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