nfs.h revision 1.48
1 /* $NetBSD: nfs.h,v 1.48 2004/10/26 00:58:54 yamt Exp $ */ 2 /* 3 * Copyright (c) 1989, 1993, 1995 4 * The Regents of the University of California. All rights reserved. 5 * 6 * This code is derived from software contributed to Berkeley by 7 * Rick Macklem at The University of Guelph. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)nfs.h 8.4 (Berkeley) 5/1/95 34 */ 35 36 #ifndef _NFS_NFS_H_ 37 #define _NFS_NFS_H_ 38 39 /* 40 * Tunable constants for nfs 41 */ 42 43 #define NFS_MAXIOVEC 34 44 #define NFS_TICKINTVL 5 /* Desired time for a tick (msec) */ 45 #define NFS_HZ (hz / nfs_ticks) /* Ticks/sec */ 46 #define NFS_TIMEO (3 * NFS_HZ) /* Default timeout = 3 seconds */ 47 #define NFS_MINTIMEO (1 * NFS_HZ) /* Min timeout to use */ 48 #define NFS_MAXTIMEO (60 * NFS_HZ) /* Max timeout to backoff to */ 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 NFS_MAXWINDOW 1024 /* Max number of outstanding requests */ 52 #define NFS_RETRANS 10 /* Num of retrans for soft mounts */ 53 #define NFS_MAXGRPS 16 /* Max. size of groups list */ 54 #ifndef NFS_MINATTRTIMO 55 #define NFS_MINATTRTIMO 5 /* Attribute cache timeout in sec */ 56 #endif 57 #ifndef NFS_MAXATTRTIMO 58 #define NFS_MAXATTRTIMO 60 59 #endif 60 #define NFS_TRYLATERDEL 1 /* Initial try later delay (sec) */ 61 #define NFS_TRYLATERDELMAX (1*60) /* Maximum try later delay (sec) */ 62 #define NFS_TRYLATERDELMUL 2 /* Exponential backoff multiplier */ 63 64 /* 65 * These can be overridden through <machine/param.h>, included via 66 * <sys/param.h>. This means that <sys/param.h> should always be 67 * included before this file. 68 */ 69 #ifndef NFS_WSIZE 70 #define NFS_WSIZE 8192 /* Def. write data size */ 71 #endif 72 #ifndef NFS_RSIZE 73 #define NFS_RSIZE 8192 /* Def. read data size */ 74 #endif 75 #ifndef NFS_READDIRSIZE 76 #define NFS_READDIRSIZE 8192 /* Def. readdir size */ 77 #endif 78 79 /* 80 * NFS client IO daemon threads. May be overridden by config options. 81 */ 82 #ifndef NFS_MAXASYNCDAEMON 83 #define NFS_MAXASYNCDAEMON 128 /* Max. number async_daemons runable */ 84 #endif 85 86 /* 87 * NFS client read-ahead. May be overridden by config options. 88 * Should be no more than NFS_MAXASYNCDAEMON as each read-ahead operation 89 * requires one IO thread. 90 */ 91 #ifndef NFS_MAXRAHEAD 92 #define NFS_MAXRAHEAD 32 /* Max. read ahead # blocks */ 93 #endif 94 #define NFS_DEFRAHEAD 2 /* Def. read ahead # blocks */ 95 96 #define NFS_MAXUIDHASH 64 /* Max. # of hashed uid entries/mp */ 97 98 #ifdef _KERNEL 99 extern int nfs_niothreads; /* Number of async_daemons desired */ 100 #ifndef NFS_DEFAULT_NIOTHREADS 101 #define NFS_DEFAULT_NIOTHREADS 4 102 #endif 103 #endif 104 #define NFS_MAXGATHERDELAY 100 /* Max. write gather delay (msec) */ 105 #ifndef NFS_GATHERDELAY 106 #define NFS_GATHERDELAY 10 /* Default write gather delay (msec) */ 107 #endif 108 109 /* 110 * NFS_DIRBLKSIZ is the size of buffers in the buffer cache used for 111 * NFS directory vnodes. NFS_DIRFRAGSIZ is the minimum aligned amount 112 * of data in those buffers, and thus the minimum amount of data 113 * that you can request. NFS_DIRFRAGSIZ should be no smaller than 114 * DIRBLKSIZ. 115 */ 116 117 #define NFS_DIRBLKSIZ 8192 /* Must be a multiple of DIRBLKSIZ */ 118 #define NFS_DIRFRAGSIZ 512 /* Same as DIRBLKSIZ, generally */ 119 120 /* 121 * Maximum number of directory entries cached per NFS node, to avoid 122 * having this grow without bounds on very large directories. The 123 * minimum size to get reasonable performance for emulated binaries 124 * is the maximum number of entries that fits in NFS_DIRBLKSIZ. 125 * For NFS_DIRBLKSIZ = 512, this would be 512 / 14 = 36. 126 */ 127 #define NFS_MAXDIRCACHE (NFS_DIRBLKSIZ / 14) 128 129 /* 130 * Oddballs 131 */ 132 #define NFS_CMPFH(n, f, s) \ 133 ((n)->n_fhsize == (s) && !memcmp((caddr_t)(n)->n_fhp, (caddr_t)(f), (s))) 134 #ifdef NFS_V2_ONLY 135 #define NFS_ISV3(v) (0) 136 #else 137 #define NFS_ISV3(v) (VFSTONFS((v)->v_mount)->nm_flag & NFSMNT_NFSV3) 138 #endif 139 #define NFS_SRVMAXDATA(n) \ 140 (((n)->nd_flag & ND_NFSV3) ? (((n)->nd_nam2) ? \ 141 NFS_MAXDGRAMDATA : NFS_MAXDATA) : NFS_V2MAXDATA) 142 143 /* 144 * Use the vm_page flag reserved for pager use to indicate pages 145 * which have been written to the server but not yet committed. 146 */ 147 #define PG_NEEDCOMMIT PG_PAGER1 148 149 /* 150 * The IO_METASYNC flag should be implemented for local file systems. 151 * (Until then, it is nothin at all.) 152 */ 153 #ifndef IO_METASYNC 154 #define IO_METASYNC 0 155 #endif 156 157 /* 158 * Set the attribute timeout based on how recently the file has been modified. 159 */ 160 #define NFS_ATTRTIMEO(np) \ 161 ((((np)->n_flag & NMODIFIED) || \ 162 (time.tv_sec - (np)->n_mtime.tv_sec) / 10 < NFS_MINATTRTIMO) ? NFS_MINATTRTIMO : \ 163 ((time.tv_sec - (np)->n_mtime.tv_sec) / 10 > NFS_MAXATTRTIMO ? NFS_MAXATTRTIMO : \ 164 (time.tv_sec - (np)->n_mtime.tv_sec) / 10)) 165 166 /* 167 * Structures for the nfssvc(2) syscall. Not that anyone but nfsd and mount_nfs 168 * should ever try and use it. 169 */ 170 struct nfsd_args { 171 int sock; /* Socket to serve */ 172 caddr_t name; /* Client addr for connection based sockets */ 173 int namelen; /* Length of name */ 174 }; 175 176 struct nfsd_srvargs { 177 struct nfsd *nsd_nfsd; /* Pointer to in kernel nfsd struct */ 178 uid_t nsd_uid; /* Effective uid mapped to cred */ 179 u_int32_t nsd_haddr; /* Ip address of client */ 180 struct uucred nsd_cr; /* Cred. uid maps to */ 181 int nsd_authlen; /* Length of auth string (ret) */ 182 u_char *nsd_authstr; /* Auth string (ret) */ 183 int nsd_verflen; /* and the verfier */ 184 u_char *nsd_verfstr; 185 struct timeval nsd_timestamp; /* timestamp from verifier */ 186 u_int32_t nsd_ttl; /* credential ttl (sec) */ 187 NFSKERBKEY_T nsd_key; /* Session key */ 188 }; 189 190 struct nfsd_cargs { 191 char *ncd_dirp; /* Mount dir path */ 192 uid_t ncd_authuid; /* Effective uid */ 193 int ncd_authtype; /* Type of authenticator */ 194 u_int ncd_authlen; /* Length of authenticator string */ 195 u_char *ncd_authstr; /* Authenticator string */ 196 u_int ncd_verflen; /* and the verifier */ 197 u_char *ncd_verfstr; 198 NFSKERBKEY_T ncd_key; /* Session key */ 199 }; 200 201 /* 202 * Stats structure 203 */ 204 struct nfsstats { 205 int attrcache_hits; 206 int attrcache_misses; 207 int lookupcache_hits; 208 int lookupcache_misses; 209 int direofcache_hits; 210 int direofcache_misses; 211 int biocache_reads; 212 int read_bios; 213 int read_physios; 214 int biocache_writes; 215 int write_bios; 216 int write_physios; 217 int biocache_readlinks; 218 int readlink_bios; 219 int biocache_readdirs; 220 int readdir_bios; 221 int rpccnt[NFS_NPROCS]; 222 int rpcretries; 223 int srvrpccnt[NFS_NPROCS]; 224 int srvrpc_errs; 225 int srv_errs; 226 int rpcrequests; 227 int rpctimeouts; 228 int rpcunexpected; 229 int rpcinvalid; 230 int srvcache_inproghits; 231 int srvcache_idemdonehits; 232 int srvcache_nonidemdonehits; 233 int srvcache_misses; 234 int srvnqnfs_leases; 235 int srvnqnfs_maxleases; 236 int srvnqnfs_getleases; 237 int srvvop_writes; 238 }; 239 240 /* 241 * Flags for nfssvc() system call. 242 */ 243 #define NFSSVC_BIOD 0x002 244 #define NFSSVC_NFSD 0x004 245 #define NFSSVC_ADDSOCK 0x008 246 #define NFSSVC_AUTHIN 0x010 247 #define NFSSVC_GOTAUTH 0x040 248 #define NFSSVC_AUTHINFAIL 0x080 249 #define NFSSVC_MNTD 0x100 250 251 /* 252 * fs.nfs sysctl(3) identifiers 253 */ 254 #define NFS_NFSSTATS 1 /* struct: struct nfsstats */ 255 #define NFS_IOTHREADS 2 /* number of io threads */ 256 #define NFS_MAXID 3 257 258 #define NFS_NAMES { \ 259 { 0, 0 }, \ 260 { "nfsstats", CTLTYPE_STRUCT }, \ 261 { "iothreads", CTLTYPE_INT }, \ 262 } 263 264 /* 265 * The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts. 266 * What should be in this set is open to debate, but I believe that since 267 * I/O system calls on ufs are never interrupted by signals the set should 268 * be minimal. My reasoning is that many current programs that use signals 269 * such as SIGALRM will not expect file I/O system calls to be interrupted 270 * by them and break. 271 */ 272 #ifdef _KERNEL 273 274 struct uio; struct buf; struct vattr; struct nameidata; /* XXX */ 275 276 /* 277 * Socket errors ignored for connectionless sockets?? 278 * For now, ignore them all 279 */ 280 #define NFSIGNORE_SOERROR(s, e) \ 281 ((e) != EINTR && (e) != ERESTART && (e) != EWOULDBLOCK && \ 282 ((s) & PR_CONNREQUIRED) == 0) 283 284 /* 285 * Nfs outstanding request list element 286 */ 287 struct nfsreq { 288 TAILQ_ENTRY(nfsreq) r_chain; 289 struct mbuf *r_mreq; 290 struct mbuf *r_mrep; 291 struct mbuf *r_md; 292 caddr_t r_dpos; 293 struct nfsmount *r_nmp; 294 u_int32_t r_xid; 295 int r_flags; /* flags on request, see below */ 296 int r_retry; /* max retransmission count */ 297 int r_rexmit; /* current retrans count */ 298 int r_timer; /* tick counter on reply */ 299 u_int32_t r_procnum; /* NFS procedure number */ 300 int r_rtt; /* RTT for rpc */ 301 struct proc *r_procp; /* Proc that did I/O system call */ 302 }; 303 304 /* 305 * Queue head for nfsreq's 306 */ 307 extern TAILQ_HEAD(nfsreqhead, nfsreq) nfs_reqq; 308 309 /* Flag values for r_flags */ 310 #define R_TIMING 0x01 /* timing request (in mntp) */ 311 #define R_SENT 0x02 /* request has been sent */ 312 #define R_SOFTTERM 0x04 /* soft mnt, too many retries */ 313 #define R_INTR 0x08 /* intr mnt, signal pending */ 314 #define R_SOCKERR 0x10 /* Fatal error on socket */ 315 #define R_TPRINTFMSG 0x20 /* Did a tprintf msg. */ 316 #define R_MUSTRESEND 0x40 /* Must resend request */ 317 #define R_GETONEREP 0x80 /* Probe for one reply only */ 318 #define R_REXMITTED 0x100 /* retransmitted after reconnect */ 319 320 /* 321 * A list of nfssvc_sock structures is maintained with all the sockets 322 * that require service by the nfsd. 323 * The nfsuid structs hang off of the nfssvc_sock structs in both lru 324 * and uid hash lists. 325 */ 326 #ifndef NFS_UIDHASHSIZ 327 #define NFS_UIDHASHSIZ 29 /* Tune the size of nfssvc_sock with this */ 328 #endif 329 #define NUIDHASH(sock, uid) \ 330 (&(sock)->ns_uidhashtbl[(uid) % NFS_UIDHASHSIZ]) 331 #ifndef NFS_WDELAYHASHSIZ 332 #define NFS_WDELAYHASHSIZ 16 /* and with this */ 333 #endif 334 #define NWDELAYHASH(sock, f) \ 335 (&(sock)->ns_wdelayhashtbl[(*((u_int32_t *)(f))) % NFS_WDELAYHASHSIZ]) 336 #ifndef NFS_MUIDHASHSIZ 337 #define NFS_MUIDHASHSIZ 63 /* Tune the size of nfsmount with this */ 338 #endif 339 #define NMUIDHASH(nmp, uid) \ 340 (&(nmp)->nm_uidhashtbl[(uid) % NFS_MUIDHASHSIZ]) 341 #define NFSNOHASH(fhsum) ((fhsum) & nfsnodehash) 342 343 #ifndef NFS_DIRHASHSIZ 344 #define NFS_DIRHASHSIZ 64 345 #endif 346 #define NFSDIRHASH(np, off) \ 347 (&np->n_dircache[(nfs_dirhash((off)) & nfsdirhashmask)]) 348 349 /* 350 * Macros for storing/retrieving cookies into directory buffers. 351 */ 352 #define NFS_STASHCOOKIE(dp,off) \ 353 *((off_t *)((caddr_t)(dp) + (dp)->d_reclen - sizeof (off_t))) = off 354 #define NFS_GETCOOKIE(dp) \ 355 (*((off_t *)((caddr_t)(dp) + (dp)->d_reclen - sizeof (off_t)))) 356 #define NFS_STASHCOOKIE32(dp, val) \ 357 *((u_int32_t *)((caddr_t)(dp) + (dp)->d_reclen - sizeof (off_t) - \ 358 sizeof (int))) = val 359 #define NFS_GETCOOKIE32(dp) \ 360 (*((u_int32_t *)((caddr_t)(dp) + (dp)->d_reclen - sizeof (off_t) - \ 361 sizeof (int)))) 362 363 /* 364 * Flags passed to nfs_bioread(). 365 */ 366 #define NFSBIO_CACHECOOKIES 0x0001 /* Cache dir offset cookies */ 367 368 /* 369 * Network address hash list element 370 */ 371 union nethostaddr { 372 u_int32_t had_inetaddr; 373 struct mbuf *had_nam; 374 }; 375 376 struct nfsuid { 377 TAILQ_ENTRY(nfsuid) nu_lru; /* LRU chain */ 378 LIST_ENTRY(nfsuid) nu_hash; /* Hash list */ 379 int nu_flag; /* Flags */ 380 union nethostaddr nu_haddr; /* Host addr. for dgram sockets */ 381 struct ucred nu_cr; /* Cred uid mapped to */ 382 int nu_expire; /* Expiry time (sec) */ 383 struct timeval nu_timestamp; /* Kerb. timestamp */ 384 u_int32_t nu_nickname; /* Nickname on server */ 385 NFSKERBKEY_T nu_key; /* and session key */ 386 }; 387 388 #define nu_inetaddr nu_haddr.had_inetaddr 389 #define nu_nam nu_haddr.had_nam 390 /* Bits for nu_flag */ 391 #define NU_INETADDR 0x1 392 #define NU_NAM 0x2 393 #ifdef INET6 394 #define NU_NETFAM(u) \ 395 (((u)->nu_flag & NU_INETADDR) ? \ 396 (((u)->nu_flag & NU_NAM) ? AF_INET6 : AF_INET) : AF_ISO) 397 #else 398 #define NU_NETFAM(u) (((u)->nu_flag & NU_INETADDR) ? AF_INET : AF_ISO) 399 #endif 400 401 struct nfssvc_sock { 402 TAILQ_ENTRY(nfssvc_sock) ns_chain; /* List of all nfssvc_sock's */ 403 TAILQ_ENTRY(nfssvc_sock) ns_pending; /* List of pending sockets */ 404 TAILQ_HEAD(, nfsuid) ns_uidlruhead; 405 struct file *ns_fp; 406 struct socket *ns_so; 407 struct mbuf *ns_nam; 408 struct mbuf *ns_raw; 409 struct mbuf *ns_rawend; 410 struct mbuf *ns_rec; 411 struct mbuf *ns_recend; 412 struct mbuf *ns_frag; 413 int ns_flag; 414 int ns_solock; 415 int ns_cc; 416 int ns_reclen; 417 int ns_numuids; 418 u_int32_t ns_sref; 419 LIST_HEAD(, nfsrv_descript) ns_tq; /* Write gather lists */ 420 LIST_HEAD(, nfsuid) ns_uidhashtbl[NFS_UIDHASHSIZ]; 421 LIST_HEAD(nfsrvw_delayhash, nfsrv_descript) ns_wdelayhashtbl[NFS_WDELAYHASHSIZ]; 422 }; 423 424 /* Bits for "ns_flag" */ 425 #define SLP_VALID 0x01 426 #define SLP_DOREC 0x02 427 #define SLP_NEEDQ 0x04 428 #define SLP_DISCONN 0x08 429 #define SLP_GETSTREAM 0x10 430 #define SLP_LASTFRAG 0x20 431 #define SLP_ALLFLAGS 0xff 432 433 extern TAILQ_HEAD(nfssvc_sockhead, nfssvc_sock) nfssvc_sockhead; 434 extern struct nfssvc_sockhead nfssvc_sockpending; 435 extern int nfssvc_sockhead_flag; 436 #define SLP_INIT 0x01 437 #define SLP_WANTINIT 0x02 438 439 /* 440 * One of these structures is allocated for each nfsd. 441 */ 442 struct nfsd { 443 TAILQ_ENTRY(nfsd) nfsd_chain; /* List of all nfsd's */ 444 SLIST_ENTRY(nfsd) nfsd_idle; /* List of idle nfsd's */ 445 int nfsd_flag; /* NFSD_ flags */ 446 struct nfssvc_sock *nfsd_slp; /* Current socket */ 447 int nfsd_authlen; /* Authenticator len */ 448 u_char nfsd_authstr[RPCAUTH_MAXSIZ]; /* Authenticator data */ 449 int nfsd_verflen; /* and the Verifier */ 450 u_char nfsd_verfstr[RPCVERF_MAXSIZ]; 451 struct proc *nfsd_procp; /* Proc ptr */ 452 struct nfsrv_descript *nfsd_nd; /* Associated nfsrv_descript */ 453 }; 454 455 /* Bits for "nfsd_flag" */ 456 #define NFSD_WAITING 0x01 457 #define NFSD_REQINPROG 0x02 458 #define NFSD_NEEDAUTH 0x04 459 #define NFSD_AUTHFAIL 0x08 460 461 /* 462 * This structure is used by the server for describing each request. 463 * Some fields are used only when write request gathering is performed. 464 */ 465 struct nfsrv_descript { 466 u_quad_t nd_time; /* Write deadline (usec) */ 467 off_t nd_off; /* Start byte offset */ 468 off_t nd_eoff; /* and end byte offset */ 469 LIST_ENTRY(nfsrv_descript) nd_hash; /* Hash list */ 470 LIST_ENTRY(nfsrv_descript) nd_tq; /* and timer list */ 471 LIST_HEAD(,nfsrv_descript) nd_coalesce; /* coalesced writes */ 472 struct mbuf *nd_mrep; /* Request mbuf list */ 473 struct mbuf *nd_md; /* Current dissect mbuf */ 474 struct mbuf *nd_mreq; /* Reply mbuf list */ 475 struct mbuf *nd_nam; /* and socket addr */ 476 struct mbuf *nd_nam2; /* return socket addr */ 477 caddr_t nd_dpos; /* Current dissect pos */ 478 u_int32_t nd_procnum; /* RPC # */ 479 int nd_stable; /* storage type */ 480 int nd_flag; /* nd_flag */ 481 int nd_len; /* Length of this write */ 482 int nd_repstat; /* Reply status */ 483 u_int32_t nd_retxid; /* Reply xid */ 484 u_int32_t nd_duration; /* Lease duration */ 485 struct timeval nd_starttime; /* Time RPC initiated */ 486 fhandle_t nd_fh; /* File handle */ 487 struct ucred nd_cr; /* Credentials */ 488 }; 489 490 /* Bits for "nd_flag" */ 491 #define ND_READ LEASE_READ 492 #define ND_WRITE LEASE_WRITE 493 #define ND_CHECK 0x04 494 #define ND_LEASE (ND_READ | ND_WRITE | ND_CHECK) 495 #define ND_NFSV3 0x08 496 #define ND_NQNFS 0x10 497 #define ND_KERBNICK 0x20 498 #define ND_KERBFULL 0x40 499 #define ND_KERBAUTH (ND_KERBNICK | ND_KERBFULL) 500 501 extern struct simplelock nfsd_slock; 502 extern TAILQ_HEAD(nfsdhead, nfsd) nfsd_head; 503 extern SLIST_HEAD(nfsdidlehead, nfsd) nfsd_idle_head; 504 extern int nfsd_head_flag; 505 #define NFSD_CHECKSLP 0x01 506 507 extern struct mowner nfs_mowner; 508 extern struct nfsstats nfsstats; 509 extern int nfs_numasync; 510 511 /* 512 * These macros compare nfsrv_descript structures. 513 */ 514 #define NFSW_CONTIG(o, n) \ 515 ((o)->nd_eoff >= (n)->nd_off && \ 516 !memcmp((caddr_t)&(o)->nd_fh, (caddr_t)&(n)->nd_fh, NFSX_V3FH)) 517 518 #define NFSW_SAMECRED(o, n) \ 519 (((o)->nd_flag & ND_KERBAUTH) == ((n)->nd_flag & ND_KERBAUTH) && \ 520 !memcmp((caddr_t)&(o)->nd_cr, (caddr_t)&(n)->nd_cr, \ 521 sizeof (struct ucred))) 522 523 /* 524 * Defines for WebNFS 525 */ 526 527 #define WEBNFS_ESC_CHAR '%' 528 #define WEBNFS_SPECCHAR_START 0x80 529 530 #define WEBNFS_NATIVE_CHAR 0x80 531 /* 532 * .. 533 * Possibly more here in the future. 534 */ 535 536 /* 537 * Macro for converting escape characters in WebNFS pathnames. 538 * Should really be in libkern. 539 */ 540 541 #define HEXTOC(c) \ 542 ((c) >= 'a' ? ((c) - ('a' - 10)) : \ 543 ((c) >= 'A' ? ((c) - ('A' - 10)) : ((c) - '0'))) 544 #define HEXSTRTOI(p) \ 545 ((HEXTOC(p[0]) << 4) + HEXTOC(p[1])) 546 #endif /* _KERNEL */ 547 548 #endif /* _NFS_NFS_H */ 549
Indexes created Wed Oct 15 16:09:53 GMT 2025