Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * fs/nfs/nfs4xdr.c | |
3 | * | |
4 | * Client-side XDR for NFSv4. | |
5 | * | |
6 | * Copyright (c) 2002 The Regents of the University of Michigan. | |
7 | * All rights reserved. | |
8 | * | |
9 | * Kendrick Smith <kmsmith@umich.edu> | |
10 | * Andy Adamson <andros@umich.edu> | |
6c0195a4 | 11 | * |
1da177e4 LT |
12 | * Redistribution and use in source and binary forms, with or without |
13 | * modification, are permitted provided that the following conditions | |
14 | * are met: | |
15 | * | |
16 | * 1. Redistributions of source code must retain the above copyright | |
17 | * notice, this list of conditions and the following disclaimer. | |
18 | * 2. Redistributions in binary form must reproduce the above copyright | |
19 | * notice, this list of conditions and the following disclaimer in the | |
20 | * documentation and/or other materials provided with the distribution. | |
21 | * 3. Neither the name of the University nor the names of its | |
22 | * contributors may be used to endorse or promote products derived | |
23 | * from this software without specific prior written permission. | |
24 | * | |
25 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED | |
26 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
27 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
28 | * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
29 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
30 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
31 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR | |
32 | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | |
33 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
34 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
35 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
36 | */ | |
37 | ||
38 | #include <linux/param.h> | |
39 | #include <linux/time.h> | |
40 | #include <linux/mm.h> | |
1da177e4 LT |
41 | #include <linux/errno.h> |
42 | #include <linux/string.h> | |
43 | #include <linux/in.h> | |
44 | #include <linux/pagemap.h> | |
45 | #include <linux/proc_fs.h> | |
46 | #include <linux/kdev_t.h> | |
db8ac8ba WAA |
47 | #include <linux/module.h> |
48 | #include <linux/utsname.h> | |
1da177e4 | 49 | #include <linux/sunrpc/clnt.h> |
2449ea2e | 50 | #include <linux/sunrpc/msg_prot.h> |
5a5ea0d4 | 51 | #include <linux/sunrpc/gss_api.h> |
1da177e4 LT |
52 | #include <linux/nfs.h> |
53 | #include <linux/nfs4.h> | |
54 | #include <linux/nfs_fs.h> | |
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 | */ |
95b72eb0 | 87 | #define open_owner_id_maxsz (1 + 2 + 1 + 1 + 2) |
d035c36c | 88 | #define lock_owner_id_maxsz (1 + 1 + 4) |
9104a55d | 89 | #define decode_lockowner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) |
1da177e4 LT |
90 | #define compound_encode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2)) |
91 | #define compound_decode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2)) | |
92 | #define op_encode_hdr_maxsz (1) | |
93 | #define op_decode_hdr_maxsz (2) | |
9104a55d TM |
94 | #define encode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE)) |
95 | #define decode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE)) | |
96 | #define encode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE)) | |
97 | #define decode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE)) | |
1da177e4 LT |
98 | #define encode_putfh_maxsz (op_encode_hdr_maxsz + 1 + \ |
99 | (NFS4_FHSIZE >> 2)) | |
100 | #define decode_putfh_maxsz (op_decode_hdr_maxsz) | |
101 | #define encode_putrootfh_maxsz (op_encode_hdr_maxsz) | |
102 | #define decode_putrootfh_maxsz (op_decode_hdr_maxsz) | |
103 | #define encode_getfh_maxsz (op_encode_hdr_maxsz) | |
104 | #define decode_getfh_maxsz (op_decode_hdr_maxsz + 1 + \ | |
105 | ((3+NFS4_FHSIZE) >> 2)) | |
e5012d1f | 106 | #define nfs4_fattr_bitmap_maxsz 4 |
96928206 | 107 | #define encode_getattr_maxsz (op_encode_hdr_maxsz + nfs4_fattr_bitmap_maxsz) |
36b3743f | 108 | #define nfstime4_maxsz (3) |
1da177e4 LT |
109 | #define nfs4_name_maxsz (1 + ((3 + NFS4_MAXNAMLEN) >> 2)) |
110 | #define nfs4_path_maxsz (1 + ((3 + NFS4_MAXPATHLEN) >> 2)) | |
bd625ba8 TM |
111 | #define nfs4_owner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) |
112 | #define nfs4_group_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) | |
aa9c2669 DQ |
113 | #ifdef CONFIG_NFS_V4_SECURITY_LABEL |
114 | /* PI(4 bytes) + LFS(4 bytes) + 1(for null terminator?) + MAXLABELLEN */ | |
115 | #define nfs4_label_maxsz (4 + 4 + 1 + XDR_QUADLEN(NFS4_MAXLABELLEN)) | |
aa9c2669 DQ |
116 | #else |
117 | #define nfs4_label_maxsz 0 | |
aa9c2669 | 118 | #endif |
88034c3d AA |
119 | /* We support only one layout type per file system */ |
120 | #define decode_mdsthreshold_maxsz (1 + 1 + nfs4_fattr_bitmap_maxsz + 1 + 8) | |
96928206 BF |
121 | /* This is based on getfattr, which uses the most attributes: */ |
122 | #define nfs4_fattr_value_maxsz (1 + (1 + 2 + 2 + 4 + 2 + 1 + 1 + 2 + 2 + \ | |
36b3743f TM |
123 | 3*nfstime4_maxsz + \ |
124 | nfs4_owner_maxsz + \ | |
aa9c2669 DQ |
125 | nfs4_group_maxsz + nfs4_label_maxsz + \ |
126 | decode_mdsthreshold_maxsz)) | |
96928206 BF |
127 | #define nfs4_fattr_maxsz (nfs4_fattr_bitmap_maxsz + \ |
128 | nfs4_fattr_value_maxsz) | |
129 | #define decode_getattr_maxsz (op_decode_hdr_maxsz + nfs4_fattr_maxsz) | |
9104a55d TM |
130 | #define encode_attrs_maxsz (nfs4_fattr_bitmap_maxsz + \ |
131 | 1 + 2 + 1 + \ | |
132 | nfs4_owner_maxsz + \ | |
133 | nfs4_group_maxsz + \ | |
aa9c2669 | 134 | nfs4_label_maxsz + \ |
36b3743f TM |
135 | 1 + nfstime4_maxsz + \ |
136 | 1 + nfstime4_maxsz) | |
1da177e4 LT |
137 | #define encode_savefh_maxsz (op_encode_hdr_maxsz) |
138 | #define decode_savefh_maxsz (op_decode_hdr_maxsz) | |
56ae19f3 TM |
139 | #define encode_restorefh_maxsz (op_encode_hdr_maxsz) |
140 | #define decode_restorefh_maxsz (op_decode_hdr_maxsz) | |
2f42b5d0 | 141 | #define encode_fsinfo_maxsz (encode_getattr_maxsz) |
dae100c2 FI |
142 | /* The 5 accounts for the PNFS attributes, and assumes that at most three |
143 | * layout types will be returned. | |
144 | */ | |
145 | #define decode_fsinfo_maxsz (op_decode_hdr_maxsz + \ | |
146 | nfs4_fattr_bitmap_maxsz + 4 + 8 + 5) | |
1da177e4 LT |
147 | #define encode_renew_maxsz (op_encode_hdr_maxsz + 3) |
148 | #define decode_renew_maxsz (op_decode_hdr_maxsz) | |
149 | #define encode_setclientid_maxsz \ | |
150 | (op_encode_hdr_maxsz + \ | |
cc38bac3 | 151 | XDR_QUADLEN(NFS4_VERIFIER_SIZE) + \ |
b8fb2f59 JL |
152 | /* client name */ \ |
153 | 1 + XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
cc38bac3 | 154 | 1 /* sc_prog */ + \ |
6dd3436b CL |
155 | 1 + XDR_QUADLEN(RPCBIND_MAXNETIDLEN) + \ |
156 | 1 + XDR_QUADLEN(RPCBIND_MAXUADDRLEN) + \ | |
cc38bac3 | 157 | 1) /* sc_cb_ident */ |
1da177e4 LT |
158 | #define decode_setclientid_maxsz \ |
159 | (op_decode_hdr_maxsz + \ | |
6dd3436b CL |
160 | 2 /* clientid */ + \ |
161 | XDR_QUADLEN(NFS4_VERIFIER_SIZE) + \ | |
162 | 1 + XDR_QUADLEN(RPCBIND_MAXNETIDLEN) + \ | |
163 | 1 + XDR_QUADLEN(RPCBIND_MAXUADDRLEN)) | |
1da177e4 LT |
164 | #define encode_setclientid_confirm_maxsz \ |
165 | (op_encode_hdr_maxsz + \ | |
166 | 3 + (NFS4_VERIFIER_SIZE >> 2)) | |
167 | #define decode_setclientid_confirm_maxsz \ | |
168 | (op_decode_hdr_maxsz) | |
e6889620 TM |
169 | #define encode_lookup_maxsz (op_encode_hdr_maxsz + nfs4_name_maxsz) |
170 | #define decode_lookup_maxsz (op_decode_hdr_maxsz) | |
5b5faaf6 JL |
171 | #define encode_lookupp_maxsz (op_encode_hdr_maxsz) |
172 | #define decode_lookupp_maxsz (op_decode_hdr_maxsz) | |
2cebf828 TM |
173 | #define encode_share_access_maxsz \ |
174 | (2) | |
4882ef72 | 175 | #define encode_createmode_maxsz (1 + encode_attrs_maxsz + encode_verifier_maxsz) |
2cebf828 TM |
176 | #define encode_opentype_maxsz (1 + encode_createmode_maxsz) |
177 | #define encode_claim_null_maxsz (1 + nfs4_name_maxsz) | |
178 | #define encode_open_maxsz (op_encode_hdr_maxsz + \ | |
179 | 2 + encode_share_access_maxsz + 2 + \ | |
180 | open_owner_id_maxsz + \ | |
181 | encode_opentype_maxsz + \ | |
182 | encode_claim_null_maxsz) | |
5a1f6d9e | 183 | #define decode_space_limit_maxsz (3) |
2cebf828 | 184 | #define decode_ace_maxsz (3 + nfs4_owner_maxsz) |
9104a55d | 185 | #define decode_delegation_maxsz (1 + decode_stateid_maxsz + 1 + \ |
5a1f6d9e | 186 | decode_space_limit_maxsz + \ |
2cebf828 TM |
187 | decode_ace_maxsz) |
188 | #define decode_change_info_maxsz (5) | |
189 | #define decode_open_maxsz (op_decode_hdr_maxsz + \ | |
9104a55d | 190 | decode_stateid_maxsz + \ |
2cebf828 TM |
191 | decode_change_info_maxsz + 1 + \ |
192 | nfs4_fattr_bitmap_maxsz + \ | |
193 | decode_delegation_maxsz) | |
9104a55d TM |
194 | #define encode_open_confirm_maxsz \ |
195 | (op_encode_hdr_maxsz + \ | |
196 | encode_stateid_maxsz + 1) | |
197 | #define decode_open_confirm_maxsz \ | |
198 | (op_decode_hdr_maxsz + \ | |
199 | decode_stateid_maxsz) | |
200 | #define encode_open_downgrade_maxsz \ | |
201 | (op_encode_hdr_maxsz + \ | |
202 | encode_stateid_maxsz + 1 + \ | |
203 | encode_share_access_maxsz) | |
204 | #define decode_open_downgrade_maxsz \ | |
205 | (op_decode_hdr_maxsz + \ | |
206 | decode_stateid_maxsz) | |
207 | #define encode_close_maxsz (op_encode_hdr_maxsz + \ | |
208 | 1 + encode_stateid_maxsz) | |
209 | #define decode_close_maxsz (op_decode_hdr_maxsz + \ | |
210 | decode_stateid_maxsz) | |
211 | #define encode_setattr_maxsz (op_encode_hdr_maxsz + \ | |
212 | encode_stateid_maxsz + \ | |
213 | encode_attrs_maxsz) | |
214 | #define decode_setattr_maxsz (op_decode_hdr_maxsz + \ | |
215 | nfs4_fattr_bitmap_maxsz) | |
216 | #define encode_read_maxsz (op_encode_hdr_maxsz + \ | |
217 | encode_stateid_maxsz + 3) | |
02ef04e4 | 218 | #define decode_read_maxsz (op_decode_hdr_maxsz + 2 + 1) |
9104a55d | 219 | #define encode_readdir_maxsz (op_encode_hdr_maxsz + \ |
aa9c2669 DQ |
220 | 2 + encode_verifier_maxsz + 5 + \ |
221 | nfs4_label_maxsz) | |
9104a55d | 222 | #define decode_readdir_maxsz (op_decode_hdr_maxsz + \ |
02ef04e4 | 223 | decode_verifier_maxsz + 1) |
9104a55d | 224 | #define encode_readlink_maxsz (op_encode_hdr_maxsz) |
02ef04e4 | 225 | #define decode_readlink_maxsz (op_decode_hdr_maxsz + 1 + 1) |
9104a55d TM |
226 | #define encode_write_maxsz (op_encode_hdr_maxsz + \ |
227 | encode_stateid_maxsz + 4) | |
228 | #define decode_write_maxsz (op_decode_hdr_maxsz + \ | |
229 | 2 + decode_verifier_maxsz) | |
230 | #define encode_commit_maxsz (op_encode_hdr_maxsz + 3) | |
231 | #define decode_commit_maxsz (op_decode_hdr_maxsz + \ | |
232 | decode_verifier_maxsz) | |
1da177e4 LT |
233 | #define encode_remove_maxsz (op_encode_hdr_maxsz + \ |
234 | nfs4_name_maxsz) | |
6ce18391 BH |
235 | #define decode_remove_maxsz (op_decode_hdr_maxsz + \ |
236 | decode_change_info_maxsz) | |
1da177e4 LT |
237 | #define encode_rename_maxsz (op_encode_hdr_maxsz + \ |
238 | 2 * nfs4_name_maxsz) | |
6ce18391 BH |
239 | #define decode_rename_maxsz (op_decode_hdr_maxsz + \ |
240 | decode_change_info_maxsz + \ | |
241 | decode_change_info_maxsz) | |
1da177e4 LT |
242 | #define encode_link_maxsz (op_encode_hdr_maxsz + \ |
243 | nfs4_name_maxsz) | |
6ce18391 | 244 | #define decode_link_maxsz (op_decode_hdr_maxsz + decode_change_info_maxsz) |
daccbded | 245 | #define encode_lockowner_maxsz (7) |
9104a55d TM |
246 | #define encode_lock_maxsz (op_encode_hdr_maxsz + \ |
247 | 7 + \ | |
daccbded TM |
248 | 1 + encode_stateid_maxsz + 1 + \ |
249 | encode_lockowner_maxsz) | |
9104a55d TM |
250 | #define decode_lock_denied_maxsz \ |
251 | (8 + decode_lockowner_maxsz) | |
252 | #define decode_lock_maxsz (op_decode_hdr_maxsz + \ | |
253 | decode_lock_denied_maxsz) | |
daccbded TM |
254 | #define encode_lockt_maxsz (op_encode_hdr_maxsz + 5 + \ |
255 | encode_lockowner_maxsz) | |
9104a55d TM |
256 | #define decode_lockt_maxsz (op_decode_hdr_maxsz + \ |
257 | decode_lock_denied_maxsz) | |
258 | #define encode_locku_maxsz (op_encode_hdr_maxsz + 3 + \ | |
259 | encode_stateid_maxsz + \ | |
260 | 4) | |
261 | #define decode_locku_maxsz (op_decode_hdr_maxsz + \ | |
262 | decode_stateid_maxsz) | |
d3c7b7cc TM |
263 | #define encode_release_lockowner_maxsz \ |
264 | (op_encode_hdr_maxsz + \ | |
265 | encode_lockowner_maxsz) | |
266 | #define decode_release_lockowner_maxsz \ | |
267 | (op_decode_hdr_maxsz) | |
9104a55d TM |
268 | #define encode_access_maxsz (op_encode_hdr_maxsz + 1) |
269 | #define decode_access_maxsz (op_decode_hdr_maxsz + 2) | |
1da177e4 LT |
270 | #define encode_symlink_maxsz (op_encode_hdr_maxsz + \ |
271 | 1 + nfs4_name_maxsz + \ | |
94a6d753 | 272 | 1 + \ |
96928206 | 273 | nfs4_fattr_maxsz) |
1da177e4 LT |
274 | #define decode_symlink_maxsz (op_decode_hdr_maxsz + 8) |
275 | #define encode_create_maxsz (op_encode_hdr_maxsz + \ | |
9104a55d TM |
276 | 1 + 2 + nfs4_name_maxsz + \ |
277 | encode_attrs_maxsz) | |
2cebf828 TM |
278 | #define decode_create_maxsz (op_decode_hdr_maxsz + \ |
279 | decode_change_info_maxsz + \ | |
280 | nfs4_fattr_bitmap_maxsz) | |
9104a55d TM |
281 | #define encode_statfs_maxsz (encode_getattr_maxsz) |
282 | #define decode_statfs_maxsz (decode_getattr_maxsz) | |
1da177e4 LT |
283 | #define encode_delegreturn_maxsz (op_encode_hdr_maxsz + 4) |
284 | #define decode_delegreturn_maxsz (op_decode_hdr_maxsz) | |
9104a55d TM |
285 | #define encode_getacl_maxsz (encode_getattr_maxsz) |
286 | #define decode_getacl_maxsz (op_decode_hdr_maxsz + \ | |
02ef04e4 | 287 | nfs4_fattr_bitmap_maxsz + 1 + 1) |
9104a55d TM |
288 | #define encode_setacl_maxsz (op_encode_hdr_maxsz + \ |
289 | encode_stateid_maxsz + 3) | |
290 | #define decode_setacl_maxsz (decode_setattr_maxsz) | |
e6889620 TM |
291 | #define encode_fs_locations_maxsz \ |
292 | (encode_getattr_maxsz) | |
293 | #define decode_fs_locations_maxsz \ | |
02ef04e4 | 294 | (1) |
5a5ea0d4 | 295 | #define encode_secinfo_maxsz (op_encode_hdr_maxsz + nfs4_name_maxsz) |
1650add2 | 296 | #define decode_secinfo_maxsz (op_decode_hdr_maxsz + 1 + ((NFS_MAX_SECFLAVORS * (16 + GSS_OID_MAX_LEN)) / 4)) |
9b7b9fcc AA |
297 | |
298 | #if defined(CONFIG_NFS_V4_1) | |
fc931582 | 299 | #define NFS4_MAX_MACHINE_NAME_LEN (64) |
d751f748 JR |
300 | #define IMPL_NAME_LIMIT (sizeof(utsname()->sysname) + sizeof(utsname()->release) + \ |
301 | sizeof(utsname()->version) + sizeof(utsname()->machine) + 8) | |
fc931582 | 302 | |
99fe60d0 BH |
303 | #define encode_exchange_id_maxsz (op_encode_hdr_maxsz + \ |
304 | encode_verifier_maxsz + \ | |
305 | 1 /* co_ownerid.len */ + \ | |
b8fb2f59 JL |
306 | /* eia_clientowner */ \ |
307 | 1 + XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
99fe60d0 BH |
308 | 1 /* flags */ + \ |
309 | 1 /* spa_how */ + \ | |
2031cd1a WAA |
310 | /* max is SP4_MACH_CRED (for now) */ + \ |
311 | 1 + NFS4_OP_MAP_NUM_WORDS + \ | |
312 | 1 + NFS4_OP_MAP_NUM_WORDS + \ | |
db8ac8ba WAA |
313 | 1 /* implementation id array of size 1 */ + \ |
314 | 1 /* nii_domain */ + \ | |
315 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
316 | 1 /* nii_name */ + \ | |
d751f748 | 317 | XDR_QUADLEN(IMPL_NAME_LIMIT) + \ |
db8ac8ba | 318 | 3 /* nii_date */) |
99fe60d0 BH |
319 | #define decode_exchange_id_maxsz (op_decode_hdr_maxsz + \ |
320 | 2 /* eir_clientid */ + \ | |
321 | 1 /* eir_sequenceid */ + \ | |
322 | 1 /* eir_flags */ + \ | |
323 | 1 /* spr_how */ + \ | |
2031cd1a WAA |
324 | /* max is SP4_MACH_CRED (for now) */ + \ |
325 | 1 + NFS4_OP_MAP_NUM_WORDS + \ | |
326 | 1 + NFS4_OP_MAP_NUM_WORDS + \ | |
99fe60d0 BH |
327 | 2 /* eir_server_owner.so_minor_id */ + \ |
328 | /* eir_server_owner.so_major_id<> */ \ | |
329 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 + \ | |
330 | /* eir_server_scope<> */ \ | |
331 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 + \ | |
332 | 1 /* eir_server_impl_id array length */ + \ | |
7d2ed9ac WAA |
333 | 1 /* nii_domain */ + \ |
334 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
335 | 1 /* nii_name */ + \ | |
336 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
337 | 3 /* nii_date */) | |
fc931582 AA |
338 | #define encode_channel_attrs_maxsz (6 + 1 /* ca_rdma_ird.len (0) */) |
339 | #define decode_channel_attrs_maxsz (6 + \ | |
340 | 1 /* ca_rdma_ird.len */ + \ | |
341 | 1 /* ca_rdma_ird */) | |
342 | #define encode_create_session_maxsz (op_encode_hdr_maxsz + \ | |
343 | 2 /* csa_clientid */ + \ | |
344 | 1 /* csa_sequence */ + \ | |
345 | 1 /* csa_flags */ + \ | |
346 | encode_channel_attrs_maxsz + \ | |
347 | encode_channel_attrs_maxsz + \ | |
348 | 1 /* csa_cb_program */ + \ | |
349 | 1 /* csa_sec_parms.len (1) */ + \ | |
350 | 1 /* cb_secflavor (AUTH_SYS) */ + \ | |
351 | 1 /* stamp */ + \ | |
352 | 1 /* machinename.len */ + \ | |
353 | XDR_QUADLEN(NFS4_MAX_MACHINE_NAME_LEN) + \ | |
354 | 1 /* uid */ + \ | |
355 | 1 /* gid */ + \ | |
356 | 1 /* gids.len (0) */) | |
357 | #define decode_create_session_maxsz (op_decode_hdr_maxsz + \ | |
358 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + \ | |
359 | 1 /* csr_sequence */ + \ | |
360 | 1 /* csr_flags */ + \ | |
361 | decode_channel_attrs_maxsz + \ | |
362 | decode_channel_attrs_maxsz) | |
7c44f1ae WAA |
363 | #define encode_bind_conn_to_session_maxsz (op_encode_hdr_maxsz + \ |
364 | /* bctsa_sessid */ \ | |
365 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + \ | |
366 | 1 /* bctsa_dir */ + \ | |
367 | 1 /* bctsa_use_conn_in_rdma_mode */) | |
368 | #define decode_bind_conn_to_session_maxsz (op_decode_hdr_maxsz + \ | |
369 | /* bctsr_sessid */ \ | |
370 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + \ | |
371 | 1 /* bctsr_dir */ + \ | |
372 | 1 /* bctsr_use_conn_in_rdma_mode */) | |
0f3e66c6 AA |
373 | #define encode_destroy_session_maxsz (op_encode_hdr_maxsz + 4) |
374 | #define decode_destroy_session_maxsz (op_decode_hdr_maxsz) | |
66245539 TM |
375 | #define encode_destroy_clientid_maxsz (op_encode_hdr_maxsz + 2) |
376 | #define decode_destroy_clientid_maxsz (op_decode_hdr_maxsz) | |
fc01cea9 AA |
377 | #define encode_sequence_maxsz (op_encode_hdr_maxsz + \ |
378 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 4) | |
379 | #define decode_sequence_maxsz (op_decode_hdr_maxsz + \ | |
380 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 5) | |
18019753 RL |
381 | #define encode_reclaim_complete_maxsz (op_encode_hdr_maxsz + 4) |
382 | #define decode_reclaim_complete_maxsz (op_decode_hdr_maxsz + 4) | |
84c9dee3 CH |
383 | #define encode_getdeviceinfo_maxsz (op_encode_hdr_maxsz + \ |
384 | XDR_QUADLEN(NFS4_DEVICEID4_SIZE) + \ | |
385 | 1 /* layout type */ + \ | |
386 | 1 /* maxcount */ + \ | |
387 | 1 /* bitmap size */ + \ | |
388 | 1 /* notification bitmap length */ + \ | |
389 | 1 /* notification bitmap, word 0 */) | |
b1f69b75 AA |
390 | #define decode_getdeviceinfo_maxsz (op_decode_hdr_maxsz + \ |
391 | 1 /* layout type */ + \ | |
392 | 1 /* opaque devaddr4 length */ + \ | |
393 | /* devaddr4 payload is read into page */ \ | |
394 | 1 /* notification bitmap length */ + \ | |
02ef04e4 CL |
395 | 1 /* notification bitmap, word 0 */ + \ |
396 | 1 /* possible XDR padding */) | |
b1f69b75 AA |
397 | #define encode_layoutget_maxsz (op_encode_hdr_maxsz + 10 + \ |
398 | encode_stateid_maxsz) | |
399 | #define decode_layoutget_maxsz (op_decode_hdr_maxsz + 8 + \ | |
400 | decode_stateid_maxsz + \ | |
02ef04e4 | 401 | XDR_QUADLEN(PNFS_LAYOUT_MAXSIZE) + 1) |
863a3c6c AA |
402 | #define encode_layoutcommit_maxsz (op_encode_hdr_maxsz + \ |
403 | 2 /* offset */ + \ | |
404 | 2 /* length */ + \ | |
405 | 1 /* reclaim */ + \ | |
406 | encode_stateid_maxsz + \ | |
407 | 1 /* new offset (true) */ + \ | |
408 | 2 /* last byte written */ + \ | |
409 | 1 /* nt_timechanged (false) */ + \ | |
410 | 1 /* layoutupdate4 layout type */ + \ | |
5f919c9f CH |
411 | 1 /* layoutupdate4 opaqueue len */) |
412 | /* the actual content of layoutupdate4 should | |
413 | be allocated by drivers and spliced in | |
414 | using xdr_write_pages */ | |
863a3c6c | 415 | #define decode_layoutcommit_maxsz (op_decode_hdr_maxsz + 3) |
cbe82603 BH |
416 | #define encode_layoutreturn_maxsz (8 + op_encode_hdr_maxsz + \ |
417 | encode_stateid_maxsz + \ | |
6669cb8b TM |
418 | 1 + \ |
419 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT)) | |
cbe82603 BH |
420 | #define decode_layoutreturn_maxsz (op_decode_hdr_maxsz + \ |
421 | 1 + decode_stateid_maxsz) | |
fca78d6d BS |
422 | #define encode_secinfo_no_name_maxsz (op_encode_hdr_maxsz + 1) |
423 | #define decode_secinfo_no_name_maxsz decode_secinfo_maxsz | |
7d974794 BS |
424 | #define encode_test_stateid_maxsz (op_encode_hdr_maxsz + 2 + \ |
425 | XDR_QUADLEN(NFS4_STATEID_SIZE)) | |
426 | #define decode_test_stateid_maxsz (op_decode_hdr_maxsz + 2 + 1) | |
9aeda35f BS |
427 | #define encode_free_stateid_maxsz (op_encode_hdr_maxsz + 1 + \ |
428 | XDR_QUADLEN(NFS4_STATEID_SIZE)) | |
9f79fb48 | 429 | #define decode_free_stateid_maxsz (op_decode_hdr_maxsz) |
9b7b9fcc AA |
430 | #else /* CONFIG_NFS_V4_1 */ |
431 | #define encode_sequence_maxsz 0 | |
432 | #define decode_sequence_maxsz 0 | |
cf805165 TM |
433 | #define encode_layoutreturn_maxsz 0 |
434 | #define decode_layoutreturn_maxsz 0 | |
56f487f8 FI |
435 | #define encode_layoutget_maxsz 0 |
436 | #define decode_layoutget_maxsz 0 | |
9b7b9fcc AA |
437 | #endif /* CONFIG_NFS_V4_1 */ |
438 | ||
1da177e4 LT |
439 | #define NFS4_enc_compound_sz (1024) /* XXX: large enough? */ |
440 | #define NFS4_dec_compound_sz (1024) /* XXX: large enough? */ | |
441 | #define NFS4_enc_read_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 442 | encode_sequence_maxsz + \ |
1da177e4 | 443 | encode_putfh_maxsz + \ |
9104a55d | 444 | encode_read_maxsz) |
1da177e4 | 445 | #define NFS4_dec_read_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 446 | decode_sequence_maxsz + \ |
1da177e4 | 447 | decode_putfh_maxsz + \ |
9104a55d | 448 | decode_read_maxsz) |
1da177e4 | 449 | #define NFS4_enc_readlink_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 450 | encode_sequence_maxsz + \ |
1da177e4 | 451 | encode_putfh_maxsz + \ |
9104a55d | 452 | encode_readlink_maxsz) |
1da177e4 | 453 | #define NFS4_dec_readlink_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 454 | decode_sequence_maxsz + \ |
1da177e4 | 455 | decode_putfh_maxsz + \ |
9104a55d | 456 | decode_readlink_maxsz) |
1da177e4 | 457 | #define NFS4_enc_readdir_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 458 | encode_sequence_maxsz + \ |
1da177e4 | 459 | encode_putfh_maxsz + \ |
9104a55d | 460 | encode_readdir_maxsz) |
1da177e4 | 461 | #define NFS4_dec_readdir_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 462 | decode_sequence_maxsz + \ |
1da177e4 | 463 | decode_putfh_maxsz + \ |
9104a55d | 464 | decode_readdir_maxsz) |
1da177e4 | 465 | #define NFS4_enc_write_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 466 | encode_sequence_maxsz + \ |
1da177e4 | 467 | encode_putfh_maxsz + \ |
9104a55d | 468 | encode_write_maxsz + \ |
4f9838c7 | 469 | encode_getattr_maxsz) |
1da177e4 | 470 | #define NFS4_dec_write_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 471 | decode_sequence_maxsz + \ |
1da177e4 | 472 | decode_putfh_maxsz + \ |
9104a55d | 473 | decode_write_maxsz + \ |
4f9838c7 | 474 | decode_getattr_maxsz) |
1da177e4 | 475 | #define NFS4_enc_commit_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 476 | encode_sequence_maxsz + \ |
1da177e4 | 477 | encode_putfh_maxsz + \ |
8582715e | 478 | encode_commit_maxsz) |
1da177e4 | 479 | #define NFS4_dec_commit_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 480 | decode_sequence_maxsz + \ |
1da177e4 | 481 | decode_putfh_maxsz + \ |
8582715e | 482 | decode_commit_maxsz) |
1da177e4 | 483 | #define NFS4_enc_open_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 484 | encode_sequence_maxsz + \ |
2cebf828 | 485 | encode_putfh_maxsz + \ |
2cebf828 | 486 | encode_open_maxsz + \ |
6168f62c | 487 | encode_access_maxsz + \ |
2cebf828 | 488 | encode_getfh_maxsz + \ |
56f487f8 FI |
489 | encode_getattr_maxsz + \ |
490 | encode_layoutget_maxsz) | |
1da177e4 | 491 | #define NFS4_dec_open_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 492 | decode_sequence_maxsz + \ |
2cebf828 | 493 | decode_putfh_maxsz + \ |
2cebf828 | 494 | decode_open_maxsz + \ |
6168f62c | 495 | decode_access_maxsz + \ |
2cebf828 | 496 | decode_getfh_maxsz + \ |
56f487f8 FI |
497 | decode_getattr_maxsz + \ |
498 | decode_layoutget_maxsz) | |
9104a55d TM |
499 | #define NFS4_enc_open_confirm_sz \ |
500 | (compound_encode_hdr_maxsz + \ | |
501 | encode_putfh_maxsz + \ | |
502 | encode_open_confirm_maxsz) | |
503 | #define NFS4_dec_open_confirm_sz \ | |
504 | (compound_decode_hdr_maxsz + \ | |
505 | decode_putfh_maxsz + \ | |
506 | decode_open_confirm_maxsz) | |
1da177e4 | 507 | #define NFS4_enc_open_noattr_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 508 | encode_sequence_maxsz + \ |
1da177e4 | 509 | encode_putfh_maxsz + \ |
2cebf828 | 510 | encode_open_maxsz + \ |
6168f62c | 511 | encode_access_maxsz + \ |
56f487f8 FI |
512 | encode_getattr_maxsz + \ |
513 | encode_layoutget_maxsz) | |
1da177e4 | 514 | #define NFS4_dec_open_noattr_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 515 | decode_sequence_maxsz + \ |
1da177e4 | 516 | decode_putfh_maxsz + \ |
2cebf828 | 517 | decode_open_maxsz + \ |
6168f62c | 518 | decode_access_maxsz + \ |
56f487f8 FI |
519 | decode_getattr_maxsz + \ |
520 | decode_layoutget_maxsz) | |
1da177e4 LT |
521 | #define NFS4_enc_open_downgrade_sz \ |
522 | (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 523 | encode_sequence_maxsz + \ |
9104a55d | 524 | encode_putfh_maxsz + \ |
b6808145 | 525 | encode_layoutreturn_maxsz + \ |
3947b74d | 526 | encode_open_downgrade_maxsz) |
1da177e4 LT |
527 | #define NFS4_dec_open_downgrade_sz \ |
528 | (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 529 | decode_sequence_maxsz + \ |
9104a55d | 530 | decode_putfh_maxsz + \ |
b6808145 | 531 | decode_layoutreturn_maxsz + \ |
3947b74d | 532 | decode_open_downgrade_maxsz) |
9104a55d | 533 | #define NFS4_enc_close_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 534 | encode_sequence_maxsz + \ |
9104a55d | 535 | encode_putfh_maxsz + \ |
cf805165 | 536 | encode_layoutreturn_maxsz + \ |
9104a55d TM |
537 | encode_close_maxsz + \ |
538 | encode_getattr_maxsz) | |
539 | #define NFS4_dec_close_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 540 | decode_sequence_maxsz + \ |
9104a55d | 541 | decode_putfh_maxsz + \ |
cf805165 | 542 | decode_layoutreturn_maxsz + \ |
9104a55d TM |
543 | decode_close_maxsz + \ |
544 | decode_getattr_maxsz) | |
545 | #define NFS4_enc_setattr_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 546 | encode_sequence_maxsz + \ |
9104a55d TM |
547 | encode_putfh_maxsz + \ |
548 | encode_setattr_maxsz + \ | |
549 | encode_getattr_maxsz) | |
550 | #define NFS4_dec_setattr_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 551 | decode_sequence_maxsz + \ |
9104a55d TM |
552 | decode_putfh_maxsz + \ |
553 | decode_setattr_maxsz + \ | |
554 | decode_getattr_maxsz) | |
1da177e4 | 555 | #define NFS4_enc_fsinfo_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 556 | encode_sequence_maxsz + \ |
1da177e4 LT |
557 | encode_putfh_maxsz + \ |
558 | encode_fsinfo_maxsz) | |
559 | #define NFS4_dec_fsinfo_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 560 | decode_sequence_maxsz + \ |
1da177e4 LT |
561 | decode_putfh_maxsz + \ |
562 | decode_fsinfo_maxsz) | |
563 | #define NFS4_enc_renew_sz (compound_encode_hdr_maxsz + \ | |
564 | encode_renew_maxsz) | |
565 | #define NFS4_dec_renew_sz (compound_decode_hdr_maxsz + \ | |
566 | decode_renew_maxsz) | |
567 | #define NFS4_enc_setclientid_sz (compound_encode_hdr_maxsz + \ | |
568 | encode_setclientid_maxsz) | |
569 | #define NFS4_dec_setclientid_sz (compound_decode_hdr_maxsz + \ | |
570 | decode_setclientid_maxsz) | |
571 | #define NFS4_enc_setclientid_confirm_sz \ | |
572 | (compound_encode_hdr_maxsz + \ | |
83ca7f5a | 573 | encode_setclientid_confirm_maxsz) |
1da177e4 LT |
574 | #define NFS4_dec_setclientid_confirm_sz \ |
575 | (compound_decode_hdr_maxsz + \ | |
83ca7f5a | 576 | decode_setclientid_confirm_maxsz) |
1da177e4 | 577 | #define NFS4_enc_lock_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 578 | encode_sequence_maxsz + \ |
1da177e4 | 579 | encode_putfh_maxsz + \ |
9104a55d | 580 | encode_lock_maxsz) |
1da177e4 | 581 | #define NFS4_dec_lock_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 582 | decode_sequence_maxsz + \ |
1da177e4 | 583 | decode_putfh_maxsz + \ |
9104a55d | 584 | decode_lock_maxsz) |
1da177e4 | 585 | #define NFS4_enc_lockt_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 586 | encode_sequence_maxsz + \ |
1da177e4 | 587 | encode_putfh_maxsz + \ |
9104a55d TM |
588 | encode_lockt_maxsz) |
589 | #define NFS4_dec_lockt_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 590 | decode_sequence_maxsz + \ |
9104a55d TM |
591 | decode_putfh_maxsz + \ |
592 | decode_lockt_maxsz) | |
1da177e4 | 593 | #define NFS4_enc_locku_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 594 | encode_sequence_maxsz + \ |
1da177e4 | 595 | encode_putfh_maxsz + \ |
9104a55d | 596 | encode_locku_maxsz) |
1da177e4 | 597 | #define NFS4_dec_locku_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 598 | decode_sequence_maxsz + \ |
1da177e4 | 599 | decode_putfh_maxsz + \ |
9104a55d | 600 | decode_locku_maxsz) |
d3c7b7cc TM |
601 | #define NFS4_enc_release_lockowner_sz \ |
602 | (compound_encode_hdr_maxsz + \ | |
603 | encode_lockowner_maxsz) | |
604 | #define NFS4_dec_release_lockowner_sz \ | |
605 | (compound_decode_hdr_maxsz + \ | |
606 | decode_lockowner_maxsz) | |
1da177e4 | 607 | #define NFS4_enc_access_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 608 | encode_sequence_maxsz + \ |
1da177e4 | 609 | encode_putfh_maxsz + \ |
76b32999 TM |
610 | encode_access_maxsz + \ |
611 | encode_getattr_maxsz) | |
1da177e4 | 612 | #define NFS4_dec_access_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 613 | decode_sequence_maxsz + \ |
1da177e4 | 614 | decode_putfh_maxsz + \ |
76b32999 TM |
615 | decode_access_maxsz + \ |
616 | decode_getattr_maxsz) | |
1da177e4 | 617 | #define NFS4_enc_getattr_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 618 | encode_sequence_maxsz + \ |
1da177e4 | 619 | encode_putfh_maxsz + \ |
44c99933 CL |
620 | encode_getattr_maxsz + \ |
621 | encode_renew_maxsz) | |
1da177e4 | 622 | #define NFS4_dec_getattr_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 623 | decode_sequence_maxsz + \ |
1da177e4 | 624 | decode_putfh_maxsz + \ |
44c99933 CL |
625 | decode_getattr_maxsz + \ |
626 | decode_renew_maxsz) | |
1da177e4 | 627 | #define NFS4_enc_lookup_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 628 | encode_sequence_maxsz + \ |
1da177e4 LT |
629 | encode_putfh_maxsz + \ |
630 | encode_lookup_maxsz + \ | |
631 | encode_getattr_maxsz + \ | |
632 | encode_getfh_maxsz) | |
633 | #define NFS4_dec_lookup_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 634 | decode_sequence_maxsz + \ |
1da177e4 | 635 | decode_putfh_maxsz + \ |
e6889620 | 636 | decode_lookup_maxsz + \ |
1da177e4 LT |
637 | decode_getattr_maxsz + \ |
638 | decode_getfh_maxsz) | |
5b5faaf6 JL |
639 | #define NFS4_enc_lookupp_sz (compound_encode_hdr_maxsz + \ |
640 | encode_sequence_maxsz + \ | |
641 | encode_putfh_maxsz + \ | |
642 | encode_lookupp_maxsz + \ | |
643 | encode_getattr_maxsz + \ | |
644 | encode_getfh_maxsz) | |
645 | #define NFS4_dec_lookupp_sz (compound_decode_hdr_maxsz + \ | |
646 | decode_sequence_maxsz + \ | |
647 | decode_putfh_maxsz + \ | |
648 | decode_lookupp_maxsz + \ | |
649 | decode_getattr_maxsz + \ | |
650 | decode_getfh_maxsz) | |
1da177e4 | 651 | #define NFS4_enc_lookup_root_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 652 | encode_sequence_maxsz + \ |
1da177e4 LT |
653 | encode_putrootfh_maxsz + \ |
654 | encode_getattr_maxsz + \ | |
655 | encode_getfh_maxsz) | |
656 | #define NFS4_dec_lookup_root_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 657 | decode_sequence_maxsz + \ |
1da177e4 LT |
658 | decode_putrootfh_maxsz + \ |
659 | decode_getattr_maxsz + \ | |
660 | decode_getfh_maxsz) | |
661 | #define NFS4_enc_remove_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 662 | encode_sequence_maxsz + \ |
1da177e4 | 663 | encode_putfh_maxsz + \ |
778d2817 | 664 | encode_remove_maxsz) |
1da177e4 | 665 | #define NFS4_dec_remove_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 666 | decode_sequence_maxsz + \ |
1da177e4 | 667 | decode_putfh_maxsz + \ |
778d2817 | 668 | decode_remove_maxsz) |
1da177e4 | 669 | #define NFS4_enc_rename_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 670 | encode_sequence_maxsz + \ |
1da177e4 LT |
671 | encode_putfh_maxsz + \ |
672 | encode_savefh_maxsz + \ | |
673 | encode_putfh_maxsz + \ | |
778d2817 | 674 | encode_rename_maxsz) |
1da177e4 | 675 | #define NFS4_dec_rename_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 676 | decode_sequence_maxsz + \ |
1da177e4 LT |
677 | decode_putfh_maxsz + \ |
678 | decode_savefh_maxsz + \ | |
679 | decode_putfh_maxsz + \ | |
778d2817 | 680 | decode_rename_maxsz) |
1da177e4 | 681 | #define NFS4_enc_link_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 682 | encode_sequence_maxsz + \ |
1da177e4 LT |
683 | encode_putfh_maxsz + \ |
684 | encode_savefh_maxsz + \ | |
685 | encode_putfh_maxsz + \ | |
91ba2eee | 686 | encode_link_maxsz + \ |
91ba2eee | 687 | encode_restorefh_maxsz + \ |
a9f6991b | 688 | encode_getattr_maxsz) |
1da177e4 | 689 | #define NFS4_dec_link_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 690 | decode_sequence_maxsz + \ |
1da177e4 LT |
691 | decode_putfh_maxsz + \ |
692 | decode_savefh_maxsz + \ | |
693 | decode_putfh_maxsz + \ | |
91ba2eee | 694 | decode_link_maxsz + \ |
91ba2eee TM |
695 | decode_restorefh_maxsz + \ |
696 | decode_getattr_maxsz) | |
1da177e4 | 697 | #define NFS4_enc_symlink_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 698 | encode_sequence_maxsz + \ |
1da177e4 LT |
699 | encode_putfh_maxsz + \ |
700 | encode_symlink_maxsz + \ | |
701 | encode_getattr_maxsz + \ | |
702 | encode_getfh_maxsz) | |
703 | #define NFS4_dec_symlink_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 704 | decode_sequence_maxsz + \ |
1da177e4 LT |
705 | decode_putfh_maxsz + \ |
706 | decode_symlink_maxsz + \ | |
707 | decode_getattr_maxsz + \ | |
708 | decode_getfh_maxsz) | |
709 | #define NFS4_enc_create_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 710 | encode_sequence_maxsz + \ |
1da177e4 LT |
711 | encode_putfh_maxsz + \ |
712 | encode_create_maxsz + \ | |
56ae19f3 | 713 | encode_getfh_maxsz + \ |
56ae19f3 | 714 | encode_getattr_maxsz) |
1da177e4 | 715 | #define NFS4_dec_create_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 716 | decode_sequence_maxsz + \ |
1da177e4 LT |
717 | decode_putfh_maxsz + \ |
718 | decode_create_maxsz + \ | |
56ae19f3 | 719 | decode_getfh_maxsz + \ |
56ae19f3 | 720 | decode_getattr_maxsz) |
1da177e4 | 721 | #define NFS4_enc_pathconf_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 722 | encode_sequence_maxsz + \ |
1da177e4 LT |
723 | encode_putfh_maxsz + \ |
724 | encode_getattr_maxsz) | |
725 | #define NFS4_dec_pathconf_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 726 | decode_sequence_maxsz + \ |
1da177e4 LT |
727 | decode_putfh_maxsz + \ |
728 | decode_getattr_maxsz) | |
729 | #define NFS4_enc_statfs_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 730 | encode_sequence_maxsz + \ |
1da177e4 | 731 | encode_putfh_maxsz + \ |
9104a55d | 732 | encode_statfs_maxsz) |
1da177e4 | 733 | #define NFS4_dec_statfs_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 734 | decode_sequence_maxsz + \ |
1da177e4 | 735 | decode_putfh_maxsz + \ |
9104a55d | 736 | decode_statfs_maxsz) |
1da177e4 | 737 | #define NFS4_enc_server_caps_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 738 | encode_sequence_maxsz + \ |
ab91f264 | 739 | encode_putfh_maxsz + \ |
1da177e4 LT |
740 | encode_getattr_maxsz) |
741 | #define NFS4_dec_server_caps_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 742 | decode_sequence_maxsz + \ |
ab91f264 | 743 | decode_putfh_maxsz + \ |
1da177e4 LT |
744 | decode_getattr_maxsz) |
745 | #define NFS4_enc_delegreturn_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 746 | encode_sequence_maxsz + \ |
1da177e4 | 747 | encode_putfh_maxsz + \ |
586f1c39 | 748 | encode_layoutreturn_maxsz + \ |
fa178f29 TM |
749 | encode_delegreturn_maxsz + \ |
750 | encode_getattr_maxsz) | |
1da177e4 | 751 | #define NFS4_dec_delegreturn_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 752 | decode_sequence_maxsz + \ |
d8434d4c | 753 | decode_putfh_maxsz + \ |
586f1c39 | 754 | decode_layoutreturn_maxsz + \ |
fa178f29 TM |
755 | decode_delegreturn_maxsz + \ |
756 | decode_getattr_maxsz) | |
029d105e | 757 | #define NFS4_enc_getacl_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 758 | encode_sequence_maxsz + \ |
029d105e | 759 | encode_putfh_maxsz + \ |
9104a55d | 760 | encode_getacl_maxsz) |
029d105e | 761 | #define NFS4_dec_getacl_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 762 | decode_sequence_maxsz + \ |
029d105e | 763 | decode_putfh_maxsz + \ |
9104a55d | 764 | decode_getacl_maxsz) |
23ec6965 | 765 | #define NFS4_enc_setacl_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 766 | encode_sequence_maxsz + \ |
23ec6965 | 767 | encode_putfh_maxsz + \ |
9104a55d | 768 | encode_setacl_maxsz) |
23ec6965 | 769 | #define NFS4_dec_setacl_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 770 | decode_sequence_maxsz + \ |
23ec6965 | 771 | decode_putfh_maxsz + \ |
9104a55d | 772 | decode_setacl_maxsz) |
683b57b4 TM |
773 | #define NFS4_enc_fs_locations_sz \ |
774 | (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 775 | encode_sequence_maxsz + \ |
683b57b4 | 776 | encode_putfh_maxsz + \ |
e6889620 | 777 | encode_lookup_maxsz + \ |
b03d735b CL |
778 | encode_fs_locations_maxsz + \ |
779 | encode_renew_maxsz) | |
683b57b4 TM |
780 | #define NFS4_dec_fs_locations_sz \ |
781 | (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 782 | decode_sequence_maxsz + \ |
683b57b4 | 783 | decode_putfh_maxsz + \ |
e6889620 | 784 | decode_lookup_maxsz + \ |
b03d735b CL |
785 | decode_fs_locations_maxsz + \ |
786 | decode_renew_maxsz) | |
5a5ea0d4 BS |
787 | #define NFS4_enc_secinfo_sz (compound_encode_hdr_maxsz + \ |
788 | encode_sequence_maxsz + \ | |
789 | encode_putfh_maxsz + \ | |
790 | encode_secinfo_maxsz) | |
791 | #define NFS4_dec_secinfo_sz (compound_decode_hdr_maxsz + \ | |
792 | decode_sequence_maxsz + \ | |
793 | decode_putfh_maxsz + \ | |
794 | decode_secinfo_maxsz) | |
44c99933 CL |
795 | #define NFS4_enc_fsid_present_sz \ |
796 | (compound_encode_hdr_maxsz + \ | |
797 | encode_sequence_maxsz + \ | |
798 | encode_putfh_maxsz + \ | |
799 | encode_getfh_maxsz + \ | |
800 | encode_renew_maxsz) | |
801 | #define NFS4_dec_fsid_present_sz \ | |
802 | (compound_decode_hdr_maxsz + \ | |
803 | decode_sequence_maxsz + \ | |
804 | decode_putfh_maxsz + \ | |
805 | decode_getfh_maxsz + \ | |
806 | decode_renew_maxsz) | |
99fe60d0 | 807 | #if defined(CONFIG_NFS_V4_1) |
7c44f1ae WAA |
808 | #define NFS4_enc_bind_conn_to_session_sz \ |
809 | (compound_encode_hdr_maxsz + \ | |
810 | encode_bind_conn_to_session_maxsz) | |
811 | #define NFS4_dec_bind_conn_to_session_sz \ | |
812 | (compound_decode_hdr_maxsz + \ | |
813 | decode_bind_conn_to_session_maxsz) | |
99fe60d0 BH |
814 | #define NFS4_enc_exchange_id_sz \ |
815 | (compound_encode_hdr_maxsz + \ | |
816 | encode_exchange_id_maxsz) | |
817 | #define NFS4_dec_exchange_id_sz \ | |
818 | (compound_decode_hdr_maxsz + \ | |
819 | decode_exchange_id_maxsz) | |
fc931582 AA |
820 | #define NFS4_enc_create_session_sz \ |
821 | (compound_encode_hdr_maxsz + \ | |
822 | encode_create_session_maxsz) | |
823 | #define NFS4_dec_create_session_sz \ | |
824 | (compound_decode_hdr_maxsz + \ | |
825 | decode_create_session_maxsz) | |
0f3e66c6 AA |
826 | #define NFS4_enc_destroy_session_sz (compound_encode_hdr_maxsz + \ |
827 | encode_destroy_session_maxsz) | |
828 | #define NFS4_dec_destroy_session_sz (compound_decode_hdr_maxsz + \ | |
829 | decode_destroy_session_maxsz) | |
66245539 TM |
830 | #define NFS4_enc_destroy_clientid_sz (compound_encode_hdr_maxsz + \ |
831 | encode_destroy_clientid_maxsz) | |
832 | #define NFS4_dec_destroy_clientid_sz (compound_decode_hdr_maxsz + \ | |
833 | decode_destroy_clientid_maxsz) | |
fc01cea9 AA |
834 | #define NFS4_enc_sequence_sz \ |
835 | (compound_decode_hdr_maxsz + \ | |
836 | encode_sequence_maxsz) | |
837 | #define NFS4_dec_sequence_sz \ | |
838 | (compound_decode_hdr_maxsz + \ | |
839 | decode_sequence_maxsz) | |
0efb01b2 | 840 | #endif |
2050f0cc AA |
841 | #define NFS4_enc_get_lease_time_sz (compound_encode_hdr_maxsz + \ |
842 | encode_sequence_maxsz + \ | |
843 | encode_putrootfh_maxsz + \ | |
844 | encode_fsinfo_maxsz) | |
845 | #define NFS4_dec_get_lease_time_sz (compound_decode_hdr_maxsz + \ | |
846 | decode_sequence_maxsz + \ | |
847 | decode_putrootfh_maxsz + \ | |
848 | decode_fsinfo_maxsz) | |
0efb01b2 | 849 | #if defined(CONFIG_NFS_V4_1) |
18019753 RL |
850 | #define NFS4_enc_reclaim_complete_sz (compound_encode_hdr_maxsz + \ |
851 | encode_sequence_maxsz + \ | |
852 | encode_reclaim_complete_maxsz) | |
853 | #define NFS4_dec_reclaim_complete_sz (compound_decode_hdr_maxsz + \ | |
854 | decode_sequence_maxsz + \ | |
855 | decode_reclaim_complete_maxsz) | |
b1f69b75 AA |
856 | #define NFS4_enc_getdeviceinfo_sz (compound_encode_hdr_maxsz + \ |
857 | encode_sequence_maxsz +\ | |
858 | encode_getdeviceinfo_maxsz) | |
859 | #define NFS4_dec_getdeviceinfo_sz (compound_decode_hdr_maxsz + \ | |
860 | decode_sequence_maxsz + \ | |
861 | decode_getdeviceinfo_maxsz) | |
862 | #define NFS4_enc_layoutget_sz (compound_encode_hdr_maxsz + \ | |
863 | encode_sequence_maxsz + \ | |
864 | encode_putfh_maxsz + \ | |
865 | encode_layoutget_maxsz) | |
866 | #define NFS4_dec_layoutget_sz (compound_decode_hdr_maxsz + \ | |
867 | decode_sequence_maxsz + \ | |
868 | decode_putfh_maxsz + \ | |
869 | decode_layoutget_maxsz) | |
863a3c6c AA |
870 | #define NFS4_enc_layoutcommit_sz (compound_encode_hdr_maxsz + \ |
871 | encode_sequence_maxsz +\ | |
872 | encode_putfh_maxsz + \ | |
873 | encode_layoutcommit_maxsz + \ | |
874 | encode_getattr_maxsz) | |
875 | #define NFS4_dec_layoutcommit_sz (compound_decode_hdr_maxsz + \ | |
876 | decode_sequence_maxsz + \ | |
877 | decode_putfh_maxsz + \ | |
878 | decode_layoutcommit_maxsz + \ | |
879 | decode_getattr_maxsz) | |
cbe82603 BH |
880 | #define NFS4_enc_layoutreturn_sz (compound_encode_hdr_maxsz + \ |
881 | encode_sequence_maxsz + \ | |
882 | encode_putfh_maxsz + \ | |
883 | encode_layoutreturn_maxsz) | |
884 | #define NFS4_dec_layoutreturn_sz (compound_decode_hdr_maxsz + \ | |
885 | decode_sequence_maxsz + \ | |
886 | decode_putfh_maxsz + \ | |
887 | decode_layoutreturn_maxsz) | |
fca78d6d BS |
888 | #define NFS4_enc_secinfo_no_name_sz (compound_encode_hdr_maxsz + \ |
889 | encode_sequence_maxsz + \ | |
890 | encode_putrootfh_maxsz +\ | |
891 | encode_secinfo_no_name_maxsz) | |
892 | #define NFS4_dec_secinfo_no_name_sz (compound_decode_hdr_maxsz + \ | |
893 | decode_sequence_maxsz + \ | |
894 | decode_putrootfh_maxsz + \ | |
895 | decode_secinfo_no_name_maxsz) | |
7d974794 BS |
896 | #define NFS4_enc_test_stateid_sz (compound_encode_hdr_maxsz + \ |
897 | encode_sequence_maxsz + \ | |
898 | encode_test_stateid_maxsz) | |
899 | #define NFS4_dec_test_stateid_sz (compound_decode_hdr_maxsz + \ | |
900 | decode_sequence_maxsz + \ | |
901 | decode_test_stateid_maxsz) | |
9aeda35f BS |
902 | #define NFS4_enc_free_stateid_sz (compound_encode_hdr_maxsz + \ |
903 | encode_sequence_maxsz + \ | |
904 | encode_free_stateid_maxsz) | |
905 | #define NFS4_dec_free_stateid_sz (compound_decode_hdr_maxsz + \ | |
906 | decode_sequence_maxsz + \ | |
907 | decode_free_stateid_maxsz) | |
2449ea2e AB |
908 | |
909 | const u32 nfs41_maxwrite_overhead = ((RPC_MAX_HEADER_WITH_AUTH + | |
910 | compound_encode_hdr_maxsz + | |
911 | encode_sequence_maxsz + | |
912 | encode_putfh_maxsz + | |
913 | encode_getattr_maxsz) * | |
914 | XDR_UNIT); | |
915 | ||
916 | const u32 nfs41_maxread_overhead = ((RPC_MAX_HEADER_WITH_AUTH + | |
917 | compound_decode_hdr_maxsz + | |
918 | decode_sequence_maxsz + | |
919 | decode_putfh_maxsz) * | |
920 | XDR_UNIT); | |
f1c097be AA |
921 | |
922 | const u32 nfs41_maxgetdevinfo_overhead = ((RPC_MAX_REPHEADER_WITH_AUTH + | |
923 | compound_decode_hdr_maxsz + | |
924 | decode_sequence_maxsz) * | |
925 | XDR_UNIT); | |
926 | EXPORT_SYMBOL_GPL(nfs41_maxgetdevinfo_overhead); | |
99fe60d0 | 927 | #endif /* CONFIG_NFS_V4_1 */ |
1da177e4 | 928 | |
bca79478 TM |
929 | static const umode_t nfs_type2fmt[] = { |
930 | [NF4BAD] = 0, | |
931 | [NF4REG] = S_IFREG, | |
932 | [NF4DIR] = S_IFDIR, | |
933 | [NF4BLK] = S_IFBLK, | |
934 | [NF4CHR] = S_IFCHR, | |
935 | [NF4LNK] = S_IFLNK, | |
936 | [NF4SOCK] = S_IFSOCK, | |
937 | [NF4FIFO] = S_IFIFO, | |
938 | [NF4ATTRDIR] = 0, | |
939 | [NF4NAMEDATTR] = 0, | |
1da177e4 LT |
940 | }; |
941 | ||
942 | struct compound_hdr { | |
943 | int32_t status; | |
944 | uint32_t nops; | |
d017931c | 945 | __be32 * nops_p; |
1da177e4 LT |
946 | uint32_t taglen; |
947 | char * tag; | |
0c4e8c18 | 948 | uint32_t replen; /* expected reply words */ |
66cc0429 | 949 | u32 minorversion; |
1da177e4 LT |
950 | }; |
951 | ||
13c65ce9 BH |
952 | static __be32 *reserve_space(struct xdr_stream *xdr, size_t nbytes) |
953 | { | |
954 | __be32 *p = xdr_reserve_space(xdr, nbytes); | |
955 | BUG_ON(!p); | |
956 | return p; | |
957 | } | |
1da177e4 | 958 | |
cb17e556 TM |
959 | static void encode_opaque_fixed(struct xdr_stream *xdr, const void *buf, size_t len) |
960 | { | |
ab6e9aaf | 961 | WARN_ON_ONCE(xdr_stream_encode_opaque_fixed(xdr, buf, len) < 0); |
cb17e556 TM |
962 | } |
963 | ||
1da177e4 LT |
964 | static void encode_string(struct xdr_stream *xdr, unsigned int len, const char *str) |
965 | { | |
ab6e9aaf | 966 | WARN_ON_ONCE(xdr_stream_encode_opaque(xdr, str, len) < 0); |
1da177e4 LT |
967 | } |
968 | ||
4ade9821 TM |
969 | static void encode_uint32(struct xdr_stream *xdr, u32 n) |
970 | { | |
ab6e9aaf | 971 | WARN_ON_ONCE(xdr_stream_encode_u32(xdr, n) < 0); |
4ade9821 TM |
972 | } |
973 | ||
ff2eb681 TM |
974 | static void encode_uint64(struct xdr_stream *xdr, u64 n) |
975 | { | |
ab6e9aaf | 976 | WARN_ON_ONCE(xdr_stream_encode_u64(xdr, n) < 0); |
ff2eb681 TM |
977 | } |
978 | ||
37c88763 TM |
979 | static ssize_t xdr_encode_bitmap4(struct xdr_stream *xdr, |
980 | const __u32 *bitmap, size_t len) | |
981 | { | |
982 | ssize_t ret; | |
983 | ||
984 | /* Trim empty words */ | |
985 | while (len > 0 && bitmap[len-1] == 0) | |
986 | len--; | |
987 | ret = xdr_stream_encode_uint32_array(xdr, bitmap, len); | |
988 | if (WARN_ON_ONCE(ret < 0)) | |
989 | return ret; | |
990 | return len; | |
991 | } | |
992 | ||
993 | static size_t mask_bitmap4(const __u32 *bitmap, const __u32 *mask, | |
994 | __u32 *res, size_t len) | |
995 | { | |
996 | size_t i; | |
997 | __u32 tmp; | |
998 | ||
999 | while (len > 0 && (bitmap[len-1] == 0 || mask[len-1] == 0)) | |
1000 | len--; | |
1001 | for (i = len; i-- > 0;) { | |
1002 | tmp = bitmap[i] & mask[i]; | |
1003 | res[i] = tmp; | |
1004 | } | |
1005 | return len; | |
1006 | } | |
1007 | ||
4ade9821 TM |
1008 | static void encode_nfs4_seqid(struct xdr_stream *xdr, |
1009 | const struct nfs_seqid *seqid) | |
1010 | { | |
a6796419 TM |
1011 | if (seqid != NULL) |
1012 | encode_uint32(xdr, seqid->sequence->counter); | |
1013 | else | |
1014 | encode_uint32(xdr, 0); | |
4ade9821 TM |
1015 | } |
1016 | ||
0c4e8c18 BH |
1017 | static void encode_compound_hdr(struct xdr_stream *xdr, |
1018 | struct rpc_rqst *req, | |
1019 | struct compound_hdr *hdr) | |
1da177e4 | 1020 | { |
8687b63a | 1021 | __be32 *p; |
0c4e8c18 BH |
1022 | |
1023 | /* initialize running count of expected bytes in reply. | |
1024 | * NOTE: the replied tag SHOULD be the same is the one sent, | |
1025 | * but this is not required as a MUST for the server to do so. */ | |
cf500bac | 1026 | hdr->replen = 3 + hdr->taglen; |
1da177e4 | 1027 | |
7fc38846 | 1028 | WARN_ON_ONCE(hdr->taglen > NFS4_MAXTAGLEN); |
6fdfb0bc TM |
1029 | encode_string(xdr, hdr->taglen, hdr->tag); |
1030 | p = reserve_space(xdr, 8); | |
e75bc1c8 | 1031 | *p++ = cpu_to_be32(hdr->minorversion); |
d017931c | 1032 | hdr->nops_p = p; |
34558513 | 1033 | *p = cpu_to_be32(hdr->nops); |
d017931c AA |
1034 | } |
1035 | ||
ab19b481 TM |
1036 | static void encode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 op, |
1037 | uint32_t replen, | |
1038 | struct compound_hdr *hdr) | |
1039 | { | |
1040 | encode_uint32(xdr, op); | |
1041 | hdr->nops++; | |
1042 | hdr->replen += replen; | |
1043 | } | |
1044 | ||
d017931c AA |
1045 | static void encode_nops(struct compound_hdr *hdr) |
1046 | { | |
7fc38846 | 1047 | WARN_ON_ONCE(hdr->nops > NFS4_MAX_OPS); |
d017931c | 1048 | *hdr->nops_p = htonl(hdr->nops); |
1da177e4 LT |
1049 | } |
1050 | ||
ea9d23f5 TM |
1051 | static void encode_nfs4_stateid(struct xdr_stream *xdr, const nfs4_stateid *stateid) |
1052 | { | |
2d2f24ad | 1053 | encode_opaque_fixed(xdr, stateid, NFS4_STATEID_SIZE); |
ea9d23f5 TM |
1054 | } |
1055 | ||
1da177e4 LT |
1056 | static void encode_nfs4_verifier(struct xdr_stream *xdr, const nfs4_verifier *verf) |
1057 | { | |
cb17e556 | 1058 | encode_opaque_fixed(xdr, verf->data, NFS4_VERIFIER_SIZE); |
1da177e4 LT |
1059 | } |
1060 | ||
36b3743f TM |
1061 | static __be32 * |
1062 | xdr_encode_nfstime4(__be32 *p, const struct timespec *t) | |
1063 | { | |
1064 | p = xdr_encode_hyper(p, (__s64)t->tv_sec); | |
1065 | *p++ = cpu_to_be32(t->tv_nsec); | |
1066 | return p; | |
1067 | } | |
1068 | ||
aa9c2669 DQ |
1069 | static void encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, |
1070 | const struct nfs4_label *label, | |
28cf22d0 | 1071 | const umode_t *umask, |
5334c5bd | 1072 | const struct nfs_server *server, |
28cf22d0 | 1073 | const uint32_t attrmask[]) |
1da177e4 | 1074 | { |
95582b00 | 1075 | struct timespec ts; |
1da177e4 LT |
1076 | char owner_name[IDMAP_NAMESZ]; |
1077 | char owner_group[IDMAP_NAMESZ]; | |
1078 | int owner_namelen = 0; | |
1079 | int owner_grouplen = 0; | |
8687b63a | 1080 | __be32 *p; |
d7067b2d | 1081 | uint32_t len = 0; |
d7067b2d | 1082 | uint32_t bmval[3] = { 0 }; |
1da177e4 LT |
1083 | |
1084 | /* | |
1085 | * We reserve enough space to write the entire attribute buffer at once. | |
1da177e4 | 1086 | */ |
28cf22d0 | 1087 | if ((iap->ia_valid & ATTR_SIZE) && (attrmask[0] & FATTR4_WORD0_SIZE)) { |
d7067b2d | 1088 | bmval[0] |= FATTR4_WORD0_SIZE; |
1da177e4 | 1089 | len += 8; |
d7067b2d TM |
1090 | } |
1091 | if (iap->ia_valid & ATTR_MODE) { | |
28cf22d0 | 1092 | if (umask && (attrmask[2] & FATTR4_WORD2_MODE_UMASK)) { |
dff25ddb AG |
1093 | bmval[2] |= FATTR4_WORD2_MODE_UMASK; |
1094 | len += 8; | |
28cf22d0 | 1095 | } else if (attrmask[1] & FATTR4_WORD1_MODE) { |
dff25ddb AG |
1096 | bmval[1] |= FATTR4_WORD1_MODE; |
1097 | len += 4; | |
1098 | } | |
d7067b2d | 1099 | } |
28cf22d0 | 1100 | if ((iap->ia_valid & ATTR_UID) && (attrmask[1] & FATTR4_WORD1_OWNER)) { |
e4fd72a1 | 1101 | owner_namelen = nfs_map_uid_to_name(server, iap->ia_uid, owner_name, IDMAP_NAMESZ); |
1da177e4 | 1102 | if (owner_namelen < 0) { |
fe82a183 | 1103 | dprintk("nfs: couldn't resolve uid %d to string\n", |
e5782076 | 1104 | from_kuid(&init_user_ns, iap->ia_uid)); |
1da177e4 LT |
1105 | /* XXX */ |
1106 | strcpy(owner_name, "nobody"); | |
1107 | owner_namelen = sizeof("nobody") - 1; | |
1108 | /* goto out; */ | |
1109 | } | |
d7067b2d | 1110 | bmval[1] |= FATTR4_WORD1_OWNER; |
1da177e4 LT |
1111 | len += 4 + (XDR_QUADLEN(owner_namelen) << 2); |
1112 | } | |
28cf22d0 TM |
1113 | if ((iap->ia_valid & ATTR_GID) && |
1114 | (attrmask[1] & FATTR4_WORD1_OWNER_GROUP)) { | |
e4fd72a1 | 1115 | owner_grouplen = nfs_map_gid_to_group(server, iap->ia_gid, owner_group, IDMAP_NAMESZ); |
1da177e4 | 1116 | if (owner_grouplen < 0) { |
fe82a183 | 1117 | dprintk("nfs: couldn't resolve gid %d to string\n", |
e5782076 | 1118 | from_kgid(&init_user_ns, iap->ia_gid)); |
1da177e4 LT |
1119 | strcpy(owner_group, "nobody"); |
1120 | owner_grouplen = sizeof("nobody") - 1; | |
1121 | /* goto out; */ | |
1122 | } | |
d7067b2d | 1123 | bmval[1] |= FATTR4_WORD1_OWNER_GROUP; |
1da177e4 LT |
1124 | len += 4 + (XDR_QUADLEN(owner_grouplen) << 2); |
1125 | } | |
28cf22d0 TM |
1126 | if (attrmask[1] & FATTR4_WORD1_TIME_ACCESS_SET) { |
1127 | if (iap->ia_valid & ATTR_ATIME_SET) { | |
1128 | bmval[1] |= FATTR4_WORD1_TIME_ACCESS_SET; | |
36b3743f | 1129 | len += 4 + (nfstime4_maxsz << 2); |
28cf22d0 TM |
1130 | } else if (iap->ia_valid & ATTR_ATIME) { |
1131 | bmval[1] |= FATTR4_WORD1_TIME_ACCESS_SET; | |
1132 | len += 4; | |
1133 | } | |
d7067b2d | 1134 | } |
28cf22d0 TM |
1135 | if (attrmask[1] & FATTR4_WORD1_TIME_MODIFY_SET) { |
1136 | if (iap->ia_valid & ATTR_MTIME_SET) { | |
1137 | bmval[1] |= FATTR4_WORD1_TIME_MODIFY_SET; | |
36b3743f | 1138 | len += 4 + (nfstime4_maxsz << 2); |
28cf22d0 TM |
1139 | } else if (iap->ia_valid & ATTR_MTIME) { |
1140 | bmval[1] |= FATTR4_WORD1_TIME_MODIFY_SET; | |
1141 | len += 4; | |
1142 | } | |
5334c5bd KM |
1143 | } |
1144 | ||
28cf22d0 | 1145 | if (label && (attrmask[2] & FATTR4_WORD2_SECURITY_LABEL)) { |
b4a2cf76 | 1146 | len += 4 + 4 + 4 + (XDR_QUADLEN(label->len) << 2); |
d7067b2d | 1147 | bmval[2] |= FATTR4_WORD2_SECURITY_LABEL; |
b4a2cf76 TM |
1148 | } |
1149 | ||
40a3426c TM |
1150 | xdr_encode_bitmap4(xdr, bmval, ARRAY_SIZE(bmval)); |
1151 | xdr_stream_encode_opaque_inline(xdr, (void **)&p, len); | |
1da177e4 | 1152 | |
d7067b2d | 1153 | if (bmval[0] & FATTR4_WORD0_SIZE) |
b95be5a9 | 1154 | p = xdr_encode_hyper(p, iap->ia_size); |
d7067b2d | 1155 | if (bmval[1] & FATTR4_WORD1_MODE) |
e75bc1c8 | 1156 | *p++ = cpu_to_be32(iap->ia_mode & S_IALLUGO); |
d7067b2d | 1157 | if (bmval[1] & FATTR4_WORD1_OWNER) |
811652bd | 1158 | p = xdr_encode_opaque(p, owner_name, owner_namelen); |
d7067b2d | 1159 | if (bmval[1] & FATTR4_WORD1_OWNER_GROUP) |
811652bd | 1160 | p = xdr_encode_opaque(p, owner_group, owner_grouplen); |
d7067b2d TM |
1161 | if (bmval[1] & FATTR4_WORD1_TIME_ACCESS_SET) { |
1162 | if (iap->ia_valid & ATTR_ATIME_SET) { | |
1163 | *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); | |
95582b00 DD |
1164 | ts = timespec64_to_timespec(iap->ia_atime); |
1165 | p = xdr_encode_nfstime4(p, &ts); | |
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); | |
95582b00 DD |
1172 | ts = timespec64_to_timespec(iap->ia_mtime); |
1173 | p = xdr_encode_nfstime4(p, &ts); | |
d7067b2d TM |
1174 | } else |
1175 | *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); | |
1da177e4 | 1176 | } |
e2751463 | 1177 | if (label && (bmval[2] & FATTR4_WORD2_SECURITY_LABEL)) { |
aa9c2669 DQ |
1178 | *p++ = cpu_to_be32(label->lfs); |
1179 | *p++ = cpu_to_be32(label->pi); | |
1180 | *p++ = cpu_to_be32(label->len); | |
1181 | p = xdr_encode_opaque_fixed(p, label->label, label->len); | |
1182 | } | |
dff25ddb AG |
1183 | if (bmval[2] & FATTR4_WORD2_MODE_UMASK) { |
1184 | *p++ = cpu_to_be32(iap->ia_mode & S_IALLUGO); | |
1185 | *p++ = cpu_to_be32(*umask); | |
1186 | } | |
6c0195a4 | 1187 | |
1da177e4 | 1188 | /* out: */ |
1da177e4 LT |
1189 | } |
1190 | ||
cf8cdbe5 | 1191 | static void encode_access(struct xdr_stream *xdr, u32 access, struct compound_hdr *hdr) |
1da177e4 | 1192 | { |
475d4ba0 TM |
1193 | encode_op_hdr(xdr, OP_ACCESS, decode_access_maxsz, hdr); |
1194 | encode_uint32(xdr, access); | |
1da177e4 LT |
1195 | } |
1196 | ||
cf8cdbe5 | 1197 | static void encode_close(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1198 | { |
ab19b481 | 1199 | encode_op_hdr(xdr, OP_CLOSE, decode_close_maxsz, hdr); |
4ade9821 | 1200 | encode_nfs4_seqid(xdr, arg->seqid); |
566fcec6 | 1201 | encode_nfs4_stateid(xdr, &arg->stateid); |
1da177e4 LT |
1202 | } |
1203 | ||
0b7c0153 | 1204 | static void encode_commit(struct xdr_stream *xdr, const struct nfs_commitargs *args, struct compound_hdr *hdr) |
1da177e4 | 1205 | { |
8687b63a | 1206 | __be32 *p; |
6c0195a4 | 1207 | |
475d4ba0 TM |
1208 | encode_op_hdr(xdr, OP_COMMIT, decode_commit_maxsz, hdr); |
1209 | p = reserve_space(xdr, 12); | |
b95be5a9 | 1210 | p = xdr_encode_hyper(p, args->offset); |
34558513 | 1211 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1212 | } |
1213 | ||
cf8cdbe5 | 1214 | static void encode_create(struct xdr_stream *xdr, const struct nfs4_create_arg *create, struct compound_hdr *hdr) |
1da177e4 | 1215 | { |
8687b63a | 1216 | __be32 *p; |
6c0195a4 | 1217 | |
475d4ba0 TM |
1218 | encode_op_hdr(xdr, OP_CREATE, decode_create_maxsz, hdr); |
1219 | encode_uint32(xdr, create->ftype); | |
1da177e4 LT |
1220 | |
1221 | switch (create->ftype) { | |
1222 | case NF4LNK: | |
13c65ce9 | 1223 | p = reserve_space(xdr, 4); |
34558513 | 1224 | *p = cpu_to_be32(create->u.symlink.len); |
2fcc213a CL |
1225 | xdr_write_pages(xdr, create->u.symlink.pages, 0, |
1226 | create->u.symlink.len); | |
1227 | xdr->buf->flags |= XDRBUF_WRITE; | |
1da177e4 LT |
1228 | break; |
1229 | ||
1230 | case NF4BLK: case NF4CHR: | |
13c65ce9 | 1231 | p = reserve_space(xdr, 8); |
e75bc1c8 | 1232 | *p++ = cpu_to_be32(create->u.device.specdata1); |
34558513 | 1233 | *p = cpu_to_be32(create->u.device.specdata2); |
1da177e4 LT |
1234 | break; |
1235 | ||
1236 | default: | |
1237 | break; | |
1238 | } | |
1239 | ||
811652bd | 1240 | encode_string(xdr, create->name->len, create->name->name); |
28cf22d0 TM |
1241 | encode_attrs(xdr, create->attrs, create->label, &create->umask, |
1242 | create->server, create->server->attr_bitmask); | |
1da177e4 LT |
1243 | } |
1244 | ||
37c88763 TM |
1245 | static void encode_getattr(struct xdr_stream *xdr, |
1246 | const __u32 *bitmap, const __u32 *mask, size_t len, | |
1247 | struct compound_hdr *hdr) | |
dae100c2 | 1248 | { |
37c88763 | 1249 | __u32 masked_bitmap[nfs4_fattr_bitmap_maxsz]; |
dae100c2 | 1250 | |
ab19b481 | 1251 | encode_op_hdr(xdr, OP_GETATTR, decode_getattr_maxsz, hdr); |
37c88763 TM |
1252 | if (mask) { |
1253 | if (WARN_ON_ONCE(len > ARRAY_SIZE(masked_bitmap))) | |
1254 | len = ARRAY_SIZE(masked_bitmap); | |
1255 | len = mask_bitmap4(bitmap, mask, masked_bitmap, len); | |
1256 | bitmap = masked_bitmap; | |
dae100c2 | 1257 | } |
37c88763 | 1258 | xdr_encode_bitmap4(xdr, bitmap, len); |
dae100c2 FI |
1259 | } |
1260 | ||
cf8cdbe5 | 1261 | static void encode_getfattr(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
1da177e4 | 1262 | { |
37c88763 TM |
1263 | encode_getattr(xdr, nfs4_fattr_bitmap, bitmask, |
1264 | ARRAY_SIZE(nfs4_fattr_bitmap), hdr); | |
1da177e4 LT |
1265 | } |
1266 | ||
88034c3d | 1267 | static void encode_getfattr_open(struct xdr_stream *xdr, const u32 *bitmask, |
1549210f | 1268 | const u32 *open_bitmap, |
88034c3d AA |
1269 | struct compound_hdr *hdr) |
1270 | { | |
37c88763 | 1271 | encode_getattr(xdr, open_bitmap, bitmask, 3, hdr); |
88034c3d AA |
1272 | } |
1273 | ||
cf8cdbe5 | 1274 | static void encode_fsinfo(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
1da177e4 | 1275 | { |
37c88763 TM |
1276 | encode_getattr(xdr, nfs4_fsinfo_bitmap, bitmask, |
1277 | ARRAY_SIZE(nfs4_fsinfo_bitmap), hdr); | |
1da177e4 LT |
1278 | } |
1279 | ||
cf8cdbe5 | 1280 | static void encode_fs_locations(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
830b8e33 | 1281 | { |
37c88763 TM |
1282 | encode_getattr(xdr, nfs4_fs_locations_bitmap, bitmask, |
1283 | ARRAY_SIZE(nfs4_fs_locations_bitmap), hdr); | |
830b8e33 MN |
1284 | } |
1285 | ||
cf8cdbe5 | 1286 | static void encode_getfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1287 | { |
ab19b481 | 1288 | encode_op_hdr(xdr, OP_GETFH, decode_getfh_maxsz, hdr); |
1da177e4 LT |
1289 | } |
1290 | ||
cf8cdbe5 | 1291 | static void encode_link(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1292 | { |
ab19b481 | 1293 | encode_op_hdr(xdr, OP_LINK, decode_link_maxsz, hdr); |
6fdfb0bc | 1294 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1295 | } |
1296 | ||
911d1aaf TM |
1297 | static inline int nfs4_lock_type(struct file_lock *fl, int block) |
1298 | { | |
f44106e2 | 1299 | if (fl->fl_type == F_RDLCK) |
911d1aaf TM |
1300 | return block ? NFS4_READW_LT : NFS4_READ_LT; |
1301 | return block ? NFS4_WRITEW_LT : NFS4_WRITE_LT; | |
1302 | } | |
1303 | ||
1304 | static inline uint64_t nfs4_lock_length(struct file_lock *fl) | |
1305 | { | |
1306 | if (fl->fl_end == OFFSET_MAX) | |
1307 | return ~(uint64_t)0; | |
1308 | return fl->fl_end - fl->fl_start + 1; | |
1309 | } | |
1310 | ||
daccbded TM |
1311 | static void encode_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner) |
1312 | { | |
1313 | __be32 *p; | |
1314 | ||
d035c36c | 1315 | p = reserve_space(xdr, 32); |
daccbded | 1316 | p = xdr_encode_hyper(p, lowner->clientid); |
d035c36c | 1317 | *p++ = cpu_to_be32(20); |
daccbded | 1318 | p = xdr_encode_opaque_fixed(p, "lock id:", 8); |
d035c36c | 1319 | *p++ = cpu_to_be32(lowner->s_dev); |
daccbded TM |
1320 | xdr_encode_hyper(p, lowner->id); |
1321 | } | |
1322 | ||
1da177e4 LT |
1323 | /* |
1324 | * opcode,type,reclaim,offset,length,new_lock_owner = 32 | |
1325 | * open_seqid,open_stateid,lock_seqid,lock_owner.clientid, lock_owner.id = 40 | |
1326 | */ | |
cf8cdbe5 | 1327 | static void encode_lock(struct xdr_stream *xdr, const struct nfs_lock_args *args, struct compound_hdr *hdr) |
1da177e4 | 1328 | { |
8687b63a | 1329 | __be32 *p; |
1da177e4 | 1330 | |
475d4ba0 TM |
1331 | encode_op_hdr(xdr, OP_LOCK, decode_lock_maxsz, hdr); |
1332 | p = reserve_space(xdr, 28); | |
e75bc1c8 BH |
1333 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, args->block)); |
1334 | *p++ = cpu_to_be32(args->reclaim); | |
b95be5a9 BH |
1335 | p = xdr_encode_hyper(p, args->fl->fl_start); |
1336 | p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); | |
34558513 | 1337 | *p = cpu_to_be32(args->new_lock_owner); |
911d1aaf | 1338 | if (args->new_lock_owner){ |
4ade9821 | 1339 | encode_nfs4_seqid(xdr, args->open_seqid); |
425c1d4e | 1340 | encode_nfs4_stateid(xdr, &args->open_stateid); |
4ade9821 | 1341 | encode_nfs4_seqid(xdr, args->lock_seqid); |
daccbded | 1342 | encode_lockowner(xdr, &args->lock_owner); |
1da177e4 LT |
1343 | } |
1344 | else { | |
425c1d4e | 1345 | encode_nfs4_stateid(xdr, &args->lock_stateid); |
4ade9821 | 1346 | encode_nfs4_seqid(xdr, args->lock_seqid); |
1da177e4 | 1347 | } |
1da177e4 LT |
1348 | } |
1349 | ||
cf8cdbe5 | 1350 | static void encode_lockt(struct xdr_stream *xdr, const struct nfs_lockt_args *args, struct compound_hdr *hdr) |
1da177e4 | 1351 | { |
8687b63a | 1352 | __be32 *p; |
1da177e4 | 1353 | |
475d4ba0 TM |
1354 | encode_op_hdr(xdr, OP_LOCKT, decode_lockt_maxsz, hdr); |
1355 | p = reserve_space(xdr, 20); | |
e75bc1c8 | 1356 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, 0)); |
b95be5a9 BH |
1357 | p = xdr_encode_hyper(p, args->fl->fl_start); |
1358 | p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); | |
daccbded | 1359 | encode_lockowner(xdr, &args->lock_owner); |
1da177e4 LT |
1360 | } |
1361 | ||
cf8cdbe5 | 1362 | static void encode_locku(struct xdr_stream *xdr, const struct nfs_locku_args *args, struct compound_hdr *hdr) |
1da177e4 | 1363 | { |
8687b63a | 1364 | __be32 *p; |
1da177e4 | 1365 | |
475d4ba0 TM |
1366 | encode_op_hdr(xdr, OP_LOCKU, decode_locku_maxsz, hdr); |
1367 | encode_uint32(xdr, nfs4_lock_type(args->fl, 0)); | |
4ade9821 | 1368 | encode_nfs4_seqid(xdr, args->seqid); |
425c1d4e | 1369 | encode_nfs4_stateid(xdr, &args->stateid); |
ea9d23f5 | 1370 | p = reserve_space(xdr, 16); |
b95be5a9 | 1371 | p = xdr_encode_hyper(p, args->fl->fl_start); |
34558513 | 1372 | xdr_encode_hyper(p, nfs4_lock_length(args->fl)); |
1da177e4 LT |
1373 | } |
1374 | ||
d3c7b7cc TM |
1375 | static void encode_release_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner, struct compound_hdr *hdr) |
1376 | { | |
ab19b481 | 1377 | encode_op_hdr(xdr, OP_RELEASE_LOCKOWNER, decode_release_lockowner_maxsz, hdr); |
d3c7b7cc | 1378 | encode_lockowner(xdr, lowner); |
d3c7b7cc TM |
1379 | } |
1380 | ||
cf8cdbe5 | 1381 | static void encode_lookup(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1382 | { |
ab19b481 | 1383 | encode_op_hdr(xdr, OP_LOOKUP, decode_lookup_maxsz, hdr); |
6fdfb0bc | 1384 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1385 | } |
1386 | ||
5b5faaf6 JL |
1387 | static void encode_lookupp(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1388 | { | |
1389 | encode_op_hdr(xdr, OP_LOOKUPP, decode_lookupp_maxsz, hdr); | |
1390 | } | |
1391 | ||
6ae37339 | 1392 | static void encode_share_access(struct xdr_stream *xdr, u32 share_access) |
1da177e4 | 1393 | { |
8687b63a | 1394 | __be32 *p; |
1da177e4 | 1395 | |
13c65ce9 | 1396 | p = reserve_space(xdr, 8); |
6ae37339 | 1397 | *p++ = cpu_to_be32(share_access); |
34558513 | 1398 | *p = cpu_to_be32(0); /* for linux, share_deny = 0 always */ |
1da177e4 LT |
1399 | } |
1400 | ||
1401 | static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1402 | { | |
8687b63a | 1403 | __be32 *p; |
1da177e4 LT |
1404 | /* |
1405 | * opcode 4, seqid 4, share_access 4, share_deny 4, clientid 8, ownerlen 4, | |
1406 | * owner 4 = 32 | |
1407 | */ | |
4ade9821 | 1408 | encode_nfs4_seqid(xdr, arg->seqid); |
6ae37339 | 1409 | encode_share_access(xdr, arg->share_access); |
95b72eb0 | 1410 | p = reserve_space(xdr, 36); |
b95be5a9 | 1411 | p = xdr_encode_hyper(p, arg->clientid); |
95b72eb0 | 1412 | *p++ = cpu_to_be32(24); |
93f0cf25 | 1413 | p = xdr_encode_opaque_fixed(p, "open id:", 8); |
d035c36c | 1414 | *p++ = cpu_to_be32(arg->server->s_dev); |
95b72eb0 TM |
1415 | *p++ = cpu_to_be32(arg->id.uniquifier); |
1416 | xdr_encode_hyper(p, arg->id.create_time); | |
1da177e4 LT |
1417 | } |
1418 | ||
1419 | static inline void encode_createmode(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1420 | { | |
8687b63a | 1421 | __be32 *p; |
1da177e4 | 1422 | |
13c65ce9 | 1423 | p = reserve_space(xdr, 4); |
549b19cc TM |
1424 | switch(arg->createmode) { |
1425 | case NFS4_CREATE_UNCHECKED: | |
34558513 | 1426 | *p = cpu_to_be32(NFS4_CREATE_UNCHECKED); |
28cf22d0 TM |
1427 | encode_attrs(xdr, arg->u.attrs, arg->label, &arg->umask, |
1428 | arg->server, arg->server->attr_bitmask); | |
05d564fe | 1429 | break; |
549b19cc TM |
1430 | case NFS4_CREATE_GUARDED: |
1431 | *p = cpu_to_be32(NFS4_CREATE_GUARDED); | |
28cf22d0 TM |
1432 | encode_attrs(xdr, arg->u.attrs, arg->label, &arg->umask, |
1433 | arg->server, arg->server->attr_bitmask); | |
549b19cc TM |
1434 | break; |
1435 | case NFS4_CREATE_EXCLUSIVE: | |
1436 | *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE); | |
1437 | encode_nfs4_verifier(xdr, &arg->u.verifier); | |
1438 | break; | |
1439 | case NFS4_CREATE_EXCLUSIVE4_1: | |
1440 | *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE4_1); | |
1441 | encode_nfs4_verifier(xdr, &arg->u.verifier); | |
28cf22d0 TM |
1442 | encode_attrs(xdr, arg->u.attrs, arg->label, &arg->umask, |
1443 | arg->server, arg->server->exclcreat_bitmask); | |
1da177e4 LT |
1444 | } |
1445 | } | |
1446 | ||
1447 | static void encode_opentype(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1448 | { | |
8687b63a | 1449 | __be32 *p; |
1da177e4 | 1450 | |
13c65ce9 | 1451 | p = reserve_space(xdr, 4); |
1da177e4 | 1452 | switch (arg->open_flags & O_CREAT) { |
05d564fe | 1453 | case 0: |
34558513 | 1454 | *p = cpu_to_be32(NFS4_OPEN_NOCREATE); |
05d564fe AA |
1455 | break; |
1456 | default: | |
34558513 | 1457 | *p = cpu_to_be32(NFS4_OPEN_CREATE); |
05d564fe | 1458 | encode_createmode(xdr, arg); |
1da177e4 LT |
1459 | } |
1460 | } | |
1461 | ||
bd7bf9d5 | 1462 | static inline void encode_delegation_type(struct xdr_stream *xdr, fmode_t delegation_type) |
1da177e4 | 1463 | { |
8687b63a | 1464 | __be32 *p; |
1da177e4 | 1465 | |
13c65ce9 | 1466 | p = reserve_space(xdr, 4); |
1da177e4 | 1467 | switch (delegation_type) { |
05d564fe | 1468 | case 0: |
34558513 | 1469 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_NONE); |
05d564fe AA |
1470 | break; |
1471 | case FMODE_READ: | |
34558513 | 1472 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_READ); |
05d564fe AA |
1473 | break; |
1474 | case FMODE_WRITE|FMODE_READ: | |
34558513 | 1475 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_WRITE); |
05d564fe AA |
1476 | break; |
1477 | default: | |
1478 | BUG(); | |
1da177e4 LT |
1479 | } |
1480 | } | |
1481 | ||
1482 | static inline void encode_claim_null(struct xdr_stream *xdr, const struct qstr *name) | |
1483 | { | |
8687b63a | 1484 | __be32 *p; |
1da177e4 | 1485 | |
13c65ce9 | 1486 | p = reserve_space(xdr, 4); |
34558513 | 1487 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_NULL); |
1da177e4 LT |
1488 | encode_string(xdr, name->len, name->name); |
1489 | } | |
1490 | ||
bd7bf9d5 | 1491 | static inline void encode_claim_previous(struct xdr_stream *xdr, fmode_t type) |
1da177e4 | 1492 | { |
8687b63a | 1493 | __be32 *p; |
1da177e4 | 1494 | |
13c65ce9 | 1495 | p = reserve_space(xdr, 4); |
34558513 | 1496 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_PREVIOUS); |
1da177e4 LT |
1497 | encode_delegation_type(xdr, type); |
1498 | } | |
1499 | ||
1500 | static inline void encode_claim_delegate_cur(struct xdr_stream *xdr, const struct qstr *name, const nfs4_stateid *stateid) | |
1501 | { | |
8687b63a | 1502 | __be32 *p; |
1da177e4 | 1503 | |
ea9d23f5 TM |
1504 | p = reserve_space(xdr, 4); |
1505 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_DELEGATE_CUR); | |
1506 | encode_nfs4_stateid(xdr, stateid); | |
1da177e4 LT |
1507 | encode_string(xdr, name->len, name->name); |
1508 | } | |
1509 | ||
d9fc6619 TM |
1510 | static inline void encode_claim_fh(struct xdr_stream *xdr) |
1511 | { | |
1512 | __be32 *p; | |
1513 | ||
1514 | p = reserve_space(xdr, 4); | |
1515 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_FH); | |
1516 | } | |
1517 | ||
1518 | static inline void encode_claim_delegate_cur_fh(struct xdr_stream *xdr, const nfs4_stateid *stateid) | |
1519 | { | |
1520 | __be32 *p; | |
1521 | ||
1522 | p = reserve_space(xdr, 4); | |
1523 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_DELEG_CUR_FH); | |
1524 | encode_nfs4_stateid(xdr, stateid); | |
1525 | } | |
1526 | ||
cf8cdbe5 | 1527 | static void encode_open(struct xdr_stream *xdr, const struct nfs_openargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1528 | { |
ab19b481 | 1529 | encode_op_hdr(xdr, OP_OPEN, decode_open_maxsz, hdr); |
1da177e4 LT |
1530 | encode_openhdr(xdr, arg); |
1531 | encode_opentype(xdr, arg); | |
1532 | switch (arg->claim) { | |
05d564fe AA |
1533 | case NFS4_OPEN_CLAIM_NULL: |
1534 | encode_claim_null(xdr, arg->name); | |
1535 | break; | |
1536 | case NFS4_OPEN_CLAIM_PREVIOUS: | |
1537 | encode_claim_previous(xdr, arg->u.delegation_type); | |
1538 | break; | |
1539 | case NFS4_OPEN_CLAIM_DELEGATE_CUR: | |
1540 | encode_claim_delegate_cur(xdr, arg->name, &arg->u.delegation); | |
1541 | break; | |
d9fc6619 TM |
1542 | case NFS4_OPEN_CLAIM_FH: |
1543 | encode_claim_fh(xdr); | |
1544 | break; | |
1545 | case NFS4_OPEN_CLAIM_DELEG_CUR_FH: | |
1546 | encode_claim_delegate_cur_fh(xdr, &arg->u.delegation); | |
1547 | break; | |
05d564fe AA |
1548 | default: |
1549 | BUG(); | |
1da177e4 | 1550 | } |
1da177e4 LT |
1551 | } |
1552 | ||
cf8cdbe5 | 1553 | static void encode_open_confirm(struct xdr_stream *xdr, const struct nfs_open_confirmargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1554 | { |
ab19b481 | 1555 | encode_op_hdr(xdr, OP_OPEN_CONFIRM, decode_open_confirm_maxsz, hdr); |
ea9d23f5 | 1556 | encode_nfs4_stateid(xdr, arg->stateid); |
4ade9821 | 1557 | encode_nfs4_seqid(xdr, arg->seqid); |
1da177e4 LT |
1558 | } |
1559 | ||
cf8cdbe5 | 1560 | static void encode_open_downgrade(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1561 | { |
ab19b481 | 1562 | encode_op_hdr(xdr, OP_OPEN_DOWNGRADE, decode_open_downgrade_maxsz, hdr); |
566fcec6 | 1563 | encode_nfs4_stateid(xdr, &arg->stateid); |
4ade9821 | 1564 | encode_nfs4_seqid(xdr, arg->seqid); |
6ae37339 | 1565 | encode_share_access(xdr, arg->share_access); |
1da177e4 LT |
1566 | } |
1567 | ||
cf8cdbe5 | 1568 | static void |
d017931c | 1569 | encode_putfh(struct xdr_stream *xdr, const struct nfs_fh *fh, struct compound_hdr *hdr) |
1da177e4 | 1570 | { |
ab19b481 | 1571 | encode_op_hdr(xdr, OP_PUTFH, decode_putfh_maxsz, hdr); |
6fdfb0bc | 1572 | encode_string(xdr, fh->size, fh->data); |
1da177e4 LT |
1573 | } |
1574 | ||
cf8cdbe5 | 1575 | static void encode_putrootfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1576 | { |
ab19b481 | 1577 | encode_op_hdr(xdr, OP_PUTROOTFH, decode_putrootfh_maxsz, hdr); |
1da177e4 LT |
1578 | } |
1579 | ||
3c6b899c AS |
1580 | static void encode_read(struct xdr_stream *xdr, const struct nfs_pgio_args *args, |
1581 | struct compound_hdr *hdr) | |
1da177e4 | 1582 | { |
8687b63a | 1583 | __be32 *p; |
1da177e4 | 1584 | |
ab19b481 | 1585 | encode_op_hdr(xdr, OP_READ, decode_read_maxsz, hdr); |
9b206149 | 1586 | encode_nfs4_stateid(xdr, &args->stateid); |
1da177e4 | 1587 | |
13c65ce9 | 1588 | p = reserve_space(xdr, 12); |
b95be5a9 | 1589 | p = xdr_encode_hyper(p, args->offset); |
34558513 | 1590 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1591 | } |
1592 | ||
cf8cdbe5 | 1593 | static void encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg *readdir, struct rpc_rqst *req, struct compound_hdr *hdr) |
1da177e4 | 1594 | { |
aa9c2669 | 1595 | uint32_t attrs[3] = { |
28331a46 TM |
1596 | FATTR4_WORD0_RDATTR_ERROR, |
1597 | FATTR4_WORD1_MOUNTED_ON_FILEID, | |
1598 | }; | |
6f7a35bd | 1599 | uint32_t dircount = readdir->count >> 1; |
cd93710e | 1600 | __be32 *p, verf[2]; |
d204c5d2 TM |
1601 | uint32_t attrlen = 0; |
1602 | unsigned int i; | |
1da177e4 | 1603 | |
82f2e547 BS |
1604 | if (readdir->plus) { |
1605 | attrs[0] |= FATTR4_WORD0_TYPE|FATTR4_WORD0_CHANGE|FATTR4_WORD0_SIZE| | |
28331a46 | 1606 | FATTR4_WORD0_FSID|FATTR4_WORD0_FILEHANDLE|FATTR4_WORD0_FILEID; |
82f2e547 BS |
1607 | attrs[1] |= FATTR4_WORD1_MODE|FATTR4_WORD1_NUMLINKS|FATTR4_WORD1_OWNER| |
1608 | FATTR4_WORD1_OWNER_GROUP|FATTR4_WORD1_RAWDEV| | |
1609 | FATTR4_WORD1_SPACE_USED|FATTR4_WORD1_TIME_ACCESS| | |
1610 | FATTR4_WORD1_TIME_METADATA|FATTR4_WORD1_TIME_MODIFY; | |
d204c5d2 | 1611 | attrs[2] |= FATTR4_WORD2_SECURITY_LABEL; |
6f7a35bd | 1612 | dircount >>= 1; |
82f2e547 | 1613 | } |
28331a46 TM |
1614 | /* Use mounted_on_fileid only if the server supports it */ |
1615 | if (!(readdir->bitmask[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) | |
1616 | attrs[0] |= FATTR4_WORD0_FILEID; | |
d204c5d2 TM |
1617 | for (i = 0; i < ARRAY_SIZE(attrs); i++) { |
1618 | attrs[i] &= readdir->bitmask[i]; | |
1619 | if (attrs[i] != 0) | |
1620 | attrlen = i+1; | |
1621 | } | |
82f2e547 | 1622 | |
475d4ba0 | 1623 | encode_op_hdr(xdr, OP_READDIR, decode_readdir_maxsz, hdr); |
ff2eb681 | 1624 | encode_uint64(xdr, readdir->cookie); |
cd93710e | 1625 | encode_nfs4_verifier(xdr, &readdir->verifier); |
d204c5d2 | 1626 | p = reserve_space(xdr, 12 + (attrlen << 2)); |
6f7a35bd | 1627 | *p++ = cpu_to_be32(dircount); |
e75bc1c8 | 1628 | *p++ = cpu_to_be32(readdir->count); |
d204c5d2 TM |
1629 | *p++ = cpu_to_be32(attrlen); |
1630 | for (i = 0; i < attrlen; i++) | |
1631 | *p++ = cpu_to_be32(attrs[i]); | |
cd93710e | 1632 | memcpy(verf, readdir->verifier.data, sizeof(verf)); |
aa9c2669 DQ |
1633 | |
1634 | dprintk("%s: cookie = %llu, verifier = %08x:%08x, bitmap = %08x:%08x:%08x\n", | |
44109241 | 1635 | __func__, |
eadf4598 | 1636 | (unsigned long long)readdir->cookie, |
cd93710e | 1637 | verf[0], verf[1], |
eadf4598 | 1638 | attrs[0] & readdir->bitmask[0], |
aa9c2669 DQ |
1639 | attrs[1] & readdir->bitmask[1], |
1640 | attrs[2] & readdir->bitmask[2]); | |
1da177e4 LT |
1641 | } |
1642 | ||
cf8cdbe5 | 1643 | static void encode_readlink(struct xdr_stream *xdr, const struct nfs4_readlink *readlink, struct rpc_rqst *req, struct compound_hdr *hdr) |
1da177e4 | 1644 | { |
ab19b481 | 1645 | encode_op_hdr(xdr, OP_READLINK, decode_readlink_maxsz, hdr); |
1da177e4 LT |
1646 | } |
1647 | ||
cf8cdbe5 | 1648 | static void encode_remove(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1649 | { |
ab19b481 | 1650 | encode_op_hdr(xdr, OP_REMOVE, decode_remove_maxsz, hdr); |
6fdfb0bc | 1651 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1652 | } |
1653 | ||
cf8cdbe5 | 1654 | static void encode_rename(struct xdr_stream *xdr, const struct qstr *oldname, const struct qstr *newname, struct compound_hdr *hdr) |
1da177e4 | 1655 | { |
ab19b481 | 1656 | encode_op_hdr(xdr, OP_RENAME, decode_rename_maxsz, hdr); |
811652bd BH |
1657 | encode_string(xdr, oldname->len, oldname->name); |
1658 | encode_string(xdr, newname->len, newname->name); | |
1da177e4 LT |
1659 | } |
1660 | ||
bb4dae5e CL |
1661 | static void encode_renew(struct xdr_stream *xdr, clientid4 clid, |
1662 | struct compound_hdr *hdr) | |
1da177e4 | 1663 | { |
475d4ba0 | 1664 | encode_op_hdr(xdr, OP_RENEW, decode_renew_maxsz, hdr); |
ff2eb681 | 1665 | encode_uint64(xdr, clid); |
1da177e4 LT |
1666 | } |
1667 | ||
cf8cdbe5 | 1668 | static void |
d017931c | 1669 | encode_restorefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
56ae19f3 | 1670 | { |
ab19b481 | 1671 | encode_op_hdr(xdr, OP_RESTOREFH, decode_restorefh_maxsz, hdr); |
56ae19f3 TM |
1672 | } |
1673 | ||
9f06c719 | 1674 | static void |
fcc85819 CH |
1675 | encode_setacl(struct xdr_stream *xdr, const struct nfs_setaclargs *arg, |
1676 | struct compound_hdr *hdr) | |
23ec6965 | 1677 | { |
8687b63a | 1678 | __be32 *p; |
23ec6965 | 1679 | |
ab19b481 | 1680 | encode_op_hdr(xdr, OP_SETATTR, decode_setacl_maxsz, hdr); |
ea9d23f5 | 1681 | encode_nfs4_stateid(xdr, &zero_stateid); |
13c65ce9 | 1682 | p = reserve_space(xdr, 2*4); |
e75bc1c8 | 1683 | *p++ = cpu_to_be32(1); |
34558513 | 1684 | *p = cpu_to_be32(FATTR4_WORD0_ACL); |
13c65ce9 | 1685 | p = reserve_space(xdr, 4); |
34558513 | 1686 | *p = cpu_to_be32(arg->acl_len); |
8fbcf237 | 1687 | xdr_write_pages(xdr, arg->acl_pages, 0, arg->acl_len); |
23ec6965 BF |
1688 | } |
1689 | ||
cf8cdbe5 | 1690 | static void |
d017931c | 1691 | encode_savefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1692 | { |
ab19b481 | 1693 | encode_op_hdr(xdr, OP_SAVEFH, decode_savefh_maxsz, hdr); |
1da177e4 LT |
1694 | } |
1695 | ||
cf8cdbe5 | 1696 | static void encode_setattr(struct xdr_stream *xdr, const struct nfs_setattrargs *arg, const struct nfs_server *server, struct compound_hdr *hdr) |
1da177e4 | 1697 | { |
ab19b481 | 1698 | encode_op_hdr(xdr, OP_SETATTR, decode_setattr_maxsz, hdr); |
ea9d23f5 | 1699 | encode_nfs4_stateid(xdr, &arg->stateid); |
28cf22d0 TM |
1700 | encode_attrs(xdr, arg->iap, arg->label, NULL, server, |
1701 | server->attr_bitmask); | |
1da177e4 LT |
1702 | } |
1703 | ||
cf8cdbe5 | 1704 | static void encode_setclientid(struct xdr_stream *xdr, const struct nfs4_setclientid *setclientid, struct compound_hdr *hdr) |
1da177e4 | 1705 | { |
8687b63a | 1706 | __be32 *p; |
1da177e4 | 1707 | |
70019514 | 1708 | encode_op_hdr(xdr, OP_SETCLIENTID, decode_setclientid_maxsz, hdr); |
cd93710e | 1709 | encode_nfs4_verifier(xdr, setclientid->sc_verifier); |
1da177e4 | 1710 | |
3a6bb738 JL |
1711 | encode_string(xdr, strlen(setclientid->sc_clnt->cl_owner_id), |
1712 | setclientid->sc_clnt->cl_owner_id); | |
13c65ce9 | 1713 | p = reserve_space(xdr, 4); |
34558513 | 1714 | *p = cpu_to_be32(setclientid->sc_prog); |
1da177e4 LT |
1715 | encode_string(xdr, setclientid->sc_netid_len, setclientid->sc_netid); |
1716 | encode_string(xdr, setclientid->sc_uaddr_len, setclientid->sc_uaddr); | |
13c65ce9 | 1717 | p = reserve_space(xdr, 4); |
3a6bb738 | 1718 | *p = cpu_to_be32(setclientid->sc_clnt->cl_cb_ident); |
1da177e4 LT |
1719 | } |
1720 | ||
bb8b27e5 | 1721 | static void encode_setclientid_confirm(struct xdr_stream *xdr, const struct nfs4_setclientid_res *arg, struct compound_hdr *hdr) |
1da177e4 | 1722 | { |
475d4ba0 TM |
1723 | encode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM, |
1724 | decode_setclientid_confirm_maxsz, hdr); | |
ff2eb681 | 1725 | encode_uint64(xdr, arg->clientid); |
cd93710e | 1726 | encode_nfs4_verifier(xdr, &arg->confirm); |
1da177e4 LT |
1727 | } |
1728 | ||
3c6b899c AS |
1729 | static void encode_write(struct xdr_stream *xdr, const struct nfs_pgio_args *args, |
1730 | struct compound_hdr *hdr) | |
1da177e4 | 1731 | { |
8687b63a | 1732 | __be32 *p; |
1da177e4 | 1733 | |
ab19b481 | 1734 | encode_op_hdr(xdr, OP_WRITE, decode_write_maxsz, hdr); |
9b206149 | 1735 | encode_nfs4_stateid(xdr, &args->stateid); |
1da177e4 | 1736 | |
13c65ce9 | 1737 | p = reserve_space(xdr, 16); |
b95be5a9 | 1738 | p = xdr_encode_hyper(p, args->offset); |
e75bc1c8 | 1739 | *p++ = cpu_to_be32(args->stable); |
34558513 | 1740 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1741 | |
1742 | xdr_write_pages(xdr, args->pages, args->pgbase, args->count); | |
1da177e4 LT |
1743 | } |
1744 | ||
cf8cdbe5 | 1745 | static void encode_delegreturn(struct xdr_stream *xdr, const nfs4_stateid *stateid, struct compound_hdr *hdr) |
1da177e4 | 1746 | { |
ab19b481 | 1747 | encode_op_hdr(xdr, OP_DELEGRETURN, decode_delegreturn_maxsz, hdr); |
ea9d23f5 | 1748 | encode_nfs4_stateid(xdr, stateid); |
1da177e4 | 1749 | } |
9b7b9fcc | 1750 | |
5a5ea0d4 BS |
1751 | static void encode_secinfo(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1752 | { | |
ab19b481 | 1753 | encode_op_hdr(xdr, OP_SECINFO, decode_secinfo_maxsz, hdr); |
6fdfb0bc | 1754 | encode_string(xdr, name->len, name->name); |
5a5ea0d4 BS |
1755 | } |
1756 | ||
99fe60d0 | 1757 | #if defined(CONFIG_NFS_V4_1) |
9b7b9fcc | 1758 | /* NFSv4.1 operations */ |
7c44f1ae | 1759 | static void encode_bind_conn_to_session(struct xdr_stream *xdr, |
fcc85819 | 1760 | const struct nfs41_bind_conn_to_session_args *args, |
7c44f1ae WAA |
1761 | struct compound_hdr *hdr) |
1762 | { | |
1763 | __be32 *p; | |
1764 | ||
1765 | encode_op_hdr(xdr, OP_BIND_CONN_TO_SESSION, | |
1766 | decode_bind_conn_to_session_maxsz, hdr); | |
71a097c6 | 1767 | encode_opaque_fixed(xdr, args->sessionid.data, NFS4_MAX_SESSIONID_LEN); |
7c44f1ae | 1768 | p = xdr_reserve_space(xdr, 8); |
71a097c6 TM |
1769 | *p++ = cpu_to_be32(args->dir); |
1770 | *p = (args->use_conn_in_rdma_mode) ? cpu_to_be32(1) : cpu_to_be32(0); | |
7c44f1ae WAA |
1771 | } |
1772 | ||
fcc85819 | 1773 | static void encode_op_map(struct xdr_stream *xdr, const struct nfs4_op_map *op_map) |
2031cd1a WAA |
1774 | { |
1775 | unsigned int i; | |
1776 | encode_uint32(xdr, NFS4_OP_MAP_NUM_WORDS); | |
1777 | for (i = 0; i < NFS4_OP_MAP_NUM_WORDS; i++) | |
1778 | encode_uint32(xdr, op_map->u.words[i]); | |
1779 | } | |
1780 | ||
99fe60d0 | 1781 | static void encode_exchange_id(struct xdr_stream *xdr, |
fcc85819 | 1782 | const struct nfs41_exchange_id_args *args, |
99fe60d0 BH |
1783 | struct compound_hdr *hdr) |
1784 | { | |
1785 | __be32 *p; | |
d751f748 | 1786 | char impl_name[IMPL_NAME_LIMIT]; |
db8ac8ba | 1787 | int len = 0; |
99fe60d0 | 1788 | |
70019514 | 1789 | encode_op_hdr(xdr, OP_EXCHANGE_ID, decode_exchange_id_maxsz, hdr); |
fd40559c | 1790 | encode_nfs4_verifier(xdr, &args->verifier); |
99fe60d0 | 1791 | |
3a6bb738 JL |
1792 | encode_string(xdr, strlen(args->client->cl_owner_id), |
1793 | args->client->cl_owner_id); | |
99fe60d0 | 1794 | |
2031cd1a WAA |
1795 | encode_uint32(xdr, args->flags); |
1796 | encode_uint32(xdr, args->state_protect.how); | |
1797 | ||
1798 | switch (args->state_protect.how) { | |
1799 | case SP4_NONE: | |
1800 | break; | |
1801 | case SP4_MACH_CRED: | |
1802 | encode_op_map(xdr, &args->state_protect.enforce); | |
1803 | encode_op_map(xdr, &args->state_protect.allow); | |
1804 | break; | |
1805 | default: | |
1806 | WARN_ON_ONCE(1); | |
1807 | break; | |
1808 | } | |
db8ac8ba WAA |
1809 | |
1810 | if (send_implementation_id && | |
1811 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) > 1 && | |
1812 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) | |
d751f748 | 1813 | <= sizeof(impl_name) + 1) |
db8ac8ba WAA |
1814 | len = snprintf(impl_name, sizeof(impl_name), "%s %s %s %s", |
1815 | utsname()->sysname, utsname()->release, | |
1816 | utsname()->version, utsname()->machine); | |
1817 | ||
1818 | if (len > 0) { | |
2031cd1a | 1819 | encode_uint32(xdr, 1); /* implementation id array length=1 */ |
db8ac8ba WAA |
1820 | |
1821 | encode_string(xdr, | |
1822 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) - 1, | |
1823 | CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN); | |
1824 | encode_string(xdr, len, impl_name); | |
1825 | /* just send zeros for nii_date - the date is in nii_name */ | |
1826 | p = reserve_space(xdr, 12); | |
1827 | p = xdr_encode_hyper(p, 0); | |
1828 | *p = cpu_to_be32(0); | |
1829 | } else | |
2031cd1a | 1830 | encode_uint32(xdr, 0); /* implementation id array length=0 */ |
99fe60d0 | 1831 | } |
fc931582 AA |
1832 | |
1833 | static void encode_create_session(struct xdr_stream *xdr, | |
fcc85819 | 1834 | const struct nfs41_create_session_args *args, |
fc931582 AA |
1835 | struct compound_hdr *hdr) |
1836 | { | |
1837 | __be32 *p; | |
fc931582 | 1838 | struct nfs_client *clp = args->client; |
89f0ff38 | 1839 | struct rpc_clnt *clnt = clp->cl_rpcclient; |
f092075d | 1840 | struct nfs_net *nn = net_generic(clp->cl_net, nfs_net_id); |
8e0d46e1 MS |
1841 | u32 max_resp_sz_cached; |
1842 | ||
1843 | /* | |
1844 | * Assumes OPEN is the biggest non-idempotent compound. | |
1845 | * 2 is the verifier. | |
1846 | */ | |
35c036ef BF |
1847 | max_resp_sz_cached = (NFS4_dec_open_sz + RPC_REPHDRSIZE + 2) |
1848 | * XDR_UNIT + RPC_MAX_AUTH_SIZE; | |
fc931582 | 1849 | |
475d4ba0 | 1850 | encode_op_hdr(xdr, OP_CREATE_SESSION, decode_create_session_maxsz, hdr); |
89f0ff38 | 1851 | p = reserve_space(xdr, 16 + 2*28 + 20 + clnt->cl_nodelen + 12); |
79969dd1 TM |
1852 | p = xdr_encode_hyper(p, args->clientid); |
1853 | *p++ = cpu_to_be32(args->seqid); /*Sequence id */ | |
e75bc1c8 | 1854 | *p++ = cpu_to_be32(args->flags); /*flags */ |
fc931582 | 1855 | |
fc931582 | 1856 | /* Fore Channel */ |
c9c30dd5 | 1857 | *p++ = cpu_to_be32(0); /* header padding size */ |
e75bc1c8 BH |
1858 | *p++ = cpu_to_be32(args->fc_attrs.max_rqst_sz); /* max req size */ |
1859 | *p++ = cpu_to_be32(args->fc_attrs.max_resp_sz); /* max resp size */ | |
8e0d46e1 | 1860 | *p++ = cpu_to_be32(max_resp_sz_cached); /* Max resp sz cached */ |
e75bc1c8 BH |
1861 | *p++ = cpu_to_be32(args->fc_attrs.max_ops); /* max operations */ |
1862 | *p++ = cpu_to_be32(args->fc_attrs.max_reqs); /* max requests */ | |
1863 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ | |
fc931582 AA |
1864 | |
1865 | /* Back Channel */ | |
c9c30dd5 | 1866 | *p++ = cpu_to_be32(0); /* header padding size */ |
e75bc1c8 BH |
1867 | *p++ = cpu_to_be32(args->bc_attrs.max_rqst_sz); /* max req size */ |
1868 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz); /* max resp size */ | |
1869 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz_cached); /* Max resp sz cached */ | |
1870 | *p++ = cpu_to_be32(args->bc_attrs.max_ops); /* max operations */ | |
1871 | *p++ = cpu_to_be32(args->bc_attrs.max_reqs); /* max requests */ | |
1872 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ | |
fc931582 | 1873 | |
e75bc1c8 | 1874 | *p++ = cpu_to_be32(args->cb_program); /* cb_program */ |
e75bc1c8 | 1875 | *p++ = cpu_to_be32(1); |
e75bc1c8 | 1876 | *p++ = cpu_to_be32(RPC_AUTH_UNIX); /* auth_sys */ |
fc931582 AA |
1877 | |
1878 | /* authsys_parms rfc1831 */ | |
2f86e091 | 1879 | *p++ = cpu_to_be32(ktime_to_ns(nn->boot_time)); /* stamp */ |
89f0ff38 | 1880 | p = xdr_encode_array(p, clnt->cl_nodename, clnt->cl_nodelen); |
e75bc1c8 BH |
1881 | *p++ = cpu_to_be32(0); /* UID */ |
1882 | *p++ = cpu_to_be32(0); /* GID */ | |
34558513 | 1883 | *p = cpu_to_be32(0); /* No more gids */ |
fc931582 | 1884 | } |
0f3e66c6 AA |
1885 | |
1886 | static void encode_destroy_session(struct xdr_stream *xdr, | |
fcc85819 | 1887 | const struct nfs4_session *session, |
0f3e66c6 AA |
1888 | struct compound_hdr *hdr) |
1889 | { | |
475d4ba0 TM |
1890 | encode_op_hdr(xdr, OP_DESTROY_SESSION, decode_destroy_session_maxsz, hdr); |
1891 | encode_opaque_fixed(xdr, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); | |
0f3e66c6 | 1892 | } |
18019753 | 1893 | |
66245539 TM |
1894 | static void encode_destroy_clientid(struct xdr_stream *xdr, |
1895 | uint64_t clientid, | |
1896 | struct compound_hdr *hdr) | |
1897 | { | |
1898 | encode_op_hdr(xdr, OP_DESTROY_CLIENTID, decode_destroy_clientid_maxsz, hdr); | |
1899 | encode_uint64(xdr, clientid); | |
1900 | } | |
1901 | ||
18019753 | 1902 | static void encode_reclaim_complete(struct xdr_stream *xdr, |
fcc85819 | 1903 | const struct nfs41_reclaim_complete_args *args, |
18019753 RL |
1904 | struct compound_hdr *hdr) |
1905 | { | |
475d4ba0 TM |
1906 | encode_op_hdr(xdr, OP_RECLAIM_COMPLETE, decode_reclaim_complete_maxsz, hdr); |
1907 | encode_uint32(xdr, args->one_fs); | |
18019753 | 1908 | } |
99fe60d0 BH |
1909 | #endif /* CONFIG_NFS_V4_1 */ |
1910 | ||
9b7b9fcc AA |
1911 | static void encode_sequence(struct xdr_stream *xdr, |
1912 | const struct nfs4_sequence_args *args, | |
1913 | struct compound_hdr *hdr) | |
1914 | { | |
1915 | #if defined(CONFIG_NFS_V4_1) | |
2b2fa717 | 1916 | struct nfs4_session *session; |
fc01cea9 | 1917 | struct nfs4_slot_table *tp; |
2b2fa717 | 1918 | struct nfs4_slot *slot = args->sa_slot; |
fc01cea9 | 1919 | __be32 *p; |
9b7b9fcc | 1920 | |
2b2fa717 TM |
1921 | tp = slot->table; |
1922 | session = tp->session; | |
3bd2384a CL |
1923 | if (!session) |
1924 | return; | |
fc01cea9 | 1925 | |
475d4ba0 | 1926 | encode_op_hdr(xdr, OP_SEQUENCE, decode_sequence_maxsz, hdr); |
fc01cea9 AA |
1927 | |
1928 | /* | |
1929 | * Sessionid + seqid + slotid + max slotid + cache_this | |
1930 | */ | |
1931 | dprintk("%s: sessionid=%u:%u:%u:%u seqid=%d slotid=%d " | |
1932 | "max_slotid=%d cache_this=%d\n", | |
1933 | __func__, | |
1934 | ((u32 *)session->sess_id.data)[0], | |
1935 | ((u32 *)session->sess_id.data)[1], | |
1936 | ((u32 *)session->sess_id.data)[2], | |
1937 | ((u32 *)session->sess_id.data)[3], | |
2b2fa717 | 1938 | slot->seq_nr, slot->slot_nr, |
fc01cea9 | 1939 | tp->highest_used_slotid, args->sa_cache_this); |
475d4ba0 | 1940 | p = reserve_space(xdr, NFS4_MAX_SESSIONID_LEN + 16); |
93f0cf25 | 1941 | p = xdr_encode_opaque_fixed(p, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); |
e75bc1c8 | 1942 | *p++ = cpu_to_be32(slot->seq_nr); |
2b2fa717 | 1943 | *p++ = cpu_to_be32(slot->slot_nr); |
e75bc1c8 | 1944 | *p++ = cpu_to_be32(tp->highest_used_slotid); |
34558513 | 1945 | *p = cpu_to_be32(args->sa_cache_this); |
9b7b9fcc AA |
1946 | #endif /* CONFIG_NFS_V4_1 */ |
1947 | } | |
1948 | ||
b1f69b75 AA |
1949 | #ifdef CONFIG_NFS_V4_1 |
1950 | static void | |
1951 | encode_getdeviceinfo(struct xdr_stream *xdr, | |
1952 | const struct nfs4_getdeviceinfo_args *args, | |
1953 | struct compound_hdr *hdr) | |
1954 | { | |
1955 | __be32 *p; | |
1956 | ||
475d4ba0 | 1957 | encode_op_hdr(xdr, OP_GETDEVICEINFO, decode_getdeviceinfo_maxsz, hdr); |
84c9dee3 | 1958 | p = reserve_space(xdr, NFS4_DEVICEID4_SIZE + 4 + 4); |
b1f69b75 AA |
1959 | p = xdr_encode_opaque_fixed(p, args->pdev->dev_id.data, |
1960 | NFS4_DEVICEID4_SIZE); | |
1961 | *p++ = cpu_to_be32(args->pdev->layout_type); | |
f1c097be | 1962 | *p++ = cpu_to_be32(args->pdev->maxcount); /* gdia_maxcount */ |
84c9dee3 CH |
1963 | |
1964 | p = reserve_space(xdr, 4 + 4); | |
1965 | *p++ = cpu_to_be32(1); /* bitmap length */ | |
4e590803 | 1966 | *p++ = cpu_to_be32(args->notify_types); |
b1f69b75 AA |
1967 | } |
1968 | ||
1969 | static void | |
1970 | encode_layoutget(struct xdr_stream *xdr, | |
1971 | const struct nfs4_layoutget_args *args, | |
1972 | struct compound_hdr *hdr) | |
1973 | { | |
b1f69b75 AA |
1974 | __be32 *p; |
1975 | ||
475d4ba0 TM |
1976 | encode_op_hdr(xdr, OP_LAYOUTGET, decode_layoutget_maxsz, hdr); |
1977 | p = reserve_space(xdr, 36); | |
b1f69b75 AA |
1978 | *p++ = cpu_to_be32(0); /* Signal layout available */ |
1979 | *p++ = cpu_to_be32(args->type); | |
1980 | *p++ = cpu_to_be32(args->range.iomode); | |
1981 | p = xdr_encode_hyper(p, args->range.offset); | |
1982 | p = xdr_encode_hyper(p, args->range.length); | |
1983 | p = xdr_encode_hyper(p, args->minlength); | |
ea9d23f5 | 1984 | encode_nfs4_stateid(xdr, &args->stateid); |
475d4ba0 | 1985 | encode_uint32(xdr, args->maxcount); |
b1f69b75 AA |
1986 | |
1987 | dprintk("%s: 1st type:0x%x iomode:%d off:%lu len:%lu mc:%d\n", | |
1988 | __func__, | |
1989 | args->type, | |
1990 | args->range.iomode, | |
1991 | (unsigned long)args->range.offset, | |
1992 | (unsigned long)args->range.length, | |
1993 | args->maxcount); | |
b1f69b75 | 1994 | } |
863a3c6c AA |
1995 | |
1996 | static int | |
1997 | encode_layoutcommit(struct xdr_stream *xdr, | |
ac7db726 | 1998 | struct inode *inode, |
fcc85819 | 1999 | const struct nfs4_layoutcommit_args *args, |
863a3c6c AA |
2000 | struct compound_hdr *hdr) |
2001 | { | |
2002 | __be32 *p; | |
2003 | ||
2004 | dprintk("%s: lbw: %llu type: %d\n", __func__, args->lastbytewritten, | |
2005 | NFS_SERVER(args->inode)->pnfs_curr_ld->id); | |
2006 | ||
475d4ba0 TM |
2007 | encode_op_hdr(xdr, OP_LAYOUTCOMMIT, decode_layoutcommit_maxsz, hdr); |
2008 | p = reserve_space(xdr, 20); | |
863a3c6c AA |
2009 | /* Only whole file layouts */ |
2010 | p = xdr_encode_hyper(p, 0); /* offset */ | |
3557c6c3 | 2011 | p = xdr_encode_hyper(p, args->lastbytewritten + 1); /* length */ |
ea9d23f5 TM |
2012 | *p = cpu_to_be32(0); /* reclaim */ |
2013 | encode_nfs4_stateid(xdr, &args->stateid); | |
2e18d4d8 TM |
2014 | if (args->lastbytewritten != U64_MAX) { |
2015 | p = reserve_space(xdr, 20); | |
2016 | *p++ = cpu_to_be32(1); /* newoffset = TRUE */ | |
2017 | p = xdr_encode_hyper(p, args->lastbytewritten); | |
2018 | } else { | |
2019 | p = reserve_space(xdr, 12); | |
2020 | *p++ = cpu_to_be32(0); /* newoffset = FALSE */ | |
2021 | } | |
863a3c6c AA |
2022 | *p++ = cpu_to_be32(0); /* Never send time_modify_changed */ |
2023 | *p++ = cpu_to_be32(NFS_SERVER(args->inode)->pnfs_curr_ld->id);/* type */ | |
ac7db726 | 2024 | |
73504740 TM |
2025 | encode_uint32(xdr, args->layoutupdate_len); |
2026 | if (args->layoutupdate_pages) | |
2027 | xdr_write_pages(xdr, args->layoutupdate_pages, 0, | |
2028 | args->layoutupdate_len); | |
863a3c6c | 2029 | |
863a3c6c AA |
2030 | return 0; |
2031 | } | |
cbe82603 BH |
2032 | |
2033 | static void | |
2034 | encode_layoutreturn(struct xdr_stream *xdr, | |
2035 | const struct nfs4_layoutreturn_args *args, | |
2036 | struct compound_hdr *hdr) | |
2037 | { | |
2038 | __be32 *p; | |
2039 | ||
475d4ba0 TM |
2040 | encode_op_hdr(xdr, OP_LAYOUTRETURN, decode_layoutreturn_maxsz, hdr); |
2041 | p = reserve_space(xdr, 16); | |
cbe82603 BH |
2042 | *p++ = cpu_to_be32(0); /* reclaim. always 0 for now */ |
2043 | *p++ = cpu_to_be32(args->layout_type); | |
15eb67c1 | 2044 | *p++ = cpu_to_be32(args->range.iomode); |
cbe82603 | 2045 | *p = cpu_to_be32(RETURN_FILE); |
ea9d23f5 | 2046 | p = reserve_space(xdr, 16); |
15eb67c1 PT |
2047 | p = xdr_encode_hyper(p, args->range.offset); |
2048 | p = xdr_encode_hyper(p, args->range.length); | |
cbe82603 | 2049 | spin_lock(&args->inode->i_lock); |
ea9d23f5 | 2050 | encode_nfs4_stateid(xdr, &args->stateid); |
cbe82603 | 2051 | spin_unlock(&args->inode->i_lock); |
4d796d75 TM |
2052 | if (args->ld_private->ops && args->ld_private->ops->encode) |
2053 | args->ld_private->ops->encode(xdr, args, args->ld_private); | |
94e5c571 | 2054 | else |
475d4ba0 | 2055 | encode_uint32(xdr, 0); |
cbe82603 | 2056 | } |
fca78d6d BS |
2057 | |
2058 | static int | |
2059 | encode_secinfo_no_name(struct xdr_stream *xdr, | |
2060 | const struct nfs41_secinfo_no_name_args *args, | |
2061 | struct compound_hdr *hdr) | |
2062 | { | |
475d4ba0 TM |
2063 | encode_op_hdr(xdr, OP_SECINFO_NO_NAME, decode_secinfo_no_name_maxsz, hdr); |
2064 | encode_uint32(xdr, args->style); | |
fca78d6d BS |
2065 | return 0; |
2066 | } | |
7d974794 BS |
2067 | |
2068 | static void encode_test_stateid(struct xdr_stream *xdr, | |
fcc85819 | 2069 | const struct nfs41_test_stateid_args *args, |
7d974794 BS |
2070 | struct compound_hdr *hdr) |
2071 | { | |
475d4ba0 TM |
2072 | encode_op_hdr(xdr, OP_TEST_STATEID, decode_test_stateid_maxsz, hdr); |
2073 | encode_uint32(xdr, 1); | |
ea9d23f5 | 2074 | encode_nfs4_stateid(xdr, args->stateid); |
7d974794 | 2075 | } |
9aeda35f BS |
2076 | |
2077 | static void encode_free_stateid(struct xdr_stream *xdr, | |
fcc85819 | 2078 | const struct nfs41_free_stateid_args *args, |
9aeda35f BS |
2079 | struct compound_hdr *hdr) |
2080 | { | |
ab19b481 | 2081 | encode_op_hdr(xdr, OP_FREE_STATEID, decode_free_stateid_maxsz, hdr); |
7c1d5fae | 2082 | encode_nfs4_stateid(xdr, &args->stateid); |
9aeda35f | 2083 | } |
cf805165 TM |
2084 | #else |
2085 | static inline void | |
2086 | encode_layoutreturn(struct xdr_stream *xdr, | |
2087 | const struct nfs4_layoutreturn_args *args, | |
2088 | struct compound_hdr *hdr) | |
2089 | { | |
2090 | } | |
56f487f8 FI |
2091 | |
2092 | static void | |
2093 | encode_layoutget(struct xdr_stream *xdr, | |
2094 | const struct nfs4_layoutget_args *args, | |
2095 | struct compound_hdr *hdr) | |
2096 | { | |
2097 | } | |
b1f69b75 AA |
2098 | #endif /* CONFIG_NFS_V4_1 */ |
2099 | ||
1da177e4 LT |
2100 | /* |
2101 | * END OF "GENERIC" ENCODE ROUTINES. | |
2102 | */ | |
2103 | ||
66cc0429 BH |
2104 | static u32 nfs4_xdr_minorversion(const struct nfs4_sequence_args *args) |
2105 | { | |
2106 | #if defined(CONFIG_NFS_V4_1) | |
3bd2384a CL |
2107 | struct nfs4_session *session = args->sa_slot->table->session; |
2108 | if (session) | |
2109 | return session->clp->cl_mvops->minor_version; | |
66cc0429 BH |
2110 | #endif /* CONFIG_NFS_V4_1 */ |
2111 | return 0; | |
2112 | } | |
2113 | ||
1da177e4 LT |
2114 | /* |
2115 | * Encode an ACCESS request | |
2116 | */ | |
9f06c719 | 2117 | static void nfs4_xdr_enc_access(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 2118 | const void *data) |
1da177e4 | 2119 | { |
fcc85819 | 2120 | const struct nfs4_accessargs *args = data; |
1da177e4 | 2121 | struct compound_hdr hdr = { |
66cc0429 | 2122 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2123 | }; |
1da177e4 | 2124 | |
9f06c719 CL |
2125 | encode_compound_hdr(xdr, req, &hdr); |
2126 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2127 | encode_putfh(xdr, args->fh, &hdr); | |
2128 | encode_access(xdr, args->access, &hdr); | |
8bcbe7d9 TM |
2129 | if (args->bitmask) |
2130 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2131 | encode_nops(&hdr); |
1da177e4 LT |
2132 | } |
2133 | ||
2134 | /* | |
2135 | * Encode LOOKUP request | |
2136 | */ | |
9f06c719 | 2137 | static void nfs4_xdr_enc_lookup(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 2138 | const void *data) |
1da177e4 | 2139 | { |
fcc85819 | 2140 | const struct nfs4_lookup_arg *args = data; |
1da177e4 | 2141 | struct compound_hdr hdr = { |
66cc0429 | 2142 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2143 | }; |
1da177e4 | 2144 | |
9f06c719 CL |
2145 | encode_compound_hdr(xdr, req, &hdr); |
2146 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2147 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2148 | encode_lookup(xdr, args->name, &hdr); | |
2149 | encode_getfh(xdr, &hdr); | |
2150 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2151 | encode_nops(&hdr); |
1da177e4 LT |
2152 | } |
2153 | ||
5b5faaf6 JL |
2154 | /* |
2155 | * Encode LOOKUPP request | |
2156 | */ | |
2157 | static void nfs4_xdr_enc_lookupp(struct rpc_rqst *req, struct xdr_stream *xdr, | |
2158 | const void *data) | |
2159 | { | |
2160 | const struct nfs4_lookupp_arg *args = data; | |
2161 | struct compound_hdr hdr = { | |
2162 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2163 | }; | |
2164 | ||
2165 | encode_compound_hdr(xdr, req, &hdr); | |
2166 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2167 | encode_putfh(xdr, args->fh, &hdr); | |
2168 | encode_lookupp(xdr, &hdr); | |
2169 | encode_getfh(xdr, &hdr); | |
2170 | encode_getfattr(xdr, args->bitmask, &hdr); | |
2171 | encode_nops(&hdr); | |
2172 | } | |
2173 | ||
1da177e4 LT |
2174 | /* |
2175 | * Encode LOOKUP_ROOT request | |
2176 | */ | |
9f06c719 CL |
2177 | static void nfs4_xdr_enc_lookup_root(struct rpc_rqst *req, |
2178 | struct xdr_stream *xdr, | |
fcc85819 | 2179 | const void *data) |
1da177e4 | 2180 | { |
fcc85819 | 2181 | const struct nfs4_lookup_root_arg *args = data; |
1da177e4 | 2182 | struct compound_hdr hdr = { |
66cc0429 | 2183 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2184 | }; |
1da177e4 | 2185 | |
9f06c719 CL |
2186 | encode_compound_hdr(xdr, req, &hdr); |
2187 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2188 | encode_putrootfh(xdr, &hdr); | |
2189 | encode_getfh(xdr, &hdr); | |
2190 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2191 | encode_nops(&hdr); |
1da177e4 LT |
2192 | } |
2193 | ||
2194 | /* | |
2195 | * Encode REMOVE request | |
2196 | */ | |
9f06c719 | 2197 | static void nfs4_xdr_enc_remove(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 2198 | const void *data) |
1da177e4 | 2199 | { |
fcc85819 | 2200 | const struct nfs_removeargs *args = data; |
1da177e4 | 2201 | struct compound_hdr hdr = { |
66cc0429 | 2202 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2203 | }; |
1da177e4 | 2204 | |
9f06c719 CL |
2205 | encode_compound_hdr(xdr, req, &hdr); |
2206 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2207 | encode_putfh(xdr, args->fh, &hdr); | |
2208 | encode_remove(xdr, &args->name, &hdr); | |
d017931c | 2209 | encode_nops(&hdr); |
1da177e4 LT |
2210 | } |
2211 | ||
2212 | /* | |
2213 | * Encode RENAME request | |
2214 | */ | |
9f06c719 | 2215 | static void nfs4_xdr_enc_rename(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 2216 | const void *data) |
1da177e4 | 2217 | { |
fcc85819 | 2218 | const struct nfs_renameargs *args = data; |
1da177e4 | 2219 | struct compound_hdr hdr = { |
66cc0429 | 2220 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2221 | }; |
1da177e4 | 2222 | |
9f06c719 CL |
2223 | encode_compound_hdr(xdr, req, &hdr); |
2224 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2225 | encode_putfh(xdr, args->old_dir, &hdr); | |
2226 | encode_savefh(xdr, &hdr); | |
2227 | encode_putfh(xdr, args->new_dir, &hdr); | |
2228 | encode_rename(xdr, args->old_name, args->new_name, &hdr); | |
d017931c | 2229 | encode_nops(&hdr); |
1da177e4 LT |
2230 | } |
2231 | ||
2232 | /* | |
2233 | * Encode LINK request | |
2234 | */ | |
9f06c719 | 2235 | static void nfs4_xdr_enc_link(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 2236 | const void *data) |
1da177e4 | 2237 | { |
fcc85819 | 2238 | const struct nfs4_link_arg *args = data; |
1da177e4 | 2239 | struct compound_hdr hdr = { |
66cc0429 | 2240 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2241 | }; |
1da177e4 | 2242 | |
9f06c719 CL |
2243 | encode_compound_hdr(xdr, req, &hdr); |
2244 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2245 | encode_putfh(xdr, args->fh, &hdr); | |
2246 | encode_savefh(xdr, &hdr); | |
2247 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2248 | encode_link(xdr, args->name, &hdr); | |
9f06c719 CL |
2249 | encode_restorefh(xdr, &hdr); |
2250 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2251 | encode_nops(&hdr); |
1da177e4 LT |
2252 | } |
2253 | ||
2254 | /* | |
2255 | * Encode CREATE request | |
2256 | */ | |
9f06c719 | 2257 | static void nfs4_xdr_enc_create(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 2258 | const void *data) |
1da177e4 | 2259 | { |
fcc85819 | 2260 | const struct nfs4_create_arg *args = data; |
1da177e4 | 2261 | struct compound_hdr hdr = { |
66cc0429 | 2262 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2263 | }; |
1da177e4 | 2264 | |
9f06c719 CL |
2265 | encode_compound_hdr(xdr, req, &hdr); |
2266 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2267 | encode_putfh(xdr, args->dir_fh, &hdr); | |
9f06c719 CL |
2268 | encode_create(xdr, args, &hdr); |
2269 | encode_getfh(xdr, &hdr); | |
2270 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2271 | encode_nops(&hdr); |
1da177e4 LT |
2272 | } |
2273 | ||
2274 | /* | |
2275 | * Encode SYMLINK request | |
2276 | */ | |
9f06c719 | 2277 | static void nfs4_xdr_enc_symlink(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 2278 | const void *data) |
1da177e4 | 2279 | { |
fcc85819 CH |
2280 | const struct nfs4_create_arg *args = data; |
2281 | ||
9f06c719 | 2282 | nfs4_xdr_enc_create(req, xdr, args); |
1da177e4 LT |
2283 | } |
2284 | ||
2285 | /* | |
2286 | * Encode GETATTR request | |
2287 | */ | |
9f06c719 | 2288 | static void nfs4_xdr_enc_getattr(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 2289 | const void *data) |
1da177e4 | 2290 | { |
fcc85819 | 2291 | const struct nfs4_getattr_arg *args = data; |
1da177e4 | 2292 | struct compound_hdr hdr = { |
66cc0429 | 2293 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2294 | }; |
1da177e4 | 2295 | |
9f06c719 CL |
2296 | encode_compound_hdr(xdr, req, &hdr); |
2297 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2298 | encode_putfh(xdr, args->fh, &hdr); | |
2299 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2300 | encode_nops(&hdr); |
1da177e4 LT |
2301 | } |
2302 | ||
2303 | /* | |
2304 | * Encode a CLOSE request | |
2305 | */ | |
9f06c719 | 2306 | static void nfs4_xdr_enc_close(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 2307 | const void *data) |
1da177e4 | 2308 | { |
fcc85819 | 2309 | const struct nfs_closeargs *args = data; |
05d564fe | 2310 | struct compound_hdr hdr = { |
66cc0429 | 2311 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 2312 | }; |
05d564fe | 2313 | |
9f06c719 CL |
2314 | encode_compound_hdr(xdr, req, &hdr); |
2315 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2316 | encode_putfh(xdr, args->fh, &hdr); | |
cf805165 TM |
2317 | if (args->lr_args) |
2318 | encode_layoutreturn(xdr, args->lr_args, &hdr); | |
3ecefc92 TM |
2319 | if (args->bitmask != NULL) |
2320 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d8d84983 | 2321 | encode_close(xdr, args, &hdr); |
d017931c | 2322 | encode_nops(&hdr); |
1da177e4 LT |
2323 | } |
2324 | ||
2325 | /* | |
2326 | * Encode an OPEN request | |
2327 | */ | |
9f06c719 | 2328 | static void nfs4_xdr_enc_open(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 2329 | const void *data) |
1da177e4 | 2330 | { |
fcc85819 | 2331 | const struct nfs_openargs *args = data; |
1da177e4 | 2332 | struct compound_hdr hdr = { |
66cc0429 | 2333 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2334 | }; |
1da177e4 | 2335 | |
9f06c719 CL |
2336 | encode_compound_hdr(xdr, req, &hdr); |
2337 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2338 | encode_putfh(xdr, args->fh, &hdr); | |
9f06c719 CL |
2339 | encode_open(xdr, args, &hdr); |
2340 | encode_getfh(xdr, &hdr); | |
ae2bb032 WAA |
2341 | if (args->access) |
2342 | encode_access(xdr, args->access, &hdr); | |
1549210f | 2343 | encode_getfattr_open(xdr, args->bitmask, args->open_bitmap, &hdr); |
56f487f8 FI |
2344 | if (args->lg_args) { |
2345 | encode_layoutget(xdr, args->lg_args, &hdr); | |
cf500bac CL |
2346 | rpc_prepare_reply_pages(req, args->lg_args->layout.pages, 0, |
2347 | args->lg_args->layout.pglen, | |
2348 | hdr.replen); | |
56f487f8 | 2349 | } |
d017931c | 2350 | encode_nops(&hdr); |
1da177e4 LT |
2351 | } |
2352 | ||
2353 | /* | |
2354 | * Encode an OPEN_CONFIRM request | |
2355 | */ | |
9f06c719 CL |
2356 | static void nfs4_xdr_enc_open_confirm(struct rpc_rqst *req, |
2357 | struct xdr_stream *xdr, | |
fcc85819 | 2358 | const void *data) |
1da177e4 | 2359 | { |
fcc85819 | 2360 | const struct nfs_open_confirmargs *args = data; |
1da177e4 | 2361 | struct compound_hdr hdr = { |
d017931c | 2362 | .nops = 0, |
1da177e4 | 2363 | }; |
1da177e4 | 2364 | |
9f06c719 CL |
2365 | encode_compound_hdr(xdr, req, &hdr); |
2366 | encode_putfh(xdr, args->fh, &hdr); | |
2367 | encode_open_confirm(xdr, args, &hdr); | |
d017931c | 2368 | encode_nops(&hdr); |
1da177e4 LT |
2369 | } |
2370 | ||
2371 | /* | |
2372 | * Encode an OPEN request with no attributes. | |
2373 | */ | |
9f06c719 CL |
2374 | static void nfs4_xdr_enc_open_noattr(struct rpc_rqst *req, |
2375 | struct xdr_stream *xdr, | |
fcc85819 | 2376 | const void *data) |
1da177e4 | 2377 | { |
fcc85819 | 2378 | const struct nfs_openargs *args = data; |
1da177e4 | 2379 | struct compound_hdr hdr = { |
66cc0429 | 2380 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2381 | }; |
1da177e4 | 2382 | |
9f06c719 CL |
2383 | encode_compound_hdr(xdr, req, &hdr); |
2384 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2385 | encode_putfh(xdr, args->fh, &hdr); | |
2386 | encode_open(xdr, args, &hdr); | |
ae2bb032 WAA |
2387 | if (args->access) |
2388 | encode_access(xdr, args->access, &hdr); | |
e23008ec | 2389 | encode_getfattr_open(xdr, args->bitmask, args->open_bitmap, &hdr); |
56f487f8 FI |
2390 | if (args->lg_args) { |
2391 | encode_layoutget(xdr, args->lg_args, &hdr); | |
cf500bac CL |
2392 | rpc_prepare_reply_pages(req, args->lg_args->layout.pages, 0, |
2393 | args->lg_args->layout.pglen, | |
2394 | hdr.replen); | |
56f487f8 | 2395 | } |
d017931c | 2396 | encode_nops(&hdr); |
1da177e4 LT |
2397 | } |
2398 | ||
2399 | /* | |
2400 | * Encode an OPEN_DOWNGRADE request | |
2401 | */ | |
9f06c719 CL |
2402 | static void nfs4_xdr_enc_open_downgrade(struct rpc_rqst *req, |
2403 | struct xdr_stream *xdr, | |
fcc85819 | 2404 | const void *data) |
1da177e4 | 2405 | { |
fcc85819 | 2406 | const struct nfs_closeargs *args = data; |
1da177e4 | 2407 | struct compound_hdr hdr = { |
66cc0429 | 2408 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2409 | }; |
1da177e4 | 2410 | |
9f06c719 CL |
2411 | encode_compound_hdr(xdr, req, &hdr); |
2412 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2413 | encode_putfh(xdr, args->fh, &hdr); | |
b6808145 TM |
2414 | if (args->lr_args) |
2415 | encode_layoutreturn(xdr, args->lr_args, &hdr); | |
9f06c719 | 2416 | encode_open_downgrade(xdr, args, &hdr); |
d017931c | 2417 | encode_nops(&hdr); |
1da177e4 LT |
2418 | } |
2419 | ||
2420 | /* | |
2421 | * Encode a LOCK request | |
2422 | */ | |
9f06c719 | 2423 | static void nfs4_xdr_enc_lock(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 2424 | const void *data) |
1da177e4 | 2425 | { |
fcc85819 | 2426 | const struct nfs_lock_args *args = data; |
1da177e4 | 2427 | struct compound_hdr hdr = { |
66cc0429 | 2428 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2429 | }; |
1da177e4 | 2430 | |
9f06c719 CL |
2431 | encode_compound_hdr(xdr, req, &hdr); |
2432 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2433 | encode_putfh(xdr, args->fh, &hdr); | |
2434 | encode_lock(xdr, args, &hdr); | |
d017931c | 2435 | encode_nops(&hdr); |
1da177e4 LT |
2436 | } |
2437 | ||
2438 | /* | |
2439 | * Encode a LOCKT request | |
2440 | */ | |
9f06c719 | 2441 | static void nfs4_xdr_enc_lockt(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 2442 | const void *data) |
1da177e4 | 2443 | { |
fcc85819 | 2444 | const struct nfs_lockt_args *args = data; |
1da177e4 | 2445 | struct compound_hdr hdr = { |
66cc0429 | 2446 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2447 | }; |
1da177e4 | 2448 | |
9f06c719 CL |
2449 | encode_compound_hdr(xdr, req, &hdr); |
2450 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2451 | encode_putfh(xdr, args->fh, &hdr); | |
2452 | encode_lockt(xdr, args, &hdr); | |
d017931c | 2453 | encode_nops(&hdr); |
1da177e4 LT |
2454 | } |
2455 | ||
2456 | /* | |
2457 | * Encode a LOCKU request | |
2458 | */ | |
9f06c719 | 2459 | static void nfs4_xdr_enc_locku(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 2460 | const void *data) |
1da177e4 | 2461 | { |
fcc85819 | 2462 | const struct nfs_locku_args *args = data; |
1da177e4 | 2463 | struct compound_hdr hdr = { |
66cc0429 | 2464 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2465 | }; |
1da177e4 | 2466 | |
9f06c719 CL |
2467 | encode_compound_hdr(xdr, req, &hdr); |
2468 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2469 | encode_putfh(xdr, args->fh, &hdr); | |
2470 | encode_locku(xdr, args, &hdr); | |
d017931c | 2471 | encode_nops(&hdr); |
1da177e4 LT |
2472 | } |
2473 | ||
9f06c719 CL |
2474 | static void nfs4_xdr_enc_release_lockowner(struct rpc_rqst *req, |
2475 | struct xdr_stream *xdr, | |
fcc85819 | 2476 | const void *data) |
d3c7b7cc | 2477 | { |
fcc85819 | 2478 | const struct nfs_release_lockowner_args *args = data; |
d3c7b7cc TM |
2479 | struct compound_hdr hdr = { |
2480 | .minorversion = 0, | |
2481 | }; | |
2482 | ||
9f06c719 CL |
2483 | encode_compound_hdr(xdr, req, &hdr); |
2484 | encode_release_lockowner(xdr, &args->lock_owner, &hdr); | |
d3c7b7cc | 2485 | encode_nops(&hdr); |
d3c7b7cc TM |
2486 | } |
2487 | ||
1da177e4 LT |
2488 | /* |
2489 | * Encode a READLINK request | |
2490 | */ | |
9f06c719 | 2491 | static void nfs4_xdr_enc_readlink(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 2492 | const void *data) |
1da177e4 | 2493 | { |
fcc85819 | 2494 | const struct nfs4_readlink *args = data; |
1da177e4 | 2495 | struct compound_hdr hdr = { |
66cc0429 | 2496 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2497 | }; |
1da177e4 | 2498 | |
9f06c719 CL |
2499 | encode_compound_hdr(xdr, req, &hdr); |
2500 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2501 | encode_putfh(xdr, args->fh, &hdr); | |
2502 | encode_readlink(xdr, args, req, &hdr); | |
e3a535e1 | 2503 | |
cf500bac CL |
2504 | rpc_prepare_reply_pages(req, args->pages, args->pgbase, |
2505 | args->pglen, hdr.replen); | |
d017931c | 2506 | encode_nops(&hdr); |
1da177e4 LT |
2507 | } |
2508 | ||
2509 | /* | |
2510 | * Encode a READDIR request | |
2511 | */ | |
9f06c719 | 2512 | static void nfs4_xdr_enc_readdir(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 2513 | const void *data) |
1da177e4 | 2514 | { |
fcc85819 | 2515 | const struct nfs4_readdir_arg *args = data; |
1da177e4 | 2516 | struct compound_hdr hdr = { |
66cc0429 | 2517 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2518 | }; |
1da177e4 | 2519 | |
9f06c719 CL |
2520 | encode_compound_hdr(xdr, req, &hdr); |
2521 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2522 | encode_putfh(xdr, args->fh, &hdr); | |
2523 | encode_readdir(xdr, args, req, &hdr); | |
d6ac02df | 2524 | |
cf500bac CL |
2525 | rpc_prepare_reply_pages(req, args->pages, args->pgbase, |
2526 | args->count, hdr.replen); | |
d017931c | 2527 | encode_nops(&hdr); |
1da177e4 LT |
2528 | } |
2529 | ||
2530 | /* | |
2531 | * Encode a READ request | |
2532 | */ | |
9f06c719 | 2533 | static void nfs4_xdr_enc_read(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 2534 | const void *data) |
1da177e4 | 2535 | { |
fcc85819 | 2536 | const struct nfs_pgio_args *args = data; |
1da177e4 | 2537 | struct compound_hdr hdr = { |
66cc0429 | 2538 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2539 | }; |
1da177e4 | 2540 | |
9f06c719 CL |
2541 | encode_compound_hdr(xdr, req, &hdr); |
2542 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2543 | encode_putfh(xdr, args->fh, &hdr); | |
2544 | encode_read(xdr, args, &hdr); | |
1da177e4 | 2545 | |
cf500bac CL |
2546 | rpc_prepare_reply_pages(req, args->pages, args->pgbase, |
2547 | args->count, hdr.replen); | |
4f22ccc3 | 2548 | req->rq_rcv_buf.flags |= XDRBUF_READ; |
d017931c | 2549 | encode_nops(&hdr); |
1da177e4 LT |
2550 | } |
2551 | ||
2552 | /* | |
2553 | * Encode an SETATTR request | |
2554 | */ | |
9f06c719 | 2555 | static void nfs4_xdr_enc_setattr(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 2556 | const void *data) |
1da177e4 | 2557 | { |
fcc85819 | 2558 | const struct nfs_setattrargs *args = data; |
05d564fe | 2559 | struct compound_hdr hdr = { |
66cc0429 | 2560 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 2561 | }; |
05d564fe | 2562 | |
9f06c719 CL |
2563 | encode_compound_hdr(xdr, req, &hdr); |
2564 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2565 | encode_putfh(xdr, args->fh, &hdr); | |
2566 | encode_setattr(xdr, args, args->server, &hdr); | |
2567 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2568 | encode_nops(&hdr); |
1da177e4 LT |
2569 | } |
2570 | ||
029d105e BF |
2571 | /* |
2572 | * Encode a GETACL request | |
2573 | */ | |
9f06c719 | 2574 | static void nfs4_xdr_enc_getacl(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 2575 | const void *data) |
029d105e | 2576 | { |
fcc85819 | 2577 | const struct nfs_getaclargs *args = data; |
029d105e | 2578 | struct compound_hdr hdr = { |
66cc0429 | 2579 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
029d105e | 2580 | }; |
37c88763 TM |
2581 | const __u32 nfs4_acl_bitmap[1] = { |
2582 | [0] = FATTR4_WORD0_ACL, | |
2583 | }; | |
28f56694 | 2584 | uint32_t replen; |
029d105e | 2585 | |
9f06c719 CL |
2586 | encode_compound_hdr(xdr, req, &hdr); |
2587 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2588 | encode_putfh(xdr, args->fh, &hdr); | |
6682c14b | 2589 | replen = hdr.replen + op_decode_hdr_maxsz; |
37c88763 TM |
2590 | encode_getattr(xdr, nfs4_acl_bitmap, NULL, |
2591 | ARRAY_SIZE(nfs4_acl_bitmap), &hdr); | |
cf8cdbe5 | 2592 | |
cf500bac | 2593 | rpc_prepare_reply_pages(req, args->acl_pages, 0, |
29e7ca71 | 2594 | args->acl_len, replen + 1); |
d017931c | 2595 | encode_nops(&hdr); |
029d105e BF |
2596 | } |
2597 | ||
1da177e4 LT |
2598 | /* |
2599 | * Encode a WRITE request | |
2600 | */ | |
9f06c719 | 2601 | static void nfs4_xdr_enc_write(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 2602 | const void *data) |
1da177e4 | 2603 | { |
fcc85819 | 2604 | const struct nfs_pgio_args *args = data; |
1da177e4 | 2605 | struct compound_hdr hdr = { |
66cc0429 | 2606 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2607 | }; |
1da177e4 | 2608 | |
9f06c719 CL |
2609 | encode_compound_hdr(xdr, req, &hdr); |
2610 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2611 | encode_putfh(xdr, args->fh, &hdr); | |
2612 | encode_write(xdr, args, &hdr); | |
4f22ccc3 | 2613 | req->rq_snd_buf.flags |= XDRBUF_WRITE; |
7ffd1064 FI |
2614 | if (args->bitmask) |
2615 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2616 | encode_nops(&hdr); |
1da177e4 LT |
2617 | } |
2618 | ||
2619 | /* | |
2620 | * a COMMIT request | |
2621 | */ | |
9f06c719 | 2622 | static void nfs4_xdr_enc_commit(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 2623 | const void *data) |
1da177e4 | 2624 | { |
fcc85819 | 2625 | const struct nfs_commitargs *args = data; |
1da177e4 | 2626 | struct compound_hdr hdr = { |
66cc0429 | 2627 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2628 | }; |
1da177e4 | 2629 | |
9f06c719 CL |
2630 | encode_compound_hdr(xdr, req, &hdr); |
2631 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2632 | encode_putfh(xdr, args->fh, &hdr); | |
2633 | encode_commit(xdr, args, &hdr); | |
d017931c | 2634 | encode_nops(&hdr); |
1da177e4 LT |
2635 | } |
2636 | ||
2637 | /* | |
2638 | * FSINFO request | |
2639 | */ | |
9f06c719 | 2640 | static void nfs4_xdr_enc_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 2641 | const void *data) |
1da177e4 | 2642 | { |
fcc85819 | 2643 | const struct nfs4_fsinfo_arg *args = data; |
1da177e4 | 2644 | struct compound_hdr hdr = { |
66cc0429 | 2645 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2646 | }; |
1da177e4 | 2647 | |
9f06c719 CL |
2648 | encode_compound_hdr(xdr, req, &hdr); |
2649 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2650 | encode_putfh(xdr, args->fh, &hdr); | |
2651 | encode_fsinfo(xdr, args->bitmask, &hdr); | |
d017931c | 2652 | encode_nops(&hdr); |
1da177e4 LT |
2653 | } |
2654 | ||
2655 | /* | |
2656 | * a PATHCONF request | |
2657 | */ | |
9f06c719 | 2658 | static void nfs4_xdr_enc_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 2659 | const void *data) |
1da177e4 | 2660 | { |
fcc85819 | 2661 | const struct nfs4_pathconf_arg *args = data; |
1da177e4 | 2662 | struct compound_hdr hdr = { |
66cc0429 | 2663 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2664 | }; |
1da177e4 | 2665 | |
9f06c719 CL |
2666 | encode_compound_hdr(xdr, req, &hdr); |
2667 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2668 | encode_putfh(xdr, args->fh, &hdr); | |
37c88763 TM |
2669 | encode_getattr(xdr, nfs4_pathconf_bitmap, args->bitmask, |
2670 | ARRAY_SIZE(nfs4_pathconf_bitmap), &hdr); | |
d017931c | 2671 | encode_nops(&hdr); |
1da177e4 LT |
2672 | } |
2673 | ||
2674 | /* | |
2675 | * a STATFS request | |
2676 | */ | |
9f06c719 | 2677 | static void nfs4_xdr_enc_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 2678 | const void *data) |
1da177e4 | 2679 | { |
fcc85819 | 2680 | const struct nfs4_statfs_arg *args = data; |
1da177e4 | 2681 | struct compound_hdr hdr = { |
66cc0429 | 2682 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2683 | }; |
1da177e4 | 2684 | |
9f06c719 CL |
2685 | encode_compound_hdr(xdr, req, &hdr); |
2686 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2687 | encode_putfh(xdr, args->fh, &hdr); | |
37c88763 TM |
2688 | encode_getattr(xdr, nfs4_statfs_bitmap, args->bitmask, |
2689 | ARRAY_SIZE(nfs4_statfs_bitmap), &hdr); | |
d017931c | 2690 | encode_nops(&hdr); |
1da177e4 LT |
2691 | } |
2692 | ||
2693 | /* | |
2694 | * GETATTR_BITMAP request | |
2695 | */ | |
9f06c719 CL |
2696 | static void nfs4_xdr_enc_server_caps(struct rpc_rqst *req, |
2697 | struct xdr_stream *xdr, | |
fcc85819 | 2698 | const void *data) |
1da177e4 | 2699 | { |
fcc85819 | 2700 | const struct nfs4_server_caps_arg *args = data; |
8c61282f | 2701 | const u32 *bitmask = args->bitmask; |
1da177e4 | 2702 | struct compound_hdr hdr = { |
66cc0429 | 2703 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2704 | }; |
1da177e4 | 2705 | |
9f06c719 CL |
2706 | encode_compound_hdr(xdr, req, &hdr); |
2707 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2708 | encode_putfh(xdr, args->fhandle, &hdr); | |
37c88763 | 2709 | encode_getattr(xdr, bitmask, NULL, 3, &hdr); |
d017931c | 2710 | encode_nops(&hdr); |
1da177e4 LT |
2711 | } |
2712 | ||
2713 | /* | |
2714 | * a RENEW request | |
2715 | */ | |
9f06c719 | 2716 | static void nfs4_xdr_enc_renew(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 CH |
2717 | const void *data) |
2718 | ||
1da177e4 | 2719 | { |
fcc85819 | 2720 | const struct nfs_client *clp = data; |
1da177e4 | 2721 | struct compound_hdr hdr = { |
d017931c | 2722 | .nops = 0, |
1da177e4 LT |
2723 | }; |
2724 | ||
9f06c719 | 2725 | encode_compound_hdr(xdr, req, &hdr); |
bb4dae5e | 2726 | encode_renew(xdr, clp->cl_clientid, &hdr); |
d017931c | 2727 | encode_nops(&hdr); |
1da177e4 LT |
2728 | } |
2729 | ||
2730 | /* | |
2731 | * a SETCLIENTID request | |
2732 | */ | |
9f06c719 CL |
2733 | static void nfs4_xdr_enc_setclientid(struct rpc_rqst *req, |
2734 | struct xdr_stream *xdr, | |
fcc85819 | 2735 | const void *data) |
1da177e4 | 2736 | { |
fcc85819 | 2737 | const struct nfs4_setclientid *sc = data; |
1da177e4 | 2738 | struct compound_hdr hdr = { |
d017931c | 2739 | .nops = 0, |
1da177e4 LT |
2740 | }; |
2741 | ||
9f06c719 CL |
2742 | encode_compound_hdr(xdr, req, &hdr); |
2743 | encode_setclientid(xdr, sc, &hdr); | |
d017931c | 2744 | encode_nops(&hdr); |
1da177e4 LT |
2745 | } |
2746 | ||
2747 | /* | |
2748 | * a SETCLIENTID_CONFIRM request | |
2749 | */ | |
9f06c719 CL |
2750 | static void nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, |
2751 | struct xdr_stream *xdr, | |
fcc85819 | 2752 | const void *data) |
1da177e4 | 2753 | { |
fcc85819 | 2754 | const struct nfs4_setclientid_res *arg = data; |
1da177e4 | 2755 | struct compound_hdr hdr = { |
d017931c | 2756 | .nops = 0, |
1da177e4 | 2757 | }; |
1da177e4 | 2758 | |
9f06c719 CL |
2759 | encode_compound_hdr(xdr, req, &hdr); |
2760 | encode_setclientid_confirm(xdr, arg, &hdr); | |
d017931c | 2761 | encode_nops(&hdr); |
1da177e4 LT |
2762 | } |
2763 | ||
2764 | /* | |
2765 | * DELEGRETURN request | |
2766 | */ | |
9f06c719 CL |
2767 | static void nfs4_xdr_enc_delegreturn(struct rpc_rqst *req, |
2768 | struct xdr_stream *xdr, | |
fcc85819 | 2769 | const void *data) |
1da177e4 | 2770 | { |
fcc85819 | 2771 | const struct nfs4_delegreturnargs *args = data; |
1da177e4 | 2772 | struct compound_hdr hdr = { |
66cc0429 | 2773 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2774 | }; |
1da177e4 | 2775 | |
9f06c719 CL |
2776 | encode_compound_hdr(xdr, req, &hdr); |
2777 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2778 | encode_putfh(xdr, args->fhandle, &hdr); | |
586f1c39 TM |
2779 | if (args->lr_args) |
2780 | encode_layoutreturn(xdr, args->lr_args, &hdr); | |
8ac2b422 TM |
2781 | if (args->bitmask) |
2782 | encode_getfattr(xdr, args->bitmask, &hdr); | |
e144cbcc | 2783 | encode_delegreturn(xdr, args->stateid, &hdr); |
d017931c | 2784 | encode_nops(&hdr); |
1da177e4 LT |
2785 | } |
2786 | ||
683b57b4 TM |
2787 | /* |
2788 | * Encode FS_LOCATIONS request | |
2789 | */ | |
9f06c719 CL |
2790 | static void nfs4_xdr_enc_fs_locations(struct rpc_rqst *req, |
2791 | struct xdr_stream *xdr, | |
fcc85819 | 2792 | const void *data) |
683b57b4 | 2793 | { |
fcc85819 | 2794 | const struct nfs4_fs_locations_arg *args = data; |
683b57b4 | 2795 | struct compound_hdr hdr = { |
66cc0429 | 2796 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
683b57b4 | 2797 | }; |
28f56694 | 2798 | uint32_t replen; |
683b57b4 | 2799 | |
9f06c719 CL |
2800 | encode_compound_hdr(xdr, req, &hdr); |
2801 | encode_sequence(xdr, &args->seq_args, &hdr); | |
b03d735b CL |
2802 | if (args->migration) { |
2803 | encode_putfh(xdr, args->fh, &hdr); | |
2804 | replen = hdr.replen; | |
2805 | encode_fs_locations(xdr, args->bitmask, &hdr); | |
2806 | if (args->renew) | |
2807 | encode_renew(xdr, args->clientid, &hdr); | |
2808 | } else { | |
2809 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2810 | encode_lookup(xdr, args->name, &hdr); | |
2811 | replen = hdr.replen; | |
2812 | encode_fs_locations(xdr, args->bitmask, &hdr); | |
2813 | } | |
cf8cdbe5 | 2814 | |
cf500bac | 2815 | rpc_prepare_reply_pages(req, (struct page **)&args->page, 0, |
29e7ca71 | 2816 | PAGE_SIZE, replen + 1); |
d017931c | 2817 | encode_nops(&hdr); |
683b57b4 TM |
2818 | } |
2819 | ||
5a5ea0d4 BS |
2820 | /* |
2821 | * Encode SECINFO request | |
2822 | */ | |
2823 | static void nfs4_xdr_enc_secinfo(struct rpc_rqst *req, | |
2824 | struct xdr_stream *xdr, | |
fcc85819 | 2825 | const void *data) |
5a5ea0d4 | 2826 | { |
fcc85819 | 2827 | const struct nfs4_secinfo_arg *args = data; |
5a5ea0d4 BS |
2828 | struct compound_hdr hdr = { |
2829 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2830 | }; | |
2831 | ||
2832 | encode_compound_hdr(xdr, req, &hdr); | |
2833 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2834 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2835 | encode_secinfo(xdr, args->name, &hdr); | |
2836 | encode_nops(&hdr); | |
2837 | } | |
2838 | ||
44c99933 CL |
2839 | /* |
2840 | * Encode FSID_PRESENT request | |
2841 | */ | |
2842 | static void nfs4_xdr_enc_fsid_present(struct rpc_rqst *req, | |
2843 | struct xdr_stream *xdr, | |
fcc85819 | 2844 | const void *data) |
44c99933 | 2845 | { |
fcc85819 | 2846 | const struct nfs4_fsid_present_arg *args = data; |
44c99933 CL |
2847 | struct compound_hdr hdr = { |
2848 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2849 | }; | |
2850 | ||
2851 | encode_compound_hdr(xdr, req, &hdr); | |
2852 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2853 | encode_putfh(xdr, args->fh, &hdr); | |
2854 | encode_getfh(xdr, &hdr); | |
2855 | if (args->renew) | |
2856 | encode_renew(xdr, args->clientid, &hdr); | |
2857 | encode_nops(&hdr); | |
2858 | } | |
2859 | ||
99fe60d0 | 2860 | #if defined(CONFIG_NFS_V4_1) |
7c44f1ae WAA |
2861 | /* |
2862 | * BIND_CONN_TO_SESSION request | |
2863 | */ | |
2864 | static void nfs4_xdr_enc_bind_conn_to_session(struct rpc_rqst *req, | |
2865 | struct xdr_stream *xdr, | |
fcc85819 | 2866 | const void *data) |
7c44f1ae | 2867 | { |
fcc85819 | 2868 | const struct nfs41_bind_conn_to_session_args *args = data; |
7c44f1ae | 2869 | struct compound_hdr hdr = { |
71a097c6 | 2870 | .minorversion = args->client->cl_mvops->minor_version, |
7c44f1ae WAA |
2871 | }; |
2872 | ||
2873 | encode_compound_hdr(xdr, req, &hdr); | |
71a097c6 | 2874 | encode_bind_conn_to_session(xdr, args, &hdr); |
7c44f1ae WAA |
2875 | encode_nops(&hdr); |
2876 | } | |
2877 | ||
99fe60d0 BH |
2878 | /* |
2879 | * EXCHANGE_ID request | |
2880 | */ | |
9f06c719 CL |
2881 | static void nfs4_xdr_enc_exchange_id(struct rpc_rqst *req, |
2882 | struct xdr_stream *xdr, | |
fcc85819 | 2883 | const void *data) |
99fe60d0 | 2884 | { |
fcc85819 | 2885 | const struct nfs41_exchange_id_args *args = data; |
99fe60d0 | 2886 | struct compound_hdr hdr = { |
a4432345 | 2887 | .minorversion = args->client->cl_mvops->minor_version, |
99fe60d0 BH |
2888 | }; |
2889 | ||
9f06c719 CL |
2890 | encode_compound_hdr(xdr, req, &hdr); |
2891 | encode_exchange_id(xdr, args, &hdr); | |
99fe60d0 | 2892 | encode_nops(&hdr); |
99fe60d0 | 2893 | } |
2050f0cc | 2894 | |
fc931582 AA |
2895 | /* |
2896 | * a CREATE_SESSION request | |
2897 | */ | |
9f06c719 CL |
2898 | static void nfs4_xdr_enc_create_session(struct rpc_rqst *req, |
2899 | struct xdr_stream *xdr, | |
fcc85819 | 2900 | const void *data) |
fc931582 | 2901 | { |
fcc85819 | 2902 | const struct nfs41_create_session_args *args = data; |
fc931582 | 2903 | struct compound_hdr hdr = { |
a4432345 | 2904 | .minorversion = args->client->cl_mvops->minor_version, |
fc931582 AA |
2905 | }; |
2906 | ||
9f06c719 CL |
2907 | encode_compound_hdr(xdr, req, &hdr); |
2908 | encode_create_session(xdr, args, &hdr); | |
fc931582 | 2909 | encode_nops(&hdr); |
fc931582 AA |
2910 | } |
2911 | ||
0f3e66c6 AA |
2912 | /* |
2913 | * a DESTROY_SESSION request | |
2914 | */ | |
9f06c719 CL |
2915 | static void nfs4_xdr_enc_destroy_session(struct rpc_rqst *req, |
2916 | struct xdr_stream *xdr, | |
fcc85819 | 2917 | const void *data) |
0f3e66c6 | 2918 | { |
fcc85819 | 2919 | const struct nfs4_session *session = data; |
0f3e66c6 | 2920 | struct compound_hdr hdr = { |
a4432345 | 2921 | .minorversion = session->clp->cl_mvops->minor_version, |
0f3e66c6 AA |
2922 | }; |
2923 | ||
9f06c719 CL |
2924 | encode_compound_hdr(xdr, req, &hdr); |
2925 | encode_destroy_session(xdr, session, &hdr); | |
0f3e66c6 | 2926 | encode_nops(&hdr); |
0f3e66c6 AA |
2927 | } |
2928 | ||
66245539 TM |
2929 | /* |
2930 | * a DESTROY_CLIENTID request | |
2931 | */ | |
2932 | static void nfs4_xdr_enc_destroy_clientid(struct rpc_rqst *req, | |
2933 | struct xdr_stream *xdr, | |
fcc85819 | 2934 | const void *data) |
66245539 | 2935 | { |
fcc85819 | 2936 | const struct nfs_client *clp = data; |
66245539 TM |
2937 | struct compound_hdr hdr = { |
2938 | .minorversion = clp->cl_mvops->minor_version, | |
2939 | }; | |
2940 | ||
2941 | encode_compound_hdr(xdr, req, &hdr); | |
2942 | encode_destroy_clientid(xdr, clp->cl_clientid, &hdr); | |
2943 | encode_nops(&hdr); | |
2944 | } | |
2945 | ||
fc01cea9 AA |
2946 | /* |
2947 | * a SEQUENCE request | |
2948 | */ | |
9f06c719 | 2949 | static void nfs4_xdr_enc_sequence(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 2950 | const void *data) |
fc01cea9 | 2951 | { |
fcc85819 | 2952 | const struct nfs4_sequence_args *args = data; |
fc01cea9 AA |
2953 | struct compound_hdr hdr = { |
2954 | .minorversion = nfs4_xdr_minorversion(args), | |
2955 | }; | |
2956 | ||
9f06c719 CL |
2957 | encode_compound_hdr(xdr, req, &hdr); |
2958 | encode_sequence(xdr, args, &hdr); | |
fc01cea9 | 2959 | encode_nops(&hdr); |
fc01cea9 AA |
2960 | } |
2961 | ||
0efb01b2 DB |
2962 | #endif |
2963 | ||
2050f0cc AA |
2964 | /* |
2965 | * a GET_LEASE_TIME request | |
2966 | */ | |
9f06c719 CL |
2967 | static void nfs4_xdr_enc_get_lease_time(struct rpc_rqst *req, |
2968 | struct xdr_stream *xdr, | |
fcc85819 | 2969 | const void *data) |
2050f0cc | 2970 | { |
fcc85819 | 2971 | const struct nfs4_get_lease_time_args *args = data; |
2050f0cc AA |
2972 | struct compound_hdr hdr = { |
2973 | .minorversion = nfs4_xdr_minorversion(&args->la_seq_args), | |
2974 | }; | |
dae100c2 | 2975 | const u32 lease_bitmap[3] = { FATTR4_WORD0_LEASE_TIME }; |
2050f0cc | 2976 | |
9f06c719 CL |
2977 | encode_compound_hdr(xdr, req, &hdr); |
2978 | encode_sequence(xdr, &args->la_seq_args, &hdr); | |
2979 | encode_putrootfh(xdr, &hdr); | |
2980 | encode_fsinfo(xdr, lease_bitmap, &hdr); | |
2050f0cc | 2981 | encode_nops(&hdr); |
2050f0cc | 2982 | } |
18019753 | 2983 | |
0efb01b2 DB |
2984 | #ifdef CONFIG_NFS_V4_1 |
2985 | ||
18019753 RL |
2986 | /* |
2987 | * a RECLAIM_COMPLETE request | |
2988 | */ | |
9f06c719 CL |
2989 | static void nfs4_xdr_enc_reclaim_complete(struct rpc_rqst *req, |
2990 | struct xdr_stream *xdr, | |
fcc85819 | 2991 | const void *data) |
18019753 | 2992 | { |
fcc85819 | 2993 | const struct nfs41_reclaim_complete_args *args = data; |
18019753 RL |
2994 | struct compound_hdr hdr = { |
2995 | .minorversion = nfs4_xdr_minorversion(&args->seq_args) | |
2996 | }; | |
2997 | ||
9f06c719 CL |
2998 | encode_compound_hdr(xdr, req, &hdr); |
2999 | encode_sequence(xdr, &args->seq_args, &hdr); | |
3000 | encode_reclaim_complete(xdr, args, &hdr); | |
18019753 | 3001 | encode_nops(&hdr); |
18019753 RL |
3002 | } |
3003 | ||
b1f69b75 AA |
3004 | /* |
3005 | * Encode GETDEVICEINFO request | |
3006 | */ | |
9f06c719 CL |
3007 | static void nfs4_xdr_enc_getdeviceinfo(struct rpc_rqst *req, |
3008 | struct xdr_stream *xdr, | |
fcc85819 | 3009 | const void *data) |
b1f69b75 | 3010 | { |
fcc85819 | 3011 | const struct nfs4_getdeviceinfo_args *args = data; |
b1f69b75 AA |
3012 | struct compound_hdr hdr = { |
3013 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
3014 | }; | |
3015 | ||
9f06c719 CL |
3016 | encode_compound_hdr(xdr, req, &hdr); |
3017 | encode_sequence(xdr, &args->seq_args, &hdr); | |
3018 | encode_getdeviceinfo(xdr, args, &hdr); | |
b1f69b75 AA |
3019 | |
3020 | /* set up reply kvec. Subtract notification bitmap max size (2) | |
3021 | * so that notification bitmap is put in xdr_buf tail */ | |
cf500bac CL |
3022 | rpc_prepare_reply_pages(req, args->pdev->pages, args->pdev->pgbase, |
3023 | args->pdev->pglen, hdr.replen - 2); | |
b1f69b75 | 3024 | encode_nops(&hdr); |
b1f69b75 AA |
3025 | } |
3026 | ||
3027 | /* | |
3028 | * Encode LAYOUTGET request | |
3029 | */ | |
9f06c719 CL |
3030 | static void nfs4_xdr_enc_layoutget(struct rpc_rqst *req, |
3031 | struct xdr_stream *xdr, | |
fcc85819 | 3032 | const void *data) |
b1f69b75 | 3033 | { |
fcc85819 | 3034 | const struct nfs4_layoutget_args *args = data; |
b1f69b75 AA |
3035 | struct compound_hdr hdr = { |
3036 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
3037 | }; | |
3038 | ||
9f06c719 CL |
3039 | encode_compound_hdr(xdr, req, &hdr); |
3040 | encode_sequence(xdr, &args->seq_args, &hdr); | |
3041 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
3042 | encode_layoutget(xdr, args, &hdr); | |
35124a09 | 3043 | |
cf500bac CL |
3044 | rpc_prepare_reply_pages(req, args->layout.pages, 0, |
3045 | args->layout.pglen, hdr.replen); | |
b1f69b75 | 3046 | encode_nops(&hdr); |
b1f69b75 | 3047 | } |
863a3c6c AA |
3048 | |
3049 | /* | |
3050 | * Encode LAYOUTCOMMIT request | |
3051 | */ | |
cbe82603 BH |
3052 | static void nfs4_xdr_enc_layoutcommit(struct rpc_rqst *req, |
3053 | struct xdr_stream *xdr, | |
fcc85819 | 3054 | const void *priv) |
863a3c6c | 3055 | { |
fcc85819 | 3056 | const struct nfs4_layoutcommit_args *args = priv; |
ac7db726 BH |
3057 | struct nfs4_layoutcommit_data *data = |
3058 | container_of(args, struct nfs4_layoutcommit_data, args); | |
863a3c6c AA |
3059 | struct compound_hdr hdr = { |
3060 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
3061 | }; | |
3062 | ||
3063 | encode_compound_hdr(xdr, req, &hdr); | |
3064 | encode_sequence(xdr, &args->seq_args, &hdr); | |
3065 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
ac7db726 | 3066 | encode_layoutcommit(xdr, data->args.inode, args, &hdr); |
863a3c6c | 3067 | encode_getfattr(xdr, args->bitmask, &hdr); |
b1f69b75 | 3068 | encode_nops(&hdr); |
cbe82603 BH |
3069 | } |
3070 | ||
3071 | /* | |
3072 | * Encode LAYOUTRETURN request | |
3073 | */ | |
3074 | static void nfs4_xdr_enc_layoutreturn(struct rpc_rqst *req, | |
3075 | struct xdr_stream *xdr, | |
fcc85819 | 3076 | const void *data) |
cbe82603 | 3077 | { |
fcc85819 | 3078 | const struct nfs4_layoutreturn_args *args = data; |
cbe82603 BH |
3079 | struct compound_hdr hdr = { |
3080 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
3081 | }; | |
3082 | ||
3083 | encode_compound_hdr(xdr, req, &hdr); | |
3084 | encode_sequence(xdr, &args->seq_args, &hdr); | |
3085 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
3086 | encode_layoutreturn(xdr, args, &hdr); | |
3087 | encode_nops(&hdr); | |
b1f69b75 | 3088 | } |
fca78d6d BS |
3089 | |
3090 | /* | |
3091 | * Encode SECINFO_NO_NAME request | |
3092 | */ | |
fcc85819 | 3093 | static void nfs4_xdr_enc_secinfo_no_name(struct rpc_rqst *req, |
fca78d6d | 3094 | struct xdr_stream *xdr, |
fcc85819 | 3095 | const void *data) |
fca78d6d | 3096 | { |
fcc85819 | 3097 | const struct nfs41_secinfo_no_name_args *args = data; |
fca78d6d BS |
3098 | struct compound_hdr hdr = { |
3099 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
3100 | }; | |
3101 | ||
3102 | encode_compound_hdr(xdr, req, &hdr); | |
3103 | encode_sequence(xdr, &args->seq_args, &hdr); | |
3104 | encode_putrootfh(xdr, &hdr); | |
3105 | encode_secinfo_no_name(xdr, args, &hdr); | |
3106 | encode_nops(&hdr); | |
fca78d6d | 3107 | } |
7d974794 BS |
3108 | |
3109 | /* | |
3110 | * Encode TEST_STATEID request | |
3111 | */ | |
3112 | static void nfs4_xdr_enc_test_stateid(struct rpc_rqst *req, | |
3113 | struct xdr_stream *xdr, | |
fcc85819 | 3114 | const void *data) |
7d974794 | 3115 | { |
fcc85819 | 3116 | const struct nfs41_test_stateid_args *args = data; |
7d974794 BS |
3117 | struct compound_hdr hdr = { |
3118 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
3119 | }; | |
3120 | ||
3121 | encode_compound_hdr(xdr, req, &hdr); | |
3122 | encode_sequence(xdr, &args->seq_args, &hdr); | |
3123 | encode_test_stateid(xdr, args, &hdr); | |
3124 | encode_nops(&hdr); | |
3125 | } | |
9aeda35f BS |
3126 | |
3127 | /* | |
3128 | * Encode FREE_STATEID request | |
3129 | */ | |
3130 | static void nfs4_xdr_enc_free_stateid(struct rpc_rqst *req, | |
3131 | struct xdr_stream *xdr, | |
fcc85819 | 3132 | const void *data) |
9aeda35f | 3133 | { |
fcc85819 | 3134 | const struct nfs41_free_stateid_args *args = data; |
9aeda35f BS |
3135 | struct compound_hdr hdr = { |
3136 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
3137 | }; | |
3138 | ||
3139 | encode_compound_hdr(xdr, req, &hdr); | |
3140 | encode_sequence(xdr, &args->seq_args, &hdr); | |
3141 | encode_free_stateid(xdr, args, &hdr); | |
3142 | encode_nops(&hdr); | |
3143 | } | |
99fe60d0 BH |
3144 | #endif /* CONFIG_NFS_V4_1 */ |
3145 | ||
683b57b4 | 3146 | static int decode_opaque_inline(struct xdr_stream *xdr, unsigned int *len, char **string) |
1da177e4 | 3147 | { |
6da59ce2 TM |
3148 | ssize_t ret = xdr_stream_decode_opaque_inline(xdr, (void **)string, |
3149 | NFS4_OPAQUE_LIMIT); | |
eb72f484 | 3150 | if (unlikely(ret < 0)) |
6da59ce2 | 3151 | return -EIO; |
6da59ce2 | 3152 | *len = ret; |
1da177e4 LT |
3153 | return 0; |
3154 | } | |
3155 | ||
3156 | static int decode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr) | |
3157 | { | |
8687b63a | 3158 | __be32 *p; |
1da177e4 | 3159 | |
c0eae66e BH |
3160 | p = xdr_inline_decode(xdr, 8); |
3161 | if (unlikely(!p)) | |
eb72f484 | 3162 | return -EIO; |
6f723f77 | 3163 | hdr->status = be32_to_cpup(p++); |
cccddf4f | 3164 | hdr->taglen = be32_to_cpup(p); |
6c0195a4 | 3165 | |
c0eae66e BH |
3166 | p = xdr_inline_decode(xdr, hdr->taglen + 4); |
3167 | if (unlikely(!p)) | |
eb72f484 | 3168 | return -EIO; |
1da177e4 LT |
3169 | hdr->tag = (char *)p; |
3170 | p += XDR_QUADLEN(hdr->taglen); | |
cccddf4f | 3171 | hdr->nops = be32_to_cpup(p); |
aadf6152 BH |
3172 | if (unlikely(hdr->nops < 1)) |
3173 | return nfs4_stat_to_errno(hdr->status); | |
1da177e4 LT |
3174 | return 0; |
3175 | } | |
3176 | ||
c7848f69 TM |
3177 | static bool __decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected, |
3178 | int *nfs_retval) | |
1da177e4 | 3179 | { |
8687b63a | 3180 | __be32 *p; |
1da177e4 LT |
3181 | uint32_t opnum; |
3182 | int32_t nfserr; | |
3183 | ||
c0eae66e BH |
3184 | p = xdr_inline_decode(xdr, 8); |
3185 | if (unlikely(!p)) | |
3186 | goto out_overflow; | |
6f723f77 | 3187 | opnum = be32_to_cpup(p++); |
c7848f69 TM |
3188 | if (unlikely(opnum != expected)) |
3189 | goto out_bad_operation; | |
f23f6584 CL |
3190 | if (unlikely(*p != cpu_to_be32(NFS_OK))) |
3191 | goto out_status; | |
3192 | *nfs_retval = 0; | |
3193 | return true; | |
3194 | out_status: | |
cccddf4f | 3195 | nfserr = be32_to_cpup(p); |
62a92ba9 | 3196 | trace_nfs4_xdr_status(xdr, opnum, nfserr); |
f23f6584 | 3197 | *nfs_retval = nfs4_stat_to_errno(nfserr); |
c7848f69 TM |
3198 | return true; |
3199 | out_bad_operation: | |
3200 | dprintk("nfs: Server returned operation" | |
3201 | " %d but we issued a request for %d\n", | |
3202 | opnum, expected); | |
3203 | *nfs_retval = -EREMOTEIO; | |
3204 | return false; | |
c0eae66e | 3205 | out_overflow: |
c7848f69 TM |
3206 | *nfs_retval = -EIO; |
3207 | return false; | |
3208 | } | |
3209 | ||
3210 | static int decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected) | |
3211 | { | |
3212 | int retval; | |
3213 | ||
3214 | __decode_op_hdr(xdr, expected, &retval); | |
3215 | return retval; | |
1da177e4 LT |
3216 | } |
3217 | ||
3218 | /* Dummy routine */ | |
1bbe60ff | 3219 | static int decode_ace(struct xdr_stream *xdr, void *ace) |
1da177e4 | 3220 | { |
8687b63a | 3221 | __be32 *p; |
683b57b4 | 3222 | unsigned int strlen; |
1da177e4 LT |
3223 | char *str; |
3224 | ||
c0eae66e | 3225 | p = xdr_inline_decode(xdr, 12); |
eb72f484 CL |
3226 | if (unlikely(!p)) |
3227 | return -EIO; | |
3228 | return decode_opaque_inline(xdr, &strlen, &str); | |
1da177e4 LT |
3229 | } |
3230 | ||
37c88763 TM |
3231 | static ssize_t |
3232 | decode_bitmap4(struct xdr_stream *xdr, uint32_t *bitmap, size_t sz) | |
1da177e4 | 3233 | { |
37c88763 | 3234 | ssize_t ret; |
1da177e4 | 3235 | |
37c88763 TM |
3236 | ret = xdr_stream_decode_uint32_array(xdr, bitmap, sz); |
3237 | if (likely(ret >= 0)) | |
3238 | return ret; | |
eb72f484 CL |
3239 | if (ret != -EMSGSIZE) |
3240 | return -EIO; | |
3241 | return sz; | |
1da177e4 LT |
3242 | } |
3243 | ||
37c88763 TM |
3244 | static int decode_attr_bitmap(struct xdr_stream *xdr, uint32_t *bitmap) |
3245 | { | |
3246 | ssize_t ret; | |
3247 | ret = decode_bitmap4(xdr, bitmap, 3); | |
3248 | return ret < 0 ? ret : 0; | |
3249 | } | |
3250 | ||
256e48bb | 3251 | static int decode_attr_length(struct xdr_stream *xdr, uint32_t *attrlen, unsigned int *savep) |
1da177e4 | 3252 | { |
8687b63a | 3253 | __be32 *p; |
1da177e4 | 3254 | |
c0eae66e BH |
3255 | p = xdr_inline_decode(xdr, 4); |
3256 | if (unlikely(!p)) | |
eb72f484 | 3257 | return -EIO; |
cccddf4f | 3258 | *attrlen = be32_to_cpup(p); |
256e48bb | 3259 | *savep = xdr_stream_pos(xdr); |
1da177e4 LT |
3260 | return 0; |
3261 | } | |
3262 | ||
3263 | static int decode_attr_supported(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *bitmask) | |
3264 | { | |
3265 | if (likely(bitmap[0] & FATTR4_WORD0_SUPPORTED_ATTRS)) { | |
3388bff5 RB |
3266 | int ret; |
3267 | ret = decode_attr_bitmap(xdr, bitmask); | |
3268 | if (unlikely(ret < 0)) | |
3269 | return ret; | |
1da177e4 LT |
3270 | bitmap[0] &= ~FATTR4_WORD0_SUPPORTED_ATTRS; |
3271 | } else | |
dae100c2 FI |
3272 | bitmask[0] = bitmask[1] = bitmask[2] = 0; |
3273 | dprintk("%s: bitmask=%08x:%08x:%08x\n", __func__, | |
3274 | bitmask[0], bitmask[1], bitmask[2]); | |
1da177e4 LT |
3275 | return 0; |
3276 | } | |
3277 | ||
3278 | static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *type) | |
3279 | { | |
8687b63a | 3280 | __be32 *p; |
409924e4 | 3281 | int ret = 0; |
1da177e4 LT |
3282 | |
3283 | *type = 0; | |
3284 | if (unlikely(bitmap[0] & (FATTR4_WORD0_TYPE - 1U))) | |
3285 | return -EIO; | |
3286 | if (likely(bitmap[0] & FATTR4_WORD0_TYPE)) { | |
c0eae66e BH |
3287 | p = xdr_inline_decode(xdr, 4); |
3288 | if (unlikely(!p)) | |
eb72f484 | 3289 | return -EIO; |
cccddf4f | 3290 | *type = be32_to_cpup(p); |
1da177e4 | 3291 | if (*type < NF4REG || *type > NF4NAMEDATTR) { |
3110ff80 | 3292 | dprintk("%s: bad type %d\n", __func__, *type); |
1da177e4 LT |
3293 | return -EIO; |
3294 | } | |
3295 | bitmap[0] &= ~FATTR4_WORD0_TYPE; | |
409924e4 | 3296 | ret = NFS_ATTR_FATTR_TYPE; |
1da177e4 | 3297 | } |
bca79478 | 3298 | dprintk("%s: type=0%o\n", __func__, nfs_type2fmt[*type]); |
409924e4 | 3299 | return ret; |
1da177e4 LT |
3300 | } |
3301 | ||
264e6351 CL |
3302 | static int decode_attr_fh_expire_type(struct xdr_stream *xdr, |
3303 | uint32_t *bitmap, uint32_t *type) | |
3304 | { | |
3305 | __be32 *p; | |
3306 | ||
3307 | *type = 0; | |
3308 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FH_EXPIRE_TYPE - 1U))) | |
3309 | return -EIO; | |
3310 | if (likely(bitmap[0] & FATTR4_WORD0_FH_EXPIRE_TYPE)) { | |
3311 | p = xdr_inline_decode(xdr, 4); | |
3312 | if (unlikely(!p)) | |
eb72f484 | 3313 | return -EIO; |
264e6351 CL |
3314 | *type = be32_to_cpup(p); |
3315 | bitmap[0] &= ~FATTR4_WORD0_FH_EXPIRE_TYPE; | |
3316 | } | |
3317 | dprintk("%s: expire type=0x%x\n", __func__, *type); | |
3318 | return 0; | |
264e6351 CL |
3319 | } |
3320 | ||
1da177e4 LT |
3321 | static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *change) |
3322 | { | |
8687b63a | 3323 | __be32 *p; |
409924e4 | 3324 | int ret = 0; |
1da177e4 LT |
3325 | |
3326 | *change = 0; | |
3327 | if (unlikely(bitmap[0] & (FATTR4_WORD0_CHANGE - 1U))) | |
3328 | return -EIO; | |
3329 | if (likely(bitmap[0] & FATTR4_WORD0_CHANGE)) { | |
c0eae66e BH |
3330 | p = xdr_inline_decode(xdr, 8); |
3331 | if (unlikely(!p)) | |
eb72f484 | 3332 | return -EIO; |
cccddf4f | 3333 | xdr_decode_hyper(p, change); |
1da177e4 | 3334 | bitmap[0] &= ~FATTR4_WORD0_CHANGE; |
409924e4 | 3335 | ret = NFS_ATTR_FATTR_CHANGE; |
1da177e4 | 3336 | } |
3110ff80 | 3337 | dprintk("%s: change attribute=%Lu\n", __func__, |
1da177e4 | 3338 | (unsigned long long)*change); |
409924e4 | 3339 | return ret; |
1da177e4 LT |
3340 | } |
3341 | ||
3342 | static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *size) | |
3343 | { | |
8687b63a | 3344 | __be32 *p; |
409924e4 | 3345 | int ret = 0; |
1da177e4 LT |
3346 | |
3347 | *size = 0; | |
3348 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SIZE - 1U))) | |
3349 | return -EIO; | |
3350 | if (likely(bitmap[0] & FATTR4_WORD0_SIZE)) { | |
c0eae66e BH |
3351 | p = xdr_inline_decode(xdr, 8); |
3352 | if (unlikely(!p)) | |
eb72f484 | 3353 | return -EIO; |
cccddf4f | 3354 | xdr_decode_hyper(p, size); |
1da177e4 | 3355 | bitmap[0] &= ~FATTR4_WORD0_SIZE; |
409924e4 | 3356 | ret = NFS_ATTR_FATTR_SIZE; |
1da177e4 | 3357 | } |
3110ff80 | 3358 | dprintk("%s: file size=%Lu\n", __func__, (unsigned long long)*size); |
409924e4 | 3359 | return ret; |
1da177e4 LT |
3360 | } |
3361 | ||
3362 | static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3363 | { | |
8687b63a | 3364 | __be32 *p; |
1da177e4 LT |
3365 | |
3366 | *res = 0; | |
3367 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LINK_SUPPORT - 1U))) | |
3368 | return -EIO; | |
3369 | if (likely(bitmap[0] & FATTR4_WORD0_LINK_SUPPORT)) { | |
c0eae66e BH |
3370 | p = xdr_inline_decode(xdr, 4); |
3371 | if (unlikely(!p)) | |
eb72f484 | 3372 | return -EIO; |
cccddf4f | 3373 | *res = be32_to_cpup(p); |
1da177e4 LT |
3374 | bitmap[0] &= ~FATTR4_WORD0_LINK_SUPPORT; |
3375 | } | |
3110ff80 | 3376 | dprintk("%s: link support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 LT |
3377 | return 0; |
3378 | } | |
3379 | ||
3380 | static int decode_attr_symlink_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3381 | { | |
8687b63a | 3382 | __be32 *p; |
1da177e4 LT |
3383 | |
3384 | *res = 0; | |
3385 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SYMLINK_SUPPORT - 1U))) | |
3386 | return -EIO; | |
3387 | if (likely(bitmap[0] & FATTR4_WORD0_SYMLINK_SUPPORT)) { | |
c0eae66e BH |
3388 | p = xdr_inline_decode(xdr, 4); |
3389 | if (unlikely(!p)) | |
eb72f484 | 3390 | return -EIO; |
cccddf4f | 3391 | *res = be32_to_cpup(p); |
1da177e4 LT |
3392 | bitmap[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT; |
3393 | } | |
3110ff80 | 3394 | dprintk("%s: symlink support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 LT |
3395 | return 0; |
3396 | } | |
3397 | ||
8b4bdcf8 | 3398 | static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fsid *fsid) |
1da177e4 | 3399 | { |
8687b63a | 3400 | __be32 *p; |
409924e4 | 3401 | int ret = 0; |
1da177e4 LT |
3402 | |
3403 | fsid->major = 0; | |
3404 | fsid->minor = 0; | |
3405 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FSID - 1U))) | |
3406 | return -EIO; | |
3407 | if (likely(bitmap[0] & FATTR4_WORD0_FSID)) { | |
c0eae66e BH |
3408 | p = xdr_inline_decode(xdr, 16); |
3409 | if (unlikely(!p)) | |
eb72f484 | 3410 | return -EIO; |
3ceb4dbb | 3411 | p = xdr_decode_hyper(p, &fsid->major); |
cccddf4f | 3412 | xdr_decode_hyper(p, &fsid->minor); |
1da177e4 | 3413 | bitmap[0] &= ~FATTR4_WORD0_FSID; |
409924e4 | 3414 | ret = NFS_ATTR_FATTR_FSID; |
1da177e4 | 3415 | } |
3110ff80 | 3416 | dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __func__, |
1da177e4 LT |
3417 | (unsigned long long)fsid->major, |
3418 | (unsigned long long)fsid->minor); | |
409924e4 | 3419 | return ret; |
1da177e4 LT |
3420 | } |
3421 | ||
3422 | static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3423 | { | |
8687b63a | 3424 | __be32 *p; |
1da177e4 LT |
3425 | |
3426 | *res = 60; | |
3427 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LEASE_TIME - 1U))) | |
3428 | return -EIO; | |
3429 | if (likely(bitmap[0] & FATTR4_WORD0_LEASE_TIME)) { | |
c0eae66e BH |
3430 | p = xdr_inline_decode(xdr, 4); |
3431 | if (unlikely(!p)) | |
eb72f484 | 3432 | return -EIO; |
cccddf4f | 3433 | *res = be32_to_cpup(p); |
1da177e4 LT |
3434 | bitmap[0] &= ~FATTR4_WORD0_LEASE_TIME; |
3435 | } | |
2eaf426d | 3436 | dprintk("%s: lease time=%u\n", __func__, (unsigned int)*res); |
1da177e4 LT |
3437 | return 0; |
3438 | } | |
3439 | ||
ee7b75fc | 3440 | static int decode_attr_error(struct xdr_stream *xdr, uint32_t *bitmap, int32_t *res) |
ae42c70a BS |
3441 | { |
3442 | __be32 *p; | |
3443 | ||
3444 | if (unlikely(bitmap[0] & (FATTR4_WORD0_RDATTR_ERROR - 1U))) | |
3445 | return -EIO; | |
3446 | if (likely(bitmap[0] & FATTR4_WORD0_RDATTR_ERROR)) { | |
3447 | p = xdr_inline_decode(xdr, 4); | |
3448 | if (unlikely(!p)) | |
eb72f484 | 3449 | return -EIO; |
ae42c70a | 3450 | bitmap[0] &= ~FATTR4_WORD0_RDATTR_ERROR; |
ee7b75fc | 3451 | *res = -be32_to_cpup(p); |
ae42c70a BS |
3452 | } |
3453 | return 0; | |
ae42c70a BS |
3454 | } |
3455 | ||
8c61282f KM |
3456 | static int decode_attr_exclcreat_supported(struct xdr_stream *xdr, |
3457 | uint32_t *bitmap, uint32_t *bitmask) | |
3458 | { | |
3459 | if (likely(bitmap[2] & FATTR4_WORD2_SUPPATTR_EXCLCREAT)) { | |
3460 | int ret; | |
3461 | ret = decode_attr_bitmap(xdr, bitmask); | |
3462 | if (unlikely(ret < 0)) | |
3463 | return ret; | |
3464 | bitmap[2] &= ~FATTR4_WORD2_SUPPATTR_EXCLCREAT; | |
3465 | } else | |
3466 | bitmask[0] = bitmask[1] = bitmask[2] = 0; | |
3467 | dprintk("%s: bitmask=%08x:%08x:%08x\n", __func__, | |
3468 | bitmask[0], bitmask[1], bitmask[2]); | |
3469 | return 0; | |
3470 | } | |
3471 | ||
ae42c70a BS |
3472 | static int decode_attr_filehandle(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fh *fh) |
3473 | { | |
3474 | __be32 *p; | |
86bbd742 | 3475 | u32 len; |
ae42c70a | 3476 | |
7ad07353 TM |
3477 | if (fh != NULL) |
3478 | memset(fh, 0, sizeof(*fh)); | |
ae42c70a BS |
3479 | |
3480 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEHANDLE - 1U))) | |
3481 | return -EIO; | |
3482 | if (likely(bitmap[0] & FATTR4_WORD0_FILEHANDLE)) { | |
3483 | p = xdr_inline_decode(xdr, 4); | |
3484 | if (unlikely(!p)) | |
eb72f484 | 3485 | return -EIO; |
ae42c70a BS |
3486 | len = be32_to_cpup(p); |
3487 | if (len > NFS4_FHSIZE) | |
3488 | return -EIO; | |
ae42c70a BS |
3489 | p = xdr_inline_decode(xdr, len); |
3490 | if (unlikely(!p)) | |
eb72f484 | 3491 | return -EIO; |
7ad07353 TM |
3492 | if (fh != NULL) { |
3493 | memcpy(fh->data, p, len); | |
3494 | fh->size = len; | |
3495 | } | |
ae42c70a BS |
3496 | bitmap[0] &= ~FATTR4_WORD0_FILEHANDLE; |
3497 | } | |
3498 | return 0; | |
ae42c70a BS |
3499 | } |
3500 | ||
1da177e4 LT |
3501 | static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) |
3502 | { | |
8687b63a | 3503 | __be32 *p; |
1da177e4 | 3504 | |
a1800aca | 3505 | *res = 0; |
1da177e4 LT |
3506 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACLSUPPORT - 1U))) |
3507 | return -EIO; | |
3508 | if (likely(bitmap[0] & FATTR4_WORD0_ACLSUPPORT)) { | |
c0eae66e BH |
3509 | p = xdr_inline_decode(xdr, 4); |
3510 | if (unlikely(!p)) | |
eb72f484 | 3511 | return -EIO; |
cccddf4f | 3512 | *res = be32_to_cpup(p); |
1da177e4 LT |
3513 | bitmap[0] &= ~FATTR4_WORD0_ACLSUPPORT; |
3514 | } | |
3110ff80 | 3515 | dprintk("%s: ACLs supported=%u\n", __func__, (unsigned int)*res); |
1da177e4 LT |
3516 | return 0; |
3517 | } | |
3518 | ||
3519 | static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) | |
3520 | { | |
8687b63a | 3521 | __be32 *p; |
409924e4 | 3522 | int ret = 0; |
1da177e4 LT |
3523 | |
3524 | *fileid = 0; | |
3525 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEID - 1U))) | |
3526 | return -EIO; | |
3527 | if (likely(bitmap[0] & FATTR4_WORD0_FILEID)) { | |
c0eae66e BH |
3528 | p = xdr_inline_decode(xdr, 8); |
3529 | if (unlikely(!p)) | |
eb72f484 | 3530 | return -EIO; |
cccddf4f | 3531 | xdr_decode_hyper(p, fileid); |
1da177e4 | 3532 | bitmap[0] &= ~FATTR4_WORD0_FILEID; |
409924e4 | 3533 | ret = NFS_ATTR_FATTR_FILEID; |
1da177e4 | 3534 | } |
3110ff80 | 3535 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
409924e4 | 3536 | return ret; |
1da177e4 LT |
3537 | } |
3538 | ||
99baf625 MN |
3539 | static int decode_attr_mounted_on_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) |
3540 | { | |
8687b63a | 3541 | __be32 *p; |
409924e4 | 3542 | int ret = 0; |
99baf625 MN |
3543 | |
3544 | *fileid = 0; | |
3545 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MOUNTED_ON_FILEID - 1U))) | |
3546 | return -EIO; | |
3547 | if (likely(bitmap[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) { | |
c0eae66e BH |
3548 | p = xdr_inline_decode(xdr, 8); |
3549 | if (unlikely(!p)) | |
eb72f484 | 3550 | return -EIO; |
cccddf4f | 3551 | xdr_decode_hyper(p, fileid); |
99baf625 | 3552 | bitmap[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID; |
28331a46 | 3553 | ret = NFS_ATTR_FATTR_MOUNTED_ON_FILEID; |
99baf625 | 3554 | } |
3110ff80 | 3555 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
409924e4 | 3556 | return ret; |
99baf625 MN |
3557 | } |
3558 | ||
1da177e4 LT |
3559 | static int decode_attr_files_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
3560 | { | |
8687b63a | 3561 | __be32 *p; |
1da177e4 LT |
3562 | int status = 0; |
3563 | ||
3564 | *res = 0; | |
3565 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_AVAIL - 1U))) | |
3566 | return -EIO; | |
3567 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_AVAIL)) { | |
c0eae66e BH |
3568 | p = xdr_inline_decode(xdr, 8); |
3569 | if (unlikely(!p)) | |
eb72f484 | 3570 | return -EIO; |
cccddf4f | 3571 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3572 | bitmap[0] &= ~FATTR4_WORD0_FILES_AVAIL; |
3573 | } | |
3110ff80 | 3574 | dprintk("%s: files avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 LT |
3575 | return status; |
3576 | } | |
3577 | ||
3578 | static int decode_attr_files_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3579 | { | |
8687b63a | 3580 | __be32 *p; |
1da177e4 LT |
3581 | int status = 0; |
3582 | ||
3583 | *res = 0; | |
3584 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_FREE - 1U))) | |
3585 | return -EIO; | |
3586 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_FREE)) { | |
c0eae66e BH |
3587 | p = xdr_inline_decode(xdr, 8); |
3588 | if (unlikely(!p)) | |
eb72f484 | 3589 | return -EIO; |
cccddf4f | 3590 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3591 | bitmap[0] &= ~FATTR4_WORD0_FILES_FREE; |
3592 | } | |
3110ff80 | 3593 | dprintk("%s: files free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 LT |
3594 | return status; |
3595 | } | |
3596 | ||
3597 | static int decode_attr_files_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3598 | { | |
8687b63a | 3599 | __be32 *p; |
1da177e4 LT |
3600 | int status = 0; |
3601 | ||
3602 | *res = 0; | |
3603 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_TOTAL - 1U))) | |
3604 | return -EIO; | |
3605 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_TOTAL)) { | |
c0eae66e BH |
3606 | p = xdr_inline_decode(xdr, 8); |
3607 | if (unlikely(!p)) | |
eb72f484 | 3608 | return -EIO; |
cccddf4f | 3609 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3610 | bitmap[0] &= ~FATTR4_WORD0_FILES_TOTAL; |
3611 | } | |
3110ff80 | 3612 | dprintk("%s: files total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 LT |
3613 | return status; |
3614 | } | |
3615 | ||
7aaa0b3b MN |
3616 | static int decode_pathname(struct xdr_stream *xdr, struct nfs4_pathname *path) |
3617 | { | |
464ad6b1 | 3618 | u32 n; |
8687b63a | 3619 | __be32 *p; |
7aaa0b3b MN |
3620 | int status = 0; |
3621 | ||
c0eae66e BH |
3622 | p = xdr_inline_decode(xdr, 4); |
3623 | if (unlikely(!p)) | |
eb72f484 | 3624 | return -EIO; |
cccddf4f | 3625 | n = be32_to_cpup(p); |
33a43f28 AA |
3626 | if (n == 0) |
3627 | goto root_path; | |
02a2976c | 3628 | dprintk("pathname4: "); |
809b426c TM |
3629 | if (n > NFS4_PATHNAME_MAXCOMPONENTS) { |
3630 | dprintk("cannot parse %d components in path\n", n); | |
3631 | goto out_eio; | |
3632 | } | |
3633 | for (path->ncomponents = 0; path->ncomponents < n; path->ncomponents++) { | |
7aaa0b3b MN |
3634 | struct nfs4_string *component = &path->components[path->ncomponents]; |
3635 | status = decode_opaque_inline(xdr, &component->len, &component->data); | |
3636 | if (unlikely(status != 0)) | |
3637 | goto out_eio; | |
95a13f7b | 3638 | ifdebug (XDR) |
02a2976c CL |
3639 | pr_cont("%s%.*s ", |
3640 | (path->ncomponents != n ? "/ " : ""), | |
3641 | component->len, component->data); | |
7aaa0b3b MN |
3642 | } |
3643 | out: | |
7aaa0b3b | 3644 | return status; |
33a43f28 AA |
3645 | root_path: |
3646 | /* a root pathname is sent as a zero component4 */ | |
3647 | path->ncomponents = 1; | |
3648 | path->components[0].len=0; | |
3649 | path->components[0].data=NULL; | |
02a2976c | 3650 | dprintk("pathname4: /\n"); |
33a43f28 | 3651 | goto out; |
7aaa0b3b MN |
3652 | out_eio: |
3653 | dprintk(" status %d", status); | |
3654 | status = -EIO; | |
3655 | goto out; | |
3656 | } | |
3657 | ||
3658 | static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_fs_locations *res) | |
683b57b4 TM |
3659 | { |
3660 | int n; | |
8687b63a | 3661 | __be32 *p; |
683b57b4 TM |
3662 | int status = -EIO; |
3663 | ||
3664 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FS_LOCATIONS -1U))) | |
3665 | goto out; | |
3666 | status = 0; | |
3667 | if (unlikely(!(bitmap[0] & FATTR4_WORD0_FS_LOCATIONS))) | |
3668 | goto out; | |
f54423a1 | 3669 | bitmap[0] &= ~FATTR4_WORD0_FS_LOCATIONS; |
8b7e3f49 TM |
3670 | status = -EIO; |
3671 | /* Ignore borken servers that return unrequested attrs */ | |
3672 | if (unlikely(res == NULL)) | |
3673 | goto out; | |
02a2976c | 3674 | dprintk("%s: fsroot:\n", __func__); |
7aaa0b3b | 3675 | status = decode_pathname(xdr, &res->fs_path); |
683b57b4 TM |
3676 | if (unlikely(status != 0)) |
3677 | goto out; | |
c0eae66e BH |
3678 | p = xdr_inline_decode(xdr, 4); |
3679 | if (unlikely(!p)) | |
eb72f484 | 3680 | goto out_eio; |
cccddf4f | 3681 | n = be32_to_cpup(p); |
683b57b4 TM |
3682 | if (n <= 0) |
3683 | goto out_eio; | |
809b426c | 3684 | for (res->nlocations = 0; res->nlocations < n; res->nlocations++) { |
464ad6b1 | 3685 | u32 m; |
809b426c | 3686 | struct nfs4_fs_location *loc; |
683b57b4 | 3687 | |
809b426c TM |
3688 | if (res->nlocations == NFS4_FS_LOCATIONS_MAXENTRIES) |
3689 | break; | |
3690 | loc = &res->locations[res->nlocations]; | |
c0eae66e BH |
3691 | p = xdr_inline_decode(xdr, 4); |
3692 | if (unlikely(!p)) | |
eb72f484 | 3693 | goto out_eio; |
cccddf4f | 3694 | m = be32_to_cpup(p); |
7aaa0b3b | 3695 | |
02a2976c | 3696 | dprintk("%s: servers:\n", __func__); |
809b426c TM |
3697 | for (loc->nservers = 0; loc->nservers < m; loc->nservers++) { |
3698 | struct nfs4_string *server; | |
3699 | ||
3700 | if (loc->nservers == NFS4_FS_LOCATION_MAXSERVERS) { | |
464ad6b1 CL |
3701 | unsigned int i; |
3702 | dprintk("%s: using first %u of %u servers " | |
3703 | "returned for location %u\n", | |
3110ff80 | 3704 | __func__, |
464ad6b1 CL |
3705 | NFS4_FS_LOCATION_MAXSERVERS, |
3706 | m, res->nlocations); | |
7aaa0b3b | 3707 | for (i = loc->nservers; i < m; i++) { |
2e42c3e2 | 3708 | unsigned int len; |
7aaa0b3b MN |
3709 | char *data; |
3710 | status = decode_opaque_inline(xdr, &len, &data); | |
3711 | if (unlikely(status != 0)) | |
3712 | goto out_eio; | |
3713 | } | |
809b426c | 3714 | break; |
7aaa0b3b | 3715 | } |
809b426c TM |
3716 | server = &loc->servers[loc->nservers]; |
3717 | status = decode_opaque_inline(xdr, &server->len, &server->data); | |
3718 | if (unlikely(status != 0)) | |
3719 | goto out_eio; | |
3720 | dprintk("%s ", server->data); | |
7aaa0b3b MN |
3721 | } |
3722 | status = decode_pathname(xdr, &loc->rootpath); | |
683b57b4 TM |
3723 | if (unlikely(status != 0)) |
3724 | goto out_eio; | |
683b57b4 | 3725 | } |
409924e4 | 3726 | if (res->nlocations != 0) |
81934ddb | 3727 | status = NFS_ATTR_FATTR_V4_LOCATIONS; |
683b57b4 | 3728 | out: |
3110ff80 | 3729 | dprintk("%s: fs_locations done, error = %d\n", __func__, status); |
683b57b4 TM |
3730 | return status; |
3731 | out_eio: | |
3732 | status = -EIO; | |
3733 | goto out; | |
3734 | } | |
3735 | ||
1da177e4 LT |
3736 | static int decode_attr_maxfilesize(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
3737 | { | |
8687b63a | 3738 | __be32 *p; |
1da177e4 LT |
3739 | int status = 0; |
3740 | ||
3741 | *res = 0; | |
3742 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXFILESIZE - 1U))) | |
3743 | return -EIO; | |
3744 | if (likely(bitmap[0] & FATTR4_WORD0_MAXFILESIZE)) { | |
c0eae66e BH |
3745 | p = xdr_inline_decode(xdr, 8); |
3746 | if (unlikely(!p)) | |
eb72f484 | 3747 | return -EIO; |
cccddf4f | 3748 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3749 | bitmap[0] &= ~FATTR4_WORD0_MAXFILESIZE; |
3750 | } | |
3110ff80 | 3751 | dprintk("%s: maxfilesize=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 LT |
3752 | return status; |
3753 | } | |
3754 | ||
3755 | static int decode_attr_maxlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxlink) | |
3756 | { | |
8687b63a | 3757 | __be32 *p; |
1da177e4 LT |
3758 | int status = 0; |
3759 | ||
3760 | *maxlink = 1; | |
3761 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXLINK - 1U))) | |
3762 | return -EIO; | |
3763 | if (likely(bitmap[0] & FATTR4_WORD0_MAXLINK)) { | |
c0eae66e BH |
3764 | p = xdr_inline_decode(xdr, 4); |
3765 | if (unlikely(!p)) | |
eb72f484 | 3766 | return -EIO; |
cccddf4f | 3767 | *maxlink = be32_to_cpup(p); |
1da177e4 LT |
3768 | bitmap[0] &= ~FATTR4_WORD0_MAXLINK; |
3769 | } | |
3110ff80 | 3770 | dprintk("%s: maxlink=%u\n", __func__, *maxlink); |
1da177e4 LT |
3771 | return status; |
3772 | } | |
3773 | ||
3774 | static int decode_attr_maxname(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxname) | |
3775 | { | |
8687b63a | 3776 | __be32 *p; |
1da177e4 LT |
3777 | int status = 0; |
3778 | ||
3779 | *maxname = 1024; | |
3780 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXNAME - 1U))) | |
3781 | return -EIO; | |
3782 | if (likely(bitmap[0] & FATTR4_WORD0_MAXNAME)) { | |
c0eae66e BH |
3783 | p = xdr_inline_decode(xdr, 4); |
3784 | if (unlikely(!p)) | |
eb72f484 | 3785 | return -EIO; |
cccddf4f | 3786 | *maxname = be32_to_cpup(p); |
1da177e4 LT |
3787 | bitmap[0] &= ~FATTR4_WORD0_MAXNAME; |
3788 | } | |
3110ff80 | 3789 | dprintk("%s: maxname=%u\n", __func__, *maxname); |
1da177e4 LT |
3790 | return status; |
3791 | } | |
3792 | ||
3793 | static int decode_attr_maxread(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3794 | { | |
8687b63a | 3795 | __be32 *p; |
1da177e4 LT |
3796 | int status = 0; |
3797 | ||
3798 | *res = 1024; | |
3799 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXREAD - 1U))) | |
3800 | return -EIO; | |
3801 | if (likely(bitmap[0] & FATTR4_WORD0_MAXREAD)) { | |
3802 | uint64_t maxread; | |
c0eae66e BH |
3803 | p = xdr_inline_decode(xdr, 8); |
3804 | if (unlikely(!p)) | |
eb72f484 | 3805 | return -EIO; |
cccddf4f | 3806 | xdr_decode_hyper(p, &maxread); |
1da177e4 LT |
3807 | if (maxread > 0x7FFFFFFF) |
3808 | maxread = 0x7FFFFFFF; | |
3809 | *res = (uint32_t)maxread; | |
3810 | bitmap[0] &= ~FATTR4_WORD0_MAXREAD; | |
3811 | } | |
3110ff80 | 3812 | dprintk("%s: maxread=%lu\n", __func__, (unsigned long)*res); |
1da177e4 LT |
3813 | return status; |
3814 | } | |
3815 | ||
3816 | static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3817 | { | |
8687b63a | 3818 | __be32 *p; |
1da177e4 LT |
3819 | int status = 0; |
3820 | ||
3821 | *res = 1024; | |
3822 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXWRITE - 1U))) | |
3823 | return -EIO; | |
3824 | if (likely(bitmap[0] & FATTR4_WORD0_MAXWRITE)) { | |
3825 | uint64_t maxwrite; | |
c0eae66e BH |
3826 | p = xdr_inline_decode(xdr, 8); |
3827 | if (unlikely(!p)) | |
eb72f484 | 3828 | return -EIO; |
cccddf4f | 3829 | xdr_decode_hyper(p, &maxwrite); |
1da177e4 LT |
3830 | if (maxwrite > 0x7FFFFFFF) |
3831 | maxwrite = 0x7FFFFFFF; | |
3832 | *res = (uint32_t)maxwrite; | |
3833 | bitmap[0] &= ~FATTR4_WORD0_MAXWRITE; | |
3834 | } | |
3110ff80 | 3835 | dprintk("%s: maxwrite=%lu\n", __func__, (unsigned long)*res); |
1da177e4 LT |
3836 | return status; |
3837 | } | |
3838 | ||
bca79478 | 3839 | static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, umode_t *mode) |
1da177e4 | 3840 | { |
bca79478 | 3841 | uint32_t tmp; |
8687b63a | 3842 | __be32 *p; |
409924e4 | 3843 | int ret = 0; |
1da177e4 LT |
3844 | |
3845 | *mode = 0; | |
3846 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MODE - 1U))) | |
3847 | return -EIO; | |
3848 | if (likely(bitmap[1] & FATTR4_WORD1_MODE)) { | |
c0eae66e BH |
3849 | p = xdr_inline_decode(xdr, 4); |
3850 | if (unlikely(!p)) | |
eb72f484 | 3851 | return -EIO; |
cccddf4f | 3852 | tmp = be32_to_cpup(p); |
bca79478 | 3853 | *mode = tmp & ~S_IFMT; |
1da177e4 | 3854 | bitmap[1] &= ~FATTR4_WORD1_MODE; |
409924e4 | 3855 | ret = NFS_ATTR_FATTR_MODE; |
1da177e4 | 3856 | } |
3110ff80 | 3857 | dprintk("%s: file mode=0%o\n", __func__, (unsigned int)*mode); |
409924e4 | 3858 | return ret; |
1da177e4 LT |
3859 | } |
3860 | ||
3861 | static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *nlink) | |
3862 | { | |
8687b63a | 3863 | __be32 *p; |
409924e4 | 3864 | int ret = 0; |
1da177e4 LT |
3865 | |
3866 | *nlink = 1; | |
3867 | if (unlikely(bitmap[1] & (FATTR4_WORD1_NUMLINKS - 1U))) | |
3868 | return -EIO; | |
3869 | if (likely(bitmap[1] & FATTR4_WORD1_NUMLINKS)) { | |
c0eae66e BH |
3870 | p = xdr_inline_decode(xdr, 4); |
3871 | if (unlikely(!p)) | |
eb72f484 | 3872 | return -EIO; |
cccddf4f | 3873 | *nlink = be32_to_cpup(p); |
1da177e4 | 3874 | bitmap[1] &= ~FATTR4_WORD1_NUMLINKS; |
409924e4 | 3875 | ret = NFS_ATTR_FATTR_NLINK; |
1da177e4 | 3876 | } |
3110ff80 | 3877 | dprintk("%s: nlink=%u\n", __func__, (unsigned int)*nlink); |
409924e4 | 3878 | return ret; |
1da177e4 LT |
3879 | } |
3880 | ||
686a816a TM |
3881 | static ssize_t decode_nfs4_string(struct xdr_stream *xdr, |
3882 | struct nfs4_string *name, gfp_t gfp_flags) | |
3883 | { | |
3884 | ssize_t ret; | |
3885 | ||
3886 | ret = xdr_stream_decode_string_dup(xdr, &name->data, | |
3887 | XDR_MAX_NETOBJ, gfp_flags); | |
3888 | name->len = 0; | |
3889 | if (ret > 0) | |
3890 | name->len = ret; | |
3891 | return ret; | |
3892 | } | |
3893 | ||
80e52ace | 3894 | static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, |
e5782076 | 3895 | const struct nfs_server *server, kuid_t *uid, |
6926afd1 | 3896 | struct nfs4_string *owner_name) |
1da177e4 | 3897 | { |
686a816a TM |
3898 | ssize_t len; |
3899 | char *p; | |
1da177e4 | 3900 | |
e5782076 | 3901 | *uid = make_kuid(&init_user_ns, -2); |
1da177e4 LT |
3902 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER - 1U))) |
3903 | return -EIO; | |
686a816a TM |
3904 | if (!(bitmap[1] & FATTR4_WORD1_OWNER)) |
3905 | return 0; | |
3906 | bitmap[1] &= ~FATTR4_WORD1_OWNER; | |
3907 | ||
3908 | if (owner_name != NULL) { | |
e8d8aa46 | 3909 | len = decode_nfs4_string(xdr, owner_name, GFP_NOIO); |
686a816a TM |
3910 | if (len <= 0) |
3911 | goto out; | |
3912 | dprintk("%s: name=%s\n", __func__, owner_name->data); | |
3913 | return NFS_ATTR_FATTR_OWNER_NAME; | |
3914 | } else { | |
3915 | len = xdr_stream_decode_opaque_inline(xdr, (void **)&p, | |
3916 | XDR_MAX_NETOBJ); | |
3917 | if (len <= 0 || nfs_map_name_to_uid(server, p, len, uid) != 0) | |
3918 | goto out; | |
3919 | dprintk("%s: uid=%d\n", __func__, (int)from_kuid(&init_user_ns, *uid)); | |
3920 | return NFS_ATTR_FATTR_OWNER; | |
1da177e4 | 3921 | } |
686a816a | 3922 | out: |
eb72f484 CL |
3923 | if (len == -EBADMSG) |
3924 | return -EIO; | |
3925 | return 0; | |
1da177e4 LT |
3926 | } |
3927 | ||
80e52ace | 3928 | static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, |
e5782076 | 3929 | const struct nfs_server *server, kgid_t *gid, |
6926afd1 | 3930 | struct nfs4_string *group_name) |
1da177e4 | 3931 | { |
686a816a TM |
3932 | ssize_t len; |
3933 | char *p; | |
1da177e4 | 3934 | |
e5782076 | 3935 | *gid = make_kgid(&init_user_ns, -2); |
1da177e4 LT |
3936 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER_GROUP - 1U))) |
3937 | return -EIO; | |
686a816a TM |
3938 | if (!(bitmap[1] & FATTR4_WORD1_OWNER_GROUP)) |
3939 | return 0; | |
3940 | bitmap[1] &= ~FATTR4_WORD1_OWNER_GROUP; | |
3941 | ||
3942 | if (group_name != NULL) { | |
e8d8aa46 | 3943 | len = decode_nfs4_string(xdr, group_name, GFP_NOIO); |
686a816a TM |
3944 | if (len <= 0) |
3945 | goto out; | |
3946 | dprintk("%s: name=%s\n", __func__, group_name->data); | |
6f1f6220 | 3947 | return NFS_ATTR_FATTR_GROUP_NAME; |
686a816a TM |
3948 | } else { |
3949 | len = xdr_stream_decode_opaque_inline(xdr, (void **)&p, | |
3950 | XDR_MAX_NETOBJ); | |
3951 | if (len <= 0 || nfs_map_group_to_gid(server, p, len, gid) != 0) | |
3952 | goto out; | |
3953 | dprintk("%s: gid=%d\n", __func__, (int)from_kgid(&init_user_ns, *gid)); | |
3954 | return NFS_ATTR_FATTR_GROUP; | |
1da177e4 | 3955 | } |
686a816a | 3956 | out: |
eb72f484 CL |
3957 | if (len == -EBADMSG) |
3958 | return -EIO; | |
3959 | return 0; | |
1da177e4 LT |
3960 | } |
3961 | ||
3962 | static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rdev) | |
3963 | { | |
8687b63a AV |
3964 | uint32_t major = 0, minor = 0; |
3965 | __be32 *p; | |
409924e4 | 3966 | int ret = 0; |
1da177e4 LT |
3967 | |
3968 | *rdev = MKDEV(0,0); | |
3969 | if (unlikely(bitmap[1] & (FATTR4_WORD1_RAWDEV - 1U))) | |
3970 | return -EIO; | |
3971 | if (likely(bitmap[1] & FATTR4_WORD1_RAWDEV)) { | |
3972 | dev_t tmp; | |
3973 | ||
c0eae66e BH |
3974 | p = xdr_inline_decode(xdr, 8); |
3975 | if (unlikely(!p)) | |
eb72f484 | 3976 | return -EIO; |
6f723f77 | 3977 | major = be32_to_cpup(p++); |
cccddf4f | 3978 | minor = be32_to_cpup(p); |
1da177e4 LT |
3979 | tmp = MKDEV(major, minor); |
3980 | if (MAJOR(tmp) == major && MINOR(tmp) == minor) | |
3981 | *rdev = tmp; | |
3982 | bitmap[1] &= ~ FATTR4_WORD1_RAWDEV; | |
409924e4 | 3983 | ret = NFS_ATTR_FATTR_RDEV; |
1da177e4 | 3984 | } |
3110ff80 | 3985 | dprintk("%s: rdev=(0x%x:0x%x)\n", __func__, major, minor); |
409924e4 | 3986 | return ret; |
1da177e4 LT |
3987 | } |
3988 | ||
3989 | static int decode_attr_space_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3990 | { | |
8687b63a | 3991 | __be32 *p; |
1da177e4 LT |
3992 | int status = 0; |
3993 | ||
3994 | *res = 0; | |
3995 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_AVAIL - 1U))) | |
3996 | return -EIO; | |
3997 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_AVAIL)) { | |
c0eae66e BH |
3998 | p = xdr_inline_decode(xdr, 8); |
3999 | if (unlikely(!p)) | |
eb72f484 | 4000 | return -EIO; |
cccddf4f | 4001 | xdr_decode_hyper(p, res); |
1da177e4 LT |
4002 | bitmap[1] &= ~FATTR4_WORD1_SPACE_AVAIL; |
4003 | } | |
3110ff80 | 4004 | dprintk("%s: space avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 LT |
4005 | return status; |
4006 | } | |
4007 | ||
4008 | static int decode_attr_space_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
4009 | { | |
8687b63a | 4010 | __be32 *p; |
1da177e4 LT |
4011 | int status = 0; |
4012 | ||
4013 | *res = 0; | |
4014 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_FREE - 1U))) | |
4015 | return -EIO; | |
4016 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_FREE)) { | |
c0eae66e BH |
4017 | p = xdr_inline_decode(xdr, 8); |
4018 | if (unlikely(!p)) | |
eb72f484 | 4019 | return -EIO; |
cccddf4f | 4020 | xdr_decode_hyper(p, res); |
1da177e4 LT |
4021 | bitmap[1] &= ~FATTR4_WORD1_SPACE_FREE; |
4022 | } | |
3110ff80 | 4023 | dprintk("%s: space free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 LT |
4024 | return status; |
4025 | } | |
4026 | ||
4027 | static int decode_attr_space_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
4028 | { | |
8687b63a | 4029 | __be32 *p; |
1da177e4 LT |
4030 | int status = 0; |
4031 | ||
4032 | *res = 0; | |
4033 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_TOTAL - 1U))) | |
4034 | return -EIO; | |
4035 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_TOTAL)) { | |
c0eae66e BH |
4036 | p = xdr_inline_decode(xdr, 8); |
4037 | if (unlikely(!p)) | |
eb72f484 | 4038 | return -EIO; |
cccddf4f | 4039 | xdr_decode_hyper(p, res); |
1da177e4 LT |
4040 | bitmap[1] &= ~FATTR4_WORD1_SPACE_TOTAL; |
4041 | } | |
3110ff80 | 4042 | dprintk("%s: space total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 LT |
4043 | return status; |
4044 | } | |
4045 | ||
4046 | static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *used) | |
4047 | { | |
8687b63a | 4048 | __be32 *p; |
409924e4 | 4049 | int ret = 0; |
1da177e4 LT |
4050 | |
4051 | *used = 0; | |
4052 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_USED - 1U))) | |
4053 | return -EIO; | |
4054 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_USED)) { | |
c0eae66e BH |
4055 | p = xdr_inline_decode(xdr, 8); |
4056 | if (unlikely(!p)) | |
eb72f484 | 4057 | return -EIO; |
cccddf4f | 4058 | xdr_decode_hyper(p, used); |
1da177e4 | 4059 | bitmap[1] &= ~FATTR4_WORD1_SPACE_USED; |
409924e4 | 4060 | ret = NFS_ATTR_FATTR_SPACE_USED; |
1da177e4 | 4061 | } |
3110ff80 | 4062 | dprintk("%s: space used=%Lu\n", __func__, |
1da177e4 | 4063 | (unsigned long long)*used); |
409924e4 | 4064 | return ret; |
1da177e4 LT |
4065 | } |
4066 | ||
36b3743f | 4067 | static __be32 * |
e86d5a02 | 4068 | xdr_decode_nfstime4(__be32 *p, struct timespec64 *t) |
36b3743f TM |
4069 | { |
4070 | __u64 sec; | |
4071 | ||
4072 | p = xdr_decode_hyper(p, &sec); | |
e86d5a02 | 4073 | t-> tv_sec = sec; |
36b3743f TM |
4074 | t->tv_nsec = be32_to_cpup(p++); |
4075 | return p; | |
4076 | } | |
4077 | ||
e86d5a02 | 4078 | static int decode_attr_time(struct xdr_stream *xdr, struct timespec64 *time) |
1da177e4 | 4079 | { |
8687b63a | 4080 | __be32 *p; |
1da177e4 | 4081 | |
36b3743f | 4082 | p = xdr_inline_decode(xdr, nfstime4_maxsz << 2); |
c0eae66e | 4083 | if (unlikely(!p)) |
eb72f484 | 4084 | return -EIO; |
36b3743f | 4085 | xdr_decode_nfstime4(p, time); |
1da177e4 LT |
4086 | return 0; |
4087 | } | |
4088 | ||
e86d5a02 | 4089 | static int decode_attr_time_access(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec64 *time) |
1da177e4 LT |
4090 | { |
4091 | int status = 0; | |
4092 | ||
4093 | time->tv_sec = 0; | |
4094 | time->tv_nsec = 0; | |
4095 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_ACCESS - 1U))) | |
4096 | return -EIO; | |
4097 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_ACCESS)) { | |
4098 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4099 | if (status == 0) |
4100 | status = NFS_ATTR_FATTR_ATIME; | |
1da177e4 LT |
4101 | bitmap[1] &= ~FATTR4_WORD1_TIME_ACCESS; |
4102 | } | |
3110ff80 | 4103 | dprintk("%s: atime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
4104 | return status; |
4105 | } | |
4106 | ||
e86d5a02 | 4107 | static int decode_attr_time_metadata(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec64 *time) |
1da177e4 LT |
4108 | { |
4109 | int status = 0; | |
4110 | ||
4111 | time->tv_sec = 0; | |
4112 | time->tv_nsec = 0; | |
4113 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_METADATA - 1U))) | |
4114 | return -EIO; | |
4115 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_METADATA)) { | |
4116 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4117 | if (status == 0) |
4118 | status = NFS_ATTR_FATTR_CTIME; | |
1da177e4 LT |
4119 | bitmap[1] &= ~FATTR4_WORD1_TIME_METADATA; |
4120 | } | |
3110ff80 | 4121 | dprintk("%s: ctime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
4122 | return status; |
4123 | } | |
4124 | ||
55b6e774 | 4125 | static int decode_attr_time_delta(struct xdr_stream *xdr, uint32_t *bitmap, |
e86d5a02 | 4126 | struct timespec64 *time) |
55b6e774 RL |
4127 | { |
4128 | int status = 0; | |
4129 | ||
4130 | time->tv_sec = 0; | |
4131 | time->tv_nsec = 0; | |
4132 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_DELTA - 1U))) | |
4133 | return -EIO; | |
4134 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_DELTA)) { | |
4135 | status = decode_attr_time(xdr, time); | |
4136 | bitmap[1] &= ~FATTR4_WORD1_TIME_DELTA; | |
4137 | } | |
4138 | dprintk("%s: time_delta=%ld %ld\n", __func__, (long)time->tv_sec, | |
4139 | (long)time->tv_nsec); | |
4140 | return status; | |
4141 | } | |
4142 | ||
aa9c2669 DQ |
4143 | static int decode_attr_security_label(struct xdr_stream *xdr, uint32_t *bitmap, |
4144 | struct nfs4_label *label) | |
4145 | { | |
4146 | uint32_t pi = 0; | |
4147 | uint32_t lfs = 0; | |
4148 | __u32 len; | |
4149 | __be32 *p; | |
4150 | int status = 0; | |
4151 | ||
4152 | if (unlikely(bitmap[2] & (FATTR4_WORD2_SECURITY_LABEL - 1U))) | |
4153 | return -EIO; | |
4154 | if (likely(bitmap[2] & FATTR4_WORD2_SECURITY_LABEL)) { | |
4155 | p = xdr_inline_decode(xdr, 4); | |
4156 | if (unlikely(!p)) | |
eb72f484 | 4157 | return -EIO; |
aa9c2669 DQ |
4158 | lfs = be32_to_cpup(p++); |
4159 | p = xdr_inline_decode(xdr, 4); | |
4160 | if (unlikely(!p)) | |
eb72f484 | 4161 | return -EIO; |
aa9c2669 DQ |
4162 | pi = be32_to_cpup(p++); |
4163 | p = xdr_inline_decode(xdr, 4); | |
4164 | if (unlikely(!p)) | |
eb72f484 | 4165 | return -EIO; |
aa9c2669 DQ |
4166 | len = be32_to_cpup(p++); |
4167 | p = xdr_inline_decode(xdr, len); | |
4168 | if (unlikely(!p)) | |
eb72f484 | 4169 | return -EIO; |
aa9c2669 DQ |
4170 | if (len < NFS4_MAXLABELLEN) { |
4171 | if (label) { | |
4172 | memcpy(label->label, p, len); | |
4173 | label->len = len; | |
4174 | label->pi = pi; | |
4175 | label->lfs = lfs; | |
4176 | status = NFS_ATTR_FATTR_V4_SECURITY_LABEL; | |
4177 | } | |
4178 | bitmap[2] &= ~FATTR4_WORD2_SECURITY_LABEL; | |
4179 | } else | |
4180 | printk(KERN_WARNING "%s: label too long (%u)!\n", | |
4181 | __func__, len); | |
4182 | } | |
4183 | if (label && label->label) | |
4184 | dprintk("%s: label=%s, len=%d, PI=%d, LFS=%d\n", __func__, | |
4185 | (char *)label->label, label->len, label->pi, label->lfs); | |
4186 | return status; | |
aa9c2669 DQ |
4187 | } |
4188 | ||
e86d5a02 | 4189 | static int decode_attr_time_modify(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec64 *time) |
1da177e4 LT |
4190 | { |
4191 | int status = 0; | |
4192 | ||
4193 | time->tv_sec = 0; | |
4194 | time->tv_nsec = 0; | |
4195 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_MODIFY - 1U))) | |
4196 | return -EIO; | |
4197 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_MODIFY)) { | |
4198 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4199 | if (status == 0) |
4200 | status = NFS_ATTR_FATTR_MTIME; | |
1da177e4 LT |
4201 | bitmap[1] &= ~FATTR4_WORD1_TIME_MODIFY; |
4202 | } | |
3110ff80 | 4203 | dprintk("%s: mtime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
4204 | return status; |
4205 | } | |
4206 | ||
256e48bb | 4207 | static int verify_attr_len(struct xdr_stream *xdr, unsigned int savep, uint32_t attrlen) |
1da177e4 LT |
4208 | { |
4209 | unsigned int attrwords = XDR_QUADLEN(attrlen); | |
256e48bb | 4210 | unsigned int nwords = (xdr_stream_pos(xdr) - savep) >> 2; |
1da177e4 LT |
4211 | |
4212 | if (unlikely(attrwords != nwords)) { | |
fe82a183 CL |
4213 | dprintk("%s: server returned incorrect attribute length: " |
4214 | "%u %c %u\n", | |
3110ff80 | 4215 | __func__, |
1da177e4 LT |
4216 | attrwords << 2, |
4217 | (attrwords < nwords) ? '<' : '>', | |
4218 | nwords << 2); | |
4219 | return -EIO; | |
4220 | } | |
4221 | return 0; | |
4222 | } | |
4223 | ||
4224 | static int decode_change_info(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4225 | { | |
8687b63a | 4226 | __be32 *p; |
1da177e4 | 4227 | |
c0eae66e BH |
4228 | p = xdr_inline_decode(xdr, 20); |
4229 | if (unlikely(!p)) | |
eb72f484 | 4230 | return -EIO; |
6f723f77 | 4231 | cinfo->atomic = be32_to_cpup(p++); |
3ceb4dbb | 4232 | p = xdr_decode_hyper(p, &cinfo->before); |
cccddf4f | 4233 | xdr_decode_hyper(p, &cinfo->after); |
1da177e4 LT |
4234 | return 0; |
4235 | } | |
4236 | ||
6168f62c | 4237 | static int decode_access(struct xdr_stream *xdr, u32 *supported, u32 *access) |
1da177e4 | 4238 | { |
8687b63a | 4239 | __be32 *p; |
1da177e4 LT |
4240 | uint32_t supp, acc; |
4241 | int status; | |
4242 | ||
4243 | status = decode_op_hdr(xdr, OP_ACCESS); | |
4244 | if (status) | |
4245 | return status; | |
c0eae66e BH |
4246 | p = xdr_inline_decode(xdr, 8); |
4247 | if (unlikely(!p)) | |
eb72f484 | 4248 | return -EIO; |
6f723f77 | 4249 | supp = be32_to_cpup(p++); |
cccddf4f | 4250 | acc = be32_to_cpup(p); |
6168f62c WAA |
4251 | *supported = supp; |
4252 | *access = acc; | |
1da177e4 LT |
4253 | return 0; |
4254 | } | |
4255 | ||
07d30434 | 4256 | static int decode_opaque_fixed(struct xdr_stream *xdr, void *buf, size_t len) |
1da177e4 | 4257 | { |
ab6e9aaf | 4258 | ssize_t ret = xdr_stream_decode_opaque_fixed(xdr, buf, len); |
eb72f484 | 4259 | if (unlikely(ret < 0)) |
ab6e9aaf | 4260 | return -EIO; |
ab6e9aaf | 4261 | return 0; |
07d30434 BH |
4262 | } |
4263 | ||
4264 | static int decode_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) | |
4265 | { | |
2d2f24ad | 4266 | return decode_opaque_fixed(xdr, stateid, NFS4_STATEID_SIZE); |
07d30434 BH |
4267 | } |
4268 | ||
93b717fd TM |
4269 | static int decode_open_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) |
4270 | { | |
4271 | stateid->type = NFS4_OPEN_STATEID_TYPE; | |
4272 | return decode_stateid(xdr, stateid); | |
4273 | } | |
4274 | ||
4275 | static int decode_lock_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) | |
4276 | { | |
4277 | stateid->type = NFS4_LOCK_STATEID_TYPE; | |
4278 | return decode_stateid(xdr, stateid); | |
4279 | } | |
4280 | ||
4281 | static int decode_delegation_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) | |
4282 | { | |
4283 | stateid->type = NFS4_DELEGATION_STATEID_TYPE; | |
4284 | return decode_stateid(xdr, stateid); | |
4285 | } | |
4286 | ||
fcd8843c TM |
4287 | static int decode_invalid_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) |
4288 | { | |
4289 | nfs4_stateid dummy; | |
4290 | ||
4291 | nfs4_stateid_copy(stateid, &invalid_stateid); | |
4292 | return decode_stateid(xdr, &dummy); | |
4293 | } | |
4294 | ||
07d30434 BH |
4295 | static int decode_close(struct xdr_stream *xdr, struct nfs_closeres *res) |
4296 | { | |
1da177e4 LT |
4297 | int status; |
4298 | ||
4299 | status = decode_op_hdr(xdr, OP_CLOSE); | |
c1d51931 TM |
4300 | if (status != -EIO) |
4301 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 | 4302 | if (!status) |
fcd8843c | 4303 | status = decode_invalid_stateid(xdr, &res->stateid); |
07d30434 | 4304 | return status; |
1da177e4 LT |
4305 | } |
4306 | ||
db942bbd BH |
4307 | static int decode_verifier(struct xdr_stream *xdr, void *verifier) |
4308 | { | |
cd93710e | 4309 | return decode_opaque_fixed(xdr, verifier, NFS4_VERIFIER_SIZE); |
1da177e4 LT |
4310 | } |
4311 | ||
2f2c63bc TM |
4312 | static int decode_write_verifier(struct xdr_stream *xdr, struct nfs_write_verifier *verifier) |
4313 | { | |
4314 | return decode_opaque_fixed(xdr, verifier->data, NFS4_VERIFIER_SIZE); | |
4315 | } | |
4316 | ||
0b7c0153 | 4317 | static int decode_commit(struct xdr_stream *xdr, struct nfs_commitres *res) |
1da177e4 | 4318 | { |
1da177e4 LT |
4319 | int status; |
4320 | ||
4321 | status = decode_op_hdr(xdr, OP_COMMIT); | |
db942bbd | 4322 | if (!status) |
2f2c63bc | 4323 | status = decode_write_verifier(xdr, &res->verf->verifier); |
db942bbd | 4324 | return status; |
1da177e4 LT |
4325 | } |
4326 | ||
4327 | static int decode_create(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4328 | { | |
8687b63a | 4329 | __be32 *p; |
1da177e4 LT |
4330 | uint32_t bmlen; |
4331 | int status; | |
4332 | ||
4333 | status = decode_op_hdr(xdr, OP_CREATE); | |
4334 | if (status) | |
4335 | return status; | |
4336 | if ((status = decode_change_info(xdr, cinfo))) | |
4337 | return status; | |
c0eae66e BH |
4338 | p = xdr_inline_decode(xdr, 4); |
4339 | if (unlikely(!p)) | |
eb72f484 | 4340 | return -EIO; |
cccddf4f | 4341 | bmlen = be32_to_cpup(p); |
c0eae66e BH |
4342 | p = xdr_inline_decode(xdr, bmlen << 2); |
4343 | if (likely(p)) | |
4344 | return 0; | |
c0eae66e | 4345 | return -EIO; |
1da177e4 LT |
4346 | } |
4347 | ||
4348 | static int decode_server_caps(struct xdr_stream *xdr, struct nfs4_server_caps_res *res) | |
4349 | { | |
256e48bb | 4350 | unsigned int savep; |
dae100c2 | 4351 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 LT |
4352 | int status; |
4353 | ||
4354 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
4355 | goto xdr_error; | |
4356 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4357 | goto xdr_error; | |
4358 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4359 | goto xdr_error; | |
4360 | if ((status = decode_attr_supported(xdr, bitmap, res->attr_bitmask)) != 0) | |
4361 | goto xdr_error; | |
264e6351 CL |
4362 | if ((status = decode_attr_fh_expire_type(xdr, bitmap, |
4363 | &res->fh_expire_type)) != 0) | |
4364 | goto xdr_error; | |
1da177e4 LT |
4365 | if ((status = decode_attr_link_support(xdr, bitmap, &res->has_links)) != 0) |
4366 | goto xdr_error; | |
4367 | if ((status = decode_attr_symlink_support(xdr, bitmap, &res->has_symlinks)) != 0) | |
4368 | goto xdr_error; | |
4369 | if ((status = decode_attr_aclsupport(xdr, bitmap, &res->acl_bitmask)) != 0) | |
4370 | goto xdr_error; | |
8c61282f KM |
4371 | if ((status = decode_attr_exclcreat_supported(xdr, bitmap, |
4372 | res->exclcreat_bitmask)) != 0) | |
4373 | goto xdr_error; | |
1da177e4 LT |
4374 | status = verify_attr_len(xdr, savep, attrlen); |
4375 | xdr_error: | |
3110ff80 | 4376 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4377 | return status; |
4378 | } | |
6c0195a4 | 4379 | |
1da177e4 LT |
4380 | static int decode_statfs(struct xdr_stream *xdr, struct nfs_fsstat *fsstat) |
4381 | { | |
256e48bb | 4382 | unsigned int savep; |
dae100c2 | 4383 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 | 4384 | int status; |
6c0195a4 | 4385 | |
1da177e4 LT |
4386 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
4387 | goto xdr_error; | |
4388 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4389 | goto xdr_error; | |
4390 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4391 | goto xdr_error; | |
4392 | ||
4393 | if ((status = decode_attr_files_avail(xdr, bitmap, &fsstat->afiles)) != 0) | |
4394 | goto xdr_error; | |
4395 | if ((status = decode_attr_files_free(xdr, bitmap, &fsstat->ffiles)) != 0) | |
4396 | goto xdr_error; | |
4397 | if ((status = decode_attr_files_total(xdr, bitmap, &fsstat->tfiles)) != 0) | |
4398 | goto xdr_error; | |
1ca843a2 AG |
4399 | |
4400 | status = -EIO; | |
4401 | if (unlikely(bitmap[0])) | |
4402 | goto xdr_error; | |
4403 | ||
1da177e4 LT |
4404 | if ((status = decode_attr_space_avail(xdr, bitmap, &fsstat->abytes)) != 0) |
4405 | goto xdr_error; | |
4406 | if ((status = decode_attr_space_free(xdr, bitmap, &fsstat->fbytes)) != 0) | |
4407 | goto xdr_error; | |
4408 | if ((status = decode_attr_space_total(xdr, bitmap, &fsstat->tbytes)) != 0) | |
4409 | goto xdr_error; | |
4410 | ||
4411 | status = verify_attr_len(xdr, savep, attrlen); | |
4412 | xdr_error: | |
3110ff80 | 4413 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4414 | return status; |
4415 | } | |
4416 | ||
4417 | static int decode_pathconf(struct xdr_stream *xdr, struct nfs_pathconf *pathconf) | |
4418 | { | |
256e48bb | 4419 | unsigned int savep; |
dae100c2 | 4420 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 | 4421 | int status; |
6c0195a4 | 4422 | |
1da177e4 LT |
4423 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
4424 | goto xdr_error; | |
4425 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4426 | goto xdr_error; | |
4427 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4428 | goto xdr_error; | |
4429 | ||
4430 | if ((status = decode_attr_maxlink(xdr, bitmap, &pathconf->max_link)) != 0) | |
4431 | goto xdr_error; | |
4432 | if ((status = decode_attr_maxname(xdr, bitmap, &pathconf->max_namelen)) != 0) | |
4433 | goto xdr_error; | |
4434 | ||
4435 | status = verify_attr_len(xdr, savep, attrlen); | |
4436 | xdr_error: | |
3110ff80 | 4437 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4438 | return status; |
4439 | } | |
4440 | ||
88034c3d AA |
4441 | static int decode_threshold_hint(struct xdr_stream *xdr, |
4442 | uint32_t *bitmap, | |
4443 | uint64_t *res, | |
4444 | uint32_t hint_bit) | |
4445 | { | |
4446 | __be32 *p; | |
4447 | ||
4448 | *res = 0; | |
4449 | if (likely(bitmap[0] & hint_bit)) { | |
4450 | p = xdr_inline_decode(xdr, 8); | |
4451 | if (unlikely(!p)) | |
eb72f484 | 4452 | return -EIO; |
88034c3d AA |
4453 | xdr_decode_hyper(p, res); |
4454 | } | |
4455 | return 0; | |
88034c3d AA |
4456 | } |
4457 | ||
4458 | static int decode_first_threshold_item4(struct xdr_stream *xdr, | |
4459 | struct nfs4_threshold *res) | |
4460 | { | |
256e48bb TM |
4461 | __be32 *p; |
4462 | unsigned int savep; | |
88034c3d AA |
4463 | uint32_t bitmap[3] = {0,}, attrlen; |
4464 | int status; | |
4465 | ||
4466 | /* layout type */ | |
4467 | p = xdr_inline_decode(xdr, 4); | |
eb72f484 | 4468 | if (unlikely(!p)) |
88034c3d | 4469 | return -EIO; |
88034c3d AA |
4470 | res->l_type = be32_to_cpup(p); |
4471 | ||
4472 | /* thi_hintset bitmap */ | |
4473 | status = decode_attr_bitmap(xdr, bitmap); | |
4474 | if (status < 0) | |
4475 | goto xdr_error; | |
4476 | ||
4477 | /* thi_hintlist length */ | |
4478 | status = decode_attr_length(xdr, &attrlen, &savep); | |
4479 | if (status < 0) | |
4480 | goto xdr_error; | |
4481 | /* thi_hintlist */ | |
4482 | status = decode_threshold_hint(xdr, bitmap, &res->rd_sz, THRESHOLD_RD); | |
4483 | if (status < 0) | |
4484 | goto xdr_error; | |
4485 | status = decode_threshold_hint(xdr, bitmap, &res->wr_sz, THRESHOLD_WR); | |
4486 | if (status < 0) | |
4487 | goto xdr_error; | |
4488 | status = decode_threshold_hint(xdr, bitmap, &res->rd_io_sz, | |
4489 | THRESHOLD_RD_IO); | |
4490 | if (status < 0) | |
4491 | goto xdr_error; | |
4492 | status = decode_threshold_hint(xdr, bitmap, &res->wr_io_sz, | |
4493 | THRESHOLD_WR_IO); | |
4494 | if (status < 0) | |
4495 | goto xdr_error; | |
4496 | ||
4497 | status = verify_attr_len(xdr, savep, attrlen); | |
4498 | res->bm = bitmap[0]; | |
4499 | ||
4500 | dprintk("%s bm=0x%x rd_sz=%llu wr_sz=%llu rd_io=%llu wr_io=%llu\n", | |
4501 | __func__, res->bm, res->rd_sz, res->wr_sz, res->rd_io_sz, | |
4502 | res->wr_io_sz); | |
4503 | xdr_error: | |
4504 | dprintk("%s ret=%d!\n", __func__, status); | |
4505 | return status; | |
4506 | } | |
4507 | ||
4508 | /* | |
4509 | * Thresholds on pNFS direct I/O vrs MDS I/O | |
4510 | */ | |
4511 | static int decode_attr_mdsthreshold(struct xdr_stream *xdr, | |
4512 | uint32_t *bitmap, | |
4513 | struct nfs4_threshold *res) | |
4514 | { | |
4515 | __be32 *p; | |
4516 | int status = 0; | |
4517 | uint32_t num; | |
4518 | ||
4519 | if (unlikely(bitmap[2] & (FATTR4_WORD2_MDSTHRESHOLD - 1U))) | |
4520 | return -EIO; | |
029c5347 | 4521 | if (bitmap[2] & FATTR4_WORD2_MDSTHRESHOLD) { |
1549210f TM |
4522 | /* Did the server return an unrequested attribute? */ |
4523 | if (unlikely(res == NULL)) | |
4524 | return -EREMOTEIO; | |
88034c3d AA |
4525 | p = xdr_inline_decode(xdr, 4); |
4526 | if (unlikely(!p)) | |
eb72f484 | 4527 | return -EIO; |
88034c3d AA |
4528 | num = be32_to_cpup(p); |
4529 | if (num == 0) | |
4530 | return 0; | |
4531 | if (num > 1) | |
4532 | printk(KERN_INFO "%s: Warning: Multiple pNFS layout " | |
4533 | "drivers per filesystem not supported\n", | |
4534 | __func__); | |
4535 | ||
4536 | status = decode_first_threshold_item4(xdr, res); | |
029c5347 | 4537 | bitmap[2] &= ~FATTR4_WORD2_MDSTHRESHOLD; |
88034c3d AA |
4538 | } |
4539 | return status; | |
88034c3d AA |
4540 | } |
4541 | ||
ae42c70a BS |
4542 | static int decode_getfattr_attrs(struct xdr_stream *xdr, uint32_t *bitmap, |
4543 | struct nfs_fattr *fattr, struct nfs_fh *fh, | |
aa9c2669 | 4544 | struct nfs4_fs_locations *fs_loc, struct nfs4_label *label, |
6926afd1 | 4545 | const struct nfs_server *server) |
1da177e4 | 4546 | { |
bca79478 TM |
4547 | int status; |
4548 | umode_t fmode = 0; | |
ae42c70a | 4549 | uint32_t type; |
ee7b75fc | 4550 | int32_t err; |
1da177e4 | 4551 | |
f26c7a78 TM |
4552 | status = decode_attr_type(xdr, bitmap, &type); |
4553 | if (status < 0) | |
1da177e4 | 4554 | goto xdr_error; |
409924e4 TM |
4555 | fattr->mode = 0; |
4556 | if (status != 0) { | |
4557 | fattr->mode |= nfs_type2fmt[type]; | |
4558 | fattr->valid |= status; | |
4559 | } | |
1da177e4 | 4560 | |
f26c7a78 TM |
4561 | status = decode_attr_change(xdr, bitmap, &fattr->change_attr); |
4562 | if (status < 0) | |
1da177e4 | 4563 | goto xdr_error; |
409924e4 | 4564 | fattr->valid |= status; |
f26c7a78 TM |
4565 | |
4566 | status = decode_attr_size(xdr, bitmap, &fattr->size); | |
4567 | if (status < 0) | |
1da177e4 | 4568 | goto xdr_error; |
409924e4 | 4569 | fattr->valid |= status; |
f26c7a78 TM |
4570 | |
4571 | status = decode_attr_fsid(xdr, bitmap, &fattr->fsid); | |
4572 | if (status < 0) | |
1da177e4 | 4573 | goto xdr_error; |
409924e4 | 4574 | fattr->valid |= status; |
f26c7a78 | 4575 | |
ee7b75fc TM |
4576 | err = 0; |
4577 | status = decode_attr_error(xdr, bitmap, &err); | |
ae42c70a BS |
4578 | if (status < 0) |
4579 | goto xdr_error; | |
4580 | ||
4581 | status = decode_attr_filehandle(xdr, bitmap, fh); | |
4582 | if (status < 0) | |
4583 | goto xdr_error; | |
4584 | ||
f26c7a78 TM |
4585 | status = decode_attr_fileid(xdr, bitmap, &fattr->fileid); |
4586 | if (status < 0) | |
1da177e4 | 4587 | goto xdr_error; |
409924e4 | 4588 | fattr->valid |= status; |
f26c7a78 | 4589 | |
8b7e3f49 | 4590 | status = decode_attr_fs_locations(xdr, bitmap, fs_loc); |
f26c7a78 | 4591 | if (status < 0) |
683b57b4 | 4592 | goto xdr_error; |
409924e4 | 4593 | fattr->valid |= status; |
f26c7a78 | 4594 | |
1ca843a2 AG |
4595 | status = -EIO; |
4596 | if (unlikely(bitmap[0])) | |
4597 | goto xdr_error; | |
4598 | ||
f26c7a78 TM |
4599 | status = decode_attr_mode(xdr, bitmap, &fmode); |
4600 | if (status < 0) | |
1da177e4 | 4601 | goto xdr_error; |
409924e4 TM |
4602 | if (status != 0) { |
4603 | fattr->mode |= fmode; | |
4604 | fattr->valid |= status; | |
4605 | } | |
f26c7a78 TM |
4606 | |
4607 | status = decode_attr_nlink(xdr, bitmap, &fattr->nlink); | |
4608 | if (status < 0) | |
1da177e4 | 4609 | goto xdr_error; |
409924e4 | 4610 | fattr->valid |= status; |
f26c7a78 | 4611 | |
6926afd1 | 4612 | status = decode_attr_owner(xdr, bitmap, server, &fattr->uid, fattr->owner_name); |
f26c7a78 | 4613 | if (status < 0) |
1da177e4 | 4614 | goto xdr_error; |
409924e4 | 4615 | fattr->valid |= status; |
f26c7a78 | 4616 | |
6926afd1 | 4617 | status = decode_attr_group(xdr, bitmap, server, &fattr->gid, fattr->group_name); |
f26c7a78 | 4618 | if (status < 0) |
1da177e4 | 4619 | goto xdr_error; |
409924e4 | 4620 | fattr->valid |= status; |
f26c7a78 TM |
4621 | |
4622 | status = decode_attr_rdev(xdr, bitmap, &fattr->rdev); | |
4623 | if (status < 0) | |
1da177e4 | 4624 | goto xdr_error; |
409924e4 | 4625 | fattr->valid |= status; |
f26c7a78 TM |
4626 | |
4627 | status = decode_attr_space_used(xdr, bitmap, &fattr->du.nfs3.used); | |
4628 | if (status < 0) | |
1da177e4 | 4629 | goto xdr_error; |
409924e4 | 4630 | fattr->valid |= status; |
f26c7a78 TM |
4631 | |
4632 | status = decode_attr_time_access(xdr, bitmap, &fattr->atime); | |
4633 | if (status < 0) | |
1da177e4 | 4634 | goto xdr_error; |
409924e4 | 4635 | fattr->valid |= status; |
f26c7a78 TM |
4636 | |
4637 | status = decode_attr_time_metadata(xdr, bitmap, &fattr->ctime); | |
4638 | if (status < 0) | |
1da177e4 | 4639 | goto xdr_error; |
409924e4 | 4640 | fattr->valid |= status; |
f26c7a78 TM |
4641 | |
4642 | status = decode_attr_time_modify(xdr, bitmap, &fattr->mtime); | |
4643 | if (status < 0) | |
1da177e4 | 4644 | goto xdr_error; |
409924e4 | 4645 | fattr->valid |= status; |
f26c7a78 | 4646 | |
28331a46 | 4647 | status = decode_attr_mounted_on_fileid(xdr, bitmap, &fattr->mounted_on_fileid); |
f26c7a78 | 4648 | if (status < 0) |
99baf625 | 4649 | goto xdr_error; |
28331a46 | 4650 | fattr->valid |= status; |
f26c7a78 | 4651 | |
1ca843a2 AG |
4652 | status = -EIO; |
4653 | if (unlikely(bitmap[1])) | |
4654 | goto xdr_error; | |
4655 | ||
88034c3d AA |
4656 | status = decode_attr_mdsthreshold(xdr, bitmap, fattr->mdsthreshold); |
4657 | if (status < 0) | |
4658 | goto xdr_error; | |
4659 | ||
aa9c2669 DQ |
4660 | if (label) { |
4661 | status = decode_attr_security_label(xdr, bitmap, label); | |
4662 | if (status < 0) | |
4663 | goto xdr_error; | |
4664 | fattr->valid |= status; | |
4665 | } | |
4666 | ||
ae42c70a BS |
4667 | xdr_error: |
4668 | dprintk("%s: xdr returned %d\n", __func__, -status); | |
4669 | return status; | |
4670 | } | |
4671 | ||
4672 | static int decode_getfattr_generic(struct xdr_stream *xdr, struct nfs_fattr *fattr, | |
8b7e3f49 | 4673 | struct nfs_fh *fh, struct nfs4_fs_locations *fs_loc, |
aa9c2669 | 4674 | struct nfs4_label *label, const struct nfs_server *server) |
ae42c70a | 4675 | { |
256e48bb | 4676 | unsigned int savep; |
ae42c70a | 4677 | uint32_t attrlen, |
dae100c2 | 4678 | bitmap[3] = {0}; |
ae42c70a BS |
4679 | int status; |
4680 | ||
4681 | status = decode_op_hdr(xdr, OP_GETATTR); | |
4682 | if (status < 0) | |
4683 | goto xdr_error; | |
4684 | ||
4685 | status = decode_attr_bitmap(xdr, bitmap); | |
4686 | if (status < 0) | |
4687 | goto xdr_error; | |
4688 | ||
4689 | status = decode_attr_length(xdr, &attrlen, &savep); | |
4690 | if (status < 0) | |
4691 | goto xdr_error; | |
4692 | ||
aa9c2669 DQ |
4693 | status = decode_getfattr_attrs(xdr, bitmap, fattr, fh, fs_loc, |
4694 | label, server); | |
ae42c70a BS |
4695 | if (status < 0) |
4696 | goto xdr_error; | |
4697 | ||
f26c7a78 | 4698 | status = verify_attr_len(xdr, savep, attrlen); |
1da177e4 | 4699 | xdr_error: |
3110ff80 | 4700 | dprintk("%s: xdr returned %d\n", __func__, -status); |
1da177e4 LT |
4701 | return status; |
4702 | } | |
4703 | ||
aa9c2669 DQ |
4704 | static int decode_getfattr_label(struct xdr_stream *xdr, struct nfs_fattr *fattr, |
4705 | struct nfs4_label *label, const struct nfs_server *server) | |
4706 | { | |
4707 | return decode_getfattr_generic(xdr, fattr, NULL, NULL, label, server); | |
4708 | } | |
4709 | ||
ae42c70a | 4710 | static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr, |
6926afd1 | 4711 | const struct nfs_server *server) |
ae42c70a | 4712 | { |
aa9c2669 | 4713 | return decode_getfattr_generic(xdr, fattr, NULL, NULL, NULL, server); |
ae42c70a | 4714 | } |
1da177e4 | 4715 | |
504913fb | 4716 | /* |
3132e49e | 4717 | * Decode potentially multiple layout types. |
504913fb | 4718 | */ |
3132e49e | 4719 | static int decode_pnfs_layout_types(struct xdr_stream *xdr, |
ca440c38 | 4720 | struct nfs_fsinfo *fsinfo) |
504913fb | 4721 | { |
b8a8a0dd | 4722 | __be32 *p; |
ca440c38 | 4723 | uint32_t i; |
504913fb AA |
4724 | |
4725 | p = xdr_inline_decode(xdr, 4); | |
4726 | if (unlikely(!p)) | |
eb72f484 | 4727 | return -EIO; |
ca440c38 | 4728 | fsinfo->nlayouttypes = be32_to_cpup(p); |
504913fb AA |
4729 | |
4730 | /* pNFS is not supported by the underlying file system */ | |
ca440c38 | 4731 | if (fsinfo->nlayouttypes == 0) |
504913fb | 4732 | return 0; |
504913fb AA |
4733 | |
4734 | /* Decode and set first layout type, move xdr->p past unused types */ | |
ca440c38 | 4735 | p = xdr_inline_decode(xdr, fsinfo->nlayouttypes * 4); |
504913fb | 4736 | if (unlikely(!p)) |
eb72f484 | 4737 | return -EIO; |
ca440c38 JL |
4738 | |
4739 | /* If we get too many, then just cap it at the max */ | |
4740 | if (fsinfo->nlayouttypes > NFS_MAX_LAYOUT_TYPES) { | |
4741 | printk(KERN_INFO "NFS: %s: Warning: Too many (%u) pNFS layout types\n", | |
4742 | __func__, fsinfo->nlayouttypes); | |
4743 | fsinfo->nlayouttypes = NFS_MAX_LAYOUT_TYPES; | |
4744 | } | |
4745 | ||
4746 | for(i = 0; i < fsinfo->nlayouttypes; ++i) | |
4747 | fsinfo->layouttype[i] = be32_to_cpup(p++); | |
504913fb | 4748 | return 0; |
504913fb AA |
4749 | } |
4750 | ||
4751 | /* | |
4752 | * The type of file system exported. | |
4753 | * Note we must ensure that layouttype is set in any non-error case. | |
4754 | */ | |
4755 | static int decode_attr_pnfstype(struct xdr_stream *xdr, uint32_t *bitmap, | |
ca440c38 | 4756 | struct nfs_fsinfo *fsinfo) |
504913fb AA |
4757 | { |
4758 | int status = 0; | |
4759 | ||
4760 | dprintk("%s: bitmap is %x\n", __func__, bitmap[1]); | |
4761 | if (unlikely(bitmap[1] & (FATTR4_WORD1_FS_LAYOUT_TYPES - 1U))) | |
4762 | return -EIO; | |
4763 | if (bitmap[1] & FATTR4_WORD1_FS_LAYOUT_TYPES) { | |
ca440c38 | 4764 | status = decode_pnfs_layout_types(xdr, fsinfo); |
504913fb | 4765 | bitmap[1] &= ~FATTR4_WORD1_FS_LAYOUT_TYPES; |
3132e49e | 4766 | } |
504913fb AA |
4767 | return status; |
4768 | } | |
4769 | ||
dae100c2 FI |
4770 | /* |
4771 | * The prefered block size for layout directed io | |
4772 | */ | |
4773 | static int decode_attr_layout_blksize(struct xdr_stream *xdr, uint32_t *bitmap, | |
4774 | uint32_t *res) | |
4775 | { | |
4776 | __be32 *p; | |
4777 | ||
4778 | dprintk("%s: bitmap is %x\n", __func__, bitmap[2]); | |
4779 | *res = 0; | |
4780 | if (bitmap[2] & FATTR4_WORD2_LAYOUT_BLKSIZE) { | |
4781 | p = xdr_inline_decode(xdr, 4); | |
eb72f484 | 4782 | if (unlikely(!p)) |
dae100c2 | 4783 | return -EIO; |
dae100c2 FI |
4784 | *res = be32_to_cpup(p); |
4785 | bitmap[2] &= ~FATTR4_WORD2_LAYOUT_BLKSIZE; | |
4786 | } | |
4787 | return 0; | |
4788 | } | |
4789 | ||
2a92ee92 PT |
4790 | /* |
4791 | * The granularity of a CLONE operation. | |
4792 | */ | |
4793 | static int decode_attr_clone_blksize(struct xdr_stream *xdr, uint32_t *bitmap, | |
4794 | uint32_t *res) | |
4795 | { | |
4796 | __be32 *p; | |
4797 | ||
4798 | dprintk("%s: bitmap is %x\n", __func__, bitmap[2]); | |
4799 | *res = 0; | |
4800 | if (bitmap[2] & FATTR4_WORD2_CLONE_BLKSIZE) { | |
4801 | p = xdr_inline_decode(xdr, 4); | |
eb72f484 | 4802 | if (unlikely(!p)) |
2a92ee92 | 4803 | return -EIO; |
2a92ee92 PT |
4804 | *res = be32_to_cpup(p); |
4805 | bitmap[2] &= ~FATTR4_WORD2_CLONE_BLKSIZE; | |
4806 | } | |
4807 | return 0; | |
4808 | } | |
4809 | ||
1da177e4 LT |
4810 | static int decode_fsinfo(struct xdr_stream *xdr, struct nfs_fsinfo *fsinfo) |
4811 | { | |
256e48bb | 4812 | unsigned int savep; |
dae100c2 | 4813 | uint32_t attrlen, bitmap[3]; |
1da177e4 LT |
4814 | int status; |
4815 | ||
4816 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
4817 | goto xdr_error; | |
4818 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4819 | goto xdr_error; | |
4820 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4821 | goto xdr_error; | |
4822 | ||
4823 | fsinfo->rtmult = fsinfo->wtmult = 512; /* ??? */ | |
4824 | ||
4825 | if ((status = decode_attr_lease_time(xdr, bitmap, &fsinfo->lease_time)) != 0) | |
4826 | goto xdr_error; | |
4827 | if ((status = decode_attr_maxfilesize(xdr, bitmap, &fsinfo->maxfilesize)) != 0) | |
4828 | goto xdr_error; | |
4829 | if ((status = decode_attr_maxread(xdr, bitmap, &fsinfo->rtmax)) != 0) | |
4830 | goto xdr_error; | |
4831 | fsinfo->rtpref = fsinfo->dtpref = fsinfo->rtmax; | |
4832 | if ((status = decode_attr_maxwrite(xdr, bitmap, &fsinfo->wtmax)) != 0) | |
4833 | goto xdr_error; | |
4834 | fsinfo->wtpref = fsinfo->wtmax; | |
1ca843a2 AG |
4835 | |
4836 | status = -EIO; | |
4837 | if (unlikely(bitmap[0])) | |
4838 | goto xdr_error; | |
4839 | ||
55b6e774 | 4840 | status = decode_attr_time_delta(xdr, bitmap, &fsinfo->time_delta); |
504913fb AA |
4841 | if (status != 0) |
4842 | goto xdr_error; | |
ca440c38 | 4843 | status = decode_attr_pnfstype(xdr, bitmap, fsinfo); |
55b6e774 RL |
4844 | if (status != 0) |
4845 | goto xdr_error; | |
1ca843a2 AG |
4846 | |
4847 | status = -EIO; | |
4848 | if (unlikely(bitmap[1])) | |
4849 | goto xdr_error; | |
4850 | ||
dae100c2 | 4851 | status = decode_attr_layout_blksize(xdr, bitmap, &fsinfo->blksize); |
2a92ee92 PT |
4852 | if (status) |
4853 | goto xdr_error; | |
4854 | status = decode_attr_clone_blksize(xdr, bitmap, &fsinfo->clone_blksize); | |
dae100c2 FI |
4855 | if (status) |
4856 | goto xdr_error; | |
1da177e4 LT |
4857 | |
4858 | status = verify_attr_len(xdr, savep, attrlen); | |
4859 | xdr_error: | |
3110ff80 | 4860 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4861 | return status; |
4862 | } | |
4863 | ||
4864 | static int decode_getfh(struct xdr_stream *xdr, struct nfs_fh *fh) | |
4865 | { | |
8687b63a | 4866 | __be32 *p; |
1da177e4 LT |
4867 | uint32_t len; |
4868 | int status; | |
4869 | ||
9936781d TM |
4870 | /* Zero handle first to allow comparisons */ |
4871 | memset(fh, 0, sizeof(*fh)); | |
4872 | ||
1da177e4 LT |
4873 | status = decode_op_hdr(xdr, OP_GETFH); |
4874 | if (status) | |
4875 | return status; | |
1da177e4 | 4876 | |
c0eae66e BH |
4877 | p = xdr_inline_decode(xdr, 4); |
4878 | if (unlikely(!p)) | |
eb72f484 | 4879 | return -EIO; |
cccddf4f | 4880 | len = be32_to_cpup(p); |
1da177e4 LT |
4881 | if (len > NFS4_FHSIZE) |
4882 | return -EIO; | |
4883 | fh->size = len; | |
c0eae66e BH |
4884 | p = xdr_inline_decode(xdr, len); |
4885 | if (unlikely(!p)) | |
eb72f484 | 4886 | return -EIO; |
99398d06 | 4887 | memcpy(fh->data, p, len); |
1da177e4 LT |
4888 | return 0; |
4889 | } | |
4890 | ||
4891 | static int decode_link(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4892 | { | |
4893 | int status; | |
6c0195a4 | 4894 | |
1da177e4 LT |
4895 | status = decode_op_hdr(xdr, OP_LINK); |
4896 | if (status) | |
4897 | return status; | |
4898 | return decode_change_info(xdr, cinfo); | |
4899 | } | |
4900 | ||
4901 | /* | |
4902 | * We create the owner, so we know a proper owner.id length is 4. | |
4903 | */ | |
911d1aaf | 4904 | static int decode_lock_denied (struct xdr_stream *xdr, struct file_lock *fl) |
1da177e4 | 4905 | { |
911d1aaf | 4906 | uint64_t offset, length, clientid; |
8687b63a | 4907 | __be32 *p; |
911d1aaf | 4908 | uint32_t namelen, type; |
1da177e4 | 4909 | |
babddc72 | 4910 | p = xdr_inline_decode(xdr, 32); /* read 32 bytes */ |
c0eae66e | 4911 | if (unlikely(!p)) |
eb72f484 | 4912 | return -EIO; |
babddc72 | 4913 | p = xdr_decode_hyper(p, &offset); /* read 2 8-byte long words */ |
3ceb4dbb | 4914 | p = xdr_decode_hyper(p, &length); |
babddc72 BS |
4915 | type = be32_to_cpup(p++); /* 4 byte read */ |
4916 | if (fl != NULL) { /* manipulate file lock */ | |
911d1aaf TM |
4917 | fl->fl_start = (loff_t)offset; |
4918 | fl->fl_end = fl->fl_start + (loff_t)length - 1; | |
4919 | if (length == ~(uint64_t)0) | |
4920 | fl->fl_end = OFFSET_MAX; | |
4921 | fl->fl_type = F_WRLCK; | |
4922 | if (type & 1) | |
4923 | fl->fl_type = F_RDLCK; | |
4924 | fl->fl_pid = 0; | |
4925 | } | |
babddc72 BS |
4926 | p = xdr_decode_hyper(p, &clientid); /* read 8 bytes */ |
4927 | namelen = be32_to_cpup(p); /* read 4 bytes */ /* have read all 32 bytes now */ | |
4928 | p = xdr_inline_decode(xdr, namelen); /* variable size field */ | |
eb72f484 CL |
4929 | if (likely(!p)) |
4930 | return -EIO; | |
4931 | return -NFS4ERR_DENIED; | |
1da177e4 LT |
4932 | } |
4933 | ||
911d1aaf | 4934 | static int decode_lock(struct xdr_stream *xdr, struct nfs_lock_res *res) |
1da177e4 | 4935 | { |
1da177e4 LT |
4936 | int status; |
4937 | ||
4938 | status = decode_op_hdr(xdr, OP_LOCK); | |
c1d51931 TM |
4939 | if (status == -EIO) |
4940 | goto out; | |
1da177e4 | 4941 | if (status == 0) { |
93b717fd | 4942 | status = decode_lock_stateid(xdr, &res->stateid); |
07d30434 BH |
4943 | if (unlikely(status)) |
4944 | goto out; | |
1da177e4 | 4945 | } else if (status == -NFS4ERR_DENIED) |
c1d51931 TM |
4946 | status = decode_lock_denied(xdr, NULL); |
4947 | if (res->open_seqid != NULL) | |
4948 | nfs_increment_open_seqid(status, res->open_seqid); | |
4949 | nfs_increment_lock_seqid(status, res->lock_seqid); | |
4950 | out: | |
1da177e4 LT |
4951 | return status; |
4952 | } | |
4953 | ||
911d1aaf | 4954 | static int decode_lockt(struct xdr_stream *xdr, struct nfs_lockt_res *res) |
1da177e4 LT |
4955 | { |
4956 | int status; | |
4957 | status = decode_op_hdr(xdr, OP_LOCKT); | |
4958 | if (status == -NFS4ERR_DENIED) | |
911d1aaf | 4959 | return decode_lock_denied(xdr, res->denied); |
1da177e4 LT |
4960 | return status; |
4961 | } | |
4962 | ||
911d1aaf | 4963 | static int decode_locku(struct xdr_stream *xdr, struct nfs_locku_res *res) |
1da177e4 | 4964 | { |
1da177e4 LT |
4965 | int status; |
4966 | ||
4967 | status = decode_op_hdr(xdr, OP_LOCKU); | |
c1d51931 TM |
4968 | if (status != -EIO) |
4969 | nfs_increment_lock_seqid(status, res->seqid); | |
07d30434 | 4970 | if (status == 0) |
93b717fd | 4971 | status = decode_lock_stateid(xdr, &res->stateid); |
1da177e4 LT |
4972 | return status; |
4973 | } | |
4974 | ||
d3c7b7cc TM |
4975 | static int decode_release_lockowner(struct xdr_stream *xdr) |
4976 | { | |
4977 | return decode_op_hdr(xdr, OP_RELEASE_LOCKOWNER); | |
4978 | } | |
4979 | ||
1da177e4 LT |
4980 | static int decode_lookup(struct xdr_stream *xdr) |
4981 | { | |
4982 | return decode_op_hdr(xdr, OP_LOOKUP); | |
4983 | } | |
4984 | ||
5b5faaf6 JL |
4985 | static int decode_lookupp(struct xdr_stream *xdr) |
4986 | { | |
4987 | return decode_op_hdr(xdr, OP_LOOKUPP); | |
4988 | } | |
4989 | ||
1da177e4 | 4990 | /* This is too sick! */ |
7d160a6c TM |
4991 | static int decode_space_limit(struct xdr_stream *xdr, |
4992 | unsigned long *pagemod_limit) | |
1da177e4 | 4993 | { |
05d564fe | 4994 | __be32 *p; |
1da177e4 | 4995 | uint32_t limit_type, nblocks, blocksize; |
7d160a6c | 4996 | u64 maxsize = 0; |
1da177e4 | 4997 | |
c0eae66e BH |
4998 | p = xdr_inline_decode(xdr, 12); |
4999 | if (unlikely(!p)) | |
eb72f484 | 5000 | return -EIO; |
6f723f77 | 5001 | limit_type = be32_to_cpup(p++); |
1da177e4 | 5002 | switch (limit_type) { |
7d160a6c TM |
5003 | case NFS4_LIMIT_SIZE: |
5004 | xdr_decode_hyper(p, &maxsize); | |
05d564fe | 5005 | break; |
7d160a6c | 5006 | case NFS4_LIMIT_BLOCKS: |
6f723f77 | 5007 | nblocks = be32_to_cpup(p++); |
cccddf4f | 5008 | blocksize = be32_to_cpup(p); |
7d160a6c | 5009 | maxsize = (uint64_t)nblocks * (uint64_t)blocksize; |
1da177e4 | 5010 | } |
09cbfeaf | 5011 | maxsize >>= PAGE_SHIFT; |
7d160a6c | 5012 | *pagemod_limit = min_t(u64, maxsize, ULONG_MAX); |
1da177e4 LT |
5013 | return 0; |
5014 | } | |
5015 | ||
6ae37339 TM |
5016 | static int decode_rw_delegation(struct xdr_stream *xdr, |
5017 | uint32_t delegation_type, | |
5018 | struct nfs_openres *res) | |
1da177e4 | 5019 | { |
05d564fe | 5020 | __be32 *p; |
07d30434 | 5021 | int status; |
1da177e4 | 5022 | |
93b717fd | 5023 | status = decode_delegation_stateid(xdr, &res->delegation); |
07d30434 BH |
5024 | if (unlikely(status)) |
5025 | return status; | |
c0eae66e BH |
5026 | p = xdr_inline_decode(xdr, 4); |
5027 | if (unlikely(!p)) | |
eb72f484 | 5028 | return -EIO; |
cccddf4f | 5029 | res->do_recall = be32_to_cpup(p); |
05d564fe | 5030 | |
1da177e4 | 5031 | switch (delegation_type) { |
05d564fe AA |
5032 | case NFS4_OPEN_DELEGATE_READ: |
5033 | res->delegation_type = FMODE_READ; | |
5034 | break; | |
5035 | case NFS4_OPEN_DELEGATE_WRITE: | |
5036 | res->delegation_type = FMODE_WRITE|FMODE_READ; | |
7d160a6c | 5037 | if (decode_space_limit(xdr, &res->pagemod_limit) < 0) |
1da177e4 LT |
5038 | return -EIO; |
5039 | } | |
1bbe60ff | 5040 | return decode_ace(xdr, NULL); |
1da177e4 LT |
5041 | } |
5042 | ||
6ae37339 TM |
5043 | static int decode_no_delegation(struct xdr_stream *xdr, struct nfs_openres *res) |
5044 | { | |
5045 | __be32 *p; | |
5046 | uint32_t why_no_delegation; | |
5047 | ||
5048 | p = xdr_inline_decode(xdr, 4); | |
5049 | if (unlikely(!p)) | |
eb72f484 | 5050 | return -EIO; |
6ae37339 TM |
5051 | why_no_delegation = be32_to_cpup(p); |
5052 | switch (why_no_delegation) { | |
5053 | case WND4_CONTENTION: | |
5054 | case WND4_RESOURCE: | |
5055 | xdr_inline_decode(xdr, 4); | |
5056 | /* Ignore for now */ | |
5057 | } | |
5058 | return 0; | |
6ae37339 TM |
5059 | } |
5060 | ||
5061 | static int decode_delegation(struct xdr_stream *xdr, struct nfs_openres *res) | |
5062 | { | |
5063 | __be32 *p; | |
5064 | uint32_t delegation_type; | |
5065 | ||
5066 | p = xdr_inline_decode(xdr, 4); | |
5067 | if (unlikely(!p)) | |
eb72f484 | 5068 | return -EIO; |
6ae37339 TM |
5069 | delegation_type = be32_to_cpup(p); |
5070 | res->delegation_type = 0; | |
5071 | switch (delegation_type) { | |
5072 | case NFS4_OPEN_DELEGATE_NONE: | |
5073 | return 0; | |
5074 | case NFS4_OPEN_DELEGATE_READ: | |
5075 | case NFS4_OPEN_DELEGATE_WRITE: | |
5076 | return decode_rw_delegation(xdr, delegation_type, res); | |
5077 | case NFS4_OPEN_DELEGATE_NONE_EXT: | |
5078 | return decode_no_delegation(xdr, res); | |
5079 | } | |
5080 | return -EIO; | |
6ae37339 TM |
5081 | } |
5082 | ||
1da177e4 LT |
5083 | static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res) |
5084 | { | |
05d564fe | 5085 | __be32 *p; |
aa53ed54 | 5086 | uint32_t savewords, bmlen, i; |
05d564fe | 5087 | int status; |
1da177e4 | 5088 | |
c7848f69 TM |
5089 | if (!__decode_op_hdr(xdr, OP_OPEN, &status)) |
5090 | return status; | |
5091 | nfs_increment_open_seqid(status, res->seqid); | |
5092 | if (status) | |
5093 | return status; | |
93b717fd | 5094 | status = decode_open_stateid(xdr, &res->stateid); |
07d30434 | 5095 | if (unlikely(status)) |
05d564fe | 5096 | return status; |
1da177e4 | 5097 | |
05d564fe | 5098 | decode_change_info(xdr, &res->cinfo); |
1da177e4 | 5099 | |
c0eae66e BH |
5100 | p = xdr_inline_decode(xdr, 8); |
5101 | if (unlikely(!p)) | |
eb72f484 | 5102 | return -EIO; |
6f723f77 | 5103 | res->rflags = be32_to_cpup(p++); |
cccddf4f | 5104 | bmlen = be32_to_cpup(p); |
05d564fe AA |
5105 | if (bmlen > 10) |
5106 | goto xdr_error; | |
1da177e4 | 5107 | |
c0eae66e BH |
5108 | p = xdr_inline_decode(xdr, bmlen << 2); |
5109 | if (unlikely(!p)) | |
eb72f484 | 5110 | return -EIO; |
aa53ed54 JL |
5111 | savewords = min_t(uint32_t, bmlen, NFS4_BITMAP_SIZE); |
5112 | for (i = 0; i < savewords; ++i) | |
6f723f77 | 5113 | res->attrset[i] = be32_to_cpup(p++); |
aa53ed54 JL |
5114 | for (; i < NFS4_BITMAP_SIZE; i++) |
5115 | res->attrset[i] = 0; | |
5116 | ||
1da177e4 LT |
5117 | return decode_delegation(xdr, res); |
5118 | xdr_error: | |
3110ff80 | 5119 | dprintk("%s: Bitmap too large! Length = %u\n", __func__, bmlen); |
1da177e4 LT |
5120 | return -EIO; |
5121 | } | |
5122 | ||
5123 | static int decode_open_confirm(struct xdr_stream *xdr, struct nfs_open_confirmres *res) | |
5124 | { | |
1da177e4 LT |
5125 | int status; |
5126 | ||
05d564fe | 5127 | status = decode_op_hdr(xdr, OP_OPEN_CONFIRM); |
c1d51931 TM |
5128 | if (status != -EIO) |
5129 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 | 5130 | if (!status) |
93b717fd | 5131 | status = decode_open_stateid(xdr, &res->stateid); |
07d30434 | 5132 | return status; |
1da177e4 LT |
5133 | } |
5134 | ||
5135 | static int decode_open_downgrade(struct xdr_stream *xdr, struct nfs_closeres *res) | |
5136 | { | |
1da177e4 LT |
5137 | int status; |
5138 | ||
5139 | status = decode_op_hdr(xdr, OP_OPEN_DOWNGRADE); | |
c1d51931 TM |
5140 | if (status != -EIO) |
5141 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 | 5142 | if (!status) |
93b717fd | 5143 | status = decode_open_stateid(xdr, &res->stateid); |
07d30434 | 5144 | return status; |
1da177e4 LT |
5145 | } |
5146 | ||
5147 | static int decode_putfh(struct xdr_stream *xdr) | |
5148 | { | |
5149 | return decode_op_hdr(xdr, OP_PUTFH); | |
5150 | } | |
5151 | ||
5152 | static int decode_putrootfh(struct xdr_stream *xdr) | |
5153 | { | |
5154 | return decode_op_hdr(xdr, OP_PUTROOTFH); | |
5155 | } | |
5156 | ||
9137bdf3 AS |
5157 | static int decode_read(struct xdr_stream *xdr, struct rpc_rqst *req, |
5158 | struct nfs_pgio_res *res) | |
1da177e4 | 5159 | { |
8687b63a | 5160 | __be32 *p; |
64bd577e | 5161 | uint32_t count, eof, recvd; |
1da177e4 LT |
5162 | int status; |
5163 | ||
5164 | status = decode_op_hdr(xdr, OP_READ); | |
5165 | if (status) | |
5166 | return status; | |
c0eae66e BH |
5167 | p = xdr_inline_decode(xdr, 8); |
5168 | if (unlikely(!p)) | |
eb72f484 | 5169 | return -EIO; |
6f723f77 | 5170 | eof = be32_to_cpup(p++); |
cccddf4f | 5171 | count = be32_to_cpup(p); |
64bd577e | 5172 | recvd = xdr_read_pages(xdr, count); |
1da177e4 | 5173 | if (count > recvd) { |
fe82a183 | 5174 | dprintk("NFS: server cheating in read reply: " |
1da177e4 LT |
5175 | "count %u > recvd %u\n", count, recvd); |
5176 | count = recvd; | |
5177 | eof = 0; | |
5178 | } | |
1da177e4 LT |
5179 | res->eof = eof; |
5180 | res->count = count; | |
5181 | return 0; | |
5182 | } | |
5183 | ||
5184 | static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs4_readdir_res *readdir) | |
5185 | { | |
bcecff77 | 5186 | int status; |
cd93710e | 5187 | __be32 verf[2]; |
1da177e4 LT |
5188 | |
5189 | status = decode_op_hdr(xdr, OP_READDIR); | |
db942bbd BH |
5190 | if (!status) |
5191 | status = decode_verifier(xdr, readdir->verifier.data); | |
5192 | if (unlikely(status)) | |
1da177e4 | 5193 | return status; |
cd93710e | 5194 | memcpy(verf, readdir->verifier.data, sizeof(verf)); |
44109241 | 5195 | dprintk("%s: verifier = %08x:%08x\n", |
cd93710e | 5196 | __func__, verf[0], verf[1]); |
64bd577e | 5197 | return xdr_read_pages(xdr, xdr->buf->page_len); |
1da177e4 LT |
5198 | } |
5199 | ||
5200 | static int decode_readlink(struct xdr_stream *xdr, struct rpc_rqst *req) | |
5201 | { | |
5202 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; | |
bcecff77 | 5203 | u32 len, recvd; |
8687b63a | 5204 | __be32 *p; |
1da177e4 LT |
5205 | int status; |
5206 | ||
5207 | status = decode_op_hdr(xdr, OP_READLINK); | |
5208 | if (status) | |
5209 | return status; | |
5210 | ||
5211 | /* Convert length of symlink */ | |
c0eae66e BH |
5212 | p = xdr_inline_decode(xdr, 4); |
5213 | if (unlikely(!p)) | |
eb72f484 | 5214 | return -EIO; |
cccddf4f | 5215 | len = be32_to_cpup(p); |
1da177e4 | 5216 | if (len >= rcvbuf->page_len || len <= 0) { |
fe82a183 | 5217 | dprintk("nfs: server returned giant symlink!\n"); |
1da177e4 LT |
5218 | return -ENAMETOOLONG; |
5219 | } | |
64bd577e | 5220 | recvd = xdr_read_pages(xdr, len); |
1da177e4 | 5221 | if (recvd < len) { |
fe82a183 | 5222 | dprintk("NFS: server cheating in readlink reply: " |
1da177e4 LT |
5223 | "count %u > recvd %u\n", len, recvd); |
5224 | return -EIO; | |
5225 | } | |
1da177e4 LT |
5226 | /* |
5227 | * The XDR encode routine has set things up so that | |
5228 | * the link text will be copied directly into the | |
5229 | * buffer. We just have to do overflow-checking, | |
5230 | * and and null-terminate the text (the VFS expects | |
5231 | * null-termination). | |
5232 | */ | |
b4687da7 | 5233 | xdr_terminate_string(rcvbuf, len); |
1da177e4 LT |
5234 | return 0; |
5235 | } | |
5236 | ||
5237 | static int decode_remove(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
5238 | { | |
5239 | int status; | |
5240 | ||
5241 | status = decode_op_hdr(xdr, OP_REMOVE); | |
5242 | if (status) | |
5243 | goto out; | |
5244 | status = decode_change_info(xdr, cinfo); | |
5245 | out: | |
5246 | return status; | |
5247 | } | |
5248 | ||
5249 | static int decode_rename(struct xdr_stream *xdr, struct nfs4_change_info *old_cinfo, | |
5250 | struct nfs4_change_info *new_cinfo) | |
5251 | { | |
5252 | int status; | |
5253 | ||
5254 | status = decode_op_hdr(xdr, OP_RENAME); | |
5255 | if (status) | |
5256 | goto out; | |
5257 | if ((status = decode_change_info(xdr, old_cinfo))) | |
5258 | goto out; | |
5259 | status = decode_change_info(xdr, new_cinfo); | |
5260 | out: | |
5261 | return status; | |
5262 | } | |
5263 | ||
5264 | static int decode_renew(struct xdr_stream *xdr) | |
5265 | { | |
5266 | return decode_op_hdr(xdr, OP_RENEW); | |
5267 | } | |
5268 | ||
56ae19f3 TM |
5269 | static int |
5270 | decode_restorefh(struct xdr_stream *xdr) | |
5271 | { | |
5272 | return decode_op_hdr(xdr, OP_RESTOREFH); | |
5273 | } | |
5274 | ||
029d105e | 5275 | static int decode_getacl(struct xdr_stream *xdr, struct rpc_rqst *req, |
bf118a34 | 5276 | struct nfs_getaclres *res) |
029d105e | 5277 | { |
256e48bb | 5278 | unsigned int savep; |
029d105e | 5279 | uint32_t attrlen, |
dae100c2 | 5280 | bitmap[3] = {0}; |
029d105e | 5281 | int status; |
cff298c7 | 5282 | unsigned int pg_offset; |
029d105e | 5283 | |
bf118a34 | 5284 | res->acl_len = 0; |
029d105e BF |
5285 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
5286 | goto out; | |
5a006899 | 5287 | |
519d3959 TM |
5288 | xdr_enter_page(xdr, xdr->buf->page_len); |
5289 | ||
cff298c7 TM |
5290 | /* Calculate the offset of the page data */ |
5291 | pg_offset = xdr->buf->head[0].iov_len; | |
5a006899 | 5292 | |
029d105e BF |
5293 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) |
5294 | goto out; | |
5295 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
5296 | goto out; | |
5297 | ||
5298 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACL - 1U))) | |
5299 | return -EIO; | |
5300 | if (likely(bitmap[0] & FATTR4_WORD0_ACL)) { | |
029d105e | 5301 | |
bf118a34 AA |
5302 | /* The bitmap (xdr len + bitmaps) and the attr xdr len words |
5303 | * are stored with the acl data to handle the problem of | |
5304 | * variable length bitmaps.*/ | |
cff298c7 | 5305 | res->acl_data_offset = xdr_stream_pos(xdr) - pg_offset; |
519d3959 | 5306 | res->acl_len = attrlen; |
1f1ea6c2 TM |
5307 | |
5308 | /* Check for receive buffer overflow */ | |
5309 | if (res->acl_len > (xdr->nwords << 2) || | |
5310 | res->acl_len + res->acl_data_offset > xdr->buf->page_len) { | |
5311 | res->acl_flags |= NFS4_ACL_TRUNC; | |
519d3959 | 5312 | dprintk("NFS: acl reply: attrlen %u > page_len %u\n", |
cff298c7 | 5313 | attrlen, xdr->nwords << 2); |
029d105e | 5314 | } |
8c233cf9 BF |
5315 | } else |
5316 | status = -EOPNOTSUPP; | |
029d105e BF |
5317 | |
5318 | out: | |
5319 | return status; | |
5320 | } | |
5321 | ||
1da177e4 LT |
5322 | static int |
5323 | decode_savefh(struct xdr_stream *xdr) | |
5324 | { | |
5325 | return decode_op_hdr(xdr, OP_SAVEFH); | |
5326 | } | |
5327 | ||
9e9ecc03 | 5328 | static int decode_setattr(struct xdr_stream *xdr) |
1da177e4 | 5329 | { |
1da177e4 LT |
5330 | int status; |
5331 | ||
1da177e4 LT |
5332 | status = decode_op_hdr(xdr, OP_SETATTR); |
5333 | if (status) | |
5334 | return status; | |
37c88763 | 5335 | if (decode_bitmap4(xdr, NULL, 0) >= 0) |
c0eae66e | 5336 | return 0; |
c0eae66e | 5337 | return -EIO; |
1da177e4 LT |
5338 | } |
5339 | ||
bb8b27e5 | 5340 | static int decode_setclientid(struct xdr_stream *xdr, struct nfs4_setclientid_res *res) |
1da177e4 | 5341 | { |
8687b63a | 5342 | __be32 *p; |
1da177e4 LT |
5343 | uint32_t opnum; |
5344 | int32_t nfserr; | |
5345 | ||
c0eae66e BH |
5346 | p = xdr_inline_decode(xdr, 8); |
5347 | if (unlikely(!p)) | |
eb72f484 | 5348 | return -EIO; |
6f723f77 | 5349 | opnum = be32_to_cpup(p++); |
1da177e4 | 5350 | if (opnum != OP_SETCLIENTID) { |
fe82a183 | 5351 | dprintk("nfs: decode_setclientid: Server returned operation" |
6c0195a4 | 5352 | " %d\n", opnum); |
1da177e4 LT |
5353 | return -EIO; |
5354 | } | |
cccddf4f | 5355 | nfserr = be32_to_cpup(p); |
1da177e4 | 5356 | if (nfserr == NFS_OK) { |
c0eae66e BH |
5357 | p = xdr_inline_decode(xdr, 8 + NFS4_VERIFIER_SIZE); |
5358 | if (unlikely(!p)) | |
eb72f484 | 5359 | return -EIO; |
bb8b27e5 TM |
5360 | p = xdr_decode_hyper(p, &res->clientid); |
5361 | memcpy(res->confirm.data, p, NFS4_VERIFIER_SIZE); | |
1da177e4 LT |
5362 | } else if (nfserr == NFSERR_CLID_INUSE) { |
5363 | uint32_t len; | |
5364 | ||
5365 | /* skip netid string */ | |
c0eae66e BH |
5366 | p = xdr_inline_decode(xdr, 4); |
5367 | if (unlikely(!p)) | |
eb72f484 | 5368 | return -EIO; |
cccddf4f | 5369 | len = be32_to_cpup(p); |
c0eae66e BH |
5370 | p = xdr_inline_decode(xdr, len); |
5371 | if (unlikely(!p)) | |
eb72f484 | 5372 | return -EIO; |
1da177e4 LT |
5373 | |
5374 | /* skip uaddr string */ | |
c0eae66e BH |
5375 | p = xdr_inline_decode(xdr, 4); |
5376 | if (unlikely(!p)) | |
eb72f484 | 5377 | return -EIO; |
cccddf4f | 5378 | len = be32_to_cpup(p); |
c0eae66e BH |
5379 | p = xdr_inline_decode(xdr, len); |
5380 | if (unlikely(!p)) | |
eb72f484 | 5381 | return -EIO; |
1da177e4 LT |
5382 | return -NFSERR_CLID_INUSE; |
5383 | } else | |
856dff3d | 5384 | return nfs4_stat_to_errno(nfserr); |
1da177e4 LT |
5385 | |
5386 | return 0; | |
5387 | } | |
5388 | ||
5389 | static int decode_setclientid_confirm(struct xdr_stream *xdr) | |
5390 | { | |
5391 | return decode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM); | |
5392 | } | |
5393 | ||
9137bdf3 | 5394 | static int decode_write(struct xdr_stream *xdr, struct nfs_pgio_res *res) |
1da177e4 | 5395 | { |
8687b63a | 5396 | __be32 *p; |
1da177e4 LT |
5397 | int status; |
5398 | ||
5399 | status = decode_op_hdr(xdr, OP_WRITE); | |
5400 | if (status) | |
5401 | return status; | |
5402 | ||
2f2c63bc | 5403 | p = xdr_inline_decode(xdr, 8); |
c0eae66e | 5404 | if (unlikely(!p)) |
eb72f484 | 5405 | return -EIO; |
6f723f77 BH |
5406 | res->count = be32_to_cpup(p++); |
5407 | res->verf->committed = be32_to_cpup(p++); | |
2f2c63bc | 5408 | return decode_write_verifier(xdr, &res->verf->verifier); |
1da177e4 LT |
5409 | } |
5410 | ||
5411 | static int decode_delegreturn(struct xdr_stream *xdr) | |
5412 | { | |
5413 | return decode_op_hdr(xdr, OP_DELEGRETURN); | |
5414 | } | |
5415 | ||
fb15b26f CL |
5416 | static int decode_secinfo_gss(struct xdr_stream *xdr, |
5417 | struct nfs4_secinfo4 *flavor) | |
5a5ea0d4 | 5418 | { |
fb15b26f | 5419 | u32 oid_len; |
5a5ea0d4 BS |
5420 | __be32 *p; |
5421 | ||
5422 | p = xdr_inline_decode(xdr, 4); | |
5423 | if (unlikely(!p)) | |
eb72f484 | 5424 | return -EIO; |
fb15b26f CL |
5425 | oid_len = be32_to_cpup(p); |
5426 | if (oid_len > GSS_OID_MAX_LEN) | |
eb72f484 | 5427 | return -EINVAL; |
5a5ea0d4 | 5428 | |
fb15b26f | 5429 | p = xdr_inline_decode(xdr, oid_len); |
5a5ea0d4 | 5430 | if (unlikely(!p)) |
eb72f484 | 5431 | return -EIO; |
fb15b26f CL |
5432 | memcpy(flavor->flavor_info.oid.data, p, oid_len); |
5433 | flavor->flavor_info.oid.len = oid_len; | |
5a5ea0d4 BS |
5434 | |
5435 | p = xdr_inline_decode(xdr, 8); | |
5436 | if (unlikely(!p)) | |
eb72f484 | 5437 | return -EIO; |
fb15b26f CL |
5438 | flavor->flavor_info.qop = be32_to_cpup(p++); |
5439 | flavor->flavor_info.service = be32_to_cpup(p); | |
5a5ea0d4 BS |
5440 | |
5441 | return 0; | |
5a5ea0d4 BS |
5442 | } |
5443 | ||
31e4dda4 | 5444 | static int decode_secinfo_common(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
5a5ea0d4 | 5445 | { |
fb15b26f CL |
5446 | struct nfs4_secinfo4 *sec_flavor; |
5447 | unsigned int i, num_flavors; | |
5a5ea0d4 BS |
5448 | int status; |
5449 | __be32 *p; | |
5a5ea0d4 | 5450 | |
5a5ea0d4 BS |
5451 | p = xdr_inline_decode(xdr, 4); |
5452 | if (unlikely(!p)) | |
eb72f484 | 5453 | return -EIO; |
5a5ea0d4 | 5454 | |
c3dfc280 BS |
5455 | res->flavors->num_flavors = 0; |
5456 | num_flavors = be32_to_cpup(p); | |
5457 | ||
5458 | for (i = 0; i < num_flavors; i++) { | |
5a5ea0d4 | 5459 | sec_flavor = &res->flavors->flavors[i]; |
c3dfc280 | 5460 | if ((char *)&sec_flavor[1] - (char *)res->flavors > PAGE_SIZE) |
5a5ea0d4 BS |
5461 | break; |
5462 | ||
5463 | p = xdr_inline_decode(xdr, 4); | |
5464 | if (unlikely(!p)) | |
eb72f484 | 5465 | return -EIO; |
5a5ea0d4 BS |
5466 | sec_flavor->flavor = be32_to_cpup(p); |
5467 | ||
5468 | if (sec_flavor->flavor == RPC_AUTH_GSS) { | |
613e901e BS |
5469 | status = decode_secinfo_gss(xdr, sec_flavor); |
5470 | if (status) | |
5471 | goto out; | |
5a5ea0d4 | 5472 | } |
c3dfc280 | 5473 | res->flavors->num_flavors++; |
5a5ea0d4 BS |
5474 | } |
5475 | ||
31e4dda4 | 5476 | status = 0; |
613e901e BS |
5477 | out: |
5478 | return status; | |
5a5ea0d4 BS |
5479 | } |
5480 | ||
31e4dda4 BS |
5481 | static int decode_secinfo(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
5482 | { | |
5483 | int status = decode_op_hdr(xdr, OP_SECINFO); | |
5484 | if (status) | |
5485 | return status; | |
5486 | return decode_secinfo_common(xdr, res); | |
5487 | } | |
5488 | ||
99fe60d0 | 5489 | #if defined(CONFIG_NFS_V4_1) |
31e4dda4 BS |
5490 | static int decode_secinfo_no_name(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
5491 | { | |
5492 | int status = decode_op_hdr(xdr, OP_SECINFO_NO_NAME); | |
5493 | if (status) | |
5494 | return status; | |
5495 | return decode_secinfo_common(xdr, res); | |
5496 | } | |
5497 | ||
2031cd1a WAA |
5498 | static int decode_op_map(struct xdr_stream *xdr, struct nfs4_op_map *op_map) |
5499 | { | |
5500 | __be32 *p; | |
5501 | uint32_t bitmap_words; | |
5502 | unsigned int i; | |
5503 | ||
5504 | p = xdr_inline_decode(xdr, 4); | |
4edabfd7 PB |
5505 | if (!p) |
5506 | return -EIO; | |
2031cd1a WAA |
5507 | bitmap_words = be32_to_cpup(p++); |
5508 | if (bitmap_words > NFS4_OP_MAP_NUM_WORDS) | |
5509 | return -EIO; | |
5510 | p = xdr_inline_decode(xdr, 4 * bitmap_words); | |
5511 | for (i = 0; i < bitmap_words; i++) | |
5512 | op_map->u.words[i] = be32_to_cpup(p++); | |
5513 | ||
5514 | return 0; | |
5515 | } | |
5516 | ||
99fe60d0 BH |
5517 | static int decode_exchange_id(struct xdr_stream *xdr, |
5518 | struct nfs41_exchange_id_res *res) | |
5519 | { | |
5520 | __be32 *p; | |
5521 | uint32_t dummy; | |
2460ba57 | 5522 | char *dummy_str; |
99fe60d0 | 5523 | int status; |
7d2ed9ac | 5524 | uint32_t impl_id_count; |
99fe60d0 BH |
5525 | |
5526 | status = decode_op_hdr(xdr, OP_EXCHANGE_ID); | |
5527 | if (status) | |
5528 | return status; | |
5529 | ||
c0eae66e BH |
5530 | p = xdr_inline_decode(xdr, 8); |
5531 | if (unlikely(!p)) | |
eb72f484 | 5532 | return -EIO; |
32b01310 | 5533 | xdr_decode_hyper(p, &res->clientid); |
c0eae66e BH |
5534 | p = xdr_inline_decode(xdr, 12); |
5535 | if (unlikely(!p)) | |
eb72f484 | 5536 | return -EIO; |
32b01310 TM |
5537 | res->seqid = be32_to_cpup(p++); |
5538 | res->flags = be32_to_cpup(p++); | |
99fe60d0 | 5539 | |
2031cd1a WAA |
5540 | res->state_protect.how = be32_to_cpup(p); |
5541 | switch (res->state_protect.how) { | |
5542 | case SP4_NONE: | |
5543 | break; | |
5544 | case SP4_MACH_CRED: | |
5545 | status = decode_op_map(xdr, &res->state_protect.enforce); | |
5546 | if (status) | |
5547 | return status; | |
5548 | status = decode_op_map(xdr, &res->state_protect.allow); | |
5549 | if (status) | |
5550 | return status; | |
5551 | break; | |
5552 | default: | |
5553 | WARN_ON_ONCE(1); | |
99fe60d0 | 5554 | return -EIO; |
2031cd1a | 5555 | } |
99fe60d0 | 5556 | |
acdeb69d | 5557 | /* server_owner4.so_minor_id */ |
c0eae66e BH |
5558 | p = xdr_inline_decode(xdr, 8); |
5559 | if (unlikely(!p)) | |
eb72f484 | 5560 | return -EIO; |
acdeb69d | 5561 | p = xdr_decode_hyper(p, &res->server_owner->minor_id); |
99fe60d0 | 5562 | |
acdeb69d | 5563 | /* server_owner4.so_major_id */ |
2460ba57 BH |
5564 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
5565 | if (unlikely(status)) | |
5566 | return status; | |
acdeb69d CL |
5567 | memcpy(res->server_owner->major_id, dummy_str, dummy); |
5568 | res->server_owner->major_id_sz = dummy; | |
99fe60d0 | 5569 | |
acdeb69d | 5570 | /* server_scope4 */ |
2460ba57 BH |
5571 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
5572 | if (unlikely(status)) | |
5573 | return status; | |
78fe0f41 WAA |
5574 | memcpy(res->server_scope->server_scope, dummy_str, dummy); |
5575 | res->server_scope->server_scope_sz = dummy; | |
5576 | ||
7d2ed9ac WAA |
5577 | /* Implementation Id */ |
5578 | p = xdr_inline_decode(xdr, 4); | |
5579 | if (unlikely(!p)) | |
eb72f484 | 5580 | return -EIO; |
7d2ed9ac | 5581 | impl_id_count = be32_to_cpup(p++); |
99fe60d0 | 5582 | |
7d2ed9ac WAA |
5583 | if (impl_id_count) { |
5584 | /* nii_domain */ | |
5585 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); | |
5586 | if (unlikely(status)) | |
5587 | return status; | |
7d2ed9ac WAA |
5588 | memcpy(res->impl_id->domain, dummy_str, dummy); |
5589 | ||
5590 | /* nii_name */ | |
5591 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); | |
5592 | if (unlikely(status)) | |
5593 | return status; | |
7d2ed9ac WAA |
5594 | memcpy(res->impl_id->name, dummy_str, dummy); |
5595 | ||
5596 | /* nii_date */ | |
5597 | p = xdr_inline_decode(xdr, 12); | |
5598 | if (unlikely(!p)) | |
eb72f484 | 5599 | return -EIO; |
7d2ed9ac WAA |
5600 | p = xdr_decode_hyper(p, &res->impl_id->date.seconds); |
5601 | res->impl_id->date.nseconds = be32_to_cpup(p); | |
5602 | ||
5603 | /* if there's more than one entry, ignore the rest */ | |
5604 | } | |
99fe60d0 BH |
5605 | return 0; |
5606 | } | |
fc931582 AA |
5607 | |
5608 | static int decode_chan_attrs(struct xdr_stream *xdr, | |
5609 | struct nfs4_channel_attrs *attrs) | |
5610 | { | |
5611 | __be32 *p; | |
c9c30dd5 | 5612 | u32 nr_attrs, val; |
fc931582 | 5613 | |
c0eae66e BH |
5614 | p = xdr_inline_decode(xdr, 28); |
5615 | if (unlikely(!p)) | |
eb72f484 | 5616 | return -EIO; |
c9c30dd5 BH |
5617 | val = be32_to_cpup(p++); /* headerpadsz */ |
5618 | if (val) | |
5619 | return -EINVAL; /* no support for header padding yet */ | |
6f723f77 BH |
5620 | attrs->max_rqst_sz = be32_to_cpup(p++); |
5621 | attrs->max_resp_sz = be32_to_cpup(p++); | |
5622 | attrs->max_resp_sz_cached = be32_to_cpup(p++); | |
5623 | attrs->max_ops = be32_to_cpup(p++); | |
5624 | attrs->max_reqs = be32_to_cpup(p++); | |
cccddf4f | 5625 | nr_attrs = be32_to_cpup(p); |
fc931582 | 5626 | if (unlikely(nr_attrs > 1)) { |
a030889a WAA |
5627 | printk(KERN_WARNING "NFS: %s: Invalid rdma channel attrs " |
5628 | "count %u\n", __func__, nr_attrs); | |
fc931582 AA |
5629 | return -EINVAL; |
5630 | } | |
c0eae66e BH |
5631 | if (nr_attrs == 1) { |
5632 | p = xdr_inline_decode(xdr, 4); /* skip rdma_attrs */ | |
5633 | if (unlikely(!p)) | |
eb72f484 | 5634 | return -EIO; |
c0eae66e | 5635 | } |
fc931582 AA |
5636 | return 0; |
5637 | } | |
5638 | ||
e78291e4 BH |
5639 | static int decode_sessionid(struct xdr_stream *xdr, struct nfs4_sessionid *sid) |
5640 | { | |
5641 | return decode_opaque_fixed(xdr, sid->data, NFS4_MAX_SESSIONID_LEN); | |
fc931582 AA |
5642 | } |
5643 | ||
7c44f1ae WAA |
5644 | static int decode_bind_conn_to_session(struct xdr_stream *xdr, |
5645 | struct nfs41_bind_conn_to_session_res *res) | |
5646 | { | |
5647 | __be32 *p; | |
5648 | int status; | |
5649 | ||
5650 | status = decode_op_hdr(xdr, OP_BIND_CONN_TO_SESSION); | |
5651 | if (!status) | |
71a097c6 | 5652 | status = decode_sessionid(xdr, &res->sessionid); |
7c44f1ae WAA |
5653 | if (unlikely(status)) |
5654 | return status; | |
5655 | ||
5656 | /* dir flags, rdma mode bool */ | |
5657 | p = xdr_inline_decode(xdr, 8); | |
5658 | if (unlikely(!p)) | |
eb72f484 | 5659 | return -EIO; |
7c44f1ae WAA |
5660 | |
5661 | res->dir = be32_to_cpup(p++); | |
5662 | if (res->dir == 0 || res->dir > NFS4_CDFS4_BOTH) | |
5663 | return -EIO; | |
5664 | if (be32_to_cpup(p) == 0) | |
5665 | res->use_conn_in_rdma_mode = false; | |
5666 | else | |
5667 | res->use_conn_in_rdma_mode = true; | |
5668 | ||
5669 | return 0; | |
7c44f1ae WAA |
5670 | } |
5671 | ||
fc931582 AA |
5672 | static int decode_create_session(struct xdr_stream *xdr, |
5673 | struct nfs41_create_session_res *res) | |
5674 | { | |
5675 | __be32 *p; | |
5676 | int status; | |
fc931582 AA |
5677 | |
5678 | status = decode_op_hdr(xdr, OP_CREATE_SESSION); | |
e78291e4 | 5679 | if (!status) |
79969dd1 | 5680 | status = decode_sessionid(xdr, &res->sessionid); |
e78291e4 | 5681 | if (unlikely(status)) |
fc931582 AA |
5682 | return status; |
5683 | ||
fc931582 | 5684 | /* seqid, flags */ |
c0eae66e BH |
5685 | p = xdr_inline_decode(xdr, 8); |
5686 | if (unlikely(!p)) | |
eb72f484 | 5687 | return -EIO; |
79969dd1 TM |
5688 | res->seqid = be32_to_cpup(p++); |
5689 | res->flags = be32_to_cpup(p); | |
fc931582 AA |
5690 | |
5691 | /* Channel attributes */ | |
79969dd1 | 5692 | status = decode_chan_attrs(xdr, &res->fc_attrs); |
fc931582 | 5693 | if (!status) |
79969dd1 | 5694 | status = decode_chan_attrs(xdr, &res->bc_attrs); |
fc931582 AA |
5695 | return status; |
5696 | } | |
0f3e66c6 AA |
5697 | |
5698 | static int decode_destroy_session(struct xdr_stream *xdr, void *dummy) | |
5699 | { | |
5700 | return decode_op_hdr(xdr, OP_DESTROY_SESSION); | |
5701 | } | |
18019753 | 5702 | |
66245539 TM |
5703 | static int decode_destroy_clientid(struct xdr_stream *xdr, void *dummy) |
5704 | { | |
5705 | return decode_op_hdr(xdr, OP_DESTROY_CLIENTID); | |
5706 | } | |
5707 | ||
18019753 RL |
5708 | static int decode_reclaim_complete(struct xdr_stream *xdr, void *dummy) |
5709 | { | |
5710 | return decode_op_hdr(xdr, OP_RECLAIM_COMPLETE); | |
5711 | } | |
99fe60d0 BH |
5712 | #endif /* CONFIG_NFS_V4_1 */ |
5713 | ||
9b7b9fcc AA |
5714 | static int decode_sequence(struct xdr_stream *xdr, |
5715 | struct nfs4_sequence_res *res, | |
5716 | struct rpc_rqst *rqstp) | |
5717 | { | |
5718 | #if defined(CONFIG_NFS_V4_1) | |
e3725ec0 | 5719 | struct nfs4_session *session; |
fc01cea9 AA |
5720 | struct nfs4_sessionid id; |
5721 | u32 dummy; | |
5722 | int status; | |
5723 | __be32 *p; | |
5724 | ||
e3725ec0 | 5725 | if (res->sr_slot == NULL) |
9b7b9fcc | 5726 | return 0; |
3bd2384a CL |
5727 | if (!res->sr_slot->table->session) |
5728 | return 0; | |
9b7b9fcc | 5729 | |
fc01cea9 | 5730 | status = decode_op_hdr(xdr, OP_SEQUENCE); |
e78291e4 BH |
5731 | if (!status) |
5732 | status = decode_sessionid(xdr, &id); | |
5733 | if (unlikely(status)) | |
fc01cea9 | 5734 | goto out_err; |
9b7b9fcc | 5735 | |
fc01cea9 AA |
5736 | /* |
5737 | * If the server returns different values for sessionID, slotID or | |
5738 | * sequence number, the server is looney tunes. | |
5739 | */ | |
fdcb4577 | 5740 | status = -EREMOTEIO; |
e3725ec0 | 5741 | session = res->sr_slot->table->session; |
fc01cea9 | 5742 | |
e3725ec0 | 5743 | if (memcmp(id.data, session->sess_id.data, |
fc01cea9 AA |
5744 | NFS4_MAX_SESSIONID_LEN)) { |
5745 | dprintk("%s Invalid session id\n", __func__); | |
5746 | goto out_err; | |
5747 | } | |
e78291e4 | 5748 | |
c0eae66e BH |
5749 | p = xdr_inline_decode(xdr, 20); |
5750 | if (unlikely(!p)) | |
5751 | goto out_overflow; | |
e78291e4 | 5752 | |
fc01cea9 | 5753 | /* seqid */ |
6f723f77 | 5754 | dummy = be32_to_cpup(p++); |
dfb4f309 | 5755 | if (dummy != res->sr_slot->seq_nr) { |
fc01cea9 AA |
5756 | dprintk("%s Invalid sequence number\n", __func__); |
5757 | goto out_err; | |
5758 | } | |
5759 | /* slot id */ | |
6f723f77 | 5760 | dummy = be32_to_cpup(p++); |
df2fabff | 5761 | if (dummy != res->sr_slot->slot_nr) { |
fc01cea9 AA |
5762 | dprintk("%s Invalid slot id\n", __func__); |
5763 | goto out_err; | |
5764 | } | |
da0507b7 TM |
5765 | /* highest slot id */ |
5766 | res->sr_highest_slotid = be32_to_cpup(p++); | |
464ee9f9 TM |
5767 | /* target highest slot id */ |
5768 | res->sr_target_highest_slotid = be32_to_cpup(p++); | |
0629e370 AB |
5769 | /* result flags */ |
5770 | res->sr_status_flags = be32_to_cpup(p); | |
fc01cea9 AA |
5771 | status = 0; |
5772 | out_err: | |
5773 | res->sr_status = status; | |
5774 | return status; | |
c0eae66e | 5775 | out_overflow: |
c0eae66e BH |
5776 | status = -EIO; |
5777 | goto out_err; | |
fc01cea9 | 5778 | #else /* CONFIG_NFS_V4_1 */ |
9b7b9fcc | 5779 | return 0; |
fc01cea9 | 5780 | #endif /* CONFIG_NFS_V4_1 */ |
9b7b9fcc AA |
5781 | } |
5782 | ||
b1f69b75 | 5783 | #if defined(CONFIG_NFS_V4_1) |
93b717fd TM |
5784 | static int decode_layout_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) |
5785 | { | |
5786 | stateid->type = NFS4_LAYOUT_STATEID_TYPE; | |
5787 | return decode_stateid(xdr, stateid); | |
5788 | } | |
5789 | ||
b1f69b75 | 5790 | static int decode_getdeviceinfo(struct xdr_stream *xdr, |
4e590803 | 5791 | struct nfs4_getdeviceinfo_res *res) |
b1f69b75 | 5792 | { |
4e590803 | 5793 | struct pnfs_device *pdev = res->pdev; |
b1f69b75 AA |
5794 | __be32 *p; |
5795 | uint32_t len, type; | |
5796 | int status; | |
5797 | ||
5798 | status = decode_op_hdr(xdr, OP_GETDEVICEINFO); | |
5799 | if (status) { | |
5800 | if (status == -ETOOSMALL) { | |
5801 | p = xdr_inline_decode(xdr, 4); | |
5802 | if (unlikely(!p)) | |
eb72f484 | 5803 | return -EIO; |
b1f69b75 AA |
5804 | pdev->mincount = be32_to_cpup(p); |
5805 | dprintk("%s: Min count too small. mincnt = %u\n", | |
5806 | __func__, pdev->mincount); | |
5807 | } | |
5808 | return status; | |
5809 | } | |
5810 | ||
5811 | p = xdr_inline_decode(xdr, 8); | |
5812 | if (unlikely(!p)) | |
eb72f484 | 5813 | return -EIO; |
b1f69b75 AA |
5814 | type = be32_to_cpup(p++); |
5815 | if (type != pdev->layout_type) { | |
5816 | dprintk("%s: layout mismatch req: %u pdev: %u\n", | |
5817 | __func__, pdev->layout_type, type); | |
5818 | return -EINVAL; | |
5819 | } | |
5820 | /* | |
5821 | * Get the length of the opaque device_addr4. xdr_read_pages places | |
5822 | * the opaque device_addr4 in the xdr_buf->pages (pnfs_device->pages) | |
5823 | * and places the remaining xdr data in xdr_buf->tail | |
5824 | */ | |
5825 | pdev->mincount = be32_to_cpup(p); | |
13fe4ba1 | 5826 | if (xdr_read_pages(xdr, pdev->mincount) != pdev->mincount) |
eb72f484 | 5827 | return -EIO; |
b1f69b75 AA |
5828 | |
5829 | /* Parse notification bitmap, verifying that it is zero. */ | |
5830 | p = xdr_inline_decode(xdr, 4); | |
5831 | if (unlikely(!p)) | |
eb72f484 | 5832 | return -EIO; |
b1f69b75 AA |
5833 | len = be32_to_cpup(p); |
5834 | if (len) { | |
ead00597 | 5835 | uint32_t i; |
b1f69b75 AA |
5836 | |
5837 | p = xdr_inline_decode(xdr, 4 * len); | |
5838 | if (unlikely(!p)) | |
eb72f484 | 5839 | return -EIO; |
84c9dee3 | 5840 | |
4e590803 | 5841 | res->notification = be32_to_cpup(p++); |
84c9dee3 CH |
5842 | for (i = 1; i < len; i++) { |
5843 | if (be32_to_cpup(p++)) { | |
5844 | dprintk("%s: unsupported notification\n", | |
b1f69b75 AA |
5845 | __func__); |
5846 | return -EIO; | |
5847 | } | |
5848 | } | |
5849 | } | |
5850 | return 0; | |
b1f69b75 AA |
5851 | } |
5852 | ||
5853 | static int decode_layoutget(struct xdr_stream *xdr, struct rpc_rqst *req, | |
5854 | struct nfs4_layoutget_res *res) | |
5855 | { | |
5856 | __be32 *p; | |
5857 | int status; | |
5858 | u32 layout_count; | |
64bd577e | 5859 | u32 recvd; |
b1f69b75 AA |
5860 | |
5861 | status = decode_op_hdr(xdr, OP_LAYOUTGET); | |
5862 | if (status) | |
808ba32a | 5863 | goto out; |
ea9d23f5 TM |
5864 | p = xdr_inline_decode(xdr, 4); |
5865 | if (unlikely(!p)) | |
5866 | goto out_overflow; | |
5867 | res->return_on_close = be32_to_cpup(p); | |
93b717fd | 5868 | decode_layout_stateid(xdr, &res->stateid); |
ea9d23f5 | 5869 | p = xdr_inline_decode(xdr, 4); |
b1f69b75 AA |
5870 | if (unlikely(!p)) |
5871 | goto out_overflow; | |
b1f69b75 AA |
5872 | layout_count = be32_to_cpup(p); |
5873 | if (!layout_count) { | |
5874 | dprintk("%s: server responded with empty layout array\n", | |
5875 | __func__); | |
808ba32a FI |
5876 | status = -EINVAL; |
5877 | goto out; | |
b1f69b75 AA |
5878 | } |
5879 | ||
35124a09 | 5880 | p = xdr_inline_decode(xdr, 28); |
b1f69b75 AA |
5881 | if (unlikely(!p)) |
5882 | goto out_overflow; | |
5883 | p = xdr_decode_hyper(p, &res->range.offset); | |
5884 | p = xdr_decode_hyper(p, &res->range.length); | |
5885 | res->range.iomode = be32_to_cpup(p++); | |
5886 | res->type = be32_to_cpup(p++); | |
35124a09 | 5887 | res->layoutp->len = be32_to_cpup(p); |
b1f69b75 AA |
5888 | |
5889 | dprintk("%s roff:%lu rlen:%lu riomode:%d, lo_type:0x%x, lo.len:%d\n", | |
5890 | __func__, | |
5891 | (unsigned long)res->range.offset, | |
5892 | (unsigned long)res->range.length, | |
5893 | res->range.iomode, | |
5894 | res->type, | |
35124a09 WAA |
5895 | res->layoutp->len); |
5896 | ||
64bd577e | 5897 | recvd = xdr_read_pages(xdr, res->layoutp->len); |
35124a09 WAA |
5898 | if (res->layoutp->len > recvd) { |
5899 | dprintk("NFS: server cheating in layoutget reply: " | |
5900 | "layout len %u > recvd %u\n", | |
5901 | res->layoutp->len, recvd); | |
808ba32a FI |
5902 | status = -EINVAL; |
5903 | goto out; | |
35124a09 | 5904 | } |
b1f69b75 | 5905 | |
b1f69b75 AA |
5906 | if (layout_count > 1) { |
5907 | /* We only handle a length one array at the moment. Any | |
5908 | * further entries are just ignored. Note that this means | |
5909 | * the client may see a response that is less than the | |
5910 | * minimum it requested. | |
5911 | */ | |
5912 | dprintk("%s: server responded with %d layouts, dropping tail\n", | |
5913 | __func__, layout_count); | |
5914 | } | |
5915 | ||
808ba32a FI |
5916 | out: |
5917 | res->status = status; | |
5918 | return status; | |
b1f69b75 | 5919 | out_overflow: |
808ba32a FI |
5920 | status = -EIO; |
5921 | goto out; | |
b1f69b75 | 5922 | } |
863a3c6c | 5923 | |
cbe82603 BH |
5924 | static int decode_layoutreturn(struct xdr_stream *xdr, |
5925 | struct nfs4_layoutreturn_res *res) | |
5926 | { | |
5927 | __be32 *p; | |
5928 | int status; | |
5929 | ||
5930 | status = decode_op_hdr(xdr, OP_LAYOUTRETURN); | |
5931 | if (status) | |
5932 | return status; | |
5933 | p = xdr_inline_decode(xdr, 4); | |
5934 | if (unlikely(!p)) | |
eb72f484 | 5935 | return -EIO; |
cbe82603 BH |
5936 | res->lrs_present = be32_to_cpup(p); |
5937 | if (res->lrs_present) | |
93b717fd | 5938 | status = decode_layout_stateid(xdr, &res->stateid); |
fcd8843c TM |
5939 | else |
5940 | nfs4_stateid_copy(&res->stateid, &invalid_stateid); | |
cbe82603 | 5941 | return status; |
cbe82603 BH |
5942 | } |
5943 | ||
863a3c6c AA |
5944 | static int decode_layoutcommit(struct xdr_stream *xdr, |
5945 | struct rpc_rqst *req, | |
5946 | struct nfs4_layoutcommit_res *res) | |
5947 | { | |
5948 | __be32 *p; | |
5949 | __u32 sizechanged; | |
5950 | int status; | |
5951 | ||
5952 | status = decode_op_hdr(xdr, OP_LAYOUTCOMMIT); | |
db29c089 | 5953 | res->status = status; |
863a3c6c AA |
5954 | if (status) |
5955 | return status; | |
5956 | ||
5957 | p = xdr_inline_decode(xdr, 4); | |
5958 | if (unlikely(!p)) | |
eb72f484 | 5959 | return -EIO; |
863a3c6c AA |
5960 | sizechanged = be32_to_cpup(p); |
5961 | ||
5962 | if (sizechanged) { | |
5963 | /* throw away new size */ | |
5964 | p = xdr_inline_decode(xdr, 8); | |
5965 | if (unlikely(!p)) | |
eb72f484 | 5966 | return -EIO; |
863a3c6c AA |
5967 | } |
5968 | return 0; | |
863a3c6c | 5969 | } |
7d974794 BS |
5970 | |
5971 | static int decode_test_stateid(struct xdr_stream *xdr, | |
5972 | struct nfs41_test_stateid_res *res) | |
5973 | { | |
5974 | __be32 *p; | |
5975 | int status; | |
5976 | int num_res; | |
5977 | ||
5978 | status = decode_op_hdr(xdr, OP_TEST_STATEID); | |
5979 | if (status) | |
5980 | return status; | |
5981 | ||
5982 | p = xdr_inline_decode(xdr, 4); | |
5983 | if (unlikely(!p)) | |
eb72f484 | 5984 | return -EIO; |
7d974794 BS |
5985 | num_res = be32_to_cpup(p++); |
5986 | if (num_res != 1) | |
eb72f484 | 5987 | return -EIO; |
7d974794 BS |
5988 | |
5989 | p = xdr_inline_decode(xdr, 4); | |
5990 | if (unlikely(!p)) | |
eb72f484 | 5991 | return -EIO; |
7d974794 | 5992 | res->status = be32_to_cpup(p++); |
1cab0652 BS |
5993 | |
5994 | return status; | |
7d974794 | 5995 | } |
9aeda35f BS |
5996 | |
5997 | static int decode_free_stateid(struct xdr_stream *xdr, | |
5998 | struct nfs41_free_stateid_res *res) | |
5999 | { | |
9f79fb48 | 6000 | res->status = decode_op_hdr(xdr, OP_FREE_STATEID); |
9aeda35f | 6001 | return res->status; |
9aeda35f | 6002 | } |
cf805165 TM |
6003 | #else |
6004 | static inline | |
6005 | int decode_layoutreturn(struct xdr_stream *xdr, | |
6006 | struct nfs4_layoutreturn_res *res) | |
6007 | { | |
6008 | return 0; | |
6009 | } | |
56f487f8 FI |
6010 | |
6011 | static int decode_layoutget(struct xdr_stream *xdr, struct rpc_rqst *req, | |
6012 | struct nfs4_layoutget_res *res) | |
6013 | { | |
6014 | return 0; | |
6015 | } | |
6016 | ||
b1f69b75 AA |
6017 | #endif /* CONFIG_NFS_V4_1 */ |
6018 | ||
49c2559e BH |
6019 | /* |
6020 | * END OF "GENERIC" DECODE ROUTINES. | |
6021 | */ | |
6022 | ||
1da177e4 LT |
6023 | /* |
6024 | * Decode OPEN_DOWNGRADE response | |
6025 | */ | |
bf269551 CL |
6026 | static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst *rqstp, |
6027 | struct xdr_stream *xdr, | |
fc016483 | 6028 | void *data) |
1da177e4 | 6029 | { |
fc016483 | 6030 | struct nfs_closeres *res = data; |
05d564fe AA |
6031 | struct compound_hdr hdr; |
6032 | int status; | |
6033 | ||
bf269551 | 6034 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6035 | if (status) |
6036 | goto out; | |
bf269551 | 6037 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6038 | if (status) |
6039 | goto out; | |
bf269551 | 6040 | status = decode_putfh(xdr); |
05d564fe AA |
6041 | if (status) |
6042 | goto out; | |
b6808145 TM |
6043 | if (res->lr_res) { |
6044 | status = decode_layoutreturn(xdr, res->lr_res); | |
6045 | res->lr_ret = status; | |
6046 | if (status) | |
6047 | goto out; | |
6048 | } | |
bf269551 | 6049 | status = decode_open_downgrade(xdr, res); |
1da177e4 | 6050 | out: |
05d564fe | 6051 | return status; |
1da177e4 LT |
6052 | } |
6053 | ||
1da177e4 LT |
6054 | /* |
6055 | * Decode ACCESS response | |
6056 | */ | |
bf269551 | 6057 | static int nfs4_xdr_dec_access(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
fc016483 | 6058 | void *data) |
1da177e4 | 6059 | { |
fc016483 | 6060 | struct nfs4_accessres *res = data; |
1da177e4 LT |
6061 | struct compound_hdr hdr; |
6062 | int status; | |
6c0195a4 | 6063 | |
bf269551 | 6064 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6065 | if (status) |
6066 | goto out; | |
bf269551 | 6067 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6068 | if (status) |
1da177e4 | 6069 | goto out; |
bf269551 | 6070 | status = decode_putfh(xdr); |
76b32999 TM |
6071 | if (status != 0) |
6072 | goto out; | |
6168f62c | 6073 | status = decode_access(xdr, &res->supported, &res->access); |
76b32999 TM |
6074 | if (status != 0) |
6075 | goto out; | |
8bcbe7d9 TM |
6076 | if (res->fattr) |
6077 | decode_getfattr(xdr, res->fattr, res->server); | |
1da177e4 LT |
6078 | out: |
6079 | return status; | |
6080 | } | |
6081 | ||
6082 | /* | |
6083 | * Decode LOOKUP response | |
6084 | */ | |
bf269551 | 6085 | static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
fc016483 | 6086 | void *data) |
1da177e4 | 6087 | { |
fc016483 | 6088 | struct nfs4_lookup_res *res = data; |
1da177e4 LT |
6089 | struct compound_hdr hdr; |
6090 | int status; | |
6c0195a4 | 6091 | |
bf269551 | 6092 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6093 | if (status) |
6094 | goto out; | |
bf269551 | 6095 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6096 | if (status) |
1da177e4 | 6097 | goto out; |
bf269551 CL |
6098 | status = decode_putfh(xdr); |
6099 | if (status) | |
1da177e4 | 6100 | goto out; |
bf269551 CL |
6101 | status = decode_lookup(xdr); |
6102 | if (status) | |
1da177e4 | 6103 | goto out; |
bf269551 CL |
6104 | status = decode_getfh(xdr, res->fh); |
6105 | if (status) | |
1da177e4 | 6106 | goto out; |
aa9c2669 | 6107 | status = decode_getfattr_label(xdr, res->fattr, res->label, res->server); |
1da177e4 LT |
6108 | out: |
6109 | return status; | |
6110 | } | |
6111 | ||
5b5faaf6 JL |
6112 | /* |
6113 | * Decode LOOKUPP response | |
6114 | */ | |
6115 | static int nfs4_xdr_dec_lookupp(struct rpc_rqst *rqstp, struct xdr_stream *xdr, | |
6116 | void *data) | |
6117 | { | |
6118 | struct nfs4_lookupp_res *res = data; | |
6119 | struct compound_hdr hdr; | |
6120 | int status; | |
6121 | ||
6122 | status = decode_compound_hdr(xdr, &hdr); | |
6123 | if (status) | |
6124 | goto out; | |
6125 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6126 | if (status) | |
6127 | goto out; | |
6128 | status = decode_putfh(xdr); | |
6129 | if (status) | |
6130 | goto out; | |
6131 | status = decode_lookupp(xdr); | |
6132 | if (status) | |
6133 | goto out; | |
6134 | status = decode_getfh(xdr, res->fh); | |
6135 | if (status) | |
6136 | goto out; | |
6137 | status = decode_getfattr_label(xdr, res->fattr, res->label, res->server); | |
6138 | out: | |
6139 | return status; | |
6140 | } | |
6141 | ||
1da177e4 LT |
6142 | /* |
6143 | * Decode LOOKUP_ROOT response | |
6144 | */ | |
bf269551 CL |
6145 | static int nfs4_xdr_dec_lookup_root(struct rpc_rqst *rqstp, |
6146 | struct xdr_stream *xdr, | |
fc016483 | 6147 | void *data) |
1da177e4 | 6148 | { |
fc016483 | 6149 | struct nfs4_lookup_res *res = data; |
1da177e4 LT |
6150 | struct compound_hdr hdr; |
6151 | int status; | |
6c0195a4 | 6152 | |
bf269551 | 6153 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6154 | if (status) |
6155 | goto out; | |
bf269551 | 6156 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6157 | if (status) |
1da177e4 | 6158 | goto out; |
bf269551 CL |
6159 | status = decode_putrootfh(xdr); |
6160 | if (status) | |
1da177e4 | 6161 | goto out; |
bf269551 CL |
6162 | status = decode_getfh(xdr, res->fh); |
6163 | if (status == 0) | |
aa9c2669 DQ |
6164 | status = decode_getfattr_label(xdr, res->fattr, |
6165 | res->label, res->server); | |
1da177e4 LT |
6166 | out: |
6167 | return status; | |
6168 | } | |
6169 | ||
6170 | /* | |
6171 | * Decode REMOVE response | |
6172 | */ | |
bf269551 | 6173 | static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
fc016483 | 6174 | void *data) |
1da177e4 | 6175 | { |
fc016483 | 6176 | struct nfs_removeres *res = data; |
1da177e4 LT |
6177 | struct compound_hdr hdr; |
6178 | int status; | |
6c0195a4 | 6179 | |
bf269551 | 6180 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6181 | if (status) |
6182 | goto out; | |
bf269551 | 6183 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6184 | if (status) |
1da177e4 | 6185 | goto out; |
bf269551 CL |
6186 | status = decode_putfh(xdr); |
6187 | if (status) | |
16e42959 | 6188 | goto out; |
bf269551 | 6189 | status = decode_remove(xdr, &res->cinfo); |
1da177e4 LT |
6190 | out: |
6191 | return status; | |
6192 | } | |
6193 | ||
6194 | /* | |
6195 | * Decode RENAME response | |
6196 | */ | |
bf269551 | 6197 | static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
fc016483 | 6198 | void *data) |
1da177e4 | 6199 | { |
fc016483 | 6200 | struct nfs_renameres *res = data; |
1da177e4 LT |
6201 | struct compound_hdr hdr; |
6202 | int status; | |
6c0195a4 | 6203 | |
bf269551 | 6204 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6205 | if (status) |
6206 | goto out; | |
bf269551 | 6207 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6208 | if (status) |
1da177e4 | 6209 | goto out; |
bf269551 CL |
6210 | status = decode_putfh(xdr); |
6211 | if (status) | |
1da177e4 | 6212 | goto out; |
bf269551 CL |
6213 | status = decode_savefh(xdr); |
6214 | if (status) | |
1da177e4 | 6215 | goto out; |
bf269551 CL |
6216 | status = decode_putfh(xdr); |
6217 | if (status) | |
1da177e4 | 6218 | goto out; |
bf269551 | 6219 | status = decode_rename(xdr, &res->old_cinfo, &res->new_cinfo); |
1da177e4 LT |
6220 | out: |
6221 | return status; | |
6222 | } | |
6223 | ||
6224 | /* | |
6225 | * Decode LINK response | |
6226 | */ | |
bf269551 | 6227 | static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
fc016483 | 6228 | void *data) |
1da177e4 | 6229 | { |
fc016483 | 6230 | struct nfs4_link_res *res = data; |
1da177e4 LT |
6231 | struct compound_hdr hdr; |
6232 | int status; | |
6c0195a4 | 6233 | |
bf269551 | 6234 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6235 | if (status) |
6236 | goto out; | |
bf269551 | 6237 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6238 | if (status) |
1da177e4 | 6239 | goto out; |
bf269551 CL |
6240 | status = decode_putfh(xdr); |
6241 | if (status) | |
1da177e4 | 6242 | goto out; |
bf269551 CL |
6243 | status = decode_savefh(xdr); |
6244 | if (status) | |
1da177e4 | 6245 | goto out; |
bf269551 CL |
6246 | status = decode_putfh(xdr); |
6247 | if (status) | |
1da177e4 | 6248 | goto out; |
bf269551 CL |
6249 | status = decode_link(xdr, &res->cinfo); |
6250 | if (status) | |
91ba2eee TM |
6251 | goto out; |
6252 | /* | |
6253 | * Note order: OP_LINK leaves the directory as the current | |
6254 | * filehandle. | |
6255 | */ | |
bf269551 CL |
6256 | status = decode_restorefh(xdr); |
6257 | if (status) | |
91ba2eee | 6258 | goto out; |
aa9c2669 | 6259 | decode_getfattr_label(xdr, res->fattr, res->label, res->server); |
1da177e4 LT |
6260 | out: |
6261 | return status; | |
6262 | } | |
6263 | ||
6264 | /* | |
6265 | * Decode CREATE response | |
6266 | */ | |
bf269551 | 6267 | static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
fc016483 | 6268 | void *data) |
1da177e4 | 6269 | { |
fc016483 | 6270 | struct nfs4_create_res *res = data; |
1da177e4 LT |
6271 | struct compound_hdr hdr; |
6272 | int status; | |
6c0195a4 | 6273 | |
bf269551 | 6274 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6275 | if (status) |
6276 | goto out; | |
bf269551 | 6277 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6278 | if (status) |
1da177e4 | 6279 | goto out; |
bf269551 | 6280 | status = decode_putfh(xdr); |
bf269551 | 6281 | if (status) |
56ae19f3 | 6282 | goto out; |
bf269551 CL |
6283 | status = decode_create(xdr, &res->dir_cinfo); |
6284 | if (status) | |
1da177e4 | 6285 | goto out; |
bf269551 CL |
6286 | status = decode_getfh(xdr, res->fh); |
6287 | if (status) | |
1da177e4 | 6288 | goto out; |
aa9c2669 | 6289 | decode_getfattr_label(xdr, res->fattr, res->label, res->server); |
1da177e4 LT |
6290 | out: |
6291 | return status; | |
6292 | } | |
6293 | ||
6294 | /* | |
6295 | * Decode SYMLINK response | |
6296 | */ | |
bf269551 | 6297 | static int nfs4_xdr_dec_symlink(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
fc016483 | 6298 | void *res) |
1da177e4 | 6299 | { |
bf269551 | 6300 | return nfs4_xdr_dec_create(rqstp, xdr, res); |
1da177e4 LT |
6301 | } |
6302 | ||
6303 | /* | |
6304 | * Decode GETATTR response | |
6305 | */ | |
bf269551 | 6306 | static int nfs4_xdr_dec_getattr(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
fc016483 | 6307 | void *data) |
1da177e4 | 6308 | { |
fc016483 | 6309 | struct nfs4_getattr_res *res = data; |
1da177e4 LT |
6310 | struct compound_hdr hdr; |
6311 | int status; | |
6c0195a4 | 6312 | |
bf269551 | 6313 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6314 | if (status) |
6315 | goto out; | |
bf269551 | 6316 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6317 | if (status) |
6318 | goto out; | |
bf269551 | 6319 | status = decode_putfh(xdr); |
1da177e4 LT |
6320 | if (status) |
6321 | goto out; | |
aa9c2669 | 6322 | status = decode_getfattr_label(xdr, res->fattr, res->label, res->server); |
1da177e4 LT |
6323 | out: |
6324 | return status; | |
1da177e4 LT |
6325 | } |
6326 | ||
23ec6965 BF |
6327 | /* |
6328 | * Encode an SETACL request | |
6329 | */ | |
9f06c719 | 6330 | static void nfs4_xdr_enc_setacl(struct rpc_rqst *req, struct xdr_stream *xdr, |
fcc85819 | 6331 | const void *data) |
23ec6965 | 6332 | { |
fcc85819 | 6333 | const struct nfs_setaclargs *args = data; |
05d564fe | 6334 | struct compound_hdr hdr = { |
66cc0429 | 6335 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 6336 | }; |
05d564fe | 6337 | |
9f06c719 CL |
6338 | encode_compound_hdr(xdr, req, &hdr); |
6339 | encode_sequence(xdr, &args->seq_args, &hdr); | |
6340 | encode_putfh(xdr, args->fh, &hdr); | |
6341 | encode_setacl(xdr, args, &hdr); | |
d017931c | 6342 | encode_nops(&hdr); |
23ec6965 | 6343 | } |
05d564fe | 6344 | |
23ec6965 BF |
6345 | /* |
6346 | * Decode SETACL response | |
6347 | */ | |
6348 | static int | |
bf269551 | 6349 | nfs4_xdr_dec_setacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
fc016483 | 6350 | void *data) |
23ec6965 | 6351 | { |
fc016483 | 6352 | struct nfs_setaclres *res = data; |
23ec6965 BF |
6353 | struct compound_hdr hdr; |
6354 | int status; | |
6355 | ||
bf269551 | 6356 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6357 | if (status) |
6358 | goto out; | |
bf269551 | 6359 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
23ec6965 BF |
6360 | if (status) |
6361 | goto out; | |
bf269551 | 6362 | status = decode_putfh(xdr); |
23ec6965 BF |
6363 | if (status) |
6364 | goto out; | |
bf269551 | 6365 | status = decode_setattr(xdr); |
23ec6965 BF |
6366 | out: |
6367 | return status; | |
6368 | } | |
1da177e4 | 6369 | |
029d105e BF |
6370 | /* |
6371 | * Decode GETACL response | |
6372 | */ | |
6373 | static int | |
bf269551 | 6374 | nfs4_xdr_dec_getacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
fc016483 | 6375 | void *data) |
029d105e | 6376 | { |
fc016483 | 6377 | struct nfs_getaclres *res = data; |
029d105e BF |
6378 | struct compound_hdr hdr; |
6379 | int status; | |
6380 | ||
331818f1 TM |
6381 | if (res->acl_scratch != NULL) { |
6382 | void *p = page_address(res->acl_scratch); | |
6383 | xdr_set_scratch_buffer(xdr, p, PAGE_SIZE); | |
6384 | } | |
bf269551 | 6385 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6386 | if (status) |
6387 | goto out; | |
bf269551 | 6388 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
029d105e BF |
6389 | if (status) |
6390 | goto out; | |
bf269551 | 6391 | status = decode_putfh(xdr); |
029d105e BF |
6392 | if (status) |
6393 | goto out; | |
bf118a34 | 6394 | status = decode_getacl(xdr, rqstp, res); |
029d105e BF |
6395 | |
6396 | out: | |
6397 | return status; | |
6398 | } | |
6399 | ||
1da177e4 LT |
6400 | /* |
6401 | * Decode CLOSE response | |
6402 | */ | |
bf269551 | 6403 | static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
fc016483 | 6404 | void *data) |
1da177e4 | 6405 | { |
fc016483 | 6406 | struct nfs_closeres *res = data; |
05d564fe AA |
6407 | struct compound_hdr hdr; |
6408 | int status; | |
6409 | ||
bf269551 | 6410 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6411 | if (status) |
6412 | goto out; | |
bf269551 | 6413 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6414 | if (status) |
6415 | goto out; | |
bf269551 | 6416 | status = decode_putfh(xdr); |
05d564fe AA |
6417 | if (status) |
6418 | goto out; | |
cf805165 TM |
6419 | if (res->lr_res) { |
6420 | status = decode_layoutreturn(xdr, res->lr_res); | |
6421 | res->lr_ret = status; | |
6422 | if (status) | |
6423 | goto out; | |
6424 | } | |
d8d84983 TM |
6425 | if (res->fattr != NULL) { |
6426 | status = decode_getfattr(xdr, res->fattr, res->server); | |
6427 | if (status != 0) | |
6428 | goto out; | |
6429 | } | |
bf269551 | 6430 | status = decode_close(xdr, res); |
1da177e4 | 6431 | out: |
05d564fe | 6432 | return status; |
1da177e4 LT |
6433 | } |
6434 | ||
6435 | /* | |
6436 | * Decode OPEN response | |
6437 | */ | |
bf269551 | 6438 | static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
fc016483 | 6439 | void *data) |
1da177e4 | 6440 | { |
fc016483 | 6441 | struct nfs_openres *res = data; |
05d564fe AA |
6442 | struct compound_hdr hdr; |
6443 | int status; | |
6444 | ||
bf269551 | 6445 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6446 | if (status) |
6447 | goto out; | |
bf269551 | 6448 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6449 | if (status) |
6450 | goto out; | |
bf269551 | 6451 | status = decode_putfh(xdr); |
05d564fe AA |
6452 | if (status) |
6453 | goto out; | |
bf269551 | 6454 | status = decode_open(xdr, res); |
56ae19f3 TM |
6455 | if (status) |
6456 | goto out; | |
01913b49 WAA |
6457 | status = decode_getfh(xdr, &res->fh); |
6458 | if (status) | |
1da177e4 | 6459 | goto out; |
ae2bb032 WAA |
6460 | if (res->access_request) |
6461 | decode_access(xdr, &res->access_supported, &res->access_result); | |
aa9c2669 | 6462 | decode_getfattr_label(xdr, res->f_attr, res->f_label, res->server); |
56f487f8 FI |
6463 | if (res->lg_res) |
6464 | decode_layoutget(xdr, rqstp, res->lg_res); | |
1da177e4 | 6465 | out: |
05d564fe | 6466 | return status; |
1da177e4 LT |
6467 | } |
6468 | ||
6469 | /* | |
6470 | * Decode OPEN_CONFIRM response | |
6471 | */ | |
bf269551 CL |
6472 | static int nfs4_xdr_dec_open_confirm(struct rpc_rqst *rqstp, |
6473 | struct xdr_stream *xdr, | |
fc016483 | 6474 | void *data) |
1da177e4 | 6475 | { |
fc016483 | 6476 | struct nfs_open_confirmres *res = data; |
05d564fe AA |
6477 | struct compound_hdr hdr; |
6478 | int status; | |
6479 | ||
bf269551 | 6480 | status = decode_compound_hdr(xdr, &hdr); |
05d564fe AA |
6481 | if (status) |
6482 | goto out; | |
bf269551 | 6483 | status = decode_putfh(xdr); |
05d564fe AA |
6484 | if (status) |
6485 | goto out; | |
bf269551 | 6486 | status = decode_open_confirm(xdr, res); |
1da177e4 | 6487 | out: |
05d564fe | 6488 | return status; |
1da177e4 LT |
6489 | } |
6490 | ||
6491 | /* | |
6492 | * Decode OPEN response | |
6493 | */ | |
bf269551 CL |
6494 | static int nfs4_xdr_dec_open_noattr(struct rpc_rqst *rqstp, |
6495 | struct xdr_stream *xdr, | |
fc016483 | 6496 | void *data) |
1da177e4 | 6497 | { |
fc016483 | 6498 | struct nfs_openres *res = data; |
05d564fe AA |
6499 | struct compound_hdr hdr; |
6500 | int status; | |
6501 | ||
bf269551 | 6502 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6503 | if (status) |
6504 | goto out; | |
bf269551 | 6505 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6506 | if (status) |
6507 | goto out; | |
bf269551 | 6508 | status = decode_putfh(xdr); |
05d564fe AA |
6509 | if (status) |
6510 | goto out; | |
bf269551 | 6511 | status = decode_open(xdr, res); |
05d564fe AA |
6512 | if (status) |
6513 | goto out; | |
ae2bb032 WAA |
6514 | if (res->access_request) |
6515 | decode_access(xdr, &res->access_supported, &res->access_result); | |
6926afd1 | 6516 | decode_getfattr(xdr, res->f_attr, res->server); |
56f487f8 FI |
6517 | if (res->lg_res) |
6518 | decode_layoutget(xdr, rqstp, res->lg_res); | |
1da177e4 | 6519 | out: |
05d564fe | 6520 | return status; |
1da177e4 LT |
6521 | } |
6522 | ||
6523 | /* | |
6524 | * Decode SETATTR response | |
6525 | */ | |
bf269551 CL |
6526 | static int nfs4_xdr_dec_setattr(struct rpc_rqst *rqstp, |
6527 | struct xdr_stream *xdr, | |
fc016483 | 6528 | void *data) |
1da177e4 | 6529 | { |
fc016483 | 6530 | struct nfs_setattrres *res = data; |
05d564fe AA |
6531 | struct compound_hdr hdr; |
6532 | int status; | |
6533 | ||
bf269551 | 6534 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6535 | if (status) |
6536 | goto out; | |
bf269551 | 6537 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6538 | if (status) |
6539 | goto out; | |
bf269551 | 6540 | status = decode_putfh(xdr); |
05d564fe AA |
6541 | if (status) |
6542 | goto out; | |
bf269551 | 6543 | status = decode_setattr(xdr); |
05d564fe AA |
6544 | if (status) |
6545 | goto out; | |
aa9c2669 | 6546 | decode_getfattr_label(xdr, res->fattr, res->label, res->server); |
1da177e4 | 6547 | out: |
05d564fe | 6548 | return status; |
1da177e4 LT |
6549 | } |
6550 | ||
6551 | /* | |
6552 | * Decode LOCK response | |
6553 | */ | |
bf269551 | 6554 | static int nfs4_xdr_dec_lock(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
fc016483 | 6555 | void *data) |
1da177e4 | 6556 | { |
fc016483 | 6557 | struct nfs_lock_res *res = data; |
1da177e4 LT |
6558 | struct compound_hdr hdr; |
6559 | int status; | |
6560 | ||
bf269551 | 6561 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6562 | if (status) |
6563 | goto out; | |
bf269551 | 6564 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6565 | if (status) |
6566 | goto out; | |
bf269551 | 6567 | status = decode_putfh(xdr); |
1da177e4 LT |
6568 | if (status) |
6569 | goto out; | |
bf269551 | 6570 | status = decode_lock(xdr, res); |
1da177e4 LT |
6571 | out: |
6572 | return status; | |
6573 | } | |
6574 | ||
6575 | /* | |
6576 | * Decode LOCKT response | |
6577 | */ | |
bf269551 | 6578 | static int nfs4_xdr_dec_lockt(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
fc016483 | 6579 | void *data) |
1da177e4 | 6580 | { |
fc016483 | 6581 | struct nfs_lockt_res *res = data; |
1da177e4 LT |
6582 | struct compound_hdr hdr; |
6583 | int status; | |
6584 | ||
bf269551 | 6585 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6586 | if (status) |
6587 | goto out; | |
bf269551 | 6588 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6589 | if (status) |
6590 | goto out; | |
bf269551 | 6591 | status = decode_putfh(xdr); |
1da177e4 LT |
6592 | if (status) |
6593 | goto out; | |
bf269551 | 6594 | status = decode_lockt(xdr, res); |
1da177e4 LT |
6595 | out: |
6596 | return status; | |
6597 | } | |
6598 | ||
6599 | /* | |
6600 | * Decode LOCKU response | |
6601 | */ | |
bf269551 | 6602 | static int nfs4_xdr_dec_locku(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
fc016483 | 6603 | void *data) |
1da177e4 | 6604 | { |
fc016483 | 6605 | struct nfs_locku_res *res = data; |
1da177e4 LT |
6606 | struct compound_hdr hdr; |
6607 | int status; | |
6608 | ||
bf269551 | 6609 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6610 | if (status) |
6611 | goto out; | |
bf269551 | 6612 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6613 | if (status) |
6614 | goto out; | |
bf269551 | 6615 | status = decode_putfh(xdr); |
1da177e4 LT |
6616 | if (status) |
6617 | goto out; | |
bf269551 | 6618 | status = decode_locku(xdr, res); |
1da177e4 LT |
6619 | out: |
6620 | return status; | |
6621 | } | |
6622 | ||
bf269551 CL |
6623 | static int nfs4_xdr_dec_release_lockowner(struct rpc_rqst *rqstp, |
6624 | struct xdr_stream *xdr, void *dummy) | |
d3c7b7cc | 6625 | { |
d3c7b7cc TM |
6626 | struct compound_hdr hdr; |
6627 | int status; | |
6628 | ||
bf269551 | 6629 | status = decode_compound_hdr(xdr, &hdr); |
d3c7b7cc | 6630 | if (!status) |
bf269551 | 6631 | status = decode_release_lockowner(xdr); |
d3c7b7cc TM |
6632 | return status; |
6633 | } | |
6634 | ||
1da177e4 LT |
6635 | /* |
6636 | * Decode READLINK response | |
6637 | */ | |
bf269551 CL |
6638 | static int nfs4_xdr_dec_readlink(struct rpc_rqst *rqstp, |
6639 | struct xdr_stream *xdr, | |
fc016483 | 6640 | void *data) |
1da177e4 | 6641 | { |
fc016483 | 6642 | struct nfs4_readlink_res *res = data; |
1da177e4 LT |
6643 | struct compound_hdr hdr; |
6644 | int status; | |
6645 | ||
bf269551 | 6646 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6647 | if (status) |
6648 | goto out; | |
bf269551 | 6649 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6650 | if (status) |
6651 | goto out; | |
bf269551 | 6652 | status = decode_putfh(xdr); |
1da177e4 LT |
6653 | if (status) |
6654 | goto out; | |
bf269551 | 6655 | status = decode_readlink(xdr, rqstp); |
1da177e4 LT |
6656 | out: |
6657 | return status; | |
6658 | } | |
6659 | ||
6660 | /* | |
6661 | * Decode READDIR response | |
6662 | */ | |
bf269551 | 6663 | static int nfs4_xdr_dec_readdir(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
fc016483 | 6664 | void *data) |
1da177e4 | 6665 | { |
fc016483 | 6666 | struct nfs4_readdir_res *res = data; |
1da177e4 LT |
6667 | struct compound_hdr hdr; |
6668 | int status; | |
6669 | ||
bf269551 | 6670 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6671 | if (status) |
6672 | goto out; | |
bf269551 | 6673 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6674 | if (status) |
6675 | goto out; | |
bf269551 | 6676 | status = decode_putfh(xdr); |
1da177e4 LT |
6677 | if (status) |
6678 | goto out; | |
bf269551 | 6679 | status = decode_readdir(xdr, rqstp, res); |
1da177e4 LT |
6680 | out: |
6681 | return status; | |
6682 | } | |
6683 | ||
6684 | /* | |
6685 | * Decode Read response | |
6686 | */ | |
bf269551 | 6687 | static int nfs4_xdr_dec_read(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
fc016483 | 6688 | void *data) |
1da177e4 | 6689 | { |
fc016483 | 6690 | struct nfs_pgio_res *res = data; |
1da177e4 LT |
6691 | struct compound_hdr hdr; |
6692 | int status; | |
6693 | ||
bf269551 | 6694 | status = decode_compound_hdr(xdr, &hdr); |
aabff4dd | 6695 | res->op_status = hdr.status; |
9b7b9fcc AA |
6696 | if (status) |
6697 | goto out; | |
bf269551 | 6698 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6699 | if (status) |
6700 | goto out; | |
bf269551 | 6701 | status = decode_putfh(xdr); |
1da177e4 LT |
6702 | if (status) |
6703 | goto out; | |
bf269551 | 6704 | status = decode_read(xdr, rqstp, res); |
1da177e4 LT |
6705 | if (!status) |
6706 | status = res->count; | |
6707 | out: | |
6708 | return status; | |
6709 | } | |
6710 | ||
6711 | /* | |
6712 | * Decode WRITE response | |
6713 | */ | |
bf269551 | 6714 | static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
fc016483 | 6715 | void *data) |
1da177e4 | 6716 | { |
fc016483 | 6717 | struct nfs_pgio_res *res = data; |
1da177e4 LT |
6718 | struct compound_hdr hdr; |
6719 | int status; | |
6720 | ||
bf269551 | 6721 | status = decode_compound_hdr(xdr, &hdr); |
aabff4dd | 6722 | res->op_status = hdr.status; |
9b7b9fcc AA |
6723 | if (status) |
6724 | goto out; | |
bf269551 | 6725 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6726 | if (status) |
6727 | goto out; | |
bf269551 | 6728 | status = decode_putfh(xdr); |
1da177e4 LT |
6729 | if (status) |
6730 | goto out; | |
bf269551 | 6731 | status = decode_write(xdr, res); |
4f9838c7 TM |
6732 | if (status) |
6733 | goto out; | |
7ffd1064 | 6734 | if (res->fattr) |
6926afd1 | 6735 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6736 | if (!status) |
6737 | status = res->count; | |
6738 | out: | |
6739 | return status; | |
6740 | } | |
6741 | ||
6742 | /* | |
6743 | * Decode COMMIT response | |
6744 | */ | |
bf269551 | 6745 | static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
fc016483 | 6746 | void *data) |
1da177e4 | 6747 | { |
fc016483 | 6748 | struct nfs_commitres *res = data; |
1da177e4 LT |
6749 | struct compound_hdr hdr; |
6750 | int status; | |
6751 | ||
bf269551 | 6752 | status = decode_compound_hdr(xdr, &hdr); |
aabff4dd | 6753 | res->op_status = hdr.status; |
9b7b9fcc AA |
6754 | if (status) |
6755 | goto out; | |
bf269551 | 6756 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6757 | if (status) |
6758 | goto out; | |
bf269551 | 6759 | status = decode_putfh(xdr); |
1da177e4 LT |
6760 | if (status) |
6761 | goto out; | |
bf269551 | 6762 | status = decode_commit(xdr, res); |
1da177e4 LT |
6763 | out: |
6764 | return status; | |
6765 | } | |
6766 | ||
6767 | /* | |
8b173218 | 6768 | * Decode FSINFO response |
1da177e4 | 6769 | */ |
bf269551 | 6770 | static int nfs4_xdr_dec_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, |
fc016483 | 6771 | void *data) |
1da177e4 | 6772 | { |
fc016483 | 6773 | struct nfs4_fsinfo_res *res = data; |
1da177e4 LT |
6774 | struct compound_hdr hdr; |
6775 | int status; | |
6776 | ||
bf269551 | 6777 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6778 | if (!status) |
bf269551 | 6779 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6780 | if (!status) |
bf269551 | 6781 | status = decode_putfh(xdr); |
1da177e4 | 6782 | if (!status) |
bf269551 | 6783 | status = decode_fsinfo(xdr, res->fsinfo); |
1da177e4 LT |
6784 | return status; |
6785 | } | |
6786 | ||
6787 | /* | |
8b173218 | 6788 | * Decode PATHCONF response |
1da177e4 | 6789 | */ |
bf269551 | 6790 | static int nfs4_xdr_dec_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, |
fc016483 | 6791 | void *data) |
1da177e4 | 6792 | { |
fc016483 | 6793 | struct nfs4_pathconf_res *res = data; |
1da177e4 LT |
6794 | struct compound_hdr hdr; |
6795 | int status; | |
6796 | ||
bf269551 | 6797 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6798 | if (!status) |
bf269551 | 6799 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6800 | if (!status) |
bf269551 | 6801 | status = decode_putfh(xdr); |
1da177e4 | 6802 | if (!status) |
bf269551 | 6803 | status = decode_pathconf(xdr, res->pathconf); |
1da177e4 LT |
6804 | return status; |
6805 | } | |
6806 | ||
6807 | /* | |
8b173218 | 6808 | * Decode STATFS response |
1da177e4 | 6809 | */ |
bf269551 | 6810 | static int nfs4_xdr_dec_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, |
fc016483 | 6811 | void *data) |
1da177e4 | 6812 | { |
fc016483 | 6813 | struct nfs4_statfs_res *res = data; |
1da177e4 LT |
6814 | struct compound_hdr hdr; |
6815 | int status; | |
6816 | ||
bf269551 | 6817 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6818 | if (!status) |
bf269551 | 6819 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6820 | if (!status) |
bf269551 | 6821 | status = decode_putfh(xdr); |
1da177e4 | 6822 | if (!status) |
bf269551 | 6823 | status = decode_statfs(xdr, res->fsstat); |
1da177e4 LT |
6824 | return status; |
6825 | } | |
6826 | ||
6827 | /* | |
8b173218 | 6828 | * Decode GETATTR_BITMAP response |
1da177e4 | 6829 | */ |
bf269551 CL |
6830 | static int nfs4_xdr_dec_server_caps(struct rpc_rqst *req, |
6831 | struct xdr_stream *xdr, | |
fc016483 | 6832 | void *data) |
1da177e4 | 6833 | { |
fc016483 | 6834 | struct nfs4_server_caps_res *res = data; |
1da177e4 LT |
6835 | struct compound_hdr hdr; |
6836 | int status; | |
6837 | ||
bf269551 | 6838 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6839 | if (status) |
6840 | goto out; | |
bf269551 | 6841 | status = decode_sequence(xdr, &res->seq_res, req); |
9b7b9fcc | 6842 | if (status) |
1da177e4 | 6843 | goto out; |
bf269551 CL |
6844 | status = decode_putfh(xdr); |
6845 | if (status) | |
1da177e4 | 6846 | goto out; |
bf269551 | 6847 | status = decode_server_caps(xdr, res); |
1da177e4 LT |
6848 | out: |
6849 | return status; | |
6850 | } | |
6851 | ||
6852 | /* | |
6853 | * Decode RENEW response | |
6854 | */ | |
bf269551 CL |
6855 | static int nfs4_xdr_dec_renew(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6856 | void *__unused) | |
1da177e4 | 6857 | { |
1da177e4 LT |
6858 | struct compound_hdr hdr; |
6859 | int status; | |
6860 | ||
bf269551 | 6861 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6862 | if (!status) |
bf269551 | 6863 | status = decode_renew(xdr); |
1da177e4 LT |
6864 | return status; |
6865 | } | |
6866 | ||
6867 | /* | |
8b173218 | 6868 | * Decode SETCLIENTID response |
1da177e4 | 6869 | */ |
bf269551 CL |
6870 | static int nfs4_xdr_dec_setclientid(struct rpc_rqst *req, |
6871 | struct xdr_stream *xdr, | |
fc016483 | 6872 | void *data) |
1da177e4 | 6873 | { |
fc016483 | 6874 | struct nfs4_setclientid_res *res = data; |
1da177e4 LT |
6875 | struct compound_hdr hdr; |
6876 | int status; | |
6877 | ||
bf269551 | 6878 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6879 | if (!status) |
bf269551 | 6880 | status = decode_setclientid(xdr, res); |
1da177e4 LT |
6881 | return status; |
6882 | } | |
6883 | ||
6884 | /* | |
8b173218 | 6885 | * Decode SETCLIENTID_CONFIRM response |
1da177e4 | 6886 | */ |
bf269551 | 6887 | static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst *req, |
fc016483 CH |
6888 | struct xdr_stream *xdr, |
6889 | void *data) | |
1da177e4 | 6890 | { |
1da177e4 LT |
6891 | struct compound_hdr hdr; |
6892 | int status; | |
6893 | ||
bf269551 | 6894 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6895 | if (!status) |
bf269551 | 6896 | status = decode_setclientid_confirm(xdr); |
1da177e4 LT |
6897 | return status; |
6898 | } | |
6899 | ||
6900 | /* | |
8b173218 | 6901 | * Decode DELEGRETURN response |
1da177e4 | 6902 | */ |
bf269551 CL |
6903 | static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, |
6904 | struct xdr_stream *xdr, | |
fc016483 | 6905 | void *data) |
1da177e4 | 6906 | { |
fc016483 | 6907 | struct nfs4_delegreturnres *res = data; |
1da177e4 LT |
6908 | struct compound_hdr hdr; |
6909 | int status; | |
6910 | ||
bf269551 | 6911 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6912 | if (status) |
6913 | goto out; | |
bf269551 | 6914 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6915 | if (status) |
fa178f29 | 6916 | goto out; |
bf269551 | 6917 | status = decode_putfh(xdr); |
fa178f29 TM |
6918 | if (status != 0) |
6919 | goto out; | |
586f1c39 TM |
6920 | if (res->lr_res) { |
6921 | status = decode_layoutreturn(xdr, res->lr_res); | |
6922 | res->lr_ret = status; | |
6923 | if (status) | |
6924 | goto out; | |
6925 | } | |
8ac2b422 TM |
6926 | if (res->fattr) { |
6927 | status = decode_getfattr(xdr, res->fattr, res->server); | |
6928 | if (status != 0) | |
6929 | goto out; | |
6930 | } | |
e144cbcc | 6931 | status = decode_delegreturn(xdr); |
fa178f29 | 6932 | out: |
1da177e4 LT |
6933 | return status; |
6934 | } | |
6935 | ||
683b57b4 | 6936 | /* |
8b173218 | 6937 | * Decode FS_LOCATIONS response |
683b57b4 | 6938 | */ |
bf269551 CL |
6939 | static int nfs4_xdr_dec_fs_locations(struct rpc_rqst *req, |
6940 | struct xdr_stream *xdr, | |
fc016483 | 6941 | void *data) |
683b57b4 | 6942 | { |
fc016483 | 6943 | struct nfs4_fs_locations_res *res = data; |
683b57b4 TM |
6944 | struct compound_hdr hdr; |
6945 | int status; | |
6946 | ||
bf269551 | 6947 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6948 | if (status) |
6949 | goto out; | |
bf269551 | 6950 | status = decode_sequence(xdr, &res->seq_res, req); |
9b7b9fcc | 6951 | if (status) |
683b57b4 | 6952 | goto out; |
bf269551 CL |
6953 | status = decode_putfh(xdr); |
6954 | if (status) | |
683b57b4 | 6955 | goto out; |
b03d735b CL |
6956 | if (res->migration) { |
6957 | xdr_enter_page(xdr, PAGE_SIZE); | |
6958 | status = decode_getfattr_generic(xdr, | |
6959 | &res->fs_locations->fattr, | |
8b7e3f49 | 6960 | NULL, res->fs_locations, |
aa9c2669 | 6961 | NULL, res->fs_locations->server); |
b03d735b CL |
6962 | if (status) |
6963 | goto out; | |
6964 | if (res->renew) | |
6965 | status = decode_renew(xdr); | |
6966 | } else { | |
6967 | status = decode_lookup(xdr); | |
6968 | if (status) | |
6969 | goto out; | |
6970 | xdr_enter_page(xdr, PAGE_SIZE); | |
6971 | status = decode_getfattr_generic(xdr, | |
6972 | &res->fs_locations->fattr, | |
6973 | NULL, res->fs_locations, | |
6974 | NULL, res->fs_locations->server); | |
6975 | } | |
683b57b4 TM |
6976 | out: |
6977 | return status; | |
6978 | } | |
6979 | ||
5a5ea0d4 BS |
6980 | /* |
6981 | * Decode SECINFO response | |
6982 | */ | |
6983 | static int nfs4_xdr_dec_secinfo(struct rpc_rqst *rqstp, | |
6984 | struct xdr_stream *xdr, | |
fc016483 | 6985 | void *data) |
5a5ea0d4 | 6986 | { |
fc016483 | 6987 | struct nfs4_secinfo_res *res = data; |
5a5ea0d4 BS |
6988 | struct compound_hdr hdr; |
6989 | int status; | |
6990 | ||
6991 | status = decode_compound_hdr(xdr, &hdr); | |
6992 | if (status) | |
6993 | goto out; | |
6994 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6995 | if (status) | |
6996 | goto out; | |
6997 | status = decode_putfh(xdr); | |
6998 | if (status) | |
6999 | goto out; | |
7000 | status = decode_secinfo(xdr, res); | |
5a5ea0d4 BS |
7001 | out: |
7002 | return status; | |
7003 | } | |
7004 | ||
44c99933 CL |
7005 | /* |
7006 | * Decode FSID_PRESENT response | |
7007 | */ | |
7008 | static int nfs4_xdr_dec_fsid_present(struct rpc_rqst *rqstp, | |
7009 | struct xdr_stream *xdr, | |
fc016483 | 7010 | void *data) |
44c99933 | 7011 | { |
fc016483 | 7012 | struct nfs4_fsid_present_res *res = data; |
44c99933 CL |
7013 | struct compound_hdr hdr; |
7014 | int status; | |
7015 | ||
7016 | status = decode_compound_hdr(xdr, &hdr); | |
7017 | if (status) | |
7018 | goto out; | |
7019 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7020 | if (status) | |
7021 | goto out; | |
7022 | status = decode_putfh(xdr); | |
7023 | if (status) | |
7024 | goto out; | |
7025 | status = decode_getfh(xdr, res->fh); | |
7026 | if (status) | |
7027 | goto out; | |
7028 | if (res->renew) | |
7029 | status = decode_renew(xdr); | |
7030 | out: | |
7031 | return status; | |
7032 | } | |
7033 | ||
99fe60d0 | 7034 | #if defined(CONFIG_NFS_V4_1) |
7c44f1ae WAA |
7035 | /* |
7036 | * Decode BIND_CONN_TO_SESSION response | |
7037 | */ | |
7038 | static int nfs4_xdr_dec_bind_conn_to_session(struct rpc_rqst *rqstp, | |
7039 | struct xdr_stream *xdr, | |
7040 | void *res) | |
7041 | { | |
7042 | struct compound_hdr hdr; | |
7043 | int status; | |
7044 | ||
7045 | status = decode_compound_hdr(xdr, &hdr); | |
7046 | if (!status) | |
7047 | status = decode_bind_conn_to_session(xdr, res); | |
7048 | return status; | |
7049 | } | |
7050 | ||
99fe60d0 | 7051 | /* |
8b173218 | 7052 | * Decode EXCHANGE_ID response |
99fe60d0 | 7053 | */ |
bf269551 CL |
7054 | static int nfs4_xdr_dec_exchange_id(struct rpc_rqst *rqstp, |
7055 | struct xdr_stream *xdr, | |
99fe60d0 BH |
7056 | void *res) |
7057 | { | |
99fe60d0 BH |
7058 | struct compound_hdr hdr; |
7059 | int status; | |
7060 | ||
bf269551 | 7061 | status = decode_compound_hdr(xdr, &hdr); |
99fe60d0 | 7062 | if (!status) |
bf269551 | 7063 | status = decode_exchange_id(xdr, res); |
99fe60d0 BH |
7064 | return status; |
7065 | } | |
2050f0cc | 7066 | |
fc931582 | 7067 | /* |
8b173218 | 7068 | * Decode CREATE_SESSION response |
fc931582 | 7069 | */ |
bf269551 CL |
7070 | static int nfs4_xdr_dec_create_session(struct rpc_rqst *rqstp, |
7071 | struct xdr_stream *xdr, | |
fc016483 | 7072 | void *res) |
fc931582 | 7073 | { |
fc931582 AA |
7074 | struct compound_hdr hdr; |
7075 | int status; | |
7076 | ||
bf269551 | 7077 | status = decode_compound_hdr(xdr, &hdr); |
fc931582 | 7078 | if (!status) |
bf269551 | 7079 | status = decode_create_session(xdr, res); |
fc931582 AA |
7080 | return status; |
7081 | } | |
7082 | ||
0f3e66c6 | 7083 | /* |
8b173218 | 7084 | * Decode DESTROY_SESSION response |
0f3e66c6 | 7085 | */ |
bf269551 CL |
7086 | static int nfs4_xdr_dec_destroy_session(struct rpc_rqst *rqstp, |
7087 | struct xdr_stream *xdr, | |
7088 | void *res) | |
0f3e66c6 | 7089 | { |
0f3e66c6 AA |
7090 | struct compound_hdr hdr; |
7091 | int status; | |
7092 | ||
bf269551 | 7093 | status = decode_compound_hdr(xdr, &hdr); |
0f3e66c6 | 7094 | if (!status) |
bf269551 | 7095 | status = decode_destroy_session(xdr, res); |
0f3e66c6 AA |
7096 | return status; |
7097 | } | |
7098 | ||
66245539 TM |
7099 | /* |
7100 | * Decode DESTROY_CLIENTID response | |
7101 | */ | |
7102 | static int nfs4_xdr_dec_destroy_clientid(struct rpc_rqst *rqstp, | |
7103 | struct xdr_stream *xdr, | |
7104 | void *res) | |
7105 | { | |
7106 | struct compound_hdr hdr; | |
7107 | int status; | |
7108 | ||
7109 | status = decode_compound_hdr(xdr, &hdr); | |
7110 | if (!status) | |
7111 | status = decode_destroy_clientid(xdr, res); | |
7112 | return status; | |
7113 | } | |
7114 | ||
fc01cea9 | 7115 | /* |
8b173218 | 7116 | * Decode SEQUENCE response |
fc01cea9 | 7117 | */ |
bf269551 CL |
7118 | static int nfs4_xdr_dec_sequence(struct rpc_rqst *rqstp, |
7119 | struct xdr_stream *xdr, | |
fc016483 | 7120 | void *res) |
fc01cea9 | 7121 | { |
fc01cea9 AA |
7122 | struct compound_hdr hdr; |
7123 | int status; | |
7124 | ||
bf269551 | 7125 | status = decode_compound_hdr(xdr, &hdr); |
fc01cea9 | 7126 | if (!status) |
bf269551 | 7127 | status = decode_sequence(xdr, res, rqstp); |
fc01cea9 AA |
7128 | return status; |
7129 | } | |
7130 | ||
0efb01b2 DB |
7131 | #endif |
7132 | ||
2050f0cc | 7133 | /* |
8b173218 | 7134 | * Decode GET_LEASE_TIME response |
2050f0cc | 7135 | */ |
bf269551 CL |
7136 | static int nfs4_xdr_dec_get_lease_time(struct rpc_rqst *rqstp, |
7137 | struct xdr_stream *xdr, | |
fc016483 | 7138 | void *data) |
2050f0cc | 7139 | { |
fc016483 | 7140 | struct nfs4_get_lease_time_res *res = data; |
2050f0cc AA |
7141 | struct compound_hdr hdr; |
7142 | int status; | |
7143 | ||
bf269551 | 7144 | status = decode_compound_hdr(xdr, &hdr); |
2050f0cc | 7145 | if (!status) |
bf269551 | 7146 | status = decode_sequence(xdr, &res->lr_seq_res, rqstp); |
2050f0cc | 7147 | if (!status) |
bf269551 | 7148 | status = decode_putrootfh(xdr); |
2050f0cc | 7149 | if (!status) |
bf269551 | 7150 | status = decode_fsinfo(xdr, res->lr_fsinfo); |
2050f0cc AA |
7151 | return status; |
7152 | } | |
18019753 | 7153 | |
0efb01b2 DB |
7154 | #ifdef CONFIG_NFS_V4_1 |
7155 | ||
18019753 RL |
7156 | /* |
7157 | * Decode RECLAIM_COMPLETE response | |
7158 | */ | |
bf269551 CL |
7159 | static int nfs4_xdr_dec_reclaim_complete(struct rpc_rqst *rqstp, |
7160 | struct xdr_stream *xdr, | |
fc016483 | 7161 | void *data) |
18019753 | 7162 | { |
fc016483 | 7163 | struct nfs41_reclaim_complete_res *res = data; |
18019753 RL |
7164 | struct compound_hdr hdr; |
7165 | int status; | |
7166 | ||
bf269551 | 7167 | status = decode_compound_hdr(xdr, &hdr); |
18019753 | 7168 | if (!status) |
bf269551 | 7169 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
18019753 | 7170 | if (!status) |
8ee2b78a | 7171 | status = decode_reclaim_complete(xdr, NULL); |
18019753 RL |
7172 | return status; |
7173 | } | |
b1f69b75 AA |
7174 | |
7175 | /* | |
7176 | * Decode GETDEVINFO response | |
7177 | */ | |
bf269551 CL |
7178 | static int nfs4_xdr_dec_getdeviceinfo(struct rpc_rqst *rqstp, |
7179 | struct xdr_stream *xdr, | |
fc016483 | 7180 | void *data) |
b1f69b75 | 7181 | { |
fc016483 | 7182 | struct nfs4_getdeviceinfo_res *res = data; |
b1f69b75 AA |
7183 | struct compound_hdr hdr; |
7184 | int status; | |
7185 | ||
bf269551 | 7186 | status = decode_compound_hdr(xdr, &hdr); |
b1f69b75 AA |
7187 | if (status != 0) |
7188 | goto out; | |
bf269551 | 7189 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
b1f69b75 AA |
7190 | if (status != 0) |
7191 | goto out; | |
4e590803 | 7192 | status = decode_getdeviceinfo(xdr, res); |
b1f69b75 AA |
7193 | out: |
7194 | return status; | |
7195 | } | |
7196 | ||
7197 | /* | |
7198 | * Decode LAYOUTGET response | |
7199 | */ | |
bf269551 CL |
7200 | static int nfs4_xdr_dec_layoutget(struct rpc_rqst *rqstp, |
7201 | struct xdr_stream *xdr, | |
fc016483 | 7202 | void *data) |
b1f69b75 | 7203 | { |
fc016483 | 7204 | struct nfs4_layoutget_res *res = data; |
b1f69b75 AA |
7205 | struct compound_hdr hdr; |
7206 | int status; | |
7207 | ||
bf269551 | 7208 | status = decode_compound_hdr(xdr, &hdr); |
b1f69b75 AA |
7209 | if (status) |
7210 | goto out; | |
bf269551 | 7211 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
b1f69b75 AA |
7212 | if (status) |
7213 | goto out; | |
bf269551 | 7214 | status = decode_putfh(xdr); |
b1f69b75 AA |
7215 | if (status) |
7216 | goto out; | |
bf269551 | 7217 | status = decode_layoutget(xdr, rqstp, res); |
b1f69b75 AA |
7218 | out: |
7219 | return status; | |
7220 | } | |
863a3c6c | 7221 | |
cbe82603 BH |
7222 | /* |
7223 | * Decode LAYOUTRETURN response | |
7224 | */ | |
7225 | static int nfs4_xdr_dec_layoutreturn(struct rpc_rqst *rqstp, | |
7226 | struct xdr_stream *xdr, | |
fc016483 | 7227 | void *data) |
cbe82603 | 7228 | { |
fc016483 | 7229 | struct nfs4_layoutreturn_res *res = data; |
cbe82603 BH |
7230 | struct compound_hdr hdr; |
7231 | int status; | |
7232 | ||
7233 | status = decode_compound_hdr(xdr, &hdr); | |
7234 | if (status) | |
7235 | goto out; | |
7236 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7237 | if (status) | |
7238 | goto out; | |
7239 | status = decode_putfh(xdr); | |
7240 | if (status) | |
7241 | goto out; | |
7242 | status = decode_layoutreturn(xdr, res); | |
7243 | out: | |
7244 | return status; | |
7245 | } | |
7246 | ||
863a3c6c AA |
7247 | /* |
7248 | * Decode LAYOUTCOMMIT response | |
7249 | */ | |
7250 | static int nfs4_xdr_dec_layoutcommit(struct rpc_rqst *rqstp, | |
7251 | struct xdr_stream *xdr, | |
fc016483 | 7252 | void *data) |
863a3c6c | 7253 | { |
fc016483 | 7254 | struct nfs4_layoutcommit_res *res = data; |
863a3c6c AA |
7255 | struct compound_hdr hdr; |
7256 | int status; | |
7257 | ||
7258 | status = decode_compound_hdr(xdr, &hdr); | |
7259 | if (status) | |
7260 | goto out; | |
7261 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7262 | if (status) | |
7263 | goto out; | |
7264 | status = decode_putfh(xdr); | |
7265 | if (status) | |
7266 | goto out; | |
7267 | status = decode_layoutcommit(xdr, rqstp, res); | |
7268 | if (status) | |
7269 | goto out; | |
6926afd1 | 7270 | decode_getfattr(xdr, res->fattr, res->server); |
863a3c6c AA |
7271 | out: |
7272 | return status; | |
7273 | } | |
fca78d6d BS |
7274 | |
7275 | /* | |
7276 | * Decode SECINFO_NO_NAME response | |
7277 | */ | |
7278 | static int nfs4_xdr_dec_secinfo_no_name(struct rpc_rqst *rqstp, | |
7279 | struct xdr_stream *xdr, | |
fc016483 | 7280 | void *data) |
fca78d6d | 7281 | { |
fc016483 | 7282 | struct nfs4_secinfo_res *res = data; |
fca78d6d BS |
7283 | struct compound_hdr hdr; |
7284 | int status; | |
7285 | ||
7286 | status = decode_compound_hdr(xdr, &hdr); | |
7287 | if (status) | |
7288 | goto out; | |
7289 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7290 | if (status) | |
7291 | goto out; | |
7292 | status = decode_putrootfh(xdr); | |
7293 | if (status) | |
7294 | goto out; | |
31e4dda4 | 7295 | status = decode_secinfo_no_name(xdr, res); |
fca78d6d BS |
7296 | out: |
7297 | return status; | |
7298 | } | |
7d974794 BS |
7299 | |
7300 | /* | |
7301 | * Decode TEST_STATEID response | |
7302 | */ | |
7303 | static int nfs4_xdr_dec_test_stateid(struct rpc_rqst *rqstp, | |
7304 | struct xdr_stream *xdr, | |
fc016483 | 7305 | void *data) |
7d974794 | 7306 | { |
fc016483 | 7307 | struct nfs41_test_stateid_res *res = data; |
7d974794 BS |
7308 | struct compound_hdr hdr; |
7309 | int status; | |
7310 | ||
7311 | status = decode_compound_hdr(xdr, &hdr); | |
7312 | if (status) | |
7313 | goto out; | |
7314 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7315 | if (status) | |
7316 | goto out; | |
7317 | status = decode_test_stateid(xdr, res); | |
7318 | out: | |
7319 | return status; | |
7320 | } | |
9aeda35f BS |
7321 | |
7322 | /* | |
7323 | * Decode FREE_STATEID response | |
7324 | */ | |
7325 | static int nfs4_xdr_dec_free_stateid(struct rpc_rqst *rqstp, | |
7326 | struct xdr_stream *xdr, | |
fc016483 | 7327 | void *data) |
9aeda35f | 7328 | { |
fc016483 | 7329 | struct nfs41_free_stateid_res *res = data; |
9aeda35f BS |
7330 | struct compound_hdr hdr; |
7331 | int status; | |
7332 | ||
7333 | status = decode_compound_hdr(xdr, &hdr); | |
7334 | if (status) | |
7335 | goto out; | |
7336 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7337 | if (status) | |
7338 | goto out; | |
7339 | status = decode_free_stateid(xdr, res); | |
7340 | out: | |
7341 | return status; | |
7342 | } | |
99fe60d0 BH |
7343 | #endif /* CONFIG_NFS_V4_1 */ |
7344 | ||
573c4e1e CL |
7345 | /** |
7346 | * nfs4_decode_dirent - Decode a single NFSv4 directory entry stored in | |
7347 | * the local page cache. | |
7348 | * @xdr: XDR stream where entry resides | |
7349 | * @entry: buffer to fill in with entry data | |
7350 | * @plus: boolean indicating whether this should be a readdirplus entry | |
7351 | * | |
7352 | * Returns zero if successful, otherwise a negative errno value is | |
7353 | * returned. | |
7354 | * | |
7355 | * This function is not invoked during READDIR reply decoding, but | |
7356 | * rather whenever an application invokes the getdents(2) system call | |
7357 | * on a directory already in our cache. | |
7358 | */ | |
7359 | int nfs4_decode_dirent(struct xdr_stream *xdr, struct nfs_entry *entry, | |
a7a3b1e9 | 7360 | bool plus) |
1da177e4 | 7361 | { |
256e48bb | 7362 | unsigned int savep; |
dae100c2 | 7363 | uint32_t bitmap[3] = {0}; |
1da177e4 | 7364 | uint32_t len; |
98de9ce6 | 7365 | uint64_t new_cookie; |
babddc72 BS |
7366 | __be32 *p = xdr_inline_decode(xdr, 4); |
7367 | if (unlikely(!p)) | |
eb72f484 | 7368 | return -EAGAIN; |
c08e76d0 | 7369 | if (*p == xdr_zero) { |
babddc72 BS |
7370 | p = xdr_inline_decode(xdr, 4); |
7371 | if (unlikely(!p)) | |
eb72f484 | 7372 | return -EAGAIN; |
c08e76d0 | 7373 | if (*p == xdr_zero) |
573c4e1e | 7374 | return -EAGAIN; |
1da177e4 | 7375 | entry->eof = 1; |
573c4e1e | 7376 | return -EBADCOOKIE; |
1da177e4 LT |
7377 | } |
7378 | ||
babddc72 BS |
7379 | p = xdr_inline_decode(xdr, 12); |
7380 | if (unlikely(!p)) | |
eb72f484 | 7381 | return -EAGAIN; |
98de9ce6 | 7382 | p = xdr_decode_hyper(p, &new_cookie); |
c08e76d0 | 7383 | entry->len = be32_to_cpup(p); |
babddc72 | 7384 | |
9af8c222 | 7385 | p = xdr_inline_decode(xdr, entry->len); |
babddc72 | 7386 | if (unlikely(!p)) |
eb72f484 | 7387 | return -EAGAIN; |
1da177e4 | 7388 | entry->name = (const char *) p; |
1da177e4 LT |
7389 | |
7390 | /* | |
7391 | * In case the server doesn't return an inode number, | |
7392 | * we fake one here. (We don't use inode number 0, | |
7393 | * since glibc seems to choke on it...) | |
7394 | */ | |
7395 | entry->ino = 1; | |
4f082222 | 7396 | entry->fattr->valid = 0; |
1da177e4 | 7397 | |
9af8c222 | 7398 | if (decode_attr_bitmap(xdr, bitmap) < 0) |
eb72f484 | 7399 | return -EAGAIN; |
9af8c222 | 7400 | |
256e48bb | 7401 | if (decode_attr_length(xdr, &len, &savep) < 0) |
eb72f484 | 7402 | return -EAGAIN; |
9af8c222 | 7403 | |
573c4e1e | 7404 | if (decode_getfattr_attrs(xdr, bitmap, entry->fattr, entry->fh, |
aa9c2669 | 7405 | NULL, entry->label, entry->server) < 0) |
eb72f484 | 7406 | return -EAGAIN; |
28331a46 TM |
7407 | if (entry->fattr->valid & NFS_ATTR_FATTR_MOUNTED_ON_FILEID) |
7408 | entry->ino = entry->fattr->mounted_on_fileid; | |
7409 | else if (entry->fattr->valid & NFS_ATTR_FATTR_FILEID) | |
9af8c222 TM |
7410 | entry->ino = entry->fattr->fileid; |
7411 | ||
0b26a0bf TM |
7412 | entry->d_type = DT_UNKNOWN; |
7413 | if (entry->fattr->valid & NFS_ATTR_FATTR_TYPE) | |
7414 | entry->d_type = nfs_umode_to_dtype(entry->fattr->mode); | |
7415 | ||
98de9ce6 FS |
7416 | entry->prev_cookie = entry->cookie; |
7417 | entry->cookie = new_cookie; | |
7418 | ||
573c4e1e | 7419 | return 0; |
1da177e4 LT |
7420 | } |
7421 | ||
7422 | /* | |
7423 | * We need to translate between nfs status return values and | |
7424 | * the local errno values which may not be the same. | |
7425 | */ | |
7426 | static struct { | |
7427 | int stat; | |
7428 | int errno; | |
7429 | } nfs_errtbl[] = { | |
7430 | { NFS4_OK, 0 }, | |
856dff3d BH |
7431 | { NFS4ERR_PERM, -EPERM }, |
7432 | { NFS4ERR_NOENT, -ENOENT }, | |
7433 | { NFS4ERR_IO, -errno_NFSERR_IO}, | |
7434 | { NFS4ERR_NXIO, -ENXIO }, | |
7435 | { NFS4ERR_ACCESS, -EACCES }, | |
7436 | { NFS4ERR_EXIST, -EEXIST }, | |
7437 | { NFS4ERR_XDEV, -EXDEV }, | |
7438 | { NFS4ERR_NOTDIR, -ENOTDIR }, | |
7439 | { NFS4ERR_ISDIR, -EISDIR }, | |
7440 | { NFS4ERR_INVAL, -EINVAL }, | |
7441 | { NFS4ERR_FBIG, -EFBIG }, | |
7442 | { NFS4ERR_NOSPC, -ENOSPC }, | |
7443 | { NFS4ERR_ROFS, -EROFS }, | |
7444 | { NFS4ERR_MLINK, -EMLINK }, | |
7445 | { NFS4ERR_NAMETOOLONG, -ENAMETOOLONG }, | |
7446 | { NFS4ERR_NOTEMPTY, -ENOTEMPTY }, | |
7447 | { NFS4ERR_DQUOT, -EDQUOT }, | |
7448 | { NFS4ERR_STALE, -ESTALE }, | |
7449 | { NFS4ERR_BADHANDLE, -EBADHANDLE }, | |
856dff3d BH |
7450 | { NFS4ERR_BAD_COOKIE, -EBADCOOKIE }, |
7451 | { NFS4ERR_NOTSUPP, -ENOTSUPP }, | |
7452 | { NFS4ERR_TOOSMALL, -ETOOSMALL }, | |
fdcb4577 | 7453 | { NFS4ERR_SERVERFAULT, -EREMOTEIO }, |
856dff3d BH |
7454 | { NFS4ERR_BADTYPE, -EBADTYPE }, |
7455 | { NFS4ERR_LOCKED, -EAGAIN }, | |
856dff3d BH |
7456 | { NFS4ERR_SYMLINK, -ELOOP }, |
7457 | { NFS4ERR_OP_ILLEGAL, -EOPNOTSUPP }, | |
7458 | { NFS4ERR_DEADLOCK, -EDEADLK }, | |
856dff3d | 7459 | { -1, -EIO } |
1da177e4 LT |
7460 | }; |
7461 | ||
7462 | /* | |
7463 | * Convert an NFS error code to a local one. | |
7464 | * This one is used jointly by NFSv2 and NFSv3. | |
7465 | */ | |
7466 | static int | |
0a8ea437 | 7467 | nfs4_stat_to_errno(int stat) |
1da177e4 LT |
7468 | { |
7469 | int i; | |
7470 | for (i = 0; nfs_errtbl[i].stat != -1; i++) { | |
7471 | if (nfs_errtbl[i].stat == stat) | |
7472 | return nfs_errtbl[i].errno; | |
7473 | } | |
7474 | if (stat <= 10000 || stat > 10100) { | |
7475 | /* The server is looney tunes. */ | |
fdcb4577 | 7476 | return -EREMOTEIO; |
1da177e4 LT |
7477 | } |
7478 | /* If we cannot translate the error, the recovery routines should | |
7479 | * handle it. | |
7480 | * Note: remaining NFSv4 error codes have values > 10000, so should | |
7481 | * not conflict with native Linux error codes. | |
7482 | */ | |
856dff3d | 7483 | return -stat; |
1da177e4 LT |
7484 | } |
7485 | ||
1c6dcbe5 AS |
7486 | #ifdef CONFIG_NFS_V4_2 |
7487 | #include "nfs42xdr.c" | |
7488 | #endif /* CONFIG_NFS_V4_2 */ | |
7489 | ||
1da177e4 LT |
7490 | #define PROC(proc, argtype, restype) \ |
7491 | [NFSPROC4_CLNT_##proc] = { \ | |
7492 | .p_proc = NFSPROC4_COMPOUND, \ | |
fcc85819 | 7493 | .p_encode = nfs4_xdr_##argtype, \ |
fc016483 | 7494 | .p_decode = nfs4_xdr_##restype, \ |
2bea90d4 CL |
7495 | .p_arglen = NFS4_##argtype##_sz, \ |
7496 | .p_replen = NFS4_##restype##_sz, \ | |
cc0175c1 CL |
7497 | .p_statidx = NFSPROC4_CLNT_##proc, \ |
7498 | .p_name = #proc, \ | |
05d564fe | 7499 | } |
1da177e4 | 7500 | |
7c61f0d3 AS |
7501 | #define STUB(proc) \ |
7502 | [NFSPROC4_CLNT_##proc] = { \ | |
7503 | .p_name = #proc, \ | |
7504 | } | |
7505 | ||
8634ef5e TM |
7506 | #if defined(CONFIG_NFS_V4_1) |
7507 | #define PROC41(proc, argtype, restype) \ | |
7508 | PROC(proc, argtype, restype) | |
7509 | #else | |
7510 | #define PROC41(proc, argtype, restype) \ | |
7511 | STUB(proc) | |
7512 | #endif | |
7513 | ||
7514 | #if defined(CONFIG_NFS_V4_2) | |
7515 | #define PROC42(proc, argtype, restype) \ | |
7516 | PROC(proc, argtype, restype) | |
7517 | #else | |
7518 | #define PROC42(proc, argtype, restype) \ | |
7519 | STUB(proc) | |
7520 | #endif | |
7521 | ||
511e936b | 7522 | const struct rpc_procinfo nfs4_procedures[] = { |
7d93bd71 CL |
7523 | PROC(READ, enc_read, dec_read), |
7524 | PROC(WRITE, enc_write, dec_write), | |
7525 | PROC(COMMIT, enc_commit, dec_commit), | |
7526 | PROC(OPEN, enc_open, dec_open), | |
7527 | PROC(OPEN_CONFIRM, enc_open_confirm, dec_open_confirm), | |
7528 | PROC(OPEN_NOATTR, enc_open_noattr, dec_open_noattr), | |
7529 | PROC(OPEN_DOWNGRADE, enc_open_downgrade, dec_open_downgrade), | |
7530 | PROC(CLOSE, enc_close, dec_close), | |
7531 | PROC(SETATTR, enc_setattr, dec_setattr), | |
7532 | PROC(FSINFO, enc_fsinfo, dec_fsinfo), | |
7533 | PROC(RENEW, enc_renew, dec_renew), | |
7534 | PROC(SETCLIENTID, enc_setclientid, dec_setclientid), | |
7535 | PROC(SETCLIENTID_CONFIRM, enc_setclientid_confirm, dec_setclientid_confirm), | |
7536 | PROC(LOCK, enc_lock, dec_lock), | |
7537 | PROC(LOCKT, enc_lockt, dec_lockt), | |
7538 | PROC(LOCKU, enc_locku, dec_locku), | |
7539 | PROC(ACCESS, enc_access, dec_access), | |
7540 | PROC(GETATTR, enc_getattr, dec_getattr), | |
7541 | PROC(LOOKUP, enc_lookup, dec_lookup), | |
7542 | PROC(LOOKUP_ROOT, enc_lookup_root, dec_lookup_root), | |
7543 | PROC(REMOVE, enc_remove, dec_remove), | |
7544 | PROC(RENAME, enc_rename, dec_rename), | |
7545 | PROC(LINK, enc_link, dec_link), | |
7546 | PROC(SYMLINK, enc_symlink, dec_symlink), | |
7547 | PROC(CREATE, enc_create, dec_create), | |
7548 | PROC(PATHCONF, enc_pathconf, dec_pathconf), | |
7549 | PROC(STATFS, enc_statfs, dec_statfs), | |
7550 | PROC(READLINK, enc_readlink, dec_readlink), | |
7551 | PROC(READDIR, enc_readdir, dec_readdir), | |
7552 | PROC(SERVER_CAPS, enc_server_caps, dec_server_caps), | |
7553 | PROC(DELEGRETURN, enc_delegreturn, dec_delegreturn), | |
7554 | PROC(GETACL, enc_getacl, dec_getacl), | |
7555 | PROC(SETACL, enc_setacl, dec_setacl), | |
7556 | PROC(FS_LOCATIONS, enc_fs_locations, dec_fs_locations), | |
7557 | PROC(RELEASE_LOCKOWNER, enc_release_lockowner, dec_release_lockowner), | |
5a5ea0d4 | 7558 | PROC(SECINFO, enc_secinfo, dec_secinfo), |
44c99933 | 7559 | PROC(FSID_PRESENT, enc_fsid_present, dec_fsid_present), |
8634ef5e TM |
7560 | PROC41(EXCHANGE_ID, enc_exchange_id, dec_exchange_id), |
7561 | PROC41(CREATE_SESSION, enc_create_session, dec_create_session), | |
7562 | PROC41(DESTROY_SESSION, enc_destroy_session, dec_destroy_session), | |
7563 | PROC41(SEQUENCE, enc_sequence, dec_sequence), | |
0efb01b2 | 7564 | PROC(GET_LEASE_TIME, enc_get_lease_time, dec_get_lease_time), |
8634ef5e TM |
7565 | PROC41(RECLAIM_COMPLETE,enc_reclaim_complete, dec_reclaim_complete), |
7566 | PROC41(GETDEVICEINFO, enc_getdeviceinfo, dec_getdeviceinfo), | |
7567 | PROC41(LAYOUTGET, enc_layoutget, dec_layoutget), | |
7568 | PROC41(LAYOUTCOMMIT, enc_layoutcommit, dec_layoutcommit), | |
7569 | PROC41(LAYOUTRETURN, enc_layoutreturn, dec_layoutreturn), | |
7570 | PROC41(SECINFO_NO_NAME, enc_secinfo_no_name, dec_secinfo_no_name), | |
7571 | PROC41(TEST_STATEID, enc_test_stateid, dec_test_stateid), | |
7572 | PROC41(FREE_STATEID, enc_free_stateid, dec_free_stateid), | |
7c61f0d3 | 7573 | STUB(GETDEVICELIST), |
8634ef5e | 7574 | PROC41(BIND_CONN_TO_SESSION, |
ad24ecfb | 7575 | enc_bind_conn_to_session, dec_bind_conn_to_session), |
8634ef5e TM |
7576 | PROC41(DESTROY_CLIENTID,enc_destroy_clientid, dec_destroy_clientid), |
7577 | PROC42(SEEK, enc_seek, dec_seek), | |
7578 | PROC42(ALLOCATE, enc_allocate, dec_allocate), | |
7579 | PROC42(DEALLOCATE, enc_deallocate, dec_deallocate), | |
7580 | PROC42(LAYOUTSTATS, enc_layoutstats, dec_layoutstats), | |
7581 | PROC42(CLONE, enc_clone, dec_clone), | |
7582 | PROC42(COPY, enc_copy, dec_copy), | |
cb95deea | 7583 | PROC42(OFFLOAD_CANCEL, enc_offload_cancel, dec_offload_cancel), |
8634ef5e | 7584 | PROC(LOOKUPP, enc_lookupp, dec_lookupp), |
3eb86093 | 7585 | PROC42(LAYOUTERROR, enc_layouterror, dec_layouterror), |
1da177e4 LT |
7586 | }; |
7587 | ||
c551858a | 7588 | static unsigned int nfs_version4_counts[ARRAY_SIZE(nfs4_procedures)]; |
a613fa16 | 7589 | const struct rpc_version nfs_version4 = { |
1da177e4 | 7590 | .number = 4, |
e8c96f8c | 7591 | .nrprocs = ARRAY_SIZE(nfs4_procedures), |
c551858a CH |
7592 | .procs = nfs4_procedures, |
7593 | .counts = nfs_version4_counts, | |
1da177e4 LT |
7594 | }; |
7595 | ||
7596 | /* | |
7597 | * Local variables: | |
7598 | * c-basic-offset: 8 | |
7599 | * End: | |
7600 | */ |