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" |
4882ef72 | 57 | #include "internal.h" |
40c64c26 | 58 | #include "nfs4idmap.h" |
76e697ba | 59 | #include "nfs4session.h" |
b1f69b75 | 60 | #include "pnfs.h" |
f092075d | 61 | #include "netns.h" |
1da177e4 LT |
62 | |
63 | #define NFSDBG_FACILITY NFSDBG_XDR | |
64 | ||
65 | /* Mapping from NFS error code to "errno" error code. */ | |
66 | #define errno_NFSERR_IO EIO | |
67 | ||
0a8ea437 | 68 | static int nfs4_stat_to_errno(int); |
1da177e4 LT |
69 | |
70 | /* NFSv4 COMPOUND tags are only wanted for debugging purposes */ | |
71 | #ifdef DEBUG | |
72 | #define NFS4_MAXTAGLEN 20 | |
73 | #else | |
74 | #define NFS4_MAXTAGLEN 0 | |
75 | #endif | |
76 | ||
6c0195a4 | 77 | /* lock,open owner id: |
9f958ab8 | 78 | * we currently use size 2 (u64) out of (NFS4_OPAQUE_LIMIT >> 2) |
1da177e4 | 79 | */ |
95b72eb0 | 80 | #define open_owner_id_maxsz (1 + 2 + 1 + 1 + 2) |
d035c36c | 81 | #define lock_owner_id_maxsz (1 + 1 + 4) |
9104a55d | 82 | #define decode_lockowner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) |
1da177e4 LT |
83 | #define compound_encode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2)) |
84 | #define compound_decode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2)) | |
85 | #define op_encode_hdr_maxsz (1) | |
86 | #define op_decode_hdr_maxsz (2) | |
9104a55d TM |
87 | #define encode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE)) |
88 | #define decode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE)) | |
89 | #define encode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE)) | |
90 | #define decode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE)) | |
1da177e4 LT |
91 | #define encode_putfh_maxsz (op_encode_hdr_maxsz + 1 + \ |
92 | (NFS4_FHSIZE >> 2)) | |
93 | #define decode_putfh_maxsz (op_decode_hdr_maxsz) | |
94 | #define encode_putrootfh_maxsz (op_encode_hdr_maxsz) | |
95 | #define decode_putrootfh_maxsz (op_decode_hdr_maxsz) | |
96 | #define encode_getfh_maxsz (op_encode_hdr_maxsz) | |
97 | #define decode_getfh_maxsz (op_decode_hdr_maxsz + 1 + \ | |
98 | ((3+NFS4_FHSIZE) >> 2)) | |
e5012d1f | 99 | #define nfs4_fattr_bitmap_maxsz 4 |
96928206 | 100 | #define encode_getattr_maxsz (op_encode_hdr_maxsz + nfs4_fattr_bitmap_maxsz) |
1da177e4 LT |
101 | #define nfs4_name_maxsz (1 + ((3 + NFS4_MAXNAMLEN) >> 2)) |
102 | #define nfs4_path_maxsz (1 + ((3 + NFS4_MAXPATHLEN) >> 2)) | |
bd625ba8 TM |
103 | #define nfs4_owner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) |
104 | #define nfs4_group_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) | |
aa9c2669 DQ |
105 | #ifdef CONFIG_NFS_V4_SECURITY_LABEL |
106 | /* PI(4 bytes) + LFS(4 bytes) + 1(for null terminator?) + MAXLABELLEN */ | |
107 | #define nfs4_label_maxsz (4 + 4 + 1 + XDR_QUADLEN(NFS4_MAXLABELLEN)) | |
aa9c2669 DQ |
108 | #else |
109 | #define nfs4_label_maxsz 0 | |
aa9c2669 | 110 | #endif |
88034c3d AA |
111 | /* We support only one layout type per file system */ |
112 | #define decode_mdsthreshold_maxsz (1 + 1 + nfs4_fattr_bitmap_maxsz + 1 + 8) | |
96928206 BF |
113 | /* This is based on getfattr, which uses the most attributes: */ |
114 | #define nfs4_fattr_value_maxsz (1 + (1 + 2 + 2 + 4 + 2 + 1 + 1 + 2 + 2 + \ | |
88034c3d | 115 | 3 + 3 + 3 + nfs4_owner_maxsz + \ |
aa9c2669 DQ |
116 | nfs4_group_maxsz + nfs4_label_maxsz + \ |
117 | decode_mdsthreshold_maxsz)) | |
96928206 BF |
118 | #define nfs4_fattr_maxsz (nfs4_fattr_bitmap_maxsz + \ |
119 | nfs4_fattr_value_maxsz) | |
120 | #define decode_getattr_maxsz (op_decode_hdr_maxsz + nfs4_fattr_maxsz) | |
9104a55d TM |
121 | #define encode_attrs_maxsz (nfs4_fattr_bitmap_maxsz + \ |
122 | 1 + 2 + 1 + \ | |
123 | nfs4_owner_maxsz + \ | |
124 | nfs4_group_maxsz + \ | |
aa9c2669 | 125 | nfs4_label_maxsz + \ |
9104a55d | 126 | 4 + 4) |
1da177e4 LT |
127 | #define encode_savefh_maxsz (op_encode_hdr_maxsz) |
128 | #define decode_savefh_maxsz (op_decode_hdr_maxsz) | |
56ae19f3 TM |
129 | #define encode_restorefh_maxsz (op_encode_hdr_maxsz) |
130 | #define decode_restorefh_maxsz (op_decode_hdr_maxsz) | |
2f42b5d0 | 131 | #define encode_fsinfo_maxsz (encode_getattr_maxsz) |
dae100c2 FI |
132 | /* The 5 accounts for the PNFS attributes, and assumes that at most three |
133 | * layout types will be returned. | |
134 | */ | |
135 | #define decode_fsinfo_maxsz (op_decode_hdr_maxsz + \ | |
136 | nfs4_fattr_bitmap_maxsz + 4 + 8 + 5) | |
1da177e4 LT |
137 | #define encode_renew_maxsz (op_encode_hdr_maxsz + 3) |
138 | #define decode_renew_maxsz (op_decode_hdr_maxsz) | |
139 | #define encode_setclientid_maxsz \ | |
140 | (op_encode_hdr_maxsz + \ | |
cc38bac3 | 141 | XDR_QUADLEN(NFS4_VERIFIER_SIZE) + \ |
b8fb2f59 JL |
142 | /* client name */ \ |
143 | 1 + XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
cc38bac3 | 144 | 1 /* sc_prog */ + \ |
6dd3436b CL |
145 | 1 + XDR_QUADLEN(RPCBIND_MAXNETIDLEN) + \ |
146 | 1 + XDR_QUADLEN(RPCBIND_MAXUADDRLEN) + \ | |
cc38bac3 | 147 | 1) /* sc_cb_ident */ |
1da177e4 LT |
148 | #define decode_setclientid_maxsz \ |
149 | (op_decode_hdr_maxsz + \ | |
6dd3436b CL |
150 | 2 /* clientid */ + \ |
151 | XDR_QUADLEN(NFS4_VERIFIER_SIZE) + \ | |
152 | 1 + XDR_QUADLEN(RPCBIND_MAXNETIDLEN) + \ | |
153 | 1 + XDR_QUADLEN(RPCBIND_MAXUADDRLEN)) | |
1da177e4 LT |
154 | #define encode_setclientid_confirm_maxsz \ |
155 | (op_encode_hdr_maxsz + \ | |
156 | 3 + (NFS4_VERIFIER_SIZE >> 2)) | |
157 | #define decode_setclientid_confirm_maxsz \ | |
158 | (op_decode_hdr_maxsz) | |
e6889620 TM |
159 | #define encode_lookup_maxsz (op_encode_hdr_maxsz + nfs4_name_maxsz) |
160 | #define decode_lookup_maxsz (op_decode_hdr_maxsz) | |
2cebf828 TM |
161 | #define encode_share_access_maxsz \ |
162 | (2) | |
4882ef72 | 163 | #define encode_createmode_maxsz (1 + encode_attrs_maxsz + encode_verifier_maxsz) |
2cebf828 TM |
164 | #define encode_opentype_maxsz (1 + encode_createmode_maxsz) |
165 | #define encode_claim_null_maxsz (1 + nfs4_name_maxsz) | |
166 | #define encode_open_maxsz (op_encode_hdr_maxsz + \ | |
167 | 2 + encode_share_access_maxsz + 2 + \ | |
168 | open_owner_id_maxsz + \ | |
169 | encode_opentype_maxsz + \ | |
170 | encode_claim_null_maxsz) | |
171 | #define decode_ace_maxsz (3 + nfs4_owner_maxsz) | |
9104a55d | 172 | #define decode_delegation_maxsz (1 + decode_stateid_maxsz + 1 + \ |
2cebf828 TM |
173 | decode_ace_maxsz) |
174 | #define decode_change_info_maxsz (5) | |
175 | #define decode_open_maxsz (op_decode_hdr_maxsz + \ | |
9104a55d | 176 | decode_stateid_maxsz + \ |
2cebf828 TM |
177 | decode_change_info_maxsz + 1 + \ |
178 | nfs4_fattr_bitmap_maxsz + \ | |
179 | decode_delegation_maxsz) | |
9104a55d TM |
180 | #define encode_open_confirm_maxsz \ |
181 | (op_encode_hdr_maxsz + \ | |
182 | encode_stateid_maxsz + 1) | |
183 | #define decode_open_confirm_maxsz \ | |
184 | (op_decode_hdr_maxsz + \ | |
185 | decode_stateid_maxsz) | |
186 | #define encode_open_downgrade_maxsz \ | |
187 | (op_encode_hdr_maxsz + \ | |
188 | encode_stateid_maxsz + 1 + \ | |
189 | encode_share_access_maxsz) | |
190 | #define decode_open_downgrade_maxsz \ | |
191 | (op_decode_hdr_maxsz + \ | |
192 | decode_stateid_maxsz) | |
193 | #define encode_close_maxsz (op_encode_hdr_maxsz + \ | |
194 | 1 + encode_stateid_maxsz) | |
195 | #define decode_close_maxsz (op_decode_hdr_maxsz + \ | |
196 | decode_stateid_maxsz) | |
197 | #define encode_setattr_maxsz (op_encode_hdr_maxsz + \ | |
198 | encode_stateid_maxsz + \ | |
199 | encode_attrs_maxsz) | |
200 | #define decode_setattr_maxsz (op_decode_hdr_maxsz + \ | |
201 | nfs4_fattr_bitmap_maxsz) | |
202 | #define encode_read_maxsz (op_encode_hdr_maxsz + \ | |
203 | encode_stateid_maxsz + 3) | |
204 | #define decode_read_maxsz (op_decode_hdr_maxsz + 2) | |
205 | #define encode_readdir_maxsz (op_encode_hdr_maxsz + \ | |
aa9c2669 DQ |
206 | 2 + encode_verifier_maxsz + 5 + \ |
207 | nfs4_label_maxsz) | |
9104a55d | 208 | #define decode_readdir_maxsz (op_decode_hdr_maxsz + \ |
a7697f6f | 209 | decode_verifier_maxsz) |
9104a55d TM |
210 | #define encode_readlink_maxsz (op_encode_hdr_maxsz) |
211 | #define decode_readlink_maxsz (op_decode_hdr_maxsz + 1) | |
212 | #define encode_write_maxsz (op_encode_hdr_maxsz + \ | |
213 | encode_stateid_maxsz + 4) | |
214 | #define decode_write_maxsz (op_decode_hdr_maxsz + \ | |
215 | 2 + decode_verifier_maxsz) | |
216 | #define encode_commit_maxsz (op_encode_hdr_maxsz + 3) | |
217 | #define decode_commit_maxsz (op_decode_hdr_maxsz + \ | |
218 | decode_verifier_maxsz) | |
1da177e4 LT |
219 | #define encode_remove_maxsz (op_encode_hdr_maxsz + \ |
220 | nfs4_name_maxsz) | |
6ce18391 BH |
221 | #define decode_remove_maxsz (op_decode_hdr_maxsz + \ |
222 | decode_change_info_maxsz) | |
1da177e4 LT |
223 | #define encode_rename_maxsz (op_encode_hdr_maxsz + \ |
224 | 2 * nfs4_name_maxsz) | |
6ce18391 BH |
225 | #define decode_rename_maxsz (op_decode_hdr_maxsz + \ |
226 | decode_change_info_maxsz + \ | |
227 | decode_change_info_maxsz) | |
1da177e4 LT |
228 | #define encode_link_maxsz (op_encode_hdr_maxsz + \ |
229 | nfs4_name_maxsz) | |
6ce18391 | 230 | #define decode_link_maxsz (op_decode_hdr_maxsz + decode_change_info_maxsz) |
daccbded | 231 | #define encode_lockowner_maxsz (7) |
9104a55d TM |
232 | #define encode_lock_maxsz (op_encode_hdr_maxsz + \ |
233 | 7 + \ | |
daccbded TM |
234 | 1 + encode_stateid_maxsz + 1 + \ |
235 | encode_lockowner_maxsz) | |
9104a55d TM |
236 | #define decode_lock_denied_maxsz \ |
237 | (8 + decode_lockowner_maxsz) | |
238 | #define decode_lock_maxsz (op_decode_hdr_maxsz + \ | |
239 | decode_lock_denied_maxsz) | |
daccbded TM |
240 | #define encode_lockt_maxsz (op_encode_hdr_maxsz + 5 + \ |
241 | encode_lockowner_maxsz) | |
9104a55d TM |
242 | #define decode_lockt_maxsz (op_decode_hdr_maxsz + \ |
243 | decode_lock_denied_maxsz) | |
244 | #define encode_locku_maxsz (op_encode_hdr_maxsz + 3 + \ | |
245 | encode_stateid_maxsz + \ | |
246 | 4) | |
247 | #define decode_locku_maxsz (op_decode_hdr_maxsz + \ | |
248 | decode_stateid_maxsz) | |
d3c7b7cc TM |
249 | #define encode_release_lockowner_maxsz \ |
250 | (op_encode_hdr_maxsz + \ | |
251 | encode_lockowner_maxsz) | |
252 | #define decode_release_lockowner_maxsz \ | |
253 | (op_decode_hdr_maxsz) | |
9104a55d TM |
254 | #define encode_access_maxsz (op_encode_hdr_maxsz + 1) |
255 | #define decode_access_maxsz (op_decode_hdr_maxsz + 2) | |
1da177e4 LT |
256 | #define encode_symlink_maxsz (op_encode_hdr_maxsz + \ |
257 | 1 + nfs4_name_maxsz + \ | |
94a6d753 | 258 | 1 + \ |
96928206 | 259 | nfs4_fattr_maxsz) |
1da177e4 LT |
260 | #define decode_symlink_maxsz (op_decode_hdr_maxsz + 8) |
261 | #define encode_create_maxsz (op_encode_hdr_maxsz + \ | |
9104a55d TM |
262 | 1 + 2 + nfs4_name_maxsz + \ |
263 | encode_attrs_maxsz) | |
2cebf828 TM |
264 | #define decode_create_maxsz (op_decode_hdr_maxsz + \ |
265 | decode_change_info_maxsz + \ | |
266 | nfs4_fattr_bitmap_maxsz) | |
9104a55d TM |
267 | #define encode_statfs_maxsz (encode_getattr_maxsz) |
268 | #define decode_statfs_maxsz (decode_getattr_maxsz) | |
1da177e4 LT |
269 | #define encode_delegreturn_maxsz (op_encode_hdr_maxsz + 4) |
270 | #define decode_delegreturn_maxsz (op_decode_hdr_maxsz) | |
9104a55d TM |
271 | #define encode_getacl_maxsz (encode_getattr_maxsz) |
272 | #define decode_getacl_maxsz (op_decode_hdr_maxsz + \ | |
273 | nfs4_fattr_bitmap_maxsz + 1) | |
274 | #define encode_setacl_maxsz (op_encode_hdr_maxsz + \ | |
275 | encode_stateid_maxsz + 3) | |
276 | #define decode_setacl_maxsz (decode_setattr_maxsz) | |
e6889620 TM |
277 | #define encode_fs_locations_maxsz \ |
278 | (encode_getattr_maxsz) | |
279 | #define decode_fs_locations_maxsz \ | |
280 | (0) | |
5a5ea0d4 | 281 | #define encode_secinfo_maxsz (op_encode_hdr_maxsz + nfs4_name_maxsz) |
1650add2 | 282 | #define decode_secinfo_maxsz (op_decode_hdr_maxsz + 1 + ((NFS_MAX_SECFLAVORS * (16 + GSS_OID_MAX_LEN)) / 4)) |
9b7b9fcc AA |
283 | |
284 | #if defined(CONFIG_NFS_V4_1) | |
fc931582 | 285 | #define NFS4_MAX_MACHINE_NAME_LEN (64) |
d751f748 JR |
286 | #define IMPL_NAME_LIMIT (sizeof(utsname()->sysname) + sizeof(utsname()->release) + \ |
287 | sizeof(utsname()->version) + sizeof(utsname()->machine) + 8) | |
fc931582 | 288 | |
99fe60d0 BH |
289 | #define encode_exchange_id_maxsz (op_encode_hdr_maxsz + \ |
290 | encode_verifier_maxsz + \ | |
291 | 1 /* co_ownerid.len */ + \ | |
b8fb2f59 JL |
292 | /* eia_clientowner */ \ |
293 | 1 + XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
99fe60d0 BH |
294 | 1 /* flags */ + \ |
295 | 1 /* spa_how */ + \ | |
2031cd1a WAA |
296 | /* max is SP4_MACH_CRED (for now) */ + \ |
297 | 1 + NFS4_OP_MAP_NUM_WORDS + \ | |
298 | 1 + NFS4_OP_MAP_NUM_WORDS + \ | |
db8ac8ba WAA |
299 | 1 /* implementation id array of size 1 */ + \ |
300 | 1 /* nii_domain */ + \ | |
301 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
302 | 1 /* nii_name */ + \ | |
d751f748 | 303 | XDR_QUADLEN(IMPL_NAME_LIMIT) + \ |
db8ac8ba | 304 | 3 /* nii_date */) |
99fe60d0 BH |
305 | #define decode_exchange_id_maxsz (op_decode_hdr_maxsz + \ |
306 | 2 /* eir_clientid */ + \ | |
307 | 1 /* eir_sequenceid */ + \ | |
308 | 1 /* eir_flags */ + \ | |
309 | 1 /* spr_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 + \ | |
99fe60d0 BH |
313 | 2 /* eir_server_owner.so_minor_id */ + \ |
314 | /* eir_server_owner.so_major_id<> */ \ | |
315 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 + \ | |
316 | /* eir_server_scope<> */ \ | |
317 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 + \ | |
318 | 1 /* eir_server_impl_id array length */ + \ | |
7d2ed9ac WAA |
319 | 1 /* nii_domain */ + \ |
320 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
321 | 1 /* nii_name */ + \ | |
322 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
323 | 3 /* nii_date */) | |
fc931582 AA |
324 | #define encode_channel_attrs_maxsz (6 + 1 /* ca_rdma_ird.len (0) */) |
325 | #define decode_channel_attrs_maxsz (6 + \ | |
326 | 1 /* ca_rdma_ird.len */ + \ | |
327 | 1 /* ca_rdma_ird */) | |
328 | #define encode_create_session_maxsz (op_encode_hdr_maxsz + \ | |
329 | 2 /* csa_clientid */ + \ | |
330 | 1 /* csa_sequence */ + \ | |
331 | 1 /* csa_flags */ + \ | |
332 | encode_channel_attrs_maxsz + \ | |
333 | encode_channel_attrs_maxsz + \ | |
334 | 1 /* csa_cb_program */ + \ | |
335 | 1 /* csa_sec_parms.len (1) */ + \ | |
336 | 1 /* cb_secflavor (AUTH_SYS) */ + \ | |
337 | 1 /* stamp */ + \ | |
338 | 1 /* machinename.len */ + \ | |
339 | XDR_QUADLEN(NFS4_MAX_MACHINE_NAME_LEN) + \ | |
340 | 1 /* uid */ + \ | |
341 | 1 /* gid */ + \ | |
342 | 1 /* gids.len (0) */) | |
343 | #define decode_create_session_maxsz (op_decode_hdr_maxsz + \ | |
344 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + \ | |
345 | 1 /* csr_sequence */ + \ | |
346 | 1 /* csr_flags */ + \ | |
347 | decode_channel_attrs_maxsz + \ | |
348 | decode_channel_attrs_maxsz) | |
7c44f1ae WAA |
349 | #define encode_bind_conn_to_session_maxsz (op_encode_hdr_maxsz + \ |
350 | /* bctsa_sessid */ \ | |
351 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + \ | |
352 | 1 /* bctsa_dir */ + \ | |
353 | 1 /* bctsa_use_conn_in_rdma_mode */) | |
354 | #define decode_bind_conn_to_session_maxsz (op_decode_hdr_maxsz + \ | |
355 | /* bctsr_sessid */ \ | |
356 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + \ | |
357 | 1 /* bctsr_dir */ + \ | |
358 | 1 /* bctsr_use_conn_in_rdma_mode */) | |
0f3e66c6 AA |
359 | #define encode_destroy_session_maxsz (op_encode_hdr_maxsz + 4) |
360 | #define decode_destroy_session_maxsz (op_decode_hdr_maxsz) | |
66245539 TM |
361 | #define encode_destroy_clientid_maxsz (op_encode_hdr_maxsz + 2) |
362 | #define decode_destroy_clientid_maxsz (op_decode_hdr_maxsz) | |
fc01cea9 AA |
363 | #define encode_sequence_maxsz (op_encode_hdr_maxsz + \ |
364 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 4) | |
365 | #define decode_sequence_maxsz (op_decode_hdr_maxsz + \ | |
366 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 5) | |
18019753 RL |
367 | #define encode_reclaim_complete_maxsz (op_encode_hdr_maxsz + 4) |
368 | #define decode_reclaim_complete_maxsz (op_decode_hdr_maxsz + 4) | |
84c9dee3 CH |
369 | #define encode_getdeviceinfo_maxsz (op_encode_hdr_maxsz + \ |
370 | XDR_QUADLEN(NFS4_DEVICEID4_SIZE) + \ | |
371 | 1 /* layout type */ + \ | |
372 | 1 /* maxcount */ + \ | |
373 | 1 /* bitmap size */ + \ | |
374 | 1 /* notification bitmap length */ + \ | |
375 | 1 /* notification bitmap, word 0 */) | |
b1f69b75 AA |
376 | #define decode_getdeviceinfo_maxsz (op_decode_hdr_maxsz + \ |
377 | 1 /* layout type */ + \ | |
378 | 1 /* opaque devaddr4 length */ + \ | |
379 | /* devaddr4 payload is read into page */ \ | |
380 | 1 /* notification bitmap length */ + \ | |
84c9dee3 | 381 | 1 /* notification bitmap, word 0 */) |
b1f69b75 AA |
382 | #define encode_layoutget_maxsz (op_encode_hdr_maxsz + 10 + \ |
383 | encode_stateid_maxsz) | |
384 | #define decode_layoutget_maxsz (op_decode_hdr_maxsz + 8 + \ | |
385 | decode_stateid_maxsz + \ | |
386 | XDR_QUADLEN(PNFS_LAYOUT_MAXSIZE)) | |
863a3c6c AA |
387 | #define encode_layoutcommit_maxsz (op_encode_hdr_maxsz + \ |
388 | 2 /* offset */ + \ | |
389 | 2 /* length */ + \ | |
390 | 1 /* reclaim */ + \ | |
391 | encode_stateid_maxsz + \ | |
392 | 1 /* new offset (true) */ + \ | |
393 | 2 /* last byte written */ + \ | |
394 | 1 /* nt_timechanged (false) */ + \ | |
395 | 1 /* layoutupdate4 layout type */ + \ | |
5f919c9f CH |
396 | 1 /* layoutupdate4 opaqueue len */) |
397 | /* the actual content of layoutupdate4 should | |
398 | be allocated by drivers and spliced in | |
399 | using xdr_write_pages */ | |
863a3c6c | 400 | #define decode_layoutcommit_maxsz (op_decode_hdr_maxsz + 3) |
cbe82603 BH |
401 | #define encode_layoutreturn_maxsz (8 + op_encode_hdr_maxsz + \ |
402 | encode_stateid_maxsz + \ | |
6669cb8b TM |
403 | 1 + \ |
404 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT)) | |
cbe82603 BH |
405 | #define decode_layoutreturn_maxsz (op_decode_hdr_maxsz + \ |
406 | 1 + decode_stateid_maxsz) | |
fca78d6d BS |
407 | #define encode_secinfo_no_name_maxsz (op_encode_hdr_maxsz + 1) |
408 | #define decode_secinfo_no_name_maxsz decode_secinfo_maxsz | |
7d974794 BS |
409 | #define encode_test_stateid_maxsz (op_encode_hdr_maxsz + 2 + \ |
410 | XDR_QUADLEN(NFS4_STATEID_SIZE)) | |
411 | #define decode_test_stateid_maxsz (op_decode_hdr_maxsz + 2 + 1) | |
9aeda35f BS |
412 | #define encode_free_stateid_maxsz (op_encode_hdr_maxsz + 1 + \ |
413 | XDR_QUADLEN(NFS4_STATEID_SIZE)) | |
9f79fb48 | 414 | #define decode_free_stateid_maxsz (op_decode_hdr_maxsz) |
9b7b9fcc AA |
415 | #else /* CONFIG_NFS_V4_1 */ |
416 | #define encode_sequence_maxsz 0 | |
417 | #define decode_sequence_maxsz 0 | |
418 | #endif /* CONFIG_NFS_V4_1 */ | |
419 | ||
1da177e4 LT |
420 | #define NFS4_enc_compound_sz (1024) /* XXX: large enough? */ |
421 | #define NFS4_dec_compound_sz (1024) /* XXX: large enough? */ | |
422 | #define NFS4_enc_read_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 423 | encode_sequence_maxsz + \ |
1da177e4 | 424 | encode_putfh_maxsz + \ |
9104a55d | 425 | encode_read_maxsz) |
1da177e4 | 426 | #define NFS4_dec_read_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 427 | decode_sequence_maxsz + \ |
1da177e4 | 428 | decode_putfh_maxsz + \ |
9104a55d | 429 | decode_read_maxsz) |
1da177e4 | 430 | #define NFS4_enc_readlink_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 431 | encode_sequence_maxsz + \ |
1da177e4 | 432 | encode_putfh_maxsz + \ |
9104a55d | 433 | encode_readlink_maxsz) |
1da177e4 | 434 | #define NFS4_dec_readlink_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 435 | decode_sequence_maxsz + \ |
1da177e4 | 436 | decode_putfh_maxsz + \ |
9104a55d | 437 | decode_readlink_maxsz) |
1da177e4 | 438 | #define NFS4_enc_readdir_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 439 | encode_sequence_maxsz + \ |
1da177e4 | 440 | encode_putfh_maxsz + \ |
9104a55d | 441 | encode_readdir_maxsz) |
1da177e4 | 442 | #define NFS4_dec_readdir_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 443 | decode_sequence_maxsz + \ |
1da177e4 | 444 | decode_putfh_maxsz + \ |
9104a55d | 445 | decode_readdir_maxsz) |
1da177e4 | 446 | #define NFS4_enc_write_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 447 | encode_sequence_maxsz + \ |
1da177e4 | 448 | encode_putfh_maxsz + \ |
9104a55d | 449 | encode_write_maxsz + \ |
4f9838c7 | 450 | encode_getattr_maxsz) |
1da177e4 | 451 | #define NFS4_dec_write_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 452 | decode_sequence_maxsz + \ |
1da177e4 | 453 | decode_putfh_maxsz + \ |
9104a55d | 454 | decode_write_maxsz + \ |
4f9838c7 | 455 | decode_getattr_maxsz) |
1da177e4 | 456 | #define NFS4_enc_commit_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 457 | encode_sequence_maxsz + \ |
1da177e4 | 458 | encode_putfh_maxsz + \ |
8582715e | 459 | encode_commit_maxsz) |
1da177e4 | 460 | #define NFS4_dec_commit_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 461 | decode_sequence_maxsz + \ |
1da177e4 | 462 | decode_putfh_maxsz + \ |
8582715e | 463 | decode_commit_maxsz) |
1da177e4 | 464 | #define NFS4_enc_open_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 465 | encode_sequence_maxsz + \ |
2cebf828 | 466 | encode_putfh_maxsz + \ |
2cebf828 | 467 | encode_open_maxsz + \ |
6168f62c | 468 | encode_access_maxsz + \ |
2cebf828 | 469 | encode_getfh_maxsz + \ |
2cebf828 | 470 | encode_getattr_maxsz) |
1da177e4 | 471 | #define NFS4_dec_open_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 472 | decode_sequence_maxsz + \ |
2cebf828 | 473 | decode_putfh_maxsz + \ |
2cebf828 | 474 | decode_open_maxsz + \ |
6168f62c | 475 | decode_access_maxsz + \ |
2cebf828 | 476 | decode_getfh_maxsz + \ |
2cebf828 | 477 | decode_getattr_maxsz) |
9104a55d TM |
478 | #define NFS4_enc_open_confirm_sz \ |
479 | (compound_encode_hdr_maxsz + \ | |
480 | encode_putfh_maxsz + \ | |
481 | encode_open_confirm_maxsz) | |
482 | #define NFS4_dec_open_confirm_sz \ | |
483 | (compound_decode_hdr_maxsz + \ | |
484 | decode_putfh_maxsz + \ | |
485 | decode_open_confirm_maxsz) | |
1da177e4 | 486 | #define NFS4_enc_open_noattr_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 487 | encode_sequence_maxsz + \ |
1da177e4 | 488 | encode_putfh_maxsz + \ |
2cebf828 | 489 | encode_open_maxsz + \ |
6168f62c | 490 | encode_access_maxsz + \ |
2cebf828 | 491 | encode_getattr_maxsz) |
1da177e4 | 492 | #define NFS4_dec_open_noattr_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 493 | decode_sequence_maxsz + \ |
1da177e4 | 494 | decode_putfh_maxsz + \ |
2cebf828 | 495 | decode_open_maxsz + \ |
6168f62c | 496 | decode_access_maxsz + \ |
2cebf828 | 497 | decode_getattr_maxsz) |
1da177e4 LT |
498 | #define NFS4_enc_open_downgrade_sz \ |
499 | (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 500 | encode_sequence_maxsz + \ |
9104a55d TM |
501 | encode_putfh_maxsz + \ |
502 | encode_open_downgrade_maxsz + \ | |
503 | encode_getattr_maxsz) | |
1da177e4 LT |
504 | #define NFS4_dec_open_downgrade_sz \ |
505 | (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 506 | decode_sequence_maxsz + \ |
9104a55d TM |
507 | decode_putfh_maxsz + \ |
508 | decode_open_downgrade_maxsz + \ | |
509 | decode_getattr_maxsz) | |
510 | #define NFS4_enc_close_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 511 | encode_sequence_maxsz + \ |
9104a55d TM |
512 | encode_putfh_maxsz + \ |
513 | encode_close_maxsz + \ | |
514 | encode_getattr_maxsz) | |
515 | #define NFS4_dec_close_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 516 | decode_sequence_maxsz + \ |
9104a55d TM |
517 | decode_putfh_maxsz + \ |
518 | decode_close_maxsz + \ | |
519 | decode_getattr_maxsz) | |
520 | #define NFS4_enc_setattr_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 521 | encode_sequence_maxsz + \ |
9104a55d TM |
522 | encode_putfh_maxsz + \ |
523 | encode_setattr_maxsz + \ | |
524 | encode_getattr_maxsz) | |
525 | #define NFS4_dec_setattr_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 526 | decode_sequence_maxsz + \ |
9104a55d TM |
527 | decode_putfh_maxsz + \ |
528 | decode_setattr_maxsz + \ | |
529 | decode_getattr_maxsz) | |
1da177e4 | 530 | #define NFS4_enc_fsinfo_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 531 | encode_sequence_maxsz + \ |
1da177e4 LT |
532 | encode_putfh_maxsz + \ |
533 | encode_fsinfo_maxsz) | |
534 | #define NFS4_dec_fsinfo_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 535 | decode_sequence_maxsz + \ |
1da177e4 LT |
536 | decode_putfh_maxsz + \ |
537 | decode_fsinfo_maxsz) | |
538 | #define NFS4_enc_renew_sz (compound_encode_hdr_maxsz + \ | |
539 | encode_renew_maxsz) | |
540 | #define NFS4_dec_renew_sz (compound_decode_hdr_maxsz + \ | |
541 | decode_renew_maxsz) | |
542 | #define NFS4_enc_setclientid_sz (compound_encode_hdr_maxsz + \ | |
543 | encode_setclientid_maxsz) | |
544 | #define NFS4_dec_setclientid_sz (compound_decode_hdr_maxsz + \ | |
545 | decode_setclientid_maxsz) | |
546 | #define NFS4_enc_setclientid_confirm_sz \ | |
547 | (compound_encode_hdr_maxsz + \ | |
83ca7f5a | 548 | encode_setclientid_confirm_maxsz) |
1da177e4 LT |
549 | #define NFS4_dec_setclientid_confirm_sz \ |
550 | (compound_decode_hdr_maxsz + \ | |
83ca7f5a | 551 | decode_setclientid_confirm_maxsz) |
1da177e4 | 552 | #define NFS4_enc_lock_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 553 | encode_sequence_maxsz + \ |
1da177e4 | 554 | encode_putfh_maxsz + \ |
9104a55d | 555 | encode_lock_maxsz) |
1da177e4 | 556 | #define NFS4_dec_lock_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 557 | decode_sequence_maxsz + \ |
1da177e4 | 558 | decode_putfh_maxsz + \ |
9104a55d | 559 | decode_lock_maxsz) |
1da177e4 | 560 | #define NFS4_enc_lockt_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 561 | encode_sequence_maxsz + \ |
1da177e4 | 562 | encode_putfh_maxsz + \ |
9104a55d TM |
563 | encode_lockt_maxsz) |
564 | #define NFS4_dec_lockt_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 565 | decode_sequence_maxsz + \ |
9104a55d TM |
566 | decode_putfh_maxsz + \ |
567 | decode_lockt_maxsz) | |
1da177e4 | 568 | #define NFS4_enc_locku_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 569 | encode_sequence_maxsz + \ |
1da177e4 | 570 | encode_putfh_maxsz + \ |
9104a55d | 571 | encode_locku_maxsz) |
1da177e4 | 572 | #define NFS4_dec_locku_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 573 | decode_sequence_maxsz + \ |
1da177e4 | 574 | decode_putfh_maxsz + \ |
9104a55d | 575 | decode_locku_maxsz) |
d3c7b7cc TM |
576 | #define NFS4_enc_release_lockowner_sz \ |
577 | (compound_encode_hdr_maxsz + \ | |
578 | encode_lockowner_maxsz) | |
579 | #define NFS4_dec_release_lockowner_sz \ | |
580 | (compound_decode_hdr_maxsz + \ | |
581 | decode_lockowner_maxsz) | |
1da177e4 | 582 | #define NFS4_enc_access_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 583 | encode_sequence_maxsz + \ |
1da177e4 | 584 | encode_putfh_maxsz + \ |
76b32999 TM |
585 | encode_access_maxsz + \ |
586 | encode_getattr_maxsz) | |
1da177e4 | 587 | #define NFS4_dec_access_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 588 | decode_sequence_maxsz + \ |
1da177e4 | 589 | decode_putfh_maxsz + \ |
76b32999 TM |
590 | decode_access_maxsz + \ |
591 | decode_getattr_maxsz) | |
1da177e4 | 592 | #define NFS4_enc_getattr_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 593 | encode_sequence_maxsz + \ |
1da177e4 | 594 | encode_putfh_maxsz + \ |
44c99933 CL |
595 | encode_getattr_maxsz + \ |
596 | encode_renew_maxsz) | |
1da177e4 | 597 | #define NFS4_dec_getattr_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 598 | decode_sequence_maxsz + \ |
1da177e4 | 599 | decode_putfh_maxsz + \ |
44c99933 CL |
600 | decode_getattr_maxsz + \ |
601 | decode_renew_maxsz) | |
1da177e4 | 602 | #define NFS4_enc_lookup_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 603 | encode_sequence_maxsz + \ |
1da177e4 LT |
604 | encode_putfh_maxsz + \ |
605 | encode_lookup_maxsz + \ | |
606 | encode_getattr_maxsz + \ | |
607 | encode_getfh_maxsz) | |
608 | #define NFS4_dec_lookup_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 609 | decode_sequence_maxsz + \ |
1da177e4 | 610 | decode_putfh_maxsz + \ |
e6889620 | 611 | decode_lookup_maxsz + \ |
1da177e4 LT |
612 | decode_getattr_maxsz + \ |
613 | decode_getfh_maxsz) | |
614 | #define NFS4_enc_lookup_root_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 615 | encode_sequence_maxsz + \ |
1da177e4 LT |
616 | encode_putrootfh_maxsz + \ |
617 | encode_getattr_maxsz + \ | |
618 | encode_getfh_maxsz) | |
619 | #define NFS4_dec_lookup_root_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 620 | decode_sequence_maxsz + \ |
1da177e4 LT |
621 | decode_putrootfh_maxsz + \ |
622 | decode_getattr_maxsz + \ | |
623 | decode_getfh_maxsz) | |
624 | #define NFS4_enc_remove_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 625 | encode_sequence_maxsz + \ |
1da177e4 | 626 | encode_putfh_maxsz + \ |
778d2817 | 627 | encode_remove_maxsz) |
1da177e4 | 628 | #define NFS4_dec_remove_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 629 | decode_sequence_maxsz + \ |
1da177e4 | 630 | decode_putfh_maxsz + \ |
778d2817 | 631 | decode_remove_maxsz) |
1da177e4 | 632 | #define NFS4_enc_rename_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 633 | encode_sequence_maxsz + \ |
1da177e4 LT |
634 | encode_putfh_maxsz + \ |
635 | encode_savefh_maxsz + \ | |
636 | encode_putfh_maxsz + \ | |
778d2817 | 637 | encode_rename_maxsz) |
1da177e4 | 638 | #define NFS4_dec_rename_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 639 | decode_sequence_maxsz + \ |
1da177e4 LT |
640 | decode_putfh_maxsz + \ |
641 | decode_savefh_maxsz + \ | |
642 | decode_putfh_maxsz + \ | |
778d2817 | 643 | decode_rename_maxsz) |
1da177e4 | 644 | #define NFS4_enc_link_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 645 | encode_sequence_maxsz + \ |
1da177e4 LT |
646 | encode_putfh_maxsz + \ |
647 | encode_savefh_maxsz + \ | |
648 | encode_putfh_maxsz + \ | |
91ba2eee | 649 | encode_link_maxsz + \ |
91ba2eee | 650 | encode_restorefh_maxsz + \ |
a9f6991b | 651 | encode_getattr_maxsz) |
1da177e4 | 652 | #define NFS4_dec_link_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 653 | decode_sequence_maxsz + \ |
1da177e4 LT |
654 | decode_putfh_maxsz + \ |
655 | decode_savefh_maxsz + \ | |
656 | decode_putfh_maxsz + \ | |
91ba2eee | 657 | decode_link_maxsz + \ |
91ba2eee TM |
658 | decode_restorefh_maxsz + \ |
659 | decode_getattr_maxsz) | |
1da177e4 | 660 | #define NFS4_enc_symlink_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 661 | encode_sequence_maxsz + \ |
1da177e4 LT |
662 | encode_putfh_maxsz + \ |
663 | encode_symlink_maxsz + \ | |
664 | encode_getattr_maxsz + \ | |
665 | encode_getfh_maxsz) | |
666 | #define NFS4_dec_symlink_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 667 | decode_sequence_maxsz + \ |
1da177e4 LT |
668 | decode_putfh_maxsz + \ |
669 | decode_symlink_maxsz + \ | |
670 | decode_getattr_maxsz + \ | |
671 | decode_getfh_maxsz) | |
672 | #define NFS4_enc_create_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 673 | encode_sequence_maxsz + \ |
1da177e4 LT |
674 | encode_putfh_maxsz + \ |
675 | encode_create_maxsz + \ | |
56ae19f3 | 676 | encode_getfh_maxsz + \ |
56ae19f3 | 677 | encode_getattr_maxsz) |
1da177e4 | 678 | #define NFS4_dec_create_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 679 | decode_sequence_maxsz + \ |
1da177e4 LT |
680 | decode_putfh_maxsz + \ |
681 | decode_create_maxsz + \ | |
56ae19f3 | 682 | decode_getfh_maxsz + \ |
56ae19f3 | 683 | decode_getattr_maxsz) |
1da177e4 | 684 | #define NFS4_enc_pathconf_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 685 | encode_sequence_maxsz + \ |
1da177e4 LT |
686 | encode_putfh_maxsz + \ |
687 | encode_getattr_maxsz) | |
688 | #define NFS4_dec_pathconf_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 689 | decode_sequence_maxsz + \ |
1da177e4 LT |
690 | decode_putfh_maxsz + \ |
691 | decode_getattr_maxsz) | |
692 | #define NFS4_enc_statfs_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 693 | encode_sequence_maxsz + \ |
1da177e4 | 694 | encode_putfh_maxsz + \ |
9104a55d | 695 | encode_statfs_maxsz) |
1da177e4 | 696 | #define NFS4_dec_statfs_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 697 | decode_sequence_maxsz + \ |
1da177e4 | 698 | decode_putfh_maxsz + \ |
9104a55d | 699 | decode_statfs_maxsz) |
1da177e4 | 700 | #define NFS4_enc_server_caps_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 701 | encode_sequence_maxsz + \ |
ab91f264 | 702 | encode_putfh_maxsz + \ |
1da177e4 LT |
703 | encode_getattr_maxsz) |
704 | #define NFS4_dec_server_caps_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 705 | decode_sequence_maxsz + \ |
ab91f264 | 706 | decode_putfh_maxsz + \ |
1da177e4 LT |
707 | decode_getattr_maxsz) |
708 | #define NFS4_enc_delegreturn_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 709 | encode_sequence_maxsz + \ |
1da177e4 | 710 | encode_putfh_maxsz + \ |
fa178f29 TM |
711 | encode_delegreturn_maxsz + \ |
712 | encode_getattr_maxsz) | |
1da177e4 | 713 | #define NFS4_dec_delegreturn_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 714 | decode_sequence_maxsz + \ |
fa178f29 TM |
715 | decode_delegreturn_maxsz + \ |
716 | decode_getattr_maxsz) | |
029d105e | 717 | #define NFS4_enc_getacl_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 718 | encode_sequence_maxsz + \ |
029d105e | 719 | encode_putfh_maxsz + \ |
9104a55d | 720 | encode_getacl_maxsz) |
029d105e | 721 | #define NFS4_dec_getacl_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 722 | decode_sequence_maxsz + \ |
029d105e | 723 | decode_putfh_maxsz + \ |
9104a55d | 724 | decode_getacl_maxsz) |
23ec6965 | 725 | #define NFS4_enc_setacl_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 726 | encode_sequence_maxsz + \ |
23ec6965 | 727 | encode_putfh_maxsz + \ |
9104a55d | 728 | encode_setacl_maxsz) |
23ec6965 | 729 | #define NFS4_dec_setacl_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 730 | decode_sequence_maxsz + \ |
23ec6965 | 731 | decode_putfh_maxsz + \ |
9104a55d | 732 | decode_setacl_maxsz) |
683b57b4 TM |
733 | #define NFS4_enc_fs_locations_sz \ |
734 | (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 735 | encode_sequence_maxsz + \ |
683b57b4 | 736 | encode_putfh_maxsz + \ |
e6889620 | 737 | encode_lookup_maxsz + \ |
b03d735b CL |
738 | encode_fs_locations_maxsz + \ |
739 | encode_renew_maxsz) | |
683b57b4 TM |
740 | #define NFS4_dec_fs_locations_sz \ |
741 | (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 742 | decode_sequence_maxsz + \ |
683b57b4 | 743 | decode_putfh_maxsz + \ |
e6889620 | 744 | decode_lookup_maxsz + \ |
b03d735b CL |
745 | decode_fs_locations_maxsz + \ |
746 | decode_renew_maxsz) | |
5a5ea0d4 BS |
747 | #define NFS4_enc_secinfo_sz (compound_encode_hdr_maxsz + \ |
748 | encode_sequence_maxsz + \ | |
749 | encode_putfh_maxsz + \ | |
750 | encode_secinfo_maxsz) | |
751 | #define NFS4_dec_secinfo_sz (compound_decode_hdr_maxsz + \ | |
752 | decode_sequence_maxsz + \ | |
753 | decode_putfh_maxsz + \ | |
754 | decode_secinfo_maxsz) | |
44c99933 CL |
755 | #define NFS4_enc_fsid_present_sz \ |
756 | (compound_encode_hdr_maxsz + \ | |
757 | encode_sequence_maxsz + \ | |
758 | encode_putfh_maxsz + \ | |
759 | encode_getfh_maxsz + \ | |
760 | encode_renew_maxsz) | |
761 | #define NFS4_dec_fsid_present_sz \ | |
762 | (compound_decode_hdr_maxsz + \ | |
763 | decode_sequence_maxsz + \ | |
764 | decode_putfh_maxsz + \ | |
765 | decode_getfh_maxsz + \ | |
766 | decode_renew_maxsz) | |
99fe60d0 | 767 | #if defined(CONFIG_NFS_V4_1) |
7c44f1ae WAA |
768 | #define NFS4_enc_bind_conn_to_session_sz \ |
769 | (compound_encode_hdr_maxsz + \ | |
770 | encode_bind_conn_to_session_maxsz) | |
771 | #define NFS4_dec_bind_conn_to_session_sz \ | |
772 | (compound_decode_hdr_maxsz + \ | |
773 | decode_bind_conn_to_session_maxsz) | |
99fe60d0 BH |
774 | #define NFS4_enc_exchange_id_sz \ |
775 | (compound_encode_hdr_maxsz + \ | |
776 | encode_exchange_id_maxsz) | |
777 | #define NFS4_dec_exchange_id_sz \ | |
778 | (compound_decode_hdr_maxsz + \ | |
779 | decode_exchange_id_maxsz) | |
fc931582 AA |
780 | #define NFS4_enc_create_session_sz \ |
781 | (compound_encode_hdr_maxsz + \ | |
782 | encode_create_session_maxsz) | |
783 | #define NFS4_dec_create_session_sz \ | |
784 | (compound_decode_hdr_maxsz + \ | |
785 | decode_create_session_maxsz) | |
0f3e66c6 AA |
786 | #define NFS4_enc_destroy_session_sz (compound_encode_hdr_maxsz + \ |
787 | encode_destroy_session_maxsz) | |
788 | #define NFS4_dec_destroy_session_sz (compound_decode_hdr_maxsz + \ | |
789 | decode_destroy_session_maxsz) | |
66245539 TM |
790 | #define NFS4_enc_destroy_clientid_sz (compound_encode_hdr_maxsz + \ |
791 | encode_destroy_clientid_maxsz) | |
792 | #define NFS4_dec_destroy_clientid_sz (compound_decode_hdr_maxsz + \ | |
793 | decode_destroy_clientid_maxsz) | |
fc01cea9 AA |
794 | #define NFS4_enc_sequence_sz \ |
795 | (compound_decode_hdr_maxsz + \ | |
796 | encode_sequence_maxsz) | |
797 | #define NFS4_dec_sequence_sz \ | |
798 | (compound_decode_hdr_maxsz + \ | |
799 | decode_sequence_maxsz) | |
2050f0cc AA |
800 | #define NFS4_enc_get_lease_time_sz (compound_encode_hdr_maxsz + \ |
801 | encode_sequence_maxsz + \ | |
802 | encode_putrootfh_maxsz + \ | |
803 | encode_fsinfo_maxsz) | |
804 | #define NFS4_dec_get_lease_time_sz (compound_decode_hdr_maxsz + \ | |
805 | decode_sequence_maxsz + \ | |
806 | decode_putrootfh_maxsz + \ | |
807 | decode_fsinfo_maxsz) | |
18019753 RL |
808 | #define NFS4_enc_reclaim_complete_sz (compound_encode_hdr_maxsz + \ |
809 | encode_sequence_maxsz + \ | |
810 | encode_reclaim_complete_maxsz) | |
811 | #define NFS4_dec_reclaim_complete_sz (compound_decode_hdr_maxsz + \ | |
812 | decode_sequence_maxsz + \ | |
813 | decode_reclaim_complete_maxsz) | |
b1f69b75 AA |
814 | #define NFS4_enc_getdeviceinfo_sz (compound_encode_hdr_maxsz + \ |
815 | encode_sequence_maxsz +\ | |
816 | encode_getdeviceinfo_maxsz) | |
817 | #define NFS4_dec_getdeviceinfo_sz (compound_decode_hdr_maxsz + \ | |
818 | decode_sequence_maxsz + \ | |
819 | decode_getdeviceinfo_maxsz) | |
820 | #define NFS4_enc_layoutget_sz (compound_encode_hdr_maxsz + \ | |
821 | encode_sequence_maxsz + \ | |
822 | encode_putfh_maxsz + \ | |
823 | encode_layoutget_maxsz) | |
824 | #define NFS4_dec_layoutget_sz (compound_decode_hdr_maxsz + \ | |
825 | decode_sequence_maxsz + \ | |
826 | decode_putfh_maxsz + \ | |
827 | decode_layoutget_maxsz) | |
863a3c6c AA |
828 | #define NFS4_enc_layoutcommit_sz (compound_encode_hdr_maxsz + \ |
829 | encode_sequence_maxsz +\ | |
830 | encode_putfh_maxsz + \ | |
831 | encode_layoutcommit_maxsz + \ | |
832 | encode_getattr_maxsz) | |
833 | #define NFS4_dec_layoutcommit_sz (compound_decode_hdr_maxsz + \ | |
834 | decode_sequence_maxsz + \ | |
835 | decode_putfh_maxsz + \ | |
836 | decode_layoutcommit_maxsz + \ | |
837 | decode_getattr_maxsz) | |
cbe82603 BH |
838 | #define NFS4_enc_layoutreturn_sz (compound_encode_hdr_maxsz + \ |
839 | encode_sequence_maxsz + \ | |
840 | encode_putfh_maxsz + \ | |
841 | encode_layoutreturn_maxsz) | |
842 | #define NFS4_dec_layoutreturn_sz (compound_decode_hdr_maxsz + \ | |
843 | decode_sequence_maxsz + \ | |
844 | decode_putfh_maxsz + \ | |
845 | decode_layoutreturn_maxsz) | |
fca78d6d BS |
846 | #define NFS4_enc_secinfo_no_name_sz (compound_encode_hdr_maxsz + \ |
847 | encode_sequence_maxsz + \ | |
848 | encode_putrootfh_maxsz +\ | |
849 | encode_secinfo_no_name_maxsz) | |
850 | #define NFS4_dec_secinfo_no_name_sz (compound_decode_hdr_maxsz + \ | |
851 | decode_sequence_maxsz + \ | |
852 | decode_putrootfh_maxsz + \ | |
853 | decode_secinfo_no_name_maxsz) | |
7d974794 BS |
854 | #define NFS4_enc_test_stateid_sz (compound_encode_hdr_maxsz + \ |
855 | encode_sequence_maxsz + \ | |
856 | encode_test_stateid_maxsz) | |
857 | #define NFS4_dec_test_stateid_sz (compound_decode_hdr_maxsz + \ | |
858 | decode_sequence_maxsz + \ | |
859 | decode_test_stateid_maxsz) | |
9aeda35f BS |
860 | #define NFS4_enc_free_stateid_sz (compound_encode_hdr_maxsz + \ |
861 | encode_sequence_maxsz + \ | |
862 | encode_free_stateid_maxsz) | |
863 | #define NFS4_dec_free_stateid_sz (compound_decode_hdr_maxsz + \ | |
864 | decode_sequence_maxsz + \ | |
865 | decode_free_stateid_maxsz) | |
2449ea2e AB |
866 | |
867 | const u32 nfs41_maxwrite_overhead = ((RPC_MAX_HEADER_WITH_AUTH + | |
868 | compound_encode_hdr_maxsz + | |
869 | encode_sequence_maxsz + | |
870 | encode_putfh_maxsz + | |
871 | encode_getattr_maxsz) * | |
872 | XDR_UNIT); | |
873 | ||
874 | const u32 nfs41_maxread_overhead = ((RPC_MAX_HEADER_WITH_AUTH + | |
875 | compound_decode_hdr_maxsz + | |
876 | decode_sequence_maxsz + | |
877 | decode_putfh_maxsz) * | |
878 | XDR_UNIT); | |
f1c097be AA |
879 | |
880 | const u32 nfs41_maxgetdevinfo_overhead = ((RPC_MAX_REPHEADER_WITH_AUTH + | |
881 | compound_decode_hdr_maxsz + | |
882 | decode_sequence_maxsz) * | |
883 | XDR_UNIT); | |
884 | EXPORT_SYMBOL_GPL(nfs41_maxgetdevinfo_overhead); | |
99fe60d0 | 885 | #endif /* CONFIG_NFS_V4_1 */ |
1da177e4 | 886 | |
bca79478 TM |
887 | static const umode_t nfs_type2fmt[] = { |
888 | [NF4BAD] = 0, | |
889 | [NF4REG] = S_IFREG, | |
890 | [NF4DIR] = S_IFDIR, | |
891 | [NF4BLK] = S_IFBLK, | |
892 | [NF4CHR] = S_IFCHR, | |
893 | [NF4LNK] = S_IFLNK, | |
894 | [NF4SOCK] = S_IFSOCK, | |
895 | [NF4FIFO] = S_IFIFO, | |
896 | [NF4ATTRDIR] = 0, | |
897 | [NF4NAMEDATTR] = 0, | |
1da177e4 LT |
898 | }; |
899 | ||
900 | struct compound_hdr { | |
901 | int32_t status; | |
902 | uint32_t nops; | |
d017931c | 903 | __be32 * nops_p; |
1da177e4 LT |
904 | uint32_t taglen; |
905 | char * tag; | |
0c4e8c18 | 906 | uint32_t replen; /* expected reply words */ |
66cc0429 | 907 | u32 minorversion; |
1da177e4 LT |
908 | }; |
909 | ||
13c65ce9 BH |
910 | static __be32 *reserve_space(struct xdr_stream *xdr, size_t nbytes) |
911 | { | |
912 | __be32 *p = xdr_reserve_space(xdr, nbytes); | |
913 | BUG_ON(!p); | |
914 | return p; | |
915 | } | |
1da177e4 | 916 | |
cb17e556 TM |
917 | static void encode_opaque_fixed(struct xdr_stream *xdr, const void *buf, size_t len) |
918 | { | |
919 | __be32 *p; | |
920 | ||
921 | p = xdr_reserve_space(xdr, len); | |
922 | xdr_encode_opaque_fixed(p, buf, len); | |
923 | } | |
924 | ||
1da177e4 LT |
925 | static void encode_string(struct xdr_stream *xdr, unsigned int len, const char *str) |
926 | { | |
8687b63a | 927 | __be32 *p; |
1da177e4 | 928 | |
6fdfb0bc | 929 | p = reserve_space(xdr, 4 + len); |
1da177e4 LT |
930 | xdr_encode_opaque(p, str, len); |
931 | } | |
932 | ||
4ade9821 TM |
933 | static void encode_uint32(struct xdr_stream *xdr, u32 n) |
934 | { | |
935 | __be32 *p; | |
936 | ||
937 | p = reserve_space(xdr, 4); | |
938 | *p = cpu_to_be32(n); | |
939 | } | |
940 | ||
ff2eb681 TM |
941 | static void encode_uint64(struct xdr_stream *xdr, u64 n) |
942 | { | |
943 | __be32 *p; | |
944 | ||
945 | p = reserve_space(xdr, 8); | |
946 | xdr_encode_hyper(p, n); | |
947 | } | |
948 | ||
4ade9821 TM |
949 | static void encode_nfs4_seqid(struct xdr_stream *xdr, |
950 | const struct nfs_seqid *seqid) | |
951 | { | |
a6796419 TM |
952 | if (seqid != NULL) |
953 | encode_uint32(xdr, seqid->sequence->counter); | |
954 | else | |
955 | encode_uint32(xdr, 0); | |
4ade9821 TM |
956 | } |
957 | ||
0c4e8c18 BH |
958 | static void encode_compound_hdr(struct xdr_stream *xdr, |
959 | struct rpc_rqst *req, | |
960 | struct compound_hdr *hdr) | |
1da177e4 | 961 | { |
8687b63a | 962 | __be32 *p; |
a17c2153 | 963 | struct rpc_auth *auth = req->rq_cred->cr_auth; |
0c4e8c18 BH |
964 | |
965 | /* initialize running count of expected bytes in reply. | |
966 | * NOTE: the replied tag SHOULD be the same is the one sent, | |
967 | * but this is not required as a MUST for the server to do so. */ | |
968 | hdr->replen = RPC_REPHDRSIZE + auth->au_rslack + 3 + hdr->taglen; | |
1da177e4 | 969 | |
7fc38846 | 970 | WARN_ON_ONCE(hdr->taglen > NFS4_MAXTAGLEN); |
6fdfb0bc TM |
971 | encode_string(xdr, hdr->taglen, hdr->tag); |
972 | p = reserve_space(xdr, 8); | |
e75bc1c8 | 973 | *p++ = cpu_to_be32(hdr->minorversion); |
d017931c | 974 | hdr->nops_p = p; |
34558513 | 975 | *p = cpu_to_be32(hdr->nops); |
d017931c AA |
976 | } |
977 | ||
ab19b481 TM |
978 | static void encode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 op, |
979 | uint32_t replen, | |
980 | struct compound_hdr *hdr) | |
981 | { | |
982 | encode_uint32(xdr, op); | |
983 | hdr->nops++; | |
984 | hdr->replen += replen; | |
985 | } | |
986 | ||
d017931c AA |
987 | static void encode_nops(struct compound_hdr *hdr) |
988 | { | |
7fc38846 | 989 | WARN_ON_ONCE(hdr->nops > NFS4_MAX_OPS); |
d017931c | 990 | *hdr->nops_p = htonl(hdr->nops); |
1da177e4 LT |
991 | } |
992 | ||
ea9d23f5 TM |
993 | static void encode_nfs4_stateid(struct xdr_stream *xdr, const nfs4_stateid *stateid) |
994 | { | |
2d2f24ad | 995 | encode_opaque_fixed(xdr, stateid, NFS4_STATEID_SIZE); |
ea9d23f5 TM |
996 | } |
997 | ||
1da177e4 LT |
998 | static void encode_nfs4_verifier(struct xdr_stream *xdr, const nfs4_verifier *verf) |
999 | { | |
cb17e556 | 1000 | encode_opaque_fixed(xdr, verf->data, NFS4_VERIFIER_SIZE); |
1da177e4 LT |
1001 | } |
1002 | ||
aa9c2669 DQ |
1003 | static void encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, |
1004 | const struct nfs4_label *label, | |
5334c5bd KM |
1005 | const struct nfs_server *server, |
1006 | bool excl_check) | |
1da177e4 LT |
1007 | { |
1008 | char owner_name[IDMAP_NAMESZ]; | |
1009 | char owner_group[IDMAP_NAMESZ]; | |
1010 | int owner_namelen = 0; | |
1011 | int owner_grouplen = 0; | |
8687b63a | 1012 | __be32 *p; |
d7067b2d TM |
1013 | unsigned i; |
1014 | uint32_t len = 0; | |
1015 | uint32_t bmval_len; | |
1016 | uint32_t bmval[3] = { 0 }; | |
1da177e4 LT |
1017 | |
1018 | /* | |
1019 | * We reserve enough space to write the entire attribute buffer at once. | |
1020 | * In the worst-case, this would be | |
a09df2ca DQ |
1021 | * 16(bitmap) + 4(attrlen) + 8(size) + 4(mode) + 4(atime) + 4(mtime) |
1022 | * = 40 bytes, plus any contribution from variable-length fields | |
23ec6965 | 1023 | * such as owner/group. |
1da177e4 | 1024 | */ |
d7067b2d TM |
1025 | if (iap->ia_valid & ATTR_SIZE) { |
1026 | bmval[0] |= FATTR4_WORD0_SIZE; | |
1da177e4 | 1027 | len += 8; |
d7067b2d TM |
1028 | } |
1029 | if (iap->ia_valid & ATTR_MODE) { | |
1030 | bmval[1] |= FATTR4_WORD1_MODE; | |
1da177e4 | 1031 | len += 4; |
d7067b2d | 1032 | } |
1da177e4 | 1033 | if (iap->ia_valid & ATTR_UID) { |
e4fd72a1 | 1034 | owner_namelen = nfs_map_uid_to_name(server, iap->ia_uid, owner_name, IDMAP_NAMESZ); |
1da177e4 | 1035 | if (owner_namelen < 0) { |
fe82a183 | 1036 | dprintk("nfs: couldn't resolve uid %d to string\n", |
e5782076 | 1037 | from_kuid(&init_user_ns, iap->ia_uid)); |
1da177e4 LT |
1038 | /* XXX */ |
1039 | strcpy(owner_name, "nobody"); | |
1040 | owner_namelen = sizeof("nobody") - 1; | |
1041 | /* goto out; */ | |
1042 | } | |
d7067b2d | 1043 | bmval[1] |= FATTR4_WORD1_OWNER; |
1da177e4 LT |
1044 | len += 4 + (XDR_QUADLEN(owner_namelen) << 2); |
1045 | } | |
1046 | if (iap->ia_valid & ATTR_GID) { | |
e4fd72a1 | 1047 | owner_grouplen = nfs_map_gid_to_group(server, iap->ia_gid, owner_group, IDMAP_NAMESZ); |
1da177e4 | 1048 | if (owner_grouplen < 0) { |
fe82a183 | 1049 | dprintk("nfs: couldn't resolve gid %d to string\n", |
e5782076 | 1050 | from_kgid(&init_user_ns, iap->ia_gid)); |
1da177e4 LT |
1051 | strcpy(owner_group, "nobody"); |
1052 | owner_grouplen = sizeof("nobody") - 1; | |
1053 | /* goto out; */ | |
1054 | } | |
d7067b2d | 1055 | bmval[1] |= FATTR4_WORD1_OWNER_GROUP; |
1da177e4 LT |
1056 | len += 4 + (XDR_QUADLEN(owner_grouplen) << 2); |
1057 | } | |
d7067b2d TM |
1058 | if (iap->ia_valid & ATTR_ATIME_SET) { |
1059 | bmval[1] |= FATTR4_WORD1_TIME_ACCESS_SET; | |
1da177e4 | 1060 | len += 16; |
d7067b2d TM |
1061 | } else if (iap->ia_valid & ATTR_ATIME) { |
1062 | bmval[1] |= FATTR4_WORD1_TIME_ACCESS_SET; | |
1da177e4 | 1063 | len += 4; |
d7067b2d TM |
1064 | } |
1065 | if (iap->ia_valid & ATTR_MTIME_SET) { | |
1066 | bmval[1] |= FATTR4_WORD1_TIME_MODIFY_SET; | |
1da177e4 | 1067 | len += 16; |
d7067b2d TM |
1068 | } else if (iap->ia_valid & ATTR_MTIME) { |
1069 | bmval[1] |= FATTR4_WORD1_TIME_MODIFY_SET; | |
1da177e4 | 1070 | len += 4; |
d7067b2d | 1071 | } |
5334c5bd KM |
1072 | |
1073 | if (excl_check) { | |
1074 | const u32 *excl_bmval = server->exclcreat_bitmask; | |
1075 | bmval[0] &= excl_bmval[0]; | |
1076 | bmval[1] &= excl_bmval[1]; | |
1077 | bmval[2] &= excl_bmval[2]; | |
1078 | ||
1079 | if (!(excl_bmval[2] & FATTR4_WORD2_SECURITY_LABEL)) | |
1080 | label = NULL; | |
1081 | } | |
1082 | ||
b4a2cf76 TM |
1083 | if (label) { |
1084 | len += 4 + 4 + 4 + (XDR_QUADLEN(label->len) << 2); | |
d7067b2d | 1085 | bmval[2] |= FATTR4_WORD2_SECURITY_LABEL; |
b4a2cf76 TM |
1086 | } |
1087 | ||
d7067b2d TM |
1088 | if (bmval[2] != 0) |
1089 | bmval_len = 3; | |
1090 | else if (bmval[1] != 0) | |
1091 | bmval_len = 2; | |
1092 | else | |
1093 | bmval_len = 1; | |
1094 | ||
1095 | p = reserve_space(xdr, 4 + (bmval_len << 2) + 4 + len); | |
1da177e4 | 1096 | |
b4a2cf76 | 1097 | *p++ = cpu_to_be32(bmval_len); |
d7067b2d TM |
1098 | for (i = 0; i < bmval_len; i++) |
1099 | *p++ = cpu_to_be32(bmval[i]); | |
1100 | *p++ = cpu_to_be32(len); | |
1da177e4 | 1101 | |
d7067b2d | 1102 | if (bmval[0] & FATTR4_WORD0_SIZE) |
b95be5a9 | 1103 | p = xdr_encode_hyper(p, iap->ia_size); |
d7067b2d | 1104 | if (bmval[1] & FATTR4_WORD1_MODE) |
e75bc1c8 | 1105 | *p++ = cpu_to_be32(iap->ia_mode & S_IALLUGO); |
d7067b2d | 1106 | if (bmval[1] & FATTR4_WORD1_OWNER) |
811652bd | 1107 | p = xdr_encode_opaque(p, owner_name, owner_namelen); |
d7067b2d | 1108 | if (bmval[1] & FATTR4_WORD1_OWNER_GROUP) |
811652bd | 1109 | p = xdr_encode_opaque(p, owner_group, owner_grouplen); |
d7067b2d TM |
1110 | if (bmval[1] & FATTR4_WORD1_TIME_ACCESS_SET) { |
1111 | if (iap->ia_valid & ATTR_ATIME_SET) { | |
1112 | *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); | |
1113 | p = xdr_encode_hyper(p, (s64)iap->ia_atime.tv_sec); | |
1114 | *p++ = cpu_to_be32(iap->ia_atime.tv_nsec); | |
1115 | } else | |
1116 | *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); | |
1da177e4 | 1117 | } |
d7067b2d TM |
1118 | if (bmval[1] & FATTR4_WORD1_TIME_MODIFY_SET) { |
1119 | if (iap->ia_valid & ATTR_MTIME_SET) { | |
1120 | *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); | |
1121 | p = xdr_encode_hyper(p, (s64)iap->ia_mtime.tv_sec); | |
1122 | *p++ = cpu_to_be32(iap->ia_mtime.tv_nsec); | |
1123 | } else | |
1124 | *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); | |
1da177e4 | 1125 | } |
d7067b2d | 1126 | if (bmval[2] & FATTR4_WORD2_SECURITY_LABEL) { |
aa9c2669 DQ |
1127 | *p++ = cpu_to_be32(label->lfs); |
1128 | *p++ = cpu_to_be32(label->pi); | |
1129 | *p++ = cpu_to_be32(label->len); | |
1130 | p = xdr_encode_opaque_fixed(p, label->label, label->len); | |
1131 | } | |
6c0195a4 | 1132 | |
1da177e4 | 1133 | /* out: */ |
1da177e4 LT |
1134 | } |
1135 | ||
cf8cdbe5 | 1136 | static void encode_access(struct xdr_stream *xdr, u32 access, struct compound_hdr *hdr) |
1da177e4 | 1137 | { |
475d4ba0 TM |
1138 | encode_op_hdr(xdr, OP_ACCESS, decode_access_maxsz, hdr); |
1139 | encode_uint32(xdr, access); | |
1da177e4 LT |
1140 | } |
1141 | ||
cf8cdbe5 | 1142 | static void encode_close(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1143 | { |
ab19b481 | 1144 | encode_op_hdr(xdr, OP_CLOSE, decode_close_maxsz, hdr); |
4ade9821 | 1145 | encode_nfs4_seqid(xdr, arg->seqid); |
566fcec6 | 1146 | encode_nfs4_stateid(xdr, &arg->stateid); |
1da177e4 LT |
1147 | } |
1148 | ||
0b7c0153 | 1149 | static void encode_commit(struct xdr_stream *xdr, const struct nfs_commitargs *args, struct compound_hdr *hdr) |
1da177e4 | 1150 | { |
8687b63a | 1151 | __be32 *p; |
6c0195a4 | 1152 | |
475d4ba0 TM |
1153 | encode_op_hdr(xdr, OP_COMMIT, decode_commit_maxsz, hdr); |
1154 | p = reserve_space(xdr, 12); | |
b95be5a9 | 1155 | p = xdr_encode_hyper(p, args->offset); |
34558513 | 1156 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1157 | } |
1158 | ||
cf8cdbe5 | 1159 | static void encode_create(struct xdr_stream *xdr, const struct nfs4_create_arg *create, struct compound_hdr *hdr) |
1da177e4 | 1160 | { |
8687b63a | 1161 | __be32 *p; |
6c0195a4 | 1162 | |
475d4ba0 TM |
1163 | encode_op_hdr(xdr, OP_CREATE, decode_create_maxsz, hdr); |
1164 | encode_uint32(xdr, create->ftype); | |
1da177e4 LT |
1165 | |
1166 | switch (create->ftype) { | |
1167 | case NF4LNK: | |
13c65ce9 | 1168 | p = reserve_space(xdr, 4); |
34558513 | 1169 | *p = cpu_to_be32(create->u.symlink.len); |
2fcc213a CL |
1170 | xdr_write_pages(xdr, create->u.symlink.pages, 0, |
1171 | create->u.symlink.len); | |
1172 | xdr->buf->flags |= XDRBUF_WRITE; | |
1da177e4 LT |
1173 | break; |
1174 | ||
1175 | case NF4BLK: case NF4CHR: | |
13c65ce9 | 1176 | p = reserve_space(xdr, 8); |
e75bc1c8 | 1177 | *p++ = cpu_to_be32(create->u.device.specdata1); |
34558513 | 1178 | *p = cpu_to_be32(create->u.device.specdata2); |
1da177e4 LT |
1179 | break; |
1180 | ||
1181 | default: | |
1182 | break; | |
1183 | } | |
1184 | ||
811652bd | 1185 | encode_string(xdr, create->name->len, create->name->name); |
5334c5bd | 1186 | encode_attrs(xdr, create->attrs, create->label, create->server, false); |
1da177e4 LT |
1187 | } |
1188 | ||
cf8cdbe5 | 1189 | static void encode_getattr_one(struct xdr_stream *xdr, uint32_t bitmap, struct compound_hdr *hdr) |
1da177e4 | 1190 | { |
05d564fe | 1191 | __be32 *p; |
1da177e4 | 1192 | |
475d4ba0 TM |
1193 | encode_op_hdr(xdr, OP_GETATTR, decode_getattr_maxsz, hdr); |
1194 | p = reserve_space(xdr, 8); | |
e75bc1c8 | 1195 | *p++ = cpu_to_be32(1); |
34558513 | 1196 | *p = cpu_to_be32(bitmap); |
1da177e4 LT |
1197 | } |
1198 | ||
cf8cdbe5 | 1199 | static void encode_getattr_two(struct xdr_stream *xdr, uint32_t bm0, uint32_t bm1, struct compound_hdr *hdr) |
1da177e4 | 1200 | { |
05d564fe | 1201 | __be32 *p; |
1da177e4 | 1202 | |
475d4ba0 TM |
1203 | encode_op_hdr(xdr, OP_GETATTR, decode_getattr_maxsz, hdr); |
1204 | p = reserve_space(xdr, 12); | |
e75bc1c8 BH |
1205 | *p++ = cpu_to_be32(2); |
1206 | *p++ = cpu_to_be32(bm0); | |
34558513 | 1207 | *p = cpu_to_be32(bm1); |
1da177e4 LT |
1208 | } |
1209 | ||
dae100c2 FI |
1210 | static void |
1211 | encode_getattr_three(struct xdr_stream *xdr, | |
1212 | uint32_t bm0, uint32_t bm1, uint32_t bm2, | |
1213 | struct compound_hdr *hdr) | |
1214 | { | |
1215 | __be32 *p; | |
1216 | ||
ab19b481 | 1217 | encode_op_hdr(xdr, OP_GETATTR, decode_getattr_maxsz, hdr); |
dae100c2 FI |
1218 | if (bm2) { |
1219 | p = reserve_space(xdr, 16); | |
1220 | *p++ = cpu_to_be32(3); | |
1221 | *p++ = cpu_to_be32(bm0); | |
1222 | *p++ = cpu_to_be32(bm1); | |
1223 | *p = cpu_to_be32(bm2); | |
1224 | } else if (bm1) { | |
1225 | p = reserve_space(xdr, 12); | |
1226 | *p++ = cpu_to_be32(2); | |
1227 | *p++ = cpu_to_be32(bm0); | |
1228 | *p = cpu_to_be32(bm1); | |
1229 | } else { | |
1230 | p = reserve_space(xdr, 8); | |
1231 | *p++ = cpu_to_be32(1); | |
1232 | *p = cpu_to_be32(bm0); | |
1233 | } | |
dae100c2 FI |
1234 | } |
1235 | ||
cf8cdbe5 | 1236 | static void encode_getfattr(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
1da177e4 | 1237 | { |
a09df2ca DQ |
1238 | encode_getattr_three(xdr, bitmask[0] & nfs4_fattr_bitmap[0], |
1239 | bitmask[1] & nfs4_fattr_bitmap[1], | |
1240 | bitmask[2] & nfs4_fattr_bitmap[2], | |
1241 | hdr); | |
1da177e4 LT |
1242 | } |
1243 | ||
88034c3d | 1244 | static void encode_getfattr_open(struct xdr_stream *xdr, const u32 *bitmask, |
1549210f | 1245 | const u32 *open_bitmap, |
88034c3d AA |
1246 | struct compound_hdr *hdr) |
1247 | { | |
1248 | encode_getattr_three(xdr, | |
1549210f TM |
1249 | bitmask[0] & open_bitmap[0], |
1250 | bitmask[1] & open_bitmap[1], | |
1251 | bitmask[2] & open_bitmap[2], | |
88034c3d AA |
1252 | hdr); |
1253 | } | |
1254 | ||
cf8cdbe5 | 1255 | static void encode_fsinfo(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
1da177e4 | 1256 | { |
dae100c2 FI |
1257 | encode_getattr_three(xdr, |
1258 | bitmask[0] & nfs4_fsinfo_bitmap[0], | |
1259 | bitmask[1] & nfs4_fsinfo_bitmap[1], | |
1260 | bitmask[2] & nfs4_fsinfo_bitmap[2], | |
1261 | hdr); | |
1da177e4 LT |
1262 | } |
1263 | ||
cf8cdbe5 | 1264 | static void encode_fs_locations(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
830b8e33 | 1265 | { |
cf8cdbe5 AA |
1266 | encode_getattr_two(xdr, bitmask[0] & nfs4_fs_locations_bitmap[0], |
1267 | bitmask[1] & nfs4_fs_locations_bitmap[1], hdr); | |
830b8e33 MN |
1268 | } |
1269 | ||
cf8cdbe5 | 1270 | static void encode_getfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1271 | { |
ab19b481 | 1272 | encode_op_hdr(xdr, OP_GETFH, decode_getfh_maxsz, hdr); |
1da177e4 LT |
1273 | } |
1274 | ||
cf8cdbe5 | 1275 | static void encode_link(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1276 | { |
ab19b481 | 1277 | encode_op_hdr(xdr, OP_LINK, decode_link_maxsz, hdr); |
6fdfb0bc | 1278 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1279 | } |
1280 | ||
911d1aaf TM |
1281 | static inline int nfs4_lock_type(struct file_lock *fl, int block) |
1282 | { | |
f44106e2 | 1283 | if (fl->fl_type == F_RDLCK) |
911d1aaf TM |
1284 | return block ? NFS4_READW_LT : NFS4_READ_LT; |
1285 | return block ? NFS4_WRITEW_LT : NFS4_WRITE_LT; | |
1286 | } | |
1287 | ||
1288 | static inline uint64_t nfs4_lock_length(struct file_lock *fl) | |
1289 | { | |
1290 | if (fl->fl_end == OFFSET_MAX) | |
1291 | return ~(uint64_t)0; | |
1292 | return fl->fl_end - fl->fl_start + 1; | |
1293 | } | |
1294 | ||
daccbded TM |
1295 | static void encode_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner) |
1296 | { | |
1297 | __be32 *p; | |
1298 | ||
d035c36c | 1299 | p = reserve_space(xdr, 32); |
daccbded | 1300 | p = xdr_encode_hyper(p, lowner->clientid); |
d035c36c | 1301 | *p++ = cpu_to_be32(20); |
daccbded | 1302 | p = xdr_encode_opaque_fixed(p, "lock id:", 8); |
d035c36c | 1303 | *p++ = cpu_to_be32(lowner->s_dev); |
daccbded TM |
1304 | xdr_encode_hyper(p, lowner->id); |
1305 | } | |
1306 | ||
1da177e4 LT |
1307 | /* |
1308 | * opcode,type,reclaim,offset,length,new_lock_owner = 32 | |
1309 | * open_seqid,open_stateid,lock_seqid,lock_owner.clientid, lock_owner.id = 40 | |
1310 | */ | |
cf8cdbe5 | 1311 | static void encode_lock(struct xdr_stream *xdr, const struct nfs_lock_args *args, struct compound_hdr *hdr) |
1da177e4 | 1312 | { |
8687b63a | 1313 | __be32 *p; |
1da177e4 | 1314 | |
475d4ba0 TM |
1315 | encode_op_hdr(xdr, OP_LOCK, decode_lock_maxsz, hdr); |
1316 | p = reserve_space(xdr, 28); | |
e75bc1c8 BH |
1317 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, args->block)); |
1318 | *p++ = cpu_to_be32(args->reclaim); | |
b95be5a9 BH |
1319 | p = xdr_encode_hyper(p, args->fl->fl_start); |
1320 | p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); | |
34558513 | 1321 | *p = cpu_to_be32(args->new_lock_owner); |
911d1aaf | 1322 | if (args->new_lock_owner){ |
4ade9821 | 1323 | encode_nfs4_seqid(xdr, args->open_seqid); |
425c1d4e | 1324 | encode_nfs4_stateid(xdr, &args->open_stateid); |
4ade9821 | 1325 | encode_nfs4_seqid(xdr, args->lock_seqid); |
daccbded | 1326 | encode_lockowner(xdr, &args->lock_owner); |
1da177e4 LT |
1327 | } |
1328 | else { | |
425c1d4e | 1329 | encode_nfs4_stateid(xdr, &args->lock_stateid); |
4ade9821 | 1330 | encode_nfs4_seqid(xdr, args->lock_seqid); |
1da177e4 | 1331 | } |
1da177e4 LT |
1332 | } |
1333 | ||
cf8cdbe5 | 1334 | static void encode_lockt(struct xdr_stream *xdr, const struct nfs_lockt_args *args, struct compound_hdr *hdr) |
1da177e4 | 1335 | { |
8687b63a | 1336 | __be32 *p; |
1da177e4 | 1337 | |
475d4ba0 TM |
1338 | encode_op_hdr(xdr, OP_LOCKT, decode_lockt_maxsz, hdr); |
1339 | p = reserve_space(xdr, 20); | |
e75bc1c8 | 1340 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, 0)); |
b95be5a9 BH |
1341 | p = xdr_encode_hyper(p, args->fl->fl_start); |
1342 | p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); | |
daccbded | 1343 | encode_lockowner(xdr, &args->lock_owner); |
1da177e4 LT |
1344 | } |
1345 | ||
cf8cdbe5 | 1346 | static void encode_locku(struct xdr_stream *xdr, const struct nfs_locku_args *args, struct compound_hdr *hdr) |
1da177e4 | 1347 | { |
8687b63a | 1348 | __be32 *p; |
1da177e4 | 1349 | |
475d4ba0 TM |
1350 | encode_op_hdr(xdr, OP_LOCKU, decode_locku_maxsz, hdr); |
1351 | encode_uint32(xdr, nfs4_lock_type(args->fl, 0)); | |
4ade9821 | 1352 | encode_nfs4_seqid(xdr, args->seqid); |
425c1d4e | 1353 | encode_nfs4_stateid(xdr, &args->stateid); |
ea9d23f5 | 1354 | p = reserve_space(xdr, 16); |
b95be5a9 | 1355 | p = xdr_encode_hyper(p, args->fl->fl_start); |
34558513 | 1356 | xdr_encode_hyper(p, nfs4_lock_length(args->fl)); |
1da177e4 LT |
1357 | } |
1358 | ||
d3c7b7cc TM |
1359 | static void encode_release_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner, struct compound_hdr *hdr) |
1360 | { | |
ab19b481 | 1361 | encode_op_hdr(xdr, OP_RELEASE_LOCKOWNER, decode_release_lockowner_maxsz, hdr); |
d3c7b7cc | 1362 | encode_lockowner(xdr, lowner); |
d3c7b7cc TM |
1363 | } |
1364 | ||
cf8cdbe5 | 1365 | static void encode_lookup(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1366 | { |
ab19b481 | 1367 | encode_op_hdr(xdr, OP_LOOKUP, decode_lookup_maxsz, hdr); |
6fdfb0bc | 1368 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1369 | } |
1370 | ||
6ae37339 | 1371 | static void encode_share_access(struct xdr_stream *xdr, u32 share_access) |
1da177e4 | 1372 | { |
8687b63a | 1373 | __be32 *p; |
1da177e4 | 1374 | |
13c65ce9 | 1375 | p = reserve_space(xdr, 8); |
6ae37339 | 1376 | *p++ = cpu_to_be32(share_access); |
34558513 | 1377 | *p = cpu_to_be32(0); /* for linux, share_deny = 0 always */ |
1da177e4 LT |
1378 | } |
1379 | ||
1380 | static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1381 | { | |
8687b63a | 1382 | __be32 *p; |
1da177e4 LT |
1383 | /* |
1384 | * opcode 4, seqid 4, share_access 4, share_deny 4, clientid 8, ownerlen 4, | |
1385 | * owner 4 = 32 | |
1386 | */ | |
4ade9821 | 1387 | encode_nfs4_seqid(xdr, arg->seqid); |
6ae37339 | 1388 | encode_share_access(xdr, arg->share_access); |
95b72eb0 | 1389 | p = reserve_space(xdr, 36); |
b95be5a9 | 1390 | p = xdr_encode_hyper(p, arg->clientid); |
95b72eb0 | 1391 | *p++ = cpu_to_be32(24); |
93f0cf25 | 1392 | p = xdr_encode_opaque_fixed(p, "open id:", 8); |
d035c36c | 1393 | *p++ = cpu_to_be32(arg->server->s_dev); |
95b72eb0 TM |
1394 | *p++ = cpu_to_be32(arg->id.uniquifier); |
1395 | xdr_encode_hyper(p, arg->id.create_time); | |
1da177e4 LT |
1396 | } |
1397 | ||
1398 | static inline void encode_createmode(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1399 | { | |
8687b63a | 1400 | __be32 *p; |
1da177e4 | 1401 | |
13c65ce9 | 1402 | p = reserve_space(xdr, 4); |
549b19cc TM |
1403 | switch(arg->createmode) { |
1404 | case NFS4_CREATE_UNCHECKED: | |
34558513 | 1405 | *p = cpu_to_be32(NFS4_CREATE_UNCHECKED); |
5334c5bd | 1406 | encode_attrs(xdr, arg->u.attrs, arg->label, arg->server, false); |
05d564fe | 1407 | break; |
549b19cc TM |
1408 | case NFS4_CREATE_GUARDED: |
1409 | *p = cpu_to_be32(NFS4_CREATE_GUARDED); | |
5334c5bd | 1410 | encode_attrs(xdr, arg->u.attrs, arg->label, arg->server, false); |
549b19cc TM |
1411 | break; |
1412 | case NFS4_CREATE_EXCLUSIVE: | |
1413 | *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE); | |
1414 | encode_nfs4_verifier(xdr, &arg->u.verifier); | |
1415 | break; | |
1416 | case NFS4_CREATE_EXCLUSIVE4_1: | |
1417 | *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE4_1); | |
1418 | encode_nfs4_verifier(xdr, &arg->u.verifier); | |
5334c5bd | 1419 | encode_attrs(xdr, arg->u.attrs, arg->label, arg->server, true); |
1da177e4 LT |
1420 | } |
1421 | } | |
1422 | ||
1423 | static void encode_opentype(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1424 | { | |
8687b63a | 1425 | __be32 *p; |
1da177e4 | 1426 | |
13c65ce9 | 1427 | p = reserve_space(xdr, 4); |
1da177e4 | 1428 | switch (arg->open_flags & O_CREAT) { |
05d564fe | 1429 | case 0: |
34558513 | 1430 | *p = cpu_to_be32(NFS4_OPEN_NOCREATE); |
05d564fe AA |
1431 | break; |
1432 | default: | |
34558513 | 1433 | *p = cpu_to_be32(NFS4_OPEN_CREATE); |
05d564fe | 1434 | encode_createmode(xdr, arg); |
1da177e4 LT |
1435 | } |
1436 | } | |
1437 | ||
bd7bf9d5 | 1438 | static inline void encode_delegation_type(struct xdr_stream *xdr, fmode_t delegation_type) |
1da177e4 | 1439 | { |
8687b63a | 1440 | __be32 *p; |
1da177e4 | 1441 | |
13c65ce9 | 1442 | p = reserve_space(xdr, 4); |
1da177e4 | 1443 | switch (delegation_type) { |
05d564fe | 1444 | case 0: |
34558513 | 1445 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_NONE); |
05d564fe AA |
1446 | break; |
1447 | case FMODE_READ: | |
34558513 | 1448 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_READ); |
05d564fe AA |
1449 | break; |
1450 | case FMODE_WRITE|FMODE_READ: | |
34558513 | 1451 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_WRITE); |
05d564fe AA |
1452 | break; |
1453 | default: | |
1454 | BUG(); | |
1da177e4 LT |
1455 | } |
1456 | } | |
1457 | ||
1458 | static inline void encode_claim_null(struct xdr_stream *xdr, const struct qstr *name) | |
1459 | { | |
8687b63a | 1460 | __be32 *p; |
1da177e4 | 1461 | |
13c65ce9 | 1462 | p = reserve_space(xdr, 4); |
34558513 | 1463 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_NULL); |
1da177e4 LT |
1464 | encode_string(xdr, name->len, name->name); |
1465 | } | |
1466 | ||
bd7bf9d5 | 1467 | static inline void encode_claim_previous(struct xdr_stream *xdr, fmode_t type) |
1da177e4 | 1468 | { |
8687b63a | 1469 | __be32 *p; |
1da177e4 | 1470 | |
13c65ce9 | 1471 | p = reserve_space(xdr, 4); |
34558513 | 1472 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_PREVIOUS); |
1da177e4 LT |
1473 | encode_delegation_type(xdr, type); |
1474 | } | |
1475 | ||
1476 | static inline void encode_claim_delegate_cur(struct xdr_stream *xdr, const struct qstr *name, const nfs4_stateid *stateid) | |
1477 | { | |
8687b63a | 1478 | __be32 *p; |
1da177e4 | 1479 | |
ea9d23f5 TM |
1480 | p = reserve_space(xdr, 4); |
1481 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_DELEGATE_CUR); | |
1482 | encode_nfs4_stateid(xdr, stateid); | |
1da177e4 LT |
1483 | encode_string(xdr, name->len, name->name); |
1484 | } | |
1485 | ||
d9fc6619 TM |
1486 | static inline void encode_claim_fh(struct xdr_stream *xdr) |
1487 | { | |
1488 | __be32 *p; | |
1489 | ||
1490 | p = reserve_space(xdr, 4); | |
1491 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_FH); | |
1492 | } | |
1493 | ||
1494 | static inline void encode_claim_delegate_cur_fh(struct xdr_stream *xdr, const nfs4_stateid *stateid) | |
1495 | { | |
1496 | __be32 *p; | |
1497 | ||
1498 | p = reserve_space(xdr, 4); | |
1499 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_DELEG_CUR_FH); | |
1500 | encode_nfs4_stateid(xdr, stateid); | |
1501 | } | |
1502 | ||
cf8cdbe5 | 1503 | static void encode_open(struct xdr_stream *xdr, const struct nfs_openargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1504 | { |
ab19b481 | 1505 | encode_op_hdr(xdr, OP_OPEN, decode_open_maxsz, hdr); |
1da177e4 LT |
1506 | encode_openhdr(xdr, arg); |
1507 | encode_opentype(xdr, arg); | |
1508 | switch (arg->claim) { | |
05d564fe AA |
1509 | case NFS4_OPEN_CLAIM_NULL: |
1510 | encode_claim_null(xdr, arg->name); | |
1511 | break; | |
1512 | case NFS4_OPEN_CLAIM_PREVIOUS: | |
1513 | encode_claim_previous(xdr, arg->u.delegation_type); | |
1514 | break; | |
1515 | case NFS4_OPEN_CLAIM_DELEGATE_CUR: | |
1516 | encode_claim_delegate_cur(xdr, arg->name, &arg->u.delegation); | |
1517 | break; | |
d9fc6619 TM |
1518 | case NFS4_OPEN_CLAIM_FH: |
1519 | encode_claim_fh(xdr); | |
1520 | break; | |
1521 | case NFS4_OPEN_CLAIM_DELEG_CUR_FH: | |
1522 | encode_claim_delegate_cur_fh(xdr, &arg->u.delegation); | |
1523 | break; | |
05d564fe AA |
1524 | default: |
1525 | BUG(); | |
1da177e4 | 1526 | } |
1da177e4 LT |
1527 | } |
1528 | ||
cf8cdbe5 | 1529 | static void encode_open_confirm(struct xdr_stream *xdr, const struct nfs_open_confirmargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1530 | { |
ab19b481 | 1531 | encode_op_hdr(xdr, OP_OPEN_CONFIRM, decode_open_confirm_maxsz, hdr); |
ea9d23f5 | 1532 | encode_nfs4_stateid(xdr, arg->stateid); |
4ade9821 | 1533 | encode_nfs4_seqid(xdr, arg->seqid); |
1da177e4 LT |
1534 | } |
1535 | ||
cf8cdbe5 | 1536 | static void encode_open_downgrade(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1537 | { |
ab19b481 | 1538 | encode_op_hdr(xdr, OP_OPEN_DOWNGRADE, decode_open_downgrade_maxsz, hdr); |
566fcec6 | 1539 | encode_nfs4_stateid(xdr, &arg->stateid); |
4ade9821 | 1540 | encode_nfs4_seqid(xdr, arg->seqid); |
6ae37339 | 1541 | encode_share_access(xdr, arg->share_access); |
1da177e4 LT |
1542 | } |
1543 | ||
cf8cdbe5 | 1544 | static void |
d017931c | 1545 | encode_putfh(struct xdr_stream *xdr, const struct nfs_fh *fh, struct compound_hdr *hdr) |
1da177e4 | 1546 | { |
ab19b481 | 1547 | encode_op_hdr(xdr, OP_PUTFH, decode_putfh_maxsz, hdr); |
6fdfb0bc | 1548 | encode_string(xdr, fh->size, fh->data); |
1da177e4 LT |
1549 | } |
1550 | ||
cf8cdbe5 | 1551 | static void encode_putrootfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1552 | { |
ab19b481 | 1553 | encode_op_hdr(xdr, OP_PUTROOTFH, decode_putrootfh_maxsz, hdr); |
1da177e4 LT |
1554 | } |
1555 | ||
3c6b899c AS |
1556 | static void encode_read(struct xdr_stream *xdr, const struct nfs_pgio_args *args, |
1557 | struct compound_hdr *hdr) | |
1da177e4 | 1558 | { |
8687b63a | 1559 | __be32 *p; |
1da177e4 | 1560 | |
ab19b481 | 1561 | encode_op_hdr(xdr, OP_READ, decode_read_maxsz, hdr); |
9b206149 | 1562 | encode_nfs4_stateid(xdr, &args->stateid); |
1da177e4 | 1563 | |
13c65ce9 | 1564 | p = reserve_space(xdr, 12); |
b95be5a9 | 1565 | p = xdr_encode_hyper(p, args->offset); |
34558513 | 1566 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1567 | } |
1568 | ||
cf8cdbe5 | 1569 | static void encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg *readdir, struct rpc_rqst *req, struct compound_hdr *hdr) |
1da177e4 | 1570 | { |
aa9c2669 | 1571 | uint32_t attrs[3] = { |
28331a46 TM |
1572 | FATTR4_WORD0_RDATTR_ERROR, |
1573 | FATTR4_WORD1_MOUNTED_ON_FILEID, | |
1574 | }; | |
6f7a35bd | 1575 | uint32_t dircount = readdir->count >> 1; |
cd93710e | 1576 | __be32 *p, verf[2]; |
d204c5d2 TM |
1577 | uint32_t attrlen = 0; |
1578 | unsigned int i; | |
1da177e4 | 1579 | |
82f2e547 BS |
1580 | if (readdir->plus) { |
1581 | attrs[0] |= FATTR4_WORD0_TYPE|FATTR4_WORD0_CHANGE|FATTR4_WORD0_SIZE| | |
28331a46 | 1582 | FATTR4_WORD0_FSID|FATTR4_WORD0_FILEHANDLE|FATTR4_WORD0_FILEID; |
82f2e547 BS |
1583 | attrs[1] |= FATTR4_WORD1_MODE|FATTR4_WORD1_NUMLINKS|FATTR4_WORD1_OWNER| |
1584 | FATTR4_WORD1_OWNER_GROUP|FATTR4_WORD1_RAWDEV| | |
1585 | FATTR4_WORD1_SPACE_USED|FATTR4_WORD1_TIME_ACCESS| | |
1586 | FATTR4_WORD1_TIME_METADATA|FATTR4_WORD1_TIME_MODIFY; | |
d204c5d2 | 1587 | attrs[2] |= FATTR4_WORD2_SECURITY_LABEL; |
6f7a35bd | 1588 | dircount >>= 1; |
82f2e547 | 1589 | } |
28331a46 TM |
1590 | /* Use mounted_on_fileid only if the server supports it */ |
1591 | if (!(readdir->bitmask[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) | |
1592 | attrs[0] |= FATTR4_WORD0_FILEID; | |
d204c5d2 TM |
1593 | for (i = 0; i < ARRAY_SIZE(attrs); i++) { |
1594 | attrs[i] &= readdir->bitmask[i]; | |
1595 | if (attrs[i] != 0) | |
1596 | attrlen = i+1; | |
1597 | } | |
82f2e547 | 1598 | |
475d4ba0 | 1599 | encode_op_hdr(xdr, OP_READDIR, decode_readdir_maxsz, hdr); |
ff2eb681 | 1600 | encode_uint64(xdr, readdir->cookie); |
cd93710e | 1601 | encode_nfs4_verifier(xdr, &readdir->verifier); |
d204c5d2 | 1602 | p = reserve_space(xdr, 12 + (attrlen << 2)); |
6f7a35bd | 1603 | *p++ = cpu_to_be32(dircount); |
e75bc1c8 | 1604 | *p++ = cpu_to_be32(readdir->count); |
d204c5d2 TM |
1605 | *p++ = cpu_to_be32(attrlen); |
1606 | for (i = 0; i < attrlen; i++) | |
1607 | *p++ = cpu_to_be32(attrs[i]); | |
cd93710e | 1608 | memcpy(verf, readdir->verifier.data, sizeof(verf)); |
aa9c2669 DQ |
1609 | |
1610 | dprintk("%s: cookie = %llu, verifier = %08x:%08x, bitmap = %08x:%08x:%08x\n", | |
44109241 | 1611 | __func__, |
eadf4598 | 1612 | (unsigned long long)readdir->cookie, |
cd93710e | 1613 | verf[0], verf[1], |
eadf4598 | 1614 | attrs[0] & readdir->bitmask[0], |
aa9c2669 DQ |
1615 | attrs[1] & readdir->bitmask[1], |
1616 | attrs[2] & readdir->bitmask[2]); | |
1da177e4 LT |
1617 | } |
1618 | ||
cf8cdbe5 | 1619 | static void encode_readlink(struct xdr_stream *xdr, const struct nfs4_readlink *readlink, struct rpc_rqst *req, struct compound_hdr *hdr) |
1da177e4 | 1620 | { |
ab19b481 | 1621 | encode_op_hdr(xdr, OP_READLINK, decode_readlink_maxsz, hdr); |
1da177e4 LT |
1622 | } |
1623 | ||
cf8cdbe5 | 1624 | static void encode_remove(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1625 | { |
ab19b481 | 1626 | encode_op_hdr(xdr, OP_REMOVE, decode_remove_maxsz, hdr); |
6fdfb0bc | 1627 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1628 | } |
1629 | ||
cf8cdbe5 | 1630 | static void encode_rename(struct xdr_stream *xdr, const struct qstr *oldname, const struct qstr *newname, struct compound_hdr *hdr) |
1da177e4 | 1631 | { |
ab19b481 | 1632 | encode_op_hdr(xdr, OP_RENAME, decode_rename_maxsz, hdr); |
811652bd BH |
1633 | encode_string(xdr, oldname->len, oldname->name); |
1634 | encode_string(xdr, newname->len, newname->name); | |
1da177e4 LT |
1635 | } |
1636 | ||
bb4dae5e CL |
1637 | static void encode_renew(struct xdr_stream *xdr, clientid4 clid, |
1638 | struct compound_hdr *hdr) | |
1da177e4 | 1639 | { |
475d4ba0 | 1640 | encode_op_hdr(xdr, OP_RENEW, decode_renew_maxsz, hdr); |
ff2eb681 | 1641 | encode_uint64(xdr, clid); |
1da177e4 LT |
1642 | } |
1643 | ||
cf8cdbe5 | 1644 | static void |
d017931c | 1645 | encode_restorefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
56ae19f3 | 1646 | { |
ab19b481 | 1647 | encode_op_hdr(xdr, OP_RESTOREFH, decode_restorefh_maxsz, hdr); |
56ae19f3 TM |
1648 | } |
1649 | ||
9f06c719 | 1650 | static void |
d017931c | 1651 | encode_setacl(struct xdr_stream *xdr, struct nfs_setaclargs *arg, struct compound_hdr *hdr) |
23ec6965 | 1652 | { |
8687b63a | 1653 | __be32 *p; |
23ec6965 | 1654 | |
ab19b481 | 1655 | encode_op_hdr(xdr, OP_SETATTR, decode_setacl_maxsz, hdr); |
ea9d23f5 | 1656 | encode_nfs4_stateid(xdr, &zero_stateid); |
13c65ce9 | 1657 | p = reserve_space(xdr, 2*4); |
e75bc1c8 | 1658 | *p++ = cpu_to_be32(1); |
34558513 | 1659 | *p = cpu_to_be32(FATTR4_WORD0_ACL); |
13c65ce9 | 1660 | p = reserve_space(xdr, 4); |
34558513 | 1661 | *p = cpu_to_be32(arg->acl_len); |
8fbcf237 | 1662 | xdr_write_pages(xdr, arg->acl_pages, 0, arg->acl_len); |
23ec6965 BF |
1663 | } |
1664 | ||
cf8cdbe5 | 1665 | static void |
d017931c | 1666 | encode_savefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1667 | { |
ab19b481 | 1668 | encode_op_hdr(xdr, OP_SAVEFH, decode_savefh_maxsz, hdr); |
1da177e4 LT |
1669 | } |
1670 | ||
cf8cdbe5 | 1671 | static void encode_setattr(struct xdr_stream *xdr, const struct nfs_setattrargs *arg, const struct nfs_server *server, struct compound_hdr *hdr) |
1da177e4 | 1672 | { |
ab19b481 | 1673 | encode_op_hdr(xdr, OP_SETATTR, decode_setattr_maxsz, hdr); |
ea9d23f5 | 1674 | encode_nfs4_stateid(xdr, &arg->stateid); |
5334c5bd | 1675 | encode_attrs(xdr, arg->iap, arg->label, server, false); |
1da177e4 LT |
1676 | } |
1677 | ||
cf8cdbe5 | 1678 | static void encode_setclientid(struct xdr_stream *xdr, const struct nfs4_setclientid *setclientid, struct compound_hdr *hdr) |
1da177e4 | 1679 | { |
8687b63a | 1680 | __be32 *p; |
1da177e4 | 1681 | |
70019514 | 1682 | encode_op_hdr(xdr, OP_SETCLIENTID, decode_setclientid_maxsz, hdr); |
cd93710e | 1683 | encode_nfs4_verifier(xdr, setclientid->sc_verifier); |
1da177e4 | 1684 | |
3a6bb738 JL |
1685 | encode_string(xdr, strlen(setclientid->sc_clnt->cl_owner_id), |
1686 | setclientid->sc_clnt->cl_owner_id); | |
13c65ce9 | 1687 | p = reserve_space(xdr, 4); |
34558513 | 1688 | *p = cpu_to_be32(setclientid->sc_prog); |
1da177e4 LT |
1689 | encode_string(xdr, setclientid->sc_netid_len, setclientid->sc_netid); |
1690 | encode_string(xdr, setclientid->sc_uaddr_len, setclientid->sc_uaddr); | |
13c65ce9 | 1691 | p = reserve_space(xdr, 4); |
3a6bb738 | 1692 | *p = cpu_to_be32(setclientid->sc_clnt->cl_cb_ident); |
1da177e4 LT |
1693 | } |
1694 | ||
bb8b27e5 | 1695 | static void encode_setclientid_confirm(struct xdr_stream *xdr, const struct nfs4_setclientid_res *arg, struct compound_hdr *hdr) |
1da177e4 | 1696 | { |
475d4ba0 TM |
1697 | encode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM, |
1698 | decode_setclientid_confirm_maxsz, hdr); | |
ff2eb681 | 1699 | encode_uint64(xdr, arg->clientid); |
cd93710e | 1700 | encode_nfs4_verifier(xdr, &arg->confirm); |
1da177e4 LT |
1701 | } |
1702 | ||
3c6b899c AS |
1703 | static void encode_write(struct xdr_stream *xdr, const struct nfs_pgio_args *args, |
1704 | struct compound_hdr *hdr) | |
1da177e4 | 1705 | { |
8687b63a | 1706 | __be32 *p; |
1da177e4 | 1707 | |
ab19b481 | 1708 | encode_op_hdr(xdr, OP_WRITE, decode_write_maxsz, hdr); |
9b206149 | 1709 | encode_nfs4_stateid(xdr, &args->stateid); |
1da177e4 | 1710 | |
13c65ce9 | 1711 | p = reserve_space(xdr, 16); |
b95be5a9 | 1712 | p = xdr_encode_hyper(p, args->offset); |
e75bc1c8 | 1713 | *p++ = cpu_to_be32(args->stable); |
34558513 | 1714 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1715 | |
1716 | xdr_write_pages(xdr, args->pages, args->pgbase, args->count); | |
1da177e4 LT |
1717 | } |
1718 | ||
cf8cdbe5 | 1719 | static void encode_delegreturn(struct xdr_stream *xdr, const nfs4_stateid *stateid, struct compound_hdr *hdr) |
1da177e4 | 1720 | { |
ab19b481 | 1721 | encode_op_hdr(xdr, OP_DELEGRETURN, decode_delegreturn_maxsz, hdr); |
ea9d23f5 | 1722 | encode_nfs4_stateid(xdr, stateid); |
1da177e4 | 1723 | } |
9b7b9fcc | 1724 | |
5a5ea0d4 BS |
1725 | static void encode_secinfo(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1726 | { | |
ab19b481 | 1727 | encode_op_hdr(xdr, OP_SECINFO, decode_secinfo_maxsz, hdr); |
6fdfb0bc | 1728 | encode_string(xdr, name->len, name->name); |
5a5ea0d4 BS |
1729 | } |
1730 | ||
99fe60d0 | 1731 | #if defined(CONFIG_NFS_V4_1) |
9b7b9fcc | 1732 | /* NFSv4.1 operations */ |
7c44f1ae | 1733 | static void encode_bind_conn_to_session(struct xdr_stream *xdr, |
71a097c6 | 1734 | struct nfs41_bind_conn_to_session_args *args, |
7c44f1ae WAA |
1735 | struct compound_hdr *hdr) |
1736 | { | |
1737 | __be32 *p; | |
1738 | ||
1739 | encode_op_hdr(xdr, OP_BIND_CONN_TO_SESSION, | |
1740 | decode_bind_conn_to_session_maxsz, hdr); | |
71a097c6 | 1741 | encode_opaque_fixed(xdr, args->sessionid.data, NFS4_MAX_SESSIONID_LEN); |
7c44f1ae | 1742 | p = xdr_reserve_space(xdr, 8); |
71a097c6 TM |
1743 | *p++ = cpu_to_be32(args->dir); |
1744 | *p = (args->use_conn_in_rdma_mode) ? cpu_to_be32(1) : cpu_to_be32(0); | |
7c44f1ae WAA |
1745 | } |
1746 | ||
2031cd1a WAA |
1747 | static void encode_op_map(struct xdr_stream *xdr, struct nfs4_op_map *op_map) |
1748 | { | |
1749 | unsigned int i; | |
1750 | encode_uint32(xdr, NFS4_OP_MAP_NUM_WORDS); | |
1751 | for (i = 0; i < NFS4_OP_MAP_NUM_WORDS; i++) | |
1752 | encode_uint32(xdr, op_map->u.words[i]); | |
1753 | } | |
1754 | ||
99fe60d0 BH |
1755 | static void encode_exchange_id(struct xdr_stream *xdr, |
1756 | struct nfs41_exchange_id_args *args, | |
1757 | struct compound_hdr *hdr) | |
1758 | { | |
1759 | __be32 *p; | |
d751f748 | 1760 | char impl_name[IMPL_NAME_LIMIT]; |
db8ac8ba | 1761 | int len = 0; |
99fe60d0 | 1762 | |
70019514 | 1763 | encode_op_hdr(xdr, OP_EXCHANGE_ID, decode_exchange_id_maxsz, hdr); |
cd93710e | 1764 | encode_nfs4_verifier(xdr, args->verifier); |
99fe60d0 | 1765 | |
3a6bb738 JL |
1766 | encode_string(xdr, strlen(args->client->cl_owner_id), |
1767 | args->client->cl_owner_id); | |
99fe60d0 | 1768 | |
2031cd1a WAA |
1769 | encode_uint32(xdr, args->flags); |
1770 | encode_uint32(xdr, args->state_protect.how); | |
1771 | ||
1772 | switch (args->state_protect.how) { | |
1773 | case SP4_NONE: | |
1774 | break; | |
1775 | case SP4_MACH_CRED: | |
1776 | encode_op_map(xdr, &args->state_protect.enforce); | |
1777 | encode_op_map(xdr, &args->state_protect.allow); | |
1778 | break; | |
1779 | default: | |
1780 | WARN_ON_ONCE(1); | |
1781 | break; | |
1782 | } | |
db8ac8ba WAA |
1783 | |
1784 | if (send_implementation_id && | |
1785 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) > 1 && | |
1786 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) | |
d751f748 | 1787 | <= sizeof(impl_name) + 1) |
db8ac8ba WAA |
1788 | len = snprintf(impl_name, sizeof(impl_name), "%s %s %s %s", |
1789 | utsname()->sysname, utsname()->release, | |
1790 | utsname()->version, utsname()->machine); | |
1791 | ||
1792 | if (len > 0) { | |
2031cd1a | 1793 | encode_uint32(xdr, 1); /* implementation id array length=1 */ |
db8ac8ba WAA |
1794 | |
1795 | encode_string(xdr, | |
1796 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) - 1, | |
1797 | CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN); | |
1798 | encode_string(xdr, len, impl_name); | |
1799 | /* just send zeros for nii_date - the date is in nii_name */ | |
1800 | p = reserve_space(xdr, 12); | |
1801 | p = xdr_encode_hyper(p, 0); | |
1802 | *p = cpu_to_be32(0); | |
1803 | } else | |
2031cd1a | 1804 | encode_uint32(xdr, 0); /* implementation id array length=0 */ |
99fe60d0 | 1805 | } |
fc931582 AA |
1806 | |
1807 | static void encode_create_session(struct xdr_stream *xdr, | |
1808 | struct nfs41_create_session_args *args, | |
1809 | struct compound_hdr *hdr) | |
1810 | { | |
1811 | __be32 *p; | |
fc931582 | 1812 | struct nfs_client *clp = args->client; |
89f0ff38 | 1813 | struct rpc_clnt *clnt = clp->cl_rpcclient; |
f092075d | 1814 | struct nfs_net *nn = net_generic(clp->cl_net, nfs_net_id); |
8e0d46e1 MS |
1815 | u32 max_resp_sz_cached; |
1816 | ||
1817 | /* | |
1818 | * Assumes OPEN is the biggest non-idempotent compound. | |
1819 | * 2 is the verifier. | |
1820 | */ | |
1821 | max_resp_sz_cached = (NFS4_dec_open_sz + RPC_REPHDRSIZE + | |
1822 | RPC_MAX_AUTH_SIZE + 2) * XDR_UNIT; | |
fc931582 | 1823 | |
475d4ba0 | 1824 | encode_op_hdr(xdr, OP_CREATE_SESSION, decode_create_session_maxsz, hdr); |
89f0ff38 | 1825 | p = reserve_space(xdr, 16 + 2*28 + 20 + clnt->cl_nodelen + 12); |
79969dd1 TM |
1826 | p = xdr_encode_hyper(p, args->clientid); |
1827 | *p++ = cpu_to_be32(args->seqid); /*Sequence id */ | |
e75bc1c8 | 1828 | *p++ = cpu_to_be32(args->flags); /*flags */ |
fc931582 | 1829 | |
fc931582 | 1830 | /* Fore Channel */ |
c9c30dd5 | 1831 | *p++ = cpu_to_be32(0); /* header padding size */ |
e75bc1c8 BH |
1832 | *p++ = cpu_to_be32(args->fc_attrs.max_rqst_sz); /* max req size */ |
1833 | *p++ = cpu_to_be32(args->fc_attrs.max_resp_sz); /* max resp size */ | |
8e0d46e1 | 1834 | *p++ = cpu_to_be32(max_resp_sz_cached); /* Max resp sz cached */ |
e75bc1c8 BH |
1835 | *p++ = cpu_to_be32(args->fc_attrs.max_ops); /* max operations */ |
1836 | *p++ = cpu_to_be32(args->fc_attrs.max_reqs); /* max requests */ | |
1837 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ | |
fc931582 AA |
1838 | |
1839 | /* Back Channel */ | |
c9c30dd5 | 1840 | *p++ = cpu_to_be32(0); /* header padding size */ |
e75bc1c8 BH |
1841 | *p++ = cpu_to_be32(args->bc_attrs.max_rqst_sz); /* max req size */ |
1842 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz); /* max resp size */ | |
1843 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz_cached); /* Max resp sz cached */ | |
1844 | *p++ = cpu_to_be32(args->bc_attrs.max_ops); /* max operations */ | |
1845 | *p++ = cpu_to_be32(args->bc_attrs.max_reqs); /* max requests */ | |
1846 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ | |
fc931582 | 1847 | |
e75bc1c8 | 1848 | *p++ = cpu_to_be32(args->cb_program); /* cb_program */ |
e75bc1c8 | 1849 | *p++ = cpu_to_be32(1); |
e75bc1c8 | 1850 | *p++ = cpu_to_be32(RPC_AUTH_UNIX); /* auth_sys */ |
fc931582 AA |
1851 | |
1852 | /* authsys_parms rfc1831 */ | |
17f26b12 | 1853 | *p++ = cpu_to_be32(nn->boot_time.tv_nsec); /* stamp */ |
89f0ff38 | 1854 | p = xdr_encode_array(p, clnt->cl_nodename, clnt->cl_nodelen); |
e75bc1c8 BH |
1855 | *p++ = cpu_to_be32(0); /* UID */ |
1856 | *p++ = cpu_to_be32(0); /* GID */ | |
34558513 | 1857 | *p = cpu_to_be32(0); /* No more gids */ |
fc931582 | 1858 | } |
0f3e66c6 AA |
1859 | |
1860 | static void encode_destroy_session(struct xdr_stream *xdr, | |
1861 | struct nfs4_session *session, | |
1862 | struct compound_hdr *hdr) | |
1863 | { | |
475d4ba0 TM |
1864 | encode_op_hdr(xdr, OP_DESTROY_SESSION, decode_destroy_session_maxsz, hdr); |
1865 | encode_opaque_fixed(xdr, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); | |
0f3e66c6 | 1866 | } |
18019753 | 1867 | |
66245539 TM |
1868 | static void encode_destroy_clientid(struct xdr_stream *xdr, |
1869 | uint64_t clientid, | |
1870 | struct compound_hdr *hdr) | |
1871 | { | |
1872 | encode_op_hdr(xdr, OP_DESTROY_CLIENTID, decode_destroy_clientid_maxsz, hdr); | |
1873 | encode_uint64(xdr, clientid); | |
1874 | } | |
1875 | ||
18019753 RL |
1876 | static void encode_reclaim_complete(struct xdr_stream *xdr, |
1877 | struct nfs41_reclaim_complete_args *args, | |
1878 | struct compound_hdr *hdr) | |
1879 | { | |
475d4ba0 TM |
1880 | encode_op_hdr(xdr, OP_RECLAIM_COMPLETE, decode_reclaim_complete_maxsz, hdr); |
1881 | encode_uint32(xdr, args->one_fs); | |
18019753 | 1882 | } |
99fe60d0 BH |
1883 | #endif /* CONFIG_NFS_V4_1 */ |
1884 | ||
9b7b9fcc AA |
1885 | static void encode_sequence(struct xdr_stream *xdr, |
1886 | const struct nfs4_sequence_args *args, | |
1887 | struct compound_hdr *hdr) | |
1888 | { | |
1889 | #if defined(CONFIG_NFS_V4_1) | |
2b2fa717 | 1890 | struct nfs4_session *session; |
fc01cea9 | 1891 | struct nfs4_slot_table *tp; |
2b2fa717 | 1892 | struct nfs4_slot *slot = args->sa_slot; |
fc01cea9 | 1893 | __be32 *p; |
9b7b9fcc | 1894 | |
2b2fa717 TM |
1895 | tp = slot->table; |
1896 | session = tp->session; | |
3bd2384a CL |
1897 | if (!session) |
1898 | return; | |
fc01cea9 | 1899 | |
475d4ba0 | 1900 | encode_op_hdr(xdr, OP_SEQUENCE, decode_sequence_maxsz, hdr); |
fc01cea9 AA |
1901 | |
1902 | /* | |
1903 | * Sessionid + seqid + slotid + max slotid + cache_this | |
1904 | */ | |
1905 | dprintk("%s: sessionid=%u:%u:%u:%u seqid=%d slotid=%d " | |
1906 | "max_slotid=%d cache_this=%d\n", | |
1907 | __func__, | |
1908 | ((u32 *)session->sess_id.data)[0], | |
1909 | ((u32 *)session->sess_id.data)[1], | |
1910 | ((u32 *)session->sess_id.data)[2], | |
1911 | ((u32 *)session->sess_id.data)[3], | |
2b2fa717 | 1912 | slot->seq_nr, slot->slot_nr, |
fc01cea9 | 1913 | tp->highest_used_slotid, args->sa_cache_this); |
475d4ba0 | 1914 | p = reserve_space(xdr, NFS4_MAX_SESSIONID_LEN + 16); |
93f0cf25 | 1915 | p = xdr_encode_opaque_fixed(p, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); |
e75bc1c8 | 1916 | *p++ = cpu_to_be32(slot->seq_nr); |
2b2fa717 | 1917 | *p++ = cpu_to_be32(slot->slot_nr); |
e75bc1c8 | 1918 | *p++ = cpu_to_be32(tp->highest_used_slotid); |
34558513 | 1919 | *p = cpu_to_be32(args->sa_cache_this); |
9b7b9fcc AA |
1920 | #endif /* CONFIG_NFS_V4_1 */ |
1921 | } | |
1922 | ||
b1f69b75 AA |
1923 | #ifdef CONFIG_NFS_V4_1 |
1924 | static void | |
1925 | encode_getdeviceinfo(struct xdr_stream *xdr, | |
1926 | const struct nfs4_getdeviceinfo_args *args, | |
1927 | struct compound_hdr *hdr) | |
1928 | { | |
1929 | __be32 *p; | |
1930 | ||
475d4ba0 | 1931 | encode_op_hdr(xdr, OP_GETDEVICEINFO, decode_getdeviceinfo_maxsz, hdr); |
84c9dee3 | 1932 | p = reserve_space(xdr, NFS4_DEVICEID4_SIZE + 4 + 4); |
b1f69b75 AA |
1933 | p = xdr_encode_opaque_fixed(p, args->pdev->dev_id.data, |
1934 | NFS4_DEVICEID4_SIZE); | |
1935 | *p++ = cpu_to_be32(args->pdev->layout_type); | |
f1c097be | 1936 | *p++ = cpu_to_be32(args->pdev->maxcount); /* gdia_maxcount */ |
84c9dee3 CH |
1937 | |
1938 | p = reserve_space(xdr, 4 + 4); | |
1939 | *p++ = cpu_to_be32(1); /* bitmap length */ | |
4e590803 | 1940 | *p++ = cpu_to_be32(args->notify_types); |
b1f69b75 AA |
1941 | } |
1942 | ||
1943 | static void | |
1944 | encode_layoutget(struct xdr_stream *xdr, | |
1945 | const struct nfs4_layoutget_args *args, | |
1946 | struct compound_hdr *hdr) | |
1947 | { | |
b1f69b75 AA |
1948 | __be32 *p; |
1949 | ||
475d4ba0 TM |
1950 | encode_op_hdr(xdr, OP_LAYOUTGET, decode_layoutget_maxsz, hdr); |
1951 | p = reserve_space(xdr, 36); | |
b1f69b75 AA |
1952 | *p++ = cpu_to_be32(0); /* Signal layout available */ |
1953 | *p++ = cpu_to_be32(args->type); | |
1954 | *p++ = cpu_to_be32(args->range.iomode); | |
1955 | p = xdr_encode_hyper(p, args->range.offset); | |
1956 | p = xdr_encode_hyper(p, args->range.length); | |
1957 | p = xdr_encode_hyper(p, args->minlength); | |
ea9d23f5 | 1958 | encode_nfs4_stateid(xdr, &args->stateid); |
475d4ba0 | 1959 | encode_uint32(xdr, args->maxcount); |
b1f69b75 AA |
1960 | |
1961 | dprintk("%s: 1st type:0x%x iomode:%d off:%lu len:%lu mc:%d\n", | |
1962 | __func__, | |
1963 | args->type, | |
1964 | args->range.iomode, | |
1965 | (unsigned long)args->range.offset, | |
1966 | (unsigned long)args->range.length, | |
1967 | args->maxcount); | |
b1f69b75 | 1968 | } |
863a3c6c AA |
1969 | |
1970 | static int | |
1971 | encode_layoutcommit(struct xdr_stream *xdr, | |
ac7db726 | 1972 | struct inode *inode, |
5f919c9f | 1973 | struct nfs4_layoutcommit_args *args, |
863a3c6c AA |
1974 | struct compound_hdr *hdr) |
1975 | { | |
1976 | __be32 *p; | |
1977 | ||
1978 | dprintk("%s: lbw: %llu type: %d\n", __func__, args->lastbytewritten, | |
1979 | NFS_SERVER(args->inode)->pnfs_curr_ld->id); | |
1980 | ||
475d4ba0 TM |
1981 | encode_op_hdr(xdr, OP_LAYOUTCOMMIT, decode_layoutcommit_maxsz, hdr); |
1982 | p = reserve_space(xdr, 20); | |
863a3c6c AA |
1983 | /* Only whole file layouts */ |
1984 | p = xdr_encode_hyper(p, 0); /* offset */ | |
3557c6c3 | 1985 | p = xdr_encode_hyper(p, args->lastbytewritten + 1); /* length */ |
ea9d23f5 TM |
1986 | *p = cpu_to_be32(0); /* reclaim */ |
1987 | encode_nfs4_stateid(xdr, &args->stateid); | |
1988 | p = reserve_space(xdr, 20); | |
863a3c6c AA |
1989 | *p++ = cpu_to_be32(1); /* newoffset = TRUE */ |
1990 | p = xdr_encode_hyper(p, args->lastbytewritten); | |
1991 | *p++ = cpu_to_be32(0); /* Never send time_modify_changed */ | |
1992 | *p++ = cpu_to_be32(NFS_SERVER(args->inode)->pnfs_curr_ld->id);/* type */ | |
ac7db726 | 1993 | |
5f919c9f | 1994 | if (NFS_SERVER(inode)->pnfs_curr_ld->encode_layoutcommit) { |
ac7db726 BH |
1995 | NFS_SERVER(inode)->pnfs_curr_ld->encode_layoutcommit( |
1996 | NFS_I(inode)->layout, xdr, args); | |
5f919c9f CH |
1997 | } else { |
1998 | encode_uint32(xdr, args->layoutupdate_len); | |
1999 | if (args->layoutupdate_pages) { | |
2000 | xdr_write_pages(xdr, args->layoutupdate_pages, 0, | |
2001 | args->layoutupdate_len); | |
2002 | } | |
2003 | } | |
863a3c6c | 2004 | |
863a3c6c AA |
2005 | return 0; |
2006 | } | |
cbe82603 BH |
2007 | |
2008 | static void | |
2009 | encode_layoutreturn(struct xdr_stream *xdr, | |
2010 | const struct nfs4_layoutreturn_args *args, | |
2011 | struct compound_hdr *hdr) | |
2012 | { | |
2013 | __be32 *p; | |
2014 | ||
475d4ba0 TM |
2015 | encode_op_hdr(xdr, OP_LAYOUTRETURN, decode_layoutreturn_maxsz, hdr); |
2016 | p = reserve_space(xdr, 16); | |
cbe82603 BH |
2017 | *p++ = cpu_to_be32(0); /* reclaim. always 0 for now */ |
2018 | *p++ = cpu_to_be32(args->layout_type); | |
15eb67c1 | 2019 | *p++ = cpu_to_be32(args->range.iomode); |
cbe82603 | 2020 | *p = cpu_to_be32(RETURN_FILE); |
ea9d23f5 | 2021 | p = reserve_space(xdr, 16); |
15eb67c1 PT |
2022 | p = xdr_encode_hyper(p, args->range.offset); |
2023 | p = xdr_encode_hyper(p, args->range.length); | |
cbe82603 | 2024 | spin_lock(&args->inode->i_lock); |
ea9d23f5 | 2025 | encode_nfs4_stateid(xdr, &args->stateid); |
cbe82603 | 2026 | spin_unlock(&args->inode->i_lock); |
04a55549 AA |
2027 | if (NFS_SERVER(args->inode)->pnfs_curr_ld->encode_layoutreturn) { |
2028 | NFS_SERVER(args->inode)->pnfs_curr_ld->encode_layoutreturn( | |
2029 | NFS_I(args->inode)->layout, xdr, args); | |
475d4ba0 TM |
2030 | } else |
2031 | encode_uint32(xdr, 0); | |
cbe82603 | 2032 | } |
fca78d6d BS |
2033 | |
2034 | static int | |
2035 | encode_secinfo_no_name(struct xdr_stream *xdr, | |
2036 | const struct nfs41_secinfo_no_name_args *args, | |
2037 | struct compound_hdr *hdr) | |
2038 | { | |
475d4ba0 TM |
2039 | encode_op_hdr(xdr, OP_SECINFO_NO_NAME, decode_secinfo_no_name_maxsz, hdr); |
2040 | encode_uint32(xdr, args->style); | |
fca78d6d BS |
2041 | return 0; |
2042 | } | |
7d974794 BS |
2043 | |
2044 | static void encode_test_stateid(struct xdr_stream *xdr, | |
2045 | struct nfs41_test_stateid_args *args, | |
2046 | struct compound_hdr *hdr) | |
2047 | { | |
475d4ba0 TM |
2048 | encode_op_hdr(xdr, OP_TEST_STATEID, decode_test_stateid_maxsz, hdr); |
2049 | encode_uint32(xdr, 1); | |
ea9d23f5 | 2050 | encode_nfs4_stateid(xdr, args->stateid); |
7d974794 | 2051 | } |
9aeda35f BS |
2052 | |
2053 | static void encode_free_stateid(struct xdr_stream *xdr, | |
2054 | struct nfs41_free_stateid_args *args, | |
2055 | struct compound_hdr *hdr) | |
2056 | { | |
ab19b481 | 2057 | encode_op_hdr(xdr, OP_FREE_STATEID, decode_free_stateid_maxsz, hdr); |
7c1d5fae | 2058 | encode_nfs4_stateid(xdr, &args->stateid); |
9aeda35f | 2059 | } |
b1f69b75 AA |
2060 | #endif /* CONFIG_NFS_V4_1 */ |
2061 | ||
1da177e4 LT |
2062 | /* |
2063 | * END OF "GENERIC" ENCODE ROUTINES. | |
2064 | */ | |
2065 | ||
66cc0429 BH |
2066 | static u32 nfs4_xdr_minorversion(const struct nfs4_sequence_args *args) |
2067 | { | |
2068 | #if defined(CONFIG_NFS_V4_1) | |
3bd2384a CL |
2069 | struct nfs4_session *session = args->sa_slot->table->session; |
2070 | if (session) | |
2071 | return session->clp->cl_mvops->minor_version; | |
66cc0429 BH |
2072 | #endif /* CONFIG_NFS_V4_1 */ |
2073 | return 0; | |
2074 | } | |
2075 | ||
1da177e4 LT |
2076 | /* |
2077 | * Encode an ACCESS request | |
2078 | */ | |
9f06c719 CL |
2079 | static void nfs4_xdr_enc_access(struct rpc_rqst *req, struct xdr_stream *xdr, |
2080 | const struct nfs4_accessargs *args) | |
1da177e4 | 2081 | { |
1da177e4 | 2082 | struct compound_hdr hdr = { |
66cc0429 | 2083 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2084 | }; |
1da177e4 | 2085 | |
9f06c719 CL |
2086 | encode_compound_hdr(xdr, req, &hdr); |
2087 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2088 | encode_putfh(xdr, args->fh, &hdr); | |
2089 | encode_access(xdr, args->access, &hdr); | |
2090 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2091 | encode_nops(&hdr); |
1da177e4 LT |
2092 | } |
2093 | ||
2094 | /* | |
2095 | * Encode LOOKUP request | |
2096 | */ | |
9f06c719 CL |
2097 | static void nfs4_xdr_enc_lookup(struct rpc_rqst *req, struct xdr_stream *xdr, |
2098 | const struct nfs4_lookup_arg *args) | |
1da177e4 | 2099 | { |
1da177e4 | 2100 | struct compound_hdr hdr = { |
66cc0429 | 2101 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2102 | }; |
1da177e4 | 2103 | |
9f06c719 CL |
2104 | encode_compound_hdr(xdr, req, &hdr); |
2105 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2106 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2107 | encode_lookup(xdr, args->name, &hdr); | |
2108 | encode_getfh(xdr, &hdr); | |
2109 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2110 | encode_nops(&hdr); |
1da177e4 LT |
2111 | } |
2112 | ||
2113 | /* | |
2114 | * Encode LOOKUP_ROOT request | |
2115 | */ | |
9f06c719 CL |
2116 | static void nfs4_xdr_enc_lookup_root(struct rpc_rqst *req, |
2117 | struct xdr_stream *xdr, | |
2118 | const struct nfs4_lookup_root_arg *args) | |
1da177e4 | 2119 | { |
1da177e4 | 2120 | struct compound_hdr hdr = { |
66cc0429 | 2121 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2122 | }; |
1da177e4 | 2123 | |
9f06c719 CL |
2124 | encode_compound_hdr(xdr, req, &hdr); |
2125 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2126 | encode_putrootfh(xdr, &hdr); | |
2127 | encode_getfh(xdr, &hdr); | |
2128 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2129 | encode_nops(&hdr); |
1da177e4 LT |
2130 | } |
2131 | ||
2132 | /* | |
2133 | * Encode REMOVE request | |
2134 | */ | |
9f06c719 CL |
2135 | static void nfs4_xdr_enc_remove(struct rpc_rqst *req, struct xdr_stream *xdr, |
2136 | const struct nfs_removeargs *args) | |
1da177e4 | 2137 | { |
1da177e4 | 2138 | struct compound_hdr hdr = { |
66cc0429 | 2139 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2140 | }; |
1da177e4 | 2141 | |
9f06c719 CL |
2142 | encode_compound_hdr(xdr, req, &hdr); |
2143 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2144 | encode_putfh(xdr, args->fh, &hdr); | |
2145 | encode_remove(xdr, &args->name, &hdr); | |
d017931c | 2146 | encode_nops(&hdr); |
1da177e4 LT |
2147 | } |
2148 | ||
2149 | /* | |
2150 | * Encode RENAME request | |
2151 | */ | |
9f06c719 CL |
2152 | static void nfs4_xdr_enc_rename(struct rpc_rqst *req, struct xdr_stream *xdr, |
2153 | const struct nfs_renameargs *args) | |
1da177e4 | 2154 | { |
1da177e4 | 2155 | struct compound_hdr hdr = { |
66cc0429 | 2156 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2157 | }; |
1da177e4 | 2158 | |
9f06c719 CL |
2159 | encode_compound_hdr(xdr, req, &hdr); |
2160 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2161 | encode_putfh(xdr, args->old_dir, &hdr); | |
2162 | encode_savefh(xdr, &hdr); | |
2163 | encode_putfh(xdr, args->new_dir, &hdr); | |
2164 | encode_rename(xdr, args->old_name, args->new_name, &hdr); | |
d017931c | 2165 | encode_nops(&hdr); |
1da177e4 LT |
2166 | } |
2167 | ||
2168 | /* | |
2169 | * Encode LINK request | |
2170 | */ | |
9f06c719 CL |
2171 | static void nfs4_xdr_enc_link(struct rpc_rqst *req, struct xdr_stream *xdr, |
2172 | const struct nfs4_link_arg *args) | |
1da177e4 | 2173 | { |
1da177e4 | 2174 | struct compound_hdr hdr = { |
66cc0429 | 2175 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2176 | }; |
1da177e4 | 2177 | |
9f06c719 CL |
2178 | encode_compound_hdr(xdr, req, &hdr); |
2179 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2180 | encode_putfh(xdr, args->fh, &hdr); | |
2181 | encode_savefh(xdr, &hdr); | |
2182 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2183 | encode_link(xdr, args->name, &hdr); | |
9f06c719 CL |
2184 | encode_restorefh(xdr, &hdr); |
2185 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2186 | encode_nops(&hdr); |
1da177e4 LT |
2187 | } |
2188 | ||
2189 | /* | |
2190 | * Encode CREATE request | |
2191 | */ | |
9f06c719 CL |
2192 | static void nfs4_xdr_enc_create(struct rpc_rqst *req, struct xdr_stream *xdr, |
2193 | const struct nfs4_create_arg *args) | |
1da177e4 | 2194 | { |
1da177e4 | 2195 | struct compound_hdr hdr = { |
66cc0429 | 2196 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2197 | }; |
1da177e4 | 2198 | |
9f06c719 CL |
2199 | encode_compound_hdr(xdr, req, &hdr); |
2200 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2201 | encode_putfh(xdr, args->dir_fh, &hdr); | |
9f06c719 CL |
2202 | encode_create(xdr, args, &hdr); |
2203 | encode_getfh(xdr, &hdr); | |
2204 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2205 | encode_nops(&hdr); |
1da177e4 LT |
2206 | } |
2207 | ||
2208 | /* | |
2209 | * Encode SYMLINK request | |
2210 | */ | |
9f06c719 CL |
2211 | static void nfs4_xdr_enc_symlink(struct rpc_rqst *req, struct xdr_stream *xdr, |
2212 | const struct nfs4_create_arg *args) | |
1da177e4 | 2213 | { |
9f06c719 | 2214 | nfs4_xdr_enc_create(req, xdr, args); |
1da177e4 LT |
2215 | } |
2216 | ||
2217 | /* | |
2218 | * Encode GETATTR request | |
2219 | */ | |
9f06c719 CL |
2220 | static void nfs4_xdr_enc_getattr(struct rpc_rqst *req, struct xdr_stream *xdr, |
2221 | const struct nfs4_getattr_arg *args) | |
1da177e4 | 2222 | { |
1da177e4 | 2223 | struct compound_hdr hdr = { |
66cc0429 | 2224 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2225 | }; |
1da177e4 | 2226 | |
9f06c719 CL |
2227 | encode_compound_hdr(xdr, req, &hdr); |
2228 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2229 | encode_putfh(xdr, args->fh, &hdr); | |
2230 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2231 | encode_nops(&hdr); |
1da177e4 LT |
2232 | } |
2233 | ||
2234 | /* | |
2235 | * Encode a CLOSE request | |
2236 | */ | |
9f06c719 CL |
2237 | static void nfs4_xdr_enc_close(struct rpc_rqst *req, struct xdr_stream *xdr, |
2238 | struct nfs_closeargs *args) | |
1da177e4 | 2239 | { |
05d564fe | 2240 | struct compound_hdr hdr = { |
66cc0429 | 2241 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 2242 | }; |
05d564fe | 2243 | |
9f06c719 CL |
2244 | encode_compound_hdr(xdr, req, &hdr); |
2245 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2246 | encode_putfh(xdr, args->fh, &hdr); | |
2247 | encode_close(xdr, args, &hdr); | |
2248 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2249 | encode_nops(&hdr); |
1da177e4 LT |
2250 | } |
2251 | ||
2252 | /* | |
2253 | * Encode an OPEN request | |
2254 | */ | |
9f06c719 CL |
2255 | static void nfs4_xdr_enc_open(struct rpc_rqst *req, struct xdr_stream *xdr, |
2256 | struct nfs_openargs *args) | |
1da177e4 | 2257 | { |
1da177e4 | 2258 | struct compound_hdr hdr = { |
66cc0429 | 2259 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2260 | }; |
1da177e4 | 2261 | |
9f06c719 CL |
2262 | encode_compound_hdr(xdr, req, &hdr); |
2263 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2264 | encode_putfh(xdr, args->fh, &hdr); | |
9f06c719 CL |
2265 | encode_open(xdr, args, &hdr); |
2266 | encode_getfh(xdr, &hdr); | |
ae2bb032 WAA |
2267 | if (args->access) |
2268 | encode_access(xdr, args->access, &hdr); | |
1549210f | 2269 | encode_getfattr_open(xdr, args->bitmask, args->open_bitmap, &hdr); |
d017931c | 2270 | encode_nops(&hdr); |
1da177e4 LT |
2271 | } |
2272 | ||
2273 | /* | |
2274 | * Encode an OPEN_CONFIRM request | |
2275 | */ | |
9f06c719 CL |
2276 | static void nfs4_xdr_enc_open_confirm(struct rpc_rqst *req, |
2277 | struct xdr_stream *xdr, | |
2278 | struct nfs_open_confirmargs *args) | |
1da177e4 | 2279 | { |
1da177e4 | 2280 | struct compound_hdr hdr = { |
d017931c | 2281 | .nops = 0, |
1da177e4 | 2282 | }; |
1da177e4 | 2283 | |
9f06c719 CL |
2284 | encode_compound_hdr(xdr, req, &hdr); |
2285 | encode_putfh(xdr, args->fh, &hdr); | |
2286 | encode_open_confirm(xdr, args, &hdr); | |
d017931c | 2287 | encode_nops(&hdr); |
1da177e4 LT |
2288 | } |
2289 | ||
2290 | /* | |
2291 | * Encode an OPEN request with no attributes. | |
2292 | */ | |
9f06c719 CL |
2293 | static void nfs4_xdr_enc_open_noattr(struct rpc_rqst *req, |
2294 | struct xdr_stream *xdr, | |
2295 | struct nfs_openargs *args) | |
1da177e4 | 2296 | { |
1da177e4 | 2297 | struct compound_hdr hdr = { |
66cc0429 | 2298 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2299 | }; |
1da177e4 | 2300 | |
9f06c719 CL |
2301 | encode_compound_hdr(xdr, req, &hdr); |
2302 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2303 | encode_putfh(xdr, args->fh, &hdr); | |
2304 | encode_open(xdr, args, &hdr); | |
ae2bb032 WAA |
2305 | if (args->access) |
2306 | encode_access(xdr, args->access, &hdr); | |
e23008ec | 2307 | encode_getfattr_open(xdr, args->bitmask, args->open_bitmap, &hdr); |
d017931c | 2308 | encode_nops(&hdr); |
1da177e4 LT |
2309 | } |
2310 | ||
2311 | /* | |
2312 | * Encode an OPEN_DOWNGRADE request | |
2313 | */ | |
9f06c719 CL |
2314 | static void nfs4_xdr_enc_open_downgrade(struct rpc_rqst *req, |
2315 | struct xdr_stream *xdr, | |
2316 | struct nfs_closeargs *args) | |
1da177e4 | 2317 | { |
1da177e4 | 2318 | struct compound_hdr hdr = { |
66cc0429 | 2319 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2320 | }; |
1da177e4 | 2321 | |
9f06c719 CL |
2322 | encode_compound_hdr(xdr, req, &hdr); |
2323 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2324 | encode_putfh(xdr, args->fh, &hdr); | |
2325 | encode_open_downgrade(xdr, args, &hdr); | |
2326 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2327 | encode_nops(&hdr); |
1da177e4 LT |
2328 | } |
2329 | ||
2330 | /* | |
2331 | * Encode a LOCK request | |
2332 | */ | |
9f06c719 CL |
2333 | static void nfs4_xdr_enc_lock(struct rpc_rqst *req, struct xdr_stream *xdr, |
2334 | struct nfs_lock_args *args) | |
1da177e4 | 2335 | { |
1da177e4 | 2336 | struct compound_hdr hdr = { |
66cc0429 | 2337 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2338 | }; |
1da177e4 | 2339 | |
9f06c719 CL |
2340 | encode_compound_hdr(xdr, req, &hdr); |
2341 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2342 | encode_putfh(xdr, args->fh, &hdr); | |
2343 | encode_lock(xdr, args, &hdr); | |
d017931c | 2344 | encode_nops(&hdr); |
1da177e4 LT |
2345 | } |
2346 | ||
2347 | /* | |
2348 | * Encode a LOCKT request | |
2349 | */ | |
9f06c719 CL |
2350 | static void nfs4_xdr_enc_lockt(struct rpc_rqst *req, struct xdr_stream *xdr, |
2351 | struct nfs_lockt_args *args) | |
1da177e4 | 2352 | { |
1da177e4 | 2353 | struct compound_hdr hdr = { |
66cc0429 | 2354 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2355 | }; |
1da177e4 | 2356 | |
9f06c719 CL |
2357 | encode_compound_hdr(xdr, req, &hdr); |
2358 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2359 | encode_putfh(xdr, args->fh, &hdr); | |
2360 | encode_lockt(xdr, args, &hdr); | |
d017931c | 2361 | encode_nops(&hdr); |
1da177e4 LT |
2362 | } |
2363 | ||
2364 | /* | |
2365 | * Encode a LOCKU request | |
2366 | */ | |
9f06c719 CL |
2367 | static void nfs4_xdr_enc_locku(struct rpc_rqst *req, struct xdr_stream *xdr, |
2368 | struct nfs_locku_args *args) | |
1da177e4 | 2369 | { |
1da177e4 | 2370 | struct compound_hdr hdr = { |
66cc0429 | 2371 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2372 | }; |
1da177e4 | 2373 | |
9f06c719 CL |
2374 | encode_compound_hdr(xdr, req, &hdr); |
2375 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2376 | encode_putfh(xdr, args->fh, &hdr); | |
2377 | encode_locku(xdr, args, &hdr); | |
d017931c | 2378 | encode_nops(&hdr); |
1da177e4 LT |
2379 | } |
2380 | ||
9f06c719 CL |
2381 | static void nfs4_xdr_enc_release_lockowner(struct rpc_rqst *req, |
2382 | struct xdr_stream *xdr, | |
2383 | struct nfs_release_lockowner_args *args) | |
d3c7b7cc | 2384 | { |
d3c7b7cc TM |
2385 | struct compound_hdr hdr = { |
2386 | .minorversion = 0, | |
2387 | }; | |
2388 | ||
9f06c719 CL |
2389 | encode_compound_hdr(xdr, req, &hdr); |
2390 | encode_release_lockowner(xdr, &args->lock_owner, &hdr); | |
d3c7b7cc | 2391 | encode_nops(&hdr); |
d3c7b7cc TM |
2392 | } |
2393 | ||
1da177e4 LT |
2394 | /* |
2395 | * Encode a READLINK request | |
2396 | */ | |
9f06c719 CL |
2397 | static void nfs4_xdr_enc_readlink(struct rpc_rqst *req, struct xdr_stream *xdr, |
2398 | const struct nfs4_readlink *args) | |
1da177e4 | 2399 | { |
1da177e4 | 2400 | struct compound_hdr hdr = { |
66cc0429 | 2401 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2402 | }; |
1da177e4 | 2403 | |
9f06c719 CL |
2404 | encode_compound_hdr(xdr, req, &hdr); |
2405 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2406 | encode_putfh(xdr, args->fh, &hdr); | |
2407 | encode_readlink(xdr, args, req, &hdr); | |
e3a535e1 | 2408 | |
28f56694 | 2409 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, |
e3a535e1 | 2410 | args->pgbase, args->pglen); |
d017931c | 2411 | encode_nops(&hdr); |
1da177e4 LT |
2412 | } |
2413 | ||
2414 | /* | |
2415 | * Encode a READDIR request | |
2416 | */ | |
9f06c719 CL |
2417 | static void nfs4_xdr_enc_readdir(struct rpc_rqst *req, struct xdr_stream *xdr, |
2418 | const struct nfs4_readdir_arg *args) | |
1da177e4 | 2419 | { |
1da177e4 | 2420 | struct compound_hdr hdr = { |
66cc0429 | 2421 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2422 | }; |
1da177e4 | 2423 | |
9f06c719 CL |
2424 | encode_compound_hdr(xdr, req, &hdr); |
2425 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2426 | encode_putfh(xdr, args->fh, &hdr); | |
2427 | encode_readdir(xdr, args, req, &hdr); | |
d6ac02df | 2428 | |
28f56694 | 2429 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, |
d6ac02df TM |
2430 | args->pgbase, args->count); |
2431 | dprintk("%s: inlined page args = (%u, %p, %u, %u)\n", | |
28f56694 | 2432 | __func__, hdr.replen << 2, args->pages, |
d6ac02df | 2433 | args->pgbase, args->count); |
d017931c | 2434 | encode_nops(&hdr); |
1da177e4 LT |
2435 | } |
2436 | ||
2437 | /* | |
2438 | * Encode a READ request | |
2439 | */ | |
9f06c719 | 2440 | static void nfs4_xdr_enc_read(struct rpc_rqst *req, struct xdr_stream *xdr, |
3c6b899c | 2441 | struct nfs_pgio_args *args) |
1da177e4 | 2442 | { |
1da177e4 | 2443 | struct compound_hdr hdr = { |
66cc0429 | 2444 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2445 | }; |
1da177e4 | 2446 | |
9f06c719 CL |
2447 | encode_compound_hdr(xdr, req, &hdr); |
2448 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2449 | encode_putfh(xdr, args->fh, &hdr); | |
2450 | encode_read(xdr, args, &hdr); | |
1da177e4 | 2451 | |
28f56694 | 2452 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, |
1da177e4 | 2453 | args->pages, args->pgbase, args->count); |
4f22ccc3 | 2454 | req->rq_rcv_buf.flags |= XDRBUF_READ; |
d017931c | 2455 | encode_nops(&hdr); |
1da177e4 LT |
2456 | } |
2457 | ||
2458 | /* | |
2459 | * Encode an SETATTR request | |
2460 | */ | |
9f06c719 CL |
2461 | static void nfs4_xdr_enc_setattr(struct rpc_rqst *req, struct xdr_stream *xdr, |
2462 | struct nfs_setattrargs *args) | |
1da177e4 | 2463 | { |
05d564fe | 2464 | struct compound_hdr hdr = { |
66cc0429 | 2465 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 2466 | }; |
05d564fe | 2467 | |
9f06c719 CL |
2468 | encode_compound_hdr(xdr, req, &hdr); |
2469 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2470 | encode_putfh(xdr, args->fh, &hdr); | |
2471 | encode_setattr(xdr, args, args->server, &hdr); | |
2472 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2473 | encode_nops(&hdr); |
1da177e4 LT |
2474 | } |
2475 | ||
029d105e BF |
2476 | /* |
2477 | * Encode a GETACL request | |
2478 | */ | |
9f06c719 CL |
2479 | static void nfs4_xdr_enc_getacl(struct rpc_rqst *req, struct xdr_stream *xdr, |
2480 | struct nfs_getaclargs *args) | |
029d105e | 2481 | { |
029d105e | 2482 | struct compound_hdr hdr = { |
66cc0429 | 2483 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
029d105e | 2484 | }; |
28f56694 | 2485 | uint32_t replen; |
029d105e | 2486 | |
9f06c719 CL |
2487 | encode_compound_hdr(xdr, req, &hdr); |
2488 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2489 | encode_putfh(xdr, args->fh, &hdr); | |
bf118a34 | 2490 | replen = hdr.replen + op_decode_hdr_maxsz + 1; |
9f06c719 | 2491 | encode_getattr_two(xdr, FATTR4_WORD0_ACL, 0, &hdr); |
cf8cdbe5 | 2492 | |
28f56694 | 2493 | xdr_inline_pages(&req->rq_rcv_buf, replen << 2, |
8fbcf237 | 2494 | args->acl_pages, 0, args->acl_len); |
bf118a34 | 2495 | |
d017931c | 2496 | encode_nops(&hdr); |
029d105e BF |
2497 | } |
2498 | ||
1da177e4 LT |
2499 | /* |
2500 | * Encode a WRITE request | |
2501 | */ | |
9f06c719 | 2502 | static void nfs4_xdr_enc_write(struct rpc_rqst *req, struct xdr_stream *xdr, |
3c6b899c | 2503 | struct nfs_pgio_args *args) |
1da177e4 | 2504 | { |
1da177e4 | 2505 | struct compound_hdr hdr = { |
66cc0429 | 2506 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2507 | }; |
1da177e4 | 2508 | |
9f06c719 CL |
2509 | encode_compound_hdr(xdr, req, &hdr); |
2510 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2511 | encode_putfh(xdr, args->fh, &hdr); | |
2512 | encode_write(xdr, args, &hdr); | |
4f22ccc3 | 2513 | req->rq_snd_buf.flags |= XDRBUF_WRITE; |
7ffd1064 FI |
2514 | if (args->bitmask) |
2515 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2516 | encode_nops(&hdr); |
1da177e4 LT |
2517 | } |
2518 | ||
2519 | /* | |
2520 | * a COMMIT request | |
2521 | */ | |
9f06c719 | 2522 | static void nfs4_xdr_enc_commit(struct rpc_rqst *req, struct xdr_stream *xdr, |
0b7c0153 | 2523 | struct nfs_commitargs *args) |
1da177e4 | 2524 | { |
1da177e4 | 2525 | struct compound_hdr hdr = { |
66cc0429 | 2526 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2527 | }; |
1da177e4 | 2528 | |
9f06c719 CL |
2529 | encode_compound_hdr(xdr, req, &hdr); |
2530 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2531 | encode_putfh(xdr, args->fh, &hdr); | |
2532 | encode_commit(xdr, args, &hdr); | |
d017931c | 2533 | encode_nops(&hdr); |
1da177e4 LT |
2534 | } |
2535 | ||
2536 | /* | |
2537 | * FSINFO request | |
2538 | */ | |
9f06c719 CL |
2539 | static void nfs4_xdr_enc_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, |
2540 | struct nfs4_fsinfo_arg *args) | |
1da177e4 | 2541 | { |
1da177e4 | 2542 | struct compound_hdr hdr = { |
66cc0429 | 2543 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2544 | }; |
1da177e4 | 2545 | |
9f06c719 CL |
2546 | encode_compound_hdr(xdr, req, &hdr); |
2547 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2548 | encode_putfh(xdr, args->fh, &hdr); | |
2549 | encode_fsinfo(xdr, args->bitmask, &hdr); | |
d017931c | 2550 | encode_nops(&hdr); |
1da177e4 LT |
2551 | } |
2552 | ||
2553 | /* | |
2554 | * a PATHCONF request | |
2555 | */ | |
9f06c719 CL |
2556 | static void nfs4_xdr_enc_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, |
2557 | const struct nfs4_pathconf_arg *args) | |
1da177e4 | 2558 | { |
1da177e4 | 2559 | struct compound_hdr hdr = { |
66cc0429 | 2560 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2561 | }; |
1da177e4 | 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_getattr_one(xdr, args->bitmask[0] & nfs4_pathconf_bitmap[0], | |
cf8cdbe5 | 2567 | &hdr); |
d017931c | 2568 | encode_nops(&hdr); |
1da177e4 LT |
2569 | } |
2570 | ||
2571 | /* | |
2572 | * a STATFS request | |
2573 | */ | |
9f06c719 CL |
2574 | static void nfs4_xdr_enc_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, |
2575 | const struct nfs4_statfs_arg *args) | |
1da177e4 | 2576 | { |
1da177e4 | 2577 | struct compound_hdr hdr = { |
66cc0429 | 2578 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2579 | }; |
1da177e4 | 2580 | |
9f06c719 CL |
2581 | encode_compound_hdr(xdr, req, &hdr); |
2582 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2583 | encode_putfh(xdr, args->fh, &hdr); | |
2584 | encode_getattr_two(xdr, args->bitmask[0] & nfs4_statfs_bitmap[0], | |
cf8cdbe5 | 2585 | args->bitmask[1] & nfs4_statfs_bitmap[1], &hdr); |
d017931c | 2586 | encode_nops(&hdr); |
1da177e4 LT |
2587 | } |
2588 | ||
2589 | /* | |
2590 | * GETATTR_BITMAP request | |
2591 | */ | |
9f06c719 CL |
2592 | static void nfs4_xdr_enc_server_caps(struct rpc_rqst *req, |
2593 | struct xdr_stream *xdr, | |
2594 | struct nfs4_server_caps_arg *args) | |
1da177e4 | 2595 | { |
8c61282f | 2596 | const u32 *bitmask = args->bitmask; |
1da177e4 | 2597 | struct compound_hdr hdr = { |
66cc0429 | 2598 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2599 | }; |
1da177e4 | 2600 | |
9f06c719 CL |
2601 | encode_compound_hdr(xdr, req, &hdr); |
2602 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2603 | encode_putfh(xdr, args->fhandle, &hdr); | |
8c61282f | 2604 | encode_getattr_three(xdr, bitmask[0], bitmask[1], bitmask[2], &hdr); |
d017931c | 2605 | encode_nops(&hdr); |
1da177e4 LT |
2606 | } |
2607 | ||
2608 | /* | |
2609 | * a RENEW request | |
2610 | */ | |
9f06c719 CL |
2611 | static void nfs4_xdr_enc_renew(struct rpc_rqst *req, struct xdr_stream *xdr, |
2612 | struct nfs_client *clp) | |
1da177e4 | 2613 | { |
1da177e4 | 2614 | struct compound_hdr hdr = { |
d017931c | 2615 | .nops = 0, |
1da177e4 LT |
2616 | }; |
2617 | ||
9f06c719 | 2618 | encode_compound_hdr(xdr, req, &hdr); |
bb4dae5e | 2619 | encode_renew(xdr, clp->cl_clientid, &hdr); |
d017931c | 2620 | encode_nops(&hdr); |
1da177e4 LT |
2621 | } |
2622 | ||
2623 | /* | |
2624 | * a SETCLIENTID request | |
2625 | */ | |
9f06c719 CL |
2626 | static void nfs4_xdr_enc_setclientid(struct rpc_rqst *req, |
2627 | struct xdr_stream *xdr, | |
2628 | struct nfs4_setclientid *sc) | |
1da177e4 | 2629 | { |
1da177e4 | 2630 | struct compound_hdr hdr = { |
d017931c | 2631 | .nops = 0, |
1da177e4 LT |
2632 | }; |
2633 | ||
9f06c719 CL |
2634 | encode_compound_hdr(xdr, req, &hdr); |
2635 | encode_setclientid(xdr, sc, &hdr); | |
d017931c | 2636 | encode_nops(&hdr); |
1da177e4 LT |
2637 | } |
2638 | ||
2639 | /* | |
2640 | * a SETCLIENTID_CONFIRM request | |
2641 | */ | |
9f06c719 CL |
2642 | static void nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, |
2643 | struct xdr_stream *xdr, | |
2644 | struct nfs4_setclientid_res *arg) | |
1da177e4 | 2645 | { |
1da177e4 | 2646 | struct compound_hdr hdr = { |
d017931c | 2647 | .nops = 0, |
1da177e4 | 2648 | }; |
1da177e4 | 2649 | |
9f06c719 CL |
2650 | encode_compound_hdr(xdr, req, &hdr); |
2651 | encode_setclientid_confirm(xdr, arg, &hdr); | |
d017931c | 2652 | encode_nops(&hdr); |
1da177e4 LT |
2653 | } |
2654 | ||
2655 | /* | |
2656 | * DELEGRETURN request | |
2657 | */ | |
9f06c719 CL |
2658 | static void nfs4_xdr_enc_delegreturn(struct rpc_rqst *req, |
2659 | struct xdr_stream *xdr, | |
2660 | const struct nfs4_delegreturnargs *args) | |
1da177e4 | 2661 | { |
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->fhandle, &hdr); | |
9f06c719 | 2669 | encode_getfattr(xdr, args->bitmask, &hdr); |
e144cbcc | 2670 | encode_delegreturn(xdr, args->stateid, &hdr); |
d017931c | 2671 | encode_nops(&hdr); |
1da177e4 LT |
2672 | } |
2673 | ||
683b57b4 TM |
2674 | /* |
2675 | * Encode FS_LOCATIONS request | |
2676 | */ | |
9f06c719 CL |
2677 | static void nfs4_xdr_enc_fs_locations(struct rpc_rqst *req, |
2678 | struct xdr_stream *xdr, | |
2679 | struct nfs4_fs_locations_arg *args) | |
683b57b4 | 2680 | { |
683b57b4 | 2681 | struct compound_hdr hdr = { |
66cc0429 | 2682 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
683b57b4 | 2683 | }; |
28f56694 | 2684 | uint32_t replen; |
683b57b4 | 2685 | |
9f06c719 CL |
2686 | encode_compound_hdr(xdr, req, &hdr); |
2687 | encode_sequence(xdr, &args->seq_args, &hdr); | |
b03d735b CL |
2688 | if (args->migration) { |
2689 | encode_putfh(xdr, args->fh, &hdr); | |
2690 | replen = hdr.replen; | |
2691 | encode_fs_locations(xdr, args->bitmask, &hdr); | |
2692 | if (args->renew) | |
2693 | encode_renew(xdr, args->clientid, &hdr); | |
2694 | } else { | |
2695 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2696 | encode_lookup(xdr, args->name, &hdr); | |
2697 | replen = hdr.replen; | |
2698 | encode_fs_locations(xdr, args->bitmask, &hdr); | |
2699 | } | |
cf8cdbe5 | 2700 | |
b03d735b | 2701 | /* Set up reply kvec to capture returned fs_locations array. */ |
28f56694 | 2702 | xdr_inline_pages(&req->rq_rcv_buf, replen << 2, &args->page, |
683b57b4 | 2703 | 0, PAGE_SIZE); |
d017931c | 2704 | encode_nops(&hdr); |
683b57b4 TM |
2705 | } |
2706 | ||
5a5ea0d4 BS |
2707 | /* |
2708 | * Encode SECINFO request | |
2709 | */ | |
2710 | static void nfs4_xdr_enc_secinfo(struct rpc_rqst *req, | |
2711 | struct xdr_stream *xdr, | |
2712 | struct nfs4_secinfo_arg *args) | |
2713 | { | |
2714 | struct compound_hdr hdr = { | |
2715 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2716 | }; | |
2717 | ||
2718 | encode_compound_hdr(xdr, req, &hdr); | |
2719 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2720 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2721 | encode_secinfo(xdr, args->name, &hdr); | |
2722 | encode_nops(&hdr); | |
2723 | } | |
2724 | ||
44c99933 CL |
2725 | /* |
2726 | * Encode FSID_PRESENT request | |
2727 | */ | |
2728 | static void nfs4_xdr_enc_fsid_present(struct rpc_rqst *req, | |
2729 | struct xdr_stream *xdr, | |
2730 | struct nfs4_fsid_present_arg *args) | |
2731 | { | |
2732 | struct compound_hdr hdr = { | |
2733 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2734 | }; | |
2735 | ||
2736 | encode_compound_hdr(xdr, req, &hdr); | |
2737 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2738 | encode_putfh(xdr, args->fh, &hdr); | |
2739 | encode_getfh(xdr, &hdr); | |
2740 | if (args->renew) | |
2741 | encode_renew(xdr, args->clientid, &hdr); | |
2742 | encode_nops(&hdr); | |
2743 | } | |
2744 | ||
99fe60d0 | 2745 | #if defined(CONFIG_NFS_V4_1) |
7c44f1ae WAA |
2746 | /* |
2747 | * BIND_CONN_TO_SESSION request | |
2748 | */ | |
2749 | static void nfs4_xdr_enc_bind_conn_to_session(struct rpc_rqst *req, | |
2750 | struct xdr_stream *xdr, | |
71a097c6 | 2751 | struct nfs41_bind_conn_to_session_args *args) |
7c44f1ae WAA |
2752 | { |
2753 | struct compound_hdr hdr = { | |
71a097c6 | 2754 | .minorversion = args->client->cl_mvops->minor_version, |
7c44f1ae WAA |
2755 | }; |
2756 | ||
2757 | encode_compound_hdr(xdr, req, &hdr); | |
71a097c6 | 2758 | encode_bind_conn_to_session(xdr, args, &hdr); |
7c44f1ae WAA |
2759 | encode_nops(&hdr); |
2760 | } | |
2761 | ||
99fe60d0 BH |
2762 | /* |
2763 | * EXCHANGE_ID request | |
2764 | */ | |
9f06c719 CL |
2765 | static void nfs4_xdr_enc_exchange_id(struct rpc_rqst *req, |
2766 | struct xdr_stream *xdr, | |
2767 | struct nfs41_exchange_id_args *args) | |
99fe60d0 | 2768 | { |
99fe60d0 | 2769 | struct compound_hdr hdr = { |
a4432345 | 2770 | .minorversion = args->client->cl_mvops->minor_version, |
99fe60d0 BH |
2771 | }; |
2772 | ||
9f06c719 CL |
2773 | encode_compound_hdr(xdr, req, &hdr); |
2774 | encode_exchange_id(xdr, args, &hdr); | |
99fe60d0 | 2775 | encode_nops(&hdr); |
99fe60d0 | 2776 | } |
2050f0cc | 2777 | |
fc931582 AA |
2778 | /* |
2779 | * a CREATE_SESSION request | |
2780 | */ | |
9f06c719 CL |
2781 | static void nfs4_xdr_enc_create_session(struct rpc_rqst *req, |
2782 | struct xdr_stream *xdr, | |
2783 | struct nfs41_create_session_args *args) | |
fc931582 | 2784 | { |
fc931582 | 2785 | struct compound_hdr hdr = { |
a4432345 | 2786 | .minorversion = args->client->cl_mvops->minor_version, |
fc931582 AA |
2787 | }; |
2788 | ||
9f06c719 CL |
2789 | encode_compound_hdr(xdr, req, &hdr); |
2790 | encode_create_session(xdr, args, &hdr); | |
fc931582 | 2791 | encode_nops(&hdr); |
fc931582 AA |
2792 | } |
2793 | ||
0f3e66c6 AA |
2794 | /* |
2795 | * a DESTROY_SESSION request | |
2796 | */ | |
9f06c719 CL |
2797 | static void nfs4_xdr_enc_destroy_session(struct rpc_rqst *req, |
2798 | struct xdr_stream *xdr, | |
2799 | struct nfs4_session *session) | |
0f3e66c6 | 2800 | { |
0f3e66c6 | 2801 | struct compound_hdr hdr = { |
a4432345 | 2802 | .minorversion = session->clp->cl_mvops->minor_version, |
0f3e66c6 AA |
2803 | }; |
2804 | ||
9f06c719 CL |
2805 | encode_compound_hdr(xdr, req, &hdr); |
2806 | encode_destroy_session(xdr, session, &hdr); | |
0f3e66c6 | 2807 | encode_nops(&hdr); |
0f3e66c6 AA |
2808 | } |
2809 | ||
66245539 TM |
2810 | /* |
2811 | * a DESTROY_CLIENTID request | |
2812 | */ | |
2813 | static void nfs4_xdr_enc_destroy_clientid(struct rpc_rqst *req, | |
2814 | struct xdr_stream *xdr, | |
2815 | struct nfs_client *clp) | |
2816 | { | |
2817 | struct compound_hdr hdr = { | |
2818 | .minorversion = clp->cl_mvops->minor_version, | |
2819 | }; | |
2820 | ||
2821 | encode_compound_hdr(xdr, req, &hdr); | |
2822 | encode_destroy_clientid(xdr, clp->cl_clientid, &hdr); | |
2823 | encode_nops(&hdr); | |
2824 | } | |
2825 | ||
fc01cea9 AA |
2826 | /* |
2827 | * a SEQUENCE request | |
2828 | */ | |
9f06c719 CL |
2829 | static void nfs4_xdr_enc_sequence(struct rpc_rqst *req, struct xdr_stream *xdr, |
2830 | struct nfs4_sequence_args *args) | |
fc01cea9 | 2831 | { |
fc01cea9 AA |
2832 | struct compound_hdr hdr = { |
2833 | .minorversion = nfs4_xdr_minorversion(args), | |
2834 | }; | |
2835 | ||
9f06c719 CL |
2836 | encode_compound_hdr(xdr, req, &hdr); |
2837 | encode_sequence(xdr, args, &hdr); | |
fc01cea9 | 2838 | encode_nops(&hdr); |
fc01cea9 AA |
2839 | } |
2840 | ||
2050f0cc AA |
2841 | /* |
2842 | * a GET_LEASE_TIME request | |
2843 | */ | |
9f06c719 CL |
2844 | static void nfs4_xdr_enc_get_lease_time(struct rpc_rqst *req, |
2845 | struct xdr_stream *xdr, | |
2846 | struct nfs4_get_lease_time_args *args) | |
2050f0cc | 2847 | { |
2050f0cc AA |
2848 | struct compound_hdr hdr = { |
2849 | .minorversion = nfs4_xdr_minorversion(&args->la_seq_args), | |
2850 | }; | |
dae100c2 | 2851 | const u32 lease_bitmap[3] = { FATTR4_WORD0_LEASE_TIME }; |
2050f0cc | 2852 | |
9f06c719 CL |
2853 | encode_compound_hdr(xdr, req, &hdr); |
2854 | encode_sequence(xdr, &args->la_seq_args, &hdr); | |
2855 | encode_putrootfh(xdr, &hdr); | |
2856 | encode_fsinfo(xdr, lease_bitmap, &hdr); | |
2050f0cc | 2857 | encode_nops(&hdr); |
2050f0cc | 2858 | } |
18019753 RL |
2859 | |
2860 | /* | |
2861 | * a RECLAIM_COMPLETE request | |
2862 | */ | |
9f06c719 CL |
2863 | static void nfs4_xdr_enc_reclaim_complete(struct rpc_rqst *req, |
2864 | struct xdr_stream *xdr, | |
2865 | struct nfs41_reclaim_complete_args *args) | |
18019753 | 2866 | { |
18019753 RL |
2867 | struct compound_hdr hdr = { |
2868 | .minorversion = nfs4_xdr_minorversion(&args->seq_args) | |
2869 | }; | |
2870 | ||
9f06c719 CL |
2871 | encode_compound_hdr(xdr, req, &hdr); |
2872 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2873 | encode_reclaim_complete(xdr, args, &hdr); | |
18019753 | 2874 | encode_nops(&hdr); |
18019753 RL |
2875 | } |
2876 | ||
b1f69b75 AA |
2877 | /* |
2878 | * Encode GETDEVICEINFO request | |
2879 | */ | |
9f06c719 CL |
2880 | static void nfs4_xdr_enc_getdeviceinfo(struct rpc_rqst *req, |
2881 | struct xdr_stream *xdr, | |
2882 | struct nfs4_getdeviceinfo_args *args) | |
b1f69b75 | 2883 | { |
b1f69b75 AA |
2884 | struct compound_hdr hdr = { |
2885 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2886 | }; | |
2887 | ||
9f06c719 CL |
2888 | encode_compound_hdr(xdr, req, &hdr); |
2889 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2890 | encode_getdeviceinfo(xdr, args, &hdr); | |
b1f69b75 AA |
2891 | |
2892 | /* set up reply kvec. Subtract notification bitmap max size (2) | |
2893 | * so that notification bitmap is put in xdr_buf tail */ | |
2894 | xdr_inline_pages(&req->rq_rcv_buf, (hdr.replen - 2) << 2, | |
2895 | args->pdev->pages, args->pdev->pgbase, | |
2896 | args->pdev->pglen); | |
2897 | ||
2898 | encode_nops(&hdr); | |
b1f69b75 AA |
2899 | } |
2900 | ||
2901 | /* | |
2902 | * Encode LAYOUTGET request | |
2903 | */ | |
9f06c719 CL |
2904 | static void nfs4_xdr_enc_layoutget(struct rpc_rqst *req, |
2905 | struct xdr_stream *xdr, | |
2906 | struct nfs4_layoutget_args *args) | |
b1f69b75 | 2907 | { |
b1f69b75 AA |
2908 | struct compound_hdr hdr = { |
2909 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2910 | }; | |
2911 | ||
9f06c719 CL |
2912 | encode_compound_hdr(xdr, req, &hdr); |
2913 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2914 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
2915 | encode_layoutget(xdr, args, &hdr); | |
35124a09 WAA |
2916 | |
2917 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, | |
2918 | args->layout.pages, 0, args->layout.pglen); | |
2919 | ||
b1f69b75 | 2920 | encode_nops(&hdr); |
b1f69b75 | 2921 | } |
863a3c6c AA |
2922 | |
2923 | /* | |
2924 | * Encode LAYOUTCOMMIT request | |
2925 | */ | |
cbe82603 BH |
2926 | static void nfs4_xdr_enc_layoutcommit(struct rpc_rqst *req, |
2927 | struct xdr_stream *xdr, | |
2928 | struct nfs4_layoutcommit_args *args) | |
863a3c6c | 2929 | { |
ac7db726 BH |
2930 | struct nfs4_layoutcommit_data *data = |
2931 | container_of(args, struct nfs4_layoutcommit_data, args); | |
863a3c6c AA |
2932 | struct compound_hdr hdr = { |
2933 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2934 | }; | |
2935 | ||
2936 | encode_compound_hdr(xdr, req, &hdr); | |
2937 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2938 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
ac7db726 | 2939 | encode_layoutcommit(xdr, data->args.inode, args, &hdr); |
863a3c6c | 2940 | encode_getfattr(xdr, args->bitmask, &hdr); |
b1f69b75 | 2941 | encode_nops(&hdr); |
cbe82603 BH |
2942 | } |
2943 | ||
2944 | /* | |
2945 | * Encode LAYOUTRETURN request | |
2946 | */ | |
2947 | static void nfs4_xdr_enc_layoutreturn(struct rpc_rqst *req, | |
2948 | struct xdr_stream *xdr, | |
2949 | struct nfs4_layoutreturn_args *args) | |
2950 | { | |
2951 | struct compound_hdr hdr = { | |
2952 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2953 | }; | |
2954 | ||
2955 | encode_compound_hdr(xdr, req, &hdr); | |
2956 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2957 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
2958 | encode_layoutreturn(xdr, args, &hdr); | |
2959 | encode_nops(&hdr); | |
b1f69b75 | 2960 | } |
fca78d6d BS |
2961 | |
2962 | /* | |
2963 | * Encode SECINFO_NO_NAME request | |
2964 | */ | |
2965 | static int nfs4_xdr_enc_secinfo_no_name(struct rpc_rqst *req, | |
2966 | struct xdr_stream *xdr, | |
2967 | struct nfs41_secinfo_no_name_args *args) | |
2968 | { | |
2969 | struct compound_hdr hdr = { | |
2970 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2971 | }; | |
2972 | ||
2973 | encode_compound_hdr(xdr, req, &hdr); | |
2974 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2975 | encode_putrootfh(xdr, &hdr); | |
2976 | encode_secinfo_no_name(xdr, args, &hdr); | |
2977 | encode_nops(&hdr); | |
2978 | return 0; | |
2979 | } | |
7d974794 BS |
2980 | |
2981 | /* | |
2982 | * Encode TEST_STATEID request | |
2983 | */ | |
2984 | static void nfs4_xdr_enc_test_stateid(struct rpc_rqst *req, | |
2985 | struct xdr_stream *xdr, | |
2986 | struct nfs41_test_stateid_args *args) | |
2987 | { | |
2988 | struct compound_hdr hdr = { | |
2989 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2990 | }; | |
2991 | ||
2992 | encode_compound_hdr(xdr, req, &hdr); | |
2993 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2994 | encode_test_stateid(xdr, args, &hdr); | |
2995 | encode_nops(&hdr); | |
2996 | } | |
9aeda35f BS |
2997 | |
2998 | /* | |
2999 | * Encode FREE_STATEID request | |
3000 | */ | |
3001 | static void nfs4_xdr_enc_free_stateid(struct rpc_rqst *req, | |
3002 | struct xdr_stream *xdr, | |
3003 | struct nfs41_free_stateid_args *args) | |
3004 | { | |
3005 | struct compound_hdr hdr = { | |
3006 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
3007 | }; | |
3008 | ||
3009 | encode_compound_hdr(xdr, req, &hdr); | |
3010 | encode_sequence(xdr, &args->seq_args, &hdr); | |
3011 | encode_free_stateid(xdr, args, &hdr); | |
3012 | encode_nops(&hdr); | |
3013 | } | |
99fe60d0 BH |
3014 | #endif /* CONFIG_NFS_V4_1 */ |
3015 | ||
686841b3 BH |
3016 | static void print_overflow_msg(const char *func, const struct xdr_stream *xdr) |
3017 | { | |
3018 | dprintk("nfs: %s: prematurely hit end of receive buffer. " | |
3019 | "Remaining buffer length is %tu words.\n", | |
3020 | func, xdr->end - xdr->p); | |
3021 | } | |
1da177e4 | 3022 | |
683b57b4 | 3023 | static int decode_opaque_inline(struct xdr_stream *xdr, unsigned int *len, char **string) |
1da177e4 | 3024 | { |
8687b63a | 3025 | __be32 *p; |
1da177e4 | 3026 | |
c0eae66e BH |
3027 | p = xdr_inline_decode(xdr, 4); |
3028 | if (unlikely(!p)) | |
3029 | goto out_overflow; | |
cccddf4f | 3030 | *len = be32_to_cpup(p); |
c0eae66e BH |
3031 | p = xdr_inline_decode(xdr, *len); |
3032 | if (unlikely(!p)) | |
3033 | goto out_overflow; | |
1da177e4 LT |
3034 | *string = (char *)p; |
3035 | return 0; | |
c0eae66e BH |
3036 | out_overflow: |
3037 | print_overflow_msg(__func__, xdr); | |
3038 | return -EIO; | |
1da177e4 LT |
3039 | } |
3040 | ||
3041 | static int decode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr) | |
3042 | { | |
8687b63a | 3043 | __be32 *p; |
1da177e4 | 3044 | |
c0eae66e BH |
3045 | p = xdr_inline_decode(xdr, 8); |
3046 | if (unlikely(!p)) | |
3047 | goto out_overflow; | |
6f723f77 | 3048 | hdr->status = be32_to_cpup(p++); |
cccddf4f | 3049 | hdr->taglen = be32_to_cpup(p); |
6c0195a4 | 3050 | |
c0eae66e BH |
3051 | p = xdr_inline_decode(xdr, hdr->taglen + 4); |
3052 | if (unlikely(!p)) | |
3053 | goto out_overflow; | |
1da177e4 LT |
3054 | hdr->tag = (char *)p; |
3055 | p += XDR_QUADLEN(hdr->taglen); | |
cccddf4f | 3056 | hdr->nops = be32_to_cpup(p); |
aadf6152 BH |
3057 | if (unlikely(hdr->nops < 1)) |
3058 | return nfs4_stat_to_errno(hdr->status); | |
1da177e4 | 3059 | return 0; |
c0eae66e BH |
3060 | out_overflow: |
3061 | print_overflow_msg(__func__, xdr); | |
3062 | return -EIO; | |
1da177e4 LT |
3063 | } |
3064 | ||
c7848f69 TM |
3065 | static bool __decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected, |
3066 | int *nfs_retval) | |
1da177e4 | 3067 | { |
8687b63a | 3068 | __be32 *p; |
1da177e4 LT |
3069 | uint32_t opnum; |
3070 | int32_t nfserr; | |
3071 | ||
c0eae66e BH |
3072 | p = xdr_inline_decode(xdr, 8); |
3073 | if (unlikely(!p)) | |
3074 | goto out_overflow; | |
6f723f77 | 3075 | opnum = be32_to_cpup(p++); |
c7848f69 TM |
3076 | if (unlikely(opnum != expected)) |
3077 | goto out_bad_operation; | |
cccddf4f | 3078 | nfserr = be32_to_cpup(p); |
c7848f69 TM |
3079 | if (nfserr == NFS_OK) |
3080 | *nfs_retval = 0; | |
3081 | else | |
3082 | *nfs_retval = nfs4_stat_to_errno(nfserr); | |
3083 | return true; | |
3084 | out_bad_operation: | |
3085 | dprintk("nfs: Server returned operation" | |
3086 | " %d but we issued a request for %d\n", | |
3087 | opnum, expected); | |
3088 | *nfs_retval = -EREMOTEIO; | |
3089 | return false; | |
c0eae66e BH |
3090 | out_overflow: |
3091 | print_overflow_msg(__func__, xdr); | |
c7848f69 TM |
3092 | *nfs_retval = -EIO; |
3093 | return false; | |
3094 | } | |
3095 | ||
3096 | static int decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected) | |
3097 | { | |
3098 | int retval; | |
3099 | ||
3100 | __decode_op_hdr(xdr, expected, &retval); | |
3101 | return retval; | |
1da177e4 LT |
3102 | } |
3103 | ||
3104 | /* Dummy routine */ | |
adfa6f98 | 3105 | static int decode_ace(struct xdr_stream *xdr, void *ace, struct nfs_client *clp) |
1da177e4 | 3106 | { |
8687b63a | 3107 | __be32 *p; |
683b57b4 | 3108 | unsigned int strlen; |
1da177e4 LT |
3109 | char *str; |
3110 | ||
c0eae66e BH |
3111 | p = xdr_inline_decode(xdr, 12); |
3112 | if (likely(p)) | |
3113 | return decode_opaque_inline(xdr, &strlen, &str); | |
3114 | print_overflow_msg(__func__, xdr); | |
3115 | return -EIO; | |
1da177e4 LT |
3116 | } |
3117 | ||
3118 | static int decode_attr_bitmap(struct xdr_stream *xdr, uint32_t *bitmap) | |
3119 | { | |
8687b63a AV |
3120 | uint32_t bmlen; |
3121 | __be32 *p; | |
1da177e4 | 3122 | |
c0eae66e BH |
3123 | p = xdr_inline_decode(xdr, 4); |
3124 | if (unlikely(!p)) | |
3125 | goto out_overflow; | |
cccddf4f | 3126 | bmlen = be32_to_cpup(p); |
1da177e4 | 3127 | |
dae100c2 | 3128 | bitmap[0] = bitmap[1] = bitmap[2] = 0; |
c0eae66e BH |
3129 | p = xdr_inline_decode(xdr, (bmlen << 2)); |
3130 | if (unlikely(!p)) | |
3131 | goto out_overflow; | |
1da177e4 | 3132 | if (bmlen > 0) { |
6f723f77 | 3133 | bitmap[0] = be32_to_cpup(p++); |
dae100c2 FI |
3134 | if (bmlen > 1) { |
3135 | bitmap[1] = be32_to_cpup(p++); | |
3136 | if (bmlen > 2) | |
3137 | bitmap[2] = be32_to_cpup(p); | |
3138 | } | |
1da177e4 LT |
3139 | } |
3140 | return 0; | |
c0eae66e BH |
3141 | out_overflow: |
3142 | print_overflow_msg(__func__, xdr); | |
3143 | return -EIO; | |
1da177e4 LT |
3144 | } |
3145 | ||
256e48bb | 3146 | static int decode_attr_length(struct xdr_stream *xdr, uint32_t *attrlen, unsigned int *savep) |
1da177e4 | 3147 | { |
8687b63a | 3148 | __be32 *p; |
1da177e4 | 3149 | |
c0eae66e BH |
3150 | p = xdr_inline_decode(xdr, 4); |
3151 | if (unlikely(!p)) | |
3152 | goto out_overflow; | |
cccddf4f | 3153 | *attrlen = be32_to_cpup(p); |
256e48bb | 3154 | *savep = xdr_stream_pos(xdr); |
1da177e4 | 3155 | return 0; |
c0eae66e BH |
3156 | out_overflow: |
3157 | print_overflow_msg(__func__, xdr); | |
3158 | return -EIO; | |
1da177e4 LT |
3159 | } |
3160 | ||
3161 | static int decode_attr_supported(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *bitmask) | |
3162 | { | |
3163 | if (likely(bitmap[0] & FATTR4_WORD0_SUPPORTED_ATTRS)) { | |
3388bff5 RB |
3164 | int ret; |
3165 | ret = decode_attr_bitmap(xdr, bitmask); | |
3166 | if (unlikely(ret < 0)) | |
3167 | return ret; | |
1da177e4 LT |
3168 | bitmap[0] &= ~FATTR4_WORD0_SUPPORTED_ATTRS; |
3169 | } else | |
dae100c2 FI |
3170 | bitmask[0] = bitmask[1] = bitmask[2] = 0; |
3171 | dprintk("%s: bitmask=%08x:%08x:%08x\n", __func__, | |
3172 | bitmask[0], bitmask[1], bitmask[2]); | |
1da177e4 LT |
3173 | return 0; |
3174 | } | |
3175 | ||
3176 | static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *type) | |
3177 | { | |
8687b63a | 3178 | __be32 *p; |
409924e4 | 3179 | int ret = 0; |
1da177e4 LT |
3180 | |
3181 | *type = 0; | |
3182 | if (unlikely(bitmap[0] & (FATTR4_WORD0_TYPE - 1U))) | |
3183 | return -EIO; | |
3184 | if (likely(bitmap[0] & FATTR4_WORD0_TYPE)) { | |
c0eae66e BH |
3185 | p = xdr_inline_decode(xdr, 4); |
3186 | if (unlikely(!p)) | |
3187 | goto out_overflow; | |
cccddf4f | 3188 | *type = be32_to_cpup(p); |
1da177e4 | 3189 | if (*type < NF4REG || *type > NF4NAMEDATTR) { |
3110ff80 | 3190 | dprintk("%s: bad type %d\n", __func__, *type); |
1da177e4 LT |
3191 | return -EIO; |
3192 | } | |
3193 | bitmap[0] &= ~FATTR4_WORD0_TYPE; | |
409924e4 | 3194 | ret = NFS_ATTR_FATTR_TYPE; |
1da177e4 | 3195 | } |
bca79478 | 3196 | dprintk("%s: type=0%o\n", __func__, nfs_type2fmt[*type]); |
409924e4 | 3197 | return ret; |
c0eae66e BH |
3198 | out_overflow: |
3199 | print_overflow_msg(__func__, xdr); | |
3200 | return -EIO; | |
1da177e4 LT |
3201 | } |
3202 | ||
264e6351 CL |
3203 | static int decode_attr_fh_expire_type(struct xdr_stream *xdr, |
3204 | uint32_t *bitmap, uint32_t *type) | |
3205 | { | |
3206 | __be32 *p; | |
3207 | ||
3208 | *type = 0; | |
3209 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FH_EXPIRE_TYPE - 1U))) | |
3210 | return -EIO; | |
3211 | if (likely(bitmap[0] & FATTR4_WORD0_FH_EXPIRE_TYPE)) { | |
3212 | p = xdr_inline_decode(xdr, 4); | |
3213 | if (unlikely(!p)) | |
3214 | goto out_overflow; | |
3215 | *type = be32_to_cpup(p); | |
3216 | bitmap[0] &= ~FATTR4_WORD0_FH_EXPIRE_TYPE; | |
3217 | } | |
3218 | dprintk("%s: expire type=0x%x\n", __func__, *type); | |
3219 | return 0; | |
3220 | out_overflow: | |
3221 | print_overflow_msg(__func__, xdr); | |
3222 | return -EIO; | |
3223 | } | |
3224 | ||
1da177e4 LT |
3225 | static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *change) |
3226 | { | |
8687b63a | 3227 | __be32 *p; |
409924e4 | 3228 | int ret = 0; |
1da177e4 LT |
3229 | |
3230 | *change = 0; | |
3231 | if (unlikely(bitmap[0] & (FATTR4_WORD0_CHANGE - 1U))) | |
3232 | return -EIO; | |
3233 | if (likely(bitmap[0] & FATTR4_WORD0_CHANGE)) { | |
c0eae66e BH |
3234 | p = xdr_inline_decode(xdr, 8); |
3235 | if (unlikely(!p)) | |
3236 | goto out_overflow; | |
cccddf4f | 3237 | xdr_decode_hyper(p, change); |
1da177e4 | 3238 | bitmap[0] &= ~FATTR4_WORD0_CHANGE; |
409924e4 | 3239 | ret = NFS_ATTR_FATTR_CHANGE; |
1da177e4 | 3240 | } |
3110ff80 | 3241 | dprintk("%s: change attribute=%Lu\n", __func__, |
1da177e4 | 3242 | (unsigned long long)*change); |
409924e4 | 3243 | return ret; |
c0eae66e BH |
3244 | out_overflow: |
3245 | print_overflow_msg(__func__, xdr); | |
3246 | return -EIO; | |
1da177e4 LT |
3247 | } |
3248 | ||
3249 | static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *size) | |
3250 | { | |
8687b63a | 3251 | __be32 *p; |
409924e4 | 3252 | int ret = 0; |
1da177e4 LT |
3253 | |
3254 | *size = 0; | |
3255 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SIZE - 1U))) | |
3256 | return -EIO; | |
3257 | if (likely(bitmap[0] & FATTR4_WORD0_SIZE)) { | |
c0eae66e BH |
3258 | p = xdr_inline_decode(xdr, 8); |
3259 | if (unlikely(!p)) | |
3260 | goto out_overflow; | |
cccddf4f | 3261 | xdr_decode_hyper(p, size); |
1da177e4 | 3262 | bitmap[0] &= ~FATTR4_WORD0_SIZE; |
409924e4 | 3263 | ret = NFS_ATTR_FATTR_SIZE; |
1da177e4 | 3264 | } |
3110ff80 | 3265 | dprintk("%s: file size=%Lu\n", __func__, (unsigned long long)*size); |
409924e4 | 3266 | return ret; |
c0eae66e BH |
3267 | out_overflow: |
3268 | print_overflow_msg(__func__, xdr); | |
3269 | return -EIO; | |
1da177e4 LT |
3270 | } |
3271 | ||
3272 | static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3273 | { | |
8687b63a | 3274 | __be32 *p; |
1da177e4 LT |
3275 | |
3276 | *res = 0; | |
3277 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LINK_SUPPORT - 1U))) | |
3278 | return -EIO; | |
3279 | if (likely(bitmap[0] & FATTR4_WORD0_LINK_SUPPORT)) { | |
c0eae66e BH |
3280 | p = xdr_inline_decode(xdr, 4); |
3281 | if (unlikely(!p)) | |
3282 | goto out_overflow; | |
cccddf4f | 3283 | *res = be32_to_cpup(p); |
1da177e4 LT |
3284 | bitmap[0] &= ~FATTR4_WORD0_LINK_SUPPORT; |
3285 | } | |
3110ff80 | 3286 | dprintk("%s: link support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 | 3287 | return 0; |
c0eae66e BH |
3288 | out_overflow: |
3289 | print_overflow_msg(__func__, xdr); | |
3290 | return -EIO; | |
1da177e4 LT |
3291 | } |
3292 | ||
3293 | static int decode_attr_symlink_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3294 | { | |
8687b63a | 3295 | __be32 *p; |
1da177e4 LT |
3296 | |
3297 | *res = 0; | |
3298 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SYMLINK_SUPPORT - 1U))) | |
3299 | return -EIO; | |
3300 | if (likely(bitmap[0] & FATTR4_WORD0_SYMLINK_SUPPORT)) { | |
c0eae66e BH |
3301 | p = xdr_inline_decode(xdr, 4); |
3302 | if (unlikely(!p)) | |
3303 | goto out_overflow; | |
cccddf4f | 3304 | *res = be32_to_cpup(p); |
1da177e4 LT |
3305 | bitmap[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT; |
3306 | } | |
3110ff80 | 3307 | dprintk("%s: symlink support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 | 3308 | return 0; |
c0eae66e BH |
3309 | out_overflow: |
3310 | print_overflow_msg(__func__, xdr); | |
3311 | return -EIO; | |
1da177e4 LT |
3312 | } |
3313 | ||
8b4bdcf8 | 3314 | static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fsid *fsid) |
1da177e4 | 3315 | { |
8687b63a | 3316 | __be32 *p; |
409924e4 | 3317 | int ret = 0; |
1da177e4 LT |
3318 | |
3319 | fsid->major = 0; | |
3320 | fsid->minor = 0; | |
3321 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FSID - 1U))) | |
3322 | return -EIO; | |
3323 | if (likely(bitmap[0] & FATTR4_WORD0_FSID)) { | |
c0eae66e BH |
3324 | p = xdr_inline_decode(xdr, 16); |
3325 | if (unlikely(!p)) | |
3326 | goto out_overflow; | |
3ceb4dbb | 3327 | p = xdr_decode_hyper(p, &fsid->major); |
cccddf4f | 3328 | xdr_decode_hyper(p, &fsid->minor); |
1da177e4 | 3329 | bitmap[0] &= ~FATTR4_WORD0_FSID; |
409924e4 | 3330 | ret = NFS_ATTR_FATTR_FSID; |
1da177e4 | 3331 | } |
3110ff80 | 3332 | dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __func__, |
1da177e4 LT |
3333 | (unsigned long long)fsid->major, |
3334 | (unsigned long long)fsid->minor); | |
409924e4 | 3335 | return ret; |
c0eae66e BH |
3336 | out_overflow: |
3337 | print_overflow_msg(__func__, xdr); | |
3338 | return -EIO; | |
1da177e4 LT |
3339 | } |
3340 | ||
3341 | static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3342 | { | |
8687b63a | 3343 | __be32 *p; |
1da177e4 LT |
3344 | |
3345 | *res = 60; | |
3346 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LEASE_TIME - 1U))) | |
3347 | return -EIO; | |
3348 | if (likely(bitmap[0] & FATTR4_WORD0_LEASE_TIME)) { | |
c0eae66e BH |
3349 | p = xdr_inline_decode(xdr, 4); |
3350 | if (unlikely(!p)) | |
3351 | goto out_overflow; | |
cccddf4f | 3352 | *res = be32_to_cpup(p); |
1da177e4 LT |
3353 | bitmap[0] &= ~FATTR4_WORD0_LEASE_TIME; |
3354 | } | |
3110ff80 | 3355 | dprintk("%s: file size=%u\n", __func__, (unsigned int)*res); |
1da177e4 | 3356 | return 0; |
c0eae66e BH |
3357 | out_overflow: |
3358 | print_overflow_msg(__func__, xdr); | |
3359 | return -EIO; | |
1da177e4 LT |
3360 | } |
3361 | ||
ee7b75fc | 3362 | static int decode_attr_error(struct xdr_stream *xdr, uint32_t *bitmap, int32_t *res) |
ae42c70a BS |
3363 | { |
3364 | __be32 *p; | |
3365 | ||
3366 | if (unlikely(bitmap[0] & (FATTR4_WORD0_RDATTR_ERROR - 1U))) | |
3367 | return -EIO; | |
3368 | if (likely(bitmap[0] & FATTR4_WORD0_RDATTR_ERROR)) { | |
3369 | p = xdr_inline_decode(xdr, 4); | |
3370 | if (unlikely(!p)) | |
3371 | goto out_overflow; | |
3372 | bitmap[0] &= ~FATTR4_WORD0_RDATTR_ERROR; | |
ee7b75fc | 3373 | *res = -be32_to_cpup(p); |
ae42c70a BS |
3374 | } |
3375 | return 0; | |
3376 | out_overflow: | |
3377 | print_overflow_msg(__func__, xdr); | |
3378 | return -EIO; | |
3379 | } | |
3380 | ||
8c61282f KM |
3381 | static int decode_attr_exclcreat_supported(struct xdr_stream *xdr, |
3382 | uint32_t *bitmap, uint32_t *bitmask) | |
3383 | { | |
3384 | if (likely(bitmap[2] & FATTR4_WORD2_SUPPATTR_EXCLCREAT)) { | |
3385 | int ret; | |
3386 | ret = decode_attr_bitmap(xdr, bitmask); | |
3387 | if (unlikely(ret < 0)) | |
3388 | return ret; | |
3389 | bitmap[2] &= ~FATTR4_WORD2_SUPPATTR_EXCLCREAT; | |
3390 | } else | |
3391 | bitmask[0] = bitmask[1] = bitmask[2] = 0; | |
3392 | dprintk("%s: bitmask=%08x:%08x:%08x\n", __func__, | |
3393 | bitmask[0], bitmask[1], bitmask[2]); | |
3394 | return 0; | |
3395 | } | |
3396 | ||
ae42c70a BS |
3397 | static int decode_attr_filehandle(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fh *fh) |
3398 | { | |
3399 | __be32 *p; | |
3400 | int len; | |
3401 | ||
7ad07353 TM |
3402 | if (fh != NULL) |
3403 | memset(fh, 0, sizeof(*fh)); | |
ae42c70a BS |
3404 | |
3405 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEHANDLE - 1U))) | |
3406 | return -EIO; | |
3407 | if (likely(bitmap[0] & FATTR4_WORD0_FILEHANDLE)) { | |
3408 | p = xdr_inline_decode(xdr, 4); | |
3409 | if (unlikely(!p)) | |
3410 | goto out_overflow; | |
3411 | len = be32_to_cpup(p); | |
3412 | if (len > NFS4_FHSIZE) | |
3413 | return -EIO; | |
ae42c70a BS |
3414 | p = xdr_inline_decode(xdr, len); |
3415 | if (unlikely(!p)) | |
3416 | goto out_overflow; | |
7ad07353 TM |
3417 | if (fh != NULL) { |
3418 | memcpy(fh->data, p, len); | |
3419 | fh->size = len; | |
3420 | } | |
ae42c70a BS |
3421 | bitmap[0] &= ~FATTR4_WORD0_FILEHANDLE; |
3422 | } | |
3423 | return 0; | |
3424 | out_overflow: | |
3425 | print_overflow_msg(__func__, xdr); | |
3426 | return -EIO; | |
3427 | } | |
3428 | ||
1da177e4 LT |
3429 | static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) |
3430 | { | |
8687b63a | 3431 | __be32 *p; |
1da177e4 | 3432 | |
a1800aca | 3433 | *res = 0; |
1da177e4 LT |
3434 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACLSUPPORT - 1U))) |
3435 | return -EIO; | |
3436 | if (likely(bitmap[0] & FATTR4_WORD0_ACLSUPPORT)) { | |
c0eae66e BH |
3437 | p = xdr_inline_decode(xdr, 4); |
3438 | if (unlikely(!p)) | |
3439 | goto out_overflow; | |
cccddf4f | 3440 | *res = be32_to_cpup(p); |
1da177e4 LT |
3441 | bitmap[0] &= ~FATTR4_WORD0_ACLSUPPORT; |
3442 | } | |
3110ff80 | 3443 | dprintk("%s: ACLs supported=%u\n", __func__, (unsigned int)*res); |
1da177e4 | 3444 | return 0; |
c0eae66e BH |
3445 | out_overflow: |
3446 | print_overflow_msg(__func__, xdr); | |
3447 | return -EIO; | |
1da177e4 LT |
3448 | } |
3449 | ||
3450 | static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) | |
3451 | { | |
8687b63a | 3452 | __be32 *p; |
409924e4 | 3453 | int ret = 0; |
1da177e4 LT |
3454 | |
3455 | *fileid = 0; | |
3456 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEID - 1U))) | |
3457 | return -EIO; | |
3458 | if (likely(bitmap[0] & FATTR4_WORD0_FILEID)) { | |
c0eae66e BH |
3459 | p = xdr_inline_decode(xdr, 8); |
3460 | if (unlikely(!p)) | |
3461 | goto out_overflow; | |
cccddf4f | 3462 | xdr_decode_hyper(p, fileid); |
1da177e4 | 3463 | bitmap[0] &= ~FATTR4_WORD0_FILEID; |
409924e4 | 3464 | ret = NFS_ATTR_FATTR_FILEID; |
1da177e4 | 3465 | } |
3110ff80 | 3466 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
409924e4 | 3467 | return ret; |
c0eae66e BH |
3468 | out_overflow: |
3469 | print_overflow_msg(__func__, xdr); | |
3470 | return -EIO; | |
1da177e4 LT |
3471 | } |
3472 | ||
99baf625 MN |
3473 | static int decode_attr_mounted_on_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) |
3474 | { | |
8687b63a | 3475 | __be32 *p; |
409924e4 | 3476 | int ret = 0; |
99baf625 MN |
3477 | |
3478 | *fileid = 0; | |
3479 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MOUNTED_ON_FILEID - 1U))) | |
3480 | return -EIO; | |
3481 | if (likely(bitmap[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) { | |
c0eae66e BH |
3482 | p = xdr_inline_decode(xdr, 8); |
3483 | if (unlikely(!p)) | |
3484 | goto out_overflow; | |
cccddf4f | 3485 | xdr_decode_hyper(p, fileid); |
99baf625 | 3486 | bitmap[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID; |
28331a46 | 3487 | ret = NFS_ATTR_FATTR_MOUNTED_ON_FILEID; |
99baf625 | 3488 | } |
3110ff80 | 3489 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
409924e4 | 3490 | return ret; |
c0eae66e BH |
3491 | out_overflow: |
3492 | print_overflow_msg(__func__, xdr); | |
3493 | return -EIO; | |
99baf625 MN |
3494 | } |
3495 | ||
1da177e4 LT |
3496 | static int decode_attr_files_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
3497 | { | |
8687b63a | 3498 | __be32 *p; |
1da177e4 LT |
3499 | int status = 0; |
3500 | ||
3501 | *res = 0; | |
3502 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_AVAIL - 1U))) | |
3503 | return -EIO; | |
3504 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_AVAIL)) { | |
c0eae66e BH |
3505 | p = xdr_inline_decode(xdr, 8); |
3506 | if (unlikely(!p)) | |
3507 | goto out_overflow; | |
cccddf4f | 3508 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3509 | bitmap[0] &= ~FATTR4_WORD0_FILES_AVAIL; |
3510 | } | |
3110ff80 | 3511 | dprintk("%s: files avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3512 | return status; |
c0eae66e BH |
3513 | out_overflow: |
3514 | print_overflow_msg(__func__, xdr); | |
3515 | return -EIO; | |
1da177e4 LT |
3516 | } |
3517 | ||
3518 | static int decode_attr_files_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3519 | { | |
8687b63a | 3520 | __be32 *p; |
1da177e4 LT |
3521 | int status = 0; |
3522 | ||
3523 | *res = 0; | |
3524 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_FREE - 1U))) | |
3525 | return -EIO; | |
3526 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_FREE)) { | |
c0eae66e BH |
3527 | p = xdr_inline_decode(xdr, 8); |
3528 | if (unlikely(!p)) | |
3529 | goto out_overflow; | |
cccddf4f | 3530 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3531 | bitmap[0] &= ~FATTR4_WORD0_FILES_FREE; |
3532 | } | |
3110ff80 | 3533 | dprintk("%s: files free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3534 | return status; |
c0eae66e BH |
3535 | out_overflow: |
3536 | print_overflow_msg(__func__, xdr); | |
3537 | return -EIO; | |
1da177e4 LT |
3538 | } |
3539 | ||
3540 | static int decode_attr_files_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3541 | { | |
8687b63a | 3542 | __be32 *p; |
1da177e4 LT |
3543 | int status = 0; |
3544 | ||
3545 | *res = 0; | |
3546 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_TOTAL - 1U))) | |
3547 | return -EIO; | |
3548 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_TOTAL)) { | |
c0eae66e BH |
3549 | p = xdr_inline_decode(xdr, 8); |
3550 | if (unlikely(!p)) | |
3551 | goto out_overflow; | |
cccddf4f | 3552 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3553 | bitmap[0] &= ~FATTR4_WORD0_FILES_TOTAL; |
3554 | } | |
3110ff80 | 3555 | dprintk("%s: files total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3556 | return status; |
c0eae66e BH |
3557 | out_overflow: |
3558 | print_overflow_msg(__func__, xdr); | |
3559 | return -EIO; | |
1da177e4 LT |
3560 | } |
3561 | ||
7aaa0b3b MN |
3562 | static int decode_pathname(struct xdr_stream *xdr, struct nfs4_pathname *path) |
3563 | { | |
464ad6b1 | 3564 | u32 n; |
8687b63a | 3565 | __be32 *p; |
7aaa0b3b MN |
3566 | int status = 0; |
3567 | ||
c0eae66e BH |
3568 | p = xdr_inline_decode(xdr, 4); |
3569 | if (unlikely(!p)) | |
3570 | goto out_overflow; | |
cccddf4f | 3571 | n = be32_to_cpup(p); |
33a43f28 AA |
3572 | if (n == 0) |
3573 | goto root_path; | |
02a2976c | 3574 | dprintk("pathname4: "); |
809b426c TM |
3575 | if (n > NFS4_PATHNAME_MAXCOMPONENTS) { |
3576 | dprintk("cannot parse %d components in path\n", n); | |
3577 | goto out_eio; | |
3578 | } | |
3579 | for (path->ncomponents = 0; path->ncomponents < n; path->ncomponents++) { | |
7aaa0b3b MN |
3580 | struct nfs4_string *component = &path->components[path->ncomponents]; |
3581 | status = decode_opaque_inline(xdr, &component->len, &component->data); | |
3582 | if (unlikely(status != 0)) | |
3583 | goto out_eio; | |
95a13f7b | 3584 | ifdebug (XDR) |
02a2976c CL |
3585 | pr_cont("%s%.*s ", |
3586 | (path->ncomponents != n ? "/ " : ""), | |
3587 | component->len, component->data); | |
7aaa0b3b MN |
3588 | } |
3589 | out: | |
7aaa0b3b | 3590 | return status; |
33a43f28 AA |
3591 | root_path: |
3592 | /* a root pathname is sent as a zero component4 */ | |
3593 | path->ncomponents = 1; | |
3594 | path->components[0].len=0; | |
3595 | path->components[0].data=NULL; | |
02a2976c | 3596 | dprintk("pathname4: /\n"); |
33a43f28 | 3597 | goto out; |
7aaa0b3b MN |
3598 | out_eio: |
3599 | dprintk(" status %d", status); | |
3600 | status = -EIO; | |
3601 | goto out; | |
c0eae66e BH |
3602 | out_overflow: |
3603 | print_overflow_msg(__func__, xdr); | |
3604 | return -EIO; | |
7aaa0b3b MN |
3605 | } |
3606 | ||
3607 | static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_fs_locations *res) | |
683b57b4 TM |
3608 | { |
3609 | int n; | |
8687b63a | 3610 | __be32 *p; |
683b57b4 TM |
3611 | int status = -EIO; |
3612 | ||
3613 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FS_LOCATIONS -1U))) | |
3614 | goto out; | |
3615 | status = 0; | |
3616 | if (unlikely(!(bitmap[0] & FATTR4_WORD0_FS_LOCATIONS))) | |
3617 | goto out; | |
f54423a1 | 3618 | bitmap[0] &= ~FATTR4_WORD0_FS_LOCATIONS; |
8b7e3f49 TM |
3619 | status = -EIO; |
3620 | /* Ignore borken servers that return unrequested attrs */ | |
3621 | if (unlikely(res == NULL)) | |
3622 | goto out; | |
02a2976c | 3623 | dprintk("%s: fsroot:\n", __func__); |
7aaa0b3b | 3624 | status = decode_pathname(xdr, &res->fs_path); |
683b57b4 TM |
3625 | if (unlikely(status != 0)) |
3626 | goto out; | |
c0eae66e BH |
3627 | p = xdr_inline_decode(xdr, 4); |
3628 | if (unlikely(!p)) | |
3629 | goto out_overflow; | |
cccddf4f | 3630 | n = be32_to_cpup(p); |
683b57b4 TM |
3631 | if (n <= 0) |
3632 | goto out_eio; | |
809b426c | 3633 | for (res->nlocations = 0; res->nlocations < n; res->nlocations++) { |
464ad6b1 | 3634 | u32 m; |
809b426c | 3635 | struct nfs4_fs_location *loc; |
683b57b4 | 3636 | |
809b426c TM |
3637 | if (res->nlocations == NFS4_FS_LOCATIONS_MAXENTRIES) |
3638 | break; | |
3639 | loc = &res->locations[res->nlocations]; | |
c0eae66e BH |
3640 | p = xdr_inline_decode(xdr, 4); |
3641 | if (unlikely(!p)) | |
3642 | goto out_overflow; | |
cccddf4f | 3643 | m = be32_to_cpup(p); |
7aaa0b3b | 3644 | |
02a2976c | 3645 | dprintk("%s: servers:\n", __func__); |
809b426c TM |
3646 | for (loc->nservers = 0; loc->nservers < m; loc->nservers++) { |
3647 | struct nfs4_string *server; | |
3648 | ||
3649 | if (loc->nservers == NFS4_FS_LOCATION_MAXSERVERS) { | |
464ad6b1 CL |
3650 | unsigned int i; |
3651 | dprintk("%s: using first %u of %u servers " | |
3652 | "returned for location %u\n", | |
3110ff80 | 3653 | __func__, |
464ad6b1 CL |
3654 | NFS4_FS_LOCATION_MAXSERVERS, |
3655 | m, res->nlocations); | |
7aaa0b3b | 3656 | for (i = loc->nservers; i < m; i++) { |
2e42c3e2 | 3657 | unsigned int len; |
7aaa0b3b MN |
3658 | char *data; |
3659 | status = decode_opaque_inline(xdr, &len, &data); | |
3660 | if (unlikely(status != 0)) | |
3661 | goto out_eio; | |
3662 | } | |
809b426c | 3663 | break; |
7aaa0b3b | 3664 | } |
809b426c TM |
3665 | server = &loc->servers[loc->nservers]; |
3666 | status = decode_opaque_inline(xdr, &server->len, &server->data); | |
3667 | if (unlikely(status != 0)) | |
3668 | goto out_eio; | |
3669 | dprintk("%s ", server->data); | |
7aaa0b3b MN |
3670 | } |
3671 | status = decode_pathname(xdr, &loc->rootpath); | |
683b57b4 TM |
3672 | if (unlikely(status != 0)) |
3673 | goto out_eio; | |
683b57b4 | 3674 | } |
409924e4 | 3675 | if (res->nlocations != 0) |
81934ddb | 3676 | status = NFS_ATTR_FATTR_V4_LOCATIONS; |
683b57b4 | 3677 | out: |
3110ff80 | 3678 | dprintk("%s: fs_locations done, error = %d\n", __func__, status); |
683b57b4 | 3679 | return status; |
c0eae66e BH |
3680 | out_overflow: |
3681 | print_overflow_msg(__func__, xdr); | |
683b57b4 TM |
3682 | out_eio: |
3683 | status = -EIO; | |
3684 | goto out; | |
3685 | } | |
3686 | ||
1da177e4 LT |
3687 | static int decode_attr_maxfilesize(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
3688 | { | |
8687b63a | 3689 | __be32 *p; |
1da177e4 LT |
3690 | int status = 0; |
3691 | ||
3692 | *res = 0; | |
3693 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXFILESIZE - 1U))) | |
3694 | return -EIO; | |
3695 | if (likely(bitmap[0] & FATTR4_WORD0_MAXFILESIZE)) { | |
c0eae66e BH |
3696 | p = xdr_inline_decode(xdr, 8); |
3697 | if (unlikely(!p)) | |
3698 | goto out_overflow; | |
cccddf4f | 3699 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3700 | bitmap[0] &= ~FATTR4_WORD0_MAXFILESIZE; |
3701 | } | |
3110ff80 | 3702 | dprintk("%s: maxfilesize=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3703 | return status; |
c0eae66e BH |
3704 | out_overflow: |
3705 | print_overflow_msg(__func__, xdr); | |
3706 | return -EIO; | |
1da177e4 LT |
3707 | } |
3708 | ||
3709 | static int decode_attr_maxlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxlink) | |
3710 | { | |
8687b63a | 3711 | __be32 *p; |
1da177e4 LT |
3712 | int status = 0; |
3713 | ||
3714 | *maxlink = 1; | |
3715 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXLINK - 1U))) | |
3716 | return -EIO; | |
3717 | if (likely(bitmap[0] & FATTR4_WORD0_MAXLINK)) { | |
c0eae66e BH |
3718 | p = xdr_inline_decode(xdr, 4); |
3719 | if (unlikely(!p)) | |
3720 | goto out_overflow; | |
cccddf4f | 3721 | *maxlink = be32_to_cpup(p); |
1da177e4 LT |
3722 | bitmap[0] &= ~FATTR4_WORD0_MAXLINK; |
3723 | } | |
3110ff80 | 3724 | dprintk("%s: maxlink=%u\n", __func__, *maxlink); |
1da177e4 | 3725 | return status; |
c0eae66e BH |
3726 | out_overflow: |
3727 | print_overflow_msg(__func__, xdr); | |
3728 | return -EIO; | |
1da177e4 LT |
3729 | } |
3730 | ||
3731 | static int decode_attr_maxname(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxname) | |
3732 | { | |
8687b63a | 3733 | __be32 *p; |
1da177e4 LT |
3734 | int status = 0; |
3735 | ||
3736 | *maxname = 1024; | |
3737 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXNAME - 1U))) | |
3738 | return -EIO; | |
3739 | if (likely(bitmap[0] & FATTR4_WORD0_MAXNAME)) { | |
c0eae66e BH |
3740 | p = xdr_inline_decode(xdr, 4); |
3741 | if (unlikely(!p)) | |
3742 | goto out_overflow; | |
cccddf4f | 3743 | *maxname = be32_to_cpup(p); |
1da177e4 LT |
3744 | bitmap[0] &= ~FATTR4_WORD0_MAXNAME; |
3745 | } | |
3110ff80 | 3746 | dprintk("%s: maxname=%u\n", __func__, *maxname); |
1da177e4 | 3747 | return status; |
c0eae66e BH |
3748 | out_overflow: |
3749 | print_overflow_msg(__func__, xdr); | |
3750 | return -EIO; | |
1da177e4 LT |
3751 | } |
3752 | ||
3753 | static int decode_attr_maxread(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3754 | { | |
8687b63a | 3755 | __be32 *p; |
1da177e4 LT |
3756 | int status = 0; |
3757 | ||
3758 | *res = 1024; | |
3759 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXREAD - 1U))) | |
3760 | return -EIO; | |
3761 | if (likely(bitmap[0] & FATTR4_WORD0_MAXREAD)) { | |
3762 | uint64_t maxread; | |
c0eae66e BH |
3763 | p = xdr_inline_decode(xdr, 8); |
3764 | if (unlikely(!p)) | |
3765 | goto out_overflow; | |
cccddf4f | 3766 | xdr_decode_hyper(p, &maxread); |
1da177e4 LT |
3767 | if (maxread > 0x7FFFFFFF) |
3768 | maxread = 0x7FFFFFFF; | |
3769 | *res = (uint32_t)maxread; | |
3770 | bitmap[0] &= ~FATTR4_WORD0_MAXREAD; | |
3771 | } | |
3110ff80 | 3772 | dprintk("%s: maxread=%lu\n", __func__, (unsigned long)*res); |
1da177e4 | 3773 | return status; |
c0eae66e BH |
3774 | out_overflow: |
3775 | print_overflow_msg(__func__, xdr); | |
3776 | return -EIO; | |
1da177e4 LT |
3777 | } |
3778 | ||
3779 | static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3780 | { | |
8687b63a | 3781 | __be32 *p; |
1da177e4 LT |
3782 | int status = 0; |
3783 | ||
3784 | *res = 1024; | |
3785 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXWRITE - 1U))) | |
3786 | return -EIO; | |
3787 | if (likely(bitmap[0] & FATTR4_WORD0_MAXWRITE)) { | |
3788 | uint64_t maxwrite; | |
c0eae66e BH |
3789 | p = xdr_inline_decode(xdr, 8); |
3790 | if (unlikely(!p)) | |
3791 | goto out_overflow; | |
cccddf4f | 3792 | xdr_decode_hyper(p, &maxwrite); |
1da177e4 LT |
3793 | if (maxwrite > 0x7FFFFFFF) |
3794 | maxwrite = 0x7FFFFFFF; | |
3795 | *res = (uint32_t)maxwrite; | |
3796 | bitmap[0] &= ~FATTR4_WORD0_MAXWRITE; | |
3797 | } | |
3110ff80 | 3798 | dprintk("%s: maxwrite=%lu\n", __func__, (unsigned long)*res); |
1da177e4 | 3799 | return status; |
c0eae66e BH |
3800 | out_overflow: |
3801 | print_overflow_msg(__func__, xdr); | |
3802 | return -EIO; | |
1da177e4 LT |
3803 | } |
3804 | ||
bca79478 | 3805 | static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, umode_t *mode) |
1da177e4 | 3806 | { |
bca79478 | 3807 | uint32_t tmp; |
8687b63a | 3808 | __be32 *p; |
409924e4 | 3809 | int ret = 0; |
1da177e4 LT |
3810 | |
3811 | *mode = 0; | |
3812 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MODE - 1U))) | |
3813 | return -EIO; | |
3814 | if (likely(bitmap[1] & FATTR4_WORD1_MODE)) { | |
c0eae66e BH |
3815 | p = xdr_inline_decode(xdr, 4); |
3816 | if (unlikely(!p)) | |
3817 | goto out_overflow; | |
cccddf4f | 3818 | tmp = be32_to_cpup(p); |
bca79478 | 3819 | *mode = tmp & ~S_IFMT; |
1da177e4 | 3820 | bitmap[1] &= ~FATTR4_WORD1_MODE; |
409924e4 | 3821 | ret = NFS_ATTR_FATTR_MODE; |
1da177e4 | 3822 | } |
3110ff80 | 3823 | dprintk("%s: file mode=0%o\n", __func__, (unsigned int)*mode); |
409924e4 | 3824 | return ret; |
c0eae66e BH |
3825 | out_overflow: |
3826 | print_overflow_msg(__func__, xdr); | |
3827 | return -EIO; | |
1da177e4 LT |
3828 | } |
3829 | ||
3830 | static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *nlink) | |
3831 | { | |
8687b63a | 3832 | __be32 *p; |
409924e4 | 3833 | int ret = 0; |
1da177e4 LT |
3834 | |
3835 | *nlink = 1; | |
3836 | if (unlikely(bitmap[1] & (FATTR4_WORD1_NUMLINKS - 1U))) | |
3837 | return -EIO; | |
3838 | if (likely(bitmap[1] & FATTR4_WORD1_NUMLINKS)) { | |
c0eae66e BH |
3839 | p = xdr_inline_decode(xdr, 4); |
3840 | if (unlikely(!p)) | |
3841 | goto out_overflow; | |
cccddf4f | 3842 | *nlink = be32_to_cpup(p); |
1da177e4 | 3843 | bitmap[1] &= ~FATTR4_WORD1_NUMLINKS; |
409924e4 | 3844 | ret = NFS_ATTR_FATTR_NLINK; |
1da177e4 | 3845 | } |
3110ff80 | 3846 | dprintk("%s: nlink=%u\n", __func__, (unsigned int)*nlink); |
409924e4 | 3847 | return ret; |
c0eae66e BH |
3848 | out_overflow: |
3849 | print_overflow_msg(__func__, xdr); | |
3850 | return -EIO; | |
1da177e4 LT |
3851 | } |
3852 | ||
80e52ace | 3853 | static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, |
e5782076 | 3854 | const struct nfs_server *server, kuid_t *uid, |
6926afd1 | 3855 | struct nfs4_string *owner_name) |
1da177e4 | 3856 | { |
8687b63a AV |
3857 | uint32_t len; |
3858 | __be32 *p; | |
409924e4 | 3859 | int ret = 0; |
1da177e4 | 3860 | |
e5782076 | 3861 | *uid = make_kuid(&init_user_ns, -2); |
1da177e4 LT |
3862 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER - 1U))) |
3863 | return -EIO; | |
3864 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER)) { | |
c0eae66e BH |
3865 | p = xdr_inline_decode(xdr, 4); |
3866 | if (unlikely(!p)) | |
3867 | goto out_overflow; | |
cccddf4f | 3868 | len = be32_to_cpup(p); |
c0eae66e BH |
3869 | p = xdr_inline_decode(xdr, len); |
3870 | if (unlikely(!p)) | |
3871 | goto out_overflow; | |
6926afd1 TM |
3872 | if (owner_name != NULL) { |
3873 | owner_name->data = kmemdup(p, len, GFP_NOWAIT); | |
3874 | if (owner_name->data != NULL) { | |
3875 | owner_name->len = len; | |
3876 | ret = NFS_ATTR_FATTR_OWNER_NAME; | |
3877 | } | |
80e52ace | 3878 | } else if (len < XDR_MAX_NETOBJ) { |
e4fd72a1 | 3879 | if (nfs_map_name_to_uid(server, (char *)p, len, uid) == 0) |
409924e4 TM |
3880 | ret = NFS_ATTR_FATTR_OWNER; |
3881 | else | |
1da177e4 | 3882 | dprintk("%s: nfs_map_name_to_uid failed!\n", |
3110ff80 | 3883 | __func__); |
1da177e4 | 3884 | } else |
fe82a183 | 3885 | dprintk("%s: name too long (%u)!\n", |
3110ff80 | 3886 | __func__, len); |
1da177e4 LT |
3887 | bitmap[1] &= ~FATTR4_WORD1_OWNER; |
3888 | } | |
e5782076 | 3889 | dprintk("%s: uid=%d\n", __func__, (int)from_kuid(&init_user_ns, *uid)); |
409924e4 | 3890 | return ret; |
c0eae66e BH |
3891 | out_overflow: |
3892 | print_overflow_msg(__func__, xdr); | |
3893 | return -EIO; | |
1da177e4 LT |
3894 | } |
3895 | ||
80e52ace | 3896 | static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, |
e5782076 | 3897 | const struct nfs_server *server, kgid_t *gid, |
6926afd1 | 3898 | struct nfs4_string *group_name) |
1da177e4 | 3899 | { |
8687b63a AV |
3900 | uint32_t len; |
3901 | __be32 *p; | |
409924e4 | 3902 | int ret = 0; |
1da177e4 | 3903 | |
e5782076 | 3904 | *gid = make_kgid(&init_user_ns, -2); |
1da177e4 LT |
3905 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER_GROUP - 1U))) |
3906 | return -EIO; | |
3907 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER_GROUP)) { | |
c0eae66e BH |
3908 | p = xdr_inline_decode(xdr, 4); |
3909 | if (unlikely(!p)) | |
3910 | goto out_overflow; | |
cccddf4f | 3911 | len = be32_to_cpup(p); |
c0eae66e BH |
3912 | p = xdr_inline_decode(xdr, len); |
3913 | if (unlikely(!p)) | |
3914 | goto out_overflow; | |
6926afd1 TM |
3915 | if (group_name != NULL) { |
3916 | group_name->data = kmemdup(p, len, GFP_NOWAIT); | |
3917 | if (group_name->data != NULL) { | |
3918 | group_name->len = len; | |
3919 | ret = NFS_ATTR_FATTR_GROUP_NAME; | |
3920 | } | |
80e52ace | 3921 | } else if (len < XDR_MAX_NETOBJ) { |
e4fd72a1 | 3922 | if (nfs_map_group_to_gid(server, (char *)p, len, gid) == 0) |
409924e4 TM |
3923 | ret = NFS_ATTR_FATTR_GROUP; |
3924 | else | |
1da177e4 | 3925 | dprintk("%s: nfs_map_group_to_gid failed!\n", |
3110ff80 | 3926 | __func__); |
1da177e4 | 3927 | } else |
fe82a183 | 3928 | dprintk("%s: name too long (%u)!\n", |
3110ff80 | 3929 | __func__, len); |
1da177e4 LT |
3930 | bitmap[1] &= ~FATTR4_WORD1_OWNER_GROUP; |
3931 | } | |
e5782076 | 3932 | dprintk("%s: gid=%d\n", __func__, (int)from_kgid(&init_user_ns, *gid)); |
409924e4 | 3933 | return ret; |
c0eae66e BH |
3934 | out_overflow: |
3935 | print_overflow_msg(__func__, xdr); | |
3936 | return -EIO; | |
1da177e4 LT |
3937 | } |
3938 | ||
3939 | static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rdev) | |
3940 | { | |
8687b63a AV |
3941 | uint32_t major = 0, minor = 0; |
3942 | __be32 *p; | |
409924e4 | 3943 | int ret = 0; |
1da177e4 LT |
3944 | |
3945 | *rdev = MKDEV(0,0); | |
3946 | if (unlikely(bitmap[1] & (FATTR4_WORD1_RAWDEV - 1U))) | |
3947 | return -EIO; | |
3948 | if (likely(bitmap[1] & FATTR4_WORD1_RAWDEV)) { | |
3949 | dev_t tmp; | |
3950 | ||
c0eae66e BH |
3951 | p = xdr_inline_decode(xdr, 8); |
3952 | if (unlikely(!p)) | |
3953 | goto out_overflow; | |
6f723f77 | 3954 | major = be32_to_cpup(p++); |
cccddf4f | 3955 | minor = be32_to_cpup(p); |
1da177e4 LT |
3956 | tmp = MKDEV(major, minor); |
3957 | if (MAJOR(tmp) == major && MINOR(tmp) == minor) | |
3958 | *rdev = tmp; | |
3959 | bitmap[1] &= ~ FATTR4_WORD1_RAWDEV; | |
409924e4 | 3960 | ret = NFS_ATTR_FATTR_RDEV; |
1da177e4 | 3961 | } |
3110ff80 | 3962 | dprintk("%s: rdev=(0x%x:0x%x)\n", __func__, major, minor); |
409924e4 | 3963 | return ret; |
c0eae66e BH |
3964 | out_overflow: |
3965 | print_overflow_msg(__func__, xdr); | |
3966 | return -EIO; | |
1da177e4 LT |
3967 | } |
3968 | ||
3969 | static int decode_attr_space_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3970 | { | |
8687b63a | 3971 | __be32 *p; |
1da177e4 LT |
3972 | int status = 0; |
3973 | ||
3974 | *res = 0; | |
3975 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_AVAIL - 1U))) | |
3976 | return -EIO; | |
3977 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_AVAIL)) { | |
c0eae66e BH |
3978 | p = xdr_inline_decode(xdr, 8); |
3979 | if (unlikely(!p)) | |
3980 | goto out_overflow; | |
cccddf4f | 3981 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3982 | bitmap[1] &= ~FATTR4_WORD1_SPACE_AVAIL; |
3983 | } | |
3110ff80 | 3984 | dprintk("%s: space avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3985 | return status; |
c0eae66e BH |
3986 | out_overflow: |
3987 | print_overflow_msg(__func__, xdr); | |
3988 | return -EIO; | |
1da177e4 LT |
3989 | } |
3990 | ||
3991 | static int decode_attr_space_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3992 | { | |
8687b63a | 3993 | __be32 *p; |
1da177e4 LT |
3994 | int status = 0; |
3995 | ||
3996 | *res = 0; | |
3997 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_FREE - 1U))) | |
3998 | return -EIO; | |
3999 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_FREE)) { | |
c0eae66e BH |
4000 | p = xdr_inline_decode(xdr, 8); |
4001 | if (unlikely(!p)) | |
4002 | goto out_overflow; | |
cccddf4f | 4003 | xdr_decode_hyper(p, res); |
1da177e4 LT |
4004 | bitmap[1] &= ~FATTR4_WORD1_SPACE_FREE; |
4005 | } | |
3110ff80 | 4006 | dprintk("%s: space free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 4007 | return status; |
c0eae66e BH |
4008 | out_overflow: |
4009 | print_overflow_msg(__func__, xdr); | |
4010 | return -EIO; | |
1da177e4 LT |
4011 | } |
4012 | ||
4013 | static int decode_attr_space_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
4014 | { | |
8687b63a | 4015 | __be32 *p; |
1da177e4 LT |
4016 | int status = 0; |
4017 | ||
4018 | *res = 0; | |
4019 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_TOTAL - 1U))) | |
4020 | return -EIO; | |
4021 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_TOTAL)) { | |
c0eae66e BH |
4022 | p = xdr_inline_decode(xdr, 8); |
4023 | if (unlikely(!p)) | |
4024 | goto out_overflow; | |
cccddf4f | 4025 | xdr_decode_hyper(p, res); |
1da177e4 LT |
4026 | bitmap[1] &= ~FATTR4_WORD1_SPACE_TOTAL; |
4027 | } | |
3110ff80 | 4028 | dprintk("%s: space total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 4029 | return status; |
c0eae66e BH |
4030 | out_overflow: |
4031 | print_overflow_msg(__func__, xdr); | |
4032 | return -EIO; | |
1da177e4 LT |
4033 | } |
4034 | ||
4035 | static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *used) | |
4036 | { | |
8687b63a | 4037 | __be32 *p; |
409924e4 | 4038 | int ret = 0; |
1da177e4 LT |
4039 | |
4040 | *used = 0; | |
4041 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_USED - 1U))) | |
4042 | return -EIO; | |
4043 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_USED)) { | |
c0eae66e BH |
4044 | p = xdr_inline_decode(xdr, 8); |
4045 | if (unlikely(!p)) | |
4046 | goto out_overflow; | |
cccddf4f | 4047 | xdr_decode_hyper(p, used); |
1da177e4 | 4048 | bitmap[1] &= ~FATTR4_WORD1_SPACE_USED; |
409924e4 | 4049 | ret = NFS_ATTR_FATTR_SPACE_USED; |
1da177e4 | 4050 | } |
3110ff80 | 4051 | dprintk("%s: space used=%Lu\n", __func__, |
1da177e4 | 4052 | (unsigned long long)*used); |
409924e4 | 4053 | return ret; |
c0eae66e BH |
4054 | out_overflow: |
4055 | print_overflow_msg(__func__, xdr); | |
4056 | return -EIO; | |
1da177e4 LT |
4057 | } |
4058 | ||
4059 | static int decode_attr_time(struct xdr_stream *xdr, struct timespec *time) | |
4060 | { | |
8687b63a | 4061 | __be32 *p; |
1da177e4 LT |
4062 | uint64_t sec; |
4063 | uint32_t nsec; | |
4064 | ||
c0eae66e BH |
4065 | p = xdr_inline_decode(xdr, 12); |
4066 | if (unlikely(!p)) | |
4067 | goto out_overflow; | |
3ceb4dbb | 4068 | p = xdr_decode_hyper(p, &sec); |
cccddf4f | 4069 | nsec = be32_to_cpup(p); |
1da177e4 LT |
4070 | time->tv_sec = (time_t)sec; |
4071 | time->tv_nsec = (long)nsec; | |
4072 | return 0; | |
c0eae66e BH |
4073 | out_overflow: |
4074 | print_overflow_msg(__func__, xdr); | |
4075 | return -EIO; | |
1da177e4 LT |
4076 | } |
4077 | ||
4078 | static int decode_attr_time_access(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
4079 | { | |
4080 | int status = 0; | |
4081 | ||
4082 | time->tv_sec = 0; | |
4083 | time->tv_nsec = 0; | |
4084 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_ACCESS - 1U))) | |
4085 | return -EIO; | |
4086 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_ACCESS)) { | |
4087 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4088 | if (status == 0) |
4089 | status = NFS_ATTR_FATTR_ATIME; | |
1da177e4 LT |
4090 | bitmap[1] &= ~FATTR4_WORD1_TIME_ACCESS; |
4091 | } | |
3110ff80 | 4092 | dprintk("%s: atime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
4093 | return status; |
4094 | } | |
4095 | ||
4096 | static int decode_attr_time_metadata(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
4097 | { | |
4098 | int status = 0; | |
4099 | ||
4100 | time->tv_sec = 0; | |
4101 | time->tv_nsec = 0; | |
4102 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_METADATA - 1U))) | |
4103 | return -EIO; | |
4104 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_METADATA)) { | |
4105 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4106 | if (status == 0) |
4107 | status = NFS_ATTR_FATTR_CTIME; | |
1da177e4 LT |
4108 | bitmap[1] &= ~FATTR4_WORD1_TIME_METADATA; |
4109 | } | |
3110ff80 | 4110 | dprintk("%s: ctime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
4111 | return status; |
4112 | } | |
4113 | ||
55b6e774 RL |
4114 | static int decode_attr_time_delta(struct xdr_stream *xdr, uint32_t *bitmap, |
4115 | struct timespec *time) | |
4116 | { | |
4117 | int status = 0; | |
4118 | ||
4119 | time->tv_sec = 0; | |
4120 | time->tv_nsec = 0; | |
4121 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_DELTA - 1U))) | |
4122 | return -EIO; | |
4123 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_DELTA)) { | |
4124 | status = decode_attr_time(xdr, time); | |
4125 | bitmap[1] &= ~FATTR4_WORD1_TIME_DELTA; | |
4126 | } | |
4127 | dprintk("%s: time_delta=%ld %ld\n", __func__, (long)time->tv_sec, | |
4128 | (long)time->tv_nsec); | |
4129 | return status; | |
4130 | } | |
4131 | ||
aa9c2669 DQ |
4132 | static int decode_attr_security_label(struct xdr_stream *xdr, uint32_t *bitmap, |
4133 | struct nfs4_label *label) | |
4134 | { | |
4135 | uint32_t pi = 0; | |
4136 | uint32_t lfs = 0; | |
4137 | __u32 len; | |
4138 | __be32 *p; | |
4139 | int status = 0; | |
4140 | ||
4141 | if (unlikely(bitmap[2] & (FATTR4_WORD2_SECURITY_LABEL - 1U))) | |
4142 | return -EIO; | |
4143 | if (likely(bitmap[2] & FATTR4_WORD2_SECURITY_LABEL)) { | |
4144 | p = xdr_inline_decode(xdr, 4); | |
4145 | if (unlikely(!p)) | |
4146 | goto out_overflow; | |
4147 | lfs = be32_to_cpup(p++); | |
4148 | p = xdr_inline_decode(xdr, 4); | |
4149 | if (unlikely(!p)) | |
4150 | goto out_overflow; | |
4151 | pi = be32_to_cpup(p++); | |
4152 | p = xdr_inline_decode(xdr, 4); | |
4153 | if (unlikely(!p)) | |
4154 | goto out_overflow; | |
4155 | len = be32_to_cpup(p++); | |
4156 | p = xdr_inline_decode(xdr, len); | |
4157 | if (unlikely(!p)) | |
4158 | goto out_overflow; | |
4159 | if (len < NFS4_MAXLABELLEN) { | |
4160 | if (label) { | |
4161 | memcpy(label->label, p, len); | |
4162 | label->len = len; | |
4163 | label->pi = pi; | |
4164 | label->lfs = lfs; | |
4165 | status = NFS_ATTR_FATTR_V4_SECURITY_LABEL; | |
4166 | } | |
4167 | bitmap[2] &= ~FATTR4_WORD2_SECURITY_LABEL; | |
4168 | } else | |
4169 | printk(KERN_WARNING "%s: label too long (%u)!\n", | |
4170 | __func__, len); | |
4171 | } | |
4172 | if (label && label->label) | |
4173 | dprintk("%s: label=%s, len=%d, PI=%d, LFS=%d\n", __func__, | |
4174 | (char *)label->label, label->len, label->pi, label->lfs); | |
4175 | return status; | |
4176 | ||
4177 | out_overflow: | |
4178 | print_overflow_msg(__func__, xdr); | |
4179 | return -EIO; | |
4180 | } | |
4181 | ||
1da177e4 LT |
4182 | static int decode_attr_time_modify(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) |
4183 | { | |
4184 | int status = 0; | |
4185 | ||
4186 | time->tv_sec = 0; | |
4187 | time->tv_nsec = 0; | |
4188 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_MODIFY - 1U))) | |
4189 | return -EIO; | |
4190 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_MODIFY)) { | |
4191 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4192 | if (status == 0) |
4193 | status = NFS_ATTR_FATTR_MTIME; | |
1da177e4 LT |
4194 | bitmap[1] &= ~FATTR4_WORD1_TIME_MODIFY; |
4195 | } | |
3110ff80 | 4196 | dprintk("%s: mtime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
4197 | return status; |
4198 | } | |
4199 | ||
256e48bb | 4200 | static int verify_attr_len(struct xdr_stream *xdr, unsigned int savep, uint32_t attrlen) |
1da177e4 LT |
4201 | { |
4202 | unsigned int attrwords = XDR_QUADLEN(attrlen); | |
256e48bb | 4203 | unsigned int nwords = (xdr_stream_pos(xdr) - savep) >> 2; |
1da177e4 LT |
4204 | |
4205 | if (unlikely(attrwords != nwords)) { | |
fe82a183 CL |
4206 | dprintk("%s: server returned incorrect attribute length: " |
4207 | "%u %c %u\n", | |
3110ff80 | 4208 | __func__, |
1da177e4 LT |
4209 | attrwords << 2, |
4210 | (attrwords < nwords) ? '<' : '>', | |
4211 | nwords << 2); | |
4212 | return -EIO; | |
4213 | } | |
4214 | return 0; | |
4215 | } | |
4216 | ||
4217 | static int decode_change_info(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4218 | { | |
8687b63a | 4219 | __be32 *p; |
1da177e4 | 4220 | |
c0eae66e BH |
4221 | p = xdr_inline_decode(xdr, 20); |
4222 | if (unlikely(!p)) | |
4223 | goto out_overflow; | |
6f723f77 | 4224 | cinfo->atomic = be32_to_cpup(p++); |
3ceb4dbb | 4225 | p = xdr_decode_hyper(p, &cinfo->before); |
cccddf4f | 4226 | xdr_decode_hyper(p, &cinfo->after); |
1da177e4 | 4227 | return 0; |
c0eae66e BH |
4228 | out_overflow: |
4229 | print_overflow_msg(__func__, xdr); | |
4230 | return -EIO; | |
1da177e4 LT |
4231 | } |
4232 | ||
6168f62c | 4233 | static int decode_access(struct xdr_stream *xdr, u32 *supported, u32 *access) |
1da177e4 | 4234 | { |
8687b63a | 4235 | __be32 *p; |
1da177e4 LT |
4236 | uint32_t supp, acc; |
4237 | int status; | |
4238 | ||
4239 | status = decode_op_hdr(xdr, OP_ACCESS); | |
4240 | if (status) | |
4241 | return status; | |
c0eae66e BH |
4242 | p = xdr_inline_decode(xdr, 8); |
4243 | if (unlikely(!p)) | |
4244 | goto out_overflow; | |
6f723f77 | 4245 | supp = be32_to_cpup(p++); |
cccddf4f | 4246 | acc = be32_to_cpup(p); |
6168f62c WAA |
4247 | *supported = supp; |
4248 | *access = acc; | |
1da177e4 | 4249 | return 0; |
c0eae66e BH |
4250 | out_overflow: |
4251 | print_overflow_msg(__func__, xdr); | |
4252 | return -EIO; | |
1da177e4 LT |
4253 | } |
4254 | ||
07d30434 | 4255 | static int decode_opaque_fixed(struct xdr_stream *xdr, void *buf, size_t len) |
1da177e4 | 4256 | { |
8687b63a | 4257 | __be32 *p; |
07d30434 BH |
4258 | |
4259 | p = xdr_inline_decode(xdr, len); | |
4260 | if (likely(p)) { | |
4261 | memcpy(buf, p, len); | |
4262 | return 0; | |
4263 | } | |
4264 | print_overflow_msg(__func__, xdr); | |
4265 | return -EIO; | |
4266 | } | |
4267 | ||
4268 | static int decode_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) | |
4269 | { | |
2d2f24ad | 4270 | return decode_opaque_fixed(xdr, stateid, NFS4_STATEID_SIZE); |
07d30434 BH |
4271 | } |
4272 | ||
93b717fd TM |
4273 | static int decode_open_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) |
4274 | { | |
4275 | stateid->type = NFS4_OPEN_STATEID_TYPE; | |
4276 | return decode_stateid(xdr, stateid); | |
4277 | } | |
4278 | ||
4279 | static int decode_lock_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) | |
4280 | { | |
4281 | stateid->type = NFS4_LOCK_STATEID_TYPE; | |
4282 | return decode_stateid(xdr, stateid); | |
4283 | } | |
4284 | ||
4285 | static int decode_delegation_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) | |
4286 | { | |
4287 | stateid->type = NFS4_DELEGATION_STATEID_TYPE; | |
4288 | return decode_stateid(xdr, stateid); | |
4289 | } | |
4290 | ||
07d30434 BH |
4291 | static int decode_close(struct xdr_stream *xdr, struct nfs_closeres *res) |
4292 | { | |
1da177e4 LT |
4293 | int status; |
4294 | ||
4295 | status = decode_op_hdr(xdr, OP_CLOSE); | |
c1d51931 TM |
4296 | if (status != -EIO) |
4297 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 | 4298 | if (!status) |
93b717fd | 4299 | status = decode_open_stateid(xdr, &res->stateid); |
07d30434 | 4300 | return status; |
1da177e4 LT |
4301 | } |
4302 | ||
db942bbd BH |
4303 | static int decode_verifier(struct xdr_stream *xdr, void *verifier) |
4304 | { | |
cd93710e | 4305 | return decode_opaque_fixed(xdr, verifier, NFS4_VERIFIER_SIZE); |
1da177e4 LT |
4306 | } |
4307 | ||
2f2c63bc TM |
4308 | static int decode_write_verifier(struct xdr_stream *xdr, struct nfs_write_verifier *verifier) |
4309 | { | |
4310 | return decode_opaque_fixed(xdr, verifier->data, NFS4_VERIFIER_SIZE); | |
4311 | } | |
4312 | ||
0b7c0153 | 4313 | static int decode_commit(struct xdr_stream *xdr, struct nfs_commitres *res) |
1da177e4 | 4314 | { |
1da177e4 LT |
4315 | int status; |
4316 | ||
4317 | status = decode_op_hdr(xdr, OP_COMMIT); | |
db942bbd | 4318 | if (!status) |
2f2c63bc | 4319 | status = decode_write_verifier(xdr, &res->verf->verifier); |
db942bbd | 4320 | return status; |
1da177e4 LT |
4321 | } |
4322 | ||
4323 | static int decode_create(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4324 | { | |
8687b63a | 4325 | __be32 *p; |
1da177e4 LT |
4326 | uint32_t bmlen; |
4327 | int status; | |
4328 | ||
4329 | status = decode_op_hdr(xdr, OP_CREATE); | |
4330 | if (status) | |
4331 | return status; | |
4332 | if ((status = decode_change_info(xdr, cinfo))) | |
4333 | return status; | |
c0eae66e BH |
4334 | p = xdr_inline_decode(xdr, 4); |
4335 | if (unlikely(!p)) | |
4336 | goto out_overflow; | |
cccddf4f | 4337 | bmlen = be32_to_cpup(p); |
c0eae66e BH |
4338 | p = xdr_inline_decode(xdr, bmlen << 2); |
4339 | if (likely(p)) | |
4340 | return 0; | |
4341 | out_overflow: | |
4342 | print_overflow_msg(__func__, xdr); | |
4343 | return -EIO; | |
1da177e4 LT |
4344 | } |
4345 | ||
4346 | static int decode_server_caps(struct xdr_stream *xdr, struct nfs4_server_caps_res *res) | |
4347 | { | |
256e48bb | 4348 | unsigned int savep; |
dae100c2 | 4349 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 LT |
4350 | int status; |
4351 | ||
4352 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
4353 | goto xdr_error; | |
4354 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4355 | goto xdr_error; | |
4356 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4357 | goto xdr_error; | |
4358 | if ((status = decode_attr_supported(xdr, bitmap, res->attr_bitmask)) != 0) | |
4359 | goto xdr_error; | |
264e6351 CL |
4360 | if ((status = decode_attr_fh_expire_type(xdr, bitmap, |
4361 | &res->fh_expire_type)) != 0) | |
4362 | goto xdr_error; | |
1da177e4 LT |
4363 | if ((status = decode_attr_link_support(xdr, bitmap, &res->has_links)) != 0) |
4364 | goto xdr_error; | |
4365 | if ((status = decode_attr_symlink_support(xdr, bitmap, &res->has_symlinks)) != 0) | |
4366 | goto xdr_error; | |
4367 | if ((status = decode_attr_aclsupport(xdr, bitmap, &res->acl_bitmask)) != 0) | |
4368 | goto xdr_error; | |
8c61282f KM |
4369 | if ((status = decode_attr_exclcreat_supported(xdr, bitmap, |
4370 | res->exclcreat_bitmask)) != 0) | |
4371 | goto xdr_error; | |
1da177e4 LT |
4372 | status = verify_attr_len(xdr, savep, attrlen); |
4373 | xdr_error: | |
3110ff80 | 4374 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4375 | return status; |
4376 | } | |
6c0195a4 | 4377 | |
1da177e4 LT |
4378 | static int decode_statfs(struct xdr_stream *xdr, struct nfs_fsstat *fsstat) |
4379 | { | |
256e48bb | 4380 | unsigned int savep; |
dae100c2 | 4381 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 | 4382 | int status; |
6c0195a4 | 4383 | |
1da177e4 LT |
4384 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
4385 | goto xdr_error; | |
4386 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4387 | goto xdr_error; | |
4388 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4389 | goto xdr_error; | |
4390 | ||
4391 | if ((status = decode_attr_files_avail(xdr, bitmap, &fsstat->afiles)) != 0) | |
4392 | goto xdr_error; | |
4393 | if ((status = decode_attr_files_free(xdr, bitmap, &fsstat->ffiles)) != 0) | |
4394 | goto xdr_error; | |
4395 | if ((status = decode_attr_files_total(xdr, bitmap, &fsstat->tfiles)) != 0) | |
4396 | goto xdr_error; | |
1ca843a2 AG |
4397 | |
4398 | status = -EIO; | |
4399 | if (unlikely(bitmap[0])) | |
4400 | goto xdr_error; | |
4401 | ||
1da177e4 LT |
4402 | if ((status = decode_attr_space_avail(xdr, bitmap, &fsstat->abytes)) != 0) |
4403 | goto xdr_error; | |
4404 | if ((status = decode_attr_space_free(xdr, bitmap, &fsstat->fbytes)) != 0) | |
4405 | goto xdr_error; | |
4406 | if ((status = decode_attr_space_total(xdr, bitmap, &fsstat->tbytes)) != 0) | |
4407 | goto xdr_error; | |
4408 | ||
4409 | status = verify_attr_len(xdr, savep, attrlen); | |
4410 | xdr_error: | |
3110ff80 | 4411 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4412 | return status; |
4413 | } | |
4414 | ||
4415 | static int decode_pathconf(struct xdr_stream *xdr, struct nfs_pathconf *pathconf) | |
4416 | { | |
256e48bb | 4417 | unsigned int savep; |
dae100c2 | 4418 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 | 4419 | int status; |
6c0195a4 | 4420 | |
1da177e4 LT |
4421 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
4422 | goto xdr_error; | |
4423 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4424 | goto xdr_error; | |
4425 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4426 | goto xdr_error; | |
4427 | ||
4428 | if ((status = decode_attr_maxlink(xdr, bitmap, &pathconf->max_link)) != 0) | |
4429 | goto xdr_error; | |
4430 | if ((status = decode_attr_maxname(xdr, bitmap, &pathconf->max_namelen)) != 0) | |
4431 | goto xdr_error; | |
4432 | ||
4433 | status = verify_attr_len(xdr, savep, attrlen); | |
4434 | xdr_error: | |
3110ff80 | 4435 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4436 | return status; |
4437 | } | |
4438 | ||
88034c3d AA |
4439 | static int decode_threshold_hint(struct xdr_stream *xdr, |
4440 | uint32_t *bitmap, | |
4441 | uint64_t *res, | |
4442 | uint32_t hint_bit) | |
4443 | { | |
4444 | __be32 *p; | |
4445 | ||
4446 | *res = 0; | |
4447 | if (likely(bitmap[0] & hint_bit)) { | |
4448 | p = xdr_inline_decode(xdr, 8); | |
4449 | if (unlikely(!p)) | |
4450 | goto out_overflow; | |
4451 | xdr_decode_hyper(p, res); | |
4452 | } | |
4453 | return 0; | |
4454 | out_overflow: | |
4455 | print_overflow_msg(__func__, xdr); | |
4456 | return -EIO; | |
4457 | } | |
4458 | ||
4459 | static int decode_first_threshold_item4(struct xdr_stream *xdr, | |
4460 | struct nfs4_threshold *res) | |
4461 | { | |
256e48bb TM |
4462 | __be32 *p; |
4463 | unsigned int savep; | |
88034c3d AA |
4464 | uint32_t bitmap[3] = {0,}, attrlen; |
4465 | int status; | |
4466 | ||
4467 | /* layout type */ | |
4468 | p = xdr_inline_decode(xdr, 4); | |
4469 | if (unlikely(!p)) { | |
4470 | print_overflow_msg(__func__, xdr); | |
4471 | return -EIO; | |
4472 | } | |
4473 | res->l_type = be32_to_cpup(p); | |
4474 | ||
4475 | /* thi_hintset bitmap */ | |
4476 | status = decode_attr_bitmap(xdr, bitmap); | |
4477 | if (status < 0) | |
4478 | goto xdr_error; | |
4479 | ||
4480 | /* thi_hintlist length */ | |
4481 | status = decode_attr_length(xdr, &attrlen, &savep); | |
4482 | if (status < 0) | |
4483 | goto xdr_error; | |
4484 | /* thi_hintlist */ | |
4485 | status = decode_threshold_hint(xdr, bitmap, &res->rd_sz, THRESHOLD_RD); | |
4486 | if (status < 0) | |
4487 | goto xdr_error; | |
4488 | status = decode_threshold_hint(xdr, bitmap, &res->wr_sz, THRESHOLD_WR); | |
4489 | if (status < 0) | |
4490 | goto xdr_error; | |
4491 | status = decode_threshold_hint(xdr, bitmap, &res->rd_io_sz, | |
4492 | THRESHOLD_RD_IO); | |
4493 | if (status < 0) | |
4494 | goto xdr_error; | |
4495 | status = decode_threshold_hint(xdr, bitmap, &res->wr_io_sz, | |
4496 | THRESHOLD_WR_IO); | |
4497 | if (status < 0) | |
4498 | goto xdr_error; | |
4499 | ||
4500 | status = verify_attr_len(xdr, savep, attrlen); | |
4501 | res->bm = bitmap[0]; | |
4502 | ||
4503 | dprintk("%s bm=0x%x rd_sz=%llu wr_sz=%llu rd_io=%llu wr_io=%llu\n", | |
4504 | __func__, res->bm, res->rd_sz, res->wr_sz, res->rd_io_sz, | |
4505 | res->wr_io_sz); | |
4506 | xdr_error: | |
4507 | dprintk("%s ret=%d!\n", __func__, status); | |
4508 | return status; | |
4509 | } | |
4510 | ||
4511 | /* | |
4512 | * Thresholds on pNFS direct I/O vrs MDS I/O | |
4513 | */ | |
4514 | static int decode_attr_mdsthreshold(struct xdr_stream *xdr, | |
4515 | uint32_t *bitmap, | |
4516 | struct nfs4_threshold *res) | |
4517 | { | |
4518 | __be32 *p; | |
4519 | int status = 0; | |
4520 | uint32_t num; | |
4521 | ||
4522 | if (unlikely(bitmap[2] & (FATTR4_WORD2_MDSTHRESHOLD - 1U))) | |
4523 | return -EIO; | |
029c5347 | 4524 | if (bitmap[2] & FATTR4_WORD2_MDSTHRESHOLD) { |
1549210f TM |
4525 | /* Did the server return an unrequested attribute? */ |
4526 | if (unlikely(res == NULL)) | |
4527 | return -EREMOTEIO; | |
88034c3d AA |
4528 | p = xdr_inline_decode(xdr, 4); |
4529 | if (unlikely(!p)) | |
4530 | goto out_overflow; | |
4531 | num = be32_to_cpup(p); | |
4532 | if (num == 0) | |
4533 | return 0; | |
4534 | if (num > 1) | |
4535 | printk(KERN_INFO "%s: Warning: Multiple pNFS layout " | |
4536 | "drivers per filesystem not supported\n", | |
4537 | __func__); | |
4538 | ||
4539 | status = decode_first_threshold_item4(xdr, res); | |
029c5347 | 4540 | bitmap[2] &= ~FATTR4_WORD2_MDSTHRESHOLD; |
88034c3d AA |
4541 | } |
4542 | return status; | |
4543 | out_overflow: | |
4544 | print_overflow_msg(__func__, xdr); | |
4545 | return -EIO; | |
4546 | } | |
4547 | ||
ae42c70a BS |
4548 | static int decode_getfattr_attrs(struct xdr_stream *xdr, uint32_t *bitmap, |
4549 | struct nfs_fattr *fattr, struct nfs_fh *fh, | |
aa9c2669 | 4550 | struct nfs4_fs_locations *fs_loc, struct nfs4_label *label, |
6926afd1 | 4551 | const struct nfs_server *server) |
1da177e4 | 4552 | { |
bca79478 TM |
4553 | int status; |
4554 | umode_t fmode = 0; | |
ae42c70a | 4555 | uint32_t type; |
ee7b75fc | 4556 | int32_t err; |
1da177e4 | 4557 | |
f26c7a78 TM |
4558 | status = decode_attr_type(xdr, bitmap, &type); |
4559 | if (status < 0) | |
1da177e4 | 4560 | goto xdr_error; |
409924e4 TM |
4561 | fattr->mode = 0; |
4562 | if (status != 0) { | |
4563 | fattr->mode |= nfs_type2fmt[type]; | |
4564 | fattr->valid |= status; | |
4565 | } | |
1da177e4 | 4566 | |
f26c7a78 TM |
4567 | status = decode_attr_change(xdr, bitmap, &fattr->change_attr); |
4568 | if (status < 0) | |
1da177e4 | 4569 | goto xdr_error; |
409924e4 | 4570 | fattr->valid |= status; |
f26c7a78 TM |
4571 | |
4572 | status = decode_attr_size(xdr, bitmap, &fattr->size); | |
4573 | if (status < 0) | |
1da177e4 | 4574 | goto xdr_error; |
409924e4 | 4575 | fattr->valid |= status; |
f26c7a78 TM |
4576 | |
4577 | status = decode_attr_fsid(xdr, bitmap, &fattr->fsid); | |
4578 | if (status < 0) | |
1da177e4 | 4579 | goto xdr_error; |
409924e4 | 4580 | fattr->valid |= status; |
f26c7a78 | 4581 | |
ee7b75fc TM |
4582 | err = 0; |
4583 | status = decode_attr_error(xdr, bitmap, &err); | |
ae42c70a BS |
4584 | if (status < 0) |
4585 | goto xdr_error; | |
4586 | ||
4587 | status = decode_attr_filehandle(xdr, bitmap, fh); | |
4588 | if (status < 0) | |
4589 | goto xdr_error; | |
4590 | ||
f26c7a78 TM |
4591 | status = decode_attr_fileid(xdr, bitmap, &fattr->fileid); |
4592 | if (status < 0) | |
1da177e4 | 4593 | goto xdr_error; |
409924e4 | 4594 | fattr->valid |= status; |
f26c7a78 | 4595 | |
8b7e3f49 | 4596 | status = decode_attr_fs_locations(xdr, bitmap, fs_loc); |
f26c7a78 | 4597 | if (status < 0) |
683b57b4 | 4598 | goto xdr_error; |
409924e4 | 4599 | fattr->valid |= status; |
f26c7a78 | 4600 | |
1ca843a2 AG |
4601 | status = -EIO; |
4602 | if (unlikely(bitmap[0])) | |
4603 | goto xdr_error; | |
4604 | ||
f26c7a78 TM |
4605 | status = decode_attr_mode(xdr, bitmap, &fmode); |
4606 | if (status < 0) | |
1da177e4 | 4607 | goto xdr_error; |
409924e4 TM |
4608 | if (status != 0) { |
4609 | fattr->mode |= fmode; | |
4610 | fattr->valid |= status; | |
4611 | } | |
f26c7a78 TM |
4612 | |
4613 | status = decode_attr_nlink(xdr, bitmap, &fattr->nlink); | |
4614 | if (status < 0) | |
1da177e4 | 4615 | goto xdr_error; |
409924e4 | 4616 | fattr->valid |= status; |
f26c7a78 | 4617 | |
6926afd1 | 4618 | status = decode_attr_owner(xdr, bitmap, server, &fattr->uid, fattr->owner_name); |
f26c7a78 | 4619 | if (status < 0) |
1da177e4 | 4620 | goto xdr_error; |
409924e4 | 4621 | fattr->valid |= status; |
f26c7a78 | 4622 | |
6926afd1 | 4623 | status = decode_attr_group(xdr, bitmap, server, &fattr->gid, fattr->group_name); |
f26c7a78 | 4624 | if (status < 0) |
1da177e4 | 4625 | goto xdr_error; |
409924e4 | 4626 | fattr->valid |= status; |
f26c7a78 TM |
4627 | |
4628 | status = decode_attr_rdev(xdr, bitmap, &fattr->rdev); | |
4629 | if (status < 0) | |
1da177e4 | 4630 | goto xdr_error; |
409924e4 | 4631 | fattr->valid |= status; |
f26c7a78 TM |
4632 | |
4633 | status = decode_attr_space_used(xdr, bitmap, &fattr->du.nfs3.used); | |
4634 | if (status < 0) | |
1da177e4 | 4635 | goto xdr_error; |
409924e4 | 4636 | fattr->valid |= status; |
f26c7a78 TM |
4637 | |
4638 | status = decode_attr_time_access(xdr, bitmap, &fattr->atime); | |
4639 | if (status < 0) | |
1da177e4 | 4640 | goto xdr_error; |
409924e4 | 4641 | fattr->valid |= status; |
f26c7a78 TM |
4642 | |
4643 | status = decode_attr_time_metadata(xdr, bitmap, &fattr->ctime); | |
4644 | if (status < 0) | |
1da177e4 | 4645 | goto xdr_error; |
409924e4 | 4646 | fattr->valid |= status; |
f26c7a78 TM |
4647 | |
4648 | status = decode_attr_time_modify(xdr, bitmap, &fattr->mtime); | |
4649 | if (status < 0) | |
1da177e4 | 4650 | goto xdr_error; |
409924e4 | 4651 | fattr->valid |= status; |
f26c7a78 | 4652 | |
28331a46 | 4653 | status = decode_attr_mounted_on_fileid(xdr, bitmap, &fattr->mounted_on_fileid); |
f26c7a78 | 4654 | if (status < 0) |
99baf625 | 4655 | goto xdr_error; |
28331a46 | 4656 | fattr->valid |= status; |
f26c7a78 | 4657 | |
1ca843a2 AG |
4658 | status = -EIO; |
4659 | if (unlikely(bitmap[1])) | |
4660 | goto xdr_error; | |
4661 | ||
88034c3d AA |
4662 | status = decode_attr_mdsthreshold(xdr, bitmap, fattr->mdsthreshold); |
4663 | if (status < 0) | |
4664 | goto xdr_error; | |
4665 | ||
aa9c2669 DQ |
4666 | if (label) { |
4667 | status = decode_attr_security_label(xdr, bitmap, label); | |
4668 | if (status < 0) | |
4669 | goto xdr_error; | |
4670 | fattr->valid |= status; | |
4671 | } | |
4672 | ||
ae42c70a BS |
4673 | xdr_error: |
4674 | dprintk("%s: xdr returned %d\n", __func__, -status); | |
4675 | return status; | |
4676 | } | |
4677 | ||
4678 | static int decode_getfattr_generic(struct xdr_stream *xdr, struct nfs_fattr *fattr, | |
8b7e3f49 | 4679 | struct nfs_fh *fh, struct nfs4_fs_locations *fs_loc, |
aa9c2669 | 4680 | struct nfs4_label *label, const struct nfs_server *server) |
ae42c70a | 4681 | { |
256e48bb | 4682 | unsigned int savep; |
ae42c70a | 4683 | uint32_t attrlen, |
dae100c2 | 4684 | bitmap[3] = {0}; |
ae42c70a BS |
4685 | int status; |
4686 | ||
4687 | status = decode_op_hdr(xdr, OP_GETATTR); | |
4688 | if (status < 0) | |
4689 | goto xdr_error; | |
4690 | ||
4691 | status = decode_attr_bitmap(xdr, bitmap); | |
4692 | if (status < 0) | |
4693 | goto xdr_error; | |
4694 | ||
4695 | status = decode_attr_length(xdr, &attrlen, &savep); | |
4696 | if (status < 0) | |
4697 | goto xdr_error; | |
4698 | ||
aa9c2669 DQ |
4699 | status = decode_getfattr_attrs(xdr, bitmap, fattr, fh, fs_loc, |
4700 | label, server); | |
ae42c70a BS |
4701 | if (status < 0) |
4702 | goto xdr_error; | |
4703 | ||
f26c7a78 | 4704 | status = verify_attr_len(xdr, savep, attrlen); |
1da177e4 | 4705 | xdr_error: |
3110ff80 | 4706 | dprintk("%s: xdr returned %d\n", __func__, -status); |
1da177e4 LT |
4707 | return status; |
4708 | } | |
4709 | ||
aa9c2669 DQ |
4710 | static int decode_getfattr_label(struct xdr_stream *xdr, struct nfs_fattr *fattr, |
4711 | struct nfs4_label *label, const struct nfs_server *server) | |
4712 | { | |
4713 | return decode_getfattr_generic(xdr, fattr, NULL, NULL, label, server); | |
4714 | } | |
4715 | ||
ae42c70a | 4716 | static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr, |
6926afd1 | 4717 | const struct nfs_server *server) |
ae42c70a | 4718 | { |
aa9c2669 | 4719 | return decode_getfattr_generic(xdr, fattr, NULL, NULL, NULL, server); |
ae42c70a | 4720 | } |
1da177e4 | 4721 | |
504913fb AA |
4722 | /* |
4723 | * Decode potentially multiple layout types. Currently we only support | |
4724 | * one layout driver per file system. | |
4725 | */ | |
4726 | static int decode_first_pnfs_layout_type(struct xdr_stream *xdr, | |
4727 | uint32_t *layouttype) | |
4728 | { | |
b8a8a0dd | 4729 | __be32 *p; |
504913fb AA |
4730 | int num; |
4731 | ||
4732 | p = xdr_inline_decode(xdr, 4); | |
4733 | if (unlikely(!p)) | |
4734 | goto out_overflow; | |
4735 | num = be32_to_cpup(p); | |
4736 | ||
4737 | /* pNFS is not supported by the underlying file system */ | |
4738 | if (num == 0) { | |
4739 | *layouttype = 0; | |
4740 | return 0; | |
4741 | } | |
4742 | if (num > 1) | |
a030889a WAA |
4743 | printk(KERN_INFO "NFS: %s: Warning: Multiple pNFS layout " |
4744 | "drivers per filesystem not supported\n", __func__); | |
504913fb AA |
4745 | |
4746 | /* Decode and set first layout type, move xdr->p past unused types */ | |
4747 | p = xdr_inline_decode(xdr, num * 4); | |
4748 | if (unlikely(!p)) | |
4749 | goto out_overflow; | |
4750 | *layouttype = be32_to_cpup(p); | |
4751 | return 0; | |
4752 | out_overflow: | |
4753 | print_overflow_msg(__func__, xdr); | |
4754 | return -EIO; | |
4755 | } | |
4756 | ||
4757 | /* | |
4758 | * The type of file system exported. | |
4759 | * Note we must ensure that layouttype is set in any non-error case. | |
4760 | */ | |
4761 | static int decode_attr_pnfstype(struct xdr_stream *xdr, uint32_t *bitmap, | |
4762 | uint32_t *layouttype) | |
4763 | { | |
4764 | int status = 0; | |
4765 | ||
4766 | dprintk("%s: bitmap is %x\n", __func__, bitmap[1]); | |
4767 | if (unlikely(bitmap[1] & (FATTR4_WORD1_FS_LAYOUT_TYPES - 1U))) | |
4768 | return -EIO; | |
4769 | if (bitmap[1] & FATTR4_WORD1_FS_LAYOUT_TYPES) { | |
4770 | status = decode_first_pnfs_layout_type(xdr, layouttype); | |
4771 | bitmap[1] &= ~FATTR4_WORD1_FS_LAYOUT_TYPES; | |
4772 | } else | |
4773 | *layouttype = 0; | |
4774 | return status; | |
4775 | } | |
4776 | ||
dae100c2 FI |
4777 | /* |
4778 | * The prefered block size for layout directed io | |
4779 | */ | |
4780 | static int decode_attr_layout_blksize(struct xdr_stream *xdr, uint32_t *bitmap, | |
4781 | uint32_t *res) | |
4782 | { | |
4783 | __be32 *p; | |
4784 | ||
4785 | dprintk("%s: bitmap is %x\n", __func__, bitmap[2]); | |
4786 | *res = 0; | |
4787 | if (bitmap[2] & FATTR4_WORD2_LAYOUT_BLKSIZE) { | |
4788 | p = xdr_inline_decode(xdr, 4); | |
4789 | if (unlikely(!p)) { | |
4790 | print_overflow_msg(__func__, xdr); | |
4791 | return -EIO; | |
4792 | } | |
4793 | *res = be32_to_cpup(p); | |
4794 | bitmap[2] &= ~FATTR4_WORD2_LAYOUT_BLKSIZE; | |
4795 | } | |
4796 | return 0; | |
4797 | } | |
4798 | ||
2a92ee92 PT |
4799 | /* |
4800 | * The granularity of a CLONE operation. | |
4801 | */ | |
4802 | static int decode_attr_clone_blksize(struct xdr_stream *xdr, uint32_t *bitmap, | |
4803 | uint32_t *res) | |
4804 | { | |
4805 | __be32 *p; | |
4806 | ||
4807 | dprintk("%s: bitmap is %x\n", __func__, bitmap[2]); | |
4808 | *res = 0; | |
4809 | if (bitmap[2] & FATTR4_WORD2_CLONE_BLKSIZE) { | |
4810 | p = xdr_inline_decode(xdr, 4); | |
4811 | if (unlikely(!p)) { | |
4812 | print_overflow_msg(__func__, xdr); | |
4813 | return -EIO; | |
4814 | } | |
4815 | *res = be32_to_cpup(p); | |
4816 | bitmap[2] &= ~FATTR4_WORD2_CLONE_BLKSIZE; | |
4817 | } | |
4818 | return 0; | |
4819 | } | |
4820 | ||
1da177e4 LT |
4821 | static int decode_fsinfo(struct xdr_stream *xdr, struct nfs_fsinfo *fsinfo) |
4822 | { | |
256e48bb | 4823 | unsigned int savep; |
dae100c2 | 4824 | uint32_t attrlen, bitmap[3]; |
1da177e4 LT |
4825 | int status; |
4826 | ||
4827 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
4828 | goto xdr_error; | |
4829 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4830 | goto xdr_error; | |
4831 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4832 | goto xdr_error; | |
4833 | ||
4834 | fsinfo->rtmult = fsinfo->wtmult = 512; /* ??? */ | |
4835 | ||
4836 | if ((status = decode_attr_lease_time(xdr, bitmap, &fsinfo->lease_time)) != 0) | |
4837 | goto xdr_error; | |
4838 | if ((status = decode_attr_maxfilesize(xdr, bitmap, &fsinfo->maxfilesize)) != 0) | |
4839 | goto xdr_error; | |
4840 | if ((status = decode_attr_maxread(xdr, bitmap, &fsinfo->rtmax)) != 0) | |
4841 | goto xdr_error; | |
4842 | fsinfo->rtpref = fsinfo->dtpref = fsinfo->rtmax; | |
4843 | if ((status = decode_attr_maxwrite(xdr, bitmap, &fsinfo->wtmax)) != 0) | |
4844 | goto xdr_error; | |
4845 | fsinfo->wtpref = fsinfo->wtmax; | |
1ca843a2 AG |
4846 | |
4847 | status = -EIO; | |
4848 | if (unlikely(bitmap[0])) | |
4849 | goto xdr_error; | |
4850 | ||
55b6e774 | 4851 | status = decode_attr_time_delta(xdr, bitmap, &fsinfo->time_delta); |
504913fb AA |
4852 | if (status != 0) |
4853 | goto xdr_error; | |
4854 | status = decode_attr_pnfstype(xdr, bitmap, &fsinfo->layouttype); | |
55b6e774 RL |
4855 | if (status != 0) |
4856 | goto xdr_error; | |
1ca843a2 AG |
4857 | |
4858 | status = -EIO; | |
4859 | if (unlikely(bitmap[1])) | |
4860 | goto xdr_error; | |
4861 | ||
dae100c2 | 4862 | status = decode_attr_layout_blksize(xdr, bitmap, &fsinfo->blksize); |
2a92ee92 PT |
4863 | if (status) |
4864 | goto xdr_error; | |
4865 | status = decode_attr_clone_blksize(xdr, bitmap, &fsinfo->clone_blksize); | |
dae100c2 FI |
4866 | if (status) |
4867 | goto xdr_error; | |
1da177e4 LT |
4868 | |
4869 | status = verify_attr_len(xdr, savep, attrlen); | |
4870 | xdr_error: | |
3110ff80 | 4871 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4872 | return status; |
4873 | } | |
4874 | ||
4875 | static int decode_getfh(struct xdr_stream *xdr, struct nfs_fh *fh) | |
4876 | { | |
8687b63a | 4877 | __be32 *p; |
1da177e4 LT |
4878 | uint32_t len; |
4879 | int status; | |
4880 | ||
9936781d TM |
4881 | /* Zero handle first to allow comparisons */ |
4882 | memset(fh, 0, sizeof(*fh)); | |
4883 | ||
1da177e4 LT |
4884 | status = decode_op_hdr(xdr, OP_GETFH); |
4885 | if (status) | |
4886 | return status; | |
1da177e4 | 4887 | |
c0eae66e BH |
4888 | p = xdr_inline_decode(xdr, 4); |
4889 | if (unlikely(!p)) | |
4890 | goto out_overflow; | |
cccddf4f | 4891 | len = be32_to_cpup(p); |
1da177e4 LT |
4892 | if (len > NFS4_FHSIZE) |
4893 | return -EIO; | |
4894 | fh->size = len; | |
c0eae66e BH |
4895 | p = xdr_inline_decode(xdr, len); |
4896 | if (unlikely(!p)) | |
4897 | goto out_overflow; | |
99398d06 | 4898 | memcpy(fh->data, p, len); |
1da177e4 | 4899 | return 0; |
c0eae66e BH |
4900 | out_overflow: |
4901 | print_overflow_msg(__func__, xdr); | |
4902 | return -EIO; | |
1da177e4 LT |
4903 | } |
4904 | ||
4905 | static int decode_link(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4906 | { | |
4907 | int status; | |
6c0195a4 | 4908 | |
1da177e4 LT |
4909 | status = decode_op_hdr(xdr, OP_LINK); |
4910 | if (status) | |
4911 | return status; | |
4912 | return decode_change_info(xdr, cinfo); | |
4913 | } | |
4914 | ||
4915 | /* | |
4916 | * We create the owner, so we know a proper owner.id length is 4. | |
4917 | */ | |
911d1aaf | 4918 | static int decode_lock_denied (struct xdr_stream *xdr, struct file_lock *fl) |
1da177e4 | 4919 | { |
911d1aaf | 4920 | uint64_t offset, length, clientid; |
8687b63a | 4921 | __be32 *p; |
911d1aaf | 4922 | uint32_t namelen, type; |
1da177e4 | 4923 | |
babddc72 | 4924 | p = xdr_inline_decode(xdr, 32); /* read 32 bytes */ |
c0eae66e BH |
4925 | if (unlikely(!p)) |
4926 | goto out_overflow; | |
babddc72 | 4927 | p = xdr_decode_hyper(p, &offset); /* read 2 8-byte long words */ |
3ceb4dbb | 4928 | p = xdr_decode_hyper(p, &length); |
babddc72 BS |
4929 | type = be32_to_cpup(p++); /* 4 byte read */ |
4930 | if (fl != NULL) { /* manipulate file lock */ | |
911d1aaf TM |
4931 | fl->fl_start = (loff_t)offset; |
4932 | fl->fl_end = fl->fl_start + (loff_t)length - 1; | |
4933 | if (length == ~(uint64_t)0) | |
4934 | fl->fl_end = OFFSET_MAX; | |
4935 | fl->fl_type = F_WRLCK; | |
4936 | if (type & 1) | |
4937 | fl->fl_type = F_RDLCK; | |
4938 | fl->fl_pid = 0; | |
4939 | } | |
babddc72 BS |
4940 | p = xdr_decode_hyper(p, &clientid); /* read 8 bytes */ |
4941 | namelen = be32_to_cpup(p); /* read 4 bytes */ /* have read all 32 bytes now */ | |
4942 | p = xdr_inline_decode(xdr, namelen); /* variable size field */ | |
c0eae66e BH |
4943 | if (likely(p)) |
4944 | return -NFS4ERR_DENIED; | |
4945 | out_overflow: | |
4946 | print_overflow_msg(__func__, xdr); | |
4947 | return -EIO; | |
1da177e4 LT |
4948 | } |
4949 | ||
911d1aaf | 4950 | static int decode_lock(struct xdr_stream *xdr, struct nfs_lock_res *res) |
1da177e4 | 4951 | { |
1da177e4 LT |
4952 | int status; |
4953 | ||
4954 | status = decode_op_hdr(xdr, OP_LOCK); | |
c1d51931 TM |
4955 | if (status == -EIO) |
4956 | goto out; | |
1da177e4 | 4957 | if (status == 0) { |
93b717fd | 4958 | status = decode_lock_stateid(xdr, &res->stateid); |
07d30434 BH |
4959 | if (unlikely(status)) |
4960 | goto out; | |
1da177e4 | 4961 | } else if (status == -NFS4ERR_DENIED) |
c1d51931 TM |
4962 | status = decode_lock_denied(xdr, NULL); |
4963 | if (res->open_seqid != NULL) | |
4964 | nfs_increment_open_seqid(status, res->open_seqid); | |
4965 | nfs_increment_lock_seqid(status, res->lock_seqid); | |
4966 | out: | |
1da177e4 LT |
4967 | return status; |
4968 | } | |
4969 | ||
911d1aaf | 4970 | static int decode_lockt(struct xdr_stream *xdr, struct nfs_lockt_res *res) |
1da177e4 LT |
4971 | { |
4972 | int status; | |
4973 | status = decode_op_hdr(xdr, OP_LOCKT); | |
4974 | if (status == -NFS4ERR_DENIED) | |
911d1aaf | 4975 | return decode_lock_denied(xdr, res->denied); |
1da177e4 LT |
4976 | return status; |
4977 | } | |
4978 | ||
911d1aaf | 4979 | static int decode_locku(struct xdr_stream *xdr, struct nfs_locku_res *res) |
1da177e4 | 4980 | { |
1da177e4 LT |
4981 | int status; |
4982 | ||
4983 | status = decode_op_hdr(xdr, OP_LOCKU); | |
c1d51931 TM |
4984 | if (status != -EIO) |
4985 | nfs_increment_lock_seqid(status, res->seqid); | |
07d30434 | 4986 | if (status == 0) |
93b717fd | 4987 | status = decode_lock_stateid(xdr, &res->stateid); |
1da177e4 LT |
4988 | return status; |
4989 | } | |
4990 | ||
d3c7b7cc TM |
4991 | static int decode_release_lockowner(struct xdr_stream *xdr) |
4992 | { | |
4993 | return decode_op_hdr(xdr, OP_RELEASE_LOCKOWNER); | |
4994 | } | |
4995 | ||
1da177e4 LT |
4996 | static int decode_lookup(struct xdr_stream *xdr) |
4997 | { | |
4998 | return decode_op_hdr(xdr, OP_LOOKUP); | |
4999 | } | |
5000 | ||
5001 | /* This is too sick! */ | |
7d160a6c TM |
5002 | static int decode_space_limit(struct xdr_stream *xdr, |
5003 | unsigned long *pagemod_limit) | |
1da177e4 | 5004 | { |
05d564fe | 5005 | __be32 *p; |
1da177e4 | 5006 | uint32_t limit_type, nblocks, blocksize; |
7d160a6c | 5007 | u64 maxsize = 0; |
1da177e4 | 5008 | |
c0eae66e BH |
5009 | p = xdr_inline_decode(xdr, 12); |
5010 | if (unlikely(!p)) | |
5011 | goto out_overflow; | |
6f723f77 | 5012 | limit_type = be32_to_cpup(p++); |
1da177e4 | 5013 | switch (limit_type) { |
7d160a6c TM |
5014 | case NFS4_LIMIT_SIZE: |
5015 | xdr_decode_hyper(p, &maxsize); | |
05d564fe | 5016 | break; |
7d160a6c | 5017 | case NFS4_LIMIT_BLOCKS: |
6f723f77 | 5018 | nblocks = be32_to_cpup(p++); |
cccddf4f | 5019 | blocksize = be32_to_cpup(p); |
7d160a6c | 5020 | maxsize = (uint64_t)nblocks * (uint64_t)blocksize; |
1da177e4 | 5021 | } |
09cbfeaf | 5022 | maxsize >>= PAGE_SHIFT; |
7d160a6c | 5023 | *pagemod_limit = min_t(u64, maxsize, ULONG_MAX); |
1da177e4 | 5024 | return 0; |
c0eae66e BH |
5025 | out_overflow: |
5026 | print_overflow_msg(__func__, xdr); | |
5027 | return -EIO; | |
1da177e4 LT |
5028 | } |
5029 | ||
6ae37339 TM |
5030 | static int decode_rw_delegation(struct xdr_stream *xdr, |
5031 | uint32_t delegation_type, | |
5032 | struct nfs_openres *res) | |
1da177e4 | 5033 | { |
05d564fe | 5034 | __be32 *p; |
07d30434 | 5035 | int status; |
1da177e4 | 5036 | |
93b717fd | 5037 | status = decode_delegation_stateid(xdr, &res->delegation); |
07d30434 BH |
5038 | if (unlikely(status)) |
5039 | return status; | |
c0eae66e BH |
5040 | p = xdr_inline_decode(xdr, 4); |
5041 | if (unlikely(!p)) | |
5042 | goto out_overflow; | |
cccddf4f | 5043 | res->do_recall = be32_to_cpup(p); |
05d564fe | 5044 | |
1da177e4 | 5045 | switch (delegation_type) { |
05d564fe AA |
5046 | case NFS4_OPEN_DELEGATE_READ: |
5047 | res->delegation_type = FMODE_READ; | |
5048 | break; | |
5049 | case NFS4_OPEN_DELEGATE_WRITE: | |
5050 | res->delegation_type = FMODE_WRITE|FMODE_READ; | |
7d160a6c | 5051 | if (decode_space_limit(xdr, &res->pagemod_limit) < 0) |
1da177e4 LT |
5052 | return -EIO; |
5053 | } | |
7539bbab | 5054 | return decode_ace(xdr, NULL, res->server->nfs_client); |
c0eae66e BH |
5055 | out_overflow: |
5056 | print_overflow_msg(__func__, xdr); | |
5057 | return -EIO; | |
1da177e4 LT |
5058 | } |
5059 | ||
6ae37339 TM |
5060 | static int decode_no_delegation(struct xdr_stream *xdr, struct nfs_openres *res) |
5061 | { | |
5062 | __be32 *p; | |
5063 | uint32_t why_no_delegation; | |
5064 | ||
5065 | p = xdr_inline_decode(xdr, 4); | |
5066 | if (unlikely(!p)) | |
5067 | goto out_overflow; | |
5068 | why_no_delegation = be32_to_cpup(p); | |
5069 | switch (why_no_delegation) { | |
5070 | case WND4_CONTENTION: | |
5071 | case WND4_RESOURCE: | |
5072 | xdr_inline_decode(xdr, 4); | |
5073 | /* Ignore for now */ | |
5074 | } | |
5075 | return 0; | |
5076 | out_overflow: | |
5077 | print_overflow_msg(__func__, xdr); | |
5078 | return -EIO; | |
5079 | } | |
5080 | ||
5081 | static int decode_delegation(struct xdr_stream *xdr, struct nfs_openres *res) | |
5082 | { | |
5083 | __be32 *p; | |
5084 | uint32_t delegation_type; | |
5085 | ||
5086 | p = xdr_inline_decode(xdr, 4); | |
5087 | if (unlikely(!p)) | |
5088 | goto out_overflow; | |
5089 | delegation_type = be32_to_cpup(p); | |
5090 | res->delegation_type = 0; | |
5091 | switch (delegation_type) { | |
5092 | case NFS4_OPEN_DELEGATE_NONE: | |
5093 | return 0; | |
5094 | case NFS4_OPEN_DELEGATE_READ: | |
5095 | case NFS4_OPEN_DELEGATE_WRITE: | |
5096 | return decode_rw_delegation(xdr, delegation_type, res); | |
5097 | case NFS4_OPEN_DELEGATE_NONE_EXT: | |
5098 | return decode_no_delegation(xdr, res); | |
5099 | } | |
5100 | return -EIO; | |
5101 | out_overflow: | |
5102 | print_overflow_msg(__func__, xdr); | |
5103 | return -EIO; | |
5104 | } | |
5105 | ||
1da177e4 LT |
5106 | static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res) |
5107 | { | |
05d564fe | 5108 | __be32 *p; |
aa53ed54 | 5109 | uint32_t savewords, bmlen, i; |
05d564fe | 5110 | int status; |
1da177e4 | 5111 | |
c7848f69 TM |
5112 | if (!__decode_op_hdr(xdr, OP_OPEN, &status)) |
5113 | return status; | |
5114 | nfs_increment_open_seqid(status, res->seqid); | |
5115 | if (status) | |
5116 | return status; | |
93b717fd | 5117 | status = decode_open_stateid(xdr, &res->stateid); |
07d30434 | 5118 | if (unlikely(status)) |
05d564fe | 5119 | return status; |
1da177e4 | 5120 | |
05d564fe | 5121 | decode_change_info(xdr, &res->cinfo); |
1da177e4 | 5122 | |
c0eae66e BH |
5123 | p = xdr_inline_decode(xdr, 8); |
5124 | if (unlikely(!p)) | |
5125 | goto out_overflow; | |
6f723f77 | 5126 | res->rflags = be32_to_cpup(p++); |
cccddf4f | 5127 | bmlen = be32_to_cpup(p); |
05d564fe AA |
5128 | if (bmlen > 10) |
5129 | goto xdr_error; | |
1da177e4 | 5130 | |
c0eae66e BH |
5131 | p = xdr_inline_decode(xdr, bmlen << 2); |
5132 | if (unlikely(!p)) | |
5133 | goto out_overflow; | |
aa53ed54 JL |
5134 | savewords = min_t(uint32_t, bmlen, NFS4_BITMAP_SIZE); |
5135 | for (i = 0; i < savewords; ++i) | |
6f723f77 | 5136 | res->attrset[i] = be32_to_cpup(p++); |
aa53ed54 JL |
5137 | for (; i < NFS4_BITMAP_SIZE; i++) |
5138 | res->attrset[i] = 0; | |
5139 | ||
1da177e4 LT |
5140 | return decode_delegation(xdr, res); |
5141 | xdr_error: | |
3110ff80 | 5142 | dprintk("%s: Bitmap too large! Length = %u\n", __func__, bmlen); |
1da177e4 | 5143 | return -EIO; |
c0eae66e BH |
5144 | out_overflow: |
5145 | print_overflow_msg(__func__, xdr); | |
5146 | return -EIO; | |
1da177e4 LT |
5147 | } |
5148 | ||
5149 | static int decode_open_confirm(struct xdr_stream *xdr, struct nfs_open_confirmres *res) | |
5150 | { | |
1da177e4 LT |
5151 | int status; |
5152 | ||
05d564fe | 5153 | status = decode_op_hdr(xdr, OP_OPEN_CONFIRM); |
c1d51931 TM |
5154 | if (status != -EIO) |
5155 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 | 5156 | if (!status) |
93b717fd | 5157 | status = decode_open_stateid(xdr, &res->stateid); |
07d30434 | 5158 | return status; |
1da177e4 LT |
5159 | } |
5160 | ||
5161 | static int decode_open_downgrade(struct xdr_stream *xdr, struct nfs_closeres *res) | |
5162 | { | |
1da177e4 LT |
5163 | int status; |
5164 | ||
5165 | status = decode_op_hdr(xdr, OP_OPEN_DOWNGRADE); | |
c1d51931 TM |
5166 | if (status != -EIO) |
5167 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 | 5168 | if (!status) |
93b717fd | 5169 | status = decode_open_stateid(xdr, &res->stateid); |
07d30434 | 5170 | return status; |
1da177e4 LT |
5171 | } |
5172 | ||
5173 | static int decode_putfh(struct xdr_stream *xdr) | |
5174 | { | |
5175 | return decode_op_hdr(xdr, OP_PUTFH); | |
5176 | } | |
5177 | ||
5178 | static int decode_putrootfh(struct xdr_stream *xdr) | |
5179 | { | |
5180 | return decode_op_hdr(xdr, OP_PUTROOTFH); | |
5181 | } | |
5182 | ||
9137bdf3 AS |
5183 | static int decode_read(struct xdr_stream *xdr, struct rpc_rqst *req, |
5184 | struct nfs_pgio_res *res) | |
1da177e4 | 5185 | { |
8687b63a | 5186 | __be32 *p; |
64bd577e | 5187 | uint32_t count, eof, recvd; |
1da177e4 LT |
5188 | int status; |
5189 | ||
5190 | status = decode_op_hdr(xdr, OP_READ); | |
5191 | if (status) | |
5192 | return status; | |
c0eae66e BH |
5193 | p = xdr_inline_decode(xdr, 8); |
5194 | if (unlikely(!p)) | |
5195 | goto out_overflow; | |
6f723f77 | 5196 | eof = be32_to_cpup(p++); |
cccddf4f | 5197 | count = be32_to_cpup(p); |
64bd577e | 5198 | recvd = xdr_read_pages(xdr, count); |
1da177e4 | 5199 | if (count > recvd) { |
fe82a183 | 5200 | dprintk("NFS: server cheating in read reply: " |
1da177e4 LT |
5201 | "count %u > recvd %u\n", count, recvd); |
5202 | count = recvd; | |
5203 | eof = 0; | |
5204 | } | |
1da177e4 LT |
5205 | res->eof = eof; |
5206 | res->count = count; | |
5207 | return 0; | |
c0eae66e BH |
5208 | out_overflow: |
5209 | print_overflow_msg(__func__, xdr); | |
5210 | return -EIO; | |
1da177e4 LT |
5211 | } |
5212 | ||
5213 | static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs4_readdir_res *readdir) | |
5214 | { | |
bcecff77 | 5215 | int status; |
cd93710e | 5216 | __be32 verf[2]; |
1da177e4 LT |
5217 | |
5218 | status = decode_op_hdr(xdr, OP_READDIR); | |
db942bbd BH |
5219 | if (!status) |
5220 | status = decode_verifier(xdr, readdir->verifier.data); | |
5221 | if (unlikely(status)) | |
1da177e4 | 5222 | return status; |
cd93710e | 5223 | memcpy(verf, readdir->verifier.data, sizeof(verf)); |
44109241 | 5224 | dprintk("%s: verifier = %08x:%08x\n", |
cd93710e | 5225 | __func__, verf[0], verf[1]); |
64bd577e | 5226 | return xdr_read_pages(xdr, xdr->buf->page_len); |
1da177e4 LT |
5227 | } |
5228 | ||
5229 | static int decode_readlink(struct xdr_stream *xdr, struct rpc_rqst *req) | |
5230 | { | |
5231 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; | |
bcecff77 | 5232 | u32 len, recvd; |
8687b63a | 5233 | __be32 *p; |
1da177e4 LT |
5234 | int status; |
5235 | ||
5236 | status = decode_op_hdr(xdr, OP_READLINK); | |
5237 | if (status) | |
5238 | return status; | |
5239 | ||
5240 | /* Convert length of symlink */ | |
c0eae66e BH |
5241 | p = xdr_inline_decode(xdr, 4); |
5242 | if (unlikely(!p)) | |
5243 | goto out_overflow; | |
cccddf4f | 5244 | len = be32_to_cpup(p); |
1da177e4 | 5245 | if (len >= rcvbuf->page_len || len <= 0) { |
fe82a183 | 5246 | dprintk("nfs: server returned giant symlink!\n"); |
1da177e4 LT |
5247 | return -ENAMETOOLONG; |
5248 | } | |
64bd577e | 5249 | recvd = xdr_read_pages(xdr, len); |
1da177e4 | 5250 | if (recvd < len) { |
fe82a183 | 5251 | dprintk("NFS: server cheating in readlink reply: " |
1da177e4 LT |
5252 | "count %u > recvd %u\n", len, recvd); |
5253 | return -EIO; | |
5254 | } | |
1da177e4 LT |
5255 | /* |
5256 | * The XDR encode routine has set things up so that | |
5257 | * the link text will be copied directly into the | |
5258 | * buffer. We just have to do overflow-checking, | |
5259 | * and and null-terminate the text (the VFS expects | |
5260 | * null-termination). | |
5261 | */ | |
b4687da7 | 5262 | xdr_terminate_string(rcvbuf, len); |
1da177e4 | 5263 | return 0; |
c0eae66e BH |
5264 | out_overflow: |
5265 | print_overflow_msg(__func__, xdr); | |
5266 | return -EIO; | |
1da177e4 LT |
5267 | } |
5268 | ||
5269 | static int decode_remove(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
5270 | { | |
5271 | int status; | |
5272 | ||
5273 | status = decode_op_hdr(xdr, OP_REMOVE); | |
5274 | if (status) | |
5275 | goto out; | |
5276 | status = decode_change_info(xdr, cinfo); | |
5277 | out: | |
5278 | return status; | |
5279 | } | |
5280 | ||
5281 | static int decode_rename(struct xdr_stream *xdr, struct nfs4_change_info *old_cinfo, | |
5282 | struct nfs4_change_info *new_cinfo) | |
5283 | { | |
5284 | int status; | |
5285 | ||
5286 | status = decode_op_hdr(xdr, OP_RENAME); | |
5287 | if (status) | |
5288 | goto out; | |
5289 | if ((status = decode_change_info(xdr, old_cinfo))) | |
5290 | goto out; | |
5291 | status = decode_change_info(xdr, new_cinfo); | |
5292 | out: | |
5293 | return status; | |
5294 | } | |
5295 | ||
5296 | static int decode_renew(struct xdr_stream *xdr) | |
5297 | { | |
5298 | return decode_op_hdr(xdr, OP_RENEW); | |
5299 | } | |
5300 | ||
56ae19f3 TM |
5301 | static int |
5302 | decode_restorefh(struct xdr_stream *xdr) | |
5303 | { | |
5304 | return decode_op_hdr(xdr, OP_RESTOREFH); | |
5305 | } | |
5306 | ||
029d105e | 5307 | static int decode_getacl(struct xdr_stream *xdr, struct rpc_rqst *req, |
bf118a34 | 5308 | struct nfs_getaclres *res) |
029d105e | 5309 | { |
256e48bb | 5310 | unsigned int savep; |
029d105e | 5311 | uint32_t attrlen, |
dae100c2 | 5312 | bitmap[3] = {0}; |
029d105e | 5313 | int status; |
cff298c7 | 5314 | unsigned int pg_offset; |
029d105e | 5315 | |
bf118a34 | 5316 | res->acl_len = 0; |
029d105e BF |
5317 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
5318 | goto out; | |
5a006899 | 5319 | |
519d3959 TM |
5320 | xdr_enter_page(xdr, xdr->buf->page_len); |
5321 | ||
cff298c7 TM |
5322 | /* Calculate the offset of the page data */ |
5323 | pg_offset = xdr->buf->head[0].iov_len; | |
5a006899 | 5324 | |
029d105e BF |
5325 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) |
5326 | goto out; | |
5327 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
5328 | goto out; | |
5329 | ||
5330 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACL - 1U))) | |
5331 | return -EIO; | |
5332 | if (likely(bitmap[0] & FATTR4_WORD0_ACL)) { | |
029d105e | 5333 | |
bf118a34 AA |
5334 | /* The bitmap (xdr len + bitmaps) and the attr xdr len words |
5335 | * are stored with the acl data to handle the problem of | |
5336 | * variable length bitmaps.*/ | |
cff298c7 | 5337 | res->acl_data_offset = xdr_stream_pos(xdr) - pg_offset; |
519d3959 | 5338 | res->acl_len = attrlen; |
1f1ea6c2 TM |
5339 | |
5340 | /* Check for receive buffer overflow */ | |
5341 | if (res->acl_len > (xdr->nwords << 2) || | |
5342 | res->acl_len + res->acl_data_offset > xdr->buf->page_len) { | |
5343 | res->acl_flags |= NFS4_ACL_TRUNC; | |
519d3959 | 5344 | dprintk("NFS: acl reply: attrlen %u > page_len %u\n", |
cff298c7 | 5345 | attrlen, xdr->nwords << 2); |
029d105e | 5346 | } |
8c233cf9 BF |
5347 | } else |
5348 | status = -EOPNOTSUPP; | |
029d105e BF |
5349 | |
5350 | out: | |
5351 | return status; | |
5352 | } | |
5353 | ||
1da177e4 LT |
5354 | static int |
5355 | decode_savefh(struct xdr_stream *xdr) | |
5356 | { | |
5357 | return decode_op_hdr(xdr, OP_SAVEFH); | |
5358 | } | |
5359 | ||
9e9ecc03 | 5360 | static int decode_setattr(struct xdr_stream *xdr) |
1da177e4 | 5361 | { |
8687b63a | 5362 | __be32 *p; |
1da177e4 LT |
5363 | uint32_t bmlen; |
5364 | int status; | |
5365 | ||
1da177e4 LT |
5366 | status = decode_op_hdr(xdr, OP_SETATTR); |
5367 | if (status) | |
5368 | return status; | |
c0eae66e BH |
5369 | p = xdr_inline_decode(xdr, 4); |
5370 | if (unlikely(!p)) | |
5371 | goto out_overflow; | |
cccddf4f | 5372 | bmlen = be32_to_cpup(p); |
c0eae66e BH |
5373 | p = xdr_inline_decode(xdr, bmlen << 2); |
5374 | if (likely(p)) | |
5375 | return 0; | |
5376 | out_overflow: | |
5377 | print_overflow_msg(__func__, xdr); | |
5378 | return -EIO; | |
1da177e4 LT |
5379 | } |
5380 | ||
bb8b27e5 | 5381 | static int decode_setclientid(struct xdr_stream *xdr, struct nfs4_setclientid_res *res) |
1da177e4 | 5382 | { |
8687b63a | 5383 | __be32 *p; |
1da177e4 LT |
5384 | uint32_t opnum; |
5385 | int32_t nfserr; | |
5386 | ||
c0eae66e BH |
5387 | p = xdr_inline_decode(xdr, 8); |
5388 | if (unlikely(!p)) | |
5389 | goto out_overflow; | |
6f723f77 | 5390 | opnum = be32_to_cpup(p++); |
1da177e4 | 5391 | if (opnum != OP_SETCLIENTID) { |
fe82a183 | 5392 | dprintk("nfs: decode_setclientid: Server returned operation" |
6c0195a4 | 5393 | " %d\n", opnum); |
1da177e4 LT |
5394 | return -EIO; |
5395 | } | |
cccddf4f | 5396 | nfserr = be32_to_cpup(p); |
1da177e4 | 5397 | if (nfserr == NFS_OK) { |
c0eae66e BH |
5398 | p = xdr_inline_decode(xdr, 8 + NFS4_VERIFIER_SIZE); |
5399 | if (unlikely(!p)) | |
5400 | goto out_overflow; | |
bb8b27e5 TM |
5401 | p = xdr_decode_hyper(p, &res->clientid); |
5402 | memcpy(res->confirm.data, p, NFS4_VERIFIER_SIZE); | |
1da177e4 LT |
5403 | } else if (nfserr == NFSERR_CLID_INUSE) { |
5404 | uint32_t len; | |
5405 | ||
5406 | /* skip netid string */ | |
c0eae66e BH |
5407 | p = xdr_inline_decode(xdr, 4); |
5408 | if (unlikely(!p)) | |
5409 | goto out_overflow; | |
cccddf4f | 5410 | len = be32_to_cpup(p); |
c0eae66e BH |
5411 | p = xdr_inline_decode(xdr, len); |
5412 | if (unlikely(!p)) | |
5413 | goto out_overflow; | |
1da177e4 LT |
5414 | |
5415 | /* skip uaddr string */ | |
c0eae66e BH |
5416 | p = xdr_inline_decode(xdr, 4); |
5417 | if (unlikely(!p)) | |
5418 | goto out_overflow; | |
cccddf4f | 5419 | len = be32_to_cpup(p); |
c0eae66e BH |
5420 | p = xdr_inline_decode(xdr, len); |
5421 | if (unlikely(!p)) | |
5422 | goto out_overflow; | |
1da177e4 LT |
5423 | return -NFSERR_CLID_INUSE; |
5424 | } else | |
856dff3d | 5425 | return nfs4_stat_to_errno(nfserr); |
1da177e4 LT |
5426 | |
5427 | return 0; | |
c0eae66e BH |
5428 | out_overflow: |
5429 | print_overflow_msg(__func__, xdr); | |
5430 | return -EIO; | |
1da177e4 LT |
5431 | } |
5432 | ||
5433 | static int decode_setclientid_confirm(struct xdr_stream *xdr) | |
5434 | { | |
5435 | return decode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM); | |
5436 | } | |
5437 | ||
9137bdf3 | 5438 | static int decode_write(struct xdr_stream *xdr, struct nfs_pgio_res *res) |
1da177e4 | 5439 | { |
8687b63a | 5440 | __be32 *p; |
1da177e4 LT |
5441 | int status; |
5442 | ||
5443 | status = decode_op_hdr(xdr, OP_WRITE); | |
5444 | if (status) | |
5445 | return status; | |
5446 | ||
2f2c63bc | 5447 | p = xdr_inline_decode(xdr, 8); |
c0eae66e BH |
5448 | if (unlikely(!p)) |
5449 | goto out_overflow; | |
6f723f77 BH |
5450 | res->count = be32_to_cpup(p++); |
5451 | res->verf->committed = be32_to_cpup(p++); | |
2f2c63bc | 5452 | return decode_write_verifier(xdr, &res->verf->verifier); |
c0eae66e BH |
5453 | out_overflow: |
5454 | print_overflow_msg(__func__, xdr); | |
5455 | return -EIO; | |
1da177e4 LT |
5456 | } |
5457 | ||
5458 | static int decode_delegreturn(struct xdr_stream *xdr) | |
5459 | { | |
5460 | return decode_op_hdr(xdr, OP_DELEGRETURN); | |
5461 | } | |
5462 | ||
fb15b26f CL |
5463 | static int decode_secinfo_gss(struct xdr_stream *xdr, |
5464 | struct nfs4_secinfo4 *flavor) | |
5a5ea0d4 | 5465 | { |
fb15b26f | 5466 | u32 oid_len; |
5a5ea0d4 BS |
5467 | __be32 *p; |
5468 | ||
5469 | p = xdr_inline_decode(xdr, 4); | |
5470 | if (unlikely(!p)) | |
5471 | goto out_overflow; | |
fb15b26f CL |
5472 | oid_len = be32_to_cpup(p); |
5473 | if (oid_len > GSS_OID_MAX_LEN) | |
5a5ea0d4 BS |
5474 | goto out_err; |
5475 | ||
fb15b26f | 5476 | p = xdr_inline_decode(xdr, oid_len); |
5a5ea0d4 BS |
5477 | if (unlikely(!p)) |
5478 | goto out_overflow; | |
fb15b26f CL |
5479 | memcpy(flavor->flavor_info.oid.data, p, oid_len); |
5480 | flavor->flavor_info.oid.len = oid_len; | |
5a5ea0d4 BS |
5481 | |
5482 | p = xdr_inline_decode(xdr, 8); | |
5483 | if (unlikely(!p)) | |
5484 | goto out_overflow; | |
fb15b26f CL |
5485 | flavor->flavor_info.qop = be32_to_cpup(p++); |
5486 | flavor->flavor_info.service = be32_to_cpup(p); | |
5a5ea0d4 BS |
5487 | |
5488 | return 0; | |
5489 | ||
5490 | out_overflow: | |
5491 | print_overflow_msg(__func__, xdr); | |
5492 | return -EIO; | |
5493 | out_err: | |
5494 | return -EINVAL; | |
5495 | } | |
5496 | ||
31e4dda4 | 5497 | static int decode_secinfo_common(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
5a5ea0d4 | 5498 | { |
fb15b26f CL |
5499 | struct nfs4_secinfo4 *sec_flavor; |
5500 | unsigned int i, num_flavors; | |
5a5ea0d4 BS |
5501 | int status; |
5502 | __be32 *p; | |
5a5ea0d4 | 5503 | |
5a5ea0d4 BS |
5504 | p = xdr_inline_decode(xdr, 4); |
5505 | if (unlikely(!p)) | |
5506 | goto out_overflow; | |
5a5ea0d4 | 5507 | |
c3dfc280 BS |
5508 | res->flavors->num_flavors = 0; |
5509 | num_flavors = be32_to_cpup(p); | |
5510 | ||
5511 | for (i = 0; i < num_flavors; i++) { | |
5a5ea0d4 | 5512 | sec_flavor = &res->flavors->flavors[i]; |
c3dfc280 | 5513 | if ((char *)&sec_flavor[1] - (char *)res->flavors > PAGE_SIZE) |
5a5ea0d4 BS |
5514 | break; |
5515 | ||
5516 | p = xdr_inline_decode(xdr, 4); | |
5517 | if (unlikely(!p)) | |
5518 | goto out_overflow; | |
5519 | sec_flavor->flavor = be32_to_cpup(p); | |
5520 | ||
5521 | if (sec_flavor->flavor == RPC_AUTH_GSS) { | |
613e901e BS |
5522 | status = decode_secinfo_gss(xdr, sec_flavor); |
5523 | if (status) | |
5524 | goto out; | |
5a5ea0d4 | 5525 | } |
c3dfc280 | 5526 | res->flavors->num_flavors++; |
5a5ea0d4 BS |
5527 | } |
5528 | ||
31e4dda4 | 5529 | status = 0; |
613e901e BS |
5530 | out: |
5531 | return status; | |
5a5ea0d4 BS |
5532 | out_overflow: |
5533 | print_overflow_msg(__func__, xdr); | |
5534 | return -EIO; | |
5535 | } | |
5536 | ||
31e4dda4 BS |
5537 | static int decode_secinfo(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
5538 | { | |
5539 | int status = decode_op_hdr(xdr, OP_SECINFO); | |
5540 | if (status) | |
5541 | return status; | |
5542 | return decode_secinfo_common(xdr, res); | |
5543 | } | |
5544 | ||
99fe60d0 | 5545 | #if defined(CONFIG_NFS_V4_1) |
31e4dda4 BS |
5546 | static int decode_secinfo_no_name(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
5547 | { | |
5548 | int status = decode_op_hdr(xdr, OP_SECINFO_NO_NAME); | |
5549 | if (status) | |
5550 | return status; | |
5551 | return decode_secinfo_common(xdr, res); | |
5552 | } | |
5553 | ||
2031cd1a WAA |
5554 | static int decode_op_map(struct xdr_stream *xdr, struct nfs4_op_map *op_map) |
5555 | { | |
5556 | __be32 *p; | |
5557 | uint32_t bitmap_words; | |
5558 | unsigned int i; | |
5559 | ||
5560 | p = xdr_inline_decode(xdr, 4); | |
5561 | bitmap_words = be32_to_cpup(p++); | |
5562 | if (bitmap_words > NFS4_OP_MAP_NUM_WORDS) | |
5563 | return -EIO; | |
5564 | p = xdr_inline_decode(xdr, 4 * bitmap_words); | |
5565 | for (i = 0; i < bitmap_words; i++) | |
5566 | op_map->u.words[i] = be32_to_cpup(p++); | |
5567 | ||
5568 | return 0; | |
5569 | } | |
5570 | ||
99fe60d0 BH |
5571 | static int decode_exchange_id(struct xdr_stream *xdr, |
5572 | struct nfs41_exchange_id_res *res) | |
5573 | { | |
5574 | __be32 *p; | |
5575 | uint32_t dummy; | |
2460ba57 | 5576 | char *dummy_str; |
99fe60d0 | 5577 | int status; |
7d2ed9ac | 5578 | uint32_t impl_id_count; |
99fe60d0 BH |
5579 | |
5580 | status = decode_op_hdr(xdr, OP_EXCHANGE_ID); | |
5581 | if (status) | |
5582 | return status; | |
5583 | ||
c0eae66e BH |
5584 | p = xdr_inline_decode(xdr, 8); |
5585 | if (unlikely(!p)) | |
5586 | goto out_overflow; | |
32b01310 | 5587 | xdr_decode_hyper(p, &res->clientid); |
c0eae66e BH |
5588 | p = xdr_inline_decode(xdr, 12); |
5589 | if (unlikely(!p)) | |
5590 | goto out_overflow; | |
32b01310 TM |
5591 | res->seqid = be32_to_cpup(p++); |
5592 | res->flags = be32_to_cpup(p++); | |
99fe60d0 | 5593 | |
2031cd1a WAA |
5594 | res->state_protect.how = be32_to_cpup(p); |
5595 | switch (res->state_protect.how) { | |
5596 | case SP4_NONE: | |
5597 | break; | |
5598 | case SP4_MACH_CRED: | |
5599 | status = decode_op_map(xdr, &res->state_protect.enforce); | |
5600 | if (status) | |
5601 | return status; | |
5602 | status = decode_op_map(xdr, &res->state_protect.allow); | |
5603 | if (status) | |
5604 | return status; | |
5605 | break; | |
5606 | default: | |
5607 | WARN_ON_ONCE(1); | |
99fe60d0 | 5608 | return -EIO; |
2031cd1a | 5609 | } |
99fe60d0 | 5610 | |
acdeb69d | 5611 | /* server_owner4.so_minor_id */ |
c0eae66e BH |
5612 | p = xdr_inline_decode(xdr, 8); |
5613 | if (unlikely(!p)) | |
5614 | goto out_overflow; | |
acdeb69d | 5615 | p = xdr_decode_hyper(p, &res->server_owner->minor_id); |
99fe60d0 | 5616 | |
acdeb69d | 5617 | /* server_owner4.so_major_id */ |
2460ba57 BH |
5618 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
5619 | if (unlikely(status)) | |
5620 | return status; | |
acdeb69d CL |
5621 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) |
5622 | return -EIO; | |
5623 | memcpy(res->server_owner->major_id, dummy_str, dummy); | |
5624 | res->server_owner->major_id_sz = dummy; | |
99fe60d0 | 5625 | |
acdeb69d | 5626 | /* server_scope4 */ |
2460ba57 BH |
5627 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
5628 | if (unlikely(status)) | |
5629 | return status; | |
78fe0f41 WAA |
5630 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) |
5631 | return -EIO; | |
78fe0f41 WAA |
5632 | memcpy(res->server_scope->server_scope, dummy_str, dummy); |
5633 | res->server_scope->server_scope_sz = dummy; | |
5634 | ||
7d2ed9ac WAA |
5635 | /* Implementation Id */ |
5636 | p = xdr_inline_decode(xdr, 4); | |
5637 | if (unlikely(!p)) | |
5638 | goto out_overflow; | |
5639 | impl_id_count = be32_to_cpup(p++); | |
99fe60d0 | 5640 | |
7d2ed9ac WAA |
5641 | if (impl_id_count) { |
5642 | /* nii_domain */ | |
5643 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); | |
5644 | if (unlikely(status)) | |
5645 | return status; | |
5646 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) | |
5647 | return -EIO; | |
5648 | memcpy(res->impl_id->domain, dummy_str, dummy); | |
5649 | ||
5650 | /* nii_name */ | |
5651 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); | |
5652 | if (unlikely(status)) | |
5653 | return status; | |
5654 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) | |
5655 | return -EIO; | |
5656 | memcpy(res->impl_id->name, dummy_str, dummy); | |
5657 | ||
5658 | /* nii_date */ | |
5659 | p = xdr_inline_decode(xdr, 12); | |
5660 | if (unlikely(!p)) | |
5661 | goto out_overflow; | |
5662 | p = xdr_decode_hyper(p, &res->impl_id->date.seconds); | |
5663 | res->impl_id->date.nseconds = be32_to_cpup(p); | |
5664 | ||
5665 | /* if there's more than one entry, ignore the rest */ | |
5666 | } | |
99fe60d0 | 5667 | return 0; |
c0eae66e BH |
5668 | out_overflow: |
5669 | print_overflow_msg(__func__, xdr); | |
5670 | return -EIO; | |
99fe60d0 | 5671 | } |
fc931582 AA |
5672 | |
5673 | static int decode_chan_attrs(struct xdr_stream *xdr, | |
5674 | struct nfs4_channel_attrs *attrs) | |
5675 | { | |
5676 | __be32 *p; | |
c9c30dd5 | 5677 | u32 nr_attrs, val; |
fc931582 | 5678 | |
c0eae66e BH |
5679 | p = xdr_inline_decode(xdr, 28); |
5680 | if (unlikely(!p)) | |
5681 | goto out_overflow; | |
c9c30dd5 BH |
5682 | val = be32_to_cpup(p++); /* headerpadsz */ |
5683 | if (val) | |
5684 | return -EINVAL; /* no support for header padding yet */ | |
6f723f77 BH |
5685 | attrs->max_rqst_sz = be32_to_cpup(p++); |
5686 | attrs->max_resp_sz = be32_to_cpup(p++); | |
5687 | attrs->max_resp_sz_cached = be32_to_cpup(p++); | |
5688 | attrs->max_ops = be32_to_cpup(p++); | |
5689 | attrs->max_reqs = be32_to_cpup(p++); | |
cccddf4f | 5690 | nr_attrs = be32_to_cpup(p); |
fc931582 | 5691 | if (unlikely(nr_attrs > 1)) { |
a030889a WAA |
5692 | printk(KERN_WARNING "NFS: %s: Invalid rdma channel attrs " |
5693 | "count %u\n", __func__, nr_attrs); | |
fc931582 AA |
5694 | return -EINVAL; |
5695 | } | |
c0eae66e BH |
5696 | if (nr_attrs == 1) { |
5697 | p = xdr_inline_decode(xdr, 4); /* skip rdma_attrs */ | |
5698 | if (unlikely(!p)) | |
5699 | goto out_overflow; | |
5700 | } | |
fc931582 | 5701 | return 0; |
c0eae66e BH |
5702 | out_overflow: |
5703 | print_overflow_msg(__func__, xdr); | |
5704 | return -EIO; | |
fc931582 AA |
5705 | } |
5706 | ||
e78291e4 BH |
5707 | static int decode_sessionid(struct xdr_stream *xdr, struct nfs4_sessionid *sid) |
5708 | { | |
5709 | return decode_opaque_fixed(xdr, sid->data, NFS4_MAX_SESSIONID_LEN); | |
fc931582 AA |
5710 | } |
5711 | ||
7c44f1ae WAA |
5712 | static int decode_bind_conn_to_session(struct xdr_stream *xdr, |
5713 | struct nfs41_bind_conn_to_session_res *res) | |
5714 | { | |
5715 | __be32 *p; | |
5716 | int status; | |
5717 | ||
5718 | status = decode_op_hdr(xdr, OP_BIND_CONN_TO_SESSION); | |
5719 | if (!status) | |
71a097c6 | 5720 | status = decode_sessionid(xdr, &res->sessionid); |
7c44f1ae WAA |
5721 | if (unlikely(status)) |
5722 | return status; | |
5723 | ||
5724 | /* dir flags, rdma mode bool */ | |
5725 | p = xdr_inline_decode(xdr, 8); | |
5726 | if (unlikely(!p)) | |
5727 | goto out_overflow; | |
5728 | ||
5729 | res->dir = be32_to_cpup(p++); | |
5730 | if (res->dir == 0 || res->dir > NFS4_CDFS4_BOTH) | |
5731 | return -EIO; | |
5732 | if (be32_to_cpup(p) == 0) | |
5733 | res->use_conn_in_rdma_mode = false; | |
5734 | else | |
5735 | res->use_conn_in_rdma_mode = true; | |
5736 | ||
5737 | return 0; | |
5738 | out_overflow: | |
5739 | print_overflow_msg(__func__, xdr); | |
5740 | return -EIO; | |
5741 | } | |
5742 | ||
fc931582 AA |
5743 | static int decode_create_session(struct xdr_stream *xdr, |
5744 | struct nfs41_create_session_res *res) | |
5745 | { | |
5746 | __be32 *p; | |
5747 | int status; | |
fc931582 AA |
5748 | |
5749 | status = decode_op_hdr(xdr, OP_CREATE_SESSION); | |
e78291e4 | 5750 | if (!status) |
79969dd1 | 5751 | status = decode_sessionid(xdr, &res->sessionid); |
e78291e4 | 5752 | if (unlikely(status)) |
fc931582 AA |
5753 | return status; |
5754 | ||
fc931582 | 5755 | /* seqid, flags */ |
c0eae66e BH |
5756 | p = xdr_inline_decode(xdr, 8); |
5757 | if (unlikely(!p)) | |
5758 | goto out_overflow; | |
79969dd1 TM |
5759 | res->seqid = be32_to_cpup(p++); |
5760 | res->flags = be32_to_cpup(p); | |
fc931582 AA |
5761 | |
5762 | /* Channel attributes */ | |
79969dd1 | 5763 | status = decode_chan_attrs(xdr, &res->fc_attrs); |
fc931582 | 5764 | if (!status) |
79969dd1 | 5765 | status = decode_chan_attrs(xdr, &res->bc_attrs); |
fc931582 | 5766 | return status; |
c0eae66e BH |
5767 | out_overflow: |
5768 | print_overflow_msg(__func__, xdr); | |
5769 | return -EIO; | |
fc931582 | 5770 | } |
0f3e66c6 AA |
5771 | |
5772 | static int decode_destroy_session(struct xdr_stream *xdr, void *dummy) | |
5773 | { | |
5774 | return decode_op_hdr(xdr, OP_DESTROY_SESSION); | |
5775 | } | |
18019753 | 5776 | |
66245539 TM |
5777 | static int decode_destroy_clientid(struct xdr_stream *xdr, void *dummy) |
5778 | { | |
5779 | return decode_op_hdr(xdr, OP_DESTROY_CLIENTID); | |
5780 | } | |
5781 | ||
18019753 RL |
5782 | static int decode_reclaim_complete(struct xdr_stream *xdr, void *dummy) |
5783 | { | |
5784 | return decode_op_hdr(xdr, OP_RECLAIM_COMPLETE); | |
5785 | } | |
99fe60d0 BH |
5786 | #endif /* CONFIG_NFS_V4_1 */ |
5787 | ||
9b7b9fcc AA |
5788 | static int decode_sequence(struct xdr_stream *xdr, |
5789 | struct nfs4_sequence_res *res, | |
5790 | struct rpc_rqst *rqstp) | |
5791 | { | |
5792 | #if defined(CONFIG_NFS_V4_1) | |
e3725ec0 | 5793 | struct nfs4_session *session; |
fc01cea9 AA |
5794 | struct nfs4_sessionid id; |
5795 | u32 dummy; | |
5796 | int status; | |
5797 | __be32 *p; | |
5798 | ||
e3725ec0 | 5799 | if (res->sr_slot == NULL) |
9b7b9fcc | 5800 | return 0; |
3bd2384a CL |
5801 | if (!res->sr_slot->table->session) |
5802 | return 0; | |
9b7b9fcc | 5803 | |
fc01cea9 | 5804 | status = decode_op_hdr(xdr, OP_SEQUENCE); |
e78291e4 BH |
5805 | if (!status) |
5806 | status = decode_sessionid(xdr, &id); | |
5807 | if (unlikely(status)) | |
fc01cea9 | 5808 | goto out_err; |
9b7b9fcc | 5809 | |
fc01cea9 AA |
5810 | /* |
5811 | * If the server returns different values for sessionID, slotID or | |
5812 | * sequence number, the server is looney tunes. | |
5813 | */ | |
fdcb4577 | 5814 | status = -EREMOTEIO; |
e3725ec0 | 5815 | session = res->sr_slot->table->session; |
fc01cea9 | 5816 | |
e3725ec0 | 5817 | if (memcmp(id.data, session->sess_id.data, |
fc01cea9 AA |
5818 | NFS4_MAX_SESSIONID_LEN)) { |
5819 | dprintk("%s Invalid session id\n", __func__); | |
5820 | goto out_err; | |
5821 | } | |
e78291e4 | 5822 | |
c0eae66e BH |
5823 | p = xdr_inline_decode(xdr, 20); |
5824 | if (unlikely(!p)) | |
5825 | goto out_overflow; | |
e78291e4 | 5826 | |
fc01cea9 | 5827 | /* seqid */ |
6f723f77 | 5828 | dummy = be32_to_cpup(p++); |
dfb4f309 | 5829 | if (dummy != res->sr_slot->seq_nr) { |
fc01cea9 AA |
5830 | dprintk("%s Invalid sequence number\n", __func__); |
5831 | goto out_err; | |
5832 | } | |
5833 | /* slot id */ | |
6f723f77 | 5834 | dummy = be32_to_cpup(p++); |
df2fabff | 5835 | if (dummy != res->sr_slot->slot_nr) { |
fc01cea9 AA |
5836 | dprintk("%s Invalid slot id\n", __func__); |
5837 | goto out_err; | |
5838 | } | |
da0507b7 TM |
5839 | /* highest slot id */ |
5840 | res->sr_highest_slotid = be32_to_cpup(p++); | |
464ee9f9 TM |
5841 | /* target highest slot id */ |
5842 | res->sr_target_highest_slotid = be32_to_cpup(p++); | |
0629e370 AB |
5843 | /* result flags */ |
5844 | res->sr_status_flags = be32_to_cpup(p); | |
fc01cea9 AA |
5845 | status = 0; |
5846 | out_err: | |
5847 | res->sr_status = status; | |
5848 | return status; | |
c0eae66e BH |
5849 | out_overflow: |
5850 | print_overflow_msg(__func__, xdr); | |
5851 | status = -EIO; | |
5852 | goto out_err; | |
fc01cea9 | 5853 | #else /* CONFIG_NFS_V4_1 */ |
9b7b9fcc | 5854 | return 0; |
fc01cea9 | 5855 | #endif /* CONFIG_NFS_V4_1 */ |
9b7b9fcc AA |
5856 | } |
5857 | ||
b1f69b75 | 5858 | #if defined(CONFIG_NFS_V4_1) |
93b717fd TM |
5859 | static int decode_layout_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) |
5860 | { | |
5861 | stateid->type = NFS4_LAYOUT_STATEID_TYPE; | |
5862 | return decode_stateid(xdr, stateid); | |
5863 | } | |
5864 | ||
b1f69b75 | 5865 | static int decode_getdeviceinfo(struct xdr_stream *xdr, |
4e590803 | 5866 | struct nfs4_getdeviceinfo_res *res) |
b1f69b75 | 5867 | { |
4e590803 | 5868 | struct pnfs_device *pdev = res->pdev; |
b1f69b75 AA |
5869 | __be32 *p; |
5870 | uint32_t len, type; | |
5871 | int status; | |
5872 | ||
5873 | status = decode_op_hdr(xdr, OP_GETDEVICEINFO); | |
5874 | if (status) { | |
5875 | if (status == -ETOOSMALL) { | |
5876 | p = xdr_inline_decode(xdr, 4); | |
5877 | if (unlikely(!p)) | |
5878 | goto out_overflow; | |
5879 | pdev->mincount = be32_to_cpup(p); | |
5880 | dprintk("%s: Min count too small. mincnt = %u\n", | |
5881 | __func__, pdev->mincount); | |
5882 | } | |
5883 | return status; | |
5884 | } | |
5885 | ||
5886 | p = xdr_inline_decode(xdr, 8); | |
5887 | if (unlikely(!p)) | |
5888 | goto out_overflow; | |
5889 | type = be32_to_cpup(p++); | |
5890 | if (type != pdev->layout_type) { | |
5891 | dprintk("%s: layout mismatch req: %u pdev: %u\n", | |
5892 | __func__, pdev->layout_type, type); | |
5893 | return -EINVAL; | |
5894 | } | |
5895 | /* | |
5896 | * Get the length of the opaque device_addr4. xdr_read_pages places | |
5897 | * the opaque device_addr4 in the xdr_buf->pages (pnfs_device->pages) | |
5898 | * and places the remaining xdr data in xdr_buf->tail | |
5899 | */ | |
5900 | pdev->mincount = be32_to_cpup(p); | |
13fe4ba1 TM |
5901 | if (xdr_read_pages(xdr, pdev->mincount) != pdev->mincount) |
5902 | goto out_overflow; | |
b1f69b75 AA |
5903 | |
5904 | /* Parse notification bitmap, verifying that it is zero. */ | |
5905 | p = xdr_inline_decode(xdr, 4); | |
5906 | if (unlikely(!p)) | |
5907 | goto out_overflow; | |
5908 | len = be32_to_cpup(p); | |
5909 | if (len) { | |
ead00597 | 5910 | uint32_t i; |
b1f69b75 AA |
5911 | |
5912 | p = xdr_inline_decode(xdr, 4 * len); | |
5913 | if (unlikely(!p)) | |
5914 | goto out_overflow; | |
84c9dee3 | 5915 | |
4e590803 | 5916 | res->notification = be32_to_cpup(p++); |
84c9dee3 CH |
5917 | for (i = 1; i < len; i++) { |
5918 | if (be32_to_cpup(p++)) { | |
5919 | dprintk("%s: unsupported notification\n", | |
b1f69b75 AA |
5920 | __func__); |
5921 | return -EIO; | |
5922 | } | |
5923 | } | |
5924 | } | |
5925 | return 0; | |
5926 | out_overflow: | |
5927 | print_overflow_msg(__func__, xdr); | |
5928 | return -EIO; | |
5929 | } | |
5930 | ||
5931 | static int decode_layoutget(struct xdr_stream *xdr, struct rpc_rqst *req, | |
5932 | struct nfs4_layoutget_res *res) | |
5933 | { | |
5934 | __be32 *p; | |
5935 | int status; | |
5936 | u32 layout_count; | |
64bd577e | 5937 | u32 recvd; |
b1f69b75 AA |
5938 | |
5939 | status = decode_op_hdr(xdr, OP_LAYOUTGET); | |
5940 | if (status) | |
5941 | return status; | |
ea9d23f5 TM |
5942 | p = xdr_inline_decode(xdr, 4); |
5943 | if (unlikely(!p)) | |
5944 | goto out_overflow; | |
5945 | res->return_on_close = be32_to_cpup(p); | |
93b717fd | 5946 | decode_layout_stateid(xdr, &res->stateid); |
ea9d23f5 | 5947 | p = xdr_inline_decode(xdr, 4); |
b1f69b75 AA |
5948 | if (unlikely(!p)) |
5949 | goto out_overflow; | |
b1f69b75 AA |
5950 | layout_count = be32_to_cpup(p); |
5951 | if (!layout_count) { | |
5952 | dprintk("%s: server responded with empty layout array\n", | |
5953 | __func__); | |
5954 | return -EINVAL; | |
5955 | } | |
5956 | ||
35124a09 | 5957 | p = xdr_inline_decode(xdr, 28); |
b1f69b75 AA |
5958 | if (unlikely(!p)) |
5959 | goto out_overflow; | |
5960 | p = xdr_decode_hyper(p, &res->range.offset); | |
5961 | p = xdr_decode_hyper(p, &res->range.length); | |
5962 | res->range.iomode = be32_to_cpup(p++); | |
5963 | res->type = be32_to_cpup(p++); | |
35124a09 | 5964 | res->layoutp->len = be32_to_cpup(p); |
b1f69b75 AA |
5965 | |
5966 | dprintk("%s roff:%lu rlen:%lu riomode:%d, lo_type:0x%x, lo.len:%d\n", | |
5967 | __func__, | |
5968 | (unsigned long)res->range.offset, | |
5969 | (unsigned long)res->range.length, | |
5970 | res->range.iomode, | |
5971 | res->type, | |
35124a09 WAA |
5972 | res->layoutp->len); |
5973 | ||
64bd577e | 5974 | recvd = xdr_read_pages(xdr, res->layoutp->len); |
35124a09 WAA |
5975 | if (res->layoutp->len > recvd) { |
5976 | dprintk("NFS: server cheating in layoutget reply: " | |
5977 | "layout len %u > recvd %u\n", | |
5978 | res->layoutp->len, recvd); | |
5979 | return -EINVAL; | |
5980 | } | |
b1f69b75 | 5981 | |
b1f69b75 AA |
5982 | if (layout_count > 1) { |
5983 | /* We only handle a length one array at the moment. Any | |
5984 | * further entries are just ignored. Note that this means | |
5985 | * the client may see a response that is less than the | |
5986 | * minimum it requested. | |
5987 | */ | |
5988 | dprintk("%s: server responded with %d layouts, dropping tail\n", | |
5989 | __func__, layout_count); | |
5990 | } | |
5991 | ||
5992 | return 0; | |
5993 | out_overflow: | |
5994 | print_overflow_msg(__func__, xdr); | |
5995 | return -EIO; | |
5996 | } | |
863a3c6c | 5997 | |
cbe82603 BH |
5998 | static int decode_layoutreturn(struct xdr_stream *xdr, |
5999 | struct nfs4_layoutreturn_res *res) | |
6000 | { | |
6001 | __be32 *p; | |
6002 | int status; | |
6003 | ||
6004 | status = decode_op_hdr(xdr, OP_LAYOUTRETURN); | |
6005 | if (status) | |
6006 | return status; | |
6007 | p = xdr_inline_decode(xdr, 4); | |
6008 | if (unlikely(!p)) | |
6009 | goto out_overflow; | |
6010 | res->lrs_present = be32_to_cpup(p); | |
6011 | if (res->lrs_present) | |
93b717fd | 6012 | status = decode_layout_stateid(xdr, &res->stateid); |
cbe82603 BH |
6013 | return status; |
6014 | out_overflow: | |
6015 | print_overflow_msg(__func__, xdr); | |
6016 | return -EIO; | |
6017 | } | |
6018 | ||
863a3c6c AA |
6019 | static int decode_layoutcommit(struct xdr_stream *xdr, |
6020 | struct rpc_rqst *req, | |
6021 | struct nfs4_layoutcommit_res *res) | |
6022 | { | |
6023 | __be32 *p; | |
6024 | __u32 sizechanged; | |
6025 | int status; | |
6026 | ||
6027 | status = decode_op_hdr(xdr, OP_LAYOUTCOMMIT); | |
db29c089 | 6028 | res->status = status; |
863a3c6c AA |
6029 | if (status) |
6030 | return status; | |
6031 | ||
6032 | p = xdr_inline_decode(xdr, 4); | |
6033 | if (unlikely(!p)) | |
6034 | goto out_overflow; | |
6035 | sizechanged = be32_to_cpup(p); | |
6036 | ||
6037 | if (sizechanged) { | |
6038 | /* throw away new size */ | |
6039 | p = xdr_inline_decode(xdr, 8); | |
6040 | if (unlikely(!p)) | |
6041 | goto out_overflow; | |
6042 | } | |
6043 | return 0; | |
6044 | out_overflow: | |
6045 | print_overflow_msg(__func__, xdr); | |
6046 | return -EIO; | |
6047 | } | |
7d974794 BS |
6048 | |
6049 | static int decode_test_stateid(struct xdr_stream *xdr, | |
6050 | struct nfs41_test_stateid_res *res) | |
6051 | { | |
6052 | __be32 *p; | |
6053 | int status; | |
6054 | int num_res; | |
6055 | ||
6056 | status = decode_op_hdr(xdr, OP_TEST_STATEID); | |
6057 | if (status) | |
6058 | return status; | |
6059 | ||
6060 | p = xdr_inline_decode(xdr, 4); | |
6061 | if (unlikely(!p)) | |
6062 | goto out_overflow; | |
6063 | num_res = be32_to_cpup(p++); | |
6064 | if (num_res != 1) | |
6065 | goto out; | |
6066 | ||
6067 | p = xdr_inline_decode(xdr, 4); | |
6068 | if (unlikely(!p)) | |
6069 | goto out_overflow; | |
6070 | res->status = be32_to_cpup(p++); | |
1cab0652 BS |
6071 | |
6072 | return status; | |
7d974794 BS |
6073 | out_overflow: |
6074 | print_overflow_msg(__func__, xdr); | |
6075 | out: | |
6076 | return -EIO; | |
6077 | } | |
9aeda35f BS |
6078 | |
6079 | static int decode_free_stateid(struct xdr_stream *xdr, | |
6080 | struct nfs41_free_stateid_res *res) | |
6081 | { | |
9f79fb48 | 6082 | res->status = decode_op_hdr(xdr, OP_FREE_STATEID); |
9aeda35f | 6083 | return res->status; |
9aeda35f | 6084 | } |
b1f69b75 AA |
6085 | #endif /* CONFIG_NFS_V4_1 */ |
6086 | ||
49c2559e BH |
6087 | /* |
6088 | * END OF "GENERIC" DECODE ROUTINES. | |
6089 | */ | |
6090 | ||
1da177e4 LT |
6091 | /* |
6092 | * Decode OPEN_DOWNGRADE response | |
6093 | */ | |
bf269551 CL |
6094 | static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst *rqstp, |
6095 | struct xdr_stream *xdr, | |
6096 | struct nfs_closeres *res) | |
1da177e4 | 6097 | { |
05d564fe AA |
6098 | struct compound_hdr hdr; |
6099 | int status; | |
6100 | ||
bf269551 | 6101 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6102 | if (status) |
6103 | goto out; | |
bf269551 | 6104 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6105 | if (status) |
6106 | goto out; | |
bf269551 | 6107 | status = decode_putfh(xdr); |
05d564fe AA |
6108 | if (status) |
6109 | goto out; | |
bf269551 | 6110 | status = decode_open_downgrade(xdr, res); |
516a6af6 TM |
6111 | if (status != 0) |
6112 | goto out; | |
6926afd1 | 6113 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 | 6114 | out: |
05d564fe | 6115 | return status; |
1da177e4 LT |
6116 | } |
6117 | ||
1da177e4 LT |
6118 | /* |
6119 | * Decode ACCESS response | |
6120 | */ | |
bf269551 CL |
6121 | static int nfs4_xdr_dec_access(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6122 | struct nfs4_accessres *res) | |
1da177e4 | 6123 | { |
1da177e4 LT |
6124 | struct compound_hdr hdr; |
6125 | int status; | |
6c0195a4 | 6126 | |
bf269551 | 6127 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6128 | if (status) |
6129 | goto out; | |
bf269551 | 6130 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6131 | if (status) |
1da177e4 | 6132 | goto out; |
bf269551 | 6133 | status = decode_putfh(xdr); |
76b32999 TM |
6134 | if (status != 0) |
6135 | goto out; | |
6168f62c | 6136 | status = decode_access(xdr, &res->supported, &res->access); |
76b32999 TM |
6137 | if (status != 0) |
6138 | goto out; | |
6926afd1 | 6139 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6140 | out: |
6141 | return status; | |
6142 | } | |
6143 | ||
6144 | /* | |
6145 | * Decode LOOKUP response | |
6146 | */ | |
bf269551 CL |
6147 | static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6148 | struct nfs4_lookup_res *res) | |
1da177e4 | 6149 | { |
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_putfh(xdr); |
6160 | if (status) | |
1da177e4 | 6161 | goto out; |
bf269551 CL |
6162 | status = decode_lookup(xdr); |
6163 | if (status) | |
1da177e4 | 6164 | goto out; |
bf269551 CL |
6165 | status = decode_getfh(xdr, res->fh); |
6166 | if (status) | |
1da177e4 | 6167 | goto out; |
aa9c2669 | 6168 | status = decode_getfattr_label(xdr, res->fattr, res->label, res->server); |
1da177e4 LT |
6169 | out: |
6170 | return status; | |
6171 | } | |
6172 | ||
6173 | /* | |
6174 | * Decode LOOKUP_ROOT response | |
6175 | */ | |
bf269551 CL |
6176 | static int nfs4_xdr_dec_lookup_root(struct rpc_rqst *rqstp, |
6177 | struct xdr_stream *xdr, | |
6178 | struct nfs4_lookup_res *res) | |
1da177e4 | 6179 | { |
1da177e4 LT |
6180 | struct compound_hdr hdr; |
6181 | int status; | |
6c0195a4 | 6182 | |
bf269551 | 6183 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6184 | if (status) |
6185 | goto out; | |
bf269551 | 6186 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6187 | if (status) |
1da177e4 | 6188 | goto out; |
bf269551 CL |
6189 | status = decode_putrootfh(xdr); |
6190 | if (status) | |
1da177e4 | 6191 | goto out; |
bf269551 CL |
6192 | status = decode_getfh(xdr, res->fh); |
6193 | if (status == 0) | |
aa9c2669 DQ |
6194 | status = decode_getfattr_label(xdr, res->fattr, |
6195 | res->label, res->server); | |
1da177e4 LT |
6196 | out: |
6197 | return status; | |
6198 | } | |
6199 | ||
6200 | /* | |
6201 | * Decode REMOVE response | |
6202 | */ | |
bf269551 CL |
6203 | static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6204 | struct nfs_removeres *res) | |
1da177e4 | 6205 | { |
1da177e4 LT |
6206 | struct compound_hdr hdr; |
6207 | int status; | |
6c0195a4 | 6208 | |
bf269551 | 6209 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6210 | if (status) |
6211 | goto out; | |
bf269551 | 6212 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6213 | if (status) |
1da177e4 | 6214 | goto out; |
bf269551 CL |
6215 | status = decode_putfh(xdr); |
6216 | if (status) | |
16e42959 | 6217 | goto out; |
bf269551 | 6218 | status = decode_remove(xdr, &res->cinfo); |
1da177e4 LT |
6219 | out: |
6220 | return status; | |
6221 | } | |
6222 | ||
6223 | /* | |
6224 | * Decode RENAME response | |
6225 | */ | |
bf269551 CL |
6226 | static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6227 | struct nfs_renameres *res) | |
1da177e4 | 6228 | { |
1da177e4 LT |
6229 | struct compound_hdr hdr; |
6230 | int status; | |
6c0195a4 | 6231 | |
bf269551 | 6232 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6233 | if (status) |
6234 | goto out; | |
bf269551 | 6235 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6236 | if (status) |
1da177e4 | 6237 | goto out; |
bf269551 CL |
6238 | status = decode_putfh(xdr); |
6239 | if (status) | |
1da177e4 | 6240 | goto out; |
bf269551 CL |
6241 | status = decode_savefh(xdr); |
6242 | if (status) | |
1da177e4 | 6243 | goto out; |
bf269551 CL |
6244 | status = decode_putfh(xdr); |
6245 | if (status) | |
1da177e4 | 6246 | goto out; |
bf269551 | 6247 | status = decode_rename(xdr, &res->old_cinfo, &res->new_cinfo); |
1da177e4 LT |
6248 | out: |
6249 | return status; | |
6250 | } | |
6251 | ||
6252 | /* | |
6253 | * Decode LINK response | |
6254 | */ | |
bf269551 CL |
6255 | static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6256 | struct nfs4_link_res *res) | |
1da177e4 | 6257 | { |
1da177e4 LT |
6258 | struct compound_hdr hdr; |
6259 | int status; | |
6c0195a4 | 6260 | |
bf269551 | 6261 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6262 | if (status) |
6263 | goto out; | |
bf269551 | 6264 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6265 | if (status) |
1da177e4 | 6266 | goto out; |
bf269551 CL |
6267 | status = decode_putfh(xdr); |
6268 | if (status) | |
1da177e4 | 6269 | goto out; |
bf269551 CL |
6270 | status = decode_savefh(xdr); |
6271 | if (status) | |
1da177e4 | 6272 | goto out; |
bf269551 CL |
6273 | status = decode_putfh(xdr); |
6274 | if (status) | |
1da177e4 | 6275 | goto out; |
bf269551 CL |
6276 | status = decode_link(xdr, &res->cinfo); |
6277 | if (status) | |
91ba2eee TM |
6278 | goto out; |
6279 | /* | |
6280 | * Note order: OP_LINK leaves the directory as the current | |
6281 | * filehandle. | |
6282 | */ | |
bf269551 CL |
6283 | status = decode_restorefh(xdr); |
6284 | if (status) | |
91ba2eee | 6285 | goto out; |
aa9c2669 | 6286 | decode_getfattr_label(xdr, res->fattr, res->label, res->server); |
1da177e4 LT |
6287 | out: |
6288 | return status; | |
6289 | } | |
6290 | ||
6291 | /* | |
6292 | * Decode CREATE response | |
6293 | */ | |
bf269551 CL |
6294 | static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6295 | struct nfs4_create_res *res) | |
1da177e4 | 6296 | { |
1da177e4 LT |
6297 | struct compound_hdr hdr; |
6298 | int status; | |
6c0195a4 | 6299 | |
bf269551 | 6300 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6301 | if (status) |
6302 | goto out; | |
bf269551 | 6303 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6304 | if (status) |
1da177e4 | 6305 | goto out; |
bf269551 | 6306 | status = decode_putfh(xdr); |
bf269551 | 6307 | if (status) |
56ae19f3 | 6308 | goto out; |
bf269551 CL |
6309 | status = decode_create(xdr, &res->dir_cinfo); |
6310 | if (status) | |
1da177e4 | 6311 | goto out; |
bf269551 CL |
6312 | status = decode_getfh(xdr, res->fh); |
6313 | if (status) | |
1da177e4 | 6314 | goto out; |
aa9c2669 | 6315 | decode_getfattr_label(xdr, res->fattr, res->label, res->server); |
1da177e4 LT |
6316 | out: |
6317 | return status; | |
6318 | } | |
6319 | ||
6320 | /* | |
6321 | * Decode SYMLINK response | |
6322 | */ | |
bf269551 CL |
6323 | static int nfs4_xdr_dec_symlink(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6324 | struct nfs4_create_res *res) | |
1da177e4 | 6325 | { |
bf269551 | 6326 | return nfs4_xdr_dec_create(rqstp, xdr, res); |
1da177e4 LT |
6327 | } |
6328 | ||
6329 | /* | |
6330 | * Decode GETATTR response | |
6331 | */ | |
bf269551 CL |
6332 | static int nfs4_xdr_dec_getattr(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6333 | struct nfs4_getattr_res *res) | |
1da177e4 | 6334 | { |
1da177e4 LT |
6335 | struct compound_hdr hdr; |
6336 | int status; | |
6c0195a4 | 6337 | |
bf269551 | 6338 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6339 | if (status) |
6340 | goto out; | |
bf269551 | 6341 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6342 | if (status) |
6343 | goto out; | |
bf269551 | 6344 | status = decode_putfh(xdr); |
1da177e4 LT |
6345 | if (status) |
6346 | goto out; | |
aa9c2669 | 6347 | status = decode_getfattr_label(xdr, res->fattr, res->label, res->server); |
1da177e4 LT |
6348 | out: |
6349 | return status; | |
1da177e4 LT |
6350 | } |
6351 | ||
23ec6965 BF |
6352 | /* |
6353 | * Encode an SETACL request | |
6354 | */ | |
9f06c719 CL |
6355 | static void nfs4_xdr_enc_setacl(struct rpc_rqst *req, struct xdr_stream *xdr, |
6356 | struct nfs_setaclargs *args) | |
23ec6965 | 6357 | { |
05d564fe | 6358 | struct compound_hdr hdr = { |
66cc0429 | 6359 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 6360 | }; |
05d564fe | 6361 | |
9f06c719 CL |
6362 | encode_compound_hdr(xdr, req, &hdr); |
6363 | encode_sequence(xdr, &args->seq_args, &hdr); | |
6364 | encode_putfh(xdr, args->fh, &hdr); | |
6365 | encode_setacl(xdr, args, &hdr); | |
d017931c | 6366 | encode_nops(&hdr); |
23ec6965 | 6367 | } |
05d564fe | 6368 | |
23ec6965 BF |
6369 | /* |
6370 | * Decode SETACL response | |
6371 | */ | |
6372 | static int | |
bf269551 | 6373 | nfs4_xdr_dec_setacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
73c403a9 | 6374 | struct nfs_setaclres *res) |
23ec6965 | 6375 | { |
23ec6965 BF |
6376 | struct compound_hdr hdr; |
6377 | int status; | |
6378 | ||
bf269551 | 6379 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6380 | if (status) |
6381 | goto out; | |
bf269551 | 6382 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
23ec6965 BF |
6383 | if (status) |
6384 | goto out; | |
bf269551 | 6385 | status = decode_putfh(xdr); |
23ec6965 BF |
6386 | if (status) |
6387 | goto out; | |
bf269551 | 6388 | status = decode_setattr(xdr); |
23ec6965 BF |
6389 | out: |
6390 | return status; | |
6391 | } | |
1da177e4 | 6392 | |
029d105e BF |
6393 | /* |
6394 | * Decode GETACL response | |
6395 | */ | |
6396 | static int | |
bf269551 | 6397 | nfs4_xdr_dec_getacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
663c79b3 | 6398 | struct nfs_getaclres *res) |
029d105e | 6399 | { |
029d105e BF |
6400 | struct compound_hdr hdr; |
6401 | int status; | |
6402 | ||
331818f1 TM |
6403 | if (res->acl_scratch != NULL) { |
6404 | void *p = page_address(res->acl_scratch); | |
6405 | xdr_set_scratch_buffer(xdr, p, PAGE_SIZE); | |
6406 | } | |
bf269551 | 6407 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6408 | if (status) |
6409 | goto out; | |
bf269551 | 6410 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
029d105e BF |
6411 | if (status) |
6412 | goto out; | |
bf269551 | 6413 | status = decode_putfh(xdr); |
029d105e BF |
6414 | if (status) |
6415 | goto out; | |
bf118a34 | 6416 | status = decode_getacl(xdr, rqstp, res); |
029d105e BF |
6417 | |
6418 | out: | |
6419 | return status; | |
6420 | } | |
6421 | ||
1da177e4 LT |
6422 | /* |
6423 | * Decode CLOSE response | |
6424 | */ | |
bf269551 CL |
6425 | static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6426 | struct nfs_closeres *res) | |
1da177e4 | 6427 | { |
05d564fe AA |
6428 | struct compound_hdr hdr; |
6429 | int status; | |
6430 | ||
bf269551 | 6431 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6432 | if (status) |
6433 | goto out; | |
bf269551 | 6434 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6435 | if (status) |
6436 | goto out; | |
bf269551 | 6437 | status = decode_putfh(xdr); |
05d564fe AA |
6438 | if (status) |
6439 | goto out; | |
bf269551 | 6440 | status = decode_close(xdr, res); |
516a6af6 TM |
6441 | if (status != 0) |
6442 | goto out; | |
6443 | /* | |
6444 | * Note: Server may do delete on close for this file | |
6445 | * in which case the getattr call will fail with | |
6446 | * an ESTALE error. Shouldn't be a problem, | |
6447 | * though, since fattr->valid will remain unset. | |
6448 | */ | |
6926afd1 | 6449 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 | 6450 | out: |
05d564fe | 6451 | return status; |
1da177e4 LT |
6452 | } |
6453 | ||
6454 | /* | |
6455 | * Decode OPEN response | |
6456 | */ | |
bf269551 CL |
6457 | static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6458 | struct nfs_openres *res) | |
1da177e4 | 6459 | { |
05d564fe AA |
6460 | struct compound_hdr hdr; |
6461 | int status; | |
6462 | ||
bf269551 | 6463 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6464 | if (status) |
6465 | goto out; | |
bf269551 | 6466 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6467 | if (status) |
6468 | goto out; | |
bf269551 | 6469 | status = decode_putfh(xdr); |
05d564fe AA |
6470 | if (status) |
6471 | goto out; | |
bf269551 | 6472 | status = decode_open(xdr, res); |
56ae19f3 TM |
6473 | if (status) |
6474 | goto out; | |
01913b49 WAA |
6475 | status = decode_getfh(xdr, &res->fh); |
6476 | if (status) | |
1da177e4 | 6477 | goto out; |
ae2bb032 WAA |
6478 | if (res->access_request) |
6479 | decode_access(xdr, &res->access_supported, &res->access_result); | |
aa9c2669 | 6480 | decode_getfattr_label(xdr, res->f_attr, res->f_label, res->server); |
1da177e4 | 6481 | out: |
05d564fe | 6482 | return status; |
1da177e4 LT |
6483 | } |
6484 | ||
6485 | /* | |
6486 | * Decode OPEN_CONFIRM response | |
6487 | */ | |
bf269551 CL |
6488 | static int nfs4_xdr_dec_open_confirm(struct rpc_rqst *rqstp, |
6489 | struct xdr_stream *xdr, | |
6490 | struct nfs_open_confirmres *res) | |
1da177e4 | 6491 | { |
05d564fe AA |
6492 | struct compound_hdr hdr; |
6493 | int status; | |
6494 | ||
bf269551 | 6495 | status = decode_compound_hdr(xdr, &hdr); |
05d564fe AA |
6496 | if (status) |
6497 | goto out; | |
bf269551 | 6498 | status = decode_putfh(xdr); |
05d564fe AA |
6499 | if (status) |
6500 | goto out; | |
bf269551 | 6501 | status = decode_open_confirm(xdr, res); |
1da177e4 | 6502 | out: |
05d564fe | 6503 | return status; |
1da177e4 LT |
6504 | } |
6505 | ||
6506 | /* | |
6507 | * Decode OPEN response | |
6508 | */ | |
bf269551 CL |
6509 | static int nfs4_xdr_dec_open_noattr(struct rpc_rqst *rqstp, |
6510 | struct xdr_stream *xdr, | |
6511 | struct nfs_openres *res) | |
1da177e4 | 6512 | { |
05d564fe AA |
6513 | struct compound_hdr hdr; |
6514 | int status; | |
6515 | ||
bf269551 | 6516 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6517 | if (status) |
6518 | goto out; | |
bf269551 | 6519 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6520 | if (status) |
6521 | goto out; | |
bf269551 | 6522 | status = decode_putfh(xdr); |
05d564fe AA |
6523 | if (status) |
6524 | goto out; | |
bf269551 | 6525 | status = decode_open(xdr, res); |
05d564fe AA |
6526 | if (status) |
6527 | goto out; | |
ae2bb032 WAA |
6528 | if (res->access_request) |
6529 | decode_access(xdr, &res->access_supported, &res->access_result); | |
6926afd1 | 6530 | decode_getfattr(xdr, res->f_attr, res->server); |
1da177e4 | 6531 | out: |
05d564fe | 6532 | return status; |
1da177e4 LT |
6533 | } |
6534 | ||
6535 | /* | |
6536 | * Decode SETATTR response | |
6537 | */ | |
bf269551 CL |
6538 | static int nfs4_xdr_dec_setattr(struct rpc_rqst *rqstp, |
6539 | struct xdr_stream *xdr, | |
6540 | struct nfs_setattrres *res) | |
1da177e4 | 6541 | { |
05d564fe AA |
6542 | struct compound_hdr hdr; |
6543 | int status; | |
6544 | ||
bf269551 | 6545 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6546 | if (status) |
6547 | goto out; | |
bf269551 | 6548 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6549 | if (status) |
6550 | goto out; | |
bf269551 | 6551 | status = decode_putfh(xdr); |
05d564fe AA |
6552 | if (status) |
6553 | goto out; | |
bf269551 | 6554 | status = decode_setattr(xdr); |
05d564fe AA |
6555 | if (status) |
6556 | goto out; | |
aa9c2669 | 6557 | decode_getfattr_label(xdr, res->fattr, res->label, res->server); |
1da177e4 | 6558 | out: |
05d564fe | 6559 | return status; |
1da177e4 LT |
6560 | } |
6561 | ||
6562 | /* | |
6563 | * Decode LOCK response | |
6564 | */ | |
bf269551 CL |
6565 | static int nfs4_xdr_dec_lock(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6566 | struct nfs_lock_res *res) | |
1da177e4 | 6567 | { |
1da177e4 LT |
6568 | struct compound_hdr hdr; |
6569 | int status; | |
6570 | ||
bf269551 | 6571 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6572 | if (status) |
6573 | goto out; | |
bf269551 | 6574 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6575 | if (status) |
6576 | goto out; | |
bf269551 | 6577 | status = decode_putfh(xdr); |
1da177e4 LT |
6578 | if (status) |
6579 | goto out; | |
bf269551 | 6580 | status = decode_lock(xdr, res); |
1da177e4 LT |
6581 | out: |
6582 | return status; | |
6583 | } | |
6584 | ||
6585 | /* | |
6586 | * Decode LOCKT response | |
6587 | */ | |
bf269551 CL |
6588 | static int nfs4_xdr_dec_lockt(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6589 | struct nfs_lockt_res *res) | |
1da177e4 | 6590 | { |
1da177e4 LT |
6591 | struct compound_hdr hdr; |
6592 | int status; | |
6593 | ||
bf269551 | 6594 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6595 | if (status) |
6596 | goto out; | |
bf269551 | 6597 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6598 | if (status) |
6599 | goto out; | |
bf269551 | 6600 | status = decode_putfh(xdr); |
1da177e4 LT |
6601 | if (status) |
6602 | goto out; | |
bf269551 | 6603 | status = decode_lockt(xdr, res); |
1da177e4 LT |
6604 | out: |
6605 | return status; | |
6606 | } | |
6607 | ||
6608 | /* | |
6609 | * Decode LOCKU response | |
6610 | */ | |
bf269551 CL |
6611 | static int nfs4_xdr_dec_locku(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6612 | struct nfs_locku_res *res) | |
1da177e4 | 6613 | { |
1da177e4 LT |
6614 | struct compound_hdr hdr; |
6615 | int status; | |
6616 | ||
bf269551 | 6617 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6618 | if (status) |
6619 | goto out; | |
bf269551 | 6620 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6621 | if (status) |
6622 | goto out; | |
bf269551 | 6623 | status = decode_putfh(xdr); |
1da177e4 LT |
6624 | if (status) |
6625 | goto out; | |
bf269551 | 6626 | status = decode_locku(xdr, res); |
1da177e4 LT |
6627 | out: |
6628 | return status; | |
6629 | } | |
6630 | ||
bf269551 CL |
6631 | static int nfs4_xdr_dec_release_lockowner(struct rpc_rqst *rqstp, |
6632 | struct xdr_stream *xdr, void *dummy) | |
d3c7b7cc | 6633 | { |
d3c7b7cc TM |
6634 | struct compound_hdr hdr; |
6635 | int status; | |
6636 | ||
bf269551 | 6637 | status = decode_compound_hdr(xdr, &hdr); |
d3c7b7cc | 6638 | if (!status) |
bf269551 | 6639 | status = decode_release_lockowner(xdr); |
d3c7b7cc TM |
6640 | return status; |
6641 | } | |
6642 | ||
1da177e4 LT |
6643 | /* |
6644 | * Decode READLINK response | |
6645 | */ | |
bf269551 CL |
6646 | static int nfs4_xdr_dec_readlink(struct rpc_rqst *rqstp, |
6647 | struct xdr_stream *xdr, | |
f50c7000 | 6648 | struct nfs4_readlink_res *res) |
1da177e4 | 6649 | { |
1da177e4 LT |
6650 | struct compound_hdr hdr; |
6651 | int status; | |
6652 | ||
bf269551 | 6653 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6654 | if (status) |
6655 | goto out; | |
bf269551 | 6656 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6657 | if (status) |
6658 | goto out; | |
bf269551 | 6659 | status = decode_putfh(xdr); |
1da177e4 LT |
6660 | if (status) |
6661 | goto out; | |
bf269551 | 6662 | status = decode_readlink(xdr, rqstp); |
1da177e4 LT |
6663 | out: |
6664 | return status; | |
6665 | } | |
6666 | ||
6667 | /* | |
6668 | * Decode READDIR response | |
6669 | */ | |
bf269551 CL |
6670 | static int nfs4_xdr_dec_readdir(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6671 | struct nfs4_readdir_res *res) | |
1da177e4 | 6672 | { |
1da177e4 LT |
6673 | struct compound_hdr hdr; |
6674 | int status; | |
6675 | ||
bf269551 | 6676 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6677 | if (status) |
6678 | goto out; | |
bf269551 | 6679 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6680 | if (status) |
6681 | goto out; | |
bf269551 | 6682 | status = decode_putfh(xdr); |
1da177e4 LT |
6683 | if (status) |
6684 | goto out; | |
bf269551 | 6685 | status = decode_readdir(xdr, rqstp, res); |
1da177e4 LT |
6686 | out: |
6687 | return status; | |
6688 | } | |
6689 | ||
6690 | /* | |
6691 | * Decode Read response | |
6692 | */ | |
bf269551 | 6693 | static int nfs4_xdr_dec_read(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
9137bdf3 | 6694 | struct nfs_pgio_res *res) |
1da177e4 | 6695 | { |
1da177e4 LT |
6696 | struct compound_hdr hdr; |
6697 | int status; | |
6698 | ||
bf269551 | 6699 | status = decode_compound_hdr(xdr, &hdr); |
aabff4dd | 6700 | res->op_status = hdr.status; |
9b7b9fcc AA |
6701 | if (status) |
6702 | goto out; | |
bf269551 | 6703 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6704 | if (status) |
6705 | goto out; | |
bf269551 | 6706 | status = decode_putfh(xdr); |
1da177e4 LT |
6707 | if (status) |
6708 | goto out; | |
bf269551 | 6709 | status = decode_read(xdr, rqstp, res); |
1da177e4 LT |
6710 | if (!status) |
6711 | status = res->count; | |
6712 | out: | |
6713 | return status; | |
6714 | } | |
6715 | ||
6716 | /* | |
6717 | * Decode WRITE response | |
6718 | */ | |
bf269551 | 6719 | static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
9137bdf3 | 6720 | struct nfs_pgio_res *res) |
1da177e4 | 6721 | { |
1da177e4 LT |
6722 | struct compound_hdr hdr; |
6723 | int status; | |
6724 | ||
bf269551 | 6725 | status = decode_compound_hdr(xdr, &hdr); |
aabff4dd | 6726 | res->op_status = hdr.status; |
9b7b9fcc AA |
6727 | if (status) |
6728 | goto out; | |
bf269551 | 6729 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6730 | if (status) |
6731 | goto out; | |
bf269551 | 6732 | status = decode_putfh(xdr); |
1da177e4 LT |
6733 | if (status) |
6734 | goto out; | |
bf269551 | 6735 | status = decode_write(xdr, res); |
4f9838c7 TM |
6736 | if (status) |
6737 | goto out; | |
7ffd1064 | 6738 | if (res->fattr) |
6926afd1 | 6739 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6740 | if (!status) |
6741 | status = res->count; | |
6742 | out: | |
6743 | return status; | |
6744 | } | |
6745 | ||
6746 | /* | |
6747 | * Decode COMMIT response | |
6748 | */ | |
bf269551 | 6749 | static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
0b7c0153 | 6750 | struct nfs_commitres *res) |
1da177e4 | 6751 | { |
1da177e4 LT |
6752 | struct compound_hdr hdr; |
6753 | int status; | |
6754 | ||
bf269551 | 6755 | status = decode_compound_hdr(xdr, &hdr); |
aabff4dd | 6756 | res->op_status = hdr.status; |
9b7b9fcc AA |
6757 | if (status) |
6758 | goto out; | |
bf269551 | 6759 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6760 | if (status) |
6761 | goto out; | |
bf269551 | 6762 | status = decode_putfh(xdr); |
1da177e4 LT |
6763 | if (status) |
6764 | goto out; | |
bf269551 | 6765 | status = decode_commit(xdr, res); |
1da177e4 LT |
6766 | out: |
6767 | return status; | |
6768 | } | |
6769 | ||
6770 | /* | |
8b173218 | 6771 | * Decode FSINFO response |
1da177e4 | 6772 | */ |
bf269551 | 6773 | static int nfs4_xdr_dec_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, |
3dda5e43 | 6774 | struct nfs4_fsinfo_res *res) |
1da177e4 | 6775 | { |
1da177e4 LT |
6776 | struct compound_hdr hdr; |
6777 | int status; | |
6778 | ||
bf269551 | 6779 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6780 | if (!status) |
bf269551 | 6781 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6782 | if (!status) |
bf269551 | 6783 | status = decode_putfh(xdr); |
1da177e4 | 6784 | if (!status) |
bf269551 | 6785 | status = decode_fsinfo(xdr, res->fsinfo); |
1da177e4 LT |
6786 | return status; |
6787 | } | |
6788 | ||
6789 | /* | |
8b173218 | 6790 | * Decode PATHCONF response |
1da177e4 | 6791 | */ |
bf269551 | 6792 | static int nfs4_xdr_dec_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, |
d45b2989 | 6793 | struct nfs4_pathconf_res *res) |
1da177e4 | 6794 | { |
1da177e4 LT |
6795 | struct compound_hdr hdr; |
6796 | int status; | |
6797 | ||
bf269551 | 6798 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6799 | if (!status) |
bf269551 | 6800 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6801 | if (!status) |
bf269551 | 6802 | status = decode_putfh(xdr); |
1da177e4 | 6803 | if (!status) |
bf269551 | 6804 | status = decode_pathconf(xdr, res->pathconf); |
1da177e4 LT |
6805 | return status; |
6806 | } | |
6807 | ||
6808 | /* | |
8b173218 | 6809 | * Decode STATFS response |
1da177e4 | 6810 | */ |
bf269551 | 6811 | static int nfs4_xdr_dec_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, |
24ad148a | 6812 | struct nfs4_statfs_res *res) |
1da177e4 | 6813 | { |
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, | |
6832 | struct nfs4_server_caps_res *res) | |
1da177e4 | 6833 | { |
1da177e4 LT |
6834 | struct compound_hdr hdr; |
6835 | int status; | |
6836 | ||
bf269551 | 6837 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6838 | if (status) |
6839 | goto out; | |
bf269551 | 6840 | status = decode_sequence(xdr, &res->seq_res, req); |
9b7b9fcc | 6841 | if (status) |
1da177e4 | 6842 | goto out; |
bf269551 CL |
6843 | status = decode_putfh(xdr); |
6844 | if (status) | |
1da177e4 | 6845 | goto out; |
bf269551 | 6846 | status = decode_server_caps(xdr, res); |
1da177e4 LT |
6847 | out: |
6848 | return status; | |
6849 | } | |
6850 | ||
6851 | /* | |
6852 | * Decode RENEW response | |
6853 | */ | |
bf269551 CL |
6854 | static int nfs4_xdr_dec_renew(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6855 | void *__unused) | |
1da177e4 | 6856 | { |
1da177e4 LT |
6857 | struct compound_hdr hdr; |
6858 | int status; | |
6859 | ||
bf269551 | 6860 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6861 | if (!status) |
bf269551 | 6862 | status = decode_renew(xdr); |
1da177e4 LT |
6863 | return status; |
6864 | } | |
6865 | ||
6866 | /* | |
8b173218 | 6867 | * Decode SETCLIENTID response |
1da177e4 | 6868 | */ |
bf269551 CL |
6869 | static int nfs4_xdr_dec_setclientid(struct rpc_rqst *req, |
6870 | struct xdr_stream *xdr, | |
6871 | struct nfs4_setclientid_res *res) | |
1da177e4 | 6872 | { |
1da177e4 LT |
6873 | struct compound_hdr hdr; |
6874 | int status; | |
6875 | ||
bf269551 | 6876 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6877 | if (!status) |
bf269551 | 6878 | status = decode_setclientid(xdr, res); |
1da177e4 LT |
6879 | return status; |
6880 | } | |
6881 | ||
6882 | /* | |
8b173218 | 6883 | * Decode SETCLIENTID_CONFIRM response |
1da177e4 | 6884 | */ |
bf269551 | 6885 | static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst *req, |
83ca7f5a | 6886 | struct xdr_stream *xdr) |
1da177e4 | 6887 | { |
1da177e4 LT |
6888 | struct compound_hdr hdr; |
6889 | int status; | |
6890 | ||
bf269551 | 6891 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6892 | if (!status) |
bf269551 | 6893 | status = decode_setclientid_confirm(xdr); |
1da177e4 LT |
6894 | return status; |
6895 | } | |
6896 | ||
6897 | /* | |
8b173218 | 6898 | * Decode DELEGRETURN response |
1da177e4 | 6899 | */ |
bf269551 CL |
6900 | static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, |
6901 | struct xdr_stream *xdr, | |
6902 | struct nfs4_delegreturnres *res) | |
1da177e4 | 6903 | { |
1da177e4 LT |
6904 | struct compound_hdr hdr; |
6905 | int status; | |
6906 | ||
bf269551 | 6907 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6908 | if (status) |
6909 | goto out; | |
bf269551 | 6910 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6911 | if (status) |
fa178f29 | 6912 | goto out; |
bf269551 | 6913 | status = decode_putfh(xdr); |
fa178f29 TM |
6914 | if (status != 0) |
6915 | goto out; | |
e144cbcc | 6916 | status = decode_getfattr(xdr, res->fattr, res->server); |
556ae3bb JL |
6917 | if (status != 0) |
6918 | goto out; | |
e144cbcc | 6919 | status = decode_delegreturn(xdr); |
fa178f29 | 6920 | out: |
1da177e4 LT |
6921 | return status; |
6922 | } | |
6923 | ||
683b57b4 | 6924 | /* |
8b173218 | 6925 | * Decode FS_LOCATIONS response |
683b57b4 | 6926 | */ |
bf269551 CL |
6927 | static int nfs4_xdr_dec_fs_locations(struct rpc_rqst *req, |
6928 | struct xdr_stream *xdr, | |
22958463 | 6929 | struct nfs4_fs_locations_res *res) |
683b57b4 | 6930 | { |
683b57b4 TM |
6931 | struct compound_hdr hdr; |
6932 | int status; | |
6933 | ||
bf269551 | 6934 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6935 | if (status) |
6936 | goto out; | |
bf269551 | 6937 | status = decode_sequence(xdr, &res->seq_res, req); |
9b7b9fcc | 6938 | if (status) |
683b57b4 | 6939 | goto out; |
bf269551 CL |
6940 | status = decode_putfh(xdr); |
6941 | if (status) | |
683b57b4 | 6942 | goto out; |
b03d735b CL |
6943 | if (res->migration) { |
6944 | xdr_enter_page(xdr, PAGE_SIZE); | |
6945 | status = decode_getfattr_generic(xdr, | |
6946 | &res->fs_locations->fattr, | |
8b7e3f49 | 6947 | NULL, res->fs_locations, |
aa9c2669 | 6948 | NULL, res->fs_locations->server); |
b03d735b CL |
6949 | if (status) |
6950 | goto out; | |
6951 | if (res->renew) | |
6952 | status = decode_renew(xdr); | |
6953 | } else { | |
6954 | status = decode_lookup(xdr); | |
6955 | if (status) | |
6956 | goto out; | |
6957 | xdr_enter_page(xdr, PAGE_SIZE); | |
6958 | status = decode_getfattr_generic(xdr, | |
6959 | &res->fs_locations->fattr, | |
6960 | NULL, res->fs_locations, | |
6961 | NULL, res->fs_locations->server); | |
6962 | } | |
683b57b4 TM |
6963 | out: |
6964 | return status; | |
6965 | } | |
6966 | ||
5a5ea0d4 BS |
6967 | /* |
6968 | * Decode SECINFO response | |
6969 | */ | |
6970 | static int nfs4_xdr_dec_secinfo(struct rpc_rqst *rqstp, | |
6971 | struct xdr_stream *xdr, | |
6972 | struct nfs4_secinfo_res *res) | |
6973 | { | |
6974 | struct compound_hdr hdr; | |
6975 | int status; | |
6976 | ||
6977 | status = decode_compound_hdr(xdr, &hdr); | |
6978 | if (status) | |
6979 | goto out; | |
6980 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6981 | if (status) | |
6982 | goto out; | |
6983 | status = decode_putfh(xdr); | |
6984 | if (status) | |
6985 | goto out; | |
6986 | status = decode_secinfo(xdr, res); | |
5a5ea0d4 BS |
6987 | out: |
6988 | return status; | |
6989 | } | |
6990 | ||
44c99933 CL |
6991 | /* |
6992 | * Decode FSID_PRESENT response | |
6993 | */ | |
6994 | static int nfs4_xdr_dec_fsid_present(struct rpc_rqst *rqstp, | |
6995 | struct xdr_stream *xdr, | |
6996 | struct nfs4_fsid_present_res *res) | |
6997 | { | |
6998 | struct compound_hdr hdr; | |
6999 | int status; | |
7000 | ||
7001 | status = decode_compound_hdr(xdr, &hdr); | |
7002 | if (status) | |
7003 | goto out; | |
7004 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7005 | if (status) | |
7006 | goto out; | |
7007 | status = decode_putfh(xdr); | |
7008 | if (status) | |
7009 | goto out; | |
7010 | status = decode_getfh(xdr, res->fh); | |
7011 | if (status) | |
7012 | goto out; | |
7013 | if (res->renew) | |
7014 | status = decode_renew(xdr); | |
7015 | out: | |
7016 | return status; | |
7017 | } | |
7018 | ||
99fe60d0 | 7019 | #if defined(CONFIG_NFS_V4_1) |
7c44f1ae WAA |
7020 | /* |
7021 | * Decode BIND_CONN_TO_SESSION response | |
7022 | */ | |
7023 | static int nfs4_xdr_dec_bind_conn_to_session(struct rpc_rqst *rqstp, | |
7024 | struct xdr_stream *xdr, | |
7025 | void *res) | |
7026 | { | |
7027 | struct compound_hdr hdr; | |
7028 | int status; | |
7029 | ||
7030 | status = decode_compound_hdr(xdr, &hdr); | |
7031 | if (!status) | |
7032 | status = decode_bind_conn_to_session(xdr, res); | |
7033 | return status; | |
7034 | } | |
7035 | ||
99fe60d0 | 7036 | /* |
8b173218 | 7037 | * Decode EXCHANGE_ID response |
99fe60d0 | 7038 | */ |
bf269551 CL |
7039 | static int nfs4_xdr_dec_exchange_id(struct rpc_rqst *rqstp, |
7040 | struct xdr_stream *xdr, | |
99fe60d0 BH |
7041 | void *res) |
7042 | { | |
99fe60d0 BH |
7043 | struct compound_hdr hdr; |
7044 | int status; | |
7045 | ||
bf269551 | 7046 | status = decode_compound_hdr(xdr, &hdr); |
99fe60d0 | 7047 | if (!status) |
bf269551 | 7048 | status = decode_exchange_id(xdr, res); |
99fe60d0 BH |
7049 | return status; |
7050 | } | |
2050f0cc | 7051 | |
fc931582 | 7052 | /* |
8b173218 | 7053 | * Decode CREATE_SESSION response |
fc931582 | 7054 | */ |
bf269551 CL |
7055 | static int nfs4_xdr_dec_create_session(struct rpc_rqst *rqstp, |
7056 | struct xdr_stream *xdr, | |
fc931582 AA |
7057 | struct nfs41_create_session_res *res) |
7058 | { | |
fc931582 AA |
7059 | struct compound_hdr hdr; |
7060 | int status; | |
7061 | ||
bf269551 | 7062 | status = decode_compound_hdr(xdr, &hdr); |
fc931582 | 7063 | if (!status) |
bf269551 | 7064 | status = decode_create_session(xdr, res); |
fc931582 AA |
7065 | return status; |
7066 | } | |
7067 | ||
0f3e66c6 | 7068 | /* |
8b173218 | 7069 | * Decode DESTROY_SESSION response |
0f3e66c6 | 7070 | */ |
bf269551 CL |
7071 | static int nfs4_xdr_dec_destroy_session(struct rpc_rqst *rqstp, |
7072 | struct xdr_stream *xdr, | |
7073 | void *res) | |
0f3e66c6 | 7074 | { |
0f3e66c6 AA |
7075 | struct compound_hdr hdr; |
7076 | int status; | |
7077 | ||
bf269551 | 7078 | status = decode_compound_hdr(xdr, &hdr); |
0f3e66c6 | 7079 | if (!status) |
bf269551 | 7080 | status = decode_destroy_session(xdr, res); |
0f3e66c6 AA |
7081 | return status; |
7082 | } | |
7083 | ||
66245539 TM |
7084 | /* |
7085 | * Decode DESTROY_CLIENTID response | |
7086 | */ | |
7087 | static int nfs4_xdr_dec_destroy_clientid(struct rpc_rqst *rqstp, | |
7088 | struct xdr_stream *xdr, | |
7089 | void *res) | |
7090 | { | |
7091 | struct compound_hdr hdr; | |
7092 | int status; | |
7093 | ||
7094 | status = decode_compound_hdr(xdr, &hdr); | |
7095 | if (!status) | |
7096 | status = decode_destroy_clientid(xdr, res); | |
7097 | return status; | |
7098 | } | |
7099 | ||
fc01cea9 | 7100 | /* |
8b173218 | 7101 | * Decode SEQUENCE response |
fc01cea9 | 7102 | */ |
bf269551 CL |
7103 | static int nfs4_xdr_dec_sequence(struct rpc_rqst *rqstp, |
7104 | struct xdr_stream *xdr, | |
fc01cea9 AA |
7105 | struct nfs4_sequence_res *res) |
7106 | { | |
fc01cea9 AA |
7107 | struct compound_hdr hdr; |
7108 | int status; | |
7109 | ||
bf269551 | 7110 | status = decode_compound_hdr(xdr, &hdr); |
fc01cea9 | 7111 | if (!status) |
bf269551 | 7112 | status = decode_sequence(xdr, res, rqstp); |
fc01cea9 AA |
7113 | return status; |
7114 | } | |
7115 | ||
2050f0cc | 7116 | /* |
8b173218 | 7117 | * Decode GET_LEASE_TIME response |
2050f0cc | 7118 | */ |
bf269551 CL |
7119 | static int nfs4_xdr_dec_get_lease_time(struct rpc_rqst *rqstp, |
7120 | struct xdr_stream *xdr, | |
2050f0cc AA |
7121 | struct nfs4_get_lease_time_res *res) |
7122 | { | |
2050f0cc AA |
7123 | struct compound_hdr hdr; |
7124 | int status; | |
7125 | ||
bf269551 | 7126 | status = decode_compound_hdr(xdr, &hdr); |
2050f0cc | 7127 | if (!status) |
bf269551 | 7128 | status = decode_sequence(xdr, &res->lr_seq_res, rqstp); |
2050f0cc | 7129 | if (!status) |
bf269551 | 7130 | status = decode_putrootfh(xdr); |
2050f0cc | 7131 | if (!status) |
bf269551 | 7132 | status = decode_fsinfo(xdr, res->lr_fsinfo); |
2050f0cc AA |
7133 | return status; |
7134 | } | |
18019753 RL |
7135 | |
7136 | /* | |
7137 | * Decode RECLAIM_COMPLETE response | |
7138 | */ | |
bf269551 CL |
7139 | static int nfs4_xdr_dec_reclaim_complete(struct rpc_rqst *rqstp, |
7140 | struct xdr_stream *xdr, | |
18019753 RL |
7141 | struct nfs41_reclaim_complete_res *res) |
7142 | { | |
18019753 RL |
7143 | struct compound_hdr hdr; |
7144 | int status; | |
7145 | ||
bf269551 | 7146 | status = decode_compound_hdr(xdr, &hdr); |
18019753 | 7147 | if (!status) |
bf269551 | 7148 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
18019753 | 7149 | if (!status) |
8ee2b78a | 7150 | status = decode_reclaim_complete(xdr, NULL); |
18019753 RL |
7151 | return status; |
7152 | } | |
b1f69b75 AA |
7153 | |
7154 | /* | |
7155 | * Decode GETDEVINFO response | |
7156 | */ | |
bf269551 CL |
7157 | static int nfs4_xdr_dec_getdeviceinfo(struct rpc_rqst *rqstp, |
7158 | struct xdr_stream *xdr, | |
b1f69b75 AA |
7159 | struct nfs4_getdeviceinfo_res *res) |
7160 | { | |
b1f69b75 AA |
7161 | struct compound_hdr hdr; |
7162 | int status; | |
7163 | ||
bf269551 | 7164 | status = decode_compound_hdr(xdr, &hdr); |
b1f69b75 AA |
7165 | if (status != 0) |
7166 | goto out; | |
bf269551 | 7167 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
b1f69b75 AA |
7168 | if (status != 0) |
7169 | goto out; | |
4e590803 | 7170 | status = decode_getdeviceinfo(xdr, res); |
b1f69b75 AA |
7171 | out: |
7172 | return status; | |
7173 | } | |
7174 | ||
7175 | /* | |
7176 | * Decode LAYOUTGET response | |
7177 | */ | |
bf269551 CL |
7178 | static int nfs4_xdr_dec_layoutget(struct rpc_rqst *rqstp, |
7179 | struct xdr_stream *xdr, | |
b1f69b75 AA |
7180 | struct nfs4_layoutget_res *res) |
7181 | { | |
b1f69b75 AA |
7182 | struct compound_hdr hdr; |
7183 | int status; | |
7184 | ||
bf269551 | 7185 | status = decode_compound_hdr(xdr, &hdr); |
b1f69b75 AA |
7186 | if (status) |
7187 | goto out; | |
bf269551 | 7188 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
b1f69b75 AA |
7189 | if (status) |
7190 | goto out; | |
bf269551 | 7191 | status = decode_putfh(xdr); |
b1f69b75 AA |
7192 | if (status) |
7193 | goto out; | |
bf269551 | 7194 | status = decode_layoutget(xdr, rqstp, res); |
b1f69b75 AA |
7195 | out: |
7196 | return status; | |
7197 | } | |
863a3c6c | 7198 | |
cbe82603 BH |
7199 | /* |
7200 | * Decode LAYOUTRETURN response | |
7201 | */ | |
7202 | static int nfs4_xdr_dec_layoutreturn(struct rpc_rqst *rqstp, | |
7203 | struct xdr_stream *xdr, | |
7204 | struct nfs4_layoutreturn_res *res) | |
7205 | { | |
7206 | struct compound_hdr hdr; | |
7207 | int status; | |
7208 | ||
7209 | status = decode_compound_hdr(xdr, &hdr); | |
7210 | if (status) | |
7211 | goto out; | |
7212 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7213 | if (status) | |
7214 | goto out; | |
7215 | status = decode_putfh(xdr); | |
7216 | if (status) | |
7217 | goto out; | |
7218 | status = decode_layoutreturn(xdr, res); | |
7219 | out: | |
7220 | return status; | |
7221 | } | |
7222 | ||
863a3c6c AA |
7223 | /* |
7224 | * Decode LAYOUTCOMMIT response | |
7225 | */ | |
7226 | static int nfs4_xdr_dec_layoutcommit(struct rpc_rqst *rqstp, | |
7227 | struct xdr_stream *xdr, | |
7228 | struct nfs4_layoutcommit_res *res) | |
7229 | { | |
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_layoutcommit(xdr, rqstp, res); | |
7243 | if (status) | |
7244 | goto out; | |
6926afd1 | 7245 | decode_getfattr(xdr, res->fattr, res->server); |
863a3c6c AA |
7246 | out: |
7247 | return status; | |
7248 | } | |
fca78d6d BS |
7249 | |
7250 | /* | |
7251 | * Decode SECINFO_NO_NAME response | |
7252 | */ | |
7253 | static int nfs4_xdr_dec_secinfo_no_name(struct rpc_rqst *rqstp, | |
7254 | struct xdr_stream *xdr, | |
7255 | struct nfs4_secinfo_res *res) | |
7256 | { | |
7257 | struct compound_hdr hdr; | |
7258 | int status; | |
7259 | ||
7260 | status = decode_compound_hdr(xdr, &hdr); | |
7261 | if (status) | |
7262 | goto out; | |
7263 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7264 | if (status) | |
7265 | goto out; | |
7266 | status = decode_putrootfh(xdr); | |
7267 | if (status) | |
7268 | goto out; | |
31e4dda4 | 7269 | status = decode_secinfo_no_name(xdr, res); |
fca78d6d BS |
7270 | out: |
7271 | return status; | |
7272 | } | |
7d974794 BS |
7273 | |
7274 | /* | |
7275 | * Decode TEST_STATEID response | |
7276 | */ | |
7277 | static int nfs4_xdr_dec_test_stateid(struct rpc_rqst *rqstp, | |
7278 | struct xdr_stream *xdr, | |
7279 | struct nfs41_test_stateid_res *res) | |
7280 | { | |
7281 | struct compound_hdr hdr; | |
7282 | int status; | |
7283 | ||
7284 | status = decode_compound_hdr(xdr, &hdr); | |
7285 | if (status) | |
7286 | goto out; | |
7287 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7288 | if (status) | |
7289 | goto out; | |
7290 | status = decode_test_stateid(xdr, res); | |
7291 | out: | |
7292 | return status; | |
7293 | } | |
9aeda35f BS |
7294 | |
7295 | /* | |
7296 | * Decode FREE_STATEID response | |
7297 | */ | |
7298 | static int nfs4_xdr_dec_free_stateid(struct rpc_rqst *rqstp, | |
7299 | struct xdr_stream *xdr, | |
7300 | struct nfs41_free_stateid_res *res) | |
7301 | { | |
7302 | struct compound_hdr hdr; | |
7303 | int status; | |
7304 | ||
7305 | status = decode_compound_hdr(xdr, &hdr); | |
7306 | if (status) | |
7307 | goto out; | |
7308 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7309 | if (status) | |
7310 | goto out; | |
7311 | status = decode_free_stateid(xdr, res); | |
7312 | out: | |
7313 | return status; | |
7314 | } | |
99fe60d0 BH |
7315 | #endif /* CONFIG_NFS_V4_1 */ |
7316 | ||
573c4e1e CL |
7317 | /** |
7318 | * nfs4_decode_dirent - Decode a single NFSv4 directory entry stored in | |
7319 | * the local page cache. | |
7320 | * @xdr: XDR stream where entry resides | |
7321 | * @entry: buffer to fill in with entry data | |
7322 | * @plus: boolean indicating whether this should be a readdirplus entry | |
7323 | * | |
7324 | * Returns zero if successful, otherwise a negative errno value is | |
7325 | * returned. | |
7326 | * | |
7327 | * This function is not invoked during READDIR reply decoding, but | |
7328 | * rather whenever an application invokes the getdents(2) system call | |
7329 | * on a directory already in our cache. | |
7330 | */ | |
7331 | int nfs4_decode_dirent(struct xdr_stream *xdr, struct nfs_entry *entry, | |
7332 | int plus) | |
1da177e4 | 7333 | { |
256e48bb | 7334 | unsigned int savep; |
dae100c2 | 7335 | uint32_t bitmap[3] = {0}; |
1da177e4 | 7336 | uint32_t len; |
babddc72 BS |
7337 | __be32 *p = xdr_inline_decode(xdr, 4); |
7338 | if (unlikely(!p)) | |
7339 | goto out_overflow; | |
c08e76d0 | 7340 | if (*p == xdr_zero) { |
babddc72 BS |
7341 | p = xdr_inline_decode(xdr, 4); |
7342 | if (unlikely(!p)) | |
7343 | goto out_overflow; | |
c08e76d0 | 7344 | if (*p == xdr_zero) |
573c4e1e | 7345 | return -EAGAIN; |
1da177e4 | 7346 | entry->eof = 1; |
573c4e1e | 7347 | return -EBADCOOKIE; |
1da177e4 LT |
7348 | } |
7349 | ||
babddc72 BS |
7350 | p = xdr_inline_decode(xdr, 12); |
7351 | if (unlikely(!p)) | |
7352 | goto out_overflow; | |
1da177e4 LT |
7353 | entry->prev_cookie = entry->cookie; |
7354 | p = xdr_decode_hyper(p, &entry->cookie); | |
c08e76d0 | 7355 | entry->len = be32_to_cpup(p); |
babddc72 | 7356 | |
9af8c222 | 7357 | p = xdr_inline_decode(xdr, entry->len); |
babddc72 BS |
7358 | if (unlikely(!p)) |
7359 | goto out_overflow; | |
1da177e4 | 7360 | entry->name = (const char *) p; |
1da177e4 LT |
7361 | |
7362 | /* | |
7363 | * In case the server doesn't return an inode number, | |
7364 | * we fake one here. (We don't use inode number 0, | |
7365 | * since glibc seems to choke on it...) | |
7366 | */ | |
7367 | entry->ino = 1; | |
4f082222 | 7368 | entry->fattr->valid = 0; |
1da177e4 | 7369 | |
9af8c222 TM |
7370 | if (decode_attr_bitmap(xdr, bitmap) < 0) |
7371 | goto out_overflow; | |
7372 | ||
256e48bb | 7373 | if (decode_attr_length(xdr, &len, &savep) < 0) |
9af8c222 TM |
7374 | goto out_overflow; |
7375 | ||
573c4e1e | 7376 | if (decode_getfattr_attrs(xdr, bitmap, entry->fattr, entry->fh, |
aa9c2669 | 7377 | NULL, entry->label, entry->server) < 0) |
9af8c222 | 7378 | goto out_overflow; |
28331a46 TM |
7379 | if (entry->fattr->valid & NFS_ATTR_FATTR_MOUNTED_ON_FILEID) |
7380 | entry->ino = entry->fattr->mounted_on_fileid; | |
7381 | else if (entry->fattr->valid & NFS_ATTR_FATTR_FILEID) | |
9af8c222 TM |
7382 | entry->ino = entry->fattr->fileid; |
7383 | ||
0b26a0bf TM |
7384 | entry->d_type = DT_UNKNOWN; |
7385 | if (entry->fattr->valid & NFS_ATTR_FATTR_TYPE) | |
7386 | entry->d_type = nfs_umode_to_dtype(entry->fattr->mode); | |
7387 | ||
573c4e1e | 7388 | return 0; |
babddc72 BS |
7389 | |
7390 | out_overflow: | |
7391 | print_overflow_msg(__func__, xdr); | |
573c4e1e | 7392 | return -EAGAIN; |
1da177e4 LT |
7393 | } |
7394 | ||
7395 | /* | |
7396 | * We need to translate between nfs status return values and | |
7397 | * the local errno values which may not be the same. | |
7398 | */ | |
7399 | static struct { | |
7400 | int stat; | |
7401 | int errno; | |
7402 | } nfs_errtbl[] = { | |
7403 | { NFS4_OK, 0 }, | |
856dff3d BH |
7404 | { NFS4ERR_PERM, -EPERM }, |
7405 | { NFS4ERR_NOENT, -ENOENT }, | |
7406 | { NFS4ERR_IO, -errno_NFSERR_IO}, | |
7407 | { NFS4ERR_NXIO, -ENXIO }, | |
7408 | { NFS4ERR_ACCESS, -EACCES }, | |
7409 | { NFS4ERR_EXIST, -EEXIST }, | |
7410 | { NFS4ERR_XDEV, -EXDEV }, | |
7411 | { NFS4ERR_NOTDIR, -ENOTDIR }, | |
7412 | { NFS4ERR_ISDIR, -EISDIR }, | |
7413 | { NFS4ERR_INVAL, -EINVAL }, | |
7414 | { NFS4ERR_FBIG, -EFBIG }, | |
7415 | { NFS4ERR_NOSPC, -ENOSPC }, | |
7416 | { NFS4ERR_ROFS, -EROFS }, | |
7417 | { NFS4ERR_MLINK, -EMLINK }, | |
7418 | { NFS4ERR_NAMETOOLONG, -ENAMETOOLONG }, | |
7419 | { NFS4ERR_NOTEMPTY, -ENOTEMPTY }, | |
7420 | { NFS4ERR_DQUOT, -EDQUOT }, | |
7421 | { NFS4ERR_STALE, -ESTALE }, | |
7422 | { NFS4ERR_BADHANDLE, -EBADHANDLE }, | |
856dff3d BH |
7423 | { NFS4ERR_BAD_COOKIE, -EBADCOOKIE }, |
7424 | { NFS4ERR_NOTSUPP, -ENOTSUPP }, | |
7425 | { NFS4ERR_TOOSMALL, -ETOOSMALL }, | |
fdcb4577 | 7426 | { NFS4ERR_SERVERFAULT, -EREMOTEIO }, |
856dff3d BH |
7427 | { NFS4ERR_BADTYPE, -EBADTYPE }, |
7428 | { NFS4ERR_LOCKED, -EAGAIN }, | |
856dff3d BH |
7429 | { NFS4ERR_SYMLINK, -ELOOP }, |
7430 | { NFS4ERR_OP_ILLEGAL, -EOPNOTSUPP }, | |
7431 | { NFS4ERR_DEADLOCK, -EDEADLK }, | |
856dff3d | 7432 | { -1, -EIO } |
1da177e4 LT |
7433 | }; |
7434 | ||
7435 | /* | |
7436 | * Convert an NFS error code to a local one. | |
7437 | * This one is used jointly by NFSv2 and NFSv3. | |
7438 | */ | |
7439 | static int | |
0a8ea437 | 7440 | nfs4_stat_to_errno(int stat) |
1da177e4 LT |
7441 | { |
7442 | int i; | |
7443 | for (i = 0; nfs_errtbl[i].stat != -1; i++) { | |
7444 | if (nfs_errtbl[i].stat == stat) | |
7445 | return nfs_errtbl[i].errno; | |
7446 | } | |
7447 | if (stat <= 10000 || stat > 10100) { | |
7448 | /* The server is looney tunes. */ | |
fdcb4577 | 7449 | return -EREMOTEIO; |
1da177e4 LT |
7450 | } |
7451 | /* If we cannot translate the error, the recovery routines should | |
7452 | * handle it. | |
7453 | * Note: remaining NFSv4 error codes have values > 10000, so should | |
7454 | * not conflict with native Linux error codes. | |
7455 | */ | |
856dff3d | 7456 | return -stat; |
1da177e4 LT |
7457 | } |
7458 | ||
1c6dcbe5 AS |
7459 | #ifdef CONFIG_NFS_V4_2 |
7460 | #include "nfs42xdr.c" | |
7461 | #endif /* CONFIG_NFS_V4_2 */ | |
7462 | ||
1da177e4 LT |
7463 | #define PROC(proc, argtype, restype) \ |
7464 | [NFSPROC4_CLNT_##proc] = { \ | |
7465 | .p_proc = NFSPROC4_COMPOUND, \ | |
9f06c719 | 7466 | .p_encode = (kxdreproc_t)nfs4_xdr_##argtype, \ |
bf269551 | 7467 | .p_decode = (kxdrdproc_t)nfs4_xdr_##restype, \ |
2bea90d4 CL |
7468 | .p_arglen = NFS4_##argtype##_sz, \ |
7469 | .p_replen = NFS4_##restype##_sz, \ | |
cc0175c1 CL |
7470 | .p_statidx = NFSPROC4_CLNT_##proc, \ |
7471 | .p_name = #proc, \ | |
05d564fe | 7472 | } |
1da177e4 | 7473 | |
7c61f0d3 AS |
7474 | #define STUB(proc) \ |
7475 | [NFSPROC4_CLNT_##proc] = { \ | |
7476 | .p_name = #proc, \ | |
7477 | } | |
7478 | ||
1da177e4 | 7479 | struct rpc_procinfo nfs4_procedures[] = { |
7d93bd71 CL |
7480 | PROC(READ, enc_read, dec_read), |
7481 | PROC(WRITE, enc_write, dec_write), | |
7482 | PROC(COMMIT, enc_commit, dec_commit), | |
7483 | PROC(OPEN, enc_open, dec_open), | |
7484 | PROC(OPEN_CONFIRM, enc_open_confirm, dec_open_confirm), | |
7485 | PROC(OPEN_NOATTR, enc_open_noattr, dec_open_noattr), | |
7486 | PROC(OPEN_DOWNGRADE, enc_open_downgrade, dec_open_downgrade), | |
7487 | PROC(CLOSE, enc_close, dec_close), | |
7488 | PROC(SETATTR, enc_setattr, dec_setattr), | |
7489 | PROC(FSINFO, enc_fsinfo, dec_fsinfo), | |
7490 | PROC(RENEW, enc_renew, dec_renew), | |
7491 | PROC(SETCLIENTID, enc_setclientid, dec_setclientid), | |
7492 | PROC(SETCLIENTID_CONFIRM, enc_setclientid_confirm, dec_setclientid_confirm), | |
7493 | PROC(LOCK, enc_lock, dec_lock), | |
7494 | PROC(LOCKT, enc_lockt, dec_lockt), | |
7495 | PROC(LOCKU, enc_locku, dec_locku), | |
7496 | PROC(ACCESS, enc_access, dec_access), | |
7497 | PROC(GETATTR, enc_getattr, dec_getattr), | |
7498 | PROC(LOOKUP, enc_lookup, dec_lookup), | |
7499 | PROC(LOOKUP_ROOT, enc_lookup_root, dec_lookup_root), | |
7500 | PROC(REMOVE, enc_remove, dec_remove), | |
7501 | PROC(RENAME, enc_rename, dec_rename), | |
7502 | PROC(LINK, enc_link, dec_link), | |
7503 | PROC(SYMLINK, enc_symlink, dec_symlink), | |
7504 | PROC(CREATE, enc_create, dec_create), | |
7505 | PROC(PATHCONF, enc_pathconf, dec_pathconf), | |
7506 | PROC(STATFS, enc_statfs, dec_statfs), | |
7507 | PROC(READLINK, enc_readlink, dec_readlink), | |
7508 | PROC(READDIR, enc_readdir, dec_readdir), | |
7509 | PROC(SERVER_CAPS, enc_server_caps, dec_server_caps), | |
7510 | PROC(DELEGRETURN, enc_delegreturn, dec_delegreturn), | |
7511 | PROC(GETACL, enc_getacl, dec_getacl), | |
7512 | PROC(SETACL, enc_setacl, dec_setacl), | |
7513 | PROC(FS_LOCATIONS, enc_fs_locations, dec_fs_locations), | |
7514 | PROC(RELEASE_LOCKOWNER, enc_release_lockowner, dec_release_lockowner), | |
5a5ea0d4 | 7515 | PROC(SECINFO, enc_secinfo, dec_secinfo), |
44c99933 | 7516 | PROC(FSID_PRESENT, enc_fsid_present, dec_fsid_present), |
99fe60d0 | 7517 | #if defined(CONFIG_NFS_V4_1) |
7d93bd71 CL |
7518 | PROC(EXCHANGE_ID, enc_exchange_id, dec_exchange_id), |
7519 | PROC(CREATE_SESSION, enc_create_session, dec_create_session), | |
7520 | PROC(DESTROY_SESSION, enc_destroy_session, dec_destroy_session), | |
7521 | PROC(SEQUENCE, enc_sequence, dec_sequence), | |
7522 | PROC(GET_LEASE_TIME, enc_get_lease_time, dec_get_lease_time), | |
7523 | PROC(RECLAIM_COMPLETE, enc_reclaim_complete, dec_reclaim_complete), | |
7524 | PROC(GETDEVICEINFO, enc_getdeviceinfo, dec_getdeviceinfo), | |
7525 | PROC(LAYOUTGET, enc_layoutget, dec_layoutget), | |
863a3c6c | 7526 | PROC(LAYOUTCOMMIT, enc_layoutcommit, dec_layoutcommit), |
cbe82603 | 7527 | PROC(LAYOUTRETURN, enc_layoutreturn, dec_layoutreturn), |
fca78d6d | 7528 | PROC(SECINFO_NO_NAME, enc_secinfo_no_name, dec_secinfo_no_name), |
7d974794 | 7529 | PROC(TEST_STATEID, enc_test_stateid, dec_test_stateid), |
9aeda35f | 7530 | PROC(FREE_STATEID, enc_free_stateid, dec_free_stateid), |
7c61f0d3 | 7531 | STUB(GETDEVICELIST), |
ad24ecfb TM |
7532 | PROC(BIND_CONN_TO_SESSION, |
7533 | enc_bind_conn_to_session, dec_bind_conn_to_session), | |
66245539 | 7534 | PROC(DESTROY_CLIENTID, enc_destroy_clientid, dec_destroy_clientid), |
99fe60d0 | 7535 | #endif /* CONFIG_NFS_V4_1 */ |
1c6dcbe5 AS |
7536 | #ifdef CONFIG_NFS_V4_2 |
7537 | PROC(SEEK, enc_seek, dec_seek), | |
f4ac1674 | 7538 | PROC(ALLOCATE, enc_allocate, dec_allocate), |
624bd5b7 | 7539 | PROC(DEALLOCATE, enc_deallocate, dec_deallocate), |
be3a5d23 | 7540 | PROC(LAYOUTSTATS, enc_layoutstats, dec_layoutstats), |
36022770 | 7541 | PROC(CLONE, enc_clone, dec_clone), |
2e72448b | 7542 | PROC(COPY, enc_copy, dec_copy), |
1c6dcbe5 | 7543 | #endif /* CONFIG_NFS_V4_2 */ |
1da177e4 LT |
7544 | }; |
7545 | ||
a613fa16 | 7546 | const struct rpc_version nfs_version4 = { |
1da177e4 | 7547 | .number = 4, |
e8c96f8c | 7548 | .nrprocs = ARRAY_SIZE(nfs4_procedures), |
1da177e4 LT |
7549 | .procs = nfs4_procedures |
7550 | }; | |
7551 | ||
7552 | /* | |
7553 | * Local variables: | |
7554 | * c-basic-offset: 8 | |
7555 | * End: | |
7556 | */ |