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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, | |
5334c5bd | 1003 | const struct nfs_server *server, |
dff25ddb | 1004 | bool excl_check, const umode_t *umask) |
1da177e4 LT |
1005 | { |
1006 | char owner_name[IDMAP_NAMESZ]; | |
1007 | char owner_group[IDMAP_NAMESZ]; | |
1008 | int owner_namelen = 0; | |
1009 | int owner_grouplen = 0; | |
8687b63a | 1010 | __be32 *p; |
d7067b2d TM |
1011 | unsigned i; |
1012 | uint32_t len = 0; | |
1013 | uint32_t bmval_len; | |
1014 | uint32_t bmval[3] = { 0 }; | |
1da177e4 LT |
1015 | |
1016 | /* | |
1017 | * We reserve enough space to write the entire attribute buffer at once. | |
1da177e4 | 1018 | */ |
d7067b2d TM |
1019 | if (iap->ia_valid & ATTR_SIZE) { |
1020 | bmval[0] |= FATTR4_WORD0_SIZE; | |
1da177e4 | 1021 | len += 8; |
d7067b2d | 1022 | } |
dff25ddb AG |
1023 | if (!(server->attr_bitmask[2] & FATTR4_WORD2_MODE_UMASK)) |
1024 | umask = NULL; | |
d7067b2d | 1025 | if (iap->ia_valid & ATTR_MODE) { |
dff25ddb AG |
1026 | if (umask) { |
1027 | bmval[2] |= FATTR4_WORD2_MODE_UMASK; | |
1028 | len += 8; | |
1029 | } else { | |
1030 | bmval[1] |= FATTR4_WORD1_MODE; | |
1031 | len += 4; | |
1032 | } | |
d7067b2d | 1033 | } |
1da177e4 | 1034 | if (iap->ia_valid & ATTR_UID) { |
e4fd72a1 | 1035 | owner_namelen = nfs_map_uid_to_name(server, iap->ia_uid, owner_name, IDMAP_NAMESZ); |
1da177e4 | 1036 | if (owner_namelen < 0) { |
fe82a183 | 1037 | dprintk("nfs: couldn't resolve uid %d to string\n", |
e5782076 | 1038 | from_kuid(&init_user_ns, iap->ia_uid)); |
1da177e4 LT |
1039 | /* XXX */ |
1040 | strcpy(owner_name, "nobody"); | |
1041 | owner_namelen = sizeof("nobody") - 1; | |
1042 | /* goto out; */ | |
1043 | } | |
d7067b2d | 1044 | bmval[1] |= FATTR4_WORD1_OWNER; |
1da177e4 LT |
1045 | len += 4 + (XDR_QUADLEN(owner_namelen) << 2); |
1046 | } | |
1047 | if (iap->ia_valid & ATTR_GID) { | |
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 | } | |
d7067b2d TM |
1059 | if (iap->ia_valid & ATTR_ATIME_SET) { |
1060 | bmval[1] |= FATTR4_WORD1_TIME_ACCESS_SET; | |
1da177e4 | 1061 | len += 16; |
d7067b2d TM |
1062 | } else if (iap->ia_valid & ATTR_ATIME) { |
1063 | bmval[1] |= FATTR4_WORD1_TIME_ACCESS_SET; | |
1da177e4 | 1064 | len += 4; |
d7067b2d TM |
1065 | } |
1066 | if (iap->ia_valid & ATTR_MTIME_SET) { | |
1067 | bmval[1] |= FATTR4_WORD1_TIME_MODIFY_SET; | |
1da177e4 | 1068 | len += 16; |
d7067b2d TM |
1069 | } else if (iap->ia_valid & ATTR_MTIME) { |
1070 | bmval[1] |= FATTR4_WORD1_TIME_MODIFY_SET; | |
1da177e4 | 1071 | len += 4; |
d7067b2d | 1072 | } |
5334c5bd KM |
1073 | |
1074 | if (excl_check) { | |
1075 | const u32 *excl_bmval = server->exclcreat_bitmask; | |
1076 | bmval[0] &= excl_bmval[0]; | |
1077 | bmval[1] &= excl_bmval[1]; | |
1078 | bmval[2] &= excl_bmval[2]; | |
1079 | ||
1080 | if (!(excl_bmval[2] & FATTR4_WORD2_SECURITY_LABEL)) | |
1081 | label = NULL; | |
1082 | } | |
1083 | ||
b4a2cf76 TM |
1084 | if (label) { |
1085 | len += 4 + 4 + 4 + (XDR_QUADLEN(label->len) << 2); | |
d7067b2d | 1086 | bmval[2] |= FATTR4_WORD2_SECURITY_LABEL; |
b4a2cf76 TM |
1087 | } |
1088 | ||
d7067b2d TM |
1089 | if (bmval[2] != 0) |
1090 | bmval_len = 3; | |
1091 | else if (bmval[1] != 0) | |
1092 | bmval_len = 2; | |
1093 | else | |
1094 | bmval_len = 1; | |
1095 | ||
1096 | p = reserve_space(xdr, 4 + (bmval_len << 2) + 4 + len); | |
1da177e4 | 1097 | |
b4a2cf76 | 1098 | *p++ = cpu_to_be32(bmval_len); |
d7067b2d TM |
1099 | for (i = 0; i < bmval_len; i++) |
1100 | *p++ = cpu_to_be32(bmval[i]); | |
1101 | *p++ = cpu_to_be32(len); | |
1da177e4 | 1102 | |
d7067b2d | 1103 | if (bmval[0] & FATTR4_WORD0_SIZE) |
b95be5a9 | 1104 | p = xdr_encode_hyper(p, iap->ia_size); |
d7067b2d | 1105 | if (bmval[1] & FATTR4_WORD1_MODE) |
e75bc1c8 | 1106 | *p++ = cpu_to_be32(iap->ia_mode & S_IALLUGO); |
d7067b2d | 1107 | if (bmval[1] & FATTR4_WORD1_OWNER) |
811652bd | 1108 | p = xdr_encode_opaque(p, owner_name, owner_namelen); |
d7067b2d | 1109 | if (bmval[1] & FATTR4_WORD1_OWNER_GROUP) |
811652bd | 1110 | p = xdr_encode_opaque(p, owner_group, owner_grouplen); |
d7067b2d TM |
1111 | if (bmval[1] & FATTR4_WORD1_TIME_ACCESS_SET) { |
1112 | if (iap->ia_valid & ATTR_ATIME_SET) { | |
1113 | *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); | |
1114 | p = xdr_encode_hyper(p, (s64)iap->ia_atime.tv_sec); | |
1115 | *p++ = cpu_to_be32(iap->ia_atime.tv_nsec); | |
1116 | } else | |
1117 | *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); | |
1da177e4 | 1118 | } |
d7067b2d TM |
1119 | if (bmval[1] & FATTR4_WORD1_TIME_MODIFY_SET) { |
1120 | if (iap->ia_valid & ATTR_MTIME_SET) { | |
1121 | *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); | |
1122 | p = xdr_encode_hyper(p, (s64)iap->ia_mtime.tv_sec); | |
1123 | *p++ = cpu_to_be32(iap->ia_mtime.tv_nsec); | |
1124 | } else | |
1125 | *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); | |
1da177e4 | 1126 | } |
d7067b2d | 1127 | if (bmval[2] & FATTR4_WORD2_SECURITY_LABEL) { |
aa9c2669 DQ |
1128 | *p++ = cpu_to_be32(label->lfs); |
1129 | *p++ = cpu_to_be32(label->pi); | |
1130 | *p++ = cpu_to_be32(label->len); | |
1131 | p = xdr_encode_opaque_fixed(p, label->label, label->len); | |
1132 | } | |
dff25ddb AG |
1133 | if (bmval[2] & FATTR4_WORD2_MODE_UMASK) { |
1134 | *p++ = cpu_to_be32(iap->ia_mode & S_IALLUGO); | |
1135 | *p++ = cpu_to_be32(*umask); | |
1136 | } | |
6c0195a4 | 1137 | |
1da177e4 | 1138 | /* out: */ |
1da177e4 LT |
1139 | } |
1140 | ||
cf8cdbe5 | 1141 | static void encode_access(struct xdr_stream *xdr, u32 access, struct compound_hdr *hdr) |
1da177e4 | 1142 | { |
475d4ba0 TM |
1143 | encode_op_hdr(xdr, OP_ACCESS, decode_access_maxsz, hdr); |
1144 | encode_uint32(xdr, access); | |
1da177e4 LT |
1145 | } |
1146 | ||
cf8cdbe5 | 1147 | static void encode_close(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1148 | { |
ab19b481 | 1149 | encode_op_hdr(xdr, OP_CLOSE, decode_close_maxsz, hdr); |
4ade9821 | 1150 | encode_nfs4_seqid(xdr, arg->seqid); |
566fcec6 | 1151 | encode_nfs4_stateid(xdr, &arg->stateid); |
1da177e4 LT |
1152 | } |
1153 | ||
0b7c0153 | 1154 | static void encode_commit(struct xdr_stream *xdr, const struct nfs_commitargs *args, struct compound_hdr *hdr) |
1da177e4 | 1155 | { |
8687b63a | 1156 | __be32 *p; |
6c0195a4 | 1157 | |
475d4ba0 TM |
1158 | encode_op_hdr(xdr, OP_COMMIT, decode_commit_maxsz, hdr); |
1159 | p = reserve_space(xdr, 12); | |
b95be5a9 | 1160 | p = xdr_encode_hyper(p, args->offset); |
34558513 | 1161 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1162 | } |
1163 | ||
cf8cdbe5 | 1164 | static void encode_create(struct xdr_stream *xdr, const struct nfs4_create_arg *create, struct compound_hdr *hdr) |
1da177e4 | 1165 | { |
8687b63a | 1166 | __be32 *p; |
6c0195a4 | 1167 | |
475d4ba0 TM |
1168 | encode_op_hdr(xdr, OP_CREATE, decode_create_maxsz, hdr); |
1169 | encode_uint32(xdr, create->ftype); | |
1da177e4 LT |
1170 | |
1171 | switch (create->ftype) { | |
1172 | case NF4LNK: | |
13c65ce9 | 1173 | p = reserve_space(xdr, 4); |
34558513 | 1174 | *p = cpu_to_be32(create->u.symlink.len); |
2fcc213a CL |
1175 | xdr_write_pages(xdr, create->u.symlink.pages, 0, |
1176 | create->u.symlink.len); | |
1177 | xdr->buf->flags |= XDRBUF_WRITE; | |
1da177e4 LT |
1178 | break; |
1179 | ||
1180 | case NF4BLK: case NF4CHR: | |
13c65ce9 | 1181 | p = reserve_space(xdr, 8); |
e75bc1c8 | 1182 | *p++ = cpu_to_be32(create->u.device.specdata1); |
34558513 | 1183 | *p = cpu_to_be32(create->u.device.specdata2); |
1da177e4 LT |
1184 | break; |
1185 | ||
1186 | default: | |
1187 | break; | |
1188 | } | |
1189 | ||
811652bd | 1190 | encode_string(xdr, create->name->len, create->name->name); |
dff25ddb AG |
1191 | encode_attrs(xdr, create->attrs, create->label, create->server, false, |
1192 | &create->umask); | |
1da177e4 LT |
1193 | } |
1194 | ||
cf8cdbe5 | 1195 | static void encode_getattr_one(struct xdr_stream *xdr, uint32_t bitmap, struct compound_hdr *hdr) |
1da177e4 | 1196 | { |
05d564fe | 1197 | __be32 *p; |
1da177e4 | 1198 | |
475d4ba0 TM |
1199 | encode_op_hdr(xdr, OP_GETATTR, decode_getattr_maxsz, hdr); |
1200 | p = reserve_space(xdr, 8); | |
e75bc1c8 | 1201 | *p++ = cpu_to_be32(1); |
34558513 | 1202 | *p = cpu_to_be32(bitmap); |
1da177e4 LT |
1203 | } |
1204 | ||
cf8cdbe5 | 1205 | static void encode_getattr_two(struct xdr_stream *xdr, uint32_t bm0, uint32_t bm1, struct compound_hdr *hdr) |
1da177e4 | 1206 | { |
05d564fe | 1207 | __be32 *p; |
1da177e4 | 1208 | |
475d4ba0 TM |
1209 | encode_op_hdr(xdr, OP_GETATTR, decode_getattr_maxsz, hdr); |
1210 | p = reserve_space(xdr, 12); | |
e75bc1c8 BH |
1211 | *p++ = cpu_to_be32(2); |
1212 | *p++ = cpu_to_be32(bm0); | |
34558513 | 1213 | *p = cpu_to_be32(bm1); |
1da177e4 LT |
1214 | } |
1215 | ||
dae100c2 FI |
1216 | static void |
1217 | encode_getattr_three(struct xdr_stream *xdr, | |
1218 | uint32_t bm0, uint32_t bm1, uint32_t bm2, | |
1219 | struct compound_hdr *hdr) | |
1220 | { | |
1221 | __be32 *p; | |
1222 | ||
ab19b481 | 1223 | encode_op_hdr(xdr, OP_GETATTR, decode_getattr_maxsz, hdr); |
dae100c2 FI |
1224 | if (bm2) { |
1225 | p = reserve_space(xdr, 16); | |
1226 | *p++ = cpu_to_be32(3); | |
1227 | *p++ = cpu_to_be32(bm0); | |
1228 | *p++ = cpu_to_be32(bm1); | |
1229 | *p = cpu_to_be32(bm2); | |
1230 | } else if (bm1) { | |
1231 | p = reserve_space(xdr, 12); | |
1232 | *p++ = cpu_to_be32(2); | |
1233 | *p++ = cpu_to_be32(bm0); | |
1234 | *p = cpu_to_be32(bm1); | |
1235 | } else { | |
1236 | p = reserve_space(xdr, 8); | |
1237 | *p++ = cpu_to_be32(1); | |
1238 | *p = cpu_to_be32(bm0); | |
1239 | } | |
dae100c2 FI |
1240 | } |
1241 | ||
cf8cdbe5 | 1242 | static void encode_getfattr(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
1da177e4 | 1243 | { |
a09df2ca DQ |
1244 | encode_getattr_three(xdr, bitmask[0] & nfs4_fattr_bitmap[0], |
1245 | bitmask[1] & nfs4_fattr_bitmap[1], | |
1246 | bitmask[2] & nfs4_fattr_bitmap[2], | |
1247 | hdr); | |
1da177e4 LT |
1248 | } |
1249 | ||
88034c3d | 1250 | static void encode_getfattr_open(struct xdr_stream *xdr, const u32 *bitmask, |
1549210f | 1251 | const u32 *open_bitmap, |
88034c3d AA |
1252 | struct compound_hdr *hdr) |
1253 | { | |
1254 | encode_getattr_three(xdr, | |
1549210f TM |
1255 | bitmask[0] & open_bitmap[0], |
1256 | bitmask[1] & open_bitmap[1], | |
1257 | bitmask[2] & open_bitmap[2], | |
88034c3d AA |
1258 | hdr); |
1259 | } | |
1260 | ||
cf8cdbe5 | 1261 | static void encode_fsinfo(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
1da177e4 | 1262 | { |
dae100c2 FI |
1263 | encode_getattr_three(xdr, |
1264 | bitmask[0] & nfs4_fsinfo_bitmap[0], | |
1265 | bitmask[1] & nfs4_fsinfo_bitmap[1], | |
1266 | bitmask[2] & nfs4_fsinfo_bitmap[2], | |
1267 | hdr); | |
1da177e4 LT |
1268 | } |
1269 | ||
cf8cdbe5 | 1270 | static void encode_fs_locations(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
830b8e33 | 1271 | { |
cf8cdbe5 AA |
1272 | encode_getattr_two(xdr, bitmask[0] & nfs4_fs_locations_bitmap[0], |
1273 | bitmask[1] & nfs4_fs_locations_bitmap[1], hdr); | |
830b8e33 MN |
1274 | } |
1275 | ||
cf8cdbe5 | 1276 | static void encode_getfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1277 | { |
ab19b481 | 1278 | encode_op_hdr(xdr, OP_GETFH, decode_getfh_maxsz, hdr); |
1da177e4 LT |
1279 | } |
1280 | ||
cf8cdbe5 | 1281 | static void encode_link(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1282 | { |
ab19b481 | 1283 | encode_op_hdr(xdr, OP_LINK, decode_link_maxsz, hdr); |
6fdfb0bc | 1284 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1285 | } |
1286 | ||
911d1aaf TM |
1287 | static inline int nfs4_lock_type(struct file_lock *fl, int block) |
1288 | { | |
f44106e2 | 1289 | if (fl->fl_type == F_RDLCK) |
911d1aaf TM |
1290 | return block ? NFS4_READW_LT : NFS4_READ_LT; |
1291 | return block ? NFS4_WRITEW_LT : NFS4_WRITE_LT; | |
1292 | } | |
1293 | ||
1294 | static inline uint64_t nfs4_lock_length(struct file_lock *fl) | |
1295 | { | |
1296 | if (fl->fl_end == OFFSET_MAX) | |
1297 | return ~(uint64_t)0; | |
1298 | return fl->fl_end - fl->fl_start + 1; | |
1299 | } | |
1300 | ||
daccbded TM |
1301 | static void encode_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner) |
1302 | { | |
1303 | __be32 *p; | |
1304 | ||
d035c36c | 1305 | p = reserve_space(xdr, 32); |
daccbded | 1306 | p = xdr_encode_hyper(p, lowner->clientid); |
d035c36c | 1307 | *p++ = cpu_to_be32(20); |
daccbded | 1308 | p = xdr_encode_opaque_fixed(p, "lock id:", 8); |
d035c36c | 1309 | *p++ = cpu_to_be32(lowner->s_dev); |
daccbded TM |
1310 | xdr_encode_hyper(p, lowner->id); |
1311 | } | |
1312 | ||
1da177e4 LT |
1313 | /* |
1314 | * opcode,type,reclaim,offset,length,new_lock_owner = 32 | |
1315 | * open_seqid,open_stateid,lock_seqid,lock_owner.clientid, lock_owner.id = 40 | |
1316 | */ | |
cf8cdbe5 | 1317 | static void encode_lock(struct xdr_stream *xdr, const struct nfs_lock_args *args, struct compound_hdr *hdr) |
1da177e4 | 1318 | { |
8687b63a | 1319 | __be32 *p; |
1da177e4 | 1320 | |
475d4ba0 TM |
1321 | encode_op_hdr(xdr, OP_LOCK, decode_lock_maxsz, hdr); |
1322 | p = reserve_space(xdr, 28); | |
e75bc1c8 BH |
1323 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, args->block)); |
1324 | *p++ = cpu_to_be32(args->reclaim); | |
b95be5a9 BH |
1325 | p = xdr_encode_hyper(p, args->fl->fl_start); |
1326 | p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); | |
34558513 | 1327 | *p = cpu_to_be32(args->new_lock_owner); |
911d1aaf | 1328 | if (args->new_lock_owner){ |
4ade9821 | 1329 | encode_nfs4_seqid(xdr, args->open_seqid); |
425c1d4e | 1330 | encode_nfs4_stateid(xdr, &args->open_stateid); |
4ade9821 | 1331 | encode_nfs4_seqid(xdr, args->lock_seqid); |
daccbded | 1332 | encode_lockowner(xdr, &args->lock_owner); |
1da177e4 LT |
1333 | } |
1334 | else { | |
425c1d4e | 1335 | encode_nfs4_stateid(xdr, &args->lock_stateid); |
4ade9821 | 1336 | encode_nfs4_seqid(xdr, args->lock_seqid); |
1da177e4 | 1337 | } |
1da177e4 LT |
1338 | } |
1339 | ||
cf8cdbe5 | 1340 | static void encode_lockt(struct xdr_stream *xdr, const struct nfs_lockt_args *args, struct compound_hdr *hdr) |
1da177e4 | 1341 | { |
8687b63a | 1342 | __be32 *p; |
1da177e4 | 1343 | |
475d4ba0 TM |
1344 | encode_op_hdr(xdr, OP_LOCKT, decode_lockt_maxsz, hdr); |
1345 | p = reserve_space(xdr, 20); | |
e75bc1c8 | 1346 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, 0)); |
b95be5a9 BH |
1347 | p = xdr_encode_hyper(p, args->fl->fl_start); |
1348 | p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); | |
daccbded | 1349 | encode_lockowner(xdr, &args->lock_owner); |
1da177e4 LT |
1350 | } |
1351 | ||
cf8cdbe5 | 1352 | static void encode_locku(struct xdr_stream *xdr, const struct nfs_locku_args *args, struct compound_hdr *hdr) |
1da177e4 | 1353 | { |
8687b63a | 1354 | __be32 *p; |
1da177e4 | 1355 | |
475d4ba0 TM |
1356 | encode_op_hdr(xdr, OP_LOCKU, decode_locku_maxsz, hdr); |
1357 | encode_uint32(xdr, nfs4_lock_type(args->fl, 0)); | |
4ade9821 | 1358 | encode_nfs4_seqid(xdr, args->seqid); |
425c1d4e | 1359 | encode_nfs4_stateid(xdr, &args->stateid); |
ea9d23f5 | 1360 | p = reserve_space(xdr, 16); |
b95be5a9 | 1361 | p = xdr_encode_hyper(p, args->fl->fl_start); |
34558513 | 1362 | xdr_encode_hyper(p, nfs4_lock_length(args->fl)); |
1da177e4 LT |
1363 | } |
1364 | ||
d3c7b7cc TM |
1365 | static void encode_release_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner, struct compound_hdr *hdr) |
1366 | { | |
ab19b481 | 1367 | encode_op_hdr(xdr, OP_RELEASE_LOCKOWNER, decode_release_lockowner_maxsz, hdr); |
d3c7b7cc | 1368 | encode_lockowner(xdr, lowner); |
d3c7b7cc TM |
1369 | } |
1370 | ||
cf8cdbe5 | 1371 | static void encode_lookup(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1372 | { |
ab19b481 | 1373 | encode_op_hdr(xdr, OP_LOOKUP, decode_lookup_maxsz, hdr); |
6fdfb0bc | 1374 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1375 | } |
1376 | ||
6ae37339 | 1377 | static void encode_share_access(struct xdr_stream *xdr, u32 share_access) |
1da177e4 | 1378 | { |
8687b63a | 1379 | __be32 *p; |
1da177e4 | 1380 | |
13c65ce9 | 1381 | p = reserve_space(xdr, 8); |
6ae37339 | 1382 | *p++ = cpu_to_be32(share_access); |
34558513 | 1383 | *p = cpu_to_be32(0); /* for linux, share_deny = 0 always */ |
1da177e4 LT |
1384 | } |
1385 | ||
1386 | static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1387 | { | |
8687b63a | 1388 | __be32 *p; |
1da177e4 LT |
1389 | /* |
1390 | * opcode 4, seqid 4, share_access 4, share_deny 4, clientid 8, ownerlen 4, | |
1391 | * owner 4 = 32 | |
1392 | */ | |
4ade9821 | 1393 | encode_nfs4_seqid(xdr, arg->seqid); |
6ae37339 | 1394 | encode_share_access(xdr, arg->share_access); |
95b72eb0 | 1395 | p = reserve_space(xdr, 36); |
b95be5a9 | 1396 | p = xdr_encode_hyper(p, arg->clientid); |
95b72eb0 | 1397 | *p++ = cpu_to_be32(24); |
93f0cf25 | 1398 | p = xdr_encode_opaque_fixed(p, "open id:", 8); |
d035c36c | 1399 | *p++ = cpu_to_be32(arg->server->s_dev); |
95b72eb0 TM |
1400 | *p++ = cpu_to_be32(arg->id.uniquifier); |
1401 | xdr_encode_hyper(p, arg->id.create_time); | |
1da177e4 LT |
1402 | } |
1403 | ||
1404 | static inline void encode_createmode(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1405 | { | |
8687b63a | 1406 | __be32 *p; |
1da177e4 | 1407 | |
13c65ce9 | 1408 | p = reserve_space(xdr, 4); |
549b19cc TM |
1409 | switch(arg->createmode) { |
1410 | case NFS4_CREATE_UNCHECKED: | |
34558513 | 1411 | *p = cpu_to_be32(NFS4_CREATE_UNCHECKED); |
dff25ddb AG |
1412 | encode_attrs(xdr, arg->u.attrs, arg->label, arg->server, false, |
1413 | &arg->umask); | |
05d564fe | 1414 | break; |
549b19cc TM |
1415 | case NFS4_CREATE_GUARDED: |
1416 | *p = cpu_to_be32(NFS4_CREATE_GUARDED); | |
dff25ddb AG |
1417 | encode_attrs(xdr, arg->u.attrs, arg->label, arg->server, false, |
1418 | &arg->umask); | |
549b19cc TM |
1419 | break; |
1420 | case NFS4_CREATE_EXCLUSIVE: | |
1421 | *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE); | |
1422 | encode_nfs4_verifier(xdr, &arg->u.verifier); | |
1423 | break; | |
1424 | case NFS4_CREATE_EXCLUSIVE4_1: | |
1425 | *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE4_1); | |
1426 | encode_nfs4_verifier(xdr, &arg->u.verifier); | |
dff25ddb AG |
1427 | encode_attrs(xdr, arg->u.attrs, arg->label, arg->server, true, |
1428 | &arg->umask); | |
1da177e4 LT |
1429 | } |
1430 | } | |
1431 | ||
1432 | static void encode_opentype(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1433 | { | |
8687b63a | 1434 | __be32 *p; |
1da177e4 | 1435 | |
13c65ce9 | 1436 | p = reserve_space(xdr, 4); |
1da177e4 | 1437 | switch (arg->open_flags & O_CREAT) { |
05d564fe | 1438 | case 0: |
34558513 | 1439 | *p = cpu_to_be32(NFS4_OPEN_NOCREATE); |
05d564fe AA |
1440 | break; |
1441 | default: | |
34558513 | 1442 | *p = cpu_to_be32(NFS4_OPEN_CREATE); |
05d564fe | 1443 | encode_createmode(xdr, arg); |
1da177e4 LT |
1444 | } |
1445 | } | |
1446 | ||
bd7bf9d5 | 1447 | static inline void encode_delegation_type(struct xdr_stream *xdr, fmode_t delegation_type) |
1da177e4 | 1448 | { |
8687b63a | 1449 | __be32 *p; |
1da177e4 | 1450 | |
13c65ce9 | 1451 | p = reserve_space(xdr, 4); |
1da177e4 | 1452 | switch (delegation_type) { |
05d564fe | 1453 | case 0: |
34558513 | 1454 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_NONE); |
05d564fe AA |
1455 | break; |
1456 | case FMODE_READ: | |
34558513 | 1457 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_READ); |
05d564fe AA |
1458 | break; |
1459 | case FMODE_WRITE|FMODE_READ: | |
34558513 | 1460 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_WRITE); |
05d564fe AA |
1461 | break; |
1462 | default: | |
1463 | BUG(); | |
1da177e4 LT |
1464 | } |
1465 | } | |
1466 | ||
1467 | static inline void encode_claim_null(struct xdr_stream *xdr, const struct qstr *name) | |
1468 | { | |
8687b63a | 1469 | __be32 *p; |
1da177e4 | 1470 | |
13c65ce9 | 1471 | p = reserve_space(xdr, 4); |
34558513 | 1472 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_NULL); |
1da177e4 LT |
1473 | encode_string(xdr, name->len, name->name); |
1474 | } | |
1475 | ||
bd7bf9d5 | 1476 | static inline void encode_claim_previous(struct xdr_stream *xdr, fmode_t type) |
1da177e4 | 1477 | { |
8687b63a | 1478 | __be32 *p; |
1da177e4 | 1479 | |
13c65ce9 | 1480 | p = reserve_space(xdr, 4); |
34558513 | 1481 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_PREVIOUS); |
1da177e4 LT |
1482 | encode_delegation_type(xdr, type); |
1483 | } | |
1484 | ||
1485 | static inline void encode_claim_delegate_cur(struct xdr_stream *xdr, const struct qstr *name, const nfs4_stateid *stateid) | |
1486 | { | |
8687b63a | 1487 | __be32 *p; |
1da177e4 | 1488 | |
ea9d23f5 TM |
1489 | p = reserve_space(xdr, 4); |
1490 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_DELEGATE_CUR); | |
1491 | encode_nfs4_stateid(xdr, stateid); | |
1da177e4 LT |
1492 | encode_string(xdr, name->len, name->name); |
1493 | } | |
1494 | ||
d9fc6619 TM |
1495 | static inline void encode_claim_fh(struct xdr_stream *xdr) |
1496 | { | |
1497 | __be32 *p; | |
1498 | ||
1499 | p = reserve_space(xdr, 4); | |
1500 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_FH); | |
1501 | } | |
1502 | ||
1503 | static inline void encode_claim_delegate_cur_fh(struct xdr_stream *xdr, const nfs4_stateid *stateid) | |
1504 | { | |
1505 | __be32 *p; | |
1506 | ||
1507 | p = reserve_space(xdr, 4); | |
1508 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_DELEG_CUR_FH); | |
1509 | encode_nfs4_stateid(xdr, stateid); | |
1510 | } | |
1511 | ||
cf8cdbe5 | 1512 | static void encode_open(struct xdr_stream *xdr, const struct nfs_openargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1513 | { |
ab19b481 | 1514 | encode_op_hdr(xdr, OP_OPEN, decode_open_maxsz, hdr); |
1da177e4 LT |
1515 | encode_openhdr(xdr, arg); |
1516 | encode_opentype(xdr, arg); | |
1517 | switch (arg->claim) { | |
05d564fe AA |
1518 | case NFS4_OPEN_CLAIM_NULL: |
1519 | encode_claim_null(xdr, arg->name); | |
1520 | break; | |
1521 | case NFS4_OPEN_CLAIM_PREVIOUS: | |
1522 | encode_claim_previous(xdr, arg->u.delegation_type); | |
1523 | break; | |
1524 | case NFS4_OPEN_CLAIM_DELEGATE_CUR: | |
1525 | encode_claim_delegate_cur(xdr, arg->name, &arg->u.delegation); | |
1526 | break; | |
d9fc6619 TM |
1527 | case NFS4_OPEN_CLAIM_FH: |
1528 | encode_claim_fh(xdr); | |
1529 | break; | |
1530 | case NFS4_OPEN_CLAIM_DELEG_CUR_FH: | |
1531 | encode_claim_delegate_cur_fh(xdr, &arg->u.delegation); | |
1532 | break; | |
05d564fe AA |
1533 | default: |
1534 | BUG(); | |
1da177e4 | 1535 | } |
1da177e4 LT |
1536 | } |
1537 | ||
cf8cdbe5 | 1538 | static void encode_open_confirm(struct xdr_stream *xdr, const struct nfs_open_confirmargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1539 | { |
ab19b481 | 1540 | encode_op_hdr(xdr, OP_OPEN_CONFIRM, decode_open_confirm_maxsz, hdr); |
ea9d23f5 | 1541 | encode_nfs4_stateid(xdr, arg->stateid); |
4ade9821 | 1542 | encode_nfs4_seqid(xdr, arg->seqid); |
1da177e4 LT |
1543 | } |
1544 | ||
cf8cdbe5 | 1545 | static void encode_open_downgrade(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1546 | { |
ab19b481 | 1547 | encode_op_hdr(xdr, OP_OPEN_DOWNGRADE, decode_open_downgrade_maxsz, hdr); |
566fcec6 | 1548 | encode_nfs4_stateid(xdr, &arg->stateid); |
4ade9821 | 1549 | encode_nfs4_seqid(xdr, arg->seqid); |
6ae37339 | 1550 | encode_share_access(xdr, arg->share_access); |
1da177e4 LT |
1551 | } |
1552 | ||
cf8cdbe5 | 1553 | static void |
d017931c | 1554 | encode_putfh(struct xdr_stream *xdr, const struct nfs_fh *fh, struct compound_hdr *hdr) |
1da177e4 | 1555 | { |
ab19b481 | 1556 | encode_op_hdr(xdr, OP_PUTFH, decode_putfh_maxsz, hdr); |
6fdfb0bc | 1557 | encode_string(xdr, fh->size, fh->data); |
1da177e4 LT |
1558 | } |
1559 | ||
cf8cdbe5 | 1560 | static void encode_putrootfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1561 | { |
ab19b481 | 1562 | encode_op_hdr(xdr, OP_PUTROOTFH, decode_putrootfh_maxsz, hdr); |
1da177e4 LT |
1563 | } |
1564 | ||
3c6b899c AS |
1565 | static void encode_read(struct xdr_stream *xdr, const struct nfs_pgio_args *args, |
1566 | struct compound_hdr *hdr) | |
1da177e4 | 1567 | { |
8687b63a | 1568 | __be32 *p; |
1da177e4 | 1569 | |
ab19b481 | 1570 | encode_op_hdr(xdr, OP_READ, decode_read_maxsz, hdr); |
9b206149 | 1571 | encode_nfs4_stateid(xdr, &args->stateid); |
1da177e4 | 1572 | |
13c65ce9 | 1573 | p = reserve_space(xdr, 12); |
b95be5a9 | 1574 | p = xdr_encode_hyper(p, args->offset); |
34558513 | 1575 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1576 | } |
1577 | ||
cf8cdbe5 | 1578 | static void encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg *readdir, struct rpc_rqst *req, struct compound_hdr *hdr) |
1da177e4 | 1579 | { |
aa9c2669 | 1580 | uint32_t attrs[3] = { |
28331a46 TM |
1581 | FATTR4_WORD0_RDATTR_ERROR, |
1582 | FATTR4_WORD1_MOUNTED_ON_FILEID, | |
1583 | }; | |
6f7a35bd | 1584 | uint32_t dircount = readdir->count >> 1; |
cd93710e | 1585 | __be32 *p, verf[2]; |
d204c5d2 TM |
1586 | uint32_t attrlen = 0; |
1587 | unsigned int i; | |
1da177e4 | 1588 | |
82f2e547 BS |
1589 | if (readdir->plus) { |
1590 | attrs[0] |= FATTR4_WORD0_TYPE|FATTR4_WORD0_CHANGE|FATTR4_WORD0_SIZE| | |
28331a46 | 1591 | FATTR4_WORD0_FSID|FATTR4_WORD0_FILEHANDLE|FATTR4_WORD0_FILEID; |
82f2e547 BS |
1592 | attrs[1] |= FATTR4_WORD1_MODE|FATTR4_WORD1_NUMLINKS|FATTR4_WORD1_OWNER| |
1593 | FATTR4_WORD1_OWNER_GROUP|FATTR4_WORD1_RAWDEV| | |
1594 | FATTR4_WORD1_SPACE_USED|FATTR4_WORD1_TIME_ACCESS| | |
1595 | FATTR4_WORD1_TIME_METADATA|FATTR4_WORD1_TIME_MODIFY; | |
d204c5d2 | 1596 | attrs[2] |= FATTR4_WORD2_SECURITY_LABEL; |
6f7a35bd | 1597 | dircount >>= 1; |
82f2e547 | 1598 | } |
28331a46 TM |
1599 | /* Use mounted_on_fileid only if the server supports it */ |
1600 | if (!(readdir->bitmask[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) | |
1601 | attrs[0] |= FATTR4_WORD0_FILEID; | |
d204c5d2 TM |
1602 | for (i = 0; i < ARRAY_SIZE(attrs); i++) { |
1603 | attrs[i] &= readdir->bitmask[i]; | |
1604 | if (attrs[i] != 0) | |
1605 | attrlen = i+1; | |
1606 | } | |
82f2e547 | 1607 | |
475d4ba0 | 1608 | encode_op_hdr(xdr, OP_READDIR, decode_readdir_maxsz, hdr); |
ff2eb681 | 1609 | encode_uint64(xdr, readdir->cookie); |
cd93710e | 1610 | encode_nfs4_verifier(xdr, &readdir->verifier); |
d204c5d2 | 1611 | p = reserve_space(xdr, 12 + (attrlen << 2)); |
6f7a35bd | 1612 | *p++ = cpu_to_be32(dircount); |
e75bc1c8 | 1613 | *p++ = cpu_to_be32(readdir->count); |
d204c5d2 TM |
1614 | *p++ = cpu_to_be32(attrlen); |
1615 | for (i = 0; i < attrlen; i++) | |
1616 | *p++ = cpu_to_be32(attrs[i]); | |
cd93710e | 1617 | memcpy(verf, readdir->verifier.data, sizeof(verf)); |
aa9c2669 DQ |
1618 | |
1619 | dprintk("%s: cookie = %llu, verifier = %08x:%08x, bitmap = %08x:%08x:%08x\n", | |
44109241 | 1620 | __func__, |
eadf4598 | 1621 | (unsigned long long)readdir->cookie, |
cd93710e | 1622 | verf[0], verf[1], |
eadf4598 | 1623 | attrs[0] & readdir->bitmask[0], |
aa9c2669 DQ |
1624 | attrs[1] & readdir->bitmask[1], |
1625 | attrs[2] & readdir->bitmask[2]); | |
1da177e4 LT |
1626 | } |
1627 | ||
cf8cdbe5 | 1628 | static void encode_readlink(struct xdr_stream *xdr, const struct nfs4_readlink *readlink, struct rpc_rqst *req, struct compound_hdr *hdr) |
1da177e4 | 1629 | { |
ab19b481 | 1630 | encode_op_hdr(xdr, OP_READLINK, decode_readlink_maxsz, hdr); |
1da177e4 LT |
1631 | } |
1632 | ||
cf8cdbe5 | 1633 | static void encode_remove(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1634 | { |
ab19b481 | 1635 | encode_op_hdr(xdr, OP_REMOVE, decode_remove_maxsz, hdr); |
6fdfb0bc | 1636 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1637 | } |
1638 | ||
cf8cdbe5 | 1639 | static void encode_rename(struct xdr_stream *xdr, const struct qstr *oldname, const struct qstr *newname, struct compound_hdr *hdr) |
1da177e4 | 1640 | { |
ab19b481 | 1641 | encode_op_hdr(xdr, OP_RENAME, decode_rename_maxsz, hdr); |
811652bd BH |
1642 | encode_string(xdr, oldname->len, oldname->name); |
1643 | encode_string(xdr, newname->len, newname->name); | |
1da177e4 LT |
1644 | } |
1645 | ||
bb4dae5e CL |
1646 | static void encode_renew(struct xdr_stream *xdr, clientid4 clid, |
1647 | struct compound_hdr *hdr) | |
1da177e4 | 1648 | { |
475d4ba0 | 1649 | encode_op_hdr(xdr, OP_RENEW, decode_renew_maxsz, hdr); |
ff2eb681 | 1650 | encode_uint64(xdr, clid); |
1da177e4 LT |
1651 | } |
1652 | ||
cf8cdbe5 | 1653 | static void |
d017931c | 1654 | encode_restorefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
56ae19f3 | 1655 | { |
ab19b481 | 1656 | encode_op_hdr(xdr, OP_RESTOREFH, decode_restorefh_maxsz, hdr); |
56ae19f3 TM |
1657 | } |
1658 | ||
9f06c719 | 1659 | static void |
d017931c | 1660 | encode_setacl(struct xdr_stream *xdr, struct nfs_setaclargs *arg, struct compound_hdr *hdr) |
23ec6965 | 1661 | { |
8687b63a | 1662 | __be32 *p; |
23ec6965 | 1663 | |
ab19b481 | 1664 | encode_op_hdr(xdr, OP_SETATTR, decode_setacl_maxsz, hdr); |
ea9d23f5 | 1665 | encode_nfs4_stateid(xdr, &zero_stateid); |
13c65ce9 | 1666 | p = reserve_space(xdr, 2*4); |
e75bc1c8 | 1667 | *p++ = cpu_to_be32(1); |
34558513 | 1668 | *p = cpu_to_be32(FATTR4_WORD0_ACL); |
13c65ce9 | 1669 | p = reserve_space(xdr, 4); |
34558513 | 1670 | *p = cpu_to_be32(arg->acl_len); |
8fbcf237 | 1671 | xdr_write_pages(xdr, arg->acl_pages, 0, arg->acl_len); |
23ec6965 BF |
1672 | } |
1673 | ||
cf8cdbe5 | 1674 | static void |
d017931c | 1675 | encode_savefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1676 | { |
ab19b481 | 1677 | encode_op_hdr(xdr, OP_SAVEFH, decode_savefh_maxsz, hdr); |
1da177e4 LT |
1678 | } |
1679 | ||
cf8cdbe5 | 1680 | static void encode_setattr(struct xdr_stream *xdr, const struct nfs_setattrargs *arg, const struct nfs_server *server, struct compound_hdr *hdr) |
1da177e4 | 1681 | { |
ab19b481 | 1682 | encode_op_hdr(xdr, OP_SETATTR, decode_setattr_maxsz, hdr); |
ea9d23f5 | 1683 | encode_nfs4_stateid(xdr, &arg->stateid); |
dff25ddb | 1684 | encode_attrs(xdr, arg->iap, arg->label, server, false, NULL); |
1da177e4 LT |
1685 | } |
1686 | ||
cf8cdbe5 | 1687 | static void encode_setclientid(struct xdr_stream *xdr, const struct nfs4_setclientid *setclientid, struct compound_hdr *hdr) |
1da177e4 | 1688 | { |
8687b63a | 1689 | __be32 *p; |
1da177e4 | 1690 | |
70019514 | 1691 | encode_op_hdr(xdr, OP_SETCLIENTID, decode_setclientid_maxsz, hdr); |
cd93710e | 1692 | encode_nfs4_verifier(xdr, setclientid->sc_verifier); |
1da177e4 | 1693 | |
3a6bb738 JL |
1694 | encode_string(xdr, strlen(setclientid->sc_clnt->cl_owner_id), |
1695 | setclientid->sc_clnt->cl_owner_id); | |
13c65ce9 | 1696 | p = reserve_space(xdr, 4); |
34558513 | 1697 | *p = cpu_to_be32(setclientid->sc_prog); |
1da177e4 LT |
1698 | encode_string(xdr, setclientid->sc_netid_len, setclientid->sc_netid); |
1699 | encode_string(xdr, setclientid->sc_uaddr_len, setclientid->sc_uaddr); | |
13c65ce9 | 1700 | p = reserve_space(xdr, 4); |
3a6bb738 | 1701 | *p = cpu_to_be32(setclientid->sc_clnt->cl_cb_ident); |
1da177e4 LT |
1702 | } |
1703 | ||
bb8b27e5 | 1704 | static void encode_setclientid_confirm(struct xdr_stream *xdr, const struct nfs4_setclientid_res *arg, struct compound_hdr *hdr) |
1da177e4 | 1705 | { |
475d4ba0 TM |
1706 | encode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM, |
1707 | decode_setclientid_confirm_maxsz, hdr); | |
ff2eb681 | 1708 | encode_uint64(xdr, arg->clientid); |
cd93710e | 1709 | encode_nfs4_verifier(xdr, &arg->confirm); |
1da177e4 LT |
1710 | } |
1711 | ||
3c6b899c AS |
1712 | static void encode_write(struct xdr_stream *xdr, const struct nfs_pgio_args *args, |
1713 | struct compound_hdr *hdr) | |
1da177e4 | 1714 | { |
8687b63a | 1715 | __be32 *p; |
1da177e4 | 1716 | |
ab19b481 | 1717 | encode_op_hdr(xdr, OP_WRITE, decode_write_maxsz, hdr); |
9b206149 | 1718 | encode_nfs4_stateid(xdr, &args->stateid); |
1da177e4 | 1719 | |
13c65ce9 | 1720 | p = reserve_space(xdr, 16); |
b95be5a9 | 1721 | p = xdr_encode_hyper(p, args->offset); |
e75bc1c8 | 1722 | *p++ = cpu_to_be32(args->stable); |
34558513 | 1723 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1724 | |
1725 | xdr_write_pages(xdr, args->pages, args->pgbase, args->count); | |
1da177e4 LT |
1726 | } |
1727 | ||
cf8cdbe5 | 1728 | static void encode_delegreturn(struct xdr_stream *xdr, const nfs4_stateid *stateid, struct compound_hdr *hdr) |
1da177e4 | 1729 | { |
ab19b481 | 1730 | encode_op_hdr(xdr, OP_DELEGRETURN, decode_delegreturn_maxsz, hdr); |
ea9d23f5 | 1731 | encode_nfs4_stateid(xdr, stateid); |
1da177e4 | 1732 | } |
9b7b9fcc | 1733 | |
5a5ea0d4 BS |
1734 | static void encode_secinfo(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1735 | { | |
ab19b481 | 1736 | encode_op_hdr(xdr, OP_SECINFO, decode_secinfo_maxsz, hdr); |
6fdfb0bc | 1737 | encode_string(xdr, name->len, name->name); |
5a5ea0d4 BS |
1738 | } |
1739 | ||
99fe60d0 | 1740 | #if defined(CONFIG_NFS_V4_1) |
9b7b9fcc | 1741 | /* NFSv4.1 operations */ |
7c44f1ae | 1742 | static void encode_bind_conn_to_session(struct xdr_stream *xdr, |
71a097c6 | 1743 | struct nfs41_bind_conn_to_session_args *args, |
7c44f1ae WAA |
1744 | struct compound_hdr *hdr) |
1745 | { | |
1746 | __be32 *p; | |
1747 | ||
1748 | encode_op_hdr(xdr, OP_BIND_CONN_TO_SESSION, | |
1749 | decode_bind_conn_to_session_maxsz, hdr); | |
71a097c6 | 1750 | encode_opaque_fixed(xdr, args->sessionid.data, NFS4_MAX_SESSIONID_LEN); |
7c44f1ae | 1751 | p = xdr_reserve_space(xdr, 8); |
71a097c6 TM |
1752 | *p++ = cpu_to_be32(args->dir); |
1753 | *p = (args->use_conn_in_rdma_mode) ? cpu_to_be32(1) : cpu_to_be32(0); | |
7c44f1ae WAA |
1754 | } |
1755 | ||
2031cd1a WAA |
1756 | static void encode_op_map(struct xdr_stream *xdr, struct nfs4_op_map *op_map) |
1757 | { | |
1758 | unsigned int i; | |
1759 | encode_uint32(xdr, NFS4_OP_MAP_NUM_WORDS); | |
1760 | for (i = 0; i < NFS4_OP_MAP_NUM_WORDS; i++) | |
1761 | encode_uint32(xdr, op_map->u.words[i]); | |
1762 | } | |
1763 | ||
99fe60d0 BH |
1764 | static void encode_exchange_id(struct xdr_stream *xdr, |
1765 | struct nfs41_exchange_id_args *args, | |
1766 | struct compound_hdr *hdr) | |
1767 | { | |
1768 | __be32 *p; | |
d751f748 | 1769 | char impl_name[IMPL_NAME_LIMIT]; |
db8ac8ba | 1770 | int len = 0; |
99fe60d0 | 1771 | |
70019514 | 1772 | encode_op_hdr(xdr, OP_EXCHANGE_ID, decode_exchange_id_maxsz, hdr); |
cd93710e | 1773 | encode_nfs4_verifier(xdr, args->verifier); |
99fe60d0 | 1774 | |
3a6bb738 JL |
1775 | encode_string(xdr, strlen(args->client->cl_owner_id), |
1776 | args->client->cl_owner_id); | |
99fe60d0 | 1777 | |
2031cd1a WAA |
1778 | encode_uint32(xdr, args->flags); |
1779 | encode_uint32(xdr, args->state_protect.how); | |
1780 | ||
1781 | switch (args->state_protect.how) { | |
1782 | case SP4_NONE: | |
1783 | break; | |
1784 | case SP4_MACH_CRED: | |
1785 | encode_op_map(xdr, &args->state_protect.enforce); | |
1786 | encode_op_map(xdr, &args->state_protect.allow); | |
1787 | break; | |
1788 | default: | |
1789 | WARN_ON_ONCE(1); | |
1790 | break; | |
1791 | } | |
db8ac8ba WAA |
1792 | |
1793 | if (send_implementation_id && | |
1794 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) > 1 && | |
1795 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) | |
d751f748 | 1796 | <= sizeof(impl_name) + 1) |
db8ac8ba WAA |
1797 | len = snprintf(impl_name, sizeof(impl_name), "%s %s %s %s", |
1798 | utsname()->sysname, utsname()->release, | |
1799 | utsname()->version, utsname()->machine); | |
1800 | ||
1801 | if (len > 0) { | |
2031cd1a | 1802 | encode_uint32(xdr, 1); /* implementation id array length=1 */ |
db8ac8ba WAA |
1803 | |
1804 | encode_string(xdr, | |
1805 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) - 1, | |
1806 | CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN); | |
1807 | encode_string(xdr, len, impl_name); | |
1808 | /* just send zeros for nii_date - the date is in nii_name */ | |
1809 | p = reserve_space(xdr, 12); | |
1810 | p = xdr_encode_hyper(p, 0); | |
1811 | *p = cpu_to_be32(0); | |
1812 | } else | |
2031cd1a | 1813 | encode_uint32(xdr, 0); /* implementation id array length=0 */ |
99fe60d0 | 1814 | } |
fc931582 AA |
1815 | |
1816 | static void encode_create_session(struct xdr_stream *xdr, | |
1817 | struct nfs41_create_session_args *args, | |
1818 | struct compound_hdr *hdr) | |
1819 | { | |
1820 | __be32 *p; | |
fc931582 | 1821 | struct nfs_client *clp = args->client; |
89f0ff38 | 1822 | struct rpc_clnt *clnt = clp->cl_rpcclient; |
f092075d | 1823 | struct nfs_net *nn = net_generic(clp->cl_net, nfs_net_id); |
8e0d46e1 MS |
1824 | u32 max_resp_sz_cached; |
1825 | ||
1826 | /* | |
1827 | * Assumes OPEN is the biggest non-idempotent compound. | |
1828 | * 2 is the verifier. | |
1829 | */ | |
1830 | max_resp_sz_cached = (NFS4_dec_open_sz + RPC_REPHDRSIZE + | |
1831 | RPC_MAX_AUTH_SIZE + 2) * XDR_UNIT; | |
fc931582 | 1832 | |
475d4ba0 | 1833 | encode_op_hdr(xdr, OP_CREATE_SESSION, decode_create_session_maxsz, hdr); |
89f0ff38 | 1834 | p = reserve_space(xdr, 16 + 2*28 + 20 + clnt->cl_nodelen + 12); |
79969dd1 TM |
1835 | p = xdr_encode_hyper(p, args->clientid); |
1836 | *p++ = cpu_to_be32(args->seqid); /*Sequence id */ | |
e75bc1c8 | 1837 | *p++ = cpu_to_be32(args->flags); /*flags */ |
fc931582 | 1838 | |
fc931582 | 1839 | /* Fore Channel */ |
c9c30dd5 | 1840 | *p++ = cpu_to_be32(0); /* header padding size */ |
e75bc1c8 BH |
1841 | *p++ = cpu_to_be32(args->fc_attrs.max_rqst_sz); /* max req size */ |
1842 | *p++ = cpu_to_be32(args->fc_attrs.max_resp_sz); /* max resp size */ | |
8e0d46e1 | 1843 | *p++ = cpu_to_be32(max_resp_sz_cached); /* Max resp sz cached */ |
e75bc1c8 BH |
1844 | *p++ = cpu_to_be32(args->fc_attrs.max_ops); /* max operations */ |
1845 | *p++ = cpu_to_be32(args->fc_attrs.max_reqs); /* max requests */ | |
1846 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ | |
fc931582 AA |
1847 | |
1848 | /* Back Channel */ | |
c9c30dd5 | 1849 | *p++ = cpu_to_be32(0); /* header padding size */ |
e75bc1c8 BH |
1850 | *p++ = cpu_to_be32(args->bc_attrs.max_rqst_sz); /* max req size */ |
1851 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz); /* max resp size */ | |
1852 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz_cached); /* Max resp sz cached */ | |
1853 | *p++ = cpu_to_be32(args->bc_attrs.max_ops); /* max operations */ | |
1854 | *p++ = cpu_to_be32(args->bc_attrs.max_reqs); /* max requests */ | |
1855 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ | |
fc931582 | 1856 | |
e75bc1c8 | 1857 | *p++ = cpu_to_be32(args->cb_program); /* cb_program */ |
e75bc1c8 | 1858 | *p++ = cpu_to_be32(1); |
e75bc1c8 | 1859 | *p++ = cpu_to_be32(RPC_AUTH_UNIX); /* auth_sys */ |
fc931582 AA |
1860 | |
1861 | /* authsys_parms rfc1831 */ | |
2f86e091 | 1862 | *p++ = cpu_to_be32(ktime_to_ns(nn->boot_time)); /* stamp */ |
89f0ff38 | 1863 | p = xdr_encode_array(p, clnt->cl_nodename, clnt->cl_nodelen); |
e75bc1c8 BH |
1864 | *p++ = cpu_to_be32(0); /* UID */ |
1865 | *p++ = cpu_to_be32(0); /* GID */ | |
34558513 | 1866 | *p = cpu_to_be32(0); /* No more gids */ |
fc931582 | 1867 | } |
0f3e66c6 AA |
1868 | |
1869 | static void encode_destroy_session(struct xdr_stream *xdr, | |
1870 | struct nfs4_session *session, | |
1871 | struct compound_hdr *hdr) | |
1872 | { | |
475d4ba0 TM |
1873 | encode_op_hdr(xdr, OP_DESTROY_SESSION, decode_destroy_session_maxsz, hdr); |
1874 | encode_opaque_fixed(xdr, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); | |
0f3e66c6 | 1875 | } |
18019753 | 1876 | |
66245539 TM |
1877 | static void encode_destroy_clientid(struct xdr_stream *xdr, |
1878 | uint64_t clientid, | |
1879 | struct compound_hdr *hdr) | |
1880 | { | |
1881 | encode_op_hdr(xdr, OP_DESTROY_CLIENTID, decode_destroy_clientid_maxsz, hdr); | |
1882 | encode_uint64(xdr, clientid); | |
1883 | } | |
1884 | ||
18019753 RL |
1885 | static void encode_reclaim_complete(struct xdr_stream *xdr, |
1886 | struct nfs41_reclaim_complete_args *args, | |
1887 | struct compound_hdr *hdr) | |
1888 | { | |
475d4ba0 TM |
1889 | encode_op_hdr(xdr, OP_RECLAIM_COMPLETE, decode_reclaim_complete_maxsz, hdr); |
1890 | encode_uint32(xdr, args->one_fs); | |
18019753 | 1891 | } |
99fe60d0 BH |
1892 | #endif /* CONFIG_NFS_V4_1 */ |
1893 | ||
9b7b9fcc AA |
1894 | static void encode_sequence(struct xdr_stream *xdr, |
1895 | const struct nfs4_sequence_args *args, | |
1896 | struct compound_hdr *hdr) | |
1897 | { | |
1898 | #if defined(CONFIG_NFS_V4_1) | |
2b2fa717 | 1899 | struct nfs4_session *session; |
fc01cea9 | 1900 | struct nfs4_slot_table *tp; |
2b2fa717 | 1901 | struct nfs4_slot *slot = args->sa_slot; |
fc01cea9 | 1902 | __be32 *p; |
9b7b9fcc | 1903 | |
2b2fa717 TM |
1904 | tp = slot->table; |
1905 | session = tp->session; | |
3bd2384a CL |
1906 | if (!session) |
1907 | return; | |
fc01cea9 | 1908 | |
475d4ba0 | 1909 | encode_op_hdr(xdr, OP_SEQUENCE, decode_sequence_maxsz, hdr); |
fc01cea9 AA |
1910 | |
1911 | /* | |
1912 | * Sessionid + seqid + slotid + max slotid + cache_this | |
1913 | */ | |
1914 | dprintk("%s: sessionid=%u:%u:%u:%u seqid=%d slotid=%d " | |
1915 | "max_slotid=%d cache_this=%d\n", | |
1916 | __func__, | |
1917 | ((u32 *)session->sess_id.data)[0], | |
1918 | ((u32 *)session->sess_id.data)[1], | |
1919 | ((u32 *)session->sess_id.data)[2], | |
1920 | ((u32 *)session->sess_id.data)[3], | |
2b2fa717 | 1921 | slot->seq_nr, slot->slot_nr, |
fc01cea9 | 1922 | tp->highest_used_slotid, args->sa_cache_this); |
475d4ba0 | 1923 | p = reserve_space(xdr, NFS4_MAX_SESSIONID_LEN + 16); |
93f0cf25 | 1924 | p = xdr_encode_opaque_fixed(p, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); |
e75bc1c8 | 1925 | *p++ = cpu_to_be32(slot->seq_nr); |
2b2fa717 | 1926 | *p++ = cpu_to_be32(slot->slot_nr); |
e75bc1c8 | 1927 | *p++ = cpu_to_be32(tp->highest_used_slotid); |
34558513 | 1928 | *p = cpu_to_be32(args->sa_cache_this); |
9b7b9fcc AA |
1929 | #endif /* CONFIG_NFS_V4_1 */ |
1930 | } | |
1931 | ||
b1f69b75 AA |
1932 | #ifdef CONFIG_NFS_V4_1 |
1933 | static void | |
1934 | encode_getdeviceinfo(struct xdr_stream *xdr, | |
1935 | const struct nfs4_getdeviceinfo_args *args, | |
1936 | struct compound_hdr *hdr) | |
1937 | { | |
1938 | __be32 *p; | |
1939 | ||
475d4ba0 | 1940 | encode_op_hdr(xdr, OP_GETDEVICEINFO, decode_getdeviceinfo_maxsz, hdr); |
84c9dee3 | 1941 | p = reserve_space(xdr, NFS4_DEVICEID4_SIZE + 4 + 4); |
b1f69b75 AA |
1942 | p = xdr_encode_opaque_fixed(p, args->pdev->dev_id.data, |
1943 | NFS4_DEVICEID4_SIZE); | |
1944 | *p++ = cpu_to_be32(args->pdev->layout_type); | |
f1c097be | 1945 | *p++ = cpu_to_be32(args->pdev->maxcount); /* gdia_maxcount */ |
84c9dee3 CH |
1946 | |
1947 | p = reserve_space(xdr, 4 + 4); | |
1948 | *p++ = cpu_to_be32(1); /* bitmap length */ | |
4e590803 | 1949 | *p++ = cpu_to_be32(args->notify_types); |
b1f69b75 AA |
1950 | } |
1951 | ||
1952 | static void | |
1953 | encode_layoutget(struct xdr_stream *xdr, | |
1954 | const struct nfs4_layoutget_args *args, | |
1955 | struct compound_hdr *hdr) | |
1956 | { | |
b1f69b75 AA |
1957 | __be32 *p; |
1958 | ||
475d4ba0 TM |
1959 | encode_op_hdr(xdr, OP_LAYOUTGET, decode_layoutget_maxsz, hdr); |
1960 | p = reserve_space(xdr, 36); | |
b1f69b75 AA |
1961 | *p++ = cpu_to_be32(0); /* Signal layout available */ |
1962 | *p++ = cpu_to_be32(args->type); | |
1963 | *p++ = cpu_to_be32(args->range.iomode); | |
1964 | p = xdr_encode_hyper(p, args->range.offset); | |
1965 | p = xdr_encode_hyper(p, args->range.length); | |
1966 | p = xdr_encode_hyper(p, args->minlength); | |
ea9d23f5 | 1967 | encode_nfs4_stateid(xdr, &args->stateid); |
475d4ba0 | 1968 | encode_uint32(xdr, args->maxcount); |
b1f69b75 AA |
1969 | |
1970 | dprintk("%s: 1st type:0x%x iomode:%d off:%lu len:%lu mc:%d\n", | |
1971 | __func__, | |
1972 | args->type, | |
1973 | args->range.iomode, | |
1974 | (unsigned long)args->range.offset, | |
1975 | (unsigned long)args->range.length, | |
1976 | args->maxcount); | |
b1f69b75 | 1977 | } |
863a3c6c AA |
1978 | |
1979 | static int | |
1980 | encode_layoutcommit(struct xdr_stream *xdr, | |
ac7db726 | 1981 | struct inode *inode, |
5f919c9f | 1982 | struct nfs4_layoutcommit_args *args, |
863a3c6c AA |
1983 | struct compound_hdr *hdr) |
1984 | { | |
1985 | __be32 *p; | |
1986 | ||
1987 | dprintk("%s: lbw: %llu type: %d\n", __func__, args->lastbytewritten, | |
1988 | NFS_SERVER(args->inode)->pnfs_curr_ld->id); | |
1989 | ||
475d4ba0 TM |
1990 | encode_op_hdr(xdr, OP_LAYOUTCOMMIT, decode_layoutcommit_maxsz, hdr); |
1991 | p = reserve_space(xdr, 20); | |
863a3c6c AA |
1992 | /* Only whole file layouts */ |
1993 | p = xdr_encode_hyper(p, 0); /* offset */ | |
3557c6c3 | 1994 | p = xdr_encode_hyper(p, args->lastbytewritten + 1); /* length */ |
ea9d23f5 TM |
1995 | *p = cpu_to_be32(0); /* reclaim */ |
1996 | encode_nfs4_stateid(xdr, &args->stateid); | |
2e18d4d8 TM |
1997 | if (args->lastbytewritten != U64_MAX) { |
1998 | p = reserve_space(xdr, 20); | |
1999 | *p++ = cpu_to_be32(1); /* newoffset = TRUE */ | |
2000 | p = xdr_encode_hyper(p, args->lastbytewritten); | |
2001 | } else { | |
2002 | p = reserve_space(xdr, 12); | |
2003 | *p++ = cpu_to_be32(0); /* newoffset = FALSE */ | |
2004 | } | |
863a3c6c AA |
2005 | *p++ = cpu_to_be32(0); /* Never send time_modify_changed */ |
2006 | *p++ = cpu_to_be32(NFS_SERVER(args->inode)->pnfs_curr_ld->id);/* type */ | |
ac7db726 | 2007 | |
5f919c9f | 2008 | if (NFS_SERVER(inode)->pnfs_curr_ld->encode_layoutcommit) { |
ac7db726 BH |
2009 | NFS_SERVER(inode)->pnfs_curr_ld->encode_layoutcommit( |
2010 | NFS_I(inode)->layout, xdr, args); | |
5f919c9f CH |
2011 | } else { |
2012 | encode_uint32(xdr, args->layoutupdate_len); | |
2013 | if (args->layoutupdate_pages) { | |
2014 | xdr_write_pages(xdr, args->layoutupdate_pages, 0, | |
2015 | args->layoutupdate_len); | |
2016 | } | |
2017 | } | |
863a3c6c | 2018 | |
863a3c6c AA |
2019 | return 0; |
2020 | } | |
cbe82603 BH |
2021 | |
2022 | static void | |
2023 | encode_layoutreturn(struct xdr_stream *xdr, | |
2024 | const struct nfs4_layoutreturn_args *args, | |
2025 | struct compound_hdr *hdr) | |
2026 | { | |
94e5c571 | 2027 | const struct pnfs_layoutdriver_type *lr_ops = NFS_SERVER(args->inode)->pnfs_curr_ld; |
cbe82603 BH |
2028 | __be32 *p; |
2029 | ||
475d4ba0 TM |
2030 | encode_op_hdr(xdr, OP_LAYOUTRETURN, decode_layoutreturn_maxsz, hdr); |
2031 | p = reserve_space(xdr, 16); | |
cbe82603 BH |
2032 | *p++ = cpu_to_be32(0); /* reclaim. always 0 for now */ |
2033 | *p++ = cpu_to_be32(args->layout_type); | |
15eb67c1 | 2034 | *p++ = cpu_to_be32(args->range.iomode); |
cbe82603 | 2035 | *p = cpu_to_be32(RETURN_FILE); |
ea9d23f5 | 2036 | p = reserve_space(xdr, 16); |
15eb67c1 PT |
2037 | p = xdr_encode_hyper(p, args->range.offset); |
2038 | p = xdr_encode_hyper(p, args->range.length); | |
cbe82603 | 2039 | spin_lock(&args->inode->i_lock); |
ea9d23f5 | 2040 | encode_nfs4_stateid(xdr, &args->stateid); |
cbe82603 | 2041 | spin_unlock(&args->inode->i_lock); |
4d796d75 TM |
2042 | if (args->ld_private->ops && args->ld_private->ops->encode) |
2043 | args->ld_private->ops->encode(xdr, args, args->ld_private); | |
2044 | else if (lr_ops->encode_layoutreturn) | |
94e5c571 TM |
2045 | lr_ops->encode_layoutreturn(xdr, args); |
2046 | else | |
475d4ba0 | 2047 | encode_uint32(xdr, 0); |
cbe82603 | 2048 | } |
fca78d6d BS |
2049 | |
2050 | static int | |
2051 | encode_secinfo_no_name(struct xdr_stream *xdr, | |
2052 | const struct nfs41_secinfo_no_name_args *args, | |
2053 | struct compound_hdr *hdr) | |
2054 | { | |
475d4ba0 TM |
2055 | encode_op_hdr(xdr, OP_SECINFO_NO_NAME, decode_secinfo_no_name_maxsz, hdr); |
2056 | encode_uint32(xdr, args->style); | |
fca78d6d BS |
2057 | return 0; |
2058 | } | |
7d974794 BS |
2059 | |
2060 | static void encode_test_stateid(struct xdr_stream *xdr, | |
2061 | struct nfs41_test_stateid_args *args, | |
2062 | struct compound_hdr *hdr) | |
2063 | { | |
475d4ba0 TM |
2064 | encode_op_hdr(xdr, OP_TEST_STATEID, decode_test_stateid_maxsz, hdr); |
2065 | encode_uint32(xdr, 1); | |
ea9d23f5 | 2066 | encode_nfs4_stateid(xdr, args->stateid); |
7d974794 | 2067 | } |
9aeda35f BS |
2068 | |
2069 | static void encode_free_stateid(struct xdr_stream *xdr, | |
2070 | struct nfs41_free_stateid_args *args, | |
2071 | struct compound_hdr *hdr) | |
2072 | { | |
ab19b481 | 2073 | encode_op_hdr(xdr, OP_FREE_STATEID, decode_free_stateid_maxsz, hdr); |
7c1d5fae | 2074 | encode_nfs4_stateid(xdr, &args->stateid); |
9aeda35f | 2075 | } |
cf805165 TM |
2076 | #else |
2077 | static inline void | |
2078 | encode_layoutreturn(struct xdr_stream *xdr, | |
2079 | const struct nfs4_layoutreturn_args *args, | |
2080 | struct compound_hdr *hdr) | |
2081 | { | |
2082 | } | |
b1f69b75 AA |
2083 | #endif /* CONFIG_NFS_V4_1 */ |
2084 | ||
1da177e4 LT |
2085 | /* |
2086 | * END OF "GENERIC" ENCODE ROUTINES. | |
2087 | */ | |
2088 | ||
66cc0429 BH |
2089 | static u32 nfs4_xdr_minorversion(const struct nfs4_sequence_args *args) |
2090 | { | |
2091 | #if defined(CONFIG_NFS_V4_1) | |
3bd2384a CL |
2092 | struct nfs4_session *session = args->sa_slot->table->session; |
2093 | if (session) | |
2094 | return session->clp->cl_mvops->minor_version; | |
66cc0429 BH |
2095 | #endif /* CONFIG_NFS_V4_1 */ |
2096 | return 0; | |
2097 | } | |
2098 | ||
1da177e4 LT |
2099 | /* |
2100 | * Encode an ACCESS request | |
2101 | */ | |
9f06c719 CL |
2102 | static void nfs4_xdr_enc_access(struct rpc_rqst *req, struct xdr_stream *xdr, |
2103 | const struct nfs4_accessargs *args) | |
1da177e4 | 2104 | { |
1da177e4 | 2105 | struct compound_hdr hdr = { |
66cc0429 | 2106 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2107 | }; |
1da177e4 | 2108 | |
9f06c719 CL |
2109 | encode_compound_hdr(xdr, req, &hdr); |
2110 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2111 | encode_putfh(xdr, args->fh, &hdr); | |
2112 | encode_access(xdr, args->access, &hdr); | |
2113 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2114 | encode_nops(&hdr); |
1da177e4 LT |
2115 | } |
2116 | ||
2117 | /* | |
2118 | * Encode LOOKUP request | |
2119 | */ | |
9f06c719 CL |
2120 | static void nfs4_xdr_enc_lookup(struct rpc_rqst *req, struct xdr_stream *xdr, |
2121 | const struct nfs4_lookup_arg *args) | |
1da177e4 | 2122 | { |
1da177e4 | 2123 | struct compound_hdr hdr = { |
66cc0429 | 2124 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2125 | }; |
1da177e4 | 2126 | |
9f06c719 CL |
2127 | encode_compound_hdr(xdr, req, &hdr); |
2128 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2129 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2130 | encode_lookup(xdr, args->name, &hdr); | |
2131 | encode_getfh(xdr, &hdr); | |
2132 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2133 | encode_nops(&hdr); |
1da177e4 LT |
2134 | } |
2135 | ||
2136 | /* | |
2137 | * Encode LOOKUP_ROOT request | |
2138 | */ | |
9f06c719 CL |
2139 | static void nfs4_xdr_enc_lookup_root(struct rpc_rqst *req, |
2140 | struct xdr_stream *xdr, | |
2141 | const struct nfs4_lookup_root_arg *args) | |
1da177e4 | 2142 | { |
1da177e4 | 2143 | struct compound_hdr hdr = { |
66cc0429 | 2144 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2145 | }; |
1da177e4 | 2146 | |
9f06c719 CL |
2147 | encode_compound_hdr(xdr, req, &hdr); |
2148 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2149 | encode_putrootfh(xdr, &hdr); | |
2150 | encode_getfh(xdr, &hdr); | |
2151 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2152 | encode_nops(&hdr); |
1da177e4 LT |
2153 | } |
2154 | ||
2155 | /* | |
2156 | * Encode REMOVE request | |
2157 | */ | |
9f06c719 CL |
2158 | static void nfs4_xdr_enc_remove(struct rpc_rqst *req, struct xdr_stream *xdr, |
2159 | const struct nfs_removeargs *args) | |
1da177e4 | 2160 | { |
1da177e4 | 2161 | struct compound_hdr hdr = { |
66cc0429 | 2162 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2163 | }; |
1da177e4 | 2164 | |
9f06c719 CL |
2165 | encode_compound_hdr(xdr, req, &hdr); |
2166 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2167 | encode_putfh(xdr, args->fh, &hdr); | |
2168 | encode_remove(xdr, &args->name, &hdr); | |
d017931c | 2169 | encode_nops(&hdr); |
1da177e4 LT |
2170 | } |
2171 | ||
2172 | /* | |
2173 | * Encode RENAME request | |
2174 | */ | |
9f06c719 CL |
2175 | static void nfs4_xdr_enc_rename(struct rpc_rqst *req, struct xdr_stream *xdr, |
2176 | const struct nfs_renameargs *args) | |
1da177e4 | 2177 | { |
1da177e4 | 2178 | struct compound_hdr hdr = { |
66cc0429 | 2179 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2180 | }; |
1da177e4 | 2181 | |
9f06c719 CL |
2182 | encode_compound_hdr(xdr, req, &hdr); |
2183 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2184 | encode_putfh(xdr, args->old_dir, &hdr); | |
2185 | encode_savefh(xdr, &hdr); | |
2186 | encode_putfh(xdr, args->new_dir, &hdr); | |
2187 | encode_rename(xdr, args->old_name, args->new_name, &hdr); | |
d017931c | 2188 | encode_nops(&hdr); |
1da177e4 LT |
2189 | } |
2190 | ||
2191 | /* | |
2192 | * Encode LINK request | |
2193 | */ | |
9f06c719 CL |
2194 | static void nfs4_xdr_enc_link(struct rpc_rqst *req, struct xdr_stream *xdr, |
2195 | const struct nfs4_link_arg *args) | |
1da177e4 | 2196 | { |
1da177e4 | 2197 | struct compound_hdr hdr = { |
66cc0429 | 2198 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2199 | }; |
1da177e4 | 2200 | |
9f06c719 CL |
2201 | encode_compound_hdr(xdr, req, &hdr); |
2202 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2203 | encode_putfh(xdr, args->fh, &hdr); | |
2204 | encode_savefh(xdr, &hdr); | |
2205 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2206 | encode_link(xdr, args->name, &hdr); | |
9f06c719 CL |
2207 | encode_restorefh(xdr, &hdr); |
2208 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2209 | encode_nops(&hdr); |
1da177e4 LT |
2210 | } |
2211 | ||
2212 | /* | |
2213 | * Encode CREATE request | |
2214 | */ | |
9f06c719 CL |
2215 | static void nfs4_xdr_enc_create(struct rpc_rqst *req, struct xdr_stream *xdr, |
2216 | const struct nfs4_create_arg *args) | |
1da177e4 | 2217 | { |
1da177e4 | 2218 | struct compound_hdr hdr = { |
66cc0429 | 2219 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2220 | }; |
1da177e4 | 2221 | |
9f06c719 CL |
2222 | encode_compound_hdr(xdr, req, &hdr); |
2223 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2224 | encode_putfh(xdr, args->dir_fh, &hdr); | |
9f06c719 CL |
2225 | encode_create(xdr, args, &hdr); |
2226 | encode_getfh(xdr, &hdr); | |
2227 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2228 | encode_nops(&hdr); |
1da177e4 LT |
2229 | } |
2230 | ||
2231 | /* | |
2232 | * Encode SYMLINK request | |
2233 | */ | |
9f06c719 CL |
2234 | static void nfs4_xdr_enc_symlink(struct rpc_rqst *req, struct xdr_stream *xdr, |
2235 | const struct nfs4_create_arg *args) | |
1da177e4 | 2236 | { |
9f06c719 | 2237 | nfs4_xdr_enc_create(req, xdr, args); |
1da177e4 LT |
2238 | } |
2239 | ||
2240 | /* | |
2241 | * Encode GETATTR request | |
2242 | */ | |
9f06c719 CL |
2243 | static void nfs4_xdr_enc_getattr(struct rpc_rqst *req, struct xdr_stream *xdr, |
2244 | const struct nfs4_getattr_arg *args) | |
1da177e4 | 2245 | { |
1da177e4 | 2246 | struct compound_hdr hdr = { |
66cc0429 | 2247 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2248 | }; |
1da177e4 | 2249 | |
9f06c719 CL |
2250 | encode_compound_hdr(xdr, req, &hdr); |
2251 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2252 | encode_putfh(xdr, args->fh, &hdr); | |
2253 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2254 | encode_nops(&hdr); |
1da177e4 LT |
2255 | } |
2256 | ||
2257 | /* | |
2258 | * Encode a CLOSE request | |
2259 | */ | |
9f06c719 CL |
2260 | static void nfs4_xdr_enc_close(struct rpc_rqst *req, struct xdr_stream *xdr, |
2261 | struct nfs_closeargs *args) | |
1da177e4 | 2262 | { |
05d564fe | 2263 | struct compound_hdr hdr = { |
66cc0429 | 2264 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 2265 | }; |
05d564fe | 2266 | |
9f06c719 CL |
2267 | encode_compound_hdr(xdr, req, &hdr); |
2268 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2269 | encode_putfh(xdr, args->fh, &hdr); | |
cf805165 TM |
2270 | if (args->lr_args) |
2271 | encode_layoutreturn(xdr, args->lr_args, &hdr); | |
3ecefc92 TM |
2272 | if (args->bitmask != NULL) |
2273 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d8d84983 | 2274 | encode_close(xdr, args, &hdr); |
d017931c | 2275 | encode_nops(&hdr); |
1da177e4 LT |
2276 | } |
2277 | ||
2278 | /* | |
2279 | * Encode an OPEN request | |
2280 | */ | |
9f06c719 CL |
2281 | static void nfs4_xdr_enc_open(struct rpc_rqst *req, struct xdr_stream *xdr, |
2282 | struct nfs_openargs *args) | |
1da177e4 | 2283 | { |
1da177e4 | 2284 | struct compound_hdr hdr = { |
66cc0429 | 2285 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2286 | }; |
1da177e4 | 2287 | |
9f06c719 CL |
2288 | encode_compound_hdr(xdr, req, &hdr); |
2289 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2290 | encode_putfh(xdr, args->fh, &hdr); | |
9f06c719 CL |
2291 | encode_open(xdr, args, &hdr); |
2292 | encode_getfh(xdr, &hdr); | |
ae2bb032 WAA |
2293 | if (args->access) |
2294 | encode_access(xdr, args->access, &hdr); | |
1549210f | 2295 | encode_getfattr_open(xdr, args->bitmask, args->open_bitmap, &hdr); |
d017931c | 2296 | encode_nops(&hdr); |
1da177e4 LT |
2297 | } |
2298 | ||
2299 | /* | |
2300 | * Encode an OPEN_CONFIRM request | |
2301 | */ | |
9f06c719 CL |
2302 | static void nfs4_xdr_enc_open_confirm(struct rpc_rqst *req, |
2303 | struct xdr_stream *xdr, | |
2304 | struct nfs_open_confirmargs *args) | |
1da177e4 | 2305 | { |
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, | |
2321 | struct nfs_openargs *args) | |
1da177e4 | 2322 | { |
1da177e4 | 2323 | struct compound_hdr hdr = { |
66cc0429 | 2324 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2325 | }; |
1da177e4 | 2326 | |
9f06c719 CL |
2327 | encode_compound_hdr(xdr, req, &hdr); |
2328 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2329 | encode_putfh(xdr, args->fh, &hdr); | |
2330 | encode_open(xdr, args, &hdr); | |
ae2bb032 WAA |
2331 | if (args->access) |
2332 | encode_access(xdr, args->access, &hdr); | |
e23008ec | 2333 | encode_getfattr_open(xdr, args->bitmask, args->open_bitmap, &hdr); |
d017931c | 2334 | encode_nops(&hdr); |
1da177e4 LT |
2335 | } |
2336 | ||
2337 | /* | |
2338 | * Encode an OPEN_DOWNGRADE request | |
2339 | */ | |
9f06c719 CL |
2340 | static void nfs4_xdr_enc_open_downgrade(struct rpc_rqst *req, |
2341 | struct xdr_stream *xdr, | |
2342 | struct nfs_closeargs *args) | |
1da177e4 | 2343 | { |
1da177e4 | 2344 | struct compound_hdr hdr = { |
66cc0429 | 2345 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2346 | }; |
1da177e4 | 2347 | |
9f06c719 CL |
2348 | encode_compound_hdr(xdr, req, &hdr); |
2349 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2350 | encode_putfh(xdr, args->fh, &hdr); | |
b6808145 TM |
2351 | if (args->lr_args) |
2352 | encode_layoutreturn(xdr, args->lr_args, &hdr); | |
9f06c719 | 2353 | encode_open_downgrade(xdr, args, &hdr); |
d017931c | 2354 | encode_nops(&hdr); |
1da177e4 LT |
2355 | } |
2356 | ||
2357 | /* | |
2358 | * Encode a LOCK request | |
2359 | */ | |
9f06c719 CL |
2360 | static void nfs4_xdr_enc_lock(struct rpc_rqst *req, struct xdr_stream *xdr, |
2361 | struct nfs_lock_args *args) | |
1da177e4 | 2362 | { |
1da177e4 | 2363 | struct compound_hdr hdr = { |
66cc0429 | 2364 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2365 | }; |
1da177e4 | 2366 | |
9f06c719 CL |
2367 | encode_compound_hdr(xdr, req, &hdr); |
2368 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2369 | encode_putfh(xdr, args->fh, &hdr); | |
2370 | encode_lock(xdr, args, &hdr); | |
d017931c | 2371 | encode_nops(&hdr); |
1da177e4 LT |
2372 | } |
2373 | ||
2374 | /* | |
2375 | * Encode a LOCKT request | |
2376 | */ | |
9f06c719 CL |
2377 | static void nfs4_xdr_enc_lockt(struct rpc_rqst *req, struct xdr_stream *xdr, |
2378 | struct nfs_lockt_args *args) | |
1da177e4 | 2379 | { |
1da177e4 | 2380 | struct compound_hdr hdr = { |
66cc0429 | 2381 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2382 | }; |
1da177e4 | 2383 | |
9f06c719 CL |
2384 | encode_compound_hdr(xdr, req, &hdr); |
2385 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2386 | encode_putfh(xdr, args->fh, &hdr); | |
2387 | encode_lockt(xdr, args, &hdr); | |
d017931c | 2388 | encode_nops(&hdr); |
1da177e4 LT |
2389 | } |
2390 | ||
2391 | /* | |
2392 | * Encode a LOCKU request | |
2393 | */ | |
9f06c719 CL |
2394 | static void nfs4_xdr_enc_locku(struct rpc_rqst *req, struct xdr_stream *xdr, |
2395 | struct nfs_locku_args *args) | |
1da177e4 | 2396 | { |
1da177e4 | 2397 | struct compound_hdr hdr = { |
66cc0429 | 2398 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2399 | }; |
1da177e4 | 2400 | |
9f06c719 CL |
2401 | encode_compound_hdr(xdr, req, &hdr); |
2402 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2403 | encode_putfh(xdr, args->fh, &hdr); | |
2404 | encode_locku(xdr, args, &hdr); | |
d017931c | 2405 | encode_nops(&hdr); |
1da177e4 LT |
2406 | } |
2407 | ||
9f06c719 CL |
2408 | static void nfs4_xdr_enc_release_lockowner(struct rpc_rqst *req, |
2409 | struct xdr_stream *xdr, | |
2410 | struct nfs_release_lockowner_args *args) | |
d3c7b7cc | 2411 | { |
d3c7b7cc TM |
2412 | struct compound_hdr hdr = { |
2413 | .minorversion = 0, | |
2414 | }; | |
2415 | ||
9f06c719 CL |
2416 | encode_compound_hdr(xdr, req, &hdr); |
2417 | encode_release_lockowner(xdr, &args->lock_owner, &hdr); | |
d3c7b7cc | 2418 | encode_nops(&hdr); |
d3c7b7cc TM |
2419 | } |
2420 | ||
1da177e4 LT |
2421 | /* |
2422 | * Encode a READLINK request | |
2423 | */ | |
9f06c719 CL |
2424 | static void nfs4_xdr_enc_readlink(struct rpc_rqst *req, struct xdr_stream *xdr, |
2425 | const struct nfs4_readlink *args) | |
1da177e4 | 2426 | { |
1da177e4 | 2427 | struct compound_hdr hdr = { |
66cc0429 | 2428 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2429 | }; |
1da177e4 | 2430 | |
9f06c719 CL |
2431 | encode_compound_hdr(xdr, req, &hdr); |
2432 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2433 | encode_putfh(xdr, args->fh, &hdr); | |
2434 | encode_readlink(xdr, args, req, &hdr); | |
e3a535e1 | 2435 | |
28f56694 | 2436 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, |
e3a535e1 | 2437 | args->pgbase, args->pglen); |
d017931c | 2438 | encode_nops(&hdr); |
1da177e4 LT |
2439 | } |
2440 | ||
2441 | /* | |
2442 | * Encode a READDIR request | |
2443 | */ | |
9f06c719 CL |
2444 | static void nfs4_xdr_enc_readdir(struct rpc_rqst *req, struct xdr_stream *xdr, |
2445 | const struct nfs4_readdir_arg *args) | |
1da177e4 | 2446 | { |
1da177e4 | 2447 | struct compound_hdr hdr = { |
66cc0429 | 2448 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2449 | }; |
1da177e4 | 2450 | |
9f06c719 CL |
2451 | encode_compound_hdr(xdr, req, &hdr); |
2452 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2453 | encode_putfh(xdr, args->fh, &hdr); | |
2454 | encode_readdir(xdr, args, req, &hdr); | |
d6ac02df | 2455 | |
28f56694 | 2456 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, |
d6ac02df TM |
2457 | args->pgbase, args->count); |
2458 | dprintk("%s: inlined page args = (%u, %p, %u, %u)\n", | |
28f56694 | 2459 | __func__, hdr.replen << 2, args->pages, |
d6ac02df | 2460 | args->pgbase, args->count); |
d017931c | 2461 | encode_nops(&hdr); |
1da177e4 LT |
2462 | } |
2463 | ||
2464 | /* | |
2465 | * Encode a READ request | |
2466 | */ | |
9f06c719 | 2467 | static void nfs4_xdr_enc_read(struct rpc_rqst *req, struct xdr_stream *xdr, |
3c6b899c | 2468 | struct nfs_pgio_args *args) |
1da177e4 | 2469 | { |
1da177e4 | 2470 | struct compound_hdr hdr = { |
66cc0429 | 2471 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2472 | }; |
1da177e4 | 2473 | |
9f06c719 CL |
2474 | encode_compound_hdr(xdr, req, &hdr); |
2475 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2476 | encode_putfh(xdr, args->fh, &hdr); | |
2477 | encode_read(xdr, args, &hdr); | |
1da177e4 | 2478 | |
28f56694 | 2479 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, |
1da177e4 | 2480 | args->pages, args->pgbase, args->count); |
4f22ccc3 | 2481 | req->rq_rcv_buf.flags |= XDRBUF_READ; |
d017931c | 2482 | encode_nops(&hdr); |
1da177e4 LT |
2483 | } |
2484 | ||
2485 | /* | |
2486 | * Encode an SETATTR request | |
2487 | */ | |
9f06c719 CL |
2488 | static void nfs4_xdr_enc_setattr(struct rpc_rqst *req, struct xdr_stream *xdr, |
2489 | struct nfs_setattrargs *args) | |
1da177e4 | 2490 | { |
05d564fe | 2491 | struct compound_hdr hdr = { |
66cc0429 | 2492 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 2493 | }; |
05d564fe | 2494 | |
9f06c719 CL |
2495 | encode_compound_hdr(xdr, req, &hdr); |
2496 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2497 | encode_putfh(xdr, args->fh, &hdr); | |
2498 | encode_setattr(xdr, args, args->server, &hdr); | |
2499 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2500 | encode_nops(&hdr); |
1da177e4 LT |
2501 | } |
2502 | ||
029d105e BF |
2503 | /* |
2504 | * Encode a GETACL request | |
2505 | */ | |
9f06c719 CL |
2506 | static void nfs4_xdr_enc_getacl(struct rpc_rqst *req, struct xdr_stream *xdr, |
2507 | struct nfs_getaclargs *args) | |
029d105e | 2508 | { |
029d105e | 2509 | struct compound_hdr hdr = { |
66cc0429 | 2510 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
029d105e | 2511 | }; |
28f56694 | 2512 | uint32_t replen; |
029d105e | 2513 | |
9f06c719 CL |
2514 | encode_compound_hdr(xdr, req, &hdr); |
2515 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2516 | encode_putfh(xdr, args->fh, &hdr); | |
6682c14b | 2517 | replen = hdr.replen + op_decode_hdr_maxsz; |
9f06c719 | 2518 | encode_getattr_two(xdr, FATTR4_WORD0_ACL, 0, &hdr); |
cf8cdbe5 | 2519 | |
28f56694 | 2520 | xdr_inline_pages(&req->rq_rcv_buf, replen << 2, |
8fbcf237 | 2521 | args->acl_pages, 0, args->acl_len); |
bf118a34 | 2522 | |
d017931c | 2523 | encode_nops(&hdr); |
029d105e BF |
2524 | } |
2525 | ||
1da177e4 LT |
2526 | /* |
2527 | * Encode a WRITE request | |
2528 | */ | |
9f06c719 | 2529 | static void nfs4_xdr_enc_write(struct rpc_rqst *req, struct xdr_stream *xdr, |
3c6b899c | 2530 | struct nfs_pgio_args *args) |
1da177e4 | 2531 | { |
1da177e4 | 2532 | struct compound_hdr hdr = { |
66cc0429 | 2533 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2534 | }; |
1da177e4 | 2535 | |
9f06c719 CL |
2536 | encode_compound_hdr(xdr, req, &hdr); |
2537 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2538 | encode_putfh(xdr, args->fh, &hdr); | |
2539 | encode_write(xdr, args, &hdr); | |
4f22ccc3 | 2540 | req->rq_snd_buf.flags |= XDRBUF_WRITE; |
7ffd1064 FI |
2541 | if (args->bitmask) |
2542 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2543 | encode_nops(&hdr); |
1da177e4 LT |
2544 | } |
2545 | ||
2546 | /* | |
2547 | * a COMMIT request | |
2548 | */ | |
9f06c719 | 2549 | static void nfs4_xdr_enc_commit(struct rpc_rqst *req, struct xdr_stream *xdr, |
0b7c0153 | 2550 | struct nfs_commitargs *args) |
1da177e4 | 2551 | { |
1da177e4 | 2552 | struct compound_hdr hdr = { |
66cc0429 | 2553 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2554 | }; |
1da177e4 | 2555 | |
9f06c719 CL |
2556 | encode_compound_hdr(xdr, req, &hdr); |
2557 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2558 | encode_putfh(xdr, args->fh, &hdr); | |
2559 | encode_commit(xdr, args, &hdr); | |
d017931c | 2560 | encode_nops(&hdr); |
1da177e4 LT |
2561 | } |
2562 | ||
2563 | /* | |
2564 | * FSINFO request | |
2565 | */ | |
9f06c719 CL |
2566 | static void nfs4_xdr_enc_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, |
2567 | struct nfs4_fsinfo_arg *args) | |
1da177e4 | 2568 | { |
1da177e4 | 2569 | struct compound_hdr hdr = { |
66cc0429 | 2570 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2571 | }; |
1da177e4 | 2572 | |
9f06c719 CL |
2573 | encode_compound_hdr(xdr, req, &hdr); |
2574 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2575 | encode_putfh(xdr, args->fh, &hdr); | |
2576 | encode_fsinfo(xdr, args->bitmask, &hdr); | |
d017931c | 2577 | encode_nops(&hdr); |
1da177e4 LT |
2578 | } |
2579 | ||
2580 | /* | |
2581 | * a PATHCONF request | |
2582 | */ | |
9f06c719 CL |
2583 | static void nfs4_xdr_enc_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, |
2584 | const struct nfs4_pathconf_arg *args) | |
1da177e4 | 2585 | { |
1da177e4 | 2586 | struct compound_hdr hdr = { |
66cc0429 | 2587 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2588 | }; |
1da177e4 | 2589 | |
9f06c719 CL |
2590 | encode_compound_hdr(xdr, req, &hdr); |
2591 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2592 | encode_putfh(xdr, args->fh, &hdr); | |
2593 | encode_getattr_one(xdr, args->bitmask[0] & nfs4_pathconf_bitmap[0], | |
cf8cdbe5 | 2594 | &hdr); |
d017931c | 2595 | encode_nops(&hdr); |
1da177e4 LT |
2596 | } |
2597 | ||
2598 | /* | |
2599 | * a STATFS request | |
2600 | */ | |
9f06c719 CL |
2601 | static void nfs4_xdr_enc_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, |
2602 | const struct nfs4_statfs_arg *args) | |
1da177e4 | 2603 | { |
1da177e4 | 2604 | struct compound_hdr hdr = { |
66cc0429 | 2605 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2606 | }; |
1da177e4 | 2607 | |
9f06c719 CL |
2608 | encode_compound_hdr(xdr, req, &hdr); |
2609 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2610 | encode_putfh(xdr, args->fh, &hdr); | |
2611 | encode_getattr_two(xdr, args->bitmask[0] & nfs4_statfs_bitmap[0], | |
cf8cdbe5 | 2612 | args->bitmask[1] & nfs4_statfs_bitmap[1], &hdr); |
d017931c | 2613 | encode_nops(&hdr); |
1da177e4 LT |
2614 | } |
2615 | ||
2616 | /* | |
2617 | * GETATTR_BITMAP request | |
2618 | */ | |
9f06c719 CL |
2619 | static void nfs4_xdr_enc_server_caps(struct rpc_rqst *req, |
2620 | struct xdr_stream *xdr, | |
2621 | struct nfs4_server_caps_arg *args) | |
1da177e4 | 2622 | { |
8c61282f | 2623 | const u32 *bitmask = args->bitmask; |
1da177e4 | 2624 | struct compound_hdr hdr = { |
66cc0429 | 2625 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2626 | }; |
1da177e4 | 2627 | |
9f06c719 CL |
2628 | encode_compound_hdr(xdr, req, &hdr); |
2629 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2630 | encode_putfh(xdr, args->fhandle, &hdr); | |
8c61282f | 2631 | encode_getattr_three(xdr, bitmask[0], bitmask[1], bitmask[2], &hdr); |
d017931c | 2632 | encode_nops(&hdr); |
1da177e4 LT |
2633 | } |
2634 | ||
2635 | /* | |
2636 | * a RENEW request | |
2637 | */ | |
9f06c719 CL |
2638 | static void nfs4_xdr_enc_renew(struct rpc_rqst *req, struct xdr_stream *xdr, |
2639 | struct nfs_client *clp) | |
1da177e4 | 2640 | { |
1da177e4 | 2641 | struct compound_hdr hdr = { |
d017931c | 2642 | .nops = 0, |
1da177e4 LT |
2643 | }; |
2644 | ||
9f06c719 | 2645 | encode_compound_hdr(xdr, req, &hdr); |
bb4dae5e | 2646 | encode_renew(xdr, clp->cl_clientid, &hdr); |
d017931c | 2647 | encode_nops(&hdr); |
1da177e4 LT |
2648 | } |
2649 | ||
2650 | /* | |
2651 | * a SETCLIENTID request | |
2652 | */ | |
9f06c719 CL |
2653 | static void nfs4_xdr_enc_setclientid(struct rpc_rqst *req, |
2654 | struct xdr_stream *xdr, | |
2655 | struct nfs4_setclientid *sc) | |
1da177e4 | 2656 | { |
1da177e4 | 2657 | struct compound_hdr hdr = { |
d017931c | 2658 | .nops = 0, |
1da177e4 LT |
2659 | }; |
2660 | ||
9f06c719 CL |
2661 | encode_compound_hdr(xdr, req, &hdr); |
2662 | encode_setclientid(xdr, sc, &hdr); | |
d017931c | 2663 | encode_nops(&hdr); |
1da177e4 LT |
2664 | } |
2665 | ||
2666 | /* | |
2667 | * a SETCLIENTID_CONFIRM request | |
2668 | */ | |
9f06c719 CL |
2669 | static void nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, |
2670 | struct xdr_stream *xdr, | |
2671 | struct nfs4_setclientid_res *arg) | |
1da177e4 | 2672 | { |
1da177e4 | 2673 | struct compound_hdr hdr = { |
d017931c | 2674 | .nops = 0, |
1da177e4 | 2675 | }; |
1da177e4 | 2676 | |
9f06c719 CL |
2677 | encode_compound_hdr(xdr, req, &hdr); |
2678 | encode_setclientid_confirm(xdr, arg, &hdr); | |
d017931c | 2679 | encode_nops(&hdr); |
1da177e4 LT |
2680 | } |
2681 | ||
2682 | /* | |
2683 | * DELEGRETURN request | |
2684 | */ | |
9f06c719 CL |
2685 | static void nfs4_xdr_enc_delegreturn(struct rpc_rqst *req, |
2686 | struct xdr_stream *xdr, | |
2687 | const struct nfs4_delegreturnargs *args) | |
1da177e4 | 2688 | { |
1da177e4 | 2689 | struct compound_hdr hdr = { |
66cc0429 | 2690 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2691 | }; |
1da177e4 | 2692 | |
9f06c719 CL |
2693 | encode_compound_hdr(xdr, req, &hdr); |
2694 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2695 | encode_putfh(xdr, args->fhandle, &hdr); | |
586f1c39 TM |
2696 | if (args->lr_args) |
2697 | encode_layoutreturn(xdr, args->lr_args, &hdr); | |
8ac2b422 TM |
2698 | if (args->bitmask) |
2699 | encode_getfattr(xdr, args->bitmask, &hdr); | |
e144cbcc | 2700 | encode_delegreturn(xdr, args->stateid, &hdr); |
d017931c | 2701 | encode_nops(&hdr); |
1da177e4 LT |
2702 | } |
2703 | ||
683b57b4 TM |
2704 | /* |
2705 | * Encode FS_LOCATIONS request | |
2706 | */ | |
9f06c719 CL |
2707 | static void nfs4_xdr_enc_fs_locations(struct rpc_rqst *req, |
2708 | struct xdr_stream *xdr, | |
2709 | struct nfs4_fs_locations_arg *args) | |
683b57b4 | 2710 | { |
683b57b4 | 2711 | struct compound_hdr hdr = { |
66cc0429 | 2712 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
683b57b4 | 2713 | }; |
28f56694 | 2714 | uint32_t replen; |
683b57b4 | 2715 | |
9f06c719 CL |
2716 | encode_compound_hdr(xdr, req, &hdr); |
2717 | encode_sequence(xdr, &args->seq_args, &hdr); | |
b03d735b CL |
2718 | if (args->migration) { |
2719 | encode_putfh(xdr, args->fh, &hdr); | |
2720 | replen = hdr.replen; | |
2721 | encode_fs_locations(xdr, args->bitmask, &hdr); | |
2722 | if (args->renew) | |
2723 | encode_renew(xdr, args->clientid, &hdr); | |
2724 | } else { | |
2725 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2726 | encode_lookup(xdr, args->name, &hdr); | |
2727 | replen = hdr.replen; | |
2728 | encode_fs_locations(xdr, args->bitmask, &hdr); | |
2729 | } | |
cf8cdbe5 | 2730 | |
b03d735b | 2731 | /* Set up reply kvec to capture returned fs_locations array. */ |
28f56694 | 2732 | xdr_inline_pages(&req->rq_rcv_buf, replen << 2, &args->page, |
683b57b4 | 2733 | 0, PAGE_SIZE); |
d017931c | 2734 | encode_nops(&hdr); |
683b57b4 TM |
2735 | } |
2736 | ||
5a5ea0d4 BS |
2737 | /* |
2738 | * Encode SECINFO request | |
2739 | */ | |
2740 | static void nfs4_xdr_enc_secinfo(struct rpc_rqst *req, | |
2741 | struct xdr_stream *xdr, | |
2742 | struct nfs4_secinfo_arg *args) | |
2743 | { | |
2744 | struct compound_hdr hdr = { | |
2745 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2746 | }; | |
2747 | ||
2748 | encode_compound_hdr(xdr, req, &hdr); | |
2749 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2750 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2751 | encode_secinfo(xdr, args->name, &hdr); | |
2752 | encode_nops(&hdr); | |
2753 | } | |
2754 | ||
44c99933 CL |
2755 | /* |
2756 | * Encode FSID_PRESENT request | |
2757 | */ | |
2758 | static void nfs4_xdr_enc_fsid_present(struct rpc_rqst *req, | |
2759 | struct xdr_stream *xdr, | |
2760 | struct nfs4_fsid_present_arg *args) | |
2761 | { | |
2762 | struct compound_hdr hdr = { | |
2763 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2764 | }; | |
2765 | ||
2766 | encode_compound_hdr(xdr, req, &hdr); | |
2767 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2768 | encode_putfh(xdr, args->fh, &hdr); | |
2769 | encode_getfh(xdr, &hdr); | |
2770 | if (args->renew) | |
2771 | encode_renew(xdr, args->clientid, &hdr); | |
2772 | encode_nops(&hdr); | |
2773 | } | |
2774 | ||
99fe60d0 | 2775 | #if defined(CONFIG_NFS_V4_1) |
7c44f1ae WAA |
2776 | /* |
2777 | * BIND_CONN_TO_SESSION request | |
2778 | */ | |
2779 | static void nfs4_xdr_enc_bind_conn_to_session(struct rpc_rqst *req, | |
2780 | struct xdr_stream *xdr, | |
71a097c6 | 2781 | struct nfs41_bind_conn_to_session_args *args) |
7c44f1ae WAA |
2782 | { |
2783 | struct compound_hdr hdr = { | |
71a097c6 | 2784 | .minorversion = args->client->cl_mvops->minor_version, |
7c44f1ae WAA |
2785 | }; |
2786 | ||
2787 | encode_compound_hdr(xdr, req, &hdr); | |
71a097c6 | 2788 | encode_bind_conn_to_session(xdr, args, &hdr); |
7c44f1ae WAA |
2789 | encode_nops(&hdr); |
2790 | } | |
2791 | ||
99fe60d0 BH |
2792 | /* |
2793 | * EXCHANGE_ID request | |
2794 | */ | |
9f06c719 CL |
2795 | static void nfs4_xdr_enc_exchange_id(struct rpc_rqst *req, |
2796 | struct xdr_stream *xdr, | |
2797 | struct nfs41_exchange_id_args *args) | |
99fe60d0 | 2798 | { |
99fe60d0 | 2799 | struct compound_hdr hdr = { |
a4432345 | 2800 | .minorversion = args->client->cl_mvops->minor_version, |
99fe60d0 BH |
2801 | }; |
2802 | ||
9f06c719 CL |
2803 | encode_compound_hdr(xdr, req, &hdr); |
2804 | encode_exchange_id(xdr, args, &hdr); | |
99fe60d0 | 2805 | encode_nops(&hdr); |
99fe60d0 | 2806 | } |
2050f0cc | 2807 | |
fc931582 AA |
2808 | /* |
2809 | * a CREATE_SESSION request | |
2810 | */ | |
9f06c719 CL |
2811 | static void nfs4_xdr_enc_create_session(struct rpc_rqst *req, |
2812 | struct xdr_stream *xdr, | |
2813 | struct nfs41_create_session_args *args) | |
fc931582 | 2814 | { |
fc931582 | 2815 | struct compound_hdr hdr = { |
a4432345 | 2816 | .minorversion = args->client->cl_mvops->minor_version, |
fc931582 AA |
2817 | }; |
2818 | ||
9f06c719 CL |
2819 | encode_compound_hdr(xdr, req, &hdr); |
2820 | encode_create_session(xdr, args, &hdr); | |
fc931582 | 2821 | encode_nops(&hdr); |
fc931582 AA |
2822 | } |
2823 | ||
0f3e66c6 AA |
2824 | /* |
2825 | * a DESTROY_SESSION request | |
2826 | */ | |
9f06c719 CL |
2827 | static void nfs4_xdr_enc_destroy_session(struct rpc_rqst *req, |
2828 | struct xdr_stream *xdr, | |
2829 | struct nfs4_session *session) | |
0f3e66c6 | 2830 | { |
0f3e66c6 | 2831 | struct compound_hdr hdr = { |
a4432345 | 2832 | .minorversion = session->clp->cl_mvops->minor_version, |
0f3e66c6 AA |
2833 | }; |
2834 | ||
9f06c719 CL |
2835 | encode_compound_hdr(xdr, req, &hdr); |
2836 | encode_destroy_session(xdr, session, &hdr); | |
0f3e66c6 | 2837 | encode_nops(&hdr); |
0f3e66c6 AA |
2838 | } |
2839 | ||
66245539 TM |
2840 | /* |
2841 | * a DESTROY_CLIENTID request | |
2842 | */ | |
2843 | static void nfs4_xdr_enc_destroy_clientid(struct rpc_rqst *req, | |
2844 | struct xdr_stream *xdr, | |
2845 | struct nfs_client *clp) | |
2846 | { | |
2847 | struct compound_hdr hdr = { | |
2848 | .minorversion = clp->cl_mvops->minor_version, | |
2849 | }; | |
2850 | ||
2851 | encode_compound_hdr(xdr, req, &hdr); | |
2852 | encode_destroy_clientid(xdr, clp->cl_clientid, &hdr); | |
2853 | encode_nops(&hdr); | |
2854 | } | |
2855 | ||
fc01cea9 AA |
2856 | /* |
2857 | * a SEQUENCE request | |
2858 | */ | |
9f06c719 CL |
2859 | static void nfs4_xdr_enc_sequence(struct rpc_rqst *req, struct xdr_stream *xdr, |
2860 | struct nfs4_sequence_args *args) | |
fc01cea9 | 2861 | { |
fc01cea9 AA |
2862 | struct compound_hdr hdr = { |
2863 | .minorversion = nfs4_xdr_minorversion(args), | |
2864 | }; | |
2865 | ||
9f06c719 CL |
2866 | encode_compound_hdr(xdr, req, &hdr); |
2867 | encode_sequence(xdr, args, &hdr); | |
fc01cea9 | 2868 | encode_nops(&hdr); |
fc01cea9 AA |
2869 | } |
2870 | ||
2050f0cc AA |
2871 | /* |
2872 | * a GET_LEASE_TIME request | |
2873 | */ | |
9f06c719 CL |
2874 | static void nfs4_xdr_enc_get_lease_time(struct rpc_rqst *req, |
2875 | struct xdr_stream *xdr, | |
2876 | struct nfs4_get_lease_time_args *args) | |
2050f0cc | 2877 | { |
2050f0cc AA |
2878 | struct compound_hdr hdr = { |
2879 | .minorversion = nfs4_xdr_minorversion(&args->la_seq_args), | |
2880 | }; | |
dae100c2 | 2881 | const u32 lease_bitmap[3] = { FATTR4_WORD0_LEASE_TIME }; |
2050f0cc | 2882 | |
9f06c719 CL |
2883 | encode_compound_hdr(xdr, req, &hdr); |
2884 | encode_sequence(xdr, &args->la_seq_args, &hdr); | |
2885 | encode_putrootfh(xdr, &hdr); | |
2886 | encode_fsinfo(xdr, lease_bitmap, &hdr); | |
2050f0cc | 2887 | encode_nops(&hdr); |
2050f0cc | 2888 | } |
18019753 RL |
2889 | |
2890 | /* | |
2891 | * a RECLAIM_COMPLETE request | |
2892 | */ | |
9f06c719 CL |
2893 | static void nfs4_xdr_enc_reclaim_complete(struct rpc_rqst *req, |
2894 | struct xdr_stream *xdr, | |
2895 | struct nfs41_reclaim_complete_args *args) | |
18019753 | 2896 | { |
18019753 RL |
2897 | struct compound_hdr hdr = { |
2898 | .minorversion = nfs4_xdr_minorversion(&args->seq_args) | |
2899 | }; | |
2900 | ||
9f06c719 CL |
2901 | encode_compound_hdr(xdr, req, &hdr); |
2902 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2903 | encode_reclaim_complete(xdr, args, &hdr); | |
18019753 | 2904 | encode_nops(&hdr); |
18019753 RL |
2905 | } |
2906 | ||
b1f69b75 AA |
2907 | /* |
2908 | * Encode GETDEVICEINFO request | |
2909 | */ | |
9f06c719 CL |
2910 | static void nfs4_xdr_enc_getdeviceinfo(struct rpc_rqst *req, |
2911 | struct xdr_stream *xdr, | |
2912 | struct nfs4_getdeviceinfo_args *args) | |
b1f69b75 | 2913 | { |
b1f69b75 AA |
2914 | struct compound_hdr hdr = { |
2915 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2916 | }; | |
2917 | ||
9f06c719 CL |
2918 | encode_compound_hdr(xdr, req, &hdr); |
2919 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2920 | encode_getdeviceinfo(xdr, args, &hdr); | |
b1f69b75 AA |
2921 | |
2922 | /* set up reply kvec. Subtract notification bitmap max size (2) | |
2923 | * so that notification bitmap is put in xdr_buf tail */ | |
2924 | xdr_inline_pages(&req->rq_rcv_buf, (hdr.replen - 2) << 2, | |
2925 | args->pdev->pages, args->pdev->pgbase, | |
2926 | args->pdev->pglen); | |
2927 | ||
2928 | encode_nops(&hdr); | |
b1f69b75 AA |
2929 | } |
2930 | ||
2931 | /* | |
2932 | * Encode LAYOUTGET request | |
2933 | */ | |
9f06c719 CL |
2934 | static void nfs4_xdr_enc_layoutget(struct rpc_rqst *req, |
2935 | struct xdr_stream *xdr, | |
2936 | struct nfs4_layoutget_args *args) | |
b1f69b75 | 2937 | { |
b1f69b75 AA |
2938 | struct compound_hdr hdr = { |
2939 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2940 | }; | |
2941 | ||
9f06c719 CL |
2942 | encode_compound_hdr(xdr, req, &hdr); |
2943 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2944 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
2945 | encode_layoutget(xdr, args, &hdr); | |
35124a09 WAA |
2946 | |
2947 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, | |
2948 | args->layout.pages, 0, args->layout.pglen); | |
2949 | ||
b1f69b75 | 2950 | encode_nops(&hdr); |
b1f69b75 | 2951 | } |
863a3c6c AA |
2952 | |
2953 | /* | |
2954 | * Encode LAYOUTCOMMIT request | |
2955 | */ | |
cbe82603 BH |
2956 | static void nfs4_xdr_enc_layoutcommit(struct rpc_rqst *req, |
2957 | struct xdr_stream *xdr, | |
2958 | struct nfs4_layoutcommit_args *args) | |
863a3c6c | 2959 | { |
ac7db726 BH |
2960 | struct nfs4_layoutcommit_data *data = |
2961 | container_of(args, struct nfs4_layoutcommit_data, args); | |
863a3c6c AA |
2962 | struct compound_hdr hdr = { |
2963 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2964 | }; | |
2965 | ||
2966 | encode_compound_hdr(xdr, req, &hdr); | |
2967 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2968 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
ac7db726 | 2969 | encode_layoutcommit(xdr, data->args.inode, args, &hdr); |
863a3c6c | 2970 | encode_getfattr(xdr, args->bitmask, &hdr); |
b1f69b75 | 2971 | encode_nops(&hdr); |
cbe82603 BH |
2972 | } |
2973 | ||
2974 | /* | |
2975 | * Encode LAYOUTRETURN request | |
2976 | */ | |
2977 | static void nfs4_xdr_enc_layoutreturn(struct rpc_rqst *req, | |
2978 | struct xdr_stream *xdr, | |
2979 | struct nfs4_layoutreturn_args *args) | |
2980 | { | |
2981 | struct compound_hdr hdr = { | |
2982 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2983 | }; | |
2984 | ||
2985 | encode_compound_hdr(xdr, req, &hdr); | |
2986 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2987 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
2988 | encode_layoutreturn(xdr, args, &hdr); | |
2989 | encode_nops(&hdr); | |
b1f69b75 | 2990 | } |
fca78d6d BS |
2991 | |
2992 | /* | |
2993 | * Encode SECINFO_NO_NAME request | |
2994 | */ | |
2995 | static int nfs4_xdr_enc_secinfo_no_name(struct rpc_rqst *req, | |
2996 | struct xdr_stream *xdr, | |
2997 | struct nfs41_secinfo_no_name_args *args) | |
2998 | { | |
2999 | struct compound_hdr hdr = { | |
3000 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
3001 | }; | |
3002 | ||
3003 | encode_compound_hdr(xdr, req, &hdr); | |
3004 | encode_sequence(xdr, &args->seq_args, &hdr); | |
3005 | encode_putrootfh(xdr, &hdr); | |
3006 | encode_secinfo_no_name(xdr, args, &hdr); | |
3007 | encode_nops(&hdr); | |
3008 | return 0; | |
3009 | } | |
7d974794 BS |
3010 | |
3011 | /* | |
3012 | * Encode TEST_STATEID request | |
3013 | */ | |
3014 | static void nfs4_xdr_enc_test_stateid(struct rpc_rqst *req, | |
3015 | struct xdr_stream *xdr, | |
3016 | struct nfs41_test_stateid_args *args) | |
3017 | { | |
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_test_stateid(xdr, args, &hdr); | |
3025 | encode_nops(&hdr); | |
3026 | } | |
9aeda35f BS |
3027 | |
3028 | /* | |
3029 | * Encode FREE_STATEID request | |
3030 | */ | |
3031 | static void nfs4_xdr_enc_free_stateid(struct rpc_rqst *req, | |
3032 | struct xdr_stream *xdr, | |
3033 | struct nfs41_free_stateid_args *args) | |
3034 | { | |
3035 | struct compound_hdr hdr = { | |
3036 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
3037 | }; | |
3038 | ||
3039 | encode_compound_hdr(xdr, req, &hdr); | |
3040 | encode_sequence(xdr, &args->seq_args, &hdr); | |
3041 | encode_free_stateid(xdr, args, &hdr); | |
3042 | encode_nops(&hdr); | |
3043 | } | |
99fe60d0 BH |
3044 | #endif /* CONFIG_NFS_V4_1 */ |
3045 | ||
686841b3 BH |
3046 | static void print_overflow_msg(const char *func, const struct xdr_stream *xdr) |
3047 | { | |
3048 | dprintk("nfs: %s: prematurely hit end of receive buffer. " | |
3049 | "Remaining buffer length is %tu words.\n", | |
3050 | func, xdr->end - xdr->p); | |
3051 | } | |
1da177e4 | 3052 | |
683b57b4 | 3053 | static int decode_opaque_inline(struct xdr_stream *xdr, unsigned int *len, char **string) |
1da177e4 | 3054 | { |
6da59ce2 TM |
3055 | ssize_t ret = xdr_stream_decode_opaque_inline(xdr, (void **)string, |
3056 | NFS4_OPAQUE_LIMIT); | |
3057 | if (unlikely(ret < 0)) { | |
3058 | if (ret == -EBADMSG) | |
3059 | print_overflow_msg(__func__, xdr); | |
3060 | return -EIO; | |
3061 | } | |
3062 | *len = ret; | |
1da177e4 LT |
3063 | return 0; |
3064 | } | |
3065 | ||
3066 | static int decode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr) | |
3067 | { | |
8687b63a | 3068 | __be32 *p; |
1da177e4 | 3069 | |
c0eae66e BH |
3070 | p = xdr_inline_decode(xdr, 8); |
3071 | if (unlikely(!p)) | |
3072 | goto out_overflow; | |
6f723f77 | 3073 | hdr->status = be32_to_cpup(p++); |
cccddf4f | 3074 | hdr->taglen = be32_to_cpup(p); |
6c0195a4 | 3075 | |
c0eae66e BH |
3076 | p = xdr_inline_decode(xdr, hdr->taglen + 4); |
3077 | if (unlikely(!p)) | |
3078 | goto out_overflow; | |
1da177e4 LT |
3079 | hdr->tag = (char *)p; |
3080 | p += XDR_QUADLEN(hdr->taglen); | |
cccddf4f | 3081 | hdr->nops = be32_to_cpup(p); |
aadf6152 BH |
3082 | if (unlikely(hdr->nops < 1)) |
3083 | return nfs4_stat_to_errno(hdr->status); | |
1da177e4 | 3084 | return 0; |
c0eae66e BH |
3085 | out_overflow: |
3086 | print_overflow_msg(__func__, xdr); | |
3087 | return -EIO; | |
1da177e4 LT |
3088 | } |
3089 | ||
c7848f69 TM |
3090 | static bool __decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected, |
3091 | int *nfs_retval) | |
1da177e4 | 3092 | { |
8687b63a | 3093 | __be32 *p; |
1da177e4 LT |
3094 | uint32_t opnum; |
3095 | int32_t nfserr; | |
3096 | ||
c0eae66e BH |
3097 | p = xdr_inline_decode(xdr, 8); |
3098 | if (unlikely(!p)) | |
3099 | goto out_overflow; | |
6f723f77 | 3100 | opnum = be32_to_cpup(p++); |
c7848f69 TM |
3101 | if (unlikely(opnum != expected)) |
3102 | goto out_bad_operation; | |
cccddf4f | 3103 | nfserr = be32_to_cpup(p); |
c7848f69 TM |
3104 | if (nfserr == NFS_OK) |
3105 | *nfs_retval = 0; | |
3106 | else | |
3107 | *nfs_retval = nfs4_stat_to_errno(nfserr); | |
3108 | return true; | |
3109 | out_bad_operation: | |
3110 | dprintk("nfs: Server returned operation" | |
3111 | " %d but we issued a request for %d\n", | |
3112 | opnum, expected); | |
3113 | *nfs_retval = -EREMOTEIO; | |
3114 | return false; | |
c0eae66e BH |
3115 | out_overflow: |
3116 | print_overflow_msg(__func__, xdr); | |
c7848f69 TM |
3117 | *nfs_retval = -EIO; |
3118 | return false; | |
3119 | } | |
3120 | ||
3121 | static int decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected) | |
3122 | { | |
3123 | int retval; | |
3124 | ||
3125 | __decode_op_hdr(xdr, expected, &retval); | |
3126 | return retval; | |
1da177e4 LT |
3127 | } |
3128 | ||
3129 | /* Dummy routine */ | |
1bbe60ff | 3130 | static int decode_ace(struct xdr_stream *xdr, void *ace) |
1da177e4 | 3131 | { |
8687b63a | 3132 | __be32 *p; |
683b57b4 | 3133 | unsigned int strlen; |
1da177e4 LT |
3134 | char *str; |
3135 | ||
c0eae66e BH |
3136 | p = xdr_inline_decode(xdr, 12); |
3137 | if (likely(p)) | |
3138 | return decode_opaque_inline(xdr, &strlen, &str); | |
3139 | print_overflow_msg(__func__, xdr); | |
3140 | return -EIO; | |
1da177e4 LT |
3141 | } |
3142 | ||
3143 | static int decode_attr_bitmap(struct xdr_stream *xdr, uint32_t *bitmap) | |
3144 | { | |
8687b63a AV |
3145 | uint32_t bmlen; |
3146 | __be32 *p; | |
1da177e4 | 3147 | |
c0eae66e BH |
3148 | p = xdr_inline_decode(xdr, 4); |
3149 | if (unlikely(!p)) | |
3150 | goto out_overflow; | |
cccddf4f | 3151 | bmlen = be32_to_cpup(p); |
1da177e4 | 3152 | |
dae100c2 | 3153 | bitmap[0] = bitmap[1] = bitmap[2] = 0; |
c0eae66e BH |
3154 | p = xdr_inline_decode(xdr, (bmlen << 2)); |
3155 | if (unlikely(!p)) | |
3156 | goto out_overflow; | |
1da177e4 | 3157 | if (bmlen > 0) { |
6f723f77 | 3158 | bitmap[0] = be32_to_cpup(p++); |
dae100c2 FI |
3159 | if (bmlen > 1) { |
3160 | bitmap[1] = be32_to_cpup(p++); | |
3161 | if (bmlen > 2) | |
3162 | bitmap[2] = be32_to_cpup(p); | |
3163 | } | |
1da177e4 LT |
3164 | } |
3165 | return 0; | |
c0eae66e BH |
3166 | out_overflow: |
3167 | print_overflow_msg(__func__, xdr); | |
3168 | return -EIO; | |
1da177e4 LT |
3169 | } |
3170 | ||
256e48bb | 3171 | static int decode_attr_length(struct xdr_stream *xdr, uint32_t *attrlen, unsigned int *savep) |
1da177e4 | 3172 | { |
8687b63a | 3173 | __be32 *p; |
1da177e4 | 3174 | |
c0eae66e BH |
3175 | p = xdr_inline_decode(xdr, 4); |
3176 | if (unlikely(!p)) | |
3177 | goto out_overflow; | |
cccddf4f | 3178 | *attrlen = be32_to_cpup(p); |
256e48bb | 3179 | *savep = xdr_stream_pos(xdr); |
1da177e4 | 3180 | return 0; |
c0eae66e BH |
3181 | out_overflow: |
3182 | print_overflow_msg(__func__, xdr); | |
3183 | return -EIO; | |
1da177e4 LT |
3184 | } |
3185 | ||
3186 | static int decode_attr_supported(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *bitmask) | |
3187 | { | |
3188 | if (likely(bitmap[0] & FATTR4_WORD0_SUPPORTED_ATTRS)) { | |
3388bff5 RB |
3189 | int ret; |
3190 | ret = decode_attr_bitmap(xdr, bitmask); | |
3191 | if (unlikely(ret < 0)) | |
3192 | return ret; | |
1da177e4 LT |
3193 | bitmap[0] &= ~FATTR4_WORD0_SUPPORTED_ATTRS; |
3194 | } else | |
dae100c2 FI |
3195 | bitmask[0] = bitmask[1] = bitmask[2] = 0; |
3196 | dprintk("%s: bitmask=%08x:%08x:%08x\n", __func__, | |
3197 | bitmask[0], bitmask[1], bitmask[2]); | |
1da177e4 LT |
3198 | return 0; |
3199 | } | |
3200 | ||
3201 | static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *type) | |
3202 | { | |
8687b63a | 3203 | __be32 *p; |
409924e4 | 3204 | int ret = 0; |
1da177e4 LT |
3205 | |
3206 | *type = 0; | |
3207 | if (unlikely(bitmap[0] & (FATTR4_WORD0_TYPE - 1U))) | |
3208 | return -EIO; | |
3209 | if (likely(bitmap[0] & FATTR4_WORD0_TYPE)) { | |
c0eae66e BH |
3210 | p = xdr_inline_decode(xdr, 4); |
3211 | if (unlikely(!p)) | |
3212 | goto out_overflow; | |
cccddf4f | 3213 | *type = be32_to_cpup(p); |
1da177e4 | 3214 | if (*type < NF4REG || *type > NF4NAMEDATTR) { |
3110ff80 | 3215 | dprintk("%s: bad type %d\n", __func__, *type); |
1da177e4 LT |
3216 | return -EIO; |
3217 | } | |
3218 | bitmap[0] &= ~FATTR4_WORD0_TYPE; | |
409924e4 | 3219 | ret = NFS_ATTR_FATTR_TYPE; |
1da177e4 | 3220 | } |
bca79478 | 3221 | dprintk("%s: type=0%o\n", __func__, nfs_type2fmt[*type]); |
409924e4 | 3222 | return ret; |
c0eae66e BH |
3223 | out_overflow: |
3224 | print_overflow_msg(__func__, xdr); | |
3225 | return -EIO; | |
1da177e4 LT |
3226 | } |
3227 | ||
264e6351 CL |
3228 | static int decode_attr_fh_expire_type(struct xdr_stream *xdr, |
3229 | uint32_t *bitmap, uint32_t *type) | |
3230 | { | |
3231 | __be32 *p; | |
3232 | ||
3233 | *type = 0; | |
3234 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FH_EXPIRE_TYPE - 1U))) | |
3235 | return -EIO; | |
3236 | if (likely(bitmap[0] & FATTR4_WORD0_FH_EXPIRE_TYPE)) { | |
3237 | p = xdr_inline_decode(xdr, 4); | |
3238 | if (unlikely(!p)) | |
3239 | goto out_overflow; | |
3240 | *type = be32_to_cpup(p); | |
3241 | bitmap[0] &= ~FATTR4_WORD0_FH_EXPIRE_TYPE; | |
3242 | } | |
3243 | dprintk("%s: expire type=0x%x\n", __func__, *type); | |
3244 | return 0; | |
3245 | out_overflow: | |
3246 | print_overflow_msg(__func__, xdr); | |
3247 | return -EIO; | |
3248 | } | |
3249 | ||
1da177e4 LT |
3250 | static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *change) |
3251 | { | |
8687b63a | 3252 | __be32 *p; |
409924e4 | 3253 | int ret = 0; |
1da177e4 LT |
3254 | |
3255 | *change = 0; | |
3256 | if (unlikely(bitmap[0] & (FATTR4_WORD0_CHANGE - 1U))) | |
3257 | return -EIO; | |
3258 | if (likely(bitmap[0] & FATTR4_WORD0_CHANGE)) { | |
c0eae66e BH |
3259 | p = xdr_inline_decode(xdr, 8); |
3260 | if (unlikely(!p)) | |
3261 | goto out_overflow; | |
cccddf4f | 3262 | xdr_decode_hyper(p, change); |
1da177e4 | 3263 | bitmap[0] &= ~FATTR4_WORD0_CHANGE; |
409924e4 | 3264 | ret = NFS_ATTR_FATTR_CHANGE; |
1da177e4 | 3265 | } |
3110ff80 | 3266 | dprintk("%s: change attribute=%Lu\n", __func__, |
1da177e4 | 3267 | (unsigned long long)*change); |
409924e4 | 3268 | return ret; |
c0eae66e BH |
3269 | out_overflow: |
3270 | print_overflow_msg(__func__, xdr); | |
3271 | return -EIO; | |
1da177e4 LT |
3272 | } |
3273 | ||
3274 | static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *size) | |
3275 | { | |
8687b63a | 3276 | __be32 *p; |
409924e4 | 3277 | int ret = 0; |
1da177e4 LT |
3278 | |
3279 | *size = 0; | |
3280 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SIZE - 1U))) | |
3281 | return -EIO; | |
3282 | if (likely(bitmap[0] & FATTR4_WORD0_SIZE)) { | |
c0eae66e BH |
3283 | p = xdr_inline_decode(xdr, 8); |
3284 | if (unlikely(!p)) | |
3285 | goto out_overflow; | |
cccddf4f | 3286 | xdr_decode_hyper(p, size); |
1da177e4 | 3287 | bitmap[0] &= ~FATTR4_WORD0_SIZE; |
409924e4 | 3288 | ret = NFS_ATTR_FATTR_SIZE; |
1da177e4 | 3289 | } |
3110ff80 | 3290 | dprintk("%s: file size=%Lu\n", __func__, (unsigned long long)*size); |
409924e4 | 3291 | return ret; |
c0eae66e BH |
3292 | out_overflow: |
3293 | print_overflow_msg(__func__, xdr); | |
3294 | return -EIO; | |
1da177e4 LT |
3295 | } |
3296 | ||
3297 | static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3298 | { | |
8687b63a | 3299 | __be32 *p; |
1da177e4 LT |
3300 | |
3301 | *res = 0; | |
3302 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LINK_SUPPORT - 1U))) | |
3303 | return -EIO; | |
3304 | if (likely(bitmap[0] & FATTR4_WORD0_LINK_SUPPORT)) { | |
c0eae66e BH |
3305 | p = xdr_inline_decode(xdr, 4); |
3306 | if (unlikely(!p)) | |
3307 | goto out_overflow; | |
cccddf4f | 3308 | *res = be32_to_cpup(p); |
1da177e4 LT |
3309 | bitmap[0] &= ~FATTR4_WORD0_LINK_SUPPORT; |
3310 | } | |
3110ff80 | 3311 | dprintk("%s: link support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 | 3312 | return 0; |
c0eae66e BH |
3313 | out_overflow: |
3314 | print_overflow_msg(__func__, xdr); | |
3315 | return -EIO; | |
1da177e4 LT |
3316 | } |
3317 | ||
3318 | static int decode_attr_symlink_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3319 | { | |
8687b63a | 3320 | __be32 *p; |
1da177e4 LT |
3321 | |
3322 | *res = 0; | |
3323 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SYMLINK_SUPPORT - 1U))) | |
3324 | return -EIO; | |
3325 | if (likely(bitmap[0] & FATTR4_WORD0_SYMLINK_SUPPORT)) { | |
c0eae66e BH |
3326 | p = xdr_inline_decode(xdr, 4); |
3327 | if (unlikely(!p)) | |
3328 | goto out_overflow; | |
cccddf4f | 3329 | *res = be32_to_cpup(p); |
1da177e4 LT |
3330 | bitmap[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT; |
3331 | } | |
3110ff80 | 3332 | dprintk("%s: symlink support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 | 3333 | return 0; |
c0eae66e BH |
3334 | out_overflow: |
3335 | print_overflow_msg(__func__, xdr); | |
3336 | return -EIO; | |
1da177e4 LT |
3337 | } |
3338 | ||
8b4bdcf8 | 3339 | static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fsid *fsid) |
1da177e4 | 3340 | { |
8687b63a | 3341 | __be32 *p; |
409924e4 | 3342 | int ret = 0; |
1da177e4 LT |
3343 | |
3344 | fsid->major = 0; | |
3345 | fsid->minor = 0; | |
3346 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FSID - 1U))) | |
3347 | return -EIO; | |
3348 | if (likely(bitmap[0] & FATTR4_WORD0_FSID)) { | |
c0eae66e BH |
3349 | p = xdr_inline_decode(xdr, 16); |
3350 | if (unlikely(!p)) | |
3351 | goto out_overflow; | |
3ceb4dbb | 3352 | p = xdr_decode_hyper(p, &fsid->major); |
cccddf4f | 3353 | xdr_decode_hyper(p, &fsid->minor); |
1da177e4 | 3354 | bitmap[0] &= ~FATTR4_WORD0_FSID; |
409924e4 | 3355 | ret = NFS_ATTR_FATTR_FSID; |
1da177e4 | 3356 | } |
3110ff80 | 3357 | dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __func__, |
1da177e4 LT |
3358 | (unsigned long long)fsid->major, |
3359 | (unsigned long long)fsid->minor); | |
409924e4 | 3360 | return ret; |
c0eae66e BH |
3361 | out_overflow: |
3362 | print_overflow_msg(__func__, xdr); | |
3363 | return -EIO; | |
1da177e4 LT |
3364 | } |
3365 | ||
3366 | static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3367 | { | |
8687b63a | 3368 | __be32 *p; |
1da177e4 LT |
3369 | |
3370 | *res = 60; | |
3371 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LEASE_TIME - 1U))) | |
3372 | return -EIO; | |
3373 | if (likely(bitmap[0] & FATTR4_WORD0_LEASE_TIME)) { | |
c0eae66e BH |
3374 | p = xdr_inline_decode(xdr, 4); |
3375 | if (unlikely(!p)) | |
3376 | goto out_overflow; | |
cccddf4f | 3377 | *res = be32_to_cpup(p); |
1da177e4 LT |
3378 | bitmap[0] &= ~FATTR4_WORD0_LEASE_TIME; |
3379 | } | |
3110ff80 | 3380 | dprintk("%s: file size=%u\n", __func__, (unsigned int)*res); |
1da177e4 | 3381 | return 0; |
c0eae66e BH |
3382 | out_overflow: |
3383 | print_overflow_msg(__func__, xdr); | |
3384 | return -EIO; | |
1da177e4 LT |
3385 | } |
3386 | ||
ee7b75fc | 3387 | static int decode_attr_error(struct xdr_stream *xdr, uint32_t *bitmap, int32_t *res) |
ae42c70a BS |
3388 | { |
3389 | __be32 *p; | |
3390 | ||
3391 | if (unlikely(bitmap[0] & (FATTR4_WORD0_RDATTR_ERROR - 1U))) | |
3392 | return -EIO; | |
3393 | if (likely(bitmap[0] & FATTR4_WORD0_RDATTR_ERROR)) { | |
3394 | p = xdr_inline_decode(xdr, 4); | |
3395 | if (unlikely(!p)) | |
3396 | goto out_overflow; | |
3397 | bitmap[0] &= ~FATTR4_WORD0_RDATTR_ERROR; | |
ee7b75fc | 3398 | *res = -be32_to_cpup(p); |
ae42c70a BS |
3399 | } |
3400 | return 0; | |
3401 | out_overflow: | |
3402 | print_overflow_msg(__func__, xdr); | |
3403 | return -EIO; | |
3404 | } | |
3405 | ||
8c61282f KM |
3406 | static int decode_attr_exclcreat_supported(struct xdr_stream *xdr, |
3407 | uint32_t *bitmap, uint32_t *bitmask) | |
3408 | { | |
3409 | if (likely(bitmap[2] & FATTR4_WORD2_SUPPATTR_EXCLCREAT)) { | |
3410 | int ret; | |
3411 | ret = decode_attr_bitmap(xdr, bitmask); | |
3412 | if (unlikely(ret < 0)) | |
3413 | return ret; | |
3414 | bitmap[2] &= ~FATTR4_WORD2_SUPPATTR_EXCLCREAT; | |
3415 | } else | |
3416 | bitmask[0] = bitmask[1] = bitmask[2] = 0; | |
3417 | dprintk("%s: bitmask=%08x:%08x:%08x\n", __func__, | |
3418 | bitmask[0], bitmask[1], bitmask[2]); | |
3419 | return 0; | |
3420 | } | |
3421 | ||
ae42c70a BS |
3422 | static int decode_attr_filehandle(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fh *fh) |
3423 | { | |
3424 | __be32 *p; | |
3425 | int len; | |
3426 | ||
7ad07353 TM |
3427 | if (fh != NULL) |
3428 | memset(fh, 0, sizeof(*fh)); | |
ae42c70a BS |
3429 | |
3430 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEHANDLE - 1U))) | |
3431 | return -EIO; | |
3432 | if (likely(bitmap[0] & FATTR4_WORD0_FILEHANDLE)) { | |
3433 | p = xdr_inline_decode(xdr, 4); | |
3434 | if (unlikely(!p)) | |
3435 | goto out_overflow; | |
3436 | len = be32_to_cpup(p); | |
3437 | if (len > NFS4_FHSIZE) | |
3438 | return -EIO; | |
ae42c70a BS |
3439 | p = xdr_inline_decode(xdr, len); |
3440 | if (unlikely(!p)) | |
3441 | goto out_overflow; | |
7ad07353 TM |
3442 | if (fh != NULL) { |
3443 | memcpy(fh->data, p, len); | |
3444 | fh->size = len; | |
3445 | } | |
ae42c70a BS |
3446 | bitmap[0] &= ~FATTR4_WORD0_FILEHANDLE; |
3447 | } | |
3448 | return 0; | |
3449 | out_overflow: | |
3450 | print_overflow_msg(__func__, xdr); | |
3451 | return -EIO; | |
3452 | } | |
3453 | ||
1da177e4 LT |
3454 | static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) |
3455 | { | |
8687b63a | 3456 | __be32 *p; |
1da177e4 | 3457 | |
a1800aca | 3458 | *res = 0; |
1da177e4 LT |
3459 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACLSUPPORT - 1U))) |
3460 | return -EIO; | |
3461 | if (likely(bitmap[0] & FATTR4_WORD0_ACLSUPPORT)) { | |
c0eae66e BH |
3462 | p = xdr_inline_decode(xdr, 4); |
3463 | if (unlikely(!p)) | |
3464 | goto out_overflow; | |
cccddf4f | 3465 | *res = be32_to_cpup(p); |
1da177e4 LT |
3466 | bitmap[0] &= ~FATTR4_WORD0_ACLSUPPORT; |
3467 | } | |
3110ff80 | 3468 | dprintk("%s: ACLs supported=%u\n", __func__, (unsigned int)*res); |
1da177e4 | 3469 | return 0; |
c0eae66e BH |
3470 | out_overflow: |
3471 | print_overflow_msg(__func__, xdr); | |
3472 | return -EIO; | |
1da177e4 LT |
3473 | } |
3474 | ||
3475 | static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) | |
3476 | { | |
8687b63a | 3477 | __be32 *p; |
409924e4 | 3478 | int ret = 0; |
1da177e4 LT |
3479 | |
3480 | *fileid = 0; | |
3481 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEID - 1U))) | |
3482 | return -EIO; | |
3483 | if (likely(bitmap[0] & FATTR4_WORD0_FILEID)) { | |
c0eae66e BH |
3484 | p = xdr_inline_decode(xdr, 8); |
3485 | if (unlikely(!p)) | |
3486 | goto out_overflow; | |
cccddf4f | 3487 | xdr_decode_hyper(p, fileid); |
1da177e4 | 3488 | bitmap[0] &= ~FATTR4_WORD0_FILEID; |
409924e4 | 3489 | ret = NFS_ATTR_FATTR_FILEID; |
1da177e4 | 3490 | } |
3110ff80 | 3491 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
409924e4 | 3492 | return ret; |
c0eae66e BH |
3493 | out_overflow: |
3494 | print_overflow_msg(__func__, xdr); | |
3495 | return -EIO; | |
1da177e4 LT |
3496 | } |
3497 | ||
99baf625 MN |
3498 | static int decode_attr_mounted_on_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) |
3499 | { | |
8687b63a | 3500 | __be32 *p; |
409924e4 | 3501 | int ret = 0; |
99baf625 MN |
3502 | |
3503 | *fileid = 0; | |
3504 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MOUNTED_ON_FILEID - 1U))) | |
3505 | return -EIO; | |
3506 | if (likely(bitmap[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) { | |
c0eae66e BH |
3507 | p = xdr_inline_decode(xdr, 8); |
3508 | if (unlikely(!p)) | |
3509 | goto out_overflow; | |
cccddf4f | 3510 | xdr_decode_hyper(p, fileid); |
99baf625 | 3511 | bitmap[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID; |
28331a46 | 3512 | ret = NFS_ATTR_FATTR_MOUNTED_ON_FILEID; |
99baf625 | 3513 | } |
3110ff80 | 3514 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
409924e4 | 3515 | return ret; |
c0eae66e BH |
3516 | out_overflow: |
3517 | print_overflow_msg(__func__, xdr); | |
3518 | return -EIO; | |
99baf625 MN |
3519 | } |
3520 | ||
1da177e4 LT |
3521 | static int decode_attr_files_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
3522 | { | |
8687b63a | 3523 | __be32 *p; |
1da177e4 LT |
3524 | int status = 0; |
3525 | ||
3526 | *res = 0; | |
3527 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_AVAIL - 1U))) | |
3528 | return -EIO; | |
3529 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_AVAIL)) { | |
c0eae66e BH |
3530 | p = xdr_inline_decode(xdr, 8); |
3531 | if (unlikely(!p)) | |
3532 | goto out_overflow; | |
cccddf4f | 3533 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3534 | bitmap[0] &= ~FATTR4_WORD0_FILES_AVAIL; |
3535 | } | |
3110ff80 | 3536 | dprintk("%s: files avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3537 | return status; |
c0eae66e BH |
3538 | out_overflow: |
3539 | print_overflow_msg(__func__, xdr); | |
3540 | return -EIO; | |
1da177e4 LT |
3541 | } |
3542 | ||
3543 | static int decode_attr_files_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3544 | { | |
8687b63a | 3545 | __be32 *p; |
1da177e4 LT |
3546 | int status = 0; |
3547 | ||
3548 | *res = 0; | |
3549 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_FREE - 1U))) | |
3550 | return -EIO; | |
3551 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_FREE)) { | |
c0eae66e BH |
3552 | p = xdr_inline_decode(xdr, 8); |
3553 | if (unlikely(!p)) | |
3554 | goto out_overflow; | |
cccddf4f | 3555 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3556 | bitmap[0] &= ~FATTR4_WORD0_FILES_FREE; |
3557 | } | |
3110ff80 | 3558 | dprintk("%s: files free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3559 | return status; |
c0eae66e BH |
3560 | out_overflow: |
3561 | print_overflow_msg(__func__, xdr); | |
3562 | return -EIO; | |
1da177e4 LT |
3563 | } |
3564 | ||
3565 | static int decode_attr_files_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3566 | { | |
8687b63a | 3567 | __be32 *p; |
1da177e4 LT |
3568 | int status = 0; |
3569 | ||
3570 | *res = 0; | |
3571 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_TOTAL - 1U))) | |
3572 | return -EIO; | |
3573 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_TOTAL)) { | |
c0eae66e BH |
3574 | p = xdr_inline_decode(xdr, 8); |
3575 | if (unlikely(!p)) | |
3576 | goto out_overflow; | |
cccddf4f | 3577 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3578 | bitmap[0] &= ~FATTR4_WORD0_FILES_TOTAL; |
3579 | } | |
3110ff80 | 3580 | dprintk("%s: files total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3581 | return status; |
c0eae66e BH |
3582 | out_overflow: |
3583 | print_overflow_msg(__func__, xdr); | |
3584 | return -EIO; | |
1da177e4 LT |
3585 | } |
3586 | ||
7aaa0b3b MN |
3587 | static int decode_pathname(struct xdr_stream *xdr, struct nfs4_pathname *path) |
3588 | { | |
464ad6b1 | 3589 | u32 n; |
8687b63a | 3590 | __be32 *p; |
7aaa0b3b MN |
3591 | int status = 0; |
3592 | ||
c0eae66e BH |
3593 | p = xdr_inline_decode(xdr, 4); |
3594 | if (unlikely(!p)) | |
3595 | goto out_overflow; | |
cccddf4f | 3596 | n = be32_to_cpup(p); |
33a43f28 AA |
3597 | if (n == 0) |
3598 | goto root_path; | |
02a2976c | 3599 | dprintk("pathname4: "); |
809b426c TM |
3600 | if (n > NFS4_PATHNAME_MAXCOMPONENTS) { |
3601 | dprintk("cannot parse %d components in path\n", n); | |
3602 | goto out_eio; | |
3603 | } | |
3604 | for (path->ncomponents = 0; path->ncomponents < n; path->ncomponents++) { | |
7aaa0b3b MN |
3605 | struct nfs4_string *component = &path->components[path->ncomponents]; |
3606 | status = decode_opaque_inline(xdr, &component->len, &component->data); | |
3607 | if (unlikely(status != 0)) | |
3608 | goto out_eio; | |
95a13f7b | 3609 | ifdebug (XDR) |
02a2976c CL |
3610 | pr_cont("%s%.*s ", |
3611 | (path->ncomponents != n ? "/ " : ""), | |
3612 | component->len, component->data); | |
7aaa0b3b MN |
3613 | } |
3614 | out: | |
7aaa0b3b | 3615 | return status; |
33a43f28 AA |
3616 | root_path: |
3617 | /* a root pathname is sent as a zero component4 */ | |
3618 | path->ncomponents = 1; | |
3619 | path->components[0].len=0; | |
3620 | path->components[0].data=NULL; | |
02a2976c | 3621 | dprintk("pathname4: /\n"); |
33a43f28 | 3622 | goto out; |
7aaa0b3b MN |
3623 | out_eio: |
3624 | dprintk(" status %d", status); | |
3625 | status = -EIO; | |
3626 | goto out; | |
c0eae66e BH |
3627 | out_overflow: |
3628 | print_overflow_msg(__func__, xdr); | |
3629 | return -EIO; | |
7aaa0b3b MN |
3630 | } |
3631 | ||
3632 | static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_fs_locations *res) | |
683b57b4 TM |
3633 | { |
3634 | int n; | |
8687b63a | 3635 | __be32 *p; |
683b57b4 TM |
3636 | int status = -EIO; |
3637 | ||
3638 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FS_LOCATIONS -1U))) | |
3639 | goto out; | |
3640 | status = 0; | |
3641 | if (unlikely(!(bitmap[0] & FATTR4_WORD0_FS_LOCATIONS))) | |
3642 | goto out; | |
f54423a1 | 3643 | bitmap[0] &= ~FATTR4_WORD0_FS_LOCATIONS; |
8b7e3f49 TM |
3644 | status = -EIO; |
3645 | /* Ignore borken servers that return unrequested attrs */ | |
3646 | if (unlikely(res == NULL)) | |
3647 | goto out; | |
02a2976c | 3648 | dprintk("%s: fsroot:\n", __func__); |
7aaa0b3b | 3649 | status = decode_pathname(xdr, &res->fs_path); |
683b57b4 TM |
3650 | if (unlikely(status != 0)) |
3651 | goto out; | |
c0eae66e BH |
3652 | p = xdr_inline_decode(xdr, 4); |
3653 | if (unlikely(!p)) | |
3654 | goto out_overflow; | |
cccddf4f | 3655 | n = be32_to_cpup(p); |
683b57b4 TM |
3656 | if (n <= 0) |
3657 | goto out_eio; | |
809b426c | 3658 | for (res->nlocations = 0; res->nlocations < n; res->nlocations++) { |
464ad6b1 | 3659 | u32 m; |
809b426c | 3660 | struct nfs4_fs_location *loc; |
683b57b4 | 3661 | |
809b426c TM |
3662 | if (res->nlocations == NFS4_FS_LOCATIONS_MAXENTRIES) |
3663 | break; | |
3664 | loc = &res->locations[res->nlocations]; | |
c0eae66e BH |
3665 | p = xdr_inline_decode(xdr, 4); |
3666 | if (unlikely(!p)) | |
3667 | goto out_overflow; | |
cccddf4f | 3668 | m = be32_to_cpup(p); |
7aaa0b3b | 3669 | |
02a2976c | 3670 | dprintk("%s: servers:\n", __func__); |
809b426c TM |
3671 | for (loc->nservers = 0; loc->nservers < m; loc->nservers++) { |
3672 | struct nfs4_string *server; | |
3673 | ||
3674 | if (loc->nservers == NFS4_FS_LOCATION_MAXSERVERS) { | |
464ad6b1 CL |
3675 | unsigned int i; |
3676 | dprintk("%s: using first %u of %u servers " | |
3677 | "returned for location %u\n", | |
3110ff80 | 3678 | __func__, |
464ad6b1 CL |
3679 | NFS4_FS_LOCATION_MAXSERVERS, |
3680 | m, res->nlocations); | |
7aaa0b3b | 3681 | for (i = loc->nservers; i < m; i++) { |
2e42c3e2 | 3682 | unsigned int len; |
7aaa0b3b MN |
3683 | char *data; |
3684 | status = decode_opaque_inline(xdr, &len, &data); | |
3685 | if (unlikely(status != 0)) | |
3686 | goto out_eio; | |
3687 | } | |
809b426c | 3688 | break; |
7aaa0b3b | 3689 | } |
809b426c TM |
3690 | server = &loc->servers[loc->nservers]; |
3691 | status = decode_opaque_inline(xdr, &server->len, &server->data); | |
3692 | if (unlikely(status != 0)) | |
3693 | goto out_eio; | |
3694 | dprintk("%s ", server->data); | |
7aaa0b3b MN |
3695 | } |
3696 | status = decode_pathname(xdr, &loc->rootpath); | |
683b57b4 TM |
3697 | if (unlikely(status != 0)) |
3698 | goto out_eio; | |
683b57b4 | 3699 | } |
409924e4 | 3700 | if (res->nlocations != 0) |
81934ddb | 3701 | status = NFS_ATTR_FATTR_V4_LOCATIONS; |
683b57b4 | 3702 | out: |
3110ff80 | 3703 | dprintk("%s: fs_locations done, error = %d\n", __func__, status); |
683b57b4 | 3704 | return status; |
c0eae66e BH |
3705 | out_overflow: |
3706 | print_overflow_msg(__func__, xdr); | |
683b57b4 TM |
3707 | out_eio: |
3708 | status = -EIO; | |
3709 | goto out; | |
3710 | } | |
3711 | ||
1da177e4 LT |
3712 | static int decode_attr_maxfilesize(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
3713 | { | |
8687b63a | 3714 | __be32 *p; |
1da177e4 LT |
3715 | int status = 0; |
3716 | ||
3717 | *res = 0; | |
3718 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXFILESIZE - 1U))) | |
3719 | return -EIO; | |
3720 | if (likely(bitmap[0] & FATTR4_WORD0_MAXFILESIZE)) { | |
c0eae66e BH |
3721 | p = xdr_inline_decode(xdr, 8); |
3722 | if (unlikely(!p)) | |
3723 | goto out_overflow; | |
cccddf4f | 3724 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3725 | bitmap[0] &= ~FATTR4_WORD0_MAXFILESIZE; |
3726 | } | |
3110ff80 | 3727 | dprintk("%s: maxfilesize=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3728 | return status; |
c0eae66e BH |
3729 | out_overflow: |
3730 | print_overflow_msg(__func__, xdr); | |
3731 | return -EIO; | |
1da177e4 LT |
3732 | } |
3733 | ||
3734 | static int decode_attr_maxlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxlink) | |
3735 | { | |
8687b63a | 3736 | __be32 *p; |
1da177e4 LT |
3737 | int status = 0; |
3738 | ||
3739 | *maxlink = 1; | |
3740 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXLINK - 1U))) | |
3741 | return -EIO; | |
3742 | if (likely(bitmap[0] & FATTR4_WORD0_MAXLINK)) { | |
c0eae66e BH |
3743 | p = xdr_inline_decode(xdr, 4); |
3744 | if (unlikely(!p)) | |
3745 | goto out_overflow; | |
cccddf4f | 3746 | *maxlink = be32_to_cpup(p); |
1da177e4 LT |
3747 | bitmap[0] &= ~FATTR4_WORD0_MAXLINK; |
3748 | } | |
3110ff80 | 3749 | dprintk("%s: maxlink=%u\n", __func__, *maxlink); |
1da177e4 | 3750 | return status; |
c0eae66e BH |
3751 | out_overflow: |
3752 | print_overflow_msg(__func__, xdr); | |
3753 | return -EIO; | |
1da177e4 LT |
3754 | } |
3755 | ||
3756 | static int decode_attr_maxname(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxname) | |
3757 | { | |
8687b63a | 3758 | __be32 *p; |
1da177e4 LT |
3759 | int status = 0; |
3760 | ||
3761 | *maxname = 1024; | |
3762 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXNAME - 1U))) | |
3763 | return -EIO; | |
3764 | if (likely(bitmap[0] & FATTR4_WORD0_MAXNAME)) { | |
c0eae66e BH |
3765 | p = xdr_inline_decode(xdr, 4); |
3766 | if (unlikely(!p)) | |
3767 | goto out_overflow; | |
cccddf4f | 3768 | *maxname = be32_to_cpup(p); |
1da177e4 LT |
3769 | bitmap[0] &= ~FATTR4_WORD0_MAXNAME; |
3770 | } | |
3110ff80 | 3771 | dprintk("%s: maxname=%u\n", __func__, *maxname); |
1da177e4 | 3772 | return status; |
c0eae66e BH |
3773 | out_overflow: |
3774 | print_overflow_msg(__func__, xdr); | |
3775 | return -EIO; | |
1da177e4 LT |
3776 | } |
3777 | ||
3778 | static int decode_attr_maxread(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3779 | { | |
8687b63a | 3780 | __be32 *p; |
1da177e4 LT |
3781 | int status = 0; |
3782 | ||
3783 | *res = 1024; | |
3784 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXREAD - 1U))) | |
3785 | return -EIO; | |
3786 | if (likely(bitmap[0] & FATTR4_WORD0_MAXREAD)) { | |
3787 | uint64_t maxread; | |
c0eae66e BH |
3788 | p = xdr_inline_decode(xdr, 8); |
3789 | if (unlikely(!p)) | |
3790 | goto out_overflow; | |
cccddf4f | 3791 | xdr_decode_hyper(p, &maxread); |
1da177e4 LT |
3792 | if (maxread > 0x7FFFFFFF) |
3793 | maxread = 0x7FFFFFFF; | |
3794 | *res = (uint32_t)maxread; | |
3795 | bitmap[0] &= ~FATTR4_WORD0_MAXREAD; | |
3796 | } | |
3110ff80 | 3797 | dprintk("%s: maxread=%lu\n", __func__, (unsigned long)*res); |
1da177e4 | 3798 | return status; |
c0eae66e BH |
3799 | out_overflow: |
3800 | print_overflow_msg(__func__, xdr); | |
3801 | return -EIO; | |
1da177e4 LT |
3802 | } |
3803 | ||
3804 | static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3805 | { | |
8687b63a | 3806 | __be32 *p; |
1da177e4 LT |
3807 | int status = 0; |
3808 | ||
3809 | *res = 1024; | |
3810 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXWRITE - 1U))) | |
3811 | return -EIO; | |
3812 | if (likely(bitmap[0] & FATTR4_WORD0_MAXWRITE)) { | |
3813 | uint64_t maxwrite; | |
c0eae66e BH |
3814 | p = xdr_inline_decode(xdr, 8); |
3815 | if (unlikely(!p)) | |
3816 | goto out_overflow; | |
cccddf4f | 3817 | xdr_decode_hyper(p, &maxwrite); |
1da177e4 LT |
3818 | if (maxwrite > 0x7FFFFFFF) |
3819 | maxwrite = 0x7FFFFFFF; | |
3820 | *res = (uint32_t)maxwrite; | |
3821 | bitmap[0] &= ~FATTR4_WORD0_MAXWRITE; | |
3822 | } | |
3110ff80 | 3823 | dprintk("%s: maxwrite=%lu\n", __func__, (unsigned long)*res); |
1da177e4 | 3824 | return status; |
c0eae66e BH |
3825 | out_overflow: |
3826 | print_overflow_msg(__func__, xdr); | |
3827 | return -EIO; | |
1da177e4 LT |
3828 | } |
3829 | ||
bca79478 | 3830 | static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, umode_t *mode) |
1da177e4 | 3831 | { |
bca79478 | 3832 | uint32_t tmp; |
8687b63a | 3833 | __be32 *p; |
409924e4 | 3834 | int ret = 0; |
1da177e4 LT |
3835 | |
3836 | *mode = 0; | |
3837 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MODE - 1U))) | |
3838 | return -EIO; | |
3839 | if (likely(bitmap[1] & FATTR4_WORD1_MODE)) { | |
c0eae66e BH |
3840 | p = xdr_inline_decode(xdr, 4); |
3841 | if (unlikely(!p)) | |
3842 | goto out_overflow; | |
cccddf4f | 3843 | tmp = be32_to_cpup(p); |
bca79478 | 3844 | *mode = tmp & ~S_IFMT; |
1da177e4 | 3845 | bitmap[1] &= ~FATTR4_WORD1_MODE; |
409924e4 | 3846 | ret = NFS_ATTR_FATTR_MODE; |
1da177e4 | 3847 | } |
3110ff80 | 3848 | dprintk("%s: file mode=0%o\n", __func__, (unsigned int)*mode); |
409924e4 | 3849 | return ret; |
c0eae66e BH |
3850 | out_overflow: |
3851 | print_overflow_msg(__func__, xdr); | |
3852 | return -EIO; | |
1da177e4 LT |
3853 | } |
3854 | ||
3855 | static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *nlink) | |
3856 | { | |
8687b63a | 3857 | __be32 *p; |
409924e4 | 3858 | int ret = 0; |
1da177e4 LT |
3859 | |
3860 | *nlink = 1; | |
3861 | if (unlikely(bitmap[1] & (FATTR4_WORD1_NUMLINKS - 1U))) | |
3862 | return -EIO; | |
3863 | if (likely(bitmap[1] & FATTR4_WORD1_NUMLINKS)) { | |
c0eae66e BH |
3864 | p = xdr_inline_decode(xdr, 4); |
3865 | if (unlikely(!p)) | |
3866 | goto out_overflow; | |
cccddf4f | 3867 | *nlink = be32_to_cpup(p); |
1da177e4 | 3868 | bitmap[1] &= ~FATTR4_WORD1_NUMLINKS; |
409924e4 | 3869 | ret = NFS_ATTR_FATTR_NLINK; |
1da177e4 | 3870 | } |
3110ff80 | 3871 | dprintk("%s: nlink=%u\n", __func__, (unsigned int)*nlink); |
409924e4 | 3872 | return ret; |
c0eae66e BH |
3873 | out_overflow: |
3874 | print_overflow_msg(__func__, xdr); | |
3875 | return -EIO; | |
1da177e4 LT |
3876 | } |
3877 | ||
686a816a TM |
3878 | static ssize_t decode_nfs4_string(struct xdr_stream *xdr, |
3879 | struct nfs4_string *name, gfp_t gfp_flags) | |
3880 | { | |
3881 | ssize_t ret; | |
3882 | ||
3883 | ret = xdr_stream_decode_string_dup(xdr, &name->data, | |
3884 | XDR_MAX_NETOBJ, gfp_flags); | |
3885 | name->len = 0; | |
3886 | if (ret > 0) | |
3887 | name->len = ret; | |
3888 | return ret; | |
3889 | } | |
3890 | ||
80e52ace | 3891 | static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, |
e5782076 | 3892 | const struct nfs_server *server, kuid_t *uid, |
6926afd1 | 3893 | struct nfs4_string *owner_name) |
1da177e4 | 3894 | { |
686a816a TM |
3895 | ssize_t len; |
3896 | char *p; | |
1da177e4 | 3897 | |
e5782076 | 3898 | *uid = make_kuid(&init_user_ns, -2); |
1da177e4 LT |
3899 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER - 1U))) |
3900 | return -EIO; | |
686a816a TM |
3901 | if (!(bitmap[1] & FATTR4_WORD1_OWNER)) |
3902 | return 0; | |
3903 | bitmap[1] &= ~FATTR4_WORD1_OWNER; | |
3904 | ||
3905 | if (owner_name != NULL) { | |
3906 | len = decode_nfs4_string(xdr, owner_name, GFP_NOWAIT); | |
3907 | if (len <= 0) | |
3908 | goto out; | |
3909 | dprintk("%s: name=%s\n", __func__, owner_name->data); | |
3910 | return NFS_ATTR_FATTR_OWNER_NAME; | |
3911 | } else { | |
3912 | len = xdr_stream_decode_opaque_inline(xdr, (void **)&p, | |
3913 | XDR_MAX_NETOBJ); | |
3914 | if (len <= 0 || nfs_map_name_to_uid(server, p, len, uid) != 0) | |
3915 | goto out; | |
3916 | dprintk("%s: uid=%d\n", __func__, (int)from_kuid(&init_user_ns, *uid)); | |
3917 | return NFS_ATTR_FATTR_OWNER; | |
1da177e4 | 3918 | } |
686a816a TM |
3919 | out: |
3920 | if (len != -EBADMSG) | |
3921 | return 0; | |
c0eae66e BH |
3922 | print_overflow_msg(__func__, xdr); |
3923 | return -EIO; | |
1da177e4 LT |
3924 | } |
3925 | ||
80e52ace | 3926 | static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, |
e5782076 | 3927 | const struct nfs_server *server, kgid_t *gid, |
6926afd1 | 3928 | struct nfs4_string *group_name) |
1da177e4 | 3929 | { |
686a816a TM |
3930 | ssize_t len; |
3931 | char *p; | |
1da177e4 | 3932 | |
e5782076 | 3933 | *gid = make_kgid(&init_user_ns, -2); |
1da177e4 LT |
3934 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER_GROUP - 1U))) |
3935 | return -EIO; | |
686a816a TM |
3936 | if (!(bitmap[1] & FATTR4_WORD1_OWNER_GROUP)) |
3937 | return 0; | |
3938 | bitmap[1] &= ~FATTR4_WORD1_OWNER_GROUP; | |
3939 | ||
3940 | if (group_name != NULL) { | |
3941 | len = decode_nfs4_string(xdr, group_name, GFP_NOWAIT); | |
3942 | if (len <= 0) | |
3943 | goto out; | |
3944 | dprintk("%s: name=%s\n", __func__, group_name->data); | |
6f1f6220 | 3945 | return NFS_ATTR_FATTR_GROUP_NAME; |
686a816a TM |
3946 | } else { |
3947 | len = xdr_stream_decode_opaque_inline(xdr, (void **)&p, | |
3948 | XDR_MAX_NETOBJ); | |
3949 | if (len <= 0 || nfs_map_group_to_gid(server, p, len, gid) != 0) | |
3950 | goto out; | |
3951 | dprintk("%s: gid=%d\n", __func__, (int)from_kgid(&init_user_ns, *gid)); | |
3952 | return NFS_ATTR_FATTR_GROUP; | |
1da177e4 | 3953 | } |
686a816a TM |
3954 | out: |
3955 | if (len != -EBADMSG) | |
3956 | return 0; | |
c0eae66e BH |
3957 | print_overflow_msg(__func__, xdr); |
3958 | return -EIO; | |
1da177e4 LT |
3959 | } |
3960 | ||
3961 | static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rdev) | |
3962 | { | |
8687b63a AV |
3963 | uint32_t major = 0, minor = 0; |
3964 | __be32 *p; | |
409924e4 | 3965 | int ret = 0; |
1da177e4 LT |
3966 | |
3967 | *rdev = MKDEV(0,0); | |
3968 | if (unlikely(bitmap[1] & (FATTR4_WORD1_RAWDEV - 1U))) | |
3969 | return -EIO; | |
3970 | if (likely(bitmap[1] & FATTR4_WORD1_RAWDEV)) { | |
3971 | dev_t tmp; | |
3972 | ||
c0eae66e BH |
3973 | p = xdr_inline_decode(xdr, 8); |
3974 | if (unlikely(!p)) | |
3975 | goto out_overflow; | |
6f723f77 | 3976 | major = be32_to_cpup(p++); |
cccddf4f | 3977 | minor = be32_to_cpup(p); |
1da177e4 LT |
3978 | tmp = MKDEV(major, minor); |
3979 | if (MAJOR(tmp) == major && MINOR(tmp) == minor) | |
3980 | *rdev = tmp; | |
3981 | bitmap[1] &= ~ FATTR4_WORD1_RAWDEV; | |
409924e4 | 3982 | ret = NFS_ATTR_FATTR_RDEV; |
1da177e4 | 3983 | } |
3110ff80 | 3984 | dprintk("%s: rdev=(0x%x:0x%x)\n", __func__, major, minor); |
409924e4 | 3985 | return ret; |
c0eae66e BH |
3986 | out_overflow: |
3987 | print_overflow_msg(__func__, xdr); | |
3988 | return -EIO; | |
1da177e4 LT |
3989 | } |
3990 | ||
3991 | static int decode_attr_space_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3992 | { | |
8687b63a | 3993 | __be32 *p; |
1da177e4 LT |
3994 | int status = 0; |
3995 | ||
3996 | *res = 0; | |
3997 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_AVAIL - 1U))) | |
3998 | return -EIO; | |
3999 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_AVAIL)) { | |
c0eae66e BH |
4000 | p = xdr_inline_decode(xdr, 8); |
4001 | if (unlikely(!p)) | |
4002 | goto out_overflow; | |
cccddf4f | 4003 | xdr_decode_hyper(p, res); |
1da177e4 LT |
4004 | bitmap[1] &= ~FATTR4_WORD1_SPACE_AVAIL; |
4005 | } | |
3110ff80 | 4006 | dprintk("%s: space avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 4007 | return status; |
c0eae66e BH |
4008 | out_overflow: |
4009 | print_overflow_msg(__func__, xdr); | |
4010 | return -EIO; | |
1da177e4 LT |
4011 | } |
4012 | ||
4013 | static int decode_attr_space_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
4014 | { | |
8687b63a | 4015 | __be32 *p; |
1da177e4 LT |
4016 | int status = 0; |
4017 | ||
4018 | *res = 0; | |
4019 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_FREE - 1U))) | |
4020 | return -EIO; | |
4021 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_FREE)) { | |
c0eae66e BH |
4022 | p = xdr_inline_decode(xdr, 8); |
4023 | if (unlikely(!p)) | |
4024 | goto out_overflow; | |
cccddf4f | 4025 | xdr_decode_hyper(p, res); |
1da177e4 LT |
4026 | bitmap[1] &= ~FATTR4_WORD1_SPACE_FREE; |
4027 | } | |
3110ff80 | 4028 | dprintk("%s: space free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 4029 | return status; |
c0eae66e BH |
4030 | out_overflow: |
4031 | print_overflow_msg(__func__, xdr); | |
4032 | return -EIO; | |
1da177e4 LT |
4033 | } |
4034 | ||
4035 | static int decode_attr_space_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
4036 | { | |
8687b63a | 4037 | __be32 *p; |
1da177e4 LT |
4038 | int status = 0; |
4039 | ||
4040 | *res = 0; | |
4041 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_TOTAL - 1U))) | |
4042 | return -EIO; | |
4043 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_TOTAL)) { | |
c0eae66e BH |
4044 | p = xdr_inline_decode(xdr, 8); |
4045 | if (unlikely(!p)) | |
4046 | goto out_overflow; | |
cccddf4f | 4047 | xdr_decode_hyper(p, res); |
1da177e4 LT |
4048 | bitmap[1] &= ~FATTR4_WORD1_SPACE_TOTAL; |
4049 | } | |
3110ff80 | 4050 | dprintk("%s: space total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 4051 | return status; |
c0eae66e BH |
4052 | out_overflow: |
4053 | print_overflow_msg(__func__, xdr); | |
4054 | return -EIO; | |
1da177e4 LT |
4055 | } |
4056 | ||
4057 | static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *used) | |
4058 | { | |
8687b63a | 4059 | __be32 *p; |
409924e4 | 4060 | int ret = 0; |
1da177e4 LT |
4061 | |
4062 | *used = 0; | |
4063 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_USED - 1U))) | |
4064 | return -EIO; | |
4065 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_USED)) { | |
c0eae66e BH |
4066 | p = xdr_inline_decode(xdr, 8); |
4067 | if (unlikely(!p)) | |
4068 | goto out_overflow; | |
cccddf4f | 4069 | xdr_decode_hyper(p, used); |
1da177e4 | 4070 | bitmap[1] &= ~FATTR4_WORD1_SPACE_USED; |
409924e4 | 4071 | ret = NFS_ATTR_FATTR_SPACE_USED; |
1da177e4 | 4072 | } |
3110ff80 | 4073 | dprintk("%s: space used=%Lu\n", __func__, |
1da177e4 | 4074 | (unsigned long long)*used); |
409924e4 | 4075 | return ret; |
c0eae66e BH |
4076 | out_overflow: |
4077 | print_overflow_msg(__func__, xdr); | |
4078 | return -EIO; | |
1da177e4 LT |
4079 | } |
4080 | ||
4081 | static int decode_attr_time(struct xdr_stream *xdr, struct timespec *time) | |
4082 | { | |
8687b63a | 4083 | __be32 *p; |
1da177e4 LT |
4084 | uint64_t sec; |
4085 | uint32_t nsec; | |
4086 | ||
c0eae66e BH |
4087 | p = xdr_inline_decode(xdr, 12); |
4088 | if (unlikely(!p)) | |
4089 | goto out_overflow; | |
3ceb4dbb | 4090 | p = xdr_decode_hyper(p, &sec); |
cccddf4f | 4091 | nsec = be32_to_cpup(p); |
1da177e4 LT |
4092 | time->tv_sec = (time_t)sec; |
4093 | time->tv_nsec = (long)nsec; | |
4094 | return 0; | |
c0eae66e BH |
4095 | out_overflow: |
4096 | print_overflow_msg(__func__, xdr); | |
4097 | return -EIO; | |
1da177e4 LT |
4098 | } |
4099 | ||
4100 | static int decode_attr_time_access(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
4101 | { | |
4102 | int status = 0; | |
4103 | ||
4104 | time->tv_sec = 0; | |
4105 | time->tv_nsec = 0; | |
4106 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_ACCESS - 1U))) | |
4107 | return -EIO; | |
4108 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_ACCESS)) { | |
4109 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4110 | if (status == 0) |
4111 | status = NFS_ATTR_FATTR_ATIME; | |
1da177e4 LT |
4112 | bitmap[1] &= ~FATTR4_WORD1_TIME_ACCESS; |
4113 | } | |
3110ff80 | 4114 | dprintk("%s: atime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
4115 | return status; |
4116 | } | |
4117 | ||
4118 | static int decode_attr_time_metadata(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
4119 | { | |
4120 | int status = 0; | |
4121 | ||
4122 | time->tv_sec = 0; | |
4123 | time->tv_nsec = 0; | |
4124 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_METADATA - 1U))) | |
4125 | return -EIO; | |
4126 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_METADATA)) { | |
4127 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4128 | if (status == 0) |
4129 | status = NFS_ATTR_FATTR_CTIME; | |
1da177e4 LT |
4130 | bitmap[1] &= ~FATTR4_WORD1_TIME_METADATA; |
4131 | } | |
3110ff80 | 4132 | dprintk("%s: ctime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
4133 | return status; |
4134 | } | |
4135 | ||
55b6e774 RL |
4136 | static int decode_attr_time_delta(struct xdr_stream *xdr, uint32_t *bitmap, |
4137 | struct timespec *time) | |
4138 | { | |
4139 | int status = 0; | |
4140 | ||
4141 | time->tv_sec = 0; | |
4142 | time->tv_nsec = 0; | |
4143 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_DELTA - 1U))) | |
4144 | return -EIO; | |
4145 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_DELTA)) { | |
4146 | status = decode_attr_time(xdr, time); | |
4147 | bitmap[1] &= ~FATTR4_WORD1_TIME_DELTA; | |
4148 | } | |
4149 | dprintk("%s: time_delta=%ld %ld\n", __func__, (long)time->tv_sec, | |
4150 | (long)time->tv_nsec); | |
4151 | return status; | |
4152 | } | |
4153 | ||
aa9c2669 DQ |
4154 | static int decode_attr_security_label(struct xdr_stream *xdr, uint32_t *bitmap, |
4155 | struct nfs4_label *label) | |
4156 | { | |
4157 | uint32_t pi = 0; | |
4158 | uint32_t lfs = 0; | |
4159 | __u32 len; | |
4160 | __be32 *p; | |
4161 | int status = 0; | |
4162 | ||
4163 | if (unlikely(bitmap[2] & (FATTR4_WORD2_SECURITY_LABEL - 1U))) | |
4164 | return -EIO; | |
4165 | if (likely(bitmap[2] & FATTR4_WORD2_SECURITY_LABEL)) { | |
4166 | p = xdr_inline_decode(xdr, 4); | |
4167 | if (unlikely(!p)) | |
4168 | goto out_overflow; | |
4169 | lfs = be32_to_cpup(p++); | |
4170 | p = xdr_inline_decode(xdr, 4); | |
4171 | if (unlikely(!p)) | |
4172 | goto out_overflow; | |
4173 | pi = be32_to_cpup(p++); | |
4174 | p = xdr_inline_decode(xdr, 4); | |
4175 | if (unlikely(!p)) | |
4176 | goto out_overflow; | |
4177 | len = be32_to_cpup(p++); | |
4178 | p = xdr_inline_decode(xdr, len); | |
4179 | if (unlikely(!p)) | |
4180 | goto out_overflow; | |
4181 | if (len < NFS4_MAXLABELLEN) { | |
4182 | if (label) { | |
4183 | memcpy(label->label, p, len); | |
4184 | label->len = len; | |
4185 | label->pi = pi; | |
4186 | label->lfs = lfs; | |
4187 | status = NFS_ATTR_FATTR_V4_SECURITY_LABEL; | |
4188 | } | |
4189 | bitmap[2] &= ~FATTR4_WORD2_SECURITY_LABEL; | |
4190 | } else | |
4191 | printk(KERN_WARNING "%s: label too long (%u)!\n", | |
4192 | __func__, len); | |
4193 | } | |
4194 | if (label && label->label) | |
4195 | dprintk("%s: label=%s, len=%d, PI=%d, LFS=%d\n", __func__, | |
4196 | (char *)label->label, label->len, label->pi, label->lfs); | |
4197 | return status; | |
4198 | ||
4199 | out_overflow: | |
4200 | print_overflow_msg(__func__, xdr); | |
4201 | return -EIO; | |
4202 | } | |
4203 | ||
1da177e4 LT |
4204 | static int decode_attr_time_modify(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) |
4205 | { | |
4206 | int status = 0; | |
4207 | ||
4208 | time->tv_sec = 0; | |
4209 | time->tv_nsec = 0; | |
4210 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_MODIFY - 1U))) | |
4211 | return -EIO; | |
4212 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_MODIFY)) { | |
4213 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4214 | if (status == 0) |
4215 | status = NFS_ATTR_FATTR_MTIME; | |
1da177e4 LT |
4216 | bitmap[1] &= ~FATTR4_WORD1_TIME_MODIFY; |
4217 | } | |
3110ff80 | 4218 | dprintk("%s: mtime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
4219 | return status; |
4220 | } | |
4221 | ||
256e48bb | 4222 | static int verify_attr_len(struct xdr_stream *xdr, unsigned int savep, uint32_t attrlen) |
1da177e4 LT |
4223 | { |
4224 | unsigned int attrwords = XDR_QUADLEN(attrlen); | |
256e48bb | 4225 | unsigned int nwords = (xdr_stream_pos(xdr) - savep) >> 2; |
1da177e4 LT |
4226 | |
4227 | if (unlikely(attrwords != nwords)) { | |
fe82a183 CL |
4228 | dprintk("%s: server returned incorrect attribute length: " |
4229 | "%u %c %u\n", | |
3110ff80 | 4230 | __func__, |
1da177e4 LT |
4231 | attrwords << 2, |
4232 | (attrwords < nwords) ? '<' : '>', | |
4233 | nwords << 2); | |
4234 | return -EIO; | |
4235 | } | |
4236 | return 0; | |
4237 | } | |
4238 | ||
4239 | static int decode_change_info(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4240 | { | |
8687b63a | 4241 | __be32 *p; |
1da177e4 | 4242 | |
c0eae66e BH |
4243 | p = xdr_inline_decode(xdr, 20); |
4244 | if (unlikely(!p)) | |
4245 | goto out_overflow; | |
6f723f77 | 4246 | cinfo->atomic = be32_to_cpup(p++); |
3ceb4dbb | 4247 | p = xdr_decode_hyper(p, &cinfo->before); |
cccddf4f | 4248 | xdr_decode_hyper(p, &cinfo->after); |
1da177e4 | 4249 | return 0; |
c0eae66e BH |
4250 | out_overflow: |
4251 | print_overflow_msg(__func__, xdr); | |
4252 | return -EIO; | |
1da177e4 LT |
4253 | } |
4254 | ||
6168f62c | 4255 | static int decode_access(struct xdr_stream *xdr, u32 *supported, u32 *access) |
1da177e4 | 4256 | { |
8687b63a | 4257 | __be32 *p; |
1da177e4 LT |
4258 | uint32_t supp, acc; |
4259 | int status; | |
4260 | ||
4261 | status = decode_op_hdr(xdr, OP_ACCESS); | |
4262 | if (status) | |
4263 | return status; | |
c0eae66e BH |
4264 | p = xdr_inline_decode(xdr, 8); |
4265 | if (unlikely(!p)) | |
4266 | goto out_overflow; | |
6f723f77 | 4267 | supp = be32_to_cpup(p++); |
cccddf4f | 4268 | acc = be32_to_cpup(p); |
6168f62c WAA |
4269 | *supported = supp; |
4270 | *access = acc; | |
1da177e4 | 4271 | return 0; |
c0eae66e BH |
4272 | out_overflow: |
4273 | print_overflow_msg(__func__, xdr); | |
4274 | return -EIO; | |
1da177e4 LT |
4275 | } |
4276 | ||
07d30434 | 4277 | static int decode_opaque_fixed(struct xdr_stream *xdr, void *buf, size_t len) |
1da177e4 | 4278 | { |
ab6e9aaf TM |
4279 | ssize_t ret = xdr_stream_decode_opaque_fixed(xdr, buf, len); |
4280 | if (unlikely(ret < 0)) { | |
4281 | print_overflow_msg(__func__, xdr); | |
4282 | return -EIO; | |
07d30434 | 4283 | } |
ab6e9aaf | 4284 | return 0; |
07d30434 BH |
4285 | } |
4286 | ||
4287 | static int decode_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) | |
4288 | { | |
2d2f24ad | 4289 | return decode_opaque_fixed(xdr, stateid, NFS4_STATEID_SIZE); |
07d30434 BH |
4290 | } |
4291 | ||
93b717fd TM |
4292 | static int decode_open_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) |
4293 | { | |
4294 | stateid->type = NFS4_OPEN_STATEID_TYPE; | |
4295 | return decode_stateid(xdr, stateid); | |
4296 | } | |
4297 | ||
4298 | static int decode_lock_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) | |
4299 | { | |
4300 | stateid->type = NFS4_LOCK_STATEID_TYPE; | |
4301 | return decode_stateid(xdr, stateid); | |
4302 | } | |
4303 | ||
4304 | static int decode_delegation_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) | |
4305 | { | |
4306 | stateid->type = NFS4_DELEGATION_STATEID_TYPE; | |
4307 | return decode_stateid(xdr, stateid); | |
4308 | } | |
4309 | ||
07d30434 BH |
4310 | static int decode_close(struct xdr_stream *xdr, struct nfs_closeres *res) |
4311 | { | |
1da177e4 LT |
4312 | int status; |
4313 | ||
4314 | status = decode_op_hdr(xdr, OP_CLOSE); | |
c1d51931 TM |
4315 | if (status != -EIO) |
4316 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 | 4317 | if (!status) |
93b717fd | 4318 | status = decode_open_stateid(xdr, &res->stateid); |
07d30434 | 4319 | return status; |
1da177e4 LT |
4320 | } |
4321 | ||
db942bbd BH |
4322 | static int decode_verifier(struct xdr_stream *xdr, void *verifier) |
4323 | { | |
cd93710e | 4324 | return decode_opaque_fixed(xdr, verifier, NFS4_VERIFIER_SIZE); |
1da177e4 LT |
4325 | } |
4326 | ||
2f2c63bc TM |
4327 | static int decode_write_verifier(struct xdr_stream *xdr, struct nfs_write_verifier *verifier) |
4328 | { | |
4329 | return decode_opaque_fixed(xdr, verifier->data, NFS4_VERIFIER_SIZE); | |
4330 | } | |
4331 | ||
0b7c0153 | 4332 | static int decode_commit(struct xdr_stream *xdr, struct nfs_commitres *res) |
1da177e4 | 4333 | { |
1da177e4 LT |
4334 | int status; |
4335 | ||
4336 | status = decode_op_hdr(xdr, OP_COMMIT); | |
db942bbd | 4337 | if (!status) |
2f2c63bc | 4338 | status = decode_write_verifier(xdr, &res->verf->verifier); |
db942bbd | 4339 | return status; |
1da177e4 LT |
4340 | } |
4341 | ||
4342 | static int decode_create(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4343 | { | |
8687b63a | 4344 | __be32 *p; |
1da177e4 LT |
4345 | uint32_t bmlen; |
4346 | int status; | |
4347 | ||
4348 | status = decode_op_hdr(xdr, OP_CREATE); | |
4349 | if (status) | |
4350 | return status; | |
4351 | if ((status = decode_change_info(xdr, cinfo))) | |
4352 | return status; | |
c0eae66e BH |
4353 | p = xdr_inline_decode(xdr, 4); |
4354 | if (unlikely(!p)) | |
4355 | goto out_overflow; | |
cccddf4f | 4356 | bmlen = be32_to_cpup(p); |
c0eae66e BH |
4357 | p = xdr_inline_decode(xdr, bmlen << 2); |
4358 | if (likely(p)) | |
4359 | return 0; | |
4360 | out_overflow: | |
4361 | print_overflow_msg(__func__, xdr); | |
4362 | return -EIO; | |
1da177e4 LT |
4363 | } |
4364 | ||
4365 | static int decode_server_caps(struct xdr_stream *xdr, struct nfs4_server_caps_res *res) | |
4366 | { | |
256e48bb | 4367 | unsigned int savep; |
dae100c2 | 4368 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 LT |
4369 | int status; |
4370 | ||
4371 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
4372 | goto xdr_error; | |
4373 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4374 | goto xdr_error; | |
4375 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4376 | goto xdr_error; | |
4377 | if ((status = decode_attr_supported(xdr, bitmap, res->attr_bitmask)) != 0) | |
4378 | goto xdr_error; | |
264e6351 CL |
4379 | if ((status = decode_attr_fh_expire_type(xdr, bitmap, |
4380 | &res->fh_expire_type)) != 0) | |
4381 | goto xdr_error; | |
1da177e4 LT |
4382 | if ((status = decode_attr_link_support(xdr, bitmap, &res->has_links)) != 0) |
4383 | goto xdr_error; | |
4384 | if ((status = decode_attr_symlink_support(xdr, bitmap, &res->has_symlinks)) != 0) | |
4385 | goto xdr_error; | |
4386 | if ((status = decode_attr_aclsupport(xdr, bitmap, &res->acl_bitmask)) != 0) | |
4387 | goto xdr_error; | |
8c61282f KM |
4388 | if ((status = decode_attr_exclcreat_supported(xdr, bitmap, |
4389 | res->exclcreat_bitmask)) != 0) | |
4390 | goto xdr_error; | |
1da177e4 LT |
4391 | status = verify_attr_len(xdr, savep, attrlen); |
4392 | xdr_error: | |
3110ff80 | 4393 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4394 | return status; |
4395 | } | |
6c0195a4 | 4396 | |
1da177e4 LT |
4397 | static int decode_statfs(struct xdr_stream *xdr, struct nfs_fsstat *fsstat) |
4398 | { | |
256e48bb | 4399 | unsigned int savep; |
dae100c2 | 4400 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 | 4401 | int status; |
6c0195a4 | 4402 | |
1da177e4 LT |
4403 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
4404 | goto xdr_error; | |
4405 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4406 | goto xdr_error; | |
4407 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4408 | goto xdr_error; | |
4409 | ||
4410 | if ((status = decode_attr_files_avail(xdr, bitmap, &fsstat->afiles)) != 0) | |
4411 | goto xdr_error; | |
4412 | if ((status = decode_attr_files_free(xdr, bitmap, &fsstat->ffiles)) != 0) | |
4413 | goto xdr_error; | |
4414 | if ((status = decode_attr_files_total(xdr, bitmap, &fsstat->tfiles)) != 0) | |
4415 | goto xdr_error; | |
1ca843a2 AG |
4416 | |
4417 | status = -EIO; | |
4418 | if (unlikely(bitmap[0])) | |
4419 | goto xdr_error; | |
4420 | ||
1da177e4 LT |
4421 | if ((status = decode_attr_space_avail(xdr, bitmap, &fsstat->abytes)) != 0) |
4422 | goto xdr_error; | |
4423 | if ((status = decode_attr_space_free(xdr, bitmap, &fsstat->fbytes)) != 0) | |
4424 | goto xdr_error; | |
4425 | if ((status = decode_attr_space_total(xdr, bitmap, &fsstat->tbytes)) != 0) | |
4426 | goto xdr_error; | |
4427 | ||
4428 | status = verify_attr_len(xdr, savep, attrlen); | |
4429 | xdr_error: | |
3110ff80 | 4430 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4431 | return status; |
4432 | } | |
4433 | ||
4434 | static int decode_pathconf(struct xdr_stream *xdr, struct nfs_pathconf *pathconf) | |
4435 | { | |
256e48bb | 4436 | unsigned int savep; |
dae100c2 | 4437 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 | 4438 | int status; |
6c0195a4 | 4439 | |
1da177e4 LT |
4440 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
4441 | goto xdr_error; | |
4442 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4443 | goto xdr_error; | |
4444 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4445 | goto xdr_error; | |
4446 | ||
4447 | if ((status = decode_attr_maxlink(xdr, bitmap, &pathconf->max_link)) != 0) | |
4448 | goto xdr_error; | |
4449 | if ((status = decode_attr_maxname(xdr, bitmap, &pathconf->max_namelen)) != 0) | |
4450 | goto xdr_error; | |
4451 | ||
4452 | status = verify_attr_len(xdr, savep, attrlen); | |
4453 | xdr_error: | |
3110ff80 | 4454 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4455 | return status; |
4456 | } | |
4457 | ||
88034c3d AA |
4458 | static int decode_threshold_hint(struct xdr_stream *xdr, |
4459 | uint32_t *bitmap, | |
4460 | uint64_t *res, | |
4461 | uint32_t hint_bit) | |
4462 | { | |
4463 | __be32 *p; | |
4464 | ||
4465 | *res = 0; | |
4466 | if (likely(bitmap[0] & hint_bit)) { | |
4467 | p = xdr_inline_decode(xdr, 8); | |
4468 | if (unlikely(!p)) | |
4469 | goto out_overflow; | |
4470 | xdr_decode_hyper(p, res); | |
4471 | } | |
4472 | return 0; | |
4473 | out_overflow: | |
4474 | print_overflow_msg(__func__, xdr); | |
4475 | return -EIO; | |
4476 | } | |
4477 | ||
4478 | static int decode_first_threshold_item4(struct xdr_stream *xdr, | |
4479 | struct nfs4_threshold *res) | |
4480 | { | |
256e48bb TM |
4481 | __be32 *p; |
4482 | unsigned int savep; | |
88034c3d AA |
4483 | uint32_t bitmap[3] = {0,}, attrlen; |
4484 | int status; | |
4485 | ||
4486 | /* layout type */ | |
4487 | p = xdr_inline_decode(xdr, 4); | |
4488 | if (unlikely(!p)) { | |
4489 | print_overflow_msg(__func__, xdr); | |
4490 | return -EIO; | |
4491 | } | |
4492 | res->l_type = be32_to_cpup(p); | |
4493 | ||
4494 | /* thi_hintset bitmap */ | |
4495 | status = decode_attr_bitmap(xdr, bitmap); | |
4496 | if (status < 0) | |
4497 | goto xdr_error; | |
4498 | ||
4499 | /* thi_hintlist length */ | |
4500 | status = decode_attr_length(xdr, &attrlen, &savep); | |
4501 | if (status < 0) | |
4502 | goto xdr_error; | |
4503 | /* thi_hintlist */ | |
4504 | status = decode_threshold_hint(xdr, bitmap, &res->rd_sz, THRESHOLD_RD); | |
4505 | if (status < 0) | |
4506 | goto xdr_error; | |
4507 | status = decode_threshold_hint(xdr, bitmap, &res->wr_sz, THRESHOLD_WR); | |
4508 | if (status < 0) | |
4509 | goto xdr_error; | |
4510 | status = decode_threshold_hint(xdr, bitmap, &res->rd_io_sz, | |
4511 | THRESHOLD_RD_IO); | |
4512 | if (status < 0) | |
4513 | goto xdr_error; | |
4514 | status = decode_threshold_hint(xdr, bitmap, &res->wr_io_sz, | |
4515 | THRESHOLD_WR_IO); | |
4516 | if (status < 0) | |
4517 | goto xdr_error; | |
4518 | ||
4519 | status = verify_attr_len(xdr, savep, attrlen); | |
4520 | res->bm = bitmap[0]; | |
4521 | ||
4522 | dprintk("%s bm=0x%x rd_sz=%llu wr_sz=%llu rd_io=%llu wr_io=%llu\n", | |
4523 | __func__, res->bm, res->rd_sz, res->wr_sz, res->rd_io_sz, | |
4524 | res->wr_io_sz); | |
4525 | xdr_error: | |
4526 | dprintk("%s ret=%d!\n", __func__, status); | |
4527 | return status; | |
4528 | } | |
4529 | ||
4530 | /* | |
4531 | * Thresholds on pNFS direct I/O vrs MDS I/O | |
4532 | */ | |
4533 | static int decode_attr_mdsthreshold(struct xdr_stream *xdr, | |
4534 | uint32_t *bitmap, | |
4535 | struct nfs4_threshold *res) | |
4536 | { | |
4537 | __be32 *p; | |
4538 | int status = 0; | |
4539 | uint32_t num; | |
4540 | ||
4541 | if (unlikely(bitmap[2] & (FATTR4_WORD2_MDSTHRESHOLD - 1U))) | |
4542 | return -EIO; | |
029c5347 | 4543 | if (bitmap[2] & FATTR4_WORD2_MDSTHRESHOLD) { |
1549210f TM |
4544 | /* Did the server return an unrequested attribute? */ |
4545 | if (unlikely(res == NULL)) | |
4546 | return -EREMOTEIO; | |
88034c3d AA |
4547 | p = xdr_inline_decode(xdr, 4); |
4548 | if (unlikely(!p)) | |
4549 | goto out_overflow; | |
4550 | num = be32_to_cpup(p); | |
4551 | if (num == 0) | |
4552 | return 0; | |
4553 | if (num > 1) | |
4554 | printk(KERN_INFO "%s: Warning: Multiple pNFS layout " | |
4555 | "drivers per filesystem not supported\n", | |
4556 | __func__); | |
4557 | ||
4558 | status = decode_first_threshold_item4(xdr, res); | |
029c5347 | 4559 | bitmap[2] &= ~FATTR4_WORD2_MDSTHRESHOLD; |
88034c3d AA |
4560 | } |
4561 | return status; | |
4562 | out_overflow: | |
4563 | print_overflow_msg(__func__, xdr); | |
4564 | return -EIO; | |
4565 | } | |
4566 | ||
ae42c70a BS |
4567 | static int decode_getfattr_attrs(struct xdr_stream *xdr, uint32_t *bitmap, |
4568 | struct nfs_fattr *fattr, struct nfs_fh *fh, | |
aa9c2669 | 4569 | struct nfs4_fs_locations *fs_loc, struct nfs4_label *label, |
6926afd1 | 4570 | const struct nfs_server *server) |
1da177e4 | 4571 | { |
bca79478 TM |
4572 | int status; |
4573 | umode_t fmode = 0; | |
ae42c70a | 4574 | uint32_t type; |
ee7b75fc | 4575 | int32_t err; |
1da177e4 | 4576 | |
f26c7a78 TM |
4577 | status = decode_attr_type(xdr, bitmap, &type); |
4578 | if (status < 0) | |
1da177e4 | 4579 | goto xdr_error; |
409924e4 TM |
4580 | fattr->mode = 0; |
4581 | if (status != 0) { | |
4582 | fattr->mode |= nfs_type2fmt[type]; | |
4583 | fattr->valid |= status; | |
4584 | } | |
1da177e4 | 4585 | |
f26c7a78 TM |
4586 | status = decode_attr_change(xdr, bitmap, &fattr->change_attr); |
4587 | if (status < 0) | |
1da177e4 | 4588 | goto xdr_error; |
409924e4 | 4589 | fattr->valid |= status; |
f26c7a78 TM |
4590 | |
4591 | status = decode_attr_size(xdr, bitmap, &fattr->size); | |
4592 | if (status < 0) | |
1da177e4 | 4593 | goto xdr_error; |
409924e4 | 4594 | fattr->valid |= status; |
f26c7a78 TM |
4595 | |
4596 | status = decode_attr_fsid(xdr, bitmap, &fattr->fsid); | |
4597 | if (status < 0) | |
1da177e4 | 4598 | goto xdr_error; |
409924e4 | 4599 | fattr->valid |= status; |
f26c7a78 | 4600 | |
ee7b75fc TM |
4601 | err = 0; |
4602 | status = decode_attr_error(xdr, bitmap, &err); | |
ae42c70a BS |
4603 | if (status < 0) |
4604 | goto xdr_error; | |
4605 | ||
4606 | status = decode_attr_filehandle(xdr, bitmap, fh); | |
4607 | if (status < 0) | |
4608 | goto xdr_error; | |
4609 | ||
f26c7a78 TM |
4610 | status = decode_attr_fileid(xdr, bitmap, &fattr->fileid); |
4611 | if (status < 0) | |
1da177e4 | 4612 | goto xdr_error; |
409924e4 | 4613 | fattr->valid |= status; |
f26c7a78 | 4614 | |
8b7e3f49 | 4615 | status = decode_attr_fs_locations(xdr, bitmap, fs_loc); |
f26c7a78 | 4616 | if (status < 0) |
683b57b4 | 4617 | goto xdr_error; |
409924e4 | 4618 | fattr->valid |= status; |
f26c7a78 | 4619 | |
1ca843a2 AG |
4620 | status = -EIO; |
4621 | if (unlikely(bitmap[0])) | |
4622 | goto xdr_error; | |
4623 | ||
f26c7a78 TM |
4624 | status = decode_attr_mode(xdr, bitmap, &fmode); |
4625 | if (status < 0) | |
1da177e4 | 4626 | goto xdr_error; |
409924e4 TM |
4627 | if (status != 0) { |
4628 | fattr->mode |= fmode; | |
4629 | fattr->valid |= status; | |
4630 | } | |
f26c7a78 TM |
4631 | |
4632 | status = decode_attr_nlink(xdr, bitmap, &fattr->nlink); | |
4633 | if (status < 0) | |
1da177e4 | 4634 | goto xdr_error; |
409924e4 | 4635 | fattr->valid |= status; |
f26c7a78 | 4636 | |
6926afd1 | 4637 | status = decode_attr_owner(xdr, bitmap, server, &fattr->uid, fattr->owner_name); |
f26c7a78 | 4638 | if (status < 0) |
1da177e4 | 4639 | goto xdr_error; |
409924e4 | 4640 | fattr->valid |= status; |
f26c7a78 | 4641 | |
6926afd1 | 4642 | status = decode_attr_group(xdr, bitmap, server, &fattr->gid, fattr->group_name); |
f26c7a78 | 4643 | if (status < 0) |
1da177e4 | 4644 | goto xdr_error; |
409924e4 | 4645 | fattr->valid |= status; |
f26c7a78 TM |
4646 | |
4647 | status = decode_attr_rdev(xdr, bitmap, &fattr->rdev); | |
4648 | if (status < 0) | |
1da177e4 | 4649 | goto xdr_error; |
409924e4 | 4650 | fattr->valid |= status; |
f26c7a78 TM |
4651 | |
4652 | status = decode_attr_space_used(xdr, bitmap, &fattr->du.nfs3.used); | |
4653 | if (status < 0) | |
1da177e4 | 4654 | goto xdr_error; |
409924e4 | 4655 | fattr->valid |= status; |
f26c7a78 TM |
4656 | |
4657 | status = decode_attr_time_access(xdr, bitmap, &fattr->atime); | |
4658 | if (status < 0) | |
1da177e4 | 4659 | goto xdr_error; |
409924e4 | 4660 | fattr->valid |= status; |
f26c7a78 TM |
4661 | |
4662 | status = decode_attr_time_metadata(xdr, bitmap, &fattr->ctime); | |
4663 | if (status < 0) | |
1da177e4 | 4664 | goto xdr_error; |
409924e4 | 4665 | fattr->valid |= status; |
f26c7a78 TM |
4666 | |
4667 | status = decode_attr_time_modify(xdr, bitmap, &fattr->mtime); | |
4668 | if (status < 0) | |
1da177e4 | 4669 | goto xdr_error; |
409924e4 | 4670 | fattr->valid |= status; |
f26c7a78 | 4671 | |
28331a46 | 4672 | status = decode_attr_mounted_on_fileid(xdr, bitmap, &fattr->mounted_on_fileid); |
f26c7a78 | 4673 | if (status < 0) |
99baf625 | 4674 | goto xdr_error; |
28331a46 | 4675 | fattr->valid |= status; |
f26c7a78 | 4676 | |
1ca843a2 AG |
4677 | status = -EIO; |
4678 | if (unlikely(bitmap[1])) | |
4679 | goto xdr_error; | |
4680 | ||
88034c3d AA |
4681 | status = decode_attr_mdsthreshold(xdr, bitmap, fattr->mdsthreshold); |
4682 | if (status < 0) | |
4683 | goto xdr_error; | |
4684 | ||
aa9c2669 DQ |
4685 | if (label) { |
4686 | status = decode_attr_security_label(xdr, bitmap, label); | |
4687 | if (status < 0) | |
4688 | goto xdr_error; | |
4689 | fattr->valid |= status; | |
4690 | } | |
4691 | ||
ae42c70a BS |
4692 | xdr_error: |
4693 | dprintk("%s: xdr returned %d\n", __func__, -status); | |
4694 | return status; | |
4695 | } | |
4696 | ||
4697 | static int decode_getfattr_generic(struct xdr_stream *xdr, struct nfs_fattr *fattr, | |
8b7e3f49 | 4698 | struct nfs_fh *fh, struct nfs4_fs_locations *fs_loc, |
aa9c2669 | 4699 | struct nfs4_label *label, const struct nfs_server *server) |
ae42c70a | 4700 | { |
256e48bb | 4701 | unsigned int savep; |
ae42c70a | 4702 | uint32_t attrlen, |
dae100c2 | 4703 | bitmap[3] = {0}; |
ae42c70a BS |
4704 | int status; |
4705 | ||
4706 | status = decode_op_hdr(xdr, OP_GETATTR); | |
4707 | if (status < 0) | |
4708 | goto xdr_error; | |
4709 | ||
4710 | status = decode_attr_bitmap(xdr, bitmap); | |
4711 | if (status < 0) | |
4712 | goto xdr_error; | |
4713 | ||
4714 | status = decode_attr_length(xdr, &attrlen, &savep); | |
4715 | if (status < 0) | |
4716 | goto xdr_error; | |
4717 | ||
aa9c2669 DQ |
4718 | status = decode_getfattr_attrs(xdr, bitmap, fattr, fh, fs_loc, |
4719 | label, server); | |
ae42c70a BS |
4720 | if (status < 0) |
4721 | goto xdr_error; | |
4722 | ||
f26c7a78 | 4723 | status = verify_attr_len(xdr, savep, attrlen); |
1da177e4 | 4724 | xdr_error: |
3110ff80 | 4725 | dprintk("%s: xdr returned %d\n", __func__, -status); |
1da177e4 LT |
4726 | return status; |
4727 | } | |
4728 | ||
aa9c2669 DQ |
4729 | static int decode_getfattr_label(struct xdr_stream *xdr, struct nfs_fattr *fattr, |
4730 | struct nfs4_label *label, const struct nfs_server *server) | |
4731 | { | |
4732 | return decode_getfattr_generic(xdr, fattr, NULL, NULL, label, server); | |
4733 | } | |
4734 | ||
ae42c70a | 4735 | static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr, |
6926afd1 | 4736 | const struct nfs_server *server) |
ae42c70a | 4737 | { |
aa9c2669 | 4738 | return decode_getfattr_generic(xdr, fattr, NULL, NULL, NULL, server); |
ae42c70a | 4739 | } |
1da177e4 | 4740 | |
504913fb | 4741 | /* |
3132e49e | 4742 | * Decode potentially multiple layout types. |
504913fb | 4743 | */ |
3132e49e | 4744 | static int decode_pnfs_layout_types(struct xdr_stream *xdr, |
ca440c38 | 4745 | struct nfs_fsinfo *fsinfo) |
504913fb | 4746 | { |
b8a8a0dd | 4747 | __be32 *p; |
ca440c38 | 4748 | uint32_t i; |
504913fb AA |
4749 | |
4750 | p = xdr_inline_decode(xdr, 4); | |
4751 | if (unlikely(!p)) | |
4752 | goto out_overflow; | |
ca440c38 | 4753 | fsinfo->nlayouttypes = be32_to_cpup(p); |
504913fb AA |
4754 | |
4755 | /* pNFS is not supported by the underlying file system */ | |
ca440c38 | 4756 | if (fsinfo->nlayouttypes == 0) |
504913fb | 4757 | return 0; |
504913fb AA |
4758 | |
4759 | /* Decode and set first layout type, move xdr->p past unused types */ | |
ca440c38 | 4760 | p = xdr_inline_decode(xdr, fsinfo->nlayouttypes * 4); |
504913fb AA |
4761 | if (unlikely(!p)) |
4762 | goto out_overflow; | |
ca440c38 JL |
4763 | |
4764 | /* If we get too many, then just cap it at the max */ | |
4765 | if (fsinfo->nlayouttypes > NFS_MAX_LAYOUT_TYPES) { | |
4766 | printk(KERN_INFO "NFS: %s: Warning: Too many (%u) pNFS layout types\n", | |
4767 | __func__, fsinfo->nlayouttypes); | |
4768 | fsinfo->nlayouttypes = NFS_MAX_LAYOUT_TYPES; | |
4769 | } | |
4770 | ||
4771 | for(i = 0; i < fsinfo->nlayouttypes; ++i) | |
4772 | fsinfo->layouttype[i] = be32_to_cpup(p++); | |
504913fb AA |
4773 | return 0; |
4774 | out_overflow: | |
4775 | print_overflow_msg(__func__, xdr); | |
4776 | return -EIO; | |
4777 | } | |
4778 | ||
4779 | /* | |
4780 | * The type of file system exported. | |
4781 | * Note we must ensure that layouttype is set in any non-error case. | |
4782 | */ | |
4783 | static int decode_attr_pnfstype(struct xdr_stream *xdr, uint32_t *bitmap, | |
ca440c38 | 4784 | struct nfs_fsinfo *fsinfo) |
504913fb AA |
4785 | { |
4786 | int status = 0; | |
4787 | ||
4788 | dprintk("%s: bitmap is %x\n", __func__, bitmap[1]); | |
4789 | if (unlikely(bitmap[1] & (FATTR4_WORD1_FS_LAYOUT_TYPES - 1U))) | |
4790 | return -EIO; | |
4791 | if (bitmap[1] & FATTR4_WORD1_FS_LAYOUT_TYPES) { | |
ca440c38 | 4792 | status = decode_pnfs_layout_types(xdr, fsinfo); |
504913fb | 4793 | bitmap[1] &= ~FATTR4_WORD1_FS_LAYOUT_TYPES; |
3132e49e | 4794 | } |
504913fb AA |
4795 | return status; |
4796 | } | |
4797 | ||
dae100c2 FI |
4798 | /* |
4799 | * The prefered block size for layout directed io | |
4800 | */ | |
4801 | static int decode_attr_layout_blksize(struct xdr_stream *xdr, uint32_t *bitmap, | |
4802 | uint32_t *res) | |
4803 | { | |
4804 | __be32 *p; | |
4805 | ||
4806 | dprintk("%s: bitmap is %x\n", __func__, bitmap[2]); | |
4807 | *res = 0; | |
4808 | if (bitmap[2] & FATTR4_WORD2_LAYOUT_BLKSIZE) { | |
4809 | p = xdr_inline_decode(xdr, 4); | |
4810 | if (unlikely(!p)) { | |
4811 | print_overflow_msg(__func__, xdr); | |
4812 | return -EIO; | |
4813 | } | |
4814 | *res = be32_to_cpup(p); | |
4815 | bitmap[2] &= ~FATTR4_WORD2_LAYOUT_BLKSIZE; | |
4816 | } | |
4817 | return 0; | |
4818 | } | |
4819 | ||
2a92ee92 PT |
4820 | /* |
4821 | * The granularity of a CLONE operation. | |
4822 | */ | |
4823 | static int decode_attr_clone_blksize(struct xdr_stream *xdr, uint32_t *bitmap, | |
4824 | uint32_t *res) | |
4825 | { | |
4826 | __be32 *p; | |
4827 | ||
4828 | dprintk("%s: bitmap is %x\n", __func__, bitmap[2]); | |
4829 | *res = 0; | |
4830 | if (bitmap[2] & FATTR4_WORD2_CLONE_BLKSIZE) { | |
4831 | p = xdr_inline_decode(xdr, 4); | |
4832 | if (unlikely(!p)) { | |
4833 | print_overflow_msg(__func__, xdr); | |
4834 | return -EIO; | |
4835 | } | |
4836 | *res = be32_to_cpup(p); | |
4837 | bitmap[2] &= ~FATTR4_WORD2_CLONE_BLKSIZE; | |
4838 | } | |
4839 | return 0; | |
4840 | } | |
4841 | ||
1da177e4 LT |
4842 | static int decode_fsinfo(struct xdr_stream *xdr, struct nfs_fsinfo *fsinfo) |
4843 | { | |
256e48bb | 4844 | unsigned int savep; |
dae100c2 | 4845 | uint32_t attrlen, bitmap[3]; |
1da177e4 LT |
4846 | int status; |
4847 | ||
4848 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
4849 | goto xdr_error; | |
4850 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4851 | goto xdr_error; | |
4852 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4853 | goto xdr_error; | |
4854 | ||
4855 | fsinfo->rtmult = fsinfo->wtmult = 512; /* ??? */ | |
4856 | ||
4857 | if ((status = decode_attr_lease_time(xdr, bitmap, &fsinfo->lease_time)) != 0) | |
4858 | goto xdr_error; | |
4859 | if ((status = decode_attr_maxfilesize(xdr, bitmap, &fsinfo->maxfilesize)) != 0) | |
4860 | goto xdr_error; | |
4861 | if ((status = decode_attr_maxread(xdr, bitmap, &fsinfo->rtmax)) != 0) | |
4862 | goto xdr_error; | |
4863 | fsinfo->rtpref = fsinfo->dtpref = fsinfo->rtmax; | |
4864 | if ((status = decode_attr_maxwrite(xdr, bitmap, &fsinfo->wtmax)) != 0) | |
4865 | goto xdr_error; | |
4866 | fsinfo->wtpref = fsinfo->wtmax; | |
1ca843a2 AG |
4867 | |
4868 | status = -EIO; | |
4869 | if (unlikely(bitmap[0])) | |
4870 | goto xdr_error; | |
4871 | ||
55b6e774 | 4872 | status = decode_attr_time_delta(xdr, bitmap, &fsinfo->time_delta); |
504913fb AA |
4873 | if (status != 0) |
4874 | goto xdr_error; | |
ca440c38 | 4875 | status = decode_attr_pnfstype(xdr, bitmap, fsinfo); |
55b6e774 RL |
4876 | if (status != 0) |
4877 | goto xdr_error; | |
1ca843a2 AG |
4878 | |
4879 | status = -EIO; | |
4880 | if (unlikely(bitmap[1])) | |
4881 | goto xdr_error; | |
4882 | ||
dae100c2 | 4883 | status = decode_attr_layout_blksize(xdr, bitmap, &fsinfo->blksize); |
2a92ee92 PT |
4884 | if (status) |
4885 | goto xdr_error; | |
4886 | status = decode_attr_clone_blksize(xdr, bitmap, &fsinfo->clone_blksize); | |
dae100c2 FI |
4887 | if (status) |
4888 | goto xdr_error; | |
1da177e4 LT |
4889 | |
4890 | status = verify_attr_len(xdr, savep, attrlen); | |
4891 | xdr_error: | |
3110ff80 | 4892 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4893 | return status; |
4894 | } | |
4895 | ||
4896 | static int decode_getfh(struct xdr_stream *xdr, struct nfs_fh *fh) | |
4897 | { | |
8687b63a | 4898 | __be32 *p; |
1da177e4 LT |
4899 | uint32_t len; |
4900 | int status; | |
4901 | ||
9936781d TM |
4902 | /* Zero handle first to allow comparisons */ |
4903 | memset(fh, 0, sizeof(*fh)); | |
4904 | ||
1da177e4 LT |
4905 | status = decode_op_hdr(xdr, OP_GETFH); |
4906 | if (status) | |
4907 | return status; | |
1da177e4 | 4908 | |
c0eae66e BH |
4909 | p = xdr_inline_decode(xdr, 4); |
4910 | if (unlikely(!p)) | |
4911 | goto out_overflow; | |
cccddf4f | 4912 | len = be32_to_cpup(p); |
1da177e4 LT |
4913 | if (len > NFS4_FHSIZE) |
4914 | return -EIO; | |
4915 | fh->size = len; | |
c0eae66e BH |
4916 | p = xdr_inline_decode(xdr, len); |
4917 | if (unlikely(!p)) | |
4918 | goto out_overflow; | |
99398d06 | 4919 | memcpy(fh->data, p, len); |
1da177e4 | 4920 | return 0; |
c0eae66e BH |
4921 | out_overflow: |
4922 | print_overflow_msg(__func__, xdr); | |
4923 | return -EIO; | |
1da177e4 LT |
4924 | } |
4925 | ||
4926 | static int decode_link(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4927 | { | |
4928 | int status; | |
6c0195a4 | 4929 | |
1da177e4 LT |
4930 | status = decode_op_hdr(xdr, OP_LINK); |
4931 | if (status) | |
4932 | return status; | |
4933 | return decode_change_info(xdr, cinfo); | |
4934 | } | |
4935 | ||
4936 | /* | |
4937 | * We create the owner, so we know a proper owner.id length is 4. | |
4938 | */ | |
911d1aaf | 4939 | static int decode_lock_denied (struct xdr_stream *xdr, struct file_lock *fl) |
1da177e4 | 4940 | { |
911d1aaf | 4941 | uint64_t offset, length, clientid; |
8687b63a | 4942 | __be32 *p; |
911d1aaf | 4943 | uint32_t namelen, type; |
1da177e4 | 4944 | |
babddc72 | 4945 | p = xdr_inline_decode(xdr, 32); /* read 32 bytes */ |
c0eae66e BH |
4946 | if (unlikely(!p)) |
4947 | goto out_overflow; | |
babddc72 | 4948 | p = xdr_decode_hyper(p, &offset); /* read 2 8-byte long words */ |
3ceb4dbb | 4949 | p = xdr_decode_hyper(p, &length); |
babddc72 BS |
4950 | type = be32_to_cpup(p++); /* 4 byte read */ |
4951 | if (fl != NULL) { /* manipulate file lock */ | |
911d1aaf TM |
4952 | fl->fl_start = (loff_t)offset; |
4953 | fl->fl_end = fl->fl_start + (loff_t)length - 1; | |
4954 | if (length == ~(uint64_t)0) | |
4955 | fl->fl_end = OFFSET_MAX; | |
4956 | fl->fl_type = F_WRLCK; | |
4957 | if (type & 1) | |
4958 | fl->fl_type = F_RDLCK; | |
4959 | fl->fl_pid = 0; | |
4960 | } | |
babddc72 BS |
4961 | p = xdr_decode_hyper(p, &clientid); /* read 8 bytes */ |
4962 | namelen = be32_to_cpup(p); /* read 4 bytes */ /* have read all 32 bytes now */ | |
4963 | p = xdr_inline_decode(xdr, namelen); /* variable size field */ | |
c0eae66e BH |
4964 | if (likely(p)) |
4965 | return -NFS4ERR_DENIED; | |
4966 | out_overflow: | |
4967 | print_overflow_msg(__func__, xdr); | |
4968 | return -EIO; | |
1da177e4 LT |
4969 | } |
4970 | ||
911d1aaf | 4971 | static int decode_lock(struct xdr_stream *xdr, struct nfs_lock_res *res) |
1da177e4 | 4972 | { |
1da177e4 LT |
4973 | int status; |
4974 | ||
4975 | status = decode_op_hdr(xdr, OP_LOCK); | |
c1d51931 TM |
4976 | if (status == -EIO) |
4977 | goto out; | |
1da177e4 | 4978 | if (status == 0) { |
93b717fd | 4979 | status = decode_lock_stateid(xdr, &res->stateid); |
07d30434 BH |
4980 | if (unlikely(status)) |
4981 | goto out; | |
1da177e4 | 4982 | } else if (status == -NFS4ERR_DENIED) |
c1d51931 TM |
4983 | status = decode_lock_denied(xdr, NULL); |
4984 | if (res->open_seqid != NULL) | |
4985 | nfs_increment_open_seqid(status, res->open_seqid); | |
4986 | nfs_increment_lock_seqid(status, res->lock_seqid); | |
4987 | out: | |
1da177e4 LT |
4988 | return status; |
4989 | } | |
4990 | ||
911d1aaf | 4991 | static int decode_lockt(struct xdr_stream *xdr, struct nfs_lockt_res *res) |
1da177e4 LT |
4992 | { |
4993 | int status; | |
4994 | status = decode_op_hdr(xdr, OP_LOCKT); | |
4995 | if (status == -NFS4ERR_DENIED) | |
911d1aaf | 4996 | return decode_lock_denied(xdr, res->denied); |
1da177e4 LT |
4997 | return status; |
4998 | } | |
4999 | ||
911d1aaf | 5000 | static int decode_locku(struct xdr_stream *xdr, struct nfs_locku_res *res) |
1da177e4 | 5001 | { |
1da177e4 LT |
5002 | int status; |
5003 | ||
5004 | status = decode_op_hdr(xdr, OP_LOCKU); | |
c1d51931 TM |
5005 | if (status != -EIO) |
5006 | nfs_increment_lock_seqid(status, res->seqid); | |
07d30434 | 5007 | if (status == 0) |
93b717fd | 5008 | status = decode_lock_stateid(xdr, &res->stateid); |
1da177e4 LT |
5009 | return status; |
5010 | } | |
5011 | ||
d3c7b7cc TM |
5012 | static int decode_release_lockowner(struct xdr_stream *xdr) |
5013 | { | |
5014 | return decode_op_hdr(xdr, OP_RELEASE_LOCKOWNER); | |
5015 | } | |
5016 | ||
1da177e4 LT |
5017 | static int decode_lookup(struct xdr_stream *xdr) |
5018 | { | |
5019 | return decode_op_hdr(xdr, OP_LOOKUP); | |
5020 | } | |
5021 | ||
5022 | /* This is too sick! */ | |
7d160a6c TM |
5023 | static int decode_space_limit(struct xdr_stream *xdr, |
5024 | unsigned long *pagemod_limit) | |
1da177e4 | 5025 | { |
05d564fe | 5026 | __be32 *p; |
1da177e4 | 5027 | uint32_t limit_type, nblocks, blocksize; |
7d160a6c | 5028 | u64 maxsize = 0; |
1da177e4 | 5029 | |
c0eae66e BH |
5030 | p = xdr_inline_decode(xdr, 12); |
5031 | if (unlikely(!p)) | |
5032 | goto out_overflow; | |
6f723f77 | 5033 | limit_type = be32_to_cpup(p++); |
1da177e4 | 5034 | switch (limit_type) { |
7d160a6c TM |
5035 | case NFS4_LIMIT_SIZE: |
5036 | xdr_decode_hyper(p, &maxsize); | |
05d564fe | 5037 | break; |
7d160a6c | 5038 | case NFS4_LIMIT_BLOCKS: |
6f723f77 | 5039 | nblocks = be32_to_cpup(p++); |
cccddf4f | 5040 | blocksize = be32_to_cpup(p); |
7d160a6c | 5041 | maxsize = (uint64_t)nblocks * (uint64_t)blocksize; |
1da177e4 | 5042 | } |
09cbfeaf | 5043 | maxsize >>= PAGE_SHIFT; |
7d160a6c | 5044 | *pagemod_limit = min_t(u64, maxsize, ULONG_MAX); |
1da177e4 | 5045 | return 0; |
c0eae66e BH |
5046 | out_overflow: |
5047 | print_overflow_msg(__func__, xdr); | |
5048 | return -EIO; | |
1da177e4 LT |
5049 | } |
5050 | ||
6ae37339 TM |
5051 | static int decode_rw_delegation(struct xdr_stream *xdr, |
5052 | uint32_t delegation_type, | |
5053 | struct nfs_openres *res) | |
1da177e4 | 5054 | { |
05d564fe | 5055 | __be32 *p; |
07d30434 | 5056 | int status; |
1da177e4 | 5057 | |
93b717fd | 5058 | status = decode_delegation_stateid(xdr, &res->delegation); |
07d30434 BH |
5059 | if (unlikely(status)) |
5060 | return status; | |
c0eae66e BH |
5061 | p = xdr_inline_decode(xdr, 4); |
5062 | if (unlikely(!p)) | |
5063 | goto out_overflow; | |
cccddf4f | 5064 | res->do_recall = be32_to_cpup(p); |
05d564fe | 5065 | |
1da177e4 | 5066 | switch (delegation_type) { |
05d564fe AA |
5067 | case NFS4_OPEN_DELEGATE_READ: |
5068 | res->delegation_type = FMODE_READ; | |
5069 | break; | |
5070 | case NFS4_OPEN_DELEGATE_WRITE: | |
5071 | res->delegation_type = FMODE_WRITE|FMODE_READ; | |
7d160a6c | 5072 | if (decode_space_limit(xdr, &res->pagemod_limit) < 0) |
1da177e4 LT |
5073 | return -EIO; |
5074 | } | |
1bbe60ff | 5075 | return decode_ace(xdr, NULL); |
c0eae66e BH |
5076 | out_overflow: |
5077 | print_overflow_msg(__func__, xdr); | |
5078 | return -EIO; | |
1da177e4 LT |
5079 | } |
5080 | ||
6ae37339 TM |
5081 | static int decode_no_delegation(struct xdr_stream *xdr, struct nfs_openres *res) |
5082 | { | |
5083 | __be32 *p; | |
5084 | uint32_t why_no_delegation; | |
5085 | ||
5086 | p = xdr_inline_decode(xdr, 4); | |
5087 | if (unlikely(!p)) | |
5088 | goto out_overflow; | |
5089 | why_no_delegation = be32_to_cpup(p); | |
5090 | switch (why_no_delegation) { | |
5091 | case WND4_CONTENTION: | |
5092 | case WND4_RESOURCE: | |
5093 | xdr_inline_decode(xdr, 4); | |
5094 | /* Ignore for now */ | |
5095 | } | |
5096 | return 0; | |
5097 | out_overflow: | |
5098 | print_overflow_msg(__func__, xdr); | |
5099 | return -EIO; | |
5100 | } | |
5101 | ||
5102 | static int decode_delegation(struct xdr_stream *xdr, struct nfs_openres *res) | |
5103 | { | |
5104 | __be32 *p; | |
5105 | uint32_t delegation_type; | |
5106 | ||
5107 | p = xdr_inline_decode(xdr, 4); | |
5108 | if (unlikely(!p)) | |
5109 | goto out_overflow; | |
5110 | delegation_type = be32_to_cpup(p); | |
5111 | res->delegation_type = 0; | |
5112 | switch (delegation_type) { | |
5113 | case NFS4_OPEN_DELEGATE_NONE: | |
5114 | return 0; | |
5115 | case NFS4_OPEN_DELEGATE_READ: | |
5116 | case NFS4_OPEN_DELEGATE_WRITE: | |
5117 | return decode_rw_delegation(xdr, delegation_type, res); | |
5118 | case NFS4_OPEN_DELEGATE_NONE_EXT: | |
5119 | return decode_no_delegation(xdr, res); | |
5120 | } | |
5121 | return -EIO; | |
5122 | out_overflow: | |
5123 | print_overflow_msg(__func__, xdr); | |
5124 | return -EIO; | |
5125 | } | |
5126 | ||
1da177e4 LT |
5127 | static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res) |
5128 | { | |
05d564fe | 5129 | __be32 *p; |
aa53ed54 | 5130 | uint32_t savewords, bmlen, i; |
05d564fe | 5131 | int status; |
1da177e4 | 5132 | |
c7848f69 TM |
5133 | if (!__decode_op_hdr(xdr, OP_OPEN, &status)) |
5134 | return status; | |
5135 | nfs_increment_open_seqid(status, res->seqid); | |
5136 | if (status) | |
5137 | return status; | |
93b717fd | 5138 | status = decode_open_stateid(xdr, &res->stateid); |
07d30434 | 5139 | if (unlikely(status)) |
05d564fe | 5140 | return status; |
1da177e4 | 5141 | |
05d564fe | 5142 | decode_change_info(xdr, &res->cinfo); |
1da177e4 | 5143 | |
c0eae66e BH |
5144 | p = xdr_inline_decode(xdr, 8); |
5145 | if (unlikely(!p)) | |
5146 | goto out_overflow; | |
6f723f77 | 5147 | res->rflags = be32_to_cpup(p++); |
cccddf4f | 5148 | bmlen = be32_to_cpup(p); |
05d564fe AA |
5149 | if (bmlen > 10) |
5150 | goto xdr_error; | |
1da177e4 | 5151 | |
c0eae66e BH |
5152 | p = xdr_inline_decode(xdr, bmlen << 2); |
5153 | if (unlikely(!p)) | |
5154 | goto out_overflow; | |
aa53ed54 JL |
5155 | savewords = min_t(uint32_t, bmlen, NFS4_BITMAP_SIZE); |
5156 | for (i = 0; i < savewords; ++i) | |
6f723f77 | 5157 | res->attrset[i] = be32_to_cpup(p++); |
aa53ed54 JL |
5158 | for (; i < NFS4_BITMAP_SIZE; i++) |
5159 | res->attrset[i] = 0; | |
5160 | ||
1da177e4 LT |
5161 | return decode_delegation(xdr, res); |
5162 | xdr_error: | |
3110ff80 | 5163 | dprintk("%s: Bitmap too large! Length = %u\n", __func__, bmlen); |
1da177e4 | 5164 | return -EIO; |
c0eae66e BH |
5165 | out_overflow: |
5166 | print_overflow_msg(__func__, xdr); | |
5167 | return -EIO; | |
1da177e4 LT |
5168 | } |
5169 | ||
5170 | static int decode_open_confirm(struct xdr_stream *xdr, struct nfs_open_confirmres *res) | |
5171 | { | |
1da177e4 LT |
5172 | int status; |
5173 | ||
05d564fe | 5174 | status = decode_op_hdr(xdr, OP_OPEN_CONFIRM); |
c1d51931 TM |
5175 | if (status != -EIO) |
5176 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 | 5177 | if (!status) |
93b717fd | 5178 | status = decode_open_stateid(xdr, &res->stateid); |
07d30434 | 5179 | return status; |
1da177e4 LT |
5180 | } |
5181 | ||
5182 | static int decode_open_downgrade(struct xdr_stream *xdr, struct nfs_closeres *res) | |
5183 | { | |
1da177e4 LT |
5184 | int status; |
5185 | ||
5186 | status = decode_op_hdr(xdr, OP_OPEN_DOWNGRADE); | |
c1d51931 TM |
5187 | if (status != -EIO) |
5188 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 | 5189 | if (!status) |
93b717fd | 5190 | status = decode_open_stateid(xdr, &res->stateid); |
07d30434 | 5191 | return status; |
1da177e4 LT |
5192 | } |
5193 | ||
5194 | static int decode_putfh(struct xdr_stream *xdr) | |
5195 | { | |
5196 | return decode_op_hdr(xdr, OP_PUTFH); | |
5197 | } | |
5198 | ||
5199 | static int decode_putrootfh(struct xdr_stream *xdr) | |
5200 | { | |
5201 | return decode_op_hdr(xdr, OP_PUTROOTFH); | |
5202 | } | |
5203 | ||
9137bdf3 AS |
5204 | static int decode_read(struct xdr_stream *xdr, struct rpc_rqst *req, |
5205 | struct nfs_pgio_res *res) | |
1da177e4 | 5206 | { |
8687b63a | 5207 | __be32 *p; |
64bd577e | 5208 | uint32_t count, eof, recvd; |
1da177e4 LT |
5209 | int status; |
5210 | ||
5211 | status = decode_op_hdr(xdr, OP_READ); | |
5212 | if (status) | |
5213 | return status; | |
c0eae66e BH |
5214 | p = xdr_inline_decode(xdr, 8); |
5215 | if (unlikely(!p)) | |
5216 | goto out_overflow; | |
6f723f77 | 5217 | eof = be32_to_cpup(p++); |
cccddf4f | 5218 | count = be32_to_cpup(p); |
64bd577e | 5219 | recvd = xdr_read_pages(xdr, count); |
1da177e4 | 5220 | if (count > recvd) { |
fe82a183 | 5221 | dprintk("NFS: server cheating in read reply: " |
1da177e4 LT |
5222 | "count %u > recvd %u\n", count, recvd); |
5223 | count = recvd; | |
5224 | eof = 0; | |
5225 | } | |
1da177e4 LT |
5226 | res->eof = eof; |
5227 | res->count = count; | |
5228 | return 0; | |
c0eae66e BH |
5229 | out_overflow: |
5230 | print_overflow_msg(__func__, xdr); | |
5231 | return -EIO; | |
1da177e4 LT |
5232 | } |
5233 | ||
5234 | static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs4_readdir_res *readdir) | |
5235 | { | |
bcecff77 | 5236 | int status; |
cd93710e | 5237 | __be32 verf[2]; |
1da177e4 LT |
5238 | |
5239 | status = decode_op_hdr(xdr, OP_READDIR); | |
db942bbd BH |
5240 | if (!status) |
5241 | status = decode_verifier(xdr, readdir->verifier.data); | |
5242 | if (unlikely(status)) | |
1da177e4 | 5243 | return status; |
cd93710e | 5244 | memcpy(verf, readdir->verifier.data, sizeof(verf)); |
44109241 | 5245 | dprintk("%s: verifier = %08x:%08x\n", |
cd93710e | 5246 | __func__, verf[0], verf[1]); |
64bd577e | 5247 | return xdr_read_pages(xdr, xdr->buf->page_len); |
1da177e4 LT |
5248 | } |
5249 | ||
5250 | static int decode_readlink(struct xdr_stream *xdr, struct rpc_rqst *req) | |
5251 | { | |
5252 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; | |
bcecff77 | 5253 | u32 len, recvd; |
8687b63a | 5254 | __be32 *p; |
1da177e4 LT |
5255 | int status; |
5256 | ||
5257 | status = decode_op_hdr(xdr, OP_READLINK); | |
5258 | if (status) | |
5259 | return status; | |
5260 | ||
5261 | /* Convert length of symlink */ | |
c0eae66e BH |
5262 | p = xdr_inline_decode(xdr, 4); |
5263 | if (unlikely(!p)) | |
5264 | goto out_overflow; | |
cccddf4f | 5265 | len = be32_to_cpup(p); |
1da177e4 | 5266 | if (len >= rcvbuf->page_len || len <= 0) { |
fe82a183 | 5267 | dprintk("nfs: server returned giant symlink!\n"); |
1da177e4 LT |
5268 | return -ENAMETOOLONG; |
5269 | } | |
64bd577e | 5270 | recvd = xdr_read_pages(xdr, len); |
1da177e4 | 5271 | if (recvd < len) { |
fe82a183 | 5272 | dprintk("NFS: server cheating in readlink reply: " |
1da177e4 LT |
5273 | "count %u > recvd %u\n", len, recvd); |
5274 | return -EIO; | |
5275 | } | |
1da177e4 LT |
5276 | /* |
5277 | * The XDR encode routine has set things up so that | |
5278 | * the link text will be copied directly into the | |
5279 | * buffer. We just have to do overflow-checking, | |
5280 | * and and null-terminate the text (the VFS expects | |
5281 | * null-termination). | |
5282 | */ | |
b4687da7 | 5283 | xdr_terminate_string(rcvbuf, len); |
1da177e4 | 5284 | return 0; |
c0eae66e BH |
5285 | out_overflow: |
5286 | print_overflow_msg(__func__, xdr); | |
5287 | return -EIO; | |
1da177e4 LT |
5288 | } |
5289 | ||
5290 | static int decode_remove(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
5291 | { | |
5292 | int status; | |
5293 | ||
5294 | status = decode_op_hdr(xdr, OP_REMOVE); | |
5295 | if (status) | |
5296 | goto out; | |
5297 | status = decode_change_info(xdr, cinfo); | |
5298 | out: | |
5299 | return status; | |
5300 | } | |
5301 | ||
5302 | static int decode_rename(struct xdr_stream *xdr, struct nfs4_change_info *old_cinfo, | |
5303 | struct nfs4_change_info *new_cinfo) | |
5304 | { | |
5305 | int status; | |
5306 | ||
5307 | status = decode_op_hdr(xdr, OP_RENAME); | |
5308 | if (status) | |
5309 | goto out; | |
5310 | if ((status = decode_change_info(xdr, old_cinfo))) | |
5311 | goto out; | |
5312 | status = decode_change_info(xdr, new_cinfo); | |
5313 | out: | |
5314 | return status; | |
5315 | } | |
5316 | ||
5317 | static int decode_renew(struct xdr_stream *xdr) | |
5318 | { | |
5319 | return decode_op_hdr(xdr, OP_RENEW); | |
5320 | } | |
5321 | ||
56ae19f3 TM |
5322 | static int |
5323 | decode_restorefh(struct xdr_stream *xdr) | |
5324 | { | |
5325 | return decode_op_hdr(xdr, OP_RESTOREFH); | |
5326 | } | |
5327 | ||
029d105e | 5328 | static int decode_getacl(struct xdr_stream *xdr, struct rpc_rqst *req, |
bf118a34 | 5329 | struct nfs_getaclres *res) |
029d105e | 5330 | { |
256e48bb | 5331 | unsigned int savep; |
029d105e | 5332 | uint32_t attrlen, |
dae100c2 | 5333 | bitmap[3] = {0}; |
029d105e | 5334 | int status; |
cff298c7 | 5335 | unsigned int pg_offset; |
029d105e | 5336 | |
bf118a34 | 5337 | res->acl_len = 0; |
029d105e BF |
5338 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
5339 | goto out; | |
5a006899 | 5340 | |
519d3959 TM |
5341 | xdr_enter_page(xdr, xdr->buf->page_len); |
5342 | ||
cff298c7 TM |
5343 | /* Calculate the offset of the page data */ |
5344 | pg_offset = xdr->buf->head[0].iov_len; | |
5a006899 | 5345 | |
029d105e BF |
5346 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) |
5347 | goto out; | |
5348 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
5349 | goto out; | |
5350 | ||
5351 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACL - 1U))) | |
5352 | return -EIO; | |
5353 | if (likely(bitmap[0] & FATTR4_WORD0_ACL)) { | |
029d105e | 5354 | |
bf118a34 AA |
5355 | /* The bitmap (xdr len + bitmaps) and the attr xdr len words |
5356 | * are stored with the acl data to handle the problem of | |
5357 | * variable length bitmaps.*/ | |
cff298c7 | 5358 | res->acl_data_offset = xdr_stream_pos(xdr) - pg_offset; |
519d3959 | 5359 | res->acl_len = attrlen; |
1f1ea6c2 TM |
5360 | |
5361 | /* Check for receive buffer overflow */ | |
5362 | if (res->acl_len > (xdr->nwords << 2) || | |
5363 | res->acl_len + res->acl_data_offset > xdr->buf->page_len) { | |
5364 | res->acl_flags |= NFS4_ACL_TRUNC; | |
519d3959 | 5365 | dprintk("NFS: acl reply: attrlen %u > page_len %u\n", |
cff298c7 | 5366 | attrlen, xdr->nwords << 2); |
029d105e | 5367 | } |
8c233cf9 BF |
5368 | } else |
5369 | status = -EOPNOTSUPP; | |
029d105e BF |
5370 | |
5371 | out: | |
5372 | return status; | |
5373 | } | |
5374 | ||
1da177e4 LT |
5375 | static int |
5376 | decode_savefh(struct xdr_stream *xdr) | |
5377 | { | |
5378 | return decode_op_hdr(xdr, OP_SAVEFH); | |
5379 | } | |
5380 | ||
9e9ecc03 | 5381 | static int decode_setattr(struct xdr_stream *xdr) |
1da177e4 | 5382 | { |
8687b63a | 5383 | __be32 *p; |
1da177e4 LT |
5384 | uint32_t bmlen; |
5385 | int status; | |
5386 | ||
1da177e4 LT |
5387 | status = decode_op_hdr(xdr, OP_SETATTR); |
5388 | if (status) | |
5389 | return status; | |
c0eae66e BH |
5390 | p = xdr_inline_decode(xdr, 4); |
5391 | if (unlikely(!p)) | |
5392 | goto out_overflow; | |
cccddf4f | 5393 | bmlen = be32_to_cpup(p); |
c0eae66e BH |
5394 | p = xdr_inline_decode(xdr, bmlen << 2); |
5395 | if (likely(p)) | |
5396 | return 0; | |
5397 | out_overflow: | |
5398 | print_overflow_msg(__func__, xdr); | |
5399 | return -EIO; | |
1da177e4 LT |
5400 | } |
5401 | ||
bb8b27e5 | 5402 | static int decode_setclientid(struct xdr_stream *xdr, struct nfs4_setclientid_res *res) |
1da177e4 | 5403 | { |
8687b63a | 5404 | __be32 *p; |
1da177e4 LT |
5405 | uint32_t opnum; |
5406 | int32_t nfserr; | |
5407 | ||
c0eae66e BH |
5408 | p = xdr_inline_decode(xdr, 8); |
5409 | if (unlikely(!p)) | |
5410 | goto out_overflow; | |
6f723f77 | 5411 | opnum = be32_to_cpup(p++); |
1da177e4 | 5412 | if (opnum != OP_SETCLIENTID) { |
fe82a183 | 5413 | dprintk("nfs: decode_setclientid: Server returned operation" |
6c0195a4 | 5414 | " %d\n", opnum); |
1da177e4 LT |
5415 | return -EIO; |
5416 | } | |
cccddf4f | 5417 | nfserr = be32_to_cpup(p); |
1da177e4 | 5418 | if (nfserr == NFS_OK) { |
c0eae66e BH |
5419 | p = xdr_inline_decode(xdr, 8 + NFS4_VERIFIER_SIZE); |
5420 | if (unlikely(!p)) | |
5421 | goto out_overflow; | |
bb8b27e5 TM |
5422 | p = xdr_decode_hyper(p, &res->clientid); |
5423 | memcpy(res->confirm.data, p, NFS4_VERIFIER_SIZE); | |
1da177e4 LT |
5424 | } else if (nfserr == NFSERR_CLID_INUSE) { |
5425 | uint32_t len; | |
5426 | ||
5427 | /* skip netid string */ | |
c0eae66e BH |
5428 | p = xdr_inline_decode(xdr, 4); |
5429 | if (unlikely(!p)) | |
5430 | goto out_overflow; | |
cccddf4f | 5431 | len = be32_to_cpup(p); |
c0eae66e BH |
5432 | p = xdr_inline_decode(xdr, len); |
5433 | if (unlikely(!p)) | |
5434 | goto out_overflow; | |
1da177e4 LT |
5435 | |
5436 | /* skip uaddr string */ | |
c0eae66e BH |
5437 | p = xdr_inline_decode(xdr, 4); |
5438 | if (unlikely(!p)) | |
5439 | goto out_overflow; | |
cccddf4f | 5440 | len = be32_to_cpup(p); |
c0eae66e BH |
5441 | p = xdr_inline_decode(xdr, len); |
5442 | if (unlikely(!p)) | |
5443 | goto out_overflow; | |
1da177e4 LT |
5444 | return -NFSERR_CLID_INUSE; |
5445 | } else | |
856dff3d | 5446 | return nfs4_stat_to_errno(nfserr); |
1da177e4 LT |
5447 | |
5448 | return 0; | |
c0eae66e BH |
5449 | out_overflow: |
5450 | print_overflow_msg(__func__, xdr); | |
5451 | return -EIO; | |
1da177e4 LT |
5452 | } |
5453 | ||
5454 | static int decode_setclientid_confirm(struct xdr_stream *xdr) | |
5455 | { | |
5456 | return decode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM); | |
5457 | } | |
5458 | ||
9137bdf3 | 5459 | static int decode_write(struct xdr_stream *xdr, struct nfs_pgio_res *res) |
1da177e4 | 5460 | { |
8687b63a | 5461 | __be32 *p; |
1da177e4 LT |
5462 | int status; |
5463 | ||
5464 | status = decode_op_hdr(xdr, OP_WRITE); | |
5465 | if (status) | |
5466 | return status; | |
5467 | ||
2f2c63bc | 5468 | p = xdr_inline_decode(xdr, 8); |
c0eae66e BH |
5469 | if (unlikely(!p)) |
5470 | goto out_overflow; | |
6f723f77 BH |
5471 | res->count = be32_to_cpup(p++); |
5472 | res->verf->committed = be32_to_cpup(p++); | |
2f2c63bc | 5473 | return decode_write_verifier(xdr, &res->verf->verifier); |
c0eae66e BH |
5474 | out_overflow: |
5475 | print_overflow_msg(__func__, xdr); | |
5476 | return -EIO; | |
1da177e4 LT |
5477 | } |
5478 | ||
5479 | static int decode_delegreturn(struct xdr_stream *xdr) | |
5480 | { | |
5481 | return decode_op_hdr(xdr, OP_DELEGRETURN); | |
5482 | } | |
5483 | ||
fb15b26f CL |
5484 | static int decode_secinfo_gss(struct xdr_stream *xdr, |
5485 | struct nfs4_secinfo4 *flavor) | |
5a5ea0d4 | 5486 | { |
fb15b26f | 5487 | u32 oid_len; |
5a5ea0d4 BS |
5488 | __be32 *p; |
5489 | ||
5490 | p = xdr_inline_decode(xdr, 4); | |
5491 | if (unlikely(!p)) | |
5492 | goto out_overflow; | |
fb15b26f CL |
5493 | oid_len = be32_to_cpup(p); |
5494 | if (oid_len > GSS_OID_MAX_LEN) | |
5a5ea0d4 BS |
5495 | goto out_err; |
5496 | ||
fb15b26f | 5497 | p = xdr_inline_decode(xdr, oid_len); |
5a5ea0d4 BS |
5498 | if (unlikely(!p)) |
5499 | goto out_overflow; | |
fb15b26f CL |
5500 | memcpy(flavor->flavor_info.oid.data, p, oid_len); |
5501 | flavor->flavor_info.oid.len = oid_len; | |
5a5ea0d4 BS |
5502 | |
5503 | p = xdr_inline_decode(xdr, 8); | |
5504 | if (unlikely(!p)) | |
5505 | goto out_overflow; | |
fb15b26f CL |
5506 | flavor->flavor_info.qop = be32_to_cpup(p++); |
5507 | flavor->flavor_info.service = be32_to_cpup(p); | |
5a5ea0d4 BS |
5508 | |
5509 | return 0; | |
5510 | ||
5511 | out_overflow: | |
5512 | print_overflow_msg(__func__, xdr); | |
5513 | return -EIO; | |
5514 | out_err: | |
5515 | return -EINVAL; | |
5516 | } | |
5517 | ||
31e4dda4 | 5518 | static int decode_secinfo_common(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
5a5ea0d4 | 5519 | { |
fb15b26f CL |
5520 | struct nfs4_secinfo4 *sec_flavor; |
5521 | unsigned int i, num_flavors; | |
5a5ea0d4 BS |
5522 | int status; |
5523 | __be32 *p; | |
5a5ea0d4 | 5524 | |
5a5ea0d4 BS |
5525 | p = xdr_inline_decode(xdr, 4); |
5526 | if (unlikely(!p)) | |
5527 | goto out_overflow; | |
5a5ea0d4 | 5528 | |
c3dfc280 BS |
5529 | res->flavors->num_flavors = 0; |
5530 | num_flavors = be32_to_cpup(p); | |
5531 | ||
5532 | for (i = 0; i < num_flavors; i++) { | |
5a5ea0d4 | 5533 | sec_flavor = &res->flavors->flavors[i]; |
c3dfc280 | 5534 | if ((char *)&sec_flavor[1] - (char *)res->flavors > PAGE_SIZE) |
5a5ea0d4 BS |
5535 | break; |
5536 | ||
5537 | p = xdr_inline_decode(xdr, 4); | |
5538 | if (unlikely(!p)) | |
5539 | goto out_overflow; | |
5540 | sec_flavor->flavor = be32_to_cpup(p); | |
5541 | ||
5542 | if (sec_flavor->flavor == RPC_AUTH_GSS) { | |
613e901e BS |
5543 | status = decode_secinfo_gss(xdr, sec_flavor); |
5544 | if (status) | |
5545 | goto out; | |
5a5ea0d4 | 5546 | } |
c3dfc280 | 5547 | res->flavors->num_flavors++; |
5a5ea0d4 BS |
5548 | } |
5549 | ||
31e4dda4 | 5550 | status = 0; |
613e901e BS |
5551 | out: |
5552 | return status; | |
5a5ea0d4 BS |
5553 | out_overflow: |
5554 | print_overflow_msg(__func__, xdr); | |
5555 | return -EIO; | |
5556 | } | |
5557 | ||
31e4dda4 BS |
5558 | static int decode_secinfo(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
5559 | { | |
5560 | int status = decode_op_hdr(xdr, OP_SECINFO); | |
5561 | if (status) | |
5562 | return status; | |
5563 | return decode_secinfo_common(xdr, res); | |
5564 | } | |
5565 | ||
99fe60d0 | 5566 | #if defined(CONFIG_NFS_V4_1) |
31e4dda4 BS |
5567 | static int decode_secinfo_no_name(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
5568 | { | |
5569 | int status = decode_op_hdr(xdr, OP_SECINFO_NO_NAME); | |
5570 | if (status) | |
5571 | return status; | |
5572 | return decode_secinfo_common(xdr, res); | |
5573 | } | |
5574 | ||
2031cd1a WAA |
5575 | static int decode_op_map(struct xdr_stream *xdr, struct nfs4_op_map *op_map) |
5576 | { | |
5577 | __be32 *p; | |
5578 | uint32_t bitmap_words; | |
5579 | unsigned int i; | |
5580 | ||
5581 | p = xdr_inline_decode(xdr, 4); | |
5582 | bitmap_words = be32_to_cpup(p++); | |
5583 | if (bitmap_words > NFS4_OP_MAP_NUM_WORDS) | |
5584 | return -EIO; | |
5585 | p = xdr_inline_decode(xdr, 4 * bitmap_words); | |
5586 | for (i = 0; i < bitmap_words; i++) | |
5587 | op_map->u.words[i] = be32_to_cpup(p++); | |
5588 | ||
5589 | return 0; | |
5590 | } | |
5591 | ||
99fe60d0 BH |
5592 | static int decode_exchange_id(struct xdr_stream *xdr, |
5593 | struct nfs41_exchange_id_res *res) | |
5594 | { | |
5595 | __be32 *p; | |
5596 | uint32_t dummy; | |
2460ba57 | 5597 | char *dummy_str; |
99fe60d0 | 5598 | int status; |
7d2ed9ac | 5599 | uint32_t impl_id_count; |
99fe60d0 BH |
5600 | |
5601 | status = decode_op_hdr(xdr, OP_EXCHANGE_ID); | |
5602 | if (status) | |
5603 | return status; | |
5604 | ||
c0eae66e BH |
5605 | p = xdr_inline_decode(xdr, 8); |
5606 | if (unlikely(!p)) | |
5607 | goto out_overflow; | |
32b01310 | 5608 | xdr_decode_hyper(p, &res->clientid); |
c0eae66e BH |
5609 | p = xdr_inline_decode(xdr, 12); |
5610 | if (unlikely(!p)) | |
5611 | goto out_overflow; | |
32b01310 TM |
5612 | res->seqid = be32_to_cpup(p++); |
5613 | res->flags = be32_to_cpup(p++); | |
99fe60d0 | 5614 | |
2031cd1a WAA |
5615 | res->state_protect.how = be32_to_cpup(p); |
5616 | switch (res->state_protect.how) { | |
5617 | case SP4_NONE: | |
5618 | break; | |
5619 | case SP4_MACH_CRED: | |
5620 | status = decode_op_map(xdr, &res->state_protect.enforce); | |
5621 | if (status) | |
5622 | return status; | |
5623 | status = decode_op_map(xdr, &res->state_protect.allow); | |
5624 | if (status) | |
5625 | return status; | |
5626 | break; | |
5627 | default: | |
5628 | WARN_ON_ONCE(1); | |
99fe60d0 | 5629 | return -EIO; |
2031cd1a | 5630 | } |
99fe60d0 | 5631 | |
acdeb69d | 5632 | /* server_owner4.so_minor_id */ |
c0eae66e BH |
5633 | p = xdr_inline_decode(xdr, 8); |
5634 | if (unlikely(!p)) | |
5635 | goto out_overflow; | |
acdeb69d | 5636 | p = xdr_decode_hyper(p, &res->server_owner->minor_id); |
99fe60d0 | 5637 | |
acdeb69d | 5638 | /* server_owner4.so_major_id */ |
2460ba57 BH |
5639 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
5640 | if (unlikely(status)) | |
5641 | return status; | |
acdeb69d CL |
5642 | memcpy(res->server_owner->major_id, dummy_str, dummy); |
5643 | res->server_owner->major_id_sz = dummy; | |
99fe60d0 | 5644 | |
acdeb69d | 5645 | /* server_scope4 */ |
2460ba57 BH |
5646 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
5647 | if (unlikely(status)) | |
5648 | return status; | |
78fe0f41 WAA |
5649 | memcpy(res->server_scope->server_scope, dummy_str, dummy); |
5650 | res->server_scope->server_scope_sz = dummy; | |
5651 | ||
7d2ed9ac WAA |
5652 | /* Implementation Id */ |
5653 | p = xdr_inline_decode(xdr, 4); | |
5654 | if (unlikely(!p)) | |
5655 | goto out_overflow; | |
5656 | impl_id_count = be32_to_cpup(p++); | |
99fe60d0 | 5657 | |
7d2ed9ac WAA |
5658 | if (impl_id_count) { |
5659 | /* nii_domain */ | |
5660 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); | |
5661 | if (unlikely(status)) | |
5662 | return status; | |
7d2ed9ac WAA |
5663 | memcpy(res->impl_id->domain, dummy_str, dummy); |
5664 | ||
5665 | /* nii_name */ | |
5666 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); | |
5667 | if (unlikely(status)) | |
5668 | return status; | |
7d2ed9ac WAA |
5669 | memcpy(res->impl_id->name, dummy_str, dummy); |
5670 | ||
5671 | /* nii_date */ | |
5672 | p = xdr_inline_decode(xdr, 12); | |
5673 | if (unlikely(!p)) | |
5674 | goto out_overflow; | |
5675 | p = xdr_decode_hyper(p, &res->impl_id->date.seconds); | |
5676 | res->impl_id->date.nseconds = be32_to_cpup(p); | |
5677 | ||
5678 | /* if there's more than one entry, ignore the rest */ | |
5679 | } | |
99fe60d0 | 5680 | return 0; |
c0eae66e BH |
5681 | out_overflow: |
5682 | print_overflow_msg(__func__, xdr); | |
5683 | return -EIO; | |
99fe60d0 | 5684 | } |
fc931582 AA |
5685 | |
5686 | static int decode_chan_attrs(struct xdr_stream *xdr, | |
5687 | struct nfs4_channel_attrs *attrs) | |
5688 | { | |
5689 | __be32 *p; | |
c9c30dd5 | 5690 | u32 nr_attrs, val; |
fc931582 | 5691 | |
c0eae66e BH |
5692 | p = xdr_inline_decode(xdr, 28); |
5693 | if (unlikely(!p)) | |
5694 | goto out_overflow; | |
c9c30dd5 BH |
5695 | val = be32_to_cpup(p++); /* headerpadsz */ |
5696 | if (val) | |
5697 | return -EINVAL; /* no support for header padding yet */ | |
6f723f77 BH |
5698 | attrs->max_rqst_sz = be32_to_cpup(p++); |
5699 | attrs->max_resp_sz = be32_to_cpup(p++); | |
5700 | attrs->max_resp_sz_cached = be32_to_cpup(p++); | |
5701 | attrs->max_ops = be32_to_cpup(p++); | |
5702 | attrs->max_reqs = be32_to_cpup(p++); | |
cccddf4f | 5703 | nr_attrs = be32_to_cpup(p); |
fc931582 | 5704 | if (unlikely(nr_attrs > 1)) { |
a030889a WAA |
5705 | printk(KERN_WARNING "NFS: %s: Invalid rdma channel attrs " |
5706 | "count %u\n", __func__, nr_attrs); | |
fc931582 AA |
5707 | return -EINVAL; |
5708 | } | |
c0eae66e BH |
5709 | if (nr_attrs == 1) { |
5710 | p = xdr_inline_decode(xdr, 4); /* skip rdma_attrs */ | |
5711 | if (unlikely(!p)) | |
5712 | goto out_overflow; | |
5713 | } | |
fc931582 | 5714 | return 0; |
c0eae66e BH |
5715 | out_overflow: |
5716 | print_overflow_msg(__func__, xdr); | |
5717 | return -EIO; | |
fc931582 AA |
5718 | } |
5719 | ||
e78291e4 BH |
5720 | static int decode_sessionid(struct xdr_stream *xdr, struct nfs4_sessionid *sid) |
5721 | { | |
5722 | return decode_opaque_fixed(xdr, sid->data, NFS4_MAX_SESSIONID_LEN); | |
fc931582 AA |
5723 | } |
5724 | ||
7c44f1ae WAA |
5725 | static int decode_bind_conn_to_session(struct xdr_stream *xdr, |
5726 | struct nfs41_bind_conn_to_session_res *res) | |
5727 | { | |
5728 | __be32 *p; | |
5729 | int status; | |
5730 | ||
5731 | status = decode_op_hdr(xdr, OP_BIND_CONN_TO_SESSION); | |
5732 | if (!status) | |
71a097c6 | 5733 | status = decode_sessionid(xdr, &res->sessionid); |
7c44f1ae WAA |
5734 | if (unlikely(status)) |
5735 | return status; | |
5736 | ||
5737 | /* dir flags, rdma mode bool */ | |
5738 | p = xdr_inline_decode(xdr, 8); | |
5739 | if (unlikely(!p)) | |
5740 | goto out_overflow; | |
5741 | ||
5742 | res->dir = be32_to_cpup(p++); | |
5743 | if (res->dir == 0 || res->dir > NFS4_CDFS4_BOTH) | |
5744 | return -EIO; | |
5745 | if (be32_to_cpup(p) == 0) | |
5746 | res->use_conn_in_rdma_mode = false; | |
5747 | else | |
5748 | res->use_conn_in_rdma_mode = true; | |
5749 | ||
5750 | return 0; | |
5751 | out_overflow: | |
5752 | print_overflow_msg(__func__, xdr); | |
5753 | return -EIO; | |
5754 | } | |
5755 | ||
fc931582 AA |
5756 | static int decode_create_session(struct xdr_stream *xdr, |
5757 | struct nfs41_create_session_res *res) | |
5758 | { | |
5759 | __be32 *p; | |
5760 | int status; | |
fc931582 AA |
5761 | |
5762 | status = decode_op_hdr(xdr, OP_CREATE_SESSION); | |
e78291e4 | 5763 | if (!status) |
79969dd1 | 5764 | status = decode_sessionid(xdr, &res->sessionid); |
e78291e4 | 5765 | if (unlikely(status)) |
fc931582 AA |
5766 | return status; |
5767 | ||
fc931582 | 5768 | /* seqid, flags */ |
c0eae66e BH |
5769 | p = xdr_inline_decode(xdr, 8); |
5770 | if (unlikely(!p)) | |
5771 | goto out_overflow; | |
79969dd1 TM |
5772 | res->seqid = be32_to_cpup(p++); |
5773 | res->flags = be32_to_cpup(p); | |
fc931582 AA |
5774 | |
5775 | /* Channel attributes */ | |
79969dd1 | 5776 | status = decode_chan_attrs(xdr, &res->fc_attrs); |
fc931582 | 5777 | if (!status) |
79969dd1 | 5778 | status = decode_chan_attrs(xdr, &res->bc_attrs); |
fc931582 | 5779 | return status; |
c0eae66e BH |
5780 | out_overflow: |
5781 | print_overflow_msg(__func__, xdr); | |
5782 | return -EIO; | |
fc931582 | 5783 | } |
0f3e66c6 AA |
5784 | |
5785 | static int decode_destroy_session(struct xdr_stream *xdr, void *dummy) | |
5786 | { | |
5787 | return decode_op_hdr(xdr, OP_DESTROY_SESSION); | |
5788 | } | |
18019753 | 5789 | |
66245539 TM |
5790 | static int decode_destroy_clientid(struct xdr_stream *xdr, void *dummy) |
5791 | { | |
5792 | return decode_op_hdr(xdr, OP_DESTROY_CLIENTID); | |
5793 | } | |
5794 | ||
18019753 RL |
5795 | static int decode_reclaim_complete(struct xdr_stream *xdr, void *dummy) |
5796 | { | |
5797 | return decode_op_hdr(xdr, OP_RECLAIM_COMPLETE); | |
5798 | } | |
99fe60d0 BH |
5799 | #endif /* CONFIG_NFS_V4_1 */ |
5800 | ||
9b7b9fcc AA |
5801 | static int decode_sequence(struct xdr_stream *xdr, |
5802 | struct nfs4_sequence_res *res, | |
5803 | struct rpc_rqst *rqstp) | |
5804 | { | |
5805 | #if defined(CONFIG_NFS_V4_1) | |
e3725ec0 | 5806 | struct nfs4_session *session; |
fc01cea9 AA |
5807 | struct nfs4_sessionid id; |
5808 | u32 dummy; | |
5809 | int status; | |
5810 | __be32 *p; | |
5811 | ||
e3725ec0 | 5812 | if (res->sr_slot == NULL) |
9b7b9fcc | 5813 | return 0; |
3bd2384a CL |
5814 | if (!res->sr_slot->table->session) |
5815 | return 0; | |
9b7b9fcc | 5816 | |
fc01cea9 | 5817 | status = decode_op_hdr(xdr, OP_SEQUENCE); |
e78291e4 BH |
5818 | if (!status) |
5819 | status = decode_sessionid(xdr, &id); | |
5820 | if (unlikely(status)) | |
fc01cea9 | 5821 | goto out_err; |
9b7b9fcc | 5822 | |
fc01cea9 AA |
5823 | /* |
5824 | * If the server returns different values for sessionID, slotID or | |
5825 | * sequence number, the server is looney tunes. | |
5826 | */ | |
fdcb4577 | 5827 | status = -EREMOTEIO; |
e3725ec0 | 5828 | session = res->sr_slot->table->session; |
fc01cea9 | 5829 | |
e3725ec0 | 5830 | if (memcmp(id.data, session->sess_id.data, |
fc01cea9 AA |
5831 | NFS4_MAX_SESSIONID_LEN)) { |
5832 | dprintk("%s Invalid session id\n", __func__); | |
5833 | goto out_err; | |
5834 | } | |
e78291e4 | 5835 | |
c0eae66e BH |
5836 | p = xdr_inline_decode(xdr, 20); |
5837 | if (unlikely(!p)) | |
5838 | goto out_overflow; | |
e78291e4 | 5839 | |
fc01cea9 | 5840 | /* seqid */ |
6f723f77 | 5841 | dummy = be32_to_cpup(p++); |
dfb4f309 | 5842 | if (dummy != res->sr_slot->seq_nr) { |
fc01cea9 AA |
5843 | dprintk("%s Invalid sequence number\n", __func__); |
5844 | goto out_err; | |
5845 | } | |
5846 | /* slot id */ | |
6f723f77 | 5847 | dummy = be32_to_cpup(p++); |
df2fabff | 5848 | if (dummy != res->sr_slot->slot_nr) { |
fc01cea9 AA |
5849 | dprintk("%s Invalid slot id\n", __func__); |
5850 | goto out_err; | |
5851 | } | |
da0507b7 TM |
5852 | /* highest slot id */ |
5853 | res->sr_highest_slotid = be32_to_cpup(p++); | |
464ee9f9 TM |
5854 | /* target highest slot id */ |
5855 | res->sr_target_highest_slotid = be32_to_cpup(p++); | |
0629e370 AB |
5856 | /* result flags */ |
5857 | res->sr_status_flags = be32_to_cpup(p); | |
fc01cea9 AA |
5858 | status = 0; |
5859 | out_err: | |
5860 | res->sr_status = status; | |
5861 | return status; | |
c0eae66e BH |
5862 | out_overflow: |
5863 | print_overflow_msg(__func__, xdr); | |
5864 | status = -EIO; | |
5865 | goto out_err; | |
fc01cea9 | 5866 | #else /* CONFIG_NFS_V4_1 */ |
9b7b9fcc | 5867 | return 0; |
fc01cea9 | 5868 | #endif /* CONFIG_NFS_V4_1 */ |
9b7b9fcc AA |
5869 | } |
5870 | ||
b1f69b75 | 5871 | #if defined(CONFIG_NFS_V4_1) |
93b717fd TM |
5872 | static int decode_layout_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) |
5873 | { | |
5874 | stateid->type = NFS4_LAYOUT_STATEID_TYPE; | |
5875 | return decode_stateid(xdr, stateid); | |
5876 | } | |
5877 | ||
b1f69b75 | 5878 | static int decode_getdeviceinfo(struct xdr_stream *xdr, |
4e590803 | 5879 | struct nfs4_getdeviceinfo_res *res) |
b1f69b75 | 5880 | { |
4e590803 | 5881 | struct pnfs_device *pdev = res->pdev; |
b1f69b75 AA |
5882 | __be32 *p; |
5883 | uint32_t len, type; | |
5884 | int status; | |
5885 | ||
5886 | status = decode_op_hdr(xdr, OP_GETDEVICEINFO); | |
5887 | if (status) { | |
5888 | if (status == -ETOOSMALL) { | |
5889 | p = xdr_inline_decode(xdr, 4); | |
5890 | if (unlikely(!p)) | |
5891 | goto out_overflow; | |
5892 | pdev->mincount = be32_to_cpup(p); | |
5893 | dprintk("%s: Min count too small. mincnt = %u\n", | |
5894 | __func__, pdev->mincount); | |
5895 | } | |
5896 | return status; | |
5897 | } | |
5898 | ||
5899 | p = xdr_inline_decode(xdr, 8); | |
5900 | if (unlikely(!p)) | |
5901 | goto out_overflow; | |
5902 | type = be32_to_cpup(p++); | |
5903 | if (type != pdev->layout_type) { | |
5904 | dprintk("%s: layout mismatch req: %u pdev: %u\n", | |
5905 | __func__, pdev->layout_type, type); | |
5906 | return -EINVAL; | |
5907 | } | |
5908 | /* | |
5909 | * Get the length of the opaque device_addr4. xdr_read_pages places | |
5910 | * the opaque device_addr4 in the xdr_buf->pages (pnfs_device->pages) | |
5911 | * and places the remaining xdr data in xdr_buf->tail | |
5912 | */ | |
5913 | pdev->mincount = be32_to_cpup(p); | |
13fe4ba1 TM |
5914 | if (xdr_read_pages(xdr, pdev->mincount) != pdev->mincount) |
5915 | goto out_overflow; | |
b1f69b75 AA |
5916 | |
5917 | /* Parse notification bitmap, verifying that it is zero. */ | |
5918 | p = xdr_inline_decode(xdr, 4); | |
5919 | if (unlikely(!p)) | |
5920 | goto out_overflow; | |
5921 | len = be32_to_cpup(p); | |
5922 | if (len) { | |
ead00597 | 5923 | uint32_t i; |
b1f69b75 AA |
5924 | |
5925 | p = xdr_inline_decode(xdr, 4 * len); | |
5926 | if (unlikely(!p)) | |
5927 | goto out_overflow; | |
84c9dee3 | 5928 | |
4e590803 | 5929 | res->notification = be32_to_cpup(p++); |
84c9dee3 CH |
5930 | for (i = 1; i < len; i++) { |
5931 | if (be32_to_cpup(p++)) { | |
5932 | dprintk("%s: unsupported notification\n", | |
b1f69b75 AA |
5933 | __func__); |
5934 | return -EIO; | |
5935 | } | |
5936 | } | |
5937 | } | |
5938 | return 0; | |
5939 | out_overflow: | |
5940 | print_overflow_msg(__func__, xdr); | |
5941 | return -EIO; | |
5942 | } | |
5943 | ||
5944 | static int decode_layoutget(struct xdr_stream *xdr, struct rpc_rqst *req, | |
5945 | struct nfs4_layoutget_res *res) | |
5946 | { | |
5947 | __be32 *p; | |
5948 | int status; | |
5949 | u32 layout_count; | |
64bd577e | 5950 | u32 recvd; |
b1f69b75 AA |
5951 | |
5952 | status = decode_op_hdr(xdr, OP_LAYOUTGET); | |
5953 | if (status) | |
5954 | return status; | |
ea9d23f5 TM |
5955 | p = xdr_inline_decode(xdr, 4); |
5956 | if (unlikely(!p)) | |
5957 | goto out_overflow; | |
5958 | res->return_on_close = be32_to_cpup(p); | |
93b717fd | 5959 | decode_layout_stateid(xdr, &res->stateid); |
ea9d23f5 | 5960 | p = xdr_inline_decode(xdr, 4); |
b1f69b75 AA |
5961 | if (unlikely(!p)) |
5962 | goto out_overflow; | |
b1f69b75 AA |
5963 | layout_count = be32_to_cpup(p); |
5964 | if (!layout_count) { | |
5965 | dprintk("%s: server responded with empty layout array\n", | |
5966 | __func__); | |
5967 | return -EINVAL; | |
5968 | } | |
5969 | ||
35124a09 | 5970 | p = xdr_inline_decode(xdr, 28); |
b1f69b75 AA |
5971 | if (unlikely(!p)) |
5972 | goto out_overflow; | |
5973 | p = xdr_decode_hyper(p, &res->range.offset); | |
5974 | p = xdr_decode_hyper(p, &res->range.length); | |
5975 | res->range.iomode = be32_to_cpup(p++); | |
5976 | res->type = be32_to_cpup(p++); | |
35124a09 | 5977 | res->layoutp->len = be32_to_cpup(p); |
b1f69b75 AA |
5978 | |
5979 | dprintk("%s roff:%lu rlen:%lu riomode:%d, lo_type:0x%x, lo.len:%d\n", | |
5980 | __func__, | |
5981 | (unsigned long)res->range.offset, | |
5982 | (unsigned long)res->range.length, | |
5983 | res->range.iomode, | |
5984 | res->type, | |
35124a09 WAA |
5985 | res->layoutp->len); |
5986 | ||
64bd577e | 5987 | recvd = xdr_read_pages(xdr, res->layoutp->len); |
35124a09 WAA |
5988 | if (res->layoutp->len > recvd) { |
5989 | dprintk("NFS: server cheating in layoutget reply: " | |
5990 | "layout len %u > recvd %u\n", | |
5991 | res->layoutp->len, recvd); | |
5992 | return -EINVAL; | |
5993 | } | |
b1f69b75 | 5994 | |
b1f69b75 AA |
5995 | if (layout_count > 1) { |
5996 | /* We only handle a length one array at the moment. Any | |
5997 | * further entries are just ignored. Note that this means | |
5998 | * the client may see a response that is less than the | |
5999 | * minimum it requested. | |
6000 | */ | |
6001 | dprintk("%s: server responded with %d layouts, dropping tail\n", | |
6002 | __func__, layout_count); | |
6003 | } | |
6004 | ||
6005 | return 0; | |
6006 | out_overflow: | |
6007 | print_overflow_msg(__func__, xdr); | |
6008 | return -EIO; | |
6009 | } | |
863a3c6c | 6010 | |
cbe82603 BH |
6011 | static int decode_layoutreturn(struct xdr_stream *xdr, |
6012 | struct nfs4_layoutreturn_res *res) | |
6013 | { | |
6014 | __be32 *p; | |
6015 | int status; | |
6016 | ||
6017 | status = decode_op_hdr(xdr, OP_LAYOUTRETURN); | |
6018 | if (status) | |
6019 | return status; | |
6020 | p = xdr_inline_decode(xdr, 4); | |
6021 | if (unlikely(!p)) | |
6022 | goto out_overflow; | |
6023 | res->lrs_present = be32_to_cpup(p); | |
6024 | if (res->lrs_present) | |
93b717fd | 6025 | status = decode_layout_stateid(xdr, &res->stateid); |
cbe82603 BH |
6026 | return status; |
6027 | out_overflow: | |
6028 | print_overflow_msg(__func__, xdr); | |
6029 | return -EIO; | |
6030 | } | |
6031 | ||
863a3c6c AA |
6032 | static int decode_layoutcommit(struct xdr_stream *xdr, |
6033 | struct rpc_rqst *req, | |
6034 | struct nfs4_layoutcommit_res *res) | |
6035 | { | |
6036 | __be32 *p; | |
6037 | __u32 sizechanged; | |
6038 | int status; | |
6039 | ||
6040 | status = decode_op_hdr(xdr, OP_LAYOUTCOMMIT); | |
db29c089 | 6041 | res->status = status; |
863a3c6c AA |
6042 | if (status) |
6043 | return status; | |
6044 | ||
6045 | p = xdr_inline_decode(xdr, 4); | |
6046 | if (unlikely(!p)) | |
6047 | goto out_overflow; | |
6048 | sizechanged = be32_to_cpup(p); | |
6049 | ||
6050 | if (sizechanged) { | |
6051 | /* throw away new size */ | |
6052 | p = xdr_inline_decode(xdr, 8); | |
6053 | if (unlikely(!p)) | |
6054 | goto out_overflow; | |
6055 | } | |
6056 | return 0; | |
6057 | out_overflow: | |
6058 | print_overflow_msg(__func__, xdr); | |
6059 | return -EIO; | |
6060 | } | |
7d974794 BS |
6061 | |
6062 | static int decode_test_stateid(struct xdr_stream *xdr, | |
6063 | struct nfs41_test_stateid_res *res) | |
6064 | { | |
6065 | __be32 *p; | |
6066 | int status; | |
6067 | int num_res; | |
6068 | ||
6069 | status = decode_op_hdr(xdr, OP_TEST_STATEID); | |
6070 | if (status) | |
6071 | return status; | |
6072 | ||
6073 | p = xdr_inline_decode(xdr, 4); | |
6074 | if (unlikely(!p)) | |
6075 | goto out_overflow; | |
6076 | num_res = be32_to_cpup(p++); | |
6077 | if (num_res != 1) | |
6078 | goto out; | |
6079 | ||
6080 | p = xdr_inline_decode(xdr, 4); | |
6081 | if (unlikely(!p)) | |
6082 | goto out_overflow; | |
6083 | res->status = be32_to_cpup(p++); | |
1cab0652 BS |
6084 | |
6085 | return status; | |
7d974794 BS |
6086 | out_overflow: |
6087 | print_overflow_msg(__func__, xdr); | |
6088 | out: | |
6089 | return -EIO; | |
6090 | } | |
9aeda35f BS |
6091 | |
6092 | static int decode_free_stateid(struct xdr_stream *xdr, | |
6093 | struct nfs41_free_stateid_res *res) | |
6094 | { | |
9f79fb48 | 6095 | res->status = decode_op_hdr(xdr, OP_FREE_STATEID); |
9aeda35f | 6096 | return res->status; |
9aeda35f | 6097 | } |
cf805165 TM |
6098 | #else |
6099 | static inline | |
6100 | int decode_layoutreturn(struct xdr_stream *xdr, | |
6101 | struct nfs4_layoutreturn_res *res) | |
6102 | { | |
6103 | return 0; | |
6104 | } | |
b1f69b75 AA |
6105 | #endif /* CONFIG_NFS_V4_1 */ |
6106 | ||
49c2559e BH |
6107 | /* |
6108 | * END OF "GENERIC" DECODE ROUTINES. | |
6109 | */ | |
6110 | ||
1da177e4 LT |
6111 | /* |
6112 | * Decode OPEN_DOWNGRADE response | |
6113 | */ | |
bf269551 CL |
6114 | static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst *rqstp, |
6115 | struct xdr_stream *xdr, | |
6116 | struct nfs_closeres *res) | |
1da177e4 | 6117 | { |
05d564fe AA |
6118 | struct compound_hdr hdr; |
6119 | int status; | |
6120 | ||
bf269551 | 6121 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6122 | if (status) |
6123 | goto out; | |
bf269551 | 6124 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6125 | if (status) |
6126 | goto out; | |
bf269551 | 6127 | status = decode_putfh(xdr); |
05d564fe AA |
6128 | if (status) |
6129 | goto out; | |
b6808145 TM |
6130 | if (res->lr_res) { |
6131 | status = decode_layoutreturn(xdr, res->lr_res); | |
6132 | res->lr_ret = status; | |
6133 | if (status) | |
6134 | goto out; | |
6135 | } | |
bf269551 | 6136 | status = decode_open_downgrade(xdr, res); |
1da177e4 | 6137 | out: |
05d564fe | 6138 | return status; |
1da177e4 LT |
6139 | } |
6140 | ||
1da177e4 LT |
6141 | /* |
6142 | * Decode ACCESS response | |
6143 | */ | |
bf269551 CL |
6144 | static int nfs4_xdr_dec_access(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6145 | struct nfs4_accessres *res) | |
1da177e4 | 6146 | { |
1da177e4 LT |
6147 | struct compound_hdr hdr; |
6148 | int status; | |
6c0195a4 | 6149 | |
bf269551 | 6150 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6151 | if (status) |
6152 | goto out; | |
bf269551 | 6153 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6154 | if (status) |
1da177e4 | 6155 | goto out; |
bf269551 | 6156 | status = decode_putfh(xdr); |
76b32999 TM |
6157 | if (status != 0) |
6158 | goto out; | |
6168f62c | 6159 | status = decode_access(xdr, &res->supported, &res->access); |
76b32999 TM |
6160 | if (status != 0) |
6161 | goto out; | |
6926afd1 | 6162 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6163 | out: |
6164 | return status; | |
6165 | } | |
6166 | ||
6167 | /* | |
6168 | * Decode LOOKUP response | |
6169 | */ | |
bf269551 CL |
6170 | static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6171 | struct nfs4_lookup_res *res) | |
1da177e4 | 6172 | { |
1da177e4 LT |
6173 | struct compound_hdr hdr; |
6174 | int status; | |
6c0195a4 | 6175 | |
bf269551 | 6176 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6177 | if (status) |
6178 | goto out; | |
bf269551 | 6179 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6180 | if (status) |
1da177e4 | 6181 | goto out; |
bf269551 CL |
6182 | status = decode_putfh(xdr); |
6183 | if (status) | |
1da177e4 | 6184 | goto out; |
bf269551 CL |
6185 | status = decode_lookup(xdr); |
6186 | if (status) | |
1da177e4 | 6187 | goto out; |
bf269551 CL |
6188 | status = decode_getfh(xdr, res->fh); |
6189 | if (status) | |
1da177e4 | 6190 | goto out; |
aa9c2669 | 6191 | status = decode_getfattr_label(xdr, res->fattr, res->label, res->server); |
1da177e4 LT |
6192 | out: |
6193 | return status; | |
6194 | } | |
6195 | ||
6196 | /* | |
6197 | * Decode LOOKUP_ROOT response | |
6198 | */ | |
bf269551 CL |
6199 | static int nfs4_xdr_dec_lookup_root(struct rpc_rqst *rqstp, |
6200 | struct xdr_stream *xdr, | |
6201 | struct nfs4_lookup_res *res) | |
1da177e4 | 6202 | { |
1da177e4 LT |
6203 | struct compound_hdr hdr; |
6204 | int status; | |
6c0195a4 | 6205 | |
bf269551 | 6206 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6207 | if (status) |
6208 | goto out; | |
bf269551 | 6209 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6210 | if (status) |
1da177e4 | 6211 | goto out; |
bf269551 CL |
6212 | status = decode_putrootfh(xdr); |
6213 | if (status) | |
1da177e4 | 6214 | goto out; |
bf269551 CL |
6215 | status = decode_getfh(xdr, res->fh); |
6216 | if (status == 0) | |
aa9c2669 DQ |
6217 | status = decode_getfattr_label(xdr, res->fattr, |
6218 | res->label, res->server); | |
1da177e4 LT |
6219 | out: |
6220 | return status; | |
6221 | } | |
6222 | ||
6223 | /* | |
6224 | * Decode REMOVE response | |
6225 | */ | |
bf269551 CL |
6226 | static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6227 | struct nfs_removeres *res) | |
1da177e4 | 6228 | { |
1da177e4 LT |
6229 | struct compound_hdr hdr; |
6230 | int status; | |
6c0195a4 | 6231 | |
bf269551 | 6232 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6233 | if (status) |
6234 | goto out; | |
bf269551 | 6235 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6236 | if (status) |
1da177e4 | 6237 | goto out; |
bf269551 CL |
6238 | status = decode_putfh(xdr); |
6239 | if (status) | |
16e42959 | 6240 | goto out; |
bf269551 | 6241 | status = decode_remove(xdr, &res->cinfo); |
1da177e4 LT |
6242 | out: |
6243 | return status; | |
6244 | } | |
6245 | ||
6246 | /* | |
6247 | * Decode RENAME response | |
6248 | */ | |
bf269551 CL |
6249 | static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6250 | struct nfs_renameres *res) | |
1da177e4 | 6251 | { |
1da177e4 LT |
6252 | struct compound_hdr hdr; |
6253 | int status; | |
6c0195a4 | 6254 | |
bf269551 | 6255 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6256 | if (status) |
6257 | goto out; | |
bf269551 | 6258 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6259 | if (status) |
1da177e4 | 6260 | goto out; |
bf269551 CL |
6261 | status = decode_putfh(xdr); |
6262 | if (status) | |
1da177e4 | 6263 | goto out; |
bf269551 CL |
6264 | status = decode_savefh(xdr); |
6265 | if (status) | |
1da177e4 | 6266 | goto out; |
bf269551 CL |
6267 | status = decode_putfh(xdr); |
6268 | if (status) | |
1da177e4 | 6269 | goto out; |
bf269551 | 6270 | status = decode_rename(xdr, &res->old_cinfo, &res->new_cinfo); |
1da177e4 LT |
6271 | out: |
6272 | return status; | |
6273 | } | |
6274 | ||
6275 | /* | |
6276 | * Decode LINK response | |
6277 | */ | |
bf269551 CL |
6278 | static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6279 | struct nfs4_link_res *res) | |
1da177e4 | 6280 | { |
1da177e4 LT |
6281 | struct compound_hdr hdr; |
6282 | int status; | |
6c0195a4 | 6283 | |
bf269551 | 6284 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6285 | if (status) |
6286 | goto out; | |
bf269551 | 6287 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6288 | if (status) |
1da177e4 | 6289 | goto out; |
bf269551 CL |
6290 | status = decode_putfh(xdr); |
6291 | if (status) | |
1da177e4 | 6292 | goto out; |
bf269551 CL |
6293 | status = decode_savefh(xdr); |
6294 | if (status) | |
1da177e4 | 6295 | goto out; |
bf269551 CL |
6296 | status = decode_putfh(xdr); |
6297 | if (status) | |
1da177e4 | 6298 | goto out; |
bf269551 CL |
6299 | status = decode_link(xdr, &res->cinfo); |
6300 | if (status) | |
91ba2eee TM |
6301 | goto out; |
6302 | /* | |
6303 | * Note order: OP_LINK leaves the directory as the current | |
6304 | * filehandle. | |
6305 | */ | |
bf269551 CL |
6306 | status = decode_restorefh(xdr); |
6307 | if (status) | |
91ba2eee | 6308 | goto out; |
aa9c2669 | 6309 | decode_getfattr_label(xdr, res->fattr, res->label, res->server); |
1da177e4 LT |
6310 | out: |
6311 | return status; | |
6312 | } | |
6313 | ||
6314 | /* | |
6315 | * Decode CREATE response | |
6316 | */ | |
bf269551 CL |
6317 | static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6318 | struct nfs4_create_res *res) | |
1da177e4 | 6319 | { |
1da177e4 LT |
6320 | struct compound_hdr hdr; |
6321 | int status; | |
6c0195a4 | 6322 | |
bf269551 | 6323 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6324 | if (status) |
6325 | goto out; | |
bf269551 | 6326 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6327 | if (status) |
1da177e4 | 6328 | goto out; |
bf269551 | 6329 | status = decode_putfh(xdr); |
bf269551 | 6330 | if (status) |
56ae19f3 | 6331 | goto out; |
bf269551 CL |
6332 | status = decode_create(xdr, &res->dir_cinfo); |
6333 | if (status) | |
1da177e4 | 6334 | goto out; |
bf269551 CL |
6335 | status = decode_getfh(xdr, res->fh); |
6336 | if (status) | |
1da177e4 | 6337 | goto out; |
aa9c2669 | 6338 | decode_getfattr_label(xdr, res->fattr, res->label, res->server); |
1da177e4 LT |
6339 | out: |
6340 | return status; | |
6341 | } | |
6342 | ||
6343 | /* | |
6344 | * Decode SYMLINK response | |
6345 | */ | |
bf269551 CL |
6346 | static int nfs4_xdr_dec_symlink(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6347 | struct nfs4_create_res *res) | |
1da177e4 | 6348 | { |
bf269551 | 6349 | return nfs4_xdr_dec_create(rqstp, xdr, res); |
1da177e4 LT |
6350 | } |
6351 | ||
6352 | /* | |
6353 | * Decode GETATTR response | |
6354 | */ | |
bf269551 CL |
6355 | static int nfs4_xdr_dec_getattr(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6356 | struct nfs4_getattr_res *res) | |
1da177e4 | 6357 | { |
1da177e4 LT |
6358 | struct compound_hdr hdr; |
6359 | int status; | |
6c0195a4 | 6360 | |
bf269551 | 6361 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6362 | if (status) |
6363 | goto out; | |
bf269551 | 6364 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6365 | if (status) |
6366 | goto out; | |
bf269551 | 6367 | status = decode_putfh(xdr); |
1da177e4 LT |
6368 | if (status) |
6369 | goto out; | |
aa9c2669 | 6370 | status = decode_getfattr_label(xdr, res->fattr, res->label, res->server); |
1da177e4 LT |
6371 | out: |
6372 | return status; | |
1da177e4 LT |
6373 | } |
6374 | ||
23ec6965 BF |
6375 | /* |
6376 | * Encode an SETACL request | |
6377 | */ | |
9f06c719 CL |
6378 | static void nfs4_xdr_enc_setacl(struct rpc_rqst *req, struct xdr_stream *xdr, |
6379 | struct nfs_setaclargs *args) | |
23ec6965 | 6380 | { |
05d564fe | 6381 | struct compound_hdr hdr = { |
66cc0429 | 6382 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 6383 | }; |
05d564fe | 6384 | |
9f06c719 CL |
6385 | encode_compound_hdr(xdr, req, &hdr); |
6386 | encode_sequence(xdr, &args->seq_args, &hdr); | |
6387 | encode_putfh(xdr, args->fh, &hdr); | |
6388 | encode_setacl(xdr, args, &hdr); | |
d017931c | 6389 | encode_nops(&hdr); |
23ec6965 | 6390 | } |
05d564fe | 6391 | |
23ec6965 BF |
6392 | /* |
6393 | * Decode SETACL response | |
6394 | */ | |
6395 | static int | |
bf269551 | 6396 | nfs4_xdr_dec_setacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
73c403a9 | 6397 | struct nfs_setaclres *res) |
23ec6965 | 6398 | { |
23ec6965 BF |
6399 | struct compound_hdr hdr; |
6400 | int status; | |
6401 | ||
bf269551 | 6402 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6403 | if (status) |
6404 | goto out; | |
bf269551 | 6405 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
23ec6965 BF |
6406 | if (status) |
6407 | goto out; | |
bf269551 | 6408 | status = decode_putfh(xdr); |
23ec6965 BF |
6409 | if (status) |
6410 | goto out; | |
bf269551 | 6411 | status = decode_setattr(xdr); |
23ec6965 BF |
6412 | out: |
6413 | return status; | |
6414 | } | |
1da177e4 | 6415 | |
029d105e BF |
6416 | /* |
6417 | * Decode GETACL response | |
6418 | */ | |
6419 | static int | |
bf269551 | 6420 | nfs4_xdr_dec_getacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
663c79b3 | 6421 | struct nfs_getaclres *res) |
029d105e | 6422 | { |
029d105e BF |
6423 | struct compound_hdr hdr; |
6424 | int status; | |
6425 | ||
331818f1 TM |
6426 | if (res->acl_scratch != NULL) { |
6427 | void *p = page_address(res->acl_scratch); | |
6428 | xdr_set_scratch_buffer(xdr, p, PAGE_SIZE); | |
6429 | } | |
bf269551 | 6430 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6431 | if (status) |
6432 | goto out; | |
bf269551 | 6433 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
029d105e BF |
6434 | if (status) |
6435 | goto out; | |
bf269551 | 6436 | status = decode_putfh(xdr); |
029d105e BF |
6437 | if (status) |
6438 | goto out; | |
bf118a34 | 6439 | status = decode_getacl(xdr, rqstp, res); |
029d105e BF |
6440 | |
6441 | out: | |
6442 | return status; | |
6443 | } | |
6444 | ||
1da177e4 LT |
6445 | /* |
6446 | * Decode CLOSE response | |
6447 | */ | |
bf269551 CL |
6448 | static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6449 | struct nfs_closeres *res) | |
1da177e4 | 6450 | { |
05d564fe AA |
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); |
05d564fe AA |
6458 | if (status) |
6459 | goto out; | |
bf269551 | 6460 | status = decode_putfh(xdr); |
05d564fe AA |
6461 | if (status) |
6462 | goto out; | |
cf805165 TM |
6463 | if (res->lr_res) { |
6464 | status = decode_layoutreturn(xdr, res->lr_res); | |
6465 | res->lr_ret = status; | |
6466 | if (status) | |
6467 | goto out; | |
6468 | } | |
d8d84983 TM |
6469 | if (res->fattr != NULL) { |
6470 | status = decode_getfattr(xdr, res->fattr, res->server); | |
6471 | if (status != 0) | |
6472 | goto out; | |
6473 | } | |
bf269551 | 6474 | status = decode_close(xdr, res); |
1da177e4 | 6475 | out: |
05d564fe | 6476 | return status; |
1da177e4 LT |
6477 | } |
6478 | ||
6479 | /* | |
6480 | * Decode OPEN response | |
6481 | */ | |
bf269551 CL |
6482 | static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6483 | struct nfs_openres *res) | |
1da177e4 | 6484 | { |
05d564fe AA |
6485 | struct compound_hdr hdr; |
6486 | int status; | |
6487 | ||
bf269551 | 6488 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6489 | if (status) |
6490 | goto out; | |
bf269551 | 6491 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6492 | if (status) |
6493 | goto out; | |
bf269551 | 6494 | status = decode_putfh(xdr); |
05d564fe AA |
6495 | if (status) |
6496 | goto out; | |
bf269551 | 6497 | status = decode_open(xdr, res); |
56ae19f3 TM |
6498 | if (status) |
6499 | goto out; | |
01913b49 WAA |
6500 | status = decode_getfh(xdr, &res->fh); |
6501 | if (status) | |
1da177e4 | 6502 | goto out; |
ae2bb032 WAA |
6503 | if (res->access_request) |
6504 | decode_access(xdr, &res->access_supported, &res->access_result); | |
aa9c2669 | 6505 | decode_getfattr_label(xdr, res->f_attr, res->f_label, res->server); |
1da177e4 | 6506 | out: |
05d564fe | 6507 | return status; |
1da177e4 LT |
6508 | } |
6509 | ||
6510 | /* | |
6511 | * Decode OPEN_CONFIRM response | |
6512 | */ | |
bf269551 CL |
6513 | static int nfs4_xdr_dec_open_confirm(struct rpc_rqst *rqstp, |
6514 | struct xdr_stream *xdr, | |
6515 | struct nfs_open_confirmres *res) | |
1da177e4 | 6516 | { |
05d564fe AA |
6517 | struct compound_hdr hdr; |
6518 | int status; | |
6519 | ||
bf269551 | 6520 | status = decode_compound_hdr(xdr, &hdr); |
05d564fe AA |
6521 | if (status) |
6522 | goto out; | |
bf269551 | 6523 | status = decode_putfh(xdr); |
05d564fe AA |
6524 | if (status) |
6525 | goto out; | |
bf269551 | 6526 | status = decode_open_confirm(xdr, res); |
1da177e4 | 6527 | out: |
05d564fe | 6528 | return status; |
1da177e4 LT |
6529 | } |
6530 | ||
6531 | /* | |
6532 | * Decode OPEN response | |
6533 | */ | |
bf269551 CL |
6534 | static int nfs4_xdr_dec_open_noattr(struct rpc_rqst *rqstp, |
6535 | struct xdr_stream *xdr, | |
6536 | struct nfs_openres *res) | |
1da177e4 | 6537 | { |
05d564fe AA |
6538 | struct compound_hdr hdr; |
6539 | int status; | |
6540 | ||
bf269551 | 6541 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6542 | if (status) |
6543 | goto out; | |
bf269551 | 6544 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6545 | if (status) |
6546 | goto out; | |
bf269551 | 6547 | status = decode_putfh(xdr); |
05d564fe AA |
6548 | if (status) |
6549 | goto out; | |
bf269551 | 6550 | status = decode_open(xdr, res); |
05d564fe AA |
6551 | if (status) |
6552 | goto out; | |
ae2bb032 WAA |
6553 | if (res->access_request) |
6554 | decode_access(xdr, &res->access_supported, &res->access_result); | |
6926afd1 | 6555 | decode_getfattr(xdr, res->f_attr, res->server); |
1da177e4 | 6556 | out: |
05d564fe | 6557 | return status; |
1da177e4 LT |
6558 | } |
6559 | ||
6560 | /* | |
6561 | * Decode SETATTR response | |
6562 | */ | |
bf269551 CL |
6563 | static int nfs4_xdr_dec_setattr(struct rpc_rqst *rqstp, |
6564 | struct xdr_stream *xdr, | |
6565 | struct nfs_setattrres *res) | |
1da177e4 | 6566 | { |
05d564fe AA |
6567 | struct compound_hdr hdr; |
6568 | int status; | |
6569 | ||
bf269551 | 6570 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6571 | if (status) |
6572 | goto out; | |
bf269551 | 6573 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6574 | if (status) |
6575 | goto out; | |
bf269551 | 6576 | status = decode_putfh(xdr); |
05d564fe AA |
6577 | if (status) |
6578 | goto out; | |
bf269551 | 6579 | status = decode_setattr(xdr); |
05d564fe AA |
6580 | if (status) |
6581 | goto out; | |
aa9c2669 | 6582 | decode_getfattr_label(xdr, res->fattr, res->label, res->server); |
1da177e4 | 6583 | out: |
05d564fe | 6584 | return status; |
1da177e4 LT |
6585 | } |
6586 | ||
6587 | /* | |
6588 | * Decode LOCK response | |
6589 | */ | |
bf269551 CL |
6590 | static int nfs4_xdr_dec_lock(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6591 | struct nfs_lock_res *res) | |
1da177e4 | 6592 | { |
1da177e4 LT |
6593 | struct compound_hdr hdr; |
6594 | int status; | |
6595 | ||
bf269551 | 6596 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6597 | if (status) |
6598 | goto out; | |
bf269551 | 6599 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6600 | if (status) |
6601 | goto out; | |
bf269551 | 6602 | status = decode_putfh(xdr); |
1da177e4 LT |
6603 | if (status) |
6604 | goto out; | |
bf269551 | 6605 | status = decode_lock(xdr, res); |
1da177e4 LT |
6606 | out: |
6607 | return status; | |
6608 | } | |
6609 | ||
6610 | /* | |
6611 | * Decode LOCKT response | |
6612 | */ | |
bf269551 CL |
6613 | static int nfs4_xdr_dec_lockt(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6614 | struct nfs_lockt_res *res) | |
1da177e4 | 6615 | { |
1da177e4 LT |
6616 | struct compound_hdr hdr; |
6617 | int status; | |
6618 | ||
bf269551 | 6619 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6620 | if (status) |
6621 | goto out; | |
bf269551 | 6622 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6623 | if (status) |
6624 | goto out; | |
bf269551 | 6625 | status = decode_putfh(xdr); |
1da177e4 LT |
6626 | if (status) |
6627 | goto out; | |
bf269551 | 6628 | status = decode_lockt(xdr, res); |
1da177e4 LT |
6629 | out: |
6630 | return status; | |
6631 | } | |
6632 | ||
6633 | /* | |
6634 | * Decode LOCKU response | |
6635 | */ | |
bf269551 CL |
6636 | static int nfs4_xdr_dec_locku(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6637 | struct nfs_locku_res *res) | |
1da177e4 | 6638 | { |
1da177e4 LT |
6639 | struct compound_hdr hdr; |
6640 | int status; | |
6641 | ||
bf269551 | 6642 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6643 | if (status) |
6644 | goto out; | |
bf269551 | 6645 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6646 | if (status) |
6647 | goto out; | |
bf269551 | 6648 | status = decode_putfh(xdr); |
1da177e4 LT |
6649 | if (status) |
6650 | goto out; | |
bf269551 | 6651 | status = decode_locku(xdr, res); |
1da177e4 LT |
6652 | out: |
6653 | return status; | |
6654 | } | |
6655 | ||
bf269551 CL |
6656 | static int nfs4_xdr_dec_release_lockowner(struct rpc_rqst *rqstp, |
6657 | struct xdr_stream *xdr, void *dummy) | |
d3c7b7cc | 6658 | { |
d3c7b7cc TM |
6659 | struct compound_hdr hdr; |
6660 | int status; | |
6661 | ||
bf269551 | 6662 | status = decode_compound_hdr(xdr, &hdr); |
d3c7b7cc | 6663 | if (!status) |
bf269551 | 6664 | status = decode_release_lockowner(xdr); |
d3c7b7cc TM |
6665 | return status; |
6666 | } | |
6667 | ||
1da177e4 LT |
6668 | /* |
6669 | * Decode READLINK response | |
6670 | */ | |
bf269551 CL |
6671 | static int nfs4_xdr_dec_readlink(struct rpc_rqst *rqstp, |
6672 | struct xdr_stream *xdr, | |
f50c7000 | 6673 | struct nfs4_readlink_res *res) |
1da177e4 | 6674 | { |
1da177e4 LT |
6675 | struct compound_hdr hdr; |
6676 | int status; | |
6677 | ||
bf269551 | 6678 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6679 | if (status) |
6680 | goto out; | |
bf269551 | 6681 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6682 | if (status) |
6683 | goto out; | |
bf269551 | 6684 | status = decode_putfh(xdr); |
1da177e4 LT |
6685 | if (status) |
6686 | goto out; | |
bf269551 | 6687 | status = decode_readlink(xdr, rqstp); |
1da177e4 LT |
6688 | out: |
6689 | return status; | |
6690 | } | |
6691 | ||
6692 | /* | |
6693 | * Decode READDIR response | |
6694 | */ | |
bf269551 CL |
6695 | static int nfs4_xdr_dec_readdir(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6696 | struct nfs4_readdir_res *res) | |
1da177e4 | 6697 | { |
1da177e4 LT |
6698 | struct compound_hdr hdr; |
6699 | int status; | |
6700 | ||
bf269551 | 6701 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6702 | if (status) |
6703 | goto out; | |
bf269551 | 6704 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6705 | if (status) |
6706 | goto out; | |
bf269551 | 6707 | status = decode_putfh(xdr); |
1da177e4 LT |
6708 | if (status) |
6709 | goto out; | |
bf269551 | 6710 | status = decode_readdir(xdr, rqstp, res); |
1da177e4 LT |
6711 | out: |
6712 | return status; | |
6713 | } | |
6714 | ||
6715 | /* | |
6716 | * Decode Read response | |
6717 | */ | |
bf269551 | 6718 | static int nfs4_xdr_dec_read(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
9137bdf3 | 6719 | struct nfs_pgio_res *res) |
1da177e4 | 6720 | { |
1da177e4 LT |
6721 | struct compound_hdr hdr; |
6722 | int status; | |
6723 | ||
bf269551 | 6724 | status = decode_compound_hdr(xdr, &hdr); |
aabff4dd | 6725 | res->op_status = hdr.status; |
9b7b9fcc AA |
6726 | if (status) |
6727 | goto out; | |
bf269551 | 6728 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6729 | if (status) |
6730 | goto out; | |
bf269551 | 6731 | status = decode_putfh(xdr); |
1da177e4 LT |
6732 | if (status) |
6733 | goto out; | |
bf269551 | 6734 | status = decode_read(xdr, rqstp, res); |
1da177e4 LT |
6735 | if (!status) |
6736 | status = res->count; | |
6737 | out: | |
6738 | return status; | |
6739 | } | |
6740 | ||
6741 | /* | |
6742 | * Decode WRITE response | |
6743 | */ | |
bf269551 | 6744 | static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
9137bdf3 | 6745 | struct nfs_pgio_res *res) |
1da177e4 | 6746 | { |
1da177e4 LT |
6747 | struct compound_hdr hdr; |
6748 | int status; | |
6749 | ||
bf269551 | 6750 | status = decode_compound_hdr(xdr, &hdr); |
aabff4dd | 6751 | res->op_status = hdr.status; |
9b7b9fcc AA |
6752 | if (status) |
6753 | goto out; | |
bf269551 | 6754 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6755 | if (status) |
6756 | goto out; | |
bf269551 | 6757 | status = decode_putfh(xdr); |
1da177e4 LT |
6758 | if (status) |
6759 | goto out; | |
bf269551 | 6760 | status = decode_write(xdr, res); |
4f9838c7 TM |
6761 | if (status) |
6762 | goto out; | |
7ffd1064 | 6763 | if (res->fattr) |
6926afd1 | 6764 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6765 | if (!status) |
6766 | status = res->count; | |
6767 | out: | |
6768 | return status; | |
6769 | } | |
6770 | ||
6771 | /* | |
6772 | * Decode COMMIT response | |
6773 | */ | |
bf269551 | 6774 | static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
0b7c0153 | 6775 | struct nfs_commitres *res) |
1da177e4 | 6776 | { |
1da177e4 LT |
6777 | struct compound_hdr hdr; |
6778 | int status; | |
6779 | ||
bf269551 | 6780 | status = decode_compound_hdr(xdr, &hdr); |
aabff4dd | 6781 | res->op_status = hdr.status; |
9b7b9fcc AA |
6782 | if (status) |
6783 | goto out; | |
bf269551 | 6784 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6785 | if (status) |
6786 | goto out; | |
bf269551 | 6787 | status = decode_putfh(xdr); |
1da177e4 LT |
6788 | if (status) |
6789 | goto out; | |
bf269551 | 6790 | status = decode_commit(xdr, res); |
1da177e4 LT |
6791 | out: |
6792 | return status; | |
6793 | } | |
6794 | ||
6795 | /* | |
8b173218 | 6796 | * Decode FSINFO response |
1da177e4 | 6797 | */ |
bf269551 | 6798 | static int nfs4_xdr_dec_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, |
3dda5e43 | 6799 | struct nfs4_fsinfo_res *res) |
1da177e4 | 6800 | { |
1da177e4 LT |
6801 | struct compound_hdr hdr; |
6802 | int status; | |
6803 | ||
bf269551 | 6804 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6805 | if (!status) |
bf269551 | 6806 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6807 | if (!status) |
bf269551 | 6808 | status = decode_putfh(xdr); |
1da177e4 | 6809 | if (!status) |
bf269551 | 6810 | status = decode_fsinfo(xdr, res->fsinfo); |
1da177e4 LT |
6811 | return status; |
6812 | } | |
6813 | ||
6814 | /* | |
8b173218 | 6815 | * Decode PATHCONF response |
1da177e4 | 6816 | */ |
bf269551 | 6817 | static int nfs4_xdr_dec_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, |
d45b2989 | 6818 | struct nfs4_pathconf_res *res) |
1da177e4 | 6819 | { |
1da177e4 LT |
6820 | struct compound_hdr hdr; |
6821 | int status; | |
6822 | ||
bf269551 | 6823 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6824 | if (!status) |
bf269551 | 6825 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6826 | if (!status) |
bf269551 | 6827 | status = decode_putfh(xdr); |
1da177e4 | 6828 | if (!status) |
bf269551 | 6829 | status = decode_pathconf(xdr, res->pathconf); |
1da177e4 LT |
6830 | return status; |
6831 | } | |
6832 | ||
6833 | /* | |
8b173218 | 6834 | * Decode STATFS response |
1da177e4 | 6835 | */ |
bf269551 | 6836 | static int nfs4_xdr_dec_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, |
24ad148a | 6837 | struct nfs4_statfs_res *res) |
1da177e4 | 6838 | { |
1da177e4 LT |
6839 | struct compound_hdr hdr; |
6840 | int status; | |
6841 | ||
bf269551 | 6842 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6843 | if (!status) |
bf269551 | 6844 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6845 | if (!status) |
bf269551 | 6846 | status = decode_putfh(xdr); |
1da177e4 | 6847 | if (!status) |
bf269551 | 6848 | status = decode_statfs(xdr, res->fsstat); |
1da177e4 LT |
6849 | return status; |
6850 | } | |
6851 | ||
6852 | /* | |
8b173218 | 6853 | * Decode GETATTR_BITMAP response |
1da177e4 | 6854 | */ |
bf269551 CL |
6855 | static int nfs4_xdr_dec_server_caps(struct rpc_rqst *req, |
6856 | struct xdr_stream *xdr, | |
6857 | struct nfs4_server_caps_res *res) | |
1da177e4 | 6858 | { |
1da177e4 LT |
6859 | struct compound_hdr hdr; |
6860 | int status; | |
6861 | ||
bf269551 | 6862 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6863 | if (status) |
6864 | goto out; | |
bf269551 | 6865 | status = decode_sequence(xdr, &res->seq_res, req); |
9b7b9fcc | 6866 | if (status) |
1da177e4 | 6867 | goto out; |
bf269551 CL |
6868 | status = decode_putfh(xdr); |
6869 | if (status) | |
1da177e4 | 6870 | goto out; |
bf269551 | 6871 | status = decode_server_caps(xdr, res); |
1da177e4 LT |
6872 | out: |
6873 | return status; | |
6874 | } | |
6875 | ||
6876 | /* | |
6877 | * Decode RENEW response | |
6878 | */ | |
bf269551 CL |
6879 | static int nfs4_xdr_dec_renew(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6880 | void *__unused) | |
1da177e4 | 6881 | { |
1da177e4 LT |
6882 | struct compound_hdr hdr; |
6883 | int status; | |
6884 | ||
bf269551 | 6885 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6886 | if (!status) |
bf269551 | 6887 | status = decode_renew(xdr); |
1da177e4 LT |
6888 | return status; |
6889 | } | |
6890 | ||
6891 | /* | |
8b173218 | 6892 | * Decode SETCLIENTID response |
1da177e4 | 6893 | */ |
bf269551 CL |
6894 | static int nfs4_xdr_dec_setclientid(struct rpc_rqst *req, |
6895 | struct xdr_stream *xdr, | |
6896 | struct nfs4_setclientid_res *res) | |
1da177e4 | 6897 | { |
1da177e4 LT |
6898 | struct compound_hdr hdr; |
6899 | int status; | |
6900 | ||
bf269551 | 6901 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6902 | if (!status) |
bf269551 | 6903 | status = decode_setclientid(xdr, res); |
1da177e4 LT |
6904 | return status; |
6905 | } | |
6906 | ||
6907 | /* | |
8b173218 | 6908 | * Decode SETCLIENTID_CONFIRM response |
1da177e4 | 6909 | */ |
bf269551 | 6910 | static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst *req, |
83ca7f5a | 6911 | struct xdr_stream *xdr) |
1da177e4 | 6912 | { |
1da177e4 LT |
6913 | struct compound_hdr hdr; |
6914 | int status; | |
6915 | ||
bf269551 | 6916 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6917 | if (!status) |
bf269551 | 6918 | status = decode_setclientid_confirm(xdr); |
1da177e4 LT |
6919 | return status; |
6920 | } | |
6921 | ||
6922 | /* | |
8b173218 | 6923 | * Decode DELEGRETURN response |
1da177e4 | 6924 | */ |
bf269551 CL |
6925 | static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, |
6926 | struct xdr_stream *xdr, | |
6927 | struct nfs4_delegreturnres *res) | |
1da177e4 | 6928 | { |
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, rqstp); |
9b7b9fcc | 6936 | if (status) |
fa178f29 | 6937 | goto out; |
bf269551 | 6938 | status = decode_putfh(xdr); |
fa178f29 TM |
6939 | if (status != 0) |
6940 | goto out; | |
586f1c39 TM |
6941 | if (res->lr_res) { |
6942 | status = decode_layoutreturn(xdr, res->lr_res); | |
6943 | res->lr_ret = status; | |
6944 | if (status) | |
6945 | goto out; | |
6946 | } | |
8ac2b422 TM |
6947 | if (res->fattr) { |
6948 | status = decode_getfattr(xdr, res->fattr, res->server); | |
6949 | if (status != 0) | |
6950 | goto out; | |
6951 | } | |
e144cbcc | 6952 | status = decode_delegreturn(xdr); |
fa178f29 | 6953 | out: |
1da177e4 LT |
6954 | return status; |
6955 | } | |
6956 | ||
683b57b4 | 6957 | /* |
8b173218 | 6958 | * Decode FS_LOCATIONS response |
683b57b4 | 6959 | */ |
bf269551 CL |
6960 | static int nfs4_xdr_dec_fs_locations(struct rpc_rqst *req, |
6961 | struct xdr_stream *xdr, | |
22958463 | 6962 | struct nfs4_fs_locations_res *res) |
683b57b4 | 6963 | { |
683b57b4 TM |
6964 | struct compound_hdr hdr; |
6965 | int status; | |
6966 | ||
bf269551 | 6967 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6968 | if (status) |
6969 | goto out; | |
bf269551 | 6970 | status = decode_sequence(xdr, &res->seq_res, req); |
9b7b9fcc | 6971 | if (status) |
683b57b4 | 6972 | goto out; |
bf269551 CL |
6973 | status = decode_putfh(xdr); |
6974 | if (status) | |
683b57b4 | 6975 | goto out; |
b03d735b CL |
6976 | if (res->migration) { |
6977 | xdr_enter_page(xdr, PAGE_SIZE); | |
6978 | status = decode_getfattr_generic(xdr, | |
6979 | &res->fs_locations->fattr, | |
8b7e3f49 | 6980 | NULL, res->fs_locations, |
aa9c2669 | 6981 | NULL, res->fs_locations->server); |
b03d735b CL |
6982 | if (status) |
6983 | goto out; | |
6984 | if (res->renew) | |
6985 | status = decode_renew(xdr); | |
6986 | } else { | |
6987 | status = decode_lookup(xdr); | |
6988 | if (status) | |
6989 | goto out; | |
6990 | xdr_enter_page(xdr, PAGE_SIZE); | |
6991 | status = decode_getfattr_generic(xdr, | |
6992 | &res->fs_locations->fattr, | |
6993 | NULL, res->fs_locations, | |
6994 | NULL, res->fs_locations->server); | |
6995 | } | |
683b57b4 TM |
6996 | out: |
6997 | return status; | |
6998 | } | |
6999 | ||
5a5ea0d4 BS |
7000 | /* |
7001 | * Decode SECINFO response | |
7002 | */ | |
7003 | static int nfs4_xdr_dec_secinfo(struct rpc_rqst *rqstp, | |
7004 | struct xdr_stream *xdr, | |
7005 | struct nfs4_secinfo_res *res) | |
7006 | { | |
7007 | struct compound_hdr hdr; | |
7008 | int status; | |
7009 | ||
7010 | status = decode_compound_hdr(xdr, &hdr); | |
7011 | if (status) | |
7012 | goto out; | |
7013 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7014 | if (status) | |
7015 | goto out; | |
7016 | status = decode_putfh(xdr); | |
7017 | if (status) | |
7018 | goto out; | |
7019 | status = decode_secinfo(xdr, res); | |
5a5ea0d4 BS |
7020 | out: |
7021 | return status; | |
7022 | } | |
7023 | ||
44c99933 CL |
7024 | /* |
7025 | * Decode FSID_PRESENT response | |
7026 | */ | |
7027 | static int nfs4_xdr_dec_fsid_present(struct rpc_rqst *rqstp, | |
7028 | struct xdr_stream *xdr, | |
7029 | struct nfs4_fsid_present_res *res) | |
7030 | { | |
7031 | struct compound_hdr hdr; | |
7032 | int status; | |
7033 | ||
7034 | status = decode_compound_hdr(xdr, &hdr); | |
7035 | if (status) | |
7036 | goto out; | |
7037 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7038 | if (status) | |
7039 | goto out; | |
7040 | status = decode_putfh(xdr); | |
7041 | if (status) | |
7042 | goto out; | |
7043 | status = decode_getfh(xdr, res->fh); | |
7044 | if (status) | |
7045 | goto out; | |
7046 | if (res->renew) | |
7047 | status = decode_renew(xdr); | |
7048 | out: | |
7049 | return status; | |
7050 | } | |
7051 | ||
99fe60d0 | 7052 | #if defined(CONFIG_NFS_V4_1) |
7c44f1ae WAA |
7053 | /* |
7054 | * Decode BIND_CONN_TO_SESSION response | |
7055 | */ | |
7056 | static int nfs4_xdr_dec_bind_conn_to_session(struct rpc_rqst *rqstp, | |
7057 | struct xdr_stream *xdr, | |
7058 | void *res) | |
7059 | { | |
7060 | struct compound_hdr hdr; | |
7061 | int status; | |
7062 | ||
7063 | status = decode_compound_hdr(xdr, &hdr); | |
7064 | if (!status) | |
7065 | status = decode_bind_conn_to_session(xdr, res); | |
7066 | return status; | |
7067 | } | |
7068 | ||
99fe60d0 | 7069 | /* |
8b173218 | 7070 | * Decode EXCHANGE_ID response |
99fe60d0 | 7071 | */ |
bf269551 CL |
7072 | static int nfs4_xdr_dec_exchange_id(struct rpc_rqst *rqstp, |
7073 | struct xdr_stream *xdr, | |
99fe60d0 BH |
7074 | void *res) |
7075 | { | |
99fe60d0 BH |
7076 | struct compound_hdr hdr; |
7077 | int status; | |
7078 | ||
bf269551 | 7079 | status = decode_compound_hdr(xdr, &hdr); |
99fe60d0 | 7080 | if (!status) |
bf269551 | 7081 | status = decode_exchange_id(xdr, res); |
99fe60d0 BH |
7082 | return status; |
7083 | } | |
2050f0cc | 7084 | |
fc931582 | 7085 | /* |
8b173218 | 7086 | * Decode CREATE_SESSION response |
fc931582 | 7087 | */ |
bf269551 CL |
7088 | static int nfs4_xdr_dec_create_session(struct rpc_rqst *rqstp, |
7089 | struct xdr_stream *xdr, | |
fc931582 AA |
7090 | struct nfs41_create_session_res *res) |
7091 | { | |
fc931582 AA |
7092 | struct compound_hdr hdr; |
7093 | int status; | |
7094 | ||
bf269551 | 7095 | status = decode_compound_hdr(xdr, &hdr); |
fc931582 | 7096 | if (!status) |
bf269551 | 7097 | status = decode_create_session(xdr, res); |
fc931582 AA |
7098 | return status; |
7099 | } | |
7100 | ||
0f3e66c6 | 7101 | /* |
8b173218 | 7102 | * Decode DESTROY_SESSION response |
0f3e66c6 | 7103 | */ |
bf269551 CL |
7104 | static int nfs4_xdr_dec_destroy_session(struct rpc_rqst *rqstp, |
7105 | struct xdr_stream *xdr, | |
7106 | void *res) | |
0f3e66c6 | 7107 | { |
0f3e66c6 AA |
7108 | struct compound_hdr hdr; |
7109 | int status; | |
7110 | ||
bf269551 | 7111 | status = decode_compound_hdr(xdr, &hdr); |
0f3e66c6 | 7112 | if (!status) |
bf269551 | 7113 | status = decode_destroy_session(xdr, res); |
0f3e66c6 AA |
7114 | return status; |
7115 | } | |
7116 | ||
66245539 TM |
7117 | /* |
7118 | * Decode DESTROY_CLIENTID response | |
7119 | */ | |
7120 | static int nfs4_xdr_dec_destroy_clientid(struct rpc_rqst *rqstp, | |
7121 | struct xdr_stream *xdr, | |
7122 | void *res) | |
7123 | { | |
7124 | struct compound_hdr hdr; | |
7125 | int status; | |
7126 | ||
7127 | status = decode_compound_hdr(xdr, &hdr); | |
7128 | if (!status) | |
7129 | status = decode_destroy_clientid(xdr, res); | |
7130 | return status; | |
7131 | } | |
7132 | ||
fc01cea9 | 7133 | /* |
8b173218 | 7134 | * Decode SEQUENCE response |
fc01cea9 | 7135 | */ |
bf269551 CL |
7136 | static int nfs4_xdr_dec_sequence(struct rpc_rqst *rqstp, |
7137 | struct xdr_stream *xdr, | |
fc01cea9 AA |
7138 | struct nfs4_sequence_res *res) |
7139 | { | |
fc01cea9 AA |
7140 | struct compound_hdr hdr; |
7141 | int status; | |
7142 | ||
bf269551 | 7143 | status = decode_compound_hdr(xdr, &hdr); |
fc01cea9 | 7144 | if (!status) |
bf269551 | 7145 | status = decode_sequence(xdr, res, rqstp); |
fc01cea9 AA |
7146 | return status; |
7147 | } | |
7148 | ||
2050f0cc | 7149 | /* |
8b173218 | 7150 | * Decode GET_LEASE_TIME response |
2050f0cc | 7151 | */ |
bf269551 CL |
7152 | static int nfs4_xdr_dec_get_lease_time(struct rpc_rqst *rqstp, |
7153 | struct xdr_stream *xdr, | |
2050f0cc AA |
7154 | struct nfs4_get_lease_time_res *res) |
7155 | { | |
2050f0cc AA |
7156 | struct compound_hdr hdr; |
7157 | int status; | |
7158 | ||
bf269551 | 7159 | status = decode_compound_hdr(xdr, &hdr); |
2050f0cc | 7160 | if (!status) |
bf269551 | 7161 | status = decode_sequence(xdr, &res->lr_seq_res, rqstp); |
2050f0cc | 7162 | if (!status) |
bf269551 | 7163 | status = decode_putrootfh(xdr); |
2050f0cc | 7164 | if (!status) |
bf269551 | 7165 | status = decode_fsinfo(xdr, res->lr_fsinfo); |
2050f0cc AA |
7166 | return status; |
7167 | } | |
18019753 RL |
7168 | |
7169 | /* | |
7170 | * Decode RECLAIM_COMPLETE response | |
7171 | */ | |
bf269551 CL |
7172 | static int nfs4_xdr_dec_reclaim_complete(struct rpc_rqst *rqstp, |
7173 | struct xdr_stream *xdr, | |
18019753 RL |
7174 | struct nfs41_reclaim_complete_res *res) |
7175 | { | |
18019753 RL |
7176 | struct compound_hdr hdr; |
7177 | int status; | |
7178 | ||
bf269551 | 7179 | status = decode_compound_hdr(xdr, &hdr); |
18019753 | 7180 | if (!status) |
bf269551 | 7181 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
18019753 | 7182 | if (!status) |
8ee2b78a | 7183 | status = decode_reclaim_complete(xdr, NULL); |
18019753 RL |
7184 | return status; |
7185 | } | |
b1f69b75 AA |
7186 | |
7187 | /* | |
7188 | * Decode GETDEVINFO response | |
7189 | */ | |
bf269551 CL |
7190 | static int nfs4_xdr_dec_getdeviceinfo(struct rpc_rqst *rqstp, |
7191 | struct xdr_stream *xdr, | |
b1f69b75 AA |
7192 | struct nfs4_getdeviceinfo_res *res) |
7193 | { | |
b1f69b75 AA |
7194 | struct compound_hdr hdr; |
7195 | int status; | |
7196 | ||
bf269551 | 7197 | status = decode_compound_hdr(xdr, &hdr); |
b1f69b75 AA |
7198 | if (status != 0) |
7199 | goto out; | |
bf269551 | 7200 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
b1f69b75 AA |
7201 | if (status != 0) |
7202 | goto out; | |
4e590803 | 7203 | status = decode_getdeviceinfo(xdr, res); |
b1f69b75 AA |
7204 | out: |
7205 | return status; | |
7206 | } | |
7207 | ||
7208 | /* | |
7209 | * Decode LAYOUTGET response | |
7210 | */ | |
bf269551 CL |
7211 | static int nfs4_xdr_dec_layoutget(struct rpc_rqst *rqstp, |
7212 | struct xdr_stream *xdr, | |
b1f69b75 AA |
7213 | struct nfs4_layoutget_res *res) |
7214 | { | |
b1f69b75 AA |
7215 | struct compound_hdr hdr; |
7216 | int status; | |
7217 | ||
bf269551 | 7218 | status = decode_compound_hdr(xdr, &hdr); |
b1f69b75 AA |
7219 | if (status) |
7220 | goto out; | |
bf269551 | 7221 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
b1f69b75 AA |
7222 | if (status) |
7223 | goto out; | |
bf269551 | 7224 | status = decode_putfh(xdr); |
b1f69b75 AA |
7225 | if (status) |
7226 | goto out; | |
bf269551 | 7227 | status = decode_layoutget(xdr, rqstp, res); |
b1f69b75 AA |
7228 | out: |
7229 | return status; | |
7230 | } | |
863a3c6c | 7231 | |
cbe82603 BH |
7232 | /* |
7233 | * Decode LAYOUTRETURN response | |
7234 | */ | |
7235 | static int nfs4_xdr_dec_layoutreturn(struct rpc_rqst *rqstp, | |
7236 | struct xdr_stream *xdr, | |
7237 | struct nfs4_layoutreturn_res *res) | |
7238 | { | |
7239 | struct compound_hdr hdr; | |
7240 | int status; | |
7241 | ||
7242 | status = decode_compound_hdr(xdr, &hdr); | |
7243 | if (status) | |
7244 | goto out; | |
7245 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7246 | if (status) | |
7247 | goto out; | |
7248 | status = decode_putfh(xdr); | |
7249 | if (status) | |
7250 | goto out; | |
7251 | status = decode_layoutreturn(xdr, res); | |
7252 | out: | |
7253 | return status; | |
7254 | } | |
7255 | ||
863a3c6c AA |
7256 | /* |
7257 | * Decode LAYOUTCOMMIT response | |
7258 | */ | |
7259 | static int nfs4_xdr_dec_layoutcommit(struct rpc_rqst *rqstp, | |
7260 | struct xdr_stream *xdr, | |
7261 | struct nfs4_layoutcommit_res *res) | |
7262 | { | |
7263 | struct compound_hdr hdr; | |
7264 | int status; | |
7265 | ||
7266 | status = decode_compound_hdr(xdr, &hdr); | |
7267 | if (status) | |
7268 | goto out; | |
7269 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7270 | if (status) | |
7271 | goto out; | |
7272 | status = decode_putfh(xdr); | |
7273 | if (status) | |
7274 | goto out; | |
7275 | status = decode_layoutcommit(xdr, rqstp, res); | |
7276 | if (status) | |
7277 | goto out; | |
6926afd1 | 7278 | decode_getfattr(xdr, res->fattr, res->server); |
863a3c6c AA |
7279 | out: |
7280 | return status; | |
7281 | } | |
fca78d6d BS |
7282 | |
7283 | /* | |
7284 | * Decode SECINFO_NO_NAME response | |
7285 | */ | |
7286 | static int nfs4_xdr_dec_secinfo_no_name(struct rpc_rqst *rqstp, | |
7287 | struct xdr_stream *xdr, | |
7288 | struct nfs4_secinfo_res *res) | |
7289 | { | |
7290 | struct compound_hdr hdr; | |
7291 | int status; | |
7292 | ||
7293 | status = decode_compound_hdr(xdr, &hdr); | |
7294 | if (status) | |
7295 | goto out; | |
7296 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7297 | if (status) | |
7298 | goto out; | |
7299 | status = decode_putrootfh(xdr); | |
7300 | if (status) | |
7301 | goto out; | |
31e4dda4 | 7302 | status = decode_secinfo_no_name(xdr, res); |
fca78d6d BS |
7303 | out: |
7304 | return status; | |
7305 | } | |
7d974794 BS |
7306 | |
7307 | /* | |
7308 | * Decode TEST_STATEID response | |
7309 | */ | |
7310 | static int nfs4_xdr_dec_test_stateid(struct rpc_rqst *rqstp, | |
7311 | struct xdr_stream *xdr, | |
7312 | struct nfs41_test_stateid_res *res) | |
7313 | { | |
7314 | struct compound_hdr hdr; | |
7315 | int status; | |
7316 | ||
7317 | status = decode_compound_hdr(xdr, &hdr); | |
7318 | if (status) | |
7319 | goto out; | |
7320 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7321 | if (status) | |
7322 | goto out; | |
7323 | status = decode_test_stateid(xdr, res); | |
7324 | out: | |
7325 | return status; | |
7326 | } | |
9aeda35f BS |
7327 | |
7328 | /* | |
7329 | * Decode FREE_STATEID response | |
7330 | */ | |
7331 | static int nfs4_xdr_dec_free_stateid(struct rpc_rqst *rqstp, | |
7332 | struct xdr_stream *xdr, | |
7333 | struct nfs41_free_stateid_res *res) | |
7334 | { | |
7335 | struct compound_hdr hdr; | |
7336 | int status; | |
7337 | ||
7338 | status = decode_compound_hdr(xdr, &hdr); | |
7339 | if (status) | |
7340 | goto out; | |
7341 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7342 | if (status) | |
7343 | goto out; | |
7344 | status = decode_free_stateid(xdr, res); | |
7345 | out: | |
7346 | return status; | |
7347 | } | |
99fe60d0 BH |
7348 | #endif /* CONFIG_NFS_V4_1 */ |
7349 | ||
573c4e1e CL |
7350 | /** |
7351 | * nfs4_decode_dirent - Decode a single NFSv4 directory entry stored in | |
7352 | * the local page cache. | |
7353 | * @xdr: XDR stream where entry resides | |
7354 | * @entry: buffer to fill in with entry data | |
7355 | * @plus: boolean indicating whether this should be a readdirplus entry | |
7356 | * | |
7357 | * Returns zero if successful, otherwise a negative errno value is | |
7358 | * returned. | |
7359 | * | |
7360 | * This function is not invoked during READDIR reply decoding, but | |
7361 | * rather whenever an application invokes the getdents(2) system call | |
7362 | * on a directory already in our cache. | |
7363 | */ | |
7364 | int nfs4_decode_dirent(struct xdr_stream *xdr, struct nfs_entry *entry, | |
7365 | int plus) | |
1da177e4 | 7366 | { |
256e48bb | 7367 | unsigned int savep; |
dae100c2 | 7368 | uint32_t bitmap[3] = {0}; |
1da177e4 | 7369 | uint32_t len; |
babddc72 BS |
7370 | __be32 *p = xdr_inline_decode(xdr, 4); |
7371 | if (unlikely(!p)) | |
7372 | goto out_overflow; | |
c08e76d0 | 7373 | if (*p == xdr_zero) { |
babddc72 BS |
7374 | p = xdr_inline_decode(xdr, 4); |
7375 | if (unlikely(!p)) | |
7376 | goto out_overflow; | |
c08e76d0 | 7377 | if (*p == xdr_zero) |
573c4e1e | 7378 | return -EAGAIN; |
1da177e4 | 7379 | entry->eof = 1; |
573c4e1e | 7380 | return -EBADCOOKIE; |
1da177e4 LT |
7381 | } |
7382 | ||
babddc72 BS |
7383 | p = xdr_inline_decode(xdr, 12); |
7384 | if (unlikely(!p)) | |
7385 | goto out_overflow; | |
1da177e4 LT |
7386 | entry->prev_cookie = entry->cookie; |
7387 | p = xdr_decode_hyper(p, &entry->cookie); | |
c08e76d0 | 7388 | entry->len = be32_to_cpup(p); |
babddc72 | 7389 | |
9af8c222 | 7390 | p = xdr_inline_decode(xdr, entry->len); |
babddc72 BS |
7391 | if (unlikely(!p)) |
7392 | goto out_overflow; | |
1da177e4 | 7393 | entry->name = (const char *) p; |
1da177e4 LT |
7394 | |
7395 | /* | |
7396 | * In case the server doesn't return an inode number, | |
7397 | * we fake one here. (We don't use inode number 0, | |
7398 | * since glibc seems to choke on it...) | |
7399 | */ | |
7400 | entry->ino = 1; | |
4f082222 | 7401 | entry->fattr->valid = 0; |
1da177e4 | 7402 | |
9af8c222 TM |
7403 | if (decode_attr_bitmap(xdr, bitmap) < 0) |
7404 | goto out_overflow; | |
7405 | ||
256e48bb | 7406 | if (decode_attr_length(xdr, &len, &savep) < 0) |
9af8c222 TM |
7407 | goto out_overflow; |
7408 | ||
573c4e1e | 7409 | if (decode_getfattr_attrs(xdr, bitmap, entry->fattr, entry->fh, |
aa9c2669 | 7410 | NULL, entry->label, entry->server) < 0) |
9af8c222 | 7411 | goto out_overflow; |
28331a46 TM |
7412 | if (entry->fattr->valid & NFS_ATTR_FATTR_MOUNTED_ON_FILEID) |
7413 | entry->ino = entry->fattr->mounted_on_fileid; | |
7414 | else if (entry->fattr->valid & NFS_ATTR_FATTR_FILEID) | |
9af8c222 TM |
7415 | entry->ino = entry->fattr->fileid; |
7416 | ||
0b26a0bf TM |
7417 | entry->d_type = DT_UNKNOWN; |
7418 | if (entry->fattr->valid & NFS_ATTR_FATTR_TYPE) | |
7419 | entry->d_type = nfs_umode_to_dtype(entry->fattr->mode); | |
7420 | ||
573c4e1e | 7421 | return 0; |
babddc72 BS |
7422 | |
7423 | out_overflow: | |
7424 | print_overflow_msg(__func__, xdr); | |
573c4e1e | 7425 | return -EAGAIN; |
1da177e4 LT |
7426 | } |
7427 | ||
7428 | /* | |
7429 | * We need to translate between nfs status return values and | |
7430 | * the local errno values which may not be the same. | |
7431 | */ | |
7432 | static struct { | |
7433 | int stat; | |
7434 | int errno; | |
7435 | } nfs_errtbl[] = { | |
7436 | { NFS4_OK, 0 }, | |
856dff3d BH |
7437 | { NFS4ERR_PERM, -EPERM }, |
7438 | { NFS4ERR_NOENT, -ENOENT }, | |
7439 | { NFS4ERR_IO, -errno_NFSERR_IO}, | |
7440 | { NFS4ERR_NXIO, -ENXIO }, | |
7441 | { NFS4ERR_ACCESS, -EACCES }, | |
7442 | { NFS4ERR_EXIST, -EEXIST }, | |
7443 | { NFS4ERR_XDEV, -EXDEV }, | |
7444 | { NFS4ERR_NOTDIR, -ENOTDIR }, | |
7445 | { NFS4ERR_ISDIR, -EISDIR }, | |
7446 | { NFS4ERR_INVAL, -EINVAL }, | |
7447 | { NFS4ERR_FBIG, -EFBIG }, | |
7448 | { NFS4ERR_NOSPC, -ENOSPC }, | |
7449 | { NFS4ERR_ROFS, -EROFS }, | |
7450 | { NFS4ERR_MLINK, -EMLINK }, | |
7451 | { NFS4ERR_NAMETOOLONG, -ENAMETOOLONG }, | |
7452 | { NFS4ERR_NOTEMPTY, -ENOTEMPTY }, | |
7453 | { NFS4ERR_DQUOT, -EDQUOT }, | |
7454 | { NFS4ERR_STALE, -ESTALE }, | |
7455 | { NFS4ERR_BADHANDLE, -EBADHANDLE }, | |
856dff3d BH |
7456 | { NFS4ERR_BAD_COOKIE, -EBADCOOKIE }, |
7457 | { NFS4ERR_NOTSUPP, -ENOTSUPP }, | |
7458 | { NFS4ERR_TOOSMALL, -ETOOSMALL }, | |
fdcb4577 | 7459 | { NFS4ERR_SERVERFAULT, -EREMOTEIO }, |
856dff3d BH |
7460 | { NFS4ERR_BADTYPE, -EBADTYPE }, |
7461 | { NFS4ERR_LOCKED, -EAGAIN }, | |
856dff3d BH |
7462 | { NFS4ERR_SYMLINK, -ELOOP }, |
7463 | { NFS4ERR_OP_ILLEGAL, -EOPNOTSUPP }, | |
7464 | { NFS4ERR_DEADLOCK, -EDEADLK }, | |
856dff3d | 7465 | { -1, -EIO } |
1da177e4 LT |
7466 | }; |
7467 | ||
7468 | /* | |
7469 | * Convert an NFS error code to a local one. | |
7470 | * This one is used jointly by NFSv2 and NFSv3. | |
7471 | */ | |
7472 | static int | |
0a8ea437 | 7473 | nfs4_stat_to_errno(int stat) |
1da177e4 LT |
7474 | { |
7475 | int i; | |
7476 | for (i = 0; nfs_errtbl[i].stat != -1; i++) { | |
7477 | if (nfs_errtbl[i].stat == stat) | |
7478 | return nfs_errtbl[i].errno; | |
7479 | } | |
7480 | if (stat <= 10000 || stat > 10100) { | |
7481 | /* The server is looney tunes. */ | |
fdcb4577 | 7482 | return -EREMOTEIO; |
1da177e4 LT |
7483 | } |
7484 | /* If we cannot translate the error, the recovery routines should | |
7485 | * handle it. | |
7486 | * Note: remaining NFSv4 error codes have values > 10000, so should | |
7487 | * not conflict with native Linux error codes. | |
7488 | */ | |
856dff3d | 7489 | return -stat; |
1da177e4 LT |
7490 | } |
7491 | ||
1c6dcbe5 AS |
7492 | #ifdef CONFIG_NFS_V4_2 |
7493 | #include "nfs42xdr.c" | |
7494 | #endif /* CONFIG_NFS_V4_2 */ | |
7495 | ||
1da177e4 LT |
7496 | #define PROC(proc, argtype, restype) \ |
7497 | [NFSPROC4_CLNT_##proc] = { \ | |
7498 | .p_proc = NFSPROC4_COMPOUND, \ | |
9f06c719 | 7499 | .p_encode = (kxdreproc_t)nfs4_xdr_##argtype, \ |
bf269551 | 7500 | .p_decode = (kxdrdproc_t)nfs4_xdr_##restype, \ |
2bea90d4 CL |
7501 | .p_arglen = NFS4_##argtype##_sz, \ |
7502 | .p_replen = NFS4_##restype##_sz, \ | |
cc0175c1 CL |
7503 | .p_statidx = NFSPROC4_CLNT_##proc, \ |
7504 | .p_name = #proc, \ | |
05d564fe | 7505 | } |
1da177e4 | 7506 | |
7c61f0d3 AS |
7507 | #define STUB(proc) \ |
7508 | [NFSPROC4_CLNT_##proc] = { \ | |
7509 | .p_name = #proc, \ | |
7510 | } | |
7511 | ||
1da177e4 | 7512 | struct rpc_procinfo nfs4_procedures[] = { |
7d93bd71 CL |
7513 | PROC(READ, enc_read, dec_read), |
7514 | PROC(WRITE, enc_write, dec_write), | |
7515 | PROC(COMMIT, enc_commit, dec_commit), | |
7516 | PROC(OPEN, enc_open, dec_open), | |
7517 | PROC(OPEN_CONFIRM, enc_open_confirm, dec_open_confirm), | |
7518 | PROC(OPEN_NOATTR, enc_open_noattr, dec_open_noattr), | |
7519 | PROC(OPEN_DOWNGRADE, enc_open_downgrade, dec_open_downgrade), | |
7520 | PROC(CLOSE, enc_close, dec_close), | |
7521 | PROC(SETATTR, enc_setattr, dec_setattr), | |
7522 | PROC(FSINFO, enc_fsinfo, dec_fsinfo), | |
7523 | PROC(RENEW, enc_renew, dec_renew), | |
7524 | PROC(SETCLIENTID, enc_setclientid, dec_setclientid), | |
7525 | PROC(SETCLIENTID_CONFIRM, enc_setclientid_confirm, dec_setclientid_confirm), | |
7526 | PROC(LOCK, enc_lock, dec_lock), | |
7527 | PROC(LOCKT, enc_lockt, dec_lockt), | |
7528 | PROC(LOCKU, enc_locku, dec_locku), | |
7529 | PROC(ACCESS, enc_access, dec_access), | |
7530 | PROC(GETATTR, enc_getattr, dec_getattr), | |
7531 | PROC(LOOKUP, enc_lookup, dec_lookup), | |
7532 | PROC(LOOKUP_ROOT, enc_lookup_root, dec_lookup_root), | |
7533 | PROC(REMOVE, enc_remove, dec_remove), | |
7534 | PROC(RENAME, enc_rename, dec_rename), | |
7535 | PROC(LINK, enc_link, dec_link), | |
7536 | PROC(SYMLINK, enc_symlink, dec_symlink), | |
7537 | PROC(CREATE, enc_create, dec_create), | |
7538 | PROC(PATHCONF, enc_pathconf, dec_pathconf), | |
7539 | PROC(STATFS, enc_statfs, dec_statfs), | |
7540 | PROC(READLINK, enc_readlink, dec_readlink), | |
7541 | PROC(READDIR, enc_readdir, dec_readdir), | |
7542 | PROC(SERVER_CAPS, enc_server_caps, dec_server_caps), | |
7543 | PROC(DELEGRETURN, enc_delegreturn, dec_delegreturn), | |
7544 | PROC(GETACL, enc_getacl, dec_getacl), | |
7545 | PROC(SETACL, enc_setacl, dec_setacl), | |
7546 | PROC(FS_LOCATIONS, enc_fs_locations, dec_fs_locations), | |
7547 | PROC(RELEASE_LOCKOWNER, enc_release_lockowner, dec_release_lockowner), | |
5a5ea0d4 | 7548 | PROC(SECINFO, enc_secinfo, dec_secinfo), |
44c99933 | 7549 | PROC(FSID_PRESENT, enc_fsid_present, dec_fsid_present), |
99fe60d0 | 7550 | #if defined(CONFIG_NFS_V4_1) |
7d93bd71 CL |
7551 | PROC(EXCHANGE_ID, enc_exchange_id, dec_exchange_id), |
7552 | PROC(CREATE_SESSION, enc_create_session, dec_create_session), | |
7553 | PROC(DESTROY_SESSION, enc_destroy_session, dec_destroy_session), | |
7554 | PROC(SEQUENCE, enc_sequence, dec_sequence), | |
7555 | PROC(GET_LEASE_TIME, enc_get_lease_time, dec_get_lease_time), | |
7556 | PROC(RECLAIM_COMPLETE, enc_reclaim_complete, dec_reclaim_complete), | |
7557 | PROC(GETDEVICEINFO, enc_getdeviceinfo, dec_getdeviceinfo), | |
7558 | PROC(LAYOUTGET, enc_layoutget, dec_layoutget), | |
863a3c6c | 7559 | PROC(LAYOUTCOMMIT, enc_layoutcommit, dec_layoutcommit), |
cbe82603 | 7560 | PROC(LAYOUTRETURN, enc_layoutreturn, dec_layoutreturn), |
fca78d6d | 7561 | PROC(SECINFO_NO_NAME, enc_secinfo_no_name, dec_secinfo_no_name), |
7d974794 | 7562 | PROC(TEST_STATEID, enc_test_stateid, dec_test_stateid), |
9aeda35f | 7563 | PROC(FREE_STATEID, enc_free_stateid, dec_free_stateid), |
7c61f0d3 | 7564 | STUB(GETDEVICELIST), |
ad24ecfb TM |
7565 | PROC(BIND_CONN_TO_SESSION, |
7566 | enc_bind_conn_to_session, dec_bind_conn_to_session), | |
66245539 | 7567 | PROC(DESTROY_CLIENTID, enc_destroy_clientid, dec_destroy_clientid), |
99fe60d0 | 7568 | #endif /* CONFIG_NFS_V4_1 */ |
1c6dcbe5 AS |
7569 | #ifdef CONFIG_NFS_V4_2 |
7570 | PROC(SEEK, enc_seek, dec_seek), | |
f4ac1674 | 7571 | PROC(ALLOCATE, enc_allocate, dec_allocate), |
624bd5b7 | 7572 | PROC(DEALLOCATE, enc_deallocate, dec_deallocate), |
be3a5d23 | 7573 | PROC(LAYOUTSTATS, enc_layoutstats, dec_layoutstats), |
36022770 | 7574 | PROC(CLONE, enc_clone, dec_clone), |
2e72448b | 7575 | PROC(COPY, enc_copy, dec_copy), |
1c6dcbe5 | 7576 | #endif /* CONFIG_NFS_V4_2 */ |
1da177e4 LT |
7577 | }; |
7578 | ||
a613fa16 | 7579 | const struct rpc_version nfs_version4 = { |
1da177e4 | 7580 | .number = 4, |
e8c96f8c | 7581 | .nrprocs = ARRAY_SIZE(nfs4_procedures), |
1da177e4 LT |
7582 | .procs = nfs4_procedures |
7583 | }; | |
7584 | ||
7585 | /* | |
7586 | * Local variables: | |
7587 | * c-basic-offset: 8 | |
7588 | * End: | |
7589 | */ |