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; | |
a09df2ca | 982 | uint32_t bmval2 = 0; |
1da177e4 LT |
983 | |
984 | /* | |
985 | * We reserve enough space to write the entire attribute buffer at once. | |
986 | * In the worst-case, this would be | |
a09df2ca DQ |
987 | * 16(bitmap) + 4(attrlen) + 8(size) + 4(mode) + 4(atime) + 4(mtime) |
988 | * = 40 bytes, plus any contribution from variable-length fields | |
23ec6965 | 989 | * such as owner/group. |
1da177e4 | 990 | */ |
a09df2ca | 991 | len = 20; |
1da177e4 LT |
992 | |
993 | /* Sigh */ | |
994 | if (iap->ia_valid & ATTR_SIZE) | |
995 | len += 8; | |
996 | if (iap->ia_valid & ATTR_MODE) | |
997 | len += 4; | |
998 | if (iap->ia_valid & ATTR_UID) { | |
e4fd72a1 | 999 | owner_namelen = nfs_map_uid_to_name(server, iap->ia_uid, owner_name, IDMAP_NAMESZ); |
1da177e4 | 1000 | if (owner_namelen < 0) { |
fe82a183 | 1001 | dprintk("nfs: couldn't resolve uid %d to string\n", |
e5782076 | 1002 | from_kuid(&init_user_ns, iap->ia_uid)); |
1da177e4 LT |
1003 | /* XXX */ |
1004 | strcpy(owner_name, "nobody"); | |
1005 | owner_namelen = sizeof("nobody") - 1; | |
1006 | /* goto out; */ | |
1007 | } | |
1008 | len += 4 + (XDR_QUADLEN(owner_namelen) << 2); | |
1009 | } | |
1010 | if (iap->ia_valid & ATTR_GID) { | |
e4fd72a1 | 1011 | owner_grouplen = nfs_map_gid_to_group(server, iap->ia_gid, owner_group, IDMAP_NAMESZ); |
1da177e4 | 1012 | if (owner_grouplen < 0) { |
fe82a183 | 1013 | dprintk("nfs: couldn't resolve gid %d to string\n", |
e5782076 | 1014 | from_kgid(&init_user_ns, iap->ia_gid)); |
1da177e4 LT |
1015 | strcpy(owner_group, "nobody"); |
1016 | owner_grouplen = sizeof("nobody") - 1; | |
1017 | /* goto out; */ | |
1018 | } | |
1019 | len += 4 + (XDR_QUADLEN(owner_grouplen) << 2); | |
1020 | } | |
1021 | if (iap->ia_valid & ATTR_ATIME_SET) | |
1022 | len += 16; | |
1023 | else if (iap->ia_valid & ATTR_ATIME) | |
1024 | len += 4; | |
1025 | if (iap->ia_valid & ATTR_MTIME_SET) | |
1026 | len += 16; | |
1027 | else if (iap->ia_valid & ATTR_MTIME) | |
1028 | len += 4; | |
13c65ce9 | 1029 | p = reserve_space(xdr, len); |
1da177e4 LT |
1030 | |
1031 | /* | |
1032 | * We write the bitmap length now, but leave the bitmap and the attribute | |
1033 | * buffer length to be backfilled at the end of this routine. | |
1034 | */ | |
a09df2ca | 1035 | *p++ = cpu_to_be32(3); |
1da177e4 | 1036 | q = p; |
a09df2ca | 1037 | p += 4; |
1da177e4 LT |
1038 | |
1039 | if (iap->ia_valid & ATTR_SIZE) { | |
1040 | bmval0 |= FATTR4_WORD0_SIZE; | |
b95be5a9 | 1041 | p = xdr_encode_hyper(p, iap->ia_size); |
1da177e4 LT |
1042 | } |
1043 | if (iap->ia_valid & ATTR_MODE) { | |
1044 | bmval1 |= FATTR4_WORD1_MODE; | |
e75bc1c8 | 1045 | *p++ = cpu_to_be32(iap->ia_mode & S_IALLUGO); |
1da177e4 LT |
1046 | } |
1047 | if (iap->ia_valid & ATTR_UID) { | |
1048 | bmval1 |= FATTR4_WORD1_OWNER; | |
811652bd | 1049 | p = xdr_encode_opaque(p, owner_name, owner_namelen); |
1da177e4 LT |
1050 | } |
1051 | if (iap->ia_valid & ATTR_GID) { | |
1052 | bmval1 |= FATTR4_WORD1_OWNER_GROUP; | |
811652bd | 1053 | p = xdr_encode_opaque(p, owner_group, owner_grouplen); |
1da177e4 LT |
1054 | } |
1055 | if (iap->ia_valid & ATTR_ATIME_SET) { | |
1056 | bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET; | |
e75bc1c8 | 1057 | *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); |
042ad0b3 | 1058 | p = xdr_encode_hyper(p, (s64)iap->ia_atime.tv_sec); |
d3f6baaa | 1059 | *p++ = cpu_to_be32(iap->ia_atime.tv_nsec); |
1da177e4 LT |
1060 | } |
1061 | else if (iap->ia_valid & ATTR_ATIME) { | |
1062 | bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET; | |
e75bc1c8 | 1063 | *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); |
1da177e4 LT |
1064 | } |
1065 | if (iap->ia_valid & ATTR_MTIME_SET) { | |
1066 | bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET; | |
e75bc1c8 | 1067 | *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); |
042ad0b3 | 1068 | p = xdr_encode_hyper(p, (s64)iap->ia_mtime.tv_sec); |
e75bc1c8 | 1069 | *p++ = cpu_to_be32(iap->ia_mtime.tv_nsec); |
1da177e4 LT |
1070 | } |
1071 | else if (iap->ia_valid & ATTR_MTIME) { | |
1072 | bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET; | |
e75bc1c8 | 1073 | *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); |
1da177e4 | 1074 | } |
6c0195a4 | 1075 | |
1da177e4 LT |
1076 | /* |
1077 | * Now we backfill the bitmap and the attribute buffer length. | |
1078 | */ | |
1079 | if (len != ((char *)p - (char *)q) + 4) { | |
f9fd2d9c | 1080 | printk(KERN_ERR "NFS: Attr length error, %u != %Zu\n", |
1da177e4 LT |
1081 | len, ((char *)p - (char *)q) + 4); |
1082 | BUG(); | |
1083 | } | |
a09df2ca | 1084 | len = (char *)p - (char *)q - 16; |
1da177e4 LT |
1085 | *q++ = htonl(bmval0); |
1086 | *q++ = htonl(bmval1); | |
a09df2ca | 1087 | *q++ = htonl(bmval2); |
34558513 | 1088 | *q = htonl(len); |
1da177e4 | 1089 | |
1da177e4 | 1090 | /* out: */ |
1da177e4 LT |
1091 | } |
1092 | ||
cf8cdbe5 | 1093 | static void encode_access(struct xdr_stream *xdr, u32 access, struct compound_hdr *hdr) |
1da177e4 | 1094 | { |
475d4ba0 TM |
1095 | encode_op_hdr(xdr, OP_ACCESS, decode_access_maxsz, hdr); |
1096 | encode_uint32(xdr, access); | |
1da177e4 LT |
1097 | } |
1098 | ||
cf8cdbe5 | 1099 | static void encode_close(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1100 | { |
ab19b481 | 1101 | encode_op_hdr(xdr, OP_CLOSE, decode_close_maxsz, hdr); |
4ade9821 | 1102 | encode_nfs4_seqid(xdr, arg->seqid); |
ea9d23f5 | 1103 | encode_nfs4_stateid(xdr, arg->stateid); |
1da177e4 LT |
1104 | } |
1105 | ||
0b7c0153 | 1106 | static void encode_commit(struct xdr_stream *xdr, const struct nfs_commitargs *args, struct compound_hdr *hdr) |
1da177e4 | 1107 | { |
8687b63a | 1108 | __be32 *p; |
6c0195a4 | 1109 | |
475d4ba0 TM |
1110 | encode_op_hdr(xdr, OP_COMMIT, decode_commit_maxsz, hdr); |
1111 | p = reserve_space(xdr, 12); | |
b95be5a9 | 1112 | p = xdr_encode_hyper(p, args->offset); |
34558513 | 1113 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1114 | } |
1115 | ||
cf8cdbe5 | 1116 | static void encode_create(struct xdr_stream *xdr, const struct nfs4_create_arg *create, struct compound_hdr *hdr) |
1da177e4 | 1117 | { |
8687b63a | 1118 | __be32 *p; |
6c0195a4 | 1119 | |
475d4ba0 TM |
1120 | encode_op_hdr(xdr, OP_CREATE, decode_create_maxsz, hdr); |
1121 | encode_uint32(xdr, create->ftype); | |
1da177e4 LT |
1122 | |
1123 | switch (create->ftype) { | |
1124 | case NF4LNK: | |
13c65ce9 | 1125 | p = reserve_space(xdr, 4); |
34558513 | 1126 | *p = cpu_to_be32(create->u.symlink.len); |
94a6d753 | 1127 | xdr_write_pages(xdr, create->u.symlink.pages, 0, create->u.symlink.len); |
1da177e4 LT |
1128 | break; |
1129 | ||
1130 | case NF4BLK: case NF4CHR: | |
13c65ce9 | 1131 | p = reserve_space(xdr, 8); |
e75bc1c8 | 1132 | *p++ = cpu_to_be32(create->u.device.specdata1); |
34558513 | 1133 | *p = cpu_to_be32(create->u.device.specdata2); |
1da177e4 LT |
1134 | break; |
1135 | ||
1136 | default: | |
1137 | break; | |
1138 | } | |
1139 | ||
811652bd | 1140 | encode_string(xdr, create->name->len, create->name->name); |
cf8cdbe5 | 1141 | encode_attrs(xdr, create->attrs, create->server); |
1da177e4 LT |
1142 | } |
1143 | ||
cf8cdbe5 | 1144 | static void encode_getattr_one(struct xdr_stream *xdr, uint32_t bitmap, struct compound_hdr *hdr) |
1da177e4 | 1145 | { |
05d564fe | 1146 | __be32 *p; |
1da177e4 | 1147 | |
475d4ba0 TM |
1148 | encode_op_hdr(xdr, OP_GETATTR, decode_getattr_maxsz, hdr); |
1149 | p = reserve_space(xdr, 8); | |
e75bc1c8 | 1150 | *p++ = cpu_to_be32(1); |
34558513 | 1151 | *p = cpu_to_be32(bitmap); |
1da177e4 LT |
1152 | } |
1153 | ||
cf8cdbe5 | 1154 | static void encode_getattr_two(struct xdr_stream *xdr, uint32_t bm0, uint32_t bm1, struct compound_hdr *hdr) |
1da177e4 | 1155 | { |
05d564fe | 1156 | __be32 *p; |
1da177e4 | 1157 | |
475d4ba0 TM |
1158 | encode_op_hdr(xdr, OP_GETATTR, decode_getattr_maxsz, hdr); |
1159 | p = reserve_space(xdr, 12); | |
e75bc1c8 BH |
1160 | *p++ = cpu_to_be32(2); |
1161 | *p++ = cpu_to_be32(bm0); | |
34558513 | 1162 | *p = cpu_to_be32(bm1); |
1da177e4 LT |
1163 | } |
1164 | ||
dae100c2 FI |
1165 | static void |
1166 | encode_getattr_three(struct xdr_stream *xdr, | |
1167 | uint32_t bm0, uint32_t bm1, uint32_t bm2, | |
1168 | struct compound_hdr *hdr) | |
1169 | { | |
1170 | __be32 *p; | |
1171 | ||
ab19b481 | 1172 | encode_op_hdr(xdr, OP_GETATTR, decode_getattr_maxsz, hdr); |
dae100c2 FI |
1173 | if (bm2) { |
1174 | p = reserve_space(xdr, 16); | |
1175 | *p++ = cpu_to_be32(3); | |
1176 | *p++ = cpu_to_be32(bm0); | |
1177 | *p++ = cpu_to_be32(bm1); | |
1178 | *p = cpu_to_be32(bm2); | |
1179 | } else if (bm1) { | |
1180 | p = reserve_space(xdr, 12); | |
1181 | *p++ = cpu_to_be32(2); | |
1182 | *p++ = cpu_to_be32(bm0); | |
1183 | *p = cpu_to_be32(bm1); | |
1184 | } else { | |
1185 | p = reserve_space(xdr, 8); | |
1186 | *p++ = cpu_to_be32(1); | |
1187 | *p = cpu_to_be32(bm0); | |
1188 | } | |
dae100c2 FI |
1189 | } |
1190 | ||
cf8cdbe5 | 1191 | static void encode_getfattr(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
1da177e4 | 1192 | { |
a09df2ca DQ |
1193 | encode_getattr_three(xdr, bitmask[0] & nfs4_fattr_bitmap[0], |
1194 | bitmask[1] & nfs4_fattr_bitmap[1], | |
1195 | bitmask[2] & nfs4_fattr_bitmap[2], | |
1196 | hdr); | |
1da177e4 LT |
1197 | } |
1198 | ||
88034c3d | 1199 | static void encode_getfattr_open(struct xdr_stream *xdr, const u32 *bitmask, |
1549210f | 1200 | const u32 *open_bitmap, |
88034c3d AA |
1201 | struct compound_hdr *hdr) |
1202 | { | |
1203 | encode_getattr_three(xdr, | |
1549210f TM |
1204 | bitmask[0] & open_bitmap[0], |
1205 | bitmask[1] & open_bitmap[1], | |
1206 | bitmask[2] & open_bitmap[2], | |
88034c3d AA |
1207 | hdr); |
1208 | } | |
1209 | ||
cf8cdbe5 | 1210 | static void encode_fsinfo(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
1da177e4 | 1211 | { |
dae100c2 FI |
1212 | encode_getattr_three(xdr, |
1213 | bitmask[0] & nfs4_fsinfo_bitmap[0], | |
1214 | bitmask[1] & nfs4_fsinfo_bitmap[1], | |
1215 | bitmask[2] & nfs4_fsinfo_bitmap[2], | |
1216 | hdr); | |
1da177e4 LT |
1217 | } |
1218 | ||
cf8cdbe5 | 1219 | static void encode_fs_locations(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
830b8e33 | 1220 | { |
cf8cdbe5 AA |
1221 | encode_getattr_two(xdr, bitmask[0] & nfs4_fs_locations_bitmap[0], |
1222 | bitmask[1] & nfs4_fs_locations_bitmap[1], hdr); | |
830b8e33 MN |
1223 | } |
1224 | ||
cf8cdbe5 | 1225 | static void encode_getfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1226 | { |
ab19b481 | 1227 | encode_op_hdr(xdr, OP_GETFH, decode_getfh_maxsz, hdr); |
1da177e4 LT |
1228 | } |
1229 | ||
cf8cdbe5 | 1230 | static void encode_link(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1231 | { |
ab19b481 | 1232 | encode_op_hdr(xdr, OP_LINK, decode_link_maxsz, hdr); |
6fdfb0bc | 1233 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1234 | } |
1235 | ||
911d1aaf TM |
1236 | static inline int nfs4_lock_type(struct file_lock *fl, int block) |
1237 | { | |
f44106e2 | 1238 | if (fl->fl_type == F_RDLCK) |
911d1aaf TM |
1239 | return block ? NFS4_READW_LT : NFS4_READ_LT; |
1240 | return block ? NFS4_WRITEW_LT : NFS4_WRITE_LT; | |
1241 | } | |
1242 | ||
1243 | static inline uint64_t nfs4_lock_length(struct file_lock *fl) | |
1244 | { | |
1245 | if (fl->fl_end == OFFSET_MAX) | |
1246 | return ~(uint64_t)0; | |
1247 | return fl->fl_end - fl->fl_start + 1; | |
1248 | } | |
1249 | ||
daccbded TM |
1250 | static void encode_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner) |
1251 | { | |
1252 | __be32 *p; | |
1253 | ||
d035c36c | 1254 | p = reserve_space(xdr, 32); |
daccbded | 1255 | p = xdr_encode_hyper(p, lowner->clientid); |
d035c36c | 1256 | *p++ = cpu_to_be32(20); |
daccbded | 1257 | p = xdr_encode_opaque_fixed(p, "lock id:", 8); |
d035c36c | 1258 | *p++ = cpu_to_be32(lowner->s_dev); |
daccbded TM |
1259 | xdr_encode_hyper(p, lowner->id); |
1260 | } | |
1261 | ||
1da177e4 LT |
1262 | /* |
1263 | * opcode,type,reclaim,offset,length,new_lock_owner = 32 | |
1264 | * open_seqid,open_stateid,lock_seqid,lock_owner.clientid, lock_owner.id = 40 | |
1265 | */ | |
cf8cdbe5 | 1266 | static void encode_lock(struct xdr_stream *xdr, const struct nfs_lock_args *args, struct compound_hdr *hdr) |
1da177e4 | 1267 | { |
8687b63a | 1268 | __be32 *p; |
1da177e4 | 1269 | |
475d4ba0 TM |
1270 | encode_op_hdr(xdr, OP_LOCK, decode_lock_maxsz, hdr); |
1271 | p = reserve_space(xdr, 28); | |
e75bc1c8 BH |
1272 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, args->block)); |
1273 | *p++ = cpu_to_be32(args->reclaim); | |
b95be5a9 BH |
1274 | p = xdr_encode_hyper(p, args->fl->fl_start); |
1275 | p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); | |
34558513 | 1276 | *p = cpu_to_be32(args->new_lock_owner); |
911d1aaf | 1277 | if (args->new_lock_owner){ |
4ade9821 | 1278 | encode_nfs4_seqid(xdr, args->open_seqid); |
ea9d23f5 | 1279 | encode_nfs4_stateid(xdr, args->open_stateid); |
4ade9821 | 1280 | encode_nfs4_seqid(xdr, args->lock_seqid); |
daccbded | 1281 | encode_lockowner(xdr, &args->lock_owner); |
1da177e4 LT |
1282 | } |
1283 | else { | |
ea9d23f5 | 1284 | encode_nfs4_stateid(xdr, args->lock_stateid); |
4ade9821 | 1285 | encode_nfs4_seqid(xdr, args->lock_seqid); |
1da177e4 | 1286 | } |
1da177e4 LT |
1287 | } |
1288 | ||
cf8cdbe5 | 1289 | static void encode_lockt(struct xdr_stream *xdr, const struct nfs_lockt_args *args, struct compound_hdr *hdr) |
1da177e4 | 1290 | { |
8687b63a | 1291 | __be32 *p; |
1da177e4 | 1292 | |
475d4ba0 TM |
1293 | encode_op_hdr(xdr, OP_LOCKT, decode_lockt_maxsz, hdr); |
1294 | p = reserve_space(xdr, 20); | |
e75bc1c8 | 1295 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, 0)); |
b95be5a9 BH |
1296 | p = xdr_encode_hyper(p, args->fl->fl_start); |
1297 | p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); | |
daccbded | 1298 | encode_lockowner(xdr, &args->lock_owner); |
1da177e4 LT |
1299 | } |
1300 | ||
cf8cdbe5 | 1301 | static void encode_locku(struct xdr_stream *xdr, const struct nfs_locku_args *args, struct compound_hdr *hdr) |
1da177e4 | 1302 | { |
8687b63a | 1303 | __be32 *p; |
1da177e4 | 1304 | |
475d4ba0 TM |
1305 | encode_op_hdr(xdr, OP_LOCKU, decode_locku_maxsz, hdr); |
1306 | encode_uint32(xdr, nfs4_lock_type(args->fl, 0)); | |
4ade9821 | 1307 | encode_nfs4_seqid(xdr, args->seqid); |
ea9d23f5 TM |
1308 | encode_nfs4_stateid(xdr, args->stateid); |
1309 | p = reserve_space(xdr, 16); | |
b95be5a9 | 1310 | p = xdr_encode_hyper(p, args->fl->fl_start); |
34558513 | 1311 | xdr_encode_hyper(p, nfs4_lock_length(args->fl)); |
1da177e4 LT |
1312 | } |
1313 | ||
d3c7b7cc TM |
1314 | static void encode_release_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner, struct compound_hdr *hdr) |
1315 | { | |
ab19b481 | 1316 | encode_op_hdr(xdr, OP_RELEASE_LOCKOWNER, decode_release_lockowner_maxsz, hdr); |
d3c7b7cc | 1317 | encode_lockowner(xdr, lowner); |
d3c7b7cc TM |
1318 | } |
1319 | ||
cf8cdbe5 | 1320 | static void encode_lookup(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1321 | { |
ab19b481 | 1322 | encode_op_hdr(xdr, OP_LOOKUP, decode_lookup_maxsz, hdr); |
6fdfb0bc | 1323 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1324 | } |
1325 | ||
dc0b027d | 1326 | static void encode_share_access(struct xdr_stream *xdr, fmode_t fmode) |
1da177e4 | 1327 | { |
8687b63a | 1328 | __be32 *p; |
1da177e4 | 1329 | |
13c65ce9 | 1330 | p = reserve_space(xdr, 8); |
dc0b027d | 1331 | switch (fmode & (FMODE_READ|FMODE_WRITE)) { |
05d564fe | 1332 | case FMODE_READ: |
e75bc1c8 | 1333 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_READ); |
05d564fe AA |
1334 | break; |
1335 | case FMODE_WRITE: | |
e75bc1c8 | 1336 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_WRITE); |
05d564fe AA |
1337 | break; |
1338 | case FMODE_READ|FMODE_WRITE: | |
e75bc1c8 | 1339 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_BOTH); |
05d564fe AA |
1340 | break; |
1341 | default: | |
e75bc1c8 | 1342 | *p++ = cpu_to_be32(0); |
1da177e4 | 1343 | } |
34558513 | 1344 | *p = cpu_to_be32(0); /* for linux, share_deny = 0 always */ |
1da177e4 LT |
1345 | } |
1346 | ||
1347 | static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1348 | { | |
8687b63a | 1349 | __be32 *p; |
1da177e4 LT |
1350 | /* |
1351 | * opcode 4, seqid 4, share_access 4, share_deny 4, clientid 8, ownerlen 4, | |
1352 | * owner 4 = 32 | |
1353 | */ | |
4ade9821 | 1354 | encode_nfs4_seqid(xdr, arg->seqid); |
dc0b027d | 1355 | encode_share_access(xdr, arg->fmode); |
95b72eb0 | 1356 | p = reserve_space(xdr, 36); |
b95be5a9 | 1357 | p = xdr_encode_hyper(p, arg->clientid); |
95b72eb0 | 1358 | *p++ = cpu_to_be32(24); |
93f0cf25 | 1359 | p = xdr_encode_opaque_fixed(p, "open id:", 8); |
d035c36c | 1360 | *p++ = cpu_to_be32(arg->server->s_dev); |
95b72eb0 TM |
1361 | *p++ = cpu_to_be32(arg->id.uniquifier); |
1362 | xdr_encode_hyper(p, arg->id.create_time); | |
1da177e4 LT |
1363 | } |
1364 | ||
1365 | static inline void encode_createmode(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1366 | { | |
549b19cc | 1367 | struct iattr dummy; |
8687b63a | 1368 | __be32 *p; |
1da177e4 | 1369 | |
13c65ce9 | 1370 | p = reserve_space(xdr, 4); |
549b19cc TM |
1371 | switch(arg->createmode) { |
1372 | case NFS4_CREATE_UNCHECKED: | |
34558513 | 1373 | *p = cpu_to_be32(NFS4_CREATE_UNCHECKED); |
05d564fe AA |
1374 | encode_attrs(xdr, arg->u.attrs, arg->server); |
1375 | break; | |
549b19cc TM |
1376 | case NFS4_CREATE_GUARDED: |
1377 | *p = cpu_to_be32(NFS4_CREATE_GUARDED); | |
1378 | encode_attrs(xdr, arg->u.attrs, arg->server); | |
1379 | break; | |
1380 | case NFS4_CREATE_EXCLUSIVE: | |
1381 | *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE); | |
1382 | encode_nfs4_verifier(xdr, &arg->u.verifier); | |
1383 | break; | |
1384 | case NFS4_CREATE_EXCLUSIVE4_1: | |
1385 | *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE4_1); | |
1386 | encode_nfs4_verifier(xdr, &arg->u.verifier); | |
1387 | dummy.ia_valid = 0; | |
1388 | encode_attrs(xdr, &dummy, arg->server); | |
1da177e4 LT |
1389 | } |
1390 | } | |
1391 | ||
1392 | static void encode_opentype(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1393 | { | |
8687b63a | 1394 | __be32 *p; |
1da177e4 | 1395 | |
13c65ce9 | 1396 | p = reserve_space(xdr, 4); |
1da177e4 | 1397 | switch (arg->open_flags & O_CREAT) { |
05d564fe | 1398 | case 0: |
34558513 | 1399 | *p = cpu_to_be32(NFS4_OPEN_NOCREATE); |
05d564fe AA |
1400 | break; |
1401 | default: | |
34558513 | 1402 | *p = cpu_to_be32(NFS4_OPEN_CREATE); |
05d564fe | 1403 | encode_createmode(xdr, arg); |
1da177e4 LT |
1404 | } |
1405 | } | |
1406 | ||
bd7bf9d5 | 1407 | static inline void encode_delegation_type(struct xdr_stream *xdr, fmode_t delegation_type) |
1da177e4 | 1408 | { |
8687b63a | 1409 | __be32 *p; |
1da177e4 | 1410 | |
13c65ce9 | 1411 | p = reserve_space(xdr, 4); |
1da177e4 | 1412 | switch (delegation_type) { |
05d564fe | 1413 | case 0: |
34558513 | 1414 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_NONE); |
05d564fe AA |
1415 | break; |
1416 | case FMODE_READ: | |
34558513 | 1417 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_READ); |
05d564fe AA |
1418 | break; |
1419 | case FMODE_WRITE|FMODE_READ: | |
34558513 | 1420 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_WRITE); |
05d564fe AA |
1421 | break; |
1422 | default: | |
1423 | BUG(); | |
1da177e4 LT |
1424 | } |
1425 | } | |
1426 | ||
1427 | static inline void encode_claim_null(struct xdr_stream *xdr, const struct qstr *name) | |
1428 | { | |
8687b63a | 1429 | __be32 *p; |
1da177e4 | 1430 | |
13c65ce9 | 1431 | p = reserve_space(xdr, 4); |
34558513 | 1432 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_NULL); |
1da177e4 LT |
1433 | encode_string(xdr, name->len, name->name); |
1434 | } | |
1435 | ||
bd7bf9d5 | 1436 | static inline void encode_claim_previous(struct xdr_stream *xdr, fmode_t type) |
1da177e4 | 1437 | { |
8687b63a | 1438 | __be32 *p; |
1da177e4 | 1439 | |
13c65ce9 | 1440 | p = reserve_space(xdr, 4); |
34558513 | 1441 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_PREVIOUS); |
1da177e4 LT |
1442 | encode_delegation_type(xdr, type); |
1443 | } | |
1444 | ||
1445 | static inline void encode_claim_delegate_cur(struct xdr_stream *xdr, const struct qstr *name, const nfs4_stateid *stateid) | |
1446 | { | |
8687b63a | 1447 | __be32 *p; |
1da177e4 | 1448 | |
ea9d23f5 TM |
1449 | p = reserve_space(xdr, 4); |
1450 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_DELEGATE_CUR); | |
1451 | encode_nfs4_stateid(xdr, stateid); | |
1da177e4 LT |
1452 | encode_string(xdr, name->len, name->name); |
1453 | } | |
1454 | ||
d9fc6619 TM |
1455 | static inline void encode_claim_fh(struct xdr_stream *xdr) |
1456 | { | |
1457 | __be32 *p; | |
1458 | ||
1459 | p = reserve_space(xdr, 4); | |
1460 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_FH); | |
1461 | } | |
1462 | ||
1463 | static inline void encode_claim_delegate_cur_fh(struct xdr_stream *xdr, const nfs4_stateid *stateid) | |
1464 | { | |
1465 | __be32 *p; | |
1466 | ||
1467 | p = reserve_space(xdr, 4); | |
1468 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_DELEG_CUR_FH); | |
1469 | encode_nfs4_stateid(xdr, stateid); | |
1470 | } | |
1471 | ||
cf8cdbe5 | 1472 | static void encode_open(struct xdr_stream *xdr, const struct nfs_openargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1473 | { |
ab19b481 | 1474 | encode_op_hdr(xdr, OP_OPEN, decode_open_maxsz, hdr); |
1da177e4 LT |
1475 | encode_openhdr(xdr, arg); |
1476 | encode_opentype(xdr, arg); | |
1477 | switch (arg->claim) { | |
05d564fe AA |
1478 | case NFS4_OPEN_CLAIM_NULL: |
1479 | encode_claim_null(xdr, arg->name); | |
1480 | break; | |
1481 | case NFS4_OPEN_CLAIM_PREVIOUS: | |
1482 | encode_claim_previous(xdr, arg->u.delegation_type); | |
1483 | break; | |
1484 | case NFS4_OPEN_CLAIM_DELEGATE_CUR: | |
1485 | encode_claim_delegate_cur(xdr, arg->name, &arg->u.delegation); | |
1486 | break; | |
d9fc6619 TM |
1487 | case NFS4_OPEN_CLAIM_FH: |
1488 | encode_claim_fh(xdr); | |
1489 | break; | |
1490 | case NFS4_OPEN_CLAIM_DELEG_CUR_FH: | |
1491 | encode_claim_delegate_cur_fh(xdr, &arg->u.delegation); | |
1492 | break; | |
05d564fe AA |
1493 | default: |
1494 | BUG(); | |
1da177e4 | 1495 | } |
1da177e4 LT |
1496 | } |
1497 | ||
cf8cdbe5 | 1498 | static void encode_open_confirm(struct xdr_stream *xdr, const struct nfs_open_confirmargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1499 | { |
ab19b481 | 1500 | encode_op_hdr(xdr, OP_OPEN_CONFIRM, decode_open_confirm_maxsz, hdr); |
ea9d23f5 | 1501 | encode_nfs4_stateid(xdr, arg->stateid); |
4ade9821 | 1502 | encode_nfs4_seqid(xdr, arg->seqid); |
1da177e4 LT |
1503 | } |
1504 | ||
cf8cdbe5 | 1505 | static void encode_open_downgrade(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1506 | { |
ab19b481 | 1507 | encode_op_hdr(xdr, OP_OPEN_DOWNGRADE, decode_open_downgrade_maxsz, hdr); |
ea9d23f5 | 1508 | encode_nfs4_stateid(xdr, arg->stateid); |
4ade9821 | 1509 | encode_nfs4_seqid(xdr, arg->seqid); |
dc0b027d | 1510 | encode_share_access(xdr, arg->fmode); |
1da177e4 LT |
1511 | } |
1512 | ||
cf8cdbe5 | 1513 | static void |
d017931c | 1514 | encode_putfh(struct xdr_stream *xdr, const struct nfs_fh *fh, struct compound_hdr *hdr) |
1da177e4 | 1515 | { |
ab19b481 | 1516 | encode_op_hdr(xdr, OP_PUTFH, decode_putfh_maxsz, hdr); |
6fdfb0bc | 1517 | encode_string(xdr, fh->size, fh->data); |
1da177e4 LT |
1518 | } |
1519 | ||
cf8cdbe5 | 1520 | static void encode_putrootfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1521 | { |
ab19b481 | 1522 | encode_op_hdr(xdr, OP_PUTROOTFH, decode_putrootfh_maxsz, hdr); |
1da177e4 LT |
1523 | } |
1524 | ||
cf8cdbe5 | 1525 | static void encode_read(struct xdr_stream *xdr, const struct nfs_readargs *args, struct compound_hdr *hdr) |
1da177e4 | 1526 | { |
8687b63a | 1527 | __be32 *p; |
1da177e4 | 1528 | |
ab19b481 | 1529 | encode_op_hdr(xdr, OP_READ, decode_read_maxsz, hdr); |
9b206149 | 1530 | encode_nfs4_stateid(xdr, &args->stateid); |
1da177e4 | 1531 | |
13c65ce9 | 1532 | p = reserve_space(xdr, 12); |
b95be5a9 | 1533 | p = xdr_encode_hyper(p, args->offset); |
34558513 | 1534 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1535 | } |
1536 | ||
cf8cdbe5 | 1537 | static void encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg *readdir, struct rpc_rqst *req, struct compound_hdr *hdr) |
1da177e4 | 1538 | { |
28331a46 TM |
1539 | uint32_t attrs[2] = { |
1540 | FATTR4_WORD0_RDATTR_ERROR, | |
1541 | FATTR4_WORD1_MOUNTED_ON_FILEID, | |
1542 | }; | |
6f7a35bd | 1543 | uint32_t dircount = readdir->count >> 1; |
cd93710e | 1544 | __be32 *p, verf[2]; |
1da177e4 | 1545 | |
82f2e547 BS |
1546 | if (readdir->plus) { |
1547 | attrs[0] |= FATTR4_WORD0_TYPE|FATTR4_WORD0_CHANGE|FATTR4_WORD0_SIZE| | |
28331a46 | 1548 | FATTR4_WORD0_FSID|FATTR4_WORD0_FILEHANDLE|FATTR4_WORD0_FILEID; |
82f2e547 BS |
1549 | attrs[1] |= FATTR4_WORD1_MODE|FATTR4_WORD1_NUMLINKS|FATTR4_WORD1_OWNER| |
1550 | FATTR4_WORD1_OWNER_GROUP|FATTR4_WORD1_RAWDEV| | |
1551 | FATTR4_WORD1_SPACE_USED|FATTR4_WORD1_TIME_ACCESS| | |
1552 | FATTR4_WORD1_TIME_METADATA|FATTR4_WORD1_TIME_MODIFY; | |
6f7a35bd | 1553 | dircount >>= 1; |
82f2e547 | 1554 | } |
28331a46 TM |
1555 | /* Use mounted_on_fileid only if the server supports it */ |
1556 | if (!(readdir->bitmask[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) | |
1557 | attrs[0] |= FATTR4_WORD0_FILEID; | |
82f2e547 | 1558 | |
475d4ba0 | 1559 | encode_op_hdr(xdr, OP_READDIR, decode_readdir_maxsz, hdr); |
ff2eb681 | 1560 | encode_uint64(xdr, readdir->cookie); |
cd93710e CL |
1561 | encode_nfs4_verifier(xdr, &readdir->verifier); |
1562 | p = reserve_space(xdr, 20); | |
6f7a35bd | 1563 | *p++ = cpu_to_be32(dircount); |
e75bc1c8 BH |
1564 | *p++ = cpu_to_be32(readdir->count); |
1565 | *p++ = cpu_to_be32(2); | |
82f2e547 | 1566 | |
e75bc1c8 | 1567 | *p++ = cpu_to_be32(attrs[0] & readdir->bitmask[0]); |
34558513 | 1568 | *p = cpu_to_be32(attrs[1] & readdir->bitmask[1]); |
cd93710e | 1569 | memcpy(verf, readdir->verifier.data, sizeof(verf)); |
44109241 FI |
1570 | dprintk("%s: cookie = %Lu, verifier = %08x:%08x, bitmap = %08x:%08x\n", |
1571 | __func__, | |
eadf4598 | 1572 | (unsigned long long)readdir->cookie, |
cd93710e | 1573 | verf[0], verf[1], |
eadf4598 TM |
1574 | attrs[0] & readdir->bitmask[0], |
1575 | attrs[1] & readdir->bitmask[1]); | |
1da177e4 LT |
1576 | } |
1577 | ||
cf8cdbe5 | 1578 | static void encode_readlink(struct xdr_stream *xdr, const struct nfs4_readlink *readlink, struct rpc_rqst *req, struct compound_hdr *hdr) |
1da177e4 | 1579 | { |
ab19b481 | 1580 | encode_op_hdr(xdr, OP_READLINK, decode_readlink_maxsz, hdr); |
1da177e4 LT |
1581 | } |
1582 | ||
cf8cdbe5 | 1583 | static void encode_remove(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1584 | { |
ab19b481 | 1585 | encode_op_hdr(xdr, OP_REMOVE, decode_remove_maxsz, hdr); |
6fdfb0bc | 1586 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1587 | } |
1588 | ||
cf8cdbe5 | 1589 | static void encode_rename(struct xdr_stream *xdr, const struct qstr *oldname, const struct qstr *newname, struct compound_hdr *hdr) |
1da177e4 | 1590 | { |
ab19b481 | 1591 | encode_op_hdr(xdr, OP_RENAME, decode_rename_maxsz, hdr); |
811652bd BH |
1592 | encode_string(xdr, oldname->len, oldname->name); |
1593 | encode_string(xdr, newname->len, newname->name); | |
1da177e4 LT |
1594 | } |
1595 | ||
bb4dae5e CL |
1596 | static void encode_renew(struct xdr_stream *xdr, clientid4 clid, |
1597 | struct compound_hdr *hdr) | |
1da177e4 | 1598 | { |
475d4ba0 | 1599 | encode_op_hdr(xdr, OP_RENEW, decode_renew_maxsz, hdr); |
ff2eb681 | 1600 | encode_uint64(xdr, clid); |
1da177e4 LT |
1601 | } |
1602 | ||
cf8cdbe5 | 1603 | static void |
d017931c | 1604 | encode_restorefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
56ae19f3 | 1605 | { |
ab19b481 | 1606 | encode_op_hdr(xdr, OP_RESTOREFH, decode_restorefh_maxsz, hdr); |
56ae19f3 TM |
1607 | } |
1608 | ||
9f06c719 | 1609 | static void |
d017931c | 1610 | encode_setacl(struct xdr_stream *xdr, struct nfs_setaclargs *arg, struct compound_hdr *hdr) |
23ec6965 | 1611 | { |
8687b63a | 1612 | __be32 *p; |
23ec6965 | 1613 | |
ab19b481 | 1614 | encode_op_hdr(xdr, OP_SETATTR, decode_setacl_maxsz, hdr); |
ea9d23f5 | 1615 | encode_nfs4_stateid(xdr, &zero_stateid); |
13c65ce9 | 1616 | p = reserve_space(xdr, 2*4); |
e75bc1c8 | 1617 | *p++ = cpu_to_be32(1); |
34558513 | 1618 | *p = cpu_to_be32(FATTR4_WORD0_ACL); |
13c65ce9 | 1619 | p = reserve_space(xdr, 4); |
34558513 | 1620 | *p = cpu_to_be32(arg->acl_len); |
23ec6965 | 1621 | xdr_write_pages(xdr, arg->acl_pages, arg->acl_pgbase, arg->acl_len); |
23ec6965 BF |
1622 | } |
1623 | ||
cf8cdbe5 | 1624 | static void |
d017931c | 1625 | encode_savefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1626 | { |
ab19b481 | 1627 | encode_op_hdr(xdr, OP_SAVEFH, decode_savefh_maxsz, hdr); |
1da177e4 LT |
1628 | } |
1629 | ||
cf8cdbe5 | 1630 | static void encode_setattr(struct xdr_stream *xdr, const struct nfs_setattrargs *arg, const struct nfs_server *server, struct compound_hdr *hdr) |
1da177e4 | 1631 | { |
ab19b481 | 1632 | encode_op_hdr(xdr, OP_SETATTR, decode_setattr_maxsz, hdr); |
ea9d23f5 | 1633 | encode_nfs4_stateid(xdr, &arg->stateid); |
cf8cdbe5 | 1634 | encode_attrs(xdr, arg->iap, server); |
1da177e4 LT |
1635 | } |
1636 | ||
cf8cdbe5 | 1637 | static void encode_setclientid(struct xdr_stream *xdr, const struct nfs4_setclientid *setclientid, struct compound_hdr *hdr) |
1da177e4 | 1638 | { |
8687b63a | 1639 | __be32 *p; |
1da177e4 | 1640 | |
70019514 | 1641 | encode_op_hdr(xdr, OP_SETCLIENTID, decode_setclientid_maxsz, hdr); |
cd93710e | 1642 | encode_nfs4_verifier(xdr, setclientid->sc_verifier); |
1da177e4 LT |
1643 | |
1644 | encode_string(xdr, setclientid->sc_name_len, setclientid->sc_name); | |
13c65ce9 | 1645 | p = reserve_space(xdr, 4); |
34558513 | 1646 | *p = cpu_to_be32(setclientid->sc_prog); |
1da177e4 LT |
1647 | encode_string(xdr, setclientid->sc_netid_len, setclientid->sc_netid); |
1648 | encode_string(xdr, setclientid->sc_uaddr_len, setclientid->sc_uaddr); | |
13c65ce9 | 1649 | p = reserve_space(xdr, 4); |
34558513 | 1650 | *p = cpu_to_be32(setclientid->sc_cb_ident); |
1da177e4 LT |
1651 | } |
1652 | ||
bb8b27e5 | 1653 | static void encode_setclientid_confirm(struct xdr_stream *xdr, const struct nfs4_setclientid_res *arg, struct compound_hdr *hdr) |
1da177e4 | 1654 | { |
475d4ba0 TM |
1655 | encode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM, |
1656 | decode_setclientid_confirm_maxsz, hdr); | |
ff2eb681 | 1657 | encode_uint64(xdr, arg->clientid); |
cd93710e | 1658 | encode_nfs4_verifier(xdr, &arg->confirm); |
1da177e4 LT |
1659 | } |
1660 | ||
cf8cdbe5 | 1661 | static void encode_write(struct xdr_stream *xdr, const struct nfs_writeargs *args, struct compound_hdr *hdr) |
1da177e4 | 1662 | { |
8687b63a | 1663 | __be32 *p; |
1da177e4 | 1664 | |
ab19b481 | 1665 | encode_op_hdr(xdr, OP_WRITE, decode_write_maxsz, hdr); |
9b206149 | 1666 | encode_nfs4_stateid(xdr, &args->stateid); |
1da177e4 | 1667 | |
13c65ce9 | 1668 | p = reserve_space(xdr, 16); |
b95be5a9 | 1669 | p = xdr_encode_hyper(p, args->offset); |
e75bc1c8 | 1670 | *p++ = cpu_to_be32(args->stable); |
34558513 | 1671 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1672 | |
1673 | xdr_write_pages(xdr, args->pages, args->pgbase, args->count); | |
1da177e4 LT |
1674 | } |
1675 | ||
cf8cdbe5 | 1676 | static void encode_delegreturn(struct xdr_stream *xdr, const nfs4_stateid *stateid, struct compound_hdr *hdr) |
1da177e4 | 1677 | { |
ab19b481 | 1678 | encode_op_hdr(xdr, OP_DELEGRETURN, decode_delegreturn_maxsz, hdr); |
ea9d23f5 | 1679 | encode_nfs4_stateid(xdr, stateid); |
1da177e4 | 1680 | } |
9b7b9fcc | 1681 | |
5a5ea0d4 BS |
1682 | static void encode_secinfo(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1683 | { | |
ab19b481 | 1684 | encode_op_hdr(xdr, OP_SECINFO, decode_secinfo_maxsz, hdr); |
6fdfb0bc | 1685 | encode_string(xdr, name->len, name->name); |
5a5ea0d4 BS |
1686 | } |
1687 | ||
99fe60d0 | 1688 | #if defined(CONFIG_NFS_V4_1) |
9b7b9fcc | 1689 | /* NFSv4.1 operations */ |
7c44f1ae WAA |
1690 | static void encode_bind_conn_to_session(struct xdr_stream *xdr, |
1691 | struct nfs4_session *session, | |
1692 | struct compound_hdr *hdr) | |
1693 | { | |
1694 | __be32 *p; | |
1695 | ||
1696 | encode_op_hdr(xdr, OP_BIND_CONN_TO_SESSION, | |
1697 | decode_bind_conn_to_session_maxsz, hdr); | |
1698 | encode_opaque_fixed(xdr, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); | |
1699 | p = xdr_reserve_space(xdr, 8); | |
1700 | *p++ = cpu_to_be32(NFS4_CDFC4_BACK_OR_BOTH); | |
1701 | *p = 0; /* use_conn_in_rdma_mode = False */ | |
1702 | } | |
1703 | ||
99fe60d0 BH |
1704 | static void encode_exchange_id(struct xdr_stream *xdr, |
1705 | struct nfs41_exchange_id_args *args, | |
1706 | struct compound_hdr *hdr) | |
1707 | { | |
1708 | __be32 *p; | |
d751f748 | 1709 | char impl_name[IMPL_NAME_LIMIT]; |
db8ac8ba | 1710 | int len = 0; |
99fe60d0 | 1711 | |
70019514 | 1712 | encode_op_hdr(xdr, OP_EXCHANGE_ID, decode_exchange_id_maxsz, hdr); |
cd93710e | 1713 | encode_nfs4_verifier(xdr, args->verifier); |
99fe60d0 BH |
1714 | |
1715 | encode_string(xdr, args->id_len, args->id); | |
1716 | ||
13c65ce9 | 1717 | p = reserve_space(xdr, 12); |
e75bc1c8 BH |
1718 | *p++ = cpu_to_be32(args->flags); |
1719 | *p++ = cpu_to_be32(0); /* zero length state_protect4_a */ | |
db8ac8ba WAA |
1720 | |
1721 | if (send_implementation_id && | |
1722 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) > 1 && | |
1723 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) | |
d751f748 | 1724 | <= sizeof(impl_name) + 1) |
db8ac8ba WAA |
1725 | len = snprintf(impl_name, sizeof(impl_name), "%s %s %s %s", |
1726 | utsname()->sysname, utsname()->release, | |
1727 | utsname()->version, utsname()->machine); | |
1728 | ||
1729 | if (len > 0) { | |
1730 | *p = cpu_to_be32(1); /* implementation id array length=1 */ | |
1731 | ||
1732 | encode_string(xdr, | |
1733 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) - 1, | |
1734 | CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN); | |
1735 | encode_string(xdr, len, impl_name); | |
1736 | /* just send zeros for nii_date - the date is in nii_name */ | |
1737 | p = reserve_space(xdr, 12); | |
1738 | p = xdr_encode_hyper(p, 0); | |
1739 | *p = cpu_to_be32(0); | |
1740 | } else | |
1741 | *p = cpu_to_be32(0); /* implementation id array length=0 */ | |
99fe60d0 | 1742 | } |
fc931582 AA |
1743 | |
1744 | static void encode_create_session(struct xdr_stream *xdr, | |
1745 | struct nfs41_create_session_args *args, | |
1746 | struct compound_hdr *hdr) | |
1747 | { | |
1748 | __be32 *p; | |
1749 | char machine_name[NFS4_MAX_MACHINE_NAME_LEN]; | |
1750 | uint32_t len; | |
1751 | struct nfs_client *clp = args->client; | |
f092075d | 1752 | struct nfs_net *nn = net_generic(clp->cl_net, nfs_net_id); |
8e0d46e1 MS |
1753 | u32 max_resp_sz_cached; |
1754 | ||
1755 | /* | |
1756 | * Assumes OPEN is the biggest non-idempotent compound. | |
1757 | * 2 is the verifier. | |
1758 | */ | |
1759 | max_resp_sz_cached = (NFS4_dec_open_sz + RPC_REPHDRSIZE + | |
1760 | RPC_MAX_AUTH_SIZE + 2) * XDR_UNIT; | |
fc931582 | 1761 | |
42edd698 BH |
1762 | len = scnprintf(machine_name, sizeof(machine_name), "%s", |
1763 | clp->cl_ipaddr); | |
fc931582 | 1764 | |
475d4ba0 TM |
1765 | encode_op_hdr(xdr, OP_CREATE_SESSION, decode_create_session_maxsz, hdr); |
1766 | p = reserve_space(xdr, 16 + 2*28 + 20 + len + 12); | |
114f64b5 | 1767 | p = xdr_encode_hyper(p, clp->cl_clientid); |
e75bc1c8 BH |
1768 | *p++ = cpu_to_be32(clp->cl_seqid); /*Sequence id */ |
1769 | *p++ = cpu_to_be32(args->flags); /*flags */ | |
fc931582 | 1770 | |
fc931582 | 1771 | /* Fore Channel */ |
c9c30dd5 | 1772 | *p++ = cpu_to_be32(0); /* header padding size */ |
e75bc1c8 BH |
1773 | *p++ = cpu_to_be32(args->fc_attrs.max_rqst_sz); /* max req size */ |
1774 | *p++ = cpu_to_be32(args->fc_attrs.max_resp_sz); /* max resp size */ | |
8e0d46e1 | 1775 | *p++ = cpu_to_be32(max_resp_sz_cached); /* Max resp sz cached */ |
e75bc1c8 BH |
1776 | *p++ = cpu_to_be32(args->fc_attrs.max_ops); /* max operations */ |
1777 | *p++ = cpu_to_be32(args->fc_attrs.max_reqs); /* max requests */ | |
1778 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ | |
fc931582 AA |
1779 | |
1780 | /* Back Channel */ | |
c9c30dd5 | 1781 | *p++ = cpu_to_be32(0); /* header padding size */ |
e75bc1c8 BH |
1782 | *p++ = cpu_to_be32(args->bc_attrs.max_rqst_sz); /* max req size */ |
1783 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz); /* max resp size */ | |
1784 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz_cached); /* Max resp sz cached */ | |
1785 | *p++ = cpu_to_be32(args->bc_attrs.max_ops); /* max operations */ | |
1786 | *p++ = cpu_to_be32(args->bc_attrs.max_reqs); /* max requests */ | |
1787 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ | |
fc931582 | 1788 | |
e75bc1c8 | 1789 | *p++ = cpu_to_be32(args->cb_program); /* cb_program */ |
e75bc1c8 | 1790 | *p++ = cpu_to_be32(1); |
e75bc1c8 | 1791 | *p++ = cpu_to_be32(RPC_AUTH_UNIX); /* auth_sys */ |
fc931582 AA |
1792 | |
1793 | /* authsys_parms rfc1831 */ | |
f092075d | 1794 | *p++ = (__be32)nn->boot_time.tv_nsec; /* stamp */ |
811652bd | 1795 | p = xdr_encode_opaque(p, machine_name, len); |
e75bc1c8 BH |
1796 | *p++ = cpu_to_be32(0); /* UID */ |
1797 | *p++ = cpu_to_be32(0); /* GID */ | |
34558513 | 1798 | *p = cpu_to_be32(0); /* No more gids */ |
fc931582 | 1799 | } |
0f3e66c6 AA |
1800 | |
1801 | static void encode_destroy_session(struct xdr_stream *xdr, | |
1802 | struct nfs4_session *session, | |
1803 | struct compound_hdr *hdr) | |
1804 | { | |
475d4ba0 TM |
1805 | encode_op_hdr(xdr, OP_DESTROY_SESSION, decode_destroy_session_maxsz, hdr); |
1806 | encode_opaque_fixed(xdr, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); | |
0f3e66c6 | 1807 | } |
18019753 | 1808 | |
66245539 TM |
1809 | static void encode_destroy_clientid(struct xdr_stream *xdr, |
1810 | uint64_t clientid, | |
1811 | struct compound_hdr *hdr) | |
1812 | { | |
1813 | encode_op_hdr(xdr, OP_DESTROY_CLIENTID, decode_destroy_clientid_maxsz, hdr); | |
1814 | encode_uint64(xdr, clientid); | |
1815 | } | |
1816 | ||
18019753 RL |
1817 | static void encode_reclaim_complete(struct xdr_stream *xdr, |
1818 | struct nfs41_reclaim_complete_args *args, | |
1819 | struct compound_hdr *hdr) | |
1820 | { | |
475d4ba0 TM |
1821 | encode_op_hdr(xdr, OP_RECLAIM_COMPLETE, decode_reclaim_complete_maxsz, hdr); |
1822 | encode_uint32(xdr, args->one_fs); | |
18019753 | 1823 | } |
99fe60d0 BH |
1824 | #endif /* CONFIG_NFS_V4_1 */ |
1825 | ||
9b7b9fcc AA |
1826 | static void encode_sequence(struct xdr_stream *xdr, |
1827 | const struct nfs4_sequence_args *args, | |
1828 | struct compound_hdr *hdr) | |
1829 | { | |
1830 | #if defined(CONFIG_NFS_V4_1) | |
2b2fa717 | 1831 | struct nfs4_session *session; |
fc01cea9 | 1832 | struct nfs4_slot_table *tp; |
2b2fa717 | 1833 | struct nfs4_slot *slot = args->sa_slot; |
fc01cea9 | 1834 | __be32 *p; |
9b7b9fcc | 1835 | |
2b2fa717 | 1836 | if (slot == NULL) |
9b7b9fcc AA |
1837 | return; |
1838 | ||
2b2fa717 TM |
1839 | tp = slot->table; |
1840 | session = tp->session; | |
fc01cea9 | 1841 | |
475d4ba0 | 1842 | encode_op_hdr(xdr, OP_SEQUENCE, decode_sequence_maxsz, hdr); |
fc01cea9 AA |
1843 | |
1844 | /* | |
1845 | * Sessionid + seqid + slotid + max slotid + cache_this | |
1846 | */ | |
1847 | dprintk("%s: sessionid=%u:%u:%u:%u seqid=%d slotid=%d " | |
1848 | "max_slotid=%d cache_this=%d\n", | |
1849 | __func__, | |
1850 | ((u32 *)session->sess_id.data)[0], | |
1851 | ((u32 *)session->sess_id.data)[1], | |
1852 | ((u32 *)session->sess_id.data)[2], | |
1853 | ((u32 *)session->sess_id.data)[3], | |
2b2fa717 | 1854 | slot->seq_nr, slot->slot_nr, |
fc01cea9 | 1855 | tp->highest_used_slotid, args->sa_cache_this); |
475d4ba0 | 1856 | p = reserve_space(xdr, NFS4_MAX_SESSIONID_LEN + 16); |
93f0cf25 | 1857 | p = xdr_encode_opaque_fixed(p, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); |
e75bc1c8 | 1858 | *p++ = cpu_to_be32(slot->seq_nr); |
2b2fa717 | 1859 | *p++ = cpu_to_be32(slot->slot_nr); |
e75bc1c8 | 1860 | *p++ = cpu_to_be32(tp->highest_used_slotid); |
34558513 | 1861 | *p = cpu_to_be32(args->sa_cache_this); |
9b7b9fcc AA |
1862 | #endif /* CONFIG_NFS_V4_1 */ |
1863 | } | |
1864 | ||
b1f69b75 | 1865 | #ifdef CONFIG_NFS_V4_1 |
7f11d8d3 AA |
1866 | static void |
1867 | encode_getdevicelist(struct xdr_stream *xdr, | |
1868 | const struct nfs4_getdevicelist_args *args, | |
1869 | struct compound_hdr *hdr) | |
1870 | { | |
1871 | __be32 *p; | |
1872 | nfs4_verifier dummy = { | |
1873 | .data = "dummmmmy", | |
1874 | }; | |
1875 | ||
475d4ba0 TM |
1876 | encode_op_hdr(xdr, OP_GETDEVICELIST, decode_getdevicelist_maxsz, hdr); |
1877 | p = reserve_space(xdr, 16); | |
7f11d8d3 AA |
1878 | *p++ = cpu_to_be32(args->layoutclass); |
1879 | *p++ = cpu_to_be32(NFS4_PNFS_GETDEVLIST_MAXNUM); | |
1880 | xdr_encode_hyper(p, 0ULL); /* cookie */ | |
1881 | encode_nfs4_verifier(xdr, &dummy); | |
7f11d8d3 AA |
1882 | } |
1883 | ||
b1f69b75 AA |
1884 | static void |
1885 | encode_getdeviceinfo(struct xdr_stream *xdr, | |
1886 | const struct nfs4_getdeviceinfo_args *args, | |
1887 | struct compound_hdr *hdr) | |
1888 | { | |
1889 | __be32 *p; | |
1890 | ||
475d4ba0 TM |
1891 | encode_op_hdr(xdr, OP_GETDEVICEINFO, decode_getdeviceinfo_maxsz, hdr); |
1892 | p = reserve_space(xdr, 12 + NFS4_DEVICEID4_SIZE); | |
b1f69b75 AA |
1893 | p = xdr_encode_opaque_fixed(p, args->pdev->dev_id.data, |
1894 | NFS4_DEVICEID4_SIZE); | |
1895 | *p++ = cpu_to_be32(args->pdev->layout_type); | |
1896 | *p++ = cpu_to_be32(args->pdev->pglen); /* gdia_maxcount */ | |
1897 | *p++ = cpu_to_be32(0); /* bitmap length 0 */ | |
b1f69b75 AA |
1898 | } |
1899 | ||
1900 | static void | |
1901 | encode_layoutget(struct xdr_stream *xdr, | |
1902 | const struct nfs4_layoutget_args *args, | |
1903 | struct compound_hdr *hdr) | |
1904 | { | |
b1f69b75 AA |
1905 | __be32 *p; |
1906 | ||
475d4ba0 TM |
1907 | encode_op_hdr(xdr, OP_LAYOUTGET, decode_layoutget_maxsz, hdr); |
1908 | p = reserve_space(xdr, 36); | |
b1f69b75 AA |
1909 | *p++ = cpu_to_be32(0); /* Signal layout available */ |
1910 | *p++ = cpu_to_be32(args->type); | |
1911 | *p++ = cpu_to_be32(args->range.iomode); | |
1912 | p = xdr_encode_hyper(p, args->range.offset); | |
1913 | p = xdr_encode_hyper(p, args->range.length); | |
1914 | p = xdr_encode_hyper(p, args->minlength); | |
ea9d23f5 | 1915 | encode_nfs4_stateid(xdr, &args->stateid); |
475d4ba0 | 1916 | encode_uint32(xdr, args->maxcount); |
b1f69b75 AA |
1917 | |
1918 | dprintk("%s: 1st type:0x%x iomode:%d off:%lu len:%lu mc:%d\n", | |
1919 | __func__, | |
1920 | args->type, | |
1921 | args->range.iomode, | |
1922 | (unsigned long)args->range.offset, | |
1923 | (unsigned long)args->range.length, | |
1924 | args->maxcount); | |
b1f69b75 | 1925 | } |
863a3c6c AA |
1926 | |
1927 | static int | |
1928 | encode_layoutcommit(struct xdr_stream *xdr, | |
ac7db726 | 1929 | struct inode *inode, |
863a3c6c AA |
1930 | const struct nfs4_layoutcommit_args *args, |
1931 | struct compound_hdr *hdr) | |
1932 | { | |
1933 | __be32 *p; | |
1934 | ||
1935 | dprintk("%s: lbw: %llu type: %d\n", __func__, args->lastbytewritten, | |
1936 | NFS_SERVER(args->inode)->pnfs_curr_ld->id); | |
1937 | ||
475d4ba0 TM |
1938 | encode_op_hdr(xdr, OP_LAYOUTCOMMIT, decode_layoutcommit_maxsz, hdr); |
1939 | p = reserve_space(xdr, 20); | |
863a3c6c AA |
1940 | /* Only whole file layouts */ |
1941 | p = xdr_encode_hyper(p, 0); /* offset */ | |
3557c6c3 | 1942 | p = xdr_encode_hyper(p, args->lastbytewritten + 1); /* length */ |
ea9d23f5 TM |
1943 | *p = cpu_to_be32(0); /* reclaim */ |
1944 | encode_nfs4_stateid(xdr, &args->stateid); | |
1945 | p = reserve_space(xdr, 20); | |
863a3c6c AA |
1946 | *p++ = cpu_to_be32(1); /* newoffset = TRUE */ |
1947 | p = xdr_encode_hyper(p, args->lastbytewritten); | |
1948 | *p++ = cpu_to_be32(0); /* Never send time_modify_changed */ | |
1949 | *p++ = cpu_to_be32(NFS_SERVER(args->inode)->pnfs_curr_ld->id);/* type */ | |
ac7db726 BH |
1950 | |
1951 | if (NFS_SERVER(inode)->pnfs_curr_ld->encode_layoutcommit) | |
1952 | NFS_SERVER(inode)->pnfs_curr_ld->encode_layoutcommit( | |
1953 | NFS_I(inode)->layout, xdr, args); | |
475d4ba0 TM |
1954 | else |
1955 | encode_uint32(xdr, 0); /* no layout-type payload */ | |
863a3c6c | 1956 | |
863a3c6c AA |
1957 | return 0; |
1958 | } | |
cbe82603 BH |
1959 | |
1960 | static void | |
1961 | encode_layoutreturn(struct xdr_stream *xdr, | |
1962 | const struct nfs4_layoutreturn_args *args, | |
1963 | struct compound_hdr *hdr) | |
1964 | { | |
1965 | __be32 *p; | |
1966 | ||
475d4ba0 TM |
1967 | encode_op_hdr(xdr, OP_LAYOUTRETURN, decode_layoutreturn_maxsz, hdr); |
1968 | p = reserve_space(xdr, 16); | |
cbe82603 BH |
1969 | *p++ = cpu_to_be32(0); /* reclaim. always 0 for now */ |
1970 | *p++ = cpu_to_be32(args->layout_type); | |
1971 | *p++ = cpu_to_be32(IOMODE_ANY); | |
1972 | *p = cpu_to_be32(RETURN_FILE); | |
ea9d23f5 | 1973 | p = reserve_space(xdr, 16); |
cbe82603 BH |
1974 | p = xdr_encode_hyper(p, 0); |
1975 | p = xdr_encode_hyper(p, NFS4_MAX_UINT64); | |
1976 | spin_lock(&args->inode->i_lock); | |
ea9d23f5 | 1977 | encode_nfs4_stateid(xdr, &args->stateid); |
cbe82603 | 1978 | spin_unlock(&args->inode->i_lock); |
04a55549 AA |
1979 | if (NFS_SERVER(args->inode)->pnfs_curr_ld->encode_layoutreturn) { |
1980 | NFS_SERVER(args->inode)->pnfs_curr_ld->encode_layoutreturn( | |
1981 | NFS_I(args->inode)->layout, xdr, args); | |
475d4ba0 TM |
1982 | } else |
1983 | encode_uint32(xdr, 0); | |
cbe82603 | 1984 | } |
fca78d6d BS |
1985 | |
1986 | static int | |
1987 | encode_secinfo_no_name(struct xdr_stream *xdr, | |
1988 | const struct nfs41_secinfo_no_name_args *args, | |
1989 | struct compound_hdr *hdr) | |
1990 | { | |
475d4ba0 TM |
1991 | encode_op_hdr(xdr, OP_SECINFO_NO_NAME, decode_secinfo_no_name_maxsz, hdr); |
1992 | encode_uint32(xdr, args->style); | |
fca78d6d BS |
1993 | return 0; |
1994 | } | |
7d974794 BS |
1995 | |
1996 | static void encode_test_stateid(struct xdr_stream *xdr, | |
1997 | struct nfs41_test_stateid_args *args, | |
1998 | struct compound_hdr *hdr) | |
1999 | { | |
475d4ba0 TM |
2000 | encode_op_hdr(xdr, OP_TEST_STATEID, decode_test_stateid_maxsz, hdr); |
2001 | encode_uint32(xdr, 1); | |
ea9d23f5 | 2002 | encode_nfs4_stateid(xdr, args->stateid); |
7d974794 | 2003 | } |
9aeda35f BS |
2004 | |
2005 | static void encode_free_stateid(struct xdr_stream *xdr, | |
2006 | struct nfs41_free_stateid_args *args, | |
2007 | struct compound_hdr *hdr) | |
2008 | { | |
ab19b481 | 2009 | encode_op_hdr(xdr, OP_FREE_STATEID, decode_free_stateid_maxsz, hdr); |
7c1d5fae | 2010 | encode_nfs4_stateid(xdr, &args->stateid); |
9aeda35f | 2011 | } |
b1f69b75 AA |
2012 | #endif /* CONFIG_NFS_V4_1 */ |
2013 | ||
1da177e4 LT |
2014 | /* |
2015 | * END OF "GENERIC" ENCODE ROUTINES. | |
2016 | */ | |
2017 | ||
66cc0429 BH |
2018 | static u32 nfs4_xdr_minorversion(const struct nfs4_sequence_args *args) |
2019 | { | |
2020 | #if defined(CONFIG_NFS_V4_1) | |
2b2fa717 TM |
2021 | |
2022 | if (args->sa_slot) | |
2023 | return args->sa_slot->table->session->clp->cl_mvops->minor_version; | |
66cc0429 BH |
2024 | #endif /* CONFIG_NFS_V4_1 */ |
2025 | return 0; | |
2026 | } | |
2027 | ||
1da177e4 LT |
2028 | /* |
2029 | * Encode an ACCESS request | |
2030 | */ | |
9f06c719 CL |
2031 | static void nfs4_xdr_enc_access(struct rpc_rqst *req, struct xdr_stream *xdr, |
2032 | const struct nfs4_accessargs *args) | |
1da177e4 | 2033 | { |
1da177e4 | 2034 | struct compound_hdr hdr = { |
66cc0429 | 2035 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2036 | }; |
1da177e4 | 2037 | |
9f06c719 CL |
2038 | encode_compound_hdr(xdr, req, &hdr); |
2039 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2040 | encode_putfh(xdr, args->fh, &hdr); | |
2041 | encode_access(xdr, args->access, &hdr); | |
2042 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2043 | encode_nops(&hdr); |
1da177e4 LT |
2044 | } |
2045 | ||
2046 | /* | |
2047 | * Encode LOOKUP request | |
2048 | */ | |
9f06c719 CL |
2049 | static void nfs4_xdr_enc_lookup(struct rpc_rqst *req, struct xdr_stream *xdr, |
2050 | const struct nfs4_lookup_arg *args) | |
1da177e4 | 2051 | { |
1da177e4 | 2052 | struct compound_hdr hdr = { |
66cc0429 | 2053 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2054 | }; |
1da177e4 | 2055 | |
9f06c719 CL |
2056 | encode_compound_hdr(xdr, req, &hdr); |
2057 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2058 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2059 | encode_lookup(xdr, args->name, &hdr); | |
2060 | encode_getfh(xdr, &hdr); | |
2061 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2062 | encode_nops(&hdr); |
1da177e4 LT |
2063 | } |
2064 | ||
2065 | /* | |
2066 | * Encode LOOKUP_ROOT request | |
2067 | */ | |
9f06c719 CL |
2068 | static void nfs4_xdr_enc_lookup_root(struct rpc_rqst *req, |
2069 | struct xdr_stream *xdr, | |
2070 | const struct nfs4_lookup_root_arg *args) | |
1da177e4 | 2071 | { |
1da177e4 | 2072 | struct compound_hdr hdr = { |
66cc0429 | 2073 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2074 | }; |
1da177e4 | 2075 | |
9f06c719 CL |
2076 | encode_compound_hdr(xdr, req, &hdr); |
2077 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2078 | encode_putrootfh(xdr, &hdr); | |
2079 | encode_getfh(xdr, &hdr); | |
2080 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2081 | encode_nops(&hdr); |
1da177e4 LT |
2082 | } |
2083 | ||
2084 | /* | |
2085 | * Encode REMOVE request | |
2086 | */ | |
9f06c719 CL |
2087 | static void nfs4_xdr_enc_remove(struct rpc_rqst *req, struct xdr_stream *xdr, |
2088 | const struct nfs_removeargs *args) | |
1da177e4 | 2089 | { |
1da177e4 | 2090 | struct compound_hdr hdr = { |
66cc0429 | 2091 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2092 | }; |
1da177e4 | 2093 | |
9f06c719 CL |
2094 | encode_compound_hdr(xdr, req, &hdr); |
2095 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2096 | encode_putfh(xdr, args->fh, &hdr); | |
2097 | encode_remove(xdr, &args->name, &hdr); | |
d017931c | 2098 | encode_nops(&hdr); |
1da177e4 LT |
2099 | } |
2100 | ||
2101 | /* | |
2102 | * Encode RENAME request | |
2103 | */ | |
9f06c719 CL |
2104 | static void nfs4_xdr_enc_rename(struct rpc_rqst *req, struct xdr_stream *xdr, |
2105 | const struct nfs_renameargs *args) | |
1da177e4 | 2106 | { |
1da177e4 | 2107 | struct compound_hdr hdr = { |
66cc0429 | 2108 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2109 | }; |
1da177e4 | 2110 | |
9f06c719 CL |
2111 | encode_compound_hdr(xdr, req, &hdr); |
2112 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2113 | encode_putfh(xdr, args->old_dir, &hdr); | |
2114 | encode_savefh(xdr, &hdr); | |
2115 | encode_putfh(xdr, args->new_dir, &hdr); | |
2116 | encode_rename(xdr, args->old_name, args->new_name, &hdr); | |
d017931c | 2117 | encode_nops(&hdr); |
1da177e4 LT |
2118 | } |
2119 | ||
2120 | /* | |
2121 | * Encode LINK request | |
2122 | */ | |
9f06c719 CL |
2123 | static void nfs4_xdr_enc_link(struct rpc_rqst *req, struct xdr_stream *xdr, |
2124 | const struct nfs4_link_arg *args) | |
1da177e4 | 2125 | { |
1da177e4 | 2126 | struct compound_hdr hdr = { |
66cc0429 | 2127 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2128 | }; |
1da177e4 | 2129 | |
9f06c719 CL |
2130 | encode_compound_hdr(xdr, req, &hdr); |
2131 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2132 | encode_putfh(xdr, args->fh, &hdr); | |
2133 | encode_savefh(xdr, &hdr); | |
2134 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2135 | encode_link(xdr, args->name, &hdr); | |
9f06c719 CL |
2136 | encode_restorefh(xdr, &hdr); |
2137 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2138 | encode_nops(&hdr); |
1da177e4 LT |
2139 | } |
2140 | ||
2141 | /* | |
2142 | * Encode CREATE request | |
2143 | */ | |
9f06c719 CL |
2144 | static void nfs4_xdr_enc_create(struct rpc_rqst *req, struct xdr_stream *xdr, |
2145 | const struct nfs4_create_arg *args) | |
1da177e4 | 2146 | { |
1da177e4 | 2147 | struct compound_hdr hdr = { |
66cc0429 | 2148 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2149 | }; |
1da177e4 | 2150 | |
9f06c719 CL |
2151 | encode_compound_hdr(xdr, req, &hdr); |
2152 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2153 | encode_putfh(xdr, args->dir_fh, &hdr); | |
9f06c719 CL |
2154 | encode_create(xdr, args, &hdr); |
2155 | encode_getfh(xdr, &hdr); | |
2156 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2157 | encode_nops(&hdr); |
1da177e4 LT |
2158 | } |
2159 | ||
2160 | /* | |
2161 | * Encode SYMLINK request | |
2162 | */ | |
9f06c719 CL |
2163 | static void nfs4_xdr_enc_symlink(struct rpc_rqst *req, struct xdr_stream *xdr, |
2164 | const struct nfs4_create_arg *args) | |
1da177e4 | 2165 | { |
9f06c719 | 2166 | nfs4_xdr_enc_create(req, xdr, args); |
1da177e4 LT |
2167 | } |
2168 | ||
2169 | /* | |
2170 | * Encode GETATTR request | |
2171 | */ | |
9f06c719 CL |
2172 | static void nfs4_xdr_enc_getattr(struct rpc_rqst *req, struct xdr_stream *xdr, |
2173 | const struct nfs4_getattr_arg *args) | |
1da177e4 | 2174 | { |
1da177e4 | 2175 | struct compound_hdr hdr = { |
66cc0429 | 2176 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2177 | }; |
1da177e4 | 2178 | |
9f06c719 CL |
2179 | encode_compound_hdr(xdr, req, &hdr); |
2180 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2181 | encode_putfh(xdr, args->fh, &hdr); | |
2182 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2183 | encode_nops(&hdr); |
1da177e4 LT |
2184 | } |
2185 | ||
2186 | /* | |
2187 | * Encode a CLOSE request | |
2188 | */ | |
9f06c719 CL |
2189 | static void nfs4_xdr_enc_close(struct rpc_rqst *req, struct xdr_stream *xdr, |
2190 | struct nfs_closeargs *args) | |
1da177e4 | 2191 | { |
05d564fe | 2192 | struct compound_hdr hdr = { |
66cc0429 | 2193 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 2194 | }; |
05d564fe | 2195 | |
9f06c719 CL |
2196 | encode_compound_hdr(xdr, req, &hdr); |
2197 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2198 | encode_putfh(xdr, args->fh, &hdr); | |
2199 | encode_close(xdr, args, &hdr); | |
2200 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2201 | encode_nops(&hdr); |
1da177e4 LT |
2202 | } |
2203 | ||
2204 | /* | |
2205 | * Encode an OPEN request | |
2206 | */ | |
9f06c719 CL |
2207 | static void nfs4_xdr_enc_open(struct rpc_rqst *req, struct xdr_stream *xdr, |
2208 | struct nfs_openargs *args) | |
1da177e4 | 2209 | { |
1da177e4 | 2210 | struct compound_hdr hdr = { |
66cc0429 | 2211 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2212 | }; |
1da177e4 | 2213 | |
9f06c719 CL |
2214 | encode_compound_hdr(xdr, req, &hdr); |
2215 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2216 | encode_putfh(xdr, args->fh, &hdr); | |
9f06c719 CL |
2217 | encode_open(xdr, args, &hdr); |
2218 | encode_getfh(xdr, &hdr); | |
ae2bb032 WAA |
2219 | if (args->access) |
2220 | encode_access(xdr, args->access, &hdr); | |
1549210f | 2221 | encode_getfattr_open(xdr, args->bitmask, args->open_bitmap, &hdr); |
d017931c | 2222 | encode_nops(&hdr); |
1da177e4 LT |
2223 | } |
2224 | ||
2225 | /* | |
2226 | * Encode an OPEN_CONFIRM request | |
2227 | */ | |
9f06c719 CL |
2228 | static void nfs4_xdr_enc_open_confirm(struct rpc_rqst *req, |
2229 | struct xdr_stream *xdr, | |
2230 | struct nfs_open_confirmargs *args) | |
1da177e4 | 2231 | { |
1da177e4 | 2232 | struct compound_hdr hdr = { |
d017931c | 2233 | .nops = 0, |
1da177e4 | 2234 | }; |
1da177e4 | 2235 | |
9f06c719 CL |
2236 | encode_compound_hdr(xdr, req, &hdr); |
2237 | encode_putfh(xdr, args->fh, &hdr); | |
2238 | encode_open_confirm(xdr, args, &hdr); | |
d017931c | 2239 | encode_nops(&hdr); |
1da177e4 LT |
2240 | } |
2241 | ||
2242 | /* | |
2243 | * Encode an OPEN request with no attributes. | |
2244 | */ | |
9f06c719 CL |
2245 | static void nfs4_xdr_enc_open_noattr(struct rpc_rqst *req, |
2246 | struct xdr_stream *xdr, | |
2247 | struct nfs_openargs *args) | |
1da177e4 | 2248 | { |
1da177e4 | 2249 | struct compound_hdr hdr = { |
66cc0429 | 2250 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2251 | }; |
1da177e4 | 2252 | |
9f06c719 CL |
2253 | encode_compound_hdr(xdr, req, &hdr); |
2254 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2255 | encode_putfh(xdr, args->fh, &hdr); | |
2256 | encode_open(xdr, args, &hdr); | |
ae2bb032 WAA |
2257 | if (args->access) |
2258 | encode_access(xdr, args->access, &hdr); | |
e23008ec | 2259 | encode_getfattr_open(xdr, args->bitmask, args->open_bitmap, &hdr); |
d017931c | 2260 | encode_nops(&hdr); |
1da177e4 LT |
2261 | } |
2262 | ||
2263 | /* | |
2264 | * Encode an OPEN_DOWNGRADE request | |
2265 | */ | |
9f06c719 CL |
2266 | static void nfs4_xdr_enc_open_downgrade(struct rpc_rqst *req, |
2267 | struct xdr_stream *xdr, | |
2268 | struct nfs_closeargs *args) | |
1da177e4 | 2269 | { |
1da177e4 | 2270 | struct compound_hdr hdr = { |
66cc0429 | 2271 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2272 | }; |
1da177e4 | 2273 | |
9f06c719 CL |
2274 | encode_compound_hdr(xdr, req, &hdr); |
2275 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2276 | encode_putfh(xdr, args->fh, &hdr); | |
2277 | encode_open_downgrade(xdr, args, &hdr); | |
2278 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2279 | encode_nops(&hdr); |
1da177e4 LT |
2280 | } |
2281 | ||
2282 | /* | |
2283 | * Encode a LOCK request | |
2284 | */ | |
9f06c719 CL |
2285 | static void nfs4_xdr_enc_lock(struct rpc_rqst *req, struct xdr_stream *xdr, |
2286 | struct nfs_lock_args *args) | |
1da177e4 | 2287 | { |
1da177e4 | 2288 | struct compound_hdr hdr = { |
66cc0429 | 2289 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2290 | }; |
1da177e4 | 2291 | |
9f06c719 CL |
2292 | encode_compound_hdr(xdr, req, &hdr); |
2293 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2294 | encode_putfh(xdr, args->fh, &hdr); | |
2295 | encode_lock(xdr, args, &hdr); | |
d017931c | 2296 | encode_nops(&hdr); |
1da177e4 LT |
2297 | } |
2298 | ||
2299 | /* | |
2300 | * Encode a LOCKT request | |
2301 | */ | |
9f06c719 CL |
2302 | static void nfs4_xdr_enc_lockt(struct rpc_rqst *req, struct xdr_stream *xdr, |
2303 | struct nfs_lockt_args *args) | |
1da177e4 | 2304 | { |
1da177e4 | 2305 | struct compound_hdr hdr = { |
66cc0429 | 2306 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2307 | }; |
1da177e4 | 2308 | |
9f06c719 CL |
2309 | encode_compound_hdr(xdr, req, &hdr); |
2310 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2311 | encode_putfh(xdr, args->fh, &hdr); | |
2312 | encode_lockt(xdr, args, &hdr); | |
d017931c | 2313 | encode_nops(&hdr); |
1da177e4 LT |
2314 | } |
2315 | ||
2316 | /* | |
2317 | * Encode a LOCKU request | |
2318 | */ | |
9f06c719 CL |
2319 | static void nfs4_xdr_enc_locku(struct rpc_rqst *req, struct xdr_stream *xdr, |
2320 | struct nfs_locku_args *args) | |
1da177e4 | 2321 | { |
1da177e4 | 2322 | struct compound_hdr hdr = { |
66cc0429 | 2323 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2324 | }; |
1da177e4 | 2325 | |
9f06c719 CL |
2326 | encode_compound_hdr(xdr, req, &hdr); |
2327 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2328 | encode_putfh(xdr, args->fh, &hdr); | |
2329 | encode_locku(xdr, args, &hdr); | |
d017931c | 2330 | encode_nops(&hdr); |
1da177e4 LT |
2331 | } |
2332 | ||
9f06c719 CL |
2333 | static void nfs4_xdr_enc_release_lockowner(struct rpc_rqst *req, |
2334 | struct xdr_stream *xdr, | |
2335 | struct nfs_release_lockowner_args *args) | |
d3c7b7cc | 2336 | { |
d3c7b7cc TM |
2337 | struct compound_hdr hdr = { |
2338 | .minorversion = 0, | |
2339 | }; | |
2340 | ||
9f06c719 CL |
2341 | encode_compound_hdr(xdr, req, &hdr); |
2342 | encode_release_lockowner(xdr, &args->lock_owner, &hdr); | |
d3c7b7cc | 2343 | encode_nops(&hdr); |
d3c7b7cc TM |
2344 | } |
2345 | ||
1da177e4 LT |
2346 | /* |
2347 | * Encode a READLINK request | |
2348 | */ | |
9f06c719 CL |
2349 | static void nfs4_xdr_enc_readlink(struct rpc_rqst *req, struct xdr_stream *xdr, |
2350 | const struct nfs4_readlink *args) | |
1da177e4 | 2351 | { |
1da177e4 | 2352 | struct compound_hdr hdr = { |
66cc0429 | 2353 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2354 | }; |
1da177e4 | 2355 | |
9f06c719 CL |
2356 | encode_compound_hdr(xdr, req, &hdr); |
2357 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2358 | encode_putfh(xdr, args->fh, &hdr); | |
2359 | encode_readlink(xdr, args, req, &hdr); | |
e3a535e1 | 2360 | |
28f56694 | 2361 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, |
e3a535e1 | 2362 | args->pgbase, args->pglen); |
d017931c | 2363 | encode_nops(&hdr); |
1da177e4 LT |
2364 | } |
2365 | ||
2366 | /* | |
2367 | * Encode a READDIR request | |
2368 | */ | |
9f06c719 CL |
2369 | static void nfs4_xdr_enc_readdir(struct rpc_rqst *req, struct xdr_stream *xdr, |
2370 | const struct nfs4_readdir_arg *args) | |
1da177e4 | 2371 | { |
1da177e4 | 2372 | struct compound_hdr hdr = { |
66cc0429 | 2373 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2374 | }; |
1da177e4 | 2375 | |
9f06c719 CL |
2376 | encode_compound_hdr(xdr, req, &hdr); |
2377 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2378 | encode_putfh(xdr, args->fh, &hdr); | |
2379 | encode_readdir(xdr, args, req, &hdr); | |
d6ac02df | 2380 | |
28f56694 | 2381 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, |
d6ac02df TM |
2382 | args->pgbase, args->count); |
2383 | dprintk("%s: inlined page args = (%u, %p, %u, %u)\n", | |
28f56694 | 2384 | __func__, hdr.replen << 2, args->pages, |
d6ac02df | 2385 | args->pgbase, args->count); |
d017931c | 2386 | encode_nops(&hdr); |
1da177e4 LT |
2387 | } |
2388 | ||
2389 | /* | |
2390 | * Encode a READ request | |
2391 | */ | |
9f06c719 CL |
2392 | static void nfs4_xdr_enc_read(struct rpc_rqst *req, struct xdr_stream *xdr, |
2393 | struct nfs_readargs *args) | |
1da177e4 | 2394 | { |
1da177e4 | 2395 | struct compound_hdr hdr = { |
66cc0429 | 2396 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2397 | }; |
1da177e4 | 2398 | |
9f06c719 CL |
2399 | encode_compound_hdr(xdr, req, &hdr); |
2400 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2401 | encode_putfh(xdr, args->fh, &hdr); | |
2402 | encode_read(xdr, args, &hdr); | |
1da177e4 | 2403 | |
28f56694 | 2404 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, |
1da177e4 | 2405 | args->pages, args->pgbase, args->count); |
4f22ccc3 | 2406 | req->rq_rcv_buf.flags |= XDRBUF_READ; |
d017931c | 2407 | encode_nops(&hdr); |
1da177e4 LT |
2408 | } |
2409 | ||
2410 | /* | |
2411 | * Encode an SETATTR request | |
2412 | */ | |
9f06c719 CL |
2413 | static void nfs4_xdr_enc_setattr(struct rpc_rqst *req, struct xdr_stream *xdr, |
2414 | struct nfs_setattrargs *args) | |
1da177e4 | 2415 | { |
05d564fe | 2416 | struct compound_hdr hdr = { |
66cc0429 | 2417 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 2418 | }; |
05d564fe | 2419 | |
9f06c719 CL |
2420 | encode_compound_hdr(xdr, req, &hdr); |
2421 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2422 | encode_putfh(xdr, args->fh, &hdr); | |
2423 | encode_setattr(xdr, args, args->server, &hdr); | |
2424 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2425 | encode_nops(&hdr); |
1da177e4 LT |
2426 | } |
2427 | ||
029d105e BF |
2428 | /* |
2429 | * Encode a GETACL request | |
2430 | */ | |
9f06c719 CL |
2431 | static void nfs4_xdr_enc_getacl(struct rpc_rqst *req, struct xdr_stream *xdr, |
2432 | struct nfs_getaclargs *args) | |
029d105e | 2433 | { |
029d105e | 2434 | struct compound_hdr hdr = { |
66cc0429 | 2435 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
029d105e | 2436 | }; |
28f56694 | 2437 | uint32_t replen; |
029d105e | 2438 | |
9f06c719 CL |
2439 | encode_compound_hdr(xdr, req, &hdr); |
2440 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2441 | encode_putfh(xdr, args->fh, &hdr); | |
bf118a34 | 2442 | replen = hdr.replen + op_decode_hdr_maxsz + 1; |
9f06c719 | 2443 | encode_getattr_two(xdr, FATTR4_WORD0_ACL, 0, &hdr); |
cf8cdbe5 | 2444 | |
28f56694 | 2445 | xdr_inline_pages(&req->rq_rcv_buf, replen << 2, |
029d105e | 2446 | args->acl_pages, args->acl_pgbase, args->acl_len); |
bf118a34 | 2447 | |
d017931c | 2448 | encode_nops(&hdr); |
029d105e BF |
2449 | } |
2450 | ||
1da177e4 LT |
2451 | /* |
2452 | * Encode a WRITE request | |
2453 | */ | |
9f06c719 CL |
2454 | static void nfs4_xdr_enc_write(struct rpc_rqst *req, struct xdr_stream *xdr, |
2455 | struct nfs_writeargs *args) | |
1da177e4 | 2456 | { |
1da177e4 | 2457 | struct compound_hdr hdr = { |
66cc0429 | 2458 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2459 | }; |
1da177e4 | 2460 | |
9f06c719 CL |
2461 | encode_compound_hdr(xdr, req, &hdr); |
2462 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2463 | encode_putfh(xdr, args->fh, &hdr); | |
2464 | encode_write(xdr, args, &hdr); | |
4f22ccc3 | 2465 | req->rq_snd_buf.flags |= XDRBUF_WRITE; |
7ffd1064 FI |
2466 | if (args->bitmask) |
2467 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2468 | encode_nops(&hdr); |
1da177e4 LT |
2469 | } |
2470 | ||
2471 | /* | |
2472 | * a COMMIT request | |
2473 | */ | |
9f06c719 | 2474 | static void nfs4_xdr_enc_commit(struct rpc_rqst *req, struct xdr_stream *xdr, |
0b7c0153 | 2475 | struct nfs_commitargs *args) |
1da177e4 | 2476 | { |
1da177e4 | 2477 | struct compound_hdr hdr = { |
66cc0429 | 2478 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2479 | }; |
1da177e4 | 2480 | |
9f06c719 CL |
2481 | encode_compound_hdr(xdr, req, &hdr); |
2482 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2483 | encode_putfh(xdr, args->fh, &hdr); | |
2484 | encode_commit(xdr, args, &hdr); | |
d017931c | 2485 | encode_nops(&hdr); |
1da177e4 LT |
2486 | } |
2487 | ||
2488 | /* | |
2489 | * FSINFO request | |
2490 | */ | |
9f06c719 CL |
2491 | static void nfs4_xdr_enc_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, |
2492 | struct nfs4_fsinfo_arg *args) | |
1da177e4 | 2493 | { |
1da177e4 | 2494 | struct compound_hdr hdr = { |
66cc0429 | 2495 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2496 | }; |
1da177e4 | 2497 | |
9f06c719 CL |
2498 | encode_compound_hdr(xdr, req, &hdr); |
2499 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2500 | encode_putfh(xdr, args->fh, &hdr); | |
2501 | encode_fsinfo(xdr, args->bitmask, &hdr); | |
d017931c | 2502 | encode_nops(&hdr); |
1da177e4 LT |
2503 | } |
2504 | ||
2505 | /* | |
2506 | * a PATHCONF request | |
2507 | */ | |
9f06c719 CL |
2508 | static void nfs4_xdr_enc_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, |
2509 | const struct nfs4_pathconf_arg *args) | |
1da177e4 | 2510 | { |
1da177e4 | 2511 | struct compound_hdr hdr = { |
66cc0429 | 2512 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2513 | }; |
1da177e4 | 2514 | |
9f06c719 CL |
2515 | encode_compound_hdr(xdr, req, &hdr); |
2516 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2517 | encode_putfh(xdr, args->fh, &hdr); | |
2518 | encode_getattr_one(xdr, args->bitmask[0] & nfs4_pathconf_bitmap[0], | |
cf8cdbe5 | 2519 | &hdr); |
d017931c | 2520 | encode_nops(&hdr); |
1da177e4 LT |
2521 | } |
2522 | ||
2523 | /* | |
2524 | * a STATFS request | |
2525 | */ | |
9f06c719 CL |
2526 | static void nfs4_xdr_enc_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, |
2527 | const struct nfs4_statfs_arg *args) | |
1da177e4 | 2528 | { |
1da177e4 | 2529 | struct compound_hdr hdr = { |
66cc0429 | 2530 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2531 | }; |
1da177e4 | 2532 | |
9f06c719 CL |
2533 | encode_compound_hdr(xdr, req, &hdr); |
2534 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2535 | encode_putfh(xdr, args->fh, &hdr); | |
2536 | encode_getattr_two(xdr, args->bitmask[0] & nfs4_statfs_bitmap[0], | |
cf8cdbe5 | 2537 | args->bitmask[1] & nfs4_statfs_bitmap[1], &hdr); |
d017931c | 2538 | encode_nops(&hdr); |
1da177e4 LT |
2539 | } |
2540 | ||
2541 | /* | |
2542 | * GETATTR_BITMAP request | |
2543 | */ | |
9f06c719 CL |
2544 | static void nfs4_xdr_enc_server_caps(struct rpc_rqst *req, |
2545 | struct xdr_stream *xdr, | |
2546 | struct nfs4_server_caps_arg *args) | |
1da177e4 | 2547 | { |
1da177e4 | 2548 | struct compound_hdr hdr = { |
66cc0429 | 2549 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2550 | }; |
1da177e4 | 2551 | |
9f06c719 CL |
2552 | encode_compound_hdr(xdr, req, &hdr); |
2553 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2554 | encode_putfh(xdr, args->fhandle, &hdr); | |
2555 | encode_getattr_one(xdr, FATTR4_WORD0_SUPPORTED_ATTRS| | |
264e6351 | 2556 | FATTR4_WORD0_FH_EXPIRE_TYPE| |
cf8cdbe5 AA |
2557 | FATTR4_WORD0_LINK_SUPPORT| |
2558 | FATTR4_WORD0_SYMLINK_SUPPORT| | |
2559 | FATTR4_WORD0_ACLSUPPORT, &hdr); | |
d017931c | 2560 | encode_nops(&hdr); |
1da177e4 LT |
2561 | } |
2562 | ||
2563 | /* | |
2564 | * a RENEW request | |
2565 | */ | |
9f06c719 CL |
2566 | static void nfs4_xdr_enc_renew(struct rpc_rqst *req, struct xdr_stream *xdr, |
2567 | struct nfs_client *clp) | |
1da177e4 | 2568 | { |
1da177e4 | 2569 | struct compound_hdr hdr = { |
d017931c | 2570 | .nops = 0, |
1da177e4 LT |
2571 | }; |
2572 | ||
9f06c719 | 2573 | encode_compound_hdr(xdr, req, &hdr); |
bb4dae5e | 2574 | encode_renew(xdr, clp->cl_clientid, &hdr); |
d017931c | 2575 | encode_nops(&hdr); |
1da177e4 LT |
2576 | } |
2577 | ||
2578 | /* | |
2579 | * a SETCLIENTID request | |
2580 | */ | |
9f06c719 CL |
2581 | static void nfs4_xdr_enc_setclientid(struct rpc_rqst *req, |
2582 | struct xdr_stream *xdr, | |
2583 | struct nfs4_setclientid *sc) | |
1da177e4 | 2584 | { |
1da177e4 | 2585 | struct compound_hdr hdr = { |
d017931c | 2586 | .nops = 0, |
1da177e4 LT |
2587 | }; |
2588 | ||
9f06c719 CL |
2589 | encode_compound_hdr(xdr, req, &hdr); |
2590 | encode_setclientid(xdr, sc, &hdr); | |
d017931c | 2591 | encode_nops(&hdr); |
1da177e4 LT |
2592 | } |
2593 | ||
2594 | /* | |
2595 | * a SETCLIENTID_CONFIRM request | |
2596 | */ | |
9f06c719 CL |
2597 | static void nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, |
2598 | struct xdr_stream *xdr, | |
2599 | struct nfs4_setclientid_res *arg) | |
1da177e4 | 2600 | { |
1da177e4 | 2601 | struct compound_hdr hdr = { |
d017931c | 2602 | .nops = 0, |
1da177e4 | 2603 | }; |
1da177e4 | 2604 | |
9f06c719 CL |
2605 | encode_compound_hdr(xdr, req, &hdr); |
2606 | encode_setclientid_confirm(xdr, arg, &hdr); | |
d017931c | 2607 | encode_nops(&hdr); |
1da177e4 LT |
2608 | } |
2609 | ||
2610 | /* | |
2611 | * DELEGRETURN request | |
2612 | */ | |
9f06c719 CL |
2613 | static void nfs4_xdr_enc_delegreturn(struct rpc_rqst *req, |
2614 | struct xdr_stream *xdr, | |
2615 | const struct nfs4_delegreturnargs *args) | |
1da177e4 | 2616 | { |
1da177e4 | 2617 | struct compound_hdr hdr = { |
66cc0429 | 2618 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2619 | }; |
1da177e4 | 2620 | |
9f06c719 CL |
2621 | encode_compound_hdr(xdr, req, &hdr); |
2622 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2623 | encode_putfh(xdr, args->fhandle, &hdr); | |
9f06c719 | 2624 | encode_getfattr(xdr, args->bitmask, &hdr); |
e144cbcc | 2625 | encode_delegreturn(xdr, args->stateid, &hdr); |
d017931c | 2626 | encode_nops(&hdr); |
1da177e4 LT |
2627 | } |
2628 | ||
683b57b4 TM |
2629 | /* |
2630 | * Encode FS_LOCATIONS request | |
2631 | */ | |
9f06c719 CL |
2632 | static void nfs4_xdr_enc_fs_locations(struct rpc_rqst *req, |
2633 | struct xdr_stream *xdr, | |
2634 | struct nfs4_fs_locations_arg *args) | |
683b57b4 | 2635 | { |
683b57b4 | 2636 | struct compound_hdr hdr = { |
66cc0429 | 2637 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
683b57b4 | 2638 | }; |
28f56694 | 2639 | uint32_t replen; |
683b57b4 | 2640 | |
9f06c719 CL |
2641 | encode_compound_hdr(xdr, req, &hdr); |
2642 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2643 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2644 | encode_lookup(xdr, args->name, &hdr); | |
28f56694 | 2645 | replen = hdr.replen; /* get the attribute into args->page */ |
9f06c719 | 2646 | encode_fs_locations(xdr, args->bitmask, &hdr); |
cf8cdbe5 | 2647 | |
28f56694 | 2648 | xdr_inline_pages(&req->rq_rcv_buf, replen << 2, &args->page, |
683b57b4 | 2649 | 0, PAGE_SIZE); |
d017931c | 2650 | encode_nops(&hdr); |
683b57b4 TM |
2651 | } |
2652 | ||
5a5ea0d4 BS |
2653 | /* |
2654 | * Encode SECINFO request | |
2655 | */ | |
2656 | static void nfs4_xdr_enc_secinfo(struct rpc_rqst *req, | |
2657 | struct xdr_stream *xdr, | |
2658 | struct nfs4_secinfo_arg *args) | |
2659 | { | |
2660 | struct compound_hdr hdr = { | |
2661 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2662 | }; | |
2663 | ||
2664 | encode_compound_hdr(xdr, req, &hdr); | |
2665 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2666 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2667 | encode_secinfo(xdr, args->name, &hdr); | |
2668 | encode_nops(&hdr); | |
2669 | } | |
2670 | ||
99fe60d0 | 2671 | #if defined(CONFIG_NFS_V4_1) |
7c44f1ae WAA |
2672 | /* |
2673 | * BIND_CONN_TO_SESSION request | |
2674 | */ | |
2675 | static void nfs4_xdr_enc_bind_conn_to_session(struct rpc_rqst *req, | |
2676 | struct xdr_stream *xdr, | |
2677 | struct nfs_client *clp) | |
2678 | { | |
2679 | struct compound_hdr hdr = { | |
2680 | .minorversion = clp->cl_mvops->minor_version, | |
2681 | }; | |
2682 | ||
2683 | encode_compound_hdr(xdr, req, &hdr); | |
2684 | encode_bind_conn_to_session(xdr, clp->cl_session, &hdr); | |
2685 | encode_nops(&hdr); | |
2686 | } | |
2687 | ||
99fe60d0 BH |
2688 | /* |
2689 | * EXCHANGE_ID request | |
2690 | */ | |
9f06c719 CL |
2691 | static void nfs4_xdr_enc_exchange_id(struct rpc_rqst *req, |
2692 | struct xdr_stream *xdr, | |
2693 | struct nfs41_exchange_id_args *args) | |
99fe60d0 | 2694 | { |
99fe60d0 | 2695 | struct compound_hdr hdr = { |
a4432345 | 2696 | .minorversion = args->client->cl_mvops->minor_version, |
99fe60d0 BH |
2697 | }; |
2698 | ||
9f06c719 CL |
2699 | encode_compound_hdr(xdr, req, &hdr); |
2700 | encode_exchange_id(xdr, args, &hdr); | |
99fe60d0 | 2701 | encode_nops(&hdr); |
99fe60d0 | 2702 | } |
2050f0cc | 2703 | |
fc931582 AA |
2704 | /* |
2705 | * a CREATE_SESSION request | |
2706 | */ | |
9f06c719 CL |
2707 | static void nfs4_xdr_enc_create_session(struct rpc_rqst *req, |
2708 | struct xdr_stream *xdr, | |
2709 | struct nfs41_create_session_args *args) | |
fc931582 | 2710 | { |
fc931582 | 2711 | struct compound_hdr hdr = { |
a4432345 | 2712 | .minorversion = args->client->cl_mvops->minor_version, |
fc931582 AA |
2713 | }; |
2714 | ||
9f06c719 CL |
2715 | encode_compound_hdr(xdr, req, &hdr); |
2716 | encode_create_session(xdr, args, &hdr); | |
fc931582 | 2717 | encode_nops(&hdr); |
fc931582 AA |
2718 | } |
2719 | ||
0f3e66c6 AA |
2720 | /* |
2721 | * a DESTROY_SESSION request | |
2722 | */ | |
9f06c719 CL |
2723 | static void nfs4_xdr_enc_destroy_session(struct rpc_rqst *req, |
2724 | struct xdr_stream *xdr, | |
2725 | struct nfs4_session *session) | |
0f3e66c6 | 2726 | { |
0f3e66c6 | 2727 | struct compound_hdr hdr = { |
a4432345 | 2728 | .minorversion = session->clp->cl_mvops->minor_version, |
0f3e66c6 AA |
2729 | }; |
2730 | ||
9f06c719 CL |
2731 | encode_compound_hdr(xdr, req, &hdr); |
2732 | encode_destroy_session(xdr, session, &hdr); | |
0f3e66c6 | 2733 | encode_nops(&hdr); |
0f3e66c6 AA |
2734 | } |
2735 | ||
66245539 TM |
2736 | /* |
2737 | * a DESTROY_CLIENTID request | |
2738 | */ | |
2739 | static void nfs4_xdr_enc_destroy_clientid(struct rpc_rqst *req, | |
2740 | struct xdr_stream *xdr, | |
2741 | struct nfs_client *clp) | |
2742 | { | |
2743 | struct compound_hdr hdr = { | |
2744 | .minorversion = clp->cl_mvops->minor_version, | |
2745 | }; | |
2746 | ||
2747 | encode_compound_hdr(xdr, req, &hdr); | |
2748 | encode_destroy_clientid(xdr, clp->cl_clientid, &hdr); | |
2749 | encode_nops(&hdr); | |
2750 | } | |
2751 | ||
fc01cea9 AA |
2752 | /* |
2753 | * a SEQUENCE request | |
2754 | */ | |
9f06c719 CL |
2755 | static void nfs4_xdr_enc_sequence(struct rpc_rqst *req, struct xdr_stream *xdr, |
2756 | struct nfs4_sequence_args *args) | |
fc01cea9 | 2757 | { |
fc01cea9 AA |
2758 | struct compound_hdr hdr = { |
2759 | .minorversion = nfs4_xdr_minorversion(args), | |
2760 | }; | |
2761 | ||
9f06c719 CL |
2762 | encode_compound_hdr(xdr, req, &hdr); |
2763 | encode_sequence(xdr, args, &hdr); | |
fc01cea9 | 2764 | encode_nops(&hdr); |
fc01cea9 AA |
2765 | } |
2766 | ||
2050f0cc AA |
2767 | /* |
2768 | * a GET_LEASE_TIME request | |
2769 | */ | |
9f06c719 CL |
2770 | static void nfs4_xdr_enc_get_lease_time(struct rpc_rqst *req, |
2771 | struct xdr_stream *xdr, | |
2772 | struct nfs4_get_lease_time_args *args) | |
2050f0cc | 2773 | { |
2050f0cc AA |
2774 | struct compound_hdr hdr = { |
2775 | .minorversion = nfs4_xdr_minorversion(&args->la_seq_args), | |
2776 | }; | |
dae100c2 | 2777 | const u32 lease_bitmap[3] = { FATTR4_WORD0_LEASE_TIME }; |
2050f0cc | 2778 | |
9f06c719 CL |
2779 | encode_compound_hdr(xdr, req, &hdr); |
2780 | encode_sequence(xdr, &args->la_seq_args, &hdr); | |
2781 | encode_putrootfh(xdr, &hdr); | |
2782 | encode_fsinfo(xdr, lease_bitmap, &hdr); | |
2050f0cc | 2783 | encode_nops(&hdr); |
2050f0cc | 2784 | } |
18019753 RL |
2785 | |
2786 | /* | |
2787 | * a RECLAIM_COMPLETE request | |
2788 | */ | |
9f06c719 CL |
2789 | static void nfs4_xdr_enc_reclaim_complete(struct rpc_rqst *req, |
2790 | struct xdr_stream *xdr, | |
2791 | struct nfs41_reclaim_complete_args *args) | |
18019753 | 2792 | { |
18019753 RL |
2793 | struct compound_hdr hdr = { |
2794 | .minorversion = nfs4_xdr_minorversion(&args->seq_args) | |
2795 | }; | |
2796 | ||
9f06c719 CL |
2797 | encode_compound_hdr(xdr, req, &hdr); |
2798 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2799 | encode_reclaim_complete(xdr, args, &hdr); | |
18019753 | 2800 | encode_nops(&hdr); |
18019753 RL |
2801 | } |
2802 | ||
7f11d8d3 AA |
2803 | /* |
2804 | * Encode GETDEVICELIST request | |
2805 | */ | |
2806 | static void nfs4_xdr_enc_getdevicelist(struct rpc_rqst *req, | |
2807 | struct xdr_stream *xdr, | |
2808 | struct nfs4_getdevicelist_args *args) | |
2809 | { | |
2810 | struct compound_hdr hdr = { | |
2811 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2812 | }; | |
2813 | ||
2814 | encode_compound_hdr(xdr, req, &hdr); | |
2815 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2816 | encode_putfh(xdr, args->fh, &hdr); | |
2817 | encode_getdevicelist(xdr, args, &hdr); | |
2818 | encode_nops(&hdr); | |
2819 | } | |
2820 | ||
b1f69b75 AA |
2821 | /* |
2822 | * Encode GETDEVICEINFO request | |
2823 | */ | |
9f06c719 CL |
2824 | static void nfs4_xdr_enc_getdeviceinfo(struct rpc_rqst *req, |
2825 | struct xdr_stream *xdr, | |
2826 | struct nfs4_getdeviceinfo_args *args) | |
b1f69b75 | 2827 | { |
b1f69b75 AA |
2828 | struct compound_hdr hdr = { |
2829 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2830 | }; | |
2831 | ||
9f06c719 CL |
2832 | encode_compound_hdr(xdr, req, &hdr); |
2833 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2834 | encode_getdeviceinfo(xdr, args, &hdr); | |
b1f69b75 AA |
2835 | |
2836 | /* set up reply kvec. Subtract notification bitmap max size (2) | |
2837 | * so that notification bitmap is put in xdr_buf tail */ | |
2838 | xdr_inline_pages(&req->rq_rcv_buf, (hdr.replen - 2) << 2, | |
2839 | args->pdev->pages, args->pdev->pgbase, | |
2840 | args->pdev->pglen); | |
2841 | ||
2842 | encode_nops(&hdr); | |
b1f69b75 AA |
2843 | } |
2844 | ||
2845 | /* | |
2846 | * Encode LAYOUTGET request | |
2847 | */ | |
9f06c719 CL |
2848 | static void nfs4_xdr_enc_layoutget(struct rpc_rqst *req, |
2849 | struct xdr_stream *xdr, | |
2850 | struct nfs4_layoutget_args *args) | |
b1f69b75 | 2851 | { |
b1f69b75 AA |
2852 | struct compound_hdr hdr = { |
2853 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2854 | }; | |
2855 | ||
9f06c719 CL |
2856 | encode_compound_hdr(xdr, req, &hdr); |
2857 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2858 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
2859 | encode_layoutget(xdr, args, &hdr); | |
35124a09 WAA |
2860 | |
2861 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, | |
2862 | args->layout.pages, 0, args->layout.pglen); | |
2863 | ||
b1f69b75 | 2864 | encode_nops(&hdr); |
b1f69b75 | 2865 | } |
863a3c6c AA |
2866 | |
2867 | /* | |
2868 | * Encode LAYOUTCOMMIT request | |
2869 | */ | |
cbe82603 BH |
2870 | static void nfs4_xdr_enc_layoutcommit(struct rpc_rqst *req, |
2871 | struct xdr_stream *xdr, | |
2872 | struct nfs4_layoutcommit_args *args) | |
863a3c6c | 2873 | { |
ac7db726 BH |
2874 | struct nfs4_layoutcommit_data *data = |
2875 | container_of(args, struct nfs4_layoutcommit_data, args); | |
863a3c6c AA |
2876 | struct compound_hdr hdr = { |
2877 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2878 | }; | |
2879 | ||
2880 | encode_compound_hdr(xdr, req, &hdr); | |
2881 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2882 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
ac7db726 | 2883 | encode_layoutcommit(xdr, data->args.inode, args, &hdr); |
863a3c6c | 2884 | encode_getfattr(xdr, args->bitmask, &hdr); |
b1f69b75 | 2885 | encode_nops(&hdr); |
cbe82603 BH |
2886 | } |
2887 | ||
2888 | /* | |
2889 | * Encode LAYOUTRETURN request | |
2890 | */ | |
2891 | static void nfs4_xdr_enc_layoutreturn(struct rpc_rqst *req, | |
2892 | struct xdr_stream *xdr, | |
2893 | struct nfs4_layoutreturn_args *args) | |
2894 | { | |
2895 | struct compound_hdr hdr = { | |
2896 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2897 | }; | |
2898 | ||
2899 | encode_compound_hdr(xdr, req, &hdr); | |
2900 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2901 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
2902 | encode_layoutreturn(xdr, args, &hdr); | |
2903 | encode_nops(&hdr); | |
b1f69b75 | 2904 | } |
fca78d6d BS |
2905 | |
2906 | /* | |
2907 | * Encode SECINFO_NO_NAME request | |
2908 | */ | |
2909 | static int nfs4_xdr_enc_secinfo_no_name(struct rpc_rqst *req, | |
2910 | struct xdr_stream *xdr, | |
2911 | struct nfs41_secinfo_no_name_args *args) | |
2912 | { | |
2913 | struct compound_hdr hdr = { | |
2914 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2915 | }; | |
2916 | ||
2917 | encode_compound_hdr(xdr, req, &hdr); | |
2918 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2919 | encode_putrootfh(xdr, &hdr); | |
2920 | encode_secinfo_no_name(xdr, args, &hdr); | |
2921 | encode_nops(&hdr); | |
2922 | return 0; | |
2923 | } | |
7d974794 BS |
2924 | |
2925 | /* | |
2926 | * Encode TEST_STATEID request | |
2927 | */ | |
2928 | static void nfs4_xdr_enc_test_stateid(struct rpc_rqst *req, | |
2929 | struct xdr_stream *xdr, | |
2930 | struct nfs41_test_stateid_args *args) | |
2931 | { | |
2932 | struct compound_hdr hdr = { | |
2933 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2934 | }; | |
2935 | ||
2936 | encode_compound_hdr(xdr, req, &hdr); | |
2937 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2938 | encode_test_stateid(xdr, args, &hdr); | |
2939 | encode_nops(&hdr); | |
2940 | } | |
9aeda35f BS |
2941 | |
2942 | /* | |
2943 | * Encode FREE_STATEID request | |
2944 | */ | |
2945 | static void nfs4_xdr_enc_free_stateid(struct rpc_rqst *req, | |
2946 | struct xdr_stream *xdr, | |
2947 | struct nfs41_free_stateid_args *args) | |
2948 | { | |
2949 | struct compound_hdr hdr = { | |
2950 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2951 | }; | |
2952 | ||
2953 | encode_compound_hdr(xdr, req, &hdr); | |
2954 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2955 | encode_free_stateid(xdr, args, &hdr); | |
2956 | encode_nops(&hdr); | |
2957 | } | |
99fe60d0 BH |
2958 | #endif /* CONFIG_NFS_V4_1 */ |
2959 | ||
686841b3 BH |
2960 | static void print_overflow_msg(const char *func, const struct xdr_stream *xdr) |
2961 | { | |
2962 | dprintk("nfs: %s: prematurely hit end of receive buffer. " | |
2963 | "Remaining buffer length is %tu words.\n", | |
2964 | func, xdr->end - xdr->p); | |
2965 | } | |
1da177e4 | 2966 | |
683b57b4 | 2967 | static int decode_opaque_inline(struct xdr_stream *xdr, unsigned int *len, char **string) |
1da177e4 | 2968 | { |
8687b63a | 2969 | __be32 *p; |
1da177e4 | 2970 | |
c0eae66e BH |
2971 | p = xdr_inline_decode(xdr, 4); |
2972 | if (unlikely(!p)) | |
2973 | goto out_overflow; | |
cccddf4f | 2974 | *len = be32_to_cpup(p); |
c0eae66e BH |
2975 | p = xdr_inline_decode(xdr, *len); |
2976 | if (unlikely(!p)) | |
2977 | goto out_overflow; | |
1da177e4 LT |
2978 | *string = (char *)p; |
2979 | return 0; | |
c0eae66e BH |
2980 | out_overflow: |
2981 | print_overflow_msg(__func__, xdr); | |
2982 | return -EIO; | |
1da177e4 LT |
2983 | } |
2984 | ||
2985 | static int decode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr) | |
2986 | { | |
8687b63a | 2987 | __be32 *p; |
1da177e4 | 2988 | |
c0eae66e BH |
2989 | p = xdr_inline_decode(xdr, 8); |
2990 | if (unlikely(!p)) | |
2991 | goto out_overflow; | |
6f723f77 | 2992 | hdr->status = be32_to_cpup(p++); |
cccddf4f | 2993 | hdr->taglen = be32_to_cpup(p); |
6c0195a4 | 2994 | |
c0eae66e BH |
2995 | p = xdr_inline_decode(xdr, hdr->taglen + 4); |
2996 | if (unlikely(!p)) | |
2997 | goto out_overflow; | |
1da177e4 LT |
2998 | hdr->tag = (char *)p; |
2999 | p += XDR_QUADLEN(hdr->taglen); | |
cccddf4f | 3000 | hdr->nops = be32_to_cpup(p); |
aadf6152 BH |
3001 | if (unlikely(hdr->nops < 1)) |
3002 | return nfs4_stat_to_errno(hdr->status); | |
1da177e4 | 3003 | return 0; |
c0eae66e BH |
3004 | out_overflow: |
3005 | print_overflow_msg(__func__, xdr); | |
3006 | return -EIO; | |
1da177e4 LT |
3007 | } |
3008 | ||
3009 | static int decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected) | |
3010 | { | |
8687b63a | 3011 | __be32 *p; |
1da177e4 LT |
3012 | uint32_t opnum; |
3013 | int32_t nfserr; | |
3014 | ||
c0eae66e BH |
3015 | p = xdr_inline_decode(xdr, 8); |
3016 | if (unlikely(!p)) | |
3017 | goto out_overflow; | |
6f723f77 | 3018 | opnum = be32_to_cpup(p++); |
1da177e4 | 3019 | if (opnum != expected) { |
fe82a183 CL |
3020 | dprintk("nfs: Server returned operation" |
3021 | " %d but we issued a request for %d\n", | |
1da177e4 LT |
3022 | opnum, expected); |
3023 | return -EIO; | |
3024 | } | |
cccddf4f | 3025 | nfserr = be32_to_cpup(p); |
1da177e4 | 3026 | if (nfserr != NFS_OK) |
856dff3d | 3027 | return nfs4_stat_to_errno(nfserr); |
1da177e4 | 3028 | return 0; |
c0eae66e BH |
3029 | out_overflow: |
3030 | print_overflow_msg(__func__, xdr); | |
3031 | return -EIO; | |
1da177e4 LT |
3032 | } |
3033 | ||
3034 | /* Dummy routine */ | |
adfa6f98 | 3035 | static int decode_ace(struct xdr_stream *xdr, void *ace, struct nfs_client *clp) |
1da177e4 | 3036 | { |
8687b63a | 3037 | __be32 *p; |
683b57b4 | 3038 | unsigned int strlen; |
1da177e4 LT |
3039 | char *str; |
3040 | ||
c0eae66e BH |
3041 | p = xdr_inline_decode(xdr, 12); |
3042 | if (likely(p)) | |
3043 | return decode_opaque_inline(xdr, &strlen, &str); | |
3044 | print_overflow_msg(__func__, xdr); | |
3045 | return -EIO; | |
1da177e4 LT |
3046 | } |
3047 | ||
3048 | static int decode_attr_bitmap(struct xdr_stream *xdr, uint32_t *bitmap) | |
3049 | { | |
8687b63a AV |
3050 | uint32_t bmlen; |
3051 | __be32 *p; | |
1da177e4 | 3052 | |
c0eae66e BH |
3053 | p = xdr_inline_decode(xdr, 4); |
3054 | if (unlikely(!p)) | |
3055 | goto out_overflow; | |
cccddf4f | 3056 | bmlen = be32_to_cpup(p); |
1da177e4 | 3057 | |
dae100c2 | 3058 | bitmap[0] = bitmap[1] = bitmap[2] = 0; |
c0eae66e BH |
3059 | p = xdr_inline_decode(xdr, (bmlen << 2)); |
3060 | if (unlikely(!p)) | |
3061 | goto out_overflow; | |
1da177e4 | 3062 | if (bmlen > 0) { |
6f723f77 | 3063 | bitmap[0] = be32_to_cpup(p++); |
dae100c2 FI |
3064 | if (bmlen > 1) { |
3065 | bitmap[1] = be32_to_cpup(p++); | |
3066 | if (bmlen > 2) | |
3067 | bitmap[2] = be32_to_cpup(p); | |
3068 | } | |
1da177e4 LT |
3069 | } |
3070 | return 0; | |
c0eae66e BH |
3071 | out_overflow: |
3072 | print_overflow_msg(__func__, xdr); | |
3073 | return -EIO; | |
1da177e4 LT |
3074 | } |
3075 | ||
256e48bb | 3076 | static int decode_attr_length(struct xdr_stream *xdr, uint32_t *attrlen, unsigned int *savep) |
1da177e4 | 3077 | { |
8687b63a | 3078 | __be32 *p; |
1da177e4 | 3079 | |
c0eae66e BH |
3080 | p = xdr_inline_decode(xdr, 4); |
3081 | if (unlikely(!p)) | |
3082 | goto out_overflow; | |
cccddf4f | 3083 | *attrlen = be32_to_cpup(p); |
256e48bb | 3084 | *savep = xdr_stream_pos(xdr); |
1da177e4 | 3085 | return 0; |
c0eae66e BH |
3086 | out_overflow: |
3087 | print_overflow_msg(__func__, xdr); | |
3088 | return -EIO; | |
1da177e4 LT |
3089 | } |
3090 | ||
3091 | static int decode_attr_supported(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *bitmask) | |
3092 | { | |
3093 | if (likely(bitmap[0] & FATTR4_WORD0_SUPPORTED_ATTRS)) { | |
3388bff5 RB |
3094 | int ret; |
3095 | ret = decode_attr_bitmap(xdr, bitmask); | |
3096 | if (unlikely(ret < 0)) | |
3097 | return ret; | |
1da177e4 LT |
3098 | bitmap[0] &= ~FATTR4_WORD0_SUPPORTED_ATTRS; |
3099 | } else | |
dae100c2 FI |
3100 | bitmask[0] = bitmask[1] = bitmask[2] = 0; |
3101 | dprintk("%s: bitmask=%08x:%08x:%08x\n", __func__, | |
3102 | bitmask[0], bitmask[1], bitmask[2]); | |
1da177e4 LT |
3103 | return 0; |
3104 | } | |
3105 | ||
3106 | static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *type) | |
3107 | { | |
8687b63a | 3108 | __be32 *p; |
409924e4 | 3109 | int ret = 0; |
1da177e4 LT |
3110 | |
3111 | *type = 0; | |
3112 | if (unlikely(bitmap[0] & (FATTR4_WORD0_TYPE - 1U))) | |
3113 | return -EIO; | |
3114 | if (likely(bitmap[0] & FATTR4_WORD0_TYPE)) { | |
c0eae66e BH |
3115 | p = xdr_inline_decode(xdr, 4); |
3116 | if (unlikely(!p)) | |
3117 | goto out_overflow; | |
cccddf4f | 3118 | *type = be32_to_cpup(p); |
1da177e4 | 3119 | if (*type < NF4REG || *type > NF4NAMEDATTR) { |
3110ff80 | 3120 | dprintk("%s: bad type %d\n", __func__, *type); |
1da177e4 LT |
3121 | return -EIO; |
3122 | } | |
3123 | bitmap[0] &= ~FATTR4_WORD0_TYPE; | |
409924e4 | 3124 | ret = NFS_ATTR_FATTR_TYPE; |
1da177e4 | 3125 | } |
bca79478 | 3126 | dprintk("%s: type=0%o\n", __func__, nfs_type2fmt[*type]); |
409924e4 | 3127 | return ret; |
c0eae66e BH |
3128 | out_overflow: |
3129 | print_overflow_msg(__func__, xdr); | |
3130 | return -EIO; | |
1da177e4 LT |
3131 | } |
3132 | ||
264e6351 CL |
3133 | static int decode_attr_fh_expire_type(struct xdr_stream *xdr, |
3134 | uint32_t *bitmap, uint32_t *type) | |
3135 | { | |
3136 | __be32 *p; | |
3137 | ||
3138 | *type = 0; | |
3139 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FH_EXPIRE_TYPE - 1U))) | |
3140 | return -EIO; | |
3141 | if (likely(bitmap[0] & FATTR4_WORD0_FH_EXPIRE_TYPE)) { | |
3142 | p = xdr_inline_decode(xdr, 4); | |
3143 | if (unlikely(!p)) | |
3144 | goto out_overflow; | |
3145 | *type = be32_to_cpup(p); | |
3146 | bitmap[0] &= ~FATTR4_WORD0_FH_EXPIRE_TYPE; | |
3147 | } | |
3148 | dprintk("%s: expire type=0x%x\n", __func__, *type); | |
3149 | return 0; | |
3150 | out_overflow: | |
3151 | print_overflow_msg(__func__, xdr); | |
3152 | return -EIO; | |
3153 | } | |
3154 | ||
1da177e4 LT |
3155 | static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *change) |
3156 | { | |
8687b63a | 3157 | __be32 *p; |
409924e4 | 3158 | int ret = 0; |
1da177e4 LT |
3159 | |
3160 | *change = 0; | |
3161 | if (unlikely(bitmap[0] & (FATTR4_WORD0_CHANGE - 1U))) | |
3162 | return -EIO; | |
3163 | if (likely(bitmap[0] & FATTR4_WORD0_CHANGE)) { | |
c0eae66e BH |
3164 | p = xdr_inline_decode(xdr, 8); |
3165 | if (unlikely(!p)) | |
3166 | goto out_overflow; | |
cccddf4f | 3167 | xdr_decode_hyper(p, change); |
1da177e4 | 3168 | bitmap[0] &= ~FATTR4_WORD0_CHANGE; |
409924e4 | 3169 | ret = NFS_ATTR_FATTR_CHANGE; |
1da177e4 | 3170 | } |
3110ff80 | 3171 | dprintk("%s: change attribute=%Lu\n", __func__, |
1da177e4 | 3172 | (unsigned long long)*change); |
409924e4 | 3173 | return ret; |
c0eae66e BH |
3174 | out_overflow: |
3175 | print_overflow_msg(__func__, xdr); | |
3176 | return -EIO; | |
1da177e4 LT |
3177 | } |
3178 | ||
3179 | static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *size) | |
3180 | { | |
8687b63a | 3181 | __be32 *p; |
409924e4 | 3182 | int ret = 0; |
1da177e4 LT |
3183 | |
3184 | *size = 0; | |
3185 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SIZE - 1U))) | |
3186 | return -EIO; | |
3187 | if (likely(bitmap[0] & FATTR4_WORD0_SIZE)) { | |
c0eae66e BH |
3188 | p = xdr_inline_decode(xdr, 8); |
3189 | if (unlikely(!p)) | |
3190 | goto out_overflow; | |
cccddf4f | 3191 | xdr_decode_hyper(p, size); |
1da177e4 | 3192 | bitmap[0] &= ~FATTR4_WORD0_SIZE; |
409924e4 | 3193 | ret = NFS_ATTR_FATTR_SIZE; |
1da177e4 | 3194 | } |
3110ff80 | 3195 | dprintk("%s: file size=%Lu\n", __func__, (unsigned long long)*size); |
409924e4 | 3196 | return ret; |
c0eae66e BH |
3197 | out_overflow: |
3198 | print_overflow_msg(__func__, xdr); | |
3199 | return -EIO; | |
1da177e4 LT |
3200 | } |
3201 | ||
3202 | static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3203 | { | |
8687b63a | 3204 | __be32 *p; |
1da177e4 LT |
3205 | |
3206 | *res = 0; | |
3207 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LINK_SUPPORT - 1U))) | |
3208 | return -EIO; | |
3209 | if (likely(bitmap[0] & FATTR4_WORD0_LINK_SUPPORT)) { | |
c0eae66e BH |
3210 | p = xdr_inline_decode(xdr, 4); |
3211 | if (unlikely(!p)) | |
3212 | goto out_overflow; | |
cccddf4f | 3213 | *res = be32_to_cpup(p); |
1da177e4 LT |
3214 | bitmap[0] &= ~FATTR4_WORD0_LINK_SUPPORT; |
3215 | } | |
3110ff80 | 3216 | dprintk("%s: link support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 | 3217 | return 0; |
c0eae66e BH |
3218 | out_overflow: |
3219 | print_overflow_msg(__func__, xdr); | |
3220 | return -EIO; | |
1da177e4 LT |
3221 | } |
3222 | ||
3223 | static int decode_attr_symlink_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3224 | { | |
8687b63a | 3225 | __be32 *p; |
1da177e4 LT |
3226 | |
3227 | *res = 0; | |
3228 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SYMLINK_SUPPORT - 1U))) | |
3229 | return -EIO; | |
3230 | if (likely(bitmap[0] & FATTR4_WORD0_SYMLINK_SUPPORT)) { | |
c0eae66e BH |
3231 | p = xdr_inline_decode(xdr, 4); |
3232 | if (unlikely(!p)) | |
3233 | goto out_overflow; | |
cccddf4f | 3234 | *res = be32_to_cpup(p); |
1da177e4 LT |
3235 | bitmap[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT; |
3236 | } | |
3110ff80 | 3237 | dprintk("%s: symlink support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 | 3238 | return 0; |
c0eae66e BH |
3239 | out_overflow: |
3240 | print_overflow_msg(__func__, xdr); | |
3241 | return -EIO; | |
1da177e4 LT |
3242 | } |
3243 | ||
8b4bdcf8 | 3244 | static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fsid *fsid) |
1da177e4 | 3245 | { |
8687b63a | 3246 | __be32 *p; |
409924e4 | 3247 | int ret = 0; |
1da177e4 LT |
3248 | |
3249 | fsid->major = 0; | |
3250 | fsid->minor = 0; | |
3251 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FSID - 1U))) | |
3252 | return -EIO; | |
3253 | if (likely(bitmap[0] & FATTR4_WORD0_FSID)) { | |
c0eae66e BH |
3254 | p = xdr_inline_decode(xdr, 16); |
3255 | if (unlikely(!p)) | |
3256 | goto out_overflow; | |
3ceb4dbb | 3257 | p = xdr_decode_hyper(p, &fsid->major); |
cccddf4f | 3258 | xdr_decode_hyper(p, &fsid->minor); |
1da177e4 | 3259 | bitmap[0] &= ~FATTR4_WORD0_FSID; |
409924e4 | 3260 | ret = NFS_ATTR_FATTR_FSID; |
1da177e4 | 3261 | } |
3110ff80 | 3262 | dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __func__, |
1da177e4 LT |
3263 | (unsigned long long)fsid->major, |
3264 | (unsigned long long)fsid->minor); | |
409924e4 | 3265 | return ret; |
c0eae66e BH |
3266 | out_overflow: |
3267 | print_overflow_msg(__func__, xdr); | |
3268 | return -EIO; | |
1da177e4 LT |
3269 | } |
3270 | ||
3271 | static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3272 | { | |
8687b63a | 3273 | __be32 *p; |
1da177e4 LT |
3274 | |
3275 | *res = 60; | |
3276 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LEASE_TIME - 1U))) | |
3277 | return -EIO; | |
3278 | if (likely(bitmap[0] & FATTR4_WORD0_LEASE_TIME)) { | |
c0eae66e BH |
3279 | p = xdr_inline_decode(xdr, 4); |
3280 | if (unlikely(!p)) | |
3281 | goto out_overflow; | |
cccddf4f | 3282 | *res = be32_to_cpup(p); |
1da177e4 LT |
3283 | bitmap[0] &= ~FATTR4_WORD0_LEASE_TIME; |
3284 | } | |
3110ff80 | 3285 | dprintk("%s: file size=%u\n", __func__, (unsigned int)*res); |
1da177e4 | 3286 | return 0; |
c0eae66e BH |
3287 | out_overflow: |
3288 | print_overflow_msg(__func__, xdr); | |
3289 | return -EIO; | |
1da177e4 LT |
3290 | } |
3291 | ||
ee7b75fc | 3292 | static int decode_attr_error(struct xdr_stream *xdr, uint32_t *bitmap, int32_t *res) |
ae42c70a BS |
3293 | { |
3294 | __be32 *p; | |
3295 | ||
3296 | if (unlikely(bitmap[0] & (FATTR4_WORD0_RDATTR_ERROR - 1U))) | |
3297 | return -EIO; | |
3298 | if (likely(bitmap[0] & FATTR4_WORD0_RDATTR_ERROR)) { | |
3299 | p = xdr_inline_decode(xdr, 4); | |
3300 | if (unlikely(!p)) | |
3301 | goto out_overflow; | |
3302 | bitmap[0] &= ~FATTR4_WORD0_RDATTR_ERROR; | |
ee7b75fc | 3303 | *res = -be32_to_cpup(p); |
ae42c70a BS |
3304 | } |
3305 | return 0; | |
3306 | out_overflow: | |
3307 | print_overflow_msg(__func__, xdr); | |
3308 | return -EIO; | |
3309 | } | |
3310 | ||
3311 | static int decode_attr_filehandle(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fh *fh) | |
3312 | { | |
3313 | __be32 *p; | |
3314 | int len; | |
3315 | ||
7ad07353 TM |
3316 | if (fh != NULL) |
3317 | memset(fh, 0, sizeof(*fh)); | |
ae42c70a BS |
3318 | |
3319 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEHANDLE - 1U))) | |
3320 | return -EIO; | |
3321 | if (likely(bitmap[0] & FATTR4_WORD0_FILEHANDLE)) { | |
3322 | p = xdr_inline_decode(xdr, 4); | |
3323 | if (unlikely(!p)) | |
3324 | goto out_overflow; | |
3325 | len = be32_to_cpup(p); | |
3326 | if (len > NFS4_FHSIZE) | |
3327 | return -EIO; | |
ae42c70a BS |
3328 | p = xdr_inline_decode(xdr, len); |
3329 | if (unlikely(!p)) | |
3330 | goto out_overflow; | |
7ad07353 TM |
3331 | if (fh != NULL) { |
3332 | memcpy(fh->data, p, len); | |
3333 | fh->size = len; | |
3334 | } | |
ae42c70a BS |
3335 | bitmap[0] &= ~FATTR4_WORD0_FILEHANDLE; |
3336 | } | |
3337 | return 0; | |
3338 | out_overflow: | |
3339 | print_overflow_msg(__func__, xdr); | |
3340 | return -EIO; | |
3341 | } | |
3342 | ||
1da177e4 LT |
3343 | static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) |
3344 | { | |
8687b63a | 3345 | __be32 *p; |
1da177e4 LT |
3346 | |
3347 | *res = ACL4_SUPPORT_ALLOW_ACL|ACL4_SUPPORT_DENY_ACL; | |
3348 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACLSUPPORT - 1U))) | |
3349 | return -EIO; | |
3350 | if (likely(bitmap[0] & FATTR4_WORD0_ACLSUPPORT)) { | |
c0eae66e BH |
3351 | p = xdr_inline_decode(xdr, 4); |
3352 | if (unlikely(!p)) | |
3353 | goto out_overflow; | |
cccddf4f | 3354 | *res = be32_to_cpup(p); |
1da177e4 LT |
3355 | bitmap[0] &= ~FATTR4_WORD0_ACLSUPPORT; |
3356 | } | |
3110ff80 | 3357 | dprintk("%s: ACLs supported=%u\n", __func__, (unsigned int)*res); |
1da177e4 | 3358 | return 0; |
c0eae66e BH |
3359 | out_overflow: |
3360 | print_overflow_msg(__func__, xdr); | |
3361 | return -EIO; | |
1da177e4 LT |
3362 | } |
3363 | ||
3364 | static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) | |
3365 | { | |
8687b63a | 3366 | __be32 *p; |
409924e4 | 3367 | int ret = 0; |
1da177e4 LT |
3368 | |
3369 | *fileid = 0; | |
3370 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEID - 1U))) | |
3371 | return -EIO; | |
3372 | if (likely(bitmap[0] & FATTR4_WORD0_FILEID)) { | |
c0eae66e BH |
3373 | p = xdr_inline_decode(xdr, 8); |
3374 | if (unlikely(!p)) | |
3375 | goto out_overflow; | |
cccddf4f | 3376 | xdr_decode_hyper(p, fileid); |
1da177e4 | 3377 | bitmap[0] &= ~FATTR4_WORD0_FILEID; |
409924e4 | 3378 | ret = NFS_ATTR_FATTR_FILEID; |
1da177e4 | 3379 | } |
3110ff80 | 3380 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
409924e4 | 3381 | return ret; |
c0eae66e BH |
3382 | out_overflow: |
3383 | print_overflow_msg(__func__, xdr); | |
3384 | return -EIO; | |
1da177e4 LT |
3385 | } |
3386 | ||
99baf625 MN |
3387 | static int decode_attr_mounted_on_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) |
3388 | { | |
8687b63a | 3389 | __be32 *p; |
409924e4 | 3390 | int ret = 0; |
99baf625 MN |
3391 | |
3392 | *fileid = 0; | |
3393 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MOUNTED_ON_FILEID - 1U))) | |
3394 | return -EIO; | |
3395 | if (likely(bitmap[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) { | |
c0eae66e BH |
3396 | p = xdr_inline_decode(xdr, 8); |
3397 | if (unlikely(!p)) | |
3398 | goto out_overflow; | |
cccddf4f | 3399 | xdr_decode_hyper(p, fileid); |
99baf625 | 3400 | bitmap[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID; |
28331a46 | 3401 | ret = NFS_ATTR_FATTR_MOUNTED_ON_FILEID; |
99baf625 | 3402 | } |
3110ff80 | 3403 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
409924e4 | 3404 | return ret; |
c0eae66e BH |
3405 | out_overflow: |
3406 | print_overflow_msg(__func__, xdr); | |
3407 | return -EIO; | |
99baf625 MN |
3408 | } |
3409 | ||
1da177e4 LT |
3410 | static int decode_attr_files_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
3411 | { | |
8687b63a | 3412 | __be32 *p; |
1da177e4 LT |
3413 | int status = 0; |
3414 | ||
3415 | *res = 0; | |
3416 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_AVAIL - 1U))) | |
3417 | return -EIO; | |
3418 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_AVAIL)) { | |
c0eae66e BH |
3419 | p = xdr_inline_decode(xdr, 8); |
3420 | if (unlikely(!p)) | |
3421 | goto out_overflow; | |
cccddf4f | 3422 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3423 | bitmap[0] &= ~FATTR4_WORD0_FILES_AVAIL; |
3424 | } | |
3110ff80 | 3425 | dprintk("%s: files avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3426 | return status; |
c0eae66e BH |
3427 | out_overflow: |
3428 | print_overflow_msg(__func__, xdr); | |
3429 | return -EIO; | |
1da177e4 LT |
3430 | } |
3431 | ||
3432 | static int decode_attr_files_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3433 | { | |
8687b63a | 3434 | __be32 *p; |
1da177e4 LT |
3435 | int status = 0; |
3436 | ||
3437 | *res = 0; | |
3438 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_FREE - 1U))) | |
3439 | return -EIO; | |
3440 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_FREE)) { | |
c0eae66e BH |
3441 | p = xdr_inline_decode(xdr, 8); |
3442 | if (unlikely(!p)) | |
3443 | goto out_overflow; | |
cccddf4f | 3444 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3445 | bitmap[0] &= ~FATTR4_WORD0_FILES_FREE; |
3446 | } | |
3110ff80 | 3447 | dprintk("%s: files free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3448 | return status; |
c0eae66e BH |
3449 | out_overflow: |
3450 | print_overflow_msg(__func__, xdr); | |
3451 | return -EIO; | |
1da177e4 LT |
3452 | } |
3453 | ||
3454 | static int decode_attr_files_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3455 | { | |
8687b63a | 3456 | __be32 *p; |
1da177e4 LT |
3457 | int status = 0; |
3458 | ||
3459 | *res = 0; | |
3460 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_TOTAL - 1U))) | |
3461 | return -EIO; | |
3462 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_TOTAL)) { | |
c0eae66e BH |
3463 | p = xdr_inline_decode(xdr, 8); |
3464 | if (unlikely(!p)) | |
3465 | goto out_overflow; | |
cccddf4f | 3466 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3467 | bitmap[0] &= ~FATTR4_WORD0_FILES_TOTAL; |
3468 | } | |
3110ff80 | 3469 | dprintk("%s: files total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3470 | return status; |
c0eae66e BH |
3471 | out_overflow: |
3472 | print_overflow_msg(__func__, xdr); | |
3473 | return -EIO; | |
1da177e4 LT |
3474 | } |
3475 | ||
7aaa0b3b MN |
3476 | static int decode_pathname(struct xdr_stream *xdr, struct nfs4_pathname *path) |
3477 | { | |
464ad6b1 | 3478 | u32 n; |
8687b63a | 3479 | __be32 *p; |
7aaa0b3b MN |
3480 | int status = 0; |
3481 | ||
c0eae66e BH |
3482 | p = xdr_inline_decode(xdr, 4); |
3483 | if (unlikely(!p)) | |
3484 | goto out_overflow; | |
cccddf4f | 3485 | n = be32_to_cpup(p); |
33a43f28 AA |
3486 | if (n == 0) |
3487 | goto root_path; | |
02a2976c | 3488 | dprintk("pathname4: "); |
809b426c TM |
3489 | if (n > NFS4_PATHNAME_MAXCOMPONENTS) { |
3490 | dprintk("cannot parse %d components in path\n", n); | |
3491 | goto out_eio; | |
3492 | } | |
3493 | for (path->ncomponents = 0; path->ncomponents < n; path->ncomponents++) { | |
7aaa0b3b MN |
3494 | struct nfs4_string *component = &path->components[path->ncomponents]; |
3495 | status = decode_opaque_inline(xdr, &component->len, &component->data); | |
3496 | if (unlikely(status != 0)) | |
3497 | goto out_eio; | |
95a13f7b | 3498 | ifdebug (XDR) |
02a2976c CL |
3499 | pr_cont("%s%.*s ", |
3500 | (path->ncomponents != n ? "/ " : ""), | |
3501 | component->len, component->data); | |
7aaa0b3b MN |
3502 | } |
3503 | out: | |
7aaa0b3b | 3504 | return status; |
33a43f28 AA |
3505 | root_path: |
3506 | /* a root pathname is sent as a zero component4 */ | |
3507 | path->ncomponents = 1; | |
3508 | path->components[0].len=0; | |
3509 | path->components[0].data=NULL; | |
02a2976c | 3510 | dprintk("pathname4: /\n"); |
33a43f28 | 3511 | goto out; |
7aaa0b3b MN |
3512 | out_eio: |
3513 | dprintk(" status %d", status); | |
3514 | status = -EIO; | |
3515 | goto out; | |
c0eae66e BH |
3516 | out_overflow: |
3517 | print_overflow_msg(__func__, xdr); | |
3518 | return -EIO; | |
7aaa0b3b MN |
3519 | } |
3520 | ||
3521 | static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_fs_locations *res) | |
683b57b4 TM |
3522 | { |
3523 | int n; | |
8687b63a | 3524 | __be32 *p; |
683b57b4 TM |
3525 | int status = -EIO; |
3526 | ||
3527 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FS_LOCATIONS -1U))) | |
3528 | goto out; | |
3529 | status = 0; | |
3530 | if (unlikely(!(bitmap[0] & FATTR4_WORD0_FS_LOCATIONS))) | |
3531 | goto out; | |
8b7e3f49 TM |
3532 | status = -EIO; |
3533 | /* Ignore borken servers that return unrequested attrs */ | |
3534 | if (unlikely(res == NULL)) | |
3535 | goto out; | |
02a2976c | 3536 | dprintk("%s: fsroot:\n", __func__); |
7aaa0b3b | 3537 | status = decode_pathname(xdr, &res->fs_path); |
683b57b4 TM |
3538 | if (unlikely(status != 0)) |
3539 | goto out; | |
c0eae66e BH |
3540 | p = xdr_inline_decode(xdr, 4); |
3541 | if (unlikely(!p)) | |
3542 | goto out_overflow; | |
cccddf4f | 3543 | n = be32_to_cpup(p); |
683b57b4 TM |
3544 | if (n <= 0) |
3545 | goto out_eio; | |
809b426c | 3546 | for (res->nlocations = 0; res->nlocations < n; res->nlocations++) { |
464ad6b1 | 3547 | u32 m; |
809b426c | 3548 | struct nfs4_fs_location *loc; |
683b57b4 | 3549 | |
809b426c TM |
3550 | if (res->nlocations == NFS4_FS_LOCATIONS_MAXENTRIES) |
3551 | break; | |
3552 | loc = &res->locations[res->nlocations]; | |
c0eae66e BH |
3553 | p = xdr_inline_decode(xdr, 4); |
3554 | if (unlikely(!p)) | |
3555 | goto out_overflow; | |
cccddf4f | 3556 | m = be32_to_cpup(p); |
7aaa0b3b | 3557 | |
02a2976c | 3558 | dprintk("%s: servers:\n", __func__); |
809b426c TM |
3559 | for (loc->nservers = 0; loc->nservers < m; loc->nservers++) { |
3560 | struct nfs4_string *server; | |
3561 | ||
3562 | if (loc->nservers == NFS4_FS_LOCATION_MAXSERVERS) { | |
464ad6b1 CL |
3563 | unsigned int i; |
3564 | dprintk("%s: using first %u of %u servers " | |
3565 | "returned for location %u\n", | |
3110ff80 | 3566 | __func__, |
464ad6b1 CL |
3567 | NFS4_FS_LOCATION_MAXSERVERS, |
3568 | m, res->nlocations); | |
7aaa0b3b | 3569 | for (i = loc->nservers; i < m; i++) { |
2e42c3e2 | 3570 | unsigned int len; |
7aaa0b3b MN |
3571 | char *data; |
3572 | status = decode_opaque_inline(xdr, &len, &data); | |
3573 | if (unlikely(status != 0)) | |
3574 | goto out_eio; | |
3575 | } | |
809b426c | 3576 | break; |
7aaa0b3b | 3577 | } |
809b426c TM |
3578 | server = &loc->servers[loc->nservers]; |
3579 | status = decode_opaque_inline(xdr, &server->len, &server->data); | |
3580 | if (unlikely(status != 0)) | |
3581 | goto out_eio; | |
3582 | dprintk("%s ", server->data); | |
7aaa0b3b MN |
3583 | } |
3584 | status = decode_pathname(xdr, &loc->rootpath); | |
683b57b4 TM |
3585 | if (unlikely(status != 0)) |
3586 | goto out_eio; | |
683b57b4 | 3587 | } |
409924e4 | 3588 | if (res->nlocations != 0) |
81934ddb | 3589 | status = NFS_ATTR_FATTR_V4_LOCATIONS; |
683b57b4 | 3590 | out: |
3110ff80 | 3591 | dprintk("%s: fs_locations done, error = %d\n", __func__, status); |
683b57b4 | 3592 | return status; |
c0eae66e BH |
3593 | out_overflow: |
3594 | print_overflow_msg(__func__, xdr); | |
683b57b4 TM |
3595 | out_eio: |
3596 | status = -EIO; | |
3597 | goto out; | |
3598 | } | |
3599 | ||
1da177e4 LT |
3600 | static int decode_attr_maxfilesize(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
3601 | { | |
8687b63a | 3602 | __be32 *p; |
1da177e4 LT |
3603 | int status = 0; |
3604 | ||
3605 | *res = 0; | |
3606 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXFILESIZE - 1U))) | |
3607 | return -EIO; | |
3608 | if (likely(bitmap[0] & FATTR4_WORD0_MAXFILESIZE)) { | |
c0eae66e BH |
3609 | p = xdr_inline_decode(xdr, 8); |
3610 | if (unlikely(!p)) | |
3611 | goto out_overflow; | |
cccddf4f | 3612 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3613 | bitmap[0] &= ~FATTR4_WORD0_MAXFILESIZE; |
3614 | } | |
3110ff80 | 3615 | dprintk("%s: maxfilesize=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3616 | return status; |
c0eae66e BH |
3617 | out_overflow: |
3618 | print_overflow_msg(__func__, xdr); | |
3619 | return -EIO; | |
1da177e4 LT |
3620 | } |
3621 | ||
3622 | static int decode_attr_maxlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxlink) | |
3623 | { | |
8687b63a | 3624 | __be32 *p; |
1da177e4 LT |
3625 | int status = 0; |
3626 | ||
3627 | *maxlink = 1; | |
3628 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXLINK - 1U))) | |
3629 | return -EIO; | |
3630 | if (likely(bitmap[0] & FATTR4_WORD0_MAXLINK)) { | |
c0eae66e BH |
3631 | p = xdr_inline_decode(xdr, 4); |
3632 | if (unlikely(!p)) | |
3633 | goto out_overflow; | |
cccddf4f | 3634 | *maxlink = be32_to_cpup(p); |
1da177e4 LT |
3635 | bitmap[0] &= ~FATTR4_WORD0_MAXLINK; |
3636 | } | |
3110ff80 | 3637 | dprintk("%s: maxlink=%u\n", __func__, *maxlink); |
1da177e4 | 3638 | return status; |
c0eae66e BH |
3639 | out_overflow: |
3640 | print_overflow_msg(__func__, xdr); | |
3641 | return -EIO; | |
1da177e4 LT |
3642 | } |
3643 | ||
3644 | static int decode_attr_maxname(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxname) | |
3645 | { | |
8687b63a | 3646 | __be32 *p; |
1da177e4 LT |
3647 | int status = 0; |
3648 | ||
3649 | *maxname = 1024; | |
3650 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXNAME - 1U))) | |
3651 | return -EIO; | |
3652 | if (likely(bitmap[0] & FATTR4_WORD0_MAXNAME)) { | |
c0eae66e BH |
3653 | p = xdr_inline_decode(xdr, 4); |
3654 | if (unlikely(!p)) | |
3655 | goto out_overflow; | |
cccddf4f | 3656 | *maxname = be32_to_cpup(p); |
1da177e4 LT |
3657 | bitmap[0] &= ~FATTR4_WORD0_MAXNAME; |
3658 | } | |
3110ff80 | 3659 | dprintk("%s: maxname=%u\n", __func__, *maxname); |
1da177e4 | 3660 | return status; |
c0eae66e BH |
3661 | out_overflow: |
3662 | print_overflow_msg(__func__, xdr); | |
3663 | return -EIO; | |
1da177e4 LT |
3664 | } |
3665 | ||
3666 | static int decode_attr_maxread(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3667 | { | |
8687b63a | 3668 | __be32 *p; |
1da177e4 LT |
3669 | int status = 0; |
3670 | ||
3671 | *res = 1024; | |
3672 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXREAD - 1U))) | |
3673 | return -EIO; | |
3674 | if (likely(bitmap[0] & FATTR4_WORD0_MAXREAD)) { | |
3675 | uint64_t maxread; | |
c0eae66e BH |
3676 | p = xdr_inline_decode(xdr, 8); |
3677 | if (unlikely(!p)) | |
3678 | goto out_overflow; | |
cccddf4f | 3679 | xdr_decode_hyper(p, &maxread); |
1da177e4 LT |
3680 | if (maxread > 0x7FFFFFFF) |
3681 | maxread = 0x7FFFFFFF; | |
3682 | *res = (uint32_t)maxread; | |
3683 | bitmap[0] &= ~FATTR4_WORD0_MAXREAD; | |
3684 | } | |
3110ff80 | 3685 | dprintk("%s: maxread=%lu\n", __func__, (unsigned long)*res); |
1da177e4 | 3686 | return status; |
c0eae66e BH |
3687 | out_overflow: |
3688 | print_overflow_msg(__func__, xdr); | |
3689 | return -EIO; | |
1da177e4 LT |
3690 | } |
3691 | ||
3692 | static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3693 | { | |
8687b63a | 3694 | __be32 *p; |
1da177e4 LT |
3695 | int status = 0; |
3696 | ||
3697 | *res = 1024; | |
3698 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXWRITE - 1U))) | |
3699 | return -EIO; | |
3700 | if (likely(bitmap[0] & FATTR4_WORD0_MAXWRITE)) { | |
3701 | uint64_t maxwrite; | |
c0eae66e BH |
3702 | p = xdr_inline_decode(xdr, 8); |
3703 | if (unlikely(!p)) | |
3704 | goto out_overflow; | |
cccddf4f | 3705 | xdr_decode_hyper(p, &maxwrite); |
1da177e4 LT |
3706 | if (maxwrite > 0x7FFFFFFF) |
3707 | maxwrite = 0x7FFFFFFF; | |
3708 | *res = (uint32_t)maxwrite; | |
3709 | bitmap[0] &= ~FATTR4_WORD0_MAXWRITE; | |
3710 | } | |
3110ff80 | 3711 | dprintk("%s: maxwrite=%lu\n", __func__, (unsigned long)*res); |
1da177e4 | 3712 | return status; |
c0eae66e BH |
3713 | out_overflow: |
3714 | print_overflow_msg(__func__, xdr); | |
3715 | return -EIO; | |
1da177e4 LT |
3716 | } |
3717 | ||
bca79478 | 3718 | static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, umode_t *mode) |
1da177e4 | 3719 | { |
bca79478 | 3720 | uint32_t tmp; |
8687b63a | 3721 | __be32 *p; |
409924e4 | 3722 | int ret = 0; |
1da177e4 LT |
3723 | |
3724 | *mode = 0; | |
3725 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MODE - 1U))) | |
3726 | return -EIO; | |
3727 | if (likely(bitmap[1] & FATTR4_WORD1_MODE)) { | |
c0eae66e BH |
3728 | p = xdr_inline_decode(xdr, 4); |
3729 | if (unlikely(!p)) | |
3730 | goto out_overflow; | |
cccddf4f | 3731 | tmp = be32_to_cpup(p); |
bca79478 | 3732 | *mode = tmp & ~S_IFMT; |
1da177e4 | 3733 | bitmap[1] &= ~FATTR4_WORD1_MODE; |
409924e4 | 3734 | ret = NFS_ATTR_FATTR_MODE; |
1da177e4 | 3735 | } |
3110ff80 | 3736 | dprintk("%s: file mode=0%o\n", __func__, (unsigned int)*mode); |
409924e4 | 3737 | return ret; |
c0eae66e BH |
3738 | out_overflow: |
3739 | print_overflow_msg(__func__, xdr); | |
3740 | return -EIO; | |
1da177e4 LT |
3741 | } |
3742 | ||
3743 | static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *nlink) | |
3744 | { | |
8687b63a | 3745 | __be32 *p; |
409924e4 | 3746 | int ret = 0; |
1da177e4 LT |
3747 | |
3748 | *nlink = 1; | |
3749 | if (unlikely(bitmap[1] & (FATTR4_WORD1_NUMLINKS - 1U))) | |
3750 | return -EIO; | |
3751 | if (likely(bitmap[1] & FATTR4_WORD1_NUMLINKS)) { | |
c0eae66e BH |
3752 | p = xdr_inline_decode(xdr, 4); |
3753 | if (unlikely(!p)) | |
3754 | goto out_overflow; | |
cccddf4f | 3755 | *nlink = be32_to_cpup(p); |
1da177e4 | 3756 | bitmap[1] &= ~FATTR4_WORD1_NUMLINKS; |
409924e4 | 3757 | ret = NFS_ATTR_FATTR_NLINK; |
1da177e4 | 3758 | } |
3110ff80 | 3759 | dprintk("%s: nlink=%u\n", __func__, (unsigned int)*nlink); |
409924e4 | 3760 | return ret; |
c0eae66e BH |
3761 | out_overflow: |
3762 | print_overflow_msg(__func__, xdr); | |
3763 | return -EIO; | |
1da177e4 LT |
3764 | } |
3765 | ||
80e52ace | 3766 | static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, |
e5782076 | 3767 | const struct nfs_server *server, kuid_t *uid, |
6926afd1 | 3768 | struct nfs4_string *owner_name) |
1da177e4 | 3769 | { |
8687b63a AV |
3770 | uint32_t len; |
3771 | __be32 *p; | |
409924e4 | 3772 | int ret = 0; |
1da177e4 | 3773 | |
e5782076 | 3774 | *uid = make_kuid(&init_user_ns, -2); |
1da177e4 LT |
3775 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER - 1U))) |
3776 | return -EIO; | |
3777 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER)) { | |
c0eae66e BH |
3778 | p = xdr_inline_decode(xdr, 4); |
3779 | if (unlikely(!p)) | |
3780 | goto out_overflow; | |
cccddf4f | 3781 | len = be32_to_cpup(p); |
c0eae66e BH |
3782 | p = xdr_inline_decode(xdr, len); |
3783 | if (unlikely(!p)) | |
3784 | goto out_overflow; | |
6926afd1 TM |
3785 | if (owner_name != NULL) { |
3786 | owner_name->data = kmemdup(p, len, GFP_NOWAIT); | |
3787 | if (owner_name->data != NULL) { | |
3788 | owner_name->len = len; | |
3789 | ret = NFS_ATTR_FATTR_OWNER_NAME; | |
3790 | } | |
80e52ace | 3791 | } else if (len < XDR_MAX_NETOBJ) { |
e4fd72a1 | 3792 | if (nfs_map_name_to_uid(server, (char *)p, len, uid) == 0) |
409924e4 TM |
3793 | ret = NFS_ATTR_FATTR_OWNER; |
3794 | else | |
1da177e4 | 3795 | dprintk("%s: nfs_map_name_to_uid failed!\n", |
3110ff80 | 3796 | __func__); |
1da177e4 | 3797 | } else |
fe82a183 | 3798 | dprintk("%s: name too long (%u)!\n", |
3110ff80 | 3799 | __func__, len); |
1da177e4 LT |
3800 | bitmap[1] &= ~FATTR4_WORD1_OWNER; |
3801 | } | |
e5782076 | 3802 | dprintk("%s: uid=%d\n", __func__, (int)from_kuid(&init_user_ns, *uid)); |
409924e4 | 3803 | return ret; |
c0eae66e BH |
3804 | out_overflow: |
3805 | print_overflow_msg(__func__, xdr); | |
3806 | return -EIO; | |
1da177e4 LT |
3807 | } |
3808 | ||
80e52ace | 3809 | static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, |
e5782076 | 3810 | const struct nfs_server *server, kgid_t *gid, |
6926afd1 | 3811 | struct nfs4_string *group_name) |
1da177e4 | 3812 | { |
8687b63a AV |
3813 | uint32_t len; |
3814 | __be32 *p; | |
409924e4 | 3815 | int ret = 0; |
1da177e4 | 3816 | |
e5782076 | 3817 | *gid = make_kgid(&init_user_ns, -2); |
1da177e4 LT |
3818 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER_GROUP - 1U))) |
3819 | return -EIO; | |
3820 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER_GROUP)) { | |
c0eae66e BH |
3821 | p = xdr_inline_decode(xdr, 4); |
3822 | if (unlikely(!p)) | |
3823 | goto out_overflow; | |
cccddf4f | 3824 | len = be32_to_cpup(p); |
c0eae66e BH |
3825 | p = xdr_inline_decode(xdr, len); |
3826 | if (unlikely(!p)) | |
3827 | goto out_overflow; | |
6926afd1 TM |
3828 | if (group_name != NULL) { |
3829 | group_name->data = kmemdup(p, len, GFP_NOWAIT); | |
3830 | if (group_name->data != NULL) { | |
3831 | group_name->len = len; | |
3832 | ret = NFS_ATTR_FATTR_GROUP_NAME; | |
3833 | } | |
80e52ace | 3834 | } else if (len < XDR_MAX_NETOBJ) { |
e4fd72a1 | 3835 | if (nfs_map_group_to_gid(server, (char *)p, len, gid) == 0) |
409924e4 TM |
3836 | ret = NFS_ATTR_FATTR_GROUP; |
3837 | else | |
1da177e4 | 3838 | dprintk("%s: nfs_map_group_to_gid failed!\n", |
3110ff80 | 3839 | __func__); |
1da177e4 | 3840 | } else |
fe82a183 | 3841 | dprintk("%s: name too long (%u)!\n", |
3110ff80 | 3842 | __func__, len); |
1da177e4 LT |
3843 | bitmap[1] &= ~FATTR4_WORD1_OWNER_GROUP; |
3844 | } | |
e5782076 | 3845 | dprintk("%s: gid=%d\n", __func__, (int)from_kgid(&init_user_ns, *gid)); |
409924e4 | 3846 | return ret; |
c0eae66e BH |
3847 | out_overflow: |
3848 | print_overflow_msg(__func__, xdr); | |
3849 | return -EIO; | |
1da177e4 LT |
3850 | } |
3851 | ||
3852 | static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rdev) | |
3853 | { | |
8687b63a AV |
3854 | uint32_t major = 0, minor = 0; |
3855 | __be32 *p; | |
409924e4 | 3856 | int ret = 0; |
1da177e4 LT |
3857 | |
3858 | *rdev = MKDEV(0,0); | |
3859 | if (unlikely(bitmap[1] & (FATTR4_WORD1_RAWDEV - 1U))) | |
3860 | return -EIO; | |
3861 | if (likely(bitmap[1] & FATTR4_WORD1_RAWDEV)) { | |
3862 | dev_t tmp; | |
3863 | ||
c0eae66e BH |
3864 | p = xdr_inline_decode(xdr, 8); |
3865 | if (unlikely(!p)) | |
3866 | goto out_overflow; | |
6f723f77 | 3867 | major = be32_to_cpup(p++); |
cccddf4f | 3868 | minor = be32_to_cpup(p); |
1da177e4 LT |
3869 | tmp = MKDEV(major, minor); |
3870 | if (MAJOR(tmp) == major && MINOR(tmp) == minor) | |
3871 | *rdev = tmp; | |
3872 | bitmap[1] &= ~ FATTR4_WORD1_RAWDEV; | |
409924e4 | 3873 | ret = NFS_ATTR_FATTR_RDEV; |
1da177e4 | 3874 | } |
3110ff80 | 3875 | dprintk("%s: rdev=(0x%x:0x%x)\n", __func__, major, minor); |
409924e4 | 3876 | return ret; |
c0eae66e BH |
3877 | out_overflow: |
3878 | print_overflow_msg(__func__, xdr); | |
3879 | return -EIO; | |
1da177e4 LT |
3880 | } |
3881 | ||
3882 | static int decode_attr_space_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3883 | { | |
8687b63a | 3884 | __be32 *p; |
1da177e4 LT |
3885 | int status = 0; |
3886 | ||
3887 | *res = 0; | |
3888 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_AVAIL - 1U))) | |
3889 | return -EIO; | |
3890 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_AVAIL)) { | |
c0eae66e BH |
3891 | p = xdr_inline_decode(xdr, 8); |
3892 | if (unlikely(!p)) | |
3893 | goto out_overflow; | |
cccddf4f | 3894 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3895 | bitmap[1] &= ~FATTR4_WORD1_SPACE_AVAIL; |
3896 | } | |
3110ff80 | 3897 | dprintk("%s: space avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3898 | return status; |
c0eae66e BH |
3899 | out_overflow: |
3900 | print_overflow_msg(__func__, xdr); | |
3901 | return -EIO; | |
1da177e4 LT |
3902 | } |
3903 | ||
3904 | static int decode_attr_space_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3905 | { | |
8687b63a | 3906 | __be32 *p; |
1da177e4 LT |
3907 | int status = 0; |
3908 | ||
3909 | *res = 0; | |
3910 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_FREE - 1U))) | |
3911 | return -EIO; | |
3912 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_FREE)) { | |
c0eae66e BH |
3913 | p = xdr_inline_decode(xdr, 8); |
3914 | if (unlikely(!p)) | |
3915 | goto out_overflow; | |
cccddf4f | 3916 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3917 | bitmap[1] &= ~FATTR4_WORD1_SPACE_FREE; |
3918 | } | |
3110ff80 | 3919 | dprintk("%s: space free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3920 | return status; |
c0eae66e BH |
3921 | out_overflow: |
3922 | print_overflow_msg(__func__, xdr); | |
3923 | return -EIO; | |
1da177e4 LT |
3924 | } |
3925 | ||
3926 | static int decode_attr_space_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3927 | { | |
8687b63a | 3928 | __be32 *p; |
1da177e4 LT |
3929 | int status = 0; |
3930 | ||
3931 | *res = 0; | |
3932 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_TOTAL - 1U))) | |
3933 | return -EIO; | |
3934 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_TOTAL)) { | |
c0eae66e BH |
3935 | p = xdr_inline_decode(xdr, 8); |
3936 | if (unlikely(!p)) | |
3937 | goto out_overflow; | |
cccddf4f | 3938 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3939 | bitmap[1] &= ~FATTR4_WORD1_SPACE_TOTAL; |
3940 | } | |
3110ff80 | 3941 | dprintk("%s: space total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3942 | return status; |
c0eae66e BH |
3943 | out_overflow: |
3944 | print_overflow_msg(__func__, xdr); | |
3945 | return -EIO; | |
1da177e4 LT |
3946 | } |
3947 | ||
3948 | static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *used) | |
3949 | { | |
8687b63a | 3950 | __be32 *p; |
409924e4 | 3951 | int ret = 0; |
1da177e4 LT |
3952 | |
3953 | *used = 0; | |
3954 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_USED - 1U))) | |
3955 | return -EIO; | |
3956 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_USED)) { | |
c0eae66e BH |
3957 | p = xdr_inline_decode(xdr, 8); |
3958 | if (unlikely(!p)) | |
3959 | goto out_overflow; | |
cccddf4f | 3960 | xdr_decode_hyper(p, used); |
1da177e4 | 3961 | bitmap[1] &= ~FATTR4_WORD1_SPACE_USED; |
409924e4 | 3962 | ret = NFS_ATTR_FATTR_SPACE_USED; |
1da177e4 | 3963 | } |
3110ff80 | 3964 | dprintk("%s: space used=%Lu\n", __func__, |
1da177e4 | 3965 | (unsigned long long)*used); |
409924e4 | 3966 | return ret; |
c0eae66e BH |
3967 | out_overflow: |
3968 | print_overflow_msg(__func__, xdr); | |
3969 | return -EIO; | |
1da177e4 LT |
3970 | } |
3971 | ||
3972 | static int decode_attr_time(struct xdr_stream *xdr, struct timespec *time) | |
3973 | { | |
8687b63a | 3974 | __be32 *p; |
1da177e4 LT |
3975 | uint64_t sec; |
3976 | uint32_t nsec; | |
3977 | ||
c0eae66e BH |
3978 | p = xdr_inline_decode(xdr, 12); |
3979 | if (unlikely(!p)) | |
3980 | goto out_overflow; | |
3ceb4dbb | 3981 | p = xdr_decode_hyper(p, &sec); |
cccddf4f | 3982 | nsec = be32_to_cpup(p); |
1da177e4 LT |
3983 | time->tv_sec = (time_t)sec; |
3984 | time->tv_nsec = (long)nsec; | |
3985 | return 0; | |
c0eae66e BH |
3986 | out_overflow: |
3987 | print_overflow_msg(__func__, xdr); | |
3988 | return -EIO; | |
1da177e4 LT |
3989 | } |
3990 | ||
3991 | static int decode_attr_time_access(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
3992 | { | |
3993 | int status = 0; | |
3994 | ||
3995 | time->tv_sec = 0; | |
3996 | time->tv_nsec = 0; | |
3997 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_ACCESS - 1U))) | |
3998 | return -EIO; | |
3999 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_ACCESS)) { | |
4000 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4001 | if (status == 0) |
4002 | status = NFS_ATTR_FATTR_ATIME; | |
1da177e4 LT |
4003 | bitmap[1] &= ~FATTR4_WORD1_TIME_ACCESS; |
4004 | } | |
3110ff80 | 4005 | dprintk("%s: atime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
4006 | return status; |
4007 | } | |
4008 | ||
4009 | static int decode_attr_time_metadata(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
4010 | { | |
4011 | int status = 0; | |
4012 | ||
4013 | time->tv_sec = 0; | |
4014 | time->tv_nsec = 0; | |
4015 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_METADATA - 1U))) | |
4016 | return -EIO; | |
4017 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_METADATA)) { | |
4018 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4019 | if (status == 0) |
4020 | status = NFS_ATTR_FATTR_CTIME; | |
1da177e4 LT |
4021 | bitmap[1] &= ~FATTR4_WORD1_TIME_METADATA; |
4022 | } | |
3110ff80 | 4023 | dprintk("%s: ctime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
4024 | return status; |
4025 | } | |
4026 | ||
55b6e774 RL |
4027 | static int decode_attr_time_delta(struct xdr_stream *xdr, uint32_t *bitmap, |
4028 | struct timespec *time) | |
4029 | { | |
4030 | int status = 0; | |
4031 | ||
4032 | time->tv_sec = 0; | |
4033 | time->tv_nsec = 0; | |
4034 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_DELTA - 1U))) | |
4035 | return -EIO; | |
4036 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_DELTA)) { | |
4037 | status = decode_attr_time(xdr, time); | |
4038 | bitmap[1] &= ~FATTR4_WORD1_TIME_DELTA; | |
4039 | } | |
4040 | dprintk("%s: time_delta=%ld %ld\n", __func__, (long)time->tv_sec, | |
4041 | (long)time->tv_nsec); | |
4042 | return status; | |
4043 | } | |
4044 | ||
1da177e4 LT |
4045 | static int decode_attr_time_modify(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) |
4046 | { | |
4047 | int status = 0; | |
4048 | ||
4049 | time->tv_sec = 0; | |
4050 | time->tv_nsec = 0; | |
4051 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_MODIFY - 1U))) | |
4052 | return -EIO; | |
4053 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_MODIFY)) { | |
4054 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4055 | if (status == 0) |
4056 | status = NFS_ATTR_FATTR_MTIME; | |
1da177e4 LT |
4057 | bitmap[1] &= ~FATTR4_WORD1_TIME_MODIFY; |
4058 | } | |
3110ff80 | 4059 | dprintk("%s: mtime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
4060 | return status; |
4061 | } | |
4062 | ||
256e48bb | 4063 | static int verify_attr_len(struct xdr_stream *xdr, unsigned int savep, uint32_t attrlen) |
1da177e4 LT |
4064 | { |
4065 | unsigned int attrwords = XDR_QUADLEN(attrlen); | |
256e48bb | 4066 | unsigned int nwords = (xdr_stream_pos(xdr) - savep) >> 2; |
1da177e4 LT |
4067 | |
4068 | if (unlikely(attrwords != nwords)) { | |
fe82a183 CL |
4069 | dprintk("%s: server returned incorrect attribute length: " |
4070 | "%u %c %u\n", | |
3110ff80 | 4071 | __func__, |
1da177e4 LT |
4072 | attrwords << 2, |
4073 | (attrwords < nwords) ? '<' : '>', | |
4074 | nwords << 2); | |
4075 | return -EIO; | |
4076 | } | |
4077 | return 0; | |
4078 | } | |
4079 | ||
4080 | static int decode_change_info(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4081 | { | |
8687b63a | 4082 | __be32 *p; |
1da177e4 | 4083 | |
c0eae66e BH |
4084 | p = xdr_inline_decode(xdr, 20); |
4085 | if (unlikely(!p)) | |
4086 | goto out_overflow; | |
6f723f77 | 4087 | cinfo->atomic = be32_to_cpup(p++); |
3ceb4dbb | 4088 | p = xdr_decode_hyper(p, &cinfo->before); |
cccddf4f | 4089 | xdr_decode_hyper(p, &cinfo->after); |
1da177e4 | 4090 | return 0; |
c0eae66e BH |
4091 | out_overflow: |
4092 | print_overflow_msg(__func__, xdr); | |
4093 | return -EIO; | |
1da177e4 LT |
4094 | } |
4095 | ||
6168f62c | 4096 | static int decode_access(struct xdr_stream *xdr, u32 *supported, u32 *access) |
1da177e4 | 4097 | { |
8687b63a | 4098 | __be32 *p; |
1da177e4 LT |
4099 | uint32_t supp, acc; |
4100 | int status; | |
4101 | ||
4102 | status = decode_op_hdr(xdr, OP_ACCESS); | |
4103 | if (status) | |
4104 | return status; | |
c0eae66e BH |
4105 | p = xdr_inline_decode(xdr, 8); |
4106 | if (unlikely(!p)) | |
4107 | goto out_overflow; | |
6f723f77 | 4108 | supp = be32_to_cpup(p++); |
cccddf4f | 4109 | acc = be32_to_cpup(p); |
6168f62c WAA |
4110 | *supported = supp; |
4111 | *access = acc; | |
1da177e4 | 4112 | return 0; |
c0eae66e BH |
4113 | out_overflow: |
4114 | print_overflow_msg(__func__, xdr); | |
4115 | return -EIO; | |
1da177e4 LT |
4116 | } |
4117 | ||
07d30434 | 4118 | static int decode_opaque_fixed(struct xdr_stream *xdr, void *buf, size_t len) |
1da177e4 | 4119 | { |
8687b63a | 4120 | __be32 *p; |
07d30434 BH |
4121 | |
4122 | p = xdr_inline_decode(xdr, len); | |
4123 | if (likely(p)) { | |
4124 | memcpy(buf, p, len); | |
4125 | return 0; | |
4126 | } | |
4127 | print_overflow_msg(__func__, xdr); | |
4128 | return -EIO; | |
4129 | } | |
4130 | ||
4131 | static int decode_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) | |
4132 | { | |
2d2f24ad | 4133 | return decode_opaque_fixed(xdr, stateid, NFS4_STATEID_SIZE); |
07d30434 BH |
4134 | } |
4135 | ||
4136 | static int decode_close(struct xdr_stream *xdr, struct nfs_closeres *res) | |
4137 | { | |
1da177e4 LT |
4138 | int status; |
4139 | ||
4140 | status = decode_op_hdr(xdr, OP_CLOSE); | |
c1d51931 TM |
4141 | if (status != -EIO) |
4142 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4143 | if (!status) |
4144 | status = decode_stateid(xdr, &res->stateid); | |
4145 | return status; | |
1da177e4 LT |
4146 | } |
4147 | ||
db942bbd BH |
4148 | static int decode_verifier(struct xdr_stream *xdr, void *verifier) |
4149 | { | |
cd93710e | 4150 | return decode_opaque_fixed(xdr, verifier, NFS4_VERIFIER_SIZE); |
1da177e4 LT |
4151 | } |
4152 | ||
2f2c63bc TM |
4153 | static int decode_write_verifier(struct xdr_stream *xdr, struct nfs_write_verifier *verifier) |
4154 | { | |
4155 | return decode_opaque_fixed(xdr, verifier->data, NFS4_VERIFIER_SIZE); | |
4156 | } | |
4157 | ||
0b7c0153 | 4158 | static int decode_commit(struct xdr_stream *xdr, struct nfs_commitres *res) |
1da177e4 | 4159 | { |
1da177e4 LT |
4160 | int status; |
4161 | ||
4162 | status = decode_op_hdr(xdr, OP_COMMIT); | |
db942bbd | 4163 | if (!status) |
2f2c63bc | 4164 | status = decode_write_verifier(xdr, &res->verf->verifier); |
db942bbd | 4165 | return status; |
1da177e4 LT |
4166 | } |
4167 | ||
4168 | static int decode_create(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4169 | { | |
8687b63a | 4170 | __be32 *p; |
1da177e4 LT |
4171 | uint32_t bmlen; |
4172 | int status; | |
4173 | ||
4174 | status = decode_op_hdr(xdr, OP_CREATE); | |
4175 | if (status) | |
4176 | return status; | |
4177 | if ((status = decode_change_info(xdr, cinfo))) | |
4178 | return status; | |
c0eae66e BH |
4179 | p = xdr_inline_decode(xdr, 4); |
4180 | if (unlikely(!p)) | |
4181 | goto out_overflow; | |
cccddf4f | 4182 | bmlen = be32_to_cpup(p); |
c0eae66e BH |
4183 | p = xdr_inline_decode(xdr, bmlen << 2); |
4184 | if (likely(p)) | |
4185 | return 0; | |
4186 | out_overflow: | |
4187 | print_overflow_msg(__func__, xdr); | |
4188 | return -EIO; | |
1da177e4 LT |
4189 | } |
4190 | ||
4191 | static int decode_server_caps(struct xdr_stream *xdr, struct nfs4_server_caps_res *res) | |
4192 | { | |
256e48bb | 4193 | unsigned int savep; |
dae100c2 | 4194 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 LT |
4195 | int status; |
4196 | ||
4197 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
4198 | goto xdr_error; | |
4199 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4200 | goto xdr_error; | |
4201 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4202 | goto xdr_error; | |
4203 | if ((status = decode_attr_supported(xdr, bitmap, res->attr_bitmask)) != 0) | |
4204 | goto xdr_error; | |
264e6351 CL |
4205 | if ((status = decode_attr_fh_expire_type(xdr, bitmap, |
4206 | &res->fh_expire_type)) != 0) | |
4207 | goto xdr_error; | |
1da177e4 LT |
4208 | if ((status = decode_attr_link_support(xdr, bitmap, &res->has_links)) != 0) |
4209 | goto xdr_error; | |
4210 | if ((status = decode_attr_symlink_support(xdr, bitmap, &res->has_symlinks)) != 0) | |
4211 | goto xdr_error; | |
4212 | if ((status = decode_attr_aclsupport(xdr, bitmap, &res->acl_bitmask)) != 0) | |
4213 | goto xdr_error; | |
4214 | status = verify_attr_len(xdr, savep, attrlen); | |
4215 | xdr_error: | |
3110ff80 | 4216 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4217 | return status; |
4218 | } | |
6c0195a4 | 4219 | |
1da177e4 LT |
4220 | static int decode_statfs(struct xdr_stream *xdr, struct nfs_fsstat *fsstat) |
4221 | { | |
256e48bb | 4222 | unsigned int savep; |
dae100c2 | 4223 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 | 4224 | int status; |
6c0195a4 | 4225 | |
1da177e4 LT |
4226 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
4227 | goto xdr_error; | |
4228 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4229 | goto xdr_error; | |
4230 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4231 | goto xdr_error; | |
4232 | ||
4233 | if ((status = decode_attr_files_avail(xdr, bitmap, &fsstat->afiles)) != 0) | |
4234 | goto xdr_error; | |
4235 | if ((status = decode_attr_files_free(xdr, bitmap, &fsstat->ffiles)) != 0) | |
4236 | goto xdr_error; | |
4237 | if ((status = decode_attr_files_total(xdr, bitmap, &fsstat->tfiles)) != 0) | |
4238 | goto xdr_error; | |
4239 | if ((status = decode_attr_space_avail(xdr, bitmap, &fsstat->abytes)) != 0) | |
4240 | goto xdr_error; | |
4241 | if ((status = decode_attr_space_free(xdr, bitmap, &fsstat->fbytes)) != 0) | |
4242 | goto xdr_error; | |
4243 | if ((status = decode_attr_space_total(xdr, bitmap, &fsstat->tbytes)) != 0) | |
4244 | goto xdr_error; | |
4245 | ||
4246 | status = verify_attr_len(xdr, savep, attrlen); | |
4247 | xdr_error: | |
3110ff80 | 4248 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4249 | return status; |
4250 | } | |
4251 | ||
4252 | static int decode_pathconf(struct xdr_stream *xdr, struct nfs_pathconf *pathconf) | |
4253 | { | |
256e48bb | 4254 | unsigned int savep; |
dae100c2 | 4255 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 | 4256 | int status; |
6c0195a4 | 4257 | |
1da177e4 LT |
4258 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
4259 | goto xdr_error; | |
4260 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4261 | goto xdr_error; | |
4262 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4263 | goto xdr_error; | |
4264 | ||
4265 | if ((status = decode_attr_maxlink(xdr, bitmap, &pathconf->max_link)) != 0) | |
4266 | goto xdr_error; | |
4267 | if ((status = decode_attr_maxname(xdr, bitmap, &pathconf->max_namelen)) != 0) | |
4268 | goto xdr_error; | |
4269 | ||
4270 | status = verify_attr_len(xdr, savep, attrlen); | |
4271 | xdr_error: | |
3110ff80 | 4272 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4273 | return status; |
4274 | } | |
4275 | ||
88034c3d AA |
4276 | static int decode_threshold_hint(struct xdr_stream *xdr, |
4277 | uint32_t *bitmap, | |
4278 | uint64_t *res, | |
4279 | uint32_t hint_bit) | |
4280 | { | |
4281 | __be32 *p; | |
4282 | ||
4283 | *res = 0; | |
4284 | if (likely(bitmap[0] & hint_bit)) { | |
4285 | p = xdr_inline_decode(xdr, 8); | |
4286 | if (unlikely(!p)) | |
4287 | goto out_overflow; | |
4288 | xdr_decode_hyper(p, res); | |
4289 | } | |
4290 | return 0; | |
4291 | out_overflow: | |
4292 | print_overflow_msg(__func__, xdr); | |
4293 | return -EIO; | |
4294 | } | |
4295 | ||
4296 | static int decode_first_threshold_item4(struct xdr_stream *xdr, | |
4297 | struct nfs4_threshold *res) | |
4298 | { | |
256e48bb TM |
4299 | __be32 *p; |
4300 | unsigned int savep; | |
88034c3d AA |
4301 | uint32_t bitmap[3] = {0,}, attrlen; |
4302 | int status; | |
4303 | ||
4304 | /* layout type */ | |
4305 | p = xdr_inline_decode(xdr, 4); | |
4306 | if (unlikely(!p)) { | |
4307 | print_overflow_msg(__func__, xdr); | |
4308 | return -EIO; | |
4309 | } | |
4310 | res->l_type = be32_to_cpup(p); | |
4311 | ||
4312 | /* thi_hintset bitmap */ | |
4313 | status = decode_attr_bitmap(xdr, bitmap); | |
4314 | if (status < 0) | |
4315 | goto xdr_error; | |
4316 | ||
4317 | /* thi_hintlist length */ | |
4318 | status = decode_attr_length(xdr, &attrlen, &savep); | |
4319 | if (status < 0) | |
4320 | goto xdr_error; | |
4321 | /* thi_hintlist */ | |
4322 | status = decode_threshold_hint(xdr, bitmap, &res->rd_sz, THRESHOLD_RD); | |
4323 | if (status < 0) | |
4324 | goto xdr_error; | |
4325 | status = decode_threshold_hint(xdr, bitmap, &res->wr_sz, THRESHOLD_WR); | |
4326 | if (status < 0) | |
4327 | goto xdr_error; | |
4328 | status = decode_threshold_hint(xdr, bitmap, &res->rd_io_sz, | |
4329 | THRESHOLD_RD_IO); | |
4330 | if (status < 0) | |
4331 | goto xdr_error; | |
4332 | status = decode_threshold_hint(xdr, bitmap, &res->wr_io_sz, | |
4333 | THRESHOLD_WR_IO); | |
4334 | if (status < 0) | |
4335 | goto xdr_error; | |
4336 | ||
4337 | status = verify_attr_len(xdr, savep, attrlen); | |
4338 | res->bm = bitmap[0]; | |
4339 | ||
4340 | dprintk("%s bm=0x%x rd_sz=%llu wr_sz=%llu rd_io=%llu wr_io=%llu\n", | |
4341 | __func__, res->bm, res->rd_sz, res->wr_sz, res->rd_io_sz, | |
4342 | res->wr_io_sz); | |
4343 | xdr_error: | |
4344 | dprintk("%s ret=%d!\n", __func__, status); | |
4345 | return status; | |
4346 | } | |
4347 | ||
4348 | /* | |
4349 | * Thresholds on pNFS direct I/O vrs MDS I/O | |
4350 | */ | |
4351 | static int decode_attr_mdsthreshold(struct xdr_stream *xdr, | |
4352 | uint32_t *bitmap, | |
4353 | struct nfs4_threshold *res) | |
4354 | { | |
4355 | __be32 *p; | |
4356 | int status = 0; | |
4357 | uint32_t num; | |
4358 | ||
4359 | if (unlikely(bitmap[2] & (FATTR4_WORD2_MDSTHRESHOLD - 1U))) | |
4360 | return -EIO; | |
029c5347 | 4361 | if (bitmap[2] & FATTR4_WORD2_MDSTHRESHOLD) { |
1549210f TM |
4362 | /* Did the server return an unrequested attribute? */ |
4363 | if (unlikely(res == NULL)) | |
4364 | return -EREMOTEIO; | |
88034c3d AA |
4365 | p = xdr_inline_decode(xdr, 4); |
4366 | if (unlikely(!p)) | |
4367 | goto out_overflow; | |
4368 | num = be32_to_cpup(p); | |
4369 | if (num == 0) | |
4370 | return 0; | |
4371 | if (num > 1) | |
4372 | printk(KERN_INFO "%s: Warning: Multiple pNFS layout " | |
4373 | "drivers per filesystem not supported\n", | |
4374 | __func__); | |
4375 | ||
4376 | status = decode_first_threshold_item4(xdr, res); | |
029c5347 | 4377 | bitmap[2] &= ~FATTR4_WORD2_MDSTHRESHOLD; |
88034c3d AA |
4378 | } |
4379 | return status; | |
4380 | out_overflow: | |
4381 | print_overflow_msg(__func__, xdr); | |
4382 | return -EIO; | |
4383 | } | |
4384 | ||
ae42c70a BS |
4385 | static int decode_getfattr_attrs(struct xdr_stream *xdr, uint32_t *bitmap, |
4386 | struct nfs_fattr *fattr, struct nfs_fh *fh, | |
8b7e3f49 | 4387 | struct nfs4_fs_locations *fs_loc, |
6926afd1 | 4388 | const struct nfs_server *server) |
1da177e4 | 4389 | { |
bca79478 TM |
4390 | int status; |
4391 | umode_t fmode = 0; | |
ae42c70a | 4392 | uint32_t type; |
ee7b75fc | 4393 | int32_t err; |
1da177e4 | 4394 | |
f26c7a78 TM |
4395 | status = decode_attr_type(xdr, bitmap, &type); |
4396 | if (status < 0) | |
1da177e4 | 4397 | goto xdr_error; |
409924e4 TM |
4398 | fattr->mode = 0; |
4399 | if (status != 0) { | |
4400 | fattr->mode |= nfs_type2fmt[type]; | |
4401 | fattr->valid |= status; | |
4402 | } | |
1da177e4 | 4403 | |
f26c7a78 TM |
4404 | status = decode_attr_change(xdr, bitmap, &fattr->change_attr); |
4405 | if (status < 0) | |
1da177e4 | 4406 | goto xdr_error; |
409924e4 | 4407 | fattr->valid |= status; |
f26c7a78 TM |
4408 | |
4409 | status = decode_attr_size(xdr, bitmap, &fattr->size); | |
4410 | if (status < 0) | |
1da177e4 | 4411 | goto xdr_error; |
409924e4 | 4412 | fattr->valid |= status; |
f26c7a78 TM |
4413 | |
4414 | status = decode_attr_fsid(xdr, bitmap, &fattr->fsid); | |
4415 | if (status < 0) | |
1da177e4 | 4416 | goto xdr_error; |
409924e4 | 4417 | fattr->valid |= status; |
f26c7a78 | 4418 | |
ee7b75fc TM |
4419 | err = 0; |
4420 | status = decode_attr_error(xdr, bitmap, &err); | |
ae42c70a BS |
4421 | if (status < 0) |
4422 | goto xdr_error; | |
4423 | ||
4424 | status = decode_attr_filehandle(xdr, bitmap, fh); | |
4425 | if (status < 0) | |
4426 | goto xdr_error; | |
4427 | ||
f26c7a78 TM |
4428 | status = decode_attr_fileid(xdr, bitmap, &fattr->fileid); |
4429 | if (status < 0) | |
1da177e4 | 4430 | goto xdr_error; |
409924e4 | 4431 | fattr->valid |= status; |
f26c7a78 | 4432 | |
8b7e3f49 | 4433 | status = decode_attr_fs_locations(xdr, bitmap, fs_loc); |
f26c7a78 | 4434 | if (status < 0) |
683b57b4 | 4435 | goto xdr_error; |
409924e4 | 4436 | fattr->valid |= status; |
f26c7a78 TM |
4437 | |
4438 | status = decode_attr_mode(xdr, bitmap, &fmode); | |
4439 | if (status < 0) | |
1da177e4 | 4440 | goto xdr_error; |
409924e4 TM |
4441 | if (status != 0) { |
4442 | fattr->mode |= fmode; | |
4443 | fattr->valid |= status; | |
4444 | } | |
f26c7a78 TM |
4445 | |
4446 | status = decode_attr_nlink(xdr, bitmap, &fattr->nlink); | |
4447 | if (status < 0) | |
1da177e4 | 4448 | goto xdr_error; |
409924e4 | 4449 | fattr->valid |= status; |
f26c7a78 | 4450 | |
6926afd1 | 4451 | status = decode_attr_owner(xdr, bitmap, server, &fattr->uid, fattr->owner_name); |
f26c7a78 | 4452 | if (status < 0) |
1da177e4 | 4453 | goto xdr_error; |
409924e4 | 4454 | fattr->valid |= status; |
f26c7a78 | 4455 | |
6926afd1 | 4456 | status = decode_attr_group(xdr, bitmap, server, &fattr->gid, fattr->group_name); |
f26c7a78 | 4457 | if (status < 0) |
1da177e4 | 4458 | goto xdr_error; |
409924e4 | 4459 | fattr->valid |= status; |
f26c7a78 TM |
4460 | |
4461 | status = decode_attr_rdev(xdr, bitmap, &fattr->rdev); | |
4462 | if (status < 0) | |
1da177e4 | 4463 | goto xdr_error; |
409924e4 | 4464 | fattr->valid |= status; |
f26c7a78 TM |
4465 | |
4466 | status = decode_attr_space_used(xdr, bitmap, &fattr->du.nfs3.used); | |
4467 | if (status < 0) | |
1da177e4 | 4468 | goto xdr_error; |
409924e4 | 4469 | fattr->valid |= status; |
f26c7a78 TM |
4470 | |
4471 | status = decode_attr_time_access(xdr, bitmap, &fattr->atime); | |
4472 | if (status < 0) | |
1da177e4 | 4473 | goto xdr_error; |
409924e4 | 4474 | fattr->valid |= status; |
f26c7a78 TM |
4475 | |
4476 | status = decode_attr_time_metadata(xdr, bitmap, &fattr->ctime); | |
4477 | if (status < 0) | |
1da177e4 | 4478 | goto xdr_error; |
409924e4 | 4479 | fattr->valid |= status; |
f26c7a78 TM |
4480 | |
4481 | status = decode_attr_time_modify(xdr, bitmap, &fattr->mtime); | |
4482 | if (status < 0) | |
1da177e4 | 4483 | goto xdr_error; |
409924e4 | 4484 | fattr->valid |= status; |
f26c7a78 | 4485 | |
28331a46 | 4486 | status = decode_attr_mounted_on_fileid(xdr, bitmap, &fattr->mounted_on_fileid); |
f26c7a78 | 4487 | if (status < 0) |
99baf625 | 4488 | goto xdr_error; |
28331a46 | 4489 | fattr->valid |= status; |
f26c7a78 | 4490 | |
88034c3d AA |
4491 | status = decode_attr_mdsthreshold(xdr, bitmap, fattr->mdsthreshold); |
4492 | if (status < 0) | |
4493 | goto xdr_error; | |
4494 | ||
ae42c70a BS |
4495 | xdr_error: |
4496 | dprintk("%s: xdr returned %d\n", __func__, -status); | |
4497 | return status; | |
4498 | } | |
4499 | ||
4500 | static int decode_getfattr_generic(struct xdr_stream *xdr, struct nfs_fattr *fattr, | |
8b7e3f49 TM |
4501 | struct nfs_fh *fh, struct nfs4_fs_locations *fs_loc, |
4502 | const struct nfs_server *server) | |
ae42c70a | 4503 | { |
256e48bb | 4504 | unsigned int savep; |
ae42c70a | 4505 | uint32_t attrlen, |
dae100c2 | 4506 | bitmap[3] = {0}; |
ae42c70a BS |
4507 | int status; |
4508 | ||
4509 | status = decode_op_hdr(xdr, OP_GETATTR); | |
4510 | if (status < 0) | |
4511 | goto xdr_error; | |
4512 | ||
4513 | status = decode_attr_bitmap(xdr, bitmap); | |
4514 | if (status < 0) | |
4515 | goto xdr_error; | |
4516 | ||
4517 | status = decode_attr_length(xdr, &attrlen, &savep); | |
4518 | if (status < 0) | |
4519 | goto xdr_error; | |
4520 | ||
8b7e3f49 | 4521 | status = decode_getfattr_attrs(xdr, bitmap, fattr, fh, fs_loc, server); |
ae42c70a BS |
4522 | if (status < 0) |
4523 | goto xdr_error; | |
4524 | ||
f26c7a78 | 4525 | status = verify_attr_len(xdr, savep, attrlen); |
1da177e4 | 4526 | xdr_error: |
3110ff80 | 4527 | dprintk("%s: xdr returned %d\n", __func__, -status); |
1da177e4 LT |
4528 | return status; |
4529 | } | |
4530 | ||
ae42c70a | 4531 | static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr, |
6926afd1 | 4532 | const struct nfs_server *server) |
ae42c70a | 4533 | { |
8b7e3f49 | 4534 | return decode_getfattr_generic(xdr, fattr, NULL, NULL, server); |
ae42c70a | 4535 | } |
1da177e4 | 4536 | |
504913fb AA |
4537 | /* |
4538 | * Decode potentially multiple layout types. Currently we only support | |
4539 | * one layout driver per file system. | |
4540 | */ | |
4541 | static int decode_first_pnfs_layout_type(struct xdr_stream *xdr, | |
4542 | uint32_t *layouttype) | |
4543 | { | |
4544 | uint32_t *p; | |
4545 | int num; | |
4546 | ||
4547 | p = xdr_inline_decode(xdr, 4); | |
4548 | if (unlikely(!p)) | |
4549 | goto out_overflow; | |
4550 | num = be32_to_cpup(p); | |
4551 | ||
4552 | /* pNFS is not supported by the underlying file system */ | |
4553 | if (num == 0) { | |
4554 | *layouttype = 0; | |
4555 | return 0; | |
4556 | } | |
4557 | if (num > 1) | |
a030889a WAA |
4558 | printk(KERN_INFO "NFS: %s: Warning: Multiple pNFS layout " |
4559 | "drivers per filesystem not supported\n", __func__); | |
504913fb AA |
4560 | |
4561 | /* Decode and set first layout type, move xdr->p past unused types */ | |
4562 | p = xdr_inline_decode(xdr, num * 4); | |
4563 | if (unlikely(!p)) | |
4564 | goto out_overflow; | |
4565 | *layouttype = be32_to_cpup(p); | |
4566 | return 0; | |
4567 | out_overflow: | |
4568 | print_overflow_msg(__func__, xdr); | |
4569 | return -EIO; | |
4570 | } | |
4571 | ||
4572 | /* | |
4573 | * The type of file system exported. | |
4574 | * Note we must ensure that layouttype is set in any non-error case. | |
4575 | */ | |
4576 | static int decode_attr_pnfstype(struct xdr_stream *xdr, uint32_t *bitmap, | |
4577 | uint32_t *layouttype) | |
4578 | { | |
4579 | int status = 0; | |
4580 | ||
4581 | dprintk("%s: bitmap is %x\n", __func__, bitmap[1]); | |
4582 | if (unlikely(bitmap[1] & (FATTR4_WORD1_FS_LAYOUT_TYPES - 1U))) | |
4583 | return -EIO; | |
4584 | if (bitmap[1] & FATTR4_WORD1_FS_LAYOUT_TYPES) { | |
4585 | status = decode_first_pnfs_layout_type(xdr, layouttype); | |
4586 | bitmap[1] &= ~FATTR4_WORD1_FS_LAYOUT_TYPES; | |
4587 | } else | |
4588 | *layouttype = 0; | |
4589 | return status; | |
4590 | } | |
4591 | ||
dae100c2 FI |
4592 | /* |
4593 | * The prefered block size for layout directed io | |
4594 | */ | |
4595 | static int decode_attr_layout_blksize(struct xdr_stream *xdr, uint32_t *bitmap, | |
4596 | uint32_t *res) | |
4597 | { | |
4598 | __be32 *p; | |
4599 | ||
4600 | dprintk("%s: bitmap is %x\n", __func__, bitmap[2]); | |
4601 | *res = 0; | |
4602 | if (bitmap[2] & FATTR4_WORD2_LAYOUT_BLKSIZE) { | |
4603 | p = xdr_inline_decode(xdr, 4); | |
4604 | if (unlikely(!p)) { | |
4605 | print_overflow_msg(__func__, xdr); | |
4606 | return -EIO; | |
4607 | } | |
4608 | *res = be32_to_cpup(p); | |
4609 | bitmap[2] &= ~FATTR4_WORD2_LAYOUT_BLKSIZE; | |
4610 | } | |
4611 | return 0; | |
4612 | } | |
4613 | ||
1da177e4 LT |
4614 | static int decode_fsinfo(struct xdr_stream *xdr, struct nfs_fsinfo *fsinfo) |
4615 | { | |
256e48bb | 4616 | unsigned int savep; |
dae100c2 | 4617 | uint32_t attrlen, bitmap[3]; |
1da177e4 LT |
4618 | int status; |
4619 | ||
4620 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
4621 | goto xdr_error; | |
4622 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4623 | goto xdr_error; | |
4624 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4625 | goto xdr_error; | |
4626 | ||
4627 | fsinfo->rtmult = fsinfo->wtmult = 512; /* ??? */ | |
4628 | ||
4629 | if ((status = decode_attr_lease_time(xdr, bitmap, &fsinfo->lease_time)) != 0) | |
4630 | goto xdr_error; | |
4631 | if ((status = decode_attr_maxfilesize(xdr, bitmap, &fsinfo->maxfilesize)) != 0) | |
4632 | goto xdr_error; | |
4633 | if ((status = decode_attr_maxread(xdr, bitmap, &fsinfo->rtmax)) != 0) | |
4634 | goto xdr_error; | |
4635 | fsinfo->rtpref = fsinfo->dtpref = fsinfo->rtmax; | |
4636 | if ((status = decode_attr_maxwrite(xdr, bitmap, &fsinfo->wtmax)) != 0) | |
4637 | goto xdr_error; | |
4638 | fsinfo->wtpref = fsinfo->wtmax; | |
55b6e774 | 4639 | status = decode_attr_time_delta(xdr, bitmap, &fsinfo->time_delta); |
504913fb AA |
4640 | if (status != 0) |
4641 | goto xdr_error; | |
4642 | status = decode_attr_pnfstype(xdr, bitmap, &fsinfo->layouttype); | |
55b6e774 RL |
4643 | if (status != 0) |
4644 | goto xdr_error; | |
dae100c2 FI |
4645 | status = decode_attr_layout_blksize(xdr, bitmap, &fsinfo->blksize); |
4646 | if (status) | |
4647 | goto xdr_error; | |
1da177e4 LT |
4648 | |
4649 | status = verify_attr_len(xdr, savep, attrlen); | |
4650 | xdr_error: | |
3110ff80 | 4651 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4652 | return status; |
4653 | } | |
4654 | ||
4655 | static int decode_getfh(struct xdr_stream *xdr, struct nfs_fh *fh) | |
4656 | { | |
8687b63a | 4657 | __be32 *p; |
1da177e4 LT |
4658 | uint32_t len; |
4659 | int status; | |
4660 | ||
9936781d TM |
4661 | /* Zero handle first to allow comparisons */ |
4662 | memset(fh, 0, sizeof(*fh)); | |
4663 | ||
1da177e4 LT |
4664 | status = decode_op_hdr(xdr, OP_GETFH); |
4665 | if (status) | |
4666 | return status; | |
1da177e4 | 4667 | |
c0eae66e BH |
4668 | p = xdr_inline_decode(xdr, 4); |
4669 | if (unlikely(!p)) | |
4670 | goto out_overflow; | |
cccddf4f | 4671 | len = be32_to_cpup(p); |
1da177e4 LT |
4672 | if (len > NFS4_FHSIZE) |
4673 | return -EIO; | |
4674 | fh->size = len; | |
c0eae66e BH |
4675 | p = xdr_inline_decode(xdr, len); |
4676 | if (unlikely(!p)) | |
4677 | goto out_overflow; | |
99398d06 | 4678 | memcpy(fh->data, p, len); |
1da177e4 | 4679 | return 0; |
c0eae66e BH |
4680 | out_overflow: |
4681 | print_overflow_msg(__func__, xdr); | |
4682 | return -EIO; | |
1da177e4 LT |
4683 | } |
4684 | ||
4685 | static int decode_link(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4686 | { | |
4687 | int status; | |
6c0195a4 | 4688 | |
1da177e4 LT |
4689 | status = decode_op_hdr(xdr, OP_LINK); |
4690 | if (status) | |
4691 | return status; | |
4692 | return decode_change_info(xdr, cinfo); | |
4693 | } | |
4694 | ||
4695 | /* | |
4696 | * We create the owner, so we know a proper owner.id length is 4. | |
4697 | */ | |
911d1aaf | 4698 | static int decode_lock_denied (struct xdr_stream *xdr, struct file_lock *fl) |
1da177e4 | 4699 | { |
911d1aaf | 4700 | uint64_t offset, length, clientid; |
8687b63a | 4701 | __be32 *p; |
911d1aaf | 4702 | uint32_t namelen, type; |
1da177e4 | 4703 | |
babddc72 | 4704 | p = xdr_inline_decode(xdr, 32); /* read 32 bytes */ |
c0eae66e BH |
4705 | if (unlikely(!p)) |
4706 | goto out_overflow; | |
babddc72 | 4707 | p = xdr_decode_hyper(p, &offset); /* read 2 8-byte long words */ |
3ceb4dbb | 4708 | p = xdr_decode_hyper(p, &length); |
babddc72 BS |
4709 | type = be32_to_cpup(p++); /* 4 byte read */ |
4710 | if (fl != NULL) { /* manipulate file lock */ | |
911d1aaf TM |
4711 | fl->fl_start = (loff_t)offset; |
4712 | fl->fl_end = fl->fl_start + (loff_t)length - 1; | |
4713 | if (length == ~(uint64_t)0) | |
4714 | fl->fl_end = OFFSET_MAX; | |
4715 | fl->fl_type = F_WRLCK; | |
4716 | if (type & 1) | |
4717 | fl->fl_type = F_RDLCK; | |
4718 | fl->fl_pid = 0; | |
4719 | } | |
babddc72 BS |
4720 | p = xdr_decode_hyper(p, &clientid); /* read 8 bytes */ |
4721 | namelen = be32_to_cpup(p); /* read 4 bytes */ /* have read all 32 bytes now */ | |
4722 | p = xdr_inline_decode(xdr, namelen); /* variable size field */ | |
c0eae66e BH |
4723 | if (likely(p)) |
4724 | return -NFS4ERR_DENIED; | |
4725 | out_overflow: | |
4726 | print_overflow_msg(__func__, xdr); | |
4727 | return -EIO; | |
1da177e4 LT |
4728 | } |
4729 | ||
911d1aaf | 4730 | static int decode_lock(struct xdr_stream *xdr, struct nfs_lock_res *res) |
1da177e4 | 4731 | { |
1da177e4 LT |
4732 | int status; |
4733 | ||
4734 | status = decode_op_hdr(xdr, OP_LOCK); | |
c1d51931 TM |
4735 | if (status == -EIO) |
4736 | goto out; | |
1da177e4 | 4737 | if (status == 0) { |
07d30434 BH |
4738 | status = decode_stateid(xdr, &res->stateid); |
4739 | if (unlikely(status)) | |
4740 | goto out; | |
1da177e4 | 4741 | } else if (status == -NFS4ERR_DENIED) |
c1d51931 TM |
4742 | status = decode_lock_denied(xdr, NULL); |
4743 | if (res->open_seqid != NULL) | |
4744 | nfs_increment_open_seqid(status, res->open_seqid); | |
4745 | nfs_increment_lock_seqid(status, res->lock_seqid); | |
4746 | out: | |
1da177e4 LT |
4747 | return status; |
4748 | } | |
4749 | ||
911d1aaf | 4750 | static int decode_lockt(struct xdr_stream *xdr, struct nfs_lockt_res *res) |
1da177e4 LT |
4751 | { |
4752 | int status; | |
4753 | status = decode_op_hdr(xdr, OP_LOCKT); | |
4754 | if (status == -NFS4ERR_DENIED) | |
911d1aaf | 4755 | return decode_lock_denied(xdr, res->denied); |
1da177e4 LT |
4756 | return status; |
4757 | } | |
4758 | ||
911d1aaf | 4759 | static int decode_locku(struct xdr_stream *xdr, struct nfs_locku_res *res) |
1da177e4 | 4760 | { |
1da177e4 LT |
4761 | int status; |
4762 | ||
4763 | status = decode_op_hdr(xdr, OP_LOCKU); | |
c1d51931 TM |
4764 | if (status != -EIO) |
4765 | nfs_increment_lock_seqid(status, res->seqid); | |
07d30434 BH |
4766 | if (status == 0) |
4767 | status = decode_stateid(xdr, &res->stateid); | |
1da177e4 LT |
4768 | return status; |
4769 | } | |
4770 | ||
d3c7b7cc TM |
4771 | static int decode_release_lockowner(struct xdr_stream *xdr) |
4772 | { | |
4773 | return decode_op_hdr(xdr, OP_RELEASE_LOCKOWNER); | |
4774 | } | |
4775 | ||
1da177e4 LT |
4776 | static int decode_lookup(struct xdr_stream *xdr) |
4777 | { | |
4778 | return decode_op_hdr(xdr, OP_LOOKUP); | |
4779 | } | |
4780 | ||
4781 | /* This is too sick! */ | |
4782 | static int decode_space_limit(struct xdr_stream *xdr, u64 *maxsize) | |
4783 | { | |
05d564fe | 4784 | __be32 *p; |
1da177e4 LT |
4785 | uint32_t limit_type, nblocks, blocksize; |
4786 | ||
c0eae66e BH |
4787 | p = xdr_inline_decode(xdr, 12); |
4788 | if (unlikely(!p)) | |
4789 | goto out_overflow; | |
6f723f77 | 4790 | limit_type = be32_to_cpup(p++); |
1da177e4 | 4791 | switch (limit_type) { |
05d564fe | 4792 | case 1: |
cccddf4f | 4793 | xdr_decode_hyper(p, maxsize); |
05d564fe AA |
4794 | break; |
4795 | case 2: | |
6f723f77 | 4796 | nblocks = be32_to_cpup(p++); |
cccddf4f | 4797 | blocksize = be32_to_cpup(p); |
05d564fe | 4798 | *maxsize = (uint64_t)nblocks * (uint64_t)blocksize; |
1da177e4 LT |
4799 | } |
4800 | return 0; | |
c0eae66e BH |
4801 | out_overflow: |
4802 | print_overflow_msg(__func__, xdr); | |
4803 | return -EIO; | |
1da177e4 LT |
4804 | } |
4805 | ||
4806 | static int decode_delegation(struct xdr_stream *xdr, struct nfs_openres *res) | |
4807 | { | |
05d564fe AA |
4808 | __be32 *p; |
4809 | uint32_t delegation_type; | |
07d30434 | 4810 | int status; |
1da177e4 | 4811 | |
c0eae66e BH |
4812 | p = xdr_inline_decode(xdr, 4); |
4813 | if (unlikely(!p)) | |
4814 | goto out_overflow; | |
cccddf4f | 4815 | delegation_type = be32_to_cpup(p); |
1da177e4 LT |
4816 | if (delegation_type == NFS4_OPEN_DELEGATE_NONE) { |
4817 | res->delegation_type = 0; | |
4818 | return 0; | |
4819 | } | |
07d30434 BH |
4820 | status = decode_stateid(xdr, &res->delegation); |
4821 | if (unlikely(status)) | |
4822 | return status; | |
c0eae66e BH |
4823 | p = xdr_inline_decode(xdr, 4); |
4824 | if (unlikely(!p)) | |
4825 | goto out_overflow; | |
cccddf4f | 4826 | res->do_recall = be32_to_cpup(p); |
05d564fe | 4827 | |
1da177e4 | 4828 | switch (delegation_type) { |
05d564fe AA |
4829 | case NFS4_OPEN_DELEGATE_READ: |
4830 | res->delegation_type = FMODE_READ; | |
4831 | break; | |
4832 | case NFS4_OPEN_DELEGATE_WRITE: | |
4833 | res->delegation_type = FMODE_WRITE|FMODE_READ; | |
4834 | if (decode_space_limit(xdr, &res->maxsize) < 0) | |
1da177e4 LT |
4835 | return -EIO; |
4836 | } | |
7539bbab | 4837 | return decode_ace(xdr, NULL, res->server->nfs_client); |
c0eae66e BH |
4838 | out_overflow: |
4839 | print_overflow_msg(__func__, xdr); | |
4840 | return -EIO; | |
1da177e4 LT |
4841 | } |
4842 | ||
4843 | static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res) | |
4844 | { | |
05d564fe | 4845 | __be32 *p; |
aa53ed54 | 4846 | uint32_t savewords, bmlen, i; |
05d564fe | 4847 | int status; |
1da177e4 | 4848 | |
05d564fe | 4849 | status = decode_op_hdr(xdr, OP_OPEN); |
c1d51931 TM |
4850 | if (status != -EIO) |
4851 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4852 | if (!status) |
4853 | status = decode_stateid(xdr, &res->stateid); | |
4854 | if (unlikely(status)) | |
05d564fe | 4855 | return status; |
1da177e4 | 4856 | |
05d564fe | 4857 | decode_change_info(xdr, &res->cinfo); |
1da177e4 | 4858 | |
c0eae66e BH |
4859 | p = xdr_inline_decode(xdr, 8); |
4860 | if (unlikely(!p)) | |
4861 | goto out_overflow; | |
6f723f77 | 4862 | res->rflags = be32_to_cpup(p++); |
cccddf4f | 4863 | bmlen = be32_to_cpup(p); |
05d564fe AA |
4864 | if (bmlen > 10) |
4865 | goto xdr_error; | |
1da177e4 | 4866 | |
c0eae66e BH |
4867 | p = xdr_inline_decode(xdr, bmlen << 2); |
4868 | if (unlikely(!p)) | |
4869 | goto out_overflow; | |
aa53ed54 JL |
4870 | savewords = min_t(uint32_t, bmlen, NFS4_BITMAP_SIZE); |
4871 | for (i = 0; i < savewords; ++i) | |
6f723f77 | 4872 | res->attrset[i] = be32_to_cpup(p++); |
aa53ed54 JL |
4873 | for (; i < NFS4_BITMAP_SIZE; i++) |
4874 | res->attrset[i] = 0; | |
4875 | ||
1da177e4 LT |
4876 | return decode_delegation(xdr, res); |
4877 | xdr_error: | |
3110ff80 | 4878 | dprintk("%s: Bitmap too large! Length = %u\n", __func__, bmlen); |
1da177e4 | 4879 | return -EIO; |
c0eae66e BH |
4880 | out_overflow: |
4881 | print_overflow_msg(__func__, xdr); | |
4882 | return -EIO; | |
1da177e4 LT |
4883 | } |
4884 | ||
4885 | static int decode_open_confirm(struct xdr_stream *xdr, struct nfs_open_confirmres *res) | |
4886 | { | |
1da177e4 LT |
4887 | int status; |
4888 | ||
05d564fe | 4889 | status = decode_op_hdr(xdr, OP_OPEN_CONFIRM); |
c1d51931 TM |
4890 | if (status != -EIO) |
4891 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4892 | if (!status) |
4893 | status = decode_stateid(xdr, &res->stateid); | |
4894 | return status; | |
1da177e4 LT |
4895 | } |
4896 | ||
4897 | static int decode_open_downgrade(struct xdr_stream *xdr, struct nfs_closeres *res) | |
4898 | { | |
1da177e4 LT |
4899 | int status; |
4900 | ||
4901 | status = decode_op_hdr(xdr, OP_OPEN_DOWNGRADE); | |
c1d51931 TM |
4902 | if (status != -EIO) |
4903 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4904 | if (!status) |
4905 | status = decode_stateid(xdr, &res->stateid); | |
4906 | return status; | |
1da177e4 LT |
4907 | } |
4908 | ||
4909 | static int decode_putfh(struct xdr_stream *xdr) | |
4910 | { | |
4911 | return decode_op_hdr(xdr, OP_PUTFH); | |
4912 | } | |
4913 | ||
4914 | static int decode_putrootfh(struct xdr_stream *xdr) | |
4915 | { | |
4916 | return decode_op_hdr(xdr, OP_PUTROOTFH); | |
4917 | } | |
4918 | ||
4919 | static int decode_read(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs_readres *res) | |
4920 | { | |
8687b63a | 4921 | __be32 *p; |
64bd577e | 4922 | uint32_t count, eof, recvd; |
1da177e4 LT |
4923 | int status; |
4924 | ||
4925 | status = decode_op_hdr(xdr, OP_READ); | |
4926 | if (status) | |
4927 | return status; | |
c0eae66e BH |
4928 | p = xdr_inline_decode(xdr, 8); |
4929 | if (unlikely(!p)) | |
4930 | goto out_overflow; | |
6f723f77 | 4931 | eof = be32_to_cpup(p++); |
cccddf4f | 4932 | count = be32_to_cpup(p); |
64bd577e | 4933 | recvd = xdr_read_pages(xdr, count); |
1da177e4 | 4934 | if (count > recvd) { |
fe82a183 | 4935 | dprintk("NFS: server cheating in read reply: " |
1da177e4 LT |
4936 | "count %u > recvd %u\n", count, recvd); |
4937 | count = recvd; | |
4938 | eof = 0; | |
4939 | } | |
1da177e4 LT |
4940 | res->eof = eof; |
4941 | res->count = count; | |
4942 | return 0; | |
c0eae66e BH |
4943 | out_overflow: |
4944 | print_overflow_msg(__func__, xdr); | |
4945 | return -EIO; | |
1da177e4 LT |
4946 | } |
4947 | ||
4948 | static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs4_readdir_res *readdir) | |
4949 | { | |
bcecff77 | 4950 | int status; |
cd93710e | 4951 | __be32 verf[2]; |
1da177e4 LT |
4952 | |
4953 | status = decode_op_hdr(xdr, OP_READDIR); | |
db942bbd BH |
4954 | if (!status) |
4955 | status = decode_verifier(xdr, readdir->verifier.data); | |
4956 | if (unlikely(status)) | |
1da177e4 | 4957 | return status; |
cd93710e | 4958 | memcpy(verf, readdir->verifier.data, sizeof(verf)); |
44109241 | 4959 | dprintk("%s: verifier = %08x:%08x\n", |
cd93710e | 4960 | __func__, verf[0], verf[1]); |
64bd577e | 4961 | return xdr_read_pages(xdr, xdr->buf->page_len); |
1da177e4 LT |
4962 | } |
4963 | ||
4964 | static int decode_readlink(struct xdr_stream *xdr, struct rpc_rqst *req) | |
4965 | { | |
4966 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; | |
bcecff77 | 4967 | u32 len, recvd; |
8687b63a | 4968 | __be32 *p; |
1da177e4 LT |
4969 | int status; |
4970 | ||
4971 | status = decode_op_hdr(xdr, OP_READLINK); | |
4972 | if (status) | |
4973 | return status; | |
4974 | ||
4975 | /* Convert length of symlink */ | |
c0eae66e BH |
4976 | p = xdr_inline_decode(xdr, 4); |
4977 | if (unlikely(!p)) | |
4978 | goto out_overflow; | |
cccddf4f | 4979 | len = be32_to_cpup(p); |
1da177e4 | 4980 | if (len >= rcvbuf->page_len || len <= 0) { |
fe82a183 | 4981 | dprintk("nfs: server returned giant symlink!\n"); |
1da177e4 LT |
4982 | return -ENAMETOOLONG; |
4983 | } | |
64bd577e | 4984 | recvd = xdr_read_pages(xdr, len); |
1da177e4 | 4985 | if (recvd < len) { |
fe82a183 | 4986 | dprintk("NFS: server cheating in readlink reply: " |
1da177e4 LT |
4987 | "count %u > recvd %u\n", len, recvd); |
4988 | return -EIO; | |
4989 | } | |
1da177e4 LT |
4990 | /* |
4991 | * The XDR encode routine has set things up so that | |
4992 | * the link text will be copied directly into the | |
4993 | * buffer. We just have to do overflow-checking, | |
4994 | * and and null-terminate the text (the VFS expects | |
4995 | * null-termination). | |
4996 | */ | |
b4687da7 | 4997 | xdr_terminate_string(rcvbuf, len); |
1da177e4 | 4998 | return 0; |
c0eae66e BH |
4999 | out_overflow: |
5000 | print_overflow_msg(__func__, xdr); | |
5001 | return -EIO; | |
1da177e4 LT |
5002 | } |
5003 | ||
5004 | static int decode_remove(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
5005 | { | |
5006 | int status; | |
5007 | ||
5008 | status = decode_op_hdr(xdr, OP_REMOVE); | |
5009 | if (status) | |
5010 | goto out; | |
5011 | status = decode_change_info(xdr, cinfo); | |
5012 | out: | |
5013 | return status; | |
5014 | } | |
5015 | ||
5016 | static int decode_rename(struct xdr_stream *xdr, struct nfs4_change_info *old_cinfo, | |
5017 | struct nfs4_change_info *new_cinfo) | |
5018 | { | |
5019 | int status; | |
5020 | ||
5021 | status = decode_op_hdr(xdr, OP_RENAME); | |
5022 | if (status) | |
5023 | goto out; | |
5024 | if ((status = decode_change_info(xdr, old_cinfo))) | |
5025 | goto out; | |
5026 | status = decode_change_info(xdr, new_cinfo); | |
5027 | out: | |
5028 | return status; | |
5029 | } | |
5030 | ||
5031 | static int decode_renew(struct xdr_stream *xdr) | |
5032 | { | |
5033 | return decode_op_hdr(xdr, OP_RENEW); | |
5034 | } | |
5035 | ||
56ae19f3 TM |
5036 | static int |
5037 | decode_restorefh(struct xdr_stream *xdr) | |
5038 | { | |
5039 | return decode_op_hdr(xdr, OP_RESTOREFH); | |
5040 | } | |
5041 | ||
029d105e | 5042 | static int decode_getacl(struct xdr_stream *xdr, struct rpc_rqst *req, |
bf118a34 | 5043 | struct nfs_getaclres *res) |
029d105e | 5044 | { |
256e48bb | 5045 | unsigned int savep; |
029d105e | 5046 | uint32_t attrlen, |
dae100c2 | 5047 | bitmap[3] = {0}; |
029d105e | 5048 | int status; |
cff298c7 | 5049 | unsigned int pg_offset; |
029d105e | 5050 | |
bf118a34 | 5051 | res->acl_len = 0; |
029d105e BF |
5052 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
5053 | goto out; | |
5a006899 | 5054 | |
519d3959 TM |
5055 | xdr_enter_page(xdr, xdr->buf->page_len); |
5056 | ||
cff298c7 TM |
5057 | /* Calculate the offset of the page data */ |
5058 | pg_offset = xdr->buf->head[0].iov_len; | |
5a006899 | 5059 | |
029d105e BF |
5060 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) |
5061 | goto out; | |
5062 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
5063 | goto out; | |
5064 | ||
5065 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACL - 1U))) | |
5066 | return -EIO; | |
5067 | if (likely(bitmap[0] & FATTR4_WORD0_ACL)) { | |
029d105e | 5068 | |
bf118a34 AA |
5069 | /* The bitmap (xdr len + bitmaps) and the attr xdr len words |
5070 | * are stored with the acl data to handle the problem of | |
5071 | * variable length bitmaps.*/ | |
cff298c7 | 5072 | res->acl_data_offset = xdr_stream_pos(xdr) - pg_offset; |
519d3959 | 5073 | res->acl_len = attrlen; |
1f1ea6c2 TM |
5074 | |
5075 | /* Check for receive buffer overflow */ | |
5076 | if (res->acl_len > (xdr->nwords << 2) || | |
5077 | res->acl_len + res->acl_data_offset > xdr->buf->page_len) { | |
5078 | res->acl_flags |= NFS4_ACL_TRUNC; | |
519d3959 | 5079 | dprintk("NFS: acl reply: attrlen %u > page_len %u\n", |
cff298c7 | 5080 | attrlen, xdr->nwords << 2); |
029d105e | 5081 | } |
8c233cf9 BF |
5082 | } else |
5083 | status = -EOPNOTSUPP; | |
029d105e BF |
5084 | |
5085 | out: | |
5086 | return status; | |
5087 | } | |
5088 | ||
1da177e4 LT |
5089 | static int |
5090 | decode_savefh(struct xdr_stream *xdr) | |
5091 | { | |
5092 | return decode_op_hdr(xdr, OP_SAVEFH); | |
5093 | } | |
5094 | ||
9e9ecc03 | 5095 | static int decode_setattr(struct xdr_stream *xdr) |
1da177e4 | 5096 | { |
8687b63a | 5097 | __be32 *p; |
1da177e4 LT |
5098 | uint32_t bmlen; |
5099 | int status; | |
5100 | ||
1da177e4 LT |
5101 | status = decode_op_hdr(xdr, OP_SETATTR); |
5102 | if (status) | |
5103 | return status; | |
c0eae66e BH |
5104 | p = xdr_inline_decode(xdr, 4); |
5105 | if (unlikely(!p)) | |
5106 | goto out_overflow; | |
cccddf4f | 5107 | bmlen = be32_to_cpup(p); |
c0eae66e BH |
5108 | p = xdr_inline_decode(xdr, bmlen << 2); |
5109 | if (likely(p)) | |
5110 | return 0; | |
5111 | out_overflow: | |
5112 | print_overflow_msg(__func__, xdr); | |
5113 | return -EIO; | |
1da177e4 LT |
5114 | } |
5115 | ||
bb8b27e5 | 5116 | static int decode_setclientid(struct xdr_stream *xdr, struct nfs4_setclientid_res *res) |
1da177e4 | 5117 | { |
8687b63a | 5118 | __be32 *p; |
1da177e4 LT |
5119 | uint32_t opnum; |
5120 | int32_t nfserr; | |
5121 | ||
c0eae66e BH |
5122 | p = xdr_inline_decode(xdr, 8); |
5123 | if (unlikely(!p)) | |
5124 | goto out_overflow; | |
6f723f77 | 5125 | opnum = be32_to_cpup(p++); |
1da177e4 | 5126 | if (opnum != OP_SETCLIENTID) { |
fe82a183 | 5127 | dprintk("nfs: decode_setclientid: Server returned operation" |
6c0195a4 | 5128 | " %d\n", opnum); |
1da177e4 LT |
5129 | return -EIO; |
5130 | } | |
cccddf4f | 5131 | nfserr = be32_to_cpup(p); |
1da177e4 | 5132 | if (nfserr == NFS_OK) { |
c0eae66e BH |
5133 | p = xdr_inline_decode(xdr, 8 + NFS4_VERIFIER_SIZE); |
5134 | if (unlikely(!p)) | |
5135 | goto out_overflow; | |
bb8b27e5 TM |
5136 | p = xdr_decode_hyper(p, &res->clientid); |
5137 | memcpy(res->confirm.data, p, NFS4_VERIFIER_SIZE); | |
1da177e4 LT |
5138 | } else if (nfserr == NFSERR_CLID_INUSE) { |
5139 | uint32_t len; | |
5140 | ||
5141 | /* skip netid string */ | |
c0eae66e BH |
5142 | p = xdr_inline_decode(xdr, 4); |
5143 | if (unlikely(!p)) | |
5144 | goto out_overflow; | |
cccddf4f | 5145 | len = be32_to_cpup(p); |
c0eae66e BH |
5146 | p = xdr_inline_decode(xdr, len); |
5147 | if (unlikely(!p)) | |
5148 | goto out_overflow; | |
1da177e4 LT |
5149 | |
5150 | /* skip uaddr string */ | |
c0eae66e BH |
5151 | p = xdr_inline_decode(xdr, 4); |
5152 | if (unlikely(!p)) | |
5153 | goto out_overflow; | |
cccddf4f | 5154 | len = be32_to_cpup(p); |
c0eae66e BH |
5155 | p = xdr_inline_decode(xdr, len); |
5156 | if (unlikely(!p)) | |
5157 | goto out_overflow; | |
1da177e4 LT |
5158 | return -NFSERR_CLID_INUSE; |
5159 | } else | |
856dff3d | 5160 | return nfs4_stat_to_errno(nfserr); |
1da177e4 LT |
5161 | |
5162 | return 0; | |
c0eae66e BH |
5163 | out_overflow: |
5164 | print_overflow_msg(__func__, xdr); | |
5165 | return -EIO; | |
1da177e4 LT |
5166 | } |
5167 | ||
5168 | static int decode_setclientid_confirm(struct xdr_stream *xdr) | |
5169 | { | |
5170 | return decode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM); | |
5171 | } | |
5172 | ||
5173 | static int decode_write(struct xdr_stream *xdr, struct nfs_writeres *res) | |
5174 | { | |
8687b63a | 5175 | __be32 *p; |
1da177e4 LT |
5176 | int status; |
5177 | ||
5178 | status = decode_op_hdr(xdr, OP_WRITE); | |
5179 | if (status) | |
5180 | return status; | |
5181 | ||
2f2c63bc | 5182 | p = xdr_inline_decode(xdr, 8); |
c0eae66e BH |
5183 | if (unlikely(!p)) |
5184 | goto out_overflow; | |
6f723f77 BH |
5185 | res->count = be32_to_cpup(p++); |
5186 | res->verf->committed = be32_to_cpup(p++); | |
2f2c63bc | 5187 | return decode_write_verifier(xdr, &res->verf->verifier); |
c0eae66e BH |
5188 | out_overflow: |
5189 | print_overflow_msg(__func__, xdr); | |
5190 | return -EIO; | |
1da177e4 LT |
5191 | } |
5192 | ||
5193 | static int decode_delegreturn(struct xdr_stream *xdr) | |
5194 | { | |
5195 | return decode_op_hdr(xdr, OP_DELEGRETURN); | |
5196 | } | |
5197 | ||
fb15b26f CL |
5198 | static int decode_secinfo_gss(struct xdr_stream *xdr, |
5199 | struct nfs4_secinfo4 *flavor) | |
5a5ea0d4 | 5200 | { |
fb15b26f | 5201 | u32 oid_len; |
5a5ea0d4 BS |
5202 | __be32 *p; |
5203 | ||
5204 | p = xdr_inline_decode(xdr, 4); | |
5205 | if (unlikely(!p)) | |
5206 | goto out_overflow; | |
fb15b26f CL |
5207 | oid_len = be32_to_cpup(p); |
5208 | if (oid_len > GSS_OID_MAX_LEN) | |
5a5ea0d4 BS |
5209 | goto out_err; |
5210 | ||
fb15b26f | 5211 | p = xdr_inline_decode(xdr, oid_len); |
5a5ea0d4 BS |
5212 | if (unlikely(!p)) |
5213 | goto out_overflow; | |
fb15b26f CL |
5214 | memcpy(flavor->flavor_info.oid.data, p, oid_len); |
5215 | flavor->flavor_info.oid.len = oid_len; | |
5a5ea0d4 BS |
5216 | |
5217 | p = xdr_inline_decode(xdr, 8); | |
5218 | if (unlikely(!p)) | |
5219 | goto out_overflow; | |
fb15b26f CL |
5220 | flavor->flavor_info.qop = be32_to_cpup(p++); |
5221 | flavor->flavor_info.service = be32_to_cpup(p); | |
5a5ea0d4 BS |
5222 | |
5223 | return 0; | |
5224 | ||
5225 | out_overflow: | |
5226 | print_overflow_msg(__func__, xdr); | |
5227 | return -EIO; | |
5228 | out_err: | |
5229 | return -EINVAL; | |
5230 | } | |
5231 | ||
31e4dda4 | 5232 | static int decode_secinfo_common(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
5a5ea0d4 | 5233 | { |
fb15b26f CL |
5234 | struct nfs4_secinfo4 *sec_flavor; |
5235 | unsigned int i, num_flavors; | |
5a5ea0d4 BS |
5236 | int status; |
5237 | __be32 *p; | |
5a5ea0d4 | 5238 | |
5a5ea0d4 BS |
5239 | p = xdr_inline_decode(xdr, 4); |
5240 | if (unlikely(!p)) | |
5241 | goto out_overflow; | |
5a5ea0d4 | 5242 | |
c3dfc280 BS |
5243 | res->flavors->num_flavors = 0; |
5244 | num_flavors = be32_to_cpup(p); | |
5245 | ||
5246 | for (i = 0; i < num_flavors; i++) { | |
5a5ea0d4 | 5247 | sec_flavor = &res->flavors->flavors[i]; |
c3dfc280 | 5248 | if ((char *)&sec_flavor[1] - (char *)res->flavors > PAGE_SIZE) |
5a5ea0d4 BS |
5249 | break; |
5250 | ||
5251 | p = xdr_inline_decode(xdr, 4); | |
5252 | if (unlikely(!p)) | |
5253 | goto out_overflow; | |
5254 | sec_flavor->flavor = be32_to_cpup(p); | |
5255 | ||
5256 | if (sec_flavor->flavor == RPC_AUTH_GSS) { | |
613e901e BS |
5257 | status = decode_secinfo_gss(xdr, sec_flavor); |
5258 | if (status) | |
5259 | goto out; | |
5a5ea0d4 | 5260 | } |
c3dfc280 | 5261 | res->flavors->num_flavors++; |
5a5ea0d4 BS |
5262 | } |
5263 | ||
31e4dda4 | 5264 | status = 0; |
613e901e BS |
5265 | out: |
5266 | return status; | |
5a5ea0d4 BS |
5267 | out_overflow: |
5268 | print_overflow_msg(__func__, xdr); | |
5269 | return -EIO; | |
5270 | } | |
5271 | ||
31e4dda4 BS |
5272 | static int decode_secinfo(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
5273 | { | |
5274 | int status = decode_op_hdr(xdr, OP_SECINFO); | |
5275 | if (status) | |
5276 | return status; | |
5277 | return decode_secinfo_common(xdr, res); | |
5278 | } | |
5279 | ||
99fe60d0 | 5280 | #if defined(CONFIG_NFS_V4_1) |
31e4dda4 BS |
5281 | static int decode_secinfo_no_name(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
5282 | { | |
5283 | int status = decode_op_hdr(xdr, OP_SECINFO_NO_NAME); | |
5284 | if (status) | |
5285 | return status; | |
5286 | return decode_secinfo_common(xdr, res); | |
5287 | } | |
5288 | ||
99fe60d0 BH |
5289 | static int decode_exchange_id(struct xdr_stream *xdr, |
5290 | struct nfs41_exchange_id_res *res) | |
5291 | { | |
5292 | __be32 *p; | |
5293 | uint32_t dummy; | |
2460ba57 | 5294 | char *dummy_str; |
99fe60d0 | 5295 | int status; |
7d2ed9ac | 5296 | uint32_t impl_id_count; |
99fe60d0 BH |
5297 | |
5298 | status = decode_op_hdr(xdr, OP_EXCHANGE_ID); | |
5299 | if (status) | |
5300 | return status; | |
5301 | ||
c0eae66e BH |
5302 | p = xdr_inline_decode(xdr, 8); |
5303 | if (unlikely(!p)) | |
5304 | goto out_overflow; | |
32b01310 | 5305 | xdr_decode_hyper(p, &res->clientid); |
c0eae66e BH |
5306 | p = xdr_inline_decode(xdr, 12); |
5307 | if (unlikely(!p)) | |
5308 | goto out_overflow; | |
32b01310 TM |
5309 | res->seqid = be32_to_cpup(p++); |
5310 | res->flags = be32_to_cpup(p++); | |
99fe60d0 BH |
5311 | |
5312 | /* We ask for SP4_NONE */ | |
cccddf4f | 5313 | dummy = be32_to_cpup(p); |
99fe60d0 BH |
5314 | if (dummy != SP4_NONE) |
5315 | return -EIO; | |
5316 | ||
acdeb69d | 5317 | /* server_owner4.so_minor_id */ |
c0eae66e BH |
5318 | p = xdr_inline_decode(xdr, 8); |
5319 | if (unlikely(!p)) | |
5320 | goto out_overflow; | |
acdeb69d | 5321 | p = xdr_decode_hyper(p, &res->server_owner->minor_id); |
99fe60d0 | 5322 | |
acdeb69d | 5323 | /* server_owner4.so_major_id */ |
2460ba57 BH |
5324 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
5325 | if (unlikely(status)) | |
5326 | return status; | |
acdeb69d CL |
5327 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) |
5328 | return -EIO; | |
5329 | memcpy(res->server_owner->major_id, dummy_str, dummy); | |
5330 | res->server_owner->major_id_sz = dummy; | |
99fe60d0 | 5331 | |
acdeb69d | 5332 | /* server_scope4 */ |
2460ba57 BH |
5333 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
5334 | if (unlikely(status)) | |
5335 | return status; | |
78fe0f41 WAA |
5336 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) |
5337 | return -EIO; | |
78fe0f41 WAA |
5338 | memcpy(res->server_scope->server_scope, dummy_str, dummy); |
5339 | res->server_scope->server_scope_sz = dummy; | |
5340 | ||
7d2ed9ac WAA |
5341 | /* Implementation Id */ |
5342 | p = xdr_inline_decode(xdr, 4); | |
5343 | if (unlikely(!p)) | |
5344 | goto out_overflow; | |
5345 | impl_id_count = be32_to_cpup(p++); | |
99fe60d0 | 5346 | |
7d2ed9ac WAA |
5347 | if (impl_id_count) { |
5348 | /* nii_domain */ | |
5349 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); | |
5350 | if (unlikely(status)) | |
5351 | return status; | |
5352 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) | |
5353 | return -EIO; | |
5354 | memcpy(res->impl_id->domain, dummy_str, dummy); | |
5355 | ||
5356 | /* nii_name */ | |
5357 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); | |
5358 | if (unlikely(status)) | |
5359 | return status; | |
5360 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) | |
5361 | return -EIO; | |
5362 | memcpy(res->impl_id->name, dummy_str, dummy); | |
5363 | ||
5364 | /* nii_date */ | |
5365 | p = xdr_inline_decode(xdr, 12); | |
5366 | if (unlikely(!p)) | |
5367 | goto out_overflow; | |
5368 | p = xdr_decode_hyper(p, &res->impl_id->date.seconds); | |
5369 | res->impl_id->date.nseconds = be32_to_cpup(p); | |
5370 | ||
5371 | /* if there's more than one entry, ignore the rest */ | |
5372 | } | |
99fe60d0 | 5373 | return 0; |
c0eae66e BH |
5374 | out_overflow: |
5375 | print_overflow_msg(__func__, xdr); | |
5376 | return -EIO; | |
99fe60d0 | 5377 | } |
fc931582 AA |
5378 | |
5379 | static int decode_chan_attrs(struct xdr_stream *xdr, | |
5380 | struct nfs4_channel_attrs *attrs) | |
5381 | { | |
5382 | __be32 *p; | |
c9c30dd5 | 5383 | u32 nr_attrs, val; |
fc931582 | 5384 | |
c0eae66e BH |
5385 | p = xdr_inline_decode(xdr, 28); |
5386 | if (unlikely(!p)) | |
5387 | goto out_overflow; | |
c9c30dd5 BH |
5388 | val = be32_to_cpup(p++); /* headerpadsz */ |
5389 | if (val) | |
5390 | return -EINVAL; /* no support for header padding yet */ | |
6f723f77 BH |
5391 | attrs->max_rqst_sz = be32_to_cpup(p++); |
5392 | attrs->max_resp_sz = be32_to_cpup(p++); | |
5393 | attrs->max_resp_sz_cached = be32_to_cpup(p++); | |
5394 | attrs->max_ops = be32_to_cpup(p++); | |
5395 | attrs->max_reqs = be32_to_cpup(p++); | |
cccddf4f | 5396 | nr_attrs = be32_to_cpup(p); |
fc931582 | 5397 | if (unlikely(nr_attrs > 1)) { |
a030889a WAA |
5398 | printk(KERN_WARNING "NFS: %s: Invalid rdma channel attrs " |
5399 | "count %u\n", __func__, nr_attrs); | |
fc931582 AA |
5400 | return -EINVAL; |
5401 | } | |
c0eae66e BH |
5402 | if (nr_attrs == 1) { |
5403 | p = xdr_inline_decode(xdr, 4); /* skip rdma_attrs */ | |
5404 | if (unlikely(!p)) | |
5405 | goto out_overflow; | |
5406 | } | |
fc931582 | 5407 | return 0; |
c0eae66e BH |
5408 | out_overflow: |
5409 | print_overflow_msg(__func__, xdr); | |
5410 | return -EIO; | |
fc931582 AA |
5411 | } |
5412 | ||
e78291e4 BH |
5413 | static int decode_sessionid(struct xdr_stream *xdr, struct nfs4_sessionid *sid) |
5414 | { | |
5415 | return decode_opaque_fixed(xdr, sid->data, NFS4_MAX_SESSIONID_LEN); | |
fc931582 AA |
5416 | } |
5417 | ||
7c44f1ae WAA |
5418 | static int decode_bind_conn_to_session(struct xdr_stream *xdr, |
5419 | struct nfs41_bind_conn_to_session_res *res) | |
5420 | { | |
5421 | __be32 *p; | |
5422 | int status; | |
5423 | ||
5424 | status = decode_op_hdr(xdr, OP_BIND_CONN_TO_SESSION); | |
5425 | if (!status) | |
5426 | status = decode_sessionid(xdr, &res->session->sess_id); | |
5427 | if (unlikely(status)) | |
5428 | return status; | |
5429 | ||
5430 | /* dir flags, rdma mode bool */ | |
5431 | p = xdr_inline_decode(xdr, 8); | |
5432 | if (unlikely(!p)) | |
5433 | goto out_overflow; | |
5434 | ||
5435 | res->dir = be32_to_cpup(p++); | |
5436 | if (res->dir == 0 || res->dir > NFS4_CDFS4_BOTH) | |
5437 | return -EIO; | |
5438 | if (be32_to_cpup(p) == 0) | |
5439 | res->use_conn_in_rdma_mode = false; | |
5440 | else | |
5441 | res->use_conn_in_rdma_mode = true; | |
5442 | ||
5443 | return 0; | |
5444 | out_overflow: | |
5445 | print_overflow_msg(__func__, xdr); | |
5446 | return -EIO; | |
5447 | } | |
5448 | ||
fc931582 AA |
5449 | static int decode_create_session(struct xdr_stream *xdr, |
5450 | struct nfs41_create_session_res *res) | |
5451 | { | |
5452 | __be32 *p; | |
5453 | int status; | |
5454 | struct nfs_client *clp = res->client; | |
5455 | struct nfs4_session *session = clp->cl_session; | |
5456 | ||
5457 | status = decode_op_hdr(xdr, OP_CREATE_SESSION); | |
e78291e4 BH |
5458 | if (!status) |
5459 | status = decode_sessionid(xdr, &session->sess_id); | |
5460 | if (unlikely(status)) | |
fc931582 AA |
5461 | return status; |
5462 | ||
fc931582 | 5463 | /* seqid, flags */ |
c0eae66e BH |
5464 | p = xdr_inline_decode(xdr, 8); |
5465 | if (unlikely(!p)) | |
5466 | goto out_overflow; | |
6f723f77 | 5467 | clp->cl_seqid = be32_to_cpup(p++); |
cccddf4f | 5468 | session->flags = be32_to_cpup(p); |
fc931582 AA |
5469 | |
5470 | /* Channel attributes */ | |
5471 | status = decode_chan_attrs(xdr, &session->fc_attrs); | |
5472 | if (!status) | |
5473 | status = decode_chan_attrs(xdr, &session->bc_attrs); | |
5474 | return status; | |
c0eae66e BH |
5475 | out_overflow: |
5476 | print_overflow_msg(__func__, xdr); | |
5477 | return -EIO; | |
fc931582 | 5478 | } |
0f3e66c6 AA |
5479 | |
5480 | static int decode_destroy_session(struct xdr_stream *xdr, void *dummy) | |
5481 | { | |
5482 | return decode_op_hdr(xdr, OP_DESTROY_SESSION); | |
5483 | } | |
18019753 | 5484 | |
66245539 TM |
5485 | static int decode_destroy_clientid(struct xdr_stream *xdr, void *dummy) |
5486 | { | |
5487 | return decode_op_hdr(xdr, OP_DESTROY_CLIENTID); | |
5488 | } | |
5489 | ||
18019753 RL |
5490 | static int decode_reclaim_complete(struct xdr_stream *xdr, void *dummy) |
5491 | { | |
5492 | return decode_op_hdr(xdr, OP_RECLAIM_COMPLETE); | |
5493 | } | |
99fe60d0 BH |
5494 | #endif /* CONFIG_NFS_V4_1 */ |
5495 | ||
9b7b9fcc AA |
5496 | static int decode_sequence(struct xdr_stream *xdr, |
5497 | struct nfs4_sequence_res *res, | |
5498 | struct rpc_rqst *rqstp) | |
5499 | { | |
5500 | #if defined(CONFIG_NFS_V4_1) | |
e3725ec0 | 5501 | struct nfs4_session *session; |
fc01cea9 AA |
5502 | struct nfs4_sessionid id; |
5503 | u32 dummy; | |
5504 | int status; | |
5505 | __be32 *p; | |
5506 | ||
e3725ec0 | 5507 | if (res->sr_slot == NULL) |
9b7b9fcc AA |
5508 | return 0; |
5509 | ||
fc01cea9 | 5510 | status = decode_op_hdr(xdr, OP_SEQUENCE); |
e78291e4 BH |
5511 | if (!status) |
5512 | status = decode_sessionid(xdr, &id); | |
5513 | if (unlikely(status)) | |
fc01cea9 | 5514 | goto out_err; |
9b7b9fcc | 5515 | |
fc01cea9 AA |
5516 | /* |
5517 | * If the server returns different values for sessionID, slotID or | |
5518 | * sequence number, the server is looney tunes. | |
5519 | */ | |
fdcb4577 | 5520 | status = -EREMOTEIO; |
e3725ec0 | 5521 | session = res->sr_slot->table->session; |
fc01cea9 | 5522 | |
e3725ec0 | 5523 | if (memcmp(id.data, session->sess_id.data, |
fc01cea9 AA |
5524 | NFS4_MAX_SESSIONID_LEN)) { |
5525 | dprintk("%s Invalid session id\n", __func__); | |
5526 | goto out_err; | |
5527 | } | |
e78291e4 | 5528 | |
c0eae66e BH |
5529 | p = xdr_inline_decode(xdr, 20); |
5530 | if (unlikely(!p)) | |
5531 | goto out_overflow; | |
e78291e4 | 5532 | |
fc01cea9 | 5533 | /* seqid */ |
6f723f77 | 5534 | dummy = be32_to_cpup(p++); |
dfb4f309 | 5535 | if (dummy != res->sr_slot->seq_nr) { |
fc01cea9 AA |
5536 | dprintk("%s Invalid sequence number\n", __func__); |
5537 | goto out_err; | |
5538 | } | |
5539 | /* slot id */ | |
6f723f77 | 5540 | dummy = be32_to_cpup(p++); |
df2fabff | 5541 | if (dummy != res->sr_slot->slot_nr) { |
fc01cea9 AA |
5542 | dprintk("%s Invalid slot id\n", __func__); |
5543 | goto out_err; | |
5544 | } | |
da0507b7 TM |
5545 | /* highest slot id */ |
5546 | res->sr_highest_slotid = be32_to_cpup(p++); | |
464ee9f9 TM |
5547 | /* target highest slot id */ |
5548 | res->sr_target_highest_slotid = be32_to_cpup(p++); | |
0629e370 AB |
5549 | /* result flags */ |
5550 | res->sr_status_flags = be32_to_cpup(p); | |
fc01cea9 AA |
5551 | status = 0; |
5552 | out_err: | |
5553 | res->sr_status = status; | |
5554 | return status; | |
c0eae66e BH |
5555 | out_overflow: |
5556 | print_overflow_msg(__func__, xdr); | |
5557 | status = -EIO; | |
5558 | goto out_err; | |
fc01cea9 | 5559 | #else /* CONFIG_NFS_V4_1 */ |
9b7b9fcc | 5560 | return 0; |
fc01cea9 | 5561 | #endif /* CONFIG_NFS_V4_1 */ |
9b7b9fcc AA |
5562 | } |
5563 | ||
b1f69b75 | 5564 | #if defined(CONFIG_NFS_V4_1) |
7f11d8d3 AA |
5565 | /* |
5566 | * TODO: Need to handle case when EOF != true; | |
5567 | */ | |
5568 | static int decode_getdevicelist(struct xdr_stream *xdr, | |
5569 | struct pnfs_devicelist *res) | |
5570 | { | |
5571 | __be32 *p; | |
5572 | int status, i; | |
98d94524 | 5573 | nfs4_verifier verftemp; |
7f11d8d3 AA |
5574 | |
5575 | status = decode_op_hdr(xdr, OP_GETDEVICELIST); | |
5576 | if (status) | |
5577 | return status; | |
5578 | ||
5579 | p = xdr_inline_decode(xdr, 8 + 8 + 4); | |
5580 | if (unlikely(!p)) | |
5581 | goto out_overflow; | |
5582 | ||
5583 | /* TODO: Skip cookie for now */ | |
5584 | p += 2; | |
5585 | ||
5586 | /* Read verifier */ | |
98d94524 | 5587 | p = xdr_decode_opaque_fixed(p, verftemp.data, NFS4_VERIFIER_SIZE); |
7f11d8d3 AA |
5588 | |
5589 | res->num_devs = be32_to_cpup(p); | |
5590 | ||
5591 | dprintk("%s: num_dev %d\n", __func__, res->num_devs); | |
5592 | ||
5593 | if (res->num_devs > NFS4_PNFS_GETDEVLIST_MAXNUM) { | |
a030889a | 5594 | printk(KERN_ERR "NFS: %s too many result dev_num %u\n", |
7f11d8d3 AA |
5595 | __func__, res->num_devs); |
5596 | return -EIO; | |
5597 | } | |
5598 | ||
5599 | p = xdr_inline_decode(xdr, | |
5600 | res->num_devs * NFS4_DEVICEID4_SIZE + 4); | |
5601 | if (unlikely(!p)) | |
5602 | goto out_overflow; | |
5603 | for (i = 0; i < res->num_devs; i++) | |
5604 | p = xdr_decode_opaque_fixed(p, res->dev_id[i].data, | |
5605 | NFS4_DEVICEID4_SIZE); | |
5606 | res->eof = be32_to_cpup(p); | |
5607 | return 0; | |
5608 | out_overflow: | |
5609 | print_overflow_msg(__func__, xdr); | |
5610 | return -EIO; | |
5611 | } | |
b1f69b75 AA |
5612 | |
5613 | static int decode_getdeviceinfo(struct xdr_stream *xdr, | |
5614 | struct pnfs_device *pdev) | |
5615 | { | |
5616 | __be32 *p; | |
5617 | uint32_t len, type; | |
5618 | int status; | |
5619 | ||
5620 | status = decode_op_hdr(xdr, OP_GETDEVICEINFO); | |
5621 | if (status) { | |
5622 | if (status == -ETOOSMALL) { | |
5623 | p = xdr_inline_decode(xdr, 4); | |
5624 | if (unlikely(!p)) | |
5625 | goto out_overflow; | |
5626 | pdev->mincount = be32_to_cpup(p); | |
5627 | dprintk("%s: Min count too small. mincnt = %u\n", | |
5628 | __func__, pdev->mincount); | |
5629 | } | |
5630 | return status; | |
5631 | } | |
5632 | ||
5633 | p = xdr_inline_decode(xdr, 8); | |
5634 | if (unlikely(!p)) | |
5635 | goto out_overflow; | |
5636 | type = be32_to_cpup(p++); | |
5637 | if (type != pdev->layout_type) { | |
5638 | dprintk("%s: layout mismatch req: %u pdev: %u\n", | |
5639 | __func__, pdev->layout_type, type); | |
5640 | return -EINVAL; | |
5641 | } | |
5642 | /* | |
5643 | * Get the length of the opaque device_addr4. xdr_read_pages places | |
5644 | * the opaque device_addr4 in the xdr_buf->pages (pnfs_device->pages) | |
5645 | * and places the remaining xdr data in xdr_buf->tail | |
5646 | */ | |
5647 | pdev->mincount = be32_to_cpup(p); | |
13fe4ba1 TM |
5648 | if (xdr_read_pages(xdr, pdev->mincount) != pdev->mincount) |
5649 | goto out_overflow; | |
b1f69b75 AA |
5650 | |
5651 | /* Parse notification bitmap, verifying that it is zero. */ | |
5652 | p = xdr_inline_decode(xdr, 4); | |
5653 | if (unlikely(!p)) | |
5654 | goto out_overflow; | |
5655 | len = be32_to_cpup(p); | |
5656 | if (len) { | |
ead00597 | 5657 | uint32_t i; |
b1f69b75 AA |
5658 | |
5659 | p = xdr_inline_decode(xdr, 4 * len); | |
5660 | if (unlikely(!p)) | |
5661 | goto out_overflow; | |
5662 | for (i = 0; i < len; i++, p++) { | |
5663 | if (be32_to_cpup(p)) { | |
5664 | dprintk("%s: notifications not supported\n", | |
5665 | __func__); | |
5666 | return -EIO; | |
5667 | } | |
5668 | } | |
5669 | } | |
5670 | return 0; | |
5671 | out_overflow: | |
5672 | print_overflow_msg(__func__, xdr); | |
5673 | return -EIO; | |
5674 | } | |
5675 | ||
5676 | static int decode_layoutget(struct xdr_stream *xdr, struct rpc_rqst *req, | |
5677 | struct nfs4_layoutget_res *res) | |
5678 | { | |
5679 | __be32 *p; | |
5680 | int status; | |
5681 | u32 layout_count; | |
64bd577e | 5682 | u32 recvd; |
b1f69b75 AA |
5683 | |
5684 | status = decode_op_hdr(xdr, OP_LAYOUTGET); | |
5685 | if (status) | |
5686 | return status; | |
ea9d23f5 TM |
5687 | p = xdr_inline_decode(xdr, 4); |
5688 | if (unlikely(!p)) | |
5689 | goto out_overflow; | |
5690 | res->return_on_close = be32_to_cpup(p); | |
5691 | decode_stateid(xdr, &res->stateid); | |
5692 | p = xdr_inline_decode(xdr, 4); | |
b1f69b75 AA |
5693 | if (unlikely(!p)) |
5694 | goto out_overflow; | |
b1f69b75 AA |
5695 | layout_count = be32_to_cpup(p); |
5696 | if (!layout_count) { | |
5697 | dprintk("%s: server responded with empty layout array\n", | |
5698 | __func__); | |
5699 | return -EINVAL; | |
5700 | } | |
5701 | ||
35124a09 | 5702 | p = xdr_inline_decode(xdr, 28); |
b1f69b75 AA |
5703 | if (unlikely(!p)) |
5704 | goto out_overflow; | |
5705 | p = xdr_decode_hyper(p, &res->range.offset); | |
5706 | p = xdr_decode_hyper(p, &res->range.length); | |
5707 | res->range.iomode = be32_to_cpup(p++); | |
5708 | res->type = be32_to_cpup(p++); | |
35124a09 | 5709 | res->layoutp->len = be32_to_cpup(p); |
b1f69b75 AA |
5710 | |
5711 | dprintk("%s roff:%lu rlen:%lu riomode:%d, lo_type:0x%x, lo.len:%d\n", | |
5712 | __func__, | |
5713 | (unsigned long)res->range.offset, | |
5714 | (unsigned long)res->range.length, | |
5715 | res->range.iomode, | |
5716 | res->type, | |
35124a09 WAA |
5717 | res->layoutp->len); |
5718 | ||
64bd577e | 5719 | recvd = xdr_read_pages(xdr, res->layoutp->len); |
35124a09 WAA |
5720 | if (res->layoutp->len > recvd) { |
5721 | dprintk("NFS: server cheating in layoutget reply: " | |
5722 | "layout len %u > recvd %u\n", | |
5723 | res->layoutp->len, recvd); | |
5724 | return -EINVAL; | |
5725 | } | |
b1f69b75 | 5726 | |
b1f69b75 AA |
5727 | if (layout_count > 1) { |
5728 | /* We only handle a length one array at the moment. Any | |
5729 | * further entries are just ignored. Note that this means | |
5730 | * the client may see a response that is less than the | |
5731 | * minimum it requested. | |
5732 | */ | |
5733 | dprintk("%s: server responded with %d layouts, dropping tail\n", | |
5734 | __func__, layout_count); | |
5735 | } | |
5736 | ||
5737 | return 0; | |
5738 | out_overflow: | |
5739 | print_overflow_msg(__func__, xdr); | |
5740 | return -EIO; | |
5741 | } | |
863a3c6c | 5742 | |
cbe82603 BH |
5743 | static int decode_layoutreturn(struct xdr_stream *xdr, |
5744 | struct nfs4_layoutreturn_res *res) | |
5745 | { | |
5746 | __be32 *p; | |
5747 | int status; | |
5748 | ||
5749 | status = decode_op_hdr(xdr, OP_LAYOUTRETURN); | |
5750 | if (status) | |
5751 | return status; | |
5752 | p = xdr_inline_decode(xdr, 4); | |
5753 | if (unlikely(!p)) | |
5754 | goto out_overflow; | |
5755 | res->lrs_present = be32_to_cpup(p); | |
5756 | if (res->lrs_present) | |
5757 | status = decode_stateid(xdr, &res->stateid); | |
5758 | return status; | |
5759 | out_overflow: | |
5760 | print_overflow_msg(__func__, xdr); | |
5761 | return -EIO; | |
5762 | } | |
5763 | ||
863a3c6c AA |
5764 | static int decode_layoutcommit(struct xdr_stream *xdr, |
5765 | struct rpc_rqst *req, | |
5766 | struct nfs4_layoutcommit_res *res) | |
5767 | { | |
5768 | __be32 *p; | |
5769 | __u32 sizechanged; | |
5770 | int status; | |
5771 | ||
5772 | status = decode_op_hdr(xdr, OP_LAYOUTCOMMIT); | |
db29c089 | 5773 | res->status = status; |
863a3c6c AA |
5774 | if (status) |
5775 | return status; | |
5776 | ||
5777 | p = xdr_inline_decode(xdr, 4); | |
5778 | if (unlikely(!p)) | |
5779 | goto out_overflow; | |
5780 | sizechanged = be32_to_cpup(p); | |
5781 | ||
5782 | if (sizechanged) { | |
5783 | /* throw away new size */ | |
5784 | p = xdr_inline_decode(xdr, 8); | |
5785 | if (unlikely(!p)) | |
5786 | goto out_overflow; | |
5787 | } | |
5788 | return 0; | |
5789 | out_overflow: | |
5790 | print_overflow_msg(__func__, xdr); | |
5791 | return -EIO; | |
5792 | } | |
7d974794 BS |
5793 | |
5794 | static int decode_test_stateid(struct xdr_stream *xdr, | |
5795 | struct nfs41_test_stateid_res *res) | |
5796 | { | |
5797 | __be32 *p; | |
5798 | int status; | |
5799 | int num_res; | |
5800 | ||
5801 | status = decode_op_hdr(xdr, OP_TEST_STATEID); | |
5802 | if (status) | |
5803 | return status; | |
5804 | ||
5805 | p = xdr_inline_decode(xdr, 4); | |
5806 | if (unlikely(!p)) | |
5807 | goto out_overflow; | |
5808 | num_res = be32_to_cpup(p++); | |
5809 | if (num_res != 1) | |
5810 | goto out; | |
5811 | ||
5812 | p = xdr_inline_decode(xdr, 4); | |
5813 | if (unlikely(!p)) | |
5814 | goto out_overflow; | |
5815 | res->status = be32_to_cpup(p++); | |
1cab0652 BS |
5816 | |
5817 | return status; | |
7d974794 BS |
5818 | out_overflow: |
5819 | print_overflow_msg(__func__, xdr); | |
5820 | out: | |
5821 | return -EIO; | |
5822 | } | |
9aeda35f BS |
5823 | |
5824 | static int decode_free_stateid(struct xdr_stream *xdr, | |
5825 | struct nfs41_free_stateid_res *res) | |
5826 | { | |
5827 | __be32 *p; | |
5828 | int status; | |
5829 | ||
5830 | status = decode_op_hdr(xdr, OP_FREE_STATEID); | |
5831 | if (status) | |
5832 | return status; | |
5833 | ||
5834 | p = xdr_inline_decode(xdr, 4); | |
5835 | if (unlikely(!p)) | |
5836 | goto out_overflow; | |
5837 | res->status = be32_to_cpup(p++); | |
5838 | return res->status; | |
5839 | out_overflow: | |
5840 | print_overflow_msg(__func__, xdr); | |
5841 | return -EIO; | |
5842 | } | |
b1f69b75 AA |
5843 | #endif /* CONFIG_NFS_V4_1 */ |
5844 | ||
49c2559e BH |
5845 | /* |
5846 | * END OF "GENERIC" DECODE ROUTINES. | |
5847 | */ | |
5848 | ||
1da177e4 LT |
5849 | /* |
5850 | * Decode OPEN_DOWNGRADE response | |
5851 | */ | |
bf269551 CL |
5852 | static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst *rqstp, |
5853 | struct xdr_stream *xdr, | |
5854 | struct nfs_closeres *res) | |
1da177e4 | 5855 | { |
05d564fe AA |
5856 | struct compound_hdr hdr; |
5857 | int status; | |
5858 | ||
bf269551 | 5859 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5860 | if (status) |
5861 | goto out; | |
bf269551 | 5862 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
5863 | if (status) |
5864 | goto out; | |
bf269551 | 5865 | status = decode_putfh(xdr); |
05d564fe AA |
5866 | if (status) |
5867 | goto out; | |
bf269551 | 5868 | status = decode_open_downgrade(xdr, res); |
516a6af6 TM |
5869 | if (status != 0) |
5870 | goto out; | |
6926afd1 | 5871 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 | 5872 | out: |
05d564fe | 5873 | return status; |
1da177e4 LT |
5874 | } |
5875 | ||
1da177e4 LT |
5876 | /* |
5877 | * Decode ACCESS response | |
5878 | */ | |
bf269551 CL |
5879 | static int nfs4_xdr_dec_access(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5880 | struct nfs4_accessres *res) | |
1da177e4 | 5881 | { |
1da177e4 LT |
5882 | struct compound_hdr hdr; |
5883 | int status; | |
6c0195a4 | 5884 | |
bf269551 | 5885 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5886 | if (status) |
5887 | goto out; | |
bf269551 | 5888 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5889 | if (status) |
1da177e4 | 5890 | goto out; |
bf269551 | 5891 | status = decode_putfh(xdr); |
76b32999 TM |
5892 | if (status != 0) |
5893 | goto out; | |
6168f62c | 5894 | status = decode_access(xdr, &res->supported, &res->access); |
76b32999 TM |
5895 | if (status != 0) |
5896 | goto out; | |
6926afd1 | 5897 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
5898 | out: |
5899 | return status; | |
5900 | } | |
5901 | ||
5902 | /* | |
5903 | * Decode LOOKUP response | |
5904 | */ | |
bf269551 CL |
5905 | static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5906 | struct nfs4_lookup_res *res) | |
1da177e4 | 5907 | { |
1da177e4 LT |
5908 | struct compound_hdr hdr; |
5909 | int status; | |
6c0195a4 | 5910 | |
bf269551 | 5911 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5912 | if (status) |
5913 | goto out; | |
bf269551 | 5914 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5915 | if (status) |
1da177e4 | 5916 | goto out; |
bf269551 CL |
5917 | status = decode_putfh(xdr); |
5918 | if (status) | |
1da177e4 | 5919 | goto out; |
bf269551 CL |
5920 | status = decode_lookup(xdr); |
5921 | if (status) | |
1da177e4 | 5922 | goto out; |
bf269551 CL |
5923 | status = decode_getfh(xdr, res->fh); |
5924 | if (status) | |
1da177e4 | 5925 | goto out; |
6926afd1 | 5926 | status = decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
5927 | out: |
5928 | return status; | |
5929 | } | |
5930 | ||
5931 | /* | |
5932 | * Decode LOOKUP_ROOT response | |
5933 | */ | |
bf269551 CL |
5934 | static int nfs4_xdr_dec_lookup_root(struct rpc_rqst *rqstp, |
5935 | struct xdr_stream *xdr, | |
5936 | struct nfs4_lookup_res *res) | |
1da177e4 | 5937 | { |
1da177e4 LT |
5938 | struct compound_hdr hdr; |
5939 | int status; | |
6c0195a4 | 5940 | |
bf269551 | 5941 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5942 | if (status) |
5943 | goto out; | |
bf269551 | 5944 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5945 | if (status) |
1da177e4 | 5946 | goto out; |
bf269551 CL |
5947 | status = decode_putrootfh(xdr); |
5948 | if (status) | |
1da177e4 | 5949 | goto out; |
bf269551 CL |
5950 | status = decode_getfh(xdr, res->fh); |
5951 | if (status == 0) | |
6926afd1 | 5952 | status = decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
5953 | out: |
5954 | return status; | |
5955 | } | |
5956 | ||
5957 | /* | |
5958 | * Decode REMOVE response | |
5959 | */ | |
bf269551 CL |
5960 | static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5961 | struct nfs_removeres *res) | |
1da177e4 | 5962 | { |
1da177e4 LT |
5963 | struct compound_hdr hdr; |
5964 | int status; | |
6c0195a4 | 5965 | |
bf269551 | 5966 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5967 | if (status) |
5968 | goto out; | |
bf269551 | 5969 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5970 | if (status) |
1da177e4 | 5971 | goto out; |
bf269551 CL |
5972 | status = decode_putfh(xdr); |
5973 | if (status) | |
16e42959 | 5974 | goto out; |
bf269551 | 5975 | status = decode_remove(xdr, &res->cinfo); |
1da177e4 LT |
5976 | out: |
5977 | return status; | |
5978 | } | |
5979 | ||
5980 | /* | |
5981 | * Decode RENAME response | |
5982 | */ | |
bf269551 CL |
5983 | static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5984 | struct nfs_renameres *res) | |
1da177e4 | 5985 | { |
1da177e4 LT |
5986 | struct compound_hdr hdr; |
5987 | int status; | |
6c0195a4 | 5988 | |
bf269551 | 5989 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5990 | if (status) |
5991 | goto out; | |
bf269551 | 5992 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5993 | if (status) |
1da177e4 | 5994 | goto out; |
bf269551 CL |
5995 | status = decode_putfh(xdr); |
5996 | if (status) | |
1da177e4 | 5997 | goto out; |
bf269551 CL |
5998 | status = decode_savefh(xdr); |
5999 | if (status) | |
1da177e4 | 6000 | goto out; |
bf269551 CL |
6001 | status = decode_putfh(xdr); |
6002 | if (status) | |
1da177e4 | 6003 | goto out; |
bf269551 | 6004 | status = decode_rename(xdr, &res->old_cinfo, &res->new_cinfo); |
1da177e4 LT |
6005 | out: |
6006 | return status; | |
6007 | } | |
6008 | ||
6009 | /* | |
6010 | * Decode LINK response | |
6011 | */ | |
bf269551 CL |
6012 | static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6013 | struct nfs4_link_res *res) | |
1da177e4 | 6014 | { |
1da177e4 LT |
6015 | struct compound_hdr hdr; |
6016 | int status; | |
6c0195a4 | 6017 | |
bf269551 | 6018 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6019 | if (status) |
6020 | goto out; | |
bf269551 | 6021 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6022 | if (status) |
1da177e4 | 6023 | goto out; |
bf269551 CL |
6024 | status = decode_putfh(xdr); |
6025 | if (status) | |
1da177e4 | 6026 | goto out; |
bf269551 CL |
6027 | status = decode_savefh(xdr); |
6028 | if (status) | |
1da177e4 | 6029 | goto out; |
bf269551 CL |
6030 | status = decode_putfh(xdr); |
6031 | if (status) | |
1da177e4 | 6032 | goto out; |
bf269551 CL |
6033 | status = decode_link(xdr, &res->cinfo); |
6034 | if (status) | |
91ba2eee TM |
6035 | goto out; |
6036 | /* | |
6037 | * Note order: OP_LINK leaves the directory as the current | |
6038 | * filehandle. | |
6039 | */ | |
bf269551 CL |
6040 | status = decode_restorefh(xdr); |
6041 | if (status) | |
91ba2eee | 6042 | goto out; |
6926afd1 | 6043 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6044 | out: |
6045 | return status; | |
6046 | } | |
6047 | ||
6048 | /* | |
6049 | * Decode CREATE response | |
6050 | */ | |
bf269551 CL |
6051 | static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6052 | struct nfs4_create_res *res) | |
1da177e4 | 6053 | { |
1da177e4 LT |
6054 | struct compound_hdr hdr; |
6055 | int status; | |
6c0195a4 | 6056 | |
bf269551 | 6057 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6058 | if (status) |
6059 | goto out; | |
bf269551 | 6060 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6061 | if (status) |
1da177e4 | 6062 | goto out; |
bf269551 | 6063 | status = decode_putfh(xdr); |
bf269551 | 6064 | if (status) |
56ae19f3 | 6065 | goto out; |
bf269551 CL |
6066 | status = decode_create(xdr, &res->dir_cinfo); |
6067 | if (status) | |
1da177e4 | 6068 | goto out; |
bf269551 CL |
6069 | status = decode_getfh(xdr, res->fh); |
6070 | if (status) | |
1da177e4 | 6071 | goto out; |
7c317fcf | 6072 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6073 | out: |
6074 | return status; | |
6075 | } | |
6076 | ||
6077 | /* | |
6078 | * Decode SYMLINK response | |
6079 | */ | |
bf269551 CL |
6080 | static int nfs4_xdr_dec_symlink(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6081 | struct nfs4_create_res *res) | |
1da177e4 | 6082 | { |
bf269551 | 6083 | return nfs4_xdr_dec_create(rqstp, xdr, res); |
1da177e4 LT |
6084 | } |
6085 | ||
6086 | /* | |
6087 | * Decode GETATTR response | |
6088 | */ | |
bf269551 CL |
6089 | static int nfs4_xdr_dec_getattr(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6090 | struct nfs4_getattr_res *res) | |
1da177e4 | 6091 | { |
1da177e4 LT |
6092 | struct compound_hdr hdr; |
6093 | int status; | |
6c0195a4 | 6094 | |
bf269551 | 6095 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6096 | if (status) |
6097 | goto out; | |
bf269551 | 6098 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6099 | if (status) |
6100 | goto out; | |
bf269551 | 6101 | status = decode_putfh(xdr); |
1da177e4 LT |
6102 | if (status) |
6103 | goto out; | |
6926afd1 | 6104 | status = decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6105 | out: |
6106 | return status; | |
1da177e4 LT |
6107 | } |
6108 | ||
23ec6965 BF |
6109 | /* |
6110 | * Encode an SETACL request | |
6111 | */ | |
9f06c719 CL |
6112 | static void nfs4_xdr_enc_setacl(struct rpc_rqst *req, struct xdr_stream *xdr, |
6113 | struct nfs_setaclargs *args) | |
23ec6965 | 6114 | { |
05d564fe | 6115 | struct compound_hdr hdr = { |
66cc0429 | 6116 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 6117 | }; |
05d564fe | 6118 | |
9f06c719 CL |
6119 | encode_compound_hdr(xdr, req, &hdr); |
6120 | encode_sequence(xdr, &args->seq_args, &hdr); | |
6121 | encode_putfh(xdr, args->fh, &hdr); | |
6122 | encode_setacl(xdr, args, &hdr); | |
d017931c | 6123 | encode_nops(&hdr); |
23ec6965 | 6124 | } |
05d564fe | 6125 | |
23ec6965 BF |
6126 | /* |
6127 | * Decode SETACL response | |
6128 | */ | |
6129 | static int | |
bf269551 | 6130 | nfs4_xdr_dec_setacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
73c403a9 | 6131 | struct nfs_setaclres *res) |
23ec6965 | 6132 | { |
23ec6965 BF |
6133 | struct compound_hdr hdr; |
6134 | int status; | |
6135 | ||
bf269551 | 6136 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6137 | if (status) |
6138 | goto out; | |
bf269551 | 6139 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
23ec6965 BF |
6140 | if (status) |
6141 | goto out; | |
bf269551 | 6142 | status = decode_putfh(xdr); |
23ec6965 BF |
6143 | if (status) |
6144 | goto out; | |
bf269551 | 6145 | status = decode_setattr(xdr); |
23ec6965 BF |
6146 | out: |
6147 | return status; | |
6148 | } | |
1da177e4 | 6149 | |
029d105e BF |
6150 | /* |
6151 | * Decode GETACL response | |
6152 | */ | |
6153 | static int | |
bf269551 | 6154 | nfs4_xdr_dec_getacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
663c79b3 | 6155 | struct nfs_getaclres *res) |
029d105e | 6156 | { |
029d105e BF |
6157 | struct compound_hdr hdr; |
6158 | int status; | |
6159 | ||
331818f1 TM |
6160 | if (res->acl_scratch != NULL) { |
6161 | void *p = page_address(res->acl_scratch); | |
6162 | xdr_set_scratch_buffer(xdr, p, PAGE_SIZE); | |
6163 | } | |
bf269551 | 6164 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6165 | if (status) |
6166 | goto out; | |
bf269551 | 6167 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
029d105e BF |
6168 | if (status) |
6169 | goto out; | |
bf269551 | 6170 | status = decode_putfh(xdr); |
029d105e BF |
6171 | if (status) |
6172 | goto out; | |
bf118a34 | 6173 | status = decode_getacl(xdr, rqstp, res); |
029d105e BF |
6174 | |
6175 | out: | |
6176 | return status; | |
6177 | } | |
6178 | ||
1da177e4 LT |
6179 | /* |
6180 | * Decode CLOSE response | |
6181 | */ | |
bf269551 CL |
6182 | static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6183 | struct nfs_closeres *res) | |
1da177e4 | 6184 | { |
05d564fe AA |
6185 | struct compound_hdr hdr; |
6186 | int status; | |
6187 | ||
bf269551 | 6188 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6189 | if (status) |
6190 | goto out; | |
bf269551 | 6191 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6192 | if (status) |
6193 | goto out; | |
bf269551 | 6194 | status = decode_putfh(xdr); |
05d564fe AA |
6195 | if (status) |
6196 | goto out; | |
bf269551 | 6197 | status = decode_close(xdr, res); |
516a6af6 TM |
6198 | if (status != 0) |
6199 | goto out; | |
6200 | /* | |
6201 | * Note: Server may do delete on close for this file | |
6202 | * in which case the getattr call will fail with | |
6203 | * an ESTALE error. Shouldn't be a problem, | |
6204 | * though, since fattr->valid will remain unset. | |
6205 | */ | |
6926afd1 | 6206 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 | 6207 | out: |
05d564fe | 6208 | return status; |
1da177e4 LT |
6209 | } |
6210 | ||
6211 | /* | |
6212 | * Decode OPEN response | |
6213 | */ | |
bf269551 CL |
6214 | static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6215 | struct nfs_openres *res) | |
1da177e4 | 6216 | { |
05d564fe AA |
6217 | struct compound_hdr hdr; |
6218 | int status; | |
6219 | ||
bf269551 | 6220 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6221 | if (status) |
6222 | goto out; | |
bf269551 | 6223 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6224 | if (status) |
6225 | goto out; | |
bf269551 | 6226 | status = decode_putfh(xdr); |
05d564fe AA |
6227 | if (status) |
6228 | goto out; | |
bf269551 | 6229 | status = decode_open(xdr, res); |
56ae19f3 TM |
6230 | if (status) |
6231 | goto out; | |
01913b49 WAA |
6232 | status = decode_getfh(xdr, &res->fh); |
6233 | if (status) | |
1da177e4 | 6234 | goto out; |
ae2bb032 WAA |
6235 | if (res->access_request) |
6236 | decode_access(xdr, &res->access_supported, &res->access_result); | |
90ff0c54 | 6237 | decode_getfattr(xdr, res->f_attr, res->server); |
1da177e4 | 6238 | out: |
05d564fe | 6239 | return status; |
1da177e4 LT |
6240 | } |
6241 | ||
6242 | /* | |
6243 | * Decode OPEN_CONFIRM response | |
6244 | */ | |
bf269551 CL |
6245 | static int nfs4_xdr_dec_open_confirm(struct rpc_rqst *rqstp, |
6246 | struct xdr_stream *xdr, | |
6247 | struct nfs_open_confirmres *res) | |
1da177e4 | 6248 | { |
05d564fe AA |
6249 | struct compound_hdr hdr; |
6250 | int status; | |
6251 | ||
bf269551 | 6252 | status = decode_compound_hdr(xdr, &hdr); |
05d564fe AA |
6253 | if (status) |
6254 | goto out; | |
bf269551 | 6255 | status = decode_putfh(xdr); |
05d564fe AA |
6256 | if (status) |
6257 | goto out; | |
bf269551 | 6258 | status = decode_open_confirm(xdr, res); |
1da177e4 | 6259 | out: |
05d564fe | 6260 | return status; |
1da177e4 LT |
6261 | } |
6262 | ||
6263 | /* | |
6264 | * Decode OPEN response | |
6265 | */ | |
bf269551 CL |
6266 | static int nfs4_xdr_dec_open_noattr(struct rpc_rqst *rqstp, |
6267 | struct xdr_stream *xdr, | |
6268 | struct nfs_openres *res) | |
1da177e4 | 6269 | { |
05d564fe AA |
6270 | struct compound_hdr hdr; |
6271 | int status; | |
6272 | ||
bf269551 | 6273 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6274 | if (status) |
6275 | goto out; | |
bf269551 | 6276 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6277 | if (status) |
6278 | goto out; | |
bf269551 | 6279 | status = decode_putfh(xdr); |
05d564fe AA |
6280 | if (status) |
6281 | goto out; | |
bf269551 | 6282 | status = decode_open(xdr, res); |
05d564fe AA |
6283 | if (status) |
6284 | goto out; | |
ae2bb032 WAA |
6285 | if (res->access_request) |
6286 | decode_access(xdr, &res->access_supported, &res->access_result); | |
6926afd1 | 6287 | decode_getfattr(xdr, res->f_attr, res->server); |
1da177e4 | 6288 | out: |
05d564fe | 6289 | return status; |
1da177e4 LT |
6290 | } |
6291 | ||
6292 | /* | |
6293 | * Decode SETATTR response | |
6294 | */ | |
bf269551 CL |
6295 | static int nfs4_xdr_dec_setattr(struct rpc_rqst *rqstp, |
6296 | struct xdr_stream *xdr, | |
6297 | struct nfs_setattrres *res) | |
1da177e4 | 6298 | { |
05d564fe AA |
6299 | struct compound_hdr hdr; |
6300 | int status; | |
6301 | ||
bf269551 | 6302 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6303 | if (status) |
6304 | goto out; | |
bf269551 | 6305 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6306 | if (status) |
6307 | goto out; | |
bf269551 | 6308 | status = decode_putfh(xdr); |
05d564fe AA |
6309 | if (status) |
6310 | goto out; | |
bf269551 | 6311 | status = decode_setattr(xdr); |
05d564fe AA |
6312 | if (status) |
6313 | goto out; | |
6926afd1 | 6314 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 | 6315 | out: |
05d564fe | 6316 | return status; |
1da177e4 LT |
6317 | } |
6318 | ||
6319 | /* | |
6320 | * Decode LOCK response | |
6321 | */ | |
bf269551 CL |
6322 | static int nfs4_xdr_dec_lock(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6323 | struct nfs_lock_res *res) | |
1da177e4 | 6324 | { |
1da177e4 LT |
6325 | struct compound_hdr hdr; |
6326 | int status; | |
6327 | ||
bf269551 | 6328 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6329 | if (status) |
6330 | goto out; | |
bf269551 | 6331 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6332 | if (status) |
6333 | goto out; | |
bf269551 | 6334 | status = decode_putfh(xdr); |
1da177e4 LT |
6335 | if (status) |
6336 | goto out; | |
bf269551 | 6337 | status = decode_lock(xdr, res); |
1da177e4 LT |
6338 | out: |
6339 | return status; | |
6340 | } | |
6341 | ||
6342 | /* | |
6343 | * Decode LOCKT response | |
6344 | */ | |
bf269551 CL |
6345 | static int nfs4_xdr_dec_lockt(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6346 | struct nfs_lockt_res *res) | |
1da177e4 | 6347 | { |
1da177e4 LT |
6348 | struct compound_hdr hdr; |
6349 | int status; | |
6350 | ||
bf269551 | 6351 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6352 | if (status) |
6353 | goto out; | |
bf269551 | 6354 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6355 | if (status) |
6356 | goto out; | |
bf269551 | 6357 | status = decode_putfh(xdr); |
1da177e4 LT |
6358 | if (status) |
6359 | goto out; | |
bf269551 | 6360 | status = decode_lockt(xdr, res); |
1da177e4 LT |
6361 | out: |
6362 | return status; | |
6363 | } | |
6364 | ||
6365 | /* | |
6366 | * Decode LOCKU response | |
6367 | */ | |
bf269551 CL |
6368 | static int nfs4_xdr_dec_locku(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6369 | struct nfs_locku_res *res) | |
1da177e4 | 6370 | { |
1da177e4 LT |
6371 | struct compound_hdr hdr; |
6372 | int status; | |
6373 | ||
bf269551 | 6374 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6375 | if (status) |
6376 | goto out; | |
bf269551 | 6377 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6378 | if (status) |
6379 | goto out; | |
bf269551 | 6380 | status = decode_putfh(xdr); |
1da177e4 LT |
6381 | if (status) |
6382 | goto out; | |
bf269551 | 6383 | status = decode_locku(xdr, res); |
1da177e4 LT |
6384 | out: |
6385 | return status; | |
6386 | } | |
6387 | ||
bf269551 CL |
6388 | static int nfs4_xdr_dec_release_lockowner(struct rpc_rqst *rqstp, |
6389 | struct xdr_stream *xdr, void *dummy) | |
d3c7b7cc | 6390 | { |
d3c7b7cc TM |
6391 | struct compound_hdr hdr; |
6392 | int status; | |
6393 | ||
bf269551 | 6394 | status = decode_compound_hdr(xdr, &hdr); |
d3c7b7cc | 6395 | if (!status) |
bf269551 | 6396 | status = decode_release_lockowner(xdr); |
d3c7b7cc TM |
6397 | return status; |
6398 | } | |
6399 | ||
1da177e4 LT |
6400 | /* |
6401 | * Decode READLINK response | |
6402 | */ | |
bf269551 CL |
6403 | static int nfs4_xdr_dec_readlink(struct rpc_rqst *rqstp, |
6404 | struct xdr_stream *xdr, | |
f50c7000 | 6405 | struct nfs4_readlink_res *res) |
1da177e4 | 6406 | { |
1da177e4 LT |
6407 | struct compound_hdr hdr; |
6408 | int status; | |
6409 | ||
bf269551 | 6410 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6411 | if (status) |
6412 | goto out; | |
bf269551 | 6413 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6414 | if (status) |
6415 | goto out; | |
bf269551 | 6416 | status = decode_putfh(xdr); |
1da177e4 LT |
6417 | if (status) |
6418 | goto out; | |
bf269551 | 6419 | status = decode_readlink(xdr, rqstp); |
1da177e4 LT |
6420 | out: |
6421 | return status; | |
6422 | } | |
6423 | ||
6424 | /* | |
6425 | * Decode READDIR response | |
6426 | */ | |
bf269551 CL |
6427 | static int nfs4_xdr_dec_readdir(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6428 | struct nfs4_readdir_res *res) | |
1da177e4 | 6429 | { |
1da177e4 LT |
6430 | struct compound_hdr hdr; |
6431 | int status; | |
6432 | ||
bf269551 | 6433 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6434 | if (status) |
6435 | goto out; | |
bf269551 | 6436 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6437 | if (status) |
6438 | goto out; | |
bf269551 | 6439 | status = decode_putfh(xdr); |
1da177e4 LT |
6440 | if (status) |
6441 | goto out; | |
bf269551 | 6442 | status = decode_readdir(xdr, rqstp, res); |
1da177e4 LT |
6443 | out: |
6444 | return status; | |
6445 | } | |
6446 | ||
6447 | /* | |
6448 | * Decode Read response | |
6449 | */ | |
bf269551 CL |
6450 | static int nfs4_xdr_dec_read(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6451 | struct nfs_readres *res) | |
1da177e4 | 6452 | { |
1da177e4 LT |
6453 | struct compound_hdr hdr; |
6454 | int status; | |
6455 | ||
bf269551 | 6456 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6457 | if (status) |
6458 | goto out; | |
bf269551 | 6459 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6460 | if (status) |
6461 | goto out; | |
bf269551 | 6462 | status = decode_putfh(xdr); |
1da177e4 LT |
6463 | if (status) |
6464 | goto out; | |
bf269551 | 6465 | status = decode_read(xdr, rqstp, res); |
1da177e4 LT |
6466 | if (!status) |
6467 | status = res->count; | |
6468 | out: | |
6469 | return status; | |
6470 | } | |
6471 | ||
6472 | /* | |
6473 | * Decode WRITE response | |
6474 | */ | |
bf269551 CL |
6475 | static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6476 | struct nfs_writeres *res) | |
1da177e4 | 6477 | { |
1da177e4 LT |
6478 | struct compound_hdr hdr; |
6479 | int status; | |
6480 | ||
bf269551 | 6481 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6482 | if (status) |
6483 | goto out; | |
bf269551 | 6484 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6485 | if (status) |
6486 | goto out; | |
bf269551 | 6487 | status = decode_putfh(xdr); |
1da177e4 LT |
6488 | if (status) |
6489 | goto out; | |
bf269551 | 6490 | status = decode_write(xdr, res); |
4f9838c7 TM |
6491 | if (status) |
6492 | goto out; | |
7ffd1064 | 6493 | if (res->fattr) |
6926afd1 | 6494 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6495 | if (!status) |
6496 | status = res->count; | |
6497 | out: | |
6498 | return status; | |
6499 | } | |
6500 | ||
6501 | /* | |
6502 | * Decode COMMIT response | |
6503 | */ | |
bf269551 | 6504 | static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
0b7c0153 | 6505 | struct nfs_commitres *res) |
1da177e4 | 6506 | { |
1da177e4 LT |
6507 | struct compound_hdr hdr; |
6508 | int status; | |
6509 | ||
bf269551 | 6510 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6511 | if (status) |
6512 | goto out; | |
bf269551 | 6513 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6514 | if (status) |
6515 | goto out; | |
bf269551 | 6516 | status = decode_putfh(xdr); |
1da177e4 LT |
6517 | if (status) |
6518 | goto out; | |
bf269551 | 6519 | status = decode_commit(xdr, res); |
1da177e4 LT |
6520 | out: |
6521 | return status; | |
6522 | } | |
6523 | ||
6524 | /* | |
8b173218 | 6525 | * Decode FSINFO response |
1da177e4 | 6526 | */ |
bf269551 | 6527 | static int nfs4_xdr_dec_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, |
3dda5e43 | 6528 | struct nfs4_fsinfo_res *res) |
1da177e4 | 6529 | { |
1da177e4 LT |
6530 | struct compound_hdr hdr; |
6531 | int status; | |
6532 | ||
bf269551 | 6533 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6534 | if (!status) |
bf269551 | 6535 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6536 | if (!status) |
bf269551 | 6537 | status = decode_putfh(xdr); |
1da177e4 | 6538 | if (!status) |
bf269551 | 6539 | status = decode_fsinfo(xdr, res->fsinfo); |
1da177e4 LT |
6540 | return status; |
6541 | } | |
6542 | ||
6543 | /* | |
8b173218 | 6544 | * Decode PATHCONF response |
1da177e4 | 6545 | */ |
bf269551 | 6546 | static int nfs4_xdr_dec_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, |
d45b2989 | 6547 | struct nfs4_pathconf_res *res) |
1da177e4 | 6548 | { |
1da177e4 LT |
6549 | struct compound_hdr hdr; |
6550 | int status; | |
6551 | ||
bf269551 | 6552 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6553 | if (!status) |
bf269551 | 6554 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6555 | if (!status) |
bf269551 | 6556 | status = decode_putfh(xdr); |
1da177e4 | 6557 | if (!status) |
bf269551 | 6558 | status = decode_pathconf(xdr, res->pathconf); |
1da177e4 LT |
6559 | return status; |
6560 | } | |
6561 | ||
6562 | /* | |
8b173218 | 6563 | * Decode STATFS response |
1da177e4 | 6564 | */ |
bf269551 | 6565 | static int nfs4_xdr_dec_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, |
24ad148a | 6566 | struct nfs4_statfs_res *res) |
1da177e4 | 6567 | { |
1da177e4 LT |
6568 | struct compound_hdr hdr; |
6569 | int status; | |
6570 | ||
bf269551 | 6571 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6572 | if (!status) |
bf269551 | 6573 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6574 | if (!status) |
bf269551 | 6575 | status = decode_putfh(xdr); |
1da177e4 | 6576 | if (!status) |
bf269551 | 6577 | status = decode_statfs(xdr, res->fsstat); |
1da177e4 LT |
6578 | return status; |
6579 | } | |
6580 | ||
6581 | /* | |
8b173218 | 6582 | * Decode GETATTR_BITMAP response |
1da177e4 | 6583 | */ |
bf269551 CL |
6584 | static int nfs4_xdr_dec_server_caps(struct rpc_rqst *req, |
6585 | struct xdr_stream *xdr, | |
6586 | struct nfs4_server_caps_res *res) | |
1da177e4 | 6587 | { |
1da177e4 LT |
6588 | struct compound_hdr hdr; |
6589 | int status; | |
6590 | ||
bf269551 | 6591 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6592 | if (status) |
6593 | goto out; | |
bf269551 | 6594 | status = decode_sequence(xdr, &res->seq_res, req); |
9b7b9fcc | 6595 | if (status) |
1da177e4 | 6596 | goto out; |
bf269551 CL |
6597 | status = decode_putfh(xdr); |
6598 | if (status) | |
1da177e4 | 6599 | goto out; |
bf269551 | 6600 | status = decode_server_caps(xdr, res); |
1da177e4 LT |
6601 | out: |
6602 | return status; | |
6603 | } | |
6604 | ||
6605 | /* | |
6606 | * Decode RENEW response | |
6607 | */ | |
bf269551 CL |
6608 | static int nfs4_xdr_dec_renew(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6609 | void *__unused) | |
1da177e4 | 6610 | { |
1da177e4 LT |
6611 | struct compound_hdr hdr; |
6612 | int status; | |
6613 | ||
bf269551 | 6614 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6615 | if (!status) |
bf269551 | 6616 | status = decode_renew(xdr); |
1da177e4 LT |
6617 | return status; |
6618 | } | |
6619 | ||
6620 | /* | |
8b173218 | 6621 | * Decode SETCLIENTID response |
1da177e4 | 6622 | */ |
bf269551 CL |
6623 | static int nfs4_xdr_dec_setclientid(struct rpc_rqst *req, |
6624 | struct xdr_stream *xdr, | |
6625 | struct nfs4_setclientid_res *res) | |
1da177e4 | 6626 | { |
1da177e4 LT |
6627 | struct compound_hdr hdr; |
6628 | int status; | |
6629 | ||
bf269551 | 6630 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6631 | if (!status) |
bf269551 | 6632 | status = decode_setclientid(xdr, res); |
1da177e4 LT |
6633 | return status; |
6634 | } | |
6635 | ||
6636 | /* | |
8b173218 | 6637 | * Decode SETCLIENTID_CONFIRM response |
1da177e4 | 6638 | */ |
bf269551 | 6639 | static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst *req, |
83ca7f5a | 6640 | struct xdr_stream *xdr) |
1da177e4 | 6641 | { |
1da177e4 LT |
6642 | struct compound_hdr hdr; |
6643 | int status; | |
6644 | ||
bf269551 | 6645 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6646 | if (!status) |
bf269551 | 6647 | status = decode_setclientid_confirm(xdr); |
1da177e4 LT |
6648 | return status; |
6649 | } | |
6650 | ||
6651 | /* | |
8b173218 | 6652 | * Decode DELEGRETURN response |
1da177e4 | 6653 | */ |
bf269551 CL |
6654 | static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, |
6655 | struct xdr_stream *xdr, | |
6656 | struct nfs4_delegreturnres *res) | |
1da177e4 | 6657 | { |
1da177e4 LT |
6658 | struct compound_hdr hdr; |
6659 | int status; | |
6660 | ||
bf269551 | 6661 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6662 | if (status) |
6663 | goto out; | |
bf269551 | 6664 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6665 | if (status) |
fa178f29 | 6666 | goto out; |
bf269551 | 6667 | status = decode_putfh(xdr); |
fa178f29 TM |
6668 | if (status != 0) |
6669 | goto out; | |
e144cbcc | 6670 | status = decode_getfattr(xdr, res->fattr, res->server); |
556ae3bb JL |
6671 | if (status != 0) |
6672 | goto out; | |
e144cbcc | 6673 | status = decode_delegreturn(xdr); |
fa178f29 | 6674 | out: |
1da177e4 LT |
6675 | return status; |
6676 | } | |
6677 | ||
683b57b4 | 6678 | /* |
8b173218 | 6679 | * Decode FS_LOCATIONS response |
683b57b4 | 6680 | */ |
bf269551 CL |
6681 | static int nfs4_xdr_dec_fs_locations(struct rpc_rqst *req, |
6682 | struct xdr_stream *xdr, | |
22958463 | 6683 | struct nfs4_fs_locations_res *res) |
683b57b4 | 6684 | { |
683b57b4 TM |
6685 | struct compound_hdr hdr; |
6686 | int status; | |
6687 | ||
bf269551 | 6688 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6689 | if (status) |
6690 | goto out; | |
bf269551 | 6691 | status = decode_sequence(xdr, &res->seq_res, req); |
9b7b9fcc | 6692 | if (status) |
683b57b4 | 6693 | goto out; |
bf269551 CL |
6694 | status = decode_putfh(xdr); |
6695 | if (status) | |
683b57b4 | 6696 | goto out; |
bf269551 CL |
6697 | status = decode_lookup(xdr); |
6698 | if (status) | |
683b57b4 | 6699 | goto out; |
bf269551 | 6700 | xdr_enter_page(xdr, PAGE_SIZE); |
8b7e3f49 TM |
6701 | status = decode_getfattr_generic(xdr, &res->fs_locations->fattr, |
6702 | NULL, res->fs_locations, | |
6703 | res->fs_locations->server); | |
683b57b4 TM |
6704 | out: |
6705 | return status; | |
6706 | } | |
6707 | ||
5a5ea0d4 BS |
6708 | /* |
6709 | * Decode SECINFO response | |
6710 | */ | |
6711 | static int nfs4_xdr_dec_secinfo(struct rpc_rqst *rqstp, | |
6712 | struct xdr_stream *xdr, | |
6713 | struct nfs4_secinfo_res *res) | |
6714 | { | |
6715 | struct compound_hdr hdr; | |
6716 | int status; | |
6717 | ||
6718 | status = decode_compound_hdr(xdr, &hdr); | |
6719 | if (status) | |
6720 | goto out; | |
6721 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6722 | if (status) | |
6723 | goto out; | |
6724 | status = decode_putfh(xdr); | |
6725 | if (status) | |
6726 | goto out; | |
6727 | status = decode_secinfo(xdr, res); | |
5a5ea0d4 BS |
6728 | out: |
6729 | return status; | |
6730 | } | |
6731 | ||
99fe60d0 | 6732 | #if defined(CONFIG_NFS_V4_1) |
7c44f1ae WAA |
6733 | /* |
6734 | * Decode BIND_CONN_TO_SESSION response | |
6735 | */ | |
6736 | static int nfs4_xdr_dec_bind_conn_to_session(struct rpc_rqst *rqstp, | |
6737 | struct xdr_stream *xdr, | |
6738 | void *res) | |
6739 | { | |
6740 | struct compound_hdr hdr; | |
6741 | int status; | |
6742 | ||
6743 | status = decode_compound_hdr(xdr, &hdr); | |
6744 | if (!status) | |
6745 | status = decode_bind_conn_to_session(xdr, res); | |
6746 | return status; | |
6747 | } | |
6748 | ||
99fe60d0 | 6749 | /* |
8b173218 | 6750 | * Decode EXCHANGE_ID response |
99fe60d0 | 6751 | */ |
bf269551 CL |
6752 | static int nfs4_xdr_dec_exchange_id(struct rpc_rqst *rqstp, |
6753 | struct xdr_stream *xdr, | |
99fe60d0 BH |
6754 | void *res) |
6755 | { | |
99fe60d0 BH |
6756 | struct compound_hdr hdr; |
6757 | int status; | |
6758 | ||
bf269551 | 6759 | status = decode_compound_hdr(xdr, &hdr); |
99fe60d0 | 6760 | if (!status) |
bf269551 | 6761 | status = decode_exchange_id(xdr, res); |
99fe60d0 BH |
6762 | return status; |
6763 | } | |
2050f0cc | 6764 | |
fc931582 | 6765 | /* |
8b173218 | 6766 | * Decode CREATE_SESSION response |
fc931582 | 6767 | */ |
bf269551 CL |
6768 | static int nfs4_xdr_dec_create_session(struct rpc_rqst *rqstp, |
6769 | struct xdr_stream *xdr, | |
fc931582 AA |
6770 | struct nfs41_create_session_res *res) |
6771 | { | |
fc931582 AA |
6772 | struct compound_hdr hdr; |
6773 | int status; | |
6774 | ||
bf269551 | 6775 | status = decode_compound_hdr(xdr, &hdr); |
fc931582 | 6776 | if (!status) |
bf269551 | 6777 | status = decode_create_session(xdr, res); |
fc931582 AA |
6778 | return status; |
6779 | } | |
6780 | ||
0f3e66c6 | 6781 | /* |
8b173218 | 6782 | * Decode DESTROY_SESSION response |
0f3e66c6 | 6783 | */ |
bf269551 CL |
6784 | static int nfs4_xdr_dec_destroy_session(struct rpc_rqst *rqstp, |
6785 | struct xdr_stream *xdr, | |
6786 | void *res) | |
0f3e66c6 | 6787 | { |
0f3e66c6 AA |
6788 | struct compound_hdr hdr; |
6789 | int status; | |
6790 | ||
bf269551 | 6791 | status = decode_compound_hdr(xdr, &hdr); |
0f3e66c6 | 6792 | if (!status) |
bf269551 | 6793 | status = decode_destroy_session(xdr, res); |
0f3e66c6 AA |
6794 | return status; |
6795 | } | |
6796 | ||
66245539 TM |
6797 | /* |
6798 | * Decode DESTROY_CLIENTID response | |
6799 | */ | |
6800 | static int nfs4_xdr_dec_destroy_clientid(struct rpc_rqst *rqstp, | |
6801 | struct xdr_stream *xdr, | |
6802 | void *res) | |
6803 | { | |
6804 | struct compound_hdr hdr; | |
6805 | int status; | |
6806 | ||
6807 | status = decode_compound_hdr(xdr, &hdr); | |
6808 | if (!status) | |
6809 | status = decode_destroy_clientid(xdr, res); | |
6810 | return status; | |
6811 | } | |
6812 | ||
fc01cea9 | 6813 | /* |
8b173218 | 6814 | * Decode SEQUENCE response |
fc01cea9 | 6815 | */ |
bf269551 CL |
6816 | static int nfs4_xdr_dec_sequence(struct rpc_rqst *rqstp, |
6817 | struct xdr_stream *xdr, | |
fc01cea9 AA |
6818 | struct nfs4_sequence_res *res) |
6819 | { | |
fc01cea9 AA |
6820 | struct compound_hdr hdr; |
6821 | int status; | |
6822 | ||
bf269551 | 6823 | status = decode_compound_hdr(xdr, &hdr); |
fc01cea9 | 6824 | if (!status) |
bf269551 | 6825 | status = decode_sequence(xdr, res, rqstp); |
fc01cea9 AA |
6826 | return status; |
6827 | } | |
6828 | ||
2050f0cc | 6829 | /* |
8b173218 | 6830 | * Decode GET_LEASE_TIME response |
2050f0cc | 6831 | */ |
bf269551 CL |
6832 | static int nfs4_xdr_dec_get_lease_time(struct rpc_rqst *rqstp, |
6833 | struct xdr_stream *xdr, | |
2050f0cc AA |
6834 | struct nfs4_get_lease_time_res *res) |
6835 | { | |
2050f0cc AA |
6836 | struct compound_hdr hdr; |
6837 | int status; | |
6838 | ||
bf269551 | 6839 | status = decode_compound_hdr(xdr, &hdr); |
2050f0cc | 6840 | if (!status) |
bf269551 | 6841 | status = decode_sequence(xdr, &res->lr_seq_res, rqstp); |
2050f0cc | 6842 | if (!status) |
bf269551 | 6843 | status = decode_putrootfh(xdr); |
2050f0cc | 6844 | if (!status) |
bf269551 | 6845 | status = decode_fsinfo(xdr, res->lr_fsinfo); |
2050f0cc AA |
6846 | return status; |
6847 | } | |
18019753 RL |
6848 | |
6849 | /* | |
6850 | * Decode RECLAIM_COMPLETE response | |
6851 | */ | |
bf269551 CL |
6852 | static int nfs4_xdr_dec_reclaim_complete(struct rpc_rqst *rqstp, |
6853 | struct xdr_stream *xdr, | |
18019753 RL |
6854 | struct nfs41_reclaim_complete_res *res) |
6855 | { | |
18019753 RL |
6856 | struct compound_hdr hdr; |
6857 | int status; | |
6858 | ||
bf269551 | 6859 | status = decode_compound_hdr(xdr, &hdr); |
18019753 | 6860 | if (!status) |
bf269551 | 6861 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
18019753 | 6862 | if (!status) |
bf269551 | 6863 | status = decode_reclaim_complete(xdr, (void *)NULL); |
18019753 RL |
6864 | return status; |
6865 | } | |
b1f69b75 | 6866 | |
7f11d8d3 AA |
6867 | /* |
6868 | * Decode GETDEVICELIST response | |
6869 | */ | |
6870 | static int nfs4_xdr_dec_getdevicelist(struct rpc_rqst *rqstp, | |
6871 | struct xdr_stream *xdr, | |
6872 | struct nfs4_getdevicelist_res *res) | |
6873 | { | |
6874 | struct compound_hdr hdr; | |
6875 | int status; | |
6876 | ||
6877 | dprintk("encoding getdevicelist!\n"); | |
6878 | ||
6879 | status = decode_compound_hdr(xdr, &hdr); | |
6880 | if (status != 0) | |
6881 | goto out; | |
6882 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6883 | if (status != 0) | |
6884 | goto out; | |
6885 | status = decode_putfh(xdr); | |
6886 | if (status != 0) | |
6887 | goto out; | |
6888 | status = decode_getdevicelist(xdr, res->devlist); | |
6889 | out: | |
6890 | return status; | |
6891 | } | |
6892 | ||
b1f69b75 AA |
6893 | /* |
6894 | * Decode GETDEVINFO response | |
6895 | */ | |
bf269551 CL |
6896 | static int nfs4_xdr_dec_getdeviceinfo(struct rpc_rqst *rqstp, |
6897 | struct xdr_stream *xdr, | |
b1f69b75 AA |
6898 | struct nfs4_getdeviceinfo_res *res) |
6899 | { | |
b1f69b75 AA |
6900 | struct compound_hdr hdr; |
6901 | int status; | |
6902 | ||
bf269551 | 6903 | status = decode_compound_hdr(xdr, &hdr); |
b1f69b75 AA |
6904 | if (status != 0) |
6905 | goto out; | |
bf269551 | 6906 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
b1f69b75 AA |
6907 | if (status != 0) |
6908 | goto out; | |
bf269551 | 6909 | status = decode_getdeviceinfo(xdr, res->pdev); |
b1f69b75 AA |
6910 | out: |
6911 | return status; | |
6912 | } | |
6913 | ||
6914 | /* | |
6915 | * Decode LAYOUTGET response | |
6916 | */ | |
bf269551 CL |
6917 | static int nfs4_xdr_dec_layoutget(struct rpc_rqst *rqstp, |
6918 | struct xdr_stream *xdr, | |
b1f69b75 AA |
6919 | struct nfs4_layoutget_res *res) |
6920 | { | |
b1f69b75 AA |
6921 | struct compound_hdr hdr; |
6922 | int status; | |
6923 | ||
bf269551 | 6924 | status = decode_compound_hdr(xdr, &hdr); |
b1f69b75 AA |
6925 | if (status) |
6926 | goto out; | |
bf269551 | 6927 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
b1f69b75 AA |
6928 | if (status) |
6929 | goto out; | |
bf269551 | 6930 | status = decode_putfh(xdr); |
b1f69b75 AA |
6931 | if (status) |
6932 | goto out; | |
bf269551 | 6933 | status = decode_layoutget(xdr, rqstp, res); |
b1f69b75 AA |
6934 | out: |
6935 | return status; | |
6936 | } | |
863a3c6c | 6937 | |
cbe82603 BH |
6938 | /* |
6939 | * Decode LAYOUTRETURN response | |
6940 | */ | |
6941 | static int nfs4_xdr_dec_layoutreturn(struct rpc_rqst *rqstp, | |
6942 | struct xdr_stream *xdr, | |
6943 | struct nfs4_layoutreturn_res *res) | |
6944 | { | |
6945 | struct compound_hdr hdr; | |
6946 | int status; | |
6947 | ||
6948 | status = decode_compound_hdr(xdr, &hdr); | |
6949 | if (status) | |
6950 | goto out; | |
6951 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6952 | if (status) | |
6953 | goto out; | |
6954 | status = decode_putfh(xdr); | |
6955 | if (status) | |
6956 | goto out; | |
6957 | status = decode_layoutreturn(xdr, res); | |
6958 | out: | |
6959 | return status; | |
6960 | } | |
6961 | ||
863a3c6c AA |
6962 | /* |
6963 | * Decode LAYOUTCOMMIT response | |
6964 | */ | |
6965 | static int nfs4_xdr_dec_layoutcommit(struct rpc_rqst *rqstp, | |
6966 | struct xdr_stream *xdr, | |
6967 | struct nfs4_layoutcommit_res *res) | |
6968 | { | |
6969 | struct compound_hdr hdr; | |
6970 | int status; | |
6971 | ||
6972 | status = decode_compound_hdr(xdr, &hdr); | |
6973 | if (status) | |
6974 | goto out; | |
6975 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6976 | if (status) | |
6977 | goto out; | |
6978 | status = decode_putfh(xdr); | |
6979 | if (status) | |
6980 | goto out; | |
6981 | status = decode_layoutcommit(xdr, rqstp, res); | |
6982 | if (status) | |
6983 | goto out; | |
6926afd1 | 6984 | decode_getfattr(xdr, res->fattr, res->server); |
863a3c6c AA |
6985 | out: |
6986 | return status; | |
6987 | } | |
fca78d6d BS |
6988 | |
6989 | /* | |
6990 | * Decode SECINFO_NO_NAME response | |
6991 | */ | |
6992 | static int nfs4_xdr_dec_secinfo_no_name(struct rpc_rqst *rqstp, | |
6993 | struct xdr_stream *xdr, | |
6994 | struct nfs4_secinfo_res *res) | |
6995 | { | |
6996 | struct compound_hdr hdr; | |
6997 | int status; | |
6998 | ||
6999 | status = decode_compound_hdr(xdr, &hdr); | |
7000 | if (status) | |
7001 | goto out; | |
7002 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7003 | if (status) | |
7004 | goto out; | |
7005 | status = decode_putrootfh(xdr); | |
7006 | if (status) | |
7007 | goto out; | |
31e4dda4 | 7008 | status = decode_secinfo_no_name(xdr, res); |
fca78d6d BS |
7009 | out: |
7010 | return status; | |
7011 | } | |
7d974794 BS |
7012 | |
7013 | /* | |
7014 | * Decode TEST_STATEID response | |
7015 | */ | |
7016 | static int nfs4_xdr_dec_test_stateid(struct rpc_rqst *rqstp, | |
7017 | struct xdr_stream *xdr, | |
7018 | struct nfs41_test_stateid_res *res) | |
7019 | { | |
7020 | struct compound_hdr hdr; | |
7021 | int status; | |
7022 | ||
7023 | status = decode_compound_hdr(xdr, &hdr); | |
7024 | if (status) | |
7025 | goto out; | |
7026 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7027 | if (status) | |
7028 | goto out; | |
7029 | status = decode_test_stateid(xdr, res); | |
7030 | out: | |
7031 | return status; | |
7032 | } | |
9aeda35f BS |
7033 | |
7034 | /* | |
7035 | * Decode FREE_STATEID response | |
7036 | */ | |
7037 | static int nfs4_xdr_dec_free_stateid(struct rpc_rqst *rqstp, | |
7038 | struct xdr_stream *xdr, | |
7039 | struct nfs41_free_stateid_res *res) | |
7040 | { | |
7041 | struct compound_hdr hdr; | |
7042 | int status; | |
7043 | ||
7044 | status = decode_compound_hdr(xdr, &hdr); | |
7045 | if (status) | |
7046 | goto out; | |
7047 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7048 | if (status) | |
7049 | goto out; | |
7050 | status = decode_free_stateid(xdr, res); | |
7051 | out: | |
7052 | return status; | |
7053 | } | |
99fe60d0 BH |
7054 | #endif /* CONFIG_NFS_V4_1 */ |
7055 | ||
573c4e1e CL |
7056 | /** |
7057 | * nfs4_decode_dirent - Decode a single NFSv4 directory entry stored in | |
7058 | * the local page cache. | |
7059 | * @xdr: XDR stream where entry resides | |
7060 | * @entry: buffer to fill in with entry data | |
7061 | * @plus: boolean indicating whether this should be a readdirplus entry | |
7062 | * | |
7063 | * Returns zero if successful, otherwise a negative errno value is | |
7064 | * returned. | |
7065 | * | |
7066 | * This function is not invoked during READDIR reply decoding, but | |
7067 | * rather whenever an application invokes the getdents(2) system call | |
7068 | * on a directory already in our cache. | |
7069 | */ | |
7070 | int nfs4_decode_dirent(struct xdr_stream *xdr, struct nfs_entry *entry, | |
7071 | int plus) | |
1da177e4 | 7072 | { |
256e48bb | 7073 | unsigned int savep; |
dae100c2 | 7074 | uint32_t bitmap[3] = {0}; |
1da177e4 | 7075 | uint32_t len; |
babddc72 BS |
7076 | __be32 *p = xdr_inline_decode(xdr, 4); |
7077 | if (unlikely(!p)) | |
7078 | goto out_overflow; | |
c08e76d0 | 7079 | if (*p == xdr_zero) { |
babddc72 BS |
7080 | p = xdr_inline_decode(xdr, 4); |
7081 | if (unlikely(!p)) | |
7082 | goto out_overflow; | |
c08e76d0 | 7083 | if (*p == xdr_zero) |
573c4e1e | 7084 | return -EAGAIN; |
1da177e4 | 7085 | entry->eof = 1; |
573c4e1e | 7086 | return -EBADCOOKIE; |
1da177e4 LT |
7087 | } |
7088 | ||
babddc72 BS |
7089 | p = xdr_inline_decode(xdr, 12); |
7090 | if (unlikely(!p)) | |
7091 | goto out_overflow; | |
1da177e4 LT |
7092 | entry->prev_cookie = entry->cookie; |
7093 | p = xdr_decode_hyper(p, &entry->cookie); | |
c08e76d0 | 7094 | entry->len = be32_to_cpup(p); |
babddc72 | 7095 | |
9af8c222 | 7096 | p = xdr_inline_decode(xdr, entry->len); |
babddc72 BS |
7097 | if (unlikely(!p)) |
7098 | goto out_overflow; | |
1da177e4 | 7099 | entry->name = (const char *) p; |
1da177e4 LT |
7100 | |
7101 | /* | |
7102 | * In case the server doesn't return an inode number, | |
7103 | * we fake one here. (We don't use inode number 0, | |
7104 | * since glibc seems to choke on it...) | |
7105 | */ | |
7106 | entry->ino = 1; | |
4f082222 | 7107 | entry->fattr->valid = 0; |
1da177e4 | 7108 | |
9af8c222 TM |
7109 | if (decode_attr_bitmap(xdr, bitmap) < 0) |
7110 | goto out_overflow; | |
7111 | ||
256e48bb | 7112 | if (decode_attr_length(xdr, &len, &savep) < 0) |
9af8c222 TM |
7113 | goto out_overflow; |
7114 | ||
573c4e1e | 7115 | if (decode_getfattr_attrs(xdr, bitmap, entry->fattr, entry->fh, |
8b7e3f49 | 7116 | NULL, entry->server) < 0) |
9af8c222 | 7117 | goto out_overflow; |
28331a46 TM |
7118 | if (entry->fattr->valid & NFS_ATTR_FATTR_MOUNTED_ON_FILEID) |
7119 | entry->ino = entry->fattr->mounted_on_fileid; | |
7120 | else if (entry->fattr->valid & NFS_ATTR_FATTR_FILEID) | |
9af8c222 TM |
7121 | entry->ino = entry->fattr->fileid; |
7122 | ||
0b26a0bf TM |
7123 | entry->d_type = DT_UNKNOWN; |
7124 | if (entry->fattr->valid & NFS_ATTR_FATTR_TYPE) | |
7125 | entry->d_type = nfs_umode_to_dtype(entry->fattr->mode); | |
7126 | ||
573c4e1e | 7127 | return 0; |
babddc72 BS |
7128 | |
7129 | out_overflow: | |
7130 | print_overflow_msg(__func__, xdr); | |
573c4e1e | 7131 | return -EAGAIN; |
1da177e4 LT |
7132 | } |
7133 | ||
7134 | /* | |
7135 | * We need to translate between nfs status return values and | |
7136 | * the local errno values which may not be the same. | |
7137 | */ | |
7138 | static struct { | |
7139 | int stat; | |
7140 | int errno; | |
7141 | } nfs_errtbl[] = { | |
7142 | { NFS4_OK, 0 }, | |
856dff3d BH |
7143 | { NFS4ERR_PERM, -EPERM }, |
7144 | { NFS4ERR_NOENT, -ENOENT }, | |
7145 | { NFS4ERR_IO, -errno_NFSERR_IO}, | |
7146 | { NFS4ERR_NXIO, -ENXIO }, | |
7147 | { NFS4ERR_ACCESS, -EACCES }, | |
7148 | { NFS4ERR_EXIST, -EEXIST }, | |
7149 | { NFS4ERR_XDEV, -EXDEV }, | |
7150 | { NFS4ERR_NOTDIR, -ENOTDIR }, | |
7151 | { NFS4ERR_ISDIR, -EISDIR }, | |
7152 | { NFS4ERR_INVAL, -EINVAL }, | |
7153 | { NFS4ERR_FBIG, -EFBIG }, | |
7154 | { NFS4ERR_NOSPC, -ENOSPC }, | |
7155 | { NFS4ERR_ROFS, -EROFS }, | |
7156 | { NFS4ERR_MLINK, -EMLINK }, | |
7157 | { NFS4ERR_NAMETOOLONG, -ENAMETOOLONG }, | |
7158 | { NFS4ERR_NOTEMPTY, -ENOTEMPTY }, | |
7159 | { NFS4ERR_DQUOT, -EDQUOT }, | |
7160 | { NFS4ERR_STALE, -ESTALE }, | |
7161 | { NFS4ERR_BADHANDLE, -EBADHANDLE }, | |
856dff3d BH |
7162 | { NFS4ERR_BAD_COOKIE, -EBADCOOKIE }, |
7163 | { NFS4ERR_NOTSUPP, -ENOTSUPP }, | |
7164 | { NFS4ERR_TOOSMALL, -ETOOSMALL }, | |
fdcb4577 | 7165 | { NFS4ERR_SERVERFAULT, -EREMOTEIO }, |
856dff3d BH |
7166 | { NFS4ERR_BADTYPE, -EBADTYPE }, |
7167 | { NFS4ERR_LOCKED, -EAGAIN }, | |
856dff3d BH |
7168 | { NFS4ERR_SYMLINK, -ELOOP }, |
7169 | { NFS4ERR_OP_ILLEGAL, -EOPNOTSUPP }, | |
7170 | { NFS4ERR_DEADLOCK, -EDEADLK }, | |
856dff3d | 7171 | { -1, -EIO } |
1da177e4 LT |
7172 | }; |
7173 | ||
7174 | /* | |
7175 | * Convert an NFS error code to a local one. | |
7176 | * This one is used jointly by NFSv2 and NFSv3. | |
7177 | */ | |
7178 | static int | |
0a8ea437 | 7179 | nfs4_stat_to_errno(int stat) |
1da177e4 LT |
7180 | { |
7181 | int i; | |
7182 | for (i = 0; nfs_errtbl[i].stat != -1; i++) { | |
7183 | if (nfs_errtbl[i].stat == stat) | |
7184 | return nfs_errtbl[i].errno; | |
7185 | } | |
7186 | if (stat <= 10000 || stat > 10100) { | |
7187 | /* The server is looney tunes. */ | |
fdcb4577 | 7188 | return -EREMOTEIO; |
1da177e4 LT |
7189 | } |
7190 | /* If we cannot translate the error, the recovery routines should | |
7191 | * handle it. | |
7192 | * Note: remaining NFSv4 error codes have values > 10000, so should | |
7193 | * not conflict with native Linux error codes. | |
7194 | */ | |
856dff3d | 7195 | return -stat; |
1da177e4 LT |
7196 | } |
7197 | ||
1da177e4 LT |
7198 | #define PROC(proc, argtype, restype) \ |
7199 | [NFSPROC4_CLNT_##proc] = { \ | |
7200 | .p_proc = NFSPROC4_COMPOUND, \ | |
9f06c719 | 7201 | .p_encode = (kxdreproc_t)nfs4_xdr_##argtype, \ |
bf269551 | 7202 | .p_decode = (kxdrdproc_t)nfs4_xdr_##restype, \ |
2bea90d4 CL |
7203 | .p_arglen = NFS4_##argtype##_sz, \ |
7204 | .p_replen = NFS4_##restype##_sz, \ | |
cc0175c1 CL |
7205 | .p_statidx = NFSPROC4_CLNT_##proc, \ |
7206 | .p_name = #proc, \ | |
05d564fe | 7207 | } |
1da177e4 LT |
7208 | |
7209 | struct rpc_procinfo nfs4_procedures[] = { | |
7d93bd71 CL |
7210 | PROC(READ, enc_read, dec_read), |
7211 | PROC(WRITE, enc_write, dec_write), | |
7212 | PROC(COMMIT, enc_commit, dec_commit), | |
7213 | PROC(OPEN, enc_open, dec_open), | |
7214 | PROC(OPEN_CONFIRM, enc_open_confirm, dec_open_confirm), | |
7215 | PROC(OPEN_NOATTR, enc_open_noattr, dec_open_noattr), | |
7216 | PROC(OPEN_DOWNGRADE, enc_open_downgrade, dec_open_downgrade), | |
7217 | PROC(CLOSE, enc_close, dec_close), | |
7218 | PROC(SETATTR, enc_setattr, dec_setattr), | |
7219 | PROC(FSINFO, enc_fsinfo, dec_fsinfo), | |
7220 | PROC(RENEW, enc_renew, dec_renew), | |
7221 | PROC(SETCLIENTID, enc_setclientid, dec_setclientid), | |
7222 | PROC(SETCLIENTID_CONFIRM, enc_setclientid_confirm, dec_setclientid_confirm), | |
7223 | PROC(LOCK, enc_lock, dec_lock), | |
7224 | PROC(LOCKT, enc_lockt, dec_lockt), | |
7225 | PROC(LOCKU, enc_locku, dec_locku), | |
7226 | PROC(ACCESS, enc_access, dec_access), | |
7227 | PROC(GETATTR, enc_getattr, dec_getattr), | |
7228 | PROC(LOOKUP, enc_lookup, dec_lookup), | |
7229 | PROC(LOOKUP_ROOT, enc_lookup_root, dec_lookup_root), | |
7230 | PROC(REMOVE, enc_remove, dec_remove), | |
7231 | PROC(RENAME, enc_rename, dec_rename), | |
7232 | PROC(LINK, enc_link, dec_link), | |
7233 | PROC(SYMLINK, enc_symlink, dec_symlink), | |
7234 | PROC(CREATE, enc_create, dec_create), | |
7235 | PROC(PATHCONF, enc_pathconf, dec_pathconf), | |
7236 | PROC(STATFS, enc_statfs, dec_statfs), | |
7237 | PROC(READLINK, enc_readlink, dec_readlink), | |
7238 | PROC(READDIR, enc_readdir, dec_readdir), | |
7239 | PROC(SERVER_CAPS, enc_server_caps, dec_server_caps), | |
7240 | PROC(DELEGRETURN, enc_delegreturn, dec_delegreturn), | |
7241 | PROC(GETACL, enc_getacl, dec_getacl), | |
7242 | PROC(SETACL, enc_setacl, dec_setacl), | |
7243 | PROC(FS_LOCATIONS, enc_fs_locations, dec_fs_locations), | |
7244 | PROC(RELEASE_LOCKOWNER, enc_release_lockowner, dec_release_lockowner), | |
5a5ea0d4 | 7245 | PROC(SECINFO, enc_secinfo, dec_secinfo), |
99fe60d0 | 7246 | #if defined(CONFIG_NFS_V4_1) |
7d93bd71 CL |
7247 | PROC(EXCHANGE_ID, enc_exchange_id, dec_exchange_id), |
7248 | PROC(CREATE_SESSION, enc_create_session, dec_create_session), | |
7249 | PROC(DESTROY_SESSION, enc_destroy_session, dec_destroy_session), | |
7250 | PROC(SEQUENCE, enc_sequence, dec_sequence), | |
7251 | PROC(GET_LEASE_TIME, enc_get_lease_time, dec_get_lease_time), | |
7252 | PROC(RECLAIM_COMPLETE, enc_reclaim_complete, dec_reclaim_complete), | |
7253 | PROC(GETDEVICEINFO, enc_getdeviceinfo, dec_getdeviceinfo), | |
7254 | PROC(LAYOUTGET, enc_layoutget, dec_layoutget), | |
863a3c6c | 7255 | PROC(LAYOUTCOMMIT, enc_layoutcommit, dec_layoutcommit), |
cbe82603 | 7256 | PROC(LAYOUTRETURN, enc_layoutreturn, dec_layoutreturn), |
fca78d6d | 7257 | PROC(SECINFO_NO_NAME, enc_secinfo_no_name, dec_secinfo_no_name), |
7d974794 | 7258 | PROC(TEST_STATEID, enc_test_stateid, dec_test_stateid), |
9aeda35f | 7259 | PROC(FREE_STATEID, enc_free_stateid, dec_free_stateid), |
7f11d8d3 | 7260 | PROC(GETDEVICELIST, enc_getdevicelist, dec_getdevicelist), |
ad24ecfb TM |
7261 | PROC(BIND_CONN_TO_SESSION, |
7262 | enc_bind_conn_to_session, dec_bind_conn_to_session), | |
66245539 | 7263 | PROC(DESTROY_CLIENTID, enc_destroy_clientid, dec_destroy_clientid), |
99fe60d0 | 7264 | #endif /* CONFIG_NFS_V4_1 */ |
1da177e4 LT |
7265 | }; |
7266 | ||
a613fa16 | 7267 | const struct rpc_version nfs_version4 = { |
1da177e4 | 7268 | .number = 4, |
e8c96f8c | 7269 | .nrprocs = ARRAY_SIZE(nfs4_procedures), |
1da177e4 LT |
7270 | .procs = nfs4_procedures |
7271 | }; | |
7272 | ||
7273 | /* | |
7274 | * Local variables: | |
7275 | * c-basic-offset: 8 | |
7276 | * End: | |
7277 | */ |