19a74af21SBoaz Harrosh /* 29a74af21SBoaz Harrosh * Server-side types for NFSv4. 39a74af21SBoaz Harrosh * 49a74af21SBoaz Harrosh * Copyright (c) 2002 The Regents of the University of Michigan. 59a74af21SBoaz Harrosh * All rights reserved. 69a74af21SBoaz Harrosh * 79a74af21SBoaz Harrosh * Kendrick Smith <kmsmith@umich.edu> 89a74af21SBoaz Harrosh * Andy Adamson <andros@umich.edu> 99a74af21SBoaz Harrosh * 109a74af21SBoaz Harrosh * Redistribution and use in source and binary forms, with or without 119a74af21SBoaz Harrosh * modification, are permitted provided that the following conditions 129a74af21SBoaz Harrosh * are met: 139a74af21SBoaz Harrosh * 149a74af21SBoaz Harrosh * 1. Redistributions of source code must retain the above copyright 159a74af21SBoaz Harrosh * notice, this list of conditions and the following disclaimer. 169a74af21SBoaz Harrosh * 2. Redistributions in binary form must reproduce the above copyright 179a74af21SBoaz Harrosh * notice, this list of conditions and the following disclaimer in the 189a74af21SBoaz Harrosh * documentation and/or other materials provided with the distribution. 199a74af21SBoaz Harrosh * 3. Neither the name of the University nor the names of its 209a74af21SBoaz Harrosh * contributors may be used to endorse or promote products derived 219a74af21SBoaz Harrosh * from this software without specific prior written permission. 229a74af21SBoaz Harrosh * 239a74af21SBoaz Harrosh * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED 249a74af21SBoaz Harrosh * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 259a74af21SBoaz Harrosh * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 269a74af21SBoaz Harrosh * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 279a74af21SBoaz Harrosh * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 289a74af21SBoaz Harrosh * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 299a74af21SBoaz Harrosh * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 309a74af21SBoaz Harrosh * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 319a74af21SBoaz Harrosh * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 329a74af21SBoaz Harrosh * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 339a74af21SBoaz Harrosh * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 349a74af21SBoaz Harrosh * 359a74af21SBoaz Harrosh */ 369a74af21SBoaz Harrosh 379a74af21SBoaz Harrosh #ifndef _LINUX_NFSD_XDR4_H 389a74af21SBoaz Harrosh #define _LINUX_NFSD_XDR4_H 399a74af21SBoaz Harrosh 409a74af21SBoaz Harrosh #include "state.h" 419a74af21SBoaz Harrosh #include "nfsd.h" 429a74af21SBoaz Harrosh 4318032ca0SDavid Quigley #define NFSD4_MAX_SEC_LABEL_LEN 2048 449a74af21SBoaz Harrosh #define NFSD4_MAX_TAGLEN 128 459a74af21SBoaz Harrosh #define XDR_LEN(n) (((n) + 3) & ~3) 469a74af21SBoaz Harrosh 4737c593c5STigran Mkrtchyan #define CURRENT_STATE_ID_FLAG (1<<0) 4837c593c5STigran Mkrtchyan #define SAVED_STATE_ID_FLAG (1<<1) 4937c593c5STigran Mkrtchyan 5037c593c5STigran Mkrtchyan #define SET_STATE_ID(c, f) ((c)->sid_flags |= (f)) 5137c593c5STigran Mkrtchyan #define HAS_STATE_ID(c, f) ((c)->sid_flags & (f)) 5237c593c5STigran Mkrtchyan #define CLEAR_STATE_ID(c, f) ((c)->sid_flags &= ~(f)) 5337c593c5STigran Mkrtchyan 549a74af21SBoaz Harrosh struct nfsd4_compound_state { 559a74af21SBoaz Harrosh struct svc_fh current_fh; 569a74af21SBoaz Harrosh struct svc_fh save_fh; 579a74af21SBoaz Harrosh struct nfs4_stateowner *replay_owner; 589a74af21SBoaz Harrosh /* For sessions DRC */ 599a74af21SBoaz Harrosh struct nfsd4_session *session; 609a74af21SBoaz Harrosh struct nfsd4_slot *slot; 61f5236013SJ. Bruce Fields int data_offset; 629a74af21SBoaz Harrosh size_t iovlen; 639a74af21SBoaz Harrosh u32 minorversion; 6457b7b43bSJ. Bruce Fields __be32 status; 6537c593c5STigran Mkrtchyan stateid_t current_stateid; 6637c593c5STigran Mkrtchyan stateid_t save_stateid; 6737c593c5STigran Mkrtchyan /* to indicate current and saved state id presents */ 6837c593c5STigran Mkrtchyan u32 sid_flags; 699a74af21SBoaz Harrosh }; 709a74af21SBoaz Harrosh 719a74af21SBoaz Harrosh static inline bool nfsd4_has_session(struct nfsd4_compound_state *cs) 729a74af21SBoaz Harrosh { 739a74af21SBoaz Harrosh return cs->slot != NULL; 749a74af21SBoaz Harrosh } 759a74af21SBoaz Harrosh 769a74af21SBoaz Harrosh struct nfsd4_change_info { 779a74af21SBoaz Harrosh u32 atomic; 789a74af21SBoaz Harrosh bool change_supported; 799a74af21SBoaz Harrosh u32 before_ctime_sec; 809a74af21SBoaz Harrosh u32 before_ctime_nsec; 819a74af21SBoaz Harrosh u64 before_change; 829a74af21SBoaz Harrosh u32 after_ctime_sec; 839a74af21SBoaz Harrosh u32 after_ctime_nsec; 849a74af21SBoaz Harrosh u64 after_change; 859a74af21SBoaz Harrosh }; 869a74af21SBoaz Harrosh 879a74af21SBoaz Harrosh struct nfsd4_access { 889a74af21SBoaz Harrosh u32 ac_req_access; /* request */ 899a74af21SBoaz Harrosh u32 ac_supported; /* response */ 909a74af21SBoaz Harrosh u32 ac_resp_access; /* response */ 919a74af21SBoaz Harrosh }; 929a74af21SBoaz Harrosh 939a74af21SBoaz Harrosh struct nfsd4_close { 949a74af21SBoaz Harrosh u32 cl_seqid; /* request */ 959a74af21SBoaz Harrosh stateid_t cl_stateid; /* request+response */ 969a74af21SBoaz Harrosh }; 979a74af21SBoaz Harrosh 989a74af21SBoaz Harrosh struct nfsd4_commit { 999a74af21SBoaz Harrosh u64 co_offset; /* request */ 1009a74af21SBoaz Harrosh u32 co_count; /* request */ 1019a74af21SBoaz Harrosh nfs4_verifier co_verf; /* response */ 1029a74af21SBoaz Harrosh }; 1039a74af21SBoaz Harrosh 1049a74af21SBoaz Harrosh struct nfsd4_create { 1059a74af21SBoaz Harrosh u32 cr_namelen; /* request */ 1069a74af21SBoaz Harrosh char * cr_name; /* request */ 1079a74af21SBoaz Harrosh u32 cr_type; /* request */ 1089a74af21SBoaz Harrosh union { /* request */ 1099a74af21SBoaz Harrosh struct { 1109a74af21SBoaz Harrosh u32 namelen; 1119a74af21SBoaz Harrosh char *name; 1129a74af21SBoaz Harrosh } link; /* NF4LNK */ 1139a74af21SBoaz Harrosh struct { 1149a74af21SBoaz Harrosh u32 specdata1; 1159a74af21SBoaz Harrosh u32 specdata2; 1169a74af21SBoaz Harrosh } dev; /* NF4BLK, NF4CHR */ 1179a74af21SBoaz Harrosh } u; 1189a74af21SBoaz Harrosh u32 cr_bmval[3]; /* request */ 1199a74af21SBoaz Harrosh struct iattr cr_iattr; /* request */ 1209a74af21SBoaz Harrosh struct nfsd4_change_info cr_cinfo; /* response */ 1219a74af21SBoaz Harrosh struct nfs4_acl *cr_acl; 12218032ca0SDavid Quigley struct xdr_netobj cr_label; 1239a74af21SBoaz Harrosh }; 1249a74af21SBoaz Harrosh #define cr_linklen u.link.namelen 1259a74af21SBoaz Harrosh #define cr_linkname u.link.name 1269a74af21SBoaz Harrosh #define cr_specdata1 u.dev.specdata1 1279a74af21SBoaz Harrosh #define cr_specdata2 u.dev.specdata2 1289a74af21SBoaz Harrosh 1299a74af21SBoaz Harrosh struct nfsd4_delegreturn { 1309a74af21SBoaz Harrosh stateid_t dr_stateid; 1319a74af21SBoaz Harrosh }; 1329a74af21SBoaz Harrosh 1339a74af21SBoaz Harrosh struct nfsd4_getattr { 1349a74af21SBoaz Harrosh u32 ga_bmval[3]; /* request */ 1359a74af21SBoaz Harrosh struct svc_fh *ga_fhp; /* response */ 1369a74af21SBoaz Harrosh }; 1379a74af21SBoaz Harrosh 1389a74af21SBoaz Harrosh struct nfsd4_link { 1399a74af21SBoaz Harrosh u32 li_namelen; /* request */ 1409a74af21SBoaz Harrosh char * li_name; /* request */ 1419a74af21SBoaz Harrosh struct nfsd4_change_info li_cinfo; /* response */ 1429a74af21SBoaz Harrosh }; 1439a74af21SBoaz Harrosh 1449a74af21SBoaz Harrosh struct nfsd4_lock_denied { 1459a74af21SBoaz Harrosh clientid_t ld_clientid; 1467c13f344SJ. Bruce Fields struct xdr_netobj ld_owner; 1479a74af21SBoaz Harrosh u64 ld_start; 1489a74af21SBoaz Harrosh u64 ld_length; 1499a74af21SBoaz Harrosh u32 ld_type; 1509a74af21SBoaz Harrosh }; 1519a74af21SBoaz Harrosh 1529a74af21SBoaz Harrosh struct nfsd4_lock { 1539a74af21SBoaz Harrosh /* request */ 1549a74af21SBoaz Harrosh u32 lk_type; 1559a74af21SBoaz Harrosh u32 lk_reclaim; /* boolean */ 1569a74af21SBoaz Harrosh u64 lk_offset; 1579a74af21SBoaz Harrosh u64 lk_length; 1589a74af21SBoaz Harrosh u32 lk_is_new; 1599a74af21SBoaz Harrosh union { 1609a74af21SBoaz Harrosh struct { 1619a74af21SBoaz Harrosh u32 open_seqid; 1629a74af21SBoaz Harrosh stateid_t open_stateid; 1639a74af21SBoaz Harrosh u32 lock_seqid; 1649a74af21SBoaz Harrosh clientid_t clientid; 1659a74af21SBoaz Harrosh struct xdr_netobj owner; 1669a74af21SBoaz Harrosh } new; 1679a74af21SBoaz Harrosh struct { 1689a74af21SBoaz Harrosh stateid_t lock_stateid; 1699a74af21SBoaz Harrosh u32 lock_seqid; 1709a74af21SBoaz Harrosh } old; 1719a74af21SBoaz Harrosh } v; 1729a74af21SBoaz Harrosh 1739a74af21SBoaz Harrosh /* response */ 1749a74af21SBoaz Harrosh union { 1759a74af21SBoaz Harrosh struct { 1769a74af21SBoaz Harrosh stateid_t stateid; 1779a74af21SBoaz Harrosh } ok; 1789a74af21SBoaz Harrosh struct nfsd4_lock_denied denied; 1799a74af21SBoaz Harrosh } u; 1809a74af21SBoaz Harrosh }; 1819a74af21SBoaz Harrosh #define lk_new_open_seqid v.new.open_seqid 1829a74af21SBoaz Harrosh #define lk_new_open_stateid v.new.open_stateid 1839a74af21SBoaz Harrosh #define lk_new_lock_seqid v.new.lock_seqid 1849a74af21SBoaz Harrosh #define lk_new_clientid v.new.clientid 1859a74af21SBoaz Harrosh #define lk_new_owner v.new.owner 1869a74af21SBoaz Harrosh #define lk_old_lock_stateid v.old.lock_stateid 1879a74af21SBoaz Harrosh #define lk_old_lock_seqid v.old.lock_seqid 1889a74af21SBoaz Harrosh 1899a74af21SBoaz Harrosh #define lk_resp_stateid u.ok.stateid 1909a74af21SBoaz Harrosh #define lk_denied u.denied 1919a74af21SBoaz Harrosh 1929a74af21SBoaz Harrosh 1939a74af21SBoaz Harrosh struct nfsd4_lockt { 1949a74af21SBoaz Harrosh u32 lt_type; 1959a74af21SBoaz Harrosh clientid_t lt_clientid; 1969a74af21SBoaz Harrosh struct xdr_netobj lt_owner; 1979a74af21SBoaz Harrosh u64 lt_offset; 1989a74af21SBoaz Harrosh u64 lt_length; 1999a74af21SBoaz Harrosh struct nfsd4_lock_denied lt_denied; 2009a74af21SBoaz Harrosh }; 2019a74af21SBoaz Harrosh 2029a74af21SBoaz Harrosh 2039a74af21SBoaz Harrosh struct nfsd4_locku { 2049a74af21SBoaz Harrosh u32 lu_type; 2059a74af21SBoaz Harrosh u32 lu_seqid; 2069a74af21SBoaz Harrosh stateid_t lu_stateid; 2079a74af21SBoaz Harrosh u64 lu_offset; 2089a74af21SBoaz Harrosh u64 lu_length; 2099a74af21SBoaz Harrosh }; 2109a74af21SBoaz Harrosh 2119a74af21SBoaz Harrosh 2129a74af21SBoaz Harrosh struct nfsd4_lookup { 2139a74af21SBoaz Harrosh u32 lo_len; /* request */ 2149a74af21SBoaz Harrosh char * lo_name; /* request */ 2159a74af21SBoaz Harrosh }; 2169a74af21SBoaz Harrosh 2179a74af21SBoaz Harrosh struct nfsd4_putfh { 2189a74af21SBoaz Harrosh u32 pf_fhlen; /* request */ 2199a74af21SBoaz Harrosh char *pf_fhval; /* request */ 2209a74af21SBoaz Harrosh }; 2219a74af21SBoaz Harrosh 2229a74af21SBoaz Harrosh struct nfsd4_open { 2239a74af21SBoaz Harrosh u32 op_claim_type; /* request */ 2249a74af21SBoaz Harrosh struct xdr_netobj op_fname; /* request - everything but CLAIM_PREV */ 2259a74af21SBoaz Harrosh u32 op_delegate_type; /* request - CLAIM_PREV only */ 2269a74af21SBoaz Harrosh stateid_t op_delegate_stateid; /* request - response */ 227d24433cdSBenny Halevy u32 op_why_no_deleg; /* response - DELEG_NONE_EXT only */ 2289a74af21SBoaz Harrosh u32 op_create; /* request */ 2299a74af21SBoaz Harrosh u32 op_createmode; /* request */ 2309a74af21SBoaz Harrosh u32 op_bmval[3]; /* request */ 2313ff69309SKinglong Mee struct iattr op_iattr; /* UNCHECKED4, GUARDED4, EXCLUSIVE4_1 */ 232ab4684d1SChuck Lever nfs4_verifier op_verf __attribute__((aligned(32))); 233ab4684d1SChuck Lever /* EXCLUSIVE4 */ 2349a74af21SBoaz Harrosh clientid_t op_clientid; /* request */ 2359a74af21SBoaz Harrosh struct xdr_netobj op_owner; /* request */ 2369a74af21SBoaz Harrosh u32 op_seqid; /* request */ 2379a74af21SBoaz Harrosh u32 op_share_access; /* request */ 2389a74af21SBoaz Harrosh u32 op_share_deny; /* request */ 2392c8bd7e0SBenny Halevy u32 op_deleg_want; /* request */ 2409a74af21SBoaz Harrosh stateid_t op_stateid; /* response */ 2419d313b17SJ. Bruce Fields __be32 op_xdr_error; /* see nfsd4_open_omfg() */ 2429a74af21SBoaz Harrosh u32 op_recall; /* recall */ 2439a74af21SBoaz Harrosh struct nfsd4_change_info op_cinfo; /* response */ 2449a74af21SBoaz Harrosh u32 op_rflags; /* response */ 245856121b2SJ. Bruce Fields bool op_truncate; /* used during processing */ 246856121b2SJ. Bruce Fields bool op_created; /* used during processing */ 247fe0750e5SJ. Bruce Fields struct nfs4_openowner *op_openowner; /* used during processing */ 24832513b40SJ. Bruce Fields struct nfs4_file *op_file; /* used during processing */ 2494cdc951bSJ. Bruce Fields struct nfs4_ol_stateid *op_stp; /* used during processing */ 2509a74af21SBoaz Harrosh struct nfs4_acl *op_acl; 25118032ca0SDavid Quigley struct xdr_netobj op_label; 2529a74af21SBoaz Harrosh }; 2539a74af21SBoaz Harrosh 2549a74af21SBoaz Harrosh struct nfsd4_open_confirm { 2559a74af21SBoaz Harrosh stateid_t oc_req_stateid /* request */; 2569a74af21SBoaz Harrosh u32 oc_seqid /* request */; 2579a74af21SBoaz Harrosh stateid_t oc_resp_stateid /* response */; 2589a74af21SBoaz Harrosh }; 2599a74af21SBoaz Harrosh 2609a74af21SBoaz Harrosh struct nfsd4_open_downgrade { 2619a74af21SBoaz Harrosh stateid_t od_stateid; 2629a74af21SBoaz Harrosh u32 od_seqid; 2632c8bd7e0SBenny Halevy u32 od_share_access; /* request */ 2642c8bd7e0SBenny Halevy u32 od_deleg_want; /* request */ 2652c8bd7e0SBenny Halevy u32 od_share_deny; /* request */ 2669a74af21SBoaz Harrosh }; 2679a74af21SBoaz Harrosh 2689a74af21SBoaz Harrosh 2699a74af21SBoaz Harrosh struct nfsd4_read { 2709a74af21SBoaz Harrosh stateid_t rd_stateid; /* request */ 2719a74af21SBoaz Harrosh u64 rd_offset; /* request */ 2729a74af21SBoaz Harrosh u32 rd_length; /* request */ 2739a74af21SBoaz Harrosh int rd_vlen; 2749a74af21SBoaz Harrosh struct file *rd_filp; 2759a74af21SBoaz Harrosh 2769a74af21SBoaz Harrosh struct svc_rqst *rd_rqstp; /* response */ 2779a74af21SBoaz Harrosh struct svc_fh * rd_fhp; /* response */ 2789a74af21SBoaz Harrosh }; 2799a74af21SBoaz Harrosh 2809a74af21SBoaz Harrosh struct nfsd4_readdir { 2819a74af21SBoaz Harrosh u64 rd_cookie; /* request */ 2829a74af21SBoaz Harrosh nfs4_verifier rd_verf; /* request */ 2839a74af21SBoaz Harrosh u32 rd_dircount; /* request */ 2849a74af21SBoaz Harrosh u32 rd_maxcount; /* request */ 2859a74af21SBoaz Harrosh u32 rd_bmval[3]; /* request */ 2869a74af21SBoaz Harrosh struct svc_rqst *rd_rqstp; /* response */ 2879a74af21SBoaz Harrosh struct svc_fh * rd_fhp; /* response */ 2889a74af21SBoaz Harrosh 2899a74af21SBoaz Harrosh struct readdir_cd common; 290561f0ed4SJ. Bruce Fields struct xdr_stream *xdr; 291561f0ed4SJ. Bruce Fields int cookie_offset; 2929a74af21SBoaz Harrosh }; 2939a74af21SBoaz Harrosh 2949a74af21SBoaz Harrosh struct nfsd4_release_lockowner { 2959a74af21SBoaz Harrosh clientid_t rl_clientid; 2969a74af21SBoaz Harrosh struct xdr_netobj rl_owner; 2979a74af21SBoaz Harrosh }; 2989a74af21SBoaz Harrosh struct nfsd4_readlink { 2999a74af21SBoaz Harrosh struct svc_rqst *rl_rqstp; /* request */ 3009a74af21SBoaz Harrosh struct svc_fh * rl_fhp; /* request */ 3019a74af21SBoaz Harrosh }; 3029a74af21SBoaz Harrosh 3039a74af21SBoaz Harrosh struct nfsd4_remove { 3049a74af21SBoaz Harrosh u32 rm_namelen; /* request */ 3059a74af21SBoaz Harrosh char * rm_name; /* request */ 3069a74af21SBoaz Harrosh struct nfsd4_change_info rm_cinfo; /* response */ 3079a74af21SBoaz Harrosh }; 3089a74af21SBoaz Harrosh 3099a74af21SBoaz Harrosh struct nfsd4_rename { 3109a74af21SBoaz Harrosh u32 rn_snamelen; /* request */ 3119a74af21SBoaz Harrosh char * rn_sname; /* request */ 3129a74af21SBoaz Harrosh u32 rn_tnamelen; /* request */ 3139a74af21SBoaz Harrosh char * rn_tname; /* request */ 3149a74af21SBoaz Harrosh struct nfsd4_change_info rn_sinfo; /* response */ 3159a74af21SBoaz Harrosh struct nfsd4_change_info rn_tinfo; /* response */ 3169a74af21SBoaz Harrosh }; 3179a74af21SBoaz Harrosh 3189a74af21SBoaz Harrosh struct nfsd4_secinfo { 3199a74af21SBoaz Harrosh u32 si_namelen; /* request */ 3209a74af21SBoaz Harrosh char *si_name; /* request */ 3219a74af21SBoaz Harrosh struct svc_export *si_exp; /* response */ 3229a74af21SBoaz Harrosh }; 3239a74af21SBoaz Harrosh 32404f4ad16SJ. Bruce Fields struct nfsd4_secinfo_no_name { 32504f4ad16SJ. Bruce Fields u32 sin_style; /* request */ 32604f4ad16SJ. Bruce Fields struct svc_export *sin_exp; /* response */ 32704f4ad16SJ. Bruce Fields }; 32804f4ad16SJ. Bruce Fields 3299a74af21SBoaz Harrosh struct nfsd4_setattr { 3309a74af21SBoaz Harrosh stateid_t sa_stateid; /* request */ 3319a74af21SBoaz Harrosh u32 sa_bmval[3]; /* request */ 3329a74af21SBoaz Harrosh struct iattr sa_iattr; /* request */ 3339a74af21SBoaz Harrosh struct nfs4_acl *sa_acl; 33418032ca0SDavid Quigley struct xdr_netobj sa_label; 3359a74af21SBoaz Harrosh }; 3369a74af21SBoaz Harrosh 3379a74af21SBoaz Harrosh struct nfsd4_setclientid { 3389a74af21SBoaz Harrosh nfs4_verifier se_verf; /* request */ 339a084daf5SJ. Bruce Fields struct xdr_netobj se_name; 3409a74af21SBoaz Harrosh u32 se_callback_prog; /* request */ 3419a74af21SBoaz Harrosh u32 se_callback_netid_len; /* request */ 3429a74af21SBoaz Harrosh char * se_callback_netid_val; /* request */ 3439a74af21SBoaz Harrosh u32 se_callback_addr_len; /* request */ 3449a74af21SBoaz Harrosh char * se_callback_addr_val; /* request */ 3459a74af21SBoaz Harrosh u32 se_callback_ident; /* request */ 3469a74af21SBoaz Harrosh clientid_t se_clientid; /* response */ 3479a74af21SBoaz Harrosh nfs4_verifier se_confirm; /* response */ 3489a74af21SBoaz Harrosh }; 3499a74af21SBoaz Harrosh 3509a74af21SBoaz Harrosh struct nfsd4_setclientid_confirm { 3519a74af21SBoaz Harrosh clientid_t sc_clientid; 3529a74af21SBoaz Harrosh nfs4_verifier sc_confirm; 3539a74af21SBoaz Harrosh }; 3549a74af21SBoaz Harrosh 35517456804SBryan Schumaker struct nfsd4_saved_compoundargs { 35617456804SBryan Schumaker __be32 *p; 35717456804SBryan Schumaker __be32 *end; 35817456804SBryan Schumaker int pagelen; 35917456804SBryan Schumaker struct page **pagelist; 36017456804SBryan Schumaker }; 36117456804SBryan Schumaker 36203cfb420SBryan Schumaker struct nfsd4_test_stateid_id { 36303cfb420SBryan Schumaker __be32 ts_id_status; 36403cfb420SBryan Schumaker stateid_t ts_id_stateid; 36503cfb420SBryan Schumaker struct list_head ts_id_list; 36603cfb420SBryan Schumaker }; 36703cfb420SBryan Schumaker 36817456804SBryan Schumaker struct nfsd4_test_stateid { 36957b7b43bSJ. Bruce Fields u32 ts_num_ids; 37003cfb420SBryan Schumaker struct list_head ts_stateid_list; 37117456804SBryan Schumaker }; 37217456804SBryan Schumaker 373e1ca12dfSBryan Schumaker struct nfsd4_free_stateid { 374e1ca12dfSBryan Schumaker stateid_t fr_stateid; /* request */ 375e1ca12dfSBryan Schumaker }; 376e1ca12dfSBryan Schumaker 3779a74af21SBoaz Harrosh /* also used for NVERIFY */ 3789a74af21SBoaz Harrosh struct nfsd4_verify { 3799a74af21SBoaz Harrosh u32 ve_bmval[3]; /* request */ 3809a74af21SBoaz Harrosh u32 ve_attrlen; /* request */ 3819a74af21SBoaz Harrosh char * ve_attrval; /* request */ 3829a74af21SBoaz Harrosh }; 3839a74af21SBoaz Harrosh 3849a74af21SBoaz Harrosh struct nfsd4_write { 3859a74af21SBoaz Harrosh stateid_t wr_stateid; /* request */ 3869a74af21SBoaz Harrosh u64 wr_offset; /* request */ 3879a74af21SBoaz Harrosh u32 wr_stable_how; /* request */ 3889a74af21SBoaz Harrosh u32 wr_buflen; /* request */ 38970cc7f75SJ. Bruce Fields struct kvec wr_head; 39070cc7f75SJ. Bruce Fields struct page ** wr_pagelist; /* request */ 3919a74af21SBoaz Harrosh 3929a74af21SBoaz Harrosh u32 wr_bytes_written; /* response */ 3939a74af21SBoaz Harrosh u32 wr_how_written; /* response */ 3949a74af21SBoaz Harrosh nfs4_verifier wr_verifier; /* response */ 3959a74af21SBoaz Harrosh }; 3969a74af21SBoaz Harrosh 3979a74af21SBoaz Harrosh struct nfsd4_exchange_id { 3989a74af21SBoaz Harrosh nfs4_verifier verifier; 3999a74af21SBoaz Harrosh struct xdr_netobj clname; 4009a74af21SBoaz Harrosh u32 flags; 4019a74af21SBoaz Harrosh clientid_t clientid; 4029a74af21SBoaz Harrosh u32 seqid; 4039a74af21SBoaz Harrosh int spa_how; 4049a74af21SBoaz Harrosh }; 4059a74af21SBoaz Harrosh 4069a74af21SBoaz Harrosh struct nfsd4_sequence { 4079a74af21SBoaz Harrosh struct nfs4_sessionid sessionid; /* request/response */ 4089a74af21SBoaz Harrosh u32 seqid; /* request/response */ 4099a74af21SBoaz Harrosh u32 slotid; /* request/response */ 4109a74af21SBoaz Harrosh u32 maxslots; /* request/response */ 4119a74af21SBoaz Harrosh u32 cachethis; /* request */ 4129a74af21SBoaz Harrosh #if 0 4139a74af21SBoaz Harrosh u32 target_maxslots; /* response */ 4149a74af21SBoaz Harrosh #endif /* not yet */ 4150d7bb719SJ. Bruce Fields u32 status_flags; /* response */ 4169a74af21SBoaz Harrosh }; 4179a74af21SBoaz Harrosh 4189a74af21SBoaz Harrosh struct nfsd4_destroy_session { 4199a74af21SBoaz Harrosh struct nfs4_sessionid sessionid; 4209a74af21SBoaz Harrosh }; 4219a74af21SBoaz Harrosh 422345c2842SMi Jinlong struct nfsd4_destroy_clientid { 423345c2842SMi Jinlong clientid_t clientid; 424345c2842SMi Jinlong }; 425345c2842SMi Jinlong 4264dc6ec00SJ. Bruce Fields struct nfsd4_reclaim_complete { 4274dc6ec00SJ. Bruce Fields u32 rca_one_fs; 4284dc6ec00SJ. Bruce Fields }; 4294dc6ec00SJ. Bruce Fields 4309a74af21SBoaz Harrosh struct nfsd4_op { 4319a74af21SBoaz Harrosh int opnum; 4329a74af21SBoaz Harrosh __be32 status; 4339a74af21SBoaz Harrosh union { 4349a74af21SBoaz Harrosh struct nfsd4_access access; 4359a74af21SBoaz Harrosh struct nfsd4_close close; 4369a74af21SBoaz Harrosh struct nfsd4_commit commit; 4379a74af21SBoaz Harrosh struct nfsd4_create create; 4389a74af21SBoaz Harrosh struct nfsd4_delegreturn delegreturn; 4399a74af21SBoaz Harrosh struct nfsd4_getattr getattr; 4409a74af21SBoaz Harrosh struct svc_fh * getfh; 4419a74af21SBoaz Harrosh struct nfsd4_link link; 4429a74af21SBoaz Harrosh struct nfsd4_lock lock; 4439a74af21SBoaz Harrosh struct nfsd4_lockt lockt; 4449a74af21SBoaz Harrosh struct nfsd4_locku locku; 4459a74af21SBoaz Harrosh struct nfsd4_lookup lookup; 4469a74af21SBoaz Harrosh struct nfsd4_verify nverify; 4479a74af21SBoaz Harrosh struct nfsd4_open open; 4489a74af21SBoaz Harrosh struct nfsd4_open_confirm open_confirm; 4499a74af21SBoaz Harrosh struct nfsd4_open_downgrade open_downgrade; 4509a74af21SBoaz Harrosh struct nfsd4_putfh putfh; 4519a74af21SBoaz Harrosh struct nfsd4_read read; 4529a74af21SBoaz Harrosh struct nfsd4_readdir readdir; 4539a74af21SBoaz Harrosh struct nfsd4_readlink readlink; 4549a74af21SBoaz Harrosh struct nfsd4_remove remove; 4559a74af21SBoaz Harrosh struct nfsd4_rename rename; 4569a74af21SBoaz Harrosh clientid_t renew; 4579a74af21SBoaz Harrosh struct nfsd4_secinfo secinfo; 4589a74af21SBoaz Harrosh struct nfsd4_setattr setattr; 4599a74af21SBoaz Harrosh struct nfsd4_setclientid setclientid; 4609a74af21SBoaz Harrosh struct nfsd4_setclientid_confirm setclientid_confirm; 4619a74af21SBoaz Harrosh struct nfsd4_verify verify; 4629a74af21SBoaz Harrosh struct nfsd4_write write; 4639a74af21SBoaz Harrosh struct nfsd4_release_lockowner release_lockowner; 4649a74af21SBoaz Harrosh 4659a74af21SBoaz Harrosh /* NFSv4.1 */ 4669a74af21SBoaz Harrosh struct nfsd4_exchange_id exchange_id; 467cb73a9f4SJ. Bruce Fields struct nfsd4_backchannel_ctl backchannel_ctl; 4681d1bc8f2SJ. Bruce Fields struct nfsd4_bind_conn_to_session bind_conn_to_session; 4699a74af21SBoaz Harrosh struct nfsd4_create_session create_session; 4709a74af21SBoaz Harrosh struct nfsd4_destroy_session destroy_session; 4719a74af21SBoaz Harrosh struct nfsd4_sequence sequence; 4724dc6ec00SJ. Bruce Fields struct nfsd4_reclaim_complete reclaim_complete; 47317456804SBryan Schumaker struct nfsd4_test_stateid test_stateid; 474e1ca12dfSBryan Schumaker struct nfsd4_free_stateid free_stateid; 4759a74af21SBoaz Harrosh } u; 4769a74af21SBoaz Harrosh struct nfs4_replay * replay; 4779a74af21SBoaz Harrosh }; 4789a74af21SBoaz Harrosh 4791091006cSJ. Bruce Fields bool nfsd4_cache_this_op(struct nfsd4_op *); 4801091006cSJ. Bruce Fields 4819a74af21SBoaz Harrosh struct nfsd4_compoundargs { 4829a74af21SBoaz Harrosh /* scratch variables for XDR decode */ 4839a74af21SBoaz Harrosh __be32 * p; 4849a74af21SBoaz Harrosh __be32 * end; 4859a74af21SBoaz Harrosh struct page ** pagelist; 4869a74af21SBoaz Harrosh int pagelen; 4879a74af21SBoaz Harrosh __be32 tmp[8]; 4889a74af21SBoaz Harrosh __be32 * tmpp; 4899a74af21SBoaz Harrosh struct tmpbuf { 4909a74af21SBoaz Harrosh struct tmpbuf *next; 4919a74af21SBoaz Harrosh void (*release)(const void *); 4929a74af21SBoaz Harrosh void *buf; 4939a74af21SBoaz Harrosh } *to_free; 4949a74af21SBoaz Harrosh 4959a74af21SBoaz Harrosh struct svc_rqst *rqstp; 4969a74af21SBoaz Harrosh 4979a74af21SBoaz Harrosh u32 taglen; 4989a74af21SBoaz Harrosh char * tag; 4999a74af21SBoaz Harrosh u32 minorversion; 5009a74af21SBoaz Harrosh u32 opcnt; 5019a74af21SBoaz Harrosh struct nfsd4_op *ops; 5029a74af21SBoaz Harrosh struct nfsd4_op iops[8]; 5031091006cSJ. Bruce Fields int cachetype; 5049a74af21SBoaz Harrosh }; 5059a74af21SBoaz Harrosh 5069a74af21SBoaz Harrosh struct nfsd4_compoundres { 5079a74af21SBoaz Harrosh /* scratch variables for XDR encode */ 5084aea24b2SJ. Bruce Fields struct xdr_stream xdr; 5099a74af21SBoaz Harrosh struct svc_rqst * rqstp; 5109a74af21SBoaz Harrosh 5119a74af21SBoaz Harrosh u32 taglen; 5129a74af21SBoaz Harrosh char * tag; 5139a74af21SBoaz Harrosh u32 opcnt; 5149a74af21SBoaz Harrosh __be32 * tagp; /* tag, opcount encode location */ 5159a74af21SBoaz Harrosh struct nfsd4_compound_state cstate; 5169a74af21SBoaz Harrosh }; 5179a74af21SBoaz Harrosh 5189a74af21SBoaz Harrosh static inline bool nfsd4_is_solo_sequence(struct nfsd4_compoundres *resp) 5199a74af21SBoaz Harrosh { 5209a74af21SBoaz Harrosh struct nfsd4_compoundargs *args = resp->rqstp->rq_argp; 5219a74af21SBoaz Harrosh return resp->opcnt == 1 && args->ops[0].opnum == OP_SEQUENCE; 5229a74af21SBoaz Harrosh } 5239a74af21SBoaz Harrosh 5249a74af21SBoaz Harrosh static inline bool nfsd4_not_cached(struct nfsd4_compoundres *resp) 5259a74af21SBoaz Harrosh { 52673e79482SJ. Bruce Fields return !(resp->cstate.slot->sl_flags & NFSD4_SLOT_CACHETHIS) 52773e79482SJ. Bruce Fields || nfsd4_is_solo_sequence(resp); 5289a74af21SBoaz Harrosh } 5299a74af21SBoaz Harrosh 5309b3234b9SJ. Bruce Fields static inline bool nfsd4_last_compound_op(struct svc_rqst *rqstp) 5319b3234b9SJ. Bruce Fields { 5329b3234b9SJ. Bruce Fields struct nfsd4_compoundres *resp = rqstp->rq_resp; 5339b3234b9SJ. Bruce Fields struct nfsd4_compoundargs *argp = rqstp->rq_argp; 5349b3234b9SJ. Bruce Fields 5359b3234b9SJ. Bruce Fields return argp->opcnt == resp->opcnt; 5369b3234b9SJ. Bruce Fields } 5379b3234b9SJ. Bruce Fields 5384f0cefbfSJ. Bruce Fields int nfsd4_max_reply(struct svc_rqst *rqstp, struct nfsd4_op *op); 53907d1f802SJ. Bruce Fields void warn_on_nonidempotent_op(struct nfsd4_op *op); 54007d1f802SJ. Bruce Fields 5419a74af21SBoaz Harrosh #define NFS4_SVC_XDRSIZE sizeof(struct nfsd4_compoundargs) 5429a74af21SBoaz Harrosh 5439a74af21SBoaz Harrosh static inline void 5449a74af21SBoaz Harrosh set_change_info(struct nfsd4_change_info *cinfo, struct svc_fh *fhp) 5459a74af21SBoaz Harrosh { 546c1ac3ffcSNeil Brown BUG_ON(!fhp->fh_pre_saved); 547c1ac3ffcSNeil Brown cinfo->atomic = fhp->fh_post_saved; 5489a74af21SBoaz Harrosh cinfo->change_supported = IS_I_VERSION(fhp->fh_dentry->d_inode); 549c1ac3ffcSNeil Brown 5509a74af21SBoaz Harrosh cinfo->before_change = fhp->fh_pre_change; 5519a74af21SBoaz Harrosh cinfo->after_change = fhp->fh_post_change; 5529a74af21SBoaz Harrosh cinfo->before_ctime_sec = fhp->fh_pre_ctime.tv_sec; 5539a74af21SBoaz Harrosh cinfo->before_ctime_nsec = fhp->fh_pre_ctime.tv_nsec; 5549a74af21SBoaz Harrosh cinfo->after_ctime_sec = fhp->fh_post_attr.ctime.tv_sec; 5559a74af21SBoaz Harrosh cinfo->after_ctime_nsec = fhp->fh_post_attr.ctime.tv_nsec; 556c1ac3ffcSNeil Brown 5579a74af21SBoaz Harrosh } 5589a74af21SBoaz Harrosh 5599a74af21SBoaz Harrosh int nfs4svc_encode_voidres(struct svc_rqst *, __be32 *, void *); 5609a74af21SBoaz Harrosh int nfs4svc_decode_compoundargs(struct svc_rqst *, __be32 *, 5619a74af21SBoaz Harrosh struct nfsd4_compoundargs *); 5629a74af21SBoaz Harrosh int nfs4svc_encode_compoundres(struct svc_rqst *, __be32 *, 5639a74af21SBoaz Harrosh struct nfsd4_compoundres *); 56457b7b43bSJ. Bruce Fields __be32 nfsd4_check_resp_size(struct nfsd4_compoundres *, u32); 5659a74af21SBoaz Harrosh void nfsd4_encode_operation(struct nfsd4_compoundres *, struct nfsd4_op *); 566d0a381ddSJ. Bruce Fields void nfsd4_encode_replay(struct xdr_stream *xdr, struct nfsd4_op *op); 567d5184658SJ. Bruce Fields __be32 nfsd4_encode_fattr_to_buf(__be32 **p, int words, 568d5184658SJ. Bruce Fields struct svc_fh *fhp, struct svc_export *exp, 569d5184658SJ. Bruce Fields struct dentry *dentry, 5709a74af21SBoaz Harrosh u32 *bmval, struct svc_rqst *, int ignore_crossmnt); 5719a74af21SBoaz Harrosh extern __be32 nfsd4_setclientid(struct svc_rqst *rqstp, 5729a74af21SBoaz Harrosh struct nfsd4_compound_state *, 5739a74af21SBoaz Harrosh struct nfsd4_setclientid *setclid); 5749a74af21SBoaz Harrosh extern __be32 nfsd4_setclientid_confirm(struct svc_rqst *rqstp, 5759a74af21SBoaz Harrosh struct nfsd4_compound_state *, 5769a74af21SBoaz Harrosh struct nfsd4_setclientid_confirm *setclientid_confirm); 5779a74af21SBoaz Harrosh extern void nfsd4_store_cache_entry(struct nfsd4_compoundres *resp); 5789a74af21SBoaz Harrosh extern __be32 nfsd4_exchange_id(struct svc_rqst *rqstp, 5793c4ab2aaSJ. Bruce Fields struct nfsd4_compound_state *, struct nfsd4_exchange_id *); 580cb73a9f4SJ. Bruce Fields extern __be32 nfsd4_backchannel_ctl(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_backchannel_ctl *); 5811d1bc8f2SJ. Bruce Fields extern __be32 nfsd4_bind_conn_to_session(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_bind_conn_to_session *); 5829a74af21SBoaz Harrosh extern __be32 nfsd4_create_session(struct svc_rqst *, 5839a74af21SBoaz Harrosh struct nfsd4_compound_state *, 5849a74af21SBoaz Harrosh struct nfsd4_create_session *); 5859a74af21SBoaz Harrosh extern __be32 nfsd4_sequence(struct svc_rqst *, 5869a74af21SBoaz Harrosh struct nfsd4_compound_state *, 5879a74af21SBoaz Harrosh struct nfsd4_sequence *); 5889a74af21SBoaz Harrosh extern __be32 nfsd4_destroy_session(struct svc_rqst *, 5899a74af21SBoaz Harrosh struct nfsd4_compound_state *, 5909a74af21SBoaz Harrosh struct nfsd4_destroy_session *); 591345c2842SMi Jinlong extern __be32 nfsd4_destroy_clientid(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_destroy_clientid *); 5924dc6ec00SJ. Bruce Fields __be32 nfsd4_reclaim_complete(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_reclaim_complete *); 5939a74af21SBoaz Harrosh extern __be32 nfsd4_process_open1(struct nfsd4_compound_state *, 5943320fef1SStanislav Kinsbursky struct nfsd4_open *open, struct nfsd_net *nn); 5959a74af21SBoaz Harrosh extern __be32 nfsd4_process_open2(struct svc_rqst *rqstp, 5969a74af21SBoaz Harrosh struct svc_fh *current_fh, struct nfsd4_open *open); 597d29b20cdSJ. Bruce Fields extern void nfsd4_cleanup_open_state(struct nfsd4_open *open, __be32 status); 5989a74af21SBoaz Harrosh extern __be32 nfsd4_open_confirm(struct svc_rqst *rqstp, 5999a74af21SBoaz Harrosh struct nfsd4_compound_state *, struct nfsd4_open_confirm *oc); 6009a74af21SBoaz Harrosh extern __be32 nfsd4_close(struct svc_rqst *rqstp, 6019a74af21SBoaz Harrosh struct nfsd4_compound_state *, 6029a74af21SBoaz Harrosh struct nfsd4_close *close); 6039a74af21SBoaz Harrosh extern __be32 nfsd4_open_downgrade(struct svc_rqst *rqstp, 6049a74af21SBoaz Harrosh struct nfsd4_compound_state *, 6059a74af21SBoaz Harrosh struct nfsd4_open_downgrade *od); 6069a74af21SBoaz Harrosh extern __be32 nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *, 6079a74af21SBoaz Harrosh struct nfsd4_lock *lock); 6089a74af21SBoaz Harrosh extern __be32 nfsd4_lockt(struct svc_rqst *rqstp, 6099a74af21SBoaz Harrosh struct nfsd4_compound_state *, 6109a74af21SBoaz Harrosh struct nfsd4_lockt *lockt); 6119a74af21SBoaz Harrosh extern __be32 nfsd4_locku(struct svc_rqst *rqstp, 6129a74af21SBoaz Harrosh struct nfsd4_compound_state *, 6139a74af21SBoaz Harrosh struct nfsd4_locku *locku); 6149a74af21SBoaz Harrosh extern __be32 6159a74af21SBoaz Harrosh nfsd4_release_lockowner(struct svc_rqst *rqstp, 6169a74af21SBoaz Harrosh struct nfsd4_compound_state *, 6179a74af21SBoaz Harrosh struct nfsd4_release_lockowner *rlockowner); 6183e98abffSJ. Bruce Fields extern int nfsd4_release_compoundargs(void *rq, __be32 *p, void *resp); 6199a74af21SBoaz Harrosh extern __be32 nfsd4_delegreturn(struct svc_rqst *rqstp, 6209a74af21SBoaz Harrosh struct nfsd4_compound_state *, struct nfsd4_delegreturn *dr); 6219a74af21SBoaz Harrosh extern __be32 nfsd4_renew(struct svc_rqst *rqstp, 6229a74af21SBoaz Harrosh struct nfsd4_compound_state *, clientid_t *clid); 62317456804SBryan Schumaker extern __be32 nfsd4_test_stateid(struct svc_rqst *rqstp, 62417456804SBryan Schumaker struct nfsd4_compound_state *, struct nfsd4_test_stateid *test_stateid); 625e1ca12dfSBryan Schumaker extern __be32 nfsd4_free_stateid(struct svc_rqst *rqstp, 626e1ca12dfSBryan Schumaker struct nfsd4_compound_state *, struct nfsd4_free_stateid *free_stateid); 6279411b1d4SJ. Bruce Fields extern void nfsd4_bump_seqid(struct nfsd4_compound_state *, __be32 nfserr); 6289a74af21SBoaz Harrosh #endif 6299a74af21SBoaz Harrosh 6309a74af21SBoaz Harrosh /* 6319a74af21SBoaz Harrosh * Local variables: 6329a74af21SBoaz Harrosh * c-basic-offset: 8 6339a74af21SBoaz Harrosh * End: 6349a74af21SBoaz Harrosh */ 635