1/* 2 * Copyright (c) 2000-2007 Apple Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */ 29/* 30 * Copyright (c) 1989, 1993, 1995 31 * The Regents of the University of California. All rights reserved. 32 * 33 * This code is derived from software contributed to Berkeley by 34 * Rick Macklem at The University of Guelph. 35 * 36 * Redistribution and use in source and binary forms, with or without 37 * modification, are permitted provided that the following conditions 38 * are met: 39 * 1. Redistributions of source code must retain the above copyright 40 * notice, this list of conditions and the following disclaimer. 41 * 2. Redistributions in binary form must reproduce the above copyright 42 * notice, this list of conditions and the following disclaimer in the 43 * documentation and/or other materials provided with the distribution. 44 * 3. All advertising materials mentioning features or use of this software 45 * must display the following acknowledgement: 46 * This product includes software developed by the University of 47 * California, Berkeley and its contributors. 48 * 4. Neither the name of the University nor the names of its contributors 49 * may be used to endorse or promote products derived from this software 50 * without specific prior written permission. 51 * 52 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 53 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 54 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 55 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 56 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 57 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 58 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 59 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 60 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 61 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 62 * SUCH DAMAGE. 63 * 64 * @(#)nfs.h 8.4 (Berkeley) 5/1/95 65 * FreeBSD-Id: nfs.h,v 1.32 1997/10/12 20:25:38 phk Exp $ 66 */ 67 68#ifndef _NFS_NFS_H_ 69#define _NFS_NFS_H_ 70 71#include <sys/appleapiopts.h> 72#include <sys/cdefs.h> 73 74#ifdef __APPLE_API_PRIVATE 75/* 76 * Tunable constants for nfs 77 */ 78 79#define NFS_TICKINTVL 5 /* Desired time for a tick (msec) */ 80#define NFS_HZ (hz / nfs_ticks) /* Ticks/sec */ 81__private_extern__ int nfs_ticks; 82#define NFS_TIMEO (1 * NFS_HZ) /* Default timeout = 1 second */ 83#define NFS_MINTIMEO (1 * NFS_HZ) /* Min timeout to use */ 84#define NFS_MAXTIMEO (60 * NFS_HZ) /* Max timeout to backoff to */ 85#define NFS_MINIDEMTIMEO (5 * NFS_HZ) /* Min timeout for non-idempotent ops*/ 86#define NFS_MAXREXMIT 100 /* Stop counting after this many */ 87#define NFS_RETRANS 10 /* Num of retrans for soft mounts */ 88#define NFS_TRYLATERDEL 4 /* Initial try later delay (sec) */ 89#define NFS_MAXGRPS 16 /* Max. size of groups list */ 90#define NFS_MINATTRTIMO 5 /* Attribute cache timeout in sec */ 91#define NFS_MAXATTRTIMO 60 92#define NFS_MINDIRATTRTIMO 5 /* directory attribute cache timeout in sec */ 93#define NFS_MAXDIRATTRTIMO 60 94#define NFS_IOSIZE (1024 * 1024) /* suggested I/O size */ 95#define NFS_RWSIZE 32768 /* Def. read/write data size <= 32K */ 96#define NFS_WSIZE NFS_RWSIZE /* Def. write data size <= 32K */ 97#define NFS_RSIZE NFS_RWSIZE /* Def. read data size <= 32K */ 98#define NFS_DGRAM_WSIZE 8192 /* UDP Def. write data size <= 8K */ 99#define NFS_DGRAM_RSIZE 8192 /* UDP Def. read data size <= 8K */ 100#define NFS_READDIRSIZE 8192 /* Def. readdir size */ 101#define NFS_DEFRAHEAD 16 /* Def. read ahead # blocks */ 102#define NFS_MAXRAHEAD 128 /* Max. read ahead # blocks */ 103#define NFS_DEFMAXASYNCWRITES 128 /* Def. max # concurrent async write RPCs */ 104#define NFS_DEFASYNCTHREAD 16 /* Def. # nfsiod threads */ 105#define NFS_MAXASYNCTHREAD 64 /* max # nfsiod threads */ 106#define NFS_ASYNCTHREADMAXIDLE 60 /* Seconds before idle nfsiods are reaped */ 107#define NFS_DEFSTATFSRATELIMIT 10 /* Def. max # statfs RPCs per second */ 108#define NFS_REQUESTDELAY 10 /* ms interval to check request queue */ 109#define NFSRV_DEADSOCKDELAY 5 /* Seconds before dead sockets are reaped */ 110#define NFSRV_MAXWGATHERDELAY 100 /* Max. write gather delay (msec) */ 111#ifndef NFSRV_WGATHERDELAY 112#define NFSRV_WGATHERDELAY 1 /* Default write gather delay (msec) */ 113#endif 114#define NFS_DIRBLKSIZ 4096 /* Must be a multiple of DIRBLKSIZ */ 115#if defined(KERNEL) && !defined(DIRBLKSIZ) 116#define DIRBLKSIZ 512 /* XXX we used to use ufs's DIRBLKSIZ */ 117 /* can't be larger than NFS_FABLKSIZE */ 118#endif 119 120/* default values for unresponsive mount timeouts */ 121#define NFS_TPRINTF_INITIAL_DELAY 12 122#define NFS_TPRINTF_DELAY 30 123 124/* 125 * Oddballs 126 */ 127#define NFS_CMPFH(n, f, s) \ 128 ((n)->n_fhsize == (s) && !bcmp((caddr_t)(n)->n_fhp, (caddr_t)(f), (s))) 129#define NFS_SRVMAXDATA(n) \ 130 (((n)->nd_vers == NFS_VER3) ? (((n)->nd_nam2) ? \ 131 NFS_MAXDGRAMDATA : NFS_MAXDATA) : NFS_V2MAXDATA) 132 133/* 134 * The IO_METASYNC flag should be implemented for local file systems. 135 * (Until then, it is nothin at all.) 136 */ 137#ifndef IO_METASYNC 138#define IO_METASYNC 0 139#endif 140 141/* 142 * Expected allocation sizes for major data structures. If the actual size 143 * of the structure exceeds these sizes, then malloc() will be allocating 144 * almost twice the memory required. This is used in nfs_init() to warn 145 * the sysadmin that the size of a structure should be reduced. 146 * (These sizes are always a power of 2. If the kernel malloc() changes 147 * to one that does not allocate space in powers of 2 size, then this all 148 * becomes bunk!). 149 * Note that some of these structures come out of there own nfs zones. 150*/ 151#define NFS_NODEALLOC 512 152#define NFS_MNTALLOC 512 153#define NFS_SVCALLOC 256 154 155/* 156 * Arguments to mount NFS 157 */ 158#define NFS_ARGSVERSION 5 /* change when nfs_args changes */ 159struct nfs_args { 160 int version; /* args structure version number */ 161 struct sockaddr *addr; /* file server address */ 162 int addrlen; /* length of address */ 163 int sotype; /* Socket type */ 164 int proto; /* and Protocol */ 165 u_char *fh; /* File handle to be mounted */ 166 int fhsize; /* Size, in bytes, of fh */ 167 int flags; /* flags */ 168 int wsize; /* write size in bytes */ 169 int rsize; /* read size in bytes */ 170 int readdirsize; /* readdir size in bytes */ 171 int timeo; /* initial timeout in .1 secs */ 172 int retrans; /* times to retry send */ 173 int maxgrouplist; /* Max. size of group list */ 174 int readahead; /* # of blocks to readahead */ 175 int leaseterm; /* obsolete: Term (sec) of lease */ 176 int deadthresh; /* obsolete: Retrans threshold */ 177 char *hostname; /* server's name */ 178 /* NFS_ARGSVERSION 3 ends here */ 179 int acregmin; /* reg file min attr cache timeout */ 180 int acregmax; /* reg file max attr cache timeout */ 181 int acdirmin; /* dir min attr cache timeout */ 182 int acdirmax; /* dir max attr cache timeout */ 183 /* NFS_ARGSVERSION 4 ends here */ 184 uint32_t auth; /* security mechanism flavor */ 185}; 186struct nfs_args4 { 187 int version; /* args structure version number */ 188 struct sockaddr *addr; /* file server address */ 189 int addrlen; /* length of address */ 190 int sotype; /* Socket type */ 191 int proto; /* and Protocol */ 192 u_char *fh; /* File handle to be mounted */ 193 int fhsize; /* Size, in bytes, of fh */ 194 int flags; /* flags */ 195 int wsize; /* write size in bytes */ 196 int rsize; /* read size in bytes */ 197 int readdirsize; /* readdir size in bytes */ 198 int timeo; /* initial timeout in .1 secs */ 199 int retrans; /* times to retry send */ 200 int maxgrouplist; /* Max. size of group list */ 201 int readahead; /* # of blocks to readahead */ 202 int leaseterm; /* obsolete: Term (sec) of lease */ 203 int deadthresh; /* obsolete: Retrans threshold */ 204 char *hostname; /* server's name */ 205 /* NFS_ARGSVERSION 3 ends here */ 206 int acregmin; /* reg file min attr cache timeout */ 207 int acregmax; /* reg file max attr cache timeout */ 208 int acdirmin; /* dir min attr cache timeout */ 209 int acdirmax; /* dir max attr cache timeout */ 210}; 211 212struct nfs_args3 { 213 int version; /* args structure version number */ 214 struct sockaddr *addr; /* file server address */ 215 int addrlen; /* length of address */ 216 int sotype; /* Socket type */ 217 int proto; /* and Protocol */ 218 u_char *fh; /* File handle to be mounted */ 219 int fhsize; /* Size, in bytes, of fh */ 220 int flags; /* flags */ 221 int wsize; /* write size in bytes */ 222 int rsize; /* read size in bytes */ 223 int readdirsize; /* readdir size in bytes */ 224 int timeo; /* initial timeout in .1 secs */ 225 int retrans; /* times to retry send */ 226 int maxgrouplist; /* Max. size of group list */ 227 int readahead; /* # of blocks to readahead */ 228 int leaseterm; /* obsolete: Term (sec) of lease */ 229 int deadthresh; /* obsolete: Retrans threshold */ 230 char *hostname; /* server's name */ 231}; 232 233#ifdef KERNEL 234/* LP64 version of nfs_args. all pointers and longs 235 * grow when we're dealing with a 64-bit process. 236 * WARNING - keep in sync with nfs_args 237 */ 238struct user_nfs_args { 239 int version; /* args structure version number */ 240 user_addr_t addr __attribute((aligned(8))); /* file server address */ 241 int addrlen; /* length of address */ 242 int sotype; /* Socket type */ 243 int proto; /* and Protocol */ 244 user_addr_t fh __attribute((aligned(8))); /* File handle to be mounted */ 245 int fhsize; /* Size, in bytes, of fh */ 246 int flags; /* flags */ 247 int wsize; /* write size in bytes */ 248 int rsize; /* read size in bytes */ 249 int readdirsize; /* readdir size in bytes */ 250 int timeo; /* initial timeout in .1 secs */ 251 int retrans; /* times to retry send */ 252 int maxgrouplist; /* Max. size of group list */ 253 int readahead; /* # of blocks to readahead */ 254 int leaseterm; /* obsolete: Term (sec) of lease */ 255 int deadthresh; /* obsolete: Retrans threshold */ 256 user_addr_t hostname __attribute((aligned(8))); /* server's name */ 257 /* NFS_ARGSVERSION 3 ends here */ 258 int acregmin; /* reg file min attr cache timeout */ 259 int acregmax; /* reg file max attr cache timeout */ 260 int acdirmin; /* dir min attr cache timeout */ 261 int acdirmax; /* dir max attr cache timeout */ 262 /* NFS_ARGSVERSION 4 ends here */ 263 uint32_t auth; /* security mechanism flavor */ 264}; 265struct user_nfs_args4 { 266 int version; /* args structure version number */ 267 user_addr_t addr __attribute((aligned(8))); /* file server address */ 268 int addrlen; /* length of address */ 269 int sotype; /* Socket type */ 270 int proto; /* and Protocol */ 271 user_addr_t fh __attribute((aligned(8))); /* File handle to be mounted */ 272 int fhsize; /* Size, in bytes, of fh */ 273 int flags; /* flags */ 274 int wsize; /* write size in bytes */ 275 int rsize; /* read size in bytes */ 276 int readdirsize; /* readdir size in bytes */ 277 int timeo; /* initial timeout in .1 secs */ 278 int retrans; /* times to retry send */ 279 int maxgrouplist; /* Max. size of group list */ 280 int readahead; /* # of blocks to readahead */ 281 int leaseterm; /* obsolete: Term (sec) of lease */ 282 int deadthresh; /* obsolete: Retrans threshold */ 283 user_addr_t hostname __attribute((aligned(8))); /* server's name */ 284 /* NFS_ARGSVERSION 3 ends here */ 285 int acregmin; /* reg file min attr cache timeout */ 286 int acregmax; /* reg file max attr cache timeout */ 287 int acdirmin; /* dir min attr cache timeout */ 288 int acdirmax; /* dir max attr cache timeout */ 289}; 290struct user_nfs_args3 { 291 int version; /* args structure version number */ 292 user_addr_t addr __attribute((aligned(8))); /* file server address */ 293 int addrlen; /* length of address */ 294 int sotype; /* Socket type */ 295 int proto; /* and Protocol */ 296 user_addr_t fh __attribute((aligned(8))); /* File handle to be mounted */ 297 int fhsize; /* Size, in bytes, of fh */ 298 int flags; /* flags */ 299 int wsize; /* write size in bytes */ 300 int rsize; /* read size in bytes */ 301 int readdirsize; /* readdir size in bytes */ 302 int timeo; /* initial timeout in .1 secs */ 303 int retrans; /* times to retry send */ 304 int maxgrouplist; /* Max. size of group list */ 305 int readahead; /* # of blocks to readahead */ 306 int leaseterm; /* obsolete: Term (sec) of lease */ 307 int deadthresh; /* obsolete: Retrans threshold */ 308 user_addr_t hostname __attribute((aligned(8))); /* server's name */ 309}; 310 311#endif // KERNEL 312 313/* 314 * NFS mount option flags 315 */ 316#define NFSMNT_SOFT 0x00000001 /* soft mount (hard is default) */ 317#define NFSMNT_WSIZE 0x00000002 /* set write size */ 318#define NFSMNT_RSIZE 0x00000004 /* set read size */ 319#define NFSMNT_TIMEO 0x00000008 /* set initial timeout */ 320#define NFSMNT_RETRANS 0x00000010 /* set number of request retries */ 321#define NFSMNT_MAXGRPS 0x00000020 /* set maximum grouplist size */ 322#define NFSMNT_INT 0x00000040 /* allow interrupts on hard mount */ 323#define NFSMNT_NOCONN 0x00000080 /* Don't Connect the socket */ 324#define NFSMNT_NONEGNAMECACHE 0x00000100 /* Don't do negative name caching */ 325#define NFSMNT_NFSV3 0x00000200 /* Use NFS Version 3 protocol */ 326#define NFSMNT_NFSV4 0x00000400 /* Use NFS Version 4 protocol */ 327#define NFSMNT_DUMBTIMR 0x00000800 /* Don't estimate rtt dynamically */ 328// #define NFSMNT_UNUSED 0x00001000 /* unused */ 329#define NFSMNT_READAHEAD 0x00002000 /* set read ahead */ 330// #define NFSMNT_UNUSED 0x00004000 /* unused */ 331#define NFSMNT_RESVPORT 0x00008000 /* Allocate a reserved port */ 332#define NFSMNT_RDIRPLUS 0x00010000 /* Use Readdirplus for V3 */ 333#define NFSMNT_READDIRSIZE 0x00020000 /* Set readdir size */ 334#define NFSMNT_NOLOCKS 0x00040000 /* don't support file locking */ 335#define NFSMNT_LOCALLOCKS 0x00080000 /* do file locking locally on client */ 336#define NFSMNT_ACREGMIN 0x00100000 /* reg min attr cache timeout */ 337#define NFSMNT_ACREGMAX 0x00200000 /* reg max attr cache timeout */ 338#define NFSMNT_ACDIRMIN 0x00400000 /* dir min attr cache timeout */ 339#define NFSMNT_ACDIRMAX 0x00800000 /* dir max attr cache timeout */ 340#define NFSMNT_SECFLAVOR 0x01000000 /* Use security flavor */ 341#define NFSMNT_SECGIVEN 0x02000000 /* A sec= mount option was given */ 342 343/* 344 * Structures for the nfssvc(2) syscall. Not that anyone but nfsd 345 * should ever try and use it. 346 */ 347struct nfsd_args { 348 int sock; /* Socket to serve */ 349 caddr_t name; /* Client addr for connection based sockets */ 350 int namelen; /* Length of name */ 351}; 352 353#ifdef KERNEL 354/* LP64 version of nfsd_args. all pointers and longs 355 * grow when we're dealing with a 64-bit process. 356 * WARNING - keep in sync with nfsd_args 357 */ 358struct user_nfsd_args { 359 int sock; /* Socket to serve */ 360 user_addr_t name __attribute((aligned(8))); /* Client addr for connection based sockets */ 361 int namelen; /* Length of name */ 362}; 363 364#endif // KERNEL 365 366/* 367 * NFS Server File Handle structures 368 */ 369 370/* NFS export handle identifies which NFS export */ 371#define NFS_FH_VERSION 0x4e580000 /* 'NX00' */ 372struct nfs_exphandle { 373 uint32_t nxh_version; /* data structure version */ 374 uint32_t nxh_fsid; /* File System Export ID */ 375 uint32_t nxh_expid; /* Export ID */ 376 uint16_t nxh_flags; /* export handle flags */ 377 uint8_t nxh_reserved; /* future use */ 378 uint8_t nxh_fidlen; /* length of File ID */ 379}; 380 381/* nxh_flags */ 382#define NXHF_INVALIDFH 0x0001 /* file handle is invalid */ 383 384#define NFS_MAX_FID_SIZE (NFS_MAX_FH_SIZE - sizeof(struct nfs_exphandle)) 385#define NFSV4_MAX_FID_SIZE (NFSV4_MAX_FH_SIZE - sizeof(struct nfs_exphandle)) 386#define NFSV3_MAX_FID_SIZE (NFSV3_MAX_FH_SIZE - sizeof(struct nfs_exphandle)) 387#define NFSV2_MAX_FID_SIZE (NFSV2_MAX_FH_SIZE - sizeof(struct nfs_exphandle)) 388 389/* NFS server internal view of fhandle_t */ 390/* The first sizeof(fhandle_t) bytes must match what goes into fhandle_t. */ 391/* (fhp is used to allow use of an external buffer) */ 392struct nfs_filehandle { 393 uint32_t nfh_len; /* total length of file handle */ 394 struct nfs_exphandle nfh_xh; /* export handle */ 395 unsigned char nfh_fid[NFS_MAX_FID_SIZE]; /* File ID */ 396 unsigned char *nfh_fhp; /* pointer to file handle */ 397}; 398 399/* 400 * NFS export data structures 401 */ 402 403/* Structure to hold an array of security flavors */ 404#define NX_MAX_SEC_FLAVORS 5 405struct nfs_sec { 406 int count; 407 uint32_t flavors[NX_MAX_SEC_FLAVORS]; 408}; 409 410struct nfs_export_net_args { 411 uint32_t nxna_flags; /* export flags */ 412 struct xucred nxna_cred; /* mapped credential for root/all user */ 413 struct sockaddr_storage nxna_addr; /* net address to which exported */ 414 struct sockaddr_storage nxna_mask; /* mask for net address */ 415 struct nfs_sec nxna_sec; /* security mechanism flavors */ 416}; 417 418struct nfs_export_args { 419 uint32_t nxa_fsid; /* export FS ID */ 420 uint32_t nxa_expid; /* export ID */ 421 char *nxa_fspath; /* export FS path */ 422 char *nxa_exppath; /* export sub-path */ 423 uint32_t nxa_flags; /* export arg flags */ 424 uint32_t nxa_netcount; /* #entries in ex_nets array */ 425 struct nfs_export_net_args *nxa_nets; /* array of net args */ 426}; 427 428#ifdef KERNEL 429/* LP64 version of export_args */ 430 431struct user_nfs_export_args { 432 uint32_t nxa_fsid; /* export FS ID */ 433 uint32_t nxa_expid; /* export ID */ 434 user_addr_t nxa_fspath; /* export FS path */ 435 user_addr_t nxa_exppath; /* export sub-path */ 436 uint32_t nxa_flags; /* export arg flags */ 437 uint32_t nxa_netcount; /* #entries in ex_nets array */ 438 user_addr_t nxa_nets; /* array of net args */ 439}; 440 441#endif /* KERNEL */ 442 443/* nfs export arg flags */ 444#define NXA_DELETE 0x0001 /* delete the specified export(s) */ 445#define NXA_ADD 0x0002 /* add the specified export(s) */ 446#define NXA_REPLACE 0x0003 /* delete and add the specified export(s) */ 447#define NXA_DELETE_ALL 0x0004 /* delete all exports */ 448#define NXA_OFFLINE 0x0008 /* export is offline */ 449 450/* export option flags */ 451#define NX_READONLY 0x0001 /* exported read-only */ 452#define NX_DEFAULTEXPORT 0x0002 /* exported to the world */ 453#define NX_MAPROOT 0x0004 /* map root access to anon credential */ 454#define NX_MAPALL 0x0008 /* map all access to anon credential */ 455#define NX_32BITCLIENTS 0x0020 /* restrict directory cookies to 32 bits */ 456#define NX_OFFLINE 0x0040 /* export is offline */ 457 458/* 459 * fs.nfs sysctl(3) export stats record structures 460 */ 461#define NFS_EXPORT_STAT_REC_VERSION 1 /* export stat record version */ 462#define NFS_USER_STAT_REC_VERSION 1 /* active user list record version */ 463 464/* descriptor describing following records */ 465struct nfs_export_stat_desc 466{ 467 uint32_t rec_vers; /* version of export stat records */ 468 uint32_t rec_count; /* total record count */ 469}__attribute__((__packed__)); 470 471/* export stat record containing path and stat counters */ 472struct nfs_export_stat_rec { 473 char path[RPCMNT_PATHLEN + 1]; 474 uint64_t ops; /* Count of NFS Requests received for this export */ 475 uint64_t bytes_read; /* Count of bytes read from this export */ 476 uint64_t bytes_written; /* Count of bytes written to this export */ 477}__attribute__((__packed__)); 478 479/* Active user list stat buffer descriptor */ 480struct nfs_user_stat_desc 481{ 482 uint32_t rec_vers; /* version of active user stat records */ 483 uint32_t rec_count; /* total record count */ 484}__attribute__((__packed__)); 485 486/* Active user list user stat record format */ 487struct nfs_user_stat_user_rec { 488 u_char rec_type; 489 uid_t uid; 490 struct sockaddr_storage sock; 491 uint64_t ops; 492 uint64_t bytes_read; 493 uint64_t bytes_written; 494 uint32_t tm_start; 495 uint32_t tm_last; 496}__attribute__((__packed__)); 497 498/* Active user list path record format */ 499struct nfs_user_stat_path_rec { 500 u_char rec_type; 501 char path[RPCMNT_PATHLEN + 1]; 502}__attribute__((__packed__)); 503 504/* Defines for rec_type field of 505 * nfs_user_stat_rec & nfs_user_stat_rec 506 * data structures 507 */ 508#define NFS_USER_STAT_USER_REC 0 509#define NFS_USER_STAT_PATH_REC 1 510 511 512#ifdef KERNEL 513struct nfs_exportfs; 514 515struct nfs_export_options { 516 uint32_t nxo_flags; /* export options */ 517 kauth_cred_t nxo_cred; /* mapped credential */ 518 struct nfs_sec nxo_sec; /* security mechanism flavors */ 519}; 520 521/* Network address lookup element and individual export options */ 522struct nfs_netopt { 523 struct radix_node no_rnodes[2]; /* radix tree glue */ 524 struct nfs_export_options no_opt; /* export options */ 525}; 526 527/* statistic counters for each exported directory 528 * 529 * Since 64-bit atomic operations are not available on 32-bit platforms, 530 * 64-bit counters are implemented using 32-bit integers and 32-bit 531 * atomic operations 532 */ 533typedef struct nfsstatcount64 { 534 uint32_t hi; 535 uint32_t lo; 536} nfsstatcount64; 537 538struct nfs_export_stat_counters { 539 struct nfsstatcount64 ops; /* Count of NFS Requests received for this export */ 540 struct nfsstatcount64 bytes_read; /* Count of bytes read from this export */ 541 struct nfsstatcount64 bytes_written; /* Count of bytes written to his export */ 542}__attribute__((__packed__)); 543 544/* Macro for updating nfs export stat counters */ 545#define NFSStatAdd64(PTR, VAL) \ 546 do { \ 547 uint32_t NFSSA_OldValue = \ 548 OSAddAtomic((VAL), (SInt32*)&(PTR)->lo); \ 549 if ((NFSSA_OldValue + (VAL)) < NFSSA_OldValue) \ 550 OSAddAtomic(1, (SInt32*)&(PTR)->hi); \ 551 } while (0) 552 553/* Some defines for dealing with active user list stats */ 554#define NFSRV_USER_STAT_DEF_MAX_NODES 1024 /* default active user list size limit */ 555#define NFSRV_USER_STAT_DEF_IDLE_SEC 7200 /* default idle seconds (node no longer considered active) */ 556 557/* active user list globals */ 558__private_extern__ uint32_t nfsrv_user_stat_enabled; /* enable/disable active user list */ 559__private_extern__ uint32_t nfsrv_user_stat_node_count; /* current count of user stat nodes */ 560__private_extern__ uint32_t nfsrv_user_stat_max_idle_sec; /* idle seconds (node no longer considered active) */ 561__private_extern__ uint32_t nfsrv_user_stat_max_nodes; /* active user list size limit */ 562__private_extern__ lck_grp_t *nfsrv_active_user_mutex_group; 563 564/* An active user node represented in the kernel */ 565struct nfs_user_stat_node { 566 TAILQ_ENTRY(nfs_user_stat_node) lru_link; 567 LIST_ENTRY(nfs_user_stat_node) hash_link; 568 uid_t uid; 569 struct sockaddr_storage sock; 570 uint64_t ops; 571 uint64_t bytes_read; 572 uint64_t bytes_written; 573 uint32_t tm_start; 574 uint32_t tm_last; 575}; 576 577/* Hash table for active user nodes */ 578#define NFS_USER_STAT_HASH_SIZE 16 /* MUST be a power of 2 */ 579#define NFS_USER_STAT_HASH(userhashtbl, uid) \ 580 &((userhashtbl)[(uid) & (NFS_USER_STAT_HASH_SIZE - 1)]) 581 582TAILQ_HEAD(nfs_user_stat_lru_head, nfs_user_stat_node); 583LIST_HEAD(nfs_user_stat_hashtbl_head, nfs_user_stat_node); 584 585/* Active user list data structure */ 586/* One per exported directory */ 587struct nfs_active_user_list { 588 struct nfs_user_stat_lru_head user_lru; 589 struct nfs_user_stat_hashtbl_head user_hashtbl[NFS_USER_STAT_HASH_SIZE]; 590 uint32_t node_count; 591 lck_mtx_t user_mutex; 592}; 593 594 595/* Network export information */ 596/* one of these for each exported directory */ 597struct nfs_export { 598 LIST_ENTRY(nfs_export) nx_next; /* FS export list */ 599 LIST_ENTRY(nfs_export) nx_hash; /* export hash chain */ 600 struct nfs_export *nx_parent; /* parent export */ 601 uint32_t nx_id; /* export ID */ 602 uint32_t nx_flags; /* export flags */ 603 struct nfs_exportfs *nx_fs; /* exported file system */ 604 char *nx_path; /* exported file system sub-path */ 605 struct nfs_filehandle nx_fh; /* export root file handle */ 606 struct nfs_export_options nx_defopt; /* default options */ 607 uint32_t nx_expcnt; /* # exports in table */ 608 struct radix_node_head *nx_rtable[AF_MAX+1]; /* table of exports (netopts) */ 609 struct nfs_export_stat_counters nx_stats; /* statistic counters for this exported directory */ 610 struct nfs_active_user_list nx_user_list; /* Active User List for this exported directory */ 611 struct timeval nx_exptime; /* time of export for write verifier */ 612}; 613 614/* NFS exported file system info */ 615/* one of these for each exported file system */ 616struct nfs_exportfs { 617 LIST_ENTRY(nfs_exportfs) nxfs_next; /* exported file system list */ 618 uint32_t nxfs_id; /* exported file system ID */ 619 char *nxfs_path; /* exported file system path */ 620 LIST_HEAD(,nfs_export) nxfs_exports; /* list of exports for this file system */ 621}; 622 623__private_extern__ LIST_HEAD(nfsrv_expfs_list, nfs_exportfs) nfsrv_exports; 624__private_extern__ lck_rw_t nfsrv_export_rwlock; // lock for export data structures 625#define NFSRVEXPHASHVAL(FSID, EXPID) \ 626 (((FSID) >> 24) ^ ((FSID) >> 16) ^ ((FSID) >> 8) ^ (EXPID)) 627#define NFSRVEXPHASH(FSID, EXPID) \ 628 (&nfsrv_export_hashtbl[NFSRVEXPHASHVAL((FSID),(EXPID)) & nfsrv_export_hash]) 629__private_extern__ LIST_HEAD(nfsrv_export_hashhead, nfs_export) *nfsrv_export_hashtbl; 630__private_extern__ u_long nfsrv_export_hash; 631 632/* 633 * NFS server file mod fsevents 634 */ 635struct nfsrv_fmod { 636 LIST_ENTRY(nfsrv_fmod) fm_link; 637 vnode_t fm_vp; 638 struct vfs_context fm_context; 639 uint64_t fm_deadline; 640}; 641 642#define NFSRVFMODHASHSZ 128 643#define NFSRVFMODHASH(vp) (((u_long) vp) & nfsrv_fmod_hash) 644__private_extern__ LIST_HEAD(nfsrv_fmod_hashhead, nfsrv_fmod) *nfsrv_fmod_hashtbl; 645__private_extern__ u_long nfsrv_fmod_hash; 646__private_extern__ lck_mtx_t *nfsrv_fmod_mutex; 647__private_extern__ int nfsrv_fmod_pending, nfsrv_fsevents_enabled; 648__private_extern__ int nfsrv_async, nfsrv_reqcache_size, nfsrv_sock_max_rec_queue_length; 649 650__private_extern__ struct nfsstats nfsstats; 651 652#endif // KERNEL 653 654/* 655 * XXX to allow amd to include nfs.h without nfsproto.h 656 */ 657#ifdef NFS_NPROCS 658/* 659 * Stats structure 660 */ 661struct nfsstats { 662 int attrcache_hits; 663 int attrcache_misses; 664 int lookupcache_hits; 665 int lookupcache_misses; 666 int direofcache_hits; 667 int direofcache_misses; 668 int biocache_reads; 669 int read_bios; 670 int read_physios; 671 int biocache_writes; 672 int write_bios; 673 int write_physios; 674 int biocache_readlinks; 675 int readlink_bios; 676 int biocache_readdirs; 677 int readdir_bios; 678 int rpccnt[NFS_NPROCS]; 679 int rpcretries; 680 int srvrpccnt[NFS_NPROCS]; 681 int srvrpc_errs; 682 int srv_errs; 683 int rpcrequests; 684 int rpctimeouts; 685 int rpcunexpected; 686 int rpcinvalid; 687 int srvcache_inproghits; 688 int srvcache_idemdonehits; 689 int srvcache_nonidemdonehits; 690 int srvcache_misses; 691 int srvvop_writes; 692 int pageins; 693 int pageouts; 694}; 695#endif 696 697/* 698 * Flags for nfssvc() system call. 699 */ 700#define NFSSVC_NFSD 0x004 701#define NFSSVC_ADDSOCK 0x008 702#define NFSSVC_EXPORT 0x200 703 704/* 705 * Flags for nfsclnt() system call. 706 */ 707#define NFSCLNT_LOCKDANS 0x200 708 709/* 710 * fs.nfs sysctl(3) identifiers 711 */ 712#define NFS_NFSSTATS 1 /* struct: struct nfsstats */ 713#define NFS_EXPORTSTATS 3 /* gets exported directory stats */ 714#define NFS_USERSTATS 4 /* gets exported directory active user stats */ 715#define NFS_USERCOUNT 5 /* gets current count of active nfs users */ 716 717#ifndef NFS_WDELAYHASHSIZ 718#define NFS_WDELAYHASHSIZ 16 /* and with this */ 719#endif 720 721#ifdef KERNEL 722#include <sys/kernel_types.h> 723#include <kern/thread_call.h> 724#include <sys/kdebug.h> 725 726#define NFS_KERNEL_DEBUG KERNEL_DEBUG 727 728/* kernel debug trace macros */ 729#define FSDBG(A, B, C, D, E) \ 730 NFS_KERNEL_DEBUG((FSDBG_CODE(DBG_FSRW, (A))) | DBG_FUNC_NONE, \ 731 (int)(B), (int)(C), (int)(D), (int)(E), 0) 732#define FSDBG_TOP(A, B, C, D, E) \ 733 NFS_KERNEL_DEBUG((FSDBG_CODE(DBG_FSRW, (A))) | DBG_FUNC_START, \ 734 (int)(B), (int)(C), (int)(D), (int)(E), 0) 735#define FSDBG_BOT(A, B, C, D, E) \ 736 NFS_KERNEL_DEBUG((FSDBG_CODE(DBG_FSRW, (A))) | DBG_FUNC_END, \ 737 (int)(B), (int)(C), (int)(D), (int)(E), 0) 738 739#ifdef MALLOC_DECLARE 740MALLOC_DECLARE(M_NFSREQ); 741MALLOC_DECLARE(M_NFSMNT); 742MALLOC_DECLARE(M_NFSDIROFF); 743MALLOC_DECLARE(M_NFSRVDESC); 744MALLOC_DECLARE(M_NFSD); 745MALLOC_DECLARE(M_NFSBIGFH); 746#endif 747 748struct uio; struct vnode_attr; struct nameidata; struct dqblk; /* XXX */ 749struct nfsbuf; 750struct nfs_vattr; 751struct nfs_fsattr; 752struct nfsnode; 753typedef struct nfsnode * nfsnode_t; 754struct nfsreq; 755 756/* 757 * The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts. 758 * What should be in this set is open to debate, but I believe that since 759 * I/O system calls on ufs are never interrupted by signals the set should 760 * be minimal. My reasoning is that many current programs that use signals 761 * such as SIGALRM will not expect file I/O system calls to be interrupted 762 * by them and break. 763 */ 764#define NFSINT_SIGMASK (sigmask(SIGINT)|sigmask(SIGTERM)|sigmask(SIGKILL)| \ 765 sigmask(SIGHUP)|sigmask(SIGQUIT)) 766 767__private_extern__ size_t nfs_mbuf_mhlen, nfs_mbuf_minclsize; 768 769/* 770 * NFS mbuf chain structure used for managing the building/dissection of RPCs 771 */ 772struct nfsm_chain { 773 mbuf_t nmc_mhead; /* mbuf chain head */ 774 mbuf_t nmc_mcur; /* current mbuf */ 775 caddr_t nmc_ptr; /* pointer into current mbuf */ 776 uint32_t nmc_left; /* bytes remaining in current mbuf */ 777 uint32_t nmc_flags; /* flags for this nfsm_chain */ 778}; 779#define NFSM_CHAIN_FLAG_ADD_CLUSTERS 0x1 /* always add mbuf clusters */ 780 781/* 782 * Each retransmission of an RPCSEC_GSS request 783 * has an additional sequence number. 784 */ 785struct gss_seq { 786 SLIST_ENTRY(gss_seq) gss_seqnext; 787 uint32_t gss_seqnum; 788}; 789 790/* 791 * async NFS request callback info 792 */ 793struct nfsreq_cbinfo { 794 void (*rcb_func)(struct nfsreq *); /* async request callback function */ 795 struct nfsbuf *rcb_bp; /* buffer I/O RPC is for */ 796 uint32_t rcb_args[2]; /* additional callback args */ 797}; 798 799/* 800 * NFS outstanding request list element 801 */ 802struct nfsreq { 803 lck_mtx_t r_mtx; /* NFS request mutex */ 804 TAILQ_ENTRY(nfsreq) r_chain; /* request queue chain */ 805 TAILQ_ENTRY(nfsreq) r_achain; /* mount's async I/O request queue chain */ 806 TAILQ_ENTRY(nfsreq) r_rchain; /* mount's async I/O resend queue chain */ 807 TAILQ_ENTRY(nfsreq) r_cchain; /* mount's cwnd queue chain */ 808 mbuf_t r_mrest; /* request body mbufs */ 809 mbuf_t r_mhead; /* request header mbufs */ 810 struct nfsm_chain r_nmrep; /* reply mbufs */ 811 nfsnode_t r_np; /* NFS node */ 812 struct nfsmount *r_nmp; /* NFS mount point */ 813 uint64_t r_xid; /* RPC transaction ID */ 814 uint32_t r_procnum; /* NFS procedure number */ 815 u_long r_mreqlen; /* request length */ 816 int r_flags; /* flags on request, see below */ 817 int r_lflags; /* flags protected by list mutex, see below */ 818 int r_refs; /* # outstanding references */ 819 uint8_t r_delay; /* delay to use for jukebox error */ 820 uint8_t r_retry; /* max retransmission count */ 821 uint8_t r_rexmit; /* current retrans count */ 822 int r_rtt; /* RTT for rpc */ 823 thread_t r_thread; /* thread that did I/O system call */ 824 kauth_cred_t r_cred; /* credential used for request */ 825 long r_start; /* request start time */ 826 long r_lastmsg; /* time of last tprintf */ 827 long r_resendtime; /* time of next jukebox error resend */ 828 struct nfs_gss_clnt_ctx *r_gss_ctx; /* RPCSEC_GSS context */ 829 SLIST_HEAD(, gss_seq) r_gss_seqlist; /* RPCSEC_GSS sequence numbers */ 830 uint32_t r_gss_argoff; /* RPCSEC_GSS offset to args */ 831 uint32_t r_gss_arglen; /* RPCSEC_GSS arg length */ 832 int r_error; /* request error */ 833 struct nfsreq_cbinfo r_callback; /* callback info */ 834}; 835 836/* 837 * Queue head for nfsreq's 838 */ 839TAILQ_HEAD(nfs_reqqhead, nfsreq); 840__private_extern__ struct nfs_reqqhead nfs_reqq; 841__private_extern__ lck_grp_t *nfs_request_grp; 842 843#define R_XID32(x) ((x) & 0xffffffff) 844 845#define NFSREQNOLIST ((struct nfsreq *)0xdeadbeef) /* sentinel value for nfsreq lists */ 846 847/* Flag values for r_flags */ 848#define R_TIMING 0x0001 /* timing request (in mntp) */ 849#define R_CWND 0x0002 /* request accounted for in congestion window */ 850#define R_SOFTTERM 0x0004 /* request terminated (e.g. soft mnt) */ 851#define R_RESTART 0x0008 /* RPC should be restarted. */ 852#define R_INITTED 0x0010 /* request has been initialized */ 853#define R_TPRINTFMSG 0x0020 /* Did a tprintf msg. */ 854#define R_MUSTRESEND 0x0040 /* Must resend request */ 855#define R_ALLOCATED 0x0080 /* request was allocated */ 856#define R_SENT 0x0100 /* request has been sent */ 857#define R_WAITSENT 0x0200 /* someone is waiting for request to be sent */ 858#define R_RESENDERR 0x0400 /* resend failed */ 859#define R_JBTPRINTFMSG 0x0800 /* Did a tprintf msg for jukebox error */ 860#define R_ASYNC 0x1000 /* async request */ 861#define R_ASYNCWAIT 0x2000 /* async request now being waited on */ 862#define R_RESENDQ 0x4000 /* async request currently on resendq */ 863 864#define R_SETUP 0x8000 /* a setup RPC - during (re)connection */ 865#define R_OPTMASK 0x8000 /* mask of all RPC option flags */ 866 867/* Flag values for r_lflags */ 868#define RL_BUSY 0x0001 /* Locked. */ 869#define RL_WAITING 0x0002 /* Someone waiting for lock. */ 870#define RL_QUEUED 0x0004 /* request is on the queue */ 871 872__private_extern__ u_long nfs_xid, nfs_xidwrap; 873__private_extern__ int nfs_iosize, nfs_access_cache_timeout, nfs_allow_async, nfs_statfs_rate_limit; 874__private_extern__ int nfs_lockd_mounts, nfs_lockd_request_sent; 875__private_extern__ int nfs_tprintf_initial_delay, nfs_tprintf_delay; 876__private_extern__ int nfsiod_thread_count, nfsiod_thread_max, nfs_max_async_writes; 877 878#define NFSIOD_MAX (MIN(nfsiod_thread_max, NFS_MAXASYNCTHREAD)) 879 880struct nfs_dulookup { 881 int du_flags; /* state of ._ lookup */ 882#define NFS_DULOOKUP_DOIT 0x1 883#define NFS_DULOOKUP_INPROG 0x2 884 struct componentname du_cn; /* ._ name being looked up */ 885 struct nfsreq du_req; /* NFS request for lookup */ 886 char du_smallname[48]; /* buffer for small names */ 887}; 888 889/* 890 * Network address hash list element 891 */ 892union nethostaddr { 893 u_long had_inetaddr; 894 mbuf_t had_nam; 895}; 896 897/* 898 * One nfsrv_sock structure is maintained for each socket the 899 * server is servicing requests on. 900 */ 901struct nfsrv_sock { 902 TAILQ_ENTRY(nfsrv_sock) ns_chain; /* List of all nfsrv_sock's */ 903 TAILQ_ENTRY(nfsrv_sock) ns_svcq; /* List of sockets needing servicing */ 904 TAILQ_ENTRY(nfsrv_sock) ns_wgq; /* List of sockets with a pending write gather */ 905 lck_rw_t ns_rwlock; /* lock for most fields */ 906 socket_t ns_so; 907 mbuf_t ns_nam; 908 mbuf_t ns_raw; 909 mbuf_t ns_rawend; 910 mbuf_t ns_rec; 911 mbuf_t ns_recend; 912 mbuf_t ns_frag; 913 int ns_flag; 914 int ns_sotype; 915 int ns_cc; 916 int ns_reclen; 917 int ns_reccnt; 918 u_long ns_sref; 919 time_t ns_timestamp; /* socket timestamp */ 920 lck_mtx_t ns_wgmutex; /* mutex for write gather fields */ 921 u_quad_t ns_wgtime; /* next Write deadline (usec) */ 922 LIST_HEAD(, nfsrv_descript) ns_tq; /* Write gather lists */ 923 LIST_HEAD(nfsrv_wg_delayhash, nfsrv_descript) ns_wdelayhashtbl[NFS_WDELAYHASHSIZ]; 924}; 925 926/* Bits for "ns_flag" */ 927#define SLP_VALID 0x0001 /* nfs sock valid */ 928#define SLP_DOREC 0x0002 /* nfs sock has received data to process */ 929#define SLP_NEEDQ 0x0004 /* network socket has data to receive */ 930#define SLP_DISCONN 0x0008 /* socket needs to be zapped */ 931#define SLP_GETSTREAM 0x0010 /* currently in nfsrv_getstream() */ 932#define SLP_LASTFRAG 0x0020 /* on last fragment of RPC record */ 933#define SLP_DOWRITES 0x0040 /* nfs sock has gathered writes to service */ 934#define SLP_WORKTODO 0x004e /* mask of all "work to do" flags */ 935#define SLP_ALLFLAGS 0x007f 936#define SLP_WAITQ 0x4000 /* nfs sock is on the wait queue */ 937#define SLP_WORKQ 0x8000 /* nfs sock is on the work queue */ 938#define SLP_QUEUED 0xc000 /* nfs sock is on a queue */ 939 940#define SLPNOLIST ((struct nfsrv_sock *)0xdeadbeef) /* sentinel value for sockets not in the nfsrv_sockwg list */ 941 942__private_extern__ struct nfsrv_sock *nfsrv_udpsock; 943 944/* 945 * global NFS server socket lists: 946 * 947 * nfsrv_socklist - list of all sockets (ns_chain) 948 * nfsrv_sockwait - sockets w/new data waiting to be worked on (ns_svcq) 949 * nfsrv_sockwork - sockets being worked on which may have more work to do (ns_svcq) 950 * nfsrv_sockwg - sockets with pending write gather input (ns_wgq) 951 */ 952__private_extern__ TAILQ_HEAD(nfsrv_sockhead, nfsrv_sock) nfsrv_socklist, nfsrv_deadsocklist, 953 nfsrv_sockwg, nfsrv_sockwait, nfsrv_sockwork; 954 955/* lock groups for nfsrv_sock's */ 956__private_extern__ lck_grp_t *nfsrv_slp_rwlock_group; 957__private_extern__ lck_grp_t *nfsrv_slp_mutex_group; 958 959/* 960 * One of these structures is allocated for each nfsd. 961 */ 962struct nfsd { 963 TAILQ_ENTRY(nfsd) nfsd_chain; /* List of all nfsd's */ 964 TAILQ_ENTRY(nfsd) nfsd_queue; /* List of waiting nfsd's */ 965 int nfsd_flag; /* NFSD_ flags */ 966 struct nfsrv_sock *nfsd_slp; /* Current socket */ 967 struct nfsrv_descript *nfsd_nd; /* Associated nfsrv_descript */ 968}; 969 970/* Bits for "nfsd_flag" */ 971#define NFSD_WAITING 0x01 972#define NFSD_REQINPROG 0x02 973 974/* 975 * This structure is used by the server for describing each request. 976 * Some fields are used only when write request gathering is performed. 977 */ 978struct nfsrv_descript { 979 u_quad_t nd_time; /* Write deadline (usec) */ 980 off_t nd_off; /* Start byte offset */ 981 off_t nd_eoff; /* and end byte offset */ 982 LIST_ENTRY(nfsrv_descript) nd_hash; /* Hash list */ 983 LIST_ENTRY(nfsrv_descript) nd_tq; /* and timer list */ 984 LIST_HEAD(,nfsrv_descript) nd_coalesce; /* coalesced writes */ 985 struct nfsm_chain nd_nmreq; /* Request mbuf chain */ 986 mbuf_t nd_mrep; /* Reply mbuf list (WG) */ 987 mbuf_t nd_nam; /* and socket addr */ 988 mbuf_t nd_nam2; /* return socket addr */ 989 u_int32_t nd_procnum; /* RPC # */ 990 int nd_stable; /* storage type */ 991 int nd_vers; /* NFS version */ 992 int nd_len; /* Length of this write */ 993 int nd_repstat; /* Reply status */ 994 u_long nd_retxid; /* Reply xid */ 995 struct timeval nd_starttime; /* Time RPC initiated */ 996 struct nfs_filehandle nd_fh; /* File handle */ 997 uint32_t nd_sec; /* Security flavor */ 998 struct nfs_gss_svc_ctx *nd_gss_context;/* RPCSEC_GSS context */ 999 uint32_t nd_gss_seqnum; /* RPCSEC_GSS seq num */ 1000 mbuf_t nd_gss_mb; /* RPCSEC_GSS results mbuf */ 1001 kauth_cred_t nd_cr; /* Credentials */ 1002}; 1003 1004__private_extern__ TAILQ_HEAD(nfsd_head, nfsd) nfsd_head, nfsd_queue; 1005 1006/* mutex for nfs server */ 1007__private_extern__ lck_mtx_t *nfsd_mutex; 1008__private_extern__ int nfsd_thread_count, nfsd_thread_max; 1009 1010/* request list mutex */ 1011__private_extern__ lck_mtx_t *nfs_request_mutex; 1012__private_extern__ int nfs_request_timer_on; 1013 1014/* nfs timer call structures */ 1015__private_extern__ thread_call_t nfs_request_timer_call; 1016__private_extern__ thread_call_t nfs_buf_timer_call; 1017__private_extern__ thread_call_t nfsrv_deadsock_timer_call; 1018__private_extern__ thread_call_t nfsrv_fmod_timer_call; 1019 1020__BEGIN_DECLS 1021 1022nfstype vtonfs_type(enum vtype, int); 1023enum vtype nfstov_type(nfstype, int); 1024int vtonfsv2_mode(enum vtype, mode_t); 1025 1026void nfs_mbuf_init(void); 1027 1028void nfs_nhinit(void); 1029void nfs_nhinit_finish(void); 1030u_long nfs_hash(u_char *, int); 1031 1032int nfs4_setclientid(struct nfsmount *); 1033void nfs4_renew_timer(void *, void *); 1034int nfs_connect(struct nfsmount *); 1035void nfs_disconnect(struct nfsmount *); 1036void nfs_mount_sock_thread_wake(struct nfsmount *); 1037 1038int nfs_getattr(nfsnode_t, struct nfs_vattr *, vfs_context_t, int); 1039int nfs_getattrcache(nfsnode_t, struct nfs_vattr *, int); 1040int nfs_loadattrcache(nfsnode_t, struct nfs_vattr *, u_int64_t *, int); 1041int nfs_attrcachetimeout(nfsnode_t); 1042 1043int nfs_buf_page_inval(vnode_t vp, off_t offset); 1044int nfs_vinvalbuf(vnode_t, int, vfs_context_t, int); 1045int nfs_vinvalbuf2(vnode_t, int, thread_t, kauth_cred_t, int); 1046 1047int nfs_request_create(nfsnode_t, mount_t, struct nfsm_chain *, int, thread_t, kauth_cred_t, struct nfsreq **); 1048void nfs_request_destroy(struct nfsreq *); 1049void nfs_request_ref(struct nfsreq *, int); 1050void nfs_request_rele(struct nfsreq *); 1051int nfs_request_add_header(struct nfsreq *); 1052int nfs_request_send(struct nfsreq *, int); 1053void nfs_request_wait(struct nfsreq *); 1054int nfs_request_finish(struct nfsreq *, struct nfsm_chain *, int *); 1055int nfs_request(nfsnode_t, mount_t, struct nfsm_chain *, int, vfs_context_t, struct nfsm_chain *, u_int64_t *, int *); 1056int nfs_request2(nfsnode_t, mount_t, struct nfsm_chain *, int, thread_t, kauth_cred_t, int, struct nfsm_chain *, u_int64_t *, int *); 1057int nfs_request_async(nfsnode_t, mount_t, struct nfsm_chain *, int, thread_t, kauth_cred_t, struct nfsreq_cbinfo *cb, struct nfsreq **); 1058int nfs_request_async_finish(struct nfsreq *, struct nfsm_chain *, u_int64_t *, int *); 1059void nfs_request_async_cancel(struct nfsreq *); 1060void nfs_request_timer(void *, void *); 1061int nfs_sigintr(struct nfsmount *, struct nfsreq *, thread_t, int); 1062int nfs_noremotehang(thread_t); 1063 1064int nfs_send(struct nfsreq *, int); 1065int nfs_sndlock(struct nfsreq *); 1066void nfs_sndunlock(struct nfsreq *); 1067 1068int nfs_lookitup(nfsnode_t, char *, int, vfs_context_t, nfsnode_t *); 1069void nfs_dulookup_init(struct nfs_dulookup *, nfsnode_t, const char *, int); 1070void nfs_dulookup_start(struct nfs_dulookup *, nfsnode_t, vfs_context_t); 1071void nfs_dulookup_finish(struct nfs_dulookup *, nfsnode_t, vfs_context_t); 1072 1073int nfs_parsefattr(struct nfsm_chain *, int, struct nfs_vattr *); 1074int nfs4_parsefattr(struct nfsm_chain *, struct nfs_fsattr *, struct nfs_vattr *, fhandle_t *, struct dqblk *); 1075void nfs_vattr_set_supported(uint32_t *, struct vnode_attr *); 1076void nfs3_pathconf_cache(struct nfsmount *, struct nfs_fsattr *); 1077int nfs_node_mode_slot(nfsnode_t, uid_t, int); 1078 1079int nfs_vnop_access(struct vnop_access_args *); 1080 1081int nfs3_vnop_open(struct vnop_open_args *); 1082int nfs3_vnop_close(struct vnop_close_args *); 1083 1084int nfs4_vnop_create(struct vnop_create_args *); 1085int nfs4_vnop_mknod(struct vnop_mknod_args *); 1086int nfs4_vnop_open(struct vnop_open_args *); 1087int nfs4_vnop_close(struct vnop_close_args *); 1088int nfs4_vnop_getattr(struct vnop_getattr_args *); 1089int nfs4_vnop_link(struct vnop_link_args *); 1090int nfs4_vnop_mkdir(struct vnop_mkdir_args *); 1091int nfs4_vnop_rmdir(struct vnop_rmdir_args *); 1092int nfs4_vnop_symlink(struct vnop_symlink_args *); 1093int nfs4_vnop_advlock(struct vnop_advlock_args *ap); 1094 1095int nfs_read_rpc(nfsnode_t, struct uio *, vfs_context_t); 1096int nfs_write_rpc(nfsnode_t, struct uio *, vfs_context_t, int *, uint64_t *); 1097int nfs_write_rpc2(nfsnode_t, struct uio *, thread_t, kauth_cred_t, int *, uint64_t *); 1098 1099int nfs3_access_rpc(nfsnode_t, u_long *, vfs_context_t); 1100int nfs4_access_rpc(nfsnode_t, u_long *, vfs_context_t); 1101int nfs3_getattr_rpc(nfsnode_t, mount_t, u_char *, size_t, vfs_context_t, struct nfs_vattr *, u_int64_t *); 1102int nfs4_getattr_rpc(nfsnode_t, mount_t, u_char *, size_t, vfs_context_t, struct nfs_vattr *, u_int64_t *); 1103int nfs3_setattr_rpc(nfsnode_t, struct vnode_attr *, vfs_context_t, int); 1104int nfs4_setattr_rpc(nfsnode_t, struct vnode_attr *, vfs_context_t, int); 1105int nfs3_read_rpc_async(nfsnode_t, off_t, size_t, thread_t, kauth_cred_t, struct nfsreq_cbinfo *, struct nfsreq **); 1106int nfs4_read_rpc_async(nfsnode_t, off_t, size_t, thread_t, kauth_cred_t, struct nfsreq_cbinfo *, struct nfsreq **); 1107int nfs3_read_rpc_async_finish(nfsnode_t, struct nfsreq *, struct uio *, size_t *, int *); 1108int nfs4_read_rpc_async_finish(nfsnode_t, struct nfsreq *, struct uio *, size_t *, int *); 1109int nfs3_write_rpc_async(nfsnode_t, struct uio *, size_t, thread_t, kauth_cred_t, int, struct nfsreq_cbinfo *, struct nfsreq **); 1110int nfs4_write_rpc_async(nfsnode_t, struct uio *, size_t, thread_t, kauth_cred_t, int, struct nfsreq_cbinfo *, struct nfsreq **); 1111int nfs3_write_rpc_async_finish(nfsnode_t, struct nfsreq *, int *, size_t *, uint64_t *); 1112int nfs4_write_rpc_async_finish(nfsnode_t, struct nfsreq *, int *, size_t *, uint64_t *); 1113int nfs3_readdir_rpc(nfsnode_t, struct uio *, vfs_context_t); 1114int nfs3_readdirplus_rpc(nfsnode_t, struct uio *, vfs_context_t); 1115int nfs4_readdir_rpc(nfsnode_t, struct uio *, vfs_context_t); 1116int nfs3_readlink_rpc(nfsnode_t, char *, uint32_t *, vfs_context_t); 1117int nfs4_readlink_rpc(nfsnode_t, char *, uint32_t *, vfs_context_t); 1118int nfs3_commit_rpc(nfsnode_t, u_int64_t, u_int64_t, kauth_cred_t); 1119int nfs4_commit_rpc(nfsnode_t, u_int64_t, u_int64_t, kauth_cred_t); 1120int nfs3_lookup_rpc_async(nfsnode_t, char *, int, vfs_context_t, struct nfsreq **); 1121int nfs4_lookup_rpc_async(nfsnode_t, char *, int, vfs_context_t, struct nfsreq **); 1122int nfs3_lookup_rpc_async_finish(nfsnode_t, vfs_context_t, struct nfsreq *, u_int64_t *, fhandle_t *, struct nfs_vattr *); 1123int nfs4_lookup_rpc_async_finish(nfsnode_t, vfs_context_t, struct nfsreq *, u_int64_t *, fhandle_t *, struct nfs_vattr *); 1124int nfs3_remove_rpc(nfsnode_t, char *, int, thread_t, kauth_cred_t); 1125int nfs4_remove_rpc(nfsnode_t, char *, int, thread_t, kauth_cred_t); 1126int nfs3_rename_rpc(nfsnode_t, char *, int, nfsnode_t, char *, int, vfs_context_t); 1127int nfs4_rename_rpc(nfsnode_t, char *, int, nfsnode_t, char *, int, vfs_context_t); 1128int nfs3_pathconf_rpc(nfsnode_t, struct nfs_fsattr *, vfs_context_t); 1129int nfs4_pathconf_rpc(nfsnode_t, struct nfs_fsattr *, vfs_context_t); 1130 1131void nfsrv_active_user_list_reclaim(void); 1132void nfsrv_cleancache(void); 1133void nfsrv_cleanup(void); 1134int nfsrv_credcheck(struct nfsrv_descript *, vfs_context_t, struct nfs_export *, 1135 struct nfs_export_options *); 1136void nfsrv_deadsock_timer(void *, void *); 1137int nfsrv_dorec(struct nfsrv_sock *, struct nfsd *, struct nfsrv_descript **); 1138int nfsrv_errmap(struct nfsrv_descript *, int); 1139int nfsrv_export(struct user_nfs_export_args *, vfs_context_t); 1140int nfsrv_fhmatch(struct nfs_filehandle *, struct nfs_filehandle *); 1141int nfsrv_fhtovp(struct nfs_filehandle *, struct nfsrv_descript *, vnode_t *, 1142 struct nfs_export **, struct nfs_export_options **); 1143void nfsrv_fmod_timer(void *, void *); 1144int nfsrv_getcache(struct nfsrv_descript *, struct nfsrv_sock *, mbuf_t *); 1145void nfsrv_group_sort(gid_t *, int); 1146void nfsrv_init(void); 1147void nfsrv_initcache(void); 1148int nfsrv_is_initialized(void); 1149int nfsrv_namei(struct nfsrv_descript *, vfs_context_t, struct nameidata *, 1150 struct nfs_filehandle *, vnode_t *, 1151 struct nfs_export **, struct nfs_export_options **); 1152void nfsrv_rcv(socket_t, caddr_t, int); 1153void nfsrv_rcv_locked(socket_t, struct nfsrv_sock *, int); 1154int nfsrv_rephead(struct nfsrv_descript *, struct nfsrv_sock *, struct nfsm_chain *, size_t); 1155int nfsrv_send(struct nfsrv_sock *, mbuf_t, mbuf_t); 1156void nfsrv_updatecache(struct nfsrv_descript *, int, mbuf_t); 1157void nfsrv_update_user_stat(struct nfs_export *, struct nfsrv_descript *, uid_t, u_int, u_int, u_int); 1158int nfsrv_vptofh(struct nfs_export *, int, struct nfs_filehandle *, 1159 vnode_t, vfs_context_t, struct nfs_filehandle *); 1160void nfsrv_wakenfsd(struct nfsrv_sock *); 1161void nfsrv_wg_timer(void *, void *); 1162int nfsrv_writegather(struct nfsrv_descript **, struct nfsrv_sock *, 1163 vfs_context_t, mbuf_t *); 1164 1165int nfsrv_access(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); 1166int nfsrv_commit(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); 1167int nfsrv_create(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); 1168int nfsrv_fsinfo(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); 1169int nfsrv_getattr(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); 1170int nfsrv_link(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); 1171int nfsrv_lookup(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); 1172int nfsrv_mkdir(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); 1173int nfsrv_mknod(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); 1174int nfsrv_noop(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); 1175int nfsrv_null(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); 1176int nfsrv_pathconf(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); 1177int nfsrv_read(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); 1178int nfsrv_readdir(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); 1179int nfsrv_readdirplus(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); 1180int nfsrv_readlink(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); 1181int nfsrv_remove(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); 1182int nfsrv_rename(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); 1183int nfsrv_rmdir(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); 1184int nfsrv_setattr(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); 1185int nfsrv_statfs(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); 1186int nfsrv_symlink(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); 1187int nfsrv_write(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); 1188 1189void nfs_interval_timer_start(thread_call_t, int); 1190void nfs_up(struct nfsmount *, thread_t, int, const char *); 1191void nfs_down(struct nfsmount *, thread_t, int, int, const char *); 1192 1193int nfs_mountroot(void); 1194struct nfs_diskless; 1195int nfs_boot_init(struct nfs_diskless *); 1196int nfs_boot_getfh(struct nfs_diskless *, int, int); 1197 1198__END_DECLS 1199 1200#endif /* KERNEL */ 1201#endif /* __APPLE_API_PRIVATE */ 1202 1203#endif 1204