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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> | |
dff25ddb | 55 | #include <linux/fs_struct.h> |
f092075d | 56 | |
4ce79717 | 57 | #include "nfs4_fs.h" |
4882ef72 | 58 | #include "internal.h" |
40c64c26 | 59 | #include "nfs4idmap.h" |
76e697ba | 60 | #include "nfs4session.h" |
b1f69b75 | 61 | #include "pnfs.h" |
f092075d | 62 | #include "netns.h" |
1da177e4 LT |
63 | |
64 | #define NFSDBG_FACILITY NFSDBG_XDR | |
65 | ||
66 | /* Mapping from NFS error code to "errno" error code. */ | |
67 | #define errno_NFSERR_IO EIO | |
68 | ||
0a8ea437 | 69 | static int nfs4_stat_to_errno(int); |
1da177e4 LT |
70 | |
71 | /* NFSv4 COMPOUND tags are only wanted for debugging purposes */ | |
72 | #ifdef DEBUG | |
73 | #define NFS4_MAXTAGLEN 20 | |
74 | #else | |
75 | #define NFS4_MAXTAGLEN 0 | |
76 | #endif | |
77 | ||
6c0195a4 | 78 | /* lock,open owner id: |
9f958ab8 | 79 | * we currently use size 2 (u64) out of (NFS4_OPAQUE_LIMIT >> 2) |
1da177e4 | 80 | */ |
95b72eb0 | 81 | #define open_owner_id_maxsz (1 + 2 + 1 + 1 + 2) |
d035c36c | 82 | #define lock_owner_id_maxsz (1 + 1 + 4) |
9104a55d | 83 | #define decode_lockowner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) |
1da177e4 LT |
84 | #define compound_encode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2)) |
85 | #define compound_decode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2)) | |
86 | #define op_encode_hdr_maxsz (1) | |
87 | #define op_decode_hdr_maxsz (2) | |
9104a55d TM |
88 | #define encode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE)) |
89 | #define decode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE)) | |
90 | #define encode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE)) | |
91 | #define decode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE)) | |
1da177e4 LT |
92 | #define encode_putfh_maxsz (op_encode_hdr_maxsz + 1 + \ |
93 | (NFS4_FHSIZE >> 2)) | |
94 | #define decode_putfh_maxsz (op_decode_hdr_maxsz) | |
95 | #define encode_putrootfh_maxsz (op_encode_hdr_maxsz) | |
96 | #define decode_putrootfh_maxsz (op_decode_hdr_maxsz) | |
97 | #define encode_getfh_maxsz (op_encode_hdr_maxsz) | |
98 | #define decode_getfh_maxsz (op_decode_hdr_maxsz + 1 + \ | |
99 | ((3+NFS4_FHSIZE) >> 2)) | |
e5012d1f | 100 | #define nfs4_fattr_bitmap_maxsz 4 |
96928206 | 101 | #define encode_getattr_maxsz (op_encode_hdr_maxsz + nfs4_fattr_bitmap_maxsz) |
1da177e4 LT |
102 | #define nfs4_name_maxsz (1 + ((3 + NFS4_MAXNAMLEN) >> 2)) |
103 | #define nfs4_path_maxsz (1 + ((3 + NFS4_MAXPATHLEN) >> 2)) | |
bd625ba8 TM |
104 | #define nfs4_owner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) |
105 | #define nfs4_group_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) | |
aa9c2669 DQ |
106 | #ifdef CONFIG_NFS_V4_SECURITY_LABEL |
107 | /* PI(4 bytes) + LFS(4 bytes) + 1(for null terminator?) + MAXLABELLEN */ | |
108 | #define nfs4_label_maxsz (4 + 4 + 1 + XDR_QUADLEN(NFS4_MAXLABELLEN)) | |
aa9c2669 DQ |
109 | #else |
110 | #define nfs4_label_maxsz 0 | |
aa9c2669 | 111 | #endif |
88034c3d AA |
112 | /* We support only one layout type per file system */ |
113 | #define decode_mdsthreshold_maxsz (1 + 1 + nfs4_fattr_bitmap_maxsz + 1 + 8) | |
96928206 BF |
114 | /* This is based on getfattr, which uses the most attributes: */ |
115 | #define nfs4_fattr_value_maxsz (1 + (1 + 2 + 2 + 4 + 2 + 1 + 1 + 2 + 2 + \ | |
88034c3d | 116 | 3 + 3 + 3 + nfs4_owner_maxsz + \ |
aa9c2669 DQ |
117 | nfs4_group_maxsz + nfs4_label_maxsz + \ |
118 | decode_mdsthreshold_maxsz)) | |
96928206 BF |
119 | #define nfs4_fattr_maxsz (nfs4_fattr_bitmap_maxsz + \ |
120 | nfs4_fattr_value_maxsz) | |
121 | #define decode_getattr_maxsz (op_decode_hdr_maxsz + nfs4_fattr_maxsz) | |
9104a55d TM |
122 | #define encode_attrs_maxsz (nfs4_fattr_bitmap_maxsz + \ |
123 | 1 + 2 + 1 + \ | |
124 | nfs4_owner_maxsz + \ | |
125 | nfs4_group_maxsz + \ | |
aa9c2669 | 126 | nfs4_label_maxsz + \ |
9104a55d | 127 | 4 + 4) |
1da177e4 LT |
128 | #define encode_savefh_maxsz (op_encode_hdr_maxsz) |
129 | #define decode_savefh_maxsz (op_decode_hdr_maxsz) | |
56ae19f3 TM |
130 | #define encode_restorefh_maxsz (op_encode_hdr_maxsz) |
131 | #define decode_restorefh_maxsz (op_decode_hdr_maxsz) | |
2f42b5d0 | 132 | #define encode_fsinfo_maxsz (encode_getattr_maxsz) |
dae100c2 FI |
133 | /* The 5 accounts for the PNFS attributes, and assumes that at most three |
134 | * layout types will be returned. | |
135 | */ | |
136 | #define decode_fsinfo_maxsz (op_decode_hdr_maxsz + \ | |
137 | nfs4_fattr_bitmap_maxsz + 4 + 8 + 5) | |
1da177e4 LT |
138 | #define encode_renew_maxsz (op_encode_hdr_maxsz + 3) |
139 | #define decode_renew_maxsz (op_decode_hdr_maxsz) | |
140 | #define encode_setclientid_maxsz \ | |
141 | (op_encode_hdr_maxsz + \ | |
cc38bac3 | 142 | XDR_QUADLEN(NFS4_VERIFIER_SIZE) + \ |
b8fb2f59 JL |
143 | /* client name */ \ |
144 | 1 + XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
cc38bac3 | 145 | 1 /* sc_prog */ + \ |
6dd3436b CL |
146 | 1 + XDR_QUADLEN(RPCBIND_MAXNETIDLEN) + \ |
147 | 1 + XDR_QUADLEN(RPCBIND_MAXUADDRLEN) + \ | |
cc38bac3 | 148 | 1) /* sc_cb_ident */ |
1da177e4 LT |
149 | #define decode_setclientid_maxsz \ |
150 | (op_decode_hdr_maxsz + \ | |
6dd3436b CL |
151 | 2 /* clientid */ + \ |
152 | XDR_QUADLEN(NFS4_VERIFIER_SIZE) + \ | |
153 | 1 + XDR_QUADLEN(RPCBIND_MAXNETIDLEN) + \ | |
154 | 1 + XDR_QUADLEN(RPCBIND_MAXUADDRLEN)) | |
1da177e4 LT |
155 | #define encode_setclientid_confirm_maxsz \ |
156 | (op_encode_hdr_maxsz + \ | |
157 | 3 + (NFS4_VERIFIER_SIZE >> 2)) | |
158 | #define decode_setclientid_confirm_maxsz \ | |
159 | (op_decode_hdr_maxsz) | |
e6889620 TM |
160 | #define encode_lookup_maxsz (op_encode_hdr_maxsz + nfs4_name_maxsz) |
161 | #define decode_lookup_maxsz (op_decode_hdr_maxsz) | |
2cebf828 TM |
162 | #define encode_share_access_maxsz \ |
163 | (2) | |
4882ef72 | 164 | #define encode_createmode_maxsz (1 + encode_attrs_maxsz + encode_verifier_maxsz) |
2cebf828 TM |
165 | #define encode_opentype_maxsz (1 + encode_createmode_maxsz) |
166 | #define encode_claim_null_maxsz (1 + nfs4_name_maxsz) | |
167 | #define encode_open_maxsz (op_encode_hdr_maxsz + \ | |
168 | 2 + encode_share_access_maxsz + 2 + \ | |
169 | open_owner_id_maxsz + \ | |
170 | encode_opentype_maxsz + \ | |
171 | encode_claim_null_maxsz) | |
5a1f6d9e | 172 | #define decode_space_limit_maxsz (3) |
2cebf828 | 173 | #define decode_ace_maxsz (3 + nfs4_owner_maxsz) |
9104a55d | 174 | #define decode_delegation_maxsz (1 + decode_stateid_maxsz + 1 + \ |
5a1f6d9e | 175 | decode_space_limit_maxsz + \ |
2cebf828 TM |
176 | decode_ace_maxsz) |
177 | #define decode_change_info_maxsz (5) | |
178 | #define decode_open_maxsz (op_decode_hdr_maxsz + \ | |
9104a55d | 179 | decode_stateid_maxsz + \ |
2cebf828 TM |
180 | decode_change_info_maxsz + 1 + \ |
181 | nfs4_fattr_bitmap_maxsz + \ | |
182 | decode_delegation_maxsz) | |
9104a55d TM |
183 | #define encode_open_confirm_maxsz \ |
184 | (op_encode_hdr_maxsz + \ | |
185 | encode_stateid_maxsz + 1) | |
186 | #define decode_open_confirm_maxsz \ | |
187 | (op_decode_hdr_maxsz + \ | |
188 | decode_stateid_maxsz) | |
189 | #define encode_open_downgrade_maxsz \ | |
190 | (op_encode_hdr_maxsz + \ | |
191 | encode_stateid_maxsz + 1 + \ | |
192 | encode_share_access_maxsz) | |
193 | #define decode_open_downgrade_maxsz \ | |
194 | (op_decode_hdr_maxsz + \ | |
195 | decode_stateid_maxsz) | |
196 | #define encode_close_maxsz (op_encode_hdr_maxsz + \ | |
197 | 1 + encode_stateid_maxsz) | |
198 | #define decode_close_maxsz (op_decode_hdr_maxsz + \ | |
199 | decode_stateid_maxsz) | |
200 | #define encode_setattr_maxsz (op_encode_hdr_maxsz + \ | |
201 | encode_stateid_maxsz + \ | |
202 | encode_attrs_maxsz) | |
203 | #define decode_setattr_maxsz (op_decode_hdr_maxsz + \ | |
204 | nfs4_fattr_bitmap_maxsz) | |
205 | #define encode_read_maxsz (op_encode_hdr_maxsz + \ | |
206 | encode_stateid_maxsz + 3) | |
207 | #define decode_read_maxsz (op_decode_hdr_maxsz + 2) | |
208 | #define encode_readdir_maxsz (op_encode_hdr_maxsz + \ | |
aa9c2669 DQ |
209 | 2 + encode_verifier_maxsz + 5 + \ |
210 | nfs4_label_maxsz) | |
9104a55d | 211 | #define decode_readdir_maxsz (op_decode_hdr_maxsz + \ |
a7697f6f | 212 | decode_verifier_maxsz) |
9104a55d TM |
213 | #define encode_readlink_maxsz (op_encode_hdr_maxsz) |
214 | #define decode_readlink_maxsz (op_decode_hdr_maxsz + 1) | |
215 | #define encode_write_maxsz (op_encode_hdr_maxsz + \ | |
216 | encode_stateid_maxsz + 4) | |
217 | #define decode_write_maxsz (op_decode_hdr_maxsz + \ | |
218 | 2 + decode_verifier_maxsz) | |
219 | #define encode_commit_maxsz (op_encode_hdr_maxsz + 3) | |
220 | #define decode_commit_maxsz (op_decode_hdr_maxsz + \ | |
221 | decode_verifier_maxsz) | |
1da177e4 LT |
222 | #define encode_remove_maxsz (op_encode_hdr_maxsz + \ |
223 | nfs4_name_maxsz) | |
6ce18391 BH |
224 | #define decode_remove_maxsz (op_decode_hdr_maxsz + \ |
225 | decode_change_info_maxsz) | |
1da177e4 LT |
226 | #define encode_rename_maxsz (op_encode_hdr_maxsz + \ |
227 | 2 * nfs4_name_maxsz) | |
6ce18391 BH |
228 | #define decode_rename_maxsz (op_decode_hdr_maxsz + \ |
229 | decode_change_info_maxsz + \ | |
230 | decode_change_info_maxsz) | |
1da177e4 LT |
231 | #define encode_link_maxsz (op_encode_hdr_maxsz + \ |
232 | nfs4_name_maxsz) | |
6ce18391 | 233 | #define decode_link_maxsz (op_decode_hdr_maxsz + decode_change_info_maxsz) |
daccbded | 234 | #define encode_lockowner_maxsz (7) |
9104a55d TM |
235 | #define encode_lock_maxsz (op_encode_hdr_maxsz + \ |
236 | 7 + \ | |
daccbded TM |
237 | 1 + encode_stateid_maxsz + 1 + \ |
238 | encode_lockowner_maxsz) | |
9104a55d TM |
239 | #define decode_lock_denied_maxsz \ |
240 | (8 + decode_lockowner_maxsz) | |
241 | #define decode_lock_maxsz (op_decode_hdr_maxsz + \ | |
242 | decode_lock_denied_maxsz) | |
daccbded TM |
243 | #define encode_lockt_maxsz (op_encode_hdr_maxsz + 5 + \ |
244 | encode_lockowner_maxsz) | |
9104a55d TM |
245 | #define decode_lockt_maxsz (op_decode_hdr_maxsz + \ |
246 | decode_lock_denied_maxsz) | |
247 | #define encode_locku_maxsz (op_encode_hdr_maxsz + 3 + \ | |
248 | encode_stateid_maxsz + \ | |
249 | 4) | |
250 | #define decode_locku_maxsz (op_decode_hdr_maxsz + \ | |
251 | decode_stateid_maxsz) | |
d3c7b7cc TM |
252 | #define encode_release_lockowner_maxsz \ |
253 | (op_encode_hdr_maxsz + \ | |
254 | encode_lockowner_maxsz) | |
255 | #define decode_release_lockowner_maxsz \ | |
256 | (op_decode_hdr_maxsz) | |
9104a55d TM |
257 | #define encode_access_maxsz (op_encode_hdr_maxsz + 1) |
258 | #define decode_access_maxsz (op_decode_hdr_maxsz + 2) | |
1da177e4 LT |
259 | #define encode_symlink_maxsz (op_encode_hdr_maxsz + \ |
260 | 1 + nfs4_name_maxsz + \ | |
94a6d753 | 261 | 1 + \ |
96928206 | 262 | nfs4_fattr_maxsz) |
1da177e4 LT |
263 | #define decode_symlink_maxsz (op_decode_hdr_maxsz + 8) |
264 | #define encode_create_maxsz (op_encode_hdr_maxsz + \ | |
9104a55d TM |
265 | 1 + 2 + nfs4_name_maxsz + \ |
266 | encode_attrs_maxsz) | |
2cebf828 TM |
267 | #define decode_create_maxsz (op_decode_hdr_maxsz + \ |
268 | decode_change_info_maxsz + \ | |
269 | nfs4_fattr_bitmap_maxsz) | |
9104a55d TM |
270 | #define encode_statfs_maxsz (encode_getattr_maxsz) |
271 | #define decode_statfs_maxsz (decode_getattr_maxsz) | |
1da177e4 LT |
272 | #define encode_delegreturn_maxsz (op_encode_hdr_maxsz + 4) |
273 | #define decode_delegreturn_maxsz (op_decode_hdr_maxsz) | |
9104a55d TM |
274 | #define encode_getacl_maxsz (encode_getattr_maxsz) |
275 | #define decode_getacl_maxsz (op_decode_hdr_maxsz + \ | |
276 | nfs4_fattr_bitmap_maxsz + 1) | |
277 | #define encode_setacl_maxsz (op_encode_hdr_maxsz + \ | |
278 | encode_stateid_maxsz + 3) | |
279 | #define decode_setacl_maxsz (decode_setattr_maxsz) | |
e6889620 TM |
280 | #define encode_fs_locations_maxsz \ |
281 | (encode_getattr_maxsz) | |
282 | #define decode_fs_locations_maxsz \ | |
283 | (0) | |
5a5ea0d4 | 284 | #define encode_secinfo_maxsz (op_encode_hdr_maxsz + nfs4_name_maxsz) |
1650add2 | 285 | #define decode_secinfo_maxsz (op_decode_hdr_maxsz + 1 + ((NFS_MAX_SECFLAVORS * (16 + GSS_OID_MAX_LEN)) / 4)) |
9b7b9fcc AA |
286 | |
287 | #if defined(CONFIG_NFS_V4_1) | |
fc931582 | 288 | #define NFS4_MAX_MACHINE_NAME_LEN (64) |
d751f748 JR |
289 | #define IMPL_NAME_LIMIT (sizeof(utsname()->sysname) + sizeof(utsname()->release) + \ |
290 | sizeof(utsname()->version) + sizeof(utsname()->machine) + 8) | |
fc931582 | 291 | |
99fe60d0 BH |
292 | #define encode_exchange_id_maxsz (op_encode_hdr_maxsz + \ |
293 | encode_verifier_maxsz + \ | |
294 | 1 /* co_ownerid.len */ + \ | |
b8fb2f59 JL |
295 | /* eia_clientowner */ \ |
296 | 1 + XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
99fe60d0 BH |
297 | 1 /* flags */ + \ |
298 | 1 /* spa_how */ + \ | |
2031cd1a WAA |
299 | /* max is SP4_MACH_CRED (for now) */ + \ |
300 | 1 + NFS4_OP_MAP_NUM_WORDS + \ | |
301 | 1 + NFS4_OP_MAP_NUM_WORDS + \ | |
db8ac8ba WAA |
302 | 1 /* implementation id array of size 1 */ + \ |
303 | 1 /* nii_domain */ + \ | |
304 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
305 | 1 /* nii_name */ + \ | |
d751f748 | 306 | XDR_QUADLEN(IMPL_NAME_LIMIT) + \ |
db8ac8ba | 307 | 3 /* nii_date */) |
99fe60d0 BH |
308 | #define decode_exchange_id_maxsz (op_decode_hdr_maxsz + \ |
309 | 2 /* eir_clientid */ + \ | |
310 | 1 /* eir_sequenceid */ + \ | |
311 | 1 /* eir_flags */ + \ | |
312 | 1 /* spr_how */ + \ | |
2031cd1a WAA |
313 | /* max is SP4_MACH_CRED (for now) */ + \ |
314 | 1 + NFS4_OP_MAP_NUM_WORDS + \ | |
315 | 1 + NFS4_OP_MAP_NUM_WORDS + \ | |
99fe60d0 BH |
316 | 2 /* eir_server_owner.so_minor_id */ + \ |
317 | /* eir_server_owner.so_major_id<> */ \ | |
318 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 + \ | |
319 | /* eir_server_scope<> */ \ | |
320 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 + \ | |
321 | 1 /* eir_server_impl_id array length */ + \ | |
7d2ed9ac WAA |
322 | 1 /* nii_domain */ + \ |
323 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
324 | 1 /* nii_name */ + \ | |
325 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
326 | 3 /* nii_date */) | |
fc931582 AA |
327 | #define encode_channel_attrs_maxsz (6 + 1 /* ca_rdma_ird.len (0) */) |
328 | #define decode_channel_attrs_maxsz (6 + \ | |
329 | 1 /* ca_rdma_ird.len */ + \ | |
330 | 1 /* ca_rdma_ird */) | |
331 | #define encode_create_session_maxsz (op_encode_hdr_maxsz + \ | |
332 | 2 /* csa_clientid */ + \ | |
333 | 1 /* csa_sequence */ + \ | |
334 | 1 /* csa_flags */ + \ | |
335 | encode_channel_attrs_maxsz + \ | |
336 | encode_channel_attrs_maxsz + \ | |
337 | 1 /* csa_cb_program */ + \ | |
338 | 1 /* csa_sec_parms.len (1) */ + \ | |
339 | 1 /* cb_secflavor (AUTH_SYS) */ + \ | |
340 | 1 /* stamp */ + \ | |
341 | 1 /* machinename.len */ + \ | |
342 | XDR_QUADLEN(NFS4_MAX_MACHINE_NAME_LEN) + \ | |
343 | 1 /* uid */ + \ | |
344 | 1 /* gid */ + \ | |
345 | 1 /* gids.len (0) */) | |
346 | #define decode_create_session_maxsz (op_decode_hdr_maxsz + \ | |
347 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + \ | |
348 | 1 /* csr_sequence */ + \ | |
349 | 1 /* csr_flags */ + \ | |
350 | decode_channel_attrs_maxsz + \ | |
351 | decode_channel_attrs_maxsz) | |
7c44f1ae WAA |
352 | #define encode_bind_conn_to_session_maxsz (op_encode_hdr_maxsz + \ |
353 | /* bctsa_sessid */ \ | |
354 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + \ | |
355 | 1 /* bctsa_dir */ + \ | |
356 | 1 /* bctsa_use_conn_in_rdma_mode */) | |
357 | #define decode_bind_conn_to_session_maxsz (op_decode_hdr_maxsz + \ | |
358 | /* bctsr_sessid */ \ | |
359 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + \ | |
360 | 1 /* bctsr_dir */ + \ | |
361 | 1 /* bctsr_use_conn_in_rdma_mode */) | |
0f3e66c6 AA |
362 | #define encode_destroy_session_maxsz (op_encode_hdr_maxsz + 4) |
363 | #define decode_destroy_session_maxsz (op_decode_hdr_maxsz) | |
66245539 TM |
364 | #define encode_destroy_clientid_maxsz (op_encode_hdr_maxsz + 2) |
365 | #define decode_destroy_clientid_maxsz (op_decode_hdr_maxsz) | |
fc01cea9 AA |
366 | #define encode_sequence_maxsz (op_encode_hdr_maxsz + \ |
367 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 4) | |
368 | #define decode_sequence_maxsz (op_decode_hdr_maxsz + \ | |
369 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 5) | |
18019753 RL |
370 | #define encode_reclaim_complete_maxsz (op_encode_hdr_maxsz + 4) |
371 | #define decode_reclaim_complete_maxsz (op_decode_hdr_maxsz + 4) | |
84c9dee3 CH |
372 | #define encode_getdeviceinfo_maxsz (op_encode_hdr_maxsz + \ |
373 | XDR_QUADLEN(NFS4_DEVICEID4_SIZE) + \ | |
374 | 1 /* layout type */ + \ | |
375 | 1 /* maxcount */ + \ | |
376 | 1 /* bitmap size */ + \ | |
377 | 1 /* notification bitmap length */ + \ | |
378 | 1 /* notification bitmap, word 0 */) | |
b1f69b75 AA |
379 | #define decode_getdeviceinfo_maxsz (op_decode_hdr_maxsz + \ |
380 | 1 /* layout type */ + \ | |
381 | 1 /* opaque devaddr4 length */ + \ | |
382 | /* devaddr4 payload is read into page */ \ | |
383 | 1 /* notification bitmap length */ + \ | |
84c9dee3 | 384 | 1 /* notification bitmap, word 0 */) |
b1f69b75 AA |
385 | #define encode_layoutget_maxsz (op_encode_hdr_maxsz + 10 + \ |
386 | encode_stateid_maxsz) | |
387 | #define decode_layoutget_maxsz (op_decode_hdr_maxsz + 8 + \ | |
388 | decode_stateid_maxsz + \ | |
389 | XDR_QUADLEN(PNFS_LAYOUT_MAXSIZE)) | |
863a3c6c AA |
390 | #define encode_layoutcommit_maxsz (op_encode_hdr_maxsz + \ |
391 | 2 /* offset */ + \ | |
392 | 2 /* length */ + \ | |
393 | 1 /* reclaim */ + \ | |
394 | encode_stateid_maxsz + \ | |
395 | 1 /* new offset (true) */ + \ | |
396 | 2 /* last byte written */ + \ | |
397 | 1 /* nt_timechanged (false) */ + \ | |
398 | 1 /* layoutupdate4 layout type */ + \ | |
5f919c9f CH |
399 | 1 /* layoutupdate4 opaqueue len */) |
400 | /* the actual content of layoutupdate4 should | |
401 | be allocated by drivers and spliced in | |
402 | using xdr_write_pages */ | |
863a3c6c | 403 | #define decode_layoutcommit_maxsz (op_decode_hdr_maxsz + 3) |
cbe82603 BH |
404 | #define encode_layoutreturn_maxsz (8 + op_encode_hdr_maxsz + \ |
405 | encode_stateid_maxsz + \ | |
6669cb8b TM |
406 | 1 + \ |
407 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT)) | |
cbe82603 BH |
408 | #define decode_layoutreturn_maxsz (op_decode_hdr_maxsz + \ |
409 | 1 + decode_stateid_maxsz) | |
fca78d6d BS |
410 | #define encode_secinfo_no_name_maxsz (op_encode_hdr_maxsz + 1) |
411 | #define decode_secinfo_no_name_maxsz decode_secinfo_maxsz | |
7d974794 BS |
412 | #define encode_test_stateid_maxsz (op_encode_hdr_maxsz + 2 + \ |
413 | XDR_QUADLEN(NFS4_STATEID_SIZE)) | |
414 | #define decode_test_stateid_maxsz (op_decode_hdr_maxsz + 2 + 1) | |
9aeda35f BS |
415 | #define encode_free_stateid_maxsz (op_encode_hdr_maxsz + 1 + \ |
416 | XDR_QUADLEN(NFS4_STATEID_SIZE)) | |
9f79fb48 | 417 | #define decode_free_stateid_maxsz (op_decode_hdr_maxsz) |
9b7b9fcc AA |
418 | #else /* CONFIG_NFS_V4_1 */ |
419 | #define encode_sequence_maxsz 0 | |
420 | #define decode_sequence_maxsz 0 | |
cf805165 TM |
421 | #define encode_layoutreturn_maxsz 0 |
422 | #define decode_layoutreturn_maxsz 0 | |
9b7b9fcc AA |
423 | #endif /* CONFIG_NFS_V4_1 */ |
424 | ||
1da177e4 LT |
425 | #define NFS4_enc_compound_sz (1024) /* XXX: large enough? */ |
426 | #define NFS4_dec_compound_sz (1024) /* XXX: large enough? */ | |
427 | #define NFS4_enc_read_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 428 | encode_sequence_maxsz + \ |
1da177e4 | 429 | encode_putfh_maxsz + \ |
9104a55d | 430 | encode_read_maxsz) |
1da177e4 | 431 | #define NFS4_dec_read_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 432 | decode_sequence_maxsz + \ |
1da177e4 | 433 | decode_putfh_maxsz + \ |
9104a55d | 434 | decode_read_maxsz) |
1da177e4 | 435 | #define NFS4_enc_readlink_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 436 | encode_sequence_maxsz + \ |
1da177e4 | 437 | encode_putfh_maxsz + \ |
9104a55d | 438 | encode_readlink_maxsz) |
1da177e4 | 439 | #define NFS4_dec_readlink_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 440 | decode_sequence_maxsz + \ |
1da177e4 | 441 | decode_putfh_maxsz + \ |
9104a55d | 442 | decode_readlink_maxsz) |
1da177e4 | 443 | #define NFS4_enc_readdir_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 444 | encode_sequence_maxsz + \ |
1da177e4 | 445 | encode_putfh_maxsz + \ |
9104a55d | 446 | encode_readdir_maxsz) |
1da177e4 | 447 | #define NFS4_dec_readdir_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 448 | decode_sequence_maxsz + \ |
1da177e4 | 449 | decode_putfh_maxsz + \ |
9104a55d | 450 | decode_readdir_maxsz) |
1da177e4 | 451 | #define NFS4_enc_write_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 452 | encode_sequence_maxsz + \ |
1da177e4 | 453 | encode_putfh_maxsz + \ |
9104a55d | 454 | encode_write_maxsz + \ |
4f9838c7 | 455 | encode_getattr_maxsz) |
1da177e4 | 456 | #define NFS4_dec_write_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 457 | decode_sequence_maxsz + \ |
1da177e4 | 458 | decode_putfh_maxsz + \ |
9104a55d | 459 | decode_write_maxsz + \ |
4f9838c7 | 460 | decode_getattr_maxsz) |
1da177e4 | 461 | #define NFS4_enc_commit_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 462 | encode_sequence_maxsz + \ |
1da177e4 | 463 | encode_putfh_maxsz + \ |
8582715e | 464 | encode_commit_maxsz) |
1da177e4 | 465 | #define NFS4_dec_commit_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 466 | decode_sequence_maxsz + \ |
1da177e4 | 467 | decode_putfh_maxsz + \ |
8582715e | 468 | decode_commit_maxsz) |
1da177e4 | 469 | #define NFS4_enc_open_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 470 | encode_sequence_maxsz + \ |
2cebf828 | 471 | encode_putfh_maxsz + \ |
2cebf828 | 472 | encode_open_maxsz + \ |
6168f62c | 473 | encode_access_maxsz + \ |
2cebf828 | 474 | encode_getfh_maxsz + \ |
2cebf828 | 475 | encode_getattr_maxsz) |
1da177e4 | 476 | #define NFS4_dec_open_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 477 | decode_sequence_maxsz + \ |
2cebf828 | 478 | decode_putfh_maxsz + \ |
2cebf828 | 479 | decode_open_maxsz + \ |
6168f62c | 480 | decode_access_maxsz + \ |
2cebf828 | 481 | decode_getfh_maxsz + \ |
2cebf828 | 482 | decode_getattr_maxsz) |
9104a55d TM |
483 | #define NFS4_enc_open_confirm_sz \ |
484 | (compound_encode_hdr_maxsz + \ | |
485 | encode_putfh_maxsz + \ | |
486 | encode_open_confirm_maxsz) | |
487 | #define NFS4_dec_open_confirm_sz \ | |
488 | (compound_decode_hdr_maxsz + \ | |
489 | decode_putfh_maxsz + \ | |
490 | decode_open_confirm_maxsz) | |
1da177e4 | 491 | #define NFS4_enc_open_noattr_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 492 | encode_sequence_maxsz + \ |
1da177e4 | 493 | encode_putfh_maxsz + \ |
2cebf828 | 494 | encode_open_maxsz + \ |
6168f62c | 495 | encode_access_maxsz + \ |
2cebf828 | 496 | encode_getattr_maxsz) |
1da177e4 | 497 | #define NFS4_dec_open_noattr_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 498 | decode_sequence_maxsz + \ |
1da177e4 | 499 | decode_putfh_maxsz + \ |
2cebf828 | 500 | decode_open_maxsz + \ |
6168f62c | 501 | decode_access_maxsz + \ |
2cebf828 | 502 | decode_getattr_maxsz) |
1da177e4 LT |
503 | #define NFS4_enc_open_downgrade_sz \ |
504 | (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 505 | encode_sequence_maxsz + \ |
9104a55d | 506 | encode_putfh_maxsz + \ |
b6808145 | 507 | encode_layoutreturn_maxsz + \ |
3947b74d | 508 | encode_open_downgrade_maxsz) |
1da177e4 LT |
509 | #define NFS4_dec_open_downgrade_sz \ |
510 | (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 511 | decode_sequence_maxsz + \ |
9104a55d | 512 | decode_putfh_maxsz + \ |
b6808145 | 513 | decode_layoutreturn_maxsz + \ |
3947b74d | 514 | decode_open_downgrade_maxsz) |
9104a55d | 515 | #define NFS4_enc_close_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 516 | encode_sequence_maxsz + \ |
9104a55d | 517 | encode_putfh_maxsz + \ |
cf805165 | 518 | encode_layoutreturn_maxsz + \ |
9104a55d TM |
519 | encode_close_maxsz + \ |
520 | encode_getattr_maxsz) | |
521 | #define NFS4_dec_close_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 522 | decode_sequence_maxsz + \ |
9104a55d | 523 | decode_putfh_maxsz + \ |
cf805165 | 524 | decode_layoutreturn_maxsz + \ |
9104a55d TM |
525 | decode_close_maxsz + \ |
526 | decode_getattr_maxsz) | |
527 | #define NFS4_enc_setattr_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 528 | encode_sequence_maxsz + \ |
9104a55d TM |
529 | encode_putfh_maxsz + \ |
530 | encode_setattr_maxsz + \ | |
531 | encode_getattr_maxsz) | |
532 | #define NFS4_dec_setattr_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 533 | decode_sequence_maxsz + \ |
9104a55d TM |
534 | decode_putfh_maxsz + \ |
535 | decode_setattr_maxsz + \ | |
536 | decode_getattr_maxsz) | |
1da177e4 | 537 | #define NFS4_enc_fsinfo_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 538 | encode_sequence_maxsz + \ |
1da177e4 LT |
539 | encode_putfh_maxsz + \ |
540 | encode_fsinfo_maxsz) | |
541 | #define NFS4_dec_fsinfo_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 542 | decode_sequence_maxsz + \ |
1da177e4 LT |
543 | decode_putfh_maxsz + \ |
544 | decode_fsinfo_maxsz) | |
545 | #define NFS4_enc_renew_sz (compound_encode_hdr_maxsz + \ | |
546 | encode_renew_maxsz) | |
547 | #define NFS4_dec_renew_sz (compound_decode_hdr_maxsz + \ | |
548 | decode_renew_maxsz) | |
549 | #define NFS4_enc_setclientid_sz (compound_encode_hdr_maxsz + \ | |
550 | encode_setclientid_maxsz) | |
551 | #define NFS4_dec_setclientid_sz (compound_decode_hdr_maxsz + \ | |
552 | decode_setclientid_maxsz) | |
553 | #define NFS4_enc_setclientid_confirm_sz \ | |
554 | (compound_encode_hdr_maxsz + \ | |
83ca7f5a | 555 | encode_setclientid_confirm_maxsz) |
1da177e4 LT |
556 | #define NFS4_dec_setclientid_confirm_sz \ |
557 | (compound_decode_hdr_maxsz + \ | |
83ca7f5a | 558 | decode_setclientid_confirm_maxsz) |
1da177e4 | 559 | #define NFS4_enc_lock_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 560 | encode_sequence_maxsz + \ |
1da177e4 | 561 | encode_putfh_maxsz + \ |
9104a55d | 562 | encode_lock_maxsz) |
1da177e4 | 563 | #define NFS4_dec_lock_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 564 | decode_sequence_maxsz + \ |
1da177e4 | 565 | decode_putfh_maxsz + \ |
9104a55d | 566 | decode_lock_maxsz) |
1da177e4 | 567 | #define NFS4_enc_lockt_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 568 | encode_sequence_maxsz + \ |
1da177e4 | 569 | encode_putfh_maxsz + \ |
9104a55d TM |
570 | encode_lockt_maxsz) |
571 | #define NFS4_dec_lockt_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 572 | decode_sequence_maxsz + \ |
9104a55d TM |
573 | decode_putfh_maxsz + \ |
574 | decode_lockt_maxsz) | |
1da177e4 | 575 | #define NFS4_enc_locku_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 576 | encode_sequence_maxsz + \ |
1da177e4 | 577 | encode_putfh_maxsz + \ |
9104a55d | 578 | encode_locku_maxsz) |
1da177e4 | 579 | #define NFS4_dec_locku_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 580 | decode_sequence_maxsz + \ |
1da177e4 | 581 | decode_putfh_maxsz + \ |
9104a55d | 582 | decode_locku_maxsz) |
d3c7b7cc TM |
583 | #define NFS4_enc_release_lockowner_sz \ |
584 | (compound_encode_hdr_maxsz + \ | |
585 | encode_lockowner_maxsz) | |
586 | #define NFS4_dec_release_lockowner_sz \ | |
587 | (compound_decode_hdr_maxsz + \ | |
588 | decode_lockowner_maxsz) | |
1da177e4 | 589 | #define NFS4_enc_access_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 590 | encode_sequence_maxsz + \ |
1da177e4 | 591 | encode_putfh_maxsz + \ |
76b32999 TM |
592 | encode_access_maxsz + \ |
593 | encode_getattr_maxsz) | |
1da177e4 | 594 | #define NFS4_dec_access_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 595 | decode_sequence_maxsz + \ |
1da177e4 | 596 | decode_putfh_maxsz + \ |
76b32999 TM |
597 | decode_access_maxsz + \ |
598 | decode_getattr_maxsz) | |
1da177e4 | 599 | #define NFS4_enc_getattr_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 600 | encode_sequence_maxsz + \ |
1da177e4 | 601 | encode_putfh_maxsz + \ |
44c99933 CL |
602 | encode_getattr_maxsz + \ |
603 | encode_renew_maxsz) | |
1da177e4 | 604 | #define NFS4_dec_getattr_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 605 | decode_sequence_maxsz + \ |
1da177e4 | 606 | decode_putfh_maxsz + \ |
44c99933 CL |
607 | decode_getattr_maxsz + \ |
608 | decode_renew_maxsz) | |
1da177e4 | 609 | #define NFS4_enc_lookup_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 610 | encode_sequence_maxsz + \ |
1da177e4 LT |
611 | encode_putfh_maxsz + \ |
612 | encode_lookup_maxsz + \ | |
613 | encode_getattr_maxsz + \ | |
614 | encode_getfh_maxsz) | |
615 | #define NFS4_dec_lookup_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 616 | decode_sequence_maxsz + \ |
1da177e4 | 617 | decode_putfh_maxsz + \ |
e6889620 | 618 | decode_lookup_maxsz + \ |
1da177e4 LT |
619 | decode_getattr_maxsz + \ |
620 | decode_getfh_maxsz) | |
621 | #define NFS4_enc_lookup_root_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 622 | encode_sequence_maxsz + \ |
1da177e4 LT |
623 | encode_putrootfh_maxsz + \ |
624 | encode_getattr_maxsz + \ | |
625 | encode_getfh_maxsz) | |
626 | #define NFS4_dec_lookup_root_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 627 | decode_sequence_maxsz + \ |
1da177e4 LT |
628 | decode_putrootfh_maxsz + \ |
629 | decode_getattr_maxsz + \ | |
630 | decode_getfh_maxsz) | |
631 | #define NFS4_enc_remove_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 632 | encode_sequence_maxsz + \ |
1da177e4 | 633 | encode_putfh_maxsz + \ |
778d2817 | 634 | encode_remove_maxsz) |
1da177e4 | 635 | #define NFS4_dec_remove_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 636 | decode_sequence_maxsz + \ |
1da177e4 | 637 | decode_putfh_maxsz + \ |
778d2817 | 638 | decode_remove_maxsz) |
1da177e4 | 639 | #define NFS4_enc_rename_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 640 | encode_sequence_maxsz + \ |
1da177e4 LT |
641 | encode_putfh_maxsz + \ |
642 | encode_savefh_maxsz + \ | |
643 | encode_putfh_maxsz + \ | |
778d2817 | 644 | encode_rename_maxsz) |
1da177e4 | 645 | #define NFS4_dec_rename_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 646 | decode_sequence_maxsz + \ |
1da177e4 LT |
647 | decode_putfh_maxsz + \ |
648 | decode_savefh_maxsz + \ | |
649 | decode_putfh_maxsz + \ | |
778d2817 | 650 | decode_rename_maxsz) |
1da177e4 | 651 | #define NFS4_enc_link_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 652 | encode_sequence_maxsz + \ |
1da177e4 LT |
653 | encode_putfh_maxsz + \ |
654 | encode_savefh_maxsz + \ | |
655 | encode_putfh_maxsz + \ | |
91ba2eee | 656 | encode_link_maxsz + \ |
91ba2eee | 657 | encode_restorefh_maxsz + \ |
a9f6991b | 658 | encode_getattr_maxsz) |
1da177e4 | 659 | #define NFS4_dec_link_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 660 | decode_sequence_maxsz + \ |
1da177e4 LT |
661 | decode_putfh_maxsz + \ |
662 | decode_savefh_maxsz + \ | |
663 | decode_putfh_maxsz + \ | |
91ba2eee | 664 | decode_link_maxsz + \ |
91ba2eee TM |
665 | decode_restorefh_maxsz + \ |
666 | decode_getattr_maxsz) | |
1da177e4 | 667 | #define NFS4_enc_symlink_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 668 | encode_sequence_maxsz + \ |
1da177e4 LT |
669 | encode_putfh_maxsz + \ |
670 | encode_symlink_maxsz + \ | |
671 | encode_getattr_maxsz + \ | |
672 | encode_getfh_maxsz) | |
673 | #define NFS4_dec_symlink_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 674 | decode_sequence_maxsz + \ |
1da177e4 LT |
675 | decode_putfh_maxsz + \ |
676 | decode_symlink_maxsz + \ | |
677 | decode_getattr_maxsz + \ | |
678 | decode_getfh_maxsz) | |
679 | #define NFS4_enc_create_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 680 | encode_sequence_maxsz + \ |
1da177e4 LT |
681 | encode_putfh_maxsz + \ |
682 | encode_create_maxsz + \ | |
56ae19f3 | 683 | encode_getfh_maxsz + \ |
56ae19f3 | 684 | encode_getattr_maxsz) |
1da177e4 | 685 | #define NFS4_dec_create_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 686 | decode_sequence_maxsz + \ |
1da177e4 LT |
687 | decode_putfh_maxsz + \ |
688 | decode_create_maxsz + \ | |
56ae19f3 | 689 | decode_getfh_maxsz + \ |
56ae19f3 | 690 | decode_getattr_maxsz) |
1da177e4 | 691 | #define NFS4_enc_pathconf_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 692 | encode_sequence_maxsz + \ |
1da177e4 LT |
693 | encode_putfh_maxsz + \ |
694 | encode_getattr_maxsz) | |
695 | #define NFS4_dec_pathconf_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 696 | decode_sequence_maxsz + \ |
1da177e4 LT |
697 | decode_putfh_maxsz + \ |
698 | decode_getattr_maxsz) | |
699 | #define NFS4_enc_statfs_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 700 | encode_sequence_maxsz + \ |
1da177e4 | 701 | encode_putfh_maxsz + \ |
9104a55d | 702 | encode_statfs_maxsz) |
1da177e4 | 703 | #define NFS4_dec_statfs_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 704 | decode_sequence_maxsz + \ |
1da177e4 | 705 | decode_putfh_maxsz + \ |
9104a55d | 706 | decode_statfs_maxsz) |
1da177e4 | 707 | #define NFS4_enc_server_caps_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 708 | encode_sequence_maxsz + \ |
ab91f264 | 709 | encode_putfh_maxsz + \ |
1da177e4 LT |
710 | encode_getattr_maxsz) |
711 | #define NFS4_dec_server_caps_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 712 | decode_sequence_maxsz + \ |
ab91f264 | 713 | decode_putfh_maxsz + \ |
1da177e4 LT |
714 | decode_getattr_maxsz) |
715 | #define NFS4_enc_delegreturn_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 716 | encode_sequence_maxsz + \ |
1da177e4 | 717 | encode_putfh_maxsz + \ |
586f1c39 | 718 | encode_layoutreturn_maxsz + \ |
fa178f29 TM |
719 | encode_delegreturn_maxsz + \ |
720 | encode_getattr_maxsz) | |
1da177e4 | 721 | #define NFS4_dec_delegreturn_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 722 | decode_sequence_maxsz + \ |
d8434d4c | 723 | decode_putfh_maxsz + \ |
586f1c39 | 724 | decode_layoutreturn_maxsz + \ |
fa178f29 TM |
725 | decode_delegreturn_maxsz + \ |
726 | decode_getattr_maxsz) | |
029d105e | 727 | #define NFS4_enc_getacl_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 728 | encode_sequence_maxsz + \ |
029d105e | 729 | encode_putfh_maxsz + \ |
9104a55d | 730 | encode_getacl_maxsz) |
029d105e | 731 | #define NFS4_dec_getacl_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 732 | decode_sequence_maxsz + \ |
029d105e | 733 | decode_putfh_maxsz + \ |
9104a55d | 734 | decode_getacl_maxsz) |
23ec6965 | 735 | #define NFS4_enc_setacl_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 736 | encode_sequence_maxsz + \ |
23ec6965 | 737 | encode_putfh_maxsz + \ |
9104a55d | 738 | encode_setacl_maxsz) |
23ec6965 | 739 | #define NFS4_dec_setacl_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 740 | decode_sequence_maxsz + \ |
23ec6965 | 741 | decode_putfh_maxsz + \ |
9104a55d | 742 | decode_setacl_maxsz) |
683b57b4 TM |
743 | #define NFS4_enc_fs_locations_sz \ |
744 | (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 745 | encode_sequence_maxsz + \ |
683b57b4 | 746 | encode_putfh_maxsz + \ |
e6889620 | 747 | encode_lookup_maxsz + \ |
b03d735b CL |
748 | encode_fs_locations_maxsz + \ |
749 | encode_renew_maxsz) | |
683b57b4 TM |
750 | #define NFS4_dec_fs_locations_sz \ |
751 | (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 752 | decode_sequence_maxsz + \ |
683b57b4 | 753 | decode_putfh_maxsz + \ |
e6889620 | 754 | decode_lookup_maxsz + \ |
b03d735b CL |
755 | decode_fs_locations_maxsz + \ |
756 | decode_renew_maxsz) | |
5a5ea0d4 BS |
757 | #define NFS4_enc_secinfo_sz (compound_encode_hdr_maxsz + \ |
758 | encode_sequence_maxsz + \ | |
759 | encode_putfh_maxsz + \ | |
760 | encode_secinfo_maxsz) | |
761 | #define NFS4_dec_secinfo_sz (compound_decode_hdr_maxsz + \ | |
762 | decode_sequence_maxsz + \ | |
763 | decode_putfh_maxsz + \ | |
764 | decode_secinfo_maxsz) | |
44c99933 CL |
765 | #define NFS4_enc_fsid_present_sz \ |
766 | (compound_encode_hdr_maxsz + \ | |
767 | encode_sequence_maxsz + \ | |
768 | encode_putfh_maxsz + \ | |
769 | encode_getfh_maxsz + \ | |
770 | encode_renew_maxsz) | |
771 | #define NFS4_dec_fsid_present_sz \ | |
772 | (compound_decode_hdr_maxsz + \ | |
773 | decode_sequence_maxsz + \ | |
774 | decode_putfh_maxsz + \ | |
775 | decode_getfh_maxsz + \ | |
776 | decode_renew_maxsz) | |
99fe60d0 | 777 | #if defined(CONFIG_NFS_V4_1) |
7c44f1ae WAA |
778 | #define NFS4_enc_bind_conn_to_session_sz \ |
779 | (compound_encode_hdr_maxsz + \ | |
780 | encode_bind_conn_to_session_maxsz) | |
781 | #define NFS4_dec_bind_conn_to_session_sz \ | |
782 | (compound_decode_hdr_maxsz + \ | |
783 | decode_bind_conn_to_session_maxsz) | |
99fe60d0 BH |
784 | #define NFS4_enc_exchange_id_sz \ |
785 | (compound_encode_hdr_maxsz + \ | |
786 | encode_exchange_id_maxsz) | |
787 | #define NFS4_dec_exchange_id_sz \ | |
788 | (compound_decode_hdr_maxsz + \ | |
789 | decode_exchange_id_maxsz) | |
fc931582 AA |
790 | #define NFS4_enc_create_session_sz \ |
791 | (compound_encode_hdr_maxsz + \ | |
792 | encode_create_session_maxsz) | |
793 | #define NFS4_dec_create_session_sz \ | |
794 | (compound_decode_hdr_maxsz + \ | |
795 | decode_create_session_maxsz) | |
0f3e66c6 AA |
796 | #define NFS4_enc_destroy_session_sz (compound_encode_hdr_maxsz + \ |
797 | encode_destroy_session_maxsz) | |
798 | #define NFS4_dec_destroy_session_sz (compound_decode_hdr_maxsz + \ | |
799 | decode_destroy_session_maxsz) | |
66245539 TM |
800 | #define NFS4_enc_destroy_clientid_sz (compound_encode_hdr_maxsz + \ |
801 | encode_destroy_clientid_maxsz) | |
802 | #define NFS4_dec_destroy_clientid_sz (compound_decode_hdr_maxsz + \ | |
803 | decode_destroy_clientid_maxsz) | |
fc01cea9 AA |
804 | #define NFS4_enc_sequence_sz \ |
805 | (compound_decode_hdr_maxsz + \ | |
806 | encode_sequence_maxsz) | |
807 | #define NFS4_dec_sequence_sz \ | |
808 | (compound_decode_hdr_maxsz + \ | |
809 | decode_sequence_maxsz) | |
2050f0cc AA |
810 | #define NFS4_enc_get_lease_time_sz (compound_encode_hdr_maxsz + \ |
811 | encode_sequence_maxsz + \ | |
812 | encode_putrootfh_maxsz + \ | |
813 | encode_fsinfo_maxsz) | |
814 | #define NFS4_dec_get_lease_time_sz (compound_decode_hdr_maxsz + \ | |
815 | decode_sequence_maxsz + \ | |
816 | decode_putrootfh_maxsz + \ | |
817 | decode_fsinfo_maxsz) | |
18019753 RL |
818 | #define NFS4_enc_reclaim_complete_sz (compound_encode_hdr_maxsz + \ |
819 | encode_sequence_maxsz + \ | |
820 | encode_reclaim_complete_maxsz) | |
821 | #define NFS4_dec_reclaim_complete_sz (compound_decode_hdr_maxsz + \ | |
822 | decode_sequence_maxsz + \ | |
823 | decode_reclaim_complete_maxsz) | |
b1f69b75 AA |
824 | #define NFS4_enc_getdeviceinfo_sz (compound_encode_hdr_maxsz + \ |
825 | encode_sequence_maxsz +\ | |
826 | encode_getdeviceinfo_maxsz) | |
827 | #define NFS4_dec_getdeviceinfo_sz (compound_decode_hdr_maxsz + \ | |
828 | decode_sequence_maxsz + \ | |
829 | decode_getdeviceinfo_maxsz) | |
830 | #define NFS4_enc_layoutget_sz (compound_encode_hdr_maxsz + \ | |
831 | encode_sequence_maxsz + \ | |
832 | encode_putfh_maxsz + \ | |
833 | encode_layoutget_maxsz) | |
834 | #define NFS4_dec_layoutget_sz (compound_decode_hdr_maxsz + \ | |
835 | decode_sequence_maxsz + \ | |
836 | decode_putfh_maxsz + \ | |
837 | decode_layoutget_maxsz) | |
863a3c6c AA |
838 | #define NFS4_enc_layoutcommit_sz (compound_encode_hdr_maxsz + \ |
839 | encode_sequence_maxsz +\ | |
840 | encode_putfh_maxsz + \ | |
841 | encode_layoutcommit_maxsz + \ | |
842 | encode_getattr_maxsz) | |
843 | #define NFS4_dec_layoutcommit_sz (compound_decode_hdr_maxsz + \ | |
844 | decode_sequence_maxsz + \ | |
845 | decode_putfh_maxsz + \ | |
846 | decode_layoutcommit_maxsz + \ | |
847 | decode_getattr_maxsz) | |
cbe82603 BH |
848 | #define NFS4_enc_layoutreturn_sz (compound_encode_hdr_maxsz + \ |
849 | encode_sequence_maxsz + \ | |
850 | encode_putfh_maxsz + \ | |
851 | encode_layoutreturn_maxsz) | |
852 | #define NFS4_dec_layoutreturn_sz (compound_decode_hdr_maxsz + \ | |
853 | decode_sequence_maxsz + \ | |
854 | decode_putfh_maxsz + \ | |
855 | decode_layoutreturn_maxsz) | |
fca78d6d BS |
856 | #define NFS4_enc_secinfo_no_name_sz (compound_encode_hdr_maxsz + \ |
857 | encode_sequence_maxsz + \ | |
858 | encode_putrootfh_maxsz +\ | |
859 | encode_secinfo_no_name_maxsz) | |
860 | #define NFS4_dec_secinfo_no_name_sz (compound_decode_hdr_maxsz + \ | |
861 | decode_sequence_maxsz + \ | |
862 | decode_putrootfh_maxsz + \ | |
863 | decode_secinfo_no_name_maxsz) | |
7d974794 BS |
864 | #define NFS4_enc_test_stateid_sz (compound_encode_hdr_maxsz + \ |
865 | encode_sequence_maxsz + \ | |
866 | encode_test_stateid_maxsz) | |
867 | #define NFS4_dec_test_stateid_sz (compound_decode_hdr_maxsz + \ | |
868 | decode_sequence_maxsz + \ | |
869 | decode_test_stateid_maxsz) | |
9aeda35f BS |
870 | #define NFS4_enc_free_stateid_sz (compound_encode_hdr_maxsz + \ |
871 | encode_sequence_maxsz + \ | |
872 | encode_free_stateid_maxsz) | |
873 | #define NFS4_dec_free_stateid_sz (compound_decode_hdr_maxsz + \ | |
874 | decode_sequence_maxsz + \ | |
875 | decode_free_stateid_maxsz) | |
2449ea2e AB |
876 | |
877 | const u32 nfs41_maxwrite_overhead = ((RPC_MAX_HEADER_WITH_AUTH + | |
878 | compound_encode_hdr_maxsz + | |
879 | encode_sequence_maxsz + | |
880 | encode_putfh_maxsz + | |
881 | encode_getattr_maxsz) * | |
882 | XDR_UNIT); | |
883 | ||
884 | const u32 nfs41_maxread_overhead = ((RPC_MAX_HEADER_WITH_AUTH + | |
885 | compound_decode_hdr_maxsz + | |
886 | decode_sequence_maxsz + | |
887 | decode_putfh_maxsz) * | |
888 | XDR_UNIT); | |
f1c097be AA |
889 | |
890 | const u32 nfs41_maxgetdevinfo_overhead = ((RPC_MAX_REPHEADER_WITH_AUTH + | |
891 | compound_decode_hdr_maxsz + | |
892 | decode_sequence_maxsz) * | |
893 | XDR_UNIT); | |
894 | EXPORT_SYMBOL_GPL(nfs41_maxgetdevinfo_overhead); | |
99fe60d0 | 895 | #endif /* CONFIG_NFS_V4_1 */ |
1da177e4 | 896 | |
bca79478 TM |
897 | static const umode_t nfs_type2fmt[] = { |
898 | [NF4BAD] = 0, | |
899 | [NF4REG] = S_IFREG, | |
900 | [NF4DIR] = S_IFDIR, | |
901 | [NF4BLK] = S_IFBLK, | |
902 | [NF4CHR] = S_IFCHR, | |
903 | [NF4LNK] = S_IFLNK, | |
904 | [NF4SOCK] = S_IFSOCK, | |
905 | [NF4FIFO] = S_IFIFO, | |
906 | [NF4ATTRDIR] = 0, | |
907 | [NF4NAMEDATTR] = 0, | |
1da177e4 LT |
908 | }; |
909 | ||
910 | struct compound_hdr { | |
911 | int32_t status; | |
912 | uint32_t nops; | |
d017931c | 913 | __be32 * nops_p; |
1da177e4 LT |
914 | uint32_t taglen; |
915 | char * tag; | |
0c4e8c18 | 916 | uint32_t replen; /* expected reply words */ |
66cc0429 | 917 | u32 minorversion; |
1da177e4 LT |
918 | }; |
919 | ||
13c65ce9 BH |
920 | static __be32 *reserve_space(struct xdr_stream *xdr, size_t nbytes) |
921 | { | |
922 | __be32 *p = xdr_reserve_space(xdr, nbytes); | |
923 | BUG_ON(!p); | |
924 | return p; | |
925 | } | |
1da177e4 | 926 | |
cb17e556 TM |
927 | static void encode_opaque_fixed(struct xdr_stream *xdr, const void *buf, size_t len) |
928 | { | |
ab6e9aaf | 929 | WARN_ON_ONCE(xdr_stream_encode_opaque_fixed(xdr, buf, len) < 0); |
cb17e556 TM |
930 | } |
931 | ||
1da177e4 LT |
932 | static void encode_string(struct xdr_stream *xdr, unsigned int len, const char *str) |
933 | { | |
ab6e9aaf | 934 | WARN_ON_ONCE(xdr_stream_encode_opaque(xdr, str, len) < 0); |
1da177e4 LT |
935 | } |
936 | ||
4ade9821 TM |
937 | static void encode_uint32(struct xdr_stream *xdr, u32 n) |
938 | { | |
ab6e9aaf | 939 | WARN_ON_ONCE(xdr_stream_encode_u32(xdr, n) < 0); |
4ade9821 TM |
940 | } |
941 | ||
ff2eb681 TM |
942 | static void encode_uint64(struct xdr_stream *xdr, u64 n) |
943 | { | |
ab6e9aaf | 944 | WARN_ON_ONCE(xdr_stream_encode_u64(xdr, n) < 0); |
ff2eb681 TM |
945 | } |
946 | ||
4ade9821 TM |
947 | static void encode_nfs4_seqid(struct xdr_stream *xdr, |
948 | const struct nfs_seqid *seqid) | |
949 | { | |
a6796419 TM |
950 | if (seqid != NULL) |
951 | encode_uint32(xdr, seqid->sequence->counter); | |
952 | else | |
953 | encode_uint32(xdr, 0); | |
4ade9821 TM |
954 | } |
955 | ||
0c4e8c18 BH |
956 | static void encode_compound_hdr(struct xdr_stream *xdr, |
957 | struct rpc_rqst *req, | |
958 | struct compound_hdr *hdr) | |
1da177e4 | 959 | { |
8687b63a | 960 | __be32 *p; |
a17c2153 | 961 | struct rpc_auth *auth = req->rq_cred->cr_auth; |
0c4e8c18 BH |
962 | |
963 | /* initialize running count of expected bytes in reply. | |
964 | * NOTE: the replied tag SHOULD be the same is the one sent, | |
965 | * but this is not required as a MUST for the server to do so. */ | |
966 | hdr->replen = RPC_REPHDRSIZE + auth->au_rslack + 3 + hdr->taglen; | |
1da177e4 | 967 | |
7fc38846 | 968 | WARN_ON_ONCE(hdr->taglen > NFS4_MAXTAGLEN); |
6fdfb0bc TM |
969 | encode_string(xdr, hdr->taglen, hdr->tag); |
970 | p = reserve_space(xdr, 8); | |
e75bc1c8 | 971 | *p++ = cpu_to_be32(hdr->minorversion); |
d017931c | 972 | hdr->nops_p = p; |
34558513 | 973 | *p = cpu_to_be32(hdr->nops); |
d017931c AA |
974 | } |
975 | ||
ab19b481 TM |
976 | static void encode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 op, |
977 | uint32_t replen, | |
978 | struct compound_hdr *hdr) | |
979 | { | |
980 | encode_uint32(xdr, op); | |
981 | hdr->nops++; | |
982 | hdr->replen += replen; | |
983 | } | |
984 | ||
d017931c AA |
985 | static void encode_nops(struct compound_hdr *hdr) |
986 | { | |
7fc38846 | 987 | WARN_ON_ONCE(hdr->nops > NFS4_MAX_OPS); |
d017931c | 988 | *hdr->nops_p = htonl(hdr->nops); |
1da177e4 LT |
989 | } |
990 | ||
ea9d23f5 TM |
991 | static void encode_nfs4_stateid(struct xdr_stream *xdr, const nfs4_stateid *stateid) |
992 | { | |
2d2f24ad | 993 | encode_opaque_fixed(xdr, stateid, NFS4_STATEID_SIZE); |
ea9d23f5 TM |
994 | } |
995 | ||
1da177e4 LT |
996 | static void encode_nfs4_verifier(struct xdr_stream *xdr, const nfs4_verifier *verf) |
997 | { | |
cb17e556 | 998 | encode_opaque_fixed(xdr, verf->data, NFS4_VERIFIER_SIZE); |
1da177e4 LT |
999 | } |
1000 | ||
aa9c2669 DQ |
1001 | static void encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, |
1002 | const struct nfs4_label *label, | |
28cf22d0 | 1003 | const umode_t *umask, |
5334c5bd | 1004 | const struct nfs_server *server, |
28cf22d0 | 1005 | const uint32_t attrmask[]) |
1da177e4 LT |
1006 | { |
1007 | char owner_name[IDMAP_NAMESZ]; | |
1008 | char owner_group[IDMAP_NAMESZ]; | |
1009 | int owner_namelen = 0; | |
1010 | int owner_grouplen = 0; | |
8687b63a | 1011 | __be32 *p; |
d7067b2d TM |
1012 | unsigned i; |
1013 | uint32_t len = 0; | |
1014 | uint32_t bmval_len; | |
1015 | uint32_t bmval[3] = { 0 }; | |
1da177e4 LT |
1016 | |
1017 | /* | |
1018 | * We reserve enough space to write the entire attribute buffer at once. | |
1da177e4 | 1019 | */ |
28cf22d0 | 1020 | if ((iap->ia_valid & ATTR_SIZE) && (attrmask[0] & FATTR4_WORD0_SIZE)) { |
d7067b2d | 1021 | bmval[0] |= FATTR4_WORD0_SIZE; |
1da177e4 | 1022 | len += 8; |
d7067b2d TM |
1023 | } |
1024 | if (iap->ia_valid & ATTR_MODE) { | |
28cf22d0 | 1025 | if (umask && (attrmask[2] & FATTR4_WORD2_MODE_UMASK)) { |
dff25ddb AG |
1026 | bmval[2] |= FATTR4_WORD2_MODE_UMASK; |
1027 | len += 8; | |
28cf22d0 | 1028 | } else if (attrmask[1] & FATTR4_WORD1_MODE) { |
dff25ddb AG |
1029 | bmval[1] |= FATTR4_WORD1_MODE; |
1030 | len += 4; | |
1031 | } | |
d7067b2d | 1032 | } |
28cf22d0 | 1033 | if ((iap->ia_valid & ATTR_UID) && (attrmask[1] & FATTR4_WORD1_OWNER)) { |
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 | } | |
28cf22d0 TM |
1046 | if ((iap->ia_valid & ATTR_GID) && |
1047 | (attrmask[1] & FATTR4_WORD1_OWNER_GROUP)) { | |
e4fd72a1 | 1048 | owner_grouplen = nfs_map_gid_to_group(server, iap->ia_gid, owner_group, IDMAP_NAMESZ); |
1da177e4 | 1049 | if (owner_grouplen < 0) { |
fe82a183 | 1050 | dprintk("nfs: couldn't resolve gid %d to string\n", |
e5782076 | 1051 | from_kgid(&init_user_ns, iap->ia_gid)); |
1da177e4 LT |
1052 | strcpy(owner_group, "nobody"); |
1053 | owner_grouplen = sizeof("nobody") - 1; | |
1054 | /* goto out; */ | |
1055 | } | |
d7067b2d | 1056 | bmval[1] |= FATTR4_WORD1_OWNER_GROUP; |
1da177e4 LT |
1057 | len += 4 + (XDR_QUADLEN(owner_grouplen) << 2); |
1058 | } | |
28cf22d0 TM |
1059 | if (attrmask[1] & FATTR4_WORD1_TIME_ACCESS_SET) { |
1060 | if (iap->ia_valid & ATTR_ATIME_SET) { | |
1061 | bmval[1] |= FATTR4_WORD1_TIME_ACCESS_SET; | |
1062 | len += 16; | |
1063 | } else if (iap->ia_valid & ATTR_ATIME) { | |
1064 | bmval[1] |= FATTR4_WORD1_TIME_ACCESS_SET; | |
1065 | len += 4; | |
1066 | } | |
d7067b2d | 1067 | } |
28cf22d0 TM |
1068 | if (attrmask[1] & FATTR4_WORD1_TIME_MODIFY_SET) { |
1069 | if (iap->ia_valid & ATTR_MTIME_SET) { | |
1070 | bmval[1] |= FATTR4_WORD1_TIME_MODIFY_SET; | |
1071 | len += 16; | |
1072 | } else if (iap->ia_valid & ATTR_MTIME) { | |
1073 | bmval[1] |= FATTR4_WORD1_TIME_MODIFY_SET; | |
1074 | len += 4; | |
1075 | } | |
5334c5bd KM |
1076 | } |
1077 | ||
28cf22d0 | 1078 | if (label && (attrmask[2] & FATTR4_WORD2_SECURITY_LABEL)) { |
b4a2cf76 | 1079 | len += 4 + 4 + 4 + (XDR_QUADLEN(label->len) << 2); |
d7067b2d | 1080 | bmval[2] |= FATTR4_WORD2_SECURITY_LABEL; |
b4a2cf76 TM |
1081 | } |
1082 | ||
d7067b2d TM |
1083 | if (bmval[2] != 0) |
1084 | bmval_len = 3; | |
1085 | else if (bmval[1] != 0) | |
1086 | bmval_len = 2; | |
1087 | else | |
1088 | bmval_len = 1; | |
1089 | ||
1090 | p = reserve_space(xdr, 4 + (bmval_len << 2) + 4 + len); | |
1da177e4 | 1091 | |
b4a2cf76 | 1092 | *p++ = cpu_to_be32(bmval_len); |
d7067b2d TM |
1093 | for (i = 0; i < bmval_len; i++) |
1094 | *p++ = cpu_to_be32(bmval[i]); | |
1095 | *p++ = cpu_to_be32(len); | |
1da177e4 | 1096 | |
d7067b2d | 1097 | if (bmval[0] & FATTR4_WORD0_SIZE) |
b95be5a9 | 1098 | p = xdr_encode_hyper(p, iap->ia_size); |
d7067b2d | 1099 | if (bmval[1] & FATTR4_WORD1_MODE) |
e75bc1c8 | 1100 | *p++ = cpu_to_be32(iap->ia_mode & S_IALLUGO); |
d7067b2d | 1101 | if (bmval[1] & FATTR4_WORD1_OWNER) |
811652bd | 1102 | p = xdr_encode_opaque(p, owner_name, owner_namelen); |
d7067b2d | 1103 | if (bmval[1] & FATTR4_WORD1_OWNER_GROUP) |
811652bd | 1104 | p = xdr_encode_opaque(p, owner_group, owner_grouplen); |
d7067b2d TM |
1105 | if (bmval[1] & FATTR4_WORD1_TIME_ACCESS_SET) { |
1106 | if (iap->ia_valid & ATTR_ATIME_SET) { | |
1107 | *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); | |
1108 | p = xdr_encode_hyper(p, (s64)iap->ia_atime.tv_sec); | |
1109 | *p++ = cpu_to_be32(iap->ia_atime.tv_nsec); | |
1110 | } else | |
1111 | *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); | |
1da177e4 | 1112 | } |
d7067b2d TM |
1113 | if (bmval[1] & FATTR4_WORD1_TIME_MODIFY_SET) { |
1114 | if (iap->ia_valid & ATTR_MTIME_SET) { | |
1115 | *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); | |
1116 | p = xdr_encode_hyper(p, (s64)iap->ia_mtime.tv_sec); | |
1117 | *p++ = cpu_to_be32(iap->ia_mtime.tv_nsec); | |
1118 | } else | |
1119 | *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); | |
1da177e4 | 1120 | } |
d7067b2d | 1121 | if (bmval[2] & FATTR4_WORD2_SECURITY_LABEL) { |
aa9c2669 DQ |
1122 | *p++ = cpu_to_be32(label->lfs); |
1123 | *p++ = cpu_to_be32(label->pi); | |
1124 | *p++ = cpu_to_be32(label->len); | |
1125 | p = xdr_encode_opaque_fixed(p, label->label, label->len); | |
1126 | } | |
dff25ddb AG |
1127 | if (bmval[2] & FATTR4_WORD2_MODE_UMASK) { |
1128 | *p++ = cpu_to_be32(iap->ia_mode & S_IALLUGO); | |
1129 | *p++ = cpu_to_be32(*umask); | |
1130 | } | |
6c0195a4 | 1131 | |
1da177e4 | 1132 | /* out: */ |
1da177e4 LT |
1133 | } |
1134 | ||
cf8cdbe5 | 1135 | static void encode_access(struct xdr_stream *xdr, u32 access, struct compound_hdr *hdr) |
1da177e4 | 1136 | { |
475d4ba0 TM |
1137 | encode_op_hdr(xdr, OP_ACCESS, decode_access_maxsz, hdr); |
1138 | encode_uint32(xdr, access); | |
1da177e4 LT |
1139 | } |
1140 | ||
cf8cdbe5 | 1141 | static void encode_close(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1142 | { |
ab19b481 | 1143 | encode_op_hdr(xdr, OP_CLOSE, decode_close_maxsz, hdr); |
4ade9821 | 1144 | encode_nfs4_seqid(xdr, arg->seqid); |
566fcec6 | 1145 | encode_nfs4_stateid(xdr, &arg->stateid); |
1da177e4 LT |
1146 | } |
1147 | ||
0b7c0153 | 1148 | static void encode_commit(struct xdr_stream *xdr, const struct nfs_commitargs *args, struct compound_hdr *hdr) |
1da177e4 | 1149 | { |
8687b63a | 1150 | __be32 *p; |
6c0195a4 | 1151 | |
475d4ba0 TM |
1152 | encode_op_hdr(xdr, OP_COMMIT, decode_commit_maxsz, hdr); |
1153 | p = reserve_space(xdr, 12); | |
b95be5a9 | 1154 | p = xdr_encode_hyper(p, args->offset); |
34558513 | 1155 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1156 | } |
1157 | ||
cf8cdbe5 | 1158 | static void encode_create(struct xdr_stream *xdr, const struct nfs4_create_arg *create, struct compound_hdr *hdr) |
1da177e4 | 1159 | { |
8687b63a | 1160 | __be32 *p; |
6c0195a4 | 1161 | |
475d4ba0 TM |
1162 | encode_op_hdr(xdr, OP_CREATE, decode_create_maxsz, hdr); |
1163 | encode_uint32(xdr, create->ftype); | |
1da177e4 LT |
1164 | |
1165 | switch (create->ftype) { | |
1166 | case NF4LNK: | |
13c65ce9 | 1167 | p = reserve_space(xdr, 4); |
34558513 | 1168 | *p = cpu_to_be32(create->u.symlink.len); |
2fcc213a CL |
1169 | xdr_write_pages(xdr, create->u.symlink.pages, 0, |
1170 | create->u.symlink.len); | |
1171 | xdr->buf->flags |= XDRBUF_WRITE; | |
1da177e4 LT |
1172 | break; |
1173 | ||
1174 | case NF4BLK: case NF4CHR: | |
13c65ce9 | 1175 | p = reserve_space(xdr, 8); |
e75bc1c8 | 1176 | *p++ = cpu_to_be32(create->u.device.specdata1); |
34558513 | 1177 | *p = cpu_to_be32(create->u.device.specdata2); |
1da177e4 LT |
1178 | break; |
1179 | ||
1180 | default: | |
1181 | break; | |
1182 | } | |
1183 | ||
811652bd | 1184 | encode_string(xdr, create->name->len, create->name->name); |
28cf22d0 TM |
1185 | encode_attrs(xdr, create->attrs, create->label, &create->umask, |
1186 | create->server, create->server->attr_bitmask); | |
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); |
28cf22d0 TM |
1406 | encode_attrs(xdr, arg->u.attrs, arg->label, &arg->umask, |
1407 | arg->server, arg->server->attr_bitmask); | |
05d564fe | 1408 | break; |
549b19cc TM |
1409 | case NFS4_CREATE_GUARDED: |
1410 | *p = cpu_to_be32(NFS4_CREATE_GUARDED); | |
28cf22d0 TM |
1411 | encode_attrs(xdr, arg->u.attrs, arg->label, &arg->umask, |
1412 | arg->server, arg->server->attr_bitmask); | |
549b19cc TM |
1413 | break; |
1414 | case NFS4_CREATE_EXCLUSIVE: | |
1415 | *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE); | |
1416 | encode_nfs4_verifier(xdr, &arg->u.verifier); | |
1417 | break; | |
1418 | case NFS4_CREATE_EXCLUSIVE4_1: | |
1419 | *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE4_1); | |
1420 | encode_nfs4_verifier(xdr, &arg->u.verifier); | |
28cf22d0 TM |
1421 | encode_attrs(xdr, arg->u.attrs, arg->label, &arg->umask, |
1422 | arg->server, arg->server->exclcreat_bitmask); | |
1da177e4 LT |
1423 | } |
1424 | } | |
1425 | ||
1426 | static void encode_opentype(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1427 | { | |
8687b63a | 1428 | __be32 *p; |
1da177e4 | 1429 | |
13c65ce9 | 1430 | p = reserve_space(xdr, 4); |
1da177e4 | 1431 | switch (arg->open_flags & O_CREAT) { |
05d564fe | 1432 | case 0: |
34558513 | 1433 | *p = cpu_to_be32(NFS4_OPEN_NOCREATE); |
05d564fe AA |
1434 | break; |
1435 | default: | |
34558513 | 1436 | *p = cpu_to_be32(NFS4_OPEN_CREATE); |
05d564fe | 1437 | encode_createmode(xdr, arg); |
1da177e4 LT |
1438 | } |
1439 | } | |
1440 | ||
bd7bf9d5 | 1441 | static inline void encode_delegation_type(struct xdr_stream *xdr, fmode_t delegation_type) |
1da177e4 | 1442 | { |
8687b63a | 1443 | __be32 *p; |
1da177e4 | 1444 | |
13c65ce9 | 1445 | p = reserve_space(xdr, 4); |
1da177e4 | 1446 | switch (delegation_type) { |
05d564fe | 1447 | case 0: |
34558513 | 1448 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_NONE); |
05d564fe AA |
1449 | break; |
1450 | case FMODE_READ: | |
34558513 | 1451 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_READ); |
05d564fe AA |
1452 | break; |
1453 | case FMODE_WRITE|FMODE_READ: | |
34558513 | 1454 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_WRITE); |
05d564fe AA |
1455 | break; |
1456 | default: | |
1457 | BUG(); | |
1da177e4 LT |
1458 | } |
1459 | } | |
1460 | ||
1461 | static inline void encode_claim_null(struct xdr_stream *xdr, const struct qstr *name) | |
1462 | { | |
8687b63a | 1463 | __be32 *p; |
1da177e4 | 1464 | |
13c65ce9 | 1465 | p = reserve_space(xdr, 4); |
34558513 | 1466 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_NULL); |
1da177e4 LT |
1467 | encode_string(xdr, name->len, name->name); |
1468 | } | |
1469 | ||
bd7bf9d5 | 1470 | static inline void encode_claim_previous(struct xdr_stream *xdr, fmode_t type) |
1da177e4 | 1471 | { |
8687b63a | 1472 | __be32 *p; |
1da177e4 | 1473 | |
13c65ce9 | 1474 | p = reserve_space(xdr, 4); |
34558513 | 1475 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_PREVIOUS); |
1da177e4 LT |
1476 | encode_delegation_type(xdr, type); |
1477 | } | |
1478 | ||
1479 | static inline void encode_claim_delegate_cur(struct xdr_stream *xdr, const struct qstr *name, const nfs4_stateid *stateid) | |
1480 | { | |
8687b63a | 1481 | __be32 *p; |
1da177e4 | 1482 | |
ea9d23f5 TM |
1483 | p = reserve_space(xdr, 4); |
1484 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_DELEGATE_CUR); | |
1485 | encode_nfs4_stateid(xdr, stateid); | |
1da177e4 LT |
1486 | encode_string(xdr, name->len, name->name); |
1487 | } | |
1488 | ||
d9fc6619 TM |
1489 | static inline void encode_claim_fh(struct xdr_stream *xdr) |
1490 | { | |
1491 | __be32 *p; | |
1492 | ||
1493 | p = reserve_space(xdr, 4); | |
1494 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_FH); | |
1495 | } | |
1496 | ||
1497 | static inline void encode_claim_delegate_cur_fh(struct xdr_stream *xdr, const nfs4_stateid *stateid) | |
1498 | { | |
1499 | __be32 *p; | |
1500 | ||
1501 | p = reserve_space(xdr, 4); | |
1502 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_DELEG_CUR_FH); | |
1503 | encode_nfs4_stateid(xdr, stateid); | |
1504 | } | |
1505 | ||
cf8cdbe5 | 1506 | static void encode_open(struct xdr_stream *xdr, const struct nfs_openargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1507 | { |
ab19b481 | 1508 | encode_op_hdr(xdr, OP_OPEN, decode_open_maxsz, hdr); |
1da177e4 LT |
1509 | encode_openhdr(xdr, arg); |
1510 | encode_opentype(xdr, arg); | |
1511 | switch (arg->claim) { | |
05d564fe AA |
1512 | case NFS4_OPEN_CLAIM_NULL: |
1513 | encode_claim_null(xdr, arg->name); | |
1514 | break; | |
1515 | case NFS4_OPEN_CLAIM_PREVIOUS: | |
1516 | encode_claim_previous(xdr, arg->u.delegation_type); | |
1517 | break; | |
1518 | case NFS4_OPEN_CLAIM_DELEGATE_CUR: | |
1519 | encode_claim_delegate_cur(xdr, arg->name, &arg->u.delegation); | |
1520 | break; | |
d9fc6619 TM |
1521 | case NFS4_OPEN_CLAIM_FH: |
1522 | encode_claim_fh(xdr); | |
1523 | break; | |
1524 | case NFS4_OPEN_CLAIM_DELEG_CUR_FH: | |
1525 | encode_claim_delegate_cur_fh(xdr, &arg->u.delegation); | |
1526 | break; | |
05d564fe AA |
1527 | default: |
1528 | BUG(); | |
1da177e4 | 1529 | } |
1da177e4 LT |
1530 | } |
1531 | ||
cf8cdbe5 | 1532 | static void encode_open_confirm(struct xdr_stream *xdr, const struct nfs_open_confirmargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1533 | { |
ab19b481 | 1534 | encode_op_hdr(xdr, OP_OPEN_CONFIRM, decode_open_confirm_maxsz, hdr); |
ea9d23f5 | 1535 | encode_nfs4_stateid(xdr, arg->stateid); |
4ade9821 | 1536 | encode_nfs4_seqid(xdr, arg->seqid); |
1da177e4 LT |
1537 | } |
1538 | ||
cf8cdbe5 | 1539 | static void encode_open_downgrade(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1540 | { |
ab19b481 | 1541 | encode_op_hdr(xdr, OP_OPEN_DOWNGRADE, decode_open_downgrade_maxsz, hdr); |
566fcec6 | 1542 | encode_nfs4_stateid(xdr, &arg->stateid); |
4ade9821 | 1543 | encode_nfs4_seqid(xdr, arg->seqid); |
6ae37339 | 1544 | encode_share_access(xdr, arg->share_access); |
1da177e4 LT |
1545 | } |
1546 | ||
cf8cdbe5 | 1547 | static void |
d017931c | 1548 | encode_putfh(struct xdr_stream *xdr, const struct nfs_fh *fh, struct compound_hdr *hdr) |
1da177e4 | 1549 | { |
ab19b481 | 1550 | encode_op_hdr(xdr, OP_PUTFH, decode_putfh_maxsz, hdr); |
6fdfb0bc | 1551 | encode_string(xdr, fh->size, fh->data); |
1da177e4 LT |
1552 | } |
1553 | ||
cf8cdbe5 | 1554 | static void encode_putrootfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1555 | { |
ab19b481 | 1556 | encode_op_hdr(xdr, OP_PUTROOTFH, decode_putrootfh_maxsz, hdr); |
1da177e4 LT |
1557 | } |
1558 | ||
3c6b899c AS |
1559 | static void encode_read(struct xdr_stream *xdr, const struct nfs_pgio_args *args, |
1560 | struct compound_hdr *hdr) | |
1da177e4 | 1561 | { |
8687b63a | 1562 | __be32 *p; |
1da177e4 | 1563 | |
ab19b481 | 1564 | encode_op_hdr(xdr, OP_READ, decode_read_maxsz, hdr); |
9b206149 | 1565 | encode_nfs4_stateid(xdr, &args->stateid); |
1da177e4 | 1566 | |
13c65ce9 | 1567 | p = reserve_space(xdr, 12); |
b95be5a9 | 1568 | p = xdr_encode_hyper(p, args->offset); |
34558513 | 1569 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1570 | } |
1571 | ||
cf8cdbe5 | 1572 | static void encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg *readdir, struct rpc_rqst *req, struct compound_hdr *hdr) |
1da177e4 | 1573 | { |
aa9c2669 | 1574 | uint32_t attrs[3] = { |
28331a46 TM |
1575 | FATTR4_WORD0_RDATTR_ERROR, |
1576 | FATTR4_WORD1_MOUNTED_ON_FILEID, | |
1577 | }; | |
6f7a35bd | 1578 | uint32_t dircount = readdir->count >> 1; |
cd93710e | 1579 | __be32 *p, verf[2]; |
d204c5d2 TM |
1580 | uint32_t attrlen = 0; |
1581 | unsigned int i; | |
1da177e4 | 1582 | |
82f2e547 BS |
1583 | if (readdir->plus) { |
1584 | attrs[0] |= FATTR4_WORD0_TYPE|FATTR4_WORD0_CHANGE|FATTR4_WORD0_SIZE| | |
28331a46 | 1585 | FATTR4_WORD0_FSID|FATTR4_WORD0_FILEHANDLE|FATTR4_WORD0_FILEID; |
82f2e547 BS |
1586 | attrs[1] |= FATTR4_WORD1_MODE|FATTR4_WORD1_NUMLINKS|FATTR4_WORD1_OWNER| |
1587 | FATTR4_WORD1_OWNER_GROUP|FATTR4_WORD1_RAWDEV| | |
1588 | FATTR4_WORD1_SPACE_USED|FATTR4_WORD1_TIME_ACCESS| | |
1589 | FATTR4_WORD1_TIME_METADATA|FATTR4_WORD1_TIME_MODIFY; | |
d204c5d2 | 1590 | attrs[2] |= FATTR4_WORD2_SECURITY_LABEL; |
6f7a35bd | 1591 | dircount >>= 1; |
82f2e547 | 1592 | } |
28331a46 TM |
1593 | /* Use mounted_on_fileid only if the server supports it */ |
1594 | if (!(readdir->bitmask[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) | |
1595 | attrs[0] |= FATTR4_WORD0_FILEID; | |
d204c5d2 TM |
1596 | for (i = 0; i < ARRAY_SIZE(attrs); i++) { |
1597 | attrs[i] &= readdir->bitmask[i]; | |
1598 | if (attrs[i] != 0) | |
1599 | attrlen = i+1; | |
1600 | } | |
82f2e547 | 1601 | |
475d4ba0 | 1602 | encode_op_hdr(xdr, OP_READDIR, decode_readdir_maxsz, hdr); |
ff2eb681 | 1603 | encode_uint64(xdr, readdir->cookie); |
cd93710e | 1604 | encode_nfs4_verifier(xdr, &readdir->verifier); |
d204c5d2 | 1605 | p = reserve_space(xdr, 12 + (attrlen << 2)); |
6f7a35bd | 1606 | *p++ = cpu_to_be32(dircount); |
e75bc1c8 | 1607 | *p++ = cpu_to_be32(readdir->count); |
d204c5d2 TM |
1608 | *p++ = cpu_to_be32(attrlen); |
1609 | for (i = 0; i < attrlen; i++) | |
1610 | *p++ = cpu_to_be32(attrs[i]); | |
cd93710e | 1611 | memcpy(verf, readdir->verifier.data, sizeof(verf)); |
aa9c2669 DQ |
1612 | |
1613 | dprintk("%s: cookie = %llu, verifier = %08x:%08x, bitmap = %08x:%08x:%08x\n", | |
44109241 | 1614 | __func__, |
eadf4598 | 1615 | (unsigned long long)readdir->cookie, |
cd93710e | 1616 | verf[0], verf[1], |
eadf4598 | 1617 | attrs[0] & readdir->bitmask[0], |
aa9c2669 DQ |
1618 | attrs[1] & readdir->bitmask[1], |
1619 | attrs[2] & readdir->bitmask[2]); | |
1da177e4 LT |
1620 | } |
1621 | ||
cf8cdbe5 | 1622 | static void encode_readlink(struct xdr_stream *xdr, const struct nfs4_readlink *readlink, struct rpc_rqst *req, struct compound_hdr *hdr) |
1da177e4 | 1623 | { |
ab19b481 | 1624 | encode_op_hdr(xdr, OP_READLINK, decode_readlink_maxsz, hdr); |
1da177e4 LT |
1625 | } |
1626 | ||
cf8cdbe5 | 1627 | static void encode_remove(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1628 | { |
ab19b481 | 1629 | encode_op_hdr(xdr, OP_REMOVE, decode_remove_maxsz, hdr); |
6fdfb0bc | 1630 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1631 | } |
1632 | ||
cf8cdbe5 | 1633 | static void encode_rename(struct xdr_stream *xdr, const struct qstr *oldname, const struct qstr *newname, struct compound_hdr *hdr) |
1da177e4 | 1634 | { |
ab19b481 | 1635 | encode_op_hdr(xdr, OP_RENAME, decode_rename_maxsz, hdr); |
811652bd BH |
1636 | encode_string(xdr, oldname->len, oldname->name); |
1637 | encode_string(xdr, newname->len, newname->name); | |
1da177e4 LT |
1638 | } |
1639 | ||
bb4dae5e CL |
1640 | static void encode_renew(struct xdr_stream *xdr, clientid4 clid, |
1641 | struct compound_hdr *hdr) | |
1da177e4 | 1642 | { |
475d4ba0 | 1643 | encode_op_hdr(xdr, OP_RENEW, decode_renew_maxsz, hdr); |
ff2eb681 | 1644 | encode_uint64(xdr, clid); |
1da177e4 LT |
1645 | } |
1646 | ||
cf8cdbe5 | 1647 | static void |
d017931c | 1648 | encode_restorefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
56ae19f3 | 1649 | { |
ab19b481 | 1650 | encode_op_hdr(xdr, OP_RESTOREFH, decode_restorefh_maxsz, hdr); |
56ae19f3 TM |
1651 | } |
1652 | ||
9f06c719 | 1653 | static void |
0096d39b CH |
1654 | encode_setacl(struct xdr_stream *xdr, const struct nfs_setaclargs *arg, |
1655 | struct compound_hdr *hdr) | |
23ec6965 | 1656 | { |
8687b63a | 1657 | __be32 *p; |
23ec6965 | 1658 | |
ab19b481 | 1659 | encode_op_hdr(xdr, OP_SETATTR, decode_setacl_maxsz, hdr); |
ea9d23f5 | 1660 | encode_nfs4_stateid(xdr, &zero_stateid); |
13c65ce9 | 1661 | p = reserve_space(xdr, 2*4); |
e75bc1c8 | 1662 | *p++ = cpu_to_be32(1); |
34558513 | 1663 | *p = cpu_to_be32(FATTR4_WORD0_ACL); |
13c65ce9 | 1664 | p = reserve_space(xdr, 4); |
34558513 | 1665 | *p = cpu_to_be32(arg->acl_len); |
8fbcf237 | 1666 | xdr_write_pages(xdr, arg->acl_pages, 0, arg->acl_len); |
23ec6965 BF |
1667 | } |
1668 | ||
cf8cdbe5 | 1669 | static void |
d017931c | 1670 | encode_savefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1671 | { |
ab19b481 | 1672 | encode_op_hdr(xdr, OP_SAVEFH, decode_savefh_maxsz, hdr); |
1da177e4 LT |
1673 | } |
1674 | ||
cf8cdbe5 | 1675 | static void encode_setattr(struct xdr_stream *xdr, const struct nfs_setattrargs *arg, const struct nfs_server *server, struct compound_hdr *hdr) |
1da177e4 | 1676 | { |
ab19b481 | 1677 | encode_op_hdr(xdr, OP_SETATTR, decode_setattr_maxsz, hdr); |
ea9d23f5 | 1678 | encode_nfs4_stateid(xdr, &arg->stateid); |
28cf22d0 TM |
1679 | encode_attrs(xdr, arg->iap, arg->label, NULL, server, |
1680 | server->attr_bitmask); | |
1da177e4 LT |
1681 | } |
1682 | ||
cf8cdbe5 | 1683 | static void encode_setclientid(struct xdr_stream *xdr, const struct nfs4_setclientid *setclientid, struct compound_hdr *hdr) |
1da177e4 | 1684 | { |
8687b63a | 1685 | __be32 *p; |
1da177e4 | 1686 | |
70019514 | 1687 | encode_op_hdr(xdr, OP_SETCLIENTID, decode_setclientid_maxsz, hdr); |
cd93710e | 1688 | encode_nfs4_verifier(xdr, setclientid->sc_verifier); |
1da177e4 | 1689 | |
3a6bb738 JL |
1690 | encode_string(xdr, strlen(setclientid->sc_clnt->cl_owner_id), |
1691 | setclientid->sc_clnt->cl_owner_id); | |
13c65ce9 | 1692 | p = reserve_space(xdr, 4); |
34558513 | 1693 | *p = cpu_to_be32(setclientid->sc_prog); |
1da177e4 LT |
1694 | encode_string(xdr, setclientid->sc_netid_len, setclientid->sc_netid); |
1695 | encode_string(xdr, setclientid->sc_uaddr_len, setclientid->sc_uaddr); | |
13c65ce9 | 1696 | p = reserve_space(xdr, 4); |
3a6bb738 | 1697 | *p = cpu_to_be32(setclientid->sc_clnt->cl_cb_ident); |
1da177e4 LT |
1698 | } |
1699 | ||
bb8b27e5 | 1700 | static void encode_setclientid_confirm(struct xdr_stream *xdr, const struct nfs4_setclientid_res *arg, struct compound_hdr *hdr) |
1da177e4 | 1701 | { |
475d4ba0 TM |
1702 | encode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM, |
1703 | decode_setclientid_confirm_maxsz, hdr); | |
ff2eb681 | 1704 | encode_uint64(xdr, arg->clientid); |
cd93710e | 1705 | encode_nfs4_verifier(xdr, &arg->confirm); |
1da177e4 LT |
1706 | } |
1707 | ||
3c6b899c AS |
1708 | static void encode_write(struct xdr_stream *xdr, const struct nfs_pgio_args *args, |
1709 | struct compound_hdr *hdr) | |
1da177e4 | 1710 | { |
8687b63a | 1711 | __be32 *p; |
1da177e4 | 1712 | |
ab19b481 | 1713 | encode_op_hdr(xdr, OP_WRITE, decode_write_maxsz, hdr); |
9b206149 | 1714 | encode_nfs4_stateid(xdr, &args->stateid); |
1da177e4 | 1715 | |
13c65ce9 | 1716 | p = reserve_space(xdr, 16); |
b95be5a9 | 1717 | p = xdr_encode_hyper(p, args->offset); |
e75bc1c8 | 1718 | *p++ = cpu_to_be32(args->stable); |
34558513 | 1719 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1720 | |
1721 | xdr_write_pages(xdr, args->pages, args->pgbase, args->count); | |
1da177e4 LT |
1722 | } |
1723 | ||
cf8cdbe5 | 1724 | static void encode_delegreturn(struct xdr_stream *xdr, const nfs4_stateid *stateid, struct compound_hdr *hdr) |
1da177e4 | 1725 | { |
ab19b481 | 1726 | encode_op_hdr(xdr, OP_DELEGRETURN, decode_delegreturn_maxsz, hdr); |
ea9d23f5 | 1727 | encode_nfs4_stateid(xdr, stateid); |
1da177e4 | 1728 | } |
9b7b9fcc | 1729 | |
5a5ea0d4 BS |
1730 | static void encode_secinfo(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1731 | { | |
ab19b481 | 1732 | encode_op_hdr(xdr, OP_SECINFO, decode_secinfo_maxsz, hdr); |
6fdfb0bc | 1733 | encode_string(xdr, name->len, name->name); |
5a5ea0d4 BS |
1734 | } |
1735 | ||
99fe60d0 | 1736 | #if defined(CONFIG_NFS_V4_1) |
9b7b9fcc | 1737 | /* NFSv4.1 operations */ |
7c44f1ae | 1738 | static void encode_bind_conn_to_session(struct xdr_stream *xdr, |
0096d39b | 1739 | const struct nfs41_bind_conn_to_session_args *args, |
7c44f1ae WAA |
1740 | struct compound_hdr *hdr) |
1741 | { | |
1742 | __be32 *p; | |
1743 | ||
1744 | encode_op_hdr(xdr, OP_BIND_CONN_TO_SESSION, | |
1745 | decode_bind_conn_to_session_maxsz, hdr); | |
71a097c6 | 1746 | encode_opaque_fixed(xdr, args->sessionid.data, NFS4_MAX_SESSIONID_LEN); |
7c44f1ae | 1747 | p = xdr_reserve_space(xdr, 8); |
71a097c6 TM |
1748 | *p++ = cpu_to_be32(args->dir); |
1749 | *p = (args->use_conn_in_rdma_mode) ? cpu_to_be32(1) : cpu_to_be32(0); | |
7c44f1ae WAA |
1750 | } |
1751 | ||
0096d39b | 1752 | static void encode_op_map(struct xdr_stream *xdr, const struct nfs4_op_map *op_map) |
2031cd1a WAA |
1753 | { |
1754 | unsigned int i; | |
1755 | encode_uint32(xdr, NFS4_OP_MAP_NUM_WORDS); | |
1756 | for (i = 0; i < NFS4_OP_MAP_NUM_WORDS; i++) | |
1757 | encode_uint32(xdr, op_map->u.words[i]); | |
1758 | } | |
1759 | ||
99fe60d0 | 1760 | static void encode_exchange_id(struct xdr_stream *xdr, |
0096d39b | 1761 | const struct nfs41_exchange_id_args *args, |
99fe60d0 BH |
1762 | struct compound_hdr *hdr) |
1763 | { | |
1764 | __be32 *p; | |
d751f748 | 1765 | char impl_name[IMPL_NAME_LIMIT]; |
db8ac8ba | 1766 | int len = 0; |
99fe60d0 | 1767 | |
70019514 | 1768 | encode_op_hdr(xdr, OP_EXCHANGE_ID, decode_exchange_id_maxsz, hdr); |
cd93710e | 1769 | encode_nfs4_verifier(xdr, args->verifier); |
99fe60d0 | 1770 | |
3a6bb738 JL |
1771 | encode_string(xdr, strlen(args->client->cl_owner_id), |
1772 | args->client->cl_owner_id); | |
99fe60d0 | 1773 | |
2031cd1a WAA |
1774 | encode_uint32(xdr, args->flags); |
1775 | encode_uint32(xdr, args->state_protect.how); | |
1776 | ||
1777 | switch (args->state_protect.how) { | |
1778 | case SP4_NONE: | |
1779 | break; | |
1780 | case SP4_MACH_CRED: | |
1781 | encode_op_map(xdr, &args->state_protect.enforce); | |
1782 | encode_op_map(xdr, &args->state_protect.allow); | |
1783 | break; | |
1784 | default: | |
1785 | WARN_ON_ONCE(1); | |
1786 | break; | |
1787 | } | |
db8ac8ba WAA |
1788 | |
1789 | if (send_implementation_id && | |
1790 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) > 1 && | |
1791 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) | |
d751f748 | 1792 | <= sizeof(impl_name) + 1) |
db8ac8ba WAA |
1793 | len = snprintf(impl_name, sizeof(impl_name), "%s %s %s %s", |
1794 | utsname()->sysname, utsname()->release, | |
1795 | utsname()->version, utsname()->machine); | |
1796 | ||
1797 | if (len > 0) { | |
2031cd1a | 1798 | encode_uint32(xdr, 1); /* implementation id array length=1 */ |
db8ac8ba WAA |
1799 | |
1800 | encode_string(xdr, | |
1801 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) - 1, | |
1802 | CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN); | |
1803 | encode_string(xdr, len, impl_name); | |
1804 | /* just send zeros for nii_date - the date is in nii_name */ | |
1805 | p = reserve_space(xdr, 12); | |
1806 | p = xdr_encode_hyper(p, 0); | |
1807 | *p = cpu_to_be32(0); | |
1808 | } else | |
2031cd1a | 1809 | encode_uint32(xdr, 0); /* implementation id array length=0 */ |
99fe60d0 | 1810 | } |
fc931582 AA |
1811 | |
1812 | static void encode_create_session(struct xdr_stream *xdr, | |
0096d39b | 1813 | const struct nfs41_create_session_args *args, |
fc931582 AA |
1814 | struct compound_hdr *hdr) |
1815 | { | |
1816 | __be32 *p; | |
fc931582 | 1817 | struct nfs_client *clp = args->client; |
89f0ff38 | 1818 | struct rpc_clnt *clnt = clp->cl_rpcclient; |
f092075d | 1819 | struct nfs_net *nn = net_generic(clp->cl_net, nfs_net_id); |
8e0d46e1 MS |
1820 | u32 max_resp_sz_cached; |
1821 | ||
1822 | /* | |
1823 | * Assumes OPEN is the biggest non-idempotent compound. | |
1824 | * 2 is the verifier. | |
1825 | */ | |
1826 | max_resp_sz_cached = (NFS4_dec_open_sz + RPC_REPHDRSIZE + | |
1827 | RPC_MAX_AUTH_SIZE + 2) * XDR_UNIT; | |
fc931582 | 1828 | |
475d4ba0 | 1829 | encode_op_hdr(xdr, OP_CREATE_SESSION, decode_create_session_maxsz, hdr); |
89f0ff38 | 1830 | p = reserve_space(xdr, 16 + 2*28 + 20 + clnt->cl_nodelen + 12); |
79969dd1 TM |
1831 | p = xdr_encode_hyper(p, args->clientid); |
1832 | *p++ = cpu_to_be32(args->seqid); /*Sequence id */ | |
e75bc1c8 | 1833 | *p++ = cpu_to_be32(args->flags); /*flags */ |
fc931582 | 1834 | |
fc931582 | 1835 | /* Fore Channel */ |
c9c30dd5 | 1836 | *p++ = cpu_to_be32(0); /* header padding size */ |
e75bc1c8 BH |
1837 | *p++ = cpu_to_be32(args->fc_attrs.max_rqst_sz); /* max req size */ |
1838 | *p++ = cpu_to_be32(args->fc_attrs.max_resp_sz); /* max resp size */ | |
8e0d46e1 | 1839 | *p++ = cpu_to_be32(max_resp_sz_cached); /* Max resp sz cached */ |
e75bc1c8 BH |
1840 | *p++ = cpu_to_be32(args->fc_attrs.max_ops); /* max operations */ |
1841 | *p++ = cpu_to_be32(args->fc_attrs.max_reqs); /* max requests */ | |
1842 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ | |
fc931582 AA |
1843 | |
1844 | /* Back Channel */ | |
c9c30dd5 | 1845 | *p++ = cpu_to_be32(0); /* header padding size */ |
e75bc1c8 BH |
1846 | *p++ = cpu_to_be32(args->bc_attrs.max_rqst_sz); /* max req size */ |
1847 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz); /* max resp size */ | |
1848 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz_cached); /* Max resp sz cached */ | |
1849 | *p++ = cpu_to_be32(args->bc_attrs.max_ops); /* max operations */ | |
1850 | *p++ = cpu_to_be32(args->bc_attrs.max_reqs); /* max requests */ | |
1851 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ | |
fc931582 | 1852 | |
e75bc1c8 | 1853 | *p++ = cpu_to_be32(args->cb_program); /* cb_program */ |
e75bc1c8 | 1854 | *p++ = cpu_to_be32(1); |
e75bc1c8 | 1855 | *p++ = cpu_to_be32(RPC_AUTH_UNIX); /* auth_sys */ |
fc931582 AA |
1856 | |
1857 | /* authsys_parms rfc1831 */ | |
2f86e091 | 1858 | *p++ = cpu_to_be32(ktime_to_ns(nn->boot_time)); /* stamp */ |
89f0ff38 | 1859 | p = xdr_encode_array(p, clnt->cl_nodename, clnt->cl_nodelen); |
e75bc1c8 BH |
1860 | *p++ = cpu_to_be32(0); /* UID */ |
1861 | *p++ = cpu_to_be32(0); /* GID */ | |
34558513 | 1862 | *p = cpu_to_be32(0); /* No more gids */ |
fc931582 | 1863 | } |
0f3e66c6 AA |
1864 | |
1865 | static void encode_destroy_session(struct xdr_stream *xdr, | |
0096d39b | 1866 | const struct nfs4_session *session, |
0f3e66c6 AA |
1867 | struct compound_hdr *hdr) |
1868 | { | |
475d4ba0 TM |
1869 | encode_op_hdr(xdr, OP_DESTROY_SESSION, decode_destroy_session_maxsz, hdr); |
1870 | encode_opaque_fixed(xdr, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); | |
0f3e66c6 | 1871 | } |
18019753 | 1872 | |
66245539 TM |
1873 | static void encode_destroy_clientid(struct xdr_stream *xdr, |
1874 | uint64_t clientid, | |
1875 | struct compound_hdr *hdr) | |
1876 | { | |
1877 | encode_op_hdr(xdr, OP_DESTROY_CLIENTID, decode_destroy_clientid_maxsz, hdr); | |
1878 | encode_uint64(xdr, clientid); | |
1879 | } | |
1880 | ||
18019753 | 1881 | static void encode_reclaim_complete(struct xdr_stream *xdr, |
0096d39b | 1882 | const struct nfs41_reclaim_complete_args *args, |
18019753 RL |
1883 | struct compound_hdr *hdr) |
1884 | { | |
475d4ba0 TM |
1885 | encode_op_hdr(xdr, OP_RECLAIM_COMPLETE, decode_reclaim_complete_maxsz, hdr); |
1886 | encode_uint32(xdr, args->one_fs); | |
18019753 | 1887 | } |
99fe60d0 BH |
1888 | #endif /* CONFIG_NFS_V4_1 */ |
1889 | ||
9b7b9fcc AA |
1890 | static void encode_sequence(struct xdr_stream *xdr, |
1891 | const struct nfs4_sequence_args *args, | |
1892 | struct compound_hdr *hdr) | |
1893 | { | |
1894 | #if defined(CONFIG_NFS_V4_1) | |
2b2fa717 | 1895 | struct nfs4_session *session; |
fc01cea9 | 1896 | struct nfs4_slot_table *tp; |
2b2fa717 | 1897 | struct nfs4_slot *slot = args->sa_slot; |
fc01cea9 | 1898 | __be32 *p; |
9b7b9fcc | 1899 | |
2b2fa717 TM |
1900 | tp = slot->table; |
1901 | session = tp->session; | |
3bd2384a CL |
1902 | if (!session) |
1903 | return; | |
fc01cea9 | 1904 | |
475d4ba0 | 1905 | encode_op_hdr(xdr, OP_SEQUENCE, decode_sequence_maxsz, hdr); |
fc01cea9 AA |
1906 | |
1907 | /* | |
1908 | * Sessionid + seqid + slotid + max slotid + cache_this | |
1909 | */ | |
1910 | dprintk("%s: sessionid=%u:%u:%u:%u seqid=%d slotid=%d " | |
1911 | "max_slotid=%d cache_this=%d\n", | |
1912 | __func__, | |
1913 | ((u32 *)session->sess_id.data)[0], | |
1914 | ((u32 *)session->sess_id.data)[1], | |
1915 | ((u32 *)session->sess_id.data)[2], | |
1916 | ((u32 *)session->sess_id.data)[3], | |
2b2fa717 | 1917 | slot->seq_nr, slot->slot_nr, |
fc01cea9 | 1918 | tp->highest_used_slotid, args->sa_cache_this); |
475d4ba0 | 1919 | p = reserve_space(xdr, NFS4_MAX_SESSIONID_LEN + 16); |
93f0cf25 | 1920 | p = xdr_encode_opaque_fixed(p, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); |
e75bc1c8 | 1921 | *p++ = cpu_to_be32(slot->seq_nr); |
2b2fa717 | 1922 | *p++ = cpu_to_be32(slot->slot_nr); |
e75bc1c8 | 1923 | *p++ = cpu_to_be32(tp->highest_used_slotid); |
34558513 | 1924 | *p = cpu_to_be32(args->sa_cache_this); |
9b7b9fcc AA |
1925 | #endif /* CONFIG_NFS_V4_1 */ |
1926 | } | |
1927 | ||
b1f69b75 AA |
1928 | #ifdef CONFIG_NFS_V4_1 |
1929 | static void | |
1930 | encode_getdeviceinfo(struct xdr_stream *xdr, | |
1931 | const struct nfs4_getdeviceinfo_args *args, | |
1932 | struct compound_hdr *hdr) | |
1933 | { | |
1934 | __be32 *p; | |
1935 | ||
475d4ba0 | 1936 | encode_op_hdr(xdr, OP_GETDEVICEINFO, decode_getdeviceinfo_maxsz, hdr); |
84c9dee3 | 1937 | p = reserve_space(xdr, NFS4_DEVICEID4_SIZE + 4 + 4); |
b1f69b75 AA |
1938 | p = xdr_encode_opaque_fixed(p, args->pdev->dev_id.data, |
1939 | NFS4_DEVICEID4_SIZE); | |
1940 | *p++ = cpu_to_be32(args->pdev->layout_type); | |
f1c097be | 1941 | *p++ = cpu_to_be32(args->pdev->maxcount); /* gdia_maxcount */ |
84c9dee3 CH |
1942 | |
1943 | p = reserve_space(xdr, 4 + 4); | |
1944 | *p++ = cpu_to_be32(1); /* bitmap length */ | |
4e590803 | 1945 | *p++ = cpu_to_be32(args->notify_types); |
b1f69b75 AA |
1946 | } |
1947 | ||
1948 | static void | |
1949 | encode_layoutget(struct xdr_stream *xdr, | |
1950 | const struct nfs4_layoutget_args *args, | |
1951 | struct compound_hdr *hdr) | |
1952 | { | |
b1f69b75 AA |
1953 | __be32 *p; |
1954 | ||
475d4ba0 TM |
1955 | encode_op_hdr(xdr, OP_LAYOUTGET, decode_layoutget_maxsz, hdr); |
1956 | p = reserve_space(xdr, 36); | |
b1f69b75 AA |
1957 | *p++ = cpu_to_be32(0); /* Signal layout available */ |
1958 | *p++ = cpu_to_be32(args->type); | |
1959 | *p++ = cpu_to_be32(args->range.iomode); | |
1960 | p = xdr_encode_hyper(p, args->range.offset); | |
1961 | p = xdr_encode_hyper(p, args->range.length); | |
1962 | p = xdr_encode_hyper(p, args->minlength); | |
ea9d23f5 | 1963 | encode_nfs4_stateid(xdr, &args->stateid); |
475d4ba0 | 1964 | encode_uint32(xdr, args->maxcount); |
b1f69b75 AA |
1965 | |
1966 | dprintk("%s: 1st type:0x%x iomode:%d off:%lu len:%lu mc:%d\n", | |
1967 | __func__, | |
1968 | args->type, | |
1969 | args->range.iomode, | |
1970 | (unsigned long)args->range.offset, | |
1971 | (unsigned long)args->range.length, | |
1972 | args->maxcount); | |
b1f69b75 | 1973 | } |
863a3c6c AA |
1974 | |
1975 | static int | |
1976 | encode_layoutcommit(struct xdr_stream *xdr, | |
ac7db726 | 1977 | struct inode *inode, |
0096d39b | 1978 | const struct nfs4_layoutcommit_args *args, |
863a3c6c AA |
1979 | struct compound_hdr *hdr) |
1980 | { | |
1981 | __be32 *p; | |
1982 | ||
1983 | dprintk("%s: lbw: %llu type: %d\n", __func__, args->lastbytewritten, | |
1984 | NFS_SERVER(args->inode)->pnfs_curr_ld->id); | |
1985 | ||
475d4ba0 TM |
1986 | encode_op_hdr(xdr, OP_LAYOUTCOMMIT, decode_layoutcommit_maxsz, hdr); |
1987 | p = reserve_space(xdr, 20); | |
863a3c6c AA |
1988 | /* Only whole file layouts */ |
1989 | p = xdr_encode_hyper(p, 0); /* offset */ | |
3557c6c3 | 1990 | p = xdr_encode_hyper(p, args->lastbytewritten + 1); /* length */ |
ea9d23f5 TM |
1991 | *p = cpu_to_be32(0); /* reclaim */ |
1992 | encode_nfs4_stateid(xdr, &args->stateid); | |
2e18d4d8 TM |
1993 | if (args->lastbytewritten != U64_MAX) { |
1994 | p = reserve_space(xdr, 20); | |
1995 | *p++ = cpu_to_be32(1); /* newoffset = TRUE */ | |
1996 | p = xdr_encode_hyper(p, args->lastbytewritten); | |
1997 | } else { | |
1998 | p = reserve_space(xdr, 12); | |
1999 | *p++ = cpu_to_be32(0); /* newoffset = FALSE */ | |
2000 | } | |
863a3c6c AA |
2001 | *p++ = cpu_to_be32(0); /* Never send time_modify_changed */ |
2002 | *p++ = cpu_to_be32(NFS_SERVER(args->inode)->pnfs_curr_ld->id);/* type */ | |
ac7db726 | 2003 | |
73504740 TM |
2004 | encode_uint32(xdr, args->layoutupdate_len); |
2005 | if (args->layoutupdate_pages) | |
2006 | xdr_write_pages(xdr, args->layoutupdate_pages, 0, | |
2007 | args->layoutupdate_len); | |
863a3c6c | 2008 | |
863a3c6c AA |
2009 | return 0; |
2010 | } | |
cbe82603 BH |
2011 | |
2012 | static void | |
2013 | encode_layoutreturn(struct xdr_stream *xdr, | |
2014 | const struct nfs4_layoutreturn_args *args, | |
2015 | struct compound_hdr *hdr) | |
2016 | { | |
2017 | __be32 *p; | |
2018 | ||
475d4ba0 TM |
2019 | encode_op_hdr(xdr, OP_LAYOUTRETURN, decode_layoutreturn_maxsz, hdr); |
2020 | p = reserve_space(xdr, 16); | |
cbe82603 BH |
2021 | *p++ = cpu_to_be32(0); /* reclaim. always 0 for now */ |
2022 | *p++ = cpu_to_be32(args->layout_type); | |
15eb67c1 | 2023 | *p++ = cpu_to_be32(args->range.iomode); |
cbe82603 | 2024 | *p = cpu_to_be32(RETURN_FILE); |
ea9d23f5 | 2025 | p = reserve_space(xdr, 16); |
15eb67c1 PT |
2026 | p = xdr_encode_hyper(p, args->range.offset); |
2027 | p = xdr_encode_hyper(p, args->range.length); | |
cbe82603 | 2028 | spin_lock(&args->inode->i_lock); |
ea9d23f5 | 2029 | encode_nfs4_stateid(xdr, &args->stateid); |
cbe82603 | 2030 | spin_unlock(&args->inode->i_lock); |
4d796d75 TM |
2031 | if (args->ld_private->ops && args->ld_private->ops->encode) |
2032 | args->ld_private->ops->encode(xdr, args, args->ld_private); | |
94e5c571 | 2033 | else |
475d4ba0 | 2034 | encode_uint32(xdr, 0); |
cbe82603 | 2035 | } |
fca78d6d BS |
2036 | |
2037 | static int | |
2038 | encode_secinfo_no_name(struct xdr_stream *xdr, | |
2039 | const struct nfs41_secinfo_no_name_args *args, | |
2040 | struct compound_hdr *hdr) | |
2041 | { | |
475d4ba0 TM |
2042 | encode_op_hdr(xdr, OP_SECINFO_NO_NAME, decode_secinfo_no_name_maxsz, hdr); |
2043 | encode_uint32(xdr, args->style); | |
fca78d6d BS |
2044 | return 0; |
2045 | } | |
7d974794 BS |
2046 | |
2047 | static void encode_test_stateid(struct xdr_stream *xdr, | |
0096d39b | 2048 | const struct nfs41_test_stateid_args *args, |
7d974794 BS |
2049 | struct compound_hdr *hdr) |
2050 | { | |
475d4ba0 TM |
2051 | encode_op_hdr(xdr, OP_TEST_STATEID, decode_test_stateid_maxsz, hdr); |
2052 | encode_uint32(xdr, 1); | |
ea9d23f5 | 2053 | encode_nfs4_stateid(xdr, args->stateid); |
7d974794 | 2054 | } |
9aeda35f BS |
2055 | |
2056 | static void encode_free_stateid(struct xdr_stream *xdr, | |
0096d39b | 2057 | const struct nfs41_free_stateid_args *args, |
9aeda35f BS |
2058 | struct compound_hdr *hdr) |
2059 | { | |
ab19b481 | 2060 | encode_op_hdr(xdr, OP_FREE_STATEID, decode_free_stateid_maxsz, hdr); |
7c1d5fae | 2061 | encode_nfs4_stateid(xdr, &args->stateid); |
9aeda35f | 2062 | } |
cf805165 TM |
2063 | #else |
2064 | static inline void | |
2065 | encode_layoutreturn(struct xdr_stream *xdr, | |
2066 | const struct nfs4_layoutreturn_args *args, | |
2067 | struct compound_hdr *hdr) | |
2068 | { | |
2069 | } | |
b1f69b75 AA |
2070 | #endif /* CONFIG_NFS_V4_1 */ |
2071 | ||
1da177e4 LT |
2072 | /* |
2073 | * END OF "GENERIC" ENCODE ROUTINES. | |
2074 | */ | |
2075 | ||
66cc0429 BH |
2076 | static u32 nfs4_xdr_minorversion(const struct nfs4_sequence_args *args) |
2077 | { | |
2078 | #if defined(CONFIG_NFS_V4_1) | |
3bd2384a CL |
2079 | struct nfs4_session *session = args->sa_slot->table->session; |
2080 | if (session) | |
2081 | return session->clp->cl_mvops->minor_version; | |
66cc0429 BH |
2082 | #endif /* CONFIG_NFS_V4_1 */ |
2083 | return 0; | |
2084 | } | |
2085 | ||
1da177e4 LT |
2086 | /* |
2087 | * Encode an ACCESS request | |
2088 | */ | |
9f06c719 | 2089 | static void nfs4_xdr_enc_access(struct rpc_rqst *req, struct xdr_stream *xdr, |
0096d39b | 2090 | const void *data) |
1da177e4 | 2091 | { |
0096d39b | 2092 | const struct nfs4_accessargs *args = data; |
1da177e4 | 2093 | struct compound_hdr hdr = { |
66cc0429 | 2094 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2095 | }; |
1da177e4 | 2096 | |
9f06c719 CL |
2097 | encode_compound_hdr(xdr, req, &hdr); |
2098 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2099 | encode_putfh(xdr, args->fh, &hdr); | |
2100 | encode_access(xdr, args->access, &hdr); | |
2101 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2102 | encode_nops(&hdr); |
1da177e4 LT |
2103 | } |
2104 | ||
2105 | /* | |
2106 | * Encode LOOKUP request | |
2107 | */ | |
9f06c719 | 2108 | static void nfs4_xdr_enc_lookup(struct rpc_rqst *req, struct xdr_stream *xdr, |
0096d39b | 2109 | const void *data) |
1da177e4 | 2110 | { |
0096d39b | 2111 | const struct nfs4_lookup_arg *args = data; |
1da177e4 | 2112 | struct compound_hdr hdr = { |
66cc0429 | 2113 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2114 | }; |
1da177e4 | 2115 | |
9f06c719 CL |
2116 | encode_compound_hdr(xdr, req, &hdr); |
2117 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2118 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2119 | encode_lookup(xdr, args->name, &hdr); | |
2120 | encode_getfh(xdr, &hdr); | |
2121 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2122 | encode_nops(&hdr); |
1da177e4 LT |
2123 | } |
2124 | ||
2125 | /* | |
2126 | * Encode LOOKUP_ROOT request | |
2127 | */ | |
9f06c719 CL |
2128 | static void nfs4_xdr_enc_lookup_root(struct rpc_rqst *req, |
2129 | struct xdr_stream *xdr, | |
0096d39b | 2130 | const void *data) |
1da177e4 | 2131 | { |
0096d39b | 2132 | const struct nfs4_lookup_root_arg *args = data; |
1da177e4 | 2133 | struct compound_hdr hdr = { |
66cc0429 | 2134 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2135 | }; |
1da177e4 | 2136 | |
9f06c719 CL |
2137 | encode_compound_hdr(xdr, req, &hdr); |
2138 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2139 | encode_putrootfh(xdr, &hdr); | |
2140 | encode_getfh(xdr, &hdr); | |
2141 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2142 | encode_nops(&hdr); |
1da177e4 LT |
2143 | } |
2144 | ||
2145 | /* | |
2146 | * Encode REMOVE request | |
2147 | */ | |
9f06c719 | 2148 | static void nfs4_xdr_enc_remove(struct rpc_rqst *req, struct xdr_stream *xdr, |
0096d39b | 2149 | const void *data) |
1da177e4 | 2150 | { |
0096d39b | 2151 | const struct nfs_removeargs *args = data; |
1da177e4 | 2152 | struct compound_hdr hdr = { |
66cc0429 | 2153 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2154 | }; |
1da177e4 | 2155 | |
9f06c719 CL |
2156 | encode_compound_hdr(xdr, req, &hdr); |
2157 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2158 | encode_putfh(xdr, args->fh, &hdr); | |
2159 | encode_remove(xdr, &args->name, &hdr); | |
d017931c | 2160 | encode_nops(&hdr); |
1da177e4 LT |
2161 | } |
2162 | ||
2163 | /* | |
2164 | * Encode RENAME request | |
2165 | */ | |
9f06c719 | 2166 | static void nfs4_xdr_enc_rename(struct rpc_rqst *req, struct xdr_stream *xdr, |
0096d39b | 2167 | const void *data) |
1da177e4 | 2168 | { |
0096d39b | 2169 | const struct nfs_renameargs *args = data; |
1da177e4 | 2170 | struct compound_hdr hdr = { |
66cc0429 | 2171 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2172 | }; |
1da177e4 | 2173 | |
9f06c719 CL |
2174 | encode_compound_hdr(xdr, req, &hdr); |
2175 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2176 | encode_putfh(xdr, args->old_dir, &hdr); | |
2177 | encode_savefh(xdr, &hdr); | |
2178 | encode_putfh(xdr, args->new_dir, &hdr); | |
2179 | encode_rename(xdr, args->old_name, args->new_name, &hdr); | |
d017931c | 2180 | encode_nops(&hdr); |
1da177e4 LT |
2181 | } |
2182 | ||
2183 | /* | |
2184 | * Encode LINK request | |
2185 | */ | |
9f06c719 | 2186 | static void nfs4_xdr_enc_link(struct rpc_rqst *req, struct xdr_stream *xdr, |
0096d39b | 2187 | const void *data) |
1da177e4 | 2188 | { |
0096d39b | 2189 | const struct nfs4_link_arg *args = data; |
1da177e4 | 2190 | struct compound_hdr hdr = { |
66cc0429 | 2191 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2192 | }; |
1da177e4 | 2193 | |
9f06c719 CL |
2194 | encode_compound_hdr(xdr, req, &hdr); |
2195 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2196 | encode_putfh(xdr, args->fh, &hdr); | |
2197 | encode_savefh(xdr, &hdr); | |
2198 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2199 | encode_link(xdr, args->name, &hdr); | |
9f06c719 CL |
2200 | encode_restorefh(xdr, &hdr); |
2201 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2202 | encode_nops(&hdr); |
1da177e4 LT |
2203 | } |
2204 | ||
2205 | /* | |
2206 | * Encode CREATE request | |
2207 | */ | |
9f06c719 | 2208 | static void nfs4_xdr_enc_create(struct rpc_rqst *req, struct xdr_stream *xdr, |
0096d39b | 2209 | const void *data) |
1da177e4 | 2210 | { |
0096d39b | 2211 | const struct nfs4_create_arg *args = data; |
1da177e4 | 2212 | struct compound_hdr hdr = { |
66cc0429 | 2213 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2214 | }; |
1da177e4 | 2215 | |
9f06c719 CL |
2216 | encode_compound_hdr(xdr, req, &hdr); |
2217 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2218 | encode_putfh(xdr, args->dir_fh, &hdr); | |
9f06c719 CL |
2219 | encode_create(xdr, args, &hdr); |
2220 | encode_getfh(xdr, &hdr); | |
2221 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2222 | encode_nops(&hdr); |
1da177e4 LT |
2223 | } |
2224 | ||
2225 | /* | |
2226 | * Encode SYMLINK request | |
2227 | */ | |
9f06c719 | 2228 | static void nfs4_xdr_enc_symlink(struct rpc_rqst *req, struct xdr_stream *xdr, |
0096d39b | 2229 | const void *data) |
1da177e4 | 2230 | { |
0096d39b CH |
2231 | const struct nfs4_create_arg *args = data; |
2232 | ||
9f06c719 | 2233 | nfs4_xdr_enc_create(req, xdr, args); |
1da177e4 LT |
2234 | } |
2235 | ||
2236 | /* | |
2237 | * Encode GETATTR request | |
2238 | */ | |
9f06c719 | 2239 | static void nfs4_xdr_enc_getattr(struct rpc_rqst *req, struct xdr_stream *xdr, |
0096d39b | 2240 | const void *data) |
1da177e4 | 2241 | { |
0096d39b | 2242 | const struct nfs4_getattr_arg *args = data; |
1da177e4 | 2243 | struct compound_hdr hdr = { |
66cc0429 | 2244 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2245 | }; |
1da177e4 | 2246 | |
9f06c719 CL |
2247 | encode_compound_hdr(xdr, req, &hdr); |
2248 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2249 | encode_putfh(xdr, args->fh, &hdr); | |
2250 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2251 | encode_nops(&hdr); |
1da177e4 LT |
2252 | } |
2253 | ||
2254 | /* | |
2255 | * Encode a CLOSE request | |
2256 | */ | |
9f06c719 | 2257 | static void nfs4_xdr_enc_close(struct rpc_rqst *req, struct xdr_stream *xdr, |
0096d39b | 2258 | const void *data) |
1da177e4 | 2259 | { |
0096d39b | 2260 | const struct nfs_closeargs *args = data; |
05d564fe | 2261 | struct compound_hdr hdr = { |
66cc0429 | 2262 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 2263 | }; |
05d564fe | 2264 | |
9f06c719 CL |
2265 | encode_compound_hdr(xdr, req, &hdr); |
2266 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2267 | encode_putfh(xdr, args->fh, &hdr); | |
cf805165 TM |
2268 | if (args->lr_args) |
2269 | encode_layoutreturn(xdr, args->lr_args, &hdr); | |
3ecefc92 TM |
2270 | if (args->bitmask != NULL) |
2271 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d8d84983 | 2272 | encode_close(xdr, args, &hdr); |
d017931c | 2273 | encode_nops(&hdr); |
1da177e4 LT |
2274 | } |
2275 | ||
2276 | /* | |
2277 | * Encode an OPEN request | |
2278 | */ | |
9f06c719 | 2279 | static void nfs4_xdr_enc_open(struct rpc_rqst *req, struct xdr_stream *xdr, |
0096d39b | 2280 | const void *data) |
1da177e4 | 2281 | { |
0096d39b | 2282 | const struct nfs_openargs *args = data; |
1da177e4 | 2283 | struct compound_hdr hdr = { |
66cc0429 | 2284 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2285 | }; |
1da177e4 | 2286 | |
9f06c719 CL |
2287 | encode_compound_hdr(xdr, req, &hdr); |
2288 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2289 | encode_putfh(xdr, args->fh, &hdr); | |
9f06c719 CL |
2290 | encode_open(xdr, args, &hdr); |
2291 | encode_getfh(xdr, &hdr); | |
ae2bb032 WAA |
2292 | if (args->access) |
2293 | encode_access(xdr, args->access, &hdr); | |
1549210f | 2294 | encode_getfattr_open(xdr, args->bitmask, args->open_bitmap, &hdr); |
d017931c | 2295 | encode_nops(&hdr); |
1da177e4 LT |
2296 | } |
2297 | ||
2298 | /* | |
2299 | * Encode an OPEN_CONFIRM request | |
2300 | */ | |
9f06c719 CL |
2301 | static void nfs4_xdr_enc_open_confirm(struct rpc_rqst *req, |
2302 | struct xdr_stream *xdr, | |
0096d39b | 2303 | const void *data) |
1da177e4 | 2304 | { |
0096d39b | 2305 | const struct nfs_open_confirmargs *args = data; |
1da177e4 | 2306 | struct compound_hdr hdr = { |
d017931c | 2307 | .nops = 0, |
1da177e4 | 2308 | }; |
1da177e4 | 2309 | |
9f06c719 CL |
2310 | encode_compound_hdr(xdr, req, &hdr); |
2311 | encode_putfh(xdr, args->fh, &hdr); | |
2312 | encode_open_confirm(xdr, args, &hdr); | |
d017931c | 2313 | encode_nops(&hdr); |
1da177e4 LT |
2314 | } |
2315 | ||
2316 | /* | |
2317 | * Encode an OPEN request with no attributes. | |
2318 | */ | |
9f06c719 CL |
2319 | static void nfs4_xdr_enc_open_noattr(struct rpc_rqst *req, |
2320 | struct xdr_stream *xdr, | |
0096d39b | 2321 | const void *data) |
1da177e4 | 2322 | { |
0096d39b | 2323 | const struct nfs_openargs *args = data; |
1da177e4 | 2324 | struct compound_hdr hdr = { |
66cc0429 | 2325 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2326 | }; |
1da177e4 | 2327 | |
9f06c719 CL |
2328 | encode_compound_hdr(xdr, req, &hdr); |
2329 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2330 | encode_putfh(xdr, args->fh, &hdr); | |
2331 | encode_open(xdr, args, &hdr); | |
ae2bb032 WAA |
2332 | if (args->access) |
2333 | encode_access(xdr, args->access, &hdr); | |
e23008ec | 2334 | encode_getfattr_open(xdr, args->bitmask, args->open_bitmap, &hdr); |
d017931c | 2335 | encode_nops(&hdr); |
1da177e4 LT |
2336 | } |
2337 | ||
2338 | /* | |
2339 | * Encode an OPEN_DOWNGRADE request | |
2340 | */ | |
9f06c719 CL |
2341 | static void nfs4_xdr_enc_open_downgrade(struct rpc_rqst *req, |
2342 | struct xdr_stream *xdr, | |
0096d39b | 2343 | const void *data) |
1da177e4 | 2344 | { |
0096d39b | 2345 | const struct nfs_closeargs *args = data; |
1da177e4 | 2346 | struct compound_hdr hdr = { |
66cc0429 | 2347 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2348 | }; |
1da177e4 | 2349 | |
9f06c719 CL |
2350 | encode_compound_hdr(xdr, req, &hdr); |
2351 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2352 | encode_putfh(xdr, args->fh, &hdr); | |
b6808145 TM |
2353 | if (args->lr_args) |
2354 | encode_layoutreturn(xdr, args->lr_args, &hdr); | |
9f06c719 | 2355 | encode_open_downgrade(xdr, args, &hdr); |
d017931c | 2356 | encode_nops(&hdr); |
1da177e4 LT |
2357 | } |
2358 | ||
2359 | /* | |
2360 | * Encode a LOCK request | |
2361 | */ | |
9f06c719 | 2362 | static void nfs4_xdr_enc_lock(struct rpc_rqst *req, struct xdr_stream *xdr, |
0096d39b | 2363 | const void *data) |
1da177e4 | 2364 | { |
0096d39b | 2365 | const struct nfs_lock_args *args = data; |
1da177e4 | 2366 | struct compound_hdr hdr = { |
66cc0429 | 2367 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2368 | }; |
1da177e4 | 2369 | |
9f06c719 CL |
2370 | encode_compound_hdr(xdr, req, &hdr); |
2371 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2372 | encode_putfh(xdr, args->fh, &hdr); | |
2373 | encode_lock(xdr, args, &hdr); | |
d017931c | 2374 | encode_nops(&hdr); |
1da177e4 LT |
2375 | } |
2376 | ||
2377 | /* | |
2378 | * Encode a LOCKT request | |
2379 | */ | |
9f06c719 | 2380 | static void nfs4_xdr_enc_lockt(struct rpc_rqst *req, struct xdr_stream *xdr, |
0096d39b | 2381 | const void *data) |
1da177e4 | 2382 | { |
0096d39b | 2383 | const struct nfs_lockt_args *args = data; |
1da177e4 | 2384 | struct compound_hdr hdr = { |
66cc0429 | 2385 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2386 | }; |
1da177e4 | 2387 | |
9f06c719 CL |
2388 | encode_compound_hdr(xdr, req, &hdr); |
2389 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2390 | encode_putfh(xdr, args->fh, &hdr); | |
2391 | encode_lockt(xdr, args, &hdr); | |
d017931c | 2392 | encode_nops(&hdr); |
1da177e4 LT |
2393 | } |
2394 | ||
2395 | /* | |
2396 | * Encode a LOCKU request | |
2397 | */ | |
9f06c719 | 2398 | static void nfs4_xdr_enc_locku(struct rpc_rqst *req, struct xdr_stream *xdr, |
0096d39b | 2399 | const void *data) |
1da177e4 | 2400 | { |
0096d39b | 2401 | const struct nfs_locku_args *args = data; |
1da177e4 | 2402 | struct compound_hdr hdr = { |
66cc0429 | 2403 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2404 | }; |
1da177e4 | 2405 | |
9f06c719 CL |
2406 | encode_compound_hdr(xdr, req, &hdr); |
2407 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2408 | encode_putfh(xdr, args->fh, &hdr); | |
2409 | encode_locku(xdr, args, &hdr); | |
d017931c | 2410 | encode_nops(&hdr); |
1da177e4 LT |
2411 | } |
2412 | ||
9f06c719 CL |
2413 | static void nfs4_xdr_enc_release_lockowner(struct rpc_rqst *req, |
2414 | struct xdr_stream *xdr, | |
0096d39b | 2415 | const void *data) |
d3c7b7cc | 2416 | { |
0096d39b | 2417 | const struct nfs_release_lockowner_args *args = data; |
d3c7b7cc TM |
2418 | struct compound_hdr hdr = { |
2419 | .minorversion = 0, | |
2420 | }; | |
2421 | ||
9f06c719 CL |
2422 | encode_compound_hdr(xdr, req, &hdr); |
2423 | encode_release_lockowner(xdr, &args->lock_owner, &hdr); | |
d3c7b7cc | 2424 | encode_nops(&hdr); |
d3c7b7cc TM |
2425 | } |
2426 | ||
1da177e4 LT |
2427 | /* |
2428 | * Encode a READLINK request | |
2429 | */ | |
9f06c719 | 2430 | static void nfs4_xdr_enc_readlink(struct rpc_rqst *req, struct xdr_stream *xdr, |
0096d39b | 2431 | const void *data) |
1da177e4 | 2432 | { |
0096d39b | 2433 | const struct nfs4_readlink *args = data; |
1da177e4 | 2434 | struct compound_hdr hdr = { |
66cc0429 | 2435 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2436 | }; |
1da177e4 | 2437 | |
9f06c719 CL |
2438 | encode_compound_hdr(xdr, req, &hdr); |
2439 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2440 | encode_putfh(xdr, args->fh, &hdr); | |
2441 | encode_readlink(xdr, args, req, &hdr); | |
e3a535e1 | 2442 | |
28f56694 | 2443 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, |
e3a535e1 | 2444 | args->pgbase, args->pglen); |
d017931c | 2445 | encode_nops(&hdr); |
1da177e4 LT |
2446 | } |
2447 | ||
2448 | /* | |
2449 | * Encode a READDIR request | |
2450 | */ | |
9f06c719 | 2451 | static void nfs4_xdr_enc_readdir(struct rpc_rqst *req, struct xdr_stream *xdr, |
0096d39b | 2452 | const void *data) |
1da177e4 | 2453 | { |
0096d39b | 2454 | const struct nfs4_readdir_arg *args = data; |
1da177e4 | 2455 | struct compound_hdr hdr = { |
66cc0429 | 2456 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2457 | }; |
1da177e4 | 2458 | |
9f06c719 CL |
2459 | encode_compound_hdr(xdr, req, &hdr); |
2460 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2461 | encode_putfh(xdr, args->fh, &hdr); | |
2462 | encode_readdir(xdr, args, req, &hdr); | |
d6ac02df | 2463 | |
28f56694 | 2464 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, |
d6ac02df TM |
2465 | args->pgbase, args->count); |
2466 | dprintk("%s: inlined page args = (%u, %p, %u, %u)\n", | |
28f56694 | 2467 | __func__, hdr.replen << 2, args->pages, |
d6ac02df | 2468 | args->pgbase, args->count); |
d017931c | 2469 | encode_nops(&hdr); |
1da177e4 LT |
2470 | } |
2471 | ||
2472 | /* | |
2473 | * Encode a READ request | |
2474 | */ | |
9f06c719 | 2475 | static void nfs4_xdr_enc_read(struct rpc_rqst *req, struct xdr_stream *xdr, |
0096d39b | 2476 | const void *data) |
1da177e4 | 2477 | { |
0096d39b | 2478 | const struct nfs_pgio_args *args = data; |
1da177e4 | 2479 | struct compound_hdr hdr = { |
66cc0429 | 2480 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2481 | }; |
1da177e4 | 2482 | |
9f06c719 CL |
2483 | encode_compound_hdr(xdr, req, &hdr); |
2484 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2485 | encode_putfh(xdr, args->fh, &hdr); | |
2486 | encode_read(xdr, args, &hdr); | |
1da177e4 | 2487 | |
28f56694 | 2488 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, |
1da177e4 | 2489 | args->pages, args->pgbase, args->count); |
4f22ccc3 | 2490 | req->rq_rcv_buf.flags |= XDRBUF_READ; |
d017931c | 2491 | encode_nops(&hdr); |
1da177e4 LT |
2492 | } |
2493 | ||
2494 | /* | |
2495 | * Encode an SETATTR request | |
2496 | */ | |
9f06c719 | 2497 | static void nfs4_xdr_enc_setattr(struct rpc_rqst *req, struct xdr_stream *xdr, |
0096d39b | 2498 | const void *data) |
1da177e4 | 2499 | { |
0096d39b | 2500 | const struct nfs_setattrargs *args = data; |
05d564fe | 2501 | struct compound_hdr hdr = { |
66cc0429 | 2502 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 2503 | }; |
05d564fe | 2504 | |
9f06c719 CL |
2505 | encode_compound_hdr(xdr, req, &hdr); |
2506 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2507 | encode_putfh(xdr, args->fh, &hdr); | |
2508 | encode_setattr(xdr, args, args->server, &hdr); | |
2509 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2510 | encode_nops(&hdr); |
1da177e4 LT |
2511 | } |
2512 | ||
029d105e BF |
2513 | /* |
2514 | * Encode a GETACL request | |
2515 | */ | |
9f06c719 | 2516 | static void nfs4_xdr_enc_getacl(struct rpc_rqst *req, struct xdr_stream *xdr, |
0096d39b | 2517 | const void *data) |
029d105e | 2518 | { |
0096d39b | 2519 | const struct nfs_getaclargs *args = data; |
029d105e | 2520 | struct compound_hdr hdr = { |
66cc0429 | 2521 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
029d105e | 2522 | }; |
28f56694 | 2523 | uint32_t replen; |
029d105e | 2524 | |
9f06c719 CL |
2525 | encode_compound_hdr(xdr, req, &hdr); |
2526 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2527 | encode_putfh(xdr, args->fh, &hdr); | |
6682c14b | 2528 | replen = hdr.replen + op_decode_hdr_maxsz; |
9f06c719 | 2529 | encode_getattr_two(xdr, FATTR4_WORD0_ACL, 0, &hdr); |
cf8cdbe5 | 2530 | |
28f56694 | 2531 | xdr_inline_pages(&req->rq_rcv_buf, replen << 2, |
8fbcf237 | 2532 | args->acl_pages, 0, args->acl_len); |
bf118a34 | 2533 | |
d017931c | 2534 | encode_nops(&hdr); |
029d105e BF |
2535 | } |
2536 | ||
1da177e4 LT |
2537 | /* |
2538 | * Encode a WRITE request | |
2539 | */ | |
9f06c719 | 2540 | static void nfs4_xdr_enc_write(struct rpc_rqst *req, struct xdr_stream *xdr, |
0096d39b | 2541 | const void *data) |
1da177e4 | 2542 | { |
0096d39b | 2543 | const struct nfs_pgio_args *args = data; |
1da177e4 | 2544 | struct compound_hdr hdr = { |
66cc0429 | 2545 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2546 | }; |
1da177e4 | 2547 | |
9f06c719 CL |
2548 | encode_compound_hdr(xdr, req, &hdr); |
2549 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2550 | encode_putfh(xdr, args->fh, &hdr); | |
2551 | encode_write(xdr, args, &hdr); | |
4f22ccc3 | 2552 | req->rq_snd_buf.flags |= XDRBUF_WRITE; |
7ffd1064 FI |
2553 | if (args->bitmask) |
2554 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2555 | encode_nops(&hdr); |
1da177e4 LT |
2556 | } |
2557 | ||
2558 | /* | |
2559 | * a COMMIT request | |
2560 | */ | |
9f06c719 | 2561 | static void nfs4_xdr_enc_commit(struct rpc_rqst *req, struct xdr_stream *xdr, |
0096d39b | 2562 | const void *data) |
1da177e4 | 2563 | { |
0096d39b | 2564 | const struct nfs_commitargs *args = data; |
1da177e4 | 2565 | struct compound_hdr hdr = { |
66cc0429 | 2566 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2567 | }; |
1da177e4 | 2568 | |
9f06c719 CL |
2569 | encode_compound_hdr(xdr, req, &hdr); |
2570 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2571 | encode_putfh(xdr, args->fh, &hdr); | |
2572 | encode_commit(xdr, args, &hdr); | |
d017931c | 2573 | encode_nops(&hdr); |
1da177e4 LT |
2574 | } |
2575 | ||
2576 | /* | |
2577 | * FSINFO request | |
2578 | */ | |
9f06c719 | 2579 | static void nfs4_xdr_enc_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, |
0096d39b | 2580 | const void *data) |
1da177e4 | 2581 | { |
0096d39b | 2582 | const struct nfs4_fsinfo_arg *args = data; |
1da177e4 | 2583 | struct compound_hdr hdr = { |
66cc0429 | 2584 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2585 | }; |
1da177e4 | 2586 | |
9f06c719 CL |
2587 | encode_compound_hdr(xdr, req, &hdr); |
2588 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2589 | encode_putfh(xdr, args->fh, &hdr); | |
2590 | encode_fsinfo(xdr, args->bitmask, &hdr); | |
d017931c | 2591 | encode_nops(&hdr); |
1da177e4 LT |
2592 | } |
2593 | ||
2594 | /* | |
2595 | * a PATHCONF request | |
2596 | */ | |
9f06c719 | 2597 | static void nfs4_xdr_enc_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, |
0096d39b | 2598 | const void *data) |
1da177e4 | 2599 | { |
0096d39b | 2600 | const struct nfs4_pathconf_arg *args = data; |
1da177e4 | 2601 | struct compound_hdr hdr = { |
66cc0429 | 2602 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2603 | }; |
1da177e4 | 2604 | |
9f06c719 CL |
2605 | encode_compound_hdr(xdr, req, &hdr); |
2606 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2607 | encode_putfh(xdr, args->fh, &hdr); | |
2608 | encode_getattr_one(xdr, args->bitmask[0] & nfs4_pathconf_bitmap[0], | |
cf8cdbe5 | 2609 | &hdr); |
d017931c | 2610 | encode_nops(&hdr); |
1da177e4 LT |
2611 | } |
2612 | ||
2613 | /* | |
2614 | * a STATFS request | |
2615 | */ | |
9f06c719 | 2616 | static void nfs4_xdr_enc_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, |
0096d39b | 2617 | const void *data) |
1da177e4 | 2618 | { |
0096d39b | 2619 | const struct nfs4_statfs_arg *args = data; |
1da177e4 | 2620 | struct compound_hdr hdr = { |
66cc0429 | 2621 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2622 | }; |
1da177e4 | 2623 | |
9f06c719 CL |
2624 | encode_compound_hdr(xdr, req, &hdr); |
2625 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2626 | encode_putfh(xdr, args->fh, &hdr); | |
2627 | encode_getattr_two(xdr, args->bitmask[0] & nfs4_statfs_bitmap[0], | |
cf8cdbe5 | 2628 | args->bitmask[1] & nfs4_statfs_bitmap[1], &hdr); |
d017931c | 2629 | encode_nops(&hdr); |
1da177e4 LT |
2630 | } |
2631 | ||
2632 | /* | |
2633 | * GETATTR_BITMAP request | |
2634 | */ | |
9f06c719 CL |
2635 | static void nfs4_xdr_enc_server_caps(struct rpc_rqst *req, |
2636 | struct xdr_stream *xdr, | |
0096d39b | 2637 | const void *data) |
1da177e4 | 2638 | { |
0096d39b | 2639 | const struct nfs4_server_caps_arg *args = data; |
8c61282f | 2640 | const u32 *bitmask = args->bitmask; |
1da177e4 | 2641 | struct compound_hdr hdr = { |
66cc0429 | 2642 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2643 | }; |
1da177e4 | 2644 | |
9f06c719 CL |
2645 | encode_compound_hdr(xdr, req, &hdr); |
2646 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2647 | encode_putfh(xdr, args->fhandle, &hdr); | |
8c61282f | 2648 | encode_getattr_three(xdr, bitmask[0], bitmask[1], bitmask[2], &hdr); |
d017931c | 2649 | encode_nops(&hdr); |
1da177e4 LT |
2650 | } |
2651 | ||
2652 | /* | |
2653 | * a RENEW request | |
2654 | */ | |
9f06c719 | 2655 | static void nfs4_xdr_enc_renew(struct rpc_rqst *req, struct xdr_stream *xdr, |
0096d39b CH |
2656 | const void *data) |
2657 | ||
1da177e4 | 2658 | { |
0096d39b | 2659 | const struct nfs_client *clp = data; |
1da177e4 | 2660 | struct compound_hdr hdr = { |
d017931c | 2661 | .nops = 0, |
1da177e4 LT |
2662 | }; |
2663 | ||
9f06c719 | 2664 | encode_compound_hdr(xdr, req, &hdr); |
bb4dae5e | 2665 | encode_renew(xdr, clp->cl_clientid, &hdr); |
d017931c | 2666 | encode_nops(&hdr); |
1da177e4 LT |
2667 | } |
2668 | ||
2669 | /* | |
2670 | * a SETCLIENTID request | |
2671 | */ | |
9f06c719 CL |
2672 | static void nfs4_xdr_enc_setclientid(struct rpc_rqst *req, |
2673 | struct xdr_stream *xdr, | |
0096d39b | 2674 | const void *data) |
1da177e4 | 2675 | { |
0096d39b | 2676 | const struct nfs4_setclientid *sc = data; |
1da177e4 | 2677 | struct compound_hdr hdr = { |
d017931c | 2678 | .nops = 0, |
1da177e4 LT |
2679 | }; |
2680 | ||
9f06c719 CL |
2681 | encode_compound_hdr(xdr, req, &hdr); |
2682 | encode_setclientid(xdr, sc, &hdr); | |
d017931c | 2683 | encode_nops(&hdr); |
1da177e4 LT |
2684 | } |
2685 | ||
2686 | /* | |
2687 | * a SETCLIENTID_CONFIRM request | |
2688 | */ | |
9f06c719 CL |
2689 | static void nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, |
2690 | struct xdr_stream *xdr, | |
0096d39b | 2691 | const void *data) |
1da177e4 | 2692 | { |
0096d39b | 2693 | const struct nfs4_setclientid_res *arg = data; |
1da177e4 | 2694 | struct compound_hdr hdr = { |
d017931c | 2695 | .nops = 0, |
1da177e4 | 2696 | }; |
1da177e4 | 2697 | |
9f06c719 CL |
2698 | encode_compound_hdr(xdr, req, &hdr); |
2699 | encode_setclientid_confirm(xdr, arg, &hdr); | |
d017931c | 2700 | encode_nops(&hdr); |
1da177e4 LT |
2701 | } |
2702 | ||
2703 | /* | |
2704 | * DELEGRETURN request | |
2705 | */ | |
9f06c719 CL |
2706 | static void nfs4_xdr_enc_delegreturn(struct rpc_rqst *req, |
2707 | struct xdr_stream *xdr, | |
0096d39b | 2708 | const void *data) |
1da177e4 | 2709 | { |
0096d39b | 2710 | const struct nfs4_delegreturnargs *args = data; |
1da177e4 | 2711 | struct compound_hdr hdr = { |
66cc0429 | 2712 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2713 | }; |
1da177e4 | 2714 | |
9f06c719 CL |
2715 | encode_compound_hdr(xdr, req, &hdr); |
2716 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2717 | encode_putfh(xdr, args->fhandle, &hdr); | |
586f1c39 TM |
2718 | if (args->lr_args) |
2719 | encode_layoutreturn(xdr, args->lr_args, &hdr); | |
8ac2b422 TM |
2720 | if (args->bitmask) |
2721 | encode_getfattr(xdr, args->bitmask, &hdr); | |
e144cbcc | 2722 | encode_delegreturn(xdr, args->stateid, &hdr); |
d017931c | 2723 | encode_nops(&hdr); |
1da177e4 LT |
2724 | } |
2725 | ||
683b57b4 TM |
2726 | /* |
2727 | * Encode FS_LOCATIONS request | |
2728 | */ | |
9f06c719 CL |
2729 | static void nfs4_xdr_enc_fs_locations(struct rpc_rqst *req, |
2730 | struct xdr_stream *xdr, | |
0096d39b | 2731 | const void *data) |
683b57b4 | 2732 | { |
0096d39b | 2733 | const struct nfs4_fs_locations_arg *args = data; |
683b57b4 | 2734 | struct compound_hdr hdr = { |
66cc0429 | 2735 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
683b57b4 | 2736 | }; |
28f56694 | 2737 | uint32_t replen; |
683b57b4 | 2738 | |
9f06c719 CL |
2739 | encode_compound_hdr(xdr, req, &hdr); |
2740 | encode_sequence(xdr, &args->seq_args, &hdr); | |
b03d735b CL |
2741 | if (args->migration) { |
2742 | encode_putfh(xdr, args->fh, &hdr); | |
2743 | replen = hdr.replen; | |
2744 | encode_fs_locations(xdr, args->bitmask, &hdr); | |
2745 | if (args->renew) | |
2746 | encode_renew(xdr, args->clientid, &hdr); | |
2747 | } else { | |
2748 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2749 | encode_lookup(xdr, args->name, &hdr); | |
2750 | replen = hdr.replen; | |
2751 | encode_fs_locations(xdr, args->bitmask, &hdr); | |
2752 | } | |
cf8cdbe5 | 2753 | |
b03d735b | 2754 | /* Set up reply kvec to capture returned fs_locations array. */ |
0096d39b CH |
2755 | xdr_inline_pages(&req->rq_rcv_buf, replen << 2, |
2756 | (struct page **)&args->page, 0, PAGE_SIZE); | |
d017931c | 2757 | encode_nops(&hdr); |
683b57b4 TM |
2758 | } |
2759 | ||
5a5ea0d4 BS |
2760 | /* |
2761 | * Encode SECINFO request | |
2762 | */ | |
2763 | static void nfs4_xdr_enc_secinfo(struct rpc_rqst *req, | |
2764 | struct xdr_stream *xdr, | |
0096d39b | 2765 | const void *data) |
5a5ea0d4 | 2766 | { |
0096d39b | 2767 | const struct nfs4_secinfo_arg *args = data; |
5a5ea0d4 BS |
2768 | struct compound_hdr hdr = { |
2769 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2770 | }; | |
2771 | ||
2772 | encode_compound_hdr(xdr, req, &hdr); | |
2773 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2774 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2775 | encode_secinfo(xdr, args->name, &hdr); | |
2776 | encode_nops(&hdr); | |
2777 | } | |
2778 | ||
44c99933 CL |
2779 | /* |
2780 | * Encode FSID_PRESENT request | |
2781 | */ | |
2782 | static void nfs4_xdr_enc_fsid_present(struct rpc_rqst *req, | |
2783 | struct xdr_stream *xdr, | |
0096d39b | 2784 | const void *data) |
44c99933 | 2785 | { |
0096d39b | 2786 | const struct nfs4_fsid_present_arg *args = data; |
44c99933 CL |
2787 | struct compound_hdr hdr = { |
2788 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2789 | }; | |
2790 | ||
2791 | encode_compound_hdr(xdr, req, &hdr); | |
2792 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2793 | encode_putfh(xdr, args->fh, &hdr); | |
2794 | encode_getfh(xdr, &hdr); | |
2795 | if (args->renew) | |
2796 | encode_renew(xdr, args->clientid, &hdr); | |
2797 | encode_nops(&hdr); | |
2798 | } | |
2799 | ||
99fe60d0 | 2800 | #if defined(CONFIG_NFS_V4_1) |
7c44f1ae WAA |
2801 | /* |
2802 | * BIND_CONN_TO_SESSION request | |
2803 | */ | |
2804 | static void nfs4_xdr_enc_bind_conn_to_session(struct rpc_rqst *req, | |
2805 | struct xdr_stream *xdr, | |
0096d39b | 2806 | const void *data) |
7c44f1ae | 2807 | { |
0096d39b | 2808 | const struct nfs41_bind_conn_to_session_args *args = data; |
7c44f1ae | 2809 | struct compound_hdr hdr = { |
71a097c6 | 2810 | .minorversion = args->client->cl_mvops->minor_version, |
7c44f1ae WAA |
2811 | }; |
2812 | ||
2813 | encode_compound_hdr(xdr, req, &hdr); | |
71a097c6 | 2814 | encode_bind_conn_to_session(xdr, args, &hdr); |
7c44f1ae WAA |
2815 | encode_nops(&hdr); |
2816 | } | |
2817 | ||
99fe60d0 BH |
2818 | /* |
2819 | * EXCHANGE_ID request | |
2820 | */ | |
9f06c719 CL |
2821 | static void nfs4_xdr_enc_exchange_id(struct rpc_rqst *req, |
2822 | struct xdr_stream *xdr, | |
0096d39b | 2823 | const void *data) |
99fe60d0 | 2824 | { |
0096d39b | 2825 | const struct nfs41_exchange_id_args *args = data; |
99fe60d0 | 2826 | struct compound_hdr hdr = { |
a4432345 | 2827 | .minorversion = args->client->cl_mvops->minor_version, |
99fe60d0 BH |
2828 | }; |
2829 | ||
9f06c719 CL |
2830 | encode_compound_hdr(xdr, req, &hdr); |
2831 | encode_exchange_id(xdr, args, &hdr); | |
99fe60d0 | 2832 | encode_nops(&hdr); |
99fe60d0 | 2833 | } |
2050f0cc | 2834 | |
fc931582 AA |
2835 | /* |
2836 | * a CREATE_SESSION request | |
2837 | */ | |
9f06c719 CL |
2838 | static void nfs4_xdr_enc_create_session(struct rpc_rqst *req, |
2839 | struct xdr_stream *xdr, | |
0096d39b | 2840 | const void *data) |
fc931582 | 2841 | { |
0096d39b | 2842 | const struct nfs41_create_session_args *args = data; |
fc931582 | 2843 | struct compound_hdr hdr = { |
a4432345 | 2844 | .minorversion = args->client->cl_mvops->minor_version, |
fc931582 AA |
2845 | }; |
2846 | ||
9f06c719 CL |
2847 | encode_compound_hdr(xdr, req, &hdr); |
2848 | encode_create_session(xdr, args, &hdr); | |
fc931582 | 2849 | encode_nops(&hdr); |
fc931582 AA |
2850 | } |
2851 | ||
0f3e66c6 AA |
2852 | /* |
2853 | * a DESTROY_SESSION request | |
2854 | */ | |
9f06c719 CL |
2855 | static void nfs4_xdr_enc_destroy_session(struct rpc_rqst *req, |
2856 | struct xdr_stream *xdr, | |
0096d39b | 2857 | const void *data) |
0f3e66c6 | 2858 | { |
0096d39b | 2859 | const struct nfs4_session *session = data; |
0f3e66c6 | 2860 | struct compound_hdr hdr = { |
a4432345 | 2861 | .minorversion = session->clp->cl_mvops->minor_version, |
0f3e66c6 AA |
2862 | }; |
2863 | ||
9f06c719 CL |
2864 | encode_compound_hdr(xdr, req, &hdr); |
2865 | encode_destroy_session(xdr, session, &hdr); | |
0f3e66c6 | 2866 | encode_nops(&hdr); |
0f3e66c6 AA |
2867 | } |
2868 | ||
66245539 TM |
2869 | /* |
2870 | * a DESTROY_CLIENTID request | |
2871 | */ | |
2872 | static void nfs4_xdr_enc_destroy_clientid(struct rpc_rqst *req, | |
2873 | struct xdr_stream *xdr, | |
0096d39b | 2874 | const void *data) |
66245539 | 2875 | { |
0096d39b | 2876 | const struct nfs_client *clp = data; |
66245539 TM |
2877 | struct compound_hdr hdr = { |
2878 | .minorversion = clp->cl_mvops->minor_version, | |
2879 | }; | |
2880 | ||
2881 | encode_compound_hdr(xdr, req, &hdr); | |
2882 | encode_destroy_clientid(xdr, clp->cl_clientid, &hdr); | |
2883 | encode_nops(&hdr); | |
2884 | } | |
2885 | ||
fc01cea9 AA |
2886 | /* |
2887 | * a SEQUENCE request | |
2888 | */ | |
9f06c719 | 2889 | static void nfs4_xdr_enc_sequence(struct rpc_rqst *req, struct xdr_stream *xdr, |
0096d39b | 2890 | const void *data) |
fc01cea9 | 2891 | { |
0096d39b | 2892 | const struct nfs4_sequence_args *args = data; |
fc01cea9 AA |
2893 | struct compound_hdr hdr = { |
2894 | .minorversion = nfs4_xdr_minorversion(args), | |
2895 | }; | |
2896 | ||
9f06c719 CL |
2897 | encode_compound_hdr(xdr, req, &hdr); |
2898 | encode_sequence(xdr, args, &hdr); | |
fc01cea9 | 2899 | encode_nops(&hdr); |
fc01cea9 AA |
2900 | } |
2901 | ||
2050f0cc AA |
2902 | /* |
2903 | * a GET_LEASE_TIME request | |
2904 | */ | |
9f06c719 CL |
2905 | static void nfs4_xdr_enc_get_lease_time(struct rpc_rqst *req, |
2906 | struct xdr_stream *xdr, | |
0096d39b | 2907 | const void *data) |
2050f0cc | 2908 | { |
0096d39b | 2909 | const struct nfs4_get_lease_time_args *args = data; |
2050f0cc AA |
2910 | struct compound_hdr hdr = { |
2911 | .minorversion = nfs4_xdr_minorversion(&args->la_seq_args), | |
2912 | }; | |
dae100c2 | 2913 | const u32 lease_bitmap[3] = { FATTR4_WORD0_LEASE_TIME }; |
2050f0cc | 2914 | |
9f06c719 CL |
2915 | encode_compound_hdr(xdr, req, &hdr); |
2916 | encode_sequence(xdr, &args->la_seq_args, &hdr); | |
2917 | encode_putrootfh(xdr, &hdr); | |
2918 | encode_fsinfo(xdr, lease_bitmap, &hdr); | |
2050f0cc | 2919 | encode_nops(&hdr); |
2050f0cc | 2920 | } |
18019753 RL |
2921 | |
2922 | /* | |
2923 | * a RECLAIM_COMPLETE request | |
2924 | */ | |
9f06c719 CL |
2925 | static void nfs4_xdr_enc_reclaim_complete(struct rpc_rqst *req, |
2926 | struct xdr_stream *xdr, | |
0096d39b | 2927 | const void *data) |
18019753 | 2928 | { |
0096d39b | 2929 | const struct nfs41_reclaim_complete_args *args = data; |
18019753 RL |
2930 | struct compound_hdr hdr = { |
2931 | .minorversion = nfs4_xdr_minorversion(&args->seq_args) | |
2932 | }; | |
2933 | ||
9f06c719 CL |
2934 | encode_compound_hdr(xdr, req, &hdr); |
2935 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2936 | encode_reclaim_complete(xdr, args, &hdr); | |
18019753 | 2937 | encode_nops(&hdr); |
18019753 RL |
2938 | } |
2939 | ||
b1f69b75 AA |
2940 | /* |
2941 | * Encode GETDEVICEINFO request | |
2942 | */ | |
9f06c719 CL |
2943 | static void nfs4_xdr_enc_getdeviceinfo(struct rpc_rqst *req, |
2944 | struct xdr_stream *xdr, | |
0096d39b | 2945 | const void *data) |
b1f69b75 | 2946 | { |
0096d39b | 2947 | const struct nfs4_getdeviceinfo_args *args = data; |
b1f69b75 AA |
2948 | struct compound_hdr hdr = { |
2949 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2950 | }; | |
2951 | ||
9f06c719 CL |
2952 | encode_compound_hdr(xdr, req, &hdr); |
2953 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2954 | encode_getdeviceinfo(xdr, args, &hdr); | |
b1f69b75 AA |
2955 | |
2956 | /* set up reply kvec. Subtract notification bitmap max size (2) | |
2957 | * so that notification bitmap is put in xdr_buf tail */ | |
2958 | xdr_inline_pages(&req->rq_rcv_buf, (hdr.replen - 2) << 2, | |
2959 | args->pdev->pages, args->pdev->pgbase, | |
2960 | args->pdev->pglen); | |
2961 | ||
2962 | encode_nops(&hdr); | |
b1f69b75 AA |
2963 | } |
2964 | ||
2965 | /* | |
2966 | * Encode LAYOUTGET request | |
2967 | */ | |
9f06c719 CL |
2968 | static void nfs4_xdr_enc_layoutget(struct rpc_rqst *req, |
2969 | struct xdr_stream *xdr, | |
0096d39b | 2970 | const void *data) |
b1f69b75 | 2971 | { |
0096d39b | 2972 | const struct nfs4_layoutget_args *args = data; |
b1f69b75 AA |
2973 | struct compound_hdr hdr = { |
2974 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2975 | }; | |
2976 | ||
9f06c719 CL |
2977 | encode_compound_hdr(xdr, req, &hdr); |
2978 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2979 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
2980 | encode_layoutget(xdr, args, &hdr); | |
35124a09 WAA |
2981 | |
2982 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, | |
2983 | args->layout.pages, 0, args->layout.pglen); | |
2984 | ||
b1f69b75 | 2985 | encode_nops(&hdr); |
b1f69b75 | 2986 | } |
863a3c6c AA |
2987 | |
2988 | /* | |
2989 | * Encode LAYOUTCOMMIT request | |
2990 | */ | |
cbe82603 BH |
2991 | static void nfs4_xdr_enc_layoutcommit(struct rpc_rqst *req, |
2992 | struct xdr_stream *xdr, | |
0096d39b | 2993 | const void *priv) |
863a3c6c | 2994 | { |
0096d39b | 2995 | const struct nfs4_layoutcommit_args *args = priv; |
ac7db726 BH |
2996 | struct nfs4_layoutcommit_data *data = |
2997 | container_of(args, struct nfs4_layoutcommit_data, args); | |
863a3c6c AA |
2998 | struct compound_hdr hdr = { |
2999 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
3000 | }; | |
3001 | ||
3002 | encode_compound_hdr(xdr, req, &hdr); | |
3003 | encode_sequence(xdr, &args->seq_args, &hdr); | |
3004 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
ac7db726 | 3005 | encode_layoutcommit(xdr, data->args.inode, args, &hdr); |
863a3c6c | 3006 | encode_getfattr(xdr, args->bitmask, &hdr); |
b1f69b75 | 3007 | encode_nops(&hdr); |
cbe82603 BH |
3008 | } |
3009 | ||
3010 | /* | |
3011 | * Encode LAYOUTRETURN request | |
3012 | */ | |
3013 | static void nfs4_xdr_enc_layoutreturn(struct rpc_rqst *req, | |
3014 | struct xdr_stream *xdr, | |
0096d39b | 3015 | const void *data) |
cbe82603 | 3016 | { |
0096d39b | 3017 | const struct nfs4_layoutreturn_args *args = data; |
cbe82603 BH |
3018 | struct compound_hdr hdr = { |
3019 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
3020 | }; | |
3021 | ||
3022 | encode_compound_hdr(xdr, req, &hdr); | |
3023 | encode_sequence(xdr, &args->seq_args, &hdr); | |
3024 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
3025 | encode_layoutreturn(xdr, args, &hdr); | |
3026 | encode_nops(&hdr); | |
b1f69b75 | 3027 | } |
fca78d6d BS |
3028 | |
3029 | /* | |
3030 | * Encode SECINFO_NO_NAME request | |
3031 | */ | |
0096d39b | 3032 | static void nfs4_xdr_enc_secinfo_no_name(struct rpc_rqst *req, |
fca78d6d | 3033 | struct xdr_stream *xdr, |
0096d39b | 3034 | const void *data) |
fca78d6d | 3035 | { |
0096d39b | 3036 | const struct nfs41_secinfo_no_name_args *args = data; |
fca78d6d BS |
3037 | struct compound_hdr hdr = { |
3038 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
3039 | }; | |
3040 | ||
3041 | encode_compound_hdr(xdr, req, &hdr); | |
3042 | encode_sequence(xdr, &args->seq_args, &hdr); | |
3043 | encode_putrootfh(xdr, &hdr); | |
3044 | encode_secinfo_no_name(xdr, args, &hdr); | |
3045 | encode_nops(&hdr); | |
fca78d6d | 3046 | } |
7d974794 BS |
3047 | |
3048 | /* | |
3049 | * Encode TEST_STATEID request | |
3050 | */ | |
3051 | static void nfs4_xdr_enc_test_stateid(struct rpc_rqst *req, | |
3052 | struct xdr_stream *xdr, | |
0096d39b | 3053 | const void *data) |
7d974794 | 3054 | { |
0096d39b | 3055 | const struct nfs41_test_stateid_args *args = data; |
7d974794 BS |
3056 | struct compound_hdr hdr = { |
3057 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
3058 | }; | |
3059 | ||
3060 | encode_compound_hdr(xdr, req, &hdr); | |
3061 | encode_sequence(xdr, &args->seq_args, &hdr); | |
3062 | encode_test_stateid(xdr, args, &hdr); | |
3063 | encode_nops(&hdr); | |
3064 | } | |
9aeda35f BS |
3065 | |
3066 | /* | |
3067 | * Encode FREE_STATEID request | |
3068 | */ | |
3069 | static void nfs4_xdr_enc_free_stateid(struct rpc_rqst *req, | |
3070 | struct xdr_stream *xdr, | |
0096d39b | 3071 | const void *data) |
9aeda35f | 3072 | { |
0096d39b | 3073 | const struct nfs41_free_stateid_args *args = data; |
9aeda35f BS |
3074 | struct compound_hdr hdr = { |
3075 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
3076 | }; | |
3077 | ||
3078 | encode_compound_hdr(xdr, req, &hdr); | |
3079 | encode_sequence(xdr, &args->seq_args, &hdr); | |
3080 | encode_free_stateid(xdr, args, &hdr); | |
3081 | encode_nops(&hdr); | |
3082 | } | |
99fe60d0 BH |
3083 | #endif /* CONFIG_NFS_V4_1 */ |
3084 | ||
686841b3 BH |
3085 | static void print_overflow_msg(const char *func, const struct xdr_stream *xdr) |
3086 | { | |
3087 | dprintk("nfs: %s: prematurely hit end of receive buffer. " | |
3088 | "Remaining buffer length is %tu words.\n", | |
3089 | func, xdr->end - xdr->p); | |
3090 | } | |
1da177e4 | 3091 | |
683b57b4 | 3092 | static int decode_opaque_inline(struct xdr_stream *xdr, unsigned int *len, char **string) |
1da177e4 | 3093 | { |
6da59ce2 TM |
3094 | ssize_t ret = xdr_stream_decode_opaque_inline(xdr, (void **)string, |
3095 | NFS4_OPAQUE_LIMIT); | |
3096 | if (unlikely(ret < 0)) { | |
3097 | if (ret == -EBADMSG) | |
3098 | print_overflow_msg(__func__, xdr); | |
3099 | return -EIO; | |
3100 | } | |
3101 | *len = ret; | |
1da177e4 LT |
3102 | return 0; |
3103 | } | |
3104 | ||
3105 | static int decode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr) | |
3106 | { | |
8687b63a | 3107 | __be32 *p; |
1da177e4 | 3108 | |
c0eae66e BH |
3109 | p = xdr_inline_decode(xdr, 8); |
3110 | if (unlikely(!p)) | |
3111 | goto out_overflow; | |
6f723f77 | 3112 | hdr->status = be32_to_cpup(p++); |
cccddf4f | 3113 | hdr->taglen = be32_to_cpup(p); |
6c0195a4 | 3114 | |
c0eae66e BH |
3115 | p = xdr_inline_decode(xdr, hdr->taglen + 4); |
3116 | if (unlikely(!p)) | |
3117 | goto out_overflow; | |
1da177e4 LT |
3118 | hdr->tag = (char *)p; |
3119 | p += XDR_QUADLEN(hdr->taglen); | |
cccddf4f | 3120 | hdr->nops = be32_to_cpup(p); |
aadf6152 BH |
3121 | if (unlikely(hdr->nops < 1)) |
3122 | return nfs4_stat_to_errno(hdr->status); | |
1da177e4 | 3123 | return 0; |
c0eae66e BH |
3124 | out_overflow: |
3125 | print_overflow_msg(__func__, xdr); | |
3126 | return -EIO; | |
1da177e4 LT |
3127 | } |
3128 | ||
c7848f69 TM |
3129 | static bool __decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected, |
3130 | int *nfs_retval) | |
1da177e4 | 3131 | { |
8687b63a | 3132 | __be32 *p; |
1da177e4 LT |
3133 | uint32_t opnum; |
3134 | int32_t nfserr; | |
3135 | ||
c0eae66e BH |
3136 | p = xdr_inline_decode(xdr, 8); |
3137 | if (unlikely(!p)) | |
3138 | goto out_overflow; | |
6f723f77 | 3139 | opnum = be32_to_cpup(p++); |
c7848f69 TM |
3140 | if (unlikely(opnum != expected)) |
3141 | goto out_bad_operation; | |
cccddf4f | 3142 | nfserr = be32_to_cpup(p); |
c7848f69 TM |
3143 | if (nfserr == NFS_OK) |
3144 | *nfs_retval = 0; | |
3145 | else | |
3146 | *nfs_retval = nfs4_stat_to_errno(nfserr); | |
3147 | return true; | |
3148 | out_bad_operation: | |
3149 | dprintk("nfs: Server returned operation" | |
3150 | " %d but we issued a request for %d\n", | |
3151 | opnum, expected); | |
3152 | *nfs_retval = -EREMOTEIO; | |
3153 | return false; | |
c0eae66e BH |
3154 | out_overflow: |
3155 | print_overflow_msg(__func__, xdr); | |
c7848f69 TM |
3156 | *nfs_retval = -EIO; |
3157 | return false; | |
3158 | } | |
3159 | ||
3160 | static int decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected) | |
3161 | { | |
3162 | int retval; | |
3163 | ||
3164 | __decode_op_hdr(xdr, expected, &retval); | |
3165 | return retval; | |
1da177e4 LT |
3166 | } |
3167 | ||
3168 | /* Dummy routine */ | |
1bbe60ff | 3169 | static int decode_ace(struct xdr_stream *xdr, void *ace) |
1da177e4 | 3170 | { |
8687b63a | 3171 | __be32 *p; |
683b57b4 | 3172 | unsigned int strlen; |
1da177e4 LT |
3173 | char *str; |
3174 | ||
c0eae66e BH |
3175 | p = xdr_inline_decode(xdr, 12); |
3176 | if (likely(p)) | |
3177 | return decode_opaque_inline(xdr, &strlen, &str); | |
3178 | print_overflow_msg(__func__, xdr); | |
3179 | return -EIO; | |
1da177e4 LT |
3180 | } |
3181 | ||
3182 | static int decode_attr_bitmap(struct xdr_stream *xdr, uint32_t *bitmap) | |
3183 | { | |
8687b63a AV |
3184 | uint32_t bmlen; |
3185 | __be32 *p; | |
1da177e4 | 3186 | |
c0eae66e BH |
3187 | p = xdr_inline_decode(xdr, 4); |
3188 | if (unlikely(!p)) | |
3189 | goto out_overflow; | |
cccddf4f | 3190 | bmlen = be32_to_cpup(p); |
1da177e4 | 3191 | |
dae100c2 | 3192 | bitmap[0] = bitmap[1] = bitmap[2] = 0; |
c0eae66e BH |
3193 | p = xdr_inline_decode(xdr, (bmlen << 2)); |
3194 | if (unlikely(!p)) | |
3195 | goto out_overflow; | |
1da177e4 | 3196 | if (bmlen > 0) { |
6f723f77 | 3197 | bitmap[0] = be32_to_cpup(p++); |
dae100c2 FI |
3198 | if (bmlen > 1) { |
3199 | bitmap[1] = be32_to_cpup(p++); | |
3200 | if (bmlen > 2) | |
3201 | bitmap[2] = be32_to_cpup(p); | |
3202 | } | |
1da177e4 LT |
3203 | } |
3204 | return 0; | |
c0eae66e BH |
3205 | out_overflow: |
3206 | print_overflow_msg(__func__, xdr); | |
3207 | return -EIO; | |
1da177e4 LT |
3208 | } |
3209 | ||
256e48bb | 3210 | static int decode_attr_length(struct xdr_stream *xdr, uint32_t *attrlen, unsigned int *savep) |
1da177e4 | 3211 | { |
8687b63a | 3212 | __be32 *p; |
1da177e4 | 3213 | |
c0eae66e BH |
3214 | p = xdr_inline_decode(xdr, 4); |
3215 | if (unlikely(!p)) | |
3216 | goto out_overflow; | |
cccddf4f | 3217 | *attrlen = be32_to_cpup(p); |
256e48bb | 3218 | *savep = xdr_stream_pos(xdr); |
1da177e4 | 3219 | return 0; |
c0eae66e BH |
3220 | out_overflow: |
3221 | print_overflow_msg(__func__, xdr); | |
3222 | return -EIO; | |
1da177e4 LT |
3223 | } |
3224 | ||
3225 | static int decode_attr_supported(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *bitmask) | |
3226 | { | |
3227 | if (likely(bitmap[0] & FATTR4_WORD0_SUPPORTED_ATTRS)) { | |
3388bff5 RB |
3228 | int ret; |
3229 | ret = decode_attr_bitmap(xdr, bitmask); | |
3230 | if (unlikely(ret < 0)) | |
3231 | return ret; | |
1da177e4 LT |
3232 | bitmap[0] &= ~FATTR4_WORD0_SUPPORTED_ATTRS; |
3233 | } else | |
dae100c2 FI |
3234 | bitmask[0] = bitmask[1] = bitmask[2] = 0; |
3235 | dprintk("%s: bitmask=%08x:%08x:%08x\n", __func__, | |
3236 | bitmask[0], bitmask[1], bitmask[2]); | |
1da177e4 LT |
3237 | return 0; |
3238 | } | |
3239 | ||
3240 | static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *type) | |
3241 | { | |
8687b63a | 3242 | __be32 *p; |
409924e4 | 3243 | int ret = 0; |
1da177e4 LT |
3244 | |
3245 | *type = 0; | |
3246 | if (unlikely(bitmap[0] & (FATTR4_WORD0_TYPE - 1U))) | |
3247 | return -EIO; | |
3248 | if (likely(bitmap[0] & FATTR4_WORD0_TYPE)) { | |
c0eae66e BH |
3249 | p = xdr_inline_decode(xdr, 4); |
3250 | if (unlikely(!p)) | |
3251 | goto out_overflow; | |
cccddf4f | 3252 | *type = be32_to_cpup(p); |
1da177e4 | 3253 | if (*type < NF4REG || *type > NF4NAMEDATTR) { |
3110ff80 | 3254 | dprintk("%s: bad type %d\n", __func__, *type); |
1da177e4 LT |
3255 | return -EIO; |
3256 | } | |
3257 | bitmap[0] &= ~FATTR4_WORD0_TYPE; | |
409924e4 | 3258 | ret = NFS_ATTR_FATTR_TYPE; |
1da177e4 | 3259 | } |
bca79478 | 3260 | dprintk("%s: type=0%o\n", __func__, nfs_type2fmt[*type]); |
409924e4 | 3261 | return ret; |
c0eae66e BH |
3262 | out_overflow: |
3263 | print_overflow_msg(__func__, xdr); | |
3264 | return -EIO; | |
1da177e4 LT |
3265 | } |
3266 | ||
264e6351 CL |
3267 | static int decode_attr_fh_expire_type(struct xdr_stream *xdr, |
3268 | uint32_t *bitmap, uint32_t *type) | |
3269 | { | |
3270 | __be32 *p; | |
3271 | ||
3272 | *type = 0; | |
3273 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FH_EXPIRE_TYPE - 1U))) | |
3274 | return -EIO; | |
3275 | if (likely(bitmap[0] & FATTR4_WORD0_FH_EXPIRE_TYPE)) { | |
3276 | p = xdr_inline_decode(xdr, 4); | |
3277 | if (unlikely(!p)) | |
3278 | goto out_overflow; | |
3279 | *type = be32_to_cpup(p); | |
3280 | bitmap[0] &= ~FATTR4_WORD0_FH_EXPIRE_TYPE; | |
3281 | } | |
3282 | dprintk("%s: expire type=0x%x\n", __func__, *type); | |
3283 | return 0; | |
3284 | out_overflow: | |
3285 | print_overflow_msg(__func__, xdr); | |
3286 | return -EIO; | |
3287 | } | |
3288 | ||
1da177e4 LT |
3289 | static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *change) |
3290 | { | |
8687b63a | 3291 | __be32 *p; |
409924e4 | 3292 | int ret = 0; |
1da177e4 LT |
3293 | |
3294 | *change = 0; | |
3295 | if (unlikely(bitmap[0] & (FATTR4_WORD0_CHANGE - 1U))) | |
3296 | return -EIO; | |
3297 | if (likely(bitmap[0] & FATTR4_WORD0_CHANGE)) { | |
c0eae66e BH |
3298 | p = xdr_inline_decode(xdr, 8); |
3299 | if (unlikely(!p)) | |
3300 | goto out_overflow; | |
cccddf4f | 3301 | xdr_decode_hyper(p, change); |
1da177e4 | 3302 | bitmap[0] &= ~FATTR4_WORD0_CHANGE; |
409924e4 | 3303 | ret = NFS_ATTR_FATTR_CHANGE; |
1da177e4 | 3304 | } |
3110ff80 | 3305 | dprintk("%s: change attribute=%Lu\n", __func__, |
1da177e4 | 3306 | (unsigned long long)*change); |
409924e4 | 3307 | return ret; |
c0eae66e BH |
3308 | out_overflow: |
3309 | print_overflow_msg(__func__, xdr); | |
3310 | return -EIO; | |
1da177e4 LT |
3311 | } |
3312 | ||
3313 | static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *size) | |
3314 | { | |
8687b63a | 3315 | __be32 *p; |
409924e4 | 3316 | int ret = 0; |
1da177e4 LT |
3317 | |
3318 | *size = 0; | |
3319 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SIZE - 1U))) | |
3320 | return -EIO; | |
3321 | if (likely(bitmap[0] & FATTR4_WORD0_SIZE)) { | |
c0eae66e BH |
3322 | p = xdr_inline_decode(xdr, 8); |
3323 | if (unlikely(!p)) | |
3324 | goto out_overflow; | |
cccddf4f | 3325 | xdr_decode_hyper(p, size); |
1da177e4 | 3326 | bitmap[0] &= ~FATTR4_WORD0_SIZE; |
409924e4 | 3327 | ret = NFS_ATTR_FATTR_SIZE; |
1da177e4 | 3328 | } |
3110ff80 | 3329 | dprintk("%s: file size=%Lu\n", __func__, (unsigned long long)*size); |
409924e4 | 3330 | return ret; |
c0eae66e BH |
3331 | out_overflow: |
3332 | print_overflow_msg(__func__, xdr); | |
3333 | return -EIO; | |
1da177e4 LT |
3334 | } |
3335 | ||
3336 | static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3337 | { | |
8687b63a | 3338 | __be32 *p; |
1da177e4 LT |
3339 | |
3340 | *res = 0; | |
3341 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LINK_SUPPORT - 1U))) | |
3342 | return -EIO; | |
3343 | if (likely(bitmap[0] & FATTR4_WORD0_LINK_SUPPORT)) { | |
c0eae66e BH |
3344 | p = xdr_inline_decode(xdr, 4); |
3345 | if (unlikely(!p)) | |
3346 | goto out_overflow; | |
cccddf4f | 3347 | *res = be32_to_cpup(p); |
1da177e4 LT |
3348 | bitmap[0] &= ~FATTR4_WORD0_LINK_SUPPORT; |
3349 | } | |
3110ff80 | 3350 | dprintk("%s: link support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 | 3351 | return 0; |
c0eae66e BH |
3352 | out_overflow: |
3353 | print_overflow_msg(__func__, xdr); | |
3354 | return -EIO; | |
1da177e4 LT |
3355 | } |
3356 | ||
3357 | static int decode_attr_symlink_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3358 | { | |
8687b63a | 3359 | __be32 *p; |
1da177e4 LT |
3360 | |
3361 | *res = 0; | |
3362 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SYMLINK_SUPPORT - 1U))) | |
3363 | return -EIO; | |
3364 | if (likely(bitmap[0] & FATTR4_WORD0_SYMLINK_SUPPORT)) { | |
c0eae66e BH |
3365 | p = xdr_inline_decode(xdr, 4); |
3366 | if (unlikely(!p)) | |
3367 | goto out_overflow; | |
cccddf4f | 3368 | *res = be32_to_cpup(p); |
1da177e4 LT |
3369 | bitmap[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT; |
3370 | } | |
3110ff80 | 3371 | dprintk("%s: symlink support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 | 3372 | return 0; |
c0eae66e BH |
3373 | out_overflow: |
3374 | print_overflow_msg(__func__, xdr); | |
3375 | return -EIO; | |
1da177e4 LT |
3376 | } |
3377 | ||
8b4bdcf8 | 3378 | static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fsid *fsid) |
1da177e4 | 3379 | { |
8687b63a | 3380 | __be32 *p; |
409924e4 | 3381 | int ret = 0; |
1da177e4 LT |
3382 | |
3383 | fsid->major = 0; | |
3384 | fsid->minor = 0; | |
3385 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FSID - 1U))) | |
3386 | return -EIO; | |
3387 | if (likely(bitmap[0] & FATTR4_WORD0_FSID)) { | |
c0eae66e BH |
3388 | p = xdr_inline_decode(xdr, 16); |
3389 | if (unlikely(!p)) | |
3390 | goto out_overflow; | |
3ceb4dbb | 3391 | p = xdr_decode_hyper(p, &fsid->major); |
cccddf4f | 3392 | xdr_decode_hyper(p, &fsid->minor); |
1da177e4 | 3393 | bitmap[0] &= ~FATTR4_WORD0_FSID; |
409924e4 | 3394 | ret = NFS_ATTR_FATTR_FSID; |
1da177e4 | 3395 | } |
3110ff80 | 3396 | dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __func__, |
1da177e4 LT |
3397 | (unsigned long long)fsid->major, |
3398 | (unsigned long long)fsid->minor); | |
409924e4 | 3399 | return ret; |
c0eae66e BH |
3400 | out_overflow: |
3401 | print_overflow_msg(__func__, xdr); | |
3402 | return -EIO; | |
1da177e4 LT |
3403 | } |
3404 | ||
3405 | static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3406 | { | |
8687b63a | 3407 | __be32 *p; |
1da177e4 LT |
3408 | |
3409 | *res = 60; | |
3410 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LEASE_TIME - 1U))) | |
3411 | return -EIO; | |
3412 | if (likely(bitmap[0] & FATTR4_WORD0_LEASE_TIME)) { | |
c0eae66e BH |
3413 | p = xdr_inline_decode(xdr, 4); |
3414 | if (unlikely(!p)) | |
3415 | goto out_overflow; | |
cccddf4f | 3416 | *res = be32_to_cpup(p); |
1da177e4 LT |
3417 | bitmap[0] &= ~FATTR4_WORD0_LEASE_TIME; |
3418 | } | |
3110ff80 | 3419 | dprintk("%s: file size=%u\n", __func__, (unsigned int)*res); |
1da177e4 | 3420 | return 0; |
c0eae66e BH |
3421 | out_overflow: |
3422 | print_overflow_msg(__func__, xdr); | |
3423 | return -EIO; | |
1da177e4 LT |
3424 | } |
3425 | ||
ee7b75fc | 3426 | static int decode_attr_error(struct xdr_stream *xdr, uint32_t *bitmap, int32_t *res) |
ae42c70a BS |
3427 | { |
3428 | __be32 *p; | |
3429 | ||
3430 | if (unlikely(bitmap[0] & (FATTR4_WORD0_RDATTR_ERROR - 1U))) | |
3431 | return -EIO; | |
3432 | if (likely(bitmap[0] & FATTR4_WORD0_RDATTR_ERROR)) { | |
3433 | p = xdr_inline_decode(xdr, 4); | |
3434 | if (unlikely(!p)) | |
3435 | goto out_overflow; | |
3436 | bitmap[0] &= ~FATTR4_WORD0_RDATTR_ERROR; | |
ee7b75fc | 3437 | *res = -be32_to_cpup(p); |
ae42c70a BS |
3438 | } |
3439 | return 0; | |
3440 | out_overflow: | |
3441 | print_overflow_msg(__func__, xdr); | |
3442 | return -EIO; | |
3443 | } | |
3444 | ||
8c61282f KM |
3445 | static int decode_attr_exclcreat_supported(struct xdr_stream *xdr, |
3446 | uint32_t *bitmap, uint32_t *bitmask) | |
3447 | { | |
3448 | if (likely(bitmap[2] & FATTR4_WORD2_SUPPATTR_EXCLCREAT)) { | |
3449 | int ret; | |
3450 | ret = decode_attr_bitmap(xdr, bitmask); | |
3451 | if (unlikely(ret < 0)) | |
3452 | return ret; | |
3453 | bitmap[2] &= ~FATTR4_WORD2_SUPPATTR_EXCLCREAT; | |
3454 | } else | |
3455 | bitmask[0] = bitmask[1] = bitmask[2] = 0; | |
3456 | dprintk("%s: bitmask=%08x:%08x:%08x\n", __func__, | |
3457 | bitmask[0], bitmask[1], bitmask[2]); | |
3458 | return 0; | |
3459 | } | |
3460 | ||
ae42c70a BS |
3461 | static int decode_attr_filehandle(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fh *fh) |
3462 | { | |
3463 | __be32 *p; | |
3464 | int len; | |
3465 | ||
7ad07353 TM |
3466 | if (fh != NULL) |
3467 | memset(fh, 0, sizeof(*fh)); | |
ae42c70a BS |
3468 | |
3469 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEHANDLE - 1U))) | |
3470 | return -EIO; | |
3471 | if (likely(bitmap[0] & FATTR4_WORD0_FILEHANDLE)) { | |
3472 | p = xdr_inline_decode(xdr, 4); | |
3473 | if (unlikely(!p)) | |
3474 | goto out_overflow; | |
3475 | len = be32_to_cpup(p); | |
3476 | if (len > NFS4_FHSIZE) | |
3477 | return -EIO; | |
ae42c70a BS |
3478 | p = xdr_inline_decode(xdr, len); |
3479 | if (unlikely(!p)) | |
3480 | goto out_overflow; | |
7ad07353 TM |
3481 | if (fh != NULL) { |
3482 | memcpy(fh->data, p, len); | |
3483 | fh->size = len; | |
3484 | } | |
ae42c70a BS |
3485 | bitmap[0] &= ~FATTR4_WORD0_FILEHANDLE; |
3486 | } | |
3487 | return 0; | |
3488 | out_overflow: | |
3489 | print_overflow_msg(__func__, xdr); | |
3490 | return -EIO; | |
3491 | } | |
3492 | ||
1da177e4 LT |
3493 | static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) |
3494 | { | |
8687b63a | 3495 | __be32 *p; |
1da177e4 | 3496 | |
a1800aca | 3497 | *res = 0; |
1da177e4 LT |
3498 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACLSUPPORT - 1U))) |
3499 | return -EIO; | |
3500 | if (likely(bitmap[0] & FATTR4_WORD0_ACLSUPPORT)) { | |
c0eae66e BH |
3501 | p = xdr_inline_decode(xdr, 4); |
3502 | if (unlikely(!p)) | |
3503 | goto out_overflow; | |
cccddf4f | 3504 | *res = be32_to_cpup(p); |
1da177e4 LT |
3505 | bitmap[0] &= ~FATTR4_WORD0_ACLSUPPORT; |
3506 | } | |
3110ff80 | 3507 | dprintk("%s: ACLs supported=%u\n", __func__, (unsigned int)*res); |
1da177e4 | 3508 | return 0; |
c0eae66e BH |
3509 | out_overflow: |
3510 | print_overflow_msg(__func__, xdr); | |
3511 | return -EIO; | |
1da177e4 LT |
3512 | } |
3513 | ||
3514 | static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) | |
3515 | { | |
8687b63a | 3516 | __be32 *p; |
409924e4 | 3517 | int ret = 0; |
1da177e4 LT |
3518 | |
3519 | *fileid = 0; | |
3520 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEID - 1U))) | |
3521 | return -EIO; | |
3522 | if (likely(bitmap[0] & FATTR4_WORD0_FILEID)) { | |
c0eae66e BH |
3523 | p = xdr_inline_decode(xdr, 8); |
3524 | if (unlikely(!p)) | |
3525 | goto out_overflow; | |
cccddf4f | 3526 | xdr_decode_hyper(p, fileid); |
1da177e4 | 3527 | bitmap[0] &= ~FATTR4_WORD0_FILEID; |
409924e4 | 3528 | ret = NFS_ATTR_FATTR_FILEID; |
1da177e4 | 3529 | } |
3110ff80 | 3530 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
409924e4 | 3531 | return ret; |
c0eae66e BH |
3532 | out_overflow: |
3533 | print_overflow_msg(__func__, xdr); | |
3534 | return -EIO; | |
1da177e4 LT |
3535 | } |
3536 | ||
99baf625 MN |
3537 | static int decode_attr_mounted_on_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) |
3538 | { | |
8687b63a | 3539 | __be32 *p; |
409924e4 | 3540 | int ret = 0; |
99baf625 MN |
3541 | |
3542 | *fileid = 0; | |
3543 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MOUNTED_ON_FILEID - 1U))) | |
3544 | return -EIO; | |
3545 | if (likely(bitmap[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) { | |
c0eae66e BH |
3546 | p = xdr_inline_decode(xdr, 8); |
3547 | if (unlikely(!p)) | |
3548 | goto out_overflow; | |
cccddf4f | 3549 | xdr_decode_hyper(p, fileid); |
99baf625 | 3550 | bitmap[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID; |
28331a46 | 3551 | ret = NFS_ATTR_FATTR_MOUNTED_ON_FILEID; |
99baf625 | 3552 | } |
3110ff80 | 3553 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
409924e4 | 3554 | return ret; |
c0eae66e BH |
3555 | out_overflow: |
3556 | print_overflow_msg(__func__, xdr); | |
3557 | return -EIO; | |
99baf625 MN |
3558 | } |
3559 | ||
1da177e4 LT |
3560 | static int decode_attr_files_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
3561 | { | |
8687b63a | 3562 | __be32 *p; |
1da177e4 LT |
3563 | int status = 0; |
3564 | ||
3565 | *res = 0; | |
3566 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_AVAIL - 1U))) | |
3567 | return -EIO; | |
3568 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_AVAIL)) { | |
c0eae66e BH |
3569 | p = xdr_inline_decode(xdr, 8); |
3570 | if (unlikely(!p)) | |
3571 | goto out_overflow; | |
cccddf4f | 3572 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3573 | bitmap[0] &= ~FATTR4_WORD0_FILES_AVAIL; |
3574 | } | |
3110ff80 | 3575 | dprintk("%s: files avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3576 | return status; |
c0eae66e BH |
3577 | out_overflow: |
3578 | print_overflow_msg(__func__, xdr); | |
3579 | return -EIO; | |
1da177e4 LT |
3580 | } |
3581 | ||
3582 | static int decode_attr_files_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3583 | { | |
8687b63a | 3584 | __be32 *p; |
1da177e4 LT |
3585 | int status = 0; |
3586 | ||
3587 | *res = 0; | |
3588 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_FREE - 1U))) | |
3589 | return -EIO; | |
3590 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_FREE)) { | |
c0eae66e BH |
3591 | p = xdr_inline_decode(xdr, 8); |
3592 | if (unlikely(!p)) | |
3593 | goto out_overflow; | |
cccddf4f | 3594 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3595 | bitmap[0] &= ~FATTR4_WORD0_FILES_FREE; |
3596 | } | |
3110ff80 | 3597 | dprintk("%s: files free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3598 | return status; |
c0eae66e BH |
3599 | out_overflow: |
3600 | print_overflow_msg(__func__, xdr); | |
3601 | return -EIO; | |
1da177e4 LT |
3602 | } |
3603 | ||
3604 | static int decode_attr_files_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3605 | { | |
8687b63a | 3606 | __be32 *p; |
1da177e4 LT |
3607 | int status = 0; |
3608 | ||
3609 | *res = 0; | |
3610 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_TOTAL - 1U))) | |
3611 | return -EIO; | |
3612 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_TOTAL)) { | |
c0eae66e BH |
3613 | p = xdr_inline_decode(xdr, 8); |
3614 | if (unlikely(!p)) | |
3615 | goto out_overflow; | |
cccddf4f | 3616 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3617 | bitmap[0] &= ~FATTR4_WORD0_FILES_TOTAL; |
3618 | } | |
3110ff80 | 3619 | dprintk("%s: files total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3620 | return status; |
c0eae66e BH |
3621 | out_overflow: |
3622 | print_overflow_msg(__func__, xdr); | |
3623 | return -EIO; | |
1da177e4 LT |
3624 | } |
3625 | ||
7aaa0b3b MN |
3626 | static int decode_pathname(struct xdr_stream *xdr, struct nfs4_pathname *path) |
3627 | { | |
464ad6b1 | 3628 | u32 n; |
8687b63a | 3629 | __be32 *p; |
7aaa0b3b MN |
3630 | int status = 0; |
3631 | ||
c0eae66e BH |
3632 | p = xdr_inline_decode(xdr, 4); |
3633 | if (unlikely(!p)) | |
3634 | goto out_overflow; | |
cccddf4f | 3635 | n = be32_to_cpup(p); |
33a43f28 AA |
3636 | if (n == 0) |
3637 | goto root_path; | |
02a2976c | 3638 | dprintk("pathname4: "); |
809b426c TM |
3639 | if (n > NFS4_PATHNAME_MAXCOMPONENTS) { |
3640 | dprintk("cannot parse %d components in path\n", n); | |
3641 | goto out_eio; | |
3642 | } | |
3643 | for (path->ncomponents = 0; path->ncomponents < n; path->ncomponents++) { | |
7aaa0b3b MN |
3644 | struct nfs4_string *component = &path->components[path->ncomponents]; |
3645 | status = decode_opaque_inline(xdr, &component->len, &component->data); | |
3646 | if (unlikely(status != 0)) | |
3647 | goto out_eio; | |
95a13f7b | 3648 | ifdebug (XDR) |
02a2976c CL |
3649 | pr_cont("%s%.*s ", |
3650 | (path->ncomponents != n ? "/ " : ""), | |
3651 | component->len, component->data); | |
7aaa0b3b MN |
3652 | } |
3653 | out: | |
7aaa0b3b | 3654 | return status; |
33a43f28 AA |
3655 | root_path: |
3656 | /* a root pathname is sent as a zero component4 */ | |
3657 | path->ncomponents = 1; | |
3658 | path->components[0].len=0; | |
3659 | path->components[0].data=NULL; | |
02a2976c | 3660 | dprintk("pathname4: /\n"); |
33a43f28 | 3661 | goto out; |
7aaa0b3b MN |
3662 | out_eio: |
3663 | dprintk(" status %d", status); | |
3664 | status = -EIO; | |
3665 | goto out; | |
c0eae66e BH |
3666 | out_overflow: |
3667 | print_overflow_msg(__func__, xdr); | |
3668 | return -EIO; | |
7aaa0b3b MN |
3669 | } |
3670 | ||
3671 | static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_fs_locations *res) | |
683b57b4 TM |
3672 | { |
3673 | int n; | |
8687b63a | 3674 | __be32 *p; |
683b57b4 TM |
3675 | int status = -EIO; |
3676 | ||
3677 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FS_LOCATIONS -1U))) | |
3678 | goto out; | |
3679 | status = 0; | |
3680 | if (unlikely(!(bitmap[0] & FATTR4_WORD0_FS_LOCATIONS))) | |
3681 | goto out; | |
f54423a1 | 3682 | bitmap[0] &= ~FATTR4_WORD0_FS_LOCATIONS; |
8b7e3f49 TM |
3683 | status = -EIO; |
3684 | /* Ignore borken servers that return unrequested attrs */ | |
3685 | if (unlikely(res == NULL)) | |
3686 | goto out; | |
02a2976c | 3687 | dprintk("%s: fsroot:\n", __func__); |
7aaa0b3b | 3688 | status = decode_pathname(xdr, &res->fs_path); |
683b57b4 TM |
3689 | if (unlikely(status != 0)) |
3690 | goto out; | |
c0eae66e BH |
3691 | p = xdr_inline_decode(xdr, 4); |
3692 | if (unlikely(!p)) | |
3693 | goto out_overflow; | |
cccddf4f | 3694 | n = be32_to_cpup(p); |
683b57b4 TM |
3695 | if (n <= 0) |
3696 | goto out_eio; | |
809b426c | 3697 | for (res->nlocations = 0; res->nlocations < n; res->nlocations++) { |
464ad6b1 | 3698 | u32 m; |
809b426c | 3699 | struct nfs4_fs_location *loc; |
683b57b4 | 3700 | |
809b426c TM |
3701 | if (res->nlocations == NFS4_FS_LOCATIONS_MAXENTRIES) |
3702 | break; | |
3703 | loc = &res->locations[res->nlocations]; | |
c0eae66e BH |
3704 | p = xdr_inline_decode(xdr, 4); |
3705 | if (unlikely(!p)) | |
3706 | goto out_overflow; | |
cccddf4f | 3707 | m = be32_to_cpup(p); |
7aaa0b3b | 3708 | |
02a2976c | 3709 | dprintk("%s: servers:\n", __func__); |
809b426c TM |
3710 | for (loc->nservers = 0; loc->nservers < m; loc->nservers++) { |
3711 | struct nfs4_string *server; | |
3712 | ||
3713 | if (loc->nservers == NFS4_FS_LOCATION_MAXSERVERS) { | |
464ad6b1 CL |
3714 | unsigned int i; |
3715 | dprintk("%s: using first %u of %u servers " | |
3716 | "returned for location %u\n", | |
3110ff80 | 3717 | __func__, |
464ad6b1 CL |
3718 | NFS4_FS_LOCATION_MAXSERVERS, |
3719 | m, res->nlocations); | |
7aaa0b3b | 3720 | for (i = loc->nservers; i < m; i++) { |
2e42c3e2 | 3721 | unsigned int len; |
7aaa0b3b MN |
3722 | char *data; |
3723 | status = decode_opaque_inline(xdr, &len, &data); | |
3724 | if (unlikely(status != 0)) | |
3725 | goto out_eio; | |
3726 | } | |
809b426c | 3727 | break; |
7aaa0b3b | 3728 | } |
809b426c TM |
3729 | server = &loc->servers[loc->nservers]; |
3730 | status = decode_opaque_inline(xdr, &server->len, &server->data); | |
3731 | if (unlikely(status != 0)) | |
3732 | goto out_eio; | |
3733 | dprintk("%s ", server->data); | |
7aaa0b3b MN |
3734 | } |
3735 | status = decode_pathname(xdr, &loc->rootpath); | |
683b57b4 TM |
3736 | if (unlikely(status != 0)) |
3737 | goto out_eio; | |
683b57b4 | 3738 | } |
409924e4 | 3739 | if (res->nlocations != 0) |
81934ddb | 3740 | status = NFS_ATTR_FATTR_V4_LOCATIONS; |
683b57b4 | 3741 | out: |
3110ff80 | 3742 | dprintk("%s: fs_locations done, error = %d\n", __func__, status); |
683b57b4 | 3743 | return status; |
c0eae66e BH |
3744 | out_overflow: |
3745 | print_overflow_msg(__func__, xdr); | |
683b57b4 TM |
3746 | out_eio: |
3747 | status = -EIO; | |
3748 | goto out; | |
3749 | } | |
3750 | ||
1da177e4 LT |
3751 | static int decode_attr_maxfilesize(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
3752 | { | |
8687b63a | 3753 | __be32 *p; |
1da177e4 LT |
3754 | int status = 0; |
3755 | ||
3756 | *res = 0; | |
3757 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXFILESIZE - 1U))) | |
3758 | return -EIO; | |
3759 | if (likely(bitmap[0] & FATTR4_WORD0_MAXFILESIZE)) { | |
c0eae66e BH |
3760 | p = xdr_inline_decode(xdr, 8); |
3761 | if (unlikely(!p)) | |
3762 | goto out_overflow; | |
cccddf4f | 3763 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3764 | bitmap[0] &= ~FATTR4_WORD0_MAXFILESIZE; |
3765 | } | |
3110ff80 | 3766 | dprintk("%s: maxfilesize=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3767 | return status; |
c0eae66e BH |
3768 | out_overflow: |
3769 | print_overflow_msg(__func__, xdr); | |
3770 | return -EIO; | |
1da177e4 LT |
3771 | } |
3772 | ||
3773 | static int decode_attr_maxlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxlink) | |
3774 | { | |
8687b63a | 3775 | __be32 *p; |
1da177e4 LT |
3776 | int status = 0; |
3777 | ||
3778 | *maxlink = 1; | |
3779 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXLINK - 1U))) | |
3780 | return -EIO; | |
3781 | if (likely(bitmap[0] & FATTR4_WORD0_MAXLINK)) { | |
c0eae66e BH |
3782 | p = xdr_inline_decode(xdr, 4); |
3783 | if (unlikely(!p)) | |
3784 | goto out_overflow; | |
cccddf4f | 3785 | *maxlink = be32_to_cpup(p); |
1da177e4 LT |
3786 | bitmap[0] &= ~FATTR4_WORD0_MAXLINK; |
3787 | } | |
3110ff80 | 3788 | dprintk("%s: maxlink=%u\n", __func__, *maxlink); |
1da177e4 | 3789 | return status; |
c0eae66e BH |
3790 | out_overflow: |
3791 | print_overflow_msg(__func__, xdr); | |
3792 | return -EIO; | |
1da177e4 LT |
3793 | } |
3794 | ||
3795 | static int decode_attr_maxname(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxname) | |
3796 | { | |
8687b63a | 3797 | __be32 *p; |
1da177e4 LT |
3798 | int status = 0; |
3799 | ||
3800 | *maxname = 1024; | |
3801 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXNAME - 1U))) | |
3802 | return -EIO; | |
3803 | if (likely(bitmap[0] & FATTR4_WORD0_MAXNAME)) { | |
c0eae66e BH |
3804 | p = xdr_inline_decode(xdr, 4); |
3805 | if (unlikely(!p)) | |
3806 | goto out_overflow; | |
cccddf4f | 3807 | *maxname = be32_to_cpup(p); |
1da177e4 LT |
3808 | bitmap[0] &= ~FATTR4_WORD0_MAXNAME; |
3809 | } | |
3110ff80 | 3810 | dprintk("%s: maxname=%u\n", __func__, *maxname); |
1da177e4 | 3811 | return status; |
c0eae66e BH |
3812 | out_overflow: |
3813 | print_overflow_msg(__func__, xdr); | |
3814 | return -EIO; | |
1da177e4 LT |
3815 | } |
3816 | ||
3817 | static int decode_attr_maxread(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3818 | { | |
8687b63a | 3819 | __be32 *p; |
1da177e4 LT |
3820 | int status = 0; |
3821 | ||
3822 | *res = 1024; | |
3823 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXREAD - 1U))) | |
3824 | return -EIO; | |
3825 | if (likely(bitmap[0] & FATTR4_WORD0_MAXREAD)) { | |
3826 | uint64_t maxread; | |
c0eae66e BH |
3827 | p = xdr_inline_decode(xdr, 8); |
3828 | if (unlikely(!p)) | |
3829 | goto out_overflow; | |
cccddf4f | 3830 | xdr_decode_hyper(p, &maxread); |
1da177e4 LT |
3831 | if (maxread > 0x7FFFFFFF) |
3832 | maxread = 0x7FFFFFFF; | |
3833 | *res = (uint32_t)maxread; | |
3834 | bitmap[0] &= ~FATTR4_WORD0_MAXREAD; | |
3835 | } | |
3110ff80 | 3836 | dprintk("%s: maxread=%lu\n", __func__, (unsigned long)*res); |
1da177e4 | 3837 | return status; |
c0eae66e BH |
3838 | out_overflow: |
3839 | print_overflow_msg(__func__, xdr); | |
3840 | return -EIO; | |
1da177e4 LT |
3841 | } |
3842 | ||
3843 | static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3844 | { | |
8687b63a | 3845 | __be32 *p; |
1da177e4 LT |
3846 | int status = 0; |
3847 | ||
3848 | *res = 1024; | |
3849 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXWRITE - 1U))) | |
3850 | return -EIO; | |
3851 | if (likely(bitmap[0] & FATTR4_WORD0_MAXWRITE)) { | |
3852 | uint64_t maxwrite; | |
c0eae66e BH |
3853 | p = xdr_inline_decode(xdr, 8); |
3854 | if (unlikely(!p)) | |
3855 | goto out_overflow; | |
cccddf4f | 3856 | xdr_decode_hyper(p, &maxwrite); |
1da177e4 LT |
3857 | if (maxwrite > 0x7FFFFFFF) |
3858 | maxwrite = 0x7FFFFFFF; | |
3859 | *res = (uint32_t)maxwrite; | |
3860 | bitmap[0] &= ~FATTR4_WORD0_MAXWRITE; | |
3861 | } | |
3110ff80 | 3862 | dprintk("%s: maxwrite=%lu\n", __func__, (unsigned long)*res); |
1da177e4 | 3863 | return status; |
c0eae66e BH |
3864 | out_overflow: |
3865 | print_overflow_msg(__func__, xdr); | |
3866 | return -EIO; | |
1da177e4 LT |
3867 | } |
3868 | ||
bca79478 | 3869 | static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, umode_t *mode) |
1da177e4 | 3870 | { |
bca79478 | 3871 | uint32_t tmp; |
8687b63a | 3872 | __be32 *p; |
409924e4 | 3873 | int ret = 0; |
1da177e4 LT |
3874 | |
3875 | *mode = 0; | |
3876 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MODE - 1U))) | |
3877 | return -EIO; | |
3878 | if (likely(bitmap[1] & FATTR4_WORD1_MODE)) { | |
c0eae66e BH |
3879 | p = xdr_inline_decode(xdr, 4); |
3880 | if (unlikely(!p)) | |
3881 | goto out_overflow; | |
cccddf4f | 3882 | tmp = be32_to_cpup(p); |
bca79478 | 3883 | *mode = tmp & ~S_IFMT; |
1da177e4 | 3884 | bitmap[1] &= ~FATTR4_WORD1_MODE; |
409924e4 | 3885 | ret = NFS_ATTR_FATTR_MODE; |
1da177e4 | 3886 | } |
3110ff80 | 3887 | dprintk("%s: file mode=0%o\n", __func__, (unsigned int)*mode); |
409924e4 | 3888 | return ret; |
c0eae66e BH |
3889 | out_overflow: |
3890 | print_overflow_msg(__func__, xdr); | |
3891 | return -EIO; | |
1da177e4 LT |
3892 | } |
3893 | ||
3894 | static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *nlink) | |
3895 | { | |
8687b63a | 3896 | __be32 *p; |
409924e4 | 3897 | int ret = 0; |
1da177e4 LT |
3898 | |
3899 | *nlink = 1; | |
3900 | if (unlikely(bitmap[1] & (FATTR4_WORD1_NUMLINKS - 1U))) | |
3901 | return -EIO; | |
3902 | if (likely(bitmap[1] & FATTR4_WORD1_NUMLINKS)) { | |
c0eae66e BH |
3903 | p = xdr_inline_decode(xdr, 4); |
3904 | if (unlikely(!p)) | |
3905 | goto out_overflow; | |
cccddf4f | 3906 | *nlink = be32_to_cpup(p); |
1da177e4 | 3907 | bitmap[1] &= ~FATTR4_WORD1_NUMLINKS; |
409924e4 | 3908 | ret = NFS_ATTR_FATTR_NLINK; |
1da177e4 | 3909 | } |
3110ff80 | 3910 | dprintk("%s: nlink=%u\n", __func__, (unsigned int)*nlink); |
409924e4 | 3911 | return ret; |
c0eae66e BH |
3912 | out_overflow: |
3913 | print_overflow_msg(__func__, xdr); | |
3914 | return -EIO; | |
1da177e4 LT |
3915 | } |
3916 | ||
686a816a TM |
3917 | static ssize_t decode_nfs4_string(struct xdr_stream *xdr, |
3918 | struct nfs4_string *name, gfp_t gfp_flags) | |
3919 | { | |
3920 | ssize_t ret; | |
3921 | ||
3922 | ret = xdr_stream_decode_string_dup(xdr, &name->data, | |
3923 | XDR_MAX_NETOBJ, gfp_flags); | |
3924 | name->len = 0; | |
3925 | if (ret > 0) | |
3926 | name->len = ret; | |
3927 | return ret; | |
3928 | } | |
3929 | ||
80e52ace | 3930 | static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, |
e5782076 | 3931 | const struct nfs_server *server, kuid_t *uid, |
6926afd1 | 3932 | struct nfs4_string *owner_name) |
1da177e4 | 3933 | { |
686a816a TM |
3934 | ssize_t len; |
3935 | char *p; | |
1da177e4 | 3936 | |
e5782076 | 3937 | *uid = make_kuid(&init_user_ns, -2); |
1da177e4 LT |
3938 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER - 1U))) |
3939 | return -EIO; | |
686a816a TM |
3940 | if (!(bitmap[1] & FATTR4_WORD1_OWNER)) |
3941 | return 0; | |
3942 | bitmap[1] &= ~FATTR4_WORD1_OWNER; | |
3943 | ||
3944 | if (owner_name != NULL) { | |
3945 | len = decode_nfs4_string(xdr, owner_name, GFP_NOWAIT); | |
3946 | if (len <= 0) | |
3947 | goto out; | |
3948 | dprintk("%s: name=%s\n", __func__, owner_name->data); | |
3949 | return NFS_ATTR_FATTR_OWNER_NAME; | |
3950 | } else { | |
3951 | len = xdr_stream_decode_opaque_inline(xdr, (void **)&p, | |
3952 | XDR_MAX_NETOBJ); | |
3953 | if (len <= 0 || nfs_map_name_to_uid(server, p, len, uid) != 0) | |
3954 | goto out; | |
3955 | dprintk("%s: uid=%d\n", __func__, (int)from_kuid(&init_user_ns, *uid)); | |
3956 | return NFS_ATTR_FATTR_OWNER; | |
1da177e4 | 3957 | } |
686a816a TM |
3958 | out: |
3959 | if (len != -EBADMSG) | |
3960 | return 0; | |
c0eae66e BH |
3961 | print_overflow_msg(__func__, xdr); |
3962 | return -EIO; | |
1da177e4 LT |
3963 | } |
3964 | ||
80e52ace | 3965 | static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, |
e5782076 | 3966 | const struct nfs_server *server, kgid_t *gid, |
6926afd1 | 3967 | struct nfs4_string *group_name) |
1da177e4 | 3968 | { |
686a816a TM |
3969 | ssize_t len; |
3970 | char *p; | |
1da177e4 | 3971 | |
e5782076 | 3972 | *gid = make_kgid(&init_user_ns, -2); |
1da177e4 LT |
3973 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER_GROUP - 1U))) |
3974 | return -EIO; | |
686a816a TM |
3975 | if (!(bitmap[1] & FATTR4_WORD1_OWNER_GROUP)) |
3976 | return 0; | |
3977 | bitmap[1] &= ~FATTR4_WORD1_OWNER_GROUP; | |
3978 | ||
3979 | if (group_name != NULL) { | |
3980 | len = decode_nfs4_string(xdr, group_name, GFP_NOWAIT); | |
3981 | if (len <= 0) | |
3982 | goto out; | |
3983 | dprintk("%s: name=%s\n", __func__, group_name->data); | |
6f1f6220 | 3984 | return NFS_ATTR_FATTR_GROUP_NAME; |
686a816a TM |
3985 | } else { |
3986 | len = xdr_stream_decode_opaque_inline(xdr, (void **)&p, | |
3987 | XDR_MAX_NETOBJ); | |
3988 | if (len <= 0 || nfs_map_group_to_gid(server, p, len, gid) != 0) | |
3989 | goto out; | |
3990 | dprintk("%s: gid=%d\n", __func__, (int)from_kgid(&init_user_ns, *gid)); | |
3991 | return NFS_ATTR_FATTR_GROUP; | |
1da177e4 | 3992 | } |
686a816a TM |
3993 | out: |
3994 | if (len != -EBADMSG) | |
3995 | return 0; | |
c0eae66e BH |
3996 | print_overflow_msg(__func__, xdr); |
3997 | return -EIO; | |
1da177e4 LT |
3998 | } |
3999 | ||
4000 | static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rdev) | |
4001 | { | |
8687b63a AV |
4002 | uint32_t major = 0, minor = 0; |
4003 | __be32 *p; | |
409924e4 | 4004 | int ret = 0; |
1da177e4 LT |
4005 | |
4006 | *rdev = MKDEV(0,0); | |
4007 | if (unlikely(bitmap[1] & (FATTR4_WORD1_RAWDEV - 1U))) | |
4008 | return -EIO; | |
4009 | if (likely(bitmap[1] & FATTR4_WORD1_RAWDEV)) { | |
4010 | dev_t tmp; | |
4011 | ||
c0eae66e BH |
4012 | p = xdr_inline_decode(xdr, 8); |
4013 | if (unlikely(!p)) | |
4014 | goto out_overflow; | |
6f723f77 | 4015 | major = be32_to_cpup(p++); |
cccddf4f | 4016 | minor = be32_to_cpup(p); |
1da177e4 LT |
4017 | tmp = MKDEV(major, minor); |
4018 | if (MAJOR(tmp) == major && MINOR(tmp) == minor) | |
4019 | *rdev = tmp; | |
4020 | bitmap[1] &= ~ FATTR4_WORD1_RAWDEV; | |
409924e4 | 4021 | ret = NFS_ATTR_FATTR_RDEV; |
1da177e4 | 4022 | } |
3110ff80 | 4023 | dprintk("%s: rdev=(0x%x:0x%x)\n", __func__, major, minor); |
409924e4 | 4024 | return ret; |
c0eae66e BH |
4025 | out_overflow: |
4026 | print_overflow_msg(__func__, xdr); | |
4027 | return -EIO; | |
1da177e4 LT |
4028 | } |
4029 | ||
4030 | static int decode_attr_space_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
4031 | { | |
8687b63a | 4032 | __be32 *p; |
1da177e4 LT |
4033 | int status = 0; |
4034 | ||
4035 | *res = 0; | |
4036 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_AVAIL - 1U))) | |
4037 | return -EIO; | |
4038 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_AVAIL)) { | |
c0eae66e BH |
4039 | p = xdr_inline_decode(xdr, 8); |
4040 | if (unlikely(!p)) | |
4041 | goto out_overflow; | |
cccddf4f | 4042 | xdr_decode_hyper(p, res); |
1da177e4 LT |
4043 | bitmap[1] &= ~FATTR4_WORD1_SPACE_AVAIL; |
4044 | } | |
3110ff80 | 4045 | dprintk("%s: space avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 4046 | return status; |
c0eae66e BH |
4047 | out_overflow: |
4048 | print_overflow_msg(__func__, xdr); | |
4049 | return -EIO; | |
1da177e4 LT |
4050 | } |
4051 | ||
4052 | static int decode_attr_space_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
4053 | { | |
8687b63a | 4054 | __be32 *p; |
1da177e4 LT |
4055 | int status = 0; |
4056 | ||
4057 | *res = 0; | |
4058 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_FREE - 1U))) | |
4059 | return -EIO; | |
4060 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_FREE)) { | |
c0eae66e BH |
4061 | p = xdr_inline_decode(xdr, 8); |
4062 | if (unlikely(!p)) | |
4063 | goto out_overflow; | |
cccddf4f | 4064 | xdr_decode_hyper(p, res); |
1da177e4 LT |
4065 | bitmap[1] &= ~FATTR4_WORD1_SPACE_FREE; |
4066 | } | |
3110ff80 | 4067 | dprintk("%s: space free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 4068 | return status; |
c0eae66e BH |
4069 | out_overflow: |
4070 | print_overflow_msg(__func__, xdr); | |
4071 | return -EIO; | |
1da177e4 LT |
4072 | } |
4073 | ||
4074 | static int decode_attr_space_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
4075 | { | |
8687b63a | 4076 | __be32 *p; |
1da177e4 LT |
4077 | int status = 0; |
4078 | ||
4079 | *res = 0; | |
4080 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_TOTAL - 1U))) | |
4081 | return -EIO; | |
4082 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_TOTAL)) { | |
c0eae66e BH |
4083 | p = xdr_inline_decode(xdr, 8); |
4084 | if (unlikely(!p)) | |
4085 | goto out_overflow; | |
cccddf4f | 4086 | xdr_decode_hyper(p, res); |
1da177e4 LT |
4087 | bitmap[1] &= ~FATTR4_WORD1_SPACE_TOTAL; |
4088 | } | |
3110ff80 | 4089 | dprintk("%s: space total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 4090 | return status; |
c0eae66e BH |
4091 | out_overflow: |
4092 | print_overflow_msg(__func__, xdr); | |
4093 | return -EIO; | |
1da177e4 LT |
4094 | } |
4095 | ||
4096 | static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *used) | |
4097 | { | |
8687b63a | 4098 | __be32 *p; |
409924e4 | 4099 | int ret = 0; |
1da177e4 LT |
4100 | |
4101 | *used = 0; | |
4102 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_USED - 1U))) | |
4103 | return -EIO; | |
4104 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_USED)) { | |
c0eae66e BH |
4105 | p = xdr_inline_decode(xdr, 8); |
4106 | if (unlikely(!p)) | |
4107 | goto out_overflow; | |
cccddf4f | 4108 | xdr_decode_hyper(p, used); |
1da177e4 | 4109 | bitmap[1] &= ~FATTR4_WORD1_SPACE_USED; |
409924e4 | 4110 | ret = NFS_ATTR_FATTR_SPACE_USED; |
1da177e4 | 4111 | } |
3110ff80 | 4112 | dprintk("%s: space used=%Lu\n", __func__, |
1da177e4 | 4113 | (unsigned long long)*used); |
409924e4 | 4114 | return ret; |
c0eae66e BH |
4115 | out_overflow: |
4116 | print_overflow_msg(__func__, xdr); | |
4117 | return -EIO; | |
1da177e4 LT |
4118 | } |
4119 | ||
4120 | static int decode_attr_time(struct xdr_stream *xdr, struct timespec *time) | |
4121 | { | |
8687b63a | 4122 | __be32 *p; |
1da177e4 LT |
4123 | uint64_t sec; |
4124 | uint32_t nsec; | |
4125 | ||
c0eae66e BH |
4126 | p = xdr_inline_decode(xdr, 12); |
4127 | if (unlikely(!p)) | |
4128 | goto out_overflow; | |
3ceb4dbb | 4129 | p = xdr_decode_hyper(p, &sec); |
cccddf4f | 4130 | nsec = be32_to_cpup(p); |
1da177e4 LT |
4131 | time->tv_sec = (time_t)sec; |
4132 | time->tv_nsec = (long)nsec; | |
4133 | return 0; | |
c0eae66e BH |
4134 | out_overflow: |
4135 | print_overflow_msg(__func__, xdr); | |
4136 | return -EIO; | |
1da177e4 LT |
4137 | } |
4138 | ||
4139 | static int decode_attr_time_access(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
4140 | { | |
4141 | int status = 0; | |
4142 | ||
4143 | time->tv_sec = 0; | |
4144 | time->tv_nsec = 0; | |
4145 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_ACCESS - 1U))) | |
4146 | return -EIO; | |
4147 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_ACCESS)) { | |
4148 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4149 | if (status == 0) |
4150 | status = NFS_ATTR_FATTR_ATIME; | |
1da177e4 LT |
4151 | bitmap[1] &= ~FATTR4_WORD1_TIME_ACCESS; |
4152 | } | |
3110ff80 | 4153 | dprintk("%s: atime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
4154 | return status; |
4155 | } | |
4156 | ||
4157 | static int decode_attr_time_metadata(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
4158 | { | |
4159 | int status = 0; | |
4160 | ||
4161 | time->tv_sec = 0; | |
4162 | time->tv_nsec = 0; | |
4163 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_METADATA - 1U))) | |
4164 | return -EIO; | |
4165 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_METADATA)) { | |
4166 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4167 | if (status == 0) |
4168 | status = NFS_ATTR_FATTR_CTIME; | |
1da177e4 LT |
4169 | bitmap[1] &= ~FATTR4_WORD1_TIME_METADATA; |
4170 | } | |
3110ff80 | 4171 | dprintk("%s: ctime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
4172 | return status; |
4173 | } | |
4174 | ||
55b6e774 RL |
4175 | static int decode_attr_time_delta(struct xdr_stream *xdr, uint32_t *bitmap, |
4176 | struct timespec *time) | |
4177 | { | |
4178 | int status = 0; | |
4179 | ||
4180 | time->tv_sec = 0; | |
4181 | time->tv_nsec = 0; | |
4182 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_DELTA - 1U))) | |
4183 | return -EIO; | |
4184 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_DELTA)) { | |
4185 | status = decode_attr_time(xdr, time); | |
4186 | bitmap[1] &= ~FATTR4_WORD1_TIME_DELTA; | |
4187 | } | |
4188 | dprintk("%s: time_delta=%ld %ld\n", __func__, (long)time->tv_sec, | |
4189 | (long)time->tv_nsec); | |
4190 | return status; | |
4191 | } | |
4192 | ||
aa9c2669 DQ |
4193 | static int decode_attr_security_label(struct xdr_stream *xdr, uint32_t *bitmap, |
4194 | struct nfs4_label *label) | |
4195 | { | |
4196 | uint32_t pi = 0; | |
4197 | uint32_t lfs = 0; | |
4198 | __u32 len; | |
4199 | __be32 *p; | |
4200 | int status = 0; | |
4201 | ||
4202 | if (unlikely(bitmap[2] & (FATTR4_WORD2_SECURITY_LABEL - 1U))) | |
4203 | return -EIO; | |
4204 | if (likely(bitmap[2] & FATTR4_WORD2_SECURITY_LABEL)) { | |
4205 | p = xdr_inline_decode(xdr, 4); | |
4206 | if (unlikely(!p)) | |
4207 | goto out_overflow; | |
4208 | lfs = be32_to_cpup(p++); | |
4209 | p = xdr_inline_decode(xdr, 4); | |
4210 | if (unlikely(!p)) | |
4211 | goto out_overflow; | |
4212 | pi = be32_to_cpup(p++); | |
4213 | p = xdr_inline_decode(xdr, 4); | |
4214 | if (unlikely(!p)) | |
4215 | goto out_overflow; | |
4216 | len = be32_to_cpup(p++); | |
4217 | p = xdr_inline_decode(xdr, len); | |
4218 | if (unlikely(!p)) | |
4219 | goto out_overflow; | |
4220 | if (len < NFS4_MAXLABELLEN) { | |
4221 | if (label) { | |
4222 | memcpy(label->label, p, len); | |
4223 | label->len = len; | |
4224 | label->pi = pi; | |
4225 | label->lfs = lfs; | |
4226 | status = NFS_ATTR_FATTR_V4_SECURITY_LABEL; | |
4227 | } | |
4228 | bitmap[2] &= ~FATTR4_WORD2_SECURITY_LABEL; | |
4229 | } else | |
4230 | printk(KERN_WARNING "%s: label too long (%u)!\n", | |
4231 | __func__, len); | |
4232 | } | |
4233 | if (label && label->label) | |
4234 | dprintk("%s: label=%s, len=%d, PI=%d, LFS=%d\n", __func__, | |
4235 | (char *)label->label, label->len, label->pi, label->lfs); | |
4236 | return status; | |
4237 | ||
4238 | out_overflow: | |
4239 | print_overflow_msg(__func__, xdr); | |
4240 | return -EIO; | |
4241 | } | |
4242 | ||
1da177e4 LT |
4243 | static int decode_attr_time_modify(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) |
4244 | { | |
4245 | int status = 0; | |
4246 | ||
4247 | time->tv_sec = 0; | |
4248 | time->tv_nsec = 0; | |
4249 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_MODIFY - 1U))) | |
4250 | return -EIO; | |
4251 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_MODIFY)) { | |
4252 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4253 | if (status == 0) |
4254 | status = NFS_ATTR_FATTR_MTIME; | |
1da177e4 LT |
4255 | bitmap[1] &= ~FATTR4_WORD1_TIME_MODIFY; |
4256 | } | |
3110ff80 | 4257 | dprintk("%s: mtime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
4258 | return status; |
4259 | } | |
4260 | ||
256e48bb | 4261 | static int verify_attr_len(struct xdr_stream *xdr, unsigned int savep, uint32_t attrlen) |
1da177e4 LT |
4262 | { |
4263 | unsigned int attrwords = XDR_QUADLEN(attrlen); | |
256e48bb | 4264 | unsigned int nwords = (xdr_stream_pos(xdr) - savep) >> 2; |
1da177e4 LT |
4265 | |
4266 | if (unlikely(attrwords != nwords)) { | |
fe82a183 CL |
4267 | dprintk("%s: server returned incorrect attribute length: " |
4268 | "%u %c %u\n", | |
3110ff80 | 4269 | __func__, |
1da177e4 LT |
4270 | attrwords << 2, |
4271 | (attrwords < nwords) ? '<' : '>', | |
4272 | nwords << 2); | |
4273 | return -EIO; | |
4274 | } | |
4275 | return 0; | |
4276 | } | |
4277 | ||
4278 | static int decode_change_info(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4279 | { | |
8687b63a | 4280 | __be32 *p; |
1da177e4 | 4281 | |
c0eae66e BH |
4282 | p = xdr_inline_decode(xdr, 20); |
4283 | if (unlikely(!p)) | |
4284 | goto out_overflow; | |
6f723f77 | 4285 | cinfo->atomic = be32_to_cpup(p++); |
3ceb4dbb | 4286 | p = xdr_decode_hyper(p, &cinfo->before); |
cccddf4f | 4287 | xdr_decode_hyper(p, &cinfo->after); |
1da177e4 | 4288 | return 0; |
c0eae66e BH |
4289 | out_overflow: |
4290 | print_overflow_msg(__func__, xdr); | |
4291 | return -EIO; | |
1da177e4 LT |
4292 | } |
4293 | ||
6168f62c | 4294 | static int decode_access(struct xdr_stream *xdr, u32 *supported, u32 *access) |
1da177e4 | 4295 | { |
8687b63a | 4296 | __be32 *p; |
1da177e4 LT |
4297 | uint32_t supp, acc; |
4298 | int status; | |
4299 | ||
4300 | status = decode_op_hdr(xdr, OP_ACCESS); | |
4301 | if (status) | |
4302 | return status; | |
c0eae66e BH |
4303 | p = xdr_inline_decode(xdr, 8); |
4304 | if (unlikely(!p)) | |
4305 | goto out_overflow; | |
6f723f77 | 4306 | supp = be32_to_cpup(p++); |
cccddf4f | 4307 | acc = be32_to_cpup(p); |
6168f62c WAA |
4308 | *supported = supp; |
4309 | *access = acc; | |
1da177e4 | 4310 | return 0; |
c0eae66e BH |
4311 | out_overflow: |
4312 | print_overflow_msg(__func__, xdr); | |
4313 | return -EIO; | |
1da177e4 LT |
4314 | } |
4315 | ||
07d30434 | 4316 | static int decode_opaque_fixed(struct xdr_stream *xdr, void *buf, size_t len) |
1da177e4 | 4317 | { |
ab6e9aaf TM |
4318 | ssize_t ret = xdr_stream_decode_opaque_fixed(xdr, buf, len); |
4319 | if (unlikely(ret < 0)) { | |
4320 | print_overflow_msg(__func__, xdr); | |
4321 | return -EIO; | |
07d30434 | 4322 | } |
ab6e9aaf | 4323 | return 0; |
07d30434 BH |
4324 | } |
4325 | ||
4326 | static int decode_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) | |
4327 | { | |
2d2f24ad | 4328 | return decode_opaque_fixed(xdr, stateid, NFS4_STATEID_SIZE); |
07d30434 BH |
4329 | } |
4330 | ||
93b717fd TM |
4331 | static int decode_open_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) |
4332 | { | |
4333 | stateid->type = NFS4_OPEN_STATEID_TYPE; | |
4334 | return decode_stateid(xdr, stateid); | |
4335 | } | |
4336 | ||
4337 | static int decode_lock_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) | |
4338 | { | |
4339 | stateid->type = NFS4_LOCK_STATEID_TYPE; | |
4340 | return decode_stateid(xdr, stateid); | |
4341 | } | |
4342 | ||
4343 | static int decode_delegation_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) | |
4344 | { | |
4345 | stateid->type = NFS4_DELEGATION_STATEID_TYPE; | |
4346 | return decode_stateid(xdr, stateid); | |
4347 | } | |
4348 | ||
07d30434 BH |
4349 | static int decode_close(struct xdr_stream *xdr, struct nfs_closeres *res) |
4350 | { | |
1da177e4 LT |
4351 | int status; |
4352 | ||
4353 | status = decode_op_hdr(xdr, OP_CLOSE); | |
c1d51931 TM |
4354 | if (status != -EIO) |
4355 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 | 4356 | if (!status) |
93b717fd | 4357 | status = decode_open_stateid(xdr, &res->stateid); |
07d30434 | 4358 | return status; |
1da177e4 LT |
4359 | } |
4360 | ||
db942bbd BH |
4361 | static int decode_verifier(struct xdr_stream *xdr, void *verifier) |
4362 | { | |
cd93710e | 4363 | return decode_opaque_fixed(xdr, verifier, NFS4_VERIFIER_SIZE); |
1da177e4 LT |
4364 | } |
4365 | ||
2f2c63bc TM |
4366 | static int decode_write_verifier(struct xdr_stream *xdr, struct nfs_write_verifier *verifier) |
4367 | { | |
4368 | return decode_opaque_fixed(xdr, verifier->data, NFS4_VERIFIER_SIZE); | |
4369 | } | |
4370 | ||
0b7c0153 | 4371 | static int decode_commit(struct xdr_stream *xdr, struct nfs_commitres *res) |
1da177e4 | 4372 | { |
1da177e4 LT |
4373 | int status; |
4374 | ||
4375 | status = decode_op_hdr(xdr, OP_COMMIT); | |
db942bbd | 4376 | if (!status) |
2f2c63bc | 4377 | status = decode_write_verifier(xdr, &res->verf->verifier); |
db942bbd | 4378 | return status; |
1da177e4 LT |
4379 | } |
4380 | ||
4381 | static int decode_create(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4382 | { | |
8687b63a | 4383 | __be32 *p; |
1da177e4 LT |
4384 | uint32_t bmlen; |
4385 | int status; | |
4386 | ||
4387 | status = decode_op_hdr(xdr, OP_CREATE); | |
4388 | if (status) | |
4389 | return status; | |
4390 | if ((status = decode_change_info(xdr, cinfo))) | |
4391 | return status; | |
c0eae66e BH |
4392 | p = xdr_inline_decode(xdr, 4); |
4393 | if (unlikely(!p)) | |
4394 | goto out_overflow; | |
cccddf4f | 4395 | bmlen = be32_to_cpup(p); |
c0eae66e BH |
4396 | p = xdr_inline_decode(xdr, bmlen << 2); |
4397 | if (likely(p)) | |
4398 | return 0; | |
4399 | out_overflow: | |
4400 | print_overflow_msg(__func__, xdr); | |
4401 | return -EIO; | |
1da177e4 LT |
4402 | } |
4403 | ||
4404 | static int decode_server_caps(struct xdr_stream *xdr, struct nfs4_server_caps_res *res) | |
4405 | { | |
256e48bb | 4406 | unsigned int savep; |
dae100c2 | 4407 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 LT |
4408 | int status; |
4409 | ||
4410 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
4411 | goto xdr_error; | |
4412 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4413 | goto xdr_error; | |
4414 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4415 | goto xdr_error; | |
4416 | if ((status = decode_attr_supported(xdr, bitmap, res->attr_bitmask)) != 0) | |
4417 | goto xdr_error; | |
264e6351 CL |
4418 | if ((status = decode_attr_fh_expire_type(xdr, bitmap, |
4419 | &res->fh_expire_type)) != 0) | |
4420 | goto xdr_error; | |
1da177e4 LT |
4421 | if ((status = decode_attr_link_support(xdr, bitmap, &res->has_links)) != 0) |
4422 | goto xdr_error; | |
4423 | if ((status = decode_attr_symlink_support(xdr, bitmap, &res->has_symlinks)) != 0) | |
4424 | goto xdr_error; | |
4425 | if ((status = decode_attr_aclsupport(xdr, bitmap, &res->acl_bitmask)) != 0) | |
4426 | goto xdr_error; | |
8c61282f KM |
4427 | if ((status = decode_attr_exclcreat_supported(xdr, bitmap, |
4428 | res->exclcreat_bitmask)) != 0) | |
4429 | goto xdr_error; | |
1da177e4 LT |
4430 | status = verify_attr_len(xdr, savep, attrlen); |
4431 | xdr_error: | |
3110ff80 | 4432 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4433 | return status; |
4434 | } | |
6c0195a4 | 4435 | |
1da177e4 LT |
4436 | static int decode_statfs(struct xdr_stream *xdr, struct nfs_fsstat *fsstat) |
4437 | { | |
256e48bb | 4438 | unsigned int savep; |
dae100c2 | 4439 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 | 4440 | int status; |
6c0195a4 | 4441 | |
1da177e4 LT |
4442 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
4443 | goto xdr_error; | |
4444 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4445 | goto xdr_error; | |
4446 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4447 | goto xdr_error; | |
4448 | ||
4449 | if ((status = decode_attr_files_avail(xdr, bitmap, &fsstat->afiles)) != 0) | |
4450 | goto xdr_error; | |
4451 | if ((status = decode_attr_files_free(xdr, bitmap, &fsstat->ffiles)) != 0) | |
4452 | goto xdr_error; | |
4453 | if ((status = decode_attr_files_total(xdr, bitmap, &fsstat->tfiles)) != 0) | |
4454 | goto xdr_error; | |
1ca843a2 AG |
4455 | |
4456 | status = -EIO; | |
4457 | if (unlikely(bitmap[0])) | |
4458 | goto xdr_error; | |
4459 | ||
1da177e4 LT |
4460 | if ((status = decode_attr_space_avail(xdr, bitmap, &fsstat->abytes)) != 0) |
4461 | goto xdr_error; | |
4462 | if ((status = decode_attr_space_free(xdr, bitmap, &fsstat->fbytes)) != 0) | |
4463 | goto xdr_error; | |
4464 | if ((status = decode_attr_space_total(xdr, bitmap, &fsstat->tbytes)) != 0) | |
4465 | goto xdr_error; | |
4466 | ||
4467 | status = verify_attr_len(xdr, savep, attrlen); | |
4468 | xdr_error: | |
3110ff80 | 4469 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4470 | return status; |
4471 | } | |
4472 | ||
4473 | static int decode_pathconf(struct xdr_stream *xdr, struct nfs_pathconf *pathconf) | |
4474 | { | |
256e48bb | 4475 | unsigned int savep; |
dae100c2 | 4476 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 | 4477 | int status; |
6c0195a4 | 4478 | |
1da177e4 LT |
4479 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
4480 | goto xdr_error; | |
4481 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4482 | goto xdr_error; | |
4483 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4484 | goto xdr_error; | |
4485 | ||
4486 | if ((status = decode_attr_maxlink(xdr, bitmap, &pathconf->max_link)) != 0) | |
4487 | goto xdr_error; | |
4488 | if ((status = decode_attr_maxname(xdr, bitmap, &pathconf->max_namelen)) != 0) | |
4489 | goto xdr_error; | |
4490 | ||
4491 | status = verify_attr_len(xdr, savep, attrlen); | |
4492 | xdr_error: | |
3110ff80 | 4493 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4494 | return status; |
4495 | } | |
4496 | ||
88034c3d AA |
4497 | static int decode_threshold_hint(struct xdr_stream *xdr, |
4498 | uint32_t *bitmap, | |
4499 | uint64_t *res, | |
4500 | uint32_t hint_bit) | |
4501 | { | |
4502 | __be32 *p; | |
4503 | ||
4504 | *res = 0; | |
4505 | if (likely(bitmap[0] & hint_bit)) { | |
4506 | p = xdr_inline_decode(xdr, 8); | |
4507 | if (unlikely(!p)) | |
4508 | goto out_overflow; | |
4509 | xdr_decode_hyper(p, res); | |
4510 | } | |
4511 | return 0; | |
4512 | out_overflow: | |
4513 | print_overflow_msg(__func__, xdr); | |
4514 | return -EIO; | |
4515 | } | |
4516 | ||
4517 | static int decode_first_threshold_item4(struct xdr_stream *xdr, | |
4518 | struct nfs4_threshold *res) | |
4519 | { | |
256e48bb TM |
4520 | __be32 *p; |
4521 | unsigned int savep; | |
88034c3d AA |
4522 | uint32_t bitmap[3] = {0,}, attrlen; |
4523 | int status; | |
4524 | ||
4525 | /* layout type */ | |
4526 | p = xdr_inline_decode(xdr, 4); | |
4527 | if (unlikely(!p)) { | |
4528 | print_overflow_msg(__func__, xdr); | |
4529 | return -EIO; | |
4530 | } | |
4531 | res->l_type = be32_to_cpup(p); | |
4532 | ||
4533 | /* thi_hintset bitmap */ | |
4534 | status = decode_attr_bitmap(xdr, bitmap); | |
4535 | if (status < 0) | |
4536 | goto xdr_error; | |
4537 | ||
4538 | /* thi_hintlist length */ | |
4539 | status = decode_attr_length(xdr, &attrlen, &savep); | |
4540 | if (status < 0) | |
4541 | goto xdr_error; | |
4542 | /* thi_hintlist */ | |
4543 | status = decode_threshold_hint(xdr, bitmap, &res->rd_sz, THRESHOLD_RD); | |
4544 | if (status < 0) | |
4545 | goto xdr_error; | |
4546 | status = decode_threshold_hint(xdr, bitmap, &res->wr_sz, THRESHOLD_WR); | |
4547 | if (status < 0) | |
4548 | goto xdr_error; | |
4549 | status = decode_threshold_hint(xdr, bitmap, &res->rd_io_sz, | |
4550 | THRESHOLD_RD_IO); | |
4551 | if (status < 0) | |
4552 | goto xdr_error; | |
4553 | status = decode_threshold_hint(xdr, bitmap, &res->wr_io_sz, | |
4554 | THRESHOLD_WR_IO); | |
4555 | if (status < 0) | |
4556 | goto xdr_error; | |
4557 | ||
4558 | status = verify_attr_len(xdr, savep, attrlen); | |
4559 | res->bm = bitmap[0]; | |
4560 | ||
4561 | dprintk("%s bm=0x%x rd_sz=%llu wr_sz=%llu rd_io=%llu wr_io=%llu\n", | |
4562 | __func__, res->bm, res->rd_sz, res->wr_sz, res->rd_io_sz, | |
4563 | res->wr_io_sz); | |
4564 | xdr_error: | |
4565 | dprintk("%s ret=%d!\n", __func__, status); | |
4566 | return status; | |
4567 | } | |
4568 | ||
4569 | /* | |
4570 | * Thresholds on pNFS direct I/O vrs MDS I/O | |
4571 | */ | |
4572 | static int decode_attr_mdsthreshold(struct xdr_stream *xdr, | |
4573 | uint32_t *bitmap, | |
4574 | struct nfs4_threshold *res) | |
4575 | { | |
4576 | __be32 *p; | |
4577 | int status = 0; | |
4578 | uint32_t num; | |
4579 | ||
4580 | if (unlikely(bitmap[2] & (FATTR4_WORD2_MDSTHRESHOLD - 1U))) | |
4581 | return -EIO; | |
029c5347 | 4582 | if (bitmap[2] & FATTR4_WORD2_MDSTHRESHOLD) { |
1549210f TM |
4583 | /* Did the server return an unrequested attribute? */ |
4584 | if (unlikely(res == NULL)) | |
4585 | return -EREMOTEIO; | |
88034c3d AA |
4586 | p = xdr_inline_decode(xdr, 4); |
4587 | if (unlikely(!p)) | |
4588 | goto out_overflow; | |
4589 | num = be32_to_cpup(p); | |
4590 | if (num == 0) | |
4591 | return 0; | |
4592 | if (num > 1) | |
4593 | printk(KERN_INFO "%s: Warning: Multiple pNFS layout " | |
4594 | "drivers per filesystem not supported\n", | |
4595 | __func__); | |
4596 | ||
4597 | status = decode_first_threshold_item4(xdr, res); | |
029c5347 | 4598 | bitmap[2] &= ~FATTR4_WORD2_MDSTHRESHOLD; |
88034c3d AA |
4599 | } |
4600 | return status; | |
4601 | out_overflow: | |
4602 | print_overflow_msg(__func__, xdr); | |
4603 | return -EIO; | |
4604 | } | |
4605 | ||
ae42c70a BS |
4606 | static int decode_getfattr_attrs(struct xdr_stream *xdr, uint32_t *bitmap, |
4607 | struct nfs_fattr *fattr, struct nfs_fh *fh, | |
aa9c2669 | 4608 | struct nfs4_fs_locations *fs_loc, struct nfs4_label *label, |
6926afd1 | 4609 | const struct nfs_server *server) |
1da177e4 | 4610 | { |
bca79478 TM |
4611 | int status; |
4612 | umode_t fmode = 0; | |
ae42c70a | 4613 | uint32_t type; |
ee7b75fc | 4614 | int32_t err; |
1da177e4 | 4615 | |
f26c7a78 TM |
4616 | status = decode_attr_type(xdr, bitmap, &type); |
4617 | if (status < 0) | |
1da177e4 | 4618 | goto xdr_error; |
409924e4 TM |
4619 | fattr->mode = 0; |
4620 | if (status != 0) { | |
4621 | fattr->mode |= nfs_type2fmt[type]; | |
4622 | fattr->valid |= status; | |
4623 | } | |
1da177e4 | 4624 | |
f26c7a78 TM |
4625 | status = decode_attr_change(xdr, bitmap, &fattr->change_attr); |
4626 | if (status < 0) | |
1da177e4 | 4627 | goto xdr_error; |
409924e4 | 4628 | fattr->valid |= status; |
f26c7a78 TM |
4629 | |
4630 | status = decode_attr_size(xdr, bitmap, &fattr->size); | |
4631 | if (status < 0) | |
1da177e4 | 4632 | goto xdr_error; |
409924e4 | 4633 | fattr->valid |= status; |
f26c7a78 TM |
4634 | |
4635 | status = decode_attr_fsid(xdr, bitmap, &fattr->fsid); | |
4636 | if (status < 0) | |
1da177e4 | 4637 | goto xdr_error; |
409924e4 | 4638 | fattr->valid |= status; |
f26c7a78 | 4639 | |
ee7b75fc TM |
4640 | err = 0; |
4641 | status = decode_attr_error(xdr, bitmap, &err); | |
ae42c70a BS |
4642 | if (status < 0) |
4643 | goto xdr_error; | |
4644 | ||
4645 | status = decode_attr_filehandle(xdr, bitmap, fh); | |
4646 | if (status < 0) | |
4647 | goto xdr_error; | |
4648 | ||
f26c7a78 TM |
4649 | status = decode_attr_fileid(xdr, bitmap, &fattr->fileid); |
4650 | if (status < 0) | |
1da177e4 | 4651 | goto xdr_error; |
409924e4 | 4652 | fattr->valid |= status; |
f26c7a78 | 4653 | |
8b7e3f49 | 4654 | status = decode_attr_fs_locations(xdr, bitmap, fs_loc); |
f26c7a78 | 4655 | if (status < 0) |
683b57b4 | 4656 | goto xdr_error; |
409924e4 | 4657 | fattr->valid |= status; |
f26c7a78 | 4658 | |
1ca843a2 AG |
4659 | status = -EIO; |
4660 | if (unlikely(bitmap[0])) | |
4661 | goto xdr_error; | |
4662 | ||
f26c7a78 TM |
4663 | status = decode_attr_mode(xdr, bitmap, &fmode); |
4664 | if (status < 0) | |
1da177e4 | 4665 | goto xdr_error; |
409924e4 TM |
4666 | if (status != 0) { |
4667 | fattr->mode |= fmode; | |
4668 | fattr->valid |= status; | |
4669 | } | |
f26c7a78 TM |
4670 | |
4671 | status = decode_attr_nlink(xdr, bitmap, &fattr->nlink); | |
4672 | if (status < 0) | |
1da177e4 | 4673 | goto xdr_error; |
409924e4 | 4674 | fattr->valid |= status; |
f26c7a78 | 4675 | |
6926afd1 | 4676 | status = decode_attr_owner(xdr, bitmap, server, &fattr->uid, fattr->owner_name); |
f26c7a78 | 4677 | if (status < 0) |
1da177e4 | 4678 | goto xdr_error; |
409924e4 | 4679 | fattr->valid |= status; |
f26c7a78 | 4680 | |
6926afd1 | 4681 | status = decode_attr_group(xdr, bitmap, server, &fattr->gid, fattr->group_name); |
f26c7a78 | 4682 | if (status < 0) |
1da177e4 | 4683 | goto xdr_error; |
409924e4 | 4684 | fattr->valid |= status; |
f26c7a78 TM |
4685 | |
4686 | status = decode_attr_rdev(xdr, bitmap, &fattr->rdev); | |
4687 | if (status < 0) | |
1da177e4 | 4688 | goto xdr_error; |
409924e4 | 4689 | fattr->valid |= status; |
f26c7a78 TM |
4690 | |
4691 | status = decode_attr_space_used(xdr, bitmap, &fattr->du.nfs3.used); | |
4692 | if (status < 0) | |
1da177e4 | 4693 | goto xdr_error; |
409924e4 | 4694 | fattr->valid |= status; |
f26c7a78 TM |
4695 | |
4696 | status = decode_attr_time_access(xdr, bitmap, &fattr->atime); | |
4697 | if (status < 0) | |
1da177e4 | 4698 | goto xdr_error; |
409924e4 | 4699 | fattr->valid |= status; |
f26c7a78 TM |
4700 | |
4701 | status = decode_attr_time_metadata(xdr, bitmap, &fattr->ctime); | |
4702 | if (status < 0) | |
1da177e4 | 4703 | goto xdr_error; |
409924e4 | 4704 | fattr->valid |= status; |
f26c7a78 TM |
4705 | |
4706 | status = decode_attr_time_modify(xdr, bitmap, &fattr->mtime); | |
4707 | if (status < 0) | |
1da177e4 | 4708 | goto xdr_error; |
409924e4 | 4709 | fattr->valid |= status; |
f26c7a78 | 4710 | |
28331a46 | 4711 | status = decode_attr_mounted_on_fileid(xdr, bitmap, &fattr->mounted_on_fileid); |
f26c7a78 | 4712 | if (status < 0) |
99baf625 | 4713 | goto xdr_error; |
28331a46 | 4714 | fattr->valid |= status; |
f26c7a78 | 4715 | |
1ca843a2 AG |
4716 | status = -EIO; |
4717 | if (unlikely(bitmap[1])) | |
4718 | goto xdr_error; | |
4719 | ||
88034c3d AA |
4720 | status = decode_attr_mdsthreshold(xdr, bitmap, fattr->mdsthreshold); |
4721 | if (status < 0) | |
4722 | goto xdr_error; | |
4723 | ||
aa9c2669 DQ |
4724 | if (label) { |
4725 | status = decode_attr_security_label(xdr, bitmap, label); | |
4726 | if (status < 0) | |
4727 | goto xdr_error; | |
4728 | fattr->valid |= status; | |
4729 | } | |
4730 | ||
ae42c70a BS |
4731 | xdr_error: |
4732 | dprintk("%s: xdr returned %d\n", __func__, -status); | |
4733 | return status; | |
4734 | } | |
4735 | ||
4736 | static int decode_getfattr_generic(struct xdr_stream *xdr, struct nfs_fattr *fattr, | |
8b7e3f49 | 4737 | struct nfs_fh *fh, struct nfs4_fs_locations *fs_loc, |
aa9c2669 | 4738 | struct nfs4_label *label, const struct nfs_server *server) |
ae42c70a | 4739 | { |
256e48bb | 4740 | unsigned int savep; |
ae42c70a | 4741 | uint32_t attrlen, |
dae100c2 | 4742 | bitmap[3] = {0}; |
ae42c70a BS |
4743 | int status; |
4744 | ||
4745 | status = decode_op_hdr(xdr, OP_GETATTR); | |
4746 | if (status < 0) | |
4747 | goto xdr_error; | |
4748 | ||
4749 | status = decode_attr_bitmap(xdr, bitmap); | |
4750 | if (status < 0) | |
4751 | goto xdr_error; | |
4752 | ||
4753 | status = decode_attr_length(xdr, &attrlen, &savep); | |
4754 | if (status < 0) | |
4755 | goto xdr_error; | |
4756 | ||
aa9c2669 DQ |
4757 | status = decode_getfattr_attrs(xdr, bitmap, fattr, fh, fs_loc, |
4758 | label, server); | |
ae42c70a BS |
4759 | if (status < 0) |
4760 | goto xdr_error; | |
4761 | ||
f26c7a78 | 4762 | status = verify_attr_len(xdr, savep, attrlen); |
1da177e4 | 4763 | xdr_error: |
3110ff80 | 4764 | dprintk("%s: xdr returned %d\n", __func__, -status); |
1da177e4 LT |
4765 | return status; |
4766 | } | |
4767 | ||
aa9c2669 DQ |
4768 | static int decode_getfattr_label(struct xdr_stream *xdr, struct nfs_fattr *fattr, |
4769 | struct nfs4_label *label, const struct nfs_server *server) | |
4770 | { | |
4771 | return decode_getfattr_generic(xdr, fattr, NULL, NULL, label, server); | |
4772 | } | |
4773 | ||
ae42c70a | 4774 | static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr, |
6926afd1 | 4775 | const struct nfs_server *server) |
ae42c70a | 4776 | { |
aa9c2669 | 4777 | return decode_getfattr_generic(xdr, fattr, NULL, NULL, NULL, server); |
ae42c70a | 4778 | } |
1da177e4 | 4779 | |
504913fb | 4780 | /* |
3132e49e | 4781 | * Decode potentially multiple layout types. |
504913fb | 4782 | */ |
3132e49e | 4783 | static int decode_pnfs_layout_types(struct xdr_stream *xdr, |
ca440c38 | 4784 | struct nfs_fsinfo *fsinfo) |
504913fb | 4785 | { |
b8a8a0dd | 4786 | __be32 *p; |
ca440c38 | 4787 | uint32_t i; |
504913fb AA |
4788 | |
4789 | p = xdr_inline_decode(xdr, 4); | |
4790 | if (unlikely(!p)) | |
4791 | goto out_overflow; | |
ca440c38 | 4792 | fsinfo->nlayouttypes = be32_to_cpup(p); |
504913fb AA |
4793 | |
4794 | /* pNFS is not supported by the underlying file system */ | |
ca440c38 | 4795 | if (fsinfo->nlayouttypes == 0) |
504913fb | 4796 | return 0; |
504913fb AA |
4797 | |
4798 | /* Decode and set first layout type, move xdr->p past unused types */ | |
ca440c38 | 4799 | p = xdr_inline_decode(xdr, fsinfo->nlayouttypes * 4); |
504913fb AA |
4800 | if (unlikely(!p)) |
4801 | goto out_overflow; | |
ca440c38 JL |
4802 | |
4803 | /* If we get too many, then just cap it at the max */ | |
4804 | if (fsinfo->nlayouttypes > NFS_MAX_LAYOUT_TYPES) { | |
4805 | printk(KERN_INFO "NFS: %s: Warning: Too many (%u) pNFS layout types\n", | |
4806 | __func__, fsinfo->nlayouttypes); | |
4807 | fsinfo->nlayouttypes = NFS_MAX_LAYOUT_TYPES; | |
4808 | } | |
4809 | ||
4810 | for(i = 0; i < fsinfo->nlayouttypes; ++i) | |
4811 | fsinfo->layouttype[i] = be32_to_cpup(p++); | |
504913fb AA |
4812 | return 0; |
4813 | out_overflow: | |
4814 | print_overflow_msg(__func__, xdr); | |
4815 | return -EIO; | |
4816 | } | |
4817 | ||
4818 | /* | |
4819 | * The type of file system exported. | |
4820 | * Note we must ensure that layouttype is set in any non-error case. | |
4821 | */ | |
4822 | static int decode_attr_pnfstype(struct xdr_stream *xdr, uint32_t *bitmap, | |
ca440c38 | 4823 | struct nfs_fsinfo *fsinfo) |
504913fb AA |
4824 | { |
4825 | int status = 0; | |
4826 | ||
4827 | dprintk("%s: bitmap is %x\n", __func__, bitmap[1]); | |
4828 | if (unlikely(bitmap[1] & (FATTR4_WORD1_FS_LAYOUT_TYPES - 1U))) | |
4829 | return -EIO; | |
4830 | if (bitmap[1] & FATTR4_WORD1_FS_LAYOUT_TYPES) { | |
ca440c38 | 4831 | status = decode_pnfs_layout_types(xdr, fsinfo); |
504913fb | 4832 | bitmap[1] &= ~FATTR4_WORD1_FS_LAYOUT_TYPES; |
3132e49e | 4833 | } |
504913fb AA |
4834 | return status; |
4835 | } | |
4836 | ||
dae100c2 FI |
4837 | /* |
4838 | * The prefered block size for layout directed io | |
4839 | */ | |
4840 | static int decode_attr_layout_blksize(struct xdr_stream *xdr, uint32_t *bitmap, | |
4841 | uint32_t *res) | |
4842 | { | |
4843 | __be32 *p; | |
4844 | ||
4845 | dprintk("%s: bitmap is %x\n", __func__, bitmap[2]); | |
4846 | *res = 0; | |
4847 | if (bitmap[2] & FATTR4_WORD2_LAYOUT_BLKSIZE) { | |
4848 | p = xdr_inline_decode(xdr, 4); | |
4849 | if (unlikely(!p)) { | |
4850 | print_overflow_msg(__func__, xdr); | |
4851 | return -EIO; | |
4852 | } | |
4853 | *res = be32_to_cpup(p); | |
4854 | bitmap[2] &= ~FATTR4_WORD2_LAYOUT_BLKSIZE; | |
4855 | } | |
4856 | return 0; | |
4857 | } | |
4858 | ||
2a92ee92 PT |
4859 | /* |
4860 | * The granularity of a CLONE operation. | |
4861 | */ | |
4862 | static int decode_attr_clone_blksize(struct xdr_stream *xdr, uint32_t *bitmap, | |
4863 | uint32_t *res) | |
4864 | { | |
4865 | __be32 *p; | |
4866 | ||
4867 | dprintk("%s: bitmap is %x\n", __func__, bitmap[2]); | |
4868 | *res = 0; | |
4869 | if (bitmap[2] & FATTR4_WORD2_CLONE_BLKSIZE) { | |
4870 | p = xdr_inline_decode(xdr, 4); | |
4871 | if (unlikely(!p)) { | |
4872 | print_overflow_msg(__func__, xdr); | |
4873 | return -EIO; | |
4874 | } | |
4875 | *res = be32_to_cpup(p); | |
4876 | bitmap[2] &= ~FATTR4_WORD2_CLONE_BLKSIZE; | |
4877 | } | |
4878 | return 0; | |
4879 | } | |
4880 | ||
1da177e4 LT |
4881 | static int decode_fsinfo(struct xdr_stream *xdr, struct nfs_fsinfo *fsinfo) |
4882 | { | |
256e48bb | 4883 | unsigned int savep; |
dae100c2 | 4884 | uint32_t attrlen, bitmap[3]; |
1da177e4 LT |
4885 | int status; |
4886 | ||
4887 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
4888 | goto xdr_error; | |
4889 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4890 | goto xdr_error; | |
4891 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4892 | goto xdr_error; | |
4893 | ||
4894 | fsinfo->rtmult = fsinfo->wtmult = 512; /* ??? */ | |
4895 | ||
4896 | if ((status = decode_attr_lease_time(xdr, bitmap, &fsinfo->lease_time)) != 0) | |
4897 | goto xdr_error; | |
4898 | if ((status = decode_attr_maxfilesize(xdr, bitmap, &fsinfo->maxfilesize)) != 0) | |
4899 | goto xdr_error; | |
4900 | if ((status = decode_attr_maxread(xdr, bitmap, &fsinfo->rtmax)) != 0) | |
4901 | goto xdr_error; | |
4902 | fsinfo->rtpref = fsinfo->dtpref = fsinfo->rtmax; | |
4903 | if ((status = decode_attr_maxwrite(xdr, bitmap, &fsinfo->wtmax)) != 0) | |
4904 | goto xdr_error; | |
4905 | fsinfo->wtpref = fsinfo->wtmax; | |
1ca843a2 AG |
4906 | |
4907 | status = -EIO; | |
4908 | if (unlikely(bitmap[0])) | |
4909 | goto xdr_error; | |
4910 | ||
55b6e774 | 4911 | status = decode_attr_time_delta(xdr, bitmap, &fsinfo->time_delta); |
504913fb AA |
4912 | if (status != 0) |
4913 | goto xdr_error; | |
ca440c38 | 4914 | status = decode_attr_pnfstype(xdr, bitmap, fsinfo); |
55b6e774 RL |
4915 | if (status != 0) |
4916 | goto xdr_error; | |
1ca843a2 AG |
4917 | |
4918 | status = -EIO; | |
4919 | if (unlikely(bitmap[1])) | |
4920 | goto xdr_error; | |
4921 | ||
dae100c2 | 4922 | status = decode_attr_layout_blksize(xdr, bitmap, &fsinfo->blksize); |
2a92ee92 PT |
4923 | if (status) |
4924 | goto xdr_error; | |
4925 | status = decode_attr_clone_blksize(xdr, bitmap, &fsinfo->clone_blksize); | |
dae100c2 FI |
4926 | if (status) |
4927 | goto xdr_error; | |
1da177e4 LT |
4928 | |
4929 | status = verify_attr_len(xdr, savep, attrlen); | |
4930 | xdr_error: | |
3110ff80 | 4931 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4932 | return status; |
4933 | } | |
4934 | ||
4935 | static int decode_getfh(struct xdr_stream *xdr, struct nfs_fh *fh) | |
4936 | { | |
8687b63a | 4937 | __be32 *p; |
1da177e4 LT |
4938 | uint32_t len; |
4939 | int status; | |
4940 | ||
9936781d TM |
4941 | /* Zero handle first to allow comparisons */ |
4942 | memset(fh, 0, sizeof(*fh)); | |
4943 | ||
1da177e4 LT |
4944 | status = decode_op_hdr(xdr, OP_GETFH); |
4945 | if (status) | |
4946 | return status; | |
1da177e4 | 4947 | |
c0eae66e BH |
4948 | p = xdr_inline_decode(xdr, 4); |
4949 | if (unlikely(!p)) | |
4950 | goto out_overflow; | |
cccddf4f | 4951 | len = be32_to_cpup(p); |
1da177e4 LT |
4952 | if (len > NFS4_FHSIZE) |
4953 | return -EIO; | |
4954 | fh->size = len; | |
c0eae66e BH |
4955 | p = xdr_inline_decode(xdr, len); |
4956 | if (unlikely(!p)) | |
4957 | goto out_overflow; | |
99398d06 | 4958 | memcpy(fh->data, p, len); |
1da177e4 | 4959 | return 0; |
c0eae66e BH |
4960 | out_overflow: |
4961 | print_overflow_msg(__func__, xdr); | |
4962 | return -EIO; | |
1da177e4 LT |
4963 | } |
4964 | ||
4965 | static int decode_link(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4966 | { | |
4967 | int status; | |
6c0195a4 | 4968 | |
1da177e4 LT |
4969 | status = decode_op_hdr(xdr, OP_LINK); |
4970 | if (status) | |
4971 | return status; | |
4972 | return decode_change_info(xdr, cinfo); | |
4973 | } | |
4974 | ||
4975 | /* | |
4976 | * We create the owner, so we know a proper owner.id length is 4. | |
4977 | */ | |
911d1aaf | 4978 | static int decode_lock_denied (struct xdr_stream *xdr, struct file_lock *fl) |
1da177e4 | 4979 | { |
911d1aaf | 4980 | uint64_t offset, length, clientid; |
8687b63a | 4981 | __be32 *p; |
911d1aaf | 4982 | uint32_t namelen, type; |
1da177e4 | 4983 | |
babddc72 | 4984 | p = xdr_inline_decode(xdr, 32); /* read 32 bytes */ |
c0eae66e BH |
4985 | if (unlikely(!p)) |
4986 | goto out_overflow; | |
babddc72 | 4987 | p = xdr_decode_hyper(p, &offset); /* read 2 8-byte long words */ |
3ceb4dbb | 4988 | p = xdr_decode_hyper(p, &length); |
babddc72 BS |
4989 | type = be32_to_cpup(p++); /* 4 byte read */ |
4990 | if (fl != NULL) { /* manipulate file lock */ | |
911d1aaf TM |
4991 | fl->fl_start = (loff_t)offset; |
4992 | fl->fl_end = fl->fl_start + (loff_t)length - 1; | |
4993 | if (length == ~(uint64_t)0) | |
4994 | fl->fl_end = OFFSET_MAX; | |
4995 | fl->fl_type = F_WRLCK; | |
4996 | if (type & 1) | |
4997 | fl->fl_type = F_RDLCK; | |
4998 | fl->fl_pid = 0; | |
4999 | } | |
babddc72 BS |
5000 | p = xdr_decode_hyper(p, &clientid); /* read 8 bytes */ |
5001 | namelen = be32_to_cpup(p); /* read 4 bytes */ /* have read all 32 bytes now */ | |
5002 | p = xdr_inline_decode(xdr, namelen); /* variable size field */ | |
c0eae66e BH |
5003 | if (likely(p)) |
5004 | return -NFS4ERR_DENIED; | |
5005 | out_overflow: | |
5006 | print_overflow_msg(__func__, xdr); | |
5007 | return -EIO; | |
1da177e4 LT |
5008 | } |
5009 | ||
911d1aaf | 5010 | static int decode_lock(struct xdr_stream *xdr, struct nfs_lock_res *res) |
1da177e4 | 5011 | { |
1da177e4 LT |
5012 | int status; |
5013 | ||
5014 | status = decode_op_hdr(xdr, OP_LOCK); | |
c1d51931 TM |
5015 | if (status == -EIO) |
5016 | goto out; | |
1da177e4 | 5017 | if (status == 0) { |
93b717fd | 5018 | status = decode_lock_stateid(xdr, &res->stateid); |
07d30434 BH |
5019 | if (unlikely(status)) |
5020 | goto out; | |
1da177e4 | 5021 | } else if (status == -NFS4ERR_DENIED) |
c1d51931 TM |
5022 | status = decode_lock_denied(xdr, NULL); |
5023 | if (res->open_seqid != NULL) | |
5024 | nfs_increment_open_seqid(status, res->open_seqid); | |
5025 | nfs_increment_lock_seqid(status, res->lock_seqid); | |
5026 | out: | |
1da177e4 LT |
5027 | return status; |
5028 | } | |
5029 | ||
911d1aaf | 5030 | static int decode_lockt(struct xdr_stream *xdr, struct nfs_lockt_res *res) |
1da177e4 LT |
5031 | { |
5032 | int status; | |
5033 | status = decode_op_hdr(xdr, OP_LOCKT); | |
5034 | if (status == -NFS4ERR_DENIED) | |
911d1aaf | 5035 | return decode_lock_denied(xdr, res->denied); |
1da177e4 LT |
5036 | return status; |
5037 | } | |
5038 | ||
911d1aaf | 5039 | static int decode_locku(struct xdr_stream *xdr, struct nfs_locku_res *res) |
1da177e4 | 5040 | { |
1da177e4 LT |
5041 | int status; |
5042 | ||
5043 | status = decode_op_hdr(xdr, OP_LOCKU); | |
c1d51931 TM |
5044 | if (status != -EIO) |
5045 | nfs_increment_lock_seqid(status, res->seqid); | |
07d30434 | 5046 | if (status == 0) |
93b717fd | 5047 | status = decode_lock_stateid(xdr, &res->stateid); |
1da177e4 LT |
5048 | return status; |
5049 | } | |
5050 | ||
d3c7b7cc TM |
5051 | static int decode_release_lockowner(struct xdr_stream *xdr) |
5052 | { | |
5053 | return decode_op_hdr(xdr, OP_RELEASE_LOCKOWNER); | |
5054 | } | |
5055 | ||
1da177e4 LT |
5056 | static int decode_lookup(struct xdr_stream *xdr) |
5057 | { | |
5058 | return decode_op_hdr(xdr, OP_LOOKUP); | |
5059 | } | |
5060 | ||
5061 | /* This is too sick! */ | |
7d160a6c TM |
5062 | static int decode_space_limit(struct xdr_stream *xdr, |
5063 | unsigned long *pagemod_limit) | |
1da177e4 | 5064 | { |
05d564fe | 5065 | __be32 *p; |
1da177e4 | 5066 | uint32_t limit_type, nblocks, blocksize; |
7d160a6c | 5067 | u64 maxsize = 0; |
1da177e4 | 5068 | |
c0eae66e BH |
5069 | p = xdr_inline_decode(xdr, 12); |
5070 | if (unlikely(!p)) | |
5071 | goto out_overflow; | |
6f723f77 | 5072 | limit_type = be32_to_cpup(p++); |
1da177e4 | 5073 | switch (limit_type) { |
7d160a6c TM |
5074 | case NFS4_LIMIT_SIZE: |
5075 | xdr_decode_hyper(p, &maxsize); | |
05d564fe | 5076 | break; |
7d160a6c | 5077 | case NFS4_LIMIT_BLOCKS: |
6f723f77 | 5078 | nblocks = be32_to_cpup(p++); |
cccddf4f | 5079 | blocksize = be32_to_cpup(p); |
7d160a6c | 5080 | maxsize = (uint64_t)nblocks * (uint64_t)blocksize; |
1da177e4 | 5081 | } |
09cbfeaf | 5082 | maxsize >>= PAGE_SHIFT; |
7d160a6c | 5083 | *pagemod_limit = min_t(u64, maxsize, ULONG_MAX); |
1da177e4 | 5084 | return 0; |
c0eae66e BH |
5085 | out_overflow: |
5086 | print_overflow_msg(__func__, xdr); | |
5087 | return -EIO; | |
1da177e4 LT |
5088 | } |
5089 | ||
6ae37339 TM |
5090 | static int decode_rw_delegation(struct xdr_stream *xdr, |
5091 | uint32_t delegation_type, | |
5092 | struct nfs_openres *res) | |
1da177e4 | 5093 | { |
05d564fe | 5094 | __be32 *p; |
07d30434 | 5095 | int status; |
1da177e4 | 5096 | |
93b717fd | 5097 | status = decode_delegation_stateid(xdr, &res->delegation); |
07d30434 BH |
5098 | if (unlikely(status)) |
5099 | return status; | |
c0eae66e BH |
5100 | p = xdr_inline_decode(xdr, 4); |
5101 | if (unlikely(!p)) | |
5102 | goto out_overflow; | |
cccddf4f | 5103 | res->do_recall = be32_to_cpup(p); |
05d564fe | 5104 | |
1da177e4 | 5105 | switch (delegation_type) { |
05d564fe AA |
5106 | case NFS4_OPEN_DELEGATE_READ: |
5107 | res->delegation_type = FMODE_READ; | |
5108 | break; | |
5109 | case NFS4_OPEN_DELEGATE_WRITE: | |
5110 | res->delegation_type = FMODE_WRITE|FMODE_READ; | |
7d160a6c | 5111 | if (decode_space_limit(xdr, &res->pagemod_limit) < 0) |
1da177e4 LT |
5112 | return -EIO; |
5113 | } | |
1bbe60ff | 5114 | return decode_ace(xdr, NULL); |
c0eae66e BH |
5115 | out_overflow: |
5116 | print_overflow_msg(__func__, xdr); | |
5117 | return -EIO; | |
1da177e4 LT |
5118 | } |
5119 | ||
6ae37339 TM |
5120 | static int decode_no_delegation(struct xdr_stream *xdr, struct nfs_openres *res) |
5121 | { | |
5122 | __be32 *p; | |
5123 | uint32_t why_no_delegation; | |
5124 | ||
5125 | p = xdr_inline_decode(xdr, 4); | |
5126 | if (unlikely(!p)) | |
5127 | goto out_overflow; | |
5128 | why_no_delegation = be32_to_cpup(p); | |
5129 | switch (why_no_delegation) { | |
5130 | case WND4_CONTENTION: | |
5131 | case WND4_RESOURCE: | |
5132 | xdr_inline_decode(xdr, 4); | |
5133 | /* Ignore for now */ | |
5134 | } | |
5135 | return 0; | |
5136 | out_overflow: | |
5137 | print_overflow_msg(__func__, xdr); | |
5138 | return -EIO; | |
5139 | } | |
5140 | ||
5141 | static int decode_delegation(struct xdr_stream *xdr, struct nfs_openres *res) | |
5142 | { | |
5143 | __be32 *p; | |
5144 | uint32_t delegation_type; | |
5145 | ||
5146 | p = xdr_inline_decode(xdr, 4); | |
5147 | if (unlikely(!p)) | |
5148 | goto out_overflow; | |
5149 | delegation_type = be32_to_cpup(p); | |
5150 | res->delegation_type = 0; | |
5151 | switch (delegation_type) { | |
5152 | case NFS4_OPEN_DELEGATE_NONE: | |
5153 | return 0; | |
5154 | case NFS4_OPEN_DELEGATE_READ: | |
5155 | case NFS4_OPEN_DELEGATE_WRITE: | |
5156 | return decode_rw_delegation(xdr, delegation_type, res); | |
5157 | case NFS4_OPEN_DELEGATE_NONE_EXT: | |
5158 | return decode_no_delegation(xdr, res); | |
5159 | } | |
5160 | return -EIO; | |
5161 | out_overflow: | |
5162 | print_overflow_msg(__func__, xdr); | |
5163 | return -EIO; | |
5164 | } | |
5165 | ||
1da177e4 LT |
5166 | static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res) |
5167 | { | |
05d564fe | 5168 | __be32 *p; |
aa53ed54 | 5169 | uint32_t savewords, bmlen, i; |
05d564fe | 5170 | int status; |
1da177e4 | 5171 | |
c7848f69 TM |
5172 | if (!__decode_op_hdr(xdr, OP_OPEN, &status)) |
5173 | return status; | |
5174 | nfs_increment_open_seqid(status, res->seqid); | |
5175 | if (status) | |
5176 | return status; | |
93b717fd | 5177 | status = decode_open_stateid(xdr, &res->stateid); |
07d30434 | 5178 | if (unlikely(status)) |
05d564fe | 5179 | return status; |
1da177e4 | 5180 | |
05d564fe | 5181 | decode_change_info(xdr, &res->cinfo); |
1da177e4 | 5182 | |
c0eae66e BH |
5183 | p = xdr_inline_decode(xdr, 8); |
5184 | if (unlikely(!p)) | |
5185 | goto out_overflow; | |
6f723f77 | 5186 | res->rflags = be32_to_cpup(p++); |
cccddf4f | 5187 | bmlen = be32_to_cpup(p); |
05d564fe AA |
5188 | if (bmlen > 10) |
5189 | goto xdr_error; | |
1da177e4 | 5190 | |
c0eae66e BH |
5191 | p = xdr_inline_decode(xdr, bmlen << 2); |
5192 | if (unlikely(!p)) | |
5193 | goto out_overflow; | |
aa53ed54 JL |
5194 | savewords = min_t(uint32_t, bmlen, NFS4_BITMAP_SIZE); |
5195 | for (i = 0; i < savewords; ++i) | |
6f723f77 | 5196 | res->attrset[i] = be32_to_cpup(p++); |
aa53ed54 JL |
5197 | for (; i < NFS4_BITMAP_SIZE; i++) |
5198 | res->attrset[i] = 0; | |
5199 | ||
1da177e4 LT |
5200 | return decode_delegation(xdr, res); |
5201 | xdr_error: | |
3110ff80 | 5202 | dprintk("%s: Bitmap too large! Length = %u\n", __func__, bmlen); |
1da177e4 | 5203 | return -EIO; |
c0eae66e BH |
5204 | out_overflow: |
5205 | print_overflow_msg(__func__, xdr); | |
5206 | return -EIO; | |
1da177e4 LT |
5207 | } |
5208 | ||
5209 | static int decode_open_confirm(struct xdr_stream *xdr, struct nfs_open_confirmres *res) | |
5210 | { | |
1da177e4 LT |
5211 | int status; |
5212 | ||
05d564fe | 5213 | status = decode_op_hdr(xdr, OP_OPEN_CONFIRM); |
c1d51931 TM |
5214 | if (status != -EIO) |
5215 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 | 5216 | if (!status) |
93b717fd | 5217 | status = decode_open_stateid(xdr, &res->stateid); |
07d30434 | 5218 | return status; |
1da177e4 LT |
5219 | } |
5220 | ||
5221 | static int decode_open_downgrade(struct xdr_stream *xdr, struct nfs_closeres *res) | |
5222 | { | |
1da177e4 LT |
5223 | int status; |
5224 | ||
5225 | status = decode_op_hdr(xdr, OP_OPEN_DOWNGRADE); | |
c1d51931 TM |
5226 | if (status != -EIO) |
5227 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 | 5228 | if (!status) |
93b717fd | 5229 | status = decode_open_stateid(xdr, &res->stateid); |
07d30434 | 5230 | return status; |
1da177e4 LT |
5231 | } |
5232 | ||
5233 | static int decode_putfh(struct xdr_stream *xdr) | |
5234 | { | |
5235 | return decode_op_hdr(xdr, OP_PUTFH); | |
5236 | } | |
5237 | ||
5238 | static int decode_putrootfh(struct xdr_stream *xdr) | |
5239 | { | |
5240 | return decode_op_hdr(xdr, OP_PUTROOTFH); | |
5241 | } | |
5242 | ||
9137bdf3 AS |
5243 | static int decode_read(struct xdr_stream *xdr, struct rpc_rqst *req, |
5244 | struct nfs_pgio_res *res) | |
1da177e4 | 5245 | { |
8687b63a | 5246 | __be32 *p; |
64bd577e | 5247 | uint32_t count, eof, recvd; |
1da177e4 LT |
5248 | int status; |
5249 | ||
5250 | status = decode_op_hdr(xdr, OP_READ); | |
5251 | if (status) | |
5252 | return status; | |
c0eae66e BH |
5253 | p = xdr_inline_decode(xdr, 8); |
5254 | if (unlikely(!p)) | |
5255 | goto out_overflow; | |
6f723f77 | 5256 | eof = be32_to_cpup(p++); |
cccddf4f | 5257 | count = be32_to_cpup(p); |
64bd577e | 5258 | recvd = xdr_read_pages(xdr, count); |
1da177e4 | 5259 | if (count > recvd) { |
fe82a183 | 5260 | dprintk("NFS: server cheating in read reply: " |
1da177e4 LT |
5261 | "count %u > recvd %u\n", count, recvd); |
5262 | count = recvd; | |
5263 | eof = 0; | |
5264 | } | |
1da177e4 LT |
5265 | res->eof = eof; |
5266 | res->count = count; | |
5267 | return 0; | |
c0eae66e BH |
5268 | out_overflow: |
5269 | print_overflow_msg(__func__, xdr); | |
5270 | return -EIO; | |
1da177e4 LT |
5271 | } |
5272 | ||
5273 | static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs4_readdir_res *readdir) | |
5274 | { | |
bcecff77 | 5275 | int status; |
cd93710e | 5276 | __be32 verf[2]; |
1da177e4 LT |
5277 | |
5278 | status = decode_op_hdr(xdr, OP_READDIR); | |
db942bbd BH |
5279 | if (!status) |
5280 | status = decode_verifier(xdr, readdir->verifier.data); | |
5281 | if (unlikely(status)) | |
1da177e4 | 5282 | return status; |
cd93710e | 5283 | memcpy(verf, readdir->verifier.data, sizeof(verf)); |
44109241 | 5284 | dprintk("%s: verifier = %08x:%08x\n", |
cd93710e | 5285 | __func__, verf[0], verf[1]); |
64bd577e | 5286 | return xdr_read_pages(xdr, xdr->buf->page_len); |
1da177e4 LT |
5287 | } |
5288 | ||
5289 | static int decode_readlink(struct xdr_stream *xdr, struct rpc_rqst *req) | |
5290 | { | |
5291 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; | |
bcecff77 | 5292 | u32 len, recvd; |
8687b63a | 5293 | __be32 *p; |
1da177e4 LT |
5294 | int status; |
5295 | ||
5296 | status = decode_op_hdr(xdr, OP_READLINK); | |
5297 | if (status) | |
5298 | return status; | |
5299 | ||
5300 | /* Convert length of symlink */ | |
c0eae66e BH |
5301 | p = xdr_inline_decode(xdr, 4); |
5302 | if (unlikely(!p)) | |
5303 | goto out_overflow; | |
cccddf4f | 5304 | len = be32_to_cpup(p); |
1da177e4 | 5305 | if (len >= rcvbuf->page_len || len <= 0) { |
fe82a183 | 5306 | dprintk("nfs: server returned giant symlink!\n"); |
1da177e4 LT |
5307 | return -ENAMETOOLONG; |
5308 | } | |
64bd577e | 5309 | recvd = xdr_read_pages(xdr, len); |
1da177e4 | 5310 | if (recvd < len) { |
fe82a183 | 5311 | dprintk("NFS: server cheating in readlink reply: " |
1da177e4 LT |
5312 | "count %u > recvd %u\n", len, recvd); |
5313 | return -EIO; | |
5314 | } | |
1da177e4 LT |
5315 | /* |
5316 | * The XDR encode routine has set things up so that | |
5317 | * the link text will be copied directly into the | |
5318 | * buffer. We just have to do overflow-checking, | |
5319 | * and and null-terminate the text (the VFS expects | |
5320 | * null-termination). | |
5321 | */ | |
b4687da7 | 5322 | xdr_terminate_string(rcvbuf, len); |
1da177e4 | 5323 | return 0; |
c0eae66e BH |
5324 | out_overflow: |
5325 | print_overflow_msg(__func__, xdr); | |
5326 | return -EIO; | |
1da177e4 LT |
5327 | } |
5328 | ||
5329 | static int decode_remove(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
5330 | { | |
5331 | int status; | |
5332 | ||
5333 | status = decode_op_hdr(xdr, OP_REMOVE); | |
5334 | if (status) | |
5335 | goto out; | |
5336 | status = decode_change_info(xdr, cinfo); | |
5337 | out: | |
5338 | return status; | |
5339 | } | |
5340 | ||
5341 | static int decode_rename(struct xdr_stream *xdr, struct nfs4_change_info *old_cinfo, | |
5342 | struct nfs4_change_info *new_cinfo) | |
5343 | { | |
5344 | int status; | |
5345 | ||
5346 | status = decode_op_hdr(xdr, OP_RENAME); | |
5347 | if (status) | |
5348 | goto out; | |
5349 | if ((status = decode_change_info(xdr, old_cinfo))) | |
5350 | goto out; | |
5351 | status = decode_change_info(xdr, new_cinfo); | |
5352 | out: | |
5353 | return status; | |
5354 | } | |
5355 | ||
5356 | static int decode_renew(struct xdr_stream *xdr) | |
5357 | { | |
5358 | return decode_op_hdr(xdr, OP_RENEW); | |
5359 | } | |
5360 | ||
56ae19f3 TM |
5361 | static int |
5362 | decode_restorefh(struct xdr_stream *xdr) | |
5363 | { | |
5364 | return decode_op_hdr(xdr, OP_RESTOREFH); | |
5365 | } | |
5366 | ||
029d105e | 5367 | static int decode_getacl(struct xdr_stream *xdr, struct rpc_rqst *req, |
bf118a34 | 5368 | struct nfs_getaclres *res) |
029d105e | 5369 | { |
256e48bb | 5370 | unsigned int savep; |
029d105e | 5371 | uint32_t attrlen, |
dae100c2 | 5372 | bitmap[3] = {0}; |
029d105e | 5373 | int status; |
cff298c7 | 5374 | unsigned int pg_offset; |
029d105e | 5375 | |
bf118a34 | 5376 | res->acl_len = 0; |
029d105e BF |
5377 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
5378 | goto out; | |
5a006899 | 5379 | |
519d3959 TM |
5380 | xdr_enter_page(xdr, xdr->buf->page_len); |
5381 | ||
cff298c7 TM |
5382 | /* Calculate the offset of the page data */ |
5383 | pg_offset = xdr->buf->head[0].iov_len; | |
5a006899 | 5384 | |
029d105e BF |
5385 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) |
5386 | goto out; | |
5387 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
5388 | goto out; | |
5389 | ||
5390 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACL - 1U))) | |
5391 | return -EIO; | |
5392 | if (likely(bitmap[0] & FATTR4_WORD0_ACL)) { | |
029d105e | 5393 | |
bf118a34 AA |
5394 | /* The bitmap (xdr len + bitmaps) and the attr xdr len words |
5395 | * are stored with the acl data to handle the problem of | |
5396 | * variable length bitmaps.*/ | |
cff298c7 | 5397 | res->acl_data_offset = xdr_stream_pos(xdr) - pg_offset; |
519d3959 | 5398 | res->acl_len = attrlen; |
1f1ea6c2 TM |
5399 | |
5400 | /* Check for receive buffer overflow */ | |
5401 | if (res->acl_len > (xdr->nwords << 2) || | |
5402 | res->acl_len + res->acl_data_offset > xdr->buf->page_len) { | |
5403 | res->acl_flags |= NFS4_ACL_TRUNC; | |
519d3959 | 5404 | dprintk("NFS: acl reply: attrlen %u > page_len %u\n", |
cff298c7 | 5405 | attrlen, xdr->nwords << 2); |
029d105e | 5406 | } |
8c233cf9 BF |
5407 | } else |
5408 | status = -EOPNOTSUPP; | |
029d105e BF |
5409 | |
5410 | out: | |
5411 | return status; | |
5412 | } | |
5413 | ||
1da177e4 LT |
5414 | static int |
5415 | decode_savefh(struct xdr_stream *xdr) | |
5416 | { | |
5417 | return decode_op_hdr(xdr, OP_SAVEFH); | |
5418 | } | |
5419 | ||
9e9ecc03 | 5420 | static int decode_setattr(struct xdr_stream *xdr) |
1da177e4 | 5421 | { |
8687b63a | 5422 | __be32 *p; |
1da177e4 LT |
5423 | uint32_t bmlen; |
5424 | int status; | |
5425 | ||
1da177e4 LT |
5426 | status = decode_op_hdr(xdr, OP_SETATTR); |
5427 | if (status) | |
5428 | return status; | |
c0eae66e BH |
5429 | p = xdr_inline_decode(xdr, 4); |
5430 | if (unlikely(!p)) | |
5431 | goto out_overflow; | |
cccddf4f | 5432 | bmlen = be32_to_cpup(p); |
c0eae66e BH |
5433 | p = xdr_inline_decode(xdr, bmlen << 2); |
5434 | if (likely(p)) | |
5435 | return 0; | |
5436 | out_overflow: | |
5437 | print_overflow_msg(__func__, xdr); | |
5438 | return -EIO; | |
1da177e4 LT |
5439 | } |
5440 | ||
bb8b27e5 | 5441 | static int decode_setclientid(struct xdr_stream *xdr, struct nfs4_setclientid_res *res) |
1da177e4 | 5442 | { |
8687b63a | 5443 | __be32 *p; |
1da177e4 LT |
5444 | uint32_t opnum; |
5445 | int32_t nfserr; | |
5446 | ||
c0eae66e BH |
5447 | p = xdr_inline_decode(xdr, 8); |
5448 | if (unlikely(!p)) | |
5449 | goto out_overflow; | |
6f723f77 | 5450 | opnum = be32_to_cpup(p++); |
1da177e4 | 5451 | if (opnum != OP_SETCLIENTID) { |
fe82a183 | 5452 | dprintk("nfs: decode_setclientid: Server returned operation" |
6c0195a4 | 5453 | " %d\n", opnum); |
1da177e4 LT |
5454 | return -EIO; |
5455 | } | |
cccddf4f | 5456 | nfserr = be32_to_cpup(p); |
1da177e4 | 5457 | if (nfserr == NFS_OK) { |
c0eae66e BH |
5458 | p = xdr_inline_decode(xdr, 8 + NFS4_VERIFIER_SIZE); |
5459 | if (unlikely(!p)) | |
5460 | goto out_overflow; | |
bb8b27e5 TM |
5461 | p = xdr_decode_hyper(p, &res->clientid); |
5462 | memcpy(res->confirm.data, p, NFS4_VERIFIER_SIZE); | |
1da177e4 LT |
5463 | } else if (nfserr == NFSERR_CLID_INUSE) { |
5464 | uint32_t len; | |
5465 | ||
5466 | /* skip netid string */ | |
c0eae66e BH |
5467 | p = xdr_inline_decode(xdr, 4); |
5468 | if (unlikely(!p)) | |
5469 | goto out_overflow; | |
cccddf4f | 5470 | len = be32_to_cpup(p); |
c0eae66e BH |
5471 | p = xdr_inline_decode(xdr, len); |
5472 | if (unlikely(!p)) | |
5473 | goto out_overflow; | |
1da177e4 LT |
5474 | |
5475 | /* skip uaddr string */ | |
c0eae66e BH |
5476 | p = xdr_inline_decode(xdr, 4); |
5477 | if (unlikely(!p)) | |
5478 | goto out_overflow; | |
cccddf4f | 5479 | len = be32_to_cpup(p); |
c0eae66e BH |
5480 | p = xdr_inline_decode(xdr, len); |
5481 | if (unlikely(!p)) | |
5482 | goto out_overflow; | |
1da177e4 LT |
5483 | return -NFSERR_CLID_INUSE; |
5484 | } else | |
856dff3d | 5485 | return nfs4_stat_to_errno(nfserr); |
1da177e4 LT |
5486 | |
5487 | return 0; | |
c0eae66e BH |
5488 | out_overflow: |
5489 | print_overflow_msg(__func__, xdr); | |
5490 | return -EIO; | |
1da177e4 LT |
5491 | } |
5492 | ||
5493 | static int decode_setclientid_confirm(struct xdr_stream *xdr) | |
5494 | { | |
5495 | return decode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM); | |
5496 | } | |
5497 | ||
9137bdf3 | 5498 | static int decode_write(struct xdr_stream *xdr, struct nfs_pgio_res *res) |
1da177e4 | 5499 | { |
8687b63a | 5500 | __be32 *p; |
1da177e4 LT |
5501 | int status; |
5502 | ||
5503 | status = decode_op_hdr(xdr, OP_WRITE); | |
5504 | if (status) | |
5505 | return status; | |
5506 | ||
2f2c63bc | 5507 | p = xdr_inline_decode(xdr, 8); |
c0eae66e BH |
5508 | if (unlikely(!p)) |
5509 | goto out_overflow; | |
6f723f77 BH |
5510 | res->count = be32_to_cpup(p++); |
5511 | res->verf->committed = be32_to_cpup(p++); | |
2f2c63bc | 5512 | return decode_write_verifier(xdr, &res->verf->verifier); |
c0eae66e BH |
5513 | out_overflow: |
5514 | print_overflow_msg(__func__, xdr); | |
5515 | return -EIO; | |
1da177e4 LT |
5516 | } |
5517 | ||
5518 | static int decode_delegreturn(struct xdr_stream *xdr) | |
5519 | { | |
5520 | return decode_op_hdr(xdr, OP_DELEGRETURN); | |
5521 | } | |
5522 | ||
fb15b26f CL |
5523 | static int decode_secinfo_gss(struct xdr_stream *xdr, |
5524 | struct nfs4_secinfo4 *flavor) | |
5a5ea0d4 | 5525 | { |
fb15b26f | 5526 | u32 oid_len; |
5a5ea0d4 BS |
5527 | __be32 *p; |
5528 | ||
5529 | p = xdr_inline_decode(xdr, 4); | |
5530 | if (unlikely(!p)) | |
5531 | goto out_overflow; | |
fb15b26f CL |
5532 | oid_len = be32_to_cpup(p); |
5533 | if (oid_len > GSS_OID_MAX_LEN) | |
5a5ea0d4 BS |
5534 | goto out_err; |
5535 | ||
fb15b26f | 5536 | p = xdr_inline_decode(xdr, oid_len); |
5a5ea0d4 BS |
5537 | if (unlikely(!p)) |
5538 | goto out_overflow; | |
fb15b26f CL |
5539 | memcpy(flavor->flavor_info.oid.data, p, oid_len); |
5540 | flavor->flavor_info.oid.len = oid_len; | |
5a5ea0d4 BS |
5541 | |
5542 | p = xdr_inline_decode(xdr, 8); | |
5543 | if (unlikely(!p)) | |
5544 | goto out_overflow; | |
fb15b26f CL |
5545 | flavor->flavor_info.qop = be32_to_cpup(p++); |
5546 | flavor->flavor_info.service = be32_to_cpup(p); | |
5a5ea0d4 BS |
5547 | |
5548 | return 0; | |
5549 | ||
5550 | out_overflow: | |
5551 | print_overflow_msg(__func__, xdr); | |
5552 | return -EIO; | |
5553 | out_err: | |
5554 | return -EINVAL; | |
5555 | } | |
5556 | ||
31e4dda4 | 5557 | static int decode_secinfo_common(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
5a5ea0d4 | 5558 | { |
fb15b26f CL |
5559 | struct nfs4_secinfo4 *sec_flavor; |
5560 | unsigned int i, num_flavors; | |
5a5ea0d4 BS |
5561 | int status; |
5562 | __be32 *p; | |
5a5ea0d4 | 5563 | |
5a5ea0d4 BS |
5564 | p = xdr_inline_decode(xdr, 4); |
5565 | if (unlikely(!p)) | |
5566 | goto out_overflow; | |
5a5ea0d4 | 5567 | |
c3dfc280 BS |
5568 | res->flavors->num_flavors = 0; |
5569 | num_flavors = be32_to_cpup(p); | |
5570 | ||
5571 | for (i = 0; i < num_flavors; i++) { | |
5a5ea0d4 | 5572 | sec_flavor = &res->flavors->flavors[i]; |
c3dfc280 | 5573 | if ((char *)&sec_flavor[1] - (char *)res->flavors > PAGE_SIZE) |
5a5ea0d4 BS |
5574 | break; |
5575 | ||
5576 | p = xdr_inline_decode(xdr, 4); | |
5577 | if (unlikely(!p)) | |
5578 | goto out_overflow; | |
5579 | sec_flavor->flavor = be32_to_cpup(p); | |
5580 | ||
5581 | if (sec_flavor->flavor == RPC_AUTH_GSS) { | |
613e901e BS |
5582 | status = decode_secinfo_gss(xdr, sec_flavor); |
5583 | if (status) | |
5584 | goto out; | |
5a5ea0d4 | 5585 | } |
c3dfc280 | 5586 | res->flavors->num_flavors++; |
5a5ea0d4 BS |
5587 | } |
5588 | ||
31e4dda4 | 5589 | status = 0; |
613e901e BS |
5590 | out: |
5591 | return status; | |
5a5ea0d4 BS |
5592 | out_overflow: |
5593 | print_overflow_msg(__func__, xdr); | |
5594 | return -EIO; | |
5595 | } | |
5596 | ||
31e4dda4 BS |
5597 | static int decode_secinfo(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
5598 | { | |
5599 | int status = decode_op_hdr(xdr, OP_SECINFO); | |
5600 | if (status) | |
5601 | return status; | |
5602 | return decode_secinfo_common(xdr, res); | |
5603 | } | |
5604 | ||
99fe60d0 | 5605 | #if defined(CONFIG_NFS_V4_1) |
31e4dda4 BS |
5606 | static int decode_secinfo_no_name(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
5607 | { | |
5608 | int status = decode_op_hdr(xdr, OP_SECINFO_NO_NAME); | |
5609 | if (status) | |
5610 | return status; | |
5611 | return decode_secinfo_common(xdr, res); | |
5612 | } | |
5613 | ||
2031cd1a WAA |
5614 | static int decode_op_map(struct xdr_stream *xdr, struct nfs4_op_map *op_map) |
5615 | { | |
5616 | __be32 *p; | |
5617 | uint32_t bitmap_words; | |
5618 | unsigned int i; | |
5619 | ||
5620 | p = xdr_inline_decode(xdr, 4); | |
4edabfd7 PB |
5621 | if (!p) |
5622 | return -EIO; | |
2031cd1a WAA |
5623 | bitmap_words = be32_to_cpup(p++); |
5624 | if (bitmap_words > NFS4_OP_MAP_NUM_WORDS) | |
5625 | return -EIO; | |
5626 | p = xdr_inline_decode(xdr, 4 * bitmap_words); | |
5627 | for (i = 0; i < bitmap_words; i++) | |
5628 | op_map->u.words[i] = be32_to_cpup(p++); | |
5629 | ||
5630 | return 0; | |
5631 | } | |
5632 | ||
99fe60d0 BH |
5633 | static int decode_exchange_id(struct xdr_stream *xdr, |
5634 | struct nfs41_exchange_id_res *res) | |
5635 | { | |
5636 | __be32 *p; | |
5637 | uint32_t dummy; | |
2460ba57 | 5638 | char *dummy_str; |
99fe60d0 | 5639 | int status; |
7d2ed9ac | 5640 | uint32_t impl_id_count; |
99fe60d0 BH |
5641 | |
5642 | status = decode_op_hdr(xdr, OP_EXCHANGE_ID); | |
5643 | if (status) | |
5644 | return status; | |
5645 | ||
c0eae66e BH |
5646 | p = xdr_inline_decode(xdr, 8); |
5647 | if (unlikely(!p)) | |
5648 | goto out_overflow; | |
32b01310 | 5649 | xdr_decode_hyper(p, &res->clientid); |
c0eae66e BH |
5650 | p = xdr_inline_decode(xdr, 12); |
5651 | if (unlikely(!p)) | |
5652 | goto out_overflow; | |
32b01310 TM |
5653 | res->seqid = be32_to_cpup(p++); |
5654 | res->flags = be32_to_cpup(p++); | |
99fe60d0 | 5655 | |
2031cd1a WAA |
5656 | res->state_protect.how = be32_to_cpup(p); |
5657 | switch (res->state_protect.how) { | |
5658 | case SP4_NONE: | |
5659 | break; | |
5660 | case SP4_MACH_CRED: | |
5661 | status = decode_op_map(xdr, &res->state_protect.enforce); | |
5662 | if (status) | |
5663 | return status; | |
5664 | status = decode_op_map(xdr, &res->state_protect.allow); | |
5665 | if (status) | |
5666 | return status; | |
5667 | break; | |
5668 | default: | |
5669 | WARN_ON_ONCE(1); | |
99fe60d0 | 5670 | return -EIO; |
2031cd1a | 5671 | } |
99fe60d0 | 5672 | |
acdeb69d | 5673 | /* server_owner4.so_minor_id */ |
c0eae66e BH |
5674 | p = xdr_inline_decode(xdr, 8); |
5675 | if (unlikely(!p)) | |
5676 | goto out_overflow; | |
acdeb69d | 5677 | p = xdr_decode_hyper(p, &res->server_owner->minor_id); |
99fe60d0 | 5678 | |
acdeb69d | 5679 | /* server_owner4.so_major_id */ |
2460ba57 BH |
5680 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
5681 | if (unlikely(status)) | |
5682 | return status; | |
acdeb69d CL |
5683 | memcpy(res->server_owner->major_id, dummy_str, dummy); |
5684 | res->server_owner->major_id_sz = dummy; | |
99fe60d0 | 5685 | |
acdeb69d | 5686 | /* server_scope4 */ |
2460ba57 BH |
5687 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
5688 | if (unlikely(status)) | |
5689 | return status; | |
78fe0f41 WAA |
5690 | memcpy(res->server_scope->server_scope, dummy_str, dummy); |
5691 | res->server_scope->server_scope_sz = dummy; | |
5692 | ||
7d2ed9ac WAA |
5693 | /* Implementation Id */ |
5694 | p = xdr_inline_decode(xdr, 4); | |
5695 | if (unlikely(!p)) | |
5696 | goto out_overflow; | |
5697 | impl_id_count = be32_to_cpup(p++); | |
99fe60d0 | 5698 | |
7d2ed9ac WAA |
5699 | if (impl_id_count) { |
5700 | /* nii_domain */ | |
5701 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); | |
5702 | if (unlikely(status)) | |
5703 | return status; | |
7d2ed9ac WAA |
5704 | memcpy(res->impl_id->domain, dummy_str, dummy); |
5705 | ||
5706 | /* nii_name */ | |
5707 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); | |
5708 | if (unlikely(status)) | |
5709 | return status; | |
7d2ed9ac WAA |
5710 | memcpy(res->impl_id->name, dummy_str, dummy); |
5711 | ||
5712 | /* nii_date */ | |
5713 | p = xdr_inline_decode(xdr, 12); | |
5714 | if (unlikely(!p)) | |
5715 | goto out_overflow; | |
5716 | p = xdr_decode_hyper(p, &res->impl_id->date.seconds); | |
5717 | res->impl_id->date.nseconds = be32_to_cpup(p); | |
5718 | ||
5719 | /* if there's more than one entry, ignore the rest */ | |
5720 | } | |
99fe60d0 | 5721 | return 0; |
c0eae66e BH |
5722 | out_overflow: |
5723 | print_overflow_msg(__func__, xdr); | |
5724 | return -EIO; | |
99fe60d0 | 5725 | } |
fc931582 AA |
5726 | |
5727 | static int decode_chan_attrs(struct xdr_stream *xdr, | |
5728 | struct nfs4_channel_attrs *attrs) | |
5729 | { | |
5730 | __be32 *p; | |
c9c30dd5 | 5731 | u32 nr_attrs, val; |
fc931582 | 5732 | |
c0eae66e BH |
5733 | p = xdr_inline_decode(xdr, 28); |
5734 | if (unlikely(!p)) | |
5735 | goto out_overflow; | |
c9c30dd5 BH |
5736 | val = be32_to_cpup(p++); /* headerpadsz */ |
5737 | if (val) | |
5738 | return -EINVAL; /* no support for header padding yet */ | |
6f723f77 BH |
5739 | attrs->max_rqst_sz = be32_to_cpup(p++); |
5740 | attrs->max_resp_sz = be32_to_cpup(p++); | |
5741 | attrs->max_resp_sz_cached = be32_to_cpup(p++); | |
5742 | attrs->max_ops = be32_to_cpup(p++); | |
5743 | attrs->max_reqs = be32_to_cpup(p++); | |
cccddf4f | 5744 | nr_attrs = be32_to_cpup(p); |
fc931582 | 5745 | if (unlikely(nr_attrs > 1)) { |
a030889a WAA |
5746 | printk(KERN_WARNING "NFS: %s: Invalid rdma channel attrs " |
5747 | "count %u\n", __func__, nr_attrs); | |
fc931582 AA |
5748 | return -EINVAL; |
5749 | } | |
c0eae66e BH |
5750 | if (nr_attrs == 1) { |
5751 | p = xdr_inline_decode(xdr, 4); /* skip rdma_attrs */ | |
5752 | if (unlikely(!p)) | |
5753 | goto out_overflow; | |
5754 | } | |
fc931582 | 5755 | return 0; |
c0eae66e BH |
5756 | out_overflow: |
5757 | print_overflow_msg(__func__, xdr); | |
5758 | return -EIO; | |
fc931582 AA |
5759 | } |
5760 | ||
e78291e4 BH |
5761 | static int decode_sessionid(struct xdr_stream *xdr, struct nfs4_sessionid *sid) |
5762 | { | |
5763 | return decode_opaque_fixed(xdr, sid->data, NFS4_MAX_SESSIONID_LEN); | |
fc931582 AA |
5764 | } |
5765 | ||
7c44f1ae WAA |
5766 | static int decode_bind_conn_to_session(struct xdr_stream *xdr, |
5767 | struct nfs41_bind_conn_to_session_res *res) | |
5768 | { | |
5769 | __be32 *p; | |
5770 | int status; | |
5771 | ||
5772 | status = decode_op_hdr(xdr, OP_BIND_CONN_TO_SESSION); | |
5773 | if (!status) | |
71a097c6 | 5774 | status = decode_sessionid(xdr, &res->sessionid); |
7c44f1ae WAA |
5775 | if (unlikely(status)) |
5776 | return status; | |
5777 | ||
5778 | /* dir flags, rdma mode bool */ | |
5779 | p = xdr_inline_decode(xdr, 8); | |
5780 | if (unlikely(!p)) | |
5781 | goto out_overflow; | |
5782 | ||
5783 | res->dir = be32_to_cpup(p++); | |
5784 | if (res->dir == 0 || res->dir > NFS4_CDFS4_BOTH) | |
5785 | return -EIO; | |
5786 | if (be32_to_cpup(p) == 0) | |
5787 | res->use_conn_in_rdma_mode = false; | |
5788 | else | |
5789 | res->use_conn_in_rdma_mode = true; | |
5790 | ||
5791 | return 0; | |
5792 | out_overflow: | |
5793 | print_overflow_msg(__func__, xdr); | |
5794 | return -EIO; | |
5795 | } | |
5796 | ||
fc931582 AA |
5797 | static int decode_create_session(struct xdr_stream *xdr, |
5798 | struct nfs41_create_session_res *res) | |
5799 | { | |
5800 | __be32 *p; | |
5801 | int status; | |
fc931582 AA |
5802 | |
5803 | status = decode_op_hdr(xdr, OP_CREATE_SESSION); | |
e78291e4 | 5804 | if (!status) |
79969dd1 | 5805 | status = decode_sessionid(xdr, &res->sessionid); |
e78291e4 | 5806 | if (unlikely(status)) |
fc931582 AA |
5807 | return status; |
5808 | ||
fc931582 | 5809 | /* seqid, flags */ |
c0eae66e BH |
5810 | p = xdr_inline_decode(xdr, 8); |
5811 | if (unlikely(!p)) | |
5812 | goto out_overflow; | |
79969dd1 TM |
5813 | res->seqid = be32_to_cpup(p++); |
5814 | res->flags = be32_to_cpup(p); | |
fc931582 AA |
5815 | |
5816 | /* Channel attributes */ | |
79969dd1 | 5817 | status = decode_chan_attrs(xdr, &res->fc_attrs); |
fc931582 | 5818 | if (!status) |
79969dd1 | 5819 | status = decode_chan_attrs(xdr, &res->bc_attrs); |
fc931582 | 5820 | return status; |
c0eae66e BH |
5821 | out_overflow: |
5822 | print_overflow_msg(__func__, xdr); | |
5823 | return -EIO; | |
fc931582 | 5824 | } |
0f3e66c6 AA |
5825 | |
5826 | static int decode_destroy_session(struct xdr_stream *xdr, void *dummy) | |
5827 | { | |
5828 | return decode_op_hdr(xdr, OP_DESTROY_SESSION); | |
5829 | } | |
18019753 | 5830 | |
66245539 TM |
5831 | static int decode_destroy_clientid(struct xdr_stream *xdr, void *dummy) |
5832 | { | |
5833 | return decode_op_hdr(xdr, OP_DESTROY_CLIENTID); | |
5834 | } | |
5835 | ||
18019753 RL |
5836 | static int decode_reclaim_complete(struct xdr_stream *xdr, void *dummy) |
5837 | { | |
5838 | return decode_op_hdr(xdr, OP_RECLAIM_COMPLETE); | |
5839 | } | |
99fe60d0 BH |
5840 | #endif /* CONFIG_NFS_V4_1 */ |
5841 | ||
9b7b9fcc AA |
5842 | static int decode_sequence(struct xdr_stream *xdr, |
5843 | struct nfs4_sequence_res *res, | |
5844 | struct rpc_rqst *rqstp) | |
5845 | { | |
5846 | #if defined(CONFIG_NFS_V4_1) | |
e3725ec0 | 5847 | struct nfs4_session *session; |
fc01cea9 AA |
5848 | struct nfs4_sessionid id; |
5849 | u32 dummy; | |
5850 | int status; | |
5851 | __be32 *p; | |
5852 | ||
e3725ec0 | 5853 | if (res->sr_slot == NULL) |
9b7b9fcc | 5854 | return 0; |
3bd2384a CL |
5855 | if (!res->sr_slot->table->session) |
5856 | return 0; | |
9b7b9fcc | 5857 | |
fc01cea9 | 5858 | status = decode_op_hdr(xdr, OP_SEQUENCE); |
e78291e4 BH |
5859 | if (!status) |
5860 | status = decode_sessionid(xdr, &id); | |
5861 | if (unlikely(status)) | |
fc01cea9 | 5862 | goto out_err; |
9b7b9fcc | 5863 | |
fc01cea9 AA |
5864 | /* |
5865 | * If the server returns different values for sessionID, slotID or | |
5866 | * sequence number, the server is looney tunes. | |
5867 | */ | |
fdcb4577 | 5868 | status = -EREMOTEIO; |
e3725ec0 | 5869 | session = res->sr_slot->table->session; |
fc01cea9 | 5870 | |
e3725ec0 | 5871 | if (memcmp(id.data, session->sess_id.data, |
fc01cea9 AA |
5872 | NFS4_MAX_SESSIONID_LEN)) { |
5873 | dprintk("%s Invalid session id\n", __func__); | |
5874 | goto out_err; | |
5875 | } | |
e78291e4 | 5876 | |
c0eae66e BH |
5877 | p = xdr_inline_decode(xdr, 20); |
5878 | if (unlikely(!p)) | |
5879 | goto out_overflow; | |
e78291e4 | 5880 | |
fc01cea9 | 5881 | /* seqid */ |
6f723f77 | 5882 | dummy = be32_to_cpup(p++); |
dfb4f309 | 5883 | if (dummy != res->sr_slot->seq_nr) { |
fc01cea9 AA |
5884 | dprintk("%s Invalid sequence number\n", __func__); |
5885 | goto out_err; | |
5886 | } | |
5887 | /* slot id */ | |
6f723f77 | 5888 | dummy = be32_to_cpup(p++); |
df2fabff | 5889 | if (dummy != res->sr_slot->slot_nr) { |
fc01cea9 AA |
5890 | dprintk("%s Invalid slot id\n", __func__); |
5891 | goto out_err; | |
5892 | } | |
da0507b7 TM |
5893 | /* highest slot id */ |
5894 | res->sr_highest_slotid = be32_to_cpup(p++); | |
464ee9f9 TM |
5895 | /* target highest slot id */ |
5896 | res->sr_target_highest_slotid = be32_to_cpup(p++); | |
0629e370 AB |
5897 | /* result flags */ |
5898 | res->sr_status_flags = be32_to_cpup(p); | |
fc01cea9 AA |
5899 | status = 0; |
5900 | out_err: | |
5901 | res->sr_status = status; | |
5902 | return status; | |
c0eae66e BH |
5903 | out_overflow: |
5904 | print_overflow_msg(__func__, xdr); | |
5905 | status = -EIO; | |
5906 | goto out_err; | |
fc01cea9 | 5907 | #else /* CONFIG_NFS_V4_1 */ |
9b7b9fcc | 5908 | return 0; |
fc01cea9 | 5909 | #endif /* CONFIG_NFS_V4_1 */ |
9b7b9fcc AA |
5910 | } |
5911 | ||
b1f69b75 | 5912 | #if defined(CONFIG_NFS_V4_1) |
93b717fd TM |
5913 | static int decode_layout_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) |
5914 | { | |
5915 | stateid->type = NFS4_LAYOUT_STATEID_TYPE; | |
5916 | return decode_stateid(xdr, stateid); | |
5917 | } | |
5918 | ||
b1f69b75 | 5919 | static int decode_getdeviceinfo(struct xdr_stream *xdr, |
4e590803 | 5920 | struct nfs4_getdeviceinfo_res *res) |
b1f69b75 | 5921 | { |
4e590803 | 5922 | struct pnfs_device *pdev = res->pdev; |
b1f69b75 AA |
5923 | __be32 *p; |
5924 | uint32_t len, type; | |
5925 | int status; | |
5926 | ||
5927 | status = decode_op_hdr(xdr, OP_GETDEVICEINFO); | |
5928 | if (status) { | |
5929 | if (status == -ETOOSMALL) { | |
5930 | p = xdr_inline_decode(xdr, 4); | |
5931 | if (unlikely(!p)) | |
5932 | goto out_overflow; | |
5933 | pdev->mincount = be32_to_cpup(p); | |
5934 | dprintk("%s: Min count too small. mincnt = %u\n", | |
5935 | __func__, pdev->mincount); | |
5936 | } | |
5937 | return status; | |
5938 | } | |
5939 | ||
5940 | p = xdr_inline_decode(xdr, 8); | |
5941 | if (unlikely(!p)) | |
5942 | goto out_overflow; | |
5943 | type = be32_to_cpup(p++); | |
5944 | if (type != pdev->layout_type) { | |
5945 | dprintk("%s: layout mismatch req: %u pdev: %u\n", | |
5946 | __func__, pdev->layout_type, type); | |
5947 | return -EINVAL; | |
5948 | } | |
5949 | /* | |
5950 | * Get the length of the opaque device_addr4. xdr_read_pages places | |
5951 | * the opaque device_addr4 in the xdr_buf->pages (pnfs_device->pages) | |
5952 | * and places the remaining xdr data in xdr_buf->tail | |
5953 | */ | |
5954 | pdev->mincount = be32_to_cpup(p); | |
13fe4ba1 TM |
5955 | if (xdr_read_pages(xdr, pdev->mincount) != pdev->mincount) |
5956 | goto out_overflow; | |
b1f69b75 AA |
5957 | |
5958 | /* Parse notification bitmap, verifying that it is zero. */ | |
5959 | p = xdr_inline_decode(xdr, 4); | |
5960 | if (unlikely(!p)) | |
5961 | goto out_overflow; | |
5962 | len = be32_to_cpup(p); | |
5963 | if (len) { | |
ead00597 | 5964 | uint32_t i; |
b1f69b75 AA |
5965 | |
5966 | p = xdr_inline_decode(xdr, 4 * len); | |
5967 | if (unlikely(!p)) | |
5968 | goto out_overflow; | |
84c9dee3 | 5969 | |
4e590803 | 5970 | res->notification = be32_to_cpup(p++); |
84c9dee3 CH |
5971 | for (i = 1; i < len; i++) { |
5972 | if (be32_to_cpup(p++)) { | |
5973 | dprintk("%s: unsupported notification\n", | |
b1f69b75 AA |
5974 | __func__); |
5975 | return -EIO; | |
5976 | } | |
5977 | } | |
5978 | } | |
5979 | return 0; | |
5980 | out_overflow: | |
5981 | print_overflow_msg(__func__, xdr); | |
5982 | return -EIO; | |
5983 | } | |
5984 | ||
5985 | static int decode_layoutget(struct xdr_stream *xdr, struct rpc_rqst *req, | |
5986 | struct nfs4_layoutget_res *res) | |
5987 | { | |
5988 | __be32 *p; | |
5989 | int status; | |
5990 | u32 layout_count; | |
64bd577e | 5991 | u32 recvd; |
b1f69b75 AA |
5992 | |
5993 | status = decode_op_hdr(xdr, OP_LAYOUTGET); | |
5994 | if (status) | |
5995 | return status; | |
ea9d23f5 TM |
5996 | p = xdr_inline_decode(xdr, 4); |
5997 | if (unlikely(!p)) | |
5998 | goto out_overflow; | |
5999 | res->return_on_close = be32_to_cpup(p); | |
93b717fd | 6000 | decode_layout_stateid(xdr, &res->stateid); |
ea9d23f5 | 6001 | p = xdr_inline_decode(xdr, 4); |
b1f69b75 AA |
6002 | if (unlikely(!p)) |
6003 | goto out_overflow; | |
b1f69b75 AA |
6004 | layout_count = be32_to_cpup(p); |
6005 | if (!layout_count) { | |
6006 | dprintk("%s: server responded with empty layout array\n", | |
6007 | __func__); | |
6008 | return -EINVAL; | |
6009 | } | |
6010 | ||
35124a09 | 6011 | p = xdr_inline_decode(xdr, 28); |
b1f69b75 AA |
6012 | if (unlikely(!p)) |
6013 | goto out_overflow; | |
6014 | p = xdr_decode_hyper(p, &res->range.offset); | |
6015 | p = xdr_decode_hyper(p, &res->range.length); | |
6016 | res->range.iomode = be32_to_cpup(p++); | |
6017 | res->type = be32_to_cpup(p++); | |
35124a09 | 6018 | res->layoutp->len = be32_to_cpup(p); |
b1f69b75 AA |
6019 | |
6020 | dprintk("%s roff:%lu rlen:%lu riomode:%d, lo_type:0x%x, lo.len:%d\n", | |
6021 | __func__, | |
6022 | (unsigned long)res->range.offset, | |
6023 | (unsigned long)res->range.length, | |
6024 | res->range.iomode, | |
6025 | res->type, | |
35124a09 WAA |
6026 | res->layoutp->len); |
6027 | ||
64bd577e | 6028 | recvd = xdr_read_pages(xdr, res->layoutp->len); |
35124a09 WAA |
6029 | if (res->layoutp->len > recvd) { |
6030 | dprintk("NFS: server cheating in layoutget reply: " | |
6031 | "layout len %u > recvd %u\n", | |
6032 | res->layoutp->len, recvd); | |
6033 | return -EINVAL; | |
6034 | } | |
b1f69b75 | 6035 | |
b1f69b75 AA |
6036 | if (layout_count > 1) { |
6037 | /* We only handle a length one array at the moment. Any | |
6038 | * further entries are just ignored. Note that this means | |
6039 | * the client may see a response that is less than the | |
6040 | * minimum it requested. | |
6041 | */ | |
6042 | dprintk("%s: server responded with %d layouts, dropping tail\n", | |
6043 | __func__, layout_count); | |
6044 | } | |
6045 | ||
6046 | return 0; | |
6047 | out_overflow: | |
6048 | print_overflow_msg(__func__, xdr); | |
6049 | return -EIO; | |
6050 | } | |
863a3c6c | 6051 | |
cbe82603 BH |
6052 | static int decode_layoutreturn(struct xdr_stream *xdr, |
6053 | struct nfs4_layoutreturn_res *res) | |
6054 | { | |
6055 | __be32 *p; | |
6056 | int status; | |
6057 | ||
6058 | status = decode_op_hdr(xdr, OP_LAYOUTRETURN); | |
6059 | if (status) | |
6060 | return status; | |
6061 | p = xdr_inline_decode(xdr, 4); | |
6062 | if (unlikely(!p)) | |
6063 | goto out_overflow; | |
6064 | res->lrs_present = be32_to_cpup(p); | |
6065 | if (res->lrs_present) | |
93b717fd | 6066 | status = decode_layout_stateid(xdr, &res->stateid); |
cbe82603 BH |
6067 | return status; |
6068 | out_overflow: | |
6069 | print_overflow_msg(__func__, xdr); | |
6070 | return -EIO; | |
6071 | } | |
6072 | ||
863a3c6c AA |
6073 | static int decode_layoutcommit(struct xdr_stream *xdr, |
6074 | struct rpc_rqst *req, | |
6075 | struct nfs4_layoutcommit_res *res) | |
6076 | { | |
6077 | __be32 *p; | |
6078 | __u32 sizechanged; | |
6079 | int status; | |
6080 | ||
6081 | status = decode_op_hdr(xdr, OP_LAYOUTCOMMIT); | |
db29c089 | 6082 | res->status = status; |
863a3c6c AA |
6083 | if (status) |
6084 | return status; | |
6085 | ||
6086 | p = xdr_inline_decode(xdr, 4); | |
6087 | if (unlikely(!p)) | |
6088 | goto out_overflow; | |
6089 | sizechanged = be32_to_cpup(p); | |
6090 | ||
6091 | if (sizechanged) { | |
6092 | /* throw away new size */ | |
6093 | p = xdr_inline_decode(xdr, 8); | |
6094 | if (unlikely(!p)) | |
6095 | goto out_overflow; | |
6096 | } | |
6097 | return 0; | |
6098 | out_overflow: | |
6099 | print_overflow_msg(__func__, xdr); | |
6100 | return -EIO; | |
6101 | } | |
7d974794 BS |
6102 | |
6103 | static int decode_test_stateid(struct xdr_stream *xdr, | |
6104 | struct nfs41_test_stateid_res *res) | |
6105 | { | |
6106 | __be32 *p; | |
6107 | int status; | |
6108 | int num_res; | |
6109 | ||
6110 | status = decode_op_hdr(xdr, OP_TEST_STATEID); | |
6111 | if (status) | |
6112 | return status; | |
6113 | ||
6114 | p = xdr_inline_decode(xdr, 4); | |
6115 | if (unlikely(!p)) | |
6116 | goto out_overflow; | |
6117 | num_res = be32_to_cpup(p++); | |
6118 | if (num_res != 1) | |
6119 | goto out; | |
6120 | ||
6121 | p = xdr_inline_decode(xdr, 4); | |
6122 | if (unlikely(!p)) | |
6123 | goto out_overflow; | |
6124 | res->status = be32_to_cpup(p++); | |
1cab0652 BS |
6125 | |
6126 | return status; | |
7d974794 BS |
6127 | out_overflow: |
6128 | print_overflow_msg(__func__, xdr); | |
6129 | out: | |
6130 | return -EIO; | |
6131 | } | |
9aeda35f BS |
6132 | |
6133 | static int decode_free_stateid(struct xdr_stream *xdr, | |
6134 | struct nfs41_free_stateid_res *res) | |
6135 | { | |
9f79fb48 | 6136 | res->status = decode_op_hdr(xdr, OP_FREE_STATEID); |
9aeda35f | 6137 | return res->status; |
9aeda35f | 6138 | } |
cf805165 TM |
6139 | #else |
6140 | static inline | |
6141 | int decode_layoutreturn(struct xdr_stream *xdr, | |
6142 | struct nfs4_layoutreturn_res *res) | |
6143 | { | |
6144 | return 0; | |
6145 | } | |
b1f69b75 AA |
6146 | #endif /* CONFIG_NFS_V4_1 */ |
6147 | ||
49c2559e BH |
6148 | /* |
6149 | * END OF "GENERIC" DECODE ROUTINES. | |
6150 | */ | |
6151 | ||
1da177e4 LT |
6152 | /* |
6153 | * Decode OPEN_DOWNGRADE response | |
6154 | */ | |
bf269551 CL |
6155 | static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst *rqstp, |
6156 | struct xdr_stream *xdr, | |
18d9cff4 | 6157 | void *data) |
1da177e4 | 6158 | { |
18d9cff4 | 6159 | struct nfs_closeres *res = data; |
05d564fe AA |
6160 | struct compound_hdr hdr; |
6161 | int status; | |
6162 | ||
bf269551 | 6163 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6164 | if (status) |
6165 | goto out; | |
bf269551 | 6166 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6167 | if (status) |
6168 | goto out; | |
bf269551 | 6169 | status = decode_putfh(xdr); |
05d564fe AA |
6170 | if (status) |
6171 | goto out; | |
b6808145 TM |
6172 | if (res->lr_res) { |
6173 | status = decode_layoutreturn(xdr, res->lr_res); | |
6174 | res->lr_ret = status; | |
6175 | if (status) | |
6176 | goto out; | |
6177 | } | |
bf269551 | 6178 | status = decode_open_downgrade(xdr, res); |
1da177e4 | 6179 | out: |
05d564fe | 6180 | return status; |
1da177e4 LT |
6181 | } |
6182 | ||
1da177e4 LT |
6183 | /* |
6184 | * Decode ACCESS response | |
6185 | */ | |
bf269551 | 6186 | static int nfs4_xdr_dec_access(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
18d9cff4 | 6187 | void *data) |
1da177e4 | 6188 | { |
18d9cff4 | 6189 | struct nfs4_accessres *res = data; |
1da177e4 LT |
6190 | struct compound_hdr hdr; |
6191 | int status; | |
6c0195a4 | 6192 | |
bf269551 | 6193 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6194 | if (status) |
6195 | goto out; | |
bf269551 | 6196 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6197 | if (status) |
1da177e4 | 6198 | goto out; |
bf269551 | 6199 | status = decode_putfh(xdr); |
76b32999 TM |
6200 | if (status != 0) |
6201 | goto out; | |
6168f62c | 6202 | status = decode_access(xdr, &res->supported, &res->access); |
76b32999 TM |
6203 | if (status != 0) |
6204 | goto out; | |
6926afd1 | 6205 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6206 | out: |
6207 | return status; | |
6208 | } | |
6209 | ||
6210 | /* | |
6211 | * Decode LOOKUP response | |
6212 | */ | |
bf269551 | 6213 | static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
18d9cff4 | 6214 | void *data) |
1da177e4 | 6215 | { |
18d9cff4 | 6216 | struct nfs4_lookup_res *res = data; |
1da177e4 LT |
6217 | struct compound_hdr hdr; |
6218 | int status; | |
6c0195a4 | 6219 | |
bf269551 | 6220 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6221 | if (status) |
6222 | goto out; | |
bf269551 | 6223 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6224 | if (status) |
1da177e4 | 6225 | goto out; |
bf269551 CL |
6226 | status = decode_putfh(xdr); |
6227 | if (status) | |
1da177e4 | 6228 | goto out; |
bf269551 CL |
6229 | status = decode_lookup(xdr); |
6230 | if (status) | |
1da177e4 | 6231 | goto out; |
bf269551 CL |
6232 | status = decode_getfh(xdr, res->fh); |
6233 | if (status) | |
1da177e4 | 6234 | goto out; |
aa9c2669 | 6235 | status = decode_getfattr_label(xdr, res->fattr, res->label, res->server); |
1da177e4 LT |
6236 | out: |
6237 | return status; | |
6238 | } | |
6239 | ||
6240 | /* | |
6241 | * Decode LOOKUP_ROOT response | |
6242 | */ | |
bf269551 CL |
6243 | static int nfs4_xdr_dec_lookup_root(struct rpc_rqst *rqstp, |
6244 | struct xdr_stream *xdr, | |
18d9cff4 | 6245 | void *data) |
1da177e4 | 6246 | { |
18d9cff4 | 6247 | struct nfs4_lookup_res *res = data; |
1da177e4 LT |
6248 | struct compound_hdr hdr; |
6249 | int status; | |
6c0195a4 | 6250 | |
bf269551 | 6251 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6252 | if (status) |
6253 | goto out; | |
bf269551 | 6254 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6255 | if (status) |
1da177e4 | 6256 | goto out; |
bf269551 CL |
6257 | status = decode_putrootfh(xdr); |
6258 | if (status) | |
1da177e4 | 6259 | goto out; |
bf269551 CL |
6260 | status = decode_getfh(xdr, res->fh); |
6261 | if (status == 0) | |
aa9c2669 DQ |
6262 | status = decode_getfattr_label(xdr, res->fattr, |
6263 | res->label, res->server); | |
1da177e4 LT |
6264 | out: |
6265 | return status; | |
6266 | } | |
6267 | ||
6268 | /* | |
6269 | * Decode REMOVE response | |
6270 | */ | |
bf269551 | 6271 | static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
18d9cff4 | 6272 | void *data) |
1da177e4 | 6273 | { |
18d9cff4 | 6274 | struct nfs_removeres *res = data; |
1da177e4 LT |
6275 | struct compound_hdr hdr; |
6276 | int status; | |
6c0195a4 | 6277 | |
bf269551 | 6278 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6279 | if (status) |
6280 | goto out; | |
bf269551 | 6281 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6282 | if (status) |
1da177e4 | 6283 | goto out; |
bf269551 CL |
6284 | status = decode_putfh(xdr); |
6285 | if (status) | |
16e42959 | 6286 | goto out; |
bf269551 | 6287 | status = decode_remove(xdr, &res->cinfo); |
1da177e4 LT |
6288 | out: |
6289 | return status; | |
6290 | } | |
6291 | ||
6292 | /* | |
6293 | * Decode RENAME response | |
6294 | */ | |
bf269551 | 6295 | static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
18d9cff4 | 6296 | void *data) |
1da177e4 | 6297 | { |
18d9cff4 | 6298 | struct nfs_renameres *res = data; |
1da177e4 LT |
6299 | struct compound_hdr hdr; |
6300 | int status; | |
6c0195a4 | 6301 | |
bf269551 | 6302 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6303 | if (status) |
6304 | goto out; | |
bf269551 | 6305 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6306 | if (status) |
1da177e4 | 6307 | goto out; |
bf269551 CL |
6308 | status = decode_putfh(xdr); |
6309 | if (status) | |
1da177e4 | 6310 | goto out; |
bf269551 CL |
6311 | status = decode_savefh(xdr); |
6312 | if (status) | |
1da177e4 | 6313 | goto out; |
bf269551 CL |
6314 | status = decode_putfh(xdr); |
6315 | if (status) | |
1da177e4 | 6316 | goto out; |
bf269551 | 6317 | status = decode_rename(xdr, &res->old_cinfo, &res->new_cinfo); |
1da177e4 LT |
6318 | out: |
6319 | return status; | |
6320 | } | |
6321 | ||
6322 | /* | |
6323 | * Decode LINK response | |
6324 | */ | |
bf269551 | 6325 | static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
18d9cff4 | 6326 | void *data) |
1da177e4 | 6327 | { |
18d9cff4 | 6328 | struct nfs4_link_res *res = data; |
1da177e4 LT |
6329 | struct compound_hdr hdr; |
6330 | int status; | |
6c0195a4 | 6331 | |
bf269551 | 6332 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6333 | if (status) |
6334 | goto out; | |
bf269551 | 6335 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6336 | if (status) |
1da177e4 | 6337 | goto out; |
bf269551 CL |
6338 | status = decode_putfh(xdr); |
6339 | if (status) | |
1da177e4 | 6340 | goto out; |
bf269551 CL |
6341 | status = decode_savefh(xdr); |
6342 | if (status) | |
1da177e4 | 6343 | goto out; |
bf269551 CL |
6344 | status = decode_putfh(xdr); |
6345 | if (status) | |
1da177e4 | 6346 | goto out; |
bf269551 CL |
6347 | status = decode_link(xdr, &res->cinfo); |
6348 | if (status) | |
91ba2eee TM |
6349 | goto out; |
6350 | /* | |
6351 | * Note order: OP_LINK leaves the directory as the current | |
6352 | * filehandle. | |
6353 | */ | |
bf269551 CL |
6354 | status = decode_restorefh(xdr); |
6355 | if (status) | |
91ba2eee | 6356 | goto out; |
aa9c2669 | 6357 | decode_getfattr_label(xdr, res->fattr, res->label, res->server); |
1da177e4 LT |
6358 | out: |
6359 | return status; | |
6360 | } | |
6361 | ||
6362 | /* | |
6363 | * Decode CREATE response | |
6364 | */ | |
bf269551 | 6365 | static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
18d9cff4 | 6366 | void *data) |
1da177e4 | 6367 | { |
18d9cff4 | 6368 | struct nfs4_create_res *res = data; |
1da177e4 LT |
6369 | struct compound_hdr hdr; |
6370 | int status; | |
6c0195a4 | 6371 | |
bf269551 | 6372 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6373 | if (status) |
6374 | goto out; | |
bf269551 | 6375 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6376 | if (status) |
1da177e4 | 6377 | goto out; |
bf269551 | 6378 | status = decode_putfh(xdr); |
bf269551 | 6379 | if (status) |
56ae19f3 | 6380 | goto out; |
bf269551 CL |
6381 | status = decode_create(xdr, &res->dir_cinfo); |
6382 | if (status) | |
1da177e4 | 6383 | goto out; |
bf269551 CL |
6384 | status = decode_getfh(xdr, res->fh); |
6385 | if (status) | |
1da177e4 | 6386 | goto out; |
aa9c2669 | 6387 | decode_getfattr_label(xdr, res->fattr, res->label, res->server); |
1da177e4 LT |
6388 | out: |
6389 | return status; | |
6390 | } | |
6391 | ||
6392 | /* | |
6393 | * Decode SYMLINK response | |
6394 | */ | |
bf269551 | 6395 | static int nfs4_xdr_dec_symlink(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
18d9cff4 | 6396 | void *res) |
1da177e4 | 6397 | { |
bf269551 | 6398 | return nfs4_xdr_dec_create(rqstp, xdr, res); |
1da177e4 LT |
6399 | } |
6400 | ||
6401 | /* | |
6402 | * Decode GETATTR response | |
6403 | */ | |
bf269551 | 6404 | static int nfs4_xdr_dec_getattr(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
18d9cff4 | 6405 | void *data) |
1da177e4 | 6406 | { |
18d9cff4 | 6407 | struct nfs4_getattr_res *res = data; |
1da177e4 LT |
6408 | struct compound_hdr hdr; |
6409 | int status; | |
6c0195a4 | 6410 | |
bf269551 | 6411 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6412 | if (status) |
6413 | goto out; | |
bf269551 | 6414 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6415 | if (status) |
6416 | goto out; | |
bf269551 | 6417 | status = decode_putfh(xdr); |
1da177e4 LT |
6418 | if (status) |
6419 | goto out; | |
aa9c2669 | 6420 | status = decode_getfattr_label(xdr, res->fattr, res->label, res->server); |
1da177e4 LT |
6421 | out: |
6422 | return status; | |
1da177e4 LT |
6423 | } |
6424 | ||
23ec6965 BF |
6425 | /* |
6426 | * Encode an SETACL request | |
6427 | */ | |
9f06c719 | 6428 | static void nfs4_xdr_enc_setacl(struct rpc_rqst *req, struct xdr_stream *xdr, |
0096d39b | 6429 | const void *data) |
23ec6965 | 6430 | { |
0096d39b | 6431 | const struct nfs_setaclargs *args = data; |
05d564fe | 6432 | struct compound_hdr hdr = { |
66cc0429 | 6433 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 6434 | }; |
05d564fe | 6435 | |
9f06c719 CL |
6436 | encode_compound_hdr(xdr, req, &hdr); |
6437 | encode_sequence(xdr, &args->seq_args, &hdr); | |
6438 | encode_putfh(xdr, args->fh, &hdr); | |
6439 | encode_setacl(xdr, args, &hdr); | |
d017931c | 6440 | encode_nops(&hdr); |
23ec6965 | 6441 | } |
05d564fe | 6442 | |
23ec6965 BF |
6443 | /* |
6444 | * Decode SETACL response | |
6445 | */ | |
6446 | static int | |
bf269551 | 6447 | nfs4_xdr_dec_setacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
18d9cff4 | 6448 | void *data) |
23ec6965 | 6449 | { |
18d9cff4 | 6450 | struct nfs_setaclres *res = data; |
23ec6965 BF |
6451 | struct compound_hdr hdr; |
6452 | int status; | |
6453 | ||
bf269551 | 6454 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6455 | if (status) |
6456 | goto out; | |
bf269551 | 6457 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
23ec6965 BF |
6458 | if (status) |
6459 | goto out; | |
bf269551 | 6460 | status = decode_putfh(xdr); |
23ec6965 BF |
6461 | if (status) |
6462 | goto out; | |
bf269551 | 6463 | status = decode_setattr(xdr); |
23ec6965 BF |
6464 | out: |
6465 | return status; | |
6466 | } | |
1da177e4 | 6467 | |
029d105e BF |
6468 | /* |
6469 | * Decode GETACL response | |
6470 | */ | |
6471 | static int | |
bf269551 | 6472 | nfs4_xdr_dec_getacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
18d9cff4 | 6473 | void *data) |
029d105e | 6474 | { |
18d9cff4 | 6475 | struct nfs_getaclres *res = data; |
029d105e BF |
6476 | struct compound_hdr hdr; |
6477 | int status; | |
6478 | ||
331818f1 TM |
6479 | if (res->acl_scratch != NULL) { |
6480 | void *p = page_address(res->acl_scratch); | |
6481 | xdr_set_scratch_buffer(xdr, p, PAGE_SIZE); | |
6482 | } | |
bf269551 | 6483 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6484 | if (status) |
6485 | goto out; | |
bf269551 | 6486 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
029d105e BF |
6487 | if (status) |
6488 | goto out; | |
bf269551 | 6489 | status = decode_putfh(xdr); |
029d105e BF |
6490 | if (status) |
6491 | goto out; | |
bf118a34 | 6492 | status = decode_getacl(xdr, rqstp, res); |
029d105e BF |
6493 | |
6494 | out: | |
6495 | return status; | |
6496 | } | |
6497 | ||
1da177e4 LT |
6498 | /* |
6499 | * Decode CLOSE response | |
6500 | */ | |
bf269551 | 6501 | static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
18d9cff4 | 6502 | void *data) |
1da177e4 | 6503 | { |
18d9cff4 | 6504 | struct nfs_closeres *res = data; |
05d564fe AA |
6505 | struct compound_hdr hdr; |
6506 | int status; | |
6507 | ||
bf269551 | 6508 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6509 | if (status) |
6510 | goto out; | |
bf269551 | 6511 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6512 | if (status) |
6513 | goto out; | |
bf269551 | 6514 | status = decode_putfh(xdr); |
05d564fe AA |
6515 | if (status) |
6516 | goto out; | |
cf805165 TM |
6517 | if (res->lr_res) { |
6518 | status = decode_layoutreturn(xdr, res->lr_res); | |
6519 | res->lr_ret = status; | |
6520 | if (status) | |
6521 | goto out; | |
6522 | } | |
d8d84983 TM |
6523 | if (res->fattr != NULL) { |
6524 | status = decode_getfattr(xdr, res->fattr, res->server); | |
6525 | if (status != 0) | |
6526 | goto out; | |
6527 | } | |
bf269551 | 6528 | status = decode_close(xdr, res); |
1da177e4 | 6529 | out: |
05d564fe | 6530 | return status; |
1da177e4 LT |
6531 | } |
6532 | ||
6533 | /* | |
6534 | * Decode OPEN response | |
6535 | */ | |
bf269551 | 6536 | static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
18d9cff4 | 6537 | void *data) |
1da177e4 | 6538 | { |
18d9cff4 | 6539 | struct nfs_openres *res = data; |
05d564fe AA |
6540 | struct compound_hdr hdr; |
6541 | int status; | |
6542 | ||
bf269551 | 6543 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6544 | if (status) |
6545 | goto out; | |
bf269551 | 6546 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6547 | if (status) |
6548 | goto out; | |
bf269551 | 6549 | status = decode_putfh(xdr); |
05d564fe AA |
6550 | if (status) |
6551 | goto out; | |
bf269551 | 6552 | status = decode_open(xdr, res); |
56ae19f3 TM |
6553 | if (status) |
6554 | goto out; | |
01913b49 WAA |
6555 | status = decode_getfh(xdr, &res->fh); |
6556 | if (status) | |
1da177e4 | 6557 | goto out; |
ae2bb032 WAA |
6558 | if (res->access_request) |
6559 | decode_access(xdr, &res->access_supported, &res->access_result); | |
aa9c2669 | 6560 | decode_getfattr_label(xdr, res->f_attr, res->f_label, res->server); |
1da177e4 | 6561 | out: |
05d564fe | 6562 | return status; |
1da177e4 LT |
6563 | } |
6564 | ||
6565 | /* | |
6566 | * Decode OPEN_CONFIRM response | |
6567 | */ | |
bf269551 CL |
6568 | static int nfs4_xdr_dec_open_confirm(struct rpc_rqst *rqstp, |
6569 | struct xdr_stream *xdr, | |
18d9cff4 | 6570 | void *data) |
1da177e4 | 6571 | { |
18d9cff4 | 6572 | struct nfs_open_confirmres *res = data; |
05d564fe AA |
6573 | struct compound_hdr hdr; |
6574 | int status; | |
6575 | ||
bf269551 | 6576 | status = decode_compound_hdr(xdr, &hdr); |
05d564fe AA |
6577 | if (status) |
6578 | goto out; | |
bf269551 | 6579 | status = decode_putfh(xdr); |
05d564fe AA |
6580 | if (status) |
6581 | goto out; | |
bf269551 | 6582 | status = decode_open_confirm(xdr, res); |
1da177e4 | 6583 | out: |
05d564fe | 6584 | return status; |
1da177e4 LT |
6585 | } |
6586 | ||
6587 | /* | |
6588 | * Decode OPEN response | |
6589 | */ | |
bf269551 CL |
6590 | static int nfs4_xdr_dec_open_noattr(struct rpc_rqst *rqstp, |
6591 | struct xdr_stream *xdr, | |
18d9cff4 | 6592 | void *data) |
1da177e4 | 6593 | { |
18d9cff4 | 6594 | struct nfs_openres *res = data; |
05d564fe AA |
6595 | struct compound_hdr hdr; |
6596 | int status; | |
6597 | ||
bf269551 | 6598 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6599 | if (status) |
6600 | goto out; | |
bf269551 | 6601 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6602 | if (status) |
6603 | goto out; | |
bf269551 | 6604 | status = decode_putfh(xdr); |
05d564fe AA |
6605 | if (status) |
6606 | goto out; | |
bf269551 | 6607 | status = decode_open(xdr, res); |
05d564fe AA |
6608 | if (status) |
6609 | goto out; | |
ae2bb032 WAA |
6610 | if (res->access_request) |
6611 | decode_access(xdr, &res->access_supported, &res->access_result); | |
6926afd1 | 6612 | decode_getfattr(xdr, res->f_attr, res->server); |
1da177e4 | 6613 | out: |
05d564fe | 6614 | return status; |
1da177e4 LT |
6615 | } |
6616 | ||
6617 | /* | |
6618 | * Decode SETATTR response | |
6619 | */ | |
bf269551 CL |
6620 | static int nfs4_xdr_dec_setattr(struct rpc_rqst *rqstp, |
6621 | struct xdr_stream *xdr, | |
18d9cff4 | 6622 | void *data) |
1da177e4 | 6623 | { |
18d9cff4 | 6624 | struct nfs_setattrres *res = data; |
05d564fe AA |
6625 | struct compound_hdr hdr; |
6626 | int status; | |
6627 | ||
bf269551 | 6628 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6629 | if (status) |
6630 | goto out; | |
bf269551 | 6631 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6632 | if (status) |
6633 | goto out; | |
bf269551 | 6634 | status = decode_putfh(xdr); |
05d564fe AA |
6635 | if (status) |
6636 | goto out; | |
bf269551 | 6637 | status = decode_setattr(xdr); |
05d564fe AA |
6638 | if (status) |
6639 | goto out; | |
aa9c2669 | 6640 | decode_getfattr_label(xdr, res->fattr, res->label, res->server); |
1da177e4 | 6641 | out: |
05d564fe | 6642 | return status; |
1da177e4 LT |
6643 | } |
6644 | ||
6645 | /* | |
6646 | * Decode LOCK response | |
6647 | */ | |
bf269551 | 6648 | static int nfs4_xdr_dec_lock(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
18d9cff4 | 6649 | void *data) |
1da177e4 | 6650 | { |
18d9cff4 | 6651 | struct nfs_lock_res *res = data; |
1da177e4 LT |
6652 | struct compound_hdr hdr; |
6653 | int status; | |
6654 | ||
bf269551 | 6655 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6656 | if (status) |
6657 | goto out; | |
bf269551 | 6658 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6659 | if (status) |
6660 | goto out; | |
bf269551 | 6661 | status = decode_putfh(xdr); |
1da177e4 LT |
6662 | if (status) |
6663 | goto out; | |
bf269551 | 6664 | status = decode_lock(xdr, res); |
1da177e4 LT |
6665 | out: |
6666 | return status; | |
6667 | } | |
6668 | ||
6669 | /* | |
6670 | * Decode LOCKT response | |
6671 | */ | |
bf269551 | 6672 | static int nfs4_xdr_dec_lockt(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
18d9cff4 | 6673 | void *data) |
1da177e4 | 6674 | { |
18d9cff4 | 6675 | struct nfs_lockt_res *res = data; |
1da177e4 LT |
6676 | struct compound_hdr hdr; |
6677 | int status; | |
6678 | ||
bf269551 | 6679 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6680 | if (status) |
6681 | goto out; | |
bf269551 | 6682 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6683 | if (status) |
6684 | goto out; | |
bf269551 | 6685 | status = decode_putfh(xdr); |
1da177e4 LT |
6686 | if (status) |
6687 | goto out; | |
bf269551 | 6688 | status = decode_lockt(xdr, res); |
1da177e4 LT |
6689 | out: |
6690 | return status; | |
6691 | } | |
6692 | ||
6693 | /* | |
6694 | * Decode LOCKU response | |
6695 | */ | |
bf269551 | 6696 | static int nfs4_xdr_dec_locku(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
18d9cff4 | 6697 | void *data) |
1da177e4 | 6698 | { |
18d9cff4 | 6699 | struct nfs_locku_res *res = data; |
1da177e4 LT |
6700 | struct compound_hdr hdr; |
6701 | int status; | |
6702 | ||
bf269551 | 6703 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6704 | if (status) |
6705 | goto out; | |
bf269551 | 6706 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6707 | if (status) |
6708 | goto out; | |
bf269551 | 6709 | status = decode_putfh(xdr); |
1da177e4 LT |
6710 | if (status) |
6711 | goto out; | |
bf269551 | 6712 | status = decode_locku(xdr, res); |
1da177e4 LT |
6713 | out: |
6714 | return status; | |
6715 | } | |
6716 | ||
bf269551 CL |
6717 | static int nfs4_xdr_dec_release_lockowner(struct rpc_rqst *rqstp, |
6718 | struct xdr_stream *xdr, void *dummy) | |
d3c7b7cc | 6719 | { |
d3c7b7cc TM |
6720 | struct compound_hdr hdr; |
6721 | int status; | |
6722 | ||
bf269551 | 6723 | status = decode_compound_hdr(xdr, &hdr); |
d3c7b7cc | 6724 | if (!status) |
bf269551 | 6725 | status = decode_release_lockowner(xdr); |
d3c7b7cc TM |
6726 | return status; |
6727 | } | |
6728 | ||
1da177e4 LT |
6729 | /* |
6730 | * Decode READLINK response | |
6731 | */ | |
bf269551 CL |
6732 | static int nfs4_xdr_dec_readlink(struct rpc_rqst *rqstp, |
6733 | struct xdr_stream *xdr, | |
18d9cff4 | 6734 | void *data) |
1da177e4 | 6735 | { |
18d9cff4 | 6736 | struct nfs4_readlink_res *res = data; |
1da177e4 LT |
6737 | struct compound_hdr hdr; |
6738 | int status; | |
6739 | ||
bf269551 | 6740 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6741 | if (status) |
6742 | goto out; | |
bf269551 | 6743 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6744 | if (status) |
6745 | goto out; | |
bf269551 | 6746 | status = decode_putfh(xdr); |
1da177e4 LT |
6747 | if (status) |
6748 | goto out; | |
bf269551 | 6749 | status = decode_readlink(xdr, rqstp); |
1da177e4 LT |
6750 | out: |
6751 | return status; | |
6752 | } | |
6753 | ||
6754 | /* | |
6755 | * Decode READDIR response | |
6756 | */ | |
bf269551 | 6757 | static int nfs4_xdr_dec_readdir(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
18d9cff4 | 6758 | void *data) |
1da177e4 | 6759 | { |
18d9cff4 | 6760 | struct nfs4_readdir_res *res = data; |
1da177e4 LT |
6761 | struct compound_hdr hdr; |
6762 | int status; | |
6763 | ||
bf269551 | 6764 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6765 | if (status) |
6766 | goto out; | |
bf269551 | 6767 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6768 | if (status) |
6769 | goto out; | |
bf269551 | 6770 | status = decode_putfh(xdr); |
1da177e4 LT |
6771 | if (status) |
6772 | goto out; | |
bf269551 | 6773 | status = decode_readdir(xdr, rqstp, res); |
1da177e4 LT |
6774 | out: |
6775 | return status; | |
6776 | } | |
6777 | ||
6778 | /* | |
6779 | * Decode Read response | |
6780 | */ | |
bf269551 | 6781 | static int nfs4_xdr_dec_read(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
18d9cff4 | 6782 | void *data) |
1da177e4 | 6783 | { |
18d9cff4 | 6784 | struct nfs_pgio_res *res = data; |
1da177e4 LT |
6785 | struct compound_hdr hdr; |
6786 | int status; | |
6787 | ||
bf269551 | 6788 | status = decode_compound_hdr(xdr, &hdr); |
aabff4dd | 6789 | res->op_status = hdr.status; |
9b7b9fcc AA |
6790 | if (status) |
6791 | goto out; | |
bf269551 | 6792 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6793 | if (status) |
6794 | goto out; | |
bf269551 | 6795 | status = decode_putfh(xdr); |
1da177e4 LT |
6796 | if (status) |
6797 | goto out; | |
bf269551 | 6798 | status = decode_read(xdr, rqstp, res); |
1da177e4 LT |
6799 | if (!status) |
6800 | status = res->count; | |
6801 | out: | |
6802 | return status; | |
6803 | } | |
6804 | ||
6805 | /* | |
6806 | * Decode WRITE response | |
6807 | */ | |
bf269551 | 6808 | static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
18d9cff4 | 6809 | void *data) |
1da177e4 | 6810 | { |
18d9cff4 | 6811 | struct nfs_pgio_res *res = data; |
1da177e4 LT |
6812 | struct compound_hdr hdr; |
6813 | int status; | |
6814 | ||
bf269551 | 6815 | status = decode_compound_hdr(xdr, &hdr); |
aabff4dd | 6816 | res->op_status = hdr.status; |
9b7b9fcc AA |
6817 | if (status) |
6818 | goto out; | |
bf269551 | 6819 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6820 | if (status) |
6821 | goto out; | |
bf269551 | 6822 | status = decode_putfh(xdr); |
1da177e4 LT |
6823 | if (status) |
6824 | goto out; | |
bf269551 | 6825 | status = decode_write(xdr, res); |
4f9838c7 TM |
6826 | if (status) |
6827 | goto out; | |
7ffd1064 | 6828 | if (res->fattr) |
6926afd1 | 6829 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6830 | if (!status) |
6831 | status = res->count; | |
6832 | out: | |
6833 | return status; | |
6834 | } | |
6835 | ||
6836 | /* | |
6837 | * Decode COMMIT response | |
6838 | */ | |
bf269551 | 6839 | static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
18d9cff4 | 6840 | void *data) |
1da177e4 | 6841 | { |
18d9cff4 | 6842 | struct nfs_commitres *res = data; |
1da177e4 LT |
6843 | struct compound_hdr hdr; |
6844 | int status; | |
6845 | ||
bf269551 | 6846 | status = decode_compound_hdr(xdr, &hdr); |
aabff4dd | 6847 | res->op_status = hdr.status; |
9b7b9fcc AA |
6848 | if (status) |
6849 | goto out; | |
bf269551 | 6850 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6851 | if (status) |
6852 | goto out; | |
bf269551 | 6853 | status = decode_putfh(xdr); |
1da177e4 LT |
6854 | if (status) |
6855 | goto out; | |
bf269551 | 6856 | status = decode_commit(xdr, res); |
1da177e4 LT |
6857 | out: |
6858 | return status; | |
6859 | } | |
6860 | ||
6861 | /* | |
8b173218 | 6862 | * Decode FSINFO response |
1da177e4 | 6863 | */ |
bf269551 | 6864 | static int nfs4_xdr_dec_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, |
18d9cff4 | 6865 | void *data) |
1da177e4 | 6866 | { |
18d9cff4 | 6867 | struct nfs4_fsinfo_res *res = data; |
1da177e4 LT |
6868 | struct compound_hdr hdr; |
6869 | int status; | |
6870 | ||
bf269551 | 6871 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6872 | if (!status) |
bf269551 | 6873 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6874 | if (!status) |
bf269551 | 6875 | status = decode_putfh(xdr); |
1da177e4 | 6876 | if (!status) |
bf269551 | 6877 | status = decode_fsinfo(xdr, res->fsinfo); |
1da177e4 LT |
6878 | return status; |
6879 | } | |
6880 | ||
6881 | /* | |
8b173218 | 6882 | * Decode PATHCONF response |
1da177e4 | 6883 | */ |
bf269551 | 6884 | static int nfs4_xdr_dec_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, |
18d9cff4 | 6885 | void *data) |
1da177e4 | 6886 | { |
18d9cff4 | 6887 | struct nfs4_pathconf_res *res = data; |
1da177e4 LT |
6888 | struct compound_hdr hdr; |
6889 | int status; | |
6890 | ||
bf269551 | 6891 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6892 | if (!status) |
bf269551 | 6893 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6894 | if (!status) |
bf269551 | 6895 | status = decode_putfh(xdr); |
1da177e4 | 6896 | if (!status) |
bf269551 | 6897 | status = decode_pathconf(xdr, res->pathconf); |
1da177e4 LT |
6898 | return status; |
6899 | } | |
6900 | ||
6901 | /* | |
8b173218 | 6902 | * Decode STATFS response |
1da177e4 | 6903 | */ |
bf269551 | 6904 | static int nfs4_xdr_dec_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, |
18d9cff4 | 6905 | void *data) |
1da177e4 | 6906 | { |
18d9cff4 | 6907 | struct nfs4_statfs_res *res = data; |
1da177e4 LT |
6908 | struct compound_hdr hdr; |
6909 | int status; | |
6910 | ||
bf269551 | 6911 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6912 | if (!status) |
bf269551 | 6913 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6914 | if (!status) |
bf269551 | 6915 | status = decode_putfh(xdr); |
1da177e4 | 6916 | if (!status) |
bf269551 | 6917 | status = decode_statfs(xdr, res->fsstat); |
1da177e4 LT |
6918 | return status; |
6919 | } | |
6920 | ||
6921 | /* | |
8b173218 | 6922 | * Decode GETATTR_BITMAP response |
1da177e4 | 6923 | */ |
bf269551 CL |
6924 | static int nfs4_xdr_dec_server_caps(struct rpc_rqst *req, |
6925 | struct xdr_stream *xdr, | |
18d9cff4 | 6926 | void *data) |
1da177e4 | 6927 | { |
18d9cff4 | 6928 | struct nfs4_server_caps_res *res = data; |
1da177e4 LT |
6929 | struct compound_hdr hdr; |
6930 | int status; | |
6931 | ||
bf269551 | 6932 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6933 | if (status) |
6934 | goto out; | |
bf269551 | 6935 | status = decode_sequence(xdr, &res->seq_res, req); |
9b7b9fcc | 6936 | if (status) |
1da177e4 | 6937 | goto out; |
bf269551 CL |
6938 | status = decode_putfh(xdr); |
6939 | if (status) | |
1da177e4 | 6940 | goto out; |
bf269551 | 6941 | status = decode_server_caps(xdr, res); |
1da177e4 LT |
6942 | out: |
6943 | return status; | |
6944 | } | |
6945 | ||
6946 | /* | |
6947 | * Decode RENEW response | |
6948 | */ | |
bf269551 CL |
6949 | static int nfs4_xdr_dec_renew(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6950 | void *__unused) | |
1da177e4 | 6951 | { |
1da177e4 LT |
6952 | struct compound_hdr hdr; |
6953 | int status; | |
6954 | ||
bf269551 | 6955 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6956 | if (!status) |
bf269551 | 6957 | status = decode_renew(xdr); |
1da177e4 LT |
6958 | return status; |
6959 | } | |
6960 | ||
6961 | /* | |
8b173218 | 6962 | * Decode SETCLIENTID response |
1da177e4 | 6963 | */ |
bf269551 CL |
6964 | static int nfs4_xdr_dec_setclientid(struct rpc_rqst *req, |
6965 | struct xdr_stream *xdr, | |
18d9cff4 | 6966 | void *data) |
1da177e4 | 6967 | { |
18d9cff4 | 6968 | struct nfs4_setclientid_res *res = data; |
1da177e4 LT |
6969 | struct compound_hdr hdr; |
6970 | int status; | |
6971 | ||
bf269551 | 6972 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6973 | if (!status) |
bf269551 | 6974 | status = decode_setclientid(xdr, res); |
1da177e4 LT |
6975 | return status; |
6976 | } | |
6977 | ||
6978 | /* | |
8b173218 | 6979 | * Decode SETCLIENTID_CONFIRM response |
1da177e4 | 6980 | */ |
bf269551 | 6981 | static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst *req, |
18d9cff4 CH |
6982 | struct xdr_stream *xdr, |
6983 | void *data) | |
1da177e4 | 6984 | { |
1da177e4 LT |
6985 | struct compound_hdr hdr; |
6986 | int status; | |
6987 | ||
bf269551 | 6988 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6989 | if (!status) |
bf269551 | 6990 | status = decode_setclientid_confirm(xdr); |
1da177e4 LT |
6991 | return status; |
6992 | } | |
6993 | ||
6994 | /* | |
8b173218 | 6995 | * Decode DELEGRETURN response |
1da177e4 | 6996 | */ |
bf269551 CL |
6997 | static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, |
6998 | struct xdr_stream *xdr, | |
18d9cff4 | 6999 | void *data) |
1da177e4 | 7000 | { |
18d9cff4 | 7001 | struct nfs4_delegreturnres *res = data; |
1da177e4 LT |
7002 | struct compound_hdr hdr; |
7003 | int status; | |
7004 | ||
bf269551 | 7005 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
7006 | if (status) |
7007 | goto out; | |
bf269551 | 7008 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 7009 | if (status) |
fa178f29 | 7010 | goto out; |
bf269551 | 7011 | status = decode_putfh(xdr); |
fa178f29 TM |
7012 | if (status != 0) |
7013 | goto out; | |
586f1c39 TM |
7014 | if (res->lr_res) { |
7015 | status = decode_layoutreturn(xdr, res->lr_res); | |
7016 | res->lr_ret = status; | |
7017 | if (status) | |
7018 | goto out; | |
7019 | } | |
8ac2b422 TM |
7020 | if (res->fattr) { |
7021 | status = decode_getfattr(xdr, res->fattr, res->server); | |
7022 | if (status != 0) | |
7023 | goto out; | |
7024 | } | |
e144cbcc | 7025 | status = decode_delegreturn(xdr); |
fa178f29 | 7026 | out: |
1da177e4 LT |
7027 | return status; |
7028 | } | |
7029 | ||
683b57b4 | 7030 | /* |
8b173218 | 7031 | * Decode FS_LOCATIONS response |
683b57b4 | 7032 | */ |
bf269551 CL |
7033 | static int nfs4_xdr_dec_fs_locations(struct rpc_rqst *req, |
7034 | struct xdr_stream *xdr, | |
18d9cff4 | 7035 | void *data) |
683b57b4 | 7036 | { |
18d9cff4 | 7037 | struct nfs4_fs_locations_res *res = data; |
683b57b4 TM |
7038 | struct compound_hdr hdr; |
7039 | int status; | |
7040 | ||
bf269551 | 7041 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
7042 | if (status) |
7043 | goto out; | |
bf269551 | 7044 | status = decode_sequence(xdr, &res->seq_res, req); |
9b7b9fcc | 7045 | if (status) |
683b57b4 | 7046 | goto out; |
bf269551 CL |
7047 | status = decode_putfh(xdr); |
7048 | if (status) | |
683b57b4 | 7049 | goto out; |
b03d735b CL |
7050 | if (res->migration) { |
7051 | xdr_enter_page(xdr, PAGE_SIZE); | |
7052 | status = decode_getfattr_generic(xdr, | |
7053 | &res->fs_locations->fattr, | |
8b7e3f49 | 7054 | NULL, res->fs_locations, |
aa9c2669 | 7055 | NULL, res->fs_locations->server); |
b03d735b CL |
7056 | if (status) |
7057 | goto out; | |
7058 | if (res->renew) | |
7059 | status = decode_renew(xdr); | |
7060 | } else { | |
7061 | status = decode_lookup(xdr); | |
7062 | if (status) | |
7063 | goto out; | |
7064 | xdr_enter_page(xdr, PAGE_SIZE); | |
7065 | status = decode_getfattr_generic(xdr, | |
7066 | &res->fs_locations->fattr, | |
7067 | NULL, res->fs_locations, | |
7068 | NULL, res->fs_locations->server); | |
7069 | } | |
683b57b4 TM |
7070 | out: |
7071 | return status; | |
7072 | } | |
7073 | ||
5a5ea0d4 BS |
7074 | /* |
7075 | * Decode SECINFO response | |
7076 | */ | |
7077 | static int nfs4_xdr_dec_secinfo(struct rpc_rqst *rqstp, | |
7078 | struct xdr_stream *xdr, | |
18d9cff4 | 7079 | void *data) |
5a5ea0d4 | 7080 | { |
18d9cff4 | 7081 | struct nfs4_secinfo_res *res = data; |
5a5ea0d4 BS |
7082 | struct compound_hdr hdr; |
7083 | int status; | |
7084 | ||
7085 | status = decode_compound_hdr(xdr, &hdr); | |
7086 | if (status) | |
7087 | goto out; | |
7088 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7089 | if (status) | |
7090 | goto out; | |
7091 | status = decode_putfh(xdr); | |
7092 | if (status) | |
7093 | goto out; | |
7094 | status = decode_secinfo(xdr, res); | |
5a5ea0d4 BS |
7095 | out: |
7096 | return status; | |
7097 | } | |
7098 | ||
44c99933 CL |
7099 | /* |
7100 | * Decode FSID_PRESENT response | |
7101 | */ | |
7102 | static int nfs4_xdr_dec_fsid_present(struct rpc_rqst *rqstp, | |
7103 | struct xdr_stream *xdr, | |
18d9cff4 | 7104 | void *data) |
44c99933 | 7105 | { |
18d9cff4 | 7106 | struct nfs4_fsid_present_res *res = data; |
44c99933 CL |
7107 | struct compound_hdr hdr; |
7108 | int status; | |
7109 | ||
7110 | status = decode_compound_hdr(xdr, &hdr); | |
7111 | if (status) | |
7112 | goto out; | |
7113 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7114 | if (status) | |
7115 | goto out; | |
7116 | status = decode_putfh(xdr); | |
7117 | if (status) | |
7118 | goto out; | |
7119 | status = decode_getfh(xdr, res->fh); | |
7120 | if (status) | |
7121 | goto out; | |
7122 | if (res->renew) | |
7123 | status = decode_renew(xdr); | |
7124 | out: | |
7125 | return status; | |
7126 | } | |
7127 | ||
99fe60d0 | 7128 | #if defined(CONFIG_NFS_V4_1) |
7c44f1ae WAA |
7129 | /* |
7130 | * Decode BIND_CONN_TO_SESSION response | |
7131 | */ | |
7132 | static int nfs4_xdr_dec_bind_conn_to_session(struct rpc_rqst *rqstp, | |
7133 | struct xdr_stream *xdr, | |
7134 | void *res) | |
7135 | { | |
7136 | struct compound_hdr hdr; | |
7137 | int status; | |
7138 | ||
7139 | status = decode_compound_hdr(xdr, &hdr); | |
7140 | if (!status) | |
7141 | status = decode_bind_conn_to_session(xdr, res); | |
7142 | return status; | |
7143 | } | |
7144 | ||
99fe60d0 | 7145 | /* |
8b173218 | 7146 | * Decode EXCHANGE_ID response |
99fe60d0 | 7147 | */ |
bf269551 CL |
7148 | static int nfs4_xdr_dec_exchange_id(struct rpc_rqst *rqstp, |
7149 | struct xdr_stream *xdr, | |
99fe60d0 BH |
7150 | void *res) |
7151 | { | |
99fe60d0 BH |
7152 | struct compound_hdr hdr; |
7153 | int status; | |
7154 | ||
bf269551 | 7155 | status = decode_compound_hdr(xdr, &hdr); |
99fe60d0 | 7156 | if (!status) |
bf269551 | 7157 | status = decode_exchange_id(xdr, res); |
99fe60d0 BH |
7158 | return status; |
7159 | } | |
2050f0cc | 7160 | |
fc931582 | 7161 | /* |
8b173218 | 7162 | * Decode CREATE_SESSION response |
fc931582 | 7163 | */ |
bf269551 CL |
7164 | static int nfs4_xdr_dec_create_session(struct rpc_rqst *rqstp, |
7165 | struct xdr_stream *xdr, | |
18d9cff4 | 7166 | void *res) |
fc931582 | 7167 | { |
fc931582 AA |
7168 | struct compound_hdr hdr; |
7169 | int status; | |
7170 | ||
bf269551 | 7171 | status = decode_compound_hdr(xdr, &hdr); |
fc931582 | 7172 | if (!status) |
bf269551 | 7173 | status = decode_create_session(xdr, res); |
fc931582 AA |
7174 | return status; |
7175 | } | |
7176 | ||
0f3e66c6 | 7177 | /* |
8b173218 | 7178 | * Decode DESTROY_SESSION response |
0f3e66c6 | 7179 | */ |
bf269551 CL |
7180 | static int nfs4_xdr_dec_destroy_session(struct rpc_rqst *rqstp, |
7181 | struct xdr_stream *xdr, | |
7182 | void *res) | |
0f3e66c6 | 7183 | { |
0f3e66c6 AA |
7184 | struct compound_hdr hdr; |
7185 | int status; | |
7186 | ||
bf269551 | 7187 | status = decode_compound_hdr(xdr, &hdr); |
0f3e66c6 | 7188 | if (!status) |
bf269551 | 7189 | status = decode_destroy_session(xdr, res); |
0f3e66c6 AA |
7190 | return status; |
7191 | } | |
7192 | ||
66245539 TM |
7193 | /* |
7194 | * Decode DESTROY_CLIENTID response | |
7195 | */ | |
7196 | static int nfs4_xdr_dec_destroy_clientid(struct rpc_rqst *rqstp, | |
7197 | struct xdr_stream *xdr, | |
7198 | void *res) | |
7199 | { | |
7200 | struct compound_hdr hdr; | |
7201 | int status; | |
7202 | ||
7203 | status = decode_compound_hdr(xdr, &hdr); | |
7204 | if (!status) | |
7205 | status = decode_destroy_clientid(xdr, res); | |
7206 | return status; | |
7207 | } | |
7208 | ||
fc01cea9 | 7209 | /* |
8b173218 | 7210 | * Decode SEQUENCE response |
fc01cea9 | 7211 | */ |
bf269551 CL |
7212 | static int nfs4_xdr_dec_sequence(struct rpc_rqst *rqstp, |
7213 | struct xdr_stream *xdr, | |
18d9cff4 | 7214 | void *res) |
fc01cea9 | 7215 | { |
fc01cea9 AA |
7216 | struct compound_hdr hdr; |
7217 | int status; | |
7218 | ||
bf269551 | 7219 | status = decode_compound_hdr(xdr, &hdr); |
fc01cea9 | 7220 | if (!status) |
bf269551 | 7221 | status = decode_sequence(xdr, res, rqstp); |
fc01cea9 AA |
7222 | return status; |
7223 | } | |
7224 | ||
2050f0cc | 7225 | /* |
8b173218 | 7226 | * Decode GET_LEASE_TIME response |
2050f0cc | 7227 | */ |
bf269551 CL |
7228 | static int nfs4_xdr_dec_get_lease_time(struct rpc_rqst *rqstp, |
7229 | struct xdr_stream *xdr, | |
18d9cff4 | 7230 | void *data) |
2050f0cc | 7231 | { |
18d9cff4 | 7232 | struct nfs4_get_lease_time_res *res = data; |
2050f0cc AA |
7233 | struct compound_hdr hdr; |
7234 | int status; | |
7235 | ||
bf269551 | 7236 | status = decode_compound_hdr(xdr, &hdr); |
2050f0cc | 7237 | if (!status) |
bf269551 | 7238 | status = decode_sequence(xdr, &res->lr_seq_res, rqstp); |
2050f0cc | 7239 | if (!status) |
bf269551 | 7240 | status = decode_putrootfh(xdr); |
2050f0cc | 7241 | if (!status) |
bf269551 | 7242 | status = decode_fsinfo(xdr, res->lr_fsinfo); |
2050f0cc AA |
7243 | return status; |
7244 | } | |
18019753 RL |
7245 | |
7246 | /* | |
7247 | * Decode RECLAIM_COMPLETE response | |
7248 | */ | |
bf269551 CL |
7249 | static int nfs4_xdr_dec_reclaim_complete(struct rpc_rqst *rqstp, |
7250 | struct xdr_stream *xdr, | |
18d9cff4 | 7251 | void *data) |
18019753 | 7252 | { |
18d9cff4 | 7253 | struct nfs41_reclaim_complete_res *res = data; |
18019753 RL |
7254 | struct compound_hdr hdr; |
7255 | int status; | |
7256 | ||
bf269551 | 7257 | status = decode_compound_hdr(xdr, &hdr); |
18019753 | 7258 | if (!status) |
bf269551 | 7259 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
18019753 | 7260 | if (!status) |
8ee2b78a | 7261 | status = decode_reclaim_complete(xdr, NULL); |
18019753 RL |
7262 | return status; |
7263 | } | |
b1f69b75 AA |
7264 | |
7265 | /* | |
7266 | * Decode GETDEVINFO response | |
7267 | */ | |
bf269551 CL |
7268 | static int nfs4_xdr_dec_getdeviceinfo(struct rpc_rqst *rqstp, |
7269 | struct xdr_stream *xdr, | |
18d9cff4 | 7270 | void *data) |
b1f69b75 | 7271 | { |
18d9cff4 | 7272 | struct nfs4_getdeviceinfo_res *res = data; |
b1f69b75 AA |
7273 | struct compound_hdr hdr; |
7274 | int status; | |
7275 | ||
bf269551 | 7276 | status = decode_compound_hdr(xdr, &hdr); |
b1f69b75 AA |
7277 | if (status != 0) |
7278 | goto out; | |
bf269551 | 7279 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
b1f69b75 AA |
7280 | if (status != 0) |
7281 | goto out; | |
4e590803 | 7282 | status = decode_getdeviceinfo(xdr, res); |
b1f69b75 AA |
7283 | out: |
7284 | return status; | |
7285 | } | |
7286 | ||
7287 | /* | |
7288 | * Decode LAYOUTGET response | |
7289 | */ | |
bf269551 CL |
7290 | static int nfs4_xdr_dec_layoutget(struct rpc_rqst *rqstp, |
7291 | struct xdr_stream *xdr, | |
18d9cff4 | 7292 | void *data) |
b1f69b75 | 7293 | { |
18d9cff4 | 7294 | struct nfs4_layoutget_res *res = data; |
b1f69b75 AA |
7295 | struct compound_hdr hdr; |
7296 | int status; | |
7297 | ||
bf269551 | 7298 | status = decode_compound_hdr(xdr, &hdr); |
b1f69b75 AA |
7299 | if (status) |
7300 | goto out; | |
bf269551 | 7301 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
b1f69b75 AA |
7302 | if (status) |
7303 | goto out; | |
bf269551 | 7304 | status = decode_putfh(xdr); |
b1f69b75 AA |
7305 | if (status) |
7306 | goto out; | |
bf269551 | 7307 | status = decode_layoutget(xdr, rqstp, res); |
b1f69b75 AA |
7308 | out: |
7309 | return status; | |
7310 | } | |
863a3c6c | 7311 | |
cbe82603 BH |
7312 | /* |
7313 | * Decode LAYOUTRETURN response | |
7314 | */ | |
7315 | static int nfs4_xdr_dec_layoutreturn(struct rpc_rqst *rqstp, | |
7316 | struct xdr_stream *xdr, | |
18d9cff4 | 7317 | void *data) |
cbe82603 | 7318 | { |
18d9cff4 | 7319 | struct nfs4_layoutreturn_res *res = data; |
cbe82603 BH |
7320 | struct compound_hdr hdr; |
7321 | int status; | |
7322 | ||
7323 | status = decode_compound_hdr(xdr, &hdr); | |
7324 | if (status) | |
7325 | goto out; | |
7326 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7327 | if (status) | |
7328 | goto out; | |
7329 | status = decode_putfh(xdr); | |
7330 | if (status) | |
7331 | goto out; | |
7332 | status = decode_layoutreturn(xdr, res); | |
7333 | out: | |
7334 | return status; | |
7335 | } | |
7336 | ||
863a3c6c AA |
7337 | /* |
7338 | * Decode LAYOUTCOMMIT response | |
7339 | */ | |
7340 | static int nfs4_xdr_dec_layoutcommit(struct rpc_rqst *rqstp, | |
7341 | struct xdr_stream *xdr, | |
18d9cff4 | 7342 | void *data) |
863a3c6c | 7343 | { |
18d9cff4 | 7344 | struct nfs4_layoutcommit_res *res = data; |
863a3c6c AA |
7345 | struct compound_hdr hdr; |
7346 | int status; | |
7347 | ||
7348 | status = decode_compound_hdr(xdr, &hdr); | |
7349 | if (status) | |
7350 | goto out; | |
7351 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7352 | if (status) | |
7353 | goto out; | |
7354 | status = decode_putfh(xdr); | |
7355 | if (status) | |
7356 | goto out; | |
7357 | status = decode_layoutcommit(xdr, rqstp, res); | |
7358 | if (status) | |
7359 | goto out; | |
6926afd1 | 7360 | decode_getfattr(xdr, res->fattr, res->server); |
863a3c6c AA |
7361 | out: |
7362 | return status; | |
7363 | } | |
fca78d6d BS |
7364 | |
7365 | /* | |
7366 | * Decode SECINFO_NO_NAME response | |
7367 | */ | |
7368 | static int nfs4_xdr_dec_secinfo_no_name(struct rpc_rqst *rqstp, | |
7369 | struct xdr_stream *xdr, | |
18d9cff4 | 7370 | void *data) |
fca78d6d | 7371 | { |
18d9cff4 | 7372 | struct nfs4_secinfo_res *res = data; |
fca78d6d BS |
7373 | struct compound_hdr hdr; |
7374 | int status; | |
7375 | ||
7376 | status = decode_compound_hdr(xdr, &hdr); | |
7377 | if (status) | |
7378 | goto out; | |
7379 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7380 | if (status) | |
7381 | goto out; | |
7382 | status = decode_putrootfh(xdr); | |
7383 | if (status) | |
7384 | goto out; | |
31e4dda4 | 7385 | status = decode_secinfo_no_name(xdr, res); |
fca78d6d BS |
7386 | out: |
7387 | return status; | |
7388 | } | |
7d974794 BS |
7389 | |
7390 | /* | |
7391 | * Decode TEST_STATEID response | |
7392 | */ | |
7393 | static int nfs4_xdr_dec_test_stateid(struct rpc_rqst *rqstp, | |
7394 | struct xdr_stream *xdr, | |
18d9cff4 | 7395 | void *data) |
7d974794 | 7396 | { |
18d9cff4 | 7397 | struct nfs41_test_stateid_res *res = data; |
7d974794 BS |
7398 | struct compound_hdr hdr; |
7399 | int status; | |
7400 | ||
7401 | status = decode_compound_hdr(xdr, &hdr); | |
7402 | if (status) | |
7403 | goto out; | |
7404 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7405 | if (status) | |
7406 | goto out; | |
7407 | status = decode_test_stateid(xdr, res); | |
7408 | out: | |
7409 | return status; | |
7410 | } | |
9aeda35f BS |
7411 | |
7412 | /* | |
7413 | * Decode FREE_STATEID response | |
7414 | */ | |
7415 | static int nfs4_xdr_dec_free_stateid(struct rpc_rqst *rqstp, | |
7416 | struct xdr_stream *xdr, | |
18d9cff4 | 7417 | void *data) |
9aeda35f | 7418 | { |
18d9cff4 | 7419 | struct nfs41_free_stateid_res *res = data; |
9aeda35f BS |
7420 | struct compound_hdr hdr; |
7421 | int status; | |
7422 | ||
7423 | status = decode_compound_hdr(xdr, &hdr); | |
7424 | if (status) | |
7425 | goto out; | |
7426 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7427 | if (status) | |
7428 | goto out; | |
7429 | status = decode_free_stateid(xdr, res); | |
7430 | out: | |
7431 | return status; | |
7432 | } | |
99fe60d0 BH |
7433 | #endif /* CONFIG_NFS_V4_1 */ |
7434 | ||
573c4e1e CL |
7435 | /** |
7436 | * nfs4_decode_dirent - Decode a single NFSv4 directory entry stored in | |
7437 | * the local page cache. | |
7438 | * @xdr: XDR stream where entry resides | |
7439 | * @entry: buffer to fill in with entry data | |
7440 | * @plus: boolean indicating whether this should be a readdirplus entry | |
7441 | * | |
7442 | * Returns zero if successful, otherwise a negative errno value is | |
7443 | * returned. | |
7444 | * | |
7445 | * This function is not invoked during READDIR reply decoding, but | |
7446 | * rather whenever an application invokes the getdents(2) system call | |
7447 | * on a directory already in our cache. | |
7448 | */ | |
7449 | int nfs4_decode_dirent(struct xdr_stream *xdr, struct nfs_entry *entry, | |
7450 | int plus) | |
1da177e4 | 7451 | { |
256e48bb | 7452 | unsigned int savep; |
dae100c2 | 7453 | uint32_t bitmap[3] = {0}; |
1da177e4 | 7454 | uint32_t len; |
babddc72 BS |
7455 | __be32 *p = xdr_inline_decode(xdr, 4); |
7456 | if (unlikely(!p)) | |
7457 | goto out_overflow; | |
c08e76d0 | 7458 | if (*p == xdr_zero) { |
babddc72 BS |
7459 | p = xdr_inline_decode(xdr, 4); |
7460 | if (unlikely(!p)) | |
7461 | goto out_overflow; | |
c08e76d0 | 7462 | if (*p == xdr_zero) |
573c4e1e | 7463 | return -EAGAIN; |
1da177e4 | 7464 | entry->eof = 1; |
573c4e1e | 7465 | return -EBADCOOKIE; |
1da177e4 LT |
7466 | } |
7467 | ||
babddc72 BS |
7468 | p = xdr_inline_decode(xdr, 12); |
7469 | if (unlikely(!p)) | |
7470 | goto out_overflow; | |
1da177e4 LT |
7471 | entry->prev_cookie = entry->cookie; |
7472 | p = xdr_decode_hyper(p, &entry->cookie); | |
c08e76d0 | 7473 | entry->len = be32_to_cpup(p); |
babddc72 | 7474 | |
9af8c222 | 7475 | p = xdr_inline_decode(xdr, entry->len); |
babddc72 BS |
7476 | if (unlikely(!p)) |
7477 | goto out_overflow; | |
1da177e4 | 7478 | entry->name = (const char *) p; |
1da177e4 LT |
7479 | |
7480 | /* | |
7481 | * In case the server doesn't return an inode number, | |
7482 | * we fake one here. (We don't use inode number 0, | |
7483 | * since glibc seems to choke on it...) | |
7484 | */ | |
7485 | entry->ino = 1; | |
4f082222 | 7486 | entry->fattr->valid = 0; |
1da177e4 | 7487 | |
9af8c222 TM |
7488 | if (decode_attr_bitmap(xdr, bitmap) < 0) |
7489 | goto out_overflow; | |
7490 | ||
256e48bb | 7491 | if (decode_attr_length(xdr, &len, &savep) < 0) |
9af8c222 TM |
7492 | goto out_overflow; |
7493 | ||
573c4e1e | 7494 | if (decode_getfattr_attrs(xdr, bitmap, entry->fattr, entry->fh, |
aa9c2669 | 7495 | NULL, entry->label, entry->server) < 0) |
9af8c222 | 7496 | goto out_overflow; |
28331a46 TM |
7497 | if (entry->fattr->valid & NFS_ATTR_FATTR_MOUNTED_ON_FILEID) |
7498 | entry->ino = entry->fattr->mounted_on_fileid; | |
7499 | else if (entry->fattr->valid & NFS_ATTR_FATTR_FILEID) | |
9af8c222 TM |
7500 | entry->ino = entry->fattr->fileid; |
7501 | ||
0b26a0bf TM |
7502 | entry->d_type = DT_UNKNOWN; |
7503 | if (entry->fattr->valid & NFS_ATTR_FATTR_TYPE) | |
7504 | entry->d_type = nfs_umode_to_dtype(entry->fattr->mode); | |
7505 | ||
573c4e1e | 7506 | return 0; |
babddc72 BS |
7507 | |
7508 | out_overflow: | |
7509 | print_overflow_msg(__func__, xdr); | |
573c4e1e | 7510 | return -EAGAIN; |
1da177e4 LT |
7511 | } |
7512 | ||
7513 | /* | |
7514 | * We need to translate between nfs status return values and | |
7515 | * the local errno values which may not be the same. | |
7516 | */ | |
7517 | static struct { | |
7518 | int stat; | |
7519 | int errno; | |
7520 | } nfs_errtbl[] = { | |
7521 | { NFS4_OK, 0 }, | |
856dff3d BH |
7522 | { NFS4ERR_PERM, -EPERM }, |
7523 | { NFS4ERR_NOENT, -ENOENT }, | |
7524 | { NFS4ERR_IO, -errno_NFSERR_IO}, | |
7525 | { NFS4ERR_NXIO, -ENXIO }, | |
7526 | { NFS4ERR_ACCESS, -EACCES }, | |
7527 | { NFS4ERR_EXIST, -EEXIST }, | |
7528 | { NFS4ERR_XDEV, -EXDEV }, | |
7529 | { NFS4ERR_NOTDIR, -ENOTDIR }, | |
7530 | { NFS4ERR_ISDIR, -EISDIR }, | |
7531 | { NFS4ERR_INVAL, -EINVAL }, | |
7532 | { NFS4ERR_FBIG, -EFBIG }, | |
7533 | { NFS4ERR_NOSPC, -ENOSPC }, | |
7534 | { NFS4ERR_ROFS, -EROFS }, | |
7535 | { NFS4ERR_MLINK, -EMLINK }, | |
7536 | { NFS4ERR_NAMETOOLONG, -ENAMETOOLONG }, | |
7537 | { NFS4ERR_NOTEMPTY, -ENOTEMPTY }, | |
7538 | { NFS4ERR_DQUOT, -EDQUOT }, | |
7539 | { NFS4ERR_STALE, -ESTALE }, | |
7540 | { NFS4ERR_BADHANDLE, -EBADHANDLE }, | |
856dff3d BH |
7541 | { NFS4ERR_BAD_COOKIE, -EBADCOOKIE }, |
7542 | { NFS4ERR_NOTSUPP, -ENOTSUPP }, | |
7543 | { NFS4ERR_TOOSMALL, -ETOOSMALL }, | |
fdcb4577 | 7544 | { NFS4ERR_SERVERFAULT, -EREMOTEIO }, |
856dff3d BH |
7545 | { NFS4ERR_BADTYPE, -EBADTYPE }, |
7546 | { NFS4ERR_LOCKED, -EAGAIN }, | |
856dff3d BH |
7547 | { NFS4ERR_SYMLINK, -ELOOP }, |
7548 | { NFS4ERR_OP_ILLEGAL, -EOPNOTSUPP }, | |
7549 | { NFS4ERR_DEADLOCK, -EDEADLK }, | |
856dff3d | 7550 | { -1, -EIO } |
1da177e4 LT |
7551 | }; |
7552 | ||
7553 | /* | |
7554 | * Convert an NFS error code to a local one. | |
7555 | * This one is used jointly by NFSv2 and NFSv3. | |
7556 | */ | |
7557 | static int | |
0a8ea437 | 7558 | nfs4_stat_to_errno(int stat) |
1da177e4 LT |
7559 | { |
7560 | int i; | |
7561 | for (i = 0; nfs_errtbl[i].stat != -1; i++) { | |
7562 | if (nfs_errtbl[i].stat == stat) | |
7563 | return nfs_errtbl[i].errno; | |
7564 | } | |
7565 | if (stat <= 10000 || stat > 10100) { | |
7566 | /* The server is looney tunes. */ | |
fdcb4577 | 7567 | return -EREMOTEIO; |
1da177e4 LT |
7568 | } |
7569 | /* If we cannot translate the error, the recovery routines should | |
7570 | * handle it. | |
7571 | * Note: remaining NFSv4 error codes have values > 10000, so should | |
7572 | * not conflict with native Linux error codes. | |
7573 | */ | |
856dff3d | 7574 | return -stat; |
1da177e4 LT |
7575 | } |
7576 | ||
1c6dcbe5 AS |
7577 | #ifdef CONFIG_NFS_V4_2 |
7578 | #include "nfs42xdr.c" | |
7579 | #endif /* CONFIG_NFS_V4_2 */ | |
7580 | ||
1da177e4 LT |
7581 | #define PROC(proc, argtype, restype) \ |
7582 | [NFSPROC4_CLNT_##proc] = { \ | |
7583 | .p_proc = NFSPROC4_COMPOUND, \ | |
0096d39b | 7584 | .p_encode = nfs4_xdr_##argtype, \ |
18d9cff4 | 7585 | .p_decode = nfs4_xdr_##restype, \ |
2bea90d4 CL |
7586 | .p_arglen = NFS4_##argtype##_sz, \ |
7587 | .p_replen = NFS4_##restype##_sz, \ | |
cc0175c1 CL |
7588 | .p_statidx = NFSPROC4_CLNT_##proc, \ |
7589 | .p_name = #proc, \ | |
05d564fe | 7590 | } |
1da177e4 | 7591 | |
7c61f0d3 AS |
7592 | #define STUB(proc) \ |
7593 | [NFSPROC4_CLNT_##proc] = { \ | |
7594 | .p_name = #proc, \ | |
7595 | } | |
7596 | ||
499b4988 | 7597 | const struct rpc_procinfo nfs4_procedures[] = { |
7d93bd71 CL |
7598 | PROC(READ, enc_read, dec_read), |
7599 | PROC(WRITE, enc_write, dec_write), | |
7600 | PROC(COMMIT, enc_commit, dec_commit), | |
7601 | PROC(OPEN, enc_open, dec_open), | |
7602 | PROC(OPEN_CONFIRM, enc_open_confirm, dec_open_confirm), | |
7603 | PROC(OPEN_NOATTR, enc_open_noattr, dec_open_noattr), | |
7604 | PROC(OPEN_DOWNGRADE, enc_open_downgrade, dec_open_downgrade), | |
7605 | PROC(CLOSE, enc_close, dec_close), | |
7606 | PROC(SETATTR, enc_setattr, dec_setattr), | |
7607 | PROC(FSINFO, enc_fsinfo, dec_fsinfo), | |
7608 | PROC(RENEW, enc_renew, dec_renew), | |
7609 | PROC(SETCLIENTID, enc_setclientid, dec_setclientid), | |
7610 | PROC(SETCLIENTID_CONFIRM, enc_setclientid_confirm, dec_setclientid_confirm), | |
7611 | PROC(LOCK, enc_lock, dec_lock), | |
7612 | PROC(LOCKT, enc_lockt, dec_lockt), | |
7613 | PROC(LOCKU, enc_locku, dec_locku), | |
7614 | PROC(ACCESS, enc_access, dec_access), | |
7615 | PROC(GETATTR, enc_getattr, dec_getattr), | |
7616 | PROC(LOOKUP, enc_lookup, dec_lookup), | |
7617 | PROC(LOOKUP_ROOT, enc_lookup_root, dec_lookup_root), | |
7618 | PROC(REMOVE, enc_remove, dec_remove), | |
7619 | PROC(RENAME, enc_rename, dec_rename), | |
7620 | PROC(LINK, enc_link, dec_link), | |
7621 | PROC(SYMLINK, enc_symlink, dec_symlink), | |
7622 | PROC(CREATE, enc_create, dec_create), | |
7623 | PROC(PATHCONF, enc_pathconf, dec_pathconf), | |
7624 | PROC(STATFS, enc_statfs, dec_statfs), | |
7625 | PROC(READLINK, enc_readlink, dec_readlink), | |
7626 | PROC(READDIR, enc_readdir, dec_readdir), | |
7627 | PROC(SERVER_CAPS, enc_server_caps, dec_server_caps), | |
7628 | PROC(DELEGRETURN, enc_delegreturn, dec_delegreturn), | |
7629 | PROC(GETACL, enc_getacl, dec_getacl), | |
7630 | PROC(SETACL, enc_setacl, dec_setacl), | |
7631 | PROC(FS_LOCATIONS, enc_fs_locations, dec_fs_locations), | |
7632 | PROC(RELEASE_LOCKOWNER, enc_release_lockowner, dec_release_lockowner), | |
5a5ea0d4 | 7633 | PROC(SECINFO, enc_secinfo, dec_secinfo), |
44c99933 | 7634 | PROC(FSID_PRESENT, enc_fsid_present, dec_fsid_present), |
99fe60d0 | 7635 | #if defined(CONFIG_NFS_V4_1) |
7d93bd71 CL |
7636 | PROC(EXCHANGE_ID, enc_exchange_id, dec_exchange_id), |
7637 | PROC(CREATE_SESSION, enc_create_session, dec_create_session), | |
7638 | PROC(DESTROY_SESSION, enc_destroy_session, dec_destroy_session), | |
7639 | PROC(SEQUENCE, enc_sequence, dec_sequence), | |
7640 | PROC(GET_LEASE_TIME, enc_get_lease_time, dec_get_lease_time), | |
7641 | PROC(RECLAIM_COMPLETE, enc_reclaim_complete, dec_reclaim_complete), | |
7642 | PROC(GETDEVICEINFO, enc_getdeviceinfo, dec_getdeviceinfo), | |
7643 | PROC(LAYOUTGET, enc_layoutget, dec_layoutget), | |
863a3c6c | 7644 | PROC(LAYOUTCOMMIT, enc_layoutcommit, dec_layoutcommit), |
cbe82603 | 7645 | PROC(LAYOUTRETURN, enc_layoutreturn, dec_layoutreturn), |
fca78d6d | 7646 | PROC(SECINFO_NO_NAME, enc_secinfo_no_name, dec_secinfo_no_name), |
7d974794 | 7647 | PROC(TEST_STATEID, enc_test_stateid, dec_test_stateid), |
9aeda35f | 7648 | PROC(FREE_STATEID, enc_free_stateid, dec_free_stateid), |
7c61f0d3 | 7649 | STUB(GETDEVICELIST), |
ad24ecfb TM |
7650 | PROC(BIND_CONN_TO_SESSION, |
7651 | enc_bind_conn_to_session, dec_bind_conn_to_session), | |
66245539 | 7652 | PROC(DESTROY_CLIENTID, enc_destroy_clientid, dec_destroy_clientid), |
99fe60d0 | 7653 | #endif /* CONFIG_NFS_V4_1 */ |
1c6dcbe5 AS |
7654 | #ifdef CONFIG_NFS_V4_2 |
7655 | PROC(SEEK, enc_seek, dec_seek), | |
f4ac1674 | 7656 | PROC(ALLOCATE, enc_allocate, dec_allocate), |
624bd5b7 | 7657 | PROC(DEALLOCATE, enc_deallocate, dec_deallocate), |
be3a5d23 | 7658 | PROC(LAYOUTSTATS, enc_layoutstats, dec_layoutstats), |
36022770 | 7659 | PROC(CLONE, enc_clone, dec_clone), |
2e72448b | 7660 | PROC(COPY, enc_copy, dec_copy), |
1c6dcbe5 | 7661 | #endif /* CONFIG_NFS_V4_2 */ |
1da177e4 LT |
7662 | }; |
7663 | ||
1c5876dd | 7664 | static unsigned int nfs_version4_counts[ARRAY_SIZE(nfs4_procedures)]; |
a613fa16 | 7665 | const struct rpc_version nfs_version4 = { |
1da177e4 | 7666 | .number = 4, |
e8c96f8c | 7667 | .nrprocs = ARRAY_SIZE(nfs4_procedures), |
1c5876dd CH |
7668 | .procs = nfs4_procedures, |
7669 | .counts = nfs_version4_counts, | |
1da177e4 LT |
7670 | }; |
7671 | ||
7672 | /* | |
7673 | * Local variables: | |
7674 | * c-basic-offset: 8 | |
7675 | * End: | |
7676 | */ |