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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> | |
55 | #include <linux/nfs_idmap.h> | |
f092075d | 56 | |
4ce79717 | 57 | #include "nfs4_fs.h" |
4882ef72 | 58 | #include "internal.h" |
76e697ba | 59 | #include "nfs4session.h" |
b1f69b75 | 60 | #include "pnfs.h" |
f092075d | 61 | #include "netns.h" |
1da177e4 LT |
62 | |
63 | #define NFSDBG_FACILITY NFSDBG_XDR | |
64 | ||
65 | /* Mapping from NFS error code to "errno" error code. */ | |
66 | #define errno_NFSERR_IO EIO | |
67 | ||
0a8ea437 | 68 | static int nfs4_stat_to_errno(int); |
1da177e4 LT |
69 | |
70 | /* NFSv4 COMPOUND tags are only wanted for debugging purposes */ | |
71 | #ifdef DEBUG | |
72 | #define NFS4_MAXTAGLEN 20 | |
73 | #else | |
74 | #define NFS4_MAXTAGLEN 0 | |
75 | #endif | |
76 | ||
6c0195a4 | 77 | /* lock,open owner id: |
9f958ab8 | 78 | * we currently use size 2 (u64) out of (NFS4_OPAQUE_LIMIT >> 2) |
1da177e4 | 79 | */ |
95b72eb0 | 80 | #define open_owner_id_maxsz (1 + 2 + 1 + 1 + 2) |
d035c36c | 81 | #define lock_owner_id_maxsz (1 + 1 + 4) |
9104a55d | 82 | #define decode_lockowner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) |
1da177e4 LT |
83 | #define compound_encode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2)) |
84 | #define compound_decode_hdr_maxsz (3 + (NFS4_MAXTAGLEN >> 2)) | |
85 | #define op_encode_hdr_maxsz (1) | |
86 | #define op_decode_hdr_maxsz (2) | |
9104a55d TM |
87 | #define encode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE)) |
88 | #define decode_stateid_maxsz (XDR_QUADLEN(NFS4_STATEID_SIZE)) | |
89 | #define encode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE)) | |
90 | #define decode_verifier_maxsz (XDR_QUADLEN(NFS4_VERIFIER_SIZE)) | |
1da177e4 LT |
91 | #define encode_putfh_maxsz (op_encode_hdr_maxsz + 1 + \ |
92 | (NFS4_FHSIZE >> 2)) | |
93 | #define decode_putfh_maxsz (op_decode_hdr_maxsz) | |
94 | #define encode_putrootfh_maxsz (op_encode_hdr_maxsz) | |
95 | #define decode_putrootfh_maxsz (op_decode_hdr_maxsz) | |
96 | #define encode_getfh_maxsz (op_encode_hdr_maxsz) | |
97 | #define decode_getfh_maxsz (op_decode_hdr_maxsz + 1 + \ | |
98 | ((3+NFS4_FHSIZE) >> 2)) | |
e5012d1f | 99 | #define nfs4_fattr_bitmap_maxsz 4 |
96928206 | 100 | #define encode_getattr_maxsz (op_encode_hdr_maxsz + nfs4_fattr_bitmap_maxsz) |
1da177e4 LT |
101 | #define nfs4_name_maxsz (1 + ((3 + NFS4_MAXNAMLEN) >> 2)) |
102 | #define nfs4_path_maxsz (1 + ((3 + NFS4_MAXPATHLEN) >> 2)) | |
bd625ba8 TM |
103 | #define nfs4_owner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) |
104 | #define nfs4_group_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ)) | |
aa9c2669 DQ |
105 | #ifdef CONFIG_NFS_V4_SECURITY_LABEL |
106 | /* PI(4 bytes) + LFS(4 bytes) + 1(for null terminator?) + MAXLABELLEN */ | |
107 | #define nfs4_label_maxsz (4 + 4 + 1 + XDR_QUADLEN(NFS4_MAXLABELLEN)) | |
108 | #define encode_readdir_space 24 | |
109 | #define encode_readdir_bitmask_sz 3 | |
110 | #else | |
111 | #define nfs4_label_maxsz 0 | |
112 | #define encode_readdir_space 20 | |
113 | #define encode_readdir_bitmask_sz 2 | |
114 | #endif | |
88034c3d AA |
115 | /* We support only one layout type per file system */ |
116 | #define decode_mdsthreshold_maxsz (1 + 1 + nfs4_fattr_bitmap_maxsz + 1 + 8) | |
96928206 BF |
117 | /* This is based on getfattr, which uses the most attributes: */ |
118 | #define nfs4_fattr_value_maxsz (1 + (1 + 2 + 2 + 4 + 2 + 1 + 1 + 2 + 2 + \ | |
88034c3d | 119 | 3 + 3 + 3 + nfs4_owner_maxsz + \ |
aa9c2669 DQ |
120 | nfs4_group_maxsz + nfs4_label_maxsz + \ |
121 | decode_mdsthreshold_maxsz)) | |
96928206 BF |
122 | #define nfs4_fattr_maxsz (nfs4_fattr_bitmap_maxsz + \ |
123 | nfs4_fattr_value_maxsz) | |
124 | #define decode_getattr_maxsz (op_decode_hdr_maxsz + nfs4_fattr_maxsz) | |
9104a55d TM |
125 | #define encode_attrs_maxsz (nfs4_fattr_bitmap_maxsz + \ |
126 | 1 + 2 + 1 + \ | |
127 | nfs4_owner_maxsz + \ | |
128 | nfs4_group_maxsz + \ | |
aa9c2669 | 129 | nfs4_label_maxsz + \ |
9104a55d | 130 | 4 + 4) |
1da177e4 LT |
131 | #define encode_savefh_maxsz (op_encode_hdr_maxsz) |
132 | #define decode_savefh_maxsz (op_decode_hdr_maxsz) | |
56ae19f3 TM |
133 | #define encode_restorefh_maxsz (op_encode_hdr_maxsz) |
134 | #define decode_restorefh_maxsz (op_decode_hdr_maxsz) | |
2f42b5d0 | 135 | #define encode_fsinfo_maxsz (encode_getattr_maxsz) |
dae100c2 FI |
136 | /* The 5 accounts for the PNFS attributes, and assumes that at most three |
137 | * layout types will be returned. | |
138 | */ | |
139 | #define decode_fsinfo_maxsz (op_decode_hdr_maxsz + \ | |
140 | nfs4_fattr_bitmap_maxsz + 4 + 8 + 5) | |
1da177e4 LT |
141 | #define encode_renew_maxsz (op_encode_hdr_maxsz + 3) |
142 | #define decode_renew_maxsz (op_decode_hdr_maxsz) | |
143 | #define encode_setclientid_maxsz \ | |
144 | (op_encode_hdr_maxsz + \ | |
cc38bac3 CL |
145 | XDR_QUADLEN(NFS4_VERIFIER_SIZE) + \ |
146 | XDR_QUADLEN(NFS4_SETCLIENTID_NAMELEN) + \ | |
147 | 1 /* sc_prog */ + \ | |
148 | XDR_QUADLEN(RPCBIND_MAXNETIDLEN) + \ | |
149 | XDR_QUADLEN(RPCBIND_MAXUADDRLEN) + \ | |
150 | 1) /* sc_cb_ident */ | |
1da177e4 LT |
151 | #define decode_setclientid_maxsz \ |
152 | (op_decode_hdr_maxsz + \ | |
153 | 2 + \ | |
154 | 1024) /* large value for CLID_INUSE */ | |
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 + \ |
aa9c2669 DQ |
210 | decode_verifier_maxsz + \ |
211 | nfs4_label_maxsz + nfs4_fattr_maxsz) | |
9104a55d TM |
212 | #define encode_readlink_maxsz (op_encode_hdr_maxsz) |
213 | #define decode_readlink_maxsz (op_decode_hdr_maxsz + 1) | |
214 | #define encode_write_maxsz (op_encode_hdr_maxsz + \ | |
215 | encode_stateid_maxsz + 4) | |
216 | #define decode_write_maxsz (op_decode_hdr_maxsz + \ | |
217 | 2 + decode_verifier_maxsz) | |
218 | #define encode_commit_maxsz (op_encode_hdr_maxsz + 3) | |
219 | #define decode_commit_maxsz (op_decode_hdr_maxsz + \ | |
220 | decode_verifier_maxsz) | |
1da177e4 LT |
221 | #define encode_remove_maxsz (op_encode_hdr_maxsz + \ |
222 | nfs4_name_maxsz) | |
6ce18391 BH |
223 | #define decode_remove_maxsz (op_decode_hdr_maxsz + \ |
224 | decode_change_info_maxsz) | |
1da177e4 LT |
225 | #define encode_rename_maxsz (op_encode_hdr_maxsz + \ |
226 | 2 * nfs4_name_maxsz) | |
6ce18391 BH |
227 | #define decode_rename_maxsz (op_decode_hdr_maxsz + \ |
228 | decode_change_info_maxsz + \ | |
229 | decode_change_info_maxsz) | |
1da177e4 LT |
230 | #define encode_link_maxsz (op_encode_hdr_maxsz + \ |
231 | nfs4_name_maxsz) | |
6ce18391 | 232 | #define decode_link_maxsz (op_decode_hdr_maxsz + decode_change_info_maxsz) |
daccbded | 233 | #define encode_lockowner_maxsz (7) |
9104a55d TM |
234 | #define encode_lock_maxsz (op_encode_hdr_maxsz + \ |
235 | 7 + \ | |
daccbded TM |
236 | 1 + encode_stateid_maxsz + 1 + \ |
237 | encode_lockowner_maxsz) | |
9104a55d TM |
238 | #define decode_lock_denied_maxsz \ |
239 | (8 + decode_lockowner_maxsz) | |
240 | #define decode_lock_maxsz (op_decode_hdr_maxsz + \ | |
241 | decode_lock_denied_maxsz) | |
daccbded TM |
242 | #define encode_lockt_maxsz (op_encode_hdr_maxsz + 5 + \ |
243 | encode_lockowner_maxsz) | |
9104a55d TM |
244 | #define decode_lockt_maxsz (op_decode_hdr_maxsz + \ |
245 | decode_lock_denied_maxsz) | |
246 | #define encode_locku_maxsz (op_encode_hdr_maxsz + 3 + \ | |
247 | encode_stateid_maxsz + \ | |
248 | 4) | |
249 | #define decode_locku_maxsz (op_decode_hdr_maxsz + \ | |
250 | decode_stateid_maxsz) | |
d3c7b7cc TM |
251 | #define encode_release_lockowner_maxsz \ |
252 | (op_encode_hdr_maxsz + \ | |
253 | encode_lockowner_maxsz) | |
254 | #define decode_release_lockowner_maxsz \ | |
255 | (op_decode_hdr_maxsz) | |
9104a55d TM |
256 | #define encode_access_maxsz (op_encode_hdr_maxsz + 1) |
257 | #define decode_access_maxsz (op_decode_hdr_maxsz + 2) | |
1da177e4 LT |
258 | #define encode_symlink_maxsz (op_encode_hdr_maxsz + \ |
259 | 1 + nfs4_name_maxsz + \ | |
94a6d753 | 260 | 1 + \ |
96928206 | 261 | nfs4_fattr_maxsz) |
1da177e4 LT |
262 | #define decode_symlink_maxsz (op_decode_hdr_maxsz + 8) |
263 | #define encode_create_maxsz (op_encode_hdr_maxsz + \ | |
9104a55d TM |
264 | 1 + 2 + nfs4_name_maxsz + \ |
265 | encode_attrs_maxsz) | |
2cebf828 TM |
266 | #define decode_create_maxsz (op_decode_hdr_maxsz + \ |
267 | decode_change_info_maxsz + \ | |
268 | nfs4_fattr_bitmap_maxsz) | |
9104a55d TM |
269 | #define encode_statfs_maxsz (encode_getattr_maxsz) |
270 | #define decode_statfs_maxsz (decode_getattr_maxsz) | |
1da177e4 LT |
271 | #define encode_delegreturn_maxsz (op_encode_hdr_maxsz + 4) |
272 | #define decode_delegreturn_maxsz (op_decode_hdr_maxsz) | |
9104a55d TM |
273 | #define encode_getacl_maxsz (encode_getattr_maxsz) |
274 | #define decode_getacl_maxsz (op_decode_hdr_maxsz + \ | |
275 | nfs4_fattr_bitmap_maxsz + 1) | |
276 | #define encode_setacl_maxsz (op_encode_hdr_maxsz + \ | |
277 | encode_stateid_maxsz + 3) | |
278 | #define decode_setacl_maxsz (decode_setattr_maxsz) | |
e6889620 TM |
279 | #define encode_fs_locations_maxsz \ |
280 | (encode_getattr_maxsz) | |
281 | #define decode_fs_locations_maxsz \ | |
282 | (0) | |
5a5ea0d4 | 283 | #define encode_secinfo_maxsz (op_encode_hdr_maxsz + nfs4_name_maxsz) |
1650add2 | 284 | #define decode_secinfo_maxsz (op_decode_hdr_maxsz + 1 + ((NFS_MAX_SECFLAVORS * (16 + GSS_OID_MAX_LEN)) / 4)) |
9b7b9fcc AA |
285 | |
286 | #if defined(CONFIG_NFS_V4_1) | |
fc931582 | 287 | #define NFS4_MAX_MACHINE_NAME_LEN (64) |
d751f748 JR |
288 | #define IMPL_NAME_LIMIT (sizeof(utsname()->sysname) + sizeof(utsname()->release) + \ |
289 | sizeof(utsname()->version) + sizeof(utsname()->machine) + 8) | |
fc931582 | 290 | |
99fe60d0 BH |
291 | #define encode_exchange_id_maxsz (op_encode_hdr_maxsz + \ |
292 | encode_verifier_maxsz + \ | |
293 | 1 /* co_ownerid.len */ + \ | |
294 | XDR_QUADLEN(NFS4_EXCHANGE_ID_LEN) + \ | |
295 | 1 /* flags */ + \ | |
296 | 1 /* spa_how */ + \ | |
297 | 0 /* SP4_NONE (for now) */ + \ | |
db8ac8ba WAA |
298 | 1 /* implementation id array of size 1 */ + \ |
299 | 1 /* nii_domain */ + \ | |
300 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
301 | 1 /* nii_name */ + \ | |
d751f748 | 302 | XDR_QUADLEN(IMPL_NAME_LIMIT) + \ |
db8ac8ba | 303 | 3 /* nii_date */) |
99fe60d0 BH |
304 | #define decode_exchange_id_maxsz (op_decode_hdr_maxsz + \ |
305 | 2 /* eir_clientid */ + \ | |
306 | 1 /* eir_sequenceid */ + \ | |
307 | 1 /* eir_flags */ + \ | |
308 | 1 /* spr_how */ + \ | |
309 | 0 /* SP4_NONE (for now) */ + \ | |
310 | 2 /* eir_server_owner.so_minor_id */ + \ | |
311 | /* eir_server_owner.so_major_id<> */ \ | |
312 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 + \ | |
313 | /* eir_server_scope<> */ \ | |
314 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 + \ | |
315 | 1 /* eir_server_impl_id array length */ + \ | |
7d2ed9ac WAA |
316 | 1 /* nii_domain */ + \ |
317 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
318 | 1 /* nii_name */ + \ | |
319 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
320 | 3 /* nii_date */) | |
fc931582 AA |
321 | #define encode_channel_attrs_maxsz (6 + 1 /* ca_rdma_ird.len (0) */) |
322 | #define decode_channel_attrs_maxsz (6 + \ | |
323 | 1 /* ca_rdma_ird.len */ + \ | |
324 | 1 /* ca_rdma_ird */) | |
325 | #define encode_create_session_maxsz (op_encode_hdr_maxsz + \ | |
326 | 2 /* csa_clientid */ + \ | |
327 | 1 /* csa_sequence */ + \ | |
328 | 1 /* csa_flags */ + \ | |
329 | encode_channel_attrs_maxsz + \ | |
330 | encode_channel_attrs_maxsz + \ | |
331 | 1 /* csa_cb_program */ + \ | |
332 | 1 /* csa_sec_parms.len (1) */ + \ | |
333 | 1 /* cb_secflavor (AUTH_SYS) */ + \ | |
334 | 1 /* stamp */ + \ | |
335 | 1 /* machinename.len */ + \ | |
336 | XDR_QUADLEN(NFS4_MAX_MACHINE_NAME_LEN) + \ | |
337 | 1 /* uid */ + \ | |
338 | 1 /* gid */ + \ | |
339 | 1 /* gids.len (0) */) | |
340 | #define decode_create_session_maxsz (op_decode_hdr_maxsz + \ | |
341 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + \ | |
342 | 1 /* csr_sequence */ + \ | |
343 | 1 /* csr_flags */ + \ | |
344 | decode_channel_attrs_maxsz + \ | |
345 | decode_channel_attrs_maxsz) | |
7c44f1ae WAA |
346 | #define encode_bind_conn_to_session_maxsz (op_encode_hdr_maxsz + \ |
347 | /* bctsa_sessid */ \ | |
348 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + \ | |
349 | 1 /* bctsa_dir */ + \ | |
350 | 1 /* bctsa_use_conn_in_rdma_mode */) | |
351 | #define decode_bind_conn_to_session_maxsz (op_decode_hdr_maxsz + \ | |
352 | /* bctsr_sessid */ \ | |
353 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + \ | |
354 | 1 /* bctsr_dir */ + \ | |
355 | 1 /* bctsr_use_conn_in_rdma_mode */) | |
0f3e66c6 AA |
356 | #define encode_destroy_session_maxsz (op_encode_hdr_maxsz + 4) |
357 | #define decode_destroy_session_maxsz (op_decode_hdr_maxsz) | |
66245539 TM |
358 | #define encode_destroy_clientid_maxsz (op_encode_hdr_maxsz + 2) |
359 | #define decode_destroy_clientid_maxsz (op_decode_hdr_maxsz) | |
fc01cea9 AA |
360 | #define encode_sequence_maxsz (op_encode_hdr_maxsz + \ |
361 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 4) | |
362 | #define decode_sequence_maxsz (op_decode_hdr_maxsz + \ | |
363 | XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 5) | |
18019753 RL |
364 | #define encode_reclaim_complete_maxsz (op_encode_hdr_maxsz + 4) |
365 | #define decode_reclaim_complete_maxsz (op_decode_hdr_maxsz + 4) | |
7f11d8d3 AA |
366 | #define encode_getdevicelist_maxsz (op_encode_hdr_maxsz + 4 + \ |
367 | encode_verifier_maxsz) | |
368 | #define decode_getdevicelist_maxsz (op_decode_hdr_maxsz + \ | |
369 | 2 /* nfs_cookie4 gdlr_cookie */ + \ | |
370 | decode_verifier_maxsz \ | |
371 | /* verifier4 gdlr_verifier */ + \ | |
372 | 1 /* gdlr_deviceid_list count */ + \ | |
373 | XDR_QUADLEN(NFS4_PNFS_GETDEVLIST_MAXNUM * \ | |
374 | NFS4_DEVICEID4_SIZE) \ | |
375 | /* gdlr_deviceid_list */ + \ | |
376 | 1 /* bool gdlr_eof */) | |
b1f69b75 AA |
377 | #define encode_getdeviceinfo_maxsz (op_encode_hdr_maxsz + 4 + \ |
378 | XDR_QUADLEN(NFS4_DEVICEID4_SIZE)) | |
379 | #define decode_getdeviceinfo_maxsz (op_decode_hdr_maxsz + \ | |
380 | 1 /* layout type */ + \ | |
381 | 1 /* opaque devaddr4 length */ + \ | |
382 | /* devaddr4 payload is read into page */ \ | |
383 | 1 /* notification bitmap length */ + \ | |
384 | 1 /* notification bitmap */) | |
385 | #define encode_layoutget_maxsz (op_encode_hdr_maxsz + 10 + \ | |
386 | encode_stateid_maxsz) | |
387 | #define decode_layoutget_maxsz (op_decode_hdr_maxsz + 8 + \ | |
388 | decode_stateid_maxsz + \ | |
389 | XDR_QUADLEN(PNFS_LAYOUT_MAXSIZE)) | |
863a3c6c AA |
390 | #define encode_layoutcommit_maxsz (op_encode_hdr_maxsz + \ |
391 | 2 /* offset */ + \ | |
392 | 2 /* length */ + \ | |
393 | 1 /* reclaim */ + \ | |
394 | encode_stateid_maxsz + \ | |
395 | 1 /* new offset (true) */ + \ | |
396 | 2 /* last byte written */ + \ | |
397 | 1 /* nt_timechanged (false) */ + \ | |
398 | 1 /* layoutupdate4 layout type */ + \ | |
399 | 1 /* NULL filelayout layoutupdate4 payload */) | |
400 | #define decode_layoutcommit_maxsz (op_decode_hdr_maxsz + 3) | |
cbe82603 BH |
401 | #define encode_layoutreturn_maxsz (8 + op_encode_hdr_maxsz + \ |
402 | encode_stateid_maxsz + \ | |
403 | 1 /* FIXME: opaque lrf_body always empty at the moment */) | |
404 | #define decode_layoutreturn_maxsz (op_decode_hdr_maxsz + \ | |
405 | 1 + decode_stateid_maxsz) | |
fca78d6d BS |
406 | #define encode_secinfo_no_name_maxsz (op_encode_hdr_maxsz + 1) |
407 | #define decode_secinfo_no_name_maxsz decode_secinfo_maxsz | |
7d974794 BS |
408 | #define encode_test_stateid_maxsz (op_encode_hdr_maxsz + 2 + \ |
409 | XDR_QUADLEN(NFS4_STATEID_SIZE)) | |
410 | #define decode_test_stateid_maxsz (op_decode_hdr_maxsz + 2 + 1) | |
9aeda35f BS |
411 | #define encode_free_stateid_maxsz (op_encode_hdr_maxsz + 1 + \ |
412 | XDR_QUADLEN(NFS4_STATEID_SIZE)) | |
413 | #define decode_free_stateid_maxsz (op_decode_hdr_maxsz + 1) | |
9b7b9fcc AA |
414 | #else /* CONFIG_NFS_V4_1 */ |
415 | #define encode_sequence_maxsz 0 | |
416 | #define decode_sequence_maxsz 0 | |
417 | #endif /* CONFIG_NFS_V4_1 */ | |
418 | ||
1da177e4 LT |
419 | #define NFS4_enc_compound_sz (1024) /* XXX: large enough? */ |
420 | #define NFS4_dec_compound_sz (1024) /* XXX: large enough? */ | |
421 | #define NFS4_enc_read_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 422 | encode_sequence_maxsz + \ |
1da177e4 | 423 | encode_putfh_maxsz + \ |
9104a55d | 424 | encode_read_maxsz) |
1da177e4 | 425 | #define NFS4_dec_read_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 426 | decode_sequence_maxsz + \ |
1da177e4 | 427 | decode_putfh_maxsz + \ |
9104a55d | 428 | decode_read_maxsz) |
1da177e4 | 429 | #define NFS4_enc_readlink_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 430 | encode_sequence_maxsz + \ |
1da177e4 | 431 | encode_putfh_maxsz + \ |
9104a55d | 432 | encode_readlink_maxsz) |
1da177e4 | 433 | #define NFS4_dec_readlink_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 434 | decode_sequence_maxsz + \ |
1da177e4 | 435 | decode_putfh_maxsz + \ |
9104a55d | 436 | decode_readlink_maxsz) |
1da177e4 | 437 | #define NFS4_enc_readdir_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 438 | encode_sequence_maxsz + \ |
1da177e4 | 439 | encode_putfh_maxsz + \ |
9104a55d | 440 | encode_readdir_maxsz) |
1da177e4 | 441 | #define NFS4_dec_readdir_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 442 | decode_sequence_maxsz + \ |
1da177e4 | 443 | decode_putfh_maxsz + \ |
9104a55d | 444 | decode_readdir_maxsz) |
1da177e4 | 445 | #define NFS4_enc_write_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 446 | encode_sequence_maxsz + \ |
1da177e4 | 447 | encode_putfh_maxsz + \ |
9104a55d | 448 | encode_write_maxsz + \ |
4f9838c7 | 449 | encode_getattr_maxsz) |
1da177e4 | 450 | #define NFS4_dec_write_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 451 | decode_sequence_maxsz + \ |
1da177e4 | 452 | decode_putfh_maxsz + \ |
9104a55d | 453 | decode_write_maxsz + \ |
4f9838c7 | 454 | decode_getattr_maxsz) |
1da177e4 | 455 | #define NFS4_enc_commit_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 456 | encode_sequence_maxsz + \ |
1da177e4 | 457 | encode_putfh_maxsz + \ |
8582715e | 458 | encode_commit_maxsz) |
1da177e4 | 459 | #define NFS4_dec_commit_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 460 | decode_sequence_maxsz + \ |
1da177e4 | 461 | decode_putfh_maxsz + \ |
8582715e | 462 | decode_commit_maxsz) |
1da177e4 | 463 | #define NFS4_enc_open_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 464 | encode_sequence_maxsz + \ |
2cebf828 | 465 | encode_putfh_maxsz + \ |
2cebf828 | 466 | encode_open_maxsz + \ |
6168f62c | 467 | encode_access_maxsz + \ |
2cebf828 | 468 | encode_getfh_maxsz + \ |
2cebf828 | 469 | encode_getattr_maxsz) |
1da177e4 | 470 | #define NFS4_dec_open_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 471 | decode_sequence_maxsz + \ |
2cebf828 | 472 | decode_putfh_maxsz + \ |
2cebf828 | 473 | decode_open_maxsz + \ |
6168f62c | 474 | decode_access_maxsz + \ |
2cebf828 | 475 | decode_getfh_maxsz + \ |
2cebf828 | 476 | decode_getattr_maxsz) |
9104a55d TM |
477 | #define NFS4_enc_open_confirm_sz \ |
478 | (compound_encode_hdr_maxsz + \ | |
479 | encode_putfh_maxsz + \ | |
480 | encode_open_confirm_maxsz) | |
481 | #define NFS4_dec_open_confirm_sz \ | |
482 | (compound_decode_hdr_maxsz + \ | |
483 | decode_putfh_maxsz + \ | |
484 | decode_open_confirm_maxsz) | |
1da177e4 | 485 | #define NFS4_enc_open_noattr_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 486 | encode_sequence_maxsz + \ |
1da177e4 | 487 | encode_putfh_maxsz + \ |
2cebf828 | 488 | encode_open_maxsz + \ |
6168f62c | 489 | encode_access_maxsz + \ |
2cebf828 | 490 | encode_getattr_maxsz) |
1da177e4 | 491 | #define NFS4_dec_open_noattr_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 492 | decode_sequence_maxsz + \ |
1da177e4 | 493 | decode_putfh_maxsz + \ |
2cebf828 | 494 | decode_open_maxsz + \ |
6168f62c | 495 | decode_access_maxsz + \ |
2cebf828 | 496 | decode_getattr_maxsz) |
1da177e4 LT |
497 | #define NFS4_enc_open_downgrade_sz \ |
498 | (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 499 | encode_sequence_maxsz + \ |
9104a55d TM |
500 | encode_putfh_maxsz + \ |
501 | encode_open_downgrade_maxsz + \ | |
502 | encode_getattr_maxsz) | |
1da177e4 LT |
503 | #define NFS4_dec_open_downgrade_sz \ |
504 | (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 505 | decode_sequence_maxsz + \ |
9104a55d TM |
506 | decode_putfh_maxsz + \ |
507 | decode_open_downgrade_maxsz + \ | |
508 | decode_getattr_maxsz) | |
509 | #define NFS4_enc_close_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 510 | encode_sequence_maxsz + \ |
9104a55d TM |
511 | encode_putfh_maxsz + \ |
512 | encode_close_maxsz + \ | |
513 | encode_getattr_maxsz) | |
514 | #define NFS4_dec_close_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 515 | decode_sequence_maxsz + \ |
9104a55d TM |
516 | decode_putfh_maxsz + \ |
517 | decode_close_maxsz + \ | |
518 | decode_getattr_maxsz) | |
519 | #define NFS4_enc_setattr_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 520 | encode_sequence_maxsz + \ |
9104a55d TM |
521 | encode_putfh_maxsz + \ |
522 | encode_setattr_maxsz + \ | |
523 | encode_getattr_maxsz) | |
524 | #define NFS4_dec_setattr_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 525 | decode_sequence_maxsz + \ |
9104a55d TM |
526 | decode_putfh_maxsz + \ |
527 | decode_setattr_maxsz + \ | |
528 | decode_getattr_maxsz) | |
1da177e4 | 529 | #define NFS4_enc_fsinfo_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 530 | encode_sequence_maxsz + \ |
1da177e4 LT |
531 | encode_putfh_maxsz + \ |
532 | encode_fsinfo_maxsz) | |
533 | #define NFS4_dec_fsinfo_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 534 | decode_sequence_maxsz + \ |
1da177e4 LT |
535 | decode_putfh_maxsz + \ |
536 | decode_fsinfo_maxsz) | |
537 | #define NFS4_enc_renew_sz (compound_encode_hdr_maxsz + \ | |
538 | encode_renew_maxsz) | |
539 | #define NFS4_dec_renew_sz (compound_decode_hdr_maxsz + \ | |
540 | decode_renew_maxsz) | |
541 | #define NFS4_enc_setclientid_sz (compound_encode_hdr_maxsz + \ | |
542 | encode_setclientid_maxsz) | |
543 | #define NFS4_dec_setclientid_sz (compound_decode_hdr_maxsz + \ | |
544 | decode_setclientid_maxsz) | |
545 | #define NFS4_enc_setclientid_confirm_sz \ | |
546 | (compound_encode_hdr_maxsz + \ | |
83ca7f5a | 547 | encode_setclientid_confirm_maxsz) |
1da177e4 LT |
548 | #define NFS4_dec_setclientid_confirm_sz \ |
549 | (compound_decode_hdr_maxsz + \ | |
83ca7f5a | 550 | decode_setclientid_confirm_maxsz) |
1da177e4 | 551 | #define NFS4_enc_lock_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 552 | encode_sequence_maxsz + \ |
1da177e4 | 553 | encode_putfh_maxsz + \ |
9104a55d | 554 | encode_lock_maxsz) |
1da177e4 | 555 | #define NFS4_dec_lock_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 556 | decode_sequence_maxsz + \ |
1da177e4 | 557 | decode_putfh_maxsz + \ |
9104a55d | 558 | decode_lock_maxsz) |
1da177e4 | 559 | #define NFS4_enc_lockt_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 560 | encode_sequence_maxsz + \ |
1da177e4 | 561 | encode_putfh_maxsz + \ |
9104a55d TM |
562 | encode_lockt_maxsz) |
563 | #define NFS4_dec_lockt_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 564 | decode_sequence_maxsz + \ |
9104a55d TM |
565 | decode_putfh_maxsz + \ |
566 | decode_lockt_maxsz) | |
1da177e4 | 567 | #define NFS4_enc_locku_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 568 | encode_sequence_maxsz + \ |
1da177e4 | 569 | encode_putfh_maxsz + \ |
9104a55d | 570 | encode_locku_maxsz) |
1da177e4 | 571 | #define NFS4_dec_locku_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 572 | decode_sequence_maxsz + \ |
1da177e4 | 573 | decode_putfh_maxsz + \ |
9104a55d | 574 | decode_locku_maxsz) |
d3c7b7cc TM |
575 | #define NFS4_enc_release_lockowner_sz \ |
576 | (compound_encode_hdr_maxsz + \ | |
577 | encode_lockowner_maxsz) | |
578 | #define NFS4_dec_release_lockowner_sz \ | |
579 | (compound_decode_hdr_maxsz + \ | |
580 | decode_lockowner_maxsz) | |
1da177e4 | 581 | #define NFS4_enc_access_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 582 | encode_sequence_maxsz + \ |
1da177e4 | 583 | encode_putfh_maxsz + \ |
76b32999 TM |
584 | encode_access_maxsz + \ |
585 | encode_getattr_maxsz) | |
1da177e4 | 586 | #define NFS4_dec_access_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 587 | decode_sequence_maxsz + \ |
1da177e4 | 588 | decode_putfh_maxsz + \ |
76b32999 TM |
589 | decode_access_maxsz + \ |
590 | decode_getattr_maxsz) | |
1da177e4 | 591 | #define NFS4_enc_getattr_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 592 | encode_sequence_maxsz + \ |
1da177e4 LT |
593 | encode_putfh_maxsz + \ |
594 | encode_getattr_maxsz) | |
595 | #define NFS4_dec_getattr_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 596 | decode_sequence_maxsz + \ |
1da177e4 LT |
597 | decode_putfh_maxsz + \ |
598 | decode_getattr_maxsz) | |
599 | #define NFS4_enc_lookup_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 600 | encode_sequence_maxsz + \ |
1da177e4 LT |
601 | encode_putfh_maxsz + \ |
602 | encode_lookup_maxsz + \ | |
603 | encode_getattr_maxsz + \ | |
604 | encode_getfh_maxsz) | |
605 | #define NFS4_dec_lookup_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 606 | decode_sequence_maxsz + \ |
1da177e4 | 607 | decode_putfh_maxsz + \ |
e6889620 | 608 | decode_lookup_maxsz + \ |
1da177e4 LT |
609 | decode_getattr_maxsz + \ |
610 | decode_getfh_maxsz) | |
611 | #define NFS4_enc_lookup_root_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 612 | encode_sequence_maxsz + \ |
1da177e4 LT |
613 | encode_putrootfh_maxsz + \ |
614 | encode_getattr_maxsz + \ | |
615 | encode_getfh_maxsz) | |
616 | #define NFS4_dec_lookup_root_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 617 | decode_sequence_maxsz + \ |
1da177e4 LT |
618 | decode_putrootfh_maxsz + \ |
619 | decode_getattr_maxsz + \ | |
620 | decode_getfh_maxsz) | |
621 | #define NFS4_enc_remove_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 622 | encode_sequence_maxsz + \ |
1da177e4 | 623 | encode_putfh_maxsz + \ |
778d2817 | 624 | encode_remove_maxsz) |
1da177e4 | 625 | #define NFS4_dec_remove_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 626 | decode_sequence_maxsz + \ |
1da177e4 | 627 | decode_putfh_maxsz + \ |
778d2817 | 628 | decode_remove_maxsz) |
1da177e4 | 629 | #define NFS4_enc_rename_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 630 | encode_sequence_maxsz + \ |
1da177e4 LT |
631 | encode_putfh_maxsz + \ |
632 | encode_savefh_maxsz + \ | |
633 | encode_putfh_maxsz + \ | |
778d2817 | 634 | encode_rename_maxsz) |
1da177e4 | 635 | #define NFS4_dec_rename_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 636 | decode_sequence_maxsz + \ |
1da177e4 LT |
637 | decode_putfh_maxsz + \ |
638 | decode_savefh_maxsz + \ | |
639 | decode_putfh_maxsz + \ | |
778d2817 | 640 | decode_rename_maxsz) |
1da177e4 | 641 | #define NFS4_enc_link_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 642 | encode_sequence_maxsz + \ |
1da177e4 LT |
643 | encode_putfh_maxsz + \ |
644 | encode_savefh_maxsz + \ | |
645 | encode_putfh_maxsz + \ | |
91ba2eee | 646 | encode_link_maxsz + \ |
91ba2eee | 647 | encode_restorefh_maxsz + \ |
a9f6991b | 648 | encode_getattr_maxsz) |
1da177e4 | 649 | #define NFS4_dec_link_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 650 | decode_sequence_maxsz + \ |
1da177e4 LT |
651 | decode_putfh_maxsz + \ |
652 | decode_savefh_maxsz + \ | |
653 | decode_putfh_maxsz + \ | |
91ba2eee | 654 | decode_link_maxsz + \ |
91ba2eee TM |
655 | decode_restorefh_maxsz + \ |
656 | decode_getattr_maxsz) | |
1da177e4 | 657 | #define NFS4_enc_symlink_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 658 | encode_sequence_maxsz + \ |
1da177e4 LT |
659 | encode_putfh_maxsz + \ |
660 | encode_symlink_maxsz + \ | |
661 | encode_getattr_maxsz + \ | |
662 | encode_getfh_maxsz) | |
663 | #define NFS4_dec_symlink_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 664 | decode_sequence_maxsz + \ |
1da177e4 LT |
665 | decode_putfh_maxsz + \ |
666 | decode_symlink_maxsz + \ | |
667 | decode_getattr_maxsz + \ | |
668 | decode_getfh_maxsz) | |
669 | #define NFS4_enc_create_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 670 | encode_sequence_maxsz + \ |
1da177e4 LT |
671 | encode_putfh_maxsz + \ |
672 | encode_create_maxsz + \ | |
56ae19f3 | 673 | encode_getfh_maxsz + \ |
56ae19f3 | 674 | encode_getattr_maxsz) |
1da177e4 | 675 | #define NFS4_dec_create_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 676 | decode_sequence_maxsz + \ |
1da177e4 LT |
677 | decode_putfh_maxsz + \ |
678 | decode_create_maxsz + \ | |
56ae19f3 | 679 | decode_getfh_maxsz + \ |
56ae19f3 | 680 | decode_getattr_maxsz) |
1da177e4 | 681 | #define NFS4_enc_pathconf_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 682 | encode_sequence_maxsz + \ |
1da177e4 LT |
683 | encode_putfh_maxsz + \ |
684 | encode_getattr_maxsz) | |
685 | #define NFS4_dec_pathconf_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 686 | decode_sequence_maxsz + \ |
1da177e4 LT |
687 | decode_putfh_maxsz + \ |
688 | decode_getattr_maxsz) | |
689 | #define NFS4_enc_statfs_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 690 | encode_sequence_maxsz + \ |
1da177e4 | 691 | encode_putfh_maxsz + \ |
9104a55d | 692 | encode_statfs_maxsz) |
1da177e4 | 693 | #define NFS4_dec_statfs_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 694 | decode_sequence_maxsz + \ |
1da177e4 | 695 | decode_putfh_maxsz + \ |
9104a55d | 696 | decode_statfs_maxsz) |
1da177e4 | 697 | #define NFS4_enc_server_caps_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 698 | encode_sequence_maxsz + \ |
ab91f264 | 699 | encode_putfh_maxsz + \ |
1da177e4 LT |
700 | encode_getattr_maxsz) |
701 | #define NFS4_dec_server_caps_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 702 | decode_sequence_maxsz + \ |
ab91f264 | 703 | decode_putfh_maxsz + \ |
1da177e4 LT |
704 | decode_getattr_maxsz) |
705 | #define NFS4_enc_delegreturn_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 706 | encode_sequence_maxsz + \ |
1da177e4 | 707 | encode_putfh_maxsz + \ |
fa178f29 TM |
708 | encode_delegreturn_maxsz + \ |
709 | encode_getattr_maxsz) | |
1da177e4 | 710 | #define NFS4_dec_delegreturn_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 711 | decode_sequence_maxsz + \ |
fa178f29 TM |
712 | decode_delegreturn_maxsz + \ |
713 | decode_getattr_maxsz) | |
029d105e | 714 | #define NFS4_enc_getacl_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 715 | encode_sequence_maxsz + \ |
029d105e | 716 | encode_putfh_maxsz + \ |
9104a55d | 717 | encode_getacl_maxsz) |
029d105e | 718 | #define NFS4_dec_getacl_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 719 | decode_sequence_maxsz + \ |
029d105e | 720 | decode_putfh_maxsz + \ |
9104a55d | 721 | decode_getacl_maxsz) |
23ec6965 | 722 | #define NFS4_enc_setacl_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 723 | encode_sequence_maxsz + \ |
23ec6965 | 724 | encode_putfh_maxsz + \ |
9104a55d | 725 | encode_setacl_maxsz) |
23ec6965 | 726 | #define NFS4_dec_setacl_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 727 | decode_sequence_maxsz + \ |
23ec6965 | 728 | decode_putfh_maxsz + \ |
9104a55d | 729 | decode_setacl_maxsz) |
683b57b4 TM |
730 | #define NFS4_enc_fs_locations_sz \ |
731 | (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 732 | encode_sequence_maxsz + \ |
683b57b4 | 733 | encode_putfh_maxsz + \ |
e6889620 TM |
734 | encode_lookup_maxsz + \ |
735 | encode_fs_locations_maxsz) | |
683b57b4 TM |
736 | #define NFS4_dec_fs_locations_sz \ |
737 | (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 738 | decode_sequence_maxsz + \ |
683b57b4 | 739 | decode_putfh_maxsz + \ |
e6889620 TM |
740 | decode_lookup_maxsz + \ |
741 | decode_fs_locations_maxsz) | |
5a5ea0d4 BS |
742 | #define NFS4_enc_secinfo_sz (compound_encode_hdr_maxsz + \ |
743 | encode_sequence_maxsz + \ | |
744 | encode_putfh_maxsz + \ | |
745 | encode_secinfo_maxsz) | |
746 | #define NFS4_dec_secinfo_sz (compound_decode_hdr_maxsz + \ | |
747 | decode_sequence_maxsz + \ | |
748 | decode_putfh_maxsz + \ | |
749 | decode_secinfo_maxsz) | |
99fe60d0 | 750 | #if defined(CONFIG_NFS_V4_1) |
7c44f1ae WAA |
751 | #define NFS4_enc_bind_conn_to_session_sz \ |
752 | (compound_encode_hdr_maxsz + \ | |
753 | encode_bind_conn_to_session_maxsz) | |
754 | #define NFS4_dec_bind_conn_to_session_sz \ | |
755 | (compound_decode_hdr_maxsz + \ | |
756 | decode_bind_conn_to_session_maxsz) | |
99fe60d0 BH |
757 | #define NFS4_enc_exchange_id_sz \ |
758 | (compound_encode_hdr_maxsz + \ | |
759 | encode_exchange_id_maxsz) | |
760 | #define NFS4_dec_exchange_id_sz \ | |
761 | (compound_decode_hdr_maxsz + \ | |
762 | decode_exchange_id_maxsz) | |
fc931582 AA |
763 | #define NFS4_enc_create_session_sz \ |
764 | (compound_encode_hdr_maxsz + \ | |
765 | encode_create_session_maxsz) | |
766 | #define NFS4_dec_create_session_sz \ | |
767 | (compound_decode_hdr_maxsz + \ | |
768 | decode_create_session_maxsz) | |
0f3e66c6 AA |
769 | #define NFS4_enc_destroy_session_sz (compound_encode_hdr_maxsz + \ |
770 | encode_destroy_session_maxsz) | |
771 | #define NFS4_dec_destroy_session_sz (compound_decode_hdr_maxsz + \ | |
772 | decode_destroy_session_maxsz) | |
66245539 TM |
773 | #define NFS4_enc_destroy_clientid_sz (compound_encode_hdr_maxsz + \ |
774 | encode_destroy_clientid_maxsz) | |
775 | #define NFS4_dec_destroy_clientid_sz (compound_decode_hdr_maxsz + \ | |
776 | decode_destroy_clientid_maxsz) | |
fc01cea9 AA |
777 | #define NFS4_enc_sequence_sz \ |
778 | (compound_decode_hdr_maxsz + \ | |
779 | encode_sequence_maxsz) | |
780 | #define NFS4_dec_sequence_sz \ | |
781 | (compound_decode_hdr_maxsz + \ | |
782 | decode_sequence_maxsz) | |
2050f0cc AA |
783 | #define NFS4_enc_get_lease_time_sz (compound_encode_hdr_maxsz + \ |
784 | encode_sequence_maxsz + \ | |
785 | encode_putrootfh_maxsz + \ | |
786 | encode_fsinfo_maxsz) | |
787 | #define NFS4_dec_get_lease_time_sz (compound_decode_hdr_maxsz + \ | |
788 | decode_sequence_maxsz + \ | |
789 | decode_putrootfh_maxsz + \ | |
790 | decode_fsinfo_maxsz) | |
18019753 RL |
791 | #define NFS4_enc_reclaim_complete_sz (compound_encode_hdr_maxsz + \ |
792 | encode_sequence_maxsz + \ | |
793 | encode_reclaim_complete_maxsz) | |
794 | #define NFS4_dec_reclaim_complete_sz (compound_decode_hdr_maxsz + \ | |
795 | decode_sequence_maxsz + \ | |
796 | decode_reclaim_complete_maxsz) | |
7f11d8d3 AA |
797 | #define NFS4_enc_getdevicelist_sz (compound_encode_hdr_maxsz + \ |
798 | encode_sequence_maxsz + \ | |
799 | encode_putfh_maxsz + \ | |
800 | encode_getdevicelist_maxsz) | |
801 | #define NFS4_dec_getdevicelist_sz (compound_decode_hdr_maxsz + \ | |
802 | decode_sequence_maxsz + \ | |
803 | decode_putfh_maxsz + \ | |
804 | decode_getdevicelist_maxsz) | |
b1f69b75 AA |
805 | #define NFS4_enc_getdeviceinfo_sz (compound_encode_hdr_maxsz + \ |
806 | encode_sequence_maxsz +\ | |
807 | encode_getdeviceinfo_maxsz) | |
808 | #define NFS4_dec_getdeviceinfo_sz (compound_decode_hdr_maxsz + \ | |
809 | decode_sequence_maxsz + \ | |
810 | decode_getdeviceinfo_maxsz) | |
811 | #define NFS4_enc_layoutget_sz (compound_encode_hdr_maxsz + \ | |
812 | encode_sequence_maxsz + \ | |
813 | encode_putfh_maxsz + \ | |
814 | encode_layoutget_maxsz) | |
815 | #define NFS4_dec_layoutget_sz (compound_decode_hdr_maxsz + \ | |
816 | decode_sequence_maxsz + \ | |
817 | decode_putfh_maxsz + \ | |
818 | decode_layoutget_maxsz) | |
863a3c6c AA |
819 | #define NFS4_enc_layoutcommit_sz (compound_encode_hdr_maxsz + \ |
820 | encode_sequence_maxsz +\ | |
821 | encode_putfh_maxsz + \ | |
822 | encode_layoutcommit_maxsz + \ | |
823 | encode_getattr_maxsz) | |
824 | #define NFS4_dec_layoutcommit_sz (compound_decode_hdr_maxsz + \ | |
825 | decode_sequence_maxsz + \ | |
826 | decode_putfh_maxsz + \ | |
827 | decode_layoutcommit_maxsz + \ | |
828 | decode_getattr_maxsz) | |
cbe82603 BH |
829 | #define NFS4_enc_layoutreturn_sz (compound_encode_hdr_maxsz + \ |
830 | encode_sequence_maxsz + \ | |
831 | encode_putfh_maxsz + \ | |
832 | encode_layoutreturn_maxsz) | |
833 | #define NFS4_dec_layoutreturn_sz (compound_decode_hdr_maxsz + \ | |
834 | decode_sequence_maxsz + \ | |
835 | decode_putfh_maxsz + \ | |
836 | decode_layoutreturn_maxsz) | |
fca78d6d BS |
837 | #define NFS4_enc_secinfo_no_name_sz (compound_encode_hdr_maxsz + \ |
838 | encode_sequence_maxsz + \ | |
839 | encode_putrootfh_maxsz +\ | |
840 | encode_secinfo_no_name_maxsz) | |
841 | #define NFS4_dec_secinfo_no_name_sz (compound_decode_hdr_maxsz + \ | |
842 | decode_sequence_maxsz + \ | |
843 | decode_putrootfh_maxsz + \ | |
844 | decode_secinfo_no_name_maxsz) | |
7d974794 BS |
845 | #define NFS4_enc_test_stateid_sz (compound_encode_hdr_maxsz + \ |
846 | encode_sequence_maxsz + \ | |
847 | encode_test_stateid_maxsz) | |
848 | #define NFS4_dec_test_stateid_sz (compound_decode_hdr_maxsz + \ | |
849 | decode_sequence_maxsz + \ | |
850 | decode_test_stateid_maxsz) | |
9aeda35f BS |
851 | #define NFS4_enc_free_stateid_sz (compound_encode_hdr_maxsz + \ |
852 | encode_sequence_maxsz + \ | |
853 | encode_free_stateid_maxsz) | |
854 | #define NFS4_dec_free_stateid_sz (compound_decode_hdr_maxsz + \ | |
855 | decode_sequence_maxsz + \ | |
856 | decode_free_stateid_maxsz) | |
2449ea2e AB |
857 | |
858 | const u32 nfs41_maxwrite_overhead = ((RPC_MAX_HEADER_WITH_AUTH + | |
859 | compound_encode_hdr_maxsz + | |
860 | encode_sequence_maxsz + | |
861 | encode_putfh_maxsz + | |
862 | encode_getattr_maxsz) * | |
863 | XDR_UNIT); | |
864 | ||
865 | const u32 nfs41_maxread_overhead = ((RPC_MAX_HEADER_WITH_AUTH + | |
866 | compound_decode_hdr_maxsz + | |
867 | decode_sequence_maxsz + | |
868 | decode_putfh_maxsz) * | |
869 | XDR_UNIT); | |
f1c097be AA |
870 | |
871 | const u32 nfs41_maxgetdevinfo_overhead = ((RPC_MAX_REPHEADER_WITH_AUTH + | |
872 | compound_decode_hdr_maxsz + | |
873 | decode_sequence_maxsz) * | |
874 | XDR_UNIT); | |
875 | EXPORT_SYMBOL_GPL(nfs41_maxgetdevinfo_overhead); | |
99fe60d0 | 876 | #endif /* CONFIG_NFS_V4_1 */ |
1da177e4 | 877 | |
bca79478 TM |
878 | static const umode_t nfs_type2fmt[] = { |
879 | [NF4BAD] = 0, | |
880 | [NF4REG] = S_IFREG, | |
881 | [NF4DIR] = S_IFDIR, | |
882 | [NF4BLK] = S_IFBLK, | |
883 | [NF4CHR] = S_IFCHR, | |
884 | [NF4LNK] = S_IFLNK, | |
885 | [NF4SOCK] = S_IFSOCK, | |
886 | [NF4FIFO] = S_IFIFO, | |
887 | [NF4ATTRDIR] = 0, | |
888 | [NF4NAMEDATTR] = 0, | |
1da177e4 LT |
889 | }; |
890 | ||
891 | struct compound_hdr { | |
892 | int32_t status; | |
893 | uint32_t nops; | |
d017931c | 894 | __be32 * nops_p; |
1da177e4 LT |
895 | uint32_t taglen; |
896 | char * tag; | |
0c4e8c18 | 897 | uint32_t replen; /* expected reply words */ |
66cc0429 | 898 | u32 minorversion; |
1da177e4 LT |
899 | }; |
900 | ||
13c65ce9 BH |
901 | static __be32 *reserve_space(struct xdr_stream *xdr, size_t nbytes) |
902 | { | |
903 | __be32 *p = xdr_reserve_space(xdr, nbytes); | |
904 | BUG_ON(!p); | |
905 | return p; | |
906 | } | |
1da177e4 | 907 | |
cb17e556 TM |
908 | static void encode_opaque_fixed(struct xdr_stream *xdr, const void *buf, size_t len) |
909 | { | |
910 | __be32 *p; | |
911 | ||
912 | p = xdr_reserve_space(xdr, len); | |
913 | xdr_encode_opaque_fixed(p, buf, len); | |
914 | } | |
915 | ||
1da177e4 LT |
916 | static void encode_string(struct xdr_stream *xdr, unsigned int len, const char *str) |
917 | { | |
8687b63a | 918 | __be32 *p; |
1da177e4 | 919 | |
6fdfb0bc | 920 | p = reserve_space(xdr, 4 + len); |
1da177e4 LT |
921 | xdr_encode_opaque(p, str, len); |
922 | } | |
923 | ||
4ade9821 TM |
924 | static void encode_uint32(struct xdr_stream *xdr, u32 n) |
925 | { | |
926 | __be32 *p; | |
927 | ||
928 | p = reserve_space(xdr, 4); | |
929 | *p = cpu_to_be32(n); | |
930 | } | |
931 | ||
ff2eb681 TM |
932 | static void encode_uint64(struct xdr_stream *xdr, u64 n) |
933 | { | |
934 | __be32 *p; | |
935 | ||
936 | p = reserve_space(xdr, 8); | |
937 | xdr_encode_hyper(p, n); | |
938 | } | |
939 | ||
4ade9821 TM |
940 | static void encode_nfs4_seqid(struct xdr_stream *xdr, |
941 | const struct nfs_seqid *seqid) | |
942 | { | |
943 | encode_uint32(xdr, seqid->sequence->counter); | |
944 | } | |
945 | ||
0c4e8c18 BH |
946 | static void encode_compound_hdr(struct xdr_stream *xdr, |
947 | struct rpc_rqst *req, | |
948 | struct compound_hdr *hdr) | |
1da177e4 | 949 | { |
8687b63a | 950 | __be32 *p; |
a17c2153 | 951 | struct rpc_auth *auth = req->rq_cred->cr_auth; |
0c4e8c18 BH |
952 | |
953 | /* initialize running count of expected bytes in reply. | |
954 | * NOTE: the replied tag SHOULD be the same is the one sent, | |
955 | * but this is not required as a MUST for the server to do so. */ | |
956 | hdr->replen = RPC_REPHDRSIZE + auth->au_rslack + 3 + hdr->taglen; | |
1da177e4 | 957 | |
7fc38846 | 958 | WARN_ON_ONCE(hdr->taglen > NFS4_MAXTAGLEN); |
6fdfb0bc TM |
959 | encode_string(xdr, hdr->taglen, hdr->tag); |
960 | p = reserve_space(xdr, 8); | |
e75bc1c8 | 961 | *p++ = cpu_to_be32(hdr->minorversion); |
d017931c | 962 | hdr->nops_p = p; |
34558513 | 963 | *p = cpu_to_be32(hdr->nops); |
d017931c AA |
964 | } |
965 | ||
ab19b481 TM |
966 | static void encode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 op, |
967 | uint32_t replen, | |
968 | struct compound_hdr *hdr) | |
969 | { | |
970 | encode_uint32(xdr, op); | |
971 | hdr->nops++; | |
972 | hdr->replen += replen; | |
973 | } | |
974 | ||
d017931c AA |
975 | static void encode_nops(struct compound_hdr *hdr) |
976 | { | |
7fc38846 | 977 | WARN_ON_ONCE(hdr->nops > NFS4_MAX_OPS); |
d017931c | 978 | *hdr->nops_p = htonl(hdr->nops); |
1da177e4 LT |
979 | } |
980 | ||
ea9d23f5 TM |
981 | static void encode_nfs4_stateid(struct xdr_stream *xdr, const nfs4_stateid *stateid) |
982 | { | |
2d2f24ad | 983 | encode_opaque_fixed(xdr, stateid, NFS4_STATEID_SIZE); |
ea9d23f5 TM |
984 | } |
985 | ||
1da177e4 LT |
986 | static void encode_nfs4_verifier(struct xdr_stream *xdr, const nfs4_verifier *verf) |
987 | { | |
cb17e556 | 988 | encode_opaque_fixed(xdr, verf->data, NFS4_VERIFIER_SIZE); |
1da177e4 LT |
989 | } |
990 | ||
aa9c2669 DQ |
991 | static void encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, |
992 | const struct nfs4_label *label, | |
993 | const struct nfs_server *server) | |
1da177e4 LT |
994 | { |
995 | char owner_name[IDMAP_NAMESZ]; | |
996 | char owner_group[IDMAP_NAMESZ]; | |
997 | int owner_namelen = 0; | |
998 | int owner_grouplen = 0; | |
8687b63a AV |
999 | __be32 *p; |
1000 | __be32 *q; | |
1da177e4 | 1001 | int len; |
b4a2cf76 | 1002 | uint32_t bmval_len = 2; |
1da177e4 LT |
1003 | uint32_t bmval0 = 0; |
1004 | uint32_t bmval1 = 0; | |
a09df2ca | 1005 | uint32_t bmval2 = 0; |
1da177e4 LT |
1006 | |
1007 | /* | |
1008 | * We reserve enough space to write the entire attribute buffer at once. | |
1009 | * In the worst-case, this would be | |
a09df2ca DQ |
1010 | * 16(bitmap) + 4(attrlen) + 8(size) + 4(mode) + 4(atime) + 4(mtime) |
1011 | * = 40 bytes, plus any contribution from variable-length fields | |
23ec6965 | 1012 | * such as owner/group. |
1da177e4 | 1013 | */ |
b4a2cf76 | 1014 | len = 8; |
1da177e4 LT |
1015 | |
1016 | /* Sigh */ | |
1017 | if (iap->ia_valid & ATTR_SIZE) | |
1018 | len += 8; | |
1019 | if (iap->ia_valid & ATTR_MODE) | |
1020 | len += 4; | |
1021 | if (iap->ia_valid & ATTR_UID) { | |
e4fd72a1 | 1022 | owner_namelen = nfs_map_uid_to_name(server, iap->ia_uid, owner_name, IDMAP_NAMESZ); |
1da177e4 | 1023 | if (owner_namelen < 0) { |
fe82a183 | 1024 | dprintk("nfs: couldn't resolve uid %d to string\n", |
e5782076 | 1025 | from_kuid(&init_user_ns, iap->ia_uid)); |
1da177e4 LT |
1026 | /* XXX */ |
1027 | strcpy(owner_name, "nobody"); | |
1028 | owner_namelen = sizeof("nobody") - 1; | |
1029 | /* goto out; */ | |
1030 | } | |
1031 | len += 4 + (XDR_QUADLEN(owner_namelen) << 2); | |
1032 | } | |
1033 | if (iap->ia_valid & ATTR_GID) { | |
e4fd72a1 | 1034 | owner_grouplen = nfs_map_gid_to_group(server, iap->ia_gid, owner_group, IDMAP_NAMESZ); |
1da177e4 | 1035 | if (owner_grouplen < 0) { |
fe82a183 | 1036 | dprintk("nfs: couldn't resolve gid %d to string\n", |
e5782076 | 1037 | from_kgid(&init_user_ns, iap->ia_gid)); |
1da177e4 LT |
1038 | strcpy(owner_group, "nobody"); |
1039 | owner_grouplen = sizeof("nobody") - 1; | |
1040 | /* goto out; */ | |
1041 | } | |
1042 | len += 4 + (XDR_QUADLEN(owner_grouplen) << 2); | |
1043 | } | |
1044 | if (iap->ia_valid & ATTR_ATIME_SET) | |
1045 | len += 16; | |
1046 | else if (iap->ia_valid & ATTR_ATIME) | |
1047 | len += 4; | |
1048 | if (iap->ia_valid & ATTR_MTIME_SET) | |
1049 | len += 16; | |
1050 | else if (iap->ia_valid & ATTR_MTIME) | |
1051 | len += 4; | |
b4a2cf76 TM |
1052 | if (label) { |
1053 | len += 4 + 4 + 4 + (XDR_QUADLEN(label->len) << 2); | |
1054 | bmval_len = 3; | |
1055 | } | |
1056 | ||
1057 | len += bmval_len << 2; | |
13c65ce9 | 1058 | p = reserve_space(xdr, len); |
1da177e4 LT |
1059 | |
1060 | /* | |
1061 | * We write the bitmap length now, but leave the bitmap and the attribute | |
1062 | * buffer length to be backfilled at the end of this routine. | |
1063 | */ | |
b4a2cf76 | 1064 | *p++ = cpu_to_be32(bmval_len); |
1da177e4 | 1065 | q = p; |
b4a2cf76 TM |
1066 | /* Skip bitmap entries + attrlen */ |
1067 | p += bmval_len + 1; | |
1da177e4 LT |
1068 | |
1069 | if (iap->ia_valid & ATTR_SIZE) { | |
1070 | bmval0 |= FATTR4_WORD0_SIZE; | |
b95be5a9 | 1071 | p = xdr_encode_hyper(p, iap->ia_size); |
1da177e4 LT |
1072 | } |
1073 | if (iap->ia_valid & ATTR_MODE) { | |
1074 | bmval1 |= FATTR4_WORD1_MODE; | |
e75bc1c8 | 1075 | *p++ = cpu_to_be32(iap->ia_mode & S_IALLUGO); |
1da177e4 LT |
1076 | } |
1077 | if (iap->ia_valid & ATTR_UID) { | |
1078 | bmval1 |= FATTR4_WORD1_OWNER; | |
811652bd | 1079 | p = xdr_encode_opaque(p, owner_name, owner_namelen); |
1da177e4 LT |
1080 | } |
1081 | if (iap->ia_valid & ATTR_GID) { | |
1082 | bmval1 |= FATTR4_WORD1_OWNER_GROUP; | |
811652bd | 1083 | p = xdr_encode_opaque(p, owner_group, owner_grouplen); |
1da177e4 LT |
1084 | } |
1085 | if (iap->ia_valid & ATTR_ATIME_SET) { | |
1086 | bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET; | |
e75bc1c8 | 1087 | *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); |
042ad0b3 | 1088 | p = xdr_encode_hyper(p, (s64)iap->ia_atime.tv_sec); |
d3f6baaa | 1089 | *p++ = cpu_to_be32(iap->ia_atime.tv_nsec); |
1da177e4 LT |
1090 | } |
1091 | else if (iap->ia_valid & ATTR_ATIME) { | |
1092 | bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET; | |
e75bc1c8 | 1093 | *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); |
1da177e4 LT |
1094 | } |
1095 | if (iap->ia_valid & ATTR_MTIME_SET) { | |
1096 | bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET; | |
e75bc1c8 | 1097 | *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); |
042ad0b3 | 1098 | p = xdr_encode_hyper(p, (s64)iap->ia_mtime.tv_sec); |
e75bc1c8 | 1099 | *p++ = cpu_to_be32(iap->ia_mtime.tv_nsec); |
1da177e4 LT |
1100 | } |
1101 | else if (iap->ia_valid & ATTR_MTIME) { | |
1102 | bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET; | |
e75bc1c8 | 1103 | *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); |
1da177e4 | 1104 | } |
aa9c2669 DQ |
1105 | if (label) { |
1106 | bmval2 |= FATTR4_WORD2_SECURITY_LABEL; | |
1107 | *p++ = cpu_to_be32(label->lfs); | |
1108 | *p++ = cpu_to_be32(label->pi); | |
1109 | *p++ = cpu_to_be32(label->len); | |
1110 | p = xdr_encode_opaque_fixed(p, label->label, label->len); | |
1111 | } | |
6c0195a4 | 1112 | |
1da177e4 LT |
1113 | /* |
1114 | * Now we backfill the bitmap and the attribute buffer length. | |
1115 | */ | |
1116 | if (len != ((char *)p - (char *)q) + 4) { | |
f9fd2d9c | 1117 | printk(KERN_ERR "NFS: Attr length error, %u != %Zu\n", |
1da177e4 LT |
1118 | len, ((char *)p - (char *)q) + 4); |
1119 | BUG(); | |
1120 | } | |
1da177e4 LT |
1121 | *q++ = htonl(bmval0); |
1122 | *q++ = htonl(bmval1); | |
b4a2cf76 TM |
1123 | if (bmval_len == 3) |
1124 | *q++ = htonl(bmval2); | |
4f3cc480 | 1125 | len = (char *)p - (char *)(q + 1); |
34558513 | 1126 | *q = htonl(len); |
1da177e4 | 1127 | |
1da177e4 | 1128 | /* out: */ |
1da177e4 LT |
1129 | } |
1130 | ||
cf8cdbe5 | 1131 | static void encode_access(struct xdr_stream *xdr, u32 access, struct compound_hdr *hdr) |
1da177e4 | 1132 | { |
475d4ba0 TM |
1133 | encode_op_hdr(xdr, OP_ACCESS, decode_access_maxsz, hdr); |
1134 | encode_uint32(xdr, access); | |
1da177e4 LT |
1135 | } |
1136 | ||
cf8cdbe5 | 1137 | static void encode_close(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1138 | { |
ab19b481 | 1139 | encode_op_hdr(xdr, OP_CLOSE, decode_close_maxsz, hdr); |
4ade9821 | 1140 | encode_nfs4_seqid(xdr, arg->seqid); |
ea9d23f5 | 1141 | encode_nfs4_stateid(xdr, arg->stateid); |
1da177e4 LT |
1142 | } |
1143 | ||
0b7c0153 | 1144 | static void encode_commit(struct xdr_stream *xdr, const struct nfs_commitargs *args, struct compound_hdr *hdr) |
1da177e4 | 1145 | { |
8687b63a | 1146 | __be32 *p; |
6c0195a4 | 1147 | |
475d4ba0 TM |
1148 | encode_op_hdr(xdr, OP_COMMIT, decode_commit_maxsz, hdr); |
1149 | p = reserve_space(xdr, 12); | |
b95be5a9 | 1150 | p = xdr_encode_hyper(p, args->offset); |
34558513 | 1151 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1152 | } |
1153 | ||
cf8cdbe5 | 1154 | static void encode_create(struct xdr_stream *xdr, const struct nfs4_create_arg *create, struct compound_hdr *hdr) |
1da177e4 | 1155 | { |
8687b63a | 1156 | __be32 *p; |
6c0195a4 | 1157 | |
475d4ba0 TM |
1158 | encode_op_hdr(xdr, OP_CREATE, decode_create_maxsz, hdr); |
1159 | encode_uint32(xdr, create->ftype); | |
1da177e4 LT |
1160 | |
1161 | switch (create->ftype) { | |
1162 | case NF4LNK: | |
13c65ce9 | 1163 | p = reserve_space(xdr, 4); |
34558513 | 1164 | *p = cpu_to_be32(create->u.symlink.len); |
94a6d753 | 1165 | xdr_write_pages(xdr, create->u.symlink.pages, 0, create->u.symlink.len); |
1da177e4 LT |
1166 | break; |
1167 | ||
1168 | case NF4BLK: case NF4CHR: | |
13c65ce9 | 1169 | p = reserve_space(xdr, 8); |
e75bc1c8 | 1170 | *p++ = cpu_to_be32(create->u.device.specdata1); |
34558513 | 1171 | *p = cpu_to_be32(create->u.device.specdata2); |
1da177e4 LT |
1172 | break; |
1173 | ||
1174 | default: | |
1175 | break; | |
1176 | } | |
1177 | ||
811652bd | 1178 | encode_string(xdr, create->name->len, create->name->name); |
aa9c2669 | 1179 | encode_attrs(xdr, create->attrs, create->label, create->server); |
1da177e4 LT |
1180 | } |
1181 | ||
cf8cdbe5 | 1182 | static void encode_getattr_one(struct xdr_stream *xdr, uint32_t bitmap, struct compound_hdr *hdr) |
1da177e4 | 1183 | { |
05d564fe | 1184 | __be32 *p; |
1da177e4 | 1185 | |
475d4ba0 TM |
1186 | encode_op_hdr(xdr, OP_GETATTR, decode_getattr_maxsz, hdr); |
1187 | p = reserve_space(xdr, 8); | |
e75bc1c8 | 1188 | *p++ = cpu_to_be32(1); |
34558513 | 1189 | *p = cpu_to_be32(bitmap); |
1da177e4 LT |
1190 | } |
1191 | ||
cf8cdbe5 | 1192 | static void encode_getattr_two(struct xdr_stream *xdr, uint32_t bm0, uint32_t bm1, struct compound_hdr *hdr) |
1da177e4 | 1193 | { |
05d564fe | 1194 | __be32 *p; |
1da177e4 | 1195 | |
475d4ba0 TM |
1196 | encode_op_hdr(xdr, OP_GETATTR, decode_getattr_maxsz, hdr); |
1197 | p = reserve_space(xdr, 12); | |
e75bc1c8 BH |
1198 | *p++ = cpu_to_be32(2); |
1199 | *p++ = cpu_to_be32(bm0); | |
34558513 | 1200 | *p = cpu_to_be32(bm1); |
1da177e4 LT |
1201 | } |
1202 | ||
dae100c2 FI |
1203 | static void |
1204 | encode_getattr_three(struct xdr_stream *xdr, | |
1205 | uint32_t bm0, uint32_t bm1, uint32_t bm2, | |
1206 | struct compound_hdr *hdr) | |
1207 | { | |
1208 | __be32 *p; | |
1209 | ||
ab19b481 | 1210 | encode_op_hdr(xdr, OP_GETATTR, decode_getattr_maxsz, hdr); |
dae100c2 FI |
1211 | if (bm2) { |
1212 | p = reserve_space(xdr, 16); | |
1213 | *p++ = cpu_to_be32(3); | |
1214 | *p++ = cpu_to_be32(bm0); | |
1215 | *p++ = cpu_to_be32(bm1); | |
1216 | *p = cpu_to_be32(bm2); | |
1217 | } else if (bm1) { | |
1218 | p = reserve_space(xdr, 12); | |
1219 | *p++ = cpu_to_be32(2); | |
1220 | *p++ = cpu_to_be32(bm0); | |
1221 | *p = cpu_to_be32(bm1); | |
1222 | } else { | |
1223 | p = reserve_space(xdr, 8); | |
1224 | *p++ = cpu_to_be32(1); | |
1225 | *p = cpu_to_be32(bm0); | |
1226 | } | |
dae100c2 FI |
1227 | } |
1228 | ||
cf8cdbe5 | 1229 | static void encode_getfattr(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
1da177e4 | 1230 | { |
a09df2ca DQ |
1231 | encode_getattr_three(xdr, bitmask[0] & nfs4_fattr_bitmap[0], |
1232 | bitmask[1] & nfs4_fattr_bitmap[1], | |
1233 | bitmask[2] & nfs4_fattr_bitmap[2], | |
1234 | hdr); | |
1da177e4 LT |
1235 | } |
1236 | ||
88034c3d | 1237 | static void encode_getfattr_open(struct xdr_stream *xdr, const u32 *bitmask, |
1549210f | 1238 | const u32 *open_bitmap, |
88034c3d AA |
1239 | struct compound_hdr *hdr) |
1240 | { | |
1241 | encode_getattr_three(xdr, | |
1549210f TM |
1242 | bitmask[0] & open_bitmap[0], |
1243 | bitmask[1] & open_bitmap[1], | |
1244 | bitmask[2] & open_bitmap[2], | |
88034c3d AA |
1245 | hdr); |
1246 | } | |
1247 | ||
cf8cdbe5 | 1248 | static void encode_fsinfo(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
1da177e4 | 1249 | { |
dae100c2 FI |
1250 | encode_getattr_three(xdr, |
1251 | bitmask[0] & nfs4_fsinfo_bitmap[0], | |
1252 | bitmask[1] & nfs4_fsinfo_bitmap[1], | |
1253 | bitmask[2] & nfs4_fsinfo_bitmap[2], | |
1254 | hdr); | |
1da177e4 LT |
1255 | } |
1256 | ||
cf8cdbe5 | 1257 | static void encode_fs_locations(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
830b8e33 | 1258 | { |
cf8cdbe5 AA |
1259 | encode_getattr_two(xdr, bitmask[0] & nfs4_fs_locations_bitmap[0], |
1260 | bitmask[1] & nfs4_fs_locations_bitmap[1], hdr); | |
830b8e33 MN |
1261 | } |
1262 | ||
cf8cdbe5 | 1263 | static void encode_getfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1264 | { |
ab19b481 | 1265 | encode_op_hdr(xdr, OP_GETFH, decode_getfh_maxsz, hdr); |
1da177e4 LT |
1266 | } |
1267 | ||
cf8cdbe5 | 1268 | static void encode_link(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1269 | { |
ab19b481 | 1270 | encode_op_hdr(xdr, OP_LINK, decode_link_maxsz, hdr); |
6fdfb0bc | 1271 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1272 | } |
1273 | ||
911d1aaf TM |
1274 | static inline int nfs4_lock_type(struct file_lock *fl, int block) |
1275 | { | |
f44106e2 | 1276 | if (fl->fl_type == F_RDLCK) |
911d1aaf TM |
1277 | return block ? NFS4_READW_LT : NFS4_READ_LT; |
1278 | return block ? NFS4_WRITEW_LT : NFS4_WRITE_LT; | |
1279 | } | |
1280 | ||
1281 | static inline uint64_t nfs4_lock_length(struct file_lock *fl) | |
1282 | { | |
1283 | if (fl->fl_end == OFFSET_MAX) | |
1284 | return ~(uint64_t)0; | |
1285 | return fl->fl_end - fl->fl_start + 1; | |
1286 | } | |
1287 | ||
daccbded TM |
1288 | static void encode_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner) |
1289 | { | |
1290 | __be32 *p; | |
1291 | ||
d035c36c | 1292 | p = reserve_space(xdr, 32); |
daccbded | 1293 | p = xdr_encode_hyper(p, lowner->clientid); |
d035c36c | 1294 | *p++ = cpu_to_be32(20); |
daccbded | 1295 | p = xdr_encode_opaque_fixed(p, "lock id:", 8); |
d035c36c | 1296 | *p++ = cpu_to_be32(lowner->s_dev); |
daccbded TM |
1297 | xdr_encode_hyper(p, lowner->id); |
1298 | } | |
1299 | ||
1da177e4 LT |
1300 | /* |
1301 | * opcode,type,reclaim,offset,length,new_lock_owner = 32 | |
1302 | * open_seqid,open_stateid,lock_seqid,lock_owner.clientid, lock_owner.id = 40 | |
1303 | */ | |
cf8cdbe5 | 1304 | static void encode_lock(struct xdr_stream *xdr, const struct nfs_lock_args *args, struct compound_hdr *hdr) |
1da177e4 | 1305 | { |
8687b63a | 1306 | __be32 *p; |
1da177e4 | 1307 | |
475d4ba0 TM |
1308 | encode_op_hdr(xdr, OP_LOCK, decode_lock_maxsz, hdr); |
1309 | p = reserve_space(xdr, 28); | |
e75bc1c8 BH |
1310 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, args->block)); |
1311 | *p++ = cpu_to_be32(args->reclaim); | |
b95be5a9 BH |
1312 | p = xdr_encode_hyper(p, args->fl->fl_start); |
1313 | p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); | |
34558513 | 1314 | *p = cpu_to_be32(args->new_lock_owner); |
911d1aaf | 1315 | if (args->new_lock_owner){ |
4ade9821 | 1316 | encode_nfs4_seqid(xdr, args->open_seqid); |
ea9d23f5 | 1317 | encode_nfs4_stateid(xdr, args->open_stateid); |
4ade9821 | 1318 | encode_nfs4_seqid(xdr, args->lock_seqid); |
daccbded | 1319 | encode_lockowner(xdr, &args->lock_owner); |
1da177e4 LT |
1320 | } |
1321 | else { | |
ea9d23f5 | 1322 | encode_nfs4_stateid(xdr, args->lock_stateid); |
4ade9821 | 1323 | encode_nfs4_seqid(xdr, args->lock_seqid); |
1da177e4 | 1324 | } |
1da177e4 LT |
1325 | } |
1326 | ||
cf8cdbe5 | 1327 | static void encode_lockt(struct xdr_stream *xdr, const struct nfs_lockt_args *args, struct compound_hdr *hdr) |
1da177e4 | 1328 | { |
8687b63a | 1329 | __be32 *p; |
1da177e4 | 1330 | |
475d4ba0 TM |
1331 | encode_op_hdr(xdr, OP_LOCKT, decode_lockt_maxsz, hdr); |
1332 | p = reserve_space(xdr, 20); | |
e75bc1c8 | 1333 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, 0)); |
b95be5a9 BH |
1334 | p = xdr_encode_hyper(p, args->fl->fl_start); |
1335 | p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); | |
daccbded | 1336 | encode_lockowner(xdr, &args->lock_owner); |
1da177e4 LT |
1337 | } |
1338 | ||
cf8cdbe5 | 1339 | static void encode_locku(struct xdr_stream *xdr, const struct nfs_locku_args *args, struct compound_hdr *hdr) |
1da177e4 | 1340 | { |
8687b63a | 1341 | __be32 *p; |
1da177e4 | 1342 | |
475d4ba0 TM |
1343 | encode_op_hdr(xdr, OP_LOCKU, decode_locku_maxsz, hdr); |
1344 | encode_uint32(xdr, nfs4_lock_type(args->fl, 0)); | |
4ade9821 | 1345 | encode_nfs4_seqid(xdr, args->seqid); |
ea9d23f5 TM |
1346 | encode_nfs4_stateid(xdr, args->stateid); |
1347 | p = reserve_space(xdr, 16); | |
b95be5a9 | 1348 | p = xdr_encode_hyper(p, args->fl->fl_start); |
34558513 | 1349 | xdr_encode_hyper(p, nfs4_lock_length(args->fl)); |
1da177e4 LT |
1350 | } |
1351 | ||
d3c7b7cc TM |
1352 | static void encode_release_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner, struct compound_hdr *hdr) |
1353 | { | |
ab19b481 | 1354 | encode_op_hdr(xdr, OP_RELEASE_LOCKOWNER, decode_release_lockowner_maxsz, hdr); |
d3c7b7cc | 1355 | encode_lockowner(xdr, lowner); |
d3c7b7cc TM |
1356 | } |
1357 | ||
cf8cdbe5 | 1358 | static void encode_lookup(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1359 | { |
ab19b481 | 1360 | encode_op_hdr(xdr, OP_LOOKUP, decode_lookup_maxsz, hdr); |
6fdfb0bc | 1361 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1362 | } |
1363 | ||
dc0b027d | 1364 | static void encode_share_access(struct xdr_stream *xdr, fmode_t fmode) |
1da177e4 | 1365 | { |
8687b63a | 1366 | __be32 *p; |
1da177e4 | 1367 | |
13c65ce9 | 1368 | p = reserve_space(xdr, 8); |
dc0b027d | 1369 | switch (fmode & (FMODE_READ|FMODE_WRITE)) { |
05d564fe | 1370 | case FMODE_READ: |
e75bc1c8 | 1371 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_READ); |
05d564fe AA |
1372 | break; |
1373 | case FMODE_WRITE: | |
e75bc1c8 | 1374 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_WRITE); |
05d564fe AA |
1375 | break; |
1376 | case FMODE_READ|FMODE_WRITE: | |
e75bc1c8 | 1377 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_BOTH); |
05d564fe AA |
1378 | break; |
1379 | default: | |
e75bc1c8 | 1380 | *p++ = cpu_to_be32(0); |
1da177e4 | 1381 | } |
34558513 | 1382 | *p = cpu_to_be32(0); /* for linux, share_deny = 0 always */ |
1da177e4 LT |
1383 | } |
1384 | ||
1385 | static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1386 | { | |
8687b63a | 1387 | __be32 *p; |
1da177e4 LT |
1388 | /* |
1389 | * opcode 4, seqid 4, share_access 4, share_deny 4, clientid 8, ownerlen 4, | |
1390 | * owner 4 = 32 | |
1391 | */ | |
4ade9821 | 1392 | encode_nfs4_seqid(xdr, arg->seqid); |
dc0b027d | 1393 | encode_share_access(xdr, arg->fmode); |
95b72eb0 | 1394 | p = reserve_space(xdr, 36); |
b95be5a9 | 1395 | p = xdr_encode_hyper(p, arg->clientid); |
95b72eb0 | 1396 | *p++ = cpu_to_be32(24); |
93f0cf25 | 1397 | p = xdr_encode_opaque_fixed(p, "open id:", 8); |
d035c36c | 1398 | *p++ = cpu_to_be32(arg->server->s_dev); |
95b72eb0 TM |
1399 | *p++ = cpu_to_be32(arg->id.uniquifier); |
1400 | xdr_encode_hyper(p, arg->id.create_time); | |
1da177e4 LT |
1401 | } |
1402 | ||
1403 | static inline void encode_createmode(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1404 | { | |
549b19cc | 1405 | struct iattr dummy; |
8687b63a | 1406 | __be32 *p; |
1da177e4 | 1407 | |
13c65ce9 | 1408 | p = reserve_space(xdr, 4); |
549b19cc TM |
1409 | switch(arg->createmode) { |
1410 | case NFS4_CREATE_UNCHECKED: | |
34558513 | 1411 | *p = cpu_to_be32(NFS4_CREATE_UNCHECKED); |
aa9c2669 | 1412 | encode_attrs(xdr, arg->u.attrs, arg->label, arg->server); |
05d564fe | 1413 | break; |
549b19cc TM |
1414 | case NFS4_CREATE_GUARDED: |
1415 | *p = cpu_to_be32(NFS4_CREATE_GUARDED); | |
aa9c2669 | 1416 | encode_attrs(xdr, arg->u.attrs, arg->label, arg->server); |
549b19cc TM |
1417 | break; |
1418 | case NFS4_CREATE_EXCLUSIVE: | |
1419 | *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE); | |
1420 | encode_nfs4_verifier(xdr, &arg->u.verifier); | |
1421 | break; | |
1422 | case NFS4_CREATE_EXCLUSIVE4_1: | |
1423 | *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE4_1); | |
1424 | encode_nfs4_verifier(xdr, &arg->u.verifier); | |
1425 | dummy.ia_valid = 0; | |
aa9c2669 | 1426 | encode_attrs(xdr, &dummy, arg->label, arg->server); |
1da177e4 LT |
1427 | } |
1428 | } | |
1429 | ||
1430 | static void encode_opentype(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1431 | { | |
8687b63a | 1432 | __be32 *p; |
1da177e4 | 1433 | |
13c65ce9 | 1434 | p = reserve_space(xdr, 4); |
1da177e4 | 1435 | switch (arg->open_flags & O_CREAT) { |
05d564fe | 1436 | case 0: |
34558513 | 1437 | *p = cpu_to_be32(NFS4_OPEN_NOCREATE); |
05d564fe AA |
1438 | break; |
1439 | default: | |
34558513 | 1440 | *p = cpu_to_be32(NFS4_OPEN_CREATE); |
05d564fe | 1441 | encode_createmode(xdr, arg); |
1da177e4 LT |
1442 | } |
1443 | } | |
1444 | ||
bd7bf9d5 | 1445 | static inline void encode_delegation_type(struct xdr_stream *xdr, fmode_t delegation_type) |
1da177e4 | 1446 | { |
8687b63a | 1447 | __be32 *p; |
1da177e4 | 1448 | |
13c65ce9 | 1449 | p = reserve_space(xdr, 4); |
1da177e4 | 1450 | switch (delegation_type) { |
05d564fe | 1451 | case 0: |
34558513 | 1452 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_NONE); |
05d564fe AA |
1453 | break; |
1454 | case FMODE_READ: | |
34558513 | 1455 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_READ); |
05d564fe AA |
1456 | break; |
1457 | case FMODE_WRITE|FMODE_READ: | |
34558513 | 1458 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_WRITE); |
05d564fe AA |
1459 | break; |
1460 | default: | |
1461 | BUG(); | |
1da177e4 LT |
1462 | } |
1463 | } | |
1464 | ||
1465 | static inline void encode_claim_null(struct xdr_stream *xdr, const struct qstr *name) | |
1466 | { | |
8687b63a | 1467 | __be32 *p; |
1da177e4 | 1468 | |
13c65ce9 | 1469 | p = reserve_space(xdr, 4); |
34558513 | 1470 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_NULL); |
1da177e4 LT |
1471 | encode_string(xdr, name->len, name->name); |
1472 | } | |
1473 | ||
bd7bf9d5 | 1474 | static inline void encode_claim_previous(struct xdr_stream *xdr, fmode_t type) |
1da177e4 | 1475 | { |
8687b63a | 1476 | __be32 *p; |
1da177e4 | 1477 | |
13c65ce9 | 1478 | p = reserve_space(xdr, 4); |
34558513 | 1479 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_PREVIOUS); |
1da177e4 LT |
1480 | encode_delegation_type(xdr, type); |
1481 | } | |
1482 | ||
1483 | static inline void encode_claim_delegate_cur(struct xdr_stream *xdr, const struct qstr *name, const nfs4_stateid *stateid) | |
1484 | { | |
8687b63a | 1485 | __be32 *p; |
1da177e4 | 1486 | |
ea9d23f5 TM |
1487 | p = reserve_space(xdr, 4); |
1488 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_DELEGATE_CUR); | |
1489 | encode_nfs4_stateid(xdr, stateid); | |
1da177e4 LT |
1490 | encode_string(xdr, name->len, name->name); |
1491 | } | |
1492 | ||
d9fc6619 TM |
1493 | static inline void encode_claim_fh(struct xdr_stream *xdr) |
1494 | { | |
1495 | __be32 *p; | |
1496 | ||
1497 | p = reserve_space(xdr, 4); | |
1498 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_FH); | |
1499 | } | |
1500 | ||
1501 | static inline void encode_claim_delegate_cur_fh(struct xdr_stream *xdr, const nfs4_stateid *stateid) | |
1502 | { | |
1503 | __be32 *p; | |
1504 | ||
1505 | p = reserve_space(xdr, 4); | |
1506 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_DELEG_CUR_FH); | |
1507 | encode_nfs4_stateid(xdr, stateid); | |
1508 | } | |
1509 | ||
cf8cdbe5 | 1510 | static void encode_open(struct xdr_stream *xdr, const struct nfs_openargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1511 | { |
ab19b481 | 1512 | encode_op_hdr(xdr, OP_OPEN, decode_open_maxsz, hdr); |
1da177e4 LT |
1513 | encode_openhdr(xdr, arg); |
1514 | encode_opentype(xdr, arg); | |
1515 | switch (arg->claim) { | |
05d564fe AA |
1516 | case NFS4_OPEN_CLAIM_NULL: |
1517 | encode_claim_null(xdr, arg->name); | |
1518 | break; | |
1519 | case NFS4_OPEN_CLAIM_PREVIOUS: | |
1520 | encode_claim_previous(xdr, arg->u.delegation_type); | |
1521 | break; | |
1522 | case NFS4_OPEN_CLAIM_DELEGATE_CUR: | |
1523 | encode_claim_delegate_cur(xdr, arg->name, &arg->u.delegation); | |
1524 | break; | |
d9fc6619 TM |
1525 | case NFS4_OPEN_CLAIM_FH: |
1526 | encode_claim_fh(xdr); | |
1527 | break; | |
1528 | case NFS4_OPEN_CLAIM_DELEG_CUR_FH: | |
1529 | encode_claim_delegate_cur_fh(xdr, &arg->u.delegation); | |
1530 | break; | |
05d564fe AA |
1531 | default: |
1532 | BUG(); | |
1da177e4 | 1533 | } |
1da177e4 LT |
1534 | } |
1535 | ||
cf8cdbe5 | 1536 | static void encode_open_confirm(struct xdr_stream *xdr, const struct nfs_open_confirmargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1537 | { |
ab19b481 | 1538 | encode_op_hdr(xdr, OP_OPEN_CONFIRM, decode_open_confirm_maxsz, hdr); |
ea9d23f5 | 1539 | encode_nfs4_stateid(xdr, arg->stateid); |
4ade9821 | 1540 | encode_nfs4_seqid(xdr, arg->seqid); |
1da177e4 LT |
1541 | } |
1542 | ||
cf8cdbe5 | 1543 | static void encode_open_downgrade(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1544 | { |
ab19b481 | 1545 | encode_op_hdr(xdr, OP_OPEN_DOWNGRADE, decode_open_downgrade_maxsz, hdr); |
ea9d23f5 | 1546 | encode_nfs4_stateid(xdr, arg->stateid); |
4ade9821 | 1547 | encode_nfs4_seqid(xdr, arg->seqid); |
dc0b027d | 1548 | encode_share_access(xdr, arg->fmode); |
1da177e4 LT |
1549 | } |
1550 | ||
cf8cdbe5 | 1551 | static void |
d017931c | 1552 | encode_putfh(struct xdr_stream *xdr, const struct nfs_fh *fh, struct compound_hdr *hdr) |
1da177e4 | 1553 | { |
ab19b481 | 1554 | encode_op_hdr(xdr, OP_PUTFH, decode_putfh_maxsz, hdr); |
6fdfb0bc | 1555 | encode_string(xdr, fh->size, fh->data); |
1da177e4 LT |
1556 | } |
1557 | ||
cf8cdbe5 | 1558 | static void encode_putrootfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1559 | { |
ab19b481 | 1560 | encode_op_hdr(xdr, OP_PUTROOTFH, decode_putrootfh_maxsz, hdr); |
1da177e4 LT |
1561 | } |
1562 | ||
cf8cdbe5 | 1563 | static void encode_read(struct xdr_stream *xdr, const struct nfs_readargs *args, struct compound_hdr *hdr) |
1da177e4 | 1564 | { |
8687b63a | 1565 | __be32 *p; |
1da177e4 | 1566 | |
ab19b481 | 1567 | encode_op_hdr(xdr, OP_READ, decode_read_maxsz, hdr); |
9b206149 | 1568 | encode_nfs4_stateid(xdr, &args->stateid); |
1da177e4 | 1569 | |
13c65ce9 | 1570 | p = reserve_space(xdr, 12); |
b95be5a9 | 1571 | p = xdr_encode_hyper(p, args->offset); |
34558513 | 1572 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1573 | } |
1574 | ||
cf8cdbe5 | 1575 | static void encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg *readdir, struct rpc_rqst *req, struct compound_hdr *hdr) |
1da177e4 | 1576 | { |
aa9c2669 | 1577 | uint32_t attrs[3] = { |
28331a46 TM |
1578 | FATTR4_WORD0_RDATTR_ERROR, |
1579 | FATTR4_WORD1_MOUNTED_ON_FILEID, | |
1580 | }; | |
6f7a35bd | 1581 | uint32_t dircount = readdir->count >> 1; |
cd93710e | 1582 | __be32 *p, verf[2]; |
1da177e4 | 1583 | |
82f2e547 BS |
1584 | if (readdir->plus) { |
1585 | attrs[0] |= FATTR4_WORD0_TYPE|FATTR4_WORD0_CHANGE|FATTR4_WORD0_SIZE| | |
28331a46 | 1586 | FATTR4_WORD0_FSID|FATTR4_WORD0_FILEHANDLE|FATTR4_WORD0_FILEID; |
82f2e547 BS |
1587 | attrs[1] |= FATTR4_WORD1_MODE|FATTR4_WORD1_NUMLINKS|FATTR4_WORD1_OWNER| |
1588 | FATTR4_WORD1_OWNER_GROUP|FATTR4_WORD1_RAWDEV| | |
1589 | FATTR4_WORD1_SPACE_USED|FATTR4_WORD1_TIME_ACCESS| | |
1590 | FATTR4_WORD1_TIME_METADATA|FATTR4_WORD1_TIME_MODIFY; | |
6f7a35bd | 1591 | dircount >>= 1; |
82f2e547 | 1592 | } |
28331a46 TM |
1593 | /* Use mounted_on_fileid only if the server supports it */ |
1594 | if (!(readdir->bitmask[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) | |
1595 | attrs[0] |= FATTR4_WORD0_FILEID; | |
82f2e547 | 1596 | |
475d4ba0 | 1597 | encode_op_hdr(xdr, OP_READDIR, decode_readdir_maxsz, hdr); |
ff2eb681 | 1598 | encode_uint64(xdr, readdir->cookie); |
cd93710e | 1599 | encode_nfs4_verifier(xdr, &readdir->verifier); |
aa9c2669 | 1600 | p = reserve_space(xdr, encode_readdir_space); |
6f7a35bd | 1601 | *p++ = cpu_to_be32(dircount); |
e75bc1c8 | 1602 | *p++ = cpu_to_be32(readdir->count); |
aa9c2669 | 1603 | *p++ = cpu_to_be32(encode_readdir_bitmask_sz); |
e75bc1c8 | 1604 | *p++ = cpu_to_be32(attrs[0] & readdir->bitmask[0]); |
aa9c2669 DQ |
1605 | *p = cpu_to_be32(attrs[1] & readdir->bitmask[1]); |
1606 | if (encode_readdir_bitmask_sz > 2) { | |
1607 | if (hdr->minorversion > 1) | |
1608 | attrs[2] |= FATTR4_WORD2_SECURITY_LABEL; | |
1609 | p++, *p++ = cpu_to_be32(attrs[2] & readdir->bitmask[2]); | |
1610 | } | |
cd93710e | 1611 | memcpy(verf, readdir->verifier.data, sizeof(verf)); |
aa9c2669 DQ |
1612 | |
1613 | dprintk("%s: cookie = %llu, verifier = %08x:%08x, bitmap = %08x:%08x:%08x\n", | |
44109241 | 1614 | __func__, |
eadf4598 | 1615 | (unsigned long long)readdir->cookie, |
cd93710e | 1616 | verf[0], verf[1], |
eadf4598 | 1617 | attrs[0] & readdir->bitmask[0], |
aa9c2669 DQ |
1618 | attrs[1] & readdir->bitmask[1], |
1619 | attrs[2] & readdir->bitmask[2]); | |
1da177e4 LT |
1620 | } |
1621 | ||
cf8cdbe5 | 1622 | static void encode_readlink(struct xdr_stream *xdr, const struct nfs4_readlink *readlink, struct rpc_rqst *req, struct compound_hdr *hdr) |
1da177e4 | 1623 | { |
ab19b481 | 1624 | encode_op_hdr(xdr, OP_READLINK, decode_readlink_maxsz, hdr); |
1da177e4 LT |
1625 | } |
1626 | ||
cf8cdbe5 | 1627 | static void encode_remove(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1628 | { |
ab19b481 | 1629 | encode_op_hdr(xdr, OP_REMOVE, decode_remove_maxsz, hdr); |
6fdfb0bc | 1630 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1631 | } |
1632 | ||
cf8cdbe5 | 1633 | static void encode_rename(struct xdr_stream *xdr, const struct qstr *oldname, const struct qstr *newname, struct compound_hdr *hdr) |
1da177e4 | 1634 | { |
ab19b481 | 1635 | encode_op_hdr(xdr, OP_RENAME, decode_rename_maxsz, hdr); |
811652bd BH |
1636 | encode_string(xdr, oldname->len, oldname->name); |
1637 | encode_string(xdr, newname->len, newname->name); | |
1da177e4 LT |
1638 | } |
1639 | ||
bb4dae5e CL |
1640 | static void encode_renew(struct xdr_stream *xdr, clientid4 clid, |
1641 | struct compound_hdr *hdr) | |
1da177e4 | 1642 | { |
475d4ba0 | 1643 | encode_op_hdr(xdr, OP_RENEW, decode_renew_maxsz, hdr); |
ff2eb681 | 1644 | encode_uint64(xdr, clid); |
1da177e4 LT |
1645 | } |
1646 | ||
cf8cdbe5 | 1647 | static void |
d017931c | 1648 | encode_restorefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
56ae19f3 | 1649 | { |
ab19b481 | 1650 | encode_op_hdr(xdr, OP_RESTOREFH, decode_restorefh_maxsz, hdr); |
56ae19f3 TM |
1651 | } |
1652 | ||
9f06c719 | 1653 | static void |
d017931c | 1654 | encode_setacl(struct xdr_stream *xdr, struct nfs_setaclargs *arg, struct compound_hdr *hdr) |
23ec6965 | 1655 | { |
8687b63a | 1656 | __be32 *p; |
23ec6965 | 1657 | |
ab19b481 | 1658 | encode_op_hdr(xdr, OP_SETATTR, decode_setacl_maxsz, hdr); |
ea9d23f5 | 1659 | encode_nfs4_stateid(xdr, &zero_stateid); |
13c65ce9 | 1660 | p = reserve_space(xdr, 2*4); |
e75bc1c8 | 1661 | *p++ = cpu_to_be32(1); |
34558513 | 1662 | *p = cpu_to_be32(FATTR4_WORD0_ACL); |
13c65ce9 | 1663 | p = reserve_space(xdr, 4); |
34558513 | 1664 | *p = cpu_to_be32(arg->acl_len); |
23ec6965 | 1665 | xdr_write_pages(xdr, arg->acl_pages, arg->acl_pgbase, arg->acl_len); |
23ec6965 BF |
1666 | } |
1667 | ||
cf8cdbe5 | 1668 | static void |
d017931c | 1669 | encode_savefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1670 | { |
ab19b481 | 1671 | encode_op_hdr(xdr, OP_SAVEFH, decode_savefh_maxsz, hdr); |
1da177e4 LT |
1672 | } |
1673 | ||
cf8cdbe5 | 1674 | static void encode_setattr(struct xdr_stream *xdr, const struct nfs_setattrargs *arg, const struct nfs_server *server, struct compound_hdr *hdr) |
1da177e4 | 1675 | { |
ab19b481 | 1676 | encode_op_hdr(xdr, OP_SETATTR, decode_setattr_maxsz, hdr); |
ea9d23f5 | 1677 | encode_nfs4_stateid(xdr, &arg->stateid); |
aa9c2669 | 1678 | encode_attrs(xdr, arg->iap, arg->label, server); |
1da177e4 LT |
1679 | } |
1680 | ||
cf8cdbe5 | 1681 | static void encode_setclientid(struct xdr_stream *xdr, const struct nfs4_setclientid *setclientid, struct compound_hdr *hdr) |
1da177e4 | 1682 | { |
8687b63a | 1683 | __be32 *p; |
1da177e4 | 1684 | |
70019514 | 1685 | encode_op_hdr(xdr, OP_SETCLIENTID, decode_setclientid_maxsz, hdr); |
cd93710e | 1686 | encode_nfs4_verifier(xdr, setclientid->sc_verifier); |
1da177e4 LT |
1687 | |
1688 | encode_string(xdr, setclientid->sc_name_len, setclientid->sc_name); | |
13c65ce9 | 1689 | p = reserve_space(xdr, 4); |
34558513 | 1690 | *p = cpu_to_be32(setclientid->sc_prog); |
1da177e4 LT |
1691 | encode_string(xdr, setclientid->sc_netid_len, setclientid->sc_netid); |
1692 | encode_string(xdr, setclientid->sc_uaddr_len, setclientid->sc_uaddr); | |
13c65ce9 | 1693 | p = reserve_space(xdr, 4); |
34558513 | 1694 | *p = cpu_to_be32(setclientid->sc_cb_ident); |
1da177e4 LT |
1695 | } |
1696 | ||
bb8b27e5 | 1697 | static void encode_setclientid_confirm(struct xdr_stream *xdr, const struct nfs4_setclientid_res *arg, struct compound_hdr *hdr) |
1da177e4 | 1698 | { |
475d4ba0 TM |
1699 | encode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM, |
1700 | decode_setclientid_confirm_maxsz, hdr); | |
ff2eb681 | 1701 | encode_uint64(xdr, arg->clientid); |
cd93710e | 1702 | encode_nfs4_verifier(xdr, &arg->confirm); |
1da177e4 LT |
1703 | } |
1704 | ||
cf8cdbe5 | 1705 | static void encode_write(struct xdr_stream *xdr, const struct nfs_writeargs *args, struct compound_hdr *hdr) |
1da177e4 | 1706 | { |
8687b63a | 1707 | __be32 *p; |
1da177e4 | 1708 | |
ab19b481 | 1709 | encode_op_hdr(xdr, OP_WRITE, decode_write_maxsz, hdr); |
9b206149 | 1710 | encode_nfs4_stateid(xdr, &args->stateid); |
1da177e4 | 1711 | |
13c65ce9 | 1712 | p = reserve_space(xdr, 16); |
b95be5a9 | 1713 | p = xdr_encode_hyper(p, args->offset); |
e75bc1c8 | 1714 | *p++ = cpu_to_be32(args->stable); |
34558513 | 1715 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1716 | |
1717 | xdr_write_pages(xdr, args->pages, args->pgbase, args->count); | |
1da177e4 LT |
1718 | } |
1719 | ||
cf8cdbe5 | 1720 | static void encode_delegreturn(struct xdr_stream *xdr, const nfs4_stateid *stateid, struct compound_hdr *hdr) |
1da177e4 | 1721 | { |
ab19b481 | 1722 | encode_op_hdr(xdr, OP_DELEGRETURN, decode_delegreturn_maxsz, hdr); |
ea9d23f5 | 1723 | encode_nfs4_stateid(xdr, stateid); |
1da177e4 | 1724 | } |
9b7b9fcc | 1725 | |
5a5ea0d4 BS |
1726 | static void encode_secinfo(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1727 | { | |
ab19b481 | 1728 | encode_op_hdr(xdr, OP_SECINFO, decode_secinfo_maxsz, hdr); |
6fdfb0bc | 1729 | encode_string(xdr, name->len, name->name); |
5a5ea0d4 BS |
1730 | } |
1731 | ||
99fe60d0 | 1732 | #if defined(CONFIG_NFS_V4_1) |
9b7b9fcc | 1733 | /* NFSv4.1 operations */ |
7c44f1ae WAA |
1734 | static void encode_bind_conn_to_session(struct xdr_stream *xdr, |
1735 | struct nfs4_session *session, | |
1736 | struct compound_hdr *hdr) | |
1737 | { | |
1738 | __be32 *p; | |
1739 | ||
1740 | encode_op_hdr(xdr, OP_BIND_CONN_TO_SESSION, | |
1741 | decode_bind_conn_to_session_maxsz, hdr); | |
1742 | encode_opaque_fixed(xdr, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); | |
1743 | p = xdr_reserve_space(xdr, 8); | |
1744 | *p++ = cpu_to_be32(NFS4_CDFC4_BACK_OR_BOTH); | |
1745 | *p = 0; /* use_conn_in_rdma_mode = False */ | |
1746 | } | |
1747 | ||
99fe60d0 BH |
1748 | static void encode_exchange_id(struct xdr_stream *xdr, |
1749 | struct nfs41_exchange_id_args *args, | |
1750 | struct compound_hdr *hdr) | |
1751 | { | |
1752 | __be32 *p; | |
d751f748 | 1753 | char impl_name[IMPL_NAME_LIMIT]; |
db8ac8ba | 1754 | int len = 0; |
99fe60d0 | 1755 | |
70019514 | 1756 | encode_op_hdr(xdr, OP_EXCHANGE_ID, decode_exchange_id_maxsz, hdr); |
cd93710e | 1757 | encode_nfs4_verifier(xdr, args->verifier); |
99fe60d0 BH |
1758 | |
1759 | encode_string(xdr, args->id_len, args->id); | |
1760 | ||
13c65ce9 | 1761 | p = reserve_space(xdr, 12); |
e75bc1c8 BH |
1762 | *p++ = cpu_to_be32(args->flags); |
1763 | *p++ = cpu_to_be32(0); /* zero length state_protect4_a */ | |
db8ac8ba WAA |
1764 | |
1765 | if (send_implementation_id && | |
1766 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) > 1 && | |
1767 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) | |
d751f748 | 1768 | <= sizeof(impl_name) + 1) |
db8ac8ba WAA |
1769 | len = snprintf(impl_name, sizeof(impl_name), "%s %s %s %s", |
1770 | utsname()->sysname, utsname()->release, | |
1771 | utsname()->version, utsname()->machine); | |
1772 | ||
1773 | if (len > 0) { | |
1774 | *p = cpu_to_be32(1); /* implementation id array length=1 */ | |
1775 | ||
1776 | encode_string(xdr, | |
1777 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) - 1, | |
1778 | CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN); | |
1779 | encode_string(xdr, len, impl_name); | |
1780 | /* just send zeros for nii_date - the date is in nii_name */ | |
1781 | p = reserve_space(xdr, 12); | |
1782 | p = xdr_encode_hyper(p, 0); | |
1783 | *p = cpu_to_be32(0); | |
1784 | } else | |
1785 | *p = cpu_to_be32(0); /* implementation id array length=0 */ | |
99fe60d0 | 1786 | } |
fc931582 AA |
1787 | |
1788 | static void encode_create_session(struct xdr_stream *xdr, | |
1789 | struct nfs41_create_session_args *args, | |
1790 | struct compound_hdr *hdr) | |
1791 | { | |
1792 | __be32 *p; | |
1793 | char machine_name[NFS4_MAX_MACHINE_NAME_LEN]; | |
1794 | uint32_t len; | |
1795 | struct nfs_client *clp = args->client; | |
f092075d | 1796 | struct nfs_net *nn = net_generic(clp->cl_net, nfs_net_id); |
8e0d46e1 MS |
1797 | u32 max_resp_sz_cached; |
1798 | ||
1799 | /* | |
1800 | * Assumes OPEN is the biggest non-idempotent compound. | |
1801 | * 2 is the verifier. | |
1802 | */ | |
1803 | max_resp_sz_cached = (NFS4_dec_open_sz + RPC_REPHDRSIZE + | |
1804 | RPC_MAX_AUTH_SIZE + 2) * XDR_UNIT; | |
fc931582 | 1805 | |
42edd698 BH |
1806 | len = scnprintf(machine_name, sizeof(machine_name), "%s", |
1807 | clp->cl_ipaddr); | |
fc931582 | 1808 | |
475d4ba0 TM |
1809 | encode_op_hdr(xdr, OP_CREATE_SESSION, decode_create_session_maxsz, hdr); |
1810 | p = reserve_space(xdr, 16 + 2*28 + 20 + len + 12); | |
114f64b5 | 1811 | p = xdr_encode_hyper(p, clp->cl_clientid); |
e75bc1c8 BH |
1812 | *p++ = cpu_to_be32(clp->cl_seqid); /*Sequence id */ |
1813 | *p++ = cpu_to_be32(args->flags); /*flags */ | |
fc931582 | 1814 | |
fc931582 | 1815 | /* Fore Channel */ |
c9c30dd5 | 1816 | *p++ = cpu_to_be32(0); /* header padding size */ |
e75bc1c8 BH |
1817 | *p++ = cpu_to_be32(args->fc_attrs.max_rqst_sz); /* max req size */ |
1818 | *p++ = cpu_to_be32(args->fc_attrs.max_resp_sz); /* max resp size */ | |
8e0d46e1 | 1819 | *p++ = cpu_to_be32(max_resp_sz_cached); /* Max resp sz cached */ |
e75bc1c8 BH |
1820 | *p++ = cpu_to_be32(args->fc_attrs.max_ops); /* max operations */ |
1821 | *p++ = cpu_to_be32(args->fc_attrs.max_reqs); /* max requests */ | |
1822 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ | |
fc931582 AA |
1823 | |
1824 | /* Back Channel */ | |
c9c30dd5 | 1825 | *p++ = cpu_to_be32(0); /* header padding size */ |
e75bc1c8 BH |
1826 | *p++ = cpu_to_be32(args->bc_attrs.max_rqst_sz); /* max req size */ |
1827 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz); /* max resp size */ | |
1828 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz_cached); /* Max resp sz cached */ | |
1829 | *p++ = cpu_to_be32(args->bc_attrs.max_ops); /* max operations */ | |
1830 | *p++ = cpu_to_be32(args->bc_attrs.max_reqs); /* max requests */ | |
1831 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ | |
fc931582 | 1832 | |
e75bc1c8 | 1833 | *p++ = cpu_to_be32(args->cb_program); /* cb_program */ |
e75bc1c8 | 1834 | *p++ = cpu_to_be32(1); |
e75bc1c8 | 1835 | *p++ = cpu_to_be32(RPC_AUTH_UNIX); /* auth_sys */ |
fc931582 AA |
1836 | |
1837 | /* authsys_parms rfc1831 */ | |
f092075d | 1838 | *p++ = (__be32)nn->boot_time.tv_nsec; /* stamp */ |
811652bd | 1839 | p = xdr_encode_opaque(p, machine_name, len); |
e75bc1c8 BH |
1840 | *p++ = cpu_to_be32(0); /* UID */ |
1841 | *p++ = cpu_to_be32(0); /* GID */ | |
34558513 | 1842 | *p = cpu_to_be32(0); /* No more gids */ |
fc931582 | 1843 | } |
0f3e66c6 AA |
1844 | |
1845 | static void encode_destroy_session(struct xdr_stream *xdr, | |
1846 | struct nfs4_session *session, | |
1847 | struct compound_hdr *hdr) | |
1848 | { | |
475d4ba0 TM |
1849 | encode_op_hdr(xdr, OP_DESTROY_SESSION, decode_destroy_session_maxsz, hdr); |
1850 | encode_opaque_fixed(xdr, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); | |
0f3e66c6 | 1851 | } |
18019753 | 1852 | |
66245539 TM |
1853 | static void encode_destroy_clientid(struct xdr_stream *xdr, |
1854 | uint64_t clientid, | |
1855 | struct compound_hdr *hdr) | |
1856 | { | |
1857 | encode_op_hdr(xdr, OP_DESTROY_CLIENTID, decode_destroy_clientid_maxsz, hdr); | |
1858 | encode_uint64(xdr, clientid); | |
1859 | } | |
1860 | ||
18019753 RL |
1861 | static void encode_reclaim_complete(struct xdr_stream *xdr, |
1862 | struct nfs41_reclaim_complete_args *args, | |
1863 | struct compound_hdr *hdr) | |
1864 | { | |
475d4ba0 TM |
1865 | encode_op_hdr(xdr, OP_RECLAIM_COMPLETE, decode_reclaim_complete_maxsz, hdr); |
1866 | encode_uint32(xdr, args->one_fs); | |
18019753 | 1867 | } |
99fe60d0 BH |
1868 | #endif /* CONFIG_NFS_V4_1 */ |
1869 | ||
9b7b9fcc AA |
1870 | static void encode_sequence(struct xdr_stream *xdr, |
1871 | const struct nfs4_sequence_args *args, | |
1872 | struct compound_hdr *hdr) | |
1873 | { | |
1874 | #if defined(CONFIG_NFS_V4_1) | |
2b2fa717 | 1875 | struct nfs4_session *session; |
fc01cea9 | 1876 | struct nfs4_slot_table *tp; |
2b2fa717 | 1877 | struct nfs4_slot *slot = args->sa_slot; |
fc01cea9 | 1878 | __be32 *p; |
9b7b9fcc | 1879 | |
2b2fa717 | 1880 | if (slot == NULL) |
9b7b9fcc AA |
1881 | return; |
1882 | ||
2b2fa717 TM |
1883 | tp = slot->table; |
1884 | session = tp->session; | |
fc01cea9 | 1885 | |
475d4ba0 | 1886 | encode_op_hdr(xdr, OP_SEQUENCE, decode_sequence_maxsz, hdr); |
fc01cea9 AA |
1887 | |
1888 | /* | |
1889 | * Sessionid + seqid + slotid + max slotid + cache_this | |
1890 | */ | |
1891 | dprintk("%s: sessionid=%u:%u:%u:%u seqid=%d slotid=%d " | |
1892 | "max_slotid=%d cache_this=%d\n", | |
1893 | __func__, | |
1894 | ((u32 *)session->sess_id.data)[0], | |
1895 | ((u32 *)session->sess_id.data)[1], | |
1896 | ((u32 *)session->sess_id.data)[2], | |
1897 | ((u32 *)session->sess_id.data)[3], | |
2b2fa717 | 1898 | slot->seq_nr, slot->slot_nr, |
fc01cea9 | 1899 | tp->highest_used_slotid, args->sa_cache_this); |
475d4ba0 | 1900 | p = reserve_space(xdr, NFS4_MAX_SESSIONID_LEN + 16); |
93f0cf25 | 1901 | p = xdr_encode_opaque_fixed(p, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); |
e75bc1c8 | 1902 | *p++ = cpu_to_be32(slot->seq_nr); |
2b2fa717 | 1903 | *p++ = cpu_to_be32(slot->slot_nr); |
e75bc1c8 | 1904 | *p++ = cpu_to_be32(tp->highest_used_slotid); |
34558513 | 1905 | *p = cpu_to_be32(args->sa_cache_this); |
9b7b9fcc AA |
1906 | #endif /* CONFIG_NFS_V4_1 */ |
1907 | } | |
1908 | ||
b1f69b75 | 1909 | #ifdef CONFIG_NFS_V4_1 |
7f11d8d3 AA |
1910 | static void |
1911 | encode_getdevicelist(struct xdr_stream *xdr, | |
1912 | const struct nfs4_getdevicelist_args *args, | |
1913 | struct compound_hdr *hdr) | |
1914 | { | |
1915 | __be32 *p; | |
1916 | nfs4_verifier dummy = { | |
1917 | .data = "dummmmmy", | |
1918 | }; | |
1919 | ||
475d4ba0 TM |
1920 | encode_op_hdr(xdr, OP_GETDEVICELIST, decode_getdevicelist_maxsz, hdr); |
1921 | p = reserve_space(xdr, 16); | |
7f11d8d3 AA |
1922 | *p++ = cpu_to_be32(args->layoutclass); |
1923 | *p++ = cpu_to_be32(NFS4_PNFS_GETDEVLIST_MAXNUM); | |
1924 | xdr_encode_hyper(p, 0ULL); /* cookie */ | |
1925 | encode_nfs4_verifier(xdr, &dummy); | |
7f11d8d3 AA |
1926 | } |
1927 | ||
b1f69b75 AA |
1928 | static void |
1929 | encode_getdeviceinfo(struct xdr_stream *xdr, | |
1930 | const struct nfs4_getdeviceinfo_args *args, | |
1931 | struct compound_hdr *hdr) | |
1932 | { | |
1933 | __be32 *p; | |
1934 | ||
475d4ba0 TM |
1935 | encode_op_hdr(xdr, OP_GETDEVICEINFO, decode_getdeviceinfo_maxsz, hdr); |
1936 | p = reserve_space(xdr, 12 + NFS4_DEVICEID4_SIZE); | |
b1f69b75 AA |
1937 | p = xdr_encode_opaque_fixed(p, args->pdev->dev_id.data, |
1938 | NFS4_DEVICEID4_SIZE); | |
1939 | *p++ = cpu_to_be32(args->pdev->layout_type); | |
f1c097be | 1940 | *p++ = cpu_to_be32(args->pdev->maxcount); /* gdia_maxcount */ |
b1f69b75 | 1941 | *p++ = cpu_to_be32(0); /* bitmap length 0 */ |
b1f69b75 AA |
1942 | } |
1943 | ||
1944 | static void | |
1945 | encode_layoutget(struct xdr_stream *xdr, | |
1946 | const struct nfs4_layoutget_args *args, | |
1947 | struct compound_hdr *hdr) | |
1948 | { | |
b1f69b75 AA |
1949 | __be32 *p; |
1950 | ||
475d4ba0 TM |
1951 | encode_op_hdr(xdr, OP_LAYOUTGET, decode_layoutget_maxsz, hdr); |
1952 | p = reserve_space(xdr, 36); | |
b1f69b75 AA |
1953 | *p++ = cpu_to_be32(0); /* Signal layout available */ |
1954 | *p++ = cpu_to_be32(args->type); | |
1955 | *p++ = cpu_to_be32(args->range.iomode); | |
1956 | p = xdr_encode_hyper(p, args->range.offset); | |
1957 | p = xdr_encode_hyper(p, args->range.length); | |
1958 | p = xdr_encode_hyper(p, args->minlength); | |
ea9d23f5 | 1959 | encode_nfs4_stateid(xdr, &args->stateid); |
475d4ba0 | 1960 | encode_uint32(xdr, args->maxcount); |
b1f69b75 AA |
1961 | |
1962 | dprintk("%s: 1st type:0x%x iomode:%d off:%lu len:%lu mc:%d\n", | |
1963 | __func__, | |
1964 | args->type, | |
1965 | args->range.iomode, | |
1966 | (unsigned long)args->range.offset, | |
1967 | (unsigned long)args->range.length, | |
1968 | args->maxcount); | |
b1f69b75 | 1969 | } |
863a3c6c AA |
1970 | |
1971 | static int | |
1972 | encode_layoutcommit(struct xdr_stream *xdr, | |
ac7db726 | 1973 | struct inode *inode, |
863a3c6c AA |
1974 | const struct nfs4_layoutcommit_args *args, |
1975 | struct compound_hdr *hdr) | |
1976 | { | |
1977 | __be32 *p; | |
1978 | ||
1979 | dprintk("%s: lbw: %llu type: %d\n", __func__, args->lastbytewritten, | |
1980 | NFS_SERVER(args->inode)->pnfs_curr_ld->id); | |
1981 | ||
475d4ba0 TM |
1982 | encode_op_hdr(xdr, OP_LAYOUTCOMMIT, decode_layoutcommit_maxsz, hdr); |
1983 | p = reserve_space(xdr, 20); | |
863a3c6c AA |
1984 | /* Only whole file layouts */ |
1985 | p = xdr_encode_hyper(p, 0); /* offset */ | |
3557c6c3 | 1986 | p = xdr_encode_hyper(p, args->lastbytewritten + 1); /* length */ |
ea9d23f5 TM |
1987 | *p = cpu_to_be32(0); /* reclaim */ |
1988 | encode_nfs4_stateid(xdr, &args->stateid); | |
1989 | p = reserve_space(xdr, 20); | |
863a3c6c AA |
1990 | *p++ = cpu_to_be32(1); /* newoffset = TRUE */ |
1991 | p = xdr_encode_hyper(p, args->lastbytewritten); | |
1992 | *p++ = cpu_to_be32(0); /* Never send time_modify_changed */ | |
1993 | *p++ = cpu_to_be32(NFS_SERVER(args->inode)->pnfs_curr_ld->id);/* type */ | |
ac7db726 BH |
1994 | |
1995 | if (NFS_SERVER(inode)->pnfs_curr_ld->encode_layoutcommit) | |
1996 | NFS_SERVER(inode)->pnfs_curr_ld->encode_layoutcommit( | |
1997 | NFS_I(inode)->layout, xdr, args); | |
475d4ba0 TM |
1998 | else |
1999 | encode_uint32(xdr, 0); /* no layout-type payload */ | |
863a3c6c | 2000 | |
863a3c6c AA |
2001 | return 0; |
2002 | } | |
cbe82603 BH |
2003 | |
2004 | static void | |
2005 | encode_layoutreturn(struct xdr_stream *xdr, | |
2006 | const struct nfs4_layoutreturn_args *args, | |
2007 | struct compound_hdr *hdr) | |
2008 | { | |
2009 | __be32 *p; | |
2010 | ||
475d4ba0 TM |
2011 | encode_op_hdr(xdr, OP_LAYOUTRETURN, decode_layoutreturn_maxsz, hdr); |
2012 | p = reserve_space(xdr, 16); | |
cbe82603 BH |
2013 | *p++ = cpu_to_be32(0); /* reclaim. always 0 for now */ |
2014 | *p++ = cpu_to_be32(args->layout_type); | |
2015 | *p++ = cpu_to_be32(IOMODE_ANY); | |
2016 | *p = cpu_to_be32(RETURN_FILE); | |
ea9d23f5 | 2017 | p = reserve_space(xdr, 16); |
cbe82603 BH |
2018 | p = xdr_encode_hyper(p, 0); |
2019 | p = xdr_encode_hyper(p, NFS4_MAX_UINT64); | |
2020 | spin_lock(&args->inode->i_lock); | |
ea9d23f5 | 2021 | encode_nfs4_stateid(xdr, &args->stateid); |
cbe82603 | 2022 | spin_unlock(&args->inode->i_lock); |
04a55549 AA |
2023 | if (NFS_SERVER(args->inode)->pnfs_curr_ld->encode_layoutreturn) { |
2024 | NFS_SERVER(args->inode)->pnfs_curr_ld->encode_layoutreturn( | |
2025 | NFS_I(args->inode)->layout, xdr, args); | |
475d4ba0 TM |
2026 | } else |
2027 | encode_uint32(xdr, 0); | |
cbe82603 | 2028 | } |
fca78d6d BS |
2029 | |
2030 | static int | |
2031 | encode_secinfo_no_name(struct xdr_stream *xdr, | |
2032 | const struct nfs41_secinfo_no_name_args *args, | |
2033 | struct compound_hdr *hdr) | |
2034 | { | |
475d4ba0 TM |
2035 | encode_op_hdr(xdr, OP_SECINFO_NO_NAME, decode_secinfo_no_name_maxsz, hdr); |
2036 | encode_uint32(xdr, args->style); | |
fca78d6d BS |
2037 | return 0; |
2038 | } | |
7d974794 BS |
2039 | |
2040 | static void encode_test_stateid(struct xdr_stream *xdr, | |
2041 | struct nfs41_test_stateid_args *args, | |
2042 | struct compound_hdr *hdr) | |
2043 | { | |
475d4ba0 TM |
2044 | encode_op_hdr(xdr, OP_TEST_STATEID, decode_test_stateid_maxsz, hdr); |
2045 | encode_uint32(xdr, 1); | |
ea9d23f5 | 2046 | encode_nfs4_stateid(xdr, args->stateid); |
7d974794 | 2047 | } |
9aeda35f BS |
2048 | |
2049 | static void encode_free_stateid(struct xdr_stream *xdr, | |
2050 | struct nfs41_free_stateid_args *args, | |
2051 | struct compound_hdr *hdr) | |
2052 | { | |
ab19b481 | 2053 | encode_op_hdr(xdr, OP_FREE_STATEID, decode_free_stateid_maxsz, hdr); |
7c1d5fae | 2054 | encode_nfs4_stateid(xdr, &args->stateid); |
9aeda35f | 2055 | } |
b1f69b75 AA |
2056 | #endif /* CONFIG_NFS_V4_1 */ |
2057 | ||
1da177e4 LT |
2058 | /* |
2059 | * END OF "GENERIC" ENCODE ROUTINES. | |
2060 | */ | |
2061 | ||
66cc0429 BH |
2062 | static u32 nfs4_xdr_minorversion(const struct nfs4_sequence_args *args) |
2063 | { | |
2064 | #if defined(CONFIG_NFS_V4_1) | |
2b2fa717 TM |
2065 | |
2066 | if (args->sa_slot) | |
2067 | return args->sa_slot->table->session->clp->cl_mvops->minor_version; | |
66cc0429 BH |
2068 | #endif /* CONFIG_NFS_V4_1 */ |
2069 | return 0; | |
2070 | } | |
2071 | ||
1da177e4 LT |
2072 | /* |
2073 | * Encode an ACCESS request | |
2074 | */ | |
9f06c719 CL |
2075 | static void nfs4_xdr_enc_access(struct rpc_rqst *req, struct xdr_stream *xdr, |
2076 | const struct nfs4_accessargs *args) | |
1da177e4 | 2077 | { |
1da177e4 | 2078 | struct compound_hdr hdr = { |
66cc0429 | 2079 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2080 | }; |
1da177e4 | 2081 | |
9f06c719 CL |
2082 | encode_compound_hdr(xdr, req, &hdr); |
2083 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2084 | encode_putfh(xdr, args->fh, &hdr); | |
2085 | encode_access(xdr, args->access, &hdr); | |
2086 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2087 | encode_nops(&hdr); |
1da177e4 LT |
2088 | } |
2089 | ||
2090 | /* | |
2091 | * Encode LOOKUP request | |
2092 | */ | |
9f06c719 CL |
2093 | static void nfs4_xdr_enc_lookup(struct rpc_rqst *req, struct xdr_stream *xdr, |
2094 | const struct nfs4_lookup_arg *args) | |
1da177e4 | 2095 | { |
1da177e4 | 2096 | struct compound_hdr hdr = { |
66cc0429 | 2097 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2098 | }; |
1da177e4 | 2099 | |
9f06c719 CL |
2100 | encode_compound_hdr(xdr, req, &hdr); |
2101 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2102 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2103 | encode_lookup(xdr, args->name, &hdr); | |
2104 | encode_getfh(xdr, &hdr); | |
2105 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2106 | encode_nops(&hdr); |
1da177e4 LT |
2107 | } |
2108 | ||
2109 | /* | |
2110 | * Encode LOOKUP_ROOT request | |
2111 | */ | |
9f06c719 CL |
2112 | static void nfs4_xdr_enc_lookup_root(struct rpc_rqst *req, |
2113 | struct xdr_stream *xdr, | |
2114 | const struct nfs4_lookup_root_arg *args) | |
1da177e4 | 2115 | { |
1da177e4 | 2116 | struct compound_hdr hdr = { |
66cc0429 | 2117 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2118 | }; |
1da177e4 | 2119 | |
9f06c719 CL |
2120 | encode_compound_hdr(xdr, req, &hdr); |
2121 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2122 | encode_putrootfh(xdr, &hdr); | |
2123 | encode_getfh(xdr, &hdr); | |
2124 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2125 | encode_nops(&hdr); |
1da177e4 LT |
2126 | } |
2127 | ||
2128 | /* | |
2129 | * Encode REMOVE request | |
2130 | */ | |
9f06c719 CL |
2131 | static void nfs4_xdr_enc_remove(struct rpc_rqst *req, struct xdr_stream *xdr, |
2132 | const struct nfs_removeargs *args) | |
1da177e4 | 2133 | { |
1da177e4 | 2134 | struct compound_hdr hdr = { |
66cc0429 | 2135 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2136 | }; |
1da177e4 | 2137 | |
9f06c719 CL |
2138 | encode_compound_hdr(xdr, req, &hdr); |
2139 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2140 | encode_putfh(xdr, args->fh, &hdr); | |
2141 | encode_remove(xdr, &args->name, &hdr); | |
d017931c | 2142 | encode_nops(&hdr); |
1da177e4 LT |
2143 | } |
2144 | ||
2145 | /* | |
2146 | * Encode RENAME request | |
2147 | */ | |
9f06c719 CL |
2148 | static void nfs4_xdr_enc_rename(struct rpc_rqst *req, struct xdr_stream *xdr, |
2149 | const struct nfs_renameargs *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_putfh(xdr, args->old_dir, &hdr); | |
2158 | encode_savefh(xdr, &hdr); | |
2159 | encode_putfh(xdr, args->new_dir, &hdr); | |
2160 | encode_rename(xdr, args->old_name, args->new_name, &hdr); | |
d017931c | 2161 | encode_nops(&hdr); |
1da177e4 LT |
2162 | } |
2163 | ||
2164 | /* | |
2165 | * Encode LINK request | |
2166 | */ | |
9f06c719 CL |
2167 | static void nfs4_xdr_enc_link(struct rpc_rqst *req, struct xdr_stream *xdr, |
2168 | const struct nfs4_link_arg *args) | |
1da177e4 | 2169 | { |
1da177e4 | 2170 | struct compound_hdr hdr = { |
66cc0429 | 2171 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2172 | }; |
1da177e4 | 2173 | |
9f06c719 CL |
2174 | encode_compound_hdr(xdr, req, &hdr); |
2175 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2176 | encode_putfh(xdr, args->fh, &hdr); | |
2177 | encode_savefh(xdr, &hdr); | |
2178 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2179 | encode_link(xdr, args->name, &hdr); | |
9f06c719 CL |
2180 | encode_restorefh(xdr, &hdr); |
2181 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2182 | encode_nops(&hdr); |
1da177e4 LT |
2183 | } |
2184 | ||
2185 | /* | |
2186 | * Encode CREATE request | |
2187 | */ | |
9f06c719 CL |
2188 | static void nfs4_xdr_enc_create(struct rpc_rqst *req, struct xdr_stream *xdr, |
2189 | const struct nfs4_create_arg *args) | |
1da177e4 | 2190 | { |
1da177e4 | 2191 | struct compound_hdr hdr = { |
66cc0429 | 2192 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2193 | }; |
1da177e4 | 2194 | |
9f06c719 CL |
2195 | encode_compound_hdr(xdr, req, &hdr); |
2196 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2197 | encode_putfh(xdr, args->dir_fh, &hdr); | |
9f06c719 CL |
2198 | encode_create(xdr, args, &hdr); |
2199 | encode_getfh(xdr, &hdr); | |
2200 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2201 | encode_nops(&hdr); |
1da177e4 LT |
2202 | } |
2203 | ||
2204 | /* | |
2205 | * Encode SYMLINK request | |
2206 | */ | |
9f06c719 CL |
2207 | static void nfs4_xdr_enc_symlink(struct rpc_rqst *req, struct xdr_stream *xdr, |
2208 | const struct nfs4_create_arg *args) | |
1da177e4 | 2209 | { |
9f06c719 | 2210 | nfs4_xdr_enc_create(req, xdr, args); |
1da177e4 LT |
2211 | } |
2212 | ||
2213 | /* | |
2214 | * Encode GETATTR request | |
2215 | */ | |
9f06c719 CL |
2216 | static void nfs4_xdr_enc_getattr(struct rpc_rqst *req, struct xdr_stream *xdr, |
2217 | const struct nfs4_getattr_arg *args) | |
1da177e4 | 2218 | { |
1da177e4 | 2219 | struct compound_hdr hdr = { |
66cc0429 | 2220 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2221 | }; |
1da177e4 | 2222 | |
9f06c719 CL |
2223 | encode_compound_hdr(xdr, req, &hdr); |
2224 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2225 | encode_putfh(xdr, args->fh, &hdr); | |
2226 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2227 | encode_nops(&hdr); |
1da177e4 LT |
2228 | } |
2229 | ||
2230 | /* | |
2231 | * Encode a CLOSE request | |
2232 | */ | |
9f06c719 CL |
2233 | static void nfs4_xdr_enc_close(struct rpc_rqst *req, struct xdr_stream *xdr, |
2234 | struct nfs_closeargs *args) | |
1da177e4 | 2235 | { |
05d564fe | 2236 | struct compound_hdr hdr = { |
66cc0429 | 2237 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 2238 | }; |
05d564fe | 2239 | |
9f06c719 CL |
2240 | encode_compound_hdr(xdr, req, &hdr); |
2241 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2242 | encode_putfh(xdr, args->fh, &hdr); | |
2243 | encode_close(xdr, args, &hdr); | |
2244 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2245 | encode_nops(&hdr); |
1da177e4 LT |
2246 | } |
2247 | ||
2248 | /* | |
2249 | * Encode an OPEN request | |
2250 | */ | |
9f06c719 CL |
2251 | static void nfs4_xdr_enc_open(struct rpc_rqst *req, struct xdr_stream *xdr, |
2252 | struct nfs_openargs *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); | |
9f06c719 CL |
2261 | encode_open(xdr, args, &hdr); |
2262 | encode_getfh(xdr, &hdr); | |
ae2bb032 WAA |
2263 | if (args->access) |
2264 | encode_access(xdr, args->access, &hdr); | |
1549210f | 2265 | encode_getfattr_open(xdr, args->bitmask, args->open_bitmap, &hdr); |
d017931c | 2266 | encode_nops(&hdr); |
1da177e4 LT |
2267 | } |
2268 | ||
2269 | /* | |
2270 | * Encode an OPEN_CONFIRM request | |
2271 | */ | |
9f06c719 CL |
2272 | static void nfs4_xdr_enc_open_confirm(struct rpc_rqst *req, |
2273 | struct xdr_stream *xdr, | |
2274 | struct nfs_open_confirmargs *args) | |
1da177e4 | 2275 | { |
1da177e4 | 2276 | struct compound_hdr hdr = { |
d017931c | 2277 | .nops = 0, |
1da177e4 | 2278 | }; |
1da177e4 | 2279 | |
9f06c719 CL |
2280 | encode_compound_hdr(xdr, req, &hdr); |
2281 | encode_putfh(xdr, args->fh, &hdr); | |
2282 | encode_open_confirm(xdr, args, &hdr); | |
d017931c | 2283 | encode_nops(&hdr); |
1da177e4 LT |
2284 | } |
2285 | ||
2286 | /* | |
2287 | * Encode an OPEN request with no attributes. | |
2288 | */ | |
9f06c719 CL |
2289 | static void nfs4_xdr_enc_open_noattr(struct rpc_rqst *req, |
2290 | struct xdr_stream *xdr, | |
2291 | struct nfs_openargs *args) | |
1da177e4 | 2292 | { |
1da177e4 | 2293 | struct compound_hdr hdr = { |
66cc0429 | 2294 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2295 | }; |
1da177e4 | 2296 | |
9f06c719 CL |
2297 | encode_compound_hdr(xdr, req, &hdr); |
2298 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2299 | encode_putfh(xdr, args->fh, &hdr); | |
2300 | encode_open(xdr, args, &hdr); | |
ae2bb032 WAA |
2301 | if (args->access) |
2302 | encode_access(xdr, args->access, &hdr); | |
e23008ec | 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_DOWNGRADE request | |
2309 | */ | |
9f06c719 CL |
2310 | static void nfs4_xdr_enc_open_downgrade(struct rpc_rqst *req, |
2311 | struct xdr_stream *xdr, | |
2312 | struct nfs_closeargs *args) | |
1da177e4 | 2313 | { |
1da177e4 | 2314 | struct compound_hdr hdr = { |
66cc0429 | 2315 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2316 | }; |
1da177e4 | 2317 | |
9f06c719 CL |
2318 | encode_compound_hdr(xdr, req, &hdr); |
2319 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2320 | encode_putfh(xdr, args->fh, &hdr); | |
2321 | encode_open_downgrade(xdr, args, &hdr); | |
2322 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2323 | encode_nops(&hdr); |
1da177e4 LT |
2324 | } |
2325 | ||
2326 | /* | |
2327 | * Encode a LOCK request | |
2328 | */ | |
9f06c719 CL |
2329 | static void nfs4_xdr_enc_lock(struct rpc_rqst *req, struct xdr_stream *xdr, |
2330 | struct nfs_lock_args *args) | |
1da177e4 | 2331 | { |
1da177e4 | 2332 | struct compound_hdr hdr = { |
66cc0429 | 2333 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2334 | }; |
1da177e4 | 2335 | |
9f06c719 CL |
2336 | encode_compound_hdr(xdr, req, &hdr); |
2337 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2338 | encode_putfh(xdr, args->fh, &hdr); | |
2339 | encode_lock(xdr, args, &hdr); | |
d017931c | 2340 | encode_nops(&hdr); |
1da177e4 LT |
2341 | } |
2342 | ||
2343 | /* | |
2344 | * Encode a LOCKT request | |
2345 | */ | |
9f06c719 CL |
2346 | static void nfs4_xdr_enc_lockt(struct rpc_rqst *req, struct xdr_stream *xdr, |
2347 | struct nfs_lockt_args *args) | |
1da177e4 | 2348 | { |
1da177e4 | 2349 | struct compound_hdr hdr = { |
66cc0429 | 2350 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2351 | }; |
1da177e4 | 2352 | |
9f06c719 CL |
2353 | encode_compound_hdr(xdr, req, &hdr); |
2354 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2355 | encode_putfh(xdr, args->fh, &hdr); | |
2356 | encode_lockt(xdr, args, &hdr); | |
d017931c | 2357 | encode_nops(&hdr); |
1da177e4 LT |
2358 | } |
2359 | ||
2360 | /* | |
2361 | * Encode a LOCKU request | |
2362 | */ | |
9f06c719 CL |
2363 | static void nfs4_xdr_enc_locku(struct rpc_rqst *req, struct xdr_stream *xdr, |
2364 | struct nfs_locku_args *args) | |
1da177e4 | 2365 | { |
1da177e4 | 2366 | struct compound_hdr hdr = { |
66cc0429 | 2367 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2368 | }; |
1da177e4 | 2369 | |
9f06c719 CL |
2370 | encode_compound_hdr(xdr, req, &hdr); |
2371 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2372 | encode_putfh(xdr, args->fh, &hdr); | |
2373 | encode_locku(xdr, args, &hdr); | |
d017931c | 2374 | encode_nops(&hdr); |
1da177e4 LT |
2375 | } |
2376 | ||
9f06c719 CL |
2377 | static void nfs4_xdr_enc_release_lockowner(struct rpc_rqst *req, |
2378 | struct xdr_stream *xdr, | |
2379 | struct nfs_release_lockowner_args *args) | |
d3c7b7cc | 2380 | { |
d3c7b7cc TM |
2381 | struct compound_hdr hdr = { |
2382 | .minorversion = 0, | |
2383 | }; | |
2384 | ||
9f06c719 CL |
2385 | encode_compound_hdr(xdr, req, &hdr); |
2386 | encode_release_lockowner(xdr, &args->lock_owner, &hdr); | |
d3c7b7cc | 2387 | encode_nops(&hdr); |
d3c7b7cc TM |
2388 | } |
2389 | ||
1da177e4 LT |
2390 | /* |
2391 | * Encode a READLINK request | |
2392 | */ | |
9f06c719 CL |
2393 | static void nfs4_xdr_enc_readlink(struct rpc_rqst *req, struct xdr_stream *xdr, |
2394 | const struct nfs4_readlink *args) | |
1da177e4 | 2395 | { |
1da177e4 | 2396 | struct compound_hdr hdr = { |
66cc0429 | 2397 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2398 | }; |
1da177e4 | 2399 | |
9f06c719 CL |
2400 | encode_compound_hdr(xdr, req, &hdr); |
2401 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2402 | encode_putfh(xdr, args->fh, &hdr); | |
2403 | encode_readlink(xdr, args, req, &hdr); | |
e3a535e1 | 2404 | |
28f56694 | 2405 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, |
e3a535e1 | 2406 | args->pgbase, args->pglen); |
d017931c | 2407 | encode_nops(&hdr); |
1da177e4 LT |
2408 | } |
2409 | ||
2410 | /* | |
2411 | * Encode a READDIR request | |
2412 | */ | |
9f06c719 CL |
2413 | static void nfs4_xdr_enc_readdir(struct rpc_rqst *req, struct xdr_stream *xdr, |
2414 | const struct nfs4_readdir_arg *args) | |
1da177e4 | 2415 | { |
1da177e4 | 2416 | struct compound_hdr hdr = { |
66cc0429 | 2417 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2418 | }; |
1da177e4 | 2419 | |
9f06c719 CL |
2420 | encode_compound_hdr(xdr, req, &hdr); |
2421 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2422 | encode_putfh(xdr, args->fh, &hdr); | |
2423 | encode_readdir(xdr, args, req, &hdr); | |
d6ac02df | 2424 | |
28f56694 | 2425 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, |
d6ac02df TM |
2426 | args->pgbase, args->count); |
2427 | dprintk("%s: inlined page args = (%u, %p, %u, %u)\n", | |
28f56694 | 2428 | __func__, hdr.replen << 2, args->pages, |
d6ac02df | 2429 | args->pgbase, args->count); |
d017931c | 2430 | encode_nops(&hdr); |
1da177e4 LT |
2431 | } |
2432 | ||
2433 | /* | |
2434 | * Encode a READ request | |
2435 | */ | |
9f06c719 CL |
2436 | static void nfs4_xdr_enc_read(struct rpc_rqst *req, struct xdr_stream *xdr, |
2437 | struct nfs_readargs *args) | |
1da177e4 | 2438 | { |
1da177e4 | 2439 | struct compound_hdr hdr = { |
66cc0429 | 2440 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2441 | }; |
1da177e4 | 2442 | |
9f06c719 CL |
2443 | encode_compound_hdr(xdr, req, &hdr); |
2444 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2445 | encode_putfh(xdr, args->fh, &hdr); | |
2446 | encode_read(xdr, args, &hdr); | |
1da177e4 | 2447 | |
28f56694 | 2448 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, |
1da177e4 | 2449 | args->pages, args->pgbase, args->count); |
4f22ccc3 | 2450 | req->rq_rcv_buf.flags |= XDRBUF_READ; |
d017931c | 2451 | encode_nops(&hdr); |
1da177e4 LT |
2452 | } |
2453 | ||
2454 | /* | |
2455 | * Encode an SETATTR request | |
2456 | */ | |
9f06c719 CL |
2457 | static void nfs4_xdr_enc_setattr(struct rpc_rqst *req, struct xdr_stream *xdr, |
2458 | struct nfs_setattrargs *args) | |
1da177e4 | 2459 | { |
05d564fe | 2460 | struct compound_hdr hdr = { |
66cc0429 | 2461 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 2462 | }; |
05d564fe | 2463 | |
9f06c719 CL |
2464 | encode_compound_hdr(xdr, req, &hdr); |
2465 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2466 | encode_putfh(xdr, args->fh, &hdr); | |
2467 | encode_setattr(xdr, args, args->server, &hdr); | |
2468 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2469 | encode_nops(&hdr); |
1da177e4 LT |
2470 | } |
2471 | ||
029d105e BF |
2472 | /* |
2473 | * Encode a GETACL request | |
2474 | */ | |
9f06c719 CL |
2475 | static void nfs4_xdr_enc_getacl(struct rpc_rqst *req, struct xdr_stream *xdr, |
2476 | struct nfs_getaclargs *args) | |
029d105e | 2477 | { |
029d105e | 2478 | struct compound_hdr hdr = { |
66cc0429 | 2479 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
029d105e | 2480 | }; |
28f56694 | 2481 | uint32_t replen; |
029d105e | 2482 | |
9f06c719 CL |
2483 | encode_compound_hdr(xdr, req, &hdr); |
2484 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2485 | encode_putfh(xdr, args->fh, &hdr); | |
bf118a34 | 2486 | replen = hdr.replen + op_decode_hdr_maxsz + 1; |
9f06c719 | 2487 | encode_getattr_two(xdr, FATTR4_WORD0_ACL, 0, &hdr); |
cf8cdbe5 | 2488 | |
28f56694 | 2489 | xdr_inline_pages(&req->rq_rcv_buf, replen << 2, |
029d105e | 2490 | args->acl_pages, args->acl_pgbase, args->acl_len); |
bf118a34 | 2491 | |
d017931c | 2492 | encode_nops(&hdr); |
029d105e BF |
2493 | } |
2494 | ||
1da177e4 LT |
2495 | /* |
2496 | * Encode a WRITE request | |
2497 | */ | |
9f06c719 CL |
2498 | static void nfs4_xdr_enc_write(struct rpc_rqst *req, struct xdr_stream *xdr, |
2499 | struct nfs_writeargs *args) | |
1da177e4 | 2500 | { |
1da177e4 | 2501 | struct compound_hdr hdr = { |
66cc0429 | 2502 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2503 | }; |
1da177e4 | 2504 | |
9f06c719 CL |
2505 | encode_compound_hdr(xdr, req, &hdr); |
2506 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2507 | encode_putfh(xdr, args->fh, &hdr); | |
2508 | encode_write(xdr, args, &hdr); | |
4f22ccc3 | 2509 | req->rq_snd_buf.flags |= XDRBUF_WRITE; |
7ffd1064 FI |
2510 | if (args->bitmask) |
2511 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2512 | encode_nops(&hdr); |
1da177e4 LT |
2513 | } |
2514 | ||
2515 | /* | |
2516 | * a COMMIT request | |
2517 | */ | |
9f06c719 | 2518 | static void nfs4_xdr_enc_commit(struct rpc_rqst *req, struct xdr_stream *xdr, |
0b7c0153 | 2519 | struct nfs_commitargs *args) |
1da177e4 | 2520 | { |
1da177e4 | 2521 | struct compound_hdr hdr = { |
66cc0429 | 2522 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2523 | }; |
1da177e4 | 2524 | |
9f06c719 CL |
2525 | encode_compound_hdr(xdr, req, &hdr); |
2526 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2527 | encode_putfh(xdr, args->fh, &hdr); | |
2528 | encode_commit(xdr, args, &hdr); | |
d017931c | 2529 | encode_nops(&hdr); |
1da177e4 LT |
2530 | } |
2531 | ||
2532 | /* | |
2533 | * FSINFO request | |
2534 | */ | |
9f06c719 CL |
2535 | static void nfs4_xdr_enc_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, |
2536 | struct nfs4_fsinfo_arg *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_fsinfo(xdr, args->bitmask, &hdr); | |
d017931c | 2546 | encode_nops(&hdr); |
1da177e4 LT |
2547 | } |
2548 | ||
2549 | /* | |
2550 | * a PATHCONF request | |
2551 | */ | |
9f06c719 CL |
2552 | static void nfs4_xdr_enc_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, |
2553 | const struct nfs4_pathconf_arg *args) | |
1da177e4 | 2554 | { |
1da177e4 | 2555 | struct compound_hdr hdr = { |
66cc0429 | 2556 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2557 | }; |
1da177e4 | 2558 | |
9f06c719 CL |
2559 | encode_compound_hdr(xdr, req, &hdr); |
2560 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2561 | encode_putfh(xdr, args->fh, &hdr); | |
2562 | encode_getattr_one(xdr, args->bitmask[0] & nfs4_pathconf_bitmap[0], | |
cf8cdbe5 | 2563 | &hdr); |
d017931c | 2564 | encode_nops(&hdr); |
1da177e4 LT |
2565 | } |
2566 | ||
2567 | /* | |
2568 | * a STATFS request | |
2569 | */ | |
9f06c719 CL |
2570 | static void nfs4_xdr_enc_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, |
2571 | const struct nfs4_statfs_arg *args) | |
1da177e4 | 2572 | { |
1da177e4 | 2573 | struct compound_hdr hdr = { |
66cc0429 | 2574 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2575 | }; |
1da177e4 | 2576 | |
9f06c719 CL |
2577 | encode_compound_hdr(xdr, req, &hdr); |
2578 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2579 | encode_putfh(xdr, args->fh, &hdr); | |
2580 | encode_getattr_two(xdr, args->bitmask[0] & nfs4_statfs_bitmap[0], | |
cf8cdbe5 | 2581 | args->bitmask[1] & nfs4_statfs_bitmap[1], &hdr); |
d017931c | 2582 | encode_nops(&hdr); |
1da177e4 LT |
2583 | } |
2584 | ||
2585 | /* | |
2586 | * GETATTR_BITMAP request | |
2587 | */ | |
9f06c719 CL |
2588 | static void nfs4_xdr_enc_server_caps(struct rpc_rqst *req, |
2589 | struct xdr_stream *xdr, | |
2590 | struct nfs4_server_caps_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->fhandle, &hdr); | |
2599 | encode_getattr_one(xdr, FATTR4_WORD0_SUPPORTED_ATTRS| | |
264e6351 | 2600 | FATTR4_WORD0_FH_EXPIRE_TYPE| |
cf8cdbe5 AA |
2601 | FATTR4_WORD0_LINK_SUPPORT| |
2602 | FATTR4_WORD0_SYMLINK_SUPPORT| | |
2603 | FATTR4_WORD0_ACLSUPPORT, &hdr); | |
d017931c | 2604 | encode_nops(&hdr); |
1da177e4 LT |
2605 | } |
2606 | ||
2607 | /* | |
2608 | * a RENEW request | |
2609 | */ | |
9f06c719 CL |
2610 | static void nfs4_xdr_enc_renew(struct rpc_rqst *req, struct xdr_stream *xdr, |
2611 | struct nfs_client *clp) | |
1da177e4 | 2612 | { |
1da177e4 | 2613 | struct compound_hdr hdr = { |
d017931c | 2614 | .nops = 0, |
1da177e4 LT |
2615 | }; |
2616 | ||
9f06c719 | 2617 | encode_compound_hdr(xdr, req, &hdr); |
bb4dae5e | 2618 | encode_renew(xdr, clp->cl_clientid, &hdr); |
d017931c | 2619 | encode_nops(&hdr); |
1da177e4 LT |
2620 | } |
2621 | ||
2622 | /* | |
2623 | * a SETCLIENTID request | |
2624 | */ | |
9f06c719 CL |
2625 | static void nfs4_xdr_enc_setclientid(struct rpc_rqst *req, |
2626 | struct xdr_stream *xdr, | |
2627 | struct nfs4_setclientid *sc) | |
1da177e4 | 2628 | { |
1da177e4 | 2629 | struct compound_hdr hdr = { |
d017931c | 2630 | .nops = 0, |
1da177e4 LT |
2631 | }; |
2632 | ||
9f06c719 CL |
2633 | encode_compound_hdr(xdr, req, &hdr); |
2634 | encode_setclientid(xdr, sc, &hdr); | |
d017931c | 2635 | encode_nops(&hdr); |
1da177e4 LT |
2636 | } |
2637 | ||
2638 | /* | |
2639 | * a SETCLIENTID_CONFIRM request | |
2640 | */ | |
9f06c719 CL |
2641 | static void nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, |
2642 | struct xdr_stream *xdr, | |
2643 | struct nfs4_setclientid_res *arg) | |
1da177e4 | 2644 | { |
1da177e4 | 2645 | struct compound_hdr hdr = { |
d017931c | 2646 | .nops = 0, |
1da177e4 | 2647 | }; |
1da177e4 | 2648 | |
9f06c719 CL |
2649 | encode_compound_hdr(xdr, req, &hdr); |
2650 | encode_setclientid_confirm(xdr, arg, &hdr); | |
d017931c | 2651 | encode_nops(&hdr); |
1da177e4 LT |
2652 | } |
2653 | ||
2654 | /* | |
2655 | * DELEGRETURN request | |
2656 | */ | |
9f06c719 CL |
2657 | static void nfs4_xdr_enc_delegreturn(struct rpc_rqst *req, |
2658 | struct xdr_stream *xdr, | |
2659 | const struct nfs4_delegreturnargs *args) | |
1da177e4 | 2660 | { |
1da177e4 | 2661 | struct compound_hdr hdr = { |
66cc0429 | 2662 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2663 | }; |
1da177e4 | 2664 | |
9f06c719 CL |
2665 | encode_compound_hdr(xdr, req, &hdr); |
2666 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2667 | encode_putfh(xdr, args->fhandle, &hdr); | |
9f06c719 | 2668 | encode_getfattr(xdr, args->bitmask, &hdr); |
e144cbcc | 2669 | encode_delegreturn(xdr, args->stateid, &hdr); |
d017931c | 2670 | encode_nops(&hdr); |
1da177e4 LT |
2671 | } |
2672 | ||
683b57b4 TM |
2673 | /* |
2674 | * Encode FS_LOCATIONS request | |
2675 | */ | |
9f06c719 CL |
2676 | static void nfs4_xdr_enc_fs_locations(struct rpc_rqst *req, |
2677 | struct xdr_stream *xdr, | |
2678 | struct nfs4_fs_locations_arg *args) | |
683b57b4 | 2679 | { |
683b57b4 | 2680 | struct compound_hdr hdr = { |
66cc0429 | 2681 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
683b57b4 | 2682 | }; |
28f56694 | 2683 | uint32_t replen; |
683b57b4 | 2684 | |
9f06c719 CL |
2685 | encode_compound_hdr(xdr, req, &hdr); |
2686 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2687 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2688 | encode_lookup(xdr, args->name, &hdr); | |
28f56694 | 2689 | replen = hdr.replen; /* get the attribute into args->page */ |
9f06c719 | 2690 | encode_fs_locations(xdr, args->bitmask, &hdr); |
cf8cdbe5 | 2691 | |
28f56694 | 2692 | xdr_inline_pages(&req->rq_rcv_buf, replen << 2, &args->page, |
683b57b4 | 2693 | 0, PAGE_SIZE); |
d017931c | 2694 | encode_nops(&hdr); |
683b57b4 TM |
2695 | } |
2696 | ||
5a5ea0d4 BS |
2697 | /* |
2698 | * Encode SECINFO request | |
2699 | */ | |
2700 | static void nfs4_xdr_enc_secinfo(struct rpc_rqst *req, | |
2701 | struct xdr_stream *xdr, | |
2702 | struct nfs4_secinfo_arg *args) | |
2703 | { | |
2704 | struct compound_hdr hdr = { | |
2705 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2706 | }; | |
2707 | ||
2708 | encode_compound_hdr(xdr, req, &hdr); | |
2709 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2710 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2711 | encode_secinfo(xdr, args->name, &hdr); | |
2712 | encode_nops(&hdr); | |
2713 | } | |
2714 | ||
99fe60d0 | 2715 | #if defined(CONFIG_NFS_V4_1) |
7c44f1ae WAA |
2716 | /* |
2717 | * BIND_CONN_TO_SESSION request | |
2718 | */ | |
2719 | static void nfs4_xdr_enc_bind_conn_to_session(struct rpc_rqst *req, | |
2720 | struct xdr_stream *xdr, | |
2721 | struct nfs_client *clp) | |
2722 | { | |
2723 | struct compound_hdr hdr = { | |
2724 | .minorversion = clp->cl_mvops->minor_version, | |
2725 | }; | |
2726 | ||
2727 | encode_compound_hdr(xdr, req, &hdr); | |
2728 | encode_bind_conn_to_session(xdr, clp->cl_session, &hdr); | |
2729 | encode_nops(&hdr); | |
2730 | } | |
2731 | ||
99fe60d0 BH |
2732 | /* |
2733 | * EXCHANGE_ID request | |
2734 | */ | |
9f06c719 CL |
2735 | static void nfs4_xdr_enc_exchange_id(struct rpc_rqst *req, |
2736 | struct xdr_stream *xdr, | |
2737 | struct nfs41_exchange_id_args *args) | |
99fe60d0 | 2738 | { |
99fe60d0 | 2739 | struct compound_hdr hdr = { |
a4432345 | 2740 | .minorversion = args->client->cl_mvops->minor_version, |
99fe60d0 BH |
2741 | }; |
2742 | ||
9f06c719 CL |
2743 | encode_compound_hdr(xdr, req, &hdr); |
2744 | encode_exchange_id(xdr, args, &hdr); | |
99fe60d0 | 2745 | encode_nops(&hdr); |
99fe60d0 | 2746 | } |
2050f0cc | 2747 | |
fc931582 AA |
2748 | /* |
2749 | * a CREATE_SESSION request | |
2750 | */ | |
9f06c719 CL |
2751 | static void nfs4_xdr_enc_create_session(struct rpc_rqst *req, |
2752 | struct xdr_stream *xdr, | |
2753 | struct nfs41_create_session_args *args) | |
fc931582 | 2754 | { |
fc931582 | 2755 | struct compound_hdr hdr = { |
a4432345 | 2756 | .minorversion = args->client->cl_mvops->minor_version, |
fc931582 AA |
2757 | }; |
2758 | ||
9f06c719 CL |
2759 | encode_compound_hdr(xdr, req, &hdr); |
2760 | encode_create_session(xdr, args, &hdr); | |
fc931582 | 2761 | encode_nops(&hdr); |
fc931582 AA |
2762 | } |
2763 | ||
0f3e66c6 AA |
2764 | /* |
2765 | * a DESTROY_SESSION request | |
2766 | */ | |
9f06c719 CL |
2767 | static void nfs4_xdr_enc_destroy_session(struct rpc_rqst *req, |
2768 | struct xdr_stream *xdr, | |
2769 | struct nfs4_session *session) | |
0f3e66c6 | 2770 | { |
0f3e66c6 | 2771 | struct compound_hdr hdr = { |
a4432345 | 2772 | .minorversion = session->clp->cl_mvops->minor_version, |
0f3e66c6 AA |
2773 | }; |
2774 | ||
9f06c719 CL |
2775 | encode_compound_hdr(xdr, req, &hdr); |
2776 | encode_destroy_session(xdr, session, &hdr); | |
0f3e66c6 | 2777 | encode_nops(&hdr); |
0f3e66c6 AA |
2778 | } |
2779 | ||
66245539 TM |
2780 | /* |
2781 | * a DESTROY_CLIENTID request | |
2782 | */ | |
2783 | static void nfs4_xdr_enc_destroy_clientid(struct rpc_rqst *req, | |
2784 | struct xdr_stream *xdr, | |
2785 | struct nfs_client *clp) | |
2786 | { | |
2787 | struct compound_hdr hdr = { | |
2788 | .minorversion = clp->cl_mvops->minor_version, | |
2789 | }; | |
2790 | ||
2791 | encode_compound_hdr(xdr, req, &hdr); | |
2792 | encode_destroy_clientid(xdr, clp->cl_clientid, &hdr); | |
2793 | encode_nops(&hdr); | |
2794 | } | |
2795 | ||
fc01cea9 AA |
2796 | /* |
2797 | * a SEQUENCE request | |
2798 | */ | |
9f06c719 CL |
2799 | static void nfs4_xdr_enc_sequence(struct rpc_rqst *req, struct xdr_stream *xdr, |
2800 | struct nfs4_sequence_args *args) | |
fc01cea9 | 2801 | { |
fc01cea9 AA |
2802 | struct compound_hdr hdr = { |
2803 | .minorversion = nfs4_xdr_minorversion(args), | |
2804 | }; | |
2805 | ||
9f06c719 CL |
2806 | encode_compound_hdr(xdr, req, &hdr); |
2807 | encode_sequence(xdr, args, &hdr); | |
fc01cea9 | 2808 | encode_nops(&hdr); |
fc01cea9 AA |
2809 | } |
2810 | ||
2050f0cc AA |
2811 | /* |
2812 | * a GET_LEASE_TIME request | |
2813 | */ | |
9f06c719 CL |
2814 | static void nfs4_xdr_enc_get_lease_time(struct rpc_rqst *req, |
2815 | struct xdr_stream *xdr, | |
2816 | struct nfs4_get_lease_time_args *args) | |
2050f0cc | 2817 | { |
2050f0cc AA |
2818 | struct compound_hdr hdr = { |
2819 | .minorversion = nfs4_xdr_minorversion(&args->la_seq_args), | |
2820 | }; | |
dae100c2 | 2821 | const u32 lease_bitmap[3] = { FATTR4_WORD0_LEASE_TIME }; |
2050f0cc | 2822 | |
9f06c719 CL |
2823 | encode_compound_hdr(xdr, req, &hdr); |
2824 | encode_sequence(xdr, &args->la_seq_args, &hdr); | |
2825 | encode_putrootfh(xdr, &hdr); | |
2826 | encode_fsinfo(xdr, lease_bitmap, &hdr); | |
2050f0cc | 2827 | encode_nops(&hdr); |
2050f0cc | 2828 | } |
18019753 RL |
2829 | |
2830 | /* | |
2831 | * a RECLAIM_COMPLETE request | |
2832 | */ | |
9f06c719 CL |
2833 | static void nfs4_xdr_enc_reclaim_complete(struct rpc_rqst *req, |
2834 | struct xdr_stream *xdr, | |
2835 | struct nfs41_reclaim_complete_args *args) | |
18019753 | 2836 | { |
18019753 RL |
2837 | struct compound_hdr hdr = { |
2838 | .minorversion = nfs4_xdr_minorversion(&args->seq_args) | |
2839 | }; | |
2840 | ||
9f06c719 CL |
2841 | encode_compound_hdr(xdr, req, &hdr); |
2842 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2843 | encode_reclaim_complete(xdr, args, &hdr); | |
18019753 | 2844 | encode_nops(&hdr); |
18019753 RL |
2845 | } |
2846 | ||
7f11d8d3 AA |
2847 | /* |
2848 | * Encode GETDEVICELIST request | |
2849 | */ | |
2850 | static void nfs4_xdr_enc_getdevicelist(struct rpc_rqst *req, | |
2851 | struct xdr_stream *xdr, | |
2852 | struct nfs4_getdevicelist_args *args) | |
2853 | { | |
2854 | struct compound_hdr hdr = { | |
2855 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2856 | }; | |
2857 | ||
2858 | encode_compound_hdr(xdr, req, &hdr); | |
2859 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2860 | encode_putfh(xdr, args->fh, &hdr); | |
2861 | encode_getdevicelist(xdr, args, &hdr); | |
2862 | encode_nops(&hdr); | |
2863 | } | |
2864 | ||
b1f69b75 AA |
2865 | /* |
2866 | * Encode GETDEVICEINFO request | |
2867 | */ | |
9f06c719 CL |
2868 | static void nfs4_xdr_enc_getdeviceinfo(struct rpc_rqst *req, |
2869 | struct xdr_stream *xdr, | |
2870 | struct nfs4_getdeviceinfo_args *args) | |
b1f69b75 | 2871 | { |
b1f69b75 AA |
2872 | struct compound_hdr hdr = { |
2873 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2874 | }; | |
2875 | ||
9f06c719 CL |
2876 | encode_compound_hdr(xdr, req, &hdr); |
2877 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2878 | encode_getdeviceinfo(xdr, args, &hdr); | |
b1f69b75 AA |
2879 | |
2880 | /* set up reply kvec. Subtract notification bitmap max size (2) | |
2881 | * so that notification bitmap is put in xdr_buf tail */ | |
2882 | xdr_inline_pages(&req->rq_rcv_buf, (hdr.replen - 2) << 2, | |
2883 | args->pdev->pages, args->pdev->pgbase, | |
2884 | args->pdev->pglen); | |
2885 | ||
2886 | encode_nops(&hdr); | |
b1f69b75 AA |
2887 | } |
2888 | ||
2889 | /* | |
2890 | * Encode LAYOUTGET request | |
2891 | */ | |
9f06c719 CL |
2892 | static void nfs4_xdr_enc_layoutget(struct rpc_rqst *req, |
2893 | struct xdr_stream *xdr, | |
2894 | struct nfs4_layoutget_args *args) | |
b1f69b75 | 2895 | { |
b1f69b75 AA |
2896 | struct compound_hdr hdr = { |
2897 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2898 | }; | |
2899 | ||
9f06c719 CL |
2900 | encode_compound_hdr(xdr, req, &hdr); |
2901 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2902 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
2903 | encode_layoutget(xdr, args, &hdr); | |
35124a09 WAA |
2904 | |
2905 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, | |
2906 | args->layout.pages, 0, args->layout.pglen); | |
2907 | ||
b1f69b75 | 2908 | encode_nops(&hdr); |
b1f69b75 | 2909 | } |
863a3c6c AA |
2910 | |
2911 | /* | |
2912 | * Encode LAYOUTCOMMIT request | |
2913 | */ | |
cbe82603 BH |
2914 | static void nfs4_xdr_enc_layoutcommit(struct rpc_rqst *req, |
2915 | struct xdr_stream *xdr, | |
2916 | struct nfs4_layoutcommit_args *args) | |
863a3c6c | 2917 | { |
ac7db726 BH |
2918 | struct nfs4_layoutcommit_data *data = |
2919 | container_of(args, struct nfs4_layoutcommit_data, args); | |
863a3c6c AA |
2920 | struct compound_hdr hdr = { |
2921 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2922 | }; | |
2923 | ||
2924 | encode_compound_hdr(xdr, req, &hdr); | |
2925 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2926 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
ac7db726 | 2927 | encode_layoutcommit(xdr, data->args.inode, args, &hdr); |
863a3c6c | 2928 | encode_getfattr(xdr, args->bitmask, &hdr); |
b1f69b75 | 2929 | encode_nops(&hdr); |
cbe82603 BH |
2930 | } |
2931 | ||
2932 | /* | |
2933 | * Encode LAYOUTRETURN request | |
2934 | */ | |
2935 | static void nfs4_xdr_enc_layoutreturn(struct rpc_rqst *req, | |
2936 | struct xdr_stream *xdr, | |
2937 | struct nfs4_layoutreturn_args *args) | |
2938 | { | |
2939 | struct compound_hdr hdr = { | |
2940 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2941 | }; | |
2942 | ||
2943 | encode_compound_hdr(xdr, req, &hdr); | |
2944 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2945 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
2946 | encode_layoutreturn(xdr, args, &hdr); | |
2947 | encode_nops(&hdr); | |
b1f69b75 | 2948 | } |
fca78d6d BS |
2949 | |
2950 | /* | |
2951 | * Encode SECINFO_NO_NAME request | |
2952 | */ | |
2953 | static int nfs4_xdr_enc_secinfo_no_name(struct rpc_rqst *req, | |
2954 | struct xdr_stream *xdr, | |
2955 | struct nfs41_secinfo_no_name_args *args) | |
2956 | { | |
2957 | struct compound_hdr hdr = { | |
2958 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2959 | }; | |
2960 | ||
2961 | encode_compound_hdr(xdr, req, &hdr); | |
2962 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2963 | encode_putrootfh(xdr, &hdr); | |
2964 | encode_secinfo_no_name(xdr, args, &hdr); | |
2965 | encode_nops(&hdr); | |
2966 | return 0; | |
2967 | } | |
7d974794 BS |
2968 | |
2969 | /* | |
2970 | * Encode TEST_STATEID request | |
2971 | */ | |
2972 | static void nfs4_xdr_enc_test_stateid(struct rpc_rqst *req, | |
2973 | struct xdr_stream *xdr, | |
2974 | struct nfs41_test_stateid_args *args) | |
2975 | { | |
2976 | struct compound_hdr hdr = { | |
2977 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2978 | }; | |
2979 | ||
2980 | encode_compound_hdr(xdr, req, &hdr); | |
2981 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2982 | encode_test_stateid(xdr, args, &hdr); | |
2983 | encode_nops(&hdr); | |
2984 | } | |
9aeda35f BS |
2985 | |
2986 | /* | |
2987 | * Encode FREE_STATEID request | |
2988 | */ | |
2989 | static void nfs4_xdr_enc_free_stateid(struct rpc_rqst *req, | |
2990 | struct xdr_stream *xdr, | |
2991 | struct nfs41_free_stateid_args *args) | |
2992 | { | |
2993 | struct compound_hdr hdr = { | |
2994 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2995 | }; | |
2996 | ||
2997 | encode_compound_hdr(xdr, req, &hdr); | |
2998 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2999 | encode_free_stateid(xdr, args, &hdr); | |
3000 | encode_nops(&hdr); | |
3001 | } | |
99fe60d0 BH |
3002 | #endif /* CONFIG_NFS_V4_1 */ |
3003 | ||
686841b3 BH |
3004 | static void print_overflow_msg(const char *func, const struct xdr_stream *xdr) |
3005 | { | |
3006 | dprintk("nfs: %s: prematurely hit end of receive buffer. " | |
3007 | "Remaining buffer length is %tu words.\n", | |
3008 | func, xdr->end - xdr->p); | |
3009 | } | |
1da177e4 | 3010 | |
683b57b4 | 3011 | static int decode_opaque_inline(struct xdr_stream *xdr, unsigned int *len, char **string) |
1da177e4 | 3012 | { |
8687b63a | 3013 | __be32 *p; |
1da177e4 | 3014 | |
c0eae66e BH |
3015 | p = xdr_inline_decode(xdr, 4); |
3016 | if (unlikely(!p)) | |
3017 | goto out_overflow; | |
cccddf4f | 3018 | *len = be32_to_cpup(p); |
c0eae66e BH |
3019 | p = xdr_inline_decode(xdr, *len); |
3020 | if (unlikely(!p)) | |
3021 | goto out_overflow; | |
1da177e4 LT |
3022 | *string = (char *)p; |
3023 | return 0; | |
c0eae66e BH |
3024 | out_overflow: |
3025 | print_overflow_msg(__func__, xdr); | |
3026 | return -EIO; | |
1da177e4 LT |
3027 | } |
3028 | ||
3029 | static int decode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr) | |
3030 | { | |
8687b63a | 3031 | __be32 *p; |
1da177e4 | 3032 | |
c0eae66e BH |
3033 | p = xdr_inline_decode(xdr, 8); |
3034 | if (unlikely(!p)) | |
3035 | goto out_overflow; | |
6f723f77 | 3036 | hdr->status = be32_to_cpup(p++); |
cccddf4f | 3037 | hdr->taglen = be32_to_cpup(p); |
6c0195a4 | 3038 | |
c0eae66e BH |
3039 | p = xdr_inline_decode(xdr, hdr->taglen + 4); |
3040 | if (unlikely(!p)) | |
3041 | goto out_overflow; | |
1da177e4 LT |
3042 | hdr->tag = (char *)p; |
3043 | p += XDR_QUADLEN(hdr->taglen); | |
cccddf4f | 3044 | hdr->nops = be32_to_cpup(p); |
aadf6152 BH |
3045 | if (unlikely(hdr->nops < 1)) |
3046 | return nfs4_stat_to_errno(hdr->status); | |
1da177e4 | 3047 | return 0; |
c0eae66e BH |
3048 | out_overflow: |
3049 | print_overflow_msg(__func__, xdr); | |
3050 | return -EIO; | |
1da177e4 LT |
3051 | } |
3052 | ||
3053 | static int decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected) | |
3054 | { | |
8687b63a | 3055 | __be32 *p; |
1da177e4 LT |
3056 | uint32_t opnum; |
3057 | int32_t nfserr; | |
3058 | ||
c0eae66e BH |
3059 | p = xdr_inline_decode(xdr, 8); |
3060 | if (unlikely(!p)) | |
3061 | goto out_overflow; | |
6f723f77 | 3062 | opnum = be32_to_cpup(p++); |
1da177e4 | 3063 | if (opnum != expected) { |
fe82a183 CL |
3064 | dprintk("nfs: Server returned operation" |
3065 | " %d but we issued a request for %d\n", | |
1da177e4 LT |
3066 | opnum, expected); |
3067 | return -EIO; | |
3068 | } | |
cccddf4f | 3069 | nfserr = be32_to_cpup(p); |
1da177e4 | 3070 | if (nfserr != NFS_OK) |
856dff3d | 3071 | return nfs4_stat_to_errno(nfserr); |
1da177e4 | 3072 | return 0; |
c0eae66e BH |
3073 | out_overflow: |
3074 | print_overflow_msg(__func__, xdr); | |
3075 | return -EIO; | |
1da177e4 LT |
3076 | } |
3077 | ||
3078 | /* Dummy routine */ | |
adfa6f98 | 3079 | static int decode_ace(struct xdr_stream *xdr, void *ace, struct nfs_client *clp) |
1da177e4 | 3080 | { |
8687b63a | 3081 | __be32 *p; |
683b57b4 | 3082 | unsigned int strlen; |
1da177e4 LT |
3083 | char *str; |
3084 | ||
c0eae66e BH |
3085 | p = xdr_inline_decode(xdr, 12); |
3086 | if (likely(p)) | |
3087 | return decode_opaque_inline(xdr, &strlen, &str); | |
3088 | print_overflow_msg(__func__, xdr); | |
3089 | return -EIO; | |
1da177e4 LT |
3090 | } |
3091 | ||
3092 | static int decode_attr_bitmap(struct xdr_stream *xdr, uint32_t *bitmap) | |
3093 | { | |
8687b63a AV |
3094 | uint32_t bmlen; |
3095 | __be32 *p; | |
1da177e4 | 3096 | |
c0eae66e BH |
3097 | p = xdr_inline_decode(xdr, 4); |
3098 | if (unlikely(!p)) | |
3099 | goto out_overflow; | |
cccddf4f | 3100 | bmlen = be32_to_cpup(p); |
1da177e4 | 3101 | |
dae100c2 | 3102 | bitmap[0] = bitmap[1] = bitmap[2] = 0; |
c0eae66e BH |
3103 | p = xdr_inline_decode(xdr, (bmlen << 2)); |
3104 | if (unlikely(!p)) | |
3105 | goto out_overflow; | |
1da177e4 | 3106 | if (bmlen > 0) { |
6f723f77 | 3107 | bitmap[0] = be32_to_cpup(p++); |
dae100c2 FI |
3108 | if (bmlen > 1) { |
3109 | bitmap[1] = be32_to_cpup(p++); | |
3110 | if (bmlen > 2) | |
3111 | bitmap[2] = be32_to_cpup(p); | |
3112 | } | |
1da177e4 LT |
3113 | } |
3114 | return 0; | |
c0eae66e BH |
3115 | out_overflow: |
3116 | print_overflow_msg(__func__, xdr); | |
3117 | return -EIO; | |
1da177e4 LT |
3118 | } |
3119 | ||
256e48bb | 3120 | static int decode_attr_length(struct xdr_stream *xdr, uint32_t *attrlen, unsigned int *savep) |
1da177e4 | 3121 | { |
8687b63a | 3122 | __be32 *p; |
1da177e4 | 3123 | |
c0eae66e BH |
3124 | p = xdr_inline_decode(xdr, 4); |
3125 | if (unlikely(!p)) | |
3126 | goto out_overflow; | |
cccddf4f | 3127 | *attrlen = be32_to_cpup(p); |
256e48bb | 3128 | *savep = xdr_stream_pos(xdr); |
1da177e4 | 3129 | return 0; |
c0eae66e BH |
3130 | out_overflow: |
3131 | print_overflow_msg(__func__, xdr); | |
3132 | return -EIO; | |
1da177e4 LT |
3133 | } |
3134 | ||
3135 | static int decode_attr_supported(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *bitmask) | |
3136 | { | |
3137 | if (likely(bitmap[0] & FATTR4_WORD0_SUPPORTED_ATTRS)) { | |
3388bff5 RB |
3138 | int ret; |
3139 | ret = decode_attr_bitmap(xdr, bitmask); | |
3140 | if (unlikely(ret < 0)) | |
3141 | return ret; | |
1da177e4 LT |
3142 | bitmap[0] &= ~FATTR4_WORD0_SUPPORTED_ATTRS; |
3143 | } else | |
dae100c2 FI |
3144 | bitmask[0] = bitmask[1] = bitmask[2] = 0; |
3145 | dprintk("%s: bitmask=%08x:%08x:%08x\n", __func__, | |
3146 | bitmask[0], bitmask[1], bitmask[2]); | |
1da177e4 LT |
3147 | return 0; |
3148 | } | |
3149 | ||
3150 | static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *type) | |
3151 | { | |
8687b63a | 3152 | __be32 *p; |
409924e4 | 3153 | int ret = 0; |
1da177e4 LT |
3154 | |
3155 | *type = 0; | |
3156 | if (unlikely(bitmap[0] & (FATTR4_WORD0_TYPE - 1U))) | |
3157 | return -EIO; | |
3158 | if (likely(bitmap[0] & FATTR4_WORD0_TYPE)) { | |
c0eae66e BH |
3159 | p = xdr_inline_decode(xdr, 4); |
3160 | if (unlikely(!p)) | |
3161 | goto out_overflow; | |
cccddf4f | 3162 | *type = be32_to_cpup(p); |
1da177e4 | 3163 | if (*type < NF4REG || *type > NF4NAMEDATTR) { |
3110ff80 | 3164 | dprintk("%s: bad type %d\n", __func__, *type); |
1da177e4 LT |
3165 | return -EIO; |
3166 | } | |
3167 | bitmap[0] &= ~FATTR4_WORD0_TYPE; | |
409924e4 | 3168 | ret = NFS_ATTR_FATTR_TYPE; |
1da177e4 | 3169 | } |
bca79478 | 3170 | dprintk("%s: type=0%o\n", __func__, nfs_type2fmt[*type]); |
409924e4 | 3171 | return ret; |
c0eae66e BH |
3172 | out_overflow: |
3173 | print_overflow_msg(__func__, xdr); | |
3174 | return -EIO; | |
1da177e4 LT |
3175 | } |
3176 | ||
264e6351 CL |
3177 | static int decode_attr_fh_expire_type(struct xdr_stream *xdr, |
3178 | uint32_t *bitmap, uint32_t *type) | |
3179 | { | |
3180 | __be32 *p; | |
3181 | ||
3182 | *type = 0; | |
3183 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FH_EXPIRE_TYPE - 1U))) | |
3184 | return -EIO; | |
3185 | if (likely(bitmap[0] & FATTR4_WORD0_FH_EXPIRE_TYPE)) { | |
3186 | p = xdr_inline_decode(xdr, 4); | |
3187 | if (unlikely(!p)) | |
3188 | goto out_overflow; | |
3189 | *type = be32_to_cpup(p); | |
3190 | bitmap[0] &= ~FATTR4_WORD0_FH_EXPIRE_TYPE; | |
3191 | } | |
3192 | dprintk("%s: expire type=0x%x\n", __func__, *type); | |
3193 | return 0; | |
3194 | out_overflow: | |
3195 | print_overflow_msg(__func__, xdr); | |
3196 | return -EIO; | |
3197 | } | |
3198 | ||
1da177e4 LT |
3199 | static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *change) |
3200 | { | |
8687b63a | 3201 | __be32 *p; |
409924e4 | 3202 | int ret = 0; |
1da177e4 LT |
3203 | |
3204 | *change = 0; | |
3205 | if (unlikely(bitmap[0] & (FATTR4_WORD0_CHANGE - 1U))) | |
3206 | return -EIO; | |
3207 | if (likely(bitmap[0] & FATTR4_WORD0_CHANGE)) { | |
c0eae66e BH |
3208 | p = xdr_inline_decode(xdr, 8); |
3209 | if (unlikely(!p)) | |
3210 | goto out_overflow; | |
cccddf4f | 3211 | xdr_decode_hyper(p, change); |
1da177e4 | 3212 | bitmap[0] &= ~FATTR4_WORD0_CHANGE; |
409924e4 | 3213 | ret = NFS_ATTR_FATTR_CHANGE; |
1da177e4 | 3214 | } |
3110ff80 | 3215 | dprintk("%s: change attribute=%Lu\n", __func__, |
1da177e4 | 3216 | (unsigned long long)*change); |
409924e4 | 3217 | return ret; |
c0eae66e BH |
3218 | out_overflow: |
3219 | print_overflow_msg(__func__, xdr); | |
3220 | return -EIO; | |
1da177e4 LT |
3221 | } |
3222 | ||
3223 | static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *size) | |
3224 | { | |
8687b63a | 3225 | __be32 *p; |
409924e4 | 3226 | int ret = 0; |
1da177e4 LT |
3227 | |
3228 | *size = 0; | |
3229 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SIZE - 1U))) | |
3230 | return -EIO; | |
3231 | if (likely(bitmap[0] & FATTR4_WORD0_SIZE)) { | |
c0eae66e BH |
3232 | p = xdr_inline_decode(xdr, 8); |
3233 | if (unlikely(!p)) | |
3234 | goto out_overflow; | |
cccddf4f | 3235 | xdr_decode_hyper(p, size); |
1da177e4 | 3236 | bitmap[0] &= ~FATTR4_WORD0_SIZE; |
409924e4 | 3237 | ret = NFS_ATTR_FATTR_SIZE; |
1da177e4 | 3238 | } |
3110ff80 | 3239 | dprintk("%s: file size=%Lu\n", __func__, (unsigned long long)*size); |
409924e4 | 3240 | return ret; |
c0eae66e BH |
3241 | out_overflow: |
3242 | print_overflow_msg(__func__, xdr); | |
3243 | return -EIO; | |
1da177e4 LT |
3244 | } |
3245 | ||
3246 | static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3247 | { | |
8687b63a | 3248 | __be32 *p; |
1da177e4 LT |
3249 | |
3250 | *res = 0; | |
3251 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LINK_SUPPORT - 1U))) | |
3252 | return -EIO; | |
3253 | if (likely(bitmap[0] & FATTR4_WORD0_LINK_SUPPORT)) { | |
c0eae66e BH |
3254 | p = xdr_inline_decode(xdr, 4); |
3255 | if (unlikely(!p)) | |
3256 | goto out_overflow; | |
cccddf4f | 3257 | *res = be32_to_cpup(p); |
1da177e4 LT |
3258 | bitmap[0] &= ~FATTR4_WORD0_LINK_SUPPORT; |
3259 | } | |
3110ff80 | 3260 | dprintk("%s: link support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 | 3261 | return 0; |
c0eae66e BH |
3262 | out_overflow: |
3263 | print_overflow_msg(__func__, xdr); | |
3264 | return -EIO; | |
1da177e4 LT |
3265 | } |
3266 | ||
3267 | static int decode_attr_symlink_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3268 | { | |
8687b63a | 3269 | __be32 *p; |
1da177e4 LT |
3270 | |
3271 | *res = 0; | |
3272 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SYMLINK_SUPPORT - 1U))) | |
3273 | return -EIO; | |
3274 | if (likely(bitmap[0] & FATTR4_WORD0_SYMLINK_SUPPORT)) { | |
c0eae66e BH |
3275 | p = xdr_inline_decode(xdr, 4); |
3276 | if (unlikely(!p)) | |
3277 | goto out_overflow; | |
cccddf4f | 3278 | *res = be32_to_cpup(p); |
1da177e4 LT |
3279 | bitmap[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT; |
3280 | } | |
3110ff80 | 3281 | dprintk("%s: symlink support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 | 3282 | return 0; |
c0eae66e BH |
3283 | out_overflow: |
3284 | print_overflow_msg(__func__, xdr); | |
3285 | return -EIO; | |
1da177e4 LT |
3286 | } |
3287 | ||
8b4bdcf8 | 3288 | static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fsid *fsid) |
1da177e4 | 3289 | { |
8687b63a | 3290 | __be32 *p; |
409924e4 | 3291 | int ret = 0; |
1da177e4 LT |
3292 | |
3293 | fsid->major = 0; | |
3294 | fsid->minor = 0; | |
3295 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FSID - 1U))) | |
3296 | return -EIO; | |
3297 | if (likely(bitmap[0] & FATTR4_WORD0_FSID)) { | |
c0eae66e BH |
3298 | p = xdr_inline_decode(xdr, 16); |
3299 | if (unlikely(!p)) | |
3300 | goto out_overflow; | |
3ceb4dbb | 3301 | p = xdr_decode_hyper(p, &fsid->major); |
cccddf4f | 3302 | xdr_decode_hyper(p, &fsid->minor); |
1da177e4 | 3303 | bitmap[0] &= ~FATTR4_WORD0_FSID; |
409924e4 | 3304 | ret = NFS_ATTR_FATTR_FSID; |
1da177e4 | 3305 | } |
3110ff80 | 3306 | dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __func__, |
1da177e4 LT |
3307 | (unsigned long long)fsid->major, |
3308 | (unsigned long long)fsid->minor); | |
409924e4 | 3309 | return ret; |
c0eae66e BH |
3310 | out_overflow: |
3311 | print_overflow_msg(__func__, xdr); | |
3312 | return -EIO; | |
1da177e4 LT |
3313 | } |
3314 | ||
3315 | static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3316 | { | |
8687b63a | 3317 | __be32 *p; |
1da177e4 LT |
3318 | |
3319 | *res = 60; | |
3320 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LEASE_TIME - 1U))) | |
3321 | return -EIO; | |
3322 | if (likely(bitmap[0] & FATTR4_WORD0_LEASE_TIME)) { | |
c0eae66e BH |
3323 | p = xdr_inline_decode(xdr, 4); |
3324 | if (unlikely(!p)) | |
3325 | goto out_overflow; | |
cccddf4f | 3326 | *res = be32_to_cpup(p); |
1da177e4 LT |
3327 | bitmap[0] &= ~FATTR4_WORD0_LEASE_TIME; |
3328 | } | |
3110ff80 | 3329 | dprintk("%s: file size=%u\n", __func__, (unsigned int)*res); |
1da177e4 | 3330 | return 0; |
c0eae66e BH |
3331 | out_overflow: |
3332 | print_overflow_msg(__func__, xdr); | |
3333 | return -EIO; | |
1da177e4 LT |
3334 | } |
3335 | ||
ee7b75fc | 3336 | static int decode_attr_error(struct xdr_stream *xdr, uint32_t *bitmap, int32_t *res) |
ae42c70a BS |
3337 | { |
3338 | __be32 *p; | |
3339 | ||
3340 | if (unlikely(bitmap[0] & (FATTR4_WORD0_RDATTR_ERROR - 1U))) | |
3341 | return -EIO; | |
3342 | if (likely(bitmap[0] & FATTR4_WORD0_RDATTR_ERROR)) { | |
3343 | p = xdr_inline_decode(xdr, 4); | |
3344 | if (unlikely(!p)) | |
3345 | goto out_overflow; | |
3346 | bitmap[0] &= ~FATTR4_WORD0_RDATTR_ERROR; | |
ee7b75fc | 3347 | *res = -be32_to_cpup(p); |
ae42c70a BS |
3348 | } |
3349 | return 0; | |
3350 | out_overflow: | |
3351 | print_overflow_msg(__func__, xdr); | |
3352 | return -EIO; | |
3353 | } | |
3354 | ||
3355 | static int decode_attr_filehandle(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fh *fh) | |
3356 | { | |
3357 | __be32 *p; | |
3358 | int len; | |
3359 | ||
7ad07353 TM |
3360 | if (fh != NULL) |
3361 | memset(fh, 0, sizeof(*fh)); | |
ae42c70a BS |
3362 | |
3363 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEHANDLE - 1U))) | |
3364 | return -EIO; | |
3365 | if (likely(bitmap[0] & FATTR4_WORD0_FILEHANDLE)) { | |
3366 | p = xdr_inline_decode(xdr, 4); | |
3367 | if (unlikely(!p)) | |
3368 | goto out_overflow; | |
3369 | len = be32_to_cpup(p); | |
3370 | if (len > NFS4_FHSIZE) | |
3371 | return -EIO; | |
ae42c70a BS |
3372 | p = xdr_inline_decode(xdr, len); |
3373 | if (unlikely(!p)) | |
3374 | goto out_overflow; | |
7ad07353 TM |
3375 | if (fh != NULL) { |
3376 | memcpy(fh->data, p, len); | |
3377 | fh->size = len; | |
3378 | } | |
ae42c70a BS |
3379 | bitmap[0] &= ~FATTR4_WORD0_FILEHANDLE; |
3380 | } | |
3381 | return 0; | |
3382 | out_overflow: | |
3383 | print_overflow_msg(__func__, xdr); | |
3384 | return -EIO; | |
3385 | } | |
3386 | ||
1da177e4 LT |
3387 | static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) |
3388 | { | |
8687b63a | 3389 | __be32 *p; |
1da177e4 LT |
3390 | |
3391 | *res = ACL4_SUPPORT_ALLOW_ACL|ACL4_SUPPORT_DENY_ACL; | |
3392 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACLSUPPORT - 1U))) | |
3393 | return -EIO; | |
3394 | if (likely(bitmap[0] & FATTR4_WORD0_ACLSUPPORT)) { | |
c0eae66e BH |
3395 | p = xdr_inline_decode(xdr, 4); |
3396 | if (unlikely(!p)) | |
3397 | goto out_overflow; | |
cccddf4f | 3398 | *res = be32_to_cpup(p); |
1da177e4 LT |
3399 | bitmap[0] &= ~FATTR4_WORD0_ACLSUPPORT; |
3400 | } | |
3110ff80 | 3401 | dprintk("%s: ACLs supported=%u\n", __func__, (unsigned int)*res); |
1da177e4 | 3402 | return 0; |
c0eae66e BH |
3403 | out_overflow: |
3404 | print_overflow_msg(__func__, xdr); | |
3405 | return -EIO; | |
1da177e4 LT |
3406 | } |
3407 | ||
3408 | static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) | |
3409 | { | |
8687b63a | 3410 | __be32 *p; |
409924e4 | 3411 | int ret = 0; |
1da177e4 LT |
3412 | |
3413 | *fileid = 0; | |
3414 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEID - 1U))) | |
3415 | return -EIO; | |
3416 | if (likely(bitmap[0] & FATTR4_WORD0_FILEID)) { | |
c0eae66e BH |
3417 | p = xdr_inline_decode(xdr, 8); |
3418 | if (unlikely(!p)) | |
3419 | goto out_overflow; | |
cccddf4f | 3420 | xdr_decode_hyper(p, fileid); |
1da177e4 | 3421 | bitmap[0] &= ~FATTR4_WORD0_FILEID; |
409924e4 | 3422 | ret = NFS_ATTR_FATTR_FILEID; |
1da177e4 | 3423 | } |
3110ff80 | 3424 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
409924e4 | 3425 | return ret; |
c0eae66e BH |
3426 | out_overflow: |
3427 | print_overflow_msg(__func__, xdr); | |
3428 | return -EIO; | |
1da177e4 LT |
3429 | } |
3430 | ||
99baf625 MN |
3431 | static int decode_attr_mounted_on_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) |
3432 | { | |
8687b63a | 3433 | __be32 *p; |
409924e4 | 3434 | int ret = 0; |
99baf625 MN |
3435 | |
3436 | *fileid = 0; | |
3437 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MOUNTED_ON_FILEID - 1U))) | |
3438 | return -EIO; | |
3439 | if (likely(bitmap[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) { | |
c0eae66e BH |
3440 | p = xdr_inline_decode(xdr, 8); |
3441 | if (unlikely(!p)) | |
3442 | goto out_overflow; | |
cccddf4f | 3443 | xdr_decode_hyper(p, fileid); |
99baf625 | 3444 | bitmap[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID; |
28331a46 | 3445 | ret = NFS_ATTR_FATTR_MOUNTED_ON_FILEID; |
99baf625 | 3446 | } |
3110ff80 | 3447 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
409924e4 | 3448 | return ret; |
c0eae66e BH |
3449 | out_overflow: |
3450 | print_overflow_msg(__func__, xdr); | |
3451 | return -EIO; | |
99baf625 MN |
3452 | } |
3453 | ||
1da177e4 LT |
3454 | static int decode_attr_files_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
3455 | { | |
8687b63a | 3456 | __be32 *p; |
1da177e4 LT |
3457 | int status = 0; |
3458 | ||
3459 | *res = 0; | |
3460 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_AVAIL - 1U))) | |
3461 | return -EIO; | |
3462 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_AVAIL)) { | |
c0eae66e BH |
3463 | p = xdr_inline_decode(xdr, 8); |
3464 | if (unlikely(!p)) | |
3465 | goto out_overflow; | |
cccddf4f | 3466 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3467 | bitmap[0] &= ~FATTR4_WORD0_FILES_AVAIL; |
3468 | } | |
3110ff80 | 3469 | dprintk("%s: files avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3470 | return status; |
c0eae66e BH |
3471 | out_overflow: |
3472 | print_overflow_msg(__func__, xdr); | |
3473 | return -EIO; | |
1da177e4 LT |
3474 | } |
3475 | ||
3476 | static int decode_attr_files_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3477 | { | |
8687b63a | 3478 | __be32 *p; |
1da177e4 LT |
3479 | int status = 0; |
3480 | ||
3481 | *res = 0; | |
3482 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_FREE - 1U))) | |
3483 | return -EIO; | |
3484 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_FREE)) { | |
c0eae66e BH |
3485 | p = xdr_inline_decode(xdr, 8); |
3486 | if (unlikely(!p)) | |
3487 | goto out_overflow; | |
cccddf4f | 3488 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3489 | bitmap[0] &= ~FATTR4_WORD0_FILES_FREE; |
3490 | } | |
3110ff80 | 3491 | dprintk("%s: files free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3492 | return status; |
c0eae66e BH |
3493 | out_overflow: |
3494 | print_overflow_msg(__func__, xdr); | |
3495 | return -EIO; | |
1da177e4 LT |
3496 | } |
3497 | ||
3498 | static int decode_attr_files_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3499 | { | |
8687b63a | 3500 | __be32 *p; |
1da177e4 LT |
3501 | int status = 0; |
3502 | ||
3503 | *res = 0; | |
3504 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_TOTAL - 1U))) | |
3505 | return -EIO; | |
3506 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_TOTAL)) { | |
c0eae66e BH |
3507 | p = xdr_inline_decode(xdr, 8); |
3508 | if (unlikely(!p)) | |
3509 | goto out_overflow; | |
cccddf4f | 3510 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3511 | bitmap[0] &= ~FATTR4_WORD0_FILES_TOTAL; |
3512 | } | |
3110ff80 | 3513 | dprintk("%s: files total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3514 | return status; |
c0eae66e BH |
3515 | out_overflow: |
3516 | print_overflow_msg(__func__, xdr); | |
3517 | return -EIO; | |
1da177e4 LT |
3518 | } |
3519 | ||
7aaa0b3b MN |
3520 | static int decode_pathname(struct xdr_stream *xdr, struct nfs4_pathname *path) |
3521 | { | |
464ad6b1 | 3522 | u32 n; |
8687b63a | 3523 | __be32 *p; |
7aaa0b3b MN |
3524 | int status = 0; |
3525 | ||
c0eae66e BH |
3526 | p = xdr_inline_decode(xdr, 4); |
3527 | if (unlikely(!p)) | |
3528 | goto out_overflow; | |
cccddf4f | 3529 | n = be32_to_cpup(p); |
33a43f28 AA |
3530 | if (n == 0) |
3531 | goto root_path; | |
02a2976c | 3532 | dprintk("pathname4: "); |
809b426c TM |
3533 | if (n > NFS4_PATHNAME_MAXCOMPONENTS) { |
3534 | dprintk("cannot parse %d components in path\n", n); | |
3535 | goto out_eio; | |
3536 | } | |
3537 | for (path->ncomponents = 0; path->ncomponents < n; path->ncomponents++) { | |
7aaa0b3b MN |
3538 | struct nfs4_string *component = &path->components[path->ncomponents]; |
3539 | status = decode_opaque_inline(xdr, &component->len, &component->data); | |
3540 | if (unlikely(status != 0)) | |
3541 | goto out_eio; | |
95a13f7b | 3542 | ifdebug (XDR) |
02a2976c CL |
3543 | pr_cont("%s%.*s ", |
3544 | (path->ncomponents != n ? "/ " : ""), | |
3545 | component->len, component->data); | |
7aaa0b3b MN |
3546 | } |
3547 | out: | |
7aaa0b3b | 3548 | return status; |
33a43f28 AA |
3549 | root_path: |
3550 | /* a root pathname is sent as a zero component4 */ | |
3551 | path->ncomponents = 1; | |
3552 | path->components[0].len=0; | |
3553 | path->components[0].data=NULL; | |
02a2976c | 3554 | dprintk("pathname4: /\n"); |
33a43f28 | 3555 | goto out; |
7aaa0b3b MN |
3556 | out_eio: |
3557 | dprintk(" status %d", status); | |
3558 | status = -EIO; | |
3559 | goto out; | |
c0eae66e BH |
3560 | out_overflow: |
3561 | print_overflow_msg(__func__, xdr); | |
3562 | return -EIO; | |
7aaa0b3b MN |
3563 | } |
3564 | ||
3565 | static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_fs_locations *res) | |
683b57b4 TM |
3566 | { |
3567 | int n; | |
8687b63a | 3568 | __be32 *p; |
683b57b4 TM |
3569 | int status = -EIO; |
3570 | ||
3571 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FS_LOCATIONS -1U))) | |
3572 | goto out; | |
3573 | status = 0; | |
3574 | if (unlikely(!(bitmap[0] & FATTR4_WORD0_FS_LOCATIONS))) | |
3575 | goto out; | |
8b7e3f49 TM |
3576 | status = -EIO; |
3577 | /* Ignore borken servers that return unrequested attrs */ | |
3578 | if (unlikely(res == NULL)) | |
3579 | goto out; | |
02a2976c | 3580 | dprintk("%s: fsroot:\n", __func__); |
7aaa0b3b | 3581 | status = decode_pathname(xdr, &res->fs_path); |
683b57b4 TM |
3582 | if (unlikely(status != 0)) |
3583 | goto out; | |
c0eae66e BH |
3584 | p = xdr_inline_decode(xdr, 4); |
3585 | if (unlikely(!p)) | |
3586 | goto out_overflow; | |
cccddf4f | 3587 | n = be32_to_cpup(p); |
683b57b4 TM |
3588 | if (n <= 0) |
3589 | goto out_eio; | |
809b426c | 3590 | for (res->nlocations = 0; res->nlocations < n; res->nlocations++) { |
464ad6b1 | 3591 | u32 m; |
809b426c | 3592 | struct nfs4_fs_location *loc; |
683b57b4 | 3593 | |
809b426c TM |
3594 | if (res->nlocations == NFS4_FS_LOCATIONS_MAXENTRIES) |
3595 | break; | |
3596 | loc = &res->locations[res->nlocations]; | |
c0eae66e BH |
3597 | p = xdr_inline_decode(xdr, 4); |
3598 | if (unlikely(!p)) | |
3599 | goto out_overflow; | |
cccddf4f | 3600 | m = be32_to_cpup(p); |
7aaa0b3b | 3601 | |
02a2976c | 3602 | dprintk("%s: servers:\n", __func__); |
809b426c TM |
3603 | for (loc->nservers = 0; loc->nservers < m; loc->nservers++) { |
3604 | struct nfs4_string *server; | |
3605 | ||
3606 | if (loc->nservers == NFS4_FS_LOCATION_MAXSERVERS) { | |
464ad6b1 CL |
3607 | unsigned int i; |
3608 | dprintk("%s: using first %u of %u servers " | |
3609 | "returned for location %u\n", | |
3110ff80 | 3610 | __func__, |
464ad6b1 CL |
3611 | NFS4_FS_LOCATION_MAXSERVERS, |
3612 | m, res->nlocations); | |
7aaa0b3b | 3613 | for (i = loc->nservers; i < m; i++) { |
2e42c3e2 | 3614 | unsigned int len; |
7aaa0b3b MN |
3615 | char *data; |
3616 | status = decode_opaque_inline(xdr, &len, &data); | |
3617 | if (unlikely(status != 0)) | |
3618 | goto out_eio; | |
3619 | } | |
809b426c | 3620 | break; |
7aaa0b3b | 3621 | } |
809b426c TM |
3622 | server = &loc->servers[loc->nservers]; |
3623 | status = decode_opaque_inline(xdr, &server->len, &server->data); | |
3624 | if (unlikely(status != 0)) | |
3625 | goto out_eio; | |
3626 | dprintk("%s ", server->data); | |
7aaa0b3b MN |
3627 | } |
3628 | status = decode_pathname(xdr, &loc->rootpath); | |
683b57b4 TM |
3629 | if (unlikely(status != 0)) |
3630 | goto out_eio; | |
683b57b4 | 3631 | } |
409924e4 | 3632 | if (res->nlocations != 0) |
81934ddb | 3633 | status = NFS_ATTR_FATTR_V4_LOCATIONS; |
683b57b4 | 3634 | out: |
3110ff80 | 3635 | dprintk("%s: fs_locations done, error = %d\n", __func__, status); |
683b57b4 | 3636 | return status; |
c0eae66e BH |
3637 | out_overflow: |
3638 | print_overflow_msg(__func__, xdr); | |
683b57b4 TM |
3639 | out_eio: |
3640 | status = -EIO; | |
3641 | goto out; | |
3642 | } | |
3643 | ||
1da177e4 LT |
3644 | static int decode_attr_maxfilesize(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
3645 | { | |
8687b63a | 3646 | __be32 *p; |
1da177e4 LT |
3647 | int status = 0; |
3648 | ||
3649 | *res = 0; | |
3650 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXFILESIZE - 1U))) | |
3651 | return -EIO; | |
3652 | if (likely(bitmap[0] & FATTR4_WORD0_MAXFILESIZE)) { | |
c0eae66e BH |
3653 | p = xdr_inline_decode(xdr, 8); |
3654 | if (unlikely(!p)) | |
3655 | goto out_overflow; | |
cccddf4f | 3656 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3657 | bitmap[0] &= ~FATTR4_WORD0_MAXFILESIZE; |
3658 | } | |
3110ff80 | 3659 | dprintk("%s: maxfilesize=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3660 | return status; |
c0eae66e BH |
3661 | out_overflow: |
3662 | print_overflow_msg(__func__, xdr); | |
3663 | return -EIO; | |
1da177e4 LT |
3664 | } |
3665 | ||
3666 | static int decode_attr_maxlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxlink) | |
3667 | { | |
8687b63a | 3668 | __be32 *p; |
1da177e4 LT |
3669 | int status = 0; |
3670 | ||
3671 | *maxlink = 1; | |
3672 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXLINK - 1U))) | |
3673 | return -EIO; | |
3674 | if (likely(bitmap[0] & FATTR4_WORD0_MAXLINK)) { | |
c0eae66e BH |
3675 | p = xdr_inline_decode(xdr, 4); |
3676 | if (unlikely(!p)) | |
3677 | goto out_overflow; | |
cccddf4f | 3678 | *maxlink = be32_to_cpup(p); |
1da177e4 LT |
3679 | bitmap[0] &= ~FATTR4_WORD0_MAXLINK; |
3680 | } | |
3110ff80 | 3681 | dprintk("%s: maxlink=%u\n", __func__, *maxlink); |
1da177e4 | 3682 | return status; |
c0eae66e BH |
3683 | out_overflow: |
3684 | print_overflow_msg(__func__, xdr); | |
3685 | return -EIO; | |
1da177e4 LT |
3686 | } |
3687 | ||
3688 | static int decode_attr_maxname(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxname) | |
3689 | { | |
8687b63a | 3690 | __be32 *p; |
1da177e4 LT |
3691 | int status = 0; |
3692 | ||
3693 | *maxname = 1024; | |
3694 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXNAME - 1U))) | |
3695 | return -EIO; | |
3696 | if (likely(bitmap[0] & FATTR4_WORD0_MAXNAME)) { | |
c0eae66e BH |
3697 | p = xdr_inline_decode(xdr, 4); |
3698 | if (unlikely(!p)) | |
3699 | goto out_overflow; | |
cccddf4f | 3700 | *maxname = be32_to_cpup(p); |
1da177e4 LT |
3701 | bitmap[0] &= ~FATTR4_WORD0_MAXNAME; |
3702 | } | |
3110ff80 | 3703 | dprintk("%s: maxname=%u\n", __func__, *maxname); |
1da177e4 | 3704 | return status; |
c0eae66e BH |
3705 | out_overflow: |
3706 | print_overflow_msg(__func__, xdr); | |
3707 | return -EIO; | |
1da177e4 LT |
3708 | } |
3709 | ||
3710 | static int decode_attr_maxread(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3711 | { | |
8687b63a | 3712 | __be32 *p; |
1da177e4 LT |
3713 | int status = 0; |
3714 | ||
3715 | *res = 1024; | |
3716 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXREAD - 1U))) | |
3717 | return -EIO; | |
3718 | if (likely(bitmap[0] & FATTR4_WORD0_MAXREAD)) { | |
3719 | uint64_t maxread; | |
c0eae66e BH |
3720 | p = xdr_inline_decode(xdr, 8); |
3721 | if (unlikely(!p)) | |
3722 | goto out_overflow; | |
cccddf4f | 3723 | xdr_decode_hyper(p, &maxread); |
1da177e4 LT |
3724 | if (maxread > 0x7FFFFFFF) |
3725 | maxread = 0x7FFFFFFF; | |
3726 | *res = (uint32_t)maxread; | |
3727 | bitmap[0] &= ~FATTR4_WORD0_MAXREAD; | |
3728 | } | |
3110ff80 | 3729 | dprintk("%s: maxread=%lu\n", __func__, (unsigned long)*res); |
1da177e4 | 3730 | return status; |
c0eae66e BH |
3731 | out_overflow: |
3732 | print_overflow_msg(__func__, xdr); | |
3733 | return -EIO; | |
1da177e4 LT |
3734 | } |
3735 | ||
3736 | static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3737 | { | |
8687b63a | 3738 | __be32 *p; |
1da177e4 LT |
3739 | int status = 0; |
3740 | ||
3741 | *res = 1024; | |
3742 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXWRITE - 1U))) | |
3743 | return -EIO; | |
3744 | if (likely(bitmap[0] & FATTR4_WORD0_MAXWRITE)) { | |
3745 | uint64_t maxwrite; | |
c0eae66e BH |
3746 | p = xdr_inline_decode(xdr, 8); |
3747 | if (unlikely(!p)) | |
3748 | goto out_overflow; | |
cccddf4f | 3749 | xdr_decode_hyper(p, &maxwrite); |
1da177e4 LT |
3750 | if (maxwrite > 0x7FFFFFFF) |
3751 | maxwrite = 0x7FFFFFFF; | |
3752 | *res = (uint32_t)maxwrite; | |
3753 | bitmap[0] &= ~FATTR4_WORD0_MAXWRITE; | |
3754 | } | |
3110ff80 | 3755 | dprintk("%s: maxwrite=%lu\n", __func__, (unsigned long)*res); |
1da177e4 | 3756 | return status; |
c0eae66e BH |
3757 | out_overflow: |
3758 | print_overflow_msg(__func__, xdr); | |
3759 | return -EIO; | |
1da177e4 LT |
3760 | } |
3761 | ||
bca79478 | 3762 | static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, umode_t *mode) |
1da177e4 | 3763 | { |
bca79478 | 3764 | uint32_t tmp; |
8687b63a | 3765 | __be32 *p; |
409924e4 | 3766 | int ret = 0; |
1da177e4 LT |
3767 | |
3768 | *mode = 0; | |
3769 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MODE - 1U))) | |
3770 | return -EIO; | |
3771 | if (likely(bitmap[1] & FATTR4_WORD1_MODE)) { | |
c0eae66e BH |
3772 | p = xdr_inline_decode(xdr, 4); |
3773 | if (unlikely(!p)) | |
3774 | goto out_overflow; | |
cccddf4f | 3775 | tmp = be32_to_cpup(p); |
bca79478 | 3776 | *mode = tmp & ~S_IFMT; |
1da177e4 | 3777 | bitmap[1] &= ~FATTR4_WORD1_MODE; |
409924e4 | 3778 | ret = NFS_ATTR_FATTR_MODE; |
1da177e4 | 3779 | } |
3110ff80 | 3780 | dprintk("%s: file mode=0%o\n", __func__, (unsigned int)*mode); |
409924e4 | 3781 | return ret; |
c0eae66e BH |
3782 | out_overflow: |
3783 | print_overflow_msg(__func__, xdr); | |
3784 | return -EIO; | |
1da177e4 LT |
3785 | } |
3786 | ||
3787 | static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *nlink) | |
3788 | { | |
8687b63a | 3789 | __be32 *p; |
409924e4 | 3790 | int ret = 0; |
1da177e4 LT |
3791 | |
3792 | *nlink = 1; | |
3793 | if (unlikely(bitmap[1] & (FATTR4_WORD1_NUMLINKS - 1U))) | |
3794 | return -EIO; | |
3795 | if (likely(bitmap[1] & FATTR4_WORD1_NUMLINKS)) { | |
c0eae66e BH |
3796 | p = xdr_inline_decode(xdr, 4); |
3797 | if (unlikely(!p)) | |
3798 | goto out_overflow; | |
cccddf4f | 3799 | *nlink = be32_to_cpup(p); |
1da177e4 | 3800 | bitmap[1] &= ~FATTR4_WORD1_NUMLINKS; |
409924e4 | 3801 | ret = NFS_ATTR_FATTR_NLINK; |
1da177e4 | 3802 | } |
3110ff80 | 3803 | dprintk("%s: nlink=%u\n", __func__, (unsigned int)*nlink); |
409924e4 | 3804 | return ret; |
c0eae66e BH |
3805 | out_overflow: |
3806 | print_overflow_msg(__func__, xdr); | |
3807 | return -EIO; | |
1da177e4 LT |
3808 | } |
3809 | ||
80e52ace | 3810 | static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, |
e5782076 | 3811 | const struct nfs_server *server, kuid_t *uid, |
6926afd1 | 3812 | struct nfs4_string *owner_name) |
1da177e4 | 3813 | { |
8687b63a AV |
3814 | uint32_t len; |
3815 | __be32 *p; | |
409924e4 | 3816 | int ret = 0; |
1da177e4 | 3817 | |
e5782076 | 3818 | *uid = make_kuid(&init_user_ns, -2); |
1da177e4 LT |
3819 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER - 1U))) |
3820 | return -EIO; | |
3821 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER)) { | |
c0eae66e BH |
3822 | p = xdr_inline_decode(xdr, 4); |
3823 | if (unlikely(!p)) | |
3824 | goto out_overflow; | |
cccddf4f | 3825 | len = be32_to_cpup(p); |
c0eae66e BH |
3826 | p = xdr_inline_decode(xdr, len); |
3827 | if (unlikely(!p)) | |
3828 | goto out_overflow; | |
6926afd1 TM |
3829 | if (owner_name != NULL) { |
3830 | owner_name->data = kmemdup(p, len, GFP_NOWAIT); | |
3831 | if (owner_name->data != NULL) { | |
3832 | owner_name->len = len; | |
3833 | ret = NFS_ATTR_FATTR_OWNER_NAME; | |
3834 | } | |
80e52ace | 3835 | } else if (len < XDR_MAX_NETOBJ) { |
e4fd72a1 | 3836 | if (nfs_map_name_to_uid(server, (char *)p, len, uid) == 0) |
409924e4 TM |
3837 | ret = NFS_ATTR_FATTR_OWNER; |
3838 | else | |
1da177e4 | 3839 | dprintk("%s: nfs_map_name_to_uid failed!\n", |
3110ff80 | 3840 | __func__); |
1da177e4 | 3841 | } else |
fe82a183 | 3842 | dprintk("%s: name too long (%u)!\n", |
3110ff80 | 3843 | __func__, len); |
1da177e4 LT |
3844 | bitmap[1] &= ~FATTR4_WORD1_OWNER; |
3845 | } | |
e5782076 | 3846 | dprintk("%s: uid=%d\n", __func__, (int)from_kuid(&init_user_ns, *uid)); |
409924e4 | 3847 | return ret; |
c0eae66e BH |
3848 | out_overflow: |
3849 | print_overflow_msg(__func__, xdr); | |
3850 | return -EIO; | |
1da177e4 LT |
3851 | } |
3852 | ||
80e52ace | 3853 | static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, |
e5782076 | 3854 | const struct nfs_server *server, kgid_t *gid, |
6926afd1 | 3855 | struct nfs4_string *group_name) |
1da177e4 | 3856 | { |
8687b63a AV |
3857 | uint32_t len; |
3858 | __be32 *p; | |
409924e4 | 3859 | int ret = 0; |
1da177e4 | 3860 | |
e5782076 | 3861 | *gid = make_kgid(&init_user_ns, -2); |
1da177e4 LT |
3862 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER_GROUP - 1U))) |
3863 | return -EIO; | |
3864 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER_GROUP)) { | |
c0eae66e BH |
3865 | p = xdr_inline_decode(xdr, 4); |
3866 | if (unlikely(!p)) | |
3867 | goto out_overflow; | |
cccddf4f | 3868 | len = be32_to_cpup(p); |
c0eae66e BH |
3869 | p = xdr_inline_decode(xdr, len); |
3870 | if (unlikely(!p)) | |
3871 | goto out_overflow; | |
6926afd1 TM |
3872 | if (group_name != NULL) { |
3873 | group_name->data = kmemdup(p, len, GFP_NOWAIT); | |
3874 | if (group_name->data != NULL) { | |
3875 | group_name->len = len; | |
3876 | ret = NFS_ATTR_FATTR_GROUP_NAME; | |
3877 | } | |
80e52ace | 3878 | } else if (len < XDR_MAX_NETOBJ) { |
e4fd72a1 | 3879 | if (nfs_map_group_to_gid(server, (char *)p, len, gid) == 0) |
409924e4 TM |
3880 | ret = NFS_ATTR_FATTR_GROUP; |
3881 | else | |
1da177e4 | 3882 | dprintk("%s: nfs_map_group_to_gid failed!\n", |
3110ff80 | 3883 | __func__); |
1da177e4 | 3884 | } else |
fe82a183 | 3885 | dprintk("%s: name too long (%u)!\n", |
3110ff80 | 3886 | __func__, len); |
1da177e4 LT |
3887 | bitmap[1] &= ~FATTR4_WORD1_OWNER_GROUP; |
3888 | } | |
e5782076 | 3889 | dprintk("%s: gid=%d\n", __func__, (int)from_kgid(&init_user_ns, *gid)); |
409924e4 | 3890 | return ret; |
c0eae66e BH |
3891 | out_overflow: |
3892 | print_overflow_msg(__func__, xdr); | |
3893 | return -EIO; | |
1da177e4 LT |
3894 | } |
3895 | ||
3896 | static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rdev) | |
3897 | { | |
8687b63a AV |
3898 | uint32_t major = 0, minor = 0; |
3899 | __be32 *p; | |
409924e4 | 3900 | int ret = 0; |
1da177e4 LT |
3901 | |
3902 | *rdev = MKDEV(0,0); | |
3903 | if (unlikely(bitmap[1] & (FATTR4_WORD1_RAWDEV - 1U))) | |
3904 | return -EIO; | |
3905 | if (likely(bitmap[1] & FATTR4_WORD1_RAWDEV)) { | |
3906 | dev_t tmp; | |
3907 | ||
c0eae66e BH |
3908 | p = xdr_inline_decode(xdr, 8); |
3909 | if (unlikely(!p)) | |
3910 | goto out_overflow; | |
6f723f77 | 3911 | major = be32_to_cpup(p++); |
cccddf4f | 3912 | minor = be32_to_cpup(p); |
1da177e4 LT |
3913 | tmp = MKDEV(major, minor); |
3914 | if (MAJOR(tmp) == major && MINOR(tmp) == minor) | |
3915 | *rdev = tmp; | |
3916 | bitmap[1] &= ~ FATTR4_WORD1_RAWDEV; | |
409924e4 | 3917 | ret = NFS_ATTR_FATTR_RDEV; |
1da177e4 | 3918 | } |
3110ff80 | 3919 | dprintk("%s: rdev=(0x%x:0x%x)\n", __func__, major, minor); |
409924e4 | 3920 | return ret; |
c0eae66e BH |
3921 | out_overflow: |
3922 | print_overflow_msg(__func__, xdr); | |
3923 | return -EIO; | |
1da177e4 LT |
3924 | } |
3925 | ||
3926 | static int decode_attr_space_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3927 | { | |
8687b63a | 3928 | __be32 *p; |
1da177e4 LT |
3929 | int status = 0; |
3930 | ||
3931 | *res = 0; | |
3932 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_AVAIL - 1U))) | |
3933 | return -EIO; | |
3934 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_AVAIL)) { | |
c0eae66e BH |
3935 | p = xdr_inline_decode(xdr, 8); |
3936 | if (unlikely(!p)) | |
3937 | goto out_overflow; | |
cccddf4f | 3938 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3939 | bitmap[1] &= ~FATTR4_WORD1_SPACE_AVAIL; |
3940 | } | |
3110ff80 | 3941 | dprintk("%s: space avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3942 | return status; |
c0eae66e BH |
3943 | out_overflow: |
3944 | print_overflow_msg(__func__, xdr); | |
3945 | return -EIO; | |
1da177e4 LT |
3946 | } |
3947 | ||
3948 | static int decode_attr_space_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3949 | { | |
8687b63a | 3950 | __be32 *p; |
1da177e4 LT |
3951 | int status = 0; |
3952 | ||
3953 | *res = 0; | |
3954 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_FREE - 1U))) | |
3955 | return -EIO; | |
3956 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_FREE)) { | |
c0eae66e BH |
3957 | p = xdr_inline_decode(xdr, 8); |
3958 | if (unlikely(!p)) | |
3959 | goto out_overflow; | |
cccddf4f | 3960 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3961 | bitmap[1] &= ~FATTR4_WORD1_SPACE_FREE; |
3962 | } | |
3110ff80 | 3963 | dprintk("%s: space free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3964 | return status; |
c0eae66e BH |
3965 | out_overflow: |
3966 | print_overflow_msg(__func__, xdr); | |
3967 | return -EIO; | |
1da177e4 LT |
3968 | } |
3969 | ||
3970 | static int decode_attr_space_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3971 | { | |
8687b63a | 3972 | __be32 *p; |
1da177e4 LT |
3973 | int status = 0; |
3974 | ||
3975 | *res = 0; | |
3976 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_TOTAL - 1U))) | |
3977 | return -EIO; | |
3978 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_TOTAL)) { | |
c0eae66e BH |
3979 | p = xdr_inline_decode(xdr, 8); |
3980 | if (unlikely(!p)) | |
3981 | goto out_overflow; | |
cccddf4f | 3982 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3983 | bitmap[1] &= ~FATTR4_WORD1_SPACE_TOTAL; |
3984 | } | |
3110ff80 | 3985 | dprintk("%s: space total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3986 | return status; |
c0eae66e BH |
3987 | out_overflow: |
3988 | print_overflow_msg(__func__, xdr); | |
3989 | return -EIO; | |
1da177e4 LT |
3990 | } |
3991 | ||
3992 | static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *used) | |
3993 | { | |
8687b63a | 3994 | __be32 *p; |
409924e4 | 3995 | int ret = 0; |
1da177e4 LT |
3996 | |
3997 | *used = 0; | |
3998 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_USED - 1U))) | |
3999 | return -EIO; | |
4000 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_USED)) { | |
c0eae66e BH |
4001 | p = xdr_inline_decode(xdr, 8); |
4002 | if (unlikely(!p)) | |
4003 | goto out_overflow; | |
cccddf4f | 4004 | xdr_decode_hyper(p, used); |
1da177e4 | 4005 | bitmap[1] &= ~FATTR4_WORD1_SPACE_USED; |
409924e4 | 4006 | ret = NFS_ATTR_FATTR_SPACE_USED; |
1da177e4 | 4007 | } |
3110ff80 | 4008 | dprintk("%s: space used=%Lu\n", __func__, |
1da177e4 | 4009 | (unsigned long long)*used); |
409924e4 | 4010 | return ret; |
c0eae66e BH |
4011 | out_overflow: |
4012 | print_overflow_msg(__func__, xdr); | |
4013 | return -EIO; | |
1da177e4 LT |
4014 | } |
4015 | ||
4016 | static int decode_attr_time(struct xdr_stream *xdr, struct timespec *time) | |
4017 | { | |
8687b63a | 4018 | __be32 *p; |
1da177e4 LT |
4019 | uint64_t sec; |
4020 | uint32_t nsec; | |
4021 | ||
c0eae66e BH |
4022 | p = xdr_inline_decode(xdr, 12); |
4023 | if (unlikely(!p)) | |
4024 | goto out_overflow; | |
3ceb4dbb | 4025 | p = xdr_decode_hyper(p, &sec); |
cccddf4f | 4026 | nsec = be32_to_cpup(p); |
1da177e4 LT |
4027 | time->tv_sec = (time_t)sec; |
4028 | time->tv_nsec = (long)nsec; | |
4029 | return 0; | |
c0eae66e BH |
4030 | out_overflow: |
4031 | print_overflow_msg(__func__, xdr); | |
4032 | return -EIO; | |
1da177e4 LT |
4033 | } |
4034 | ||
4035 | static int decode_attr_time_access(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
4036 | { | |
4037 | int status = 0; | |
4038 | ||
4039 | time->tv_sec = 0; | |
4040 | time->tv_nsec = 0; | |
4041 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_ACCESS - 1U))) | |
4042 | return -EIO; | |
4043 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_ACCESS)) { | |
4044 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4045 | if (status == 0) |
4046 | status = NFS_ATTR_FATTR_ATIME; | |
1da177e4 LT |
4047 | bitmap[1] &= ~FATTR4_WORD1_TIME_ACCESS; |
4048 | } | |
3110ff80 | 4049 | dprintk("%s: atime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
4050 | return status; |
4051 | } | |
4052 | ||
4053 | static int decode_attr_time_metadata(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
4054 | { | |
4055 | int status = 0; | |
4056 | ||
4057 | time->tv_sec = 0; | |
4058 | time->tv_nsec = 0; | |
4059 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_METADATA - 1U))) | |
4060 | return -EIO; | |
4061 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_METADATA)) { | |
4062 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4063 | if (status == 0) |
4064 | status = NFS_ATTR_FATTR_CTIME; | |
1da177e4 LT |
4065 | bitmap[1] &= ~FATTR4_WORD1_TIME_METADATA; |
4066 | } | |
3110ff80 | 4067 | dprintk("%s: ctime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
4068 | return status; |
4069 | } | |
4070 | ||
55b6e774 RL |
4071 | static int decode_attr_time_delta(struct xdr_stream *xdr, uint32_t *bitmap, |
4072 | struct timespec *time) | |
4073 | { | |
4074 | int status = 0; | |
4075 | ||
4076 | time->tv_sec = 0; | |
4077 | time->tv_nsec = 0; | |
4078 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_DELTA - 1U))) | |
4079 | return -EIO; | |
4080 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_DELTA)) { | |
4081 | status = decode_attr_time(xdr, time); | |
4082 | bitmap[1] &= ~FATTR4_WORD1_TIME_DELTA; | |
4083 | } | |
4084 | dprintk("%s: time_delta=%ld %ld\n", __func__, (long)time->tv_sec, | |
4085 | (long)time->tv_nsec); | |
4086 | return status; | |
4087 | } | |
4088 | ||
aa9c2669 DQ |
4089 | static int decode_attr_security_label(struct xdr_stream *xdr, uint32_t *bitmap, |
4090 | struct nfs4_label *label) | |
4091 | { | |
4092 | uint32_t pi = 0; | |
4093 | uint32_t lfs = 0; | |
4094 | __u32 len; | |
4095 | __be32 *p; | |
4096 | int status = 0; | |
4097 | ||
4098 | if (unlikely(bitmap[2] & (FATTR4_WORD2_SECURITY_LABEL - 1U))) | |
4099 | return -EIO; | |
4100 | if (likely(bitmap[2] & FATTR4_WORD2_SECURITY_LABEL)) { | |
4101 | p = xdr_inline_decode(xdr, 4); | |
4102 | if (unlikely(!p)) | |
4103 | goto out_overflow; | |
4104 | lfs = be32_to_cpup(p++); | |
4105 | p = xdr_inline_decode(xdr, 4); | |
4106 | if (unlikely(!p)) | |
4107 | goto out_overflow; | |
4108 | pi = be32_to_cpup(p++); | |
4109 | p = xdr_inline_decode(xdr, 4); | |
4110 | if (unlikely(!p)) | |
4111 | goto out_overflow; | |
4112 | len = be32_to_cpup(p++); | |
4113 | p = xdr_inline_decode(xdr, len); | |
4114 | if (unlikely(!p)) | |
4115 | goto out_overflow; | |
4116 | if (len < NFS4_MAXLABELLEN) { | |
4117 | if (label) { | |
4118 | memcpy(label->label, p, len); | |
4119 | label->len = len; | |
4120 | label->pi = pi; | |
4121 | label->lfs = lfs; | |
4122 | status = NFS_ATTR_FATTR_V4_SECURITY_LABEL; | |
4123 | } | |
4124 | bitmap[2] &= ~FATTR4_WORD2_SECURITY_LABEL; | |
4125 | } else | |
4126 | printk(KERN_WARNING "%s: label too long (%u)!\n", | |
4127 | __func__, len); | |
4128 | } | |
4129 | if (label && label->label) | |
4130 | dprintk("%s: label=%s, len=%d, PI=%d, LFS=%d\n", __func__, | |
4131 | (char *)label->label, label->len, label->pi, label->lfs); | |
4132 | return status; | |
4133 | ||
4134 | out_overflow: | |
4135 | print_overflow_msg(__func__, xdr); | |
4136 | return -EIO; | |
4137 | } | |
4138 | ||
1da177e4 LT |
4139 | static int decode_attr_time_modify(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) |
4140 | { | |
4141 | int status = 0; | |
4142 | ||
4143 | time->tv_sec = 0; | |
4144 | time->tv_nsec = 0; | |
4145 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_MODIFY - 1U))) | |
4146 | return -EIO; | |
4147 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_MODIFY)) { | |
4148 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4149 | if (status == 0) |
4150 | status = NFS_ATTR_FATTR_MTIME; | |
1da177e4 LT |
4151 | bitmap[1] &= ~FATTR4_WORD1_TIME_MODIFY; |
4152 | } | |
3110ff80 | 4153 | dprintk("%s: mtime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
4154 | return status; |
4155 | } | |
4156 | ||
256e48bb | 4157 | static int verify_attr_len(struct xdr_stream *xdr, unsigned int savep, uint32_t attrlen) |
1da177e4 LT |
4158 | { |
4159 | unsigned int attrwords = XDR_QUADLEN(attrlen); | |
256e48bb | 4160 | unsigned int nwords = (xdr_stream_pos(xdr) - savep) >> 2; |
1da177e4 LT |
4161 | |
4162 | if (unlikely(attrwords != nwords)) { | |
fe82a183 CL |
4163 | dprintk("%s: server returned incorrect attribute length: " |
4164 | "%u %c %u\n", | |
3110ff80 | 4165 | __func__, |
1da177e4 LT |
4166 | attrwords << 2, |
4167 | (attrwords < nwords) ? '<' : '>', | |
4168 | nwords << 2); | |
4169 | return -EIO; | |
4170 | } | |
4171 | return 0; | |
4172 | } | |
4173 | ||
4174 | static int decode_change_info(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4175 | { | |
8687b63a | 4176 | __be32 *p; |
1da177e4 | 4177 | |
c0eae66e BH |
4178 | p = xdr_inline_decode(xdr, 20); |
4179 | if (unlikely(!p)) | |
4180 | goto out_overflow; | |
6f723f77 | 4181 | cinfo->atomic = be32_to_cpup(p++); |
3ceb4dbb | 4182 | p = xdr_decode_hyper(p, &cinfo->before); |
cccddf4f | 4183 | xdr_decode_hyper(p, &cinfo->after); |
1da177e4 | 4184 | return 0; |
c0eae66e BH |
4185 | out_overflow: |
4186 | print_overflow_msg(__func__, xdr); | |
4187 | return -EIO; | |
1da177e4 LT |
4188 | } |
4189 | ||
6168f62c | 4190 | static int decode_access(struct xdr_stream *xdr, u32 *supported, u32 *access) |
1da177e4 | 4191 | { |
8687b63a | 4192 | __be32 *p; |
1da177e4 LT |
4193 | uint32_t supp, acc; |
4194 | int status; | |
4195 | ||
4196 | status = decode_op_hdr(xdr, OP_ACCESS); | |
4197 | if (status) | |
4198 | return status; | |
c0eae66e BH |
4199 | p = xdr_inline_decode(xdr, 8); |
4200 | if (unlikely(!p)) | |
4201 | goto out_overflow; | |
6f723f77 | 4202 | supp = be32_to_cpup(p++); |
cccddf4f | 4203 | acc = be32_to_cpup(p); |
6168f62c WAA |
4204 | *supported = supp; |
4205 | *access = acc; | |
1da177e4 | 4206 | return 0; |
c0eae66e BH |
4207 | out_overflow: |
4208 | print_overflow_msg(__func__, xdr); | |
4209 | return -EIO; | |
1da177e4 LT |
4210 | } |
4211 | ||
07d30434 | 4212 | static int decode_opaque_fixed(struct xdr_stream *xdr, void *buf, size_t len) |
1da177e4 | 4213 | { |
8687b63a | 4214 | __be32 *p; |
07d30434 BH |
4215 | |
4216 | p = xdr_inline_decode(xdr, len); | |
4217 | if (likely(p)) { | |
4218 | memcpy(buf, p, len); | |
4219 | return 0; | |
4220 | } | |
4221 | print_overflow_msg(__func__, xdr); | |
4222 | return -EIO; | |
4223 | } | |
4224 | ||
4225 | static int decode_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) | |
4226 | { | |
2d2f24ad | 4227 | return decode_opaque_fixed(xdr, stateid, NFS4_STATEID_SIZE); |
07d30434 BH |
4228 | } |
4229 | ||
4230 | static int decode_close(struct xdr_stream *xdr, struct nfs_closeres *res) | |
4231 | { | |
1da177e4 LT |
4232 | int status; |
4233 | ||
4234 | status = decode_op_hdr(xdr, OP_CLOSE); | |
c1d51931 TM |
4235 | if (status != -EIO) |
4236 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4237 | if (!status) |
4238 | status = decode_stateid(xdr, &res->stateid); | |
4239 | return status; | |
1da177e4 LT |
4240 | } |
4241 | ||
db942bbd BH |
4242 | static int decode_verifier(struct xdr_stream *xdr, void *verifier) |
4243 | { | |
cd93710e | 4244 | return decode_opaque_fixed(xdr, verifier, NFS4_VERIFIER_SIZE); |
1da177e4 LT |
4245 | } |
4246 | ||
2f2c63bc TM |
4247 | static int decode_write_verifier(struct xdr_stream *xdr, struct nfs_write_verifier *verifier) |
4248 | { | |
4249 | return decode_opaque_fixed(xdr, verifier->data, NFS4_VERIFIER_SIZE); | |
4250 | } | |
4251 | ||
0b7c0153 | 4252 | static int decode_commit(struct xdr_stream *xdr, struct nfs_commitres *res) |
1da177e4 | 4253 | { |
1da177e4 LT |
4254 | int status; |
4255 | ||
4256 | status = decode_op_hdr(xdr, OP_COMMIT); | |
db942bbd | 4257 | if (!status) |
2f2c63bc | 4258 | status = decode_write_verifier(xdr, &res->verf->verifier); |
db942bbd | 4259 | return status; |
1da177e4 LT |
4260 | } |
4261 | ||
4262 | static int decode_create(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4263 | { | |
8687b63a | 4264 | __be32 *p; |
1da177e4 LT |
4265 | uint32_t bmlen; |
4266 | int status; | |
4267 | ||
4268 | status = decode_op_hdr(xdr, OP_CREATE); | |
4269 | if (status) | |
4270 | return status; | |
4271 | if ((status = decode_change_info(xdr, cinfo))) | |
4272 | return status; | |
c0eae66e BH |
4273 | p = xdr_inline_decode(xdr, 4); |
4274 | if (unlikely(!p)) | |
4275 | goto out_overflow; | |
cccddf4f | 4276 | bmlen = be32_to_cpup(p); |
c0eae66e BH |
4277 | p = xdr_inline_decode(xdr, bmlen << 2); |
4278 | if (likely(p)) | |
4279 | return 0; | |
4280 | out_overflow: | |
4281 | print_overflow_msg(__func__, xdr); | |
4282 | return -EIO; | |
1da177e4 LT |
4283 | } |
4284 | ||
4285 | static int decode_server_caps(struct xdr_stream *xdr, struct nfs4_server_caps_res *res) | |
4286 | { | |
256e48bb | 4287 | unsigned int savep; |
dae100c2 | 4288 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 LT |
4289 | int status; |
4290 | ||
4291 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
4292 | goto xdr_error; | |
4293 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4294 | goto xdr_error; | |
4295 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4296 | goto xdr_error; | |
4297 | if ((status = decode_attr_supported(xdr, bitmap, res->attr_bitmask)) != 0) | |
4298 | goto xdr_error; | |
264e6351 CL |
4299 | if ((status = decode_attr_fh_expire_type(xdr, bitmap, |
4300 | &res->fh_expire_type)) != 0) | |
4301 | goto xdr_error; | |
1da177e4 LT |
4302 | if ((status = decode_attr_link_support(xdr, bitmap, &res->has_links)) != 0) |
4303 | goto xdr_error; | |
4304 | if ((status = decode_attr_symlink_support(xdr, bitmap, &res->has_symlinks)) != 0) | |
4305 | goto xdr_error; | |
4306 | if ((status = decode_attr_aclsupport(xdr, bitmap, &res->acl_bitmask)) != 0) | |
4307 | goto xdr_error; | |
4308 | status = verify_attr_len(xdr, savep, attrlen); | |
4309 | xdr_error: | |
3110ff80 | 4310 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4311 | return status; |
4312 | } | |
6c0195a4 | 4313 | |
1da177e4 LT |
4314 | static int decode_statfs(struct xdr_stream *xdr, struct nfs_fsstat *fsstat) |
4315 | { | |
256e48bb | 4316 | unsigned int savep; |
dae100c2 | 4317 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 | 4318 | int status; |
6c0195a4 | 4319 | |
1da177e4 LT |
4320 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
4321 | goto xdr_error; | |
4322 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4323 | goto xdr_error; | |
4324 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4325 | goto xdr_error; | |
4326 | ||
4327 | if ((status = decode_attr_files_avail(xdr, bitmap, &fsstat->afiles)) != 0) | |
4328 | goto xdr_error; | |
4329 | if ((status = decode_attr_files_free(xdr, bitmap, &fsstat->ffiles)) != 0) | |
4330 | goto xdr_error; | |
4331 | if ((status = decode_attr_files_total(xdr, bitmap, &fsstat->tfiles)) != 0) | |
4332 | goto xdr_error; | |
4333 | if ((status = decode_attr_space_avail(xdr, bitmap, &fsstat->abytes)) != 0) | |
4334 | goto xdr_error; | |
4335 | if ((status = decode_attr_space_free(xdr, bitmap, &fsstat->fbytes)) != 0) | |
4336 | goto xdr_error; | |
4337 | if ((status = decode_attr_space_total(xdr, bitmap, &fsstat->tbytes)) != 0) | |
4338 | goto xdr_error; | |
4339 | ||
4340 | status = verify_attr_len(xdr, savep, attrlen); | |
4341 | xdr_error: | |
3110ff80 | 4342 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4343 | return status; |
4344 | } | |
4345 | ||
4346 | static int decode_pathconf(struct xdr_stream *xdr, struct nfs_pathconf *pathconf) | |
4347 | { | |
256e48bb | 4348 | unsigned int savep; |
dae100c2 | 4349 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 | 4350 | int status; |
6c0195a4 | 4351 | |
1da177e4 LT |
4352 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
4353 | goto xdr_error; | |
4354 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4355 | goto xdr_error; | |
4356 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4357 | goto xdr_error; | |
4358 | ||
4359 | if ((status = decode_attr_maxlink(xdr, bitmap, &pathconf->max_link)) != 0) | |
4360 | goto xdr_error; | |
4361 | if ((status = decode_attr_maxname(xdr, bitmap, &pathconf->max_namelen)) != 0) | |
4362 | goto xdr_error; | |
4363 | ||
4364 | status = verify_attr_len(xdr, savep, attrlen); | |
4365 | xdr_error: | |
3110ff80 | 4366 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4367 | return status; |
4368 | } | |
4369 | ||
88034c3d AA |
4370 | static int decode_threshold_hint(struct xdr_stream *xdr, |
4371 | uint32_t *bitmap, | |
4372 | uint64_t *res, | |
4373 | uint32_t hint_bit) | |
4374 | { | |
4375 | __be32 *p; | |
4376 | ||
4377 | *res = 0; | |
4378 | if (likely(bitmap[0] & hint_bit)) { | |
4379 | p = xdr_inline_decode(xdr, 8); | |
4380 | if (unlikely(!p)) | |
4381 | goto out_overflow; | |
4382 | xdr_decode_hyper(p, res); | |
4383 | } | |
4384 | return 0; | |
4385 | out_overflow: | |
4386 | print_overflow_msg(__func__, xdr); | |
4387 | return -EIO; | |
4388 | } | |
4389 | ||
4390 | static int decode_first_threshold_item4(struct xdr_stream *xdr, | |
4391 | struct nfs4_threshold *res) | |
4392 | { | |
256e48bb TM |
4393 | __be32 *p; |
4394 | unsigned int savep; | |
88034c3d AA |
4395 | uint32_t bitmap[3] = {0,}, attrlen; |
4396 | int status; | |
4397 | ||
4398 | /* layout type */ | |
4399 | p = xdr_inline_decode(xdr, 4); | |
4400 | if (unlikely(!p)) { | |
4401 | print_overflow_msg(__func__, xdr); | |
4402 | return -EIO; | |
4403 | } | |
4404 | res->l_type = be32_to_cpup(p); | |
4405 | ||
4406 | /* thi_hintset bitmap */ | |
4407 | status = decode_attr_bitmap(xdr, bitmap); | |
4408 | if (status < 0) | |
4409 | goto xdr_error; | |
4410 | ||
4411 | /* thi_hintlist length */ | |
4412 | status = decode_attr_length(xdr, &attrlen, &savep); | |
4413 | if (status < 0) | |
4414 | goto xdr_error; | |
4415 | /* thi_hintlist */ | |
4416 | status = decode_threshold_hint(xdr, bitmap, &res->rd_sz, THRESHOLD_RD); | |
4417 | if (status < 0) | |
4418 | goto xdr_error; | |
4419 | status = decode_threshold_hint(xdr, bitmap, &res->wr_sz, THRESHOLD_WR); | |
4420 | if (status < 0) | |
4421 | goto xdr_error; | |
4422 | status = decode_threshold_hint(xdr, bitmap, &res->rd_io_sz, | |
4423 | THRESHOLD_RD_IO); | |
4424 | if (status < 0) | |
4425 | goto xdr_error; | |
4426 | status = decode_threshold_hint(xdr, bitmap, &res->wr_io_sz, | |
4427 | THRESHOLD_WR_IO); | |
4428 | if (status < 0) | |
4429 | goto xdr_error; | |
4430 | ||
4431 | status = verify_attr_len(xdr, savep, attrlen); | |
4432 | res->bm = bitmap[0]; | |
4433 | ||
4434 | dprintk("%s bm=0x%x rd_sz=%llu wr_sz=%llu rd_io=%llu wr_io=%llu\n", | |
4435 | __func__, res->bm, res->rd_sz, res->wr_sz, res->rd_io_sz, | |
4436 | res->wr_io_sz); | |
4437 | xdr_error: | |
4438 | dprintk("%s ret=%d!\n", __func__, status); | |
4439 | return status; | |
4440 | } | |
4441 | ||
4442 | /* | |
4443 | * Thresholds on pNFS direct I/O vrs MDS I/O | |
4444 | */ | |
4445 | static int decode_attr_mdsthreshold(struct xdr_stream *xdr, | |
4446 | uint32_t *bitmap, | |
4447 | struct nfs4_threshold *res) | |
4448 | { | |
4449 | __be32 *p; | |
4450 | int status = 0; | |
4451 | uint32_t num; | |
4452 | ||
4453 | if (unlikely(bitmap[2] & (FATTR4_WORD2_MDSTHRESHOLD - 1U))) | |
4454 | return -EIO; | |
029c5347 | 4455 | if (bitmap[2] & FATTR4_WORD2_MDSTHRESHOLD) { |
1549210f TM |
4456 | /* Did the server return an unrequested attribute? */ |
4457 | if (unlikely(res == NULL)) | |
4458 | return -EREMOTEIO; | |
88034c3d AA |
4459 | p = xdr_inline_decode(xdr, 4); |
4460 | if (unlikely(!p)) | |
4461 | goto out_overflow; | |
4462 | num = be32_to_cpup(p); | |
4463 | if (num == 0) | |
4464 | return 0; | |
4465 | if (num > 1) | |
4466 | printk(KERN_INFO "%s: Warning: Multiple pNFS layout " | |
4467 | "drivers per filesystem not supported\n", | |
4468 | __func__); | |
4469 | ||
4470 | status = decode_first_threshold_item4(xdr, res); | |
029c5347 | 4471 | bitmap[2] &= ~FATTR4_WORD2_MDSTHRESHOLD; |
88034c3d AA |
4472 | } |
4473 | return status; | |
4474 | out_overflow: | |
4475 | print_overflow_msg(__func__, xdr); | |
4476 | return -EIO; | |
4477 | } | |
4478 | ||
ae42c70a BS |
4479 | static int decode_getfattr_attrs(struct xdr_stream *xdr, uint32_t *bitmap, |
4480 | struct nfs_fattr *fattr, struct nfs_fh *fh, | |
aa9c2669 | 4481 | struct nfs4_fs_locations *fs_loc, struct nfs4_label *label, |
6926afd1 | 4482 | const struct nfs_server *server) |
1da177e4 | 4483 | { |
bca79478 TM |
4484 | int status; |
4485 | umode_t fmode = 0; | |
ae42c70a | 4486 | uint32_t type; |
ee7b75fc | 4487 | int32_t err; |
1da177e4 | 4488 | |
f26c7a78 TM |
4489 | status = decode_attr_type(xdr, bitmap, &type); |
4490 | if (status < 0) | |
1da177e4 | 4491 | goto xdr_error; |
409924e4 TM |
4492 | fattr->mode = 0; |
4493 | if (status != 0) { | |
4494 | fattr->mode |= nfs_type2fmt[type]; | |
4495 | fattr->valid |= status; | |
4496 | } | |
1da177e4 | 4497 | |
f26c7a78 TM |
4498 | status = decode_attr_change(xdr, bitmap, &fattr->change_attr); |
4499 | if (status < 0) | |
1da177e4 | 4500 | goto xdr_error; |
409924e4 | 4501 | fattr->valid |= status; |
f26c7a78 TM |
4502 | |
4503 | status = decode_attr_size(xdr, bitmap, &fattr->size); | |
4504 | if (status < 0) | |
1da177e4 | 4505 | goto xdr_error; |
409924e4 | 4506 | fattr->valid |= status; |
f26c7a78 TM |
4507 | |
4508 | status = decode_attr_fsid(xdr, bitmap, &fattr->fsid); | |
4509 | if (status < 0) | |
1da177e4 | 4510 | goto xdr_error; |
409924e4 | 4511 | fattr->valid |= status; |
f26c7a78 | 4512 | |
ee7b75fc TM |
4513 | err = 0; |
4514 | status = decode_attr_error(xdr, bitmap, &err); | |
ae42c70a BS |
4515 | if (status < 0) |
4516 | goto xdr_error; | |
4517 | ||
4518 | status = decode_attr_filehandle(xdr, bitmap, fh); | |
4519 | if (status < 0) | |
4520 | goto xdr_error; | |
4521 | ||
f26c7a78 TM |
4522 | status = decode_attr_fileid(xdr, bitmap, &fattr->fileid); |
4523 | if (status < 0) | |
1da177e4 | 4524 | goto xdr_error; |
409924e4 | 4525 | fattr->valid |= status; |
f26c7a78 | 4526 | |
8b7e3f49 | 4527 | status = decode_attr_fs_locations(xdr, bitmap, fs_loc); |
f26c7a78 | 4528 | if (status < 0) |
683b57b4 | 4529 | goto xdr_error; |
409924e4 | 4530 | fattr->valid |= status; |
f26c7a78 TM |
4531 | |
4532 | status = decode_attr_mode(xdr, bitmap, &fmode); | |
4533 | if (status < 0) | |
1da177e4 | 4534 | goto xdr_error; |
409924e4 TM |
4535 | if (status != 0) { |
4536 | fattr->mode |= fmode; | |
4537 | fattr->valid |= status; | |
4538 | } | |
f26c7a78 TM |
4539 | |
4540 | status = decode_attr_nlink(xdr, bitmap, &fattr->nlink); | |
4541 | if (status < 0) | |
1da177e4 | 4542 | goto xdr_error; |
409924e4 | 4543 | fattr->valid |= status; |
f26c7a78 | 4544 | |
6926afd1 | 4545 | status = decode_attr_owner(xdr, bitmap, server, &fattr->uid, fattr->owner_name); |
f26c7a78 | 4546 | if (status < 0) |
1da177e4 | 4547 | goto xdr_error; |
409924e4 | 4548 | fattr->valid |= status; |
f26c7a78 | 4549 | |
6926afd1 | 4550 | status = decode_attr_group(xdr, bitmap, server, &fattr->gid, fattr->group_name); |
f26c7a78 | 4551 | if (status < 0) |
1da177e4 | 4552 | goto xdr_error; |
409924e4 | 4553 | fattr->valid |= status; |
f26c7a78 TM |
4554 | |
4555 | status = decode_attr_rdev(xdr, bitmap, &fattr->rdev); | |
4556 | if (status < 0) | |
1da177e4 | 4557 | goto xdr_error; |
409924e4 | 4558 | fattr->valid |= status; |
f26c7a78 TM |
4559 | |
4560 | status = decode_attr_space_used(xdr, bitmap, &fattr->du.nfs3.used); | |
4561 | if (status < 0) | |
1da177e4 | 4562 | goto xdr_error; |
409924e4 | 4563 | fattr->valid |= status; |
f26c7a78 TM |
4564 | |
4565 | status = decode_attr_time_access(xdr, bitmap, &fattr->atime); | |
4566 | if (status < 0) | |
1da177e4 | 4567 | goto xdr_error; |
409924e4 | 4568 | fattr->valid |= status; |
f26c7a78 TM |
4569 | |
4570 | status = decode_attr_time_metadata(xdr, bitmap, &fattr->ctime); | |
4571 | if (status < 0) | |
1da177e4 | 4572 | goto xdr_error; |
409924e4 | 4573 | fattr->valid |= status; |
f26c7a78 TM |
4574 | |
4575 | status = decode_attr_time_modify(xdr, bitmap, &fattr->mtime); | |
4576 | if (status < 0) | |
1da177e4 | 4577 | goto xdr_error; |
409924e4 | 4578 | fattr->valid |= status; |
f26c7a78 | 4579 | |
28331a46 | 4580 | status = decode_attr_mounted_on_fileid(xdr, bitmap, &fattr->mounted_on_fileid); |
f26c7a78 | 4581 | if (status < 0) |
99baf625 | 4582 | goto xdr_error; |
28331a46 | 4583 | fattr->valid |= status; |
f26c7a78 | 4584 | |
88034c3d AA |
4585 | status = decode_attr_mdsthreshold(xdr, bitmap, fattr->mdsthreshold); |
4586 | if (status < 0) | |
4587 | goto xdr_error; | |
4588 | ||
aa9c2669 DQ |
4589 | if (label) { |
4590 | status = decode_attr_security_label(xdr, bitmap, label); | |
4591 | if (status < 0) | |
4592 | goto xdr_error; | |
4593 | fattr->valid |= status; | |
4594 | } | |
4595 | ||
ae42c70a BS |
4596 | xdr_error: |
4597 | dprintk("%s: xdr returned %d\n", __func__, -status); | |
4598 | return status; | |
4599 | } | |
4600 | ||
4601 | static int decode_getfattr_generic(struct xdr_stream *xdr, struct nfs_fattr *fattr, | |
8b7e3f49 | 4602 | struct nfs_fh *fh, struct nfs4_fs_locations *fs_loc, |
aa9c2669 | 4603 | struct nfs4_label *label, const struct nfs_server *server) |
ae42c70a | 4604 | { |
256e48bb | 4605 | unsigned int savep; |
ae42c70a | 4606 | uint32_t attrlen, |
dae100c2 | 4607 | bitmap[3] = {0}; |
ae42c70a BS |
4608 | int status; |
4609 | ||
4610 | status = decode_op_hdr(xdr, OP_GETATTR); | |
4611 | if (status < 0) | |
4612 | goto xdr_error; | |
4613 | ||
4614 | status = decode_attr_bitmap(xdr, bitmap); | |
4615 | if (status < 0) | |
4616 | goto xdr_error; | |
4617 | ||
4618 | status = decode_attr_length(xdr, &attrlen, &savep); | |
4619 | if (status < 0) | |
4620 | goto xdr_error; | |
4621 | ||
aa9c2669 DQ |
4622 | status = decode_getfattr_attrs(xdr, bitmap, fattr, fh, fs_loc, |
4623 | label, server); | |
ae42c70a BS |
4624 | if (status < 0) |
4625 | goto xdr_error; | |
4626 | ||
f26c7a78 | 4627 | status = verify_attr_len(xdr, savep, attrlen); |
1da177e4 | 4628 | xdr_error: |
3110ff80 | 4629 | dprintk("%s: xdr returned %d\n", __func__, -status); |
1da177e4 LT |
4630 | return status; |
4631 | } | |
4632 | ||
aa9c2669 DQ |
4633 | static int decode_getfattr_label(struct xdr_stream *xdr, struct nfs_fattr *fattr, |
4634 | struct nfs4_label *label, const struct nfs_server *server) | |
4635 | { | |
4636 | return decode_getfattr_generic(xdr, fattr, NULL, NULL, label, server); | |
4637 | } | |
4638 | ||
ae42c70a | 4639 | static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr, |
6926afd1 | 4640 | const struct nfs_server *server) |
ae42c70a | 4641 | { |
aa9c2669 | 4642 | return decode_getfattr_generic(xdr, fattr, NULL, NULL, NULL, server); |
ae42c70a | 4643 | } |
1da177e4 | 4644 | |
504913fb AA |
4645 | /* |
4646 | * Decode potentially multiple layout types. Currently we only support | |
4647 | * one layout driver per file system. | |
4648 | */ | |
4649 | static int decode_first_pnfs_layout_type(struct xdr_stream *xdr, | |
4650 | uint32_t *layouttype) | |
4651 | { | |
4652 | uint32_t *p; | |
4653 | int num; | |
4654 | ||
4655 | p = xdr_inline_decode(xdr, 4); | |
4656 | if (unlikely(!p)) | |
4657 | goto out_overflow; | |
4658 | num = be32_to_cpup(p); | |
4659 | ||
4660 | /* pNFS is not supported by the underlying file system */ | |
4661 | if (num == 0) { | |
4662 | *layouttype = 0; | |
4663 | return 0; | |
4664 | } | |
4665 | if (num > 1) | |
a030889a WAA |
4666 | printk(KERN_INFO "NFS: %s: Warning: Multiple pNFS layout " |
4667 | "drivers per filesystem not supported\n", __func__); | |
504913fb AA |
4668 | |
4669 | /* Decode and set first layout type, move xdr->p past unused types */ | |
4670 | p = xdr_inline_decode(xdr, num * 4); | |
4671 | if (unlikely(!p)) | |
4672 | goto out_overflow; | |
4673 | *layouttype = be32_to_cpup(p); | |
4674 | return 0; | |
4675 | out_overflow: | |
4676 | print_overflow_msg(__func__, xdr); | |
4677 | return -EIO; | |
4678 | } | |
4679 | ||
4680 | /* | |
4681 | * The type of file system exported. | |
4682 | * Note we must ensure that layouttype is set in any non-error case. | |
4683 | */ | |
4684 | static int decode_attr_pnfstype(struct xdr_stream *xdr, uint32_t *bitmap, | |
4685 | uint32_t *layouttype) | |
4686 | { | |
4687 | int status = 0; | |
4688 | ||
4689 | dprintk("%s: bitmap is %x\n", __func__, bitmap[1]); | |
4690 | if (unlikely(bitmap[1] & (FATTR4_WORD1_FS_LAYOUT_TYPES - 1U))) | |
4691 | return -EIO; | |
4692 | if (bitmap[1] & FATTR4_WORD1_FS_LAYOUT_TYPES) { | |
4693 | status = decode_first_pnfs_layout_type(xdr, layouttype); | |
4694 | bitmap[1] &= ~FATTR4_WORD1_FS_LAYOUT_TYPES; | |
4695 | } else | |
4696 | *layouttype = 0; | |
4697 | return status; | |
4698 | } | |
4699 | ||
dae100c2 FI |
4700 | /* |
4701 | * The prefered block size for layout directed io | |
4702 | */ | |
4703 | static int decode_attr_layout_blksize(struct xdr_stream *xdr, uint32_t *bitmap, | |
4704 | uint32_t *res) | |
4705 | { | |
4706 | __be32 *p; | |
4707 | ||
4708 | dprintk("%s: bitmap is %x\n", __func__, bitmap[2]); | |
4709 | *res = 0; | |
4710 | if (bitmap[2] & FATTR4_WORD2_LAYOUT_BLKSIZE) { | |
4711 | p = xdr_inline_decode(xdr, 4); | |
4712 | if (unlikely(!p)) { | |
4713 | print_overflow_msg(__func__, xdr); | |
4714 | return -EIO; | |
4715 | } | |
4716 | *res = be32_to_cpup(p); | |
4717 | bitmap[2] &= ~FATTR4_WORD2_LAYOUT_BLKSIZE; | |
4718 | } | |
4719 | return 0; | |
4720 | } | |
4721 | ||
1da177e4 LT |
4722 | static int decode_fsinfo(struct xdr_stream *xdr, struct nfs_fsinfo *fsinfo) |
4723 | { | |
256e48bb | 4724 | unsigned int savep; |
dae100c2 | 4725 | uint32_t attrlen, bitmap[3]; |
1da177e4 LT |
4726 | int status; |
4727 | ||
4728 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
4729 | goto xdr_error; | |
4730 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4731 | goto xdr_error; | |
4732 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4733 | goto xdr_error; | |
4734 | ||
4735 | fsinfo->rtmult = fsinfo->wtmult = 512; /* ??? */ | |
4736 | ||
4737 | if ((status = decode_attr_lease_time(xdr, bitmap, &fsinfo->lease_time)) != 0) | |
4738 | goto xdr_error; | |
4739 | if ((status = decode_attr_maxfilesize(xdr, bitmap, &fsinfo->maxfilesize)) != 0) | |
4740 | goto xdr_error; | |
4741 | if ((status = decode_attr_maxread(xdr, bitmap, &fsinfo->rtmax)) != 0) | |
4742 | goto xdr_error; | |
4743 | fsinfo->rtpref = fsinfo->dtpref = fsinfo->rtmax; | |
4744 | if ((status = decode_attr_maxwrite(xdr, bitmap, &fsinfo->wtmax)) != 0) | |
4745 | goto xdr_error; | |
4746 | fsinfo->wtpref = fsinfo->wtmax; | |
55b6e774 | 4747 | status = decode_attr_time_delta(xdr, bitmap, &fsinfo->time_delta); |
504913fb AA |
4748 | if (status != 0) |
4749 | goto xdr_error; | |
4750 | status = decode_attr_pnfstype(xdr, bitmap, &fsinfo->layouttype); | |
55b6e774 RL |
4751 | if (status != 0) |
4752 | goto xdr_error; | |
dae100c2 FI |
4753 | status = decode_attr_layout_blksize(xdr, bitmap, &fsinfo->blksize); |
4754 | if (status) | |
4755 | goto xdr_error; | |
1da177e4 LT |
4756 | |
4757 | status = verify_attr_len(xdr, savep, attrlen); | |
4758 | xdr_error: | |
3110ff80 | 4759 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4760 | return status; |
4761 | } | |
4762 | ||
4763 | static int decode_getfh(struct xdr_stream *xdr, struct nfs_fh *fh) | |
4764 | { | |
8687b63a | 4765 | __be32 *p; |
1da177e4 LT |
4766 | uint32_t len; |
4767 | int status; | |
4768 | ||
9936781d TM |
4769 | /* Zero handle first to allow comparisons */ |
4770 | memset(fh, 0, sizeof(*fh)); | |
4771 | ||
1da177e4 LT |
4772 | status = decode_op_hdr(xdr, OP_GETFH); |
4773 | if (status) | |
4774 | return status; | |
1da177e4 | 4775 | |
c0eae66e BH |
4776 | p = xdr_inline_decode(xdr, 4); |
4777 | if (unlikely(!p)) | |
4778 | goto out_overflow; | |
cccddf4f | 4779 | len = be32_to_cpup(p); |
1da177e4 LT |
4780 | if (len > NFS4_FHSIZE) |
4781 | return -EIO; | |
4782 | fh->size = len; | |
c0eae66e BH |
4783 | p = xdr_inline_decode(xdr, len); |
4784 | if (unlikely(!p)) | |
4785 | goto out_overflow; | |
99398d06 | 4786 | memcpy(fh->data, p, len); |
1da177e4 | 4787 | return 0; |
c0eae66e BH |
4788 | out_overflow: |
4789 | print_overflow_msg(__func__, xdr); | |
4790 | return -EIO; | |
1da177e4 LT |
4791 | } |
4792 | ||
4793 | static int decode_link(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4794 | { | |
4795 | int status; | |
6c0195a4 | 4796 | |
1da177e4 LT |
4797 | status = decode_op_hdr(xdr, OP_LINK); |
4798 | if (status) | |
4799 | return status; | |
4800 | return decode_change_info(xdr, cinfo); | |
4801 | } | |
4802 | ||
4803 | /* | |
4804 | * We create the owner, so we know a proper owner.id length is 4. | |
4805 | */ | |
911d1aaf | 4806 | static int decode_lock_denied (struct xdr_stream *xdr, struct file_lock *fl) |
1da177e4 | 4807 | { |
911d1aaf | 4808 | uint64_t offset, length, clientid; |
8687b63a | 4809 | __be32 *p; |
911d1aaf | 4810 | uint32_t namelen, type; |
1da177e4 | 4811 | |
babddc72 | 4812 | p = xdr_inline_decode(xdr, 32); /* read 32 bytes */ |
c0eae66e BH |
4813 | if (unlikely(!p)) |
4814 | goto out_overflow; | |
babddc72 | 4815 | p = xdr_decode_hyper(p, &offset); /* read 2 8-byte long words */ |
3ceb4dbb | 4816 | p = xdr_decode_hyper(p, &length); |
babddc72 BS |
4817 | type = be32_to_cpup(p++); /* 4 byte read */ |
4818 | if (fl != NULL) { /* manipulate file lock */ | |
911d1aaf TM |
4819 | fl->fl_start = (loff_t)offset; |
4820 | fl->fl_end = fl->fl_start + (loff_t)length - 1; | |
4821 | if (length == ~(uint64_t)0) | |
4822 | fl->fl_end = OFFSET_MAX; | |
4823 | fl->fl_type = F_WRLCK; | |
4824 | if (type & 1) | |
4825 | fl->fl_type = F_RDLCK; | |
4826 | fl->fl_pid = 0; | |
4827 | } | |
babddc72 BS |
4828 | p = xdr_decode_hyper(p, &clientid); /* read 8 bytes */ |
4829 | namelen = be32_to_cpup(p); /* read 4 bytes */ /* have read all 32 bytes now */ | |
4830 | p = xdr_inline_decode(xdr, namelen); /* variable size field */ | |
c0eae66e BH |
4831 | if (likely(p)) |
4832 | return -NFS4ERR_DENIED; | |
4833 | out_overflow: | |
4834 | print_overflow_msg(__func__, xdr); | |
4835 | return -EIO; | |
1da177e4 LT |
4836 | } |
4837 | ||
911d1aaf | 4838 | static int decode_lock(struct xdr_stream *xdr, struct nfs_lock_res *res) |
1da177e4 | 4839 | { |
1da177e4 LT |
4840 | int status; |
4841 | ||
4842 | status = decode_op_hdr(xdr, OP_LOCK); | |
c1d51931 TM |
4843 | if (status == -EIO) |
4844 | goto out; | |
1da177e4 | 4845 | if (status == 0) { |
07d30434 BH |
4846 | status = decode_stateid(xdr, &res->stateid); |
4847 | if (unlikely(status)) | |
4848 | goto out; | |
1da177e4 | 4849 | } else if (status == -NFS4ERR_DENIED) |
c1d51931 TM |
4850 | status = decode_lock_denied(xdr, NULL); |
4851 | if (res->open_seqid != NULL) | |
4852 | nfs_increment_open_seqid(status, res->open_seqid); | |
4853 | nfs_increment_lock_seqid(status, res->lock_seqid); | |
4854 | out: | |
1da177e4 LT |
4855 | return status; |
4856 | } | |
4857 | ||
911d1aaf | 4858 | static int decode_lockt(struct xdr_stream *xdr, struct nfs_lockt_res *res) |
1da177e4 LT |
4859 | { |
4860 | int status; | |
4861 | status = decode_op_hdr(xdr, OP_LOCKT); | |
4862 | if (status == -NFS4ERR_DENIED) | |
911d1aaf | 4863 | return decode_lock_denied(xdr, res->denied); |
1da177e4 LT |
4864 | return status; |
4865 | } | |
4866 | ||
911d1aaf | 4867 | static int decode_locku(struct xdr_stream *xdr, struct nfs_locku_res *res) |
1da177e4 | 4868 | { |
1da177e4 LT |
4869 | int status; |
4870 | ||
4871 | status = decode_op_hdr(xdr, OP_LOCKU); | |
c1d51931 TM |
4872 | if (status != -EIO) |
4873 | nfs_increment_lock_seqid(status, res->seqid); | |
07d30434 BH |
4874 | if (status == 0) |
4875 | status = decode_stateid(xdr, &res->stateid); | |
1da177e4 LT |
4876 | return status; |
4877 | } | |
4878 | ||
d3c7b7cc TM |
4879 | static int decode_release_lockowner(struct xdr_stream *xdr) |
4880 | { | |
4881 | return decode_op_hdr(xdr, OP_RELEASE_LOCKOWNER); | |
4882 | } | |
4883 | ||
1da177e4 LT |
4884 | static int decode_lookup(struct xdr_stream *xdr) |
4885 | { | |
4886 | return decode_op_hdr(xdr, OP_LOOKUP); | |
4887 | } | |
4888 | ||
4889 | /* This is too sick! */ | |
4890 | static int decode_space_limit(struct xdr_stream *xdr, u64 *maxsize) | |
4891 | { | |
05d564fe | 4892 | __be32 *p; |
1da177e4 LT |
4893 | uint32_t limit_type, nblocks, blocksize; |
4894 | ||
c0eae66e BH |
4895 | p = xdr_inline_decode(xdr, 12); |
4896 | if (unlikely(!p)) | |
4897 | goto out_overflow; | |
6f723f77 | 4898 | limit_type = be32_to_cpup(p++); |
1da177e4 | 4899 | switch (limit_type) { |
05d564fe | 4900 | case 1: |
cccddf4f | 4901 | xdr_decode_hyper(p, maxsize); |
05d564fe AA |
4902 | break; |
4903 | case 2: | |
6f723f77 | 4904 | nblocks = be32_to_cpup(p++); |
cccddf4f | 4905 | blocksize = be32_to_cpup(p); |
05d564fe | 4906 | *maxsize = (uint64_t)nblocks * (uint64_t)blocksize; |
1da177e4 LT |
4907 | } |
4908 | return 0; | |
c0eae66e BH |
4909 | out_overflow: |
4910 | print_overflow_msg(__func__, xdr); | |
4911 | return -EIO; | |
1da177e4 LT |
4912 | } |
4913 | ||
4914 | static int decode_delegation(struct xdr_stream *xdr, struct nfs_openres *res) | |
4915 | { | |
05d564fe AA |
4916 | __be32 *p; |
4917 | uint32_t delegation_type; | |
07d30434 | 4918 | int status; |
1da177e4 | 4919 | |
c0eae66e BH |
4920 | p = xdr_inline_decode(xdr, 4); |
4921 | if (unlikely(!p)) | |
4922 | goto out_overflow; | |
cccddf4f | 4923 | delegation_type = be32_to_cpup(p); |
1da177e4 LT |
4924 | if (delegation_type == NFS4_OPEN_DELEGATE_NONE) { |
4925 | res->delegation_type = 0; | |
4926 | return 0; | |
4927 | } | |
07d30434 BH |
4928 | status = decode_stateid(xdr, &res->delegation); |
4929 | if (unlikely(status)) | |
4930 | return status; | |
c0eae66e BH |
4931 | p = xdr_inline_decode(xdr, 4); |
4932 | if (unlikely(!p)) | |
4933 | goto out_overflow; | |
cccddf4f | 4934 | res->do_recall = be32_to_cpup(p); |
05d564fe | 4935 | |
1da177e4 | 4936 | switch (delegation_type) { |
05d564fe AA |
4937 | case NFS4_OPEN_DELEGATE_READ: |
4938 | res->delegation_type = FMODE_READ; | |
4939 | break; | |
4940 | case NFS4_OPEN_DELEGATE_WRITE: | |
4941 | res->delegation_type = FMODE_WRITE|FMODE_READ; | |
4942 | if (decode_space_limit(xdr, &res->maxsize) < 0) | |
1da177e4 LT |
4943 | return -EIO; |
4944 | } | |
7539bbab | 4945 | return decode_ace(xdr, NULL, res->server->nfs_client); |
c0eae66e BH |
4946 | out_overflow: |
4947 | print_overflow_msg(__func__, xdr); | |
4948 | return -EIO; | |
1da177e4 LT |
4949 | } |
4950 | ||
4951 | static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res) | |
4952 | { | |
05d564fe | 4953 | __be32 *p; |
aa53ed54 | 4954 | uint32_t savewords, bmlen, i; |
05d564fe | 4955 | int status; |
1da177e4 | 4956 | |
05d564fe | 4957 | status = decode_op_hdr(xdr, OP_OPEN); |
c1d51931 TM |
4958 | if (status != -EIO) |
4959 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4960 | if (!status) |
4961 | status = decode_stateid(xdr, &res->stateid); | |
4962 | if (unlikely(status)) | |
05d564fe | 4963 | return status; |
1da177e4 | 4964 | |
05d564fe | 4965 | decode_change_info(xdr, &res->cinfo); |
1da177e4 | 4966 | |
c0eae66e BH |
4967 | p = xdr_inline_decode(xdr, 8); |
4968 | if (unlikely(!p)) | |
4969 | goto out_overflow; | |
6f723f77 | 4970 | res->rflags = be32_to_cpup(p++); |
cccddf4f | 4971 | bmlen = be32_to_cpup(p); |
05d564fe AA |
4972 | if (bmlen > 10) |
4973 | goto xdr_error; | |
1da177e4 | 4974 | |
c0eae66e BH |
4975 | p = xdr_inline_decode(xdr, bmlen << 2); |
4976 | if (unlikely(!p)) | |
4977 | goto out_overflow; | |
aa53ed54 JL |
4978 | savewords = min_t(uint32_t, bmlen, NFS4_BITMAP_SIZE); |
4979 | for (i = 0; i < savewords; ++i) | |
6f723f77 | 4980 | res->attrset[i] = be32_to_cpup(p++); |
aa53ed54 JL |
4981 | for (; i < NFS4_BITMAP_SIZE; i++) |
4982 | res->attrset[i] = 0; | |
4983 | ||
1da177e4 LT |
4984 | return decode_delegation(xdr, res); |
4985 | xdr_error: | |
3110ff80 | 4986 | dprintk("%s: Bitmap too large! Length = %u\n", __func__, bmlen); |
1da177e4 | 4987 | return -EIO; |
c0eae66e BH |
4988 | out_overflow: |
4989 | print_overflow_msg(__func__, xdr); | |
4990 | return -EIO; | |
1da177e4 LT |
4991 | } |
4992 | ||
4993 | static int decode_open_confirm(struct xdr_stream *xdr, struct nfs_open_confirmres *res) | |
4994 | { | |
1da177e4 LT |
4995 | int status; |
4996 | ||
05d564fe | 4997 | status = decode_op_hdr(xdr, OP_OPEN_CONFIRM); |
c1d51931 TM |
4998 | if (status != -EIO) |
4999 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
5000 | if (!status) |
5001 | status = decode_stateid(xdr, &res->stateid); | |
5002 | return status; | |
1da177e4 LT |
5003 | } |
5004 | ||
5005 | static int decode_open_downgrade(struct xdr_stream *xdr, struct nfs_closeres *res) | |
5006 | { | |
1da177e4 LT |
5007 | int status; |
5008 | ||
5009 | status = decode_op_hdr(xdr, OP_OPEN_DOWNGRADE); | |
c1d51931 TM |
5010 | if (status != -EIO) |
5011 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
5012 | if (!status) |
5013 | status = decode_stateid(xdr, &res->stateid); | |
5014 | return status; | |
1da177e4 LT |
5015 | } |
5016 | ||
5017 | static int decode_putfh(struct xdr_stream *xdr) | |
5018 | { | |
5019 | return decode_op_hdr(xdr, OP_PUTFH); | |
5020 | } | |
5021 | ||
5022 | static int decode_putrootfh(struct xdr_stream *xdr) | |
5023 | { | |
5024 | return decode_op_hdr(xdr, OP_PUTROOTFH); | |
5025 | } | |
5026 | ||
5027 | static int decode_read(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs_readres *res) | |
5028 | { | |
8687b63a | 5029 | __be32 *p; |
64bd577e | 5030 | uint32_t count, eof, recvd; |
1da177e4 LT |
5031 | int status; |
5032 | ||
5033 | status = decode_op_hdr(xdr, OP_READ); | |
5034 | if (status) | |
5035 | return status; | |
c0eae66e BH |
5036 | p = xdr_inline_decode(xdr, 8); |
5037 | if (unlikely(!p)) | |
5038 | goto out_overflow; | |
6f723f77 | 5039 | eof = be32_to_cpup(p++); |
cccddf4f | 5040 | count = be32_to_cpup(p); |
64bd577e | 5041 | recvd = xdr_read_pages(xdr, count); |
1da177e4 | 5042 | if (count > recvd) { |
fe82a183 | 5043 | dprintk("NFS: server cheating in read reply: " |
1da177e4 LT |
5044 | "count %u > recvd %u\n", count, recvd); |
5045 | count = recvd; | |
5046 | eof = 0; | |
5047 | } | |
1da177e4 LT |
5048 | res->eof = eof; |
5049 | res->count = count; | |
5050 | return 0; | |
c0eae66e BH |
5051 | out_overflow: |
5052 | print_overflow_msg(__func__, xdr); | |
5053 | return -EIO; | |
1da177e4 LT |
5054 | } |
5055 | ||
5056 | static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs4_readdir_res *readdir) | |
5057 | { | |
bcecff77 | 5058 | int status; |
cd93710e | 5059 | __be32 verf[2]; |
1da177e4 LT |
5060 | |
5061 | status = decode_op_hdr(xdr, OP_READDIR); | |
db942bbd BH |
5062 | if (!status) |
5063 | status = decode_verifier(xdr, readdir->verifier.data); | |
5064 | if (unlikely(status)) | |
1da177e4 | 5065 | return status; |
cd93710e | 5066 | memcpy(verf, readdir->verifier.data, sizeof(verf)); |
44109241 | 5067 | dprintk("%s: verifier = %08x:%08x\n", |
cd93710e | 5068 | __func__, verf[0], verf[1]); |
64bd577e | 5069 | return xdr_read_pages(xdr, xdr->buf->page_len); |
1da177e4 LT |
5070 | } |
5071 | ||
5072 | static int decode_readlink(struct xdr_stream *xdr, struct rpc_rqst *req) | |
5073 | { | |
5074 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; | |
bcecff77 | 5075 | u32 len, recvd; |
8687b63a | 5076 | __be32 *p; |
1da177e4 LT |
5077 | int status; |
5078 | ||
5079 | status = decode_op_hdr(xdr, OP_READLINK); | |
5080 | if (status) | |
5081 | return status; | |
5082 | ||
5083 | /* Convert length of symlink */ | |
c0eae66e BH |
5084 | p = xdr_inline_decode(xdr, 4); |
5085 | if (unlikely(!p)) | |
5086 | goto out_overflow; | |
cccddf4f | 5087 | len = be32_to_cpup(p); |
1da177e4 | 5088 | if (len >= rcvbuf->page_len || len <= 0) { |
fe82a183 | 5089 | dprintk("nfs: server returned giant symlink!\n"); |
1da177e4 LT |
5090 | return -ENAMETOOLONG; |
5091 | } | |
64bd577e | 5092 | recvd = xdr_read_pages(xdr, len); |
1da177e4 | 5093 | if (recvd < len) { |
fe82a183 | 5094 | dprintk("NFS: server cheating in readlink reply: " |
1da177e4 LT |
5095 | "count %u > recvd %u\n", len, recvd); |
5096 | return -EIO; | |
5097 | } | |
1da177e4 LT |
5098 | /* |
5099 | * The XDR encode routine has set things up so that | |
5100 | * the link text will be copied directly into the | |
5101 | * buffer. We just have to do overflow-checking, | |
5102 | * and and null-terminate the text (the VFS expects | |
5103 | * null-termination). | |
5104 | */ | |
b4687da7 | 5105 | xdr_terminate_string(rcvbuf, len); |
1da177e4 | 5106 | return 0; |
c0eae66e BH |
5107 | out_overflow: |
5108 | print_overflow_msg(__func__, xdr); | |
5109 | return -EIO; | |
1da177e4 LT |
5110 | } |
5111 | ||
5112 | static int decode_remove(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
5113 | { | |
5114 | int status; | |
5115 | ||
5116 | status = decode_op_hdr(xdr, OP_REMOVE); | |
5117 | if (status) | |
5118 | goto out; | |
5119 | status = decode_change_info(xdr, cinfo); | |
5120 | out: | |
5121 | return status; | |
5122 | } | |
5123 | ||
5124 | static int decode_rename(struct xdr_stream *xdr, struct nfs4_change_info *old_cinfo, | |
5125 | struct nfs4_change_info *new_cinfo) | |
5126 | { | |
5127 | int status; | |
5128 | ||
5129 | status = decode_op_hdr(xdr, OP_RENAME); | |
5130 | if (status) | |
5131 | goto out; | |
5132 | if ((status = decode_change_info(xdr, old_cinfo))) | |
5133 | goto out; | |
5134 | status = decode_change_info(xdr, new_cinfo); | |
5135 | out: | |
5136 | return status; | |
5137 | } | |
5138 | ||
5139 | static int decode_renew(struct xdr_stream *xdr) | |
5140 | { | |
5141 | return decode_op_hdr(xdr, OP_RENEW); | |
5142 | } | |
5143 | ||
56ae19f3 TM |
5144 | static int |
5145 | decode_restorefh(struct xdr_stream *xdr) | |
5146 | { | |
5147 | return decode_op_hdr(xdr, OP_RESTOREFH); | |
5148 | } | |
5149 | ||
029d105e | 5150 | static int decode_getacl(struct xdr_stream *xdr, struct rpc_rqst *req, |
bf118a34 | 5151 | struct nfs_getaclres *res) |
029d105e | 5152 | { |
256e48bb | 5153 | unsigned int savep; |
029d105e | 5154 | uint32_t attrlen, |
dae100c2 | 5155 | bitmap[3] = {0}; |
029d105e | 5156 | int status; |
cff298c7 | 5157 | unsigned int pg_offset; |
029d105e | 5158 | |
bf118a34 | 5159 | res->acl_len = 0; |
029d105e BF |
5160 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
5161 | goto out; | |
5a006899 | 5162 | |
519d3959 TM |
5163 | xdr_enter_page(xdr, xdr->buf->page_len); |
5164 | ||
cff298c7 TM |
5165 | /* Calculate the offset of the page data */ |
5166 | pg_offset = xdr->buf->head[0].iov_len; | |
5a006899 | 5167 | |
029d105e BF |
5168 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) |
5169 | goto out; | |
5170 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
5171 | goto out; | |
5172 | ||
5173 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACL - 1U))) | |
5174 | return -EIO; | |
5175 | if (likely(bitmap[0] & FATTR4_WORD0_ACL)) { | |
029d105e | 5176 | |
bf118a34 AA |
5177 | /* The bitmap (xdr len + bitmaps) and the attr xdr len words |
5178 | * are stored with the acl data to handle the problem of | |
5179 | * variable length bitmaps.*/ | |
cff298c7 | 5180 | res->acl_data_offset = xdr_stream_pos(xdr) - pg_offset; |
519d3959 | 5181 | res->acl_len = attrlen; |
1f1ea6c2 TM |
5182 | |
5183 | /* Check for receive buffer overflow */ | |
5184 | if (res->acl_len > (xdr->nwords << 2) || | |
5185 | res->acl_len + res->acl_data_offset > xdr->buf->page_len) { | |
5186 | res->acl_flags |= NFS4_ACL_TRUNC; | |
519d3959 | 5187 | dprintk("NFS: acl reply: attrlen %u > page_len %u\n", |
cff298c7 | 5188 | attrlen, xdr->nwords << 2); |
029d105e | 5189 | } |
8c233cf9 BF |
5190 | } else |
5191 | status = -EOPNOTSUPP; | |
029d105e BF |
5192 | |
5193 | out: | |
5194 | return status; | |
5195 | } | |
5196 | ||
1da177e4 LT |
5197 | static int |
5198 | decode_savefh(struct xdr_stream *xdr) | |
5199 | { | |
5200 | return decode_op_hdr(xdr, OP_SAVEFH); | |
5201 | } | |
5202 | ||
9e9ecc03 | 5203 | static int decode_setattr(struct xdr_stream *xdr) |
1da177e4 | 5204 | { |
8687b63a | 5205 | __be32 *p; |
1da177e4 LT |
5206 | uint32_t bmlen; |
5207 | int status; | |
5208 | ||
1da177e4 LT |
5209 | status = decode_op_hdr(xdr, OP_SETATTR); |
5210 | if (status) | |
5211 | return status; | |
c0eae66e BH |
5212 | p = xdr_inline_decode(xdr, 4); |
5213 | if (unlikely(!p)) | |
5214 | goto out_overflow; | |
cccddf4f | 5215 | bmlen = be32_to_cpup(p); |
c0eae66e BH |
5216 | p = xdr_inline_decode(xdr, bmlen << 2); |
5217 | if (likely(p)) | |
5218 | return 0; | |
5219 | out_overflow: | |
5220 | print_overflow_msg(__func__, xdr); | |
5221 | return -EIO; | |
1da177e4 LT |
5222 | } |
5223 | ||
bb8b27e5 | 5224 | static int decode_setclientid(struct xdr_stream *xdr, struct nfs4_setclientid_res *res) |
1da177e4 | 5225 | { |
8687b63a | 5226 | __be32 *p; |
1da177e4 LT |
5227 | uint32_t opnum; |
5228 | int32_t nfserr; | |
5229 | ||
c0eae66e BH |
5230 | p = xdr_inline_decode(xdr, 8); |
5231 | if (unlikely(!p)) | |
5232 | goto out_overflow; | |
6f723f77 | 5233 | opnum = be32_to_cpup(p++); |
1da177e4 | 5234 | if (opnum != OP_SETCLIENTID) { |
fe82a183 | 5235 | dprintk("nfs: decode_setclientid: Server returned operation" |
6c0195a4 | 5236 | " %d\n", opnum); |
1da177e4 LT |
5237 | return -EIO; |
5238 | } | |
cccddf4f | 5239 | nfserr = be32_to_cpup(p); |
1da177e4 | 5240 | if (nfserr == NFS_OK) { |
c0eae66e BH |
5241 | p = xdr_inline_decode(xdr, 8 + NFS4_VERIFIER_SIZE); |
5242 | if (unlikely(!p)) | |
5243 | goto out_overflow; | |
bb8b27e5 TM |
5244 | p = xdr_decode_hyper(p, &res->clientid); |
5245 | memcpy(res->confirm.data, p, NFS4_VERIFIER_SIZE); | |
1da177e4 LT |
5246 | } else if (nfserr == NFSERR_CLID_INUSE) { |
5247 | uint32_t len; | |
5248 | ||
5249 | /* skip netid string */ | |
c0eae66e BH |
5250 | p = xdr_inline_decode(xdr, 4); |
5251 | if (unlikely(!p)) | |
5252 | goto out_overflow; | |
cccddf4f | 5253 | len = be32_to_cpup(p); |
c0eae66e BH |
5254 | p = xdr_inline_decode(xdr, len); |
5255 | if (unlikely(!p)) | |
5256 | goto out_overflow; | |
1da177e4 LT |
5257 | |
5258 | /* skip uaddr string */ | |
c0eae66e BH |
5259 | p = xdr_inline_decode(xdr, 4); |
5260 | if (unlikely(!p)) | |
5261 | goto out_overflow; | |
cccddf4f | 5262 | len = be32_to_cpup(p); |
c0eae66e BH |
5263 | p = xdr_inline_decode(xdr, len); |
5264 | if (unlikely(!p)) | |
5265 | goto out_overflow; | |
1da177e4 LT |
5266 | return -NFSERR_CLID_INUSE; |
5267 | } else | |
856dff3d | 5268 | return nfs4_stat_to_errno(nfserr); |
1da177e4 LT |
5269 | |
5270 | return 0; | |
c0eae66e BH |
5271 | out_overflow: |
5272 | print_overflow_msg(__func__, xdr); | |
5273 | return -EIO; | |
1da177e4 LT |
5274 | } |
5275 | ||
5276 | static int decode_setclientid_confirm(struct xdr_stream *xdr) | |
5277 | { | |
5278 | return decode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM); | |
5279 | } | |
5280 | ||
5281 | static int decode_write(struct xdr_stream *xdr, struct nfs_writeres *res) | |
5282 | { | |
8687b63a | 5283 | __be32 *p; |
1da177e4 LT |
5284 | int status; |
5285 | ||
5286 | status = decode_op_hdr(xdr, OP_WRITE); | |
5287 | if (status) | |
5288 | return status; | |
5289 | ||
2f2c63bc | 5290 | p = xdr_inline_decode(xdr, 8); |
c0eae66e BH |
5291 | if (unlikely(!p)) |
5292 | goto out_overflow; | |
6f723f77 BH |
5293 | res->count = be32_to_cpup(p++); |
5294 | res->verf->committed = be32_to_cpup(p++); | |
2f2c63bc | 5295 | return decode_write_verifier(xdr, &res->verf->verifier); |
c0eae66e BH |
5296 | out_overflow: |
5297 | print_overflow_msg(__func__, xdr); | |
5298 | return -EIO; | |
1da177e4 LT |
5299 | } |
5300 | ||
5301 | static int decode_delegreturn(struct xdr_stream *xdr) | |
5302 | { | |
5303 | return decode_op_hdr(xdr, OP_DELEGRETURN); | |
5304 | } | |
5305 | ||
fb15b26f CL |
5306 | static int decode_secinfo_gss(struct xdr_stream *xdr, |
5307 | struct nfs4_secinfo4 *flavor) | |
5a5ea0d4 | 5308 | { |
fb15b26f | 5309 | u32 oid_len; |
5a5ea0d4 BS |
5310 | __be32 *p; |
5311 | ||
5312 | p = xdr_inline_decode(xdr, 4); | |
5313 | if (unlikely(!p)) | |
5314 | goto out_overflow; | |
fb15b26f CL |
5315 | oid_len = be32_to_cpup(p); |
5316 | if (oid_len > GSS_OID_MAX_LEN) | |
5a5ea0d4 BS |
5317 | goto out_err; |
5318 | ||
fb15b26f | 5319 | p = xdr_inline_decode(xdr, oid_len); |
5a5ea0d4 BS |
5320 | if (unlikely(!p)) |
5321 | goto out_overflow; | |
fb15b26f CL |
5322 | memcpy(flavor->flavor_info.oid.data, p, oid_len); |
5323 | flavor->flavor_info.oid.len = oid_len; | |
5a5ea0d4 BS |
5324 | |
5325 | p = xdr_inline_decode(xdr, 8); | |
5326 | if (unlikely(!p)) | |
5327 | goto out_overflow; | |
fb15b26f CL |
5328 | flavor->flavor_info.qop = be32_to_cpup(p++); |
5329 | flavor->flavor_info.service = be32_to_cpup(p); | |
5a5ea0d4 BS |
5330 | |
5331 | return 0; | |
5332 | ||
5333 | out_overflow: | |
5334 | print_overflow_msg(__func__, xdr); | |
5335 | return -EIO; | |
5336 | out_err: | |
5337 | return -EINVAL; | |
5338 | } | |
5339 | ||
31e4dda4 | 5340 | static int decode_secinfo_common(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
5a5ea0d4 | 5341 | { |
fb15b26f CL |
5342 | struct nfs4_secinfo4 *sec_flavor; |
5343 | unsigned int i, num_flavors; | |
5a5ea0d4 BS |
5344 | int status; |
5345 | __be32 *p; | |
5a5ea0d4 | 5346 | |
5a5ea0d4 BS |
5347 | p = xdr_inline_decode(xdr, 4); |
5348 | if (unlikely(!p)) | |
5349 | goto out_overflow; | |
5a5ea0d4 | 5350 | |
c3dfc280 BS |
5351 | res->flavors->num_flavors = 0; |
5352 | num_flavors = be32_to_cpup(p); | |
5353 | ||
5354 | for (i = 0; i < num_flavors; i++) { | |
5a5ea0d4 | 5355 | sec_flavor = &res->flavors->flavors[i]; |
c3dfc280 | 5356 | if ((char *)&sec_flavor[1] - (char *)res->flavors > PAGE_SIZE) |
5a5ea0d4 BS |
5357 | break; |
5358 | ||
5359 | p = xdr_inline_decode(xdr, 4); | |
5360 | if (unlikely(!p)) | |
5361 | goto out_overflow; | |
5362 | sec_flavor->flavor = be32_to_cpup(p); | |
5363 | ||
5364 | if (sec_flavor->flavor == RPC_AUTH_GSS) { | |
613e901e BS |
5365 | status = decode_secinfo_gss(xdr, sec_flavor); |
5366 | if (status) | |
5367 | goto out; | |
5a5ea0d4 | 5368 | } |
c3dfc280 | 5369 | res->flavors->num_flavors++; |
5a5ea0d4 BS |
5370 | } |
5371 | ||
31e4dda4 | 5372 | status = 0; |
613e901e BS |
5373 | out: |
5374 | return status; | |
5a5ea0d4 BS |
5375 | out_overflow: |
5376 | print_overflow_msg(__func__, xdr); | |
5377 | return -EIO; | |
5378 | } | |
5379 | ||
31e4dda4 BS |
5380 | static int decode_secinfo(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
5381 | { | |
5382 | int status = decode_op_hdr(xdr, OP_SECINFO); | |
5383 | if (status) | |
5384 | return status; | |
5385 | return decode_secinfo_common(xdr, res); | |
5386 | } | |
5387 | ||
99fe60d0 | 5388 | #if defined(CONFIG_NFS_V4_1) |
31e4dda4 BS |
5389 | static int decode_secinfo_no_name(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
5390 | { | |
5391 | int status = decode_op_hdr(xdr, OP_SECINFO_NO_NAME); | |
5392 | if (status) | |
5393 | return status; | |
5394 | return decode_secinfo_common(xdr, res); | |
5395 | } | |
5396 | ||
99fe60d0 BH |
5397 | static int decode_exchange_id(struct xdr_stream *xdr, |
5398 | struct nfs41_exchange_id_res *res) | |
5399 | { | |
5400 | __be32 *p; | |
5401 | uint32_t dummy; | |
2460ba57 | 5402 | char *dummy_str; |
99fe60d0 | 5403 | int status; |
7d2ed9ac | 5404 | uint32_t impl_id_count; |
99fe60d0 BH |
5405 | |
5406 | status = decode_op_hdr(xdr, OP_EXCHANGE_ID); | |
5407 | if (status) | |
5408 | return status; | |
5409 | ||
c0eae66e BH |
5410 | p = xdr_inline_decode(xdr, 8); |
5411 | if (unlikely(!p)) | |
5412 | goto out_overflow; | |
32b01310 | 5413 | xdr_decode_hyper(p, &res->clientid); |
c0eae66e BH |
5414 | p = xdr_inline_decode(xdr, 12); |
5415 | if (unlikely(!p)) | |
5416 | goto out_overflow; | |
32b01310 TM |
5417 | res->seqid = be32_to_cpup(p++); |
5418 | res->flags = be32_to_cpup(p++); | |
99fe60d0 BH |
5419 | |
5420 | /* We ask for SP4_NONE */ | |
cccddf4f | 5421 | dummy = be32_to_cpup(p); |
99fe60d0 BH |
5422 | if (dummy != SP4_NONE) |
5423 | return -EIO; | |
5424 | ||
acdeb69d | 5425 | /* server_owner4.so_minor_id */ |
c0eae66e BH |
5426 | p = xdr_inline_decode(xdr, 8); |
5427 | if (unlikely(!p)) | |
5428 | goto out_overflow; | |
acdeb69d | 5429 | p = xdr_decode_hyper(p, &res->server_owner->minor_id); |
99fe60d0 | 5430 | |
acdeb69d | 5431 | /* server_owner4.so_major_id */ |
2460ba57 BH |
5432 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
5433 | if (unlikely(status)) | |
5434 | return status; | |
acdeb69d CL |
5435 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) |
5436 | return -EIO; | |
5437 | memcpy(res->server_owner->major_id, dummy_str, dummy); | |
5438 | res->server_owner->major_id_sz = dummy; | |
99fe60d0 | 5439 | |
acdeb69d | 5440 | /* server_scope4 */ |
2460ba57 BH |
5441 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
5442 | if (unlikely(status)) | |
5443 | return status; | |
78fe0f41 WAA |
5444 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) |
5445 | return -EIO; | |
78fe0f41 WAA |
5446 | memcpy(res->server_scope->server_scope, dummy_str, dummy); |
5447 | res->server_scope->server_scope_sz = dummy; | |
5448 | ||
7d2ed9ac WAA |
5449 | /* Implementation Id */ |
5450 | p = xdr_inline_decode(xdr, 4); | |
5451 | if (unlikely(!p)) | |
5452 | goto out_overflow; | |
5453 | impl_id_count = be32_to_cpup(p++); | |
99fe60d0 | 5454 | |
7d2ed9ac WAA |
5455 | if (impl_id_count) { |
5456 | /* nii_domain */ | |
5457 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); | |
5458 | if (unlikely(status)) | |
5459 | return status; | |
5460 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) | |
5461 | return -EIO; | |
5462 | memcpy(res->impl_id->domain, dummy_str, dummy); | |
5463 | ||
5464 | /* nii_name */ | |
5465 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); | |
5466 | if (unlikely(status)) | |
5467 | return status; | |
5468 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) | |
5469 | return -EIO; | |
5470 | memcpy(res->impl_id->name, dummy_str, dummy); | |
5471 | ||
5472 | /* nii_date */ | |
5473 | p = xdr_inline_decode(xdr, 12); | |
5474 | if (unlikely(!p)) | |
5475 | goto out_overflow; | |
5476 | p = xdr_decode_hyper(p, &res->impl_id->date.seconds); | |
5477 | res->impl_id->date.nseconds = be32_to_cpup(p); | |
5478 | ||
5479 | /* if there's more than one entry, ignore the rest */ | |
5480 | } | |
99fe60d0 | 5481 | return 0; |
c0eae66e BH |
5482 | out_overflow: |
5483 | print_overflow_msg(__func__, xdr); | |
5484 | return -EIO; | |
99fe60d0 | 5485 | } |
fc931582 AA |
5486 | |
5487 | static int decode_chan_attrs(struct xdr_stream *xdr, | |
5488 | struct nfs4_channel_attrs *attrs) | |
5489 | { | |
5490 | __be32 *p; | |
c9c30dd5 | 5491 | u32 nr_attrs, val; |
fc931582 | 5492 | |
c0eae66e BH |
5493 | p = xdr_inline_decode(xdr, 28); |
5494 | if (unlikely(!p)) | |
5495 | goto out_overflow; | |
c9c30dd5 BH |
5496 | val = be32_to_cpup(p++); /* headerpadsz */ |
5497 | if (val) | |
5498 | return -EINVAL; /* no support for header padding yet */ | |
6f723f77 BH |
5499 | attrs->max_rqst_sz = be32_to_cpup(p++); |
5500 | attrs->max_resp_sz = be32_to_cpup(p++); | |
5501 | attrs->max_resp_sz_cached = be32_to_cpup(p++); | |
5502 | attrs->max_ops = be32_to_cpup(p++); | |
5503 | attrs->max_reqs = be32_to_cpup(p++); | |
cccddf4f | 5504 | nr_attrs = be32_to_cpup(p); |
fc931582 | 5505 | if (unlikely(nr_attrs > 1)) { |
a030889a WAA |
5506 | printk(KERN_WARNING "NFS: %s: Invalid rdma channel attrs " |
5507 | "count %u\n", __func__, nr_attrs); | |
fc931582 AA |
5508 | return -EINVAL; |
5509 | } | |
c0eae66e BH |
5510 | if (nr_attrs == 1) { |
5511 | p = xdr_inline_decode(xdr, 4); /* skip rdma_attrs */ | |
5512 | if (unlikely(!p)) | |
5513 | goto out_overflow; | |
5514 | } | |
fc931582 | 5515 | return 0; |
c0eae66e BH |
5516 | out_overflow: |
5517 | print_overflow_msg(__func__, xdr); | |
5518 | return -EIO; | |
fc931582 AA |
5519 | } |
5520 | ||
e78291e4 BH |
5521 | static int decode_sessionid(struct xdr_stream *xdr, struct nfs4_sessionid *sid) |
5522 | { | |
5523 | return decode_opaque_fixed(xdr, sid->data, NFS4_MAX_SESSIONID_LEN); | |
fc931582 AA |
5524 | } |
5525 | ||
7c44f1ae WAA |
5526 | static int decode_bind_conn_to_session(struct xdr_stream *xdr, |
5527 | struct nfs41_bind_conn_to_session_res *res) | |
5528 | { | |
5529 | __be32 *p; | |
5530 | int status; | |
5531 | ||
5532 | status = decode_op_hdr(xdr, OP_BIND_CONN_TO_SESSION); | |
5533 | if (!status) | |
5534 | status = decode_sessionid(xdr, &res->session->sess_id); | |
5535 | if (unlikely(status)) | |
5536 | return status; | |
5537 | ||
5538 | /* dir flags, rdma mode bool */ | |
5539 | p = xdr_inline_decode(xdr, 8); | |
5540 | if (unlikely(!p)) | |
5541 | goto out_overflow; | |
5542 | ||
5543 | res->dir = be32_to_cpup(p++); | |
5544 | if (res->dir == 0 || res->dir > NFS4_CDFS4_BOTH) | |
5545 | return -EIO; | |
5546 | if (be32_to_cpup(p) == 0) | |
5547 | res->use_conn_in_rdma_mode = false; | |
5548 | else | |
5549 | res->use_conn_in_rdma_mode = true; | |
5550 | ||
5551 | return 0; | |
5552 | out_overflow: | |
5553 | print_overflow_msg(__func__, xdr); | |
5554 | return -EIO; | |
5555 | } | |
5556 | ||
fc931582 AA |
5557 | static int decode_create_session(struct xdr_stream *xdr, |
5558 | struct nfs41_create_session_res *res) | |
5559 | { | |
5560 | __be32 *p; | |
5561 | int status; | |
5562 | struct nfs_client *clp = res->client; | |
5563 | struct nfs4_session *session = clp->cl_session; | |
5564 | ||
5565 | status = decode_op_hdr(xdr, OP_CREATE_SESSION); | |
e78291e4 BH |
5566 | if (!status) |
5567 | status = decode_sessionid(xdr, &session->sess_id); | |
5568 | if (unlikely(status)) | |
fc931582 AA |
5569 | return status; |
5570 | ||
fc931582 | 5571 | /* seqid, flags */ |
c0eae66e BH |
5572 | p = xdr_inline_decode(xdr, 8); |
5573 | if (unlikely(!p)) | |
5574 | goto out_overflow; | |
6f723f77 | 5575 | clp->cl_seqid = be32_to_cpup(p++); |
cccddf4f | 5576 | session->flags = be32_to_cpup(p); |
fc931582 AA |
5577 | |
5578 | /* Channel attributes */ | |
5579 | status = decode_chan_attrs(xdr, &session->fc_attrs); | |
5580 | if (!status) | |
5581 | status = decode_chan_attrs(xdr, &session->bc_attrs); | |
5582 | return status; | |
c0eae66e BH |
5583 | out_overflow: |
5584 | print_overflow_msg(__func__, xdr); | |
5585 | return -EIO; | |
fc931582 | 5586 | } |
0f3e66c6 AA |
5587 | |
5588 | static int decode_destroy_session(struct xdr_stream *xdr, void *dummy) | |
5589 | { | |
5590 | return decode_op_hdr(xdr, OP_DESTROY_SESSION); | |
5591 | } | |
18019753 | 5592 | |
66245539 TM |
5593 | static int decode_destroy_clientid(struct xdr_stream *xdr, void *dummy) |
5594 | { | |
5595 | return decode_op_hdr(xdr, OP_DESTROY_CLIENTID); | |
5596 | } | |
5597 | ||
18019753 RL |
5598 | static int decode_reclaim_complete(struct xdr_stream *xdr, void *dummy) |
5599 | { | |
5600 | return decode_op_hdr(xdr, OP_RECLAIM_COMPLETE); | |
5601 | } | |
99fe60d0 BH |
5602 | #endif /* CONFIG_NFS_V4_1 */ |
5603 | ||
9b7b9fcc AA |
5604 | static int decode_sequence(struct xdr_stream *xdr, |
5605 | struct nfs4_sequence_res *res, | |
5606 | struct rpc_rqst *rqstp) | |
5607 | { | |
5608 | #if defined(CONFIG_NFS_V4_1) | |
e3725ec0 | 5609 | struct nfs4_session *session; |
fc01cea9 AA |
5610 | struct nfs4_sessionid id; |
5611 | u32 dummy; | |
5612 | int status; | |
5613 | __be32 *p; | |
5614 | ||
e3725ec0 | 5615 | if (res->sr_slot == NULL) |
9b7b9fcc AA |
5616 | return 0; |
5617 | ||
fc01cea9 | 5618 | status = decode_op_hdr(xdr, OP_SEQUENCE); |
e78291e4 BH |
5619 | if (!status) |
5620 | status = decode_sessionid(xdr, &id); | |
5621 | if (unlikely(status)) | |
fc01cea9 | 5622 | goto out_err; |
9b7b9fcc | 5623 | |
fc01cea9 AA |
5624 | /* |
5625 | * If the server returns different values for sessionID, slotID or | |
5626 | * sequence number, the server is looney tunes. | |
5627 | */ | |
fdcb4577 | 5628 | status = -EREMOTEIO; |
e3725ec0 | 5629 | session = res->sr_slot->table->session; |
fc01cea9 | 5630 | |
e3725ec0 | 5631 | if (memcmp(id.data, session->sess_id.data, |
fc01cea9 AA |
5632 | NFS4_MAX_SESSIONID_LEN)) { |
5633 | dprintk("%s Invalid session id\n", __func__); | |
5634 | goto out_err; | |
5635 | } | |
e78291e4 | 5636 | |
c0eae66e BH |
5637 | p = xdr_inline_decode(xdr, 20); |
5638 | if (unlikely(!p)) | |
5639 | goto out_overflow; | |
e78291e4 | 5640 | |
fc01cea9 | 5641 | /* seqid */ |
6f723f77 | 5642 | dummy = be32_to_cpup(p++); |
dfb4f309 | 5643 | if (dummy != res->sr_slot->seq_nr) { |
fc01cea9 AA |
5644 | dprintk("%s Invalid sequence number\n", __func__); |
5645 | goto out_err; | |
5646 | } | |
5647 | /* slot id */ | |
6f723f77 | 5648 | dummy = be32_to_cpup(p++); |
df2fabff | 5649 | if (dummy != res->sr_slot->slot_nr) { |
fc01cea9 AA |
5650 | dprintk("%s Invalid slot id\n", __func__); |
5651 | goto out_err; | |
5652 | } | |
da0507b7 TM |
5653 | /* highest slot id */ |
5654 | res->sr_highest_slotid = be32_to_cpup(p++); | |
464ee9f9 TM |
5655 | /* target highest slot id */ |
5656 | res->sr_target_highest_slotid = be32_to_cpup(p++); | |
0629e370 AB |
5657 | /* result flags */ |
5658 | res->sr_status_flags = be32_to_cpup(p); | |
fc01cea9 AA |
5659 | status = 0; |
5660 | out_err: | |
5661 | res->sr_status = status; | |
5662 | return status; | |
c0eae66e BH |
5663 | out_overflow: |
5664 | print_overflow_msg(__func__, xdr); | |
5665 | status = -EIO; | |
5666 | goto out_err; | |
fc01cea9 | 5667 | #else /* CONFIG_NFS_V4_1 */ |
9b7b9fcc | 5668 | return 0; |
fc01cea9 | 5669 | #endif /* CONFIG_NFS_V4_1 */ |
9b7b9fcc AA |
5670 | } |
5671 | ||
b1f69b75 | 5672 | #if defined(CONFIG_NFS_V4_1) |
7f11d8d3 AA |
5673 | /* |
5674 | * TODO: Need to handle case when EOF != true; | |
5675 | */ | |
5676 | static int decode_getdevicelist(struct xdr_stream *xdr, | |
5677 | struct pnfs_devicelist *res) | |
5678 | { | |
5679 | __be32 *p; | |
5680 | int status, i; | |
98d94524 | 5681 | nfs4_verifier verftemp; |
7f11d8d3 AA |
5682 | |
5683 | status = decode_op_hdr(xdr, OP_GETDEVICELIST); | |
5684 | if (status) | |
5685 | return status; | |
5686 | ||
5687 | p = xdr_inline_decode(xdr, 8 + 8 + 4); | |
5688 | if (unlikely(!p)) | |
5689 | goto out_overflow; | |
5690 | ||
5691 | /* TODO: Skip cookie for now */ | |
5692 | p += 2; | |
5693 | ||
5694 | /* Read verifier */ | |
98d94524 | 5695 | p = xdr_decode_opaque_fixed(p, verftemp.data, NFS4_VERIFIER_SIZE); |
7f11d8d3 AA |
5696 | |
5697 | res->num_devs = be32_to_cpup(p); | |
5698 | ||
5699 | dprintk("%s: num_dev %d\n", __func__, res->num_devs); | |
5700 | ||
5701 | if (res->num_devs > NFS4_PNFS_GETDEVLIST_MAXNUM) { | |
a030889a | 5702 | printk(KERN_ERR "NFS: %s too many result dev_num %u\n", |
7f11d8d3 AA |
5703 | __func__, res->num_devs); |
5704 | return -EIO; | |
5705 | } | |
5706 | ||
5707 | p = xdr_inline_decode(xdr, | |
5708 | res->num_devs * NFS4_DEVICEID4_SIZE + 4); | |
5709 | if (unlikely(!p)) | |
5710 | goto out_overflow; | |
5711 | for (i = 0; i < res->num_devs; i++) | |
5712 | p = xdr_decode_opaque_fixed(p, res->dev_id[i].data, | |
5713 | NFS4_DEVICEID4_SIZE); | |
5714 | res->eof = be32_to_cpup(p); | |
5715 | return 0; | |
5716 | out_overflow: | |
5717 | print_overflow_msg(__func__, xdr); | |
5718 | return -EIO; | |
5719 | } | |
b1f69b75 AA |
5720 | |
5721 | static int decode_getdeviceinfo(struct xdr_stream *xdr, | |
5722 | struct pnfs_device *pdev) | |
5723 | { | |
5724 | __be32 *p; | |
5725 | uint32_t len, type; | |
5726 | int status; | |
5727 | ||
5728 | status = decode_op_hdr(xdr, OP_GETDEVICEINFO); | |
5729 | if (status) { | |
5730 | if (status == -ETOOSMALL) { | |
5731 | p = xdr_inline_decode(xdr, 4); | |
5732 | if (unlikely(!p)) | |
5733 | goto out_overflow; | |
5734 | pdev->mincount = be32_to_cpup(p); | |
5735 | dprintk("%s: Min count too small. mincnt = %u\n", | |
5736 | __func__, pdev->mincount); | |
5737 | } | |
5738 | return status; | |
5739 | } | |
5740 | ||
5741 | p = xdr_inline_decode(xdr, 8); | |
5742 | if (unlikely(!p)) | |
5743 | goto out_overflow; | |
5744 | type = be32_to_cpup(p++); | |
5745 | if (type != pdev->layout_type) { | |
5746 | dprintk("%s: layout mismatch req: %u pdev: %u\n", | |
5747 | __func__, pdev->layout_type, type); | |
5748 | return -EINVAL; | |
5749 | } | |
5750 | /* | |
5751 | * Get the length of the opaque device_addr4. xdr_read_pages places | |
5752 | * the opaque device_addr4 in the xdr_buf->pages (pnfs_device->pages) | |
5753 | * and places the remaining xdr data in xdr_buf->tail | |
5754 | */ | |
5755 | pdev->mincount = be32_to_cpup(p); | |
13fe4ba1 TM |
5756 | if (xdr_read_pages(xdr, pdev->mincount) != pdev->mincount) |
5757 | goto out_overflow; | |
b1f69b75 AA |
5758 | |
5759 | /* Parse notification bitmap, verifying that it is zero. */ | |
5760 | p = xdr_inline_decode(xdr, 4); | |
5761 | if (unlikely(!p)) | |
5762 | goto out_overflow; | |
5763 | len = be32_to_cpup(p); | |
5764 | if (len) { | |
ead00597 | 5765 | uint32_t i; |
b1f69b75 AA |
5766 | |
5767 | p = xdr_inline_decode(xdr, 4 * len); | |
5768 | if (unlikely(!p)) | |
5769 | goto out_overflow; | |
5770 | for (i = 0; i < len; i++, p++) { | |
5771 | if (be32_to_cpup(p)) { | |
5772 | dprintk("%s: notifications not supported\n", | |
5773 | __func__); | |
5774 | return -EIO; | |
5775 | } | |
5776 | } | |
5777 | } | |
5778 | return 0; | |
5779 | out_overflow: | |
5780 | print_overflow_msg(__func__, xdr); | |
5781 | return -EIO; | |
5782 | } | |
5783 | ||
5784 | static int decode_layoutget(struct xdr_stream *xdr, struct rpc_rqst *req, | |
5785 | struct nfs4_layoutget_res *res) | |
5786 | { | |
5787 | __be32 *p; | |
5788 | int status; | |
5789 | u32 layout_count; | |
64bd577e | 5790 | u32 recvd; |
b1f69b75 AA |
5791 | |
5792 | status = decode_op_hdr(xdr, OP_LAYOUTGET); | |
5793 | if (status) | |
5794 | return status; | |
ea9d23f5 TM |
5795 | p = xdr_inline_decode(xdr, 4); |
5796 | if (unlikely(!p)) | |
5797 | goto out_overflow; | |
5798 | res->return_on_close = be32_to_cpup(p); | |
5799 | decode_stateid(xdr, &res->stateid); | |
5800 | p = xdr_inline_decode(xdr, 4); | |
b1f69b75 AA |
5801 | if (unlikely(!p)) |
5802 | goto out_overflow; | |
b1f69b75 AA |
5803 | layout_count = be32_to_cpup(p); |
5804 | if (!layout_count) { | |
5805 | dprintk("%s: server responded with empty layout array\n", | |
5806 | __func__); | |
5807 | return -EINVAL; | |
5808 | } | |
5809 | ||
35124a09 | 5810 | p = xdr_inline_decode(xdr, 28); |
b1f69b75 AA |
5811 | if (unlikely(!p)) |
5812 | goto out_overflow; | |
5813 | p = xdr_decode_hyper(p, &res->range.offset); | |
5814 | p = xdr_decode_hyper(p, &res->range.length); | |
5815 | res->range.iomode = be32_to_cpup(p++); | |
5816 | res->type = be32_to_cpup(p++); | |
35124a09 | 5817 | res->layoutp->len = be32_to_cpup(p); |
b1f69b75 AA |
5818 | |
5819 | dprintk("%s roff:%lu rlen:%lu riomode:%d, lo_type:0x%x, lo.len:%d\n", | |
5820 | __func__, | |
5821 | (unsigned long)res->range.offset, | |
5822 | (unsigned long)res->range.length, | |
5823 | res->range.iomode, | |
5824 | res->type, | |
35124a09 WAA |
5825 | res->layoutp->len); |
5826 | ||
64bd577e | 5827 | recvd = xdr_read_pages(xdr, res->layoutp->len); |
35124a09 WAA |
5828 | if (res->layoutp->len > recvd) { |
5829 | dprintk("NFS: server cheating in layoutget reply: " | |
5830 | "layout len %u > recvd %u\n", | |
5831 | res->layoutp->len, recvd); | |
5832 | return -EINVAL; | |
5833 | } | |
b1f69b75 | 5834 | |
b1f69b75 AA |
5835 | if (layout_count > 1) { |
5836 | /* We only handle a length one array at the moment. Any | |
5837 | * further entries are just ignored. Note that this means | |
5838 | * the client may see a response that is less than the | |
5839 | * minimum it requested. | |
5840 | */ | |
5841 | dprintk("%s: server responded with %d layouts, dropping tail\n", | |
5842 | __func__, layout_count); | |
5843 | } | |
5844 | ||
5845 | return 0; | |
5846 | out_overflow: | |
5847 | print_overflow_msg(__func__, xdr); | |
5848 | return -EIO; | |
5849 | } | |
863a3c6c | 5850 | |
cbe82603 BH |
5851 | static int decode_layoutreturn(struct xdr_stream *xdr, |
5852 | struct nfs4_layoutreturn_res *res) | |
5853 | { | |
5854 | __be32 *p; | |
5855 | int status; | |
5856 | ||
5857 | status = decode_op_hdr(xdr, OP_LAYOUTRETURN); | |
5858 | if (status) | |
5859 | return status; | |
5860 | p = xdr_inline_decode(xdr, 4); | |
5861 | if (unlikely(!p)) | |
5862 | goto out_overflow; | |
5863 | res->lrs_present = be32_to_cpup(p); | |
5864 | if (res->lrs_present) | |
5865 | status = decode_stateid(xdr, &res->stateid); | |
5866 | return status; | |
5867 | out_overflow: | |
5868 | print_overflow_msg(__func__, xdr); | |
5869 | return -EIO; | |
5870 | } | |
5871 | ||
863a3c6c AA |
5872 | static int decode_layoutcommit(struct xdr_stream *xdr, |
5873 | struct rpc_rqst *req, | |
5874 | struct nfs4_layoutcommit_res *res) | |
5875 | { | |
5876 | __be32 *p; | |
5877 | __u32 sizechanged; | |
5878 | int status; | |
5879 | ||
5880 | status = decode_op_hdr(xdr, OP_LAYOUTCOMMIT); | |
db29c089 | 5881 | res->status = status; |
863a3c6c AA |
5882 | if (status) |
5883 | return status; | |
5884 | ||
5885 | p = xdr_inline_decode(xdr, 4); | |
5886 | if (unlikely(!p)) | |
5887 | goto out_overflow; | |
5888 | sizechanged = be32_to_cpup(p); | |
5889 | ||
5890 | if (sizechanged) { | |
5891 | /* throw away new size */ | |
5892 | p = xdr_inline_decode(xdr, 8); | |
5893 | if (unlikely(!p)) | |
5894 | goto out_overflow; | |
5895 | } | |
5896 | return 0; | |
5897 | out_overflow: | |
5898 | print_overflow_msg(__func__, xdr); | |
5899 | return -EIO; | |
5900 | } | |
7d974794 BS |
5901 | |
5902 | static int decode_test_stateid(struct xdr_stream *xdr, | |
5903 | struct nfs41_test_stateid_res *res) | |
5904 | { | |
5905 | __be32 *p; | |
5906 | int status; | |
5907 | int num_res; | |
5908 | ||
5909 | status = decode_op_hdr(xdr, OP_TEST_STATEID); | |
5910 | if (status) | |
5911 | return status; | |
5912 | ||
5913 | p = xdr_inline_decode(xdr, 4); | |
5914 | if (unlikely(!p)) | |
5915 | goto out_overflow; | |
5916 | num_res = be32_to_cpup(p++); | |
5917 | if (num_res != 1) | |
5918 | goto out; | |
5919 | ||
5920 | p = xdr_inline_decode(xdr, 4); | |
5921 | if (unlikely(!p)) | |
5922 | goto out_overflow; | |
5923 | res->status = be32_to_cpup(p++); | |
1cab0652 BS |
5924 | |
5925 | return status; | |
7d974794 BS |
5926 | out_overflow: |
5927 | print_overflow_msg(__func__, xdr); | |
5928 | out: | |
5929 | return -EIO; | |
5930 | } | |
9aeda35f BS |
5931 | |
5932 | static int decode_free_stateid(struct xdr_stream *xdr, | |
5933 | struct nfs41_free_stateid_res *res) | |
5934 | { | |
5935 | __be32 *p; | |
5936 | int status; | |
5937 | ||
5938 | status = decode_op_hdr(xdr, OP_FREE_STATEID); | |
5939 | if (status) | |
5940 | return status; | |
5941 | ||
5942 | p = xdr_inline_decode(xdr, 4); | |
5943 | if (unlikely(!p)) | |
5944 | goto out_overflow; | |
5945 | res->status = be32_to_cpup(p++); | |
5946 | return res->status; | |
5947 | out_overflow: | |
5948 | print_overflow_msg(__func__, xdr); | |
5949 | return -EIO; | |
5950 | } | |
b1f69b75 AA |
5951 | #endif /* CONFIG_NFS_V4_1 */ |
5952 | ||
49c2559e BH |
5953 | /* |
5954 | * END OF "GENERIC" DECODE ROUTINES. | |
5955 | */ | |
5956 | ||
1da177e4 LT |
5957 | /* |
5958 | * Decode OPEN_DOWNGRADE response | |
5959 | */ | |
bf269551 CL |
5960 | static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst *rqstp, |
5961 | struct xdr_stream *xdr, | |
5962 | struct nfs_closeres *res) | |
1da177e4 | 5963 | { |
05d564fe AA |
5964 | struct compound_hdr hdr; |
5965 | int status; | |
5966 | ||
bf269551 | 5967 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5968 | if (status) |
5969 | goto out; | |
bf269551 | 5970 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
5971 | if (status) |
5972 | goto out; | |
bf269551 | 5973 | status = decode_putfh(xdr); |
05d564fe AA |
5974 | if (status) |
5975 | goto out; | |
bf269551 | 5976 | status = decode_open_downgrade(xdr, res); |
516a6af6 TM |
5977 | if (status != 0) |
5978 | goto out; | |
6926afd1 | 5979 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 | 5980 | out: |
05d564fe | 5981 | return status; |
1da177e4 LT |
5982 | } |
5983 | ||
1da177e4 LT |
5984 | /* |
5985 | * Decode ACCESS response | |
5986 | */ | |
bf269551 CL |
5987 | static int nfs4_xdr_dec_access(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
5988 | struct nfs4_accessres *res) | |
1da177e4 | 5989 | { |
1da177e4 LT |
5990 | struct compound_hdr hdr; |
5991 | int status; | |
6c0195a4 | 5992 | |
bf269551 | 5993 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
5994 | if (status) |
5995 | goto out; | |
bf269551 | 5996 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 5997 | if (status) |
1da177e4 | 5998 | goto out; |
bf269551 | 5999 | status = decode_putfh(xdr); |
76b32999 TM |
6000 | if (status != 0) |
6001 | goto out; | |
6168f62c | 6002 | status = decode_access(xdr, &res->supported, &res->access); |
76b32999 TM |
6003 | if (status != 0) |
6004 | goto out; | |
6926afd1 | 6005 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6006 | out: |
6007 | return status; | |
6008 | } | |
6009 | ||
6010 | /* | |
6011 | * Decode LOOKUP response | |
6012 | */ | |
bf269551 CL |
6013 | static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6014 | struct nfs4_lookup_res *res) | |
1da177e4 | 6015 | { |
1da177e4 LT |
6016 | struct compound_hdr hdr; |
6017 | int status; | |
6c0195a4 | 6018 | |
bf269551 | 6019 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6020 | if (status) |
6021 | goto out; | |
bf269551 | 6022 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6023 | if (status) |
1da177e4 | 6024 | goto out; |
bf269551 CL |
6025 | status = decode_putfh(xdr); |
6026 | if (status) | |
1da177e4 | 6027 | goto out; |
bf269551 CL |
6028 | status = decode_lookup(xdr); |
6029 | if (status) | |
1da177e4 | 6030 | goto out; |
bf269551 CL |
6031 | status = decode_getfh(xdr, res->fh); |
6032 | if (status) | |
1da177e4 | 6033 | goto out; |
aa9c2669 | 6034 | status = decode_getfattr_label(xdr, res->fattr, res->label, res->server); |
1da177e4 LT |
6035 | out: |
6036 | return status; | |
6037 | } | |
6038 | ||
6039 | /* | |
6040 | * Decode LOOKUP_ROOT response | |
6041 | */ | |
bf269551 CL |
6042 | static int nfs4_xdr_dec_lookup_root(struct rpc_rqst *rqstp, |
6043 | struct xdr_stream *xdr, | |
6044 | struct nfs4_lookup_res *res) | |
1da177e4 | 6045 | { |
1da177e4 LT |
6046 | struct compound_hdr hdr; |
6047 | int status; | |
6c0195a4 | 6048 | |
bf269551 | 6049 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6050 | if (status) |
6051 | goto out; | |
bf269551 | 6052 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6053 | if (status) |
1da177e4 | 6054 | goto out; |
bf269551 CL |
6055 | status = decode_putrootfh(xdr); |
6056 | if (status) | |
1da177e4 | 6057 | goto out; |
bf269551 CL |
6058 | status = decode_getfh(xdr, res->fh); |
6059 | if (status == 0) | |
aa9c2669 DQ |
6060 | status = decode_getfattr_label(xdr, res->fattr, |
6061 | res->label, res->server); | |
1da177e4 LT |
6062 | out: |
6063 | return status; | |
6064 | } | |
6065 | ||
6066 | /* | |
6067 | * Decode REMOVE response | |
6068 | */ | |
bf269551 CL |
6069 | static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6070 | struct nfs_removeres *res) | |
1da177e4 | 6071 | { |
1da177e4 LT |
6072 | struct compound_hdr hdr; |
6073 | int status; | |
6c0195a4 | 6074 | |
bf269551 | 6075 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6076 | if (status) |
6077 | goto out; | |
bf269551 | 6078 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6079 | if (status) |
1da177e4 | 6080 | goto out; |
bf269551 CL |
6081 | status = decode_putfh(xdr); |
6082 | if (status) | |
16e42959 | 6083 | goto out; |
bf269551 | 6084 | status = decode_remove(xdr, &res->cinfo); |
1da177e4 LT |
6085 | out: |
6086 | return status; | |
6087 | } | |
6088 | ||
6089 | /* | |
6090 | * Decode RENAME response | |
6091 | */ | |
bf269551 CL |
6092 | static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6093 | struct nfs_renameres *res) | |
1da177e4 | 6094 | { |
1da177e4 LT |
6095 | struct compound_hdr hdr; |
6096 | int status; | |
6c0195a4 | 6097 | |
bf269551 | 6098 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6099 | if (status) |
6100 | goto out; | |
bf269551 | 6101 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6102 | if (status) |
1da177e4 | 6103 | goto out; |
bf269551 CL |
6104 | status = decode_putfh(xdr); |
6105 | if (status) | |
1da177e4 | 6106 | goto out; |
bf269551 CL |
6107 | status = decode_savefh(xdr); |
6108 | if (status) | |
1da177e4 | 6109 | goto out; |
bf269551 CL |
6110 | status = decode_putfh(xdr); |
6111 | if (status) | |
1da177e4 | 6112 | goto out; |
bf269551 | 6113 | status = decode_rename(xdr, &res->old_cinfo, &res->new_cinfo); |
1da177e4 LT |
6114 | out: |
6115 | return status; | |
6116 | } | |
6117 | ||
6118 | /* | |
6119 | * Decode LINK response | |
6120 | */ | |
bf269551 CL |
6121 | static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6122 | struct nfs4_link_res *res) | |
1da177e4 | 6123 | { |
1da177e4 LT |
6124 | struct compound_hdr hdr; |
6125 | int status; | |
6c0195a4 | 6126 | |
bf269551 | 6127 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6128 | if (status) |
6129 | goto out; | |
bf269551 | 6130 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6131 | if (status) |
1da177e4 | 6132 | goto out; |
bf269551 CL |
6133 | status = decode_putfh(xdr); |
6134 | if (status) | |
1da177e4 | 6135 | goto out; |
bf269551 CL |
6136 | status = decode_savefh(xdr); |
6137 | if (status) | |
1da177e4 | 6138 | goto out; |
bf269551 CL |
6139 | status = decode_putfh(xdr); |
6140 | if (status) | |
1da177e4 | 6141 | goto out; |
bf269551 CL |
6142 | status = decode_link(xdr, &res->cinfo); |
6143 | if (status) | |
91ba2eee TM |
6144 | goto out; |
6145 | /* | |
6146 | * Note order: OP_LINK leaves the directory as the current | |
6147 | * filehandle. | |
6148 | */ | |
bf269551 CL |
6149 | status = decode_restorefh(xdr); |
6150 | if (status) | |
91ba2eee | 6151 | goto out; |
aa9c2669 | 6152 | decode_getfattr_label(xdr, res->fattr, res->label, res->server); |
1da177e4 LT |
6153 | out: |
6154 | return status; | |
6155 | } | |
6156 | ||
6157 | /* | |
6158 | * Decode CREATE response | |
6159 | */ | |
bf269551 CL |
6160 | static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6161 | struct nfs4_create_res *res) | |
1da177e4 | 6162 | { |
1da177e4 LT |
6163 | struct compound_hdr hdr; |
6164 | int status; | |
6c0195a4 | 6165 | |
bf269551 | 6166 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6167 | if (status) |
6168 | goto out; | |
bf269551 | 6169 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6170 | if (status) |
1da177e4 | 6171 | goto out; |
bf269551 | 6172 | status = decode_putfh(xdr); |
bf269551 | 6173 | if (status) |
56ae19f3 | 6174 | goto out; |
bf269551 CL |
6175 | status = decode_create(xdr, &res->dir_cinfo); |
6176 | if (status) | |
1da177e4 | 6177 | goto out; |
bf269551 CL |
6178 | status = decode_getfh(xdr, res->fh); |
6179 | if (status) | |
1da177e4 | 6180 | goto out; |
aa9c2669 | 6181 | decode_getfattr_label(xdr, res->fattr, res->label, res->server); |
1da177e4 LT |
6182 | out: |
6183 | return status; | |
6184 | } | |
6185 | ||
6186 | /* | |
6187 | * Decode SYMLINK response | |
6188 | */ | |
bf269551 CL |
6189 | static int nfs4_xdr_dec_symlink(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6190 | struct nfs4_create_res *res) | |
1da177e4 | 6191 | { |
bf269551 | 6192 | return nfs4_xdr_dec_create(rqstp, xdr, res); |
1da177e4 LT |
6193 | } |
6194 | ||
6195 | /* | |
6196 | * Decode GETATTR response | |
6197 | */ | |
bf269551 CL |
6198 | static int nfs4_xdr_dec_getattr(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6199 | struct nfs4_getattr_res *res) | |
1da177e4 | 6200 | { |
1da177e4 LT |
6201 | struct compound_hdr hdr; |
6202 | int status; | |
6c0195a4 | 6203 | |
bf269551 | 6204 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6205 | if (status) |
6206 | goto out; | |
bf269551 | 6207 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6208 | if (status) |
6209 | goto out; | |
bf269551 | 6210 | status = decode_putfh(xdr); |
1da177e4 LT |
6211 | if (status) |
6212 | goto out; | |
aa9c2669 | 6213 | status = decode_getfattr_label(xdr, res->fattr, res->label, res->server); |
1da177e4 LT |
6214 | out: |
6215 | return status; | |
1da177e4 LT |
6216 | } |
6217 | ||
23ec6965 BF |
6218 | /* |
6219 | * Encode an SETACL request | |
6220 | */ | |
9f06c719 CL |
6221 | static void nfs4_xdr_enc_setacl(struct rpc_rqst *req, struct xdr_stream *xdr, |
6222 | struct nfs_setaclargs *args) | |
23ec6965 | 6223 | { |
05d564fe | 6224 | struct compound_hdr hdr = { |
66cc0429 | 6225 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 6226 | }; |
05d564fe | 6227 | |
9f06c719 CL |
6228 | encode_compound_hdr(xdr, req, &hdr); |
6229 | encode_sequence(xdr, &args->seq_args, &hdr); | |
6230 | encode_putfh(xdr, args->fh, &hdr); | |
6231 | encode_setacl(xdr, args, &hdr); | |
d017931c | 6232 | encode_nops(&hdr); |
23ec6965 | 6233 | } |
05d564fe | 6234 | |
23ec6965 BF |
6235 | /* |
6236 | * Decode SETACL response | |
6237 | */ | |
6238 | static int | |
bf269551 | 6239 | nfs4_xdr_dec_setacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
73c403a9 | 6240 | struct nfs_setaclres *res) |
23ec6965 | 6241 | { |
23ec6965 BF |
6242 | struct compound_hdr hdr; |
6243 | int status; | |
6244 | ||
bf269551 | 6245 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6246 | if (status) |
6247 | goto out; | |
bf269551 | 6248 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
23ec6965 BF |
6249 | if (status) |
6250 | goto out; | |
bf269551 | 6251 | status = decode_putfh(xdr); |
23ec6965 BF |
6252 | if (status) |
6253 | goto out; | |
bf269551 | 6254 | status = decode_setattr(xdr); |
23ec6965 BF |
6255 | out: |
6256 | return status; | |
6257 | } | |
1da177e4 | 6258 | |
029d105e BF |
6259 | /* |
6260 | * Decode GETACL response | |
6261 | */ | |
6262 | static int | |
bf269551 | 6263 | nfs4_xdr_dec_getacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
663c79b3 | 6264 | struct nfs_getaclres *res) |
029d105e | 6265 | { |
029d105e BF |
6266 | struct compound_hdr hdr; |
6267 | int status; | |
6268 | ||
331818f1 TM |
6269 | if (res->acl_scratch != NULL) { |
6270 | void *p = page_address(res->acl_scratch); | |
6271 | xdr_set_scratch_buffer(xdr, p, PAGE_SIZE); | |
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); |
029d105e BF |
6277 | if (status) |
6278 | goto out; | |
bf269551 | 6279 | status = decode_putfh(xdr); |
029d105e BF |
6280 | if (status) |
6281 | goto out; | |
bf118a34 | 6282 | status = decode_getacl(xdr, rqstp, res); |
029d105e BF |
6283 | |
6284 | out: | |
6285 | return status; | |
6286 | } | |
6287 | ||
1da177e4 LT |
6288 | /* |
6289 | * Decode CLOSE response | |
6290 | */ | |
bf269551 CL |
6291 | static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6292 | struct nfs_closeres *res) | |
1da177e4 | 6293 | { |
05d564fe AA |
6294 | struct compound_hdr hdr; |
6295 | int status; | |
6296 | ||
bf269551 | 6297 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6298 | if (status) |
6299 | goto out; | |
bf269551 | 6300 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6301 | if (status) |
6302 | goto out; | |
bf269551 | 6303 | status = decode_putfh(xdr); |
05d564fe AA |
6304 | if (status) |
6305 | goto out; | |
bf269551 | 6306 | status = decode_close(xdr, res); |
516a6af6 TM |
6307 | if (status != 0) |
6308 | goto out; | |
6309 | /* | |
6310 | * Note: Server may do delete on close for this file | |
6311 | * in which case the getattr call will fail with | |
6312 | * an ESTALE error. Shouldn't be a problem, | |
6313 | * though, since fattr->valid will remain unset. | |
6314 | */ | |
6926afd1 | 6315 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 | 6316 | out: |
05d564fe | 6317 | return status; |
1da177e4 LT |
6318 | } |
6319 | ||
6320 | /* | |
6321 | * Decode OPEN response | |
6322 | */ | |
bf269551 CL |
6323 | static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6324 | struct nfs_openres *res) | |
1da177e4 | 6325 | { |
05d564fe AA |
6326 | struct compound_hdr hdr; |
6327 | int status; | |
6328 | ||
bf269551 | 6329 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6330 | if (status) |
6331 | goto out; | |
bf269551 | 6332 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6333 | if (status) |
6334 | goto out; | |
bf269551 | 6335 | status = decode_putfh(xdr); |
05d564fe AA |
6336 | if (status) |
6337 | goto out; | |
bf269551 | 6338 | status = decode_open(xdr, res); |
56ae19f3 TM |
6339 | if (status) |
6340 | goto out; | |
01913b49 WAA |
6341 | status = decode_getfh(xdr, &res->fh); |
6342 | if (status) | |
1da177e4 | 6343 | goto out; |
ae2bb032 WAA |
6344 | if (res->access_request) |
6345 | decode_access(xdr, &res->access_supported, &res->access_result); | |
aa9c2669 | 6346 | decode_getfattr_label(xdr, res->f_attr, res->f_label, res->server); |
1da177e4 | 6347 | out: |
05d564fe | 6348 | return status; |
1da177e4 LT |
6349 | } |
6350 | ||
6351 | /* | |
6352 | * Decode OPEN_CONFIRM response | |
6353 | */ | |
bf269551 CL |
6354 | static int nfs4_xdr_dec_open_confirm(struct rpc_rqst *rqstp, |
6355 | struct xdr_stream *xdr, | |
6356 | struct nfs_open_confirmres *res) | |
1da177e4 | 6357 | { |
05d564fe AA |
6358 | struct compound_hdr hdr; |
6359 | int status; | |
6360 | ||
bf269551 | 6361 | status = decode_compound_hdr(xdr, &hdr); |
05d564fe AA |
6362 | if (status) |
6363 | goto out; | |
bf269551 | 6364 | status = decode_putfh(xdr); |
05d564fe AA |
6365 | if (status) |
6366 | goto out; | |
bf269551 | 6367 | status = decode_open_confirm(xdr, res); |
1da177e4 | 6368 | out: |
05d564fe | 6369 | return status; |
1da177e4 LT |
6370 | } |
6371 | ||
6372 | /* | |
6373 | * Decode OPEN response | |
6374 | */ | |
bf269551 CL |
6375 | static int nfs4_xdr_dec_open_noattr(struct rpc_rqst *rqstp, |
6376 | struct xdr_stream *xdr, | |
6377 | struct nfs_openres *res) | |
1da177e4 | 6378 | { |
05d564fe AA |
6379 | struct compound_hdr hdr; |
6380 | int status; | |
6381 | ||
bf269551 | 6382 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6383 | if (status) |
6384 | goto out; | |
bf269551 | 6385 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6386 | if (status) |
6387 | goto out; | |
bf269551 | 6388 | status = decode_putfh(xdr); |
05d564fe AA |
6389 | if (status) |
6390 | goto out; | |
bf269551 | 6391 | status = decode_open(xdr, res); |
05d564fe AA |
6392 | if (status) |
6393 | goto out; | |
ae2bb032 WAA |
6394 | if (res->access_request) |
6395 | decode_access(xdr, &res->access_supported, &res->access_result); | |
6926afd1 | 6396 | decode_getfattr(xdr, res->f_attr, res->server); |
1da177e4 | 6397 | out: |
05d564fe | 6398 | return status; |
1da177e4 LT |
6399 | } |
6400 | ||
6401 | /* | |
6402 | * Decode SETATTR response | |
6403 | */ | |
bf269551 CL |
6404 | static int nfs4_xdr_dec_setattr(struct rpc_rqst *rqstp, |
6405 | struct xdr_stream *xdr, | |
6406 | struct nfs_setattrres *res) | |
1da177e4 | 6407 | { |
05d564fe AA |
6408 | struct compound_hdr hdr; |
6409 | int status; | |
6410 | ||
bf269551 | 6411 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6412 | if (status) |
6413 | goto out; | |
bf269551 | 6414 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6415 | if (status) |
6416 | goto out; | |
bf269551 | 6417 | status = decode_putfh(xdr); |
05d564fe AA |
6418 | if (status) |
6419 | goto out; | |
bf269551 | 6420 | status = decode_setattr(xdr); |
05d564fe AA |
6421 | if (status) |
6422 | goto out; | |
aa9c2669 | 6423 | decode_getfattr_label(xdr, res->fattr, res->label, res->server); |
1da177e4 | 6424 | out: |
05d564fe | 6425 | return status; |
1da177e4 LT |
6426 | } |
6427 | ||
6428 | /* | |
6429 | * Decode LOCK response | |
6430 | */ | |
bf269551 CL |
6431 | static int nfs4_xdr_dec_lock(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6432 | struct nfs_lock_res *res) | |
1da177e4 | 6433 | { |
1da177e4 LT |
6434 | struct compound_hdr hdr; |
6435 | int status; | |
6436 | ||
bf269551 | 6437 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6438 | if (status) |
6439 | goto out; | |
bf269551 | 6440 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6441 | if (status) |
6442 | goto out; | |
bf269551 | 6443 | status = decode_putfh(xdr); |
1da177e4 LT |
6444 | if (status) |
6445 | goto out; | |
bf269551 | 6446 | status = decode_lock(xdr, res); |
1da177e4 LT |
6447 | out: |
6448 | return status; | |
6449 | } | |
6450 | ||
6451 | /* | |
6452 | * Decode LOCKT response | |
6453 | */ | |
bf269551 CL |
6454 | static int nfs4_xdr_dec_lockt(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6455 | struct nfs_lockt_res *res) | |
1da177e4 | 6456 | { |
1da177e4 LT |
6457 | struct compound_hdr hdr; |
6458 | int status; | |
6459 | ||
bf269551 | 6460 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6461 | if (status) |
6462 | goto out; | |
bf269551 | 6463 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6464 | if (status) |
6465 | goto out; | |
bf269551 | 6466 | status = decode_putfh(xdr); |
1da177e4 LT |
6467 | if (status) |
6468 | goto out; | |
bf269551 | 6469 | status = decode_lockt(xdr, res); |
1da177e4 LT |
6470 | out: |
6471 | return status; | |
6472 | } | |
6473 | ||
6474 | /* | |
6475 | * Decode LOCKU response | |
6476 | */ | |
bf269551 CL |
6477 | static int nfs4_xdr_dec_locku(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6478 | struct nfs_locku_res *res) | |
1da177e4 | 6479 | { |
1da177e4 LT |
6480 | struct compound_hdr hdr; |
6481 | int status; | |
6482 | ||
bf269551 | 6483 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6484 | if (status) |
6485 | goto out; | |
bf269551 | 6486 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6487 | if (status) |
6488 | goto out; | |
bf269551 | 6489 | status = decode_putfh(xdr); |
1da177e4 LT |
6490 | if (status) |
6491 | goto out; | |
bf269551 | 6492 | status = decode_locku(xdr, res); |
1da177e4 LT |
6493 | out: |
6494 | return status; | |
6495 | } | |
6496 | ||
bf269551 CL |
6497 | static int nfs4_xdr_dec_release_lockowner(struct rpc_rqst *rqstp, |
6498 | struct xdr_stream *xdr, void *dummy) | |
d3c7b7cc | 6499 | { |
d3c7b7cc TM |
6500 | struct compound_hdr hdr; |
6501 | int status; | |
6502 | ||
bf269551 | 6503 | status = decode_compound_hdr(xdr, &hdr); |
d3c7b7cc | 6504 | if (!status) |
bf269551 | 6505 | status = decode_release_lockowner(xdr); |
d3c7b7cc TM |
6506 | return status; |
6507 | } | |
6508 | ||
1da177e4 LT |
6509 | /* |
6510 | * Decode READLINK response | |
6511 | */ | |
bf269551 CL |
6512 | static int nfs4_xdr_dec_readlink(struct rpc_rqst *rqstp, |
6513 | struct xdr_stream *xdr, | |
f50c7000 | 6514 | struct nfs4_readlink_res *res) |
1da177e4 | 6515 | { |
1da177e4 LT |
6516 | struct compound_hdr hdr; |
6517 | int status; | |
6518 | ||
bf269551 | 6519 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6520 | if (status) |
6521 | goto out; | |
bf269551 | 6522 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6523 | if (status) |
6524 | goto out; | |
bf269551 | 6525 | status = decode_putfh(xdr); |
1da177e4 LT |
6526 | if (status) |
6527 | goto out; | |
bf269551 | 6528 | status = decode_readlink(xdr, rqstp); |
1da177e4 LT |
6529 | out: |
6530 | return status; | |
6531 | } | |
6532 | ||
6533 | /* | |
6534 | * Decode READDIR response | |
6535 | */ | |
bf269551 CL |
6536 | static int nfs4_xdr_dec_readdir(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6537 | struct nfs4_readdir_res *res) | |
1da177e4 | 6538 | { |
1da177e4 LT |
6539 | struct compound_hdr hdr; |
6540 | int status; | |
6541 | ||
bf269551 | 6542 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6543 | if (status) |
6544 | goto out; | |
bf269551 | 6545 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6546 | if (status) |
6547 | goto out; | |
bf269551 | 6548 | status = decode_putfh(xdr); |
1da177e4 LT |
6549 | if (status) |
6550 | goto out; | |
bf269551 | 6551 | status = decode_readdir(xdr, rqstp, res); |
1da177e4 LT |
6552 | out: |
6553 | return status; | |
6554 | } | |
6555 | ||
6556 | /* | |
6557 | * Decode Read response | |
6558 | */ | |
bf269551 CL |
6559 | static int nfs4_xdr_dec_read(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6560 | struct nfs_readres *res) | |
1da177e4 | 6561 | { |
1da177e4 LT |
6562 | struct compound_hdr hdr; |
6563 | int status; | |
6564 | ||
bf269551 | 6565 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6566 | if (status) |
6567 | goto out; | |
bf269551 | 6568 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6569 | if (status) |
6570 | goto out; | |
bf269551 | 6571 | status = decode_putfh(xdr); |
1da177e4 LT |
6572 | if (status) |
6573 | goto out; | |
bf269551 | 6574 | status = decode_read(xdr, rqstp, res); |
1da177e4 LT |
6575 | if (!status) |
6576 | status = res->count; | |
6577 | out: | |
6578 | return status; | |
6579 | } | |
6580 | ||
6581 | /* | |
6582 | * Decode WRITE response | |
6583 | */ | |
bf269551 CL |
6584 | static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6585 | struct nfs_writeres *res) | |
1da177e4 | 6586 | { |
1da177e4 LT |
6587 | struct compound_hdr hdr; |
6588 | int status; | |
6589 | ||
bf269551 | 6590 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6591 | if (status) |
6592 | goto out; | |
bf269551 | 6593 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6594 | if (status) |
6595 | goto out; | |
bf269551 | 6596 | status = decode_putfh(xdr); |
1da177e4 LT |
6597 | if (status) |
6598 | goto out; | |
bf269551 | 6599 | status = decode_write(xdr, res); |
4f9838c7 TM |
6600 | if (status) |
6601 | goto out; | |
7ffd1064 | 6602 | if (res->fattr) |
6926afd1 | 6603 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6604 | if (!status) |
6605 | status = res->count; | |
6606 | out: | |
6607 | return status; | |
6608 | } | |
6609 | ||
6610 | /* | |
6611 | * Decode COMMIT response | |
6612 | */ | |
bf269551 | 6613 | static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
0b7c0153 | 6614 | struct nfs_commitres *res) |
1da177e4 | 6615 | { |
1da177e4 LT |
6616 | struct compound_hdr hdr; |
6617 | int status; | |
6618 | ||
bf269551 | 6619 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6620 | if (status) |
6621 | goto out; | |
bf269551 | 6622 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6623 | if (status) |
6624 | goto out; | |
bf269551 | 6625 | status = decode_putfh(xdr); |
1da177e4 LT |
6626 | if (status) |
6627 | goto out; | |
bf269551 | 6628 | status = decode_commit(xdr, res); |
1da177e4 LT |
6629 | out: |
6630 | return status; | |
6631 | } | |
6632 | ||
6633 | /* | |
8b173218 | 6634 | * Decode FSINFO response |
1da177e4 | 6635 | */ |
bf269551 | 6636 | static int nfs4_xdr_dec_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, |
3dda5e43 | 6637 | struct nfs4_fsinfo_res *res) |
1da177e4 | 6638 | { |
1da177e4 LT |
6639 | struct compound_hdr hdr; |
6640 | int status; | |
6641 | ||
bf269551 | 6642 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6643 | if (!status) |
bf269551 | 6644 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6645 | if (!status) |
bf269551 | 6646 | status = decode_putfh(xdr); |
1da177e4 | 6647 | if (!status) |
bf269551 | 6648 | status = decode_fsinfo(xdr, res->fsinfo); |
1da177e4 LT |
6649 | return status; |
6650 | } | |
6651 | ||
6652 | /* | |
8b173218 | 6653 | * Decode PATHCONF response |
1da177e4 | 6654 | */ |
bf269551 | 6655 | static int nfs4_xdr_dec_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, |
d45b2989 | 6656 | struct nfs4_pathconf_res *res) |
1da177e4 | 6657 | { |
1da177e4 LT |
6658 | struct compound_hdr hdr; |
6659 | int status; | |
6660 | ||
bf269551 | 6661 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6662 | if (!status) |
bf269551 | 6663 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6664 | if (!status) |
bf269551 | 6665 | status = decode_putfh(xdr); |
1da177e4 | 6666 | if (!status) |
bf269551 | 6667 | status = decode_pathconf(xdr, res->pathconf); |
1da177e4 LT |
6668 | return status; |
6669 | } | |
6670 | ||
6671 | /* | |
8b173218 | 6672 | * Decode STATFS response |
1da177e4 | 6673 | */ |
bf269551 | 6674 | static int nfs4_xdr_dec_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, |
24ad148a | 6675 | struct nfs4_statfs_res *res) |
1da177e4 | 6676 | { |
1da177e4 LT |
6677 | struct compound_hdr hdr; |
6678 | int status; | |
6679 | ||
bf269551 | 6680 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6681 | if (!status) |
bf269551 | 6682 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6683 | if (!status) |
bf269551 | 6684 | status = decode_putfh(xdr); |
1da177e4 | 6685 | if (!status) |
bf269551 | 6686 | status = decode_statfs(xdr, res->fsstat); |
1da177e4 LT |
6687 | return status; |
6688 | } | |
6689 | ||
6690 | /* | |
8b173218 | 6691 | * Decode GETATTR_BITMAP response |
1da177e4 | 6692 | */ |
bf269551 CL |
6693 | static int nfs4_xdr_dec_server_caps(struct rpc_rqst *req, |
6694 | struct xdr_stream *xdr, | |
6695 | struct nfs4_server_caps_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, req); |
9b7b9fcc | 6704 | if (status) |
1da177e4 | 6705 | goto out; |
bf269551 CL |
6706 | status = decode_putfh(xdr); |
6707 | if (status) | |
1da177e4 | 6708 | goto out; |
bf269551 | 6709 | status = decode_server_caps(xdr, res); |
1da177e4 LT |
6710 | out: |
6711 | return status; | |
6712 | } | |
6713 | ||
6714 | /* | |
6715 | * Decode RENEW response | |
6716 | */ | |
bf269551 CL |
6717 | static int nfs4_xdr_dec_renew(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6718 | void *__unused) | |
1da177e4 | 6719 | { |
1da177e4 LT |
6720 | struct compound_hdr hdr; |
6721 | int status; | |
6722 | ||
bf269551 | 6723 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6724 | if (!status) |
bf269551 | 6725 | status = decode_renew(xdr); |
1da177e4 LT |
6726 | return status; |
6727 | } | |
6728 | ||
6729 | /* | |
8b173218 | 6730 | * Decode SETCLIENTID response |
1da177e4 | 6731 | */ |
bf269551 CL |
6732 | static int nfs4_xdr_dec_setclientid(struct rpc_rqst *req, |
6733 | struct xdr_stream *xdr, | |
6734 | struct nfs4_setclientid_res *res) | |
1da177e4 | 6735 | { |
1da177e4 LT |
6736 | struct compound_hdr hdr; |
6737 | int status; | |
6738 | ||
bf269551 | 6739 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6740 | if (!status) |
bf269551 | 6741 | status = decode_setclientid(xdr, res); |
1da177e4 LT |
6742 | return status; |
6743 | } | |
6744 | ||
6745 | /* | |
8b173218 | 6746 | * Decode SETCLIENTID_CONFIRM response |
1da177e4 | 6747 | */ |
bf269551 | 6748 | static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst *req, |
83ca7f5a | 6749 | struct xdr_stream *xdr) |
1da177e4 | 6750 | { |
1da177e4 LT |
6751 | struct compound_hdr hdr; |
6752 | int status; | |
6753 | ||
bf269551 | 6754 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6755 | if (!status) |
bf269551 | 6756 | status = decode_setclientid_confirm(xdr); |
1da177e4 LT |
6757 | return status; |
6758 | } | |
6759 | ||
6760 | /* | |
8b173218 | 6761 | * Decode DELEGRETURN response |
1da177e4 | 6762 | */ |
bf269551 CL |
6763 | static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, |
6764 | struct xdr_stream *xdr, | |
6765 | struct nfs4_delegreturnres *res) | |
1da177e4 | 6766 | { |
1da177e4 LT |
6767 | struct compound_hdr hdr; |
6768 | int status; | |
6769 | ||
bf269551 | 6770 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6771 | if (status) |
6772 | goto out; | |
bf269551 | 6773 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6774 | if (status) |
fa178f29 | 6775 | goto out; |
bf269551 | 6776 | status = decode_putfh(xdr); |
fa178f29 TM |
6777 | if (status != 0) |
6778 | goto out; | |
e144cbcc | 6779 | status = decode_getfattr(xdr, res->fattr, res->server); |
556ae3bb JL |
6780 | if (status != 0) |
6781 | goto out; | |
e144cbcc | 6782 | status = decode_delegreturn(xdr); |
fa178f29 | 6783 | out: |
1da177e4 LT |
6784 | return status; |
6785 | } | |
6786 | ||
683b57b4 | 6787 | /* |
8b173218 | 6788 | * Decode FS_LOCATIONS response |
683b57b4 | 6789 | */ |
bf269551 CL |
6790 | static int nfs4_xdr_dec_fs_locations(struct rpc_rqst *req, |
6791 | struct xdr_stream *xdr, | |
22958463 | 6792 | struct nfs4_fs_locations_res *res) |
683b57b4 | 6793 | { |
683b57b4 TM |
6794 | struct compound_hdr hdr; |
6795 | int status; | |
6796 | ||
bf269551 | 6797 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6798 | if (status) |
6799 | goto out; | |
bf269551 | 6800 | status = decode_sequence(xdr, &res->seq_res, req); |
9b7b9fcc | 6801 | if (status) |
683b57b4 | 6802 | goto out; |
bf269551 CL |
6803 | status = decode_putfh(xdr); |
6804 | if (status) | |
683b57b4 | 6805 | goto out; |
bf269551 CL |
6806 | status = decode_lookup(xdr); |
6807 | if (status) | |
683b57b4 | 6808 | goto out; |
bf269551 | 6809 | xdr_enter_page(xdr, PAGE_SIZE); |
8b7e3f49 TM |
6810 | status = decode_getfattr_generic(xdr, &res->fs_locations->fattr, |
6811 | NULL, res->fs_locations, | |
aa9c2669 | 6812 | NULL, res->fs_locations->server); |
683b57b4 TM |
6813 | out: |
6814 | return status; | |
6815 | } | |
6816 | ||
5a5ea0d4 BS |
6817 | /* |
6818 | * Decode SECINFO response | |
6819 | */ | |
6820 | static int nfs4_xdr_dec_secinfo(struct rpc_rqst *rqstp, | |
6821 | struct xdr_stream *xdr, | |
6822 | struct nfs4_secinfo_res *res) | |
6823 | { | |
6824 | struct compound_hdr hdr; | |
6825 | int status; | |
6826 | ||
6827 | status = decode_compound_hdr(xdr, &hdr); | |
6828 | if (status) | |
6829 | goto out; | |
6830 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6831 | if (status) | |
6832 | goto out; | |
6833 | status = decode_putfh(xdr); | |
6834 | if (status) | |
6835 | goto out; | |
6836 | status = decode_secinfo(xdr, res); | |
5a5ea0d4 BS |
6837 | out: |
6838 | return status; | |
6839 | } | |
6840 | ||
99fe60d0 | 6841 | #if defined(CONFIG_NFS_V4_1) |
7c44f1ae WAA |
6842 | /* |
6843 | * Decode BIND_CONN_TO_SESSION response | |
6844 | */ | |
6845 | static int nfs4_xdr_dec_bind_conn_to_session(struct rpc_rqst *rqstp, | |
6846 | struct xdr_stream *xdr, | |
6847 | void *res) | |
6848 | { | |
6849 | struct compound_hdr hdr; | |
6850 | int status; | |
6851 | ||
6852 | status = decode_compound_hdr(xdr, &hdr); | |
6853 | if (!status) | |
6854 | status = decode_bind_conn_to_session(xdr, res); | |
6855 | return status; | |
6856 | } | |
6857 | ||
99fe60d0 | 6858 | /* |
8b173218 | 6859 | * Decode EXCHANGE_ID response |
99fe60d0 | 6860 | */ |
bf269551 CL |
6861 | static int nfs4_xdr_dec_exchange_id(struct rpc_rqst *rqstp, |
6862 | struct xdr_stream *xdr, | |
99fe60d0 BH |
6863 | void *res) |
6864 | { | |
99fe60d0 BH |
6865 | struct compound_hdr hdr; |
6866 | int status; | |
6867 | ||
bf269551 | 6868 | status = decode_compound_hdr(xdr, &hdr); |
99fe60d0 | 6869 | if (!status) |
bf269551 | 6870 | status = decode_exchange_id(xdr, res); |
99fe60d0 BH |
6871 | return status; |
6872 | } | |
2050f0cc | 6873 | |
fc931582 | 6874 | /* |
8b173218 | 6875 | * Decode CREATE_SESSION response |
fc931582 | 6876 | */ |
bf269551 CL |
6877 | static int nfs4_xdr_dec_create_session(struct rpc_rqst *rqstp, |
6878 | struct xdr_stream *xdr, | |
fc931582 AA |
6879 | struct nfs41_create_session_res *res) |
6880 | { | |
fc931582 AA |
6881 | struct compound_hdr hdr; |
6882 | int status; | |
6883 | ||
bf269551 | 6884 | status = decode_compound_hdr(xdr, &hdr); |
fc931582 | 6885 | if (!status) |
bf269551 | 6886 | status = decode_create_session(xdr, res); |
fc931582 AA |
6887 | return status; |
6888 | } | |
6889 | ||
0f3e66c6 | 6890 | /* |
8b173218 | 6891 | * Decode DESTROY_SESSION response |
0f3e66c6 | 6892 | */ |
bf269551 CL |
6893 | static int nfs4_xdr_dec_destroy_session(struct rpc_rqst *rqstp, |
6894 | struct xdr_stream *xdr, | |
6895 | void *res) | |
0f3e66c6 | 6896 | { |
0f3e66c6 AA |
6897 | struct compound_hdr hdr; |
6898 | int status; | |
6899 | ||
bf269551 | 6900 | status = decode_compound_hdr(xdr, &hdr); |
0f3e66c6 | 6901 | if (!status) |
bf269551 | 6902 | status = decode_destroy_session(xdr, res); |
0f3e66c6 AA |
6903 | return status; |
6904 | } | |
6905 | ||
66245539 TM |
6906 | /* |
6907 | * Decode DESTROY_CLIENTID response | |
6908 | */ | |
6909 | static int nfs4_xdr_dec_destroy_clientid(struct rpc_rqst *rqstp, | |
6910 | struct xdr_stream *xdr, | |
6911 | void *res) | |
6912 | { | |
6913 | struct compound_hdr hdr; | |
6914 | int status; | |
6915 | ||
6916 | status = decode_compound_hdr(xdr, &hdr); | |
6917 | if (!status) | |
6918 | status = decode_destroy_clientid(xdr, res); | |
6919 | return status; | |
6920 | } | |
6921 | ||
fc01cea9 | 6922 | /* |
8b173218 | 6923 | * Decode SEQUENCE response |
fc01cea9 | 6924 | */ |
bf269551 CL |
6925 | static int nfs4_xdr_dec_sequence(struct rpc_rqst *rqstp, |
6926 | struct xdr_stream *xdr, | |
fc01cea9 AA |
6927 | struct nfs4_sequence_res *res) |
6928 | { | |
fc01cea9 AA |
6929 | struct compound_hdr hdr; |
6930 | int status; | |
6931 | ||
bf269551 | 6932 | status = decode_compound_hdr(xdr, &hdr); |
fc01cea9 | 6933 | if (!status) |
bf269551 | 6934 | status = decode_sequence(xdr, res, rqstp); |
fc01cea9 AA |
6935 | return status; |
6936 | } | |
6937 | ||
2050f0cc | 6938 | /* |
8b173218 | 6939 | * Decode GET_LEASE_TIME response |
2050f0cc | 6940 | */ |
bf269551 CL |
6941 | static int nfs4_xdr_dec_get_lease_time(struct rpc_rqst *rqstp, |
6942 | struct xdr_stream *xdr, | |
2050f0cc AA |
6943 | struct nfs4_get_lease_time_res *res) |
6944 | { | |
2050f0cc AA |
6945 | struct compound_hdr hdr; |
6946 | int status; | |
6947 | ||
bf269551 | 6948 | status = decode_compound_hdr(xdr, &hdr); |
2050f0cc | 6949 | if (!status) |
bf269551 | 6950 | status = decode_sequence(xdr, &res->lr_seq_res, rqstp); |
2050f0cc | 6951 | if (!status) |
bf269551 | 6952 | status = decode_putrootfh(xdr); |
2050f0cc | 6953 | if (!status) |
bf269551 | 6954 | status = decode_fsinfo(xdr, res->lr_fsinfo); |
2050f0cc AA |
6955 | return status; |
6956 | } | |
18019753 RL |
6957 | |
6958 | /* | |
6959 | * Decode RECLAIM_COMPLETE response | |
6960 | */ | |
bf269551 CL |
6961 | static int nfs4_xdr_dec_reclaim_complete(struct rpc_rqst *rqstp, |
6962 | struct xdr_stream *xdr, | |
18019753 RL |
6963 | struct nfs41_reclaim_complete_res *res) |
6964 | { | |
18019753 RL |
6965 | struct compound_hdr hdr; |
6966 | int status; | |
6967 | ||
bf269551 | 6968 | status = decode_compound_hdr(xdr, &hdr); |
18019753 | 6969 | if (!status) |
bf269551 | 6970 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
18019753 | 6971 | if (!status) |
bf269551 | 6972 | status = decode_reclaim_complete(xdr, (void *)NULL); |
18019753 RL |
6973 | return status; |
6974 | } | |
b1f69b75 | 6975 | |
7f11d8d3 AA |
6976 | /* |
6977 | * Decode GETDEVICELIST response | |
6978 | */ | |
6979 | static int nfs4_xdr_dec_getdevicelist(struct rpc_rqst *rqstp, | |
6980 | struct xdr_stream *xdr, | |
6981 | struct nfs4_getdevicelist_res *res) | |
6982 | { | |
6983 | struct compound_hdr hdr; | |
6984 | int status; | |
6985 | ||
6986 | dprintk("encoding getdevicelist!\n"); | |
6987 | ||
6988 | status = decode_compound_hdr(xdr, &hdr); | |
6989 | if (status != 0) | |
6990 | goto out; | |
6991 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6992 | if (status != 0) | |
6993 | goto out; | |
6994 | status = decode_putfh(xdr); | |
6995 | if (status != 0) | |
6996 | goto out; | |
6997 | status = decode_getdevicelist(xdr, res->devlist); | |
6998 | out: | |
6999 | return status; | |
7000 | } | |
7001 | ||
b1f69b75 AA |
7002 | /* |
7003 | * Decode GETDEVINFO response | |
7004 | */ | |
bf269551 CL |
7005 | static int nfs4_xdr_dec_getdeviceinfo(struct rpc_rqst *rqstp, |
7006 | struct xdr_stream *xdr, | |
b1f69b75 AA |
7007 | struct nfs4_getdeviceinfo_res *res) |
7008 | { | |
b1f69b75 AA |
7009 | struct compound_hdr hdr; |
7010 | int status; | |
7011 | ||
bf269551 | 7012 | status = decode_compound_hdr(xdr, &hdr); |
b1f69b75 AA |
7013 | if (status != 0) |
7014 | goto out; | |
bf269551 | 7015 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
b1f69b75 AA |
7016 | if (status != 0) |
7017 | goto out; | |
bf269551 | 7018 | status = decode_getdeviceinfo(xdr, res->pdev); |
b1f69b75 AA |
7019 | out: |
7020 | return status; | |
7021 | } | |
7022 | ||
7023 | /* | |
7024 | * Decode LAYOUTGET response | |
7025 | */ | |
bf269551 CL |
7026 | static int nfs4_xdr_dec_layoutget(struct rpc_rqst *rqstp, |
7027 | struct xdr_stream *xdr, | |
b1f69b75 AA |
7028 | struct nfs4_layoutget_res *res) |
7029 | { | |
b1f69b75 AA |
7030 | struct compound_hdr hdr; |
7031 | int status; | |
7032 | ||
bf269551 | 7033 | status = decode_compound_hdr(xdr, &hdr); |
b1f69b75 AA |
7034 | if (status) |
7035 | goto out; | |
bf269551 | 7036 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
b1f69b75 AA |
7037 | if (status) |
7038 | goto out; | |
bf269551 | 7039 | status = decode_putfh(xdr); |
b1f69b75 AA |
7040 | if (status) |
7041 | goto out; | |
bf269551 | 7042 | status = decode_layoutget(xdr, rqstp, res); |
b1f69b75 AA |
7043 | out: |
7044 | return status; | |
7045 | } | |
863a3c6c | 7046 | |
cbe82603 BH |
7047 | /* |
7048 | * Decode LAYOUTRETURN response | |
7049 | */ | |
7050 | static int nfs4_xdr_dec_layoutreturn(struct rpc_rqst *rqstp, | |
7051 | struct xdr_stream *xdr, | |
7052 | struct nfs4_layoutreturn_res *res) | |
7053 | { | |
7054 | struct compound_hdr hdr; | |
7055 | int status; | |
7056 | ||
7057 | status = decode_compound_hdr(xdr, &hdr); | |
7058 | if (status) | |
7059 | goto out; | |
7060 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7061 | if (status) | |
7062 | goto out; | |
7063 | status = decode_putfh(xdr); | |
7064 | if (status) | |
7065 | goto out; | |
7066 | status = decode_layoutreturn(xdr, res); | |
7067 | out: | |
7068 | return status; | |
7069 | } | |
7070 | ||
863a3c6c AA |
7071 | /* |
7072 | * Decode LAYOUTCOMMIT response | |
7073 | */ | |
7074 | static int nfs4_xdr_dec_layoutcommit(struct rpc_rqst *rqstp, | |
7075 | struct xdr_stream *xdr, | |
7076 | struct nfs4_layoutcommit_res *res) | |
7077 | { | |
7078 | struct compound_hdr hdr; | |
7079 | int status; | |
7080 | ||
7081 | status = decode_compound_hdr(xdr, &hdr); | |
7082 | if (status) | |
7083 | goto out; | |
7084 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7085 | if (status) | |
7086 | goto out; | |
7087 | status = decode_putfh(xdr); | |
7088 | if (status) | |
7089 | goto out; | |
7090 | status = decode_layoutcommit(xdr, rqstp, res); | |
7091 | if (status) | |
7092 | goto out; | |
6926afd1 | 7093 | decode_getfattr(xdr, res->fattr, res->server); |
863a3c6c AA |
7094 | out: |
7095 | return status; | |
7096 | } | |
fca78d6d BS |
7097 | |
7098 | /* | |
7099 | * Decode SECINFO_NO_NAME response | |
7100 | */ | |
7101 | static int nfs4_xdr_dec_secinfo_no_name(struct rpc_rqst *rqstp, | |
7102 | struct xdr_stream *xdr, | |
7103 | struct nfs4_secinfo_res *res) | |
7104 | { | |
7105 | struct compound_hdr hdr; | |
7106 | int status; | |
7107 | ||
7108 | status = decode_compound_hdr(xdr, &hdr); | |
7109 | if (status) | |
7110 | goto out; | |
7111 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7112 | if (status) | |
7113 | goto out; | |
7114 | status = decode_putrootfh(xdr); | |
7115 | if (status) | |
7116 | goto out; | |
31e4dda4 | 7117 | status = decode_secinfo_no_name(xdr, res); |
fca78d6d BS |
7118 | out: |
7119 | return status; | |
7120 | } | |
7d974794 BS |
7121 | |
7122 | /* | |
7123 | * Decode TEST_STATEID response | |
7124 | */ | |
7125 | static int nfs4_xdr_dec_test_stateid(struct rpc_rqst *rqstp, | |
7126 | struct xdr_stream *xdr, | |
7127 | struct nfs41_test_stateid_res *res) | |
7128 | { | |
7129 | struct compound_hdr hdr; | |
7130 | int status; | |
7131 | ||
7132 | status = decode_compound_hdr(xdr, &hdr); | |
7133 | if (status) | |
7134 | goto out; | |
7135 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7136 | if (status) | |
7137 | goto out; | |
7138 | status = decode_test_stateid(xdr, res); | |
7139 | out: | |
7140 | return status; | |
7141 | } | |
9aeda35f BS |
7142 | |
7143 | /* | |
7144 | * Decode FREE_STATEID response | |
7145 | */ | |
7146 | static int nfs4_xdr_dec_free_stateid(struct rpc_rqst *rqstp, | |
7147 | struct xdr_stream *xdr, | |
7148 | struct nfs41_free_stateid_res *res) | |
7149 | { | |
7150 | struct compound_hdr hdr; | |
7151 | int status; | |
7152 | ||
7153 | status = decode_compound_hdr(xdr, &hdr); | |
7154 | if (status) | |
7155 | goto out; | |
7156 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7157 | if (status) | |
7158 | goto out; | |
7159 | status = decode_free_stateid(xdr, res); | |
7160 | out: | |
7161 | return status; | |
7162 | } | |
99fe60d0 BH |
7163 | #endif /* CONFIG_NFS_V4_1 */ |
7164 | ||
573c4e1e CL |
7165 | /** |
7166 | * nfs4_decode_dirent - Decode a single NFSv4 directory entry stored in | |
7167 | * the local page cache. | |
7168 | * @xdr: XDR stream where entry resides | |
7169 | * @entry: buffer to fill in with entry data | |
7170 | * @plus: boolean indicating whether this should be a readdirplus entry | |
7171 | * | |
7172 | * Returns zero if successful, otherwise a negative errno value is | |
7173 | * returned. | |
7174 | * | |
7175 | * This function is not invoked during READDIR reply decoding, but | |
7176 | * rather whenever an application invokes the getdents(2) system call | |
7177 | * on a directory already in our cache. | |
7178 | */ | |
7179 | int nfs4_decode_dirent(struct xdr_stream *xdr, struct nfs_entry *entry, | |
7180 | int plus) | |
1da177e4 | 7181 | { |
256e48bb | 7182 | unsigned int savep; |
dae100c2 | 7183 | uint32_t bitmap[3] = {0}; |
1da177e4 | 7184 | uint32_t len; |
babddc72 BS |
7185 | __be32 *p = xdr_inline_decode(xdr, 4); |
7186 | if (unlikely(!p)) | |
7187 | goto out_overflow; | |
c08e76d0 | 7188 | if (*p == xdr_zero) { |
babddc72 BS |
7189 | p = xdr_inline_decode(xdr, 4); |
7190 | if (unlikely(!p)) | |
7191 | goto out_overflow; | |
c08e76d0 | 7192 | if (*p == xdr_zero) |
573c4e1e | 7193 | return -EAGAIN; |
1da177e4 | 7194 | entry->eof = 1; |
573c4e1e | 7195 | return -EBADCOOKIE; |
1da177e4 LT |
7196 | } |
7197 | ||
babddc72 BS |
7198 | p = xdr_inline_decode(xdr, 12); |
7199 | if (unlikely(!p)) | |
7200 | goto out_overflow; | |
1da177e4 LT |
7201 | entry->prev_cookie = entry->cookie; |
7202 | p = xdr_decode_hyper(p, &entry->cookie); | |
c08e76d0 | 7203 | entry->len = be32_to_cpup(p); |
babddc72 | 7204 | |
9af8c222 | 7205 | p = xdr_inline_decode(xdr, entry->len); |
babddc72 BS |
7206 | if (unlikely(!p)) |
7207 | goto out_overflow; | |
1da177e4 | 7208 | entry->name = (const char *) p; |
1da177e4 LT |
7209 | |
7210 | /* | |
7211 | * In case the server doesn't return an inode number, | |
7212 | * we fake one here. (We don't use inode number 0, | |
7213 | * since glibc seems to choke on it...) | |
7214 | */ | |
7215 | entry->ino = 1; | |
4f082222 | 7216 | entry->fattr->valid = 0; |
1da177e4 | 7217 | |
9af8c222 TM |
7218 | if (decode_attr_bitmap(xdr, bitmap) < 0) |
7219 | goto out_overflow; | |
7220 | ||
256e48bb | 7221 | if (decode_attr_length(xdr, &len, &savep) < 0) |
9af8c222 TM |
7222 | goto out_overflow; |
7223 | ||
573c4e1e | 7224 | if (decode_getfattr_attrs(xdr, bitmap, entry->fattr, entry->fh, |
aa9c2669 | 7225 | NULL, entry->label, entry->server) < 0) |
9af8c222 | 7226 | goto out_overflow; |
28331a46 TM |
7227 | if (entry->fattr->valid & NFS_ATTR_FATTR_MOUNTED_ON_FILEID) |
7228 | entry->ino = entry->fattr->mounted_on_fileid; | |
7229 | else if (entry->fattr->valid & NFS_ATTR_FATTR_FILEID) | |
9af8c222 TM |
7230 | entry->ino = entry->fattr->fileid; |
7231 | ||
0b26a0bf TM |
7232 | entry->d_type = DT_UNKNOWN; |
7233 | if (entry->fattr->valid & NFS_ATTR_FATTR_TYPE) | |
7234 | entry->d_type = nfs_umode_to_dtype(entry->fattr->mode); | |
7235 | ||
573c4e1e | 7236 | return 0; |
babddc72 BS |
7237 | |
7238 | out_overflow: | |
7239 | print_overflow_msg(__func__, xdr); | |
573c4e1e | 7240 | return -EAGAIN; |
1da177e4 LT |
7241 | } |
7242 | ||
7243 | /* | |
7244 | * We need to translate between nfs status return values and | |
7245 | * the local errno values which may not be the same. | |
7246 | */ | |
7247 | static struct { | |
7248 | int stat; | |
7249 | int errno; | |
7250 | } nfs_errtbl[] = { | |
7251 | { NFS4_OK, 0 }, | |
856dff3d BH |
7252 | { NFS4ERR_PERM, -EPERM }, |
7253 | { NFS4ERR_NOENT, -ENOENT }, | |
7254 | { NFS4ERR_IO, -errno_NFSERR_IO}, | |
7255 | { NFS4ERR_NXIO, -ENXIO }, | |
7256 | { NFS4ERR_ACCESS, -EACCES }, | |
7257 | { NFS4ERR_EXIST, -EEXIST }, | |
7258 | { NFS4ERR_XDEV, -EXDEV }, | |
7259 | { NFS4ERR_NOTDIR, -ENOTDIR }, | |
7260 | { NFS4ERR_ISDIR, -EISDIR }, | |
7261 | { NFS4ERR_INVAL, -EINVAL }, | |
7262 | { NFS4ERR_FBIG, -EFBIG }, | |
7263 | { NFS4ERR_NOSPC, -ENOSPC }, | |
7264 | { NFS4ERR_ROFS, -EROFS }, | |
7265 | { NFS4ERR_MLINK, -EMLINK }, | |
7266 | { NFS4ERR_NAMETOOLONG, -ENAMETOOLONG }, | |
7267 | { NFS4ERR_NOTEMPTY, -ENOTEMPTY }, | |
7268 | { NFS4ERR_DQUOT, -EDQUOT }, | |
7269 | { NFS4ERR_STALE, -ESTALE }, | |
7270 | { NFS4ERR_BADHANDLE, -EBADHANDLE }, | |
856dff3d BH |
7271 | { NFS4ERR_BAD_COOKIE, -EBADCOOKIE }, |
7272 | { NFS4ERR_NOTSUPP, -ENOTSUPP }, | |
7273 | { NFS4ERR_TOOSMALL, -ETOOSMALL }, | |
fdcb4577 | 7274 | { NFS4ERR_SERVERFAULT, -EREMOTEIO }, |
856dff3d BH |
7275 | { NFS4ERR_BADTYPE, -EBADTYPE }, |
7276 | { NFS4ERR_LOCKED, -EAGAIN }, | |
856dff3d BH |
7277 | { NFS4ERR_SYMLINK, -ELOOP }, |
7278 | { NFS4ERR_OP_ILLEGAL, -EOPNOTSUPP }, | |
7279 | { NFS4ERR_DEADLOCK, -EDEADLK }, | |
856dff3d | 7280 | { -1, -EIO } |
1da177e4 LT |
7281 | }; |
7282 | ||
7283 | /* | |
7284 | * Convert an NFS error code to a local one. | |
7285 | * This one is used jointly by NFSv2 and NFSv3. | |
7286 | */ | |
7287 | static int | |
0a8ea437 | 7288 | nfs4_stat_to_errno(int stat) |
1da177e4 LT |
7289 | { |
7290 | int i; | |
7291 | for (i = 0; nfs_errtbl[i].stat != -1; i++) { | |
7292 | if (nfs_errtbl[i].stat == stat) | |
7293 | return nfs_errtbl[i].errno; | |
7294 | } | |
7295 | if (stat <= 10000 || stat > 10100) { | |
7296 | /* The server is looney tunes. */ | |
fdcb4577 | 7297 | return -EREMOTEIO; |
1da177e4 LT |
7298 | } |
7299 | /* If we cannot translate the error, the recovery routines should | |
7300 | * handle it. | |
7301 | * Note: remaining NFSv4 error codes have values > 10000, so should | |
7302 | * not conflict with native Linux error codes. | |
7303 | */ | |
856dff3d | 7304 | return -stat; |
1da177e4 LT |
7305 | } |
7306 | ||
1da177e4 LT |
7307 | #define PROC(proc, argtype, restype) \ |
7308 | [NFSPROC4_CLNT_##proc] = { \ | |
7309 | .p_proc = NFSPROC4_COMPOUND, \ | |
9f06c719 | 7310 | .p_encode = (kxdreproc_t)nfs4_xdr_##argtype, \ |
bf269551 | 7311 | .p_decode = (kxdrdproc_t)nfs4_xdr_##restype, \ |
2bea90d4 CL |
7312 | .p_arglen = NFS4_##argtype##_sz, \ |
7313 | .p_replen = NFS4_##restype##_sz, \ | |
cc0175c1 CL |
7314 | .p_statidx = NFSPROC4_CLNT_##proc, \ |
7315 | .p_name = #proc, \ | |
05d564fe | 7316 | } |
1da177e4 LT |
7317 | |
7318 | struct rpc_procinfo nfs4_procedures[] = { | |
7d93bd71 CL |
7319 | PROC(READ, enc_read, dec_read), |
7320 | PROC(WRITE, enc_write, dec_write), | |
7321 | PROC(COMMIT, enc_commit, dec_commit), | |
7322 | PROC(OPEN, enc_open, dec_open), | |
7323 | PROC(OPEN_CONFIRM, enc_open_confirm, dec_open_confirm), | |
7324 | PROC(OPEN_NOATTR, enc_open_noattr, dec_open_noattr), | |
7325 | PROC(OPEN_DOWNGRADE, enc_open_downgrade, dec_open_downgrade), | |
7326 | PROC(CLOSE, enc_close, dec_close), | |
7327 | PROC(SETATTR, enc_setattr, dec_setattr), | |
7328 | PROC(FSINFO, enc_fsinfo, dec_fsinfo), | |
7329 | PROC(RENEW, enc_renew, dec_renew), | |
7330 | PROC(SETCLIENTID, enc_setclientid, dec_setclientid), | |
7331 | PROC(SETCLIENTID_CONFIRM, enc_setclientid_confirm, dec_setclientid_confirm), | |
7332 | PROC(LOCK, enc_lock, dec_lock), | |
7333 | PROC(LOCKT, enc_lockt, dec_lockt), | |
7334 | PROC(LOCKU, enc_locku, dec_locku), | |
7335 | PROC(ACCESS, enc_access, dec_access), | |
7336 | PROC(GETATTR, enc_getattr, dec_getattr), | |
7337 | PROC(LOOKUP, enc_lookup, dec_lookup), | |
7338 | PROC(LOOKUP_ROOT, enc_lookup_root, dec_lookup_root), | |
7339 | PROC(REMOVE, enc_remove, dec_remove), | |
7340 | PROC(RENAME, enc_rename, dec_rename), | |
7341 | PROC(LINK, enc_link, dec_link), | |
7342 | PROC(SYMLINK, enc_symlink, dec_symlink), | |
7343 | PROC(CREATE, enc_create, dec_create), | |
7344 | PROC(PATHCONF, enc_pathconf, dec_pathconf), | |
7345 | PROC(STATFS, enc_statfs, dec_statfs), | |
7346 | PROC(READLINK, enc_readlink, dec_readlink), | |
7347 | PROC(READDIR, enc_readdir, dec_readdir), | |
7348 | PROC(SERVER_CAPS, enc_server_caps, dec_server_caps), | |
7349 | PROC(DELEGRETURN, enc_delegreturn, dec_delegreturn), | |
7350 | PROC(GETACL, enc_getacl, dec_getacl), | |
7351 | PROC(SETACL, enc_setacl, dec_setacl), | |
7352 | PROC(FS_LOCATIONS, enc_fs_locations, dec_fs_locations), | |
7353 | PROC(RELEASE_LOCKOWNER, enc_release_lockowner, dec_release_lockowner), | |
5a5ea0d4 | 7354 | PROC(SECINFO, enc_secinfo, dec_secinfo), |
99fe60d0 | 7355 | #if defined(CONFIG_NFS_V4_1) |
7d93bd71 CL |
7356 | PROC(EXCHANGE_ID, enc_exchange_id, dec_exchange_id), |
7357 | PROC(CREATE_SESSION, enc_create_session, dec_create_session), | |
7358 | PROC(DESTROY_SESSION, enc_destroy_session, dec_destroy_session), | |
7359 | PROC(SEQUENCE, enc_sequence, dec_sequence), | |
7360 | PROC(GET_LEASE_TIME, enc_get_lease_time, dec_get_lease_time), | |
7361 | PROC(RECLAIM_COMPLETE, enc_reclaim_complete, dec_reclaim_complete), | |
7362 | PROC(GETDEVICEINFO, enc_getdeviceinfo, dec_getdeviceinfo), | |
7363 | PROC(LAYOUTGET, enc_layoutget, dec_layoutget), | |
863a3c6c | 7364 | PROC(LAYOUTCOMMIT, enc_layoutcommit, dec_layoutcommit), |
cbe82603 | 7365 | PROC(LAYOUTRETURN, enc_layoutreturn, dec_layoutreturn), |
fca78d6d | 7366 | PROC(SECINFO_NO_NAME, enc_secinfo_no_name, dec_secinfo_no_name), |
7d974794 | 7367 | PROC(TEST_STATEID, enc_test_stateid, dec_test_stateid), |
9aeda35f | 7368 | PROC(FREE_STATEID, enc_free_stateid, dec_free_stateid), |
7f11d8d3 | 7369 | PROC(GETDEVICELIST, enc_getdevicelist, dec_getdevicelist), |
ad24ecfb TM |
7370 | PROC(BIND_CONN_TO_SESSION, |
7371 | enc_bind_conn_to_session, dec_bind_conn_to_session), | |
66245539 | 7372 | PROC(DESTROY_CLIENTID, enc_destroy_clientid, dec_destroy_clientid), |
99fe60d0 | 7373 | #endif /* CONFIG_NFS_V4_1 */ |
1da177e4 LT |
7374 | }; |
7375 | ||
a613fa16 | 7376 | const struct rpc_version nfs_version4 = { |
1da177e4 | 7377 | .number = 4, |
e8c96f8c | 7378 | .nrprocs = ARRAY_SIZE(nfs4_procedures), |
1da177e4 LT |
7379 | .procs = nfs4_procedures |
7380 | }; | |
7381 | ||
7382 | /* | |
7383 | * Local variables: | |
7384 | * c-basic-offset: 8 | |
7385 | * End: | |
7386 | */ |