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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> | |
f092075d | 55 | |
4ce79717 | 56 | #include "nfs4_fs.h" |
f23f6584 | 57 | #include "nfs4trace.h" |
4882ef72 | 58 | #include "internal.h" |
40c64c26 | 59 | #include "nfs4idmap.h" |
76e697ba | 60 | #include "nfs4session.h" |
b1f69b75 | 61 | #include "pnfs.h" |
f092075d | 62 | #include "netns.h" |
1da177e4 LT |
63 | |
64 | #define NFSDBG_FACILITY NFSDBG_XDR | |
65 | ||
66 | /* Mapping from NFS error code to "errno" error code. */ | |
67 | #define errno_NFSERR_IO EIO | |
68 | ||
56f487f8 | 69 | struct compound_hdr; |
0a8ea437 | 70 | static int nfs4_stat_to_errno(int); |
56f487f8 FI |
71 | static void encode_layoutget(struct xdr_stream *xdr, |
72 | const struct nfs4_layoutget_args *args, | |
73 | struct compound_hdr *hdr); | |
74 | static int decode_layoutget(struct xdr_stream *xdr, struct rpc_rqst *req, | |
75 | struct nfs4_layoutget_res *res); | |
1da177e4 LT |
76 | |
77 | /* NFSv4 COMPOUND tags are only wanted for debugging purposes */ | |
78 | #ifdef DEBUG | |
79 | #define NFS4_MAXTAGLEN 20 | |
80 | #else | |
81 | #define NFS4_MAXTAGLEN 0 | |
82 | #endif | |
83 | ||
6c0195a4 | 84 | /* lock,open owner id: |
9f958ab8 | 85 | * we currently use size 2 (u64) out of (NFS4_OPAQUE_LIMIT >> 2) |
1da177e4 | 86 | */ |
9ed5af26 | 87 | #define pagepad_maxsz (1) |
95b72eb0 | 88 | #define open_owner_id_maxsz (1 + 2 + 1 + 1 + 2) |
d035c36c | 89 | #define lock_owner_id_maxsz (1 + 1 + 4) |
9104a55d | 90 | #define decode_lockowner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) |
1da177e4 LT |
91 | #define compound_encode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2)) |
92 | #define compound_decode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2)) | |
93 | #define op_encode_hdr_maxsz (1) | |
94 | #define op_decode_hdr_maxsz (2) | |
9104a55d TM |
95 | #define encode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE)) |
96 | #define decode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE)) | |
97 | #define encode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE)) | |
98 | #define decode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE)) | |
1da177e4 LT |
99 | #define encode_putfh_maxsz (op_encode_hdr_maxsz + 1 + \ |
100 | (NFS4_FHSIZE >> 2)) | |
101 | #define decode_putfh_maxsz (op_decode_hdr_maxsz) | |
102 | #define encode_putrootfh_maxsz (op_encode_hdr_maxsz) | |
103 | #define decode_putrootfh_maxsz (op_decode_hdr_maxsz) | |
104 | #define encode_getfh_maxsz (op_encode_hdr_maxsz) | |
105 | #define decode_getfh_maxsz (op_decode_hdr_maxsz + 1 + \ | |
106 | ((3+NFS4_FHSIZE) >> 2)) | |
e5012d1f | 107 | #define nfs4_fattr_bitmap_maxsz 4 |
96928206 | 108 | #define encode_getattr_maxsz (op_encode_hdr_maxsz + nfs4_fattr_bitmap_maxsz) |
36b3743f | 109 | #define nfstime4_maxsz (3) |
1da177e4 LT |
110 | #define nfs4_name_maxsz (1 + ((3 + NFS4_MAXNAMLEN) >> 2)) |
111 | #define nfs4_path_maxsz (1 + ((3 + NFS4_MAXPATHLEN) >> 2)) | |
bd625ba8 TM |
112 | #define nfs4_owner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) |
113 | #define nfs4_group_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) | |
aa9c2669 DQ |
114 | #ifdef CONFIG_NFS_V4_SECURITY_LABEL |
115 | /* PI(4 bytes) + LFS(4 bytes) + 1(for null terminator?) + MAXLABELLEN */ | |
116 | #define nfs4_label_maxsz (4 + 4 + 1 + XDR_QUADLEN(NFS4_MAXLABELLEN)) | |
aa9c2669 DQ |
117 | #else |
118 | #define nfs4_label_maxsz 0 | |
aa9c2669 | 119 | #endif |
88034c3d AA |
120 | /* We support only one layout type per file system */ |
121 | #define decode_mdsthreshold_maxsz (1 + 1 + nfs4_fattr_bitmap_maxsz + 1 + 8) | |
96928206 BF |
122 | /* This is based on getfattr, which uses the most attributes: */ |
123 | #define nfs4_fattr_value_maxsz (1 + (1 + 2 + 2 + 4 + 2 + 1 + 1 + 2 + 2 + \ | |
36b3743f TM |
124 | 3*nfstime4_maxsz + \ |
125 | nfs4_owner_maxsz + \ | |
aa9c2669 DQ |
126 | nfs4_group_maxsz + nfs4_label_maxsz + \ |
127 | decode_mdsthreshold_maxsz)) | |
96928206 BF |
128 | #define nfs4_fattr_maxsz (nfs4_fattr_bitmap_maxsz + \ |
129 | nfs4_fattr_value_maxsz) | |
130 | #define decode_getattr_maxsz (op_decode_hdr_maxsz + nfs4_fattr_maxsz) | |
9104a55d TM |
131 | #define encode_attrs_maxsz (nfs4_fattr_bitmap_maxsz + \ |
132 | 1 + 2 + 1 + \ | |
133 | nfs4_owner_maxsz + \ | |
134 | nfs4_group_maxsz + \ | |
aa9c2669 | 135 | nfs4_label_maxsz + \ |
36b3743f TM |
136 | 1 + nfstime4_maxsz + \ |
137 | 1 + nfstime4_maxsz) | |
1da177e4 LT |
138 | #define encode_savefh_maxsz (op_encode_hdr_maxsz) |
139 | #define decode_savefh_maxsz (op_decode_hdr_maxsz) | |
56ae19f3 TM |
140 | #define encode_restorefh_maxsz (op_encode_hdr_maxsz) |
141 | #define decode_restorefh_maxsz (op_decode_hdr_maxsz) | |
2f42b5d0 | 142 | #define encode_fsinfo_maxsz (encode_getattr_maxsz) |
dae100c2 FI |
143 | /* The 5 accounts for the PNFS attributes, and assumes that at most three |
144 | * layout types will be returned. | |
145 | */ | |
146 | #define decode_fsinfo_maxsz (op_decode_hdr_maxsz + \ | |
57a789a1 TM |
147 | nfs4_fattr_bitmap_maxsz + 1 + \ |
148 | 1 /* lease time */ + \ | |
149 | 2 /* max filesize */ + \ | |
150 | 2 /* max read */ + \ | |
151 | 2 /* max write */ + \ | |
152 | nfstime4_maxsz /* time delta */ + \ | |
153 | 5 /* fs layout types */ + \ | |
154 | 1 /* layout blksize */ + \ | |
155 | 1 /* clone blksize */ + \ | |
7f08a335 | 156 | 1 /* change attr type */ + \ |
57a789a1 | 157 | 1 /* xattr support */) |
1da177e4 LT |
158 | #define encode_renew_maxsz (op_encode_hdr_maxsz + 3) |
159 | #define decode_renew_maxsz (op_decode_hdr_maxsz) | |
160 | #define encode_setclientid_maxsz \ | |
161 | (op_encode_hdr_maxsz + \ | |
cc38bac3 | 162 | XDR_QUADLEN(NFS4_VERIFIER_SIZE) + \ |
b8fb2f59 JL |
163 | /* client name */ \ |
164 | 1 + XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
cc38bac3 | 165 | 1 /* sc_prog */ + \ |
6dd3436b CL |
166 | 1 + XDR_QUADLEN(RPCBIND_MAXNETIDLEN) + \ |
167 | 1 + XDR_QUADLEN(RPCBIND_MAXUADDRLEN) + \ | |
cc38bac3 | 168 | 1) /* sc_cb_ident */ |
1da177e4 LT |
169 | #define decode_setclientid_maxsz \ |
170 | (op_decode_hdr_maxsz + \ | |
6dd3436b CL |
171 | 2 /* clientid */ + \ |
172 | XDR_QUADLEN(NFS4_VERIFIER_SIZE) + \ | |
173 | 1 + XDR_QUADLEN(RPCBIND_MAXNETIDLEN) + \ | |
174 | 1 + XDR_QUADLEN(RPCBIND_MAXUADDRLEN)) | |
1da177e4 LT |
175 | #define encode_setclientid_confirm_maxsz \ |
176 | (op_encode_hdr_maxsz + \ | |
177 | 3 + (NFS4_VERIFIER_SIZE >> 2)) | |
178 | #define decode_setclientid_confirm_maxsz \ | |
179 | (op_decode_hdr_maxsz) | |
e6889620 TM |
180 | #define encode_lookup_maxsz (op_encode_hdr_maxsz + nfs4_name_maxsz) |
181 | #define decode_lookup_maxsz (op_decode_hdr_maxsz) | |
5b5faaf6 JL |
182 | #define encode_lookupp_maxsz (op_encode_hdr_maxsz) |
183 | #define decode_lookupp_maxsz (op_decode_hdr_maxsz) | |
2cebf828 TM |
184 | #define encode_share_access_maxsz \ |
185 | (2) | |
4882ef72 | 186 | #define encode_createmode_maxsz (1 + encode_attrs_maxsz + encode_verifier_maxsz) |
2cebf828 TM |
187 | #define encode_opentype_maxsz (1 + encode_createmode_maxsz) |
188 | #define encode_claim_null_maxsz (1 + nfs4_name_maxsz) | |
189 | #define encode_open_maxsz (op_encode_hdr_maxsz + \ | |
190 | 2 + encode_share_access_maxsz + 2 + \ | |
191 | open_owner_id_maxsz + \ | |
192 | encode_opentype_maxsz + \ | |
193 | encode_claim_null_maxsz) | |
5a1f6d9e | 194 | #define decode_space_limit_maxsz (3) |
2cebf828 | 195 | #define decode_ace_maxsz (3 + nfs4_owner_maxsz) |
9104a55d | 196 | #define decode_delegation_maxsz (1 + decode_stateid_maxsz + 1 + \ |
5a1f6d9e | 197 | decode_space_limit_maxsz + \ |
2cebf828 TM |
198 | decode_ace_maxsz) |
199 | #define decode_change_info_maxsz (5) | |
200 | #define decode_open_maxsz (op_decode_hdr_maxsz + \ | |
9104a55d | 201 | decode_stateid_maxsz + \ |
2cebf828 TM |
202 | decode_change_info_maxsz + 1 + \ |
203 | nfs4_fattr_bitmap_maxsz + \ | |
204 | decode_delegation_maxsz) | |
9104a55d TM |
205 | #define encode_open_confirm_maxsz \ |
206 | (op_encode_hdr_maxsz + \ | |
207 | encode_stateid_maxsz + 1) | |
208 | #define decode_open_confirm_maxsz \ | |
209 | (op_decode_hdr_maxsz + \ | |
210 | decode_stateid_maxsz) | |
211 | #define encode_open_downgrade_maxsz \ | |
212 | (op_encode_hdr_maxsz + \ | |
213 | encode_stateid_maxsz + 1 + \ | |
214 | encode_share_access_maxsz) | |
215 | #define decode_open_downgrade_maxsz \ | |
216 | (op_decode_hdr_maxsz + \ | |
217 | decode_stateid_maxsz) | |
218 | #define encode_close_maxsz (op_encode_hdr_maxsz + \ | |
219 | 1 + encode_stateid_maxsz) | |
220 | #define decode_close_maxsz (op_decode_hdr_maxsz + \ | |
221 | decode_stateid_maxsz) | |
222 | #define encode_setattr_maxsz (op_encode_hdr_maxsz + \ | |
223 | encode_stateid_maxsz + \ | |
224 | encode_attrs_maxsz) | |
225 | #define decode_setattr_maxsz (op_decode_hdr_maxsz + \ | |
226 | nfs4_fattr_bitmap_maxsz) | |
227 | #define encode_read_maxsz (op_encode_hdr_maxsz + \ | |
228 | encode_stateid_maxsz + 3) | |
9ed5af26 | 229 | #define decode_read_maxsz (op_decode_hdr_maxsz + 2 + pagepad_maxsz) |
9104a55d | 230 | #define encode_readdir_maxsz (op_encode_hdr_maxsz + \ |
aa9c2669 DQ |
231 | 2 + encode_verifier_maxsz + 5 + \ |
232 | nfs4_label_maxsz) | |
9104a55d | 233 | #define decode_readdir_maxsz (op_decode_hdr_maxsz + \ |
9ed5af26 | 234 | decode_verifier_maxsz + pagepad_maxsz) |
9104a55d | 235 | #define encode_readlink_maxsz (op_encode_hdr_maxsz) |
9ed5af26 | 236 | #define decode_readlink_maxsz (op_decode_hdr_maxsz + 1 + pagepad_maxsz) |
9104a55d TM |
237 | #define encode_write_maxsz (op_encode_hdr_maxsz + \ |
238 | encode_stateid_maxsz + 4) | |
239 | #define decode_write_maxsz (op_decode_hdr_maxsz + \ | |
240 | 2 + decode_verifier_maxsz) | |
241 | #define encode_commit_maxsz (op_encode_hdr_maxsz + 3) | |
242 | #define decode_commit_maxsz (op_decode_hdr_maxsz + \ | |
243 | decode_verifier_maxsz) | |
1da177e4 LT |
244 | #define encode_remove_maxsz (op_encode_hdr_maxsz + \ |
245 | nfs4_name_maxsz) | |
6ce18391 BH |
246 | #define decode_remove_maxsz (op_decode_hdr_maxsz + \ |
247 | decode_change_info_maxsz) | |
1da177e4 LT |
248 | #define encode_rename_maxsz (op_encode_hdr_maxsz + \ |
249 | 2 * nfs4_name_maxsz) | |
6ce18391 BH |
250 | #define decode_rename_maxsz (op_decode_hdr_maxsz + \ |
251 | decode_change_info_maxsz + \ | |
252 | decode_change_info_maxsz) | |
1da177e4 LT |
253 | #define encode_link_maxsz (op_encode_hdr_maxsz + \ |
254 | nfs4_name_maxsz) | |
6ce18391 | 255 | #define decode_link_maxsz (op_decode_hdr_maxsz + decode_change_info_maxsz) |
daccbded | 256 | #define encode_lockowner_maxsz (7) |
9104a55d TM |
257 | #define encode_lock_maxsz (op_encode_hdr_maxsz + \ |
258 | 7 + \ | |
daccbded TM |
259 | 1 + encode_stateid_maxsz + 1 + \ |
260 | encode_lockowner_maxsz) | |
9104a55d TM |
261 | #define decode_lock_denied_maxsz \ |
262 | (8 + decode_lockowner_maxsz) | |
263 | #define decode_lock_maxsz (op_decode_hdr_maxsz + \ | |
264 | decode_lock_denied_maxsz) | |
daccbded TM |
265 | #define encode_lockt_maxsz (op_encode_hdr_maxsz + 5 + \ |
266 | encode_lockowner_maxsz) | |
9104a55d TM |
267 | #define decode_lockt_maxsz (op_decode_hdr_maxsz + \ |
268 | decode_lock_denied_maxsz) | |
269 | #define encode_locku_maxsz (op_encode_hdr_maxsz + 3 + \ | |
270 | encode_stateid_maxsz + \ | |
271 | 4) | |
272 | #define decode_locku_maxsz (op_decode_hdr_maxsz + \ | |
273 | decode_stateid_maxsz) | |
d3c7b7cc TM |
274 | #define encode_release_lockowner_maxsz \ |
275 | (op_encode_hdr_maxsz + \ | |
276 | encode_lockowner_maxsz) | |
277 | #define decode_release_lockowner_maxsz \ | |
278 | (op_decode_hdr_maxsz) | |
9104a55d TM |
279 | #define encode_access_maxsz (op_encode_hdr_maxsz + 1) |
280 | #define decode_access_maxsz (op_decode_hdr_maxsz + 2) | |
1da177e4 LT |
281 | #define encode_symlink_maxsz (op_encode_hdr_maxsz + \ |
282 | 1 + nfs4_name_maxsz + \ | |
94a6d753 | 283 | 1 + \ |
96928206 | 284 | nfs4_fattr_maxsz) |
1da177e4 LT |
285 | #define decode_symlink_maxsz (op_decode_hdr_maxsz + 8) |
286 | #define encode_create_maxsz (op_encode_hdr_maxsz + \ | |
9104a55d TM |
287 | 1 + 2 + nfs4_name_maxsz + \ |
288 | encode_attrs_maxsz) | |
2cebf828 TM |
289 | #define decode_create_maxsz (op_decode_hdr_maxsz + \ |
290 | decode_change_info_maxsz + \ | |
291 | nfs4_fattr_bitmap_maxsz) | |
9104a55d TM |
292 | #define encode_statfs_maxsz (encode_getattr_maxsz) |
293 | #define decode_statfs_maxsz (decode_getattr_maxsz) | |
1da177e4 LT |
294 | #define encode_delegreturn_maxsz (op_encode_hdr_maxsz + 4) |
295 | #define decode_delegreturn_maxsz (op_decode_hdr_maxsz) | |
9104a55d TM |
296 | #define encode_getacl_maxsz (encode_getattr_maxsz) |
297 | #define decode_getacl_maxsz (op_decode_hdr_maxsz + \ | |
9ed5af26 | 298 | nfs4_fattr_bitmap_maxsz + 1 + pagepad_maxsz) |
9104a55d TM |
299 | #define encode_setacl_maxsz (op_encode_hdr_maxsz + \ |
300 | encode_stateid_maxsz + 3) | |
301 | #define decode_setacl_maxsz (decode_setattr_maxsz) | |
e6889620 TM |
302 | #define encode_fs_locations_maxsz \ |
303 | (encode_getattr_maxsz) | |
304 | #define decode_fs_locations_maxsz \ | |
9ed5af26 | 305 | (pagepad_maxsz) |
5a5ea0d4 | 306 | #define encode_secinfo_maxsz (op_encode_hdr_maxsz + nfs4_name_maxsz) |
1650add2 | 307 | #define decode_secinfo_maxsz (op_decode_hdr_maxsz + 1 + ((NFS_MAX_SECFLAVORS * (16 + GSS_OID_MAX_LEN)) / 4)) |
9b7b9fcc AA |
308 | |
309 | #if defined(CONFIG_NFS_V4_1) | |
fc931582 | 310 | #define NFS4_MAX_MACHINE_NAME_LEN (64) |
d751f748 JR |
311 | #define IMPL_NAME_LIMIT (sizeof(utsname()->sysname) + sizeof(utsname()->release) + \ |
312 | sizeof(utsname()->version) + sizeof(utsname()->machine) + 8) | |
fc931582 | 313 | |
99fe60d0 BH |
314 | #define encode_exchange_id_maxsz (op_encode_hdr_maxsz + \ |
315 | encode_verifier_maxsz + \ | |
316 | 1 /* co_ownerid.len */ + \ | |
b8fb2f59 JL |
317 | /* eia_clientowner */ \ |
318 | 1 + XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
99fe60d0 BH |
319 | 1 /* flags */ + \ |
320 | 1 /* spa_how */ + \ | |
2031cd1a WAA |
321 | /* max is SP4_MACH_CRED (for now) */ + \ |
322 | 1 + NFS4_OP_MAP_NUM_WORDS + \ | |
323 | 1 + NFS4_OP_MAP_NUM_WORDS + \ | |
db8ac8ba WAA |
324 | 1 /* implementation id array of size 1 */ + \ |
325 | 1 /* nii_domain */ + \ | |
326 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
327 | 1 /* nii_name */ + \ | |
d751f748 | 328 | XDR_QUADLEN(IMPL_NAME_LIMIT) + \ |
db8ac8ba | 329 | 3 /* nii_date */) |
99fe60d0 BH |
330 | #define decode_exchange_id_maxsz (op_decode_hdr_maxsz + \ |
331 | 2 /* eir_clientid */ + \ | |
332 | 1 /* eir_sequenceid */ + \ | |
333 | 1 /* eir_flags */ + \ | |
334 | 1 /* spr_how */ + \ | |
2031cd1a WAA |
335 | /* max is SP4_MACH_CRED (for now) */ + \ |
336 | 1 + NFS4_OP_MAP_NUM_WORDS + \ | |
337 | 1 + NFS4_OP_MAP_NUM_WORDS + \ | |
99fe60d0 BH |
338 | 2 /* eir_server_owner.so_minor_id */ + \ |
339 | /* eir_server_owner.so_major_id<> */ \ | |
340 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 + \ | |
341 | /* eir_server_scope<> */ \ | |
342 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 + \ | |
343 | 1 /* eir_server_impl_id array length */ + \ | |
7d2ed9ac WAA |
344 | 1 /* nii_domain */ + \ |
345 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
346 | 1 /* nii_name */ + \ | |
347 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
348 | 3 /* nii_date */) | |
fc931582 AA |
349 | #define encode_channel_attrs_maxsz (6 + 1 /* ca_rdma_ird.len (0) */) |
350 | #define decode_channel_attrs_maxsz (6 + \ | |
351 | 1 /* ca_rdma_ird.len */ + \ | |
352 | 1 /* ca_rdma_ird */) | |
353 | #define encode_create_session_maxsz (op_encode_hdr_maxsz + \ | |
354 | 2 /* csa_clientid */ + \ | |
355 | 1 /* csa_sequence */ + \ | |
356 | 1 /* csa_flags */ + \ | |
357 | encode_channel_attrs_maxsz + \ | |
358 | encode_channel_attrs_maxsz + \ | |
359 | 1 /* csa_cb_program */ + \ | |
360 | 1 /* csa_sec_parms.len (1) */ + \ | |
361 | 1 /* cb_secflavor (AUTH_SYS) */ + \ | |
362 | 1 /* stamp */ + \ | |
363 | 1 /* machinename.len */ + \ | |
364 | XDR_QUADLEN(NFS4_MAX_MACHINE_NAME_LEN) + \ | |
365 | 1 /* uid */ + \ | |
366 | 1 /* gid */ + \ | |
367 | 1 /* gids.len (0) */) | |
368 | #define decode_create_session_maxsz (op_decode_hdr_maxsz + \ | |
369 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + \ | |
370 | 1 /* csr_sequence */ + \ | |
371 | 1 /* csr_flags */ + \ | |
372 | decode_channel_attrs_maxsz + \ | |
373 | decode_channel_attrs_maxsz) | |
7c44f1ae WAA |
374 | #define encode_bind_conn_to_session_maxsz (op_encode_hdr_maxsz + \ |
375 | /* bctsa_sessid */ \ | |
376 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + \ | |
377 | 1 /* bctsa_dir */ + \ | |
378 | 1 /* bctsa_use_conn_in_rdma_mode */) | |
379 | #define decode_bind_conn_to_session_maxsz (op_decode_hdr_maxsz + \ | |
380 | /* bctsr_sessid */ \ | |
381 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + \ | |
382 | 1 /* bctsr_dir */ + \ | |
383 | 1 /* bctsr_use_conn_in_rdma_mode */) | |
0f3e66c6 AA |
384 | #define encode_destroy_session_maxsz (op_encode_hdr_maxsz + 4) |
385 | #define decode_destroy_session_maxsz (op_decode_hdr_maxsz) | |
66245539 TM |
386 | #define encode_destroy_clientid_maxsz (op_encode_hdr_maxsz + 2) |
387 | #define decode_destroy_clientid_maxsz (op_decode_hdr_maxsz) | |
fc01cea9 AA |
388 | #define encode_sequence_maxsz (op_encode_hdr_maxsz + \ |
389 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 4) | |
390 | #define decode_sequence_maxsz (op_decode_hdr_maxsz + \ | |
391 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 5) | |
18019753 RL |
392 | #define encode_reclaim_complete_maxsz (op_encode_hdr_maxsz + 4) |
393 | #define decode_reclaim_complete_maxsz (op_decode_hdr_maxsz + 4) | |
84c9dee3 CH |
394 | #define encode_getdeviceinfo_maxsz (op_encode_hdr_maxsz + \ |
395 | XDR_QUADLEN(NFS4_DEVICEID4_SIZE) + \ | |
396 | 1 /* layout type */ + \ | |
397 | 1 /* maxcount */ + \ | |
398 | 1 /* bitmap size */ + \ | |
399 | 1 /* notification bitmap length */ + \ | |
400 | 1 /* notification bitmap, word 0 */) | |
b1f69b75 AA |
401 | #define decode_getdeviceinfo_maxsz (op_decode_hdr_maxsz + \ |
402 | 1 /* layout type */ + \ | |
403 | 1 /* opaque devaddr4 length */ + \ | |
404 | /* devaddr4 payload is read into page */ \ | |
405 | 1 /* notification bitmap length */ + \ | |
02ef04e4 | 406 | 1 /* notification bitmap, word 0 */ + \ |
9ed5af26 | 407 | pagepad_maxsz /* possible XDR padding */) |
b1f69b75 AA |
408 | #define encode_layoutget_maxsz (op_encode_hdr_maxsz + 10 + \ |
409 | encode_stateid_maxsz) | |
410 | #define decode_layoutget_maxsz (op_decode_hdr_maxsz + 8 + \ | |
411 | decode_stateid_maxsz + \ | |
9ed5af26 TM |
412 | XDR_QUADLEN(PNFS_LAYOUT_MAXSIZE) + \ |
413 | pagepad_maxsz) | |
863a3c6c AA |
414 | #define encode_layoutcommit_maxsz (op_encode_hdr_maxsz + \ |
415 | 2 /* offset */ + \ | |
416 | 2 /* length */ + \ | |
417 | 1 /* reclaim */ + \ | |
418 | encode_stateid_maxsz + \ | |
419 | 1 /* new offset (true) */ + \ | |
420 | 2 /* last byte written */ + \ | |
421 | 1 /* nt_timechanged (false) */ + \ | |
422 | 1 /* layoutupdate4 layout type */ + \ | |
5f919c9f CH |
423 | 1 /* layoutupdate4 opaqueue len */) |
424 | /* the actual content of layoutupdate4 should | |
425 | be allocated by drivers and spliced in | |
426 | using xdr_write_pages */ | |
863a3c6c | 427 | #define decode_layoutcommit_maxsz (op_decode_hdr_maxsz + 3) |
cbe82603 BH |
428 | #define encode_layoutreturn_maxsz (8 + op_encode_hdr_maxsz + \ |
429 | encode_stateid_maxsz + \ | |
6669cb8b TM |
430 | 1 + \ |
431 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT)) | |
cbe82603 BH |
432 | #define decode_layoutreturn_maxsz (op_decode_hdr_maxsz + \ |
433 | 1 + decode_stateid_maxsz) | |
fca78d6d BS |
434 | #define encode_secinfo_no_name_maxsz (op_encode_hdr_maxsz + 1) |
435 | #define decode_secinfo_no_name_maxsz decode_secinfo_maxsz | |
7d974794 BS |
436 | #define encode_test_stateid_maxsz (op_encode_hdr_maxsz + 2 + \ |
437 | XDR_QUADLEN(NFS4_STATEID_SIZE)) | |
438 | #define decode_test_stateid_maxsz (op_decode_hdr_maxsz + 2 + 1) | |
9aeda35f BS |
439 | #define encode_free_stateid_maxsz (op_encode_hdr_maxsz + 1 + \ |
440 | XDR_QUADLEN(NFS4_STATEID_SIZE)) | |
9f79fb48 | 441 | #define decode_free_stateid_maxsz (op_decode_hdr_maxsz) |
9b7b9fcc AA |
442 | #else /* CONFIG_NFS_V4_1 */ |
443 | #define encode_sequence_maxsz 0 | |
444 | #define decode_sequence_maxsz 0 | |
cf805165 TM |
445 | #define encode_layoutreturn_maxsz 0 |
446 | #define decode_layoutreturn_maxsz 0 | |
56f487f8 FI |
447 | #define encode_layoutget_maxsz 0 |
448 | #define decode_layoutget_maxsz 0 | |
9b7b9fcc AA |
449 | #endif /* CONFIG_NFS_V4_1 */ |
450 | ||
1da177e4 LT |
451 | #define NFS4_enc_compound_sz (1024) /* XXX: large enough? */ |
452 | #define NFS4_dec_compound_sz (1024) /* XXX: large enough? */ | |
453 | #define NFS4_enc_read_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 454 | encode_sequence_maxsz + \ |
1da177e4 | 455 | encode_putfh_maxsz + \ |
9104a55d | 456 | encode_read_maxsz) |
1da177e4 | 457 | #define NFS4_dec_read_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 458 | decode_sequence_maxsz + \ |
1da177e4 | 459 | decode_putfh_maxsz + \ |
9104a55d | 460 | decode_read_maxsz) |
1da177e4 | 461 | #define NFS4_enc_readlink_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 462 | encode_sequence_maxsz + \ |
1da177e4 | 463 | encode_putfh_maxsz + \ |
9104a55d | 464 | encode_readlink_maxsz) |
1da177e4 | 465 | #define NFS4_dec_readlink_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 466 | decode_sequence_maxsz + \ |
1da177e4 | 467 | decode_putfh_maxsz + \ |
9104a55d | 468 | decode_readlink_maxsz) |
1da177e4 | 469 | #define NFS4_enc_readdir_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 470 | encode_sequence_maxsz + \ |
1da177e4 | 471 | encode_putfh_maxsz + \ |
9104a55d | 472 | encode_readdir_maxsz) |
1da177e4 | 473 | #define NFS4_dec_readdir_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 474 | decode_sequence_maxsz + \ |
1da177e4 | 475 | decode_putfh_maxsz + \ |
9104a55d | 476 | decode_readdir_maxsz) |
1da177e4 | 477 | #define NFS4_enc_write_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 478 | encode_sequence_maxsz + \ |
1da177e4 | 479 | encode_putfh_maxsz + \ |
9104a55d | 480 | encode_write_maxsz + \ |
4f9838c7 | 481 | encode_getattr_maxsz) |
1da177e4 | 482 | #define NFS4_dec_write_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 483 | decode_sequence_maxsz + \ |
1da177e4 | 484 | decode_putfh_maxsz + \ |
9104a55d | 485 | decode_write_maxsz + \ |
4f9838c7 | 486 | decode_getattr_maxsz) |
1da177e4 | 487 | #define NFS4_enc_commit_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 488 | encode_sequence_maxsz + \ |
1da177e4 | 489 | encode_putfh_maxsz + \ |
8582715e | 490 | encode_commit_maxsz) |
1da177e4 | 491 | #define NFS4_dec_commit_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 492 | decode_sequence_maxsz + \ |
1da177e4 | 493 | decode_putfh_maxsz + \ |
8582715e | 494 | decode_commit_maxsz) |
1da177e4 | 495 | #define NFS4_enc_open_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 496 | encode_sequence_maxsz + \ |
2cebf828 | 497 | encode_putfh_maxsz + \ |
2cebf828 | 498 | encode_open_maxsz + \ |
6168f62c | 499 | encode_access_maxsz + \ |
2cebf828 | 500 | encode_getfh_maxsz + \ |
56f487f8 FI |
501 | encode_getattr_maxsz + \ |
502 | encode_layoutget_maxsz) | |
1da177e4 | 503 | #define NFS4_dec_open_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 504 | decode_sequence_maxsz + \ |
2cebf828 | 505 | decode_putfh_maxsz + \ |
2cebf828 | 506 | decode_open_maxsz + \ |
6168f62c | 507 | decode_access_maxsz + \ |
2cebf828 | 508 | decode_getfh_maxsz + \ |
56f487f8 FI |
509 | decode_getattr_maxsz + \ |
510 | decode_layoutget_maxsz) | |
9104a55d TM |
511 | #define NFS4_enc_open_confirm_sz \ |
512 | (compound_encode_hdr_maxsz + \ | |
513 | encode_putfh_maxsz + \ | |
514 | encode_open_confirm_maxsz) | |
515 | #define NFS4_dec_open_confirm_sz \ | |
516 | (compound_decode_hdr_maxsz + \ | |
517 | decode_putfh_maxsz + \ | |
518 | decode_open_confirm_maxsz) | |
1da177e4 | 519 | #define NFS4_enc_open_noattr_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 520 | encode_sequence_maxsz + \ |
1da177e4 | 521 | encode_putfh_maxsz + \ |
2cebf828 | 522 | encode_open_maxsz + \ |
6168f62c | 523 | encode_access_maxsz + \ |
56f487f8 FI |
524 | encode_getattr_maxsz + \ |
525 | encode_layoutget_maxsz) | |
1da177e4 | 526 | #define NFS4_dec_open_noattr_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 527 | decode_sequence_maxsz + \ |
1da177e4 | 528 | decode_putfh_maxsz + \ |
2cebf828 | 529 | decode_open_maxsz + \ |
6168f62c | 530 | decode_access_maxsz + \ |
56f487f8 FI |
531 | decode_getattr_maxsz + \ |
532 | decode_layoutget_maxsz) | |
1da177e4 LT |
533 | #define NFS4_enc_open_downgrade_sz \ |
534 | (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 535 | encode_sequence_maxsz + \ |
9104a55d | 536 | encode_putfh_maxsz + \ |
b6808145 | 537 | encode_layoutreturn_maxsz + \ |
3947b74d | 538 | encode_open_downgrade_maxsz) |
1da177e4 LT |
539 | #define NFS4_dec_open_downgrade_sz \ |
540 | (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 541 | decode_sequence_maxsz + \ |
9104a55d | 542 | decode_putfh_maxsz + \ |
b6808145 | 543 | decode_layoutreturn_maxsz + \ |
3947b74d | 544 | decode_open_downgrade_maxsz) |
9104a55d | 545 | #define NFS4_enc_close_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 546 | encode_sequence_maxsz + \ |
9104a55d | 547 | encode_putfh_maxsz + \ |
cf805165 | 548 | encode_layoutreturn_maxsz + \ |
9104a55d TM |
549 | encode_close_maxsz + \ |
550 | encode_getattr_maxsz) | |
551 | #define NFS4_dec_close_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 552 | decode_sequence_maxsz + \ |
9104a55d | 553 | decode_putfh_maxsz + \ |
cf805165 | 554 | decode_layoutreturn_maxsz + \ |
9104a55d TM |
555 | decode_close_maxsz + \ |
556 | decode_getattr_maxsz) | |
557 | #define NFS4_enc_setattr_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 558 | encode_sequence_maxsz + \ |
9104a55d TM |
559 | encode_putfh_maxsz + \ |
560 | encode_setattr_maxsz + \ | |
561 | encode_getattr_maxsz) | |
562 | #define NFS4_dec_setattr_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 563 | decode_sequence_maxsz + \ |
9104a55d TM |
564 | decode_putfh_maxsz + \ |
565 | decode_setattr_maxsz + \ | |
566 | decode_getattr_maxsz) | |
1da177e4 | 567 | #define NFS4_enc_fsinfo_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 568 | encode_sequence_maxsz + \ |
1da177e4 LT |
569 | encode_putfh_maxsz + \ |
570 | encode_fsinfo_maxsz) | |
571 | #define NFS4_dec_fsinfo_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 572 | decode_sequence_maxsz + \ |
1da177e4 LT |
573 | decode_putfh_maxsz + \ |
574 | decode_fsinfo_maxsz) | |
575 | #define NFS4_enc_renew_sz (compound_encode_hdr_maxsz + \ | |
576 | encode_renew_maxsz) | |
577 | #define NFS4_dec_renew_sz (compound_decode_hdr_maxsz + \ | |
578 | decode_renew_maxsz) | |
579 | #define NFS4_enc_setclientid_sz (compound_encode_hdr_maxsz + \ | |
580 | encode_setclientid_maxsz) | |
581 | #define NFS4_dec_setclientid_sz (compound_decode_hdr_maxsz + \ | |
582 | decode_setclientid_maxsz) | |
583 | #define NFS4_enc_setclientid_confirm_sz \ | |
584 | (compound_encode_hdr_maxsz + \ | |
83ca7f5a | 585 | encode_setclientid_confirm_maxsz) |
1da177e4 LT |
586 | #define NFS4_dec_setclientid_confirm_sz \ |
587 | (compound_decode_hdr_maxsz + \ | |
83ca7f5a | 588 | decode_setclientid_confirm_maxsz) |
1da177e4 | 589 | #define NFS4_enc_lock_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 590 | encode_sequence_maxsz + \ |
1da177e4 | 591 | encode_putfh_maxsz + \ |
9104a55d | 592 | encode_lock_maxsz) |
1da177e4 | 593 | #define NFS4_dec_lock_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 594 | decode_sequence_maxsz + \ |
1da177e4 | 595 | decode_putfh_maxsz + \ |
9104a55d | 596 | decode_lock_maxsz) |
1da177e4 | 597 | #define NFS4_enc_lockt_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 598 | encode_sequence_maxsz + \ |
1da177e4 | 599 | encode_putfh_maxsz + \ |
9104a55d TM |
600 | encode_lockt_maxsz) |
601 | #define NFS4_dec_lockt_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 602 | decode_sequence_maxsz + \ |
9104a55d TM |
603 | decode_putfh_maxsz + \ |
604 | decode_lockt_maxsz) | |
1da177e4 | 605 | #define NFS4_enc_locku_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 606 | encode_sequence_maxsz + \ |
1da177e4 | 607 | encode_putfh_maxsz + \ |
9104a55d | 608 | encode_locku_maxsz) |
1da177e4 | 609 | #define NFS4_dec_locku_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 610 | decode_sequence_maxsz + \ |
1da177e4 | 611 | decode_putfh_maxsz + \ |
9104a55d | 612 | decode_locku_maxsz) |
d3c7b7cc TM |
613 | #define NFS4_enc_release_lockowner_sz \ |
614 | (compound_encode_hdr_maxsz + \ | |
615 | encode_lockowner_maxsz) | |
616 | #define NFS4_dec_release_lockowner_sz \ | |
617 | (compound_decode_hdr_maxsz + \ | |
618 | decode_lockowner_maxsz) | |
1da177e4 | 619 | #define NFS4_enc_access_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 620 | encode_sequence_maxsz + \ |
1da177e4 | 621 | encode_putfh_maxsz + \ |
76b32999 TM |
622 | encode_access_maxsz + \ |
623 | encode_getattr_maxsz) | |
1da177e4 | 624 | #define NFS4_dec_access_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 625 | decode_sequence_maxsz + \ |
1da177e4 | 626 | decode_putfh_maxsz + \ |
76b32999 TM |
627 | decode_access_maxsz + \ |
628 | decode_getattr_maxsz) | |
1da177e4 | 629 | #define NFS4_enc_getattr_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 630 | encode_sequence_maxsz + \ |
1da177e4 | 631 | encode_putfh_maxsz + \ |
44c99933 CL |
632 | encode_getattr_maxsz + \ |
633 | encode_renew_maxsz) | |
1da177e4 | 634 | #define NFS4_dec_getattr_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 635 | decode_sequence_maxsz + \ |
1da177e4 | 636 | decode_putfh_maxsz + \ |
44c99933 CL |
637 | decode_getattr_maxsz + \ |
638 | decode_renew_maxsz) | |
1da177e4 | 639 | #define NFS4_enc_lookup_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 640 | encode_sequence_maxsz + \ |
1da177e4 LT |
641 | encode_putfh_maxsz + \ |
642 | encode_lookup_maxsz + \ | |
643 | encode_getattr_maxsz + \ | |
644 | encode_getfh_maxsz) | |
645 | #define NFS4_dec_lookup_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 646 | decode_sequence_maxsz + \ |
1da177e4 | 647 | decode_putfh_maxsz + \ |
e6889620 | 648 | decode_lookup_maxsz + \ |
1da177e4 LT |
649 | decode_getattr_maxsz + \ |
650 | decode_getfh_maxsz) | |
5b5faaf6 JL |
651 | #define NFS4_enc_lookupp_sz (compound_encode_hdr_maxsz + \ |
652 | encode_sequence_maxsz + \ | |
653 | encode_putfh_maxsz + \ | |
654 | encode_lookupp_maxsz + \ | |
655 | encode_getattr_maxsz + \ | |
656 | encode_getfh_maxsz) | |
657 | #define NFS4_dec_lookupp_sz (compound_decode_hdr_maxsz + \ | |
658 | decode_sequence_maxsz + \ | |
659 | decode_putfh_maxsz + \ | |
660 | decode_lookupp_maxsz + \ | |
661 | decode_getattr_maxsz + \ | |
662 | decode_getfh_maxsz) | |
1da177e4 | 663 | #define NFS4_enc_lookup_root_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 664 | encode_sequence_maxsz + \ |
1da177e4 LT |
665 | encode_putrootfh_maxsz + \ |
666 | encode_getattr_maxsz + \ | |
667 | encode_getfh_maxsz) | |
668 | #define NFS4_dec_lookup_root_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 669 | decode_sequence_maxsz + \ |
1da177e4 LT |
670 | decode_putrootfh_maxsz + \ |
671 | decode_getattr_maxsz + \ | |
672 | decode_getfh_maxsz) | |
673 | #define NFS4_enc_remove_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 674 | encode_sequence_maxsz + \ |
1da177e4 | 675 | encode_putfh_maxsz + \ |
778d2817 | 676 | encode_remove_maxsz) |
1da177e4 | 677 | #define NFS4_dec_remove_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 678 | decode_sequence_maxsz + \ |
1da177e4 | 679 | decode_putfh_maxsz + \ |
778d2817 | 680 | decode_remove_maxsz) |
1da177e4 | 681 | #define NFS4_enc_rename_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 682 | encode_sequence_maxsz + \ |
1da177e4 LT |
683 | encode_putfh_maxsz + \ |
684 | encode_savefh_maxsz + \ | |
685 | encode_putfh_maxsz + \ | |
778d2817 | 686 | encode_rename_maxsz) |
1da177e4 | 687 | #define NFS4_dec_rename_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 688 | decode_sequence_maxsz + \ |
1da177e4 LT |
689 | decode_putfh_maxsz + \ |
690 | decode_savefh_maxsz + \ | |
691 | decode_putfh_maxsz + \ | |
778d2817 | 692 | decode_rename_maxsz) |
1da177e4 | 693 | #define NFS4_enc_link_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 694 | encode_sequence_maxsz + \ |
1da177e4 LT |
695 | encode_putfh_maxsz + \ |
696 | encode_savefh_maxsz + \ | |
697 | encode_putfh_maxsz + \ | |
91ba2eee | 698 | encode_link_maxsz + \ |
91ba2eee | 699 | encode_restorefh_maxsz + \ |
a9f6991b | 700 | encode_getattr_maxsz) |
1da177e4 | 701 | #define NFS4_dec_link_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 702 | decode_sequence_maxsz + \ |
1da177e4 LT |
703 | decode_putfh_maxsz + \ |
704 | decode_savefh_maxsz + \ | |
705 | decode_putfh_maxsz + \ | |
91ba2eee | 706 | decode_link_maxsz + \ |
91ba2eee TM |
707 | decode_restorefh_maxsz + \ |
708 | decode_getattr_maxsz) | |
1da177e4 | 709 | #define NFS4_enc_symlink_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 710 | encode_sequence_maxsz + \ |
1da177e4 LT |
711 | encode_putfh_maxsz + \ |
712 | encode_symlink_maxsz + \ | |
713 | encode_getattr_maxsz + \ | |
714 | encode_getfh_maxsz) | |
715 | #define NFS4_dec_symlink_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 716 | decode_sequence_maxsz + \ |
1da177e4 LT |
717 | decode_putfh_maxsz + \ |
718 | decode_symlink_maxsz + \ | |
719 | decode_getattr_maxsz + \ | |
720 | decode_getfh_maxsz) | |
721 | #define NFS4_enc_create_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 722 | encode_sequence_maxsz + \ |
1da177e4 LT |
723 | encode_putfh_maxsz + \ |
724 | encode_create_maxsz + \ | |
56ae19f3 | 725 | encode_getfh_maxsz + \ |
56ae19f3 | 726 | encode_getattr_maxsz) |
1da177e4 | 727 | #define NFS4_dec_create_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 728 | decode_sequence_maxsz + \ |
1da177e4 LT |
729 | decode_putfh_maxsz + \ |
730 | decode_create_maxsz + \ | |
56ae19f3 | 731 | decode_getfh_maxsz + \ |
56ae19f3 | 732 | decode_getattr_maxsz) |
1da177e4 | 733 | #define NFS4_enc_pathconf_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 734 | encode_sequence_maxsz + \ |
1da177e4 LT |
735 | encode_putfh_maxsz + \ |
736 | encode_getattr_maxsz) | |
737 | #define NFS4_dec_pathconf_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 738 | decode_sequence_maxsz + \ |
1da177e4 LT |
739 | decode_putfh_maxsz + \ |
740 | decode_getattr_maxsz) | |
741 | #define NFS4_enc_statfs_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 742 | encode_sequence_maxsz + \ |
1da177e4 | 743 | encode_putfh_maxsz + \ |
9104a55d | 744 | encode_statfs_maxsz) |
1da177e4 | 745 | #define NFS4_dec_statfs_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 746 | decode_sequence_maxsz + \ |
1da177e4 | 747 | decode_putfh_maxsz + \ |
9104a55d | 748 | decode_statfs_maxsz) |
1da177e4 | 749 | #define NFS4_enc_server_caps_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 750 | encode_sequence_maxsz + \ |
ab91f264 | 751 | encode_putfh_maxsz + \ |
1da177e4 LT |
752 | encode_getattr_maxsz) |
753 | #define NFS4_dec_server_caps_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 754 | decode_sequence_maxsz + \ |
ab91f264 | 755 | decode_putfh_maxsz + \ |
1da177e4 LT |
756 | decode_getattr_maxsz) |
757 | #define NFS4_enc_delegreturn_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 758 | encode_sequence_maxsz + \ |
1da177e4 | 759 | encode_putfh_maxsz + \ |
586f1c39 | 760 | encode_layoutreturn_maxsz + \ |
fa178f29 TM |
761 | encode_delegreturn_maxsz + \ |
762 | encode_getattr_maxsz) | |
1da177e4 | 763 | #define NFS4_dec_delegreturn_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 764 | decode_sequence_maxsz + \ |
d8434d4c | 765 | decode_putfh_maxsz + \ |
586f1c39 | 766 | decode_layoutreturn_maxsz + \ |
fa178f29 TM |
767 | decode_delegreturn_maxsz + \ |
768 | decode_getattr_maxsz) | |
029d105e | 769 | #define NFS4_enc_getacl_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 770 | encode_sequence_maxsz + \ |
029d105e | 771 | encode_putfh_maxsz + \ |
9104a55d | 772 | encode_getacl_maxsz) |
029d105e | 773 | #define NFS4_dec_getacl_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 774 | decode_sequence_maxsz + \ |
029d105e | 775 | decode_putfh_maxsz + \ |
9104a55d | 776 | decode_getacl_maxsz) |
23ec6965 | 777 | #define NFS4_enc_setacl_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 778 | encode_sequence_maxsz + \ |
23ec6965 | 779 | encode_putfh_maxsz + \ |
9104a55d | 780 | encode_setacl_maxsz) |
23ec6965 | 781 | #define NFS4_dec_setacl_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 782 | decode_sequence_maxsz + \ |
23ec6965 | 783 | decode_putfh_maxsz + \ |
9104a55d | 784 | decode_setacl_maxsz) |
683b57b4 TM |
785 | #define NFS4_enc_fs_locations_sz \ |
786 | (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 787 | encode_sequence_maxsz + \ |
683b57b4 | 788 | encode_putfh_maxsz + \ |
e6889620 | 789 | encode_lookup_maxsz + \ |
b03d735b CL |
790 | encode_fs_locations_maxsz + \ |
791 | encode_renew_maxsz) | |
683b57b4 TM |
792 | #define NFS4_dec_fs_locations_sz \ |
793 | (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 794 | decode_sequence_maxsz + \ |
683b57b4 | 795 | decode_putfh_maxsz + \ |
e6889620 | 796 | decode_lookup_maxsz + \ |
b03d735b CL |
797 | decode_fs_locations_maxsz + \ |
798 | decode_renew_maxsz) | |
5a5ea0d4 BS |
799 | #define NFS4_enc_secinfo_sz (compound_encode_hdr_maxsz + \ |
800 | encode_sequence_maxsz + \ | |
801 | encode_putfh_maxsz + \ | |
802 | encode_secinfo_maxsz) | |
803 | #define NFS4_dec_secinfo_sz (compound_decode_hdr_maxsz + \ | |
804 | decode_sequence_maxsz + \ | |
805 | decode_putfh_maxsz + \ | |
806 | decode_secinfo_maxsz) | |
44c99933 CL |
807 | #define NFS4_enc_fsid_present_sz \ |
808 | (compound_encode_hdr_maxsz + \ | |
809 | encode_sequence_maxsz + \ | |
810 | encode_putfh_maxsz + \ | |
811 | encode_getfh_maxsz + \ | |
812 | encode_renew_maxsz) | |
813 | #define NFS4_dec_fsid_present_sz \ | |
814 | (compound_decode_hdr_maxsz + \ | |
815 | decode_sequence_maxsz + \ | |
816 | decode_putfh_maxsz + \ | |
817 | decode_getfh_maxsz + \ | |
818 | decode_renew_maxsz) | |
99fe60d0 | 819 | #if defined(CONFIG_NFS_V4_1) |
7c44f1ae WAA |
820 | #define NFS4_enc_bind_conn_to_session_sz \ |
821 | (compound_encode_hdr_maxsz + \ | |
822 | encode_bind_conn_to_session_maxsz) | |
823 | #define NFS4_dec_bind_conn_to_session_sz \ | |
824 | (compound_decode_hdr_maxsz + \ | |
825 | decode_bind_conn_to_session_maxsz) | |
99fe60d0 BH |
826 | #define NFS4_enc_exchange_id_sz \ |
827 | (compound_encode_hdr_maxsz + \ | |
828 | encode_exchange_id_maxsz) | |
829 | #define NFS4_dec_exchange_id_sz \ | |
830 | (compound_decode_hdr_maxsz + \ | |
831 | decode_exchange_id_maxsz) | |
fc931582 AA |
832 | #define NFS4_enc_create_session_sz \ |
833 | (compound_encode_hdr_maxsz + \ | |
834 | encode_create_session_maxsz) | |
835 | #define NFS4_dec_create_session_sz \ | |
836 | (compound_decode_hdr_maxsz + \ | |
837 | decode_create_session_maxsz) | |
0f3e66c6 AA |
838 | #define NFS4_enc_destroy_session_sz (compound_encode_hdr_maxsz + \ |
839 | encode_destroy_session_maxsz) | |
840 | #define NFS4_dec_destroy_session_sz (compound_decode_hdr_maxsz + \ | |
841 | decode_destroy_session_maxsz) | |
66245539 TM |
842 | #define NFS4_enc_destroy_clientid_sz (compound_encode_hdr_maxsz + \ |
843 | encode_destroy_clientid_maxsz) | |
844 | #define NFS4_dec_destroy_clientid_sz (compound_decode_hdr_maxsz + \ | |
845 | decode_destroy_clientid_maxsz) | |
fc01cea9 AA |
846 | #define NFS4_enc_sequence_sz \ |
847 | (compound_decode_hdr_maxsz + \ | |
848 | encode_sequence_maxsz) | |
849 | #define NFS4_dec_sequence_sz \ | |
850 | (compound_decode_hdr_maxsz + \ | |
851 | decode_sequence_maxsz) | |
0efb01b2 | 852 | #endif |
2050f0cc AA |
853 | #define NFS4_enc_get_lease_time_sz (compound_encode_hdr_maxsz + \ |
854 | encode_sequence_maxsz + \ | |
855 | encode_putrootfh_maxsz + \ | |
856 | encode_fsinfo_maxsz) | |
857 | #define NFS4_dec_get_lease_time_sz (compound_decode_hdr_maxsz + \ | |
858 | decode_sequence_maxsz + \ | |
859 | decode_putrootfh_maxsz + \ | |
860 | decode_fsinfo_maxsz) | |
0efb01b2 | 861 | #if defined(CONFIG_NFS_V4_1) |
18019753 RL |
862 | #define NFS4_enc_reclaim_complete_sz (compound_encode_hdr_maxsz + \ |
863 | encode_sequence_maxsz + \ | |
864 | encode_reclaim_complete_maxsz) | |
865 | #define NFS4_dec_reclaim_complete_sz (compound_decode_hdr_maxsz + \ | |
866 | decode_sequence_maxsz + \ | |
867 | decode_reclaim_complete_maxsz) | |
b1f69b75 AA |
868 | #define NFS4_enc_getdeviceinfo_sz (compound_encode_hdr_maxsz + \ |
869 | encode_sequence_maxsz +\ | |
870 | encode_getdeviceinfo_maxsz) | |
871 | #define NFS4_dec_getdeviceinfo_sz (compound_decode_hdr_maxsz + \ | |
872 | decode_sequence_maxsz + \ | |
873 | decode_getdeviceinfo_maxsz) | |
874 | #define NFS4_enc_layoutget_sz (compound_encode_hdr_maxsz + \ | |
875 | encode_sequence_maxsz + \ | |
876 | encode_putfh_maxsz + \ | |
877 | encode_layoutget_maxsz) | |
878 | #define NFS4_dec_layoutget_sz (compound_decode_hdr_maxsz + \ | |
879 | decode_sequence_maxsz + \ | |
880 | decode_putfh_maxsz + \ | |
881 | decode_layoutget_maxsz) | |
863a3c6c AA |
882 | #define NFS4_enc_layoutcommit_sz (compound_encode_hdr_maxsz + \ |
883 | encode_sequence_maxsz +\ | |
884 | encode_putfh_maxsz + \ | |
885 | encode_layoutcommit_maxsz + \ | |
886 | encode_getattr_maxsz) | |
887 | #define NFS4_dec_layoutcommit_sz (compound_decode_hdr_maxsz + \ | |
888 | decode_sequence_maxsz + \ | |
889 | decode_putfh_maxsz + \ | |
890 | decode_layoutcommit_maxsz + \ | |
891 | decode_getattr_maxsz) | |
cbe82603 BH |
892 | #define NFS4_enc_layoutreturn_sz (compound_encode_hdr_maxsz + \ |
893 | encode_sequence_maxsz + \ | |
894 | encode_putfh_maxsz + \ | |
895 | encode_layoutreturn_maxsz) | |
896 | #define NFS4_dec_layoutreturn_sz (compound_decode_hdr_maxsz + \ | |
897 | decode_sequence_maxsz + \ | |
898 | decode_putfh_maxsz + \ | |
899 | decode_layoutreturn_maxsz) | |
fca78d6d BS |
900 | #define NFS4_enc_secinfo_no_name_sz (compound_encode_hdr_maxsz + \ |
901 | encode_sequence_maxsz + \ | |
902 | encode_putrootfh_maxsz +\ | |
903 | encode_secinfo_no_name_maxsz) | |
904 | #define NFS4_dec_secinfo_no_name_sz (compound_decode_hdr_maxsz + \ | |
905 | decode_sequence_maxsz + \ | |
906 | decode_putrootfh_maxsz + \ | |
907 | decode_secinfo_no_name_maxsz) | |
7d974794 BS |
908 | #define NFS4_enc_test_stateid_sz (compound_encode_hdr_maxsz + \ |
909 | encode_sequence_maxsz + \ | |
910 | encode_test_stateid_maxsz) | |
911 | #define NFS4_dec_test_stateid_sz (compound_decode_hdr_maxsz + \ | |
912 | decode_sequence_maxsz + \ | |
913 | decode_test_stateid_maxsz) | |
9aeda35f BS |
914 | #define NFS4_enc_free_stateid_sz (compound_encode_hdr_maxsz + \ |
915 | encode_sequence_maxsz + \ | |
916 | encode_free_stateid_maxsz) | |
917 | #define NFS4_dec_free_stateid_sz (compound_decode_hdr_maxsz + \ | |
918 | decode_sequence_maxsz + \ | |
919 | decode_free_stateid_maxsz) | |
2449ea2e AB |
920 | |
921 | const u32 nfs41_maxwrite_overhead = ((RPC_MAX_HEADER_WITH_AUTH + | |
922 | compound_encode_hdr_maxsz + | |
923 | encode_sequence_maxsz + | |
924 | encode_putfh_maxsz + | |
925 | encode_getattr_maxsz) * | |
926 | XDR_UNIT); | |
927 | ||
928 | const u32 nfs41_maxread_overhead = ((RPC_MAX_HEADER_WITH_AUTH + | |
929 | compound_decode_hdr_maxsz + | |
930 | decode_sequence_maxsz + | |
931 | decode_putfh_maxsz) * | |
932 | XDR_UNIT); | |
f1c097be AA |
933 | |
934 | const u32 nfs41_maxgetdevinfo_overhead = ((RPC_MAX_REPHEADER_WITH_AUTH + | |
935 | compound_decode_hdr_maxsz + | |
936 | decode_sequence_maxsz) * | |
937 | XDR_UNIT); | |
938 | EXPORT_SYMBOL_GPL(nfs41_maxgetdevinfo_overhead); | |
99fe60d0 | 939 | #endif /* CONFIG_NFS_V4_1 */ |
1da177e4 | 940 | |
bca79478 TM |
941 | static const umode_t nfs_type2fmt[] = { |
942 | [NF4BAD] = 0, | |
943 | [NF4REG] = S_IFREG, | |
944 | [NF4DIR] = S_IFDIR, | |
945 | [NF4BLK] = S_IFBLK, | |
946 | [NF4CHR] = S_IFCHR, | |
947 | [NF4LNK] = S_IFLNK, | |
948 | [NF4SOCK] = S_IFSOCK, | |
949 | [NF4FIFO] = S_IFIFO, | |
950 | [NF4ATTRDIR] = 0, | |
951 | [NF4NAMEDATTR] = 0, | |
1da177e4 LT |
952 | }; |
953 | ||
954 | struct compound_hdr { | |
955 | int32_t status; | |
956 | uint32_t nops; | |
d017931c | 957 | __be32 * nops_p; |
1da177e4 LT |
958 | uint32_t taglen; |
959 | char * tag; | |
0c4e8c18 | 960 | uint32_t replen; /* expected reply words */ |
66cc0429 | 961 | u32 minorversion; |
1da177e4 LT |
962 | }; |
963 | ||
13c65ce9 BH |
964 | static __be32 *reserve_space(struct xdr_stream *xdr, size_t nbytes) |
965 | { | |
966 | __be32 *p = xdr_reserve_space(xdr, nbytes); | |
967 | BUG_ON(!p); | |
968 | return p; | |
969 | } | |
1da177e4 | 970 | |
cb17e556 TM |
971 | static void encode_opaque_fixed(struct xdr_stream *xdr, const void *buf, size_t len) |
972 | { | |
ab6e9aaf | 973 | WARN_ON_ONCE(xdr_stream_encode_opaque_fixed(xdr, buf, len) < 0); |
cb17e556 TM |
974 | } |
975 | ||
1da177e4 LT |
976 | static void encode_string(struct xdr_stream *xdr, unsigned int len, const char *str) |
977 | { | |
ab6e9aaf | 978 | WARN_ON_ONCE(xdr_stream_encode_opaque(xdr, str, len) < 0); |
1da177e4 LT |
979 | } |
980 | ||
4ade9821 TM |
981 | static void encode_uint32(struct xdr_stream *xdr, u32 n) |
982 | { | |
ab6e9aaf | 983 | WARN_ON_ONCE(xdr_stream_encode_u32(xdr, n) < 0); |
4ade9821 TM |
984 | } |
985 | ||
ff2eb681 TM |
986 | static void encode_uint64(struct xdr_stream *xdr, u64 n) |
987 | { | |
ab6e9aaf | 988 | WARN_ON_ONCE(xdr_stream_encode_u64(xdr, n) < 0); |
ff2eb681 TM |
989 | } |
990 | ||
37c88763 TM |
991 | static ssize_t xdr_encode_bitmap4(struct xdr_stream *xdr, |
992 | const __u32 *bitmap, size_t len) | |
993 | { | |
994 | ssize_t ret; | |
995 | ||
996 | /* Trim empty words */ | |
997 | while (len > 0 && bitmap[len-1] == 0) | |
998 | len--; | |
999 | ret = xdr_stream_encode_uint32_array(xdr, bitmap, len); | |
1000 | if (WARN_ON_ONCE(ret < 0)) | |
1001 | return ret; | |
1002 | return len; | |
1003 | } | |
1004 | ||
1005 | static size_t mask_bitmap4(const __u32 *bitmap, const __u32 *mask, | |
1006 | __u32 *res, size_t len) | |
1007 | { | |
1008 | size_t i; | |
1009 | __u32 tmp; | |
1010 | ||
1011 | while (len > 0 && (bitmap[len-1] == 0 || mask[len-1] == 0)) | |
1012 | len--; | |
1013 | for (i = len; i-- > 0;) { | |
1014 | tmp = bitmap[i] & mask[i]; | |
1015 | res[i] = tmp; | |
1016 | } | |
1017 | return len; | |
1018 | } | |
1019 | ||
4ade9821 TM |
1020 | static void encode_nfs4_seqid(struct xdr_stream *xdr, |
1021 | const struct nfs_seqid *seqid) | |
1022 | { | |
a6796419 TM |
1023 | if (seqid != NULL) |
1024 | encode_uint32(xdr, seqid->sequence->counter); | |
1025 | else | |
1026 | encode_uint32(xdr, 0); | |
4ade9821 TM |
1027 | } |
1028 | ||
0c4e8c18 BH |
1029 | static void encode_compound_hdr(struct xdr_stream *xdr, |
1030 | struct rpc_rqst *req, | |
1031 | struct compound_hdr *hdr) | |
1da177e4 | 1032 | { |
8687b63a | 1033 | __be32 *p; |
0c4e8c18 BH |
1034 | |
1035 | /* initialize running count of expected bytes in reply. | |
1036 | * NOTE: the replied tag SHOULD be the same is the one sent, | |
1037 | * but this is not required as a MUST for the server to do so. */ | |
cf500bac | 1038 | hdr->replen = 3 + hdr->taglen; |
1da177e4 | 1039 | |
7fc38846 | 1040 | WARN_ON_ONCE(hdr->taglen > NFS4_MAXTAGLEN); |
6fdfb0bc TM |
1041 | encode_string(xdr, hdr->taglen, hdr->tag); |
1042 | p = reserve_space(xdr, 8); | |
e75bc1c8 | 1043 | *p++ = cpu_to_be32(hdr->minorversion); |
d017931c | 1044 | hdr->nops_p = p; |
34558513 | 1045 | *p = cpu_to_be32(hdr->nops); |
d017931c AA |
1046 | } |
1047 | ||
ab19b481 TM |
1048 | static void encode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 op, |
1049 | uint32_t replen, | |
1050 | struct compound_hdr *hdr) | |
1051 | { | |
1052 | encode_uint32(xdr, op); | |
1053 | hdr->nops++; | |
1054 | hdr->replen += replen; | |
1055 | } | |
1056 | ||
d017931c AA |
1057 | static void encode_nops(struct compound_hdr *hdr) |
1058 | { | |
7fc38846 | 1059 | WARN_ON_ONCE(hdr->nops > NFS4_MAX_OPS); |
d017931c | 1060 | *hdr->nops_p = htonl(hdr->nops); |
1da177e4 LT |
1061 | } |
1062 | ||
ea9d23f5 TM |
1063 | static void encode_nfs4_stateid(struct xdr_stream *xdr, const nfs4_stateid *stateid) |
1064 | { | |
2d2f24ad | 1065 | encode_opaque_fixed(xdr, stateid, NFS4_STATEID_SIZE); |
ea9d23f5 TM |
1066 | } |
1067 | ||
1da177e4 LT |
1068 | static void encode_nfs4_verifier(struct xdr_stream *xdr, const nfs4_verifier *verf) |
1069 | { | |
cb17e556 | 1070 | encode_opaque_fixed(xdr, verf->data, NFS4_VERIFIER_SIZE); |
1da177e4 LT |
1071 | } |
1072 | ||
36b3743f | 1073 | static __be32 * |
e7d4b05c | 1074 | xdr_encode_nfstime4(__be32 *p, const struct timespec64 *t) |
36b3743f | 1075 | { |
a3167dac | 1076 | p = xdr_encode_hyper(p, t->tv_sec); |
36b3743f TM |
1077 | *p++ = cpu_to_be32(t->tv_nsec); |
1078 | return p; | |
1079 | } | |
1080 | ||
aa9c2669 DQ |
1081 | static void encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, |
1082 | const struct nfs4_label *label, | |
28cf22d0 | 1083 | const umode_t *umask, |
5334c5bd | 1084 | const struct nfs_server *server, |
28cf22d0 | 1085 | const uint32_t attrmask[]) |
1da177e4 LT |
1086 | { |
1087 | char owner_name[IDMAP_NAMESZ]; | |
1088 | char owner_group[IDMAP_NAMESZ]; | |
1089 | int owner_namelen = 0; | |
1090 | int owner_grouplen = 0; | |
8687b63a | 1091 | __be32 *p; |
d7067b2d | 1092 | uint32_t len = 0; |
d7067b2d | 1093 | uint32_t bmval[3] = { 0 }; |
1da177e4 LT |
1094 | |
1095 | /* | |
1096 | * We reserve enough space to write the entire attribute buffer at once. | |
1da177e4 | 1097 | */ |
28cf22d0 | 1098 | if ((iap->ia_valid & ATTR_SIZE) && (attrmask[0] & FATTR4_WORD0_SIZE)) { |
d7067b2d | 1099 | bmval[0] |= FATTR4_WORD0_SIZE; |
1da177e4 | 1100 | len += 8; |
d7067b2d TM |
1101 | } |
1102 | if (iap->ia_valid & ATTR_MODE) { | |
28cf22d0 | 1103 | if (umask && (attrmask[2] & FATTR4_WORD2_MODE_UMASK)) { |
dff25ddb AG |
1104 | bmval[2] |= FATTR4_WORD2_MODE_UMASK; |
1105 | len += 8; | |
28cf22d0 | 1106 | } else if (attrmask[1] & FATTR4_WORD1_MODE) { |
dff25ddb AG |
1107 | bmval[1] |= FATTR4_WORD1_MODE; |
1108 | len += 4; | |
1109 | } | |
d7067b2d | 1110 | } |
28cf22d0 | 1111 | if ((iap->ia_valid & ATTR_UID) && (attrmask[1] & FATTR4_WORD1_OWNER)) { |
e4fd72a1 | 1112 | owner_namelen = nfs_map_uid_to_name(server, iap->ia_uid, owner_name, IDMAP_NAMESZ); |
1da177e4 | 1113 | if (owner_namelen < 0) { |
fe82a183 | 1114 | dprintk("nfs: couldn't resolve uid %d to string\n", |
e5782076 | 1115 | from_kuid(&init_user_ns, iap->ia_uid)); |
1da177e4 LT |
1116 | /* XXX */ |
1117 | strcpy(owner_name, "nobody"); | |
1118 | owner_namelen = sizeof("nobody") - 1; | |
1119 | /* goto out; */ | |
1120 | } | |
d7067b2d | 1121 | bmval[1] |= FATTR4_WORD1_OWNER; |
1da177e4 LT |
1122 | len += 4 + (XDR_QUADLEN(owner_namelen) << 2); |
1123 | } | |
28cf22d0 TM |
1124 | if ((iap->ia_valid & ATTR_GID) && |
1125 | (attrmask[1] & FATTR4_WORD1_OWNER_GROUP)) { | |
e4fd72a1 | 1126 | owner_grouplen = nfs_map_gid_to_group(server, iap->ia_gid, owner_group, IDMAP_NAMESZ); |
1da177e4 | 1127 | if (owner_grouplen < 0) { |
fe82a183 | 1128 | dprintk("nfs: couldn't resolve gid %d to string\n", |
e5782076 | 1129 | from_kgid(&init_user_ns, iap->ia_gid)); |
1da177e4 LT |
1130 | strcpy(owner_group, "nobody"); |
1131 | owner_grouplen = sizeof("nobody") - 1; | |
1132 | /* goto out; */ | |
1133 | } | |
d7067b2d | 1134 | bmval[1] |= FATTR4_WORD1_OWNER_GROUP; |
1da177e4 LT |
1135 | len += 4 + (XDR_QUADLEN(owner_grouplen) << 2); |
1136 | } | |
28cf22d0 TM |
1137 | if (attrmask[1] & FATTR4_WORD1_TIME_ACCESS_SET) { |
1138 | if (iap->ia_valid & ATTR_ATIME_SET) { | |
1139 | bmval[1] |= FATTR4_WORD1_TIME_ACCESS_SET; | |
36b3743f | 1140 | len += 4 + (nfstime4_maxsz << 2); |
28cf22d0 TM |
1141 | } else if (iap->ia_valid & ATTR_ATIME) { |
1142 | bmval[1] |= FATTR4_WORD1_TIME_ACCESS_SET; | |
1143 | len += 4; | |
1144 | } | |
d7067b2d | 1145 | } |
28cf22d0 TM |
1146 | if (attrmask[1] & FATTR4_WORD1_TIME_MODIFY_SET) { |
1147 | if (iap->ia_valid & ATTR_MTIME_SET) { | |
1148 | bmval[1] |= FATTR4_WORD1_TIME_MODIFY_SET; | |
36b3743f | 1149 | len += 4 + (nfstime4_maxsz << 2); |
28cf22d0 TM |
1150 | } else if (iap->ia_valid & ATTR_MTIME) { |
1151 | bmval[1] |= FATTR4_WORD1_TIME_MODIFY_SET; | |
1152 | len += 4; | |
1153 | } | |
5334c5bd KM |
1154 | } |
1155 | ||
28cf22d0 | 1156 | if (label && (attrmask[2] & FATTR4_WORD2_SECURITY_LABEL)) { |
b4a2cf76 | 1157 | len += 4 + 4 + 4 + (XDR_QUADLEN(label->len) << 2); |
d7067b2d | 1158 | bmval[2] |= FATTR4_WORD2_SECURITY_LABEL; |
b4a2cf76 TM |
1159 | } |
1160 | ||
40a3426c TM |
1161 | xdr_encode_bitmap4(xdr, bmval, ARRAY_SIZE(bmval)); |
1162 | xdr_stream_encode_opaque_inline(xdr, (void **)&p, len); | |
1da177e4 | 1163 | |
d7067b2d | 1164 | if (bmval[0] & FATTR4_WORD0_SIZE) |
b95be5a9 | 1165 | p = xdr_encode_hyper(p, iap->ia_size); |
d7067b2d | 1166 | if (bmval[1] & FATTR4_WORD1_MODE) |
e75bc1c8 | 1167 | *p++ = cpu_to_be32(iap->ia_mode & S_IALLUGO); |
d7067b2d | 1168 | if (bmval[1] & FATTR4_WORD1_OWNER) |
811652bd | 1169 | p = xdr_encode_opaque(p, owner_name, owner_namelen); |
d7067b2d | 1170 | if (bmval[1] & FATTR4_WORD1_OWNER_GROUP) |
811652bd | 1171 | p = xdr_encode_opaque(p, owner_group, owner_grouplen); |
d7067b2d TM |
1172 | if (bmval[1] & FATTR4_WORD1_TIME_ACCESS_SET) { |
1173 | if (iap->ia_valid & ATTR_ATIME_SET) { | |
1174 | *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); | |
e7d4b05c | 1175 | p = xdr_encode_nfstime4(p, &iap->ia_atime); |
d7067b2d TM |
1176 | } else |
1177 | *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); | |
1da177e4 | 1178 | } |
d7067b2d TM |
1179 | if (bmval[1] & FATTR4_WORD1_TIME_MODIFY_SET) { |
1180 | if (iap->ia_valid & ATTR_MTIME_SET) { | |
1181 | *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); | |
e7d4b05c | 1182 | p = xdr_encode_nfstime4(p, &iap->ia_mtime); |
d7067b2d TM |
1183 | } else |
1184 | *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); | |
1da177e4 | 1185 | } |
e2751463 | 1186 | if (label && (bmval[2] & FATTR4_WORD2_SECURITY_LABEL)) { |
aa9c2669 DQ |
1187 | *p++ = cpu_to_be32(label->lfs); |
1188 | *p++ = cpu_to_be32(label->pi); | |
1189 | *p++ = cpu_to_be32(label->len); | |
1190 | p = xdr_encode_opaque_fixed(p, label->label, label->len); | |
1191 | } | |
dff25ddb AG |
1192 | if (bmval[2] & FATTR4_WORD2_MODE_UMASK) { |
1193 | *p++ = cpu_to_be32(iap->ia_mode & S_IALLUGO); | |
1194 | *p++ = cpu_to_be32(*umask); | |
1195 | } | |
6c0195a4 | 1196 | |
1da177e4 | 1197 | /* out: */ |
1da177e4 LT |
1198 | } |
1199 | ||
cf8cdbe5 | 1200 | static void encode_access(struct xdr_stream *xdr, u32 access, struct compound_hdr *hdr) |
1da177e4 | 1201 | { |
475d4ba0 TM |
1202 | encode_op_hdr(xdr, OP_ACCESS, decode_access_maxsz, hdr); |
1203 | encode_uint32(xdr, access); | |
1da177e4 LT |
1204 | } |
1205 | ||
cf8cdbe5 | 1206 | static void encode_close(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1207 | { |
ab19b481 | 1208 | encode_op_hdr(xdr, OP_CLOSE, decode_close_maxsz, hdr); |
4ade9821 | 1209 | encode_nfs4_seqid(xdr, arg->seqid); |
566fcec6 | 1210 | encode_nfs4_stateid(xdr, &arg->stateid); |
1da177e4 LT |
1211 | } |
1212 | ||
0b7c0153 | 1213 | static void encode_commit(struct xdr_stream *xdr, const struct nfs_commitargs *args, struct compound_hdr *hdr) |
1da177e4 | 1214 | { |
8687b63a | 1215 | __be32 *p; |
6c0195a4 | 1216 | |
475d4ba0 TM |
1217 | encode_op_hdr(xdr, OP_COMMIT, decode_commit_maxsz, hdr); |
1218 | p = reserve_space(xdr, 12); | |
b95be5a9 | 1219 | p = xdr_encode_hyper(p, args->offset); |
34558513 | 1220 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1221 | } |
1222 | ||
cf8cdbe5 | 1223 | static void encode_create(struct xdr_stream *xdr, const struct nfs4_create_arg *create, struct compound_hdr *hdr) |
1da177e4 | 1224 | { |
8687b63a | 1225 | __be32 *p; |
6c0195a4 | 1226 | |
475d4ba0 TM |
1227 | encode_op_hdr(xdr, OP_CREATE, decode_create_maxsz, hdr); |
1228 | encode_uint32(xdr, create->ftype); | |
1da177e4 LT |
1229 | |
1230 | switch (create->ftype) { | |
1231 | case NF4LNK: | |
13c65ce9 | 1232 | p = reserve_space(xdr, 4); |
34558513 | 1233 | *p = cpu_to_be32(create->u.symlink.len); |
2fcc213a CL |
1234 | xdr_write_pages(xdr, create->u.symlink.pages, 0, |
1235 | create->u.symlink.len); | |
1236 | xdr->buf->flags |= XDRBUF_WRITE; | |
1da177e4 LT |
1237 | break; |
1238 | ||
1239 | case NF4BLK: case NF4CHR: | |
13c65ce9 | 1240 | p = reserve_space(xdr, 8); |
e75bc1c8 | 1241 | *p++ = cpu_to_be32(create->u.device.specdata1); |
34558513 | 1242 | *p = cpu_to_be32(create->u.device.specdata2); |
1da177e4 LT |
1243 | break; |
1244 | ||
1245 | default: | |
1246 | break; | |
1247 | } | |
1248 | ||
811652bd | 1249 | encode_string(xdr, create->name->len, create->name->name); |
28cf22d0 TM |
1250 | encode_attrs(xdr, create->attrs, create->label, &create->umask, |
1251 | create->server, create->server->attr_bitmask); | |
1da177e4 LT |
1252 | } |
1253 | ||
37c88763 TM |
1254 | static void encode_getattr(struct xdr_stream *xdr, |
1255 | const __u32 *bitmap, const __u32 *mask, size_t len, | |
1256 | struct compound_hdr *hdr) | |
dae100c2 | 1257 | { |
37c88763 | 1258 | __u32 masked_bitmap[nfs4_fattr_bitmap_maxsz]; |
dae100c2 | 1259 | |
ab19b481 | 1260 | encode_op_hdr(xdr, OP_GETATTR, decode_getattr_maxsz, hdr); |
37c88763 TM |
1261 | if (mask) { |
1262 | if (WARN_ON_ONCE(len > ARRAY_SIZE(masked_bitmap))) | |
1263 | len = ARRAY_SIZE(masked_bitmap); | |
1264 | len = mask_bitmap4(bitmap, mask, masked_bitmap, len); | |
1265 | bitmap = masked_bitmap; | |
dae100c2 | 1266 | } |
37c88763 | 1267 | xdr_encode_bitmap4(xdr, bitmap, len); |
dae100c2 FI |
1268 | } |
1269 | ||
cf8cdbe5 | 1270 | static void encode_getfattr(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
1da177e4 | 1271 | { |
37c88763 TM |
1272 | encode_getattr(xdr, nfs4_fattr_bitmap, bitmask, |
1273 | ARRAY_SIZE(nfs4_fattr_bitmap), hdr); | |
1da177e4 LT |
1274 | } |
1275 | ||
88034c3d | 1276 | static void encode_getfattr_open(struct xdr_stream *xdr, const u32 *bitmask, |
1549210f | 1277 | const u32 *open_bitmap, |
88034c3d AA |
1278 | struct compound_hdr *hdr) |
1279 | { | |
37c88763 | 1280 | encode_getattr(xdr, open_bitmap, bitmask, 3, hdr); |
88034c3d AA |
1281 | } |
1282 | ||
cf8cdbe5 | 1283 | static void encode_fsinfo(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
1da177e4 | 1284 | { |
37c88763 TM |
1285 | encode_getattr(xdr, nfs4_fsinfo_bitmap, bitmask, |
1286 | ARRAY_SIZE(nfs4_fsinfo_bitmap), hdr); | |
1da177e4 LT |
1287 | } |
1288 | ||
cf8cdbe5 | 1289 | static void encode_fs_locations(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
830b8e33 | 1290 | { |
37c88763 TM |
1291 | encode_getattr(xdr, nfs4_fs_locations_bitmap, bitmask, |
1292 | ARRAY_SIZE(nfs4_fs_locations_bitmap), hdr); | |
830b8e33 MN |
1293 | } |
1294 | ||
cf8cdbe5 | 1295 | static void encode_getfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1296 | { |
ab19b481 | 1297 | encode_op_hdr(xdr, OP_GETFH, decode_getfh_maxsz, hdr); |
1da177e4 LT |
1298 | } |
1299 | ||
cf8cdbe5 | 1300 | static void encode_link(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1301 | { |
ab19b481 | 1302 | encode_op_hdr(xdr, OP_LINK, decode_link_maxsz, hdr); |
6fdfb0bc | 1303 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1304 | } |
1305 | ||
911d1aaf TM |
1306 | static inline int nfs4_lock_type(struct file_lock *fl, int block) |
1307 | { | |
f44106e2 | 1308 | if (fl->fl_type == F_RDLCK) |
911d1aaf TM |
1309 | return block ? NFS4_READW_LT : NFS4_READ_LT; |
1310 | return block ? NFS4_WRITEW_LT : NFS4_WRITE_LT; | |
1311 | } | |
1312 | ||
1313 | static inline uint64_t nfs4_lock_length(struct file_lock *fl) | |
1314 | { | |
1315 | if (fl->fl_end == OFFSET_MAX) | |
1316 | return ~(uint64_t)0; | |
1317 | return fl->fl_end - fl->fl_start + 1; | |
1318 | } | |
1319 | ||
daccbded TM |
1320 | static void encode_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner) |
1321 | { | |
1322 | __be32 *p; | |
1323 | ||
d035c36c | 1324 | p = reserve_space(xdr, 32); |
daccbded | 1325 | p = xdr_encode_hyper(p, lowner->clientid); |
d035c36c | 1326 | *p++ = cpu_to_be32(20); |
daccbded | 1327 | p = xdr_encode_opaque_fixed(p, "lock id:", 8); |
d035c36c | 1328 | *p++ = cpu_to_be32(lowner->s_dev); |
daccbded TM |
1329 | xdr_encode_hyper(p, lowner->id); |
1330 | } | |
1331 | ||
1da177e4 LT |
1332 | /* |
1333 | * opcode,type,reclaim,offset,length,new_lock_owner = 32 | |
1334 | * open_seqid,open_stateid,lock_seqid,lock_owner.clientid, lock_owner.id = 40 | |
1335 | */ | |
cf8cdbe5 | 1336 | static void encode_lock(struct xdr_stream *xdr, const struct nfs_lock_args *args, struct compound_hdr *hdr) |
1da177e4 | 1337 | { |
8687b63a | 1338 | __be32 *p; |
1da177e4 | 1339 | |
475d4ba0 TM |
1340 | encode_op_hdr(xdr, OP_LOCK, decode_lock_maxsz, hdr); |
1341 | p = reserve_space(xdr, 28); | |
e75bc1c8 BH |
1342 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, args->block)); |
1343 | *p++ = cpu_to_be32(args->reclaim); | |
b95be5a9 BH |
1344 | p = xdr_encode_hyper(p, args->fl->fl_start); |
1345 | p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); | |
34558513 | 1346 | *p = cpu_to_be32(args->new_lock_owner); |
911d1aaf | 1347 | if (args->new_lock_owner){ |
4ade9821 | 1348 | encode_nfs4_seqid(xdr, args->open_seqid); |
425c1d4e | 1349 | encode_nfs4_stateid(xdr, &args->open_stateid); |
4ade9821 | 1350 | encode_nfs4_seqid(xdr, args->lock_seqid); |
daccbded | 1351 | encode_lockowner(xdr, &args->lock_owner); |
1da177e4 LT |
1352 | } |
1353 | else { | |
425c1d4e | 1354 | encode_nfs4_stateid(xdr, &args->lock_stateid); |
4ade9821 | 1355 | encode_nfs4_seqid(xdr, args->lock_seqid); |
1da177e4 | 1356 | } |
1da177e4 LT |
1357 | } |
1358 | ||
cf8cdbe5 | 1359 | static void encode_lockt(struct xdr_stream *xdr, const struct nfs_lockt_args *args, struct compound_hdr *hdr) |
1da177e4 | 1360 | { |
8687b63a | 1361 | __be32 *p; |
1da177e4 | 1362 | |
475d4ba0 TM |
1363 | encode_op_hdr(xdr, OP_LOCKT, decode_lockt_maxsz, hdr); |
1364 | p = reserve_space(xdr, 20); | |
e75bc1c8 | 1365 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, 0)); |
b95be5a9 BH |
1366 | p = xdr_encode_hyper(p, args->fl->fl_start); |
1367 | p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); | |
daccbded | 1368 | encode_lockowner(xdr, &args->lock_owner); |
1da177e4 LT |
1369 | } |
1370 | ||
cf8cdbe5 | 1371 | static void encode_locku(struct xdr_stream *xdr, const struct nfs_locku_args *args, struct compound_hdr *hdr) |
1da177e4 | 1372 | { |
8687b63a | 1373 | __be32 *p; |
1da177e4 | 1374 | |
475d4ba0 TM |
1375 | encode_op_hdr(xdr, OP_LOCKU, decode_locku_maxsz, hdr); |
1376 | encode_uint32(xdr, nfs4_lock_type(args->fl, 0)); | |
4ade9821 | 1377 | encode_nfs4_seqid(xdr, args->seqid); |
425c1d4e | 1378 | encode_nfs4_stateid(xdr, &args->stateid); |
ea9d23f5 | 1379 | p = reserve_space(xdr, 16); |
b95be5a9 | 1380 | p = xdr_encode_hyper(p, args->fl->fl_start); |
34558513 | 1381 | xdr_encode_hyper(p, nfs4_lock_length(args->fl)); |
1da177e4 LT |
1382 | } |
1383 | ||
d3c7b7cc TM |
1384 | static void encode_release_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner, struct compound_hdr *hdr) |
1385 | { | |
ab19b481 | 1386 | encode_op_hdr(xdr, OP_RELEASE_LOCKOWNER, decode_release_lockowner_maxsz, hdr); |
d3c7b7cc | 1387 | encode_lockowner(xdr, lowner); |
d3c7b7cc TM |
1388 | } |
1389 | ||
cf8cdbe5 | 1390 | static void encode_lookup(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1391 | { |
ab19b481 | 1392 | encode_op_hdr(xdr, OP_LOOKUP, decode_lookup_maxsz, hdr); |
6fdfb0bc | 1393 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1394 | } |
1395 | ||
5b5faaf6 JL |
1396 | static void encode_lookupp(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1397 | { | |
1398 | encode_op_hdr(xdr, OP_LOOKUPP, decode_lookupp_maxsz, hdr); | |
1399 | } | |
1400 | ||
6ae37339 | 1401 | static void encode_share_access(struct xdr_stream *xdr, u32 share_access) |
1da177e4 | 1402 | { |
8687b63a | 1403 | __be32 *p; |
1da177e4 | 1404 | |
13c65ce9 | 1405 | p = reserve_space(xdr, 8); |
6ae37339 | 1406 | *p++ = cpu_to_be32(share_access); |
34558513 | 1407 | *p = cpu_to_be32(0); /* for linux, share_deny = 0 always */ |
1da177e4 LT |
1408 | } |
1409 | ||
1410 | static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1411 | { | |
8687b63a | 1412 | __be32 *p; |
1da177e4 LT |
1413 | /* |
1414 | * opcode 4, seqid 4, share_access 4, share_deny 4, clientid 8, ownerlen 4, | |
1415 | * owner 4 = 32 | |
1416 | */ | |
4ade9821 | 1417 | encode_nfs4_seqid(xdr, arg->seqid); |
6ae37339 | 1418 | encode_share_access(xdr, arg->share_access); |
95b72eb0 | 1419 | p = reserve_space(xdr, 36); |
b95be5a9 | 1420 | p = xdr_encode_hyper(p, arg->clientid); |
95b72eb0 | 1421 | *p++ = cpu_to_be32(24); |
93f0cf25 | 1422 | p = xdr_encode_opaque_fixed(p, "open id:", 8); |
d035c36c | 1423 | *p++ = cpu_to_be32(arg->server->s_dev); |
95b72eb0 TM |
1424 | *p++ = cpu_to_be32(arg->id.uniquifier); |
1425 | xdr_encode_hyper(p, arg->id.create_time); | |
1da177e4 LT |
1426 | } |
1427 | ||
1428 | static inline void encode_createmode(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1429 | { | |
8687b63a | 1430 | __be32 *p; |
1da177e4 | 1431 | |
13c65ce9 | 1432 | p = reserve_space(xdr, 4); |
549b19cc TM |
1433 | switch(arg->createmode) { |
1434 | case NFS4_CREATE_UNCHECKED: | |
34558513 | 1435 | *p = cpu_to_be32(NFS4_CREATE_UNCHECKED); |
28cf22d0 TM |
1436 | encode_attrs(xdr, arg->u.attrs, arg->label, &arg->umask, |
1437 | arg->server, arg->server->attr_bitmask); | |
05d564fe | 1438 | break; |
549b19cc TM |
1439 | case NFS4_CREATE_GUARDED: |
1440 | *p = cpu_to_be32(NFS4_CREATE_GUARDED); | |
28cf22d0 TM |
1441 | encode_attrs(xdr, arg->u.attrs, arg->label, &arg->umask, |
1442 | arg->server, arg->server->attr_bitmask); | |
549b19cc TM |
1443 | break; |
1444 | case NFS4_CREATE_EXCLUSIVE: | |
1445 | *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE); | |
1446 | encode_nfs4_verifier(xdr, &arg->u.verifier); | |
1447 | break; | |
1448 | case NFS4_CREATE_EXCLUSIVE4_1: | |
1449 | *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE4_1); | |
1450 | encode_nfs4_verifier(xdr, &arg->u.verifier); | |
28cf22d0 TM |
1451 | encode_attrs(xdr, arg->u.attrs, arg->label, &arg->umask, |
1452 | arg->server, arg->server->exclcreat_bitmask); | |
1da177e4 LT |
1453 | } |
1454 | } | |
1455 | ||
1456 | static void encode_opentype(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1457 | { | |
8687b63a | 1458 | __be32 *p; |
1da177e4 | 1459 | |
13c65ce9 | 1460 | p = reserve_space(xdr, 4); |
1da177e4 | 1461 | switch (arg->open_flags & O_CREAT) { |
05d564fe | 1462 | case 0: |
34558513 | 1463 | *p = cpu_to_be32(NFS4_OPEN_NOCREATE); |
05d564fe AA |
1464 | break; |
1465 | default: | |
34558513 | 1466 | *p = cpu_to_be32(NFS4_OPEN_CREATE); |
05d564fe | 1467 | encode_createmode(xdr, arg); |
1da177e4 LT |
1468 | } |
1469 | } | |
1470 | ||
bd7bf9d5 | 1471 | static inline void encode_delegation_type(struct xdr_stream *xdr, fmode_t delegation_type) |
1da177e4 | 1472 | { |
8687b63a | 1473 | __be32 *p; |
1da177e4 | 1474 | |
13c65ce9 | 1475 | p = reserve_space(xdr, 4); |
1da177e4 | 1476 | switch (delegation_type) { |
05d564fe | 1477 | case 0: |
34558513 | 1478 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_NONE); |
05d564fe AA |
1479 | break; |
1480 | case FMODE_READ: | |
34558513 | 1481 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_READ); |
05d564fe AA |
1482 | break; |
1483 | case FMODE_WRITE|FMODE_READ: | |
34558513 | 1484 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_WRITE); |
05d564fe AA |
1485 | break; |
1486 | default: | |
1487 | BUG(); | |
1da177e4 LT |
1488 | } |
1489 | } | |
1490 | ||
1491 | static inline void encode_claim_null(struct xdr_stream *xdr, const struct qstr *name) | |
1492 | { | |
8687b63a | 1493 | __be32 *p; |
1da177e4 | 1494 | |
13c65ce9 | 1495 | p = reserve_space(xdr, 4); |
34558513 | 1496 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_NULL); |
1da177e4 LT |
1497 | encode_string(xdr, name->len, name->name); |
1498 | } | |
1499 | ||
bd7bf9d5 | 1500 | static inline void encode_claim_previous(struct xdr_stream *xdr, fmode_t type) |
1da177e4 | 1501 | { |
8687b63a | 1502 | __be32 *p; |
1da177e4 | 1503 | |
13c65ce9 | 1504 | p = reserve_space(xdr, 4); |
34558513 | 1505 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_PREVIOUS); |
1da177e4 LT |
1506 | encode_delegation_type(xdr, type); |
1507 | } | |
1508 | ||
1509 | static inline void encode_claim_delegate_cur(struct xdr_stream *xdr, const struct qstr *name, const nfs4_stateid *stateid) | |
1510 | { | |
8687b63a | 1511 | __be32 *p; |
1da177e4 | 1512 | |
ea9d23f5 TM |
1513 | p = reserve_space(xdr, 4); |
1514 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_DELEGATE_CUR); | |
1515 | encode_nfs4_stateid(xdr, stateid); | |
1da177e4 LT |
1516 | encode_string(xdr, name->len, name->name); |
1517 | } | |
1518 | ||
d9fc6619 TM |
1519 | static inline void encode_claim_fh(struct xdr_stream *xdr) |
1520 | { | |
1521 | __be32 *p; | |
1522 | ||
1523 | p = reserve_space(xdr, 4); | |
1524 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_FH); | |
1525 | } | |
1526 | ||
1527 | static inline void encode_claim_delegate_cur_fh(struct xdr_stream *xdr, const nfs4_stateid *stateid) | |
1528 | { | |
1529 | __be32 *p; | |
1530 | ||
1531 | p = reserve_space(xdr, 4); | |
1532 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_DELEG_CUR_FH); | |
1533 | encode_nfs4_stateid(xdr, stateid); | |
1534 | } | |
1535 | ||
cf8cdbe5 | 1536 | static void encode_open(struct xdr_stream *xdr, const struct nfs_openargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1537 | { |
ab19b481 | 1538 | encode_op_hdr(xdr, OP_OPEN, decode_open_maxsz, hdr); |
1da177e4 LT |
1539 | encode_openhdr(xdr, arg); |
1540 | encode_opentype(xdr, arg); | |
1541 | switch (arg->claim) { | |
05d564fe AA |
1542 | case NFS4_OPEN_CLAIM_NULL: |
1543 | encode_claim_null(xdr, arg->name); | |
1544 | break; | |
1545 | case NFS4_OPEN_CLAIM_PREVIOUS: | |
1546 | encode_claim_previous(xdr, arg->u.delegation_type); | |
1547 | break; | |
1548 | case NFS4_OPEN_CLAIM_DELEGATE_CUR: | |
1549 | encode_claim_delegate_cur(xdr, arg->name, &arg->u.delegation); | |
1550 | break; | |
d9fc6619 TM |
1551 | case NFS4_OPEN_CLAIM_FH: |
1552 | encode_claim_fh(xdr); | |
1553 | break; | |
1554 | case NFS4_OPEN_CLAIM_DELEG_CUR_FH: | |
1555 | encode_claim_delegate_cur_fh(xdr, &arg->u.delegation); | |
1556 | break; | |
05d564fe AA |
1557 | default: |
1558 | BUG(); | |
1da177e4 | 1559 | } |
1da177e4 LT |
1560 | } |
1561 | ||
cf8cdbe5 | 1562 | static void encode_open_confirm(struct xdr_stream *xdr, const struct nfs_open_confirmargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1563 | { |
ab19b481 | 1564 | encode_op_hdr(xdr, OP_OPEN_CONFIRM, decode_open_confirm_maxsz, hdr); |
ea9d23f5 | 1565 | encode_nfs4_stateid(xdr, arg->stateid); |
4ade9821 | 1566 | encode_nfs4_seqid(xdr, arg->seqid); |
1da177e4 LT |
1567 | } |
1568 | ||
cf8cdbe5 | 1569 | static void encode_open_downgrade(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1570 | { |
ab19b481 | 1571 | encode_op_hdr(xdr, OP_OPEN_DOWNGRADE, decode_open_downgrade_maxsz, hdr); |
566fcec6 | 1572 | encode_nfs4_stateid(xdr, &arg->stateid); |
4ade9821 | 1573 | encode_nfs4_seqid(xdr, arg->seqid); |
6ae37339 | 1574 | encode_share_access(xdr, arg->share_access); |
1da177e4 LT |
1575 | } |
1576 | ||
cf8cdbe5 | 1577 | static void |
d017931c | 1578 | encode_putfh(struct xdr_stream *xdr, const struct nfs_fh *fh, struct compound_hdr *hdr) |
1da177e4 | 1579 | { |
ab19b481 | 1580 | encode_op_hdr(xdr, OP_PUTFH, decode_putfh_maxsz, hdr); |
6fdfb0bc | 1581 | encode_string(xdr, fh->size, fh->data); |
1da177e4 LT |
1582 | } |
1583 | ||
cf8cdbe5 | 1584 | static void encode_putrootfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1585 | { |
ab19b481 | 1586 | encode_op_hdr(xdr, OP_PUTROOTFH, decode_putrootfh_maxsz, hdr); |
1da177e4 LT |
1587 | } |
1588 | ||
3c6b899c AS |
1589 | static void encode_read(struct xdr_stream *xdr, const struct nfs_pgio_args *args, |
1590 | struct compound_hdr *hdr) | |
1da177e4 | 1591 | { |
8687b63a | 1592 | __be32 *p; |
1da177e4 | 1593 | |
ab19b481 | 1594 | encode_op_hdr(xdr, OP_READ, decode_read_maxsz, hdr); |
9b206149 | 1595 | encode_nfs4_stateid(xdr, &args->stateid); |
1da177e4 | 1596 | |
13c65ce9 | 1597 | p = reserve_space(xdr, 12); |
b95be5a9 | 1598 | p = xdr_encode_hyper(p, args->offset); |
34558513 | 1599 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1600 | } |
1601 | ||
cf8cdbe5 | 1602 | static void encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg *readdir, struct rpc_rqst *req, struct compound_hdr *hdr) |
1da177e4 | 1603 | { |
aa9c2669 | 1604 | uint32_t attrs[3] = { |
28331a46 TM |
1605 | FATTR4_WORD0_RDATTR_ERROR, |
1606 | FATTR4_WORD1_MOUNTED_ON_FILEID, | |
1607 | }; | |
6f7a35bd | 1608 | uint32_t dircount = readdir->count >> 1; |
cd93710e | 1609 | __be32 *p, verf[2]; |
d204c5d2 TM |
1610 | uint32_t attrlen = 0; |
1611 | unsigned int i; | |
1da177e4 | 1612 | |
82f2e547 BS |
1613 | if (readdir->plus) { |
1614 | attrs[0] |= FATTR4_WORD0_TYPE|FATTR4_WORD0_CHANGE|FATTR4_WORD0_SIZE| | |
28331a46 | 1615 | FATTR4_WORD0_FSID|FATTR4_WORD0_FILEHANDLE|FATTR4_WORD0_FILEID; |
82f2e547 BS |
1616 | attrs[1] |= FATTR4_WORD1_MODE|FATTR4_WORD1_NUMLINKS|FATTR4_WORD1_OWNER| |
1617 | FATTR4_WORD1_OWNER_GROUP|FATTR4_WORD1_RAWDEV| | |
1618 | FATTR4_WORD1_SPACE_USED|FATTR4_WORD1_TIME_ACCESS| | |
1619 | FATTR4_WORD1_TIME_METADATA|FATTR4_WORD1_TIME_MODIFY; | |
d204c5d2 | 1620 | attrs[2] |= FATTR4_WORD2_SECURITY_LABEL; |
6f7a35bd | 1621 | dircount >>= 1; |
82f2e547 | 1622 | } |
28331a46 TM |
1623 | /* Use mounted_on_fileid only if the server supports it */ |
1624 | if (!(readdir->bitmask[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) | |
1625 | attrs[0] |= FATTR4_WORD0_FILEID; | |
d204c5d2 TM |
1626 | for (i = 0; i < ARRAY_SIZE(attrs); i++) { |
1627 | attrs[i] &= readdir->bitmask[i]; | |
1628 | if (attrs[i] != 0) | |
1629 | attrlen = i+1; | |
1630 | } | |
82f2e547 | 1631 | |
475d4ba0 | 1632 | encode_op_hdr(xdr, OP_READDIR, decode_readdir_maxsz, hdr); |
ff2eb681 | 1633 | encode_uint64(xdr, readdir->cookie); |
cd93710e | 1634 | encode_nfs4_verifier(xdr, &readdir->verifier); |
d204c5d2 | 1635 | p = reserve_space(xdr, 12 + (attrlen << 2)); |
6f7a35bd | 1636 | *p++ = cpu_to_be32(dircount); |
e75bc1c8 | 1637 | *p++ = cpu_to_be32(readdir->count); |
d204c5d2 TM |
1638 | *p++ = cpu_to_be32(attrlen); |
1639 | for (i = 0; i < attrlen; i++) | |
1640 | *p++ = cpu_to_be32(attrs[i]); | |
cd93710e | 1641 | memcpy(verf, readdir->verifier.data, sizeof(verf)); |
aa9c2669 DQ |
1642 | |
1643 | dprintk("%s: cookie = %llu, verifier = %08x:%08x, bitmap = %08x:%08x:%08x\n", | |
44109241 | 1644 | __func__, |
eadf4598 | 1645 | (unsigned long long)readdir->cookie, |
cd93710e | 1646 | verf[0], verf[1], |
eadf4598 | 1647 | attrs[0] & readdir->bitmask[0], |
aa9c2669 DQ |
1648 | attrs[1] & readdir->bitmask[1], |
1649 | attrs[2] & readdir->bitmask[2]); | |
1da177e4 LT |
1650 | } |
1651 | ||
cf8cdbe5 | 1652 | static void encode_readlink(struct xdr_stream *xdr, const struct nfs4_readlink *readlink, struct rpc_rqst *req, struct compound_hdr *hdr) |
1da177e4 | 1653 | { |
ab19b481 | 1654 | encode_op_hdr(xdr, OP_READLINK, decode_readlink_maxsz, hdr); |
1da177e4 LT |
1655 | } |
1656 | ||
cf8cdbe5 | 1657 | static void encode_remove(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1658 | { |
ab19b481 | 1659 | encode_op_hdr(xdr, OP_REMOVE, decode_remove_maxsz, hdr); |
6fdfb0bc | 1660 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1661 | } |
1662 | ||
cf8cdbe5 | 1663 | static void encode_rename(struct xdr_stream *xdr, const struct qstr *oldname, const struct qstr *newname, struct compound_hdr *hdr) |
1da177e4 | 1664 | { |
ab19b481 | 1665 | encode_op_hdr(xdr, OP_RENAME, decode_rename_maxsz, hdr); |
811652bd BH |
1666 | encode_string(xdr, oldname->len, oldname->name); |
1667 | encode_string(xdr, newname->len, newname->name); | |
1da177e4 LT |
1668 | } |
1669 | ||
bb4dae5e CL |
1670 | static void encode_renew(struct xdr_stream *xdr, clientid4 clid, |
1671 | struct compound_hdr *hdr) | |
1da177e4 | 1672 | { |
475d4ba0 | 1673 | encode_op_hdr(xdr, OP_RENEW, decode_renew_maxsz, hdr); |
ff2eb681 | 1674 | encode_uint64(xdr, clid); |
1da177e4 LT |
1675 | } |
1676 | ||
cf8cdbe5 | 1677 | static void |
d017931c | 1678 | encode_restorefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
56ae19f3 | 1679 | { |
ab19b481 | 1680 | encode_op_hdr(xdr, OP_RESTOREFH, decode_restorefh_maxsz, hdr); |
56ae19f3 TM |
1681 | } |
1682 | ||
9f06c719 | 1683 | static void |
fcc85819 CH |
1684 | encode_setacl(struct xdr_stream *xdr, const struct nfs_setaclargs *arg, |
1685 | struct compound_hdr *hdr) | |
23ec6965 | 1686 | { |
8687b63a | 1687 | __be32 *p; |
23ec6965 | 1688 | |
ab19b481 | 1689 | encode_op_hdr(xdr, OP_SETATTR, decode_setacl_maxsz, hdr); |
ea9d23f5 | 1690 | encode_nfs4_stateid(xdr, &zero_stateid); |
13c65ce9 | 1691 | p = reserve_space(xdr, 2*4); |
e75bc1c8 | 1692 | *p++ = cpu_to_be32(1); |
34558513 | 1693 | *p = cpu_to_be32(FATTR4_WORD0_ACL); |
13c65ce9 | 1694 | p = reserve_space(xdr, 4); |
34558513 | 1695 | *p = cpu_to_be32(arg->acl_len); |
8fbcf237 | 1696 | xdr_write_pages(xdr, arg->acl_pages, 0, arg->acl_len); |
23ec6965 BF |
1697 | } |
1698 | ||
cf8cdbe5 | 1699 | static void |
d017931c | 1700 | encode_savefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1701 | { |
ab19b481 | 1702 | encode_op_hdr(xdr, OP_SAVEFH, decode_savefh_maxsz, hdr); |
1da177e4 LT |
1703 | } |
1704 | ||
cf8cdbe5 | 1705 | static void encode_setattr(struct xdr_stream *xdr, const struct nfs_setattrargs *arg, const struct nfs_server *server, struct compound_hdr *hdr) |
1da177e4 | 1706 | { |
ab19b481 | 1707 | encode_op_hdr(xdr, OP_SETATTR, decode_setattr_maxsz, hdr); |
ea9d23f5 | 1708 | encode_nfs4_stateid(xdr, &arg->stateid); |
28cf22d0 TM |
1709 | encode_attrs(xdr, arg->iap, arg->label, NULL, server, |
1710 | server->attr_bitmask); | |
1da177e4 LT |
1711 | } |
1712 | ||
cf8cdbe5 | 1713 | static void encode_setclientid(struct xdr_stream *xdr, const struct nfs4_setclientid *setclientid, struct compound_hdr *hdr) |
1da177e4 | 1714 | { |
8687b63a | 1715 | __be32 *p; |
1da177e4 | 1716 | |
70019514 | 1717 | encode_op_hdr(xdr, OP_SETCLIENTID, decode_setclientid_maxsz, hdr); |
cd93710e | 1718 | encode_nfs4_verifier(xdr, setclientid->sc_verifier); |
1da177e4 | 1719 | |
3a6bb738 JL |
1720 | encode_string(xdr, strlen(setclientid->sc_clnt->cl_owner_id), |
1721 | setclientid->sc_clnt->cl_owner_id); | |
13c65ce9 | 1722 | p = reserve_space(xdr, 4); |
34558513 | 1723 | *p = cpu_to_be32(setclientid->sc_prog); |
1da177e4 LT |
1724 | encode_string(xdr, setclientid->sc_netid_len, setclientid->sc_netid); |
1725 | encode_string(xdr, setclientid->sc_uaddr_len, setclientid->sc_uaddr); | |
13c65ce9 | 1726 | p = reserve_space(xdr, 4); |
3a6bb738 | 1727 | *p = cpu_to_be32(setclientid->sc_clnt->cl_cb_ident); |
1da177e4 LT |
1728 | } |
1729 | ||
bb8b27e5 | 1730 | static void encode_setclientid_confirm(struct xdr_stream *xdr, const struct nfs4_setclientid_res *arg, struct compound_hdr *hdr) |
1da177e4 | 1731 | { |
475d4ba0 TM |
1732 | encode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM, |
1733 | decode_setclientid_confirm_maxsz, hdr); | |
ff2eb681 | 1734 | encode_uint64(xdr, arg->clientid); |
cd93710e | 1735 | encode_nfs4_verifier(xdr, &arg->confirm); |
1da177e4 LT |
1736 | } |
1737 | ||
3c6b899c AS |
1738 | static void encode_write(struct xdr_stream *xdr, const struct nfs_pgio_args *args, |
1739 | struct compound_hdr *hdr) | |
1da177e4 | 1740 | { |
8687b63a | 1741 | __be32 *p; |
1da177e4 | 1742 | |
ab19b481 | 1743 | encode_op_hdr(xdr, OP_WRITE, decode_write_maxsz, hdr); |
9b206149 | 1744 | encode_nfs4_stateid(xdr, &args->stateid); |
1da177e4 | 1745 | |
13c65ce9 | 1746 | p = reserve_space(xdr, 16); |
b95be5a9 | 1747 | p = xdr_encode_hyper(p, args->offset); |
e75bc1c8 | 1748 | *p++ = cpu_to_be32(args->stable); |
34558513 | 1749 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1750 | |
1751 | xdr_write_pages(xdr, args->pages, args->pgbase, args->count); | |
1da177e4 LT |
1752 | } |
1753 | ||
cf8cdbe5 | 1754 | static void encode_delegreturn(struct xdr_stream *xdr, const nfs4_stateid *stateid, struct compound_hdr *hdr) |
1da177e4 | 1755 | { |
ab19b481 | 1756 | encode_op_hdr(xdr, OP_DELEGRETURN, decode_delegreturn_maxsz, hdr); |
ea9d23f5 | 1757 | encode_nfs4_stateid(xdr, stateid); |
1da177e4 | 1758 | } |
9b7b9fcc | 1759 | |
5a5ea0d4 BS |
1760 | static void encode_secinfo(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1761 | { | |
ab19b481 | 1762 | encode_op_hdr(xdr, OP_SECINFO, decode_secinfo_maxsz, hdr); |
6fdfb0bc | 1763 | encode_string(xdr, name->len, name->name); |
5a5ea0d4 BS |
1764 | } |
1765 | ||
99fe60d0 | 1766 | #if defined(CONFIG_NFS_V4_1) |
9b7b9fcc | 1767 | /* NFSv4.1 operations */ |
7c44f1ae | 1768 | static void encode_bind_conn_to_session(struct xdr_stream *xdr, |
fcc85819 | 1769 | const struct nfs41_bind_conn_to_session_args *args, |
7c44f1ae WAA |
1770 | struct compound_hdr *hdr) |
1771 | { | |
1772 | __be32 *p; | |
1773 | ||
1774 | encode_op_hdr(xdr, OP_BIND_CONN_TO_SESSION, | |
1775 | decode_bind_conn_to_session_maxsz, hdr); | |
71a097c6 | 1776 | encode_opaque_fixed(xdr, args->sessionid.data, NFS4_MAX_SESSIONID_LEN); |
7c44f1ae | 1777 | p = xdr_reserve_space(xdr, 8); |
71a097c6 TM |
1778 | *p++ = cpu_to_be32(args->dir); |
1779 | *p = (args->use_conn_in_rdma_mode) ? cpu_to_be32(1) : cpu_to_be32(0); | |
7c44f1ae WAA |
1780 | } |
1781 | ||
fcc85819 | 1782 | static void encode_op_map(struct xdr_stream *xdr, const struct nfs4_op_map *op_map) |
2031cd1a WAA |
1783 | { |
1784 | unsigned int i; | |
1785 | encode_uint32(xdr, NFS4_OP_MAP_NUM_WORDS); | |
1786 | for (i = 0; i < NFS4_OP_MAP_NUM_WORDS; i++) | |
1787 | encode_uint32(xdr, op_map->u.words[i]); | |
1788 | } | |
1789 | ||
99fe60d0 | 1790 | static void encode_exchange_id(struct xdr_stream *xdr, |
fcc85819 | 1791 | const struct nfs41_exchange_id_args *args, |
99fe60d0 BH |
1792 | struct compound_hdr *hdr) |
1793 | { | |
1794 | __be32 *p; | |
d751f748 | 1795 | char impl_name[IMPL_NAME_LIMIT]; |
db8ac8ba | 1796 | int len = 0; |
99fe60d0 | 1797 | |
70019514 | 1798 | encode_op_hdr(xdr, OP_EXCHANGE_ID, decode_exchange_id_maxsz, hdr); |
fd40559c | 1799 | encode_nfs4_verifier(xdr, &args->verifier); |
99fe60d0 | 1800 | |
3a6bb738 JL |
1801 | encode_string(xdr, strlen(args->client->cl_owner_id), |
1802 | args->client->cl_owner_id); | |
99fe60d0 | 1803 | |
2031cd1a WAA |
1804 | encode_uint32(xdr, args->flags); |
1805 | encode_uint32(xdr, args->state_protect.how); | |
1806 | ||
1807 | switch (args->state_protect.how) { | |
1808 | case SP4_NONE: | |
1809 | break; | |
1810 | case SP4_MACH_CRED: | |
1811 | encode_op_map(xdr, &args->state_protect.enforce); | |
1812 | encode_op_map(xdr, &args->state_protect.allow); | |
1813 | break; | |
1814 | default: | |
1815 | WARN_ON_ONCE(1); | |
1816 | break; | |
1817 | } | |
db8ac8ba WAA |
1818 | |
1819 | if (send_implementation_id && | |
1820 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) > 1 && | |
1821 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) | |
d751f748 | 1822 | <= sizeof(impl_name) + 1) |
db8ac8ba WAA |
1823 | len = snprintf(impl_name, sizeof(impl_name), "%s %s %s %s", |
1824 | utsname()->sysname, utsname()->release, | |
1825 | utsname()->version, utsname()->machine); | |
1826 | ||
1827 | if (len > 0) { | |
2031cd1a | 1828 | encode_uint32(xdr, 1); /* implementation id array length=1 */ |
db8ac8ba WAA |
1829 | |
1830 | encode_string(xdr, | |
1831 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) - 1, | |
1832 | CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN); | |
1833 | encode_string(xdr, len, impl_name); | |
1834 | /* just send zeros for nii_date - the date is in nii_name */ | |
1835 | p = reserve_space(xdr, 12); | |
1836 | p = xdr_encode_hyper(p, 0); | |
1837 | *p = cpu_to_be32(0); | |
1838 | } else | |
2031cd1a | 1839 | encode_uint32(xdr, 0); /* implementation id array length=0 */ |
99fe60d0 | 1840 | } |
fc931582 AA |
1841 | |
1842 | static void encode_create_session(struct xdr_stream *xdr, | |
fcc85819 | 1843 | const struct nfs41_create_session_args *args, |
fc931582 AA |
1844 | struct compound_hdr *hdr) |
1845 | { | |
1846 | __be32 *p; | |
fc931582 | 1847 | struct nfs_client *clp = args->client; |
89f0ff38 | 1848 | struct rpc_clnt *clnt = clp->cl_rpcclient; |
f092075d | 1849 | struct nfs_net *nn = net_generic(clp->cl_net, nfs_net_id); |
8e0d46e1 MS |
1850 | u32 max_resp_sz_cached; |
1851 | ||
1852 | /* | |
1853 | * Assumes OPEN is the biggest non-idempotent compound. | |
1854 | * 2 is the verifier. | |
1855 | */ | |
35c036ef BF |
1856 | max_resp_sz_cached = (NFS4_dec_open_sz + RPC_REPHDRSIZE + 2) |
1857 | * XDR_UNIT + RPC_MAX_AUTH_SIZE; | |
fc931582 | 1858 | |
475d4ba0 | 1859 | encode_op_hdr(xdr, OP_CREATE_SESSION, decode_create_session_maxsz, hdr); |
89f0ff38 | 1860 | p = reserve_space(xdr, 16 + 2*28 + 20 + clnt->cl_nodelen + 12); |
79969dd1 TM |
1861 | p = xdr_encode_hyper(p, args->clientid); |
1862 | *p++ = cpu_to_be32(args->seqid); /*Sequence id */ | |
e75bc1c8 | 1863 | *p++ = cpu_to_be32(args->flags); /*flags */ |
fc931582 | 1864 | |
fc931582 | 1865 | /* Fore Channel */ |
c9c30dd5 | 1866 | *p++ = cpu_to_be32(0); /* header padding size */ |
e75bc1c8 BH |
1867 | *p++ = cpu_to_be32(args->fc_attrs.max_rqst_sz); /* max req size */ |
1868 | *p++ = cpu_to_be32(args->fc_attrs.max_resp_sz); /* max resp size */ | |
8e0d46e1 | 1869 | *p++ = cpu_to_be32(max_resp_sz_cached); /* Max resp sz cached */ |
e75bc1c8 BH |
1870 | *p++ = cpu_to_be32(args->fc_attrs.max_ops); /* max operations */ |
1871 | *p++ = cpu_to_be32(args->fc_attrs.max_reqs); /* max requests */ | |
1872 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ | |
fc931582 AA |
1873 | |
1874 | /* Back Channel */ | |
c9c30dd5 | 1875 | *p++ = cpu_to_be32(0); /* header padding size */ |
e75bc1c8 BH |
1876 | *p++ = cpu_to_be32(args->bc_attrs.max_rqst_sz); /* max req size */ |
1877 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz); /* max resp size */ | |
1878 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz_cached); /* Max resp sz cached */ | |
1879 | *p++ = cpu_to_be32(args->bc_attrs.max_ops); /* max operations */ | |
1880 | *p++ = cpu_to_be32(args->bc_attrs.max_reqs); /* max requests */ | |
1881 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ | |
fc931582 | 1882 | |
e75bc1c8 | 1883 | *p++ = cpu_to_be32(args->cb_program); /* cb_program */ |
e75bc1c8 | 1884 | *p++ = cpu_to_be32(1); |
e75bc1c8 | 1885 | *p++ = cpu_to_be32(RPC_AUTH_UNIX); /* auth_sys */ |
fc931582 AA |
1886 | |
1887 | /* authsys_parms rfc1831 */ | |
2f86e091 | 1888 | *p++ = cpu_to_be32(ktime_to_ns(nn->boot_time)); /* stamp */ |
89f0ff38 | 1889 | p = xdr_encode_array(p, clnt->cl_nodename, clnt->cl_nodelen); |
e75bc1c8 BH |
1890 | *p++ = cpu_to_be32(0); /* UID */ |
1891 | *p++ = cpu_to_be32(0); /* GID */ | |
34558513 | 1892 | *p = cpu_to_be32(0); /* No more gids */ |
fc931582 | 1893 | } |
0f3e66c6 AA |
1894 | |
1895 | static void encode_destroy_session(struct xdr_stream *xdr, | |
fcc85819 | 1896 | const struct nfs4_session *session, |
0f3e66c6 AA |
1897 | struct compound_hdr *hdr) |
1898 | { | |
475d4ba0 TM |
1899 | encode_op_hdr(xdr, OP_DESTROY_SESSION, decode_destroy_session_maxsz, hdr); |
1900 | encode_opaque_fixed(xdr, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); | |
0f3e66c6 | 1901 | } |
18019753 | 1902 | |
66245539 TM |
1903 | static void encode_destroy_clientid(struct xdr_stream *xdr, |
1904 | uint64_t clientid, | |
1905 | struct compound_hdr *hdr) | |
1906 | { | |
1907 | encode_op_hdr(xdr, OP_DESTROY_CLIENTID, decode_destroy_clientid_maxsz, hdr); | |
1908 | encode_uint64(xdr, clientid); | |
1909 | } | |
1910 | ||
18019753 | 1911 | static void encode_reclaim_complete(struct xdr_stream *xdr, |
fcc85819 | 1912 | const struct nfs41_reclaim_complete_args *args, |
18019753 RL |
1913 | struct compound_hdr *hdr) |
1914 | { | |
475d4ba0 TM |
1915 | encode_op_hdr(xdr, OP_RECLAIM_COMPLETE, decode_reclaim_complete_maxsz, hdr); |
1916 | encode_uint32(xdr, args->one_fs); | |
18019753 | 1917 | } |
99fe60d0 BH |
1918 | #endif /* CONFIG_NFS_V4_1 */ |
1919 | ||
9b7b9fcc AA |
1920 | static void encode_sequence(struct xdr_stream *xdr, |
1921 | const struct nfs4_sequence_args *args, | |
1922 | struct compound_hdr *hdr) | |
1923 | { | |
1924 | #if defined(CONFIG_NFS_V4_1) | |
2b2fa717 | 1925 | struct nfs4_session *session; |
fc01cea9 | 1926 | struct nfs4_slot_table *tp; |
2b2fa717 | 1927 | struct nfs4_slot *slot = args->sa_slot; |
fc01cea9 | 1928 | __be32 *p; |
9b7b9fcc | 1929 | |
2b2fa717 TM |
1930 | tp = slot->table; |
1931 | session = tp->session; | |
3bd2384a CL |
1932 | if (!session) |
1933 | return; | |
fc01cea9 | 1934 | |
475d4ba0 | 1935 | encode_op_hdr(xdr, OP_SEQUENCE, decode_sequence_maxsz, hdr); |
fc01cea9 AA |
1936 | |
1937 | /* | |
1938 | * Sessionid + seqid + slotid + max slotid + cache_this | |
1939 | */ | |
1940 | dprintk("%s: sessionid=%u:%u:%u:%u seqid=%d slotid=%d " | |
1941 | "max_slotid=%d cache_this=%d\n", | |
1942 | __func__, | |
1943 | ((u32 *)session->sess_id.data)[0], | |
1944 | ((u32 *)session->sess_id.data)[1], | |
1945 | ((u32 *)session->sess_id.data)[2], | |
1946 | ((u32 *)session->sess_id.data)[3], | |
2b2fa717 | 1947 | slot->seq_nr, slot->slot_nr, |
fc01cea9 | 1948 | tp->highest_used_slotid, args->sa_cache_this); |
475d4ba0 | 1949 | p = reserve_space(xdr, NFS4_MAX_SESSIONID_LEN + 16); |
93f0cf25 | 1950 | p = xdr_encode_opaque_fixed(p, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); |
e75bc1c8 | 1951 | *p++ = cpu_to_be32(slot->seq_nr); |
2b2fa717 | 1952 | *p++ = cpu_to_be32(slot->slot_nr); |
e75bc1c8 | 1953 | *p++ = cpu_to_be32(tp->highest_used_slotid); |
34558513 | 1954 | *p = cpu_to_be32(args->sa_cache_this); |
9b7b9fcc AA |
1955 | #endif /* CONFIG_NFS_V4_1 */ |
1956 | } | |
1957 | ||
b1f69b75 AA |
1958 | #ifdef CONFIG_NFS_V4_1 |
1959 | static void | |
1960 | encode_getdeviceinfo(struct xdr_stream *xdr, | |
1961 | const struct nfs4_getdeviceinfo_args *args, | |
1962 | struct compound_hdr *hdr) | |
1963 | { | |
1964 | __be32 *p; | |
1965 | ||
475d4ba0 | 1966 | encode_op_hdr(xdr, OP_GETDEVICEINFO, decode_getdeviceinfo_maxsz, hdr); |
84c9dee3 | 1967 | p = reserve_space(xdr, NFS4_DEVICEID4_SIZE + 4 + 4); |
b1f69b75 AA |
1968 | p = xdr_encode_opaque_fixed(p, args->pdev->dev_id.data, |
1969 | NFS4_DEVICEID4_SIZE); | |
1970 | *p++ = cpu_to_be32(args->pdev->layout_type); | |
f1c097be | 1971 | *p++ = cpu_to_be32(args->pdev->maxcount); /* gdia_maxcount */ |
84c9dee3 CH |
1972 | |
1973 | p = reserve_space(xdr, 4 + 4); | |
1974 | *p++ = cpu_to_be32(1); /* bitmap length */ | |
4e590803 | 1975 | *p++ = cpu_to_be32(args->notify_types); |
b1f69b75 AA |
1976 | } |
1977 | ||
1978 | static void | |
1979 | encode_layoutget(struct xdr_stream *xdr, | |
1980 | const struct nfs4_layoutget_args *args, | |
1981 | struct compound_hdr *hdr) | |
1982 | { | |
b1f69b75 AA |
1983 | __be32 *p; |
1984 | ||
475d4ba0 TM |
1985 | encode_op_hdr(xdr, OP_LAYOUTGET, decode_layoutget_maxsz, hdr); |
1986 | p = reserve_space(xdr, 36); | |
b1f69b75 AA |
1987 | *p++ = cpu_to_be32(0); /* Signal layout available */ |
1988 | *p++ = cpu_to_be32(args->type); | |
1989 | *p++ = cpu_to_be32(args->range.iomode); | |
1990 | p = xdr_encode_hyper(p, args->range.offset); | |
1991 | p = xdr_encode_hyper(p, args->range.length); | |
1992 | p = xdr_encode_hyper(p, args->minlength); | |
ea9d23f5 | 1993 | encode_nfs4_stateid(xdr, &args->stateid); |
475d4ba0 | 1994 | encode_uint32(xdr, args->maxcount); |
b1f69b75 AA |
1995 | |
1996 | dprintk("%s: 1st type:0x%x iomode:%d off:%lu len:%lu mc:%d\n", | |
1997 | __func__, | |
1998 | args->type, | |
1999 | args->range.iomode, | |
2000 | (unsigned long)args->range.offset, | |
2001 | (unsigned long)args->range.length, | |
2002 | args->maxcount); | |
b1f69b75 | 2003 | } |
863a3c6c AA |
2004 | |
2005 | static int | |
2006 | encode_layoutcommit(struct xdr_stream *xdr, | |
ac7db726 | 2007 | struct inode *inode, |
fcc85819 | 2008 | const struct nfs4_layoutcommit_args *args, |
863a3c6c AA |
2009 | struct compound_hdr *hdr) |
2010 | { | |
2011 | __be32 *p; | |
2012 | ||
2013 | dprintk("%s: lbw: %llu type: %d\n", __func__, args->lastbytewritten, | |
2014 | NFS_SERVER(args->inode)->pnfs_curr_ld->id); | |
2015 | ||
475d4ba0 TM |
2016 | encode_op_hdr(xdr, OP_LAYOUTCOMMIT, decode_layoutcommit_maxsz, hdr); |
2017 | p = reserve_space(xdr, 20); | |
863a3c6c AA |
2018 | /* Only whole file layouts */ |
2019 | p = xdr_encode_hyper(p, 0); /* offset */ | |
3557c6c3 | 2020 | p = xdr_encode_hyper(p, args->lastbytewritten + 1); /* length */ |
ea9d23f5 TM |
2021 | *p = cpu_to_be32(0); /* reclaim */ |
2022 | encode_nfs4_stateid(xdr, &args->stateid); | |
2e18d4d8 TM |
2023 | if (args->lastbytewritten != U64_MAX) { |
2024 | p = reserve_space(xdr, 20); | |
2025 | *p++ = cpu_to_be32(1); /* newoffset = TRUE */ | |
2026 | p = xdr_encode_hyper(p, args->lastbytewritten); | |
2027 | } else { | |
2028 | p = reserve_space(xdr, 12); | |
2029 | *p++ = cpu_to_be32(0); /* newoffset = FALSE */ | |
2030 | } | |
863a3c6c AA |
2031 | *p++ = cpu_to_be32(0); /* Never send time_modify_changed */ |
2032 | *p++ = cpu_to_be32(NFS_SERVER(args->inode)->pnfs_curr_ld->id);/* type */ | |
ac7db726 | 2033 | |
73504740 TM |
2034 | encode_uint32(xdr, args->layoutupdate_len); |
2035 | if (args->layoutupdate_pages) | |
2036 | xdr_write_pages(xdr, args->layoutupdate_pages, 0, | |
2037 | args->layoutupdate_len); | |
863a3c6c | 2038 | |
863a3c6c AA |
2039 | return 0; |
2040 | } | |
cbe82603 BH |
2041 | |
2042 | static void | |
2043 | encode_layoutreturn(struct xdr_stream *xdr, | |
2044 | const struct nfs4_layoutreturn_args *args, | |
2045 | struct compound_hdr *hdr) | |
2046 | { | |
2047 | __be32 *p; | |
2048 | ||
475d4ba0 TM |
2049 | encode_op_hdr(xdr, OP_LAYOUTRETURN, decode_layoutreturn_maxsz, hdr); |
2050 | p = reserve_space(xdr, 16); | |
cbe82603 BH |
2051 | *p++ = cpu_to_be32(0); /* reclaim. always 0 for now */ |
2052 | *p++ = cpu_to_be32(args->layout_type); | |
15eb67c1 | 2053 | *p++ = cpu_to_be32(args->range.iomode); |
cbe82603 | 2054 | *p = cpu_to_be32(RETURN_FILE); |
ea9d23f5 | 2055 | p = reserve_space(xdr, 16); |
15eb67c1 PT |
2056 | p = xdr_encode_hyper(p, args->range.offset); |
2057 | p = xdr_encode_hyper(p, args->range.length); | |
cbe82603 | 2058 | spin_lock(&args->inode->i_lock); |
ea9d23f5 | 2059 | encode_nfs4_stateid(xdr, &args->stateid); |
cbe82603 | 2060 | spin_unlock(&args->inode->i_lock); |
4d796d75 TM |
2061 | if (args->ld_private->ops && args->ld_private->ops->encode) |
2062 | args->ld_private->ops->encode(xdr, args, args->ld_private); | |
94e5c571 | 2063 | else |
475d4ba0 | 2064 | encode_uint32(xdr, 0); |
cbe82603 | 2065 | } |
fca78d6d BS |
2066 | |
2067 | static int | |
2068 | encode_secinfo_no_name(struct xdr_stream *xdr, | |
2069 | const struct nfs41_secinfo_no_name_args *args, | |
2070 | struct compound_hdr *hdr) | |
2071 | { | |
475d4ba0 TM |
2072 | encode_op_hdr(xdr, OP_SECINFO_NO_NAME, decode_secinfo_no_name_maxsz, hdr); |
2073 | encode_uint32(xdr, args->style); | |
fca78d6d BS |
2074 | return 0; |
2075 | } | |
7d974794 BS |
2076 | |
2077 | static void encode_test_stateid(struct xdr_stream *xdr, | |
fcc85819 | 2078 | const struct nfs41_test_stateid_args *args, |
7d974794 BS |
2079 | struct compound_hdr *hdr) |
2080 | { | |
475d4ba0 TM |
2081 | encode_op_hdr(xdr, OP_TEST_STATEID, decode_test_stateid_maxsz, hdr); |
2082 | encode_uint32(xdr, 1); | |
ea9d23f5 | 2083 | encode_nfs4_stateid(xdr, args->stateid); |
7d974794 | 2084 | } |
9aeda35f BS |
2085 | |
2086 | static void encode_free_stateid(struct xdr_stream *xdr, | |
fcc85819 | 2087 | const struct nfs41_free_stateid_args *args, |
9aeda35f BS |
2088 | struct compound_hdr *hdr) |
2089 | { | |
ab19b481 | 2090 | encode_op_hdr(xdr, OP_FREE_STATEID, decode_free_stateid_maxsz, hdr); |
7c1d5fae | 2091 | encode_nfs4_stateid(xdr, &args->stateid); |
9aeda35f | 2092 | } |
cf805165 TM |
2093 | #else |
2094 | static inline void | |
2095 | encode_layoutreturn(struct xdr_stream *xdr, | |
2096 | const struct nfs4_layoutreturn_args *args, | |
2097 | struct compound_hdr *hdr) | |
2098 | { | |
2099 | } | |
56f487f8 FI |
2100 | |
2101 | static void | |
2102 | encode_layoutget(struct xdr_stream *xdr, | |
2103 | const struct nfs4_layoutget_args *args, | |
2104 | struct compound_hdr *hdr) | |
2105 | { | |
2106 | } | |
b1f69b75 AA |
2107 | #endif /* CONFIG_NFS_V4_1 */ |
2108 | ||
1da177e4 LT |
2109 | /* |
2110 | * END OF "GENERIC" ENCODE ROUTINES. | |
2111 | */ | |
2112 | ||
66cc0429 BH |
2113 | static u32 nfs4_xdr_minorversion(const struct nfs4_sequence_args *args) |
2114 | { | |
2115 | #if defined(CONFIG_NFS_V4_1) | |
3bd2384a CL |
2116 | struct nfs4_session *session = args->sa_slot->table->session; |
2117 | if (session) | |
2118 | return session->clp->cl_mvops->minor_version; | |
66cc0429 BH |
2119 | #endif /* CONFIG_NFS_V4_1 */ |
2120 | return 0; | |
2121 | } | |
2122 | ||
1da177e4 LT |
2123 | /* |
2124 | * Encode an ACCESS request | |
2125 | */ | |
9f06c719 | 2126 | static void nfs4_xdr_enc_access(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 2127 | const void *data) |
1da177e4 | 2128 | { |
fcc85819 | 2129 | const struct nfs4_accessargs *args = data; |
1da177e4 | 2130 | struct compound_hdr hdr = { |
66cc0429 | 2131 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2132 | }; |
1da177e4 | 2133 | |
9f06c719 CL |
2134 | encode_compound_hdr(xdr, req, &hdr); |
2135 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2136 | encode_putfh(xdr, args->fh, &hdr); | |
2137 | encode_access(xdr, args->access, &hdr); | |
8bcbe7d9 TM |
2138 | if (args->bitmask) |
2139 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2140 | encode_nops(&hdr); |
1da177e4 LT |
2141 | } |
2142 | ||
2143 | /* | |
2144 | * Encode LOOKUP request | |
2145 | */ | |
9f06c719 | 2146 | static void nfs4_xdr_enc_lookup(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 2147 | const void *data) |
1da177e4 | 2148 | { |
fcc85819 | 2149 | const struct nfs4_lookup_arg *args = data; |
1da177e4 | 2150 | struct compound_hdr hdr = { |
66cc0429 | 2151 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2152 | }; |
1da177e4 | 2153 | |
9f06c719 CL |
2154 | encode_compound_hdr(xdr, req, &hdr); |
2155 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2156 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2157 | encode_lookup(xdr, args->name, &hdr); | |
2158 | encode_getfh(xdr, &hdr); | |
2159 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2160 | encode_nops(&hdr); |
1da177e4 LT |
2161 | } |
2162 | ||
5b5faaf6 JL |
2163 | /* |
2164 | * Encode LOOKUPP request | |
2165 | */ | |
2166 | static void nfs4_xdr_enc_lookupp(struct rpc_rqst *req, struct xdr_stream *xdr, | |
2167 | const void *data) | |
2168 | { | |
2169 | const struct nfs4_lookupp_arg *args = data; | |
2170 | struct compound_hdr hdr = { | |
2171 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2172 | }; | |
2173 | ||
2174 | encode_compound_hdr(xdr, req, &hdr); | |
2175 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2176 | encode_putfh(xdr, args->fh, &hdr); | |
2177 | encode_lookupp(xdr, &hdr); | |
2178 | encode_getfh(xdr, &hdr); | |
2179 | encode_getfattr(xdr, args->bitmask, &hdr); | |
2180 | encode_nops(&hdr); | |
2181 | } | |
2182 | ||
1da177e4 LT |
2183 | /* |
2184 | * Encode LOOKUP_ROOT request | |
2185 | */ | |
9f06c719 CL |
2186 | static void nfs4_xdr_enc_lookup_root(struct rpc_rqst *req, |
2187 | struct xdr_stream *xdr, | |
fcc85819 | 2188 | const void *data) |
1da177e4 | 2189 | { |
fcc85819 | 2190 | const struct nfs4_lookup_root_arg *args = data; |
1da177e4 | 2191 | struct compound_hdr hdr = { |
66cc0429 | 2192 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2193 | }; |
1da177e4 | 2194 | |
9f06c719 CL |
2195 | encode_compound_hdr(xdr, req, &hdr); |
2196 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2197 | encode_putrootfh(xdr, &hdr); | |
2198 | encode_getfh(xdr, &hdr); | |
2199 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2200 | encode_nops(&hdr); |
1da177e4 LT |
2201 | } |
2202 | ||
2203 | /* | |
2204 | * Encode REMOVE request | |
2205 | */ | |
9f06c719 | 2206 | static void nfs4_xdr_enc_remove(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 2207 | const void *data) |
1da177e4 | 2208 | { |
fcc85819 | 2209 | const struct nfs_removeargs *args = data; |
1da177e4 | 2210 | struct compound_hdr hdr = { |
66cc0429 | 2211 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2212 | }; |
1da177e4 | 2213 | |
9f06c719 CL |
2214 | encode_compound_hdr(xdr, req, &hdr); |
2215 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2216 | encode_putfh(xdr, args->fh, &hdr); | |
2217 | encode_remove(xdr, &args->name, &hdr); | |
d017931c | 2218 | encode_nops(&hdr); |
1da177e4 LT |
2219 | } |
2220 | ||
2221 | /* | |
2222 | * Encode RENAME request | |
2223 | */ | |
9f06c719 | 2224 | static void nfs4_xdr_enc_rename(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 2225 | const void *data) |
1da177e4 | 2226 | { |
fcc85819 | 2227 | const struct nfs_renameargs *args = data; |
1da177e4 | 2228 | struct compound_hdr hdr = { |
66cc0429 | 2229 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2230 | }; |
1da177e4 | 2231 | |
9f06c719 CL |
2232 | encode_compound_hdr(xdr, req, &hdr); |
2233 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2234 | encode_putfh(xdr, args->old_dir, &hdr); | |
2235 | encode_savefh(xdr, &hdr); | |
2236 | encode_putfh(xdr, args->new_dir, &hdr); | |
2237 | encode_rename(xdr, args->old_name, args->new_name, &hdr); | |
d017931c | 2238 | encode_nops(&hdr); |
1da177e4 LT |
2239 | } |
2240 | ||
2241 | /* | |
2242 | * Encode LINK request | |
2243 | */ | |
9f06c719 | 2244 | static void nfs4_xdr_enc_link(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 2245 | const void *data) |
1da177e4 | 2246 | { |
fcc85819 | 2247 | const struct nfs4_link_arg *args = data; |
1da177e4 | 2248 | struct compound_hdr hdr = { |
66cc0429 | 2249 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2250 | }; |
1da177e4 | 2251 | |
9f06c719 CL |
2252 | encode_compound_hdr(xdr, req, &hdr); |
2253 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2254 | encode_putfh(xdr, args->fh, &hdr); | |
2255 | encode_savefh(xdr, &hdr); | |
2256 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2257 | encode_link(xdr, args->name, &hdr); | |
9f06c719 CL |
2258 | encode_restorefh(xdr, &hdr); |
2259 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2260 | encode_nops(&hdr); |
1da177e4 LT |
2261 | } |
2262 | ||
2263 | /* | |
2264 | * Encode CREATE request | |
2265 | */ | |
9f06c719 | 2266 | static void nfs4_xdr_enc_create(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 2267 | const void *data) |
1da177e4 | 2268 | { |
fcc85819 | 2269 | const struct nfs4_create_arg *args = data; |
1da177e4 | 2270 | struct compound_hdr hdr = { |
66cc0429 | 2271 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2272 | }; |
1da177e4 | 2273 | |
9f06c719 CL |
2274 | encode_compound_hdr(xdr, req, &hdr); |
2275 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2276 | encode_putfh(xdr, args->dir_fh, &hdr); | |
9f06c719 CL |
2277 | encode_create(xdr, args, &hdr); |
2278 | encode_getfh(xdr, &hdr); | |
2279 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2280 | encode_nops(&hdr); |
1da177e4 LT |
2281 | } |
2282 | ||
2283 | /* | |
2284 | * Encode SYMLINK request | |
2285 | */ | |
9f06c719 | 2286 | static void nfs4_xdr_enc_symlink(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 2287 | const void *data) |
1da177e4 | 2288 | { |
fcc85819 CH |
2289 | const struct nfs4_create_arg *args = data; |
2290 | ||
9f06c719 | 2291 | nfs4_xdr_enc_create(req, xdr, args); |
1da177e4 LT |
2292 | } |
2293 | ||
2294 | /* | |
2295 | * Encode GETATTR request | |
2296 | */ | |
9f06c719 | 2297 | static void nfs4_xdr_enc_getattr(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 2298 | const void *data) |
1da177e4 | 2299 | { |
fcc85819 | 2300 | const struct nfs4_getattr_arg *args = data; |
1da177e4 | 2301 | struct compound_hdr hdr = { |
66cc0429 | 2302 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2303 | }; |
1da177e4 | 2304 | |
9f06c719 CL |
2305 | encode_compound_hdr(xdr, req, &hdr); |
2306 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2307 | encode_putfh(xdr, args->fh, &hdr); | |
2308 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2309 | encode_nops(&hdr); |
1da177e4 LT |
2310 | } |
2311 | ||
2312 | /* | |
2313 | * Encode a CLOSE request | |
2314 | */ | |
9f06c719 | 2315 | static void nfs4_xdr_enc_close(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 2316 | const void *data) |
1da177e4 | 2317 | { |
fcc85819 | 2318 | const struct nfs_closeargs *args = data; |
05d564fe | 2319 | struct compound_hdr hdr = { |
66cc0429 | 2320 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 2321 | }; |
05d564fe | 2322 | |
9f06c719 CL |
2323 | encode_compound_hdr(xdr, req, &hdr); |
2324 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2325 | encode_putfh(xdr, args->fh, &hdr); | |
cf805165 TM |
2326 | if (args->lr_args) |
2327 | encode_layoutreturn(xdr, args->lr_args, &hdr); | |
3ecefc92 TM |
2328 | if (args->bitmask != NULL) |
2329 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d8d84983 | 2330 | encode_close(xdr, args, &hdr); |
d017931c | 2331 | encode_nops(&hdr); |
1da177e4 LT |
2332 | } |
2333 | ||
2334 | /* | |
2335 | * Encode an OPEN request | |
2336 | */ | |
9f06c719 | 2337 | static void nfs4_xdr_enc_open(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 2338 | const void *data) |
1da177e4 | 2339 | { |
fcc85819 | 2340 | const struct nfs_openargs *args = data; |
1da177e4 | 2341 | struct compound_hdr hdr = { |
66cc0429 | 2342 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2343 | }; |
1da177e4 | 2344 | |
9f06c719 CL |
2345 | encode_compound_hdr(xdr, req, &hdr); |
2346 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2347 | encode_putfh(xdr, args->fh, &hdr); | |
9f06c719 CL |
2348 | encode_open(xdr, args, &hdr); |
2349 | encode_getfh(xdr, &hdr); | |
ae2bb032 WAA |
2350 | if (args->access) |
2351 | encode_access(xdr, args->access, &hdr); | |
1549210f | 2352 | encode_getfattr_open(xdr, args->bitmask, args->open_bitmap, &hdr); |
56f487f8 FI |
2353 | if (args->lg_args) { |
2354 | encode_layoutget(xdr, args->lg_args, &hdr); | |
cf500bac CL |
2355 | rpc_prepare_reply_pages(req, args->lg_args->layout.pages, 0, |
2356 | args->lg_args->layout.pglen, | |
9ed5af26 | 2357 | hdr.replen - pagepad_maxsz); |
56f487f8 | 2358 | } |
d017931c | 2359 | encode_nops(&hdr); |
1da177e4 LT |
2360 | } |
2361 | ||
2362 | /* | |
2363 | * Encode an OPEN_CONFIRM request | |
2364 | */ | |
9f06c719 CL |
2365 | static void nfs4_xdr_enc_open_confirm(struct rpc_rqst *req, |
2366 | struct xdr_stream *xdr, | |
fcc85819 | 2367 | const void *data) |
1da177e4 | 2368 | { |
fcc85819 | 2369 | const struct nfs_open_confirmargs *args = data; |
1da177e4 | 2370 | struct compound_hdr hdr = { |
d017931c | 2371 | .nops = 0, |
1da177e4 | 2372 | }; |
1da177e4 | 2373 | |
9f06c719 CL |
2374 | encode_compound_hdr(xdr, req, &hdr); |
2375 | encode_putfh(xdr, args->fh, &hdr); | |
2376 | encode_open_confirm(xdr, args, &hdr); | |
d017931c | 2377 | encode_nops(&hdr); |
1da177e4 LT |
2378 | } |
2379 | ||
2380 | /* | |
2381 | * Encode an OPEN request with no attributes. | |
2382 | */ | |
9f06c719 CL |
2383 | static void nfs4_xdr_enc_open_noattr(struct rpc_rqst *req, |
2384 | struct xdr_stream *xdr, | |
fcc85819 | 2385 | const void *data) |
1da177e4 | 2386 | { |
fcc85819 | 2387 | const struct nfs_openargs *args = data; |
1da177e4 | 2388 | struct compound_hdr hdr = { |
66cc0429 | 2389 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2390 | }; |
1da177e4 | 2391 | |
9f06c719 CL |
2392 | encode_compound_hdr(xdr, req, &hdr); |
2393 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2394 | encode_putfh(xdr, args->fh, &hdr); | |
2395 | encode_open(xdr, args, &hdr); | |
ae2bb032 WAA |
2396 | if (args->access) |
2397 | encode_access(xdr, args->access, &hdr); | |
e23008ec | 2398 | encode_getfattr_open(xdr, args->bitmask, args->open_bitmap, &hdr); |
56f487f8 FI |
2399 | if (args->lg_args) { |
2400 | encode_layoutget(xdr, args->lg_args, &hdr); | |
cf500bac CL |
2401 | rpc_prepare_reply_pages(req, args->lg_args->layout.pages, 0, |
2402 | args->lg_args->layout.pglen, | |
9ed5af26 | 2403 | hdr.replen - pagepad_maxsz); |
56f487f8 | 2404 | } |
d017931c | 2405 | encode_nops(&hdr); |
1da177e4 LT |
2406 | } |
2407 | ||
2408 | /* | |
2409 | * Encode an OPEN_DOWNGRADE request | |
2410 | */ | |
9f06c719 CL |
2411 | static void nfs4_xdr_enc_open_downgrade(struct rpc_rqst *req, |
2412 | struct xdr_stream *xdr, | |
fcc85819 | 2413 | const void *data) |
1da177e4 | 2414 | { |
fcc85819 | 2415 | const struct nfs_closeargs *args = data; |
1da177e4 | 2416 | struct compound_hdr hdr = { |
66cc0429 | 2417 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2418 | }; |
1da177e4 | 2419 | |
9f06c719 CL |
2420 | encode_compound_hdr(xdr, req, &hdr); |
2421 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2422 | encode_putfh(xdr, args->fh, &hdr); | |
b6808145 TM |
2423 | if (args->lr_args) |
2424 | encode_layoutreturn(xdr, args->lr_args, &hdr); | |
9f06c719 | 2425 | encode_open_downgrade(xdr, args, &hdr); |
d017931c | 2426 | encode_nops(&hdr); |
1da177e4 LT |
2427 | } |
2428 | ||
2429 | /* | |
2430 | * Encode a LOCK request | |
2431 | */ | |
9f06c719 | 2432 | static void nfs4_xdr_enc_lock(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 2433 | const void *data) |
1da177e4 | 2434 | { |
fcc85819 | 2435 | const struct nfs_lock_args *args = data; |
1da177e4 | 2436 | struct compound_hdr hdr = { |
66cc0429 | 2437 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2438 | }; |
1da177e4 | 2439 | |
9f06c719 CL |
2440 | encode_compound_hdr(xdr, req, &hdr); |
2441 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2442 | encode_putfh(xdr, args->fh, &hdr); | |
2443 | encode_lock(xdr, args, &hdr); | |
d017931c | 2444 | encode_nops(&hdr); |
1da177e4 LT |
2445 | } |
2446 | ||
2447 | /* | |
2448 | * Encode a LOCKT request | |
2449 | */ | |
9f06c719 | 2450 | static void nfs4_xdr_enc_lockt(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 2451 | const void *data) |
1da177e4 | 2452 | { |
fcc85819 | 2453 | const struct nfs_lockt_args *args = data; |
1da177e4 | 2454 | struct compound_hdr hdr = { |
66cc0429 | 2455 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2456 | }; |
1da177e4 | 2457 | |
9f06c719 CL |
2458 | encode_compound_hdr(xdr, req, &hdr); |
2459 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2460 | encode_putfh(xdr, args->fh, &hdr); | |
2461 | encode_lockt(xdr, args, &hdr); | |
d017931c | 2462 | encode_nops(&hdr); |
1da177e4 LT |
2463 | } |
2464 | ||
2465 | /* | |
2466 | * Encode a LOCKU request | |
2467 | */ | |
9f06c719 | 2468 | static void nfs4_xdr_enc_locku(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 2469 | const void *data) |
1da177e4 | 2470 | { |
fcc85819 | 2471 | const struct nfs_locku_args *args = data; |
1da177e4 | 2472 | struct compound_hdr hdr = { |
66cc0429 | 2473 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2474 | }; |
1da177e4 | 2475 | |
9f06c719 CL |
2476 | encode_compound_hdr(xdr, req, &hdr); |
2477 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2478 | encode_putfh(xdr, args->fh, &hdr); | |
2479 | encode_locku(xdr, args, &hdr); | |
d017931c | 2480 | encode_nops(&hdr); |
1da177e4 LT |
2481 | } |
2482 | ||
9f06c719 CL |
2483 | static void nfs4_xdr_enc_release_lockowner(struct rpc_rqst *req, |
2484 | struct xdr_stream *xdr, | |
fcc85819 | 2485 | const void *data) |
d3c7b7cc | 2486 | { |
fcc85819 | 2487 | const struct nfs_release_lockowner_args *args = data; |
d3c7b7cc TM |
2488 | struct compound_hdr hdr = { |
2489 | .minorversion = 0, | |
2490 | }; | |
2491 | ||
9f06c719 CL |
2492 | encode_compound_hdr(xdr, req, &hdr); |
2493 | encode_release_lockowner(xdr, &args->lock_owner, &hdr); | |
d3c7b7cc | 2494 | encode_nops(&hdr); |
d3c7b7cc TM |
2495 | } |
2496 | ||
1da177e4 LT |
2497 | /* |
2498 | * Encode a READLINK request | |
2499 | */ | |
9f06c719 | 2500 | static void nfs4_xdr_enc_readlink(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 2501 | const void *data) |
1da177e4 | 2502 | { |
fcc85819 | 2503 | const struct nfs4_readlink *args = data; |
1da177e4 | 2504 | struct compound_hdr hdr = { |
66cc0429 | 2505 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2506 | }; |
1da177e4 | 2507 | |
9f06c719 CL |
2508 | encode_compound_hdr(xdr, req, &hdr); |
2509 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2510 | encode_putfh(xdr, args->fh, &hdr); | |
2511 | encode_readlink(xdr, args, req, &hdr); | |
e3a535e1 | 2512 | |
cf500bac | 2513 | rpc_prepare_reply_pages(req, args->pages, args->pgbase, |
9ed5af26 | 2514 | args->pglen, hdr.replen - pagepad_maxsz); |
d017931c | 2515 | encode_nops(&hdr); |
1da177e4 LT |
2516 | } |
2517 | ||
2518 | /* | |
2519 | * Encode a READDIR request | |
2520 | */ | |
9f06c719 | 2521 | static void nfs4_xdr_enc_readdir(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 2522 | const void *data) |
1da177e4 | 2523 | { |
fcc85819 | 2524 | const struct nfs4_readdir_arg *args = data; |
1da177e4 | 2525 | struct compound_hdr hdr = { |
66cc0429 | 2526 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2527 | }; |
1da177e4 | 2528 | |
9f06c719 CL |
2529 | encode_compound_hdr(xdr, req, &hdr); |
2530 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2531 | encode_putfh(xdr, args->fh, &hdr); | |
2532 | encode_readdir(xdr, args, req, &hdr); | |
d6ac02df | 2533 | |
cf500bac | 2534 | rpc_prepare_reply_pages(req, args->pages, args->pgbase, |
9ed5af26 | 2535 | args->count, hdr.replen - pagepad_maxsz); |
d017931c | 2536 | encode_nops(&hdr); |
1da177e4 LT |
2537 | } |
2538 | ||
2539 | /* | |
2540 | * Encode a READ request | |
2541 | */ | |
9f06c719 | 2542 | static void nfs4_xdr_enc_read(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 2543 | const void *data) |
1da177e4 | 2544 | { |
fcc85819 | 2545 | const struct nfs_pgio_args *args = data; |
1da177e4 | 2546 | struct compound_hdr hdr = { |
66cc0429 | 2547 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2548 | }; |
1da177e4 | 2549 | |
9f06c719 CL |
2550 | encode_compound_hdr(xdr, req, &hdr); |
2551 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2552 | encode_putfh(xdr, args->fh, &hdr); | |
2553 | encode_read(xdr, args, &hdr); | |
1da177e4 | 2554 | |
cf500bac | 2555 | rpc_prepare_reply_pages(req, args->pages, args->pgbase, |
9ed5af26 | 2556 | args->count, hdr.replen - pagepad_maxsz); |
4f22ccc3 | 2557 | req->rq_rcv_buf.flags |= XDRBUF_READ; |
d017931c | 2558 | encode_nops(&hdr); |
1da177e4 LT |
2559 | } |
2560 | ||
2561 | /* | |
2562 | * Encode an SETATTR request | |
2563 | */ | |
9f06c719 | 2564 | static void nfs4_xdr_enc_setattr(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 2565 | const void *data) |
1da177e4 | 2566 | { |
fcc85819 | 2567 | const struct nfs_setattrargs *args = data; |
05d564fe | 2568 | struct compound_hdr hdr = { |
66cc0429 | 2569 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 2570 | }; |
05d564fe | 2571 | |
9f06c719 CL |
2572 | encode_compound_hdr(xdr, req, &hdr); |
2573 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2574 | encode_putfh(xdr, args->fh, &hdr); | |
2575 | encode_setattr(xdr, args, args->server, &hdr); | |
2576 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2577 | encode_nops(&hdr); |
1da177e4 LT |
2578 | } |
2579 | ||
029d105e BF |
2580 | /* |
2581 | * Encode a GETACL request | |
2582 | */ | |
9f06c719 | 2583 | static void nfs4_xdr_enc_getacl(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 2584 | const void *data) |
029d105e | 2585 | { |
fcc85819 | 2586 | const struct nfs_getaclargs *args = data; |
029d105e | 2587 | struct compound_hdr hdr = { |
66cc0429 | 2588 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
029d105e | 2589 | }; |
37c88763 TM |
2590 | const __u32 nfs4_acl_bitmap[1] = { |
2591 | [0] = FATTR4_WORD0_ACL, | |
2592 | }; | |
28f56694 | 2593 | uint32_t replen; |
029d105e | 2594 | |
9f06c719 CL |
2595 | encode_compound_hdr(xdr, req, &hdr); |
2596 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2597 | encode_putfh(xdr, args->fh, &hdr); | |
6682c14b | 2598 | replen = hdr.replen + op_decode_hdr_maxsz; |
37c88763 TM |
2599 | encode_getattr(xdr, nfs4_acl_bitmap, NULL, |
2600 | ARRAY_SIZE(nfs4_acl_bitmap), &hdr); | |
cf8cdbe5 | 2601 | |
cf500bac | 2602 | rpc_prepare_reply_pages(req, args->acl_pages, 0, |
9ed5af26 | 2603 | args->acl_len, replen); |
d017931c | 2604 | encode_nops(&hdr); |
029d105e BF |
2605 | } |
2606 | ||
1da177e4 LT |
2607 | /* |
2608 | * Encode a WRITE request | |
2609 | */ | |
9f06c719 | 2610 | static void nfs4_xdr_enc_write(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 2611 | const void *data) |
1da177e4 | 2612 | { |
fcc85819 | 2613 | const struct nfs_pgio_args *args = data; |
1da177e4 | 2614 | struct compound_hdr hdr = { |
66cc0429 | 2615 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2616 | }; |
1da177e4 | 2617 | |
9f06c719 CL |
2618 | encode_compound_hdr(xdr, req, &hdr); |
2619 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2620 | encode_putfh(xdr, args->fh, &hdr); | |
2621 | encode_write(xdr, args, &hdr); | |
4f22ccc3 | 2622 | req->rq_snd_buf.flags |= XDRBUF_WRITE; |
7ffd1064 FI |
2623 | if (args->bitmask) |
2624 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2625 | encode_nops(&hdr); |
1da177e4 LT |
2626 | } |
2627 | ||
2628 | /* | |
2629 | * a COMMIT request | |
2630 | */ | |
9f06c719 | 2631 | static void nfs4_xdr_enc_commit(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 2632 | const void *data) |
1da177e4 | 2633 | { |
fcc85819 | 2634 | const struct nfs_commitargs *args = data; |
1da177e4 | 2635 | struct compound_hdr hdr = { |
66cc0429 | 2636 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2637 | }; |
1da177e4 | 2638 | |
9f06c719 CL |
2639 | encode_compound_hdr(xdr, req, &hdr); |
2640 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2641 | encode_putfh(xdr, args->fh, &hdr); | |
2642 | encode_commit(xdr, args, &hdr); | |
d017931c | 2643 | encode_nops(&hdr); |
1da177e4 LT |
2644 | } |
2645 | ||
2646 | /* | |
2647 | * FSINFO request | |
2648 | */ | |
9f06c719 | 2649 | static void nfs4_xdr_enc_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 2650 | const void *data) |
1da177e4 | 2651 | { |
fcc85819 | 2652 | const struct nfs4_fsinfo_arg *args = data; |
1da177e4 | 2653 | struct compound_hdr hdr = { |
66cc0429 | 2654 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2655 | }; |
1da177e4 | 2656 | |
9f06c719 CL |
2657 | encode_compound_hdr(xdr, req, &hdr); |
2658 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2659 | encode_putfh(xdr, args->fh, &hdr); | |
2660 | encode_fsinfo(xdr, args->bitmask, &hdr); | |
d017931c | 2661 | encode_nops(&hdr); |
1da177e4 LT |
2662 | } |
2663 | ||
2664 | /* | |
2665 | * a PATHCONF request | |
2666 | */ | |
9f06c719 | 2667 | static void nfs4_xdr_enc_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 2668 | const void *data) |
1da177e4 | 2669 | { |
fcc85819 | 2670 | const struct nfs4_pathconf_arg *args = data; |
1da177e4 | 2671 | struct compound_hdr hdr = { |
66cc0429 | 2672 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2673 | }; |
1da177e4 | 2674 | |
9f06c719 CL |
2675 | encode_compound_hdr(xdr, req, &hdr); |
2676 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2677 | encode_putfh(xdr, args->fh, &hdr); | |
37c88763 TM |
2678 | encode_getattr(xdr, nfs4_pathconf_bitmap, args->bitmask, |
2679 | ARRAY_SIZE(nfs4_pathconf_bitmap), &hdr); | |
d017931c | 2680 | encode_nops(&hdr); |
1da177e4 LT |
2681 | } |
2682 | ||
2683 | /* | |
2684 | * a STATFS request | |
2685 | */ | |
9f06c719 | 2686 | static void nfs4_xdr_enc_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 2687 | const void *data) |
1da177e4 | 2688 | { |
fcc85819 | 2689 | const struct nfs4_statfs_arg *args = data; |
1da177e4 | 2690 | struct compound_hdr hdr = { |
66cc0429 | 2691 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2692 | }; |
1da177e4 | 2693 | |
9f06c719 CL |
2694 | encode_compound_hdr(xdr, req, &hdr); |
2695 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2696 | encode_putfh(xdr, args->fh, &hdr); | |
37c88763 TM |
2697 | encode_getattr(xdr, nfs4_statfs_bitmap, args->bitmask, |
2698 | ARRAY_SIZE(nfs4_statfs_bitmap), &hdr); | |
d017931c | 2699 | encode_nops(&hdr); |
1da177e4 LT |
2700 | } |
2701 | ||
2702 | /* | |
2703 | * GETATTR_BITMAP request | |
2704 | */ | |
9f06c719 CL |
2705 | static void nfs4_xdr_enc_server_caps(struct rpc_rqst *req, |
2706 | struct xdr_stream *xdr, | |
fcc85819 | 2707 | const void *data) |
1da177e4 | 2708 | { |
fcc85819 | 2709 | const struct nfs4_server_caps_arg *args = data; |
8c61282f | 2710 | const u32 *bitmask = args->bitmask; |
1da177e4 | 2711 | struct compound_hdr hdr = { |
66cc0429 | 2712 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2713 | }; |
1da177e4 | 2714 | |
9f06c719 CL |
2715 | encode_compound_hdr(xdr, req, &hdr); |
2716 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2717 | encode_putfh(xdr, args->fhandle, &hdr); | |
37c88763 | 2718 | encode_getattr(xdr, bitmask, NULL, 3, &hdr); |
d017931c | 2719 | encode_nops(&hdr); |
1da177e4 LT |
2720 | } |
2721 | ||
2722 | /* | |
2723 | * a RENEW request | |
2724 | */ | |
9f06c719 | 2725 | static void nfs4_xdr_enc_renew(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 CH |
2726 | const void *data) |
2727 | ||
1da177e4 | 2728 | { |
fcc85819 | 2729 | const struct nfs_client *clp = data; |
1da177e4 | 2730 | struct compound_hdr hdr = { |
d017931c | 2731 | .nops = 0, |
1da177e4 LT |
2732 | }; |
2733 | ||
9f06c719 | 2734 | encode_compound_hdr(xdr, req, &hdr); |
bb4dae5e | 2735 | encode_renew(xdr, clp->cl_clientid, &hdr); |
d017931c | 2736 | encode_nops(&hdr); |
1da177e4 LT |
2737 | } |
2738 | ||
2739 | /* | |
2740 | * a SETCLIENTID request | |
2741 | */ | |
9f06c719 CL |
2742 | static void nfs4_xdr_enc_setclientid(struct rpc_rqst *req, |
2743 | struct xdr_stream *xdr, | |
fcc85819 | 2744 | const void *data) |
1da177e4 | 2745 | { |
fcc85819 | 2746 | const struct nfs4_setclientid *sc = data; |
1da177e4 | 2747 | struct compound_hdr hdr = { |
d017931c | 2748 | .nops = 0, |
1da177e4 LT |
2749 | }; |
2750 | ||
9f06c719 CL |
2751 | encode_compound_hdr(xdr, req, &hdr); |
2752 | encode_setclientid(xdr, sc, &hdr); | |
d017931c | 2753 | encode_nops(&hdr); |
1da177e4 LT |
2754 | } |
2755 | ||
2756 | /* | |
2757 | * a SETCLIENTID_CONFIRM request | |
2758 | */ | |
9f06c719 CL |
2759 | static void nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, |
2760 | struct xdr_stream *xdr, | |
fcc85819 | 2761 | const void *data) |
1da177e4 | 2762 | { |
fcc85819 | 2763 | const struct nfs4_setclientid_res *arg = data; |
1da177e4 | 2764 | struct compound_hdr hdr = { |
d017931c | 2765 | .nops = 0, |
1da177e4 | 2766 | }; |
1da177e4 | 2767 | |
9f06c719 CL |
2768 | encode_compound_hdr(xdr, req, &hdr); |
2769 | encode_setclientid_confirm(xdr, arg, &hdr); | |
d017931c | 2770 | encode_nops(&hdr); |
1da177e4 LT |
2771 | } |
2772 | ||
2773 | /* | |
2774 | * DELEGRETURN request | |
2775 | */ | |
9f06c719 CL |
2776 | static void nfs4_xdr_enc_delegreturn(struct rpc_rqst *req, |
2777 | struct xdr_stream *xdr, | |
fcc85819 | 2778 | const void *data) |
1da177e4 | 2779 | { |
fcc85819 | 2780 | const struct nfs4_delegreturnargs *args = data; |
1da177e4 | 2781 | struct compound_hdr hdr = { |
66cc0429 | 2782 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2783 | }; |
1da177e4 | 2784 | |
9f06c719 CL |
2785 | encode_compound_hdr(xdr, req, &hdr); |
2786 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2787 | encode_putfh(xdr, args->fhandle, &hdr); | |
586f1c39 TM |
2788 | if (args->lr_args) |
2789 | encode_layoutreturn(xdr, args->lr_args, &hdr); | |
8ac2b422 TM |
2790 | if (args->bitmask) |
2791 | encode_getfattr(xdr, args->bitmask, &hdr); | |
e144cbcc | 2792 | encode_delegreturn(xdr, args->stateid, &hdr); |
d017931c | 2793 | encode_nops(&hdr); |
1da177e4 LT |
2794 | } |
2795 | ||
683b57b4 TM |
2796 | /* |
2797 | * Encode FS_LOCATIONS request | |
2798 | */ | |
9f06c719 CL |
2799 | static void nfs4_xdr_enc_fs_locations(struct rpc_rqst *req, |
2800 | struct xdr_stream *xdr, | |
fcc85819 | 2801 | const void *data) |
683b57b4 | 2802 | { |
fcc85819 | 2803 | const struct nfs4_fs_locations_arg *args = data; |
683b57b4 | 2804 | struct compound_hdr hdr = { |
66cc0429 | 2805 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
683b57b4 | 2806 | }; |
28f56694 | 2807 | uint32_t replen; |
683b57b4 | 2808 | |
9f06c719 CL |
2809 | encode_compound_hdr(xdr, req, &hdr); |
2810 | encode_sequence(xdr, &args->seq_args, &hdr); | |
b03d735b CL |
2811 | if (args->migration) { |
2812 | encode_putfh(xdr, args->fh, &hdr); | |
2813 | replen = hdr.replen; | |
2814 | encode_fs_locations(xdr, args->bitmask, &hdr); | |
2815 | if (args->renew) | |
2816 | encode_renew(xdr, args->clientid, &hdr); | |
2817 | } else { | |
2818 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2819 | encode_lookup(xdr, args->name, &hdr); | |
2820 | replen = hdr.replen; | |
2821 | encode_fs_locations(xdr, args->bitmask, &hdr); | |
2822 | } | |
cf8cdbe5 | 2823 | |
cf500bac | 2824 | rpc_prepare_reply_pages(req, (struct page **)&args->page, 0, |
9ed5af26 | 2825 | PAGE_SIZE, replen); |
d017931c | 2826 | encode_nops(&hdr); |
683b57b4 TM |
2827 | } |
2828 | ||
5a5ea0d4 BS |
2829 | /* |
2830 | * Encode SECINFO request | |
2831 | */ | |
2832 | static void nfs4_xdr_enc_secinfo(struct rpc_rqst *req, | |
2833 | struct xdr_stream *xdr, | |
fcc85819 | 2834 | const void *data) |
5a5ea0d4 | 2835 | { |
fcc85819 | 2836 | const struct nfs4_secinfo_arg *args = data; |
5a5ea0d4 BS |
2837 | struct compound_hdr hdr = { |
2838 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2839 | }; | |
2840 | ||
2841 | encode_compound_hdr(xdr, req, &hdr); | |
2842 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2843 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2844 | encode_secinfo(xdr, args->name, &hdr); | |
2845 | encode_nops(&hdr); | |
2846 | } | |
2847 | ||
44c99933 CL |
2848 | /* |
2849 | * Encode FSID_PRESENT request | |
2850 | */ | |
2851 | static void nfs4_xdr_enc_fsid_present(struct rpc_rqst *req, | |
2852 | struct xdr_stream *xdr, | |
fcc85819 | 2853 | const void *data) |
44c99933 | 2854 | { |
fcc85819 | 2855 | const struct nfs4_fsid_present_arg *args = data; |
44c99933 CL |
2856 | struct compound_hdr hdr = { |
2857 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2858 | }; | |
2859 | ||
2860 | encode_compound_hdr(xdr, req, &hdr); | |
2861 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2862 | encode_putfh(xdr, args->fh, &hdr); | |
2863 | encode_getfh(xdr, &hdr); | |
2864 | if (args->renew) | |
2865 | encode_renew(xdr, args->clientid, &hdr); | |
2866 | encode_nops(&hdr); | |
2867 | } | |
2868 | ||
99fe60d0 | 2869 | #if defined(CONFIG_NFS_V4_1) |
7c44f1ae WAA |
2870 | /* |
2871 | * BIND_CONN_TO_SESSION request | |
2872 | */ | |
2873 | static void nfs4_xdr_enc_bind_conn_to_session(struct rpc_rqst *req, | |
2874 | struct xdr_stream *xdr, | |
fcc85819 | 2875 | const void *data) |
7c44f1ae | 2876 | { |
fcc85819 | 2877 | const struct nfs41_bind_conn_to_session_args *args = data; |
7c44f1ae | 2878 | struct compound_hdr hdr = { |
71a097c6 | 2879 | .minorversion = args->client->cl_mvops->minor_version, |
7c44f1ae WAA |
2880 | }; |
2881 | ||
2882 | encode_compound_hdr(xdr, req, &hdr); | |
71a097c6 | 2883 | encode_bind_conn_to_session(xdr, args, &hdr); |
7c44f1ae WAA |
2884 | encode_nops(&hdr); |
2885 | } | |
2886 | ||
99fe60d0 BH |
2887 | /* |
2888 | * EXCHANGE_ID request | |
2889 | */ | |
9f06c719 CL |
2890 | static void nfs4_xdr_enc_exchange_id(struct rpc_rqst *req, |
2891 | struct xdr_stream *xdr, | |
fcc85819 | 2892 | const void *data) |
99fe60d0 | 2893 | { |
fcc85819 | 2894 | const struct nfs41_exchange_id_args *args = data; |
99fe60d0 | 2895 | struct compound_hdr hdr = { |
a4432345 | 2896 | .minorversion = args->client->cl_mvops->minor_version, |
99fe60d0 BH |
2897 | }; |
2898 | ||
9f06c719 CL |
2899 | encode_compound_hdr(xdr, req, &hdr); |
2900 | encode_exchange_id(xdr, args, &hdr); | |
99fe60d0 | 2901 | encode_nops(&hdr); |
99fe60d0 | 2902 | } |
2050f0cc | 2903 | |
fc931582 AA |
2904 | /* |
2905 | * a CREATE_SESSION request | |
2906 | */ | |
9f06c719 CL |
2907 | static void nfs4_xdr_enc_create_session(struct rpc_rqst *req, |
2908 | struct xdr_stream *xdr, | |
fcc85819 | 2909 | const void *data) |
fc931582 | 2910 | { |
fcc85819 | 2911 | const struct nfs41_create_session_args *args = data; |
fc931582 | 2912 | struct compound_hdr hdr = { |
a4432345 | 2913 | .minorversion = args->client->cl_mvops->minor_version, |
fc931582 AA |
2914 | }; |
2915 | ||
9f06c719 CL |
2916 | encode_compound_hdr(xdr, req, &hdr); |
2917 | encode_create_session(xdr, args, &hdr); | |
fc931582 | 2918 | encode_nops(&hdr); |
fc931582 AA |
2919 | } |
2920 | ||
0f3e66c6 AA |
2921 | /* |
2922 | * a DESTROY_SESSION request | |
2923 | */ | |
9f06c719 CL |
2924 | static void nfs4_xdr_enc_destroy_session(struct rpc_rqst *req, |
2925 | struct xdr_stream *xdr, | |
fcc85819 | 2926 | const void *data) |
0f3e66c6 | 2927 | { |
fcc85819 | 2928 | const struct nfs4_session *session = data; |
0f3e66c6 | 2929 | struct compound_hdr hdr = { |
a4432345 | 2930 | .minorversion = session->clp->cl_mvops->minor_version, |
0f3e66c6 AA |
2931 | }; |
2932 | ||
9f06c719 CL |
2933 | encode_compound_hdr(xdr, req, &hdr); |
2934 | encode_destroy_session(xdr, session, &hdr); | |
0f3e66c6 | 2935 | encode_nops(&hdr); |
0f3e66c6 AA |
2936 | } |
2937 | ||
66245539 TM |
2938 | /* |
2939 | * a DESTROY_CLIENTID request | |
2940 | */ | |
2941 | static void nfs4_xdr_enc_destroy_clientid(struct rpc_rqst *req, | |
2942 | struct xdr_stream *xdr, | |
fcc85819 | 2943 | const void *data) |
66245539 | 2944 | { |
fcc85819 | 2945 | const struct nfs_client *clp = data; |
66245539 TM |
2946 | struct compound_hdr hdr = { |
2947 | .minorversion = clp->cl_mvops->minor_version, | |
2948 | }; | |
2949 | ||
2950 | encode_compound_hdr(xdr, req, &hdr); | |
2951 | encode_destroy_clientid(xdr, clp->cl_clientid, &hdr); | |
2952 | encode_nops(&hdr); | |
2953 | } | |
2954 | ||
fc01cea9 AA |
2955 | /* |
2956 | * a SEQUENCE request | |
2957 | */ | |
9f06c719 | 2958 | static void nfs4_xdr_enc_sequence(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 2959 | const void *data) |
fc01cea9 | 2960 | { |
fcc85819 | 2961 | const struct nfs4_sequence_args *args = data; |
fc01cea9 AA |
2962 | struct compound_hdr hdr = { |
2963 | .minorversion = nfs4_xdr_minorversion(args), | |
2964 | }; | |
2965 | ||
9f06c719 CL |
2966 | encode_compound_hdr(xdr, req, &hdr); |
2967 | encode_sequence(xdr, args, &hdr); | |
fc01cea9 | 2968 | encode_nops(&hdr); |
fc01cea9 AA |
2969 | } |
2970 | ||
0efb01b2 DB |
2971 | #endif |
2972 | ||
2050f0cc AA |
2973 | /* |
2974 | * a GET_LEASE_TIME request | |
2975 | */ | |
9f06c719 CL |
2976 | static void nfs4_xdr_enc_get_lease_time(struct rpc_rqst *req, |
2977 | struct xdr_stream *xdr, | |
fcc85819 | 2978 | const void *data) |
2050f0cc | 2979 | { |
fcc85819 | 2980 | const struct nfs4_get_lease_time_args *args = data; |
2050f0cc AA |
2981 | struct compound_hdr hdr = { |
2982 | .minorversion = nfs4_xdr_minorversion(&args->la_seq_args), | |
2983 | }; | |
dae100c2 | 2984 | const u32 lease_bitmap[3] = { FATTR4_WORD0_LEASE_TIME }; |
2050f0cc | 2985 | |
9f06c719 CL |
2986 | encode_compound_hdr(xdr, req, &hdr); |
2987 | encode_sequence(xdr, &args->la_seq_args, &hdr); | |
2988 | encode_putrootfh(xdr, &hdr); | |
2989 | encode_fsinfo(xdr, lease_bitmap, &hdr); | |
2050f0cc | 2990 | encode_nops(&hdr); |
2050f0cc | 2991 | } |
18019753 | 2992 | |
0efb01b2 DB |
2993 | #ifdef CONFIG_NFS_V4_1 |
2994 | ||
18019753 RL |
2995 | /* |
2996 | * a RECLAIM_COMPLETE request | |
2997 | */ | |
9f06c719 CL |
2998 | static void nfs4_xdr_enc_reclaim_complete(struct rpc_rqst *req, |
2999 | struct xdr_stream *xdr, | |
fcc85819 | 3000 | const void *data) |
18019753 | 3001 | { |
fcc85819 | 3002 | const struct nfs41_reclaim_complete_args *args = data; |
18019753 RL |
3003 | struct compound_hdr hdr = { |
3004 | .minorversion = nfs4_xdr_minorversion(&args->seq_args) | |
3005 | }; | |
3006 | ||
9f06c719 CL |
3007 | encode_compound_hdr(xdr, req, &hdr); |
3008 | encode_sequence(xdr, &args->seq_args, &hdr); | |
3009 | encode_reclaim_complete(xdr, args, &hdr); | |
18019753 | 3010 | encode_nops(&hdr); |
18019753 RL |
3011 | } |
3012 | ||
b1f69b75 AA |
3013 | /* |
3014 | * Encode GETDEVICEINFO request | |
3015 | */ | |
9f06c719 CL |
3016 | static void nfs4_xdr_enc_getdeviceinfo(struct rpc_rqst *req, |
3017 | struct xdr_stream *xdr, | |
fcc85819 | 3018 | const void *data) |
b1f69b75 | 3019 | { |
fcc85819 | 3020 | const struct nfs4_getdeviceinfo_args *args = data; |
b1f69b75 AA |
3021 | struct compound_hdr hdr = { |
3022 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
3023 | }; | |
046e5ccb | 3024 | uint32_t replen; |
b1f69b75 | 3025 | |
9f06c719 CL |
3026 | encode_compound_hdr(xdr, req, &hdr); |
3027 | encode_sequence(xdr, &args->seq_args, &hdr); | |
046e5ccb | 3028 | |
9ed5af26 | 3029 | replen = hdr.replen + op_decode_hdr_maxsz + 2; |
046e5ccb | 3030 | |
9f06c719 | 3031 | encode_getdeviceinfo(xdr, args, &hdr); |
b1f69b75 | 3032 | |
046e5ccb TM |
3033 | /* set up reply kvec. device_addr4 opaque data is read into the |
3034 | * pages */ | |
cf500bac | 3035 | rpc_prepare_reply_pages(req, args->pdev->pages, args->pdev->pgbase, |
9ed5af26 | 3036 | args->pdev->pglen, replen); |
b1f69b75 | 3037 | encode_nops(&hdr); |
b1f69b75 AA |
3038 | } |
3039 | ||
3040 | /* | |
3041 | * Encode LAYOUTGET request | |
3042 | */ | |
9f06c719 CL |
3043 | static void nfs4_xdr_enc_layoutget(struct rpc_rqst *req, |
3044 | struct xdr_stream *xdr, | |
fcc85819 | 3045 | const void *data) |
b1f69b75 | 3046 | { |
fcc85819 | 3047 | const struct nfs4_layoutget_args *args = data; |
b1f69b75 AA |
3048 | struct compound_hdr hdr = { |
3049 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
3050 | }; | |
3051 | ||
9f06c719 CL |
3052 | encode_compound_hdr(xdr, req, &hdr); |
3053 | encode_sequence(xdr, &args->seq_args, &hdr); | |
3054 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
3055 | encode_layoutget(xdr, args, &hdr); | |
35124a09 | 3056 | |
cf500bac | 3057 | rpc_prepare_reply_pages(req, args->layout.pages, 0, |
9ed5af26 | 3058 | args->layout.pglen, hdr.replen - pagepad_maxsz); |
b1f69b75 | 3059 | encode_nops(&hdr); |
b1f69b75 | 3060 | } |
863a3c6c AA |
3061 | |
3062 | /* | |
3063 | * Encode LAYOUTCOMMIT request | |
3064 | */ | |
cbe82603 BH |
3065 | static void nfs4_xdr_enc_layoutcommit(struct rpc_rqst *req, |
3066 | struct xdr_stream *xdr, | |
fcc85819 | 3067 | const void *priv) |
863a3c6c | 3068 | { |
fcc85819 | 3069 | const struct nfs4_layoutcommit_args *args = priv; |
ac7db726 BH |
3070 | struct nfs4_layoutcommit_data *data = |
3071 | container_of(args, struct nfs4_layoutcommit_data, args); | |
863a3c6c AA |
3072 | struct compound_hdr hdr = { |
3073 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
3074 | }; | |
3075 | ||
3076 | encode_compound_hdr(xdr, req, &hdr); | |
3077 | encode_sequence(xdr, &args->seq_args, &hdr); | |
3078 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
ac7db726 | 3079 | encode_layoutcommit(xdr, data->args.inode, args, &hdr); |
863a3c6c | 3080 | encode_getfattr(xdr, args->bitmask, &hdr); |
b1f69b75 | 3081 | encode_nops(&hdr); |
cbe82603 BH |
3082 | } |
3083 | ||
3084 | /* | |
3085 | * Encode LAYOUTRETURN request | |
3086 | */ | |
3087 | static void nfs4_xdr_enc_layoutreturn(struct rpc_rqst *req, | |
3088 | struct xdr_stream *xdr, | |
fcc85819 | 3089 | const void *data) |
cbe82603 | 3090 | { |
fcc85819 | 3091 | const struct nfs4_layoutreturn_args *args = data; |
cbe82603 BH |
3092 | struct compound_hdr hdr = { |
3093 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
3094 | }; | |
3095 | ||
3096 | encode_compound_hdr(xdr, req, &hdr); | |
3097 | encode_sequence(xdr, &args->seq_args, &hdr); | |
3098 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
3099 | encode_layoutreturn(xdr, args, &hdr); | |
3100 | encode_nops(&hdr); | |
b1f69b75 | 3101 | } |
fca78d6d BS |
3102 | |
3103 | /* | |
3104 | * Encode SECINFO_NO_NAME request | |
3105 | */ | |
fcc85819 | 3106 | static void nfs4_xdr_enc_secinfo_no_name(struct rpc_rqst *req, |
fca78d6d | 3107 | struct xdr_stream *xdr, |
fcc85819 | 3108 | const void *data) |
fca78d6d | 3109 | { |
fcc85819 | 3110 | const struct nfs41_secinfo_no_name_args *args = data; |
fca78d6d BS |
3111 | struct compound_hdr hdr = { |
3112 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
3113 | }; | |
3114 | ||
3115 | encode_compound_hdr(xdr, req, &hdr); | |
3116 | encode_sequence(xdr, &args->seq_args, &hdr); | |
3117 | encode_putrootfh(xdr, &hdr); | |
3118 | encode_secinfo_no_name(xdr, args, &hdr); | |
3119 | encode_nops(&hdr); | |
fca78d6d | 3120 | } |
7d974794 BS |
3121 | |
3122 | /* | |
3123 | * Encode TEST_STATEID request | |
3124 | */ | |
3125 | static void nfs4_xdr_enc_test_stateid(struct rpc_rqst *req, | |
3126 | struct xdr_stream *xdr, | |
fcc85819 | 3127 | const void *data) |
7d974794 | 3128 | { |
fcc85819 | 3129 | const struct nfs41_test_stateid_args *args = data; |
7d974794 BS |
3130 | struct compound_hdr hdr = { |
3131 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
3132 | }; | |
3133 | ||
3134 | encode_compound_hdr(xdr, req, &hdr); | |
3135 | encode_sequence(xdr, &args->seq_args, &hdr); | |
3136 | encode_test_stateid(xdr, args, &hdr); | |
3137 | encode_nops(&hdr); | |
3138 | } | |
9aeda35f BS |
3139 | |
3140 | /* | |
3141 | * Encode FREE_STATEID request | |
3142 | */ | |
3143 | static void nfs4_xdr_enc_free_stateid(struct rpc_rqst *req, | |
3144 | struct xdr_stream *xdr, | |
fcc85819 | 3145 | const void *data) |
9aeda35f | 3146 | { |
fcc85819 | 3147 | const struct nfs41_free_stateid_args *args = data; |
9aeda35f BS |
3148 | struct compound_hdr hdr = { |
3149 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
3150 | }; | |
3151 | ||
3152 | encode_compound_hdr(xdr, req, &hdr); | |
3153 | encode_sequence(xdr, &args->seq_args, &hdr); | |
3154 | encode_free_stateid(xdr, args, &hdr); | |
3155 | encode_nops(&hdr); | |
3156 | } | |
99fe60d0 BH |
3157 | #endif /* CONFIG_NFS_V4_1 */ |
3158 | ||
683b57b4 | 3159 | static int decode_opaque_inline(struct xdr_stream *xdr, unsigned int *len, char **string) |
1da177e4 | 3160 | { |
6da59ce2 TM |
3161 | ssize_t ret = xdr_stream_decode_opaque_inline(xdr, (void **)string, |
3162 | NFS4_OPAQUE_LIMIT); | |
eb72f484 | 3163 | if (unlikely(ret < 0)) |
6da59ce2 | 3164 | return -EIO; |
6da59ce2 | 3165 | *len = ret; |
1da177e4 LT |
3166 | return 0; |
3167 | } | |
3168 | ||
3169 | static int decode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr) | |
3170 | { | |
8687b63a | 3171 | __be32 *p; |
1da177e4 | 3172 | |
c0eae66e BH |
3173 | p = xdr_inline_decode(xdr, 8); |
3174 | if (unlikely(!p)) | |
eb72f484 | 3175 | return -EIO; |
6f723f77 | 3176 | hdr->status = be32_to_cpup(p++); |
cccddf4f | 3177 | hdr->taglen = be32_to_cpup(p); |
6c0195a4 | 3178 | |
c0eae66e BH |
3179 | p = xdr_inline_decode(xdr, hdr->taglen + 4); |
3180 | if (unlikely(!p)) | |
eb72f484 | 3181 | return -EIO; |
1da177e4 LT |
3182 | hdr->tag = (char *)p; |
3183 | p += XDR_QUADLEN(hdr->taglen); | |
cccddf4f | 3184 | hdr->nops = be32_to_cpup(p); |
aadf6152 BH |
3185 | if (unlikely(hdr->nops < 1)) |
3186 | return nfs4_stat_to_errno(hdr->status); | |
1da177e4 LT |
3187 | return 0; |
3188 | } | |
3189 | ||
c7848f69 TM |
3190 | static bool __decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected, |
3191 | int *nfs_retval) | |
1da177e4 | 3192 | { |
8687b63a | 3193 | __be32 *p; |
1da177e4 LT |
3194 | uint32_t opnum; |
3195 | int32_t nfserr; | |
3196 | ||
c0eae66e BH |
3197 | p = xdr_inline_decode(xdr, 8); |
3198 | if (unlikely(!p)) | |
3199 | goto out_overflow; | |
6f723f77 | 3200 | opnum = be32_to_cpup(p++); |
c7848f69 TM |
3201 | if (unlikely(opnum != expected)) |
3202 | goto out_bad_operation; | |
f23f6584 CL |
3203 | if (unlikely(*p != cpu_to_be32(NFS_OK))) |
3204 | goto out_status; | |
3205 | *nfs_retval = 0; | |
3206 | return true; | |
3207 | out_status: | |
cccddf4f | 3208 | nfserr = be32_to_cpup(p); |
62a92ba9 | 3209 | trace_nfs4_xdr_status(xdr, opnum, nfserr); |
f23f6584 | 3210 | *nfs_retval = nfs4_stat_to_errno(nfserr); |
c7848f69 TM |
3211 | return true; |
3212 | out_bad_operation: | |
da934ae0 | 3213 | trace_nfs4_xdr_bad_operation(xdr, opnum, expected); |
c7848f69 TM |
3214 | *nfs_retval = -EREMOTEIO; |
3215 | return false; | |
c0eae66e | 3216 | out_overflow: |
c7848f69 TM |
3217 | *nfs_retval = -EIO; |
3218 | return false; | |
3219 | } | |
3220 | ||
3221 | static int decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected) | |
3222 | { | |
3223 | int retval; | |
3224 | ||
3225 | __decode_op_hdr(xdr, expected, &retval); | |
3226 | return retval; | |
1da177e4 LT |
3227 | } |
3228 | ||
3229 | /* Dummy routine */ | |
1bbe60ff | 3230 | static int decode_ace(struct xdr_stream *xdr, void *ace) |
1da177e4 | 3231 | { |
8687b63a | 3232 | __be32 *p; |
683b57b4 | 3233 | unsigned int strlen; |
1da177e4 LT |
3234 | char *str; |
3235 | ||
c0eae66e | 3236 | p = xdr_inline_decode(xdr, 12); |
eb72f484 CL |
3237 | if (unlikely(!p)) |
3238 | return -EIO; | |
3239 | return decode_opaque_inline(xdr, &strlen, &str); | |
1da177e4 LT |
3240 | } |
3241 | ||
37c88763 TM |
3242 | static ssize_t |
3243 | decode_bitmap4(struct xdr_stream *xdr, uint32_t *bitmap, size_t sz) | |
1da177e4 | 3244 | { |
37c88763 | 3245 | ssize_t ret; |
1da177e4 | 3246 | |
37c88763 TM |
3247 | ret = xdr_stream_decode_uint32_array(xdr, bitmap, sz); |
3248 | if (likely(ret >= 0)) | |
3249 | return ret; | |
eb72f484 CL |
3250 | if (ret != -EMSGSIZE) |
3251 | return -EIO; | |
3252 | return sz; | |
1da177e4 LT |
3253 | } |
3254 | ||
37c88763 TM |
3255 | static int decode_attr_bitmap(struct xdr_stream *xdr, uint32_t *bitmap) |
3256 | { | |
3257 | ssize_t ret; | |
3258 | ret = decode_bitmap4(xdr, bitmap, 3); | |
3259 | return ret < 0 ? ret : 0; | |
3260 | } | |
3261 | ||
256e48bb | 3262 | static int decode_attr_length(struct xdr_stream *xdr, uint32_t *attrlen, unsigned int *savep) |
1da177e4 | 3263 | { |
8687b63a | 3264 | __be32 *p; |
1da177e4 | 3265 | |
c0eae66e BH |
3266 | p = xdr_inline_decode(xdr, 4); |
3267 | if (unlikely(!p)) | |
eb72f484 | 3268 | return -EIO; |
cccddf4f | 3269 | *attrlen = be32_to_cpup(p); |
256e48bb | 3270 | *savep = xdr_stream_pos(xdr); |
1da177e4 LT |
3271 | return 0; |
3272 | } | |
3273 | ||
3274 | static int decode_attr_supported(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *bitmask) | |
3275 | { | |
3276 | if (likely(bitmap[0] & FATTR4_WORD0_SUPPORTED_ATTRS)) { | |
3388bff5 RB |
3277 | int ret; |
3278 | ret = decode_attr_bitmap(xdr, bitmask); | |
3279 | if (unlikely(ret < 0)) | |
3280 | return ret; | |
1da177e4 LT |
3281 | bitmap[0] &= ~FATTR4_WORD0_SUPPORTED_ATTRS; |
3282 | } else | |
dae100c2 FI |
3283 | bitmask[0] = bitmask[1] = bitmask[2] = 0; |
3284 | dprintk("%s: bitmask=%08x:%08x:%08x\n", __func__, | |
3285 | bitmask[0], bitmask[1], bitmask[2]); | |
1da177e4 LT |
3286 | return 0; |
3287 | } | |
3288 | ||
3289 | static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *type) | |
3290 | { | |
8687b63a | 3291 | __be32 *p; |
409924e4 | 3292 | int ret = 0; |
1da177e4 LT |
3293 | |
3294 | *type = 0; | |
3295 | if (unlikely(bitmap[0] & (FATTR4_WORD0_TYPE - 1U))) | |
3296 | return -EIO; | |
3297 | if (likely(bitmap[0] & FATTR4_WORD0_TYPE)) { | |
c0eae66e BH |
3298 | p = xdr_inline_decode(xdr, 4); |
3299 | if (unlikely(!p)) | |
eb72f484 | 3300 | return -EIO; |
cccddf4f | 3301 | *type = be32_to_cpup(p); |
1da177e4 | 3302 | if (*type < NF4REG || *type > NF4NAMEDATTR) { |
3110ff80 | 3303 | dprintk("%s: bad type %d\n", __func__, *type); |
1da177e4 LT |
3304 | return -EIO; |
3305 | } | |
3306 | bitmap[0] &= ~FATTR4_WORD0_TYPE; | |
409924e4 | 3307 | ret = NFS_ATTR_FATTR_TYPE; |
1da177e4 | 3308 | } |
bca79478 | 3309 | dprintk("%s: type=0%o\n", __func__, nfs_type2fmt[*type]); |
409924e4 | 3310 | return ret; |
1da177e4 LT |
3311 | } |
3312 | ||
264e6351 CL |
3313 | static int decode_attr_fh_expire_type(struct xdr_stream *xdr, |
3314 | uint32_t *bitmap, uint32_t *type) | |
3315 | { | |
3316 | __be32 *p; | |
3317 | ||
3318 | *type = 0; | |
3319 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FH_EXPIRE_TYPE - 1U))) | |
3320 | return -EIO; | |
3321 | if (likely(bitmap[0] & FATTR4_WORD0_FH_EXPIRE_TYPE)) { | |
3322 | p = xdr_inline_decode(xdr, 4); | |
3323 | if (unlikely(!p)) | |
eb72f484 | 3324 | return -EIO; |
264e6351 CL |
3325 | *type = be32_to_cpup(p); |
3326 | bitmap[0] &= ~FATTR4_WORD0_FH_EXPIRE_TYPE; | |
3327 | } | |
3328 | dprintk("%s: expire type=0x%x\n", __func__, *type); | |
3329 | return 0; | |
264e6351 CL |
3330 | } |
3331 | ||
1da177e4 LT |
3332 | static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *change) |
3333 | { | |
8687b63a | 3334 | __be32 *p; |
409924e4 | 3335 | int ret = 0; |
1da177e4 LT |
3336 | |
3337 | *change = 0; | |
3338 | if (unlikely(bitmap[0] & (FATTR4_WORD0_CHANGE - 1U))) | |
3339 | return -EIO; | |
3340 | if (likely(bitmap[0] & FATTR4_WORD0_CHANGE)) { | |
c0eae66e BH |
3341 | p = xdr_inline_decode(xdr, 8); |
3342 | if (unlikely(!p)) | |
eb72f484 | 3343 | return -EIO; |
cccddf4f | 3344 | xdr_decode_hyper(p, change); |
1da177e4 | 3345 | bitmap[0] &= ~FATTR4_WORD0_CHANGE; |
409924e4 | 3346 | ret = NFS_ATTR_FATTR_CHANGE; |
1da177e4 | 3347 | } |
3110ff80 | 3348 | dprintk("%s: change attribute=%Lu\n", __func__, |
1da177e4 | 3349 | (unsigned long long)*change); |
409924e4 | 3350 | return ret; |
1da177e4 LT |
3351 | } |
3352 | ||
3353 | static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *size) | |
3354 | { | |
8687b63a | 3355 | __be32 *p; |
409924e4 | 3356 | int ret = 0; |
1da177e4 LT |
3357 | |
3358 | *size = 0; | |
3359 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SIZE - 1U))) | |
3360 | return -EIO; | |
3361 | if (likely(bitmap[0] & FATTR4_WORD0_SIZE)) { | |
c0eae66e BH |
3362 | p = xdr_inline_decode(xdr, 8); |
3363 | if (unlikely(!p)) | |
eb72f484 | 3364 | return -EIO; |
cccddf4f | 3365 | xdr_decode_hyper(p, size); |
1da177e4 | 3366 | bitmap[0] &= ~FATTR4_WORD0_SIZE; |
409924e4 | 3367 | ret = NFS_ATTR_FATTR_SIZE; |
1da177e4 | 3368 | } |
3110ff80 | 3369 | dprintk("%s: file size=%Lu\n", __func__, (unsigned long long)*size); |
409924e4 | 3370 | return ret; |
1da177e4 LT |
3371 | } |
3372 | ||
3373 | static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3374 | { | |
8687b63a | 3375 | __be32 *p; |
1da177e4 LT |
3376 | |
3377 | *res = 0; | |
3378 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LINK_SUPPORT - 1U))) | |
3379 | return -EIO; | |
3380 | if (likely(bitmap[0] & FATTR4_WORD0_LINK_SUPPORT)) { | |
c0eae66e BH |
3381 | p = xdr_inline_decode(xdr, 4); |
3382 | if (unlikely(!p)) | |
eb72f484 | 3383 | return -EIO; |
cccddf4f | 3384 | *res = be32_to_cpup(p); |
1da177e4 LT |
3385 | bitmap[0] &= ~FATTR4_WORD0_LINK_SUPPORT; |
3386 | } | |
3110ff80 | 3387 | dprintk("%s: link support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 LT |
3388 | return 0; |
3389 | } | |
3390 | ||
3391 | static int decode_attr_symlink_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3392 | { | |
8687b63a | 3393 | __be32 *p; |
1da177e4 LT |
3394 | |
3395 | *res = 0; | |
3396 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SYMLINK_SUPPORT - 1U))) | |
3397 | return -EIO; | |
3398 | if (likely(bitmap[0] & FATTR4_WORD0_SYMLINK_SUPPORT)) { | |
c0eae66e BH |
3399 | p = xdr_inline_decode(xdr, 4); |
3400 | if (unlikely(!p)) | |
eb72f484 | 3401 | return -EIO; |
cccddf4f | 3402 | *res = be32_to_cpup(p); |
1da177e4 LT |
3403 | bitmap[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT; |
3404 | } | |
3110ff80 | 3405 | dprintk("%s: symlink support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 LT |
3406 | return 0; |
3407 | } | |
3408 | ||
8b4bdcf8 | 3409 | static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fsid *fsid) |
1da177e4 | 3410 | { |
8687b63a | 3411 | __be32 *p; |
409924e4 | 3412 | int ret = 0; |
1da177e4 LT |
3413 | |
3414 | fsid->major = 0; | |
3415 | fsid->minor = 0; | |
3416 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FSID - 1U))) | |
3417 | return -EIO; | |
3418 | if (likely(bitmap[0] & FATTR4_WORD0_FSID)) { | |
c0eae66e BH |
3419 | p = xdr_inline_decode(xdr, 16); |
3420 | if (unlikely(!p)) | |
eb72f484 | 3421 | return -EIO; |
3ceb4dbb | 3422 | p = xdr_decode_hyper(p, &fsid->major); |
cccddf4f | 3423 | xdr_decode_hyper(p, &fsid->minor); |
1da177e4 | 3424 | bitmap[0] &= ~FATTR4_WORD0_FSID; |
409924e4 | 3425 | ret = NFS_ATTR_FATTR_FSID; |
1da177e4 | 3426 | } |
3110ff80 | 3427 | dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __func__, |
1da177e4 LT |
3428 | (unsigned long long)fsid->major, |
3429 | (unsigned long long)fsid->minor); | |
409924e4 | 3430 | return ret; |
1da177e4 LT |
3431 | } |
3432 | ||
3433 | static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3434 | { | |
8687b63a | 3435 | __be32 *p; |
1da177e4 LT |
3436 | |
3437 | *res = 60; | |
3438 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LEASE_TIME - 1U))) | |
3439 | return -EIO; | |
3440 | if (likely(bitmap[0] & FATTR4_WORD0_LEASE_TIME)) { | |
c0eae66e BH |
3441 | p = xdr_inline_decode(xdr, 4); |
3442 | if (unlikely(!p)) | |
eb72f484 | 3443 | return -EIO; |
cccddf4f | 3444 | *res = be32_to_cpup(p); |
1da177e4 LT |
3445 | bitmap[0] &= ~FATTR4_WORD0_LEASE_TIME; |
3446 | } | |
2eaf426d | 3447 | dprintk("%s: lease time=%u\n", __func__, (unsigned int)*res); |
1da177e4 LT |
3448 | return 0; |
3449 | } | |
3450 | ||
ee7b75fc | 3451 | static int decode_attr_error(struct xdr_stream *xdr, uint32_t *bitmap, int32_t *res) |
ae42c70a BS |
3452 | { |
3453 | __be32 *p; | |
3454 | ||
3455 | if (unlikely(bitmap[0] & (FATTR4_WORD0_RDATTR_ERROR - 1U))) | |
3456 | return -EIO; | |
3457 | if (likely(bitmap[0] & FATTR4_WORD0_RDATTR_ERROR)) { | |
3458 | p = xdr_inline_decode(xdr, 4); | |
3459 | if (unlikely(!p)) | |
eb72f484 | 3460 | return -EIO; |
ae42c70a | 3461 | bitmap[0] &= ~FATTR4_WORD0_RDATTR_ERROR; |
ee7b75fc | 3462 | *res = -be32_to_cpup(p); |
ae42c70a BS |
3463 | } |
3464 | return 0; | |
ae42c70a BS |
3465 | } |
3466 | ||
8c61282f KM |
3467 | static int decode_attr_exclcreat_supported(struct xdr_stream *xdr, |
3468 | uint32_t *bitmap, uint32_t *bitmask) | |
3469 | { | |
3470 | if (likely(bitmap[2] & FATTR4_WORD2_SUPPATTR_EXCLCREAT)) { | |
3471 | int ret; | |
3472 | ret = decode_attr_bitmap(xdr, bitmask); | |
3473 | if (unlikely(ret < 0)) | |
3474 | return ret; | |
3475 | bitmap[2] &= ~FATTR4_WORD2_SUPPATTR_EXCLCREAT; | |
3476 | } else | |
3477 | bitmask[0] = bitmask[1] = bitmask[2] = 0; | |
3478 | dprintk("%s: bitmask=%08x:%08x:%08x\n", __func__, | |
3479 | bitmask[0], bitmask[1], bitmask[2]); | |
3480 | return 0; | |
3481 | } | |
3482 | ||
ae42c70a BS |
3483 | static int decode_attr_filehandle(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fh *fh) |
3484 | { | |
3485 | __be32 *p; | |
86bbd742 | 3486 | u32 len; |
ae42c70a | 3487 | |
7ad07353 TM |
3488 | if (fh != NULL) |
3489 | memset(fh, 0, sizeof(*fh)); | |
ae42c70a BS |
3490 | |
3491 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEHANDLE - 1U))) | |
3492 | return -EIO; | |
3493 | if (likely(bitmap[0] & FATTR4_WORD0_FILEHANDLE)) { | |
3494 | p = xdr_inline_decode(xdr, 4); | |
3495 | if (unlikely(!p)) | |
eb72f484 | 3496 | return -EIO; |
ae42c70a | 3497 | len = be32_to_cpup(p); |
eb3d58c6 TM |
3498 | if (len > NFS4_FHSIZE || len == 0) { |
3499 | trace_nfs4_xdr_bad_filehandle(xdr, OP_READDIR, | |
3500 | NFS4ERR_BADHANDLE); | |
3501 | return -EREMOTEIO; | |
3502 | } | |
ae42c70a BS |
3503 | p = xdr_inline_decode(xdr, len); |
3504 | if (unlikely(!p)) | |
eb72f484 | 3505 | return -EIO; |
7ad07353 TM |
3506 | if (fh != NULL) { |
3507 | memcpy(fh->data, p, len); | |
3508 | fh->size = len; | |
3509 | } | |
ae42c70a BS |
3510 | bitmap[0] &= ~FATTR4_WORD0_FILEHANDLE; |
3511 | } | |
3512 | return 0; | |
ae42c70a BS |
3513 | } |
3514 | ||
1da177e4 LT |
3515 | static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) |
3516 | { | |
8687b63a | 3517 | __be32 *p; |
1da177e4 | 3518 | |
a1800aca | 3519 | *res = 0; |
1da177e4 LT |
3520 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACLSUPPORT - 1U))) |
3521 | return -EIO; | |
3522 | if (likely(bitmap[0] & FATTR4_WORD0_ACLSUPPORT)) { | |
c0eae66e BH |
3523 | p = xdr_inline_decode(xdr, 4); |
3524 | if (unlikely(!p)) | |
eb72f484 | 3525 | return -EIO; |
cccddf4f | 3526 | *res = be32_to_cpup(p); |
1da177e4 LT |
3527 | bitmap[0] &= ~FATTR4_WORD0_ACLSUPPORT; |
3528 | } | |
3110ff80 | 3529 | dprintk("%s: ACLs supported=%u\n", __func__, (unsigned int)*res); |
1da177e4 LT |
3530 | return 0; |
3531 | } | |
3532 | ||
3533 | static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) | |
3534 | { | |
8687b63a | 3535 | __be32 *p; |
409924e4 | 3536 | int ret = 0; |
1da177e4 LT |
3537 | |
3538 | *fileid = 0; | |
3539 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEID - 1U))) | |
3540 | return -EIO; | |
3541 | if (likely(bitmap[0] & FATTR4_WORD0_FILEID)) { | |
c0eae66e BH |
3542 | p = xdr_inline_decode(xdr, 8); |
3543 | if (unlikely(!p)) | |
eb72f484 | 3544 | return -EIO; |
cccddf4f | 3545 | xdr_decode_hyper(p, fileid); |
1da177e4 | 3546 | bitmap[0] &= ~FATTR4_WORD0_FILEID; |
409924e4 | 3547 | ret = NFS_ATTR_FATTR_FILEID; |
1da177e4 | 3548 | } |
3110ff80 | 3549 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
409924e4 | 3550 | return ret; |
1da177e4 LT |
3551 | } |
3552 | ||
99baf625 MN |
3553 | static int decode_attr_mounted_on_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) |
3554 | { | |
8687b63a | 3555 | __be32 *p; |
409924e4 | 3556 | int ret = 0; |
99baf625 MN |
3557 | |
3558 | *fileid = 0; | |
3559 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MOUNTED_ON_FILEID - 1U))) | |
3560 | return -EIO; | |
3561 | if (likely(bitmap[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) { | |
c0eae66e BH |
3562 | p = xdr_inline_decode(xdr, 8); |
3563 | if (unlikely(!p)) | |
eb72f484 | 3564 | return -EIO; |
cccddf4f | 3565 | xdr_decode_hyper(p, fileid); |
99baf625 | 3566 | bitmap[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID; |
28331a46 | 3567 | ret = NFS_ATTR_FATTR_MOUNTED_ON_FILEID; |
99baf625 | 3568 | } |
3110ff80 | 3569 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
409924e4 | 3570 | return ret; |
99baf625 MN |
3571 | } |
3572 | ||
1da177e4 LT |
3573 | static int decode_attr_files_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
3574 | { | |
8687b63a | 3575 | __be32 *p; |
1da177e4 LT |
3576 | int status = 0; |
3577 | ||
3578 | *res = 0; | |
3579 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_AVAIL - 1U))) | |
3580 | return -EIO; | |
3581 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_AVAIL)) { | |
c0eae66e BH |
3582 | p = xdr_inline_decode(xdr, 8); |
3583 | if (unlikely(!p)) | |
eb72f484 | 3584 | return -EIO; |
cccddf4f | 3585 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3586 | bitmap[0] &= ~FATTR4_WORD0_FILES_AVAIL; |
3587 | } | |
3110ff80 | 3588 | dprintk("%s: files avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 LT |
3589 | return status; |
3590 | } | |
3591 | ||
3592 | static int decode_attr_files_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3593 | { | |
8687b63a | 3594 | __be32 *p; |
1da177e4 LT |
3595 | int status = 0; |
3596 | ||
3597 | *res = 0; | |
3598 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_FREE - 1U))) | |
3599 | return -EIO; | |
3600 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_FREE)) { | |
c0eae66e BH |
3601 | p = xdr_inline_decode(xdr, 8); |
3602 | if (unlikely(!p)) | |
eb72f484 | 3603 | return -EIO; |
cccddf4f | 3604 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3605 | bitmap[0] &= ~FATTR4_WORD0_FILES_FREE; |
3606 | } | |
3110ff80 | 3607 | dprintk("%s: files free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 LT |
3608 | return status; |
3609 | } | |
3610 | ||
3611 | static int decode_attr_files_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3612 | { | |
8687b63a | 3613 | __be32 *p; |
1da177e4 LT |
3614 | int status = 0; |
3615 | ||
3616 | *res = 0; | |
3617 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_TOTAL - 1U))) | |
3618 | return -EIO; | |
3619 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_TOTAL)) { | |
c0eae66e BH |
3620 | p = xdr_inline_decode(xdr, 8); |
3621 | if (unlikely(!p)) | |
eb72f484 | 3622 | return -EIO; |
cccddf4f | 3623 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3624 | bitmap[0] &= ~FATTR4_WORD0_FILES_TOTAL; |
3625 | } | |
3110ff80 | 3626 | dprintk("%s: files total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 LT |
3627 | return status; |
3628 | } | |
3629 | ||
7aaa0b3b MN |
3630 | static int decode_pathname(struct xdr_stream *xdr, struct nfs4_pathname *path) |
3631 | { | |
464ad6b1 | 3632 | u32 n; |
8687b63a | 3633 | __be32 *p; |
7aaa0b3b MN |
3634 | int status = 0; |
3635 | ||
c0eae66e BH |
3636 | p = xdr_inline_decode(xdr, 4); |
3637 | if (unlikely(!p)) | |
eb72f484 | 3638 | return -EIO; |
cccddf4f | 3639 | n = be32_to_cpup(p); |
33a43f28 AA |
3640 | if (n == 0) |
3641 | goto root_path; | |
02a2976c | 3642 | dprintk("pathname4: "); |
809b426c TM |
3643 | if (n > NFS4_PATHNAME_MAXCOMPONENTS) { |
3644 | dprintk("cannot parse %d components in path\n", n); | |
3645 | goto out_eio; | |
3646 | } | |
3647 | for (path->ncomponents = 0; path->ncomponents < n; path->ncomponents++) { | |
7aaa0b3b MN |
3648 | struct nfs4_string *component = &path->components[path->ncomponents]; |
3649 | status = decode_opaque_inline(xdr, &component->len, &component->data); | |
3650 | if (unlikely(status != 0)) | |
3651 | goto out_eio; | |
95a13f7b | 3652 | ifdebug (XDR) |
02a2976c CL |
3653 | pr_cont("%s%.*s ", |
3654 | (path->ncomponents != n ? "/ " : ""), | |
3655 | component->len, component->data); | |
7aaa0b3b MN |
3656 | } |
3657 | out: | |
7aaa0b3b | 3658 | return status; |
33a43f28 AA |
3659 | root_path: |
3660 | /* a root pathname is sent as a zero component4 */ | |
3661 | path->ncomponents = 1; | |
3662 | path->components[0].len=0; | |
3663 | path->components[0].data=NULL; | |
02a2976c | 3664 | dprintk("pathname4: /\n"); |
33a43f28 | 3665 | goto out; |
7aaa0b3b MN |
3666 | out_eio: |
3667 | dprintk(" status %d", status); | |
3668 | status = -EIO; | |
3669 | goto out; | |
3670 | } | |
3671 | ||
3672 | static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_fs_locations *res) | |
683b57b4 TM |
3673 | { |
3674 | int n; | |
8687b63a | 3675 | __be32 *p; |
683b57b4 TM |
3676 | int status = -EIO; |
3677 | ||
3678 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FS_LOCATIONS -1U))) | |
3679 | goto out; | |
3680 | status = 0; | |
3681 | if (unlikely(!(bitmap[0] & FATTR4_WORD0_FS_LOCATIONS))) | |
3682 | goto out; | |
f54423a1 | 3683 | bitmap[0] &= ~FATTR4_WORD0_FS_LOCATIONS; |
8b7e3f49 TM |
3684 | status = -EIO; |
3685 | /* Ignore borken servers that return unrequested attrs */ | |
3686 | if (unlikely(res == NULL)) | |
3687 | goto out; | |
02a2976c | 3688 | dprintk("%s: fsroot:\n", __func__); |
7aaa0b3b | 3689 | status = decode_pathname(xdr, &res->fs_path); |
683b57b4 TM |
3690 | if (unlikely(status != 0)) |
3691 | goto out; | |
c0eae66e BH |
3692 | p = xdr_inline_decode(xdr, 4); |
3693 | if (unlikely(!p)) | |
eb72f484 | 3694 | goto out_eio; |
cccddf4f | 3695 | n = be32_to_cpup(p); |
683b57b4 TM |
3696 | if (n <= 0) |
3697 | goto out_eio; | |
809b426c | 3698 | for (res->nlocations = 0; res->nlocations < n; res->nlocations++) { |
464ad6b1 | 3699 | u32 m; |
809b426c | 3700 | struct nfs4_fs_location *loc; |
683b57b4 | 3701 | |
809b426c TM |
3702 | if (res->nlocations == NFS4_FS_LOCATIONS_MAXENTRIES) |
3703 | break; | |
3704 | loc = &res->locations[res->nlocations]; | |
c0eae66e BH |
3705 | p = xdr_inline_decode(xdr, 4); |
3706 | if (unlikely(!p)) | |
eb72f484 | 3707 | goto out_eio; |
cccddf4f | 3708 | m = be32_to_cpup(p); |
7aaa0b3b | 3709 | |
02a2976c | 3710 | dprintk("%s: servers:\n", __func__); |
809b426c TM |
3711 | for (loc->nservers = 0; loc->nservers < m; loc->nservers++) { |
3712 | struct nfs4_string *server; | |
3713 | ||
3714 | if (loc->nservers == NFS4_FS_LOCATION_MAXSERVERS) { | |
464ad6b1 CL |
3715 | unsigned int i; |
3716 | dprintk("%s: using first %u of %u servers " | |
3717 | "returned for location %u\n", | |
3110ff80 | 3718 | __func__, |
464ad6b1 CL |
3719 | NFS4_FS_LOCATION_MAXSERVERS, |
3720 | m, res->nlocations); | |
7aaa0b3b | 3721 | for (i = loc->nservers; i < m; i++) { |
2e42c3e2 | 3722 | unsigned int len; |
7aaa0b3b MN |
3723 | char *data; |
3724 | status = decode_opaque_inline(xdr, &len, &data); | |
3725 | if (unlikely(status != 0)) | |
3726 | goto out_eio; | |
3727 | } | |
809b426c | 3728 | break; |
7aaa0b3b | 3729 | } |
809b426c TM |
3730 | server = &loc->servers[loc->nservers]; |
3731 | status = decode_opaque_inline(xdr, &server->len, &server->data); | |
3732 | if (unlikely(status != 0)) | |
3733 | goto out_eio; | |
3734 | dprintk("%s ", server->data); | |
7aaa0b3b MN |
3735 | } |
3736 | status = decode_pathname(xdr, &loc->rootpath); | |
683b57b4 TM |
3737 | if (unlikely(status != 0)) |
3738 | goto out_eio; | |
683b57b4 | 3739 | } |
409924e4 | 3740 | if (res->nlocations != 0) |
81934ddb | 3741 | status = NFS_ATTR_FATTR_V4_LOCATIONS; |
683b57b4 | 3742 | out: |
3110ff80 | 3743 | dprintk("%s: fs_locations done, error = %d\n", __func__, status); |
683b57b4 TM |
3744 | return status; |
3745 | out_eio: | |
3746 | status = -EIO; | |
3747 | goto out; | |
3748 | } | |
3749 | ||
1da177e4 LT |
3750 | static int decode_attr_maxfilesize(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
3751 | { | |
8687b63a | 3752 | __be32 *p; |
1da177e4 LT |
3753 | int status = 0; |
3754 | ||
3755 | *res = 0; | |
3756 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXFILESIZE - 1U))) | |
3757 | return -EIO; | |
3758 | if (likely(bitmap[0] & FATTR4_WORD0_MAXFILESIZE)) { | |
c0eae66e BH |
3759 | p = xdr_inline_decode(xdr, 8); |
3760 | if (unlikely(!p)) | |
eb72f484 | 3761 | return -EIO; |
cccddf4f | 3762 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3763 | bitmap[0] &= ~FATTR4_WORD0_MAXFILESIZE; |
3764 | } | |
3110ff80 | 3765 | dprintk("%s: maxfilesize=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 LT |
3766 | return status; |
3767 | } | |
3768 | ||
3769 | static int decode_attr_maxlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxlink) | |
3770 | { | |
8687b63a | 3771 | __be32 *p; |
1da177e4 LT |
3772 | int status = 0; |
3773 | ||
3774 | *maxlink = 1; | |
3775 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXLINK - 1U))) | |
3776 | return -EIO; | |
3777 | if (likely(bitmap[0] & FATTR4_WORD0_MAXLINK)) { | |
c0eae66e BH |
3778 | p = xdr_inline_decode(xdr, 4); |
3779 | if (unlikely(!p)) | |
eb72f484 | 3780 | return -EIO; |
cccddf4f | 3781 | *maxlink = be32_to_cpup(p); |
1da177e4 LT |
3782 | bitmap[0] &= ~FATTR4_WORD0_MAXLINK; |
3783 | } | |
3110ff80 | 3784 | dprintk("%s: maxlink=%u\n", __func__, *maxlink); |
1da177e4 LT |
3785 | return status; |
3786 | } | |
3787 | ||
3788 | static int decode_attr_maxname(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxname) | |
3789 | { | |
8687b63a | 3790 | __be32 *p; |
1da177e4 LT |
3791 | int status = 0; |
3792 | ||
3793 | *maxname = 1024; | |
3794 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXNAME - 1U))) | |
3795 | return -EIO; | |
3796 | if (likely(bitmap[0] & FATTR4_WORD0_MAXNAME)) { | |
c0eae66e BH |
3797 | p = xdr_inline_decode(xdr, 4); |
3798 | if (unlikely(!p)) | |
eb72f484 | 3799 | return -EIO; |
cccddf4f | 3800 | *maxname = be32_to_cpup(p); |
1da177e4 LT |
3801 | bitmap[0] &= ~FATTR4_WORD0_MAXNAME; |
3802 | } | |
3110ff80 | 3803 | dprintk("%s: maxname=%u\n", __func__, *maxname); |
1da177e4 LT |
3804 | return status; |
3805 | } | |
3806 | ||
3807 | static int decode_attr_maxread(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3808 | { | |
8687b63a | 3809 | __be32 *p; |
1da177e4 LT |
3810 | int status = 0; |
3811 | ||
3812 | *res = 1024; | |
3813 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXREAD - 1U))) | |
3814 | return -EIO; | |
3815 | if (likely(bitmap[0] & FATTR4_WORD0_MAXREAD)) { | |
3816 | uint64_t maxread; | |
c0eae66e BH |
3817 | p = xdr_inline_decode(xdr, 8); |
3818 | if (unlikely(!p)) | |
eb72f484 | 3819 | return -EIO; |
cccddf4f | 3820 | xdr_decode_hyper(p, &maxread); |
1da177e4 LT |
3821 | if (maxread > 0x7FFFFFFF) |
3822 | maxread = 0x7FFFFFFF; | |
3823 | *res = (uint32_t)maxread; | |
3824 | bitmap[0] &= ~FATTR4_WORD0_MAXREAD; | |
3825 | } | |
3110ff80 | 3826 | dprintk("%s: maxread=%lu\n", __func__, (unsigned long)*res); |
1da177e4 LT |
3827 | return status; |
3828 | } | |
3829 | ||
3830 | static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3831 | { | |
8687b63a | 3832 | __be32 *p; |
1da177e4 LT |
3833 | int status = 0; |
3834 | ||
3835 | *res = 1024; | |
3836 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXWRITE - 1U))) | |
3837 | return -EIO; | |
3838 | if (likely(bitmap[0] & FATTR4_WORD0_MAXWRITE)) { | |
3839 | uint64_t maxwrite; | |
c0eae66e BH |
3840 | p = xdr_inline_decode(xdr, 8); |
3841 | if (unlikely(!p)) | |
eb72f484 | 3842 | return -EIO; |
cccddf4f | 3843 | xdr_decode_hyper(p, &maxwrite); |
1da177e4 LT |
3844 | if (maxwrite > 0x7FFFFFFF) |
3845 | maxwrite = 0x7FFFFFFF; | |
3846 | *res = (uint32_t)maxwrite; | |
3847 | bitmap[0] &= ~FATTR4_WORD0_MAXWRITE; | |
3848 | } | |
3110ff80 | 3849 | dprintk("%s: maxwrite=%lu\n", __func__, (unsigned long)*res); |
1da177e4 LT |
3850 | return status; |
3851 | } | |
3852 | ||
bca79478 | 3853 | static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, umode_t *mode) |
1da177e4 | 3854 | { |
bca79478 | 3855 | uint32_t tmp; |
8687b63a | 3856 | __be32 *p; |
409924e4 | 3857 | int ret = 0; |
1da177e4 LT |
3858 | |
3859 | *mode = 0; | |
3860 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MODE - 1U))) | |
3861 | return -EIO; | |
3862 | if (likely(bitmap[1] & FATTR4_WORD1_MODE)) { | |
c0eae66e BH |
3863 | p = xdr_inline_decode(xdr, 4); |
3864 | if (unlikely(!p)) | |
eb72f484 | 3865 | return -EIO; |
cccddf4f | 3866 | tmp = be32_to_cpup(p); |
bca79478 | 3867 | *mode = tmp & ~S_IFMT; |
1da177e4 | 3868 | bitmap[1] &= ~FATTR4_WORD1_MODE; |
409924e4 | 3869 | ret = NFS_ATTR_FATTR_MODE; |
1da177e4 | 3870 | } |
3110ff80 | 3871 | dprintk("%s: file mode=0%o\n", __func__, (unsigned int)*mode); |
409924e4 | 3872 | return ret; |
1da177e4 LT |
3873 | } |
3874 | ||
3875 | static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *nlink) | |
3876 | { | |
8687b63a | 3877 | __be32 *p; |
409924e4 | 3878 | int ret = 0; |
1da177e4 LT |
3879 | |
3880 | *nlink = 1; | |
3881 | if (unlikely(bitmap[1] & (FATTR4_WORD1_NUMLINKS - 1U))) | |
3882 | return -EIO; | |
3883 | if (likely(bitmap[1] & FATTR4_WORD1_NUMLINKS)) { | |
c0eae66e BH |
3884 | p = xdr_inline_decode(xdr, 4); |
3885 | if (unlikely(!p)) | |
eb72f484 | 3886 | return -EIO; |
cccddf4f | 3887 | *nlink = be32_to_cpup(p); |
1da177e4 | 3888 | bitmap[1] &= ~FATTR4_WORD1_NUMLINKS; |
409924e4 | 3889 | ret = NFS_ATTR_FATTR_NLINK; |
1da177e4 | 3890 | } |
3110ff80 | 3891 | dprintk("%s: nlink=%u\n", __func__, (unsigned int)*nlink); |
409924e4 | 3892 | return ret; |
1da177e4 LT |
3893 | } |
3894 | ||
686a816a TM |
3895 | static ssize_t decode_nfs4_string(struct xdr_stream *xdr, |
3896 | struct nfs4_string *name, gfp_t gfp_flags) | |
3897 | { | |
3898 | ssize_t ret; | |
3899 | ||
3900 | ret = xdr_stream_decode_string_dup(xdr, &name->data, | |
3901 | XDR_MAX_NETOBJ, gfp_flags); | |
3902 | name->len = 0; | |
3903 | if (ret > 0) | |
3904 | name->len = ret; | |
3905 | return ret; | |
3906 | } | |
3907 | ||
80e52ace | 3908 | static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, |
e5782076 | 3909 | const struct nfs_server *server, kuid_t *uid, |
6926afd1 | 3910 | struct nfs4_string *owner_name) |
1da177e4 | 3911 | { |
686a816a TM |
3912 | ssize_t len; |
3913 | char *p; | |
1da177e4 | 3914 | |
e5782076 | 3915 | *uid = make_kuid(&init_user_ns, -2); |
1da177e4 LT |
3916 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER - 1U))) |
3917 | return -EIO; | |
686a816a TM |
3918 | if (!(bitmap[1] & FATTR4_WORD1_OWNER)) |
3919 | return 0; | |
3920 | bitmap[1] &= ~FATTR4_WORD1_OWNER; | |
3921 | ||
3922 | if (owner_name != NULL) { | |
e8d8aa46 | 3923 | len = decode_nfs4_string(xdr, owner_name, GFP_NOIO); |
686a816a TM |
3924 | if (len <= 0) |
3925 | goto out; | |
3926 | dprintk("%s: name=%s\n", __func__, owner_name->data); | |
3927 | return NFS_ATTR_FATTR_OWNER_NAME; | |
3928 | } else { | |
3929 | len = xdr_stream_decode_opaque_inline(xdr, (void **)&p, | |
3930 | XDR_MAX_NETOBJ); | |
3931 | if (len <= 0 || nfs_map_name_to_uid(server, p, len, uid) != 0) | |
3932 | goto out; | |
3933 | dprintk("%s: uid=%d\n", __func__, (int)from_kuid(&init_user_ns, *uid)); | |
3934 | return NFS_ATTR_FATTR_OWNER; | |
1da177e4 | 3935 | } |
686a816a | 3936 | out: |
eb72f484 CL |
3937 | if (len == -EBADMSG) |
3938 | return -EIO; | |
3939 | return 0; | |
1da177e4 LT |
3940 | } |
3941 | ||
80e52ace | 3942 | static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, |
e5782076 | 3943 | const struct nfs_server *server, kgid_t *gid, |
6926afd1 | 3944 | struct nfs4_string *group_name) |
1da177e4 | 3945 | { |
686a816a TM |
3946 | ssize_t len; |
3947 | char *p; | |
1da177e4 | 3948 | |
e5782076 | 3949 | *gid = make_kgid(&init_user_ns, -2); |
1da177e4 LT |
3950 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER_GROUP - 1U))) |
3951 | return -EIO; | |
686a816a TM |
3952 | if (!(bitmap[1] & FATTR4_WORD1_OWNER_GROUP)) |
3953 | return 0; | |
3954 | bitmap[1] &= ~FATTR4_WORD1_OWNER_GROUP; | |
3955 | ||
3956 | if (group_name != NULL) { | |
e8d8aa46 | 3957 | len = decode_nfs4_string(xdr, group_name, GFP_NOIO); |
686a816a TM |
3958 | if (len <= 0) |
3959 | goto out; | |
3960 | dprintk("%s: name=%s\n", __func__, group_name->data); | |
6f1f6220 | 3961 | return NFS_ATTR_FATTR_GROUP_NAME; |
686a816a TM |
3962 | } else { |
3963 | len = xdr_stream_decode_opaque_inline(xdr, (void **)&p, | |
3964 | XDR_MAX_NETOBJ); | |
3965 | if (len <= 0 || nfs_map_group_to_gid(server, p, len, gid) != 0) | |
3966 | goto out; | |
3967 | dprintk("%s: gid=%d\n", __func__, (int)from_kgid(&init_user_ns, *gid)); | |
3968 | return NFS_ATTR_FATTR_GROUP; | |
1da177e4 | 3969 | } |
686a816a | 3970 | out: |
eb72f484 CL |
3971 | if (len == -EBADMSG) |
3972 | return -EIO; | |
3973 | return 0; | |
1da177e4 LT |
3974 | } |
3975 | ||
3976 | static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rdev) | |
3977 | { | |
8687b63a AV |
3978 | uint32_t major = 0, minor = 0; |
3979 | __be32 *p; | |
409924e4 | 3980 | int ret = 0; |
1da177e4 LT |
3981 | |
3982 | *rdev = MKDEV(0,0); | |
3983 | if (unlikely(bitmap[1] & (FATTR4_WORD1_RAWDEV - 1U))) | |
3984 | return -EIO; | |
3985 | if (likely(bitmap[1] & FATTR4_WORD1_RAWDEV)) { | |
3986 | dev_t tmp; | |
3987 | ||
c0eae66e BH |
3988 | p = xdr_inline_decode(xdr, 8); |
3989 | if (unlikely(!p)) | |
eb72f484 | 3990 | return -EIO; |
6f723f77 | 3991 | major = be32_to_cpup(p++); |
cccddf4f | 3992 | minor = be32_to_cpup(p); |
1da177e4 LT |
3993 | tmp = MKDEV(major, minor); |
3994 | if (MAJOR(tmp) == major && MINOR(tmp) == minor) | |
3995 | *rdev = tmp; | |
3996 | bitmap[1] &= ~ FATTR4_WORD1_RAWDEV; | |
409924e4 | 3997 | ret = NFS_ATTR_FATTR_RDEV; |
1da177e4 | 3998 | } |
3110ff80 | 3999 | dprintk("%s: rdev=(0x%x:0x%x)\n", __func__, major, minor); |
409924e4 | 4000 | return ret; |
1da177e4 LT |
4001 | } |
4002 | ||
4003 | static int decode_attr_space_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
4004 | { | |
8687b63a | 4005 | __be32 *p; |
1da177e4 LT |
4006 | int status = 0; |
4007 | ||
4008 | *res = 0; | |
4009 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_AVAIL - 1U))) | |
4010 | return -EIO; | |
4011 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_AVAIL)) { | |
c0eae66e BH |
4012 | p = xdr_inline_decode(xdr, 8); |
4013 | if (unlikely(!p)) | |
eb72f484 | 4014 | return -EIO; |
cccddf4f | 4015 | xdr_decode_hyper(p, res); |
1da177e4 LT |
4016 | bitmap[1] &= ~FATTR4_WORD1_SPACE_AVAIL; |
4017 | } | |
3110ff80 | 4018 | dprintk("%s: space avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 LT |
4019 | return status; |
4020 | } | |
4021 | ||
4022 | static int decode_attr_space_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
4023 | { | |
8687b63a | 4024 | __be32 *p; |
1da177e4 LT |
4025 | int status = 0; |
4026 | ||
4027 | *res = 0; | |
4028 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_FREE - 1U))) | |
4029 | return -EIO; | |
4030 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_FREE)) { | |
c0eae66e BH |
4031 | p = xdr_inline_decode(xdr, 8); |
4032 | if (unlikely(!p)) | |
eb72f484 | 4033 | return -EIO; |
cccddf4f | 4034 | xdr_decode_hyper(p, res); |
1da177e4 LT |
4035 | bitmap[1] &= ~FATTR4_WORD1_SPACE_FREE; |
4036 | } | |
3110ff80 | 4037 | dprintk("%s: space free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 LT |
4038 | return status; |
4039 | } | |
4040 | ||
4041 | static int decode_attr_space_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
4042 | { | |
8687b63a | 4043 | __be32 *p; |
1da177e4 LT |
4044 | int status = 0; |
4045 | ||
4046 | *res = 0; | |
4047 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_TOTAL - 1U))) | |
4048 | return -EIO; | |
4049 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_TOTAL)) { | |
c0eae66e BH |
4050 | p = xdr_inline_decode(xdr, 8); |
4051 | if (unlikely(!p)) | |
eb72f484 | 4052 | return -EIO; |
cccddf4f | 4053 | xdr_decode_hyper(p, res); |
1da177e4 LT |
4054 | bitmap[1] &= ~FATTR4_WORD1_SPACE_TOTAL; |
4055 | } | |
3110ff80 | 4056 | dprintk("%s: space total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 LT |
4057 | return status; |
4058 | } | |
4059 | ||
4060 | static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *used) | |
4061 | { | |
8687b63a | 4062 | __be32 *p; |
409924e4 | 4063 | int ret = 0; |
1da177e4 LT |
4064 | |
4065 | *used = 0; | |
4066 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_USED - 1U))) | |
4067 | return -EIO; | |
4068 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_USED)) { | |
c0eae66e BH |
4069 | p = xdr_inline_decode(xdr, 8); |
4070 | if (unlikely(!p)) | |
eb72f484 | 4071 | return -EIO; |
cccddf4f | 4072 | xdr_decode_hyper(p, used); |
1da177e4 | 4073 | bitmap[1] &= ~FATTR4_WORD1_SPACE_USED; |
409924e4 | 4074 | ret = NFS_ATTR_FATTR_SPACE_USED; |
1da177e4 | 4075 | } |
3110ff80 | 4076 | dprintk("%s: space used=%Lu\n", __func__, |
1da177e4 | 4077 | (unsigned long long)*used); |
409924e4 | 4078 | return ret; |
1da177e4 LT |
4079 | } |
4080 | ||
36b3743f | 4081 | static __be32 * |
e86d5a02 | 4082 | xdr_decode_nfstime4(__be32 *p, struct timespec64 *t) |
36b3743f TM |
4083 | { |
4084 | __u64 sec; | |
4085 | ||
4086 | p = xdr_decode_hyper(p, &sec); | |
e86d5a02 | 4087 | t-> tv_sec = sec; |
36b3743f TM |
4088 | t->tv_nsec = be32_to_cpup(p++); |
4089 | return p; | |
4090 | } | |
4091 | ||
e86d5a02 | 4092 | static int decode_attr_time(struct xdr_stream *xdr, struct timespec64 *time) |
1da177e4 | 4093 | { |
8687b63a | 4094 | __be32 *p; |
1da177e4 | 4095 | |
36b3743f | 4096 | p = xdr_inline_decode(xdr, nfstime4_maxsz << 2); |
c0eae66e | 4097 | if (unlikely(!p)) |
eb72f484 | 4098 | return -EIO; |
36b3743f | 4099 | xdr_decode_nfstime4(p, time); |
1da177e4 LT |
4100 | return 0; |
4101 | } | |
4102 | ||
e86d5a02 | 4103 | static int decode_attr_time_access(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec64 *time) |
1da177e4 LT |
4104 | { |
4105 | int status = 0; | |
4106 | ||
4107 | time->tv_sec = 0; | |
4108 | time->tv_nsec = 0; | |
4109 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_ACCESS - 1U))) | |
4110 | return -EIO; | |
4111 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_ACCESS)) { | |
4112 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4113 | if (status == 0) |
4114 | status = NFS_ATTR_FATTR_ATIME; | |
1da177e4 LT |
4115 | bitmap[1] &= ~FATTR4_WORD1_TIME_ACCESS; |
4116 | } | |
ae08483c | 4117 | dprintk("%s: atime=%lld\n", __func__, time->tv_sec); |
1da177e4 LT |
4118 | return status; |
4119 | } | |
4120 | ||
e86d5a02 | 4121 | static int decode_attr_time_metadata(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec64 *time) |
1da177e4 LT |
4122 | { |
4123 | int status = 0; | |
4124 | ||
4125 | time->tv_sec = 0; | |
4126 | time->tv_nsec = 0; | |
4127 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_METADATA - 1U))) | |
4128 | return -EIO; | |
4129 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_METADATA)) { | |
4130 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4131 | if (status == 0) |
4132 | status = NFS_ATTR_FATTR_CTIME; | |
1da177e4 LT |
4133 | bitmap[1] &= ~FATTR4_WORD1_TIME_METADATA; |
4134 | } | |
ae08483c | 4135 | dprintk("%s: ctime=%lld\n", __func__, time->tv_sec); |
1da177e4 LT |
4136 | return status; |
4137 | } | |
4138 | ||
55b6e774 | 4139 | static int decode_attr_time_delta(struct xdr_stream *xdr, uint32_t *bitmap, |
e86d5a02 | 4140 | struct timespec64 *time) |
55b6e774 RL |
4141 | { |
4142 | int status = 0; | |
4143 | ||
4144 | time->tv_sec = 0; | |
4145 | time->tv_nsec = 0; | |
4146 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_DELTA - 1U))) | |
4147 | return -EIO; | |
4148 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_DELTA)) { | |
4149 | status = decode_attr_time(xdr, time); | |
4150 | bitmap[1] &= ~FATTR4_WORD1_TIME_DELTA; | |
4151 | } | |
ae08483c AB |
4152 | dprintk("%s: time_delta=%lld %ld\n", __func__, time->tv_sec, |
4153 | time->tv_nsec); | |
55b6e774 RL |
4154 | return status; |
4155 | } | |
4156 | ||
aa9c2669 DQ |
4157 | static int decode_attr_security_label(struct xdr_stream *xdr, uint32_t *bitmap, |
4158 | struct nfs4_label *label) | |
4159 | { | |
4160 | uint32_t pi = 0; | |
4161 | uint32_t lfs = 0; | |
4162 | __u32 len; | |
4163 | __be32 *p; | |
4164 | int status = 0; | |
4165 | ||
4166 | if (unlikely(bitmap[2] & (FATTR4_WORD2_SECURITY_LABEL - 1U))) | |
4167 | return -EIO; | |
4168 | if (likely(bitmap[2] & FATTR4_WORD2_SECURITY_LABEL)) { | |
4169 | p = xdr_inline_decode(xdr, 4); | |
4170 | if (unlikely(!p)) | |
eb72f484 | 4171 | return -EIO; |
aa9c2669 DQ |
4172 | lfs = be32_to_cpup(p++); |
4173 | p = xdr_inline_decode(xdr, 4); | |
4174 | if (unlikely(!p)) | |
eb72f484 | 4175 | return -EIO; |
aa9c2669 DQ |
4176 | pi = be32_to_cpup(p++); |
4177 | p = xdr_inline_decode(xdr, 4); | |
4178 | if (unlikely(!p)) | |
eb72f484 | 4179 | return -EIO; |
aa9c2669 DQ |
4180 | len = be32_to_cpup(p++); |
4181 | p = xdr_inline_decode(xdr, len); | |
4182 | if (unlikely(!p)) | |
eb72f484 | 4183 | return -EIO; |
aa9c2669 DQ |
4184 | if (len < NFS4_MAXLABELLEN) { |
4185 | if (label) { | |
b4487b93 JM |
4186 | if (label->len) { |
4187 | if (label->len < len) | |
4188 | return -ERANGE; | |
4189 | memcpy(label->label, p, len); | |
4190 | } | |
aa9c2669 DQ |
4191 | label->len = len; |
4192 | label->pi = pi; | |
4193 | label->lfs = lfs; | |
4194 | status = NFS_ATTR_FATTR_V4_SECURITY_LABEL; | |
4195 | } | |
4196 | bitmap[2] &= ~FATTR4_WORD2_SECURITY_LABEL; | |
4197 | } else | |
4198 | printk(KERN_WARNING "%s: label too long (%u)!\n", | |
4199 | __func__, len); | |
4200 | } | |
4201 | if (label && label->label) | |
4202 | dprintk("%s: label=%s, len=%d, PI=%d, LFS=%d\n", __func__, | |
4203 | (char *)label->label, label->len, label->pi, label->lfs); | |
4204 | return status; | |
aa9c2669 DQ |
4205 | } |
4206 | ||
e86d5a02 | 4207 | static int decode_attr_time_modify(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec64 *time) |
1da177e4 LT |
4208 | { |
4209 | int status = 0; | |
4210 | ||
4211 | time->tv_sec = 0; | |
4212 | time->tv_nsec = 0; | |
4213 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_MODIFY - 1U))) | |
4214 | return -EIO; | |
4215 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_MODIFY)) { | |
4216 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4217 | if (status == 0) |
4218 | status = NFS_ATTR_FATTR_MTIME; | |
1da177e4 LT |
4219 | bitmap[1] &= ~FATTR4_WORD1_TIME_MODIFY; |
4220 | } | |
ae08483c | 4221 | dprintk("%s: mtime=%lld\n", __func__, time->tv_sec); |
1da177e4 LT |
4222 | return status; |
4223 | } | |
4224 | ||
b78ef845 FL |
4225 | static int decode_attr_xattrsupport(struct xdr_stream *xdr, uint32_t *bitmap, |
4226 | uint32_t *res) | |
4227 | { | |
4228 | __be32 *p; | |
4229 | ||
4230 | *res = 0; | |
4231 | if (unlikely(bitmap[2] & (FATTR4_WORD2_XATTR_SUPPORT - 1U))) | |
4232 | return -EIO; | |
4233 | if (likely(bitmap[2] & FATTR4_WORD2_XATTR_SUPPORT)) { | |
4234 | p = xdr_inline_decode(xdr, 4); | |
4235 | if (unlikely(!p)) | |
4236 | return -EIO; | |
4237 | *res = be32_to_cpup(p); | |
4238 | bitmap[2] &= ~FATTR4_WORD2_XATTR_SUPPORT; | |
4239 | } | |
4240 | dprintk("%s: XATTR support=%s\n", __func__, | |
4241 | *res == 0 ? "false" : "true"); | |
4242 | return 0; | |
4243 | } | |
4244 | ||
256e48bb | 4245 | static int verify_attr_len(struct xdr_stream *xdr, unsigned int savep, uint32_t attrlen) |
1da177e4 LT |
4246 | { |
4247 | unsigned int attrwords = XDR_QUADLEN(attrlen); | |
256e48bb | 4248 | unsigned int nwords = (xdr_stream_pos(xdr) - savep) >> 2; |
1da177e4 LT |
4249 | |
4250 | if (unlikely(attrwords != nwords)) { | |
fe82a183 CL |
4251 | dprintk("%s: server returned incorrect attribute length: " |
4252 | "%u %c %u\n", | |
3110ff80 | 4253 | __func__, |
1da177e4 LT |
4254 | attrwords << 2, |
4255 | (attrwords < nwords) ? '<' : '>', | |
4256 | nwords << 2); | |
4257 | return -EIO; | |
4258 | } | |
4259 | return 0; | |
4260 | } | |
4261 | ||
4262 | static int decode_change_info(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4263 | { | |
8687b63a | 4264 | __be32 *p; |
1da177e4 | 4265 | |
c0eae66e BH |
4266 | p = xdr_inline_decode(xdr, 20); |
4267 | if (unlikely(!p)) | |
eb72f484 | 4268 | return -EIO; |
6f723f77 | 4269 | cinfo->atomic = be32_to_cpup(p++); |
3ceb4dbb | 4270 | p = xdr_decode_hyper(p, &cinfo->before); |
cccddf4f | 4271 | xdr_decode_hyper(p, &cinfo->after); |
1da177e4 LT |
4272 | return 0; |
4273 | } | |
4274 | ||
6168f62c | 4275 | static int decode_access(struct xdr_stream *xdr, u32 *supported, u32 *access) |
1da177e4 | 4276 | { |
8687b63a | 4277 | __be32 *p; |
1da177e4 LT |
4278 | uint32_t supp, acc; |
4279 | int status; | |
4280 | ||
4281 | status = decode_op_hdr(xdr, OP_ACCESS); | |
4282 | if (status) | |
4283 | return status; | |
c0eae66e BH |
4284 | p = xdr_inline_decode(xdr, 8); |
4285 | if (unlikely(!p)) | |
eb72f484 | 4286 | return -EIO; |
6f723f77 | 4287 | supp = be32_to_cpup(p++); |
cccddf4f | 4288 | acc = be32_to_cpup(p); |
6168f62c WAA |
4289 | *supported = supp; |
4290 | *access = acc; | |
1da177e4 LT |
4291 | return 0; |
4292 | } | |
4293 | ||
07d30434 | 4294 | static int decode_opaque_fixed(struct xdr_stream *xdr, void *buf, size_t len) |
1da177e4 | 4295 | { |
ab6e9aaf | 4296 | ssize_t ret = xdr_stream_decode_opaque_fixed(xdr, buf, len); |
eb72f484 | 4297 | if (unlikely(ret < 0)) |
ab6e9aaf | 4298 | return -EIO; |
ab6e9aaf | 4299 | return 0; |
07d30434 BH |
4300 | } |
4301 | ||
4302 | static int decode_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) | |
4303 | { | |
2d2f24ad | 4304 | return decode_opaque_fixed(xdr, stateid, NFS4_STATEID_SIZE); |
07d30434 BH |
4305 | } |
4306 | ||
93b717fd TM |
4307 | static int decode_open_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) |
4308 | { | |
4309 | stateid->type = NFS4_OPEN_STATEID_TYPE; | |
4310 | return decode_stateid(xdr, stateid); | |
4311 | } | |
4312 | ||
4313 | static int decode_lock_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) | |
4314 | { | |
4315 | stateid->type = NFS4_LOCK_STATEID_TYPE; | |
4316 | return decode_stateid(xdr, stateid); | |
4317 | } | |
4318 | ||
4319 | static int decode_delegation_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) | |
4320 | { | |
4321 | stateid->type = NFS4_DELEGATION_STATEID_TYPE; | |
4322 | return decode_stateid(xdr, stateid); | |
4323 | } | |
4324 | ||
fcd8843c TM |
4325 | static int decode_invalid_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) |
4326 | { | |
4327 | nfs4_stateid dummy; | |
4328 | ||
4329 | nfs4_stateid_copy(stateid, &invalid_stateid); | |
4330 | return decode_stateid(xdr, &dummy); | |
4331 | } | |
4332 | ||
07d30434 BH |
4333 | static int decode_close(struct xdr_stream *xdr, struct nfs_closeres *res) |
4334 | { | |
1da177e4 LT |
4335 | int status; |
4336 | ||
4337 | status = decode_op_hdr(xdr, OP_CLOSE); | |
c1d51931 TM |
4338 | if (status != -EIO) |
4339 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 | 4340 | if (!status) |
fcd8843c | 4341 | status = decode_invalid_stateid(xdr, &res->stateid); |
07d30434 | 4342 | return status; |
1da177e4 LT |
4343 | } |
4344 | ||
db942bbd BH |
4345 | static int decode_verifier(struct xdr_stream *xdr, void *verifier) |
4346 | { | |
cd93710e | 4347 | return decode_opaque_fixed(xdr, verifier, NFS4_VERIFIER_SIZE); |
1da177e4 LT |
4348 | } |
4349 | ||
2f2c63bc TM |
4350 | static int decode_write_verifier(struct xdr_stream *xdr, struct nfs_write_verifier *verifier) |
4351 | { | |
4352 | return decode_opaque_fixed(xdr, verifier->data, NFS4_VERIFIER_SIZE); | |
4353 | } | |
4354 | ||
0b7c0153 | 4355 | static int decode_commit(struct xdr_stream *xdr, struct nfs_commitres *res) |
1da177e4 | 4356 | { |
221203ce | 4357 | struct nfs_writeverf *verf = res->verf; |
1da177e4 LT |
4358 | int status; |
4359 | ||
4360 | status = decode_op_hdr(xdr, OP_COMMIT); | |
db942bbd | 4361 | if (!status) |
221203ce TM |
4362 | status = decode_write_verifier(xdr, &verf->verifier); |
4363 | if (!status) | |
4364 | verf->committed = NFS_FILE_SYNC; | |
db942bbd | 4365 | return status; |
1da177e4 LT |
4366 | } |
4367 | ||
4368 | static int decode_create(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4369 | { | |
8687b63a | 4370 | __be32 *p; |
1da177e4 LT |
4371 | uint32_t bmlen; |
4372 | int status; | |
4373 | ||
4374 | status = decode_op_hdr(xdr, OP_CREATE); | |
4375 | if (status) | |
4376 | return status; | |
4377 | if ((status = decode_change_info(xdr, cinfo))) | |
4378 | return status; | |
c0eae66e BH |
4379 | p = xdr_inline_decode(xdr, 4); |
4380 | if (unlikely(!p)) | |
eb72f484 | 4381 | return -EIO; |
cccddf4f | 4382 | bmlen = be32_to_cpup(p); |
c0eae66e BH |
4383 | p = xdr_inline_decode(xdr, bmlen << 2); |
4384 | if (likely(p)) | |
4385 | return 0; | |
c0eae66e | 4386 | return -EIO; |
1da177e4 LT |
4387 | } |
4388 | ||
4389 | static int decode_server_caps(struct xdr_stream *xdr, struct nfs4_server_caps_res *res) | |
4390 | { | |
256e48bb | 4391 | unsigned int savep; |
dae100c2 | 4392 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 LT |
4393 | int status; |
4394 | ||
4395 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
4396 | goto xdr_error; | |
4397 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4398 | goto xdr_error; | |
4399 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4400 | goto xdr_error; | |
4401 | if ((status = decode_attr_supported(xdr, bitmap, res->attr_bitmask)) != 0) | |
4402 | goto xdr_error; | |
264e6351 CL |
4403 | if ((status = decode_attr_fh_expire_type(xdr, bitmap, |
4404 | &res->fh_expire_type)) != 0) | |
4405 | goto xdr_error; | |
1da177e4 LT |
4406 | if ((status = decode_attr_link_support(xdr, bitmap, &res->has_links)) != 0) |
4407 | goto xdr_error; | |
4408 | if ((status = decode_attr_symlink_support(xdr, bitmap, &res->has_symlinks)) != 0) | |
4409 | goto xdr_error; | |
4410 | if ((status = decode_attr_aclsupport(xdr, bitmap, &res->acl_bitmask)) != 0) | |
4411 | goto xdr_error; | |
8c61282f KM |
4412 | if ((status = decode_attr_exclcreat_supported(xdr, bitmap, |
4413 | res->exclcreat_bitmask)) != 0) | |
4414 | goto xdr_error; | |
1da177e4 LT |
4415 | status = verify_attr_len(xdr, savep, attrlen); |
4416 | xdr_error: | |
3110ff80 | 4417 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4418 | return status; |
4419 | } | |
6c0195a4 | 4420 | |
1da177e4 LT |
4421 | static int decode_statfs(struct xdr_stream *xdr, struct nfs_fsstat *fsstat) |
4422 | { | |
256e48bb | 4423 | unsigned int savep; |
dae100c2 | 4424 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 | 4425 | int status; |
6c0195a4 | 4426 | |
1da177e4 LT |
4427 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
4428 | goto xdr_error; | |
4429 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4430 | goto xdr_error; | |
4431 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4432 | goto xdr_error; | |
4433 | ||
4434 | if ((status = decode_attr_files_avail(xdr, bitmap, &fsstat->afiles)) != 0) | |
4435 | goto xdr_error; | |
4436 | if ((status = decode_attr_files_free(xdr, bitmap, &fsstat->ffiles)) != 0) | |
4437 | goto xdr_error; | |
4438 | if ((status = decode_attr_files_total(xdr, bitmap, &fsstat->tfiles)) != 0) | |
4439 | goto xdr_error; | |
1ca843a2 AG |
4440 | |
4441 | status = -EIO; | |
4442 | if (unlikely(bitmap[0])) | |
4443 | goto xdr_error; | |
4444 | ||
1da177e4 LT |
4445 | if ((status = decode_attr_space_avail(xdr, bitmap, &fsstat->abytes)) != 0) |
4446 | goto xdr_error; | |
4447 | if ((status = decode_attr_space_free(xdr, bitmap, &fsstat->fbytes)) != 0) | |
4448 | goto xdr_error; | |
4449 | if ((status = decode_attr_space_total(xdr, bitmap, &fsstat->tbytes)) != 0) | |
4450 | goto xdr_error; | |
4451 | ||
4452 | status = verify_attr_len(xdr, savep, attrlen); | |
4453 | xdr_error: | |
3110ff80 | 4454 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4455 | return status; |
4456 | } | |
4457 | ||
4458 | static int decode_pathconf(struct xdr_stream *xdr, struct nfs_pathconf *pathconf) | |
4459 | { | |
256e48bb | 4460 | unsigned int savep; |
dae100c2 | 4461 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 | 4462 | int status; |
6c0195a4 | 4463 | |
1da177e4 LT |
4464 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
4465 | goto xdr_error; | |
4466 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4467 | goto xdr_error; | |
4468 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4469 | goto xdr_error; | |
4470 | ||
4471 | if ((status = decode_attr_maxlink(xdr, bitmap, &pathconf->max_link)) != 0) | |
4472 | goto xdr_error; | |
4473 | if ((status = decode_attr_maxname(xdr, bitmap, &pathconf->max_namelen)) != 0) | |
4474 | goto xdr_error; | |
4475 | ||
4476 | status = verify_attr_len(xdr, savep, attrlen); | |
4477 | xdr_error: | |
3110ff80 | 4478 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4479 | return status; |
4480 | } | |
4481 | ||
88034c3d AA |
4482 | static int decode_threshold_hint(struct xdr_stream *xdr, |
4483 | uint32_t *bitmap, | |
4484 | uint64_t *res, | |
4485 | uint32_t hint_bit) | |
4486 | { | |
4487 | __be32 *p; | |
4488 | ||
4489 | *res = 0; | |
4490 | if (likely(bitmap[0] & hint_bit)) { | |
4491 | p = xdr_inline_decode(xdr, 8); | |
4492 | if (unlikely(!p)) | |
eb72f484 | 4493 | return -EIO; |
88034c3d AA |
4494 | xdr_decode_hyper(p, res); |
4495 | } | |
4496 | return 0; | |
88034c3d AA |
4497 | } |
4498 | ||
4499 | static int decode_first_threshold_item4(struct xdr_stream *xdr, | |
4500 | struct nfs4_threshold *res) | |
4501 | { | |
256e48bb TM |
4502 | __be32 *p; |
4503 | unsigned int savep; | |
88034c3d AA |
4504 | uint32_t bitmap[3] = {0,}, attrlen; |
4505 | int status; | |
4506 | ||
4507 | /* layout type */ | |
4508 | p = xdr_inline_decode(xdr, 4); | |
eb72f484 | 4509 | if (unlikely(!p)) |
88034c3d | 4510 | return -EIO; |
88034c3d AA |
4511 | res->l_type = be32_to_cpup(p); |
4512 | ||
4513 | /* thi_hintset bitmap */ | |
4514 | status = decode_attr_bitmap(xdr, bitmap); | |
4515 | if (status < 0) | |
4516 | goto xdr_error; | |
4517 | ||
4518 | /* thi_hintlist length */ | |
4519 | status = decode_attr_length(xdr, &attrlen, &savep); | |
4520 | if (status < 0) | |
4521 | goto xdr_error; | |
4522 | /* thi_hintlist */ | |
4523 | status = decode_threshold_hint(xdr, bitmap, &res->rd_sz, THRESHOLD_RD); | |
4524 | if (status < 0) | |
4525 | goto xdr_error; | |
4526 | status = decode_threshold_hint(xdr, bitmap, &res->wr_sz, THRESHOLD_WR); | |
4527 | if (status < 0) | |
4528 | goto xdr_error; | |
4529 | status = decode_threshold_hint(xdr, bitmap, &res->rd_io_sz, | |
4530 | THRESHOLD_RD_IO); | |
4531 | if (status < 0) | |
4532 | goto xdr_error; | |
4533 | status = decode_threshold_hint(xdr, bitmap, &res->wr_io_sz, | |
4534 | THRESHOLD_WR_IO); | |
4535 | if (status < 0) | |
4536 | goto xdr_error; | |
4537 | ||
4538 | status = verify_attr_len(xdr, savep, attrlen); | |
4539 | res->bm = bitmap[0]; | |
4540 | ||
4541 | dprintk("%s bm=0x%x rd_sz=%llu wr_sz=%llu rd_io=%llu wr_io=%llu\n", | |
4542 | __func__, res->bm, res->rd_sz, res->wr_sz, res->rd_io_sz, | |
4543 | res->wr_io_sz); | |
4544 | xdr_error: | |
4545 | dprintk("%s ret=%d!\n", __func__, status); | |
4546 | return status; | |
4547 | } | |
4548 | ||
4549 | /* | |
4550 | * Thresholds on pNFS direct I/O vrs MDS I/O | |
4551 | */ | |
4552 | static int decode_attr_mdsthreshold(struct xdr_stream *xdr, | |
4553 | uint32_t *bitmap, | |
4554 | struct nfs4_threshold *res) | |
4555 | { | |
4556 | __be32 *p; | |
4557 | int status = 0; | |
4558 | uint32_t num; | |
4559 | ||
4560 | if (unlikely(bitmap[2] & (FATTR4_WORD2_MDSTHRESHOLD - 1U))) | |
4561 | return -EIO; | |
029c5347 | 4562 | if (bitmap[2] & FATTR4_WORD2_MDSTHRESHOLD) { |
1549210f TM |
4563 | /* Did the server return an unrequested attribute? */ |
4564 | if (unlikely(res == NULL)) | |
4565 | return -EREMOTEIO; | |
88034c3d AA |
4566 | p = xdr_inline_decode(xdr, 4); |
4567 | if (unlikely(!p)) | |
eb72f484 | 4568 | return -EIO; |
88034c3d AA |
4569 | num = be32_to_cpup(p); |
4570 | if (num == 0) | |
4571 | return 0; | |
4572 | if (num > 1) | |
4573 | printk(KERN_INFO "%s: Warning: Multiple pNFS layout " | |
4574 | "drivers per filesystem not supported\n", | |
4575 | __func__); | |
4576 | ||
4577 | status = decode_first_threshold_item4(xdr, res); | |
029c5347 | 4578 | bitmap[2] &= ~FATTR4_WORD2_MDSTHRESHOLD; |
88034c3d AA |
4579 | } |
4580 | return status; | |
88034c3d AA |
4581 | } |
4582 | ||
ae42c70a BS |
4583 | static int decode_getfattr_attrs(struct xdr_stream *xdr, uint32_t *bitmap, |
4584 | struct nfs_fattr *fattr, struct nfs_fh *fh, | |
aa9c2669 | 4585 | struct nfs4_fs_locations *fs_loc, struct nfs4_label *label, |
6926afd1 | 4586 | const struct nfs_server *server) |
1da177e4 | 4587 | { |
bca79478 TM |
4588 | int status; |
4589 | umode_t fmode = 0; | |
ae42c70a | 4590 | uint32_t type; |
ee7b75fc | 4591 | int32_t err; |
1da177e4 | 4592 | |
f26c7a78 TM |
4593 | status = decode_attr_type(xdr, bitmap, &type); |
4594 | if (status < 0) | |
1da177e4 | 4595 | goto xdr_error; |
409924e4 TM |
4596 | fattr->mode = 0; |
4597 | if (status != 0) { | |
4598 | fattr->mode |= nfs_type2fmt[type]; | |
4599 | fattr->valid |= status; | |
4600 | } | |
1da177e4 | 4601 | |
f26c7a78 TM |
4602 | status = decode_attr_change(xdr, bitmap, &fattr->change_attr); |
4603 | if (status < 0) | |
1da177e4 | 4604 | goto xdr_error; |
409924e4 | 4605 | fattr->valid |= status; |
f26c7a78 TM |
4606 | |
4607 | status = decode_attr_size(xdr, bitmap, &fattr->size); | |
4608 | if (status < 0) | |
1da177e4 | 4609 | goto xdr_error; |
409924e4 | 4610 | fattr->valid |= status; |
f26c7a78 TM |
4611 | |
4612 | status = decode_attr_fsid(xdr, bitmap, &fattr->fsid); | |
4613 | if (status < 0) | |
1da177e4 | 4614 | goto xdr_error; |
409924e4 | 4615 | fattr->valid |= status; |
f26c7a78 | 4616 | |
ee7b75fc TM |
4617 | err = 0; |
4618 | status = decode_attr_error(xdr, bitmap, &err); | |
ae42c70a BS |
4619 | if (status < 0) |
4620 | goto xdr_error; | |
4621 | ||
4622 | status = decode_attr_filehandle(xdr, bitmap, fh); | |
4623 | if (status < 0) | |
4624 | goto xdr_error; | |
4625 | ||
f26c7a78 TM |
4626 | status = decode_attr_fileid(xdr, bitmap, &fattr->fileid); |
4627 | if (status < 0) | |
1da177e4 | 4628 | goto xdr_error; |
409924e4 | 4629 | fattr->valid |= status; |
f26c7a78 | 4630 | |
8b7e3f49 | 4631 | status = decode_attr_fs_locations(xdr, bitmap, fs_loc); |
f26c7a78 | 4632 | if (status < 0) |
683b57b4 | 4633 | goto xdr_error; |
409924e4 | 4634 | fattr->valid |= status; |
f26c7a78 | 4635 | |
1ca843a2 AG |
4636 | status = -EIO; |
4637 | if (unlikely(bitmap[0])) | |
4638 | goto xdr_error; | |
4639 | ||
f26c7a78 TM |
4640 | status = decode_attr_mode(xdr, bitmap, &fmode); |
4641 | if (status < 0) | |
1da177e4 | 4642 | goto xdr_error; |
409924e4 TM |
4643 | if (status != 0) { |
4644 | fattr->mode |= fmode; | |
4645 | fattr->valid |= status; | |
4646 | } | |
f26c7a78 TM |
4647 | |
4648 | status = decode_attr_nlink(xdr, bitmap, &fattr->nlink); | |
4649 | if (status < 0) | |
1da177e4 | 4650 | goto xdr_error; |
409924e4 | 4651 | fattr->valid |= status; |
f26c7a78 | 4652 | |
6926afd1 | 4653 | status = decode_attr_owner(xdr, bitmap, server, &fattr->uid, fattr->owner_name); |
f26c7a78 | 4654 | if (status < 0) |
1da177e4 | 4655 | goto xdr_error; |
409924e4 | 4656 | fattr->valid |= status; |
f26c7a78 | 4657 | |
6926afd1 | 4658 | status = decode_attr_group(xdr, bitmap, server, &fattr->gid, fattr->group_name); |
f26c7a78 | 4659 | if (status < 0) |
1da177e4 | 4660 | goto xdr_error; |
409924e4 | 4661 | fattr->valid |= status; |
f26c7a78 TM |
4662 | |
4663 | status = decode_attr_rdev(xdr, bitmap, &fattr->rdev); | |
4664 | if (status < 0) | |
1da177e4 | 4665 | goto xdr_error; |
409924e4 | 4666 | fattr->valid |= status; |
f26c7a78 TM |
4667 | |
4668 | status = decode_attr_space_used(xdr, bitmap, &fattr->du.nfs3.used); | |
4669 | if (status < 0) | |
1da177e4 | 4670 | goto xdr_error; |
409924e4 | 4671 | fattr->valid |= status; |
f26c7a78 TM |
4672 | |
4673 | status = decode_attr_time_access(xdr, bitmap, &fattr->atime); | |
4674 | if (status < 0) | |
1da177e4 | 4675 | goto xdr_error; |
409924e4 | 4676 | fattr->valid |= status; |
f26c7a78 TM |
4677 | |
4678 | status = decode_attr_time_metadata(xdr, bitmap, &fattr->ctime); | |
4679 | if (status < 0) | |
1da177e4 | 4680 | goto xdr_error; |
409924e4 | 4681 | fattr->valid |= status; |
f26c7a78 TM |
4682 | |
4683 | status = decode_attr_time_modify(xdr, bitmap, &fattr->mtime); | |
4684 | if (status < 0) | |
1da177e4 | 4685 | goto xdr_error; |
409924e4 | 4686 | fattr->valid |= status; |
f26c7a78 | 4687 | |
28331a46 | 4688 | status = decode_attr_mounted_on_fileid(xdr, bitmap, &fattr->mounted_on_fileid); |
f26c7a78 | 4689 | if (status < 0) |
99baf625 | 4690 | goto xdr_error; |
28331a46 | 4691 | fattr->valid |= status; |
f26c7a78 | 4692 | |
1ca843a2 AG |
4693 | status = -EIO; |
4694 | if (unlikely(bitmap[1])) | |
4695 | goto xdr_error; | |
4696 | ||
88034c3d AA |
4697 | status = decode_attr_mdsthreshold(xdr, bitmap, fattr->mdsthreshold); |
4698 | if (status < 0) | |
4699 | goto xdr_error; | |
4700 | ||
aa9c2669 DQ |
4701 | if (label) { |
4702 | status = decode_attr_security_label(xdr, bitmap, label); | |
4703 | if (status < 0) | |
4704 | goto xdr_error; | |
4705 | fattr->valid |= status; | |
4706 | } | |
4707 | ||
ae42c70a BS |
4708 | xdr_error: |
4709 | dprintk("%s: xdr returned %d\n", __func__, -status); | |
4710 | return status; | |
4711 | } | |
4712 | ||
4713 | static int decode_getfattr_generic(struct xdr_stream *xdr, struct nfs_fattr *fattr, | |
8b7e3f49 | 4714 | struct nfs_fh *fh, struct nfs4_fs_locations *fs_loc, |
aa9c2669 | 4715 | struct nfs4_label *label, const struct nfs_server *server) |
ae42c70a | 4716 | { |
256e48bb | 4717 | unsigned int savep; |
ae42c70a | 4718 | uint32_t attrlen, |
dae100c2 | 4719 | bitmap[3] = {0}; |
ae42c70a BS |
4720 | int status; |
4721 | ||
4722 | status = decode_op_hdr(xdr, OP_GETATTR); | |
4723 | if (status < 0) | |
4724 | goto xdr_error; | |
4725 | ||
4726 | status = decode_attr_bitmap(xdr, bitmap); | |
4727 | if (status < 0) | |
4728 | goto xdr_error; | |
4729 | ||
4730 | status = decode_attr_length(xdr, &attrlen, &savep); | |
4731 | if (status < 0) | |
4732 | goto xdr_error; | |
4733 | ||
aa9c2669 DQ |
4734 | status = decode_getfattr_attrs(xdr, bitmap, fattr, fh, fs_loc, |
4735 | label, server); | |
ae42c70a BS |
4736 | if (status < 0) |
4737 | goto xdr_error; | |
4738 | ||
f26c7a78 | 4739 | status = verify_attr_len(xdr, savep, attrlen); |
1da177e4 | 4740 | xdr_error: |
3110ff80 | 4741 | dprintk("%s: xdr returned %d\n", __func__, -status); |
1da177e4 LT |
4742 | return status; |
4743 | } | |
4744 | ||
aa9c2669 DQ |
4745 | static int decode_getfattr_label(struct xdr_stream *xdr, struct nfs_fattr *fattr, |
4746 | struct nfs4_label *label, const struct nfs_server *server) | |
4747 | { | |
4748 | return decode_getfattr_generic(xdr, fattr, NULL, NULL, label, server); | |
4749 | } | |
4750 | ||
ae42c70a | 4751 | static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr, |
6926afd1 | 4752 | const struct nfs_server *server) |
ae42c70a | 4753 | { |
aa9c2669 | 4754 | return decode_getfattr_generic(xdr, fattr, NULL, NULL, NULL, server); |
ae42c70a | 4755 | } |
1da177e4 | 4756 | |
504913fb | 4757 | /* |
3132e49e | 4758 | * Decode potentially multiple layout types. |
504913fb | 4759 | */ |
3132e49e | 4760 | static int decode_pnfs_layout_types(struct xdr_stream *xdr, |
ca440c38 | 4761 | struct nfs_fsinfo *fsinfo) |
504913fb | 4762 | { |
b8a8a0dd | 4763 | __be32 *p; |
ca440c38 | 4764 | uint32_t i; |
504913fb AA |
4765 | |
4766 | p = xdr_inline_decode(xdr, 4); | |
4767 | if (unlikely(!p)) | |
eb72f484 | 4768 | return -EIO; |
ca440c38 | 4769 | fsinfo->nlayouttypes = be32_to_cpup(p); |
504913fb AA |
4770 | |
4771 | /* pNFS is not supported by the underlying file system */ | |
ca440c38 | 4772 | if (fsinfo->nlayouttypes == 0) |
504913fb | 4773 | return 0; |
504913fb AA |
4774 | |
4775 | /* Decode and set first layout type, move xdr->p past unused types */ | |
ca440c38 | 4776 | p = xdr_inline_decode(xdr, fsinfo->nlayouttypes * 4); |
504913fb | 4777 | if (unlikely(!p)) |
eb72f484 | 4778 | return -EIO; |
ca440c38 JL |
4779 | |
4780 | /* If we get too many, then just cap it at the max */ | |
4781 | if (fsinfo->nlayouttypes > NFS_MAX_LAYOUT_TYPES) { | |
4782 | printk(KERN_INFO "NFS: %s: Warning: Too many (%u) pNFS layout types\n", | |
4783 | __func__, fsinfo->nlayouttypes); | |
4784 | fsinfo->nlayouttypes = NFS_MAX_LAYOUT_TYPES; | |
4785 | } | |
4786 | ||
4787 | for(i = 0; i < fsinfo->nlayouttypes; ++i) | |
4788 | fsinfo->layouttype[i] = be32_to_cpup(p++); | |
504913fb | 4789 | return 0; |
504913fb AA |
4790 | } |
4791 | ||
4792 | /* | |
4793 | * The type of file system exported. | |
4794 | * Note we must ensure that layouttype is set in any non-error case. | |
4795 | */ | |
4796 | static int decode_attr_pnfstype(struct xdr_stream *xdr, uint32_t *bitmap, | |
ca440c38 | 4797 | struct nfs_fsinfo *fsinfo) |
504913fb AA |
4798 | { |
4799 | int status = 0; | |
4800 | ||
4801 | dprintk("%s: bitmap is %x\n", __func__, bitmap[1]); | |
4802 | if (unlikely(bitmap[1] & (FATTR4_WORD1_FS_LAYOUT_TYPES - 1U))) | |
4803 | return -EIO; | |
4804 | if (bitmap[1] & FATTR4_WORD1_FS_LAYOUT_TYPES) { | |
ca440c38 | 4805 | status = decode_pnfs_layout_types(xdr, fsinfo); |
504913fb | 4806 | bitmap[1] &= ~FATTR4_WORD1_FS_LAYOUT_TYPES; |
3132e49e | 4807 | } |
504913fb AA |
4808 | return status; |
4809 | } | |
4810 | ||
dae100c2 FI |
4811 | /* |
4812 | * The prefered block size for layout directed io | |
4813 | */ | |
4814 | static int decode_attr_layout_blksize(struct xdr_stream *xdr, uint32_t *bitmap, | |
4815 | uint32_t *res) | |
4816 | { | |
4817 | __be32 *p; | |
4818 | ||
4819 | dprintk("%s: bitmap is %x\n", __func__, bitmap[2]); | |
4820 | *res = 0; | |
4821 | if (bitmap[2] & FATTR4_WORD2_LAYOUT_BLKSIZE) { | |
4822 | p = xdr_inline_decode(xdr, 4); | |
eb72f484 | 4823 | if (unlikely(!p)) |
dae100c2 | 4824 | return -EIO; |
dae100c2 FI |
4825 | *res = be32_to_cpup(p); |
4826 | bitmap[2] &= ~FATTR4_WORD2_LAYOUT_BLKSIZE; | |
4827 | } | |
4828 | return 0; | |
4829 | } | |
4830 | ||
2a92ee92 PT |
4831 | /* |
4832 | * The granularity of a CLONE operation. | |
4833 | */ | |
4834 | static int decode_attr_clone_blksize(struct xdr_stream *xdr, uint32_t *bitmap, | |
4835 | uint32_t *res) | |
4836 | { | |
4837 | __be32 *p; | |
4838 | ||
4839 | dprintk("%s: bitmap is %x\n", __func__, bitmap[2]); | |
4840 | *res = 0; | |
4841 | if (bitmap[2] & FATTR4_WORD2_CLONE_BLKSIZE) { | |
4842 | p = xdr_inline_decode(xdr, 4); | |
eb72f484 | 4843 | if (unlikely(!p)) |
2a92ee92 | 4844 | return -EIO; |
2a92ee92 PT |
4845 | *res = be32_to_cpup(p); |
4846 | bitmap[2] &= ~FATTR4_WORD2_CLONE_BLKSIZE; | |
4847 | } | |
4848 | return 0; | |
4849 | } | |
4850 | ||
7f08a335 TM |
4851 | static int decode_attr_change_attr_type(struct xdr_stream *xdr, |
4852 | uint32_t *bitmap, | |
4853 | enum nfs4_change_attr_type *res) | |
4854 | { | |
4855 | u32 tmp = NFS4_CHANGE_TYPE_IS_UNDEFINED; | |
4856 | ||
4857 | dprintk("%s: bitmap is %x\n", __func__, bitmap[2]); | |
4858 | if (bitmap[2] & FATTR4_WORD2_CHANGE_ATTR_TYPE) { | |
4859 | if (xdr_stream_decode_u32(xdr, &tmp)) | |
4860 | return -EIO; | |
4861 | bitmap[2] &= ~FATTR4_WORD2_CHANGE_ATTR_TYPE; | |
4862 | } | |
4863 | ||
4864 | switch(tmp) { | |
4865 | case NFS4_CHANGE_TYPE_IS_MONOTONIC_INCR: | |
4866 | case NFS4_CHANGE_TYPE_IS_VERSION_COUNTER: | |
4867 | case NFS4_CHANGE_TYPE_IS_VERSION_COUNTER_NOPNFS: | |
4868 | case NFS4_CHANGE_TYPE_IS_TIME_METADATA: | |
4869 | *res = tmp; | |
4870 | break; | |
4871 | default: | |
4872 | *res = NFS4_CHANGE_TYPE_IS_UNDEFINED; | |
4873 | } | |
4874 | return 0; | |
4875 | } | |
4876 | ||
1da177e4 LT |
4877 | static int decode_fsinfo(struct xdr_stream *xdr, struct nfs_fsinfo *fsinfo) |
4878 | { | |
256e48bb | 4879 | unsigned int savep; |
dae100c2 | 4880 | uint32_t attrlen, bitmap[3]; |
1da177e4 LT |
4881 | int status; |
4882 | ||
4883 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
4884 | goto xdr_error; | |
4885 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4886 | goto xdr_error; | |
4887 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4888 | goto xdr_error; | |
4889 | ||
4890 | fsinfo->rtmult = fsinfo->wtmult = 512; /* ??? */ | |
4891 | ||
4892 | if ((status = decode_attr_lease_time(xdr, bitmap, &fsinfo->lease_time)) != 0) | |
4893 | goto xdr_error; | |
4894 | if ((status = decode_attr_maxfilesize(xdr, bitmap, &fsinfo->maxfilesize)) != 0) | |
4895 | goto xdr_error; | |
4896 | if ((status = decode_attr_maxread(xdr, bitmap, &fsinfo->rtmax)) != 0) | |
4897 | goto xdr_error; | |
4898 | fsinfo->rtpref = fsinfo->dtpref = fsinfo->rtmax; | |
4899 | if ((status = decode_attr_maxwrite(xdr, bitmap, &fsinfo->wtmax)) != 0) | |
4900 | goto xdr_error; | |
4901 | fsinfo->wtpref = fsinfo->wtmax; | |
1ca843a2 AG |
4902 | |
4903 | status = -EIO; | |
4904 | if (unlikely(bitmap[0])) | |
4905 | goto xdr_error; | |
4906 | ||
55b6e774 | 4907 | status = decode_attr_time_delta(xdr, bitmap, &fsinfo->time_delta); |
504913fb AA |
4908 | if (status != 0) |
4909 | goto xdr_error; | |
ca440c38 | 4910 | status = decode_attr_pnfstype(xdr, bitmap, fsinfo); |
55b6e774 RL |
4911 | if (status != 0) |
4912 | goto xdr_error; | |
1ca843a2 AG |
4913 | |
4914 | status = -EIO; | |
4915 | if (unlikely(bitmap[1])) | |
4916 | goto xdr_error; | |
4917 | ||
dae100c2 | 4918 | status = decode_attr_layout_blksize(xdr, bitmap, &fsinfo->blksize); |
2a92ee92 PT |
4919 | if (status) |
4920 | goto xdr_error; | |
4921 | status = decode_attr_clone_blksize(xdr, bitmap, &fsinfo->clone_blksize); | |
dae100c2 FI |
4922 | if (status) |
4923 | goto xdr_error; | |
1da177e4 | 4924 | |
7f08a335 TM |
4925 | status = decode_attr_change_attr_type(xdr, bitmap, |
4926 | &fsinfo->change_attr_type); | |
4927 | if (status) | |
4928 | goto xdr_error; | |
4929 | ||
b78ef845 FL |
4930 | status = decode_attr_xattrsupport(xdr, bitmap, |
4931 | &fsinfo->xattr_support); | |
4932 | if (status) | |
4933 | goto xdr_error; | |
4934 | ||
1da177e4 LT |
4935 | status = verify_attr_len(xdr, savep, attrlen); |
4936 | xdr_error: | |
3110ff80 | 4937 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4938 | return status; |
4939 | } | |
4940 | ||
4941 | static int decode_getfh(struct xdr_stream *xdr, struct nfs_fh *fh) | |
4942 | { | |
8687b63a | 4943 | __be32 *p; |
1da177e4 LT |
4944 | uint32_t len; |
4945 | int status; | |
4946 | ||
9936781d TM |
4947 | /* Zero handle first to allow comparisons */ |
4948 | memset(fh, 0, sizeof(*fh)); | |
4949 | ||
1da177e4 LT |
4950 | status = decode_op_hdr(xdr, OP_GETFH); |
4951 | if (status) | |
4952 | return status; | |
1da177e4 | 4953 | |
c0eae66e BH |
4954 | p = xdr_inline_decode(xdr, 4); |
4955 | if (unlikely(!p)) | |
eb72f484 | 4956 | return -EIO; |
cccddf4f | 4957 | len = be32_to_cpup(p); |
eb3d58c6 TM |
4958 | if (len > NFS4_FHSIZE || len == 0) { |
4959 | trace_nfs4_xdr_bad_filehandle(xdr, OP_GETFH, NFS4ERR_BADHANDLE); | |
4960 | return -EREMOTEIO; | |
4961 | } | |
1da177e4 | 4962 | fh->size = len; |
c0eae66e BH |
4963 | p = xdr_inline_decode(xdr, len); |
4964 | if (unlikely(!p)) | |
eb72f484 | 4965 | return -EIO; |
99398d06 | 4966 | memcpy(fh->data, p, len); |
1da177e4 LT |
4967 | return 0; |
4968 | } | |
4969 | ||
4970 | static int decode_link(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4971 | { | |
4972 | int status; | |
6c0195a4 | 4973 | |
1da177e4 LT |
4974 | status = decode_op_hdr(xdr, OP_LINK); |
4975 | if (status) | |
4976 | return status; | |
4977 | return decode_change_info(xdr, cinfo); | |
4978 | } | |
4979 | ||
4980 | /* | |
4981 | * We create the owner, so we know a proper owner.id length is 4. | |
4982 | */ | |
911d1aaf | 4983 | static int decode_lock_denied (struct xdr_stream *xdr, struct file_lock *fl) |
1da177e4 | 4984 | { |
911d1aaf | 4985 | uint64_t offset, length, clientid; |
8687b63a | 4986 | __be32 *p; |
911d1aaf | 4987 | uint32_t namelen, type; |
1da177e4 | 4988 | |
babddc72 | 4989 | p = xdr_inline_decode(xdr, 32); /* read 32 bytes */ |
c0eae66e | 4990 | if (unlikely(!p)) |
eb72f484 | 4991 | return -EIO; |
babddc72 | 4992 | p = xdr_decode_hyper(p, &offset); /* read 2 8-byte long words */ |
3ceb4dbb | 4993 | p = xdr_decode_hyper(p, &length); |
babddc72 BS |
4994 | type = be32_to_cpup(p++); /* 4 byte read */ |
4995 | if (fl != NULL) { /* manipulate file lock */ | |
911d1aaf TM |
4996 | fl->fl_start = (loff_t)offset; |
4997 | fl->fl_end = fl->fl_start + (loff_t)length - 1; | |
4998 | if (length == ~(uint64_t)0) | |
4999 | fl->fl_end = OFFSET_MAX; | |
5000 | fl->fl_type = F_WRLCK; | |
5001 | if (type & 1) | |
5002 | fl->fl_type = F_RDLCK; | |
5003 | fl->fl_pid = 0; | |
5004 | } | |
babddc72 BS |
5005 | p = xdr_decode_hyper(p, &clientid); /* read 8 bytes */ |
5006 | namelen = be32_to_cpup(p); /* read 4 bytes */ /* have read all 32 bytes now */ | |
5007 | p = xdr_inline_decode(xdr, namelen); /* variable size field */ | |
eb72f484 CL |
5008 | if (likely(!p)) |
5009 | return -EIO; | |
5010 | return -NFS4ERR_DENIED; | |
1da177e4 LT |
5011 | } |
5012 | ||
911d1aaf | 5013 | static int decode_lock(struct xdr_stream *xdr, struct nfs_lock_res *res) |
1da177e4 | 5014 | { |
1da177e4 LT |
5015 | int status; |
5016 | ||
5017 | status = decode_op_hdr(xdr, OP_LOCK); | |
c1d51931 TM |
5018 | if (status == -EIO) |
5019 | goto out; | |
1da177e4 | 5020 | if (status == 0) { |
93b717fd | 5021 | status = decode_lock_stateid(xdr, &res->stateid); |
07d30434 BH |
5022 | if (unlikely(status)) |
5023 | goto out; | |
1da177e4 | 5024 | } else if (status == -NFS4ERR_DENIED) |
c1d51931 TM |
5025 | status = decode_lock_denied(xdr, NULL); |
5026 | if (res->open_seqid != NULL) | |
5027 | nfs_increment_open_seqid(status, res->open_seqid); | |
5028 | nfs_increment_lock_seqid(status, res->lock_seqid); | |
5029 | out: | |
1da177e4 LT |
5030 | return status; |
5031 | } | |
5032 | ||
911d1aaf | 5033 | static int decode_lockt(struct xdr_stream *xdr, struct nfs_lockt_res *res) |
1da177e4 LT |
5034 | { |
5035 | int status; | |
5036 | status = decode_op_hdr(xdr, OP_LOCKT); | |
5037 | if (status == -NFS4ERR_DENIED) | |
911d1aaf | 5038 | return decode_lock_denied(xdr, res->denied); |
1da177e4 LT |
5039 | return status; |
5040 | } | |
5041 | ||
911d1aaf | 5042 | static int decode_locku(struct xdr_stream *xdr, struct nfs_locku_res *res) |
1da177e4 | 5043 | { |
1da177e4 LT |
5044 | int status; |
5045 | ||
5046 | status = decode_op_hdr(xdr, OP_LOCKU); | |
c1d51931 TM |
5047 | if (status != -EIO) |
5048 | nfs_increment_lock_seqid(status, res->seqid); | |
07d30434 | 5049 | if (status == 0) |
93b717fd | 5050 | status = decode_lock_stateid(xdr, &res->stateid); |
1da177e4 LT |
5051 | return status; |
5052 | } | |
5053 | ||
d3c7b7cc TM |
5054 | static int decode_release_lockowner(struct xdr_stream *xdr) |
5055 | { | |
5056 | return decode_op_hdr(xdr, OP_RELEASE_LOCKOWNER); | |
5057 | } | |
5058 | ||
1da177e4 LT |
5059 | static int decode_lookup(struct xdr_stream *xdr) |
5060 | { | |
5061 | return decode_op_hdr(xdr, OP_LOOKUP); | |
5062 | } | |
5063 | ||
5b5faaf6 JL |
5064 | static int decode_lookupp(struct xdr_stream *xdr) |
5065 | { | |
5066 | return decode_op_hdr(xdr, OP_LOOKUPP); | |
5067 | } | |
5068 | ||
1da177e4 | 5069 | /* This is too sick! */ |
7d160a6c TM |
5070 | static int decode_space_limit(struct xdr_stream *xdr, |
5071 | unsigned long *pagemod_limit) | |
1da177e4 | 5072 | { |
05d564fe | 5073 | __be32 *p; |
1da177e4 | 5074 | uint32_t limit_type, nblocks, blocksize; |
7d160a6c | 5075 | u64 maxsize = 0; |
1da177e4 | 5076 | |
c0eae66e BH |
5077 | p = xdr_inline_decode(xdr, 12); |
5078 | if (unlikely(!p)) | |
eb72f484 | 5079 | return -EIO; |
6f723f77 | 5080 | limit_type = be32_to_cpup(p++); |
1da177e4 | 5081 | switch (limit_type) { |
7d160a6c TM |
5082 | case NFS4_LIMIT_SIZE: |
5083 | xdr_decode_hyper(p, &maxsize); | |
05d564fe | 5084 | break; |
7d160a6c | 5085 | case NFS4_LIMIT_BLOCKS: |
6f723f77 | 5086 | nblocks = be32_to_cpup(p++); |
cccddf4f | 5087 | blocksize = be32_to_cpup(p); |
7d160a6c | 5088 | maxsize = (uint64_t)nblocks * (uint64_t)blocksize; |
1da177e4 | 5089 | } |
09cbfeaf | 5090 | maxsize >>= PAGE_SHIFT; |
7d160a6c | 5091 | *pagemod_limit = min_t(u64, maxsize, ULONG_MAX); |
1da177e4 LT |
5092 | return 0; |
5093 | } | |
5094 | ||
6ae37339 TM |
5095 | static int decode_rw_delegation(struct xdr_stream *xdr, |
5096 | uint32_t delegation_type, | |
5097 | struct nfs_openres *res) | |
1da177e4 | 5098 | { |
05d564fe | 5099 | __be32 *p; |
07d30434 | 5100 | int status; |
1da177e4 | 5101 | |
93b717fd | 5102 | status = decode_delegation_stateid(xdr, &res->delegation); |
07d30434 BH |
5103 | if (unlikely(status)) |
5104 | return status; | |
c0eae66e BH |
5105 | p = xdr_inline_decode(xdr, 4); |
5106 | if (unlikely(!p)) | |
eb72f484 | 5107 | return -EIO; |
cccddf4f | 5108 | res->do_recall = be32_to_cpup(p); |
05d564fe | 5109 | |
1da177e4 | 5110 | switch (delegation_type) { |
05d564fe AA |
5111 | case NFS4_OPEN_DELEGATE_READ: |
5112 | res->delegation_type = FMODE_READ; | |
5113 | break; | |
5114 | case NFS4_OPEN_DELEGATE_WRITE: | |
5115 | res->delegation_type = FMODE_WRITE|FMODE_READ; | |
7d160a6c | 5116 | if (decode_space_limit(xdr, &res->pagemod_limit) < 0) |
1da177e4 LT |
5117 | return -EIO; |
5118 | } | |
1bbe60ff | 5119 | return decode_ace(xdr, NULL); |
1da177e4 LT |
5120 | } |
5121 | ||
6ae37339 TM |
5122 | static int decode_no_delegation(struct xdr_stream *xdr, struct nfs_openres *res) |
5123 | { | |
5124 | __be32 *p; | |
5125 | uint32_t why_no_delegation; | |
5126 | ||
5127 | p = xdr_inline_decode(xdr, 4); | |
5128 | if (unlikely(!p)) | |
eb72f484 | 5129 | return -EIO; |
6ae37339 TM |
5130 | why_no_delegation = be32_to_cpup(p); |
5131 | switch (why_no_delegation) { | |
5132 | case WND4_CONTENTION: | |
5133 | case WND4_RESOURCE: | |
5134 | xdr_inline_decode(xdr, 4); | |
5135 | /* Ignore for now */ | |
5136 | } | |
5137 | return 0; | |
6ae37339 TM |
5138 | } |
5139 | ||
5140 | static int decode_delegation(struct xdr_stream *xdr, struct nfs_openres *res) | |
5141 | { | |
5142 | __be32 *p; | |
5143 | uint32_t delegation_type; | |
5144 | ||
5145 | p = xdr_inline_decode(xdr, 4); | |
5146 | if (unlikely(!p)) | |
eb72f484 | 5147 | return -EIO; |
6ae37339 TM |
5148 | delegation_type = be32_to_cpup(p); |
5149 | res->delegation_type = 0; | |
5150 | switch (delegation_type) { | |
5151 | case NFS4_OPEN_DELEGATE_NONE: | |
5152 | return 0; | |
5153 | case NFS4_OPEN_DELEGATE_READ: | |
5154 | case NFS4_OPEN_DELEGATE_WRITE: | |
5155 | return decode_rw_delegation(xdr, delegation_type, res); | |
5156 | case NFS4_OPEN_DELEGATE_NONE_EXT: | |
5157 | return decode_no_delegation(xdr, res); | |
5158 | } | |
5159 | return -EIO; | |
6ae37339 TM |
5160 | } |
5161 | ||
1da177e4 LT |
5162 | static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res) |
5163 | { | |
05d564fe | 5164 | __be32 *p; |
aa53ed54 | 5165 | uint32_t savewords, bmlen, i; |
05d564fe | 5166 | int status; |
1da177e4 | 5167 | |
c7848f69 TM |
5168 | if (!__decode_op_hdr(xdr, OP_OPEN, &status)) |
5169 | return status; | |
5170 | nfs_increment_open_seqid(status, res->seqid); | |
5171 | if (status) | |
5172 | return status; | |
93b717fd | 5173 | status = decode_open_stateid(xdr, &res->stateid); |
07d30434 | 5174 | if (unlikely(status)) |
05d564fe | 5175 | return status; |
1da177e4 | 5176 | |
05d564fe | 5177 | decode_change_info(xdr, &res->cinfo); |
1da177e4 | 5178 | |
c0eae66e BH |
5179 | p = xdr_inline_decode(xdr, 8); |
5180 | if (unlikely(!p)) | |
eb72f484 | 5181 | return -EIO; |
6f723f77 | 5182 | res->rflags = be32_to_cpup(p++); |
cccddf4f | 5183 | bmlen = be32_to_cpup(p); |
05d564fe AA |
5184 | if (bmlen > 10) |
5185 | goto xdr_error; | |
1da177e4 | 5186 | |
c0eae66e BH |
5187 | p = xdr_inline_decode(xdr, bmlen << 2); |
5188 | if (unlikely(!p)) | |
eb72f484 | 5189 | return -EIO; |
aa53ed54 JL |
5190 | savewords = min_t(uint32_t, bmlen, NFS4_BITMAP_SIZE); |
5191 | for (i = 0; i < savewords; ++i) | |
6f723f77 | 5192 | res->attrset[i] = be32_to_cpup(p++); |
aa53ed54 JL |
5193 | for (; i < NFS4_BITMAP_SIZE; i++) |
5194 | res->attrset[i] = 0; | |
5195 | ||
1da177e4 LT |
5196 | return decode_delegation(xdr, res); |
5197 | xdr_error: | |
3110ff80 | 5198 | dprintk("%s: Bitmap too large! Length = %u\n", __func__, bmlen); |
1da177e4 LT |
5199 | return -EIO; |
5200 | } | |
5201 | ||
5202 | static int decode_open_confirm(struct xdr_stream *xdr, struct nfs_open_confirmres *res) | |
5203 | { | |
1da177e4 LT |
5204 | int status; |
5205 | ||
05d564fe | 5206 | status = decode_op_hdr(xdr, OP_OPEN_CONFIRM); |
c1d51931 TM |
5207 | if (status != -EIO) |
5208 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 | 5209 | if (!status) |
93b717fd | 5210 | status = decode_open_stateid(xdr, &res->stateid); |
07d30434 | 5211 | return status; |
1da177e4 LT |
5212 | } |
5213 | ||
5214 | static int decode_open_downgrade(struct xdr_stream *xdr, struct nfs_closeres *res) | |
5215 | { | |
1da177e4 LT |
5216 | int status; |
5217 | ||
5218 | status = decode_op_hdr(xdr, OP_OPEN_DOWNGRADE); | |
c1d51931 TM |
5219 | if (status != -EIO) |
5220 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 | 5221 | if (!status) |
93b717fd | 5222 | status = decode_open_stateid(xdr, &res->stateid); |
07d30434 | 5223 | return status; |
1da177e4 LT |
5224 | } |
5225 | ||
5226 | static int decode_putfh(struct xdr_stream *xdr) | |
5227 | { | |
5228 | return decode_op_hdr(xdr, OP_PUTFH); | |
5229 | } | |
5230 | ||
5231 | static int decode_putrootfh(struct xdr_stream *xdr) | |
5232 | { | |
5233 | return decode_op_hdr(xdr, OP_PUTROOTFH); | |
5234 | } | |
5235 | ||
9137bdf3 AS |
5236 | static int decode_read(struct xdr_stream *xdr, struct rpc_rqst *req, |
5237 | struct nfs_pgio_res *res) | |
1da177e4 | 5238 | { |
8687b63a | 5239 | __be32 *p; |
64bd577e | 5240 | uint32_t count, eof, recvd; |
1da177e4 LT |
5241 | int status; |
5242 | ||
5243 | status = decode_op_hdr(xdr, OP_READ); | |
5244 | if (status) | |
5245 | return status; | |
c0eae66e BH |
5246 | p = xdr_inline_decode(xdr, 8); |
5247 | if (unlikely(!p)) | |
eb72f484 | 5248 | return -EIO; |
6f723f77 | 5249 | eof = be32_to_cpup(p++); |
cccddf4f | 5250 | count = be32_to_cpup(p); |
64bd577e | 5251 | recvd = xdr_read_pages(xdr, count); |
1da177e4 | 5252 | if (count > recvd) { |
fe82a183 | 5253 | dprintk("NFS: server cheating in read reply: " |
1da177e4 LT |
5254 | "count %u > recvd %u\n", count, recvd); |
5255 | count = recvd; | |
5256 | eof = 0; | |
5257 | } | |
1da177e4 LT |
5258 | res->eof = eof; |
5259 | res->count = count; | |
5260 | return 0; | |
5261 | } | |
5262 | ||
5263 | static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs4_readdir_res *readdir) | |
5264 | { | |
bcecff77 | 5265 | int status; |
cd93710e | 5266 | __be32 verf[2]; |
1da177e4 LT |
5267 | |
5268 | status = decode_op_hdr(xdr, OP_READDIR); | |
db942bbd BH |
5269 | if (!status) |
5270 | status = decode_verifier(xdr, readdir->verifier.data); | |
5271 | if (unlikely(status)) | |
1da177e4 | 5272 | return status; |
cd93710e | 5273 | memcpy(verf, readdir->verifier.data, sizeof(verf)); |
44109241 | 5274 | dprintk("%s: verifier = %08x:%08x\n", |
cd93710e | 5275 | __func__, verf[0], verf[1]); |
64bd577e | 5276 | return xdr_read_pages(xdr, xdr->buf->page_len); |
1da177e4 LT |
5277 | } |
5278 | ||
5279 | static int decode_readlink(struct xdr_stream *xdr, struct rpc_rqst *req) | |
5280 | { | |
5281 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; | |
bcecff77 | 5282 | u32 len, recvd; |
8687b63a | 5283 | __be32 *p; |
1da177e4 LT |
5284 | int status; |
5285 | ||
5286 | status = decode_op_hdr(xdr, OP_READLINK); | |
5287 | if (status) | |
5288 | return status; | |
5289 | ||
5290 | /* Convert length of symlink */ | |
c0eae66e BH |
5291 | p = xdr_inline_decode(xdr, 4); |
5292 | if (unlikely(!p)) | |
eb72f484 | 5293 | return -EIO; |
cccddf4f | 5294 | len = be32_to_cpup(p); |
1da177e4 | 5295 | if (len >= rcvbuf->page_len || len <= 0) { |
fe82a183 | 5296 | dprintk("nfs: server returned giant symlink!\n"); |
1da177e4 LT |
5297 | return -ENAMETOOLONG; |
5298 | } | |
64bd577e | 5299 | recvd = xdr_read_pages(xdr, len); |
1da177e4 | 5300 | if (recvd < len) { |
fe82a183 | 5301 | dprintk("NFS: server cheating in readlink reply: " |
1da177e4 LT |
5302 | "count %u > recvd %u\n", len, recvd); |
5303 | return -EIO; | |
5304 | } | |
1da177e4 LT |
5305 | /* |
5306 | * The XDR encode routine has set things up so that | |
5307 | * the link text will be copied directly into the | |
5308 | * buffer. We just have to do overflow-checking, | |
a5032910 | 5309 | * and null-terminate the text (the VFS expects |
1da177e4 LT |
5310 | * null-termination). |
5311 | */ | |
b4687da7 | 5312 | xdr_terminate_string(rcvbuf, len); |
1da177e4 LT |
5313 | return 0; |
5314 | } | |
5315 | ||
5316 | static int decode_remove(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
5317 | { | |
5318 | int status; | |
5319 | ||
5320 | status = decode_op_hdr(xdr, OP_REMOVE); | |
5321 | if (status) | |
5322 | goto out; | |
5323 | status = decode_change_info(xdr, cinfo); | |
5324 | out: | |
5325 | return status; | |
5326 | } | |
5327 | ||
5328 | static int decode_rename(struct xdr_stream *xdr, struct nfs4_change_info *old_cinfo, | |
5329 | struct nfs4_change_info *new_cinfo) | |
5330 | { | |
5331 | int status; | |
5332 | ||
5333 | status = decode_op_hdr(xdr, OP_RENAME); | |
5334 | if (status) | |
5335 | goto out; | |
5336 | if ((status = decode_change_info(xdr, old_cinfo))) | |
5337 | goto out; | |
5338 | status = decode_change_info(xdr, new_cinfo); | |
5339 | out: | |
5340 | return status; | |
5341 | } | |
5342 | ||
5343 | static int decode_renew(struct xdr_stream *xdr) | |
5344 | { | |
5345 | return decode_op_hdr(xdr, OP_RENEW); | |
5346 | } | |
5347 | ||
56ae19f3 TM |
5348 | static int |
5349 | decode_restorefh(struct xdr_stream *xdr) | |
5350 | { | |
5351 | return decode_op_hdr(xdr, OP_RESTOREFH); | |
5352 | } | |
5353 | ||
029d105e | 5354 | static int decode_getacl(struct xdr_stream *xdr, struct rpc_rqst *req, |
bf118a34 | 5355 | struct nfs_getaclres *res) |
029d105e | 5356 | { |
256e48bb | 5357 | unsigned int savep; |
029d105e | 5358 | uint32_t attrlen, |
dae100c2 | 5359 | bitmap[3] = {0}; |
029d105e BF |
5360 | int status; |
5361 | ||
bf118a34 | 5362 | res->acl_len = 0; |
029d105e BF |
5363 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
5364 | goto out; | |
5a006899 | 5365 | |
519d3959 TM |
5366 | xdr_enter_page(xdr, xdr->buf->page_len); |
5367 | ||
029d105e BF |
5368 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) |
5369 | goto out; | |
5370 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
5371 | goto out; | |
5372 | ||
5373 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACL - 1U))) | |
5374 | return -EIO; | |
5375 | if (likely(bitmap[0] & FATTR4_WORD0_ACL)) { | |
029d105e | 5376 | |
bf118a34 AA |
5377 | /* The bitmap (xdr len + bitmaps) and the attr xdr len words |
5378 | * are stored with the acl data to handle the problem of | |
5379 | * variable length bitmaps.*/ | |
a14a6359 | 5380 | res->acl_data_offset = xdr_page_pos(xdr); |
519d3959 | 5381 | res->acl_len = attrlen; |
1f1ea6c2 TM |
5382 | |
5383 | /* Check for receive buffer overflow */ | |
17068466 | 5384 | if (res->acl_len > xdr_stream_remaining(xdr) || |
1f1ea6c2 TM |
5385 | res->acl_len + res->acl_data_offset > xdr->buf->page_len) { |
5386 | res->acl_flags |= NFS4_ACL_TRUNC; | |
17068466 TM |
5387 | dprintk("NFS: acl reply: attrlen %u > page_len %zu\n", |
5388 | attrlen, xdr_stream_remaining(xdr)); | |
029d105e | 5389 | } |
8c233cf9 BF |
5390 | } else |
5391 | status = -EOPNOTSUPP; | |
029d105e BF |
5392 | |
5393 | out: | |
5394 | return status; | |
5395 | } | |
5396 | ||
1da177e4 LT |
5397 | static int |
5398 | decode_savefh(struct xdr_stream *xdr) | |
5399 | { | |
5400 | return decode_op_hdr(xdr, OP_SAVEFH); | |
5401 | } | |
5402 | ||
9e9ecc03 | 5403 | static int decode_setattr(struct xdr_stream *xdr) |
1da177e4 | 5404 | { |
1da177e4 LT |
5405 | int status; |
5406 | ||
1da177e4 LT |
5407 | status = decode_op_hdr(xdr, OP_SETATTR); |
5408 | if (status) | |
5409 | return status; | |
37c88763 | 5410 | if (decode_bitmap4(xdr, NULL, 0) >= 0) |
c0eae66e | 5411 | return 0; |
c0eae66e | 5412 | return -EIO; |
1da177e4 LT |
5413 | } |
5414 | ||
bb8b27e5 | 5415 | static int decode_setclientid(struct xdr_stream *xdr, struct nfs4_setclientid_res *res) |
1da177e4 | 5416 | { |
8687b63a | 5417 | __be32 *p; |
1da177e4 LT |
5418 | uint32_t opnum; |
5419 | int32_t nfserr; | |
5420 | ||
c0eae66e BH |
5421 | p = xdr_inline_decode(xdr, 8); |
5422 | if (unlikely(!p)) | |
eb72f484 | 5423 | return -EIO; |
6f723f77 | 5424 | opnum = be32_to_cpup(p++); |
1da177e4 | 5425 | if (opnum != OP_SETCLIENTID) { |
fe82a183 | 5426 | dprintk("nfs: decode_setclientid: Server returned operation" |
6c0195a4 | 5427 | " %d\n", opnum); |
1da177e4 LT |
5428 | return -EIO; |
5429 | } | |
cccddf4f | 5430 | nfserr = be32_to_cpup(p); |
1da177e4 | 5431 | if (nfserr == NFS_OK) { |
c0eae66e BH |
5432 | p = xdr_inline_decode(xdr, 8 + NFS4_VERIFIER_SIZE); |
5433 | if (unlikely(!p)) | |
eb72f484 | 5434 | return -EIO; |
bb8b27e5 TM |
5435 | p = xdr_decode_hyper(p, &res->clientid); |
5436 | memcpy(res->confirm.data, p, NFS4_VERIFIER_SIZE); | |
1da177e4 LT |
5437 | } else if (nfserr == NFSERR_CLID_INUSE) { |
5438 | uint32_t len; | |
5439 | ||
5440 | /* skip netid string */ | |
c0eae66e BH |
5441 | p = xdr_inline_decode(xdr, 4); |
5442 | if (unlikely(!p)) | |
eb72f484 | 5443 | return -EIO; |
cccddf4f | 5444 | len = be32_to_cpup(p); |
c0eae66e BH |
5445 | p = xdr_inline_decode(xdr, len); |
5446 | if (unlikely(!p)) | |
eb72f484 | 5447 | return -EIO; |
1da177e4 LT |
5448 | |
5449 | /* skip uaddr string */ | |
c0eae66e BH |
5450 | p = xdr_inline_decode(xdr, 4); |
5451 | if (unlikely(!p)) | |
eb72f484 | 5452 | return -EIO; |
cccddf4f | 5453 | len = be32_to_cpup(p); |
c0eae66e BH |
5454 | p = xdr_inline_decode(xdr, len); |
5455 | if (unlikely(!p)) | |
eb72f484 | 5456 | return -EIO; |
1da177e4 LT |
5457 | return -NFSERR_CLID_INUSE; |
5458 | } else | |
856dff3d | 5459 | return nfs4_stat_to_errno(nfserr); |
1da177e4 LT |
5460 | |
5461 | return 0; | |
5462 | } | |
5463 | ||
5464 | static int decode_setclientid_confirm(struct xdr_stream *xdr) | |
5465 | { | |
5466 | return decode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM); | |
5467 | } | |
5468 | ||
9137bdf3 | 5469 | static int decode_write(struct xdr_stream *xdr, struct nfs_pgio_res *res) |
1da177e4 | 5470 | { |
8687b63a | 5471 | __be32 *p; |
1da177e4 LT |
5472 | int status; |
5473 | ||
5474 | status = decode_op_hdr(xdr, OP_WRITE); | |
5475 | if (status) | |
5476 | return status; | |
5477 | ||
2f2c63bc | 5478 | p = xdr_inline_decode(xdr, 8); |
c0eae66e | 5479 | if (unlikely(!p)) |
eb72f484 | 5480 | return -EIO; |
6f723f77 BH |
5481 | res->count = be32_to_cpup(p++); |
5482 | res->verf->committed = be32_to_cpup(p++); | |
2f2c63bc | 5483 | return decode_write_verifier(xdr, &res->verf->verifier); |
1da177e4 LT |
5484 | } |
5485 | ||
5486 | static int decode_delegreturn(struct xdr_stream *xdr) | |
5487 | { | |
5488 | return decode_op_hdr(xdr, OP_DELEGRETURN); | |
5489 | } | |
5490 | ||
fb15b26f CL |
5491 | static int decode_secinfo_gss(struct xdr_stream *xdr, |
5492 | struct nfs4_secinfo4 *flavor) | |
5a5ea0d4 | 5493 | { |
fb15b26f | 5494 | u32 oid_len; |
5a5ea0d4 BS |
5495 | __be32 *p; |
5496 | ||
5497 | p = xdr_inline_decode(xdr, 4); | |
5498 | if (unlikely(!p)) | |
eb72f484 | 5499 | return -EIO; |
fb15b26f CL |
5500 | oid_len = be32_to_cpup(p); |
5501 | if (oid_len > GSS_OID_MAX_LEN) | |
eb72f484 | 5502 | return -EINVAL; |
5a5ea0d4 | 5503 | |
fb15b26f | 5504 | p = xdr_inline_decode(xdr, oid_len); |
5a5ea0d4 | 5505 | if (unlikely(!p)) |
eb72f484 | 5506 | return -EIO; |
fb15b26f CL |
5507 | memcpy(flavor->flavor_info.oid.data, p, oid_len); |
5508 | flavor->flavor_info.oid.len = oid_len; | |
5a5ea0d4 BS |
5509 | |
5510 | p = xdr_inline_decode(xdr, 8); | |
5511 | if (unlikely(!p)) | |
eb72f484 | 5512 | return -EIO; |
fb15b26f CL |
5513 | flavor->flavor_info.qop = be32_to_cpup(p++); |
5514 | flavor->flavor_info.service = be32_to_cpup(p); | |
5a5ea0d4 BS |
5515 | |
5516 | return 0; | |
5a5ea0d4 BS |
5517 | } |
5518 | ||
31e4dda4 | 5519 | static int decode_secinfo_common(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
5a5ea0d4 | 5520 | { |
fb15b26f CL |
5521 | struct nfs4_secinfo4 *sec_flavor; |
5522 | unsigned int i, num_flavors; | |
5a5ea0d4 BS |
5523 | int status; |
5524 | __be32 *p; | |
5a5ea0d4 | 5525 | |
5a5ea0d4 BS |
5526 | p = xdr_inline_decode(xdr, 4); |
5527 | if (unlikely(!p)) | |
eb72f484 | 5528 | return -EIO; |
5a5ea0d4 | 5529 | |
c3dfc280 BS |
5530 | res->flavors->num_flavors = 0; |
5531 | num_flavors = be32_to_cpup(p); | |
5532 | ||
5533 | for (i = 0; i < num_flavors; i++) { | |
5a5ea0d4 | 5534 | sec_flavor = &res->flavors->flavors[i]; |
c3dfc280 | 5535 | if ((char *)&sec_flavor[1] - (char *)res->flavors > PAGE_SIZE) |
5a5ea0d4 BS |
5536 | break; |
5537 | ||
5538 | p = xdr_inline_decode(xdr, 4); | |
5539 | if (unlikely(!p)) | |
eb72f484 | 5540 | return -EIO; |
5a5ea0d4 BS |
5541 | sec_flavor->flavor = be32_to_cpup(p); |
5542 | ||
5543 | if (sec_flavor->flavor == RPC_AUTH_GSS) { | |
613e901e BS |
5544 | status = decode_secinfo_gss(xdr, sec_flavor); |
5545 | if (status) | |
5546 | goto out; | |
5a5ea0d4 | 5547 | } |
c3dfc280 | 5548 | res->flavors->num_flavors++; |
5a5ea0d4 BS |
5549 | } |
5550 | ||
31e4dda4 | 5551 | status = 0; |
613e901e BS |
5552 | out: |
5553 | return status; | |
5a5ea0d4 BS |
5554 | } |
5555 | ||
31e4dda4 BS |
5556 | static int decode_secinfo(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
5557 | { | |
5558 | int status = decode_op_hdr(xdr, OP_SECINFO); | |
5559 | if (status) | |
5560 | return status; | |
5561 | return decode_secinfo_common(xdr, res); | |
5562 | } | |
5563 | ||
99fe60d0 | 5564 | #if defined(CONFIG_NFS_V4_1) |
31e4dda4 BS |
5565 | static int decode_secinfo_no_name(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
5566 | { | |
5567 | int status = decode_op_hdr(xdr, OP_SECINFO_NO_NAME); | |
5568 | if (status) | |
5569 | return status; | |
5570 | return decode_secinfo_common(xdr, res); | |
5571 | } | |
5572 | ||
2031cd1a WAA |
5573 | static int decode_op_map(struct xdr_stream *xdr, struct nfs4_op_map *op_map) |
5574 | { | |
5575 | __be32 *p; | |
5576 | uint32_t bitmap_words; | |
5577 | unsigned int i; | |
5578 | ||
5579 | p = xdr_inline_decode(xdr, 4); | |
4edabfd7 PB |
5580 | if (!p) |
5581 | return -EIO; | |
2031cd1a WAA |
5582 | bitmap_words = be32_to_cpup(p++); |
5583 | if (bitmap_words > NFS4_OP_MAP_NUM_WORDS) | |
5584 | return -EIO; | |
5585 | p = xdr_inline_decode(xdr, 4 * bitmap_words); | |
5586 | for (i = 0; i < bitmap_words; i++) | |
5587 | op_map->u.words[i] = be32_to_cpup(p++); | |
5588 | ||
5589 | return 0; | |
5590 | } | |
5591 | ||
99fe60d0 BH |
5592 | static int decode_exchange_id(struct xdr_stream *xdr, |
5593 | struct nfs41_exchange_id_res *res) | |
5594 | { | |
5595 | __be32 *p; | |
5596 | uint32_t dummy; | |
2460ba57 | 5597 | char *dummy_str; |
99fe60d0 | 5598 | int status; |
7d2ed9ac | 5599 | uint32_t impl_id_count; |
99fe60d0 BH |
5600 | |
5601 | status = decode_op_hdr(xdr, OP_EXCHANGE_ID); | |
5602 | if (status) | |
5603 | return status; | |
5604 | ||
c0eae66e BH |
5605 | p = xdr_inline_decode(xdr, 8); |
5606 | if (unlikely(!p)) | |
eb72f484 | 5607 | return -EIO; |
32b01310 | 5608 | xdr_decode_hyper(p, &res->clientid); |
c0eae66e BH |
5609 | p = xdr_inline_decode(xdr, 12); |
5610 | if (unlikely(!p)) | |
eb72f484 | 5611 | return -EIO; |
32b01310 TM |
5612 | res->seqid = be32_to_cpup(p++); |
5613 | res->flags = be32_to_cpup(p++); | |
99fe60d0 | 5614 | |
2031cd1a WAA |
5615 | res->state_protect.how = be32_to_cpup(p); |
5616 | switch (res->state_protect.how) { | |
5617 | case SP4_NONE: | |
5618 | break; | |
5619 | case SP4_MACH_CRED: | |
5620 | status = decode_op_map(xdr, &res->state_protect.enforce); | |
5621 | if (status) | |
5622 | return status; | |
5623 | status = decode_op_map(xdr, &res->state_protect.allow); | |
5624 | if (status) | |
5625 | return status; | |
5626 | break; | |
5627 | default: | |
5628 | WARN_ON_ONCE(1); | |
99fe60d0 | 5629 | return -EIO; |
2031cd1a | 5630 | } |
99fe60d0 | 5631 | |
acdeb69d | 5632 | /* server_owner4.so_minor_id */ |
c0eae66e BH |
5633 | p = xdr_inline_decode(xdr, 8); |
5634 | if (unlikely(!p)) | |
eb72f484 | 5635 | return -EIO; |
acdeb69d | 5636 | p = xdr_decode_hyper(p, &res->server_owner->minor_id); |
99fe60d0 | 5637 | |
acdeb69d | 5638 | /* server_owner4.so_major_id */ |
2460ba57 BH |
5639 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
5640 | if (unlikely(status)) | |
5641 | return status; | |
acdeb69d CL |
5642 | memcpy(res->server_owner->major_id, dummy_str, dummy); |
5643 | res->server_owner->major_id_sz = dummy; | |
99fe60d0 | 5644 | |
acdeb69d | 5645 | /* server_scope4 */ |
2460ba57 BH |
5646 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
5647 | if (unlikely(status)) | |
5648 | return status; | |
78fe0f41 WAA |
5649 | memcpy(res->server_scope->server_scope, dummy_str, dummy); |
5650 | res->server_scope->server_scope_sz = dummy; | |
5651 | ||
7d2ed9ac WAA |
5652 | /* Implementation Id */ |
5653 | p = xdr_inline_decode(xdr, 4); | |
5654 | if (unlikely(!p)) | |
eb72f484 | 5655 | return -EIO; |
7d2ed9ac | 5656 | impl_id_count = be32_to_cpup(p++); |
99fe60d0 | 5657 | |
7d2ed9ac WAA |
5658 | if (impl_id_count) { |
5659 | /* nii_domain */ | |
5660 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); | |
5661 | if (unlikely(status)) | |
5662 | return status; | |
7d2ed9ac WAA |
5663 | memcpy(res->impl_id->domain, dummy_str, dummy); |
5664 | ||
5665 | /* nii_name */ | |
5666 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); | |
5667 | if (unlikely(status)) | |
5668 | return status; | |
7d2ed9ac WAA |
5669 | memcpy(res->impl_id->name, dummy_str, dummy); |
5670 | ||
5671 | /* nii_date */ | |
5672 | p = xdr_inline_decode(xdr, 12); | |
5673 | if (unlikely(!p)) | |
eb72f484 | 5674 | return -EIO; |
7d2ed9ac WAA |
5675 | p = xdr_decode_hyper(p, &res->impl_id->date.seconds); |
5676 | res->impl_id->date.nseconds = be32_to_cpup(p); | |
5677 | ||
5678 | /* if there's more than one entry, ignore the rest */ | |
5679 | } | |
99fe60d0 BH |
5680 | return 0; |
5681 | } | |
fc931582 AA |
5682 | |
5683 | static int decode_chan_attrs(struct xdr_stream *xdr, | |
5684 | struct nfs4_channel_attrs *attrs) | |
5685 | { | |
5686 | __be32 *p; | |
c9c30dd5 | 5687 | u32 nr_attrs, val; |
fc931582 | 5688 | |
c0eae66e BH |
5689 | p = xdr_inline_decode(xdr, 28); |
5690 | if (unlikely(!p)) | |
eb72f484 | 5691 | return -EIO; |
c9c30dd5 BH |
5692 | val = be32_to_cpup(p++); /* headerpadsz */ |
5693 | if (val) | |
5694 | return -EINVAL; /* no support for header padding yet */ | |
6f723f77 BH |
5695 | attrs->max_rqst_sz = be32_to_cpup(p++); |
5696 | attrs->max_resp_sz = be32_to_cpup(p++); | |
5697 | attrs->max_resp_sz_cached = be32_to_cpup(p++); | |
5698 | attrs->max_ops = be32_to_cpup(p++); | |
5699 | attrs->max_reqs = be32_to_cpup(p++); | |
cccddf4f | 5700 | nr_attrs = be32_to_cpup(p); |
fc931582 | 5701 | if (unlikely(nr_attrs > 1)) { |
a030889a WAA |
5702 | printk(KERN_WARNING "NFS: %s: Invalid rdma channel attrs " |
5703 | "count %u\n", __func__, nr_attrs); | |
fc931582 AA |
5704 | return -EINVAL; |
5705 | } | |
c0eae66e BH |
5706 | if (nr_attrs == 1) { |
5707 | p = xdr_inline_decode(xdr, 4); /* skip rdma_attrs */ | |
5708 | if (unlikely(!p)) | |
eb72f484 | 5709 | return -EIO; |
c0eae66e | 5710 | } |
fc931582 AA |
5711 | return 0; |
5712 | } | |
5713 | ||
e78291e4 BH |
5714 | static int decode_sessionid(struct xdr_stream *xdr, struct nfs4_sessionid *sid) |
5715 | { | |
5716 | return decode_opaque_fixed(xdr, sid->data, NFS4_MAX_SESSIONID_LEN); | |
fc931582 AA |
5717 | } |
5718 | ||
7c44f1ae WAA |
5719 | static int decode_bind_conn_to_session(struct xdr_stream *xdr, |
5720 | struct nfs41_bind_conn_to_session_res *res) | |
5721 | { | |
5722 | __be32 *p; | |
5723 | int status; | |
5724 | ||
5725 | status = decode_op_hdr(xdr, OP_BIND_CONN_TO_SESSION); | |
5726 | if (!status) | |
71a097c6 | 5727 | status = decode_sessionid(xdr, &res->sessionid); |
7c44f1ae WAA |
5728 | if (unlikely(status)) |
5729 | return status; | |
5730 | ||
5731 | /* dir flags, rdma mode bool */ | |
5732 | p = xdr_inline_decode(xdr, 8); | |
5733 | if (unlikely(!p)) | |
eb72f484 | 5734 | return -EIO; |
7c44f1ae WAA |
5735 | |
5736 | res->dir = be32_to_cpup(p++); | |
5737 | if (res->dir == 0 || res->dir > NFS4_CDFS4_BOTH) | |
5738 | return -EIO; | |
5739 | if (be32_to_cpup(p) == 0) | |
5740 | res->use_conn_in_rdma_mode = false; | |
5741 | else | |
5742 | res->use_conn_in_rdma_mode = true; | |
5743 | ||
5744 | return 0; | |
7c44f1ae WAA |
5745 | } |
5746 | ||
fc931582 AA |
5747 | static int decode_create_session(struct xdr_stream *xdr, |
5748 | struct nfs41_create_session_res *res) | |
5749 | { | |
5750 | __be32 *p; | |
5751 | int status; | |
fc931582 AA |
5752 | |
5753 | status = decode_op_hdr(xdr, OP_CREATE_SESSION); | |
e78291e4 | 5754 | if (!status) |
79969dd1 | 5755 | status = decode_sessionid(xdr, &res->sessionid); |
e78291e4 | 5756 | if (unlikely(status)) |
fc931582 AA |
5757 | return status; |
5758 | ||
fc931582 | 5759 | /* seqid, flags */ |
c0eae66e BH |
5760 | p = xdr_inline_decode(xdr, 8); |
5761 | if (unlikely(!p)) | |
eb72f484 | 5762 | return -EIO; |
79969dd1 TM |
5763 | res->seqid = be32_to_cpup(p++); |
5764 | res->flags = be32_to_cpup(p); | |
fc931582 AA |
5765 | |
5766 | /* Channel attributes */ | |
79969dd1 | 5767 | status = decode_chan_attrs(xdr, &res->fc_attrs); |
fc931582 | 5768 | if (!status) |
79969dd1 | 5769 | status = decode_chan_attrs(xdr, &res->bc_attrs); |
fc931582 AA |
5770 | return status; |
5771 | } | |
0f3e66c6 AA |
5772 | |
5773 | static int decode_destroy_session(struct xdr_stream *xdr, void *dummy) | |
5774 | { | |
5775 | return decode_op_hdr(xdr, OP_DESTROY_SESSION); | |
5776 | } | |
18019753 | 5777 | |
66245539 TM |
5778 | static int decode_destroy_clientid(struct xdr_stream *xdr, void *dummy) |
5779 | { | |
5780 | return decode_op_hdr(xdr, OP_DESTROY_CLIENTID); | |
5781 | } | |
5782 | ||
18019753 RL |
5783 | static int decode_reclaim_complete(struct xdr_stream *xdr, void *dummy) |
5784 | { | |
5785 | return decode_op_hdr(xdr, OP_RECLAIM_COMPLETE); | |
5786 | } | |
99fe60d0 BH |
5787 | #endif /* CONFIG_NFS_V4_1 */ |
5788 | ||
9b7b9fcc AA |
5789 | static int decode_sequence(struct xdr_stream *xdr, |
5790 | struct nfs4_sequence_res *res, | |
5791 | struct rpc_rqst *rqstp) | |
5792 | { | |
5793 | #if defined(CONFIG_NFS_V4_1) | |
e3725ec0 | 5794 | struct nfs4_session *session; |
fc01cea9 AA |
5795 | struct nfs4_sessionid id; |
5796 | u32 dummy; | |
5797 | int status; | |
5798 | __be32 *p; | |
5799 | ||
e3725ec0 | 5800 | if (res->sr_slot == NULL) |
9b7b9fcc | 5801 | return 0; |
3bd2384a CL |
5802 | if (!res->sr_slot->table->session) |
5803 | return 0; | |
9b7b9fcc | 5804 | |
fc01cea9 | 5805 | status = decode_op_hdr(xdr, OP_SEQUENCE); |
e78291e4 BH |
5806 | if (!status) |
5807 | status = decode_sessionid(xdr, &id); | |
5808 | if (unlikely(status)) | |
fc01cea9 | 5809 | goto out_err; |
9b7b9fcc | 5810 | |
fc01cea9 AA |
5811 | /* |
5812 | * If the server returns different values for sessionID, slotID or | |
5813 | * sequence number, the server is looney tunes. | |
5814 | */ | |
fdcb4577 | 5815 | status = -EREMOTEIO; |
e3725ec0 | 5816 | session = res->sr_slot->table->session; |
fc01cea9 | 5817 | |
e3725ec0 | 5818 | if (memcmp(id.data, session->sess_id.data, |
fc01cea9 AA |
5819 | NFS4_MAX_SESSIONID_LEN)) { |
5820 | dprintk("%s Invalid session id\n", __func__); | |
5821 | goto out_err; | |
5822 | } | |
e78291e4 | 5823 | |
c0eae66e BH |
5824 | p = xdr_inline_decode(xdr, 20); |
5825 | if (unlikely(!p)) | |
5826 | goto out_overflow; | |
e78291e4 | 5827 | |
fc01cea9 | 5828 | /* seqid */ |
6f723f77 | 5829 | dummy = be32_to_cpup(p++); |
dfb4f309 | 5830 | if (dummy != res->sr_slot->seq_nr) { |
fc01cea9 AA |
5831 | dprintk("%s Invalid sequence number\n", __func__); |
5832 | goto out_err; | |
5833 | } | |
5834 | /* slot id */ | |
6f723f77 | 5835 | dummy = be32_to_cpup(p++); |
df2fabff | 5836 | if (dummy != res->sr_slot->slot_nr) { |
fc01cea9 AA |
5837 | dprintk("%s Invalid slot id\n", __func__); |
5838 | goto out_err; | |
5839 | } | |
da0507b7 TM |
5840 | /* highest slot id */ |
5841 | res->sr_highest_slotid = be32_to_cpup(p++); | |
464ee9f9 TM |
5842 | /* target highest slot id */ |
5843 | res->sr_target_highest_slotid = be32_to_cpup(p++); | |
0629e370 AB |
5844 | /* result flags */ |
5845 | res->sr_status_flags = be32_to_cpup(p); | |
fc01cea9 AA |
5846 | status = 0; |
5847 | out_err: | |
5848 | res->sr_status = status; | |
5849 | return status; | |
c0eae66e | 5850 | out_overflow: |
c0eae66e BH |
5851 | status = -EIO; |
5852 | goto out_err; | |
fc01cea9 | 5853 | #else /* CONFIG_NFS_V4_1 */ |
9b7b9fcc | 5854 | return 0; |
fc01cea9 | 5855 | #endif /* CONFIG_NFS_V4_1 */ |
9b7b9fcc AA |
5856 | } |
5857 | ||
b1f69b75 | 5858 | #if defined(CONFIG_NFS_V4_1) |
93b717fd TM |
5859 | static int decode_layout_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) |
5860 | { | |
5861 | stateid->type = NFS4_LAYOUT_STATEID_TYPE; | |
5862 | return decode_stateid(xdr, stateid); | |
5863 | } | |
5864 | ||
b1f69b75 | 5865 | static int decode_getdeviceinfo(struct xdr_stream *xdr, |
4e590803 | 5866 | struct nfs4_getdeviceinfo_res *res) |
b1f69b75 | 5867 | { |
4e590803 | 5868 | struct pnfs_device *pdev = res->pdev; |
b1f69b75 AA |
5869 | __be32 *p; |
5870 | uint32_t len, type; | |
5871 | int status; | |
5872 | ||
5873 | status = decode_op_hdr(xdr, OP_GETDEVICEINFO); | |
5874 | if (status) { | |
5875 | if (status == -ETOOSMALL) { | |
5876 | p = xdr_inline_decode(xdr, 4); | |
5877 | if (unlikely(!p)) | |
eb72f484 | 5878 | return -EIO; |
b1f69b75 AA |
5879 | pdev->mincount = be32_to_cpup(p); |
5880 | dprintk("%s: Min count too small. mincnt = %u\n", | |
5881 | __func__, pdev->mincount); | |
5882 | } | |
5883 | return status; | |
5884 | } | |
5885 | ||
5886 | p = xdr_inline_decode(xdr, 8); | |
5887 | if (unlikely(!p)) | |
eb72f484 | 5888 | return -EIO; |
b1f69b75 AA |
5889 | type = be32_to_cpup(p++); |
5890 | if (type != pdev->layout_type) { | |
5891 | dprintk("%s: layout mismatch req: %u pdev: %u\n", | |
5892 | __func__, pdev->layout_type, type); | |
5893 | return -EINVAL; | |
5894 | } | |
5895 | /* | |
5896 | * Get the length of the opaque device_addr4. xdr_read_pages places | |
5897 | * the opaque device_addr4 in the xdr_buf->pages (pnfs_device->pages) | |
5898 | * and places the remaining xdr data in xdr_buf->tail | |
5899 | */ | |
5900 | pdev->mincount = be32_to_cpup(p); | |
13fe4ba1 | 5901 | if (xdr_read_pages(xdr, pdev->mincount) != pdev->mincount) |
eb72f484 | 5902 | return -EIO; |
b1f69b75 AA |
5903 | |
5904 | /* Parse notification bitmap, verifying that it is zero. */ | |
5905 | p = xdr_inline_decode(xdr, 4); | |
5906 | if (unlikely(!p)) | |
eb72f484 | 5907 | return -EIO; |
b1f69b75 AA |
5908 | len = be32_to_cpup(p); |
5909 | if (len) { | |
ead00597 | 5910 | uint32_t i; |
b1f69b75 AA |
5911 | |
5912 | p = xdr_inline_decode(xdr, 4 * len); | |
5913 | if (unlikely(!p)) | |
eb72f484 | 5914 | return -EIO; |
84c9dee3 | 5915 | |
4e590803 | 5916 | res->notification = be32_to_cpup(p++); |
84c9dee3 CH |
5917 | for (i = 1; i < len; i++) { |
5918 | if (be32_to_cpup(p++)) { | |
5919 | dprintk("%s: unsupported notification\n", | |
b1f69b75 AA |
5920 | __func__); |
5921 | return -EIO; | |
5922 | } | |
5923 | } | |
5924 | } | |
5925 | return 0; | |
b1f69b75 AA |
5926 | } |
5927 | ||
5928 | static int decode_layoutget(struct xdr_stream *xdr, struct rpc_rqst *req, | |
5929 | struct nfs4_layoutget_res *res) | |
5930 | { | |
5931 | __be32 *p; | |
5932 | int status; | |
5933 | u32 layout_count; | |
64bd577e | 5934 | u32 recvd; |
b1f69b75 AA |
5935 | |
5936 | status = decode_op_hdr(xdr, OP_LAYOUTGET); | |
5937 | if (status) | |
808ba32a | 5938 | goto out; |
ea9d23f5 TM |
5939 | p = xdr_inline_decode(xdr, 4); |
5940 | if (unlikely(!p)) | |
5941 | goto out_overflow; | |
5942 | res->return_on_close = be32_to_cpup(p); | |
93b717fd | 5943 | decode_layout_stateid(xdr, &res->stateid); |
ea9d23f5 | 5944 | p = xdr_inline_decode(xdr, 4); |
b1f69b75 AA |
5945 | if (unlikely(!p)) |
5946 | goto out_overflow; | |
b1f69b75 AA |
5947 | layout_count = be32_to_cpup(p); |
5948 | if (!layout_count) { | |
5949 | dprintk("%s: server responded with empty layout array\n", | |
5950 | __func__); | |
808ba32a FI |
5951 | status = -EINVAL; |
5952 | goto out; | |
b1f69b75 AA |
5953 | } |
5954 | ||
35124a09 | 5955 | p = xdr_inline_decode(xdr, 28); |
b1f69b75 AA |
5956 | if (unlikely(!p)) |
5957 | goto out_overflow; | |
5958 | p = xdr_decode_hyper(p, &res->range.offset); | |
5959 | p = xdr_decode_hyper(p, &res->range.length); | |
5960 | res->range.iomode = be32_to_cpup(p++); | |
5961 | res->type = be32_to_cpup(p++); | |
35124a09 | 5962 | res->layoutp->len = be32_to_cpup(p); |
b1f69b75 AA |
5963 | |
5964 | dprintk("%s roff:%lu rlen:%lu riomode:%d, lo_type:0x%x, lo.len:%d\n", | |
5965 | __func__, | |
5966 | (unsigned long)res->range.offset, | |
5967 | (unsigned long)res->range.length, | |
5968 | res->range.iomode, | |
5969 | res->type, | |
35124a09 WAA |
5970 | res->layoutp->len); |
5971 | ||
64bd577e | 5972 | recvd = xdr_read_pages(xdr, res->layoutp->len); |
35124a09 WAA |
5973 | if (res->layoutp->len > recvd) { |
5974 | dprintk("NFS: server cheating in layoutget reply: " | |
5975 | "layout len %u > recvd %u\n", | |
5976 | res->layoutp->len, recvd); | |
808ba32a FI |
5977 | status = -EINVAL; |
5978 | goto out; | |
35124a09 | 5979 | } |
b1f69b75 | 5980 | |
b1f69b75 AA |
5981 | if (layout_count > 1) { |
5982 | /* We only handle a length one array at the moment. Any | |
5983 | * further entries are just ignored. Note that this means | |
5984 | * the client may see a response that is less than the | |
5985 | * minimum it requested. | |
5986 | */ | |
5987 | dprintk("%s: server responded with %d layouts, dropping tail\n", | |
5988 | __func__, layout_count); | |
5989 | } | |
5990 | ||
808ba32a FI |
5991 | out: |
5992 | res->status = status; | |
5993 | return status; | |
b1f69b75 | 5994 | out_overflow: |
808ba32a FI |
5995 | status = -EIO; |
5996 | goto out; | |
b1f69b75 | 5997 | } |
863a3c6c | 5998 | |
cbe82603 BH |
5999 | static int decode_layoutreturn(struct xdr_stream *xdr, |
6000 | struct nfs4_layoutreturn_res *res) | |
6001 | { | |
6002 | __be32 *p; | |
6003 | int status; | |
6004 | ||
6005 | status = decode_op_hdr(xdr, OP_LAYOUTRETURN); | |
6006 | if (status) | |
6007 | return status; | |
6008 | p = xdr_inline_decode(xdr, 4); | |
6009 | if (unlikely(!p)) | |
eb72f484 | 6010 | return -EIO; |
cbe82603 BH |
6011 | res->lrs_present = be32_to_cpup(p); |
6012 | if (res->lrs_present) | |
93b717fd | 6013 | status = decode_layout_stateid(xdr, &res->stateid); |
fcd8843c TM |
6014 | else |
6015 | nfs4_stateid_copy(&res->stateid, &invalid_stateid); | |
cbe82603 | 6016 | return status; |
cbe82603 BH |
6017 | } |
6018 | ||
863a3c6c AA |
6019 | static int decode_layoutcommit(struct xdr_stream *xdr, |
6020 | struct rpc_rqst *req, | |
6021 | struct nfs4_layoutcommit_res *res) | |
6022 | { | |
6023 | __be32 *p; | |
6024 | __u32 sizechanged; | |
6025 | int status; | |
6026 | ||
6027 | status = decode_op_hdr(xdr, OP_LAYOUTCOMMIT); | |
db29c089 | 6028 | res->status = status; |
863a3c6c AA |
6029 | if (status) |
6030 | return status; | |
6031 | ||
6032 | p = xdr_inline_decode(xdr, 4); | |
6033 | if (unlikely(!p)) | |
eb72f484 | 6034 | return -EIO; |
863a3c6c AA |
6035 | sizechanged = be32_to_cpup(p); |
6036 | ||
6037 | if (sizechanged) { | |
6038 | /* throw away new size */ | |
6039 | p = xdr_inline_decode(xdr, 8); | |
6040 | if (unlikely(!p)) | |
eb72f484 | 6041 | return -EIO; |
863a3c6c AA |
6042 | } |
6043 | return 0; | |
863a3c6c | 6044 | } |
7d974794 BS |
6045 | |
6046 | static int decode_test_stateid(struct xdr_stream *xdr, | |
6047 | struct nfs41_test_stateid_res *res) | |
6048 | { | |
6049 | __be32 *p; | |
6050 | int status; | |
6051 | int num_res; | |
6052 | ||
6053 | status = decode_op_hdr(xdr, OP_TEST_STATEID); | |
6054 | if (status) | |
6055 | return status; | |
6056 | ||
6057 | p = xdr_inline_decode(xdr, 4); | |
6058 | if (unlikely(!p)) | |
eb72f484 | 6059 | return -EIO; |
7d974794 BS |
6060 | num_res = be32_to_cpup(p++); |
6061 | if (num_res != 1) | |
eb72f484 | 6062 | return -EIO; |
7d974794 BS |
6063 | |
6064 | p = xdr_inline_decode(xdr, 4); | |
6065 | if (unlikely(!p)) | |
eb72f484 | 6066 | return -EIO; |
7d974794 | 6067 | res->status = be32_to_cpup(p++); |
1cab0652 BS |
6068 | |
6069 | return status; | |
7d974794 | 6070 | } |
9aeda35f BS |
6071 | |
6072 | static int decode_free_stateid(struct xdr_stream *xdr, | |
6073 | struct nfs41_free_stateid_res *res) | |
6074 | { | |
9f79fb48 | 6075 | res->status = decode_op_hdr(xdr, OP_FREE_STATEID); |
9aeda35f | 6076 | return res->status; |
9aeda35f | 6077 | } |
cf805165 TM |
6078 | #else |
6079 | static inline | |
6080 | int decode_layoutreturn(struct xdr_stream *xdr, | |
6081 | struct nfs4_layoutreturn_res *res) | |
6082 | { | |
6083 | return 0; | |
6084 | } | |
56f487f8 FI |
6085 | |
6086 | static int decode_layoutget(struct xdr_stream *xdr, struct rpc_rqst *req, | |
6087 | struct nfs4_layoutget_res *res) | |
6088 | { | |
6089 | return 0; | |
6090 | } | |
6091 | ||
b1f69b75 AA |
6092 | #endif /* CONFIG_NFS_V4_1 */ |
6093 | ||
49c2559e BH |
6094 | /* |
6095 | * END OF "GENERIC" DECODE ROUTINES. | |
6096 | */ | |
6097 | ||
1da177e4 LT |
6098 | /* |
6099 | * Decode OPEN_DOWNGRADE response | |
6100 | */ | |
bf269551 CL |
6101 | static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst *rqstp, |
6102 | struct xdr_stream *xdr, | |
fc016483 | 6103 | void *data) |
1da177e4 | 6104 | { |
fc016483 | 6105 | struct nfs_closeres *res = data; |
05d564fe AA |
6106 | struct compound_hdr hdr; |
6107 | int status; | |
6108 | ||
bf269551 | 6109 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6110 | if (status) |
6111 | goto out; | |
bf269551 | 6112 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6113 | if (status) |
6114 | goto out; | |
bf269551 | 6115 | status = decode_putfh(xdr); |
05d564fe AA |
6116 | if (status) |
6117 | goto out; | |
b6808145 TM |
6118 | if (res->lr_res) { |
6119 | status = decode_layoutreturn(xdr, res->lr_res); | |
6120 | res->lr_ret = status; | |
6121 | if (status) | |
6122 | goto out; | |
6123 | } | |
bf269551 | 6124 | status = decode_open_downgrade(xdr, res); |
1da177e4 | 6125 | out: |
05d564fe | 6126 | return status; |
1da177e4 LT |
6127 | } |
6128 | ||
1da177e4 LT |
6129 | /* |
6130 | * Decode ACCESS response | |
6131 | */ | |
bf269551 | 6132 | static int nfs4_xdr_dec_access(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
fc016483 | 6133 | void *data) |
1da177e4 | 6134 | { |
fc016483 | 6135 | struct nfs4_accessres *res = data; |
1da177e4 LT |
6136 | struct compound_hdr hdr; |
6137 | int status; | |
6c0195a4 | 6138 | |
bf269551 | 6139 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6140 | if (status) |
6141 | goto out; | |
bf269551 | 6142 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6143 | if (status) |
1da177e4 | 6144 | goto out; |
bf269551 | 6145 | status = decode_putfh(xdr); |
76b32999 TM |
6146 | if (status != 0) |
6147 | goto out; | |
6168f62c | 6148 | status = decode_access(xdr, &res->supported, &res->access); |
76b32999 TM |
6149 | if (status != 0) |
6150 | goto out; | |
8bcbe7d9 TM |
6151 | if (res->fattr) |
6152 | decode_getfattr(xdr, res->fattr, res->server); | |
1da177e4 LT |
6153 | out: |
6154 | return status; | |
6155 | } | |
6156 | ||
6157 | /* | |
6158 | * Decode LOOKUP response | |
6159 | */ | |
bf269551 | 6160 | static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
fc016483 | 6161 | void *data) |
1da177e4 | 6162 | { |
fc016483 | 6163 | struct nfs4_lookup_res *res = data; |
1da177e4 LT |
6164 | struct compound_hdr hdr; |
6165 | int status; | |
6c0195a4 | 6166 | |
bf269551 | 6167 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6168 | if (status) |
6169 | goto out; | |
bf269551 | 6170 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6171 | if (status) |
1da177e4 | 6172 | goto out; |
bf269551 CL |
6173 | status = decode_putfh(xdr); |
6174 | if (status) | |
1da177e4 | 6175 | goto out; |
bf269551 CL |
6176 | status = decode_lookup(xdr); |
6177 | if (status) | |
1da177e4 | 6178 | goto out; |
bf269551 CL |
6179 | status = decode_getfh(xdr, res->fh); |
6180 | if (status) | |
1da177e4 | 6181 | goto out; |
aa9c2669 | 6182 | status = decode_getfattr_label(xdr, res->fattr, res->label, res->server); |
1da177e4 LT |
6183 | out: |
6184 | return status; | |
6185 | } | |
6186 | ||
5b5faaf6 JL |
6187 | /* |
6188 | * Decode LOOKUPP response | |
6189 | */ | |
6190 | static int nfs4_xdr_dec_lookupp(struct rpc_rqst *rqstp, struct xdr_stream *xdr, | |
6191 | void *data) | |
6192 | { | |
6193 | struct nfs4_lookupp_res *res = data; | |
6194 | struct compound_hdr hdr; | |
6195 | int status; | |
6196 | ||
6197 | status = decode_compound_hdr(xdr, &hdr); | |
6198 | if (status) | |
6199 | goto out; | |
6200 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6201 | if (status) | |
6202 | goto out; | |
6203 | status = decode_putfh(xdr); | |
6204 | if (status) | |
6205 | goto out; | |
6206 | status = decode_lookupp(xdr); | |
6207 | if (status) | |
6208 | goto out; | |
6209 | status = decode_getfh(xdr, res->fh); | |
6210 | if (status) | |
6211 | goto out; | |
6212 | status = decode_getfattr_label(xdr, res->fattr, res->label, res->server); | |
6213 | out: | |
6214 | return status; | |
6215 | } | |
6216 | ||
1da177e4 LT |
6217 | /* |
6218 | * Decode LOOKUP_ROOT response | |
6219 | */ | |
bf269551 CL |
6220 | static int nfs4_xdr_dec_lookup_root(struct rpc_rqst *rqstp, |
6221 | struct xdr_stream *xdr, | |
fc016483 | 6222 | void *data) |
1da177e4 | 6223 | { |
fc016483 | 6224 | struct nfs4_lookup_res *res = data; |
1da177e4 LT |
6225 | struct compound_hdr hdr; |
6226 | int status; | |
6c0195a4 | 6227 | |
bf269551 | 6228 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6229 | if (status) |
6230 | goto out; | |
bf269551 | 6231 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6232 | if (status) |
1da177e4 | 6233 | goto out; |
bf269551 CL |
6234 | status = decode_putrootfh(xdr); |
6235 | if (status) | |
1da177e4 | 6236 | goto out; |
bf269551 CL |
6237 | status = decode_getfh(xdr, res->fh); |
6238 | if (status == 0) | |
aa9c2669 DQ |
6239 | status = decode_getfattr_label(xdr, res->fattr, |
6240 | res->label, res->server); | |
1da177e4 LT |
6241 | out: |
6242 | return status; | |
6243 | } | |
6244 | ||
6245 | /* | |
6246 | * Decode REMOVE response | |
6247 | */ | |
bf269551 | 6248 | static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
fc016483 | 6249 | void *data) |
1da177e4 | 6250 | { |
fc016483 | 6251 | struct nfs_removeres *res = data; |
1da177e4 LT |
6252 | struct compound_hdr hdr; |
6253 | int status; | |
6c0195a4 | 6254 | |
bf269551 | 6255 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6256 | if (status) |
6257 | goto out; | |
bf269551 | 6258 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6259 | if (status) |
1da177e4 | 6260 | goto out; |
bf269551 CL |
6261 | status = decode_putfh(xdr); |
6262 | if (status) | |
16e42959 | 6263 | goto out; |
bf269551 | 6264 | status = decode_remove(xdr, &res->cinfo); |
1da177e4 LT |
6265 | out: |
6266 | return status; | |
6267 | } | |
6268 | ||
6269 | /* | |
6270 | * Decode RENAME response | |
6271 | */ | |
bf269551 | 6272 | static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
fc016483 | 6273 | void *data) |
1da177e4 | 6274 | { |
fc016483 | 6275 | struct nfs_renameres *res = data; |
1da177e4 LT |
6276 | struct compound_hdr hdr; |
6277 | int status; | |
6c0195a4 | 6278 | |
bf269551 | 6279 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6280 | if (status) |
6281 | goto out; | |
bf269551 | 6282 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6283 | if (status) |
1da177e4 | 6284 | goto out; |
bf269551 CL |
6285 | status = decode_putfh(xdr); |
6286 | if (status) | |
1da177e4 | 6287 | goto out; |
bf269551 CL |
6288 | status = decode_savefh(xdr); |
6289 | if (status) | |
1da177e4 | 6290 | goto out; |
bf269551 CL |
6291 | status = decode_putfh(xdr); |
6292 | if (status) | |
1da177e4 | 6293 | goto out; |
bf269551 | 6294 | status = decode_rename(xdr, &res->old_cinfo, &res->new_cinfo); |
1da177e4 LT |
6295 | out: |
6296 | return status; | |
6297 | } | |
6298 | ||
6299 | /* | |
6300 | * Decode LINK response | |
6301 | */ | |
bf269551 | 6302 | static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
fc016483 | 6303 | void *data) |
1da177e4 | 6304 | { |
fc016483 | 6305 | struct nfs4_link_res *res = data; |
1da177e4 LT |
6306 | struct compound_hdr hdr; |
6307 | int status; | |
6c0195a4 | 6308 | |
bf269551 | 6309 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6310 | if (status) |
6311 | goto out; | |
bf269551 | 6312 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6313 | if (status) |
1da177e4 | 6314 | goto out; |
bf269551 CL |
6315 | status = decode_putfh(xdr); |
6316 | if (status) | |
1da177e4 | 6317 | goto out; |
bf269551 CL |
6318 | status = decode_savefh(xdr); |
6319 | if (status) | |
1da177e4 | 6320 | goto out; |
bf269551 CL |
6321 | status = decode_putfh(xdr); |
6322 | if (status) | |
1da177e4 | 6323 | goto out; |
bf269551 CL |
6324 | status = decode_link(xdr, &res->cinfo); |
6325 | if (status) | |
91ba2eee TM |
6326 | goto out; |
6327 | /* | |
6328 | * Note order: OP_LINK leaves the directory as the current | |
6329 | * filehandle. | |
6330 | */ | |
bf269551 CL |
6331 | status = decode_restorefh(xdr); |
6332 | if (status) | |
91ba2eee | 6333 | goto out; |
aa9c2669 | 6334 | decode_getfattr_label(xdr, res->fattr, res->label, res->server); |
1da177e4 LT |
6335 | out: |
6336 | return status; | |
6337 | } | |
6338 | ||
6339 | /* | |
6340 | * Decode CREATE response | |
6341 | */ | |
bf269551 | 6342 | static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
fc016483 | 6343 | void *data) |
1da177e4 | 6344 | { |
fc016483 | 6345 | struct nfs4_create_res *res = data; |
1da177e4 LT |
6346 | struct compound_hdr hdr; |
6347 | int status; | |
6c0195a4 | 6348 | |
bf269551 | 6349 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6350 | if (status) |
6351 | goto out; | |
bf269551 | 6352 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6353 | if (status) |
1da177e4 | 6354 | goto out; |
bf269551 | 6355 | status = decode_putfh(xdr); |
bf269551 | 6356 | if (status) |
56ae19f3 | 6357 | goto out; |
bf269551 CL |
6358 | status = decode_create(xdr, &res->dir_cinfo); |
6359 | if (status) | |
1da177e4 | 6360 | goto out; |
bf269551 CL |
6361 | status = decode_getfh(xdr, res->fh); |
6362 | if (status) | |
1da177e4 | 6363 | goto out; |
aa9c2669 | 6364 | decode_getfattr_label(xdr, res->fattr, res->label, res->server); |
1da177e4 LT |
6365 | out: |
6366 | return status; | |
6367 | } | |
6368 | ||
6369 | /* | |
6370 | * Decode SYMLINK response | |
6371 | */ | |
bf269551 | 6372 | static int nfs4_xdr_dec_symlink(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
fc016483 | 6373 | void *res) |
1da177e4 | 6374 | { |
bf269551 | 6375 | return nfs4_xdr_dec_create(rqstp, xdr, res); |
1da177e4 LT |
6376 | } |
6377 | ||
6378 | /* | |
6379 | * Decode GETATTR response | |
6380 | */ | |
bf269551 | 6381 | static int nfs4_xdr_dec_getattr(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
fc016483 | 6382 | void *data) |
1da177e4 | 6383 | { |
fc016483 | 6384 | struct nfs4_getattr_res *res = data; |
1da177e4 LT |
6385 | struct compound_hdr hdr; |
6386 | int status; | |
6c0195a4 | 6387 | |
bf269551 | 6388 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6389 | if (status) |
6390 | goto out; | |
bf269551 | 6391 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6392 | if (status) |
6393 | goto out; | |
bf269551 | 6394 | status = decode_putfh(xdr); |
1da177e4 LT |
6395 | if (status) |
6396 | goto out; | |
aa9c2669 | 6397 | status = decode_getfattr_label(xdr, res->fattr, res->label, res->server); |
1da177e4 LT |
6398 | out: |
6399 | return status; | |
1da177e4 LT |
6400 | } |
6401 | ||
23ec6965 BF |
6402 | /* |
6403 | * Encode an SETACL request | |
6404 | */ | |
9f06c719 | 6405 | static void nfs4_xdr_enc_setacl(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 6406 | const void *data) |
23ec6965 | 6407 | { |
fcc85819 | 6408 | const struct nfs_setaclargs *args = data; |
05d564fe | 6409 | struct compound_hdr hdr = { |
66cc0429 | 6410 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 6411 | }; |
05d564fe | 6412 | |
9f06c719 CL |
6413 | encode_compound_hdr(xdr, req, &hdr); |
6414 | encode_sequence(xdr, &args->seq_args, &hdr); | |
6415 | encode_putfh(xdr, args->fh, &hdr); | |
6416 | encode_setacl(xdr, args, &hdr); | |
d017931c | 6417 | encode_nops(&hdr); |
23ec6965 | 6418 | } |
05d564fe | 6419 | |
23ec6965 BF |
6420 | /* |
6421 | * Decode SETACL response | |
6422 | */ | |
6423 | static int | |
bf269551 | 6424 | nfs4_xdr_dec_setacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
fc016483 | 6425 | void *data) |
23ec6965 | 6426 | { |
fc016483 | 6427 | struct nfs_setaclres *res = data; |
23ec6965 BF |
6428 | struct compound_hdr hdr; |
6429 | int status; | |
6430 | ||
bf269551 | 6431 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6432 | if (status) |
6433 | goto out; | |
bf269551 | 6434 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
23ec6965 BF |
6435 | if (status) |
6436 | goto out; | |
bf269551 | 6437 | status = decode_putfh(xdr); |
23ec6965 BF |
6438 | if (status) |
6439 | goto out; | |
bf269551 | 6440 | status = decode_setattr(xdr); |
23ec6965 BF |
6441 | out: |
6442 | return status; | |
6443 | } | |
1da177e4 | 6444 | |
029d105e BF |
6445 | /* |
6446 | * Decode GETACL response | |
6447 | */ | |
6448 | static int | |
bf269551 | 6449 | nfs4_xdr_dec_getacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
fc016483 | 6450 | void *data) |
029d105e | 6451 | { |
fc016483 | 6452 | struct nfs_getaclres *res = data; |
029d105e BF |
6453 | struct compound_hdr hdr; |
6454 | int status; | |
6455 | ||
0ae4c3e8 CL |
6456 | if (res->acl_scratch != NULL) |
6457 | xdr_set_scratch_page(xdr, res->acl_scratch); | |
bf269551 | 6458 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6459 | if (status) |
6460 | goto out; | |
bf269551 | 6461 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
029d105e BF |
6462 | if (status) |
6463 | goto out; | |
bf269551 | 6464 | status = decode_putfh(xdr); |
029d105e BF |
6465 | if (status) |
6466 | goto out; | |
bf118a34 | 6467 | status = decode_getacl(xdr, rqstp, res); |
029d105e BF |
6468 | |
6469 | out: | |
6470 | return status; | |
6471 | } | |
6472 | ||
1da177e4 LT |
6473 | /* |
6474 | * Decode CLOSE response | |
6475 | */ | |
bf269551 | 6476 | static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
fc016483 | 6477 | void *data) |
1da177e4 | 6478 | { |
fc016483 | 6479 | struct nfs_closeres *res = data; |
05d564fe AA |
6480 | struct compound_hdr hdr; |
6481 | int status; | |
6482 | ||
bf269551 | 6483 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6484 | if (status) |
6485 | goto out; | |
bf269551 | 6486 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6487 | if (status) |
6488 | goto out; | |
bf269551 | 6489 | status = decode_putfh(xdr); |
05d564fe AA |
6490 | if (status) |
6491 | goto out; | |
cf805165 TM |
6492 | if (res->lr_res) { |
6493 | status = decode_layoutreturn(xdr, res->lr_res); | |
6494 | res->lr_ret = status; | |
6495 | if (status) | |
6496 | goto out; | |
6497 | } | |
d8d84983 TM |
6498 | if (res->fattr != NULL) { |
6499 | status = decode_getfattr(xdr, res->fattr, res->server); | |
6500 | if (status != 0) | |
6501 | goto out; | |
6502 | } | |
bf269551 | 6503 | status = decode_close(xdr, res); |
1da177e4 | 6504 | out: |
05d564fe | 6505 | return status; |
1da177e4 LT |
6506 | } |
6507 | ||
6508 | /* | |
6509 | * Decode OPEN response | |
6510 | */ | |
bf269551 | 6511 | static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
fc016483 | 6512 | void *data) |
1da177e4 | 6513 | { |
fc016483 | 6514 | struct nfs_openres *res = data; |
05d564fe AA |
6515 | struct compound_hdr hdr; |
6516 | int status; | |
6517 | ||
bf269551 | 6518 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6519 | if (status) |
6520 | goto out; | |
bf269551 | 6521 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6522 | if (status) |
6523 | goto out; | |
bf269551 | 6524 | status = decode_putfh(xdr); |
05d564fe AA |
6525 | if (status) |
6526 | goto out; | |
bf269551 | 6527 | status = decode_open(xdr, res); |
56ae19f3 TM |
6528 | if (status) |
6529 | goto out; | |
01913b49 WAA |
6530 | status = decode_getfh(xdr, &res->fh); |
6531 | if (status) | |
1da177e4 | 6532 | goto out; |
ae2bb032 WAA |
6533 | if (res->access_request) |
6534 | decode_access(xdr, &res->access_supported, &res->access_result); | |
aa9c2669 | 6535 | decode_getfattr_label(xdr, res->f_attr, res->f_label, res->server); |
56f487f8 FI |
6536 | if (res->lg_res) |
6537 | decode_layoutget(xdr, rqstp, res->lg_res); | |
1da177e4 | 6538 | out: |
05d564fe | 6539 | return status; |
1da177e4 LT |
6540 | } |
6541 | ||
6542 | /* | |
6543 | * Decode OPEN_CONFIRM response | |
6544 | */ | |
bf269551 CL |
6545 | static int nfs4_xdr_dec_open_confirm(struct rpc_rqst *rqstp, |
6546 | struct xdr_stream *xdr, | |
fc016483 | 6547 | void *data) |
1da177e4 | 6548 | { |
fc016483 | 6549 | struct nfs_open_confirmres *res = data; |
05d564fe AA |
6550 | struct compound_hdr hdr; |
6551 | int status; | |
6552 | ||
bf269551 | 6553 | status = decode_compound_hdr(xdr, &hdr); |
05d564fe AA |
6554 | if (status) |
6555 | goto out; | |
bf269551 | 6556 | status = decode_putfh(xdr); |
05d564fe AA |
6557 | if (status) |
6558 | goto out; | |
bf269551 | 6559 | status = decode_open_confirm(xdr, res); |
1da177e4 | 6560 | out: |
05d564fe | 6561 | return status; |
1da177e4 LT |
6562 | } |
6563 | ||
6564 | /* | |
6565 | * Decode OPEN response | |
6566 | */ | |
bf269551 CL |
6567 | static int nfs4_xdr_dec_open_noattr(struct rpc_rqst *rqstp, |
6568 | struct xdr_stream *xdr, | |
fc016483 | 6569 | void *data) |
1da177e4 | 6570 | { |
fc016483 | 6571 | struct nfs_openres *res = data; |
05d564fe AA |
6572 | struct compound_hdr hdr; |
6573 | int status; | |
6574 | ||
bf269551 | 6575 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6576 | if (status) |
6577 | goto out; | |
bf269551 | 6578 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6579 | if (status) |
6580 | goto out; | |
bf269551 | 6581 | status = decode_putfh(xdr); |
05d564fe AA |
6582 | if (status) |
6583 | goto out; | |
bf269551 | 6584 | status = decode_open(xdr, res); |
05d564fe AA |
6585 | if (status) |
6586 | goto out; | |
ae2bb032 WAA |
6587 | if (res->access_request) |
6588 | decode_access(xdr, &res->access_supported, &res->access_result); | |
6926afd1 | 6589 | decode_getfattr(xdr, res->f_attr, res->server); |
56f487f8 FI |
6590 | if (res->lg_res) |
6591 | decode_layoutget(xdr, rqstp, res->lg_res); | |
1da177e4 | 6592 | out: |
05d564fe | 6593 | return status; |
1da177e4 LT |
6594 | } |
6595 | ||
6596 | /* | |
6597 | * Decode SETATTR response | |
6598 | */ | |
bf269551 CL |
6599 | static int nfs4_xdr_dec_setattr(struct rpc_rqst *rqstp, |
6600 | struct xdr_stream *xdr, | |
fc016483 | 6601 | void *data) |
1da177e4 | 6602 | { |
fc016483 | 6603 | struct nfs_setattrres *res = data; |
05d564fe AA |
6604 | struct compound_hdr hdr; |
6605 | int status; | |
6606 | ||
bf269551 | 6607 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6608 | if (status) |
6609 | goto out; | |
bf269551 | 6610 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6611 | if (status) |
6612 | goto out; | |
bf269551 | 6613 | status = decode_putfh(xdr); |
05d564fe AA |
6614 | if (status) |
6615 | goto out; | |
bf269551 | 6616 | status = decode_setattr(xdr); |
05d564fe AA |
6617 | if (status) |
6618 | goto out; | |
aa9c2669 | 6619 | decode_getfattr_label(xdr, res->fattr, res->label, res->server); |
1da177e4 | 6620 | out: |
05d564fe | 6621 | return status; |
1da177e4 LT |
6622 | } |
6623 | ||
6624 | /* | |
6625 | * Decode LOCK response | |
6626 | */ | |
bf269551 | 6627 | static int nfs4_xdr_dec_lock(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
fc016483 | 6628 | void *data) |
1da177e4 | 6629 | { |
fc016483 | 6630 | struct nfs_lock_res *res = data; |
1da177e4 LT |
6631 | struct compound_hdr hdr; |
6632 | int status; | |
6633 | ||
bf269551 | 6634 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6635 | if (status) |
6636 | goto out; | |
bf269551 | 6637 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6638 | if (status) |
6639 | goto out; | |
bf269551 | 6640 | status = decode_putfh(xdr); |
1da177e4 LT |
6641 | if (status) |
6642 | goto out; | |
bf269551 | 6643 | status = decode_lock(xdr, res); |
1da177e4 LT |
6644 | out: |
6645 | return status; | |
6646 | } | |
6647 | ||
6648 | /* | |
6649 | * Decode LOCKT response | |
6650 | */ | |
bf269551 | 6651 | static int nfs4_xdr_dec_lockt(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
fc016483 | 6652 | void *data) |
1da177e4 | 6653 | { |
fc016483 | 6654 | struct nfs_lockt_res *res = data; |
1da177e4 LT |
6655 | struct compound_hdr hdr; |
6656 | int status; | |
6657 | ||
bf269551 | 6658 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6659 | if (status) |
6660 | goto out; | |
bf269551 | 6661 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6662 | if (status) |
6663 | goto out; | |
bf269551 | 6664 | status = decode_putfh(xdr); |
1da177e4 LT |
6665 | if (status) |
6666 | goto out; | |
bf269551 | 6667 | status = decode_lockt(xdr, res); |
1da177e4 LT |
6668 | out: |
6669 | return status; | |
6670 | } | |
6671 | ||
6672 | /* | |
6673 | * Decode LOCKU response | |
6674 | */ | |
bf269551 | 6675 | static int nfs4_xdr_dec_locku(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
fc016483 | 6676 | void *data) |
1da177e4 | 6677 | { |
fc016483 | 6678 | struct nfs_locku_res *res = data; |
1da177e4 LT |
6679 | struct compound_hdr hdr; |
6680 | int status; | |
6681 | ||
bf269551 | 6682 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6683 | if (status) |
6684 | goto out; | |
bf269551 | 6685 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6686 | if (status) |
6687 | goto out; | |
bf269551 | 6688 | status = decode_putfh(xdr); |
1da177e4 LT |
6689 | if (status) |
6690 | goto out; | |
bf269551 | 6691 | status = decode_locku(xdr, res); |
1da177e4 LT |
6692 | out: |
6693 | return status; | |
6694 | } | |
6695 | ||
bf269551 CL |
6696 | static int nfs4_xdr_dec_release_lockowner(struct rpc_rqst *rqstp, |
6697 | struct xdr_stream *xdr, void *dummy) | |
d3c7b7cc | 6698 | { |
d3c7b7cc TM |
6699 | struct compound_hdr hdr; |
6700 | int status; | |
6701 | ||
bf269551 | 6702 | status = decode_compound_hdr(xdr, &hdr); |
d3c7b7cc | 6703 | if (!status) |
bf269551 | 6704 | status = decode_release_lockowner(xdr); |
d3c7b7cc TM |
6705 | return status; |
6706 | } | |
6707 | ||
1da177e4 LT |
6708 | /* |
6709 | * Decode READLINK response | |
6710 | */ | |
bf269551 CL |
6711 | static int nfs4_xdr_dec_readlink(struct rpc_rqst *rqstp, |
6712 | struct xdr_stream *xdr, | |
fc016483 | 6713 | void *data) |
1da177e4 | 6714 | { |
fc016483 | 6715 | struct nfs4_readlink_res *res = data; |
1da177e4 LT |
6716 | struct compound_hdr hdr; |
6717 | int status; | |
6718 | ||
bf269551 | 6719 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6720 | if (status) |
6721 | goto out; | |
bf269551 | 6722 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6723 | if (status) |
6724 | goto out; | |
bf269551 | 6725 | status = decode_putfh(xdr); |
1da177e4 LT |
6726 | if (status) |
6727 | goto out; | |
bf269551 | 6728 | status = decode_readlink(xdr, rqstp); |
1da177e4 LT |
6729 | out: |
6730 | return status; | |
6731 | } | |
6732 | ||
6733 | /* | |
6734 | * Decode READDIR response | |
6735 | */ | |
bf269551 | 6736 | static int nfs4_xdr_dec_readdir(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
fc016483 | 6737 | void *data) |
1da177e4 | 6738 | { |
fc016483 | 6739 | struct nfs4_readdir_res *res = data; |
1da177e4 LT |
6740 | struct compound_hdr hdr; |
6741 | int status; | |
6742 | ||
bf269551 | 6743 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6744 | if (status) |
6745 | goto out; | |
bf269551 | 6746 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6747 | if (status) |
6748 | goto out; | |
bf269551 | 6749 | status = decode_putfh(xdr); |
1da177e4 LT |
6750 | if (status) |
6751 | goto out; | |
bf269551 | 6752 | status = decode_readdir(xdr, rqstp, res); |
1da177e4 LT |
6753 | out: |
6754 | return status; | |
6755 | } | |
6756 | ||
6757 | /* | |
6758 | * Decode Read response | |
6759 | */ | |
bf269551 | 6760 | static int nfs4_xdr_dec_read(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
fc016483 | 6761 | void *data) |
1da177e4 | 6762 | { |
fc016483 | 6763 | struct nfs_pgio_res *res = data; |
1da177e4 LT |
6764 | struct compound_hdr hdr; |
6765 | int status; | |
6766 | ||
bf269551 | 6767 | status = decode_compound_hdr(xdr, &hdr); |
aabff4dd | 6768 | res->op_status = hdr.status; |
9b7b9fcc AA |
6769 | if (status) |
6770 | goto out; | |
bf269551 | 6771 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6772 | if (status) |
6773 | goto out; | |
bf269551 | 6774 | status = decode_putfh(xdr); |
1da177e4 LT |
6775 | if (status) |
6776 | goto out; | |
bf269551 | 6777 | status = decode_read(xdr, rqstp, res); |
1da177e4 LT |
6778 | if (!status) |
6779 | status = res->count; | |
6780 | out: | |
6781 | return status; | |
6782 | } | |
6783 | ||
6784 | /* | |
6785 | * Decode WRITE response | |
6786 | */ | |
bf269551 | 6787 | static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
fc016483 | 6788 | void *data) |
1da177e4 | 6789 | { |
fc016483 | 6790 | struct nfs_pgio_res *res = data; |
1da177e4 LT |
6791 | struct compound_hdr hdr; |
6792 | int status; | |
6793 | ||
bf269551 | 6794 | status = decode_compound_hdr(xdr, &hdr); |
aabff4dd | 6795 | res->op_status = hdr.status; |
9b7b9fcc AA |
6796 | if (status) |
6797 | goto out; | |
bf269551 | 6798 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6799 | if (status) |
6800 | goto out; | |
bf269551 | 6801 | status = decode_putfh(xdr); |
1da177e4 LT |
6802 | if (status) |
6803 | goto out; | |
bf269551 | 6804 | status = decode_write(xdr, res); |
4f9838c7 TM |
6805 | if (status) |
6806 | goto out; | |
7ffd1064 | 6807 | if (res->fattr) |
6926afd1 | 6808 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6809 | if (!status) |
6810 | status = res->count; | |
6811 | out: | |
6812 | return status; | |
6813 | } | |
6814 | ||
6815 | /* | |
6816 | * Decode COMMIT response | |
6817 | */ | |
bf269551 | 6818 | static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
fc016483 | 6819 | void *data) |
1da177e4 | 6820 | { |
fc016483 | 6821 | struct nfs_commitres *res = data; |
1da177e4 LT |
6822 | struct compound_hdr hdr; |
6823 | int status; | |
6824 | ||
bf269551 | 6825 | status = decode_compound_hdr(xdr, &hdr); |
aabff4dd | 6826 | res->op_status = hdr.status; |
9b7b9fcc AA |
6827 | if (status) |
6828 | goto out; | |
bf269551 | 6829 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6830 | if (status) |
6831 | goto out; | |
bf269551 | 6832 | status = decode_putfh(xdr); |
1da177e4 LT |
6833 | if (status) |
6834 | goto out; | |
bf269551 | 6835 | status = decode_commit(xdr, res); |
1da177e4 LT |
6836 | out: |
6837 | return status; | |
6838 | } | |
6839 | ||
6840 | /* | |
8b173218 | 6841 | * Decode FSINFO response |
1da177e4 | 6842 | */ |
bf269551 | 6843 | static int nfs4_xdr_dec_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, |
fc016483 | 6844 | void *data) |
1da177e4 | 6845 | { |
fc016483 | 6846 | struct nfs4_fsinfo_res *res = data; |
1da177e4 LT |
6847 | struct compound_hdr hdr; |
6848 | int status; | |
6849 | ||
bf269551 | 6850 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6851 | if (!status) |
bf269551 | 6852 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6853 | if (!status) |
bf269551 | 6854 | status = decode_putfh(xdr); |
1da177e4 | 6855 | if (!status) |
bf269551 | 6856 | status = decode_fsinfo(xdr, res->fsinfo); |
1da177e4 LT |
6857 | return status; |
6858 | } | |
6859 | ||
6860 | /* | |
8b173218 | 6861 | * Decode PATHCONF response |
1da177e4 | 6862 | */ |
bf269551 | 6863 | static int nfs4_xdr_dec_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, |
fc016483 | 6864 | void *data) |
1da177e4 | 6865 | { |
fc016483 | 6866 | struct nfs4_pathconf_res *res = data; |
1da177e4 LT |
6867 | struct compound_hdr hdr; |
6868 | int status; | |
6869 | ||
bf269551 | 6870 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6871 | if (!status) |
bf269551 | 6872 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6873 | if (!status) |
bf269551 | 6874 | status = decode_putfh(xdr); |
1da177e4 | 6875 | if (!status) |
bf269551 | 6876 | status = decode_pathconf(xdr, res->pathconf); |
1da177e4 LT |
6877 | return status; |
6878 | } | |
6879 | ||
6880 | /* | |
8b173218 | 6881 | * Decode STATFS response |
1da177e4 | 6882 | */ |
bf269551 | 6883 | static int nfs4_xdr_dec_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, |
fc016483 | 6884 | void *data) |
1da177e4 | 6885 | { |
fc016483 | 6886 | struct nfs4_statfs_res *res = data; |
1da177e4 LT |
6887 | struct compound_hdr hdr; |
6888 | int status; | |
6889 | ||
bf269551 | 6890 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6891 | if (!status) |
bf269551 | 6892 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6893 | if (!status) |
bf269551 | 6894 | status = decode_putfh(xdr); |
1da177e4 | 6895 | if (!status) |
bf269551 | 6896 | status = decode_statfs(xdr, res->fsstat); |
1da177e4 LT |
6897 | return status; |
6898 | } | |
6899 | ||
6900 | /* | |
8b173218 | 6901 | * Decode GETATTR_BITMAP response |
1da177e4 | 6902 | */ |
bf269551 CL |
6903 | static int nfs4_xdr_dec_server_caps(struct rpc_rqst *req, |
6904 | struct xdr_stream *xdr, | |
fc016483 | 6905 | void *data) |
1da177e4 | 6906 | { |
fc016483 | 6907 | struct nfs4_server_caps_res *res = data; |
1da177e4 LT |
6908 | struct compound_hdr hdr; |
6909 | int status; | |
6910 | ||
bf269551 | 6911 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6912 | if (status) |
6913 | goto out; | |
bf269551 | 6914 | status = decode_sequence(xdr, &res->seq_res, req); |
9b7b9fcc | 6915 | if (status) |
1da177e4 | 6916 | goto out; |
bf269551 CL |
6917 | status = decode_putfh(xdr); |
6918 | if (status) | |
1da177e4 | 6919 | goto out; |
bf269551 | 6920 | status = decode_server_caps(xdr, res); |
1da177e4 LT |
6921 | out: |
6922 | return status; | |
6923 | } | |
6924 | ||
6925 | /* | |
6926 | * Decode RENEW response | |
6927 | */ | |
bf269551 CL |
6928 | static int nfs4_xdr_dec_renew(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6929 | void *__unused) | |
1da177e4 | 6930 | { |
1da177e4 LT |
6931 | struct compound_hdr hdr; |
6932 | int status; | |
6933 | ||
bf269551 | 6934 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6935 | if (!status) |
bf269551 | 6936 | status = decode_renew(xdr); |
1da177e4 LT |
6937 | return status; |
6938 | } | |
6939 | ||
6940 | /* | |
8b173218 | 6941 | * Decode SETCLIENTID response |
1da177e4 | 6942 | */ |
bf269551 CL |
6943 | static int nfs4_xdr_dec_setclientid(struct rpc_rqst *req, |
6944 | struct xdr_stream *xdr, | |
fc016483 | 6945 | void *data) |
1da177e4 | 6946 | { |
fc016483 | 6947 | struct nfs4_setclientid_res *res = data; |
1da177e4 LT |
6948 | struct compound_hdr hdr; |
6949 | int status; | |
6950 | ||
bf269551 | 6951 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6952 | if (!status) |
bf269551 | 6953 | status = decode_setclientid(xdr, res); |
1da177e4 LT |
6954 | return status; |
6955 | } | |
6956 | ||
6957 | /* | |
8b173218 | 6958 | * Decode SETCLIENTID_CONFIRM response |
1da177e4 | 6959 | */ |
bf269551 | 6960 | static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst *req, |
fc016483 CH |
6961 | struct xdr_stream *xdr, |
6962 | void *data) | |
1da177e4 | 6963 | { |
1da177e4 LT |
6964 | struct compound_hdr hdr; |
6965 | int status; | |
6966 | ||
bf269551 | 6967 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6968 | if (!status) |
bf269551 | 6969 | status = decode_setclientid_confirm(xdr); |
1da177e4 LT |
6970 | return status; |
6971 | } | |
6972 | ||
6973 | /* | |
8b173218 | 6974 | * Decode DELEGRETURN response |
1da177e4 | 6975 | */ |
bf269551 CL |
6976 | static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, |
6977 | struct xdr_stream *xdr, | |
fc016483 | 6978 | void *data) |
1da177e4 | 6979 | { |
fc016483 | 6980 | struct nfs4_delegreturnres *res = data; |
1da177e4 LT |
6981 | struct compound_hdr hdr; |
6982 | int status; | |
6983 | ||
bf269551 | 6984 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6985 | if (status) |
6986 | goto out; | |
bf269551 | 6987 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6988 | if (status) |
fa178f29 | 6989 | goto out; |
bf269551 | 6990 | status = decode_putfh(xdr); |
fa178f29 TM |
6991 | if (status != 0) |
6992 | goto out; | |
586f1c39 TM |
6993 | if (res->lr_res) { |
6994 | status = decode_layoutreturn(xdr, res->lr_res); | |
6995 | res->lr_ret = status; | |
6996 | if (status) | |
6997 | goto out; | |
6998 | } | |
8ac2b422 TM |
6999 | if (res->fattr) { |
7000 | status = decode_getfattr(xdr, res->fattr, res->server); | |
7001 | if (status != 0) | |
7002 | goto out; | |
7003 | } | |
e144cbcc | 7004 | status = decode_delegreturn(xdr); |
fa178f29 | 7005 | out: |
1da177e4 LT |
7006 | return status; |
7007 | } | |
7008 | ||
683b57b4 | 7009 | /* |
8b173218 | 7010 | * Decode FS_LOCATIONS response |
683b57b4 | 7011 | */ |
bf269551 CL |
7012 | static int nfs4_xdr_dec_fs_locations(struct rpc_rqst *req, |
7013 | struct xdr_stream *xdr, | |
fc016483 | 7014 | void *data) |
683b57b4 | 7015 | { |
fc016483 | 7016 | struct nfs4_fs_locations_res *res = data; |
683b57b4 TM |
7017 | struct compound_hdr hdr; |
7018 | int status; | |
7019 | ||
bf269551 | 7020 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
7021 | if (status) |
7022 | goto out; | |
bf269551 | 7023 | status = decode_sequence(xdr, &res->seq_res, req); |
9b7b9fcc | 7024 | if (status) |
683b57b4 | 7025 | goto out; |
bf269551 CL |
7026 | status = decode_putfh(xdr); |
7027 | if (status) | |
683b57b4 | 7028 | goto out; |
b03d735b CL |
7029 | if (res->migration) { |
7030 | xdr_enter_page(xdr, PAGE_SIZE); | |
7031 | status = decode_getfattr_generic(xdr, | |
7032 | &res->fs_locations->fattr, | |
8b7e3f49 | 7033 | NULL, res->fs_locations, |
aa9c2669 | 7034 | NULL, res->fs_locations->server); |
b03d735b CL |
7035 | if (status) |
7036 | goto out; | |
7037 | if (res->renew) | |
7038 | status = decode_renew(xdr); | |
7039 | } else { | |
7040 | status = decode_lookup(xdr); | |
7041 | if (status) | |
7042 | goto out; | |
7043 | xdr_enter_page(xdr, PAGE_SIZE); | |
7044 | status = decode_getfattr_generic(xdr, | |
7045 | &res->fs_locations->fattr, | |
7046 | NULL, res->fs_locations, | |
7047 | NULL, res->fs_locations->server); | |
7048 | } | |
683b57b4 TM |
7049 | out: |
7050 | return status; | |
7051 | } | |
7052 | ||
5a5ea0d4 BS |
7053 | /* |
7054 | * Decode SECINFO response | |
7055 | */ | |
7056 | static int nfs4_xdr_dec_secinfo(struct rpc_rqst *rqstp, | |
7057 | struct xdr_stream *xdr, | |
fc016483 | 7058 | void *data) |
5a5ea0d4 | 7059 | { |
fc016483 | 7060 | struct nfs4_secinfo_res *res = data; |
5a5ea0d4 BS |
7061 | struct compound_hdr hdr; |
7062 | int status; | |
7063 | ||
7064 | status = decode_compound_hdr(xdr, &hdr); | |
7065 | if (status) | |
7066 | goto out; | |
7067 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7068 | if (status) | |
7069 | goto out; | |
7070 | status = decode_putfh(xdr); | |
7071 | if (status) | |
7072 | goto out; | |
7073 | status = decode_secinfo(xdr, res); | |
5a5ea0d4 BS |
7074 | out: |
7075 | return status; | |
7076 | } | |
7077 | ||
44c99933 CL |
7078 | /* |
7079 | * Decode FSID_PRESENT response | |
7080 | */ | |
7081 | static int nfs4_xdr_dec_fsid_present(struct rpc_rqst *rqstp, | |
7082 | struct xdr_stream *xdr, | |
fc016483 | 7083 | void *data) |
44c99933 | 7084 | { |
fc016483 | 7085 | struct nfs4_fsid_present_res *res = data; |
44c99933 CL |
7086 | struct compound_hdr hdr; |
7087 | int status; | |
7088 | ||
7089 | status = decode_compound_hdr(xdr, &hdr); | |
7090 | if (status) | |
7091 | goto out; | |
7092 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7093 | if (status) | |
7094 | goto out; | |
7095 | status = decode_putfh(xdr); | |
7096 | if (status) | |
7097 | goto out; | |
7098 | status = decode_getfh(xdr, res->fh); | |
7099 | if (status) | |
7100 | goto out; | |
7101 | if (res->renew) | |
7102 | status = decode_renew(xdr); | |
7103 | out: | |
7104 | return status; | |
7105 | } | |
7106 | ||
99fe60d0 | 7107 | #if defined(CONFIG_NFS_V4_1) |
7c44f1ae WAA |
7108 | /* |
7109 | * Decode BIND_CONN_TO_SESSION response | |
7110 | */ | |
7111 | static int nfs4_xdr_dec_bind_conn_to_session(struct rpc_rqst *rqstp, | |
7112 | struct xdr_stream *xdr, | |
7113 | void *res) | |
7114 | { | |
7115 | struct compound_hdr hdr; | |
7116 | int status; | |
7117 | ||
7118 | status = decode_compound_hdr(xdr, &hdr); | |
7119 | if (!status) | |
7120 | status = decode_bind_conn_to_session(xdr, res); | |
7121 | return status; | |
7122 | } | |
7123 | ||
99fe60d0 | 7124 | /* |
8b173218 | 7125 | * Decode EXCHANGE_ID response |
99fe60d0 | 7126 | */ |
bf269551 CL |
7127 | static int nfs4_xdr_dec_exchange_id(struct rpc_rqst *rqstp, |
7128 | struct xdr_stream *xdr, | |
99fe60d0 BH |
7129 | void *res) |
7130 | { | |
99fe60d0 BH |
7131 | struct compound_hdr hdr; |
7132 | int status; | |
7133 | ||
bf269551 | 7134 | status = decode_compound_hdr(xdr, &hdr); |
99fe60d0 | 7135 | if (!status) |
bf269551 | 7136 | status = decode_exchange_id(xdr, res); |
99fe60d0 BH |
7137 | return status; |
7138 | } | |
2050f0cc | 7139 | |
fc931582 | 7140 | /* |
8b173218 | 7141 | * Decode CREATE_SESSION response |
fc931582 | 7142 | */ |
bf269551 CL |
7143 | static int nfs4_xdr_dec_create_session(struct rpc_rqst *rqstp, |
7144 | struct xdr_stream *xdr, | |
fc016483 | 7145 | void *res) |
fc931582 | 7146 | { |
fc931582 AA |
7147 | struct compound_hdr hdr; |
7148 | int status; | |
7149 | ||
bf269551 | 7150 | status = decode_compound_hdr(xdr, &hdr); |
fc931582 | 7151 | if (!status) |
bf269551 | 7152 | status = decode_create_session(xdr, res); |
fc931582 AA |
7153 | return status; |
7154 | } | |
7155 | ||
0f3e66c6 | 7156 | /* |
8b173218 | 7157 | * Decode DESTROY_SESSION response |
0f3e66c6 | 7158 | */ |
bf269551 CL |
7159 | static int nfs4_xdr_dec_destroy_session(struct rpc_rqst *rqstp, |
7160 | struct xdr_stream *xdr, | |
7161 | void *res) | |
0f3e66c6 | 7162 | { |
0f3e66c6 AA |
7163 | struct compound_hdr hdr; |
7164 | int status; | |
7165 | ||
bf269551 | 7166 | status = decode_compound_hdr(xdr, &hdr); |
0f3e66c6 | 7167 | if (!status) |
bf269551 | 7168 | status = decode_destroy_session(xdr, res); |
0f3e66c6 AA |
7169 | return status; |
7170 | } | |
7171 | ||
66245539 TM |
7172 | /* |
7173 | * Decode DESTROY_CLIENTID response | |
7174 | */ | |
7175 | static int nfs4_xdr_dec_destroy_clientid(struct rpc_rqst *rqstp, | |
7176 | struct xdr_stream *xdr, | |
7177 | void *res) | |
7178 | { | |
7179 | struct compound_hdr hdr; | |
7180 | int status; | |
7181 | ||
7182 | status = decode_compound_hdr(xdr, &hdr); | |
7183 | if (!status) | |
7184 | status = decode_destroy_clientid(xdr, res); | |
7185 | return status; | |
7186 | } | |
7187 | ||
fc01cea9 | 7188 | /* |
8b173218 | 7189 | * Decode SEQUENCE response |
fc01cea9 | 7190 | */ |
bf269551 CL |
7191 | static int nfs4_xdr_dec_sequence(struct rpc_rqst *rqstp, |
7192 | struct xdr_stream *xdr, | |
fc016483 | 7193 | void *res) |
fc01cea9 | 7194 | { |
fc01cea9 AA |
7195 | struct compound_hdr hdr; |
7196 | int status; | |
7197 | ||
bf269551 | 7198 | status = decode_compound_hdr(xdr, &hdr); |
fc01cea9 | 7199 | if (!status) |
bf269551 | 7200 | status = decode_sequence(xdr, res, rqstp); |
fc01cea9 AA |
7201 | return status; |
7202 | } | |
7203 | ||
0efb01b2 DB |
7204 | #endif |
7205 | ||
2050f0cc | 7206 | /* |
8b173218 | 7207 | * Decode GET_LEASE_TIME response |
2050f0cc | 7208 | */ |
bf269551 CL |
7209 | static int nfs4_xdr_dec_get_lease_time(struct rpc_rqst *rqstp, |
7210 | struct xdr_stream *xdr, | |
fc016483 | 7211 | void *data) |
2050f0cc | 7212 | { |
fc016483 | 7213 | struct nfs4_get_lease_time_res *res = data; |
2050f0cc AA |
7214 | struct compound_hdr hdr; |
7215 | int status; | |
7216 | ||
bf269551 | 7217 | status = decode_compound_hdr(xdr, &hdr); |
2050f0cc | 7218 | if (!status) |
bf269551 | 7219 | status = decode_sequence(xdr, &res->lr_seq_res, rqstp); |
2050f0cc | 7220 | if (!status) |
bf269551 | 7221 | status = decode_putrootfh(xdr); |
2050f0cc | 7222 | if (!status) |
bf269551 | 7223 | status = decode_fsinfo(xdr, res->lr_fsinfo); |
2050f0cc AA |
7224 | return status; |
7225 | } | |
18019753 | 7226 | |
0efb01b2 DB |
7227 | #ifdef CONFIG_NFS_V4_1 |
7228 | ||
18019753 RL |
7229 | /* |
7230 | * Decode RECLAIM_COMPLETE response | |
7231 | */ | |
bf269551 CL |
7232 | static int nfs4_xdr_dec_reclaim_complete(struct rpc_rqst *rqstp, |
7233 | struct xdr_stream *xdr, | |
fc016483 | 7234 | void *data) |
18019753 | 7235 | { |
fc016483 | 7236 | struct nfs41_reclaim_complete_res *res = data; |
18019753 RL |
7237 | struct compound_hdr hdr; |
7238 | int status; | |
7239 | ||
bf269551 | 7240 | status = decode_compound_hdr(xdr, &hdr); |
18019753 | 7241 | if (!status) |
bf269551 | 7242 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
18019753 | 7243 | if (!status) |
8ee2b78a | 7244 | status = decode_reclaim_complete(xdr, NULL); |
18019753 RL |
7245 | return status; |
7246 | } | |
b1f69b75 AA |
7247 | |
7248 | /* | |
7249 | * Decode GETDEVINFO response | |
7250 | */ | |
bf269551 CL |
7251 | static int nfs4_xdr_dec_getdeviceinfo(struct rpc_rqst *rqstp, |
7252 | struct xdr_stream *xdr, | |
fc016483 | 7253 | void *data) |
b1f69b75 | 7254 | { |
fc016483 | 7255 | struct nfs4_getdeviceinfo_res *res = data; |
b1f69b75 AA |
7256 | struct compound_hdr hdr; |
7257 | int status; | |
7258 | ||
bf269551 | 7259 | status = decode_compound_hdr(xdr, &hdr); |
b1f69b75 AA |
7260 | if (status != 0) |
7261 | goto out; | |
bf269551 | 7262 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
b1f69b75 AA |
7263 | if (status != 0) |
7264 | goto out; | |
4e590803 | 7265 | status = decode_getdeviceinfo(xdr, res); |
b1f69b75 AA |
7266 | out: |
7267 | return status; | |
7268 | } | |
7269 | ||
7270 | /* | |
7271 | * Decode LAYOUTGET response | |
7272 | */ | |
bf269551 CL |
7273 | static int nfs4_xdr_dec_layoutget(struct rpc_rqst *rqstp, |
7274 | struct xdr_stream *xdr, | |
fc016483 | 7275 | void *data) |
b1f69b75 | 7276 | { |
fc016483 | 7277 | struct nfs4_layoutget_res *res = data; |
b1f69b75 AA |
7278 | struct compound_hdr hdr; |
7279 | int status; | |
7280 | ||
bf269551 | 7281 | status = decode_compound_hdr(xdr, &hdr); |
b1f69b75 AA |
7282 | if (status) |
7283 | goto out; | |
bf269551 | 7284 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
b1f69b75 AA |
7285 | if (status) |
7286 | goto out; | |
bf269551 | 7287 | status = decode_putfh(xdr); |
b1f69b75 AA |
7288 | if (status) |
7289 | goto out; | |
bf269551 | 7290 | status = decode_layoutget(xdr, rqstp, res); |
b1f69b75 AA |
7291 | out: |
7292 | return status; | |
7293 | } | |
863a3c6c | 7294 | |
cbe82603 BH |
7295 | /* |
7296 | * Decode LAYOUTRETURN response | |
7297 | */ | |
7298 | static int nfs4_xdr_dec_layoutreturn(struct rpc_rqst *rqstp, | |
7299 | struct xdr_stream *xdr, | |
fc016483 | 7300 | void *data) |
cbe82603 | 7301 | { |
fc016483 | 7302 | struct nfs4_layoutreturn_res *res = data; |
cbe82603 BH |
7303 | struct compound_hdr hdr; |
7304 | int status; | |
7305 | ||
7306 | status = decode_compound_hdr(xdr, &hdr); | |
7307 | if (status) | |
7308 | goto out; | |
7309 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7310 | if (status) | |
7311 | goto out; | |
7312 | status = decode_putfh(xdr); | |
7313 | if (status) | |
7314 | goto out; | |
7315 | status = decode_layoutreturn(xdr, res); | |
7316 | out: | |
7317 | return status; | |
7318 | } | |
7319 | ||
863a3c6c AA |
7320 | /* |
7321 | * Decode LAYOUTCOMMIT response | |
7322 | */ | |
7323 | static int nfs4_xdr_dec_layoutcommit(struct rpc_rqst *rqstp, | |
7324 | struct xdr_stream *xdr, | |
fc016483 | 7325 | void *data) |
863a3c6c | 7326 | { |
fc016483 | 7327 | struct nfs4_layoutcommit_res *res = data; |
863a3c6c AA |
7328 | struct compound_hdr hdr; |
7329 | int status; | |
7330 | ||
7331 | status = decode_compound_hdr(xdr, &hdr); | |
7332 | if (status) | |
7333 | goto out; | |
7334 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7335 | if (status) | |
7336 | goto out; | |
7337 | status = decode_putfh(xdr); | |
7338 | if (status) | |
7339 | goto out; | |
7340 | status = decode_layoutcommit(xdr, rqstp, res); | |
7341 | if (status) | |
7342 | goto out; | |
6926afd1 | 7343 | decode_getfattr(xdr, res->fattr, res->server); |
863a3c6c AA |
7344 | out: |
7345 | return status; | |
7346 | } | |
fca78d6d BS |
7347 | |
7348 | /* | |
7349 | * Decode SECINFO_NO_NAME response | |
7350 | */ | |
7351 | static int nfs4_xdr_dec_secinfo_no_name(struct rpc_rqst *rqstp, | |
7352 | struct xdr_stream *xdr, | |
fc016483 | 7353 | void *data) |
fca78d6d | 7354 | { |
fc016483 | 7355 | struct nfs4_secinfo_res *res = data; |
fca78d6d BS |
7356 | struct compound_hdr hdr; |
7357 | int status; | |
7358 | ||
7359 | status = decode_compound_hdr(xdr, &hdr); | |
7360 | if (status) | |
7361 | goto out; | |
7362 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7363 | if (status) | |
7364 | goto out; | |
7365 | status = decode_putrootfh(xdr); | |
7366 | if (status) | |
7367 | goto out; | |
31e4dda4 | 7368 | status = decode_secinfo_no_name(xdr, res); |
fca78d6d BS |
7369 | out: |
7370 | return status; | |
7371 | } | |
7d974794 BS |
7372 | |
7373 | /* | |
7374 | * Decode TEST_STATEID response | |
7375 | */ | |
7376 | static int nfs4_xdr_dec_test_stateid(struct rpc_rqst *rqstp, | |
7377 | struct xdr_stream *xdr, | |
fc016483 | 7378 | void *data) |
7d974794 | 7379 | { |
fc016483 | 7380 | struct nfs41_test_stateid_res *res = data; |
7d974794 BS |
7381 | struct compound_hdr hdr; |
7382 | int status; | |
7383 | ||
7384 | status = decode_compound_hdr(xdr, &hdr); | |
7385 | if (status) | |
7386 | goto out; | |
7387 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7388 | if (status) | |
7389 | goto out; | |
7390 | status = decode_test_stateid(xdr, res); | |
7391 | out: | |
7392 | return status; | |
7393 | } | |
9aeda35f BS |
7394 | |
7395 | /* | |
7396 | * Decode FREE_STATEID response | |
7397 | */ | |
7398 | static int nfs4_xdr_dec_free_stateid(struct rpc_rqst *rqstp, | |
7399 | struct xdr_stream *xdr, | |
fc016483 | 7400 | void *data) |
9aeda35f | 7401 | { |
fc016483 | 7402 | struct nfs41_free_stateid_res *res = data; |
9aeda35f BS |
7403 | struct compound_hdr hdr; |
7404 | int status; | |
7405 | ||
7406 | status = decode_compound_hdr(xdr, &hdr); | |
7407 | if (status) | |
7408 | goto out; | |
7409 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7410 | if (status) | |
7411 | goto out; | |
7412 | status = decode_free_stateid(xdr, res); | |
7413 | out: | |
7414 | return status; | |
7415 | } | |
99fe60d0 BH |
7416 | #endif /* CONFIG_NFS_V4_1 */ |
7417 | ||
573c4e1e CL |
7418 | /** |
7419 | * nfs4_decode_dirent - Decode a single NFSv4 directory entry stored in | |
7420 | * the local page cache. | |
7421 | * @xdr: XDR stream where entry resides | |
7422 | * @entry: buffer to fill in with entry data | |
7423 | * @plus: boolean indicating whether this should be a readdirplus entry | |
7424 | * | |
7425 | * Returns zero if successful, otherwise a negative errno value is | |
7426 | * returned. | |
7427 | * | |
7428 | * This function is not invoked during READDIR reply decoding, but | |
7429 | * rather whenever an application invokes the getdents(2) system call | |
7430 | * on a directory already in our cache. | |
7431 | */ | |
7432 | int nfs4_decode_dirent(struct xdr_stream *xdr, struct nfs_entry *entry, | |
a7a3b1e9 | 7433 | bool plus) |
1da177e4 | 7434 | { |
256e48bb | 7435 | unsigned int savep; |
dae100c2 | 7436 | uint32_t bitmap[3] = {0}; |
1da177e4 | 7437 | uint32_t len; |
98de9ce6 | 7438 | uint64_t new_cookie; |
babddc72 BS |
7439 | __be32 *p = xdr_inline_decode(xdr, 4); |
7440 | if (unlikely(!p)) | |
eb72f484 | 7441 | return -EAGAIN; |
c08e76d0 | 7442 | if (*p == xdr_zero) { |
babddc72 BS |
7443 | p = xdr_inline_decode(xdr, 4); |
7444 | if (unlikely(!p)) | |
eb72f484 | 7445 | return -EAGAIN; |
c08e76d0 | 7446 | if (*p == xdr_zero) |
573c4e1e | 7447 | return -EAGAIN; |
1da177e4 | 7448 | entry->eof = 1; |
573c4e1e | 7449 | return -EBADCOOKIE; |
1da177e4 LT |
7450 | } |
7451 | ||
babddc72 BS |
7452 | p = xdr_inline_decode(xdr, 12); |
7453 | if (unlikely(!p)) | |
eb72f484 | 7454 | return -EAGAIN; |
98de9ce6 | 7455 | p = xdr_decode_hyper(p, &new_cookie); |
c08e76d0 | 7456 | entry->len = be32_to_cpup(p); |
babddc72 | 7457 | |
9af8c222 | 7458 | p = xdr_inline_decode(xdr, entry->len); |
babddc72 | 7459 | if (unlikely(!p)) |
eb72f484 | 7460 | return -EAGAIN; |
1da177e4 | 7461 | entry->name = (const char *) p; |
1da177e4 LT |
7462 | |
7463 | /* | |
7464 | * In case the server doesn't return an inode number, | |
7465 | * we fake one here. (We don't use inode number 0, | |
7466 | * since glibc seems to choke on it...) | |
7467 | */ | |
7468 | entry->ino = 1; | |
4f082222 | 7469 | entry->fattr->valid = 0; |
1da177e4 | 7470 | |
9af8c222 | 7471 | if (decode_attr_bitmap(xdr, bitmap) < 0) |
eb72f484 | 7472 | return -EAGAIN; |
9af8c222 | 7473 | |
256e48bb | 7474 | if (decode_attr_length(xdr, &len, &savep) < 0) |
eb72f484 | 7475 | return -EAGAIN; |
9af8c222 | 7476 | |
573c4e1e | 7477 | if (decode_getfattr_attrs(xdr, bitmap, entry->fattr, entry->fh, |
aa9c2669 | 7478 | NULL, entry->label, entry->server) < 0) |
eb72f484 | 7479 | return -EAGAIN; |
28331a46 TM |
7480 | if (entry->fattr->valid & NFS_ATTR_FATTR_MOUNTED_ON_FILEID) |
7481 | entry->ino = entry->fattr->mounted_on_fileid; | |
7482 | else if (entry->fattr->valid & NFS_ATTR_FATTR_FILEID) | |
9af8c222 TM |
7483 | entry->ino = entry->fattr->fileid; |
7484 | ||
0b26a0bf TM |
7485 | entry->d_type = DT_UNKNOWN; |
7486 | if (entry->fattr->valid & NFS_ATTR_FATTR_TYPE) | |
7487 | entry->d_type = nfs_umode_to_dtype(entry->fattr->mode); | |
7488 | ||
98de9ce6 FS |
7489 | entry->prev_cookie = entry->cookie; |
7490 | entry->cookie = new_cookie; | |
7491 | ||
573c4e1e | 7492 | return 0; |
1da177e4 LT |
7493 | } |
7494 | ||
7495 | /* | |
7496 | * We need to translate between nfs status return values and | |
7497 | * the local errno values which may not be the same. | |
7498 | */ | |
7499 | static struct { | |
7500 | int stat; | |
7501 | int errno; | |
7502 | } nfs_errtbl[] = { | |
7503 | { NFS4_OK, 0 }, | |
856dff3d BH |
7504 | { NFS4ERR_PERM, -EPERM }, |
7505 | { NFS4ERR_NOENT, -ENOENT }, | |
7506 | { NFS4ERR_IO, -errno_NFSERR_IO}, | |
7507 | { NFS4ERR_NXIO, -ENXIO }, | |
7508 | { NFS4ERR_ACCESS, -EACCES }, | |
7509 | { NFS4ERR_EXIST, -EEXIST }, | |
7510 | { NFS4ERR_XDEV, -EXDEV }, | |
7511 | { NFS4ERR_NOTDIR, -ENOTDIR }, | |
7512 | { NFS4ERR_ISDIR, -EISDIR }, | |
7513 | { NFS4ERR_INVAL, -EINVAL }, | |
7514 | { NFS4ERR_FBIG, -EFBIG }, | |
7515 | { NFS4ERR_NOSPC, -ENOSPC }, | |
7516 | { NFS4ERR_ROFS, -EROFS }, | |
7517 | { NFS4ERR_MLINK, -EMLINK }, | |
7518 | { NFS4ERR_NAMETOOLONG, -ENAMETOOLONG }, | |
7519 | { NFS4ERR_NOTEMPTY, -ENOTEMPTY }, | |
7520 | { NFS4ERR_DQUOT, -EDQUOT }, | |
7521 | { NFS4ERR_STALE, -ESTALE }, | |
7522 | { NFS4ERR_BADHANDLE, -EBADHANDLE }, | |
856dff3d BH |
7523 | { NFS4ERR_BAD_COOKIE, -EBADCOOKIE }, |
7524 | { NFS4ERR_NOTSUPP, -ENOTSUPP }, | |
7525 | { NFS4ERR_TOOSMALL, -ETOOSMALL }, | |
fdcb4577 | 7526 | { NFS4ERR_SERVERFAULT, -EREMOTEIO }, |
856dff3d BH |
7527 | { NFS4ERR_BADTYPE, -EBADTYPE }, |
7528 | { NFS4ERR_LOCKED, -EAGAIN }, | |
856dff3d BH |
7529 | { NFS4ERR_SYMLINK, -ELOOP }, |
7530 | { NFS4ERR_OP_ILLEGAL, -EOPNOTSUPP }, | |
7531 | { NFS4ERR_DEADLOCK, -EDEADLK }, | |
3e1f0212 FL |
7532 | { NFS4ERR_NOXATTR, -ENODATA }, |
7533 | { NFS4ERR_XATTR2BIG, -E2BIG }, | |
856dff3d | 7534 | { -1, -EIO } |
1da177e4 LT |
7535 | }; |
7536 | ||
7537 | /* | |
7538 | * Convert an NFS error code to a local one. | |
7539 | * This one is used jointly by NFSv2 and NFSv3. | |
7540 | */ | |
7541 | static int | |
0a8ea437 | 7542 | nfs4_stat_to_errno(int stat) |
1da177e4 LT |
7543 | { |
7544 | int i; | |
7545 | for (i = 0; nfs_errtbl[i].stat != -1; i++) { | |
7546 | if (nfs_errtbl[i].stat == stat) | |
7547 | return nfs_errtbl[i].errno; | |
7548 | } | |
7549 | if (stat <= 10000 || stat > 10100) { | |
7550 | /* The server is looney tunes. */ | |
fdcb4577 | 7551 | return -EREMOTEIO; |
1da177e4 LT |
7552 | } |
7553 | /* If we cannot translate the error, the recovery routines should | |
7554 | * handle it. | |
7555 | * Note: remaining NFSv4 error codes have values > 10000, so should | |
7556 | * not conflict with native Linux error codes. | |
7557 | */ | |
856dff3d | 7558 | return -stat; |
1da177e4 LT |
7559 | } |
7560 | ||
1c6dcbe5 AS |
7561 | #ifdef CONFIG_NFS_V4_2 |
7562 | #include "nfs42xdr.c" | |
7563 | #endif /* CONFIG_NFS_V4_2 */ | |
7564 | ||
1da177e4 LT |
7565 | #define PROC(proc, argtype, restype) \ |
7566 | [NFSPROC4_CLNT_##proc] = { \ | |
7567 | .p_proc = NFSPROC4_COMPOUND, \ | |
fcc85819 | 7568 | .p_encode = nfs4_xdr_##argtype, \ |
fc016483 | 7569 | .p_decode = nfs4_xdr_##restype, \ |
2bea90d4 CL |
7570 | .p_arglen = NFS4_##argtype##_sz, \ |
7571 | .p_replen = NFS4_##restype##_sz, \ | |
cc0175c1 CL |
7572 | .p_statidx = NFSPROC4_CLNT_##proc, \ |
7573 | .p_name = #proc, \ | |
05d564fe | 7574 | } |
1da177e4 | 7575 | |
7c61f0d3 AS |
7576 | #define STUB(proc) \ |
7577 | [NFSPROC4_CLNT_##proc] = { \ | |
7578 | .p_name = #proc, \ | |
7579 | } | |
7580 | ||
8634ef5e TM |
7581 | #if defined(CONFIG_NFS_V4_1) |
7582 | #define PROC41(proc, argtype, restype) \ | |
7583 | PROC(proc, argtype, restype) | |
7584 | #else | |
7585 | #define PROC41(proc, argtype, restype) \ | |
7586 | STUB(proc) | |
7587 | #endif | |
7588 | ||
7589 | #if defined(CONFIG_NFS_V4_2) | |
7590 | #define PROC42(proc, argtype, restype) \ | |
7591 | PROC(proc, argtype, restype) | |
7592 | #else | |
7593 | #define PROC42(proc, argtype, restype) \ | |
7594 | STUB(proc) | |
7595 | #endif | |
7596 | ||
511e936b | 7597 | const struct rpc_procinfo nfs4_procedures[] = { |
7d93bd71 CL |
7598 | PROC(READ, enc_read, dec_read), |
7599 | PROC(WRITE, enc_write, dec_write), | |
7600 | PROC(COMMIT, enc_commit, dec_commit), | |
7601 | PROC(OPEN, enc_open, dec_open), | |
7602 | PROC(OPEN_CONFIRM, enc_open_confirm, dec_open_confirm), | |
7603 | PROC(OPEN_NOATTR, enc_open_noattr, dec_open_noattr), | |
7604 | PROC(OPEN_DOWNGRADE, enc_open_downgrade, dec_open_downgrade), | |
7605 | PROC(CLOSE, enc_close, dec_close), | |
7606 | PROC(SETATTR, enc_setattr, dec_setattr), | |
7607 | PROC(FSINFO, enc_fsinfo, dec_fsinfo), | |
7608 | PROC(RENEW, enc_renew, dec_renew), | |
7609 | PROC(SETCLIENTID, enc_setclientid, dec_setclientid), | |
7610 | PROC(SETCLIENTID_CONFIRM, enc_setclientid_confirm, dec_setclientid_confirm), | |
7611 | PROC(LOCK, enc_lock, dec_lock), | |
7612 | PROC(LOCKT, enc_lockt, dec_lockt), | |
7613 | PROC(LOCKU, enc_locku, dec_locku), | |
7614 | PROC(ACCESS, enc_access, dec_access), | |
7615 | PROC(GETATTR, enc_getattr, dec_getattr), | |
7616 | PROC(LOOKUP, enc_lookup, dec_lookup), | |
7617 | PROC(LOOKUP_ROOT, enc_lookup_root, dec_lookup_root), | |
7618 | PROC(REMOVE, enc_remove, dec_remove), | |
7619 | PROC(RENAME, enc_rename, dec_rename), | |
7620 | PROC(LINK, enc_link, dec_link), | |
7621 | PROC(SYMLINK, enc_symlink, dec_symlink), | |
7622 | PROC(CREATE, enc_create, dec_create), | |
7623 | PROC(PATHCONF, enc_pathconf, dec_pathconf), | |
7624 | PROC(STATFS, enc_statfs, dec_statfs), | |
7625 | PROC(READLINK, enc_readlink, dec_readlink), | |
7626 | PROC(READDIR, enc_readdir, dec_readdir), | |
7627 | PROC(SERVER_CAPS, enc_server_caps, dec_server_caps), | |
7628 | PROC(DELEGRETURN, enc_delegreturn, dec_delegreturn), | |
7629 | PROC(GETACL, enc_getacl, dec_getacl), | |
7630 | PROC(SETACL, enc_setacl, dec_setacl), | |
7631 | PROC(FS_LOCATIONS, enc_fs_locations, dec_fs_locations), | |
7632 | PROC(RELEASE_LOCKOWNER, enc_release_lockowner, dec_release_lockowner), | |
5a5ea0d4 | 7633 | PROC(SECINFO, enc_secinfo, dec_secinfo), |
44c99933 | 7634 | PROC(FSID_PRESENT, enc_fsid_present, dec_fsid_present), |
8634ef5e TM |
7635 | PROC41(EXCHANGE_ID, enc_exchange_id, dec_exchange_id), |
7636 | PROC41(CREATE_SESSION, enc_create_session, dec_create_session), | |
7637 | PROC41(DESTROY_SESSION, enc_destroy_session, dec_destroy_session), | |
7638 | PROC41(SEQUENCE, enc_sequence, dec_sequence), | |
0efb01b2 | 7639 | PROC(GET_LEASE_TIME, enc_get_lease_time, dec_get_lease_time), |
8634ef5e TM |
7640 | PROC41(RECLAIM_COMPLETE,enc_reclaim_complete, dec_reclaim_complete), |
7641 | PROC41(GETDEVICEINFO, enc_getdeviceinfo, dec_getdeviceinfo), | |
7642 | PROC41(LAYOUTGET, enc_layoutget, dec_layoutget), | |
7643 | PROC41(LAYOUTCOMMIT, enc_layoutcommit, dec_layoutcommit), | |
7644 | PROC41(LAYOUTRETURN, enc_layoutreturn, dec_layoutreturn), | |
7645 | PROC41(SECINFO_NO_NAME, enc_secinfo_no_name, dec_secinfo_no_name), | |
7646 | PROC41(TEST_STATEID, enc_test_stateid, dec_test_stateid), | |
7647 | PROC41(FREE_STATEID, enc_free_stateid, dec_free_stateid), | |
7c61f0d3 | 7648 | STUB(GETDEVICELIST), |
8634ef5e | 7649 | PROC41(BIND_CONN_TO_SESSION, |
ad24ecfb | 7650 | enc_bind_conn_to_session, dec_bind_conn_to_session), |
8634ef5e TM |
7651 | PROC41(DESTROY_CLIENTID,enc_destroy_clientid, dec_destroy_clientid), |
7652 | PROC42(SEEK, enc_seek, dec_seek), | |
7653 | PROC42(ALLOCATE, enc_allocate, dec_allocate), | |
7654 | PROC42(DEALLOCATE, enc_deallocate, dec_deallocate), | |
7655 | PROC42(LAYOUTSTATS, enc_layoutstats, dec_layoutstats), | |
7656 | PROC42(CLONE, enc_clone, dec_clone), | |
7657 | PROC42(COPY, enc_copy, dec_copy), | |
cb95deea | 7658 | PROC42(OFFLOAD_CANCEL, enc_offload_cancel, dec_offload_cancel), |
0491567b | 7659 | PROC42(COPY_NOTIFY, enc_copy_notify, dec_copy_notify), |
8634ef5e | 7660 | PROC(LOOKUPP, enc_lookupp, dec_lookupp), |
3eb86093 | 7661 | PROC42(LAYOUTERROR, enc_layouterror, dec_layouterror), |
3e1f0212 FL |
7662 | PROC42(GETXATTR, enc_getxattr, dec_getxattr), |
7663 | PROC42(SETXATTR, enc_setxattr, dec_setxattr), | |
7664 | PROC42(LISTXATTRS, enc_listxattrs, dec_listxattrs), | |
7665 | PROC42(REMOVEXATTR, enc_removexattr, dec_removexattr), | |
c5675526 | 7666 | PROC42(READ_PLUS, enc_read_plus, dec_read_plus), |
1da177e4 LT |
7667 | }; |
7668 | ||
c551858a | 7669 | static unsigned int nfs_version4_counts[ARRAY_SIZE(nfs4_procedures)]; |
a613fa16 | 7670 | const struct rpc_version nfs_version4 = { |
1da177e4 | 7671 | .number = 4, |
e8c96f8c | 7672 | .nrprocs = ARRAY_SIZE(nfs4_procedures), |
c551858a CH |
7673 | .procs = nfs4_procedures, |
7674 | .counts = nfs_version4_counts, | |
1da177e4 | 7675 | }; |