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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) | |
172 | #define decode_ace_maxsz (3 + nfs4_owner_maxsz) | |
9104a55d | 173 | #define decode_delegation_maxsz (1 + decode_stateid_maxsz + 1 + \ |
2cebf828 TM |
174 | decode_ace_maxsz) |
175 | #define decode_change_info_maxsz (5) | |
176 | #define decode_open_maxsz (op_decode_hdr_maxsz + \ | |
9104a55d | 177 | decode_stateid_maxsz + \ |
2cebf828 TM |
178 | decode_change_info_maxsz + 1 + \ |
179 | nfs4_fattr_bitmap_maxsz + \ | |
180 | decode_delegation_maxsz) | |
9104a55d TM |
181 | #define encode_open_confirm_maxsz \ |
182 | (op_encode_hdr_maxsz + \ | |
183 | encode_stateid_maxsz + 1) | |
184 | #define decode_open_confirm_maxsz \ | |
185 | (op_decode_hdr_maxsz + \ | |
186 | decode_stateid_maxsz) | |
187 | #define encode_open_downgrade_maxsz \ | |
188 | (op_encode_hdr_maxsz + \ | |
189 | encode_stateid_maxsz + 1 + \ | |
190 | encode_share_access_maxsz) | |
191 | #define decode_open_downgrade_maxsz \ | |
192 | (op_decode_hdr_maxsz + \ | |
193 | decode_stateid_maxsz) | |
194 | #define encode_close_maxsz (op_encode_hdr_maxsz + \ | |
195 | 1 + encode_stateid_maxsz) | |
196 | #define decode_close_maxsz (op_decode_hdr_maxsz + \ | |
197 | decode_stateid_maxsz) | |
198 | #define encode_setattr_maxsz (op_encode_hdr_maxsz + \ | |
199 | encode_stateid_maxsz + \ | |
200 | encode_attrs_maxsz) | |
201 | #define decode_setattr_maxsz (op_decode_hdr_maxsz + \ | |
202 | nfs4_fattr_bitmap_maxsz) | |
203 | #define encode_read_maxsz (op_encode_hdr_maxsz + \ | |
204 | encode_stateid_maxsz + 3) | |
205 | #define decode_read_maxsz (op_decode_hdr_maxsz + 2) | |
206 | #define encode_readdir_maxsz (op_encode_hdr_maxsz + \ | |
aa9c2669 DQ |
207 | 2 + encode_verifier_maxsz + 5 + \ |
208 | nfs4_label_maxsz) | |
9104a55d | 209 | #define decode_readdir_maxsz (op_decode_hdr_maxsz + \ |
a7697f6f | 210 | decode_verifier_maxsz) |
9104a55d TM |
211 | #define encode_readlink_maxsz (op_encode_hdr_maxsz) |
212 | #define decode_readlink_maxsz (op_decode_hdr_maxsz + 1) | |
213 | #define encode_write_maxsz (op_encode_hdr_maxsz + \ | |
214 | encode_stateid_maxsz + 4) | |
215 | #define decode_write_maxsz (op_decode_hdr_maxsz + \ | |
216 | 2 + decode_verifier_maxsz) | |
217 | #define encode_commit_maxsz (op_encode_hdr_maxsz + 3) | |
218 | #define decode_commit_maxsz (op_decode_hdr_maxsz + \ | |
219 | decode_verifier_maxsz) | |
1da177e4 LT |
220 | #define encode_remove_maxsz (op_encode_hdr_maxsz + \ |
221 | nfs4_name_maxsz) | |
6ce18391 BH |
222 | #define decode_remove_maxsz (op_decode_hdr_maxsz + \ |
223 | decode_change_info_maxsz) | |
1da177e4 LT |
224 | #define encode_rename_maxsz (op_encode_hdr_maxsz + \ |
225 | 2 * nfs4_name_maxsz) | |
6ce18391 BH |
226 | #define decode_rename_maxsz (op_decode_hdr_maxsz + \ |
227 | decode_change_info_maxsz + \ | |
228 | decode_change_info_maxsz) | |
1da177e4 LT |
229 | #define encode_link_maxsz (op_encode_hdr_maxsz + \ |
230 | nfs4_name_maxsz) | |
6ce18391 | 231 | #define decode_link_maxsz (op_decode_hdr_maxsz + decode_change_info_maxsz) |
daccbded | 232 | #define encode_lockowner_maxsz (7) |
9104a55d TM |
233 | #define encode_lock_maxsz (op_encode_hdr_maxsz + \ |
234 | 7 + \ | |
daccbded TM |
235 | 1 + encode_stateid_maxsz + 1 + \ |
236 | encode_lockowner_maxsz) | |
9104a55d TM |
237 | #define decode_lock_denied_maxsz \ |
238 | (8 + decode_lockowner_maxsz) | |
239 | #define decode_lock_maxsz (op_decode_hdr_maxsz + \ | |
240 | decode_lock_denied_maxsz) | |
daccbded TM |
241 | #define encode_lockt_maxsz (op_encode_hdr_maxsz + 5 + \ |
242 | encode_lockowner_maxsz) | |
9104a55d TM |
243 | #define decode_lockt_maxsz (op_decode_hdr_maxsz + \ |
244 | decode_lock_denied_maxsz) | |
245 | #define encode_locku_maxsz (op_encode_hdr_maxsz + 3 + \ | |
246 | encode_stateid_maxsz + \ | |
247 | 4) | |
248 | #define decode_locku_maxsz (op_decode_hdr_maxsz + \ | |
249 | decode_stateid_maxsz) | |
d3c7b7cc TM |
250 | #define encode_release_lockowner_maxsz \ |
251 | (op_encode_hdr_maxsz + \ | |
252 | encode_lockowner_maxsz) | |
253 | #define decode_release_lockowner_maxsz \ | |
254 | (op_decode_hdr_maxsz) | |
9104a55d TM |
255 | #define encode_access_maxsz (op_encode_hdr_maxsz + 1) |
256 | #define decode_access_maxsz (op_decode_hdr_maxsz + 2) | |
1da177e4 LT |
257 | #define encode_symlink_maxsz (op_encode_hdr_maxsz + \ |
258 | 1 + nfs4_name_maxsz + \ | |
94a6d753 | 259 | 1 + \ |
96928206 | 260 | nfs4_fattr_maxsz) |
1da177e4 LT |
261 | #define decode_symlink_maxsz (op_decode_hdr_maxsz + 8) |
262 | #define encode_create_maxsz (op_encode_hdr_maxsz + \ | |
9104a55d TM |
263 | 1 + 2 + nfs4_name_maxsz + \ |
264 | encode_attrs_maxsz) | |
2cebf828 TM |
265 | #define decode_create_maxsz (op_decode_hdr_maxsz + \ |
266 | decode_change_info_maxsz + \ | |
267 | nfs4_fattr_bitmap_maxsz) | |
9104a55d TM |
268 | #define encode_statfs_maxsz (encode_getattr_maxsz) |
269 | #define decode_statfs_maxsz (decode_getattr_maxsz) | |
1da177e4 LT |
270 | #define encode_delegreturn_maxsz (op_encode_hdr_maxsz + 4) |
271 | #define decode_delegreturn_maxsz (op_decode_hdr_maxsz) | |
9104a55d TM |
272 | #define encode_getacl_maxsz (encode_getattr_maxsz) |
273 | #define decode_getacl_maxsz (op_decode_hdr_maxsz + \ | |
274 | nfs4_fattr_bitmap_maxsz + 1) | |
275 | #define encode_setacl_maxsz (op_encode_hdr_maxsz + \ | |
276 | encode_stateid_maxsz + 3) | |
277 | #define decode_setacl_maxsz (decode_setattr_maxsz) | |
e6889620 TM |
278 | #define encode_fs_locations_maxsz \ |
279 | (encode_getattr_maxsz) | |
280 | #define decode_fs_locations_maxsz \ | |
281 | (0) | |
5a5ea0d4 | 282 | #define encode_secinfo_maxsz (op_encode_hdr_maxsz + nfs4_name_maxsz) |
1650add2 | 283 | #define decode_secinfo_maxsz (op_decode_hdr_maxsz + 1 + ((NFS_MAX_SECFLAVORS * (16 + GSS_OID_MAX_LEN)) / 4)) |
9b7b9fcc AA |
284 | |
285 | #if defined(CONFIG_NFS_V4_1) | |
fc931582 | 286 | #define NFS4_MAX_MACHINE_NAME_LEN (64) |
d751f748 JR |
287 | #define IMPL_NAME_LIMIT (sizeof(utsname()->sysname) + sizeof(utsname()->release) + \ |
288 | sizeof(utsname()->version) + sizeof(utsname()->machine) + 8) | |
fc931582 | 289 | |
99fe60d0 BH |
290 | #define encode_exchange_id_maxsz (op_encode_hdr_maxsz + \ |
291 | encode_verifier_maxsz + \ | |
292 | 1 /* co_ownerid.len */ + \ | |
b8fb2f59 JL |
293 | /* eia_clientowner */ \ |
294 | 1 + XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
99fe60d0 BH |
295 | 1 /* flags */ + \ |
296 | 1 /* spa_how */ + \ | |
2031cd1a WAA |
297 | /* max is SP4_MACH_CRED (for now) */ + \ |
298 | 1 + NFS4_OP_MAP_NUM_WORDS + \ | |
299 | 1 + NFS4_OP_MAP_NUM_WORDS + \ | |
db8ac8ba WAA |
300 | 1 /* implementation id array of size 1 */ + \ |
301 | 1 /* nii_domain */ + \ | |
302 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
303 | 1 /* nii_name */ + \ | |
d751f748 | 304 | XDR_QUADLEN(IMPL_NAME_LIMIT) + \ |
db8ac8ba | 305 | 3 /* nii_date */) |
99fe60d0 BH |
306 | #define decode_exchange_id_maxsz (op_decode_hdr_maxsz + \ |
307 | 2 /* eir_clientid */ + \ | |
308 | 1 /* eir_sequenceid */ + \ | |
309 | 1 /* eir_flags */ + \ | |
310 | 1 /* spr_how */ + \ | |
2031cd1a WAA |
311 | /* max is SP4_MACH_CRED (for now) */ + \ |
312 | 1 + NFS4_OP_MAP_NUM_WORDS + \ | |
313 | 1 + NFS4_OP_MAP_NUM_WORDS + \ | |
99fe60d0 BH |
314 | 2 /* eir_server_owner.so_minor_id */ + \ |
315 | /* eir_server_owner.so_major_id<> */ \ | |
316 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 + \ | |
317 | /* eir_server_scope<> */ \ | |
318 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 + \ | |
319 | 1 /* eir_server_impl_id array length */ + \ | |
7d2ed9ac WAA |
320 | 1 /* nii_domain */ + \ |
321 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
322 | 1 /* nii_name */ + \ | |
323 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
324 | 3 /* nii_date */) | |
fc931582 AA |
325 | #define encode_channel_attrs_maxsz (6 + 1 /* ca_rdma_ird.len (0) */) |
326 | #define decode_channel_attrs_maxsz (6 + \ | |
327 | 1 /* ca_rdma_ird.len */ + \ | |
328 | 1 /* ca_rdma_ird */) | |
329 | #define encode_create_session_maxsz (op_encode_hdr_maxsz + \ | |
330 | 2 /* csa_clientid */ + \ | |
331 | 1 /* csa_sequence */ + \ | |
332 | 1 /* csa_flags */ + \ | |
333 | encode_channel_attrs_maxsz + \ | |
334 | encode_channel_attrs_maxsz + \ | |
335 | 1 /* csa_cb_program */ + \ | |
336 | 1 /* csa_sec_parms.len (1) */ + \ | |
337 | 1 /* cb_secflavor (AUTH_SYS) */ + \ | |
338 | 1 /* stamp */ + \ | |
339 | 1 /* machinename.len */ + \ | |
340 | XDR_QUADLEN(NFS4_MAX_MACHINE_NAME_LEN) + \ | |
341 | 1 /* uid */ + \ | |
342 | 1 /* gid */ + \ | |
343 | 1 /* gids.len (0) */) | |
344 | #define decode_create_session_maxsz (op_decode_hdr_maxsz + \ | |
345 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + \ | |
346 | 1 /* csr_sequence */ + \ | |
347 | 1 /* csr_flags */ + \ | |
348 | decode_channel_attrs_maxsz + \ | |
349 | decode_channel_attrs_maxsz) | |
7c44f1ae WAA |
350 | #define encode_bind_conn_to_session_maxsz (op_encode_hdr_maxsz + \ |
351 | /* bctsa_sessid */ \ | |
352 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + \ | |
353 | 1 /* bctsa_dir */ + \ | |
354 | 1 /* bctsa_use_conn_in_rdma_mode */) | |
355 | #define decode_bind_conn_to_session_maxsz (op_decode_hdr_maxsz + \ | |
356 | /* bctsr_sessid */ \ | |
357 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + \ | |
358 | 1 /* bctsr_dir */ + \ | |
359 | 1 /* bctsr_use_conn_in_rdma_mode */) | |
0f3e66c6 AA |
360 | #define encode_destroy_session_maxsz (op_encode_hdr_maxsz + 4) |
361 | #define decode_destroy_session_maxsz (op_decode_hdr_maxsz) | |
66245539 TM |
362 | #define encode_destroy_clientid_maxsz (op_encode_hdr_maxsz + 2) |
363 | #define decode_destroy_clientid_maxsz (op_decode_hdr_maxsz) | |
fc01cea9 AA |
364 | #define encode_sequence_maxsz (op_encode_hdr_maxsz + \ |
365 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 4) | |
366 | #define decode_sequence_maxsz (op_decode_hdr_maxsz + \ | |
367 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 5) | |
18019753 RL |
368 | #define encode_reclaim_complete_maxsz (op_encode_hdr_maxsz + 4) |
369 | #define decode_reclaim_complete_maxsz (op_decode_hdr_maxsz + 4) | |
84c9dee3 CH |
370 | #define encode_getdeviceinfo_maxsz (op_encode_hdr_maxsz + \ |
371 | XDR_QUADLEN(NFS4_DEVICEID4_SIZE) + \ | |
372 | 1 /* layout type */ + \ | |
373 | 1 /* maxcount */ + \ | |
374 | 1 /* bitmap size */ + \ | |
375 | 1 /* notification bitmap length */ + \ | |
376 | 1 /* notification bitmap, word 0 */) | |
b1f69b75 AA |
377 | #define decode_getdeviceinfo_maxsz (op_decode_hdr_maxsz + \ |
378 | 1 /* layout type */ + \ | |
379 | 1 /* opaque devaddr4 length */ + \ | |
380 | /* devaddr4 payload is read into page */ \ | |
381 | 1 /* notification bitmap length */ + \ | |
84c9dee3 | 382 | 1 /* notification bitmap, word 0 */) |
b1f69b75 AA |
383 | #define encode_layoutget_maxsz (op_encode_hdr_maxsz + 10 + \ |
384 | encode_stateid_maxsz) | |
385 | #define decode_layoutget_maxsz (op_decode_hdr_maxsz + 8 + \ | |
386 | decode_stateid_maxsz + \ | |
387 | XDR_QUADLEN(PNFS_LAYOUT_MAXSIZE)) | |
863a3c6c AA |
388 | #define encode_layoutcommit_maxsz (op_encode_hdr_maxsz + \ |
389 | 2 /* offset */ + \ | |
390 | 2 /* length */ + \ | |
391 | 1 /* reclaim */ + \ | |
392 | encode_stateid_maxsz + \ | |
393 | 1 /* new offset (true) */ + \ | |
394 | 2 /* last byte written */ + \ | |
395 | 1 /* nt_timechanged (false) */ + \ | |
396 | 1 /* layoutupdate4 layout type */ + \ | |
5f919c9f CH |
397 | 1 /* layoutupdate4 opaqueue len */) |
398 | /* the actual content of layoutupdate4 should | |
399 | be allocated by drivers and spliced in | |
400 | using xdr_write_pages */ | |
863a3c6c | 401 | #define decode_layoutcommit_maxsz (op_decode_hdr_maxsz + 3) |
cbe82603 BH |
402 | #define encode_layoutreturn_maxsz (8 + op_encode_hdr_maxsz + \ |
403 | encode_stateid_maxsz + \ | |
6669cb8b TM |
404 | 1 + \ |
405 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT)) | |
cbe82603 BH |
406 | #define decode_layoutreturn_maxsz (op_decode_hdr_maxsz + \ |
407 | 1 + decode_stateid_maxsz) | |
fca78d6d BS |
408 | #define encode_secinfo_no_name_maxsz (op_encode_hdr_maxsz + 1) |
409 | #define decode_secinfo_no_name_maxsz decode_secinfo_maxsz | |
7d974794 BS |
410 | #define encode_test_stateid_maxsz (op_encode_hdr_maxsz + 2 + \ |
411 | XDR_QUADLEN(NFS4_STATEID_SIZE)) | |
412 | #define decode_test_stateid_maxsz (op_decode_hdr_maxsz + 2 + 1) | |
9aeda35f BS |
413 | #define encode_free_stateid_maxsz (op_encode_hdr_maxsz + 1 + \ |
414 | XDR_QUADLEN(NFS4_STATEID_SIZE)) | |
9f79fb48 | 415 | #define decode_free_stateid_maxsz (op_decode_hdr_maxsz) |
9b7b9fcc AA |
416 | #else /* CONFIG_NFS_V4_1 */ |
417 | #define encode_sequence_maxsz 0 | |
418 | #define decode_sequence_maxsz 0 | |
cf805165 TM |
419 | #define encode_layoutreturn_maxsz 0 |
420 | #define decode_layoutreturn_maxsz 0 | |
9b7b9fcc AA |
421 | #endif /* CONFIG_NFS_V4_1 */ |
422 | ||
1da177e4 LT |
423 | #define NFS4_enc_compound_sz (1024) /* XXX: large enough? */ |
424 | #define NFS4_dec_compound_sz (1024) /* XXX: large enough? */ | |
425 | #define NFS4_enc_read_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 426 | encode_sequence_maxsz + \ |
1da177e4 | 427 | encode_putfh_maxsz + \ |
9104a55d | 428 | encode_read_maxsz) |
1da177e4 | 429 | #define NFS4_dec_read_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 430 | decode_sequence_maxsz + \ |
1da177e4 | 431 | decode_putfh_maxsz + \ |
9104a55d | 432 | decode_read_maxsz) |
1da177e4 | 433 | #define NFS4_enc_readlink_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 434 | encode_sequence_maxsz + \ |
1da177e4 | 435 | encode_putfh_maxsz + \ |
9104a55d | 436 | encode_readlink_maxsz) |
1da177e4 | 437 | #define NFS4_dec_readlink_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 438 | decode_sequence_maxsz + \ |
1da177e4 | 439 | decode_putfh_maxsz + \ |
9104a55d | 440 | decode_readlink_maxsz) |
1da177e4 | 441 | #define NFS4_enc_readdir_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 442 | encode_sequence_maxsz + \ |
1da177e4 | 443 | encode_putfh_maxsz + \ |
9104a55d | 444 | encode_readdir_maxsz) |
1da177e4 | 445 | #define NFS4_dec_readdir_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 446 | decode_sequence_maxsz + \ |
1da177e4 | 447 | decode_putfh_maxsz + \ |
9104a55d | 448 | decode_readdir_maxsz) |
1da177e4 | 449 | #define NFS4_enc_write_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 450 | encode_sequence_maxsz + \ |
1da177e4 | 451 | encode_putfh_maxsz + \ |
9104a55d | 452 | encode_write_maxsz + \ |
4f9838c7 | 453 | encode_getattr_maxsz) |
1da177e4 | 454 | #define NFS4_dec_write_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 455 | decode_sequence_maxsz + \ |
1da177e4 | 456 | decode_putfh_maxsz + \ |
9104a55d | 457 | decode_write_maxsz + \ |
4f9838c7 | 458 | decode_getattr_maxsz) |
1da177e4 | 459 | #define NFS4_enc_commit_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 460 | encode_sequence_maxsz + \ |
1da177e4 | 461 | encode_putfh_maxsz + \ |
8582715e | 462 | encode_commit_maxsz) |
1da177e4 | 463 | #define NFS4_dec_commit_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 464 | decode_sequence_maxsz + \ |
1da177e4 | 465 | decode_putfh_maxsz + \ |
8582715e | 466 | decode_commit_maxsz) |
1da177e4 | 467 | #define NFS4_enc_open_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 468 | encode_sequence_maxsz + \ |
2cebf828 | 469 | encode_putfh_maxsz + \ |
2cebf828 | 470 | encode_open_maxsz + \ |
6168f62c | 471 | encode_access_maxsz + \ |
2cebf828 | 472 | encode_getfh_maxsz + \ |
2cebf828 | 473 | encode_getattr_maxsz) |
1da177e4 | 474 | #define NFS4_dec_open_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 475 | decode_sequence_maxsz + \ |
2cebf828 | 476 | decode_putfh_maxsz + \ |
2cebf828 | 477 | decode_open_maxsz + \ |
6168f62c | 478 | decode_access_maxsz + \ |
2cebf828 | 479 | decode_getfh_maxsz + \ |
2cebf828 | 480 | decode_getattr_maxsz) |
9104a55d TM |
481 | #define NFS4_enc_open_confirm_sz \ |
482 | (compound_encode_hdr_maxsz + \ | |
483 | encode_putfh_maxsz + \ | |
484 | encode_open_confirm_maxsz) | |
485 | #define NFS4_dec_open_confirm_sz \ | |
486 | (compound_decode_hdr_maxsz + \ | |
487 | decode_putfh_maxsz + \ | |
488 | decode_open_confirm_maxsz) | |
1da177e4 | 489 | #define NFS4_enc_open_noattr_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 490 | encode_sequence_maxsz + \ |
1da177e4 | 491 | encode_putfh_maxsz + \ |
2cebf828 | 492 | encode_open_maxsz + \ |
6168f62c | 493 | encode_access_maxsz + \ |
2cebf828 | 494 | encode_getattr_maxsz) |
1da177e4 | 495 | #define NFS4_dec_open_noattr_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 496 | decode_sequence_maxsz + \ |
1da177e4 | 497 | decode_putfh_maxsz + \ |
2cebf828 | 498 | decode_open_maxsz + \ |
6168f62c | 499 | decode_access_maxsz + \ |
2cebf828 | 500 | decode_getattr_maxsz) |
1da177e4 LT |
501 | #define NFS4_enc_open_downgrade_sz \ |
502 | (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 503 | encode_sequence_maxsz + \ |
9104a55d | 504 | encode_putfh_maxsz + \ |
3947b74d | 505 | encode_open_downgrade_maxsz) |
1da177e4 LT |
506 | #define NFS4_dec_open_downgrade_sz \ |
507 | (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 508 | decode_sequence_maxsz + \ |
9104a55d | 509 | decode_putfh_maxsz + \ |
3947b74d | 510 | decode_open_downgrade_maxsz) |
9104a55d | 511 | #define NFS4_enc_close_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 512 | encode_sequence_maxsz + \ |
9104a55d | 513 | encode_putfh_maxsz + \ |
cf805165 | 514 | encode_layoutreturn_maxsz + \ |
9104a55d TM |
515 | encode_close_maxsz + \ |
516 | encode_getattr_maxsz) | |
517 | #define NFS4_dec_close_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 518 | decode_sequence_maxsz + \ |
9104a55d | 519 | decode_putfh_maxsz + \ |
cf805165 | 520 | decode_layoutreturn_maxsz + \ |
9104a55d TM |
521 | decode_close_maxsz + \ |
522 | decode_getattr_maxsz) | |
523 | #define NFS4_enc_setattr_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 524 | encode_sequence_maxsz + \ |
9104a55d TM |
525 | encode_putfh_maxsz + \ |
526 | encode_setattr_maxsz + \ | |
527 | encode_getattr_maxsz) | |
528 | #define NFS4_dec_setattr_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 529 | decode_sequence_maxsz + \ |
9104a55d TM |
530 | decode_putfh_maxsz + \ |
531 | decode_setattr_maxsz + \ | |
532 | decode_getattr_maxsz) | |
1da177e4 | 533 | #define NFS4_enc_fsinfo_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 534 | encode_sequence_maxsz + \ |
1da177e4 LT |
535 | encode_putfh_maxsz + \ |
536 | encode_fsinfo_maxsz) | |
537 | #define NFS4_dec_fsinfo_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 538 | decode_sequence_maxsz + \ |
1da177e4 LT |
539 | decode_putfh_maxsz + \ |
540 | decode_fsinfo_maxsz) | |
541 | #define NFS4_enc_renew_sz (compound_encode_hdr_maxsz + \ | |
542 | encode_renew_maxsz) | |
543 | #define NFS4_dec_renew_sz (compound_decode_hdr_maxsz + \ | |
544 | decode_renew_maxsz) | |
545 | #define NFS4_enc_setclientid_sz (compound_encode_hdr_maxsz + \ | |
546 | encode_setclientid_maxsz) | |
547 | #define NFS4_dec_setclientid_sz (compound_decode_hdr_maxsz + \ | |
548 | decode_setclientid_maxsz) | |
549 | #define NFS4_enc_setclientid_confirm_sz \ | |
550 | (compound_encode_hdr_maxsz + \ | |
83ca7f5a | 551 | encode_setclientid_confirm_maxsz) |
1da177e4 LT |
552 | #define NFS4_dec_setclientid_confirm_sz \ |
553 | (compound_decode_hdr_maxsz + \ | |
83ca7f5a | 554 | decode_setclientid_confirm_maxsz) |
1da177e4 | 555 | #define NFS4_enc_lock_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 556 | encode_sequence_maxsz + \ |
1da177e4 | 557 | encode_putfh_maxsz + \ |
9104a55d | 558 | encode_lock_maxsz) |
1da177e4 | 559 | #define NFS4_dec_lock_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 560 | decode_sequence_maxsz + \ |
1da177e4 | 561 | decode_putfh_maxsz + \ |
9104a55d | 562 | decode_lock_maxsz) |
1da177e4 | 563 | #define NFS4_enc_lockt_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 564 | encode_sequence_maxsz + \ |
1da177e4 | 565 | encode_putfh_maxsz + \ |
9104a55d TM |
566 | encode_lockt_maxsz) |
567 | #define NFS4_dec_lockt_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 568 | decode_sequence_maxsz + \ |
9104a55d TM |
569 | decode_putfh_maxsz + \ |
570 | decode_lockt_maxsz) | |
1da177e4 | 571 | #define NFS4_enc_locku_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 572 | encode_sequence_maxsz + \ |
1da177e4 | 573 | encode_putfh_maxsz + \ |
9104a55d | 574 | encode_locku_maxsz) |
1da177e4 | 575 | #define NFS4_dec_locku_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 576 | decode_sequence_maxsz + \ |
1da177e4 | 577 | decode_putfh_maxsz + \ |
9104a55d | 578 | decode_locku_maxsz) |
d3c7b7cc TM |
579 | #define NFS4_enc_release_lockowner_sz \ |
580 | (compound_encode_hdr_maxsz + \ | |
581 | encode_lockowner_maxsz) | |
582 | #define NFS4_dec_release_lockowner_sz \ | |
583 | (compound_decode_hdr_maxsz + \ | |
584 | decode_lockowner_maxsz) | |
1da177e4 | 585 | #define NFS4_enc_access_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 586 | encode_sequence_maxsz + \ |
1da177e4 | 587 | encode_putfh_maxsz + \ |
76b32999 TM |
588 | encode_access_maxsz + \ |
589 | encode_getattr_maxsz) | |
1da177e4 | 590 | #define NFS4_dec_access_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 591 | decode_sequence_maxsz + \ |
1da177e4 | 592 | decode_putfh_maxsz + \ |
76b32999 TM |
593 | decode_access_maxsz + \ |
594 | decode_getattr_maxsz) | |
1da177e4 | 595 | #define NFS4_enc_getattr_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 596 | encode_sequence_maxsz + \ |
1da177e4 | 597 | encode_putfh_maxsz + \ |
44c99933 CL |
598 | encode_getattr_maxsz + \ |
599 | encode_renew_maxsz) | |
1da177e4 | 600 | #define NFS4_dec_getattr_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 601 | decode_sequence_maxsz + \ |
1da177e4 | 602 | decode_putfh_maxsz + \ |
44c99933 CL |
603 | decode_getattr_maxsz + \ |
604 | decode_renew_maxsz) | |
1da177e4 | 605 | #define NFS4_enc_lookup_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 606 | encode_sequence_maxsz + \ |
1da177e4 LT |
607 | encode_putfh_maxsz + \ |
608 | encode_lookup_maxsz + \ | |
609 | encode_getattr_maxsz + \ | |
610 | encode_getfh_maxsz) | |
611 | #define NFS4_dec_lookup_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 612 | decode_sequence_maxsz + \ |
1da177e4 | 613 | decode_putfh_maxsz + \ |
e6889620 | 614 | decode_lookup_maxsz + \ |
1da177e4 LT |
615 | decode_getattr_maxsz + \ |
616 | decode_getfh_maxsz) | |
617 | #define NFS4_enc_lookup_root_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 618 | encode_sequence_maxsz + \ |
1da177e4 LT |
619 | encode_putrootfh_maxsz + \ |
620 | encode_getattr_maxsz + \ | |
621 | encode_getfh_maxsz) | |
622 | #define NFS4_dec_lookup_root_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 623 | decode_sequence_maxsz + \ |
1da177e4 LT |
624 | decode_putrootfh_maxsz + \ |
625 | decode_getattr_maxsz + \ | |
626 | decode_getfh_maxsz) | |
627 | #define NFS4_enc_remove_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 628 | encode_sequence_maxsz + \ |
1da177e4 | 629 | encode_putfh_maxsz + \ |
778d2817 | 630 | encode_remove_maxsz) |
1da177e4 | 631 | #define NFS4_dec_remove_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 632 | decode_sequence_maxsz + \ |
1da177e4 | 633 | decode_putfh_maxsz + \ |
778d2817 | 634 | decode_remove_maxsz) |
1da177e4 | 635 | #define NFS4_enc_rename_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 636 | encode_sequence_maxsz + \ |
1da177e4 LT |
637 | encode_putfh_maxsz + \ |
638 | encode_savefh_maxsz + \ | |
639 | encode_putfh_maxsz + \ | |
778d2817 | 640 | encode_rename_maxsz) |
1da177e4 | 641 | #define NFS4_dec_rename_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 642 | decode_sequence_maxsz + \ |
1da177e4 LT |
643 | decode_putfh_maxsz + \ |
644 | decode_savefh_maxsz + \ | |
645 | decode_putfh_maxsz + \ | |
778d2817 | 646 | decode_rename_maxsz) |
1da177e4 | 647 | #define NFS4_enc_link_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 648 | encode_sequence_maxsz + \ |
1da177e4 LT |
649 | encode_putfh_maxsz + \ |
650 | encode_savefh_maxsz + \ | |
651 | encode_putfh_maxsz + \ | |
91ba2eee | 652 | encode_link_maxsz + \ |
91ba2eee | 653 | encode_restorefh_maxsz + \ |
a9f6991b | 654 | encode_getattr_maxsz) |
1da177e4 | 655 | #define NFS4_dec_link_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 656 | decode_sequence_maxsz + \ |
1da177e4 LT |
657 | decode_putfh_maxsz + \ |
658 | decode_savefh_maxsz + \ | |
659 | decode_putfh_maxsz + \ | |
91ba2eee | 660 | decode_link_maxsz + \ |
91ba2eee TM |
661 | decode_restorefh_maxsz + \ |
662 | decode_getattr_maxsz) | |
1da177e4 | 663 | #define NFS4_enc_symlink_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 664 | encode_sequence_maxsz + \ |
1da177e4 LT |
665 | encode_putfh_maxsz + \ |
666 | encode_symlink_maxsz + \ | |
667 | encode_getattr_maxsz + \ | |
668 | encode_getfh_maxsz) | |
669 | #define NFS4_dec_symlink_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 670 | decode_sequence_maxsz + \ |
1da177e4 LT |
671 | decode_putfh_maxsz + \ |
672 | decode_symlink_maxsz + \ | |
673 | decode_getattr_maxsz + \ | |
674 | decode_getfh_maxsz) | |
675 | #define NFS4_enc_create_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 676 | encode_sequence_maxsz + \ |
1da177e4 LT |
677 | encode_putfh_maxsz + \ |
678 | encode_create_maxsz + \ | |
56ae19f3 | 679 | encode_getfh_maxsz + \ |
56ae19f3 | 680 | encode_getattr_maxsz) |
1da177e4 | 681 | #define NFS4_dec_create_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 682 | decode_sequence_maxsz + \ |
1da177e4 LT |
683 | decode_putfh_maxsz + \ |
684 | decode_create_maxsz + \ | |
56ae19f3 | 685 | decode_getfh_maxsz + \ |
56ae19f3 | 686 | decode_getattr_maxsz) |
1da177e4 | 687 | #define NFS4_enc_pathconf_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 688 | encode_sequence_maxsz + \ |
1da177e4 LT |
689 | encode_putfh_maxsz + \ |
690 | encode_getattr_maxsz) | |
691 | #define NFS4_dec_pathconf_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 692 | decode_sequence_maxsz + \ |
1da177e4 LT |
693 | decode_putfh_maxsz + \ |
694 | decode_getattr_maxsz) | |
695 | #define NFS4_enc_statfs_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 696 | encode_sequence_maxsz + \ |
1da177e4 | 697 | encode_putfh_maxsz + \ |
9104a55d | 698 | encode_statfs_maxsz) |
1da177e4 | 699 | #define NFS4_dec_statfs_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 700 | decode_sequence_maxsz + \ |
1da177e4 | 701 | decode_putfh_maxsz + \ |
9104a55d | 702 | decode_statfs_maxsz) |
1da177e4 | 703 | #define NFS4_enc_server_caps_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 704 | encode_sequence_maxsz + \ |
ab91f264 | 705 | encode_putfh_maxsz + \ |
1da177e4 LT |
706 | encode_getattr_maxsz) |
707 | #define NFS4_dec_server_caps_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 708 | decode_sequence_maxsz + \ |
ab91f264 | 709 | decode_putfh_maxsz + \ |
1da177e4 LT |
710 | decode_getattr_maxsz) |
711 | #define NFS4_enc_delegreturn_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 712 | encode_sequence_maxsz + \ |
1da177e4 | 713 | encode_putfh_maxsz + \ |
586f1c39 | 714 | encode_layoutreturn_maxsz + \ |
fa178f29 TM |
715 | encode_delegreturn_maxsz + \ |
716 | encode_getattr_maxsz) | |
1da177e4 | 717 | #define NFS4_dec_delegreturn_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 718 | decode_sequence_maxsz + \ |
d8434d4c | 719 | decode_putfh_maxsz + \ |
586f1c39 | 720 | decode_layoutreturn_maxsz + \ |
fa178f29 TM |
721 | decode_delegreturn_maxsz + \ |
722 | decode_getattr_maxsz) | |
029d105e | 723 | #define NFS4_enc_getacl_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 724 | encode_sequence_maxsz + \ |
029d105e | 725 | encode_putfh_maxsz + \ |
9104a55d | 726 | encode_getacl_maxsz) |
029d105e | 727 | #define NFS4_dec_getacl_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 728 | decode_sequence_maxsz + \ |
029d105e | 729 | decode_putfh_maxsz + \ |
9104a55d | 730 | decode_getacl_maxsz) |
23ec6965 | 731 | #define NFS4_enc_setacl_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 732 | encode_sequence_maxsz + \ |
23ec6965 | 733 | encode_putfh_maxsz + \ |
9104a55d | 734 | encode_setacl_maxsz) |
23ec6965 | 735 | #define NFS4_dec_setacl_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 736 | decode_sequence_maxsz + \ |
23ec6965 | 737 | decode_putfh_maxsz + \ |
9104a55d | 738 | decode_setacl_maxsz) |
683b57b4 TM |
739 | #define NFS4_enc_fs_locations_sz \ |
740 | (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 741 | encode_sequence_maxsz + \ |
683b57b4 | 742 | encode_putfh_maxsz + \ |
e6889620 | 743 | encode_lookup_maxsz + \ |
b03d735b CL |
744 | encode_fs_locations_maxsz + \ |
745 | encode_renew_maxsz) | |
683b57b4 TM |
746 | #define NFS4_dec_fs_locations_sz \ |
747 | (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 748 | decode_sequence_maxsz + \ |
683b57b4 | 749 | decode_putfh_maxsz + \ |
e6889620 | 750 | decode_lookup_maxsz + \ |
b03d735b CL |
751 | decode_fs_locations_maxsz + \ |
752 | decode_renew_maxsz) | |
5a5ea0d4 BS |
753 | #define NFS4_enc_secinfo_sz (compound_encode_hdr_maxsz + \ |
754 | encode_sequence_maxsz + \ | |
755 | encode_putfh_maxsz + \ | |
756 | encode_secinfo_maxsz) | |
757 | #define NFS4_dec_secinfo_sz (compound_decode_hdr_maxsz + \ | |
758 | decode_sequence_maxsz + \ | |
759 | decode_putfh_maxsz + \ | |
760 | decode_secinfo_maxsz) | |
44c99933 CL |
761 | #define NFS4_enc_fsid_present_sz \ |
762 | (compound_encode_hdr_maxsz + \ | |
763 | encode_sequence_maxsz + \ | |
764 | encode_putfh_maxsz + \ | |
765 | encode_getfh_maxsz + \ | |
766 | encode_renew_maxsz) | |
767 | #define NFS4_dec_fsid_present_sz \ | |
768 | (compound_decode_hdr_maxsz + \ | |
769 | decode_sequence_maxsz + \ | |
770 | decode_putfh_maxsz + \ | |
771 | decode_getfh_maxsz + \ | |
772 | decode_renew_maxsz) | |
99fe60d0 | 773 | #if defined(CONFIG_NFS_V4_1) |
7c44f1ae WAA |
774 | #define NFS4_enc_bind_conn_to_session_sz \ |
775 | (compound_encode_hdr_maxsz + \ | |
776 | encode_bind_conn_to_session_maxsz) | |
777 | #define NFS4_dec_bind_conn_to_session_sz \ | |
778 | (compound_decode_hdr_maxsz + \ | |
779 | decode_bind_conn_to_session_maxsz) | |
99fe60d0 BH |
780 | #define NFS4_enc_exchange_id_sz \ |
781 | (compound_encode_hdr_maxsz + \ | |
782 | encode_exchange_id_maxsz) | |
783 | #define NFS4_dec_exchange_id_sz \ | |
784 | (compound_decode_hdr_maxsz + \ | |
785 | decode_exchange_id_maxsz) | |
fc931582 AA |
786 | #define NFS4_enc_create_session_sz \ |
787 | (compound_encode_hdr_maxsz + \ | |
788 | encode_create_session_maxsz) | |
789 | #define NFS4_dec_create_session_sz \ | |
790 | (compound_decode_hdr_maxsz + \ | |
791 | decode_create_session_maxsz) | |
0f3e66c6 AA |
792 | #define NFS4_enc_destroy_session_sz (compound_encode_hdr_maxsz + \ |
793 | encode_destroy_session_maxsz) | |
794 | #define NFS4_dec_destroy_session_sz (compound_decode_hdr_maxsz + \ | |
795 | decode_destroy_session_maxsz) | |
66245539 TM |
796 | #define NFS4_enc_destroy_clientid_sz (compound_encode_hdr_maxsz + \ |
797 | encode_destroy_clientid_maxsz) | |
798 | #define NFS4_dec_destroy_clientid_sz (compound_decode_hdr_maxsz + \ | |
799 | decode_destroy_clientid_maxsz) | |
fc01cea9 AA |
800 | #define NFS4_enc_sequence_sz \ |
801 | (compound_decode_hdr_maxsz + \ | |
802 | encode_sequence_maxsz) | |
803 | #define NFS4_dec_sequence_sz \ | |
804 | (compound_decode_hdr_maxsz + \ | |
805 | decode_sequence_maxsz) | |
2050f0cc AA |
806 | #define NFS4_enc_get_lease_time_sz (compound_encode_hdr_maxsz + \ |
807 | encode_sequence_maxsz + \ | |
808 | encode_putrootfh_maxsz + \ | |
809 | encode_fsinfo_maxsz) | |
810 | #define NFS4_dec_get_lease_time_sz (compound_decode_hdr_maxsz + \ | |
811 | decode_sequence_maxsz + \ | |
812 | decode_putrootfh_maxsz + \ | |
813 | decode_fsinfo_maxsz) | |
18019753 RL |
814 | #define NFS4_enc_reclaim_complete_sz (compound_encode_hdr_maxsz + \ |
815 | encode_sequence_maxsz + \ | |
816 | encode_reclaim_complete_maxsz) | |
817 | #define NFS4_dec_reclaim_complete_sz (compound_decode_hdr_maxsz + \ | |
818 | decode_sequence_maxsz + \ | |
819 | decode_reclaim_complete_maxsz) | |
b1f69b75 AA |
820 | #define NFS4_enc_getdeviceinfo_sz (compound_encode_hdr_maxsz + \ |
821 | encode_sequence_maxsz +\ | |
822 | encode_getdeviceinfo_maxsz) | |
823 | #define NFS4_dec_getdeviceinfo_sz (compound_decode_hdr_maxsz + \ | |
824 | decode_sequence_maxsz + \ | |
825 | decode_getdeviceinfo_maxsz) | |
826 | #define NFS4_enc_layoutget_sz (compound_encode_hdr_maxsz + \ | |
827 | encode_sequence_maxsz + \ | |
828 | encode_putfh_maxsz + \ | |
829 | encode_layoutget_maxsz) | |
830 | #define NFS4_dec_layoutget_sz (compound_decode_hdr_maxsz + \ | |
831 | decode_sequence_maxsz + \ | |
832 | decode_putfh_maxsz + \ | |
833 | decode_layoutget_maxsz) | |
863a3c6c AA |
834 | #define NFS4_enc_layoutcommit_sz (compound_encode_hdr_maxsz + \ |
835 | encode_sequence_maxsz +\ | |
836 | encode_putfh_maxsz + \ | |
837 | encode_layoutcommit_maxsz + \ | |
838 | encode_getattr_maxsz) | |
839 | #define NFS4_dec_layoutcommit_sz (compound_decode_hdr_maxsz + \ | |
840 | decode_sequence_maxsz + \ | |
841 | decode_putfh_maxsz + \ | |
842 | decode_layoutcommit_maxsz + \ | |
843 | decode_getattr_maxsz) | |
cbe82603 BH |
844 | #define NFS4_enc_layoutreturn_sz (compound_encode_hdr_maxsz + \ |
845 | encode_sequence_maxsz + \ | |
846 | encode_putfh_maxsz + \ | |
847 | encode_layoutreturn_maxsz) | |
848 | #define NFS4_dec_layoutreturn_sz (compound_decode_hdr_maxsz + \ | |
849 | decode_sequence_maxsz + \ | |
850 | decode_putfh_maxsz + \ | |
851 | decode_layoutreturn_maxsz) | |
fca78d6d BS |
852 | #define NFS4_enc_secinfo_no_name_sz (compound_encode_hdr_maxsz + \ |
853 | encode_sequence_maxsz + \ | |
854 | encode_putrootfh_maxsz +\ | |
855 | encode_secinfo_no_name_maxsz) | |
856 | #define NFS4_dec_secinfo_no_name_sz (compound_decode_hdr_maxsz + \ | |
857 | decode_sequence_maxsz + \ | |
858 | decode_putrootfh_maxsz + \ | |
859 | decode_secinfo_no_name_maxsz) | |
7d974794 BS |
860 | #define NFS4_enc_test_stateid_sz (compound_encode_hdr_maxsz + \ |
861 | encode_sequence_maxsz + \ | |
862 | encode_test_stateid_maxsz) | |
863 | #define NFS4_dec_test_stateid_sz (compound_decode_hdr_maxsz + \ | |
864 | decode_sequence_maxsz + \ | |
865 | decode_test_stateid_maxsz) | |
9aeda35f BS |
866 | #define NFS4_enc_free_stateid_sz (compound_encode_hdr_maxsz + \ |
867 | encode_sequence_maxsz + \ | |
868 | encode_free_stateid_maxsz) | |
869 | #define NFS4_dec_free_stateid_sz (compound_decode_hdr_maxsz + \ | |
870 | decode_sequence_maxsz + \ | |
871 | decode_free_stateid_maxsz) | |
2449ea2e AB |
872 | |
873 | const u32 nfs41_maxwrite_overhead = ((RPC_MAX_HEADER_WITH_AUTH + | |
874 | compound_encode_hdr_maxsz + | |
875 | encode_sequence_maxsz + | |
876 | encode_putfh_maxsz + | |
877 | encode_getattr_maxsz) * | |
878 | XDR_UNIT); | |
879 | ||
880 | const u32 nfs41_maxread_overhead = ((RPC_MAX_HEADER_WITH_AUTH + | |
881 | compound_decode_hdr_maxsz + | |
882 | decode_sequence_maxsz + | |
883 | decode_putfh_maxsz) * | |
884 | XDR_UNIT); | |
f1c097be AA |
885 | |
886 | const u32 nfs41_maxgetdevinfo_overhead = ((RPC_MAX_REPHEADER_WITH_AUTH + | |
887 | compound_decode_hdr_maxsz + | |
888 | decode_sequence_maxsz) * | |
889 | XDR_UNIT); | |
890 | EXPORT_SYMBOL_GPL(nfs41_maxgetdevinfo_overhead); | |
99fe60d0 | 891 | #endif /* CONFIG_NFS_V4_1 */ |
1da177e4 | 892 | |
bca79478 TM |
893 | static const umode_t nfs_type2fmt[] = { |
894 | [NF4BAD] = 0, | |
895 | [NF4REG] = S_IFREG, | |
896 | [NF4DIR] = S_IFDIR, | |
897 | [NF4BLK] = S_IFBLK, | |
898 | [NF4CHR] = S_IFCHR, | |
899 | [NF4LNK] = S_IFLNK, | |
900 | [NF4SOCK] = S_IFSOCK, | |
901 | [NF4FIFO] = S_IFIFO, | |
902 | [NF4ATTRDIR] = 0, | |
903 | [NF4NAMEDATTR] = 0, | |
1da177e4 LT |
904 | }; |
905 | ||
906 | struct compound_hdr { | |
907 | int32_t status; | |
908 | uint32_t nops; | |
d017931c | 909 | __be32 * nops_p; |
1da177e4 LT |
910 | uint32_t taglen; |
911 | char * tag; | |
0c4e8c18 | 912 | uint32_t replen; /* expected reply words */ |
66cc0429 | 913 | u32 minorversion; |
1da177e4 LT |
914 | }; |
915 | ||
13c65ce9 BH |
916 | static __be32 *reserve_space(struct xdr_stream *xdr, size_t nbytes) |
917 | { | |
918 | __be32 *p = xdr_reserve_space(xdr, nbytes); | |
919 | BUG_ON(!p); | |
920 | return p; | |
921 | } | |
1da177e4 | 922 | |
cb17e556 TM |
923 | static void encode_opaque_fixed(struct xdr_stream *xdr, const void *buf, size_t len) |
924 | { | |
925 | __be32 *p; | |
926 | ||
927 | p = xdr_reserve_space(xdr, len); | |
928 | xdr_encode_opaque_fixed(p, buf, len); | |
929 | } | |
930 | ||
1da177e4 LT |
931 | static void encode_string(struct xdr_stream *xdr, unsigned int len, const char *str) |
932 | { | |
8687b63a | 933 | __be32 *p; |
1da177e4 | 934 | |
6fdfb0bc | 935 | p = reserve_space(xdr, 4 + len); |
1da177e4 LT |
936 | xdr_encode_opaque(p, str, len); |
937 | } | |
938 | ||
4ade9821 TM |
939 | static void encode_uint32(struct xdr_stream *xdr, u32 n) |
940 | { | |
941 | __be32 *p; | |
942 | ||
943 | p = reserve_space(xdr, 4); | |
944 | *p = cpu_to_be32(n); | |
945 | } | |
946 | ||
ff2eb681 TM |
947 | static void encode_uint64(struct xdr_stream *xdr, u64 n) |
948 | { | |
949 | __be32 *p; | |
950 | ||
951 | p = reserve_space(xdr, 8); | |
952 | xdr_encode_hyper(p, n); | |
953 | } | |
954 | ||
4ade9821 TM |
955 | static void encode_nfs4_seqid(struct xdr_stream *xdr, |
956 | const struct nfs_seqid *seqid) | |
957 | { | |
a6796419 TM |
958 | if (seqid != NULL) |
959 | encode_uint32(xdr, seqid->sequence->counter); | |
960 | else | |
961 | encode_uint32(xdr, 0); | |
4ade9821 TM |
962 | } |
963 | ||
0c4e8c18 BH |
964 | static void encode_compound_hdr(struct xdr_stream *xdr, |
965 | struct rpc_rqst *req, | |
966 | struct compound_hdr *hdr) | |
1da177e4 | 967 | { |
8687b63a | 968 | __be32 *p; |
a17c2153 | 969 | struct rpc_auth *auth = req->rq_cred->cr_auth; |
0c4e8c18 BH |
970 | |
971 | /* initialize running count of expected bytes in reply. | |
972 | * NOTE: the replied tag SHOULD be the same is the one sent, | |
973 | * but this is not required as a MUST for the server to do so. */ | |
974 | hdr->replen = RPC_REPHDRSIZE + auth->au_rslack + 3 + hdr->taglen; | |
1da177e4 | 975 | |
7fc38846 | 976 | WARN_ON_ONCE(hdr->taglen > NFS4_MAXTAGLEN); |
6fdfb0bc TM |
977 | encode_string(xdr, hdr->taglen, hdr->tag); |
978 | p = reserve_space(xdr, 8); | |
e75bc1c8 | 979 | *p++ = cpu_to_be32(hdr->minorversion); |
d017931c | 980 | hdr->nops_p = p; |
34558513 | 981 | *p = cpu_to_be32(hdr->nops); |
d017931c AA |
982 | } |
983 | ||
ab19b481 TM |
984 | static void encode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 op, |
985 | uint32_t replen, | |
986 | struct compound_hdr *hdr) | |
987 | { | |
988 | encode_uint32(xdr, op); | |
989 | hdr->nops++; | |
990 | hdr->replen += replen; | |
991 | } | |
992 | ||
d017931c AA |
993 | static void encode_nops(struct compound_hdr *hdr) |
994 | { | |
7fc38846 | 995 | WARN_ON_ONCE(hdr->nops > NFS4_MAX_OPS); |
d017931c | 996 | *hdr->nops_p = htonl(hdr->nops); |
1da177e4 LT |
997 | } |
998 | ||
ea9d23f5 TM |
999 | static void encode_nfs4_stateid(struct xdr_stream *xdr, const nfs4_stateid *stateid) |
1000 | { | |
2d2f24ad | 1001 | encode_opaque_fixed(xdr, stateid, NFS4_STATEID_SIZE); |
ea9d23f5 TM |
1002 | } |
1003 | ||
1da177e4 LT |
1004 | static void encode_nfs4_verifier(struct xdr_stream *xdr, const nfs4_verifier *verf) |
1005 | { | |
cb17e556 | 1006 | encode_opaque_fixed(xdr, verf->data, NFS4_VERIFIER_SIZE); |
1da177e4 LT |
1007 | } |
1008 | ||
aa9c2669 DQ |
1009 | static void encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, |
1010 | const struct nfs4_label *label, | |
5334c5bd | 1011 | const struct nfs_server *server, |
dff25ddb | 1012 | bool excl_check, const umode_t *umask) |
1da177e4 LT |
1013 | { |
1014 | char owner_name[IDMAP_NAMESZ]; | |
1015 | char owner_group[IDMAP_NAMESZ]; | |
1016 | int owner_namelen = 0; | |
1017 | int owner_grouplen = 0; | |
8687b63a | 1018 | __be32 *p; |
d7067b2d TM |
1019 | unsigned i; |
1020 | uint32_t len = 0; | |
1021 | uint32_t bmval_len; | |
1022 | uint32_t bmval[3] = { 0 }; | |
1da177e4 LT |
1023 | |
1024 | /* | |
1025 | * We reserve enough space to write the entire attribute buffer at once. | |
1da177e4 | 1026 | */ |
d7067b2d TM |
1027 | if (iap->ia_valid & ATTR_SIZE) { |
1028 | bmval[0] |= FATTR4_WORD0_SIZE; | |
1da177e4 | 1029 | len += 8; |
d7067b2d | 1030 | } |
dff25ddb AG |
1031 | if (!(server->attr_bitmask[2] & FATTR4_WORD2_MODE_UMASK)) |
1032 | umask = NULL; | |
d7067b2d | 1033 | if (iap->ia_valid & ATTR_MODE) { |
dff25ddb AG |
1034 | if (umask) { |
1035 | bmval[2] |= FATTR4_WORD2_MODE_UMASK; | |
1036 | len += 8; | |
1037 | } else { | |
1038 | bmval[1] |= FATTR4_WORD1_MODE; | |
1039 | len += 4; | |
1040 | } | |
d7067b2d | 1041 | } |
1da177e4 | 1042 | if (iap->ia_valid & ATTR_UID) { |
e4fd72a1 | 1043 | owner_namelen = nfs_map_uid_to_name(server, iap->ia_uid, owner_name, IDMAP_NAMESZ); |
1da177e4 | 1044 | if (owner_namelen < 0) { |
fe82a183 | 1045 | dprintk("nfs: couldn't resolve uid %d to string\n", |
e5782076 | 1046 | from_kuid(&init_user_ns, iap->ia_uid)); |
1da177e4 LT |
1047 | /* XXX */ |
1048 | strcpy(owner_name, "nobody"); | |
1049 | owner_namelen = sizeof("nobody") - 1; | |
1050 | /* goto out; */ | |
1051 | } | |
d7067b2d | 1052 | bmval[1] |= FATTR4_WORD1_OWNER; |
1da177e4 LT |
1053 | len += 4 + (XDR_QUADLEN(owner_namelen) << 2); |
1054 | } | |
1055 | if (iap->ia_valid & ATTR_GID) { | |
e4fd72a1 | 1056 | owner_grouplen = nfs_map_gid_to_group(server, iap->ia_gid, owner_group, IDMAP_NAMESZ); |
1da177e4 | 1057 | if (owner_grouplen < 0) { |
fe82a183 | 1058 | dprintk("nfs: couldn't resolve gid %d to string\n", |
e5782076 | 1059 | from_kgid(&init_user_ns, iap->ia_gid)); |
1da177e4 LT |
1060 | strcpy(owner_group, "nobody"); |
1061 | owner_grouplen = sizeof("nobody") - 1; | |
1062 | /* goto out; */ | |
1063 | } | |
d7067b2d | 1064 | bmval[1] |= FATTR4_WORD1_OWNER_GROUP; |
1da177e4 LT |
1065 | len += 4 + (XDR_QUADLEN(owner_grouplen) << 2); |
1066 | } | |
d7067b2d TM |
1067 | if (iap->ia_valid & ATTR_ATIME_SET) { |
1068 | bmval[1] |= FATTR4_WORD1_TIME_ACCESS_SET; | |
1da177e4 | 1069 | len += 16; |
d7067b2d TM |
1070 | } else if (iap->ia_valid & ATTR_ATIME) { |
1071 | bmval[1] |= FATTR4_WORD1_TIME_ACCESS_SET; | |
1da177e4 | 1072 | len += 4; |
d7067b2d TM |
1073 | } |
1074 | if (iap->ia_valid & ATTR_MTIME_SET) { | |
1075 | bmval[1] |= FATTR4_WORD1_TIME_MODIFY_SET; | |
1da177e4 | 1076 | len += 16; |
d7067b2d TM |
1077 | } else if (iap->ia_valid & ATTR_MTIME) { |
1078 | bmval[1] |= FATTR4_WORD1_TIME_MODIFY_SET; | |
1da177e4 | 1079 | len += 4; |
d7067b2d | 1080 | } |
5334c5bd KM |
1081 | |
1082 | if (excl_check) { | |
1083 | const u32 *excl_bmval = server->exclcreat_bitmask; | |
1084 | bmval[0] &= excl_bmval[0]; | |
1085 | bmval[1] &= excl_bmval[1]; | |
1086 | bmval[2] &= excl_bmval[2]; | |
1087 | ||
1088 | if (!(excl_bmval[2] & FATTR4_WORD2_SECURITY_LABEL)) | |
1089 | label = NULL; | |
1090 | } | |
1091 | ||
b4a2cf76 TM |
1092 | if (label) { |
1093 | len += 4 + 4 + 4 + (XDR_QUADLEN(label->len) << 2); | |
d7067b2d | 1094 | bmval[2] |= FATTR4_WORD2_SECURITY_LABEL; |
b4a2cf76 TM |
1095 | } |
1096 | ||
d7067b2d TM |
1097 | if (bmval[2] != 0) |
1098 | bmval_len = 3; | |
1099 | else if (bmval[1] != 0) | |
1100 | bmval_len = 2; | |
1101 | else | |
1102 | bmval_len = 1; | |
1103 | ||
1104 | p = reserve_space(xdr, 4 + (bmval_len << 2) + 4 + len); | |
1da177e4 | 1105 | |
b4a2cf76 | 1106 | *p++ = cpu_to_be32(bmval_len); |
d7067b2d TM |
1107 | for (i = 0; i < bmval_len; i++) |
1108 | *p++ = cpu_to_be32(bmval[i]); | |
1109 | *p++ = cpu_to_be32(len); | |
1da177e4 | 1110 | |
d7067b2d | 1111 | if (bmval[0] & FATTR4_WORD0_SIZE) |
b95be5a9 | 1112 | p = xdr_encode_hyper(p, iap->ia_size); |
d7067b2d | 1113 | if (bmval[1] & FATTR4_WORD1_MODE) |
e75bc1c8 | 1114 | *p++ = cpu_to_be32(iap->ia_mode & S_IALLUGO); |
d7067b2d | 1115 | if (bmval[1] & FATTR4_WORD1_OWNER) |
811652bd | 1116 | p = xdr_encode_opaque(p, owner_name, owner_namelen); |
d7067b2d | 1117 | if (bmval[1] & FATTR4_WORD1_OWNER_GROUP) |
811652bd | 1118 | p = xdr_encode_opaque(p, owner_group, owner_grouplen); |
d7067b2d TM |
1119 | if (bmval[1] & FATTR4_WORD1_TIME_ACCESS_SET) { |
1120 | if (iap->ia_valid & ATTR_ATIME_SET) { | |
1121 | *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); | |
1122 | p = xdr_encode_hyper(p, (s64)iap->ia_atime.tv_sec); | |
1123 | *p++ = cpu_to_be32(iap->ia_atime.tv_nsec); | |
1124 | } else | |
1125 | *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); | |
1da177e4 | 1126 | } |
d7067b2d TM |
1127 | if (bmval[1] & FATTR4_WORD1_TIME_MODIFY_SET) { |
1128 | if (iap->ia_valid & ATTR_MTIME_SET) { | |
1129 | *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); | |
1130 | p = xdr_encode_hyper(p, (s64)iap->ia_mtime.tv_sec); | |
1131 | *p++ = cpu_to_be32(iap->ia_mtime.tv_nsec); | |
1132 | } else | |
1133 | *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); | |
1da177e4 | 1134 | } |
d7067b2d | 1135 | if (bmval[2] & FATTR4_WORD2_SECURITY_LABEL) { |
aa9c2669 DQ |
1136 | *p++ = cpu_to_be32(label->lfs); |
1137 | *p++ = cpu_to_be32(label->pi); | |
1138 | *p++ = cpu_to_be32(label->len); | |
1139 | p = xdr_encode_opaque_fixed(p, label->label, label->len); | |
1140 | } | |
dff25ddb AG |
1141 | if (bmval[2] & FATTR4_WORD2_MODE_UMASK) { |
1142 | *p++ = cpu_to_be32(iap->ia_mode & S_IALLUGO); | |
1143 | *p++ = cpu_to_be32(*umask); | |
1144 | } | |
6c0195a4 | 1145 | |
1da177e4 | 1146 | /* out: */ |
1da177e4 LT |
1147 | } |
1148 | ||
cf8cdbe5 | 1149 | static void encode_access(struct xdr_stream *xdr, u32 access, struct compound_hdr *hdr) |
1da177e4 | 1150 | { |
475d4ba0 TM |
1151 | encode_op_hdr(xdr, OP_ACCESS, decode_access_maxsz, hdr); |
1152 | encode_uint32(xdr, access); | |
1da177e4 LT |
1153 | } |
1154 | ||
cf8cdbe5 | 1155 | static void encode_close(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1156 | { |
ab19b481 | 1157 | encode_op_hdr(xdr, OP_CLOSE, decode_close_maxsz, hdr); |
4ade9821 | 1158 | encode_nfs4_seqid(xdr, arg->seqid); |
566fcec6 | 1159 | encode_nfs4_stateid(xdr, &arg->stateid); |
1da177e4 LT |
1160 | } |
1161 | ||
0b7c0153 | 1162 | static void encode_commit(struct xdr_stream *xdr, const struct nfs_commitargs *args, struct compound_hdr *hdr) |
1da177e4 | 1163 | { |
8687b63a | 1164 | __be32 *p; |
6c0195a4 | 1165 | |
475d4ba0 TM |
1166 | encode_op_hdr(xdr, OP_COMMIT, decode_commit_maxsz, hdr); |
1167 | p = reserve_space(xdr, 12); | |
b95be5a9 | 1168 | p = xdr_encode_hyper(p, args->offset); |
34558513 | 1169 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1170 | } |
1171 | ||
cf8cdbe5 | 1172 | static void encode_create(struct xdr_stream *xdr, const struct nfs4_create_arg *create, struct compound_hdr *hdr) |
1da177e4 | 1173 | { |
8687b63a | 1174 | __be32 *p; |
6c0195a4 | 1175 | |
475d4ba0 TM |
1176 | encode_op_hdr(xdr, OP_CREATE, decode_create_maxsz, hdr); |
1177 | encode_uint32(xdr, create->ftype); | |
1da177e4 LT |
1178 | |
1179 | switch (create->ftype) { | |
1180 | case NF4LNK: | |
13c65ce9 | 1181 | p = reserve_space(xdr, 4); |
34558513 | 1182 | *p = cpu_to_be32(create->u.symlink.len); |
2fcc213a CL |
1183 | xdr_write_pages(xdr, create->u.symlink.pages, 0, |
1184 | create->u.symlink.len); | |
1185 | xdr->buf->flags |= XDRBUF_WRITE; | |
1da177e4 LT |
1186 | break; |
1187 | ||
1188 | case NF4BLK: case NF4CHR: | |
13c65ce9 | 1189 | p = reserve_space(xdr, 8); |
e75bc1c8 | 1190 | *p++ = cpu_to_be32(create->u.device.specdata1); |
34558513 | 1191 | *p = cpu_to_be32(create->u.device.specdata2); |
1da177e4 LT |
1192 | break; |
1193 | ||
1194 | default: | |
1195 | break; | |
1196 | } | |
1197 | ||
811652bd | 1198 | encode_string(xdr, create->name->len, create->name->name); |
dff25ddb AG |
1199 | encode_attrs(xdr, create->attrs, create->label, create->server, false, |
1200 | &create->umask); | |
1da177e4 LT |
1201 | } |
1202 | ||
cf8cdbe5 | 1203 | static void encode_getattr_one(struct xdr_stream *xdr, uint32_t bitmap, struct compound_hdr *hdr) |
1da177e4 | 1204 | { |
05d564fe | 1205 | __be32 *p; |
1da177e4 | 1206 | |
475d4ba0 TM |
1207 | encode_op_hdr(xdr, OP_GETATTR, decode_getattr_maxsz, hdr); |
1208 | p = reserve_space(xdr, 8); | |
e75bc1c8 | 1209 | *p++ = cpu_to_be32(1); |
34558513 | 1210 | *p = cpu_to_be32(bitmap); |
1da177e4 LT |
1211 | } |
1212 | ||
cf8cdbe5 | 1213 | static void encode_getattr_two(struct xdr_stream *xdr, uint32_t bm0, uint32_t bm1, struct compound_hdr *hdr) |
1da177e4 | 1214 | { |
05d564fe | 1215 | __be32 *p; |
1da177e4 | 1216 | |
475d4ba0 TM |
1217 | encode_op_hdr(xdr, OP_GETATTR, decode_getattr_maxsz, hdr); |
1218 | p = reserve_space(xdr, 12); | |
e75bc1c8 BH |
1219 | *p++ = cpu_to_be32(2); |
1220 | *p++ = cpu_to_be32(bm0); | |
34558513 | 1221 | *p = cpu_to_be32(bm1); |
1da177e4 LT |
1222 | } |
1223 | ||
dae100c2 FI |
1224 | static void |
1225 | encode_getattr_three(struct xdr_stream *xdr, | |
1226 | uint32_t bm0, uint32_t bm1, uint32_t bm2, | |
1227 | struct compound_hdr *hdr) | |
1228 | { | |
1229 | __be32 *p; | |
1230 | ||
ab19b481 | 1231 | encode_op_hdr(xdr, OP_GETATTR, decode_getattr_maxsz, hdr); |
dae100c2 FI |
1232 | if (bm2) { |
1233 | p = reserve_space(xdr, 16); | |
1234 | *p++ = cpu_to_be32(3); | |
1235 | *p++ = cpu_to_be32(bm0); | |
1236 | *p++ = cpu_to_be32(bm1); | |
1237 | *p = cpu_to_be32(bm2); | |
1238 | } else if (bm1) { | |
1239 | p = reserve_space(xdr, 12); | |
1240 | *p++ = cpu_to_be32(2); | |
1241 | *p++ = cpu_to_be32(bm0); | |
1242 | *p = cpu_to_be32(bm1); | |
1243 | } else { | |
1244 | p = reserve_space(xdr, 8); | |
1245 | *p++ = cpu_to_be32(1); | |
1246 | *p = cpu_to_be32(bm0); | |
1247 | } | |
dae100c2 FI |
1248 | } |
1249 | ||
cf8cdbe5 | 1250 | static void encode_getfattr(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
1da177e4 | 1251 | { |
a09df2ca DQ |
1252 | encode_getattr_three(xdr, bitmask[0] & nfs4_fattr_bitmap[0], |
1253 | bitmask[1] & nfs4_fattr_bitmap[1], | |
1254 | bitmask[2] & nfs4_fattr_bitmap[2], | |
1255 | hdr); | |
1da177e4 LT |
1256 | } |
1257 | ||
88034c3d | 1258 | static void encode_getfattr_open(struct xdr_stream *xdr, const u32 *bitmask, |
1549210f | 1259 | const u32 *open_bitmap, |
88034c3d AA |
1260 | struct compound_hdr *hdr) |
1261 | { | |
1262 | encode_getattr_three(xdr, | |
1549210f TM |
1263 | bitmask[0] & open_bitmap[0], |
1264 | bitmask[1] & open_bitmap[1], | |
1265 | bitmask[2] & open_bitmap[2], | |
88034c3d AA |
1266 | hdr); |
1267 | } | |
1268 | ||
cf8cdbe5 | 1269 | static void encode_fsinfo(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
1da177e4 | 1270 | { |
dae100c2 FI |
1271 | encode_getattr_three(xdr, |
1272 | bitmask[0] & nfs4_fsinfo_bitmap[0], | |
1273 | bitmask[1] & nfs4_fsinfo_bitmap[1], | |
1274 | bitmask[2] & nfs4_fsinfo_bitmap[2], | |
1275 | hdr); | |
1da177e4 LT |
1276 | } |
1277 | ||
cf8cdbe5 | 1278 | static void encode_fs_locations(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
830b8e33 | 1279 | { |
cf8cdbe5 AA |
1280 | encode_getattr_two(xdr, bitmask[0] & nfs4_fs_locations_bitmap[0], |
1281 | bitmask[1] & nfs4_fs_locations_bitmap[1], hdr); | |
830b8e33 MN |
1282 | } |
1283 | ||
cf8cdbe5 | 1284 | static void encode_getfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1285 | { |
ab19b481 | 1286 | encode_op_hdr(xdr, OP_GETFH, decode_getfh_maxsz, hdr); |
1da177e4 LT |
1287 | } |
1288 | ||
cf8cdbe5 | 1289 | static void encode_link(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1290 | { |
ab19b481 | 1291 | encode_op_hdr(xdr, OP_LINK, decode_link_maxsz, hdr); |
6fdfb0bc | 1292 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1293 | } |
1294 | ||
911d1aaf TM |
1295 | static inline int nfs4_lock_type(struct file_lock *fl, int block) |
1296 | { | |
f44106e2 | 1297 | if (fl->fl_type == F_RDLCK) |
911d1aaf TM |
1298 | return block ? NFS4_READW_LT : NFS4_READ_LT; |
1299 | return block ? NFS4_WRITEW_LT : NFS4_WRITE_LT; | |
1300 | } | |
1301 | ||
1302 | static inline uint64_t nfs4_lock_length(struct file_lock *fl) | |
1303 | { | |
1304 | if (fl->fl_end == OFFSET_MAX) | |
1305 | return ~(uint64_t)0; | |
1306 | return fl->fl_end - fl->fl_start + 1; | |
1307 | } | |
1308 | ||
daccbded TM |
1309 | static void encode_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner) |
1310 | { | |
1311 | __be32 *p; | |
1312 | ||
d035c36c | 1313 | p = reserve_space(xdr, 32); |
daccbded | 1314 | p = xdr_encode_hyper(p, lowner->clientid); |
d035c36c | 1315 | *p++ = cpu_to_be32(20); |
daccbded | 1316 | p = xdr_encode_opaque_fixed(p, "lock id:", 8); |
d035c36c | 1317 | *p++ = cpu_to_be32(lowner->s_dev); |
daccbded TM |
1318 | xdr_encode_hyper(p, lowner->id); |
1319 | } | |
1320 | ||
1da177e4 LT |
1321 | /* |
1322 | * opcode,type,reclaim,offset,length,new_lock_owner = 32 | |
1323 | * open_seqid,open_stateid,lock_seqid,lock_owner.clientid, lock_owner.id = 40 | |
1324 | */ | |
cf8cdbe5 | 1325 | static void encode_lock(struct xdr_stream *xdr, const struct nfs_lock_args *args, struct compound_hdr *hdr) |
1da177e4 | 1326 | { |
8687b63a | 1327 | __be32 *p; |
1da177e4 | 1328 | |
475d4ba0 TM |
1329 | encode_op_hdr(xdr, OP_LOCK, decode_lock_maxsz, hdr); |
1330 | p = reserve_space(xdr, 28); | |
e75bc1c8 BH |
1331 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, args->block)); |
1332 | *p++ = cpu_to_be32(args->reclaim); | |
b95be5a9 BH |
1333 | p = xdr_encode_hyper(p, args->fl->fl_start); |
1334 | p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); | |
34558513 | 1335 | *p = cpu_to_be32(args->new_lock_owner); |
911d1aaf | 1336 | if (args->new_lock_owner){ |
4ade9821 | 1337 | encode_nfs4_seqid(xdr, args->open_seqid); |
425c1d4e | 1338 | encode_nfs4_stateid(xdr, &args->open_stateid); |
4ade9821 | 1339 | encode_nfs4_seqid(xdr, args->lock_seqid); |
daccbded | 1340 | encode_lockowner(xdr, &args->lock_owner); |
1da177e4 LT |
1341 | } |
1342 | else { | |
425c1d4e | 1343 | encode_nfs4_stateid(xdr, &args->lock_stateid); |
4ade9821 | 1344 | encode_nfs4_seqid(xdr, args->lock_seqid); |
1da177e4 | 1345 | } |
1da177e4 LT |
1346 | } |
1347 | ||
cf8cdbe5 | 1348 | static void encode_lockt(struct xdr_stream *xdr, const struct nfs_lockt_args *args, struct compound_hdr *hdr) |
1da177e4 | 1349 | { |
8687b63a | 1350 | __be32 *p; |
1da177e4 | 1351 | |
475d4ba0 TM |
1352 | encode_op_hdr(xdr, OP_LOCKT, decode_lockt_maxsz, hdr); |
1353 | p = reserve_space(xdr, 20); | |
e75bc1c8 | 1354 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, 0)); |
b95be5a9 BH |
1355 | p = xdr_encode_hyper(p, args->fl->fl_start); |
1356 | p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); | |
daccbded | 1357 | encode_lockowner(xdr, &args->lock_owner); |
1da177e4 LT |
1358 | } |
1359 | ||
cf8cdbe5 | 1360 | static void encode_locku(struct xdr_stream *xdr, const struct nfs_locku_args *args, struct compound_hdr *hdr) |
1da177e4 | 1361 | { |
8687b63a | 1362 | __be32 *p; |
1da177e4 | 1363 | |
475d4ba0 TM |
1364 | encode_op_hdr(xdr, OP_LOCKU, decode_locku_maxsz, hdr); |
1365 | encode_uint32(xdr, nfs4_lock_type(args->fl, 0)); | |
4ade9821 | 1366 | encode_nfs4_seqid(xdr, args->seqid); |
425c1d4e | 1367 | encode_nfs4_stateid(xdr, &args->stateid); |
ea9d23f5 | 1368 | p = reserve_space(xdr, 16); |
b95be5a9 | 1369 | p = xdr_encode_hyper(p, args->fl->fl_start); |
34558513 | 1370 | xdr_encode_hyper(p, nfs4_lock_length(args->fl)); |
1da177e4 LT |
1371 | } |
1372 | ||
d3c7b7cc TM |
1373 | static void encode_release_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner, struct compound_hdr *hdr) |
1374 | { | |
ab19b481 | 1375 | encode_op_hdr(xdr, OP_RELEASE_LOCKOWNER, decode_release_lockowner_maxsz, hdr); |
d3c7b7cc | 1376 | encode_lockowner(xdr, lowner); |
d3c7b7cc TM |
1377 | } |
1378 | ||
cf8cdbe5 | 1379 | static void encode_lookup(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1380 | { |
ab19b481 | 1381 | encode_op_hdr(xdr, OP_LOOKUP, decode_lookup_maxsz, hdr); |
6fdfb0bc | 1382 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1383 | } |
1384 | ||
6ae37339 | 1385 | static void encode_share_access(struct xdr_stream *xdr, u32 share_access) |
1da177e4 | 1386 | { |
8687b63a | 1387 | __be32 *p; |
1da177e4 | 1388 | |
13c65ce9 | 1389 | p = reserve_space(xdr, 8); |
6ae37339 | 1390 | *p++ = cpu_to_be32(share_access); |
34558513 | 1391 | *p = cpu_to_be32(0); /* for linux, share_deny = 0 always */ |
1da177e4 LT |
1392 | } |
1393 | ||
1394 | static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1395 | { | |
8687b63a | 1396 | __be32 *p; |
1da177e4 LT |
1397 | /* |
1398 | * opcode 4, seqid 4, share_access 4, share_deny 4, clientid 8, ownerlen 4, | |
1399 | * owner 4 = 32 | |
1400 | */ | |
4ade9821 | 1401 | encode_nfs4_seqid(xdr, arg->seqid); |
6ae37339 | 1402 | encode_share_access(xdr, arg->share_access); |
95b72eb0 | 1403 | p = reserve_space(xdr, 36); |
b95be5a9 | 1404 | p = xdr_encode_hyper(p, arg->clientid); |
95b72eb0 | 1405 | *p++ = cpu_to_be32(24); |
93f0cf25 | 1406 | p = xdr_encode_opaque_fixed(p, "open id:", 8); |
d035c36c | 1407 | *p++ = cpu_to_be32(arg->server->s_dev); |
95b72eb0 TM |
1408 | *p++ = cpu_to_be32(arg->id.uniquifier); |
1409 | xdr_encode_hyper(p, arg->id.create_time); | |
1da177e4 LT |
1410 | } |
1411 | ||
1412 | static inline void encode_createmode(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1413 | { | |
8687b63a | 1414 | __be32 *p; |
1da177e4 | 1415 | |
13c65ce9 | 1416 | p = reserve_space(xdr, 4); |
549b19cc TM |
1417 | switch(arg->createmode) { |
1418 | case NFS4_CREATE_UNCHECKED: | |
34558513 | 1419 | *p = cpu_to_be32(NFS4_CREATE_UNCHECKED); |
dff25ddb AG |
1420 | encode_attrs(xdr, arg->u.attrs, arg->label, arg->server, false, |
1421 | &arg->umask); | |
05d564fe | 1422 | break; |
549b19cc TM |
1423 | case NFS4_CREATE_GUARDED: |
1424 | *p = cpu_to_be32(NFS4_CREATE_GUARDED); | |
dff25ddb AG |
1425 | encode_attrs(xdr, arg->u.attrs, arg->label, arg->server, false, |
1426 | &arg->umask); | |
549b19cc TM |
1427 | break; |
1428 | case NFS4_CREATE_EXCLUSIVE: | |
1429 | *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE); | |
1430 | encode_nfs4_verifier(xdr, &arg->u.verifier); | |
1431 | break; | |
1432 | case NFS4_CREATE_EXCLUSIVE4_1: | |
1433 | *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE4_1); | |
1434 | encode_nfs4_verifier(xdr, &arg->u.verifier); | |
dff25ddb AG |
1435 | encode_attrs(xdr, arg->u.attrs, arg->label, arg->server, true, |
1436 | &arg->umask); | |
1da177e4 LT |
1437 | } |
1438 | } | |
1439 | ||
1440 | static void encode_opentype(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1441 | { | |
8687b63a | 1442 | __be32 *p; |
1da177e4 | 1443 | |
13c65ce9 | 1444 | p = reserve_space(xdr, 4); |
1da177e4 | 1445 | switch (arg->open_flags & O_CREAT) { |
05d564fe | 1446 | case 0: |
34558513 | 1447 | *p = cpu_to_be32(NFS4_OPEN_NOCREATE); |
05d564fe AA |
1448 | break; |
1449 | default: | |
34558513 | 1450 | *p = cpu_to_be32(NFS4_OPEN_CREATE); |
05d564fe | 1451 | encode_createmode(xdr, arg); |
1da177e4 LT |
1452 | } |
1453 | } | |
1454 | ||
bd7bf9d5 | 1455 | static inline void encode_delegation_type(struct xdr_stream *xdr, fmode_t delegation_type) |
1da177e4 | 1456 | { |
8687b63a | 1457 | __be32 *p; |
1da177e4 | 1458 | |
13c65ce9 | 1459 | p = reserve_space(xdr, 4); |
1da177e4 | 1460 | switch (delegation_type) { |
05d564fe | 1461 | case 0: |
34558513 | 1462 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_NONE); |
05d564fe AA |
1463 | break; |
1464 | case FMODE_READ: | |
34558513 | 1465 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_READ); |
05d564fe AA |
1466 | break; |
1467 | case FMODE_WRITE|FMODE_READ: | |
34558513 | 1468 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_WRITE); |
05d564fe AA |
1469 | break; |
1470 | default: | |
1471 | BUG(); | |
1da177e4 LT |
1472 | } |
1473 | } | |
1474 | ||
1475 | static inline void encode_claim_null(struct xdr_stream *xdr, const struct qstr *name) | |
1476 | { | |
8687b63a | 1477 | __be32 *p; |
1da177e4 | 1478 | |
13c65ce9 | 1479 | p = reserve_space(xdr, 4); |
34558513 | 1480 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_NULL); |
1da177e4 LT |
1481 | encode_string(xdr, name->len, name->name); |
1482 | } | |
1483 | ||
bd7bf9d5 | 1484 | static inline void encode_claim_previous(struct xdr_stream *xdr, fmode_t type) |
1da177e4 | 1485 | { |
8687b63a | 1486 | __be32 *p; |
1da177e4 | 1487 | |
13c65ce9 | 1488 | p = reserve_space(xdr, 4); |
34558513 | 1489 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_PREVIOUS); |
1da177e4 LT |
1490 | encode_delegation_type(xdr, type); |
1491 | } | |
1492 | ||
1493 | static inline void encode_claim_delegate_cur(struct xdr_stream *xdr, const struct qstr *name, const nfs4_stateid *stateid) | |
1494 | { | |
8687b63a | 1495 | __be32 *p; |
1da177e4 | 1496 | |
ea9d23f5 TM |
1497 | p = reserve_space(xdr, 4); |
1498 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_DELEGATE_CUR); | |
1499 | encode_nfs4_stateid(xdr, stateid); | |
1da177e4 LT |
1500 | encode_string(xdr, name->len, name->name); |
1501 | } | |
1502 | ||
d9fc6619 TM |
1503 | static inline void encode_claim_fh(struct xdr_stream *xdr) |
1504 | { | |
1505 | __be32 *p; | |
1506 | ||
1507 | p = reserve_space(xdr, 4); | |
1508 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_FH); | |
1509 | } | |
1510 | ||
1511 | static inline void encode_claim_delegate_cur_fh(struct xdr_stream *xdr, const nfs4_stateid *stateid) | |
1512 | { | |
1513 | __be32 *p; | |
1514 | ||
1515 | p = reserve_space(xdr, 4); | |
1516 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_DELEG_CUR_FH); | |
1517 | encode_nfs4_stateid(xdr, stateid); | |
1518 | } | |
1519 | ||
cf8cdbe5 | 1520 | static void encode_open(struct xdr_stream *xdr, const struct nfs_openargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1521 | { |
ab19b481 | 1522 | encode_op_hdr(xdr, OP_OPEN, decode_open_maxsz, hdr); |
1da177e4 LT |
1523 | encode_openhdr(xdr, arg); |
1524 | encode_opentype(xdr, arg); | |
1525 | switch (arg->claim) { | |
05d564fe AA |
1526 | case NFS4_OPEN_CLAIM_NULL: |
1527 | encode_claim_null(xdr, arg->name); | |
1528 | break; | |
1529 | case NFS4_OPEN_CLAIM_PREVIOUS: | |
1530 | encode_claim_previous(xdr, arg->u.delegation_type); | |
1531 | break; | |
1532 | case NFS4_OPEN_CLAIM_DELEGATE_CUR: | |
1533 | encode_claim_delegate_cur(xdr, arg->name, &arg->u.delegation); | |
1534 | break; | |
d9fc6619 TM |
1535 | case NFS4_OPEN_CLAIM_FH: |
1536 | encode_claim_fh(xdr); | |
1537 | break; | |
1538 | case NFS4_OPEN_CLAIM_DELEG_CUR_FH: | |
1539 | encode_claim_delegate_cur_fh(xdr, &arg->u.delegation); | |
1540 | break; | |
05d564fe AA |
1541 | default: |
1542 | BUG(); | |
1da177e4 | 1543 | } |
1da177e4 LT |
1544 | } |
1545 | ||
cf8cdbe5 | 1546 | static void encode_open_confirm(struct xdr_stream *xdr, const struct nfs_open_confirmargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1547 | { |
ab19b481 | 1548 | encode_op_hdr(xdr, OP_OPEN_CONFIRM, decode_open_confirm_maxsz, hdr); |
ea9d23f5 | 1549 | encode_nfs4_stateid(xdr, arg->stateid); |
4ade9821 | 1550 | encode_nfs4_seqid(xdr, arg->seqid); |
1da177e4 LT |
1551 | } |
1552 | ||
cf8cdbe5 | 1553 | static void encode_open_downgrade(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1554 | { |
ab19b481 | 1555 | encode_op_hdr(xdr, OP_OPEN_DOWNGRADE, decode_open_downgrade_maxsz, hdr); |
566fcec6 | 1556 | encode_nfs4_stateid(xdr, &arg->stateid); |
4ade9821 | 1557 | encode_nfs4_seqid(xdr, arg->seqid); |
6ae37339 | 1558 | encode_share_access(xdr, arg->share_access); |
1da177e4 LT |
1559 | } |
1560 | ||
cf8cdbe5 | 1561 | static void |
d017931c | 1562 | encode_putfh(struct xdr_stream *xdr, const struct nfs_fh *fh, struct compound_hdr *hdr) |
1da177e4 | 1563 | { |
ab19b481 | 1564 | encode_op_hdr(xdr, OP_PUTFH, decode_putfh_maxsz, hdr); |
6fdfb0bc | 1565 | encode_string(xdr, fh->size, fh->data); |
1da177e4 LT |
1566 | } |
1567 | ||
cf8cdbe5 | 1568 | static void encode_putrootfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1569 | { |
ab19b481 | 1570 | encode_op_hdr(xdr, OP_PUTROOTFH, decode_putrootfh_maxsz, hdr); |
1da177e4 LT |
1571 | } |
1572 | ||
3c6b899c AS |
1573 | static void encode_read(struct xdr_stream *xdr, const struct nfs_pgio_args *args, |
1574 | struct compound_hdr *hdr) | |
1da177e4 | 1575 | { |
8687b63a | 1576 | __be32 *p; |
1da177e4 | 1577 | |
ab19b481 | 1578 | encode_op_hdr(xdr, OP_READ, decode_read_maxsz, hdr); |
9b206149 | 1579 | encode_nfs4_stateid(xdr, &args->stateid); |
1da177e4 | 1580 | |
13c65ce9 | 1581 | p = reserve_space(xdr, 12); |
b95be5a9 | 1582 | p = xdr_encode_hyper(p, args->offset); |
34558513 | 1583 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1584 | } |
1585 | ||
cf8cdbe5 | 1586 | static void encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg *readdir, struct rpc_rqst *req, struct compound_hdr *hdr) |
1da177e4 | 1587 | { |
aa9c2669 | 1588 | uint32_t attrs[3] = { |
28331a46 TM |
1589 | FATTR4_WORD0_RDATTR_ERROR, |
1590 | FATTR4_WORD1_MOUNTED_ON_FILEID, | |
1591 | }; | |
6f7a35bd | 1592 | uint32_t dircount = readdir->count >> 1; |
cd93710e | 1593 | __be32 *p, verf[2]; |
d204c5d2 TM |
1594 | uint32_t attrlen = 0; |
1595 | unsigned int i; | |
1da177e4 | 1596 | |
82f2e547 BS |
1597 | if (readdir->plus) { |
1598 | attrs[0] |= FATTR4_WORD0_TYPE|FATTR4_WORD0_CHANGE|FATTR4_WORD0_SIZE| | |
28331a46 | 1599 | FATTR4_WORD0_FSID|FATTR4_WORD0_FILEHANDLE|FATTR4_WORD0_FILEID; |
82f2e547 BS |
1600 | attrs[1] |= FATTR4_WORD1_MODE|FATTR4_WORD1_NUMLINKS|FATTR4_WORD1_OWNER| |
1601 | FATTR4_WORD1_OWNER_GROUP|FATTR4_WORD1_RAWDEV| | |
1602 | FATTR4_WORD1_SPACE_USED|FATTR4_WORD1_TIME_ACCESS| | |
1603 | FATTR4_WORD1_TIME_METADATA|FATTR4_WORD1_TIME_MODIFY; | |
d204c5d2 | 1604 | attrs[2] |= FATTR4_WORD2_SECURITY_LABEL; |
6f7a35bd | 1605 | dircount >>= 1; |
82f2e547 | 1606 | } |
28331a46 TM |
1607 | /* Use mounted_on_fileid only if the server supports it */ |
1608 | if (!(readdir->bitmask[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) | |
1609 | attrs[0] |= FATTR4_WORD0_FILEID; | |
d204c5d2 TM |
1610 | for (i = 0; i < ARRAY_SIZE(attrs); i++) { |
1611 | attrs[i] &= readdir->bitmask[i]; | |
1612 | if (attrs[i] != 0) | |
1613 | attrlen = i+1; | |
1614 | } | |
82f2e547 | 1615 | |
475d4ba0 | 1616 | encode_op_hdr(xdr, OP_READDIR, decode_readdir_maxsz, hdr); |
ff2eb681 | 1617 | encode_uint64(xdr, readdir->cookie); |
cd93710e | 1618 | encode_nfs4_verifier(xdr, &readdir->verifier); |
d204c5d2 | 1619 | p = reserve_space(xdr, 12 + (attrlen << 2)); |
6f7a35bd | 1620 | *p++ = cpu_to_be32(dircount); |
e75bc1c8 | 1621 | *p++ = cpu_to_be32(readdir->count); |
d204c5d2 TM |
1622 | *p++ = cpu_to_be32(attrlen); |
1623 | for (i = 0; i < attrlen; i++) | |
1624 | *p++ = cpu_to_be32(attrs[i]); | |
cd93710e | 1625 | memcpy(verf, readdir->verifier.data, sizeof(verf)); |
aa9c2669 DQ |
1626 | |
1627 | dprintk("%s: cookie = %llu, verifier = %08x:%08x, bitmap = %08x:%08x:%08x\n", | |
44109241 | 1628 | __func__, |
eadf4598 | 1629 | (unsigned long long)readdir->cookie, |
cd93710e | 1630 | verf[0], verf[1], |
eadf4598 | 1631 | attrs[0] & readdir->bitmask[0], |
aa9c2669 DQ |
1632 | attrs[1] & readdir->bitmask[1], |
1633 | attrs[2] & readdir->bitmask[2]); | |
1da177e4 LT |
1634 | } |
1635 | ||
cf8cdbe5 | 1636 | static void encode_readlink(struct xdr_stream *xdr, const struct nfs4_readlink *readlink, struct rpc_rqst *req, struct compound_hdr *hdr) |
1da177e4 | 1637 | { |
ab19b481 | 1638 | encode_op_hdr(xdr, OP_READLINK, decode_readlink_maxsz, hdr); |
1da177e4 LT |
1639 | } |
1640 | ||
cf8cdbe5 | 1641 | static void encode_remove(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1642 | { |
ab19b481 | 1643 | encode_op_hdr(xdr, OP_REMOVE, decode_remove_maxsz, hdr); |
6fdfb0bc | 1644 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1645 | } |
1646 | ||
cf8cdbe5 | 1647 | static void encode_rename(struct xdr_stream *xdr, const struct qstr *oldname, const struct qstr *newname, struct compound_hdr *hdr) |
1da177e4 | 1648 | { |
ab19b481 | 1649 | encode_op_hdr(xdr, OP_RENAME, decode_rename_maxsz, hdr); |
811652bd BH |
1650 | encode_string(xdr, oldname->len, oldname->name); |
1651 | encode_string(xdr, newname->len, newname->name); | |
1da177e4 LT |
1652 | } |
1653 | ||
bb4dae5e CL |
1654 | static void encode_renew(struct xdr_stream *xdr, clientid4 clid, |
1655 | struct compound_hdr *hdr) | |
1da177e4 | 1656 | { |
475d4ba0 | 1657 | encode_op_hdr(xdr, OP_RENEW, decode_renew_maxsz, hdr); |
ff2eb681 | 1658 | encode_uint64(xdr, clid); |
1da177e4 LT |
1659 | } |
1660 | ||
cf8cdbe5 | 1661 | static void |
d017931c | 1662 | encode_restorefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
56ae19f3 | 1663 | { |
ab19b481 | 1664 | encode_op_hdr(xdr, OP_RESTOREFH, decode_restorefh_maxsz, hdr); |
56ae19f3 TM |
1665 | } |
1666 | ||
9f06c719 | 1667 | static void |
d017931c | 1668 | encode_setacl(struct xdr_stream *xdr, struct nfs_setaclargs *arg, struct compound_hdr *hdr) |
23ec6965 | 1669 | { |
8687b63a | 1670 | __be32 *p; |
23ec6965 | 1671 | |
ab19b481 | 1672 | encode_op_hdr(xdr, OP_SETATTR, decode_setacl_maxsz, hdr); |
ea9d23f5 | 1673 | encode_nfs4_stateid(xdr, &zero_stateid); |
13c65ce9 | 1674 | p = reserve_space(xdr, 2*4); |
e75bc1c8 | 1675 | *p++ = cpu_to_be32(1); |
34558513 | 1676 | *p = cpu_to_be32(FATTR4_WORD0_ACL); |
13c65ce9 | 1677 | p = reserve_space(xdr, 4); |
34558513 | 1678 | *p = cpu_to_be32(arg->acl_len); |
8fbcf237 | 1679 | xdr_write_pages(xdr, arg->acl_pages, 0, arg->acl_len); |
23ec6965 BF |
1680 | } |
1681 | ||
cf8cdbe5 | 1682 | static void |
d017931c | 1683 | encode_savefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1684 | { |
ab19b481 | 1685 | encode_op_hdr(xdr, OP_SAVEFH, decode_savefh_maxsz, hdr); |
1da177e4 LT |
1686 | } |
1687 | ||
cf8cdbe5 | 1688 | static void encode_setattr(struct xdr_stream *xdr, const struct nfs_setattrargs *arg, const struct nfs_server *server, struct compound_hdr *hdr) |
1da177e4 | 1689 | { |
ab19b481 | 1690 | encode_op_hdr(xdr, OP_SETATTR, decode_setattr_maxsz, hdr); |
ea9d23f5 | 1691 | encode_nfs4_stateid(xdr, &arg->stateid); |
dff25ddb | 1692 | encode_attrs(xdr, arg->iap, arg->label, server, false, NULL); |
1da177e4 LT |
1693 | } |
1694 | ||
cf8cdbe5 | 1695 | static void encode_setclientid(struct xdr_stream *xdr, const struct nfs4_setclientid *setclientid, struct compound_hdr *hdr) |
1da177e4 | 1696 | { |
8687b63a | 1697 | __be32 *p; |
1da177e4 | 1698 | |
70019514 | 1699 | encode_op_hdr(xdr, OP_SETCLIENTID, decode_setclientid_maxsz, hdr); |
cd93710e | 1700 | encode_nfs4_verifier(xdr, setclientid->sc_verifier); |
1da177e4 | 1701 | |
3a6bb738 JL |
1702 | encode_string(xdr, strlen(setclientid->sc_clnt->cl_owner_id), |
1703 | setclientid->sc_clnt->cl_owner_id); | |
13c65ce9 | 1704 | p = reserve_space(xdr, 4); |
34558513 | 1705 | *p = cpu_to_be32(setclientid->sc_prog); |
1da177e4 LT |
1706 | encode_string(xdr, setclientid->sc_netid_len, setclientid->sc_netid); |
1707 | encode_string(xdr, setclientid->sc_uaddr_len, setclientid->sc_uaddr); | |
13c65ce9 | 1708 | p = reserve_space(xdr, 4); |
3a6bb738 | 1709 | *p = cpu_to_be32(setclientid->sc_clnt->cl_cb_ident); |
1da177e4 LT |
1710 | } |
1711 | ||
bb8b27e5 | 1712 | static void encode_setclientid_confirm(struct xdr_stream *xdr, const struct nfs4_setclientid_res *arg, struct compound_hdr *hdr) |
1da177e4 | 1713 | { |
475d4ba0 TM |
1714 | encode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM, |
1715 | decode_setclientid_confirm_maxsz, hdr); | |
ff2eb681 | 1716 | encode_uint64(xdr, arg->clientid); |
cd93710e | 1717 | encode_nfs4_verifier(xdr, &arg->confirm); |
1da177e4 LT |
1718 | } |
1719 | ||
3c6b899c AS |
1720 | static void encode_write(struct xdr_stream *xdr, const struct nfs_pgio_args *args, |
1721 | struct compound_hdr *hdr) | |
1da177e4 | 1722 | { |
8687b63a | 1723 | __be32 *p; |
1da177e4 | 1724 | |
ab19b481 | 1725 | encode_op_hdr(xdr, OP_WRITE, decode_write_maxsz, hdr); |
9b206149 | 1726 | encode_nfs4_stateid(xdr, &args->stateid); |
1da177e4 | 1727 | |
13c65ce9 | 1728 | p = reserve_space(xdr, 16); |
b95be5a9 | 1729 | p = xdr_encode_hyper(p, args->offset); |
e75bc1c8 | 1730 | *p++ = cpu_to_be32(args->stable); |
34558513 | 1731 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1732 | |
1733 | xdr_write_pages(xdr, args->pages, args->pgbase, args->count); | |
1da177e4 LT |
1734 | } |
1735 | ||
cf8cdbe5 | 1736 | static void encode_delegreturn(struct xdr_stream *xdr, const nfs4_stateid *stateid, struct compound_hdr *hdr) |
1da177e4 | 1737 | { |
ab19b481 | 1738 | encode_op_hdr(xdr, OP_DELEGRETURN, decode_delegreturn_maxsz, hdr); |
ea9d23f5 | 1739 | encode_nfs4_stateid(xdr, stateid); |
1da177e4 | 1740 | } |
9b7b9fcc | 1741 | |
5a5ea0d4 BS |
1742 | static void encode_secinfo(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1743 | { | |
ab19b481 | 1744 | encode_op_hdr(xdr, OP_SECINFO, decode_secinfo_maxsz, hdr); |
6fdfb0bc | 1745 | encode_string(xdr, name->len, name->name); |
5a5ea0d4 BS |
1746 | } |
1747 | ||
99fe60d0 | 1748 | #if defined(CONFIG_NFS_V4_1) |
9b7b9fcc | 1749 | /* NFSv4.1 operations */ |
7c44f1ae | 1750 | static void encode_bind_conn_to_session(struct xdr_stream *xdr, |
71a097c6 | 1751 | struct nfs41_bind_conn_to_session_args *args, |
7c44f1ae WAA |
1752 | struct compound_hdr *hdr) |
1753 | { | |
1754 | __be32 *p; | |
1755 | ||
1756 | encode_op_hdr(xdr, OP_BIND_CONN_TO_SESSION, | |
1757 | decode_bind_conn_to_session_maxsz, hdr); | |
71a097c6 | 1758 | encode_opaque_fixed(xdr, args->sessionid.data, NFS4_MAX_SESSIONID_LEN); |
7c44f1ae | 1759 | p = xdr_reserve_space(xdr, 8); |
71a097c6 TM |
1760 | *p++ = cpu_to_be32(args->dir); |
1761 | *p = (args->use_conn_in_rdma_mode) ? cpu_to_be32(1) : cpu_to_be32(0); | |
7c44f1ae WAA |
1762 | } |
1763 | ||
2031cd1a WAA |
1764 | static void encode_op_map(struct xdr_stream *xdr, struct nfs4_op_map *op_map) |
1765 | { | |
1766 | unsigned int i; | |
1767 | encode_uint32(xdr, NFS4_OP_MAP_NUM_WORDS); | |
1768 | for (i = 0; i < NFS4_OP_MAP_NUM_WORDS; i++) | |
1769 | encode_uint32(xdr, op_map->u.words[i]); | |
1770 | } | |
1771 | ||
99fe60d0 BH |
1772 | static void encode_exchange_id(struct xdr_stream *xdr, |
1773 | struct nfs41_exchange_id_args *args, | |
1774 | struct compound_hdr *hdr) | |
1775 | { | |
1776 | __be32 *p; | |
d751f748 | 1777 | char impl_name[IMPL_NAME_LIMIT]; |
db8ac8ba | 1778 | int len = 0; |
99fe60d0 | 1779 | |
70019514 | 1780 | encode_op_hdr(xdr, OP_EXCHANGE_ID, decode_exchange_id_maxsz, hdr); |
cd93710e | 1781 | encode_nfs4_verifier(xdr, args->verifier); |
99fe60d0 | 1782 | |
3a6bb738 JL |
1783 | encode_string(xdr, strlen(args->client->cl_owner_id), |
1784 | args->client->cl_owner_id); | |
99fe60d0 | 1785 | |
2031cd1a WAA |
1786 | encode_uint32(xdr, args->flags); |
1787 | encode_uint32(xdr, args->state_protect.how); | |
1788 | ||
1789 | switch (args->state_protect.how) { | |
1790 | case SP4_NONE: | |
1791 | break; | |
1792 | case SP4_MACH_CRED: | |
1793 | encode_op_map(xdr, &args->state_protect.enforce); | |
1794 | encode_op_map(xdr, &args->state_protect.allow); | |
1795 | break; | |
1796 | default: | |
1797 | WARN_ON_ONCE(1); | |
1798 | break; | |
1799 | } | |
db8ac8ba WAA |
1800 | |
1801 | if (send_implementation_id && | |
1802 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) > 1 && | |
1803 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) | |
d751f748 | 1804 | <= sizeof(impl_name) + 1) |
db8ac8ba WAA |
1805 | len = snprintf(impl_name, sizeof(impl_name), "%s %s %s %s", |
1806 | utsname()->sysname, utsname()->release, | |
1807 | utsname()->version, utsname()->machine); | |
1808 | ||
1809 | if (len > 0) { | |
2031cd1a | 1810 | encode_uint32(xdr, 1); /* implementation id array length=1 */ |
db8ac8ba WAA |
1811 | |
1812 | encode_string(xdr, | |
1813 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) - 1, | |
1814 | CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN); | |
1815 | encode_string(xdr, len, impl_name); | |
1816 | /* just send zeros for nii_date - the date is in nii_name */ | |
1817 | p = reserve_space(xdr, 12); | |
1818 | p = xdr_encode_hyper(p, 0); | |
1819 | *p = cpu_to_be32(0); | |
1820 | } else | |
2031cd1a | 1821 | encode_uint32(xdr, 0); /* implementation id array length=0 */ |
99fe60d0 | 1822 | } |
fc931582 AA |
1823 | |
1824 | static void encode_create_session(struct xdr_stream *xdr, | |
1825 | struct nfs41_create_session_args *args, | |
1826 | struct compound_hdr *hdr) | |
1827 | { | |
1828 | __be32 *p; | |
fc931582 | 1829 | struct nfs_client *clp = args->client; |
89f0ff38 | 1830 | struct rpc_clnt *clnt = clp->cl_rpcclient; |
f092075d | 1831 | struct nfs_net *nn = net_generic(clp->cl_net, nfs_net_id); |
8e0d46e1 MS |
1832 | u32 max_resp_sz_cached; |
1833 | ||
1834 | /* | |
1835 | * Assumes OPEN is the biggest non-idempotent compound. | |
1836 | * 2 is the verifier. | |
1837 | */ | |
1838 | max_resp_sz_cached = (NFS4_dec_open_sz + RPC_REPHDRSIZE + | |
1839 | RPC_MAX_AUTH_SIZE + 2) * XDR_UNIT; | |
fc931582 | 1840 | |
475d4ba0 | 1841 | encode_op_hdr(xdr, OP_CREATE_SESSION, decode_create_session_maxsz, hdr); |
89f0ff38 | 1842 | p = reserve_space(xdr, 16 + 2*28 + 20 + clnt->cl_nodelen + 12); |
79969dd1 TM |
1843 | p = xdr_encode_hyper(p, args->clientid); |
1844 | *p++ = cpu_to_be32(args->seqid); /*Sequence id */ | |
e75bc1c8 | 1845 | *p++ = cpu_to_be32(args->flags); /*flags */ |
fc931582 | 1846 | |
fc931582 | 1847 | /* Fore Channel */ |
c9c30dd5 | 1848 | *p++ = cpu_to_be32(0); /* header padding size */ |
e75bc1c8 BH |
1849 | *p++ = cpu_to_be32(args->fc_attrs.max_rqst_sz); /* max req size */ |
1850 | *p++ = cpu_to_be32(args->fc_attrs.max_resp_sz); /* max resp size */ | |
8e0d46e1 | 1851 | *p++ = cpu_to_be32(max_resp_sz_cached); /* Max resp sz cached */ |
e75bc1c8 BH |
1852 | *p++ = cpu_to_be32(args->fc_attrs.max_ops); /* max operations */ |
1853 | *p++ = cpu_to_be32(args->fc_attrs.max_reqs); /* max requests */ | |
1854 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ | |
fc931582 AA |
1855 | |
1856 | /* Back Channel */ | |
c9c30dd5 | 1857 | *p++ = cpu_to_be32(0); /* header padding size */ |
e75bc1c8 BH |
1858 | *p++ = cpu_to_be32(args->bc_attrs.max_rqst_sz); /* max req size */ |
1859 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz); /* max resp size */ | |
1860 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz_cached); /* Max resp sz cached */ | |
1861 | *p++ = cpu_to_be32(args->bc_attrs.max_ops); /* max operations */ | |
1862 | *p++ = cpu_to_be32(args->bc_attrs.max_reqs); /* max requests */ | |
1863 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ | |
fc931582 | 1864 | |
e75bc1c8 | 1865 | *p++ = cpu_to_be32(args->cb_program); /* cb_program */ |
e75bc1c8 | 1866 | *p++ = cpu_to_be32(1); |
e75bc1c8 | 1867 | *p++ = cpu_to_be32(RPC_AUTH_UNIX); /* auth_sys */ |
fc931582 AA |
1868 | |
1869 | /* authsys_parms rfc1831 */ | |
2f86e091 | 1870 | *p++ = cpu_to_be32(ktime_to_ns(nn->boot_time)); /* stamp */ |
89f0ff38 | 1871 | p = xdr_encode_array(p, clnt->cl_nodename, clnt->cl_nodelen); |
e75bc1c8 BH |
1872 | *p++ = cpu_to_be32(0); /* UID */ |
1873 | *p++ = cpu_to_be32(0); /* GID */ | |
34558513 | 1874 | *p = cpu_to_be32(0); /* No more gids */ |
fc931582 | 1875 | } |
0f3e66c6 AA |
1876 | |
1877 | static void encode_destroy_session(struct xdr_stream *xdr, | |
1878 | struct nfs4_session *session, | |
1879 | struct compound_hdr *hdr) | |
1880 | { | |
475d4ba0 TM |
1881 | encode_op_hdr(xdr, OP_DESTROY_SESSION, decode_destroy_session_maxsz, hdr); |
1882 | encode_opaque_fixed(xdr, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); | |
0f3e66c6 | 1883 | } |
18019753 | 1884 | |
66245539 TM |
1885 | static void encode_destroy_clientid(struct xdr_stream *xdr, |
1886 | uint64_t clientid, | |
1887 | struct compound_hdr *hdr) | |
1888 | { | |
1889 | encode_op_hdr(xdr, OP_DESTROY_CLIENTID, decode_destroy_clientid_maxsz, hdr); | |
1890 | encode_uint64(xdr, clientid); | |
1891 | } | |
1892 | ||
18019753 RL |
1893 | static void encode_reclaim_complete(struct xdr_stream *xdr, |
1894 | struct nfs41_reclaim_complete_args *args, | |
1895 | struct compound_hdr *hdr) | |
1896 | { | |
475d4ba0 TM |
1897 | encode_op_hdr(xdr, OP_RECLAIM_COMPLETE, decode_reclaim_complete_maxsz, hdr); |
1898 | encode_uint32(xdr, args->one_fs); | |
18019753 | 1899 | } |
99fe60d0 BH |
1900 | #endif /* CONFIG_NFS_V4_1 */ |
1901 | ||
9b7b9fcc AA |
1902 | static void encode_sequence(struct xdr_stream *xdr, |
1903 | const struct nfs4_sequence_args *args, | |
1904 | struct compound_hdr *hdr) | |
1905 | { | |
1906 | #if defined(CONFIG_NFS_V4_1) | |
2b2fa717 | 1907 | struct nfs4_session *session; |
fc01cea9 | 1908 | struct nfs4_slot_table *tp; |
2b2fa717 | 1909 | struct nfs4_slot *slot = args->sa_slot; |
fc01cea9 | 1910 | __be32 *p; |
9b7b9fcc | 1911 | |
2b2fa717 TM |
1912 | tp = slot->table; |
1913 | session = tp->session; | |
3bd2384a CL |
1914 | if (!session) |
1915 | return; | |
fc01cea9 | 1916 | |
475d4ba0 | 1917 | encode_op_hdr(xdr, OP_SEQUENCE, decode_sequence_maxsz, hdr); |
fc01cea9 AA |
1918 | |
1919 | /* | |
1920 | * Sessionid + seqid + slotid + max slotid + cache_this | |
1921 | */ | |
1922 | dprintk("%s: sessionid=%u:%u:%u:%u seqid=%d slotid=%d " | |
1923 | "max_slotid=%d cache_this=%d\n", | |
1924 | __func__, | |
1925 | ((u32 *)session->sess_id.data)[0], | |
1926 | ((u32 *)session->sess_id.data)[1], | |
1927 | ((u32 *)session->sess_id.data)[2], | |
1928 | ((u32 *)session->sess_id.data)[3], | |
2b2fa717 | 1929 | slot->seq_nr, slot->slot_nr, |
fc01cea9 | 1930 | tp->highest_used_slotid, args->sa_cache_this); |
475d4ba0 | 1931 | p = reserve_space(xdr, NFS4_MAX_SESSIONID_LEN + 16); |
93f0cf25 | 1932 | p = xdr_encode_opaque_fixed(p, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); |
e75bc1c8 | 1933 | *p++ = cpu_to_be32(slot->seq_nr); |
2b2fa717 | 1934 | *p++ = cpu_to_be32(slot->slot_nr); |
e75bc1c8 | 1935 | *p++ = cpu_to_be32(tp->highest_used_slotid); |
34558513 | 1936 | *p = cpu_to_be32(args->sa_cache_this); |
9b7b9fcc AA |
1937 | #endif /* CONFIG_NFS_V4_1 */ |
1938 | } | |
1939 | ||
b1f69b75 AA |
1940 | #ifdef CONFIG_NFS_V4_1 |
1941 | static void | |
1942 | encode_getdeviceinfo(struct xdr_stream *xdr, | |
1943 | const struct nfs4_getdeviceinfo_args *args, | |
1944 | struct compound_hdr *hdr) | |
1945 | { | |
1946 | __be32 *p; | |
1947 | ||
475d4ba0 | 1948 | encode_op_hdr(xdr, OP_GETDEVICEINFO, decode_getdeviceinfo_maxsz, hdr); |
84c9dee3 | 1949 | p = reserve_space(xdr, NFS4_DEVICEID4_SIZE + 4 + 4); |
b1f69b75 AA |
1950 | p = xdr_encode_opaque_fixed(p, args->pdev->dev_id.data, |
1951 | NFS4_DEVICEID4_SIZE); | |
1952 | *p++ = cpu_to_be32(args->pdev->layout_type); | |
f1c097be | 1953 | *p++ = cpu_to_be32(args->pdev->maxcount); /* gdia_maxcount */ |
84c9dee3 CH |
1954 | |
1955 | p = reserve_space(xdr, 4 + 4); | |
1956 | *p++ = cpu_to_be32(1); /* bitmap length */ | |
4e590803 | 1957 | *p++ = cpu_to_be32(args->notify_types); |
b1f69b75 AA |
1958 | } |
1959 | ||
1960 | static void | |
1961 | encode_layoutget(struct xdr_stream *xdr, | |
1962 | const struct nfs4_layoutget_args *args, | |
1963 | struct compound_hdr *hdr) | |
1964 | { | |
b1f69b75 AA |
1965 | __be32 *p; |
1966 | ||
475d4ba0 TM |
1967 | encode_op_hdr(xdr, OP_LAYOUTGET, decode_layoutget_maxsz, hdr); |
1968 | p = reserve_space(xdr, 36); | |
b1f69b75 AA |
1969 | *p++ = cpu_to_be32(0); /* Signal layout available */ |
1970 | *p++ = cpu_to_be32(args->type); | |
1971 | *p++ = cpu_to_be32(args->range.iomode); | |
1972 | p = xdr_encode_hyper(p, args->range.offset); | |
1973 | p = xdr_encode_hyper(p, args->range.length); | |
1974 | p = xdr_encode_hyper(p, args->minlength); | |
ea9d23f5 | 1975 | encode_nfs4_stateid(xdr, &args->stateid); |
475d4ba0 | 1976 | encode_uint32(xdr, args->maxcount); |
b1f69b75 AA |
1977 | |
1978 | dprintk("%s: 1st type:0x%x iomode:%d off:%lu len:%lu mc:%d\n", | |
1979 | __func__, | |
1980 | args->type, | |
1981 | args->range.iomode, | |
1982 | (unsigned long)args->range.offset, | |
1983 | (unsigned long)args->range.length, | |
1984 | args->maxcount); | |
b1f69b75 | 1985 | } |
863a3c6c AA |
1986 | |
1987 | static int | |
1988 | encode_layoutcommit(struct xdr_stream *xdr, | |
ac7db726 | 1989 | struct inode *inode, |
5f919c9f | 1990 | struct nfs4_layoutcommit_args *args, |
863a3c6c AA |
1991 | struct compound_hdr *hdr) |
1992 | { | |
1993 | __be32 *p; | |
1994 | ||
1995 | dprintk("%s: lbw: %llu type: %d\n", __func__, args->lastbytewritten, | |
1996 | NFS_SERVER(args->inode)->pnfs_curr_ld->id); | |
1997 | ||
475d4ba0 TM |
1998 | encode_op_hdr(xdr, OP_LAYOUTCOMMIT, decode_layoutcommit_maxsz, hdr); |
1999 | p = reserve_space(xdr, 20); | |
863a3c6c AA |
2000 | /* Only whole file layouts */ |
2001 | p = xdr_encode_hyper(p, 0); /* offset */ | |
3557c6c3 | 2002 | p = xdr_encode_hyper(p, args->lastbytewritten + 1); /* length */ |
ea9d23f5 TM |
2003 | *p = cpu_to_be32(0); /* reclaim */ |
2004 | encode_nfs4_stateid(xdr, &args->stateid); | |
2e18d4d8 TM |
2005 | if (args->lastbytewritten != U64_MAX) { |
2006 | p = reserve_space(xdr, 20); | |
2007 | *p++ = cpu_to_be32(1); /* newoffset = TRUE */ | |
2008 | p = xdr_encode_hyper(p, args->lastbytewritten); | |
2009 | } else { | |
2010 | p = reserve_space(xdr, 12); | |
2011 | *p++ = cpu_to_be32(0); /* newoffset = FALSE */ | |
2012 | } | |
863a3c6c AA |
2013 | *p++ = cpu_to_be32(0); /* Never send time_modify_changed */ |
2014 | *p++ = cpu_to_be32(NFS_SERVER(args->inode)->pnfs_curr_ld->id);/* type */ | |
ac7db726 | 2015 | |
5f919c9f | 2016 | if (NFS_SERVER(inode)->pnfs_curr_ld->encode_layoutcommit) { |
ac7db726 BH |
2017 | NFS_SERVER(inode)->pnfs_curr_ld->encode_layoutcommit( |
2018 | NFS_I(inode)->layout, xdr, args); | |
5f919c9f CH |
2019 | } else { |
2020 | encode_uint32(xdr, args->layoutupdate_len); | |
2021 | if (args->layoutupdate_pages) { | |
2022 | xdr_write_pages(xdr, args->layoutupdate_pages, 0, | |
2023 | args->layoutupdate_len); | |
2024 | } | |
2025 | } | |
863a3c6c | 2026 | |
863a3c6c AA |
2027 | return 0; |
2028 | } | |
cbe82603 BH |
2029 | |
2030 | static void | |
2031 | encode_layoutreturn(struct xdr_stream *xdr, | |
2032 | const struct nfs4_layoutreturn_args *args, | |
2033 | struct compound_hdr *hdr) | |
2034 | { | |
94e5c571 | 2035 | const struct pnfs_layoutdriver_type *lr_ops = NFS_SERVER(args->inode)->pnfs_curr_ld; |
cbe82603 BH |
2036 | __be32 *p; |
2037 | ||
475d4ba0 TM |
2038 | encode_op_hdr(xdr, OP_LAYOUTRETURN, decode_layoutreturn_maxsz, hdr); |
2039 | p = reserve_space(xdr, 16); | |
cbe82603 BH |
2040 | *p++ = cpu_to_be32(0); /* reclaim. always 0 for now */ |
2041 | *p++ = cpu_to_be32(args->layout_type); | |
15eb67c1 | 2042 | *p++ = cpu_to_be32(args->range.iomode); |
cbe82603 | 2043 | *p = cpu_to_be32(RETURN_FILE); |
ea9d23f5 | 2044 | p = reserve_space(xdr, 16); |
15eb67c1 PT |
2045 | p = xdr_encode_hyper(p, args->range.offset); |
2046 | p = xdr_encode_hyper(p, args->range.length); | |
cbe82603 | 2047 | spin_lock(&args->inode->i_lock); |
ea9d23f5 | 2048 | encode_nfs4_stateid(xdr, &args->stateid); |
cbe82603 | 2049 | spin_unlock(&args->inode->i_lock); |
4d796d75 TM |
2050 | if (args->ld_private->ops && args->ld_private->ops->encode) |
2051 | args->ld_private->ops->encode(xdr, args, args->ld_private); | |
2052 | else if (lr_ops->encode_layoutreturn) | |
94e5c571 TM |
2053 | lr_ops->encode_layoutreturn(xdr, args); |
2054 | else | |
475d4ba0 | 2055 | encode_uint32(xdr, 0); |
cbe82603 | 2056 | } |
fca78d6d BS |
2057 | |
2058 | static int | |
2059 | encode_secinfo_no_name(struct xdr_stream *xdr, | |
2060 | const struct nfs41_secinfo_no_name_args *args, | |
2061 | struct compound_hdr *hdr) | |
2062 | { | |
475d4ba0 TM |
2063 | encode_op_hdr(xdr, OP_SECINFO_NO_NAME, decode_secinfo_no_name_maxsz, hdr); |
2064 | encode_uint32(xdr, args->style); | |
fca78d6d BS |
2065 | return 0; |
2066 | } | |
7d974794 BS |
2067 | |
2068 | static void encode_test_stateid(struct xdr_stream *xdr, | |
2069 | struct nfs41_test_stateid_args *args, | |
2070 | struct compound_hdr *hdr) | |
2071 | { | |
475d4ba0 TM |
2072 | encode_op_hdr(xdr, OP_TEST_STATEID, decode_test_stateid_maxsz, hdr); |
2073 | encode_uint32(xdr, 1); | |
ea9d23f5 | 2074 | encode_nfs4_stateid(xdr, args->stateid); |
7d974794 | 2075 | } |
9aeda35f BS |
2076 | |
2077 | static void encode_free_stateid(struct xdr_stream *xdr, | |
2078 | struct nfs41_free_stateid_args *args, | |
2079 | struct compound_hdr *hdr) | |
2080 | { | |
ab19b481 | 2081 | encode_op_hdr(xdr, OP_FREE_STATEID, decode_free_stateid_maxsz, hdr); |
7c1d5fae | 2082 | encode_nfs4_stateid(xdr, &args->stateid); |
9aeda35f | 2083 | } |
cf805165 TM |
2084 | #else |
2085 | static inline void | |
2086 | encode_layoutreturn(struct xdr_stream *xdr, | |
2087 | const struct nfs4_layoutreturn_args *args, | |
2088 | struct compound_hdr *hdr) | |
2089 | { | |
2090 | } | |
b1f69b75 AA |
2091 | #endif /* CONFIG_NFS_V4_1 */ |
2092 | ||
1da177e4 LT |
2093 | /* |
2094 | * END OF "GENERIC" ENCODE ROUTINES. | |
2095 | */ | |
2096 | ||
66cc0429 BH |
2097 | static u32 nfs4_xdr_minorversion(const struct nfs4_sequence_args *args) |
2098 | { | |
2099 | #if defined(CONFIG_NFS_V4_1) | |
3bd2384a CL |
2100 | struct nfs4_session *session = args->sa_slot->table->session; |
2101 | if (session) | |
2102 | return session->clp->cl_mvops->minor_version; | |
66cc0429 BH |
2103 | #endif /* CONFIG_NFS_V4_1 */ |
2104 | return 0; | |
2105 | } | |
2106 | ||
1da177e4 LT |
2107 | /* |
2108 | * Encode an ACCESS request | |
2109 | */ | |
9f06c719 CL |
2110 | static void nfs4_xdr_enc_access(struct rpc_rqst *req, struct xdr_stream *xdr, |
2111 | const struct nfs4_accessargs *args) | |
1da177e4 | 2112 | { |
1da177e4 | 2113 | struct compound_hdr hdr = { |
66cc0429 | 2114 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2115 | }; |
1da177e4 | 2116 | |
9f06c719 CL |
2117 | encode_compound_hdr(xdr, req, &hdr); |
2118 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2119 | encode_putfh(xdr, args->fh, &hdr); | |
2120 | encode_access(xdr, args->access, &hdr); | |
2121 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2122 | encode_nops(&hdr); |
1da177e4 LT |
2123 | } |
2124 | ||
2125 | /* | |
2126 | * Encode LOOKUP request | |
2127 | */ | |
9f06c719 CL |
2128 | static void nfs4_xdr_enc_lookup(struct rpc_rqst *req, struct xdr_stream *xdr, |
2129 | const struct nfs4_lookup_arg *args) | |
1da177e4 | 2130 | { |
1da177e4 | 2131 | struct compound_hdr hdr = { |
66cc0429 | 2132 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2133 | }; |
1da177e4 | 2134 | |
9f06c719 CL |
2135 | encode_compound_hdr(xdr, req, &hdr); |
2136 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2137 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2138 | encode_lookup(xdr, args->name, &hdr); | |
2139 | encode_getfh(xdr, &hdr); | |
2140 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2141 | encode_nops(&hdr); |
1da177e4 LT |
2142 | } |
2143 | ||
2144 | /* | |
2145 | * Encode LOOKUP_ROOT request | |
2146 | */ | |
9f06c719 CL |
2147 | static void nfs4_xdr_enc_lookup_root(struct rpc_rqst *req, |
2148 | struct xdr_stream *xdr, | |
2149 | const struct nfs4_lookup_root_arg *args) | |
1da177e4 | 2150 | { |
1da177e4 | 2151 | struct compound_hdr hdr = { |
66cc0429 | 2152 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2153 | }; |
1da177e4 | 2154 | |
9f06c719 CL |
2155 | encode_compound_hdr(xdr, req, &hdr); |
2156 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2157 | encode_putrootfh(xdr, &hdr); | |
2158 | encode_getfh(xdr, &hdr); | |
2159 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2160 | encode_nops(&hdr); |
1da177e4 LT |
2161 | } |
2162 | ||
2163 | /* | |
2164 | * Encode REMOVE request | |
2165 | */ | |
9f06c719 CL |
2166 | static void nfs4_xdr_enc_remove(struct rpc_rqst *req, struct xdr_stream *xdr, |
2167 | const struct nfs_removeargs *args) | |
1da177e4 | 2168 | { |
1da177e4 | 2169 | struct compound_hdr hdr = { |
66cc0429 | 2170 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2171 | }; |
1da177e4 | 2172 | |
9f06c719 CL |
2173 | encode_compound_hdr(xdr, req, &hdr); |
2174 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2175 | encode_putfh(xdr, args->fh, &hdr); | |
2176 | encode_remove(xdr, &args->name, &hdr); | |
d017931c | 2177 | encode_nops(&hdr); |
1da177e4 LT |
2178 | } |
2179 | ||
2180 | /* | |
2181 | * Encode RENAME request | |
2182 | */ | |
9f06c719 CL |
2183 | static void nfs4_xdr_enc_rename(struct rpc_rqst *req, struct xdr_stream *xdr, |
2184 | const struct nfs_renameargs *args) | |
1da177e4 | 2185 | { |
1da177e4 | 2186 | struct compound_hdr hdr = { |
66cc0429 | 2187 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2188 | }; |
1da177e4 | 2189 | |
9f06c719 CL |
2190 | encode_compound_hdr(xdr, req, &hdr); |
2191 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2192 | encode_putfh(xdr, args->old_dir, &hdr); | |
2193 | encode_savefh(xdr, &hdr); | |
2194 | encode_putfh(xdr, args->new_dir, &hdr); | |
2195 | encode_rename(xdr, args->old_name, args->new_name, &hdr); | |
d017931c | 2196 | encode_nops(&hdr); |
1da177e4 LT |
2197 | } |
2198 | ||
2199 | /* | |
2200 | * Encode LINK request | |
2201 | */ | |
9f06c719 CL |
2202 | static void nfs4_xdr_enc_link(struct rpc_rqst *req, struct xdr_stream *xdr, |
2203 | const struct nfs4_link_arg *args) | |
1da177e4 | 2204 | { |
1da177e4 | 2205 | struct compound_hdr hdr = { |
66cc0429 | 2206 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2207 | }; |
1da177e4 | 2208 | |
9f06c719 CL |
2209 | encode_compound_hdr(xdr, req, &hdr); |
2210 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2211 | encode_putfh(xdr, args->fh, &hdr); | |
2212 | encode_savefh(xdr, &hdr); | |
2213 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2214 | encode_link(xdr, args->name, &hdr); | |
9f06c719 CL |
2215 | encode_restorefh(xdr, &hdr); |
2216 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2217 | encode_nops(&hdr); |
1da177e4 LT |
2218 | } |
2219 | ||
2220 | /* | |
2221 | * Encode CREATE request | |
2222 | */ | |
9f06c719 CL |
2223 | static void nfs4_xdr_enc_create(struct rpc_rqst *req, struct xdr_stream *xdr, |
2224 | const struct nfs4_create_arg *args) | |
1da177e4 | 2225 | { |
1da177e4 | 2226 | struct compound_hdr hdr = { |
66cc0429 | 2227 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2228 | }; |
1da177e4 | 2229 | |
9f06c719 CL |
2230 | encode_compound_hdr(xdr, req, &hdr); |
2231 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2232 | encode_putfh(xdr, args->dir_fh, &hdr); | |
9f06c719 CL |
2233 | encode_create(xdr, args, &hdr); |
2234 | encode_getfh(xdr, &hdr); | |
2235 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2236 | encode_nops(&hdr); |
1da177e4 LT |
2237 | } |
2238 | ||
2239 | /* | |
2240 | * Encode SYMLINK request | |
2241 | */ | |
9f06c719 CL |
2242 | static void nfs4_xdr_enc_symlink(struct rpc_rqst *req, struct xdr_stream *xdr, |
2243 | const struct nfs4_create_arg *args) | |
1da177e4 | 2244 | { |
9f06c719 | 2245 | nfs4_xdr_enc_create(req, xdr, args); |
1da177e4 LT |
2246 | } |
2247 | ||
2248 | /* | |
2249 | * Encode GETATTR request | |
2250 | */ | |
9f06c719 CL |
2251 | static void nfs4_xdr_enc_getattr(struct rpc_rqst *req, struct xdr_stream *xdr, |
2252 | const struct nfs4_getattr_arg *args) | |
1da177e4 | 2253 | { |
1da177e4 | 2254 | struct compound_hdr hdr = { |
66cc0429 | 2255 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2256 | }; |
1da177e4 | 2257 | |
9f06c719 CL |
2258 | encode_compound_hdr(xdr, req, &hdr); |
2259 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2260 | encode_putfh(xdr, args->fh, &hdr); | |
2261 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2262 | encode_nops(&hdr); |
1da177e4 LT |
2263 | } |
2264 | ||
2265 | /* | |
2266 | * Encode a CLOSE request | |
2267 | */ | |
9f06c719 CL |
2268 | static void nfs4_xdr_enc_close(struct rpc_rqst *req, struct xdr_stream *xdr, |
2269 | struct nfs_closeargs *args) | |
1da177e4 | 2270 | { |
05d564fe | 2271 | struct compound_hdr hdr = { |
66cc0429 | 2272 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 2273 | }; |
05d564fe | 2274 | |
9f06c719 CL |
2275 | encode_compound_hdr(xdr, req, &hdr); |
2276 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2277 | encode_putfh(xdr, args->fh, &hdr); | |
cf805165 TM |
2278 | if (args->lr_args) |
2279 | encode_layoutreturn(xdr, args->lr_args, &hdr); | |
9f06c719 | 2280 | encode_close(xdr, args, &hdr); |
3ecefc92 TM |
2281 | if (args->bitmask != NULL) |
2282 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2283 | encode_nops(&hdr); |
1da177e4 LT |
2284 | } |
2285 | ||
2286 | /* | |
2287 | * Encode an OPEN request | |
2288 | */ | |
9f06c719 CL |
2289 | static void nfs4_xdr_enc_open(struct rpc_rqst *req, struct xdr_stream *xdr, |
2290 | struct nfs_openargs *args) | |
1da177e4 | 2291 | { |
1da177e4 | 2292 | struct compound_hdr hdr = { |
66cc0429 | 2293 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2294 | }; |
1da177e4 | 2295 | |
9f06c719 CL |
2296 | encode_compound_hdr(xdr, req, &hdr); |
2297 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2298 | encode_putfh(xdr, args->fh, &hdr); | |
9f06c719 CL |
2299 | encode_open(xdr, args, &hdr); |
2300 | encode_getfh(xdr, &hdr); | |
ae2bb032 WAA |
2301 | if (args->access) |
2302 | encode_access(xdr, args->access, &hdr); | |
1549210f | 2303 | encode_getfattr_open(xdr, args->bitmask, args->open_bitmap, &hdr); |
d017931c | 2304 | encode_nops(&hdr); |
1da177e4 LT |
2305 | } |
2306 | ||
2307 | /* | |
2308 | * Encode an OPEN_CONFIRM request | |
2309 | */ | |
9f06c719 CL |
2310 | static void nfs4_xdr_enc_open_confirm(struct rpc_rqst *req, |
2311 | struct xdr_stream *xdr, | |
2312 | struct nfs_open_confirmargs *args) | |
1da177e4 | 2313 | { |
1da177e4 | 2314 | struct compound_hdr hdr = { |
d017931c | 2315 | .nops = 0, |
1da177e4 | 2316 | }; |
1da177e4 | 2317 | |
9f06c719 CL |
2318 | encode_compound_hdr(xdr, req, &hdr); |
2319 | encode_putfh(xdr, args->fh, &hdr); | |
2320 | encode_open_confirm(xdr, args, &hdr); | |
d017931c | 2321 | encode_nops(&hdr); |
1da177e4 LT |
2322 | } |
2323 | ||
2324 | /* | |
2325 | * Encode an OPEN request with no attributes. | |
2326 | */ | |
9f06c719 CL |
2327 | static void nfs4_xdr_enc_open_noattr(struct rpc_rqst *req, |
2328 | struct xdr_stream *xdr, | |
2329 | struct nfs_openargs *args) | |
1da177e4 | 2330 | { |
1da177e4 | 2331 | struct compound_hdr hdr = { |
66cc0429 | 2332 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2333 | }; |
1da177e4 | 2334 | |
9f06c719 CL |
2335 | encode_compound_hdr(xdr, req, &hdr); |
2336 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2337 | encode_putfh(xdr, args->fh, &hdr); | |
2338 | encode_open(xdr, args, &hdr); | |
ae2bb032 WAA |
2339 | if (args->access) |
2340 | encode_access(xdr, args->access, &hdr); | |
e23008ec | 2341 | encode_getfattr_open(xdr, args->bitmask, args->open_bitmap, &hdr); |
d017931c | 2342 | encode_nops(&hdr); |
1da177e4 LT |
2343 | } |
2344 | ||
2345 | /* | |
2346 | * Encode an OPEN_DOWNGRADE request | |
2347 | */ | |
9f06c719 CL |
2348 | static void nfs4_xdr_enc_open_downgrade(struct rpc_rqst *req, |
2349 | struct xdr_stream *xdr, | |
2350 | struct nfs_closeargs *args) | |
1da177e4 | 2351 | { |
1da177e4 | 2352 | struct compound_hdr hdr = { |
66cc0429 | 2353 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2354 | }; |
1da177e4 | 2355 | |
9f06c719 CL |
2356 | encode_compound_hdr(xdr, req, &hdr); |
2357 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2358 | encode_putfh(xdr, args->fh, &hdr); | |
2359 | encode_open_downgrade(xdr, args, &hdr); | |
d017931c | 2360 | encode_nops(&hdr); |
1da177e4 LT |
2361 | } |
2362 | ||
2363 | /* | |
2364 | * Encode a LOCK request | |
2365 | */ | |
9f06c719 CL |
2366 | static void nfs4_xdr_enc_lock(struct rpc_rqst *req, struct xdr_stream *xdr, |
2367 | struct nfs_lock_args *args) | |
1da177e4 | 2368 | { |
1da177e4 | 2369 | struct compound_hdr hdr = { |
66cc0429 | 2370 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2371 | }; |
1da177e4 | 2372 | |
9f06c719 CL |
2373 | encode_compound_hdr(xdr, req, &hdr); |
2374 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2375 | encode_putfh(xdr, args->fh, &hdr); | |
2376 | encode_lock(xdr, args, &hdr); | |
d017931c | 2377 | encode_nops(&hdr); |
1da177e4 LT |
2378 | } |
2379 | ||
2380 | /* | |
2381 | * Encode a LOCKT request | |
2382 | */ | |
9f06c719 CL |
2383 | static void nfs4_xdr_enc_lockt(struct rpc_rqst *req, struct xdr_stream *xdr, |
2384 | struct nfs_lockt_args *args) | |
1da177e4 | 2385 | { |
1da177e4 | 2386 | struct compound_hdr hdr = { |
66cc0429 | 2387 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2388 | }; |
1da177e4 | 2389 | |
9f06c719 CL |
2390 | encode_compound_hdr(xdr, req, &hdr); |
2391 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2392 | encode_putfh(xdr, args->fh, &hdr); | |
2393 | encode_lockt(xdr, args, &hdr); | |
d017931c | 2394 | encode_nops(&hdr); |
1da177e4 LT |
2395 | } |
2396 | ||
2397 | /* | |
2398 | * Encode a LOCKU request | |
2399 | */ | |
9f06c719 CL |
2400 | static void nfs4_xdr_enc_locku(struct rpc_rqst *req, struct xdr_stream *xdr, |
2401 | struct nfs_locku_args *args) | |
1da177e4 | 2402 | { |
1da177e4 | 2403 | struct compound_hdr hdr = { |
66cc0429 | 2404 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2405 | }; |
1da177e4 | 2406 | |
9f06c719 CL |
2407 | encode_compound_hdr(xdr, req, &hdr); |
2408 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2409 | encode_putfh(xdr, args->fh, &hdr); | |
2410 | encode_locku(xdr, args, &hdr); | |
d017931c | 2411 | encode_nops(&hdr); |
1da177e4 LT |
2412 | } |
2413 | ||
9f06c719 CL |
2414 | static void nfs4_xdr_enc_release_lockowner(struct rpc_rqst *req, |
2415 | struct xdr_stream *xdr, | |
2416 | struct nfs_release_lockowner_args *args) | |
d3c7b7cc | 2417 | { |
d3c7b7cc TM |
2418 | struct compound_hdr hdr = { |
2419 | .minorversion = 0, | |
2420 | }; | |
2421 | ||
9f06c719 CL |
2422 | encode_compound_hdr(xdr, req, &hdr); |
2423 | encode_release_lockowner(xdr, &args->lock_owner, &hdr); | |
d3c7b7cc | 2424 | encode_nops(&hdr); |
d3c7b7cc TM |
2425 | } |
2426 | ||
1da177e4 LT |
2427 | /* |
2428 | * Encode a READLINK request | |
2429 | */ | |
9f06c719 CL |
2430 | static void nfs4_xdr_enc_readlink(struct rpc_rqst *req, struct xdr_stream *xdr, |
2431 | const struct nfs4_readlink *args) | |
1da177e4 | 2432 | { |
1da177e4 | 2433 | struct compound_hdr hdr = { |
66cc0429 | 2434 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2435 | }; |
1da177e4 | 2436 | |
9f06c719 CL |
2437 | encode_compound_hdr(xdr, req, &hdr); |
2438 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2439 | encode_putfh(xdr, args->fh, &hdr); | |
2440 | encode_readlink(xdr, args, req, &hdr); | |
e3a535e1 | 2441 | |
28f56694 | 2442 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, |
e3a535e1 | 2443 | args->pgbase, args->pglen); |
d017931c | 2444 | encode_nops(&hdr); |
1da177e4 LT |
2445 | } |
2446 | ||
2447 | /* | |
2448 | * Encode a READDIR request | |
2449 | */ | |
9f06c719 CL |
2450 | static void nfs4_xdr_enc_readdir(struct rpc_rqst *req, struct xdr_stream *xdr, |
2451 | const struct nfs4_readdir_arg *args) | |
1da177e4 | 2452 | { |
1da177e4 | 2453 | struct compound_hdr hdr = { |
66cc0429 | 2454 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2455 | }; |
1da177e4 | 2456 | |
9f06c719 CL |
2457 | encode_compound_hdr(xdr, req, &hdr); |
2458 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2459 | encode_putfh(xdr, args->fh, &hdr); | |
2460 | encode_readdir(xdr, args, req, &hdr); | |
d6ac02df | 2461 | |
28f56694 | 2462 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, |
d6ac02df TM |
2463 | args->pgbase, args->count); |
2464 | dprintk("%s: inlined page args = (%u, %p, %u, %u)\n", | |
28f56694 | 2465 | __func__, hdr.replen << 2, args->pages, |
d6ac02df | 2466 | args->pgbase, args->count); |
d017931c | 2467 | encode_nops(&hdr); |
1da177e4 LT |
2468 | } |
2469 | ||
2470 | /* | |
2471 | * Encode a READ request | |
2472 | */ | |
9f06c719 | 2473 | static void nfs4_xdr_enc_read(struct rpc_rqst *req, struct xdr_stream *xdr, |
3c6b899c | 2474 | struct nfs_pgio_args *args) |
1da177e4 | 2475 | { |
1da177e4 | 2476 | struct compound_hdr hdr = { |
66cc0429 | 2477 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2478 | }; |
1da177e4 | 2479 | |
9f06c719 CL |
2480 | encode_compound_hdr(xdr, req, &hdr); |
2481 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2482 | encode_putfh(xdr, args->fh, &hdr); | |
2483 | encode_read(xdr, args, &hdr); | |
1da177e4 | 2484 | |
28f56694 | 2485 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, |
1da177e4 | 2486 | args->pages, args->pgbase, args->count); |
4f22ccc3 | 2487 | req->rq_rcv_buf.flags |= XDRBUF_READ; |
d017931c | 2488 | encode_nops(&hdr); |
1da177e4 LT |
2489 | } |
2490 | ||
2491 | /* | |
2492 | * Encode an SETATTR request | |
2493 | */ | |
9f06c719 CL |
2494 | static void nfs4_xdr_enc_setattr(struct rpc_rqst *req, struct xdr_stream *xdr, |
2495 | struct nfs_setattrargs *args) | |
1da177e4 | 2496 | { |
05d564fe | 2497 | struct compound_hdr hdr = { |
66cc0429 | 2498 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 2499 | }; |
05d564fe | 2500 | |
9f06c719 CL |
2501 | encode_compound_hdr(xdr, req, &hdr); |
2502 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2503 | encode_putfh(xdr, args->fh, &hdr); | |
2504 | encode_setattr(xdr, args, args->server, &hdr); | |
2505 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2506 | encode_nops(&hdr); |
1da177e4 LT |
2507 | } |
2508 | ||
029d105e BF |
2509 | /* |
2510 | * Encode a GETACL request | |
2511 | */ | |
9f06c719 CL |
2512 | static void nfs4_xdr_enc_getacl(struct rpc_rqst *req, struct xdr_stream *xdr, |
2513 | struct nfs_getaclargs *args) | |
029d105e | 2514 | { |
029d105e | 2515 | struct compound_hdr hdr = { |
66cc0429 | 2516 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
029d105e | 2517 | }; |
28f56694 | 2518 | uint32_t replen; |
029d105e | 2519 | |
9f06c719 CL |
2520 | encode_compound_hdr(xdr, req, &hdr); |
2521 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2522 | encode_putfh(xdr, args->fh, &hdr); | |
bf118a34 | 2523 | replen = hdr.replen + op_decode_hdr_maxsz + 1; |
9f06c719 | 2524 | encode_getattr_two(xdr, FATTR4_WORD0_ACL, 0, &hdr); |
cf8cdbe5 | 2525 | |
28f56694 | 2526 | xdr_inline_pages(&req->rq_rcv_buf, replen << 2, |
8fbcf237 | 2527 | args->acl_pages, 0, args->acl_len); |
bf118a34 | 2528 | |
d017931c | 2529 | encode_nops(&hdr); |
029d105e BF |
2530 | } |
2531 | ||
1da177e4 LT |
2532 | /* |
2533 | * Encode a WRITE request | |
2534 | */ | |
9f06c719 | 2535 | static void nfs4_xdr_enc_write(struct rpc_rqst *req, struct xdr_stream *xdr, |
3c6b899c | 2536 | struct nfs_pgio_args *args) |
1da177e4 | 2537 | { |
1da177e4 | 2538 | struct compound_hdr hdr = { |
66cc0429 | 2539 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2540 | }; |
1da177e4 | 2541 | |
9f06c719 CL |
2542 | encode_compound_hdr(xdr, req, &hdr); |
2543 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2544 | encode_putfh(xdr, args->fh, &hdr); | |
2545 | encode_write(xdr, args, &hdr); | |
4f22ccc3 | 2546 | req->rq_snd_buf.flags |= XDRBUF_WRITE; |
7ffd1064 FI |
2547 | if (args->bitmask) |
2548 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2549 | encode_nops(&hdr); |
1da177e4 LT |
2550 | } |
2551 | ||
2552 | /* | |
2553 | * a COMMIT request | |
2554 | */ | |
9f06c719 | 2555 | static void nfs4_xdr_enc_commit(struct rpc_rqst *req, struct xdr_stream *xdr, |
0b7c0153 | 2556 | struct nfs_commitargs *args) |
1da177e4 | 2557 | { |
1da177e4 | 2558 | struct compound_hdr hdr = { |
66cc0429 | 2559 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2560 | }; |
1da177e4 | 2561 | |
9f06c719 CL |
2562 | encode_compound_hdr(xdr, req, &hdr); |
2563 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2564 | encode_putfh(xdr, args->fh, &hdr); | |
2565 | encode_commit(xdr, args, &hdr); | |
d017931c | 2566 | encode_nops(&hdr); |
1da177e4 LT |
2567 | } |
2568 | ||
2569 | /* | |
2570 | * FSINFO request | |
2571 | */ | |
9f06c719 CL |
2572 | static void nfs4_xdr_enc_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, |
2573 | struct nfs4_fsinfo_arg *args) | |
1da177e4 | 2574 | { |
1da177e4 | 2575 | struct compound_hdr hdr = { |
66cc0429 | 2576 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2577 | }; |
1da177e4 | 2578 | |
9f06c719 CL |
2579 | encode_compound_hdr(xdr, req, &hdr); |
2580 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2581 | encode_putfh(xdr, args->fh, &hdr); | |
2582 | encode_fsinfo(xdr, args->bitmask, &hdr); | |
d017931c | 2583 | encode_nops(&hdr); |
1da177e4 LT |
2584 | } |
2585 | ||
2586 | /* | |
2587 | * a PATHCONF request | |
2588 | */ | |
9f06c719 CL |
2589 | static void nfs4_xdr_enc_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, |
2590 | const struct nfs4_pathconf_arg *args) | |
1da177e4 | 2591 | { |
1da177e4 | 2592 | struct compound_hdr hdr = { |
66cc0429 | 2593 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2594 | }; |
1da177e4 | 2595 | |
9f06c719 CL |
2596 | encode_compound_hdr(xdr, req, &hdr); |
2597 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2598 | encode_putfh(xdr, args->fh, &hdr); | |
2599 | encode_getattr_one(xdr, args->bitmask[0] & nfs4_pathconf_bitmap[0], | |
cf8cdbe5 | 2600 | &hdr); |
d017931c | 2601 | encode_nops(&hdr); |
1da177e4 LT |
2602 | } |
2603 | ||
2604 | /* | |
2605 | * a STATFS request | |
2606 | */ | |
9f06c719 CL |
2607 | static void nfs4_xdr_enc_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, |
2608 | const struct nfs4_statfs_arg *args) | |
1da177e4 | 2609 | { |
1da177e4 | 2610 | struct compound_hdr hdr = { |
66cc0429 | 2611 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2612 | }; |
1da177e4 | 2613 | |
9f06c719 CL |
2614 | encode_compound_hdr(xdr, req, &hdr); |
2615 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2616 | encode_putfh(xdr, args->fh, &hdr); | |
2617 | encode_getattr_two(xdr, args->bitmask[0] & nfs4_statfs_bitmap[0], | |
cf8cdbe5 | 2618 | args->bitmask[1] & nfs4_statfs_bitmap[1], &hdr); |
d017931c | 2619 | encode_nops(&hdr); |
1da177e4 LT |
2620 | } |
2621 | ||
2622 | /* | |
2623 | * GETATTR_BITMAP request | |
2624 | */ | |
9f06c719 CL |
2625 | static void nfs4_xdr_enc_server_caps(struct rpc_rqst *req, |
2626 | struct xdr_stream *xdr, | |
2627 | struct nfs4_server_caps_arg *args) | |
1da177e4 | 2628 | { |
8c61282f | 2629 | const u32 *bitmask = args->bitmask; |
1da177e4 | 2630 | struct compound_hdr hdr = { |
66cc0429 | 2631 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2632 | }; |
1da177e4 | 2633 | |
9f06c719 CL |
2634 | encode_compound_hdr(xdr, req, &hdr); |
2635 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2636 | encode_putfh(xdr, args->fhandle, &hdr); | |
8c61282f | 2637 | encode_getattr_three(xdr, bitmask[0], bitmask[1], bitmask[2], &hdr); |
d017931c | 2638 | encode_nops(&hdr); |
1da177e4 LT |
2639 | } |
2640 | ||
2641 | /* | |
2642 | * a RENEW request | |
2643 | */ | |
9f06c719 CL |
2644 | static void nfs4_xdr_enc_renew(struct rpc_rqst *req, struct xdr_stream *xdr, |
2645 | struct nfs_client *clp) | |
1da177e4 | 2646 | { |
1da177e4 | 2647 | struct compound_hdr hdr = { |
d017931c | 2648 | .nops = 0, |
1da177e4 LT |
2649 | }; |
2650 | ||
9f06c719 | 2651 | encode_compound_hdr(xdr, req, &hdr); |
bb4dae5e | 2652 | encode_renew(xdr, clp->cl_clientid, &hdr); |
d017931c | 2653 | encode_nops(&hdr); |
1da177e4 LT |
2654 | } |
2655 | ||
2656 | /* | |
2657 | * a SETCLIENTID request | |
2658 | */ | |
9f06c719 CL |
2659 | static void nfs4_xdr_enc_setclientid(struct rpc_rqst *req, |
2660 | struct xdr_stream *xdr, | |
2661 | struct nfs4_setclientid *sc) | |
1da177e4 | 2662 | { |
1da177e4 | 2663 | struct compound_hdr hdr = { |
d017931c | 2664 | .nops = 0, |
1da177e4 LT |
2665 | }; |
2666 | ||
9f06c719 CL |
2667 | encode_compound_hdr(xdr, req, &hdr); |
2668 | encode_setclientid(xdr, sc, &hdr); | |
d017931c | 2669 | encode_nops(&hdr); |
1da177e4 LT |
2670 | } |
2671 | ||
2672 | /* | |
2673 | * a SETCLIENTID_CONFIRM request | |
2674 | */ | |
9f06c719 CL |
2675 | static void nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, |
2676 | struct xdr_stream *xdr, | |
2677 | struct nfs4_setclientid_res *arg) | |
1da177e4 | 2678 | { |
1da177e4 | 2679 | struct compound_hdr hdr = { |
d017931c | 2680 | .nops = 0, |
1da177e4 | 2681 | }; |
1da177e4 | 2682 | |
9f06c719 CL |
2683 | encode_compound_hdr(xdr, req, &hdr); |
2684 | encode_setclientid_confirm(xdr, arg, &hdr); | |
d017931c | 2685 | encode_nops(&hdr); |
1da177e4 LT |
2686 | } |
2687 | ||
2688 | /* | |
2689 | * DELEGRETURN request | |
2690 | */ | |
9f06c719 CL |
2691 | static void nfs4_xdr_enc_delegreturn(struct rpc_rqst *req, |
2692 | struct xdr_stream *xdr, | |
2693 | const struct nfs4_delegreturnargs *args) | |
1da177e4 | 2694 | { |
1da177e4 | 2695 | struct compound_hdr hdr = { |
66cc0429 | 2696 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2697 | }; |
1da177e4 | 2698 | |
9f06c719 CL |
2699 | encode_compound_hdr(xdr, req, &hdr); |
2700 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2701 | encode_putfh(xdr, args->fhandle, &hdr); | |
586f1c39 TM |
2702 | if (args->lr_args) |
2703 | encode_layoutreturn(xdr, args->lr_args, &hdr); | |
9f06c719 | 2704 | encode_getfattr(xdr, args->bitmask, &hdr); |
e144cbcc | 2705 | encode_delegreturn(xdr, args->stateid, &hdr); |
d017931c | 2706 | encode_nops(&hdr); |
1da177e4 LT |
2707 | } |
2708 | ||
683b57b4 TM |
2709 | /* |
2710 | * Encode FS_LOCATIONS request | |
2711 | */ | |
9f06c719 CL |
2712 | static void nfs4_xdr_enc_fs_locations(struct rpc_rqst *req, |
2713 | struct xdr_stream *xdr, | |
2714 | struct nfs4_fs_locations_arg *args) | |
683b57b4 | 2715 | { |
683b57b4 | 2716 | struct compound_hdr hdr = { |
66cc0429 | 2717 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
683b57b4 | 2718 | }; |
28f56694 | 2719 | uint32_t replen; |
683b57b4 | 2720 | |
9f06c719 CL |
2721 | encode_compound_hdr(xdr, req, &hdr); |
2722 | encode_sequence(xdr, &args->seq_args, &hdr); | |
b03d735b CL |
2723 | if (args->migration) { |
2724 | encode_putfh(xdr, args->fh, &hdr); | |
2725 | replen = hdr.replen; | |
2726 | encode_fs_locations(xdr, args->bitmask, &hdr); | |
2727 | if (args->renew) | |
2728 | encode_renew(xdr, args->clientid, &hdr); | |
2729 | } else { | |
2730 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2731 | encode_lookup(xdr, args->name, &hdr); | |
2732 | replen = hdr.replen; | |
2733 | encode_fs_locations(xdr, args->bitmask, &hdr); | |
2734 | } | |
cf8cdbe5 | 2735 | |
b03d735b | 2736 | /* Set up reply kvec to capture returned fs_locations array. */ |
28f56694 | 2737 | xdr_inline_pages(&req->rq_rcv_buf, replen << 2, &args->page, |
683b57b4 | 2738 | 0, PAGE_SIZE); |
d017931c | 2739 | encode_nops(&hdr); |
683b57b4 TM |
2740 | } |
2741 | ||
5a5ea0d4 BS |
2742 | /* |
2743 | * Encode SECINFO request | |
2744 | */ | |
2745 | static void nfs4_xdr_enc_secinfo(struct rpc_rqst *req, | |
2746 | struct xdr_stream *xdr, | |
2747 | struct nfs4_secinfo_arg *args) | |
2748 | { | |
2749 | struct compound_hdr hdr = { | |
2750 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2751 | }; | |
2752 | ||
2753 | encode_compound_hdr(xdr, req, &hdr); | |
2754 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2755 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2756 | encode_secinfo(xdr, args->name, &hdr); | |
2757 | encode_nops(&hdr); | |
2758 | } | |
2759 | ||
44c99933 CL |
2760 | /* |
2761 | * Encode FSID_PRESENT request | |
2762 | */ | |
2763 | static void nfs4_xdr_enc_fsid_present(struct rpc_rqst *req, | |
2764 | struct xdr_stream *xdr, | |
2765 | struct nfs4_fsid_present_arg *args) | |
2766 | { | |
2767 | struct compound_hdr hdr = { | |
2768 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2769 | }; | |
2770 | ||
2771 | encode_compound_hdr(xdr, req, &hdr); | |
2772 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2773 | encode_putfh(xdr, args->fh, &hdr); | |
2774 | encode_getfh(xdr, &hdr); | |
2775 | if (args->renew) | |
2776 | encode_renew(xdr, args->clientid, &hdr); | |
2777 | encode_nops(&hdr); | |
2778 | } | |
2779 | ||
99fe60d0 | 2780 | #if defined(CONFIG_NFS_V4_1) |
7c44f1ae WAA |
2781 | /* |
2782 | * BIND_CONN_TO_SESSION request | |
2783 | */ | |
2784 | static void nfs4_xdr_enc_bind_conn_to_session(struct rpc_rqst *req, | |
2785 | struct xdr_stream *xdr, | |
71a097c6 | 2786 | struct nfs41_bind_conn_to_session_args *args) |
7c44f1ae WAA |
2787 | { |
2788 | struct compound_hdr hdr = { | |
71a097c6 | 2789 | .minorversion = args->client->cl_mvops->minor_version, |
7c44f1ae WAA |
2790 | }; |
2791 | ||
2792 | encode_compound_hdr(xdr, req, &hdr); | |
71a097c6 | 2793 | encode_bind_conn_to_session(xdr, args, &hdr); |
7c44f1ae WAA |
2794 | encode_nops(&hdr); |
2795 | } | |
2796 | ||
99fe60d0 BH |
2797 | /* |
2798 | * EXCHANGE_ID request | |
2799 | */ | |
9f06c719 CL |
2800 | static void nfs4_xdr_enc_exchange_id(struct rpc_rqst *req, |
2801 | struct xdr_stream *xdr, | |
2802 | struct nfs41_exchange_id_args *args) | |
99fe60d0 | 2803 | { |
99fe60d0 | 2804 | struct compound_hdr hdr = { |
a4432345 | 2805 | .minorversion = args->client->cl_mvops->minor_version, |
99fe60d0 BH |
2806 | }; |
2807 | ||
9f06c719 CL |
2808 | encode_compound_hdr(xdr, req, &hdr); |
2809 | encode_exchange_id(xdr, args, &hdr); | |
99fe60d0 | 2810 | encode_nops(&hdr); |
99fe60d0 | 2811 | } |
2050f0cc | 2812 | |
fc931582 AA |
2813 | /* |
2814 | * a CREATE_SESSION request | |
2815 | */ | |
9f06c719 CL |
2816 | static void nfs4_xdr_enc_create_session(struct rpc_rqst *req, |
2817 | struct xdr_stream *xdr, | |
2818 | struct nfs41_create_session_args *args) | |
fc931582 | 2819 | { |
fc931582 | 2820 | struct compound_hdr hdr = { |
a4432345 | 2821 | .minorversion = args->client->cl_mvops->minor_version, |
fc931582 AA |
2822 | }; |
2823 | ||
9f06c719 CL |
2824 | encode_compound_hdr(xdr, req, &hdr); |
2825 | encode_create_session(xdr, args, &hdr); | |
fc931582 | 2826 | encode_nops(&hdr); |
fc931582 AA |
2827 | } |
2828 | ||
0f3e66c6 AA |
2829 | /* |
2830 | * a DESTROY_SESSION request | |
2831 | */ | |
9f06c719 CL |
2832 | static void nfs4_xdr_enc_destroy_session(struct rpc_rqst *req, |
2833 | struct xdr_stream *xdr, | |
2834 | struct nfs4_session *session) | |
0f3e66c6 | 2835 | { |
0f3e66c6 | 2836 | struct compound_hdr hdr = { |
a4432345 | 2837 | .minorversion = session->clp->cl_mvops->minor_version, |
0f3e66c6 AA |
2838 | }; |
2839 | ||
9f06c719 CL |
2840 | encode_compound_hdr(xdr, req, &hdr); |
2841 | encode_destroy_session(xdr, session, &hdr); | |
0f3e66c6 | 2842 | encode_nops(&hdr); |
0f3e66c6 AA |
2843 | } |
2844 | ||
66245539 TM |
2845 | /* |
2846 | * a DESTROY_CLIENTID request | |
2847 | */ | |
2848 | static void nfs4_xdr_enc_destroy_clientid(struct rpc_rqst *req, | |
2849 | struct xdr_stream *xdr, | |
2850 | struct nfs_client *clp) | |
2851 | { | |
2852 | struct compound_hdr hdr = { | |
2853 | .minorversion = clp->cl_mvops->minor_version, | |
2854 | }; | |
2855 | ||
2856 | encode_compound_hdr(xdr, req, &hdr); | |
2857 | encode_destroy_clientid(xdr, clp->cl_clientid, &hdr); | |
2858 | encode_nops(&hdr); | |
2859 | } | |
2860 | ||
fc01cea9 AA |
2861 | /* |
2862 | * a SEQUENCE request | |
2863 | */ | |
9f06c719 CL |
2864 | static void nfs4_xdr_enc_sequence(struct rpc_rqst *req, struct xdr_stream *xdr, |
2865 | struct nfs4_sequence_args *args) | |
fc01cea9 | 2866 | { |
fc01cea9 AA |
2867 | struct compound_hdr hdr = { |
2868 | .minorversion = nfs4_xdr_minorversion(args), | |
2869 | }; | |
2870 | ||
9f06c719 CL |
2871 | encode_compound_hdr(xdr, req, &hdr); |
2872 | encode_sequence(xdr, args, &hdr); | |
fc01cea9 | 2873 | encode_nops(&hdr); |
fc01cea9 AA |
2874 | } |
2875 | ||
2050f0cc AA |
2876 | /* |
2877 | * a GET_LEASE_TIME request | |
2878 | */ | |
9f06c719 CL |
2879 | static void nfs4_xdr_enc_get_lease_time(struct rpc_rqst *req, |
2880 | struct xdr_stream *xdr, | |
2881 | struct nfs4_get_lease_time_args *args) | |
2050f0cc | 2882 | { |
2050f0cc AA |
2883 | struct compound_hdr hdr = { |
2884 | .minorversion = nfs4_xdr_minorversion(&args->la_seq_args), | |
2885 | }; | |
dae100c2 | 2886 | const u32 lease_bitmap[3] = { FATTR4_WORD0_LEASE_TIME }; |
2050f0cc | 2887 | |
9f06c719 CL |
2888 | encode_compound_hdr(xdr, req, &hdr); |
2889 | encode_sequence(xdr, &args->la_seq_args, &hdr); | |
2890 | encode_putrootfh(xdr, &hdr); | |
2891 | encode_fsinfo(xdr, lease_bitmap, &hdr); | |
2050f0cc | 2892 | encode_nops(&hdr); |
2050f0cc | 2893 | } |
18019753 RL |
2894 | |
2895 | /* | |
2896 | * a RECLAIM_COMPLETE request | |
2897 | */ | |
9f06c719 CL |
2898 | static void nfs4_xdr_enc_reclaim_complete(struct rpc_rqst *req, |
2899 | struct xdr_stream *xdr, | |
2900 | struct nfs41_reclaim_complete_args *args) | |
18019753 | 2901 | { |
18019753 RL |
2902 | struct compound_hdr hdr = { |
2903 | .minorversion = nfs4_xdr_minorversion(&args->seq_args) | |
2904 | }; | |
2905 | ||
9f06c719 CL |
2906 | encode_compound_hdr(xdr, req, &hdr); |
2907 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2908 | encode_reclaim_complete(xdr, args, &hdr); | |
18019753 | 2909 | encode_nops(&hdr); |
18019753 RL |
2910 | } |
2911 | ||
b1f69b75 AA |
2912 | /* |
2913 | * Encode GETDEVICEINFO request | |
2914 | */ | |
9f06c719 CL |
2915 | static void nfs4_xdr_enc_getdeviceinfo(struct rpc_rqst *req, |
2916 | struct xdr_stream *xdr, | |
2917 | struct nfs4_getdeviceinfo_args *args) | |
b1f69b75 | 2918 | { |
b1f69b75 AA |
2919 | struct compound_hdr hdr = { |
2920 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2921 | }; | |
2922 | ||
9f06c719 CL |
2923 | encode_compound_hdr(xdr, req, &hdr); |
2924 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2925 | encode_getdeviceinfo(xdr, args, &hdr); | |
b1f69b75 AA |
2926 | |
2927 | /* set up reply kvec. Subtract notification bitmap max size (2) | |
2928 | * so that notification bitmap is put in xdr_buf tail */ | |
2929 | xdr_inline_pages(&req->rq_rcv_buf, (hdr.replen - 2) << 2, | |
2930 | args->pdev->pages, args->pdev->pgbase, | |
2931 | args->pdev->pglen); | |
2932 | ||
2933 | encode_nops(&hdr); | |
b1f69b75 AA |
2934 | } |
2935 | ||
2936 | /* | |
2937 | * Encode LAYOUTGET request | |
2938 | */ | |
9f06c719 CL |
2939 | static void nfs4_xdr_enc_layoutget(struct rpc_rqst *req, |
2940 | struct xdr_stream *xdr, | |
2941 | struct nfs4_layoutget_args *args) | |
b1f69b75 | 2942 | { |
b1f69b75 AA |
2943 | struct compound_hdr hdr = { |
2944 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2945 | }; | |
2946 | ||
9f06c719 CL |
2947 | encode_compound_hdr(xdr, req, &hdr); |
2948 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2949 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
2950 | encode_layoutget(xdr, args, &hdr); | |
35124a09 WAA |
2951 | |
2952 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, | |
2953 | args->layout.pages, 0, args->layout.pglen); | |
2954 | ||
b1f69b75 | 2955 | encode_nops(&hdr); |
b1f69b75 | 2956 | } |
863a3c6c AA |
2957 | |
2958 | /* | |
2959 | * Encode LAYOUTCOMMIT request | |
2960 | */ | |
cbe82603 BH |
2961 | static void nfs4_xdr_enc_layoutcommit(struct rpc_rqst *req, |
2962 | struct xdr_stream *xdr, | |
2963 | struct nfs4_layoutcommit_args *args) | |
863a3c6c | 2964 | { |
ac7db726 BH |
2965 | struct nfs4_layoutcommit_data *data = |
2966 | container_of(args, struct nfs4_layoutcommit_data, args); | |
863a3c6c AA |
2967 | struct compound_hdr hdr = { |
2968 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2969 | }; | |
2970 | ||
2971 | encode_compound_hdr(xdr, req, &hdr); | |
2972 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2973 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
ac7db726 | 2974 | encode_layoutcommit(xdr, data->args.inode, args, &hdr); |
863a3c6c | 2975 | encode_getfattr(xdr, args->bitmask, &hdr); |
b1f69b75 | 2976 | encode_nops(&hdr); |
cbe82603 BH |
2977 | } |
2978 | ||
2979 | /* | |
2980 | * Encode LAYOUTRETURN request | |
2981 | */ | |
2982 | static void nfs4_xdr_enc_layoutreturn(struct rpc_rqst *req, | |
2983 | struct xdr_stream *xdr, | |
2984 | struct nfs4_layoutreturn_args *args) | |
2985 | { | |
2986 | struct compound_hdr hdr = { | |
2987 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2988 | }; | |
2989 | ||
2990 | encode_compound_hdr(xdr, req, &hdr); | |
2991 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2992 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
2993 | encode_layoutreturn(xdr, args, &hdr); | |
2994 | encode_nops(&hdr); | |
b1f69b75 | 2995 | } |
fca78d6d BS |
2996 | |
2997 | /* | |
2998 | * Encode SECINFO_NO_NAME request | |
2999 | */ | |
3000 | static int nfs4_xdr_enc_secinfo_no_name(struct rpc_rqst *req, | |
3001 | struct xdr_stream *xdr, | |
3002 | struct nfs41_secinfo_no_name_args *args) | |
3003 | { | |
3004 | struct compound_hdr hdr = { | |
3005 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
3006 | }; | |
3007 | ||
3008 | encode_compound_hdr(xdr, req, &hdr); | |
3009 | encode_sequence(xdr, &args->seq_args, &hdr); | |
3010 | encode_putrootfh(xdr, &hdr); | |
3011 | encode_secinfo_no_name(xdr, args, &hdr); | |
3012 | encode_nops(&hdr); | |
3013 | return 0; | |
3014 | } | |
7d974794 BS |
3015 | |
3016 | /* | |
3017 | * Encode TEST_STATEID request | |
3018 | */ | |
3019 | static void nfs4_xdr_enc_test_stateid(struct rpc_rqst *req, | |
3020 | struct xdr_stream *xdr, | |
3021 | struct nfs41_test_stateid_args *args) | |
3022 | { | |
3023 | struct compound_hdr hdr = { | |
3024 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
3025 | }; | |
3026 | ||
3027 | encode_compound_hdr(xdr, req, &hdr); | |
3028 | encode_sequence(xdr, &args->seq_args, &hdr); | |
3029 | encode_test_stateid(xdr, args, &hdr); | |
3030 | encode_nops(&hdr); | |
3031 | } | |
9aeda35f BS |
3032 | |
3033 | /* | |
3034 | * Encode FREE_STATEID request | |
3035 | */ | |
3036 | static void nfs4_xdr_enc_free_stateid(struct rpc_rqst *req, | |
3037 | struct xdr_stream *xdr, | |
3038 | struct nfs41_free_stateid_args *args) | |
3039 | { | |
3040 | struct compound_hdr hdr = { | |
3041 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
3042 | }; | |
3043 | ||
3044 | encode_compound_hdr(xdr, req, &hdr); | |
3045 | encode_sequence(xdr, &args->seq_args, &hdr); | |
3046 | encode_free_stateid(xdr, args, &hdr); | |
3047 | encode_nops(&hdr); | |
3048 | } | |
99fe60d0 BH |
3049 | #endif /* CONFIG_NFS_V4_1 */ |
3050 | ||
686841b3 BH |
3051 | static void print_overflow_msg(const char *func, const struct xdr_stream *xdr) |
3052 | { | |
3053 | dprintk("nfs: %s: prematurely hit end of receive buffer. " | |
3054 | "Remaining buffer length is %tu words.\n", | |
3055 | func, xdr->end - xdr->p); | |
3056 | } | |
1da177e4 | 3057 | |
683b57b4 | 3058 | static int decode_opaque_inline(struct xdr_stream *xdr, unsigned int *len, char **string) |
1da177e4 | 3059 | { |
8687b63a | 3060 | __be32 *p; |
1da177e4 | 3061 | |
c0eae66e BH |
3062 | p = xdr_inline_decode(xdr, 4); |
3063 | if (unlikely(!p)) | |
3064 | goto out_overflow; | |
cccddf4f | 3065 | *len = be32_to_cpup(p); |
c0eae66e BH |
3066 | p = xdr_inline_decode(xdr, *len); |
3067 | if (unlikely(!p)) | |
3068 | goto out_overflow; | |
1da177e4 LT |
3069 | *string = (char *)p; |
3070 | return 0; | |
c0eae66e BH |
3071 | out_overflow: |
3072 | print_overflow_msg(__func__, xdr); | |
3073 | return -EIO; | |
1da177e4 LT |
3074 | } |
3075 | ||
3076 | static int decode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr) | |
3077 | { | |
8687b63a | 3078 | __be32 *p; |
1da177e4 | 3079 | |
c0eae66e BH |
3080 | p = xdr_inline_decode(xdr, 8); |
3081 | if (unlikely(!p)) | |
3082 | goto out_overflow; | |
6f723f77 | 3083 | hdr->status = be32_to_cpup(p++); |
cccddf4f | 3084 | hdr->taglen = be32_to_cpup(p); |
6c0195a4 | 3085 | |
c0eae66e BH |
3086 | p = xdr_inline_decode(xdr, hdr->taglen + 4); |
3087 | if (unlikely(!p)) | |
3088 | goto out_overflow; | |
1da177e4 LT |
3089 | hdr->tag = (char *)p; |
3090 | p += XDR_QUADLEN(hdr->taglen); | |
cccddf4f | 3091 | hdr->nops = be32_to_cpup(p); |
aadf6152 BH |
3092 | if (unlikely(hdr->nops < 1)) |
3093 | return nfs4_stat_to_errno(hdr->status); | |
1da177e4 | 3094 | return 0; |
c0eae66e BH |
3095 | out_overflow: |
3096 | print_overflow_msg(__func__, xdr); | |
3097 | return -EIO; | |
1da177e4 LT |
3098 | } |
3099 | ||
c7848f69 TM |
3100 | static bool __decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected, |
3101 | int *nfs_retval) | |
1da177e4 | 3102 | { |
8687b63a | 3103 | __be32 *p; |
1da177e4 LT |
3104 | uint32_t opnum; |
3105 | int32_t nfserr; | |
3106 | ||
c0eae66e BH |
3107 | p = xdr_inline_decode(xdr, 8); |
3108 | if (unlikely(!p)) | |
3109 | goto out_overflow; | |
6f723f77 | 3110 | opnum = be32_to_cpup(p++); |
c7848f69 TM |
3111 | if (unlikely(opnum != expected)) |
3112 | goto out_bad_operation; | |
cccddf4f | 3113 | nfserr = be32_to_cpup(p); |
c7848f69 TM |
3114 | if (nfserr == NFS_OK) |
3115 | *nfs_retval = 0; | |
3116 | else | |
3117 | *nfs_retval = nfs4_stat_to_errno(nfserr); | |
3118 | return true; | |
3119 | out_bad_operation: | |
3120 | dprintk("nfs: Server returned operation" | |
3121 | " %d but we issued a request for %d\n", | |
3122 | opnum, expected); | |
3123 | *nfs_retval = -EREMOTEIO; | |
3124 | return false; | |
c0eae66e BH |
3125 | out_overflow: |
3126 | print_overflow_msg(__func__, xdr); | |
c7848f69 TM |
3127 | *nfs_retval = -EIO; |
3128 | return false; | |
3129 | } | |
3130 | ||
3131 | static int decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected) | |
3132 | { | |
3133 | int retval; | |
3134 | ||
3135 | __decode_op_hdr(xdr, expected, &retval); | |
3136 | return retval; | |
1da177e4 LT |
3137 | } |
3138 | ||
3139 | /* Dummy routine */ | |
adfa6f98 | 3140 | static int decode_ace(struct xdr_stream *xdr, void *ace, struct nfs_client *clp) |
1da177e4 | 3141 | { |
8687b63a | 3142 | __be32 *p; |
683b57b4 | 3143 | unsigned int strlen; |
1da177e4 LT |
3144 | char *str; |
3145 | ||
c0eae66e BH |
3146 | p = xdr_inline_decode(xdr, 12); |
3147 | if (likely(p)) | |
3148 | return decode_opaque_inline(xdr, &strlen, &str); | |
3149 | print_overflow_msg(__func__, xdr); | |
3150 | return -EIO; | |
1da177e4 LT |
3151 | } |
3152 | ||
3153 | static int decode_attr_bitmap(struct xdr_stream *xdr, uint32_t *bitmap) | |
3154 | { | |
8687b63a AV |
3155 | uint32_t bmlen; |
3156 | __be32 *p; | |
1da177e4 | 3157 | |
c0eae66e BH |
3158 | p = xdr_inline_decode(xdr, 4); |
3159 | if (unlikely(!p)) | |
3160 | goto out_overflow; | |
cccddf4f | 3161 | bmlen = be32_to_cpup(p); |
1da177e4 | 3162 | |
dae100c2 | 3163 | bitmap[0] = bitmap[1] = bitmap[2] = 0; |
c0eae66e BH |
3164 | p = xdr_inline_decode(xdr, (bmlen << 2)); |
3165 | if (unlikely(!p)) | |
3166 | goto out_overflow; | |
1da177e4 | 3167 | if (bmlen > 0) { |
6f723f77 | 3168 | bitmap[0] = be32_to_cpup(p++); |
dae100c2 FI |
3169 | if (bmlen > 1) { |
3170 | bitmap[1] = be32_to_cpup(p++); | |
3171 | if (bmlen > 2) | |
3172 | bitmap[2] = be32_to_cpup(p); | |
3173 | } | |
1da177e4 LT |
3174 | } |
3175 | return 0; | |
c0eae66e BH |
3176 | out_overflow: |
3177 | print_overflow_msg(__func__, xdr); | |
3178 | return -EIO; | |
1da177e4 LT |
3179 | } |
3180 | ||
256e48bb | 3181 | static int decode_attr_length(struct xdr_stream *xdr, uint32_t *attrlen, unsigned int *savep) |
1da177e4 | 3182 | { |
8687b63a | 3183 | __be32 *p; |
1da177e4 | 3184 | |
c0eae66e BH |
3185 | p = xdr_inline_decode(xdr, 4); |
3186 | if (unlikely(!p)) | |
3187 | goto out_overflow; | |
cccddf4f | 3188 | *attrlen = be32_to_cpup(p); |
256e48bb | 3189 | *savep = xdr_stream_pos(xdr); |
1da177e4 | 3190 | return 0; |
c0eae66e BH |
3191 | out_overflow: |
3192 | print_overflow_msg(__func__, xdr); | |
3193 | return -EIO; | |
1da177e4 LT |
3194 | } |
3195 | ||
3196 | static int decode_attr_supported(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *bitmask) | |
3197 | { | |
3198 | if (likely(bitmap[0] & FATTR4_WORD0_SUPPORTED_ATTRS)) { | |
3388bff5 RB |
3199 | int ret; |
3200 | ret = decode_attr_bitmap(xdr, bitmask); | |
3201 | if (unlikely(ret < 0)) | |
3202 | return ret; | |
1da177e4 LT |
3203 | bitmap[0] &= ~FATTR4_WORD0_SUPPORTED_ATTRS; |
3204 | } else | |
dae100c2 FI |
3205 | bitmask[0] = bitmask[1] = bitmask[2] = 0; |
3206 | dprintk("%s: bitmask=%08x:%08x:%08x\n", __func__, | |
3207 | bitmask[0], bitmask[1], bitmask[2]); | |
1da177e4 LT |
3208 | return 0; |
3209 | } | |
3210 | ||
3211 | static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *type) | |
3212 | { | |
8687b63a | 3213 | __be32 *p; |
409924e4 | 3214 | int ret = 0; |
1da177e4 LT |
3215 | |
3216 | *type = 0; | |
3217 | if (unlikely(bitmap[0] & (FATTR4_WORD0_TYPE - 1U))) | |
3218 | return -EIO; | |
3219 | if (likely(bitmap[0] & FATTR4_WORD0_TYPE)) { | |
c0eae66e BH |
3220 | p = xdr_inline_decode(xdr, 4); |
3221 | if (unlikely(!p)) | |
3222 | goto out_overflow; | |
cccddf4f | 3223 | *type = be32_to_cpup(p); |
1da177e4 | 3224 | if (*type < NF4REG || *type > NF4NAMEDATTR) { |
3110ff80 | 3225 | dprintk("%s: bad type %d\n", __func__, *type); |
1da177e4 LT |
3226 | return -EIO; |
3227 | } | |
3228 | bitmap[0] &= ~FATTR4_WORD0_TYPE; | |
409924e4 | 3229 | ret = NFS_ATTR_FATTR_TYPE; |
1da177e4 | 3230 | } |
bca79478 | 3231 | dprintk("%s: type=0%o\n", __func__, nfs_type2fmt[*type]); |
409924e4 | 3232 | return ret; |
c0eae66e BH |
3233 | out_overflow: |
3234 | print_overflow_msg(__func__, xdr); | |
3235 | return -EIO; | |
1da177e4 LT |
3236 | } |
3237 | ||
264e6351 CL |
3238 | static int decode_attr_fh_expire_type(struct xdr_stream *xdr, |
3239 | uint32_t *bitmap, uint32_t *type) | |
3240 | { | |
3241 | __be32 *p; | |
3242 | ||
3243 | *type = 0; | |
3244 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FH_EXPIRE_TYPE - 1U))) | |
3245 | return -EIO; | |
3246 | if (likely(bitmap[0] & FATTR4_WORD0_FH_EXPIRE_TYPE)) { | |
3247 | p = xdr_inline_decode(xdr, 4); | |
3248 | if (unlikely(!p)) | |
3249 | goto out_overflow; | |
3250 | *type = be32_to_cpup(p); | |
3251 | bitmap[0] &= ~FATTR4_WORD0_FH_EXPIRE_TYPE; | |
3252 | } | |
3253 | dprintk("%s: expire type=0x%x\n", __func__, *type); | |
3254 | return 0; | |
3255 | out_overflow: | |
3256 | print_overflow_msg(__func__, xdr); | |
3257 | return -EIO; | |
3258 | } | |
3259 | ||
1da177e4 LT |
3260 | static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *change) |
3261 | { | |
8687b63a | 3262 | __be32 *p; |
409924e4 | 3263 | int ret = 0; |
1da177e4 LT |
3264 | |
3265 | *change = 0; | |
3266 | if (unlikely(bitmap[0] & (FATTR4_WORD0_CHANGE - 1U))) | |
3267 | return -EIO; | |
3268 | if (likely(bitmap[0] & FATTR4_WORD0_CHANGE)) { | |
c0eae66e BH |
3269 | p = xdr_inline_decode(xdr, 8); |
3270 | if (unlikely(!p)) | |
3271 | goto out_overflow; | |
cccddf4f | 3272 | xdr_decode_hyper(p, change); |
1da177e4 | 3273 | bitmap[0] &= ~FATTR4_WORD0_CHANGE; |
409924e4 | 3274 | ret = NFS_ATTR_FATTR_CHANGE; |
1da177e4 | 3275 | } |
3110ff80 | 3276 | dprintk("%s: change attribute=%Lu\n", __func__, |
1da177e4 | 3277 | (unsigned long long)*change); |
409924e4 | 3278 | return ret; |
c0eae66e BH |
3279 | out_overflow: |
3280 | print_overflow_msg(__func__, xdr); | |
3281 | return -EIO; | |
1da177e4 LT |
3282 | } |
3283 | ||
3284 | static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *size) | |
3285 | { | |
8687b63a | 3286 | __be32 *p; |
409924e4 | 3287 | int ret = 0; |
1da177e4 LT |
3288 | |
3289 | *size = 0; | |
3290 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SIZE - 1U))) | |
3291 | return -EIO; | |
3292 | if (likely(bitmap[0] & FATTR4_WORD0_SIZE)) { | |
c0eae66e BH |
3293 | p = xdr_inline_decode(xdr, 8); |
3294 | if (unlikely(!p)) | |
3295 | goto out_overflow; | |
cccddf4f | 3296 | xdr_decode_hyper(p, size); |
1da177e4 | 3297 | bitmap[0] &= ~FATTR4_WORD0_SIZE; |
409924e4 | 3298 | ret = NFS_ATTR_FATTR_SIZE; |
1da177e4 | 3299 | } |
3110ff80 | 3300 | dprintk("%s: file size=%Lu\n", __func__, (unsigned long long)*size); |
409924e4 | 3301 | return ret; |
c0eae66e BH |
3302 | out_overflow: |
3303 | print_overflow_msg(__func__, xdr); | |
3304 | return -EIO; | |
1da177e4 LT |
3305 | } |
3306 | ||
3307 | static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3308 | { | |
8687b63a | 3309 | __be32 *p; |
1da177e4 LT |
3310 | |
3311 | *res = 0; | |
3312 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LINK_SUPPORT - 1U))) | |
3313 | return -EIO; | |
3314 | if (likely(bitmap[0] & FATTR4_WORD0_LINK_SUPPORT)) { | |
c0eae66e BH |
3315 | p = xdr_inline_decode(xdr, 4); |
3316 | if (unlikely(!p)) | |
3317 | goto out_overflow; | |
cccddf4f | 3318 | *res = be32_to_cpup(p); |
1da177e4 LT |
3319 | bitmap[0] &= ~FATTR4_WORD0_LINK_SUPPORT; |
3320 | } | |
3110ff80 | 3321 | dprintk("%s: link support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 | 3322 | return 0; |
c0eae66e BH |
3323 | out_overflow: |
3324 | print_overflow_msg(__func__, xdr); | |
3325 | return -EIO; | |
1da177e4 LT |
3326 | } |
3327 | ||
3328 | static int decode_attr_symlink_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3329 | { | |
8687b63a | 3330 | __be32 *p; |
1da177e4 LT |
3331 | |
3332 | *res = 0; | |
3333 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SYMLINK_SUPPORT - 1U))) | |
3334 | return -EIO; | |
3335 | if (likely(bitmap[0] & FATTR4_WORD0_SYMLINK_SUPPORT)) { | |
c0eae66e BH |
3336 | p = xdr_inline_decode(xdr, 4); |
3337 | if (unlikely(!p)) | |
3338 | goto out_overflow; | |
cccddf4f | 3339 | *res = be32_to_cpup(p); |
1da177e4 LT |
3340 | bitmap[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT; |
3341 | } | |
3110ff80 | 3342 | dprintk("%s: symlink support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 | 3343 | return 0; |
c0eae66e BH |
3344 | out_overflow: |
3345 | print_overflow_msg(__func__, xdr); | |
3346 | return -EIO; | |
1da177e4 LT |
3347 | } |
3348 | ||
8b4bdcf8 | 3349 | static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fsid *fsid) |
1da177e4 | 3350 | { |
8687b63a | 3351 | __be32 *p; |
409924e4 | 3352 | int ret = 0; |
1da177e4 LT |
3353 | |
3354 | fsid->major = 0; | |
3355 | fsid->minor = 0; | |
3356 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FSID - 1U))) | |
3357 | return -EIO; | |
3358 | if (likely(bitmap[0] & FATTR4_WORD0_FSID)) { | |
c0eae66e BH |
3359 | p = xdr_inline_decode(xdr, 16); |
3360 | if (unlikely(!p)) | |
3361 | goto out_overflow; | |
3ceb4dbb | 3362 | p = xdr_decode_hyper(p, &fsid->major); |
cccddf4f | 3363 | xdr_decode_hyper(p, &fsid->minor); |
1da177e4 | 3364 | bitmap[0] &= ~FATTR4_WORD0_FSID; |
409924e4 | 3365 | ret = NFS_ATTR_FATTR_FSID; |
1da177e4 | 3366 | } |
3110ff80 | 3367 | dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __func__, |
1da177e4 LT |
3368 | (unsigned long long)fsid->major, |
3369 | (unsigned long long)fsid->minor); | |
409924e4 | 3370 | return ret; |
c0eae66e BH |
3371 | out_overflow: |
3372 | print_overflow_msg(__func__, xdr); | |
3373 | return -EIO; | |
1da177e4 LT |
3374 | } |
3375 | ||
3376 | static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3377 | { | |
8687b63a | 3378 | __be32 *p; |
1da177e4 LT |
3379 | |
3380 | *res = 60; | |
3381 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LEASE_TIME - 1U))) | |
3382 | return -EIO; | |
3383 | if (likely(bitmap[0] & FATTR4_WORD0_LEASE_TIME)) { | |
c0eae66e BH |
3384 | p = xdr_inline_decode(xdr, 4); |
3385 | if (unlikely(!p)) | |
3386 | goto out_overflow; | |
cccddf4f | 3387 | *res = be32_to_cpup(p); |
1da177e4 LT |
3388 | bitmap[0] &= ~FATTR4_WORD0_LEASE_TIME; |
3389 | } | |
3110ff80 | 3390 | dprintk("%s: file size=%u\n", __func__, (unsigned int)*res); |
1da177e4 | 3391 | return 0; |
c0eae66e BH |
3392 | out_overflow: |
3393 | print_overflow_msg(__func__, xdr); | |
3394 | return -EIO; | |
1da177e4 LT |
3395 | } |
3396 | ||
ee7b75fc | 3397 | static int decode_attr_error(struct xdr_stream *xdr, uint32_t *bitmap, int32_t *res) |
ae42c70a BS |
3398 | { |
3399 | __be32 *p; | |
3400 | ||
3401 | if (unlikely(bitmap[0] & (FATTR4_WORD0_RDATTR_ERROR - 1U))) | |
3402 | return -EIO; | |
3403 | if (likely(bitmap[0] & FATTR4_WORD0_RDATTR_ERROR)) { | |
3404 | p = xdr_inline_decode(xdr, 4); | |
3405 | if (unlikely(!p)) | |
3406 | goto out_overflow; | |
3407 | bitmap[0] &= ~FATTR4_WORD0_RDATTR_ERROR; | |
ee7b75fc | 3408 | *res = -be32_to_cpup(p); |
ae42c70a BS |
3409 | } |
3410 | return 0; | |
3411 | out_overflow: | |
3412 | print_overflow_msg(__func__, xdr); | |
3413 | return -EIO; | |
3414 | } | |
3415 | ||
8c61282f KM |
3416 | static int decode_attr_exclcreat_supported(struct xdr_stream *xdr, |
3417 | uint32_t *bitmap, uint32_t *bitmask) | |
3418 | { | |
3419 | if (likely(bitmap[2] & FATTR4_WORD2_SUPPATTR_EXCLCREAT)) { | |
3420 | int ret; | |
3421 | ret = decode_attr_bitmap(xdr, bitmask); | |
3422 | if (unlikely(ret < 0)) | |
3423 | return ret; | |
3424 | bitmap[2] &= ~FATTR4_WORD2_SUPPATTR_EXCLCREAT; | |
3425 | } else | |
3426 | bitmask[0] = bitmask[1] = bitmask[2] = 0; | |
3427 | dprintk("%s: bitmask=%08x:%08x:%08x\n", __func__, | |
3428 | bitmask[0], bitmask[1], bitmask[2]); | |
3429 | return 0; | |
3430 | } | |
3431 | ||
ae42c70a BS |
3432 | static int decode_attr_filehandle(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fh *fh) |
3433 | { | |
3434 | __be32 *p; | |
3435 | int len; | |
3436 | ||
7ad07353 TM |
3437 | if (fh != NULL) |
3438 | memset(fh, 0, sizeof(*fh)); | |
ae42c70a BS |
3439 | |
3440 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEHANDLE - 1U))) | |
3441 | return -EIO; | |
3442 | if (likely(bitmap[0] & FATTR4_WORD0_FILEHANDLE)) { | |
3443 | p = xdr_inline_decode(xdr, 4); | |
3444 | if (unlikely(!p)) | |
3445 | goto out_overflow; | |
3446 | len = be32_to_cpup(p); | |
3447 | if (len > NFS4_FHSIZE) | |
3448 | return -EIO; | |
ae42c70a BS |
3449 | p = xdr_inline_decode(xdr, len); |
3450 | if (unlikely(!p)) | |
3451 | goto out_overflow; | |
7ad07353 TM |
3452 | if (fh != NULL) { |
3453 | memcpy(fh->data, p, len); | |
3454 | fh->size = len; | |
3455 | } | |
ae42c70a BS |
3456 | bitmap[0] &= ~FATTR4_WORD0_FILEHANDLE; |
3457 | } | |
3458 | return 0; | |
3459 | out_overflow: | |
3460 | print_overflow_msg(__func__, xdr); | |
3461 | return -EIO; | |
3462 | } | |
3463 | ||
1da177e4 LT |
3464 | static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) |
3465 | { | |
8687b63a | 3466 | __be32 *p; |
1da177e4 | 3467 | |
a1800aca | 3468 | *res = 0; |
1da177e4 LT |
3469 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACLSUPPORT - 1U))) |
3470 | return -EIO; | |
3471 | if (likely(bitmap[0] & FATTR4_WORD0_ACLSUPPORT)) { | |
c0eae66e BH |
3472 | p = xdr_inline_decode(xdr, 4); |
3473 | if (unlikely(!p)) | |
3474 | goto out_overflow; | |
cccddf4f | 3475 | *res = be32_to_cpup(p); |
1da177e4 LT |
3476 | bitmap[0] &= ~FATTR4_WORD0_ACLSUPPORT; |
3477 | } | |
3110ff80 | 3478 | dprintk("%s: ACLs supported=%u\n", __func__, (unsigned int)*res); |
1da177e4 | 3479 | return 0; |
c0eae66e BH |
3480 | out_overflow: |
3481 | print_overflow_msg(__func__, xdr); | |
3482 | return -EIO; | |
1da177e4 LT |
3483 | } |
3484 | ||
3485 | static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) | |
3486 | { | |
8687b63a | 3487 | __be32 *p; |
409924e4 | 3488 | int ret = 0; |
1da177e4 LT |
3489 | |
3490 | *fileid = 0; | |
3491 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEID - 1U))) | |
3492 | return -EIO; | |
3493 | if (likely(bitmap[0] & FATTR4_WORD0_FILEID)) { | |
c0eae66e BH |
3494 | p = xdr_inline_decode(xdr, 8); |
3495 | if (unlikely(!p)) | |
3496 | goto out_overflow; | |
cccddf4f | 3497 | xdr_decode_hyper(p, fileid); |
1da177e4 | 3498 | bitmap[0] &= ~FATTR4_WORD0_FILEID; |
409924e4 | 3499 | ret = NFS_ATTR_FATTR_FILEID; |
1da177e4 | 3500 | } |
3110ff80 | 3501 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
409924e4 | 3502 | return ret; |
c0eae66e BH |
3503 | out_overflow: |
3504 | print_overflow_msg(__func__, xdr); | |
3505 | return -EIO; | |
1da177e4 LT |
3506 | } |
3507 | ||
99baf625 MN |
3508 | static int decode_attr_mounted_on_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) |
3509 | { | |
8687b63a | 3510 | __be32 *p; |
409924e4 | 3511 | int ret = 0; |
99baf625 MN |
3512 | |
3513 | *fileid = 0; | |
3514 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MOUNTED_ON_FILEID - 1U))) | |
3515 | return -EIO; | |
3516 | if (likely(bitmap[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) { | |
c0eae66e BH |
3517 | p = xdr_inline_decode(xdr, 8); |
3518 | if (unlikely(!p)) | |
3519 | goto out_overflow; | |
cccddf4f | 3520 | xdr_decode_hyper(p, fileid); |
99baf625 | 3521 | bitmap[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID; |
28331a46 | 3522 | ret = NFS_ATTR_FATTR_MOUNTED_ON_FILEID; |
99baf625 | 3523 | } |
3110ff80 | 3524 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
409924e4 | 3525 | return ret; |
c0eae66e BH |
3526 | out_overflow: |
3527 | print_overflow_msg(__func__, xdr); | |
3528 | return -EIO; | |
99baf625 MN |
3529 | } |
3530 | ||
1da177e4 LT |
3531 | static int decode_attr_files_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
3532 | { | |
8687b63a | 3533 | __be32 *p; |
1da177e4 LT |
3534 | int status = 0; |
3535 | ||
3536 | *res = 0; | |
3537 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_AVAIL - 1U))) | |
3538 | return -EIO; | |
3539 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_AVAIL)) { | |
c0eae66e BH |
3540 | p = xdr_inline_decode(xdr, 8); |
3541 | if (unlikely(!p)) | |
3542 | goto out_overflow; | |
cccddf4f | 3543 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3544 | bitmap[0] &= ~FATTR4_WORD0_FILES_AVAIL; |
3545 | } | |
3110ff80 | 3546 | dprintk("%s: files avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3547 | return status; |
c0eae66e BH |
3548 | out_overflow: |
3549 | print_overflow_msg(__func__, xdr); | |
3550 | return -EIO; | |
1da177e4 LT |
3551 | } |
3552 | ||
3553 | static int decode_attr_files_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3554 | { | |
8687b63a | 3555 | __be32 *p; |
1da177e4 LT |
3556 | int status = 0; |
3557 | ||
3558 | *res = 0; | |
3559 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_FREE - 1U))) | |
3560 | return -EIO; | |
3561 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_FREE)) { | |
c0eae66e BH |
3562 | p = xdr_inline_decode(xdr, 8); |
3563 | if (unlikely(!p)) | |
3564 | goto out_overflow; | |
cccddf4f | 3565 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3566 | bitmap[0] &= ~FATTR4_WORD0_FILES_FREE; |
3567 | } | |
3110ff80 | 3568 | dprintk("%s: files free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3569 | return status; |
c0eae66e BH |
3570 | out_overflow: |
3571 | print_overflow_msg(__func__, xdr); | |
3572 | return -EIO; | |
1da177e4 LT |
3573 | } |
3574 | ||
3575 | static int decode_attr_files_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3576 | { | |
8687b63a | 3577 | __be32 *p; |
1da177e4 LT |
3578 | int status = 0; |
3579 | ||
3580 | *res = 0; | |
3581 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_TOTAL - 1U))) | |
3582 | return -EIO; | |
3583 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_TOTAL)) { | |
c0eae66e BH |
3584 | p = xdr_inline_decode(xdr, 8); |
3585 | if (unlikely(!p)) | |
3586 | goto out_overflow; | |
cccddf4f | 3587 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3588 | bitmap[0] &= ~FATTR4_WORD0_FILES_TOTAL; |
3589 | } | |
3110ff80 | 3590 | dprintk("%s: files total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3591 | return status; |
c0eae66e BH |
3592 | out_overflow: |
3593 | print_overflow_msg(__func__, xdr); | |
3594 | return -EIO; | |
1da177e4 LT |
3595 | } |
3596 | ||
7aaa0b3b MN |
3597 | static int decode_pathname(struct xdr_stream *xdr, struct nfs4_pathname *path) |
3598 | { | |
464ad6b1 | 3599 | u32 n; |
8687b63a | 3600 | __be32 *p; |
7aaa0b3b MN |
3601 | int status = 0; |
3602 | ||
c0eae66e BH |
3603 | p = xdr_inline_decode(xdr, 4); |
3604 | if (unlikely(!p)) | |
3605 | goto out_overflow; | |
cccddf4f | 3606 | n = be32_to_cpup(p); |
33a43f28 AA |
3607 | if (n == 0) |
3608 | goto root_path; | |
02a2976c | 3609 | dprintk("pathname4: "); |
809b426c TM |
3610 | if (n > NFS4_PATHNAME_MAXCOMPONENTS) { |
3611 | dprintk("cannot parse %d components in path\n", n); | |
3612 | goto out_eio; | |
3613 | } | |
3614 | for (path->ncomponents = 0; path->ncomponents < n; path->ncomponents++) { | |
7aaa0b3b MN |
3615 | struct nfs4_string *component = &path->components[path->ncomponents]; |
3616 | status = decode_opaque_inline(xdr, &component->len, &component->data); | |
3617 | if (unlikely(status != 0)) | |
3618 | goto out_eio; | |
95a13f7b | 3619 | ifdebug (XDR) |
02a2976c CL |
3620 | pr_cont("%s%.*s ", |
3621 | (path->ncomponents != n ? "/ " : ""), | |
3622 | component->len, component->data); | |
7aaa0b3b MN |
3623 | } |
3624 | out: | |
7aaa0b3b | 3625 | return status; |
33a43f28 AA |
3626 | root_path: |
3627 | /* a root pathname is sent as a zero component4 */ | |
3628 | path->ncomponents = 1; | |
3629 | path->components[0].len=0; | |
3630 | path->components[0].data=NULL; | |
02a2976c | 3631 | dprintk("pathname4: /\n"); |
33a43f28 | 3632 | goto out; |
7aaa0b3b MN |
3633 | out_eio: |
3634 | dprintk(" status %d", status); | |
3635 | status = -EIO; | |
3636 | goto out; | |
c0eae66e BH |
3637 | out_overflow: |
3638 | print_overflow_msg(__func__, xdr); | |
3639 | return -EIO; | |
7aaa0b3b MN |
3640 | } |
3641 | ||
3642 | static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_fs_locations *res) | |
683b57b4 TM |
3643 | { |
3644 | int n; | |
8687b63a | 3645 | __be32 *p; |
683b57b4 TM |
3646 | int status = -EIO; |
3647 | ||
3648 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FS_LOCATIONS -1U))) | |
3649 | goto out; | |
3650 | status = 0; | |
3651 | if (unlikely(!(bitmap[0] & FATTR4_WORD0_FS_LOCATIONS))) | |
3652 | goto out; | |
f54423a1 | 3653 | bitmap[0] &= ~FATTR4_WORD0_FS_LOCATIONS; |
8b7e3f49 TM |
3654 | status = -EIO; |
3655 | /* Ignore borken servers that return unrequested attrs */ | |
3656 | if (unlikely(res == NULL)) | |
3657 | goto out; | |
02a2976c | 3658 | dprintk("%s: fsroot:\n", __func__); |
7aaa0b3b | 3659 | status = decode_pathname(xdr, &res->fs_path); |
683b57b4 TM |
3660 | if (unlikely(status != 0)) |
3661 | goto out; | |
c0eae66e BH |
3662 | p = xdr_inline_decode(xdr, 4); |
3663 | if (unlikely(!p)) | |
3664 | goto out_overflow; | |
cccddf4f | 3665 | n = be32_to_cpup(p); |
683b57b4 TM |
3666 | if (n <= 0) |
3667 | goto out_eio; | |
809b426c | 3668 | for (res->nlocations = 0; res->nlocations < n; res->nlocations++) { |
464ad6b1 | 3669 | u32 m; |
809b426c | 3670 | struct nfs4_fs_location *loc; |
683b57b4 | 3671 | |
809b426c TM |
3672 | if (res->nlocations == NFS4_FS_LOCATIONS_MAXENTRIES) |
3673 | break; | |
3674 | loc = &res->locations[res->nlocations]; | |
c0eae66e BH |
3675 | p = xdr_inline_decode(xdr, 4); |
3676 | if (unlikely(!p)) | |
3677 | goto out_overflow; | |
cccddf4f | 3678 | m = be32_to_cpup(p); |
7aaa0b3b | 3679 | |
02a2976c | 3680 | dprintk("%s: servers:\n", __func__); |
809b426c TM |
3681 | for (loc->nservers = 0; loc->nservers < m; loc->nservers++) { |
3682 | struct nfs4_string *server; | |
3683 | ||
3684 | if (loc->nservers == NFS4_FS_LOCATION_MAXSERVERS) { | |
464ad6b1 CL |
3685 | unsigned int i; |
3686 | dprintk("%s: using first %u of %u servers " | |
3687 | "returned for location %u\n", | |
3110ff80 | 3688 | __func__, |
464ad6b1 CL |
3689 | NFS4_FS_LOCATION_MAXSERVERS, |
3690 | m, res->nlocations); | |
7aaa0b3b | 3691 | for (i = loc->nservers; i < m; i++) { |
2e42c3e2 | 3692 | unsigned int len; |
7aaa0b3b MN |
3693 | char *data; |
3694 | status = decode_opaque_inline(xdr, &len, &data); | |
3695 | if (unlikely(status != 0)) | |
3696 | goto out_eio; | |
3697 | } | |
809b426c | 3698 | break; |
7aaa0b3b | 3699 | } |
809b426c TM |
3700 | server = &loc->servers[loc->nservers]; |
3701 | status = decode_opaque_inline(xdr, &server->len, &server->data); | |
3702 | if (unlikely(status != 0)) | |
3703 | goto out_eio; | |
3704 | dprintk("%s ", server->data); | |
7aaa0b3b MN |
3705 | } |
3706 | status = decode_pathname(xdr, &loc->rootpath); | |
683b57b4 TM |
3707 | if (unlikely(status != 0)) |
3708 | goto out_eio; | |
683b57b4 | 3709 | } |
409924e4 | 3710 | if (res->nlocations != 0) |
81934ddb | 3711 | status = NFS_ATTR_FATTR_V4_LOCATIONS; |
683b57b4 | 3712 | out: |
3110ff80 | 3713 | dprintk("%s: fs_locations done, error = %d\n", __func__, status); |
683b57b4 | 3714 | return status; |
c0eae66e BH |
3715 | out_overflow: |
3716 | print_overflow_msg(__func__, xdr); | |
683b57b4 TM |
3717 | out_eio: |
3718 | status = -EIO; | |
3719 | goto out; | |
3720 | } | |
3721 | ||
1da177e4 LT |
3722 | static int decode_attr_maxfilesize(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
3723 | { | |
8687b63a | 3724 | __be32 *p; |
1da177e4 LT |
3725 | int status = 0; |
3726 | ||
3727 | *res = 0; | |
3728 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXFILESIZE - 1U))) | |
3729 | return -EIO; | |
3730 | if (likely(bitmap[0] & FATTR4_WORD0_MAXFILESIZE)) { | |
c0eae66e BH |
3731 | p = xdr_inline_decode(xdr, 8); |
3732 | if (unlikely(!p)) | |
3733 | goto out_overflow; | |
cccddf4f | 3734 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3735 | bitmap[0] &= ~FATTR4_WORD0_MAXFILESIZE; |
3736 | } | |
3110ff80 | 3737 | dprintk("%s: maxfilesize=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3738 | return status; |
c0eae66e BH |
3739 | out_overflow: |
3740 | print_overflow_msg(__func__, xdr); | |
3741 | return -EIO; | |
1da177e4 LT |
3742 | } |
3743 | ||
3744 | static int decode_attr_maxlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxlink) | |
3745 | { | |
8687b63a | 3746 | __be32 *p; |
1da177e4 LT |
3747 | int status = 0; |
3748 | ||
3749 | *maxlink = 1; | |
3750 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXLINK - 1U))) | |
3751 | return -EIO; | |
3752 | if (likely(bitmap[0] & FATTR4_WORD0_MAXLINK)) { | |
c0eae66e BH |
3753 | p = xdr_inline_decode(xdr, 4); |
3754 | if (unlikely(!p)) | |
3755 | goto out_overflow; | |
cccddf4f | 3756 | *maxlink = be32_to_cpup(p); |
1da177e4 LT |
3757 | bitmap[0] &= ~FATTR4_WORD0_MAXLINK; |
3758 | } | |
3110ff80 | 3759 | dprintk("%s: maxlink=%u\n", __func__, *maxlink); |
1da177e4 | 3760 | return status; |
c0eae66e BH |
3761 | out_overflow: |
3762 | print_overflow_msg(__func__, xdr); | |
3763 | return -EIO; | |
1da177e4 LT |
3764 | } |
3765 | ||
3766 | static int decode_attr_maxname(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxname) | |
3767 | { | |
8687b63a | 3768 | __be32 *p; |
1da177e4 LT |
3769 | int status = 0; |
3770 | ||
3771 | *maxname = 1024; | |
3772 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXNAME - 1U))) | |
3773 | return -EIO; | |
3774 | if (likely(bitmap[0] & FATTR4_WORD0_MAXNAME)) { | |
c0eae66e BH |
3775 | p = xdr_inline_decode(xdr, 4); |
3776 | if (unlikely(!p)) | |
3777 | goto out_overflow; | |
cccddf4f | 3778 | *maxname = be32_to_cpup(p); |
1da177e4 LT |
3779 | bitmap[0] &= ~FATTR4_WORD0_MAXNAME; |
3780 | } | |
3110ff80 | 3781 | dprintk("%s: maxname=%u\n", __func__, *maxname); |
1da177e4 | 3782 | return status; |
c0eae66e BH |
3783 | out_overflow: |
3784 | print_overflow_msg(__func__, xdr); | |
3785 | return -EIO; | |
1da177e4 LT |
3786 | } |
3787 | ||
3788 | static int decode_attr_maxread(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3789 | { | |
8687b63a | 3790 | __be32 *p; |
1da177e4 LT |
3791 | int status = 0; |
3792 | ||
3793 | *res = 1024; | |
3794 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXREAD - 1U))) | |
3795 | return -EIO; | |
3796 | if (likely(bitmap[0] & FATTR4_WORD0_MAXREAD)) { | |
3797 | uint64_t maxread; | |
c0eae66e BH |
3798 | p = xdr_inline_decode(xdr, 8); |
3799 | if (unlikely(!p)) | |
3800 | goto out_overflow; | |
cccddf4f | 3801 | xdr_decode_hyper(p, &maxread); |
1da177e4 LT |
3802 | if (maxread > 0x7FFFFFFF) |
3803 | maxread = 0x7FFFFFFF; | |
3804 | *res = (uint32_t)maxread; | |
3805 | bitmap[0] &= ~FATTR4_WORD0_MAXREAD; | |
3806 | } | |
3110ff80 | 3807 | dprintk("%s: maxread=%lu\n", __func__, (unsigned long)*res); |
1da177e4 | 3808 | return status; |
c0eae66e BH |
3809 | out_overflow: |
3810 | print_overflow_msg(__func__, xdr); | |
3811 | return -EIO; | |
1da177e4 LT |
3812 | } |
3813 | ||
3814 | static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3815 | { | |
8687b63a | 3816 | __be32 *p; |
1da177e4 LT |
3817 | int status = 0; |
3818 | ||
3819 | *res = 1024; | |
3820 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXWRITE - 1U))) | |
3821 | return -EIO; | |
3822 | if (likely(bitmap[0] & FATTR4_WORD0_MAXWRITE)) { | |
3823 | uint64_t maxwrite; | |
c0eae66e BH |
3824 | p = xdr_inline_decode(xdr, 8); |
3825 | if (unlikely(!p)) | |
3826 | goto out_overflow; | |
cccddf4f | 3827 | xdr_decode_hyper(p, &maxwrite); |
1da177e4 LT |
3828 | if (maxwrite > 0x7FFFFFFF) |
3829 | maxwrite = 0x7FFFFFFF; | |
3830 | *res = (uint32_t)maxwrite; | |
3831 | bitmap[0] &= ~FATTR4_WORD0_MAXWRITE; | |
3832 | } | |
3110ff80 | 3833 | dprintk("%s: maxwrite=%lu\n", __func__, (unsigned long)*res); |
1da177e4 | 3834 | return status; |
c0eae66e BH |
3835 | out_overflow: |
3836 | print_overflow_msg(__func__, xdr); | |
3837 | return -EIO; | |
1da177e4 LT |
3838 | } |
3839 | ||
bca79478 | 3840 | static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, umode_t *mode) |
1da177e4 | 3841 | { |
bca79478 | 3842 | uint32_t tmp; |
8687b63a | 3843 | __be32 *p; |
409924e4 | 3844 | int ret = 0; |
1da177e4 LT |
3845 | |
3846 | *mode = 0; | |
3847 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MODE - 1U))) | |
3848 | return -EIO; | |
3849 | if (likely(bitmap[1] & FATTR4_WORD1_MODE)) { | |
c0eae66e BH |
3850 | p = xdr_inline_decode(xdr, 4); |
3851 | if (unlikely(!p)) | |
3852 | goto out_overflow; | |
cccddf4f | 3853 | tmp = be32_to_cpup(p); |
bca79478 | 3854 | *mode = tmp & ~S_IFMT; |
1da177e4 | 3855 | bitmap[1] &= ~FATTR4_WORD1_MODE; |
409924e4 | 3856 | ret = NFS_ATTR_FATTR_MODE; |
1da177e4 | 3857 | } |
3110ff80 | 3858 | dprintk("%s: file mode=0%o\n", __func__, (unsigned int)*mode); |
409924e4 | 3859 | return ret; |
c0eae66e BH |
3860 | out_overflow: |
3861 | print_overflow_msg(__func__, xdr); | |
3862 | return -EIO; | |
1da177e4 LT |
3863 | } |
3864 | ||
3865 | static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *nlink) | |
3866 | { | |
8687b63a | 3867 | __be32 *p; |
409924e4 | 3868 | int ret = 0; |
1da177e4 LT |
3869 | |
3870 | *nlink = 1; | |
3871 | if (unlikely(bitmap[1] & (FATTR4_WORD1_NUMLINKS - 1U))) | |
3872 | return -EIO; | |
3873 | if (likely(bitmap[1] & FATTR4_WORD1_NUMLINKS)) { | |
c0eae66e BH |
3874 | p = xdr_inline_decode(xdr, 4); |
3875 | if (unlikely(!p)) | |
3876 | goto out_overflow; | |
cccddf4f | 3877 | *nlink = be32_to_cpup(p); |
1da177e4 | 3878 | bitmap[1] &= ~FATTR4_WORD1_NUMLINKS; |
409924e4 | 3879 | ret = NFS_ATTR_FATTR_NLINK; |
1da177e4 | 3880 | } |
3110ff80 | 3881 | dprintk("%s: nlink=%u\n", __func__, (unsigned int)*nlink); |
409924e4 | 3882 | return ret; |
c0eae66e BH |
3883 | out_overflow: |
3884 | print_overflow_msg(__func__, xdr); | |
3885 | return -EIO; | |
1da177e4 LT |
3886 | } |
3887 | ||
80e52ace | 3888 | static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, |
e5782076 | 3889 | const struct nfs_server *server, kuid_t *uid, |
6926afd1 | 3890 | struct nfs4_string *owner_name) |
1da177e4 | 3891 | { |
8687b63a AV |
3892 | uint32_t len; |
3893 | __be32 *p; | |
409924e4 | 3894 | int ret = 0; |
1da177e4 | 3895 | |
e5782076 | 3896 | *uid = make_kuid(&init_user_ns, -2); |
1da177e4 LT |
3897 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER - 1U))) |
3898 | return -EIO; | |
3899 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER)) { | |
c0eae66e BH |
3900 | p = xdr_inline_decode(xdr, 4); |
3901 | if (unlikely(!p)) | |
3902 | goto out_overflow; | |
cccddf4f | 3903 | len = be32_to_cpup(p); |
c0eae66e BH |
3904 | p = xdr_inline_decode(xdr, len); |
3905 | if (unlikely(!p)) | |
3906 | goto out_overflow; | |
6926afd1 TM |
3907 | if (owner_name != NULL) { |
3908 | owner_name->data = kmemdup(p, len, GFP_NOWAIT); | |
3909 | if (owner_name->data != NULL) { | |
3910 | owner_name->len = len; | |
3911 | ret = NFS_ATTR_FATTR_OWNER_NAME; | |
3912 | } | |
80e52ace | 3913 | } else if (len < XDR_MAX_NETOBJ) { |
e4fd72a1 | 3914 | if (nfs_map_name_to_uid(server, (char *)p, len, uid) == 0) |
409924e4 TM |
3915 | ret = NFS_ATTR_FATTR_OWNER; |
3916 | else | |
1da177e4 | 3917 | dprintk("%s: nfs_map_name_to_uid failed!\n", |
3110ff80 | 3918 | __func__); |
1da177e4 | 3919 | } else |
fe82a183 | 3920 | dprintk("%s: name too long (%u)!\n", |
3110ff80 | 3921 | __func__, len); |
1da177e4 LT |
3922 | bitmap[1] &= ~FATTR4_WORD1_OWNER; |
3923 | } | |
e5782076 | 3924 | dprintk("%s: uid=%d\n", __func__, (int)from_kuid(&init_user_ns, *uid)); |
409924e4 | 3925 | return ret; |
c0eae66e BH |
3926 | out_overflow: |
3927 | print_overflow_msg(__func__, xdr); | |
3928 | return -EIO; | |
1da177e4 LT |
3929 | } |
3930 | ||
80e52ace | 3931 | static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, |
e5782076 | 3932 | const struct nfs_server *server, kgid_t *gid, |
6926afd1 | 3933 | struct nfs4_string *group_name) |
1da177e4 | 3934 | { |
8687b63a AV |
3935 | uint32_t len; |
3936 | __be32 *p; | |
409924e4 | 3937 | int ret = 0; |
1da177e4 | 3938 | |
e5782076 | 3939 | *gid = make_kgid(&init_user_ns, -2); |
1da177e4 LT |
3940 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER_GROUP - 1U))) |
3941 | return -EIO; | |
3942 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER_GROUP)) { | |
c0eae66e BH |
3943 | p = xdr_inline_decode(xdr, 4); |
3944 | if (unlikely(!p)) | |
3945 | goto out_overflow; | |
cccddf4f | 3946 | len = be32_to_cpup(p); |
c0eae66e BH |
3947 | p = xdr_inline_decode(xdr, len); |
3948 | if (unlikely(!p)) | |
3949 | goto out_overflow; | |
6926afd1 TM |
3950 | if (group_name != NULL) { |
3951 | group_name->data = kmemdup(p, len, GFP_NOWAIT); | |
3952 | if (group_name->data != NULL) { | |
3953 | group_name->len = len; | |
3954 | ret = NFS_ATTR_FATTR_GROUP_NAME; | |
3955 | } | |
80e52ace | 3956 | } else if (len < XDR_MAX_NETOBJ) { |
e4fd72a1 | 3957 | if (nfs_map_group_to_gid(server, (char *)p, len, gid) == 0) |
409924e4 TM |
3958 | ret = NFS_ATTR_FATTR_GROUP; |
3959 | else | |
1da177e4 | 3960 | dprintk("%s: nfs_map_group_to_gid failed!\n", |
3110ff80 | 3961 | __func__); |
1da177e4 | 3962 | } else |
fe82a183 | 3963 | dprintk("%s: name too long (%u)!\n", |
3110ff80 | 3964 | __func__, len); |
1da177e4 LT |
3965 | bitmap[1] &= ~FATTR4_WORD1_OWNER_GROUP; |
3966 | } | |
e5782076 | 3967 | dprintk("%s: gid=%d\n", __func__, (int)from_kgid(&init_user_ns, *gid)); |
409924e4 | 3968 | return ret; |
c0eae66e BH |
3969 | out_overflow: |
3970 | print_overflow_msg(__func__, xdr); | |
3971 | return -EIO; | |
1da177e4 LT |
3972 | } |
3973 | ||
3974 | static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rdev) | |
3975 | { | |
8687b63a AV |
3976 | uint32_t major = 0, minor = 0; |
3977 | __be32 *p; | |
409924e4 | 3978 | int ret = 0; |
1da177e4 LT |
3979 | |
3980 | *rdev = MKDEV(0,0); | |
3981 | if (unlikely(bitmap[1] & (FATTR4_WORD1_RAWDEV - 1U))) | |
3982 | return -EIO; | |
3983 | if (likely(bitmap[1] & FATTR4_WORD1_RAWDEV)) { | |
3984 | dev_t tmp; | |
3985 | ||
c0eae66e BH |
3986 | p = xdr_inline_decode(xdr, 8); |
3987 | if (unlikely(!p)) | |
3988 | goto out_overflow; | |
6f723f77 | 3989 | major = be32_to_cpup(p++); |
cccddf4f | 3990 | minor = be32_to_cpup(p); |
1da177e4 LT |
3991 | tmp = MKDEV(major, minor); |
3992 | if (MAJOR(tmp) == major && MINOR(tmp) == minor) | |
3993 | *rdev = tmp; | |
3994 | bitmap[1] &= ~ FATTR4_WORD1_RAWDEV; | |
409924e4 | 3995 | ret = NFS_ATTR_FATTR_RDEV; |
1da177e4 | 3996 | } |
3110ff80 | 3997 | dprintk("%s: rdev=(0x%x:0x%x)\n", __func__, major, minor); |
409924e4 | 3998 | return ret; |
c0eae66e BH |
3999 | out_overflow: |
4000 | print_overflow_msg(__func__, xdr); | |
4001 | return -EIO; | |
1da177e4 LT |
4002 | } |
4003 | ||
4004 | static int decode_attr_space_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
4005 | { | |
8687b63a | 4006 | __be32 *p; |
1da177e4 LT |
4007 | int status = 0; |
4008 | ||
4009 | *res = 0; | |
4010 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_AVAIL - 1U))) | |
4011 | return -EIO; | |
4012 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_AVAIL)) { | |
c0eae66e BH |
4013 | p = xdr_inline_decode(xdr, 8); |
4014 | if (unlikely(!p)) | |
4015 | goto out_overflow; | |
cccddf4f | 4016 | xdr_decode_hyper(p, res); |
1da177e4 LT |
4017 | bitmap[1] &= ~FATTR4_WORD1_SPACE_AVAIL; |
4018 | } | |
3110ff80 | 4019 | dprintk("%s: space avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 4020 | return status; |
c0eae66e BH |
4021 | out_overflow: |
4022 | print_overflow_msg(__func__, xdr); | |
4023 | return -EIO; | |
1da177e4 LT |
4024 | } |
4025 | ||
4026 | static int decode_attr_space_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
4027 | { | |
8687b63a | 4028 | __be32 *p; |
1da177e4 LT |
4029 | int status = 0; |
4030 | ||
4031 | *res = 0; | |
4032 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_FREE - 1U))) | |
4033 | return -EIO; | |
4034 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_FREE)) { | |
c0eae66e BH |
4035 | p = xdr_inline_decode(xdr, 8); |
4036 | if (unlikely(!p)) | |
4037 | goto out_overflow; | |
cccddf4f | 4038 | xdr_decode_hyper(p, res); |
1da177e4 LT |
4039 | bitmap[1] &= ~FATTR4_WORD1_SPACE_FREE; |
4040 | } | |
3110ff80 | 4041 | dprintk("%s: space free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 4042 | return status; |
c0eae66e BH |
4043 | out_overflow: |
4044 | print_overflow_msg(__func__, xdr); | |
4045 | return -EIO; | |
1da177e4 LT |
4046 | } |
4047 | ||
4048 | static int decode_attr_space_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
4049 | { | |
8687b63a | 4050 | __be32 *p; |
1da177e4 LT |
4051 | int status = 0; |
4052 | ||
4053 | *res = 0; | |
4054 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_TOTAL - 1U))) | |
4055 | return -EIO; | |
4056 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_TOTAL)) { | |
c0eae66e BH |
4057 | p = xdr_inline_decode(xdr, 8); |
4058 | if (unlikely(!p)) | |
4059 | goto out_overflow; | |
cccddf4f | 4060 | xdr_decode_hyper(p, res); |
1da177e4 LT |
4061 | bitmap[1] &= ~FATTR4_WORD1_SPACE_TOTAL; |
4062 | } | |
3110ff80 | 4063 | dprintk("%s: space total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 4064 | return status; |
c0eae66e BH |
4065 | out_overflow: |
4066 | print_overflow_msg(__func__, xdr); | |
4067 | return -EIO; | |
1da177e4 LT |
4068 | } |
4069 | ||
4070 | static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *used) | |
4071 | { | |
8687b63a | 4072 | __be32 *p; |
409924e4 | 4073 | int ret = 0; |
1da177e4 LT |
4074 | |
4075 | *used = 0; | |
4076 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_USED - 1U))) | |
4077 | return -EIO; | |
4078 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_USED)) { | |
c0eae66e BH |
4079 | p = xdr_inline_decode(xdr, 8); |
4080 | if (unlikely(!p)) | |
4081 | goto out_overflow; | |
cccddf4f | 4082 | xdr_decode_hyper(p, used); |
1da177e4 | 4083 | bitmap[1] &= ~FATTR4_WORD1_SPACE_USED; |
409924e4 | 4084 | ret = NFS_ATTR_FATTR_SPACE_USED; |
1da177e4 | 4085 | } |
3110ff80 | 4086 | dprintk("%s: space used=%Lu\n", __func__, |
1da177e4 | 4087 | (unsigned long long)*used); |
409924e4 | 4088 | return ret; |
c0eae66e BH |
4089 | out_overflow: |
4090 | print_overflow_msg(__func__, xdr); | |
4091 | return -EIO; | |
1da177e4 LT |
4092 | } |
4093 | ||
4094 | static int decode_attr_time(struct xdr_stream *xdr, struct timespec *time) | |
4095 | { | |
8687b63a | 4096 | __be32 *p; |
1da177e4 LT |
4097 | uint64_t sec; |
4098 | uint32_t nsec; | |
4099 | ||
c0eae66e BH |
4100 | p = xdr_inline_decode(xdr, 12); |
4101 | if (unlikely(!p)) | |
4102 | goto out_overflow; | |
3ceb4dbb | 4103 | p = xdr_decode_hyper(p, &sec); |
cccddf4f | 4104 | nsec = be32_to_cpup(p); |
1da177e4 LT |
4105 | time->tv_sec = (time_t)sec; |
4106 | time->tv_nsec = (long)nsec; | |
4107 | return 0; | |
c0eae66e BH |
4108 | out_overflow: |
4109 | print_overflow_msg(__func__, xdr); | |
4110 | return -EIO; | |
1da177e4 LT |
4111 | } |
4112 | ||
4113 | static int decode_attr_time_access(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
4114 | { | |
4115 | int status = 0; | |
4116 | ||
4117 | time->tv_sec = 0; | |
4118 | time->tv_nsec = 0; | |
4119 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_ACCESS - 1U))) | |
4120 | return -EIO; | |
4121 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_ACCESS)) { | |
4122 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4123 | if (status == 0) |
4124 | status = NFS_ATTR_FATTR_ATIME; | |
1da177e4 LT |
4125 | bitmap[1] &= ~FATTR4_WORD1_TIME_ACCESS; |
4126 | } | |
3110ff80 | 4127 | dprintk("%s: atime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
4128 | return status; |
4129 | } | |
4130 | ||
4131 | static int decode_attr_time_metadata(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
4132 | { | |
4133 | int status = 0; | |
4134 | ||
4135 | time->tv_sec = 0; | |
4136 | time->tv_nsec = 0; | |
4137 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_METADATA - 1U))) | |
4138 | return -EIO; | |
4139 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_METADATA)) { | |
4140 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4141 | if (status == 0) |
4142 | status = NFS_ATTR_FATTR_CTIME; | |
1da177e4 LT |
4143 | bitmap[1] &= ~FATTR4_WORD1_TIME_METADATA; |
4144 | } | |
3110ff80 | 4145 | dprintk("%s: ctime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
4146 | return status; |
4147 | } | |
4148 | ||
55b6e774 RL |
4149 | static int decode_attr_time_delta(struct xdr_stream *xdr, uint32_t *bitmap, |
4150 | struct timespec *time) | |
4151 | { | |
4152 | int status = 0; | |
4153 | ||
4154 | time->tv_sec = 0; | |
4155 | time->tv_nsec = 0; | |
4156 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_DELTA - 1U))) | |
4157 | return -EIO; | |
4158 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_DELTA)) { | |
4159 | status = decode_attr_time(xdr, time); | |
4160 | bitmap[1] &= ~FATTR4_WORD1_TIME_DELTA; | |
4161 | } | |
4162 | dprintk("%s: time_delta=%ld %ld\n", __func__, (long)time->tv_sec, | |
4163 | (long)time->tv_nsec); | |
4164 | return status; | |
4165 | } | |
4166 | ||
aa9c2669 DQ |
4167 | static int decode_attr_security_label(struct xdr_stream *xdr, uint32_t *bitmap, |
4168 | struct nfs4_label *label) | |
4169 | { | |
4170 | uint32_t pi = 0; | |
4171 | uint32_t lfs = 0; | |
4172 | __u32 len; | |
4173 | __be32 *p; | |
4174 | int status = 0; | |
4175 | ||
4176 | if (unlikely(bitmap[2] & (FATTR4_WORD2_SECURITY_LABEL - 1U))) | |
4177 | return -EIO; | |
4178 | if (likely(bitmap[2] & FATTR4_WORD2_SECURITY_LABEL)) { | |
4179 | p = xdr_inline_decode(xdr, 4); | |
4180 | if (unlikely(!p)) | |
4181 | goto out_overflow; | |
4182 | lfs = be32_to_cpup(p++); | |
4183 | p = xdr_inline_decode(xdr, 4); | |
4184 | if (unlikely(!p)) | |
4185 | goto out_overflow; | |
4186 | pi = be32_to_cpup(p++); | |
4187 | p = xdr_inline_decode(xdr, 4); | |
4188 | if (unlikely(!p)) | |
4189 | goto out_overflow; | |
4190 | len = be32_to_cpup(p++); | |
4191 | p = xdr_inline_decode(xdr, len); | |
4192 | if (unlikely(!p)) | |
4193 | goto out_overflow; | |
4194 | if (len < NFS4_MAXLABELLEN) { | |
4195 | if (label) { | |
4196 | memcpy(label->label, p, len); | |
4197 | label->len = len; | |
4198 | label->pi = pi; | |
4199 | label->lfs = lfs; | |
4200 | status = NFS_ATTR_FATTR_V4_SECURITY_LABEL; | |
4201 | } | |
4202 | bitmap[2] &= ~FATTR4_WORD2_SECURITY_LABEL; | |
4203 | } else | |
4204 | printk(KERN_WARNING "%s: label too long (%u)!\n", | |
4205 | __func__, len); | |
4206 | } | |
4207 | if (label && label->label) | |
4208 | dprintk("%s: label=%s, len=%d, PI=%d, LFS=%d\n", __func__, | |
4209 | (char *)label->label, label->len, label->pi, label->lfs); | |
4210 | return status; | |
4211 | ||
4212 | out_overflow: | |
4213 | print_overflow_msg(__func__, xdr); | |
4214 | return -EIO; | |
4215 | } | |
4216 | ||
1da177e4 LT |
4217 | static int decode_attr_time_modify(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) |
4218 | { | |
4219 | int status = 0; | |
4220 | ||
4221 | time->tv_sec = 0; | |
4222 | time->tv_nsec = 0; | |
4223 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_MODIFY - 1U))) | |
4224 | return -EIO; | |
4225 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_MODIFY)) { | |
4226 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4227 | if (status == 0) |
4228 | status = NFS_ATTR_FATTR_MTIME; | |
1da177e4 LT |
4229 | bitmap[1] &= ~FATTR4_WORD1_TIME_MODIFY; |
4230 | } | |
3110ff80 | 4231 | dprintk("%s: mtime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
4232 | return status; |
4233 | } | |
4234 | ||
256e48bb | 4235 | static int verify_attr_len(struct xdr_stream *xdr, unsigned int savep, uint32_t attrlen) |
1da177e4 LT |
4236 | { |
4237 | unsigned int attrwords = XDR_QUADLEN(attrlen); | |
256e48bb | 4238 | unsigned int nwords = (xdr_stream_pos(xdr) - savep) >> 2; |
1da177e4 LT |
4239 | |
4240 | if (unlikely(attrwords != nwords)) { | |
fe82a183 CL |
4241 | dprintk("%s: server returned incorrect attribute length: " |
4242 | "%u %c %u\n", | |
3110ff80 | 4243 | __func__, |
1da177e4 LT |
4244 | attrwords << 2, |
4245 | (attrwords < nwords) ? '<' : '>', | |
4246 | nwords << 2); | |
4247 | return -EIO; | |
4248 | } | |
4249 | return 0; | |
4250 | } | |
4251 | ||
4252 | static int decode_change_info(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4253 | { | |
8687b63a | 4254 | __be32 *p; |
1da177e4 | 4255 | |
c0eae66e BH |
4256 | p = xdr_inline_decode(xdr, 20); |
4257 | if (unlikely(!p)) | |
4258 | goto out_overflow; | |
6f723f77 | 4259 | cinfo->atomic = be32_to_cpup(p++); |
3ceb4dbb | 4260 | p = xdr_decode_hyper(p, &cinfo->before); |
cccddf4f | 4261 | xdr_decode_hyper(p, &cinfo->after); |
1da177e4 | 4262 | return 0; |
c0eae66e BH |
4263 | out_overflow: |
4264 | print_overflow_msg(__func__, xdr); | |
4265 | return -EIO; | |
1da177e4 LT |
4266 | } |
4267 | ||
6168f62c | 4268 | static int decode_access(struct xdr_stream *xdr, u32 *supported, u32 *access) |
1da177e4 | 4269 | { |
8687b63a | 4270 | __be32 *p; |
1da177e4 LT |
4271 | uint32_t supp, acc; |
4272 | int status; | |
4273 | ||
4274 | status = decode_op_hdr(xdr, OP_ACCESS); | |
4275 | if (status) | |
4276 | return status; | |
c0eae66e BH |
4277 | p = xdr_inline_decode(xdr, 8); |
4278 | if (unlikely(!p)) | |
4279 | goto out_overflow; | |
6f723f77 | 4280 | supp = be32_to_cpup(p++); |
cccddf4f | 4281 | acc = be32_to_cpup(p); |
6168f62c WAA |
4282 | *supported = supp; |
4283 | *access = acc; | |
1da177e4 | 4284 | return 0; |
c0eae66e BH |
4285 | out_overflow: |
4286 | print_overflow_msg(__func__, xdr); | |
4287 | return -EIO; | |
1da177e4 LT |
4288 | } |
4289 | ||
07d30434 | 4290 | static int decode_opaque_fixed(struct xdr_stream *xdr, void *buf, size_t len) |
1da177e4 | 4291 | { |
8687b63a | 4292 | __be32 *p; |
07d30434 BH |
4293 | |
4294 | p = xdr_inline_decode(xdr, len); | |
4295 | if (likely(p)) { | |
4296 | memcpy(buf, p, len); | |
4297 | return 0; | |
4298 | } | |
4299 | print_overflow_msg(__func__, xdr); | |
4300 | return -EIO; | |
4301 | } | |
4302 | ||
4303 | static int decode_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) | |
4304 | { | |
2d2f24ad | 4305 | return decode_opaque_fixed(xdr, stateid, NFS4_STATEID_SIZE); |
07d30434 BH |
4306 | } |
4307 | ||
93b717fd TM |
4308 | static int decode_open_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) |
4309 | { | |
4310 | stateid->type = NFS4_OPEN_STATEID_TYPE; | |
4311 | return decode_stateid(xdr, stateid); | |
4312 | } | |
4313 | ||
4314 | static int decode_lock_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) | |
4315 | { | |
4316 | stateid->type = NFS4_LOCK_STATEID_TYPE; | |
4317 | return decode_stateid(xdr, stateid); | |
4318 | } | |
4319 | ||
4320 | static int decode_delegation_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) | |
4321 | { | |
4322 | stateid->type = NFS4_DELEGATION_STATEID_TYPE; | |
4323 | return decode_stateid(xdr, stateid); | |
4324 | } | |
4325 | ||
07d30434 BH |
4326 | static int decode_close(struct xdr_stream *xdr, struct nfs_closeres *res) |
4327 | { | |
1da177e4 LT |
4328 | int status; |
4329 | ||
4330 | status = decode_op_hdr(xdr, OP_CLOSE); | |
c1d51931 TM |
4331 | if (status != -EIO) |
4332 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 | 4333 | if (!status) |
93b717fd | 4334 | status = decode_open_stateid(xdr, &res->stateid); |
07d30434 | 4335 | return status; |
1da177e4 LT |
4336 | } |
4337 | ||
db942bbd BH |
4338 | static int decode_verifier(struct xdr_stream *xdr, void *verifier) |
4339 | { | |
cd93710e | 4340 | return decode_opaque_fixed(xdr, verifier, NFS4_VERIFIER_SIZE); |
1da177e4 LT |
4341 | } |
4342 | ||
2f2c63bc TM |
4343 | static int decode_write_verifier(struct xdr_stream *xdr, struct nfs_write_verifier *verifier) |
4344 | { | |
4345 | return decode_opaque_fixed(xdr, verifier->data, NFS4_VERIFIER_SIZE); | |
4346 | } | |
4347 | ||
0b7c0153 | 4348 | static int decode_commit(struct xdr_stream *xdr, struct nfs_commitres *res) |
1da177e4 | 4349 | { |
1da177e4 LT |
4350 | int status; |
4351 | ||
4352 | status = decode_op_hdr(xdr, OP_COMMIT); | |
db942bbd | 4353 | if (!status) |
2f2c63bc | 4354 | status = decode_write_verifier(xdr, &res->verf->verifier); |
db942bbd | 4355 | return status; |
1da177e4 LT |
4356 | } |
4357 | ||
4358 | static int decode_create(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4359 | { | |
8687b63a | 4360 | __be32 *p; |
1da177e4 LT |
4361 | uint32_t bmlen; |
4362 | int status; | |
4363 | ||
4364 | status = decode_op_hdr(xdr, OP_CREATE); | |
4365 | if (status) | |
4366 | return status; | |
4367 | if ((status = decode_change_info(xdr, cinfo))) | |
4368 | return status; | |
c0eae66e BH |
4369 | p = xdr_inline_decode(xdr, 4); |
4370 | if (unlikely(!p)) | |
4371 | goto out_overflow; | |
cccddf4f | 4372 | bmlen = be32_to_cpup(p); |
c0eae66e BH |
4373 | p = xdr_inline_decode(xdr, bmlen << 2); |
4374 | if (likely(p)) | |
4375 | return 0; | |
4376 | out_overflow: | |
4377 | print_overflow_msg(__func__, xdr); | |
4378 | return -EIO; | |
1da177e4 LT |
4379 | } |
4380 | ||
4381 | static int decode_server_caps(struct xdr_stream *xdr, struct nfs4_server_caps_res *res) | |
4382 | { | |
256e48bb | 4383 | unsigned int savep; |
dae100c2 | 4384 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 LT |
4385 | int status; |
4386 | ||
4387 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
4388 | goto xdr_error; | |
4389 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4390 | goto xdr_error; | |
4391 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4392 | goto xdr_error; | |
4393 | if ((status = decode_attr_supported(xdr, bitmap, res->attr_bitmask)) != 0) | |
4394 | goto xdr_error; | |
264e6351 CL |
4395 | if ((status = decode_attr_fh_expire_type(xdr, bitmap, |
4396 | &res->fh_expire_type)) != 0) | |
4397 | goto xdr_error; | |
1da177e4 LT |
4398 | if ((status = decode_attr_link_support(xdr, bitmap, &res->has_links)) != 0) |
4399 | goto xdr_error; | |
4400 | if ((status = decode_attr_symlink_support(xdr, bitmap, &res->has_symlinks)) != 0) | |
4401 | goto xdr_error; | |
4402 | if ((status = decode_attr_aclsupport(xdr, bitmap, &res->acl_bitmask)) != 0) | |
4403 | goto xdr_error; | |
8c61282f KM |
4404 | if ((status = decode_attr_exclcreat_supported(xdr, bitmap, |
4405 | res->exclcreat_bitmask)) != 0) | |
4406 | goto xdr_error; | |
1da177e4 LT |
4407 | status = verify_attr_len(xdr, savep, attrlen); |
4408 | xdr_error: | |
3110ff80 | 4409 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4410 | return status; |
4411 | } | |
6c0195a4 | 4412 | |
1da177e4 LT |
4413 | static int decode_statfs(struct xdr_stream *xdr, struct nfs_fsstat *fsstat) |
4414 | { | |
256e48bb | 4415 | unsigned int savep; |
dae100c2 | 4416 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 | 4417 | int status; |
6c0195a4 | 4418 | |
1da177e4 LT |
4419 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
4420 | goto xdr_error; | |
4421 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4422 | goto xdr_error; | |
4423 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4424 | goto xdr_error; | |
4425 | ||
4426 | if ((status = decode_attr_files_avail(xdr, bitmap, &fsstat->afiles)) != 0) | |
4427 | goto xdr_error; | |
4428 | if ((status = decode_attr_files_free(xdr, bitmap, &fsstat->ffiles)) != 0) | |
4429 | goto xdr_error; | |
4430 | if ((status = decode_attr_files_total(xdr, bitmap, &fsstat->tfiles)) != 0) | |
4431 | goto xdr_error; | |
1ca843a2 AG |
4432 | |
4433 | status = -EIO; | |
4434 | if (unlikely(bitmap[0])) | |
4435 | goto xdr_error; | |
4436 | ||
1da177e4 LT |
4437 | if ((status = decode_attr_space_avail(xdr, bitmap, &fsstat->abytes)) != 0) |
4438 | goto xdr_error; | |
4439 | if ((status = decode_attr_space_free(xdr, bitmap, &fsstat->fbytes)) != 0) | |
4440 | goto xdr_error; | |
4441 | if ((status = decode_attr_space_total(xdr, bitmap, &fsstat->tbytes)) != 0) | |
4442 | goto xdr_error; | |
4443 | ||
4444 | status = verify_attr_len(xdr, savep, attrlen); | |
4445 | xdr_error: | |
3110ff80 | 4446 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4447 | return status; |
4448 | } | |
4449 | ||
4450 | static int decode_pathconf(struct xdr_stream *xdr, struct nfs_pathconf *pathconf) | |
4451 | { | |
256e48bb | 4452 | unsigned int savep; |
dae100c2 | 4453 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 | 4454 | int status; |
6c0195a4 | 4455 | |
1da177e4 LT |
4456 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
4457 | goto xdr_error; | |
4458 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4459 | goto xdr_error; | |
4460 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4461 | goto xdr_error; | |
4462 | ||
4463 | if ((status = decode_attr_maxlink(xdr, bitmap, &pathconf->max_link)) != 0) | |
4464 | goto xdr_error; | |
4465 | if ((status = decode_attr_maxname(xdr, bitmap, &pathconf->max_namelen)) != 0) | |
4466 | goto xdr_error; | |
4467 | ||
4468 | status = verify_attr_len(xdr, savep, attrlen); | |
4469 | xdr_error: | |
3110ff80 | 4470 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4471 | return status; |
4472 | } | |
4473 | ||
88034c3d AA |
4474 | static int decode_threshold_hint(struct xdr_stream *xdr, |
4475 | uint32_t *bitmap, | |
4476 | uint64_t *res, | |
4477 | uint32_t hint_bit) | |
4478 | { | |
4479 | __be32 *p; | |
4480 | ||
4481 | *res = 0; | |
4482 | if (likely(bitmap[0] & hint_bit)) { | |
4483 | p = xdr_inline_decode(xdr, 8); | |
4484 | if (unlikely(!p)) | |
4485 | goto out_overflow; | |
4486 | xdr_decode_hyper(p, res); | |
4487 | } | |
4488 | return 0; | |
4489 | out_overflow: | |
4490 | print_overflow_msg(__func__, xdr); | |
4491 | return -EIO; | |
4492 | } | |
4493 | ||
4494 | static int decode_first_threshold_item4(struct xdr_stream *xdr, | |
4495 | struct nfs4_threshold *res) | |
4496 | { | |
256e48bb TM |
4497 | __be32 *p; |
4498 | unsigned int savep; | |
88034c3d AA |
4499 | uint32_t bitmap[3] = {0,}, attrlen; |
4500 | int status; | |
4501 | ||
4502 | /* layout type */ | |
4503 | p = xdr_inline_decode(xdr, 4); | |
4504 | if (unlikely(!p)) { | |
4505 | print_overflow_msg(__func__, xdr); | |
4506 | return -EIO; | |
4507 | } | |
4508 | res->l_type = be32_to_cpup(p); | |
4509 | ||
4510 | /* thi_hintset bitmap */ | |
4511 | status = decode_attr_bitmap(xdr, bitmap); | |
4512 | if (status < 0) | |
4513 | goto xdr_error; | |
4514 | ||
4515 | /* thi_hintlist length */ | |
4516 | status = decode_attr_length(xdr, &attrlen, &savep); | |
4517 | if (status < 0) | |
4518 | goto xdr_error; | |
4519 | /* thi_hintlist */ | |
4520 | status = decode_threshold_hint(xdr, bitmap, &res->rd_sz, THRESHOLD_RD); | |
4521 | if (status < 0) | |
4522 | goto xdr_error; | |
4523 | status = decode_threshold_hint(xdr, bitmap, &res->wr_sz, THRESHOLD_WR); | |
4524 | if (status < 0) | |
4525 | goto xdr_error; | |
4526 | status = decode_threshold_hint(xdr, bitmap, &res->rd_io_sz, | |
4527 | THRESHOLD_RD_IO); | |
4528 | if (status < 0) | |
4529 | goto xdr_error; | |
4530 | status = decode_threshold_hint(xdr, bitmap, &res->wr_io_sz, | |
4531 | THRESHOLD_WR_IO); | |
4532 | if (status < 0) | |
4533 | goto xdr_error; | |
4534 | ||
4535 | status = verify_attr_len(xdr, savep, attrlen); | |
4536 | res->bm = bitmap[0]; | |
4537 | ||
4538 | dprintk("%s bm=0x%x rd_sz=%llu wr_sz=%llu rd_io=%llu wr_io=%llu\n", | |
4539 | __func__, res->bm, res->rd_sz, res->wr_sz, res->rd_io_sz, | |
4540 | res->wr_io_sz); | |
4541 | xdr_error: | |
4542 | dprintk("%s ret=%d!\n", __func__, status); | |
4543 | return status; | |
4544 | } | |
4545 | ||
4546 | /* | |
4547 | * Thresholds on pNFS direct I/O vrs MDS I/O | |
4548 | */ | |
4549 | static int decode_attr_mdsthreshold(struct xdr_stream *xdr, | |
4550 | uint32_t *bitmap, | |
4551 | struct nfs4_threshold *res) | |
4552 | { | |
4553 | __be32 *p; | |
4554 | int status = 0; | |
4555 | uint32_t num; | |
4556 | ||
4557 | if (unlikely(bitmap[2] & (FATTR4_WORD2_MDSTHRESHOLD - 1U))) | |
4558 | return -EIO; | |
029c5347 | 4559 | if (bitmap[2] & FATTR4_WORD2_MDSTHRESHOLD) { |
1549210f TM |
4560 | /* Did the server return an unrequested attribute? */ |
4561 | if (unlikely(res == NULL)) | |
4562 | return -EREMOTEIO; | |
88034c3d AA |
4563 | p = xdr_inline_decode(xdr, 4); |
4564 | if (unlikely(!p)) | |
4565 | goto out_overflow; | |
4566 | num = be32_to_cpup(p); | |
4567 | if (num == 0) | |
4568 | return 0; | |
4569 | if (num > 1) | |
4570 | printk(KERN_INFO "%s: Warning: Multiple pNFS layout " | |
4571 | "drivers per filesystem not supported\n", | |
4572 | __func__); | |
4573 | ||
4574 | status = decode_first_threshold_item4(xdr, res); | |
029c5347 | 4575 | bitmap[2] &= ~FATTR4_WORD2_MDSTHRESHOLD; |
88034c3d AA |
4576 | } |
4577 | return status; | |
4578 | out_overflow: | |
4579 | print_overflow_msg(__func__, xdr); | |
4580 | return -EIO; | |
4581 | } | |
4582 | ||
ae42c70a BS |
4583 | static int decode_getfattr_attrs(struct xdr_stream *xdr, uint32_t *bitmap, |
4584 | struct nfs_fattr *fattr, struct nfs_fh *fh, | |
aa9c2669 | 4585 | struct nfs4_fs_locations *fs_loc, struct nfs4_label *label, |
6926afd1 | 4586 | const struct nfs_server *server) |
1da177e4 | 4587 | { |
bca79478 TM |
4588 | int status; |
4589 | umode_t fmode = 0; | |
ae42c70a | 4590 | uint32_t type; |
ee7b75fc | 4591 | int32_t err; |
1da177e4 | 4592 | |
f26c7a78 TM |
4593 | status = decode_attr_type(xdr, bitmap, &type); |
4594 | if (status < 0) | |
1da177e4 | 4595 | goto xdr_error; |
409924e4 TM |
4596 | fattr->mode = 0; |
4597 | if (status != 0) { | |
4598 | fattr->mode |= nfs_type2fmt[type]; | |
4599 | fattr->valid |= status; | |
4600 | } | |
1da177e4 | 4601 | |
f26c7a78 TM |
4602 | status = decode_attr_change(xdr, bitmap, &fattr->change_attr); |
4603 | if (status < 0) | |
1da177e4 | 4604 | goto xdr_error; |
409924e4 | 4605 | fattr->valid |= status; |
f26c7a78 TM |
4606 | |
4607 | status = decode_attr_size(xdr, bitmap, &fattr->size); | |
4608 | if (status < 0) | |
1da177e4 | 4609 | goto xdr_error; |
409924e4 | 4610 | fattr->valid |= status; |
f26c7a78 TM |
4611 | |
4612 | status = decode_attr_fsid(xdr, bitmap, &fattr->fsid); | |
4613 | if (status < 0) | |
1da177e4 | 4614 | goto xdr_error; |
409924e4 | 4615 | fattr->valid |= status; |
f26c7a78 | 4616 | |
ee7b75fc TM |
4617 | err = 0; |
4618 | status = decode_attr_error(xdr, bitmap, &err); | |
ae42c70a BS |
4619 | if (status < 0) |
4620 | goto xdr_error; | |
4621 | ||
4622 | status = decode_attr_filehandle(xdr, bitmap, fh); | |
4623 | if (status < 0) | |
4624 | goto xdr_error; | |
4625 | ||
f26c7a78 TM |
4626 | status = decode_attr_fileid(xdr, bitmap, &fattr->fileid); |
4627 | if (status < 0) | |
1da177e4 | 4628 | goto xdr_error; |
409924e4 | 4629 | fattr->valid |= status; |
f26c7a78 | 4630 | |
8b7e3f49 | 4631 | status = decode_attr_fs_locations(xdr, bitmap, fs_loc); |
f26c7a78 | 4632 | if (status < 0) |
683b57b4 | 4633 | goto xdr_error; |
409924e4 | 4634 | fattr->valid |= status; |
f26c7a78 | 4635 | |
1ca843a2 AG |
4636 | status = -EIO; |
4637 | if (unlikely(bitmap[0])) | |
4638 | goto xdr_error; | |
4639 | ||
f26c7a78 TM |
4640 | status = decode_attr_mode(xdr, bitmap, &fmode); |
4641 | if (status < 0) | |
1da177e4 | 4642 | goto xdr_error; |
409924e4 TM |
4643 | if (status != 0) { |
4644 | fattr->mode |= fmode; | |
4645 | fattr->valid |= status; | |
4646 | } | |
f26c7a78 TM |
4647 | |
4648 | status = decode_attr_nlink(xdr, bitmap, &fattr->nlink); | |
4649 | if (status < 0) | |
1da177e4 | 4650 | goto xdr_error; |
409924e4 | 4651 | fattr->valid |= status; |
f26c7a78 | 4652 | |
6926afd1 | 4653 | status = decode_attr_owner(xdr, bitmap, server, &fattr->uid, fattr->owner_name); |
f26c7a78 | 4654 | if (status < 0) |
1da177e4 | 4655 | goto xdr_error; |
409924e4 | 4656 | fattr->valid |= status; |
f26c7a78 | 4657 | |
6926afd1 | 4658 | status = decode_attr_group(xdr, bitmap, server, &fattr->gid, fattr->group_name); |
f26c7a78 | 4659 | if (status < 0) |
1da177e4 | 4660 | goto xdr_error; |
409924e4 | 4661 | fattr->valid |= status; |
f26c7a78 TM |
4662 | |
4663 | status = decode_attr_rdev(xdr, bitmap, &fattr->rdev); | |
4664 | if (status < 0) | |
1da177e4 | 4665 | goto xdr_error; |
409924e4 | 4666 | fattr->valid |= status; |
f26c7a78 TM |
4667 | |
4668 | status = decode_attr_space_used(xdr, bitmap, &fattr->du.nfs3.used); | |
4669 | if (status < 0) | |
1da177e4 | 4670 | goto xdr_error; |
409924e4 | 4671 | fattr->valid |= status; |
f26c7a78 TM |
4672 | |
4673 | status = decode_attr_time_access(xdr, bitmap, &fattr->atime); | |
4674 | if (status < 0) | |
1da177e4 | 4675 | goto xdr_error; |
409924e4 | 4676 | fattr->valid |= status; |
f26c7a78 TM |
4677 | |
4678 | status = decode_attr_time_metadata(xdr, bitmap, &fattr->ctime); | |
4679 | if (status < 0) | |
1da177e4 | 4680 | goto xdr_error; |
409924e4 | 4681 | fattr->valid |= status; |
f26c7a78 TM |
4682 | |
4683 | status = decode_attr_time_modify(xdr, bitmap, &fattr->mtime); | |
4684 | if (status < 0) | |
1da177e4 | 4685 | goto xdr_error; |
409924e4 | 4686 | fattr->valid |= status; |
f26c7a78 | 4687 | |
28331a46 | 4688 | status = decode_attr_mounted_on_fileid(xdr, bitmap, &fattr->mounted_on_fileid); |
f26c7a78 | 4689 | if (status < 0) |
99baf625 | 4690 | goto xdr_error; |
28331a46 | 4691 | fattr->valid |= status; |
f26c7a78 | 4692 | |
1ca843a2 AG |
4693 | status = -EIO; |
4694 | if (unlikely(bitmap[1])) | |
4695 | goto xdr_error; | |
4696 | ||
88034c3d AA |
4697 | status = decode_attr_mdsthreshold(xdr, bitmap, fattr->mdsthreshold); |
4698 | if (status < 0) | |
4699 | goto xdr_error; | |
4700 | ||
aa9c2669 DQ |
4701 | if (label) { |
4702 | status = decode_attr_security_label(xdr, bitmap, label); | |
4703 | if (status < 0) | |
4704 | goto xdr_error; | |
4705 | fattr->valid |= status; | |
4706 | } | |
4707 | ||
ae42c70a BS |
4708 | xdr_error: |
4709 | dprintk("%s: xdr returned %d\n", __func__, -status); | |
4710 | return status; | |
4711 | } | |
4712 | ||
4713 | static int decode_getfattr_generic(struct xdr_stream *xdr, struct nfs_fattr *fattr, | |
8b7e3f49 | 4714 | struct nfs_fh *fh, struct nfs4_fs_locations *fs_loc, |
aa9c2669 | 4715 | struct nfs4_label *label, const struct nfs_server *server) |
ae42c70a | 4716 | { |
256e48bb | 4717 | unsigned int savep; |
ae42c70a | 4718 | uint32_t attrlen, |
dae100c2 | 4719 | bitmap[3] = {0}; |
ae42c70a BS |
4720 | int status; |
4721 | ||
4722 | status = decode_op_hdr(xdr, OP_GETATTR); | |
4723 | if (status < 0) | |
4724 | goto xdr_error; | |
4725 | ||
4726 | status = decode_attr_bitmap(xdr, bitmap); | |
4727 | if (status < 0) | |
4728 | goto xdr_error; | |
4729 | ||
4730 | status = decode_attr_length(xdr, &attrlen, &savep); | |
4731 | if (status < 0) | |
4732 | goto xdr_error; | |
4733 | ||
aa9c2669 DQ |
4734 | status = decode_getfattr_attrs(xdr, bitmap, fattr, fh, fs_loc, |
4735 | label, server); | |
ae42c70a BS |
4736 | if (status < 0) |
4737 | goto xdr_error; | |
4738 | ||
f26c7a78 | 4739 | status = verify_attr_len(xdr, savep, attrlen); |
1da177e4 | 4740 | xdr_error: |
3110ff80 | 4741 | dprintk("%s: xdr returned %d\n", __func__, -status); |
1da177e4 LT |
4742 | return status; |
4743 | } | |
4744 | ||
aa9c2669 DQ |
4745 | static int decode_getfattr_label(struct xdr_stream *xdr, struct nfs_fattr *fattr, |
4746 | struct nfs4_label *label, const struct nfs_server *server) | |
4747 | { | |
4748 | return decode_getfattr_generic(xdr, fattr, NULL, NULL, label, server); | |
4749 | } | |
4750 | ||
ae42c70a | 4751 | static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr, |
6926afd1 | 4752 | const struct nfs_server *server) |
ae42c70a | 4753 | { |
aa9c2669 | 4754 | return decode_getfattr_generic(xdr, fattr, NULL, NULL, NULL, server); |
ae42c70a | 4755 | } |
1da177e4 | 4756 | |
504913fb | 4757 | /* |
3132e49e | 4758 | * Decode potentially multiple layout types. |
504913fb | 4759 | */ |
3132e49e | 4760 | static int decode_pnfs_layout_types(struct xdr_stream *xdr, |
ca440c38 | 4761 | struct nfs_fsinfo *fsinfo) |
504913fb | 4762 | { |
b8a8a0dd | 4763 | __be32 *p; |
ca440c38 | 4764 | uint32_t i; |
504913fb AA |
4765 | |
4766 | p = xdr_inline_decode(xdr, 4); | |
4767 | if (unlikely(!p)) | |
4768 | goto out_overflow; | |
ca440c38 | 4769 | fsinfo->nlayouttypes = be32_to_cpup(p); |
504913fb AA |
4770 | |
4771 | /* pNFS is not supported by the underlying file system */ | |
ca440c38 | 4772 | if (fsinfo->nlayouttypes == 0) |
504913fb | 4773 | return 0; |
504913fb AA |
4774 | |
4775 | /* Decode and set first layout type, move xdr->p past unused types */ | |
ca440c38 | 4776 | p = xdr_inline_decode(xdr, fsinfo->nlayouttypes * 4); |
504913fb AA |
4777 | if (unlikely(!p)) |
4778 | goto out_overflow; | |
ca440c38 JL |
4779 | |
4780 | /* If we get too many, then just cap it at the max */ | |
4781 | if (fsinfo->nlayouttypes > NFS_MAX_LAYOUT_TYPES) { | |
4782 | printk(KERN_INFO "NFS: %s: Warning: Too many (%u) pNFS layout types\n", | |
4783 | __func__, fsinfo->nlayouttypes); | |
4784 | fsinfo->nlayouttypes = NFS_MAX_LAYOUT_TYPES; | |
4785 | } | |
4786 | ||
4787 | for(i = 0; i < fsinfo->nlayouttypes; ++i) | |
4788 | fsinfo->layouttype[i] = be32_to_cpup(p++); | |
504913fb AA |
4789 | return 0; |
4790 | out_overflow: | |
4791 | print_overflow_msg(__func__, xdr); | |
4792 | return -EIO; | |
4793 | } | |
4794 | ||
4795 | /* | |
4796 | * The type of file system exported. | |
4797 | * Note we must ensure that layouttype is set in any non-error case. | |
4798 | */ | |
4799 | static int decode_attr_pnfstype(struct xdr_stream *xdr, uint32_t *bitmap, | |
ca440c38 | 4800 | struct nfs_fsinfo *fsinfo) |
504913fb AA |
4801 | { |
4802 | int status = 0; | |
4803 | ||
4804 | dprintk("%s: bitmap is %x\n", __func__, bitmap[1]); | |
4805 | if (unlikely(bitmap[1] & (FATTR4_WORD1_FS_LAYOUT_TYPES - 1U))) | |
4806 | return -EIO; | |
4807 | if (bitmap[1] & FATTR4_WORD1_FS_LAYOUT_TYPES) { | |
ca440c38 | 4808 | status = decode_pnfs_layout_types(xdr, fsinfo); |
504913fb | 4809 | bitmap[1] &= ~FATTR4_WORD1_FS_LAYOUT_TYPES; |
3132e49e | 4810 | } |
504913fb AA |
4811 | return status; |
4812 | } | |
4813 | ||
dae100c2 FI |
4814 | /* |
4815 | * The prefered block size for layout directed io | |
4816 | */ | |
4817 | static int decode_attr_layout_blksize(struct xdr_stream *xdr, uint32_t *bitmap, | |
4818 | uint32_t *res) | |
4819 | { | |
4820 | __be32 *p; | |
4821 | ||
4822 | dprintk("%s: bitmap is %x\n", __func__, bitmap[2]); | |
4823 | *res = 0; | |
4824 | if (bitmap[2] & FATTR4_WORD2_LAYOUT_BLKSIZE) { | |
4825 | p = xdr_inline_decode(xdr, 4); | |
4826 | if (unlikely(!p)) { | |
4827 | print_overflow_msg(__func__, xdr); | |
4828 | return -EIO; | |
4829 | } | |
4830 | *res = be32_to_cpup(p); | |
4831 | bitmap[2] &= ~FATTR4_WORD2_LAYOUT_BLKSIZE; | |
4832 | } | |
4833 | return 0; | |
4834 | } | |
4835 | ||
2a92ee92 PT |
4836 | /* |
4837 | * The granularity of a CLONE operation. | |
4838 | */ | |
4839 | static int decode_attr_clone_blksize(struct xdr_stream *xdr, uint32_t *bitmap, | |
4840 | uint32_t *res) | |
4841 | { | |
4842 | __be32 *p; | |
4843 | ||
4844 | dprintk("%s: bitmap is %x\n", __func__, bitmap[2]); | |
4845 | *res = 0; | |
4846 | if (bitmap[2] & FATTR4_WORD2_CLONE_BLKSIZE) { | |
4847 | p = xdr_inline_decode(xdr, 4); | |
4848 | if (unlikely(!p)) { | |
4849 | print_overflow_msg(__func__, xdr); | |
4850 | return -EIO; | |
4851 | } | |
4852 | *res = be32_to_cpup(p); | |
4853 | bitmap[2] &= ~FATTR4_WORD2_CLONE_BLKSIZE; | |
4854 | } | |
4855 | return 0; | |
4856 | } | |
4857 | ||
1da177e4 LT |
4858 | static int decode_fsinfo(struct xdr_stream *xdr, struct nfs_fsinfo *fsinfo) |
4859 | { | |
256e48bb | 4860 | unsigned int savep; |
dae100c2 | 4861 | uint32_t attrlen, bitmap[3]; |
1da177e4 LT |
4862 | int status; |
4863 | ||
4864 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
4865 | goto xdr_error; | |
4866 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4867 | goto xdr_error; | |
4868 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4869 | goto xdr_error; | |
4870 | ||
4871 | fsinfo->rtmult = fsinfo->wtmult = 512; /* ??? */ | |
4872 | ||
4873 | if ((status = decode_attr_lease_time(xdr, bitmap, &fsinfo->lease_time)) != 0) | |
4874 | goto xdr_error; | |
4875 | if ((status = decode_attr_maxfilesize(xdr, bitmap, &fsinfo->maxfilesize)) != 0) | |
4876 | goto xdr_error; | |
4877 | if ((status = decode_attr_maxread(xdr, bitmap, &fsinfo->rtmax)) != 0) | |
4878 | goto xdr_error; | |
4879 | fsinfo->rtpref = fsinfo->dtpref = fsinfo->rtmax; | |
4880 | if ((status = decode_attr_maxwrite(xdr, bitmap, &fsinfo->wtmax)) != 0) | |
4881 | goto xdr_error; | |
4882 | fsinfo->wtpref = fsinfo->wtmax; | |
1ca843a2 AG |
4883 | |
4884 | status = -EIO; | |
4885 | if (unlikely(bitmap[0])) | |
4886 | goto xdr_error; | |
4887 | ||
55b6e774 | 4888 | status = decode_attr_time_delta(xdr, bitmap, &fsinfo->time_delta); |
504913fb AA |
4889 | if (status != 0) |
4890 | goto xdr_error; | |
ca440c38 | 4891 | status = decode_attr_pnfstype(xdr, bitmap, fsinfo); |
55b6e774 RL |
4892 | if (status != 0) |
4893 | goto xdr_error; | |
1ca843a2 AG |
4894 | |
4895 | status = -EIO; | |
4896 | if (unlikely(bitmap[1])) | |
4897 | goto xdr_error; | |
4898 | ||
dae100c2 | 4899 | status = decode_attr_layout_blksize(xdr, bitmap, &fsinfo->blksize); |
2a92ee92 PT |
4900 | if (status) |
4901 | goto xdr_error; | |
4902 | status = decode_attr_clone_blksize(xdr, bitmap, &fsinfo->clone_blksize); | |
dae100c2 FI |
4903 | if (status) |
4904 | goto xdr_error; | |
1da177e4 LT |
4905 | |
4906 | status = verify_attr_len(xdr, savep, attrlen); | |
4907 | xdr_error: | |
3110ff80 | 4908 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4909 | return status; |
4910 | } | |
4911 | ||
4912 | static int decode_getfh(struct xdr_stream *xdr, struct nfs_fh *fh) | |
4913 | { | |
8687b63a | 4914 | __be32 *p; |
1da177e4 LT |
4915 | uint32_t len; |
4916 | int status; | |
4917 | ||
9936781d TM |
4918 | /* Zero handle first to allow comparisons */ |
4919 | memset(fh, 0, sizeof(*fh)); | |
4920 | ||
1da177e4 LT |
4921 | status = decode_op_hdr(xdr, OP_GETFH); |
4922 | if (status) | |
4923 | return status; | |
1da177e4 | 4924 | |
c0eae66e BH |
4925 | p = xdr_inline_decode(xdr, 4); |
4926 | if (unlikely(!p)) | |
4927 | goto out_overflow; | |
cccddf4f | 4928 | len = be32_to_cpup(p); |
1da177e4 LT |
4929 | if (len > NFS4_FHSIZE) |
4930 | return -EIO; | |
4931 | fh->size = len; | |
c0eae66e BH |
4932 | p = xdr_inline_decode(xdr, len); |
4933 | if (unlikely(!p)) | |
4934 | goto out_overflow; | |
99398d06 | 4935 | memcpy(fh->data, p, len); |
1da177e4 | 4936 | return 0; |
c0eae66e BH |
4937 | out_overflow: |
4938 | print_overflow_msg(__func__, xdr); | |
4939 | return -EIO; | |
1da177e4 LT |
4940 | } |
4941 | ||
4942 | static int decode_link(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4943 | { | |
4944 | int status; | |
6c0195a4 | 4945 | |
1da177e4 LT |
4946 | status = decode_op_hdr(xdr, OP_LINK); |
4947 | if (status) | |
4948 | return status; | |
4949 | return decode_change_info(xdr, cinfo); | |
4950 | } | |
4951 | ||
4952 | /* | |
4953 | * We create the owner, so we know a proper owner.id length is 4. | |
4954 | */ | |
911d1aaf | 4955 | static int decode_lock_denied (struct xdr_stream *xdr, struct file_lock *fl) |
1da177e4 | 4956 | { |
911d1aaf | 4957 | uint64_t offset, length, clientid; |
8687b63a | 4958 | __be32 *p; |
911d1aaf | 4959 | uint32_t namelen, type; |
1da177e4 | 4960 | |
babddc72 | 4961 | p = xdr_inline_decode(xdr, 32); /* read 32 bytes */ |
c0eae66e BH |
4962 | if (unlikely(!p)) |
4963 | goto out_overflow; | |
babddc72 | 4964 | p = xdr_decode_hyper(p, &offset); /* read 2 8-byte long words */ |
3ceb4dbb | 4965 | p = xdr_decode_hyper(p, &length); |
babddc72 BS |
4966 | type = be32_to_cpup(p++); /* 4 byte read */ |
4967 | if (fl != NULL) { /* manipulate file lock */ | |
911d1aaf TM |
4968 | fl->fl_start = (loff_t)offset; |
4969 | fl->fl_end = fl->fl_start + (loff_t)length - 1; | |
4970 | if (length == ~(uint64_t)0) | |
4971 | fl->fl_end = OFFSET_MAX; | |
4972 | fl->fl_type = F_WRLCK; | |
4973 | if (type & 1) | |
4974 | fl->fl_type = F_RDLCK; | |
4975 | fl->fl_pid = 0; | |
4976 | } | |
babddc72 BS |
4977 | p = xdr_decode_hyper(p, &clientid); /* read 8 bytes */ |
4978 | namelen = be32_to_cpup(p); /* read 4 bytes */ /* have read all 32 bytes now */ | |
4979 | p = xdr_inline_decode(xdr, namelen); /* variable size field */ | |
c0eae66e BH |
4980 | if (likely(p)) |
4981 | return -NFS4ERR_DENIED; | |
4982 | out_overflow: | |
4983 | print_overflow_msg(__func__, xdr); | |
4984 | return -EIO; | |
1da177e4 LT |
4985 | } |
4986 | ||
911d1aaf | 4987 | static int decode_lock(struct xdr_stream *xdr, struct nfs_lock_res *res) |
1da177e4 | 4988 | { |
1da177e4 LT |
4989 | int status; |
4990 | ||
4991 | status = decode_op_hdr(xdr, OP_LOCK); | |
c1d51931 TM |
4992 | if (status == -EIO) |
4993 | goto out; | |
1da177e4 | 4994 | if (status == 0) { |
93b717fd | 4995 | status = decode_lock_stateid(xdr, &res->stateid); |
07d30434 BH |
4996 | if (unlikely(status)) |
4997 | goto out; | |
1da177e4 | 4998 | } else if (status == -NFS4ERR_DENIED) |
c1d51931 TM |
4999 | status = decode_lock_denied(xdr, NULL); |
5000 | if (res->open_seqid != NULL) | |
5001 | nfs_increment_open_seqid(status, res->open_seqid); | |
5002 | nfs_increment_lock_seqid(status, res->lock_seqid); | |
5003 | out: | |
1da177e4 LT |
5004 | return status; |
5005 | } | |
5006 | ||
911d1aaf | 5007 | static int decode_lockt(struct xdr_stream *xdr, struct nfs_lockt_res *res) |
1da177e4 LT |
5008 | { |
5009 | int status; | |
5010 | status = decode_op_hdr(xdr, OP_LOCKT); | |
5011 | if (status == -NFS4ERR_DENIED) | |
911d1aaf | 5012 | return decode_lock_denied(xdr, res->denied); |
1da177e4 LT |
5013 | return status; |
5014 | } | |
5015 | ||
911d1aaf | 5016 | static int decode_locku(struct xdr_stream *xdr, struct nfs_locku_res *res) |
1da177e4 | 5017 | { |
1da177e4 LT |
5018 | int status; |
5019 | ||
5020 | status = decode_op_hdr(xdr, OP_LOCKU); | |
c1d51931 TM |
5021 | if (status != -EIO) |
5022 | nfs_increment_lock_seqid(status, res->seqid); | |
07d30434 | 5023 | if (status == 0) |
93b717fd | 5024 | status = decode_lock_stateid(xdr, &res->stateid); |
1da177e4 LT |
5025 | return status; |
5026 | } | |
5027 | ||
d3c7b7cc TM |
5028 | static int decode_release_lockowner(struct xdr_stream *xdr) |
5029 | { | |
5030 | return decode_op_hdr(xdr, OP_RELEASE_LOCKOWNER); | |
5031 | } | |
5032 | ||
1da177e4 LT |
5033 | static int decode_lookup(struct xdr_stream *xdr) |
5034 | { | |
5035 | return decode_op_hdr(xdr, OP_LOOKUP); | |
5036 | } | |
5037 | ||
5038 | /* This is too sick! */ | |
7d160a6c TM |
5039 | static int decode_space_limit(struct xdr_stream *xdr, |
5040 | unsigned long *pagemod_limit) | |
1da177e4 | 5041 | { |
05d564fe | 5042 | __be32 *p; |
1da177e4 | 5043 | uint32_t limit_type, nblocks, blocksize; |
7d160a6c | 5044 | u64 maxsize = 0; |
1da177e4 | 5045 | |
c0eae66e BH |
5046 | p = xdr_inline_decode(xdr, 12); |
5047 | if (unlikely(!p)) | |
5048 | goto out_overflow; | |
6f723f77 | 5049 | limit_type = be32_to_cpup(p++); |
1da177e4 | 5050 | switch (limit_type) { |
7d160a6c TM |
5051 | case NFS4_LIMIT_SIZE: |
5052 | xdr_decode_hyper(p, &maxsize); | |
05d564fe | 5053 | break; |
7d160a6c | 5054 | case NFS4_LIMIT_BLOCKS: |
6f723f77 | 5055 | nblocks = be32_to_cpup(p++); |
cccddf4f | 5056 | blocksize = be32_to_cpup(p); |
7d160a6c | 5057 | maxsize = (uint64_t)nblocks * (uint64_t)blocksize; |
1da177e4 | 5058 | } |
09cbfeaf | 5059 | maxsize >>= PAGE_SHIFT; |
7d160a6c | 5060 | *pagemod_limit = min_t(u64, maxsize, ULONG_MAX); |
1da177e4 | 5061 | return 0; |
c0eae66e BH |
5062 | out_overflow: |
5063 | print_overflow_msg(__func__, xdr); | |
5064 | return -EIO; | |
1da177e4 LT |
5065 | } |
5066 | ||
6ae37339 TM |
5067 | static int decode_rw_delegation(struct xdr_stream *xdr, |
5068 | uint32_t delegation_type, | |
5069 | struct nfs_openres *res) | |
1da177e4 | 5070 | { |
05d564fe | 5071 | __be32 *p; |
07d30434 | 5072 | int status; |
1da177e4 | 5073 | |
93b717fd | 5074 | status = decode_delegation_stateid(xdr, &res->delegation); |
07d30434 BH |
5075 | if (unlikely(status)) |
5076 | return status; | |
c0eae66e BH |
5077 | p = xdr_inline_decode(xdr, 4); |
5078 | if (unlikely(!p)) | |
5079 | goto out_overflow; | |
cccddf4f | 5080 | res->do_recall = be32_to_cpup(p); |
05d564fe | 5081 | |
1da177e4 | 5082 | switch (delegation_type) { |
05d564fe AA |
5083 | case NFS4_OPEN_DELEGATE_READ: |
5084 | res->delegation_type = FMODE_READ; | |
5085 | break; | |
5086 | case NFS4_OPEN_DELEGATE_WRITE: | |
5087 | res->delegation_type = FMODE_WRITE|FMODE_READ; | |
7d160a6c | 5088 | if (decode_space_limit(xdr, &res->pagemod_limit) < 0) |
1da177e4 LT |
5089 | return -EIO; |
5090 | } | |
7539bbab | 5091 | return decode_ace(xdr, NULL, res->server->nfs_client); |
c0eae66e BH |
5092 | out_overflow: |
5093 | print_overflow_msg(__func__, xdr); | |
5094 | return -EIO; | |
1da177e4 LT |
5095 | } |
5096 | ||
6ae37339 TM |
5097 | static int decode_no_delegation(struct xdr_stream *xdr, struct nfs_openres *res) |
5098 | { | |
5099 | __be32 *p; | |
5100 | uint32_t why_no_delegation; | |
5101 | ||
5102 | p = xdr_inline_decode(xdr, 4); | |
5103 | if (unlikely(!p)) | |
5104 | goto out_overflow; | |
5105 | why_no_delegation = be32_to_cpup(p); | |
5106 | switch (why_no_delegation) { | |
5107 | case WND4_CONTENTION: | |
5108 | case WND4_RESOURCE: | |
5109 | xdr_inline_decode(xdr, 4); | |
5110 | /* Ignore for now */ | |
5111 | } | |
5112 | return 0; | |
5113 | out_overflow: | |
5114 | print_overflow_msg(__func__, xdr); | |
5115 | return -EIO; | |
5116 | } | |
5117 | ||
5118 | static int decode_delegation(struct xdr_stream *xdr, struct nfs_openres *res) | |
5119 | { | |
5120 | __be32 *p; | |
5121 | uint32_t delegation_type; | |
5122 | ||
5123 | p = xdr_inline_decode(xdr, 4); | |
5124 | if (unlikely(!p)) | |
5125 | goto out_overflow; | |
5126 | delegation_type = be32_to_cpup(p); | |
5127 | res->delegation_type = 0; | |
5128 | switch (delegation_type) { | |
5129 | case NFS4_OPEN_DELEGATE_NONE: | |
5130 | return 0; | |
5131 | case NFS4_OPEN_DELEGATE_READ: | |
5132 | case NFS4_OPEN_DELEGATE_WRITE: | |
5133 | return decode_rw_delegation(xdr, delegation_type, res); | |
5134 | case NFS4_OPEN_DELEGATE_NONE_EXT: | |
5135 | return decode_no_delegation(xdr, res); | |
5136 | } | |
5137 | return -EIO; | |
5138 | out_overflow: | |
5139 | print_overflow_msg(__func__, xdr); | |
5140 | return -EIO; | |
5141 | } | |
5142 | ||
1da177e4 LT |
5143 | static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res) |
5144 | { | |
05d564fe | 5145 | __be32 *p; |
aa53ed54 | 5146 | uint32_t savewords, bmlen, i; |
05d564fe | 5147 | int status; |
1da177e4 | 5148 | |
c7848f69 TM |
5149 | if (!__decode_op_hdr(xdr, OP_OPEN, &status)) |
5150 | return status; | |
5151 | nfs_increment_open_seqid(status, res->seqid); | |
5152 | if (status) | |
5153 | return status; | |
93b717fd | 5154 | status = decode_open_stateid(xdr, &res->stateid); |
07d30434 | 5155 | if (unlikely(status)) |
05d564fe | 5156 | return status; |
1da177e4 | 5157 | |
05d564fe | 5158 | decode_change_info(xdr, &res->cinfo); |
1da177e4 | 5159 | |
c0eae66e BH |
5160 | p = xdr_inline_decode(xdr, 8); |
5161 | if (unlikely(!p)) | |
5162 | goto out_overflow; | |
6f723f77 | 5163 | res->rflags = be32_to_cpup(p++); |
cccddf4f | 5164 | bmlen = be32_to_cpup(p); |
05d564fe AA |
5165 | if (bmlen > 10) |
5166 | goto xdr_error; | |
1da177e4 | 5167 | |
c0eae66e BH |
5168 | p = xdr_inline_decode(xdr, bmlen << 2); |
5169 | if (unlikely(!p)) | |
5170 | goto out_overflow; | |
aa53ed54 JL |
5171 | savewords = min_t(uint32_t, bmlen, NFS4_BITMAP_SIZE); |
5172 | for (i = 0; i < savewords; ++i) | |
6f723f77 | 5173 | res->attrset[i] = be32_to_cpup(p++); |
aa53ed54 JL |
5174 | for (; i < NFS4_BITMAP_SIZE; i++) |
5175 | res->attrset[i] = 0; | |
5176 | ||
1da177e4 LT |
5177 | return decode_delegation(xdr, res); |
5178 | xdr_error: | |
3110ff80 | 5179 | dprintk("%s: Bitmap too large! Length = %u\n", __func__, bmlen); |
1da177e4 | 5180 | return -EIO; |
c0eae66e BH |
5181 | out_overflow: |
5182 | print_overflow_msg(__func__, xdr); | |
5183 | return -EIO; | |
1da177e4 LT |
5184 | } |
5185 | ||
5186 | static int decode_open_confirm(struct xdr_stream *xdr, struct nfs_open_confirmres *res) | |
5187 | { | |
1da177e4 LT |
5188 | int status; |
5189 | ||
05d564fe | 5190 | status = decode_op_hdr(xdr, OP_OPEN_CONFIRM); |
c1d51931 TM |
5191 | if (status != -EIO) |
5192 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 | 5193 | if (!status) |
93b717fd | 5194 | status = decode_open_stateid(xdr, &res->stateid); |
07d30434 | 5195 | return status; |
1da177e4 LT |
5196 | } |
5197 | ||
5198 | static int decode_open_downgrade(struct xdr_stream *xdr, struct nfs_closeres *res) | |
5199 | { | |
1da177e4 LT |
5200 | int status; |
5201 | ||
5202 | status = decode_op_hdr(xdr, OP_OPEN_DOWNGRADE); | |
c1d51931 TM |
5203 | if (status != -EIO) |
5204 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 | 5205 | if (!status) |
93b717fd | 5206 | status = decode_open_stateid(xdr, &res->stateid); |
07d30434 | 5207 | return status; |
1da177e4 LT |
5208 | } |
5209 | ||
5210 | static int decode_putfh(struct xdr_stream *xdr) | |
5211 | { | |
5212 | return decode_op_hdr(xdr, OP_PUTFH); | |
5213 | } | |
5214 | ||
5215 | static int decode_putrootfh(struct xdr_stream *xdr) | |
5216 | { | |
5217 | return decode_op_hdr(xdr, OP_PUTROOTFH); | |
5218 | } | |
5219 | ||
9137bdf3 AS |
5220 | static int decode_read(struct xdr_stream *xdr, struct rpc_rqst *req, |
5221 | struct nfs_pgio_res *res) | |
1da177e4 | 5222 | { |
8687b63a | 5223 | __be32 *p; |
64bd577e | 5224 | uint32_t count, eof, recvd; |
1da177e4 LT |
5225 | int status; |
5226 | ||
5227 | status = decode_op_hdr(xdr, OP_READ); | |
5228 | if (status) | |
5229 | return status; | |
c0eae66e BH |
5230 | p = xdr_inline_decode(xdr, 8); |
5231 | if (unlikely(!p)) | |
5232 | goto out_overflow; | |
6f723f77 | 5233 | eof = be32_to_cpup(p++); |
cccddf4f | 5234 | count = be32_to_cpup(p); |
64bd577e | 5235 | recvd = xdr_read_pages(xdr, count); |
1da177e4 | 5236 | if (count > recvd) { |
fe82a183 | 5237 | dprintk("NFS: server cheating in read reply: " |
1da177e4 LT |
5238 | "count %u > recvd %u\n", count, recvd); |
5239 | count = recvd; | |
5240 | eof = 0; | |
5241 | } | |
1da177e4 LT |
5242 | res->eof = eof; |
5243 | res->count = count; | |
5244 | return 0; | |
c0eae66e BH |
5245 | out_overflow: |
5246 | print_overflow_msg(__func__, xdr); | |
5247 | return -EIO; | |
1da177e4 LT |
5248 | } |
5249 | ||
5250 | static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs4_readdir_res *readdir) | |
5251 | { | |
bcecff77 | 5252 | int status; |
cd93710e | 5253 | __be32 verf[2]; |
1da177e4 LT |
5254 | |
5255 | status = decode_op_hdr(xdr, OP_READDIR); | |
db942bbd BH |
5256 | if (!status) |
5257 | status = decode_verifier(xdr, readdir->verifier.data); | |
5258 | if (unlikely(status)) | |
1da177e4 | 5259 | return status; |
cd93710e | 5260 | memcpy(verf, readdir->verifier.data, sizeof(verf)); |
44109241 | 5261 | dprintk("%s: verifier = %08x:%08x\n", |
cd93710e | 5262 | __func__, verf[0], verf[1]); |
64bd577e | 5263 | return xdr_read_pages(xdr, xdr->buf->page_len); |
1da177e4 LT |
5264 | } |
5265 | ||
5266 | static int decode_readlink(struct xdr_stream *xdr, struct rpc_rqst *req) | |
5267 | { | |
5268 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; | |
bcecff77 | 5269 | u32 len, recvd; |
8687b63a | 5270 | __be32 *p; |
1da177e4 LT |
5271 | int status; |
5272 | ||
5273 | status = decode_op_hdr(xdr, OP_READLINK); | |
5274 | if (status) | |
5275 | return status; | |
5276 | ||
5277 | /* Convert length of symlink */ | |
c0eae66e BH |
5278 | p = xdr_inline_decode(xdr, 4); |
5279 | if (unlikely(!p)) | |
5280 | goto out_overflow; | |
cccddf4f | 5281 | len = be32_to_cpup(p); |
1da177e4 | 5282 | if (len >= rcvbuf->page_len || len <= 0) { |
fe82a183 | 5283 | dprintk("nfs: server returned giant symlink!\n"); |
1da177e4 LT |
5284 | return -ENAMETOOLONG; |
5285 | } | |
64bd577e | 5286 | recvd = xdr_read_pages(xdr, len); |
1da177e4 | 5287 | if (recvd < len) { |
fe82a183 | 5288 | dprintk("NFS: server cheating in readlink reply: " |
1da177e4 LT |
5289 | "count %u > recvd %u\n", len, recvd); |
5290 | return -EIO; | |
5291 | } | |
1da177e4 LT |
5292 | /* |
5293 | * The XDR encode routine has set things up so that | |
5294 | * the link text will be copied directly into the | |
5295 | * buffer. We just have to do overflow-checking, | |
5296 | * and and null-terminate the text (the VFS expects | |
5297 | * null-termination). | |
5298 | */ | |
b4687da7 | 5299 | xdr_terminate_string(rcvbuf, len); |
1da177e4 | 5300 | return 0; |
c0eae66e BH |
5301 | out_overflow: |
5302 | print_overflow_msg(__func__, xdr); | |
5303 | return -EIO; | |
1da177e4 LT |
5304 | } |
5305 | ||
5306 | static int decode_remove(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
5307 | { | |
5308 | int status; | |
5309 | ||
5310 | status = decode_op_hdr(xdr, OP_REMOVE); | |
5311 | if (status) | |
5312 | goto out; | |
5313 | status = decode_change_info(xdr, cinfo); | |
5314 | out: | |
5315 | return status; | |
5316 | } | |
5317 | ||
5318 | static int decode_rename(struct xdr_stream *xdr, struct nfs4_change_info *old_cinfo, | |
5319 | struct nfs4_change_info *new_cinfo) | |
5320 | { | |
5321 | int status; | |
5322 | ||
5323 | status = decode_op_hdr(xdr, OP_RENAME); | |
5324 | if (status) | |
5325 | goto out; | |
5326 | if ((status = decode_change_info(xdr, old_cinfo))) | |
5327 | goto out; | |
5328 | status = decode_change_info(xdr, new_cinfo); | |
5329 | out: | |
5330 | return status; | |
5331 | } | |
5332 | ||
5333 | static int decode_renew(struct xdr_stream *xdr) | |
5334 | { | |
5335 | return decode_op_hdr(xdr, OP_RENEW); | |
5336 | } | |
5337 | ||
56ae19f3 TM |
5338 | static int |
5339 | decode_restorefh(struct xdr_stream *xdr) | |
5340 | { | |
5341 | return decode_op_hdr(xdr, OP_RESTOREFH); | |
5342 | } | |
5343 | ||
029d105e | 5344 | static int decode_getacl(struct xdr_stream *xdr, struct rpc_rqst *req, |
bf118a34 | 5345 | struct nfs_getaclres *res) |
029d105e | 5346 | { |
256e48bb | 5347 | unsigned int savep; |
029d105e | 5348 | uint32_t attrlen, |
dae100c2 | 5349 | bitmap[3] = {0}; |
029d105e | 5350 | int status; |
cff298c7 | 5351 | unsigned int pg_offset; |
029d105e | 5352 | |
bf118a34 | 5353 | res->acl_len = 0; |
029d105e BF |
5354 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
5355 | goto out; | |
5a006899 | 5356 | |
519d3959 TM |
5357 | xdr_enter_page(xdr, xdr->buf->page_len); |
5358 | ||
cff298c7 TM |
5359 | /* Calculate the offset of the page data */ |
5360 | pg_offset = xdr->buf->head[0].iov_len; | |
5a006899 | 5361 | |
029d105e BF |
5362 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) |
5363 | goto out; | |
5364 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
5365 | goto out; | |
5366 | ||
5367 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACL - 1U))) | |
5368 | return -EIO; | |
5369 | if (likely(bitmap[0] & FATTR4_WORD0_ACL)) { | |
029d105e | 5370 | |
bf118a34 AA |
5371 | /* The bitmap (xdr len + bitmaps) and the attr xdr len words |
5372 | * are stored with the acl data to handle the problem of | |
5373 | * variable length bitmaps.*/ | |
cff298c7 | 5374 | res->acl_data_offset = xdr_stream_pos(xdr) - pg_offset; |
519d3959 | 5375 | res->acl_len = attrlen; |
1f1ea6c2 TM |
5376 | |
5377 | /* Check for receive buffer overflow */ | |
5378 | if (res->acl_len > (xdr->nwords << 2) || | |
5379 | res->acl_len + res->acl_data_offset > xdr->buf->page_len) { | |
5380 | res->acl_flags |= NFS4_ACL_TRUNC; | |
519d3959 | 5381 | dprintk("NFS: acl reply: attrlen %u > page_len %u\n", |
cff298c7 | 5382 | attrlen, xdr->nwords << 2); |
029d105e | 5383 | } |
8c233cf9 BF |
5384 | } else |
5385 | status = -EOPNOTSUPP; | |
029d105e BF |
5386 | |
5387 | out: | |
5388 | return status; | |
5389 | } | |
5390 | ||
1da177e4 LT |
5391 | static int |
5392 | decode_savefh(struct xdr_stream *xdr) | |
5393 | { | |
5394 | return decode_op_hdr(xdr, OP_SAVEFH); | |
5395 | } | |
5396 | ||
9e9ecc03 | 5397 | static int decode_setattr(struct xdr_stream *xdr) |
1da177e4 | 5398 | { |
8687b63a | 5399 | __be32 *p; |
1da177e4 LT |
5400 | uint32_t bmlen; |
5401 | int status; | |
5402 | ||
1da177e4 LT |
5403 | status = decode_op_hdr(xdr, OP_SETATTR); |
5404 | if (status) | |
5405 | return status; | |
c0eae66e BH |
5406 | p = xdr_inline_decode(xdr, 4); |
5407 | if (unlikely(!p)) | |
5408 | goto out_overflow; | |
cccddf4f | 5409 | bmlen = be32_to_cpup(p); |
c0eae66e BH |
5410 | p = xdr_inline_decode(xdr, bmlen << 2); |
5411 | if (likely(p)) | |
5412 | return 0; | |
5413 | out_overflow: | |
5414 | print_overflow_msg(__func__, xdr); | |
5415 | return -EIO; | |
1da177e4 LT |
5416 | } |
5417 | ||
bb8b27e5 | 5418 | static int decode_setclientid(struct xdr_stream *xdr, struct nfs4_setclientid_res *res) |
1da177e4 | 5419 | { |
8687b63a | 5420 | __be32 *p; |
1da177e4 LT |
5421 | uint32_t opnum; |
5422 | int32_t nfserr; | |
5423 | ||
c0eae66e BH |
5424 | p = xdr_inline_decode(xdr, 8); |
5425 | if (unlikely(!p)) | |
5426 | goto out_overflow; | |
6f723f77 | 5427 | opnum = be32_to_cpup(p++); |
1da177e4 | 5428 | if (opnum != OP_SETCLIENTID) { |
fe82a183 | 5429 | dprintk("nfs: decode_setclientid: Server returned operation" |
6c0195a4 | 5430 | " %d\n", opnum); |
1da177e4 LT |
5431 | return -EIO; |
5432 | } | |
cccddf4f | 5433 | nfserr = be32_to_cpup(p); |
1da177e4 | 5434 | if (nfserr == NFS_OK) { |
c0eae66e BH |
5435 | p = xdr_inline_decode(xdr, 8 + NFS4_VERIFIER_SIZE); |
5436 | if (unlikely(!p)) | |
5437 | goto out_overflow; | |
bb8b27e5 TM |
5438 | p = xdr_decode_hyper(p, &res->clientid); |
5439 | memcpy(res->confirm.data, p, NFS4_VERIFIER_SIZE); | |
1da177e4 LT |
5440 | } else if (nfserr == NFSERR_CLID_INUSE) { |
5441 | uint32_t len; | |
5442 | ||
5443 | /* skip netid string */ | |
c0eae66e BH |
5444 | p = xdr_inline_decode(xdr, 4); |
5445 | if (unlikely(!p)) | |
5446 | goto out_overflow; | |
cccddf4f | 5447 | len = be32_to_cpup(p); |
c0eae66e BH |
5448 | p = xdr_inline_decode(xdr, len); |
5449 | if (unlikely(!p)) | |
5450 | goto out_overflow; | |
1da177e4 LT |
5451 | |
5452 | /* skip uaddr string */ | |
c0eae66e BH |
5453 | p = xdr_inline_decode(xdr, 4); |
5454 | if (unlikely(!p)) | |
5455 | goto out_overflow; | |
cccddf4f | 5456 | len = be32_to_cpup(p); |
c0eae66e BH |
5457 | p = xdr_inline_decode(xdr, len); |
5458 | if (unlikely(!p)) | |
5459 | goto out_overflow; | |
1da177e4 LT |
5460 | return -NFSERR_CLID_INUSE; |
5461 | } else | |
856dff3d | 5462 | return nfs4_stat_to_errno(nfserr); |
1da177e4 LT |
5463 | |
5464 | return 0; | |
c0eae66e BH |
5465 | out_overflow: |
5466 | print_overflow_msg(__func__, xdr); | |
5467 | return -EIO; | |
1da177e4 LT |
5468 | } |
5469 | ||
5470 | static int decode_setclientid_confirm(struct xdr_stream *xdr) | |
5471 | { | |
5472 | return decode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM); | |
5473 | } | |
5474 | ||
9137bdf3 | 5475 | static int decode_write(struct xdr_stream *xdr, struct nfs_pgio_res *res) |
1da177e4 | 5476 | { |
8687b63a | 5477 | __be32 *p; |
1da177e4 LT |
5478 | int status; |
5479 | ||
5480 | status = decode_op_hdr(xdr, OP_WRITE); | |
5481 | if (status) | |
5482 | return status; | |
5483 | ||
2f2c63bc | 5484 | p = xdr_inline_decode(xdr, 8); |
c0eae66e BH |
5485 | if (unlikely(!p)) |
5486 | goto out_overflow; | |
6f723f77 BH |
5487 | res->count = be32_to_cpup(p++); |
5488 | res->verf->committed = be32_to_cpup(p++); | |
2f2c63bc | 5489 | return decode_write_verifier(xdr, &res->verf->verifier); |
c0eae66e BH |
5490 | out_overflow: |
5491 | print_overflow_msg(__func__, xdr); | |
5492 | return -EIO; | |
1da177e4 LT |
5493 | } |
5494 | ||
5495 | static int decode_delegreturn(struct xdr_stream *xdr) | |
5496 | { | |
5497 | return decode_op_hdr(xdr, OP_DELEGRETURN); | |
5498 | } | |
5499 | ||
fb15b26f CL |
5500 | static int decode_secinfo_gss(struct xdr_stream *xdr, |
5501 | struct nfs4_secinfo4 *flavor) | |
5a5ea0d4 | 5502 | { |
fb15b26f | 5503 | u32 oid_len; |
5a5ea0d4 BS |
5504 | __be32 *p; |
5505 | ||
5506 | p = xdr_inline_decode(xdr, 4); | |
5507 | if (unlikely(!p)) | |
5508 | goto out_overflow; | |
fb15b26f CL |
5509 | oid_len = be32_to_cpup(p); |
5510 | if (oid_len > GSS_OID_MAX_LEN) | |
5a5ea0d4 BS |
5511 | goto out_err; |
5512 | ||
fb15b26f | 5513 | p = xdr_inline_decode(xdr, oid_len); |
5a5ea0d4 BS |
5514 | if (unlikely(!p)) |
5515 | goto out_overflow; | |
fb15b26f CL |
5516 | memcpy(flavor->flavor_info.oid.data, p, oid_len); |
5517 | flavor->flavor_info.oid.len = oid_len; | |
5a5ea0d4 BS |
5518 | |
5519 | p = xdr_inline_decode(xdr, 8); | |
5520 | if (unlikely(!p)) | |
5521 | goto out_overflow; | |
fb15b26f CL |
5522 | flavor->flavor_info.qop = be32_to_cpup(p++); |
5523 | flavor->flavor_info.service = be32_to_cpup(p); | |
5a5ea0d4 BS |
5524 | |
5525 | return 0; | |
5526 | ||
5527 | out_overflow: | |
5528 | print_overflow_msg(__func__, xdr); | |
5529 | return -EIO; | |
5530 | out_err: | |
5531 | return -EINVAL; | |
5532 | } | |
5533 | ||
31e4dda4 | 5534 | static int decode_secinfo_common(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
5a5ea0d4 | 5535 | { |
fb15b26f CL |
5536 | struct nfs4_secinfo4 *sec_flavor; |
5537 | unsigned int i, num_flavors; | |
5a5ea0d4 BS |
5538 | int status; |
5539 | __be32 *p; | |
5a5ea0d4 | 5540 | |
5a5ea0d4 BS |
5541 | p = xdr_inline_decode(xdr, 4); |
5542 | if (unlikely(!p)) | |
5543 | goto out_overflow; | |
5a5ea0d4 | 5544 | |
c3dfc280 BS |
5545 | res->flavors->num_flavors = 0; |
5546 | num_flavors = be32_to_cpup(p); | |
5547 | ||
5548 | for (i = 0; i < num_flavors; i++) { | |
5a5ea0d4 | 5549 | sec_flavor = &res->flavors->flavors[i]; |
c3dfc280 | 5550 | if ((char *)&sec_flavor[1] - (char *)res->flavors > PAGE_SIZE) |
5a5ea0d4 BS |
5551 | break; |
5552 | ||
5553 | p = xdr_inline_decode(xdr, 4); | |
5554 | if (unlikely(!p)) | |
5555 | goto out_overflow; | |
5556 | sec_flavor->flavor = be32_to_cpup(p); | |
5557 | ||
5558 | if (sec_flavor->flavor == RPC_AUTH_GSS) { | |
613e901e BS |
5559 | status = decode_secinfo_gss(xdr, sec_flavor); |
5560 | if (status) | |
5561 | goto out; | |
5a5ea0d4 | 5562 | } |
c3dfc280 | 5563 | res->flavors->num_flavors++; |
5a5ea0d4 BS |
5564 | } |
5565 | ||
31e4dda4 | 5566 | status = 0; |
613e901e BS |
5567 | out: |
5568 | return status; | |
5a5ea0d4 BS |
5569 | out_overflow: |
5570 | print_overflow_msg(__func__, xdr); | |
5571 | return -EIO; | |
5572 | } | |
5573 | ||
31e4dda4 BS |
5574 | static int decode_secinfo(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
5575 | { | |
5576 | int status = decode_op_hdr(xdr, OP_SECINFO); | |
5577 | if (status) | |
5578 | return status; | |
5579 | return decode_secinfo_common(xdr, res); | |
5580 | } | |
5581 | ||
99fe60d0 | 5582 | #if defined(CONFIG_NFS_V4_1) |
31e4dda4 BS |
5583 | static int decode_secinfo_no_name(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
5584 | { | |
5585 | int status = decode_op_hdr(xdr, OP_SECINFO_NO_NAME); | |
5586 | if (status) | |
5587 | return status; | |
5588 | return decode_secinfo_common(xdr, res); | |
5589 | } | |
5590 | ||
2031cd1a WAA |
5591 | static int decode_op_map(struct xdr_stream *xdr, struct nfs4_op_map *op_map) |
5592 | { | |
5593 | __be32 *p; | |
5594 | uint32_t bitmap_words; | |
5595 | unsigned int i; | |
5596 | ||
5597 | p = xdr_inline_decode(xdr, 4); | |
5598 | bitmap_words = be32_to_cpup(p++); | |
5599 | if (bitmap_words > NFS4_OP_MAP_NUM_WORDS) | |
5600 | return -EIO; | |
5601 | p = xdr_inline_decode(xdr, 4 * bitmap_words); | |
5602 | for (i = 0; i < bitmap_words; i++) | |
5603 | op_map->u.words[i] = be32_to_cpup(p++); | |
5604 | ||
5605 | return 0; | |
5606 | } | |
5607 | ||
99fe60d0 BH |
5608 | static int decode_exchange_id(struct xdr_stream *xdr, |
5609 | struct nfs41_exchange_id_res *res) | |
5610 | { | |
5611 | __be32 *p; | |
5612 | uint32_t dummy; | |
2460ba57 | 5613 | char *dummy_str; |
99fe60d0 | 5614 | int status; |
7d2ed9ac | 5615 | uint32_t impl_id_count; |
99fe60d0 BH |
5616 | |
5617 | status = decode_op_hdr(xdr, OP_EXCHANGE_ID); | |
5618 | if (status) | |
5619 | return status; | |
5620 | ||
c0eae66e BH |
5621 | p = xdr_inline_decode(xdr, 8); |
5622 | if (unlikely(!p)) | |
5623 | goto out_overflow; | |
32b01310 | 5624 | xdr_decode_hyper(p, &res->clientid); |
c0eae66e BH |
5625 | p = xdr_inline_decode(xdr, 12); |
5626 | if (unlikely(!p)) | |
5627 | goto out_overflow; | |
32b01310 TM |
5628 | res->seqid = be32_to_cpup(p++); |
5629 | res->flags = be32_to_cpup(p++); | |
99fe60d0 | 5630 | |
2031cd1a WAA |
5631 | res->state_protect.how = be32_to_cpup(p); |
5632 | switch (res->state_protect.how) { | |
5633 | case SP4_NONE: | |
5634 | break; | |
5635 | case SP4_MACH_CRED: | |
5636 | status = decode_op_map(xdr, &res->state_protect.enforce); | |
5637 | if (status) | |
5638 | return status; | |
5639 | status = decode_op_map(xdr, &res->state_protect.allow); | |
5640 | if (status) | |
5641 | return status; | |
5642 | break; | |
5643 | default: | |
5644 | WARN_ON_ONCE(1); | |
99fe60d0 | 5645 | return -EIO; |
2031cd1a | 5646 | } |
99fe60d0 | 5647 | |
acdeb69d | 5648 | /* server_owner4.so_minor_id */ |
c0eae66e BH |
5649 | p = xdr_inline_decode(xdr, 8); |
5650 | if (unlikely(!p)) | |
5651 | goto out_overflow; | |
acdeb69d | 5652 | p = xdr_decode_hyper(p, &res->server_owner->minor_id); |
99fe60d0 | 5653 | |
acdeb69d | 5654 | /* server_owner4.so_major_id */ |
2460ba57 BH |
5655 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
5656 | if (unlikely(status)) | |
5657 | return status; | |
acdeb69d CL |
5658 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) |
5659 | return -EIO; | |
5660 | memcpy(res->server_owner->major_id, dummy_str, dummy); | |
5661 | res->server_owner->major_id_sz = dummy; | |
99fe60d0 | 5662 | |
acdeb69d | 5663 | /* server_scope4 */ |
2460ba57 BH |
5664 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
5665 | if (unlikely(status)) | |
5666 | return status; | |
78fe0f41 WAA |
5667 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) |
5668 | return -EIO; | |
78fe0f41 WAA |
5669 | memcpy(res->server_scope->server_scope, dummy_str, dummy); |
5670 | res->server_scope->server_scope_sz = dummy; | |
5671 | ||
7d2ed9ac WAA |
5672 | /* Implementation Id */ |
5673 | p = xdr_inline_decode(xdr, 4); | |
5674 | if (unlikely(!p)) | |
5675 | goto out_overflow; | |
5676 | impl_id_count = be32_to_cpup(p++); | |
99fe60d0 | 5677 | |
7d2ed9ac WAA |
5678 | if (impl_id_count) { |
5679 | /* nii_domain */ | |
5680 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); | |
5681 | if (unlikely(status)) | |
5682 | return status; | |
5683 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) | |
5684 | return -EIO; | |
5685 | memcpy(res->impl_id->domain, dummy_str, dummy); | |
5686 | ||
5687 | /* nii_name */ | |
5688 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); | |
5689 | if (unlikely(status)) | |
5690 | return status; | |
5691 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) | |
5692 | return -EIO; | |
5693 | memcpy(res->impl_id->name, dummy_str, dummy); | |
5694 | ||
5695 | /* nii_date */ | |
5696 | p = xdr_inline_decode(xdr, 12); | |
5697 | if (unlikely(!p)) | |
5698 | goto out_overflow; | |
5699 | p = xdr_decode_hyper(p, &res->impl_id->date.seconds); | |
5700 | res->impl_id->date.nseconds = be32_to_cpup(p); | |
5701 | ||
5702 | /* if there's more than one entry, ignore the rest */ | |
5703 | } | |
99fe60d0 | 5704 | return 0; |
c0eae66e BH |
5705 | out_overflow: |
5706 | print_overflow_msg(__func__, xdr); | |
5707 | return -EIO; | |
99fe60d0 | 5708 | } |
fc931582 AA |
5709 | |
5710 | static int decode_chan_attrs(struct xdr_stream *xdr, | |
5711 | struct nfs4_channel_attrs *attrs) | |
5712 | { | |
5713 | __be32 *p; | |
c9c30dd5 | 5714 | u32 nr_attrs, val; |
fc931582 | 5715 | |
c0eae66e BH |
5716 | p = xdr_inline_decode(xdr, 28); |
5717 | if (unlikely(!p)) | |
5718 | goto out_overflow; | |
c9c30dd5 BH |
5719 | val = be32_to_cpup(p++); /* headerpadsz */ |
5720 | if (val) | |
5721 | return -EINVAL; /* no support for header padding yet */ | |
6f723f77 BH |
5722 | attrs->max_rqst_sz = be32_to_cpup(p++); |
5723 | attrs->max_resp_sz = be32_to_cpup(p++); | |
5724 | attrs->max_resp_sz_cached = be32_to_cpup(p++); | |
5725 | attrs->max_ops = be32_to_cpup(p++); | |
5726 | attrs->max_reqs = be32_to_cpup(p++); | |
cccddf4f | 5727 | nr_attrs = be32_to_cpup(p); |
fc931582 | 5728 | if (unlikely(nr_attrs > 1)) { |
a030889a WAA |
5729 | printk(KERN_WARNING "NFS: %s: Invalid rdma channel attrs " |
5730 | "count %u\n", __func__, nr_attrs); | |
fc931582 AA |
5731 | return -EINVAL; |
5732 | } | |
c0eae66e BH |
5733 | if (nr_attrs == 1) { |
5734 | p = xdr_inline_decode(xdr, 4); /* skip rdma_attrs */ | |
5735 | if (unlikely(!p)) | |
5736 | goto out_overflow; | |
5737 | } | |
fc931582 | 5738 | return 0; |
c0eae66e BH |
5739 | out_overflow: |
5740 | print_overflow_msg(__func__, xdr); | |
5741 | return -EIO; | |
fc931582 AA |
5742 | } |
5743 | ||
e78291e4 BH |
5744 | static int decode_sessionid(struct xdr_stream *xdr, struct nfs4_sessionid *sid) |
5745 | { | |
5746 | return decode_opaque_fixed(xdr, sid->data, NFS4_MAX_SESSIONID_LEN); | |
fc931582 AA |
5747 | } |
5748 | ||
7c44f1ae WAA |
5749 | static int decode_bind_conn_to_session(struct xdr_stream *xdr, |
5750 | struct nfs41_bind_conn_to_session_res *res) | |
5751 | { | |
5752 | __be32 *p; | |
5753 | int status; | |
5754 | ||
5755 | status = decode_op_hdr(xdr, OP_BIND_CONN_TO_SESSION); | |
5756 | if (!status) | |
71a097c6 | 5757 | status = decode_sessionid(xdr, &res->sessionid); |
7c44f1ae WAA |
5758 | if (unlikely(status)) |
5759 | return status; | |
5760 | ||
5761 | /* dir flags, rdma mode bool */ | |
5762 | p = xdr_inline_decode(xdr, 8); | |
5763 | if (unlikely(!p)) | |
5764 | goto out_overflow; | |
5765 | ||
5766 | res->dir = be32_to_cpup(p++); | |
5767 | if (res->dir == 0 || res->dir > NFS4_CDFS4_BOTH) | |
5768 | return -EIO; | |
5769 | if (be32_to_cpup(p) == 0) | |
5770 | res->use_conn_in_rdma_mode = false; | |
5771 | else | |
5772 | res->use_conn_in_rdma_mode = true; | |
5773 | ||
5774 | return 0; | |
5775 | out_overflow: | |
5776 | print_overflow_msg(__func__, xdr); | |
5777 | return -EIO; | |
5778 | } | |
5779 | ||
fc931582 AA |
5780 | static int decode_create_session(struct xdr_stream *xdr, |
5781 | struct nfs41_create_session_res *res) | |
5782 | { | |
5783 | __be32 *p; | |
5784 | int status; | |
fc931582 AA |
5785 | |
5786 | status = decode_op_hdr(xdr, OP_CREATE_SESSION); | |
e78291e4 | 5787 | if (!status) |
79969dd1 | 5788 | status = decode_sessionid(xdr, &res->sessionid); |
e78291e4 | 5789 | if (unlikely(status)) |
fc931582 AA |
5790 | return status; |
5791 | ||
fc931582 | 5792 | /* seqid, flags */ |
c0eae66e BH |
5793 | p = xdr_inline_decode(xdr, 8); |
5794 | if (unlikely(!p)) | |
5795 | goto out_overflow; | |
79969dd1 TM |
5796 | res->seqid = be32_to_cpup(p++); |
5797 | res->flags = be32_to_cpup(p); | |
fc931582 AA |
5798 | |
5799 | /* Channel attributes */ | |
79969dd1 | 5800 | status = decode_chan_attrs(xdr, &res->fc_attrs); |
fc931582 | 5801 | if (!status) |
79969dd1 | 5802 | status = decode_chan_attrs(xdr, &res->bc_attrs); |
fc931582 | 5803 | return status; |
c0eae66e BH |
5804 | out_overflow: |
5805 | print_overflow_msg(__func__, xdr); | |
5806 | return -EIO; | |
fc931582 | 5807 | } |
0f3e66c6 AA |
5808 | |
5809 | static int decode_destroy_session(struct xdr_stream *xdr, void *dummy) | |
5810 | { | |
5811 | return decode_op_hdr(xdr, OP_DESTROY_SESSION); | |
5812 | } | |
18019753 | 5813 | |
66245539 TM |
5814 | static int decode_destroy_clientid(struct xdr_stream *xdr, void *dummy) |
5815 | { | |
5816 | return decode_op_hdr(xdr, OP_DESTROY_CLIENTID); | |
5817 | } | |
5818 | ||
18019753 RL |
5819 | static int decode_reclaim_complete(struct xdr_stream *xdr, void *dummy) |
5820 | { | |
5821 | return decode_op_hdr(xdr, OP_RECLAIM_COMPLETE); | |
5822 | } | |
99fe60d0 BH |
5823 | #endif /* CONFIG_NFS_V4_1 */ |
5824 | ||
9b7b9fcc AA |
5825 | static int decode_sequence(struct xdr_stream *xdr, |
5826 | struct nfs4_sequence_res *res, | |
5827 | struct rpc_rqst *rqstp) | |
5828 | { | |
5829 | #if defined(CONFIG_NFS_V4_1) | |
e3725ec0 | 5830 | struct nfs4_session *session; |
fc01cea9 AA |
5831 | struct nfs4_sessionid id; |
5832 | u32 dummy; | |
5833 | int status; | |
5834 | __be32 *p; | |
5835 | ||
e3725ec0 | 5836 | if (res->sr_slot == NULL) |
9b7b9fcc | 5837 | return 0; |
3bd2384a CL |
5838 | if (!res->sr_slot->table->session) |
5839 | return 0; | |
9b7b9fcc | 5840 | |
fc01cea9 | 5841 | status = decode_op_hdr(xdr, OP_SEQUENCE); |
e78291e4 BH |
5842 | if (!status) |
5843 | status = decode_sessionid(xdr, &id); | |
5844 | if (unlikely(status)) | |
fc01cea9 | 5845 | goto out_err; |
9b7b9fcc | 5846 | |
fc01cea9 AA |
5847 | /* |
5848 | * If the server returns different values for sessionID, slotID or | |
5849 | * sequence number, the server is looney tunes. | |
5850 | */ | |
fdcb4577 | 5851 | status = -EREMOTEIO; |
e3725ec0 | 5852 | session = res->sr_slot->table->session; |
fc01cea9 | 5853 | |
e3725ec0 | 5854 | if (memcmp(id.data, session->sess_id.data, |
fc01cea9 AA |
5855 | NFS4_MAX_SESSIONID_LEN)) { |
5856 | dprintk("%s Invalid session id\n", __func__); | |
5857 | goto out_err; | |
5858 | } | |
e78291e4 | 5859 | |
c0eae66e BH |
5860 | p = xdr_inline_decode(xdr, 20); |
5861 | if (unlikely(!p)) | |
5862 | goto out_overflow; | |
e78291e4 | 5863 | |
fc01cea9 | 5864 | /* seqid */ |
6f723f77 | 5865 | dummy = be32_to_cpup(p++); |
dfb4f309 | 5866 | if (dummy != res->sr_slot->seq_nr) { |
fc01cea9 AA |
5867 | dprintk("%s Invalid sequence number\n", __func__); |
5868 | goto out_err; | |
5869 | } | |
5870 | /* slot id */ | |
6f723f77 | 5871 | dummy = be32_to_cpup(p++); |
df2fabff | 5872 | if (dummy != res->sr_slot->slot_nr) { |
fc01cea9 AA |
5873 | dprintk("%s Invalid slot id\n", __func__); |
5874 | goto out_err; | |
5875 | } | |
da0507b7 TM |
5876 | /* highest slot id */ |
5877 | res->sr_highest_slotid = be32_to_cpup(p++); | |
464ee9f9 TM |
5878 | /* target highest slot id */ |
5879 | res->sr_target_highest_slotid = be32_to_cpup(p++); | |
0629e370 AB |
5880 | /* result flags */ |
5881 | res->sr_status_flags = be32_to_cpup(p); | |
fc01cea9 AA |
5882 | status = 0; |
5883 | out_err: | |
5884 | res->sr_status = status; | |
5885 | return status; | |
c0eae66e BH |
5886 | out_overflow: |
5887 | print_overflow_msg(__func__, xdr); | |
5888 | status = -EIO; | |
5889 | goto out_err; | |
fc01cea9 | 5890 | #else /* CONFIG_NFS_V4_1 */ |
9b7b9fcc | 5891 | return 0; |
fc01cea9 | 5892 | #endif /* CONFIG_NFS_V4_1 */ |
9b7b9fcc AA |
5893 | } |
5894 | ||
b1f69b75 | 5895 | #if defined(CONFIG_NFS_V4_1) |
93b717fd TM |
5896 | static int decode_layout_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) |
5897 | { | |
5898 | stateid->type = NFS4_LAYOUT_STATEID_TYPE; | |
5899 | return decode_stateid(xdr, stateid); | |
5900 | } | |
5901 | ||
b1f69b75 | 5902 | static int decode_getdeviceinfo(struct xdr_stream *xdr, |
4e590803 | 5903 | struct nfs4_getdeviceinfo_res *res) |
b1f69b75 | 5904 | { |
4e590803 | 5905 | struct pnfs_device *pdev = res->pdev; |
b1f69b75 AA |
5906 | __be32 *p; |
5907 | uint32_t len, type; | |
5908 | int status; | |
5909 | ||
5910 | status = decode_op_hdr(xdr, OP_GETDEVICEINFO); | |
5911 | if (status) { | |
5912 | if (status == -ETOOSMALL) { | |
5913 | p = xdr_inline_decode(xdr, 4); | |
5914 | if (unlikely(!p)) | |
5915 | goto out_overflow; | |
5916 | pdev->mincount = be32_to_cpup(p); | |
5917 | dprintk("%s: Min count too small. mincnt = %u\n", | |
5918 | __func__, pdev->mincount); | |
5919 | } | |
5920 | return status; | |
5921 | } | |
5922 | ||
5923 | p = xdr_inline_decode(xdr, 8); | |
5924 | if (unlikely(!p)) | |
5925 | goto out_overflow; | |
5926 | type = be32_to_cpup(p++); | |
5927 | if (type != pdev->layout_type) { | |
5928 | dprintk("%s: layout mismatch req: %u pdev: %u\n", | |
5929 | __func__, pdev->layout_type, type); | |
5930 | return -EINVAL; | |
5931 | } | |
5932 | /* | |
5933 | * Get the length of the opaque device_addr4. xdr_read_pages places | |
5934 | * the opaque device_addr4 in the xdr_buf->pages (pnfs_device->pages) | |
5935 | * and places the remaining xdr data in xdr_buf->tail | |
5936 | */ | |
5937 | pdev->mincount = be32_to_cpup(p); | |
13fe4ba1 TM |
5938 | if (xdr_read_pages(xdr, pdev->mincount) != pdev->mincount) |
5939 | goto out_overflow; | |
b1f69b75 AA |
5940 | |
5941 | /* Parse notification bitmap, verifying that it is zero. */ | |
5942 | p = xdr_inline_decode(xdr, 4); | |
5943 | if (unlikely(!p)) | |
5944 | goto out_overflow; | |
5945 | len = be32_to_cpup(p); | |
5946 | if (len) { | |
ead00597 | 5947 | uint32_t i; |
b1f69b75 AA |
5948 | |
5949 | p = xdr_inline_decode(xdr, 4 * len); | |
5950 | if (unlikely(!p)) | |
5951 | goto out_overflow; | |
84c9dee3 | 5952 | |
4e590803 | 5953 | res->notification = be32_to_cpup(p++); |
84c9dee3 CH |
5954 | for (i = 1; i < len; i++) { |
5955 | if (be32_to_cpup(p++)) { | |
5956 | dprintk("%s: unsupported notification\n", | |
b1f69b75 AA |
5957 | __func__); |
5958 | return -EIO; | |
5959 | } | |
5960 | } | |
5961 | } | |
5962 | return 0; | |
5963 | out_overflow: | |
5964 | print_overflow_msg(__func__, xdr); | |
5965 | return -EIO; | |
5966 | } | |
5967 | ||
5968 | static int decode_layoutget(struct xdr_stream *xdr, struct rpc_rqst *req, | |
5969 | struct nfs4_layoutget_res *res) | |
5970 | { | |
5971 | __be32 *p; | |
5972 | int status; | |
5973 | u32 layout_count; | |
64bd577e | 5974 | u32 recvd; |
b1f69b75 AA |
5975 | |
5976 | status = decode_op_hdr(xdr, OP_LAYOUTGET); | |
5977 | if (status) | |
5978 | return status; | |
ea9d23f5 TM |
5979 | p = xdr_inline_decode(xdr, 4); |
5980 | if (unlikely(!p)) | |
5981 | goto out_overflow; | |
5982 | res->return_on_close = be32_to_cpup(p); | |
93b717fd | 5983 | decode_layout_stateid(xdr, &res->stateid); |
ea9d23f5 | 5984 | p = xdr_inline_decode(xdr, 4); |
b1f69b75 AA |
5985 | if (unlikely(!p)) |
5986 | goto out_overflow; | |
b1f69b75 AA |
5987 | layout_count = be32_to_cpup(p); |
5988 | if (!layout_count) { | |
5989 | dprintk("%s: server responded with empty layout array\n", | |
5990 | __func__); | |
5991 | return -EINVAL; | |
5992 | } | |
5993 | ||
35124a09 | 5994 | p = xdr_inline_decode(xdr, 28); |
b1f69b75 AA |
5995 | if (unlikely(!p)) |
5996 | goto out_overflow; | |
5997 | p = xdr_decode_hyper(p, &res->range.offset); | |
5998 | p = xdr_decode_hyper(p, &res->range.length); | |
5999 | res->range.iomode = be32_to_cpup(p++); | |
6000 | res->type = be32_to_cpup(p++); | |
35124a09 | 6001 | res->layoutp->len = be32_to_cpup(p); |
b1f69b75 AA |
6002 | |
6003 | dprintk("%s roff:%lu rlen:%lu riomode:%d, lo_type:0x%x, lo.len:%d\n", | |
6004 | __func__, | |
6005 | (unsigned long)res->range.offset, | |
6006 | (unsigned long)res->range.length, | |
6007 | res->range.iomode, | |
6008 | res->type, | |
35124a09 WAA |
6009 | res->layoutp->len); |
6010 | ||
64bd577e | 6011 | recvd = xdr_read_pages(xdr, res->layoutp->len); |
35124a09 WAA |
6012 | if (res->layoutp->len > recvd) { |
6013 | dprintk("NFS: server cheating in layoutget reply: " | |
6014 | "layout len %u > recvd %u\n", | |
6015 | res->layoutp->len, recvd); | |
6016 | return -EINVAL; | |
6017 | } | |
b1f69b75 | 6018 | |
b1f69b75 AA |
6019 | if (layout_count > 1) { |
6020 | /* We only handle a length one array at the moment. Any | |
6021 | * further entries are just ignored. Note that this means | |
6022 | * the client may see a response that is less than the | |
6023 | * minimum it requested. | |
6024 | */ | |
6025 | dprintk("%s: server responded with %d layouts, dropping tail\n", | |
6026 | __func__, layout_count); | |
6027 | } | |
6028 | ||
6029 | return 0; | |
6030 | out_overflow: | |
6031 | print_overflow_msg(__func__, xdr); | |
6032 | return -EIO; | |
6033 | } | |
863a3c6c | 6034 | |
cbe82603 BH |
6035 | static int decode_layoutreturn(struct xdr_stream *xdr, |
6036 | struct nfs4_layoutreturn_res *res) | |
6037 | { | |
6038 | __be32 *p; | |
6039 | int status; | |
6040 | ||
6041 | status = decode_op_hdr(xdr, OP_LAYOUTRETURN); | |
6042 | if (status) | |
6043 | return status; | |
6044 | p = xdr_inline_decode(xdr, 4); | |
6045 | if (unlikely(!p)) | |
6046 | goto out_overflow; | |
6047 | res->lrs_present = be32_to_cpup(p); | |
6048 | if (res->lrs_present) | |
93b717fd | 6049 | status = decode_layout_stateid(xdr, &res->stateid); |
cbe82603 BH |
6050 | return status; |
6051 | out_overflow: | |
6052 | print_overflow_msg(__func__, xdr); | |
6053 | return -EIO; | |
6054 | } | |
6055 | ||
863a3c6c AA |
6056 | static int decode_layoutcommit(struct xdr_stream *xdr, |
6057 | struct rpc_rqst *req, | |
6058 | struct nfs4_layoutcommit_res *res) | |
6059 | { | |
6060 | __be32 *p; | |
6061 | __u32 sizechanged; | |
6062 | int status; | |
6063 | ||
6064 | status = decode_op_hdr(xdr, OP_LAYOUTCOMMIT); | |
db29c089 | 6065 | res->status = status; |
863a3c6c AA |
6066 | if (status) |
6067 | return status; | |
6068 | ||
6069 | p = xdr_inline_decode(xdr, 4); | |
6070 | if (unlikely(!p)) | |
6071 | goto out_overflow; | |
6072 | sizechanged = be32_to_cpup(p); | |
6073 | ||
6074 | if (sizechanged) { | |
6075 | /* throw away new size */ | |
6076 | p = xdr_inline_decode(xdr, 8); | |
6077 | if (unlikely(!p)) | |
6078 | goto out_overflow; | |
6079 | } | |
6080 | return 0; | |
6081 | out_overflow: | |
6082 | print_overflow_msg(__func__, xdr); | |
6083 | return -EIO; | |
6084 | } | |
7d974794 BS |
6085 | |
6086 | static int decode_test_stateid(struct xdr_stream *xdr, | |
6087 | struct nfs41_test_stateid_res *res) | |
6088 | { | |
6089 | __be32 *p; | |
6090 | int status; | |
6091 | int num_res; | |
6092 | ||
6093 | status = decode_op_hdr(xdr, OP_TEST_STATEID); | |
6094 | if (status) | |
6095 | return status; | |
6096 | ||
6097 | p = xdr_inline_decode(xdr, 4); | |
6098 | if (unlikely(!p)) | |
6099 | goto out_overflow; | |
6100 | num_res = be32_to_cpup(p++); | |
6101 | if (num_res != 1) | |
6102 | goto out; | |
6103 | ||
6104 | p = xdr_inline_decode(xdr, 4); | |
6105 | if (unlikely(!p)) | |
6106 | goto out_overflow; | |
6107 | res->status = be32_to_cpup(p++); | |
1cab0652 BS |
6108 | |
6109 | return status; | |
7d974794 BS |
6110 | out_overflow: |
6111 | print_overflow_msg(__func__, xdr); | |
6112 | out: | |
6113 | return -EIO; | |
6114 | } | |
9aeda35f BS |
6115 | |
6116 | static int decode_free_stateid(struct xdr_stream *xdr, | |
6117 | struct nfs41_free_stateid_res *res) | |
6118 | { | |
9f79fb48 | 6119 | res->status = decode_op_hdr(xdr, OP_FREE_STATEID); |
9aeda35f | 6120 | return res->status; |
9aeda35f | 6121 | } |
cf805165 TM |
6122 | #else |
6123 | static inline | |
6124 | int decode_layoutreturn(struct xdr_stream *xdr, | |
6125 | struct nfs4_layoutreturn_res *res) | |
6126 | { | |
6127 | return 0; | |
6128 | } | |
b1f69b75 AA |
6129 | #endif /* CONFIG_NFS_V4_1 */ |
6130 | ||
49c2559e BH |
6131 | /* |
6132 | * END OF "GENERIC" DECODE ROUTINES. | |
6133 | */ | |
6134 | ||
1da177e4 LT |
6135 | /* |
6136 | * Decode OPEN_DOWNGRADE response | |
6137 | */ | |
bf269551 CL |
6138 | static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst *rqstp, |
6139 | struct xdr_stream *xdr, | |
6140 | struct nfs_closeres *res) | |
1da177e4 | 6141 | { |
05d564fe AA |
6142 | struct compound_hdr hdr; |
6143 | int status; | |
6144 | ||
bf269551 | 6145 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6146 | if (status) |
6147 | goto out; | |
bf269551 | 6148 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6149 | if (status) |
6150 | goto out; | |
bf269551 | 6151 | status = decode_putfh(xdr); |
05d564fe AA |
6152 | if (status) |
6153 | goto out; | |
bf269551 | 6154 | status = decode_open_downgrade(xdr, res); |
1da177e4 | 6155 | out: |
05d564fe | 6156 | return status; |
1da177e4 LT |
6157 | } |
6158 | ||
1da177e4 LT |
6159 | /* |
6160 | * Decode ACCESS response | |
6161 | */ | |
bf269551 CL |
6162 | static int nfs4_xdr_dec_access(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6163 | struct nfs4_accessres *res) | |
1da177e4 | 6164 | { |
1da177e4 LT |
6165 | struct compound_hdr hdr; |
6166 | int status; | |
6c0195a4 | 6167 | |
bf269551 | 6168 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6169 | if (status) |
6170 | goto out; | |
bf269551 | 6171 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6172 | if (status) |
1da177e4 | 6173 | goto out; |
bf269551 | 6174 | status = decode_putfh(xdr); |
76b32999 TM |
6175 | if (status != 0) |
6176 | goto out; | |
6168f62c | 6177 | status = decode_access(xdr, &res->supported, &res->access); |
76b32999 TM |
6178 | if (status != 0) |
6179 | goto out; | |
6926afd1 | 6180 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6181 | out: |
6182 | return status; | |
6183 | } | |
6184 | ||
6185 | /* | |
6186 | * Decode LOOKUP response | |
6187 | */ | |
bf269551 CL |
6188 | static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6189 | struct nfs4_lookup_res *res) | |
1da177e4 | 6190 | { |
1da177e4 LT |
6191 | struct compound_hdr hdr; |
6192 | int status; | |
6c0195a4 | 6193 | |
bf269551 | 6194 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6195 | if (status) |
6196 | goto out; | |
bf269551 | 6197 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6198 | if (status) |
1da177e4 | 6199 | goto out; |
bf269551 CL |
6200 | status = decode_putfh(xdr); |
6201 | if (status) | |
1da177e4 | 6202 | goto out; |
bf269551 CL |
6203 | status = decode_lookup(xdr); |
6204 | if (status) | |
1da177e4 | 6205 | goto out; |
bf269551 CL |
6206 | status = decode_getfh(xdr, res->fh); |
6207 | if (status) | |
1da177e4 | 6208 | goto out; |
aa9c2669 | 6209 | status = decode_getfattr_label(xdr, res->fattr, res->label, res->server); |
1da177e4 LT |
6210 | out: |
6211 | return status; | |
6212 | } | |
6213 | ||
6214 | /* | |
6215 | * Decode LOOKUP_ROOT response | |
6216 | */ | |
bf269551 CL |
6217 | static int nfs4_xdr_dec_lookup_root(struct rpc_rqst *rqstp, |
6218 | struct xdr_stream *xdr, | |
6219 | struct nfs4_lookup_res *res) | |
1da177e4 | 6220 | { |
1da177e4 LT |
6221 | struct compound_hdr hdr; |
6222 | int status; | |
6c0195a4 | 6223 | |
bf269551 | 6224 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6225 | if (status) |
6226 | goto out; | |
bf269551 | 6227 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6228 | if (status) |
1da177e4 | 6229 | goto out; |
bf269551 CL |
6230 | status = decode_putrootfh(xdr); |
6231 | if (status) | |
1da177e4 | 6232 | goto out; |
bf269551 CL |
6233 | status = decode_getfh(xdr, res->fh); |
6234 | if (status == 0) | |
aa9c2669 DQ |
6235 | status = decode_getfattr_label(xdr, res->fattr, |
6236 | res->label, res->server); | |
1da177e4 LT |
6237 | out: |
6238 | return status; | |
6239 | } | |
6240 | ||
6241 | /* | |
6242 | * Decode REMOVE response | |
6243 | */ | |
bf269551 CL |
6244 | static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6245 | struct nfs_removeres *res) | |
1da177e4 | 6246 | { |
1da177e4 LT |
6247 | struct compound_hdr hdr; |
6248 | int status; | |
6c0195a4 | 6249 | |
bf269551 | 6250 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6251 | if (status) |
6252 | goto out; | |
bf269551 | 6253 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6254 | if (status) |
1da177e4 | 6255 | goto out; |
bf269551 CL |
6256 | status = decode_putfh(xdr); |
6257 | if (status) | |
16e42959 | 6258 | goto out; |
bf269551 | 6259 | status = decode_remove(xdr, &res->cinfo); |
1da177e4 LT |
6260 | out: |
6261 | return status; | |
6262 | } | |
6263 | ||
6264 | /* | |
6265 | * Decode RENAME response | |
6266 | */ | |
bf269551 CL |
6267 | static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6268 | struct nfs_renameres *res) | |
1da177e4 | 6269 | { |
1da177e4 LT |
6270 | struct compound_hdr hdr; |
6271 | int status; | |
6c0195a4 | 6272 | |
bf269551 | 6273 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6274 | if (status) |
6275 | goto out; | |
bf269551 | 6276 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6277 | if (status) |
1da177e4 | 6278 | goto out; |
bf269551 CL |
6279 | status = decode_putfh(xdr); |
6280 | if (status) | |
1da177e4 | 6281 | goto out; |
bf269551 CL |
6282 | status = decode_savefh(xdr); |
6283 | if (status) | |
1da177e4 | 6284 | goto out; |
bf269551 CL |
6285 | status = decode_putfh(xdr); |
6286 | if (status) | |
1da177e4 | 6287 | goto out; |
bf269551 | 6288 | status = decode_rename(xdr, &res->old_cinfo, &res->new_cinfo); |
1da177e4 LT |
6289 | out: |
6290 | return status; | |
6291 | } | |
6292 | ||
6293 | /* | |
6294 | * Decode LINK response | |
6295 | */ | |
bf269551 CL |
6296 | static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6297 | struct nfs4_link_res *res) | |
1da177e4 | 6298 | { |
1da177e4 LT |
6299 | struct compound_hdr hdr; |
6300 | int status; | |
6c0195a4 | 6301 | |
bf269551 | 6302 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6303 | if (status) |
6304 | goto out; | |
bf269551 | 6305 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6306 | if (status) |
1da177e4 | 6307 | goto out; |
bf269551 CL |
6308 | status = decode_putfh(xdr); |
6309 | if (status) | |
1da177e4 | 6310 | goto out; |
bf269551 CL |
6311 | status = decode_savefh(xdr); |
6312 | if (status) | |
1da177e4 | 6313 | goto out; |
bf269551 CL |
6314 | status = decode_putfh(xdr); |
6315 | if (status) | |
1da177e4 | 6316 | goto out; |
bf269551 CL |
6317 | status = decode_link(xdr, &res->cinfo); |
6318 | if (status) | |
91ba2eee TM |
6319 | goto out; |
6320 | /* | |
6321 | * Note order: OP_LINK leaves the directory as the current | |
6322 | * filehandle. | |
6323 | */ | |
bf269551 CL |
6324 | status = decode_restorefh(xdr); |
6325 | if (status) | |
91ba2eee | 6326 | goto out; |
aa9c2669 | 6327 | decode_getfattr_label(xdr, res->fattr, res->label, res->server); |
1da177e4 LT |
6328 | out: |
6329 | return status; | |
6330 | } | |
6331 | ||
6332 | /* | |
6333 | * Decode CREATE response | |
6334 | */ | |
bf269551 CL |
6335 | static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6336 | struct nfs4_create_res *res) | |
1da177e4 | 6337 | { |
1da177e4 LT |
6338 | struct compound_hdr hdr; |
6339 | int status; | |
6c0195a4 | 6340 | |
bf269551 | 6341 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6342 | if (status) |
6343 | goto out; | |
bf269551 | 6344 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6345 | if (status) |
1da177e4 | 6346 | goto out; |
bf269551 | 6347 | status = decode_putfh(xdr); |
bf269551 | 6348 | if (status) |
56ae19f3 | 6349 | goto out; |
bf269551 CL |
6350 | status = decode_create(xdr, &res->dir_cinfo); |
6351 | if (status) | |
1da177e4 | 6352 | goto out; |
bf269551 CL |
6353 | status = decode_getfh(xdr, res->fh); |
6354 | if (status) | |
1da177e4 | 6355 | goto out; |
aa9c2669 | 6356 | decode_getfattr_label(xdr, res->fattr, res->label, res->server); |
1da177e4 LT |
6357 | out: |
6358 | return status; | |
6359 | } | |
6360 | ||
6361 | /* | |
6362 | * Decode SYMLINK response | |
6363 | */ | |
bf269551 CL |
6364 | static int nfs4_xdr_dec_symlink(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6365 | struct nfs4_create_res *res) | |
1da177e4 | 6366 | { |
bf269551 | 6367 | return nfs4_xdr_dec_create(rqstp, xdr, res); |
1da177e4 LT |
6368 | } |
6369 | ||
6370 | /* | |
6371 | * Decode GETATTR response | |
6372 | */ | |
bf269551 CL |
6373 | static int nfs4_xdr_dec_getattr(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6374 | struct nfs4_getattr_res *res) | |
1da177e4 | 6375 | { |
1da177e4 LT |
6376 | struct compound_hdr hdr; |
6377 | int status; | |
6c0195a4 | 6378 | |
bf269551 | 6379 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6380 | if (status) |
6381 | goto out; | |
bf269551 | 6382 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6383 | if (status) |
6384 | goto out; | |
bf269551 | 6385 | status = decode_putfh(xdr); |
1da177e4 LT |
6386 | if (status) |
6387 | goto out; | |
aa9c2669 | 6388 | status = decode_getfattr_label(xdr, res->fattr, res->label, res->server); |
1da177e4 LT |
6389 | out: |
6390 | return status; | |
1da177e4 LT |
6391 | } |
6392 | ||
23ec6965 BF |
6393 | /* |
6394 | * Encode an SETACL request | |
6395 | */ | |
9f06c719 CL |
6396 | static void nfs4_xdr_enc_setacl(struct rpc_rqst *req, struct xdr_stream *xdr, |
6397 | struct nfs_setaclargs *args) | |
23ec6965 | 6398 | { |
05d564fe | 6399 | struct compound_hdr hdr = { |
66cc0429 | 6400 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 6401 | }; |
05d564fe | 6402 | |
9f06c719 CL |
6403 | encode_compound_hdr(xdr, req, &hdr); |
6404 | encode_sequence(xdr, &args->seq_args, &hdr); | |
6405 | encode_putfh(xdr, args->fh, &hdr); | |
6406 | encode_setacl(xdr, args, &hdr); | |
d017931c | 6407 | encode_nops(&hdr); |
23ec6965 | 6408 | } |
05d564fe | 6409 | |
23ec6965 BF |
6410 | /* |
6411 | * Decode SETACL response | |
6412 | */ | |
6413 | static int | |
bf269551 | 6414 | nfs4_xdr_dec_setacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
73c403a9 | 6415 | struct nfs_setaclres *res) |
23ec6965 | 6416 | { |
23ec6965 BF |
6417 | struct compound_hdr hdr; |
6418 | int status; | |
6419 | ||
bf269551 | 6420 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6421 | if (status) |
6422 | goto out; | |
bf269551 | 6423 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
23ec6965 BF |
6424 | if (status) |
6425 | goto out; | |
bf269551 | 6426 | status = decode_putfh(xdr); |
23ec6965 BF |
6427 | if (status) |
6428 | goto out; | |
bf269551 | 6429 | status = decode_setattr(xdr); |
23ec6965 BF |
6430 | out: |
6431 | return status; | |
6432 | } | |
1da177e4 | 6433 | |
029d105e BF |
6434 | /* |
6435 | * Decode GETACL response | |
6436 | */ | |
6437 | static int | |
bf269551 | 6438 | nfs4_xdr_dec_getacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
663c79b3 | 6439 | struct nfs_getaclres *res) |
029d105e | 6440 | { |
029d105e BF |
6441 | struct compound_hdr hdr; |
6442 | int status; | |
6443 | ||
331818f1 TM |
6444 | if (res->acl_scratch != NULL) { |
6445 | void *p = page_address(res->acl_scratch); | |
6446 | xdr_set_scratch_buffer(xdr, p, PAGE_SIZE); | |
6447 | } | |
bf269551 | 6448 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6449 | if (status) |
6450 | goto out; | |
bf269551 | 6451 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
029d105e BF |
6452 | if (status) |
6453 | goto out; | |
bf269551 | 6454 | status = decode_putfh(xdr); |
029d105e BF |
6455 | if (status) |
6456 | goto out; | |
bf118a34 | 6457 | status = decode_getacl(xdr, rqstp, res); |
029d105e BF |
6458 | |
6459 | out: | |
6460 | return status; | |
6461 | } | |
6462 | ||
1da177e4 LT |
6463 | /* |
6464 | * Decode CLOSE response | |
6465 | */ | |
bf269551 CL |
6466 | static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6467 | struct nfs_closeres *res) | |
1da177e4 | 6468 | { |
05d564fe AA |
6469 | struct compound_hdr hdr; |
6470 | int status; | |
6471 | ||
bf269551 | 6472 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6473 | if (status) |
6474 | goto out; | |
bf269551 | 6475 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6476 | if (status) |
6477 | goto out; | |
bf269551 | 6478 | status = decode_putfh(xdr); |
05d564fe AA |
6479 | if (status) |
6480 | goto out; | |
cf805165 TM |
6481 | if (res->lr_res) { |
6482 | status = decode_layoutreturn(xdr, res->lr_res); | |
6483 | res->lr_ret = status; | |
6484 | if (status) | |
6485 | goto out; | |
6486 | } | |
bf269551 | 6487 | status = decode_close(xdr, res); |
516a6af6 TM |
6488 | if (status != 0) |
6489 | goto out; | |
6490 | /* | |
6491 | * Note: Server may do delete on close for this file | |
6492 | * in which case the getattr call will fail with | |
6493 | * an ESTALE error. Shouldn't be a problem, | |
6494 | * though, since fattr->valid will remain unset. | |
6495 | */ | |
6926afd1 | 6496 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 | 6497 | out: |
05d564fe | 6498 | return status; |
1da177e4 LT |
6499 | } |
6500 | ||
6501 | /* | |
6502 | * Decode OPEN response | |
6503 | */ | |
bf269551 CL |
6504 | static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6505 | struct nfs_openres *res) | |
1da177e4 | 6506 | { |
05d564fe AA |
6507 | struct compound_hdr hdr; |
6508 | int status; | |
6509 | ||
bf269551 | 6510 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6511 | if (status) |
6512 | goto out; | |
bf269551 | 6513 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6514 | if (status) |
6515 | goto out; | |
bf269551 | 6516 | status = decode_putfh(xdr); |
05d564fe AA |
6517 | if (status) |
6518 | goto out; | |
bf269551 | 6519 | status = decode_open(xdr, res); |
56ae19f3 TM |
6520 | if (status) |
6521 | goto out; | |
01913b49 WAA |
6522 | status = decode_getfh(xdr, &res->fh); |
6523 | if (status) | |
1da177e4 | 6524 | goto out; |
ae2bb032 WAA |
6525 | if (res->access_request) |
6526 | decode_access(xdr, &res->access_supported, &res->access_result); | |
aa9c2669 | 6527 | decode_getfattr_label(xdr, res->f_attr, res->f_label, res->server); |
1da177e4 | 6528 | out: |
05d564fe | 6529 | return status; |
1da177e4 LT |
6530 | } |
6531 | ||
6532 | /* | |
6533 | * Decode OPEN_CONFIRM response | |
6534 | */ | |
bf269551 CL |
6535 | static int nfs4_xdr_dec_open_confirm(struct rpc_rqst *rqstp, |
6536 | struct xdr_stream *xdr, | |
6537 | struct nfs_open_confirmres *res) | |
1da177e4 | 6538 | { |
05d564fe AA |
6539 | struct compound_hdr hdr; |
6540 | int status; | |
6541 | ||
bf269551 | 6542 | status = decode_compound_hdr(xdr, &hdr); |
05d564fe AA |
6543 | if (status) |
6544 | goto out; | |
bf269551 | 6545 | status = decode_putfh(xdr); |
05d564fe AA |
6546 | if (status) |
6547 | goto out; | |
bf269551 | 6548 | status = decode_open_confirm(xdr, res); |
1da177e4 | 6549 | out: |
05d564fe | 6550 | return status; |
1da177e4 LT |
6551 | } |
6552 | ||
6553 | /* | |
6554 | * Decode OPEN response | |
6555 | */ | |
bf269551 CL |
6556 | static int nfs4_xdr_dec_open_noattr(struct rpc_rqst *rqstp, |
6557 | struct xdr_stream *xdr, | |
6558 | struct nfs_openres *res) | |
1da177e4 | 6559 | { |
05d564fe AA |
6560 | struct compound_hdr hdr; |
6561 | int status; | |
6562 | ||
bf269551 | 6563 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6564 | if (status) |
6565 | goto out; | |
bf269551 | 6566 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6567 | if (status) |
6568 | goto out; | |
bf269551 | 6569 | status = decode_putfh(xdr); |
05d564fe AA |
6570 | if (status) |
6571 | goto out; | |
bf269551 | 6572 | status = decode_open(xdr, res); |
05d564fe AA |
6573 | if (status) |
6574 | goto out; | |
ae2bb032 WAA |
6575 | if (res->access_request) |
6576 | decode_access(xdr, &res->access_supported, &res->access_result); | |
6926afd1 | 6577 | decode_getfattr(xdr, res->f_attr, res->server); |
1da177e4 | 6578 | out: |
05d564fe | 6579 | return status; |
1da177e4 LT |
6580 | } |
6581 | ||
6582 | /* | |
6583 | * Decode SETATTR response | |
6584 | */ | |
bf269551 CL |
6585 | static int nfs4_xdr_dec_setattr(struct rpc_rqst *rqstp, |
6586 | struct xdr_stream *xdr, | |
6587 | struct nfs_setattrres *res) | |
1da177e4 | 6588 | { |
05d564fe AA |
6589 | struct compound_hdr hdr; |
6590 | int status; | |
6591 | ||
bf269551 | 6592 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6593 | if (status) |
6594 | goto out; | |
bf269551 | 6595 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6596 | if (status) |
6597 | goto out; | |
bf269551 | 6598 | status = decode_putfh(xdr); |
05d564fe AA |
6599 | if (status) |
6600 | goto out; | |
bf269551 | 6601 | status = decode_setattr(xdr); |
05d564fe AA |
6602 | if (status) |
6603 | goto out; | |
aa9c2669 | 6604 | decode_getfattr_label(xdr, res->fattr, res->label, res->server); |
1da177e4 | 6605 | out: |
05d564fe | 6606 | return status; |
1da177e4 LT |
6607 | } |
6608 | ||
6609 | /* | |
6610 | * Decode LOCK response | |
6611 | */ | |
bf269551 CL |
6612 | static int nfs4_xdr_dec_lock(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6613 | struct nfs_lock_res *res) | |
1da177e4 | 6614 | { |
1da177e4 LT |
6615 | struct compound_hdr hdr; |
6616 | int status; | |
6617 | ||
bf269551 | 6618 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6619 | if (status) |
6620 | goto out; | |
bf269551 | 6621 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6622 | if (status) |
6623 | goto out; | |
bf269551 | 6624 | status = decode_putfh(xdr); |
1da177e4 LT |
6625 | if (status) |
6626 | goto out; | |
bf269551 | 6627 | status = decode_lock(xdr, res); |
1da177e4 LT |
6628 | out: |
6629 | return status; | |
6630 | } | |
6631 | ||
6632 | /* | |
6633 | * Decode LOCKT response | |
6634 | */ | |
bf269551 CL |
6635 | static int nfs4_xdr_dec_lockt(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6636 | struct nfs_lockt_res *res) | |
1da177e4 | 6637 | { |
1da177e4 LT |
6638 | struct compound_hdr hdr; |
6639 | int status; | |
6640 | ||
bf269551 | 6641 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6642 | if (status) |
6643 | goto out; | |
bf269551 | 6644 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6645 | if (status) |
6646 | goto out; | |
bf269551 | 6647 | status = decode_putfh(xdr); |
1da177e4 LT |
6648 | if (status) |
6649 | goto out; | |
bf269551 | 6650 | status = decode_lockt(xdr, res); |
1da177e4 LT |
6651 | out: |
6652 | return status; | |
6653 | } | |
6654 | ||
6655 | /* | |
6656 | * Decode LOCKU response | |
6657 | */ | |
bf269551 CL |
6658 | static int nfs4_xdr_dec_locku(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6659 | struct nfs_locku_res *res) | |
1da177e4 | 6660 | { |
1da177e4 LT |
6661 | struct compound_hdr hdr; |
6662 | int status; | |
6663 | ||
bf269551 | 6664 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6665 | if (status) |
6666 | goto out; | |
bf269551 | 6667 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6668 | if (status) |
6669 | goto out; | |
bf269551 | 6670 | status = decode_putfh(xdr); |
1da177e4 LT |
6671 | if (status) |
6672 | goto out; | |
bf269551 | 6673 | status = decode_locku(xdr, res); |
1da177e4 LT |
6674 | out: |
6675 | return status; | |
6676 | } | |
6677 | ||
bf269551 CL |
6678 | static int nfs4_xdr_dec_release_lockowner(struct rpc_rqst *rqstp, |
6679 | struct xdr_stream *xdr, void *dummy) | |
d3c7b7cc | 6680 | { |
d3c7b7cc TM |
6681 | struct compound_hdr hdr; |
6682 | int status; | |
6683 | ||
bf269551 | 6684 | status = decode_compound_hdr(xdr, &hdr); |
d3c7b7cc | 6685 | if (!status) |
bf269551 | 6686 | status = decode_release_lockowner(xdr); |
d3c7b7cc TM |
6687 | return status; |
6688 | } | |
6689 | ||
1da177e4 LT |
6690 | /* |
6691 | * Decode READLINK response | |
6692 | */ | |
bf269551 CL |
6693 | static int nfs4_xdr_dec_readlink(struct rpc_rqst *rqstp, |
6694 | struct xdr_stream *xdr, | |
f50c7000 | 6695 | struct nfs4_readlink_res *res) |
1da177e4 | 6696 | { |
1da177e4 LT |
6697 | struct compound_hdr hdr; |
6698 | int status; | |
6699 | ||
bf269551 | 6700 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6701 | if (status) |
6702 | goto out; | |
bf269551 | 6703 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6704 | if (status) |
6705 | goto out; | |
bf269551 | 6706 | status = decode_putfh(xdr); |
1da177e4 LT |
6707 | if (status) |
6708 | goto out; | |
bf269551 | 6709 | status = decode_readlink(xdr, rqstp); |
1da177e4 LT |
6710 | out: |
6711 | return status; | |
6712 | } | |
6713 | ||
6714 | /* | |
6715 | * Decode READDIR response | |
6716 | */ | |
bf269551 CL |
6717 | static int nfs4_xdr_dec_readdir(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6718 | struct nfs4_readdir_res *res) | |
1da177e4 | 6719 | { |
1da177e4 LT |
6720 | struct compound_hdr hdr; |
6721 | int status; | |
6722 | ||
bf269551 | 6723 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6724 | if (status) |
6725 | goto out; | |
bf269551 | 6726 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6727 | if (status) |
6728 | goto out; | |
bf269551 | 6729 | status = decode_putfh(xdr); |
1da177e4 LT |
6730 | if (status) |
6731 | goto out; | |
bf269551 | 6732 | status = decode_readdir(xdr, rqstp, res); |
1da177e4 LT |
6733 | out: |
6734 | return status; | |
6735 | } | |
6736 | ||
6737 | /* | |
6738 | * Decode Read response | |
6739 | */ | |
bf269551 | 6740 | static int nfs4_xdr_dec_read(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
9137bdf3 | 6741 | struct nfs_pgio_res *res) |
1da177e4 | 6742 | { |
1da177e4 LT |
6743 | struct compound_hdr hdr; |
6744 | int status; | |
6745 | ||
bf269551 | 6746 | status = decode_compound_hdr(xdr, &hdr); |
aabff4dd | 6747 | res->op_status = hdr.status; |
9b7b9fcc AA |
6748 | if (status) |
6749 | goto out; | |
bf269551 | 6750 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6751 | if (status) |
6752 | goto out; | |
bf269551 | 6753 | status = decode_putfh(xdr); |
1da177e4 LT |
6754 | if (status) |
6755 | goto out; | |
bf269551 | 6756 | status = decode_read(xdr, rqstp, res); |
1da177e4 LT |
6757 | if (!status) |
6758 | status = res->count; | |
6759 | out: | |
6760 | return status; | |
6761 | } | |
6762 | ||
6763 | /* | |
6764 | * Decode WRITE response | |
6765 | */ | |
bf269551 | 6766 | static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
9137bdf3 | 6767 | struct nfs_pgio_res *res) |
1da177e4 | 6768 | { |
1da177e4 LT |
6769 | struct compound_hdr hdr; |
6770 | int status; | |
6771 | ||
bf269551 | 6772 | status = decode_compound_hdr(xdr, &hdr); |
aabff4dd | 6773 | res->op_status = hdr.status; |
9b7b9fcc AA |
6774 | if (status) |
6775 | goto out; | |
bf269551 | 6776 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6777 | if (status) |
6778 | goto out; | |
bf269551 | 6779 | status = decode_putfh(xdr); |
1da177e4 LT |
6780 | if (status) |
6781 | goto out; | |
bf269551 | 6782 | status = decode_write(xdr, res); |
4f9838c7 TM |
6783 | if (status) |
6784 | goto out; | |
7ffd1064 | 6785 | if (res->fattr) |
6926afd1 | 6786 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6787 | if (!status) |
6788 | status = res->count; | |
6789 | out: | |
6790 | return status; | |
6791 | } | |
6792 | ||
6793 | /* | |
6794 | * Decode COMMIT response | |
6795 | */ | |
bf269551 | 6796 | static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
0b7c0153 | 6797 | struct nfs_commitres *res) |
1da177e4 | 6798 | { |
1da177e4 LT |
6799 | struct compound_hdr hdr; |
6800 | int status; | |
6801 | ||
bf269551 | 6802 | status = decode_compound_hdr(xdr, &hdr); |
aabff4dd | 6803 | res->op_status = hdr.status; |
9b7b9fcc AA |
6804 | if (status) |
6805 | goto out; | |
bf269551 | 6806 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6807 | if (status) |
6808 | goto out; | |
bf269551 | 6809 | status = decode_putfh(xdr); |
1da177e4 LT |
6810 | if (status) |
6811 | goto out; | |
bf269551 | 6812 | status = decode_commit(xdr, res); |
1da177e4 LT |
6813 | out: |
6814 | return status; | |
6815 | } | |
6816 | ||
6817 | /* | |
8b173218 | 6818 | * Decode FSINFO response |
1da177e4 | 6819 | */ |
bf269551 | 6820 | static int nfs4_xdr_dec_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, |
3dda5e43 | 6821 | struct nfs4_fsinfo_res *res) |
1da177e4 | 6822 | { |
1da177e4 LT |
6823 | struct compound_hdr hdr; |
6824 | int status; | |
6825 | ||
bf269551 | 6826 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6827 | if (!status) |
bf269551 | 6828 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6829 | if (!status) |
bf269551 | 6830 | status = decode_putfh(xdr); |
1da177e4 | 6831 | if (!status) |
bf269551 | 6832 | status = decode_fsinfo(xdr, res->fsinfo); |
1da177e4 LT |
6833 | return status; |
6834 | } | |
6835 | ||
6836 | /* | |
8b173218 | 6837 | * Decode PATHCONF response |
1da177e4 | 6838 | */ |
bf269551 | 6839 | static int nfs4_xdr_dec_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, |
d45b2989 | 6840 | struct nfs4_pathconf_res *res) |
1da177e4 | 6841 | { |
1da177e4 LT |
6842 | struct compound_hdr hdr; |
6843 | int status; | |
6844 | ||
bf269551 | 6845 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6846 | if (!status) |
bf269551 | 6847 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6848 | if (!status) |
bf269551 | 6849 | status = decode_putfh(xdr); |
1da177e4 | 6850 | if (!status) |
bf269551 | 6851 | status = decode_pathconf(xdr, res->pathconf); |
1da177e4 LT |
6852 | return status; |
6853 | } | |
6854 | ||
6855 | /* | |
8b173218 | 6856 | * Decode STATFS response |
1da177e4 | 6857 | */ |
bf269551 | 6858 | static int nfs4_xdr_dec_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, |
24ad148a | 6859 | struct nfs4_statfs_res *res) |
1da177e4 | 6860 | { |
1da177e4 LT |
6861 | struct compound_hdr hdr; |
6862 | int status; | |
6863 | ||
bf269551 | 6864 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6865 | if (!status) |
bf269551 | 6866 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6867 | if (!status) |
bf269551 | 6868 | status = decode_putfh(xdr); |
1da177e4 | 6869 | if (!status) |
bf269551 | 6870 | status = decode_statfs(xdr, res->fsstat); |
1da177e4 LT |
6871 | return status; |
6872 | } | |
6873 | ||
6874 | /* | |
8b173218 | 6875 | * Decode GETATTR_BITMAP response |
1da177e4 | 6876 | */ |
bf269551 CL |
6877 | static int nfs4_xdr_dec_server_caps(struct rpc_rqst *req, |
6878 | struct xdr_stream *xdr, | |
6879 | struct nfs4_server_caps_res *res) | |
1da177e4 | 6880 | { |
1da177e4 LT |
6881 | struct compound_hdr hdr; |
6882 | int status; | |
6883 | ||
bf269551 | 6884 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6885 | if (status) |
6886 | goto out; | |
bf269551 | 6887 | status = decode_sequence(xdr, &res->seq_res, req); |
9b7b9fcc | 6888 | if (status) |
1da177e4 | 6889 | goto out; |
bf269551 CL |
6890 | status = decode_putfh(xdr); |
6891 | if (status) | |
1da177e4 | 6892 | goto out; |
bf269551 | 6893 | status = decode_server_caps(xdr, res); |
1da177e4 LT |
6894 | out: |
6895 | return status; | |
6896 | } | |
6897 | ||
6898 | /* | |
6899 | * Decode RENEW response | |
6900 | */ | |
bf269551 CL |
6901 | static int nfs4_xdr_dec_renew(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6902 | void *__unused) | |
1da177e4 | 6903 | { |
1da177e4 LT |
6904 | struct compound_hdr hdr; |
6905 | int status; | |
6906 | ||
bf269551 | 6907 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6908 | if (!status) |
bf269551 | 6909 | status = decode_renew(xdr); |
1da177e4 LT |
6910 | return status; |
6911 | } | |
6912 | ||
6913 | /* | |
8b173218 | 6914 | * Decode SETCLIENTID response |
1da177e4 | 6915 | */ |
bf269551 CL |
6916 | static int nfs4_xdr_dec_setclientid(struct rpc_rqst *req, |
6917 | struct xdr_stream *xdr, | |
6918 | struct nfs4_setclientid_res *res) | |
1da177e4 | 6919 | { |
1da177e4 LT |
6920 | struct compound_hdr hdr; |
6921 | int status; | |
6922 | ||
bf269551 | 6923 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6924 | if (!status) |
bf269551 | 6925 | status = decode_setclientid(xdr, res); |
1da177e4 LT |
6926 | return status; |
6927 | } | |
6928 | ||
6929 | /* | |
8b173218 | 6930 | * Decode SETCLIENTID_CONFIRM response |
1da177e4 | 6931 | */ |
bf269551 | 6932 | static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst *req, |
83ca7f5a | 6933 | struct xdr_stream *xdr) |
1da177e4 | 6934 | { |
1da177e4 LT |
6935 | struct compound_hdr hdr; |
6936 | int status; | |
6937 | ||
bf269551 | 6938 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6939 | if (!status) |
bf269551 | 6940 | status = decode_setclientid_confirm(xdr); |
1da177e4 LT |
6941 | return status; |
6942 | } | |
6943 | ||
6944 | /* | |
8b173218 | 6945 | * Decode DELEGRETURN response |
1da177e4 | 6946 | */ |
bf269551 CL |
6947 | static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, |
6948 | struct xdr_stream *xdr, | |
6949 | struct nfs4_delegreturnres *res) | |
1da177e4 | 6950 | { |
1da177e4 LT |
6951 | struct compound_hdr hdr; |
6952 | int status; | |
6953 | ||
bf269551 | 6954 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6955 | if (status) |
6956 | goto out; | |
bf269551 | 6957 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6958 | if (status) |
fa178f29 | 6959 | goto out; |
bf269551 | 6960 | status = decode_putfh(xdr); |
fa178f29 TM |
6961 | if (status != 0) |
6962 | goto out; | |
586f1c39 TM |
6963 | if (res->lr_res) { |
6964 | status = decode_layoutreturn(xdr, res->lr_res); | |
6965 | res->lr_ret = status; | |
6966 | if (status) | |
6967 | goto out; | |
6968 | } | |
e144cbcc | 6969 | status = decode_getfattr(xdr, res->fattr, res->server); |
556ae3bb JL |
6970 | if (status != 0) |
6971 | goto out; | |
e144cbcc | 6972 | status = decode_delegreturn(xdr); |
fa178f29 | 6973 | out: |
1da177e4 LT |
6974 | return status; |
6975 | } | |
6976 | ||
683b57b4 | 6977 | /* |
8b173218 | 6978 | * Decode FS_LOCATIONS response |
683b57b4 | 6979 | */ |
bf269551 CL |
6980 | static int nfs4_xdr_dec_fs_locations(struct rpc_rqst *req, |
6981 | struct xdr_stream *xdr, | |
22958463 | 6982 | struct nfs4_fs_locations_res *res) |
683b57b4 | 6983 | { |
683b57b4 TM |
6984 | struct compound_hdr hdr; |
6985 | int status; | |
6986 | ||
bf269551 | 6987 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6988 | if (status) |
6989 | goto out; | |
bf269551 | 6990 | status = decode_sequence(xdr, &res->seq_res, req); |
9b7b9fcc | 6991 | if (status) |
683b57b4 | 6992 | goto out; |
bf269551 CL |
6993 | status = decode_putfh(xdr); |
6994 | if (status) | |
683b57b4 | 6995 | goto out; |
b03d735b CL |
6996 | if (res->migration) { |
6997 | xdr_enter_page(xdr, PAGE_SIZE); | |
6998 | status = decode_getfattr_generic(xdr, | |
6999 | &res->fs_locations->fattr, | |
8b7e3f49 | 7000 | NULL, res->fs_locations, |
aa9c2669 | 7001 | NULL, res->fs_locations->server); |
b03d735b CL |
7002 | if (status) |
7003 | goto out; | |
7004 | if (res->renew) | |
7005 | status = decode_renew(xdr); | |
7006 | } else { | |
7007 | status = decode_lookup(xdr); | |
7008 | if (status) | |
7009 | goto out; | |
7010 | xdr_enter_page(xdr, PAGE_SIZE); | |
7011 | status = decode_getfattr_generic(xdr, | |
7012 | &res->fs_locations->fattr, | |
7013 | NULL, res->fs_locations, | |
7014 | NULL, res->fs_locations->server); | |
7015 | } | |
683b57b4 TM |
7016 | out: |
7017 | return status; | |
7018 | } | |
7019 | ||
5a5ea0d4 BS |
7020 | /* |
7021 | * Decode SECINFO response | |
7022 | */ | |
7023 | static int nfs4_xdr_dec_secinfo(struct rpc_rqst *rqstp, | |
7024 | struct xdr_stream *xdr, | |
7025 | struct nfs4_secinfo_res *res) | |
7026 | { | |
7027 | struct compound_hdr hdr; | |
7028 | int status; | |
7029 | ||
7030 | status = decode_compound_hdr(xdr, &hdr); | |
7031 | if (status) | |
7032 | goto out; | |
7033 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7034 | if (status) | |
7035 | goto out; | |
7036 | status = decode_putfh(xdr); | |
7037 | if (status) | |
7038 | goto out; | |
7039 | status = decode_secinfo(xdr, res); | |
5a5ea0d4 BS |
7040 | out: |
7041 | return status; | |
7042 | } | |
7043 | ||
44c99933 CL |
7044 | /* |
7045 | * Decode FSID_PRESENT response | |
7046 | */ | |
7047 | static int nfs4_xdr_dec_fsid_present(struct rpc_rqst *rqstp, | |
7048 | struct xdr_stream *xdr, | |
7049 | struct nfs4_fsid_present_res *res) | |
7050 | { | |
7051 | struct compound_hdr hdr; | |
7052 | int status; | |
7053 | ||
7054 | status = decode_compound_hdr(xdr, &hdr); | |
7055 | if (status) | |
7056 | goto out; | |
7057 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7058 | if (status) | |
7059 | goto out; | |
7060 | status = decode_putfh(xdr); | |
7061 | if (status) | |
7062 | goto out; | |
7063 | status = decode_getfh(xdr, res->fh); | |
7064 | if (status) | |
7065 | goto out; | |
7066 | if (res->renew) | |
7067 | status = decode_renew(xdr); | |
7068 | out: | |
7069 | return status; | |
7070 | } | |
7071 | ||
99fe60d0 | 7072 | #if defined(CONFIG_NFS_V4_1) |
7c44f1ae WAA |
7073 | /* |
7074 | * Decode BIND_CONN_TO_SESSION response | |
7075 | */ | |
7076 | static int nfs4_xdr_dec_bind_conn_to_session(struct rpc_rqst *rqstp, | |
7077 | struct xdr_stream *xdr, | |
7078 | void *res) | |
7079 | { | |
7080 | struct compound_hdr hdr; | |
7081 | int status; | |
7082 | ||
7083 | status = decode_compound_hdr(xdr, &hdr); | |
7084 | if (!status) | |
7085 | status = decode_bind_conn_to_session(xdr, res); | |
7086 | return status; | |
7087 | } | |
7088 | ||
99fe60d0 | 7089 | /* |
8b173218 | 7090 | * Decode EXCHANGE_ID response |
99fe60d0 | 7091 | */ |
bf269551 CL |
7092 | static int nfs4_xdr_dec_exchange_id(struct rpc_rqst *rqstp, |
7093 | struct xdr_stream *xdr, | |
99fe60d0 BH |
7094 | void *res) |
7095 | { | |
99fe60d0 BH |
7096 | struct compound_hdr hdr; |
7097 | int status; | |
7098 | ||
bf269551 | 7099 | status = decode_compound_hdr(xdr, &hdr); |
99fe60d0 | 7100 | if (!status) |
bf269551 | 7101 | status = decode_exchange_id(xdr, res); |
99fe60d0 BH |
7102 | return status; |
7103 | } | |
2050f0cc | 7104 | |
fc931582 | 7105 | /* |
8b173218 | 7106 | * Decode CREATE_SESSION response |
fc931582 | 7107 | */ |
bf269551 CL |
7108 | static int nfs4_xdr_dec_create_session(struct rpc_rqst *rqstp, |
7109 | struct xdr_stream *xdr, | |
fc931582 AA |
7110 | struct nfs41_create_session_res *res) |
7111 | { | |
fc931582 AA |
7112 | struct compound_hdr hdr; |
7113 | int status; | |
7114 | ||
bf269551 | 7115 | status = decode_compound_hdr(xdr, &hdr); |
fc931582 | 7116 | if (!status) |
bf269551 | 7117 | status = decode_create_session(xdr, res); |
fc931582 AA |
7118 | return status; |
7119 | } | |
7120 | ||
0f3e66c6 | 7121 | /* |
8b173218 | 7122 | * Decode DESTROY_SESSION response |
0f3e66c6 | 7123 | */ |
bf269551 CL |
7124 | static int nfs4_xdr_dec_destroy_session(struct rpc_rqst *rqstp, |
7125 | struct xdr_stream *xdr, | |
7126 | void *res) | |
0f3e66c6 | 7127 | { |
0f3e66c6 AA |
7128 | struct compound_hdr hdr; |
7129 | int status; | |
7130 | ||
bf269551 | 7131 | status = decode_compound_hdr(xdr, &hdr); |
0f3e66c6 | 7132 | if (!status) |
bf269551 | 7133 | status = decode_destroy_session(xdr, res); |
0f3e66c6 AA |
7134 | return status; |
7135 | } | |
7136 | ||
66245539 TM |
7137 | /* |
7138 | * Decode DESTROY_CLIENTID response | |
7139 | */ | |
7140 | static int nfs4_xdr_dec_destroy_clientid(struct rpc_rqst *rqstp, | |
7141 | struct xdr_stream *xdr, | |
7142 | void *res) | |
7143 | { | |
7144 | struct compound_hdr hdr; | |
7145 | int status; | |
7146 | ||
7147 | status = decode_compound_hdr(xdr, &hdr); | |
7148 | if (!status) | |
7149 | status = decode_destroy_clientid(xdr, res); | |
7150 | return status; | |
7151 | } | |
7152 | ||
fc01cea9 | 7153 | /* |
8b173218 | 7154 | * Decode SEQUENCE response |
fc01cea9 | 7155 | */ |
bf269551 CL |
7156 | static int nfs4_xdr_dec_sequence(struct rpc_rqst *rqstp, |
7157 | struct xdr_stream *xdr, | |
fc01cea9 AA |
7158 | struct nfs4_sequence_res *res) |
7159 | { | |
fc01cea9 AA |
7160 | struct compound_hdr hdr; |
7161 | int status; | |
7162 | ||
bf269551 | 7163 | status = decode_compound_hdr(xdr, &hdr); |
fc01cea9 | 7164 | if (!status) |
bf269551 | 7165 | status = decode_sequence(xdr, res, rqstp); |
fc01cea9 AA |
7166 | return status; |
7167 | } | |
7168 | ||
2050f0cc | 7169 | /* |
8b173218 | 7170 | * Decode GET_LEASE_TIME response |
2050f0cc | 7171 | */ |
bf269551 CL |
7172 | static int nfs4_xdr_dec_get_lease_time(struct rpc_rqst *rqstp, |
7173 | struct xdr_stream *xdr, | |
2050f0cc AA |
7174 | struct nfs4_get_lease_time_res *res) |
7175 | { | |
2050f0cc AA |
7176 | struct compound_hdr hdr; |
7177 | int status; | |
7178 | ||
bf269551 | 7179 | status = decode_compound_hdr(xdr, &hdr); |
2050f0cc | 7180 | if (!status) |
bf269551 | 7181 | status = decode_sequence(xdr, &res->lr_seq_res, rqstp); |
2050f0cc | 7182 | if (!status) |
bf269551 | 7183 | status = decode_putrootfh(xdr); |
2050f0cc | 7184 | if (!status) |
bf269551 | 7185 | status = decode_fsinfo(xdr, res->lr_fsinfo); |
2050f0cc AA |
7186 | return status; |
7187 | } | |
18019753 RL |
7188 | |
7189 | /* | |
7190 | * Decode RECLAIM_COMPLETE response | |
7191 | */ | |
bf269551 CL |
7192 | static int nfs4_xdr_dec_reclaim_complete(struct rpc_rqst *rqstp, |
7193 | struct xdr_stream *xdr, | |
18019753 RL |
7194 | struct nfs41_reclaim_complete_res *res) |
7195 | { | |
18019753 RL |
7196 | struct compound_hdr hdr; |
7197 | int status; | |
7198 | ||
bf269551 | 7199 | status = decode_compound_hdr(xdr, &hdr); |
18019753 | 7200 | if (!status) |
bf269551 | 7201 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
18019753 | 7202 | if (!status) |
8ee2b78a | 7203 | status = decode_reclaim_complete(xdr, NULL); |
18019753 RL |
7204 | return status; |
7205 | } | |
b1f69b75 AA |
7206 | |
7207 | /* | |
7208 | * Decode GETDEVINFO response | |
7209 | */ | |
bf269551 CL |
7210 | static int nfs4_xdr_dec_getdeviceinfo(struct rpc_rqst *rqstp, |
7211 | struct xdr_stream *xdr, | |
b1f69b75 AA |
7212 | struct nfs4_getdeviceinfo_res *res) |
7213 | { | |
b1f69b75 AA |
7214 | struct compound_hdr hdr; |
7215 | int status; | |
7216 | ||
bf269551 | 7217 | status = decode_compound_hdr(xdr, &hdr); |
b1f69b75 AA |
7218 | if (status != 0) |
7219 | goto out; | |
bf269551 | 7220 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
b1f69b75 AA |
7221 | if (status != 0) |
7222 | goto out; | |
4e590803 | 7223 | status = decode_getdeviceinfo(xdr, res); |
b1f69b75 AA |
7224 | out: |
7225 | return status; | |
7226 | } | |
7227 | ||
7228 | /* | |
7229 | * Decode LAYOUTGET response | |
7230 | */ | |
bf269551 CL |
7231 | static int nfs4_xdr_dec_layoutget(struct rpc_rqst *rqstp, |
7232 | struct xdr_stream *xdr, | |
b1f69b75 AA |
7233 | struct nfs4_layoutget_res *res) |
7234 | { | |
b1f69b75 AA |
7235 | struct compound_hdr hdr; |
7236 | int status; | |
7237 | ||
bf269551 | 7238 | status = decode_compound_hdr(xdr, &hdr); |
b1f69b75 AA |
7239 | if (status) |
7240 | goto out; | |
bf269551 | 7241 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
b1f69b75 AA |
7242 | if (status) |
7243 | goto out; | |
bf269551 | 7244 | status = decode_putfh(xdr); |
b1f69b75 AA |
7245 | if (status) |
7246 | goto out; | |
bf269551 | 7247 | status = decode_layoutget(xdr, rqstp, res); |
b1f69b75 AA |
7248 | out: |
7249 | return status; | |
7250 | } | |
863a3c6c | 7251 | |
cbe82603 BH |
7252 | /* |
7253 | * Decode LAYOUTRETURN response | |
7254 | */ | |
7255 | static int nfs4_xdr_dec_layoutreturn(struct rpc_rqst *rqstp, | |
7256 | struct xdr_stream *xdr, | |
7257 | struct nfs4_layoutreturn_res *res) | |
7258 | { | |
7259 | struct compound_hdr hdr; | |
7260 | int status; | |
7261 | ||
7262 | status = decode_compound_hdr(xdr, &hdr); | |
7263 | if (status) | |
7264 | goto out; | |
7265 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7266 | if (status) | |
7267 | goto out; | |
7268 | status = decode_putfh(xdr); | |
7269 | if (status) | |
7270 | goto out; | |
7271 | status = decode_layoutreturn(xdr, res); | |
7272 | out: | |
7273 | return status; | |
7274 | } | |
7275 | ||
863a3c6c AA |
7276 | /* |
7277 | * Decode LAYOUTCOMMIT response | |
7278 | */ | |
7279 | static int nfs4_xdr_dec_layoutcommit(struct rpc_rqst *rqstp, | |
7280 | struct xdr_stream *xdr, | |
7281 | struct nfs4_layoutcommit_res *res) | |
7282 | { | |
7283 | struct compound_hdr hdr; | |
7284 | int status; | |
7285 | ||
7286 | status = decode_compound_hdr(xdr, &hdr); | |
7287 | if (status) | |
7288 | goto out; | |
7289 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7290 | if (status) | |
7291 | goto out; | |
7292 | status = decode_putfh(xdr); | |
7293 | if (status) | |
7294 | goto out; | |
7295 | status = decode_layoutcommit(xdr, rqstp, res); | |
7296 | if (status) | |
7297 | goto out; | |
6926afd1 | 7298 | decode_getfattr(xdr, res->fattr, res->server); |
863a3c6c AA |
7299 | out: |
7300 | return status; | |
7301 | } | |
fca78d6d BS |
7302 | |
7303 | /* | |
7304 | * Decode SECINFO_NO_NAME response | |
7305 | */ | |
7306 | static int nfs4_xdr_dec_secinfo_no_name(struct rpc_rqst *rqstp, | |
7307 | struct xdr_stream *xdr, | |
7308 | struct nfs4_secinfo_res *res) | |
7309 | { | |
7310 | struct compound_hdr hdr; | |
7311 | int status; | |
7312 | ||
7313 | status = decode_compound_hdr(xdr, &hdr); | |
7314 | if (status) | |
7315 | goto out; | |
7316 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7317 | if (status) | |
7318 | goto out; | |
7319 | status = decode_putrootfh(xdr); | |
7320 | if (status) | |
7321 | goto out; | |
31e4dda4 | 7322 | status = decode_secinfo_no_name(xdr, res); |
fca78d6d BS |
7323 | out: |
7324 | return status; | |
7325 | } | |
7d974794 BS |
7326 | |
7327 | /* | |
7328 | * Decode TEST_STATEID response | |
7329 | */ | |
7330 | static int nfs4_xdr_dec_test_stateid(struct rpc_rqst *rqstp, | |
7331 | struct xdr_stream *xdr, | |
7332 | struct nfs41_test_stateid_res *res) | |
7333 | { | |
7334 | struct compound_hdr hdr; | |
7335 | int status; | |
7336 | ||
7337 | status = decode_compound_hdr(xdr, &hdr); | |
7338 | if (status) | |
7339 | goto out; | |
7340 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7341 | if (status) | |
7342 | goto out; | |
7343 | status = decode_test_stateid(xdr, res); | |
7344 | out: | |
7345 | return status; | |
7346 | } | |
9aeda35f BS |
7347 | |
7348 | /* | |
7349 | * Decode FREE_STATEID response | |
7350 | */ | |
7351 | static int nfs4_xdr_dec_free_stateid(struct rpc_rqst *rqstp, | |
7352 | struct xdr_stream *xdr, | |
7353 | struct nfs41_free_stateid_res *res) | |
7354 | { | |
7355 | struct compound_hdr hdr; | |
7356 | int status; | |
7357 | ||
7358 | status = decode_compound_hdr(xdr, &hdr); | |
7359 | if (status) | |
7360 | goto out; | |
7361 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7362 | if (status) | |
7363 | goto out; | |
7364 | status = decode_free_stateid(xdr, res); | |
7365 | out: | |
7366 | return status; | |
7367 | } | |
99fe60d0 BH |
7368 | #endif /* CONFIG_NFS_V4_1 */ |
7369 | ||
573c4e1e CL |
7370 | /** |
7371 | * nfs4_decode_dirent - Decode a single NFSv4 directory entry stored in | |
7372 | * the local page cache. | |
7373 | * @xdr: XDR stream where entry resides | |
7374 | * @entry: buffer to fill in with entry data | |
7375 | * @plus: boolean indicating whether this should be a readdirplus entry | |
7376 | * | |
7377 | * Returns zero if successful, otherwise a negative errno value is | |
7378 | * returned. | |
7379 | * | |
7380 | * This function is not invoked during READDIR reply decoding, but | |
7381 | * rather whenever an application invokes the getdents(2) system call | |
7382 | * on a directory already in our cache. | |
7383 | */ | |
7384 | int nfs4_decode_dirent(struct xdr_stream *xdr, struct nfs_entry *entry, | |
7385 | int plus) | |
1da177e4 | 7386 | { |
256e48bb | 7387 | unsigned int savep; |
dae100c2 | 7388 | uint32_t bitmap[3] = {0}; |
1da177e4 | 7389 | uint32_t len; |
babddc72 BS |
7390 | __be32 *p = xdr_inline_decode(xdr, 4); |
7391 | if (unlikely(!p)) | |
7392 | goto out_overflow; | |
c08e76d0 | 7393 | if (*p == xdr_zero) { |
babddc72 BS |
7394 | p = xdr_inline_decode(xdr, 4); |
7395 | if (unlikely(!p)) | |
7396 | goto out_overflow; | |
c08e76d0 | 7397 | if (*p == xdr_zero) |
573c4e1e | 7398 | return -EAGAIN; |
1da177e4 | 7399 | entry->eof = 1; |
573c4e1e | 7400 | return -EBADCOOKIE; |
1da177e4 LT |
7401 | } |
7402 | ||
babddc72 BS |
7403 | p = xdr_inline_decode(xdr, 12); |
7404 | if (unlikely(!p)) | |
7405 | goto out_overflow; | |
1da177e4 LT |
7406 | entry->prev_cookie = entry->cookie; |
7407 | p = xdr_decode_hyper(p, &entry->cookie); | |
c08e76d0 | 7408 | entry->len = be32_to_cpup(p); |
babddc72 | 7409 | |
9af8c222 | 7410 | p = xdr_inline_decode(xdr, entry->len); |
babddc72 BS |
7411 | if (unlikely(!p)) |
7412 | goto out_overflow; | |
1da177e4 | 7413 | entry->name = (const char *) p; |
1da177e4 LT |
7414 | |
7415 | /* | |
7416 | * In case the server doesn't return an inode number, | |
7417 | * we fake one here. (We don't use inode number 0, | |
7418 | * since glibc seems to choke on it...) | |
7419 | */ | |
7420 | entry->ino = 1; | |
4f082222 | 7421 | entry->fattr->valid = 0; |
1da177e4 | 7422 | |
9af8c222 TM |
7423 | if (decode_attr_bitmap(xdr, bitmap) < 0) |
7424 | goto out_overflow; | |
7425 | ||
256e48bb | 7426 | if (decode_attr_length(xdr, &len, &savep) < 0) |
9af8c222 TM |
7427 | goto out_overflow; |
7428 | ||
573c4e1e | 7429 | if (decode_getfattr_attrs(xdr, bitmap, entry->fattr, entry->fh, |
aa9c2669 | 7430 | NULL, entry->label, entry->server) < 0) |
9af8c222 | 7431 | goto out_overflow; |
28331a46 TM |
7432 | if (entry->fattr->valid & NFS_ATTR_FATTR_MOUNTED_ON_FILEID) |
7433 | entry->ino = entry->fattr->mounted_on_fileid; | |
7434 | else if (entry->fattr->valid & NFS_ATTR_FATTR_FILEID) | |
9af8c222 TM |
7435 | entry->ino = entry->fattr->fileid; |
7436 | ||
0b26a0bf TM |
7437 | entry->d_type = DT_UNKNOWN; |
7438 | if (entry->fattr->valid & NFS_ATTR_FATTR_TYPE) | |
7439 | entry->d_type = nfs_umode_to_dtype(entry->fattr->mode); | |
7440 | ||
573c4e1e | 7441 | return 0; |
babddc72 BS |
7442 | |
7443 | out_overflow: | |
7444 | print_overflow_msg(__func__, xdr); | |
573c4e1e | 7445 | return -EAGAIN; |
1da177e4 LT |
7446 | } |
7447 | ||
7448 | /* | |
7449 | * We need to translate between nfs status return values and | |
7450 | * the local errno values which may not be the same. | |
7451 | */ | |
7452 | static struct { | |
7453 | int stat; | |
7454 | int errno; | |
7455 | } nfs_errtbl[] = { | |
7456 | { NFS4_OK, 0 }, | |
856dff3d BH |
7457 | { NFS4ERR_PERM, -EPERM }, |
7458 | { NFS4ERR_NOENT, -ENOENT }, | |
7459 | { NFS4ERR_IO, -errno_NFSERR_IO}, | |
7460 | { NFS4ERR_NXIO, -ENXIO }, | |
7461 | { NFS4ERR_ACCESS, -EACCES }, | |
7462 | { NFS4ERR_EXIST, -EEXIST }, | |
7463 | { NFS4ERR_XDEV, -EXDEV }, | |
7464 | { NFS4ERR_NOTDIR, -ENOTDIR }, | |
7465 | { NFS4ERR_ISDIR, -EISDIR }, | |
7466 | { NFS4ERR_INVAL, -EINVAL }, | |
7467 | { NFS4ERR_FBIG, -EFBIG }, | |
7468 | { NFS4ERR_NOSPC, -ENOSPC }, | |
7469 | { NFS4ERR_ROFS, -EROFS }, | |
7470 | { NFS4ERR_MLINK, -EMLINK }, | |
7471 | { NFS4ERR_NAMETOOLONG, -ENAMETOOLONG }, | |
7472 | { NFS4ERR_NOTEMPTY, -ENOTEMPTY }, | |
7473 | { NFS4ERR_DQUOT, -EDQUOT }, | |
7474 | { NFS4ERR_STALE, -ESTALE }, | |
7475 | { NFS4ERR_BADHANDLE, -EBADHANDLE }, | |
856dff3d BH |
7476 | { NFS4ERR_BAD_COOKIE, -EBADCOOKIE }, |
7477 | { NFS4ERR_NOTSUPP, -ENOTSUPP }, | |
7478 | { NFS4ERR_TOOSMALL, -ETOOSMALL }, | |
fdcb4577 | 7479 | { NFS4ERR_SERVERFAULT, -EREMOTEIO }, |
856dff3d BH |
7480 | { NFS4ERR_BADTYPE, -EBADTYPE }, |
7481 | { NFS4ERR_LOCKED, -EAGAIN }, | |
856dff3d BH |
7482 | { NFS4ERR_SYMLINK, -ELOOP }, |
7483 | { NFS4ERR_OP_ILLEGAL, -EOPNOTSUPP }, | |
7484 | { NFS4ERR_DEADLOCK, -EDEADLK }, | |
856dff3d | 7485 | { -1, -EIO } |
1da177e4 LT |
7486 | }; |
7487 | ||
7488 | /* | |
7489 | * Convert an NFS error code to a local one. | |
7490 | * This one is used jointly by NFSv2 and NFSv3. | |
7491 | */ | |
7492 | static int | |
0a8ea437 | 7493 | nfs4_stat_to_errno(int stat) |
1da177e4 LT |
7494 | { |
7495 | int i; | |
7496 | for (i = 0; nfs_errtbl[i].stat != -1; i++) { | |
7497 | if (nfs_errtbl[i].stat == stat) | |
7498 | return nfs_errtbl[i].errno; | |
7499 | } | |
7500 | if (stat <= 10000 || stat > 10100) { | |
7501 | /* The server is looney tunes. */ | |
fdcb4577 | 7502 | return -EREMOTEIO; |
1da177e4 LT |
7503 | } |
7504 | /* If we cannot translate the error, the recovery routines should | |
7505 | * handle it. | |
7506 | * Note: remaining NFSv4 error codes have values > 10000, so should | |
7507 | * not conflict with native Linux error codes. | |
7508 | */ | |
856dff3d | 7509 | return -stat; |
1da177e4 LT |
7510 | } |
7511 | ||
1c6dcbe5 AS |
7512 | #ifdef CONFIG_NFS_V4_2 |
7513 | #include "nfs42xdr.c" | |
7514 | #endif /* CONFIG_NFS_V4_2 */ | |
7515 | ||
1da177e4 LT |
7516 | #define PROC(proc, argtype, restype) \ |
7517 | [NFSPROC4_CLNT_##proc] = { \ | |
7518 | .p_proc = NFSPROC4_COMPOUND, \ | |
9f06c719 | 7519 | .p_encode = (kxdreproc_t)nfs4_xdr_##argtype, \ |
bf269551 | 7520 | .p_decode = (kxdrdproc_t)nfs4_xdr_##restype, \ |
2bea90d4 CL |
7521 | .p_arglen = NFS4_##argtype##_sz, \ |
7522 | .p_replen = NFS4_##restype##_sz, \ | |
cc0175c1 CL |
7523 | .p_statidx = NFSPROC4_CLNT_##proc, \ |
7524 | .p_name = #proc, \ | |
05d564fe | 7525 | } |
1da177e4 | 7526 | |
7c61f0d3 AS |
7527 | #define STUB(proc) \ |
7528 | [NFSPROC4_CLNT_##proc] = { \ | |
7529 | .p_name = #proc, \ | |
7530 | } | |
7531 | ||
1da177e4 | 7532 | struct rpc_procinfo nfs4_procedures[] = { |
7d93bd71 CL |
7533 | PROC(READ, enc_read, dec_read), |
7534 | PROC(WRITE, enc_write, dec_write), | |
7535 | PROC(COMMIT, enc_commit, dec_commit), | |
7536 | PROC(OPEN, enc_open, dec_open), | |
7537 | PROC(OPEN_CONFIRM, enc_open_confirm, dec_open_confirm), | |
7538 | PROC(OPEN_NOATTR, enc_open_noattr, dec_open_noattr), | |
7539 | PROC(OPEN_DOWNGRADE, enc_open_downgrade, dec_open_downgrade), | |
7540 | PROC(CLOSE, enc_close, dec_close), | |
7541 | PROC(SETATTR, enc_setattr, dec_setattr), | |
7542 | PROC(FSINFO, enc_fsinfo, dec_fsinfo), | |
7543 | PROC(RENEW, enc_renew, dec_renew), | |
7544 | PROC(SETCLIENTID, enc_setclientid, dec_setclientid), | |
7545 | PROC(SETCLIENTID_CONFIRM, enc_setclientid_confirm, dec_setclientid_confirm), | |
7546 | PROC(LOCK, enc_lock, dec_lock), | |
7547 | PROC(LOCKT, enc_lockt, dec_lockt), | |
7548 | PROC(LOCKU, enc_locku, dec_locku), | |
7549 | PROC(ACCESS, enc_access, dec_access), | |
7550 | PROC(GETATTR, enc_getattr, dec_getattr), | |
7551 | PROC(LOOKUP, enc_lookup, dec_lookup), | |
7552 | PROC(LOOKUP_ROOT, enc_lookup_root, dec_lookup_root), | |
7553 | PROC(REMOVE, enc_remove, dec_remove), | |
7554 | PROC(RENAME, enc_rename, dec_rename), | |
7555 | PROC(LINK, enc_link, dec_link), | |
7556 | PROC(SYMLINK, enc_symlink, dec_symlink), | |
7557 | PROC(CREATE, enc_create, dec_create), | |
7558 | PROC(PATHCONF, enc_pathconf, dec_pathconf), | |
7559 | PROC(STATFS, enc_statfs, dec_statfs), | |
7560 | PROC(READLINK, enc_readlink, dec_readlink), | |
7561 | PROC(READDIR, enc_readdir, dec_readdir), | |
7562 | PROC(SERVER_CAPS, enc_server_caps, dec_server_caps), | |
7563 | PROC(DELEGRETURN, enc_delegreturn, dec_delegreturn), | |
7564 | PROC(GETACL, enc_getacl, dec_getacl), | |
7565 | PROC(SETACL, enc_setacl, dec_setacl), | |
7566 | PROC(FS_LOCATIONS, enc_fs_locations, dec_fs_locations), | |
7567 | PROC(RELEASE_LOCKOWNER, enc_release_lockowner, dec_release_lockowner), | |
5a5ea0d4 | 7568 | PROC(SECINFO, enc_secinfo, dec_secinfo), |
44c99933 | 7569 | PROC(FSID_PRESENT, enc_fsid_present, dec_fsid_present), |
99fe60d0 | 7570 | #if defined(CONFIG_NFS_V4_1) |
7d93bd71 CL |
7571 | PROC(EXCHANGE_ID, enc_exchange_id, dec_exchange_id), |
7572 | PROC(CREATE_SESSION, enc_create_session, dec_create_session), | |
7573 | PROC(DESTROY_SESSION, enc_destroy_session, dec_destroy_session), | |
7574 | PROC(SEQUENCE, enc_sequence, dec_sequence), | |
7575 | PROC(GET_LEASE_TIME, enc_get_lease_time, dec_get_lease_time), | |
7576 | PROC(RECLAIM_COMPLETE, enc_reclaim_complete, dec_reclaim_complete), | |
7577 | PROC(GETDEVICEINFO, enc_getdeviceinfo, dec_getdeviceinfo), | |
7578 | PROC(LAYOUTGET, enc_layoutget, dec_layoutget), | |
863a3c6c | 7579 | PROC(LAYOUTCOMMIT, enc_layoutcommit, dec_layoutcommit), |
cbe82603 | 7580 | PROC(LAYOUTRETURN, enc_layoutreturn, dec_layoutreturn), |
fca78d6d | 7581 | PROC(SECINFO_NO_NAME, enc_secinfo_no_name, dec_secinfo_no_name), |
7d974794 | 7582 | PROC(TEST_STATEID, enc_test_stateid, dec_test_stateid), |
9aeda35f | 7583 | PROC(FREE_STATEID, enc_free_stateid, dec_free_stateid), |
7c61f0d3 | 7584 | STUB(GETDEVICELIST), |
ad24ecfb TM |
7585 | PROC(BIND_CONN_TO_SESSION, |
7586 | enc_bind_conn_to_session, dec_bind_conn_to_session), | |
66245539 | 7587 | PROC(DESTROY_CLIENTID, enc_destroy_clientid, dec_destroy_clientid), |
99fe60d0 | 7588 | #endif /* CONFIG_NFS_V4_1 */ |
1c6dcbe5 AS |
7589 | #ifdef CONFIG_NFS_V4_2 |
7590 | PROC(SEEK, enc_seek, dec_seek), | |
f4ac1674 | 7591 | PROC(ALLOCATE, enc_allocate, dec_allocate), |
624bd5b7 | 7592 | PROC(DEALLOCATE, enc_deallocate, dec_deallocate), |
be3a5d23 | 7593 | PROC(LAYOUTSTATS, enc_layoutstats, dec_layoutstats), |
36022770 | 7594 | PROC(CLONE, enc_clone, dec_clone), |
2e72448b | 7595 | PROC(COPY, enc_copy, dec_copy), |
1c6dcbe5 | 7596 | #endif /* CONFIG_NFS_V4_2 */ |
1da177e4 LT |
7597 | }; |
7598 | ||
a613fa16 | 7599 | const struct rpc_version nfs_version4 = { |
1da177e4 | 7600 | .number = 4, |
e8c96f8c | 7601 | .nrprocs = ARRAY_SIZE(nfs4_procedures), |
1da177e4 LT |
7602 | .procs = nfs4_procedures |
7603 | }; | |
7604 | ||
7605 | /* | |
7606 | * Local variables: | |
7607 | * c-basic-offset: 8 | |
7608 | * End: | |
7609 | */ |