nfs.h revision 1.24
1 /* $NetBSD: nfs.h,v 1.24 2000/09/19 22:05:55 fvdl 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. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by the University of 20 * California, Berkeley and its contributors. 21 * 4. Neither the name of the University nor the names of its contributors 22 * may be used to endorse or promote products derived from this software 23 * without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 * @(#)nfs.h 8.4 (Berkeley) 5/1/95 38 */ 39 40 #ifndef _NFS_NFS_H_ 41 #define _NFS_NFS_H_ 42 43 /* 44 * Tunable constants for nfs 45 */ 46 47 #define NFS_MAXIOVEC 34 48 #define NFS_TICKINTVL 5 /* Desired time for a tick (msec) */ 49 #define NFS_HZ (hz / nfs_ticks) /* Ticks/sec */ 50 #define NFS_TIMEO (3 * NFS_HZ) /* Default timeout = 3 seconds */ 51 #define NFS_MINTIMEO (1 * NFS_HZ) /* Min timeout to use */ 52 #define NFS_MAXTIMEO (60 * NFS_HZ) /* Max timeout to backoff to */ 53 #define NFS_MINIDEMTIMEO (5 * NFS_HZ) /* Min timeout for non-idempotent ops*/ 54 #define NFS_MAXREXMIT 100 /* Stop counting after this many */ 55 #define NFS_MAXWINDOW 1024 /* Max number of outstanding requests */ 56 #define NFS_RETRANS 10 /* Num of retrans for soft mounts */ 57 #define NFS_MAXGRPS 16 /* Max. size of groups list */ 58 #ifndef NFS_MINATTRTIMO 59 #define NFS_MINATTRTIMO 5 /* Attribute cache timeout in sec */ 60 #endif 61 #ifndef NFS_MAXATTRTIMO 62 #define NFS_MAXATTRTIMO 60 63 #endif 64 #define NFS_WSIZE 32768 /* Def. write data size */ 65 #define NFS_RSIZE 32768 /* Def. read data size */ 66 #define NFS_READDIRSIZE 8192 /* Def. readdir size */ 67 #define NFS_DEFRAHEAD 2 /* Def. read ahead # blocks */ 68 #define NFS_MAXRAHEAD 4 /* Max. read ahead # blocks */ 69 #define NFS_MAXUIDHASH 64 /* Max. # of hashed uid entries/mp */ 70 #define NFS_MAXASYNCDAEMON 20 /* Max. number async_daemons runable */ 71 #ifdef _KERNEL 72 extern int nfs_niothreads; /* Number of async_daemons desired */ 73 #endif 74 #define NFS_MAXGATHERDELAY 100 /* Max. write gather delay (msec) */ 75 #ifndef NFS_GATHERDELAY 76 #define NFS_GATHERDELAY 10 /* Default write gather delay (msec) */ 77 #endif 78 79 /* 80 * NFS_DIRBLKSIZ is the size of buffers in the buffer cache used for 81 * NFS directory vnodes. NFS_DIRFRAGSIZ is the minimum aligned amount 82 * of data in those buffers, and thus the minimum amount of data 83 * that you can request. NFS_DIRFRAGSIZ should be no smaller than 84 * DIRBLKSIZ. 85 */ 86 87 #define NFS_DIRBLKSIZ 8192 /* Must be a multiple of DIRBLKSIZ */ 88 #define NFS_DIRFRAGSIZ 512 /* Same as DIRBLKSIZ, generally */ 89 90 /* 91 * Maximum number of directory entries cached per NFS node, to avoid 92 * having this grow without bounds on very large directories. The 93 * minimum size to get reasonable performance for emulated binaries 94 * is the maximum number of entries that fits in NFS_DIRBLKSIZ. 95 * For NFS_DIRBLKSIZ = 512, this would be 512 / 14 = 36. 96 */ 97 #define NFS_MAXDIRCACHE (NFS_DIRBLKSIZ / 14) 98 99 /* 100 * Oddballs 101 */ 102 #define NMOD(a) ((a) % nfs_asyncdaemons) 103 #define NFS_CMPFH(n, f, s) \ 104 ((n)->n_fhsize == (s) && !memcmp((caddr_t)(n)->n_fhp, (caddr_t)(f), (s))) 105 #ifdef NFS_V2_ONLY 106 #define NFS_ISV3(v) (0) 107 #else 108 #define NFS_ISV3(v) (VFSTONFS((v)->v_mount)->nm_flag & NFSMNT_NFSV3) 109 #endif 110 #define NFS_SRVMAXDATA(n) \ 111 (((n)->nd_flag & ND_NFSV3) ? (((n)->nd_nam2) ? \ 112 NFS_MAXDGRAMDATA : NFS_MAXDATA) : NFS_V2MAXDATA) 113 114 /* 115 * The VA_EXCLUSIVE flag should be added for va_vaflags and set for an 116 * exclusive create. 117 */ 118 #ifndef VA_EXCLUSIVE 119 #define VA_EXCLUSIVE 0 120 #endif 121 122 /* 123 * The B_INVAFTERWRITE flag should be set to whatever is required by the 124 * buffer cache code to say "Invalidate the block after it is written back". 125 */ 126 #define B_INVAFTERWRITE B_INVAL 127 128 /* 129 * The IO_METASYNC flag should be implemented for local file systems. 130 * (Until then, it is nothin at all.) 131 */ 132 #ifndef IO_METASYNC 133 #define IO_METASYNC 0 134 #endif 135 136 /* 137 * Set the attribute timeout based on how recently the file has been modified. 138 */ 139 #define NFS_ATTRTIMEO(np) \ 140 ((((np)->n_flag & NMODIFIED) || \ 141 (time.tv_sec - (np)->n_mtime) / 10 < NFS_MINATTRTIMO) ? NFS_MINATTRTIMO : \ 142 ((time.tv_sec - (np)->n_mtime) / 10 > NFS_MAXATTRTIMO ? NFS_MAXATTRTIMO : \ 143 (time.tv_sec - (np)->n_mtime) / 10)) 144 145 /* 146 * Expected allocation sizes for major data structures. If the actual size 147 * of the structure exceeds these sizes, then malloc() will be allocating 148 * almost twice the memory required. This is used in nfs_init() to warn 149 * the sysadmin that the size of a structure should be reduced. 150 * (These sizes are always a power of 2. If the kernel malloc() changes 151 * to one that does not allocate space in powers of 2 size, then this all 152 * becomes bunk!) 153 */ 154 #define NFS_NODEALLOC 256 155 #define NFS_MNTALLOC 512 156 #define NFS_SVCALLOC 256 157 #define NFS_UIDALLOC 128 158 159 /* 160 * Structures for the nfssvc(2) syscall. Not that anyone but nfsd and mount_nfs 161 * should ever try and use it. 162 */ 163 struct nfsd_args { 164 int sock; /* Socket to serve */ 165 caddr_t name; /* Client addr for connection based sockets */ 166 int namelen; /* Length of name */ 167 }; 168 169 struct nfsd_srvargs { 170 struct nfsd *nsd_nfsd; /* Pointer to in kernel nfsd struct */ 171 uid_t nsd_uid; /* Effective uid mapped to cred */ 172 u_int32_t nsd_haddr; /* Ip address of client */ 173 struct ucred nsd_cr; /* Cred. uid maps to */ 174 int nsd_authlen; /* Length of auth string (ret) */ 175 u_char *nsd_authstr; /* Auth string (ret) */ 176 int nsd_verflen; /* and the verfier */ 177 u_char *nsd_verfstr; 178 struct timeval nsd_timestamp; /* timestamp from verifier */ 179 u_int32_t nsd_ttl; /* credential ttl (sec) */ 180 NFSKERBKEY_T nsd_key; /* Session key */ 181 }; 182 183 struct nfsd_cargs { 184 char *ncd_dirp; /* Mount dir path */ 185 uid_t ncd_authuid; /* Effective uid */ 186 int ncd_authtype; /* Type of authenticator */ 187 int ncd_authlen; /* Length of authenticator string */ 188 u_char *ncd_authstr; /* Authenticator string */ 189 int ncd_verflen; /* and the verifier */ 190 u_char *ncd_verfstr; 191 NFSKERBKEY_T ncd_key; /* Session key */ 192 }; 193 194 /* 195 * Stats structure 196 */ 197 struct nfsstats { 198 int attrcache_hits; 199 int attrcache_misses; 200 int lookupcache_hits; 201 int lookupcache_misses; 202 int direofcache_hits; 203 int direofcache_misses; 204 int biocache_reads; 205 int read_bios; 206 int read_physios; 207 int biocache_writes; 208 int write_bios; 209 int write_physios; 210 int biocache_readlinks; 211 int readlink_bios; 212 int biocache_readdirs; 213 int readdir_bios; 214 int rpccnt[NFS_NPROCS]; 215 int rpcretries; 216 int srvrpccnt[NFS_NPROCS]; 217 int srvrpc_errs; 218 int srv_errs; 219 int rpcrequests; 220 int rpctimeouts; 221 int rpcunexpected; 222 int rpcinvalid; 223 int srvcache_inproghits; 224 int srvcache_idemdonehits; 225 int srvcache_nonidemdonehits; 226 int srvcache_misses; 227 int srvnqnfs_leases; 228 int srvnqnfs_maxleases; 229 int srvnqnfs_getleases; 230 int srvvop_writes; 231 }; 232 233 /* 234 * Flags for nfssvc() system call. 235 */ 236 #define NFSSVC_BIOD 0x002 237 #define NFSSVC_NFSD 0x004 238 #define NFSSVC_ADDSOCK 0x008 239 #define NFSSVC_AUTHIN 0x010 240 #define NFSSVC_GOTAUTH 0x040 241 #define NFSSVC_AUTHINFAIL 0x080 242 #define NFSSVC_MNTD 0x100 243 244 /* 245 * fs.nfs sysctl(3) identifiers 246 */ 247 #define NFS_NFSSTATS 1 /* struct: struct nfsstats */ 248 #define NFS_IOTHREADS 2 /* number of io threads */ 249 #define NFS_MAXID 3 250 251 #define NFS_NAMES { \ 252 { 0, 0 }, \ 253 { "nfsstats", CTLTYPE_STRUCT }, \ 254 { "iothreads", CTLTYPE_INT }, \ 255 } 256 257 /* 258 * The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts. 259 * What should be in this set is open to debate, but I believe that since 260 * I/O system calls on ufs are never interrupted by signals the set should 261 * be minimal. My reasoning is that many current programs that use signals 262 * such as SIGALRM will not expect file I/O system calls to be interrupted 263 * by them and break. 264 */ 265 #ifdef _KERNEL 266 267 struct uio; struct buf; struct vattr; struct nameidata; /* XXX */ 268 269 /* 270 * Socket errors ignored for connectionless sockets?? 271 * For now, ignore them all 272 */ 273 #define NFSIGNORE_SOERROR(s, e) \ 274 ((e) != EINTR && (e) != ERESTART && (e) != EWOULDBLOCK && \ 275 ((s) & PR_CONNREQUIRED) == 0) 276 277 /* 278 * Nfs outstanding request list element 279 */ 280 struct nfsreq { 281 TAILQ_ENTRY(nfsreq) r_chain; 282 struct mbuf *r_mreq; 283 struct mbuf *r_mrep; 284 struct mbuf *r_md; 285 caddr_t r_dpos; 286 struct nfsmount *r_nmp; 287 struct vnode *r_vp; 288 u_int32_t r_xid; 289 int r_flags; /* flags on request, see below */ 290 int r_retry; /* max retransmission count */ 291 int r_rexmit; /* current retrans count */ 292 int r_timer; /* tick counter on reply */ 293 u_int32_t r_procnum; /* NFS procedure number */ 294 int r_rtt; /* RTT for rpc */ 295 struct proc *r_procp; /* Proc that did I/O system call */ 296 }; 297 298 /* 299 * Queue head for nfsreq's 300 */ 301 TAILQ_HEAD(, nfsreq) nfs_reqq; 302 303 /* Flag values for r_flags */ 304 #define R_TIMING 0x01 /* timing request (in mntp) */ 305 #define R_SENT 0x02 /* request has been sent */ 306 #define R_SOFTTERM 0x04 /* soft mnt, too many retries */ 307 #define R_INTR 0x08 /* intr mnt, signal pending */ 308 #define R_SOCKERR 0x10 /* Fatal error on socket */ 309 #define R_TPRINTFMSG 0x20 /* Did a tprintf msg. */ 310 #define R_MUSTRESEND 0x40 /* Must resend request */ 311 #define R_GETONEREP 0x80 /* Probe for one reply only */ 312 313 /* 314 * A list of nfssvc_sock structures is maintained with all the sockets 315 * that require service by the nfsd. 316 * The nfsuid structs hang off of the nfssvc_sock structs in both lru 317 * and uid hash lists. 318 */ 319 #ifndef NFS_UIDHASHSIZ 320 #define NFS_UIDHASHSIZ 29 /* Tune the size of nfssvc_sock with this */ 321 #endif 322 #define NUIDHASH(sock, uid) \ 323 (&(sock)->ns_uidhashtbl[(uid) % NFS_UIDHASHSIZ]) 324 #ifndef NFS_WDELAYHASHSIZ 325 #define NFS_WDELAYHASHSIZ 16 /* and with this */ 326 #endif 327 #define NWDELAYHASH(sock, f) \ 328 (&(sock)->ns_wdelayhashtbl[(*((u_int32_t *)(f))) % NFS_WDELAYHASHSIZ]) 329 #ifndef NFS_MUIDHASHSIZ 330 #define NFS_MUIDHASHSIZ 63 /* Tune the size of nfsmount with this */ 331 #endif 332 #define NMUIDHASH(nmp, uid) \ 333 (&(nmp)->nm_uidhashtbl[(uid) % NFS_MUIDHASHSIZ]) 334 #define NFSNOHASH(fhsum) \ 335 (&nfsnodehashtbl[(fhsum) & nfsnodehash]) 336 337 #ifndef NFS_DIRHASHSIZ 338 #define NFS_DIRHASHSIZ 64 339 #endif 340 #define NFSDIRHASH(np, off) \ 341 (&np->n_dircache[(nfs_dirhash((off)) & nfsdirhashmask)]) 342 343 /* 344 * Macros for storing/retrieving cookies into directory buffers. 345 */ 346 #define NFS_STASHCOOKIE(dp,off) \ 347 *((off_t *)((caddr_t)(dp) + (dp)->d_reclen - sizeof (off_t))) = off 348 #define NFS_GETCOOKIE(dp) \ 349 (*((off_t *)((caddr_t)(dp) + (dp)->d_reclen - sizeof (off_t)))) 350 #define NFS_STASHCOOKIE32(dp, val) \ 351 *((u_int32_t *)((caddr_t)(dp) + (dp)->d_reclen - sizeof (off_t) - \ 352 sizeof (int))) = val 353 #define NFS_GETCOOKIE32(dp) \ 354 (*((u_int32_t *)((caddr_t)(dp) + (dp)->d_reclen - sizeof (off_t) - \ 355 sizeof (int)))) 356 357 /* 358 * Flags passed to nfs_bioread(). 359 */ 360 #define NFSBIO_CACHECOOKIES 0x0001 /* Cache dir offset cookies */ 361 362 /* 363 * Network address hash list element 364 */ 365 union nethostaddr { 366 u_int32_t had_inetaddr; 367 struct mbuf *had_nam; 368 }; 369 370 struct nfsuid { 371 TAILQ_ENTRY(nfsuid) nu_lru; /* LRU chain */ 372 LIST_ENTRY(nfsuid) nu_hash; /* Hash list */ 373 int nu_flag; /* Flags */ 374 union nethostaddr nu_haddr; /* Host addr. for dgram sockets */ 375 struct ucred nu_cr; /* Cred uid mapped to */ 376 int nu_expire; /* Expiry time (sec) */ 377 struct timeval nu_timestamp; /* Kerb. timestamp */ 378 u_int32_t nu_nickname; /* Nickname on server */ 379 NFSKERBKEY_T nu_key; /* and session key */ 380 }; 381 382 #define nu_inetaddr nu_haddr.had_inetaddr 383 #define nu_nam nu_haddr.had_nam 384 /* Bits for nu_flag */ 385 #define NU_INETADDR 0x1 386 #define NU_NAM 0x2 387 #ifdef INET6 388 #define NU_NETFAM(u) \ 389 (((u)->nu_flag & NU_INETADDR) ? \ 390 (((u)->nu_flag & NU_NAM) ? AF_INET6 : AF_INET) : AF_ISO) 391 #else 392 #define NU_NETFAM(u) (((u)->nu_flag & NU_INETADDR) ? AF_INET : AF_ISO) 393 #endif 394 395 struct nfssvc_sock { 396 TAILQ_ENTRY(nfssvc_sock) ns_chain; /* List of all nfssvc_sock's */ 397 TAILQ_HEAD(, nfsuid) ns_uidlruhead; 398 struct file *ns_fp; 399 struct socket *ns_so; 400 struct mbuf *ns_nam; 401 struct mbuf *ns_raw; 402 struct mbuf *ns_rawend; 403 struct mbuf *ns_rec; 404 struct mbuf *ns_recend; 405 struct mbuf *ns_frag; 406 int ns_flag; 407 int ns_solock; 408 int ns_cc; 409 int ns_reclen; 410 int ns_numuids; 411 u_int32_t ns_sref; 412 LIST_HEAD(, nfsrv_descript) ns_tq; /* Write gather lists */ 413 LIST_HEAD(, nfsuid) ns_uidhashtbl[NFS_UIDHASHSIZ]; 414 LIST_HEAD(nfsrvw_delayhash, nfsrv_descript) ns_wdelayhashtbl[NFS_WDELAYHASHSIZ]; 415 }; 416 417 /* Bits for "ns_flag" */ 418 #define SLP_VALID 0x01 419 #define SLP_DOREC 0x02 420 #define SLP_NEEDQ 0x04 421 #define SLP_DISCONN 0x08 422 #define SLP_GETSTREAM 0x10 423 #define SLP_LASTFRAG 0x20 424 #define SLP_ALLFLAGS 0xff 425 426 TAILQ_HEAD(, nfssvc_sock) nfssvc_sockhead; 427 int nfssvc_sockhead_flag; 428 #define SLP_INIT 0x01 429 #define SLP_WANTINIT 0x02 430 431 /* 432 * One of these structures is allocated for each nfsd. 433 */ 434 struct nfsd { 435 TAILQ_ENTRY(nfsd) nfsd_chain; /* List of all nfsd's */ 436 int nfsd_flag; /* NFSD_ flags */ 437 struct nfssvc_sock *nfsd_slp; /* Current socket */ 438 int nfsd_authlen; /* Authenticator len */ 439 u_char nfsd_authstr[RPCAUTH_MAXSIZ]; /* Authenticator data */ 440 int nfsd_verflen; /* and the Verifier */ 441 u_char nfsd_verfstr[RPCVERF_MAXSIZ]; 442 struct proc *nfsd_procp; /* Proc ptr */ 443 struct nfsrv_descript *nfsd_nd; /* Associated nfsrv_descript */ 444 }; 445 446 /* Bits for "nfsd_flag" */ 447 #define NFSD_WAITING 0x01 448 #define NFSD_REQINPROG 0x02 449 #define NFSD_NEEDAUTH 0x04 450 #define NFSD_AUTHFAIL 0x08 451 452 /* 453 * This structure is used by the server for describing each request. 454 * Some fields are used only when write request gathering is performed. 455 */ 456 struct nfsrv_descript { 457 u_quad_t nd_time; /* Write deadline (usec) */ 458 off_t nd_off; /* Start byte offset */ 459 off_t nd_eoff; /* and end byte offset */ 460 LIST_ENTRY(nfsrv_descript) nd_hash; /* Hash list */ 461 LIST_ENTRY(nfsrv_descript) nd_tq; /* and timer list */ 462 LIST_HEAD(,nfsrv_descript) nd_coalesce; /* coalesced writes */ 463 struct mbuf *nd_mrep; /* Request mbuf list */ 464 struct mbuf *nd_md; /* Current dissect mbuf */ 465 struct mbuf *nd_mreq; /* Reply mbuf list */ 466 struct mbuf *nd_nam; /* and socket addr */ 467 struct mbuf *nd_nam2; /* return socket addr */ 468 caddr_t nd_dpos; /* Current dissect pos */ 469 u_int32_t nd_procnum; /* RPC # */ 470 int nd_stable; /* storage type */ 471 int nd_flag; /* nd_flag */ 472 int nd_len; /* Length of this write */ 473 int nd_repstat; /* Reply status */ 474 u_int32_t nd_retxid; /* Reply xid */ 475 u_int32_t nd_duration; /* Lease duration */ 476 struct timeval nd_starttime; /* Time RPC initiated */ 477 fhandle_t nd_fh; /* File handle */ 478 struct ucred nd_cr; /* Credentials */ 479 }; 480 481 /* Bits for "nd_flag" */ 482 #define ND_READ LEASE_READ 483 #define ND_WRITE LEASE_WRITE 484 #define ND_CHECK 0x04 485 #define ND_LEASE (ND_READ | ND_WRITE | ND_CHECK) 486 #define ND_NFSV3 0x08 487 #define ND_NQNFS 0x10 488 #define ND_KERBNICK 0x20 489 #define ND_KERBFULL 0x40 490 #define ND_KERBAUTH (ND_KERBNICK | ND_KERBFULL) 491 492 TAILQ_HEAD(, nfsd) nfsd_head; 493 int nfsd_head_flag; 494 #define NFSD_CHECKSLP 0x01 495 496 /* 497 * These macros compare nfsrv_descript structures. 498 */ 499 #define NFSW_CONTIG(o, n) \ 500 ((o)->nd_eoff >= (n)->nd_off && \ 501 !memcmp((caddr_t)&(o)->nd_fh, (caddr_t)&(n)->nd_fh, NFSX_V3FH)) 502 503 #define NFSW_SAMECRED(o, n) \ 504 (((o)->nd_flag & ND_KERBAUTH) == ((n)->nd_flag & ND_KERBAUTH) && \ 505 !memcmp((caddr_t)&(o)->nd_cr, (caddr_t)&(n)->nd_cr, \ 506 sizeof (struct ucred))) 507 508 /* 509 * Defines for WebNFS 510 */ 511 512 #define WEBNFS_ESC_CHAR '%' 513 #define WEBNFS_SPECCHAR_START 0x80 514 515 #define WEBNFS_NATIVE_CHAR 0x80 516 /* 517 * .. 518 * Possibly more here in the future. 519 */ 520 521 /* 522 * Macro for converting escape characters in WebNFS pathnames. 523 * Should really be in libkern. 524 */ 525 526 #define HEXTOC(c) \ 527 ((c) >= 'a' ? ((c) - ('a' - 10)) : \ 528 ((c) >= 'A' ? ((c) - ('A' - 10)) : ((c) - '0'))) 529 #define HEXSTRTOI(p) \ 530 ((HEXTOC(p[0]) << 4) + HEXTOC(p[1])) 531 #endif /* _KERNEL */ 532 533 #endif /* _NFS_NFS_H */ 534
Indexes created Wed Sep 24 05:09:52 GMT 2025