, args->name, &hdr); | |
2664 | encode_nops(&hdr); | |
2665 | } | |
2666 | ||
99fe60d0 | 2667 | #if defined(CONFIG_NFS_V4_1) |
7c44f1ae WAA |
2668 | /* |
2669 | * BIND_CONN_TO_SESSION request | |
2670 | */ | |
2671 | static void nfs4_xdr_enc_bind_conn_to_session(struct rpc_rqst *req, | |
2672 | struct xdr_stream *xdr, | |
2673 | struct nfs_client *clp) | |
2674 | { | |
2675 | struct compound_hdr hdr = { | |
2676 | .minorversion = clp->cl_mvops->minor_version, | |
2677 | }; | |
2678 | ||
2679 | encode_compound_hdr(xdr, req, &hdr); | |
2680 | encode_bind_conn_to_session(xdr, clp->cl_session, &hdr); | |
2681 | encode_nops(&hdr); | |
2682 | } | |
2683 | ||
99fe60d0 BH |
2684 | /* |
2685 | * EXCHANGE_ID request | |
2686 | */ | |
9f06c719 CL |
2687 | static void nfs4_xdr_enc_exchange_id(struct rpc_rqst *req, |
2688 | struct xdr_stream *xdr, | |
2689 | struct nfs41_exchange_id_args *args) | |
99fe60d0 | 2690 | { |
99fe60d0 | 2691 | struct compound_hdr hdr = { |
a4432345 | 2692 | .minorversion = args->client->cl_mvops->minor_version, |
99fe60d0 BH |
2693 | }; |
2694 | ||
9f06c719 CL |
2695 | encode_compound_hdr(xdr, req, &hdr); |
2696 | encode_exchange_id(xdr, args, &hdr); | |
99fe60d0 | 2697 | encode_nops(&hdr); |
99fe60d0 | 2698 | } |
2050f0cc | 2699 | |
fc931582 AA |
2700 | /* |
2701 | * a CREATE_SESSION request | |
2702 | */ | |
9f06c719 CL |
2703 | static void nfs4_xdr_enc_create_session(struct rpc_rqst *req, |
2704 | struct xdr_stream *xdr, | |
2705 | struct nfs41_create_session_args *args) | |
fc931582 | 2706 | { |
fc931582 | 2707 | struct compound_hdr hdr = { |
a4432345 | 2708 | .minorversion = args->client->cl_mvops->minor_version, |
fc931582 AA |
2709 | }; |
2710 | ||
9f06c719 CL |
2711 | encode_compound_hdr(xdr, req, &hdr); |
2712 | encode_create_session(xdr, args, &hdr); | |
fc931582 | 2713 | encode_nops(&hdr); |
fc931582 AA |
2714 | } |
2715 | ||
0f3e66c6 AA |
2716 | /* |
2717 | * a DESTROY_SESSION request | |
2718 | */ | |
9f06c719 CL |
2719 | static void nfs4_xdr_enc_destroy_session(struct rpc_rqst *req, |
2720 | struct xdr_stream *xdr, | |
2721 | struct nfs4_session *session) | |
0f3e66c6 | 2722 | { |
0f3e66c6 | 2723 | struct compound_hdr hdr = { |
a4432345 | 2724 | .minorversion = session->clp->cl_mvops->minor_version, |
0f3e66c6 AA |
2725 | }; |
2726 | ||
9f06c719 CL |
2727 | encode_compound_hdr(xdr, req, &hdr); |
2728 | encode_destroy_session(xdr, session, &hdr); | |
0f3e66c6 | 2729 | encode_nops(&hdr); |
0f3e66c6 AA |
2730 | } |
2731 | ||
66245539 TM |
2732 | /* |
2733 | * a DESTROY_CLIENTID request | |
2734 | */ | |
2735 | static void nfs4_xdr_enc_destroy_clientid(struct rpc_rqst *req, | |
2736 | struct xdr_stream *xdr, | |
2737 | struct nfs_client *clp) | |
2738 | { | |
2739 | struct compound_hdr hdr = { | |
2740 | .minorversion = clp->cl_mvops->minor_version, | |
2741 | }; | |
2742 | ||
2743 | encode_compound_hdr(xdr, req, &hdr); | |
2744 | encode_destroy_clientid(xdr, clp->cl_clientid, &hdr); | |
2745 | encode_nops(&hdr); | |
2746 | } | |
2747 | ||
fc01cea9 AA |
2748 | /* |
2749 | * a SEQUENCE request | |
2750 | */ | |
9f06c719 CL |
2751 | static void nfs4_xdr_enc_sequence(struct rpc_rqst *req, struct xdr_stream *xdr, |
2752 | struct nfs4_sequence_args *args) | |
fc01cea9 | 2753 | { |
fc01cea9 AA |
2754 | struct compound_hdr hdr = { |
2755 | .minorversion = nfs4_xdr_minorversion(args), | |
2756 | }; | |
2757 | ||
9f06c719 CL |
2758 | encode_compound_hdr(xdr, req, &hdr); |
2759 | encode_sequence(xdr, args, &hdr); | |
fc01cea9 | 2760 | encode_nops(&hdr); |
fc01cea9 AA |
2761 | } |
2762 | ||
2050f0cc AA |
2763 | /* |
2764 | * a GET_LEASE_TIME request | |
2765 | */ | |
9f06c719 CL |
2766 | static void nfs4_xdr_enc_get_lease_time(struct rpc_rqst *req, |
2767 | struct xdr_stream *xdr, | |
2768 | struct nfs4_get_lease_time_args *args) | |
2050f0cc | 2769 | { |
2050f0cc AA |
2770 | struct compound_hdr hdr = { |
2771 | .minorversion = nfs4_xdr_minorversion(&args->la_seq_args), | |
2772 | }; | |
dae100c2 | 2773 | const u32 lease_bitmap[3] = { FATTR4_WORD0_LEASE_TIME }; |
2050f0cc | 2774 | |
9f06c719 CL |
2775 | encode_compound_hdr(xdr, req, &hdr); |
2776 | encode_sequence(xdr, &args->la_seq_args, &hdr); | |
2777 | encode_putrootfh(xdr, &hdr); | |
2778 | encode_fsinfo(xdr, lease_bitmap, &hdr); | |
2050f0cc | 2779 | encode_nops(&hdr); |
2050f0cc | 2780 | } |
18019753 RL |
2781 | |
2782 | /* | |
2783 | * a RECLAIM_COMPLETE request | |
2784 | */ | |
9f06c719 CL |
2785 | static void nfs4_xdr_enc_reclaim_complete(struct rpc_rqst *req, |
2786 | struct xdr_stream *xdr, | |
2787 | struct nfs41_reclaim_complete_args *args) | |
18019753 | 2788 | { |
18019753 RL |
2789 | struct compound_hdr hdr = { |
2790 | .minorversion = nfs4_xdr_minorversion(&args->seq_args) | |
2791 | }; | |
2792 | ||
9f06c719 CL |
2793 | encode_compound_hdr(xdr, req, &hdr); |
2794 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2795 | encode_reclaim_complete(xdr, args, &hdr); | |
18019753 | 2796 | encode_nops(&hdr); |
18019753 RL |
2797 | } |
2798 | ||
7f11d8d3 AA |
2799 | /* |
2800 | * Encode GETDEVICELIST request | |
2801 | */ | |
2802 | static void nfs4_xdr_enc_getdevicelist(struct rpc_rqst *req, | |
2803 | struct xdr_stream *xdr, | |
2804 | struct nfs4_getdevicelist_args *args) | |
2805 | { | |
2806 | struct compound_hdr hdr = { | |
2807 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2808 | }; | |
2809 | ||
2810 | encode_compound_hdr(xdr, req, &hdr); | |
2811 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2812 | encode_putfh(xdr, args->fh, &hdr); | |
2813 | encode_getdevicelist(xdr, args, &hdr); | |
2814 | encode_nops(&hdr); | |
2815 | } | |
2816 | ||
b1f69b75 AA |
2817 | /* |
2818 | * Encode GETDEVICEINFO request | |
2819 | */ | |
9f06c719 CL |
2820 | static void nfs4_xdr_enc_getdeviceinfo(struct rpc_rqst *req, |
2821 | struct xdr_stream *xdr, | |
2822 | struct nfs4_getdeviceinfo_args *args) | |
b1f69b75 | 2823 | { |
b1f69b75 AA |
2824 | struct compound_hdr hdr = { |
2825 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2826 | }; | |
2827 | ||
9f06c719 CL |
2828 | encode_compound_hdr(xdr, req, &hdr); |
2829 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2830 | encode_getdeviceinfo(xdr, args, &hdr); | |
b1f69b75 AA |
2831 | |
2832 | /* set up reply kvec. Subtract notification bitmap max size (2) | |
2833 | * so that notification bitmap is put in xdr_buf tail */ | |
2834 | xdr_inline_pages(&req->rq_rcv_buf, (hdr.replen - 2) << 2, | |
2835 | args->pdev->pages, args->pdev->pgbase, | |
2836 | args->pdev->pglen); | |
2837 | ||
2838 | encode_nops(&hdr); | |
b1f69b75 AA |
2839 | } |
2840 | ||
2841 | /* | |
2842 | * Encode LAYOUTGET request | |
2843 | */ | |
9f06c719 CL |
2844 | static void nfs4_xdr_enc_layoutget(struct rpc_rqst *req, |
2845 | struct xdr_stream *xdr, | |
2846 | struct nfs4_layoutget_args *args) | |
b1f69b75 | 2847 | { |
b1f69b75 AA |
2848 | struct compound_hdr hdr = { |
2849 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2850 | }; | |
2851 | ||
9f06c719 CL |
2852 | encode_compound_hdr(xdr, req, &hdr); |
2853 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2854 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
2855 | encode_layoutget(xdr, args, &hdr); | |
35124a09 WAA |
2856 | |
2857 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, | |
2858 | args->layout.pages, 0, args->layout.pglen); | |
2859 | ||
b1f69b75 | 2860 | encode_nops(&hdr); |
b1f69b75 | 2861 | } |
863a3c6c AA |
2862 | |
2863 | /* | |
2864 | * Encode LAYOUTCOMMIT request | |
2865 | */ | |
cbe82603 BH |
2866 | static void nfs4_xdr_enc_layoutcommit(struct rpc_rqst *req, |
2867 | struct xdr_stream *xdr, | |
2868 | struct nfs4_layoutcommit_args *args) | |
863a3c6c | 2869 | { |
ac7db726 BH |
2870 | struct nfs4_layoutcommit_data *data = |
2871 | container_of(args, struct nfs4_layoutcommit_data, args); | |
863a3c6c AA |
2872 | struct compound_hdr hdr = { |
2873 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2874 | }; | |
2875 | ||
2876 | encode_compound_hdr(xdr, req, &hdr); | |
2877 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2878 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
ac7db726 | 2879 | encode_layoutcommit(xdr, data->args.inode, args, &hdr); |
863a3c6c | 2880 | encode_getfattr(xdr, args->bitmask, &hdr); |
b1f69b75 | 2881 | encode_nops(&hdr); |
cbe82603 BH |
2882 | } |
2883 | ||
2884 | /* | |
2885 | * Encode LAYOUTRETURN request | |
2886 | */ | |
2887 | static void nfs4_xdr_enc_layoutreturn(struct rpc_rqst *req, | |
2888 | struct xdr_stream *xdr, | |
2889 | struct nfs4_layoutreturn_args *args) | |
2890 | { | |
2891 | struct compound_hdr hdr = { | |
2892 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2893 | }; | |
2894 | ||
2895 | encode_compound_hdr(xdr, req, &hdr); | |
2896 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2897 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
2898 | encode_layoutreturn(xdr, args, &hdr); | |
2899 | encode_nops(&hdr); | |
b1f69b75 | 2900 | } |
fca78d6d BS |
2901 | |
2902 | /* | |
2903 | * Encode SECINFO_NO_NAME request | |
2904 | */ | |
2905 | static int nfs4_xdr_enc_secinfo_no_name(struct rpc_rqst *req, | |
2906 | struct xdr_stream *xdr, | |
2907 | struct nfs41_secinfo_no_name_args *args) | |
2908 | { | |
2909 | struct compound_hdr hdr = { | |
2910 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2911 | }; | |
2912 | ||
2913 | encode_compound_hdr(xdr, req, &hdr); | |
2914 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2915 | encode_putrootfh(xdr, &hdr); | |
2916 | encode_secinfo_no_name(xdr, args, &hdr); | |
2917 | encode_nops(&hdr); | |
2918 | return 0; | |
2919 | } | |
7d974794 BS |
2920 | |
2921 | /* | |
2922 | * Encode TEST_STATEID request | |
2923 | */ | |
2924 | static void nfs4_xdr_enc_test_stateid(struct rpc_rqst *req, | |
2925 | struct xdr_stream *xdr, | |
2926 | struct nfs41_test_stateid_args *args) | |
2927 | { | |
2928 | struct compound_hdr hdr = { | |
2929 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2930 | }; | |
2931 | ||
2932 | encode_compound_hdr(xdr, req, &hdr); | |
2933 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2934 | encode_test_stateid(xdr, args, &hdr); | |
2935 | encode_nops(&hdr); | |
2936 | } | |
9aeda35f BS |
2937 | |
2938 | /* | |
2939 | * Encode FREE_STATEID request | |
2940 | */ | |
2941 | static void nfs4_xdr_enc_free_stateid(struct rpc_rqst *req, | |
2942 | struct xdr_stream *xdr, | |
2943 | struct nfs41_free_stateid_args *args) | |
2944 | { | |
2945 | struct compound_hdr hdr = { | |
2946 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2947 | }; | |
2948 | ||
2949 | encode_compound_hdr(xdr, req, &hdr); | |
2950 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2951 | encode_free_stateid(xdr, args, &hdr); | |
2952 | encode_nops(&hdr); | |
2953 | } | |
99fe60d0 BH |
2954 | #endif /* CONFIG_NFS_V4_1 */ |
2955 | ||
686841b3 BH |
2956 | static void print_overflow_msg(const char *func, const struct xdr_stream *xdr) |
2957 | { | |
2958 | dprintk("nfs: %s: prematurely hit end of receive buffer. " | |
2959 | "Remaining buffer length is %tu words.\n", | |
2960 | func, xdr->end - xdr->p); | |
2961 | } | |
1da177e4 | 2962 | |
683b57b4 | 2963 | static int decode_opaque_inline(struct xdr_stream *xdr, unsigned int *len, char **string) |
1da177e4 | 2964 | { |
8687b63a | 2965 | __be32 *p; |
1da177e4 | 2966 | |
c0eae66e BH |
2967 | p = xdr_inline_decode(xdr, 4); |
2968 | if (unlikely(!p)) | |
2969 | goto out_overflow; | |
cccddf4f | 2970 | *len = be32_to_cpup(p); |
c0eae66e BH |
2971 | p = xdr_inline_decode(xdr, *len); |
2972 | if (unlikely(!p)) | |
2973 | goto out_overflow; | |
1da177e4 LT |
2974 | *string = (char *)p; |
2975 | return 0; | |
c0eae66e BH |
2976 | out_overflow: |
2977 | print_overflow_msg(__func__, xdr); | |
2978 | return -EIO; | |
1da177e4 LT |
2979 | } |
2980 | ||
2981 | static int decode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr) | |
2982 | { | |
8687b63a | 2983 | __be32 *p; |
1da177e4 | 2984 | |
c0eae66e BH |
2985 | p = xdr_inline_decode(xdr, 8); |
2986 | if (unlikely(!p)) | |
2987 | goto out_overflow; | |
6f723f77 | 2988 | hdr->status = be32_to_cpup(p++); |
cccddf4f | 2989 | hdr->taglen = be32_to_cpup(p); |
6c0195a4 | 2990 | |
c0eae66e BH |
2991 | p = xdr_inline_decode(xdr, hdr->taglen + 4); |
2992 | if (unlikely(!p)) | |
2993 | goto out_overflow; | |
1da177e4 LT |
2994 | hdr->tag = (char *)p; |
2995 | p += XDR_QUADLEN(hdr->taglen); | |
cccddf4f | 2996 | hdr->nops = be32_to_cpup(p); |
aadf6152 BH |
2997 | if (unlikely(hdr->nops < 1)) |
2998 | return nfs4_stat_to_errno(hdr->status); | |
1da177e4 | 2999 | return 0; |
c0eae66e BH |
3000 | out_overflow: |
3001 | print_overflow_msg(__func__, xdr); | |
3002 | return -EIO; | |
1da177e4 LT |
3003 | } |
3004 | ||
afce3609 TM |
3005 | static bool __decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected, |
3006 | int *nfs_retval) | |
1da177e4 | 3007 | { |
8687b63a | 3008 | __be32 *p; |
1da177e4 LT |
3009 | uint32_t opnum; |
3010 | int32_t nfserr; | |
3011 | ||
c0eae66e BH |
3012 | p = xdr_inline_decode(xdr, 8); |
3013 | if (unlikely(!p)) | |
3014 | goto out_overflow; | |
6f723f77 | 3015 | opnum = be32_to_cpup(p++); |
afce3609 TM |
3016 | if (unlikely(opnum != expected)) |
3017 | goto out_bad_operation; | |
cccddf4f | 3018 | nfserr = be32_to_cpup(p); |
afce3609 TM |
3019 | if (nfserr == NFS_OK) |
3020 | *nfs_retval = 0; | |
3021 | else | |
3022 | *nfs_retval = nfs4_stat_to_errno(nfserr); | |
3023 | return true; | |
3024 | out_bad_operation: | |
3025 | dprintk("nfs: Server returned operation" | |
3026 | " %d but we issued a request for %d\n", | |
3027 | opnum, expected); | |
3028 | *nfs_retval = -EREMOTEIO; | |
3029 | return false; | |
c0eae66e BH |
3030 | out_overflow: |
3031 | print_overflow_msg(__func__, xdr); | |
afce3609 TM |
3032 | *nfs_retval = -EIO; |
3033 | return false; | |
3034 | } | |
3035 | ||
3036 | static int decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected) | |
3037 | { | |
3038 | int retval; | |
3039 | ||
3040 | __decode_op_hdr(xdr, expected, &retval); | |
3041 | return retval; | |
1da177e4 LT |
3042 | } |
3043 | ||
3044 | /* Dummy routine */ | |
adfa6f98 | 3045 | static int decode_ace(struct xdr_stream *xdr, void *ace, struct nfs_client *clp) |
1da177e4 | 3046 | { |
8687b63a | 3047 | __be32 *p; |
683b57b4 | 3048 | unsigned int strlen; |
1da177e4 LT |
3049 | char *str; |
3050 | ||
c0eae66e BH |
3051 | p = xdr_inline_decode(xdr, 12); |
3052 | if (likely(p)) | |
3053 | return decode_opaque_inline(xdr, &strlen, &str); | |
3054 | print_overflow_msg(__func__, xdr); | |
3055 | return -EIO; | |
1da177e4 LT |
3056 | } |
3057 | ||
3058 | static int decode_attr_bitmap(struct xdr_stream *xdr, uint32_t *bitmap) | |
3059 | { | |
8687b63a AV |
3060 | uint32_t bmlen; |
3061 | __be32 *p; | |
1da177e4 | 3062 | |
c0eae66e BH |
3063 | p = xdr_inline_decode(xdr, 4); |
3064 | if (unlikely(!p)) | |
3065 | goto out_overflow; | |
cccddf4f | 3066 | bmlen = be32_to_cpup(p); |
1da177e4 | 3067 | |
dae100c2 | 3068 | bitmap[0] = bitmap[1] = bitmap[2] = 0; |
c0eae66e BH |
3069 | p = xdr_inline_decode(xdr, (bmlen << 2)); |
3070 | if (unlikely(!p)) | |
3071 | goto out_overflow; | |
1da177e4 | 3072 | if (bmlen > 0) { |
6f723f77 | 3073 | bitmap[0] = be32_to_cpup(p++); |
dae100c2 FI |
3074 | if (bmlen > 1) { |
3075 | bitmap[1] = be32_to_cpup(p++); | |
3076 | if (bmlen > 2) | |
3077 | bitmap[2] = be32_to_cpup(p); | |
3078 | } | |
1da177e4 LT |
3079 | } |
3080 | return 0; | |
c0eae66e BH |
3081 | out_overflow: |
3082 | print_overflow_msg(__func__, xdr); | |
3083 | return -EIO; | |
1da177e4 LT |
3084 | } |
3085 | ||
256e48bb | 3086 | static int decode_attr_length(struct xdr_stream *xdr, uint32_t *attrlen, unsigned int *savep) |
1da177e4 | 3087 | { |
8687b63a | 3088 | __be32 *p; |
1da177e4 | 3089 | |
c0eae66e BH |
3090 | p = xdr_inline_decode(xdr, 4); |
3091 | if (unlikely(!p)) | |
3092 | goto out_overflow; | |
cccddf4f | 3093 | *attrlen = be32_to_cpup(p); |
256e48bb | 3094 | *savep = xdr_stream_pos(xdr); |
1da177e4 | 3095 | return 0; |
c0eae66e BH |
3096 | out_overflow: |
3097 | print_overflow_msg(__func__, xdr); | |
3098 | return -EIO; | |
1da177e4 LT |
3099 | } |
3100 | ||
3101 | static int decode_attr_supported(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *bitmask) | |
3102 | { | |
3103 | if (likely(bitmap[0] & FATTR4_WORD0_SUPPORTED_ATTRS)) { | |
3388bff5 RB |
3104 | int ret; |
3105 | ret = decode_attr_bitmap(xdr, bitmask); | |
3106 | if (unlikely(ret < 0)) | |
3107 | return ret; | |
1da177e4 LT |
3108 | bitmap[0] &= ~FATTR4_WORD0_SUPPORTED_ATTRS; |
3109 | } else | |
dae100c2 FI |
3110 | bitmask[0] = bitmask[1] = bitmask[2] = 0; |
3111 | dprintk("%s: bitmask=%08x:%08x:%08x\n", __func__, | |
3112 | bitmask[0], bitmask[1], bitmask[2]); | |
1da177e4 LT |
3113 | return 0; |
3114 | } | |
3115 | ||
3116 | static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *type) | |
3117 | { | |
8687b63a | 3118 | __be32 *p; |
409924e4 | 3119 | int ret = 0; |
1da177e4 LT |
3120 | |
3121 | *type = 0; | |
3122 | if (unlikely(bitmap[0] & (FATTR4_WORD0_TYPE - 1U))) | |
3123 | return -EIO; | |
3124 | if (likely(bitmap[0] & FATTR4_WORD0_TYPE)) { | |
c0eae66e BH |
3125 | p = xdr_inline_decode(xdr, 4); |
3126 | if (unlikely(!p)) | |
3127 | goto out_overflow; | |
cccddf4f | 3128 | *type = be32_to_cpup(p); |
1da177e4 | 3129 | if (*type < NF4REG || *type > NF4NAMEDATTR) { |
3110ff80 | 3130 | dprintk("%s: bad type %d\n", __func__, *type); |
1da177e4 LT |
3131 | return -EIO; |
3132 | } | |
3133 | bitmap[0] &= ~FATTR4_WORD0_TYPE; | |
409924e4 | 3134 | ret = NFS_ATTR_FATTR_TYPE; |
1da177e4 | 3135 | } |
bca79478 | 3136 | dprintk("%s: type=0%o\n", __func__, nfs_type2fmt[*type]); |
409924e4 | 3137 | return ret; |
c0eae66e BH |
3138 | out_overflow: |
3139 | print_overflow_msg(__func__, xdr); | |
3140 | return -EIO; | |
1da177e4 LT |
3141 | } |
3142 | ||
264e6351 CL |
3143 | static int decode_attr_fh_expire_type(struct xdr_stream *xdr, |
3144 | uint32_t *bitmap, uint32_t *type) | |
3145 | { | |
3146 | __be32 *p; | |
3147 | ||
3148 | *type = 0; | |
3149 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FH_EXPIRE_TYPE - 1U))) | |
3150 | return -EIO; | |
3151 | if (likely(bitmap[0] & FATTR4_WORD0_FH_EXPIRE_TYPE)) { | |
3152 | p = xdr_inline_decode(xdr, 4); | |
3153 | if (unlikely(!p)) | |
3154 | goto out_overflow; | |
3155 | *type = be32_to_cpup(p); | |
3156 | bitmap[0] &= ~FATTR4_WORD0_FH_EXPIRE_TYPE; | |
3157 | } | |
3158 | dprintk("%s: expire type=0x%x\n", __func__, *type); | |
3159 | return 0; | |
3160 | out_overflow: | |
3161 | print_overflow_msg(__func__, xdr); | |
3162 | return -EIO; | |
3163 | } | |
3164 | ||
1da177e4 LT |
3165 | static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *change) |
3166 | { | |
8687b63a | 3167 | __be32 *p; |
409924e4 | 3168 | int ret = 0; |
1da177e4 LT |
3169 | |
3170 | *change = 0; | |
3171 | if (unlikely(bitmap[0] & (FATTR4_WORD0_CHANGE - 1U))) | |
3172 | return -EIO; | |
3173 | if (likely(bitmap[0] & FATTR4_WORD0_CHANGE)) { | |
c0eae66e BH |
3174 | p = xdr_inline_decode(xdr, 8); |
3175 | if (unlikely(!p)) | |
3176 | goto out_overflow; | |
cccddf4f | 3177 | xdr_decode_hyper(p, change); |
1da177e4 | 3178 | bitmap[0] &= ~FATTR4_WORD0_CHANGE; |
409924e4 | 3179 | ret = NFS_ATTR_FATTR_CHANGE; |
1da177e4 | 3180 | } |
3110ff80 | 3181 | dprintk("%s: change attribute=%Lu\n", __func__, |
1da177e4 | 3182 | (unsigned long long)*change); |
409924e4 | 3183 | return ret; |
c0eae66e BH |
3184 | out_overflow: |
3185 | print_overflow_msg(__func__, xdr); | |
3186 | return -EIO; | |
1da177e4 LT |
3187 | } |
3188 | ||
3189 | static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *size) | |
3190 | { | |
8687b63a | 3191 | __be32 *p; |
409924e4 | 3192 | int ret = 0; |
1da177e4 LT |
3193 | |
3194 | *size = 0; | |
3195 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SIZE - 1U))) | |
3196 | return -EIO; | |
3197 | if (likely(bitmap[0] & FATTR4_WORD0_SIZE)) { | |
c0eae66e BH |
3198 | p = xdr_inline_decode(xdr, 8); |
3199 | if (unlikely(!p)) | |
3200 | goto out_overflow; | |
cccddf4f | 3201 | xdr_decode_hyper(p, size); |
1da177e4 | 3202 | bitmap[0] &= ~FATTR4_WORD0_SIZE; |
409924e4 | 3203 | ret = NFS_ATTR_FATTR_SIZE; |
1da177e4 | 3204 | } |
3110ff80 | 3205 | dprintk("%s: file size=%Lu\n", __func__, (unsigned long long)*size); |
409924e4 | 3206 | return ret; |
c0eae66e BH |
3207 | out_overflow: |
3208 | print_overflow_msg(__func__, xdr); | |
3209 | return -EIO; | |
1da177e4 LT |
3210 | } |
3211 | ||
3212 | static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3213 | { | |
8687b63a | 3214 | __be32 *p; |
1da177e4 LT |
3215 | |
3216 | *res = 0; | |
3217 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LINK_SUPPORT - 1U))) | |
3218 | return -EIO; | |
3219 | if (likely(bitmap[0] & FATTR4_WORD0_LINK_SUPPORT)) { | |
c0eae66e BH |
3220 | p = xdr_inline_decode(xdr, 4); |
3221 | if (unlikely(!p)) | |
3222 | goto out_overflow; | |
cccddf4f | 3223 | *res = be32_to_cpup(p); |
1da177e4 LT |
3224 | bitmap[0] &= ~FATTR4_WORD0_LINK_SUPPORT; |
3225 | } | |
3110ff80 | 3226 | dprintk("%s: link support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 | 3227 | return 0; |
c0eae66e BH |
3228 | out_overflow: |
3229 | print_overflow_msg(__func__, xdr); | |
3230 | return -EIO; | |
1da177e4 LT |
3231 | } |
3232 | ||
3233 | static int decode_attr_symlink_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3234 | { | |
8687b63a | 3235 | __be32 *p; |
1da177e4 LT |
3236 | |
3237 | *res = 0; | |
3238 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SYMLINK_SUPPORT - 1U))) | |
3239 | return -EIO; | |
3240 | if (likely(bitmap[0] & FATTR4_WORD0_SYMLINK_SUPPORT)) { | |
c0eae66e BH |
3241 | p = xdr_inline_decode(xdr, 4); |
3242 | if (unlikely(!p)) | |
3243 | goto out_overflow; | |
cccddf4f | 3244 | *res = be32_to_cpup(p); |
1da177e4 LT |
3245 | bitmap[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT; |
3246 | } | |
3110ff80 | 3247 | dprintk("%s: symlink support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 | 3248 | return 0; |
c0eae66e BH |
3249 | out_overflow: |
3250 | print_overflow_msg(__func__, xdr); | |
3251 | return -EIO; | |
1da177e4 LT |
3252 | } |
3253 | ||
8b4bdcf8 | 3254 | static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fsid *fsid) |
1da177e4 | 3255 | { |
8687b63a | 3256 | __be32 *p; |
409924e4 | 3257 | int ret = 0; |
1da177e4 LT |
3258 | |
3259 | fsid->major = 0; | |
3260 | fsid->minor = 0; | |
3261 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FSID - 1U))) | |
3262 | return -EIO; | |
3263 | if (likely(bitmap[0] & FATTR4_WORD0_FSID)) { | |
c0eae66e BH |
3264 | p = xdr_inline_decode(xdr, 16); |
3265 | if (unlikely(!p)) | |
3266 | goto out_overflow; | |
3ceb4dbb | 3267 | p = xdr_decode_hyper(p, &fsid->major); |
cccddf4f | 3268 | xdr_decode_hyper(p, &fsid->minor); |
1da177e4 | 3269 | bitmap[0] &= ~FATTR4_WORD0_FSID; |
409924e4 | 3270 | ret = NFS_ATTR_FATTR_FSID; |
1da177e4 | 3271 | } |
3110ff80 | 3272 | dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __func__, |
1da177e4 LT |
3273 | (unsigned long long)fsid->major, |
3274 | (unsigned long long)fsid->minor); | |
409924e4 | 3275 | return ret; |
c0eae66e BH |
3276 | out_overflow: |
3277 | print_overflow_msg(__func__, xdr); | |
3278 | return -EIO; | |
1da177e4 LT |
3279 | } |
3280 | ||
3281 | static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3282 | { | |
8687b63a | 3283 | __be32 *p; |
1da177e4 LT |
3284 | |
3285 | *res = 60; | |
3286 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LEASE_TIME - 1U))) | |
3287 | return -EIO; | |
3288 | if (likely(bitmap[0] & FATTR4_WORD0_LEASE_TIME)) { | |
c0eae66e BH |
3289 | p = xdr_inline_decode(xdr, 4); |
3290 | if (unlikely(!p)) | |
3291 | goto out_overflow; | |
cccddf4f | 3292 | *res = be32_to_cpup(p); |
1da177e4 LT |
3293 | bitmap[0] &= ~FATTR4_WORD0_LEASE_TIME; |
3294 | } | |
3110ff80 | 3295 | dprintk("%s: file size=%u\n", __func__, (unsigned int)*res); |
1da177e4 | 3296 | return 0; |
c0eae66e BH |
3297 | out_overflow: |
3298 | print_overflow_msg(__func__, xdr); | |
3299 | return -EIO; | |
1da177e4 LT |
3300 | } |
3301 | ||
ee7b75fc | 3302 | static int decode_attr_error(struct xdr_stream *xdr, uint32_t *bitmap, int32_t *res) |
ae42c70a BS |
3303 | { |
3304 | __be32 *p; | |
3305 | ||
3306 | if (unlikely(bitmap[0] & (FATTR4_WORD0_RDATTR_ERROR - 1U))) | |
3307 | return -EIO; | |
3308 | if (likely(bitmap[0] & FATTR4_WORD0_RDATTR_ERROR)) { | |
3309 | p = xdr_inline_decode(xdr, 4); | |
3310 | if (unlikely(!p)) | |
3311 | goto out_overflow; | |
3312 | bitmap[0] &= ~FATTR4_WORD0_RDATTR_ERROR; | |
ee7b75fc | 3313 | *res = -be32_to_cpup(p); |
ae42c70a BS |
3314 | } |
3315 | return 0; | |
3316 | out_overflow: | |
3317 | print_overflow_msg(__func__, xdr); | |
3318 | return -EIO; | |
3319 | } | |
3320 | ||
3321 | static int decode_attr_filehandle(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fh *fh) | |
3322 | { | |
3323 | __be32 *p; | |
3324 | int len; | |
3325 | ||
7ad07353 TM |
3326 | if (fh != NULL) |
3327 | memset(fh, 0, sizeof(*fh)); | |
ae42c70a BS |
3328 | |
3329 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEHANDLE - 1U))) | |
3330 | return -EIO; | |
3331 | if (likely(bitmap[0] & FATTR4_WORD0_FILEHANDLE)) { | |
3332 | p = xdr_inline_decode(xdr, 4); | |
3333 | if (unlikely(!p)) | |
3334 | goto out_overflow; | |
3335 | len = be32_to_cpup(p); | |
3336 | if (len > NFS4_FHSIZE) | |
3337 | return -EIO; | |
ae42c70a BS |
3338 | p = xdr_inline_decode(xdr, len); |
3339 | if (unlikely(!p)) | |
3340 | goto out_overflow; | |
7ad07353 TM |
3341 | if (fh != NULL) { |
3342 | memcpy(fh->data, p, len); | |
3343 | fh->size = len; | |
3344 | } | |
ae42c70a BS |
3345 | bitmap[0] &= ~FATTR4_WORD0_FILEHANDLE; |
3346 | } | |
3347 | return 0; | |
3348 | out_overflow: | |
3349 | print_overflow_msg(__func__, xdr); | |
3350 | return -EIO; | |
3351 | } | |
3352 | ||
1da177e4 LT |
3353 | static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) |
3354 | { | |
8687b63a | 3355 | __be32 *p; |
1da177e4 LT |
3356 | |
3357 | *res = ACL4_SUPPORT_ALLOW_ACL|ACL4_SUPPORT_DENY_ACL; | |
3358 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACLSUPPORT - 1U))) | |
3359 | return -EIO; | |
3360 | if (likely(bitmap[0] & FATTR4_WORD0_ACLSUPPORT)) { | |
c0eae66e BH |
3361 | p = xdr_inline_decode(xdr, 4); |
3362 | if (unlikely(!p)) | |
3363 | goto out_overflow; | |
cccddf4f | 3364 | *res = be32_to_cpup(p); |
1da177e4 LT |
3365 | bitmap[0] &= ~FATTR4_WORD0_ACLSUPPORT; |
3366 | } | |
3110ff80 | 3367 | dprintk("%s: ACLs supported=%u\n", __func__, (unsigned int)*res); |
1da177e4 | 3368 | return 0; |
c0eae66e BH |
3369 | out_overflow: |
3370 | print_overflow_msg(__func__, xdr); | |
3371 | return -EIO; | |
1da177e4 LT |
3372 | } |
3373 | ||
3374 | static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) | |
3375 | { | |
8687b63a | 3376 | __be32 *p; |
409924e4 | 3377 | int ret = 0; |
1da177e4 LT |
3378 | |
3379 | *fileid = 0; | |
3380 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEID - 1U))) | |
3381 | return -EIO; | |
3382 | if (likely(bitmap[0] & FATTR4_WORD0_FILEID)) { | |
c0eae66e BH |
3383 | p = xdr_inline_decode(xdr, 8); |
3384 | if (unlikely(!p)) | |
3385 | goto out_overflow; | |
cccddf4f | 3386 | xdr_decode_hyper(p, fileid); |
1da177e4 | 3387 | bitmap[0] &= ~FATTR4_WORD0_FILEID; |
409924e4 | 3388 | ret = NFS_ATTR_FATTR_FILEID; |
1da177e4 | 3389 | } |
3110ff80 | 3390 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
409924e4 | 3391 | return ret; |
c0eae66e BH |
3392 | out_overflow: |
3393 | print_overflow_msg(__func__, xdr); | |
3394 | return -EIO; | |
1da177e4 LT |
3395 | } |
3396 | ||
99baf625 MN |
3397 | static int decode_attr_mounted_on_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) |
3398 | { | |
8687b63a | 3399 | __be32 *p; |
409924e4 | 3400 | int ret = 0; |
99baf625 MN |
3401 | |
3402 | *fileid = 0; | |
3403 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MOUNTED_ON_FILEID - 1U))) | |
3404 | return -EIO; | |
3405 | if (likely(bitmap[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) { | |
c0eae66e BH |
3406 | p = xdr_inline_decode(xdr, 8); |
3407 | if (unlikely(!p)) | |
3408 | goto out_overflow; | |
cccddf4f | 3409 | xdr_decode_hyper(p, fileid); |
99baf625 | 3410 | bitmap[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID; |
28331a46 | 3411 | ret = NFS_ATTR_FATTR_MOUNTED_ON_FILEID; |
99baf625 | 3412 | } |
3110ff80 | 3413 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
409924e4 | 3414 | return ret; |
c0eae66e BH |
3415 | out_overflow: |
3416 | print_overflow_msg(__func__, xdr); | |
3417 | return -EIO; | |
99baf625 MN |
3418 | } |
3419 | ||
1da177e4 LT |
3420 | static int decode_attr_files_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
3421 | { | |
8687b63a | 3422 | __be32 *p; |
1da177e4 LT |
3423 | int status = 0; |
3424 | ||
3425 | *res = 0; | |
3426 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_AVAIL - 1U))) | |
3427 | return -EIO; | |
3428 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_AVAIL)) { | |
c0eae66e BH |
3429 | p = xdr_inline_decode(xdr, 8); |
3430 | if (unlikely(!p)) | |
3431 | goto out_overflow; | |
cccddf4f | 3432 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3433 | bitmap[0] &= ~FATTR4_WORD0_FILES_AVAIL; |
3434 | } | |
3110ff80 | 3435 | dprintk("%s: files avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3436 | return status; |
c0eae66e BH |
3437 | out_overflow: |
3438 | print_overflow_msg(__func__, xdr); | |
3439 | return -EIO; | |
1da177e4 LT |
3440 | } |
3441 | ||
3442 | static int decode_attr_files_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3443 | { | |
8687b63a | 3444 | __be32 *p; |
1da177e4 LT |
3445 | int status = 0; |
3446 | ||
3447 | *res = 0; | |
3448 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_FREE - 1U))) | |
3449 | return -EIO; | |
3450 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_FREE)) { | |
c0eae66e BH |
3451 | p = xdr_inline_decode(xdr, 8); |
3452 | if (unlikely(!p)) | |
3453 | goto out_overflow; | |
cccddf4f | 3454 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3455 | bitmap[0] &= ~FATTR4_WORD0_FILES_FREE; |
3456 | } | |
3110ff80 | 3457 | dprintk("%s: files free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3458 | return status; |
c0eae66e BH |
3459 | out_overflow: |
3460 | print_overflow_msg(__func__, xdr); | |
3461 | return -EIO; | |
1da177e4 LT |
3462 | } |
3463 | ||
3464 | static int decode_attr_files_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3465 | { | |
8687b63a | 3466 | __be32 *p; |
1da177e4 LT |
3467 | int status = 0; |
3468 | ||
3469 | *res = 0; | |
3470 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_TOTAL - 1U))) | |
3471 | return -EIO; | |
3472 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_TOTAL)) { | |
c0eae66e BH |
3473 | p = xdr_inline_decode(xdr, 8); |
3474 | if (unlikely(!p)) | |
3475 | goto out_overflow; | |
cccddf4f | 3476 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3477 | bitmap[0] &= ~FATTR4_WORD0_FILES_TOTAL; |
3478 | } | |
3110ff80 | 3479 | dprintk("%s: files total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3480 | return status; |
c0eae66e BH |
3481 | out_overflow: |
3482 | print_overflow_msg(__func__, xdr); | |
3483 | return -EIO; | |
1da177e4 LT |
3484 | } |
3485 | ||
7aaa0b3b MN |
3486 | static int decode_pathname(struct xdr_stream *xdr, struct nfs4_pathname *path) |
3487 | { | |
464ad6b1 | 3488 | u32 n; |
8687b63a | 3489 | __be32 *p; |
7aaa0b3b MN |
3490 | int status = 0; |
3491 | ||
c0eae66e BH |
3492 | p = xdr_inline_decode(xdr, 4); |
3493 | if (unlikely(!p)) | |
3494 | goto out_overflow; | |
cccddf4f | 3495 | n = be32_to_cpup(p); |
33a43f28 AA |
3496 | if (n == 0) |
3497 | goto root_path; | |
02a2976c | 3498 | dprintk("pathname4: "); |
809b426c TM |
3499 | if (n > NFS4_PATHNAME_MAXCOMPONENTS) { |
3500 | dprintk("cannot parse %d components in path\n", n); | |
3501 | goto out_eio; | |
3502 | } | |
3503 | for (path->ncomponents = 0; path->ncomponents < n; path->ncomponents++) { | |
7aaa0b3b MN |
3504 | struct nfs4_string *component = &path->components[path->ncomponents]; |
3505 | status = decode_opaque_inline(xdr, &component->len, &component->data); | |
3506 | if (unlikely(status != 0)) | |
3507 | goto out_eio; | |
95a13f7b | 3508 | ifdebug (XDR) |
02a2976c CL |
3509 | pr_cont("%s%.*s ", |
3510 | (path->ncomponents != n ? "/ " : ""), | |
3511 | component->len, component->data); | |
7aaa0b3b MN |
3512 | } |
3513 | out: | |
7aaa0b3b | 3514 | return status; |
33a43f28 AA |
3515 | root_path: |
3516 | /* a root pathname is sent as a zero component4 */ | |
3517 | path->ncomponents = 1; | |
3518 | path->components[0].len=0; | |
3519 | path->components[0].data=NULL; | |
02a2976c | 3520 | dprintk("pathname4: /\n"); |
33a43f28 | 3521 | goto out; |
7aaa0b3b MN |
3522 | out_eio: |
3523 | dprintk(" status %d", status); | |
3524 | status = -EIO; | |
3525 | goto out; | |
c0eae66e BH |
3526 | out_overflow: |
3527 | print_overflow_msg(__func__, xdr); | |
3528 | return -EIO; | |
7aaa0b3b MN |
3529 | } |
3530 | ||
3531 | static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_fs_locations *res) | |
683b57b4 TM |
3532 | { |
3533 | int n; | |
8687b63a | 3534 | __be32 *p; |
683b57b4 TM |
3535 | int status = -EIO; |
3536 | ||
3537 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FS_LOCATIONS -1U))) | |
3538 | goto out; | |
3539 | status = 0; | |
3540 | if (unlikely(!(bitmap[0] & FATTR4_WORD0_FS_LOCATIONS))) | |
3541 | goto out; | |
8b7e3f49 TM |
3542 | status = -EIO; |
3543 | /* Ignore borken servers that return unrequested attrs */ | |
3544 | if (unlikely(res == NULL)) | |
3545 | goto out; | |
02a2976c | 3546 | dprintk("%s: fsroot:\n", __func__); |
7aaa0b3b | 3547 | status = decode_pathname(xdr, &res->fs_path); |
683b57b4 TM |
3548 | if (unlikely(status != 0)) |
3549 | goto out; | |
c0eae66e BH |
3550 | p = xdr_inline_decode(xdr, 4); |
3551 | if (unlikely(!p)) | |
3552 | goto out_overflow; | |
cccddf4f | 3553 | n = be32_to_cpup(p); |
683b57b4 TM |
3554 | if (n <= 0) |
3555 | goto out_eio; | |
809b426c | 3556 | for (res->nlocations = 0; res->nlocations < n; res->nlocations++) { |
464ad6b1 | 3557 | u32 m; |
809b426c | 3558 | struct nfs4_fs_location *loc; |
683b57b4 | 3559 | |
809b426c TM |
3560 | if (res->nlocations == NFS4_FS_LOCATIONS_MAXENTRIES) |
3561 | break; | |
3562 | loc = &res->locations[res->nlocations]; | |
c0eae66e BH |
3563 | p = xdr_inline_decode(xdr, 4); |
3564 | if (unlikely(!p)) | |
3565 | goto out_overflow; | |
cccddf4f | 3566 | m = be32_to_cpup(p); |
7aaa0b3b | 3567 | |
02a2976c | 3568 | dprintk("%s: servers:\n", __func__); |
809b426c TM |
3569 | for (loc->nservers = 0; loc->nservers < m; loc->nservers++) { |
3570 | struct nfs4_string *server; | |
3571 | ||
3572 | if (loc->nservers == NFS4_FS_LOCATION_MAXSERVERS) { | |
464ad6b1 CL |
3573 | unsigned int i; |
3574 | dprintk("%s: using first %u of %u servers " | |
3575 | "returned for location %u\n", | |
3110ff80 | 3576 | __func__, |
464ad6b1 CL |
3577 | NFS4_FS_LOCATION_MAXSERVERS, |
3578 | m, res->nlocations); | |
7aaa0b3b | 3579 | for (i = loc->nservers; i < m; i++) { |
2e42c3e2 | 3580 | unsigned int len; |
7aaa0b3b MN |
3581 | char *data; |
3582 | status = decode_opaque_inline(xdr, &len, &data); | |
3583 | if (unlikely(status != 0)) | |
3584 | goto out_eio; | |
3585 | } | |
809b426c | 3586 | break; |
7aaa0b3b | 3587 | } |
809b426c TM |
3588 | server = &loc->servers[loc->nservers]; |
3589 | status = decode_opaque_inline(xdr, &server->len, &server->data); | |
3590 | if (unlikely(status != 0)) | |
3591 | goto out_eio; | |
3592 | dprintk("%s ", server->data); | |
7aaa0b3b MN |
3593 | } |
3594 | status = decode_pathname(xdr, &loc->rootpath); | |
683b57b4 TM |
3595 | if (unlikely(status != 0)) |
3596 | goto out_eio; | |
683b57b4 | 3597 | } |
409924e4 | 3598 | if (res->nlocations != 0) |
81934ddb | 3599 | status = NFS_ATTR_FATTR_V4_LOCATIONS; |
683b57b4 | 3600 | out: |
3110ff80 | 3601 | dprintk("%s: fs_locations done, error = %d\n", __func__, status); |
683b57b4 | 3602 | return status; |
c0eae66e BH |
3603 | out_overflow: |
3604 | print_overflow_msg(__func__, xdr); | |
683b57b4 TM |
3605 | out_eio: |
3606 | status = -EIO; | |
3607 | goto out; | |
3608 | } | |
3609 | ||
1da177e4 LT |
3610 | static int decode_attr_maxfilesize(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
3611 | { | |
8687b63a | 3612 | __be32 *p; |
1da177e4 LT |
3613 | int status = 0; |
3614 | ||
3615 | *res = 0; | |
3616 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXFILESIZE - 1U))) | |
3617 | return -EIO; | |
3618 | if (likely(bitmap[0] & FATTR4_WORD0_MAXFILESIZE)) { | |
c0eae66e BH |
3619 | p = xdr_inline_decode(xdr, 8); |
3620 | if (unlikely(!p)) | |
3621 | goto out_overflow; | |
cccddf4f | 3622 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3623 | bitmap[0] &= ~FATTR4_WORD0_MAXFILESIZE; |
3624 | } | |
3110ff80 | 3625 | dprintk("%s: maxfilesize=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3626 | return status; |
c0eae66e BH |
3627 | out_overflow: |
3628 | print_overflow_msg(__func__, xdr); | |
3629 | return -EIO; | |
1da177e4 LT |
3630 | } |
3631 | ||
3632 | static int decode_attr_maxlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxlink) | |
3633 | { | |
8687b63a | 3634 | __be32 *p; |
1da177e4 LT |
3635 | int status = 0; |
3636 | ||
3637 | *maxlink = 1; | |
3638 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXLINK - 1U))) | |
3639 | return -EIO; | |
3640 | if (likely(bitmap[0] & FATTR4_WORD0_MAXLINK)) { | |
c0eae66e BH |
3641 | p = xdr_inline_decode(xdr, 4); |
3642 | if (unlikely(!p)) | |
3643 | goto out_overflow; | |
cccddf4f | 3644 | *maxlink = be32_to_cpup(p); |
1da177e4 LT |
3645 | bitmap[0] &= ~FATTR4_WORD0_MAXLINK; |
3646 | } | |
3110ff80 | 3647 | dprintk("%s: maxlink=%u\n", __func__, *maxlink); |
1da177e4 | 3648 | return status; |
c0eae66e BH |
3649 | out_overflow: |
3650 | print_overflow_msg(__func__, xdr); | |
3651 | return -EIO; | |
1da177e4 LT |
3652 | } |
3653 | ||
3654 | static int decode_attr_maxname(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxname) | |
3655 | { | |
8687b63a | 3656 | __be32 *p; |
1da177e4 LT |
3657 | int status = 0; |
3658 | ||
3659 | *maxname = 1024; | |
3660 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXNAME - 1U))) | |
3661 | return -EIO; | |
3662 | if (likely(bitmap[0] & FATTR4_WORD0_MAXNAME)) { | |
c0eae66e BH |
3663 | p = xdr_inline_decode(xdr, 4); |
3664 | if (unlikely(!p)) | |
3665 | goto out_overflow; | |
cccddf4f | 3666 | *maxname = be32_to_cpup(p); |
1da177e4 LT |
3667 | bitmap[0] &= ~FATTR4_WORD0_MAXNAME; |
3668 | } | |
3110ff80 | 3669 | dprintk("%s: maxname=%u\n", __func__, *maxname); |
1da177e4 | 3670 | return status; |
c0eae66e BH |
3671 | out_overflow: |
3672 | print_overflow_msg(__func__, xdr); | |
3673 | return -EIO; | |
1da177e4 LT |
3674 | } |
3675 | ||
3676 | static int decode_attr_maxread(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3677 | { | |
8687b63a | 3678 | __be32 *p; |
1da177e4 LT |
3679 | int status = 0; |
3680 | ||
3681 | *res = 1024; | |
3682 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXREAD - 1U))) | |
3683 | return -EIO; | |
3684 | if (likely(bitmap[0] & FATTR4_WORD0_MAXREAD)) { | |
3685 | uint64_t maxread; | |
c0eae66e BH |
3686 | p = xdr_inline_decode(xdr, 8); |
3687 | if (unlikely(!p)) | |
3688 | goto out_overflow; | |
cccddf4f | 3689 | xdr_decode_hyper(p, &maxread); |
1da177e4 LT |
3690 | if (maxread > 0x7FFFFFFF) |
3691 | maxread = 0x7FFFFFFF; | |
3692 | *res = (uint32_t)maxread; | |
3693 | bitmap[0] &= ~FATTR4_WORD0_MAXREAD; | |
3694 | } | |
3110ff80 | 3695 | dprintk("%s: maxread=%lu\n", __func__, (unsigned long)*res); |
1da177e4 | 3696 | return status; |
c0eae66e BH |
3697 | out_overflow: |
3698 | print_overflow_msg(__func__, xdr); | |
3699 | return -EIO; | |
1da177e4 LT |
3700 | } |
3701 | ||
3702 | static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3703 | { | |
8687b63a | 3704 | __be32 *p; |
1da177e4 LT |
3705 | int status = 0; |
3706 | ||
3707 | *res = 1024; | |
3708 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXWRITE - 1U))) | |
3709 | return -EIO; | |
3710 | if (likely(bitmap[0] & FATTR4_WORD0_MAXWRITE)) { | |
3711 | uint64_t maxwrite; | |
c0eae66e BH |
3712 | p = xdr_inline_decode(xdr, 8); |
3713 | if (unlikely(!p)) | |
3714 | goto out_overflow; | |
cccddf4f | 3715 | xdr_decode_hyper(p, &maxwrite); |
1da177e4 LT |
3716 | if (maxwrite > 0x7FFFFFFF) |
3717 | maxwrite = 0x7FFFFFFF; | |
3718 | *res = (uint32_t)maxwrite; | |
3719 | bitmap[0] &= ~FATTR4_WORD0_MAXWRITE; | |
3720 | } | |
3110ff80 | 3721 | dprintk("%s: maxwrite=%lu\n", __func__, (unsigned long)*res); |
1da177e4 | 3722 | return status; |
c0eae66e BH |
3723 | out_overflow: |
3724 | print_overflow_msg(__func__, xdr); | |
3725 | return -EIO; | |
1da177e4 LT |
3726 | } |
3727 | ||
bca79478 | 3728 | static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, umode_t *mode) |
1da177e4 | 3729 | { |
bca79478 | 3730 | uint32_t tmp; |
8687b63a | 3731 | __be32 *p; |
409924e4 | 3732 | int ret = 0; |
1da177e4 LT |
3733 | |
3734 | *mode = 0; | |
3735 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MODE - 1U))) | |
3736 | return -EIO; | |
3737 | if (likely(bitmap[1] & FATTR4_WORD1_MODE)) { | |
c0eae66e BH |
3738 | p = xdr_inline_decode(xdr, 4); |
3739 | if (unlikely(!p)) | |
3740 | goto out_overflow; | |
cccddf4f | 3741 | tmp = be32_to_cpup(p); |
bca79478 | 3742 | *mode = tmp & ~S_IFMT; |
1da177e4 | 3743 | bitmap[1] &= ~FATTR4_WORD1_MODE; |
409924e4 | 3744 | ret = NFS_ATTR_FATTR_MODE; |
1da177e4 | 3745 | } |
3110ff80 | 3746 | dprintk("%s: file mode=0%o\n", __func__, (unsigned int)*mode); |
409924e4 | 3747 | return ret; |
c0eae66e BH |
3748 | out_overflow: |
3749 | print_overflow_msg(__func__, xdr); | |
3750 | return -EIO; | |
1da177e4 LT |
3751 | } |
3752 | ||
3753 | static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *nlink) | |
3754 | { | |
8687b63a | 3755 | __be32 *p; |
409924e4 | 3756 | int ret = 0; |
1da177e4 LT |
3757 | |
3758 | *nlink = 1; | |
3759 | if (unlikely(bitmap[1] & (FATTR4_WORD1_NUMLINKS - 1U))) | |
3760 | return -EIO; | |
3761 | if (likely(bitmap[1] & FATTR4_WORD1_NUMLINKS)) { | |
c0eae66e BH |
3762 | p = xdr_inline_decode(xdr, 4); |
3763 | if (unlikely(!p)) | |
3764 | goto out_overflow; | |
cccddf4f | 3765 | *nlink = be32_to_cpup(p); |
1da177e4 | 3766 | bitmap[1] &= ~FATTR4_WORD1_NUMLINKS; |
409924e4 | 3767 | ret = NFS_ATTR_FATTR_NLINK; |
1da177e4 | 3768 | } |
3110ff80 | 3769 | dprintk("%s: nlink=%u\n", __func__, (unsigned int)*nlink); |
409924e4 | 3770 | return ret; |
c0eae66e BH |
3771 | out_overflow: |
3772 | print_overflow_msg(__func__, xdr); | |
3773 | return -EIO; | |
1da177e4 LT |
3774 | } |
3775 | ||
80e52ace | 3776 | static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, |
e5782076 | 3777 | const struct nfs_server *server, kuid_t *uid, |
6926afd1 | 3778 | struct nfs4_string *owner_name) |
1da177e4 | 3779 | { |
8687b63a AV |
3780 | uint32_t len; |
3781 | __be32 *p; | |
409924e4 | 3782 | int ret = 0; |
1da177e4 | 3783 | |
e5782076 | 3784 | *uid = make_kuid(&init_user_ns, -2); |
1da177e4 LT |
3785 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER - 1U))) |
3786 | return -EIO; | |
3787 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER)) { | |
c0eae66e BH |
3788 | p = xdr_inline_decode(xdr, 4); |
3789 | if (unlikely(!p)) | |
3790 | goto out_overflow; | |
cccddf4f | 3791 | len = be32_to_cpup(p); |
c0eae66e BH |
3792 | p = xdr_inline_decode(xdr, len); |
3793 | if (unlikely(!p)) | |
3794 | goto out_overflow; | |
6926afd1 TM |
3795 | if (owner_name != NULL) { |
3796 | owner_name->data = kmemdup(p, len, GFP_NOWAIT); | |
3797 | if (owner_name->data != NULL) { | |
3798 | owner_name->len = len; | |
3799 | ret = NFS_ATTR_FATTR_OWNER_NAME; | |
3800 | } | |
80e52ace | 3801 | } else if (len < XDR_MAX_NETOBJ) { |
e4fd72a1 | 3802 | if (nfs_map_name_to_uid(server, (char *)p, len, uid) == 0) |
409924e4 TM |
3803 | ret = NFS_ATTR_FATTR_OWNER; |
3804 | else | |
1da177e4 | 3805 | dprintk("%s: nfs_map_name_to_uid failed!\n", |
3110ff80 | 3806 | __func__); |
1da177e4 | 3807 | } else |
fe82a183 | 3808 | dprintk("%s: name too long (%u)!\n", |
3110ff80 | 3809 | __func__, len); |
1da177e4 LT |
3810 | bitmap[1] &= ~FATTR4_WORD1_OWNER; |
3811 | } | |
e5782076 | 3812 | dprintk("%s: uid=%d\n", __func__, (int)from_kuid(&init_user_ns, *uid)); |
409924e4 | 3813 | return ret; |
c0eae66e BH |
3814 | out_overflow: |
3815 | print_overflow_msg(__func__, xdr); | |
3816 | return -EIO; | |
1da177e4 LT |
3817 | } |
3818 | ||
80e52ace | 3819 | static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, |
e5782076 | 3820 | const struct nfs_server *server, kgid_t *gid, |
6926afd1 | 3821 | struct nfs4_string *group_name) |
1da177e4 | 3822 | { |
8687b63a AV |
3823 | uint32_t len; |
3824 | __be32 *p; | |
409924e4 | 3825 | int ret = 0; |
1da177e4 | 3826 | |
e5782076 | 3827 | *gid = make_kgid(&init_user_ns, -2); |
1da177e4 LT |
3828 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER_GROUP - 1U))) |
3829 | return -EIO; | |
3830 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER_GROUP)) { | |
c0eae66e BH |
3831 | p = xdr_inline_decode(xdr, 4); |
3832 | if (unlikely(!p)) | |
3833 | goto out_overflow; | |
cccddf4f | 3834 | len = be32_to_cpup(p); |
c0eae66e BH |
3835 | p = xdr_inline_decode(xdr, len); |
3836 | if (unlikely(!p)) | |
3837 | goto out_overflow; | |
6926afd1 TM |
3838 | if (group_name != NULL) { |
3839 | group_name->data = kmemdup(p, len, GFP_NOWAIT); | |
3840 | if (group_name->data != NULL) { | |
3841 | group_name->len = len; | |
3842 | ret = NFS_ATTR_FATTR_GROUP_NAME; | |
3843 | } | |
80e52ace | 3844 | } else if (len < XDR_MAX_NETOBJ) { |
e4fd72a1 | 3845 | if (nfs_map_group_to_gid(server, (char *)p, len, gid) == 0) |
409924e4 TM |
3846 | ret = NFS_ATTR_FATTR_GROUP; |
3847 | else | |
1da177e4 | 3848 | dprintk("%s: nfs_map_group_to_gid failed!\n", |
3110ff80 | 3849 | __func__); |
1da177e4 | 3850 | } else |
fe82a183 | 3851 | dprintk("%s: name too long (%u)!\n", |
3110ff80 | 3852 | __func__, len); |
1da177e4 LT |
3853 | bitmap[1] &= ~FATTR4_WORD1_OWNER_GROUP; |
3854 | } | |
e5782076 | 3855 | dprintk("%s: gid=%d\n", __func__, (int)from_kgid(&init_user_ns, *gid)); |
409924e4 | 3856 | return ret; |
c0eae66e BH |
3857 | out_overflow: |
3858 | print_overflow_msg(__func__, xdr); | |
3859 | return -EIO; | |
1da177e4 LT |
3860 | } |
3861 | ||
3862 | static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rdev) | |
3863 | { | |
8687b63a AV |
3864 | uint32_t major = 0, minor = 0; |
3865 | __be32 *p; | |
409924e4 | 3866 | int ret = 0; |
1da177e4 LT |
3867 | |
3868 | *rdev = MKDEV(0,0); | |
3869 | if (unlikely(bitmap[1] & (FATTR4_WORD1_RAWDEV - 1U))) | |
3870 | return -EIO; | |
3871 | if (likely(bitmap[1] & FATTR4_WORD1_RAWDEV)) { | |
3872 | dev_t tmp; | |
3873 | ||
c0eae66e BH |
3874 | p = xdr_inline_decode(xdr, 8); |
3875 | if (unlikely(!p)) | |
3876 | goto out_overflow; | |
6f723f77 | 3877 | major = be32_to_cpup(p++); |
cccddf4f | 3878 | minor = be32_to_cpup(p); |
1da177e4 LT |
3879 | tmp = MKDEV(major, minor); |
3880 | if (MAJOR(tmp) == major && MINOR(tmp) == minor) | |
3881 | *rdev = tmp; | |
3882 | bitmap[1] &= ~ FATTR4_WORD1_RAWDEV; | |
409924e4 | 3883 | ret = NFS_ATTR_FATTR_RDEV; |
1da177e4 | 3884 | } |
3110ff80 | 3885 | dprintk("%s: rdev=(0x%x:0x%x)\n", __func__, major, minor); |
409924e4 | 3886 | return ret; |
c0eae66e BH |
3887 | out_overflow: |
3888 | print_overflow_msg(__func__, xdr); | |
3889 | return -EIO; | |
1da177e4 LT |
3890 | } |
3891 | ||
3892 | static int decode_attr_space_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3893 | { | |
8687b63a | 3894 | __be32 *p; |
1da177e4 LT |
3895 | int status = 0; |
3896 | ||
3897 | *res = 0; | |
3898 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_AVAIL - 1U))) | |
3899 | return -EIO; | |
3900 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_AVAIL)) { | |
c0eae66e BH |
3901 | p = xdr_inline_decode(xdr, 8); |
3902 | if (unlikely(!p)) | |
3903 | goto out_overflow; | |
cccddf4f | 3904 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3905 | bitmap[1] &= ~FATTR4_WORD1_SPACE_AVAIL; |
3906 | } | |
3110ff80 | 3907 | dprintk("%s: space avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3908 | return status; |
c0eae66e BH |
3909 | out_overflow: |
3910 | print_overflow_msg(__func__, xdr); | |
3911 | return -EIO; | |
1da177e4 LT |
3912 | } |
3913 | ||
3914 | static int decode_attr_space_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3915 | { | |
8687b63a | 3916 | __be32 *p; |
1da177e4 LT |
3917 | int status = 0; |
3918 | ||
3919 | *res = 0; | |
3920 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_FREE - 1U))) | |
3921 | return -EIO; | |
3922 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_FREE)) { | |
c0eae66e BH |
3923 | p = xdr_inline_decode(xdr, 8); |
3924 | if (unlikely(!p)) | |
3925 | goto out_overflow; | |
cccddf4f | 3926 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3927 | bitmap[1] &= ~FATTR4_WORD1_SPACE_FREE; |
3928 | } | |
3110ff80 | 3929 | dprintk("%s: space free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3930 | return status; |
c0eae66e BH |
3931 | out_overflow: |
3932 | print_overflow_msg(__func__, xdr); | |
3933 | return -EIO; | |
1da177e4 LT |
3934 | } |
3935 | ||
3936 | static int decode_attr_space_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3937 | { | |
8687b63a | 3938 | __be32 *p; |
1da177e4 LT |
3939 | int status = 0; |
3940 | ||
3941 | *res = 0; | |
3942 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_TOTAL - 1U))) | |
3943 | return -EIO; | |
3944 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_TOTAL)) { | |
c0eae66e BH |
3945 | p = xdr_inline_decode(xdr, 8); |
3946 | if (unlikely(!p)) | |
3947 | goto out_overflow; | |
cccddf4f | 3948 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3949 | bitmap[1] &= ~FATTR4_WORD1_SPACE_TOTAL; |
3950 | } | |
3110ff80 | 3951 | dprintk("%s: space total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3952 | return status; |
c0eae66e BH |
3953 | out_overflow: |
3954 | print_overflow_msg(__func__, xdr); | |
3955 | return -EIO; | |
1da177e4 LT |
3956 | } |
3957 | ||
3958 | static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *used) | |
3959 | { | |
8687b63a | 3960 | __be32 *p; |
409924e4 | 3961 | int ret = 0; |
1da177e4 LT |
3962 | |
3963 | *used = 0; | |
3964 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_USED - 1U))) | |
3965 | return -EIO; | |
3966 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_USED)) { | |
c0eae66e BH |
3967 | p = xdr_inline_decode(xdr, 8); |
3968 | if (unlikely(!p)) | |
3969 | goto out_overflow; | |
cccddf4f | 3970 | xdr_decode_hyper(p, used); |
1da177e4 | 3971 | bitmap[1] &= ~FATTR4_WORD1_SPACE_USED; |
409924e4 | 3972 | ret = NFS_ATTR_FATTR_SPACE_USED; |
1da177e4 | 3973 | } |
3110ff80 | 3974 | dprintk("%s: space used=%Lu\n", __func__, |
1da177e4 | 3975 | (unsigned long long)*used); |
409924e4 | 3976 | return ret; |
c0eae66e BH |
3977 | out_overflow: |
3978 | print_overflow_msg(__func__, xdr); | |
3979 | return -EIO; | |
1da177e4 LT |
3980 | } |
3981 | ||
3982 | static int decode_attr_time(struct xdr_stream *xdr, struct timespec *time) | |
3983 | { | |
8687b63a | 3984 | __be32 *p; |
1da177e4 LT |
3985 | uint64_t sec; |
3986 | uint32_t nsec; | |
3987 | ||
c0eae66e BH |
3988 | p = xdr_inline_decode(xdr, 12); |
3989 | if (unlikely(!p)) | |
3990 | goto out_overflow; | |
3ceb4dbb | 3991 | p = xdr_decode_hyper(p, &sec); |
cccddf4f | 3992 | nsec = be32_to_cpup(p); |
1da177e4 LT |
3993 | time->tv_sec = (time_t)sec; |
3994 | time->tv_nsec = (long)nsec; | |
3995 | return 0; | |
c0eae66e BH |
3996 | out_overflow: |
3997 | print_overflow_msg(__func__, xdr); | |
3998 | return -EIO; | |
1da177e4 LT |
3999 | } |
4000 | ||
4001 | static int decode_attr_time_access(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
4002 | { | |
4003 | int status = 0; | |
4004 | ||
4005 | time->tv_sec = 0; | |
4006 | time->tv_nsec = 0; | |
4007 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_ACCESS - 1U))) | |
4008 | return -EIO; | |
4009 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_ACCESS)) { | |
4010 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4011 | if (status == 0) |
4012 | status = NFS_ATTR_FATTR_ATIME; | |
1da177e4 LT |
4013 | bitmap[1] &= ~FATTR4_WORD1_TIME_ACCESS; |
4014 | } | |
3110ff80 | 4015 | dprintk("%s: atime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
4016 | return status; |
4017 | } | |
4018 | ||
4019 | static int decode_attr_time_metadata(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
4020 | { | |
4021 | int status = 0; | |
4022 | ||
4023 | time->tv_sec = 0; | |
4024 | time->tv_nsec = 0; | |
4025 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_METADATA - 1U))) | |
4026 | return -EIO; | |
4027 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_METADATA)) { | |
4028 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4029 | if (status == 0) |
4030 | status = NFS_ATTR_FATTR_CTIME; | |
1da177e4 LT |
4031 | bitmap[1] &= ~FATTR4_WORD1_TIME_METADATA; |
4032 | } | |
3110ff80 | 4033 | dprintk("%s: ctime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
4034 | return status; |
4035 | } | |
4036 | ||
55b6e774 RL |
4037 | static int decode_attr_time_delta(struct xdr_stream *xdr, uint32_t *bitmap, |
4038 | struct timespec *time) | |
4039 | { | |
4040 | int status = 0; | |
4041 | ||
4042 | time->tv_sec = 0; | |
4043 | time->tv_nsec = 0; | |
4044 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_DELTA - 1U))) | |
4045 | return -EIO; | |
4046 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_DELTA)) { | |
4047 | status = decode_attr_time(xdr, time); | |
4048 | bitmap[1] &= ~FATTR4_WORD1_TIME_DELTA; | |
4049 | } | |
4050 | dprintk("%s: time_delta=%ld %ld\n", __func__, (long)time->tv_sec, | |
4051 | (long)time->tv_nsec); | |
4052 | return status; | |
4053 | } | |
4054 | ||
1da177e4 LT |
4055 | static int decode_attr_time_modify(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) |
4056 | { | |
4057 | int status = 0; | |
4058 | ||
4059 | time->tv_sec = 0; | |
4060 | time->tv_nsec = 0; | |
4061 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_MODIFY - 1U))) | |
4062 | return -EIO; | |
4063 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_MODIFY)) { | |
4064 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4065 | if (status == 0) |
4066 | status = NFS_ATTR_FATTR_MTIME; | |
1da177e4 LT |
4067 | bitmap[1] &= ~FATTR4_WORD1_TIME_MODIFY; |
4068 | } | |
3110ff80 | 4069 | dprintk("%s: mtime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
4070 | return status; |
4071 | } | |
4072 | ||
256e48bb | 4073 | static int verify_attr_len(struct xdr_stream *xdr, unsigned int savep, uint32_t attrlen) |
1da177e4 LT |
4074 | { |
4075 | unsigned int attrwords = XDR_QUADLEN(attrlen); | |
256e48bb | 4076 | unsigned int nwords = (xdr_stream_pos(xdr) - savep) >> 2; |
1da177e4 LT |
4077 | |
4078 | if (unlikely(attrwords != nwords)) { | |
fe82a183 CL |
4079 | dprintk("%s: server returned incorrect attribute length: " |
4080 | "%u %c %u\n", | |
3110ff80 | 4081 | __func__, |
1da177e4 LT |
4082 | attrwords << 2, |
4083 | (attrwords < nwords) ? '<' : '>', | |
4084 | nwords << 2); | |
4085 | return -EIO; | |
4086 | } | |
4087 | return 0; | |
4088 | } | |
4089 | ||
4090 | static int decode_change_info(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4091 | { | |
8687b63a | 4092 | __be32 *p; |
1da177e4 | 4093 | |
c0eae66e BH |
4094 | p = xdr_inline_decode(xdr, 20); |
4095 | if (unlikely(!p)) | |
4096 | goto out_overflow; | |
6f723f77 | 4097 | cinfo->atomic = be32_to_cpup(p++); |
3ceb4dbb | 4098 | p = xdr_decode_hyper(p, &cinfo->before); |
cccddf4f | 4099 | xdr_decode_hyper(p, &cinfo->after); |
1da177e4 | 4100 | return 0; |
c0eae66e BH |
4101 | out_overflow: |
4102 | print_overflow_msg(__func__, xdr); | |
4103 | return -EIO; | |
1da177e4 LT |
4104 | } |
4105 | ||
6168f62c | 4106 | static int decode_access(struct xdr_stream *xdr, u32 *supported, u32 *access) |
1da177e4 | 4107 | { |
8687b63a | 4108 | __be32 *p; |
1da177e4 LT |
4109 | uint32_t supp, acc; |
4110 | int status; | |
4111 | ||
4112 | status = decode_op_hdr(xdr, OP_ACCESS); | |
4113 | if (status) | |
4114 | return status; | |
c0eae66e BH |
4115 | p = xdr_inline_decode(xdr, 8); |
4116 | if (unlikely(!p)) | |
4117 | goto out_overflow; | |
6f723f77 | 4118 | supp = be32_to_cpup(p++); |
cccddf4f | 4119 | acc = be32_to_cpup(p); |
6168f62c WAA |
4120 | *supported = supp; |
4121 | *access = acc; | |
1da177e4 | 4122 | return 0; |
c0eae66e BH |
4123 | out_overflow: |
4124 | print_overflow_msg(__func__, xdr); | |
4125 | return -EIO; | |
1da177e4 LT |
4126 | } |
4127 | ||
07d30434 | 4128 | static int decode_opaque_fixed(struct xdr_stream *xdr, void *buf, size_t len) |
1da177e4 | 4129 | { |
8687b63a | 4130 | __be32 *p; |
07d30434 BH |
4131 | |
4132 | p = xdr_inline_decode(xdr, len); | |
4133 | if (likely(p)) { | |
4134 | memcpy(buf, p, len); | |
4135 | return 0; | |
4136 | } | |
4137 | print_overflow_msg(__func__, xdr); | |
4138 | return -EIO; | |
4139 | } | |
4140 | ||
4141 | static int decode_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) | |
4142 | { | |
2d2f24ad | 4143 | return decode_opaque_fixed(xdr, stateid, NFS4_STATEID_SIZE); |
07d30434 BH |
4144 | } |
4145 | ||
4146 | static int decode_close(struct xdr_stream *xdr, struct nfs_closeres *res) | |
4147 | { | |
1da177e4 LT |
4148 | int status; |
4149 | ||
4150 | status = decode_op_hdr(xdr, OP_CLOSE); | |
c1d51931 TM |
4151 | if (status != -EIO) |
4152 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4153 | if (!status) |
4154 | status = decode_stateid(xdr, &res->stateid); | |
4155 | return status; | |
1da177e4 LT |
4156 | } |
4157 | ||
db942bbd BH |
4158 | static int decode_verifier(struct xdr_stream *xdr, void *verifier) |
4159 | { | |
cd93710e | 4160 | return decode_opaque_fixed(xdr, verifier, NFS4_VERIFIER_SIZE); |
1da177e4 LT |
4161 | } |
4162 | ||
2f2c63bc TM |
4163 | static int decode_write_verifier(struct xdr_stream *xdr, struct nfs_write_verifier *verifier) |
4164 | { | |
4165 | return decode_opaque_fixed(xdr, verifier->data, NFS4_VERIFIER_SIZE); | |
4166 | } | |
4167 | ||
0b7c0153 | 4168 | static int decode_commit(struct xdr_stream *xdr, struct nfs_commitres *res) |
1da177e4 | 4169 | { |
1da177e4 LT |
4170 | int status; |
4171 | ||
4172 | status = decode_op_hdr(xdr, OP_COMMIT); | |
db942bbd | 4173 | if (!status) |
2f2c63bc | 4174 | status = decode_write_verifier(xdr, &res->verf->verifier); |
db942bbd | 4175 | return status; |
1da177e4 LT |
4176 | } |
4177 | ||
4178 | static int decode_create(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4179 | { | |
8687b63a | 4180 | __be32 *p; |
1da177e4 LT |
4181 | uint32_t bmlen; |
4182 | int status; | |
4183 | ||
4184 | status = decode_op_hdr(xdr, OP_CREATE); | |
4185 | if (status) | |
4186 | return status; | |
4187 | if ((status = decode_change_info(xdr, cinfo))) | |
4188 | return status; | |
c0eae66e BH |
4189 | p = xdr_inline_decode(xdr, 4); |
4190 | if (unlikely(!p)) | |
4191 | goto out_overflow; | |
cccddf4f | 4192 | bmlen = be32_to_cpup(p); |
c0eae66e BH |
4193 | p = xdr_inline_decode(xdr, bmlen << 2); |
4194 | if (likely(p)) | |
4195 | return 0; | |
4196 | out_overflow: | |
4197 | print_overflow_msg(__func__, xdr); | |
4198 | return -EIO; | |
1da177e4 LT |
4199 | } |
4200 | ||
4201 | static int decode_server_caps(struct xdr_stream *xdr, struct nfs4_server_caps_res *res) | |
4202 | { | |
256e48bb | 4203 | unsigned int savep; |
dae100c2 | 4204 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 LT |
4205 | int status; |
4206 | ||
4207 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
4208 | goto xdr_error; | |
4209 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4210 | goto xdr_error; | |
4211 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4212 | goto xdr_error; | |
4213 | if ((status = decode_attr_supported(xdr, bitmap, res->attr_bitmask)) != 0) | |
4214 | goto xdr_error; | |
264e6351 CL |
4215 | if ((status = decode_attr_fh_expire_type(xdr, bitmap, |
4216 | &res->fh_expire_type)) != 0) | |
4217 | goto xdr_error; | |
1da177e4 LT |
4218 | if ((status = decode_attr_link_support(xdr, bitmap, &res->has_links)) != 0) |
4219 | goto xdr_error; | |
4220 | if ((status = decode_attr_symlink_support(xdr, bitmap, &res->has_symlinks)) != 0) | |
4221 | goto xdr_error; | |
4222 | if ((status = decode_attr_aclsupport(xdr, bitmap, &res->acl_bitmask)) != 0) | |
4223 | goto xdr_error; | |
4224 | status = verify_attr_len(xdr, savep, attrlen); | |
4225 | xdr_error: | |
3110ff80 | 4226 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4227 | return status; |
4228 | } | |
6c0195a4 | 4229 | |
1da177e4 LT |
4230 | static int decode_statfs(struct xdr_stream *xdr, struct nfs_fsstat *fsstat) |
4231 | { | |
256e48bb | 4232 | unsigned int savep; |
dae100c2 | 4233 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 | 4234 | int status; |
6c0195a4 | 4235 | |
1da177e4 LT |
4236 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
4237 | goto xdr_error; | |
4238 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4239 | goto xdr_error; | |
4240 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4241 | goto xdr_error; | |
4242 | ||
4243 | if ((status = decode_attr_files_avail(xdr, bitmap, &fsstat->afiles)) != 0) | |
4244 | goto xdr_error; | |
4245 | if ((status = decode_attr_files_free(xdr, bitmap, &fsstat->ffiles)) != 0) | |
4246 | goto xdr_error; | |
4247 | if ((status = decode_attr_files_total(xdr, bitmap, &fsstat->tfiles)) != 0) | |
4248 | goto xdr_error; | |
4249 | if ((status = decode_attr_space_avail(xdr, bitmap, &fsstat->abytes)) != 0) | |
4250 | goto xdr_error; | |
4251 | if ((status = decode_attr_space_free(xdr, bitmap, &fsstat->fbytes)) != 0) | |
4252 | goto xdr_error; | |
4253 | if ((status = decode_attr_space_total(xdr, bitmap, &fsstat->tbytes)) != 0) | |
4254 | goto xdr_error; | |
4255 | ||
4256 | status = verify_attr_len(xdr, savep, attrlen); | |
4257 | xdr_error: | |
3110ff80 | 4258 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4259 | return status; |
4260 | } | |
4261 | ||
4262 | static int decode_pathconf(struct xdr_stream *xdr, struct nfs_pathconf *pathconf) | |
4263 | { | |
256e48bb | 4264 | unsigned int savep; |
dae100c2 | 4265 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 | 4266 | int status; |
6c0195a4 | 4267 | |
1da177e4 LT |
4268 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
4269 | goto xdr_error; | |
4270 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4271 | goto xdr_error; | |
4272 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4273 | goto xdr_error; | |
4274 | ||
4275 | if ((status = decode_attr_maxlink(xdr, bitmap, &pathconf->max_link)) != 0) | |
4276 | goto xdr_error; | |
4277 | if ((status = decode_attr_maxname(xdr, bitmap, &pathconf->max_namelen)) != 0) | |
4278 | goto xdr_error; | |
4279 | ||
4280 | status = verify_attr_len(xdr, savep, attrlen); | |
4281 | xdr_error: | |
3110ff80 | 4282 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4283 | return status; |
4284 | } | |
4285 | ||
88034c3d AA |
4286 | static int decode_threshold_hint(struct xdr_stream *xdr, |
4287 | uint32_t *bitmap, | |
4288 | uint64_t *res, | |
4289 | uint32_t hint_bit) | |
4290 | { | |
4291 | __be32 *p; | |
4292 | ||
4293 | *res = 0; | |
4294 | if (likely(bitmap[0] & hint_bit)) { | |
4295 | p = xdr_inline_decode(xdr, 8); | |
4296 | if (unlikely(!p)) | |
4297 | goto out_overflow; | |
4298 | xdr_decode_hyper(p, res); | |
4299 | } | |
4300 | return 0; | |
4301 | out_overflow: | |
4302 | print_overflow_msg(__func__, xdr); | |
4303 | return -EIO; | |
4304 | } | |
4305 | ||
4306 | static int decode_first_threshold_item4(struct xdr_stream *xdr, | |
4307 | struct nfs4_threshold *res) | |
4308 | { | |
256e48bb TM |
4309 | __be32 *p; |
4310 | unsigned int savep; | |
88034c3d AA |
4311 | uint32_t bitmap[3] = {0,}, attrlen; |
4312 | int status; | |
4313 | ||
4314 | /* layout type */ | |
4315 | p = xdr_inline_decode(xdr, 4); | |
4316 | if (unlikely(!p)) { | |
4317 | print_overflow_msg(__func__, xdr); | |
4318 | return -EIO; | |
4319 | } | |
4320 | res->l_type = be32_to_cpup(p); | |
4321 | ||
4322 | /* thi_hintset bitmap */ | |
4323 | status = decode_attr_bitmap(xdr, bitmap); | |
4324 | if (status < 0) | |
4325 | goto xdr_error; | |
4326 | ||
4327 | /* thi_hintlist length */ | |
4328 | status = decode_attr_length(xdr, &attrlen, &savep); | |
4329 | if (status < 0) | |
4330 | goto xdr_error; | |
4331 | /* thi_hintlist */ | |
4332 | status = decode_threshold_hint(xdr, bitmap, &res->rd_sz, THRESHOLD_RD); | |
4333 | if (status < 0) | |
4334 | goto xdr_error; | |
4335 | status = decode_threshold_hint(xdr, bitmap, &res->wr_sz, THRESHOLD_WR); | |
4336 | if (status < 0) | |
4337 | goto xdr_error; | |
4338 | status = decode_threshold_hint(xdr, bitmap, &res->rd_io_sz, | |
4339 | THRESHOLD_RD_IO); | |
4340 | if (status < 0) | |
4341 | goto xdr_error; | |
4342 | status = decode_threshold_hint(xdr, bitmap, &res->wr_io_sz, | |
4343 | THRESHOLD_WR_IO); | |
4344 | if (status < 0) | |
4345 | goto xdr_error; | |
4346 | ||
4347 | status = verify_attr_len(xdr, savep, attrlen); | |
4348 | res->bm = bitmap[0]; | |
4349 | ||
4350 | dprintk("%s bm=0x%x rd_sz=%llu wr_sz=%llu rd_io=%llu wr_io=%llu\n", | |
4351 | __func__, res->bm, res->rd_sz, res->wr_sz, res->rd_io_sz, | |
4352 | res->wr_io_sz); | |
4353 | xdr_error: | |
4354 | dprintk("%s ret=%d!\n", __func__, status); | |
4355 | return status; | |
4356 | } | |
4357 | ||
4358 | /* | |
4359 | * Thresholds on pNFS direct I/O vrs MDS I/O | |
4360 | */ | |
4361 | static int decode_attr_mdsthreshold(struct xdr_stream *xdr, | |
4362 | uint32_t *bitmap, | |
4363 | struct nfs4_threshold *res) | |
4364 | { | |
4365 | __be32 *p; | |
4366 | int status = 0; | |
4367 | uint32_t num; | |
4368 | ||
4369 | if (unlikely(bitmap[2] & (FATTR4_WORD2_MDSTHRESHOLD - 1U))) | |
4370 | return -EIO; | |
029c5347 | 4371 | if (bitmap[2] & FATTR4_WORD2_MDSTHRESHOLD) { |
1549210f TM |
4372 | /* Did the server return an unrequested attribute? */ |
4373 | if (unlikely(res == NULL)) | |
4374 | return -EREMOTEIO; | |
88034c3d AA |
4375 | p = xdr_inline_decode(xdr, 4); |
4376 | if (unlikely(!p)) | |
4377 | goto out_overflow; | |
4378 | num = be32_to_cpup(p); | |
4379 | if (num == 0) | |
4380 | return 0; | |
4381 | if (num > 1) | |
4382 | printk(KERN_INFO "%s: Warning: Multiple pNFS layout " | |
4383 | "drivers per filesystem not supported\n", | |
4384 | __func__); | |
4385 | ||
4386 | status = decode_first_threshold_item4(xdr, res); | |
029c5347 | 4387 | bitmap[2] &= ~FATTR4_WORD2_MDSTHRESHOLD; |
88034c3d AA |
4388 | } |
4389 | return status; | |
4390 | out_overflow: | |
4391 | print_overflow_msg(__func__, xdr); | |
4392 | return -EIO; | |
4393 | } | |
4394 | ||
ae42c70a BS |
4395 | static int decode_getfattr_attrs(struct xdr_stream *xdr, uint32_t *bitmap, |
4396 | struct nfs_fattr *fattr, struct nfs_fh *fh, | |
8b7e3f49 | 4397 | struct nfs4_fs_locations *fs_loc, |
6926afd1 | 4398 | const struct nfs_server *server) |
1da177e4 | 4399 | { |
bca79478 TM |
4400 | int status; |
4401 | umode_t fmode = 0; | |
ae42c70a | 4402 | uint32_t type; |
ee7b75fc | 4403 | int32_t err; |
1da177e4 | 4404 | |
f26c7a78 TM |
4405 | status = decode_attr_type(xdr, bitmap, &type); |
4406 | if (status < 0) | |
1da177e4 | 4407 | goto xdr_error; |
409924e4 TM |
4408 | fattr->mode = 0; |
4409 | if (status != 0) { | |
4410 | fattr->mode |= nfs_type2fmt[type]; | |
4411 | fattr->valid |= status; | |
4412 | } | |
1da177e4 | 4413 | |
f26c7a78 TM |
4414 | status = decode_attr_change(xdr, bitmap, &fattr->change_attr); |
4415 | if (status < 0) | |
1da177e4 | 4416 | goto xdr_error; |
409924e4 | 4417 | fattr->valid |= status; |
f26c7a78 TM |
4418 | |
4419 | status = decode_attr_size(xdr, bitmap, &fattr->size); | |
4420 | if (status < 0) | |
1da177e4 | 4421 | goto xdr_error; |
409924e4 | 4422 | fattr->valid |= status; |
f26c7a78 TM |
4423 | |
4424 | status = decode_attr_fsid(xdr, bitmap, &fattr->fsid); | |
4425 | if (status < 0) | |
1da177e4 | 4426 | goto xdr_error; |
409924e4 | 4427 | fattr->valid |= status; |
f26c7a78 | 4428 | |
ee7b75fc TM |
4429 | err = 0; |
4430 | status = decode_attr_error(xdr, bitmap, &err); | |
ae42c70a BS |
4431 | if (status < 0) |
4432 | goto xdr_error; | |
4433 | ||
4434 | status = decode_attr_filehandle(xdr, bitmap, fh); | |
4435 | if (status < 0) | |
4436 | goto xdr_error; | |
4437 | ||
f26c7a78 TM |
4438 | status = decode_attr_fileid(xdr, bitmap, &fattr->fileid); |
4439 | if (status < 0) | |
1da177e4 | 4440 | goto xdr_error; |
409924e4 | 4441 | fattr->valid |= status; |
f26c7a78 | 4442 | |
8b7e3f49 | 4443 | status = decode_attr_fs_locations(xdr, bitmap, fs_loc); |
f26c7a78 | 4444 | if (status < 0) |
683b57b4 | 4445 | goto xdr_error; |
409924e4 | 4446 | fattr->valid |= status; |
f26c7a78 TM |
4447 | |
4448 | status = decode_attr_mode(xdr, bitmap, &fmode); | |
4449 | if (status < 0) | |
1da177e4 | 4450 | goto xdr_error; |
409924e4 TM |
4451 | if (status != 0) { |
4452 | fattr->mode |= fmode; | |
4453 | fattr->valid |= status; | |
4454 | } | |
f26c7a78 TM |
4455 | |
4456 | status = decode_attr_nlink(xdr, bitmap, &fattr->nlink); | |
4457 | if (status < 0) | |
1da177e4 | 4458 | goto xdr_error; |
409924e4 | 4459 | fattr->valid |= status; |
f26c7a78 | 4460 | |
6926afd1 | 4461 | status = decode_attr_owner(xdr, bitmap, server, &fattr->uid, fattr->owner_name); |
f26c7a78 | 4462 | if (status < 0) |
1da177e4 | 4463 | goto xdr_error; |
409924e4 | 4464 | fattr->valid |= status; |
f26c7a78 | 4465 | |
6926afd1 | 4466 | status = decode_attr_group(xdr, bitmap, server, &fattr->gid, fattr->group_name); |
f26c7a78 | 4467 | if (status < 0) |
1da177e4 | 4468 | goto xdr_error; |
409924e4 | 4469 | fattr->valid |= status; |
f26c7a78 TM |
4470 | |
4471 | status = decode_attr_rdev(xdr, bitmap, &fattr->rdev); | |
4472 | if (status < 0) | |
1da177e4 | 4473 | goto xdr_error; |
409924e4 | 4474 | fattr->valid |= status; |
f26c7a78 TM |
4475 | |
4476 | status = decode_attr_space_used(xdr, bitmap, &fattr->du.nfs3.used); | |
4477 | if (status < 0) | |
1da177e4 | 4478 | goto xdr_error; |
409924e4 | 4479 | fattr->valid |= status; |
f26c7a78 TM |
4480 | |
4481 | status = decode_attr_time_access(xdr, bitmap, &fattr->atime); | |
4482 | if (status < 0) | |
1da177e4 | 4483 | goto xdr_error; |
409924e4 | 4484 | fattr->valid |= status; |
f26c7a78 TM |
4485 | |
4486 | status = decode_attr_time_metadata(xdr, bitmap, &fattr->ctime); | |
4487 | if (status < 0) | |
1da177e4 | 4488 | goto xdr_error; |
409924e4 | 4489 | fattr->valid |= status; |
f26c7a78 TM |
4490 | |
4491 | status = decode_attr_time_modify(xdr, bitmap, &fattr->mtime); | |
4492 | if (status < 0) | |
1da177e4 | 4493 | goto xdr_error; |
409924e4 | 4494 | fattr->valid |= status; |
f26c7a78 | 4495 | |
28331a46 | 4496 | status = decode_attr_mounted_on_fileid(xdr, bitmap, &fattr->mounted_on_fileid); |
f26c7a78 | 4497 | if (status < 0) |
99baf625 | 4498 | goto xdr_error; |
28331a46 | 4499 | fattr->valid |= status; |
f26c7a78 | 4500 | |
88034c3d AA |
4501 | status = decode_attr_mdsthreshold(xdr, bitmap, fattr->mdsthreshold); |
4502 | if (status < 0) | |
4503 | goto xdr_error; | |
4504 | ||
ae42c70a BS |
4505 | xdr_error: |
4506 | dprintk("%s: xdr returned %d\n", __func__, -status); | |
4507 | return status; | |
4508 | } | |
4509 | ||
4510 | static int decode_getfattr_generic(struct xdr_stream *xdr, struct nfs_fattr *fattr, | |
8b7e3f49 TM |
4511 | struct nfs_fh *fh, struct nfs4_fs_locations *fs_loc, |
4512 | const struct nfs_server *server) | |
ae42c70a | 4513 | { |
256e48bb | 4514 | unsigned int savep; |
ae42c70a | 4515 | uint32_t attrlen, |
dae100c2 | 4516 | bitmap[3] = {0}; |
ae42c70a BS |
4517 | int status; |
4518 | ||
4519 | status = decode_op_hdr(xdr, OP_GETATTR); | |
4520 | if (status < 0) | |
4521 | goto xdr_error; | |
4522 | ||
4523 | status = decode_attr_bitmap(xdr, bitmap); | |
4524 | if (status < 0) | |
4525 | goto xdr_error; | |
4526 | ||
4527 | status = decode_attr_length(xdr, &attrlen, &savep); | |
4528 | if (status < 0) | |
4529 | goto xdr_error; | |
4530 | ||
8b7e3f49 | 4531 | status = decode_getfattr_attrs(xdr, bitmap, fattr, fh, fs_loc, server); |
ae42c70a BS |
4532 | if (status < 0) |
4533 | goto xdr_error; | |
4534 | ||
f26c7a78 | 4535 | status = verify_attr_len(xdr, savep, attrlen); |
1da177e4 | 4536 | xdr_error: |
3110ff80 | 4537 | dprintk("%s: xdr returned %d\n", __func__, -status); |
1da177e4 LT |
4538 | return status; |
4539 | } | |
4540 | ||
ae42c70a | 4541 | static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr, |
6926afd1 | 4542 | const struct nfs_server *server) |
ae42c70a | 4543 | { |
8b7e3f49 | 4544 | return decode_getfattr_generic(xdr, fattr, NULL, NULL, server); |
ae42c70a | 4545 | } |
1da177e4 | 4546 | |
504913fb AA |
4547 | /* |
4548 | * Decode potentially multiple layout types. Currently we only support | |
4549 | * one layout driver per file system. | |
4550 | */ | |
4551 | static int decode_first_pnfs_layout_type(struct xdr_stream *xdr, | |
4552 | uint32_t *layouttype) | |
4553 | { | |
4554 | uint32_t *p; | |
4555 | int num; | |
4556 | ||
4557 | p = xdr_inline_decode(xdr, 4); | |
4558 | if (unlikely(!p)) | |
4559 | goto out_overflow; | |
4560 | num = be32_to_cpup(p); | |
4561 | ||
4562 | /* pNFS is not supported by the underlying file system */ | |
4563 | if (num == 0) { | |
4564 | *layouttype = 0; | |
4565 | return 0; | |
4566 | } | |
4567 | if (num > 1) | |
a030889a WAA |
4568 | printk(KERN_INFO "NFS: %s: Warning: Multiple pNFS layout " |
4569 | "drivers per filesystem not supported\n", __func__); | |
504913fb AA |
4570 | |
4571 | /* Decode and set first layout type, move xdr->p past unused types */ | |
4572 | p = xdr_inline_decode(xdr, num * 4); | |
4573 | if (unlikely(!p)) | |
4574 | goto out_overflow; | |
4575 | *layouttype = be32_to_cpup(p); | |
4576 | return 0; | |
4577 | out_overflow: | |
4578 | print_overflow_msg(__func__, xdr); | |
4579 | return -EIO; | |
4580 | } | |
4581 | ||
4582 | /* | |
4583 | * The type of file system exported. | |
4584 | * Note we must ensure that layouttype is set in any non-error case. | |
4585 | */ | |
4586 | static int decode_attr_pnfstype(struct xdr_stream *xdr, uint32_t *bitmap, | |
4587 | uint32_t *layouttype) | |
4588 | { | |
4589 | int status = 0; | |
4590 | ||
4591 | dprintk("%s: bitmap is %x\n", __func__, bitmap[1]); | |
4592 | if (unlikely(bitmap[1] & (FATTR4_WORD1_FS_LAYOUT_TYPES - 1U))) | |
4593 | return -EIO; | |
4594 | if (bitmap[1] & FATTR4_WORD1_FS_LAYOUT_TYPES) { | |
4595 | status = decode_first_pnfs_layout_type(xdr, layouttype); | |
4596 | bitmap[1] &= ~FATTR4_WORD1_FS_LAYOUT_TYPES; | |
4597 | } else | |
4598 | *layouttype = 0; | |
4599 | return status; | |
4600 | } | |
4601 | ||
dae100c2 FI |
4602 | /* |
4603 | * The prefered block size for layout directed io | |
4604 | */ | |
4605 | static int decode_attr_layout_blksize(struct xdr_stream *xdr, uint32_t *bitmap, | |
4606 | uint32_t *res) | |
4607 | { | |
4608 | __be32 *p; | |
4609 | ||
4610 | dprintk("%s: bitmap is %x\n", __func__, bitmap[2]); | |
4611 | *res = 0; | |
4612 | if (bitmap[2] & FATTR4_WORD2_LAYOUT_BLKSIZE) { | |
4613 | p = xdr_inline_decode(xdr, 4); | |
4614 | if (unlikely(!p)) { | |
4615 | print_overflow_msg(__func__, xdr); | |
4616 | return -EIO; | |
4617 | } | |
4618 | *res = be32_to_cpup(p); | |
4619 | bitmap[2] &= ~FATTR4_WORD2_LAYOUT_BLKSIZE; | |
4620 | } | |
4621 | return 0; | |
4622 | } | |
4623 | ||
1da177e4 LT |
4624 | static int decode_fsinfo(struct xdr_stream *xdr, struct nfs_fsinfo *fsinfo) |
4625 | { | |
256e48bb | 4626 | unsigned int savep; |
dae100c2 | 4627 | uint32_t attrlen, bitmap[3]; |
1da177e4 LT |
4628 | int status; |
4629 | ||
4630 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
4631 | goto xdr_error; | |
4632 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4633 | goto xdr_error; | |
4634 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4635 | goto xdr_error; | |
4636 | ||
4637 | fsinfo->rtmult = fsinfo->wtmult = 512; /* ??? */ | |
4638 | ||
4639 | if ((status = decode_attr_lease_time(xdr, bitmap, &fsinfo->lease_time)) != 0) | |
4640 | goto xdr_error; | |
4641 | if ((status = decode_attr_maxfilesize(xdr, bitmap, &fsinfo->maxfilesize)) != 0) | |
4642 | goto xdr_error; | |
4643 | if ((status = decode_attr_maxread(xdr, bitmap, &fsinfo->rtmax)) != 0) | |
4644 | goto xdr_error; | |
4645 | fsinfo->rtpref = fsinfo->dtpref = fsinfo->rtmax; | |
4646 | if ((status = decode_attr_maxwrite(xdr, bitmap, &fsinfo->wtmax)) != 0) | |
4647 | goto xdr_error; | |
4648 | fsinfo->wtpref = fsinfo->wtmax; | |
55b6e774 | 4649 | status = decode_attr_time_delta(xdr, bitmap, &fsinfo->time_delta); |
504913fb AA |
4650 | if (status != 0) |
4651 | goto xdr_error; | |
4652 | status = decode_attr_pnfstype(xdr, bitmap, &fsinfo->layouttype); | |
55b6e774 RL |
4653 | if (status != 0) |
4654 | goto xdr_error; | |
dae100c2 FI |
4655 | status = decode_attr_layout_blksize(xdr, bitmap, &fsinfo->blksize); |
4656 | if (status) | |
4657 | goto xdr_error; | |
1da177e4 LT |
4658 | |
4659 | status = verify_attr_len(xdr, savep, attrlen); | |
4660 | xdr_error: | |
3110ff80 | 4661 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4662 | return status; |
4663 | } | |
4664 | ||
4665 | static int decode_getfh(struct xdr_stream *xdr, struct nfs_fh *fh) | |
4666 | { | |
8687b63a | 4667 | __be32 *p; |
1da177e4 LT |
4668 | uint32_t len; |
4669 | int status; | |
4670 | ||
9936781d TM |
4671 | /* Zero handle first to allow comparisons */ |
4672 | memset(fh, 0, sizeof(*fh)); | |
4673 | ||
1da177e4 LT |
4674 | status = decode_op_hdr(xdr, OP_GETFH); |
4675 | if (status) | |
4676 | return status; | |
1da177e4 | 4677 | |
c0eae66e BH |
4678 | p = xdr_inline_decode(xdr, 4); |
4679 | if (unlikely(!p)) | |
4680 | goto out_overflow; | |
cccddf4f | 4681 | len = be32_to_cpup(p); |
1da177e4 LT |
4682 | if (len > NFS4_FHSIZE) |
4683 | return -EIO; | |
4684 | fh->size = len; | |
c0eae66e BH |
4685 | p = xdr_inline_decode(xdr, len); |
4686 | if (unlikely(!p)) | |
4687 | goto out_overflow; | |
99398d06 | 4688 | memcpy(fh->data, p, len); |
1da177e4 | 4689 | return 0; |
c0eae66e BH |
4690 | out_overflow: |
4691 | print_overflow_msg(__func__, xdr); | |
4692 | return -EIO; | |
1da177e4 LT |
4693 | } |
4694 | ||
4695 | static int decode_link(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4696 | { | |
4697 | int status; | |
6c0195a4 | 4698 | |
1da177e4 LT |
4699 | status = decode_op_hdr(xdr, OP_LINK); |
4700 | if (status) | |
4701 | return status; | |
4702 | return decode_change_info(xdr, cinfo); | |
4703 | } | |
4704 | ||
4705 | /* | |
4706 | * We create the owner, so we know a proper owner.id length is 4. | |
4707 | */ | |
911d1aaf | 4708 | static int decode_lock_denied (struct xdr_stream *xdr, struct file_lock *fl) |
1da177e4 | 4709 | { |
911d1aaf | 4710 | uint64_t offset, length, clientid; |
8687b63a | 4711 | __be32 *p; |
911d1aaf | 4712 | uint32_t namelen, type; |
1da177e4 | 4713 | |
babddc72 | 4714 | p = xdr_inline_decode(xdr, 32); /* read 32 bytes */ |
c0eae66e BH |
4715 | if (unlikely(!p)) |
4716 | goto out_overflow; | |
babddc72 | 4717 | p = xdr_decode_hyper(p, &offset); /* read 2 8-byte long words */ |
3ceb4dbb | 4718 | p = xdr_decode_hyper(p, &length); |
babddc72 BS |
4719 | type = be32_to_cpup(p++); /* 4 byte read */ |
4720 | if (fl != NULL) { /* manipulate file lock */ | |
911d1aaf TM |
4721 | fl->fl_start = (loff_t)offset; |
4722 | fl->fl_end = fl->fl_start + (loff_t)length - 1; | |
4723 | if (length == ~(uint64_t)0) | |
4724 | fl->fl_end = OFFSET_MAX; | |
4725 | fl->fl_type = F_WRLCK; | |
4726 | if (type & 1) | |
4727 | fl->fl_type = F_RDLCK; | |
4728 | fl->fl_pid = 0; | |
4729 | } | |
babddc72 BS |
4730 | p = xdr_decode_hyper(p, &clientid); /* read 8 bytes */ |
4731 | namelen = be32_to_cpup(p); /* read 4 bytes */ /* have read all 32 bytes now */ | |
4732 | p = xdr_inline_decode(xdr, namelen); /* variable size field */ | |
c0eae66e BH |
4733 | if (likely(p)) |
4734 | return -NFS4ERR_DENIED; | |
4735 | out_overflow: | |
4736 | print_overflow_msg(__func__, xdr); | |
4737 | return -EIO; | |
1da177e4 LT |
4738 | } |
4739 | ||
911d1aaf | 4740 | static int decode_lock(struct xdr_stream *xdr, struct nfs_lock_res *res) |
1da177e4 | 4741 | { |
1da177e4 LT |
4742 | int status; |
4743 | ||
4744 | status = decode_op_hdr(xdr, OP_LOCK); | |
c1d51931 TM |
4745 | if (status == -EIO) |
4746 | goto out; | |
1da177e4 | 4747 | if (status == 0) { |
07d30434 BH |
4748 | status = decode_stateid(xdr, &res->stateid); |
4749 | if (unlikely(status)) | |
4750 | goto out; | |
1da177e4 | 4751 | } else if (status == -NFS4ERR_DENIED) |
c1d51931 TM |
4752 | status = decode_lock_denied(xdr, NULL); |
4753 | if (res->open_seqid != NULL) | |
4754 | nfs_increment_open_seqid(status, res->open_seqid); | |
4755 | nfs_increment_lock_seqid(status, res->lock_seqid); | |
4756 | out: | |
1da177e4 LT |
4757 | return status; |
4758 | } | |
4759 | ||
911d1aaf | 4760 | static int decode_lockt(struct xdr_stream *xdr, struct nfs_lockt_res *res) |
1da177e4 LT |
4761 | { |
4762 | int status; | |
4763 | status = decode_op_hdr(xdr, OP_LOCKT); | |
4764 | if (status == -NFS4ERR_DENIED) | |
911d1aaf | 4765 | return decode_lock_denied(xdr, res->denied); |
1da177e4 LT |
4766 | return status; |
4767 | } | |
4768 | ||
911d1aaf | 4769 | static int decode_locku(struct xdr_stream *xdr, struct nfs_locku_res *res) |
1da177e4 | 4770 | { |
1da177e4 LT |
4771 | int status; |
4772 | ||
4773 | status = decode_op_hdr(xdr, OP_LOCKU); | |
c1d51931 TM |
4774 | if (status != -EIO) |
4775 | nfs_increment_lock_seqid(status, res->seqid); | |
07d30434 BH |
4776 | if (status == 0) |
4777 | status = decode_stateid(xdr, &res->stateid); | |
1da177e4 LT |
4778 | return status; |
4779 | } | |
4780 | ||
d3c7b7cc TM |
4781 | static int decode_release_lockowner(struct xdr_stream *xdr) |
4782 | { | |
4783 | return decode_op_hdr(xdr, OP_RELEASE_LOCKOWNER); | |
4784 | } | |
4785 | ||
1da177e4 LT |
4786 | static int decode_lookup(struct xdr_stream *xdr) |
4787 | { | |
4788 | return decode_op_hdr(xdr, OP_LOOKUP); | |
4789 | } | |
4790 | ||
4791 | /* This is too sick! */ | |
4792 | static int decode_space_limit(struct xdr_stream *xdr, u64 *maxsize) | |
4793 | { | |
05d564fe | 4794 | __be32 *p; |
1da177e4 LT |
4795 | uint32_t limit_type, nblocks, blocksize; |
4796 | ||
c0eae66e BH |
4797 | p = xdr_inline_decode(xdr, 12); |
4798 | if (unlikely(!p)) | |
4799 | goto out_overflow; | |
6f723f77 | 4800 | limit_type = be32_to_cpup(p++); |
1da177e4 | 4801 | switch (limit_type) { |
05d564fe | 4802 | case 1: |
cccddf4f | 4803 | xdr_decode_hyper(p, maxsize); |
05d564fe AA |
4804 | break; |
4805 | case 2: | |
6f723f77 | 4806 | nblocks = be32_to_cpup(p++); |
cccddf4f | 4807 | blocksize = be32_to_cpup(p); |
05d564fe | 4808 | *maxsize = (uint64_t)nblocks * (uint64_t)blocksize; |
1da177e4 LT |
4809 | } |
4810 | return 0; | |
c0eae66e BH |
4811 | out_overflow: |
4812 | print_overflow_msg(__func__, xdr); | |
4813 | return -EIO; | |
1da177e4 LT |
4814 | } |
4815 | ||
4816 | static int decode_delegation(struct xdr_stream *xdr, struct nfs_openres *res) | |
4817 | { | |
05d564fe AA |
4818 | __be32 *p; |
4819 | uint32_t delegation_type; | |
07d30434 | 4820 | int status; |
1da177e4 | 4821 | |
c0eae66e BH |
4822 | p = xdr_inline_decode(xdr, 4); |
4823 | if (unlikely(!p)) | |
4824 | goto out_overflow; | |
cccddf4f | 4825 | delegation_type = be32_to_cpup(p); |
1da177e4 LT |
4826 | if (delegation_type == NFS4_OPEN_DELEGATE_NONE) { |
4827 | res->delegation_type = 0; | |
4828 | return 0; | |
4829 | } | |
07d30434 BH |
4830 | status = decode_stateid(xdr, &res->delegation); |
4831 | if (unlikely(status)) | |
4832 | return status; | |
c0eae66e BH |
4833 | p = xdr_inline_decode(xdr, 4); |
4834 | if (unlikely(!p)) | |
4835 | goto out_overflow; | |
cccddf4f | 4836 | res->do_recall = be32_to_cpup(p); |
05d564fe | 4837 | |
1da177e4 | 4838 | switch (delegation_type) { |
05d564fe AA |
4839 | case NFS4_OPEN_DELEGATE_READ: |
4840 | res->delegation_type = FMODE_READ; | |
4841 | break; | |
4842 | case NFS4_OPEN_DELEGATE_WRITE: | |
4843 | res->delegation_type = FMODE_WRITE|FMODE_READ; | |
4844 | if (decode_space_limit(xdr, &res->maxsize) < 0) | |
1da177e4 LT |
4845 | return -EIO; |
4846 | } | |
7539bbab | 4847 | return decode_ace(xdr, NULL, res->server->nfs_client); |
c0eae66e BH |
4848 | out_overflow: |
4849 | print_overflow_msg(__func__, xdr); | |
4850 | return -EIO; | |
1da177e4 LT |
4851 | } |
4852 | ||
4853 | static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res) | |
4854 | { | |
05d564fe | 4855 | __be32 *p; |
aa53ed54 | 4856 | uint32_t savewords, bmlen, i; |
05d564fe | 4857 | int status; |
1da177e4 | 4858 | |
afce3609 TM |
4859 | if (!__decode_op_hdr(xdr, OP_OPEN, &status)) |
4860 | return status; | |
4861 | nfs_increment_open_seqid(status, res->seqid); | |
4862 | if (status) | |
4863 | return status; | |
4864 | status = decode_stateid(xdr, &res->stateid); | |
07d30434 | 4865 | if (unlikely(status)) |
05d564fe | 4866 | return status; |
1da177e4 | 4867 | |
05d564fe | 4868 | decode_change_info(xdr, &res->cinfo); |
1da177e4 | 4869 | |
c0eae66e BH |
4870 | p = xdr_inline_decode(xdr, 8); |
4871 | if (unlikely(!p)) | |
4872 | goto out_overflow; | |
6f723f77 | 4873 | res->rflags = be32_to_cpup(p++); |
cccddf4f | 4874 | bmlen = be32_to_cpup(p); |
05d564fe AA |
4875 | if (bmlen > 10) |
4876 | goto xdr_error; | |
1da177e4 | 4877 | |
c0eae66e BH |
4878 | p = xdr_inline_decode(xdr, bmlen << 2); |
4879 | if (unlikely(!p)) | |
4880 | goto out_overflow; | |
aa53ed54 JL |
4881 | savewords = min_t(uint32_t, bmlen, NFS4_BITMAP_SIZE); |
4882 | for (i = 0; i < savewords; ++i) | |
6f723f77 | 4883 | res->attrset[i] = be32_to_cpup(p++); |
aa53ed54 JL |
4884 | for (; i < NFS4_BITMAP_SIZE; i++) |
4885 | res->attrset[i] = 0; | |
4886 | ||
1da177e4 LT |
4887 | return decode_delegation(xdr, res); |
4888 | xdr_error: | |
3110ff80 | 4889 | dprintk("%s: Bitmap too large! Length = %u\n", __func__, bmlen); |
1da177e4 | 4890 | return -EIO; |
c0eae66e BH |
4891 | out_overflow: |
4892 | print_overflow_msg(__func__, xdr); | |
4893 | return -EIO; | |
1da177e4 LT |
4894 | } |
4895 | ||
4896 | static int decode_open_confirm(struct xdr_stream *xdr, struct nfs_open_confirmres *res) | |
4897 | { | |
1da177e4 LT |
4898 | int status; |
4899 | ||
05d564fe | 4900 | status = decode_op_hdr(xdr, OP_OPEN_CONFIRM); |
c1d51931 TM |
4901 | if (status != -EIO) |
4902 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4903 | if (!status) |
4904 | status = decode_stateid(xdr, &res->stateid); | |
4905 | return status; | |
1da177e4 LT |
4906 | } |
4907 | ||
4908 | static int decode_open_downgrade(struct xdr_stream *xdr, struct nfs_closeres *res) | |
4909 | { | |
1da177e4 LT |
4910 | int status; |
4911 | ||
4912 | status = decode_op_hdr(xdr, OP_OPEN_DOWNGRADE); | |
c1d51931 TM |
4913 | if (status != -EIO) |
4914 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4915 | if (!status) |
4916 | status = decode_stateid(xdr, &res->stateid); | |
4917 | return status; | |
1da177e4 LT |
4918 | } |
4919 | ||
4920 | static int decode_putfh(struct xdr_stream *xdr) | |
4921 | { | |
4922 | return decode_op_hdr(xdr, OP_PUTFH); | |
4923 | } | |
4924 | ||
4925 | static int decode_putrootfh(struct xdr_stream *xdr) | |
4926 | { | |
4927 | return decode_op_hdr(xdr, OP_PUTROOTFH); | |
4928 | } | |
4929 | ||
4930 | static int decode_read(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs_readres *res) | |
4931 | { | |
8687b63a | 4932 | __be32 *p; |
64bd577e | 4933 | uint32_t count, eof, recvd; |
1da177e4 LT |
4934 | int status; |
4935 | ||
4936 | status = decode_op_hdr(xdr, OP_READ); | |
4937 | if (status) | |
4938 | return status; | |
c0eae66e BH |
4939 | p = xdr_inline_decode(xdr, 8); |
4940 | if (unlikely(!p)) | |
4941 | goto out_overflow; | |
6f723f77 | 4942 | eof = be32_to_cpup(p++); |
cccddf4f | 4943 | count = be32_to_cpup(p); |
64bd577e | 4944 | recvd = xdr_read_pages(xdr, count); |
1da177e4 | 4945 | if (count > recvd) { |
fe82a183 | 4946 | dprintk("NFS: server cheating in read reply: " |
1da177e4 LT |
4947 | "count %u > recvd %u\n", count, recvd); |
4948 | count = recvd; | |
4949 | eof = 0; | |
4950 | } | |
1da177e4 LT |
4951 | res->eof = eof; |
4952 | res->count = count; | |
4953 | return 0; | |
c0eae66e BH |
4954 | out_overflow: |
4955 | print_overflow_msg(__func__, xdr); | |
4956 | return -EIO; | |
1da177e4 LT |
4957 | } |
4958 | ||
4959 | static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs4_readdir_res *readdir) | |
4960 | { | |
bcecff77 | 4961 | int status; |
cd93710e | 4962 | __be32 verf[2]; |
1da177e4 LT |
4963 | |
4964 | status = decode_op_hdr(xdr, OP_READDIR); | |
db942bbd BH |
4965 | if (!status) |
4966 | status = decode_verifier(xdr, readdir->verifier.data); | |
4967 | if (unlikely(status)) | |
1da177e4 | 4968 | return status; |
cd93710e | 4969 | memcpy(verf, readdir->verifier.data, sizeof(verf)); |
44109241 | 4970 | dprintk("%s: verifier = %08x:%08x\n", |
cd93710e | 4971 | __func__, verf[0], verf[1]); |
64bd577e | 4972 | return xdr_read_pages(xdr, xdr->buf->page_len); |
1da177e4 LT |
4973 | } |
4974 | ||
4975 | static int decode_readlink(struct xdr_stream *xdr, struct rpc_rqst *req) | |
4976 | { | |
4977 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; | |
bcecff77 | 4978 | u32 len, recvd; |
8687b63a | 4979 | __be32 *p; |
1da177e4 LT |
4980 | int status; |
4981 | ||
4982 | status = decode_op_hdr(xdr, OP_READLINK); | |
4983 | if (status) | |
4984 | return status; | |
4985 | ||
4986 | /* Convert length of symlink */ | |
c0eae66e BH |
4987 | p = xdr_inline_decode(xdr, 4); |
4988 | if (unlikely(!p)) | |
4989 | goto out_overflow; | |
cccddf4f | 4990 | len = be32_to_cpup(p); |
1da177e4 | 4991 | if (len >= rcvbuf->page_len || len <= 0) { |
fe82a183 | 4992 | dprintk("nfs: server returned giant symlink!\n"); |
1da177e4 LT |
4993 | return -ENAMETOOLONG; |
4994 | } | |
64bd577e | 4995 | recvd = xdr_read_pages(xdr, len); |
1da177e4 | 4996 | if (recvd < len) { |
fe82a183 | 4997 | dprintk("NFS: server cheating in readlink reply: " |
1da177e4 LT |
4998 | "count %u > recvd %u\n", len, recvd); |
4999 | return -EIO; | |
5000 | } | |
1da177e4 LT |
5001 | /* |
5002 | * The XDR encode routine has set things up so that | |
5003 | * the link text will be copied directly into the | |
5004 | * buffer. We just have to do overflow-checking, | |
5005 | * and and null-terminate the text (the VFS expects | |
5006 | * null-termination). | |
5007 | */ | |
b4687da7 | 5008 | xdr_terminate_string(rcvbuf, len); |
1da177e4 | 5009 | return 0; |
c0eae66e BH |
5010 | out_overflow: |
5011 | print_overflow_msg(__func__, xdr); | |
5012 | return -EIO; | |
1da177e4 LT |
5013 | } |
5014 | ||
5015 | static int decode_remove(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
5016 | { | |
5017 | int status; | |
5018 | ||
5019 | status = decode_op_hdr(xdr, OP_REMOVE); | |
5020 | if (status) | |
5021 | goto out; | |
5022 | status = decode_change_info(xdr, cinfo); | |
5023 | out: | |
5024 | return status; | |
5025 | } | |
5026 | ||
5027 | static int decode_rename(struct xdr_stream *xdr, struct nfs4_change_info *old_cinfo, | |
5028 | struct nfs4_change_info *new_cinfo) | |
5029 | { | |
5030 | int status; | |
5031 | ||
5032 | status = decode_op_hdr(xdr, OP_RENAME); | |
5033 | if (status) | |
5034 | goto out; | |
5035 | if ((status = decode_change_info(xdr, old_cinfo))) | |
5036 | goto out; | |
5037 | status = decode_change_info(xdr, new_cinfo); | |
5038 | out: | |
5039 | return status; | |
5040 | } | |
5041 | ||
5042 | static int decode_renew(struct xdr_stream *xdr) | |
5043 | { | |
5044 | return decode_op_hdr(xdr, OP_RENEW); | |
5045 | } | |
5046 | ||
56ae19f3 TM |
5047 | static int |
5048 | decode_restorefh(struct xdr_stream *xdr) | |
5049 | { | |
5050 | return decode_op_hdr(xdr, OP_RESTOREFH); | |
5051 | } | |
5052 | ||
029d105e | 5053 | static int decode_getacl(struct xdr_stream *xdr, struct rpc_rqst *req, |
bf118a34 | 5054 | struct nfs_getaclres *res) |
029d105e | 5055 | { |
256e48bb | 5056 | unsigned int savep; |
029d105e | 5057 | uint32_t attrlen, |
dae100c2 | 5058 | bitmap[3] = {0}; |
029d105e | 5059 | int status; |
cff298c7 | 5060 | unsigned int pg_offset; |
029d105e | 5061 | |
bf118a34 | 5062 | res->acl_len = 0; |
029d105e BF |
5063 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
5064 | goto out; | |
5a006899 | 5065 | |
519d3959 TM |
5066 | xdr_enter_page(xdr, xdr->buf->page_len); |
5067 | ||
cff298c7 TM |
5068 | /* Calculate the offset of the page data */ |
5069 | pg_offset = xdr->buf->head[0].iov_len; | |
5a006899 | 5070 | |
029d105e BF |
5071 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) |
5072 | goto out; | |
5073 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
5074 | goto out; | |
5075 | ||
5076 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACL - 1U))) | |
5077 | return -EIO; | |
5078 | if (likely(bitmap[0] & FATTR4_WORD0_ACL)) { | |
029d105e | 5079 | |
bf118a34 AA |
5080 | /* The bitmap (xdr len + bitmaps) and the attr xdr len words |
5081 | * are stored with the acl data to handle the problem of | |
5082 | * variable length bitmaps.*/ | |
cff298c7 | 5083 | res->acl_data_offset = xdr_stream_pos(xdr) - pg_offset; |
519d3959 | 5084 | res->acl_len = attrlen; |
1f1ea6c2 TM |
5085 | |
5086 | /* Check for receive buffer overflow */ | |
5087 | if (res->acl_len > (xdr->nwords << 2) || | |
5088 | res->acl_len + res->acl_data_offset > xdr->buf->page_len) { | |
5089 | res->acl_flags |= NFS4_ACL_TRUNC; | |
519d3959 | 5090 | dprintk("NFS: acl reply: attrlen %u > page_len %u\n", |
cff298c7 | 5091 | attrlen, xdr->nwords << 2); |
029d105e | 5092 | } |
8c233cf9 BF |
5093 | } else |
5094 | status = -EOPNOTSUPP; | |
029d105e BF |
5095 | |
5096 | out: | |
5097 | return status; | |
5098 | } | |
5099 | ||
1da177e4 LT |
5100 | static int |
5101 | decode_savefh(struct xdr_stream *xdr) | |
5102 | { | |
5103 | return decode_op_hdr(xdr, OP_SAVEFH); | |
5104 | } | |
5105 | ||
9e9ecc03 | 5106 | static int decode_setattr(struct xdr_stream *xdr) |
1da177e4 | 5107 | { |
8687b63a | 5108 | __be32 *p; |
1da177e4 LT |
5109 | uint32_t bmlen; |
5110 | int status; | |
5111 | ||
1da177e4 LT |
5112 | status = decode_op_hdr(xdr, OP_SETATTR); |
5113 | if (status) | |
5114 | return status; | |
c0eae66e BH |
5115 | p = xdr_inline_decode(xdr, 4); |
5116 | if (unlikely(!p)) | |
5117 | goto out_overflow; | |
cccddf4f | 5118 | bmlen = be32_to_cpup(p); |
c0eae66e BH |
5119 | p = xdr_inline_decode(xdr, bmlen << 2); |
5120 | if (likely(p)) | |
5121 | return 0; | |
5122 | out_overflow: | |
5123 | print_overflow_msg(__func__, xdr); | |
5124 | return -EIO; | |
1da177e4 LT |
5125 | } |
5126 | ||
bb8b27e5 | 5127 | static int decode_setclientid(struct xdr_stream *xdr, struct nfs4_setclientid_res *res) |
1da177e4 | 5128 | { |
8687b63a | 5129 | __be32 *p; |
1da177e4 LT |
5130 | uint32_t opnum; |
5131 | int32_t nfserr; | |
5132 | ||
c0eae66e BH |
5133 | p = xdr_inline_decode(xdr, 8); |
5134 | if (unlikely(!p)) | |
5135 | goto out_overflow; | |
6f723f77 | 5136 | opnum = be32_to_cpup(p++); |
1da177e4 | 5137 | if (opnum != OP_SETCLIENTID) { |
fe82a183 | 5138 | dprintk("nfs: decode_setclientid: Server returned operation" |
6c0195a4 | 5139 | " %d\n", opnum); |
1da177e4 LT |
5140 | return -EIO; |
5141 | } | |
cccddf4f | 5142 | nfserr = be32_to_cpup(p); |
1da177e4 | 5143 | if (nfserr == NFS_OK) { |
c0eae66e BH |
5144 | p = xdr_inline_decode(xdr, 8 + NFS4_VERIFIER_SIZE); |
5145 | if (unlikely(!p)) | |
5146 | goto out_overflow; | |
bb8b27e5 TM |
5147 | p = xdr_decode_hyper(p, &res->clientid); |
5148 | memcpy(res->confirm.data, p, NFS4_VERIFIER_SIZE); | |
1da177e4 LT |
5149 | } else if (nfserr == NFSERR_CLID_INUSE) { |
5150 | uint32_t len; | |
5151 | ||
5152 | /* skip netid string */ | |
c0eae66e BH |
5153 | p = xdr_inline_decode(xdr, 4); |
5154 | if (unlikely(!p)) | |
5155 | goto out_overflow; | |
cccddf4f | 5156 | len = be32_to_cpup(p); |
c0eae66e BH |
5157 | p = xdr_inline_decode(xdr, len); |
5158 | if (unlikely(!p)) | |
5159 | goto out_overflow; | |
1da177e4 LT |
5160 | |
5161 | /* skip uaddr string */ | |
c0eae66e BH |
5162 | p = xdr_inline_decode(xdr, 4); |
5163 | if (unlikely(!p)) | |
5164 | goto out_overflow; | |
cccddf4f | 5165 | len = be32_to_cpup(p); |
c0eae66e BH |
5166 | p = xdr_inline_decode(xdr, len); |
5167 | if (unlikely(!p)) | |
5168 | goto out_overflow; | |
1da177e4 LT |
5169 | return -NFSERR_CLID_INUSE; |
5170 | } else | |
856dff3d | 5171 | return nfs4_stat_to_errno(nfserr); |
1da177e4 LT |
5172 | |
5173 | return 0; | |
c0eae66e BH |
5174 | out_overflow: |
5175 | print_overflow_msg(__func__, xdr); | |
5176 | return -EIO; | |
1da177e4 LT |
5177 | } |
5178 | ||
5179 | static int decode_setclientid_confirm(struct xdr_stream *xdr) | |
5180 | { | |
5181 | return decode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM); | |
5182 | } | |
5183 | ||
5184 | static int decode_write(struct xdr_stream *xdr, struct nfs_writeres *res) | |
5185 | { | |
8687b63a | 5186 | __be32 *p; |
1da177e4 LT |
5187 | int status; |
5188 | ||
5189 | status = decode_op_hdr(xdr, OP_WRITE); | |
5190 | if (status) | |
5191 | return status; | |
5192 | ||
2f2c63bc | 5193 | p = xdr_inline_decode(xdr, 8); |
c0eae66e BH |
5194 | if (unlikely(!p)) |
5195 | goto out_overflow; | |
6f723f77 BH |
5196 | res->count = be32_to_cpup(p++); |
5197 | res->verf->committed = be32_to_cpup(p++); | |
2f2c63bc | 5198 | return decode_write_verifier(xdr, &res->verf->verifier); |
c0eae66e BH |
5199 | out_overflow: |
5200 | print_overflow_msg(__func__, xdr); | |
5201 | return -EIO; | |
1da177e4 LT |
5202 | } |
5203 | ||
5204 | static int decode_delegreturn(struct xdr_stream *xdr) | |
5205 | { | |
5206 | return decode_op_hdr(xdr, OP_DELEGRETURN); | |
5207 | } | |
5208 | ||
fb15b26f CL |
5209 | static int decode_secinfo_gss(struct xdr_stream *xdr, |
5210 | struct nfs4_secinfo4 *flavor) | |
5a5ea0d4 | 5211 | { |
fb15b26f | 5212 | u32 oid_len; |
5a5ea0d4 BS |
5213 | __be32 *p; |
5214 | ||
5215 | p = xdr_inline_decode(xdr, 4); | |
5216 | if (unlikely(!p)) | |
5217 | goto out_overflow; | |
fb15b26f CL |
5218 | oid_len = be32_to_cpup(p); |
5219 | if (oid_len > GSS_OID_MAX_LEN) | |
5a5ea0d4 BS |
5220 | goto out_err; |
5221 | ||
fb15b26f | 5222 | p = xdr_inline_decode(xdr, oid_len); |
5a5ea0d4 BS |
5223 | if (unlikely(!p)) |
5224 | goto out_overflow; | |
fb15b26f CL |
5225 | memcpy(flavor->flavor_info.oid.data, p, oid_len); |
5226 | flavor->flavor_info.oid.len = oid_len; | |
5a5ea0d4 BS |
5227 | |
5228 | p = xdr_inline_decode(xdr, 8); | |
5229 | if (unlikely(!p)) | |
5230 | goto out_overflow; | |
fb15b26f CL |
5231 | flavor->flavor_info.qop = be32_to_cpup(p++); |
5232 | flavor->flavor_info.service = be32_to_cpup(p); | |
5a5ea0d4 BS |
5233 | |
5234 | return 0; | |
5235 | ||
5236 | out_overflow: | |
5237 | print_overflow_msg(__func__, xdr); | |
5238 | return -EIO; | |
5239 | out_err: | |
5240 | return -EINVAL; | |
5241 | } | |
5242 | ||
31e4dda4 | 5243 | static int decode_secinfo_common(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
5a5ea0d4 | 5244 | { |
fb15b26f CL |
5245 | struct nfs4_secinfo4 *sec_flavor; |
5246 | unsigned int i, num_flavors; | |
5a5ea0d4 BS |
5247 | int status; |
5248 | __be32 *p; | |
5a5ea0d4 | 5249 | |
5a5ea0d4 BS |
5250 | p = xdr_inline_decode(xdr, 4); |
5251 | if (unlikely(!p)) | |
5252 | goto out_overflow; | |
5a5ea0d4 | 5253 | |
c3dfc280 BS |
5254 | res->flavors->num_flavors = 0; |
5255 | num_flavors = be32_to_cpup(p); | |
5256 | ||
5257 | for (i = 0; i < num_flavors; i++) { | |
5a5ea0d4 | 5258 | sec_flavor = &res->flavors->flavors[i]; |
c3dfc280 | 5259 | if ((char *)&sec_flavor[1] - (char *)res->flavors > PAGE_SIZE) |
5a5ea0d4 BS |
5260 | break; |
5261 | ||
5262 | p = xdr_inline_decode(xdr, 4); | |
5263 | if (unlikely(!p)) | |
5264 | goto out_overflow; | |
5265 | sec_flavor->flavor = be32_to_cpup(p); | |
5266 | ||
5267 | if (sec_flavor->flavor == RPC_AUTH_GSS) { | |
613e901e BS |
5268 | status = decode_secinfo_gss(xdr, sec_flavor); |
5269 | if (status) | |
5270 | goto out; | |
5a5ea0d4 | 5271 | } |
c3dfc280 | 5272 | res->flavors->num_flavors++; |
5a5ea0d4 BS |
5273 | } |
5274 | ||
31e4dda4 | 5275 | status = 0; |
613e901e BS |
5276 | out: |
5277 | return status; | |
5a5ea0d4 BS |
5278 | out_overflow: |
5279 | print_overflow_msg(__func__, xdr); | |
5280 | return -EIO; | |
5281 | } | |
5282 | ||
31e4dda4 BS |
5283 | static int decode_secinfo(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
5284 | { | |
5285 | int status = decode_op_hdr(xdr, OP_SECINFO); | |
5286 | if (status) | |
5287 | return status; | |
5288 | return decode_secinfo_common(xdr, res); | |
5289 | } | |
5290 | ||
99fe60d0 | 5291 | #if defined(CONFIG_NFS_V4_1) |
31e4dda4 BS |
5292 | static int decode_secinfo_no_name(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
5293 | { | |
5294 | int status = decode_op_hdr(xdr, OP_SECINFO_NO_NAME); | |
5295 | if (status) | |
5296 | return status; | |
5297 | return decode_secinfo_common(xdr, res); | |
5298 | } | |
5299 | ||
99fe60d0 BH |
5300 | static int decode_exchange_id(struct xdr_stream *xdr, |
5301 | struct nfs41_exchange_id_res *res) | |
5302 | { | |
5303 | __be32 *p; | |
5304 | uint32_t dummy; | |
2460ba57 | 5305 | char *dummy_str; |
99fe60d0 | 5306 | int status; |
7d2ed9ac | 5307 | uint32_t impl_id_count; |
99fe60d0 BH |
5308 | |
5309 | status = decode_op_hdr(xdr, OP_EXCHANGE_ID); | |
5310 | if (status) | |
5311 | return status; | |
5312 | ||
c0eae66e BH |
5313 | p = xdr_inline_decode(xdr, 8); |
5314 | if (unlikely(!p)) | |
5315 | goto out_overflow; | |
32b01310 | 5316 | xdr_decode_hyper(p, &res->clientid); |
c0eae66e BH |
5317 | p = xdr_inline_decode(xdr, 12); |
5318 | if (unlikely(!p)) | |
5319 | goto out_overflow; | |
32b01310 TM |
5320 | res->seqid = be32_to_cpup(p++); |
5321 | res->flags = be32_to_cpup(p++); | |
99fe60d0 BH |
5322 | |
5323 | /* We ask for SP4_NONE */ | |
cccddf4f | 5324 | dummy = be32_to_cpup(p); |
99fe60d0 BH |
5325 | if (dummy != SP4_NONE) |
5326 | return -EIO; | |
5327 | ||
acdeb69d | 5328 | /* server_owner4.so_minor_id */ |
c0eae66e BH |
5329 | p = xdr_inline_decode(xdr, 8); |
5330 | if (unlikely(!p)) | |
5331 | goto out_overflow; | |
acdeb69d | 5332 | p = xdr_decode_hyper(p, &res->server_owner->minor_id); |
99fe60d0 | 5333 | |
acdeb69d | 5334 | /* server_owner4.so_major_id */ |
2460ba57 BH |
5335 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
5336 | if (unlikely(status)) | |
5337 | return status; | |
acdeb69d CL |
5338 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) |
5339 | return -EIO; | |
5340 | memcpy(res->server_owner->major_id, dummy_str, dummy); | |
5341 | res->server_owner->major_id_sz = dummy; | |
99fe60d0 | 5342 | |
acdeb69d | 5343 | /* server_scope4 */ |
2460ba57 BH |
5344 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
5345 | if (unlikely(status)) | |
5346 | return status; | |
78fe0f41 WAA |
5347 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) |
5348 | return -EIO; | |
78fe0f41 WAA |
5349 | memcpy(res->server_scope->server_scope, dummy_str, dummy); |
5350 | res->server_scope->server_scope_sz = dummy; | |
5351 | ||
7d2ed9ac WAA |
5352 | /* Implementation Id */ |
5353 | p = xdr_inline_decode(xdr, 4); | |
5354 | if (unlikely(!p)) | |
5355 | goto out_overflow; | |
5356 | impl_id_count = be32_to_cpup(p++); | |
99fe60d0 | 5357 | |
7d2ed9ac WAA |
5358 | if (impl_id_count) { |
5359 | /* nii_domain */ | |
5360 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); | |
5361 | if (unlikely(status)) | |
5362 | return status; | |
5363 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) | |
5364 | return -EIO; | |
5365 | memcpy(res->impl_id->domain, dummy_str, dummy); | |
5366 | ||
5367 | /* nii_name */ | |
5368 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); | |
5369 | if (unlikely(status)) | |
5370 | return status; | |
5371 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) | |
5372 | return -EIO; | |
5373 | memcpy(res->impl_id->name, dummy_str, dummy); | |
5374 | ||
5375 | /* nii_date */ | |
5376 | p = xdr_inline_decode(xdr, 12); | |
5377 | if (unlikely(!p)) | |
5378 | goto out_overflow; | |
5379 | p = xdr_decode_hyper(p, &res->impl_id->date.seconds); | |
5380 | res->impl_id->date.nseconds = be32_to_cpup(p); | |
5381 | ||
5382 | /* if there's more than one entry, ignore the rest */ | |
5383 | } | |
99fe60d0 | 5384 | return 0; |
c0eae66e BH |
5385 | out_overflow: |
5386 | print_overflow_msg(__func__, xdr); | |
5387 | return -EIO; | |
99fe60d0 | 5388 | } |
fc931582 AA |
5389 | |
5390 | static int decode_chan_attrs(struct xdr_stream *xdr, | |
5391 | struct nfs4_channel_attrs *attrs) | |
5392 | { | |
5393 | __be32 *p; | |
c9c30dd5 | 5394 | u32 nr_attrs, val; |
fc931582 | 5395 | |
c0eae66e BH |
5396 | p = xdr_inline_decode(xdr, 28); |
5397 | if (unlikely(!p)) | |
5398 | goto out_overflow; | |
c9c30dd5 BH |
5399 | val = be32_to_cpup(p++); /* headerpadsz */ |
5400 | if (val) | |
5401 | return -EINVAL; /* no support for header padding yet */ | |
6f723f77 BH |
5402 | attrs->max_rqst_sz = be32_to_cpup(p++); |
5403 | attrs->max_resp_sz = be32_to_cpup(p++); | |
5404 | attrs->max_resp_sz_cached = be32_to_cpup(p++); | |
5405 | attrs->max_ops = be32_to_cpup(p++); | |
5406 | attrs->max_reqs = be32_to_cpup(p++); | |
cccddf4f | 5407 | nr_attrs = be32_to_cpup(p); |
fc931582 | 5408 | if (unlikely(nr_attrs > 1)) { |
a030889a WAA |
5409 | printk(KERN_WARNING "NFS: %s: Invalid rdma channel attrs " |
5410 | "count %u\n", __func__, nr_attrs); | |
fc931582 AA |
5411 | return -EINVAL; |
5412 | } | |
c0eae66e BH |
5413 | if (nr_attrs == 1) { |
5414 | p = xdr_inline_decode(xdr, 4); /* skip rdma_attrs */ | |
5415 | if (unlikely(!p)) | |
5416 | goto out_overflow; | |
5417 | } | |
fc931582 | 5418 | return 0; |
c0eae66e BH |
5419 | out_overflow: |
5420 | print_overflow_msg(__func__, xdr); | |
5421 | return -EIO; | |
fc931582 AA |
5422 | } |
5423 | ||
e78291e4 BH |
5424 | static int decode_sessionid(struct xdr_stream *xdr, struct nfs4_sessionid *sid) |
5425 | { | |
5426 | return decode_opaque_fixed(xdr, sid->data, NFS4_MAX_SESSIONID_LEN); | |
fc931582 AA |
5427 | } |
5428 | ||
7c44f1ae WAA |
5429 | static int decode_bind_conn_to_session(struct xdr_stream *xdr, |
5430 | struct nfs41_bind_conn_to_session_res *res) | |
5431 | { | |
5432 | __be32 *p; | |
5433 | int status; | |
5434 | ||
5435 | status = decode_op_hdr(xdr, OP_BIND_CONN_TO_SESSION); | |
5436 | if (!status) | |
5437 | status = decode_sessionid(xdr, &res->session->sess_id); | |
5438 | if (unlikely(status)) | |
5439 | return status; | |
5440 | ||
5441 | /* dir flags, rdma mode bool */ | |
5442 | p = xdr_inline_decode(xdr, 8); | |
5443 | if (unlikely(!p)) | |
5444 | goto out_overflow; | |
5445 | ||
5446 | res->dir = be32_to_cpup(p++); | |
5447 | if (res->dir == 0 || res->dir > NFS4_CDFS4_BOTH) | |
5448 | return -EIO; | |
5449 | if (be32_to_cpup(p) == 0) | |
5450 | res->use_conn_in_rdma_mode = false; | |
5451 | else | |
5452 | res->use_conn_in_rdma_mode = true; | |
5453 | ||
5454 | return 0; | |
5455 | out_overflow: | |
5456 | print_overflow_msg(__func__, xdr); | |
5457 | return -EIO; | |
5458 | } | |
5459 | ||
fc931582 AA |
5460 | static int decode_create_session(struct xdr_stream *xdr, |
5461 | struct nfs41_create_session_res *res) | |
5462 | { | |
5463 | __be32 *p; | |
5464 | int status; | |
5465 | struct nfs_client *clp = res->client; | |
5466 | struct nfs4_session *session = clp->cl_session; | |
5467 | ||
5468 | status = decode_op_hdr(xdr, OP_CREATE_SESSION); | |
e78291e4 BH |
5469 | if (!status) |
5470 | status = decode_sessionid(xdr, &session->sess_id); | |
5471 | if (unlikely(status)) | |
fc931582 AA |
5472 | return status; |
5473 | ||
fc931582 | 5474 | /* seqid, flags */ |
c0eae66e BH |
5475 | p = xdr_inline_decode(xdr, 8); |
5476 | if (unlikely(!p)) | |
5477 | goto out_overflow; | |
6f723f77 | 5478 | clp->cl_seqid = be32_to_cpup(p++); |
cccddf4f | 5479 | session->flags = be32_to_cpup(p); |
fc931582 AA |
5480 | |
5481 | /* Channel attributes */ | |
5482 | status = decode_chan_attrs(xdr, &session->fc_attrs); | |
5483 | if (!status) | |
5484 | status = decode_chan_attrs(xdr, &session->bc_attrs); | |
5485 | return status; | |
c0eae66e BH |
5486 | out_overflow: |
5487 | print_overflow_msg(__func__, xdr); | |
5488 | return -EIO; | |
fc931582 | 5489 | } |
0f3e66c6 AA |
5490 | |
5491 | static int decode_destroy_session(struct xdr_stream *xdr, void *dummy) | |
5492 | { | |
5493 | return decode_op_hdr(xdr, OP_DESTROY_SESSION); | |
5494 | } | |
18019753 | 5495 | |
66245539 TM |
5496 | static int decode_destroy_clientid(struct xdr_stream *xdr, void *dummy) |
5497 | { | |
5498 | return decode_op_hdr(xdr, OP_DESTROY_CLIENTID); | |
5499 | } | |
5500 | ||
18019753 RL |
5501 | static int decode_reclaim_complete(struct xdr_stream *xdr, void *dummy) |
5502 | { | |
5503 | return decode_op_hdr(xdr, OP_RECLAIM_COMPLETE); | |
5504 | } | |
99fe60d0 BH |
5505 | #endif /* CONFIG_NFS_V4_1 */ |
5506 | ||
9b7b9fcc AA |
5507 | static int decode_sequence(struct xdr_stream *xdr, |
5508 | struct nfs4_sequence_res *res, | |
5509 | struct rpc_rqst *rqstp) | |
5510 | { | |
5511 | #if defined(CONFIG_NFS_V4_1) | |
e3725ec0 | 5512 | struct nfs4_session *session; |
fc01cea9 AA |
5513 | struct nfs4_sessionid id; |
5514 | u32 dummy; | |
5515 | int status; | |
5516 | __be32 *p; | |
5517 | ||
e3725ec0 | 5518 | if (res->sr_slot == NULL) |
9b7b9fcc AA |
5519 | return 0; |
5520 | ||
fc01cea9 | 5521 | status = decode_op_hdr(xdr, OP_SEQUENCE); |
e78291e4 BH |
5522 | if (!status) |
5523 | status = decode_sessionid(xdr, &id); | |
5524 | if (unlikely(status)) | |
fc01cea9 | 5525 | goto out_err; |
9b7b9fcc | 5526 | |
fc01cea9 AA |
5527 | /* |
5528 | * If the server returns different values for sessionID, slotID or | |
5529 | * sequence number, the server is looney tunes. | |
5530 | */ | |
fdcb4577 | 5531 | status = -EREMOTEIO; |
e3725ec0 | 5532 | session = res->sr_slot->table->session; |
fc01cea9 | 5533 | |
e3725ec0 | 5534 | if (memcmp(id.data, session->sess_id.data, |
fc01cea9 AA |
5535 | NFS4_MAX_SESSIONID_LEN)) { |
5536 | dprintk("%s Invalid session id\n", __func__); | |
5537 | goto out_err; | |
5538 | } | |
e78291e4 | 5539 | |
c0eae66e BH |
5540 | p = xdr_inline_decode(xdr, 20); |
5541 | if (unlikely(!p)) | |
5542 | goto out_overflow; | |
e78291e4 | 5543 | |
fc01cea9 | 5544 | /* seqid */ |
6f723f77 | 5545 | dummy = be32_to_cpup(p++); |
dfb4f309 | 5546 | if (dummy != res->sr_slot->seq_nr) { |
fc01cea9 AA |
5547 | dprintk("%s Invalid sequence number\n", __func__); |
5548 | goto out_err; | |
5549 | } | |
5550 | /* slot id */ | |
6f723f77 | 5551 | dummy = be32_to_cpup(p++); |
df2fabff | 5552 | if (dummy != res->sr_slot->slot_nr) { |
fc01cea9 AA |
5553 | dprintk("%s Invalid slot id\n", __func__); |
5554 | goto out_err; | |
5555 | } | |
da0507b7 TM |
5556 | /* highest slot id */ |
5557 | res->sr_highest_slotid = be32_to_cpup(p++); | |
464ee9f9 TM |
5558 | /* target highest slot id */ |
5559 | res->sr_target_highest_slotid = be32_to_cpup(p++); | |
0629e370 AB |
5560 | /* result flags */ |
5561 | res->sr_status_flags = be32_to_cpup(p); | |
fc01cea9 AA |
5562 | status = 0; |
5563 | out_err: | |
5564 | res->sr_status = status; | |
5565 | return status; | |
c0eae66e BH |
5566 | out_overflow: |
5567 | print_overflow_msg(__func__, xdr); | |
5568 | status = -EIO; | |
5569 | goto out_err; | |
fc01cea9 | 5570 | #else /* CONFIG_NFS_V4_1 */ |
9b7b9fcc | 5571 | return 0; |
fc01cea9 | 5572 | #endif /* CONFIG_NFS_V4_1 */ |
9b7b9fcc AA |
5573 | } |
5574 | ||
b1f69b75 | 5575 | #if defined(CONFIG_NFS_V4_1) |
7f11d8d3 AA |
5576 | /* |
5577 | * TODO: Need to handle case when EOF != true; | |
5578 | */ | |
5579 | static int decode_getdevicelist(struct xdr_stream *xdr, | |
5580 | struct pnfs_devicelist *res) | |
5581 | { | |
5582 | __be32 *p; | |
5583 | int status, i; | |
98d94524 | 5584 | nfs4_verifier verftemp; |
7f11d8d3 AA |
5585 | |
5586 | status = decode_op_hdr(xdr, OP_GETDEVICELIST); | |
5587 | if (status) | |
5588 | return status; | |
5589 | ||
5590 | p = xdr_inline_decode(xdr, 8 + 8 + 4); | |
5591 | if (unlikely(!p)) | |
5592 | goto out_overflow; | |
5593 | ||
5594 | /* TODO: Skip cookie for now */ | |
5595 | p += 2; | |
5596 | ||
5597 | /* Read verifier */ | |
98d94524 | 5598 | p = xdr_decode_opaque_fixed(p, verftemp.data, NFS4_VERIFIER_SIZE); |
7f11d8d3 AA |
5599 | |
5600 | res->num_devs = be32_to_cpup(p); | |
5601 | ||
5602 | dprintk("%s: num_dev %d\n", __func__, res->num_devs); | |
5603 | ||
5604 | if (res->num_devs > NFS4_PNFS_GETDEVLIST_MAXNUM) { | |
a030889a | 5605 | printk(KERN_ERR "NFS: %s too many result dev_num %u\n", |
7f11d8d3 AA |
5606 | __func__, res->num_devs); |
5607 | return -EIO; | |
5608 | } | |
5609 | ||
5610 | p = xdr_inline_decode(xdr, | |
5611 | res->num_devs * NFS4_DEVICEID4_SIZE + 4); | |
5612 | if (unlikely(!p)) | |
5613 | goto out_overflow; | |
5614 | for (i = 0; i < res->num_devs; i++) | |
5615 | p = xdr_decode_opaque_fixed(p, res->dev_id[i].data, | |
5616 | NFS4_DEVICEID4_SIZE); | |
5617 | res->eof = be32_to_cpup(p); | |
5618 | return 0; | |
5619 | out_overflow: | |
5620 | print_overflow_msg(__func__, xdr); | |
5621 | return -EIO; | |
5622 | } | |
b1f69b75 AA |
5623 | |
5624 | static int decode_getdeviceinfo(struct xdr_stream *xdr, | |
5625 | struct pnfs_device *pdev) | |
5626 | { | |
5627 | __be32 *p; | |
5628 | uint32_t len, type; | |
5629 | int status; | |
5630 | ||
5631 | status = decode_op_hdr(xdr, OP_GETDEVICEINFO); | |
5632 | if (status) { | |
5633 | if (status == -ETOOSMALL) { | |
5634 | p = xdr_inline_decode(xdr, 4); | |
5635 | if (unlikely(!p)) | |
5636 | goto out_overflow; | |
5637 | pdev->mincount = be32_to_cpup(p); | |
5638 | dprintk("%s: Min count too small. mincnt = %u\n", | |
5639 | __func__, pdev->mincount); | |
5640 | } | |
5641 | return status; | |
5642 | } | |
5643 | ||
5644 | p = xdr_inline_decode(xdr, 8); | |
5645 | if (unlikely(!p)) | |
5646 | goto out_overflow; | |
5647 | type = be32_to_cpup(p++); | |
5648 | if (type != pdev->layout_type) { | |
5649 | dprintk("%s: layout mismatch req: %u pdev: %u\n", | |
5650 | __func__, pdev->layout_type, type); | |
5651 | return -EINVAL; | |
5652 | } | |
5653 | /* | |
5654 | * Get the length of the opaque device_addr4. xdr_read_pages places | |
5655 | * the opaque device_addr4 in the xdr_buf->pages (pnfs_device->pages) | |
5656 | * and places the remaining xdr data in xdr_buf->tail | |
5657 | */ | |
5658 | pdev->mincount = be32_to_cpup(p); | |
13fe4ba1 TM |
5659 | if (xdr_read_pages(xdr, pdev->mincount) != pdev->mincount) |
5660 | goto out_overflow; | |
b1f69b75 AA |
5661 | |
5662 | /* Parse notification bitmap, verifying that it is zero. */ | |
5663 | p = xdr_inline_decode(xdr, 4); | |
5664 | if (unlikely(!p)) | |
5665 | goto out_overflow; | |
5666 | len = be32_to_cpup(p); | |
5667 | if (len) { | |
ead00597 | 5668 | uint32_t i; |
b1f69b75 AA |
5669 | |
5670 | p = xdr_inline_decode(xdr, 4 * len); | |
5671 | if (unlikely(!p)) | |
5672 | goto out_overflow; | |
5673 | for (i = 0; i < len; i++, p++) { | |
5674 | if (be32_to_cpup(p)) { | |
5675 | dprintk("%s: notifications not supported\n", | |
5676 | __func__); | |
5677 | return -EIO; | |
5678 | } | |
5679 | } | |
5680 | } | |
5681 | return 0; | |
5682 | out_overflow: | |
5683 | print_overflow_msg(__func__, xdr); | |
5684 | return -EIO; | |
5685 | } | |
5686 | ||
5687 | static int decode_layoutget(struct xdr_stream *xdr, struct rpc_rqst *req, | |
5688 | struct nfs4_layoutget_res *res) | |
5689 | { | |
5690 | __be32 *p; | |
5691 | int status; | |
5692 | u32 layout_count; | |
64bd577e | 5693 | u32 recvd; |
b1f69b75 AA |
5694 | |
5695 | status = decode_op_hdr(xdr, OP_LAYOUTGET); | |
5696 | if (status) | |
5697 | return status; | |
ea9d23f5 TM |
5698 | p = xdr_inline_decode(xdr, 4); |
5699 | if (unlikely(!p)) | |
5700 | goto out_overflow; | |
5701 | res->return_on_close = be32_to_cpup(p); | |
5702 | decode_stateid(xdr, &res->stateid); | |
5703 | p = xdr_inline_decode(xdr, 4); | |
b1f69b75 AA |
5704 | if (unlikely(!p)) |
5705 | goto out_overflow; | |
b1f69b75 AA |
5706 | layout_count = be32_to_cpup(p); |
5707 | if (!layout_count) { | |
5708 | dprintk("%s: server responded with empty layout array\n", | |
5709 | __func__); | |
5710 | return -EINVAL; | |
5711 | } | |
5712 | ||
35124a09 | 5713 | p = xdr_inline_decode(xdr, 28); |
b1f69b75 AA |
5714 | if (unlikely(!p)) |
5715 | goto out_overflow; | |
5716 | p = xdr_decode_hyper(p, &res->range.offset); | |
5717 | p = xdr_decode_hyper(p, &res->range.length); | |
5718 | res->range.iomode = be32_to_cpup(p++); | |
5719 | res->type = be32_to_cpup(p++); | |
35124a09 | 5720 | res->layoutp->len = be32_to_cpup(p); |
b1f69b75 AA |
5721 | |
5722 | dprintk("%s roff:%lu rlen:%lu riomode:%d, lo_type:0x%x, lo.len:%d\n", | |
5723 | __func__, | |
5724 | (unsigned long)res->range.offset, | |
5725 | (unsigned long)res->range.length, | |
5726 | res->range.iomode, | |
5727 | res->type, | |
35124a09 WAA |
5728 | res->layoutp->len); |
5729 | ||
64bd577e | 5730 | recvd = xdr_read_pages(xdr, res->layoutp->len); |
35124a09 WAA |
5731 | if (res->layoutp->len > recvd) { |
5732 | dprintk("NFS: server cheating in layoutget reply: " | |
5733 | "layout len %u > recvd %u\n", | |
5734 | res->layoutp->len, recvd); | |
5735 | return -EINVAL; | |
5736 | } | |
b1f69b75 | 5737 | |
b1f69b75 AA |
5738 | if (layout_count > 1) { |
5739 | /* We only handle a length one array at the moment. Any | |
5740 | * further entries are just ignored. Note that this means | |
5741 | * the client may see a response that is less than the | |
5742 | * minimum it requested. | |
5743 | */ | |
5744 | dprintk("%s: server responded with %d layouts, dropping tail\n", | |
5745 | __func__, layout_count); | |
5746 | } | |
5747 | ||
5748 | return 0; | |
5749 | out_overflow: | |
5750 | print_overflow_msg(__func__, xdr); | |
5751 | return -EIO; | |
5752 | } | |
863a3c6c | 5753 | |
cbe82603 BH |
5754 | static int decode_layoutreturn(struct xdr_stream *xdr, |
5755 | struct nfs4_layoutreturn_res *res) | |
5756 | { | |
5757 | __be32 *p; | |
5758 | int status; | |
5759 | ||
5760 | status = decode_op_hdr(xdr, OP_LAYOUTRETURN); | |
5761 | if (status) | |
5762 | return status; | |
5763 | p = xdr_inline_decode(xdr, 4); | |
5764 | if (unlikely(!p)) | |
5765 | goto out_overflow; | |
5766 | res->lrs_present = be32_to_cpup(p); | |
5767 | if (res->lrs_present) | |
5768 | status = decode_stateid(xdr, &res->stateid); | |
5769 | return status; | |
5770 | out_overflow: | |
5771 | print_overflow_msg(__func__, xdr); | |
5772 | return -EIO; | |
5773 | } | |
5774 | ||
863a3c6c AA |
5775 | static int decode_layoutcommit(struct xdr_stream *xdr, |
5776 | struct rpc_rqst *req, | |
5777 | struct nfs4_layoutcommit_res *res) | |
5778 | { | |
5779 | __be32 *p; | |
5780 | __u32 sizechanged; | |
5781 | int status; | |
5782 | ||
5783 | status = decode_op_hdr(xdr, OP_LAYOUTCOMMIT); | |
db29c089 | 5784 | res->status = status; |
863a3c6c AA |
5785 | if (status) |
5786 | return status; | |
5787 | ||
5788 | p = xdr_inline_decode(xdr, 4); | |
5789 | if (unlikely(!p)) | |
5790 | goto out_overflow; | |
5791 | sizechanged = be32_to_cpup(p); | |
5792 | ||
5793 | if (sizechanged) { | |
5794 | /* throw away new size */ | |
5795 | p = xdr_inline_decode(xdr, 8); | |
5796 | if (unlikely(!p)) | |
5797 | goto out_overflow; | |
5798 | } | |
5799 | return 0; | |
5800 | out_overflow: | |
5801 | print_overflow_msg(__func__, xdr); | |
5802 | return -EIO; | |
5803 | } | |
7d974794 BS |
5804 | |
5805 | static int decode_test_stateid(struct xdr_stream *xdr, | |
5806 | struct nfs41_test_stateid_res *res) | |
5807 | { | |
5808 | __be32 *p; | |
5809 | int status; | |
5810 | int num_res; | |
5811 | ||
5812 | status = decode_op_hdr(xdr, OP_TEST_STATEID); | |
5813 | if (status) | |
5814 | return status; | |
5815 | ||
5816 | p = xdr_inline_decode(xdr, 4); | |
5817 | if (unlikely(!p)) | |
5818 | goto out_overflow; | |
5819 | num_res = be32_to_cpup(p++); | |
5820 | if (num_res != 1) | |
5821 | goto out; | |
5822 | ||
5823 | p = xdr_inline_decode(xdr, 4); | |
5824 | if (unlikely(!p)) | |
5825 | goto out_overflow; | |
5826 | res->status = be32_to_cpup(p++); | |
1cab0652 BS |
5827 | |
5828 | return status; | |
7d974794 BS |
5829 | out_overflow: |
5830 | print_overflow_msg(__func__, xdr); | |
5831 | out: | |
5832 | return -EIO; | |
5833 | } | |
9aeda35f BS |
5834 | |
5835 | static int decode_free_stateid(struct xdr_stream *xdr, | |
5836 | struct nfs41_free_stateid_res *res) | |
5837 | { | |
5838 | __be32 *p; | |
5839 | int status; | |
5840 | ||
5841 | status = decode_op_hdr(xdr, OP_FREE_STATEID); | |
5842 | if (status) | |
5843 | return status; | |
5844 | ||
5845 | p = xdr_inline_decode(xdr, 4); | |
5846 | if (unlikely(!p)) | |
5847 | goto out_overflow; | |
5848 | res->status = be32_to_cpup(p++); | |
5849 | return res->status; | |
5850 | out_overflow: | |
5851 | print_overflow_msg(__func__, xdr); | |
5852 | return -EIO; | |
5853 | } | |
b1f69b75 AA |
5854 | #endif /* CONFIG_NFS_V4_1 */ |
5855 | ||
49c2559e BH |
5856 | /* |
5857 | * END OF "GENERIC" DECODE ROUTINES. | |
5858 | */ | |
5859 | ||
1da177e4 LT |
5860 | /* |
5861 | * Decode OPEN_DOWNGRADE response | |
5862 | */ | |
bf269551 CL |
5863 | static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst *rqstp, |
5864 | struct xdr_stream *xdr, | |
5865 | struct nfs_closeres *res) | |
1da177e4 | 5866 | { |
05d564fe AA |
5867 | struct compound_hdr hdr; |
5868 | int status; | |
5869 | ||
bf269551 | 5870 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5871 | if (status) |
5872 | goto out; | |
bf269551 | 5873 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
5874 | if (status) |
5875 | goto out; | |
bf269551 | 5876 | status = decode_putfh(xdr); |
05d564fe AA |
5877 | if (status) |
5878 | goto out; | |
bf269551 | 5879 | status = decode_open_downgrade(xdr, res); |
516a6af6 TM |
5880 | if (status != 0) |
5881 | goto out; | |
6926afd1 | 5882 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 | 5883 | out: |
05d564fe | 5884 | return status; |
1da177e4 LT |
5885 | } |
5886 | ||
1da177e4 LT |
5887 | /* |
5888 | * Decode ACCESS response | |
5889 | */ | |
bf269551 CL |
5890 | static int nfs4_xdr_dec_access(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5891 | struct nfs4_accessres *res) | |
1da177e4 | 5892 | { |
1da177e4 LT |
5893 | struct compound_hdr hdr; |
5894 | int status; | |
6c0195a4 | 5895 | |
bf269551 | 5896 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5897 | if (status) |
5898 | goto out; | |
bf269551 | 5899 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5900 | if (status) |
1da177e4 | 5901 | goto out; |
bf269551 | 5902 | status = decode_putfh(xdr); |
76b32999 TM |
5903 | if (status != 0) |
5904 | goto out; | |
6168f62c | 5905 | status = decode_access(xdr, &res->supported, &res->access); |
76b32999 TM |
5906 | if (status != 0) |
5907 | goto out; | |
6926afd1 | 5908 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
5909 | out: |
5910 | return status; | |
5911 | } | |
5912 | ||
5913 | /* | |
5914 | * Decode LOOKUP response | |
5915 | */ | |
bf269551 CL |
5916 | static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5917 | struct nfs4_lookup_res *res) | |
1da177e4 | 5918 | { |
1da177e4 LT |
5919 | struct compound_hdr hdr; |
5920 | int status; | |
6c0195a4 | 5921 | |
bf269551 | 5922 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5923 | if (status) |
5924 | goto out; | |
bf269551 | 5925 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5926 | if (status) |
1da177e4 | 5927 | goto out; |
bf269551 CL |
5928 | status = decode_putfh(xdr); |
5929 | if (status) | |
1da177e4 | 5930 | goto out; |
bf269551 CL |
5931 | status = decode_lookup(xdr); |
5932 | if (status) | |
1da177e4 | 5933 | goto out; |
bf269551 CL |
5934 | status = decode_getfh(xdr, res->fh); |
5935 | if (status) | |
1da177e4 | 5936 | goto out; |
6926afd1 | 5937 | status = decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
5938 | out: |
5939 | return status; | |
5940 | } | |
5941 | ||
5942 | /* | |
5943 | * Decode LOOKUP_ROOT response | |
5944 | */ | |
bf269551 CL |
5945 | static int nfs4_xdr_dec_lookup_root(struct rpc_rqst *rqstp, |
5946 | struct xdr_stream *xdr, | |
5947 | struct nfs4_lookup_res *res) | |
1da177e4 | 5948 | { |
1da177e4 LT |
5949 | struct compound_hdr hdr; |
5950 | int status; | |
6c0195a4 | 5951 | |
bf269551 | 5952 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5953 | if (status) |
5954 | goto out; | |
bf269551 | 5955 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5956 | if (status) |
1da177e4 | 5957 | goto out; |
bf269551 CL |
5958 | status = decode_putrootfh(xdr); |
5959 | if (status) | |
1da177e4 | 5960 | goto out; |
bf269551 CL |
5961 | status = decode_getfh(xdr, res->fh); |
5962 | if (status == 0) | |
6926afd1 | 5963 | status = decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
5964 | out: |
5965 | return status; | |
5966 | } | |
5967 | ||
5968 | /* | |
5969 | * Decode REMOVE response | |
5970 | */ | |
bf269551 CL |
5971 | static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5972 | struct nfs_removeres *res) | |
1da177e4 | 5973 | { |
1da177e4 LT |
5974 | struct compound_hdr hdr; |
5975 | int status; | |
6c0195a4 | 5976 | |
bf269551 | 5977 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5978 | if (status) |
5979 | goto out; | |
bf269551 | 5980 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5981 | if (status) |
1da177e4 | 5982 | goto out; |
bf269551 CL |
5983 | status = decode_putfh(xdr); |
5984 | if (status) | |
16e42959 | 5985 | goto out; |
bf269551 | 5986 | status = decode_remove(xdr, &res->cinfo); |
1da177e4 LT |
5987 | out: |
5988 | return status; | |
5989 | } | |
5990 | ||
5991 | /* | |
5992 | * Decode RENAME response | |
5993 | */ | |
bf269551 CL |
5994 | static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5995 | struct nfs_renameres *res) | |
1da177e4 | 5996 | { |
1da177e4 LT |
5997 | struct compound_hdr hdr; |
5998 | int status; | |
6c0195a4 | 5999 | |
bf269551 | 6000 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6001 | if (status) |
6002 | goto out; | |
bf269551 | 6003 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6004 | if (status) |
1da177e4 | 6005 | goto out; |
bf269551 CL |
6006 | status = decode_putfh(xdr); |
6007 | if (status) | |
1da177e4 | 6008 | goto out; |
bf269551 CL |
6009 | status = decode_savefh(xdr); |
6010 | if (status) | |
1da177e4 | 6011 | goto out; |
bf269551 CL |
6012 | status = decode_putfh(xdr); |
6013 | if (status) | |
1da177e4 | 6014 | goto out; |
bf269551 | 6015 | status = decode_rename(xdr, &res->old_cinfo, &res->new_cinfo); |
1da177e4 LT |
6016 | out: |
6017 | return status; | |
6018 | } | |
6019 | ||
6020 | /* | |
6021 | * Decode LINK response | |
6022 | */ | |
bf269551 CL |
6023 | static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6024 | struct nfs4_link_res *res) | |
1da177e4 | 6025 | { |
1da177e4 LT |
6026 | struct compound_hdr hdr; |
6027 | int status; | |
6c0195a4 | 6028 | |
bf269551 | 6029 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6030 | if (status) |
6031 | goto out; | |
bf269551 | 6032 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6033 | if (status) |
1da177e4 | 6034 | goto out; |
bf269551 CL |
6035 | status = decode_putfh(xdr); |
6036 | if (status) | |
1da177e4 | 6037 | goto out; |
bf269551 CL |
6038 | status = decode_savefh(xdr); |
6039 | if (status) | |
1da177e4 | 6040 | goto out; |
bf269551 CL |
6041 | status = decode_putfh(xdr); |
6042 | if (status) | |
1da177e4 | 6043 | goto out; |
bf269551 CL |
6044 | status = decode_link(xdr, &res->cinfo); |
6045 | if (status) | |
91ba2eee TM |
6046 | goto out; |
6047 | /* | |
6048 | * Note order: OP_LINK leaves the directory as the current | |
6049 | * filehandle. | |
6050 | */ | |
bf269551 CL |
6051 | status = decode_restorefh(xdr); |
6052 | if (status) | |
91ba2eee | 6053 | goto out; |
6926afd1 | 6054 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6055 | out: |
6056 | return status; | |
6057 | } | |
6058 | ||
6059 | /* | |
6060 | * Decode CREATE response | |
6061 | */ | |
bf269551 CL |
6062 | static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6063 | struct nfs4_create_res *res) | |
1da177e4 | 6064 | { |
1da177e4 LT |
6065 | struct compound_hdr hdr; |
6066 | int status; | |
6c0195a4 | 6067 | |
bf269551 | 6068 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6069 | if (status) |
6070 | goto out; | |
bf269551 | 6071 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6072 | if (status) |
1da177e4 | 6073 | goto out; |
bf269551 | 6074 | status = decode_putfh(xdr); |
bf269551 | 6075 | if (status) |
56ae19f3 | 6076 | goto out; |
bf269551 CL |
6077 | status = decode_create(xdr, &res->dir_cinfo); |
6078 | if (status) | |
1da177e4 | 6079 | goto out; |
bf269551 CL |
6080 | status = decode_getfh(xdr, res->fh); |
6081 | if (status) | |
1da177e4 | 6082 | goto out; |
7c317fcf | 6083 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6084 | out: |
6085 | return status; | |
6086 | } | |
6087 | ||
6088 | /* | |
6089 | * Decode SYMLINK response | |
6090 | */ | |
bf269551 CL |
6091 | static int nfs4_xdr_dec_symlink(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6092 | struct nfs4_create_res *res) | |
1da177e4 | 6093 | { |
bf269551 | 6094 | return nfs4_xdr_dec_create(rqstp, xdr, res); |
1da177e4 LT |
6095 | } |
6096 | ||
6097 | /* | |
6098 | * Decode GETATTR response | |
6099 | */ | |
bf269551 CL |
6100 | static int nfs4_xdr_dec_getattr(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6101 | struct nfs4_getattr_res *res) | |
1da177e4 | 6102 | { |
1da177e4 LT |
6103 | struct compound_hdr hdr; |
6104 | int status; | |
6c0195a4 | 6105 | |
bf269551 | 6106 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6107 | if (status) |
6108 | goto out; | |
bf269551 | 6109 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6110 | if (status) |
6111 | goto out; | |
bf269551 | 6112 | status = decode_putfh(xdr); |
1da177e4 LT |
6113 | if (status) |
6114 | goto out; | |
6926afd1 | 6115 | status = decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6116 | out: |
6117 | return status; | |
1da177e4 LT |
6118 | } |
6119 | ||
23ec6965 BF |
6120 | /* |
6121 | * Encode an SETACL request | |
6122 | */ | |
9f06c719 CL |
6123 | static void nfs4_xdr_enc_setacl(struct rpc_rqst *req, struct xdr_stream *xdr, |
6124 | struct nfs_setaclargs *args) | |
23ec6965 | 6125 | { |
05d564fe | 6126 | struct compound_hdr hdr = { |
66cc0429 | 6127 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 6128 | }; |
05d564fe | 6129 | |
9f06c719 CL |
6130 | encode_compound_hdr(xdr, req, &hdr); |
6131 | encode_sequence(xdr, &args->seq_args, &hdr); | |
6132 | encode_putfh(xdr, args->fh, &hdr); | |
6133 | encode_setacl(xdr, args, &hdr); | |
d017931c | 6134 | encode_nops(&hdr); |
23ec6965 | 6135 | } |
05d564fe | 6136 | |
23ec6965 BF |
6137 | /* |
6138 | * Decode SETACL response | |
6139 | */ | |
6140 | static int | |
bf269551 | 6141 | nfs4_xdr_dec_setacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
73c403a9 | 6142 | struct nfs_setaclres *res) |
23ec6965 | 6143 | { |
23ec6965 BF |
6144 | struct compound_hdr hdr; |
6145 | int status; | |
6146 | ||
bf269551 | 6147 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6148 | if (status) |
6149 | goto out; | |
bf269551 | 6150 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
23ec6965 BF |
6151 | if (status) |
6152 | goto out; | |
bf269551 | 6153 | status = decode_putfh(xdr); |
23ec6965 BF |
6154 | if (status) |
6155 | goto out; | |
bf269551 | 6156 | status = decode_setattr(xdr); |
23ec6965 BF |
6157 | out: |
6158 | return status; | |
6159 | } | |
1da177e4 | 6160 | |
029d105e BF |
6161 | /* |
6162 | * Decode GETACL response | |
6163 | */ | |
6164 | static int | |
bf269551 | 6165 | nfs4_xdr_dec_getacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
663c79b3 | 6166 | struct nfs_getaclres *res) |
029d105e | 6167 | { |
029d105e BF |
6168 | struct compound_hdr hdr; |
6169 | int status; | |
6170 | ||
331818f1 TM |
6171 | if (res->acl_scratch != NULL) { |
6172 | void *p = page_address(res->acl_scratch); | |
6173 | xdr_set_scratch_buffer(xdr, p, PAGE_SIZE); | |
6174 | } | |
bf269551 | 6175 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6176 | if (status) |
6177 | goto out; | |
bf269551 | 6178 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
029d105e BF |
6179 | if (status) |
6180 | goto out; | |
bf269551 | 6181 | status = decode_putfh(xdr); |
029d105e BF |
6182 | if (status) |
6183 | goto out; | |
bf118a34 | 6184 | status = decode_getacl(xdr, rqstp, res); |
029d105e BF |
6185 | |
6186 | out: | |
6187 | return status; | |
6188 | } | |
6189 | ||
1da177e4 LT |
6190 | /* |
6191 | * Decode CLOSE response | |
6192 | */ | |
bf269551 CL |
6193 | static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6194 | struct nfs_closeres *res) | |
1da177e4 | 6195 | { |
05d564fe AA |
6196 | struct compound_hdr hdr; |
6197 | int status; | |
6198 | ||
bf269551 | 6199 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6200 | if (status) |
6201 | goto out; | |
bf269551 | 6202 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6203 | if (status) |
6204 | goto out; | |
bf269551 | 6205 | status = decode_putfh(xdr); |
05d564fe AA |
6206 | if (status) |
6207 | goto out; | |
bf269551 | 6208 | status = decode_close(xdr, res); |
516a6af6 TM |
6209 | if (status != 0) |
6210 | goto out; | |
6211 | /* | |
6212 | * Note: Server may do delete on close for this file | |
6213 | * in which case the getattr call will fail with | |
6214 | * an ESTALE error. Shouldn't be a problem, | |
6215 | * though, since fattr->valid will remain unset. | |
6216 | */ | |
6926afd1 | 6217 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 | 6218 | out: |
05d564fe | 6219 | return status; |
1da177e4 LT |
6220 | } |
6221 | ||
6222 | /* | |
6223 | * Decode OPEN response | |
6224 | */ | |
bf269551 CL |
6225 | static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6226 | struct nfs_openres *res) | |
1da177e4 | 6227 | { |
05d564fe AA |
6228 | struct compound_hdr hdr; |
6229 | int status; | |
6230 | ||
bf269551 | 6231 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6232 | if (status) |
6233 | goto out; | |
bf269551 | 6234 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6235 | if (status) |
6236 | goto out; | |
bf269551 | 6237 | status = decode_putfh(xdr); |
05d564fe AA |
6238 | if (status) |
6239 | goto out; | |
bf269551 | 6240 | status = decode_open(xdr, res); |
56ae19f3 TM |
6241 | if (status) |
6242 | goto out; | |
01913b49 WAA |
6243 | status = decode_getfh(xdr, &res->fh); |
6244 | if (status) | |
1da177e4 | 6245 | goto out; |
ae2bb032 WAA |
6246 | if (res->access_request) |
6247 | decode_access(xdr, &res->access_supported, &res->access_result); | |
90ff0c54 | 6248 | decode_getfattr(xdr, res->f_attr, res->server); |
1da177e4 | 6249 | out: |
05d564fe | 6250 | return status; |
1da177e4 LT |
6251 | } |
6252 | ||
6253 | /* | |
6254 | * Decode OPEN_CONFIRM response | |
6255 | */ | |
bf269551 CL |
6256 | static int nfs4_xdr_dec_open_confirm(struct rpc_rqst *rqstp, |
6257 | struct xdr_stream *xdr, | |
6258 | struct nfs_open_confirmres *res) | |
1da177e4 | 6259 | { |
05d564fe AA |
6260 | struct compound_hdr hdr; |
6261 | int status; | |
6262 | ||
bf269551 | 6263 | status = decode_compound_hdr(xdr, &hdr); |
05d564fe AA |
6264 | if (status) |
6265 | goto out; | |
bf269551 | 6266 | status = decode_putfh(xdr); |
05d564fe AA |
6267 | if (status) |
6268 | goto out; | |
bf269551 | 6269 | status = decode_open_confirm(xdr, res); |
1da177e4 | 6270 | out: |
05d564fe | 6271 | return status; |
1da177e4 LT |
6272 | } |
6273 | ||
6274 | /* | |
6275 | * Decode OPEN response | |
6276 | */ | |
bf269551 CL |
6277 | static int nfs4_xdr_dec_open_noattr(struct rpc_rqst *rqstp, |
6278 | struct xdr_stream *xdr, | |
6279 | struct nfs_openres *res) | |
1da177e4 | 6280 | { |
05d564fe AA |
6281 | struct compound_hdr hdr; |
6282 | int status; | |
6283 | ||
bf269551 | 6284 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6285 | if (status) |
6286 | goto out; | |
bf269551 | 6287 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6288 | if (status) |
6289 | goto out; | |
bf269551 | 6290 | status = decode_putfh(xdr); |
05d564fe AA |
6291 | if (status) |
6292 | goto out; | |
bf269551 | 6293 | status = decode_open(xdr, res); |
05d564fe AA |
6294 | if (status) |
6295 | goto out; | |
ae2bb032 WAA |
6296 | if (res->access_request) |
6297 | decode_access(xdr, &res->access_supported, &res->access_result); | |
6926afd1 | 6298 | decode_getfattr(xdr, res->f_attr, res->server); |
1da177e4 | 6299 | out: |
05d564fe | 6300 | return status; |
1da177e4 LT |
6301 | } |
6302 | ||
6303 | /* | |
6304 | * Decode SETATTR response | |
6305 | */ | |
bf269551 CL |
6306 | static int nfs4_xdr_dec_setattr(struct rpc_rqst *rqstp, |
6307 | struct xdr_stream *xdr, | |
6308 | struct nfs_setattrres *res) | |
1da177e4 | 6309 | { |
05d564fe AA |
6310 | struct compound_hdr hdr; |
6311 | int status; | |
6312 | ||
bf269551 | 6313 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6314 | if (status) |
6315 | goto out; | |
bf269551 | 6316 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6317 | if (status) |
6318 | goto out; | |
bf269551 | 6319 | status = decode_putfh(xdr); |
05d564fe AA |
6320 | if (status) |
6321 | goto out; | |
bf269551 | 6322 | status = decode_setattr(xdr); |
05d564fe AA |
6323 | if (status) |
6324 | goto out; | |
6926afd1 | 6325 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 | 6326 | out: |
05d564fe | 6327 | return status; |
1da177e4 LT |
6328 | } |
6329 | ||
6330 | /* | |
6331 | * Decode LOCK response | |
6332 | */ | |
bf269551 CL |
6333 | static int nfs4_xdr_dec_lock(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6334 | struct nfs_lock_res *res) | |
1da177e4 | 6335 | { |
1da177e4 LT |
6336 | struct compound_hdr hdr; |
6337 | int status; | |
6338 | ||
bf269551 | 6339 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6340 | if (status) |
6341 | goto out; | |
bf269551 | 6342 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6343 | if (status) |
6344 | goto out; | |
bf269551 | 6345 | status = decode_putfh(xdr); |
1da177e4 LT |
6346 | if (status) |
6347 | goto out; | |
bf269551 | 6348 | status = decode_lock(xdr, res); |
1da177e4 LT |
6349 | out: |
6350 | return status; | |
6351 | } | |
6352 | ||
6353 | /* | |
6354 | * Decode LOCKT response | |
6355 | */ | |
bf269551 CL |
6356 | static int nfs4_xdr_dec_lockt(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6357 | struct nfs_lockt_res *res) | |
1da177e4 | 6358 | { |
1da177e4 LT |
6359 | struct compound_hdr hdr; |
6360 | int status; | |
6361 | ||
bf269551 | 6362 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6363 | if (status) |
6364 | goto out; | |
bf269551 | 6365 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6366 | if (status) |
6367 | goto out; | |
bf269551 | 6368 | status = decode_putfh(xdr); |
1da177e4 LT |
6369 | if (status) |
6370 | goto out; | |
bf269551 | 6371 | status = decode_lockt(xdr, res); |
1da177e4 LT |
6372 | out: |
6373 | return status; | |
6374 | } | |
6375 | ||
6376 | /* | |
6377 | * Decode LOCKU response | |
6378 | */ | |
bf269551 CL |
6379 | static int nfs4_xdr_dec_locku(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6380 | struct nfs_locku_res *res) | |
1da177e4 | 6381 | { |
1da177e4 LT |
6382 | struct compound_hdr hdr; |
6383 | int status; | |
6384 | ||
bf269551 | 6385 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6386 | if (status) |
6387 | goto out; | |
bf269551 | 6388 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6389 | if (status) |
6390 | goto out; | |
bf269551 | 6391 | status = decode_putfh(xdr); |
1da177e4 LT |
6392 | if (status) |
6393 | goto out; | |
bf269551 | 6394 | status = decode_locku(xdr, res); |
1da177e4 LT |
6395 | out: |
6396 | return status; | |
6397 | } | |
6398 | ||
bf269551 CL |
6399 | static int nfs4_xdr_dec_release_lockowner(struct rpc_rqst *rqstp, |
6400 | struct xdr_stream *xdr, void *dummy) | |
d3c7b7cc | 6401 | { |
d3c7b7cc TM |
6402 | struct compound_hdr hdr; |
6403 | int status; | |
6404 | ||
bf269551 | 6405 | status = decode_compound_hdr(xdr, &hdr); |
d3c7b7cc | 6406 | if (!status) |
bf269551 | 6407 | status = decode_release_lockowner(xdr); |
d3c7b7cc TM |
6408 | return status; |
6409 | } | |
6410 | ||
1da177e4 LT |
6411 | /* |
6412 | * Decode READLINK response | |
6413 | */ | |
bf269551 CL |
6414 | static int nfs4_xdr_dec_readlink(struct rpc_rqst *rqstp, |
6415 | struct xdr_stream *xdr, | |
f50c7000 | 6416 | struct nfs4_readlink_res *res) |
1da177e4 | 6417 | { |
1da177e4 LT |
6418 | struct compound_hdr hdr; |
6419 | int status; | |
6420 | ||
bf269551 | 6421 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6422 | if (status) |
6423 | goto out; | |
bf269551 | 6424 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6425 | if (status) |
6426 | goto out; | |
bf269551 | 6427 | status = decode_putfh(xdr); |
1da177e4 LT |
6428 | if (status) |
6429 | goto out; | |
bf269551 | 6430 | status = decode_readlink(xdr, rqstp); |
1da177e4 LT |
6431 | out: |
6432 | return status; | |
6433 | } | |
6434 | ||
6435 | /* | |
6436 | * Decode READDIR response | |
6437 | */ | |
bf269551 CL |
6438 | static int nfs4_xdr_dec_readdir(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6439 | struct nfs4_readdir_res *res) | |
1da177e4 | 6440 | { |
1da177e4 LT |
6441 | struct compound_hdr hdr; |
6442 | int status; | |
6443 | ||
bf269551 | 6444 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6445 | if (status) |
6446 | goto out; | |
bf269551 | 6447 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6448 | if (status) |
6449 | goto out; | |
bf269551 | 6450 | status = decode_putfh(xdr); |
1da177e4 LT |
6451 | if (status) |
6452 | goto out; | |
bf269551 | 6453 | status = decode_readdir(xdr, rqstp, res); |
1da177e4 LT |
6454 | out: |
6455 | return status; | |
6456 | } | |
6457 | ||
6458 | /* | |
6459 | * Decode Read response | |
6460 | */ | |
bf269551 CL |
6461 | static int nfs4_xdr_dec_read(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6462 | struct nfs_readres *res) | |
1da177e4 | 6463 | { |
1da177e4 LT |
6464 | struct compound_hdr hdr; |
6465 | int status; | |
6466 | ||
bf269551 | 6467 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6468 | if (status) |
6469 | goto out; | |
bf269551 | 6470 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6471 | if (status) |
6472 | goto out; | |
bf269551 | 6473 | status = decode_putfh(xdr); |
1da177e4 LT |
6474 | if (status) |
6475 | goto out; | |
bf269551 | 6476 | status = decode_read(xdr, rqstp, res); |
1da177e4 LT |
6477 | if (!status) |
6478 | status = res->count; | |
6479 | out: | |
6480 | return status; | |
6481 | } | |
6482 | ||
6483 | /* | |
6484 | * Decode WRITE response | |
6485 | */ | |
bf269551 CL |
6486 | static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6487 | struct nfs_writeres *res) | |
1da177e4 | 6488 | { |
1da177e4 LT |
6489 | struct compound_hdr hdr; |
6490 | int status; | |
6491 | ||
bf269551 | 6492 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6493 | if (status) |
6494 | goto out; | |
bf269551 | 6495 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6496 | if (status) |
6497 | goto out; | |
bf269551 | 6498 | status = decode_putfh(xdr); |
1da177e4 LT |
6499 | if (status) |
6500 | goto out; | |
bf269551 | 6501 | status = decode_write(xdr, res); |
4f9838c7 TM |
6502 | if (status) |
6503 | goto out; | |
7ffd1064 | 6504 | if (res->fattr) |
6926afd1 | 6505 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6506 | if (!status) |
6507 | status = res->count; | |
6508 | out: | |
6509 | return status; | |
6510 | } | |
6511 | ||
6512 | /* | |
6513 | * Decode COMMIT response | |
6514 | */ | |
bf269551 | 6515 | static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
0b7c0153 | 6516 | struct nfs_commitres *res) |
1da177e4 | 6517 | { |
1da177e4 LT |
6518 | struct compound_hdr hdr; |
6519 | int status; | |
6520 | ||
bf269551 | 6521 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6522 | if (status) |
6523 | goto out; | |
bf269551 | 6524 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6525 | if (status) |
6526 | goto out; | |
bf269551 | 6527 | status = decode_putfh(xdr); |
1da177e4 LT |
6528 | if (status) |
6529 | goto out; | |
bf269551 | 6530 | status = decode_commit(xdr, res); |
1da177e4 LT |
6531 | out: |
6532 | return status; | |
6533 | } | |
6534 | ||
6535 | /* | |
8b173218 | 6536 | * Decode FSINFO response |
1da177e4 | 6537 | */ |
bf269551 | 6538 | static int nfs4_xdr_dec_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, |
3dda5e43 | 6539 | struct nfs4_fsinfo_res *res) |
1da177e4 | 6540 | { |
1da177e4 LT |
6541 | struct compound_hdr hdr; |
6542 | int status; | |
6543 | ||
bf269551 | 6544 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6545 | if (!status) |
bf269551 | 6546 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6547 | if (!status) |
bf269551 | 6548 | status = decode_putfh(xdr); |
1da177e4 | 6549 | if (!status) |
bf269551 | 6550 | status = decode_fsinfo(xdr, res->fsinfo); |
1da177e4 LT |
6551 | return status; |
6552 | } | |
6553 | ||
6554 | /* | |
8b173218 | 6555 | * Decode PATHCONF response |
1da177e4 | 6556 | */ |
bf269551 | 6557 | static int nfs4_xdr_dec_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, |
d45b2989 | 6558 | struct nfs4_pathconf_res *res) |
1da177e4 | 6559 | { |
1da177e4 LT |
6560 | struct compound_hdr hdr; |
6561 | int status; | |
6562 | ||
bf269551 | 6563 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6564 | if (!status) |
bf269551 | 6565 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6566 | if (!status) |
bf269551 | 6567 | status = decode_putfh(xdr); |
1da177e4 | 6568 | if (!status) |
bf269551 | 6569 | status = decode_pathconf(xdr, res->pathconf); |
1da177e4 LT |
6570 | return status; |
6571 | } | |
6572 | ||
6573 | /* | |
8b173218 | 6574 | * Decode STATFS response |
1da177e4 | 6575 | */ |
bf269551 | 6576 | static int nfs4_xdr_dec_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, |
24ad148a | 6577 | struct nfs4_statfs_res *res) |
1da177e4 | 6578 | { |
1da177e4 LT |
6579 | struct compound_hdr hdr; |
6580 | int status; | |
6581 | ||
bf269551 | 6582 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6583 | if (!status) |
bf269551 | 6584 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6585 | if (!status) |
bf269551 | 6586 | status = decode_putfh(xdr); |
1da177e4 | 6587 | if (!status) |
bf269551 | 6588 | status = decode_statfs(xdr, res->fsstat); |
1da177e4 LT |
6589 | return status; |
6590 | } | |
6591 | ||
6592 | /* | |
8b173218 | 6593 | * Decode GETATTR_BITMAP response |
1da177e4 | 6594 | */ |
bf269551 CL |
6595 | static int nfs4_xdr_dec_server_caps(struct rpc_rqst *req, |
6596 | struct xdr_stream *xdr, | |
6597 | struct nfs4_server_caps_res *res) | |
1da177e4 | 6598 | { |
1da177e4 LT |
6599 | struct compound_hdr hdr; |
6600 | int status; | |
6601 | ||
bf269551 | 6602 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6603 | if (status) |
6604 | goto out; | |
bf269551 | 6605 | status = decode_sequence(xdr, &res->seq_res, req); |
9b7b9fcc | 6606 | if (status) |
1da177e4 | 6607 | goto out; |
bf269551 CL |
6608 | status = decode_putfh(xdr); |
6609 | if (status) | |
1da177e4 | 6610 | goto out; |
bf269551 | 6611 | status = decode_server_caps(xdr, res); |
1da177e4 LT |
6612 | out: |
6613 | return status; | |
6614 | } | |
6615 | ||
6616 | /* | |
6617 | * Decode RENEW response | |
6618 | */ | |
bf269551 CL |
6619 | static int nfs4_xdr_dec_renew(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6620 | void *__unused) | |
1da177e4 | 6621 | { |
1da177e4 LT |
6622 | struct compound_hdr hdr; |
6623 | int status; | |
6624 | ||
bf269551 | 6625 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6626 | if (!status) |
bf269551 | 6627 | status = decode_renew(xdr); |
1da177e4 LT |
6628 | return status; |
6629 | } | |
6630 | ||
6631 | /* | |
8b173218 | 6632 | * Decode SETCLIENTID response |
1da177e4 | 6633 | */ |
bf269551 CL |
6634 | static int nfs4_xdr_dec_setclientid(struct rpc_rqst *req, |
6635 | struct xdr_stream *xdr, | |
6636 | struct nfs4_setclientid_res *res) | |
1da177e4 | 6637 | { |
1da177e4 LT |
6638 | struct compound_hdr hdr; |
6639 | int status; | |
6640 | ||
bf269551 | 6641 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6642 | if (!status) |
bf269551 | 6643 | status = decode_setclientid(xdr, res); |
1da177e4 LT |
6644 | return status; |
6645 | } | |
6646 | ||
6647 | /* | |
8b173218 | 6648 | * Decode SETCLIENTID_CONFIRM response |
1da177e4 | 6649 | */ |
bf269551 | 6650 | static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst *req, |
83ca7f5a | 6651 | struct xdr_stream *xdr) |
1da177e4 | 6652 | { |
1da177e4 LT |
6653 | struct compound_hdr hdr; |
6654 | int status; | |
6655 | ||
bf269551 | 6656 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6657 | if (!status) |
bf269551 | 6658 | status = decode_setclientid_confirm(xdr); |
1da177e4 LT |
6659 | return status; |
6660 | } | |
6661 | ||
6662 | /* | |
8b173218 | 6663 | * Decode DELEGRETURN response |
1da177e4 | 6664 | */ |
bf269551 CL |
6665 | static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, |
6666 | struct xdr_stream *xdr, | |
6667 | struct nfs4_delegreturnres *res) | |
1da177e4 | 6668 | { |
1da177e4 LT |
6669 | struct compound_hdr hdr; |
6670 | int status; | |
6671 | ||
bf269551 | 6672 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6673 | if (status) |
6674 | goto out; | |
bf269551 | 6675 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6676 | if (status) |
fa178f29 | 6677 | goto out; |
bf269551 | 6678 | status = decode_putfh(xdr); |
fa178f29 TM |
6679 | if (status != 0) |
6680 | goto out; | |
e144cbcc | 6681 | status = decode_getfattr(xdr, res->fattr, res->server); |
556ae3bb JL |
6682 | if (status != 0) |
6683 | goto out; | |
e144cbcc | 6684 | status = decode_delegreturn(xdr); |
fa178f29 | 6685 | out: |
1da177e4 LT |
6686 | return status; |
6687 | } | |
6688 | ||
683b57b4 | 6689 | /* |
8b173218 | 6690 | * Decode FS_LOCATIONS response |
683b57b4 | 6691 | */ |
bf269551 CL |
6692 | static int nfs4_xdr_dec_fs_locations(struct rpc_rqst *req, |
6693 | struct xdr_stream *xdr, | |
22958463 | 6694 | struct nfs4_fs_locations_res *res) |
683b57b4 | 6695 | { |
683b57b4 TM |
6696 | struct compound_hdr hdr; |
6697 | int status; | |
6698 | ||
bf269551 | 6699 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6700 | if (status) |
6701 | goto out; | |
bf269551 | 6702 | status = decode_sequence(xdr, &res->seq_res, req); |
9b7b9fcc | 6703 | if (status) |
683b57b4 | 6704 | goto out; |
bf269551 CL |
6705 | status = decode_putfh(xdr); |
6706 | if (status) | |
683b57b4 | 6707 | goto out; |
bf269551 CL |
6708 | status = decode_lookup(xdr); |
6709 | if (status) | |
683b57b4 | 6710 | goto out; |
bf269551 | 6711 | xdr_enter_page(xdr, PAGE_SIZE); |
8b7e3f49 TM |
6712 | status = decode_getfattr_generic(xdr, &res->fs_locations->fattr, |
6713 | NULL, res->fs_locations, | |
6714 | res->fs_locations->server); | |
683b57b4 TM |
6715 | out: |
6716 | return status; | |
6717 | } | |
6718 | ||
5a5ea0d4 BS |
6719 | /* |
6720 | * Decode SECINFO response | |
6721 | */ | |
6722 | static int nfs4_xdr_dec_secinfo(struct rpc_rqst *rqstp, | |
6723 | struct xdr_stream *xdr, | |
6724 | struct nfs4_secinfo_res *res) | |
6725 | { | |
6726 | struct compound_hdr hdr; | |
6727 | int status; | |
6728 | ||
6729 | status = decode_compound_hdr(xdr, &hdr); | |
6730 | if (status) | |
6731 | goto out; | |
6732 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6733 | if (status) | |
6734 | goto out; | |
6735 | status = decode_putfh(xdr); | |
6736 | if (status) | |
6737 | goto out; | |
6738 | status = decode_secinfo(xdr, res); | |
5a5ea0d4 BS |
6739 | out: |
6740 | return status; | |
6741 | } | |
6742 | ||
99fe60d0 | 6743 | #if defined(CONFIG_NFS_V4_1) |
7c44f1ae WAA |
6744 | /* |
6745 | * Decode BIND_CONN_TO_SESSION response | |
6746 | */ | |
6747 | static int nfs4_xdr_dec_bind_conn_to_session(struct rpc_rqst *rqstp, | |
6748 | struct xdr_stream *xdr, | |
6749 | void *res) | |
6750 | { | |
6751 | struct compound_hdr hdr; | |
6752 | int status; | |
6753 | ||
6754 | status = decode_compound_hdr(xdr, &hdr); | |
6755 | if (!status) | |
6756 | status = decode_bind_conn_to_session(xdr, res); | |
6757 | return status; | |
6758 | } | |
6759 | ||
99fe60d0 | 6760 | /* |
8b173218 | 6761 | * Decode EXCHANGE_ID response |
99fe60d0 | 6762 | */ |
bf269551 CL |
6763 | static int nfs4_xdr_dec_exchange_id(struct rpc_rqst *rqstp, |
6764 | struct xdr_stream *xdr, | |
99fe60d0 BH |
6765 | void *res) |
6766 | { | |
99fe60d0 BH |
6767 | struct compound_hdr hdr; |
6768 | int status; | |
6769 | ||
bf269551 | 6770 | status = decode_compound_hdr(xdr, &hdr); |
99fe60d0 | 6771 | if (!status) |
bf269551 | 6772 | status = decode_exchange_id(xdr, res); |
99fe60d0 BH |
6773 | return status; |
6774 | } | |
2050f0cc | 6775 | |
fc931582 | 6776 | /* |
8b173218 | 6777 | * Decode CREATE_SESSION response |
fc931582 | 6778 | */ |
bf269551 CL |
6779 | static int nfs4_xdr_dec_create_session(struct rpc_rqst *rqstp, |
6780 | struct xdr_stream *xdr, | |
fc931582 AA |
6781 | struct nfs41_create_session_res *res) |
6782 | { | |
fc931582 AA |
6783 | struct compound_hdr hdr; |
6784 | int status; | |
6785 | ||
bf269551 | 6786 | status = decode_compound_hdr(xdr, &hdr); |
fc931582 | 6787 | if (!status) |
bf269551 | 6788 | status = decode_create_session(xdr, res); |
fc931582 AA |
6789 | return status; |
6790 | } | |
6791 | ||
0f3e66c6 | 6792 | /* |
8b173218 | 6793 | * Decode DESTROY_SESSION response |
0f3e66c6 | 6794 | */ |
bf269551 CL |
6795 | static int nfs4_xdr_dec_destroy_session(struct rpc_rqst *rqstp, |
6796 | struct xdr_stream *xdr, | |
6797 | void *res) | |
0f3e66c6 | 6798 | { |
0f3e66c6 AA |
6799 | struct compound_hdr hdr; |
6800 | int status; | |
6801 | ||
bf269551 | 6802 | status = decode_compound_hdr(xdr, &hdr); |
0f3e66c6 | 6803 | if (!status) |
bf269551 | 6804 | status = decode_destroy_session(xdr, res); |
0f3e66c6 AA |
6805 | return status; |
6806 | } | |
6807 | ||
66245539 TM |
6808 | /* |
6809 | * Decode DESTROY_CLIENTID response | |
6810 | */ | |
6811 | static int nfs4_xdr_dec_destroy_clientid(struct rpc_rqst *rqstp, | |
6812 | struct xdr_stream *xdr, | |
6813 | void *res) | |
6814 | { | |
6815 | struct compound_hdr hdr; | |
6816 | int status; | |
6817 | ||
6818 | status = decode_compound_hdr(xdr, &hdr); | |
6819 | if (!status) | |
6820 | status = decode_destroy_clientid(xdr, res); | |
6821 | return status; | |
6822 | } | |
6823 | ||
fc01cea9 | 6824 | /* |
8b173218 | 6825 | * Decode SEQUENCE response |
fc01cea9 | 6826 | */ |
bf269551 CL |
6827 | static int nfs4_xdr_dec_sequence(struct rpc_rqst *rqstp, |
6828 | struct xdr_stream *xdr, | |
fc01cea9 AA |
6829 | struct nfs4_sequence_res *res) |
6830 | { | |
fc01cea9 AA |
6831 | struct compound_hdr hdr; |
6832 | int status; | |
6833 | ||
bf269551 | 6834 | status = decode_compound_hdr(xdr, &hdr); |
fc01cea9 | 6835 | if (!status) |
bf269551 | 6836 | status = decode_sequence(xdr, res, rqstp); |
fc01cea9 AA |
6837 | return status; |
6838 | } | |
6839 | ||
2050f0cc | 6840 | /* |
8b173218 | 6841 | * Decode GET_LEASE_TIME response |
2050f0cc | 6842 | */ |
bf269551 CL |
6843 | static int nfs4_xdr_dec_get_lease_time(struct rpc_rqst *rqstp, |
6844 | struct xdr_stream *xdr, | |
2050f0cc AA |
6845 | struct nfs4_get_lease_time_res *res) |
6846 | { | |
2050f0cc AA |
6847 | struct compound_hdr hdr; |
6848 | int status; | |
6849 | ||
bf269551 | 6850 | status = decode_compound_hdr(xdr, &hdr); |
2050f0cc | 6851 | if (!status) |
bf269551 | 6852 | status = decode_sequence(xdr, &res->lr_seq_res, rqstp); |
2050f0cc | 6853 | if (!status) |
bf269551 | 6854 | status = decode_putrootfh(xdr); |
2050f0cc | 6855 | if (!status) |
bf269551 | 6856 | status = decode_fsinfo(xdr, res->lr_fsinfo); |
2050f0cc AA |
6857 | return status; |
6858 | } | |
18019753 RL |
6859 | |
6860 | /* | |
6861 | * Decode RECLAIM_COMPLETE response | |
6862 | */ | |
bf269551 CL |
6863 | static int nfs4_xdr_dec_reclaim_complete(struct rpc_rqst *rqstp, |
6864 | struct xdr_stream *xdr, | |
18019753 RL |
6865 | struct nfs41_reclaim_complete_res *res) |
6866 | { | |
18019753 RL |
6867 | struct compound_hdr hdr; |
6868 | int status; | |
6869 | ||
bf269551 | 6870 | status = decode_compound_hdr(xdr, &hdr); |
18019753 | 6871 | if (!status) |
bf269551 | 6872 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
18019753 | 6873 | if (!status) |
bf269551 | 6874 | status = decode_reclaim_complete(xdr, (void *)NULL); |
18019753 RL |
6875 | return status; |
6876 | } | |
b1f69b75 | 6877 | |
7f11d8d3 AA |
6878 | /* |
6879 | * Decode GETDEVICELIST response | |
6880 | */ | |
6881 | static int nfs4_xdr_dec_getdevicelist(struct rpc_rqst *rqstp, | |
6882 | struct xdr_stream *xdr, | |
6883 | struct nfs4_getdevicelist_res *res) | |
6884 | { | |
6885 | struct compound_hdr hdr; | |
6886 | int status; | |
6887 | ||
6888 | dprintk("encoding getdevicelist!\n"); | |
6889 | ||
6890 | status = decode_compound_hdr(xdr, &hdr); | |
6891 | if (status != 0) | |
6892 | goto out; | |
6893 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6894 | if (status != 0) | |
6895 | goto out; | |
6896 | status = decode_putfh(xdr); | |
6897 | if (status != 0) | |
6898 | goto out; | |
6899 | status = decode_getdevicelist(xdr, res->devlist); | |
6900 | out: | |
6901 | return status; | |
6902 | } | |
6903 | ||
b1f69b75 AA |
6904 | /* |
6905 | * Decode GETDEVINFO response | |
6906 | */ | |
bf269551 CL |
6907 | static int nfs4_xdr_dec_getdeviceinfo(struct rpc_rqst *rqstp, |
6908 | struct xdr_stream *xdr, | |
b1f69b75 AA |
6909 | struct nfs4_getdeviceinfo_res *res) |
6910 | { | |
b1f69b75 AA |
6911 | struct compound_hdr hdr; |
6912 | int status; | |
6913 | ||
bf269551 | 6914 | status = decode_compound_hdr(xdr, &hdr); |
b1f69b75 AA |
6915 | if (status != 0) |
6916 | goto out; | |
bf269551 | 6917 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
b1f69b75 AA |
6918 | if (status != 0) |
6919 | goto out; | |
bf269551 | 6920 | status = decode_getdeviceinfo(xdr, res->pdev); |
b1f69b75 AA |
6921 | out: |
6922 | return status; | |
6923 | } | |
6924 | ||
6925 | /* | |
6926 | * Decode LAYOUTGET response | |
6927 | */ | |
bf269551 CL |
6928 | static int nfs4_xdr_dec_layoutget(struct rpc_rqst *rqstp, |
6929 | struct xdr_stream *xdr, | |
b1f69b75 AA |
6930 | struct nfs4_layoutget_res *res) |
6931 | { | |
b1f69b75 AA |
6932 | struct compound_hdr hdr; |
6933 | int status; | |
6934 | ||
bf269551 | 6935 | status = decode_compound_hdr(xdr, &hdr); |
b1f69b75 AA |
6936 | if (status) |
6937 | goto out; | |
bf269551 | 6938 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
b1f69b75 AA |
6939 | if (status) |
6940 | goto out; | |
bf269551 | 6941 | status = decode_putfh(xdr); |
b1f69b75 AA |
6942 | if (status) |
6943 | goto out; | |
bf269551 | 6944 | status = decode_layoutget(xdr, rqstp, res); |
b1f69b75 AA |
6945 | out: |
6946 | return status; | |
6947 | } | |
863a3c6c | 6948 | |
cbe82603 BH |
6949 | /* |
6950 | * Decode LAYOUTRETURN response | |
6951 | */ | |
6952 | static int nfs4_xdr_dec_layoutreturn(struct rpc_rqst *rqstp, | |
6953 | struct xdr_stream *xdr, | |
6954 | struct nfs4_layoutreturn_res *res) | |
6955 | { | |
6956 | struct compound_hdr hdr; | |
6957 | int status; | |
6958 | ||
6959 | status = decode_compound_hdr(xdr, &hdr); | |
6960 | if (status) | |
6961 | goto out; | |
6962 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6963 | if (status) | |
6964 | goto out; | |
6965 | status = decode_putfh(xdr); | |
6966 | if (status) | |
6967 | goto out; | |
6968 | status = decode_layoutreturn(xdr, res); | |
6969 | out: | |
6970 | return status; | |
6971 | } | |
6972 | ||
863a3c6c AA |
6973 | /* |
6974 | * Decode LAYOUTCOMMIT response | |
6975 | */ | |
6976 | static int nfs4_xdr_dec_layoutcommit(struct rpc_rqst *rqstp, | |
6977 | struct xdr_stream *xdr, | |
6978 | struct nfs4_layoutcommit_res *res) | |
6979 | { | |
6980 | struct compound_hdr hdr; | |
6981 | int status; | |
6982 | ||
6983 | status = decode_compound_hdr(xdr, &hdr); | |
6984 | if (status) | |
6985 | goto out; | |
6986 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6987 | if (status) | |
6988 | goto out; | |
6989 | status = decode_putfh(xdr); | |
6990 | if (status) | |
6991 | goto out; | |
6992 | status = decode_layoutcommit(xdr, rqstp, res); | |
6993 | if (status) | |
6994 | goto out; | |
6926afd1 | 6995 | decode_getfattr(xdr, res->fattr, res->server); |
863a3c6c AA |
6996 | out: |
6997 | return status; | |
6998 | } | |
fca78d6d BS |
6999 | |
7000 | /* | |
7001 | * Decode SECINFO_NO_NAME response | |
7002 | */ | |
7003 | static int nfs4_xdr_dec_secinfo_no_name(struct rpc_rqst *rqstp, | |
7004 | struct xdr_stream *xdr, | |
7005 | struct nfs4_secinfo_res *res) | |
7006 | { | |
7007 | struct compound_hdr hdr; | |
7008 | int status; | |
7009 | ||
7010 | status = decode_compound_hdr(xdr, &hdr); | |
7011 | if (status) | |
7012 | goto out; | |
7013 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7014 | if (status) | |
7015 | goto out; | |
7016 | status = decode_putrootfh(xdr); | |
7017 | if (status) | |
7018 | goto out; | |
31e4dda4 | 7019 | status = decode_secinfo_no_name(xdr, res); |
fca78d6d BS |
7020 | out: |
7021 | return status; | |
7022 | } | |
7d974794 BS |
7023 | |
7024 | /* | |
7025 | * Decode TEST_STATEID response | |
7026 | */ | |
7027 | static int nfs4_xdr_dec_test_stateid(struct rpc_rqst *rqstp, | |
7028 | struct xdr_stream *xdr, | |
7029 | struct nfs41_test_stateid_res *res) | |
7030 | { | |
7031 | struct compound_hdr hdr; | |
7032 | int status; | |
7033 | ||
7034 | status = decode_compound_hdr(xdr, &hdr); | |
7035 | if (status) | |
7036 | goto out; | |
7037 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7038 | if (status) | |
7039 | goto out; | |
7040 | status = decode_test_stateid(xdr, res); | |
7041 | out: | |
7042 | return status; | |
7043 | } | |
9aeda35f BS |
7044 | |
7045 | /* | |
7046 | * Decode FREE_STATEID response | |
7047 | */ | |
7048 | static int nfs4_xdr_dec_free_stateid(struct rpc_rqst *rqstp, | |
7049 | struct xdr_stream *xdr, | |
7050 | struct nfs41_free_stateid_res *res) | |
7051 | { | |
7052 | struct compound_hdr hdr; | |
7053 | int status; | |
7054 | ||
7055 | status = decode_compound_hdr(xdr, &hdr); | |
7056 | if (status) | |
7057 | goto out; | |
7058 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7059 | if (status) | |
7060 | goto out; | |
7061 | status = decode_free_stateid(xdr, res); | |
7062 | out: | |
7063 | return status; | |
7064 | } | |
99fe60d0 BH |
7065 | #endif /* CONFIG_NFS_V4_1 */ |
7066 | ||
573c4e1e CL |
7067 | /** |
7068 | * nfs4_decode_dirent - Decode a single NFSv4 directory entry stored in | |
7069 | * the local page cache. | |
7070 | * @xdr: XDR stream where entry resides | |
7071 | * @entry: buffer to fill in with entry data | |
7072 | * @plus: boolean indicating whether this should be a readdirplus entry | |
7073 | * | |
7074 | * Returns zero if successful, otherwise a negative errno value is | |
7075 | * returned. | |
7076 | * | |
7077 | * This function is not invoked during READDIR reply decoding, but | |
7078 | * rather whenever an application invokes the getdents(2) system call | |
7079 | * on a directory already in our cache. | |
7080 | */ | |
7081 | int nfs4_decode_dirent(struct xdr_stream *xdr, struct nfs_entry *entry, | |
7082 | int plus) | |
1da177e4 | 7083 | { |
256e48bb | 7084 | unsigned int savep; |
dae100c2 | 7085 | uint32_t bitmap[3] = {0}; |
1da177e4 | 7086 | uint32_t len; |
babddc72 BS |
7087 | __be32 *p = xdr_inline_decode(xdr, 4); |
7088 | if (unlikely(!p)) | |
7089 | goto out_overflow; | |
c08e76d0 | 7090 | if (*p == xdr_zero) { |
babddc72 BS |
7091 | p = xdr_inline_decode(xdr, 4); |
7092 | if (unlikely(!p)) | |
7093 | goto out_overflow; | |
c08e76d0 | 7094 | if (*p == xdr_zero) |
573c4e1e | 7095 | return -EAGAIN; |
1da177e4 | 7096 | entry->eof = 1; |
573c4e1e | 7097 | return -EBADCOOKIE; |
1da177e4 LT |
7098 | } |
7099 | ||
babddc72 BS |
7100 | p = xdr_inline_decode(xdr, 12); |
7101 | if (unlikely(!p)) | |
7102 | goto out_overflow; | |
1da177e4 LT |
7103 | entry->prev_cookie = entry->cookie; |
7104 | p = xdr_decode_hyper(p, &entry->cookie); | |
c08e76d0 | 7105 | entry->len = be32_to_cpup(p); |
babddc72 | 7106 | |
9af8c222 | 7107 | p = xdr_inline_decode(xdr, entry->len); |
babddc72 BS |
7108 | if (unlikely(!p)) |
7109 | goto out_overflow; | |
1da177e4 | 7110 | entry->name = (const char *) p; |
1da177e4 LT |
7111 | |
7112 | /* | |
7113 | * In case the server doesn't return an inode number, | |
7114 | * we fake one here. (We don't use inode number 0, | |
7115 | * since glibc seems to choke on it...) | |
7116 | */ | |
7117 | entry->ino = 1; | |
4f082222 | 7118 | entry->fattr->valid = 0; |
1da177e4 | 7119 | |
9af8c222 TM |
7120 | if (decode_attr_bitmap(xdr, bitmap) < 0) |
7121 | goto out_overflow; | |
7122 | ||
256e48bb | 7123 | if (decode_attr_length(xdr, &len, &savep) < 0) |
9af8c222 TM |
7124 | goto out_overflow; |
7125 | ||
573c4e1e | 7126 | if (decode_getfattr_attrs(xdr, bitmap, entry->fattr, entry->fh, |
8b7e3f49 | 7127 | NULL, entry->server) < 0) |
9af8c222 | 7128 | goto out_overflow; |
28331a46 TM |
7129 | if (entry->fattr->valid & NFS_ATTR_FATTR_MOUNTED_ON_FILEID) |
7130 | entry->ino = entry->fattr->mounted_on_fileid; | |
7131 | else if (entry->fattr->valid & NFS_ATTR_FATTR_FILEID) | |
9af8c222 TM |
7132 | entry->ino = entry->fattr->fileid; |
7133 | ||
0b26a0bf TM |
7134 | entry->d_type = DT_UNKNOWN; |
7135 | if (entry->fattr->valid & NFS_ATTR_FATTR_TYPE) | |
7136 | entry->d_type = nfs_umode_to_dtype(entry->fattr->mode); | |
7137 | ||
573c4e1e | 7138 | return 0; |
babddc72 BS |
7139 | |
7140 | out_overflow: | |
7141 | print_overflow_msg(__func__, xdr); | |
573c4e1e | 7142 | return -EAGAIN; |
1da177e4 LT |
7143 | } |
7144 | ||
7145 | /* | |
7146 | * We need to translate between nfs status return values and | |
7147 | * the local errno values which may not be the same. | |
7148 | */ | |
7149 | static struct { | |
7150 | int stat; | |
7151 | int errno; | |
7152 | } nfs_errtbl[] = { | |
7153 | { NFS4_OK, 0 }, | |
856dff3d BH |
7154 | { NFS4ERR_PERM, -EPERM }, |
7155 | { NFS4ERR_NOENT, -ENOENT }, | |
7156 | { NFS4ERR_IO, -errno_NFSERR_IO}, | |
7157 | { NFS4ERR_NXIO, -ENXIO }, | |
7158 | { NFS4ERR_ACCESS, -EACCES }, | |
7159 | { NFS4ERR_EXIST, -EEXIST }, | |
7160 | { NFS4ERR_XDEV, -EXDEV }, | |
7161 | { NFS4ERR_NOTDIR, -ENOTDIR }, | |
7162 | { NFS4ERR_ISDIR, -EISDIR }, | |
7163 | { NFS4ERR_INVAL, -EINVAL }, | |
7164 | { NFS4ERR_FBIG, -EFBIG }, | |
7165 | { NFS4ERR_NOSPC, -ENOSPC }, | |
7166 | { NFS4ERR_ROFS, -EROFS }, | |
7167 | { NFS4ERR_MLINK, -EMLINK }, | |
7168 | { NFS4ERR_NAMETOOLONG, -ENAMETOOLONG }, | |
7169 | { NFS4ERR_NOTEMPTY, -ENOTEMPTY }, | |
7170 | { NFS4ERR_DQUOT, -EDQUOT }, | |
7171 | { NFS4ERR_STALE, -ESTALE }, | |
7172 | { NFS4ERR_BADHANDLE, -EBADHANDLE }, | |
856dff3d BH |
7173 | { NFS4ERR_BAD_COOKIE, -EBADCOOKIE }, |
7174 | { NFS4ERR_NOTSUPP, -ENOTSUPP }, | |
7175 | { NFS4ERR_TOOSMALL, -ETOOSMALL }, | |
fdcb4577 | 7176 | { NFS4ERR_SERVERFAULT, -EREMOTEIO }, |
856dff3d BH |
7177 | { NFS4ERR_BADTYPE, -EBADTYPE }, |
7178 | { NFS4ERR_LOCKED, -EAGAIN }, | |
856dff3d BH |
7179 | { NFS4ERR_SYMLINK, -ELOOP }, |
7180 | { NFS4ERR_OP_ILLEGAL, -EOPNOTSUPP }, | |
7181 | { NFS4ERR_DEADLOCK, -EDEADLK }, | |
856dff3d | 7182 | { -1, -EIO } |
1da177e4 LT |
7183 | }; |
7184 | ||
7185 | /* | |
7186 | * Convert an NFS error code to a local one. | |
7187 | * This one is used jointly by NFSv2 and NFSv3. | |
7188 | */ | |
7189 | static int | |
0a8ea437 | 7190 | nfs4_stat_to_errno(int stat) |
1da177e4 LT |
7191 | { |
7192 | int i; | |
7193 | for (i = 0; nfs_errtbl[i].stat != -1; i++) { | |
7194 | if (nfs_errtbl[i].stat == stat) | |
7195 | return nfs_errtbl[i].errno; | |
7196 | } | |
7197 | if (stat <= 10000 || stat > 10100) { | |
7198 | /* The server is looney tunes. */ | |
fdcb4577 | 7199 | return -EREMOTEIO; |
1da177e4 LT |
7200 | } |
7201 | /* If we cannot translate the error, the recovery routines should | |
7202 | * handle it. | |
7203 | * Note: remaining NFSv4 error codes have values > 10000, so should | |
7204 | * not conflict with native Linux error codes. | |
7205 | */ | |
856dff3d | 7206 | return -stat; |
1da177e4 LT |
7207 | } |
7208 | ||
1da177e4 LT |
7209 | #define PROC(proc, argtype, restype) \ |
7210 | [NFSPROC4_CLNT_##proc] = { \ | |
7211 | .p_proc = NFSPROC4_COMPOUND, \ | |
9f06c719 | 7212 | .p_encode = (kxdreproc_t)nfs4_xdr_##argtype, \ |
bf269551 | 7213 | .p_decode = (kxdrdproc_t)nfs4_xdr_##restype, \ |
2bea90d4 CL |
7214 | .p_arglen = NFS4_##argtype##_sz, \ |
7215 | .p_replen = NFS4_##restype##_sz, \ | |
cc0175c1 CL |
7216 | .p_statidx = NFSPROC4_CLNT_##proc, \ |
7217 | .p_name = #proc, \ | |
05d564fe | 7218 | } |
1da177e4 LT |
7219 | |
7220 | struct rpc_procinfo nfs4_procedures[] = { | |
7d93bd71 CL |
7221 | PROC(READ, enc_read, dec_read), |
7222 | PROC(WRITE, enc_write, dec_write), | |
7223 | PROC(COMMIT, enc_commit, dec_commit), | |
7224 | PROC(OPEN, enc_open, dec_open), | |
7225 | PROC(OPEN_CONFIRM, enc_open_confirm, dec_open_confirm), | |
7226 | PROC(OPEN_NOATTR, enc_open_noattr, dec_open_noattr), | |
7227 | PROC(OPEN_DOWNGRADE, enc_open_downgrade, dec_open_downgrade), | |
7228 | PROC(CLOSE, enc_close, dec_close), | |
7229 | PROC(SETATTR, enc_setattr, dec_setattr), | |
7230 | PROC(FSINFO, enc_fsinfo, dec_fsinfo), | |
7231 | PROC(RENEW, enc_renew, dec_renew), | |
7232 | PROC(SETCLIENTID, enc_setclientid, dec_setclientid), | |
7233 | PROC(SETCLIENTID_CONFIRM, enc_setclientid_confirm, dec_setclientid_confirm), | |
7234 | PROC(LOCK, enc_lock, dec_lock), | |
7235 | PROC(LOCKT, enc_lockt, dec_lockt), | |
7236 | PROC(LOCKU, enc_locku, dec_locku), | |
7237 | PROC(ACCESS, enc_access, dec_access), | |
7238 | PROC(GETATTR, enc_getattr, dec_getattr), | |
7239 | PROC(LOOKUP, enc_lookup, dec_lookup), | |
7240 | PROC(LOOKUP_ROOT, enc_lookup_root, dec_lookup_root), | |
7241 | PROC(REMOVE, enc_remove, dec_remove), | |
7242 | PROC(RENAME, enc_rename, dec_rename), | |
7243 | PROC(LINK, enc_link, dec_link), | |
7244 | PROC(SYMLINK, enc_symlink, dec_symlink), | |
7245 | PROC(CREATE, enc_create, dec_create), | |
7246 | PROC(PATHCONF, enc_pathconf, dec_pathconf), | |
7247 | PROC(STATFS, enc_statfs, dec_statfs), | |
7248 | PROC(READLINK, enc_readlink, dec_readlink), | |
7249 | PROC(READDIR, enc_readdir, dec_readdir), | |
7250 | PROC(SERVER_CAPS, enc_server_caps, dec_server_caps), | |
7251 | PROC(DELEGRETURN, enc_delegreturn, dec_delegreturn), | |
7252 | PROC(GETACL, enc_getacl, dec_getacl), | |
7253 | PROC(SETACL, enc_setacl, dec_setacl), | |
7254 | PROC(FS_LOCATIONS, enc_fs_locations, dec_fs_locations), | |
7255 | PROC(RELEASE_LOCKOWNER, enc_release_lockowner, dec_release_lockowner), | |
5a5ea0d4 | 7256 | PROC(SECINFO, enc_secinfo, dec_secinfo), |
99fe60d0 | 7257 | #if defined(CONFIG_NFS_V4_1) |
7d93bd71 CL |
7258 | PROC(EXCHANGE_ID, enc_exchange_id, dec_exchange_id), |
7259 | PROC(CREATE_SESSION, enc_create_session, dec_create_session), | |
7260 | PROC(DESTROY_SESSION, enc_destroy_session, dec_destroy_session), | |
7261 | PROC(SEQUENCE, enc_sequence, dec_sequence), | |
7262 | PROC(GET_LEASE_TIME, enc_get_lease_time, dec_get_lease_time), | |
7263 | PROC(RECLAIM_COMPLETE, enc_reclaim_complete, dec_reclaim_complete), | |
7264 | PROC(GETDEVICEINFO, enc_getdeviceinfo, dec_getdeviceinfo), | |
7265 | PROC(LAYOUTGET, enc_layoutget, dec_layoutget), | |
863a3c6c | 7266 | PROC(LAYOUTCOMMIT, enc_layoutcommit, dec_layoutcommit), |
cbe82603 | 7267 | PROC(LAYOUTRETURN, enc_layoutreturn, dec_layoutreturn), |
fca78d6d | 7268 | PROC(SECINFO_NO_NAME, enc_secinfo_no_name, dec_secinfo_no_name), |
7d974794 | 7269 | PROC(TEST_STATEID, enc_test_stateid, dec_test_stateid), |
9aeda35f | 7270 | PROC(FREE_STATEID, enc_free_stateid, dec_free_stateid), |
7f11d8d3 | 7271 | PROC(GETDEVICELIST, enc_getdevicelist, dec_getdevicelist), |
ad24ecfb TM |
7272 | PROC(BIND_CONN_TO_SESSION, |
7273 | enc_bind_conn_to_session, dec_bind_conn_to_session), | |
66245539 | 7274 | PROC(DESTROY_CLIENTID, enc_destroy_clientid, dec_destroy_clientid), |
99fe60d0 | 7275 | #endif /* CONFIG_NFS_V4_1 */ |
1da177e4 LT |
7276 | }; |
7277 | ||
a613fa16 | 7278 | const struct rpc_version nfs_version4 = { |
1da177e4 | 7279 | .number = 4, |
e8c96f8c | 7280 | .nrprocs = ARRAY_SIZE(nfs4_procedures), |
1da177e4 LT |
7281 | .procs = nfs4_procedures |
7282 | }; | |
7283 | ||
7284 | /* | |
7285 | * Local variables: | |
7286 | * c-basic-offset: 8 | |
7287 | * End: | |
7288 | */ |