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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 + \ | |
533 | encode_setclientid_confirm_maxsz + \ | |
534 | encode_putrootfh_maxsz + \ | |
535 | encode_fsinfo_maxsz) | |
536 | #define NFS4_dec_setclientid_confirm_sz \ | |
537 | (compound_decode_hdr_maxsz + \ | |
538 | decode_setclientid_confirm_maxsz + \ | |
539 | decode_putrootfh_maxsz + \ | |
540 | decode_fsinfo_maxsz) | |
541 | #define NFS4_enc_lock_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 542 | encode_sequence_maxsz + \ |
1da177e4 | 543 | encode_putfh_maxsz + \ |
9104a55d | 544 | encode_lock_maxsz) |
1da177e4 | 545 | #define NFS4_dec_lock_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 546 | decode_sequence_maxsz + \ |
1da177e4 | 547 | decode_putfh_maxsz + \ |
9104a55d | 548 | decode_lock_maxsz) |
1da177e4 | 549 | #define NFS4_enc_lockt_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 550 | encode_sequence_maxsz + \ |
1da177e4 | 551 | encode_putfh_maxsz + \ |
9104a55d TM |
552 | encode_lockt_maxsz) |
553 | #define NFS4_dec_lockt_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 554 | decode_sequence_maxsz + \ |
9104a55d TM |
555 | decode_putfh_maxsz + \ |
556 | decode_lockt_maxsz) | |
1da177e4 | 557 | #define NFS4_enc_locku_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 558 | encode_sequence_maxsz + \ |
1da177e4 | 559 | encode_putfh_maxsz + \ |
9104a55d | 560 | encode_locku_maxsz) |
1da177e4 | 561 | #define NFS4_dec_locku_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 562 | decode_sequence_maxsz + \ |
1da177e4 | 563 | decode_putfh_maxsz + \ |
9104a55d | 564 | decode_locku_maxsz) |
d3c7b7cc TM |
565 | #define NFS4_enc_release_lockowner_sz \ |
566 | (compound_encode_hdr_maxsz + \ | |
567 | encode_lockowner_maxsz) | |
568 | #define NFS4_dec_release_lockowner_sz \ | |
569 | (compound_decode_hdr_maxsz + \ | |
570 | decode_lockowner_maxsz) | |
1da177e4 | 571 | #define NFS4_enc_access_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 572 | encode_sequence_maxsz + \ |
1da177e4 | 573 | encode_putfh_maxsz + \ |
76b32999 TM |
574 | encode_access_maxsz + \ |
575 | encode_getattr_maxsz) | |
1da177e4 | 576 | #define NFS4_dec_access_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 577 | decode_sequence_maxsz + \ |
1da177e4 | 578 | decode_putfh_maxsz + \ |
76b32999 TM |
579 | decode_access_maxsz + \ |
580 | decode_getattr_maxsz) | |
1da177e4 | 581 | #define NFS4_enc_getattr_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 582 | encode_sequence_maxsz + \ |
1da177e4 LT |
583 | encode_putfh_maxsz + \ |
584 | encode_getattr_maxsz) | |
585 | #define NFS4_dec_getattr_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 586 | decode_sequence_maxsz + \ |
1da177e4 LT |
587 | decode_putfh_maxsz + \ |
588 | decode_getattr_maxsz) | |
589 | #define NFS4_enc_lookup_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 590 | encode_sequence_maxsz + \ |
1da177e4 LT |
591 | encode_putfh_maxsz + \ |
592 | encode_lookup_maxsz + \ | |
593 | encode_getattr_maxsz + \ | |
594 | encode_getfh_maxsz) | |
595 | #define NFS4_dec_lookup_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 596 | decode_sequence_maxsz + \ |
1da177e4 | 597 | decode_putfh_maxsz + \ |
e6889620 | 598 | decode_lookup_maxsz + \ |
1da177e4 LT |
599 | decode_getattr_maxsz + \ |
600 | decode_getfh_maxsz) | |
601 | #define NFS4_enc_lookup_root_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 602 | encode_sequence_maxsz + \ |
1da177e4 LT |
603 | encode_putrootfh_maxsz + \ |
604 | encode_getattr_maxsz + \ | |
605 | encode_getfh_maxsz) | |
606 | #define NFS4_dec_lookup_root_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 607 | decode_sequence_maxsz + \ |
1da177e4 LT |
608 | decode_putrootfh_maxsz + \ |
609 | decode_getattr_maxsz + \ | |
610 | decode_getfh_maxsz) | |
611 | #define NFS4_enc_remove_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 612 | encode_sequence_maxsz + \ |
1da177e4 | 613 | encode_putfh_maxsz + \ |
778d2817 | 614 | encode_remove_maxsz) |
1da177e4 | 615 | #define NFS4_dec_remove_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 616 | decode_sequence_maxsz + \ |
1da177e4 | 617 | decode_putfh_maxsz + \ |
778d2817 | 618 | decode_remove_maxsz) |
1da177e4 | 619 | #define NFS4_enc_rename_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 620 | encode_sequence_maxsz + \ |
1da177e4 LT |
621 | encode_putfh_maxsz + \ |
622 | encode_savefh_maxsz + \ | |
623 | encode_putfh_maxsz + \ | |
778d2817 | 624 | encode_rename_maxsz) |
1da177e4 | 625 | #define NFS4_dec_rename_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 626 | decode_sequence_maxsz + \ |
1da177e4 LT |
627 | decode_putfh_maxsz + \ |
628 | decode_savefh_maxsz + \ | |
629 | decode_putfh_maxsz + \ | |
778d2817 | 630 | decode_rename_maxsz) |
1da177e4 | 631 | #define NFS4_enc_link_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 632 | encode_sequence_maxsz + \ |
1da177e4 LT |
633 | encode_putfh_maxsz + \ |
634 | encode_savefh_maxsz + \ | |
635 | encode_putfh_maxsz + \ | |
91ba2eee | 636 | encode_link_maxsz + \ |
91ba2eee | 637 | encode_restorefh_maxsz + \ |
a9f6991b | 638 | encode_getattr_maxsz) |
1da177e4 | 639 | #define NFS4_dec_link_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 640 | decode_sequence_maxsz + \ |
1da177e4 LT |
641 | decode_putfh_maxsz + \ |
642 | decode_savefh_maxsz + \ | |
643 | decode_putfh_maxsz + \ | |
91ba2eee | 644 | decode_link_maxsz + \ |
91ba2eee TM |
645 | decode_restorefh_maxsz + \ |
646 | decode_getattr_maxsz) | |
1da177e4 | 647 | #define NFS4_enc_symlink_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 648 | encode_sequence_maxsz + \ |
1da177e4 LT |
649 | encode_putfh_maxsz + \ |
650 | encode_symlink_maxsz + \ | |
651 | encode_getattr_maxsz + \ | |
652 | encode_getfh_maxsz) | |
653 | #define NFS4_dec_symlink_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 654 | decode_sequence_maxsz + \ |
1da177e4 LT |
655 | decode_putfh_maxsz + \ |
656 | decode_symlink_maxsz + \ | |
657 | decode_getattr_maxsz + \ | |
658 | decode_getfh_maxsz) | |
659 | #define NFS4_enc_create_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 660 | encode_sequence_maxsz + \ |
1da177e4 LT |
661 | encode_putfh_maxsz + \ |
662 | encode_create_maxsz + \ | |
56ae19f3 | 663 | encode_getfh_maxsz + \ |
56ae19f3 | 664 | encode_getattr_maxsz) |
1da177e4 | 665 | #define NFS4_dec_create_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 666 | decode_sequence_maxsz + \ |
1da177e4 LT |
667 | decode_putfh_maxsz + \ |
668 | decode_create_maxsz + \ | |
56ae19f3 | 669 | decode_getfh_maxsz + \ |
56ae19f3 | 670 | decode_getattr_maxsz) |
1da177e4 | 671 | #define NFS4_enc_pathconf_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 672 | encode_sequence_maxsz + \ |
1da177e4 LT |
673 | encode_putfh_maxsz + \ |
674 | encode_getattr_maxsz) | |
675 | #define NFS4_dec_pathconf_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 676 | decode_sequence_maxsz + \ |
1da177e4 LT |
677 | decode_putfh_maxsz + \ |
678 | decode_getattr_maxsz) | |
679 | #define NFS4_enc_statfs_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 680 | encode_sequence_maxsz + \ |
1da177e4 | 681 | encode_putfh_maxsz + \ |
9104a55d | 682 | encode_statfs_maxsz) |
1da177e4 | 683 | #define NFS4_dec_statfs_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 684 | decode_sequence_maxsz + \ |
1da177e4 | 685 | decode_putfh_maxsz + \ |
9104a55d | 686 | decode_statfs_maxsz) |
1da177e4 | 687 | #define NFS4_enc_server_caps_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 688 | encode_sequence_maxsz + \ |
ab91f264 | 689 | encode_putfh_maxsz + \ |
1da177e4 LT |
690 | encode_getattr_maxsz) |
691 | #define NFS4_dec_server_caps_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 692 | decode_sequence_maxsz + \ |
ab91f264 | 693 | decode_putfh_maxsz + \ |
1da177e4 LT |
694 | decode_getattr_maxsz) |
695 | #define NFS4_enc_delegreturn_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 696 | encode_sequence_maxsz + \ |
1da177e4 | 697 | encode_putfh_maxsz + \ |
fa178f29 TM |
698 | encode_delegreturn_maxsz + \ |
699 | encode_getattr_maxsz) | |
1da177e4 | 700 | #define NFS4_dec_delegreturn_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 701 | decode_sequence_maxsz + \ |
fa178f29 TM |
702 | decode_delegreturn_maxsz + \ |
703 | decode_getattr_maxsz) | |
029d105e | 704 | #define NFS4_enc_getacl_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 705 | encode_sequence_maxsz + \ |
029d105e | 706 | encode_putfh_maxsz + \ |
9104a55d | 707 | encode_getacl_maxsz) |
029d105e | 708 | #define NFS4_dec_getacl_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 709 | decode_sequence_maxsz + \ |
029d105e | 710 | decode_putfh_maxsz + \ |
9104a55d | 711 | decode_getacl_maxsz) |
23ec6965 | 712 | #define NFS4_enc_setacl_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 713 | encode_sequence_maxsz + \ |
23ec6965 | 714 | encode_putfh_maxsz + \ |
9104a55d | 715 | encode_setacl_maxsz) |
23ec6965 | 716 | #define NFS4_dec_setacl_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 717 | decode_sequence_maxsz + \ |
23ec6965 | 718 | decode_putfh_maxsz + \ |
9104a55d | 719 | decode_setacl_maxsz) |
683b57b4 TM |
720 | #define NFS4_enc_fs_locations_sz \ |
721 | (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 722 | encode_sequence_maxsz + \ |
683b57b4 | 723 | encode_putfh_maxsz + \ |
e6889620 TM |
724 | encode_lookup_maxsz + \ |
725 | encode_fs_locations_maxsz) | |
683b57b4 TM |
726 | #define NFS4_dec_fs_locations_sz \ |
727 | (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 728 | decode_sequence_maxsz + \ |
683b57b4 | 729 | decode_putfh_maxsz + \ |
e6889620 TM |
730 | decode_lookup_maxsz + \ |
731 | decode_fs_locations_maxsz) | |
5a5ea0d4 BS |
732 | #define NFS4_enc_secinfo_sz (compound_encode_hdr_maxsz + \ |
733 | encode_sequence_maxsz + \ | |
734 | encode_putfh_maxsz + \ | |
735 | encode_secinfo_maxsz) | |
736 | #define NFS4_dec_secinfo_sz (compound_decode_hdr_maxsz + \ | |
737 | decode_sequence_maxsz + \ | |
738 | decode_putfh_maxsz + \ | |
739 | decode_secinfo_maxsz) | |
99fe60d0 | 740 | #if defined(CONFIG_NFS_V4_1) |
7c44f1ae WAA |
741 | #define NFS4_enc_bind_conn_to_session_sz \ |
742 | (compound_encode_hdr_maxsz + \ | |
743 | encode_bind_conn_to_session_maxsz) | |
744 | #define NFS4_dec_bind_conn_to_session_sz \ | |
745 | (compound_decode_hdr_maxsz + \ | |
746 | decode_bind_conn_to_session_maxsz) | |
99fe60d0 BH |
747 | #define NFS4_enc_exchange_id_sz \ |
748 | (compound_encode_hdr_maxsz + \ | |
749 | encode_exchange_id_maxsz) | |
750 | #define NFS4_dec_exchange_id_sz \ | |
751 | (compound_decode_hdr_maxsz + \ | |
752 | decode_exchange_id_maxsz) | |
fc931582 AA |
753 | #define NFS4_enc_create_session_sz \ |
754 | (compound_encode_hdr_maxsz + \ | |
755 | encode_create_session_maxsz) | |
756 | #define NFS4_dec_create_session_sz \ | |
757 | (compound_decode_hdr_maxsz + \ | |
758 | decode_create_session_maxsz) | |
0f3e66c6 AA |
759 | #define NFS4_enc_destroy_session_sz (compound_encode_hdr_maxsz + \ |
760 | encode_destroy_session_maxsz) | |
761 | #define NFS4_dec_destroy_session_sz (compound_decode_hdr_maxsz + \ | |
762 | decode_destroy_session_maxsz) | |
66245539 TM |
763 | #define NFS4_enc_destroy_clientid_sz (compound_encode_hdr_maxsz + \ |
764 | encode_destroy_clientid_maxsz) | |
765 | #define NFS4_dec_destroy_clientid_sz (compound_decode_hdr_maxsz + \ | |
766 | decode_destroy_clientid_maxsz) | |
fc01cea9 AA |
767 | #define NFS4_enc_sequence_sz \ |
768 | (compound_decode_hdr_maxsz + \ | |
769 | encode_sequence_maxsz) | |
770 | #define NFS4_dec_sequence_sz \ | |
771 | (compound_decode_hdr_maxsz + \ | |
772 | decode_sequence_maxsz) | |
2050f0cc AA |
773 | #define NFS4_enc_get_lease_time_sz (compound_encode_hdr_maxsz + \ |
774 | encode_sequence_maxsz + \ | |
775 | encode_putrootfh_maxsz + \ | |
776 | encode_fsinfo_maxsz) | |
777 | #define NFS4_dec_get_lease_time_sz (compound_decode_hdr_maxsz + \ | |
778 | decode_sequence_maxsz + \ | |
779 | decode_putrootfh_maxsz + \ | |
780 | decode_fsinfo_maxsz) | |
18019753 RL |
781 | #define NFS4_enc_reclaim_complete_sz (compound_encode_hdr_maxsz + \ |
782 | encode_sequence_maxsz + \ | |
783 | encode_reclaim_complete_maxsz) | |
784 | #define NFS4_dec_reclaim_complete_sz (compound_decode_hdr_maxsz + \ | |
785 | decode_sequence_maxsz + \ | |
786 | decode_reclaim_complete_maxsz) | |
7f11d8d3 AA |
787 | #define NFS4_enc_getdevicelist_sz (compound_encode_hdr_maxsz + \ |
788 | encode_sequence_maxsz + \ | |
789 | encode_putfh_maxsz + \ | |
790 | encode_getdevicelist_maxsz) | |
791 | #define NFS4_dec_getdevicelist_sz (compound_decode_hdr_maxsz + \ | |
792 | decode_sequence_maxsz + \ | |
793 | decode_putfh_maxsz + \ | |
794 | decode_getdevicelist_maxsz) | |
b1f69b75 AA |
795 | #define NFS4_enc_getdeviceinfo_sz (compound_encode_hdr_maxsz + \ |
796 | encode_sequence_maxsz +\ | |
797 | encode_getdeviceinfo_maxsz) | |
798 | #define NFS4_dec_getdeviceinfo_sz (compound_decode_hdr_maxsz + \ | |
799 | decode_sequence_maxsz + \ | |
800 | decode_getdeviceinfo_maxsz) | |
801 | #define NFS4_enc_layoutget_sz (compound_encode_hdr_maxsz + \ | |
802 | encode_sequence_maxsz + \ | |
803 | encode_putfh_maxsz + \ | |
804 | encode_layoutget_maxsz) | |
805 | #define NFS4_dec_layoutget_sz (compound_decode_hdr_maxsz + \ | |
806 | decode_sequence_maxsz + \ | |
807 | decode_putfh_maxsz + \ | |
808 | decode_layoutget_maxsz) | |
863a3c6c AA |
809 | #define NFS4_enc_layoutcommit_sz (compound_encode_hdr_maxsz + \ |
810 | encode_sequence_maxsz +\ | |
811 | encode_putfh_maxsz + \ | |
812 | encode_layoutcommit_maxsz + \ | |
813 | encode_getattr_maxsz) | |
814 | #define NFS4_dec_layoutcommit_sz (compound_decode_hdr_maxsz + \ | |
815 | decode_sequence_maxsz + \ | |
816 | decode_putfh_maxsz + \ | |
817 | decode_layoutcommit_maxsz + \ | |
818 | decode_getattr_maxsz) | |
cbe82603 BH |
819 | #define NFS4_enc_layoutreturn_sz (compound_encode_hdr_maxsz + \ |
820 | encode_sequence_maxsz + \ | |
821 | encode_putfh_maxsz + \ | |
822 | encode_layoutreturn_maxsz) | |
823 | #define NFS4_dec_layoutreturn_sz (compound_decode_hdr_maxsz + \ | |
824 | decode_sequence_maxsz + \ | |
825 | decode_putfh_maxsz + \ | |
826 | decode_layoutreturn_maxsz) | |
fca78d6d BS |
827 | #define NFS4_enc_secinfo_no_name_sz (compound_encode_hdr_maxsz + \ |
828 | encode_sequence_maxsz + \ | |
829 | encode_putrootfh_maxsz +\ | |
830 | encode_secinfo_no_name_maxsz) | |
831 | #define NFS4_dec_secinfo_no_name_sz (compound_decode_hdr_maxsz + \ | |
832 | decode_sequence_maxsz + \ | |
833 | decode_putrootfh_maxsz + \ | |
834 | decode_secinfo_no_name_maxsz) | |
7d974794 BS |
835 | #define NFS4_enc_test_stateid_sz (compound_encode_hdr_maxsz + \ |
836 | encode_sequence_maxsz + \ | |
837 | encode_test_stateid_maxsz) | |
838 | #define NFS4_dec_test_stateid_sz (compound_decode_hdr_maxsz + \ | |
839 | decode_sequence_maxsz + \ | |
840 | decode_test_stateid_maxsz) | |
9aeda35f BS |
841 | #define NFS4_enc_free_stateid_sz (compound_encode_hdr_maxsz + \ |
842 | encode_sequence_maxsz + \ | |
843 | encode_free_stateid_maxsz) | |
844 | #define NFS4_dec_free_stateid_sz (compound_decode_hdr_maxsz + \ | |
845 | decode_sequence_maxsz + \ | |
846 | decode_free_stateid_maxsz) | |
2449ea2e AB |
847 | |
848 | const u32 nfs41_maxwrite_overhead = ((RPC_MAX_HEADER_WITH_AUTH + | |
849 | compound_encode_hdr_maxsz + | |
850 | encode_sequence_maxsz + | |
851 | encode_putfh_maxsz + | |
852 | encode_getattr_maxsz) * | |
853 | XDR_UNIT); | |
854 | ||
855 | const u32 nfs41_maxread_overhead = ((RPC_MAX_HEADER_WITH_AUTH + | |
856 | compound_decode_hdr_maxsz + | |
857 | decode_sequence_maxsz + | |
858 | decode_putfh_maxsz) * | |
859 | XDR_UNIT); | |
99fe60d0 | 860 | #endif /* CONFIG_NFS_V4_1 */ |
1da177e4 | 861 | |
bca79478 TM |
862 | static const umode_t nfs_type2fmt[] = { |
863 | [NF4BAD] = 0, | |
864 | [NF4REG] = S_IFREG, | |
865 | [NF4DIR] = S_IFDIR, | |
866 | [NF4BLK] = S_IFBLK, | |
867 | [NF4CHR] = S_IFCHR, | |
868 | [NF4LNK] = S_IFLNK, | |
869 | [NF4SOCK] = S_IFSOCK, | |
870 | [NF4FIFO] = S_IFIFO, | |
871 | [NF4ATTRDIR] = 0, | |
872 | [NF4NAMEDATTR] = 0, | |
1da177e4 LT |
873 | }; |
874 | ||
875 | struct compound_hdr { | |
876 | int32_t status; | |
877 | uint32_t nops; | |
d017931c | 878 | __be32 * nops_p; |
1da177e4 LT |
879 | uint32_t taglen; |
880 | char * tag; | |
0c4e8c18 | 881 | uint32_t replen; /* expected reply words */ |
66cc0429 | 882 | u32 minorversion; |
1da177e4 LT |
883 | }; |
884 | ||
13c65ce9 BH |
885 | static __be32 *reserve_space(struct xdr_stream *xdr, size_t nbytes) |
886 | { | |
887 | __be32 *p = xdr_reserve_space(xdr, nbytes); | |
888 | BUG_ON(!p); | |
889 | return p; | |
890 | } | |
1da177e4 | 891 | |
cb17e556 TM |
892 | static void encode_opaque_fixed(struct xdr_stream *xdr, const void *buf, size_t len) |
893 | { | |
894 | __be32 *p; | |
895 | ||
896 | p = xdr_reserve_space(xdr, len); | |
897 | xdr_encode_opaque_fixed(p, buf, len); | |
898 | } | |
899 | ||
1da177e4 LT |
900 | static void encode_string(struct xdr_stream *xdr, unsigned int len, const char *str) |
901 | { | |
8687b63a | 902 | __be32 *p; |
1da177e4 | 903 | |
6fdfb0bc | 904 | p = reserve_space(xdr, 4 + len); |
1da177e4 LT |
905 | xdr_encode_opaque(p, str, len); |
906 | } | |
907 | ||
4ade9821 TM |
908 | static void encode_uint32(struct xdr_stream *xdr, u32 n) |
909 | { | |
910 | __be32 *p; | |
911 | ||
912 | p = reserve_space(xdr, 4); | |
913 | *p = cpu_to_be32(n); | |
914 | } | |
915 | ||
ff2eb681 TM |
916 | static void encode_uint64(struct xdr_stream *xdr, u64 n) |
917 | { | |
918 | __be32 *p; | |
919 | ||
920 | p = reserve_space(xdr, 8); | |
921 | xdr_encode_hyper(p, n); | |
922 | } | |
923 | ||
4ade9821 TM |
924 | static void encode_nfs4_seqid(struct xdr_stream *xdr, |
925 | const struct nfs_seqid *seqid) | |
926 | { | |
927 | encode_uint32(xdr, seqid->sequence->counter); | |
928 | } | |
929 | ||
0c4e8c18 BH |
930 | static void encode_compound_hdr(struct xdr_stream *xdr, |
931 | struct rpc_rqst *req, | |
932 | struct compound_hdr *hdr) | |
1da177e4 | 933 | { |
8687b63a | 934 | __be32 *p; |
a17c2153 | 935 | struct rpc_auth *auth = req->rq_cred->cr_auth; |
0c4e8c18 BH |
936 | |
937 | /* initialize running count of expected bytes in reply. | |
938 | * NOTE: the replied tag SHOULD be the same is the one sent, | |
939 | * but this is not required as a MUST for the server to do so. */ | |
940 | hdr->replen = RPC_REPHDRSIZE + auth->au_rslack + 3 + hdr->taglen; | |
1da177e4 | 941 | |
7fc38846 | 942 | WARN_ON_ONCE(hdr->taglen > NFS4_MAXTAGLEN); |
6fdfb0bc TM |
943 | encode_string(xdr, hdr->taglen, hdr->tag); |
944 | p = reserve_space(xdr, 8); | |
e75bc1c8 | 945 | *p++ = cpu_to_be32(hdr->minorversion); |
d017931c | 946 | hdr->nops_p = p; |
34558513 | 947 | *p = cpu_to_be32(hdr->nops); |
d017931c AA |
948 | } |
949 | ||
ab19b481 TM |
950 | static void encode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 op, |
951 | uint32_t replen, | |
952 | struct compound_hdr *hdr) | |
953 | { | |
954 | encode_uint32(xdr, op); | |
955 | hdr->nops++; | |
956 | hdr->replen += replen; | |
957 | } | |
958 | ||
d017931c AA |
959 | static void encode_nops(struct compound_hdr *hdr) |
960 | { | |
7fc38846 | 961 | WARN_ON_ONCE(hdr->nops > NFS4_MAX_OPS); |
d017931c | 962 | *hdr->nops_p = htonl(hdr->nops); |
1da177e4 LT |
963 | } |
964 | ||
ea9d23f5 TM |
965 | static void encode_nfs4_stateid(struct xdr_stream *xdr, const nfs4_stateid *stateid) |
966 | { | |
2d2f24ad | 967 | encode_opaque_fixed(xdr, stateid, NFS4_STATEID_SIZE); |
ea9d23f5 TM |
968 | } |
969 | ||
1da177e4 LT |
970 | static void encode_nfs4_verifier(struct xdr_stream *xdr, const nfs4_verifier *verf) |
971 | { | |
cb17e556 | 972 | encode_opaque_fixed(xdr, verf->data, NFS4_VERIFIER_SIZE); |
1da177e4 LT |
973 | } |
974 | ||
cf8cdbe5 | 975 | static void encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const struct nfs_server *server) |
1da177e4 LT |
976 | { |
977 | char owner_name[IDMAP_NAMESZ]; | |
978 | char owner_group[IDMAP_NAMESZ]; | |
979 | int owner_namelen = 0; | |
980 | int owner_grouplen = 0; | |
8687b63a AV |
981 | __be32 *p; |
982 | __be32 *q; | |
1da177e4 LT |
983 | int len; |
984 | uint32_t bmval0 = 0; | |
985 | uint32_t bmval1 = 0; | |
1da177e4 LT |
986 | |
987 | /* | |
988 | * We reserve enough space to write the entire attribute buffer at once. | |
989 | * In the worst-case, this would be | |
990 | * 12(bitmap) + 4(attrlen) + 8(size) + 4(mode) + 4(atime) + 4(mtime) | |
991 | * = 36 bytes, plus any contribution from variable-length fields | |
23ec6965 | 992 | * such as owner/group. |
1da177e4 LT |
993 | */ |
994 | len = 16; | |
995 | ||
996 | /* Sigh */ | |
997 | if (iap->ia_valid & ATTR_SIZE) | |
998 | len += 8; | |
999 | if (iap->ia_valid & ATTR_MODE) | |
1000 | len += 4; | |
1001 | if (iap->ia_valid & ATTR_UID) { | |
e4fd72a1 | 1002 | owner_namelen = nfs_map_uid_to_name(server, iap->ia_uid, owner_name, IDMAP_NAMESZ); |
1da177e4 | 1003 | if (owner_namelen < 0) { |
fe82a183 | 1004 | dprintk("nfs: couldn't resolve uid %d to string\n", |
e5782076 | 1005 | from_kuid(&init_user_ns, iap->ia_uid)); |
1da177e4 LT |
1006 | /* XXX */ |
1007 | strcpy(owner_name, "nobody"); | |
1008 | owner_namelen = sizeof("nobody") - 1; | |
1009 | /* goto out; */ | |
1010 | } | |
1011 | len += 4 + (XDR_QUADLEN(owner_namelen) << 2); | |
1012 | } | |
1013 | if (iap->ia_valid & ATTR_GID) { | |
e4fd72a1 | 1014 | owner_grouplen = nfs_map_gid_to_group(server, iap->ia_gid, owner_group, IDMAP_NAMESZ); |
1da177e4 | 1015 | if (owner_grouplen < 0) { |
fe82a183 | 1016 | dprintk("nfs: couldn't resolve gid %d to string\n", |
e5782076 | 1017 | from_kgid(&init_user_ns, iap->ia_gid)); |
1da177e4 LT |
1018 | strcpy(owner_group, "nobody"); |
1019 | owner_grouplen = sizeof("nobody") - 1; | |
1020 | /* goto out; */ | |
1021 | } | |
1022 | len += 4 + (XDR_QUADLEN(owner_grouplen) << 2); | |
1023 | } | |
1024 | if (iap->ia_valid & ATTR_ATIME_SET) | |
1025 | len += 16; | |
1026 | else if (iap->ia_valid & ATTR_ATIME) | |
1027 | len += 4; | |
1028 | if (iap->ia_valid & ATTR_MTIME_SET) | |
1029 | len += 16; | |
1030 | else if (iap->ia_valid & ATTR_MTIME) | |
1031 | len += 4; | |
13c65ce9 | 1032 | p = reserve_space(xdr, len); |
1da177e4 LT |
1033 | |
1034 | /* | |
1035 | * We write the bitmap length now, but leave the bitmap and the attribute | |
1036 | * buffer length to be backfilled at the end of this routine. | |
1037 | */ | |
e75bc1c8 | 1038 | *p++ = cpu_to_be32(2); |
1da177e4 LT |
1039 | q = p; |
1040 | p += 3; | |
1041 | ||
1042 | if (iap->ia_valid & ATTR_SIZE) { | |
1043 | bmval0 |= FATTR4_WORD0_SIZE; | |
b95be5a9 | 1044 | p = xdr_encode_hyper(p, iap->ia_size); |
1da177e4 LT |
1045 | } |
1046 | if (iap->ia_valid & ATTR_MODE) { | |
1047 | bmval1 |= FATTR4_WORD1_MODE; | |
e75bc1c8 | 1048 | *p++ = cpu_to_be32(iap->ia_mode & S_IALLUGO); |
1da177e4 LT |
1049 | } |
1050 | if (iap->ia_valid & ATTR_UID) { | |
1051 | bmval1 |= FATTR4_WORD1_OWNER; | |
811652bd | 1052 | p = xdr_encode_opaque(p, owner_name, owner_namelen); |
1da177e4 LT |
1053 | } |
1054 | if (iap->ia_valid & ATTR_GID) { | |
1055 | bmval1 |= FATTR4_WORD1_OWNER_GROUP; | |
811652bd | 1056 | p = xdr_encode_opaque(p, owner_group, owner_grouplen); |
1da177e4 LT |
1057 | } |
1058 | if (iap->ia_valid & ATTR_ATIME_SET) { | |
1059 | bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET; | |
e75bc1c8 BH |
1060 | *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); |
1061 | *p++ = cpu_to_be32(0); | |
d3f6baaa TM |
1062 | *p++ = cpu_to_be32(iap->ia_atime.tv_sec); |
1063 | *p++ = cpu_to_be32(iap->ia_atime.tv_nsec); | |
1da177e4 LT |
1064 | } |
1065 | else if (iap->ia_valid & ATTR_ATIME) { | |
1066 | bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET; | |
e75bc1c8 | 1067 | *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); |
1da177e4 LT |
1068 | } |
1069 | if (iap->ia_valid & ATTR_MTIME_SET) { | |
1070 | bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET; | |
e75bc1c8 BH |
1071 | *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); |
1072 | *p++ = cpu_to_be32(0); | |
1073 | *p++ = cpu_to_be32(iap->ia_mtime.tv_sec); | |
1074 | *p++ = cpu_to_be32(iap->ia_mtime.tv_nsec); | |
1da177e4 LT |
1075 | } |
1076 | else if (iap->ia_valid & ATTR_MTIME) { | |
1077 | bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET; | |
e75bc1c8 | 1078 | *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); |
1da177e4 | 1079 | } |
6c0195a4 | 1080 | |
1da177e4 LT |
1081 | /* |
1082 | * Now we backfill the bitmap and the attribute buffer length. | |
1083 | */ | |
1084 | if (len != ((char *)p - (char *)q) + 4) { | |
f9fd2d9c | 1085 | printk(KERN_ERR "NFS: Attr length error, %u != %Zu\n", |
1da177e4 LT |
1086 | len, ((char *)p - (char *)q) + 4); |
1087 | BUG(); | |
1088 | } | |
1089 | len = (char *)p - (char *)q - 12; | |
1090 | *q++ = htonl(bmval0); | |
1091 | *q++ = htonl(bmval1); | |
34558513 | 1092 | *q = htonl(len); |
1da177e4 | 1093 | |
1da177e4 | 1094 | /* out: */ |
1da177e4 LT |
1095 | } |
1096 | ||
cf8cdbe5 | 1097 | static void encode_access(struct xdr_stream *xdr, u32 access, struct compound_hdr *hdr) |
1da177e4 | 1098 | { |
475d4ba0 TM |
1099 | encode_op_hdr(xdr, OP_ACCESS, decode_access_maxsz, hdr); |
1100 | encode_uint32(xdr, access); | |
1da177e4 LT |
1101 | } |
1102 | ||
cf8cdbe5 | 1103 | static void encode_close(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1104 | { |
ab19b481 | 1105 | encode_op_hdr(xdr, OP_CLOSE, decode_close_maxsz, hdr); |
4ade9821 | 1106 | encode_nfs4_seqid(xdr, arg->seqid); |
ea9d23f5 | 1107 | encode_nfs4_stateid(xdr, arg->stateid); |
1da177e4 LT |
1108 | } |
1109 | ||
0b7c0153 | 1110 | static void encode_commit(struct xdr_stream *xdr, const struct nfs_commitargs *args, struct compound_hdr *hdr) |
1da177e4 | 1111 | { |
8687b63a | 1112 | __be32 *p; |
6c0195a4 | 1113 | |
475d4ba0 TM |
1114 | encode_op_hdr(xdr, OP_COMMIT, decode_commit_maxsz, hdr); |
1115 | p = reserve_space(xdr, 12); | |
b95be5a9 | 1116 | p = xdr_encode_hyper(p, args->offset); |
34558513 | 1117 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1118 | } |
1119 | ||
cf8cdbe5 | 1120 | static void encode_create(struct xdr_stream *xdr, const struct nfs4_create_arg *create, struct compound_hdr *hdr) |
1da177e4 | 1121 | { |
8687b63a | 1122 | __be32 *p; |
6c0195a4 | 1123 | |
475d4ba0 TM |
1124 | encode_op_hdr(xdr, OP_CREATE, decode_create_maxsz, hdr); |
1125 | encode_uint32(xdr, create->ftype); | |
1da177e4 LT |
1126 | |
1127 | switch (create->ftype) { | |
1128 | case NF4LNK: | |
13c65ce9 | 1129 | p = reserve_space(xdr, 4); |
34558513 | 1130 | *p = cpu_to_be32(create->u.symlink.len); |
94a6d753 | 1131 | xdr_write_pages(xdr, create->u.symlink.pages, 0, create->u.symlink.len); |
1da177e4 LT |
1132 | break; |
1133 | ||
1134 | case NF4BLK: case NF4CHR: | |
13c65ce9 | 1135 | p = reserve_space(xdr, 8); |
e75bc1c8 | 1136 | *p++ = cpu_to_be32(create->u.device.specdata1); |
34558513 | 1137 | *p = cpu_to_be32(create->u.device.specdata2); |
1da177e4 LT |
1138 | break; |
1139 | ||
1140 | default: | |
1141 | break; | |
1142 | } | |
1143 | ||
811652bd | 1144 | encode_string(xdr, create->name->len, create->name->name); |
cf8cdbe5 | 1145 | encode_attrs(xdr, create->attrs, create->server); |
1da177e4 LT |
1146 | } |
1147 | ||
cf8cdbe5 | 1148 | static void encode_getattr_one(struct xdr_stream *xdr, uint32_t bitmap, struct compound_hdr *hdr) |
1da177e4 | 1149 | { |
05d564fe | 1150 | __be32 *p; |
1da177e4 | 1151 | |
475d4ba0 TM |
1152 | encode_op_hdr(xdr, OP_GETATTR, decode_getattr_maxsz, hdr); |
1153 | p = reserve_space(xdr, 8); | |
e75bc1c8 | 1154 | *p++ = cpu_to_be32(1); |
34558513 | 1155 | *p = cpu_to_be32(bitmap); |
1da177e4 LT |
1156 | } |
1157 | ||
cf8cdbe5 | 1158 | static void encode_getattr_two(struct xdr_stream *xdr, uint32_t bm0, uint32_t bm1, struct compound_hdr *hdr) |
1da177e4 | 1159 | { |
05d564fe | 1160 | __be32 *p; |
1da177e4 | 1161 | |
475d4ba0 TM |
1162 | encode_op_hdr(xdr, OP_GETATTR, decode_getattr_maxsz, hdr); |
1163 | p = reserve_space(xdr, 12); | |
e75bc1c8 BH |
1164 | *p++ = cpu_to_be32(2); |
1165 | *p++ = cpu_to_be32(bm0); | |
34558513 | 1166 | *p = cpu_to_be32(bm1); |
1da177e4 LT |
1167 | } |
1168 | ||
dae100c2 FI |
1169 | static void |
1170 | encode_getattr_three(struct xdr_stream *xdr, | |
1171 | uint32_t bm0, uint32_t bm1, uint32_t bm2, | |
1172 | struct compound_hdr *hdr) | |
1173 | { | |
1174 | __be32 *p; | |
1175 | ||
ab19b481 | 1176 | encode_op_hdr(xdr, OP_GETATTR, decode_getattr_maxsz, hdr); |
dae100c2 FI |
1177 | if (bm2) { |
1178 | p = reserve_space(xdr, 16); | |
1179 | *p++ = cpu_to_be32(3); | |
1180 | *p++ = cpu_to_be32(bm0); | |
1181 | *p++ = cpu_to_be32(bm1); | |
1182 | *p = cpu_to_be32(bm2); | |
1183 | } else if (bm1) { | |
1184 | p = reserve_space(xdr, 12); | |
1185 | *p++ = cpu_to_be32(2); | |
1186 | *p++ = cpu_to_be32(bm0); | |
1187 | *p = cpu_to_be32(bm1); | |
1188 | } else { | |
1189 | p = reserve_space(xdr, 8); | |
1190 | *p++ = cpu_to_be32(1); | |
1191 | *p = cpu_to_be32(bm0); | |
1192 | } | |
dae100c2 FI |
1193 | } |
1194 | ||
cf8cdbe5 | 1195 | static void encode_getfattr(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
1da177e4 | 1196 | { |
cf8cdbe5 AA |
1197 | encode_getattr_two(xdr, bitmask[0] & nfs4_fattr_bitmap[0], |
1198 | bitmask[1] & nfs4_fattr_bitmap[1], hdr); | |
1da177e4 LT |
1199 | } |
1200 | ||
88034c3d | 1201 | static void encode_getfattr_open(struct xdr_stream *xdr, const u32 *bitmask, |
1549210f | 1202 | const u32 *open_bitmap, |
88034c3d AA |
1203 | struct compound_hdr *hdr) |
1204 | { | |
1205 | encode_getattr_three(xdr, | |
1549210f TM |
1206 | bitmask[0] & open_bitmap[0], |
1207 | bitmask[1] & open_bitmap[1], | |
1208 | bitmask[2] & open_bitmap[2], | |
88034c3d AA |
1209 | hdr); |
1210 | } | |
1211 | ||
cf8cdbe5 | 1212 | static void encode_fsinfo(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
1da177e4 | 1213 | { |
dae100c2 FI |
1214 | encode_getattr_three(xdr, |
1215 | bitmask[0] & nfs4_fsinfo_bitmap[0], | |
1216 | bitmask[1] & nfs4_fsinfo_bitmap[1], | |
1217 | bitmask[2] & nfs4_fsinfo_bitmap[2], | |
1218 | hdr); | |
1da177e4 LT |
1219 | } |
1220 | ||
cf8cdbe5 | 1221 | static void encode_fs_locations(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
830b8e33 | 1222 | { |
cf8cdbe5 AA |
1223 | encode_getattr_two(xdr, bitmask[0] & nfs4_fs_locations_bitmap[0], |
1224 | bitmask[1] & nfs4_fs_locations_bitmap[1], hdr); | |
830b8e33 MN |
1225 | } |
1226 | ||
cf8cdbe5 | 1227 | static void encode_getfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1228 | { |
ab19b481 | 1229 | encode_op_hdr(xdr, OP_GETFH, decode_getfh_maxsz, hdr); |
1da177e4 LT |
1230 | } |
1231 | ||
cf8cdbe5 | 1232 | static void encode_link(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1233 | { |
ab19b481 | 1234 | encode_op_hdr(xdr, OP_LINK, decode_link_maxsz, hdr); |
6fdfb0bc | 1235 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1236 | } |
1237 | ||
911d1aaf TM |
1238 | static inline int nfs4_lock_type(struct file_lock *fl, int block) |
1239 | { | |
f44106e2 | 1240 | if (fl->fl_type == F_RDLCK) |
911d1aaf TM |
1241 | return block ? NFS4_READW_LT : NFS4_READ_LT; |
1242 | return block ? NFS4_WRITEW_LT : NFS4_WRITE_LT; | |
1243 | } | |
1244 | ||
1245 | static inline uint64_t nfs4_lock_length(struct file_lock *fl) | |
1246 | { | |
1247 | if (fl->fl_end == OFFSET_MAX) | |
1248 | return ~(uint64_t)0; | |
1249 | return fl->fl_end - fl->fl_start + 1; | |
1250 | } | |
1251 | ||
daccbded TM |
1252 | static void encode_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner) |
1253 | { | |
1254 | __be32 *p; | |
1255 | ||
d035c36c | 1256 | p = reserve_space(xdr, 32); |
daccbded | 1257 | p = xdr_encode_hyper(p, lowner->clientid); |
d035c36c | 1258 | *p++ = cpu_to_be32(20); |
daccbded | 1259 | p = xdr_encode_opaque_fixed(p, "lock id:", 8); |
d035c36c | 1260 | *p++ = cpu_to_be32(lowner->s_dev); |
daccbded TM |
1261 | xdr_encode_hyper(p, lowner->id); |
1262 | } | |
1263 | ||
1da177e4 LT |
1264 | /* |
1265 | * opcode,type,reclaim,offset,length,new_lock_owner = 32 | |
1266 | * open_seqid,open_stateid,lock_seqid,lock_owner.clientid, lock_owner.id = 40 | |
1267 | */ | |
cf8cdbe5 | 1268 | static void encode_lock(struct xdr_stream *xdr, const struct nfs_lock_args *args, struct compound_hdr *hdr) |
1da177e4 | 1269 | { |
8687b63a | 1270 | __be32 *p; |
1da177e4 | 1271 | |
475d4ba0 TM |
1272 | encode_op_hdr(xdr, OP_LOCK, decode_lock_maxsz, hdr); |
1273 | p = reserve_space(xdr, 28); | |
e75bc1c8 BH |
1274 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, args->block)); |
1275 | *p++ = cpu_to_be32(args->reclaim); | |
b95be5a9 BH |
1276 | p = xdr_encode_hyper(p, args->fl->fl_start); |
1277 | p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); | |
34558513 | 1278 | *p = cpu_to_be32(args->new_lock_owner); |
911d1aaf | 1279 | if (args->new_lock_owner){ |
4ade9821 | 1280 | encode_nfs4_seqid(xdr, args->open_seqid); |
ea9d23f5 | 1281 | encode_nfs4_stateid(xdr, args->open_stateid); |
4ade9821 | 1282 | encode_nfs4_seqid(xdr, args->lock_seqid); |
daccbded | 1283 | encode_lockowner(xdr, &args->lock_owner); |
1da177e4 LT |
1284 | } |
1285 | else { | |
ea9d23f5 | 1286 | encode_nfs4_stateid(xdr, args->lock_stateid); |
4ade9821 | 1287 | encode_nfs4_seqid(xdr, args->lock_seqid); |
1da177e4 | 1288 | } |
1da177e4 LT |
1289 | } |
1290 | ||
cf8cdbe5 | 1291 | static void encode_lockt(struct xdr_stream *xdr, const struct nfs_lockt_args *args, struct compound_hdr *hdr) |
1da177e4 | 1292 | { |
8687b63a | 1293 | __be32 *p; |
1da177e4 | 1294 | |
475d4ba0 TM |
1295 | encode_op_hdr(xdr, OP_LOCKT, decode_lockt_maxsz, hdr); |
1296 | p = reserve_space(xdr, 20); | |
e75bc1c8 | 1297 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, 0)); |
b95be5a9 BH |
1298 | p = xdr_encode_hyper(p, args->fl->fl_start); |
1299 | p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); | |
daccbded | 1300 | encode_lockowner(xdr, &args->lock_owner); |
1da177e4 LT |
1301 | } |
1302 | ||
cf8cdbe5 | 1303 | static void encode_locku(struct xdr_stream *xdr, const struct nfs_locku_args *args, struct compound_hdr *hdr) |
1da177e4 | 1304 | { |
8687b63a | 1305 | __be32 *p; |
1da177e4 | 1306 | |
475d4ba0 TM |
1307 | encode_op_hdr(xdr, OP_LOCKU, decode_locku_maxsz, hdr); |
1308 | encode_uint32(xdr, nfs4_lock_type(args->fl, 0)); | |
4ade9821 | 1309 | encode_nfs4_seqid(xdr, args->seqid); |
ea9d23f5 TM |
1310 | encode_nfs4_stateid(xdr, args->stateid); |
1311 | p = reserve_space(xdr, 16); | |
b95be5a9 | 1312 | p = xdr_encode_hyper(p, args->fl->fl_start); |
34558513 | 1313 | xdr_encode_hyper(p, nfs4_lock_length(args->fl)); |
1da177e4 LT |
1314 | } |
1315 | ||
d3c7b7cc TM |
1316 | static void encode_release_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner, struct compound_hdr *hdr) |
1317 | { | |
ab19b481 | 1318 | encode_op_hdr(xdr, OP_RELEASE_LOCKOWNER, decode_release_lockowner_maxsz, hdr); |
d3c7b7cc | 1319 | encode_lockowner(xdr, lowner); |
d3c7b7cc TM |
1320 | } |
1321 | ||
cf8cdbe5 | 1322 | static void encode_lookup(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1323 | { |
ab19b481 | 1324 | encode_op_hdr(xdr, OP_LOOKUP, decode_lookup_maxsz, hdr); |
6fdfb0bc | 1325 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1326 | } |
1327 | ||
dc0b027d | 1328 | static void encode_share_access(struct xdr_stream *xdr, fmode_t fmode) |
1da177e4 | 1329 | { |
8687b63a | 1330 | __be32 *p; |
1da177e4 | 1331 | |
13c65ce9 | 1332 | p = reserve_space(xdr, 8); |
dc0b027d | 1333 | switch (fmode & (FMODE_READ|FMODE_WRITE)) { |
05d564fe | 1334 | case FMODE_READ: |
e75bc1c8 | 1335 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_READ); |
05d564fe AA |
1336 | break; |
1337 | case FMODE_WRITE: | |
e75bc1c8 | 1338 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_WRITE); |
05d564fe AA |
1339 | break; |
1340 | case FMODE_READ|FMODE_WRITE: | |
e75bc1c8 | 1341 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_BOTH); |
05d564fe AA |
1342 | break; |
1343 | default: | |
e75bc1c8 | 1344 | *p++ = cpu_to_be32(0); |
1da177e4 | 1345 | } |
34558513 | 1346 | *p = cpu_to_be32(0); /* for linux, share_deny = 0 always */ |
1da177e4 LT |
1347 | } |
1348 | ||
1349 | static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1350 | { | |
8687b63a | 1351 | __be32 *p; |
1da177e4 LT |
1352 | /* |
1353 | * opcode 4, seqid 4, share_access 4, share_deny 4, clientid 8, ownerlen 4, | |
1354 | * owner 4 = 32 | |
1355 | */ | |
4ade9821 | 1356 | encode_nfs4_seqid(xdr, arg->seqid); |
dc0b027d | 1357 | encode_share_access(xdr, arg->fmode); |
95b72eb0 | 1358 | p = reserve_space(xdr, 36); |
b95be5a9 | 1359 | p = xdr_encode_hyper(p, arg->clientid); |
95b72eb0 | 1360 | *p++ = cpu_to_be32(24); |
93f0cf25 | 1361 | p = xdr_encode_opaque_fixed(p, "open id:", 8); |
d035c36c | 1362 | *p++ = cpu_to_be32(arg->server->s_dev); |
95b72eb0 TM |
1363 | *p++ = cpu_to_be32(arg->id.uniquifier); |
1364 | xdr_encode_hyper(p, arg->id.create_time); | |
1da177e4 LT |
1365 | } |
1366 | ||
1367 | static inline void encode_createmode(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1368 | { | |
8687b63a | 1369 | __be32 *p; |
4882ef72 | 1370 | struct nfs_client *clp; |
1da177e4 | 1371 | |
13c65ce9 | 1372 | p = reserve_space(xdr, 4); |
1da177e4 | 1373 | switch(arg->open_flags & O_EXCL) { |
05d564fe | 1374 | case 0: |
34558513 | 1375 | *p = cpu_to_be32(NFS4_CREATE_UNCHECKED); |
05d564fe AA |
1376 | encode_attrs(xdr, arg->u.attrs, arg->server); |
1377 | break; | |
1378 | default: | |
4882ef72 | 1379 | clp = arg->server->nfs_client; |
a4432345 | 1380 | if (clp->cl_mvops->minor_version > 0) { |
4882ef72 AB |
1381 | if (nfs4_has_persistent_session(clp)) { |
1382 | *p = cpu_to_be32(NFS4_CREATE_GUARDED); | |
1383 | encode_attrs(xdr, arg->u.attrs, arg->server); | |
1384 | } else { | |
1385 | struct iattr dummy; | |
1386 | ||
1387 | *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE4_1); | |
1388 | encode_nfs4_verifier(xdr, &arg->u.verifier); | |
1389 | dummy.ia_valid = 0; | |
1390 | encode_attrs(xdr, &dummy, arg->server); | |
1391 | } | |
1392 | } else { | |
1393 | *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE); | |
1394 | encode_nfs4_verifier(xdr, &arg->u.verifier); | |
1395 | } | |
1da177e4 LT |
1396 | } |
1397 | } | |
1398 | ||
1399 | static void encode_opentype(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1400 | { | |
8687b63a | 1401 | __be32 *p; |
1da177e4 | 1402 | |
13c65ce9 | 1403 | p = reserve_space(xdr, 4); |
1da177e4 | 1404 | switch (arg->open_flags & O_CREAT) { |
05d564fe | 1405 | case 0: |
34558513 | 1406 | *p = cpu_to_be32(NFS4_OPEN_NOCREATE); |
05d564fe AA |
1407 | break; |
1408 | default: | |
34558513 | 1409 | *p = cpu_to_be32(NFS4_OPEN_CREATE); |
05d564fe | 1410 | encode_createmode(xdr, arg); |
1da177e4 LT |
1411 | } |
1412 | } | |
1413 | ||
bd7bf9d5 | 1414 | static inline void encode_delegation_type(struct xdr_stream *xdr, fmode_t delegation_type) |
1da177e4 | 1415 | { |
8687b63a | 1416 | __be32 *p; |
1da177e4 | 1417 | |
13c65ce9 | 1418 | p = reserve_space(xdr, 4); |
1da177e4 | 1419 | switch (delegation_type) { |
05d564fe | 1420 | case 0: |
34558513 | 1421 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_NONE); |
05d564fe AA |
1422 | break; |
1423 | case FMODE_READ: | |
34558513 | 1424 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_READ); |
05d564fe AA |
1425 | break; |
1426 | case FMODE_WRITE|FMODE_READ: | |
34558513 | 1427 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_WRITE); |
05d564fe AA |
1428 | break; |
1429 | default: | |
1430 | BUG(); | |
1da177e4 LT |
1431 | } |
1432 | } | |
1433 | ||
1434 | static inline void encode_claim_null(struct xdr_stream *xdr, const struct qstr *name) | |
1435 | { | |
8687b63a | 1436 | __be32 *p; |
1da177e4 | 1437 | |
13c65ce9 | 1438 | p = reserve_space(xdr, 4); |
34558513 | 1439 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_NULL); |
1da177e4 LT |
1440 | encode_string(xdr, name->len, name->name); |
1441 | } | |
1442 | ||
bd7bf9d5 | 1443 | static inline void encode_claim_previous(struct xdr_stream *xdr, fmode_t type) |
1da177e4 | 1444 | { |
8687b63a | 1445 | __be32 *p; |
1da177e4 | 1446 | |
13c65ce9 | 1447 | p = reserve_space(xdr, 4); |
34558513 | 1448 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_PREVIOUS); |
1da177e4 LT |
1449 | encode_delegation_type(xdr, type); |
1450 | } | |
1451 | ||
1452 | static inline void encode_claim_delegate_cur(struct xdr_stream *xdr, const struct qstr *name, const nfs4_stateid *stateid) | |
1453 | { | |
8687b63a | 1454 | __be32 *p; |
1da177e4 | 1455 | |
ea9d23f5 TM |
1456 | p = reserve_space(xdr, 4); |
1457 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_DELEGATE_CUR); | |
1458 | encode_nfs4_stateid(xdr, stateid); | |
1da177e4 LT |
1459 | encode_string(xdr, name->len, name->name); |
1460 | } | |
1461 | ||
cf8cdbe5 | 1462 | static void encode_open(struct xdr_stream *xdr, const struct nfs_openargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1463 | { |
ab19b481 | 1464 | encode_op_hdr(xdr, OP_OPEN, decode_open_maxsz, hdr); |
1da177e4 LT |
1465 | encode_openhdr(xdr, arg); |
1466 | encode_opentype(xdr, arg); | |
1467 | switch (arg->claim) { | |
05d564fe AA |
1468 | case NFS4_OPEN_CLAIM_NULL: |
1469 | encode_claim_null(xdr, arg->name); | |
1470 | break; | |
1471 | case NFS4_OPEN_CLAIM_PREVIOUS: | |
1472 | encode_claim_previous(xdr, arg->u.delegation_type); | |
1473 | break; | |
1474 | case NFS4_OPEN_CLAIM_DELEGATE_CUR: | |
1475 | encode_claim_delegate_cur(xdr, arg->name, &arg->u.delegation); | |
1476 | break; | |
1477 | default: | |
1478 | BUG(); | |
1da177e4 | 1479 | } |
1da177e4 LT |
1480 | } |
1481 | ||
cf8cdbe5 | 1482 | static void encode_open_confirm(struct xdr_stream *xdr, const struct nfs_open_confirmargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1483 | { |
ab19b481 | 1484 | encode_op_hdr(xdr, OP_OPEN_CONFIRM, decode_open_confirm_maxsz, hdr); |
ea9d23f5 | 1485 | encode_nfs4_stateid(xdr, arg->stateid); |
4ade9821 | 1486 | encode_nfs4_seqid(xdr, arg->seqid); |
1da177e4 LT |
1487 | } |
1488 | ||
cf8cdbe5 | 1489 | static void encode_open_downgrade(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1490 | { |
ab19b481 | 1491 | encode_op_hdr(xdr, OP_OPEN_DOWNGRADE, decode_open_downgrade_maxsz, hdr); |
ea9d23f5 | 1492 | encode_nfs4_stateid(xdr, arg->stateid); |
4ade9821 | 1493 | encode_nfs4_seqid(xdr, arg->seqid); |
dc0b027d | 1494 | encode_share_access(xdr, arg->fmode); |
1da177e4 LT |
1495 | } |
1496 | ||
cf8cdbe5 | 1497 | static void |
d017931c | 1498 | encode_putfh(struct xdr_stream *xdr, const struct nfs_fh *fh, struct compound_hdr *hdr) |
1da177e4 | 1499 | { |
ab19b481 | 1500 | encode_op_hdr(xdr, OP_PUTFH, decode_putfh_maxsz, hdr); |
6fdfb0bc | 1501 | encode_string(xdr, fh->size, fh->data); |
1da177e4 LT |
1502 | } |
1503 | ||
cf8cdbe5 | 1504 | static void encode_putrootfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1505 | { |
ab19b481 | 1506 | encode_op_hdr(xdr, OP_PUTROOTFH, decode_putrootfh_maxsz, hdr); |
1da177e4 LT |
1507 | } |
1508 | ||
cf8cdbe5 | 1509 | static void encode_read(struct xdr_stream *xdr, const struct nfs_readargs *args, struct compound_hdr *hdr) |
1da177e4 | 1510 | { |
8687b63a | 1511 | __be32 *p; |
1da177e4 | 1512 | |
ab19b481 | 1513 | encode_op_hdr(xdr, OP_READ, decode_read_maxsz, hdr); |
9b206149 | 1514 | encode_nfs4_stateid(xdr, &args->stateid); |
1da177e4 | 1515 | |
13c65ce9 | 1516 | p = reserve_space(xdr, 12); |
b95be5a9 | 1517 | p = xdr_encode_hyper(p, args->offset); |
34558513 | 1518 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1519 | } |
1520 | ||
cf8cdbe5 | 1521 | static void encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg *readdir, struct rpc_rqst *req, struct compound_hdr *hdr) |
1da177e4 | 1522 | { |
28331a46 TM |
1523 | uint32_t attrs[2] = { |
1524 | FATTR4_WORD0_RDATTR_ERROR, | |
1525 | FATTR4_WORD1_MOUNTED_ON_FILEID, | |
1526 | }; | |
6f7a35bd | 1527 | uint32_t dircount = readdir->count >> 1; |
cd93710e | 1528 | __be32 *p, verf[2]; |
1da177e4 | 1529 | |
82f2e547 BS |
1530 | if (readdir->plus) { |
1531 | attrs[0] |= FATTR4_WORD0_TYPE|FATTR4_WORD0_CHANGE|FATTR4_WORD0_SIZE| | |
28331a46 | 1532 | FATTR4_WORD0_FSID|FATTR4_WORD0_FILEHANDLE|FATTR4_WORD0_FILEID; |
82f2e547 BS |
1533 | attrs[1] |= FATTR4_WORD1_MODE|FATTR4_WORD1_NUMLINKS|FATTR4_WORD1_OWNER| |
1534 | FATTR4_WORD1_OWNER_GROUP|FATTR4_WORD1_RAWDEV| | |
1535 | FATTR4_WORD1_SPACE_USED|FATTR4_WORD1_TIME_ACCESS| | |
1536 | FATTR4_WORD1_TIME_METADATA|FATTR4_WORD1_TIME_MODIFY; | |
6f7a35bd | 1537 | dircount >>= 1; |
82f2e547 | 1538 | } |
28331a46 TM |
1539 | /* Use mounted_on_fileid only if the server supports it */ |
1540 | if (!(readdir->bitmask[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) | |
1541 | attrs[0] |= FATTR4_WORD0_FILEID; | |
82f2e547 | 1542 | |
475d4ba0 | 1543 | encode_op_hdr(xdr, OP_READDIR, decode_readdir_maxsz, hdr); |
ff2eb681 | 1544 | encode_uint64(xdr, readdir->cookie); |
cd93710e CL |
1545 | encode_nfs4_verifier(xdr, &readdir->verifier); |
1546 | p = reserve_space(xdr, 20); | |
6f7a35bd | 1547 | *p++ = cpu_to_be32(dircount); |
e75bc1c8 BH |
1548 | *p++ = cpu_to_be32(readdir->count); |
1549 | *p++ = cpu_to_be32(2); | |
82f2e547 | 1550 | |
e75bc1c8 | 1551 | *p++ = cpu_to_be32(attrs[0] & readdir->bitmask[0]); |
34558513 | 1552 | *p = cpu_to_be32(attrs[1] & readdir->bitmask[1]); |
cd93710e | 1553 | memcpy(verf, readdir->verifier.data, sizeof(verf)); |
44109241 FI |
1554 | dprintk("%s: cookie = %Lu, verifier = %08x:%08x, bitmap = %08x:%08x\n", |
1555 | __func__, | |
eadf4598 | 1556 | (unsigned long long)readdir->cookie, |
cd93710e | 1557 | verf[0], verf[1], |
eadf4598 TM |
1558 | attrs[0] & readdir->bitmask[0], |
1559 | attrs[1] & readdir->bitmask[1]); | |
1da177e4 LT |
1560 | } |
1561 | ||
cf8cdbe5 | 1562 | static void encode_readlink(struct xdr_stream *xdr, const struct nfs4_readlink *readlink, struct rpc_rqst *req, struct compound_hdr *hdr) |
1da177e4 | 1563 | { |
ab19b481 | 1564 | encode_op_hdr(xdr, OP_READLINK, decode_readlink_maxsz, hdr); |
1da177e4 LT |
1565 | } |
1566 | ||
cf8cdbe5 | 1567 | static void encode_remove(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1568 | { |
ab19b481 | 1569 | encode_op_hdr(xdr, OP_REMOVE, decode_remove_maxsz, hdr); |
6fdfb0bc | 1570 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1571 | } |
1572 | ||
cf8cdbe5 | 1573 | static void encode_rename(struct xdr_stream *xdr, const struct qstr *oldname, const struct qstr *newname, struct compound_hdr *hdr) |
1da177e4 | 1574 | { |
ab19b481 | 1575 | encode_op_hdr(xdr, OP_RENAME, decode_rename_maxsz, hdr); |
811652bd BH |
1576 | encode_string(xdr, oldname->len, oldname->name); |
1577 | encode_string(xdr, newname->len, newname->name); | |
1da177e4 LT |
1578 | } |
1579 | ||
bb4dae5e CL |
1580 | static void encode_renew(struct xdr_stream *xdr, clientid4 clid, |
1581 | struct compound_hdr *hdr) | |
1da177e4 | 1582 | { |
475d4ba0 | 1583 | encode_op_hdr(xdr, OP_RENEW, decode_renew_maxsz, hdr); |
ff2eb681 | 1584 | encode_uint64(xdr, clid); |
1da177e4 LT |
1585 | } |
1586 | ||
cf8cdbe5 | 1587 | static void |
d017931c | 1588 | encode_restorefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
56ae19f3 | 1589 | { |
ab19b481 | 1590 | encode_op_hdr(xdr, OP_RESTOREFH, decode_restorefh_maxsz, hdr); |
56ae19f3 TM |
1591 | } |
1592 | ||
9f06c719 | 1593 | static void |
d017931c | 1594 | encode_setacl(struct xdr_stream *xdr, struct nfs_setaclargs *arg, struct compound_hdr *hdr) |
23ec6965 | 1595 | { |
8687b63a | 1596 | __be32 *p; |
23ec6965 | 1597 | |
ab19b481 | 1598 | encode_op_hdr(xdr, OP_SETATTR, decode_setacl_maxsz, hdr); |
ea9d23f5 | 1599 | encode_nfs4_stateid(xdr, &zero_stateid); |
13c65ce9 | 1600 | p = reserve_space(xdr, 2*4); |
e75bc1c8 | 1601 | *p++ = cpu_to_be32(1); |
34558513 | 1602 | *p = cpu_to_be32(FATTR4_WORD0_ACL); |
13c65ce9 | 1603 | p = reserve_space(xdr, 4); |
34558513 | 1604 | *p = cpu_to_be32(arg->acl_len); |
23ec6965 | 1605 | xdr_write_pages(xdr, arg->acl_pages, arg->acl_pgbase, arg->acl_len); |
23ec6965 BF |
1606 | } |
1607 | ||
cf8cdbe5 | 1608 | static void |
d017931c | 1609 | encode_savefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1610 | { |
ab19b481 | 1611 | encode_op_hdr(xdr, OP_SAVEFH, decode_savefh_maxsz, hdr); |
1da177e4 LT |
1612 | } |
1613 | ||
cf8cdbe5 | 1614 | static void encode_setattr(struct xdr_stream *xdr, const struct nfs_setattrargs *arg, const struct nfs_server *server, struct compound_hdr *hdr) |
1da177e4 | 1615 | { |
ab19b481 | 1616 | encode_op_hdr(xdr, OP_SETATTR, decode_setattr_maxsz, hdr); |
ea9d23f5 | 1617 | encode_nfs4_stateid(xdr, &arg->stateid); |
cf8cdbe5 | 1618 | encode_attrs(xdr, arg->iap, server); |
1da177e4 LT |
1619 | } |
1620 | ||
cf8cdbe5 | 1621 | static void encode_setclientid(struct xdr_stream *xdr, const struct nfs4_setclientid *setclientid, struct compound_hdr *hdr) |
1da177e4 | 1622 | { |
8687b63a | 1623 | __be32 *p; |
1da177e4 | 1624 | |
70019514 | 1625 | encode_op_hdr(xdr, OP_SETCLIENTID, decode_setclientid_maxsz, hdr); |
cd93710e | 1626 | encode_nfs4_verifier(xdr, setclientid->sc_verifier); |
1da177e4 LT |
1627 | |
1628 | encode_string(xdr, setclientid->sc_name_len, setclientid->sc_name); | |
13c65ce9 | 1629 | p = reserve_space(xdr, 4); |
34558513 | 1630 | *p = cpu_to_be32(setclientid->sc_prog); |
1da177e4 LT |
1631 | encode_string(xdr, setclientid->sc_netid_len, setclientid->sc_netid); |
1632 | encode_string(xdr, setclientid->sc_uaddr_len, setclientid->sc_uaddr); | |
13c65ce9 | 1633 | p = reserve_space(xdr, 4); |
34558513 | 1634 | *p = cpu_to_be32(setclientid->sc_cb_ident); |
1da177e4 LT |
1635 | } |
1636 | ||
bb8b27e5 | 1637 | static void encode_setclientid_confirm(struct xdr_stream *xdr, const struct nfs4_setclientid_res *arg, struct compound_hdr *hdr) |
1da177e4 | 1638 | { |
475d4ba0 TM |
1639 | encode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM, |
1640 | decode_setclientid_confirm_maxsz, hdr); | |
ff2eb681 | 1641 | encode_uint64(xdr, arg->clientid); |
cd93710e | 1642 | encode_nfs4_verifier(xdr, &arg->confirm); |
1da177e4 LT |
1643 | } |
1644 | ||
cf8cdbe5 | 1645 | static void encode_write(struct xdr_stream *xdr, const struct nfs_writeargs *args, struct compound_hdr *hdr) |
1da177e4 | 1646 | { |
8687b63a | 1647 | __be32 *p; |
1da177e4 | 1648 | |
ab19b481 | 1649 | encode_op_hdr(xdr, OP_WRITE, decode_write_maxsz, hdr); |
9b206149 | 1650 | encode_nfs4_stateid(xdr, &args->stateid); |
1da177e4 | 1651 | |
13c65ce9 | 1652 | p = reserve_space(xdr, 16); |
b95be5a9 | 1653 | p = xdr_encode_hyper(p, args->offset); |
e75bc1c8 | 1654 | *p++ = cpu_to_be32(args->stable); |
34558513 | 1655 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1656 | |
1657 | xdr_write_pages(xdr, args->pages, args->pgbase, args->count); | |
1da177e4 LT |
1658 | } |
1659 | ||
cf8cdbe5 | 1660 | static void encode_delegreturn(struct xdr_stream *xdr, const nfs4_stateid *stateid, struct compound_hdr *hdr) |
1da177e4 | 1661 | { |
ab19b481 | 1662 | encode_op_hdr(xdr, OP_DELEGRETURN, decode_delegreturn_maxsz, hdr); |
ea9d23f5 | 1663 | encode_nfs4_stateid(xdr, stateid); |
1da177e4 | 1664 | } |
9b7b9fcc | 1665 | |
5a5ea0d4 BS |
1666 | static void encode_secinfo(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1667 | { | |
ab19b481 | 1668 | encode_op_hdr(xdr, OP_SECINFO, decode_secinfo_maxsz, hdr); |
6fdfb0bc | 1669 | encode_string(xdr, name->len, name->name); |
5a5ea0d4 BS |
1670 | } |
1671 | ||
99fe60d0 | 1672 | #if defined(CONFIG_NFS_V4_1) |
9b7b9fcc | 1673 | /* NFSv4.1 operations */ |
7c44f1ae WAA |
1674 | static void encode_bind_conn_to_session(struct xdr_stream *xdr, |
1675 | struct nfs4_session *session, | |
1676 | struct compound_hdr *hdr) | |
1677 | { | |
1678 | __be32 *p; | |
1679 | ||
1680 | encode_op_hdr(xdr, OP_BIND_CONN_TO_SESSION, | |
1681 | decode_bind_conn_to_session_maxsz, hdr); | |
1682 | encode_opaque_fixed(xdr, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); | |
1683 | p = xdr_reserve_space(xdr, 8); | |
1684 | *p++ = cpu_to_be32(NFS4_CDFC4_BACK_OR_BOTH); | |
1685 | *p = 0; /* use_conn_in_rdma_mode = False */ | |
1686 | } | |
1687 | ||
99fe60d0 BH |
1688 | static void encode_exchange_id(struct xdr_stream *xdr, |
1689 | struct nfs41_exchange_id_args *args, | |
1690 | struct compound_hdr *hdr) | |
1691 | { | |
1692 | __be32 *p; | |
d751f748 | 1693 | char impl_name[IMPL_NAME_LIMIT]; |
db8ac8ba | 1694 | int len = 0; |
99fe60d0 | 1695 | |
70019514 | 1696 | encode_op_hdr(xdr, OP_EXCHANGE_ID, decode_exchange_id_maxsz, hdr); |
cd93710e | 1697 | encode_nfs4_verifier(xdr, args->verifier); |
99fe60d0 BH |
1698 | |
1699 | encode_string(xdr, args->id_len, args->id); | |
1700 | ||
13c65ce9 | 1701 | p = reserve_space(xdr, 12); |
e75bc1c8 BH |
1702 | *p++ = cpu_to_be32(args->flags); |
1703 | *p++ = cpu_to_be32(0); /* zero length state_protect4_a */ | |
db8ac8ba WAA |
1704 | |
1705 | if (send_implementation_id && | |
1706 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) > 1 && | |
1707 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) | |
d751f748 | 1708 | <= sizeof(impl_name) + 1) |
db8ac8ba WAA |
1709 | len = snprintf(impl_name, sizeof(impl_name), "%s %s %s %s", |
1710 | utsname()->sysname, utsname()->release, | |
1711 | utsname()->version, utsname()->machine); | |
1712 | ||
1713 | if (len > 0) { | |
1714 | *p = cpu_to_be32(1); /* implementation id array length=1 */ | |
1715 | ||
1716 | encode_string(xdr, | |
1717 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) - 1, | |
1718 | CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN); | |
1719 | encode_string(xdr, len, impl_name); | |
1720 | /* just send zeros for nii_date - the date is in nii_name */ | |
1721 | p = reserve_space(xdr, 12); | |
1722 | p = xdr_encode_hyper(p, 0); | |
1723 | *p = cpu_to_be32(0); | |
1724 | } else | |
1725 | *p = cpu_to_be32(0); /* implementation id array length=0 */ | |
99fe60d0 | 1726 | } |
fc931582 AA |
1727 | |
1728 | static void encode_create_session(struct xdr_stream *xdr, | |
1729 | struct nfs41_create_session_args *args, | |
1730 | struct compound_hdr *hdr) | |
1731 | { | |
1732 | __be32 *p; | |
1733 | char machine_name[NFS4_MAX_MACHINE_NAME_LEN]; | |
1734 | uint32_t len; | |
1735 | struct nfs_client *clp = args->client; | |
f092075d | 1736 | struct nfs_net *nn = net_generic(clp->cl_net, nfs_net_id); |
8e0d46e1 MS |
1737 | u32 max_resp_sz_cached; |
1738 | ||
1739 | /* | |
1740 | * Assumes OPEN is the biggest non-idempotent compound. | |
1741 | * 2 is the verifier. | |
1742 | */ | |
1743 | max_resp_sz_cached = (NFS4_dec_open_sz + RPC_REPHDRSIZE + | |
1744 | RPC_MAX_AUTH_SIZE + 2) * XDR_UNIT; | |
fc931582 | 1745 | |
42edd698 BH |
1746 | len = scnprintf(machine_name, sizeof(machine_name), "%s", |
1747 | clp->cl_ipaddr); | |
fc931582 | 1748 | |
475d4ba0 TM |
1749 | encode_op_hdr(xdr, OP_CREATE_SESSION, decode_create_session_maxsz, hdr); |
1750 | p = reserve_space(xdr, 16 + 2*28 + 20 + len + 12); | |
114f64b5 | 1751 | p = xdr_encode_hyper(p, clp->cl_clientid); |
e75bc1c8 BH |
1752 | *p++ = cpu_to_be32(clp->cl_seqid); /*Sequence id */ |
1753 | *p++ = cpu_to_be32(args->flags); /*flags */ | |
fc931582 | 1754 | |
fc931582 | 1755 | /* Fore Channel */ |
c9c30dd5 | 1756 | *p++ = cpu_to_be32(0); /* header padding size */ |
e75bc1c8 BH |
1757 | *p++ = cpu_to_be32(args->fc_attrs.max_rqst_sz); /* max req size */ |
1758 | *p++ = cpu_to_be32(args->fc_attrs.max_resp_sz); /* max resp size */ | |
8e0d46e1 | 1759 | *p++ = cpu_to_be32(max_resp_sz_cached); /* Max resp sz cached */ |
e75bc1c8 BH |
1760 | *p++ = cpu_to_be32(args->fc_attrs.max_ops); /* max operations */ |
1761 | *p++ = cpu_to_be32(args->fc_attrs.max_reqs); /* max requests */ | |
1762 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ | |
fc931582 AA |
1763 | |
1764 | /* Back Channel */ | |
c9c30dd5 | 1765 | *p++ = cpu_to_be32(0); /* header padding size */ |
e75bc1c8 BH |
1766 | *p++ = cpu_to_be32(args->bc_attrs.max_rqst_sz); /* max req size */ |
1767 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz); /* max resp size */ | |
1768 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz_cached); /* Max resp sz cached */ | |
1769 | *p++ = cpu_to_be32(args->bc_attrs.max_ops); /* max operations */ | |
1770 | *p++ = cpu_to_be32(args->bc_attrs.max_reqs); /* max requests */ | |
1771 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ | |
fc931582 | 1772 | |
e75bc1c8 | 1773 | *p++ = cpu_to_be32(args->cb_program); /* cb_program */ |
e75bc1c8 | 1774 | *p++ = cpu_to_be32(1); |
e75bc1c8 | 1775 | *p++ = cpu_to_be32(RPC_AUTH_UNIX); /* auth_sys */ |
fc931582 AA |
1776 | |
1777 | /* authsys_parms rfc1831 */ | |
f092075d | 1778 | *p++ = (__be32)nn->boot_time.tv_nsec; /* stamp */ |
811652bd | 1779 | p = xdr_encode_opaque(p, machine_name, len); |
e75bc1c8 BH |
1780 | *p++ = cpu_to_be32(0); /* UID */ |
1781 | *p++ = cpu_to_be32(0); /* GID */ | |
34558513 | 1782 | *p = cpu_to_be32(0); /* No more gids */ |
fc931582 | 1783 | } |
0f3e66c6 AA |
1784 | |
1785 | static void encode_destroy_session(struct xdr_stream *xdr, | |
1786 | struct nfs4_session *session, | |
1787 | struct compound_hdr *hdr) | |
1788 | { | |
475d4ba0 TM |
1789 | encode_op_hdr(xdr, OP_DESTROY_SESSION, decode_destroy_session_maxsz, hdr); |
1790 | encode_opaque_fixed(xdr, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); | |
0f3e66c6 | 1791 | } |
18019753 | 1792 | |
66245539 TM |
1793 | static void encode_destroy_clientid(struct xdr_stream *xdr, |
1794 | uint64_t clientid, | |
1795 | struct compound_hdr *hdr) | |
1796 | { | |
1797 | encode_op_hdr(xdr, OP_DESTROY_CLIENTID, decode_destroy_clientid_maxsz, hdr); | |
1798 | encode_uint64(xdr, clientid); | |
1799 | } | |
1800 | ||
18019753 RL |
1801 | static void encode_reclaim_complete(struct xdr_stream *xdr, |
1802 | struct nfs41_reclaim_complete_args *args, | |
1803 | struct compound_hdr *hdr) | |
1804 | { | |
475d4ba0 TM |
1805 | encode_op_hdr(xdr, OP_RECLAIM_COMPLETE, decode_reclaim_complete_maxsz, hdr); |
1806 | encode_uint32(xdr, args->one_fs); | |
18019753 | 1807 | } |
99fe60d0 BH |
1808 | #endif /* CONFIG_NFS_V4_1 */ |
1809 | ||
9b7b9fcc AA |
1810 | static void encode_sequence(struct xdr_stream *xdr, |
1811 | const struct nfs4_sequence_args *args, | |
1812 | struct compound_hdr *hdr) | |
1813 | { | |
1814 | #if defined(CONFIG_NFS_V4_1) | |
2b2fa717 | 1815 | struct nfs4_session *session; |
fc01cea9 | 1816 | struct nfs4_slot_table *tp; |
2b2fa717 | 1817 | struct nfs4_slot *slot = args->sa_slot; |
fc01cea9 | 1818 | __be32 *p; |
9b7b9fcc | 1819 | |
2b2fa717 | 1820 | if (slot == NULL) |
9b7b9fcc AA |
1821 | return; |
1822 | ||
2b2fa717 TM |
1823 | tp = slot->table; |
1824 | session = tp->session; | |
fc01cea9 | 1825 | |
475d4ba0 | 1826 | encode_op_hdr(xdr, OP_SEQUENCE, decode_sequence_maxsz, hdr); |
fc01cea9 AA |
1827 | |
1828 | /* | |
1829 | * Sessionid + seqid + slotid + max slotid + cache_this | |
1830 | */ | |
1831 | dprintk("%s: sessionid=%u:%u:%u:%u seqid=%d slotid=%d " | |
1832 | "max_slotid=%d cache_this=%d\n", | |
1833 | __func__, | |
1834 | ((u32 *)session->sess_id.data)[0], | |
1835 | ((u32 *)session->sess_id.data)[1], | |
1836 | ((u32 *)session->sess_id.data)[2], | |
1837 | ((u32 *)session->sess_id.data)[3], | |
2b2fa717 | 1838 | slot->seq_nr, slot->slot_nr, |
fc01cea9 | 1839 | tp->highest_used_slotid, args->sa_cache_this); |
475d4ba0 | 1840 | p = reserve_space(xdr, NFS4_MAX_SESSIONID_LEN + 16); |
93f0cf25 | 1841 | p = xdr_encode_opaque_fixed(p, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); |
e75bc1c8 | 1842 | *p++ = cpu_to_be32(slot->seq_nr); |
2b2fa717 | 1843 | *p++ = cpu_to_be32(slot->slot_nr); |
e75bc1c8 | 1844 | *p++ = cpu_to_be32(tp->highest_used_slotid); |
34558513 | 1845 | *p = cpu_to_be32(args->sa_cache_this); |
9b7b9fcc AA |
1846 | #endif /* CONFIG_NFS_V4_1 */ |
1847 | } | |
1848 | ||
b1f69b75 | 1849 | #ifdef CONFIG_NFS_V4_1 |
7f11d8d3 AA |
1850 | static void |
1851 | encode_getdevicelist(struct xdr_stream *xdr, | |
1852 | const struct nfs4_getdevicelist_args *args, | |
1853 | struct compound_hdr *hdr) | |
1854 | { | |
1855 | __be32 *p; | |
1856 | nfs4_verifier dummy = { | |
1857 | .data = "dummmmmy", | |
1858 | }; | |
1859 | ||
475d4ba0 TM |
1860 | encode_op_hdr(xdr, OP_GETDEVICELIST, decode_getdevicelist_maxsz, hdr); |
1861 | p = reserve_space(xdr, 16); | |
7f11d8d3 AA |
1862 | *p++ = cpu_to_be32(args->layoutclass); |
1863 | *p++ = cpu_to_be32(NFS4_PNFS_GETDEVLIST_MAXNUM); | |
1864 | xdr_encode_hyper(p, 0ULL); /* cookie */ | |
1865 | encode_nfs4_verifier(xdr, &dummy); | |
7f11d8d3 AA |
1866 | } |
1867 | ||
b1f69b75 AA |
1868 | static void |
1869 | encode_getdeviceinfo(struct xdr_stream *xdr, | |
1870 | const struct nfs4_getdeviceinfo_args *args, | |
1871 | struct compound_hdr *hdr) | |
1872 | { | |
1873 | __be32 *p; | |
1874 | ||
475d4ba0 TM |
1875 | encode_op_hdr(xdr, OP_GETDEVICEINFO, decode_getdeviceinfo_maxsz, hdr); |
1876 | p = reserve_space(xdr, 12 + NFS4_DEVICEID4_SIZE); | |
b1f69b75 AA |
1877 | p = xdr_encode_opaque_fixed(p, args->pdev->dev_id.data, |
1878 | NFS4_DEVICEID4_SIZE); | |
1879 | *p++ = cpu_to_be32(args->pdev->layout_type); | |
1880 | *p++ = cpu_to_be32(args->pdev->pglen); /* gdia_maxcount */ | |
1881 | *p++ = cpu_to_be32(0); /* bitmap length 0 */ | |
b1f69b75 AA |
1882 | } |
1883 | ||
1884 | static void | |
1885 | encode_layoutget(struct xdr_stream *xdr, | |
1886 | const struct nfs4_layoutget_args *args, | |
1887 | struct compound_hdr *hdr) | |
1888 | { | |
b1f69b75 AA |
1889 | __be32 *p; |
1890 | ||
475d4ba0 TM |
1891 | encode_op_hdr(xdr, OP_LAYOUTGET, decode_layoutget_maxsz, hdr); |
1892 | p = reserve_space(xdr, 36); | |
b1f69b75 AA |
1893 | *p++ = cpu_to_be32(0); /* Signal layout available */ |
1894 | *p++ = cpu_to_be32(args->type); | |
1895 | *p++ = cpu_to_be32(args->range.iomode); | |
1896 | p = xdr_encode_hyper(p, args->range.offset); | |
1897 | p = xdr_encode_hyper(p, args->range.length); | |
1898 | p = xdr_encode_hyper(p, args->minlength); | |
ea9d23f5 | 1899 | encode_nfs4_stateid(xdr, &args->stateid); |
475d4ba0 | 1900 | encode_uint32(xdr, args->maxcount); |
b1f69b75 AA |
1901 | |
1902 | dprintk("%s: 1st type:0x%x iomode:%d off:%lu len:%lu mc:%d\n", | |
1903 | __func__, | |
1904 | args->type, | |
1905 | args->range.iomode, | |
1906 | (unsigned long)args->range.offset, | |
1907 | (unsigned long)args->range.length, | |
1908 | args->maxcount); | |
b1f69b75 | 1909 | } |
863a3c6c AA |
1910 | |
1911 | static int | |
1912 | encode_layoutcommit(struct xdr_stream *xdr, | |
ac7db726 | 1913 | struct inode *inode, |
863a3c6c AA |
1914 | const struct nfs4_layoutcommit_args *args, |
1915 | struct compound_hdr *hdr) | |
1916 | { | |
1917 | __be32 *p; | |
1918 | ||
1919 | dprintk("%s: lbw: %llu type: %d\n", __func__, args->lastbytewritten, | |
1920 | NFS_SERVER(args->inode)->pnfs_curr_ld->id); | |
1921 | ||
475d4ba0 TM |
1922 | encode_op_hdr(xdr, OP_LAYOUTCOMMIT, decode_layoutcommit_maxsz, hdr); |
1923 | p = reserve_space(xdr, 20); | |
863a3c6c AA |
1924 | /* Only whole file layouts */ |
1925 | p = xdr_encode_hyper(p, 0); /* offset */ | |
3557c6c3 | 1926 | p = xdr_encode_hyper(p, args->lastbytewritten + 1); /* length */ |
ea9d23f5 TM |
1927 | *p = cpu_to_be32(0); /* reclaim */ |
1928 | encode_nfs4_stateid(xdr, &args->stateid); | |
1929 | p = reserve_space(xdr, 20); | |
863a3c6c AA |
1930 | *p++ = cpu_to_be32(1); /* newoffset = TRUE */ |
1931 | p = xdr_encode_hyper(p, args->lastbytewritten); | |
1932 | *p++ = cpu_to_be32(0); /* Never send time_modify_changed */ | |
1933 | *p++ = cpu_to_be32(NFS_SERVER(args->inode)->pnfs_curr_ld->id);/* type */ | |
ac7db726 BH |
1934 | |
1935 | if (NFS_SERVER(inode)->pnfs_curr_ld->encode_layoutcommit) | |
1936 | NFS_SERVER(inode)->pnfs_curr_ld->encode_layoutcommit( | |
1937 | NFS_I(inode)->layout, xdr, args); | |
475d4ba0 TM |
1938 | else |
1939 | encode_uint32(xdr, 0); /* no layout-type payload */ | |
863a3c6c | 1940 | |
863a3c6c AA |
1941 | return 0; |
1942 | } | |
cbe82603 BH |
1943 | |
1944 | static void | |
1945 | encode_layoutreturn(struct xdr_stream *xdr, | |
1946 | const struct nfs4_layoutreturn_args *args, | |
1947 | struct compound_hdr *hdr) | |
1948 | { | |
1949 | __be32 *p; | |
1950 | ||
475d4ba0 TM |
1951 | encode_op_hdr(xdr, OP_LAYOUTRETURN, decode_layoutreturn_maxsz, hdr); |
1952 | p = reserve_space(xdr, 16); | |
cbe82603 BH |
1953 | *p++ = cpu_to_be32(0); /* reclaim. always 0 for now */ |
1954 | *p++ = cpu_to_be32(args->layout_type); | |
1955 | *p++ = cpu_to_be32(IOMODE_ANY); | |
1956 | *p = cpu_to_be32(RETURN_FILE); | |
ea9d23f5 | 1957 | p = reserve_space(xdr, 16); |
cbe82603 BH |
1958 | p = xdr_encode_hyper(p, 0); |
1959 | p = xdr_encode_hyper(p, NFS4_MAX_UINT64); | |
1960 | spin_lock(&args->inode->i_lock); | |
ea9d23f5 | 1961 | encode_nfs4_stateid(xdr, &args->stateid); |
cbe82603 | 1962 | spin_unlock(&args->inode->i_lock); |
04a55549 AA |
1963 | if (NFS_SERVER(args->inode)->pnfs_curr_ld->encode_layoutreturn) { |
1964 | NFS_SERVER(args->inode)->pnfs_curr_ld->encode_layoutreturn( | |
1965 | NFS_I(args->inode)->layout, xdr, args); | |
475d4ba0 TM |
1966 | } else |
1967 | encode_uint32(xdr, 0); | |
cbe82603 | 1968 | } |
fca78d6d BS |
1969 | |
1970 | static int | |
1971 | encode_secinfo_no_name(struct xdr_stream *xdr, | |
1972 | const struct nfs41_secinfo_no_name_args *args, | |
1973 | struct compound_hdr *hdr) | |
1974 | { | |
475d4ba0 TM |
1975 | encode_op_hdr(xdr, OP_SECINFO_NO_NAME, decode_secinfo_no_name_maxsz, hdr); |
1976 | encode_uint32(xdr, args->style); | |
fca78d6d BS |
1977 | return 0; |
1978 | } | |
7d974794 BS |
1979 | |
1980 | static void encode_test_stateid(struct xdr_stream *xdr, | |
1981 | struct nfs41_test_stateid_args *args, | |
1982 | struct compound_hdr *hdr) | |
1983 | { | |
475d4ba0 TM |
1984 | encode_op_hdr(xdr, OP_TEST_STATEID, decode_test_stateid_maxsz, hdr); |
1985 | encode_uint32(xdr, 1); | |
ea9d23f5 | 1986 | encode_nfs4_stateid(xdr, args->stateid); |
7d974794 | 1987 | } |
9aeda35f BS |
1988 | |
1989 | static void encode_free_stateid(struct xdr_stream *xdr, | |
1990 | struct nfs41_free_stateid_args *args, | |
1991 | struct compound_hdr *hdr) | |
1992 | { | |
ab19b481 | 1993 | encode_op_hdr(xdr, OP_FREE_STATEID, decode_free_stateid_maxsz, hdr); |
ea9d23f5 | 1994 | encode_nfs4_stateid(xdr, args->stateid); |
9aeda35f | 1995 | } |
b1f69b75 AA |
1996 | #endif /* CONFIG_NFS_V4_1 */ |
1997 | ||
1da177e4 LT |
1998 | /* |
1999 | * END OF "GENERIC" ENCODE ROUTINES. | |
2000 | */ | |
2001 | ||
66cc0429 BH |
2002 | static u32 nfs4_xdr_minorversion(const struct nfs4_sequence_args *args) |
2003 | { | |
2004 | #if defined(CONFIG_NFS_V4_1) | |
2b2fa717 TM |
2005 | |
2006 | if (args->sa_slot) | |
2007 | return args->sa_slot->table->session->clp->cl_mvops->minor_version; | |
66cc0429 BH |
2008 | #endif /* CONFIG_NFS_V4_1 */ |
2009 | return 0; | |
2010 | } | |
2011 | ||
1da177e4 LT |
2012 | /* |
2013 | * Encode an ACCESS request | |
2014 | */ | |
9f06c719 CL |
2015 | static void nfs4_xdr_enc_access(struct rpc_rqst *req, struct xdr_stream *xdr, |
2016 | const struct nfs4_accessargs *args) | |
1da177e4 | 2017 | { |
1da177e4 | 2018 | struct compound_hdr hdr = { |
66cc0429 | 2019 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2020 | }; |
1da177e4 | 2021 | |
9f06c719 CL |
2022 | encode_compound_hdr(xdr, req, &hdr); |
2023 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2024 | encode_putfh(xdr, args->fh, &hdr); | |
2025 | encode_access(xdr, args->access, &hdr); | |
2026 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2027 | encode_nops(&hdr); |
1da177e4 LT |
2028 | } |
2029 | ||
2030 | /* | |
2031 | * Encode LOOKUP request | |
2032 | */ | |
9f06c719 CL |
2033 | static void nfs4_xdr_enc_lookup(struct rpc_rqst *req, struct xdr_stream *xdr, |
2034 | const struct nfs4_lookup_arg *args) | |
1da177e4 | 2035 | { |
1da177e4 | 2036 | struct compound_hdr hdr = { |
66cc0429 | 2037 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2038 | }; |
1da177e4 | 2039 | |
9f06c719 CL |
2040 | encode_compound_hdr(xdr, req, &hdr); |
2041 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2042 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2043 | encode_lookup(xdr, args->name, &hdr); | |
2044 | encode_getfh(xdr, &hdr); | |
2045 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2046 | encode_nops(&hdr); |
1da177e4 LT |
2047 | } |
2048 | ||
2049 | /* | |
2050 | * Encode LOOKUP_ROOT request | |
2051 | */ | |
9f06c719 CL |
2052 | static void nfs4_xdr_enc_lookup_root(struct rpc_rqst *req, |
2053 | struct xdr_stream *xdr, | |
2054 | const struct nfs4_lookup_root_arg *args) | |
1da177e4 | 2055 | { |
1da177e4 | 2056 | struct compound_hdr hdr = { |
66cc0429 | 2057 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2058 | }; |
1da177e4 | 2059 | |
9f06c719 CL |
2060 | encode_compound_hdr(xdr, req, &hdr); |
2061 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2062 | encode_putrootfh(xdr, &hdr); | |
2063 | encode_getfh(xdr, &hdr); | |
2064 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2065 | encode_nops(&hdr); |
1da177e4 LT |
2066 | } |
2067 | ||
2068 | /* | |
2069 | * Encode REMOVE request | |
2070 | */ | |
9f06c719 CL |
2071 | static void nfs4_xdr_enc_remove(struct rpc_rqst *req, struct xdr_stream *xdr, |
2072 | const struct nfs_removeargs *args) | |
1da177e4 | 2073 | { |
1da177e4 | 2074 | struct compound_hdr hdr = { |
66cc0429 | 2075 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2076 | }; |
1da177e4 | 2077 | |
9f06c719 CL |
2078 | encode_compound_hdr(xdr, req, &hdr); |
2079 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2080 | encode_putfh(xdr, args->fh, &hdr); | |
2081 | encode_remove(xdr, &args->name, &hdr); | |
d017931c | 2082 | encode_nops(&hdr); |
1da177e4 LT |
2083 | } |
2084 | ||
2085 | /* | |
2086 | * Encode RENAME request | |
2087 | */ | |
9f06c719 CL |
2088 | static void nfs4_xdr_enc_rename(struct rpc_rqst *req, struct xdr_stream *xdr, |
2089 | const struct nfs_renameargs *args) | |
1da177e4 | 2090 | { |
1da177e4 | 2091 | struct compound_hdr hdr = { |
66cc0429 | 2092 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2093 | }; |
1da177e4 | 2094 | |
9f06c719 CL |
2095 | encode_compound_hdr(xdr, req, &hdr); |
2096 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2097 | encode_putfh(xdr, args->old_dir, &hdr); | |
2098 | encode_savefh(xdr, &hdr); | |
2099 | encode_putfh(xdr, args->new_dir, &hdr); | |
2100 | encode_rename(xdr, args->old_name, args->new_name, &hdr); | |
d017931c | 2101 | encode_nops(&hdr); |
1da177e4 LT |
2102 | } |
2103 | ||
2104 | /* | |
2105 | * Encode LINK request | |
2106 | */ | |
9f06c719 CL |
2107 | static void nfs4_xdr_enc_link(struct rpc_rqst *req, struct xdr_stream *xdr, |
2108 | const struct nfs4_link_arg *args) | |
1da177e4 | 2109 | { |
1da177e4 | 2110 | struct compound_hdr hdr = { |
66cc0429 | 2111 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2112 | }; |
1da177e4 | 2113 | |
9f06c719 CL |
2114 | encode_compound_hdr(xdr, req, &hdr); |
2115 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2116 | encode_putfh(xdr, args->fh, &hdr); | |
2117 | encode_savefh(xdr, &hdr); | |
2118 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2119 | encode_link(xdr, args->name, &hdr); | |
9f06c719 CL |
2120 | encode_restorefh(xdr, &hdr); |
2121 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2122 | encode_nops(&hdr); |
1da177e4 LT |
2123 | } |
2124 | ||
2125 | /* | |
2126 | * Encode CREATE request | |
2127 | */ | |
9f06c719 CL |
2128 | static void nfs4_xdr_enc_create(struct rpc_rqst *req, struct xdr_stream *xdr, |
2129 | const struct nfs4_create_arg *args) | |
1da177e4 | 2130 | { |
1da177e4 | 2131 | struct compound_hdr hdr = { |
66cc0429 | 2132 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2133 | }; |
1da177e4 | 2134 | |
9f06c719 CL |
2135 | encode_compound_hdr(xdr, req, &hdr); |
2136 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2137 | encode_putfh(xdr, args->dir_fh, &hdr); | |
9f06c719 CL |
2138 | encode_create(xdr, args, &hdr); |
2139 | encode_getfh(xdr, &hdr); | |
2140 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2141 | encode_nops(&hdr); |
1da177e4 LT |
2142 | } |
2143 | ||
2144 | /* | |
2145 | * Encode SYMLINK request | |
2146 | */ | |
9f06c719 CL |
2147 | static void nfs4_xdr_enc_symlink(struct rpc_rqst *req, struct xdr_stream *xdr, |
2148 | const struct nfs4_create_arg *args) | |
1da177e4 | 2149 | { |
9f06c719 | 2150 | nfs4_xdr_enc_create(req, xdr, args); |
1da177e4 LT |
2151 | } |
2152 | ||
2153 | /* | |
2154 | * Encode GETATTR request | |
2155 | */ | |
9f06c719 CL |
2156 | static void nfs4_xdr_enc_getattr(struct rpc_rqst *req, struct xdr_stream *xdr, |
2157 | const struct nfs4_getattr_arg *args) | |
1da177e4 | 2158 | { |
1da177e4 | 2159 | struct compound_hdr hdr = { |
66cc0429 | 2160 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2161 | }; |
1da177e4 | 2162 | |
9f06c719 CL |
2163 | encode_compound_hdr(xdr, req, &hdr); |
2164 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2165 | encode_putfh(xdr, args->fh, &hdr); | |
2166 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2167 | encode_nops(&hdr); |
1da177e4 LT |
2168 | } |
2169 | ||
2170 | /* | |
2171 | * Encode a CLOSE request | |
2172 | */ | |
9f06c719 CL |
2173 | static void nfs4_xdr_enc_close(struct rpc_rqst *req, struct xdr_stream *xdr, |
2174 | struct nfs_closeargs *args) | |
1da177e4 | 2175 | { |
05d564fe | 2176 | struct compound_hdr hdr = { |
66cc0429 | 2177 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 2178 | }; |
05d564fe | 2179 | |
9f06c719 CL |
2180 | encode_compound_hdr(xdr, req, &hdr); |
2181 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2182 | encode_putfh(xdr, args->fh, &hdr); | |
2183 | encode_close(xdr, args, &hdr); | |
2184 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2185 | encode_nops(&hdr); |
1da177e4 LT |
2186 | } |
2187 | ||
2188 | /* | |
2189 | * Encode an OPEN request | |
2190 | */ | |
9f06c719 CL |
2191 | static void nfs4_xdr_enc_open(struct rpc_rqst *req, struct xdr_stream *xdr, |
2192 | struct nfs_openargs *args) | |
1da177e4 | 2193 | { |
1da177e4 | 2194 | struct compound_hdr hdr = { |
66cc0429 | 2195 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2196 | }; |
1da177e4 | 2197 | |
9f06c719 CL |
2198 | encode_compound_hdr(xdr, req, &hdr); |
2199 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2200 | encode_putfh(xdr, args->fh, &hdr); | |
9f06c719 CL |
2201 | encode_open(xdr, args, &hdr); |
2202 | encode_getfh(xdr, &hdr); | |
ae2bb032 WAA |
2203 | if (args->access) |
2204 | encode_access(xdr, args->access, &hdr); | |
1549210f | 2205 | encode_getfattr_open(xdr, args->bitmask, args->open_bitmap, &hdr); |
d017931c | 2206 | encode_nops(&hdr); |
1da177e4 LT |
2207 | } |
2208 | ||
2209 | /* | |
2210 | * Encode an OPEN_CONFIRM request | |
2211 | */ | |
9f06c719 CL |
2212 | static void nfs4_xdr_enc_open_confirm(struct rpc_rqst *req, |
2213 | struct xdr_stream *xdr, | |
2214 | struct nfs_open_confirmargs *args) | |
1da177e4 | 2215 | { |
1da177e4 | 2216 | struct compound_hdr hdr = { |
d017931c | 2217 | .nops = 0, |
1da177e4 | 2218 | }; |
1da177e4 | 2219 | |
9f06c719 CL |
2220 | encode_compound_hdr(xdr, req, &hdr); |
2221 | encode_putfh(xdr, args->fh, &hdr); | |
2222 | encode_open_confirm(xdr, args, &hdr); | |
d017931c | 2223 | encode_nops(&hdr); |
1da177e4 LT |
2224 | } |
2225 | ||
2226 | /* | |
2227 | * Encode an OPEN request with no attributes. | |
2228 | */ | |
9f06c719 CL |
2229 | static void nfs4_xdr_enc_open_noattr(struct rpc_rqst *req, |
2230 | struct xdr_stream *xdr, | |
2231 | struct nfs_openargs *args) | |
1da177e4 | 2232 | { |
1da177e4 | 2233 | struct compound_hdr hdr = { |
66cc0429 | 2234 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2235 | }; |
1da177e4 | 2236 | |
9f06c719 CL |
2237 | encode_compound_hdr(xdr, req, &hdr); |
2238 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2239 | encode_putfh(xdr, args->fh, &hdr); | |
2240 | encode_open(xdr, args, &hdr); | |
ae2bb032 WAA |
2241 | if (args->access) |
2242 | encode_access(xdr, args->access, &hdr); | |
e23008ec | 2243 | encode_getfattr_open(xdr, args->bitmask, args->open_bitmap, &hdr); |
d017931c | 2244 | encode_nops(&hdr); |
1da177e4 LT |
2245 | } |
2246 | ||
2247 | /* | |
2248 | * Encode an OPEN_DOWNGRADE request | |
2249 | */ | |
9f06c719 CL |
2250 | static void nfs4_xdr_enc_open_downgrade(struct rpc_rqst *req, |
2251 | struct xdr_stream *xdr, | |
2252 | struct nfs_closeargs *args) | |
1da177e4 | 2253 | { |
1da177e4 | 2254 | struct compound_hdr hdr = { |
66cc0429 | 2255 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2256 | }; |
1da177e4 | 2257 | |
9f06c719 CL |
2258 | encode_compound_hdr(xdr, req, &hdr); |
2259 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2260 | encode_putfh(xdr, args->fh, &hdr); | |
2261 | encode_open_downgrade(xdr, args, &hdr); | |
2262 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2263 | encode_nops(&hdr); |
1da177e4 LT |
2264 | } |
2265 | ||
2266 | /* | |
2267 | * Encode a LOCK request | |
2268 | */ | |
9f06c719 CL |
2269 | static void nfs4_xdr_enc_lock(struct rpc_rqst *req, struct xdr_stream *xdr, |
2270 | struct nfs_lock_args *args) | |
1da177e4 | 2271 | { |
1da177e4 | 2272 | struct compound_hdr hdr = { |
66cc0429 | 2273 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2274 | }; |
1da177e4 | 2275 | |
9f06c719 CL |
2276 | encode_compound_hdr(xdr, req, &hdr); |
2277 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2278 | encode_putfh(xdr, args->fh, &hdr); | |
2279 | encode_lock(xdr, args, &hdr); | |
d017931c | 2280 | encode_nops(&hdr); |
1da177e4 LT |
2281 | } |
2282 | ||
2283 | /* | |
2284 | * Encode a LOCKT request | |
2285 | */ | |
9f06c719 CL |
2286 | static void nfs4_xdr_enc_lockt(struct rpc_rqst *req, struct xdr_stream *xdr, |
2287 | struct nfs_lockt_args *args) | |
1da177e4 | 2288 | { |
1da177e4 | 2289 | struct compound_hdr hdr = { |
66cc0429 | 2290 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2291 | }; |
1da177e4 | 2292 | |
9f06c719 CL |
2293 | encode_compound_hdr(xdr, req, &hdr); |
2294 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2295 | encode_putfh(xdr, args->fh, &hdr); | |
2296 | encode_lockt(xdr, args, &hdr); | |
d017931c | 2297 | encode_nops(&hdr); |
1da177e4 LT |
2298 | } |
2299 | ||
2300 | /* | |
2301 | * Encode a LOCKU request | |
2302 | */ | |
9f06c719 CL |
2303 | static void nfs4_xdr_enc_locku(struct rpc_rqst *req, struct xdr_stream *xdr, |
2304 | struct nfs_locku_args *args) | |
1da177e4 | 2305 | { |
1da177e4 | 2306 | struct compound_hdr hdr = { |
66cc0429 | 2307 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2308 | }; |
1da177e4 | 2309 | |
9f06c719 CL |
2310 | encode_compound_hdr(xdr, req, &hdr); |
2311 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2312 | encode_putfh(xdr, args->fh, &hdr); | |
2313 | encode_locku(xdr, args, &hdr); | |
d017931c | 2314 | encode_nops(&hdr); |
1da177e4 LT |
2315 | } |
2316 | ||
9f06c719 CL |
2317 | static void nfs4_xdr_enc_release_lockowner(struct rpc_rqst *req, |
2318 | struct xdr_stream *xdr, | |
2319 | struct nfs_release_lockowner_args *args) | |
d3c7b7cc | 2320 | { |
d3c7b7cc TM |
2321 | struct compound_hdr hdr = { |
2322 | .minorversion = 0, | |
2323 | }; | |
2324 | ||
9f06c719 CL |
2325 | encode_compound_hdr(xdr, req, &hdr); |
2326 | encode_release_lockowner(xdr, &args->lock_owner, &hdr); | |
d3c7b7cc | 2327 | encode_nops(&hdr); |
d3c7b7cc TM |
2328 | } |
2329 | ||
1da177e4 LT |
2330 | /* |
2331 | * Encode a READLINK request | |
2332 | */ | |
9f06c719 CL |
2333 | static void nfs4_xdr_enc_readlink(struct rpc_rqst *req, struct xdr_stream *xdr, |
2334 | const struct nfs4_readlink *args) | |
1da177e4 | 2335 | { |
1da177e4 | 2336 | struct compound_hdr hdr = { |
66cc0429 | 2337 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2338 | }; |
1da177e4 | 2339 | |
9f06c719 CL |
2340 | encode_compound_hdr(xdr, req, &hdr); |
2341 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2342 | encode_putfh(xdr, args->fh, &hdr); | |
2343 | encode_readlink(xdr, args, req, &hdr); | |
e3a535e1 | 2344 | |
28f56694 | 2345 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, |
e3a535e1 | 2346 | args->pgbase, args->pglen); |
d017931c | 2347 | encode_nops(&hdr); |
1da177e4 LT |
2348 | } |
2349 | ||
2350 | /* | |
2351 | * Encode a READDIR request | |
2352 | */ | |
9f06c719 CL |
2353 | static void nfs4_xdr_enc_readdir(struct rpc_rqst *req, struct xdr_stream *xdr, |
2354 | const struct nfs4_readdir_arg *args) | |
1da177e4 | 2355 | { |
1da177e4 | 2356 | struct compound_hdr hdr = { |
66cc0429 | 2357 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2358 | }; |
1da177e4 | 2359 | |
9f06c719 CL |
2360 | encode_compound_hdr(xdr, req, &hdr); |
2361 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2362 | encode_putfh(xdr, args->fh, &hdr); | |
2363 | encode_readdir(xdr, args, req, &hdr); | |
d6ac02df | 2364 | |
28f56694 | 2365 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, |
d6ac02df TM |
2366 | args->pgbase, args->count); |
2367 | dprintk("%s: inlined page args = (%u, %p, %u, %u)\n", | |
28f56694 | 2368 | __func__, hdr.replen << 2, args->pages, |
d6ac02df | 2369 | args->pgbase, args->count); |
d017931c | 2370 | encode_nops(&hdr); |
1da177e4 LT |
2371 | } |
2372 | ||
2373 | /* | |
2374 | * Encode a READ request | |
2375 | */ | |
9f06c719 CL |
2376 | static void nfs4_xdr_enc_read(struct rpc_rqst *req, struct xdr_stream *xdr, |
2377 | struct nfs_readargs *args) | |
1da177e4 | 2378 | { |
1da177e4 | 2379 | struct compound_hdr hdr = { |
66cc0429 | 2380 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2381 | }; |
1da177e4 | 2382 | |
9f06c719 CL |
2383 | encode_compound_hdr(xdr, req, &hdr); |
2384 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2385 | encode_putfh(xdr, args->fh, &hdr); | |
2386 | encode_read(xdr, args, &hdr); | |
1da177e4 | 2387 | |
28f56694 | 2388 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, |
1da177e4 | 2389 | args->pages, args->pgbase, args->count); |
4f22ccc3 | 2390 | req->rq_rcv_buf.flags |= XDRBUF_READ; |
d017931c | 2391 | encode_nops(&hdr); |
1da177e4 LT |
2392 | } |
2393 | ||
2394 | /* | |
2395 | * Encode an SETATTR request | |
2396 | */ | |
9f06c719 CL |
2397 | static void nfs4_xdr_enc_setattr(struct rpc_rqst *req, struct xdr_stream *xdr, |
2398 | struct nfs_setattrargs *args) | |
1da177e4 | 2399 | { |
05d564fe | 2400 | struct compound_hdr hdr = { |
66cc0429 | 2401 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 2402 | }; |
05d564fe | 2403 | |
9f06c719 CL |
2404 | encode_compound_hdr(xdr, req, &hdr); |
2405 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2406 | encode_putfh(xdr, args->fh, &hdr); | |
2407 | encode_setattr(xdr, args, args->server, &hdr); | |
2408 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2409 | encode_nops(&hdr); |
1da177e4 LT |
2410 | } |
2411 | ||
029d105e BF |
2412 | /* |
2413 | * Encode a GETACL request | |
2414 | */ | |
9f06c719 CL |
2415 | static void nfs4_xdr_enc_getacl(struct rpc_rqst *req, struct xdr_stream *xdr, |
2416 | struct nfs_getaclargs *args) | |
029d105e | 2417 | { |
029d105e | 2418 | struct compound_hdr hdr = { |
66cc0429 | 2419 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
029d105e | 2420 | }; |
28f56694 | 2421 | uint32_t replen; |
029d105e | 2422 | |
9f06c719 CL |
2423 | encode_compound_hdr(xdr, req, &hdr); |
2424 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2425 | encode_putfh(xdr, args->fh, &hdr); | |
bf118a34 | 2426 | replen = hdr.replen + op_decode_hdr_maxsz + 1; |
9f06c719 | 2427 | encode_getattr_two(xdr, FATTR4_WORD0_ACL, 0, &hdr); |
cf8cdbe5 | 2428 | |
28f56694 | 2429 | xdr_inline_pages(&req->rq_rcv_buf, replen << 2, |
029d105e | 2430 | args->acl_pages, args->acl_pgbase, args->acl_len); |
bf118a34 | 2431 | |
d017931c | 2432 | encode_nops(&hdr); |
029d105e BF |
2433 | } |
2434 | ||
1da177e4 LT |
2435 | /* |
2436 | * Encode a WRITE request | |
2437 | */ | |
9f06c719 CL |
2438 | static void nfs4_xdr_enc_write(struct rpc_rqst *req, struct xdr_stream *xdr, |
2439 | struct nfs_writeargs *args) | |
1da177e4 | 2440 | { |
1da177e4 | 2441 | struct compound_hdr hdr = { |
66cc0429 | 2442 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2443 | }; |
1da177e4 | 2444 | |
9f06c719 CL |
2445 | encode_compound_hdr(xdr, req, &hdr); |
2446 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2447 | encode_putfh(xdr, args->fh, &hdr); | |
2448 | encode_write(xdr, args, &hdr); | |
4f22ccc3 | 2449 | req->rq_snd_buf.flags |= XDRBUF_WRITE; |
7ffd1064 FI |
2450 | if (args->bitmask) |
2451 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2452 | encode_nops(&hdr); |
1da177e4 LT |
2453 | } |
2454 | ||
2455 | /* | |
2456 | * a COMMIT request | |
2457 | */ | |
9f06c719 | 2458 | static void nfs4_xdr_enc_commit(struct rpc_rqst *req, struct xdr_stream *xdr, |
0b7c0153 | 2459 | struct nfs_commitargs *args) |
1da177e4 | 2460 | { |
1da177e4 | 2461 | struct compound_hdr hdr = { |
66cc0429 | 2462 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2463 | }; |
1da177e4 | 2464 | |
9f06c719 CL |
2465 | encode_compound_hdr(xdr, req, &hdr); |
2466 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2467 | encode_putfh(xdr, args->fh, &hdr); | |
2468 | encode_commit(xdr, args, &hdr); | |
d017931c | 2469 | encode_nops(&hdr); |
1da177e4 LT |
2470 | } |
2471 | ||
2472 | /* | |
2473 | * FSINFO request | |
2474 | */ | |
9f06c719 CL |
2475 | static void nfs4_xdr_enc_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, |
2476 | struct nfs4_fsinfo_arg *args) | |
1da177e4 | 2477 | { |
1da177e4 | 2478 | struct compound_hdr hdr = { |
66cc0429 | 2479 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2480 | }; |
1da177e4 | 2481 | |
9f06c719 CL |
2482 | encode_compound_hdr(xdr, req, &hdr); |
2483 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2484 | encode_putfh(xdr, args->fh, &hdr); | |
2485 | encode_fsinfo(xdr, args->bitmask, &hdr); | |
d017931c | 2486 | encode_nops(&hdr); |
1da177e4 LT |
2487 | } |
2488 | ||
2489 | /* | |
2490 | * a PATHCONF request | |
2491 | */ | |
9f06c719 CL |
2492 | static void nfs4_xdr_enc_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, |
2493 | const struct nfs4_pathconf_arg *args) | |
1da177e4 | 2494 | { |
1da177e4 | 2495 | struct compound_hdr hdr = { |
66cc0429 | 2496 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2497 | }; |
1da177e4 | 2498 | |
9f06c719 CL |
2499 | encode_compound_hdr(xdr, req, &hdr); |
2500 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2501 | encode_putfh(xdr, args->fh, &hdr); | |
2502 | encode_getattr_one(xdr, args->bitmask[0] & nfs4_pathconf_bitmap[0], | |
cf8cdbe5 | 2503 | &hdr); |
d017931c | 2504 | encode_nops(&hdr); |
1da177e4 LT |
2505 | } |
2506 | ||
2507 | /* | |
2508 | * a STATFS request | |
2509 | */ | |
9f06c719 CL |
2510 | static void nfs4_xdr_enc_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, |
2511 | const struct nfs4_statfs_arg *args) | |
1da177e4 | 2512 | { |
1da177e4 | 2513 | struct compound_hdr hdr = { |
66cc0429 | 2514 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2515 | }; |
1da177e4 | 2516 | |
9f06c719 CL |
2517 | encode_compound_hdr(xdr, req, &hdr); |
2518 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2519 | encode_putfh(xdr, args->fh, &hdr); | |
2520 | encode_getattr_two(xdr, args->bitmask[0] & nfs4_statfs_bitmap[0], | |
cf8cdbe5 | 2521 | args->bitmask[1] & nfs4_statfs_bitmap[1], &hdr); |
d017931c | 2522 | encode_nops(&hdr); |
1da177e4 LT |
2523 | } |
2524 | ||
2525 | /* | |
2526 | * GETATTR_BITMAP request | |
2527 | */ | |
9f06c719 CL |
2528 | static void nfs4_xdr_enc_server_caps(struct rpc_rqst *req, |
2529 | struct xdr_stream *xdr, | |
2530 | struct nfs4_server_caps_arg *args) | |
1da177e4 | 2531 | { |
1da177e4 | 2532 | struct compound_hdr hdr = { |
66cc0429 | 2533 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2534 | }; |
1da177e4 | 2535 | |
9f06c719 CL |
2536 | encode_compound_hdr(xdr, req, &hdr); |
2537 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2538 | encode_putfh(xdr, args->fhandle, &hdr); | |
2539 | encode_getattr_one(xdr, FATTR4_WORD0_SUPPORTED_ATTRS| | |
264e6351 | 2540 | FATTR4_WORD0_FH_EXPIRE_TYPE| |
cf8cdbe5 AA |
2541 | FATTR4_WORD0_LINK_SUPPORT| |
2542 | FATTR4_WORD0_SYMLINK_SUPPORT| | |
2543 | FATTR4_WORD0_ACLSUPPORT, &hdr); | |
d017931c | 2544 | encode_nops(&hdr); |
1da177e4 LT |
2545 | } |
2546 | ||
2547 | /* | |
2548 | * a RENEW request | |
2549 | */ | |
9f06c719 CL |
2550 | static void nfs4_xdr_enc_renew(struct rpc_rqst *req, struct xdr_stream *xdr, |
2551 | struct nfs_client *clp) | |
1da177e4 | 2552 | { |
1da177e4 | 2553 | struct compound_hdr hdr = { |
d017931c | 2554 | .nops = 0, |
1da177e4 LT |
2555 | }; |
2556 | ||
9f06c719 | 2557 | encode_compound_hdr(xdr, req, &hdr); |
bb4dae5e | 2558 | encode_renew(xdr, clp->cl_clientid, &hdr); |
d017931c | 2559 | encode_nops(&hdr); |
1da177e4 LT |
2560 | } |
2561 | ||
2562 | /* | |
2563 | * a SETCLIENTID request | |
2564 | */ | |
9f06c719 CL |
2565 | static void nfs4_xdr_enc_setclientid(struct rpc_rqst *req, |
2566 | struct xdr_stream *xdr, | |
2567 | struct nfs4_setclientid *sc) | |
1da177e4 | 2568 | { |
1da177e4 | 2569 | struct compound_hdr hdr = { |
d017931c | 2570 | .nops = 0, |
1da177e4 LT |
2571 | }; |
2572 | ||
9f06c719 CL |
2573 | encode_compound_hdr(xdr, req, &hdr); |
2574 | encode_setclientid(xdr, sc, &hdr); | |
d017931c | 2575 | encode_nops(&hdr); |
1da177e4 LT |
2576 | } |
2577 | ||
2578 | /* | |
2579 | * a SETCLIENTID_CONFIRM request | |
2580 | */ | |
9f06c719 CL |
2581 | static void nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, |
2582 | struct xdr_stream *xdr, | |
2583 | struct nfs4_setclientid_res *arg) | |
1da177e4 | 2584 | { |
1da177e4 | 2585 | struct compound_hdr hdr = { |
d017931c | 2586 | .nops = 0, |
1da177e4 | 2587 | }; |
dae100c2 | 2588 | const u32 lease_bitmap[3] = { FATTR4_WORD0_LEASE_TIME }; |
1da177e4 | 2589 | |
9f06c719 CL |
2590 | encode_compound_hdr(xdr, req, &hdr); |
2591 | encode_setclientid_confirm(xdr, arg, &hdr); | |
2592 | encode_putrootfh(xdr, &hdr); | |
2593 | encode_fsinfo(xdr, lease_bitmap, &hdr); | |
d017931c | 2594 | encode_nops(&hdr); |
1da177e4 LT |
2595 | } |
2596 | ||
2597 | /* | |
2598 | * DELEGRETURN request | |
2599 | */ | |
9f06c719 CL |
2600 | static void nfs4_xdr_enc_delegreturn(struct rpc_rqst *req, |
2601 | struct xdr_stream *xdr, | |
2602 | const struct nfs4_delegreturnargs *args) | |
1da177e4 | 2603 | { |
1da177e4 | 2604 | struct compound_hdr hdr = { |
66cc0429 | 2605 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2606 | }; |
1da177e4 | 2607 | |
9f06c719 CL |
2608 | encode_compound_hdr(xdr, req, &hdr); |
2609 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2610 | encode_putfh(xdr, args->fhandle, &hdr); | |
9f06c719 | 2611 | encode_getfattr(xdr, args->bitmask, &hdr); |
e144cbcc | 2612 | encode_delegreturn(xdr, args->stateid, &hdr); |
d017931c | 2613 | encode_nops(&hdr); |
1da177e4 LT |
2614 | } |
2615 | ||
683b57b4 TM |
2616 | /* |
2617 | * Encode FS_LOCATIONS request | |
2618 | */ | |
9f06c719 CL |
2619 | static void nfs4_xdr_enc_fs_locations(struct rpc_rqst *req, |
2620 | struct xdr_stream *xdr, | |
2621 | struct nfs4_fs_locations_arg *args) | |
683b57b4 | 2622 | { |
683b57b4 | 2623 | struct compound_hdr hdr = { |
66cc0429 | 2624 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
683b57b4 | 2625 | }; |
28f56694 | 2626 | uint32_t replen; |
683b57b4 | 2627 | |
9f06c719 CL |
2628 | encode_compound_hdr(xdr, req, &hdr); |
2629 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2630 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2631 | encode_lookup(xdr, args->name, &hdr); | |
28f56694 | 2632 | replen = hdr.replen; /* get the attribute into args->page */ |
9f06c719 | 2633 | encode_fs_locations(xdr, args->bitmask, &hdr); |
cf8cdbe5 | 2634 | |
28f56694 | 2635 | xdr_inline_pages(&req->rq_rcv_buf, replen << 2, &args->page, |
683b57b4 | 2636 | 0, PAGE_SIZE); |
d017931c | 2637 | encode_nops(&hdr); |
683b57b4 TM |
2638 | } |
2639 | ||
5a5ea0d4 BS |
2640 | /* |
2641 | * Encode SECINFO request | |
2642 | */ | |
2643 | static void nfs4_xdr_enc_secinfo(struct rpc_rqst *req, | |
2644 | struct xdr_stream *xdr, | |
2645 | struct nfs4_secinfo_arg *args) | |
2646 | { | |
2647 | struct compound_hdr hdr = { | |
2648 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2649 | }; | |
2650 | ||
2651 | encode_compound_hdr(xdr, req, &hdr); | |
2652 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2653 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2654 | encode_secinfo(xdr, args->name, &hdr); | |
2655 | encode_nops(&hdr); | |
2656 | } | |
2657 | ||
99fe60d0 | 2658 | #if defined(CONFIG_NFS_V4_1) |
7c44f1ae WAA |
2659 | /* |
2660 | * BIND_CONN_TO_SESSION request | |
2661 | */ | |
2662 | static void nfs4_xdr_enc_bind_conn_to_session(struct rpc_rqst *req, | |
2663 | struct xdr_stream *xdr, | |
2664 | struct nfs_client *clp) | |
2665 | { | |
2666 | struct compound_hdr hdr = { | |
2667 | .minorversion = clp->cl_mvops->minor_version, | |
2668 | }; | |
2669 | ||
2670 | encode_compound_hdr(xdr, req, &hdr); | |
2671 | encode_bind_conn_to_session(xdr, clp->cl_session, &hdr); | |
2672 | encode_nops(&hdr); | |
2673 | } | |
2674 | ||
99fe60d0 BH |
2675 | /* |
2676 | * EXCHANGE_ID request | |
2677 | */ | |
9f06c719 CL |
2678 | static void nfs4_xdr_enc_exchange_id(struct rpc_rqst *req, |
2679 | struct xdr_stream *xdr, | |
2680 | struct nfs41_exchange_id_args *args) | |
99fe60d0 | 2681 | { |
99fe60d0 | 2682 | struct compound_hdr hdr = { |
a4432345 | 2683 | .minorversion = args->client->cl_mvops->minor_version, |
99fe60d0 BH |
2684 | }; |
2685 | ||
9f06c719 CL |
2686 | encode_compound_hdr(xdr, req, &hdr); |
2687 | encode_exchange_id(xdr, args, &hdr); | |
99fe60d0 | 2688 | encode_nops(&hdr); |
99fe60d0 | 2689 | } |
2050f0cc | 2690 | |
fc931582 AA |
2691 | /* |
2692 | * a CREATE_SESSION request | |
2693 | */ | |
9f06c719 CL |
2694 | static void nfs4_xdr_enc_create_session(struct rpc_rqst *req, |
2695 | struct xdr_stream *xdr, | |
2696 | struct nfs41_create_session_args *args) | |
fc931582 | 2697 | { |
fc931582 | 2698 | struct compound_hdr hdr = { |
a4432345 | 2699 | .minorversion = args->client->cl_mvops->minor_version, |
fc931582 AA |
2700 | }; |
2701 | ||
9f06c719 CL |
2702 | encode_compound_hdr(xdr, req, &hdr); |
2703 | encode_create_session(xdr, args, &hdr); | |
fc931582 | 2704 | encode_nops(&hdr); |
fc931582 AA |
2705 | } |
2706 | ||
0f3e66c6 AA |
2707 | /* |
2708 | * a DESTROY_SESSION request | |
2709 | */ | |
9f06c719 CL |
2710 | static void nfs4_xdr_enc_destroy_session(struct rpc_rqst *req, |
2711 | struct xdr_stream *xdr, | |
2712 | struct nfs4_session *session) | |
0f3e66c6 | 2713 | { |
0f3e66c6 | 2714 | struct compound_hdr hdr = { |
a4432345 | 2715 | .minorversion = session->clp->cl_mvops->minor_version, |
0f3e66c6 AA |
2716 | }; |
2717 | ||
9f06c719 CL |
2718 | encode_compound_hdr(xdr, req, &hdr); |
2719 | encode_destroy_session(xdr, session, &hdr); | |
0f3e66c6 | 2720 | encode_nops(&hdr); |
0f3e66c6 AA |
2721 | } |
2722 | ||
66245539 TM |
2723 | /* |
2724 | * a DESTROY_CLIENTID request | |
2725 | */ | |
2726 | static void nfs4_xdr_enc_destroy_clientid(struct rpc_rqst *req, | |
2727 | struct xdr_stream *xdr, | |
2728 | struct nfs_client *clp) | |
2729 | { | |
2730 | struct compound_hdr hdr = { | |
2731 | .minorversion = clp->cl_mvops->minor_version, | |
2732 | }; | |
2733 | ||
2734 | encode_compound_hdr(xdr, req, &hdr); | |
2735 | encode_destroy_clientid(xdr, clp->cl_clientid, &hdr); | |
2736 | encode_nops(&hdr); | |
2737 | } | |
2738 | ||
fc01cea9 AA |
2739 | /* |
2740 | * a SEQUENCE request | |
2741 | */ | |
9f06c719 CL |
2742 | static void nfs4_xdr_enc_sequence(struct rpc_rqst *req, struct xdr_stream *xdr, |
2743 | struct nfs4_sequence_args *args) | |
fc01cea9 | 2744 | { |
fc01cea9 AA |
2745 | struct compound_hdr hdr = { |
2746 | .minorversion = nfs4_xdr_minorversion(args), | |
2747 | }; | |
2748 | ||
9f06c719 CL |
2749 | encode_compound_hdr(xdr, req, &hdr); |
2750 | encode_sequence(xdr, args, &hdr); | |
fc01cea9 | 2751 | encode_nops(&hdr); |
fc01cea9 AA |
2752 | } |
2753 | ||
2050f0cc AA |
2754 | /* |
2755 | * a GET_LEASE_TIME request | |
2756 | */ | |
9f06c719 CL |
2757 | static void nfs4_xdr_enc_get_lease_time(struct rpc_rqst *req, |
2758 | struct xdr_stream *xdr, | |
2759 | struct nfs4_get_lease_time_args *args) | |
2050f0cc | 2760 | { |
2050f0cc AA |
2761 | struct compound_hdr hdr = { |
2762 | .minorversion = nfs4_xdr_minorversion(&args->la_seq_args), | |
2763 | }; | |
dae100c2 | 2764 | const u32 lease_bitmap[3] = { FATTR4_WORD0_LEASE_TIME }; |
2050f0cc | 2765 | |
9f06c719 CL |
2766 | encode_compound_hdr(xdr, req, &hdr); |
2767 | encode_sequence(xdr, &args->la_seq_args, &hdr); | |
2768 | encode_putrootfh(xdr, &hdr); | |
2769 | encode_fsinfo(xdr, lease_bitmap, &hdr); | |
2050f0cc | 2770 | encode_nops(&hdr); |
2050f0cc | 2771 | } |
18019753 RL |
2772 | |
2773 | /* | |
2774 | * a RECLAIM_COMPLETE request | |
2775 | */ | |
9f06c719 CL |
2776 | static void nfs4_xdr_enc_reclaim_complete(struct rpc_rqst *req, |
2777 | struct xdr_stream *xdr, | |
2778 | struct nfs41_reclaim_complete_args *args) | |
18019753 | 2779 | { |
18019753 RL |
2780 | struct compound_hdr hdr = { |
2781 | .minorversion = nfs4_xdr_minorversion(&args->seq_args) | |
2782 | }; | |
2783 | ||
9f06c719 CL |
2784 | encode_compound_hdr(xdr, req, &hdr); |
2785 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2786 | encode_reclaim_complete(xdr, args, &hdr); | |
18019753 | 2787 | encode_nops(&hdr); |
18019753 RL |
2788 | } |
2789 | ||
7f11d8d3 AA |
2790 | /* |
2791 | * Encode GETDEVICELIST request | |
2792 | */ | |
2793 | static void nfs4_xdr_enc_getdevicelist(struct rpc_rqst *req, | |
2794 | struct xdr_stream *xdr, | |
2795 | struct nfs4_getdevicelist_args *args) | |
2796 | { | |
2797 | struct compound_hdr hdr = { | |
2798 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2799 | }; | |
2800 | ||
2801 | encode_compound_hdr(xdr, req, &hdr); | |
2802 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2803 | encode_putfh(xdr, args->fh, &hdr); | |
2804 | encode_getdevicelist(xdr, args, &hdr); | |
2805 | encode_nops(&hdr); | |
2806 | } | |
2807 | ||
b1f69b75 AA |
2808 | /* |
2809 | * Encode GETDEVICEINFO request | |
2810 | */ | |
9f06c719 CL |
2811 | static void nfs4_xdr_enc_getdeviceinfo(struct rpc_rqst *req, |
2812 | struct xdr_stream *xdr, | |
2813 | struct nfs4_getdeviceinfo_args *args) | |
b1f69b75 | 2814 | { |
b1f69b75 AA |
2815 | struct compound_hdr hdr = { |
2816 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2817 | }; | |
2818 | ||
9f06c719 CL |
2819 | encode_compound_hdr(xdr, req, &hdr); |
2820 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2821 | encode_getdeviceinfo(xdr, args, &hdr); | |
b1f69b75 AA |
2822 | |
2823 | /* set up reply kvec. Subtract notification bitmap max size (2) | |
2824 | * so that notification bitmap is put in xdr_buf tail */ | |
2825 | xdr_inline_pages(&req->rq_rcv_buf, (hdr.replen - 2) << 2, | |
2826 | args->pdev->pages, args->pdev->pgbase, | |
2827 | args->pdev->pglen); | |
2828 | ||
2829 | encode_nops(&hdr); | |
b1f69b75 AA |
2830 | } |
2831 | ||
2832 | /* | |
2833 | * Encode LAYOUTGET request | |
2834 | */ | |
9f06c719 CL |
2835 | static void nfs4_xdr_enc_layoutget(struct rpc_rqst *req, |
2836 | struct xdr_stream *xdr, | |
2837 | struct nfs4_layoutget_args *args) | |
b1f69b75 | 2838 | { |
b1f69b75 AA |
2839 | struct compound_hdr hdr = { |
2840 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2841 | }; | |
2842 | ||
9f06c719 CL |
2843 | encode_compound_hdr(xdr, req, &hdr); |
2844 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2845 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
2846 | encode_layoutget(xdr, args, &hdr); | |
35124a09 WAA |
2847 | |
2848 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, | |
2849 | args->layout.pages, 0, args->layout.pglen); | |
2850 | ||
b1f69b75 | 2851 | encode_nops(&hdr); |
b1f69b75 | 2852 | } |
863a3c6c AA |
2853 | |
2854 | /* | |
2855 | * Encode LAYOUTCOMMIT request | |
2856 | */ | |
cbe82603 BH |
2857 | static void nfs4_xdr_enc_layoutcommit(struct rpc_rqst *req, |
2858 | struct xdr_stream *xdr, | |
2859 | struct nfs4_layoutcommit_args *args) | |
863a3c6c | 2860 | { |
ac7db726 BH |
2861 | struct nfs4_layoutcommit_data *data = |
2862 | container_of(args, struct nfs4_layoutcommit_data, args); | |
863a3c6c AA |
2863 | struct compound_hdr hdr = { |
2864 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2865 | }; | |
2866 | ||
2867 | encode_compound_hdr(xdr, req, &hdr); | |
2868 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2869 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
ac7db726 | 2870 | encode_layoutcommit(xdr, data->args.inode, args, &hdr); |
863a3c6c | 2871 | encode_getfattr(xdr, args->bitmask, &hdr); |
b1f69b75 | 2872 | encode_nops(&hdr); |
cbe82603 BH |
2873 | } |
2874 | ||
2875 | /* | |
2876 | * Encode LAYOUTRETURN request | |
2877 | */ | |
2878 | static void nfs4_xdr_enc_layoutreturn(struct rpc_rqst *req, | |
2879 | struct xdr_stream *xdr, | |
2880 | struct nfs4_layoutreturn_args *args) | |
2881 | { | |
2882 | struct compound_hdr hdr = { | |
2883 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2884 | }; | |
2885 | ||
2886 | encode_compound_hdr(xdr, req, &hdr); | |
2887 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2888 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
2889 | encode_layoutreturn(xdr, args, &hdr); | |
2890 | encode_nops(&hdr); | |
b1f69b75 | 2891 | } |
fca78d6d BS |
2892 | |
2893 | /* | |
2894 | * Encode SECINFO_NO_NAME request | |
2895 | */ | |
2896 | static int nfs4_xdr_enc_secinfo_no_name(struct rpc_rqst *req, | |
2897 | struct xdr_stream *xdr, | |
2898 | struct nfs41_secinfo_no_name_args *args) | |
2899 | { | |
2900 | struct compound_hdr hdr = { | |
2901 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2902 | }; | |
2903 | ||
2904 | encode_compound_hdr(xdr, req, &hdr); | |
2905 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2906 | encode_putrootfh(xdr, &hdr); | |
2907 | encode_secinfo_no_name(xdr, args, &hdr); | |
2908 | encode_nops(&hdr); | |
2909 | return 0; | |
2910 | } | |
7d974794 BS |
2911 | |
2912 | /* | |
2913 | * Encode TEST_STATEID request | |
2914 | */ | |
2915 | static void nfs4_xdr_enc_test_stateid(struct rpc_rqst *req, | |
2916 | struct xdr_stream *xdr, | |
2917 | struct nfs41_test_stateid_args *args) | |
2918 | { | |
2919 | struct compound_hdr hdr = { | |
2920 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2921 | }; | |
2922 | ||
2923 | encode_compound_hdr(xdr, req, &hdr); | |
2924 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2925 | encode_test_stateid(xdr, args, &hdr); | |
2926 | encode_nops(&hdr); | |
2927 | } | |
9aeda35f BS |
2928 | |
2929 | /* | |
2930 | * Encode FREE_STATEID request | |
2931 | */ | |
2932 | static void nfs4_xdr_enc_free_stateid(struct rpc_rqst *req, | |
2933 | struct xdr_stream *xdr, | |
2934 | struct nfs41_free_stateid_args *args) | |
2935 | { | |
2936 | struct compound_hdr hdr = { | |
2937 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2938 | }; | |
2939 | ||
2940 | encode_compound_hdr(xdr, req, &hdr); | |
2941 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2942 | encode_free_stateid(xdr, args, &hdr); | |
2943 | encode_nops(&hdr); | |
2944 | } | |
99fe60d0 BH |
2945 | #endif /* CONFIG_NFS_V4_1 */ |
2946 | ||
686841b3 BH |
2947 | static void print_overflow_msg(const char *func, const struct xdr_stream *xdr) |
2948 | { | |
2949 | dprintk("nfs: %s: prematurely hit end of receive buffer. " | |
2950 | "Remaining buffer length is %tu words.\n", | |
2951 | func, xdr->end - xdr->p); | |
2952 | } | |
1da177e4 | 2953 | |
683b57b4 | 2954 | static int decode_opaque_inline(struct xdr_stream *xdr, unsigned int *len, char **string) |
1da177e4 | 2955 | { |
8687b63a | 2956 | __be32 *p; |
1da177e4 | 2957 | |
c0eae66e BH |
2958 | p = xdr_inline_decode(xdr, 4); |
2959 | if (unlikely(!p)) | |
2960 | goto out_overflow; | |
cccddf4f | 2961 | *len = be32_to_cpup(p); |
c0eae66e BH |
2962 | p = xdr_inline_decode(xdr, *len); |
2963 | if (unlikely(!p)) | |
2964 | goto out_overflow; | |
1da177e4 LT |
2965 | *string = (char *)p; |
2966 | return 0; | |
c0eae66e BH |
2967 | out_overflow: |
2968 | print_overflow_msg(__func__, xdr); | |
2969 | return -EIO; | |
1da177e4 LT |
2970 | } |
2971 | ||
2972 | static int decode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr) | |
2973 | { | |
8687b63a | 2974 | __be32 *p; |
1da177e4 | 2975 | |
c0eae66e BH |
2976 | p = xdr_inline_decode(xdr, 8); |
2977 | if (unlikely(!p)) | |
2978 | goto out_overflow; | |
6f723f77 | 2979 | hdr->status = be32_to_cpup(p++); |
cccddf4f | 2980 | hdr->taglen = be32_to_cpup(p); |
6c0195a4 | 2981 | |
c0eae66e BH |
2982 | p = xdr_inline_decode(xdr, hdr->taglen + 4); |
2983 | if (unlikely(!p)) | |
2984 | goto out_overflow; | |
1da177e4 LT |
2985 | hdr->tag = (char *)p; |
2986 | p += XDR_QUADLEN(hdr->taglen); | |
cccddf4f | 2987 | hdr->nops = be32_to_cpup(p); |
aadf6152 BH |
2988 | if (unlikely(hdr->nops < 1)) |
2989 | return nfs4_stat_to_errno(hdr->status); | |
1da177e4 | 2990 | return 0; |
c0eae66e BH |
2991 | out_overflow: |
2992 | print_overflow_msg(__func__, xdr); | |
2993 | return -EIO; | |
1da177e4 LT |
2994 | } |
2995 | ||
2996 | static int decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected) | |
2997 | { | |
8687b63a | 2998 | __be32 *p; |
1da177e4 LT |
2999 | uint32_t opnum; |
3000 | int32_t nfserr; | |
3001 | ||
c0eae66e BH |
3002 | p = xdr_inline_decode(xdr, 8); |
3003 | if (unlikely(!p)) | |
3004 | goto out_overflow; | |
6f723f77 | 3005 | opnum = be32_to_cpup(p++); |
1da177e4 | 3006 | if (opnum != expected) { |
fe82a183 CL |
3007 | dprintk("nfs: Server returned operation" |
3008 | " %d but we issued a request for %d\n", | |
1da177e4 LT |
3009 | opnum, expected); |
3010 | return -EIO; | |
3011 | } | |
cccddf4f | 3012 | nfserr = be32_to_cpup(p); |
1da177e4 | 3013 | if (nfserr != NFS_OK) |
856dff3d | 3014 | return nfs4_stat_to_errno(nfserr); |
1da177e4 | 3015 | return 0; |
c0eae66e BH |
3016 | out_overflow: |
3017 | print_overflow_msg(__func__, xdr); | |
3018 | return -EIO; | |
1da177e4 LT |
3019 | } |
3020 | ||
3021 | /* Dummy routine */ | |
adfa6f98 | 3022 | static int decode_ace(struct xdr_stream *xdr, void *ace, struct nfs_client *clp) |
1da177e4 | 3023 | { |
8687b63a | 3024 | __be32 *p; |
683b57b4 | 3025 | unsigned int strlen; |
1da177e4 LT |
3026 | char *str; |
3027 | ||
c0eae66e BH |
3028 | p = xdr_inline_decode(xdr, 12); |
3029 | if (likely(p)) | |
3030 | return decode_opaque_inline(xdr, &strlen, &str); | |
3031 | print_overflow_msg(__func__, xdr); | |
3032 | return -EIO; | |
1da177e4 LT |
3033 | } |
3034 | ||
3035 | static int decode_attr_bitmap(struct xdr_stream *xdr, uint32_t *bitmap) | |
3036 | { | |
8687b63a AV |
3037 | uint32_t bmlen; |
3038 | __be32 *p; | |
1da177e4 | 3039 | |
c0eae66e BH |
3040 | p = xdr_inline_decode(xdr, 4); |
3041 | if (unlikely(!p)) | |
3042 | goto out_overflow; | |
cccddf4f | 3043 | bmlen = be32_to_cpup(p); |
1da177e4 | 3044 | |
dae100c2 | 3045 | bitmap[0] = bitmap[1] = bitmap[2] = 0; |
c0eae66e BH |
3046 | p = xdr_inline_decode(xdr, (bmlen << 2)); |
3047 | if (unlikely(!p)) | |
3048 | goto out_overflow; | |
1da177e4 | 3049 | if (bmlen > 0) { |
6f723f77 | 3050 | bitmap[0] = be32_to_cpup(p++); |
dae100c2 FI |
3051 | if (bmlen > 1) { |
3052 | bitmap[1] = be32_to_cpup(p++); | |
3053 | if (bmlen > 2) | |
3054 | bitmap[2] = be32_to_cpup(p); | |
3055 | } | |
1da177e4 LT |
3056 | } |
3057 | return 0; | |
c0eae66e BH |
3058 | out_overflow: |
3059 | print_overflow_msg(__func__, xdr); | |
3060 | return -EIO; | |
1da177e4 LT |
3061 | } |
3062 | ||
256e48bb | 3063 | static int decode_attr_length(struct xdr_stream *xdr, uint32_t *attrlen, unsigned int *savep) |
1da177e4 | 3064 | { |
8687b63a | 3065 | __be32 *p; |
1da177e4 | 3066 | |
c0eae66e BH |
3067 | p = xdr_inline_decode(xdr, 4); |
3068 | if (unlikely(!p)) | |
3069 | goto out_overflow; | |
cccddf4f | 3070 | *attrlen = be32_to_cpup(p); |
256e48bb | 3071 | *savep = xdr_stream_pos(xdr); |
1da177e4 | 3072 | return 0; |
c0eae66e BH |
3073 | out_overflow: |
3074 | print_overflow_msg(__func__, xdr); | |
3075 | return -EIO; | |
1da177e4 LT |
3076 | } |
3077 | ||
3078 | static int decode_attr_supported(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *bitmask) | |
3079 | { | |
3080 | if (likely(bitmap[0] & FATTR4_WORD0_SUPPORTED_ATTRS)) { | |
3388bff5 RB |
3081 | int ret; |
3082 | ret = decode_attr_bitmap(xdr, bitmask); | |
3083 | if (unlikely(ret < 0)) | |
3084 | return ret; | |
1da177e4 LT |
3085 | bitmap[0] &= ~FATTR4_WORD0_SUPPORTED_ATTRS; |
3086 | } else | |
dae100c2 FI |
3087 | bitmask[0] = bitmask[1] = bitmask[2] = 0; |
3088 | dprintk("%s: bitmask=%08x:%08x:%08x\n", __func__, | |
3089 | bitmask[0], bitmask[1], bitmask[2]); | |
1da177e4 LT |
3090 | return 0; |
3091 | } | |
3092 | ||
3093 | static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *type) | |
3094 | { | |
8687b63a | 3095 | __be32 *p; |
409924e4 | 3096 | int ret = 0; |
1da177e4 LT |
3097 | |
3098 | *type = 0; | |
3099 | if (unlikely(bitmap[0] & (FATTR4_WORD0_TYPE - 1U))) | |
3100 | return -EIO; | |
3101 | if (likely(bitmap[0] & FATTR4_WORD0_TYPE)) { | |
c0eae66e BH |
3102 | p = xdr_inline_decode(xdr, 4); |
3103 | if (unlikely(!p)) | |
3104 | goto out_overflow; | |
cccddf4f | 3105 | *type = be32_to_cpup(p); |
1da177e4 | 3106 | if (*type < NF4REG || *type > NF4NAMEDATTR) { |
3110ff80 | 3107 | dprintk("%s: bad type %d\n", __func__, *type); |
1da177e4 LT |
3108 | return -EIO; |
3109 | } | |
3110 | bitmap[0] &= ~FATTR4_WORD0_TYPE; | |
409924e4 | 3111 | ret = NFS_ATTR_FATTR_TYPE; |
1da177e4 | 3112 | } |
bca79478 | 3113 | dprintk("%s: type=0%o\n", __func__, nfs_type2fmt[*type]); |
409924e4 | 3114 | return ret; |
c0eae66e BH |
3115 | out_overflow: |
3116 | print_overflow_msg(__func__, xdr); | |
3117 | return -EIO; | |
1da177e4 LT |
3118 | } |
3119 | ||
264e6351 CL |
3120 | static int decode_attr_fh_expire_type(struct xdr_stream *xdr, |
3121 | uint32_t *bitmap, uint32_t *type) | |
3122 | { | |
3123 | __be32 *p; | |
3124 | ||
3125 | *type = 0; | |
3126 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FH_EXPIRE_TYPE - 1U))) | |
3127 | return -EIO; | |
3128 | if (likely(bitmap[0] & FATTR4_WORD0_FH_EXPIRE_TYPE)) { | |
3129 | p = xdr_inline_decode(xdr, 4); | |
3130 | if (unlikely(!p)) | |
3131 | goto out_overflow; | |
3132 | *type = be32_to_cpup(p); | |
3133 | bitmap[0] &= ~FATTR4_WORD0_FH_EXPIRE_TYPE; | |
3134 | } | |
3135 | dprintk("%s: expire type=0x%x\n", __func__, *type); | |
3136 | return 0; | |
3137 | out_overflow: | |
3138 | print_overflow_msg(__func__, xdr); | |
3139 | return -EIO; | |
3140 | } | |
3141 | ||
1da177e4 LT |
3142 | static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *change) |
3143 | { | |
8687b63a | 3144 | __be32 *p; |
409924e4 | 3145 | int ret = 0; |
1da177e4 LT |
3146 | |
3147 | *change = 0; | |
3148 | if (unlikely(bitmap[0] & (FATTR4_WORD0_CHANGE - 1U))) | |
3149 | return -EIO; | |
3150 | if (likely(bitmap[0] & FATTR4_WORD0_CHANGE)) { | |
c0eae66e BH |
3151 | p = xdr_inline_decode(xdr, 8); |
3152 | if (unlikely(!p)) | |
3153 | goto out_overflow; | |
cccddf4f | 3154 | xdr_decode_hyper(p, change); |
1da177e4 | 3155 | bitmap[0] &= ~FATTR4_WORD0_CHANGE; |
409924e4 | 3156 | ret = NFS_ATTR_FATTR_CHANGE; |
1da177e4 | 3157 | } |
3110ff80 | 3158 | dprintk("%s: change attribute=%Lu\n", __func__, |
1da177e4 | 3159 | (unsigned long long)*change); |
409924e4 | 3160 | return ret; |
c0eae66e BH |
3161 | out_overflow: |
3162 | print_overflow_msg(__func__, xdr); | |
3163 | return -EIO; | |
1da177e4 LT |
3164 | } |
3165 | ||
3166 | static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *size) | |
3167 | { | |
8687b63a | 3168 | __be32 *p; |
409924e4 | 3169 | int ret = 0; |
1da177e4 LT |
3170 | |
3171 | *size = 0; | |
3172 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SIZE - 1U))) | |
3173 | return -EIO; | |
3174 | if (likely(bitmap[0] & FATTR4_WORD0_SIZE)) { | |
c0eae66e BH |
3175 | p = xdr_inline_decode(xdr, 8); |
3176 | if (unlikely(!p)) | |
3177 | goto out_overflow; | |
cccddf4f | 3178 | xdr_decode_hyper(p, size); |
1da177e4 | 3179 | bitmap[0] &= ~FATTR4_WORD0_SIZE; |
409924e4 | 3180 | ret = NFS_ATTR_FATTR_SIZE; |
1da177e4 | 3181 | } |
3110ff80 | 3182 | dprintk("%s: file size=%Lu\n", __func__, (unsigned long long)*size); |
409924e4 | 3183 | return ret; |
c0eae66e BH |
3184 | out_overflow: |
3185 | print_overflow_msg(__func__, xdr); | |
3186 | return -EIO; | |
1da177e4 LT |
3187 | } |
3188 | ||
3189 | static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3190 | { | |
8687b63a | 3191 | __be32 *p; |
1da177e4 LT |
3192 | |
3193 | *res = 0; | |
3194 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LINK_SUPPORT - 1U))) | |
3195 | return -EIO; | |
3196 | if (likely(bitmap[0] & FATTR4_WORD0_LINK_SUPPORT)) { | |
c0eae66e BH |
3197 | p = xdr_inline_decode(xdr, 4); |
3198 | if (unlikely(!p)) | |
3199 | goto out_overflow; | |
cccddf4f | 3200 | *res = be32_to_cpup(p); |
1da177e4 LT |
3201 | bitmap[0] &= ~FATTR4_WORD0_LINK_SUPPORT; |
3202 | } | |
3110ff80 | 3203 | dprintk("%s: link support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 | 3204 | return 0; |
c0eae66e BH |
3205 | out_overflow: |
3206 | print_overflow_msg(__func__, xdr); | |
3207 | return -EIO; | |
1da177e4 LT |
3208 | } |
3209 | ||
3210 | static int decode_attr_symlink_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3211 | { | |
8687b63a | 3212 | __be32 *p; |
1da177e4 LT |
3213 | |
3214 | *res = 0; | |
3215 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SYMLINK_SUPPORT - 1U))) | |
3216 | return -EIO; | |
3217 | if (likely(bitmap[0] & FATTR4_WORD0_SYMLINK_SUPPORT)) { | |
c0eae66e BH |
3218 | p = xdr_inline_decode(xdr, 4); |
3219 | if (unlikely(!p)) | |
3220 | goto out_overflow; | |
cccddf4f | 3221 | *res = be32_to_cpup(p); |
1da177e4 LT |
3222 | bitmap[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT; |
3223 | } | |
3110ff80 | 3224 | dprintk("%s: symlink support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 | 3225 | return 0; |
c0eae66e BH |
3226 | out_overflow: |
3227 | print_overflow_msg(__func__, xdr); | |
3228 | return -EIO; | |
1da177e4 LT |
3229 | } |
3230 | ||
8b4bdcf8 | 3231 | static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fsid *fsid) |
1da177e4 | 3232 | { |
8687b63a | 3233 | __be32 *p; |
409924e4 | 3234 | int ret = 0; |
1da177e4 LT |
3235 | |
3236 | fsid->major = 0; | |
3237 | fsid->minor = 0; | |
3238 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FSID - 1U))) | |
3239 | return -EIO; | |
3240 | if (likely(bitmap[0] & FATTR4_WORD0_FSID)) { | |
c0eae66e BH |
3241 | p = xdr_inline_decode(xdr, 16); |
3242 | if (unlikely(!p)) | |
3243 | goto out_overflow; | |
3ceb4dbb | 3244 | p = xdr_decode_hyper(p, &fsid->major); |
cccddf4f | 3245 | xdr_decode_hyper(p, &fsid->minor); |
1da177e4 | 3246 | bitmap[0] &= ~FATTR4_WORD0_FSID; |
409924e4 | 3247 | ret = NFS_ATTR_FATTR_FSID; |
1da177e4 | 3248 | } |
3110ff80 | 3249 | dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __func__, |
1da177e4 LT |
3250 | (unsigned long long)fsid->major, |
3251 | (unsigned long long)fsid->minor); | |
409924e4 | 3252 | return ret; |
c0eae66e BH |
3253 | out_overflow: |
3254 | print_overflow_msg(__func__, xdr); | |
3255 | return -EIO; | |
1da177e4 LT |
3256 | } |
3257 | ||
3258 | static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3259 | { | |
8687b63a | 3260 | __be32 *p; |
1da177e4 LT |
3261 | |
3262 | *res = 60; | |
3263 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LEASE_TIME - 1U))) | |
3264 | return -EIO; | |
3265 | if (likely(bitmap[0] & FATTR4_WORD0_LEASE_TIME)) { | |
c0eae66e BH |
3266 | p = xdr_inline_decode(xdr, 4); |
3267 | if (unlikely(!p)) | |
3268 | goto out_overflow; | |
cccddf4f | 3269 | *res = be32_to_cpup(p); |
1da177e4 LT |
3270 | bitmap[0] &= ~FATTR4_WORD0_LEASE_TIME; |
3271 | } | |
3110ff80 | 3272 | dprintk("%s: file size=%u\n", __func__, (unsigned int)*res); |
1da177e4 | 3273 | return 0; |
c0eae66e BH |
3274 | out_overflow: |
3275 | print_overflow_msg(__func__, xdr); | |
3276 | return -EIO; | |
1da177e4 LT |
3277 | } |
3278 | ||
ee7b75fc | 3279 | static int decode_attr_error(struct xdr_stream *xdr, uint32_t *bitmap, int32_t *res) |
ae42c70a BS |
3280 | { |
3281 | __be32 *p; | |
3282 | ||
3283 | if (unlikely(bitmap[0] & (FATTR4_WORD0_RDATTR_ERROR - 1U))) | |
3284 | return -EIO; | |
3285 | if (likely(bitmap[0] & FATTR4_WORD0_RDATTR_ERROR)) { | |
3286 | p = xdr_inline_decode(xdr, 4); | |
3287 | if (unlikely(!p)) | |
3288 | goto out_overflow; | |
3289 | bitmap[0] &= ~FATTR4_WORD0_RDATTR_ERROR; | |
ee7b75fc | 3290 | *res = -be32_to_cpup(p); |
ae42c70a BS |
3291 | } |
3292 | return 0; | |
3293 | out_overflow: | |
3294 | print_overflow_msg(__func__, xdr); | |
3295 | return -EIO; | |
3296 | } | |
3297 | ||
3298 | static int decode_attr_filehandle(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fh *fh) | |
3299 | { | |
3300 | __be32 *p; | |
3301 | int len; | |
3302 | ||
7ad07353 TM |
3303 | if (fh != NULL) |
3304 | memset(fh, 0, sizeof(*fh)); | |
ae42c70a BS |
3305 | |
3306 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEHANDLE - 1U))) | |
3307 | return -EIO; | |
3308 | if (likely(bitmap[0] & FATTR4_WORD0_FILEHANDLE)) { | |
3309 | p = xdr_inline_decode(xdr, 4); | |
3310 | if (unlikely(!p)) | |
3311 | goto out_overflow; | |
3312 | len = be32_to_cpup(p); | |
3313 | if (len > NFS4_FHSIZE) | |
3314 | return -EIO; | |
ae42c70a BS |
3315 | p = xdr_inline_decode(xdr, len); |
3316 | if (unlikely(!p)) | |
3317 | goto out_overflow; | |
7ad07353 TM |
3318 | if (fh != NULL) { |
3319 | memcpy(fh->data, p, len); | |
3320 | fh->size = len; | |
3321 | } | |
ae42c70a BS |
3322 | bitmap[0] &= ~FATTR4_WORD0_FILEHANDLE; |
3323 | } | |
3324 | return 0; | |
3325 | out_overflow: | |
3326 | print_overflow_msg(__func__, xdr); | |
3327 | return -EIO; | |
3328 | } | |
3329 | ||
1da177e4 LT |
3330 | static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) |
3331 | { | |
8687b63a | 3332 | __be32 *p; |
1da177e4 LT |
3333 | |
3334 | *res = ACL4_SUPPORT_ALLOW_ACL|ACL4_SUPPORT_DENY_ACL; | |
3335 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACLSUPPORT - 1U))) | |
3336 | return -EIO; | |
3337 | if (likely(bitmap[0] & FATTR4_WORD0_ACLSUPPORT)) { | |
c0eae66e BH |
3338 | p = xdr_inline_decode(xdr, 4); |
3339 | if (unlikely(!p)) | |
3340 | goto out_overflow; | |
cccddf4f | 3341 | *res = be32_to_cpup(p); |
1da177e4 LT |
3342 | bitmap[0] &= ~FATTR4_WORD0_ACLSUPPORT; |
3343 | } | |
3110ff80 | 3344 | dprintk("%s: ACLs supported=%u\n", __func__, (unsigned int)*res); |
1da177e4 | 3345 | return 0; |
c0eae66e BH |
3346 | out_overflow: |
3347 | print_overflow_msg(__func__, xdr); | |
3348 | return -EIO; | |
1da177e4 LT |
3349 | } |
3350 | ||
3351 | static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) | |
3352 | { | |
8687b63a | 3353 | __be32 *p; |
409924e4 | 3354 | int ret = 0; |
1da177e4 LT |
3355 | |
3356 | *fileid = 0; | |
3357 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEID - 1U))) | |
3358 | return -EIO; | |
3359 | if (likely(bitmap[0] & FATTR4_WORD0_FILEID)) { | |
c0eae66e BH |
3360 | p = xdr_inline_decode(xdr, 8); |
3361 | if (unlikely(!p)) | |
3362 | goto out_overflow; | |
cccddf4f | 3363 | xdr_decode_hyper(p, fileid); |
1da177e4 | 3364 | bitmap[0] &= ~FATTR4_WORD0_FILEID; |
409924e4 | 3365 | ret = NFS_ATTR_FATTR_FILEID; |
1da177e4 | 3366 | } |
3110ff80 | 3367 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
409924e4 | 3368 | return ret; |
c0eae66e BH |
3369 | out_overflow: |
3370 | print_overflow_msg(__func__, xdr); | |
3371 | return -EIO; | |
1da177e4 LT |
3372 | } |
3373 | ||
99baf625 MN |
3374 | static int decode_attr_mounted_on_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) |
3375 | { | |
8687b63a | 3376 | __be32 *p; |
409924e4 | 3377 | int ret = 0; |
99baf625 MN |
3378 | |
3379 | *fileid = 0; | |
3380 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MOUNTED_ON_FILEID - 1U))) | |
3381 | return -EIO; | |
3382 | if (likely(bitmap[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) { | |
c0eae66e BH |
3383 | p = xdr_inline_decode(xdr, 8); |
3384 | if (unlikely(!p)) | |
3385 | goto out_overflow; | |
cccddf4f | 3386 | xdr_decode_hyper(p, fileid); |
99baf625 | 3387 | bitmap[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID; |
28331a46 | 3388 | ret = NFS_ATTR_FATTR_MOUNTED_ON_FILEID; |
99baf625 | 3389 | } |
3110ff80 | 3390 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
409924e4 | 3391 | return ret; |
c0eae66e BH |
3392 | out_overflow: |
3393 | print_overflow_msg(__func__, xdr); | |
3394 | return -EIO; | |
99baf625 MN |
3395 | } |
3396 | ||
1da177e4 LT |
3397 | static int decode_attr_files_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
3398 | { | |
8687b63a | 3399 | __be32 *p; |
1da177e4 LT |
3400 | int status = 0; |
3401 | ||
3402 | *res = 0; | |
3403 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_AVAIL - 1U))) | |
3404 | return -EIO; | |
3405 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_AVAIL)) { | |
c0eae66e BH |
3406 | p = xdr_inline_decode(xdr, 8); |
3407 | if (unlikely(!p)) | |
3408 | goto out_overflow; | |
cccddf4f | 3409 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3410 | bitmap[0] &= ~FATTR4_WORD0_FILES_AVAIL; |
3411 | } | |
3110ff80 | 3412 | dprintk("%s: files avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3413 | return status; |
c0eae66e BH |
3414 | out_overflow: |
3415 | print_overflow_msg(__func__, xdr); | |
3416 | return -EIO; | |
1da177e4 LT |
3417 | } |
3418 | ||
3419 | static int decode_attr_files_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3420 | { | |
8687b63a | 3421 | __be32 *p; |
1da177e4 LT |
3422 | int status = 0; |
3423 | ||
3424 | *res = 0; | |
3425 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_FREE - 1U))) | |
3426 | return -EIO; | |
3427 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_FREE)) { | |
c0eae66e BH |
3428 | p = xdr_inline_decode(xdr, 8); |
3429 | if (unlikely(!p)) | |
3430 | goto out_overflow; | |
cccddf4f | 3431 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3432 | bitmap[0] &= ~FATTR4_WORD0_FILES_FREE; |
3433 | } | |
3110ff80 | 3434 | dprintk("%s: files free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3435 | return status; |
c0eae66e BH |
3436 | out_overflow: |
3437 | print_overflow_msg(__func__, xdr); | |
3438 | return -EIO; | |
1da177e4 LT |
3439 | } |
3440 | ||
3441 | static int decode_attr_files_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3442 | { | |
8687b63a | 3443 | __be32 *p; |
1da177e4 LT |
3444 | int status = 0; |
3445 | ||
3446 | *res = 0; | |
3447 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_TOTAL - 1U))) | |
3448 | return -EIO; | |
3449 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_TOTAL)) { | |
c0eae66e BH |
3450 | p = xdr_inline_decode(xdr, 8); |
3451 | if (unlikely(!p)) | |
3452 | goto out_overflow; | |
cccddf4f | 3453 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3454 | bitmap[0] &= ~FATTR4_WORD0_FILES_TOTAL; |
3455 | } | |
3110ff80 | 3456 | dprintk("%s: files total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3457 | return status; |
c0eae66e BH |
3458 | out_overflow: |
3459 | print_overflow_msg(__func__, xdr); | |
3460 | return -EIO; | |
1da177e4 LT |
3461 | } |
3462 | ||
7aaa0b3b MN |
3463 | static int decode_pathname(struct xdr_stream *xdr, struct nfs4_pathname *path) |
3464 | { | |
464ad6b1 | 3465 | u32 n; |
8687b63a | 3466 | __be32 *p; |
7aaa0b3b MN |
3467 | int status = 0; |
3468 | ||
c0eae66e BH |
3469 | p = xdr_inline_decode(xdr, 4); |
3470 | if (unlikely(!p)) | |
3471 | goto out_overflow; | |
cccddf4f | 3472 | n = be32_to_cpup(p); |
33a43f28 AA |
3473 | if (n == 0) |
3474 | goto root_path; | |
02a2976c | 3475 | dprintk("pathname4: "); |
7aaa0b3b MN |
3476 | path->ncomponents = 0; |
3477 | while (path->ncomponents < n) { | |
3478 | struct nfs4_string *component = &path->components[path->ncomponents]; | |
3479 | status = decode_opaque_inline(xdr, &component->len, &component->data); | |
3480 | if (unlikely(status != 0)) | |
3481 | goto out_eio; | |
95a13f7b | 3482 | ifdebug (XDR) |
02a2976c CL |
3483 | pr_cont("%s%.*s ", |
3484 | (path->ncomponents != n ? "/ " : ""), | |
3485 | component->len, component->data); | |
7aaa0b3b MN |
3486 | if (path->ncomponents < NFS4_PATHNAME_MAXCOMPONENTS) |
3487 | path->ncomponents++; | |
3488 | else { | |
3489 | dprintk("cannot parse %d components in path\n", n); | |
3490 | goto out_eio; | |
3491 | } | |
3492 | } | |
3493 | out: | |
7aaa0b3b | 3494 | return status; |
33a43f28 AA |
3495 | root_path: |
3496 | /* a root pathname is sent as a zero component4 */ | |
3497 | path->ncomponents = 1; | |
3498 | path->components[0].len=0; | |
3499 | path->components[0].data=NULL; | |
02a2976c | 3500 | dprintk("pathname4: /\n"); |
33a43f28 | 3501 | goto out; |
7aaa0b3b MN |
3502 | out_eio: |
3503 | dprintk(" status %d", status); | |
3504 | status = -EIO; | |
3505 | goto out; | |
c0eae66e BH |
3506 | out_overflow: |
3507 | print_overflow_msg(__func__, xdr); | |
3508 | return -EIO; | |
7aaa0b3b MN |
3509 | } |
3510 | ||
3511 | static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_fs_locations *res) | |
683b57b4 TM |
3512 | { |
3513 | int n; | |
8687b63a | 3514 | __be32 *p; |
683b57b4 TM |
3515 | int status = -EIO; |
3516 | ||
3517 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FS_LOCATIONS -1U))) | |
3518 | goto out; | |
3519 | status = 0; | |
3520 | if (unlikely(!(bitmap[0] & FATTR4_WORD0_FS_LOCATIONS))) | |
3521 | goto out; | |
8b7e3f49 TM |
3522 | status = -EIO; |
3523 | /* Ignore borken servers that return unrequested attrs */ | |
3524 | if (unlikely(res == NULL)) | |
3525 | goto out; | |
02a2976c | 3526 | dprintk("%s: fsroot:\n", __func__); |
7aaa0b3b | 3527 | status = decode_pathname(xdr, &res->fs_path); |
683b57b4 TM |
3528 | if (unlikely(status != 0)) |
3529 | goto out; | |
c0eae66e BH |
3530 | p = xdr_inline_decode(xdr, 4); |
3531 | if (unlikely(!p)) | |
3532 | goto out_overflow; | |
cccddf4f | 3533 | n = be32_to_cpup(p); |
683b57b4 TM |
3534 | if (n <= 0) |
3535 | goto out_eio; | |
3536 | res->nlocations = 0; | |
3537 | while (res->nlocations < n) { | |
464ad6b1 | 3538 | u32 m; |
7aaa0b3b | 3539 | struct nfs4_fs_location *loc = &res->locations[res->nlocations]; |
683b57b4 | 3540 | |
c0eae66e BH |
3541 | p = xdr_inline_decode(xdr, 4); |
3542 | if (unlikely(!p)) | |
3543 | goto out_overflow; | |
cccddf4f | 3544 | m = be32_to_cpup(p); |
7aaa0b3b MN |
3545 | |
3546 | loc->nservers = 0; | |
02a2976c | 3547 | dprintk("%s: servers:\n", __func__); |
7aaa0b3b MN |
3548 | while (loc->nservers < m) { |
3549 | struct nfs4_string *server = &loc->servers[loc->nservers]; | |
3550 | status = decode_opaque_inline(xdr, &server->len, &server->data); | |
3551 | if (unlikely(status != 0)) | |
3552 | goto out_eio; | |
3553 | dprintk("%s ", server->data); | |
3554 | if (loc->nservers < NFS4_FS_LOCATION_MAXSERVERS) | |
3555 | loc->nservers++; | |
3556 | else { | |
464ad6b1 CL |
3557 | unsigned int i; |
3558 | dprintk("%s: using first %u of %u servers " | |
3559 | "returned for location %u\n", | |
3110ff80 | 3560 | __func__, |
464ad6b1 CL |
3561 | NFS4_FS_LOCATION_MAXSERVERS, |
3562 | m, res->nlocations); | |
7aaa0b3b | 3563 | for (i = loc->nservers; i < m; i++) { |
2e42c3e2 | 3564 | unsigned int len; |
7aaa0b3b MN |
3565 | char *data; |
3566 | status = decode_opaque_inline(xdr, &len, &data); | |
3567 | if (unlikely(status != 0)) | |
3568 | goto out_eio; | |
3569 | } | |
3570 | } | |
3571 | } | |
3572 | status = decode_pathname(xdr, &loc->rootpath); | |
683b57b4 TM |
3573 | if (unlikely(status != 0)) |
3574 | goto out_eio; | |
7aaa0b3b | 3575 | if (res->nlocations < NFS4_FS_LOCATIONS_MAXENTRIES) |
683b57b4 TM |
3576 | res->nlocations++; |
3577 | } | |
409924e4 | 3578 | if (res->nlocations != 0) |
81934ddb | 3579 | status = NFS_ATTR_FATTR_V4_LOCATIONS; |
683b57b4 | 3580 | out: |
3110ff80 | 3581 | dprintk("%s: fs_locations done, error = %d\n", __func__, status); |
683b57b4 | 3582 | return status; |
c0eae66e BH |
3583 | out_overflow: |
3584 | print_overflow_msg(__func__, xdr); | |
683b57b4 TM |
3585 | out_eio: |
3586 | status = -EIO; | |
3587 | goto out; | |
3588 | } | |
3589 | ||
1da177e4 LT |
3590 | static int decode_attr_maxfilesize(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
3591 | { | |
8687b63a | 3592 | __be32 *p; |
1da177e4 LT |
3593 | int status = 0; |
3594 | ||
3595 | *res = 0; | |
3596 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXFILESIZE - 1U))) | |
3597 | return -EIO; | |
3598 | if (likely(bitmap[0] & FATTR4_WORD0_MAXFILESIZE)) { | |
c0eae66e BH |
3599 | p = xdr_inline_decode(xdr, 8); |
3600 | if (unlikely(!p)) | |
3601 | goto out_overflow; | |
cccddf4f | 3602 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3603 | bitmap[0] &= ~FATTR4_WORD0_MAXFILESIZE; |
3604 | } | |
3110ff80 | 3605 | dprintk("%s: maxfilesize=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3606 | return status; |
c0eae66e BH |
3607 | out_overflow: |
3608 | print_overflow_msg(__func__, xdr); | |
3609 | return -EIO; | |
1da177e4 LT |
3610 | } |
3611 | ||
3612 | static int decode_attr_maxlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxlink) | |
3613 | { | |
8687b63a | 3614 | __be32 *p; |
1da177e4 LT |
3615 | int status = 0; |
3616 | ||
3617 | *maxlink = 1; | |
3618 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXLINK - 1U))) | |
3619 | return -EIO; | |
3620 | if (likely(bitmap[0] & FATTR4_WORD0_MAXLINK)) { | |
c0eae66e BH |
3621 | p = xdr_inline_decode(xdr, 4); |
3622 | if (unlikely(!p)) | |
3623 | goto out_overflow; | |
cccddf4f | 3624 | *maxlink = be32_to_cpup(p); |
1da177e4 LT |
3625 | bitmap[0] &= ~FATTR4_WORD0_MAXLINK; |
3626 | } | |
3110ff80 | 3627 | dprintk("%s: maxlink=%u\n", __func__, *maxlink); |
1da177e4 | 3628 | return status; |
c0eae66e BH |
3629 | out_overflow: |
3630 | print_overflow_msg(__func__, xdr); | |
3631 | return -EIO; | |
1da177e4 LT |
3632 | } |
3633 | ||
3634 | static int decode_attr_maxname(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxname) | |
3635 | { | |
8687b63a | 3636 | __be32 *p; |
1da177e4 LT |
3637 | int status = 0; |
3638 | ||
3639 | *maxname = 1024; | |
3640 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXNAME - 1U))) | |
3641 | return -EIO; | |
3642 | if (likely(bitmap[0] & FATTR4_WORD0_MAXNAME)) { | |
c0eae66e BH |
3643 | p = xdr_inline_decode(xdr, 4); |
3644 | if (unlikely(!p)) | |
3645 | goto out_overflow; | |
cccddf4f | 3646 | *maxname = be32_to_cpup(p); |
1da177e4 LT |
3647 | bitmap[0] &= ~FATTR4_WORD0_MAXNAME; |
3648 | } | |
3110ff80 | 3649 | dprintk("%s: maxname=%u\n", __func__, *maxname); |
1da177e4 | 3650 | return status; |
c0eae66e BH |
3651 | out_overflow: |
3652 | print_overflow_msg(__func__, xdr); | |
3653 | return -EIO; | |
1da177e4 LT |
3654 | } |
3655 | ||
3656 | static int decode_attr_maxread(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3657 | { | |
8687b63a | 3658 | __be32 *p; |
1da177e4 LT |
3659 | int status = 0; |
3660 | ||
3661 | *res = 1024; | |
3662 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXREAD - 1U))) | |
3663 | return -EIO; | |
3664 | if (likely(bitmap[0] & FATTR4_WORD0_MAXREAD)) { | |
3665 | uint64_t maxread; | |
c0eae66e BH |
3666 | p = xdr_inline_decode(xdr, 8); |
3667 | if (unlikely(!p)) | |
3668 | goto out_overflow; | |
cccddf4f | 3669 | xdr_decode_hyper(p, &maxread); |
1da177e4 LT |
3670 | if (maxread > 0x7FFFFFFF) |
3671 | maxread = 0x7FFFFFFF; | |
3672 | *res = (uint32_t)maxread; | |
3673 | bitmap[0] &= ~FATTR4_WORD0_MAXREAD; | |
3674 | } | |
3110ff80 | 3675 | dprintk("%s: maxread=%lu\n", __func__, (unsigned long)*res); |
1da177e4 | 3676 | return status; |
c0eae66e BH |
3677 | out_overflow: |
3678 | print_overflow_msg(__func__, xdr); | |
3679 | return -EIO; | |
1da177e4 LT |
3680 | } |
3681 | ||
3682 | static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3683 | { | |
8687b63a | 3684 | __be32 *p; |
1da177e4 LT |
3685 | int status = 0; |
3686 | ||
3687 | *res = 1024; | |
3688 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXWRITE - 1U))) | |
3689 | return -EIO; | |
3690 | if (likely(bitmap[0] & FATTR4_WORD0_MAXWRITE)) { | |
3691 | uint64_t maxwrite; | |
c0eae66e BH |
3692 | p = xdr_inline_decode(xdr, 8); |
3693 | if (unlikely(!p)) | |
3694 | goto out_overflow; | |
cccddf4f | 3695 | xdr_decode_hyper(p, &maxwrite); |
1da177e4 LT |
3696 | if (maxwrite > 0x7FFFFFFF) |
3697 | maxwrite = 0x7FFFFFFF; | |
3698 | *res = (uint32_t)maxwrite; | |
3699 | bitmap[0] &= ~FATTR4_WORD0_MAXWRITE; | |
3700 | } | |
3110ff80 | 3701 | dprintk("%s: maxwrite=%lu\n", __func__, (unsigned long)*res); |
1da177e4 | 3702 | return status; |
c0eae66e BH |
3703 | out_overflow: |
3704 | print_overflow_msg(__func__, xdr); | |
3705 | return -EIO; | |
1da177e4 LT |
3706 | } |
3707 | ||
bca79478 | 3708 | static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, umode_t *mode) |
1da177e4 | 3709 | { |
bca79478 | 3710 | uint32_t tmp; |
8687b63a | 3711 | __be32 *p; |
409924e4 | 3712 | int ret = 0; |
1da177e4 LT |
3713 | |
3714 | *mode = 0; | |
3715 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MODE - 1U))) | |
3716 | return -EIO; | |
3717 | if (likely(bitmap[1] & FATTR4_WORD1_MODE)) { | |
c0eae66e BH |
3718 | p = xdr_inline_decode(xdr, 4); |
3719 | if (unlikely(!p)) | |
3720 | goto out_overflow; | |
cccddf4f | 3721 | tmp = be32_to_cpup(p); |
bca79478 | 3722 | *mode = tmp & ~S_IFMT; |
1da177e4 | 3723 | bitmap[1] &= ~FATTR4_WORD1_MODE; |
409924e4 | 3724 | ret = NFS_ATTR_FATTR_MODE; |
1da177e4 | 3725 | } |
3110ff80 | 3726 | dprintk("%s: file mode=0%o\n", __func__, (unsigned int)*mode); |
409924e4 | 3727 | return ret; |
c0eae66e BH |
3728 | out_overflow: |
3729 | print_overflow_msg(__func__, xdr); | |
3730 | return -EIO; | |
1da177e4 LT |
3731 | } |
3732 | ||
3733 | static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *nlink) | |
3734 | { | |
8687b63a | 3735 | __be32 *p; |
409924e4 | 3736 | int ret = 0; |
1da177e4 LT |
3737 | |
3738 | *nlink = 1; | |
3739 | if (unlikely(bitmap[1] & (FATTR4_WORD1_NUMLINKS - 1U))) | |
3740 | return -EIO; | |
3741 | if (likely(bitmap[1] & FATTR4_WORD1_NUMLINKS)) { | |
c0eae66e BH |
3742 | p = xdr_inline_decode(xdr, 4); |
3743 | if (unlikely(!p)) | |
3744 | goto out_overflow; | |
cccddf4f | 3745 | *nlink = be32_to_cpup(p); |
1da177e4 | 3746 | bitmap[1] &= ~FATTR4_WORD1_NUMLINKS; |
409924e4 | 3747 | ret = NFS_ATTR_FATTR_NLINK; |
1da177e4 | 3748 | } |
3110ff80 | 3749 | dprintk("%s: nlink=%u\n", __func__, (unsigned int)*nlink); |
409924e4 | 3750 | return ret; |
c0eae66e BH |
3751 | out_overflow: |
3752 | print_overflow_msg(__func__, xdr); | |
3753 | return -EIO; | |
1da177e4 LT |
3754 | } |
3755 | ||
80e52ace | 3756 | static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, |
e5782076 | 3757 | const struct nfs_server *server, kuid_t *uid, |
6926afd1 | 3758 | struct nfs4_string *owner_name) |
1da177e4 | 3759 | { |
8687b63a AV |
3760 | uint32_t len; |
3761 | __be32 *p; | |
409924e4 | 3762 | int ret = 0; |
1da177e4 | 3763 | |
e5782076 | 3764 | *uid = make_kuid(&init_user_ns, -2); |
1da177e4 LT |
3765 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER - 1U))) |
3766 | return -EIO; | |
3767 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER)) { | |
c0eae66e BH |
3768 | p = xdr_inline_decode(xdr, 4); |
3769 | if (unlikely(!p)) | |
3770 | goto out_overflow; | |
cccddf4f | 3771 | len = be32_to_cpup(p); |
c0eae66e BH |
3772 | p = xdr_inline_decode(xdr, len); |
3773 | if (unlikely(!p)) | |
3774 | goto out_overflow; | |
6926afd1 TM |
3775 | if (owner_name != NULL) { |
3776 | owner_name->data = kmemdup(p, len, GFP_NOWAIT); | |
3777 | if (owner_name->data != NULL) { | |
3778 | owner_name->len = len; | |
3779 | ret = NFS_ATTR_FATTR_OWNER_NAME; | |
3780 | } | |
80e52ace | 3781 | } else if (len < XDR_MAX_NETOBJ) { |
e4fd72a1 | 3782 | if (nfs_map_name_to_uid(server, (char *)p, len, uid) == 0) |
409924e4 TM |
3783 | ret = NFS_ATTR_FATTR_OWNER; |
3784 | else | |
1da177e4 | 3785 | dprintk("%s: nfs_map_name_to_uid failed!\n", |
3110ff80 | 3786 | __func__); |
1da177e4 | 3787 | } else |
fe82a183 | 3788 | dprintk("%s: name too long (%u)!\n", |
3110ff80 | 3789 | __func__, len); |
1da177e4 LT |
3790 | bitmap[1] &= ~FATTR4_WORD1_OWNER; |
3791 | } | |
e5782076 | 3792 | dprintk("%s: uid=%d\n", __func__, (int)from_kuid(&init_user_ns, *uid)); |
409924e4 | 3793 | return ret; |
c0eae66e BH |
3794 | out_overflow: |
3795 | print_overflow_msg(__func__, xdr); | |
3796 | return -EIO; | |
1da177e4 LT |
3797 | } |
3798 | ||
80e52ace | 3799 | static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, |
e5782076 | 3800 | const struct nfs_server *server, kgid_t *gid, |
6926afd1 | 3801 | struct nfs4_string *group_name) |
1da177e4 | 3802 | { |
8687b63a AV |
3803 | uint32_t len; |
3804 | __be32 *p; | |
409924e4 | 3805 | int ret = 0; |
1da177e4 | 3806 | |
e5782076 | 3807 | *gid = make_kgid(&init_user_ns, -2); |
1da177e4 LT |
3808 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER_GROUP - 1U))) |
3809 | return -EIO; | |
3810 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER_GROUP)) { | |
c0eae66e BH |
3811 | p = xdr_inline_decode(xdr, 4); |
3812 | if (unlikely(!p)) | |
3813 | goto out_overflow; | |
cccddf4f | 3814 | len = be32_to_cpup(p); |
c0eae66e BH |
3815 | p = xdr_inline_decode(xdr, len); |
3816 | if (unlikely(!p)) | |
3817 | goto out_overflow; | |
6926afd1 TM |
3818 | if (group_name != NULL) { |
3819 | group_name->data = kmemdup(p, len, GFP_NOWAIT); | |
3820 | if (group_name->data != NULL) { | |
3821 | group_name->len = len; | |
3822 | ret = NFS_ATTR_FATTR_GROUP_NAME; | |
3823 | } | |
80e52ace | 3824 | } else if (len < XDR_MAX_NETOBJ) { |
e4fd72a1 | 3825 | if (nfs_map_group_to_gid(server, (char *)p, len, gid) == 0) |
409924e4 TM |
3826 | ret = NFS_ATTR_FATTR_GROUP; |
3827 | else | |
1da177e4 | 3828 | dprintk("%s: nfs_map_group_to_gid failed!\n", |
3110ff80 | 3829 | __func__); |
1da177e4 | 3830 | } else |
fe82a183 | 3831 | dprintk("%s: name too long (%u)!\n", |
3110ff80 | 3832 | __func__, len); |
1da177e4 LT |
3833 | bitmap[1] &= ~FATTR4_WORD1_OWNER_GROUP; |
3834 | } | |
e5782076 | 3835 | dprintk("%s: gid=%d\n", __func__, (int)from_kgid(&init_user_ns, *gid)); |
409924e4 | 3836 | return ret; |
c0eae66e BH |
3837 | out_overflow: |
3838 | print_overflow_msg(__func__, xdr); | |
3839 | return -EIO; | |
1da177e4 LT |
3840 | } |
3841 | ||
3842 | static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rdev) | |
3843 | { | |
8687b63a AV |
3844 | uint32_t major = 0, minor = 0; |
3845 | __be32 *p; | |
409924e4 | 3846 | int ret = 0; |
1da177e4 LT |
3847 | |
3848 | *rdev = MKDEV(0,0); | |
3849 | if (unlikely(bitmap[1] & (FATTR4_WORD1_RAWDEV - 1U))) | |
3850 | return -EIO; | |
3851 | if (likely(bitmap[1] & FATTR4_WORD1_RAWDEV)) { | |
3852 | dev_t tmp; | |
3853 | ||
c0eae66e BH |
3854 | p = xdr_inline_decode(xdr, 8); |
3855 | if (unlikely(!p)) | |
3856 | goto out_overflow; | |
6f723f77 | 3857 | major = be32_to_cpup(p++); |
cccddf4f | 3858 | minor = be32_to_cpup(p); |
1da177e4 LT |
3859 | tmp = MKDEV(major, minor); |
3860 | if (MAJOR(tmp) == major && MINOR(tmp) == minor) | |
3861 | *rdev = tmp; | |
3862 | bitmap[1] &= ~ FATTR4_WORD1_RAWDEV; | |
409924e4 | 3863 | ret = NFS_ATTR_FATTR_RDEV; |
1da177e4 | 3864 | } |
3110ff80 | 3865 | dprintk("%s: rdev=(0x%x:0x%x)\n", __func__, major, minor); |
409924e4 | 3866 | return ret; |
c0eae66e BH |
3867 | out_overflow: |
3868 | print_overflow_msg(__func__, xdr); | |
3869 | return -EIO; | |
1da177e4 LT |
3870 | } |
3871 | ||
3872 | static int decode_attr_space_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3873 | { | |
8687b63a | 3874 | __be32 *p; |
1da177e4 LT |
3875 | int status = 0; |
3876 | ||
3877 | *res = 0; | |
3878 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_AVAIL - 1U))) | |
3879 | return -EIO; | |
3880 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_AVAIL)) { | |
c0eae66e BH |
3881 | p = xdr_inline_decode(xdr, 8); |
3882 | if (unlikely(!p)) | |
3883 | goto out_overflow; | |
cccddf4f | 3884 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3885 | bitmap[1] &= ~FATTR4_WORD1_SPACE_AVAIL; |
3886 | } | |
3110ff80 | 3887 | dprintk("%s: space avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3888 | return status; |
c0eae66e BH |
3889 | out_overflow: |
3890 | print_overflow_msg(__func__, xdr); | |
3891 | return -EIO; | |
1da177e4 LT |
3892 | } |
3893 | ||
3894 | static int decode_attr_space_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3895 | { | |
8687b63a | 3896 | __be32 *p; |
1da177e4 LT |
3897 | int status = 0; |
3898 | ||
3899 | *res = 0; | |
3900 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_FREE - 1U))) | |
3901 | return -EIO; | |
3902 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_FREE)) { | |
c0eae66e BH |
3903 | p = xdr_inline_decode(xdr, 8); |
3904 | if (unlikely(!p)) | |
3905 | goto out_overflow; | |
cccddf4f | 3906 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3907 | bitmap[1] &= ~FATTR4_WORD1_SPACE_FREE; |
3908 | } | |
3110ff80 | 3909 | dprintk("%s: space free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3910 | return status; |
c0eae66e BH |
3911 | out_overflow: |
3912 | print_overflow_msg(__func__, xdr); | |
3913 | return -EIO; | |
1da177e4 LT |
3914 | } |
3915 | ||
3916 | static int decode_attr_space_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3917 | { | |
8687b63a | 3918 | __be32 *p; |
1da177e4 LT |
3919 | int status = 0; |
3920 | ||
3921 | *res = 0; | |
3922 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_TOTAL - 1U))) | |
3923 | return -EIO; | |
3924 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_TOTAL)) { | |
c0eae66e BH |
3925 | p = xdr_inline_decode(xdr, 8); |
3926 | if (unlikely(!p)) | |
3927 | goto out_overflow; | |
cccddf4f | 3928 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3929 | bitmap[1] &= ~FATTR4_WORD1_SPACE_TOTAL; |
3930 | } | |
3110ff80 | 3931 | dprintk("%s: space total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3932 | return status; |
c0eae66e BH |
3933 | out_overflow: |
3934 | print_overflow_msg(__func__, xdr); | |
3935 | return -EIO; | |
1da177e4 LT |
3936 | } |
3937 | ||
3938 | static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *used) | |
3939 | { | |
8687b63a | 3940 | __be32 *p; |
409924e4 | 3941 | int ret = 0; |
1da177e4 LT |
3942 | |
3943 | *used = 0; | |
3944 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_USED - 1U))) | |
3945 | return -EIO; | |
3946 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_USED)) { | |
c0eae66e BH |
3947 | p = xdr_inline_decode(xdr, 8); |
3948 | if (unlikely(!p)) | |
3949 | goto out_overflow; | |
cccddf4f | 3950 | xdr_decode_hyper(p, used); |
1da177e4 | 3951 | bitmap[1] &= ~FATTR4_WORD1_SPACE_USED; |
409924e4 | 3952 | ret = NFS_ATTR_FATTR_SPACE_USED; |
1da177e4 | 3953 | } |
3110ff80 | 3954 | dprintk("%s: space used=%Lu\n", __func__, |
1da177e4 | 3955 | (unsigned long long)*used); |
409924e4 | 3956 | return ret; |
c0eae66e BH |
3957 | out_overflow: |
3958 | print_overflow_msg(__func__, xdr); | |
3959 | return -EIO; | |
1da177e4 LT |
3960 | } |
3961 | ||
3962 | static int decode_attr_time(struct xdr_stream *xdr, struct timespec *time) | |
3963 | { | |
8687b63a | 3964 | __be32 *p; |
1da177e4 LT |
3965 | uint64_t sec; |
3966 | uint32_t nsec; | |
3967 | ||
c0eae66e BH |
3968 | p = xdr_inline_decode(xdr, 12); |
3969 | if (unlikely(!p)) | |
3970 | goto out_overflow; | |
3ceb4dbb | 3971 | p = xdr_decode_hyper(p, &sec); |
cccddf4f | 3972 | nsec = be32_to_cpup(p); |
1da177e4 LT |
3973 | time->tv_sec = (time_t)sec; |
3974 | time->tv_nsec = (long)nsec; | |
3975 | return 0; | |
c0eae66e BH |
3976 | out_overflow: |
3977 | print_overflow_msg(__func__, xdr); | |
3978 | return -EIO; | |
1da177e4 LT |
3979 | } |
3980 | ||
3981 | static int decode_attr_time_access(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
3982 | { | |
3983 | int status = 0; | |
3984 | ||
3985 | time->tv_sec = 0; | |
3986 | time->tv_nsec = 0; | |
3987 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_ACCESS - 1U))) | |
3988 | return -EIO; | |
3989 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_ACCESS)) { | |
3990 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
3991 | if (status == 0) |
3992 | status = NFS_ATTR_FATTR_ATIME; | |
1da177e4 LT |
3993 | bitmap[1] &= ~FATTR4_WORD1_TIME_ACCESS; |
3994 | } | |
3110ff80 | 3995 | dprintk("%s: atime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
3996 | return status; |
3997 | } | |
3998 | ||
3999 | static int decode_attr_time_metadata(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
4000 | { | |
4001 | int status = 0; | |
4002 | ||
4003 | time->tv_sec = 0; | |
4004 | time->tv_nsec = 0; | |
4005 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_METADATA - 1U))) | |
4006 | return -EIO; | |
4007 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_METADATA)) { | |
4008 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4009 | if (status == 0) |
4010 | status = NFS_ATTR_FATTR_CTIME; | |
1da177e4 LT |
4011 | bitmap[1] &= ~FATTR4_WORD1_TIME_METADATA; |
4012 | } | |
3110ff80 | 4013 | dprintk("%s: ctime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
4014 | return status; |
4015 | } | |
4016 | ||
55b6e774 RL |
4017 | static int decode_attr_time_delta(struct xdr_stream *xdr, uint32_t *bitmap, |
4018 | struct timespec *time) | |
4019 | { | |
4020 | int status = 0; | |
4021 | ||
4022 | time->tv_sec = 0; | |
4023 | time->tv_nsec = 0; | |
4024 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_DELTA - 1U))) | |
4025 | return -EIO; | |
4026 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_DELTA)) { | |
4027 | status = decode_attr_time(xdr, time); | |
4028 | bitmap[1] &= ~FATTR4_WORD1_TIME_DELTA; | |
4029 | } | |
4030 | dprintk("%s: time_delta=%ld %ld\n", __func__, (long)time->tv_sec, | |
4031 | (long)time->tv_nsec); | |
4032 | return status; | |
4033 | } | |
4034 | ||
1da177e4 LT |
4035 | static int decode_attr_time_modify(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) |
4036 | { | |
4037 | int status = 0; | |
4038 | ||
4039 | time->tv_sec = 0; | |
4040 | time->tv_nsec = 0; | |
4041 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_MODIFY - 1U))) | |
4042 | return -EIO; | |
4043 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_MODIFY)) { | |
4044 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4045 | if (status == 0) |
4046 | status = NFS_ATTR_FATTR_MTIME; | |
1da177e4 LT |
4047 | bitmap[1] &= ~FATTR4_WORD1_TIME_MODIFY; |
4048 | } | |
3110ff80 | 4049 | dprintk("%s: mtime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
4050 | return status; |
4051 | } | |
4052 | ||
256e48bb | 4053 | static int verify_attr_len(struct xdr_stream *xdr, unsigned int savep, uint32_t attrlen) |
1da177e4 LT |
4054 | { |
4055 | unsigned int attrwords = XDR_QUADLEN(attrlen); | |
256e48bb | 4056 | unsigned int nwords = (xdr_stream_pos(xdr) - savep) >> 2; |
1da177e4 LT |
4057 | |
4058 | if (unlikely(attrwords != nwords)) { | |
fe82a183 CL |
4059 | dprintk("%s: server returned incorrect attribute length: " |
4060 | "%u %c %u\n", | |
3110ff80 | 4061 | __func__, |
1da177e4 LT |
4062 | attrwords << 2, |
4063 | (attrwords < nwords) ? '<' : '>', | |
4064 | nwords << 2); | |
4065 | return -EIO; | |
4066 | } | |
4067 | return 0; | |
4068 | } | |
4069 | ||
4070 | static int decode_change_info(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4071 | { | |
8687b63a | 4072 | __be32 *p; |
1da177e4 | 4073 | |
c0eae66e BH |
4074 | p = xdr_inline_decode(xdr, 20); |
4075 | if (unlikely(!p)) | |
4076 | goto out_overflow; | |
6f723f77 | 4077 | cinfo->atomic = be32_to_cpup(p++); |
3ceb4dbb | 4078 | p = xdr_decode_hyper(p, &cinfo->before); |
cccddf4f | 4079 | xdr_decode_hyper(p, &cinfo->after); |
1da177e4 | 4080 | return 0; |
c0eae66e BH |
4081 | out_overflow: |
4082 | print_overflow_msg(__func__, xdr); | |
4083 | return -EIO; | |
1da177e4 LT |
4084 | } |
4085 | ||
6168f62c | 4086 | static int decode_access(struct xdr_stream *xdr, u32 *supported, u32 *access) |
1da177e4 | 4087 | { |
8687b63a | 4088 | __be32 *p; |
1da177e4 LT |
4089 | uint32_t supp, acc; |
4090 | int status; | |
4091 | ||
4092 | status = decode_op_hdr(xdr, OP_ACCESS); | |
4093 | if (status) | |
4094 | return status; | |
c0eae66e BH |
4095 | p = xdr_inline_decode(xdr, 8); |
4096 | if (unlikely(!p)) | |
4097 | goto out_overflow; | |
6f723f77 | 4098 | supp = be32_to_cpup(p++); |
cccddf4f | 4099 | acc = be32_to_cpup(p); |
6168f62c WAA |
4100 | *supported = supp; |
4101 | *access = acc; | |
1da177e4 | 4102 | return 0; |
c0eae66e BH |
4103 | out_overflow: |
4104 | print_overflow_msg(__func__, xdr); | |
4105 | return -EIO; | |
1da177e4 LT |
4106 | } |
4107 | ||
07d30434 | 4108 | static int decode_opaque_fixed(struct xdr_stream *xdr, void *buf, size_t len) |
1da177e4 | 4109 | { |
8687b63a | 4110 | __be32 *p; |
07d30434 BH |
4111 | |
4112 | p = xdr_inline_decode(xdr, len); | |
4113 | if (likely(p)) { | |
4114 | memcpy(buf, p, len); | |
4115 | return 0; | |
4116 | } | |
4117 | print_overflow_msg(__func__, xdr); | |
4118 | return -EIO; | |
4119 | } | |
4120 | ||
4121 | static int decode_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) | |
4122 | { | |
2d2f24ad | 4123 | return decode_opaque_fixed(xdr, stateid, NFS4_STATEID_SIZE); |
07d30434 BH |
4124 | } |
4125 | ||
4126 | static int decode_close(struct xdr_stream *xdr, struct nfs_closeres *res) | |
4127 | { | |
1da177e4 LT |
4128 | int status; |
4129 | ||
4130 | status = decode_op_hdr(xdr, OP_CLOSE); | |
c1d51931 TM |
4131 | if (status != -EIO) |
4132 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4133 | if (!status) |
4134 | status = decode_stateid(xdr, &res->stateid); | |
4135 | return status; | |
1da177e4 LT |
4136 | } |
4137 | ||
db942bbd BH |
4138 | static int decode_verifier(struct xdr_stream *xdr, void *verifier) |
4139 | { | |
cd93710e | 4140 | return decode_opaque_fixed(xdr, verifier, NFS4_VERIFIER_SIZE); |
1da177e4 LT |
4141 | } |
4142 | ||
2f2c63bc TM |
4143 | static int decode_write_verifier(struct xdr_stream *xdr, struct nfs_write_verifier *verifier) |
4144 | { | |
4145 | return decode_opaque_fixed(xdr, verifier->data, NFS4_VERIFIER_SIZE); | |
4146 | } | |
4147 | ||
0b7c0153 | 4148 | static int decode_commit(struct xdr_stream *xdr, struct nfs_commitres *res) |
1da177e4 | 4149 | { |
1da177e4 LT |
4150 | int status; |
4151 | ||
4152 | status = decode_op_hdr(xdr, OP_COMMIT); | |
db942bbd | 4153 | if (!status) |
2f2c63bc | 4154 | status = decode_write_verifier(xdr, &res->verf->verifier); |
db942bbd | 4155 | return status; |
1da177e4 LT |
4156 | } |
4157 | ||
4158 | static int decode_create(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4159 | { | |
8687b63a | 4160 | __be32 *p; |
1da177e4 LT |
4161 | uint32_t bmlen; |
4162 | int status; | |
4163 | ||
4164 | status = decode_op_hdr(xdr, OP_CREATE); | |
4165 | if (status) | |
4166 | return status; | |
4167 | if ((status = decode_change_info(xdr, cinfo))) | |
4168 | return status; | |
c0eae66e BH |
4169 | p = xdr_inline_decode(xdr, 4); |
4170 | if (unlikely(!p)) | |
4171 | goto out_overflow; | |
cccddf4f | 4172 | bmlen = be32_to_cpup(p); |
c0eae66e BH |
4173 | p = xdr_inline_decode(xdr, bmlen << 2); |
4174 | if (likely(p)) | |
4175 | return 0; | |
4176 | out_overflow: | |
4177 | print_overflow_msg(__func__, xdr); | |
4178 | return -EIO; | |
1da177e4 LT |
4179 | } |
4180 | ||
4181 | static int decode_server_caps(struct xdr_stream *xdr, struct nfs4_server_caps_res *res) | |
4182 | { | |
256e48bb | 4183 | unsigned int savep; |
dae100c2 | 4184 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 LT |
4185 | int status; |
4186 | ||
4187 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
4188 | goto xdr_error; | |
4189 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4190 | goto xdr_error; | |
4191 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4192 | goto xdr_error; | |
4193 | if ((status = decode_attr_supported(xdr, bitmap, res->attr_bitmask)) != 0) | |
4194 | goto xdr_error; | |
264e6351 CL |
4195 | if ((status = decode_attr_fh_expire_type(xdr, bitmap, |
4196 | &res->fh_expire_type)) != 0) | |
4197 | goto xdr_error; | |
1da177e4 LT |
4198 | if ((status = decode_attr_link_support(xdr, bitmap, &res->has_links)) != 0) |
4199 | goto xdr_error; | |
4200 | if ((status = decode_attr_symlink_support(xdr, bitmap, &res->has_symlinks)) != 0) | |
4201 | goto xdr_error; | |
4202 | if ((status = decode_attr_aclsupport(xdr, bitmap, &res->acl_bitmask)) != 0) | |
4203 | goto xdr_error; | |
4204 | status = verify_attr_len(xdr, savep, attrlen); | |
4205 | xdr_error: | |
3110ff80 | 4206 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4207 | return status; |
4208 | } | |
6c0195a4 | 4209 | |
1da177e4 LT |
4210 | static int decode_statfs(struct xdr_stream *xdr, struct nfs_fsstat *fsstat) |
4211 | { | |
256e48bb | 4212 | unsigned int savep; |
dae100c2 | 4213 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 | 4214 | int status; |
6c0195a4 | 4215 | |
1da177e4 LT |
4216 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
4217 | goto xdr_error; | |
4218 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4219 | goto xdr_error; | |
4220 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4221 | goto xdr_error; | |
4222 | ||
4223 | if ((status = decode_attr_files_avail(xdr, bitmap, &fsstat->afiles)) != 0) | |
4224 | goto xdr_error; | |
4225 | if ((status = decode_attr_files_free(xdr, bitmap, &fsstat->ffiles)) != 0) | |
4226 | goto xdr_error; | |
4227 | if ((status = decode_attr_files_total(xdr, bitmap, &fsstat->tfiles)) != 0) | |
4228 | goto xdr_error; | |
4229 | if ((status = decode_attr_space_avail(xdr, bitmap, &fsstat->abytes)) != 0) | |
4230 | goto xdr_error; | |
4231 | if ((status = decode_attr_space_free(xdr, bitmap, &fsstat->fbytes)) != 0) | |
4232 | goto xdr_error; | |
4233 | if ((status = decode_attr_space_total(xdr, bitmap, &fsstat->tbytes)) != 0) | |
4234 | goto xdr_error; | |
4235 | ||
4236 | status = verify_attr_len(xdr, savep, attrlen); | |
4237 | xdr_error: | |
3110ff80 | 4238 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4239 | return status; |
4240 | } | |
4241 | ||
4242 | static int decode_pathconf(struct xdr_stream *xdr, struct nfs_pathconf *pathconf) | |
4243 | { | |
256e48bb | 4244 | unsigned int savep; |
dae100c2 | 4245 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 | 4246 | int status; |
6c0195a4 | 4247 | |
1da177e4 LT |
4248 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
4249 | goto xdr_error; | |
4250 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4251 | goto xdr_error; | |
4252 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4253 | goto xdr_error; | |
4254 | ||
4255 | if ((status = decode_attr_maxlink(xdr, bitmap, &pathconf->max_link)) != 0) | |
4256 | goto xdr_error; | |
4257 | if ((status = decode_attr_maxname(xdr, bitmap, &pathconf->max_namelen)) != 0) | |
4258 | goto xdr_error; | |
4259 | ||
4260 | status = verify_attr_len(xdr, savep, attrlen); | |
4261 | xdr_error: | |
3110ff80 | 4262 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4263 | return status; |
4264 | } | |
4265 | ||
88034c3d AA |
4266 | static int decode_threshold_hint(struct xdr_stream *xdr, |
4267 | uint32_t *bitmap, | |
4268 | uint64_t *res, | |
4269 | uint32_t hint_bit) | |
4270 | { | |
4271 | __be32 *p; | |
4272 | ||
4273 | *res = 0; | |
4274 | if (likely(bitmap[0] & hint_bit)) { | |
4275 | p = xdr_inline_decode(xdr, 8); | |
4276 | if (unlikely(!p)) | |
4277 | goto out_overflow; | |
4278 | xdr_decode_hyper(p, res); | |
4279 | } | |
4280 | return 0; | |
4281 | out_overflow: | |
4282 | print_overflow_msg(__func__, xdr); | |
4283 | return -EIO; | |
4284 | } | |
4285 | ||
4286 | static int decode_first_threshold_item4(struct xdr_stream *xdr, | |
4287 | struct nfs4_threshold *res) | |
4288 | { | |
256e48bb TM |
4289 | __be32 *p; |
4290 | unsigned int savep; | |
88034c3d AA |
4291 | uint32_t bitmap[3] = {0,}, attrlen; |
4292 | int status; | |
4293 | ||
4294 | /* layout type */ | |
4295 | p = xdr_inline_decode(xdr, 4); | |
4296 | if (unlikely(!p)) { | |
4297 | print_overflow_msg(__func__, xdr); | |
4298 | return -EIO; | |
4299 | } | |
4300 | res->l_type = be32_to_cpup(p); | |
4301 | ||
4302 | /* thi_hintset bitmap */ | |
4303 | status = decode_attr_bitmap(xdr, bitmap); | |
4304 | if (status < 0) | |
4305 | goto xdr_error; | |
4306 | ||
4307 | /* thi_hintlist length */ | |
4308 | status = decode_attr_length(xdr, &attrlen, &savep); | |
4309 | if (status < 0) | |
4310 | goto xdr_error; | |
4311 | /* thi_hintlist */ | |
4312 | status = decode_threshold_hint(xdr, bitmap, &res->rd_sz, THRESHOLD_RD); | |
4313 | if (status < 0) | |
4314 | goto xdr_error; | |
4315 | status = decode_threshold_hint(xdr, bitmap, &res->wr_sz, THRESHOLD_WR); | |
4316 | if (status < 0) | |
4317 | goto xdr_error; | |
4318 | status = decode_threshold_hint(xdr, bitmap, &res->rd_io_sz, | |
4319 | THRESHOLD_RD_IO); | |
4320 | if (status < 0) | |
4321 | goto xdr_error; | |
4322 | status = decode_threshold_hint(xdr, bitmap, &res->wr_io_sz, | |
4323 | THRESHOLD_WR_IO); | |
4324 | if (status < 0) | |
4325 | goto xdr_error; | |
4326 | ||
4327 | status = verify_attr_len(xdr, savep, attrlen); | |
4328 | res->bm = bitmap[0]; | |
4329 | ||
4330 | dprintk("%s bm=0x%x rd_sz=%llu wr_sz=%llu rd_io=%llu wr_io=%llu\n", | |
4331 | __func__, res->bm, res->rd_sz, res->wr_sz, res->rd_io_sz, | |
4332 | res->wr_io_sz); | |
4333 | xdr_error: | |
4334 | dprintk("%s ret=%d!\n", __func__, status); | |
4335 | return status; | |
4336 | } | |
4337 | ||
4338 | /* | |
4339 | * Thresholds on pNFS direct I/O vrs MDS I/O | |
4340 | */ | |
4341 | static int decode_attr_mdsthreshold(struct xdr_stream *xdr, | |
4342 | uint32_t *bitmap, | |
4343 | struct nfs4_threshold *res) | |
4344 | { | |
4345 | __be32 *p; | |
4346 | int status = 0; | |
4347 | uint32_t num; | |
4348 | ||
4349 | if (unlikely(bitmap[2] & (FATTR4_WORD2_MDSTHRESHOLD - 1U))) | |
4350 | return -EIO; | |
029c5347 | 4351 | if (bitmap[2] & FATTR4_WORD2_MDSTHRESHOLD) { |
1549210f TM |
4352 | /* Did the server return an unrequested attribute? */ |
4353 | if (unlikely(res == NULL)) | |
4354 | return -EREMOTEIO; | |
88034c3d AA |
4355 | p = xdr_inline_decode(xdr, 4); |
4356 | if (unlikely(!p)) | |
4357 | goto out_overflow; | |
4358 | num = be32_to_cpup(p); | |
4359 | if (num == 0) | |
4360 | return 0; | |
4361 | if (num > 1) | |
4362 | printk(KERN_INFO "%s: Warning: Multiple pNFS layout " | |
4363 | "drivers per filesystem not supported\n", | |
4364 | __func__); | |
4365 | ||
4366 | status = decode_first_threshold_item4(xdr, res); | |
029c5347 | 4367 | bitmap[2] &= ~FATTR4_WORD2_MDSTHRESHOLD; |
88034c3d AA |
4368 | } |
4369 | return status; | |
4370 | out_overflow: | |
4371 | print_overflow_msg(__func__, xdr); | |
4372 | return -EIO; | |
4373 | } | |
4374 | ||
ae42c70a BS |
4375 | static int decode_getfattr_attrs(struct xdr_stream *xdr, uint32_t *bitmap, |
4376 | struct nfs_fattr *fattr, struct nfs_fh *fh, | |
8b7e3f49 | 4377 | struct nfs4_fs_locations *fs_loc, |
6926afd1 | 4378 | const struct nfs_server *server) |
1da177e4 | 4379 | { |
bca79478 TM |
4380 | int status; |
4381 | umode_t fmode = 0; | |
ae42c70a | 4382 | uint32_t type; |
ee7b75fc | 4383 | int32_t err; |
1da177e4 | 4384 | |
f26c7a78 TM |
4385 | status = decode_attr_type(xdr, bitmap, &type); |
4386 | if (status < 0) | |
1da177e4 | 4387 | goto xdr_error; |
409924e4 TM |
4388 | fattr->mode = 0; |
4389 | if (status != 0) { | |
4390 | fattr->mode |= nfs_type2fmt[type]; | |
4391 | fattr->valid |= status; | |
4392 | } | |
1da177e4 | 4393 | |
f26c7a78 TM |
4394 | status = decode_attr_change(xdr, bitmap, &fattr->change_attr); |
4395 | if (status < 0) | |
1da177e4 | 4396 | goto xdr_error; |
409924e4 | 4397 | fattr->valid |= status; |
f26c7a78 TM |
4398 | |
4399 | status = decode_attr_size(xdr, bitmap, &fattr->size); | |
4400 | if (status < 0) | |
1da177e4 | 4401 | goto xdr_error; |
409924e4 | 4402 | fattr->valid |= status; |
f26c7a78 TM |
4403 | |
4404 | status = decode_attr_fsid(xdr, bitmap, &fattr->fsid); | |
4405 | if (status < 0) | |
1da177e4 | 4406 | goto xdr_error; |
409924e4 | 4407 | fattr->valid |= status; |
f26c7a78 | 4408 | |
ee7b75fc TM |
4409 | err = 0; |
4410 | status = decode_attr_error(xdr, bitmap, &err); | |
ae42c70a BS |
4411 | if (status < 0) |
4412 | goto xdr_error; | |
4413 | ||
4414 | status = decode_attr_filehandle(xdr, bitmap, fh); | |
4415 | if (status < 0) | |
4416 | goto xdr_error; | |
4417 | ||
f26c7a78 TM |
4418 | status = decode_attr_fileid(xdr, bitmap, &fattr->fileid); |
4419 | if (status < 0) | |
1da177e4 | 4420 | goto xdr_error; |
409924e4 | 4421 | fattr->valid |= status; |
f26c7a78 | 4422 | |
8b7e3f49 | 4423 | status = decode_attr_fs_locations(xdr, bitmap, fs_loc); |
f26c7a78 | 4424 | if (status < 0) |
683b57b4 | 4425 | goto xdr_error; |
409924e4 | 4426 | fattr->valid |= status; |
f26c7a78 TM |
4427 | |
4428 | status = decode_attr_mode(xdr, bitmap, &fmode); | |
4429 | if (status < 0) | |
1da177e4 | 4430 | goto xdr_error; |
409924e4 TM |
4431 | if (status != 0) { |
4432 | fattr->mode |= fmode; | |
4433 | fattr->valid |= status; | |
4434 | } | |
f26c7a78 TM |
4435 | |
4436 | status = decode_attr_nlink(xdr, bitmap, &fattr->nlink); | |
4437 | if (status < 0) | |
1da177e4 | 4438 | goto xdr_error; |
409924e4 | 4439 | fattr->valid |= status; |
f26c7a78 | 4440 | |
6926afd1 | 4441 | status = decode_attr_owner(xdr, bitmap, server, &fattr->uid, fattr->owner_name); |
f26c7a78 | 4442 | if (status < 0) |
1da177e4 | 4443 | goto xdr_error; |
409924e4 | 4444 | fattr->valid |= status; |
f26c7a78 | 4445 | |
6926afd1 | 4446 | status = decode_attr_group(xdr, bitmap, server, &fattr->gid, fattr->group_name); |
f26c7a78 | 4447 | if (status < 0) |
1da177e4 | 4448 | goto xdr_error; |
409924e4 | 4449 | fattr->valid |= status; |
f26c7a78 TM |
4450 | |
4451 | status = decode_attr_rdev(xdr, bitmap, &fattr->rdev); | |
4452 | if (status < 0) | |
1da177e4 | 4453 | goto xdr_error; |
409924e4 | 4454 | fattr->valid |= status; |
f26c7a78 TM |
4455 | |
4456 | status = decode_attr_space_used(xdr, bitmap, &fattr->du.nfs3.used); | |
4457 | if (status < 0) | |
1da177e4 | 4458 | goto xdr_error; |
409924e4 | 4459 | fattr->valid |= status; |
f26c7a78 TM |
4460 | |
4461 | status = decode_attr_time_access(xdr, bitmap, &fattr->atime); | |
4462 | if (status < 0) | |
1da177e4 | 4463 | goto xdr_error; |
409924e4 | 4464 | fattr->valid |= status; |
f26c7a78 TM |
4465 | |
4466 | status = decode_attr_time_metadata(xdr, bitmap, &fattr->ctime); | |
4467 | if (status < 0) | |
1da177e4 | 4468 | goto xdr_error; |
409924e4 | 4469 | fattr->valid |= status; |
f26c7a78 TM |
4470 | |
4471 | status = decode_attr_time_modify(xdr, bitmap, &fattr->mtime); | |
4472 | if (status < 0) | |
1da177e4 | 4473 | goto xdr_error; |
409924e4 | 4474 | fattr->valid |= status; |
f26c7a78 | 4475 | |
28331a46 | 4476 | status = decode_attr_mounted_on_fileid(xdr, bitmap, &fattr->mounted_on_fileid); |
f26c7a78 | 4477 | if (status < 0) |
99baf625 | 4478 | goto xdr_error; |
28331a46 | 4479 | fattr->valid |= status; |
f26c7a78 | 4480 | |
88034c3d AA |
4481 | status = decode_attr_mdsthreshold(xdr, bitmap, fattr->mdsthreshold); |
4482 | if (status < 0) | |
4483 | goto xdr_error; | |
4484 | ||
ae42c70a BS |
4485 | xdr_error: |
4486 | dprintk("%s: xdr returned %d\n", __func__, -status); | |
4487 | return status; | |
4488 | } | |
4489 | ||
4490 | static int decode_getfattr_generic(struct xdr_stream *xdr, struct nfs_fattr *fattr, | |
8b7e3f49 TM |
4491 | struct nfs_fh *fh, struct nfs4_fs_locations *fs_loc, |
4492 | const struct nfs_server *server) | |
ae42c70a | 4493 | { |
256e48bb | 4494 | unsigned int savep; |
ae42c70a | 4495 | uint32_t attrlen, |
dae100c2 | 4496 | bitmap[3] = {0}; |
ae42c70a BS |
4497 | int status; |
4498 | ||
4499 | status = decode_op_hdr(xdr, OP_GETATTR); | |
4500 | if (status < 0) | |
4501 | goto xdr_error; | |
4502 | ||
4503 | status = decode_attr_bitmap(xdr, bitmap); | |
4504 | if (status < 0) | |
4505 | goto xdr_error; | |
4506 | ||
4507 | status = decode_attr_length(xdr, &attrlen, &savep); | |
4508 | if (status < 0) | |
4509 | goto xdr_error; | |
4510 | ||
8b7e3f49 | 4511 | status = decode_getfattr_attrs(xdr, bitmap, fattr, fh, fs_loc, server); |
ae42c70a BS |
4512 | if (status < 0) |
4513 | goto xdr_error; | |
4514 | ||
f26c7a78 | 4515 | status = verify_attr_len(xdr, savep, attrlen); |
1da177e4 | 4516 | xdr_error: |
3110ff80 | 4517 | dprintk("%s: xdr returned %d\n", __func__, -status); |
1da177e4 LT |
4518 | return status; |
4519 | } | |
4520 | ||
ae42c70a | 4521 | static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr, |
6926afd1 | 4522 | const struct nfs_server *server) |
ae42c70a | 4523 | { |
8b7e3f49 | 4524 | return decode_getfattr_generic(xdr, fattr, NULL, NULL, server); |
ae42c70a | 4525 | } |
1da177e4 | 4526 | |
504913fb AA |
4527 | /* |
4528 | * Decode potentially multiple layout types. Currently we only support | |
4529 | * one layout driver per file system. | |
4530 | */ | |
4531 | static int decode_first_pnfs_layout_type(struct xdr_stream *xdr, | |
4532 | uint32_t *layouttype) | |
4533 | { | |
4534 | uint32_t *p; | |
4535 | int num; | |
4536 | ||
4537 | p = xdr_inline_decode(xdr, 4); | |
4538 | if (unlikely(!p)) | |
4539 | goto out_overflow; | |
4540 | num = be32_to_cpup(p); | |
4541 | ||
4542 | /* pNFS is not supported by the underlying file system */ | |
4543 | if (num == 0) { | |
4544 | *layouttype = 0; | |
4545 | return 0; | |
4546 | } | |
4547 | if (num > 1) | |
a030889a WAA |
4548 | printk(KERN_INFO "NFS: %s: Warning: Multiple pNFS layout " |
4549 | "drivers per filesystem not supported\n", __func__); | |
504913fb AA |
4550 | |
4551 | /* Decode and set first layout type, move xdr->p past unused types */ | |
4552 | p = xdr_inline_decode(xdr, num * 4); | |
4553 | if (unlikely(!p)) | |
4554 | goto out_overflow; | |
4555 | *layouttype = be32_to_cpup(p); | |
4556 | return 0; | |
4557 | out_overflow: | |
4558 | print_overflow_msg(__func__, xdr); | |
4559 | return -EIO; | |
4560 | } | |
4561 | ||
4562 | /* | |
4563 | * The type of file system exported. | |
4564 | * Note we must ensure that layouttype is set in any non-error case. | |
4565 | */ | |
4566 | static int decode_attr_pnfstype(struct xdr_stream *xdr, uint32_t *bitmap, | |
4567 | uint32_t *layouttype) | |
4568 | { | |
4569 | int status = 0; | |
4570 | ||
4571 | dprintk("%s: bitmap is %x\n", __func__, bitmap[1]); | |
4572 | if (unlikely(bitmap[1] & (FATTR4_WORD1_FS_LAYOUT_TYPES - 1U))) | |
4573 | return -EIO; | |
4574 | if (bitmap[1] & FATTR4_WORD1_FS_LAYOUT_TYPES) { | |
4575 | status = decode_first_pnfs_layout_type(xdr, layouttype); | |
4576 | bitmap[1] &= ~FATTR4_WORD1_FS_LAYOUT_TYPES; | |
4577 | } else | |
4578 | *layouttype = 0; | |
4579 | return status; | |
4580 | } | |
4581 | ||
dae100c2 FI |
4582 | /* |
4583 | * The prefered block size for layout directed io | |
4584 | */ | |
4585 | static int decode_attr_layout_blksize(struct xdr_stream *xdr, uint32_t *bitmap, | |
4586 | uint32_t *res) | |
4587 | { | |
4588 | __be32 *p; | |
4589 | ||
4590 | dprintk("%s: bitmap is %x\n", __func__, bitmap[2]); | |
4591 | *res = 0; | |
4592 | if (bitmap[2] & FATTR4_WORD2_LAYOUT_BLKSIZE) { | |
4593 | p = xdr_inline_decode(xdr, 4); | |
4594 | if (unlikely(!p)) { | |
4595 | print_overflow_msg(__func__, xdr); | |
4596 | return -EIO; | |
4597 | } | |
4598 | *res = be32_to_cpup(p); | |
4599 | bitmap[2] &= ~FATTR4_WORD2_LAYOUT_BLKSIZE; | |
4600 | } | |
4601 | return 0; | |
4602 | } | |
4603 | ||
1da177e4 LT |
4604 | static int decode_fsinfo(struct xdr_stream *xdr, struct nfs_fsinfo *fsinfo) |
4605 | { | |
256e48bb | 4606 | unsigned int savep; |
dae100c2 | 4607 | uint32_t attrlen, bitmap[3]; |
1da177e4 LT |
4608 | int status; |
4609 | ||
4610 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
4611 | goto xdr_error; | |
4612 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4613 | goto xdr_error; | |
4614 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4615 | goto xdr_error; | |
4616 | ||
4617 | fsinfo->rtmult = fsinfo->wtmult = 512; /* ??? */ | |
4618 | ||
4619 | if ((status = decode_attr_lease_time(xdr, bitmap, &fsinfo->lease_time)) != 0) | |
4620 | goto xdr_error; | |
4621 | if ((status = decode_attr_maxfilesize(xdr, bitmap, &fsinfo->maxfilesize)) != 0) | |
4622 | goto xdr_error; | |
4623 | if ((status = decode_attr_maxread(xdr, bitmap, &fsinfo->rtmax)) != 0) | |
4624 | goto xdr_error; | |
4625 | fsinfo->rtpref = fsinfo->dtpref = fsinfo->rtmax; | |
4626 | if ((status = decode_attr_maxwrite(xdr, bitmap, &fsinfo->wtmax)) != 0) | |
4627 | goto xdr_error; | |
4628 | fsinfo->wtpref = fsinfo->wtmax; | |
55b6e774 | 4629 | status = decode_attr_time_delta(xdr, bitmap, &fsinfo->time_delta); |
504913fb AA |
4630 | if (status != 0) |
4631 | goto xdr_error; | |
4632 | status = decode_attr_pnfstype(xdr, bitmap, &fsinfo->layouttype); | |
55b6e774 RL |
4633 | if (status != 0) |
4634 | goto xdr_error; | |
dae100c2 FI |
4635 | status = decode_attr_layout_blksize(xdr, bitmap, &fsinfo->blksize); |
4636 | if (status) | |
4637 | goto xdr_error; | |
1da177e4 LT |
4638 | |
4639 | status = verify_attr_len(xdr, savep, attrlen); | |
4640 | xdr_error: | |
3110ff80 | 4641 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4642 | return status; |
4643 | } | |
4644 | ||
4645 | static int decode_getfh(struct xdr_stream *xdr, struct nfs_fh *fh) | |
4646 | { | |
8687b63a | 4647 | __be32 *p; |
1da177e4 LT |
4648 | uint32_t len; |
4649 | int status; | |
4650 | ||
9936781d TM |
4651 | /* Zero handle first to allow comparisons */ |
4652 | memset(fh, 0, sizeof(*fh)); | |
4653 | ||
1da177e4 LT |
4654 | status = decode_op_hdr(xdr, OP_GETFH); |
4655 | if (status) | |
4656 | return status; | |
1da177e4 | 4657 | |
c0eae66e BH |
4658 | p = xdr_inline_decode(xdr, 4); |
4659 | if (unlikely(!p)) | |
4660 | goto out_overflow; | |
cccddf4f | 4661 | len = be32_to_cpup(p); |
1da177e4 LT |
4662 | if (len > NFS4_FHSIZE) |
4663 | return -EIO; | |
4664 | fh->size = len; | |
c0eae66e BH |
4665 | p = xdr_inline_decode(xdr, len); |
4666 | if (unlikely(!p)) | |
4667 | goto out_overflow; | |
99398d06 | 4668 | memcpy(fh->data, p, len); |
1da177e4 | 4669 | return 0; |
c0eae66e BH |
4670 | out_overflow: |
4671 | print_overflow_msg(__func__, xdr); | |
4672 | return -EIO; | |
1da177e4 LT |
4673 | } |
4674 | ||
4675 | static int decode_link(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4676 | { | |
4677 | int status; | |
6c0195a4 | 4678 | |
1da177e4 LT |
4679 | status = decode_op_hdr(xdr, OP_LINK); |
4680 | if (status) | |
4681 | return status; | |
4682 | return decode_change_info(xdr, cinfo); | |
4683 | } | |
4684 | ||
4685 | /* | |
4686 | * We create the owner, so we know a proper owner.id length is 4. | |
4687 | */ | |
911d1aaf | 4688 | static int decode_lock_denied (struct xdr_stream *xdr, struct file_lock *fl) |
1da177e4 | 4689 | { |
911d1aaf | 4690 | uint64_t offset, length, clientid; |
8687b63a | 4691 | __be32 *p; |
911d1aaf | 4692 | uint32_t namelen, type; |
1da177e4 | 4693 | |
babddc72 | 4694 | p = xdr_inline_decode(xdr, 32); /* read 32 bytes */ |
c0eae66e BH |
4695 | if (unlikely(!p)) |
4696 | goto out_overflow; | |
babddc72 | 4697 | p = xdr_decode_hyper(p, &offset); /* read 2 8-byte long words */ |
3ceb4dbb | 4698 | p = xdr_decode_hyper(p, &length); |
babddc72 BS |
4699 | type = be32_to_cpup(p++); /* 4 byte read */ |
4700 | if (fl != NULL) { /* manipulate file lock */ | |
911d1aaf TM |
4701 | fl->fl_start = (loff_t)offset; |
4702 | fl->fl_end = fl->fl_start + (loff_t)length - 1; | |
4703 | if (length == ~(uint64_t)0) | |
4704 | fl->fl_end = OFFSET_MAX; | |
4705 | fl->fl_type = F_WRLCK; | |
4706 | if (type & 1) | |
4707 | fl->fl_type = F_RDLCK; | |
4708 | fl->fl_pid = 0; | |
4709 | } | |
babddc72 BS |
4710 | p = xdr_decode_hyper(p, &clientid); /* read 8 bytes */ |
4711 | namelen = be32_to_cpup(p); /* read 4 bytes */ /* have read all 32 bytes now */ | |
4712 | p = xdr_inline_decode(xdr, namelen); /* variable size field */ | |
c0eae66e BH |
4713 | if (likely(p)) |
4714 | return -NFS4ERR_DENIED; | |
4715 | out_overflow: | |
4716 | print_overflow_msg(__func__, xdr); | |
4717 | return -EIO; | |
1da177e4 LT |
4718 | } |
4719 | ||
911d1aaf | 4720 | static int decode_lock(struct xdr_stream *xdr, struct nfs_lock_res *res) |
1da177e4 | 4721 | { |
1da177e4 LT |
4722 | int status; |
4723 | ||
4724 | status = decode_op_hdr(xdr, OP_LOCK); | |
c1d51931 TM |
4725 | if (status == -EIO) |
4726 | goto out; | |
1da177e4 | 4727 | if (status == 0) { |
07d30434 BH |
4728 | status = decode_stateid(xdr, &res->stateid); |
4729 | if (unlikely(status)) | |
4730 | goto out; | |
1da177e4 | 4731 | } else if (status == -NFS4ERR_DENIED) |
c1d51931 TM |
4732 | status = decode_lock_denied(xdr, NULL); |
4733 | if (res->open_seqid != NULL) | |
4734 | nfs_increment_open_seqid(status, res->open_seqid); | |
4735 | nfs_increment_lock_seqid(status, res->lock_seqid); | |
4736 | out: | |
1da177e4 LT |
4737 | return status; |
4738 | } | |
4739 | ||
911d1aaf | 4740 | static int decode_lockt(struct xdr_stream *xdr, struct nfs_lockt_res *res) |
1da177e4 LT |
4741 | { |
4742 | int status; | |
4743 | status = decode_op_hdr(xdr, OP_LOCKT); | |
4744 | if (status == -NFS4ERR_DENIED) | |
911d1aaf | 4745 | return decode_lock_denied(xdr, res->denied); |
1da177e4 LT |
4746 | return status; |
4747 | } | |
4748 | ||
911d1aaf | 4749 | static int decode_locku(struct xdr_stream *xdr, struct nfs_locku_res *res) |
1da177e4 | 4750 | { |
1da177e4 LT |
4751 | int status; |
4752 | ||
4753 | status = decode_op_hdr(xdr, OP_LOCKU); | |
c1d51931 TM |
4754 | if (status != -EIO) |
4755 | nfs_increment_lock_seqid(status, res->seqid); | |
07d30434 BH |
4756 | if (status == 0) |
4757 | status = decode_stateid(xdr, &res->stateid); | |
1da177e4 LT |
4758 | return status; |
4759 | } | |
4760 | ||
d3c7b7cc TM |
4761 | static int decode_release_lockowner(struct xdr_stream *xdr) |
4762 | { | |
4763 | return decode_op_hdr(xdr, OP_RELEASE_LOCKOWNER); | |
4764 | } | |
4765 | ||
1da177e4 LT |
4766 | static int decode_lookup(struct xdr_stream *xdr) |
4767 | { | |
4768 | return decode_op_hdr(xdr, OP_LOOKUP); | |
4769 | } | |
4770 | ||
4771 | /* This is too sick! */ | |
4772 | static int decode_space_limit(struct xdr_stream *xdr, u64 *maxsize) | |
4773 | { | |
05d564fe | 4774 | __be32 *p; |
1da177e4 LT |
4775 | uint32_t limit_type, nblocks, blocksize; |
4776 | ||
c0eae66e BH |
4777 | p = xdr_inline_decode(xdr, 12); |
4778 | if (unlikely(!p)) | |
4779 | goto out_overflow; | |
6f723f77 | 4780 | limit_type = be32_to_cpup(p++); |
1da177e4 | 4781 | switch (limit_type) { |
05d564fe | 4782 | case 1: |
cccddf4f | 4783 | xdr_decode_hyper(p, maxsize); |
05d564fe AA |
4784 | break; |
4785 | case 2: | |
6f723f77 | 4786 | nblocks = be32_to_cpup(p++); |
cccddf4f | 4787 | blocksize = be32_to_cpup(p); |
05d564fe | 4788 | *maxsize = (uint64_t)nblocks * (uint64_t)blocksize; |
1da177e4 LT |
4789 | } |
4790 | return 0; | |
c0eae66e BH |
4791 | out_overflow: |
4792 | print_overflow_msg(__func__, xdr); | |
4793 | return -EIO; | |
1da177e4 LT |
4794 | } |
4795 | ||
4796 | static int decode_delegation(struct xdr_stream *xdr, struct nfs_openres *res) | |
4797 | { | |
05d564fe AA |
4798 | __be32 *p; |
4799 | uint32_t delegation_type; | |
07d30434 | 4800 | int status; |
1da177e4 | 4801 | |
c0eae66e BH |
4802 | p = xdr_inline_decode(xdr, 4); |
4803 | if (unlikely(!p)) | |
4804 | goto out_overflow; | |
cccddf4f | 4805 | delegation_type = be32_to_cpup(p); |
1da177e4 LT |
4806 | if (delegation_type == NFS4_OPEN_DELEGATE_NONE) { |
4807 | res->delegation_type = 0; | |
4808 | return 0; | |
4809 | } | |
07d30434 BH |
4810 | status = decode_stateid(xdr, &res->delegation); |
4811 | if (unlikely(status)) | |
4812 | return status; | |
c0eae66e BH |
4813 | p = xdr_inline_decode(xdr, 4); |
4814 | if (unlikely(!p)) | |
4815 | goto out_overflow; | |
cccddf4f | 4816 | res->do_recall = be32_to_cpup(p); |
05d564fe | 4817 | |
1da177e4 | 4818 | switch (delegation_type) { |
05d564fe AA |
4819 | case NFS4_OPEN_DELEGATE_READ: |
4820 | res->delegation_type = FMODE_READ; | |
4821 | break; | |
4822 | case NFS4_OPEN_DELEGATE_WRITE: | |
4823 | res->delegation_type = FMODE_WRITE|FMODE_READ; | |
4824 | if (decode_space_limit(xdr, &res->maxsize) < 0) | |
1da177e4 LT |
4825 | return -EIO; |
4826 | } | |
7539bbab | 4827 | return decode_ace(xdr, NULL, res->server->nfs_client); |
c0eae66e BH |
4828 | out_overflow: |
4829 | print_overflow_msg(__func__, xdr); | |
4830 | return -EIO; | |
1da177e4 LT |
4831 | } |
4832 | ||
4833 | static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res) | |
4834 | { | |
05d564fe | 4835 | __be32 *p; |
aa53ed54 | 4836 | uint32_t savewords, bmlen, i; |
05d564fe | 4837 | int status; |
1da177e4 | 4838 | |
05d564fe | 4839 | status = decode_op_hdr(xdr, OP_OPEN); |
c1d51931 TM |
4840 | if (status != -EIO) |
4841 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4842 | if (!status) |
4843 | status = decode_stateid(xdr, &res->stateid); | |
4844 | if (unlikely(status)) | |
05d564fe | 4845 | return status; |
1da177e4 | 4846 | |
05d564fe | 4847 | decode_change_info(xdr, &res->cinfo); |
1da177e4 | 4848 | |
c0eae66e BH |
4849 | p = xdr_inline_decode(xdr, 8); |
4850 | if (unlikely(!p)) | |
4851 | goto out_overflow; | |
6f723f77 | 4852 | res->rflags = be32_to_cpup(p++); |
cccddf4f | 4853 | bmlen = be32_to_cpup(p); |
05d564fe AA |
4854 | if (bmlen > 10) |
4855 | goto xdr_error; | |
1da177e4 | 4856 | |
c0eae66e BH |
4857 | p = xdr_inline_decode(xdr, bmlen << 2); |
4858 | if (unlikely(!p)) | |
4859 | goto out_overflow; | |
aa53ed54 JL |
4860 | savewords = min_t(uint32_t, bmlen, NFS4_BITMAP_SIZE); |
4861 | for (i = 0; i < savewords; ++i) | |
6f723f77 | 4862 | res->attrset[i] = be32_to_cpup(p++); |
aa53ed54 JL |
4863 | for (; i < NFS4_BITMAP_SIZE; i++) |
4864 | res->attrset[i] = 0; | |
4865 | ||
1da177e4 LT |
4866 | return decode_delegation(xdr, res); |
4867 | xdr_error: | |
3110ff80 | 4868 | dprintk("%s: Bitmap too large! Length = %u\n", __func__, bmlen); |
1da177e4 | 4869 | return -EIO; |
c0eae66e BH |
4870 | out_overflow: |
4871 | print_overflow_msg(__func__, xdr); | |
4872 | return -EIO; | |
1da177e4 LT |
4873 | } |
4874 | ||
4875 | static int decode_open_confirm(struct xdr_stream *xdr, struct nfs_open_confirmres *res) | |
4876 | { | |
1da177e4 LT |
4877 | int status; |
4878 | ||
05d564fe | 4879 | status = decode_op_hdr(xdr, OP_OPEN_CONFIRM); |
c1d51931 TM |
4880 | if (status != -EIO) |
4881 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4882 | if (!status) |
4883 | status = decode_stateid(xdr, &res->stateid); | |
4884 | return status; | |
1da177e4 LT |
4885 | } |
4886 | ||
4887 | static int decode_open_downgrade(struct xdr_stream *xdr, struct nfs_closeres *res) | |
4888 | { | |
1da177e4 LT |
4889 | int status; |
4890 | ||
4891 | status = decode_op_hdr(xdr, OP_OPEN_DOWNGRADE); | |
c1d51931 TM |
4892 | if (status != -EIO) |
4893 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4894 | if (!status) |
4895 | status = decode_stateid(xdr, &res->stateid); | |
4896 | return status; | |
1da177e4 LT |
4897 | } |
4898 | ||
4899 | static int decode_putfh(struct xdr_stream *xdr) | |
4900 | { | |
4901 | return decode_op_hdr(xdr, OP_PUTFH); | |
4902 | } | |
4903 | ||
4904 | static int decode_putrootfh(struct xdr_stream *xdr) | |
4905 | { | |
4906 | return decode_op_hdr(xdr, OP_PUTROOTFH); | |
4907 | } | |
4908 | ||
4909 | static int decode_read(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs_readres *res) | |
4910 | { | |
8687b63a | 4911 | __be32 *p; |
64bd577e | 4912 | uint32_t count, eof, recvd; |
1da177e4 LT |
4913 | int status; |
4914 | ||
4915 | status = decode_op_hdr(xdr, OP_READ); | |
4916 | if (status) | |
4917 | return status; | |
c0eae66e BH |
4918 | p = xdr_inline_decode(xdr, 8); |
4919 | if (unlikely(!p)) | |
4920 | goto out_overflow; | |
6f723f77 | 4921 | eof = be32_to_cpup(p++); |
cccddf4f | 4922 | count = be32_to_cpup(p); |
64bd577e | 4923 | recvd = xdr_read_pages(xdr, count); |
1da177e4 | 4924 | if (count > recvd) { |
fe82a183 | 4925 | dprintk("NFS: server cheating in read reply: " |
1da177e4 LT |
4926 | "count %u > recvd %u\n", count, recvd); |
4927 | count = recvd; | |
4928 | eof = 0; | |
4929 | } | |
1da177e4 LT |
4930 | res->eof = eof; |
4931 | res->count = count; | |
4932 | return 0; | |
c0eae66e BH |
4933 | out_overflow: |
4934 | print_overflow_msg(__func__, xdr); | |
4935 | return -EIO; | |
1da177e4 LT |
4936 | } |
4937 | ||
4938 | static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs4_readdir_res *readdir) | |
4939 | { | |
bcecff77 | 4940 | int status; |
cd93710e | 4941 | __be32 verf[2]; |
1da177e4 LT |
4942 | |
4943 | status = decode_op_hdr(xdr, OP_READDIR); | |
db942bbd BH |
4944 | if (!status) |
4945 | status = decode_verifier(xdr, readdir->verifier.data); | |
4946 | if (unlikely(status)) | |
1da177e4 | 4947 | return status; |
cd93710e | 4948 | memcpy(verf, readdir->verifier.data, sizeof(verf)); |
44109241 | 4949 | dprintk("%s: verifier = %08x:%08x\n", |
cd93710e | 4950 | __func__, verf[0], verf[1]); |
64bd577e | 4951 | return xdr_read_pages(xdr, xdr->buf->page_len); |
1da177e4 LT |
4952 | } |
4953 | ||
4954 | static int decode_readlink(struct xdr_stream *xdr, struct rpc_rqst *req) | |
4955 | { | |
4956 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; | |
bcecff77 | 4957 | u32 len, recvd; |
8687b63a | 4958 | __be32 *p; |
1da177e4 LT |
4959 | int status; |
4960 | ||
4961 | status = decode_op_hdr(xdr, OP_READLINK); | |
4962 | if (status) | |
4963 | return status; | |
4964 | ||
4965 | /* Convert length of symlink */ | |
c0eae66e BH |
4966 | p = xdr_inline_decode(xdr, 4); |
4967 | if (unlikely(!p)) | |
4968 | goto out_overflow; | |
cccddf4f | 4969 | len = be32_to_cpup(p); |
1da177e4 | 4970 | if (len >= rcvbuf->page_len || len <= 0) { |
fe82a183 | 4971 | dprintk("nfs: server returned giant symlink!\n"); |
1da177e4 LT |
4972 | return -ENAMETOOLONG; |
4973 | } | |
64bd577e | 4974 | recvd = xdr_read_pages(xdr, len); |
1da177e4 | 4975 | if (recvd < len) { |
fe82a183 | 4976 | dprintk("NFS: server cheating in readlink reply: " |
1da177e4 LT |
4977 | "count %u > recvd %u\n", len, recvd); |
4978 | return -EIO; | |
4979 | } | |
1da177e4 LT |
4980 | /* |
4981 | * The XDR encode routine has set things up so that | |
4982 | * the link text will be copied directly into the | |
4983 | * buffer. We just have to do overflow-checking, | |
4984 | * and and null-terminate the text (the VFS expects | |
4985 | * null-termination). | |
4986 | */ | |
b4687da7 | 4987 | xdr_terminate_string(rcvbuf, len); |
1da177e4 | 4988 | return 0; |
c0eae66e BH |
4989 | out_overflow: |
4990 | print_overflow_msg(__func__, xdr); | |
4991 | return -EIO; | |
1da177e4 LT |
4992 | } |
4993 | ||
4994 | static int decode_remove(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4995 | { | |
4996 | int status; | |
4997 | ||
4998 | status = decode_op_hdr(xdr, OP_REMOVE); | |
4999 | if (status) | |
5000 | goto out; | |
5001 | status = decode_change_info(xdr, cinfo); | |
5002 | out: | |
5003 | return status; | |
5004 | } | |
5005 | ||
5006 | static int decode_rename(struct xdr_stream *xdr, struct nfs4_change_info *old_cinfo, | |
5007 | struct nfs4_change_info *new_cinfo) | |
5008 | { | |
5009 | int status; | |
5010 | ||
5011 | status = decode_op_hdr(xdr, OP_RENAME); | |
5012 | if (status) | |
5013 | goto out; | |
5014 | if ((status = decode_change_info(xdr, old_cinfo))) | |
5015 | goto out; | |
5016 | status = decode_change_info(xdr, new_cinfo); | |
5017 | out: | |
5018 | return status; | |
5019 | } | |
5020 | ||
5021 | static int decode_renew(struct xdr_stream *xdr) | |
5022 | { | |
5023 | return decode_op_hdr(xdr, OP_RENEW); | |
5024 | } | |
5025 | ||
56ae19f3 TM |
5026 | static int |
5027 | decode_restorefh(struct xdr_stream *xdr) | |
5028 | { | |
5029 | return decode_op_hdr(xdr, OP_RESTOREFH); | |
5030 | } | |
5031 | ||
029d105e | 5032 | static int decode_getacl(struct xdr_stream *xdr, struct rpc_rqst *req, |
bf118a34 | 5033 | struct nfs_getaclres *res) |
029d105e | 5034 | { |
256e48bb | 5035 | unsigned int savep; |
029d105e | 5036 | uint32_t attrlen, |
dae100c2 | 5037 | bitmap[3] = {0}; |
029d105e | 5038 | int status; |
cff298c7 | 5039 | unsigned int pg_offset; |
029d105e | 5040 | |
bf118a34 | 5041 | res->acl_len = 0; |
029d105e BF |
5042 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
5043 | goto out; | |
5a006899 | 5044 | |
519d3959 TM |
5045 | xdr_enter_page(xdr, xdr->buf->page_len); |
5046 | ||
cff298c7 TM |
5047 | /* Calculate the offset of the page data */ |
5048 | pg_offset = xdr->buf->head[0].iov_len; | |
5a006899 | 5049 | |
029d105e BF |
5050 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) |
5051 | goto out; | |
5052 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
5053 | goto out; | |
5054 | ||
5055 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACL - 1U))) | |
5056 | return -EIO; | |
5057 | if (likely(bitmap[0] & FATTR4_WORD0_ACL)) { | |
029d105e | 5058 | |
bf118a34 AA |
5059 | /* The bitmap (xdr len + bitmaps) and the attr xdr len words |
5060 | * are stored with the acl data to handle the problem of | |
5061 | * variable length bitmaps.*/ | |
cff298c7 | 5062 | res->acl_data_offset = xdr_stream_pos(xdr) - pg_offset; |
519d3959 | 5063 | res->acl_len = attrlen; |
1f1ea6c2 TM |
5064 | |
5065 | /* Check for receive buffer overflow */ | |
5066 | if (res->acl_len > (xdr->nwords << 2) || | |
5067 | res->acl_len + res->acl_data_offset > xdr->buf->page_len) { | |
5068 | res->acl_flags |= NFS4_ACL_TRUNC; | |
519d3959 | 5069 | dprintk("NFS: acl reply: attrlen %u > page_len %u\n", |
cff298c7 | 5070 | attrlen, xdr->nwords << 2); |
029d105e | 5071 | } |
8c233cf9 BF |
5072 | } else |
5073 | status = -EOPNOTSUPP; | |
029d105e BF |
5074 | |
5075 | out: | |
5076 | return status; | |
5077 | } | |
5078 | ||
1da177e4 LT |
5079 | static int |
5080 | decode_savefh(struct xdr_stream *xdr) | |
5081 | { | |
5082 | return decode_op_hdr(xdr, OP_SAVEFH); | |
5083 | } | |
5084 | ||
9e9ecc03 | 5085 | static int decode_setattr(struct xdr_stream *xdr) |
1da177e4 | 5086 | { |
8687b63a | 5087 | __be32 *p; |
1da177e4 LT |
5088 | uint32_t bmlen; |
5089 | int status; | |
5090 | ||
1da177e4 LT |
5091 | status = decode_op_hdr(xdr, OP_SETATTR); |
5092 | if (status) | |
5093 | return status; | |
c0eae66e BH |
5094 | p = xdr_inline_decode(xdr, 4); |
5095 | if (unlikely(!p)) | |
5096 | goto out_overflow; | |
cccddf4f | 5097 | bmlen = be32_to_cpup(p); |
c0eae66e BH |
5098 | p = xdr_inline_decode(xdr, bmlen << 2); |
5099 | if (likely(p)) | |
5100 | return 0; | |
5101 | out_overflow: | |
5102 | print_overflow_msg(__func__, xdr); | |
5103 | return -EIO; | |
1da177e4 LT |
5104 | } |
5105 | ||
bb8b27e5 | 5106 | static int decode_setclientid(struct xdr_stream *xdr, struct nfs4_setclientid_res *res) |
1da177e4 | 5107 | { |
8687b63a | 5108 | __be32 *p; |
1da177e4 LT |
5109 | uint32_t opnum; |
5110 | int32_t nfserr; | |
5111 | ||
c0eae66e BH |
5112 | p = xdr_inline_decode(xdr, 8); |
5113 | if (unlikely(!p)) | |
5114 | goto out_overflow; | |
6f723f77 | 5115 | opnum = be32_to_cpup(p++); |
1da177e4 | 5116 | if (opnum != OP_SETCLIENTID) { |
fe82a183 | 5117 | dprintk("nfs: decode_setclientid: Server returned operation" |
6c0195a4 | 5118 | " %d\n", opnum); |
1da177e4 LT |
5119 | return -EIO; |
5120 | } | |
cccddf4f | 5121 | nfserr = be32_to_cpup(p); |
1da177e4 | 5122 | if (nfserr == NFS_OK) { |
c0eae66e BH |
5123 | p = xdr_inline_decode(xdr, 8 + NFS4_VERIFIER_SIZE); |
5124 | if (unlikely(!p)) | |
5125 | goto out_overflow; | |
bb8b27e5 TM |
5126 | p = xdr_decode_hyper(p, &res->clientid); |
5127 | memcpy(res->confirm.data, p, NFS4_VERIFIER_SIZE); | |
1da177e4 LT |
5128 | } else if (nfserr == NFSERR_CLID_INUSE) { |
5129 | uint32_t len; | |
5130 | ||
5131 | /* skip netid string */ | |
c0eae66e BH |
5132 | p = xdr_inline_decode(xdr, 4); |
5133 | if (unlikely(!p)) | |
5134 | goto out_overflow; | |
cccddf4f | 5135 | len = be32_to_cpup(p); |
c0eae66e BH |
5136 | p = xdr_inline_decode(xdr, len); |
5137 | if (unlikely(!p)) | |
5138 | goto out_overflow; | |
1da177e4 LT |
5139 | |
5140 | /* skip uaddr string */ | |
c0eae66e BH |
5141 | p = xdr_inline_decode(xdr, 4); |
5142 | if (unlikely(!p)) | |
5143 | goto out_overflow; | |
cccddf4f | 5144 | len = be32_to_cpup(p); |
c0eae66e BH |
5145 | p = xdr_inline_decode(xdr, len); |
5146 | if (unlikely(!p)) | |
5147 | goto out_overflow; | |
1da177e4 LT |
5148 | return -NFSERR_CLID_INUSE; |
5149 | } else | |
856dff3d | 5150 | return nfs4_stat_to_errno(nfserr); |
1da177e4 LT |
5151 | |
5152 | return 0; | |
c0eae66e BH |
5153 | out_overflow: |
5154 | print_overflow_msg(__func__, xdr); | |
5155 | return -EIO; | |
1da177e4 LT |
5156 | } |
5157 | ||
5158 | static int decode_setclientid_confirm(struct xdr_stream *xdr) | |
5159 | { | |
5160 | return decode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM); | |
5161 | } | |
5162 | ||
5163 | static int decode_write(struct xdr_stream *xdr, struct nfs_writeres *res) | |
5164 | { | |
8687b63a | 5165 | __be32 *p; |
1da177e4 LT |
5166 | int status; |
5167 | ||
5168 | status = decode_op_hdr(xdr, OP_WRITE); | |
5169 | if (status) | |
5170 | return status; | |
5171 | ||
2f2c63bc | 5172 | p = xdr_inline_decode(xdr, 8); |
c0eae66e BH |
5173 | if (unlikely(!p)) |
5174 | goto out_overflow; | |
6f723f77 BH |
5175 | res->count = be32_to_cpup(p++); |
5176 | res->verf->committed = be32_to_cpup(p++); | |
2f2c63bc | 5177 | return decode_write_verifier(xdr, &res->verf->verifier); |
c0eae66e BH |
5178 | out_overflow: |
5179 | print_overflow_msg(__func__, xdr); | |
5180 | return -EIO; | |
1da177e4 LT |
5181 | } |
5182 | ||
5183 | static int decode_delegreturn(struct xdr_stream *xdr) | |
5184 | { | |
5185 | return decode_op_hdr(xdr, OP_DELEGRETURN); | |
5186 | } | |
5187 | ||
5a5ea0d4 BS |
5188 | static int decode_secinfo_gss(struct xdr_stream *xdr, struct nfs4_secinfo_flavor *flavor) |
5189 | { | |
5190 | __be32 *p; | |
5191 | ||
5192 | p = xdr_inline_decode(xdr, 4); | |
5193 | if (unlikely(!p)) | |
5194 | goto out_overflow; | |
5195 | flavor->gss.sec_oid4.len = be32_to_cpup(p); | |
5196 | if (flavor->gss.sec_oid4.len > GSS_OID_MAX_LEN) | |
5197 | goto out_err; | |
5198 | ||
5199 | p = xdr_inline_decode(xdr, flavor->gss.sec_oid4.len); | |
5200 | if (unlikely(!p)) | |
5201 | goto out_overflow; | |
5202 | memcpy(flavor->gss.sec_oid4.data, p, flavor->gss.sec_oid4.len); | |
5203 | ||
5204 | p = xdr_inline_decode(xdr, 8); | |
5205 | if (unlikely(!p)) | |
5206 | goto out_overflow; | |
5207 | flavor->gss.qop4 = be32_to_cpup(p++); | |
5208 | flavor->gss.service = be32_to_cpup(p); | |
5209 | ||
5210 | return 0; | |
5211 | ||
5212 | out_overflow: | |
5213 | print_overflow_msg(__func__, xdr); | |
5214 | return -EIO; | |
5215 | out_err: | |
5216 | return -EINVAL; | |
5217 | } | |
5218 | ||
31e4dda4 | 5219 | static int decode_secinfo_common(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
5a5ea0d4 BS |
5220 | { |
5221 | struct nfs4_secinfo_flavor *sec_flavor; | |
5222 | int status; | |
5223 | __be32 *p; | |
c3dfc280 | 5224 | int i, num_flavors; |
5a5ea0d4 | 5225 | |
5a5ea0d4 BS |
5226 | p = xdr_inline_decode(xdr, 4); |
5227 | if (unlikely(!p)) | |
5228 | goto out_overflow; | |
5a5ea0d4 | 5229 | |
c3dfc280 BS |
5230 | res->flavors->num_flavors = 0; |
5231 | num_flavors = be32_to_cpup(p); | |
5232 | ||
5233 | for (i = 0; i < num_flavors; i++) { | |
5a5ea0d4 | 5234 | sec_flavor = &res->flavors->flavors[i]; |
c3dfc280 | 5235 | if ((char *)&sec_flavor[1] - (char *)res->flavors > PAGE_SIZE) |
5a5ea0d4 BS |
5236 | break; |
5237 | ||
5238 | p = xdr_inline_decode(xdr, 4); | |
5239 | if (unlikely(!p)) | |
5240 | goto out_overflow; | |
5241 | sec_flavor->flavor = be32_to_cpup(p); | |
5242 | ||
5243 | if (sec_flavor->flavor == RPC_AUTH_GSS) { | |
613e901e BS |
5244 | status = decode_secinfo_gss(xdr, sec_flavor); |
5245 | if (status) | |
5246 | goto out; | |
5a5ea0d4 | 5247 | } |
c3dfc280 | 5248 | res->flavors->num_flavors++; |
5a5ea0d4 BS |
5249 | } |
5250 | ||
31e4dda4 | 5251 | status = 0; |
613e901e BS |
5252 | out: |
5253 | return status; | |
5a5ea0d4 BS |
5254 | out_overflow: |
5255 | print_overflow_msg(__func__, xdr); | |
5256 | return -EIO; | |
5257 | } | |
5258 | ||
31e4dda4 BS |
5259 | static int decode_secinfo(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
5260 | { | |
5261 | int status = decode_op_hdr(xdr, OP_SECINFO); | |
5262 | if (status) | |
5263 | return status; | |
5264 | return decode_secinfo_common(xdr, res); | |
5265 | } | |
5266 | ||
99fe60d0 | 5267 | #if defined(CONFIG_NFS_V4_1) |
31e4dda4 BS |
5268 | static int decode_secinfo_no_name(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
5269 | { | |
5270 | int status = decode_op_hdr(xdr, OP_SECINFO_NO_NAME); | |
5271 | if (status) | |
5272 | return status; | |
5273 | return decode_secinfo_common(xdr, res); | |
5274 | } | |
5275 | ||
99fe60d0 BH |
5276 | static int decode_exchange_id(struct xdr_stream *xdr, |
5277 | struct nfs41_exchange_id_res *res) | |
5278 | { | |
5279 | __be32 *p; | |
5280 | uint32_t dummy; | |
2460ba57 | 5281 | char *dummy_str; |
99fe60d0 | 5282 | int status; |
7d2ed9ac | 5283 | uint32_t impl_id_count; |
99fe60d0 BH |
5284 | |
5285 | status = decode_op_hdr(xdr, OP_EXCHANGE_ID); | |
5286 | if (status) | |
5287 | return status; | |
5288 | ||
c0eae66e BH |
5289 | p = xdr_inline_decode(xdr, 8); |
5290 | if (unlikely(!p)) | |
5291 | goto out_overflow; | |
32b01310 | 5292 | xdr_decode_hyper(p, &res->clientid); |
c0eae66e BH |
5293 | p = xdr_inline_decode(xdr, 12); |
5294 | if (unlikely(!p)) | |
5295 | goto out_overflow; | |
32b01310 TM |
5296 | res->seqid = be32_to_cpup(p++); |
5297 | res->flags = be32_to_cpup(p++); | |
99fe60d0 BH |
5298 | |
5299 | /* We ask for SP4_NONE */ | |
cccddf4f | 5300 | dummy = be32_to_cpup(p); |
99fe60d0 BH |
5301 | if (dummy != SP4_NONE) |
5302 | return -EIO; | |
5303 | ||
acdeb69d | 5304 | /* server_owner4.so_minor_id */ |
c0eae66e BH |
5305 | p = xdr_inline_decode(xdr, 8); |
5306 | if (unlikely(!p)) | |
5307 | goto out_overflow; | |
acdeb69d | 5308 | p = xdr_decode_hyper(p, &res->server_owner->minor_id); |
99fe60d0 | 5309 | |
acdeb69d | 5310 | /* server_owner4.so_major_id */ |
2460ba57 BH |
5311 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
5312 | if (unlikely(status)) | |
5313 | return status; | |
acdeb69d CL |
5314 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) |
5315 | return -EIO; | |
5316 | memcpy(res->server_owner->major_id, dummy_str, dummy); | |
5317 | res->server_owner->major_id_sz = dummy; | |
99fe60d0 | 5318 | |
acdeb69d | 5319 | /* server_scope4 */ |
2460ba57 BH |
5320 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
5321 | if (unlikely(status)) | |
5322 | return status; | |
78fe0f41 WAA |
5323 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) |
5324 | return -EIO; | |
78fe0f41 WAA |
5325 | memcpy(res->server_scope->server_scope, dummy_str, dummy); |
5326 | res->server_scope->server_scope_sz = dummy; | |
5327 | ||
7d2ed9ac WAA |
5328 | /* Implementation Id */ |
5329 | p = xdr_inline_decode(xdr, 4); | |
5330 | if (unlikely(!p)) | |
5331 | goto out_overflow; | |
5332 | impl_id_count = be32_to_cpup(p++); | |
99fe60d0 | 5333 | |
7d2ed9ac WAA |
5334 | if (impl_id_count) { |
5335 | /* nii_domain */ | |
5336 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); | |
5337 | if (unlikely(status)) | |
5338 | return status; | |
5339 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) | |
5340 | return -EIO; | |
5341 | memcpy(res->impl_id->domain, dummy_str, dummy); | |
5342 | ||
5343 | /* nii_name */ | |
5344 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); | |
5345 | if (unlikely(status)) | |
5346 | return status; | |
5347 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) | |
5348 | return -EIO; | |
5349 | memcpy(res->impl_id->name, dummy_str, dummy); | |
5350 | ||
5351 | /* nii_date */ | |
5352 | p = xdr_inline_decode(xdr, 12); | |
5353 | if (unlikely(!p)) | |
5354 | goto out_overflow; | |
5355 | p = xdr_decode_hyper(p, &res->impl_id->date.seconds); | |
5356 | res->impl_id->date.nseconds = be32_to_cpup(p); | |
5357 | ||
5358 | /* if there's more than one entry, ignore the rest */ | |
5359 | } | |
99fe60d0 | 5360 | return 0; |
c0eae66e BH |
5361 | out_overflow: |
5362 | print_overflow_msg(__func__, xdr); | |
5363 | return -EIO; | |
99fe60d0 | 5364 | } |
fc931582 AA |
5365 | |
5366 | static int decode_chan_attrs(struct xdr_stream *xdr, | |
5367 | struct nfs4_channel_attrs *attrs) | |
5368 | { | |
5369 | __be32 *p; | |
c9c30dd5 | 5370 | u32 nr_attrs, val; |
fc931582 | 5371 | |
c0eae66e BH |
5372 | p = xdr_inline_decode(xdr, 28); |
5373 | if (unlikely(!p)) | |
5374 | goto out_overflow; | |
c9c30dd5 BH |
5375 | val = be32_to_cpup(p++); /* headerpadsz */ |
5376 | if (val) | |
5377 | return -EINVAL; /* no support for header padding yet */ | |
6f723f77 BH |
5378 | attrs->max_rqst_sz = be32_to_cpup(p++); |
5379 | attrs->max_resp_sz = be32_to_cpup(p++); | |
5380 | attrs->max_resp_sz_cached = be32_to_cpup(p++); | |
5381 | attrs->max_ops = be32_to_cpup(p++); | |
5382 | attrs->max_reqs = be32_to_cpup(p++); | |
cccddf4f | 5383 | nr_attrs = be32_to_cpup(p); |
fc931582 | 5384 | if (unlikely(nr_attrs > 1)) { |
a030889a WAA |
5385 | printk(KERN_WARNING "NFS: %s: Invalid rdma channel attrs " |
5386 | "count %u\n", __func__, nr_attrs); | |
fc931582 AA |
5387 | return -EINVAL; |
5388 | } | |
c0eae66e BH |
5389 | if (nr_attrs == 1) { |
5390 | p = xdr_inline_decode(xdr, 4); /* skip rdma_attrs */ | |
5391 | if (unlikely(!p)) | |
5392 | goto out_overflow; | |
5393 | } | |
fc931582 | 5394 | return 0; |
c0eae66e BH |
5395 | out_overflow: |
5396 | print_overflow_msg(__func__, xdr); | |
5397 | return -EIO; | |
fc931582 AA |
5398 | } |
5399 | ||
e78291e4 BH |
5400 | static int decode_sessionid(struct xdr_stream *xdr, struct nfs4_sessionid *sid) |
5401 | { | |
5402 | return decode_opaque_fixed(xdr, sid->data, NFS4_MAX_SESSIONID_LEN); | |
fc931582 AA |
5403 | } |
5404 | ||
7c44f1ae WAA |
5405 | static int decode_bind_conn_to_session(struct xdr_stream *xdr, |
5406 | struct nfs41_bind_conn_to_session_res *res) | |
5407 | { | |
5408 | __be32 *p; | |
5409 | int status; | |
5410 | ||
5411 | status = decode_op_hdr(xdr, OP_BIND_CONN_TO_SESSION); | |
5412 | if (!status) | |
5413 | status = decode_sessionid(xdr, &res->session->sess_id); | |
5414 | if (unlikely(status)) | |
5415 | return status; | |
5416 | ||
5417 | /* dir flags, rdma mode bool */ | |
5418 | p = xdr_inline_decode(xdr, 8); | |
5419 | if (unlikely(!p)) | |
5420 | goto out_overflow; | |
5421 | ||
5422 | res->dir = be32_to_cpup(p++); | |
5423 | if (res->dir == 0 || res->dir > NFS4_CDFS4_BOTH) | |
5424 | return -EIO; | |
5425 | if (be32_to_cpup(p) == 0) | |
5426 | res->use_conn_in_rdma_mode = false; | |
5427 | else | |
5428 | res->use_conn_in_rdma_mode = true; | |
5429 | ||
5430 | return 0; | |
5431 | out_overflow: | |
5432 | print_overflow_msg(__func__, xdr); | |
5433 | return -EIO; | |
5434 | } | |
5435 | ||
fc931582 AA |
5436 | static int decode_create_session(struct xdr_stream *xdr, |
5437 | struct nfs41_create_session_res *res) | |
5438 | { | |
5439 | __be32 *p; | |
5440 | int status; | |
5441 | struct nfs_client *clp = res->client; | |
5442 | struct nfs4_session *session = clp->cl_session; | |
5443 | ||
5444 | status = decode_op_hdr(xdr, OP_CREATE_SESSION); | |
e78291e4 BH |
5445 | if (!status) |
5446 | status = decode_sessionid(xdr, &session->sess_id); | |
5447 | if (unlikely(status)) | |
fc931582 AA |
5448 | return status; |
5449 | ||
fc931582 | 5450 | /* seqid, flags */ |
c0eae66e BH |
5451 | p = xdr_inline_decode(xdr, 8); |
5452 | if (unlikely(!p)) | |
5453 | goto out_overflow; | |
6f723f77 | 5454 | clp->cl_seqid = be32_to_cpup(p++); |
cccddf4f | 5455 | session->flags = be32_to_cpup(p); |
fc931582 AA |
5456 | |
5457 | /* Channel attributes */ | |
5458 | status = decode_chan_attrs(xdr, &session->fc_attrs); | |
5459 | if (!status) | |
5460 | status = decode_chan_attrs(xdr, &session->bc_attrs); | |
5461 | return status; | |
c0eae66e BH |
5462 | out_overflow: |
5463 | print_overflow_msg(__func__, xdr); | |
5464 | return -EIO; | |
fc931582 | 5465 | } |
0f3e66c6 AA |
5466 | |
5467 | static int decode_destroy_session(struct xdr_stream *xdr, void *dummy) | |
5468 | { | |
5469 | return decode_op_hdr(xdr, OP_DESTROY_SESSION); | |
5470 | } | |
18019753 | 5471 | |
66245539 TM |
5472 | static int decode_destroy_clientid(struct xdr_stream *xdr, void *dummy) |
5473 | { | |
5474 | return decode_op_hdr(xdr, OP_DESTROY_CLIENTID); | |
5475 | } | |
5476 | ||
18019753 RL |
5477 | static int decode_reclaim_complete(struct xdr_stream *xdr, void *dummy) |
5478 | { | |
5479 | return decode_op_hdr(xdr, OP_RECLAIM_COMPLETE); | |
5480 | } | |
99fe60d0 BH |
5481 | #endif /* CONFIG_NFS_V4_1 */ |
5482 | ||
9b7b9fcc AA |
5483 | static int decode_sequence(struct xdr_stream *xdr, |
5484 | struct nfs4_sequence_res *res, | |
5485 | struct rpc_rqst *rqstp) | |
5486 | { | |
5487 | #if defined(CONFIG_NFS_V4_1) | |
e3725ec0 | 5488 | struct nfs4_session *session; |
fc01cea9 AA |
5489 | struct nfs4_sessionid id; |
5490 | u32 dummy; | |
5491 | int status; | |
5492 | __be32 *p; | |
5493 | ||
e3725ec0 | 5494 | if (res->sr_slot == NULL) |
9b7b9fcc AA |
5495 | return 0; |
5496 | ||
fc01cea9 | 5497 | status = decode_op_hdr(xdr, OP_SEQUENCE); |
e78291e4 BH |
5498 | if (!status) |
5499 | status = decode_sessionid(xdr, &id); | |
5500 | if (unlikely(status)) | |
fc01cea9 | 5501 | goto out_err; |
9b7b9fcc | 5502 | |
fc01cea9 AA |
5503 | /* |
5504 | * If the server returns different values for sessionID, slotID or | |
5505 | * sequence number, the server is looney tunes. | |
5506 | */ | |
fdcb4577 | 5507 | status = -EREMOTEIO; |
e3725ec0 | 5508 | session = res->sr_slot->table->session; |
fc01cea9 | 5509 | |
e3725ec0 | 5510 | if (memcmp(id.data, session->sess_id.data, |
fc01cea9 AA |
5511 | NFS4_MAX_SESSIONID_LEN)) { |
5512 | dprintk("%s Invalid session id\n", __func__); | |
5513 | goto out_err; | |
5514 | } | |
e78291e4 | 5515 | |
c0eae66e BH |
5516 | p = xdr_inline_decode(xdr, 20); |
5517 | if (unlikely(!p)) | |
5518 | goto out_overflow; | |
e78291e4 | 5519 | |
fc01cea9 | 5520 | /* seqid */ |
6f723f77 | 5521 | dummy = be32_to_cpup(p++); |
dfb4f309 | 5522 | if (dummy != res->sr_slot->seq_nr) { |
fc01cea9 AA |
5523 | dprintk("%s Invalid sequence number\n", __func__); |
5524 | goto out_err; | |
5525 | } | |
5526 | /* slot id */ | |
6f723f77 | 5527 | dummy = be32_to_cpup(p++); |
df2fabff | 5528 | if (dummy != res->sr_slot->slot_nr) { |
fc01cea9 AA |
5529 | dprintk("%s Invalid slot id\n", __func__); |
5530 | goto out_err; | |
5531 | } | |
da0507b7 TM |
5532 | /* highest slot id */ |
5533 | res->sr_highest_slotid = be32_to_cpup(p++); | |
464ee9f9 TM |
5534 | /* target highest slot id */ |
5535 | res->sr_target_highest_slotid = be32_to_cpup(p++); | |
0629e370 AB |
5536 | /* result flags */ |
5537 | res->sr_status_flags = be32_to_cpup(p); | |
fc01cea9 AA |
5538 | status = 0; |
5539 | out_err: | |
5540 | res->sr_status = status; | |
5541 | return status; | |
c0eae66e BH |
5542 | out_overflow: |
5543 | print_overflow_msg(__func__, xdr); | |
5544 | status = -EIO; | |
5545 | goto out_err; | |
fc01cea9 | 5546 | #else /* CONFIG_NFS_V4_1 */ |
9b7b9fcc | 5547 | return 0; |
fc01cea9 | 5548 | #endif /* CONFIG_NFS_V4_1 */ |
9b7b9fcc AA |
5549 | } |
5550 | ||
b1f69b75 | 5551 | #if defined(CONFIG_NFS_V4_1) |
7f11d8d3 AA |
5552 | /* |
5553 | * TODO: Need to handle case when EOF != true; | |
5554 | */ | |
5555 | static int decode_getdevicelist(struct xdr_stream *xdr, | |
5556 | struct pnfs_devicelist *res) | |
5557 | { | |
5558 | __be32 *p; | |
5559 | int status, i; | |
98d94524 | 5560 | nfs4_verifier verftemp; |
7f11d8d3 AA |
5561 | |
5562 | status = decode_op_hdr(xdr, OP_GETDEVICELIST); | |
5563 | if (status) | |
5564 | return status; | |
5565 | ||
5566 | p = xdr_inline_decode(xdr, 8 + 8 + 4); | |
5567 | if (unlikely(!p)) | |
5568 | goto out_overflow; | |
5569 | ||
5570 | /* TODO: Skip cookie for now */ | |
5571 | p += 2; | |
5572 | ||
5573 | /* Read verifier */ | |
98d94524 | 5574 | p = xdr_decode_opaque_fixed(p, verftemp.data, NFS4_VERIFIER_SIZE); |
7f11d8d3 AA |
5575 | |
5576 | res->num_devs = be32_to_cpup(p); | |
5577 | ||
5578 | dprintk("%s: num_dev %d\n", __func__, res->num_devs); | |
5579 | ||
5580 | if (res->num_devs > NFS4_PNFS_GETDEVLIST_MAXNUM) { | |
a030889a | 5581 | printk(KERN_ERR "NFS: %s too many result dev_num %u\n", |
7f11d8d3 AA |
5582 | __func__, res->num_devs); |
5583 | return -EIO; | |
5584 | } | |
5585 | ||
5586 | p = xdr_inline_decode(xdr, | |
5587 | res->num_devs * NFS4_DEVICEID4_SIZE + 4); | |
5588 | if (unlikely(!p)) | |
5589 | goto out_overflow; | |
5590 | for (i = 0; i < res->num_devs; i++) | |
5591 | p = xdr_decode_opaque_fixed(p, res->dev_id[i].data, | |
5592 | NFS4_DEVICEID4_SIZE); | |
5593 | res->eof = be32_to_cpup(p); | |
5594 | return 0; | |
5595 | out_overflow: | |
5596 | print_overflow_msg(__func__, xdr); | |
5597 | return -EIO; | |
5598 | } | |
b1f69b75 AA |
5599 | |
5600 | static int decode_getdeviceinfo(struct xdr_stream *xdr, | |
5601 | struct pnfs_device *pdev) | |
5602 | { | |
5603 | __be32 *p; | |
5604 | uint32_t len, type; | |
5605 | int status; | |
5606 | ||
5607 | status = decode_op_hdr(xdr, OP_GETDEVICEINFO); | |
5608 | if (status) { | |
5609 | if (status == -ETOOSMALL) { | |
5610 | p = xdr_inline_decode(xdr, 4); | |
5611 | if (unlikely(!p)) | |
5612 | goto out_overflow; | |
5613 | pdev->mincount = be32_to_cpup(p); | |
5614 | dprintk("%s: Min count too small. mincnt = %u\n", | |
5615 | __func__, pdev->mincount); | |
5616 | } | |
5617 | return status; | |
5618 | } | |
5619 | ||
5620 | p = xdr_inline_decode(xdr, 8); | |
5621 | if (unlikely(!p)) | |
5622 | goto out_overflow; | |
5623 | type = be32_to_cpup(p++); | |
5624 | if (type != pdev->layout_type) { | |
5625 | dprintk("%s: layout mismatch req: %u pdev: %u\n", | |
5626 | __func__, pdev->layout_type, type); | |
5627 | return -EINVAL; | |
5628 | } | |
5629 | /* | |
5630 | * Get the length of the opaque device_addr4. xdr_read_pages places | |
5631 | * the opaque device_addr4 in the xdr_buf->pages (pnfs_device->pages) | |
5632 | * and places the remaining xdr data in xdr_buf->tail | |
5633 | */ | |
5634 | pdev->mincount = be32_to_cpup(p); | |
13fe4ba1 TM |
5635 | if (xdr_read_pages(xdr, pdev->mincount) != pdev->mincount) |
5636 | goto out_overflow; | |
b1f69b75 AA |
5637 | |
5638 | /* Parse notification bitmap, verifying that it is zero. */ | |
5639 | p = xdr_inline_decode(xdr, 4); | |
5640 | if (unlikely(!p)) | |
5641 | goto out_overflow; | |
5642 | len = be32_to_cpup(p); | |
5643 | if (len) { | |
ead00597 | 5644 | uint32_t i; |
b1f69b75 AA |
5645 | |
5646 | p = xdr_inline_decode(xdr, 4 * len); | |
5647 | if (unlikely(!p)) | |
5648 | goto out_overflow; | |
5649 | for (i = 0; i < len; i++, p++) { | |
5650 | if (be32_to_cpup(p)) { | |
5651 | dprintk("%s: notifications not supported\n", | |
5652 | __func__); | |
5653 | return -EIO; | |
5654 | } | |
5655 | } | |
5656 | } | |
5657 | return 0; | |
5658 | out_overflow: | |
5659 | print_overflow_msg(__func__, xdr); | |
5660 | return -EIO; | |
5661 | } | |
5662 | ||
5663 | static int decode_layoutget(struct xdr_stream *xdr, struct rpc_rqst *req, | |
5664 | struct nfs4_layoutget_res *res) | |
5665 | { | |
5666 | __be32 *p; | |
5667 | int status; | |
5668 | u32 layout_count; | |
64bd577e | 5669 | u32 recvd; |
b1f69b75 AA |
5670 | |
5671 | status = decode_op_hdr(xdr, OP_LAYOUTGET); | |
5672 | if (status) | |
5673 | return status; | |
ea9d23f5 TM |
5674 | p = xdr_inline_decode(xdr, 4); |
5675 | if (unlikely(!p)) | |
5676 | goto out_overflow; | |
5677 | res->return_on_close = be32_to_cpup(p); | |
5678 | decode_stateid(xdr, &res->stateid); | |
5679 | p = xdr_inline_decode(xdr, 4); | |
b1f69b75 AA |
5680 | if (unlikely(!p)) |
5681 | goto out_overflow; | |
b1f69b75 AA |
5682 | layout_count = be32_to_cpup(p); |
5683 | if (!layout_count) { | |
5684 | dprintk("%s: server responded with empty layout array\n", | |
5685 | __func__); | |
5686 | return -EINVAL; | |
5687 | } | |
5688 | ||
35124a09 | 5689 | p = xdr_inline_decode(xdr, 28); |
b1f69b75 AA |
5690 | if (unlikely(!p)) |
5691 | goto out_overflow; | |
5692 | p = xdr_decode_hyper(p, &res->range.offset); | |
5693 | p = xdr_decode_hyper(p, &res->range.length); | |
5694 | res->range.iomode = be32_to_cpup(p++); | |
5695 | res->type = be32_to_cpup(p++); | |
35124a09 | 5696 | res->layoutp->len = be32_to_cpup(p); |
b1f69b75 AA |
5697 | |
5698 | dprintk("%s roff:%lu rlen:%lu riomode:%d, lo_type:0x%x, lo.len:%d\n", | |
5699 | __func__, | |
5700 | (unsigned long)res->range.offset, | |
5701 | (unsigned long)res->range.length, | |
5702 | res->range.iomode, | |
5703 | res->type, | |
35124a09 WAA |
5704 | res->layoutp->len); |
5705 | ||
64bd577e | 5706 | recvd = xdr_read_pages(xdr, res->layoutp->len); |
35124a09 WAA |
5707 | if (res->layoutp->len > recvd) { |
5708 | dprintk("NFS: server cheating in layoutget reply: " | |
5709 | "layout len %u > recvd %u\n", | |
5710 | res->layoutp->len, recvd); | |
5711 | return -EINVAL; | |
5712 | } | |
b1f69b75 | 5713 | |
b1f69b75 AA |
5714 | if (layout_count > 1) { |
5715 | /* We only handle a length one array at the moment. Any | |
5716 | * further entries are just ignored. Note that this means | |
5717 | * the client may see a response that is less than the | |
5718 | * minimum it requested. | |
5719 | */ | |
5720 | dprintk("%s: server responded with %d layouts, dropping tail\n", | |
5721 | __func__, layout_count); | |
5722 | } | |
5723 | ||
5724 | return 0; | |
5725 | out_overflow: | |
5726 | print_overflow_msg(__func__, xdr); | |
5727 | return -EIO; | |
5728 | } | |
863a3c6c | 5729 | |
cbe82603 BH |
5730 | static int decode_layoutreturn(struct xdr_stream *xdr, |
5731 | struct nfs4_layoutreturn_res *res) | |
5732 | { | |
5733 | __be32 *p; | |
5734 | int status; | |
5735 | ||
5736 | status = decode_op_hdr(xdr, OP_LAYOUTRETURN); | |
5737 | if (status) | |
5738 | return status; | |
5739 | p = xdr_inline_decode(xdr, 4); | |
5740 | if (unlikely(!p)) | |
5741 | goto out_overflow; | |
5742 | res->lrs_present = be32_to_cpup(p); | |
5743 | if (res->lrs_present) | |
5744 | status = decode_stateid(xdr, &res->stateid); | |
5745 | return status; | |
5746 | out_overflow: | |
5747 | print_overflow_msg(__func__, xdr); | |
5748 | return -EIO; | |
5749 | } | |
5750 | ||
863a3c6c AA |
5751 | static int decode_layoutcommit(struct xdr_stream *xdr, |
5752 | struct rpc_rqst *req, | |
5753 | struct nfs4_layoutcommit_res *res) | |
5754 | { | |
5755 | __be32 *p; | |
5756 | __u32 sizechanged; | |
5757 | int status; | |
5758 | ||
5759 | status = decode_op_hdr(xdr, OP_LAYOUTCOMMIT); | |
db29c089 | 5760 | res->status = status; |
863a3c6c AA |
5761 | if (status) |
5762 | return status; | |
5763 | ||
5764 | p = xdr_inline_decode(xdr, 4); | |
5765 | if (unlikely(!p)) | |
5766 | goto out_overflow; | |
5767 | sizechanged = be32_to_cpup(p); | |
5768 | ||
5769 | if (sizechanged) { | |
5770 | /* throw away new size */ | |
5771 | p = xdr_inline_decode(xdr, 8); | |
5772 | if (unlikely(!p)) | |
5773 | goto out_overflow; | |
5774 | } | |
5775 | return 0; | |
5776 | out_overflow: | |
5777 | print_overflow_msg(__func__, xdr); | |
5778 | return -EIO; | |
5779 | } | |
7d974794 BS |
5780 | |
5781 | static int decode_test_stateid(struct xdr_stream *xdr, | |
5782 | struct nfs41_test_stateid_res *res) | |
5783 | { | |
5784 | __be32 *p; | |
5785 | int status; | |
5786 | int num_res; | |
5787 | ||
5788 | status = decode_op_hdr(xdr, OP_TEST_STATEID); | |
5789 | if (status) | |
5790 | return status; | |
5791 | ||
5792 | p = xdr_inline_decode(xdr, 4); | |
5793 | if (unlikely(!p)) | |
5794 | goto out_overflow; | |
5795 | num_res = be32_to_cpup(p++); | |
5796 | if (num_res != 1) | |
5797 | goto out; | |
5798 | ||
5799 | p = xdr_inline_decode(xdr, 4); | |
5800 | if (unlikely(!p)) | |
5801 | goto out_overflow; | |
5802 | res->status = be32_to_cpup(p++); | |
1cab0652 BS |
5803 | |
5804 | return status; | |
7d974794 BS |
5805 | out_overflow: |
5806 | print_overflow_msg(__func__, xdr); | |
5807 | out: | |
5808 | return -EIO; | |
5809 | } | |
9aeda35f BS |
5810 | |
5811 | static int decode_free_stateid(struct xdr_stream *xdr, | |
5812 | struct nfs41_free_stateid_res *res) | |
5813 | { | |
5814 | __be32 *p; | |
5815 | int status; | |
5816 | ||
5817 | status = decode_op_hdr(xdr, OP_FREE_STATEID); | |
5818 | if (status) | |
5819 | return status; | |
5820 | ||
5821 | p = xdr_inline_decode(xdr, 4); | |
5822 | if (unlikely(!p)) | |
5823 | goto out_overflow; | |
5824 | res->status = be32_to_cpup(p++); | |
5825 | return res->status; | |
5826 | out_overflow: | |
5827 | print_overflow_msg(__func__, xdr); | |
5828 | return -EIO; | |
5829 | } | |
b1f69b75 AA |
5830 | #endif /* CONFIG_NFS_V4_1 */ |
5831 | ||
49c2559e BH |
5832 | /* |
5833 | * END OF "GENERIC" DECODE ROUTINES. | |
5834 | */ | |
5835 | ||
1da177e4 LT |
5836 | /* |
5837 | * Decode OPEN_DOWNGRADE response | |
5838 | */ | |
bf269551 CL |
5839 | static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst *rqstp, |
5840 | struct xdr_stream *xdr, | |
5841 | struct nfs_closeres *res) | |
1da177e4 | 5842 | { |
05d564fe AA |
5843 | struct compound_hdr hdr; |
5844 | int status; | |
5845 | ||
bf269551 | 5846 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5847 | if (status) |
5848 | goto out; | |
bf269551 | 5849 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
5850 | if (status) |
5851 | goto out; | |
bf269551 | 5852 | status = decode_putfh(xdr); |
05d564fe AA |
5853 | if (status) |
5854 | goto out; | |
bf269551 | 5855 | status = decode_open_downgrade(xdr, res); |
516a6af6 TM |
5856 | if (status != 0) |
5857 | goto out; | |
6926afd1 | 5858 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 | 5859 | out: |
05d564fe | 5860 | return status; |
1da177e4 LT |
5861 | } |
5862 | ||
1da177e4 LT |
5863 | /* |
5864 | * Decode ACCESS response | |
5865 | */ | |
bf269551 CL |
5866 | static int nfs4_xdr_dec_access(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5867 | struct nfs4_accessres *res) | |
1da177e4 | 5868 | { |
1da177e4 LT |
5869 | struct compound_hdr hdr; |
5870 | int status; | |
6c0195a4 | 5871 | |
bf269551 | 5872 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5873 | if (status) |
5874 | goto out; | |
bf269551 | 5875 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5876 | if (status) |
1da177e4 | 5877 | goto out; |
bf269551 | 5878 | status = decode_putfh(xdr); |
76b32999 TM |
5879 | if (status != 0) |
5880 | goto out; | |
6168f62c | 5881 | status = decode_access(xdr, &res->supported, &res->access); |
76b32999 TM |
5882 | if (status != 0) |
5883 | goto out; | |
6926afd1 | 5884 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
5885 | out: |
5886 | return status; | |
5887 | } | |
5888 | ||
5889 | /* | |
5890 | * Decode LOOKUP response | |
5891 | */ | |
bf269551 CL |
5892 | static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5893 | struct nfs4_lookup_res *res) | |
1da177e4 | 5894 | { |
1da177e4 LT |
5895 | struct compound_hdr hdr; |
5896 | int status; | |
6c0195a4 | 5897 | |
bf269551 | 5898 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5899 | if (status) |
5900 | goto out; | |
bf269551 | 5901 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5902 | if (status) |
1da177e4 | 5903 | goto out; |
bf269551 CL |
5904 | status = decode_putfh(xdr); |
5905 | if (status) | |
1da177e4 | 5906 | goto out; |
bf269551 CL |
5907 | status = decode_lookup(xdr); |
5908 | if (status) | |
1da177e4 | 5909 | goto out; |
bf269551 CL |
5910 | status = decode_getfh(xdr, res->fh); |
5911 | if (status) | |
1da177e4 | 5912 | goto out; |
6926afd1 | 5913 | status = decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
5914 | out: |
5915 | return status; | |
5916 | } | |
5917 | ||
5918 | /* | |
5919 | * Decode LOOKUP_ROOT response | |
5920 | */ | |
bf269551 CL |
5921 | static int nfs4_xdr_dec_lookup_root(struct rpc_rqst *rqstp, |
5922 | struct xdr_stream *xdr, | |
5923 | struct nfs4_lookup_res *res) | |
1da177e4 | 5924 | { |
1da177e4 LT |
5925 | struct compound_hdr hdr; |
5926 | int status; | |
6c0195a4 | 5927 | |
bf269551 | 5928 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5929 | if (status) |
5930 | goto out; | |
bf269551 | 5931 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5932 | if (status) |
1da177e4 | 5933 | goto out; |
bf269551 CL |
5934 | status = decode_putrootfh(xdr); |
5935 | if (status) | |
1da177e4 | 5936 | goto out; |
bf269551 CL |
5937 | status = decode_getfh(xdr, res->fh); |
5938 | if (status == 0) | |
6926afd1 | 5939 | status = decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
5940 | out: |
5941 | return status; | |
5942 | } | |
5943 | ||
5944 | /* | |
5945 | * Decode REMOVE response | |
5946 | */ | |
bf269551 CL |
5947 | static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5948 | struct nfs_removeres *res) | |
1da177e4 | 5949 | { |
1da177e4 LT |
5950 | struct compound_hdr hdr; |
5951 | int status; | |
6c0195a4 | 5952 | |
bf269551 | 5953 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5954 | if (status) |
5955 | goto out; | |
bf269551 | 5956 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5957 | if (status) |
1da177e4 | 5958 | goto out; |
bf269551 CL |
5959 | status = decode_putfh(xdr); |
5960 | if (status) | |
16e42959 | 5961 | goto out; |
bf269551 | 5962 | status = decode_remove(xdr, &res->cinfo); |
1da177e4 LT |
5963 | out: |
5964 | return status; | |
5965 | } | |
5966 | ||
5967 | /* | |
5968 | * Decode RENAME response | |
5969 | */ | |
bf269551 CL |
5970 | static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5971 | struct nfs_renameres *res) | |
1da177e4 | 5972 | { |
1da177e4 LT |
5973 | struct compound_hdr hdr; |
5974 | int status; | |
6c0195a4 | 5975 | |
bf269551 | 5976 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5977 | if (status) |
5978 | goto out; | |
bf269551 | 5979 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5980 | if (status) |
1da177e4 | 5981 | goto out; |
bf269551 CL |
5982 | status = decode_putfh(xdr); |
5983 | if (status) | |
1da177e4 | 5984 | goto out; |
bf269551 CL |
5985 | status = decode_savefh(xdr); |
5986 | if (status) | |
1da177e4 | 5987 | goto out; |
bf269551 CL |
5988 | status = decode_putfh(xdr); |
5989 | if (status) | |
1da177e4 | 5990 | goto out; |
bf269551 | 5991 | status = decode_rename(xdr, &res->old_cinfo, &res->new_cinfo); |
1da177e4 LT |
5992 | out: |
5993 | return status; | |
5994 | } | |
5995 | ||
5996 | /* | |
5997 | * Decode LINK response | |
5998 | */ | |
bf269551 CL |
5999 | static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6000 | struct nfs4_link_res *res) | |
1da177e4 | 6001 | { |
1da177e4 LT |
6002 | struct compound_hdr hdr; |
6003 | int status; | |
6c0195a4 | 6004 | |
bf269551 | 6005 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6006 | if (status) |
6007 | goto out; | |
bf269551 | 6008 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6009 | if (status) |
1da177e4 | 6010 | goto out; |
bf269551 CL |
6011 | status = decode_putfh(xdr); |
6012 | if (status) | |
1da177e4 | 6013 | goto out; |
bf269551 CL |
6014 | status = decode_savefh(xdr); |
6015 | if (status) | |
1da177e4 | 6016 | goto out; |
bf269551 CL |
6017 | status = decode_putfh(xdr); |
6018 | if (status) | |
1da177e4 | 6019 | goto out; |
bf269551 CL |
6020 | status = decode_link(xdr, &res->cinfo); |
6021 | if (status) | |
91ba2eee TM |
6022 | goto out; |
6023 | /* | |
6024 | * Note order: OP_LINK leaves the directory as the current | |
6025 | * filehandle. | |
6026 | */ | |
bf269551 CL |
6027 | status = decode_restorefh(xdr); |
6028 | if (status) | |
91ba2eee | 6029 | goto out; |
6926afd1 | 6030 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6031 | out: |
6032 | return status; | |
6033 | } | |
6034 | ||
6035 | /* | |
6036 | * Decode CREATE response | |
6037 | */ | |
bf269551 CL |
6038 | static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6039 | struct nfs4_create_res *res) | |
1da177e4 | 6040 | { |
1da177e4 LT |
6041 | struct compound_hdr hdr; |
6042 | int status; | |
6c0195a4 | 6043 | |
bf269551 | 6044 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6045 | if (status) |
6046 | goto out; | |
bf269551 | 6047 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6048 | if (status) |
1da177e4 | 6049 | goto out; |
bf269551 | 6050 | status = decode_putfh(xdr); |
bf269551 | 6051 | if (status) |
56ae19f3 | 6052 | goto out; |
bf269551 CL |
6053 | status = decode_create(xdr, &res->dir_cinfo); |
6054 | if (status) | |
1da177e4 | 6055 | goto out; |
bf269551 CL |
6056 | status = decode_getfh(xdr, res->fh); |
6057 | if (status) | |
1da177e4 | 6058 | goto out; |
7c317fcf | 6059 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6060 | out: |
6061 | return status; | |
6062 | } | |
6063 | ||
6064 | /* | |
6065 | * Decode SYMLINK response | |
6066 | */ | |
bf269551 CL |
6067 | static int nfs4_xdr_dec_symlink(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6068 | struct nfs4_create_res *res) | |
1da177e4 | 6069 | { |
bf269551 | 6070 | return nfs4_xdr_dec_create(rqstp, xdr, res); |
1da177e4 LT |
6071 | } |
6072 | ||
6073 | /* | |
6074 | * Decode GETATTR response | |
6075 | */ | |
bf269551 CL |
6076 | static int nfs4_xdr_dec_getattr(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6077 | struct nfs4_getattr_res *res) | |
1da177e4 | 6078 | { |
1da177e4 LT |
6079 | struct compound_hdr hdr; |
6080 | int status; | |
6c0195a4 | 6081 | |
bf269551 | 6082 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6083 | if (status) |
6084 | goto out; | |
bf269551 | 6085 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6086 | if (status) |
6087 | goto out; | |
bf269551 | 6088 | status = decode_putfh(xdr); |
1da177e4 LT |
6089 | if (status) |
6090 | goto out; | |
6926afd1 | 6091 | status = decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6092 | out: |
6093 | return status; | |
1da177e4 LT |
6094 | } |
6095 | ||
23ec6965 BF |
6096 | /* |
6097 | * Encode an SETACL request | |
6098 | */ | |
9f06c719 CL |
6099 | static void nfs4_xdr_enc_setacl(struct rpc_rqst *req, struct xdr_stream *xdr, |
6100 | struct nfs_setaclargs *args) | |
23ec6965 | 6101 | { |
05d564fe | 6102 | struct compound_hdr hdr = { |
66cc0429 | 6103 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 6104 | }; |
05d564fe | 6105 | |
9f06c719 CL |
6106 | encode_compound_hdr(xdr, req, &hdr); |
6107 | encode_sequence(xdr, &args->seq_args, &hdr); | |
6108 | encode_putfh(xdr, args->fh, &hdr); | |
6109 | encode_setacl(xdr, args, &hdr); | |
d017931c | 6110 | encode_nops(&hdr); |
23ec6965 | 6111 | } |
05d564fe | 6112 | |
23ec6965 BF |
6113 | /* |
6114 | * Decode SETACL response | |
6115 | */ | |
6116 | static int | |
bf269551 | 6117 | nfs4_xdr_dec_setacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
73c403a9 | 6118 | struct nfs_setaclres *res) |
23ec6965 | 6119 | { |
23ec6965 BF |
6120 | struct compound_hdr hdr; |
6121 | int status; | |
6122 | ||
bf269551 | 6123 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6124 | if (status) |
6125 | goto out; | |
bf269551 | 6126 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
23ec6965 BF |
6127 | if (status) |
6128 | goto out; | |
bf269551 | 6129 | status = decode_putfh(xdr); |
23ec6965 BF |
6130 | if (status) |
6131 | goto out; | |
bf269551 | 6132 | status = decode_setattr(xdr); |
23ec6965 BF |
6133 | out: |
6134 | return status; | |
6135 | } | |
1da177e4 | 6136 | |
029d105e BF |
6137 | /* |
6138 | * Decode GETACL response | |
6139 | */ | |
6140 | static int | |
bf269551 | 6141 | nfs4_xdr_dec_getacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
663c79b3 | 6142 | struct nfs_getaclres *res) |
029d105e | 6143 | { |
029d105e BF |
6144 | struct compound_hdr hdr; |
6145 | int status; | |
6146 | ||
331818f1 TM |
6147 | if (res->acl_scratch != NULL) { |
6148 | void *p = page_address(res->acl_scratch); | |
6149 | xdr_set_scratch_buffer(xdr, p, PAGE_SIZE); | |
6150 | } | |
bf269551 | 6151 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6152 | if (status) |
6153 | goto out; | |
bf269551 | 6154 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
029d105e BF |
6155 | if (status) |
6156 | goto out; | |
bf269551 | 6157 | status = decode_putfh(xdr); |
029d105e BF |
6158 | if (status) |
6159 | goto out; | |
bf118a34 | 6160 | status = decode_getacl(xdr, rqstp, res); |
029d105e BF |
6161 | |
6162 | out: | |
6163 | return status; | |
6164 | } | |
6165 | ||
1da177e4 LT |
6166 | /* |
6167 | * Decode CLOSE response | |
6168 | */ | |
bf269551 CL |
6169 | static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6170 | struct nfs_closeres *res) | |
1da177e4 | 6171 | { |
05d564fe AA |
6172 | struct compound_hdr hdr; |
6173 | int status; | |
6174 | ||
bf269551 | 6175 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6176 | if (status) |
6177 | goto out; | |
bf269551 | 6178 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6179 | if (status) |
6180 | goto out; | |
bf269551 | 6181 | status = decode_putfh(xdr); |
05d564fe AA |
6182 | if (status) |
6183 | goto out; | |
bf269551 | 6184 | status = decode_close(xdr, res); |
516a6af6 TM |
6185 | if (status != 0) |
6186 | goto out; | |
6187 | /* | |
6188 | * Note: Server may do delete on close for this file | |
6189 | * in which case the getattr call will fail with | |
6190 | * an ESTALE error. Shouldn't be a problem, | |
6191 | * though, since fattr->valid will remain unset. | |
6192 | */ | |
6926afd1 | 6193 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 | 6194 | out: |
05d564fe | 6195 | return status; |
1da177e4 LT |
6196 | } |
6197 | ||
6198 | /* | |
6199 | * Decode OPEN response | |
6200 | */ | |
bf269551 CL |
6201 | static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6202 | struct nfs_openres *res) | |
1da177e4 | 6203 | { |
05d564fe AA |
6204 | struct compound_hdr hdr; |
6205 | int status; | |
6206 | ||
bf269551 | 6207 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6208 | if (status) |
6209 | goto out; | |
bf269551 | 6210 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6211 | if (status) |
6212 | goto out; | |
bf269551 | 6213 | status = decode_putfh(xdr); |
05d564fe AA |
6214 | if (status) |
6215 | goto out; | |
bf269551 | 6216 | status = decode_open(xdr, res); |
56ae19f3 TM |
6217 | if (status) |
6218 | goto out; | |
01913b49 WAA |
6219 | status = decode_getfh(xdr, &res->fh); |
6220 | if (status) | |
1da177e4 | 6221 | goto out; |
ae2bb032 WAA |
6222 | if (res->access_request) |
6223 | decode_access(xdr, &res->access_supported, &res->access_result); | |
90ff0c54 | 6224 | decode_getfattr(xdr, res->f_attr, res->server); |
1da177e4 | 6225 | out: |
05d564fe | 6226 | return status; |
1da177e4 LT |
6227 | } |
6228 | ||
6229 | /* | |
6230 | * Decode OPEN_CONFIRM response | |
6231 | */ | |
bf269551 CL |
6232 | static int nfs4_xdr_dec_open_confirm(struct rpc_rqst *rqstp, |
6233 | struct xdr_stream *xdr, | |
6234 | struct nfs_open_confirmres *res) | |
1da177e4 | 6235 | { |
05d564fe AA |
6236 | struct compound_hdr hdr; |
6237 | int status; | |
6238 | ||
bf269551 | 6239 | status = decode_compound_hdr(xdr, &hdr); |
05d564fe AA |
6240 | if (status) |
6241 | goto out; | |
bf269551 | 6242 | status = decode_putfh(xdr); |
05d564fe AA |
6243 | if (status) |
6244 | goto out; | |
bf269551 | 6245 | status = decode_open_confirm(xdr, res); |
1da177e4 | 6246 | out: |
05d564fe | 6247 | return status; |
1da177e4 LT |
6248 | } |
6249 | ||
6250 | /* | |
6251 | * Decode OPEN response | |
6252 | */ | |
bf269551 CL |
6253 | static int nfs4_xdr_dec_open_noattr(struct rpc_rqst *rqstp, |
6254 | struct xdr_stream *xdr, | |
6255 | struct nfs_openres *res) | |
1da177e4 | 6256 | { |
05d564fe AA |
6257 | struct compound_hdr hdr; |
6258 | int status; | |
6259 | ||
bf269551 | 6260 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6261 | if (status) |
6262 | goto out; | |
bf269551 | 6263 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6264 | if (status) |
6265 | goto out; | |
bf269551 | 6266 | status = decode_putfh(xdr); |
05d564fe AA |
6267 | if (status) |
6268 | goto out; | |
bf269551 | 6269 | status = decode_open(xdr, res); |
05d564fe AA |
6270 | if (status) |
6271 | goto out; | |
ae2bb032 WAA |
6272 | if (res->access_request) |
6273 | decode_access(xdr, &res->access_supported, &res->access_result); | |
6926afd1 | 6274 | decode_getfattr(xdr, res->f_attr, res->server); |
1da177e4 | 6275 | out: |
05d564fe | 6276 | return status; |
1da177e4 LT |
6277 | } |
6278 | ||
6279 | /* | |
6280 | * Decode SETATTR response | |
6281 | */ | |
bf269551 CL |
6282 | static int nfs4_xdr_dec_setattr(struct rpc_rqst *rqstp, |
6283 | struct xdr_stream *xdr, | |
6284 | struct nfs_setattrres *res) | |
1da177e4 | 6285 | { |
05d564fe AA |
6286 | struct compound_hdr hdr; |
6287 | int status; | |
6288 | ||
bf269551 | 6289 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6290 | if (status) |
6291 | goto out; | |
bf269551 | 6292 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6293 | if (status) |
6294 | goto out; | |
bf269551 | 6295 | status = decode_putfh(xdr); |
05d564fe AA |
6296 | if (status) |
6297 | goto out; | |
bf269551 | 6298 | status = decode_setattr(xdr); |
05d564fe AA |
6299 | if (status) |
6300 | goto out; | |
6926afd1 | 6301 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 | 6302 | out: |
05d564fe | 6303 | return status; |
1da177e4 LT |
6304 | } |
6305 | ||
6306 | /* | |
6307 | * Decode LOCK response | |
6308 | */ | |
bf269551 CL |
6309 | static int nfs4_xdr_dec_lock(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6310 | struct nfs_lock_res *res) | |
1da177e4 | 6311 | { |
1da177e4 LT |
6312 | struct compound_hdr hdr; |
6313 | int status; | |
6314 | ||
bf269551 | 6315 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6316 | if (status) |
6317 | goto out; | |
bf269551 | 6318 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6319 | if (status) |
6320 | goto out; | |
bf269551 | 6321 | status = decode_putfh(xdr); |
1da177e4 LT |
6322 | if (status) |
6323 | goto out; | |
bf269551 | 6324 | status = decode_lock(xdr, res); |
1da177e4 LT |
6325 | out: |
6326 | return status; | |
6327 | } | |
6328 | ||
6329 | /* | |
6330 | * Decode LOCKT response | |
6331 | */ | |
bf269551 CL |
6332 | static int nfs4_xdr_dec_lockt(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6333 | struct nfs_lockt_res *res) | |
1da177e4 | 6334 | { |
1da177e4 LT |
6335 | struct compound_hdr hdr; |
6336 | int status; | |
6337 | ||
bf269551 | 6338 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6339 | if (status) |
6340 | goto out; | |
bf269551 | 6341 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6342 | if (status) |
6343 | goto out; | |
bf269551 | 6344 | status = decode_putfh(xdr); |
1da177e4 LT |
6345 | if (status) |
6346 | goto out; | |
bf269551 | 6347 | status = decode_lockt(xdr, res); |
1da177e4 LT |
6348 | out: |
6349 | return status; | |
6350 | } | |
6351 | ||
6352 | /* | |
6353 | * Decode LOCKU response | |
6354 | */ | |
bf269551 CL |
6355 | static int nfs4_xdr_dec_locku(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6356 | struct nfs_locku_res *res) | |
1da177e4 | 6357 | { |
1da177e4 LT |
6358 | struct compound_hdr hdr; |
6359 | int status; | |
6360 | ||
bf269551 | 6361 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6362 | if (status) |
6363 | goto out; | |
bf269551 | 6364 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6365 | if (status) |
6366 | goto out; | |
bf269551 | 6367 | status = decode_putfh(xdr); |
1da177e4 LT |
6368 | if (status) |
6369 | goto out; | |
bf269551 | 6370 | status = decode_locku(xdr, res); |
1da177e4 LT |
6371 | out: |
6372 | return status; | |
6373 | } | |
6374 | ||
bf269551 CL |
6375 | static int nfs4_xdr_dec_release_lockowner(struct rpc_rqst *rqstp, |
6376 | struct xdr_stream *xdr, void *dummy) | |
d3c7b7cc | 6377 | { |
d3c7b7cc TM |
6378 | struct compound_hdr hdr; |
6379 | int status; | |
6380 | ||
bf269551 | 6381 | status = decode_compound_hdr(xdr, &hdr); |
d3c7b7cc | 6382 | if (!status) |
bf269551 | 6383 | status = decode_release_lockowner(xdr); |
d3c7b7cc TM |
6384 | return status; |
6385 | } | |
6386 | ||
1da177e4 LT |
6387 | /* |
6388 | * Decode READLINK response | |
6389 | */ | |
bf269551 CL |
6390 | static int nfs4_xdr_dec_readlink(struct rpc_rqst *rqstp, |
6391 | struct xdr_stream *xdr, | |
f50c7000 | 6392 | struct nfs4_readlink_res *res) |
1da177e4 | 6393 | { |
1da177e4 LT |
6394 | struct compound_hdr hdr; |
6395 | int status; | |
6396 | ||
bf269551 | 6397 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6398 | if (status) |
6399 | goto out; | |
bf269551 | 6400 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6401 | if (status) |
6402 | goto out; | |
bf269551 | 6403 | status = decode_putfh(xdr); |
1da177e4 LT |
6404 | if (status) |
6405 | goto out; | |
bf269551 | 6406 | status = decode_readlink(xdr, rqstp); |
1da177e4 LT |
6407 | out: |
6408 | return status; | |
6409 | } | |
6410 | ||
6411 | /* | |
6412 | * Decode READDIR response | |
6413 | */ | |
bf269551 CL |
6414 | static int nfs4_xdr_dec_readdir(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6415 | struct nfs4_readdir_res *res) | |
1da177e4 | 6416 | { |
1da177e4 LT |
6417 | struct compound_hdr hdr; |
6418 | int status; | |
6419 | ||
bf269551 | 6420 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6421 | if (status) |
6422 | goto out; | |
bf269551 | 6423 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6424 | if (status) |
6425 | goto out; | |
bf269551 | 6426 | status = decode_putfh(xdr); |
1da177e4 LT |
6427 | if (status) |
6428 | goto out; | |
bf269551 | 6429 | status = decode_readdir(xdr, rqstp, res); |
1da177e4 LT |
6430 | out: |
6431 | return status; | |
6432 | } | |
6433 | ||
6434 | /* | |
6435 | * Decode Read response | |
6436 | */ | |
bf269551 CL |
6437 | static int nfs4_xdr_dec_read(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6438 | struct nfs_readres *res) | |
1da177e4 | 6439 | { |
1da177e4 LT |
6440 | struct compound_hdr hdr; |
6441 | int status; | |
6442 | ||
bf269551 | 6443 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6444 | if (status) |
6445 | goto out; | |
bf269551 | 6446 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6447 | if (status) |
6448 | goto out; | |
bf269551 | 6449 | status = decode_putfh(xdr); |
1da177e4 LT |
6450 | if (status) |
6451 | goto out; | |
bf269551 | 6452 | status = decode_read(xdr, rqstp, res); |
1da177e4 LT |
6453 | if (!status) |
6454 | status = res->count; | |
6455 | out: | |
6456 | return status; | |
6457 | } | |
6458 | ||
6459 | /* | |
6460 | * Decode WRITE response | |
6461 | */ | |
bf269551 CL |
6462 | static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6463 | struct nfs_writeres *res) | |
1da177e4 | 6464 | { |
1da177e4 LT |
6465 | struct compound_hdr hdr; |
6466 | int status; | |
6467 | ||
bf269551 | 6468 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6469 | if (status) |
6470 | goto out; | |
bf269551 | 6471 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6472 | if (status) |
6473 | goto out; | |
bf269551 | 6474 | status = decode_putfh(xdr); |
1da177e4 LT |
6475 | if (status) |
6476 | goto out; | |
bf269551 | 6477 | status = decode_write(xdr, res); |
4f9838c7 TM |
6478 | if (status) |
6479 | goto out; | |
7ffd1064 | 6480 | if (res->fattr) |
6926afd1 | 6481 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6482 | if (!status) |
6483 | status = res->count; | |
6484 | out: | |
6485 | return status; | |
6486 | } | |
6487 | ||
6488 | /* | |
6489 | * Decode COMMIT response | |
6490 | */ | |
bf269551 | 6491 | static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
0b7c0153 | 6492 | struct nfs_commitres *res) |
1da177e4 | 6493 | { |
1da177e4 LT |
6494 | struct compound_hdr hdr; |
6495 | int status; | |
6496 | ||
bf269551 | 6497 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6498 | if (status) |
6499 | goto out; | |
bf269551 | 6500 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6501 | if (status) |
6502 | goto out; | |
bf269551 | 6503 | status = decode_putfh(xdr); |
1da177e4 LT |
6504 | if (status) |
6505 | goto out; | |
bf269551 | 6506 | status = decode_commit(xdr, res); |
1da177e4 LT |
6507 | out: |
6508 | return status; | |
6509 | } | |
6510 | ||
6511 | /* | |
8b173218 | 6512 | * Decode FSINFO response |
1da177e4 | 6513 | */ |
bf269551 | 6514 | static int nfs4_xdr_dec_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, |
3dda5e43 | 6515 | struct nfs4_fsinfo_res *res) |
1da177e4 | 6516 | { |
1da177e4 LT |
6517 | struct compound_hdr hdr; |
6518 | int status; | |
6519 | ||
bf269551 | 6520 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6521 | if (!status) |
bf269551 | 6522 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6523 | if (!status) |
bf269551 | 6524 | status = decode_putfh(xdr); |
1da177e4 | 6525 | if (!status) |
bf269551 | 6526 | status = decode_fsinfo(xdr, res->fsinfo); |
1da177e4 LT |
6527 | return status; |
6528 | } | |
6529 | ||
6530 | /* | |
8b173218 | 6531 | * Decode PATHCONF response |
1da177e4 | 6532 | */ |
bf269551 | 6533 | static int nfs4_xdr_dec_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, |
d45b2989 | 6534 | struct nfs4_pathconf_res *res) |
1da177e4 | 6535 | { |
1da177e4 LT |
6536 | struct compound_hdr hdr; |
6537 | int status; | |
6538 | ||
bf269551 | 6539 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6540 | if (!status) |
bf269551 | 6541 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6542 | if (!status) |
bf269551 | 6543 | status = decode_putfh(xdr); |
1da177e4 | 6544 | if (!status) |
bf269551 | 6545 | status = decode_pathconf(xdr, res->pathconf); |
1da177e4 LT |
6546 | return status; |
6547 | } | |
6548 | ||
6549 | /* | |
8b173218 | 6550 | * Decode STATFS response |
1da177e4 | 6551 | */ |
bf269551 | 6552 | static int nfs4_xdr_dec_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, |
24ad148a | 6553 | struct nfs4_statfs_res *res) |
1da177e4 | 6554 | { |
1da177e4 LT |
6555 | struct compound_hdr hdr; |
6556 | int status; | |
6557 | ||
bf269551 | 6558 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6559 | if (!status) |
bf269551 | 6560 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6561 | if (!status) |
bf269551 | 6562 | status = decode_putfh(xdr); |
1da177e4 | 6563 | if (!status) |
bf269551 | 6564 | status = decode_statfs(xdr, res->fsstat); |
1da177e4 LT |
6565 | return status; |
6566 | } | |
6567 | ||
6568 | /* | |
8b173218 | 6569 | * Decode GETATTR_BITMAP response |
1da177e4 | 6570 | */ |
bf269551 CL |
6571 | static int nfs4_xdr_dec_server_caps(struct rpc_rqst *req, |
6572 | struct xdr_stream *xdr, | |
6573 | struct nfs4_server_caps_res *res) | |
1da177e4 | 6574 | { |
1da177e4 LT |
6575 | struct compound_hdr hdr; |
6576 | int status; | |
6577 | ||
bf269551 | 6578 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6579 | if (status) |
6580 | goto out; | |
bf269551 | 6581 | status = decode_sequence(xdr, &res->seq_res, req); |
9b7b9fcc | 6582 | if (status) |
1da177e4 | 6583 | goto out; |
bf269551 CL |
6584 | status = decode_putfh(xdr); |
6585 | if (status) | |
1da177e4 | 6586 | goto out; |
bf269551 | 6587 | status = decode_server_caps(xdr, res); |
1da177e4 LT |
6588 | out: |
6589 | return status; | |
6590 | } | |
6591 | ||
6592 | /* | |
6593 | * Decode RENEW response | |
6594 | */ | |
bf269551 CL |
6595 | static int nfs4_xdr_dec_renew(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6596 | void *__unused) | |
1da177e4 | 6597 | { |
1da177e4 LT |
6598 | struct compound_hdr hdr; |
6599 | int status; | |
6600 | ||
bf269551 | 6601 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6602 | if (!status) |
bf269551 | 6603 | status = decode_renew(xdr); |
1da177e4 LT |
6604 | return status; |
6605 | } | |
6606 | ||
6607 | /* | |
8b173218 | 6608 | * Decode SETCLIENTID response |
1da177e4 | 6609 | */ |
bf269551 CL |
6610 | static int nfs4_xdr_dec_setclientid(struct rpc_rqst *req, |
6611 | struct xdr_stream *xdr, | |
6612 | struct nfs4_setclientid_res *res) | |
1da177e4 | 6613 | { |
1da177e4 LT |
6614 | struct compound_hdr hdr; |
6615 | int status; | |
6616 | ||
bf269551 | 6617 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6618 | if (!status) |
bf269551 | 6619 | status = decode_setclientid(xdr, res); |
1da177e4 LT |
6620 | return status; |
6621 | } | |
6622 | ||
6623 | /* | |
8b173218 | 6624 | * Decode SETCLIENTID_CONFIRM response |
1da177e4 | 6625 | */ |
bf269551 CL |
6626 | static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst *req, |
6627 | struct xdr_stream *xdr, | |
6628 | struct nfs_fsinfo *fsinfo) | |
1da177e4 | 6629 | { |
1da177e4 LT |
6630 | struct compound_hdr hdr; |
6631 | int status; | |
6632 | ||
bf269551 | 6633 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6634 | if (!status) |
bf269551 | 6635 | status = decode_setclientid_confirm(xdr); |
1da177e4 | 6636 | if (!status) |
bf269551 | 6637 | status = decode_putrootfh(xdr); |
1da177e4 | 6638 | if (!status) |
bf269551 | 6639 | status = decode_fsinfo(xdr, fsinfo); |
1da177e4 LT |
6640 | return status; |
6641 | } | |
6642 | ||
6643 | /* | |
8b173218 | 6644 | * Decode DELEGRETURN response |
1da177e4 | 6645 | */ |
bf269551 CL |
6646 | static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, |
6647 | struct xdr_stream *xdr, | |
6648 | struct nfs4_delegreturnres *res) | |
1da177e4 | 6649 | { |
1da177e4 LT |
6650 | struct compound_hdr hdr; |
6651 | int status; | |
6652 | ||
bf269551 | 6653 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6654 | if (status) |
6655 | goto out; | |
bf269551 | 6656 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6657 | if (status) |
fa178f29 | 6658 | goto out; |
bf269551 | 6659 | status = decode_putfh(xdr); |
fa178f29 TM |
6660 | if (status != 0) |
6661 | goto out; | |
e144cbcc | 6662 | status = decode_getfattr(xdr, res->fattr, res->server); |
556ae3bb JL |
6663 | if (status != 0) |
6664 | goto out; | |
e144cbcc | 6665 | status = decode_delegreturn(xdr); |
fa178f29 | 6666 | out: |
1da177e4 LT |
6667 | return status; |
6668 | } | |
6669 | ||
683b57b4 | 6670 | /* |
8b173218 | 6671 | * Decode FS_LOCATIONS response |
683b57b4 | 6672 | */ |
bf269551 CL |
6673 | static int nfs4_xdr_dec_fs_locations(struct rpc_rqst *req, |
6674 | struct xdr_stream *xdr, | |
22958463 | 6675 | struct nfs4_fs_locations_res *res) |
683b57b4 | 6676 | { |
683b57b4 TM |
6677 | struct compound_hdr hdr; |
6678 | int status; | |
6679 | ||
bf269551 | 6680 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6681 | if (status) |
6682 | goto out; | |
bf269551 | 6683 | status = decode_sequence(xdr, &res->seq_res, req); |
9b7b9fcc | 6684 | if (status) |
683b57b4 | 6685 | goto out; |
bf269551 CL |
6686 | status = decode_putfh(xdr); |
6687 | if (status) | |
683b57b4 | 6688 | goto out; |
bf269551 CL |
6689 | status = decode_lookup(xdr); |
6690 | if (status) | |
683b57b4 | 6691 | goto out; |
bf269551 | 6692 | xdr_enter_page(xdr, PAGE_SIZE); |
8b7e3f49 TM |
6693 | status = decode_getfattr_generic(xdr, &res->fs_locations->fattr, |
6694 | NULL, res->fs_locations, | |
6695 | res->fs_locations->server); | |
683b57b4 TM |
6696 | out: |
6697 | return status; | |
6698 | } | |
6699 | ||
5a5ea0d4 BS |
6700 | /* |
6701 | * Decode SECINFO response | |
6702 | */ | |
6703 | static int nfs4_xdr_dec_secinfo(struct rpc_rqst *rqstp, | |
6704 | struct xdr_stream *xdr, | |
6705 | struct nfs4_secinfo_res *res) | |
6706 | { | |
6707 | struct compound_hdr hdr; | |
6708 | int status; | |
6709 | ||
6710 | status = decode_compound_hdr(xdr, &hdr); | |
6711 | if (status) | |
6712 | goto out; | |
6713 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6714 | if (status) | |
6715 | goto out; | |
6716 | status = decode_putfh(xdr); | |
6717 | if (status) | |
6718 | goto out; | |
6719 | status = decode_secinfo(xdr, res); | |
5a5ea0d4 BS |
6720 | out: |
6721 | return status; | |
6722 | } | |
6723 | ||
99fe60d0 | 6724 | #if defined(CONFIG_NFS_V4_1) |
7c44f1ae WAA |
6725 | /* |
6726 | * Decode BIND_CONN_TO_SESSION response | |
6727 | */ | |
6728 | static int nfs4_xdr_dec_bind_conn_to_session(struct rpc_rqst *rqstp, | |
6729 | struct xdr_stream *xdr, | |
6730 | void *res) | |
6731 | { | |
6732 | struct compound_hdr hdr; | |
6733 | int status; | |
6734 | ||
6735 | status = decode_compound_hdr(xdr, &hdr); | |
6736 | if (!status) | |
6737 | status = decode_bind_conn_to_session(xdr, res); | |
6738 | return status; | |
6739 | } | |
6740 | ||
99fe60d0 | 6741 | /* |
8b173218 | 6742 | * Decode EXCHANGE_ID response |
99fe60d0 | 6743 | */ |
bf269551 CL |
6744 | static int nfs4_xdr_dec_exchange_id(struct rpc_rqst *rqstp, |
6745 | struct xdr_stream *xdr, | |
99fe60d0 BH |
6746 | void *res) |
6747 | { | |
99fe60d0 BH |
6748 | struct compound_hdr hdr; |
6749 | int status; | |
6750 | ||
bf269551 | 6751 | status = decode_compound_hdr(xdr, &hdr); |
99fe60d0 | 6752 | if (!status) |
bf269551 | 6753 | status = decode_exchange_id(xdr, res); |
99fe60d0 BH |
6754 | return status; |
6755 | } | |
2050f0cc | 6756 | |
fc931582 | 6757 | /* |
8b173218 | 6758 | * Decode CREATE_SESSION response |
fc931582 | 6759 | */ |
bf269551 CL |
6760 | static int nfs4_xdr_dec_create_session(struct rpc_rqst *rqstp, |
6761 | struct xdr_stream *xdr, | |
fc931582 AA |
6762 | struct nfs41_create_session_res *res) |
6763 | { | |
fc931582 AA |
6764 | struct compound_hdr hdr; |
6765 | int status; | |
6766 | ||
bf269551 | 6767 | status = decode_compound_hdr(xdr, &hdr); |
fc931582 | 6768 | if (!status) |
bf269551 | 6769 | status = decode_create_session(xdr, res); |
fc931582 AA |
6770 | return status; |
6771 | } | |
6772 | ||
0f3e66c6 | 6773 | /* |
8b173218 | 6774 | * Decode DESTROY_SESSION response |
0f3e66c6 | 6775 | */ |
bf269551 CL |
6776 | static int nfs4_xdr_dec_destroy_session(struct rpc_rqst *rqstp, |
6777 | struct xdr_stream *xdr, | |
6778 | void *res) | |
0f3e66c6 | 6779 | { |
0f3e66c6 AA |
6780 | struct compound_hdr hdr; |
6781 | int status; | |
6782 | ||
bf269551 | 6783 | status = decode_compound_hdr(xdr, &hdr); |
0f3e66c6 | 6784 | if (!status) |
bf269551 | 6785 | status = decode_destroy_session(xdr, res); |
0f3e66c6 AA |
6786 | return status; |
6787 | } | |
6788 | ||
66245539 TM |
6789 | /* |
6790 | * Decode DESTROY_CLIENTID response | |
6791 | */ | |
6792 | static int nfs4_xdr_dec_destroy_clientid(struct rpc_rqst *rqstp, | |
6793 | struct xdr_stream *xdr, | |
6794 | void *res) | |
6795 | { | |
6796 | struct compound_hdr hdr; | |
6797 | int status; | |
6798 | ||
6799 | status = decode_compound_hdr(xdr, &hdr); | |
6800 | if (!status) | |
6801 | status = decode_destroy_clientid(xdr, res); | |
6802 | return status; | |
6803 | } | |
6804 | ||
fc01cea9 | 6805 | /* |
8b173218 | 6806 | * Decode SEQUENCE response |
fc01cea9 | 6807 | */ |
bf269551 CL |
6808 | static int nfs4_xdr_dec_sequence(struct rpc_rqst *rqstp, |
6809 | struct xdr_stream *xdr, | |
fc01cea9 AA |
6810 | struct nfs4_sequence_res *res) |
6811 | { | |
fc01cea9 AA |
6812 | struct compound_hdr hdr; |
6813 | int status; | |
6814 | ||
bf269551 | 6815 | status = decode_compound_hdr(xdr, &hdr); |
fc01cea9 | 6816 | if (!status) |
bf269551 | 6817 | status = decode_sequence(xdr, res, rqstp); |
fc01cea9 AA |
6818 | return status; |
6819 | } | |
6820 | ||
2050f0cc | 6821 | /* |
8b173218 | 6822 | * Decode GET_LEASE_TIME response |
2050f0cc | 6823 | */ |
bf269551 CL |
6824 | static int nfs4_xdr_dec_get_lease_time(struct rpc_rqst *rqstp, |
6825 | struct xdr_stream *xdr, | |
2050f0cc AA |
6826 | struct nfs4_get_lease_time_res *res) |
6827 | { | |
2050f0cc AA |
6828 | struct compound_hdr hdr; |
6829 | int status; | |
6830 | ||
bf269551 | 6831 | status = decode_compound_hdr(xdr, &hdr); |
2050f0cc | 6832 | if (!status) |
bf269551 | 6833 | status = decode_sequence(xdr, &res->lr_seq_res, rqstp); |
2050f0cc | 6834 | if (!status) |
bf269551 | 6835 | status = decode_putrootfh(xdr); |
2050f0cc | 6836 | if (!status) |
bf269551 | 6837 | status = decode_fsinfo(xdr, res->lr_fsinfo); |
2050f0cc AA |
6838 | return status; |
6839 | } | |
18019753 RL |
6840 | |
6841 | /* | |
6842 | * Decode RECLAIM_COMPLETE response | |
6843 | */ | |
bf269551 CL |
6844 | static int nfs4_xdr_dec_reclaim_complete(struct rpc_rqst *rqstp, |
6845 | struct xdr_stream *xdr, | |
18019753 RL |
6846 | struct nfs41_reclaim_complete_res *res) |
6847 | { | |
18019753 RL |
6848 | struct compound_hdr hdr; |
6849 | int status; | |
6850 | ||
bf269551 | 6851 | status = decode_compound_hdr(xdr, &hdr); |
18019753 | 6852 | if (!status) |
bf269551 | 6853 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
18019753 | 6854 | if (!status) |
bf269551 | 6855 | status = decode_reclaim_complete(xdr, (void *)NULL); |
18019753 RL |
6856 | return status; |
6857 | } | |
b1f69b75 | 6858 | |
7f11d8d3 AA |
6859 | /* |
6860 | * Decode GETDEVICELIST response | |
6861 | */ | |
6862 | static int nfs4_xdr_dec_getdevicelist(struct rpc_rqst *rqstp, | |
6863 | struct xdr_stream *xdr, | |
6864 | struct nfs4_getdevicelist_res *res) | |
6865 | { | |
6866 | struct compound_hdr hdr; | |
6867 | int status; | |
6868 | ||
6869 | dprintk("encoding getdevicelist!\n"); | |
6870 | ||
6871 | status = decode_compound_hdr(xdr, &hdr); | |
6872 | if (status != 0) | |
6873 | goto out; | |
6874 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6875 | if (status != 0) | |
6876 | goto out; | |
6877 | status = decode_putfh(xdr); | |
6878 | if (status != 0) | |
6879 | goto out; | |
6880 | status = decode_getdevicelist(xdr, res->devlist); | |
6881 | out: | |
6882 | return status; | |
6883 | } | |
6884 | ||
b1f69b75 AA |
6885 | /* |
6886 | * Decode GETDEVINFO response | |
6887 | */ | |
bf269551 CL |
6888 | static int nfs4_xdr_dec_getdeviceinfo(struct rpc_rqst *rqstp, |
6889 | struct xdr_stream *xdr, | |
b1f69b75 AA |
6890 | struct nfs4_getdeviceinfo_res *res) |
6891 | { | |
b1f69b75 AA |
6892 | struct compound_hdr hdr; |
6893 | int status; | |
6894 | ||
bf269551 | 6895 | status = decode_compound_hdr(xdr, &hdr); |
b1f69b75 AA |
6896 | if (status != 0) |
6897 | goto out; | |
bf269551 | 6898 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
b1f69b75 AA |
6899 | if (status != 0) |
6900 | goto out; | |
bf269551 | 6901 | status = decode_getdeviceinfo(xdr, res->pdev); |
b1f69b75 AA |
6902 | out: |
6903 | return status; | |
6904 | } | |
6905 | ||
6906 | /* | |
6907 | * Decode LAYOUTGET response | |
6908 | */ | |
bf269551 CL |
6909 | static int nfs4_xdr_dec_layoutget(struct rpc_rqst *rqstp, |
6910 | struct xdr_stream *xdr, | |
b1f69b75 AA |
6911 | struct nfs4_layoutget_res *res) |
6912 | { | |
b1f69b75 AA |
6913 | struct compound_hdr hdr; |
6914 | int status; | |
6915 | ||
bf269551 | 6916 | status = decode_compound_hdr(xdr, &hdr); |
b1f69b75 AA |
6917 | if (status) |
6918 | goto out; | |
bf269551 | 6919 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
b1f69b75 AA |
6920 | if (status) |
6921 | goto out; | |
bf269551 | 6922 | status = decode_putfh(xdr); |
b1f69b75 AA |
6923 | if (status) |
6924 | goto out; | |
bf269551 | 6925 | status = decode_layoutget(xdr, rqstp, res); |
b1f69b75 AA |
6926 | out: |
6927 | return status; | |
6928 | } | |
863a3c6c | 6929 | |
cbe82603 BH |
6930 | /* |
6931 | * Decode LAYOUTRETURN response | |
6932 | */ | |
6933 | static int nfs4_xdr_dec_layoutreturn(struct rpc_rqst *rqstp, | |
6934 | struct xdr_stream *xdr, | |
6935 | struct nfs4_layoutreturn_res *res) | |
6936 | { | |
6937 | struct compound_hdr hdr; | |
6938 | int status; | |
6939 | ||
6940 | status = decode_compound_hdr(xdr, &hdr); | |
6941 | if (status) | |
6942 | goto out; | |
6943 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6944 | if (status) | |
6945 | goto out; | |
6946 | status = decode_putfh(xdr); | |
6947 | if (status) | |
6948 | goto out; | |
6949 | status = decode_layoutreturn(xdr, res); | |
6950 | out: | |
6951 | return status; | |
6952 | } | |
6953 | ||
863a3c6c AA |
6954 | /* |
6955 | * Decode LAYOUTCOMMIT response | |
6956 | */ | |
6957 | static int nfs4_xdr_dec_layoutcommit(struct rpc_rqst *rqstp, | |
6958 | struct xdr_stream *xdr, | |
6959 | struct nfs4_layoutcommit_res *res) | |
6960 | { | |
6961 | struct compound_hdr hdr; | |
6962 | int status; | |
6963 | ||
6964 | status = decode_compound_hdr(xdr, &hdr); | |
6965 | if (status) | |
6966 | goto out; | |
6967 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6968 | if (status) | |
6969 | goto out; | |
6970 | status = decode_putfh(xdr); | |
6971 | if (status) | |
6972 | goto out; | |
6973 | status = decode_layoutcommit(xdr, rqstp, res); | |
6974 | if (status) | |
6975 | goto out; | |
6926afd1 | 6976 | decode_getfattr(xdr, res->fattr, res->server); |
863a3c6c AA |
6977 | out: |
6978 | return status; | |
6979 | } | |
fca78d6d BS |
6980 | |
6981 | /* | |
6982 | * Decode SECINFO_NO_NAME response | |
6983 | */ | |
6984 | static int nfs4_xdr_dec_secinfo_no_name(struct rpc_rqst *rqstp, | |
6985 | struct xdr_stream *xdr, | |
6986 | struct nfs4_secinfo_res *res) | |
6987 | { | |
6988 | struct compound_hdr hdr; | |
6989 | int status; | |
6990 | ||
6991 | status = decode_compound_hdr(xdr, &hdr); | |
6992 | if (status) | |
6993 | goto out; | |
6994 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6995 | if (status) | |
6996 | goto out; | |
6997 | status = decode_putrootfh(xdr); | |
6998 | if (status) | |
6999 | goto out; | |
31e4dda4 | 7000 | status = decode_secinfo_no_name(xdr, res); |
fca78d6d BS |
7001 | out: |
7002 | return status; | |
7003 | } | |
7d974794 BS |
7004 | |
7005 | /* | |
7006 | * Decode TEST_STATEID response | |
7007 | */ | |
7008 | static int nfs4_xdr_dec_test_stateid(struct rpc_rqst *rqstp, | |
7009 | struct xdr_stream *xdr, | |
7010 | struct nfs41_test_stateid_res *res) | |
7011 | { | |
7012 | struct compound_hdr hdr; | |
7013 | int status; | |
7014 | ||
7015 | status = decode_compound_hdr(xdr, &hdr); | |
7016 | if (status) | |
7017 | goto out; | |
7018 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7019 | if (status) | |
7020 | goto out; | |
7021 | status = decode_test_stateid(xdr, res); | |
7022 | out: | |
7023 | return status; | |
7024 | } | |
9aeda35f BS |
7025 | |
7026 | /* | |
7027 | * Decode FREE_STATEID response | |
7028 | */ | |
7029 | static int nfs4_xdr_dec_free_stateid(struct rpc_rqst *rqstp, | |
7030 | struct xdr_stream *xdr, | |
7031 | struct nfs41_free_stateid_res *res) | |
7032 | { | |
7033 | struct compound_hdr hdr; | |
7034 | int status; | |
7035 | ||
7036 | status = decode_compound_hdr(xdr, &hdr); | |
7037 | if (status) | |
7038 | goto out; | |
7039 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7040 | if (status) | |
7041 | goto out; | |
7042 | status = decode_free_stateid(xdr, res); | |
7043 | out: | |
7044 | return status; | |
7045 | } | |
99fe60d0 BH |
7046 | #endif /* CONFIG_NFS_V4_1 */ |
7047 | ||
573c4e1e CL |
7048 | /** |
7049 | * nfs4_decode_dirent - Decode a single NFSv4 directory entry stored in | |
7050 | * the local page cache. | |
7051 | * @xdr: XDR stream where entry resides | |
7052 | * @entry: buffer to fill in with entry data | |
7053 | * @plus: boolean indicating whether this should be a readdirplus entry | |
7054 | * | |
7055 | * Returns zero if successful, otherwise a negative errno value is | |
7056 | * returned. | |
7057 | * | |
7058 | * This function is not invoked during READDIR reply decoding, but | |
7059 | * rather whenever an application invokes the getdents(2) system call | |
7060 | * on a directory already in our cache. | |
7061 | */ | |
7062 | int nfs4_decode_dirent(struct xdr_stream *xdr, struct nfs_entry *entry, | |
7063 | int plus) | |
1da177e4 | 7064 | { |
256e48bb | 7065 | unsigned int savep; |
dae100c2 | 7066 | uint32_t bitmap[3] = {0}; |
1da177e4 | 7067 | uint32_t len; |
babddc72 BS |
7068 | __be32 *p = xdr_inline_decode(xdr, 4); |
7069 | if (unlikely(!p)) | |
7070 | goto out_overflow; | |
c08e76d0 | 7071 | if (*p == xdr_zero) { |
babddc72 BS |
7072 | p = xdr_inline_decode(xdr, 4); |
7073 | if (unlikely(!p)) | |
7074 | goto out_overflow; | |
c08e76d0 | 7075 | if (*p == xdr_zero) |
573c4e1e | 7076 | return -EAGAIN; |
1da177e4 | 7077 | entry->eof = 1; |
573c4e1e | 7078 | return -EBADCOOKIE; |
1da177e4 LT |
7079 | } |
7080 | ||
babddc72 BS |
7081 | p = xdr_inline_decode(xdr, 12); |
7082 | if (unlikely(!p)) | |
7083 | goto out_overflow; | |
1da177e4 LT |
7084 | entry->prev_cookie = entry->cookie; |
7085 | p = xdr_decode_hyper(p, &entry->cookie); | |
c08e76d0 | 7086 | entry->len = be32_to_cpup(p); |
babddc72 | 7087 | |
9af8c222 | 7088 | p = xdr_inline_decode(xdr, entry->len); |
babddc72 BS |
7089 | if (unlikely(!p)) |
7090 | goto out_overflow; | |
1da177e4 | 7091 | entry->name = (const char *) p; |
1da177e4 LT |
7092 | |
7093 | /* | |
7094 | * In case the server doesn't return an inode number, | |
7095 | * we fake one here. (We don't use inode number 0, | |
7096 | * since glibc seems to choke on it...) | |
7097 | */ | |
7098 | entry->ino = 1; | |
4f082222 | 7099 | entry->fattr->valid = 0; |
1da177e4 | 7100 | |
9af8c222 TM |
7101 | if (decode_attr_bitmap(xdr, bitmap) < 0) |
7102 | goto out_overflow; | |
7103 | ||
256e48bb | 7104 | if (decode_attr_length(xdr, &len, &savep) < 0) |
9af8c222 TM |
7105 | goto out_overflow; |
7106 | ||
573c4e1e | 7107 | if (decode_getfattr_attrs(xdr, bitmap, entry->fattr, entry->fh, |
8b7e3f49 | 7108 | NULL, entry->server) < 0) |
9af8c222 | 7109 | goto out_overflow; |
28331a46 TM |
7110 | if (entry->fattr->valid & NFS_ATTR_FATTR_MOUNTED_ON_FILEID) |
7111 | entry->ino = entry->fattr->mounted_on_fileid; | |
7112 | else if (entry->fattr->valid & NFS_ATTR_FATTR_FILEID) | |
9af8c222 TM |
7113 | entry->ino = entry->fattr->fileid; |
7114 | ||
0b26a0bf TM |
7115 | entry->d_type = DT_UNKNOWN; |
7116 | if (entry->fattr->valid & NFS_ATTR_FATTR_TYPE) | |
7117 | entry->d_type = nfs_umode_to_dtype(entry->fattr->mode); | |
7118 | ||
573c4e1e | 7119 | return 0; |
babddc72 BS |
7120 | |
7121 | out_overflow: | |
7122 | print_overflow_msg(__func__, xdr); | |
573c4e1e | 7123 | return -EAGAIN; |
1da177e4 LT |
7124 | } |
7125 | ||
7126 | /* | |
7127 | * We need to translate between nfs status return values and | |
7128 | * the local errno values which may not be the same. | |
7129 | */ | |
7130 | static struct { | |
7131 | int stat; | |
7132 | int errno; | |
7133 | } nfs_errtbl[] = { | |
7134 | { NFS4_OK, 0 }, | |
856dff3d BH |
7135 | { NFS4ERR_PERM, -EPERM }, |
7136 | { NFS4ERR_NOENT, -ENOENT }, | |
7137 | { NFS4ERR_IO, -errno_NFSERR_IO}, | |
7138 | { NFS4ERR_NXIO, -ENXIO }, | |
7139 | { NFS4ERR_ACCESS, -EACCES }, | |
7140 | { NFS4ERR_EXIST, -EEXIST }, | |
7141 | { NFS4ERR_XDEV, -EXDEV }, | |
7142 | { NFS4ERR_NOTDIR, -ENOTDIR }, | |
7143 | { NFS4ERR_ISDIR, -EISDIR }, | |
7144 | { NFS4ERR_INVAL, -EINVAL }, | |
7145 | { NFS4ERR_FBIG, -EFBIG }, | |
7146 | { NFS4ERR_NOSPC, -ENOSPC }, | |
7147 | { NFS4ERR_ROFS, -EROFS }, | |
7148 | { NFS4ERR_MLINK, -EMLINK }, | |
7149 | { NFS4ERR_NAMETOOLONG, -ENAMETOOLONG }, | |
7150 | { NFS4ERR_NOTEMPTY, -ENOTEMPTY }, | |
7151 | { NFS4ERR_DQUOT, -EDQUOT }, | |
7152 | { NFS4ERR_STALE, -ESTALE }, | |
7153 | { NFS4ERR_BADHANDLE, -EBADHANDLE }, | |
856dff3d BH |
7154 | { NFS4ERR_BAD_COOKIE, -EBADCOOKIE }, |
7155 | { NFS4ERR_NOTSUPP, -ENOTSUPP }, | |
7156 | { NFS4ERR_TOOSMALL, -ETOOSMALL }, | |
fdcb4577 | 7157 | { NFS4ERR_SERVERFAULT, -EREMOTEIO }, |
856dff3d BH |
7158 | { NFS4ERR_BADTYPE, -EBADTYPE }, |
7159 | { NFS4ERR_LOCKED, -EAGAIN }, | |
856dff3d BH |
7160 | { NFS4ERR_SYMLINK, -ELOOP }, |
7161 | { NFS4ERR_OP_ILLEGAL, -EOPNOTSUPP }, | |
7162 | { NFS4ERR_DEADLOCK, -EDEADLK }, | |
856dff3d | 7163 | { -1, -EIO } |
1da177e4 LT |
7164 | }; |
7165 | ||
7166 | /* | |
7167 | * Convert an NFS error code to a local one. | |
7168 | * This one is used jointly by NFSv2 and NFSv3. | |
7169 | */ | |
7170 | static int | |
0a8ea437 | 7171 | nfs4_stat_to_errno(int stat) |
1da177e4 LT |
7172 | { |
7173 | int i; | |
7174 | for (i = 0; nfs_errtbl[i].stat != -1; i++) { | |
7175 | if (nfs_errtbl[i].stat == stat) | |
7176 | return nfs_errtbl[i].errno; | |
7177 | } | |
7178 | if (stat <= 10000 || stat > 10100) { | |
7179 | /* The server is looney tunes. */ | |
fdcb4577 | 7180 | return -EREMOTEIO; |
1da177e4 LT |
7181 | } |
7182 | /* If we cannot translate the error, the recovery routines should | |
7183 | * handle it. | |
7184 | * Note: remaining NFSv4 error codes have values > 10000, so should | |
7185 | * not conflict with native Linux error codes. | |
7186 | */ | |
856dff3d | 7187 | return -stat; |
1da177e4 LT |
7188 | } |
7189 | ||
1da177e4 LT |
7190 | #define PROC(proc, argtype, restype) \ |
7191 | [NFSPROC4_CLNT_##proc] = { \ | |
7192 | .p_proc = NFSPROC4_COMPOUND, \ | |
9f06c719 | 7193 | .p_encode = (kxdreproc_t)nfs4_xdr_##argtype, \ |
bf269551 | 7194 | .p_decode = (kxdrdproc_t)nfs4_xdr_##restype, \ |
2bea90d4 CL |
7195 | .p_arglen = NFS4_##argtype##_sz, \ |
7196 | .p_replen = NFS4_##restype##_sz, \ | |
cc0175c1 CL |
7197 | .p_statidx = NFSPROC4_CLNT_##proc, \ |
7198 | .p_name = #proc, \ | |
05d564fe | 7199 | } |
1da177e4 LT |
7200 | |
7201 | struct rpc_procinfo nfs4_procedures[] = { | |
7d93bd71 CL |
7202 | PROC(READ, enc_read, dec_read), |
7203 | PROC(WRITE, enc_write, dec_write), | |
7204 | PROC(COMMIT, enc_commit, dec_commit), | |
7205 | PROC(OPEN, enc_open, dec_open), | |
7206 | PROC(OPEN_CONFIRM, enc_open_confirm, dec_open_confirm), | |
7207 | PROC(OPEN_NOATTR, enc_open_noattr, dec_open_noattr), | |
7208 | PROC(OPEN_DOWNGRADE, enc_open_downgrade, dec_open_downgrade), | |
7209 | PROC(CLOSE, enc_close, dec_close), | |
7210 | PROC(SETATTR, enc_setattr, dec_setattr), | |
7211 | PROC(FSINFO, enc_fsinfo, dec_fsinfo), | |
7212 | PROC(RENEW, enc_renew, dec_renew), | |
7213 | PROC(SETCLIENTID, enc_setclientid, dec_setclientid), | |
7214 | PROC(SETCLIENTID_CONFIRM, enc_setclientid_confirm, dec_setclientid_confirm), | |
7215 | PROC(LOCK, enc_lock, dec_lock), | |
7216 | PROC(LOCKT, enc_lockt, dec_lockt), | |
7217 | PROC(LOCKU, enc_locku, dec_locku), | |
7218 | PROC(ACCESS, enc_access, dec_access), | |
7219 | PROC(GETATTR, enc_getattr, dec_getattr), | |
7220 | PROC(LOOKUP, enc_lookup, dec_lookup), | |
7221 | PROC(LOOKUP_ROOT, enc_lookup_root, dec_lookup_root), | |
7222 | PROC(REMOVE, enc_remove, dec_remove), | |
7223 | PROC(RENAME, enc_rename, dec_rename), | |
7224 | PROC(LINK, enc_link, dec_link), | |
7225 | PROC(SYMLINK, enc_symlink, dec_symlink), | |
7226 | PROC(CREATE, enc_create, dec_create), | |
7227 | PROC(PATHCONF, enc_pathconf, dec_pathconf), | |
7228 | PROC(STATFS, enc_statfs, dec_statfs), | |
7229 | PROC(READLINK, enc_readlink, dec_readlink), | |
7230 | PROC(READDIR, enc_readdir, dec_readdir), | |
7231 | PROC(SERVER_CAPS, enc_server_caps, dec_server_caps), | |
7232 | PROC(DELEGRETURN, enc_delegreturn, dec_delegreturn), | |
7233 | PROC(GETACL, enc_getacl, dec_getacl), | |
7234 | PROC(SETACL, enc_setacl, dec_setacl), | |
7235 | PROC(FS_LOCATIONS, enc_fs_locations, dec_fs_locations), | |
7236 | PROC(RELEASE_LOCKOWNER, enc_release_lockowner, dec_release_lockowner), | |
5a5ea0d4 | 7237 | PROC(SECINFO, enc_secinfo, dec_secinfo), |
99fe60d0 | 7238 | #if defined(CONFIG_NFS_V4_1) |
7d93bd71 CL |
7239 | PROC(EXCHANGE_ID, enc_exchange_id, dec_exchange_id), |
7240 | PROC(CREATE_SESSION, enc_create_session, dec_create_session), | |
7241 | PROC(DESTROY_SESSION, enc_destroy_session, dec_destroy_session), | |
7242 | PROC(SEQUENCE, enc_sequence, dec_sequence), | |
7243 | PROC(GET_LEASE_TIME, enc_get_lease_time, dec_get_lease_time), | |
7244 | PROC(RECLAIM_COMPLETE, enc_reclaim_complete, dec_reclaim_complete), | |
7245 | PROC(GETDEVICEINFO, enc_getdeviceinfo, dec_getdeviceinfo), | |
7246 | PROC(LAYOUTGET, enc_layoutget, dec_layoutget), | |
863a3c6c | 7247 | PROC(LAYOUTCOMMIT, enc_layoutcommit, dec_layoutcommit), |
cbe82603 | 7248 | PROC(LAYOUTRETURN, enc_layoutreturn, dec_layoutreturn), |
fca78d6d | 7249 | PROC(SECINFO_NO_NAME, enc_secinfo_no_name, dec_secinfo_no_name), |
7d974794 | 7250 | PROC(TEST_STATEID, enc_test_stateid, dec_test_stateid), |
9aeda35f | 7251 | PROC(FREE_STATEID, enc_free_stateid, dec_free_stateid), |
7f11d8d3 | 7252 | PROC(GETDEVICELIST, enc_getdevicelist, dec_getdevicelist), |
ad24ecfb TM |
7253 | PROC(BIND_CONN_TO_SESSION, |
7254 | enc_bind_conn_to_session, dec_bind_conn_to_session), | |
66245539 | 7255 | PROC(DESTROY_CLIENTID, enc_destroy_clientid, dec_destroy_clientid), |
99fe60d0 | 7256 | #endif /* CONFIG_NFS_V4_1 */ |
1da177e4 LT |
7257 | }; |
7258 | ||
a613fa16 | 7259 | const struct rpc_version nfs_version4 = { |
1da177e4 | 7260 | .number = 4, |
e8c96f8c | 7261 | .nrprocs = ARRAY_SIZE(nfs4_procedures), |
1da177e4 LT |
7262 | .procs = nfs4_procedures |
7263 | }; | |
7264 | ||
7265 | /* | |
7266 | * Local variables: | |
7267 | * c-basic-offset: 8 | |
7268 | * End: | |
7269 | */ |