Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * include/linux/nfsd/xdr4.h |
| 3 | * |
| 4 | * Server-side types 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> |
| 11 | * |
| 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 | |
| 39 | #ifndef _LINUX_NFSD_XDR4_H |
| 40 | #define _LINUX_NFSD_XDR4_H |
| 41 | |
Boaz Harrosh | 9a74af2 | 2009-12-03 20:30:56 +0200 | [diff] [blame] | 42 | #include "state.h" |
| 43 | #include "nfsd.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 44 | |
| 45 | #define NFSD4_MAX_TAGLEN 128 |
| 46 | #define XDR_LEN(n) (((n) + 3) & ~3) |
| 47 | |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 48 | struct nfsd4_compound_state { |
Andy Adamson | e354d57 | 2009-03-28 11:30:52 +0300 | [diff] [blame] | 49 | struct svc_fh current_fh; |
| 50 | struct svc_fh save_fh; |
| 51 | struct nfs4_stateowner *replay_owner; |
Benny Halevy | b85d4c0 | 2009-04-03 08:28:08 +0300 | [diff] [blame] | 52 | /* For sessions DRC */ |
| 53 | struct nfsd4_session *session; |
| 54 | struct nfsd4_slot *slot; |
Andy Adamson | 557ce26 | 2009-08-28 08:45:04 -0400 | [diff] [blame] | 55 | __be32 *datap; |
Andy Adamson | da3846a | 2009-04-03 08:28:22 +0300 | [diff] [blame] | 56 | size_t iovlen; |
Andy Adamson | d87a8ad | 2009-04-03 08:28:53 +0300 | [diff] [blame] | 57 | u32 minorversion; |
Andy Adamson | 074fe89 | 2009-04-03 08:28:15 +0300 | [diff] [blame] | 58 | u32 status; |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 59 | }; |
| 60 | |
Andy Adamson | 6668958 | 2009-04-03 08:28:45 +0300 | [diff] [blame] | 61 | static inline bool nfsd4_has_session(struct nfsd4_compound_state *cs) |
| 62 | { |
| 63 | return cs->slot != NULL; |
| 64 | } |
| 65 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 66 | struct nfsd4_change_info { |
| 67 | u32 atomic; |
J. Bruce Fields | c654b8a | 2009-04-16 17:33:25 -0400 | [diff] [blame] | 68 | bool change_supported; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 69 | u32 before_ctime_sec; |
| 70 | u32 before_ctime_nsec; |
J. Bruce Fields | c654b8a | 2009-04-16 17:33:25 -0400 | [diff] [blame] | 71 | u64 before_change; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 72 | u32 after_ctime_sec; |
| 73 | u32 after_ctime_nsec; |
J. Bruce Fields | c654b8a | 2009-04-16 17:33:25 -0400 | [diff] [blame] | 74 | u64 after_change; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 75 | }; |
| 76 | |
| 77 | struct nfsd4_access { |
| 78 | u32 ac_req_access; /* request */ |
| 79 | u32 ac_supported; /* response */ |
| 80 | u32 ac_resp_access; /* response */ |
| 81 | }; |
| 82 | |
| 83 | struct nfsd4_close { |
| 84 | u32 cl_seqid; /* request */ |
| 85 | stateid_t cl_stateid; /* request+response */ |
| 86 | struct nfs4_stateowner * cl_stateowner; /* response */ |
| 87 | }; |
| 88 | |
| 89 | struct nfsd4_commit { |
| 90 | u64 co_offset; /* request */ |
| 91 | u32 co_count; /* request */ |
| 92 | nfs4_verifier co_verf; /* response */ |
| 93 | }; |
| 94 | |
| 95 | struct nfsd4_create { |
| 96 | u32 cr_namelen; /* request */ |
| 97 | char * cr_name; /* request */ |
| 98 | u32 cr_type; /* request */ |
| 99 | union { /* request */ |
| 100 | struct { |
| 101 | u32 namelen; |
| 102 | char *name; |
| 103 | } link; /* NF4LNK */ |
| 104 | struct { |
| 105 | u32 specdata1; |
| 106 | u32 specdata2; |
| 107 | } dev; /* NF4BLK, NF4CHR */ |
| 108 | } u; |
Andy Adamson | 7e70570 | 2009-04-03 08:29:11 +0300 | [diff] [blame] | 109 | u32 cr_bmval[3]; /* request */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 110 | struct iattr cr_iattr; /* request */ |
| 111 | struct nfsd4_change_info cr_cinfo; /* response */ |
| 112 | struct nfs4_acl *cr_acl; |
| 113 | }; |
| 114 | #define cr_linklen u.link.namelen |
| 115 | #define cr_linkname u.link.name |
| 116 | #define cr_specdata1 u.dev.specdata1 |
| 117 | #define cr_specdata2 u.dev.specdata2 |
| 118 | |
| 119 | struct nfsd4_delegreturn { |
| 120 | stateid_t dr_stateid; |
| 121 | }; |
| 122 | |
| 123 | struct nfsd4_getattr { |
Andy Adamson | 7e70570 | 2009-04-03 08:29:11 +0300 | [diff] [blame] | 124 | u32 ga_bmval[3]; /* request */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 125 | struct svc_fh *ga_fhp; /* response */ |
| 126 | }; |
| 127 | |
| 128 | struct nfsd4_link { |
| 129 | u32 li_namelen; /* request */ |
| 130 | char * li_name; /* request */ |
| 131 | struct nfsd4_change_info li_cinfo; /* response */ |
| 132 | }; |
| 133 | |
| 134 | struct nfsd4_lock_denied { |
| 135 | clientid_t ld_clientid; |
| 136 | struct nfs4_stateowner *ld_sop; |
| 137 | u64 ld_start; |
| 138 | u64 ld_length; |
| 139 | u32 ld_type; |
| 140 | }; |
| 141 | |
| 142 | struct nfsd4_lock { |
| 143 | /* request */ |
| 144 | u32 lk_type; |
| 145 | u32 lk_reclaim; /* boolean */ |
| 146 | u64 lk_offset; |
| 147 | u64 lk_length; |
| 148 | u32 lk_is_new; |
| 149 | union { |
| 150 | struct { |
| 151 | u32 open_seqid; |
| 152 | stateid_t open_stateid; |
| 153 | u32 lock_seqid; |
| 154 | clientid_t clientid; |
| 155 | struct xdr_netobj owner; |
| 156 | } new; |
| 157 | struct { |
| 158 | stateid_t lock_stateid; |
| 159 | u32 lock_seqid; |
| 160 | } old; |
| 161 | } v; |
| 162 | |
| 163 | /* response */ |
| 164 | union { |
| 165 | struct { |
| 166 | stateid_t stateid; |
| 167 | } ok; |
| 168 | struct nfsd4_lock_denied denied; |
| 169 | } u; |
J. Bruce Fields | 3a65588 | 2006-01-18 17:43:19 -0800 | [diff] [blame] | 170 | /* The lk_replay_owner is the open owner in the open_to_lock_owner |
| 171 | * case and the lock owner otherwise: */ |
| 172 | struct nfs4_stateowner *lk_replay_owner; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 173 | }; |
| 174 | #define lk_new_open_seqid v.new.open_seqid |
| 175 | #define lk_new_open_stateid v.new.open_stateid |
| 176 | #define lk_new_lock_seqid v.new.lock_seqid |
| 177 | #define lk_new_clientid v.new.clientid |
| 178 | #define lk_new_owner v.new.owner |
| 179 | #define lk_old_lock_stateid v.old.lock_stateid |
| 180 | #define lk_old_lock_seqid v.old.lock_seqid |
| 181 | |
| 182 | #define lk_rflags u.ok.rflags |
| 183 | #define lk_resp_stateid u.ok.stateid |
| 184 | #define lk_denied u.denied |
| 185 | |
| 186 | |
| 187 | struct nfsd4_lockt { |
| 188 | u32 lt_type; |
| 189 | clientid_t lt_clientid; |
| 190 | struct xdr_netobj lt_owner; |
| 191 | u64 lt_offset; |
| 192 | u64 lt_length; |
| 193 | struct nfs4_stateowner * lt_stateowner; |
| 194 | struct nfsd4_lock_denied lt_denied; |
| 195 | }; |
| 196 | |
| 197 | |
| 198 | struct nfsd4_locku { |
| 199 | u32 lu_type; |
| 200 | u32 lu_seqid; |
| 201 | stateid_t lu_stateid; |
| 202 | u64 lu_offset; |
| 203 | u64 lu_length; |
| 204 | struct nfs4_stateowner *lu_stateowner; |
| 205 | }; |
| 206 | |
| 207 | |
| 208 | struct nfsd4_lookup { |
| 209 | u32 lo_len; /* request */ |
| 210 | char * lo_name; /* request */ |
| 211 | }; |
| 212 | |
| 213 | struct nfsd4_putfh { |
| 214 | u32 pf_fhlen; /* request */ |
| 215 | char *pf_fhval; /* request */ |
| 216 | }; |
| 217 | |
| 218 | struct nfsd4_open { |
| 219 | u32 op_claim_type; /* request */ |
| 220 | struct xdr_netobj op_fname; /* request - everything but CLAIM_PREV */ |
| 221 | u32 op_delegate_type; /* request - CLAIM_PREV only */ |
| 222 | stateid_t op_delegate_stateid; /* request - response */ |
| 223 | u32 op_create; /* request */ |
| 224 | u32 op_createmode; /* request */ |
Andy Adamson | 7e70570 | 2009-04-03 08:29:11 +0300 | [diff] [blame] | 225 | u32 op_bmval[3]; /* request */ |
Benny Halevy | 79fb54a | 2009-04-03 08:29:17 +0300 | [diff] [blame] | 226 | struct iattr iattr; /* UNCHECKED4, GUARDED4, EXCLUSIVE4_1 */ |
| 227 | nfs4_verifier verf; /* EXCLUSIVE4 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 228 | clientid_t op_clientid; /* request */ |
| 229 | struct xdr_netobj op_owner; /* request */ |
| 230 | u32 op_seqid; /* request */ |
| 231 | u32 op_share_access; /* request */ |
| 232 | u32 op_share_deny; /* request */ |
| 233 | stateid_t op_stateid; /* response */ |
NeilBrown | 7b190fe | 2005-06-23 22:03:23 -0700 | [diff] [blame] | 234 | u32 op_recall; /* recall */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 235 | struct nfsd4_change_info op_cinfo; /* response */ |
| 236 | u32 op_rflags; /* response */ |
| 237 | int op_truncate; /* used during processing */ |
| 238 | struct nfs4_stateowner *op_stateowner; /* used during processing */ |
| 239 | struct nfs4_acl *op_acl; |
| 240 | }; |
Benny Halevy | 79fb54a | 2009-04-03 08:29:17 +0300 | [diff] [blame] | 241 | #define op_iattr iattr |
| 242 | #define op_verf verf |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 243 | |
| 244 | struct nfsd4_open_confirm { |
| 245 | stateid_t oc_req_stateid /* request */; |
| 246 | u32 oc_seqid /* request */; |
| 247 | stateid_t oc_resp_stateid /* response */; |
| 248 | struct nfs4_stateowner * oc_stateowner; /* response */ |
| 249 | }; |
| 250 | |
| 251 | struct nfsd4_open_downgrade { |
| 252 | stateid_t od_stateid; |
| 253 | u32 od_seqid; |
| 254 | u32 od_share_access; |
| 255 | u32 od_share_deny; |
| 256 | struct nfs4_stateowner *od_stateowner; |
| 257 | }; |
| 258 | |
| 259 | |
| 260 | struct nfsd4_read { |
| 261 | stateid_t rd_stateid; /* request */ |
| 262 | u64 rd_offset; /* request */ |
| 263 | u32 rd_length; /* request */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 264 | int rd_vlen; |
| 265 | struct file *rd_filp; |
| 266 | |
| 267 | struct svc_rqst *rd_rqstp; /* response */ |
| 268 | struct svc_fh * rd_fhp; /* response */ |
| 269 | }; |
| 270 | |
| 271 | struct nfsd4_readdir { |
| 272 | u64 rd_cookie; /* request */ |
| 273 | nfs4_verifier rd_verf; /* request */ |
| 274 | u32 rd_dircount; /* request */ |
| 275 | u32 rd_maxcount; /* request */ |
Andy Adamson | 7e70570 | 2009-04-03 08:29:11 +0300 | [diff] [blame] | 276 | u32 rd_bmval[3]; /* request */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 277 | struct svc_rqst *rd_rqstp; /* response */ |
| 278 | struct svc_fh * rd_fhp; /* response */ |
| 279 | |
| 280 | struct readdir_cd common; |
Al Viro | 2ebbc01 | 2006-10-19 23:28:58 -0700 | [diff] [blame] | 281 | __be32 * buffer; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 282 | int buflen; |
Al Viro | 2ebbc01 | 2006-10-19 23:28:58 -0700 | [diff] [blame] | 283 | __be32 * offset; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 284 | }; |
| 285 | |
| 286 | struct nfsd4_release_lockowner { |
| 287 | clientid_t rl_clientid; |
| 288 | struct xdr_netobj rl_owner; |
| 289 | }; |
| 290 | struct nfsd4_readlink { |
| 291 | struct svc_rqst *rl_rqstp; /* request */ |
| 292 | struct svc_fh * rl_fhp; /* request */ |
| 293 | }; |
| 294 | |
| 295 | struct nfsd4_remove { |
| 296 | u32 rm_namelen; /* request */ |
| 297 | char * rm_name; /* request */ |
| 298 | struct nfsd4_change_info rm_cinfo; /* response */ |
| 299 | }; |
| 300 | |
| 301 | struct nfsd4_rename { |
| 302 | u32 rn_snamelen; /* request */ |
| 303 | char * rn_sname; /* request */ |
| 304 | u32 rn_tnamelen; /* request */ |
| 305 | char * rn_tname; /* request */ |
| 306 | struct nfsd4_change_info rn_sinfo; /* response */ |
| 307 | struct nfsd4_change_info rn_tinfo; /* response */ |
| 308 | }; |
| 309 | |
Andy Adamson | dcb488a3 | 2007-07-17 04:04:51 -0700 | [diff] [blame] | 310 | struct nfsd4_secinfo { |
| 311 | u32 si_namelen; /* request */ |
| 312 | char *si_name; /* request */ |
| 313 | struct svc_export *si_exp; /* response */ |
| 314 | }; |
| 315 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 316 | struct nfsd4_setattr { |
| 317 | stateid_t sa_stateid; /* request */ |
Andy Adamson | 7e70570 | 2009-04-03 08:29:11 +0300 | [diff] [blame] | 318 | u32 sa_bmval[3]; /* request */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 319 | struct iattr sa_iattr; /* request */ |
| 320 | struct nfs4_acl *sa_acl; |
| 321 | }; |
| 322 | |
| 323 | struct nfsd4_setclientid { |
| 324 | nfs4_verifier se_verf; /* request */ |
| 325 | u32 se_namelen; /* request */ |
| 326 | char * se_name; /* request */ |
| 327 | u32 se_callback_prog; /* request */ |
| 328 | u32 se_callback_netid_len; /* request */ |
| 329 | char * se_callback_netid_val; /* request */ |
| 330 | u32 se_callback_addr_len; /* request */ |
| 331 | char * se_callback_addr_val; /* request */ |
| 332 | u32 se_callback_ident; /* request */ |
| 333 | clientid_t se_clientid; /* response */ |
| 334 | nfs4_verifier se_confirm; /* response */ |
| 335 | }; |
| 336 | |
| 337 | struct nfsd4_setclientid_confirm { |
| 338 | clientid_t sc_clientid; |
| 339 | nfs4_verifier sc_confirm; |
| 340 | }; |
| 341 | |
| 342 | /* also used for NVERIFY */ |
| 343 | struct nfsd4_verify { |
Andy Adamson | 7e70570 | 2009-04-03 08:29:11 +0300 | [diff] [blame] | 344 | u32 ve_bmval[3]; /* request */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 345 | u32 ve_attrlen; /* request */ |
| 346 | char * ve_attrval; /* request */ |
| 347 | }; |
| 348 | |
| 349 | struct nfsd4_write { |
| 350 | stateid_t wr_stateid; /* request */ |
| 351 | u64 wr_offset; /* request */ |
| 352 | u32 wr_stable_how; /* request */ |
| 353 | u32 wr_buflen; /* request */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 354 | int wr_vlen; |
| 355 | |
| 356 | u32 wr_bytes_written; /* response */ |
| 357 | u32 wr_how_written; /* response */ |
| 358 | nfs4_verifier wr_verifier; /* response */ |
| 359 | }; |
| 360 | |
Andy Adamson | 2db134e | 2009-04-03 08:27:55 +0300 | [diff] [blame] | 361 | struct nfsd4_exchange_id { |
Andy Adamson | 0733d21 | 2009-04-03 08:28:01 +0300 | [diff] [blame] | 362 | nfs4_verifier verifier; |
| 363 | struct xdr_netobj clname; |
| 364 | u32 flags; |
| 365 | clientid_t clientid; |
| 366 | u32 seqid; |
| 367 | int spa_how; |
Andy Adamson | 2db134e | 2009-04-03 08:27:55 +0300 | [diff] [blame] | 368 | }; |
| 369 | |
Andy Adamson | 2db134e | 2009-04-03 08:27:55 +0300 | [diff] [blame] | 370 | struct nfsd4_sequence { |
Benny Halevy | b85d4c0 | 2009-04-03 08:28:08 +0300 | [diff] [blame] | 371 | struct nfs4_sessionid sessionid; /* request/response */ |
| 372 | u32 seqid; /* request/response */ |
| 373 | u32 slotid; /* request/response */ |
| 374 | u32 maxslots; /* request/response */ |
| 375 | u32 cachethis; /* request */ |
| 376 | #if 0 |
| 377 | u32 target_maxslots; /* response */ |
| 378 | u32 status_flags; /* response */ |
| 379 | #endif /* not yet */ |
Andy Adamson | 2db134e | 2009-04-03 08:27:55 +0300 | [diff] [blame] | 380 | }; |
| 381 | |
| 382 | struct nfsd4_destroy_session { |
Benny Halevy | e10e0cf | 2009-04-03 08:28:38 +0300 | [diff] [blame] | 383 | struct nfs4_sessionid sessionid; |
Andy Adamson | 2db134e | 2009-04-03 08:27:55 +0300 | [diff] [blame] | 384 | }; |
| 385 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 386 | struct nfsd4_op { |
| 387 | int opnum; |
Al Viro | b37ad28 | 2006-10-19 23:28:59 -0700 | [diff] [blame] | 388 | __be32 status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 389 | union { |
| 390 | struct nfsd4_access access; |
| 391 | struct nfsd4_close close; |
| 392 | struct nfsd4_commit commit; |
| 393 | struct nfsd4_create create; |
| 394 | struct nfsd4_delegreturn delegreturn; |
| 395 | struct nfsd4_getattr getattr; |
| 396 | struct svc_fh * getfh; |
| 397 | struct nfsd4_link link; |
| 398 | struct nfsd4_lock lock; |
| 399 | struct nfsd4_lockt lockt; |
| 400 | struct nfsd4_locku locku; |
| 401 | struct nfsd4_lookup lookup; |
| 402 | struct nfsd4_verify nverify; |
| 403 | struct nfsd4_open open; |
| 404 | struct nfsd4_open_confirm open_confirm; |
| 405 | struct nfsd4_open_downgrade open_downgrade; |
| 406 | struct nfsd4_putfh putfh; |
| 407 | struct nfsd4_read read; |
| 408 | struct nfsd4_readdir readdir; |
| 409 | struct nfsd4_readlink readlink; |
| 410 | struct nfsd4_remove remove; |
| 411 | struct nfsd4_rename rename; |
| 412 | clientid_t renew; |
Andy Adamson | dcb488a3 | 2007-07-17 04:04:51 -0700 | [diff] [blame] | 413 | struct nfsd4_secinfo secinfo; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 414 | struct nfsd4_setattr setattr; |
| 415 | struct nfsd4_setclientid setclientid; |
| 416 | struct nfsd4_setclientid_confirm setclientid_confirm; |
| 417 | struct nfsd4_verify verify; |
| 418 | struct nfsd4_write write; |
| 419 | struct nfsd4_release_lockowner release_lockowner; |
Andy Adamson | 2db134e | 2009-04-03 08:27:55 +0300 | [diff] [blame] | 420 | |
| 421 | /* NFSv4.1 */ |
| 422 | struct nfsd4_exchange_id exchange_id; |
| 423 | struct nfsd4_create_session create_session; |
| 424 | struct nfsd4_destroy_session destroy_session; |
| 425 | struct nfsd4_sequence sequence; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 426 | } u; |
| 427 | struct nfs4_replay * replay; |
| 428 | }; |
| 429 | |
| 430 | struct nfsd4_compoundargs { |
| 431 | /* scratch variables for XDR decode */ |
Al Viro | 2ebbc01 | 2006-10-19 23:28:58 -0700 | [diff] [blame] | 432 | __be32 * p; |
| 433 | __be32 * end; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 434 | struct page ** pagelist; |
| 435 | int pagelen; |
Al Viro | 2ebbc01 | 2006-10-19 23:28:58 -0700 | [diff] [blame] | 436 | __be32 tmp[8]; |
| 437 | __be32 * tmpp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 438 | struct tmpbuf { |
| 439 | struct tmpbuf *next; |
| 440 | void (*release)(const void *); |
| 441 | void *buf; |
| 442 | } *to_free; |
| 443 | |
| 444 | struct svc_rqst *rqstp; |
| 445 | |
| 446 | u32 taglen; |
| 447 | char * tag; |
| 448 | u32 minorversion; |
| 449 | u32 opcnt; |
| 450 | struct nfsd4_op *ops; |
| 451 | struct nfsd4_op iops[8]; |
| 452 | }; |
| 453 | |
| 454 | struct nfsd4_compoundres { |
| 455 | /* scratch variables for XDR encode */ |
Al Viro | 2ebbc01 | 2006-10-19 23:28:58 -0700 | [diff] [blame] | 456 | __be32 * p; |
| 457 | __be32 * end; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 458 | struct xdr_buf * xbuf; |
| 459 | struct svc_rqst * rqstp; |
| 460 | |
| 461 | u32 taglen; |
| 462 | char * tag; |
| 463 | u32 opcnt; |
Andy Adamson | e354d57 | 2009-03-28 11:30:52 +0300 | [diff] [blame] | 464 | __be32 * tagp; /* tag, opcount encode location */ |
| 465 | struct nfsd4_compound_state cstate; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 466 | }; |
| 467 | |
Andy Adamson | bf864a3 | 2009-04-03 08:28:35 +0300 | [diff] [blame] | 468 | static inline bool nfsd4_is_solo_sequence(struct nfsd4_compoundres *resp) |
| 469 | { |
| 470 | struct nfsd4_compoundargs *args = resp->rqstp->rq_argp; |
Andy Adamson | 468de9e | 2009-08-27 12:07:40 -0400 | [diff] [blame] | 471 | return resp->opcnt == 1 && args->ops[0].opnum == OP_SEQUENCE; |
Andy Adamson | bf864a3 | 2009-04-03 08:28:35 +0300 | [diff] [blame] | 472 | } |
| 473 | |
| 474 | static inline bool nfsd4_not_cached(struct nfsd4_compoundres *resp) |
| 475 | { |
Andy Adamson | 557ce26 | 2009-08-28 08:45:04 -0400 | [diff] [blame] | 476 | return !resp->cstate.slot->sl_cachethis || nfsd4_is_solo_sequence(resp); |
Andy Adamson | bf864a3 | 2009-04-03 08:28:35 +0300 | [diff] [blame] | 477 | } |
| 478 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 479 | #define NFS4_SVC_XDRSIZE sizeof(struct nfsd4_compoundargs) |
| 480 | |
| 481 | static inline void |
| 482 | set_change_info(struct nfsd4_change_info *cinfo, struct svc_fh *fhp) |
| 483 | { |
| 484 | BUG_ON(!fhp->fh_pre_saved || !fhp->fh_post_saved); |
| 485 | cinfo->atomic = 1; |
J. Bruce Fields | c654b8a | 2009-04-16 17:33:25 -0400 | [diff] [blame] | 486 | cinfo->change_supported = IS_I_VERSION(fhp->fh_dentry->d_inode); |
| 487 | if (cinfo->change_supported) { |
| 488 | cinfo->before_change = fhp->fh_pre_change; |
| 489 | cinfo->after_change = fhp->fh_post_change; |
| 490 | } else { |
| 491 | cinfo->before_ctime_sec = fhp->fh_pre_ctime.tv_sec; |
| 492 | cinfo->before_ctime_nsec = fhp->fh_pre_ctime.tv_nsec; |
| 493 | cinfo->after_ctime_sec = fhp->fh_post_attr.ctime.tv_sec; |
| 494 | cinfo->after_ctime_nsec = fhp->fh_post_attr.ctime.tv_nsec; |
| 495 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 496 | } |
| 497 | |
Al Viro | 2ebbc01 | 2006-10-19 23:28:58 -0700 | [diff] [blame] | 498 | int nfs4svc_encode_voidres(struct svc_rqst *, __be32 *, void *); |
| 499 | int nfs4svc_decode_compoundargs(struct svc_rqst *, __be32 *, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 500 | struct nfsd4_compoundargs *); |
Al Viro | 2ebbc01 | 2006-10-19 23:28:58 -0700 | [diff] [blame] | 501 | int nfs4svc_encode_compoundres(struct svc_rqst *, __be32 *, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 502 | struct nfsd4_compoundres *); |
| 503 | void nfsd4_encode_operation(struct nfsd4_compoundres *, struct nfsd4_op *); |
| 504 | void nfsd4_encode_replay(struct nfsd4_compoundres *resp, struct nfsd4_op *op); |
Al Viro | b37ad28 | 2006-10-19 23:28:59 -0700 | [diff] [blame] | 505 | __be32 nfsd4_encode_fattr(struct svc_fh *fhp, struct svc_export *exp, |
| 506 | struct dentry *dentry, __be32 *buffer, int *countp, |
Frank Filz | 406a7ea | 2007-11-27 11:34:05 -0800 | [diff] [blame] | 507 | u32 *bmval, struct svc_rqst *, int ignore_crossmnt); |
Al Viro | b37ad28 | 2006-10-19 23:28:59 -0700 | [diff] [blame] | 508 | extern __be32 nfsd4_setclientid(struct svc_rqst *rqstp, |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 509 | struct nfsd4_compound_state *, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 510 | struct nfsd4_setclientid *setclid); |
Al Viro | b37ad28 | 2006-10-19 23:28:59 -0700 | [diff] [blame] | 511 | extern __be32 nfsd4_setclientid_confirm(struct svc_rqst *rqstp, |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 512 | struct nfsd4_compound_state *, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 513 | struct nfsd4_setclientid_confirm *setclientid_confirm); |
Andy Adamson | 074fe89 | 2009-04-03 08:28:15 +0300 | [diff] [blame] | 514 | extern void nfsd4_store_cache_entry(struct nfsd4_compoundres *resp); |
Andy Adamson | bf864a3 | 2009-04-03 08:28:35 +0300 | [diff] [blame] | 515 | extern __be32 nfsd4_replay_cache_entry(struct nfsd4_compoundres *resp, |
| 516 | struct nfsd4_sequence *seq); |
Andy Adamson | 069b6ad | 2009-04-03 08:27:58 +0300 | [diff] [blame] | 517 | extern __be32 nfsd4_exchange_id(struct svc_rqst *rqstp, |
| 518 | struct nfsd4_compound_state *, |
| 519 | struct nfsd4_exchange_id *); |
| 520 | extern __be32 nfsd4_create_session(struct svc_rqst *, |
| 521 | struct nfsd4_compound_state *, |
| 522 | struct nfsd4_create_session *); |
| 523 | extern __be32 nfsd4_sequence(struct svc_rqst *, |
| 524 | struct nfsd4_compound_state *, |
| 525 | struct nfsd4_sequence *); |
| 526 | extern __be32 nfsd4_destroy_session(struct svc_rqst *, |
| 527 | struct nfsd4_compound_state *, |
| 528 | struct nfsd4_destroy_session *); |
Andy Adamson | 6668958 | 2009-04-03 08:28:45 +0300 | [diff] [blame] | 529 | extern __be32 nfsd4_process_open1(struct nfsd4_compound_state *, |
| 530 | struct nfsd4_open *open); |
Al Viro | b37ad28 | 2006-10-19 23:28:59 -0700 | [diff] [blame] | 531 | extern __be32 nfsd4_process_open2(struct svc_rqst *rqstp, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 532 | struct svc_fh *current_fh, struct nfsd4_open *open); |
Al Viro | b37ad28 | 2006-10-19 23:28:59 -0700 | [diff] [blame] | 533 | extern __be32 nfsd4_open_confirm(struct svc_rqst *rqstp, |
J.Bruce Fields | a4f1706a9 | 2006-12-13 00:35:28 -0800 | [diff] [blame] | 534 | struct nfsd4_compound_state *, struct nfsd4_open_confirm *oc); |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 535 | extern __be32 nfsd4_close(struct svc_rqst *rqstp, |
| 536 | struct nfsd4_compound_state *, |
J.Bruce Fields | a4f1706a9 | 2006-12-13 00:35:28 -0800 | [diff] [blame] | 537 | struct nfsd4_close *close); |
Al Viro | b37ad28 | 2006-10-19 23:28:59 -0700 | [diff] [blame] | 538 | extern __be32 nfsd4_open_downgrade(struct svc_rqst *rqstp, |
J.Bruce Fields | a4f1706a9 | 2006-12-13 00:35:28 -0800 | [diff] [blame] | 539 | struct nfsd4_compound_state *, |
| 540 | struct nfsd4_open_downgrade *od); |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 541 | extern __be32 nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *, |
J.Bruce Fields | a4f1706a9 | 2006-12-13 00:35:28 -0800 | [diff] [blame] | 542 | struct nfsd4_lock *lock); |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 543 | extern __be32 nfsd4_lockt(struct svc_rqst *rqstp, |
| 544 | struct nfsd4_compound_state *, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 545 | struct nfsd4_lockt *lockt); |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 546 | extern __be32 nfsd4_locku(struct svc_rqst *rqstp, |
| 547 | struct nfsd4_compound_state *, |
J.Bruce Fields | a4f1706a9 | 2006-12-13 00:35:28 -0800 | [diff] [blame] | 548 | struct nfsd4_locku *locku); |
Al Viro | b37ad28 | 2006-10-19 23:28:59 -0700 | [diff] [blame] | 549 | extern __be32 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 550 | nfsd4_release_lockowner(struct svc_rqst *rqstp, |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 551 | struct nfsd4_compound_state *, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 552 | struct nfsd4_release_lockowner *rlockowner); |
| 553 | extern void nfsd4_release_compoundargs(struct nfsd4_compoundargs *); |
Al Viro | b37ad28 | 2006-10-19 23:28:59 -0700 | [diff] [blame] | 554 | extern __be32 nfsd4_delegreturn(struct svc_rqst *rqstp, |
J.Bruce Fields | ca36431 | 2006-12-13 00:35:27 -0800 | [diff] [blame] | 555 | struct nfsd4_compound_state *, struct nfsd4_delegreturn *dr); |
J.Bruce Fields | b591480 | 2006-12-13 00:35:38 -0800 | [diff] [blame] | 556 | extern __be32 nfsd4_renew(struct svc_rqst *rqstp, |
| 557 | struct nfsd4_compound_state *, clientid_t *clid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 558 | #endif |
| 559 | |
| 560 | /* |
| 561 | * Local variables: |
| 562 | * c-basic-offset: 8 |
| 563 | * End: |
| 564 | */ |