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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)) | |
aa9c2669 DQ |
108 | #else |
109 | #define nfs4_label_maxsz 0 | |
aa9c2669 | 110 | #endif |
88034c3d AA |
111 | /* We support only one layout type per file system */ |
112 | #define decode_mdsthreshold_maxsz (1 + 1 + nfs4_fattr_bitmap_maxsz + 1 + 8) | |
96928206 BF |
113 | /* This is based on getfattr, which uses the most attributes: */ |
114 | #define nfs4_fattr_value_maxsz (1 + (1 + 2 + 2 + 4 + 2 + 1 + 1 + 2 + 2 + \ | |
88034c3d | 115 | 3 + 3 + 3 + nfs4_owner_maxsz + \ |
aa9c2669 DQ |
116 | nfs4_group_maxsz + nfs4_label_maxsz + \ |
117 | decode_mdsthreshold_maxsz)) | |
96928206 BF |
118 | #define nfs4_fattr_maxsz (nfs4_fattr_bitmap_maxsz + \ |
119 | nfs4_fattr_value_maxsz) | |
120 | #define decode_getattr_maxsz (op_decode_hdr_maxsz + nfs4_fattr_maxsz) | |
9104a55d TM |
121 | #define encode_attrs_maxsz (nfs4_fattr_bitmap_maxsz + \ |
122 | 1 + 2 + 1 + \ | |
123 | nfs4_owner_maxsz + \ | |
124 | nfs4_group_maxsz + \ | |
aa9c2669 | 125 | nfs4_label_maxsz + \ |
9104a55d | 126 | 4 + 4) |
1da177e4 LT |
127 | #define encode_savefh_maxsz (op_encode_hdr_maxsz) |
128 | #define decode_savefh_maxsz (op_decode_hdr_maxsz) | |
56ae19f3 TM |
129 | #define encode_restorefh_maxsz (op_encode_hdr_maxsz) |
130 | #define decode_restorefh_maxsz (op_decode_hdr_maxsz) | |
2f42b5d0 | 131 | #define encode_fsinfo_maxsz (encode_getattr_maxsz) |
dae100c2 FI |
132 | /* The 5 accounts for the PNFS attributes, and assumes that at most three |
133 | * layout types will be returned. | |
134 | */ | |
135 | #define decode_fsinfo_maxsz (op_decode_hdr_maxsz + \ | |
136 | nfs4_fattr_bitmap_maxsz + 4 + 8 + 5) | |
1da177e4 LT |
137 | #define encode_renew_maxsz (op_encode_hdr_maxsz + 3) |
138 | #define decode_renew_maxsz (op_decode_hdr_maxsz) | |
139 | #define encode_setclientid_maxsz \ | |
140 | (op_encode_hdr_maxsz + \ | |
cc38bac3 CL |
141 | XDR_QUADLEN(NFS4_VERIFIER_SIZE) + \ |
142 | XDR_QUADLEN(NFS4_SETCLIENTID_NAMELEN) + \ | |
143 | 1 /* sc_prog */ + \ | |
144 | XDR_QUADLEN(RPCBIND_MAXNETIDLEN) + \ | |
145 | XDR_QUADLEN(RPCBIND_MAXUADDRLEN) + \ | |
146 | 1) /* sc_cb_ident */ | |
1da177e4 LT |
147 | #define decode_setclientid_maxsz \ |
148 | (op_decode_hdr_maxsz + \ | |
149 | 2 + \ | |
150 | 1024) /* large value for CLID_INUSE */ | |
151 | #define encode_setclientid_confirm_maxsz \ | |
152 | (op_encode_hdr_maxsz + \ | |
153 | 3 + (NFS4_VERIFIER_SIZE >> 2)) | |
154 | #define decode_setclientid_confirm_maxsz \ | |
155 | (op_decode_hdr_maxsz) | |
e6889620 TM |
156 | #define encode_lookup_maxsz (op_encode_hdr_maxsz + nfs4_name_maxsz) |
157 | #define decode_lookup_maxsz (op_decode_hdr_maxsz) | |
2cebf828 TM |
158 | #define encode_share_access_maxsz \ |
159 | (2) | |
4882ef72 | 160 | #define encode_createmode_maxsz (1 + encode_attrs_maxsz + encode_verifier_maxsz) |
2cebf828 TM |
161 | #define encode_opentype_maxsz (1 + encode_createmode_maxsz) |
162 | #define encode_claim_null_maxsz (1 + nfs4_name_maxsz) | |
163 | #define encode_open_maxsz (op_encode_hdr_maxsz + \ | |
164 | 2 + encode_share_access_maxsz + 2 + \ | |
165 | open_owner_id_maxsz + \ | |
166 | encode_opentype_maxsz + \ | |
167 | encode_claim_null_maxsz) | |
168 | #define decode_ace_maxsz (3 + nfs4_owner_maxsz) | |
9104a55d | 169 | #define decode_delegation_maxsz (1 + decode_stateid_maxsz + 1 + \ |
2cebf828 TM |
170 | decode_ace_maxsz) |
171 | #define decode_change_info_maxsz (5) | |
172 | #define decode_open_maxsz (op_decode_hdr_maxsz + \ | |
9104a55d | 173 | decode_stateid_maxsz + \ |
2cebf828 TM |
174 | decode_change_info_maxsz + 1 + \ |
175 | nfs4_fattr_bitmap_maxsz + \ | |
176 | decode_delegation_maxsz) | |
9104a55d TM |
177 | #define encode_open_confirm_maxsz \ |
178 | (op_encode_hdr_maxsz + \ | |
179 | encode_stateid_maxsz + 1) | |
180 | #define decode_open_confirm_maxsz \ | |
181 | (op_decode_hdr_maxsz + \ | |
182 | decode_stateid_maxsz) | |
183 | #define encode_open_downgrade_maxsz \ | |
184 | (op_encode_hdr_maxsz + \ | |
185 | encode_stateid_maxsz + 1 + \ | |
186 | encode_share_access_maxsz) | |
187 | #define decode_open_downgrade_maxsz \ | |
188 | (op_decode_hdr_maxsz + \ | |
189 | decode_stateid_maxsz) | |
190 | #define encode_close_maxsz (op_encode_hdr_maxsz + \ | |
191 | 1 + encode_stateid_maxsz) | |
192 | #define decode_close_maxsz (op_decode_hdr_maxsz + \ | |
193 | decode_stateid_maxsz) | |
194 | #define encode_setattr_maxsz (op_encode_hdr_maxsz + \ | |
195 | encode_stateid_maxsz + \ | |
196 | encode_attrs_maxsz) | |
197 | #define decode_setattr_maxsz (op_decode_hdr_maxsz + \ | |
198 | nfs4_fattr_bitmap_maxsz) | |
199 | #define encode_read_maxsz (op_encode_hdr_maxsz + \ | |
200 | encode_stateid_maxsz + 3) | |
201 | #define decode_read_maxsz (op_decode_hdr_maxsz + 2) | |
202 | #define encode_readdir_maxsz (op_encode_hdr_maxsz + \ | |
aa9c2669 DQ |
203 | 2 + encode_verifier_maxsz + 5 + \ |
204 | nfs4_label_maxsz) | |
9104a55d | 205 | #define decode_readdir_maxsz (op_decode_hdr_maxsz + \ |
aa9c2669 DQ |
206 | decode_verifier_maxsz + \ |
207 | nfs4_label_maxsz + nfs4_fattr_maxsz) | |
9104a55d TM |
208 | #define encode_readlink_maxsz (op_encode_hdr_maxsz) |
209 | #define decode_readlink_maxsz (op_decode_hdr_maxsz + 1) | |
210 | #define encode_write_maxsz (op_encode_hdr_maxsz + \ | |
211 | encode_stateid_maxsz + 4) | |
212 | #define decode_write_maxsz (op_decode_hdr_maxsz + \ | |
213 | 2 + decode_verifier_maxsz) | |
214 | #define encode_commit_maxsz (op_encode_hdr_maxsz + 3) | |
215 | #define decode_commit_maxsz (op_decode_hdr_maxsz + \ | |
216 | decode_verifier_maxsz) | |
1da177e4 LT |
217 | #define encode_remove_maxsz (op_encode_hdr_maxsz + \ |
218 | nfs4_name_maxsz) | |
6ce18391 BH |
219 | #define decode_remove_maxsz (op_decode_hdr_maxsz + \ |
220 | decode_change_info_maxsz) | |
1da177e4 LT |
221 | #define encode_rename_maxsz (op_encode_hdr_maxsz + \ |
222 | 2 * nfs4_name_maxsz) | |
6ce18391 BH |
223 | #define decode_rename_maxsz (op_decode_hdr_maxsz + \ |
224 | decode_change_info_maxsz + \ | |
225 | decode_change_info_maxsz) | |
1da177e4 LT |
226 | #define encode_link_maxsz (op_encode_hdr_maxsz + \ |
227 | nfs4_name_maxsz) | |
6ce18391 | 228 | #define decode_link_maxsz (op_decode_hdr_maxsz + decode_change_info_maxsz) |
daccbded | 229 | #define encode_lockowner_maxsz (7) |
9104a55d TM |
230 | #define encode_lock_maxsz (op_encode_hdr_maxsz + \ |
231 | 7 + \ | |
daccbded TM |
232 | 1 + encode_stateid_maxsz + 1 + \ |
233 | encode_lockowner_maxsz) | |
9104a55d TM |
234 | #define decode_lock_denied_maxsz \ |
235 | (8 + decode_lockowner_maxsz) | |
236 | #define decode_lock_maxsz (op_decode_hdr_maxsz + \ | |
237 | decode_lock_denied_maxsz) | |
daccbded TM |
238 | #define encode_lockt_maxsz (op_encode_hdr_maxsz + 5 + \ |
239 | encode_lockowner_maxsz) | |
9104a55d TM |
240 | #define decode_lockt_maxsz (op_decode_hdr_maxsz + \ |
241 | decode_lock_denied_maxsz) | |
242 | #define encode_locku_maxsz (op_encode_hdr_maxsz + 3 + \ | |
243 | encode_stateid_maxsz + \ | |
244 | 4) | |
245 | #define decode_locku_maxsz (op_decode_hdr_maxsz + \ | |
246 | decode_stateid_maxsz) | |
d3c7b7cc TM |
247 | #define encode_release_lockowner_maxsz \ |
248 | (op_encode_hdr_maxsz + \ | |
249 | encode_lockowner_maxsz) | |
250 | #define decode_release_lockowner_maxsz \ | |
251 | (op_decode_hdr_maxsz) | |
9104a55d TM |
252 | #define encode_access_maxsz (op_encode_hdr_maxsz + 1) |
253 | #define decode_access_maxsz (op_decode_hdr_maxsz + 2) | |
1da177e4 LT |
254 | #define encode_symlink_maxsz (op_encode_hdr_maxsz + \ |
255 | 1 + nfs4_name_maxsz + \ | |
94a6d753 | 256 | 1 + \ |
96928206 | 257 | nfs4_fattr_maxsz) |
1da177e4 LT |
258 | #define decode_symlink_maxsz (op_decode_hdr_maxsz + 8) |
259 | #define encode_create_maxsz (op_encode_hdr_maxsz + \ | |
9104a55d TM |
260 | 1 + 2 + nfs4_name_maxsz + \ |
261 | encode_attrs_maxsz) | |
2cebf828 TM |
262 | #define decode_create_maxsz (op_decode_hdr_maxsz + \ |
263 | decode_change_info_maxsz + \ | |
264 | nfs4_fattr_bitmap_maxsz) | |
9104a55d TM |
265 | #define encode_statfs_maxsz (encode_getattr_maxsz) |
266 | #define decode_statfs_maxsz (decode_getattr_maxsz) | |
1da177e4 LT |
267 | #define encode_delegreturn_maxsz (op_encode_hdr_maxsz + 4) |
268 | #define decode_delegreturn_maxsz (op_decode_hdr_maxsz) | |
9104a55d TM |
269 | #define encode_getacl_maxsz (encode_getattr_maxsz) |
270 | #define decode_getacl_maxsz (op_decode_hdr_maxsz + \ | |
271 | nfs4_fattr_bitmap_maxsz + 1) | |
272 | #define encode_setacl_maxsz (op_encode_hdr_maxsz + \ | |
273 | encode_stateid_maxsz + 3) | |
274 | #define decode_setacl_maxsz (decode_setattr_maxsz) | |
e6889620 TM |
275 | #define encode_fs_locations_maxsz \ |
276 | (encode_getattr_maxsz) | |
277 | #define decode_fs_locations_maxsz \ | |
278 | (0) | |
5a5ea0d4 | 279 | #define encode_secinfo_maxsz (op_encode_hdr_maxsz + nfs4_name_maxsz) |
1650add2 | 280 | #define decode_secinfo_maxsz (op_decode_hdr_maxsz + 1 + ((NFS_MAX_SECFLAVORS * (16 + GSS_OID_MAX_LEN)) / 4)) |
9b7b9fcc AA |
281 | |
282 | #if defined(CONFIG_NFS_V4_1) | |
fc931582 | 283 | #define NFS4_MAX_MACHINE_NAME_LEN (64) |
d751f748 JR |
284 | #define IMPL_NAME_LIMIT (sizeof(utsname()->sysname) + sizeof(utsname()->release) + \ |
285 | sizeof(utsname()->version) + sizeof(utsname()->machine) + 8) | |
fc931582 | 286 | |
99fe60d0 BH |
287 | #define encode_exchange_id_maxsz (op_encode_hdr_maxsz + \ |
288 | encode_verifier_maxsz + \ | |
289 | 1 /* co_ownerid.len */ + \ | |
290 | XDR_QUADLEN(NFS4_EXCHANGE_ID_LEN) + \ | |
291 | 1 /* flags */ + \ | |
292 | 1 /* spa_how */ + \ | |
2031cd1a WAA |
293 | /* max is SP4_MACH_CRED (for now) */ + \ |
294 | 1 + NFS4_OP_MAP_NUM_WORDS + \ | |
295 | 1 + NFS4_OP_MAP_NUM_WORDS + \ | |
db8ac8ba WAA |
296 | 1 /* implementation id array of size 1 */ + \ |
297 | 1 /* nii_domain */ + \ | |
298 | XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + \ | |
299 | 1 /* nii_name */ + \ | |
d751f748 | 300 | XDR_QUADLEN(IMPL_NAME_LIMIT) + \ |
db8ac8ba | 301 | 3 /* nii_date */) |
99fe60d0 BH |
302 | #define decode_exchange_id_maxsz (op_decode_hdr_maxsz + \ |
303 | 2 /* eir_clientid */ + \ | |
304 | 1 /* eir_sequenceid */ + \ | |
305 | 1 /* eir_flags */ + \ | |
306 | 1 /* spr_how */ + \ | |
2031cd1a WAA |
307 | /* max is SP4_MACH_CRED (for now) */ + \ |
308 | 1 + NFS4_OP_MAP_NUM_WORDS + \ | |
309 | 1 + NFS4_OP_MAP_NUM_WORDS + \ | |
99fe60d0 BH |
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)) | |
9f79fb48 | 413 | #define decode_free_stateid_maxsz (op_decode_hdr_maxsz) |
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 | 593 | encode_putfh_maxsz + \ |
44c99933 CL |
594 | encode_getattr_maxsz + \ |
595 | encode_renew_maxsz) | |
1da177e4 | 596 | #define NFS4_dec_getattr_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 597 | decode_sequence_maxsz + \ |
1da177e4 | 598 | decode_putfh_maxsz + \ |
44c99933 CL |
599 | decode_getattr_maxsz + \ |
600 | decode_renew_maxsz) | |
1da177e4 | 601 | #define NFS4_enc_lookup_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 602 | encode_sequence_maxsz + \ |
1da177e4 LT |
603 | encode_putfh_maxsz + \ |
604 | encode_lookup_maxsz + \ | |
605 | encode_getattr_maxsz + \ | |
606 | encode_getfh_maxsz) | |
607 | #define NFS4_dec_lookup_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 608 | decode_sequence_maxsz + \ |
1da177e4 | 609 | decode_putfh_maxsz + \ |
e6889620 | 610 | decode_lookup_maxsz + \ |
1da177e4 LT |
611 | decode_getattr_maxsz + \ |
612 | decode_getfh_maxsz) | |
613 | #define NFS4_enc_lookup_root_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 614 | encode_sequence_maxsz + \ |
1da177e4 LT |
615 | encode_putrootfh_maxsz + \ |
616 | encode_getattr_maxsz + \ | |
617 | encode_getfh_maxsz) | |
618 | #define NFS4_dec_lookup_root_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 619 | decode_sequence_maxsz + \ |
1da177e4 LT |
620 | decode_putrootfh_maxsz + \ |
621 | decode_getattr_maxsz + \ | |
622 | decode_getfh_maxsz) | |
623 | #define NFS4_enc_remove_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 624 | encode_sequence_maxsz + \ |
1da177e4 | 625 | encode_putfh_maxsz + \ |
778d2817 | 626 | encode_remove_maxsz) |
1da177e4 | 627 | #define NFS4_dec_remove_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 628 | decode_sequence_maxsz + \ |
1da177e4 | 629 | decode_putfh_maxsz + \ |
778d2817 | 630 | decode_remove_maxsz) |
1da177e4 | 631 | #define NFS4_enc_rename_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 632 | encode_sequence_maxsz + \ |
1da177e4 LT |
633 | encode_putfh_maxsz + \ |
634 | encode_savefh_maxsz + \ | |
635 | encode_putfh_maxsz + \ | |
778d2817 | 636 | encode_rename_maxsz) |
1da177e4 | 637 | #define NFS4_dec_rename_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 638 | decode_sequence_maxsz + \ |
1da177e4 LT |
639 | decode_putfh_maxsz + \ |
640 | decode_savefh_maxsz + \ | |
641 | decode_putfh_maxsz + \ | |
778d2817 | 642 | decode_rename_maxsz) |
1da177e4 | 643 | #define NFS4_enc_link_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 644 | encode_sequence_maxsz + \ |
1da177e4 LT |
645 | encode_putfh_maxsz + \ |
646 | encode_savefh_maxsz + \ | |
647 | encode_putfh_maxsz + \ | |
91ba2eee | 648 | encode_link_maxsz + \ |
91ba2eee | 649 | encode_restorefh_maxsz + \ |
a9f6991b | 650 | encode_getattr_maxsz) |
1da177e4 | 651 | #define NFS4_dec_link_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 652 | decode_sequence_maxsz + \ |
1da177e4 LT |
653 | decode_putfh_maxsz + \ |
654 | decode_savefh_maxsz + \ | |
655 | decode_putfh_maxsz + \ | |
91ba2eee | 656 | decode_link_maxsz + \ |
91ba2eee TM |
657 | decode_restorefh_maxsz + \ |
658 | decode_getattr_maxsz) | |
1da177e4 | 659 | #define NFS4_enc_symlink_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 660 | encode_sequence_maxsz + \ |
1da177e4 LT |
661 | encode_putfh_maxsz + \ |
662 | encode_symlink_maxsz + \ | |
663 | encode_getattr_maxsz + \ | |
664 | encode_getfh_maxsz) | |
665 | #define NFS4_dec_symlink_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 666 | decode_sequence_maxsz + \ |
1da177e4 LT |
667 | decode_putfh_maxsz + \ |
668 | decode_symlink_maxsz + \ | |
669 | decode_getattr_maxsz + \ | |
670 | decode_getfh_maxsz) | |
671 | #define NFS4_enc_create_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 672 | encode_sequence_maxsz + \ |
1da177e4 LT |
673 | encode_putfh_maxsz + \ |
674 | encode_create_maxsz + \ | |
56ae19f3 | 675 | encode_getfh_maxsz + \ |
56ae19f3 | 676 | encode_getattr_maxsz) |
1da177e4 | 677 | #define NFS4_dec_create_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 678 | decode_sequence_maxsz + \ |
1da177e4 LT |
679 | decode_putfh_maxsz + \ |
680 | decode_create_maxsz + \ | |
56ae19f3 | 681 | decode_getfh_maxsz + \ |
56ae19f3 | 682 | decode_getattr_maxsz) |
1da177e4 | 683 | #define NFS4_enc_pathconf_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 684 | encode_sequence_maxsz + \ |
1da177e4 LT |
685 | encode_putfh_maxsz + \ |
686 | encode_getattr_maxsz) | |
687 | #define NFS4_dec_pathconf_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 688 | decode_sequence_maxsz + \ |
1da177e4 LT |
689 | decode_putfh_maxsz + \ |
690 | decode_getattr_maxsz) | |
691 | #define NFS4_enc_statfs_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 692 | encode_sequence_maxsz + \ |
1da177e4 | 693 | encode_putfh_maxsz + \ |
9104a55d | 694 | encode_statfs_maxsz) |
1da177e4 | 695 | #define NFS4_dec_statfs_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 696 | decode_sequence_maxsz + \ |
1da177e4 | 697 | decode_putfh_maxsz + \ |
9104a55d | 698 | decode_statfs_maxsz) |
1da177e4 | 699 | #define NFS4_enc_server_caps_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 700 | encode_sequence_maxsz + \ |
ab91f264 | 701 | encode_putfh_maxsz + \ |
1da177e4 LT |
702 | encode_getattr_maxsz) |
703 | #define NFS4_dec_server_caps_sz (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 704 | decode_sequence_maxsz + \ |
ab91f264 | 705 | decode_putfh_maxsz + \ |
1da177e4 LT |
706 | decode_getattr_maxsz) |
707 | #define NFS4_enc_delegreturn_sz (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 708 | encode_sequence_maxsz + \ |
1da177e4 | 709 | encode_putfh_maxsz + \ |
fa178f29 TM |
710 | encode_delegreturn_maxsz + \ |
711 | encode_getattr_maxsz) | |
1da177e4 | 712 | #define NFS4_dec_delegreturn_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 713 | decode_sequence_maxsz + \ |
fa178f29 TM |
714 | decode_delegreturn_maxsz + \ |
715 | decode_getattr_maxsz) | |
029d105e | 716 | #define NFS4_enc_getacl_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 717 | encode_sequence_maxsz + \ |
029d105e | 718 | encode_putfh_maxsz + \ |
9104a55d | 719 | encode_getacl_maxsz) |
029d105e | 720 | #define NFS4_dec_getacl_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 721 | decode_sequence_maxsz + \ |
029d105e | 722 | decode_putfh_maxsz + \ |
9104a55d | 723 | decode_getacl_maxsz) |
23ec6965 | 724 | #define NFS4_enc_setacl_sz (compound_encode_hdr_maxsz + \ |
9b7b9fcc | 725 | encode_sequence_maxsz + \ |
23ec6965 | 726 | encode_putfh_maxsz + \ |
9104a55d | 727 | encode_setacl_maxsz) |
23ec6965 | 728 | #define NFS4_dec_setacl_sz (compound_decode_hdr_maxsz + \ |
9b7b9fcc | 729 | decode_sequence_maxsz + \ |
23ec6965 | 730 | decode_putfh_maxsz + \ |
9104a55d | 731 | decode_setacl_maxsz) |
683b57b4 TM |
732 | #define NFS4_enc_fs_locations_sz \ |
733 | (compound_encode_hdr_maxsz + \ | |
9b7b9fcc | 734 | encode_sequence_maxsz + \ |
683b57b4 | 735 | encode_putfh_maxsz + \ |
e6889620 | 736 | encode_lookup_maxsz + \ |
b03d735b CL |
737 | encode_fs_locations_maxsz + \ |
738 | encode_renew_maxsz) | |
683b57b4 TM |
739 | #define NFS4_dec_fs_locations_sz \ |
740 | (compound_decode_hdr_maxsz + \ | |
9b7b9fcc | 741 | decode_sequence_maxsz + \ |
683b57b4 | 742 | decode_putfh_maxsz + \ |
e6889620 | 743 | decode_lookup_maxsz + \ |
b03d735b CL |
744 | decode_fs_locations_maxsz + \ |
745 | decode_renew_maxsz) | |
5a5ea0d4 BS |
746 | #define NFS4_enc_secinfo_sz (compound_encode_hdr_maxsz + \ |
747 | encode_sequence_maxsz + \ | |
748 | encode_putfh_maxsz + \ | |
749 | encode_secinfo_maxsz) | |
750 | #define NFS4_dec_secinfo_sz (compound_decode_hdr_maxsz + \ | |
751 | decode_sequence_maxsz + \ | |
752 | decode_putfh_maxsz + \ | |
753 | decode_secinfo_maxsz) | |
44c99933 CL |
754 | #define NFS4_enc_fsid_present_sz \ |
755 | (compound_encode_hdr_maxsz + \ | |
756 | encode_sequence_maxsz + \ | |
757 | encode_putfh_maxsz + \ | |
758 | encode_getfh_maxsz + \ | |
759 | encode_renew_maxsz) | |
760 | #define NFS4_dec_fsid_present_sz \ | |
761 | (compound_decode_hdr_maxsz + \ | |
762 | decode_sequence_maxsz + \ | |
763 | decode_putfh_maxsz + \ | |
764 | decode_getfh_maxsz + \ | |
765 | decode_renew_maxsz) | |
99fe60d0 | 766 | #if defined(CONFIG_NFS_V4_1) |
7c44f1ae WAA |
767 | #define NFS4_enc_bind_conn_to_session_sz \ |
768 | (compound_encode_hdr_maxsz + \ | |
769 | encode_bind_conn_to_session_maxsz) | |
770 | #define NFS4_dec_bind_conn_to_session_sz \ | |
771 | (compound_decode_hdr_maxsz + \ | |
772 | decode_bind_conn_to_session_maxsz) | |
99fe60d0 BH |
773 | #define NFS4_enc_exchange_id_sz \ |
774 | (compound_encode_hdr_maxsz + \ | |
775 | encode_exchange_id_maxsz) | |
776 | #define NFS4_dec_exchange_id_sz \ | |
777 | (compound_decode_hdr_maxsz + \ | |
778 | decode_exchange_id_maxsz) | |
fc931582 AA |
779 | #define NFS4_enc_create_session_sz \ |
780 | (compound_encode_hdr_maxsz + \ | |
781 | encode_create_session_maxsz) | |
782 | #define NFS4_dec_create_session_sz \ | |
783 | (compound_decode_hdr_maxsz + \ | |
784 | decode_create_session_maxsz) | |
0f3e66c6 AA |
785 | #define NFS4_enc_destroy_session_sz (compound_encode_hdr_maxsz + \ |
786 | encode_destroy_session_maxsz) | |
787 | #define NFS4_dec_destroy_session_sz (compound_decode_hdr_maxsz + \ | |
788 | decode_destroy_session_maxsz) | |
66245539 TM |
789 | #define NFS4_enc_destroy_clientid_sz (compound_encode_hdr_maxsz + \ |
790 | encode_destroy_clientid_maxsz) | |
791 | #define NFS4_dec_destroy_clientid_sz (compound_decode_hdr_maxsz + \ | |
792 | decode_destroy_clientid_maxsz) | |
fc01cea9 AA |
793 | #define NFS4_enc_sequence_sz \ |
794 | (compound_decode_hdr_maxsz + \ | |
795 | encode_sequence_maxsz) | |
796 | #define NFS4_dec_sequence_sz \ | |
797 | (compound_decode_hdr_maxsz + \ | |
798 | decode_sequence_maxsz) | |
2050f0cc AA |
799 | #define NFS4_enc_get_lease_time_sz (compound_encode_hdr_maxsz + \ |
800 | encode_sequence_maxsz + \ | |
801 | encode_putrootfh_maxsz + \ | |
802 | encode_fsinfo_maxsz) | |
803 | #define NFS4_dec_get_lease_time_sz (compound_decode_hdr_maxsz + \ | |
804 | decode_sequence_maxsz + \ | |
805 | decode_putrootfh_maxsz + \ | |
806 | decode_fsinfo_maxsz) | |
18019753 RL |
807 | #define NFS4_enc_reclaim_complete_sz (compound_encode_hdr_maxsz + \ |
808 | encode_sequence_maxsz + \ | |
809 | encode_reclaim_complete_maxsz) | |
810 | #define NFS4_dec_reclaim_complete_sz (compound_decode_hdr_maxsz + \ | |
811 | decode_sequence_maxsz + \ | |
812 | decode_reclaim_complete_maxsz) | |
7f11d8d3 AA |
813 | #define NFS4_enc_getdevicelist_sz (compound_encode_hdr_maxsz + \ |
814 | encode_sequence_maxsz + \ | |
815 | encode_putfh_maxsz + \ | |
816 | encode_getdevicelist_maxsz) | |
817 | #define NFS4_dec_getdevicelist_sz (compound_decode_hdr_maxsz + \ | |
818 | decode_sequence_maxsz + \ | |
819 | decode_putfh_maxsz + \ | |
820 | decode_getdevicelist_maxsz) | |
b1f69b75 AA |
821 | #define NFS4_enc_getdeviceinfo_sz (compound_encode_hdr_maxsz + \ |
822 | encode_sequence_maxsz +\ | |
823 | encode_getdeviceinfo_maxsz) | |
824 | #define NFS4_dec_getdeviceinfo_sz (compound_decode_hdr_maxsz + \ | |
825 | decode_sequence_maxsz + \ | |
826 | decode_getdeviceinfo_maxsz) | |
827 | #define NFS4_enc_layoutget_sz (compound_encode_hdr_maxsz + \ | |
828 | encode_sequence_maxsz + \ | |
829 | encode_putfh_maxsz + \ | |
830 | encode_layoutget_maxsz) | |
831 | #define NFS4_dec_layoutget_sz (compound_decode_hdr_maxsz + \ | |
832 | decode_sequence_maxsz + \ | |
833 | decode_putfh_maxsz + \ | |
834 | decode_layoutget_maxsz) | |
863a3c6c AA |
835 | #define NFS4_enc_layoutcommit_sz (compound_encode_hdr_maxsz + \ |
836 | encode_sequence_maxsz +\ | |
837 | encode_putfh_maxsz + \ | |
838 | encode_layoutcommit_maxsz + \ | |
839 | encode_getattr_maxsz) | |
840 | #define NFS4_dec_layoutcommit_sz (compound_decode_hdr_maxsz + \ | |
841 | decode_sequence_maxsz + \ | |
842 | decode_putfh_maxsz + \ | |
843 | decode_layoutcommit_maxsz + \ | |
844 | decode_getattr_maxsz) | |
cbe82603 BH |
845 | #define NFS4_enc_layoutreturn_sz (compound_encode_hdr_maxsz + \ |
846 | encode_sequence_maxsz + \ | |
847 | encode_putfh_maxsz + \ | |
848 | encode_layoutreturn_maxsz) | |
849 | #define NFS4_dec_layoutreturn_sz (compound_decode_hdr_maxsz + \ | |
850 | decode_sequence_maxsz + \ | |
851 | decode_putfh_maxsz + \ | |
852 | decode_layoutreturn_maxsz) | |
fca78d6d BS |
853 | #define NFS4_enc_secinfo_no_name_sz (compound_encode_hdr_maxsz + \ |
854 | encode_sequence_maxsz + \ | |
855 | encode_putrootfh_maxsz +\ | |
856 | encode_secinfo_no_name_maxsz) | |
857 | #define NFS4_dec_secinfo_no_name_sz (compound_decode_hdr_maxsz + \ | |
858 | decode_sequence_maxsz + \ | |
859 | decode_putrootfh_maxsz + \ | |
860 | decode_secinfo_no_name_maxsz) | |
7d974794 BS |
861 | #define NFS4_enc_test_stateid_sz (compound_encode_hdr_maxsz + \ |
862 | encode_sequence_maxsz + \ | |
863 | encode_test_stateid_maxsz) | |
864 | #define NFS4_dec_test_stateid_sz (compound_decode_hdr_maxsz + \ | |
865 | decode_sequence_maxsz + \ | |
866 | decode_test_stateid_maxsz) | |
9aeda35f BS |
867 | #define NFS4_enc_free_stateid_sz (compound_encode_hdr_maxsz + \ |
868 | encode_sequence_maxsz + \ | |
869 | encode_free_stateid_maxsz) | |
870 | #define NFS4_dec_free_stateid_sz (compound_decode_hdr_maxsz + \ | |
871 | decode_sequence_maxsz + \ | |
872 | decode_free_stateid_maxsz) | |
2449ea2e AB |
873 | |
874 | const u32 nfs41_maxwrite_overhead = ((RPC_MAX_HEADER_WITH_AUTH + | |
875 | compound_encode_hdr_maxsz + | |
876 | encode_sequence_maxsz + | |
877 | encode_putfh_maxsz + | |
878 | encode_getattr_maxsz) * | |
879 | XDR_UNIT); | |
880 | ||
881 | const u32 nfs41_maxread_overhead = ((RPC_MAX_HEADER_WITH_AUTH + | |
882 | compound_decode_hdr_maxsz + | |
883 | decode_sequence_maxsz + | |
884 | decode_putfh_maxsz) * | |
885 | XDR_UNIT); | |
f1c097be AA |
886 | |
887 | const u32 nfs41_maxgetdevinfo_overhead = ((RPC_MAX_REPHEADER_WITH_AUTH + | |
888 | compound_decode_hdr_maxsz + | |
889 | decode_sequence_maxsz) * | |
890 | XDR_UNIT); | |
891 | EXPORT_SYMBOL_GPL(nfs41_maxgetdevinfo_overhead); | |
99fe60d0 | 892 | #endif /* CONFIG_NFS_V4_1 */ |
1da177e4 | 893 | |
bca79478 TM |
894 | static const umode_t nfs_type2fmt[] = { |
895 | [NF4BAD] = 0, | |
896 | [NF4REG] = S_IFREG, | |
897 | [NF4DIR] = S_IFDIR, | |
898 | [NF4BLK] = S_IFBLK, | |
899 | [NF4CHR] = S_IFCHR, | |
900 | [NF4LNK] = S_IFLNK, | |
901 | [NF4SOCK] = S_IFSOCK, | |
902 | [NF4FIFO] = S_IFIFO, | |
903 | [NF4ATTRDIR] = 0, | |
904 | [NF4NAMEDATTR] = 0, | |
1da177e4 LT |
905 | }; |
906 | ||
907 | struct compound_hdr { | |
908 | int32_t status; | |
909 | uint32_t nops; | |
d017931c | 910 | __be32 * nops_p; |
1da177e4 LT |
911 | uint32_t taglen; |
912 | char * tag; | |
0c4e8c18 | 913 | uint32_t replen; /* expected reply words */ |
66cc0429 | 914 | u32 minorversion; |
1da177e4 LT |
915 | }; |
916 | ||
13c65ce9 BH |
917 | static __be32 *reserve_space(struct xdr_stream *xdr, size_t nbytes) |
918 | { | |
919 | __be32 *p = xdr_reserve_space(xdr, nbytes); | |
920 | BUG_ON(!p); | |
921 | return p; | |
922 | } | |
1da177e4 | 923 | |
cb17e556 TM |
924 | static void encode_opaque_fixed(struct xdr_stream *xdr, const void *buf, size_t len) |
925 | { | |
926 | __be32 *p; | |
927 | ||
928 | p = xdr_reserve_space(xdr, len); | |
929 | xdr_encode_opaque_fixed(p, buf, len); | |
930 | } | |
931 | ||
1da177e4 LT |
932 | static void encode_string(struct xdr_stream *xdr, unsigned int len, const char *str) |
933 | { | |
8687b63a | 934 | __be32 *p; |
1da177e4 | 935 | |
6fdfb0bc | 936 | p = reserve_space(xdr, 4 + len); |
1da177e4 LT |
937 | xdr_encode_opaque(p, str, len); |
938 | } | |
939 | ||
4ade9821 TM |
940 | static void encode_uint32(struct xdr_stream *xdr, u32 n) |
941 | { | |
942 | __be32 *p; | |
943 | ||
944 | p = reserve_space(xdr, 4); | |
945 | *p = cpu_to_be32(n); | |
946 | } | |
947 | ||
ff2eb681 TM |
948 | static void encode_uint64(struct xdr_stream *xdr, u64 n) |
949 | { | |
950 | __be32 *p; | |
951 | ||
952 | p = reserve_space(xdr, 8); | |
953 | xdr_encode_hyper(p, n); | |
954 | } | |
955 | ||
4ade9821 TM |
956 | static void encode_nfs4_seqid(struct xdr_stream *xdr, |
957 | const struct nfs_seqid *seqid) | |
958 | { | |
959 | encode_uint32(xdr, seqid->sequence->counter); | |
960 | } | |
961 | ||
0c4e8c18 BH |
962 | static void encode_compound_hdr(struct xdr_stream *xdr, |
963 | struct rpc_rqst *req, | |
964 | struct compound_hdr *hdr) | |
1da177e4 | 965 | { |
8687b63a | 966 | __be32 *p; |
a17c2153 | 967 | struct rpc_auth *auth = req->rq_cred->cr_auth; |
0c4e8c18 BH |
968 | |
969 | /* initialize running count of expected bytes in reply. | |
970 | * NOTE: the replied tag SHOULD be the same is the one sent, | |
971 | * but this is not required as a MUST for the server to do so. */ | |
972 | hdr->replen = RPC_REPHDRSIZE + auth->au_rslack + 3 + hdr->taglen; | |
1da177e4 | 973 | |
7fc38846 | 974 | WARN_ON_ONCE(hdr->taglen > NFS4_MAXTAGLEN); |
6fdfb0bc TM |
975 | encode_string(xdr, hdr->taglen, hdr->tag); |
976 | p = reserve_space(xdr, 8); | |
e75bc1c8 | 977 | *p++ = cpu_to_be32(hdr->minorversion); |
d017931c | 978 | hdr->nops_p = p; |
34558513 | 979 | *p = cpu_to_be32(hdr->nops); |
d017931c AA |
980 | } |
981 | ||
ab19b481 TM |
982 | static void encode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 op, |
983 | uint32_t replen, | |
984 | struct compound_hdr *hdr) | |
985 | { | |
986 | encode_uint32(xdr, op); | |
987 | hdr->nops++; | |
988 | hdr->replen += replen; | |
989 | } | |
990 | ||
d017931c AA |
991 | static void encode_nops(struct compound_hdr *hdr) |
992 | { | |
7fc38846 | 993 | WARN_ON_ONCE(hdr->nops > NFS4_MAX_OPS); |
d017931c | 994 | *hdr->nops_p = htonl(hdr->nops); |
1da177e4 LT |
995 | } |
996 | ||
ea9d23f5 TM |
997 | static void encode_nfs4_stateid(struct xdr_stream *xdr, const nfs4_stateid *stateid) |
998 | { | |
2d2f24ad | 999 | encode_opaque_fixed(xdr, stateid, NFS4_STATEID_SIZE); |
ea9d23f5 TM |
1000 | } |
1001 | ||
1da177e4 LT |
1002 | static void encode_nfs4_verifier(struct xdr_stream *xdr, const nfs4_verifier *verf) |
1003 | { | |
cb17e556 | 1004 | encode_opaque_fixed(xdr, verf->data, NFS4_VERIFIER_SIZE); |
1da177e4 LT |
1005 | } |
1006 | ||
aa9c2669 DQ |
1007 | static void encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, |
1008 | const struct nfs4_label *label, | |
1009 | const struct nfs_server *server) | |
1da177e4 LT |
1010 | { |
1011 | char owner_name[IDMAP_NAMESZ]; | |
1012 | char owner_group[IDMAP_NAMESZ]; | |
1013 | int owner_namelen = 0; | |
1014 | int owner_grouplen = 0; | |
8687b63a | 1015 | __be32 *p; |
d7067b2d TM |
1016 | unsigned i; |
1017 | uint32_t len = 0; | |
1018 | uint32_t bmval_len; | |
1019 | uint32_t bmval[3] = { 0 }; | |
1da177e4 LT |
1020 | |
1021 | /* | |
1022 | * We reserve enough space to write the entire attribute buffer at once. | |
1023 | * In the worst-case, this would be | |
a09df2ca DQ |
1024 | * 16(bitmap) + 4(attrlen) + 8(size) + 4(mode) + 4(atime) + 4(mtime) |
1025 | * = 40 bytes, plus any contribution from variable-length fields | |
23ec6965 | 1026 | * such as owner/group. |
1da177e4 | 1027 | */ |
d7067b2d TM |
1028 | if (iap->ia_valid & ATTR_SIZE) { |
1029 | bmval[0] |= FATTR4_WORD0_SIZE; | |
1da177e4 | 1030 | len += 8; |
d7067b2d TM |
1031 | } |
1032 | if (iap->ia_valid & ATTR_MODE) { | |
1033 | bmval[1] |= FATTR4_WORD1_MODE; | |
1da177e4 | 1034 | len += 4; |
d7067b2d | 1035 | } |
1da177e4 | 1036 | if (iap->ia_valid & ATTR_UID) { |
e4fd72a1 | 1037 | owner_namelen = nfs_map_uid_to_name(server, iap->ia_uid, owner_name, IDMAP_NAMESZ); |
1da177e4 | 1038 | if (owner_namelen < 0) { |
fe82a183 | 1039 | dprintk("nfs: couldn't resolve uid %d to string\n", |
e5782076 | 1040 | from_kuid(&init_user_ns, iap->ia_uid)); |
1da177e4 LT |
1041 | /* XXX */ |
1042 | strcpy(owner_name, "nobody"); | |
1043 | owner_namelen = sizeof("nobody") - 1; | |
1044 | /* goto out; */ | |
1045 | } | |
d7067b2d | 1046 | bmval[1] |= FATTR4_WORD1_OWNER; |
1da177e4 LT |
1047 | len += 4 + (XDR_QUADLEN(owner_namelen) << 2); |
1048 | } | |
1049 | if (iap->ia_valid & ATTR_GID) { | |
e4fd72a1 | 1050 | owner_grouplen = nfs_map_gid_to_group(server, iap->ia_gid, owner_group, IDMAP_NAMESZ); |
1da177e4 | 1051 | if (owner_grouplen < 0) { |
fe82a183 | 1052 | dprintk("nfs: couldn't resolve gid %d to string\n", |
e5782076 | 1053 | from_kgid(&init_user_ns, iap->ia_gid)); |
1da177e4 LT |
1054 | strcpy(owner_group, "nobody"); |
1055 | owner_grouplen = sizeof("nobody") - 1; | |
1056 | /* goto out; */ | |
1057 | } | |
d7067b2d | 1058 | bmval[1] |= FATTR4_WORD1_OWNER_GROUP; |
1da177e4 LT |
1059 | len += 4 + (XDR_QUADLEN(owner_grouplen) << 2); |
1060 | } | |
d7067b2d TM |
1061 | if (iap->ia_valid & ATTR_ATIME_SET) { |
1062 | bmval[1] |= FATTR4_WORD1_TIME_ACCESS_SET; | |
1da177e4 | 1063 | len += 16; |
d7067b2d TM |
1064 | } else if (iap->ia_valid & ATTR_ATIME) { |
1065 | bmval[1] |= FATTR4_WORD1_TIME_ACCESS_SET; | |
1da177e4 | 1066 | len += 4; |
d7067b2d TM |
1067 | } |
1068 | if (iap->ia_valid & ATTR_MTIME_SET) { | |
1069 | bmval[1] |= FATTR4_WORD1_TIME_MODIFY_SET; | |
1da177e4 | 1070 | len += 16; |
d7067b2d TM |
1071 | } else if (iap->ia_valid & ATTR_MTIME) { |
1072 | bmval[1] |= FATTR4_WORD1_TIME_MODIFY_SET; | |
1da177e4 | 1073 | len += 4; |
d7067b2d | 1074 | } |
b4a2cf76 TM |
1075 | if (label) { |
1076 | len += 4 + 4 + 4 + (XDR_QUADLEN(label->len) << 2); | |
d7067b2d | 1077 | bmval[2] |= FATTR4_WORD2_SECURITY_LABEL; |
b4a2cf76 TM |
1078 | } |
1079 | ||
d7067b2d TM |
1080 | if (bmval[2] != 0) |
1081 | bmval_len = 3; | |
1082 | else if (bmval[1] != 0) | |
1083 | bmval_len = 2; | |
1084 | else | |
1085 | bmval_len = 1; | |
1086 | ||
1087 | p = reserve_space(xdr, 4 + (bmval_len << 2) + 4 + len); | |
1da177e4 | 1088 | |
b4a2cf76 | 1089 | *p++ = cpu_to_be32(bmval_len); |
d7067b2d TM |
1090 | for (i = 0; i < bmval_len; i++) |
1091 | *p++ = cpu_to_be32(bmval[i]); | |
1092 | *p++ = cpu_to_be32(len); | |
1da177e4 | 1093 | |
d7067b2d | 1094 | if (bmval[0] & FATTR4_WORD0_SIZE) |
b95be5a9 | 1095 | p = xdr_encode_hyper(p, iap->ia_size); |
d7067b2d | 1096 | if (bmval[1] & FATTR4_WORD1_MODE) |
e75bc1c8 | 1097 | *p++ = cpu_to_be32(iap->ia_mode & S_IALLUGO); |
d7067b2d | 1098 | if (bmval[1] & FATTR4_WORD1_OWNER) |
811652bd | 1099 | p = xdr_encode_opaque(p, owner_name, owner_namelen); |
d7067b2d | 1100 | if (bmval[1] & FATTR4_WORD1_OWNER_GROUP) |
811652bd | 1101 | p = xdr_encode_opaque(p, owner_group, owner_grouplen); |
d7067b2d TM |
1102 | if (bmval[1] & FATTR4_WORD1_TIME_ACCESS_SET) { |
1103 | if (iap->ia_valid & ATTR_ATIME_SET) { | |
1104 | *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); | |
1105 | p = xdr_encode_hyper(p, (s64)iap->ia_atime.tv_sec); | |
1106 | *p++ = cpu_to_be32(iap->ia_atime.tv_nsec); | |
1107 | } else | |
1108 | *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); | |
1da177e4 | 1109 | } |
d7067b2d TM |
1110 | if (bmval[1] & FATTR4_WORD1_TIME_MODIFY_SET) { |
1111 | if (iap->ia_valid & ATTR_MTIME_SET) { | |
1112 | *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME); | |
1113 | p = xdr_encode_hyper(p, (s64)iap->ia_mtime.tv_sec); | |
1114 | *p++ = cpu_to_be32(iap->ia_mtime.tv_nsec); | |
1115 | } else | |
1116 | *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME); | |
1da177e4 | 1117 | } |
d7067b2d | 1118 | if (bmval[2] & FATTR4_WORD2_SECURITY_LABEL) { |
aa9c2669 DQ |
1119 | *p++ = cpu_to_be32(label->lfs); |
1120 | *p++ = cpu_to_be32(label->pi); | |
1121 | *p++ = cpu_to_be32(label->len); | |
1122 | p = xdr_encode_opaque_fixed(p, label->label, label->len); | |
1123 | } | |
6c0195a4 | 1124 | |
1da177e4 | 1125 | /* out: */ |
1da177e4 LT |
1126 | } |
1127 | ||
cf8cdbe5 | 1128 | static void encode_access(struct xdr_stream *xdr, u32 access, struct compound_hdr *hdr) |
1da177e4 | 1129 | { |
475d4ba0 TM |
1130 | encode_op_hdr(xdr, OP_ACCESS, decode_access_maxsz, hdr); |
1131 | encode_uint32(xdr, access); | |
1da177e4 LT |
1132 | } |
1133 | ||
cf8cdbe5 | 1134 | static void encode_close(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1135 | { |
ab19b481 | 1136 | encode_op_hdr(xdr, OP_CLOSE, decode_close_maxsz, hdr); |
4ade9821 | 1137 | encode_nfs4_seqid(xdr, arg->seqid); |
ea9d23f5 | 1138 | encode_nfs4_stateid(xdr, arg->stateid); |
1da177e4 LT |
1139 | } |
1140 | ||
0b7c0153 | 1141 | static void encode_commit(struct xdr_stream *xdr, const struct nfs_commitargs *args, struct compound_hdr *hdr) |
1da177e4 | 1142 | { |
8687b63a | 1143 | __be32 *p; |
6c0195a4 | 1144 | |
475d4ba0 TM |
1145 | encode_op_hdr(xdr, OP_COMMIT, decode_commit_maxsz, hdr); |
1146 | p = reserve_space(xdr, 12); | |
b95be5a9 | 1147 | p = xdr_encode_hyper(p, args->offset); |
34558513 | 1148 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1149 | } |
1150 | ||
cf8cdbe5 | 1151 | static void encode_create(struct xdr_stream *xdr, const struct nfs4_create_arg *create, struct compound_hdr *hdr) |
1da177e4 | 1152 | { |
8687b63a | 1153 | __be32 *p; |
6c0195a4 | 1154 | |
475d4ba0 TM |
1155 | encode_op_hdr(xdr, OP_CREATE, decode_create_maxsz, hdr); |
1156 | encode_uint32(xdr, create->ftype); | |
1da177e4 LT |
1157 | |
1158 | switch (create->ftype) { | |
1159 | case NF4LNK: | |
13c65ce9 | 1160 | p = reserve_space(xdr, 4); |
34558513 | 1161 | *p = cpu_to_be32(create->u.symlink.len); |
94a6d753 | 1162 | xdr_write_pages(xdr, create->u.symlink.pages, 0, create->u.symlink.len); |
1da177e4 LT |
1163 | break; |
1164 | ||
1165 | case NF4BLK: case NF4CHR: | |
13c65ce9 | 1166 | p = reserve_space(xdr, 8); |
e75bc1c8 | 1167 | *p++ = cpu_to_be32(create->u.device.specdata1); |
34558513 | 1168 | *p = cpu_to_be32(create->u.device.specdata2); |
1da177e4 LT |
1169 | break; |
1170 | ||
1171 | default: | |
1172 | break; | |
1173 | } | |
1174 | ||
811652bd | 1175 | encode_string(xdr, create->name->len, create->name->name); |
aa9c2669 | 1176 | encode_attrs(xdr, create->attrs, create->label, create->server); |
1da177e4 LT |
1177 | } |
1178 | ||
cf8cdbe5 | 1179 | static void encode_getattr_one(struct xdr_stream *xdr, uint32_t bitmap, struct compound_hdr *hdr) |
1da177e4 | 1180 | { |
05d564fe | 1181 | __be32 *p; |
1da177e4 | 1182 | |
475d4ba0 TM |
1183 | encode_op_hdr(xdr, OP_GETATTR, decode_getattr_maxsz, hdr); |
1184 | p = reserve_space(xdr, 8); | |
e75bc1c8 | 1185 | *p++ = cpu_to_be32(1); |
34558513 | 1186 | *p = cpu_to_be32(bitmap); |
1da177e4 LT |
1187 | } |
1188 | ||
cf8cdbe5 | 1189 | static void encode_getattr_two(struct xdr_stream *xdr, uint32_t bm0, uint32_t bm1, struct compound_hdr *hdr) |
1da177e4 | 1190 | { |
05d564fe | 1191 | __be32 *p; |
1da177e4 | 1192 | |
475d4ba0 TM |
1193 | encode_op_hdr(xdr, OP_GETATTR, decode_getattr_maxsz, hdr); |
1194 | p = reserve_space(xdr, 12); | |
e75bc1c8 BH |
1195 | *p++ = cpu_to_be32(2); |
1196 | *p++ = cpu_to_be32(bm0); | |
34558513 | 1197 | *p = cpu_to_be32(bm1); |
1da177e4 LT |
1198 | } |
1199 | ||
dae100c2 FI |
1200 | static void |
1201 | encode_getattr_three(struct xdr_stream *xdr, | |
1202 | uint32_t bm0, uint32_t bm1, uint32_t bm2, | |
1203 | struct compound_hdr *hdr) | |
1204 | { | |
1205 | __be32 *p; | |
1206 | ||
ab19b481 | 1207 | encode_op_hdr(xdr, OP_GETATTR, decode_getattr_maxsz, hdr); |
dae100c2 FI |
1208 | if (bm2) { |
1209 | p = reserve_space(xdr, 16); | |
1210 | *p++ = cpu_to_be32(3); | |
1211 | *p++ = cpu_to_be32(bm0); | |
1212 | *p++ = cpu_to_be32(bm1); | |
1213 | *p = cpu_to_be32(bm2); | |
1214 | } else if (bm1) { | |
1215 | p = reserve_space(xdr, 12); | |
1216 | *p++ = cpu_to_be32(2); | |
1217 | *p++ = cpu_to_be32(bm0); | |
1218 | *p = cpu_to_be32(bm1); | |
1219 | } else { | |
1220 | p = reserve_space(xdr, 8); | |
1221 | *p++ = cpu_to_be32(1); | |
1222 | *p = cpu_to_be32(bm0); | |
1223 | } | |
dae100c2 FI |
1224 | } |
1225 | ||
cf8cdbe5 | 1226 | static void encode_getfattr(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
1da177e4 | 1227 | { |
a09df2ca DQ |
1228 | encode_getattr_three(xdr, bitmask[0] & nfs4_fattr_bitmap[0], |
1229 | bitmask[1] & nfs4_fattr_bitmap[1], | |
1230 | bitmask[2] & nfs4_fattr_bitmap[2], | |
1231 | hdr); | |
1da177e4 LT |
1232 | } |
1233 | ||
88034c3d | 1234 | static void encode_getfattr_open(struct xdr_stream *xdr, const u32 *bitmask, |
1549210f | 1235 | const u32 *open_bitmap, |
88034c3d AA |
1236 | struct compound_hdr *hdr) |
1237 | { | |
1238 | encode_getattr_three(xdr, | |
1549210f TM |
1239 | bitmask[0] & open_bitmap[0], |
1240 | bitmask[1] & open_bitmap[1], | |
1241 | bitmask[2] & open_bitmap[2], | |
88034c3d AA |
1242 | hdr); |
1243 | } | |
1244 | ||
cf8cdbe5 | 1245 | static void encode_fsinfo(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
1da177e4 | 1246 | { |
dae100c2 FI |
1247 | encode_getattr_three(xdr, |
1248 | bitmask[0] & nfs4_fsinfo_bitmap[0], | |
1249 | bitmask[1] & nfs4_fsinfo_bitmap[1], | |
1250 | bitmask[2] & nfs4_fsinfo_bitmap[2], | |
1251 | hdr); | |
1da177e4 LT |
1252 | } |
1253 | ||
cf8cdbe5 | 1254 | static void encode_fs_locations(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr) |
830b8e33 | 1255 | { |
cf8cdbe5 AA |
1256 | encode_getattr_two(xdr, bitmask[0] & nfs4_fs_locations_bitmap[0], |
1257 | bitmask[1] & nfs4_fs_locations_bitmap[1], hdr); | |
830b8e33 MN |
1258 | } |
1259 | ||
cf8cdbe5 | 1260 | static void encode_getfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1261 | { |
ab19b481 | 1262 | encode_op_hdr(xdr, OP_GETFH, decode_getfh_maxsz, hdr); |
1da177e4 LT |
1263 | } |
1264 | ||
cf8cdbe5 | 1265 | static void encode_link(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1266 | { |
ab19b481 | 1267 | encode_op_hdr(xdr, OP_LINK, decode_link_maxsz, hdr); |
6fdfb0bc | 1268 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1269 | } |
1270 | ||
911d1aaf TM |
1271 | static inline int nfs4_lock_type(struct file_lock *fl, int block) |
1272 | { | |
f44106e2 | 1273 | if (fl->fl_type == F_RDLCK) |
911d1aaf TM |
1274 | return block ? NFS4_READW_LT : NFS4_READ_LT; |
1275 | return block ? NFS4_WRITEW_LT : NFS4_WRITE_LT; | |
1276 | } | |
1277 | ||
1278 | static inline uint64_t nfs4_lock_length(struct file_lock *fl) | |
1279 | { | |
1280 | if (fl->fl_end == OFFSET_MAX) | |
1281 | return ~(uint64_t)0; | |
1282 | return fl->fl_end - fl->fl_start + 1; | |
1283 | } | |
1284 | ||
daccbded TM |
1285 | static void encode_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner) |
1286 | { | |
1287 | __be32 *p; | |
1288 | ||
d035c36c | 1289 | p = reserve_space(xdr, 32); |
daccbded | 1290 | p = xdr_encode_hyper(p, lowner->clientid); |
d035c36c | 1291 | *p++ = cpu_to_be32(20); |
daccbded | 1292 | p = xdr_encode_opaque_fixed(p, "lock id:", 8); |
d035c36c | 1293 | *p++ = cpu_to_be32(lowner->s_dev); |
daccbded TM |
1294 | xdr_encode_hyper(p, lowner->id); |
1295 | } | |
1296 | ||
1da177e4 LT |
1297 | /* |
1298 | * opcode,type,reclaim,offset,length,new_lock_owner = 32 | |
1299 | * open_seqid,open_stateid,lock_seqid,lock_owner.clientid, lock_owner.id = 40 | |
1300 | */ | |
cf8cdbe5 | 1301 | static void encode_lock(struct xdr_stream *xdr, const struct nfs_lock_args *args, struct compound_hdr *hdr) |
1da177e4 | 1302 | { |
8687b63a | 1303 | __be32 *p; |
1da177e4 | 1304 | |
475d4ba0 TM |
1305 | encode_op_hdr(xdr, OP_LOCK, decode_lock_maxsz, hdr); |
1306 | p = reserve_space(xdr, 28); | |
e75bc1c8 BH |
1307 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, args->block)); |
1308 | *p++ = cpu_to_be32(args->reclaim); | |
b95be5a9 BH |
1309 | p = xdr_encode_hyper(p, args->fl->fl_start); |
1310 | p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); | |
34558513 | 1311 | *p = cpu_to_be32(args->new_lock_owner); |
911d1aaf | 1312 | if (args->new_lock_owner){ |
4ade9821 | 1313 | encode_nfs4_seqid(xdr, args->open_seqid); |
ea9d23f5 | 1314 | encode_nfs4_stateid(xdr, args->open_stateid); |
4ade9821 | 1315 | encode_nfs4_seqid(xdr, args->lock_seqid); |
daccbded | 1316 | encode_lockowner(xdr, &args->lock_owner); |
1da177e4 LT |
1317 | } |
1318 | else { | |
ea9d23f5 | 1319 | encode_nfs4_stateid(xdr, args->lock_stateid); |
4ade9821 | 1320 | encode_nfs4_seqid(xdr, args->lock_seqid); |
1da177e4 | 1321 | } |
1da177e4 LT |
1322 | } |
1323 | ||
cf8cdbe5 | 1324 | static void encode_lockt(struct xdr_stream *xdr, const struct nfs_lockt_args *args, struct compound_hdr *hdr) |
1da177e4 | 1325 | { |
8687b63a | 1326 | __be32 *p; |
1da177e4 | 1327 | |
475d4ba0 TM |
1328 | encode_op_hdr(xdr, OP_LOCKT, decode_lockt_maxsz, hdr); |
1329 | p = reserve_space(xdr, 20); | |
e75bc1c8 | 1330 | *p++ = cpu_to_be32(nfs4_lock_type(args->fl, 0)); |
b95be5a9 BH |
1331 | p = xdr_encode_hyper(p, args->fl->fl_start); |
1332 | p = xdr_encode_hyper(p, nfs4_lock_length(args->fl)); | |
daccbded | 1333 | encode_lockowner(xdr, &args->lock_owner); |
1da177e4 LT |
1334 | } |
1335 | ||
cf8cdbe5 | 1336 | static void encode_locku(struct xdr_stream *xdr, const struct nfs_locku_args *args, struct compound_hdr *hdr) |
1da177e4 | 1337 | { |
8687b63a | 1338 | __be32 *p; |
1da177e4 | 1339 | |
475d4ba0 TM |
1340 | encode_op_hdr(xdr, OP_LOCKU, decode_locku_maxsz, hdr); |
1341 | encode_uint32(xdr, nfs4_lock_type(args->fl, 0)); | |
4ade9821 | 1342 | encode_nfs4_seqid(xdr, args->seqid); |
ea9d23f5 TM |
1343 | encode_nfs4_stateid(xdr, args->stateid); |
1344 | p = reserve_space(xdr, 16); | |
b95be5a9 | 1345 | p = xdr_encode_hyper(p, args->fl->fl_start); |
34558513 | 1346 | xdr_encode_hyper(p, nfs4_lock_length(args->fl)); |
1da177e4 LT |
1347 | } |
1348 | ||
d3c7b7cc TM |
1349 | static void encode_release_lockowner(struct xdr_stream *xdr, const struct nfs_lowner *lowner, struct compound_hdr *hdr) |
1350 | { | |
ab19b481 | 1351 | encode_op_hdr(xdr, OP_RELEASE_LOCKOWNER, decode_release_lockowner_maxsz, hdr); |
d3c7b7cc | 1352 | encode_lockowner(xdr, lowner); |
d3c7b7cc TM |
1353 | } |
1354 | ||
cf8cdbe5 | 1355 | static void encode_lookup(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1356 | { |
ab19b481 | 1357 | encode_op_hdr(xdr, OP_LOOKUP, decode_lookup_maxsz, hdr); |
6fdfb0bc | 1358 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1359 | } |
1360 | ||
dc0b027d | 1361 | static void encode_share_access(struct xdr_stream *xdr, fmode_t fmode) |
1da177e4 | 1362 | { |
8687b63a | 1363 | __be32 *p; |
1da177e4 | 1364 | |
13c65ce9 | 1365 | p = reserve_space(xdr, 8); |
dc0b027d | 1366 | switch (fmode & (FMODE_READ|FMODE_WRITE)) { |
05d564fe | 1367 | case FMODE_READ: |
e75bc1c8 | 1368 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_READ); |
05d564fe AA |
1369 | break; |
1370 | case FMODE_WRITE: | |
e75bc1c8 | 1371 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_WRITE); |
05d564fe AA |
1372 | break; |
1373 | case FMODE_READ|FMODE_WRITE: | |
e75bc1c8 | 1374 | *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_BOTH); |
05d564fe AA |
1375 | break; |
1376 | default: | |
e75bc1c8 | 1377 | *p++ = cpu_to_be32(0); |
1da177e4 | 1378 | } |
34558513 | 1379 | *p = cpu_to_be32(0); /* for linux, share_deny = 0 always */ |
1da177e4 LT |
1380 | } |
1381 | ||
1382 | static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1383 | { | |
8687b63a | 1384 | __be32 *p; |
1da177e4 LT |
1385 | /* |
1386 | * opcode 4, seqid 4, share_access 4, share_deny 4, clientid 8, ownerlen 4, | |
1387 | * owner 4 = 32 | |
1388 | */ | |
4ade9821 | 1389 | encode_nfs4_seqid(xdr, arg->seqid); |
dc0b027d | 1390 | encode_share_access(xdr, arg->fmode); |
95b72eb0 | 1391 | p = reserve_space(xdr, 36); |
b95be5a9 | 1392 | p = xdr_encode_hyper(p, arg->clientid); |
95b72eb0 | 1393 | *p++ = cpu_to_be32(24); |
93f0cf25 | 1394 | p = xdr_encode_opaque_fixed(p, "open id:", 8); |
d035c36c | 1395 | *p++ = cpu_to_be32(arg->server->s_dev); |
95b72eb0 TM |
1396 | *p++ = cpu_to_be32(arg->id.uniquifier); |
1397 | xdr_encode_hyper(p, arg->id.create_time); | |
1da177e4 LT |
1398 | } |
1399 | ||
1400 | static inline void encode_createmode(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1401 | { | |
549b19cc | 1402 | struct iattr dummy; |
8687b63a | 1403 | __be32 *p; |
1da177e4 | 1404 | |
13c65ce9 | 1405 | p = reserve_space(xdr, 4); |
549b19cc TM |
1406 | switch(arg->createmode) { |
1407 | case NFS4_CREATE_UNCHECKED: | |
34558513 | 1408 | *p = cpu_to_be32(NFS4_CREATE_UNCHECKED); |
aa9c2669 | 1409 | encode_attrs(xdr, arg->u.attrs, arg->label, arg->server); |
05d564fe | 1410 | break; |
549b19cc TM |
1411 | case NFS4_CREATE_GUARDED: |
1412 | *p = cpu_to_be32(NFS4_CREATE_GUARDED); | |
aa9c2669 | 1413 | encode_attrs(xdr, arg->u.attrs, arg->label, arg->server); |
549b19cc TM |
1414 | break; |
1415 | case NFS4_CREATE_EXCLUSIVE: | |
1416 | *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE); | |
1417 | encode_nfs4_verifier(xdr, &arg->u.verifier); | |
1418 | break; | |
1419 | case NFS4_CREATE_EXCLUSIVE4_1: | |
1420 | *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE4_1); | |
1421 | encode_nfs4_verifier(xdr, &arg->u.verifier); | |
1422 | dummy.ia_valid = 0; | |
aa9c2669 | 1423 | encode_attrs(xdr, &dummy, arg->label, arg->server); |
1da177e4 LT |
1424 | } |
1425 | } | |
1426 | ||
1427 | static void encode_opentype(struct xdr_stream *xdr, const struct nfs_openargs *arg) | |
1428 | { | |
8687b63a | 1429 | __be32 *p; |
1da177e4 | 1430 | |
13c65ce9 | 1431 | p = reserve_space(xdr, 4); |
1da177e4 | 1432 | switch (arg->open_flags & O_CREAT) { |
05d564fe | 1433 | case 0: |
34558513 | 1434 | *p = cpu_to_be32(NFS4_OPEN_NOCREATE); |
05d564fe AA |
1435 | break; |
1436 | default: | |
34558513 | 1437 | *p = cpu_to_be32(NFS4_OPEN_CREATE); |
05d564fe | 1438 | encode_createmode(xdr, arg); |
1da177e4 LT |
1439 | } |
1440 | } | |
1441 | ||
bd7bf9d5 | 1442 | static inline void encode_delegation_type(struct xdr_stream *xdr, fmode_t delegation_type) |
1da177e4 | 1443 | { |
8687b63a | 1444 | __be32 *p; |
1da177e4 | 1445 | |
13c65ce9 | 1446 | p = reserve_space(xdr, 4); |
1da177e4 | 1447 | switch (delegation_type) { |
05d564fe | 1448 | case 0: |
34558513 | 1449 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_NONE); |
05d564fe AA |
1450 | break; |
1451 | case FMODE_READ: | |
34558513 | 1452 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_READ); |
05d564fe AA |
1453 | break; |
1454 | case FMODE_WRITE|FMODE_READ: | |
34558513 | 1455 | *p = cpu_to_be32(NFS4_OPEN_DELEGATE_WRITE); |
05d564fe AA |
1456 | break; |
1457 | default: | |
1458 | BUG(); | |
1da177e4 LT |
1459 | } |
1460 | } | |
1461 | ||
1462 | static inline void encode_claim_null(struct xdr_stream *xdr, const struct qstr *name) | |
1463 | { | |
8687b63a | 1464 | __be32 *p; |
1da177e4 | 1465 | |
13c65ce9 | 1466 | p = reserve_space(xdr, 4); |
34558513 | 1467 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_NULL); |
1da177e4 LT |
1468 | encode_string(xdr, name->len, name->name); |
1469 | } | |
1470 | ||
bd7bf9d5 | 1471 | static inline void encode_claim_previous(struct xdr_stream *xdr, fmode_t type) |
1da177e4 | 1472 | { |
8687b63a | 1473 | __be32 *p; |
1da177e4 | 1474 | |
13c65ce9 | 1475 | p = reserve_space(xdr, 4); |
34558513 | 1476 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_PREVIOUS); |
1da177e4 LT |
1477 | encode_delegation_type(xdr, type); |
1478 | } | |
1479 | ||
1480 | static inline void encode_claim_delegate_cur(struct xdr_stream *xdr, const struct qstr *name, const nfs4_stateid *stateid) | |
1481 | { | |
8687b63a | 1482 | __be32 *p; |
1da177e4 | 1483 | |
ea9d23f5 TM |
1484 | p = reserve_space(xdr, 4); |
1485 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_DELEGATE_CUR); | |
1486 | encode_nfs4_stateid(xdr, stateid); | |
1da177e4 LT |
1487 | encode_string(xdr, name->len, name->name); |
1488 | } | |
1489 | ||
d9fc6619 TM |
1490 | static inline void encode_claim_fh(struct xdr_stream *xdr) |
1491 | { | |
1492 | __be32 *p; | |
1493 | ||
1494 | p = reserve_space(xdr, 4); | |
1495 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_FH); | |
1496 | } | |
1497 | ||
1498 | static inline void encode_claim_delegate_cur_fh(struct xdr_stream *xdr, const nfs4_stateid *stateid) | |
1499 | { | |
1500 | __be32 *p; | |
1501 | ||
1502 | p = reserve_space(xdr, 4); | |
1503 | *p = cpu_to_be32(NFS4_OPEN_CLAIM_DELEG_CUR_FH); | |
1504 | encode_nfs4_stateid(xdr, stateid); | |
1505 | } | |
1506 | ||
cf8cdbe5 | 1507 | static void encode_open(struct xdr_stream *xdr, const struct nfs_openargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1508 | { |
ab19b481 | 1509 | encode_op_hdr(xdr, OP_OPEN, decode_open_maxsz, hdr); |
1da177e4 LT |
1510 | encode_openhdr(xdr, arg); |
1511 | encode_opentype(xdr, arg); | |
1512 | switch (arg->claim) { | |
05d564fe AA |
1513 | case NFS4_OPEN_CLAIM_NULL: |
1514 | encode_claim_null(xdr, arg->name); | |
1515 | break; | |
1516 | case NFS4_OPEN_CLAIM_PREVIOUS: | |
1517 | encode_claim_previous(xdr, arg->u.delegation_type); | |
1518 | break; | |
1519 | case NFS4_OPEN_CLAIM_DELEGATE_CUR: | |
1520 | encode_claim_delegate_cur(xdr, arg->name, &arg->u.delegation); | |
1521 | break; | |
d9fc6619 TM |
1522 | case NFS4_OPEN_CLAIM_FH: |
1523 | encode_claim_fh(xdr); | |
1524 | break; | |
1525 | case NFS4_OPEN_CLAIM_DELEG_CUR_FH: | |
1526 | encode_claim_delegate_cur_fh(xdr, &arg->u.delegation); | |
1527 | break; | |
05d564fe AA |
1528 | default: |
1529 | BUG(); | |
1da177e4 | 1530 | } |
1da177e4 LT |
1531 | } |
1532 | ||
cf8cdbe5 | 1533 | static void encode_open_confirm(struct xdr_stream *xdr, const struct nfs_open_confirmargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1534 | { |
ab19b481 | 1535 | encode_op_hdr(xdr, OP_OPEN_CONFIRM, decode_open_confirm_maxsz, hdr); |
ea9d23f5 | 1536 | encode_nfs4_stateid(xdr, arg->stateid); |
4ade9821 | 1537 | encode_nfs4_seqid(xdr, arg->seqid); |
1da177e4 LT |
1538 | } |
1539 | ||
cf8cdbe5 | 1540 | static void encode_open_downgrade(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr) |
1da177e4 | 1541 | { |
ab19b481 | 1542 | encode_op_hdr(xdr, OP_OPEN_DOWNGRADE, decode_open_downgrade_maxsz, hdr); |
ea9d23f5 | 1543 | encode_nfs4_stateid(xdr, arg->stateid); |
4ade9821 | 1544 | encode_nfs4_seqid(xdr, arg->seqid); |
dc0b027d | 1545 | encode_share_access(xdr, arg->fmode); |
1da177e4 LT |
1546 | } |
1547 | ||
cf8cdbe5 | 1548 | static void |
d017931c | 1549 | encode_putfh(struct xdr_stream *xdr, const struct nfs_fh *fh, struct compound_hdr *hdr) |
1da177e4 | 1550 | { |
ab19b481 | 1551 | encode_op_hdr(xdr, OP_PUTFH, decode_putfh_maxsz, hdr); |
6fdfb0bc | 1552 | encode_string(xdr, fh->size, fh->data); |
1da177e4 LT |
1553 | } |
1554 | ||
cf8cdbe5 | 1555 | static void encode_putrootfh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
1da177e4 | 1556 | { |
ab19b481 | 1557 | encode_op_hdr(xdr, OP_PUTROOTFH, decode_putrootfh_maxsz, hdr); |
1da177e4 LT |
1558 | } |
1559 | ||
cf8cdbe5 | 1560 | static void encode_read(struct xdr_stream *xdr, const struct nfs_readargs *args, struct compound_hdr *hdr) |
1da177e4 | 1561 | { |
8687b63a | 1562 | __be32 *p; |
1da177e4 | 1563 | |
ab19b481 | 1564 | encode_op_hdr(xdr, OP_READ, decode_read_maxsz, hdr); |
9b206149 | 1565 | encode_nfs4_stateid(xdr, &args->stateid); |
1da177e4 | 1566 | |
13c65ce9 | 1567 | p = reserve_space(xdr, 12); |
b95be5a9 | 1568 | p = xdr_encode_hyper(p, args->offset); |
34558513 | 1569 | *p = cpu_to_be32(args->count); |
1da177e4 LT |
1570 | } |
1571 | ||
cf8cdbe5 | 1572 | static void encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg *readdir, struct rpc_rqst *req, struct compound_hdr *hdr) |
1da177e4 | 1573 | { |
aa9c2669 | 1574 | uint32_t attrs[3] = { |
28331a46 TM |
1575 | FATTR4_WORD0_RDATTR_ERROR, |
1576 | FATTR4_WORD1_MOUNTED_ON_FILEID, | |
1577 | }; | |
6f7a35bd | 1578 | uint32_t dircount = readdir->count >> 1; |
cd93710e | 1579 | __be32 *p, verf[2]; |
d204c5d2 TM |
1580 | uint32_t attrlen = 0; |
1581 | unsigned int i; | |
1da177e4 | 1582 | |
82f2e547 BS |
1583 | if (readdir->plus) { |
1584 | attrs[0] |= FATTR4_WORD0_TYPE|FATTR4_WORD0_CHANGE|FATTR4_WORD0_SIZE| | |
28331a46 | 1585 | FATTR4_WORD0_FSID|FATTR4_WORD0_FILEHANDLE|FATTR4_WORD0_FILEID; |
82f2e547 BS |
1586 | attrs[1] |= FATTR4_WORD1_MODE|FATTR4_WORD1_NUMLINKS|FATTR4_WORD1_OWNER| |
1587 | FATTR4_WORD1_OWNER_GROUP|FATTR4_WORD1_RAWDEV| | |
1588 | FATTR4_WORD1_SPACE_USED|FATTR4_WORD1_TIME_ACCESS| | |
1589 | FATTR4_WORD1_TIME_METADATA|FATTR4_WORD1_TIME_MODIFY; | |
d204c5d2 | 1590 | attrs[2] |= FATTR4_WORD2_SECURITY_LABEL; |
6f7a35bd | 1591 | dircount >>= 1; |
82f2e547 | 1592 | } |
28331a46 TM |
1593 | /* Use mounted_on_fileid only if the server supports it */ |
1594 | if (!(readdir->bitmask[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) | |
1595 | attrs[0] |= FATTR4_WORD0_FILEID; | |
d204c5d2 TM |
1596 | for (i = 0; i < ARRAY_SIZE(attrs); i++) { |
1597 | attrs[i] &= readdir->bitmask[i]; | |
1598 | if (attrs[i] != 0) | |
1599 | attrlen = i+1; | |
1600 | } | |
82f2e547 | 1601 | |
475d4ba0 | 1602 | encode_op_hdr(xdr, OP_READDIR, decode_readdir_maxsz, hdr); |
ff2eb681 | 1603 | encode_uint64(xdr, readdir->cookie); |
cd93710e | 1604 | encode_nfs4_verifier(xdr, &readdir->verifier); |
d204c5d2 | 1605 | p = reserve_space(xdr, 12 + (attrlen << 2)); |
6f7a35bd | 1606 | *p++ = cpu_to_be32(dircount); |
e75bc1c8 | 1607 | *p++ = cpu_to_be32(readdir->count); |
d204c5d2 TM |
1608 | *p++ = cpu_to_be32(attrlen); |
1609 | for (i = 0; i < attrlen; i++) | |
1610 | *p++ = cpu_to_be32(attrs[i]); | |
cd93710e | 1611 | memcpy(verf, readdir->verifier.data, sizeof(verf)); |
aa9c2669 DQ |
1612 | |
1613 | dprintk("%s: cookie = %llu, verifier = %08x:%08x, bitmap = %08x:%08x:%08x\n", | |
44109241 | 1614 | __func__, |
eadf4598 | 1615 | (unsigned long long)readdir->cookie, |
cd93710e | 1616 | verf[0], verf[1], |
eadf4598 | 1617 | attrs[0] & readdir->bitmask[0], |
aa9c2669 DQ |
1618 | attrs[1] & readdir->bitmask[1], |
1619 | attrs[2] & readdir->bitmask[2]); | |
1da177e4 LT |
1620 | } |
1621 | ||
cf8cdbe5 | 1622 | static void encode_readlink(struct xdr_stream *xdr, const struct nfs4_readlink *readlink, struct rpc_rqst *req, struct compound_hdr *hdr) |
1da177e4 | 1623 | { |
ab19b481 | 1624 | encode_op_hdr(xdr, OP_READLINK, decode_readlink_maxsz, hdr); |
1da177e4 LT |
1625 | } |
1626 | ||
cf8cdbe5 | 1627 | static void encode_remove(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr) |
1da177e4 | 1628 | { |
ab19b481 | 1629 | encode_op_hdr(xdr, OP_REMOVE, decode_remove_maxsz, hdr); |
6fdfb0bc | 1630 | encode_string(xdr, name->len, name->name); |
1da177e4 LT |
1631 | } |
1632 | ||
cf8cdbe5 | 1633 | static void encode_rename(struct xdr_stream *xdr, const struct qstr *oldname, const struct qstr *newname, struct compound_hdr *hdr) |
1da177e4 | 1634 | { |
ab19b481 | 1635 | encode_op_hdr(xdr, OP_RENAME, decode_rename_maxsz, hdr); |
811652bd BH |
1636 | encode_string(xdr, oldname->len, oldname->name); |
1637 | encode_string(xdr, newname->len, newname->name); | |
1da177e4 LT |
1638 | } |
1639 | ||
bb4dae5e CL |
1640 | static void encode_renew(struct xdr_stream *xdr, clientid4 clid, |
1641 | struct compound_hdr *hdr) | |
1da177e4 | 1642 | { |
475d4ba0 | 1643 | encode_op_hdr(xdr, OP_RENEW, decode_renew_maxsz, hdr); |
ff2eb681 | 1644 | encode_uint64(xdr, clid); |
1da177e4 LT |
1645 | } |
1646 | ||
cf8cdbe5 | 1647 | static void |
d017931c | 1648 | encode_restorefh(struct xdr_stream *xdr, struct compound_hdr *hdr) |
56ae19f3 | 1649 | { |
ab19b481 | 1650 | encode_op_hdr(xdr, OP_RESTOREFH, decode_restorefh_maxsz, hdr); |
56ae19f3 TM |
1651 | } |
1652 | ||
9f06c719 | 1653 | static void |
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 | ||
2031cd1a WAA |
1748 | static void encode_op_map(struct xdr_stream *xdr, struct nfs4_op_map *op_map) |
1749 | { | |
1750 | unsigned int i; | |
1751 | encode_uint32(xdr, NFS4_OP_MAP_NUM_WORDS); | |
1752 | for (i = 0; i < NFS4_OP_MAP_NUM_WORDS; i++) | |
1753 | encode_uint32(xdr, op_map->u.words[i]); | |
1754 | } | |
1755 | ||
99fe60d0 BH |
1756 | static void encode_exchange_id(struct xdr_stream *xdr, |
1757 | struct nfs41_exchange_id_args *args, | |
1758 | struct compound_hdr *hdr) | |
1759 | { | |
1760 | __be32 *p; | |
d751f748 | 1761 | char impl_name[IMPL_NAME_LIMIT]; |
db8ac8ba | 1762 | int len = 0; |
99fe60d0 | 1763 | |
70019514 | 1764 | encode_op_hdr(xdr, OP_EXCHANGE_ID, decode_exchange_id_maxsz, hdr); |
cd93710e | 1765 | encode_nfs4_verifier(xdr, args->verifier); |
99fe60d0 BH |
1766 | |
1767 | encode_string(xdr, args->id_len, args->id); | |
1768 | ||
2031cd1a WAA |
1769 | encode_uint32(xdr, args->flags); |
1770 | encode_uint32(xdr, args->state_protect.how); | |
1771 | ||
1772 | switch (args->state_protect.how) { | |
1773 | case SP4_NONE: | |
1774 | break; | |
1775 | case SP4_MACH_CRED: | |
1776 | encode_op_map(xdr, &args->state_protect.enforce); | |
1777 | encode_op_map(xdr, &args->state_protect.allow); | |
1778 | break; | |
1779 | default: | |
1780 | WARN_ON_ONCE(1); | |
1781 | break; | |
1782 | } | |
db8ac8ba WAA |
1783 | |
1784 | if (send_implementation_id && | |
1785 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) > 1 && | |
1786 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) | |
d751f748 | 1787 | <= sizeof(impl_name) + 1) |
db8ac8ba WAA |
1788 | len = snprintf(impl_name, sizeof(impl_name), "%s %s %s %s", |
1789 | utsname()->sysname, utsname()->release, | |
1790 | utsname()->version, utsname()->machine); | |
1791 | ||
1792 | if (len > 0) { | |
2031cd1a | 1793 | encode_uint32(xdr, 1); /* implementation id array length=1 */ |
db8ac8ba WAA |
1794 | |
1795 | encode_string(xdr, | |
1796 | sizeof(CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN) - 1, | |
1797 | CONFIG_NFS_V4_1_IMPLEMENTATION_ID_DOMAIN); | |
1798 | encode_string(xdr, len, impl_name); | |
1799 | /* just send zeros for nii_date - the date is in nii_name */ | |
1800 | p = reserve_space(xdr, 12); | |
1801 | p = xdr_encode_hyper(p, 0); | |
1802 | *p = cpu_to_be32(0); | |
1803 | } else | |
2031cd1a | 1804 | encode_uint32(xdr, 0); /* implementation id array length=0 */ |
99fe60d0 | 1805 | } |
fc931582 AA |
1806 | |
1807 | static void encode_create_session(struct xdr_stream *xdr, | |
1808 | struct nfs41_create_session_args *args, | |
1809 | struct compound_hdr *hdr) | |
1810 | { | |
1811 | __be32 *p; | |
1812 | char machine_name[NFS4_MAX_MACHINE_NAME_LEN]; | |
1813 | uint32_t len; | |
1814 | struct nfs_client *clp = args->client; | |
f092075d | 1815 | struct nfs_net *nn = net_generic(clp->cl_net, nfs_net_id); |
8e0d46e1 MS |
1816 | u32 max_resp_sz_cached; |
1817 | ||
1818 | /* | |
1819 | * Assumes OPEN is the biggest non-idempotent compound. | |
1820 | * 2 is the verifier. | |
1821 | */ | |
1822 | max_resp_sz_cached = (NFS4_dec_open_sz + RPC_REPHDRSIZE + | |
1823 | RPC_MAX_AUTH_SIZE + 2) * XDR_UNIT; | |
fc931582 | 1824 | |
42edd698 BH |
1825 | len = scnprintf(machine_name, sizeof(machine_name), "%s", |
1826 | clp->cl_ipaddr); | |
fc931582 | 1827 | |
475d4ba0 TM |
1828 | encode_op_hdr(xdr, OP_CREATE_SESSION, decode_create_session_maxsz, hdr); |
1829 | p = reserve_space(xdr, 16 + 2*28 + 20 + len + 12); | |
114f64b5 | 1830 | p = xdr_encode_hyper(p, clp->cl_clientid); |
e75bc1c8 BH |
1831 | *p++ = cpu_to_be32(clp->cl_seqid); /*Sequence id */ |
1832 | *p++ = cpu_to_be32(args->flags); /*flags */ | |
fc931582 | 1833 | |
fc931582 | 1834 | /* Fore Channel */ |
c9c30dd5 | 1835 | *p++ = cpu_to_be32(0); /* header padding size */ |
e75bc1c8 BH |
1836 | *p++ = cpu_to_be32(args->fc_attrs.max_rqst_sz); /* max req size */ |
1837 | *p++ = cpu_to_be32(args->fc_attrs.max_resp_sz); /* max resp size */ | |
8e0d46e1 | 1838 | *p++ = cpu_to_be32(max_resp_sz_cached); /* Max resp sz cached */ |
e75bc1c8 BH |
1839 | *p++ = cpu_to_be32(args->fc_attrs.max_ops); /* max operations */ |
1840 | *p++ = cpu_to_be32(args->fc_attrs.max_reqs); /* max requests */ | |
1841 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ | |
fc931582 AA |
1842 | |
1843 | /* Back Channel */ | |
c9c30dd5 | 1844 | *p++ = cpu_to_be32(0); /* header padding size */ |
e75bc1c8 BH |
1845 | *p++ = cpu_to_be32(args->bc_attrs.max_rqst_sz); /* max req size */ |
1846 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz); /* max resp size */ | |
1847 | *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz_cached); /* Max resp sz cached */ | |
1848 | *p++ = cpu_to_be32(args->bc_attrs.max_ops); /* max operations */ | |
1849 | *p++ = cpu_to_be32(args->bc_attrs.max_reqs); /* max requests */ | |
1850 | *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ | |
fc931582 | 1851 | |
e75bc1c8 | 1852 | *p++ = cpu_to_be32(args->cb_program); /* cb_program */ |
e75bc1c8 | 1853 | *p++ = cpu_to_be32(1); |
e75bc1c8 | 1854 | *p++ = cpu_to_be32(RPC_AUTH_UNIX); /* auth_sys */ |
fc931582 AA |
1855 | |
1856 | /* authsys_parms rfc1831 */ | |
17f26b12 | 1857 | *p++ = cpu_to_be32(nn->boot_time.tv_nsec); /* stamp */ |
811652bd | 1858 | p = xdr_encode_opaque(p, machine_name, len); |
e75bc1c8 BH |
1859 | *p++ = cpu_to_be32(0); /* UID */ |
1860 | *p++ = cpu_to_be32(0); /* GID */ | |
34558513 | 1861 | *p = cpu_to_be32(0); /* No more gids */ |
fc931582 | 1862 | } |
0f3e66c6 AA |
1863 | |
1864 | static void encode_destroy_session(struct xdr_stream *xdr, | |
1865 | struct nfs4_session *session, | |
1866 | struct compound_hdr *hdr) | |
1867 | { | |
475d4ba0 TM |
1868 | encode_op_hdr(xdr, OP_DESTROY_SESSION, decode_destroy_session_maxsz, hdr); |
1869 | encode_opaque_fixed(xdr, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); | |
0f3e66c6 | 1870 | } |
18019753 | 1871 | |
66245539 TM |
1872 | static void encode_destroy_clientid(struct xdr_stream *xdr, |
1873 | uint64_t clientid, | |
1874 | struct compound_hdr *hdr) | |
1875 | { | |
1876 | encode_op_hdr(xdr, OP_DESTROY_CLIENTID, decode_destroy_clientid_maxsz, hdr); | |
1877 | encode_uint64(xdr, clientid); | |
1878 | } | |
1879 | ||
18019753 RL |
1880 | static void encode_reclaim_complete(struct xdr_stream *xdr, |
1881 | struct nfs41_reclaim_complete_args *args, | |
1882 | struct compound_hdr *hdr) | |
1883 | { | |
475d4ba0 TM |
1884 | encode_op_hdr(xdr, OP_RECLAIM_COMPLETE, decode_reclaim_complete_maxsz, hdr); |
1885 | encode_uint32(xdr, args->one_fs); | |
18019753 | 1886 | } |
99fe60d0 BH |
1887 | #endif /* CONFIG_NFS_V4_1 */ |
1888 | ||
9b7b9fcc AA |
1889 | static void encode_sequence(struct xdr_stream *xdr, |
1890 | const struct nfs4_sequence_args *args, | |
1891 | struct compound_hdr *hdr) | |
1892 | { | |
1893 | #if defined(CONFIG_NFS_V4_1) | |
2b2fa717 | 1894 | struct nfs4_session *session; |
fc01cea9 | 1895 | struct nfs4_slot_table *tp; |
2b2fa717 | 1896 | struct nfs4_slot *slot = args->sa_slot; |
fc01cea9 | 1897 | __be32 *p; |
9b7b9fcc | 1898 | |
2b2fa717 TM |
1899 | tp = slot->table; |
1900 | session = tp->session; | |
3bd2384a CL |
1901 | if (!session) |
1902 | return; | |
fc01cea9 | 1903 | |
475d4ba0 | 1904 | encode_op_hdr(xdr, OP_SEQUENCE, decode_sequence_maxsz, hdr); |
fc01cea9 AA |
1905 | |
1906 | /* | |
1907 | * Sessionid + seqid + slotid + max slotid + cache_this | |
1908 | */ | |
1909 | dprintk("%s: sessionid=%u:%u:%u:%u seqid=%d slotid=%d " | |
1910 | "max_slotid=%d cache_this=%d\n", | |
1911 | __func__, | |
1912 | ((u32 *)session->sess_id.data)[0], | |
1913 | ((u32 *)session->sess_id.data)[1], | |
1914 | ((u32 *)session->sess_id.data)[2], | |
1915 | ((u32 *)session->sess_id.data)[3], | |
2b2fa717 | 1916 | slot->seq_nr, slot->slot_nr, |
fc01cea9 | 1917 | tp->highest_used_slotid, args->sa_cache_this); |
475d4ba0 | 1918 | p = reserve_space(xdr, NFS4_MAX_SESSIONID_LEN + 16); |
93f0cf25 | 1919 | p = xdr_encode_opaque_fixed(p, session->sess_id.data, NFS4_MAX_SESSIONID_LEN); |
e75bc1c8 | 1920 | *p++ = cpu_to_be32(slot->seq_nr); |
2b2fa717 | 1921 | *p++ = cpu_to_be32(slot->slot_nr); |
e75bc1c8 | 1922 | *p++ = cpu_to_be32(tp->highest_used_slotid); |
34558513 | 1923 | *p = cpu_to_be32(args->sa_cache_this); |
9b7b9fcc AA |
1924 | #endif /* CONFIG_NFS_V4_1 */ |
1925 | } | |
1926 | ||
b1f69b75 | 1927 | #ifdef CONFIG_NFS_V4_1 |
7f11d8d3 AA |
1928 | static void |
1929 | encode_getdevicelist(struct xdr_stream *xdr, | |
1930 | const struct nfs4_getdevicelist_args *args, | |
1931 | struct compound_hdr *hdr) | |
1932 | { | |
1933 | __be32 *p; | |
1934 | nfs4_verifier dummy = { | |
1935 | .data = "dummmmmy", | |
1936 | }; | |
1937 | ||
475d4ba0 TM |
1938 | encode_op_hdr(xdr, OP_GETDEVICELIST, decode_getdevicelist_maxsz, hdr); |
1939 | p = reserve_space(xdr, 16); | |
7f11d8d3 AA |
1940 | *p++ = cpu_to_be32(args->layoutclass); |
1941 | *p++ = cpu_to_be32(NFS4_PNFS_GETDEVLIST_MAXNUM); | |
1942 | xdr_encode_hyper(p, 0ULL); /* cookie */ | |
1943 | encode_nfs4_verifier(xdr, &dummy); | |
7f11d8d3 AA |
1944 | } |
1945 | ||
b1f69b75 AA |
1946 | static void |
1947 | encode_getdeviceinfo(struct xdr_stream *xdr, | |
1948 | const struct nfs4_getdeviceinfo_args *args, | |
1949 | struct compound_hdr *hdr) | |
1950 | { | |
1951 | __be32 *p; | |
1952 | ||
475d4ba0 TM |
1953 | encode_op_hdr(xdr, OP_GETDEVICEINFO, decode_getdeviceinfo_maxsz, hdr); |
1954 | p = reserve_space(xdr, 12 + NFS4_DEVICEID4_SIZE); | |
b1f69b75 AA |
1955 | p = xdr_encode_opaque_fixed(p, args->pdev->dev_id.data, |
1956 | NFS4_DEVICEID4_SIZE); | |
1957 | *p++ = cpu_to_be32(args->pdev->layout_type); | |
f1c097be | 1958 | *p++ = cpu_to_be32(args->pdev->maxcount); /* gdia_maxcount */ |
b1f69b75 | 1959 | *p++ = cpu_to_be32(0); /* bitmap length 0 */ |
b1f69b75 AA |
1960 | } |
1961 | ||
1962 | static void | |
1963 | encode_layoutget(struct xdr_stream *xdr, | |
1964 | const struct nfs4_layoutget_args *args, | |
1965 | struct compound_hdr *hdr) | |
1966 | { | |
b1f69b75 AA |
1967 | __be32 *p; |
1968 | ||
475d4ba0 TM |
1969 | encode_op_hdr(xdr, OP_LAYOUTGET, decode_layoutget_maxsz, hdr); |
1970 | p = reserve_space(xdr, 36); | |
b1f69b75 AA |
1971 | *p++ = cpu_to_be32(0); /* Signal layout available */ |
1972 | *p++ = cpu_to_be32(args->type); | |
1973 | *p++ = cpu_to_be32(args->range.iomode); | |
1974 | p = xdr_encode_hyper(p, args->range.offset); | |
1975 | p = xdr_encode_hyper(p, args->range.length); | |
1976 | p = xdr_encode_hyper(p, args->minlength); | |
ea9d23f5 | 1977 | encode_nfs4_stateid(xdr, &args->stateid); |
475d4ba0 | 1978 | encode_uint32(xdr, args->maxcount); |
b1f69b75 AA |
1979 | |
1980 | dprintk("%s: 1st type:0x%x iomode:%d off:%lu len:%lu mc:%d\n", | |
1981 | __func__, | |
1982 | args->type, | |
1983 | args->range.iomode, | |
1984 | (unsigned long)args->range.offset, | |
1985 | (unsigned long)args->range.length, | |
1986 | args->maxcount); | |
b1f69b75 | 1987 | } |
863a3c6c AA |
1988 | |
1989 | static int | |
1990 | encode_layoutcommit(struct xdr_stream *xdr, | |
ac7db726 | 1991 | struct inode *inode, |
863a3c6c AA |
1992 | const struct nfs4_layoutcommit_args *args, |
1993 | struct compound_hdr *hdr) | |
1994 | { | |
1995 | __be32 *p; | |
1996 | ||
1997 | dprintk("%s: lbw: %llu type: %d\n", __func__, args->lastbytewritten, | |
1998 | NFS_SERVER(args->inode)->pnfs_curr_ld->id); | |
1999 | ||
475d4ba0 TM |
2000 | encode_op_hdr(xdr, OP_LAYOUTCOMMIT, decode_layoutcommit_maxsz, hdr); |
2001 | p = reserve_space(xdr, 20); | |
863a3c6c AA |
2002 | /* Only whole file layouts */ |
2003 | p = xdr_encode_hyper(p, 0); /* offset */ | |
3557c6c3 | 2004 | p = xdr_encode_hyper(p, args->lastbytewritten + 1); /* length */ |
ea9d23f5 TM |
2005 | *p = cpu_to_be32(0); /* reclaim */ |
2006 | encode_nfs4_stateid(xdr, &args->stateid); | |
2007 | p = reserve_space(xdr, 20); | |
863a3c6c AA |
2008 | *p++ = cpu_to_be32(1); /* newoffset = TRUE */ |
2009 | p = xdr_encode_hyper(p, args->lastbytewritten); | |
2010 | *p++ = cpu_to_be32(0); /* Never send time_modify_changed */ | |
2011 | *p++ = cpu_to_be32(NFS_SERVER(args->inode)->pnfs_curr_ld->id);/* type */ | |
ac7db726 BH |
2012 | |
2013 | if (NFS_SERVER(inode)->pnfs_curr_ld->encode_layoutcommit) | |
2014 | NFS_SERVER(inode)->pnfs_curr_ld->encode_layoutcommit( | |
2015 | NFS_I(inode)->layout, xdr, args); | |
475d4ba0 TM |
2016 | else |
2017 | encode_uint32(xdr, 0); /* no layout-type payload */ | |
863a3c6c | 2018 | |
863a3c6c AA |
2019 | return 0; |
2020 | } | |
cbe82603 BH |
2021 | |
2022 | static void | |
2023 | encode_layoutreturn(struct xdr_stream *xdr, | |
2024 | const struct nfs4_layoutreturn_args *args, | |
2025 | struct compound_hdr *hdr) | |
2026 | { | |
2027 | __be32 *p; | |
2028 | ||
475d4ba0 TM |
2029 | encode_op_hdr(xdr, OP_LAYOUTRETURN, decode_layoutreturn_maxsz, hdr); |
2030 | p = reserve_space(xdr, 16); | |
cbe82603 BH |
2031 | *p++ = cpu_to_be32(0); /* reclaim. always 0 for now */ |
2032 | *p++ = cpu_to_be32(args->layout_type); | |
2033 | *p++ = cpu_to_be32(IOMODE_ANY); | |
2034 | *p = cpu_to_be32(RETURN_FILE); | |
ea9d23f5 | 2035 | p = reserve_space(xdr, 16); |
cbe82603 BH |
2036 | p = xdr_encode_hyper(p, 0); |
2037 | p = xdr_encode_hyper(p, NFS4_MAX_UINT64); | |
2038 | spin_lock(&args->inode->i_lock); | |
ea9d23f5 | 2039 | encode_nfs4_stateid(xdr, &args->stateid); |
cbe82603 | 2040 | spin_unlock(&args->inode->i_lock); |
04a55549 AA |
2041 | if (NFS_SERVER(args->inode)->pnfs_curr_ld->encode_layoutreturn) { |
2042 | NFS_SERVER(args->inode)->pnfs_curr_ld->encode_layoutreturn( | |
2043 | NFS_I(args->inode)->layout, xdr, args); | |
475d4ba0 TM |
2044 | } else |
2045 | encode_uint32(xdr, 0); | |
cbe82603 | 2046 | } |
fca78d6d BS |
2047 | |
2048 | static int | |
2049 | encode_secinfo_no_name(struct xdr_stream *xdr, | |
2050 | const struct nfs41_secinfo_no_name_args *args, | |
2051 | struct compound_hdr *hdr) | |
2052 | { | |
475d4ba0 TM |
2053 | encode_op_hdr(xdr, OP_SECINFO_NO_NAME, decode_secinfo_no_name_maxsz, hdr); |
2054 | encode_uint32(xdr, args->style); | |
fca78d6d BS |
2055 | return 0; |
2056 | } | |
7d974794 BS |
2057 | |
2058 | static void encode_test_stateid(struct xdr_stream *xdr, | |
2059 | struct nfs41_test_stateid_args *args, | |
2060 | struct compound_hdr *hdr) | |
2061 | { | |
475d4ba0 TM |
2062 | encode_op_hdr(xdr, OP_TEST_STATEID, decode_test_stateid_maxsz, hdr); |
2063 | encode_uint32(xdr, 1); | |
ea9d23f5 | 2064 | encode_nfs4_stateid(xdr, args->stateid); |
7d974794 | 2065 | } |
9aeda35f BS |
2066 | |
2067 | static void encode_free_stateid(struct xdr_stream *xdr, | |
2068 | struct nfs41_free_stateid_args *args, | |
2069 | struct compound_hdr *hdr) | |
2070 | { | |
ab19b481 | 2071 | encode_op_hdr(xdr, OP_FREE_STATEID, decode_free_stateid_maxsz, hdr); |
7c1d5fae | 2072 | encode_nfs4_stateid(xdr, &args->stateid); |
9aeda35f | 2073 | } |
b1f69b75 AA |
2074 | #endif /* CONFIG_NFS_V4_1 */ |
2075 | ||
1da177e4 LT |
2076 | /* |
2077 | * END OF "GENERIC" ENCODE ROUTINES. | |
2078 | */ | |
2079 | ||
66cc0429 BH |
2080 | static u32 nfs4_xdr_minorversion(const struct nfs4_sequence_args *args) |
2081 | { | |
2082 | #if defined(CONFIG_NFS_V4_1) | |
3bd2384a CL |
2083 | struct nfs4_session *session = args->sa_slot->table->session; |
2084 | if (session) | |
2085 | return session->clp->cl_mvops->minor_version; | |
66cc0429 BH |
2086 | #endif /* CONFIG_NFS_V4_1 */ |
2087 | return 0; | |
2088 | } | |
2089 | ||
1da177e4 LT |
2090 | /* |
2091 | * Encode an ACCESS request | |
2092 | */ | |
9f06c719 CL |
2093 | static void nfs4_xdr_enc_access(struct rpc_rqst *req, struct xdr_stream *xdr, |
2094 | const struct nfs4_accessargs *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->fh, &hdr); | |
2103 | encode_access(xdr, args->access, &hdr); | |
2104 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2105 | encode_nops(&hdr); |
1da177e4 LT |
2106 | } |
2107 | ||
2108 | /* | |
2109 | * Encode LOOKUP request | |
2110 | */ | |
9f06c719 CL |
2111 | static void nfs4_xdr_enc_lookup(struct rpc_rqst *req, struct xdr_stream *xdr, |
2112 | const struct nfs4_lookup_arg *args) | |
1da177e4 | 2113 | { |
1da177e4 | 2114 | struct compound_hdr hdr = { |
66cc0429 | 2115 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2116 | }; |
1da177e4 | 2117 | |
9f06c719 CL |
2118 | encode_compound_hdr(xdr, req, &hdr); |
2119 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2120 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2121 | encode_lookup(xdr, args->name, &hdr); | |
2122 | encode_getfh(xdr, &hdr); | |
2123 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2124 | encode_nops(&hdr); |
1da177e4 LT |
2125 | } |
2126 | ||
2127 | /* | |
2128 | * Encode LOOKUP_ROOT request | |
2129 | */ | |
9f06c719 CL |
2130 | static void nfs4_xdr_enc_lookup_root(struct rpc_rqst *req, |
2131 | struct xdr_stream *xdr, | |
2132 | const struct nfs4_lookup_root_arg *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_putrootfh(xdr, &hdr); | |
2141 | encode_getfh(xdr, &hdr); | |
2142 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2143 | encode_nops(&hdr); |
1da177e4 LT |
2144 | } |
2145 | ||
2146 | /* | |
2147 | * Encode REMOVE request | |
2148 | */ | |
9f06c719 CL |
2149 | static void nfs4_xdr_enc_remove(struct rpc_rqst *req, struct xdr_stream *xdr, |
2150 | const struct nfs_removeargs *args) | |
1da177e4 | 2151 | { |
1da177e4 | 2152 | struct compound_hdr hdr = { |
66cc0429 | 2153 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2154 | }; |
1da177e4 | 2155 | |
9f06c719 CL |
2156 | encode_compound_hdr(xdr, req, &hdr); |
2157 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2158 | encode_putfh(xdr, args->fh, &hdr); | |
2159 | encode_remove(xdr, &args->name, &hdr); | |
d017931c | 2160 | encode_nops(&hdr); |
1da177e4 LT |
2161 | } |
2162 | ||
2163 | /* | |
2164 | * Encode RENAME request | |
2165 | */ | |
9f06c719 CL |
2166 | static void nfs4_xdr_enc_rename(struct rpc_rqst *req, struct xdr_stream *xdr, |
2167 | const struct nfs_renameargs *args) | |
1da177e4 | 2168 | { |
1da177e4 | 2169 | struct compound_hdr hdr = { |
66cc0429 | 2170 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2171 | }; |
1da177e4 | 2172 | |
9f06c719 CL |
2173 | encode_compound_hdr(xdr, req, &hdr); |
2174 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2175 | encode_putfh(xdr, args->old_dir, &hdr); | |
2176 | encode_savefh(xdr, &hdr); | |
2177 | encode_putfh(xdr, args->new_dir, &hdr); | |
2178 | encode_rename(xdr, args->old_name, args->new_name, &hdr); | |
d017931c | 2179 | encode_nops(&hdr); |
1da177e4 LT |
2180 | } |
2181 | ||
2182 | /* | |
2183 | * Encode LINK request | |
2184 | */ | |
9f06c719 CL |
2185 | static void nfs4_xdr_enc_link(struct rpc_rqst *req, struct xdr_stream *xdr, |
2186 | const struct nfs4_link_arg *args) | |
1da177e4 | 2187 | { |
1da177e4 | 2188 | struct compound_hdr hdr = { |
66cc0429 | 2189 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2190 | }; |
1da177e4 | 2191 | |
9f06c719 CL |
2192 | encode_compound_hdr(xdr, req, &hdr); |
2193 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2194 | encode_putfh(xdr, args->fh, &hdr); | |
2195 | encode_savefh(xdr, &hdr); | |
2196 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2197 | encode_link(xdr, args->name, &hdr); | |
9f06c719 CL |
2198 | encode_restorefh(xdr, &hdr); |
2199 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2200 | encode_nops(&hdr); |
1da177e4 LT |
2201 | } |
2202 | ||
2203 | /* | |
2204 | * Encode CREATE request | |
2205 | */ | |
9f06c719 CL |
2206 | static void nfs4_xdr_enc_create(struct rpc_rqst *req, struct xdr_stream *xdr, |
2207 | const struct nfs4_create_arg *args) | |
1da177e4 | 2208 | { |
1da177e4 | 2209 | struct compound_hdr hdr = { |
66cc0429 | 2210 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2211 | }; |
1da177e4 | 2212 | |
9f06c719 CL |
2213 | encode_compound_hdr(xdr, req, &hdr); |
2214 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2215 | encode_putfh(xdr, args->dir_fh, &hdr); | |
9f06c719 CL |
2216 | encode_create(xdr, args, &hdr); |
2217 | encode_getfh(xdr, &hdr); | |
2218 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2219 | encode_nops(&hdr); |
1da177e4 LT |
2220 | } |
2221 | ||
2222 | /* | |
2223 | * Encode SYMLINK request | |
2224 | */ | |
9f06c719 CL |
2225 | static void nfs4_xdr_enc_symlink(struct rpc_rqst *req, struct xdr_stream *xdr, |
2226 | const struct nfs4_create_arg *args) | |
1da177e4 | 2227 | { |
9f06c719 | 2228 | nfs4_xdr_enc_create(req, xdr, args); |
1da177e4 LT |
2229 | } |
2230 | ||
2231 | /* | |
2232 | * Encode GETATTR request | |
2233 | */ | |
9f06c719 CL |
2234 | static void nfs4_xdr_enc_getattr(struct rpc_rqst *req, struct xdr_stream *xdr, |
2235 | const struct nfs4_getattr_arg *args) | |
1da177e4 | 2236 | { |
1da177e4 | 2237 | struct compound_hdr hdr = { |
66cc0429 | 2238 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2239 | }; |
1da177e4 | 2240 | |
9f06c719 CL |
2241 | encode_compound_hdr(xdr, req, &hdr); |
2242 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2243 | encode_putfh(xdr, args->fh, &hdr); | |
2244 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2245 | encode_nops(&hdr); |
1da177e4 LT |
2246 | } |
2247 | ||
2248 | /* | |
2249 | * Encode a CLOSE request | |
2250 | */ | |
9f06c719 CL |
2251 | static void nfs4_xdr_enc_close(struct rpc_rqst *req, struct xdr_stream *xdr, |
2252 | struct nfs_closeargs *args) | |
1da177e4 | 2253 | { |
05d564fe | 2254 | struct compound_hdr hdr = { |
66cc0429 | 2255 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 2256 | }; |
05d564fe | 2257 | |
9f06c719 CL |
2258 | encode_compound_hdr(xdr, req, &hdr); |
2259 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2260 | encode_putfh(xdr, args->fh, &hdr); | |
2261 | encode_close(xdr, args, &hdr); | |
2262 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2263 | encode_nops(&hdr); |
1da177e4 LT |
2264 | } |
2265 | ||
2266 | /* | |
2267 | * Encode an OPEN request | |
2268 | */ | |
9f06c719 CL |
2269 | static void nfs4_xdr_enc_open(struct rpc_rqst *req, struct xdr_stream *xdr, |
2270 | struct nfs_openargs *args) | |
1da177e4 | 2271 | { |
1da177e4 | 2272 | struct compound_hdr hdr = { |
66cc0429 | 2273 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2274 | }; |
1da177e4 | 2275 | |
9f06c719 CL |
2276 | encode_compound_hdr(xdr, req, &hdr); |
2277 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2278 | encode_putfh(xdr, args->fh, &hdr); | |
9f06c719 CL |
2279 | encode_open(xdr, args, &hdr); |
2280 | encode_getfh(xdr, &hdr); | |
ae2bb032 WAA |
2281 | if (args->access) |
2282 | encode_access(xdr, args->access, &hdr); | |
1549210f | 2283 | encode_getfattr_open(xdr, args->bitmask, args->open_bitmap, &hdr); |
d017931c | 2284 | encode_nops(&hdr); |
1da177e4 LT |
2285 | } |
2286 | ||
2287 | /* | |
2288 | * Encode an OPEN_CONFIRM request | |
2289 | */ | |
9f06c719 CL |
2290 | static void nfs4_xdr_enc_open_confirm(struct rpc_rqst *req, |
2291 | struct xdr_stream *xdr, | |
2292 | struct nfs_open_confirmargs *args) | |
1da177e4 | 2293 | { |
1da177e4 | 2294 | struct compound_hdr hdr = { |
d017931c | 2295 | .nops = 0, |
1da177e4 | 2296 | }; |
1da177e4 | 2297 | |
9f06c719 CL |
2298 | encode_compound_hdr(xdr, req, &hdr); |
2299 | encode_putfh(xdr, args->fh, &hdr); | |
2300 | encode_open_confirm(xdr, args, &hdr); | |
d017931c | 2301 | encode_nops(&hdr); |
1da177e4 LT |
2302 | } |
2303 | ||
2304 | /* | |
2305 | * Encode an OPEN request with no attributes. | |
2306 | */ | |
9f06c719 CL |
2307 | static void nfs4_xdr_enc_open_noattr(struct rpc_rqst *req, |
2308 | struct xdr_stream *xdr, | |
2309 | struct nfs_openargs *args) | |
1da177e4 | 2310 | { |
1da177e4 | 2311 | struct compound_hdr hdr = { |
66cc0429 | 2312 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2313 | }; |
1da177e4 | 2314 | |
9f06c719 CL |
2315 | encode_compound_hdr(xdr, req, &hdr); |
2316 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2317 | encode_putfh(xdr, args->fh, &hdr); | |
2318 | encode_open(xdr, args, &hdr); | |
ae2bb032 WAA |
2319 | if (args->access) |
2320 | encode_access(xdr, args->access, &hdr); | |
e23008ec | 2321 | encode_getfattr_open(xdr, args->bitmask, args->open_bitmap, &hdr); |
d017931c | 2322 | encode_nops(&hdr); |
1da177e4 LT |
2323 | } |
2324 | ||
2325 | /* | |
2326 | * Encode an OPEN_DOWNGRADE request | |
2327 | */ | |
9f06c719 CL |
2328 | static void nfs4_xdr_enc_open_downgrade(struct rpc_rqst *req, |
2329 | struct xdr_stream *xdr, | |
2330 | struct nfs_closeargs *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_open_downgrade(xdr, args, &hdr); | |
2340 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2341 | encode_nops(&hdr); |
1da177e4 LT |
2342 | } |
2343 | ||
2344 | /* | |
2345 | * Encode a LOCK request | |
2346 | */ | |
9f06c719 CL |
2347 | static void nfs4_xdr_enc_lock(struct rpc_rqst *req, struct xdr_stream *xdr, |
2348 | struct nfs_lock_args *args) | |
1da177e4 | 2349 | { |
1da177e4 | 2350 | struct compound_hdr hdr = { |
66cc0429 | 2351 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2352 | }; |
1da177e4 | 2353 | |
9f06c719 CL |
2354 | encode_compound_hdr(xdr, req, &hdr); |
2355 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2356 | encode_putfh(xdr, args->fh, &hdr); | |
2357 | encode_lock(xdr, args, &hdr); | |
d017931c | 2358 | encode_nops(&hdr); |
1da177e4 LT |
2359 | } |
2360 | ||
2361 | /* | |
2362 | * Encode a LOCKT request | |
2363 | */ | |
9f06c719 CL |
2364 | static void nfs4_xdr_enc_lockt(struct rpc_rqst *req, struct xdr_stream *xdr, |
2365 | struct nfs_lockt_args *args) | |
1da177e4 | 2366 | { |
1da177e4 | 2367 | struct compound_hdr hdr = { |
66cc0429 | 2368 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2369 | }; |
1da177e4 | 2370 | |
9f06c719 CL |
2371 | encode_compound_hdr(xdr, req, &hdr); |
2372 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2373 | encode_putfh(xdr, args->fh, &hdr); | |
2374 | encode_lockt(xdr, args, &hdr); | |
d017931c | 2375 | encode_nops(&hdr); |
1da177e4 LT |
2376 | } |
2377 | ||
2378 | /* | |
2379 | * Encode a LOCKU request | |
2380 | */ | |
9f06c719 CL |
2381 | static void nfs4_xdr_enc_locku(struct rpc_rqst *req, struct xdr_stream *xdr, |
2382 | struct nfs_locku_args *args) | |
1da177e4 | 2383 | { |
1da177e4 | 2384 | struct compound_hdr hdr = { |
66cc0429 | 2385 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2386 | }; |
1da177e4 | 2387 | |
9f06c719 CL |
2388 | encode_compound_hdr(xdr, req, &hdr); |
2389 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2390 | encode_putfh(xdr, args->fh, &hdr); | |
2391 | encode_locku(xdr, args, &hdr); | |
d017931c | 2392 | encode_nops(&hdr); |
1da177e4 LT |
2393 | } |
2394 | ||
9f06c719 CL |
2395 | static void nfs4_xdr_enc_release_lockowner(struct rpc_rqst *req, |
2396 | struct xdr_stream *xdr, | |
2397 | struct nfs_release_lockowner_args *args) | |
d3c7b7cc | 2398 | { |
d3c7b7cc TM |
2399 | struct compound_hdr hdr = { |
2400 | .minorversion = 0, | |
2401 | }; | |
2402 | ||
9f06c719 CL |
2403 | encode_compound_hdr(xdr, req, &hdr); |
2404 | encode_release_lockowner(xdr, &args->lock_owner, &hdr); | |
d3c7b7cc | 2405 | encode_nops(&hdr); |
d3c7b7cc TM |
2406 | } |
2407 | ||
1da177e4 LT |
2408 | /* |
2409 | * Encode a READLINK request | |
2410 | */ | |
9f06c719 CL |
2411 | static void nfs4_xdr_enc_readlink(struct rpc_rqst *req, struct xdr_stream *xdr, |
2412 | const struct nfs4_readlink *args) | |
1da177e4 | 2413 | { |
1da177e4 | 2414 | struct compound_hdr hdr = { |
66cc0429 | 2415 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2416 | }; |
1da177e4 | 2417 | |
9f06c719 CL |
2418 | encode_compound_hdr(xdr, req, &hdr); |
2419 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2420 | encode_putfh(xdr, args->fh, &hdr); | |
2421 | encode_readlink(xdr, args, req, &hdr); | |
e3a535e1 | 2422 | |
28f56694 | 2423 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, |
e3a535e1 | 2424 | args->pgbase, args->pglen); |
d017931c | 2425 | encode_nops(&hdr); |
1da177e4 LT |
2426 | } |
2427 | ||
2428 | /* | |
2429 | * Encode a READDIR request | |
2430 | */ | |
9f06c719 CL |
2431 | static void nfs4_xdr_enc_readdir(struct rpc_rqst *req, struct xdr_stream *xdr, |
2432 | const struct nfs4_readdir_arg *args) | |
1da177e4 | 2433 | { |
1da177e4 | 2434 | struct compound_hdr hdr = { |
66cc0429 | 2435 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2436 | }; |
1da177e4 | 2437 | |
9f06c719 CL |
2438 | encode_compound_hdr(xdr, req, &hdr); |
2439 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2440 | encode_putfh(xdr, args->fh, &hdr); | |
2441 | encode_readdir(xdr, args, req, &hdr); | |
d6ac02df | 2442 | |
28f56694 | 2443 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages, |
d6ac02df TM |
2444 | args->pgbase, args->count); |
2445 | dprintk("%s: inlined page args = (%u, %p, %u, %u)\n", | |
28f56694 | 2446 | __func__, hdr.replen << 2, args->pages, |
d6ac02df | 2447 | args->pgbase, args->count); |
d017931c | 2448 | encode_nops(&hdr); |
1da177e4 LT |
2449 | } |
2450 | ||
2451 | /* | |
2452 | * Encode a READ request | |
2453 | */ | |
9f06c719 CL |
2454 | static void nfs4_xdr_enc_read(struct rpc_rqst *req, struct xdr_stream *xdr, |
2455 | struct nfs_readargs *args) | |
1da177e4 | 2456 | { |
1da177e4 | 2457 | struct compound_hdr hdr = { |
66cc0429 | 2458 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2459 | }; |
1da177e4 | 2460 | |
9f06c719 CL |
2461 | encode_compound_hdr(xdr, req, &hdr); |
2462 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2463 | encode_putfh(xdr, args->fh, &hdr); | |
2464 | encode_read(xdr, args, &hdr); | |
1da177e4 | 2465 | |
28f56694 | 2466 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, |
1da177e4 | 2467 | args->pages, args->pgbase, args->count); |
4f22ccc3 | 2468 | req->rq_rcv_buf.flags |= XDRBUF_READ; |
d017931c | 2469 | encode_nops(&hdr); |
1da177e4 LT |
2470 | } |
2471 | ||
2472 | /* | |
2473 | * Encode an SETATTR request | |
2474 | */ | |
9f06c719 CL |
2475 | static void nfs4_xdr_enc_setattr(struct rpc_rqst *req, struct xdr_stream *xdr, |
2476 | struct nfs_setattrargs *args) | |
1da177e4 | 2477 | { |
05d564fe | 2478 | struct compound_hdr hdr = { |
66cc0429 | 2479 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 2480 | }; |
05d564fe | 2481 | |
9f06c719 CL |
2482 | encode_compound_hdr(xdr, req, &hdr); |
2483 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2484 | encode_putfh(xdr, args->fh, &hdr); | |
2485 | encode_setattr(xdr, args, args->server, &hdr); | |
2486 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2487 | encode_nops(&hdr); |
1da177e4 LT |
2488 | } |
2489 | ||
029d105e BF |
2490 | /* |
2491 | * Encode a GETACL request | |
2492 | */ | |
9f06c719 CL |
2493 | static void nfs4_xdr_enc_getacl(struct rpc_rqst *req, struct xdr_stream *xdr, |
2494 | struct nfs_getaclargs *args) | |
029d105e | 2495 | { |
029d105e | 2496 | struct compound_hdr hdr = { |
66cc0429 | 2497 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
029d105e | 2498 | }; |
28f56694 | 2499 | uint32_t replen; |
029d105e | 2500 | |
9f06c719 CL |
2501 | encode_compound_hdr(xdr, req, &hdr); |
2502 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2503 | encode_putfh(xdr, args->fh, &hdr); | |
bf118a34 | 2504 | replen = hdr.replen + op_decode_hdr_maxsz + 1; |
9f06c719 | 2505 | encode_getattr_two(xdr, FATTR4_WORD0_ACL, 0, &hdr); |
cf8cdbe5 | 2506 | |
28f56694 | 2507 | xdr_inline_pages(&req->rq_rcv_buf, replen << 2, |
029d105e | 2508 | args->acl_pages, args->acl_pgbase, args->acl_len); |
bf118a34 | 2509 | |
d017931c | 2510 | encode_nops(&hdr); |
029d105e BF |
2511 | } |
2512 | ||
1da177e4 LT |
2513 | /* |
2514 | * Encode a WRITE request | |
2515 | */ | |
9f06c719 CL |
2516 | static void nfs4_xdr_enc_write(struct rpc_rqst *req, struct xdr_stream *xdr, |
2517 | struct nfs_writeargs *args) | |
1da177e4 | 2518 | { |
1da177e4 | 2519 | struct compound_hdr hdr = { |
66cc0429 | 2520 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2521 | }; |
1da177e4 | 2522 | |
9f06c719 CL |
2523 | encode_compound_hdr(xdr, req, &hdr); |
2524 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2525 | encode_putfh(xdr, args->fh, &hdr); | |
2526 | encode_write(xdr, args, &hdr); | |
4f22ccc3 | 2527 | req->rq_snd_buf.flags |= XDRBUF_WRITE; |
7ffd1064 FI |
2528 | if (args->bitmask) |
2529 | encode_getfattr(xdr, args->bitmask, &hdr); | |
d017931c | 2530 | encode_nops(&hdr); |
1da177e4 LT |
2531 | } |
2532 | ||
2533 | /* | |
2534 | * a COMMIT request | |
2535 | */ | |
9f06c719 | 2536 | static void nfs4_xdr_enc_commit(struct rpc_rqst *req, struct xdr_stream *xdr, |
0b7c0153 | 2537 | struct nfs_commitargs *args) |
1da177e4 | 2538 | { |
1da177e4 | 2539 | struct compound_hdr hdr = { |
66cc0429 | 2540 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2541 | }; |
1da177e4 | 2542 | |
9f06c719 CL |
2543 | encode_compound_hdr(xdr, req, &hdr); |
2544 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2545 | encode_putfh(xdr, args->fh, &hdr); | |
2546 | encode_commit(xdr, args, &hdr); | |
d017931c | 2547 | encode_nops(&hdr); |
1da177e4 LT |
2548 | } |
2549 | ||
2550 | /* | |
2551 | * FSINFO request | |
2552 | */ | |
9f06c719 CL |
2553 | static void nfs4_xdr_enc_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, |
2554 | struct nfs4_fsinfo_arg *args) | |
1da177e4 | 2555 | { |
1da177e4 | 2556 | struct compound_hdr hdr = { |
66cc0429 | 2557 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2558 | }; |
1da177e4 | 2559 | |
9f06c719 CL |
2560 | encode_compound_hdr(xdr, req, &hdr); |
2561 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2562 | encode_putfh(xdr, args->fh, &hdr); | |
2563 | encode_fsinfo(xdr, args->bitmask, &hdr); | |
d017931c | 2564 | encode_nops(&hdr); |
1da177e4 LT |
2565 | } |
2566 | ||
2567 | /* | |
2568 | * a PATHCONF request | |
2569 | */ | |
9f06c719 CL |
2570 | static void nfs4_xdr_enc_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, |
2571 | const struct nfs4_pathconf_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_one(xdr, args->bitmask[0] & nfs4_pathconf_bitmap[0], | |
cf8cdbe5 | 2581 | &hdr); |
d017931c | 2582 | encode_nops(&hdr); |
1da177e4 LT |
2583 | } |
2584 | ||
2585 | /* | |
2586 | * a STATFS request | |
2587 | */ | |
9f06c719 CL |
2588 | static void nfs4_xdr_enc_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, |
2589 | const struct nfs4_statfs_arg *args) | |
1da177e4 | 2590 | { |
1da177e4 | 2591 | struct compound_hdr hdr = { |
66cc0429 | 2592 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2593 | }; |
1da177e4 | 2594 | |
9f06c719 CL |
2595 | encode_compound_hdr(xdr, req, &hdr); |
2596 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2597 | encode_putfh(xdr, args->fh, &hdr); | |
2598 | encode_getattr_two(xdr, args->bitmask[0] & nfs4_statfs_bitmap[0], | |
cf8cdbe5 | 2599 | args->bitmask[1] & nfs4_statfs_bitmap[1], &hdr); |
d017931c | 2600 | encode_nops(&hdr); |
1da177e4 LT |
2601 | } |
2602 | ||
2603 | /* | |
2604 | * GETATTR_BITMAP request | |
2605 | */ | |
9f06c719 CL |
2606 | static void nfs4_xdr_enc_server_caps(struct rpc_rqst *req, |
2607 | struct xdr_stream *xdr, | |
2608 | struct nfs4_server_caps_arg *args) | |
1da177e4 | 2609 | { |
1da177e4 | 2610 | struct compound_hdr hdr = { |
66cc0429 | 2611 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2612 | }; |
1da177e4 | 2613 | |
9f06c719 CL |
2614 | encode_compound_hdr(xdr, req, &hdr); |
2615 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2616 | encode_putfh(xdr, args->fhandle, &hdr); | |
2617 | encode_getattr_one(xdr, FATTR4_WORD0_SUPPORTED_ATTRS| | |
264e6351 | 2618 | FATTR4_WORD0_FH_EXPIRE_TYPE| |
cf8cdbe5 AA |
2619 | FATTR4_WORD0_LINK_SUPPORT| |
2620 | FATTR4_WORD0_SYMLINK_SUPPORT| | |
2621 | FATTR4_WORD0_ACLSUPPORT, &hdr); | |
d017931c | 2622 | encode_nops(&hdr); |
1da177e4 LT |
2623 | } |
2624 | ||
2625 | /* | |
2626 | * a RENEW request | |
2627 | */ | |
9f06c719 CL |
2628 | static void nfs4_xdr_enc_renew(struct rpc_rqst *req, struct xdr_stream *xdr, |
2629 | struct nfs_client *clp) | |
1da177e4 | 2630 | { |
1da177e4 | 2631 | struct compound_hdr hdr = { |
d017931c | 2632 | .nops = 0, |
1da177e4 LT |
2633 | }; |
2634 | ||
9f06c719 | 2635 | encode_compound_hdr(xdr, req, &hdr); |
bb4dae5e | 2636 | encode_renew(xdr, clp->cl_clientid, &hdr); |
d017931c | 2637 | encode_nops(&hdr); |
1da177e4 LT |
2638 | } |
2639 | ||
2640 | /* | |
2641 | * a SETCLIENTID request | |
2642 | */ | |
9f06c719 CL |
2643 | static void nfs4_xdr_enc_setclientid(struct rpc_rqst *req, |
2644 | struct xdr_stream *xdr, | |
2645 | struct nfs4_setclientid *sc) | |
1da177e4 | 2646 | { |
1da177e4 | 2647 | struct compound_hdr hdr = { |
d017931c | 2648 | .nops = 0, |
1da177e4 LT |
2649 | }; |
2650 | ||
9f06c719 CL |
2651 | encode_compound_hdr(xdr, req, &hdr); |
2652 | encode_setclientid(xdr, sc, &hdr); | |
d017931c | 2653 | encode_nops(&hdr); |
1da177e4 LT |
2654 | } |
2655 | ||
2656 | /* | |
2657 | * a SETCLIENTID_CONFIRM request | |
2658 | */ | |
9f06c719 CL |
2659 | static void nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, |
2660 | struct xdr_stream *xdr, | |
2661 | struct nfs4_setclientid_res *arg) | |
1da177e4 | 2662 | { |
1da177e4 | 2663 | struct compound_hdr hdr = { |
d017931c | 2664 | .nops = 0, |
1da177e4 | 2665 | }; |
1da177e4 | 2666 | |
9f06c719 CL |
2667 | encode_compound_hdr(xdr, req, &hdr); |
2668 | encode_setclientid_confirm(xdr, arg, &hdr); | |
d017931c | 2669 | encode_nops(&hdr); |
1da177e4 LT |
2670 | } |
2671 | ||
2672 | /* | |
2673 | * DELEGRETURN request | |
2674 | */ | |
9f06c719 CL |
2675 | static void nfs4_xdr_enc_delegreturn(struct rpc_rqst *req, |
2676 | struct xdr_stream *xdr, | |
2677 | const struct nfs4_delegreturnargs *args) | |
1da177e4 | 2678 | { |
1da177e4 | 2679 | struct compound_hdr hdr = { |
66cc0429 | 2680 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
1da177e4 | 2681 | }; |
1da177e4 | 2682 | |
9f06c719 CL |
2683 | encode_compound_hdr(xdr, req, &hdr); |
2684 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2685 | encode_putfh(xdr, args->fhandle, &hdr); | |
9f06c719 | 2686 | encode_getfattr(xdr, args->bitmask, &hdr); |
e144cbcc | 2687 | encode_delegreturn(xdr, args->stateid, &hdr); |
d017931c | 2688 | encode_nops(&hdr); |
1da177e4 LT |
2689 | } |
2690 | ||
683b57b4 TM |
2691 | /* |
2692 | * Encode FS_LOCATIONS request | |
2693 | */ | |
9f06c719 CL |
2694 | static void nfs4_xdr_enc_fs_locations(struct rpc_rqst *req, |
2695 | struct xdr_stream *xdr, | |
2696 | struct nfs4_fs_locations_arg *args) | |
683b57b4 | 2697 | { |
683b57b4 | 2698 | struct compound_hdr hdr = { |
66cc0429 | 2699 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
683b57b4 | 2700 | }; |
28f56694 | 2701 | uint32_t replen; |
683b57b4 | 2702 | |
9f06c719 CL |
2703 | encode_compound_hdr(xdr, req, &hdr); |
2704 | encode_sequence(xdr, &args->seq_args, &hdr); | |
b03d735b CL |
2705 | if (args->migration) { |
2706 | encode_putfh(xdr, args->fh, &hdr); | |
2707 | replen = hdr.replen; | |
2708 | encode_fs_locations(xdr, args->bitmask, &hdr); | |
2709 | if (args->renew) | |
2710 | encode_renew(xdr, args->clientid, &hdr); | |
2711 | } else { | |
2712 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2713 | encode_lookup(xdr, args->name, &hdr); | |
2714 | replen = hdr.replen; | |
2715 | encode_fs_locations(xdr, args->bitmask, &hdr); | |
2716 | } | |
cf8cdbe5 | 2717 | |
b03d735b | 2718 | /* Set up reply kvec to capture returned fs_locations array. */ |
28f56694 | 2719 | xdr_inline_pages(&req->rq_rcv_buf, replen << 2, &args->page, |
683b57b4 | 2720 | 0, PAGE_SIZE); |
d017931c | 2721 | encode_nops(&hdr); |
683b57b4 TM |
2722 | } |
2723 | ||
5a5ea0d4 BS |
2724 | /* |
2725 | * Encode SECINFO request | |
2726 | */ | |
2727 | static void nfs4_xdr_enc_secinfo(struct rpc_rqst *req, | |
2728 | struct xdr_stream *xdr, | |
2729 | struct nfs4_secinfo_arg *args) | |
2730 | { | |
2731 | struct compound_hdr hdr = { | |
2732 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2733 | }; | |
2734 | ||
2735 | encode_compound_hdr(xdr, req, &hdr); | |
2736 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2737 | encode_putfh(xdr, args->dir_fh, &hdr); | |
2738 | encode_secinfo(xdr, args->name, &hdr); | |
2739 | encode_nops(&hdr); | |
2740 | } | |
2741 | ||
44c99933 CL |
2742 | /* |
2743 | * Encode FSID_PRESENT request | |
2744 | */ | |
2745 | static void nfs4_xdr_enc_fsid_present(struct rpc_rqst *req, | |
2746 | struct xdr_stream *xdr, | |
2747 | struct nfs4_fsid_present_arg *args) | |
2748 | { | |
2749 | struct compound_hdr hdr = { | |
2750 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2751 | }; | |
2752 | ||
2753 | encode_compound_hdr(xdr, req, &hdr); | |
2754 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2755 | encode_putfh(xdr, args->fh, &hdr); | |
2756 | encode_getfh(xdr, &hdr); | |
2757 | if (args->renew) | |
2758 | encode_renew(xdr, args->clientid, &hdr); | |
2759 | encode_nops(&hdr); | |
2760 | } | |
2761 | ||
99fe60d0 | 2762 | #if defined(CONFIG_NFS_V4_1) |
7c44f1ae WAA |
2763 | /* |
2764 | * BIND_CONN_TO_SESSION request | |
2765 | */ | |
2766 | static void nfs4_xdr_enc_bind_conn_to_session(struct rpc_rqst *req, | |
2767 | struct xdr_stream *xdr, | |
2768 | struct nfs_client *clp) | |
2769 | { | |
2770 | struct compound_hdr hdr = { | |
2771 | .minorversion = clp->cl_mvops->minor_version, | |
2772 | }; | |
2773 | ||
2774 | encode_compound_hdr(xdr, req, &hdr); | |
2775 | encode_bind_conn_to_session(xdr, clp->cl_session, &hdr); | |
2776 | encode_nops(&hdr); | |
2777 | } | |
2778 | ||
99fe60d0 BH |
2779 | /* |
2780 | * EXCHANGE_ID request | |
2781 | */ | |
9f06c719 CL |
2782 | static void nfs4_xdr_enc_exchange_id(struct rpc_rqst *req, |
2783 | struct xdr_stream *xdr, | |
2784 | struct nfs41_exchange_id_args *args) | |
99fe60d0 | 2785 | { |
99fe60d0 | 2786 | struct compound_hdr hdr = { |
a4432345 | 2787 | .minorversion = args->client->cl_mvops->minor_version, |
99fe60d0 BH |
2788 | }; |
2789 | ||
9f06c719 CL |
2790 | encode_compound_hdr(xdr, req, &hdr); |
2791 | encode_exchange_id(xdr, args, &hdr); | |
99fe60d0 | 2792 | encode_nops(&hdr); |
99fe60d0 | 2793 | } |
2050f0cc | 2794 | |
fc931582 AA |
2795 | /* |
2796 | * a CREATE_SESSION request | |
2797 | */ | |
9f06c719 CL |
2798 | static void nfs4_xdr_enc_create_session(struct rpc_rqst *req, |
2799 | struct xdr_stream *xdr, | |
2800 | struct nfs41_create_session_args *args) | |
fc931582 | 2801 | { |
fc931582 | 2802 | struct compound_hdr hdr = { |
a4432345 | 2803 | .minorversion = args->client->cl_mvops->minor_version, |
fc931582 AA |
2804 | }; |
2805 | ||
9f06c719 CL |
2806 | encode_compound_hdr(xdr, req, &hdr); |
2807 | encode_create_session(xdr, args, &hdr); | |
fc931582 | 2808 | encode_nops(&hdr); |
fc931582 AA |
2809 | } |
2810 | ||
0f3e66c6 AA |
2811 | /* |
2812 | * a DESTROY_SESSION request | |
2813 | */ | |
9f06c719 CL |
2814 | static void nfs4_xdr_enc_destroy_session(struct rpc_rqst *req, |
2815 | struct xdr_stream *xdr, | |
2816 | struct nfs4_session *session) | |
0f3e66c6 | 2817 | { |
0f3e66c6 | 2818 | struct compound_hdr hdr = { |
a4432345 | 2819 | .minorversion = session->clp->cl_mvops->minor_version, |
0f3e66c6 AA |
2820 | }; |
2821 | ||
9f06c719 CL |
2822 | encode_compound_hdr(xdr, req, &hdr); |
2823 | encode_destroy_session(xdr, session, &hdr); | |
0f3e66c6 | 2824 | encode_nops(&hdr); |
0f3e66c6 AA |
2825 | } |
2826 | ||
66245539 TM |
2827 | /* |
2828 | * a DESTROY_CLIENTID request | |
2829 | */ | |
2830 | static void nfs4_xdr_enc_destroy_clientid(struct rpc_rqst *req, | |
2831 | struct xdr_stream *xdr, | |
2832 | struct nfs_client *clp) | |
2833 | { | |
2834 | struct compound_hdr hdr = { | |
2835 | .minorversion = clp->cl_mvops->minor_version, | |
2836 | }; | |
2837 | ||
2838 | encode_compound_hdr(xdr, req, &hdr); | |
2839 | encode_destroy_clientid(xdr, clp->cl_clientid, &hdr); | |
2840 | encode_nops(&hdr); | |
2841 | } | |
2842 | ||
fc01cea9 AA |
2843 | /* |
2844 | * a SEQUENCE request | |
2845 | */ | |
9f06c719 CL |
2846 | static void nfs4_xdr_enc_sequence(struct rpc_rqst *req, struct xdr_stream *xdr, |
2847 | struct nfs4_sequence_args *args) | |
fc01cea9 | 2848 | { |
fc01cea9 AA |
2849 | struct compound_hdr hdr = { |
2850 | .minorversion = nfs4_xdr_minorversion(args), | |
2851 | }; | |
2852 | ||
9f06c719 CL |
2853 | encode_compound_hdr(xdr, req, &hdr); |
2854 | encode_sequence(xdr, args, &hdr); | |
fc01cea9 | 2855 | encode_nops(&hdr); |
fc01cea9 AA |
2856 | } |
2857 | ||
2050f0cc AA |
2858 | /* |
2859 | * a GET_LEASE_TIME request | |
2860 | */ | |
9f06c719 CL |
2861 | static void nfs4_xdr_enc_get_lease_time(struct rpc_rqst *req, |
2862 | struct xdr_stream *xdr, | |
2863 | struct nfs4_get_lease_time_args *args) | |
2050f0cc | 2864 | { |
2050f0cc AA |
2865 | struct compound_hdr hdr = { |
2866 | .minorversion = nfs4_xdr_minorversion(&args->la_seq_args), | |
2867 | }; | |
dae100c2 | 2868 | const u32 lease_bitmap[3] = { FATTR4_WORD0_LEASE_TIME }; |
2050f0cc | 2869 | |
9f06c719 CL |
2870 | encode_compound_hdr(xdr, req, &hdr); |
2871 | encode_sequence(xdr, &args->la_seq_args, &hdr); | |
2872 | encode_putrootfh(xdr, &hdr); | |
2873 | encode_fsinfo(xdr, lease_bitmap, &hdr); | |
2050f0cc | 2874 | encode_nops(&hdr); |
2050f0cc | 2875 | } |
18019753 RL |
2876 | |
2877 | /* | |
2878 | * a RECLAIM_COMPLETE request | |
2879 | */ | |
9f06c719 CL |
2880 | static void nfs4_xdr_enc_reclaim_complete(struct rpc_rqst *req, |
2881 | struct xdr_stream *xdr, | |
2882 | struct nfs41_reclaim_complete_args *args) | |
18019753 | 2883 | { |
18019753 RL |
2884 | struct compound_hdr hdr = { |
2885 | .minorversion = nfs4_xdr_minorversion(&args->seq_args) | |
2886 | }; | |
2887 | ||
9f06c719 CL |
2888 | encode_compound_hdr(xdr, req, &hdr); |
2889 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2890 | encode_reclaim_complete(xdr, args, &hdr); | |
18019753 | 2891 | encode_nops(&hdr); |
18019753 RL |
2892 | } |
2893 | ||
7f11d8d3 AA |
2894 | /* |
2895 | * Encode GETDEVICELIST request | |
2896 | */ | |
2897 | static void nfs4_xdr_enc_getdevicelist(struct rpc_rqst *req, | |
2898 | struct xdr_stream *xdr, | |
2899 | struct nfs4_getdevicelist_args *args) | |
2900 | { | |
2901 | struct compound_hdr hdr = { | |
2902 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2903 | }; | |
2904 | ||
2905 | encode_compound_hdr(xdr, req, &hdr); | |
2906 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2907 | encode_putfh(xdr, args->fh, &hdr); | |
2908 | encode_getdevicelist(xdr, args, &hdr); | |
2909 | encode_nops(&hdr); | |
2910 | } | |
2911 | ||
b1f69b75 AA |
2912 | /* |
2913 | * Encode GETDEVICEINFO request | |
2914 | */ | |
9f06c719 CL |
2915 | static void nfs4_xdr_enc_getdeviceinfo(struct rpc_rqst *req, |
2916 | struct xdr_stream *xdr, | |
2917 | struct nfs4_getdeviceinfo_args *args) | |
b1f69b75 | 2918 | { |
b1f69b75 AA |
2919 | struct compound_hdr hdr = { |
2920 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2921 | }; | |
2922 | ||
9f06c719 CL |
2923 | encode_compound_hdr(xdr, req, &hdr); |
2924 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2925 | encode_getdeviceinfo(xdr, args, &hdr); | |
b1f69b75 AA |
2926 | |
2927 | /* set up reply kvec. Subtract notification bitmap max size (2) | |
2928 | * so that notification bitmap is put in xdr_buf tail */ | |
2929 | xdr_inline_pages(&req->rq_rcv_buf, (hdr.replen - 2) << 2, | |
2930 | args->pdev->pages, args->pdev->pgbase, | |
2931 | args->pdev->pglen); | |
2932 | ||
2933 | encode_nops(&hdr); | |
b1f69b75 AA |
2934 | } |
2935 | ||
2936 | /* | |
2937 | * Encode LAYOUTGET request | |
2938 | */ | |
9f06c719 CL |
2939 | static void nfs4_xdr_enc_layoutget(struct rpc_rqst *req, |
2940 | struct xdr_stream *xdr, | |
2941 | struct nfs4_layoutget_args *args) | |
b1f69b75 | 2942 | { |
b1f69b75 AA |
2943 | struct compound_hdr hdr = { |
2944 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2945 | }; | |
2946 | ||
9f06c719 CL |
2947 | encode_compound_hdr(xdr, req, &hdr); |
2948 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2949 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
2950 | encode_layoutget(xdr, args, &hdr); | |
35124a09 WAA |
2951 | |
2952 | xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, | |
2953 | args->layout.pages, 0, args->layout.pglen); | |
2954 | ||
b1f69b75 | 2955 | encode_nops(&hdr); |
b1f69b75 | 2956 | } |
863a3c6c AA |
2957 | |
2958 | /* | |
2959 | * Encode LAYOUTCOMMIT request | |
2960 | */ | |
cbe82603 BH |
2961 | static void nfs4_xdr_enc_layoutcommit(struct rpc_rqst *req, |
2962 | struct xdr_stream *xdr, | |
2963 | struct nfs4_layoutcommit_args *args) | |
863a3c6c | 2964 | { |
ac7db726 BH |
2965 | struct nfs4_layoutcommit_data *data = |
2966 | container_of(args, struct nfs4_layoutcommit_data, args); | |
863a3c6c AA |
2967 | struct compound_hdr hdr = { |
2968 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2969 | }; | |
2970 | ||
2971 | encode_compound_hdr(xdr, req, &hdr); | |
2972 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2973 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
ac7db726 | 2974 | encode_layoutcommit(xdr, data->args.inode, args, &hdr); |
863a3c6c | 2975 | encode_getfattr(xdr, args->bitmask, &hdr); |
b1f69b75 | 2976 | encode_nops(&hdr); |
cbe82603 BH |
2977 | } |
2978 | ||
2979 | /* | |
2980 | * Encode LAYOUTRETURN request | |
2981 | */ | |
2982 | static void nfs4_xdr_enc_layoutreturn(struct rpc_rqst *req, | |
2983 | struct xdr_stream *xdr, | |
2984 | struct nfs4_layoutreturn_args *args) | |
2985 | { | |
2986 | struct compound_hdr hdr = { | |
2987 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
2988 | }; | |
2989 | ||
2990 | encode_compound_hdr(xdr, req, &hdr); | |
2991 | encode_sequence(xdr, &args->seq_args, &hdr); | |
2992 | encode_putfh(xdr, NFS_FH(args->inode), &hdr); | |
2993 | encode_layoutreturn(xdr, args, &hdr); | |
2994 | encode_nops(&hdr); | |
b1f69b75 | 2995 | } |
fca78d6d BS |
2996 | |
2997 | /* | |
2998 | * Encode SECINFO_NO_NAME request | |
2999 | */ | |
3000 | static int nfs4_xdr_enc_secinfo_no_name(struct rpc_rqst *req, | |
3001 | struct xdr_stream *xdr, | |
3002 | struct nfs41_secinfo_no_name_args *args) | |
3003 | { | |
3004 | struct compound_hdr hdr = { | |
3005 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
3006 | }; | |
3007 | ||
3008 | encode_compound_hdr(xdr, req, &hdr); | |
3009 | encode_sequence(xdr, &args->seq_args, &hdr); | |
3010 | encode_putrootfh(xdr, &hdr); | |
3011 | encode_secinfo_no_name(xdr, args, &hdr); | |
3012 | encode_nops(&hdr); | |
3013 | return 0; | |
3014 | } | |
7d974794 BS |
3015 | |
3016 | /* | |
3017 | * Encode TEST_STATEID request | |
3018 | */ | |
3019 | static void nfs4_xdr_enc_test_stateid(struct rpc_rqst *req, | |
3020 | struct xdr_stream *xdr, | |
3021 | struct nfs41_test_stateid_args *args) | |
3022 | { | |
3023 | struct compound_hdr hdr = { | |
3024 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
3025 | }; | |
3026 | ||
3027 | encode_compound_hdr(xdr, req, &hdr); | |
3028 | encode_sequence(xdr, &args->seq_args, &hdr); | |
3029 | encode_test_stateid(xdr, args, &hdr); | |
3030 | encode_nops(&hdr); | |
3031 | } | |
9aeda35f BS |
3032 | |
3033 | /* | |
3034 | * Encode FREE_STATEID request | |
3035 | */ | |
3036 | static void nfs4_xdr_enc_free_stateid(struct rpc_rqst *req, | |
3037 | struct xdr_stream *xdr, | |
3038 | struct nfs41_free_stateid_args *args) | |
3039 | { | |
3040 | struct compound_hdr hdr = { | |
3041 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), | |
3042 | }; | |
3043 | ||
3044 | encode_compound_hdr(xdr, req, &hdr); | |
3045 | encode_sequence(xdr, &args->seq_args, &hdr); | |
3046 | encode_free_stateid(xdr, args, &hdr); | |
3047 | encode_nops(&hdr); | |
3048 | } | |
99fe60d0 BH |
3049 | #endif /* CONFIG_NFS_V4_1 */ |
3050 | ||
686841b3 BH |
3051 | static void print_overflow_msg(const char *func, const struct xdr_stream *xdr) |
3052 | { | |
3053 | dprintk("nfs: %s: prematurely hit end of receive buffer. " | |
3054 | "Remaining buffer length is %tu words.\n", | |
3055 | func, xdr->end - xdr->p); | |
3056 | } | |
1da177e4 | 3057 | |
683b57b4 | 3058 | static int decode_opaque_inline(struct xdr_stream *xdr, unsigned int *len, char **string) |
1da177e4 | 3059 | { |
8687b63a | 3060 | __be32 *p; |
1da177e4 | 3061 | |
c0eae66e BH |
3062 | p = xdr_inline_decode(xdr, 4); |
3063 | if (unlikely(!p)) | |
3064 | goto out_overflow; | |
cccddf4f | 3065 | *len = be32_to_cpup(p); |
c0eae66e BH |
3066 | p = xdr_inline_decode(xdr, *len); |
3067 | if (unlikely(!p)) | |
3068 | goto out_overflow; | |
1da177e4 LT |
3069 | *string = (char *)p; |
3070 | return 0; | |
c0eae66e BH |
3071 | out_overflow: |
3072 | print_overflow_msg(__func__, xdr); | |
3073 | return -EIO; | |
1da177e4 LT |
3074 | } |
3075 | ||
3076 | static int decode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr) | |
3077 | { | |
8687b63a | 3078 | __be32 *p; |
1da177e4 | 3079 | |
c0eae66e BH |
3080 | p = xdr_inline_decode(xdr, 8); |
3081 | if (unlikely(!p)) | |
3082 | goto out_overflow; | |
6f723f77 | 3083 | hdr->status = be32_to_cpup(p++); |
cccddf4f | 3084 | hdr->taglen = be32_to_cpup(p); |
6c0195a4 | 3085 | |
c0eae66e BH |
3086 | p = xdr_inline_decode(xdr, hdr->taglen + 4); |
3087 | if (unlikely(!p)) | |
3088 | goto out_overflow; | |
1da177e4 LT |
3089 | hdr->tag = (char *)p; |
3090 | p += XDR_QUADLEN(hdr->taglen); | |
cccddf4f | 3091 | hdr->nops = be32_to_cpup(p); |
aadf6152 BH |
3092 | if (unlikely(hdr->nops < 1)) |
3093 | return nfs4_stat_to_errno(hdr->status); | |
1da177e4 | 3094 | return 0; |
c0eae66e BH |
3095 | out_overflow: |
3096 | print_overflow_msg(__func__, xdr); | |
3097 | return -EIO; | |
1da177e4 LT |
3098 | } |
3099 | ||
c7848f69 TM |
3100 | static bool __decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected, |
3101 | int *nfs_retval) | |
1da177e4 | 3102 | { |
8687b63a | 3103 | __be32 *p; |
1da177e4 LT |
3104 | uint32_t opnum; |
3105 | int32_t nfserr; | |
3106 | ||
c0eae66e BH |
3107 | p = xdr_inline_decode(xdr, 8); |
3108 | if (unlikely(!p)) | |
3109 | goto out_overflow; | |
6f723f77 | 3110 | opnum = be32_to_cpup(p++); |
c7848f69 TM |
3111 | if (unlikely(opnum != expected)) |
3112 | goto out_bad_operation; | |
cccddf4f | 3113 | nfserr = be32_to_cpup(p); |
c7848f69 TM |
3114 | if (nfserr == NFS_OK) |
3115 | *nfs_retval = 0; | |
3116 | else | |
3117 | *nfs_retval = nfs4_stat_to_errno(nfserr); | |
3118 | return true; | |
3119 | out_bad_operation: | |
3120 | dprintk("nfs: Server returned operation" | |
3121 | " %d but we issued a request for %d\n", | |
3122 | opnum, expected); | |
3123 | *nfs_retval = -EREMOTEIO; | |
3124 | return false; | |
c0eae66e BH |
3125 | out_overflow: |
3126 | print_overflow_msg(__func__, xdr); | |
c7848f69 TM |
3127 | *nfs_retval = -EIO; |
3128 | return false; | |
3129 | } | |
3130 | ||
3131 | static int decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected) | |
3132 | { | |
3133 | int retval; | |
3134 | ||
3135 | __decode_op_hdr(xdr, expected, &retval); | |
3136 | return retval; | |
1da177e4 LT |
3137 | } |
3138 | ||
3139 | /* Dummy routine */ | |
adfa6f98 | 3140 | static int decode_ace(struct xdr_stream *xdr, void *ace, struct nfs_client *clp) |
1da177e4 | 3141 | { |
8687b63a | 3142 | __be32 *p; |
683b57b4 | 3143 | unsigned int strlen; |
1da177e4 LT |
3144 | char *str; |
3145 | ||
c0eae66e BH |
3146 | p = xdr_inline_decode(xdr, 12); |
3147 | if (likely(p)) | |
3148 | return decode_opaque_inline(xdr, &strlen, &str); | |
3149 | print_overflow_msg(__func__, xdr); | |
3150 | return -EIO; | |
1da177e4 LT |
3151 | } |
3152 | ||
3153 | static int decode_attr_bitmap(struct xdr_stream *xdr, uint32_t *bitmap) | |
3154 | { | |
8687b63a AV |
3155 | uint32_t bmlen; |
3156 | __be32 *p; | |
1da177e4 | 3157 | |
c0eae66e BH |
3158 | p = xdr_inline_decode(xdr, 4); |
3159 | if (unlikely(!p)) | |
3160 | goto out_overflow; | |
cccddf4f | 3161 | bmlen = be32_to_cpup(p); |
1da177e4 | 3162 | |
dae100c2 | 3163 | bitmap[0] = bitmap[1] = bitmap[2] = 0; |
c0eae66e BH |
3164 | p = xdr_inline_decode(xdr, (bmlen << 2)); |
3165 | if (unlikely(!p)) | |
3166 | goto out_overflow; | |
1da177e4 | 3167 | if (bmlen > 0) { |
6f723f77 | 3168 | bitmap[0] = be32_to_cpup(p++); |
dae100c2 FI |
3169 | if (bmlen > 1) { |
3170 | bitmap[1] = be32_to_cpup(p++); | |
3171 | if (bmlen > 2) | |
3172 | bitmap[2] = be32_to_cpup(p); | |
3173 | } | |
1da177e4 LT |
3174 | } |
3175 | return 0; | |
c0eae66e BH |
3176 | out_overflow: |
3177 | print_overflow_msg(__func__, xdr); | |
3178 | return -EIO; | |
1da177e4 LT |
3179 | } |
3180 | ||
256e48bb | 3181 | static int decode_attr_length(struct xdr_stream *xdr, uint32_t *attrlen, unsigned int *savep) |
1da177e4 | 3182 | { |
8687b63a | 3183 | __be32 *p; |
1da177e4 | 3184 | |
c0eae66e BH |
3185 | p = xdr_inline_decode(xdr, 4); |
3186 | if (unlikely(!p)) | |
3187 | goto out_overflow; | |
cccddf4f | 3188 | *attrlen = be32_to_cpup(p); |
256e48bb | 3189 | *savep = xdr_stream_pos(xdr); |
1da177e4 | 3190 | return 0; |
c0eae66e BH |
3191 | out_overflow: |
3192 | print_overflow_msg(__func__, xdr); | |
3193 | return -EIO; | |
1da177e4 LT |
3194 | } |
3195 | ||
3196 | static int decode_attr_supported(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *bitmask) | |
3197 | { | |
3198 | if (likely(bitmap[0] & FATTR4_WORD0_SUPPORTED_ATTRS)) { | |
3388bff5 RB |
3199 | int ret; |
3200 | ret = decode_attr_bitmap(xdr, bitmask); | |
3201 | if (unlikely(ret < 0)) | |
3202 | return ret; | |
1da177e4 LT |
3203 | bitmap[0] &= ~FATTR4_WORD0_SUPPORTED_ATTRS; |
3204 | } else | |
dae100c2 FI |
3205 | bitmask[0] = bitmask[1] = bitmask[2] = 0; |
3206 | dprintk("%s: bitmask=%08x:%08x:%08x\n", __func__, | |
3207 | bitmask[0], bitmask[1], bitmask[2]); | |
1da177e4 LT |
3208 | return 0; |
3209 | } | |
3210 | ||
3211 | static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *type) | |
3212 | { | |
8687b63a | 3213 | __be32 *p; |
409924e4 | 3214 | int ret = 0; |
1da177e4 LT |
3215 | |
3216 | *type = 0; | |
3217 | if (unlikely(bitmap[0] & (FATTR4_WORD0_TYPE - 1U))) | |
3218 | return -EIO; | |
3219 | if (likely(bitmap[0] & FATTR4_WORD0_TYPE)) { | |
c0eae66e BH |
3220 | p = xdr_inline_decode(xdr, 4); |
3221 | if (unlikely(!p)) | |
3222 | goto out_overflow; | |
cccddf4f | 3223 | *type = be32_to_cpup(p); |
1da177e4 | 3224 | if (*type < NF4REG || *type > NF4NAMEDATTR) { |
3110ff80 | 3225 | dprintk("%s: bad type %d\n", __func__, *type); |
1da177e4 LT |
3226 | return -EIO; |
3227 | } | |
3228 | bitmap[0] &= ~FATTR4_WORD0_TYPE; | |
409924e4 | 3229 | ret = NFS_ATTR_FATTR_TYPE; |
1da177e4 | 3230 | } |
bca79478 | 3231 | dprintk("%s: type=0%o\n", __func__, nfs_type2fmt[*type]); |
409924e4 | 3232 | return ret; |
c0eae66e BH |
3233 | out_overflow: |
3234 | print_overflow_msg(__func__, xdr); | |
3235 | return -EIO; | |
1da177e4 LT |
3236 | } |
3237 | ||
264e6351 CL |
3238 | static int decode_attr_fh_expire_type(struct xdr_stream *xdr, |
3239 | uint32_t *bitmap, uint32_t *type) | |
3240 | { | |
3241 | __be32 *p; | |
3242 | ||
3243 | *type = 0; | |
3244 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FH_EXPIRE_TYPE - 1U))) | |
3245 | return -EIO; | |
3246 | if (likely(bitmap[0] & FATTR4_WORD0_FH_EXPIRE_TYPE)) { | |
3247 | p = xdr_inline_decode(xdr, 4); | |
3248 | if (unlikely(!p)) | |
3249 | goto out_overflow; | |
3250 | *type = be32_to_cpup(p); | |
3251 | bitmap[0] &= ~FATTR4_WORD0_FH_EXPIRE_TYPE; | |
3252 | } | |
3253 | dprintk("%s: expire type=0x%x\n", __func__, *type); | |
3254 | return 0; | |
3255 | out_overflow: | |
3256 | print_overflow_msg(__func__, xdr); | |
3257 | return -EIO; | |
3258 | } | |
3259 | ||
1da177e4 LT |
3260 | static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *change) |
3261 | { | |
8687b63a | 3262 | __be32 *p; |
409924e4 | 3263 | int ret = 0; |
1da177e4 LT |
3264 | |
3265 | *change = 0; | |
3266 | if (unlikely(bitmap[0] & (FATTR4_WORD0_CHANGE - 1U))) | |
3267 | return -EIO; | |
3268 | if (likely(bitmap[0] & FATTR4_WORD0_CHANGE)) { | |
c0eae66e BH |
3269 | p = xdr_inline_decode(xdr, 8); |
3270 | if (unlikely(!p)) | |
3271 | goto out_overflow; | |
cccddf4f | 3272 | xdr_decode_hyper(p, change); |
1da177e4 | 3273 | bitmap[0] &= ~FATTR4_WORD0_CHANGE; |
409924e4 | 3274 | ret = NFS_ATTR_FATTR_CHANGE; |
1da177e4 | 3275 | } |
3110ff80 | 3276 | dprintk("%s: change attribute=%Lu\n", __func__, |
1da177e4 | 3277 | (unsigned long long)*change); |
409924e4 | 3278 | return ret; |
c0eae66e BH |
3279 | out_overflow: |
3280 | print_overflow_msg(__func__, xdr); | |
3281 | return -EIO; | |
1da177e4 LT |
3282 | } |
3283 | ||
3284 | static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *size) | |
3285 | { | |
8687b63a | 3286 | __be32 *p; |
409924e4 | 3287 | int ret = 0; |
1da177e4 LT |
3288 | |
3289 | *size = 0; | |
3290 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SIZE - 1U))) | |
3291 | return -EIO; | |
3292 | if (likely(bitmap[0] & FATTR4_WORD0_SIZE)) { | |
c0eae66e BH |
3293 | p = xdr_inline_decode(xdr, 8); |
3294 | if (unlikely(!p)) | |
3295 | goto out_overflow; | |
cccddf4f | 3296 | xdr_decode_hyper(p, size); |
1da177e4 | 3297 | bitmap[0] &= ~FATTR4_WORD0_SIZE; |
409924e4 | 3298 | ret = NFS_ATTR_FATTR_SIZE; |
1da177e4 | 3299 | } |
3110ff80 | 3300 | dprintk("%s: file size=%Lu\n", __func__, (unsigned long long)*size); |
409924e4 | 3301 | return ret; |
c0eae66e BH |
3302 | out_overflow: |
3303 | print_overflow_msg(__func__, xdr); | |
3304 | return -EIO; | |
1da177e4 LT |
3305 | } |
3306 | ||
3307 | static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3308 | { | |
8687b63a | 3309 | __be32 *p; |
1da177e4 LT |
3310 | |
3311 | *res = 0; | |
3312 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LINK_SUPPORT - 1U))) | |
3313 | return -EIO; | |
3314 | if (likely(bitmap[0] & FATTR4_WORD0_LINK_SUPPORT)) { | |
c0eae66e BH |
3315 | p = xdr_inline_decode(xdr, 4); |
3316 | if (unlikely(!p)) | |
3317 | goto out_overflow; | |
cccddf4f | 3318 | *res = be32_to_cpup(p); |
1da177e4 LT |
3319 | bitmap[0] &= ~FATTR4_WORD0_LINK_SUPPORT; |
3320 | } | |
3110ff80 | 3321 | dprintk("%s: link support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 | 3322 | return 0; |
c0eae66e BH |
3323 | out_overflow: |
3324 | print_overflow_msg(__func__, xdr); | |
3325 | return -EIO; | |
1da177e4 LT |
3326 | } |
3327 | ||
3328 | static int decode_attr_symlink_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3329 | { | |
8687b63a | 3330 | __be32 *p; |
1da177e4 LT |
3331 | |
3332 | *res = 0; | |
3333 | if (unlikely(bitmap[0] & (FATTR4_WORD0_SYMLINK_SUPPORT - 1U))) | |
3334 | return -EIO; | |
3335 | if (likely(bitmap[0] & FATTR4_WORD0_SYMLINK_SUPPORT)) { | |
c0eae66e BH |
3336 | p = xdr_inline_decode(xdr, 4); |
3337 | if (unlikely(!p)) | |
3338 | goto out_overflow; | |
cccddf4f | 3339 | *res = be32_to_cpup(p); |
1da177e4 LT |
3340 | bitmap[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT; |
3341 | } | |
3110ff80 | 3342 | dprintk("%s: symlink support=%s\n", __func__, *res == 0 ? "false" : "true"); |
1da177e4 | 3343 | return 0; |
c0eae66e BH |
3344 | out_overflow: |
3345 | print_overflow_msg(__func__, xdr); | |
3346 | return -EIO; | |
1da177e4 LT |
3347 | } |
3348 | ||
8b4bdcf8 | 3349 | static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fsid *fsid) |
1da177e4 | 3350 | { |
8687b63a | 3351 | __be32 *p; |
409924e4 | 3352 | int ret = 0; |
1da177e4 LT |
3353 | |
3354 | fsid->major = 0; | |
3355 | fsid->minor = 0; | |
3356 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FSID - 1U))) | |
3357 | return -EIO; | |
3358 | if (likely(bitmap[0] & FATTR4_WORD0_FSID)) { | |
c0eae66e BH |
3359 | p = xdr_inline_decode(xdr, 16); |
3360 | if (unlikely(!p)) | |
3361 | goto out_overflow; | |
3ceb4dbb | 3362 | p = xdr_decode_hyper(p, &fsid->major); |
cccddf4f | 3363 | xdr_decode_hyper(p, &fsid->minor); |
1da177e4 | 3364 | bitmap[0] &= ~FATTR4_WORD0_FSID; |
409924e4 | 3365 | ret = NFS_ATTR_FATTR_FSID; |
1da177e4 | 3366 | } |
3110ff80 | 3367 | dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __func__, |
1da177e4 LT |
3368 | (unsigned long long)fsid->major, |
3369 | (unsigned long long)fsid->minor); | |
409924e4 | 3370 | return ret; |
c0eae66e BH |
3371 | out_overflow: |
3372 | print_overflow_msg(__func__, xdr); | |
3373 | return -EIO; | |
1da177e4 LT |
3374 | } |
3375 | ||
3376 | static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3377 | { | |
8687b63a | 3378 | __be32 *p; |
1da177e4 LT |
3379 | |
3380 | *res = 60; | |
3381 | if (unlikely(bitmap[0] & (FATTR4_WORD0_LEASE_TIME - 1U))) | |
3382 | return -EIO; | |
3383 | if (likely(bitmap[0] & FATTR4_WORD0_LEASE_TIME)) { | |
c0eae66e BH |
3384 | p = xdr_inline_decode(xdr, 4); |
3385 | if (unlikely(!p)) | |
3386 | goto out_overflow; | |
cccddf4f | 3387 | *res = be32_to_cpup(p); |
1da177e4 LT |
3388 | bitmap[0] &= ~FATTR4_WORD0_LEASE_TIME; |
3389 | } | |
3110ff80 | 3390 | dprintk("%s: file size=%u\n", __func__, (unsigned int)*res); |
1da177e4 | 3391 | return 0; |
c0eae66e BH |
3392 | out_overflow: |
3393 | print_overflow_msg(__func__, xdr); | |
3394 | return -EIO; | |
1da177e4 LT |
3395 | } |
3396 | ||
ee7b75fc | 3397 | static int decode_attr_error(struct xdr_stream *xdr, uint32_t *bitmap, int32_t *res) |
ae42c70a BS |
3398 | { |
3399 | __be32 *p; | |
3400 | ||
3401 | if (unlikely(bitmap[0] & (FATTR4_WORD0_RDATTR_ERROR - 1U))) | |
3402 | return -EIO; | |
3403 | if (likely(bitmap[0] & FATTR4_WORD0_RDATTR_ERROR)) { | |
3404 | p = xdr_inline_decode(xdr, 4); | |
3405 | if (unlikely(!p)) | |
3406 | goto out_overflow; | |
3407 | bitmap[0] &= ~FATTR4_WORD0_RDATTR_ERROR; | |
ee7b75fc | 3408 | *res = -be32_to_cpup(p); |
ae42c70a BS |
3409 | } |
3410 | return 0; | |
3411 | out_overflow: | |
3412 | print_overflow_msg(__func__, xdr); | |
3413 | return -EIO; | |
3414 | } | |
3415 | ||
3416 | static int decode_attr_filehandle(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fh *fh) | |
3417 | { | |
3418 | __be32 *p; | |
3419 | int len; | |
3420 | ||
7ad07353 TM |
3421 | if (fh != NULL) |
3422 | memset(fh, 0, sizeof(*fh)); | |
ae42c70a BS |
3423 | |
3424 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEHANDLE - 1U))) | |
3425 | return -EIO; | |
3426 | if (likely(bitmap[0] & FATTR4_WORD0_FILEHANDLE)) { | |
3427 | p = xdr_inline_decode(xdr, 4); | |
3428 | if (unlikely(!p)) | |
3429 | goto out_overflow; | |
3430 | len = be32_to_cpup(p); | |
3431 | if (len > NFS4_FHSIZE) | |
3432 | return -EIO; | |
ae42c70a BS |
3433 | p = xdr_inline_decode(xdr, len); |
3434 | if (unlikely(!p)) | |
3435 | goto out_overflow; | |
7ad07353 TM |
3436 | if (fh != NULL) { |
3437 | memcpy(fh->data, p, len); | |
3438 | fh->size = len; | |
3439 | } | |
ae42c70a BS |
3440 | bitmap[0] &= ~FATTR4_WORD0_FILEHANDLE; |
3441 | } | |
3442 | return 0; | |
3443 | out_overflow: | |
3444 | print_overflow_msg(__func__, xdr); | |
3445 | return -EIO; | |
3446 | } | |
3447 | ||
1da177e4 LT |
3448 | static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) |
3449 | { | |
8687b63a | 3450 | __be32 *p; |
1da177e4 | 3451 | |
a1800aca | 3452 | *res = 0; |
1da177e4 LT |
3453 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACLSUPPORT - 1U))) |
3454 | return -EIO; | |
3455 | if (likely(bitmap[0] & FATTR4_WORD0_ACLSUPPORT)) { | |
c0eae66e BH |
3456 | p = xdr_inline_decode(xdr, 4); |
3457 | if (unlikely(!p)) | |
3458 | goto out_overflow; | |
cccddf4f | 3459 | *res = be32_to_cpup(p); |
1da177e4 LT |
3460 | bitmap[0] &= ~FATTR4_WORD0_ACLSUPPORT; |
3461 | } | |
3110ff80 | 3462 | dprintk("%s: ACLs supported=%u\n", __func__, (unsigned int)*res); |
1da177e4 | 3463 | return 0; |
c0eae66e BH |
3464 | out_overflow: |
3465 | print_overflow_msg(__func__, xdr); | |
3466 | return -EIO; | |
1da177e4 LT |
3467 | } |
3468 | ||
3469 | static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) | |
3470 | { | |
8687b63a | 3471 | __be32 *p; |
409924e4 | 3472 | int ret = 0; |
1da177e4 LT |
3473 | |
3474 | *fileid = 0; | |
3475 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEID - 1U))) | |
3476 | return -EIO; | |
3477 | if (likely(bitmap[0] & FATTR4_WORD0_FILEID)) { | |
c0eae66e BH |
3478 | p = xdr_inline_decode(xdr, 8); |
3479 | if (unlikely(!p)) | |
3480 | goto out_overflow; | |
cccddf4f | 3481 | xdr_decode_hyper(p, fileid); |
1da177e4 | 3482 | bitmap[0] &= ~FATTR4_WORD0_FILEID; |
409924e4 | 3483 | ret = NFS_ATTR_FATTR_FILEID; |
1da177e4 | 3484 | } |
3110ff80 | 3485 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
409924e4 | 3486 | return ret; |
c0eae66e BH |
3487 | out_overflow: |
3488 | print_overflow_msg(__func__, xdr); | |
3489 | return -EIO; | |
1da177e4 LT |
3490 | } |
3491 | ||
99baf625 MN |
3492 | static int decode_attr_mounted_on_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid) |
3493 | { | |
8687b63a | 3494 | __be32 *p; |
409924e4 | 3495 | int ret = 0; |
99baf625 MN |
3496 | |
3497 | *fileid = 0; | |
3498 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MOUNTED_ON_FILEID - 1U))) | |
3499 | return -EIO; | |
3500 | if (likely(bitmap[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) { | |
c0eae66e BH |
3501 | p = xdr_inline_decode(xdr, 8); |
3502 | if (unlikely(!p)) | |
3503 | goto out_overflow; | |
cccddf4f | 3504 | xdr_decode_hyper(p, fileid); |
99baf625 | 3505 | bitmap[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID; |
28331a46 | 3506 | ret = NFS_ATTR_FATTR_MOUNTED_ON_FILEID; |
99baf625 | 3507 | } |
3110ff80 | 3508 | dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid); |
409924e4 | 3509 | return ret; |
c0eae66e BH |
3510 | out_overflow: |
3511 | print_overflow_msg(__func__, xdr); | |
3512 | return -EIO; | |
99baf625 MN |
3513 | } |
3514 | ||
1da177e4 LT |
3515 | static int decode_attr_files_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
3516 | { | |
8687b63a | 3517 | __be32 *p; |
1da177e4 LT |
3518 | int status = 0; |
3519 | ||
3520 | *res = 0; | |
3521 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_AVAIL - 1U))) | |
3522 | return -EIO; | |
3523 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_AVAIL)) { | |
c0eae66e BH |
3524 | p = xdr_inline_decode(xdr, 8); |
3525 | if (unlikely(!p)) | |
3526 | goto out_overflow; | |
cccddf4f | 3527 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3528 | bitmap[0] &= ~FATTR4_WORD0_FILES_AVAIL; |
3529 | } | |
3110ff80 | 3530 | dprintk("%s: files avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3531 | return status; |
c0eae66e BH |
3532 | out_overflow: |
3533 | print_overflow_msg(__func__, xdr); | |
3534 | return -EIO; | |
1da177e4 LT |
3535 | } |
3536 | ||
3537 | static int decode_attr_files_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3538 | { | |
8687b63a | 3539 | __be32 *p; |
1da177e4 LT |
3540 | int status = 0; |
3541 | ||
3542 | *res = 0; | |
3543 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_FREE - 1U))) | |
3544 | return -EIO; | |
3545 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_FREE)) { | |
c0eae66e BH |
3546 | p = xdr_inline_decode(xdr, 8); |
3547 | if (unlikely(!p)) | |
3548 | goto out_overflow; | |
cccddf4f | 3549 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3550 | bitmap[0] &= ~FATTR4_WORD0_FILES_FREE; |
3551 | } | |
3110ff80 | 3552 | dprintk("%s: files free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3553 | return status; |
c0eae66e BH |
3554 | out_overflow: |
3555 | print_overflow_msg(__func__, xdr); | |
3556 | return -EIO; | |
1da177e4 LT |
3557 | } |
3558 | ||
3559 | static int decode_attr_files_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3560 | { | |
8687b63a | 3561 | __be32 *p; |
1da177e4 LT |
3562 | int status = 0; |
3563 | ||
3564 | *res = 0; | |
3565 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_TOTAL - 1U))) | |
3566 | return -EIO; | |
3567 | if (likely(bitmap[0] & FATTR4_WORD0_FILES_TOTAL)) { | |
c0eae66e BH |
3568 | p = xdr_inline_decode(xdr, 8); |
3569 | if (unlikely(!p)) | |
3570 | goto out_overflow; | |
cccddf4f | 3571 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3572 | bitmap[0] &= ~FATTR4_WORD0_FILES_TOTAL; |
3573 | } | |
3110ff80 | 3574 | dprintk("%s: files total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3575 | return status; |
c0eae66e BH |
3576 | out_overflow: |
3577 | print_overflow_msg(__func__, xdr); | |
3578 | return -EIO; | |
1da177e4 LT |
3579 | } |
3580 | ||
7aaa0b3b MN |
3581 | static int decode_pathname(struct xdr_stream *xdr, struct nfs4_pathname *path) |
3582 | { | |
464ad6b1 | 3583 | u32 n; |
8687b63a | 3584 | __be32 *p; |
7aaa0b3b MN |
3585 | int status = 0; |
3586 | ||
c0eae66e BH |
3587 | p = xdr_inline_decode(xdr, 4); |
3588 | if (unlikely(!p)) | |
3589 | goto out_overflow; | |
cccddf4f | 3590 | n = be32_to_cpup(p); |
33a43f28 AA |
3591 | if (n == 0) |
3592 | goto root_path; | |
02a2976c | 3593 | dprintk("pathname4: "); |
809b426c TM |
3594 | if (n > NFS4_PATHNAME_MAXCOMPONENTS) { |
3595 | dprintk("cannot parse %d components in path\n", n); | |
3596 | goto out_eio; | |
3597 | } | |
3598 | for (path->ncomponents = 0; path->ncomponents < n; path->ncomponents++) { | |
7aaa0b3b MN |
3599 | struct nfs4_string *component = &path->components[path->ncomponents]; |
3600 | status = decode_opaque_inline(xdr, &component->len, &component->data); | |
3601 | if (unlikely(status != 0)) | |
3602 | goto out_eio; | |
95a13f7b | 3603 | ifdebug (XDR) |
02a2976c CL |
3604 | pr_cont("%s%.*s ", |
3605 | (path->ncomponents != n ? "/ " : ""), | |
3606 | component->len, component->data); | |
7aaa0b3b MN |
3607 | } |
3608 | out: | |
7aaa0b3b | 3609 | return status; |
33a43f28 AA |
3610 | root_path: |
3611 | /* a root pathname is sent as a zero component4 */ | |
3612 | path->ncomponents = 1; | |
3613 | path->components[0].len=0; | |
3614 | path->components[0].data=NULL; | |
02a2976c | 3615 | dprintk("pathname4: /\n"); |
33a43f28 | 3616 | goto out; |
7aaa0b3b MN |
3617 | out_eio: |
3618 | dprintk(" status %d", status); | |
3619 | status = -EIO; | |
3620 | goto out; | |
c0eae66e BH |
3621 | out_overflow: |
3622 | print_overflow_msg(__func__, xdr); | |
3623 | return -EIO; | |
7aaa0b3b MN |
3624 | } |
3625 | ||
3626 | static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_fs_locations *res) | |
683b57b4 TM |
3627 | { |
3628 | int n; | |
8687b63a | 3629 | __be32 *p; |
683b57b4 TM |
3630 | int status = -EIO; |
3631 | ||
3632 | if (unlikely(bitmap[0] & (FATTR4_WORD0_FS_LOCATIONS -1U))) | |
3633 | goto out; | |
3634 | status = 0; | |
3635 | if (unlikely(!(bitmap[0] & FATTR4_WORD0_FS_LOCATIONS))) | |
3636 | goto out; | |
8b7e3f49 TM |
3637 | status = -EIO; |
3638 | /* Ignore borken servers that return unrequested attrs */ | |
3639 | if (unlikely(res == NULL)) | |
3640 | goto out; | |
02a2976c | 3641 | dprintk("%s: fsroot:\n", __func__); |
7aaa0b3b | 3642 | status = decode_pathname(xdr, &res->fs_path); |
683b57b4 TM |
3643 | if (unlikely(status != 0)) |
3644 | goto out; | |
c0eae66e BH |
3645 | p = xdr_inline_decode(xdr, 4); |
3646 | if (unlikely(!p)) | |
3647 | goto out_overflow; | |
cccddf4f | 3648 | n = be32_to_cpup(p); |
683b57b4 TM |
3649 | if (n <= 0) |
3650 | goto out_eio; | |
809b426c | 3651 | for (res->nlocations = 0; res->nlocations < n; res->nlocations++) { |
464ad6b1 | 3652 | u32 m; |
809b426c | 3653 | struct nfs4_fs_location *loc; |
683b57b4 | 3654 | |
809b426c TM |
3655 | if (res->nlocations == NFS4_FS_LOCATIONS_MAXENTRIES) |
3656 | break; | |
3657 | loc = &res->locations[res->nlocations]; | |
c0eae66e BH |
3658 | p = xdr_inline_decode(xdr, 4); |
3659 | if (unlikely(!p)) | |
3660 | goto out_overflow; | |
cccddf4f | 3661 | m = be32_to_cpup(p); |
7aaa0b3b | 3662 | |
02a2976c | 3663 | dprintk("%s: servers:\n", __func__); |
809b426c TM |
3664 | for (loc->nservers = 0; loc->nservers < m; loc->nservers++) { |
3665 | struct nfs4_string *server; | |
3666 | ||
3667 | if (loc->nservers == NFS4_FS_LOCATION_MAXSERVERS) { | |
464ad6b1 CL |
3668 | unsigned int i; |
3669 | dprintk("%s: using first %u of %u servers " | |
3670 | "returned for location %u\n", | |
3110ff80 | 3671 | __func__, |
464ad6b1 CL |
3672 | NFS4_FS_LOCATION_MAXSERVERS, |
3673 | m, res->nlocations); | |
7aaa0b3b | 3674 | for (i = loc->nservers; i < m; i++) { |
2e42c3e2 | 3675 | unsigned int len; |
7aaa0b3b MN |
3676 | char *data; |
3677 | status = decode_opaque_inline(xdr, &len, &data); | |
3678 | if (unlikely(status != 0)) | |
3679 | goto out_eio; | |
3680 | } | |
809b426c | 3681 | break; |
7aaa0b3b | 3682 | } |
809b426c TM |
3683 | server = &loc->servers[loc->nservers]; |
3684 | status = decode_opaque_inline(xdr, &server->len, &server->data); | |
3685 | if (unlikely(status != 0)) | |
3686 | goto out_eio; | |
3687 | dprintk("%s ", server->data); | |
7aaa0b3b MN |
3688 | } |
3689 | status = decode_pathname(xdr, &loc->rootpath); | |
683b57b4 TM |
3690 | if (unlikely(status != 0)) |
3691 | goto out_eio; | |
683b57b4 | 3692 | } |
409924e4 | 3693 | if (res->nlocations != 0) |
81934ddb | 3694 | status = NFS_ATTR_FATTR_V4_LOCATIONS; |
683b57b4 | 3695 | out: |
3110ff80 | 3696 | dprintk("%s: fs_locations done, error = %d\n", __func__, status); |
683b57b4 | 3697 | return status; |
c0eae66e BH |
3698 | out_overflow: |
3699 | print_overflow_msg(__func__, xdr); | |
683b57b4 TM |
3700 | out_eio: |
3701 | status = -EIO; | |
3702 | goto out; | |
3703 | } | |
3704 | ||
1da177e4 LT |
3705 | static int decode_attr_maxfilesize(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) |
3706 | { | |
8687b63a | 3707 | __be32 *p; |
1da177e4 LT |
3708 | int status = 0; |
3709 | ||
3710 | *res = 0; | |
3711 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXFILESIZE - 1U))) | |
3712 | return -EIO; | |
3713 | if (likely(bitmap[0] & FATTR4_WORD0_MAXFILESIZE)) { | |
c0eae66e BH |
3714 | p = xdr_inline_decode(xdr, 8); |
3715 | if (unlikely(!p)) | |
3716 | goto out_overflow; | |
cccddf4f | 3717 | xdr_decode_hyper(p, res); |
1da177e4 LT |
3718 | bitmap[0] &= ~FATTR4_WORD0_MAXFILESIZE; |
3719 | } | |
3110ff80 | 3720 | dprintk("%s: maxfilesize=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 3721 | return status; |
c0eae66e BH |
3722 | out_overflow: |
3723 | print_overflow_msg(__func__, xdr); | |
3724 | return -EIO; | |
1da177e4 LT |
3725 | } |
3726 | ||
3727 | static int decode_attr_maxlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxlink) | |
3728 | { | |
8687b63a | 3729 | __be32 *p; |
1da177e4 LT |
3730 | int status = 0; |
3731 | ||
3732 | *maxlink = 1; | |
3733 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXLINK - 1U))) | |
3734 | return -EIO; | |
3735 | if (likely(bitmap[0] & FATTR4_WORD0_MAXLINK)) { | |
c0eae66e BH |
3736 | p = xdr_inline_decode(xdr, 4); |
3737 | if (unlikely(!p)) | |
3738 | goto out_overflow; | |
cccddf4f | 3739 | *maxlink = be32_to_cpup(p); |
1da177e4 LT |
3740 | bitmap[0] &= ~FATTR4_WORD0_MAXLINK; |
3741 | } | |
3110ff80 | 3742 | dprintk("%s: maxlink=%u\n", __func__, *maxlink); |
1da177e4 | 3743 | return status; |
c0eae66e BH |
3744 | out_overflow: |
3745 | print_overflow_msg(__func__, xdr); | |
3746 | return -EIO; | |
1da177e4 LT |
3747 | } |
3748 | ||
3749 | static int decode_attr_maxname(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxname) | |
3750 | { | |
8687b63a | 3751 | __be32 *p; |
1da177e4 LT |
3752 | int status = 0; |
3753 | ||
3754 | *maxname = 1024; | |
3755 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXNAME - 1U))) | |
3756 | return -EIO; | |
3757 | if (likely(bitmap[0] & FATTR4_WORD0_MAXNAME)) { | |
c0eae66e BH |
3758 | p = xdr_inline_decode(xdr, 4); |
3759 | if (unlikely(!p)) | |
3760 | goto out_overflow; | |
cccddf4f | 3761 | *maxname = be32_to_cpup(p); |
1da177e4 LT |
3762 | bitmap[0] &= ~FATTR4_WORD0_MAXNAME; |
3763 | } | |
3110ff80 | 3764 | dprintk("%s: maxname=%u\n", __func__, *maxname); |
1da177e4 | 3765 | return status; |
c0eae66e BH |
3766 | out_overflow: |
3767 | print_overflow_msg(__func__, xdr); | |
3768 | return -EIO; | |
1da177e4 LT |
3769 | } |
3770 | ||
3771 | static int decode_attr_maxread(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3772 | { | |
8687b63a | 3773 | __be32 *p; |
1da177e4 LT |
3774 | int status = 0; |
3775 | ||
3776 | *res = 1024; | |
3777 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXREAD - 1U))) | |
3778 | return -EIO; | |
3779 | if (likely(bitmap[0] & FATTR4_WORD0_MAXREAD)) { | |
3780 | uint64_t maxread; | |
c0eae66e BH |
3781 | p = xdr_inline_decode(xdr, 8); |
3782 | if (unlikely(!p)) | |
3783 | goto out_overflow; | |
cccddf4f | 3784 | xdr_decode_hyper(p, &maxread); |
1da177e4 LT |
3785 | if (maxread > 0x7FFFFFFF) |
3786 | maxread = 0x7FFFFFFF; | |
3787 | *res = (uint32_t)maxread; | |
3788 | bitmap[0] &= ~FATTR4_WORD0_MAXREAD; | |
3789 | } | |
3110ff80 | 3790 | dprintk("%s: maxread=%lu\n", __func__, (unsigned long)*res); |
1da177e4 | 3791 | return status; |
c0eae66e BH |
3792 | out_overflow: |
3793 | print_overflow_msg(__func__, xdr); | |
3794 | return -EIO; | |
1da177e4 LT |
3795 | } |
3796 | ||
3797 | static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res) | |
3798 | { | |
8687b63a | 3799 | __be32 *p; |
1da177e4 LT |
3800 | int status = 0; |
3801 | ||
3802 | *res = 1024; | |
3803 | if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXWRITE - 1U))) | |
3804 | return -EIO; | |
3805 | if (likely(bitmap[0] & FATTR4_WORD0_MAXWRITE)) { | |
3806 | uint64_t maxwrite; | |
c0eae66e BH |
3807 | p = xdr_inline_decode(xdr, 8); |
3808 | if (unlikely(!p)) | |
3809 | goto out_overflow; | |
cccddf4f | 3810 | xdr_decode_hyper(p, &maxwrite); |
1da177e4 LT |
3811 | if (maxwrite > 0x7FFFFFFF) |
3812 | maxwrite = 0x7FFFFFFF; | |
3813 | *res = (uint32_t)maxwrite; | |
3814 | bitmap[0] &= ~FATTR4_WORD0_MAXWRITE; | |
3815 | } | |
3110ff80 | 3816 | dprintk("%s: maxwrite=%lu\n", __func__, (unsigned long)*res); |
1da177e4 | 3817 | return status; |
c0eae66e BH |
3818 | out_overflow: |
3819 | print_overflow_msg(__func__, xdr); | |
3820 | return -EIO; | |
1da177e4 LT |
3821 | } |
3822 | ||
bca79478 | 3823 | static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, umode_t *mode) |
1da177e4 | 3824 | { |
bca79478 | 3825 | uint32_t tmp; |
8687b63a | 3826 | __be32 *p; |
409924e4 | 3827 | int ret = 0; |
1da177e4 LT |
3828 | |
3829 | *mode = 0; | |
3830 | if (unlikely(bitmap[1] & (FATTR4_WORD1_MODE - 1U))) | |
3831 | return -EIO; | |
3832 | if (likely(bitmap[1] & FATTR4_WORD1_MODE)) { | |
c0eae66e BH |
3833 | p = xdr_inline_decode(xdr, 4); |
3834 | if (unlikely(!p)) | |
3835 | goto out_overflow; | |
cccddf4f | 3836 | tmp = be32_to_cpup(p); |
bca79478 | 3837 | *mode = tmp & ~S_IFMT; |
1da177e4 | 3838 | bitmap[1] &= ~FATTR4_WORD1_MODE; |
409924e4 | 3839 | ret = NFS_ATTR_FATTR_MODE; |
1da177e4 | 3840 | } |
3110ff80 | 3841 | dprintk("%s: file mode=0%o\n", __func__, (unsigned int)*mode); |
409924e4 | 3842 | return ret; |
c0eae66e BH |
3843 | out_overflow: |
3844 | print_overflow_msg(__func__, xdr); | |
3845 | return -EIO; | |
1da177e4 LT |
3846 | } |
3847 | ||
3848 | static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *nlink) | |
3849 | { | |
8687b63a | 3850 | __be32 *p; |
409924e4 | 3851 | int ret = 0; |
1da177e4 LT |
3852 | |
3853 | *nlink = 1; | |
3854 | if (unlikely(bitmap[1] & (FATTR4_WORD1_NUMLINKS - 1U))) | |
3855 | return -EIO; | |
3856 | if (likely(bitmap[1] & FATTR4_WORD1_NUMLINKS)) { | |
c0eae66e BH |
3857 | p = xdr_inline_decode(xdr, 4); |
3858 | if (unlikely(!p)) | |
3859 | goto out_overflow; | |
cccddf4f | 3860 | *nlink = be32_to_cpup(p); |
1da177e4 | 3861 | bitmap[1] &= ~FATTR4_WORD1_NUMLINKS; |
409924e4 | 3862 | ret = NFS_ATTR_FATTR_NLINK; |
1da177e4 | 3863 | } |
3110ff80 | 3864 | dprintk("%s: nlink=%u\n", __func__, (unsigned int)*nlink); |
409924e4 | 3865 | return ret; |
c0eae66e BH |
3866 | out_overflow: |
3867 | print_overflow_msg(__func__, xdr); | |
3868 | return -EIO; | |
1da177e4 LT |
3869 | } |
3870 | ||
80e52ace | 3871 | static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, |
e5782076 | 3872 | const struct nfs_server *server, kuid_t *uid, |
6926afd1 | 3873 | struct nfs4_string *owner_name) |
1da177e4 | 3874 | { |
8687b63a AV |
3875 | uint32_t len; |
3876 | __be32 *p; | |
409924e4 | 3877 | int ret = 0; |
1da177e4 | 3878 | |
e5782076 | 3879 | *uid = make_kuid(&init_user_ns, -2); |
1da177e4 LT |
3880 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER - 1U))) |
3881 | return -EIO; | |
3882 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER)) { | |
c0eae66e BH |
3883 | p = xdr_inline_decode(xdr, 4); |
3884 | if (unlikely(!p)) | |
3885 | goto out_overflow; | |
cccddf4f | 3886 | len = be32_to_cpup(p); |
c0eae66e BH |
3887 | p = xdr_inline_decode(xdr, len); |
3888 | if (unlikely(!p)) | |
3889 | goto out_overflow; | |
6926afd1 TM |
3890 | if (owner_name != NULL) { |
3891 | owner_name->data = kmemdup(p, len, GFP_NOWAIT); | |
3892 | if (owner_name->data != NULL) { | |
3893 | owner_name->len = len; | |
3894 | ret = NFS_ATTR_FATTR_OWNER_NAME; | |
3895 | } | |
80e52ace | 3896 | } else if (len < XDR_MAX_NETOBJ) { |
e4fd72a1 | 3897 | if (nfs_map_name_to_uid(server, (char *)p, len, uid) == 0) |
409924e4 TM |
3898 | ret = NFS_ATTR_FATTR_OWNER; |
3899 | else | |
1da177e4 | 3900 | dprintk("%s: nfs_map_name_to_uid failed!\n", |
3110ff80 | 3901 | __func__); |
1da177e4 | 3902 | } else |
fe82a183 | 3903 | dprintk("%s: name too long (%u)!\n", |
3110ff80 | 3904 | __func__, len); |
1da177e4 LT |
3905 | bitmap[1] &= ~FATTR4_WORD1_OWNER; |
3906 | } | |
e5782076 | 3907 | dprintk("%s: uid=%d\n", __func__, (int)from_kuid(&init_user_ns, *uid)); |
409924e4 | 3908 | return ret; |
c0eae66e BH |
3909 | out_overflow: |
3910 | print_overflow_msg(__func__, xdr); | |
3911 | return -EIO; | |
1da177e4 LT |
3912 | } |
3913 | ||
80e52ace | 3914 | static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, |
e5782076 | 3915 | const struct nfs_server *server, kgid_t *gid, |
6926afd1 | 3916 | struct nfs4_string *group_name) |
1da177e4 | 3917 | { |
8687b63a AV |
3918 | uint32_t len; |
3919 | __be32 *p; | |
409924e4 | 3920 | int ret = 0; |
1da177e4 | 3921 | |
e5782076 | 3922 | *gid = make_kgid(&init_user_ns, -2); |
1da177e4 LT |
3923 | if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER_GROUP - 1U))) |
3924 | return -EIO; | |
3925 | if (likely(bitmap[1] & FATTR4_WORD1_OWNER_GROUP)) { | |
c0eae66e BH |
3926 | p = xdr_inline_decode(xdr, 4); |
3927 | if (unlikely(!p)) | |
3928 | goto out_overflow; | |
cccddf4f | 3929 | len = be32_to_cpup(p); |
c0eae66e BH |
3930 | p = xdr_inline_decode(xdr, len); |
3931 | if (unlikely(!p)) | |
3932 | goto out_overflow; | |
6926afd1 TM |
3933 | if (group_name != NULL) { |
3934 | group_name->data = kmemdup(p, len, GFP_NOWAIT); | |
3935 | if (group_name->data != NULL) { | |
3936 | group_name->len = len; | |
3937 | ret = NFS_ATTR_FATTR_GROUP_NAME; | |
3938 | } | |
80e52ace | 3939 | } else if (len < XDR_MAX_NETOBJ) { |
e4fd72a1 | 3940 | if (nfs_map_group_to_gid(server, (char *)p, len, gid) == 0) |
409924e4 TM |
3941 | ret = NFS_ATTR_FATTR_GROUP; |
3942 | else | |
1da177e4 | 3943 | dprintk("%s: nfs_map_group_to_gid failed!\n", |
3110ff80 | 3944 | __func__); |
1da177e4 | 3945 | } else |
fe82a183 | 3946 | dprintk("%s: name too long (%u)!\n", |
3110ff80 | 3947 | __func__, len); |
1da177e4 LT |
3948 | bitmap[1] &= ~FATTR4_WORD1_OWNER_GROUP; |
3949 | } | |
e5782076 | 3950 | dprintk("%s: gid=%d\n", __func__, (int)from_kgid(&init_user_ns, *gid)); |
409924e4 | 3951 | return ret; |
c0eae66e BH |
3952 | out_overflow: |
3953 | print_overflow_msg(__func__, xdr); | |
3954 | return -EIO; | |
1da177e4 LT |
3955 | } |
3956 | ||
3957 | static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rdev) | |
3958 | { | |
8687b63a AV |
3959 | uint32_t major = 0, minor = 0; |
3960 | __be32 *p; | |
409924e4 | 3961 | int ret = 0; |
1da177e4 LT |
3962 | |
3963 | *rdev = MKDEV(0,0); | |
3964 | if (unlikely(bitmap[1] & (FATTR4_WORD1_RAWDEV - 1U))) | |
3965 | return -EIO; | |
3966 | if (likely(bitmap[1] & FATTR4_WORD1_RAWDEV)) { | |
3967 | dev_t tmp; | |
3968 | ||
c0eae66e BH |
3969 | p = xdr_inline_decode(xdr, 8); |
3970 | if (unlikely(!p)) | |
3971 | goto out_overflow; | |
6f723f77 | 3972 | major = be32_to_cpup(p++); |
cccddf4f | 3973 | minor = be32_to_cpup(p); |
1da177e4 LT |
3974 | tmp = MKDEV(major, minor); |
3975 | if (MAJOR(tmp) == major && MINOR(tmp) == minor) | |
3976 | *rdev = tmp; | |
3977 | bitmap[1] &= ~ FATTR4_WORD1_RAWDEV; | |
409924e4 | 3978 | ret = NFS_ATTR_FATTR_RDEV; |
1da177e4 | 3979 | } |
3110ff80 | 3980 | dprintk("%s: rdev=(0x%x:0x%x)\n", __func__, major, minor); |
409924e4 | 3981 | return ret; |
c0eae66e BH |
3982 | out_overflow: |
3983 | print_overflow_msg(__func__, xdr); | |
3984 | return -EIO; | |
1da177e4 LT |
3985 | } |
3986 | ||
3987 | static int decode_attr_space_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
3988 | { | |
8687b63a | 3989 | __be32 *p; |
1da177e4 LT |
3990 | int status = 0; |
3991 | ||
3992 | *res = 0; | |
3993 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_AVAIL - 1U))) | |
3994 | return -EIO; | |
3995 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_AVAIL)) { | |
c0eae66e BH |
3996 | p = xdr_inline_decode(xdr, 8); |
3997 | if (unlikely(!p)) | |
3998 | goto out_overflow; | |
cccddf4f | 3999 | xdr_decode_hyper(p, res); |
1da177e4 LT |
4000 | bitmap[1] &= ~FATTR4_WORD1_SPACE_AVAIL; |
4001 | } | |
3110ff80 | 4002 | dprintk("%s: space avail=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 4003 | return status; |
c0eae66e BH |
4004 | out_overflow: |
4005 | print_overflow_msg(__func__, xdr); | |
4006 | return -EIO; | |
1da177e4 LT |
4007 | } |
4008 | ||
4009 | static int decode_attr_space_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
4010 | { | |
8687b63a | 4011 | __be32 *p; |
1da177e4 LT |
4012 | int status = 0; |
4013 | ||
4014 | *res = 0; | |
4015 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_FREE - 1U))) | |
4016 | return -EIO; | |
4017 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_FREE)) { | |
c0eae66e BH |
4018 | p = xdr_inline_decode(xdr, 8); |
4019 | if (unlikely(!p)) | |
4020 | goto out_overflow; | |
cccddf4f | 4021 | xdr_decode_hyper(p, res); |
1da177e4 LT |
4022 | bitmap[1] &= ~FATTR4_WORD1_SPACE_FREE; |
4023 | } | |
3110ff80 | 4024 | dprintk("%s: space free=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 4025 | return status; |
c0eae66e BH |
4026 | out_overflow: |
4027 | print_overflow_msg(__func__, xdr); | |
4028 | return -EIO; | |
1da177e4 LT |
4029 | } |
4030 | ||
4031 | static int decode_attr_space_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res) | |
4032 | { | |
8687b63a | 4033 | __be32 *p; |
1da177e4 LT |
4034 | int status = 0; |
4035 | ||
4036 | *res = 0; | |
4037 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_TOTAL - 1U))) | |
4038 | return -EIO; | |
4039 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_TOTAL)) { | |
c0eae66e BH |
4040 | p = xdr_inline_decode(xdr, 8); |
4041 | if (unlikely(!p)) | |
4042 | goto out_overflow; | |
cccddf4f | 4043 | xdr_decode_hyper(p, res); |
1da177e4 LT |
4044 | bitmap[1] &= ~FATTR4_WORD1_SPACE_TOTAL; |
4045 | } | |
3110ff80 | 4046 | dprintk("%s: space total=%Lu\n", __func__, (unsigned long long)*res); |
1da177e4 | 4047 | return status; |
c0eae66e BH |
4048 | out_overflow: |
4049 | print_overflow_msg(__func__, xdr); | |
4050 | return -EIO; | |
1da177e4 LT |
4051 | } |
4052 | ||
4053 | static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *used) | |
4054 | { | |
8687b63a | 4055 | __be32 *p; |
409924e4 | 4056 | int ret = 0; |
1da177e4 LT |
4057 | |
4058 | *used = 0; | |
4059 | if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_USED - 1U))) | |
4060 | return -EIO; | |
4061 | if (likely(bitmap[1] & FATTR4_WORD1_SPACE_USED)) { | |
c0eae66e BH |
4062 | p = xdr_inline_decode(xdr, 8); |
4063 | if (unlikely(!p)) | |
4064 | goto out_overflow; | |
cccddf4f | 4065 | xdr_decode_hyper(p, used); |
1da177e4 | 4066 | bitmap[1] &= ~FATTR4_WORD1_SPACE_USED; |
409924e4 | 4067 | ret = NFS_ATTR_FATTR_SPACE_USED; |
1da177e4 | 4068 | } |
3110ff80 | 4069 | dprintk("%s: space used=%Lu\n", __func__, |
1da177e4 | 4070 | (unsigned long long)*used); |
409924e4 | 4071 | return ret; |
c0eae66e BH |
4072 | out_overflow: |
4073 | print_overflow_msg(__func__, xdr); | |
4074 | return -EIO; | |
1da177e4 LT |
4075 | } |
4076 | ||
4077 | static int decode_attr_time(struct xdr_stream *xdr, struct timespec *time) | |
4078 | { | |
8687b63a | 4079 | __be32 *p; |
1da177e4 LT |
4080 | uint64_t sec; |
4081 | uint32_t nsec; | |
4082 | ||
c0eae66e BH |
4083 | p = xdr_inline_decode(xdr, 12); |
4084 | if (unlikely(!p)) | |
4085 | goto out_overflow; | |
3ceb4dbb | 4086 | p = xdr_decode_hyper(p, &sec); |
cccddf4f | 4087 | nsec = be32_to_cpup(p); |
1da177e4 LT |
4088 | time->tv_sec = (time_t)sec; |
4089 | time->tv_nsec = (long)nsec; | |
4090 | return 0; | |
c0eae66e BH |
4091 | out_overflow: |
4092 | print_overflow_msg(__func__, xdr); | |
4093 | return -EIO; | |
1da177e4 LT |
4094 | } |
4095 | ||
4096 | static int decode_attr_time_access(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
4097 | { | |
4098 | int status = 0; | |
4099 | ||
4100 | time->tv_sec = 0; | |
4101 | time->tv_nsec = 0; | |
4102 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_ACCESS - 1U))) | |
4103 | return -EIO; | |
4104 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_ACCESS)) { | |
4105 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4106 | if (status == 0) |
4107 | status = NFS_ATTR_FATTR_ATIME; | |
1da177e4 LT |
4108 | bitmap[1] &= ~FATTR4_WORD1_TIME_ACCESS; |
4109 | } | |
3110ff80 | 4110 | dprintk("%s: atime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
4111 | return status; |
4112 | } | |
4113 | ||
4114 | static int decode_attr_time_metadata(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) | |
4115 | { | |
4116 | int status = 0; | |
4117 | ||
4118 | time->tv_sec = 0; | |
4119 | time->tv_nsec = 0; | |
4120 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_METADATA - 1U))) | |
4121 | return -EIO; | |
4122 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_METADATA)) { | |
4123 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4124 | if (status == 0) |
4125 | status = NFS_ATTR_FATTR_CTIME; | |
1da177e4 LT |
4126 | bitmap[1] &= ~FATTR4_WORD1_TIME_METADATA; |
4127 | } | |
3110ff80 | 4128 | dprintk("%s: ctime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
4129 | return status; |
4130 | } | |
4131 | ||
55b6e774 RL |
4132 | static int decode_attr_time_delta(struct xdr_stream *xdr, uint32_t *bitmap, |
4133 | struct timespec *time) | |
4134 | { | |
4135 | int status = 0; | |
4136 | ||
4137 | time->tv_sec = 0; | |
4138 | time->tv_nsec = 0; | |
4139 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_DELTA - 1U))) | |
4140 | return -EIO; | |
4141 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_DELTA)) { | |
4142 | status = decode_attr_time(xdr, time); | |
4143 | bitmap[1] &= ~FATTR4_WORD1_TIME_DELTA; | |
4144 | } | |
4145 | dprintk("%s: time_delta=%ld %ld\n", __func__, (long)time->tv_sec, | |
4146 | (long)time->tv_nsec); | |
4147 | return status; | |
4148 | } | |
4149 | ||
aa9c2669 DQ |
4150 | static int decode_attr_security_label(struct xdr_stream *xdr, uint32_t *bitmap, |
4151 | struct nfs4_label *label) | |
4152 | { | |
4153 | uint32_t pi = 0; | |
4154 | uint32_t lfs = 0; | |
4155 | __u32 len; | |
4156 | __be32 *p; | |
4157 | int status = 0; | |
4158 | ||
4159 | if (unlikely(bitmap[2] & (FATTR4_WORD2_SECURITY_LABEL - 1U))) | |
4160 | return -EIO; | |
4161 | if (likely(bitmap[2] & FATTR4_WORD2_SECURITY_LABEL)) { | |
4162 | p = xdr_inline_decode(xdr, 4); | |
4163 | if (unlikely(!p)) | |
4164 | goto out_overflow; | |
4165 | lfs = be32_to_cpup(p++); | |
4166 | p = xdr_inline_decode(xdr, 4); | |
4167 | if (unlikely(!p)) | |
4168 | goto out_overflow; | |
4169 | pi = be32_to_cpup(p++); | |
4170 | p = xdr_inline_decode(xdr, 4); | |
4171 | if (unlikely(!p)) | |
4172 | goto out_overflow; | |
4173 | len = be32_to_cpup(p++); | |
4174 | p = xdr_inline_decode(xdr, len); | |
4175 | if (unlikely(!p)) | |
4176 | goto out_overflow; | |
4177 | if (len < NFS4_MAXLABELLEN) { | |
4178 | if (label) { | |
4179 | memcpy(label->label, p, len); | |
4180 | label->len = len; | |
4181 | label->pi = pi; | |
4182 | label->lfs = lfs; | |
4183 | status = NFS_ATTR_FATTR_V4_SECURITY_LABEL; | |
4184 | } | |
4185 | bitmap[2] &= ~FATTR4_WORD2_SECURITY_LABEL; | |
4186 | } else | |
4187 | printk(KERN_WARNING "%s: label too long (%u)!\n", | |
4188 | __func__, len); | |
4189 | } | |
4190 | if (label && label->label) | |
4191 | dprintk("%s: label=%s, len=%d, PI=%d, LFS=%d\n", __func__, | |
4192 | (char *)label->label, label->len, label->pi, label->lfs); | |
4193 | return status; | |
4194 | ||
4195 | out_overflow: | |
4196 | print_overflow_msg(__func__, xdr); | |
4197 | return -EIO; | |
4198 | } | |
4199 | ||
1da177e4 LT |
4200 | static int decode_attr_time_modify(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time) |
4201 | { | |
4202 | int status = 0; | |
4203 | ||
4204 | time->tv_sec = 0; | |
4205 | time->tv_nsec = 0; | |
4206 | if (unlikely(bitmap[1] & (FATTR4_WORD1_TIME_MODIFY - 1U))) | |
4207 | return -EIO; | |
4208 | if (likely(bitmap[1] & FATTR4_WORD1_TIME_MODIFY)) { | |
4209 | status = decode_attr_time(xdr, time); | |
409924e4 TM |
4210 | if (status == 0) |
4211 | status = NFS_ATTR_FATTR_MTIME; | |
1da177e4 LT |
4212 | bitmap[1] &= ~FATTR4_WORD1_TIME_MODIFY; |
4213 | } | |
3110ff80 | 4214 | dprintk("%s: mtime=%ld\n", __func__, (long)time->tv_sec); |
1da177e4 LT |
4215 | return status; |
4216 | } | |
4217 | ||
256e48bb | 4218 | static int verify_attr_len(struct xdr_stream *xdr, unsigned int savep, uint32_t attrlen) |
1da177e4 LT |
4219 | { |
4220 | unsigned int attrwords = XDR_QUADLEN(attrlen); | |
256e48bb | 4221 | unsigned int nwords = (xdr_stream_pos(xdr) - savep) >> 2; |
1da177e4 LT |
4222 | |
4223 | if (unlikely(attrwords != nwords)) { | |
fe82a183 CL |
4224 | dprintk("%s: server returned incorrect attribute length: " |
4225 | "%u %c %u\n", | |
3110ff80 | 4226 | __func__, |
1da177e4 LT |
4227 | attrwords << 2, |
4228 | (attrwords < nwords) ? '<' : '>', | |
4229 | nwords << 2); | |
4230 | return -EIO; | |
4231 | } | |
4232 | return 0; | |
4233 | } | |
4234 | ||
4235 | static int decode_change_info(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4236 | { | |
8687b63a | 4237 | __be32 *p; |
1da177e4 | 4238 | |
c0eae66e BH |
4239 | p = xdr_inline_decode(xdr, 20); |
4240 | if (unlikely(!p)) | |
4241 | goto out_overflow; | |
6f723f77 | 4242 | cinfo->atomic = be32_to_cpup(p++); |
3ceb4dbb | 4243 | p = xdr_decode_hyper(p, &cinfo->before); |
cccddf4f | 4244 | xdr_decode_hyper(p, &cinfo->after); |
1da177e4 | 4245 | return 0; |
c0eae66e BH |
4246 | out_overflow: |
4247 | print_overflow_msg(__func__, xdr); | |
4248 | return -EIO; | |
1da177e4 LT |
4249 | } |
4250 | ||
6168f62c | 4251 | static int decode_access(struct xdr_stream *xdr, u32 *supported, u32 *access) |
1da177e4 | 4252 | { |
8687b63a | 4253 | __be32 *p; |
1da177e4 LT |
4254 | uint32_t supp, acc; |
4255 | int status; | |
4256 | ||
4257 | status = decode_op_hdr(xdr, OP_ACCESS); | |
4258 | if (status) | |
4259 | return status; | |
c0eae66e BH |
4260 | p = xdr_inline_decode(xdr, 8); |
4261 | if (unlikely(!p)) | |
4262 | goto out_overflow; | |
6f723f77 | 4263 | supp = be32_to_cpup(p++); |
cccddf4f | 4264 | acc = be32_to_cpup(p); |
6168f62c WAA |
4265 | *supported = supp; |
4266 | *access = acc; | |
1da177e4 | 4267 | return 0; |
c0eae66e BH |
4268 | out_overflow: |
4269 | print_overflow_msg(__func__, xdr); | |
4270 | return -EIO; | |
1da177e4 LT |
4271 | } |
4272 | ||
07d30434 | 4273 | static int decode_opaque_fixed(struct xdr_stream *xdr, void *buf, size_t len) |
1da177e4 | 4274 | { |
8687b63a | 4275 | __be32 *p; |
07d30434 BH |
4276 | |
4277 | p = xdr_inline_decode(xdr, len); | |
4278 | if (likely(p)) { | |
4279 | memcpy(buf, p, len); | |
4280 | return 0; | |
4281 | } | |
4282 | print_overflow_msg(__func__, xdr); | |
4283 | return -EIO; | |
4284 | } | |
4285 | ||
4286 | static int decode_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid) | |
4287 | { | |
2d2f24ad | 4288 | return decode_opaque_fixed(xdr, stateid, NFS4_STATEID_SIZE); |
07d30434 BH |
4289 | } |
4290 | ||
4291 | static int decode_close(struct xdr_stream *xdr, struct nfs_closeres *res) | |
4292 | { | |
1da177e4 LT |
4293 | int status; |
4294 | ||
4295 | status = decode_op_hdr(xdr, OP_CLOSE); | |
c1d51931 TM |
4296 | if (status != -EIO) |
4297 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
4298 | if (!status) |
4299 | status = decode_stateid(xdr, &res->stateid); | |
4300 | return status; | |
1da177e4 LT |
4301 | } |
4302 | ||
db942bbd BH |
4303 | static int decode_verifier(struct xdr_stream *xdr, void *verifier) |
4304 | { | |
cd93710e | 4305 | return decode_opaque_fixed(xdr, verifier, NFS4_VERIFIER_SIZE); |
1da177e4 LT |
4306 | } |
4307 | ||
2f2c63bc TM |
4308 | static int decode_write_verifier(struct xdr_stream *xdr, struct nfs_write_verifier *verifier) |
4309 | { | |
4310 | return decode_opaque_fixed(xdr, verifier->data, NFS4_VERIFIER_SIZE); | |
4311 | } | |
4312 | ||
0b7c0153 | 4313 | static int decode_commit(struct xdr_stream *xdr, struct nfs_commitres *res) |
1da177e4 | 4314 | { |
1da177e4 LT |
4315 | int status; |
4316 | ||
4317 | status = decode_op_hdr(xdr, OP_COMMIT); | |
db942bbd | 4318 | if (!status) |
2f2c63bc | 4319 | status = decode_write_verifier(xdr, &res->verf->verifier); |
db942bbd | 4320 | return status; |
1da177e4 LT |
4321 | } |
4322 | ||
4323 | static int decode_create(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4324 | { | |
8687b63a | 4325 | __be32 *p; |
1da177e4 LT |
4326 | uint32_t bmlen; |
4327 | int status; | |
4328 | ||
4329 | status = decode_op_hdr(xdr, OP_CREATE); | |
4330 | if (status) | |
4331 | return status; | |
4332 | if ((status = decode_change_info(xdr, cinfo))) | |
4333 | return status; | |
c0eae66e BH |
4334 | p = xdr_inline_decode(xdr, 4); |
4335 | if (unlikely(!p)) | |
4336 | goto out_overflow; | |
cccddf4f | 4337 | bmlen = be32_to_cpup(p); |
c0eae66e BH |
4338 | p = xdr_inline_decode(xdr, bmlen << 2); |
4339 | if (likely(p)) | |
4340 | return 0; | |
4341 | out_overflow: | |
4342 | print_overflow_msg(__func__, xdr); | |
4343 | return -EIO; | |
1da177e4 LT |
4344 | } |
4345 | ||
4346 | static int decode_server_caps(struct xdr_stream *xdr, struct nfs4_server_caps_res *res) | |
4347 | { | |
256e48bb | 4348 | unsigned int savep; |
dae100c2 | 4349 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 LT |
4350 | int status; |
4351 | ||
4352 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
4353 | goto xdr_error; | |
4354 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4355 | goto xdr_error; | |
4356 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4357 | goto xdr_error; | |
4358 | if ((status = decode_attr_supported(xdr, bitmap, res->attr_bitmask)) != 0) | |
4359 | goto xdr_error; | |
264e6351 CL |
4360 | if ((status = decode_attr_fh_expire_type(xdr, bitmap, |
4361 | &res->fh_expire_type)) != 0) | |
4362 | goto xdr_error; | |
1da177e4 LT |
4363 | if ((status = decode_attr_link_support(xdr, bitmap, &res->has_links)) != 0) |
4364 | goto xdr_error; | |
4365 | if ((status = decode_attr_symlink_support(xdr, bitmap, &res->has_symlinks)) != 0) | |
4366 | goto xdr_error; | |
4367 | if ((status = decode_attr_aclsupport(xdr, bitmap, &res->acl_bitmask)) != 0) | |
4368 | goto xdr_error; | |
4369 | status = verify_attr_len(xdr, savep, attrlen); | |
4370 | xdr_error: | |
3110ff80 | 4371 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4372 | return status; |
4373 | } | |
6c0195a4 | 4374 | |
1da177e4 LT |
4375 | static int decode_statfs(struct xdr_stream *xdr, struct nfs_fsstat *fsstat) |
4376 | { | |
256e48bb | 4377 | unsigned int savep; |
dae100c2 | 4378 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 | 4379 | int status; |
6c0195a4 | 4380 | |
1da177e4 LT |
4381 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
4382 | goto xdr_error; | |
4383 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4384 | goto xdr_error; | |
4385 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4386 | goto xdr_error; | |
4387 | ||
4388 | if ((status = decode_attr_files_avail(xdr, bitmap, &fsstat->afiles)) != 0) | |
4389 | goto xdr_error; | |
4390 | if ((status = decode_attr_files_free(xdr, bitmap, &fsstat->ffiles)) != 0) | |
4391 | goto xdr_error; | |
4392 | if ((status = decode_attr_files_total(xdr, bitmap, &fsstat->tfiles)) != 0) | |
4393 | goto xdr_error; | |
4394 | if ((status = decode_attr_space_avail(xdr, bitmap, &fsstat->abytes)) != 0) | |
4395 | goto xdr_error; | |
4396 | if ((status = decode_attr_space_free(xdr, bitmap, &fsstat->fbytes)) != 0) | |
4397 | goto xdr_error; | |
4398 | if ((status = decode_attr_space_total(xdr, bitmap, &fsstat->tbytes)) != 0) | |
4399 | goto xdr_error; | |
4400 | ||
4401 | status = verify_attr_len(xdr, savep, attrlen); | |
4402 | xdr_error: | |
3110ff80 | 4403 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4404 | return status; |
4405 | } | |
4406 | ||
4407 | static int decode_pathconf(struct xdr_stream *xdr, struct nfs_pathconf *pathconf) | |
4408 | { | |
256e48bb | 4409 | unsigned int savep; |
dae100c2 | 4410 | uint32_t attrlen, bitmap[3] = {0}; |
1da177e4 | 4411 | int status; |
6c0195a4 | 4412 | |
1da177e4 LT |
4413 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
4414 | goto xdr_error; | |
4415 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4416 | goto xdr_error; | |
4417 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4418 | goto xdr_error; | |
4419 | ||
4420 | if ((status = decode_attr_maxlink(xdr, bitmap, &pathconf->max_link)) != 0) | |
4421 | goto xdr_error; | |
4422 | if ((status = decode_attr_maxname(xdr, bitmap, &pathconf->max_namelen)) != 0) | |
4423 | goto xdr_error; | |
4424 | ||
4425 | status = verify_attr_len(xdr, savep, attrlen); | |
4426 | xdr_error: | |
3110ff80 | 4427 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4428 | return status; |
4429 | } | |
4430 | ||
88034c3d AA |
4431 | static int decode_threshold_hint(struct xdr_stream *xdr, |
4432 | uint32_t *bitmap, | |
4433 | uint64_t *res, | |
4434 | uint32_t hint_bit) | |
4435 | { | |
4436 | __be32 *p; | |
4437 | ||
4438 | *res = 0; | |
4439 | if (likely(bitmap[0] & hint_bit)) { | |
4440 | p = xdr_inline_decode(xdr, 8); | |
4441 | if (unlikely(!p)) | |
4442 | goto out_overflow; | |
4443 | xdr_decode_hyper(p, res); | |
4444 | } | |
4445 | return 0; | |
4446 | out_overflow: | |
4447 | print_overflow_msg(__func__, xdr); | |
4448 | return -EIO; | |
4449 | } | |
4450 | ||
4451 | static int decode_first_threshold_item4(struct xdr_stream *xdr, | |
4452 | struct nfs4_threshold *res) | |
4453 | { | |
256e48bb TM |
4454 | __be32 *p; |
4455 | unsigned int savep; | |
88034c3d AA |
4456 | uint32_t bitmap[3] = {0,}, attrlen; |
4457 | int status; | |
4458 | ||
4459 | /* layout type */ | |
4460 | p = xdr_inline_decode(xdr, 4); | |
4461 | if (unlikely(!p)) { | |
4462 | print_overflow_msg(__func__, xdr); | |
4463 | return -EIO; | |
4464 | } | |
4465 | res->l_type = be32_to_cpup(p); | |
4466 | ||
4467 | /* thi_hintset bitmap */ | |
4468 | status = decode_attr_bitmap(xdr, bitmap); | |
4469 | if (status < 0) | |
4470 | goto xdr_error; | |
4471 | ||
4472 | /* thi_hintlist length */ | |
4473 | status = decode_attr_length(xdr, &attrlen, &savep); | |
4474 | if (status < 0) | |
4475 | goto xdr_error; | |
4476 | /* thi_hintlist */ | |
4477 | status = decode_threshold_hint(xdr, bitmap, &res->rd_sz, THRESHOLD_RD); | |
4478 | if (status < 0) | |
4479 | goto xdr_error; | |
4480 | status = decode_threshold_hint(xdr, bitmap, &res->wr_sz, THRESHOLD_WR); | |
4481 | if (status < 0) | |
4482 | goto xdr_error; | |
4483 | status = decode_threshold_hint(xdr, bitmap, &res->rd_io_sz, | |
4484 | THRESHOLD_RD_IO); | |
4485 | if (status < 0) | |
4486 | goto xdr_error; | |
4487 | status = decode_threshold_hint(xdr, bitmap, &res->wr_io_sz, | |
4488 | THRESHOLD_WR_IO); | |
4489 | if (status < 0) | |
4490 | goto xdr_error; | |
4491 | ||
4492 | status = verify_attr_len(xdr, savep, attrlen); | |
4493 | res->bm = bitmap[0]; | |
4494 | ||
4495 | dprintk("%s bm=0x%x rd_sz=%llu wr_sz=%llu rd_io=%llu wr_io=%llu\n", | |
4496 | __func__, res->bm, res->rd_sz, res->wr_sz, res->rd_io_sz, | |
4497 | res->wr_io_sz); | |
4498 | xdr_error: | |
4499 | dprintk("%s ret=%d!\n", __func__, status); | |
4500 | return status; | |
4501 | } | |
4502 | ||
4503 | /* | |
4504 | * Thresholds on pNFS direct I/O vrs MDS I/O | |
4505 | */ | |
4506 | static int decode_attr_mdsthreshold(struct xdr_stream *xdr, | |
4507 | uint32_t *bitmap, | |
4508 | struct nfs4_threshold *res) | |
4509 | { | |
4510 | __be32 *p; | |
4511 | int status = 0; | |
4512 | uint32_t num; | |
4513 | ||
4514 | if (unlikely(bitmap[2] & (FATTR4_WORD2_MDSTHRESHOLD - 1U))) | |
4515 | return -EIO; | |
029c5347 | 4516 | if (bitmap[2] & FATTR4_WORD2_MDSTHRESHOLD) { |
1549210f TM |
4517 | /* Did the server return an unrequested attribute? */ |
4518 | if (unlikely(res == NULL)) | |
4519 | return -EREMOTEIO; | |
88034c3d AA |
4520 | p = xdr_inline_decode(xdr, 4); |
4521 | if (unlikely(!p)) | |
4522 | goto out_overflow; | |
4523 | num = be32_to_cpup(p); | |
4524 | if (num == 0) | |
4525 | return 0; | |
4526 | if (num > 1) | |
4527 | printk(KERN_INFO "%s: Warning: Multiple pNFS layout " | |
4528 | "drivers per filesystem not supported\n", | |
4529 | __func__); | |
4530 | ||
4531 | status = decode_first_threshold_item4(xdr, res); | |
029c5347 | 4532 | bitmap[2] &= ~FATTR4_WORD2_MDSTHRESHOLD; |
88034c3d AA |
4533 | } |
4534 | return status; | |
4535 | out_overflow: | |
4536 | print_overflow_msg(__func__, xdr); | |
4537 | return -EIO; | |
4538 | } | |
4539 | ||
ae42c70a BS |
4540 | static int decode_getfattr_attrs(struct xdr_stream *xdr, uint32_t *bitmap, |
4541 | struct nfs_fattr *fattr, struct nfs_fh *fh, | |
aa9c2669 | 4542 | struct nfs4_fs_locations *fs_loc, struct nfs4_label *label, |
6926afd1 | 4543 | const struct nfs_server *server) |
1da177e4 | 4544 | { |
bca79478 TM |
4545 | int status; |
4546 | umode_t fmode = 0; | |
ae42c70a | 4547 | uint32_t type; |
ee7b75fc | 4548 | int32_t err; |
1da177e4 | 4549 | |
f26c7a78 TM |
4550 | status = decode_attr_type(xdr, bitmap, &type); |
4551 | if (status < 0) | |
1da177e4 | 4552 | goto xdr_error; |
409924e4 TM |
4553 | fattr->mode = 0; |
4554 | if (status != 0) { | |
4555 | fattr->mode |= nfs_type2fmt[type]; | |
4556 | fattr->valid |= status; | |
4557 | } | |
1da177e4 | 4558 | |
f26c7a78 TM |
4559 | status = decode_attr_change(xdr, bitmap, &fattr->change_attr); |
4560 | if (status < 0) | |
1da177e4 | 4561 | goto xdr_error; |
409924e4 | 4562 | fattr->valid |= status; |
f26c7a78 TM |
4563 | |
4564 | status = decode_attr_size(xdr, bitmap, &fattr->size); | |
4565 | if (status < 0) | |
1da177e4 | 4566 | goto xdr_error; |
409924e4 | 4567 | fattr->valid |= status; |
f26c7a78 TM |
4568 | |
4569 | status = decode_attr_fsid(xdr, bitmap, &fattr->fsid); | |
4570 | if (status < 0) | |
1da177e4 | 4571 | goto xdr_error; |
409924e4 | 4572 | fattr->valid |= status; |
f26c7a78 | 4573 | |
ee7b75fc TM |
4574 | err = 0; |
4575 | status = decode_attr_error(xdr, bitmap, &err); | |
ae42c70a BS |
4576 | if (status < 0) |
4577 | goto xdr_error; | |
4578 | ||
4579 | status = decode_attr_filehandle(xdr, bitmap, fh); | |
4580 | if (status < 0) | |
4581 | goto xdr_error; | |
4582 | ||
f26c7a78 TM |
4583 | status = decode_attr_fileid(xdr, bitmap, &fattr->fileid); |
4584 | if (status < 0) | |
1da177e4 | 4585 | goto xdr_error; |
409924e4 | 4586 | fattr->valid |= status; |
f26c7a78 | 4587 | |
8b7e3f49 | 4588 | status = decode_attr_fs_locations(xdr, bitmap, fs_loc); |
f26c7a78 | 4589 | if (status < 0) |
683b57b4 | 4590 | goto xdr_error; |
409924e4 | 4591 | fattr->valid |= status; |
f26c7a78 TM |
4592 | |
4593 | status = decode_attr_mode(xdr, bitmap, &fmode); | |
4594 | if (status < 0) | |
1da177e4 | 4595 | goto xdr_error; |
409924e4 TM |
4596 | if (status != 0) { |
4597 | fattr->mode |= fmode; | |
4598 | fattr->valid |= status; | |
4599 | } | |
f26c7a78 TM |
4600 | |
4601 | status = decode_attr_nlink(xdr, bitmap, &fattr->nlink); | |
4602 | if (status < 0) | |
1da177e4 | 4603 | goto xdr_error; |
409924e4 | 4604 | fattr->valid |= status; |
f26c7a78 | 4605 | |
6926afd1 | 4606 | status = decode_attr_owner(xdr, bitmap, server, &fattr->uid, fattr->owner_name); |
f26c7a78 | 4607 | if (status < 0) |
1da177e4 | 4608 | goto xdr_error; |
409924e4 | 4609 | fattr->valid |= status; |
f26c7a78 | 4610 | |
6926afd1 | 4611 | status = decode_attr_group(xdr, bitmap, server, &fattr->gid, fattr->group_name); |
f26c7a78 | 4612 | if (status < 0) |
1da177e4 | 4613 | goto xdr_error; |
409924e4 | 4614 | fattr->valid |= status; |
f26c7a78 TM |
4615 | |
4616 | status = decode_attr_rdev(xdr, bitmap, &fattr->rdev); | |
4617 | if (status < 0) | |
1da177e4 | 4618 | goto xdr_error; |
409924e4 | 4619 | fattr->valid |= status; |
f26c7a78 TM |
4620 | |
4621 | status = decode_attr_space_used(xdr, bitmap, &fattr->du.nfs3.used); | |
4622 | if (status < 0) | |
1da177e4 | 4623 | goto xdr_error; |
409924e4 | 4624 | fattr->valid |= status; |
f26c7a78 TM |
4625 | |
4626 | status = decode_attr_time_access(xdr, bitmap, &fattr->atime); | |
4627 | if (status < 0) | |
1da177e4 | 4628 | goto xdr_error; |
409924e4 | 4629 | fattr->valid |= status; |
f26c7a78 TM |
4630 | |
4631 | status = decode_attr_time_metadata(xdr, bitmap, &fattr->ctime); | |
4632 | if (status < 0) | |
1da177e4 | 4633 | goto xdr_error; |
409924e4 | 4634 | fattr->valid |= status; |
f26c7a78 TM |
4635 | |
4636 | status = decode_attr_time_modify(xdr, bitmap, &fattr->mtime); | |
4637 | if (status < 0) | |
1da177e4 | 4638 | goto xdr_error; |
409924e4 | 4639 | fattr->valid |= status; |
f26c7a78 | 4640 | |
28331a46 | 4641 | status = decode_attr_mounted_on_fileid(xdr, bitmap, &fattr->mounted_on_fileid); |
f26c7a78 | 4642 | if (status < 0) |
99baf625 | 4643 | goto xdr_error; |
28331a46 | 4644 | fattr->valid |= status; |
f26c7a78 | 4645 | |
88034c3d AA |
4646 | status = decode_attr_mdsthreshold(xdr, bitmap, fattr->mdsthreshold); |
4647 | if (status < 0) | |
4648 | goto xdr_error; | |
4649 | ||
aa9c2669 DQ |
4650 | if (label) { |
4651 | status = decode_attr_security_label(xdr, bitmap, label); | |
4652 | if (status < 0) | |
4653 | goto xdr_error; | |
4654 | fattr->valid |= status; | |
4655 | } | |
4656 | ||
ae42c70a BS |
4657 | xdr_error: |
4658 | dprintk("%s: xdr returned %d\n", __func__, -status); | |
4659 | return status; | |
4660 | } | |
4661 | ||
4662 | static int decode_getfattr_generic(struct xdr_stream *xdr, struct nfs_fattr *fattr, | |
8b7e3f49 | 4663 | struct nfs_fh *fh, struct nfs4_fs_locations *fs_loc, |
aa9c2669 | 4664 | struct nfs4_label *label, const struct nfs_server *server) |
ae42c70a | 4665 | { |
256e48bb | 4666 | unsigned int savep; |
ae42c70a | 4667 | uint32_t attrlen, |
dae100c2 | 4668 | bitmap[3] = {0}; |
ae42c70a BS |
4669 | int status; |
4670 | ||
4671 | status = decode_op_hdr(xdr, OP_GETATTR); | |
4672 | if (status < 0) | |
4673 | goto xdr_error; | |
4674 | ||
4675 | status = decode_attr_bitmap(xdr, bitmap); | |
4676 | if (status < 0) | |
4677 | goto xdr_error; | |
4678 | ||
4679 | status = decode_attr_length(xdr, &attrlen, &savep); | |
4680 | if (status < 0) | |
4681 | goto xdr_error; | |
4682 | ||
aa9c2669 DQ |
4683 | status = decode_getfattr_attrs(xdr, bitmap, fattr, fh, fs_loc, |
4684 | label, server); | |
ae42c70a BS |
4685 | if (status < 0) |
4686 | goto xdr_error; | |
4687 | ||
f26c7a78 | 4688 | status = verify_attr_len(xdr, savep, attrlen); |
1da177e4 | 4689 | xdr_error: |
3110ff80 | 4690 | dprintk("%s: xdr returned %d\n", __func__, -status); |
1da177e4 LT |
4691 | return status; |
4692 | } | |
4693 | ||
aa9c2669 DQ |
4694 | static int decode_getfattr_label(struct xdr_stream *xdr, struct nfs_fattr *fattr, |
4695 | struct nfs4_label *label, const struct nfs_server *server) | |
4696 | { | |
4697 | return decode_getfattr_generic(xdr, fattr, NULL, NULL, label, server); | |
4698 | } | |
4699 | ||
ae42c70a | 4700 | static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr, |
6926afd1 | 4701 | const struct nfs_server *server) |
ae42c70a | 4702 | { |
aa9c2669 | 4703 | return decode_getfattr_generic(xdr, fattr, NULL, NULL, NULL, server); |
ae42c70a | 4704 | } |
1da177e4 | 4705 | |
504913fb AA |
4706 | /* |
4707 | * Decode potentially multiple layout types. Currently we only support | |
4708 | * one layout driver per file system. | |
4709 | */ | |
4710 | static int decode_first_pnfs_layout_type(struct xdr_stream *xdr, | |
4711 | uint32_t *layouttype) | |
4712 | { | |
b8a8a0dd | 4713 | __be32 *p; |
504913fb AA |
4714 | int num; |
4715 | ||
4716 | p = xdr_inline_decode(xdr, 4); | |
4717 | if (unlikely(!p)) | |
4718 | goto out_overflow; | |
4719 | num = be32_to_cpup(p); | |
4720 | ||
4721 | /* pNFS is not supported by the underlying file system */ | |
4722 | if (num == 0) { | |
4723 | *layouttype = 0; | |
4724 | return 0; | |
4725 | } | |
4726 | if (num > 1) | |
a030889a WAA |
4727 | printk(KERN_INFO "NFS: %s: Warning: Multiple pNFS layout " |
4728 | "drivers per filesystem not supported\n", __func__); | |
504913fb AA |
4729 | |
4730 | /* Decode and set first layout type, move xdr->p past unused types */ | |
4731 | p = xdr_inline_decode(xdr, num * 4); | |
4732 | if (unlikely(!p)) | |
4733 | goto out_overflow; | |
4734 | *layouttype = be32_to_cpup(p); | |
4735 | return 0; | |
4736 | out_overflow: | |
4737 | print_overflow_msg(__func__, xdr); | |
4738 | return -EIO; | |
4739 | } | |
4740 | ||
4741 | /* | |
4742 | * The type of file system exported. | |
4743 | * Note we must ensure that layouttype is set in any non-error case. | |
4744 | */ | |
4745 | static int decode_attr_pnfstype(struct xdr_stream *xdr, uint32_t *bitmap, | |
4746 | uint32_t *layouttype) | |
4747 | { | |
4748 | int status = 0; | |
4749 | ||
4750 | dprintk("%s: bitmap is %x\n", __func__, bitmap[1]); | |
4751 | if (unlikely(bitmap[1] & (FATTR4_WORD1_FS_LAYOUT_TYPES - 1U))) | |
4752 | return -EIO; | |
4753 | if (bitmap[1] & FATTR4_WORD1_FS_LAYOUT_TYPES) { | |
4754 | status = decode_first_pnfs_layout_type(xdr, layouttype); | |
4755 | bitmap[1] &= ~FATTR4_WORD1_FS_LAYOUT_TYPES; | |
4756 | } else | |
4757 | *layouttype = 0; | |
4758 | return status; | |
4759 | } | |
4760 | ||
dae100c2 FI |
4761 | /* |
4762 | * The prefered block size for layout directed io | |
4763 | */ | |
4764 | static int decode_attr_layout_blksize(struct xdr_stream *xdr, uint32_t *bitmap, | |
4765 | uint32_t *res) | |
4766 | { | |
4767 | __be32 *p; | |
4768 | ||
4769 | dprintk("%s: bitmap is %x\n", __func__, bitmap[2]); | |
4770 | *res = 0; | |
4771 | if (bitmap[2] & FATTR4_WORD2_LAYOUT_BLKSIZE) { | |
4772 | p = xdr_inline_decode(xdr, 4); | |
4773 | if (unlikely(!p)) { | |
4774 | print_overflow_msg(__func__, xdr); | |
4775 | return -EIO; | |
4776 | } | |
4777 | *res = be32_to_cpup(p); | |
4778 | bitmap[2] &= ~FATTR4_WORD2_LAYOUT_BLKSIZE; | |
4779 | } | |
4780 | return 0; | |
4781 | } | |
4782 | ||
1da177e4 LT |
4783 | static int decode_fsinfo(struct xdr_stream *xdr, struct nfs_fsinfo *fsinfo) |
4784 | { | |
256e48bb | 4785 | unsigned int savep; |
dae100c2 | 4786 | uint32_t attrlen, bitmap[3]; |
1da177e4 LT |
4787 | int status; |
4788 | ||
4789 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) | |
4790 | goto xdr_error; | |
4791 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) | |
4792 | goto xdr_error; | |
4793 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
4794 | goto xdr_error; | |
4795 | ||
4796 | fsinfo->rtmult = fsinfo->wtmult = 512; /* ??? */ | |
4797 | ||
4798 | if ((status = decode_attr_lease_time(xdr, bitmap, &fsinfo->lease_time)) != 0) | |
4799 | goto xdr_error; | |
4800 | if ((status = decode_attr_maxfilesize(xdr, bitmap, &fsinfo->maxfilesize)) != 0) | |
4801 | goto xdr_error; | |
4802 | if ((status = decode_attr_maxread(xdr, bitmap, &fsinfo->rtmax)) != 0) | |
4803 | goto xdr_error; | |
4804 | fsinfo->rtpref = fsinfo->dtpref = fsinfo->rtmax; | |
4805 | if ((status = decode_attr_maxwrite(xdr, bitmap, &fsinfo->wtmax)) != 0) | |
4806 | goto xdr_error; | |
4807 | fsinfo->wtpref = fsinfo->wtmax; | |
55b6e774 | 4808 | status = decode_attr_time_delta(xdr, bitmap, &fsinfo->time_delta); |
504913fb AA |
4809 | if (status != 0) |
4810 | goto xdr_error; | |
4811 | status = decode_attr_pnfstype(xdr, bitmap, &fsinfo->layouttype); | |
55b6e774 RL |
4812 | if (status != 0) |
4813 | goto xdr_error; | |
dae100c2 FI |
4814 | status = decode_attr_layout_blksize(xdr, bitmap, &fsinfo->blksize); |
4815 | if (status) | |
4816 | goto xdr_error; | |
1da177e4 LT |
4817 | |
4818 | status = verify_attr_len(xdr, savep, attrlen); | |
4819 | xdr_error: | |
3110ff80 | 4820 | dprintk("%s: xdr returned %d!\n", __func__, -status); |
1da177e4 LT |
4821 | return status; |
4822 | } | |
4823 | ||
4824 | static int decode_getfh(struct xdr_stream *xdr, struct nfs_fh *fh) | |
4825 | { | |
8687b63a | 4826 | __be32 *p; |
1da177e4 LT |
4827 | uint32_t len; |
4828 | int status; | |
4829 | ||
9936781d TM |
4830 | /* Zero handle first to allow comparisons */ |
4831 | memset(fh, 0, sizeof(*fh)); | |
4832 | ||
1da177e4 LT |
4833 | status = decode_op_hdr(xdr, OP_GETFH); |
4834 | if (status) | |
4835 | return status; | |
1da177e4 | 4836 | |
c0eae66e BH |
4837 | p = xdr_inline_decode(xdr, 4); |
4838 | if (unlikely(!p)) | |
4839 | goto out_overflow; | |
cccddf4f | 4840 | len = be32_to_cpup(p); |
1da177e4 LT |
4841 | if (len > NFS4_FHSIZE) |
4842 | return -EIO; | |
4843 | fh->size = len; | |
c0eae66e BH |
4844 | p = xdr_inline_decode(xdr, len); |
4845 | if (unlikely(!p)) | |
4846 | goto out_overflow; | |
99398d06 | 4847 | memcpy(fh->data, p, len); |
1da177e4 | 4848 | return 0; |
c0eae66e BH |
4849 | out_overflow: |
4850 | print_overflow_msg(__func__, xdr); | |
4851 | return -EIO; | |
1da177e4 LT |
4852 | } |
4853 | ||
4854 | static int decode_link(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
4855 | { | |
4856 | int status; | |
6c0195a4 | 4857 | |
1da177e4 LT |
4858 | status = decode_op_hdr(xdr, OP_LINK); |
4859 | if (status) | |
4860 | return status; | |
4861 | return decode_change_info(xdr, cinfo); | |
4862 | } | |
4863 | ||
4864 | /* | |
4865 | * We create the owner, so we know a proper owner.id length is 4. | |
4866 | */ | |
911d1aaf | 4867 | static int decode_lock_denied (struct xdr_stream *xdr, struct file_lock *fl) |
1da177e4 | 4868 | { |
911d1aaf | 4869 | uint64_t offset, length, clientid; |
8687b63a | 4870 | __be32 *p; |
911d1aaf | 4871 | uint32_t namelen, type; |
1da177e4 | 4872 | |
babddc72 | 4873 | p = xdr_inline_decode(xdr, 32); /* read 32 bytes */ |
c0eae66e BH |
4874 | if (unlikely(!p)) |
4875 | goto out_overflow; | |
babddc72 | 4876 | p = xdr_decode_hyper(p, &offset); /* read 2 8-byte long words */ |
3ceb4dbb | 4877 | p = xdr_decode_hyper(p, &length); |
babddc72 BS |
4878 | type = be32_to_cpup(p++); /* 4 byte read */ |
4879 | if (fl != NULL) { /* manipulate file lock */ | |
911d1aaf TM |
4880 | fl->fl_start = (loff_t)offset; |
4881 | fl->fl_end = fl->fl_start + (loff_t)length - 1; | |
4882 | if (length == ~(uint64_t)0) | |
4883 | fl->fl_end = OFFSET_MAX; | |
4884 | fl->fl_type = F_WRLCK; | |
4885 | if (type & 1) | |
4886 | fl->fl_type = F_RDLCK; | |
4887 | fl->fl_pid = 0; | |
4888 | } | |
babddc72 BS |
4889 | p = xdr_decode_hyper(p, &clientid); /* read 8 bytes */ |
4890 | namelen = be32_to_cpup(p); /* read 4 bytes */ /* have read all 32 bytes now */ | |
4891 | p = xdr_inline_decode(xdr, namelen); /* variable size field */ | |
c0eae66e BH |
4892 | if (likely(p)) |
4893 | return -NFS4ERR_DENIED; | |
4894 | out_overflow: | |
4895 | print_overflow_msg(__func__, xdr); | |
4896 | return -EIO; | |
1da177e4 LT |
4897 | } |
4898 | ||
911d1aaf | 4899 | static int decode_lock(struct xdr_stream *xdr, struct nfs_lock_res *res) |
1da177e4 | 4900 | { |
1da177e4 LT |
4901 | int status; |
4902 | ||
4903 | status = decode_op_hdr(xdr, OP_LOCK); | |
c1d51931 TM |
4904 | if (status == -EIO) |
4905 | goto out; | |
1da177e4 | 4906 | if (status == 0) { |
07d30434 BH |
4907 | status = decode_stateid(xdr, &res->stateid); |
4908 | if (unlikely(status)) | |
4909 | goto out; | |
1da177e4 | 4910 | } else if (status == -NFS4ERR_DENIED) |
c1d51931 TM |
4911 | status = decode_lock_denied(xdr, NULL); |
4912 | if (res->open_seqid != NULL) | |
4913 | nfs_increment_open_seqid(status, res->open_seqid); | |
4914 | nfs_increment_lock_seqid(status, res->lock_seqid); | |
4915 | out: | |
1da177e4 LT |
4916 | return status; |
4917 | } | |
4918 | ||
911d1aaf | 4919 | static int decode_lockt(struct xdr_stream *xdr, struct nfs_lockt_res *res) |
1da177e4 LT |
4920 | { |
4921 | int status; | |
4922 | status = decode_op_hdr(xdr, OP_LOCKT); | |
4923 | if (status == -NFS4ERR_DENIED) | |
911d1aaf | 4924 | return decode_lock_denied(xdr, res->denied); |
1da177e4 LT |
4925 | return status; |
4926 | } | |
4927 | ||
911d1aaf | 4928 | static int decode_locku(struct xdr_stream *xdr, struct nfs_locku_res *res) |
1da177e4 | 4929 | { |
1da177e4 LT |
4930 | int status; |
4931 | ||
4932 | status = decode_op_hdr(xdr, OP_LOCKU); | |
c1d51931 TM |
4933 | if (status != -EIO) |
4934 | nfs_increment_lock_seqid(status, res->seqid); | |
07d30434 BH |
4935 | if (status == 0) |
4936 | status = decode_stateid(xdr, &res->stateid); | |
1da177e4 LT |
4937 | return status; |
4938 | } | |
4939 | ||
d3c7b7cc TM |
4940 | static int decode_release_lockowner(struct xdr_stream *xdr) |
4941 | { | |
4942 | return decode_op_hdr(xdr, OP_RELEASE_LOCKOWNER); | |
4943 | } | |
4944 | ||
1da177e4 LT |
4945 | static int decode_lookup(struct xdr_stream *xdr) |
4946 | { | |
4947 | return decode_op_hdr(xdr, OP_LOOKUP); | |
4948 | } | |
4949 | ||
4950 | /* This is too sick! */ | |
4951 | static int decode_space_limit(struct xdr_stream *xdr, u64 *maxsize) | |
4952 | { | |
05d564fe | 4953 | __be32 *p; |
1da177e4 LT |
4954 | uint32_t limit_type, nblocks, blocksize; |
4955 | ||
c0eae66e BH |
4956 | p = xdr_inline_decode(xdr, 12); |
4957 | if (unlikely(!p)) | |
4958 | goto out_overflow; | |
6f723f77 | 4959 | limit_type = be32_to_cpup(p++); |
1da177e4 | 4960 | switch (limit_type) { |
05d564fe | 4961 | case 1: |
cccddf4f | 4962 | xdr_decode_hyper(p, maxsize); |
05d564fe AA |
4963 | break; |
4964 | case 2: | |
6f723f77 | 4965 | nblocks = be32_to_cpup(p++); |
cccddf4f | 4966 | blocksize = be32_to_cpup(p); |
05d564fe | 4967 | *maxsize = (uint64_t)nblocks * (uint64_t)blocksize; |
1da177e4 LT |
4968 | } |
4969 | return 0; | |
c0eae66e BH |
4970 | out_overflow: |
4971 | print_overflow_msg(__func__, xdr); | |
4972 | return -EIO; | |
1da177e4 LT |
4973 | } |
4974 | ||
4975 | static int decode_delegation(struct xdr_stream *xdr, struct nfs_openres *res) | |
4976 | { | |
05d564fe AA |
4977 | __be32 *p; |
4978 | uint32_t delegation_type; | |
07d30434 | 4979 | int status; |
1da177e4 | 4980 | |
c0eae66e BH |
4981 | p = xdr_inline_decode(xdr, 4); |
4982 | if (unlikely(!p)) | |
4983 | goto out_overflow; | |
cccddf4f | 4984 | delegation_type = be32_to_cpup(p); |
1da177e4 LT |
4985 | if (delegation_type == NFS4_OPEN_DELEGATE_NONE) { |
4986 | res->delegation_type = 0; | |
4987 | return 0; | |
4988 | } | |
07d30434 BH |
4989 | status = decode_stateid(xdr, &res->delegation); |
4990 | if (unlikely(status)) | |
4991 | return status; | |
c0eae66e BH |
4992 | p = xdr_inline_decode(xdr, 4); |
4993 | if (unlikely(!p)) | |
4994 | goto out_overflow; | |
cccddf4f | 4995 | res->do_recall = be32_to_cpup(p); |
05d564fe | 4996 | |
1da177e4 | 4997 | switch (delegation_type) { |
05d564fe AA |
4998 | case NFS4_OPEN_DELEGATE_READ: |
4999 | res->delegation_type = FMODE_READ; | |
5000 | break; | |
5001 | case NFS4_OPEN_DELEGATE_WRITE: | |
5002 | res->delegation_type = FMODE_WRITE|FMODE_READ; | |
5003 | if (decode_space_limit(xdr, &res->maxsize) < 0) | |
1da177e4 LT |
5004 | return -EIO; |
5005 | } | |
7539bbab | 5006 | return decode_ace(xdr, NULL, res->server->nfs_client); |
c0eae66e BH |
5007 | out_overflow: |
5008 | print_overflow_msg(__func__, xdr); | |
5009 | return -EIO; | |
1da177e4 LT |
5010 | } |
5011 | ||
5012 | static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res) | |
5013 | { | |
05d564fe | 5014 | __be32 *p; |
aa53ed54 | 5015 | uint32_t savewords, bmlen, i; |
05d564fe | 5016 | int status; |
1da177e4 | 5017 | |
c7848f69 TM |
5018 | if (!__decode_op_hdr(xdr, OP_OPEN, &status)) |
5019 | return status; | |
5020 | nfs_increment_open_seqid(status, res->seqid); | |
5021 | if (status) | |
5022 | return status; | |
5023 | status = decode_stateid(xdr, &res->stateid); | |
07d30434 | 5024 | if (unlikely(status)) |
05d564fe | 5025 | return status; |
1da177e4 | 5026 | |
05d564fe | 5027 | decode_change_info(xdr, &res->cinfo); |
1da177e4 | 5028 | |
c0eae66e BH |
5029 | p = xdr_inline_decode(xdr, 8); |
5030 | if (unlikely(!p)) | |
5031 | goto out_overflow; | |
6f723f77 | 5032 | res->rflags = be32_to_cpup(p++); |
cccddf4f | 5033 | bmlen = be32_to_cpup(p); |
05d564fe AA |
5034 | if (bmlen > 10) |
5035 | goto xdr_error; | |
1da177e4 | 5036 | |
c0eae66e BH |
5037 | p = xdr_inline_decode(xdr, bmlen << 2); |
5038 | if (unlikely(!p)) | |
5039 | goto out_overflow; | |
aa53ed54 JL |
5040 | savewords = min_t(uint32_t, bmlen, NFS4_BITMAP_SIZE); |
5041 | for (i = 0; i < savewords; ++i) | |
6f723f77 | 5042 | res->attrset[i] = be32_to_cpup(p++); |
aa53ed54 JL |
5043 | for (; i < NFS4_BITMAP_SIZE; i++) |
5044 | res->attrset[i] = 0; | |
5045 | ||
1da177e4 LT |
5046 | return decode_delegation(xdr, res); |
5047 | xdr_error: | |
3110ff80 | 5048 | dprintk("%s: Bitmap too large! Length = %u\n", __func__, bmlen); |
1da177e4 | 5049 | return -EIO; |
c0eae66e BH |
5050 | out_overflow: |
5051 | print_overflow_msg(__func__, xdr); | |
5052 | return -EIO; | |
1da177e4 LT |
5053 | } |
5054 | ||
5055 | static int decode_open_confirm(struct xdr_stream *xdr, struct nfs_open_confirmres *res) | |
5056 | { | |
1da177e4 LT |
5057 | int status; |
5058 | ||
05d564fe | 5059 | status = decode_op_hdr(xdr, OP_OPEN_CONFIRM); |
c1d51931 TM |
5060 | if (status != -EIO) |
5061 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
5062 | if (!status) |
5063 | status = decode_stateid(xdr, &res->stateid); | |
5064 | return status; | |
1da177e4 LT |
5065 | } |
5066 | ||
5067 | static int decode_open_downgrade(struct xdr_stream *xdr, struct nfs_closeres *res) | |
5068 | { | |
1da177e4 LT |
5069 | int status; |
5070 | ||
5071 | status = decode_op_hdr(xdr, OP_OPEN_DOWNGRADE); | |
c1d51931 TM |
5072 | if (status != -EIO) |
5073 | nfs_increment_open_seqid(status, res->seqid); | |
07d30434 BH |
5074 | if (!status) |
5075 | status = decode_stateid(xdr, &res->stateid); | |
5076 | return status; | |
1da177e4 LT |
5077 | } |
5078 | ||
5079 | static int decode_putfh(struct xdr_stream *xdr) | |
5080 | { | |
5081 | return decode_op_hdr(xdr, OP_PUTFH); | |
5082 | } | |
5083 | ||
5084 | static int decode_putrootfh(struct xdr_stream *xdr) | |
5085 | { | |
5086 | return decode_op_hdr(xdr, OP_PUTROOTFH); | |
5087 | } | |
5088 | ||
5089 | static int decode_read(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs_readres *res) | |
5090 | { | |
8687b63a | 5091 | __be32 *p; |
64bd577e | 5092 | uint32_t count, eof, recvd; |
1da177e4 LT |
5093 | int status; |
5094 | ||
5095 | status = decode_op_hdr(xdr, OP_READ); | |
5096 | if (status) | |
5097 | return status; | |
c0eae66e BH |
5098 | p = xdr_inline_decode(xdr, 8); |
5099 | if (unlikely(!p)) | |
5100 | goto out_overflow; | |
6f723f77 | 5101 | eof = be32_to_cpup(p++); |
cccddf4f | 5102 | count = be32_to_cpup(p); |
64bd577e | 5103 | recvd = xdr_read_pages(xdr, count); |
1da177e4 | 5104 | if (count > recvd) { |
fe82a183 | 5105 | dprintk("NFS: server cheating in read reply: " |
1da177e4 LT |
5106 | "count %u > recvd %u\n", count, recvd); |
5107 | count = recvd; | |
5108 | eof = 0; | |
5109 | } | |
1da177e4 LT |
5110 | res->eof = eof; |
5111 | res->count = count; | |
5112 | return 0; | |
c0eae66e BH |
5113 | out_overflow: |
5114 | print_overflow_msg(__func__, xdr); | |
5115 | return -EIO; | |
1da177e4 LT |
5116 | } |
5117 | ||
5118 | static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs4_readdir_res *readdir) | |
5119 | { | |
bcecff77 | 5120 | int status; |
cd93710e | 5121 | __be32 verf[2]; |
1da177e4 LT |
5122 | |
5123 | status = decode_op_hdr(xdr, OP_READDIR); | |
db942bbd BH |
5124 | if (!status) |
5125 | status = decode_verifier(xdr, readdir->verifier.data); | |
5126 | if (unlikely(status)) | |
1da177e4 | 5127 | return status; |
cd93710e | 5128 | memcpy(verf, readdir->verifier.data, sizeof(verf)); |
44109241 | 5129 | dprintk("%s: verifier = %08x:%08x\n", |
cd93710e | 5130 | __func__, verf[0], verf[1]); |
64bd577e | 5131 | return xdr_read_pages(xdr, xdr->buf->page_len); |
1da177e4 LT |
5132 | } |
5133 | ||
5134 | static int decode_readlink(struct xdr_stream *xdr, struct rpc_rqst *req) | |
5135 | { | |
5136 | struct xdr_buf *rcvbuf = &req->rq_rcv_buf; | |
bcecff77 | 5137 | u32 len, recvd; |
8687b63a | 5138 | __be32 *p; |
1da177e4 LT |
5139 | int status; |
5140 | ||
5141 | status = decode_op_hdr(xdr, OP_READLINK); | |
5142 | if (status) | |
5143 | return status; | |
5144 | ||
5145 | /* Convert length of symlink */ | |
c0eae66e BH |
5146 | p = xdr_inline_decode(xdr, 4); |
5147 | if (unlikely(!p)) | |
5148 | goto out_overflow; | |
cccddf4f | 5149 | len = be32_to_cpup(p); |
1da177e4 | 5150 | if (len >= rcvbuf->page_len || len <= 0) { |
fe82a183 | 5151 | dprintk("nfs: server returned giant symlink!\n"); |
1da177e4 LT |
5152 | return -ENAMETOOLONG; |
5153 | } | |
64bd577e | 5154 | recvd = xdr_read_pages(xdr, len); |
1da177e4 | 5155 | if (recvd < len) { |
fe82a183 | 5156 | dprintk("NFS: server cheating in readlink reply: " |
1da177e4 LT |
5157 | "count %u > recvd %u\n", len, recvd); |
5158 | return -EIO; | |
5159 | } | |
1da177e4 LT |
5160 | /* |
5161 | * The XDR encode routine has set things up so that | |
5162 | * the link text will be copied directly into the | |
5163 | * buffer. We just have to do overflow-checking, | |
5164 | * and and null-terminate the text (the VFS expects | |
5165 | * null-termination). | |
5166 | */ | |
b4687da7 | 5167 | xdr_terminate_string(rcvbuf, len); |
1da177e4 | 5168 | return 0; |
c0eae66e BH |
5169 | out_overflow: |
5170 | print_overflow_msg(__func__, xdr); | |
5171 | return -EIO; | |
1da177e4 LT |
5172 | } |
5173 | ||
5174 | static int decode_remove(struct xdr_stream *xdr, struct nfs4_change_info *cinfo) | |
5175 | { | |
5176 | int status; | |
5177 | ||
5178 | status = decode_op_hdr(xdr, OP_REMOVE); | |
5179 | if (status) | |
5180 | goto out; | |
5181 | status = decode_change_info(xdr, cinfo); | |
5182 | out: | |
5183 | return status; | |
5184 | } | |
5185 | ||
5186 | static int decode_rename(struct xdr_stream *xdr, struct nfs4_change_info *old_cinfo, | |
5187 | struct nfs4_change_info *new_cinfo) | |
5188 | { | |
5189 | int status; | |
5190 | ||
5191 | status = decode_op_hdr(xdr, OP_RENAME); | |
5192 | if (status) | |
5193 | goto out; | |
5194 | if ((status = decode_change_info(xdr, old_cinfo))) | |
5195 | goto out; | |
5196 | status = decode_change_info(xdr, new_cinfo); | |
5197 | out: | |
5198 | return status; | |
5199 | } | |
5200 | ||
5201 | static int decode_renew(struct xdr_stream *xdr) | |
5202 | { | |
5203 | return decode_op_hdr(xdr, OP_RENEW); | |
5204 | } | |
5205 | ||
56ae19f3 TM |
5206 | static int |
5207 | decode_restorefh(struct xdr_stream *xdr) | |
5208 | { | |
5209 | return decode_op_hdr(xdr, OP_RESTOREFH); | |
5210 | } | |
5211 | ||
029d105e | 5212 | static int decode_getacl(struct xdr_stream *xdr, struct rpc_rqst *req, |
bf118a34 | 5213 | struct nfs_getaclres *res) |
029d105e | 5214 | { |
256e48bb | 5215 | unsigned int savep; |
029d105e | 5216 | uint32_t attrlen, |
dae100c2 | 5217 | bitmap[3] = {0}; |
029d105e | 5218 | int status; |
cff298c7 | 5219 | unsigned int pg_offset; |
029d105e | 5220 | |
bf118a34 | 5221 | res->acl_len = 0; |
029d105e BF |
5222 | if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0) |
5223 | goto out; | |
5a006899 | 5224 | |
519d3959 TM |
5225 | xdr_enter_page(xdr, xdr->buf->page_len); |
5226 | ||
cff298c7 TM |
5227 | /* Calculate the offset of the page data */ |
5228 | pg_offset = xdr->buf->head[0].iov_len; | |
5a006899 | 5229 | |
029d105e BF |
5230 | if ((status = decode_attr_bitmap(xdr, bitmap)) != 0) |
5231 | goto out; | |
5232 | if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0) | |
5233 | goto out; | |
5234 | ||
5235 | if (unlikely(bitmap[0] & (FATTR4_WORD0_ACL - 1U))) | |
5236 | return -EIO; | |
5237 | if (likely(bitmap[0] & FATTR4_WORD0_ACL)) { | |
029d105e | 5238 | |
bf118a34 AA |
5239 | /* The bitmap (xdr len + bitmaps) and the attr xdr len words |
5240 | * are stored with the acl data to handle the problem of | |
5241 | * variable length bitmaps.*/ | |
cff298c7 | 5242 | res->acl_data_offset = xdr_stream_pos(xdr) - pg_offset; |
519d3959 | 5243 | res->acl_len = attrlen; |
1f1ea6c2 TM |
5244 | |
5245 | /* Check for receive buffer overflow */ | |
5246 | if (res->acl_len > (xdr->nwords << 2) || | |
5247 | res->acl_len + res->acl_data_offset > xdr->buf->page_len) { | |
5248 | res->acl_flags |= NFS4_ACL_TRUNC; | |
519d3959 | 5249 | dprintk("NFS: acl reply: attrlen %u > page_len %u\n", |
cff298c7 | 5250 | attrlen, xdr->nwords << 2); |
029d105e | 5251 | } |
8c233cf9 BF |
5252 | } else |
5253 | status = -EOPNOTSUPP; | |
029d105e BF |
5254 | |
5255 | out: | |
5256 | return status; | |
5257 | } | |
5258 | ||
1da177e4 LT |
5259 | static int |
5260 | decode_savefh(struct xdr_stream *xdr) | |
5261 | { | |
5262 | return decode_op_hdr(xdr, OP_SAVEFH); | |
5263 | } | |
5264 | ||
9e9ecc03 | 5265 | static int decode_setattr(struct xdr_stream *xdr) |
1da177e4 | 5266 | { |
8687b63a | 5267 | __be32 *p; |
1da177e4 LT |
5268 | uint32_t bmlen; |
5269 | int status; | |
5270 | ||
1da177e4 LT |
5271 | status = decode_op_hdr(xdr, OP_SETATTR); |
5272 | if (status) | |
5273 | return status; | |
c0eae66e BH |
5274 | p = xdr_inline_decode(xdr, 4); |
5275 | if (unlikely(!p)) | |
5276 | goto out_overflow; | |
cccddf4f | 5277 | bmlen = be32_to_cpup(p); |
c0eae66e BH |
5278 | p = xdr_inline_decode(xdr, bmlen << 2); |
5279 | if (likely(p)) | |
5280 | return 0; | |
5281 | out_overflow: | |
5282 | print_overflow_msg(__func__, xdr); | |
5283 | return -EIO; | |
1da177e4 LT |
5284 | } |
5285 | ||
bb8b27e5 | 5286 | static int decode_setclientid(struct xdr_stream *xdr, struct nfs4_setclientid_res *res) |
1da177e4 | 5287 | { |
8687b63a | 5288 | __be32 *p; |
1da177e4 LT |
5289 | uint32_t opnum; |
5290 | int32_t nfserr; | |
5291 | ||
c0eae66e BH |
5292 | p = xdr_inline_decode(xdr, 8); |
5293 | if (unlikely(!p)) | |
5294 | goto out_overflow; | |
6f723f77 | 5295 | opnum = be32_to_cpup(p++); |
1da177e4 | 5296 | if (opnum != OP_SETCLIENTID) { |
fe82a183 | 5297 | dprintk("nfs: decode_setclientid: Server returned operation" |
6c0195a4 | 5298 | " %d\n", opnum); |
1da177e4 LT |
5299 | return -EIO; |
5300 | } | |
cccddf4f | 5301 | nfserr = be32_to_cpup(p); |
1da177e4 | 5302 | if (nfserr == NFS_OK) { |
c0eae66e BH |
5303 | p = xdr_inline_decode(xdr, 8 + NFS4_VERIFIER_SIZE); |
5304 | if (unlikely(!p)) | |
5305 | goto out_overflow; | |
bb8b27e5 TM |
5306 | p = xdr_decode_hyper(p, &res->clientid); |
5307 | memcpy(res->confirm.data, p, NFS4_VERIFIER_SIZE); | |
1da177e4 LT |
5308 | } else if (nfserr == NFSERR_CLID_INUSE) { |
5309 | uint32_t len; | |
5310 | ||
5311 | /* skip netid string */ | |
c0eae66e BH |
5312 | p = xdr_inline_decode(xdr, 4); |
5313 | if (unlikely(!p)) | |
5314 | goto out_overflow; | |
cccddf4f | 5315 | len = be32_to_cpup(p); |
c0eae66e BH |
5316 | p = xdr_inline_decode(xdr, len); |
5317 | if (unlikely(!p)) | |
5318 | goto out_overflow; | |
1da177e4 LT |
5319 | |
5320 | /* skip uaddr string */ | |
c0eae66e BH |
5321 | p = xdr_inline_decode(xdr, 4); |
5322 | if (unlikely(!p)) | |
5323 | goto out_overflow; | |
cccddf4f | 5324 | len = be32_to_cpup(p); |
c0eae66e BH |
5325 | p = xdr_inline_decode(xdr, len); |
5326 | if (unlikely(!p)) | |
5327 | goto out_overflow; | |
1da177e4 LT |
5328 | return -NFSERR_CLID_INUSE; |
5329 | } else | |
856dff3d | 5330 | return nfs4_stat_to_errno(nfserr); |
1da177e4 LT |
5331 | |
5332 | return 0; | |
c0eae66e BH |
5333 | out_overflow: |
5334 | print_overflow_msg(__func__, xdr); | |
5335 | return -EIO; | |
1da177e4 LT |
5336 | } |
5337 | ||
5338 | static int decode_setclientid_confirm(struct xdr_stream *xdr) | |
5339 | { | |
5340 | return decode_op_hdr(xdr, OP_SETCLIENTID_CONFIRM); | |
5341 | } | |
5342 | ||
5343 | static int decode_write(struct xdr_stream *xdr, struct nfs_writeres *res) | |
5344 | { | |
8687b63a | 5345 | __be32 *p; |
1da177e4 LT |
5346 | int status; |
5347 | ||
5348 | status = decode_op_hdr(xdr, OP_WRITE); | |
5349 | if (status) | |
5350 | return status; | |
5351 | ||
2f2c63bc | 5352 | p = xdr_inline_decode(xdr, 8); |
c0eae66e BH |
5353 | if (unlikely(!p)) |
5354 | goto out_overflow; | |
6f723f77 BH |
5355 | res->count = be32_to_cpup(p++); |
5356 | res->verf->committed = be32_to_cpup(p++); | |
2f2c63bc | 5357 | return decode_write_verifier(xdr, &res->verf->verifier); |
c0eae66e BH |
5358 | out_overflow: |
5359 | print_overflow_msg(__func__, xdr); | |
5360 | return -EIO; | |
1da177e4 LT |
5361 | } |
5362 | ||
5363 | static int decode_delegreturn(struct xdr_stream *xdr) | |
5364 | { | |
5365 | return decode_op_hdr(xdr, OP_DELEGRETURN); | |
5366 | } | |
5367 | ||
fb15b26f CL |
5368 | static int decode_secinfo_gss(struct xdr_stream *xdr, |
5369 | struct nfs4_secinfo4 *flavor) | |
5a5ea0d4 | 5370 | { |
fb15b26f | 5371 | u32 oid_len; |
5a5ea0d4 BS |
5372 | __be32 *p; |
5373 | ||
5374 | p = xdr_inline_decode(xdr, 4); | |
5375 | if (unlikely(!p)) | |
5376 | goto out_overflow; | |
fb15b26f CL |
5377 | oid_len = be32_to_cpup(p); |
5378 | if (oid_len > GSS_OID_MAX_LEN) | |
5a5ea0d4 BS |
5379 | goto out_err; |
5380 | ||
fb15b26f | 5381 | p = xdr_inline_decode(xdr, oid_len); |
5a5ea0d4 BS |
5382 | if (unlikely(!p)) |
5383 | goto out_overflow; | |
fb15b26f CL |
5384 | memcpy(flavor->flavor_info.oid.data, p, oid_len); |
5385 | flavor->flavor_info.oid.len = oid_len; | |
5a5ea0d4 BS |
5386 | |
5387 | p = xdr_inline_decode(xdr, 8); | |
5388 | if (unlikely(!p)) | |
5389 | goto out_overflow; | |
fb15b26f CL |
5390 | flavor->flavor_info.qop = be32_to_cpup(p++); |
5391 | flavor->flavor_info.service = be32_to_cpup(p); | |
5a5ea0d4 BS |
5392 | |
5393 | return 0; | |
5394 | ||
5395 | out_overflow: | |
5396 | print_overflow_msg(__func__, xdr); | |
5397 | return -EIO; | |
5398 | out_err: | |
5399 | return -EINVAL; | |
5400 | } | |
5401 | ||
31e4dda4 | 5402 | static int decode_secinfo_common(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
5a5ea0d4 | 5403 | { |
fb15b26f CL |
5404 | struct nfs4_secinfo4 *sec_flavor; |
5405 | unsigned int i, num_flavors; | |
5a5ea0d4 BS |
5406 | int status; |
5407 | __be32 *p; | |
5a5ea0d4 | 5408 | |
5a5ea0d4 BS |
5409 | p = xdr_inline_decode(xdr, 4); |
5410 | if (unlikely(!p)) | |
5411 | goto out_overflow; | |
5a5ea0d4 | 5412 | |
c3dfc280 BS |
5413 | res->flavors->num_flavors = 0; |
5414 | num_flavors = be32_to_cpup(p); | |
5415 | ||
5416 | for (i = 0; i < num_flavors; i++) { | |
5a5ea0d4 | 5417 | sec_flavor = &res->flavors->flavors[i]; |
c3dfc280 | 5418 | if ((char *)&sec_flavor[1] - (char *)res->flavors > PAGE_SIZE) |
5a5ea0d4 BS |
5419 | break; |
5420 | ||
5421 | p = xdr_inline_decode(xdr, 4); | |
5422 | if (unlikely(!p)) | |
5423 | goto out_overflow; | |
5424 | sec_flavor->flavor = be32_to_cpup(p); | |
5425 | ||
5426 | if (sec_flavor->flavor == RPC_AUTH_GSS) { | |
613e901e BS |
5427 | status = decode_secinfo_gss(xdr, sec_flavor); |
5428 | if (status) | |
5429 | goto out; | |
5a5ea0d4 | 5430 | } |
c3dfc280 | 5431 | res->flavors->num_flavors++; |
5a5ea0d4 BS |
5432 | } |
5433 | ||
31e4dda4 | 5434 | status = 0; |
613e901e BS |
5435 | out: |
5436 | return status; | |
5a5ea0d4 BS |
5437 | out_overflow: |
5438 | print_overflow_msg(__func__, xdr); | |
5439 | return -EIO; | |
5440 | } | |
5441 | ||
31e4dda4 BS |
5442 | static int decode_secinfo(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
5443 | { | |
5444 | int status = decode_op_hdr(xdr, OP_SECINFO); | |
5445 | if (status) | |
5446 | return status; | |
5447 | return decode_secinfo_common(xdr, res); | |
5448 | } | |
5449 | ||
99fe60d0 | 5450 | #if defined(CONFIG_NFS_V4_1) |
31e4dda4 BS |
5451 | static int decode_secinfo_no_name(struct xdr_stream *xdr, struct nfs4_secinfo_res *res) |
5452 | { | |
5453 | int status = decode_op_hdr(xdr, OP_SECINFO_NO_NAME); | |
5454 | if (status) | |
5455 | return status; | |
5456 | return decode_secinfo_common(xdr, res); | |
5457 | } | |
5458 | ||
2031cd1a WAA |
5459 | static int decode_op_map(struct xdr_stream *xdr, struct nfs4_op_map *op_map) |
5460 | { | |
5461 | __be32 *p; | |
5462 | uint32_t bitmap_words; | |
5463 | unsigned int i; | |
5464 | ||
5465 | p = xdr_inline_decode(xdr, 4); | |
5466 | bitmap_words = be32_to_cpup(p++); | |
5467 | if (bitmap_words > NFS4_OP_MAP_NUM_WORDS) | |
5468 | return -EIO; | |
5469 | p = xdr_inline_decode(xdr, 4 * bitmap_words); | |
5470 | for (i = 0; i < bitmap_words; i++) | |
5471 | op_map->u.words[i] = be32_to_cpup(p++); | |
5472 | ||
5473 | return 0; | |
5474 | } | |
5475 | ||
99fe60d0 BH |
5476 | static int decode_exchange_id(struct xdr_stream *xdr, |
5477 | struct nfs41_exchange_id_res *res) | |
5478 | { | |
5479 | __be32 *p; | |
5480 | uint32_t dummy; | |
2460ba57 | 5481 | char *dummy_str; |
99fe60d0 | 5482 | int status; |
7d2ed9ac | 5483 | uint32_t impl_id_count; |
99fe60d0 BH |
5484 | |
5485 | status = decode_op_hdr(xdr, OP_EXCHANGE_ID); | |
5486 | if (status) | |
5487 | return status; | |
5488 | ||
c0eae66e BH |
5489 | p = xdr_inline_decode(xdr, 8); |
5490 | if (unlikely(!p)) | |
5491 | goto out_overflow; | |
32b01310 | 5492 | xdr_decode_hyper(p, &res->clientid); |
c0eae66e BH |
5493 | p = xdr_inline_decode(xdr, 12); |
5494 | if (unlikely(!p)) | |
5495 | goto out_overflow; | |
32b01310 TM |
5496 | res->seqid = be32_to_cpup(p++); |
5497 | res->flags = be32_to_cpup(p++); | |
99fe60d0 | 5498 | |
2031cd1a WAA |
5499 | res->state_protect.how = be32_to_cpup(p); |
5500 | switch (res->state_protect.how) { | |
5501 | case SP4_NONE: | |
5502 | break; | |
5503 | case SP4_MACH_CRED: | |
5504 | status = decode_op_map(xdr, &res->state_protect.enforce); | |
5505 | if (status) | |
5506 | return status; | |
5507 | status = decode_op_map(xdr, &res->state_protect.allow); | |
5508 | if (status) | |
5509 | return status; | |
5510 | break; | |
5511 | default: | |
5512 | WARN_ON_ONCE(1); | |
99fe60d0 | 5513 | return -EIO; |
2031cd1a | 5514 | } |
99fe60d0 | 5515 | |
acdeb69d | 5516 | /* server_owner4.so_minor_id */ |
c0eae66e BH |
5517 | p = xdr_inline_decode(xdr, 8); |
5518 | if (unlikely(!p)) | |
5519 | goto out_overflow; | |
acdeb69d | 5520 | p = xdr_decode_hyper(p, &res->server_owner->minor_id); |
99fe60d0 | 5521 | |
acdeb69d | 5522 | /* server_owner4.so_major_id */ |
2460ba57 BH |
5523 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
5524 | if (unlikely(status)) | |
5525 | return status; | |
acdeb69d CL |
5526 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) |
5527 | return -EIO; | |
5528 | memcpy(res->server_owner->major_id, dummy_str, dummy); | |
5529 | res->server_owner->major_id_sz = dummy; | |
99fe60d0 | 5530 | |
acdeb69d | 5531 | /* server_scope4 */ |
2460ba57 BH |
5532 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); |
5533 | if (unlikely(status)) | |
5534 | return status; | |
78fe0f41 WAA |
5535 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) |
5536 | return -EIO; | |
78fe0f41 WAA |
5537 | memcpy(res->server_scope->server_scope, dummy_str, dummy); |
5538 | res->server_scope->server_scope_sz = dummy; | |
5539 | ||
7d2ed9ac WAA |
5540 | /* Implementation Id */ |
5541 | p = xdr_inline_decode(xdr, 4); | |
5542 | if (unlikely(!p)) | |
5543 | goto out_overflow; | |
5544 | impl_id_count = be32_to_cpup(p++); | |
99fe60d0 | 5545 | |
7d2ed9ac WAA |
5546 | if (impl_id_count) { |
5547 | /* nii_domain */ | |
5548 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); | |
5549 | if (unlikely(status)) | |
5550 | return status; | |
5551 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) | |
5552 | return -EIO; | |
5553 | memcpy(res->impl_id->domain, dummy_str, dummy); | |
5554 | ||
5555 | /* nii_name */ | |
5556 | status = decode_opaque_inline(xdr, &dummy, &dummy_str); | |
5557 | if (unlikely(status)) | |
5558 | return status; | |
5559 | if (unlikely(dummy > NFS4_OPAQUE_LIMIT)) | |
5560 | return -EIO; | |
5561 | memcpy(res->impl_id->name, dummy_str, dummy); | |
5562 | ||
5563 | /* nii_date */ | |
5564 | p = xdr_inline_decode(xdr, 12); | |
5565 | if (unlikely(!p)) | |
5566 | goto out_overflow; | |
5567 | p = xdr_decode_hyper(p, &res->impl_id->date.seconds); | |
5568 | res->impl_id->date.nseconds = be32_to_cpup(p); | |
5569 | ||
5570 | /* if there's more than one entry, ignore the rest */ | |
5571 | } | |
99fe60d0 | 5572 | return 0; |
c0eae66e BH |
5573 | out_overflow: |
5574 | print_overflow_msg(__func__, xdr); | |
5575 | return -EIO; | |
99fe60d0 | 5576 | } |
fc931582 AA |
5577 | |
5578 | static int decode_chan_attrs(struct xdr_stream *xdr, | |
5579 | struct nfs4_channel_attrs *attrs) | |
5580 | { | |
5581 | __be32 *p; | |
c9c30dd5 | 5582 | u32 nr_attrs, val; |
fc931582 | 5583 | |
c0eae66e BH |
5584 | p = xdr_inline_decode(xdr, 28); |
5585 | if (unlikely(!p)) | |
5586 | goto out_overflow; | |
c9c30dd5 BH |
5587 | val = be32_to_cpup(p++); /* headerpadsz */ |
5588 | if (val) | |
5589 | return -EINVAL; /* no support for header padding yet */ | |
6f723f77 BH |
5590 | attrs->max_rqst_sz = be32_to_cpup(p++); |
5591 | attrs->max_resp_sz = be32_to_cpup(p++); | |
5592 | attrs->max_resp_sz_cached = be32_to_cpup(p++); | |
5593 | attrs->max_ops = be32_to_cpup(p++); | |
5594 | attrs->max_reqs = be32_to_cpup(p++); | |
cccddf4f | 5595 | nr_attrs = be32_to_cpup(p); |
fc931582 | 5596 | if (unlikely(nr_attrs > 1)) { |
a030889a WAA |
5597 | printk(KERN_WARNING "NFS: %s: Invalid rdma channel attrs " |
5598 | "count %u\n", __func__, nr_attrs); | |
fc931582 AA |
5599 | return -EINVAL; |
5600 | } | |
c0eae66e BH |
5601 | if (nr_attrs == 1) { |
5602 | p = xdr_inline_decode(xdr, 4); /* skip rdma_attrs */ | |
5603 | if (unlikely(!p)) | |
5604 | goto out_overflow; | |
5605 | } | |
fc931582 | 5606 | return 0; |
c0eae66e BH |
5607 | out_overflow: |
5608 | print_overflow_msg(__func__, xdr); | |
5609 | return -EIO; | |
fc931582 AA |
5610 | } |
5611 | ||
e78291e4 BH |
5612 | static int decode_sessionid(struct xdr_stream *xdr, struct nfs4_sessionid *sid) |
5613 | { | |
5614 | return decode_opaque_fixed(xdr, sid->data, NFS4_MAX_SESSIONID_LEN); | |
fc931582 AA |
5615 | } |
5616 | ||
7c44f1ae WAA |
5617 | static int decode_bind_conn_to_session(struct xdr_stream *xdr, |
5618 | struct nfs41_bind_conn_to_session_res *res) | |
5619 | { | |
5620 | __be32 *p; | |
5621 | int status; | |
5622 | ||
5623 | status = decode_op_hdr(xdr, OP_BIND_CONN_TO_SESSION); | |
5624 | if (!status) | |
5625 | status = decode_sessionid(xdr, &res->session->sess_id); | |
5626 | if (unlikely(status)) | |
5627 | return status; | |
5628 | ||
5629 | /* dir flags, rdma mode bool */ | |
5630 | p = xdr_inline_decode(xdr, 8); | |
5631 | if (unlikely(!p)) | |
5632 | goto out_overflow; | |
5633 | ||
5634 | res->dir = be32_to_cpup(p++); | |
5635 | if (res->dir == 0 || res->dir > NFS4_CDFS4_BOTH) | |
5636 | return -EIO; | |
5637 | if (be32_to_cpup(p) == 0) | |
5638 | res->use_conn_in_rdma_mode = false; | |
5639 | else | |
5640 | res->use_conn_in_rdma_mode = true; | |
5641 | ||
5642 | return 0; | |
5643 | out_overflow: | |
5644 | print_overflow_msg(__func__, xdr); | |
5645 | return -EIO; | |
5646 | } | |
5647 | ||
fc931582 AA |
5648 | static int decode_create_session(struct xdr_stream *xdr, |
5649 | struct nfs41_create_session_res *res) | |
5650 | { | |
5651 | __be32 *p; | |
5652 | int status; | |
5653 | struct nfs_client *clp = res->client; | |
5654 | struct nfs4_session *session = clp->cl_session; | |
5655 | ||
5656 | status = decode_op_hdr(xdr, OP_CREATE_SESSION); | |
e78291e4 BH |
5657 | if (!status) |
5658 | status = decode_sessionid(xdr, &session->sess_id); | |
5659 | if (unlikely(status)) | |
fc931582 AA |
5660 | return status; |
5661 | ||
fc931582 | 5662 | /* seqid, flags */ |
c0eae66e BH |
5663 | p = xdr_inline_decode(xdr, 8); |
5664 | if (unlikely(!p)) | |
5665 | goto out_overflow; | |
6f723f77 | 5666 | clp->cl_seqid = be32_to_cpup(p++); |
cccddf4f | 5667 | session->flags = be32_to_cpup(p); |
fc931582 AA |
5668 | |
5669 | /* Channel attributes */ | |
5670 | status = decode_chan_attrs(xdr, &session->fc_attrs); | |
5671 | if (!status) | |
5672 | status = decode_chan_attrs(xdr, &session->bc_attrs); | |
5673 | return status; | |
c0eae66e BH |
5674 | out_overflow: |
5675 | print_overflow_msg(__func__, xdr); | |
5676 | return -EIO; | |
fc931582 | 5677 | } |
0f3e66c6 AA |
5678 | |
5679 | static int decode_destroy_session(struct xdr_stream *xdr, void *dummy) | |
5680 | { | |
5681 | return decode_op_hdr(xdr, OP_DESTROY_SESSION); | |
5682 | } | |
18019753 | 5683 | |
66245539 TM |
5684 | static int decode_destroy_clientid(struct xdr_stream *xdr, void *dummy) |
5685 | { | |
5686 | return decode_op_hdr(xdr, OP_DESTROY_CLIENTID); | |
5687 | } | |
5688 | ||
18019753 RL |
5689 | static int decode_reclaim_complete(struct xdr_stream *xdr, void *dummy) |
5690 | { | |
5691 | return decode_op_hdr(xdr, OP_RECLAIM_COMPLETE); | |
5692 | } | |
99fe60d0 BH |
5693 | #endif /* CONFIG_NFS_V4_1 */ |
5694 | ||
9b7b9fcc AA |
5695 | static int decode_sequence(struct xdr_stream *xdr, |
5696 | struct nfs4_sequence_res *res, | |
5697 | struct rpc_rqst *rqstp) | |
5698 | { | |
5699 | #if defined(CONFIG_NFS_V4_1) | |
e3725ec0 | 5700 | struct nfs4_session *session; |
fc01cea9 AA |
5701 | struct nfs4_sessionid id; |
5702 | u32 dummy; | |
5703 | int status; | |
5704 | __be32 *p; | |
5705 | ||
e3725ec0 | 5706 | if (res->sr_slot == NULL) |
9b7b9fcc | 5707 | return 0; |
3bd2384a CL |
5708 | if (!res->sr_slot->table->session) |
5709 | return 0; | |
9b7b9fcc | 5710 | |
fc01cea9 | 5711 | status = decode_op_hdr(xdr, OP_SEQUENCE); |
e78291e4 BH |
5712 | if (!status) |
5713 | status = decode_sessionid(xdr, &id); | |
5714 | if (unlikely(status)) | |
fc01cea9 | 5715 | goto out_err; |
9b7b9fcc | 5716 | |
fc01cea9 AA |
5717 | /* |
5718 | * If the server returns different values for sessionID, slotID or | |
5719 | * sequence number, the server is looney tunes. | |
5720 | */ | |
fdcb4577 | 5721 | status = -EREMOTEIO; |
e3725ec0 | 5722 | session = res->sr_slot->table->session; |
fc01cea9 | 5723 | |
e3725ec0 | 5724 | if (memcmp(id.data, session->sess_id.data, |
fc01cea9 AA |
5725 | NFS4_MAX_SESSIONID_LEN)) { |
5726 | dprintk("%s Invalid session id\n", __func__); | |
5727 | goto out_err; | |
5728 | } | |
e78291e4 | 5729 | |
c0eae66e BH |
5730 | p = xdr_inline_decode(xdr, 20); |
5731 | if (unlikely(!p)) | |
5732 | goto out_overflow; | |
e78291e4 | 5733 | |
fc01cea9 | 5734 | /* seqid */ |
6f723f77 | 5735 | dummy = be32_to_cpup(p++); |
dfb4f309 | 5736 | if (dummy != res->sr_slot->seq_nr) { |
fc01cea9 AA |
5737 | dprintk("%s Invalid sequence number\n", __func__); |
5738 | goto out_err; | |
5739 | } | |
5740 | /* slot id */ | |
6f723f77 | 5741 | dummy = be32_to_cpup(p++); |
df2fabff | 5742 | if (dummy != res->sr_slot->slot_nr) { |
fc01cea9 AA |
5743 | dprintk("%s Invalid slot id\n", __func__); |
5744 | goto out_err; | |
5745 | } | |
da0507b7 TM |
5746 | /* highest slot id */ |
5747 | res->sr_highest_slotid = be32_to_cpup(p++); | |
464ee9f9 TM |
5748 | /* target highest slot id */ |
5749 | res->sr_target_highest_slotid = be32_to_cpup(p++); | |
0629e370 AB |
5750 | /* result flags */ |
5751 | res->sr_status_flags = be32_to_cpup(p); | |
fc01cea9 AA |
5752 | status = 0; |
5753 | out_err: | |
5754 | res->sr_status = status; | |
5755 | return status; | |
c0eae66e BH |
5756 | out_overflow: |
5757 | print_overflow_msg(__func__, xdr); | |
5758 | status = -EIO; | |
5759 | goto out_err; | |
fc01cea9 | 5760 | #else /* CONFIG_NFS_V4_1 */ |
9b7b9fcc | 5761 | return 0; |
fc01cea9 | 5762 | #endif /* CONFIG_NFS_V4_1 */ |
9b7b9fcc AA |
5763 | } |
5764 | ||
b1f69b75 | 5765 | #if defined(CONFIG_NFS_V4_1) |
7f11d8d3 AA |
5766 | /* |
5767 | * TODO: Need to handle case when EOF != true; | |
5768 | */ | |
5769 | static int decode_getdevicelist(struct xdr_stream *xdr, | |
5770 | struct pnfs_devicelist *res) | |
5771 | { | |
5772 | __be32 *p; | |
5773 | int status, i; | |
98d94524 | 5774 | nfs4_verifier verftemp; |
7f11d8d3 AA |
5775 | |
5776 | status = decode_op_hdr(xdr, OP_GETDEVICELIST); | |
5777 | if (status) | |
5778 | return status; | |
5779 | ||
5780 | p = xdr_inline_decode(xdr, 8 + 8 + 4); | |
5781 | if (unlikely(!p)) | |
5782 | goto out_overflow; | |
5783 | ||
5784 | /* TODO: Skip cookie for now */ | |
5785 | p += 2; | |
5786 | ||
5787 | /* Read verifier */ | |
98d94524 | 5788 | p = xdr_decode_opaque_fixed(p, verftemp.data, NFS4_VERIFIER_SIZE); |
7f11d8d3 AA |
5789 | |
5790 | res->num_devs = be32_to_cpup(p); | |
5791 | ||
5792 | dprintk("%s: num_dev %d\n", __func__, res->num_devs); | |
5793 | ||
5794 | if (res->num_devs > NFS4_PNFS_GETDEVLIST_MAXNUM) { | |
a030889a | 5795 | printk(KERN_ERR "NFS: %s too many result dev_num %u\n", |
7f11d8d3 AA |
5796 | __func__, res->num_devs); |
5797 | return -EIO; | |
5798 | } | |
5799 | ||
5800 | p = xdr_inline_decode(xdr, | |
5801 | res->num_devs * NFS4_DEVICEID4_SIZE + 4); | |
5802 | if (unlikely(!p)) | |
5803 | goto out_overflow; | |
5804 | for (i = 0; i < res->num_devs; i++) | |
5805 | p = xdr_decode_opaque_fixed(p, res->dev_id[i].data, | |
5806 | NFS4_DEVICEID4_SIZE); | |
5807 | res->eof = be32_to_cpup(p); | |
5808 | return 0; | |
5809 | out_overflow: | |
5810 | print_overflow_msg(__func__, xdr); | |
5811 | return -EIO; | |
5812 | } | |
b1f69b75 AA |
5813 | |
5814 | static int decode_getdeviceinfo(struct xdr_stream *xdr, | |
5815 | struct pnfs_device *pdev) | |
5816 | { | |
5817 | __be32 *p; | |
5818 | uint32_t len, type; | |
5819 | int status; | |
5820 | ||
5821 | status = decode_op_hdr(xdr, OP_GETDEVICEINFO); | |
5822 | if (status) { | |
5823 | if (status == -ETOOSMALL) { | |
5824 | p = xdr_inline_decode(xdr, 4); | |
5825 | if (unlikely(!p)) | |
5826 | goto out_overflow; | |
5827 | pdev->mincount = be32_to_cpup(p); | |
5828 | dprintk("%s: Min count too small. mincnt = %u\n", | |
5829 | __func__, pdev->mincount); | |
5830 | } | |
5831 | return status; | |
5832 | } | |
5833 | ||
5834 | p = xdr_inline_decode(xdr, 8); | |
5835 | if (unlikely(!p)) | |
5836 | goto out_overflow; | |
5837 | type = be32_to_cpup(p++); | |
5838 | if (type != pdev->layout_type) { | |
5839 | dprintk("%s: layout mismatch req: %u pdev: %u\n", | |
5840 | __func__, pdev->layout_type, type); | |
5841 | return -EINVAL; | |
5842 | } | |
5843 | /* | |
5844 | * Get the length of the opaque device_addr4. xdr_read_pages places | |
5845 | * the opaque device_addr4 in the xdr_buf->pages (pnfs_device->pages) | |
5846 | * and places the remaining xdr data in xdr_buf->tail | |
5847 | */ | |
5848 | pdev->mincount = be32_to_cpup(p); | |
13fe4ba1 TM |
5849 | if (xdr_read_pages(xdr, pdev->mincount) != pdev->mincount) |
5850 | goto out_overflow; | |
b1f69b75 AA |
5851 | |
5852 | /* Parse notification bitmap, verifying that it is zero. */ | |
5853 | p = xdr_inline_decode(xdr, 4); | |
5854 | if (unlikely(!p)) | |
5855 | goto out_overflow; | |
5856 | len = be32_to_cpup(p); | |
5857 | if (len) { | |
ead00597 | 5858 | uint32_t i; |
b1f69b75 AA |
5859 | |
5860 | p = xdr_inline_decode(xdr, 4 * len); | |
5861 | if (unlikely(!p)) | |
5862 | goto out_overflow; | |
5863 | for (i = 0; i < len; i++, p++) { | |
5864 | if (be32_to_cpup(p)) { | |
5865 | dprintk("%s: notifications not supported\n", | |
5866 | __func__); | |
5867 | return -EIO; | |
5868 | } | |
5869 | } | |
5870 | } | |
5871 | return 0; | |
5872 | out_overflow: | |
5873 | print_overflow_msg(__func__, xdr); | |
5874 | return -EIO; | |
5875 | } | |
5876 | ||
5877 | static int decode_layoutget(struct xdr_stream *xdr, struct rpc_rqst *req, | |
5878 | struct nfs4_layoutget_res *res) | |
5879 | { | |
5880 | __be32 *p; | |
5881 | int status; | |
5882 | u32 layout_count; | |
64bd577e | 5883 | u32 recvd; |
b1f69b75 AA |
5884 | |
5885 | status = decode_op_hdr(xdr, OP_LAYOUTGET); | |
5886 | if (status) | |
5887 | return status; | |
ea9d23f5 TM |
5888 | p = xdr_inline_decode(xdr, 4); |
5889 | if (unlikely(!p)) | |
5890 | goto out_overflow; | |
5891 | res->return_on_close = be32_to_cpup(p); | |
5892 | decode_stateid(xdr, &res->stateid); | |
5893 | p = xdr_inline_decode(xdr, 4); | |
b1f69b75 AA |
5894 | if (unlikely(!p)) |
5895 | goto out_overflow; | |
b1f69b75 AA |
5896 | layout_count = be32_to_cpup(p); |
5897 | if (!layout_count) { | |
5898 | dprintk("%s: server responded with empty layout array\n", | |
5899 | __func__); | |
5900 | return -EINVAL; | |
5901 | } | |
5902 | ||
35124a09 | 5903 | p = xdr_inline_decode(xdr, 28); |
b1f69b75 AA |
5904 | if (unlikely(!p)) |
5905 | goto out_overflow; | |
5906 | p = xdr_decode_hyper(p, &res->range.offset); | |
5907 | p = xdr_decode_hyper(p, &res->range.length); | |
5908 | res->range.iomode = be32_to_cpup(p++); | |
5909 | res->type = be32_to_cpup(p++); | |
35124a09 | 5910 | res->layoutp->len = be32_to_cpup(p); |
b1f69b75 AA |
5911 | |
5912 | dprintk("%s roff:%lu rlen:%lu riomode:%d, lo_type:0x%x, lo.len:%d\n", | |
5913 | __func__, | |
5914 | (unsigned long)res->range.offset, | |
5915 | (unsigned long)res->range.length, | |
5916 | res->range.iomode, | |
5917 | res->type, | |
35124a09 WAA |
5918 | res->layoutp->len); |
5919 | ||
64bd577e | 5920 | recvd = xdr_read_pages(xdr, res->layoutp->len); |
35124a09 WAA |
5921 | if (res->layoutp->len > recvd) { |
5922 | dprintk("NFS: server cheating in layoutget reply: " | |
5923 | "layout len %u > recvd %u\n", | |
5924 | res->layoutp->len, recvd); | |
5925 | return -EINVAL; | |
5926 | } | |
b1f69b75 | 5927 | |
b1f69b75 AA |
5928 | if (layout_count > 1) { |
5929 | /* We only handle a length one array at the moment. Any | |
5930 | * further entries are just ignored. Note that this means | |
5931 | * the client may see a response that is less than the | |
5932 | * minimum it requested. | |
5933 | */ | |
5934 | dprintk("%s: server responded with %d layouts, dropping tail\n", | |
5935 | __func__, layout_count); | |
5936 | } | |
5937 | ||
5938 | return 0; | |
5939 | out_overflow: | |
5940 | print_overflow_msg(__func__, xdr); | |
5941 | return -EIO; | |
5942 | } | |
863a3c6c | 5943 | |
cbe82603 BH |
5944 | static int decode_layoutreturn(struct xdr_stream *xdr, |
5945 | struct nfs4_layoutreturn_res *res) | |
5946 | { | |
5947 | __be32 *p; | |
5948 | int status; | |
5949 | ||
5950 | status = decode_op_hdr(xdr, OP_LAYOUTRETURN); | |
5951 | if (status) | |
5952 | return status; | |
5953 | p = xdr_inline_decode(xdr, 4); | |
5954 | if (unlikely(!p)) | |
5955 | goto out_overflow; | |
5956 | res->lrs_present = be32_to_cpup(p); | |
5957 | if (res->lrs_present) | |
5958 | status = decode_stateid(xdr, &res->stateid); | |
5959 | return status; | |
5960 | out_overflow: | |
5961 | print_overflow_msg(__func__, xdr); | |
5962 | return -EIO; | |
5963 | } | |
5964 | ||
863a3c6c AA |
5965 | static int decode_layoutcommit(struct xdr_stream *xdr, |
5966 | struct rpc_rqst *req, | |
5967 | struct nfs4_layoutcommit_res *res) | |
5968 | { | |
5969 | __be32 *p; | |
5970 | __u32 sizechanged; | |
5971 | int status; | |
5972 | ||
5973 | status = decode_op_hdr(xdr, OP_LAYOUTCOMMIT); | |
db29c089 | 5974 | res->status = status; |
863a3c6c AA |
5975 | if (status) |
5976 | return status; | |
5977 | ||
5978 | p = xdr_inline_decode(xdr, 4); | |
5979 | if (unlikely(!p)) | |
5980 | goto out_overflow; | |
5981 | sizechanged = be32_to_cpup(p); | |
5982 | ||
5983 | if (sizechanged) { | |
5984 | /* throw away new size */ | |
5985 | p = xdr_inline_decode(xdr, 8); | |
5986 | if (unlikely(!p)) | |
5987 | goto out_overflow; | |
5988 | } | |
5989 | return 0; | |
5990 | out_overflow: | |
5991 | print_overflow_msg(__func__, xdr); | |
5992 | return -EIO; | |
5993 | } | |
7d974794 BS |
5994 | |
5995 | static int decode_test_stateid(struct xdr_stream *xdr, | |
5996 | struct nfs41_test_stateid_res *res) | |
5997 | { | |
5998 | __be32 *p; | |
5999 | int status; | |
6000 | int num_res; | |
6001 | ||
6002 | status = decode_op_hdr(xdr, OP_TEST_STATEID); | |
6003 | if (status) | |
6004 | return status; | |
6005 | ||
6006 | p = xdr_inline_decode(xdr, 4); | |
6007 | if (unlikely(!p)) | |
6008 | goto out_overflow; | |
6009 | num_res = be32_to_cpup(p++); | |
6010 | if (num_res != 1) | |
6011 | goto out; | |
6012 | ||
6013 | p = xdr_inline_decode(xdr, 4); | |
6014 | if (unlikely(!p)) | |
6015 | goto out_overflow; | |
6016 | res->status = be32_to_cpup(p++); | |
1cab0652 BS |
6017 | |
6018 | return status; | |
7d974794 BS |
6019 | out_overflow: |
6020 | print_overflow_msg(__func__, xdr); | |
6021 | out: | |
6022 | return -EIO; | |
6023 | } | |
9aeda35f BS |
6024 | |
6025 | static int decode_free_stateid(struct xdr_stream *xdr, | |
6026 | struct nfs41_free_stateid_res *res) | |
6027 | { | |
9f79fb48 | 6028 | res->status = decode_op_hdr(xdr, OP_FREE_STATEID); |
9aeda35f | 6029 | return res->status; |
9aeda35f | 6030 | } |
b1f69b75 AA |
6031 | #endif /* CONFIG_NFS_V4_1 */ |
6032 | ||
49c2559e BH |
6033 | /* |
6034 | * END OF "GENERIC" DECODE ROUTINES. | |
6035 | */ | |
6036 | ||
1da177e4 LT |
6037 | /* |
6038 | * Decode OPEN_DOWNGRADE response | |
6039 | */ | |
bf269551 CL |
6040 | static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst *rqstp, |
6041 | struct xdr_stream *xdr, | |
6042 | struct nfs_closeres *res) | |
1da177e4 | 6043 | { |
05d564fe AA |
6044 | struct compound_hdr hdr; |
6045 | int status; | |
6046 | ||
bf269551 | 6047 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6048 | if (status) |
6049 | goto out; | |
bf269551 | 6050 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6051 | if (status) |
6052 | goto out; | |
bf269551 | 6053 | status = decode_putfh(xdr); |
05d564fe AA |
6054 | if (status) |
6055 | goto out; | |
bf269551 | 6056 | status = decode_open_downgrade(xdr, res); |
516a6af6 TM |
6057 | if (status != 0) |
6058 | goto out; | |
6926afd1 | 6059 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 | 6060 | out: |
05d564fe | 6061 | return status; |
1da177e4 LT |
6062 | } |
6063 | ||
1da177e4 LT |
6064 | /* |
6065 | * Decode ACCESS response | |
6066 | */ | |
bf269551 CL |
6067 | static int nfs4_xdr_dec_access(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6068 | struct nfs4_accessres *res) | |
1da177e4 | 6069 | { |
1da177e4 LT |
6070 | struct compound_hdr hdr; |
6071 | int status; | |
6c0195a4 | 6072 | |
bf269551 | 6073 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6074 | if (status) |
6075 | goto out; | |
bf269551 | 6076 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6077 | if (status) |
1da177e4 | 6078 | goto out; |
bf269551 | 6079 | status = decode_putfh(xdr); |
76b32999 TM |
6080 | if (status != 0) |
6081 | goto out; | |
6168f62c | 6082 | status = decode_access(xdr, &res->supported, &res->access); |
76b32999 TM |
6083 | if (status != 0) |
6084 | goto out; | |
6926afd1 | 6085 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6086 | out: |
6087 | return status; | |
6088 | } | |
6089 | ||
6090 | /* | |
6091 | * Decode LOOKUP response | |
6092 | */ | |
bf269551 CL |
6093 | static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6094 | struct nfs4_lookup_res *res) | |
1da177e4 | 6095 | { |
1da177e4 LT |
6096 | struct compound_hdr hdr; |
6097 | int status; | |
6c0195a4 | 6098 | |
bf269551 | 6099 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6100 | if (status) |
6101 | goto out; | |
bf269551 | 6102 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6103 | if (status) |
1da177e4 | 6104 | goto out; |
bf269551 CL |
6105 | status = decode_putfh(xdr); |
6106 | if (status) | |
1da177e4 | 6107 | goto out; |
bf269551 CL |
6108 | status = decode_lookup(xdr); |
6109 | if (status) | |
1da177e4 | 6110 | goto out; |
bf269551 CL |
6111 | status = decode_getfh(xdr, res->fh); |
6112 | if (status) | |
1da177e4 | 6113 | goto out; |
aa9c2669 | 6114 | status = decode_getfattr_label(xdr, res->fattr, res->label, res->server); |
1da177e4 LT |
6115 | out: |
6116 | return status; | |
6117 | } | |
6118 | ||
6119 | /* | |
6120 | * Decode LOOKUP_ROOT response | |
6121 | */ | |
bf269551 CL |
6122 | static int nfs4_xdr_dec_lookup_root(struct rpc_rqst *rqstp, |
6123 | struct xdr_stream *xdr, | |
6124 | struct nfs4_lookup_res *res) | |
1da177e4 | 6125 | { |
1da177e4 LT |
6126 | struct compound_hdr hdr; |
6127 | int status; | |
6c0195a4 | 6128 | |
bf269551 | 6129 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6130 | if (status) |
6131 | goto out; | |
bf269551 | 6132 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6133 | if (status) |
1da177e4 | 6134 | goto out; |
bf269551 CL |
6135 | status = decode_putrootfh(xdr); |
6136 | if (status) | |
1da177e4 | 6137 | goto out; |
bf269551 CL |
6138 | status = decode_getfh(xdr, res->fh); |
6139 | if (status == 0) | |
aa9c2669 DQ |
6140 | status = decode_getfattr_label(xdr, res->fattr, |
6141 | res->label, res->server); | |
1da177e4 LT |
6142 | out: |
6143 | return status; | |
6144 | } | |
6145 | ||
6146 | /* | |
6147 | * Decode REMOVE response | |
6148 | */ | |
bf269551 CL |
6149 | static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6150 | struct nfs_removeres *res) | |
1da177e4 | 6151 | { |
1da177e4 LT |
6152 | struct compound_hdr hdr; |
6153 | int status; | |
6c0195a4 | 6154 | |
bf269551 | 6155 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6156 | if (status) |
6157 | goto out; | |
bf269551 | 6158 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6159 | if (status) |
1da177e4 | 6160 | goto out; |
bf269551 CL |
6161 | status = decode_putfh(xdr); |
6162 | if (status) | |
16e42959 | 6163 | goto out; |
bf269551 | 6164 | status = decode_remove(xdr, &res->cinfo); |
1da177e4 LT |
6165 | out: |
6166 | return status; | |
6167 | } | |
6168 | ||
6169 | /* | |
6170 | * Decode RENAME response | |
6171 | */ | |
bf269551 CL |
6172 | static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6173 | struct nfs_renameres *res) | |
1da177e4 | 6174 | { |
1da177e4 LT |
6175 | struct compound_hdr hdr; |
6176 | int status; | |
6c0195a4 | 6177 | |
bf269551 | 6178 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6179 | if (status) |
6180 | goto out; | |
bf269551 | 6181 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6182 | if (status) |
1da177e4 | 6183 | goto out; |
bf269551 CL |
6184 | status = decode_putfh(xdr); |
6185 | if (status) | |
1da177e4 | 6186 | goto out; |
bf269551 CL |
6187 | status = decode_savefh(xdr); |
6188 | if (status) | |
1da177e4 | 6189 | goto out; |
bf269551 CL |
6190 | status = decode_putfh(xdr); |
6191 | if (status) | |
1da177e4 | 6192 | goto out; |
bf269551 | 6193 | status = decode_rename(xdr, &res->old_cinfo, &res->new_cinfo); |
1da177e4 LT |
6194 | out: |
6195 | return status; | |
6196 | } | |
6197 | ||
6198 | /* | |
6199 | * Decode LINK response | |
6200 | */ | |
bf269551 CL |
6201 | static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6202 | struct nfs4_link_res *res) | |
1da177e4 | 6203 | { |
1da177e4 LT |
6204 | struct compound_hdr hdr; |
6205 | int status; | |
6c0195a4 | 6206 | |
bf269551 | 6207 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6208 | if (status) |
6209 | goto out; | |
bf269551 | 6210 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6211 | if (status) |
1da177e4 | 6212 | goto out; |
bf269551 CL |
6213 | status = decode_putfh(xdr); |
6214 | if (status) | |
1da177e4 | 6215 | goto out; |
bf269551 CL |
6216 | status = decode_savefh(xdr); |
6217 | if (status) | |
1da177e4 | 6218 | goto out; |
bf269551 CL |
6219 | status = decode_putfh(xdr); |
6220 | if (status) | |
1da177e4 | 6221 | goto out; |
bf269551 CL |
6222 | status = decode_link(xdr, &res->cinfo); |
6223 | if (status) | |
91ba2eee TM |
6224 | goto out; |
6225 | /* | |
6226 | * Note order: OP_LINK leaves the directory as the current | |
6227 | * filehandle. | |
6228 | */ | |
bf269551 CL |
6229 | status = decode_restorefh(xdr); |
6230 | if (status) | |
91ba2eee | 6231 | goto out; |
aa9c2669 | 6232 | decode_getfattr_label(xdr, res->fattr, res->label, res->server); |
1da177e4 LT |
6233 | out: |
6234 | return status; | |
6235 | } | |
6236 | ||
6237 | /* | |
6238 | * Decode CREATE response | |
6239 | */ | |
bf269551 CL |
6240 | static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6241 | struct nfs4_create_res *res) | |
1da177e4 | 6242 | { |
1da177e4 LT |
6243 | struct compound_hdr hdr; |
6244 | int status; | |
6c0195a4 | 6245 | |
bf269551 | 6246 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6247 | if (status) |
6248 | goto out; | |
bf269551 | 6249 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6250 | if (status) |
1da177e4 | 6251 | goto out; |
bf269551 | 6252 | status = decode_putfh(xdr); |
bf269551 | 6253 | if (status) |
56ae19f3 | 6254 | goto out; |
bf269551 CL |
6255 | status = decode_create(xdr, &res->dir_cinfo); |
6256 | if (status) | |
1da177e4 | 6257 | goto out; |
bf269551 CL |
6258 | status = decode_getfh(xdr, res->fh); |
6259 | if (status) | |
1da177e4 | 6260 | goto out; |
aa9c2669 | 6261 | decode_getfattr_label(xdr, res->fattr, res->label, res->server); |
1da177e4 LT |
6262 | out: |
6263 | return status; | |
6264 | } | |
6265 | ||
6266 | /* | |
6267 | * Decode SYMLINK response | |
6268 | */ | |
bf269551 CL |
6269 | static int nfs4_xdr_dec_symlink(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6270 | struct nfs4_create_res *res) | |
1da177e4 | 6271 | { |
bf269551 | 6272 | return nfs4_xdr_dec_create(rqstp, xdr, res); |
1da177e4 LT |
6273 | } |
6274 | ||
6275 | /* | |
6276 | * Decode GETATTR response | |
6277 | */ | |
bf269551 CL |
6278 | static int nfs4_xdr_dec_getattr(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6279 | struct nfs4_getattr_res *res) | |
1da177e4 | 6280 | { |
1da177e4 LT |
6281 | struct compound_hdr hdr; |
6282 | int status; | |
6c0195a4 | 6283 | |
bf269551 | 6284 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6285 | if (status) |
6286 | goto out; | |
bf269551 | 6287 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6288 | if (status) |
6289 | goto out; | |
bf269551 | 6290 | status = decode_putfh(xdr); |
1da177e4 LT |
6291 | if (status) |
6292 | goto out; | |
aa9c2669 | 6293 | status = decode_getfattr_label(xdr, res->fattr, res->label, res->server); |
1da177e4 LT |
6294 | out: |
6295 | return status; | |
1da177e4 LT |
6296 | } |
6297 | ||
23ec6965 BF |
6298 | /* |
6299 | * Encode an SETACL request | |
6300 | */ | |
9f06c719 CL |
6301 | static void nfs4_xdr_enc_setacl(struct rpc_rqst *req, struct xdr_stream *xdr, |
6302 | struct nfs_setaclargs *args) | |
23ec6965 | 6303 | { |
05d564fe | 6304 | struct compound_hdr hdr = { |
66cc0429 | 6305 | .minorversion = nfs4_xdr_minorversion(&args->seq_args), |
05d564fe | 6306 | }; |
05d564fe | 6307 | |
9f06c719 CL |
6308 | encode_compound_hdr(xdr, req, &hdr); |
6309 | encode_sequence(xdr, &args->seq_args, &hdr); | |
6310 | encode_putfh(xdr, args->fh, &hdr); | |
6311 | encode_setacl(xdr, args, &hdr); | |
d017931c | 6312 | encode_nops(&hdr); |
23ec6965 | 6313 | } |
05d564fe | 6314 | |
23ec6965 BF |
6315 | /* |
6316 | * Decode SETACL response | |
6317 | */ | |
6318 | static int | |
bf269551 | 6319 | nfs4_xdr_dec_setacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
73c403a9 | 6320 | struct nfs_setaclres *res) |
23ec6965 | 6321 | { |
23ec6965 BF |
6322 | struct compound_hdr hdr; |
6323 | int status; | |
6324 | ||
bf269551 | 6325 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6326 | if (status) |
6327 | goto out; | |
bf269551 | 6328 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
23ec6965 BF |
6329 | if (status) |
6330 | goto out; | |
bf269551 | 6331 | status = decode_putfh(xdr); |
23ec6965 BF |
6332 | if (status) |
6333 | goto out; | |
bf269551 | 6334 | status = decode_setattr(xdr); |
23ec6965 BF |
6335 | out: |
6336 | return status; | |
6337 | } | |
1da177e4 | 6338 | |
029d105e BF |
6339 | /* |
6340 | * Decode GETACL response | |
6341 | */ | |
6342 | static int | |
bf269551 | 6343 | nfs4_xdr_dec_getacl(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
663c79b3 | 6344 | struct nfs_getaclres *res) |
029d105e | 6345 | { |
029d105e BF |
6346 | struct compound_hdr hdr; |
6347 | int status; | |
6348 | ||
331818f1 TM |
6349 | if (res->acl_scratch != NULL) { |
6350 | void *p = page_address(res->acl_scratch); | |
6351 | xdr_set_scratch_buffer(xdr, p, PAGE_SIZE); | |
6352 | } | |
bf269551 | 6353 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6354 | if (status) |
6355 | goto out; | |
bf269551 | 6356 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
029d105e BF |
6357 | if (status) |
6358 | goto out; | |
bf269551 | 6359 | status = decode_putfh(xdr); |
029d105e BF |
6360 | if (status) |
6361 | goto out; | |
bf118a34 | 6362 | status = decode_getacl(xdr, rqstp, res); |
029d105e BF |
6363 | |
6364 | out: | |
6365 | return status; | |
6366 | } | |
6367 | ||
1da177e4 LT |
6368 | /* |
6369 | * Decode CLOSE response | |
6370 | */ | |
bf269551 CL |
6371 | static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6372 | struct nfs_closeres *res) | |
1da177e4 | 6373 | { |
05d564fe AA |
6374 | struct compound_hdr hdr; |
6375 | int status; | |
6376 | ||
bf269551 | 6377 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6378 | if (status) |
6379 | goto out; | |
bf269551 | 6380 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6381 | if (status) |
6382 | goto out; | |
bf269551 | 6383 | status = decode_putfh(xdr); |
05d564fe AA |
6384 | if (status) |
6385 | goto out; | |
bf269551 | 6386 | status = decode_close(xdr, res); |
516a6af6 TM |
6387 | if (status != 0) |
6388 | goto out; | |
6389 | /* | |
6390 | * Note: Server may do delete on close for this file | |
6391 | * in which case the getattr call will fail with | |
6392 | * an ESTALE error. Shouldn't be a problem, | |
6393 | * though, since fattr->valid will remain unset. | |
6394 | */ | |
6926afd1 | 6395 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 | 6396 | out: |
05d564fe | 6397 | return status; |
1da177e4 LT |
6398 | } |
6399 | ||
6400 | /* | |
6401 | * Decode OPEN response | |
6402 | */ | |
bf269551 CL |
6403 | static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6404 | struct nfs_openres *res) | |
1da177e4 | 6405 | { |
05d564fe AA |
6406 | struct compound_hdr hdr; |
6407 | int status; | |
6408 | ||
bf269551 | 6409 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6410 | if (status) |
6411 | goto out; | |
bf269551 | 6412 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6413 | if (status) |
6414 | goto out; | |
bf269551 | 6415 | status = decode_putfh(xdr); |
05d564fe AA |
6416 | if (status) |
6417 | goto out; | |
bf269551 | 6418 | status = decode_open(xdr, res); |
56ae19f3 TM |
6419 | if (status) |
6420 | goto out; | |
01913b49 WAA |
6421 | status = decode_getfh(xdr, &res->fh); |
6422 | if (status) | |
1da177e4 | 6423 | goto out; |
ae2bb032 WAA |
6424 | if (res->access_request) |
6425 | decode_access(xdr, &res->access_supported, &res->access_result); | |
aa9c2669 | 6426 | decode_getfattr_label(xdr, res->f_attr, res->f_label, res->server); |
1da177e4 | 6427 | out: |
05d564fe | 6428 | return status; |
1da177e4 LT |
6429 | } |
6430 | ||
6431 | /* | |
6432 | * Decode OPEN_CONFIRM response | |
6433 | */ | |
bf269551 CL |
6434 | static int nfs4_xdr_dec_open_confirm(struct rpc_rqst *rqstp, |
6435 | struct xdr_stream *xdr, | |
6436 | struct nfs_open_confirmres *res) | |
1da177e4 | 6437 | { |
05d564fe AA |
6438 | struct compound_hdr hdr; |
6439 | int status; | |
6440 | ||
bf269551 | 6441 | status = decode_compound_hdr(xdr, &hdr); |
05d564fe AA |
6442 | if (status) |
6443 | goto out; | |
bf269551 | 6444 | status = decode_putfh(xdr); |
05d564fe AA |
6445 | if (status) |
6446 | goto out; | |
bf269551 | 6447 | status = decode_open_confirm(xdr, res); |
1da177e4 | 6448 | out: |
05d564fe | 6449 | return status; |
1da177e4 LT |
6450 | } |
6451 | ||
6452 | /* | |
6453 | * Decode OPEN response | |
6454 | */ | |
bf269551 CL |
6455 | static int nfs4_xdr_dec_open_noattr(struct rpc_rqst *rqstp, |
6456 | struct xdr_stream *xdr, | |
6457 | struct nfs_openres *res) | |
1da177e4 | 6458 | { |
05d564fe AA |
6459 | struct compound_hdr hdr; |
6460 | int status; | |
6461 | ||
bf269551 | 6462 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6463 | if (status) |
6464 | goto out; | |
bf269551 | 6465 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6466 | if (status) |
6467 | goto out; | |
bf269551 | 6468 | status = decode_putfh(xdr); |
05d564fe AA |
6469 | if (status) |
6470 | goto out; | |
bf269551 | 6471 | status = decode_open(xdr, res); |
05d564fe AA |
6472 | if (status) |
6473 | goto out; | |
ae2bb032 WAA |
6474 | if (res->access_request) |
6475 | decode_access(xdr, &res->access_supported, &res->access_result); | |
6926afd1 | 6476 | decode_getfattr(xdr, res->f_attr, res->server); |
1da177e4 | 6477 | out: |
05d564fe | 6478 | return status; |
1da177e4 LT |
6479 | } |
6480 | ||
6481 | /* | |
6482 | * Decode SETATTR response | |
6483 | */ | |
bf269551 CL |
6484 | static int nfs4_xdr_dec_setattr(struct rpc_rqst *rqstp, |
6485 | struct xdr_stream *xdr, | |
6486 | struct nfs_setattrres *res) | |
1da177e4 | 6487 | { |
05d564fe AA |
6488 | struct compound_hdr hdr; |
6489 | int status; | |
6490 | ||
bf269551 | 6491 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6492 | if (status) |
6493 | goto out; | |
bf269551 | 6494 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
05d564fe AA |
6495 | if (status) |
6496 | goto out; | |
bf269551 | 6497 | status = decode_putfh(xdr); |
05d564fe AA |
6498 | if (status) |
6499 | goto out; | |
bf269551 | 6500 | status = decode_setattr(xdr); |
05d564fe AA |
6501 | if (status) |
6502 | goto out; | |
aa9c2669 | 6503 | decode_getfattr_label(xdr, res->fattr, res->label, res->server); |
1da177e4 | 6504 | out: |
05d564fe | 6505 | return status; |
1da177e4 LT |
6506 | } |
6507 | ||
6508 | /* | |
6509 | * Decode LOCK response | |
6510 | */ | |
bf269551 CL |
6511 | static int nfs4_xdr_dec_lock(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6512 | struct nfs_lock_res *res) | |
1da177e4 | 6513 | { |
1da177e4 LT |
6514 | struct compound_hdr hdr; |
6515 | int status; | |
6516 | ||
bf269551 | 6517 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6518 | if (status) |
6519 | goto out; | |
bf269551 | 6520 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6521 | if (status) |
6522 | goto out; | |
bf269551 | 6523 | status = decode_putfh(xdr); |
1da177e4 LT |
6524 | if (status) |
6525 | goto out; | |
bf269551 | 6526 | status = decode_lock(xdr, res); |
1da177e4 LT |
6527 | out: |
6528 | return status; | |
6529 | } | |
6530 | ||
6531 | /* | |
6532 | * Decode LOCKT response | |
6533 | */ | |
bf269551 CL |
6534 | static int nfs4_xdr_dec_lockt(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6535 | struct nfs_lockt_res *res) | |
1da177e4 | 6536 | { |
1da177e4 LT |
6537 | struct compound_hdr hdr; |
6538 | int status; | |
6539 | ||
bf269551 | 6540 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6541 | if (status) |
6542 | goto out; | |
bf269551 | 6543 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6544 | if (status) |
6545 | goto out; | |
bf269551 | 6546 | status = decode_putfh(xdr); |
1da177e4 LT |
6547 | if (status) |
6548 | goto out; | |
bf269551 | 6549 | status = decode_lockt(xdr, res); |
1da177e4 LT |
6550 | out: |
6551 | return status; | |
6552 | } | |
6553 | ||
6554 | /* | |
6555 | * Decode LOCKU response | |
6556 | */ | |
bf269551 CL |
6557 | static int nfs4_xdr_dec_locku(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6558 | struct nfs_locku_res *res) | |
1da177e4 | 6559 | { |
1da177e4 LT |
6560 | struct compound_hdr hdr; |
6561 | int status; | |
6562 | ||
bf269551 | 6563 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6564 | if (status) |
6565 | goto out; | |
bf269551 | 6566 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6567 | if (status) |
6568 | goto out; | |
bf269551 | 6569 | status = decode_putfh(xdr); |
1da177e4 LT |
6570 | if (status) |
6571 | goto out; | |
bf269551 | 6572 | status = decode_locku(xdr, res); |
1da177e4 LT |
6573 | out: |
6574 | return status; | |
6575 | } | |
6576 | ||
bf269551 CL |
6577 | static int nfs4_xdr_dec_release_lockowner(struct rpc_rqst *rqstp, |
6578 | struct xdr_stream *xdr, void *dummy) | |
d3c7b7cc | 6579 | { |
d3c7b7cc TM |
6580 | struct compound_hdr hdr; |
6581 | int status; | |
6582 | ||
bf269551 | 6583 | status = decode_compound_hdr(xdr, &hdr); |
d3c7b7cc | 6584 | if (!status) |
bf269551 | 6585 | status = decode_release_lockowner(xdr); |
d3c7b7cc TM |
6586 | return status; |
6587 | } | |
6588 | ||
1da177e4 LT |
6589 | /* |
6590 | * Decode READLINK response | |
6591 | */ | |
bf269551 CL |
6592 | static int nfs4_xdr_dec_readlink(struct rpc_rqst *rqstp, |
6593 | struct xdr_stream *xdr, | |
f50c7000 | 6594 | struct nfs4_readlink_res *res) |
1da177e4 | 6595 | { |
1da177e4 LT |
6596 | struct compound_hdr hdr; |
6597 | int status; | |
6598 | ||
bf269551 | 6599 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6600 | if (status) |
6601 | goto out; | |
bf269551 | 6602 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6603 | if (status) |
6604 | goto out; | |
bf269551 | 6605 | status = decode_putfh(xdr); |
1da177e4 LT |
6606 | if (status) |
6607 | goto out; | |
bf269551 | 6608 | status = decode_readlink(xdr, rqstp); |
1da177e4 LT |
6609 | out: |
6610 | return status; | |
6611 | } | |
6612 | ||
6613 | /* | |
6614 | * Decode READDIR response | |
6615 | */ | |
bf269551 CL |
6616 | static int nfs4_xdr_dec_readdir(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6617 | struct nfs4_readdir_res *res) | |
1da177e4 | 6618 | { |
1da177e4 LT |
6619 | struct compound_hdr hdr; |
6620 | int status; | |
6621 | ||
bf269551 | 6622 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6623 | if (status) |
6624 | goto out; | |
bf269551 | 6625 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6626 | if (status) |
6627 | goto out; | |
bf269551 | 6628 | status = decode_putfh(xdr); |
1da177e4 LT |
6629 | if (status) |
6630 | goto out; | |
bf269551 | 6631 | status = decode_readdir(xdr, rqstp, res); |
1da177e4 LT |
6632 | out: |
6633 | return status; | |
6634 | } | |
6635 | ||
6636 | /* | |
6637 | * Decode Read response | |
6638 | */ | |
bf269551 CL |
6639 | static int nfs4_xdr_dec_read(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6640 | struct nfs_readres *res) | |
1da177e4 | 6641 | { |
1da177e4 LT |
6642 | struct compound_hdr hdr; |
6643 | int status; | |
6644 | ||
bf269551 | 6645 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6646 | if (status) |
6647 | goto out; | |
bf269551 | 6648 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6649 | if (status) |
6650 | goto out; | |
bf269551 | 6651 | status = decode_putfh(xdr); |
1da177e4 LT |
6652 | if (status) |
6653 | goto out; | |
bf269551 | 6654 | status = decode_read(xdr, rqstp, res); |
1da177e4 LT |
6655 | if (!status) |
6656 | status = res->count; | |
6657 | out: | |
6658 | return status; | |
6659 | } | |
6660 | ||
6661 | /* | |
6662 | * Decode WRITE response | |
6663 | */ | |
bf269551 CL |
6664 | static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6665 | struct nfs_writeres *res) | |
1da177e4 | 6666 | { |
1da177e4 LT |
6667 | struct compound_hdr hdr; |
6668 | int status; | |
6669 | ||
bf269551 | 6670 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6671 | if (status) |
6672 | goto out; | |
bf269551 | 6673 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6674 | if (status) |
6675 | goto out; | |
bf269551 | 6676 | status = decode_putfh(xdr); |
1da177e4 LT |
6677 | if (status) |
6678 | goto out; | |
bf269551 | 6679 | status = decode_write(xdr, res); |
4f9838c7 TM |
6680 | if (status) |
6681 | goto out; | |
7ffd1064 | 6682 | if (res->fattr) |
6926afd1 | 6683 | decode_getfattr(xdr, res->fattr, res->server); |
1da177e4 LT |
6684 | if (!status) |
6685 | status = res->count; | |
6686 | out: | |
6687 | return status; | |
6688 | } | |
6689 | ||
6690 | /* | |
6691 | * Decode COMMIT response | |
6692 | */ | |
bf269551 | 6693 | static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
0b7c0153 | 6694 | struct nfs_commitres *res) |
1da177e4 | 6695 | { |
1da177e4 LT |
6696 | struct compound_hdr hdr; |
6697 | int status; | |
6698 | ||
bf269551 | 6699 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6700 | if (status) |
6701 | goto out; | |
bf269551 | 6702 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
1da177e4 LT |
6703 | if (status) |
6704 | goto out; | |
bf269551 | 6705 | status = decode_putfh(xdr); |
1da177e4 LT |
6706 | if (status) |
6707 | goto out; | |
bf269551 | 6708 | status = decode_commit(xdr, res); |
1da177e4 LT |
6709 | out: |
6710 | return status; | |
6711 | } | |
6712 | ||
6713 | /* | |
8b173218 | 6714 | * Decode FSINFO response |
1da177e4 | 6715 | */ |
bf269551 | 6716 | static int nfs4_xdr_dec_fsinfo(struct rpc_rqst *req, struct xdr_stream *xdr, |
3dda5e43 | 6717 | struct nfs4_fsinfo_res *res) |
1da177e4 | 6718 | { |
1da177e4 LT |
6719 | struct compound_hdr hdr; |
6720 | int status; | |
6721 | ||
bf269551 | 6722 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6723 | if (!status) |
bf269551 | 6724 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6725 | if (!status) |
bf269551 | 6726 | status = decode_putfh(xdr); |
1da177e4 | 6727 | if (!status) |
bf269551 | 6728 | status = decode_fsinfo(xdr, res->fsinfo); |
1da177e4 LT |
6729 | return status; |
6730 | } | |
6731 | ||
6732 | /* | |
8b173218 | 6733 | * Decode PATHCONF response |
1da177e4 | 6734 | */ |
bf269551 | 6735 | static int nfs4_xdr_dec_pathconf(struct rpc_rqst *req, struct xdr_stream *xdr, |
d45b2989 | 6736 | struct nfs4_pathconf_res *res) |
1da177e4 | 6737 | { |
1da177e4 LT |
6738 | struct compound_hdr hdr; |
6739 | int status; | |
6740 | ||
bf269551 | 6741 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6742 | if (!status) |
bf269551 | 6743 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6744 | if (!status) |
bf269551 | 6745 | status = decode_putfh(xdr); |
1da177e4 | 6746 | if (!status) |
bf269551 | 6747 | status = decode_pathconf(xdr, res->pathconf); |
1da177e4 LT |
6748 | return status; |
6749 | } | |
6750 | ||
6751 | /* | |
8b173218 | 6752 | * Decode STATFS response |
1da177e4 | 6753 | */ |
bf269551 | 6754 | static int nfs4_xdr_dec_statfs(struct rpc_rqst *req, struct xdr_stream *xdr, |
24ad148a | 6755 | struct nfs4_statfs_res *res) |
1da177e4 | 6756 | { |
1da177e4 LT |
6757 | struct compound_hdr hdr; |
6758 | int status; | |
6759 | ||
bf269551 | 6760 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc | 6761 | if (!status) |
bf269551 | 6762 | status = decode_sequence(xdr, &res->seq_res, req); |
1da177e4 | 6763 | if (!status) |
bf269551 | 6764 | status = decode_putfh(xdr); |
1da177e4 | 6765 | if (!status) |
bf269551 | 6766 | status = decode_statfs(xdr, res->fsstat); |
1da177e4 LT |
6767 | return status; |
6768 | } | |
6769 | ||
6770 | /* | |
8b173218 | 6771 | * Decode GETATTR_BITMAP response |
1da177e4 | 6772 | */ |
bf269551 CL |
6773 | static int nfs4_xdr_dec_server_caps(struct rpc_rqst *req, |
6774 | struct xdr_stream *xdr, | |
6775 | struct nfs4_server_caps_res *res) | |
1da177e4 | 6776 | { |
1da177e4 LT |
6777 | struct compound_hdr hdr; |
6778 | int status; | |
6779 | ||
bf269551 | 6780 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6781 | if (status) |
6782 | goto out; | |
bf269551 | 6783 | status = decode_sequence(xdr, &res->seq_res, req); |
9b7b9fcc | 6784 | if (status) |
1da177e4 | 6785 | goto out; |
bf269551 CL |
6786 | status = decode_putfh(xdr); |
6787 | if (status) | |
1da177e4 | 6788 | goto out; |
bf269551 | 6789 | status = decode_server_caps(xdr, res); |
1da177e4 LT |
6790 | out: |
6791 | return status; | |
6792 | } | |
6793 | ||
6794 | /* | |
6795 | * Decode RENEW response | |
6796 | */ | |
bf269551 CL |
6797 | static int nfs4_xdr_dec_renew(struct rpc_rqst *rqstp, struct xdr_stream *xdr, |
6798 | void *__unused) | |
1da177e4 | 6799 | { |
1da177e4 LT |
6800 | struct compound_hdr hdr; |
6801 | int status; | |
6802 | ||
bf269551 | 6803 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6804 | if (!status) |
bf269551 | 6805 | status = decode_renew(xdr); |
1da177e4 LT |
6806 | return status; |
6807 | } | |
6808 | ||
6809 | /* | |
8b173218 | 6810 | * Decode SETCLIENTID response |
1da177e4 | 6811 | */ |
bf269551 CL |
6812 | static int nfs4_xdr_dec_setclientid(struct rpc_rqst *req, |
6813 | struct xdr_stream *xdr, | |
6814 | struct nfs4_setclientid_res *res) | |
1da177e4 | 6815 | { |
1da177e4 LT |
6816 | struct compound_hdr hdr; |
6817 | int status; | |
6818 | ||
bf269551 | 6819 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6820 | if (!status) |
bf269551 | 6821 | status = decode_setclientid(xdr, res); |
1da177e4 LT |
6822 | return status; |
6823 | } | |
6824 | ||
6825 | /* | |
8b173218 | 6826 | * Decode SETCLIENTID_CONFIRM response |
1da177e4 | 6827 | */ |
bf269551 | 6828 | static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst *req, |
83ca7f5a | 6829 | struct xdr_stream *xdr) |
1da177e4 | 6830 | { |
1da177e4 LT |
6831 | struct compound_hdr hdr; |
6832 | int status; | |
6833 | ||
bf269551 | 6834 | status = decode_compound_hdr(xdr, &hdr); |
1da177e4 | 6835 | if (!status) |
bf269551 | 6836 | status = decode_setclientid_confirm(xdr); |
1da177e4 LT |
6837 | return status; |
6838 | } | |
6839 | ||
6840 | /* | |
8b173218 | 6841 | * Decode DELEGRETURN response |
1da177e4 | 6842 | */ |
bf269551 CL |
6843 | static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, |
6844 | struct xdr_stream *xdr, | |
6845 | struct nfs4_delegreturnres *res) | |
1da177e4 | 6846 | { |
1da177e4 LT |
6847 | struct compound_hdr hdr; |
6848 | int status; | |
6849 | ||
bf269551 | 6850 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6851 | if (status) |
6852 | goto out; | |
bf269551 | 6853 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
9b7b9fcc | 6854 | if (status) |
fa178f29 | 6855 | goto out; |
bf269551 | 6856 | status = decode_putfh(xdr); |
fa178f29 TM |
6857 | if (status != 0) |
6858 | goto out; | |
e144cbcc | 6859 | status = decode_getfattr(xdr, res->fattr, res->server); |
556ae3bb JL |
6860 | if (status != 0) |
6861 | goto out; | |
e144cbcc | 6862 | status = decode_delegreturn(xdr); |
fa178f29 | 6863 | out: |
1da177e4 LT |
6864 | return status; |
6865 | } | |
6866 | ||
683b57b4 | 6867 | /* |
8b173218 | 6868 | * Decode FS_LOCATIONS response |
683b57b4 | 6869 | */ |
bf269551 CL |
6870 | static int nfs4_xdr_dec_fs_locations(struct rpc_rqst *req, |
6871 | struct xdr_stream *xdr, | |
22958463 | 6872 | struct nfs4_fs_locations_res *res) |
683b57b4 | 6873 | { |
683b57b4 TM |
6874 | struct compound_hdr hdr; |
6875 | int status; | |
6876 | ||
bf269551 | 6877 | status = decode_compound_hdr(xdr, &hdr); |
9b7b9fcc AA |
6878 | if (status) |
6879 | goto out; | |
bf269551 | 6880 | status = decode_sequence(xdr, &res->seq_res, req); |
9b7b9fcc | 6881 | if (status) |
683b57b4 | 6882 | goto out; |
bf269551 CL |
6883 | status = decode_putfh(xdr); |
6884 | if (status) | |
683b57b4 | 6885 | goto out; |
b03d735b CL |
6886 | if (res->migration) { |
6887 | xdr_enter_page(xdr, PAGE_SIZE); | |
6888 | status = decode_getfattr_generic(xdr, | |
6889 | &res->fs_locations->fattr, | |
8b7e3f49 | 6890 | NULL, res->fs_locations, |
aa9c2669 | 6891 | NULL, res->fs_locations->server); |
b03d735b CL |
6892 | if (status) |
6893 | goto out; | |
6894 | if (res->renew) | |
6895 | status = decode_renew(xdr); | |
6896 | } else { | |
6897 | status = decode_lookup(xdr); | |
6898 | if (status) | |
6899 | goto out; | |
6900 | xdr_enter_page(xdr, PAGE_SIZE); | |
6901 | status = decode_getfattr_generic(xdr, | |
6902 | &res->fs_locations->fattr, | |
6903 | NULL, res->fs_locations, | |
6904 | NULL, res->fs_locations->server); | |
6905 | } | |
683b57b4 TM |
6906 | out: |
6907 | return status; | |
6908 | } | |
6909 | ||
5a5ea0d4 BS |
6910 | /* |
6911 | * Decode SECINFO response | |
6912 | */ | |
6913 | static int nfs4_xdr_dec_secinfo(struct rpc_rqst *rqstp, | |
6914 | struct xdr_stream *xdr, | |
6915 | struct nfs4_secinfo_res *res) | |
6916 | { | |
6917 | struct compound_hdr hdr; | |
6918 | int status; | |
6919 | ||
6920 | status = decode_compound_hdr(xdr, &hdr); | |
6921 | if (status) | |
6922 | goto out; | |
6923 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6924 | if (status) | |
6925 | goto out; | |
6926 | status = decode_putfh(xdr); | |
6927 | if (status) | |
6928 | goto out; | |
6929 | status = decode_secinfo(xdr, res); | |
5a5ea0d4 BS |
6930 | out: |
6931 | return status; | |
6932 | } | |
6933 | ||
44c99933 CL |
6934 | /* |
6935 | * Decode FSID_PRESENT response | |
6936 | */ | |
6937 | static int nfs4_xdr_dec_fsid_present(struct rpc_rqst *rqstp, | |
6938 | struct xdr_stream *xdr, | |
6939 | struct nfs4_fsid_present_res *res) | |
6940 | { | |
6941 | struct compound_hdr hdr; | |
6942 | int status; | |
6943 | ||
6944 | status = decode_compound_hdr(xdr, &hdr); | |
6945 | if (status) | |
6946 | goto out; | |
6947 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
6948 | if (status) | |
6949 | goto out; | |
6950 | status = decode_putfh(xdr); | |
6951 | if (status) | |
6952 | goto out; | |
6953 | status = decode_getfh(xdr, res->fh); | |
6954 | if (status) | |
6955 | goto out; | |
6956 | if (res->renew) | |
6957 | status = decode_renew(xdr); | |
6958 | out: | |
6959 | return status; | |
6960 | } | |
6961 | ||
99fe60d0 | 6962 | #if defined(CONFIG_NFS_V4_1) |
7c44f1ae WAA |
6963 | /* |
6964 | * Decode BIND_CONN_TO_SESSION response | |
6965 | */ | |
6966 | static int nfs4_xdr_dec_bind_conn_to_session(struct rpc_rqst *rqstp, | |
6967 | struct xdr_stream *xdr, | |
6968 | void *res) | |
6969 | { | |
6970 | struct compound_hdr hdr; | |
6971 | int status; | |
6972 | ||
6973 | status = decode_compound_hdr(xdr, &hdr); | |
6974 | if (!status) | |
6975 | status = decode_bind_conn_to_session(xdr, res); | |
6976 | return status; | |
6977 | } | |
6978 | ||
99fe60d0 | 6979 | /* |
8b173218 | 6980 | * Decode EXCHANGE_ID response |
99fe60d0 | 6981 | */ |
bf269551 CL |
6982 | static int nfs4_xdr_dec_exchange_id(struct rpc_rqst *rqstp, |
6983 | struct xdr_stream *xdr, | |
99fe60d0 BH |
6984 | void *res) |
6985 | { | |
99fe60d0 BH |
6986 | struct compound_hdr hdr; |
6987 | int status; | |
6988 | ||
bf269551 | 6989 | status = decode_compound_hdr(xdr, &hdr); |
99fe60d0 | 6990 | if (!status) |
bf269551 | 6991 | status = decode_exchange_id(xdr, res); |
99fe60d0 BH |
6992 | return status; |
6993 | } | |
2050f0cc | 6994 | |
fc931582 | 6995 | /* |
8b173218 | 6996 | * Decode CREATE_SESSION response |
fc931582 | 6997 | */ |
bf269551 CL |
6998 | static int nfs4_xdr_dec_create_session(struct rpc_rqst *rqstp, |
6999 | struct xdr_stream *xdr, | |
fc931582 AA |
7000 | struct nfs41_create_session_res *res) |
7001 | { | |
fc931582 AA |
7002 | struct compound_hdr hdr; |
7003 | int status; | |
7004 | ||
bf269551 | 7005 | status = decode_compound_hdr(xdr, &hdr); |
fc931582 | 7006 | if (!status) |
bf269551 | 7007 | status = decode_create_session(xdr, res); |
fc931582 AA |
7008 | return status; |
7009 | } | |
7010 | ||
0f3e66c6 | 7011 | /* |
8b173218 | 7012 | * Decode DESTROY_SESSION response |
0f3e66c6 | 7013 | */ |
bf269551 CL |
7014 | static int nfs4_xdr_dec_destroy_session(struct rpc_rqst *rqstp, |
7015 | struct xdr_stream *xdr, | |
7016 | void *res) | |
0f3e66c6 | 7017 | { |
0f3e66c6 AA |
7018 | struct compound_hdr hdr; |
7019 | int status; | |
7020 | ||
bf269551 | 7021 | status = decode_compound_hdr(xdr, &hdr); |
0f3e66c6 | 7022 | if (!status) |
bf269551 | 7023 | status = decode_destroy_session(xdr, res); |
0f3e66c6 AA |
7024 | return status; |
7025 | } | |
7026 | ||
66245539 TM |
7027 | /* |
7028 | * Decode DESTROY_CLIENTID response | |
7029 | */ | |
7030 | static int nfs4_xdr_dec_destroy_clientid(struct rpc_rqst *rqstp, | |
7031 | struct xdr_stream *xdr, | |
7032 | void *res) | |
7033 | { | |
7034 | struct compound_hdr hdr; | |
7035 | int status; | |
7036 | ||
7037 | status = decode_compound_hdr(xdr, &hdr); | |
7038 | if (!status) | |
7039 | status = decode_destroy_clientid(xdr, res); | |
7040 | return status; | |
7041 | } | |
7042 | ||
fc01cea9 | 7043 | /* |
8b173218 | 7044 | * Decode SEQUENCE response |
fc01cea9 | 7045 | */ |
bf269551 CL |
7046 | static int nfs4_xdr_dec_sequence(struct rpc_rqst *rqstp, |
7047 | struct xdr_stream *xdr, | |
fc01cea9 AA |
7048 | struct nfs4_sequence_res *res) |
7049 | { | |
fc01cea9 AA |
7050 | struct compound_hdr hdr; |
7051 | int status; | |
7052 | ||
bf269551 | 7053 | status = decode_compound_hdr(xdr, &hdr); |
fc01cea9 | 7054 | if (!status) |
bf269551 | 7055 | status = decode_sequence(xdr, res, rqstp); |
fc01cea9 AA |
7056 | return status; |
7057 | } | |
7058 | ||
2050f0cc | 7059 | /* |
8b173218 | 7060 | * Decode GET_LEASE_TIME response |
2050f0cc | 7061 | */ |
bf269551 CL |
7062 | static int nfs4_xdr_dec_get_lease_time(struct rpc_rqst *rqstp, |
7063 | struct xdr_stream *xdr, | |
2050f0cc AA |
7064 | struct nfs4_get_lease_time_res *res) |
7065 | { | |
2050f0cc AA |
7066 | struct compound_hdr hdr; |
7067 | int status; | |
7068 | ||
bf269551 | 7069 | status = decode_compound_hdr(xdr, &hdr); |
2050f0cc | 7070 | if (!status) |
bf269551 | 7071 | status = decode_sequence(xdr, &res->lr_seq_res, rqstp); |
2050f0cc | 7072 | if (!status) |
bf269551 | 7073 | status = decode_putrootfh(xdr); |
2050f0cc | 7074 | if (!status) |
bf269551 | 7075 | status = decode_fsinfo(xdr, res->lr_fsinfo); |
2050f0cc AA |
7076 | return status; |
7077 | } | |
18019753 RL |
7078 | |
7079 | /* | |
7080 | * Decode RECLAIM_COMPLETE response | |
7081 | */ | |
bf269551 CL |
7082 | static int nfs4_xdr_dec_reclaim_complete(struct rpc_rqst *rqstp, |
7083 | struct xdr_stream *xdr, | |
18019753 RL |
7084 | struct nfs41_reclaim_complete_res *res) |
7085 | { | |
18019753 RL |
7086 | struct compound_hdr hdr; |
7087 | int status; | |
7088 | ||
bf269551 | 7089 | status = decode_compound_hdr(xdr, &hdr); |
18019753 | 7090 | if (!status) |
bf269551 | 7091 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
18019753 | 7092 | if (!status) |
bf269551 | 7093 | status = decode_reclaim_complete(xdr, (void *)NULL); |
18019753 RL |
7094 | return status; |
7095 | } | |
b1f69b75 | 7096 | |
7f11d8d3 AA |
7097 | /* |
7098 | * Decode GETDEVICELIST response | |
7099 | */ | |
7100 | static int nfs4_xdr_dec_getdevicelist(struct rpc_rqst *rqstp, | |
7101 | struct xdr_stream *xdr, | |
7102 | struct nfs4_getdevicelist_res *res) | |
7103 | { | |
7104 | struct compound_hdr hdr; | |
7105 | int status; | |
7106 | ||
7107 | dprintk("encoding getdevicelist!\n"); | |
7108 | ||
7109 | status = decode_compound_hdr(xdr, &hdr); | |
7110 | if (status != 0) | |
7111 | goto out; | |
7112 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7113 | if (status != 0) | |
7114 | goto out; | |
7115 | status = decode_putfh(xdr); | |
7116 | if (status != 0) | |
7117 | goto out; | |
7118 | status = decode_getdevicelist(xdr, res->devlist); | |
7119 | out: | |
7120 | return status; | |
7121 | } | |
7122 | ||
b1f69b75 AA |
7123 | /* |
7124 | * Decode GETDEVINFO response | |
7125 | */ | |
bf269551 CL |
7126 | static int nfs4_xdr_dec_getdeviceinfo(struct rpc_rqst *rqstp, |
7127 | struct xdr_stream *xdr, | |
b1f69b75 AA |
7128 | struct nfs4_getdeviceinfo_res *res) |
7129 | { | |
b1f69b75 AA |
7130 | struct compound_hdr hdr; |
7131 | int status; | |
7132 | ||
bf269551 | 7133 | status = decode_compound_hdr(xdr, &hdr); |
b1f69b75 AA |
7134 | if (status != 0) |
7135 | goto out; | |
bf269551 | 7136 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
b1f69b75 AA |
7137 | if (status != 0) |
7138 | goto out; | |
bf269551 | 7139 | status = decode_getdeviceinfo(xdr, res->pdev); |
b1f69b75 AA |
7140 | out: |
7141 | return status; | |
7142 | } | |
7143 | ||
7144 | /* | |
7145 | * Decode LAYOUTGET response | |
7146 | */ | |
bf269551 CL |
7147 | static int nfs4_xdr_dec_layoutget(struct rpc_rqst *rqstp, |
7148 | struct xdr_stream *xdr, | |
b1f69b75 AA |
7149 | struct nfs4_layoutget_res *res) |
7150 | { | |
b1f69b75 AA |
7151 | struct compound_hdr hdr; |
7152 | int status; | |
7153 | ||
bf269551 | 7154 | status = decode_compound_hdr(xdr, &hdr); |
b1f69b75 AA |
7155 | if (status) |
7156 | goto out; | |
bf269551 | 7157 | status = decode_sequence(xdr, &res->seq_res, rqstp); |
b1f69b75 AA |
7158 | if (status) |
7159 | goto out; | |
bf269551 | 7160 | status = decode_putfh(xdr); |
b1f69b75 AA |
7161 | if (status) |
7162 | goto out; | |
bf269551 | 7163 | status = decode_layoutget(xdr, rqstp, res); |
b1f69b75 AA |
7164 | out: |
7165 | return status; | |
7166 | } | |
863a3c6c | 7167 | |
cbe82603 BH |
7168 | /* |
7169 | * Decode LAYOUTRETURN response | |
7170 | */ | |
7171 | static int nfs4_xdr_dec_layoutreturn(struct rpc_rqst *rqstp, | |
7172 | struct xdr_stream *xdr, | |
7173 | struct nfs4_layoutreturn_res *res) | |
7174 | { | |
7175 | struct compound_hdr hdr; | |
7176 | int status; | |
7177 | ||
7178 | status = decode_compound_hdr(xdr, &hdr); | |
7179 | if (status) | |
7180 | goto out; | |
7181 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7182 | if (status) | |
7183 | goto out; | |
7184 | status = decode_putfh(xdr); | |
7185 | if (status) | |
7186 | goto out; | |
7187 | status = decode_layoutreturn(xdr, res); | |
7188 | out: | |
7189 | return status; | |
7190 | } | |
7191 | ||
863a3c6c AA |
7192 | /* |
7193 | * Decode LAYOUTCOMMIT response | |
7194 | */ | |
7195 | static int nfs4_xdr_dec_layoutcommit(struct rpc_rqst *rqstp, | |
7196 | struct xdr_stream *xdr, | |
7197 | struct nfs4_layoutcommit_res *res) | |
7198 | { | |
7199 | struct compound_hdr hdr; | |
7200 | int status; | |
7201 | ||
7202 | status = decode_compound_hdr(xdr, &hdr); | |
7203 | if (status) | |
7204 | goto out; | |
7205 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7206 | if (status) | |
7207 | goto out; | |
7208 | status = decode_putfh(xdr); | |
7209 | if (status) | |
7210 | goto out; | |
7211 | status = decode_layoutcommit(xdr, rqstp, res); | |
7212 | if (status) | |
7213 | goto out; | |
6926afd1 | 7214 | decode_getfattr(xdr, res->fattr, res->server); |
863a3c6c AA |
7215 | out: |
7216 | return status; | |
7217 | } | |
fca78d6d BS |
7218 | |
7219 | /* | |
7220 | * Decode SECINFO_NO_NAME response | |
7221 | */ | |
7222 | static int nfs4_xdr_dec_secinfo_no_name(struct rpc_rqst *rqstp, | |
7223 | struct xdr_stream *xdr, | |
7224 | struct nfs4_secinfo_res *res) | |
7225 | { | |
7226 | struct compound_hdr hdr; | |
7227 | int status; | |
7228 | ||
7229 | status = decode_compound_hdr(xdr, &hdr); | |
7230 | if (status) | |
7231 | goto out; | |
7232 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7233 | if (status) | |
7234 | goto out; | |
7235 | status = decode_putrootfh(xdr); | |
7236 | if (status) | |
7237 | goto out; | |
31e4dda4 | 7238 | status = decode_secinfo_no_name(xdr, res); |
fca78d6d BS |
7239 | out: |
7240 | return status; | |
7241 | } | |
7d974794 BS |
7242 | |
7243 | /* | |
7244 | * Decode TEST_STATEID response | |
7245 | */ | |
7246 | static int nfs4_xdr_dec_test_stateid(struct rpc_rqst *rqstp, | |
7247 | struct xdr_stream *xdr, | |
7248 | struct nfs41_test_stateid_res *res) | |
7249 | { | |
7250 | struct compound_hdr hdr; | |
7251 | int status; | |
7252 | ||
7253 | status = decode_compound_hdr(xdr, &hdr); | |
7254 | if (status) | |
7255 | goto out; | |
7256 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7257 | if (status) | |
7258 | goto out; | |
7259 | status = decode_test_stateid(xdr, res); | |
7260 | out: | |
7261 | return status; | |
7262 | } | |
9aeda35f BS |
7263 | |
7264 | /* | |
7265 | * Decode FREE_STATEID response | |
7266 | */ | |
7267 | static int nfs4_xdr_dec_free_stateid(struct rpc_rqst *rqstp, | |
7268 | struct xdr_stream *xdr, | |
7269 | struct nfs41_free_stateid_res *res) | |
7270 | { | |
7271 | struct compound_hdr hdr; | |
7272 | int status; | |
7273 | ||
7274 | status = decode_compound_hdr(xdr, &hdr); | |
7275 | if (status) | |
7276 | goto out; | |
7277 | status = decode_sequence(xdr, &res->seq_res, rqstp); | |
7278 | if (status) | |
7279 | goto out; | |
7280 | status = decode_free_stateid(xdr, res); | |
7281 | out: | |
7282 | return status; | |
7283 | } | |
99fe60d0 BH |
7284 | #endif /* CONFIG_NFS_V4_1 */ |
7285 | ||
573c4e1e CL |
7286 | /** |
7287 | * nfs4_decode_dirent - Decode a single NFSv4 directory entry stored in | |
7288 | * the local page cache. | |
7289 | * @xdr: XDR stream where entry resides | |
7290 | * @entry: buffer to fill in with entry data | |
7291 | * @plus: boolean indicating whether this should be a readdirplus entry | |
7292 | * | |
7293 | * Returns zero if successful, otherwise a negative errno value is | |
7294 | * returned. | |
7295 | * | |
7296 | * This function is not invoked during READDIR reply decoding, but | |
7297 | * rather whenever an application invokes the getdents(2) system call | |
7298 | * on a directory already in our cache. | |
7299 | */ | |
7300 | int nfs4_decode_dirent(struct xdr_stream *xdr, struct nfs_entry *entry, | |
7301 | int plus) | |
1da177e4 | 7302 | { |
256e48bb | 7303 | unsigned int savep; |
dae100c2 | 7304 | uint32_t bitmap[3] = {0}; |
1da177e4 | 7305 | uint32_t len; |
babddc72 BS |
7306 | __be32 *p = xdr_inline_decode(xdr, 4); |
7307 | if (unlikely(!p)) | |
7308 | goto out_overflow; | |
c08e76d0 | 7309 | if (*p == xdr_zero) { |
babddc72 BS |
7310 | p = xdr_inline_decode(xdr, 4); |
7311 | if (unlikely(!p)) | |
7312 | goto out_overflow; | |
c08e76d0 | 7313 | if (*p == xdr_zero) |
573c4e1e | 7314 | return -EAGAIN; |
1da177e4 | 7315 | entry->eof = 1; |
573c4e1e | 7316 | return -EBADCOOKIE; |
1da177e4 LT |
7317 | } |
7318 | ||
babddc72 BS |
7319 | p = xdr_inline_decode(xdr, 12); |
7320 | if (unlikely(!p)) | |
7321 | goto out_overflow; | |
1da177e4 LT |
7322 | entry->prev_cookie = entry->cookie; |
7323 | p = xdr_decode_hyper(p, &entry->cookie); | |
c08e76d0 | 7324 | entry->len = be32_to_cpup(p); |
babddc72 | 7325 | |
9af8c222 | 7326 | p = xdr_inline_decode(xdr, entry->len); |
babddc72 BS |
7327 | if (unlikely(!p)) |
7328 | goto out_overflow; | |
1da177e4 | 7329 | entry->name = (const char *) p; |
1da177e4 LT |
7330 | |
7331 | /* | |
7332 | * In case the server doesn't return an inode number, | |
7333 | * we fake one here. (We don't use inode number 0, | |
7334 | * since glibc seems to choke on it...) | |
7335 | */ | |
7336 | entry->ino = 1; | |
4f082222 | 7337 | entry->fattr->valid = 0; |
1da177e4 | 7338 | |
9af8c222 TM |
7339 | if (decode_attr_bitmap(xdr, bitmap) < 0) |
7340 | goto out_overflow; | |
7341 | ||
256e48bb | 7342 | if (decode_attr_length(xdr, &len, &savep) < 0) |
9af8c222 TM |
7343 | goto out_overflow; |
7344 | ||
573c4e1e | 7345 | if (decode_getfattr_attrs(xdr, bitmap, entry->fattr, entry->fh, |
aa9c2669 | 7346 | NULL, entry->label, entry->server) < 0) |
9af8c222 | 7347 | goto out_overflow; |
28331a46 TM |
7348 | if (entry->fattr->valid & NFS_ATTR_FATTR_MOUNTED_ON_FILEID) |
7349 | entry->ino = entry->fattr->mounted_on_fileid; | |
7350 | else if (entry->fattr->valid & NFS_ATTR_FATTR_FILEID) | |
9af8c222 TM |
7351 | entry->ino = entry->fattr->fileid; |
7352 | ||
0b26a0bf TM |
7353 | entry->d_type = DT_UNKNOWN; |
7354 | if (entry->fattr->valid & NFS_ATTR_FATTR_TYPE) | |
7355 | entry->d_type = nfs_umode_to_dtype(entry->fattr->mode); | |
7356 | ||
573c4e1e | 7357 | return 0; |
babddc72 BS |
7358 | |
7359 | out_overflow: | |
7360 | print_overflow_msg(__func__, xdr); | |
573c4e1e | 7361 | return -EAGAIN; |
1da177e4 LT |
7362 | } |
7363 | ||
7364 | /* | |
7365 | * We need to translate between nfs status return values and | |
7366 | * the local errno values which may not be the same. | |
7367 | */ | |
7368 | static struct { | |
7369 | int stat; | |
7370 | int errno; | |
7371 | } nfs_errtbl[] = { | |
7372 | { NFS4_OK, 0 }, | |
856dff3d BH |
7373 | { NFS4ERR_PERM, -EPERM }, |
7374 | { NFS4ERR_NOENT, -ENOENT }, | |
7375 | { NFS4ERR_IO, -errno_NFSERR_IO}, | |
7376 | { NFS4ERR_NXIO, -ENXIO }, | |
7377 | { NFS4ERR_ACCESS, -EACCES }, | |
7378 | { NFS4ERR_EXIST, -EEXIST }, | |
7379 | { NFS4ERR_XDEV, -EXDEV }, | |
7380 | { NFS4ERR_NOTDIR, -ENOTDIR }, | |
7381 | { NFS4ERR_ISDIR, -EISDIR }, | |
7382 | { NFS4ERR_INVAL, -EINVAL }, | |
7383 | { NFS4ERR_FBIG, -EFBIG }, | |
7384 | { NFS4ERR_NOSPC, -ENOSPC }, | |
7385 | { NFS4ERR_ROFS, -EROFS }, | |
7386 | { NFS4ERR_MLINK, -EMLINK }, | |
7387 | { NFS4ERR_NAMETOOLONG, -ENAMETOOLONG }, | |
7388 | { NFS4ERR_NOTEMPTY, -ENOTEMPTY }, | |
7389 | { NFS4ERR_DQUOT, -EDQUOT }, | |
7390 | { NFS4ERR_STALE, -ESTALE }, | |
7391 | { NFS4ERR_BADHANDLE, -EBADHANDLE }, | |
856dff3d BH |
7392 | { NFS4ERR_BAD_COOKIE, -EBADCOOKIE }, |
7393 | { NFS4ERR_NOTSUPP, -ENOTSUPP }, | |
7394 | { NFS4ERR_TOOSMALL, -ETOOSMALL }, | |
fdcb4577 | 7395 | { NFS4ERR_SERVERFAULT, -EREMOTEIO }, |
856dff3d BH |
7396 | { NFS4ERR_BADTYPE, -EBADTYPE }, |
7397 | { NFS4ERR_LOCKED, -EAGAIN }, | |
856dff3d BH |
7398 | { NFS4ERR_SYMLINK, -ELOOP }, |
7399 | { NFS4ERR_OP_ILLEGAL, -EOPNOTSUPP }, | |
7400 | { NFS4ERR_DEADLOCK, -EDEADLK }, | |
856dff3d | 7401 | { -1, -EIO } |
1da177e4 LT |
7402 | }; |
7403 | ||
7404 | /* | |
7405 | * Convert an NFS error code to a local one. | |
7406 | * This one is used jointly by NFSv2 and NFSv3. | |
7407 | */ | |
7408 | static int | |
0a8ea437 | 7409 | nfs4_stat_to_errno(int stat) |
1da177e4 LT |
7410 | { |
7411 | int i; | |
7412 | for (i = 0; nfs_errtbl[i].stat != -1; i++) { | |
7413 | if (nfs_errtbl[i].stat == stat) | |
7414 | return nfs_errtbl[i].errno; | |
7415 | } | |
7416 | if (stat <= 10000 || stat > 10100) { | |
7417 | /* The server is looney tunes. */ | |
fdcb4577 | 7418 | return -EREMOTEIO; |
1da177e4 LT |
7419 | } |
7420 | /* If we cannot translate the error, the recovery routines should | |
7421 | * handle it. | |
7422 | * Note: remaining NFSv4 error codes have values > 10000, so should | |
7423 | * not conflict with native Linux error codes. | |
7424 | */ | |
856dff3d | 7425 | return -stat; |
1da177e4 LT |
7426 | } |
7427 | ||
1da177e4 LT |
7428 | #define PROC(proc, argtype, restype) \ |
7429 | [NFSPROC4_CLNT_##proc] = { \ | |
7430 | .p_proc = NFSPROC4_COMPOUND, \ | |
9f06c719 | 7431 | .p_encode = (kxdreproc_t)nfs4_xdr_##argtype, \ |
bf269551 | 7432 | .p_decode = (kxdrdproc_t)nfs4_xdr_##restype, \ |
2bea90d4 CL |
7433 | .p_arglen = NFS4_##argtype##_sz, \ |
7434 | .p_replen = NFS4_##restype##_sz, \ | |
cc0175c1 CL |
7435 | .p_statidx = NFSPROC4_CLNT_##proc, \ |
7436 | .p_name = #proc, \ | |
05d564fe | 7437 | } |
1da177e4 LT |
7438 | |
7439 | struct rpc_procinfo nfs4_procedures[] = { | |
7d93bd71 CL |
7440 | PROC(READ, enc_read, dec_read), |
7441 | PROC(WRITE, enc_write, dec_write), | |
7442 | PROC(COMMIT, enc_commit, dec_commit), | |
7443 | PROC(OPEN, enc_open, dec_open), | |
7444 | PROC(OPEN_CONFIRM, enc_open_confirm, dec_open_confirm), | |
7445 | PROC(OPEN_NOATTR, enc_open_noattr, dec_open_noattr), | |
7446 | PROC(OPEN_DOWNGRADE, enc_open_downgrade, dec_open_downgrade), | |
7447 | PROC(CLOSE, enc_close, dec_close), | |
7448 | PROC(SETATTR, enc_setattr, dec_setattr), | |
7449 | PROC(FSINFO, enc_fsinfo, dec_fsinfo), | |
7450 | PROC(RENEW, enc_renew, dec_renew), | |
7451 | PROC(SETCLIENTID, enc_setclientid, dec_setclientid), | |
7452 | PROC(SETCLIENTID_CONFIRM, enc_setclientid_confirm, dec_setclientid_confirm), | |
7453 | PROC(LOCK, enc_lock, dec_lock), | |
7454 | PROC(LOCKT, enc_lockt, dec_lockt), | |
7455 | PROC(LOCKU, enc_locku, dec_locku), | |
7456 | PROC(ACCESS, enc_access, dec_access), | |
7457 | PROC(GETATTR, enc_getattr, dec_getattr), | |
7458 | PROC(LOOKUP, enc_lookup, dec_lookup), | |
7459 | PROC(LOOKUP_ROOT, enc_lookup_root, dec_lookup_root), | |
7460 | PROC(REMOVE, enc_remove, dec_remove), | |
7461 | PROC(RENAME, enc_rename, dec_rename), | |
7462 | PROC(LINK, enc_link, dec_link), | |
7463 | PROC(SYMLINK, enc_symlink, dec_symlink), | |
7464 | PROC(CREATE, enc_create, dec_create), | |
7465 | PROC(PATHCONF, enc_pathconf, dec_pathconf), | |
7466 | PROC(STATFS, enc_statfs, dec_statfs), | |
7467 | PROC(READLINK, enc_readlink, dec_readlink), | |
7468 | PROC(READDIR, enc_readdir, dec_readdir), | |
7469 | PROC(SERVER_CAPS, enc_server_caps, dec_server_caps), | |
7470 | PROC(DELEGRETURN, enc_delegreturn, dec_delegreturn), | |
7471 | PROC(GETACL, enc_getacl, dec_getacl), | |
7472 | PROC(SETACL, enc_setacl, dec_setacl), | |
7473 | PROC(FS_LOCATIONS, enc_fs_locations, dec_fs_locations), | |
7474 | PROC(RELEASE_LOCKOWNER, enc_release_lockowner, dec_release_lockowner), | |
5a5ea0d4 | 7475 | PROC(SECINFO, enc_secinfo, dec_secinfo), |
44c99933 | 7476 | PROC(FSID_PRESENT, enc_fsid_present, dec_fsid_present), |
99fe60d0 | 7477 | #if defined(CONFIG_NFS_V4_1) |
7d93bd71 CL |
7478 | PROC(EXCHANGE_ID, enc_exchange_id, dec_exchange_id), |
7479 | PROC(CREATE_SESSION, enc_create_session, dec_create_session), | |
7480 | PROC(DESTROY_SESSION, enc_destroy_session, dec_destroy_session), | |
7481 | PROC(SEQUENCE, enc_sequence, dec_sequence), | |
7482 | PROC(GET_LEASE_TIME, enc_get_lease_time, dec_get_lease_time), | |
7483 | PROC(RECLAIM_COMPLETE, enc_reclaim_complete, dec_reclaim_complete), | |
7484 | PROC(GETDEVICEINFO, enc_getdeviceinfo, dec_getdeviceinfo), | |
7485 | PROC(LAYOUTGET, enc_layoutget, dec_layoutget), | |
863a3c6c | 7486 | PROC(LAYOUTCOMMIT, enc_layoutcommit, dec_layoutcommit), |
cbe82603 | 7487 | PROC(LAYOUTRETURN, enc_layoutreturn, dec_layoutreturn), |
fca78d6d | 7488 | PROC(SECINFO_NO_NAME, enc_secinfo_no_name, dec_secinfo_no_name), |
7d974794 | 7489 | PROC(TEST_STATEID, enc_test_stateid, dec_test_stateid), |
9aeda35f | 7490 | PROC(FREE_STATEID, enc_free_stateid, dec_free_stateid), |
7f11d8d3 | 7491 | PROC(GETDEVICELIST, enc_getdevicelist, dec_getdevicelist), |
ad24ecfb TM |
7492 | PROC(BIND_CONN_TO_SESSION, |
7493 | enc_bind_conn_to_session, dec_bind_conn_to_session), | |
66245539 | 7494 | PROC(DESTROY_CLIENTID, enc_destroy_clientid, dec_destroy_clientid), |
99fe60d0 | 7495 | #endif /* CONFIG_NFS_V4_1 */ |
1da177e4 LT |
7496 | }; |
7497 | ||
a613fa16 | 7498 | const struct rpc_version nfs_version4 = { |
1da177e4 | 7499 | .number = 4, |
e8c96f8c | 7500 | .nrprocs = ARRAY_SIZE(nfs4_procedures), |
1da177e4 LT |
7501 | .procs = nfs4_procedures |
7502 | }; | |
7503 | ||
7504 | /* | |
7505 | * Local variables: | |
7506 | * c-basic-offset: 8 | |
7507 | * End: | |
7508 | */ |