1/*- 2 * Copyright (c) 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Rick Macklem at The University of Guelph. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 4. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * $FreeBSD$ 33 */ 34 35#ifndef _NFS_NFS_H_ 36#define _NFS_NFS_H_ 37/* 38 * Tunable constants for nfs 39 */ 40 41#define NFS_MAXIOVEC 34 42#define NFS_TICKINTVL 500 /* Desired time for a tick (msec) */ 43#define NFS_HZ (hz / nfscl_ticks) /* Ticks/sec */ 44#define NFS_TIMEO (1 * NFS_HZ) /* Default timeout = 1 second */ 45#define NFS_MINTIMEO (1 * NFS_HZ) /* Min timeout to use */ 46#define NFS_MAXTIMEO (60 * NFS_HZ) /* Max timeout to backoff to */ 47#define NFS_TCPTIMEO 300 /* TCP timeout */ 48#define NFS_MAXRCVTIMEO 60 /* 1 minute in seconds */ 49#define NFS_MINIDEMTIMEO (5 * NFS_HZ) /* Min timeout for non-idempotent ops*/ 50#define NFS_MAXREXMIT 100 /* Stop counting after this many */ 51#define NFSV4_CALLBACKTIMEO (2 * NFS_HZ) /* Timeout in ticks */ 52#define NFSV4_CALLBACKRETRY 5 /* Number of retries before failure */ 53#define NFSV4_CBSLOTS 8 /* Number of slots for session */ 54#define NFSV4_CBRETRYCNT 4 /* # of CBRecall retries upon err */ 55#define NFSV4_UPCALLTIMEO (15 * NFS_HZ) /* Timeout in ticks for upcalls */ 56 /* to gssd or nfsuserd */ 57#define NFSV4_UPCALLRETRY 4 /* Number of retries before failure */ 58#define NFS_MAXWINDOW 1024 /* Max number of outstanding requests */ 59#define NFS_RETRANS 10 /* Num of retrans for soft mounts */ 60#define NFS_RETRANS_TCP 2 /* Num of retrans for TCP soft mounts */ 61#define NFS_MAXGRPS 16 /* Max. size of groups list */ 62#define NFS_TRYLATERDEL 15 /* Maximum delay timeout (sec) */ 63#ifndef NFS_REMOVETIMEO 64#define NFS_REMOVETIMEO 15 /* # sec to wait for delegret in local syscall */ 65#endif 66#ifndef NFS_MINATTRTIMO 67#define NFS_MINATTRTIMO 5 /* Attribute cache timeout in sec */ 68#endif 69#ifndef NFS_MAXATTRTIMO 70#define NFS_MAXATTRTIMO 60 71#endif 72#define NFS_WSIZE 8192 /* Def. write data size <= 8192 */ 73#define NFS_RSIZE 8192 /* Def. read data size <= 8192 */ 74#define NFS_READDIRSIZE 8192 /* Def. readdir size */ 75#define NFS_DEFRAHEAD 1 /* Def. read ahead # blocks */ 76#define NFS_MAXRAHEAD 16 /* Max. read ahead # blocks */ 77#define NFS_MAXASYNCDAEMON 64 /* Max. number async_daemons runnable */ 78#define NFS_MAXUIDHASH 64 /* Max. # of hashed uid entries/mp */ 79#ifndef NFSRV_LEASE 80#define NFSRV_LEASE 120 /* Lease time in seconds for V4 */ 81#endif /* assigned to nfsrv_lease */ 82#ifndef NFSRV_STALELEASE 83#define NFSRV_STALELEASE (5 * nfsrv_lease) 84#endif 85#ifndef NFSRV_MOULDYLEASE 86#define NFSRV_MOULDYLEASE 604800 /* One week (in sec) */ 87#endif 88#ifndef NFSCLIENTHASHSIZE 89#define NFSCLIENTHASHSIZE 20 /* Size of server client hash table */ 90#endif 91#ifndef NFSLOCKHASHSIZE 92#define NFSLOCKHASHSIZE 20 /* Size of server nfslock hash table */ 93#endif 94#define NFSSTATEHASHSIZE 10 /* Size of server stateid hash table */ 95#ifndef NFSUSERHASHSIZE 96#define NFSUSERHASHSIZE 30 /* Size of user id hash table */ 97#endif 98#ifndef NFSGROUPHASHSIZE 99#define NFSGROUPHASHSIZE 5 /* Size of group id hash table */ 100#endif 101#ifndef NFSCLDELEGHIGHWATER 102#define NFSCLDELEGHIGHWATER 10000 /* limit for client delegations */ 103#endif 104#ifndef NFSCLLAYOUTHIGHWATER 105#define NFSCLLAYOUTHIGHWATER 10000 /* limit for client pNFS layouts */ 106#endif 107#ifndef NFSNOOPEN /* Inactive open owner (sec) */ 108#define NFSNOOPEN 120 109#endif 110#define NFSRV_LEASEDELTA 15 /* # of seconds to delay beyond lease */ 111#define NFS_IDMAXSIZE 4 /* max sizeof (in_addr_t) */ 112#ifndef NFSRVCACHE_UDPTIMEOUT 113#define NFSRVCACHE_UDPTIMEOUT 30 /* # of sec to hold cached rpcs(udp) */ 114#endif 115#ifndef NFSRVCACHE_UDPHIGHWATER 116#define NFSRVCACHE_UDPHIGHWATER 500 /* Max # of udp cache entries */ 117#endif 118#ifndef NFSRVCACHE_TCPTIMEOUT 119#define NFSRVCACHE_TCPTIMEOUT (3600*12) /*#of sec to hold cached rpcs(tcp) */ 120#endif 121#ifndef NFSRVCACHE_FLOODLEVEL 122#define NFSRVCACHE_FLOODLEVEL 16384 /* Very high water mark for cache */ 123#endif 124#ifndef NFSRV_CLIENTHIGHWATER 125#define NFSRV_CLIENTHIGHWATER 1000 126#endif 127#ifndef NFSRV_MAXDUMPLIST 128#define NFSRV_MAXDUMPLIST 10000 129#endif 130#ifndef NFS_ACCESSCACHESIZE 131#define NFS_ACCESSCACHESIZE 8 132#endif 133#define NFSV4_CBPORT 7745 /* Callback port for testing */ 134 135/* 136 * This macro defines the high water mark for issuing V4 delegations. 137 * (It is currently set at a conservative 20% of NFSRV_V4STATELIMIT. This 138 * may want to increase when clients can make more effective use of 139 * delegations.) 140 */ 141#define NFSRV_V4DELEGLIMIT(c) (((c) * 5) > NFSRV_V4STATELIMIT) 142 143#define NFS_READDIRBLKSIZ DIRBLKSIZ /* Minimal nm_readdirsize */ 144 145/* 146 * Oddballs 147 */ 148#define NFS_CMPFH(n, f, s) \ 149 ((n)->n_fhp->nfh_len == (s) && !NFSBCMP((n)->n_fhp->nfh_fh, (caddr_t)(f), (s))) 150#define NFSRV_CMPFH(nf, ns, f, s) \ 151 ((ns) == (s) && !NFSBCMP((caddr_t)(nf), (caddr_t)(f), (s))) 152#define NFS_CMPTIME(t1, t2) \ 153 ((t1).tv_sec == (t2).tv_sec && (t1).tv_nsec == (t2).tv_nsec) 154#define NFS_SETTIME(t) do { \ 155 (t).tv_sec = time.tv_sec; (t).tv_nsec = 1000 * time.tv_usec; } while (0) 156#define NFS_SRVMAXDATA(n) \ 157 (((n)->nd_flag & (ND_NFSV3 | ND_NFSV4)) ? \ 158 NFS_MAXDATA : NFS_V2MAXDATA) 159#define NFS64BITSSET 0xffffffffffffffffull 160#define NFS64BITSMINUS1 0xfffffffffffffffeull 161 162/* 163 * Structures for the nfssvc(2) syscall. Not that anyone but nfsd, mount_nfs 164 * and nfsloaduser should ever try and use it. 165 */ 166struct nfsd_addsock_args { 167 int sock; /* Socket to serve */ 168 caddr_t name; /* Client addr for connection based sockets */ 169 int namelen; /* Length of name */ 170}; 171 172/* 173 * nfsd argument for new krpc. 174 */ 175struct nfsd_nfsd_args { 176 const char *principal; /* GSS-API service principal name */ 177 int minthreads; /* minimum service thread count */ 178 int maxthreads; /* maximum service thread count */ 179}; 180 181/* 182 * Arguments for use by the callback daemon. 183 */ 184struct nfsd_nfscbd_args { 185 const char *principal; /* GSS-API service principal name */ 186}; 187 188struct nfscbd_args { 189 int sock; /* Socket to serve */ 190 caddr_t name; /* Client addr for connection based sockets */ 191 int namelen; /* Length of name */ 192 u_short port; /* Port# for callbacks */ 193}; 194 195struct nfsd_idargs { 196 int nid_flag; /* Flags (see below) */ 197 uid_t nid_uid; /* user/group id */ 198 gid_t nid_gid; 199 int nid_usermax; /* Upper bound on user name cache */ 200 int nid_usertimeout;/* User name timeout (minutes) */ 201 u_char *nid_name; /* Name */ 202 int nid_namelen; /* and its length */ 203}; 204 205struct nfsd_clid { 206 int nclid_idlen; /* Length of client id */ 207 u_char nclid_id[NFSV4_OPAQUELIMIT]; /* and name */ 208}; 209 210struct nfsd_dumplist { 211 int ndl_size; /* Number of elements */ 212 void *ndl_list; /* and the list of elements */ 213}; 214 215struct nfsd_dumpclients { 216 u_int32_t ndcl_flags; /* LCL_xxx flags */ 217 u_int32_t ndcl_nopenowners; /* Number of openowners */ 218 u_int32_t ndcl_nopens; /* and opens */ 219 u_int32_t ndcl_nlockowners; /* and of lockowners */ 220 u_int32_t ndcl_nlocks; /* and of locks */ 221 u_int32_t ndcl_ndelegs; /* and of delegations */ 222 u_int32_t ndcl_nolddelegs; /* and old delegations */ 223 sa_family_t ndcl_addrfam; /* Callback address */ 224 union { 225 struct in_addr sin_addr; 226 struct in6_addr sin6_addr; 227 } ndcl_cbaddr; 228 struct nfsd_clid ndcl_clid; /* and client id */ 229}; 230 231struct nfsd_dumplocklist { 232 char *ndllck_fname; /* File Name */ 233 int ndllck_size; /* Number of elements */ 234 void *ndllck_list; /* and the list of elements */ 235}; 236 237struct nfsd_dumplocks { 238 u_int32_t ndlck_flags; /* state flags NFSLCK_xxx */ 239 nfsv4stateid_t ndlck_stateid; /* stateid */ 240 u_int64_t ndlck_first; /* lock byte range */ 241 u_int64_t ndlck_end; 242 struct nfsd_clid ndlck_owner; /* Owner of open/lock */ 243 sa_family_t ndlck_addrfam; /* Callback address */ 244 union { 245 struct in_addr sin_addr; 246 struct in6_addr sin6_addr; 247 } ndlck_cbaddr; 248 struct nfsd_clid ndlck_clid; /* and client id */ 249}; 250 251/* 252 * Structure for referral information. 253 */ 254struct nfsreferral { 255 u_char *nfr_srvlist; /* List of servers */ 256 int nfr_srvcnt; /* number of servers */ 257 vnode_t nfr_vp; /* vnode for referral */ 258 u_int32_t nfr_dfileno; /* assigned dir inode# */ 259}; 260 261/* 262 * Flags for lc_flags and opsflags for nfsrv_getclient(). 263 */ 264#define LCL_NEEDSCONFIRM 0x00000001 265#define LCL_DONTCLEAN 0x00000002 266#define LCL_WAKEUPWANTED 0x00000004 267#define LCL_TCPCALLBACK 0x00000008 268#define LCL_CALLBACKSON 0x00000010 269#define LCL_INDEXNOTOK 0x00000020 270#define LCL_STAMPEDSTABLE 0x00000040 271#define LCL_EXPIREIT 0x00000080 272#define LCL_CBDOWN 0x00000100 273#define LCL_KERBV 0x00000400 274#define LCL_NAME 0x00000800 275#define LCL_NEEDSCBNULL 0x00001000 276#define LCL_GSSINTEGRITY 0x00002000 277#define LCL_GSSPRIVACY 0x00004000 278#define LCL_ADMINREVOKED 0x00008000 279 280#define LCL_GSS LCL_KERBV /* Or of all mechs */ 281 282/* 283 * Bits for flags in nfslock and nfsstate. 284 * The access, deny, NFSLCK_READ and NFSLCK_WRITE bits must be defined as 285 * below, in the correct order, so the shifts work for tests. 286 */ 287#define NFSLCK_READACCESS 0x00000001 288#define NFSLCK_WRITEACCESS 0x00000002 289#define NFSLCK_ACCESSBITS (NFSLCK_READACCESS | NFSLCK_WRITEACCESS) 290#define NFSLCK_SHIFT 2 291#define NFSLCK_READDENY 0x00000004 292#define NFSLCK_WRITEDENY 0x00000008 293#define NFSLCK_DENYBITS (NFSLCK_READDENY | NFSLCK_WRITEDENY) 294#define NFSLCK_SHAREBITS \ 295 (NFSLCK_READACCESS|NFSLCK_WRITEACCESS|NFSLCK_READDENY|NFSLCK_WRITEDENY) 296#define NFSLCK_LOCKSHIFT 4 297#define NFSLCK_READ 0x00000010 298#define NFSLCK_WRITE 0x00000020 299#define NFSLCK_BLOCKING 0x00000040 300#define NFSLCK_RECLAIM 0x00000080 301#define NFSLCK_OPENTOLOCK 0x00000100 302#define NFSLCK_TEST 0x00000200 303#define NFSLCK_LOCK 0x00000400 304#define NFSLCK_UNLOCK 0x00000800 305#define NFSLCK_OPEN 0x00001000 306#define NFSLCK_CLOSE 0x00002000 307#define NFSLCK_CHECK 0x00004000 308#define NFSLCK_RELEASE 0x00008000 309#define NFSLCK_NEEDSCONFIRM 0x00010000 310#define NFSLCK_CONFIRM 0x00020000 311#define NFSLCK_DOWNGRADE 0x00040000 312#define NFSLCK_DELEGREAD 0x00080000 313#define NFSLCK_DELEGWRITE 0x00100000 314#define NFSLCK_DELEGCUR 0x00200000 315#define NFSLCK_DELEGPREV 0x00400000 316#define NFSLCK_OLDDELEG 0x00800000 317#define NFSLCK_DELEGRECALL 0x01000000 318#define NFSLCK_SETATTR 0x02000000 319#define NFSLCK_DELEGPURGE 0x04000000 320#define NFSLCK_DELEGRETURN 0x08000000 321 322/* And bits for nid_flag */ 323#define NFSID_INITIALIZE 0x0001 324#define NFSID_ADDUID 0x0002 325#define NFSID_DELUID 0x0004 326#define NFSID_ADDUSERNAME 0x0008 327#define NFSID_DELUSERNAME 0x0010 328#define NFSID_ADDGID 0x0020 329#define NFSID_DELGID 0x0040 330#define NFSID_ADDGROUPNAME 0x0080 331#define NFSID_DELGROUPNAME 0x0100 332 333/* 334 * fs.nfs sysctl(3) identifiers 335 */ 336#define NFS_NFSSTATS 1 /* struct: struct nfsstats */ 337 338/* 339 * Here is the definition of the attribute bits array and macros that 340 * manipulate it. 341 * THE MACROS MUST BE MANUALLY MODIFIED IF NFSATTRBIT_MAXWORDS CHANGES!! 342 * It is (NFSATTRBIT_MAX + 31) / 32. 343 */ 344#define NFSATTRBIT_MAXWORDS 2 345 346typedef struct { 347 u_int32_t bits[NFSATTRBIT_MAXWORDS]; 348} nfsattrbit_t; 349 350#define NFSZERO_ATTRBIT(b) do { (b)->bits[0] = 0; (b)->bits[1] = 0; } while (0) 351#define NFSSET_ATTRBIT(t, f) do { (t)->bits[0] = (f)->bits[0]; \ 352 (t)->bits[1] = (f)->bits[1]; } while (0) 353#define NFSSETSUPP_ATTRBIT(b) do { \ 354 (b)->bits[0] = NFSATTRBIT_SUPP0; \ 355 (b)->bits[1] = (NFSATTRBIT_SUPP1 | NFSATTRBIT_SUPPSETONLY); } while (0) 356#define NFSISSET_ATTRBIT(b, p) ((b)->bits[(p) / 32] & (1 << ((p) % 32))) 357#define NFSSETBIT_ATTRBIT(b, p) ((b)->bits[(p) / 32] |= (1 << ((p) % 32))) 358#define NFSCLRBIT_ATTRBIT(b, p) ((b)->bits[(p) / 32] &= ~(1 << ((p) % 32))) 359#define NFSCLRALL_ATTRBIT(b, a) do { \ 360 (b)->bits[0] &= ~((a)->bits[0]); \ 361 (b)->bits[1] &= ~((a)->bits[1]); \ 362 } while (0) 363#define NFSCLRNOT_ATTRBIT(b, a) do { \ 364 (b)->bits[0] &= ((a)->bits[0]); \ 365 (b)->bits[1] &= ((a)->bits[1]); \ 366 } while (0) 367#define NFSCLRNOTFILLABLE_ATTRBIT(b) do { \ 368 (b)->bits[0] &= NFSATTRBIT_SUPP0; \ 369 (b)->bits[1] &= NFSATTRBIT_SUPP1; } while (0) 370#define NFSCLRNOTSETABLE_ATTRBIT(b) do { \ 371 (b)->bits[0] &= NFSATTRBIT_SETABLE0; \ 372 (b)->bits[1] &= NFSATTRBIT_SETABLE1; } while (0) 373#define NFSNONZERO_ATTRBIT(b) ((b)->bits[0] || (b)->bits[1]) 374#define NFSEQUAL_ATTRBIT(b, p) \ 375 ((b)->bits[0] == (p)->bits[0] && (b)->bits[1] == (p)->bits[1]) 376#define NFSGETATTR_ATTRBIT(b) do { \ 377 (b)->bits[0] = NFSATTRBIT_GETATTR0; \ 378 (b)->bits[1] = NFSATTRBIT_GETATTR1; } while (0) 379#define NFSWCCATTR_ATTRBIT(b) do { \ 380 (b)->bits[0] = NFSATTRBIT_WCCATTR0; \ 381 (b)->bits[1] = NFSATTRBIT_WCCATTR1; } while (0) 382#define NFSWRITEGETATTR_ATTRBIT(b) do { \ 383 (b)->bits[0] = NFSATTRBIT_WRITEGETATTR0; \ 384 (b)->bits[1] = NFSATTRBIT_WRITEGETATTR1; } while (0) 385#define NFSCBGETATTR_ATTRBIT(b, c) do { \ 386 (c)->bits[0] = ((b)->bits[0] & NFSATTRBIT_CBGETATTR0); \ 387 (c)->bits[1] = ((b)->bits[1] & NFSATTRBIT_CBGETATTR1); } while (0) 388#define NFSPATHCONF_GETATTRBIT(b) do { \ 389 (b)->bits[0] = NFSGETATTRBIT_PATHCONF0; \ 390 (b)->bits[1] = NFSGETATTRBIT_PATHCONF1; } while (0) 391#define NFSSTATFS_GETATTRBIT(b) do { \ 392 (b)->bits[0] = NFSGETATTRBIT_STATFS0; \ 393 (b)->bits[1] = NFSGETATTRBIT_STATFS1; } while (0) 394#define NFSISSETSTATFS_ATTRBIT(b) \ 395 (((b)->bits[0] & NFSATTRBIT_STATFS0) || \ 396 ((b)->bits[1] & NFSATTRBIT_STATFS1)) 397#define NFSCLRSTATFS_ATTRBIT(b) do { \ 398 (b)->bits[0] &= ~NFSATTRBIT_STATFS0; \ 399 (b)->bits[1] &= ~NFSATTRBIT_STATFS1; } while (0) 400#define NFSREADDIRPLUS_ATTRBIT(b) do { \ 401 (b)->bits[0] = NFSATTRBIT_READDIRPLUS0; \ 402 (b)->bits[1] = NFSATTRBIT_READDIRPLUS1; } while (0) 403#define NFSREFERRAL_ATTRBIT(b) do { \ 404 (b)->bits[0] = NFSATTRBIT_REFERRAL0; \ 405 (b)->bits[1] = NFSATTRBIT_REFERRAL1; } while (0) 406 407/* 408 * Store uid, gid creds that were used when the stateid was acquired. 409 * The RPC layer allows NFS_MAXGRPS + 1 groups to go out on the wire, 410 * so that's how many gets stored here. 411 */ 412struct nfscred { 413 uid_t nfsc_uid; 414 gid_t nfsc_groups[NFS_MAXGRPS + 1]; 415 int nfsc_ngroups; 416}; 417 418/* 419 * Constants that define the file handle for the V4 root directory. 420 * (The FSID must never be used by other file systems that are exported.) 421 */ 422#define NFSV4ROOT_FSID0 ((int32_t) -1) 423#define NFSV4ROOT_FSID1 ((int32_t) -1) 424#define NFSV4ROOT_REFERRAL ((int32_t) -2) 425#define NFSV4ROOT_INO 2 /* It's traditional */ 426#define NFSV4ROOT_GEN 1 427 428/* 429 * The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts. 430 * What should be in this set is open to debate, but I believe that since 431 * I/O system calls on ufs are never interrupted by signals the set should 432 * be minimal. My reasoning is that many current programs that use signals 433 * such as SIGALRM will not expect file I/O system calls to be interrupted 434 * by them and break. 435 */ 436#if defined(_KERNEL) || defined(KERNEL) 437 438struct uio; struct buf; struct vattr; struct nameidata; /* XXX */ 439 440/* 441 * Socket errors ignored for connectionless sockets? 442 * For now, ignore them all 443 */ 444#define NFSIGNORE_SOERROR(s, e) \ 445 ((e) != EINTR && (e) != ERESTART && (e) != EWOULDBLOCK && \ 446 ((s) & PR_CONNREQUIRED) == 0) 447 448 449/* 450 * This structure holds socket information for a connection. Used by the 451 * client and the server for callbacks. 452 */ 453struct nfssockreq { 454 NFSSOCKADDR_T nr_nam; 455 int nr_sotype; 456 int nr_soproto; 457 int nr_soflags; 458 struct ucred *nr_cred; 459 int nr_lock; 460 NFSMUTEX_T nr_mtx; 461 u_int32_t nr_prog; 462 u_int32_t nr_vers; 463 struct __rpc_client *nr_client; 464 AUTH *nr_auth; 465}; 466 467/* 468 * And associated nr_lock bits. 469 */ 470#define NFSR_SNDLOCK 0x01 471#define NFSR_WANTSND 0x02 472#define NFSR_RCVLOCK 0x04 473#define NFSR_WANTRCV 0x08 474#define NFSR_RESERVEDPORT 0x10 475#define NFSR_LOCALHOST 0x20 476 477/* 478 * Queue head for nfsreq's 479 */ 480TAILQ_HEAD(nfsreqhead, nfsreq); 481 482/* This is the only nfsreq R_xxx flag still used. */ 483#define R_DONTRECOVER 0x00000100 /* don't initiate recovery when this 484 rpc gets a stale state reply */ 485 486/* 487 * Network address hash list element 488 */ 489union nethostaddr { 490 struct in_addr had_inet; 491 struct in6_addr had_inet6; 492}; 493 494/* 495 * Structure of list of mechanisms. 496 */ 497struct nfsgss_mechlist { 498 int len; 499 const u_char *str; 500 int totlen; 501}; 502#define KERBV_MECH 0 /* position in list */ 503 504/* 505 * This structure is used by the server for describing each request. 506 */ 507struct nfsrv_descript { 508 mbuf_t nd_mrep; /* Request mbuf list */ 509 mbuf_t nd_md; /* Current dissect mbuf */ 510 mbuf_t nd_mreq; /* Reply mbuf list */ 511 mbuf_t nd_mb; /* Current build mbuf */ 512 NFSSOCKADDR_T nd_nam; /* and socket addr */ 513 NFSSOCKADDR_T nd_nam2; /* return socket addr */ 514 caddr_t nd_dpos; /* Current dissect pos */ 515 caddr_t nd_bpos; /* Current build pos */ 516 u_int16_t nd_procnum; /* RPC # */ 517 u_int32_t nd_flag; /* nd_flag */ 518 u_int32_t nd_repstat; /* Reply status */ 519 int *nd_errp; /* Pointer to ret status */ 520 u_int32_t nd_retxid; /* Reply xid */ 521 struct nfsrvcache *nd_rp; /* Assoc. cache entry */ 522 fhandle_t nd_fh; /* File handle */ 523 struct ucred *nd_cred; /* Credentials */ 524 uid_t nd_saveduid; /* Saved uid */ 525 u_int64_t nd_sockref; /* Rcv socket ref# */ 526 u_int64_t nd_compref; /* Compound RPC ref# */ 527 time_t nd_tcpconntime; /* Time TCP connection est. */ 528 nfsquad_t nd_clientid; /* Implied clientid */ 529 int nd_gssnamelen; /* principal name length */ 530 char *nd_gssname; /* principal name */ 531 uint32_t *nd_slotseq; /* ptr to slot seq# in req */ 532}; 533 534#define nd_princlen nd_gssnamelen 535#define nd_principal nd_gssname 536 537/* Bits for "nd_flag" */ 538#define ND_DONTSAVEREPLY 0x00000001 539#define ND_SAVEREPLY 0x00000002 540#define ND_NFSV2 0x00000004 541#define ND_NFSV3 0x00000008 542#define ND_NFSV4 0x00000010 543#define ND_KERBV 0x00000020 544#define ND_GSSINTEGRITY 0x00000040 545#define ND_GSSPRIVACY 0x00000080 546#define ND_WINDOWVERF 0x00000100 547#define ND_GSSINITREPLY 0x00000200 548#define ND_STREAMSOCK 0x00000400 549#define ND_PUBLOOKUP 0x00000800 550#define ND_USEGSSNAME 0x00001000 551#define ND_SAMETCPCONN 0x00002000 552#define ND_IMPLIEDCLID 0x00004000 553#define ND_NOMOREDATA 0x00008000 554#define ND_V4WCCATTR 0x00010000 555#define ND_NFSCB 0x00020000 556#define ND_AUTHNONE 0x00040000 557#define ND_EXAUTHSYS 0x00080000 558#define ND_EXGSS 0x00100000 559#define ND_EXGSSINTEGRITY 0x00200000 560#define ND_EXGSSPRIVACY 0x00400000 561#define ND_INCRSEQID 0x00800000 562#define ND_NFSCL 0x01000000 563#define ND_NFSV41 0x02000000 564#define ND_HASSEQUENCE 0x04000000 565 566/* 567 * ND_GSS should be the "or" of all GSS type authentications. 568 */ 569#define ND_GSS (ND_KERBV) 570 571struct nfsv4_opflag { 572 int retfh; 573 int needscfh; 574 int savereply; 575 int modifyfs; 576 int lktype; 577 int needsseq; 578}; 579 580/* 581 * Flags used to indicate what to do w.r.t. seqid checking. 582 */ 583#define NFSRVSEQID_FIRST 0x01 584#define NFSRVSEQID_LAST 0x02 585#define NFSRVSEQID_OPEN 0x04 586 587/* 588 * assign a doubly linked list to a new head 589 * and prepend one list into another. 590 */ 591#define LIST_NEWHEAD(nhead, ohead, field) do { \ 592 if (((nhead)->lh_first = (ohead)->lh_first) != NULL) \ 593 (ohead)->lh_first->field.le_prev = &(nhead)->lh_first; \ 594 (ohead)->lh_first = NULL; \ 595 } while (0) 596 597#define LIST_PREPEND(head, phead, lelm, field) do { \ 598 if ((head)->lh_first != NULL) { \ 599 (lelm)->field.le_next = (head)->lh_first; \ 600 (lelm)->field.le_next->field.le_prev = \ 601 &(lelm)->field.le_next; \ 602 } \ 603 (head)->lh_first = (phead)->lh_first; \ 604 (head)->lh_first->field.le_prev = &(head)->lh_first; \ 605 } while (0) 606 607/* 608 * File handle structure for client. Malloc'd to the correct length with 609 * malloc type M_NFSFH. 610 */ 611struct nfsfh { 612 u_int16_t nfh_len; /* Length of file handle */ 613 u_int8_t nfh_fh[1]; /* and the file handle */ 614}; 615 616/* 617 * File handle structure for server. The NFSRV_MAXFH constant is 618 * set in nfsdport.h. I use a 32bit length, so that alignment is 619 * preserved. 620 */ 621struct nfsrvfh { 622 u_int32_t nfsrvfh_len; 623 u_int8_t nfsrvfh_data[NFSRV_MAXFH]; 624}; 625 626/* 627 * This structure is used for sleep locks on the NFSv4 nfsd threads and 628 * NFSv4 client data structures. 629 */ 630struct nfsv4lock { 631 u_int32_t nfslock_usecnt; 632 u_int8_t nfslock_lock; 633}; 634#define NFSV4LOCK_LOCK 0x01 635#define NFSV4LOCK_LOCKWANTED 0x02 636#define NFSV4LOCK_WANTED 0x04 637 638/* 639 * Values for the override argument for nfsvno_accchk(). 640 */ 641#define NFSACCCHK_NOOVERRIDE 0 642#define NFSACCCHK_ALLOWROOT 1 643#define NFSACCCHK_ALLOWOWNER 2 644 645/* 646 * and values for the vpislocked argument for nfsvno_accchk(). 647 */ 648#define NFSACCCHK_VPNOTLOCKED 0 649#define NFSACCCHK_VPISLOCKED 1 650 651/* 652 * Slot for the NFSv4.1 Sequence Op. 653 */ 654struct nfsslot { 655 int nfssl_inprog; 656 uint32_t nfssl_seq; 657 struct mbuf *nfssl_reply; 658}; 659 660#endif /* _KERNEL */ 661 662#endif /* _NFS_NFS_H */ 663