1 /* 2 * Server-side types for NFSv4. 3 * 4 * Copyright (c) 2002 The Regents of the University of Michigan. 5 * All rights reserved. 6 * 7 * Kendrick Smith <kmsmith@umich.edu> 8 * Andy Adamson <andros@umich.edu> 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. Neither the name of the University nor the names of its 20 * contributors may be used to endorse or promote products derived 21 * from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED 24 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 25 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 26 * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 30 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 31 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 32 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 33 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 34 * 35 */ 36 37 #ifndef _LINUX_NFSD_XDR4_H 38 #define _LINUX_NFSD_XDR4_H 39 40 #include "state.h" 41 #include "nfsd.h" 42 43 #define NFSD4_MAX_TAGLEN 128 44 #define XDR_LEN(n) (((n) + 3) & ~3) 45 46 #define CURRENT_STATE_ID_FLAG (1<<0) 47 #define SAVED_STATE_ID_FLAG (1<<1) 48 49 #define SET_STATE_ID(c, f) ((c)->sid_flags |= (f)) 50 #define HAS_STATE_ID(c, f) ((c)->sid_flags & (f)) 51 #define CLEAR_STATE_ID(c, f) ((c)->sid_flags &= ~(f)) 52 53 struct nfsd4_compound_state { 54 struct svc_fh current_fh; 55 struct svc_fh save_fh; 56 struct nfs4_stateowner *replay_owner; 57 struct nfs4_client *clp; 58 /* For sessions DRC */ 59 struct nfsd4_session *session; 60 struct nfsd4_slot *slot; 61 int data_offset; 62 size_t iovlen; 63 u32 minorversion; 64 __be32 status; 65 stateid_t current_stateid; 66 stateid_t save_stateid; 67 /* to indicate current and saved state id presents */ 68 u32 sid_flags; 69 }; 70 71 static inline bool nfsd4_has_session(struct nfsd4_compound_state *cs) 72 { 73 return cs->slot != NULL; 74 } 75 76 struct nfsd4_change_info { 77 u32 atomic; 78 bool change_supported; 79 u32 before_ctime_sec; 80 u32 before_ctime_nsec; 81 u64 before_change; 82 u32 after_ctime_sec; 83 u32 after_ctime_nsec; 84 u64 after_change; 85 }; 86 87 struct nfsd4_access { 88 u32 ac_req_access; /* request */ 89 u32 ac_supported; /* response */ 90 u32 ac_resp_access; /* response */ 91 }; 92 93 struct nfsd4_close { 94 u32 cl_seqid; /* request */ 95 stateid_t cl_stateid; /* request+response */ 96 }; 97 98 struct nfsd4_commit { 99 u64 co_offset; /* request */ 100 u32 co_count; /* request */ 101 nfs4_verifier co_verf; /* response */ 102 }; 103 104 struct nfsd4_create { 105 u32 cr_namelen; /* request */ 106 char * cr_name; /* request */ 107 u32 cr_type; /* request */ 108 union { /* request */ 109 struct { 110 u32 datalen; 111 char *data; 112 } link; /* NF4LNK */ 113 struct { 114 u32 specdata1; 115 u32 specdata2; 116 } dev; /* NF4BLK, NF4CHR */ 117 } u; 118 u32 cr_bmval[3]; /* request */ 119 struct iattr cr_iattr; /* request */ 120 struct nfsd4_change_info cr_cinfo; /* response */ 121 struct nfs4_acl *cr_acl; 122 struct xdr_netobj cr_label; 123 }; 124 #define cr_datalen u.link.datalen 125 #define cr_data u.link.data 126 #define cr_specdata1 u.dev.specdata1 127 #define cr_specdata2 u.dev.specdata2 128 129 struct nfsd4_delegreturn { 130 stateid_t dr_stateid; 131 }; 132 133 struct nfsd4_getattr { 134 u32 ga_bmval[3]; /* request */ 135 struct svc_fh *ga_fhp; /* response */ 136 }; 137 138 struct nfsd4_link { 139 u32 li_namelen; /* request */ 140 char * li_name; /* request */ 141 struct nfsd4_change_info li_cinfo; /* response */ 142 }; 143 144 struct nfsd4_lock_denied { 145 clientid_t ld_clientid; 146 struct xdr_netobj ld_owner; 147 u64 ld_start; 148 u64 ld_length; 149 u32 ld_type; 150 }; 151 152 struct nfsd4_lock { 153 /* request */ 154 u32 lk_type; 155 u32 lk_reclaim; /* boolean */ 156 u64 lk_offset; 157 u64 lk_length; 158 u32 lk_is_new; 159 union { 160 struct { 161 u32 open_seqid; 162 stateid_t open_stateid; 163 u32 lock_seqid; 164 clientid_t clientid; 165 struct xdr_netobj owner; 166 } new; 167 struct { 168 stateid_t lock_stateid; 169 u32 lock_seqid; 170 } old; 171 } v; 172 173 /* response */ 174 union { 175 struct { 176 stateid_t stateid; 177 } ok; 178 struct nfsd4_lock_denied denied; 179 } u; 180 }; 181 #define lk_new_open_seqid v.new.open_seqid 182 #define lk_new_open_stateid v.new.open_stateid 183 #define lk_new_lock_seqid v.new.lock_seqid 184 #define lk_new_clientid v.new.clientid 185 #define lk_new_owner v.new.owner 186 #define lk_old_lock_stateid v.old.lock_stateid 187 #define lk_old_lock_seqid v.old.lock_seqid 188 189 #define lk_resp_stateid u.ok.stateid 190 #define lk_denied u.denied 191 192 193 struct nfsd4_lockt { 194 u32 lt_type; 195 clientid_t lt_clientid; 196 struct xdr_netobj lt_owner; 197 u64 lt_offset; 198 u64 lt_length; 199 struct nfsd4_lock_denied lt_denied; 200 }; 201 202 203 struct nfsd4_locku { 204 u32 lu_type; 205 u32 lu_seqid; 206 stateid_t lu_stateid; 207 u64 lu_offset; 208 u64 lu_length; 209 }; 210 211 212 struct nfsd4_lookup { 213 u32 lo_len; /* request */ 214 char * lo_name; /* request */ 215 }; 216 217 struct nfsd4_putfh { 218 u32 pf_fhlen; /* request */ 219 char *pf_fhval; /* request */ 220 }; 221 222 struct nfsd4_open { 223 u32 op_claim_type; /* request */ 224 struct xdr_netobj op_fname; /* request - everything but CLAIM_PREV */ 225 u32 op_delegate_type; /* request - CLAIM_PREV only */ 226 stateid_t op_delegate_stateid; /* request - response */ 227 u32 op_why_no_deleg; /* response - DELEG_NONE_EXT only */ 228 u32 op_create; /* request */ 229 u32 op_createmode; /* request */ 230 u32 op_bmval[3]; /* request */ 231 struct iattr op_iattr; /* UNCHECKED4, GUARDED4, EXCLUSIVE4_1 */ 232 nfs4_verifier op_verf __attribute__((aligned(32))); 233 /* EXCLUSIVE4 */ 234 clientid_t op_clientid; /* request */ 235 struct xdr_netobj op_owner; /* request */ 236 u32 op_seqid; /* request */ 237 u32 op_share_access; /* request */ 238 u32 op_share_deny; /* request */ 239 u32 op_deleg_want; /* request */ 240 stateid_t op_stateid; /* response */ 241 __be32 op_xdr_error; /* see nfsd4_open_omfg() */ 242 u32 op_recall; /* recall */ 243 struct nfsd4_change_info op_cinfo; /* response */ 244 u32 op_rflags; /* response */ 245 bool op_truncate; /* used during processing */ 246 bool op_created; /* used during processing */ 247 struct nfs4_openowner *op_openowner; /* used during processing */ 248 struct nfs4_file *op_file; /* used during processing */ 249 struct nfs4_ol_stateid *op_stp; /* used during processing */ 250 struct nfs4_clnt_odstate *op_odstate; /* used during processing */ 251 struct nfs4_acl *op_acl; 252 struct xdr_netobj op_label; 253 }; 254 255 struct nfsd4_open_confirm { 256 stateid_t oc_req_stateid /* request */; 257 u32 oc_seqid /* request */; 258 stateid_t oc_resp_stateid /* response */; 259 }; 260 261 struct nfsd4_open_downgrade { 262 stateid_t od_stateid; 263 u32 od_seqid; 264 u32 od_share_access; /* request */ 265 u32 od_deleg_want; /* request */ 266 u32 od_share_deny; /* request */ 267 }; 268 269 270 struct nfsd4_read { 271 stateid_t rd_stateid; /* request */ 272 u64 rd_offset; /* request */ 273 u32 rd_length; /* request */ 274 int rd_vlen; 275 struct file *rd_filp; 276 277 struct svc_rqst *rd_rqstp; /* response */ 278 struct svc_fh * rd_fhp; /* response */ 279 }; 280 281 struct nfsd4_readdir { 282 u64 rd_cookie; /* request */ 283 nfs4_verifier rd_verf; /* request */ 284 u32 rd_dircount; /* request */ 285 u32 rd_maxcount; /* request */ 286 u32 rd_bmval[3]; /* request */ 287 struct svc_rqst *rd_rqstp; /* response */ 288 struct svc_fh * rd_fhp; /* response */ 289 290 struct readdir_cd common; 291 struct xdr_stream *xdr; 292 int cookie_offset; 293 }; 294 295 struct nfsd4_release_lockowner { 296 clientid_t rl_clientid; 297 struct xdr_netobj rl_owner; 298 }; 299 struct nfsd4_readlink { 300 struct svc_rqst *rl_rqstp; /* request */ 301 struct svc_fh * rl_fhp; /* request */ 302 }; 303 304 struct nfsd4_remove { 305 u32 rm_namelen; /* request */ 306 char * rm_name; /* request */ 307 struct nfsd4_change_info rm_cinfo; /* response */ 308 }; 309 310 struct nfsd4_rename { 311 u32 rn_snamelen; /* request */ 312 char * rn_sname; /* request */ 313 u32 rn_tnamelen; /* request */ 314 char * rn_tname; /* request */ 315 struct nfsd4_change_info rn_sinfo; /* response */ 316 struct nfsd4_change_info rn_tinfo; /* response */ 317 }; 318 319 struct nfsd4_secinfo { 320 u32 si_namelen; /* request */ 321 char *si_name; /* request */ 322 struct svc_export *si_exp; /* response */ 323 }; 324 325 struct nfsd4_secinfo_no_name { 326 u32 sin_style; /* request */ 327 struct svc_export *sin_exp; /* response */ 328 }; 329 330 struct nfsd4_setattr { 331 stateid_t sa_stateid; /* request */ 332 u32 sa_bmval[3]; /* request */ 333 struct iattr sa_iattr; /* request */ 334 struct nfs4_acl *sa_acl; 335 struct xdr_netobj sa_label; 336 }; 337 338 struct nfsd4_setclientid { 339 nfs4_verifier se_verf; /* request */ 340 struct xdr_netobj se_name; 341 u32 se_callback_prog; /* request */ 342 u32 se_callback_netid_len; /* request */ 343 char * se_callback_netid_val; /* request */ 344 u32 se_callback_addr_len; /* request */ 345 char * se_callback_addr_val; /* request */ 346 u32 se_callback_ident; /* request */ 347 clientid_t se_clientid; /* response */ 348 nfs4_verifier se_confirm; /* response */ 349 }; 350 351 struct nfsd4_setclientid_confirm { 352 clientid_t sc_clientid; 353 nfs4_verifier sc_confirm; 354 }; 355 356 struct nfsd4_saved_compoundargs { 357 __be32 *p; 358 __be32 *end; 359 int pagelen; 360 struct page **pagelist; 361 }; 362 363 struct nfsd4_test_stateid_id { 364 __be32 ts_id_status; 365 stateid_t ts_id_stateid; 366 struct list_head ts_id_list; 367 }; 368 369 struct nfsd4_test_stateid { 370 u32 ts_num_ids; 371 struct list_head ts_stateid_list; 372 }; 373 374 struct nfsd4_free_stateid { 375 stateid_t fr_stateid; /* request */ 376 }; 377 378 /* also used for NVERIFY */ 379 struct nfsd4_verify { 380 u32 ve_bmval[3]; /* request */ 381 u32 ve_attrlen; /* request */ 382 char * ve_attrval; /* request */ 383 }; 384 385 struct nfsd4_write { 386 stateid_t wr_stateid; /* request */ 387 u64 wr_offset; /* request */ 388 u32 wr_stable_how; /* request */ 389 u32 wr_buflen; /* request */ 390 struct kvec wr_head; 391 struct page ** wr_pagelist; /* request */ 392 393 u32 wr_bytes_written; /* response */ 394 u32 wr_how_written; /* response */ 395 nfs4_verifier wr_verifier; /* response */ 396 }; 397 398 struct nfsd4_exchange_id { 399 nfs4_verifier verifier; 400 struct xdr_netobj clname; 401 u32 flags; 402 clientid_t clientid; 403 u32 seqid; 404 int spa_how; 405 }; 406 407 struct nfsd4_sequence { 408 struct nfs4_sessionid sessionid; /* request/response */ 409 u32 seqid; /* request/response */ 410 u32 slotid; /* request/response */ 411 u32 maxslots; /* request/response */ 412 u32 cachethis; /* request */ 413 #if 0 414 u32 target_maxslots; /* response */ 415 #endif /* not yet */ 416 u32 status_flags; /* response */ 417 }; 418 419 struct nfsd4_destroy_session { 420 struct nfs4_sessionid sessionid; 421 }; 422 423 struct nfsd4_destroy_clientid { 424 clientid_t clientid; 425 }; 426 427 struct nfsd4_reclaim_complete { 428 u32 rca_one_fs; 429 }; 430 431 struct nfsd4_deviceid { 432 u64 fsid_idx; 433 u32 generation; 434 u32 pad; 435 }; 436 437 struct nfsd4_layout_seg { 438 u32 iomode; 439 u64 offset; 440 u64 length; 441 }; 442 443 struct nfsd4_getdeviceinfo { 444 struct nfsd4_deviceid gd_devid; /* request */ 445 u32 gd_layout_type; /* request */ 446 u32 gd_maxcount; /* request */ 447 u32 gd_notify_types;/* request - response */ 448 void *gd_device; /* response */ 449 }; 450 451 struct nfsd4_layoutget { 452 u64 lg_minlength; /* request */ 453 u32 lg_signal; /* request */ 454 u32 lg_layout_type; /* request */ 455 u32 lg_maxcount; /* request */ 456 stateid_t lg_sid; /* request/response */ 457 struct nfsd4_layout_seg lg_seg; /* request/response */ 458 void *lg_content; /* response */ 459 }; 460 461 struct nfsd4_layoutcommit { 462 stateid_t lc_sid; /* request */ 463 struct nfsd4_layout_seg lc_seg; /* request */ 464 u32 lc_reclaim; /* request */ 465 u32 lc_newoffset; /* request */ 466 u64 lc_last_wr; /* request */ 467 struct timespec lc_mtime; /* request */ 468 u32 lc_layout_type; /* request */ 469 u32 lc_up_len; /* layout length */ 470 void *lc_up_layout; /* decoded by callback */ 471 u32 lc_size_chg; /* boolean for response */ 472 u64 lc_newsize; /* response */ 473 }; 474 475 struct nfsd4_layoutreturn { 476 u32 lr_return_type; /* request */ 477 u32 lr_layout_type; /* request */ 478 struct nfsd4_layout_seg lr_seg; /* request */ 479 u32 lr_reclaim; /* request */ 480 u32 lrf_body_len; /* request */ 481 void *lrf_body; /* request */ 482 stateid_t lr_sid; /* request/response */ 483 u32 lrs_present; /* response */ 484 }; 485 486 struct nfsd4_fallocate { 487 /* request */ 488 stateid_t falloc_stateid; 489 loff_t falloc_offset; 490 u64 falloc_length; 491 }; 492 493 struct nfsd4_seek { 494 /* request */ 495 stateid_t seek_stateid; 496 loff_t seek_offset; 497 u32 seek_whence; 498 499 /* response */ 500 u32 seek_eof; 501 loff_t seek_pos; 502 }; 503 504 struct nfsd4_op { 505 int opnum; 506 __be32 status; 507 union { 508 struct nfsd4_access access; 509 struct nfsd4_close close; 510 struct nfsd4_commit commit; 511 struct nfsd4_create create; 512 struct nfsd4_delegreturn delegreturn; 513 struct nfsd4_getattr getattr; 514 struct svc_fh * getfh; 515 struct nfsd4_link link; 516 struct nfsd4_lock lock; 517 struct nfsd4_lockt lockt; 518 struct nfsd4_locku locku; 519 struct nfsd4_lookup lookup; 520 struct nfsd4_verify nverify; 521 struct nfsd4_open open; 522 struct nfsd4_open_confirm open_confirm; 523 struct nfsd4_open_downgrade open_downgrade; 524 struct nfsd4_putfh putfh; 525 struct nfsd4_read read; 526 struct nfsd4_readdir readdir; 527 struct nfsd4_readlink readlink; 528 struct nfsd4_remove remove; 529 struct nfsd4_rename rename; 530 clientid_t renew; 531 struct nfsd4_secinfo secinfo; 532 struct nfsd4_setattr setattr; 533 struct nfsd4_setclientid setclientid; 534 struct nfsd4_setclientid_confirm setclientid_confirm; 535 struct nfsd4_verify verify; 536 struct nfsd4_write write; 537 struct nfsd4_release_lockowner release_lockowner; 538 539 /* NFSv4.1 */ 540 struct nfsd4_exchange_id exchange_id; 541 struct nfsd4_backchannel_ctl backchannel_ctl; 542 struct nfsd4_bind_conn_to_session bind_conn_to_session; 543 struct nfsd4_create_session create_session; 544 struct nfsd4_destroy_session destroy_session; 545 struct nfsd4_sequence sequence; 546 struct nfsd4_reclaim_complete reclaim_complete; 547 struct nfsd4_test_stateid test_stateid; 548 struct nfsd4_free_stateid free_stateid; 549 struct nfsd4_getdeviceinfo getdeviceinfo; 550 struct nfsd4_layoutget layoutget; 551 struct nfsd4_layoutcommit layoutcommit; 552 struct nfsd4_layoutreturn layoutreturn; 553 554 /* NFSv4.2 */ 555 struct nfsd4_fallocate allocate; 556 struct nfsd4_fallocate deallocate; 557 struct nfsd4_seek seek; 558 } u; 559 struct nfs4_replay * replay; 560 }; 561 562 bool nfsd4_cache_this_op(struct nfsd4_op *); 563 564 /* 565 * Memory needed just for the duration of processing one compound: 566 */ 567 struct svcxdr_tmpbuf { 568 struct svcxdr_tmpbuf *next; 569 char buf[]; 570 }; 571 572 struct nfsd4_compoundargs { 573 /* scratch variables for XDR decode */ 574 __be32 * p; 575 __be32 * end; 576 struct page ** pagelist; 577 int pagelen; 578 __be32 tmp[8]; 579 __be32 * tmpp; 580 struct svcxdr_tmpbuf *to_free; 581 582 struct svc_rqst *rqstp; 583 584 u32 taglen; 585 char * tag; 586 u32 minorversion; 587 u32 opcnt; 588 struct nfsd4_op *ops; 589 struct nfsd4_op iops[8]; 590 int cachetype; 591 }; 592 593 struct nfsd4_compoundres { 594 /* scratch variables for XDR encode */ 595 struct xdr_stream xdr; 596 struct svc_rqst * rqstp; 597 598 u32 taglen; 599 char * tag; 600 u32 opcnt; 601 __be32 * tagp; /* tag, opcount encode location */ 602 struct nfsd4_compound_state cstate; 603 }; 604 605 static inline bool nfsd4_is_solo_sequence(struct nfsd4_compoundres *resp) 606 { 607 struct nfsd4_compoundargs *args = resp->rqstp->rq_argp; 608 return resp->opcnt == 1 && args->ops[0].opnum == OP_SEQUENCE; 609 } 610 611 static inline bool nfsd4_not_cached(struct nfsd4_compoundres *resp) 612 { 613 return !(resp->cstate.slot->sl_flags & NFSD4_SLOT_CACHETHIS) 614 || nfsd4_is_solo_sequence(resp); 615 } 616 617 static inline bool nfsd4_last_compound_op(struct svc_rqst *rqstp) 618 { 619 struct nfsd4_compoundres *resp = rqstp->rq_resp; 620 struct nfsd4_compoundargs *argp = rqstp->rq_argp; 621 622 return argp->opcnt == resp->opcnt; 623 } 624 625 int nfsd4_max_reply(struct svc_rqst *rqstp, struct nfsd4_op *op); 626 void warn_on_nonidempotent_op(struct nfsd4_op *op); 627 628 #define NFS4_SVC_XDRSIZE sizeof(struct nfsd4_compoundargs) 629 630 static inline void 631 set_change_info(struct nfsd4_change_info *cinfo, struct svc_fh *fhp) 632 { 633 BUG_ON(!fhp->fh_pre_saved); 634 cinfo->atomic = fhp->fh_post_saved; 635 cinfo->change_supported = IS_I_VERSION(d_inode(fhp->fh_dentry)); 636 637 cinfo->before_change = fhp->fh_pre_change; 638 cinfo->after_change = fhp->fh_post_change; 639 cinfo->before_ctime_sec = fhp->fh_pre_ctime.tv_sec; 640 cinfo->before_ctime_nsec = fhp->fh_pre_ctime.tv_nsec; 641 cinfo->after_ctime_sec = fhp->fh_post_attr.ctime.tv_sec; 642 cinfo->after_ctime_nsec = fhp->fh_post_attr.ctime.tv_nsec; 643 644 } 645 646 int nfs4svc_encode_voidres(struct svc_rqst *, __be32 *, void *); 647 int nfs4svc_decode_compoundargs(struct svc_rqst *, __be32 *, 648 struct nfsd4_compoundargs *); 649 int nfs4svc_encode_compoundres(struct svc_rqst *, __be32 *, 650 struct nfsd4_compoundres *); 651 __be32 nfsd4_check_resp_size(struct nfsd4_compoundres *, u32); 652 void nfsd4_encode_operation(struct nfsd4_compoundres *, struct nfsd4_op *); 653 void nfsd4_encode_replay(struct xdr_stream *xdr, struct nfsd4_op *op); 654 __be32 nfsd4_encode_fattr_to_buf(__be32 **p, int words, 655 struct svc_fh *fhp, struct svc_export *exp, 656 struct dentry *dentry, 657 u32 *bmval, struct svc_rqst *, int ignore_crossmnt); 658 extern __be32 nfsd4_setclientid(struct svc_rqst *rqstp, 659 struct nfsd4_compound_state *, 660 struct nfsd4_setclientid *setclid); 661 extern __be32 nfsd4_setclientid_confirm(struct svc_rqst *rqstp, 662 struct nfsd4_compound_state *, 663 struct nfsd4_setclientid_confirm *setclientid_confirm); 664 extern __be32 nfsd4_exchange_id(struct svc_rqst *rqstp, 665 struct nfsd4_compound_state *, struct nfsd4_exchange_id *); 666 extern __be32 nfsd4_backchannel_ctl(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_backchannel_ctl *); 667 extern __be32 nfsd4_bind_conn_to_session(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_bind_conn_to_session *); 668 extern __be32 nfsd4_create_session(struct svc_rqst *, 669 struct nfsd4_compound_state *, 670 struct nfsd4_create_session *); 671 extern __be32 nfsd4_sequence(struct svc_rqst *, 672 struct nfsd4_compound_state *, 673 struct nfsd4_sequence *); 674 extern void nfsd4_sequence_done(struct nfsd4_compoundres *resp); 675 extern __be32 nfsd4_destroy_session(struct svc_rqst *, 676 struct nfsd4_compound_state *, 677 struct nfsd4_destroy_session *); 678 extern __be32 nfsd4_destroy_clientid(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_destroy_clientid *); 679 __be32 nfsd4_reclaim_complete(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_reclaim_complete *); 680 extern __be32 nfsd4_process_open1(struct nfsd4_compound_state *, 681 struct nfsd4_open *open, struct nfsd_net *nn); 682 extern __be32 nfsd4_process_open2(struct svc_rqst *rqstp, 683 struct svc_fh *current_fh, struct nfsd4_open *open); 684 extern void nfsd4_cstate_clear_replay(struct nfsd4_compound_state *cstate); 685 extern void nfsd4_cleanup_open_state(struct nfsd4_compound_state *cstate, 686 struct nfsd4_open *open); 687 extern __be32 nfsd4_open_confirm(struct svc_rqst *rqstp, 688 struct nfsd4_compound_state *, struct nfsd4_open_confirm *oc); 689 extern __be32 nfsd4_close(struct svc_rqst *rqstp, 690 struct nfsd4_compound_state *, 691 struct nfsd4_close *close); 692 extern __be32 nfsd4_open_downgrade(struct svc_rqst *rqstp, 693 struct nfsd4_compound_state *, 694 struct nfsd4_open_downgrade *od); 695 extern __be32 nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *, 696 struct nfsd4_lock *lock); 697 extern __be32 nfsd4_lockt(struct svc_rqst *rqstp, 698 struct nfsd4_compound_state *, 699 struct nfsd4_lockt *lockt); 700 extern __be32 nfsd4_locku(struct svc_rqst *rqstp, 701 struct nfsd4_compound_state *, 702 struct nfsd4_locku *locku); 703 extern __be32 704 nfsd4_release_lockowner(struct svc_rqst *rqstp, 705 struct nfsd4_compound_state *, 706 struct nfsd4_release_lockowner *rlockowner); 707 extern int nfsd4_release_compoundargs(void *rq, __be32 *p, void *resp); 708 extern __be32 nfsd4_delegreturn(struct svc_rqst *rqstp, 709 struct nfsd4_compound_state *, struct nfsd4_delegreturn *dr); 710 extern __be32 nfsd4_renew(struct svc_rqst *rqstp, 711 struct nfsd4_compound_state *, clientid_t *clid); 712 extern __be32 nfsd4_test_stateid(struct svc_rqst *rqstp, 713 struct nfsd4_compound_state *, struct nfsd4_test_stateid *test_stateid); 714 extern __be32 nfsd4_free_stateid(struct svc_rqst *rqstp, 715 struct nfsd4_compound_state *, struct nfsd4_free_stateid *free_stateid); 716 extern void nfsd4_bump_seqid(struct nfsd4_compound_state *, __be32 nfserr); 717 718 #endif 719 720 /* 721 * Local variables: 722 * c-basic-offset: 8 723 * End: 724 */ 725