1/* 2 * Copyright (c) 2000-2013 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 */ 81extern 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 16U /* 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 32768 /* 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 /* size of NFS directory buffers */ 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 NFSRV_NDMAXDATA(n) \ 130 (((n)->nd_vers == NFS_VER3) ? (((n)->nd_nam2) ? \ 131 NFS_MAXDGRAMDATA : NFSRV_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 their own nfs zones. 150 */ 151#define NFS_NODEALLOC 1024 152#define NFS_MNTALLOC 1024 153#define NFS_SVCALLOC 512 154 155#define NFS_ARGSVERSION_XDR 88 /* NFS mount args are in XDR format */ 156 157#define NFS_XDRARGS_VERSION_0 0 158#define NFS_MATTR_BITMAP_LEN 1 /* length of mount attributes bitmap */ 159#define NFS_MFLAG_BITMAP_LEN 1 /* length of mount flags bitmap */ 160 161/* NFS mount attributes */ 162#define NFS_MATTR_FLAGS 0 /* mount flags (NFS_MATTR_*) */ 163#define NFS_MATTR_NFS_VERSION 1 /* NFS protocol version */ 164#define NFS_MATTR_NFS_MINOR_VERSION 2 /* NFS protocol minor version */ 165#define NFS_MATTR_READ_SIZE 3 /* READ RPC size */ 166#define NFS_MATTR_WRITE_SIZE 4 /* WRITE RPC size */ 167#define NFS_MATTR_READDIR_SIZE 5 /* READDIR RPC size */ 168#define NFS_MATTR_READAHEAD 6 /* block readahead count */ 169#define NFS_MATTR_ATTRCACHE_REG_MIN 7 /* minimum attribute cache time */ 170#define NFS_MATTR_ATTRCACHE_REG_MAX 8 /* maximum attribute cache time */ 171#define NFS_MATTR_ATTRCACHE_DIR_MIN 9 /* minimum attribute cache time for dirs */ 172#define NFS_MATTR_ATTRCACHE_DIR_MAX 10 /* maximum attribute cache time for dirs */ 173#define NFS_MATTR_LOCK_MODE 11 /* advisory file locking mode (NFS_LOCK_MODE_*) */ 174#define NFS_MATTR_SECURITY 12 /* RPC security flavors to use */ 175#define NFS_MATTR_MAX_GROUP_LIST 13 /* max # of RPC AUTH_SYS groups */ 176#define NFS_MATTR_SOCKET_TYPE 14 /* socket transport type as a netid-like string */ 177#define NFS_MATTR_NFS_PORT 15 /* port # to use for NFS protocol */ 178#define NFS_MATTR_MOUNT_PORT 16 /* port # to use for MOUNT protocol */ 179#define NFS_MATTR_REQUEST_TIMEOUT 17 /* initial RPC request timeout value */ 180#define NFS_MATTR_SOFT_RETRY_COUNT 18 /* max RPC retransmissions for soft mounts */ 181#define NFS_MATTR_DEAD_TIMEOUT 19 /* how long until unresponsive mount is considered dead */ 182#define NFS_MATTR_FH 20 /* file handle for mount directory */ 183#define NFS_MATTR_FS_LOCATIONS 21 /* list of locations for the file system */ 184#define NFS_MATTR_MNTFLAGS 22 /* VFS mount flags (MNT_*) */ 185#define NFS_MATTR_MNTFROM 23 /* fixed string to use for "f_mntfromname" */ 186#define NFS_MATTR_REALM 24 /* Realm to authenticate with */ 187#define NFS_MATTR_PRINCIPAL 25 /* GSS principal to authenticate with */ 188#define NFS_MATTR_SVCPRINCIPAL 26 /* GSS principal to authenticate to, the server principal */ 189 190/* NFS mount flags */ 191#define NFS_MFLAG_SOFT 0 /* soft mount (requests fail if unresponsive) */ 192#define NFS_MFLAG_INTR 1 /* allow operations to be interrupted */ 193#define NFS_MFLAG_RESVPORT 2 /* use a reserved port */ 194#define NFS_MFLAG_NOCONNECT 3 /* don't connect the socket (UDP) */ 195#define NFS_MFLAG_DUMBTIMER 4 /* don't estimate RTT dynamically */ 196#define NFS_MFLAG_CALLUMNT 5 /* call MOUNTPROC_UMNT on unmount */ 197#define NFS_MFLAG_RDIRPLUS 6 /* request additional info when reading directories */ 198#define NFS_MFLAG_NONEGNAMECACHE 7 /* don't do negative name caching */ 199#define NFS_MFLAG_MUTEJUKEBOX 8 /* don't treat jukebox errors as unresponsive */ 200#define NFS_MFLAG_EPHEMERAL 9 /* ephemeral (mirror) mount */ 201#define NFS_MFLAG_NOCALLBACK 10 /* don't provide callback RPC service */ 202#define NFS_MFLAG_NONAMEDATTR 11 /* don't use named attributes */ 203#define NFS_MFLAG_NOACL 12 /* don't support ACLs */ 204#define NFS_MFLAG_ACLONLY 13 /* only support ACLs - not mode */ 205#define NFS_MFLAG_NFC 14 /* send NFC strings */ 206#define NFS_MFLAG_NOQUOTA 15 /* don't support QUOTA requests */ 207#define NFS_MFLAG_MNTUDP 16 /* MOUNT protocol should use UDP */ 208#define NFS_MFLAG_MNTQUICK 17 /* use short timeouts while mounting */ 209 210/* NFS advisory file locking modes */ 211#define NFS_LOCK_MODE_ENABLED 0 /* advisory file locking enabled */ 212#define NFS_LOCK_MODE_DISABLED 1 /* do not support advisory file locking */ 213#define NFS_LOCK_MODE_LOCAL 2 /* perform advisory file locking locally */ 214 215/* 216 * Old-style arguments to mount NFS 217 */ 218#define NFS_ARGSVERSION 6 /* change when nfs_args changes */ 219struct nfs_args { 220 int version; /* args structure version number */ 221#ifdef KERNEL 222 user32_addr_t addr; /* file server address */ 223#else 224 struct sockaddr *addr; /* file server address */ 225#endif 226 int addrlen; /* length of address */ 227 int sotype; /* Socket type */ 228 int proto; /* and Protocol */ 229#ifdef KERNEL 230 user32_addr_t fh; /* File handle to be mounted */ 231#else 232 u_char *fh; /* File handle to be mounted */ 233#endif 234 int fhsize; /* Size, in bytes, of fh */ 235 int flags; /* flags */ 236 int wsize; /* write size in bytes */ 237 int rsize; /* read size in bytes */ 238 int readdirsize; /* readdir size in bytes */ 239 int timeo; /* initial timeout in .1 secs */ 240 int retrans; /* times to retry send */ 241 int maxgrouplist; /* Max. size of group list */ 242 int readahead; /* # of blocks to readahead */ 243 int leaseterm; /* obsolete: Term (sec) of lease */ 244 int deadthresh; /* obsolete: Retrans threshold */ 245#ifdef KERNEL 246 user32_addr_t hostname; /* server's name */ 247#else 248 char *hostname; /* server's name */ 249#endif 250 /* NFS_ARGSVERSION 3 ends here */ 251 int acregmin; /* reg file min attr cache timeout */ 252 int acregmax; /* reg file max attr cache timeout */ 253 int acdirmin; /* dir min attr cache timeout */ 254 int acdirmax; /* dir max attr cache timeout */ 255 /* NFS_ARGSVERSION 4 ends here */ 256 uint32_t auth; /* security mechanism flavor */ 257 /* NFS_ARGSVERSION 5 ends here */ 258 uint32_t deadtimeout; /* secs until unresponsive mount considered dead */ 259}; 260 261/* incremental size additions in each version of nfs_args */ 262#define NFS_ARGSVERSION4_INCSIZE (4 * sizeof(int)) 263#define NFS_ARGSVERSION5_INCSIZE (sizeof(uint32_t)) 264#define NFS_ARGSVERSION6_INCSIZE (sizeof(uint32_t)) 265 266#ifdef KERNEL 267/* LP64 version of nfs_args. all pointers and longs 268 * grow when we're dealing with a 64-bit process. 269 * WARNING - keep in sync with nfs_args 270 */ 271struct user_nfs_args { 272 int version; /* args structure version number */ 273 user_addr_t addr __attribute((aligned(8))); /* file server address */ 274 int addrlen; /* length of address */ 275 int sotype; /* Socket type */ 276 int proto; /* and Protocol */ 277 user_addr_t fh __attribute((aligned(8))); /* File handle to be mounted */ 278 int fhsize; /* Size, in bytes, of fh */ 279 int flags; /* flags */ 280 int wsize; /* write size in bytes */ 281 int rsize; /* read size in bytes */ 282 int readdirsize; /* readdir size in bytes */ 283 int timeo; /* initial timeout in .1 secs */ 284 int retrans; /* times to retry send */ 285 int maxgrouplist; /* Max. size of group list */ 286 int readahead; /* # of blocks to readahead */ 287 int leaseterm; /* obsolete: Term (sec) of lease */ 288 int deadthresh; /* obsolete: Retrans threshold */ 289 user_addr_t hostname __attribute((aligned(8))); /* server's name */ 290 /* NFS_ARGSVERSION 3 ends here */ 291 int acregmin; /* reg file min attr cache timeout */ 292 int acregmax; /* reg file max attr cache timeout */ 293 int acdirmin; /* dir min attr cache timeout */ 294 int acdirmax; /* dir max attr cache timeout */ 295 /* NFS_ARGSVERSION 4 ends here */ 296 uint32_t auth; /* security mechanism flavor */ 297 /* NFS_ARGSVERSION 5 ends here */ 298 uint32_t deadtimeout; /* secs until unresponsive mount considered dead */ 299}; 300#endif // KERNEL 301 302/* 303 * Old-style NFS mount option flags 304 */ 305#define NFSMNT_SOFT 0x00000001 /* soft mount (hard is default) */ 306#define NFSMNT_WSIZE 0x00000002 /* set write size */ 307#define NFSMNT_RSIZE 0x00000004 /* set read size */ 308#define NFSMNT_TIMEO 0x00000008 /* set initial timeout */ 309#define NFSMNT_RETRANS 0x00000010 /* set number of request retries */ 310#define NFSMNT_MAXGRPS 0x00000020 /* set maximum grouplist size */ 311#define NFSMNT_INT 0x00000040 /* allow interrupts on hard mount */ 312#define NFSMNT_NOCONN 0x00000080 /* Don't Connect the socket */ 313#define NFSMNT_NONEGNAMECACHE 0x00000100 /* Don't do negative name caching */ 314#define NFSMNT_NFSV3 0x00000200 /* Use NFS Version 3 protocol */ 315#define NFSMNT_NFSV4 0x00000400 /* Use NFS Version 4 protocol */ 316#define NFSMNT_DUMBTIMR 0x00000800 /* Don't estimate rtt dynamically */ 317#define NFSMNT_DEADTIMEOUT 0x00001000 /* unmount after a period of unresponsiveness */ 318#define NFSMNT_READAHEAD 0x00002000 /* set read ahead */ 319#define NFSMNT_CALLUMNT 0x00004000 /* call MOUNTPROC_UMNT on unmount */ 320#define NFSMNT_RESVPORT 0x00008000 /* Allocate a reserved port */ 321#define NFSMNT_RDIRPLUS 0x00010000 /* Use Readdirplus for V3 */ 322#define NFSMNT_READDIRSIZE 0x00020000 /* Set readdir size */ 323#define NFSMNT_NOLOCKS 0x00040000 /* don't support file locking */ 324#define NFSMNT_LOCALLOCKS 0x00080000 /* do file locking locally on client */ 325#define NFSMNT_ACREGMIN 0x00100000 /* reg min attr cache timeout */ 326#define NFSMNT_ACREGMAX 0x00200000 /* reg max attr cache timeout */ 327#define NFSMNT_ACDIRMIN 0x00400000 /* dir min attr cache timeout */ 328#define NFSMNT_ACDIRMAX 0x00800000 /* dir max attr cache timeout */ 329#define NFSMNT_SECFLAVOR 0x01000000 /* Use security flavor */ 330#define NFSMNT_SECSYSOK 0x02000000 /* Server can support auth sys */ 331#define NFSMNT_MUTEJUKEBOX 0x04000000 /* don't treat jukebox errors as unresponsive */ 332#define NFSMNT_NOQUOTA 0x08000000 /* don't support QUOTA requests */ 333 334 335/* 336 * fs.nfs sysctl(3) NFS_MOUNTINFO defines 337 */ 338#define NFS_MOUNT_INFO_VERSION 0 /* nfsstat mount information version */ 339#define NFS_MIATTR_BITMAP_LEN 1 /* length of mount info attributes bitmap */ 340#define NFS_MIFLAG_BITMAP_LEN 1 /* length of mount info flags bitmap */ 341 342/* NFS mount info attributes */ 343#define NFS_MIATTR_FLAGS 0 /* mount info flags bitmap (MIFLAG_*) */ 344#define NFS_MIATTR_ORIG_ARGS 1 /* original mount args passed into mount call */ 345#define NFS_MIATTR_CUR_ARGS 2 /* current mount args values */ 346#define NFS_MIATTR_CUR_LOC_INDEX 3 /* current fs location index */ 347 348/* NFS mount info flags */ 349#define NFS_MIFLAG_DEAD 0 /* mount is dead */ 350#define NFS_MIFLAG_NOTRESP 1 /* server is unresponsive */ 351#define NFS_MIFLAG_RECOVERY 2 /* mount in recovery */ 352 353 354/* 355 * Structures for the nfssvc(2) syscall. Not that anyone but nfsd 356 * should ever try and use it. 357 */ 358struct nfsd_args { 359 int sock; /* Socket to serve */ 360#ifdef KERNEL 361 user32_addr_t name; /* Client addr for connection based sockets */ 362#else 363 caddr_t name; /* Client addr for connection based sockets */ 364#endif 365 int namelen; /* Length of name */ 366}; 367 368#ifdef KERNEL 369/* LP64 version of nfsd_args. all pointers and longs 370 * grow when we're dealing with a 64-bit process. 371 * WARNING - keep in sync with nfsd_args 372 */ 373struct user_nfsd_args { 374 int sock; /* Socket to serve */ 375 user_addr_t name __attribute((aligned(8))); /* Client addr for connection based sockets */ 376 int namelen; /* Length of name */ 377}; 378 379#endif // KERNEL 380 381/* 382 * NFS Server File Handle structures 383 */ 384 385/* NFS export handle identifies which NFS export */ 386#define NFS_FH_VERSION 0x4e580000 /* 'NX00' */ 387struct nfs_exphandle { 388 uint32_t nxh_version; /* data structure version */ 389 uint32_t nxh_fsid; /* File System Export ID */ 390 uint32_t nxh_expid; /* Export ID */ 391 uint16_t nxh_flags; /* export handle flags */ 392 uint8_t nxh_reserved; /* future use */ 393 uint8_t nxh_fidlen; /* length of File ID */ 394}; 395 396/* nxh_flags */ 397#define NXHF_INVALIDFH 0x0001 /* file handle is invalid */ 398 399#define NFS_MAX_FID_SIZE (NFS_MAX_FH_SIZE - sizeof(struct nfs_exphandle)) 400#define NFSV4_MAX_FID_SIZE (NFSV4_MAX_FH_SIZE - sizeof(struct nfs_exphandle)) 401#define NFSV3_MAX_FID_SIZE (NFSV3_MAX_FH_SIZE - sizeof(struct nfs_exphandle)) 402#define NFSV2_MAX_FID_SIZE (NFSV2_MAX_FH_SIZE - sizeof(struct nfs_exphandle)) 403 404/* NFS server internal view of fhandle_t */ 405/* The first sizeof(fhandle_t) bytes must match what goes into fhandle_t. */ 406/* (fhp is used to allow use of an external buffer) */ 407struct nfs_filehandle { 408 uint32_t nfh_len; /* total length of file handle */ 409 struct nfs_exphandle nfh_xh; /* export handle */ 410 unsigned char nfh_fid[NFS_MAX_FID_SIZE]; /* File ID */ 411 unsigned char *nfh_fhp; /* pointer to file handle */ 412}; 413 414/* 415 * NFS export data structures 416 */ 417 418/* Structure to hold an array of security flavors */ 419#define NX_MAX_SEC_FLAVORS 5 420struct nfs_sec { 421 int count; 422 uint32_t flavors[NX_MAX_SEC_FLAVORS]; 423}; 424 425struct nfs_export_net_args { 426 uint32_t nxna_flags; /* export flags */ 427 struct xucred nxna_cred; /* mapped credential for root/all user */ 428 struct sockaddr_storage nxna_addr; /* net address to which exported */ 429 struct sockaddr_storage nxna_mask; /* mask for net address */ 430 struct nfs_sec nxna_sec; /* security mechanism flavors */ 431}; 432 433struct nfs_export_args { 434 uint32_t nxa_fsid; /* export FS ID */ 435 uint32_t nxa_expid; /* export ID */ 436#ifdef KERNEL 437 user32_addr_t nxa_fspath; /* export FS path */ 438 user32_addr_t nxa_exppath; /* export sub-path */ 439#else 440 char *nxa_fspath; /* export FS path */ 441 char *nxa_exppath; /* export sub-path */ 442#endif 443 uint32_t nxa_flags; /* export arg flags */ 444 uint32_t nxa_netcount; /* #entries in ex_nets array */ 445#ifdef KERNEL 446 user32_addr_t nxa_nets; /* array of net args */ 447#else 448 struct nfs_export_net_args *nxa_nets; /* array of net args */ 449#endif 450}; 451 452#ifdef KERNEL 453/* LP64 version of export_args */ 454 455struct user_nfs_export_args { 456 uint32_t nxa_fsid; /* export FS ID */ 457 uint32_t nxa_expid; /* export ID */ 458 user_addr_t nxa_fspath; /* export FS path */ 459 user_addr_t nxa_exppath; /* export sub-path */ 460 uint32_t nxa_flags; /* export arg flags */ 461 uint32_t nxa_netcount; /* #entries in ex_nets array */ 462 user_addr_t nxa_nets; /* array of net args */ 463}; 464 465#endif /* KERNEL */ 466 467/* nfs export arg flags */ 468#define NXA_DELETE 0x0001 /* delete the specified export(s) */ 469#define NXA_ADD 0x0002 /* add the specified export(s) */ 470#define NXA_REPLACE 0x0003 /* delete and add the specified export(s) */ 471#define NXA_DELETE_ALL 0x0004 /* delete all exports */ 472#define NXA_OFFLINE 0x0008 /* export is offline */ 473#define NXA_CHECK 0x0010 /* check if exportable */ 474 475/* export option flags */ 476#define NX_READONLY 0x0001 /* exported read-only */ 477#define NX_DEFAULTEXPORT 0x0002 /* exported to the world */ 478#define NX_MAPROOT 0x0004 /* map root access to anon credential */ 479#define NX_MAPALL 0x0008 /* map all access to anon credential */ 480#define NX_32BITCLIENTS 0x0020 /* restrict directory cookies to 32 bits */ 481#define NX_OFFLINE 0x0040 /* export is offline */ 482#define NX_MANGLEDNAMES 0x0080 /* export will return mangled names for names > 255 bytes */ 483 484/* 485 * fs.nfs sysctl(3) export stats record structures 486 */ 487#define NFS_EXPORT_STAT_REC_VERSION 1 /* export stat record version */ 488#define NFS_USER_STAT_REC_VERSION 1 /* active user list record version */ 489 490/* descriptor describing following records */ 491struct nfs_export_stat_desc 492{ 493 uint32_t rec_vers; /* version of export stat records */ 494 uint32_t rec_count; /* total record count */ 495}__attribute__((__packed__)); 496 497/* export stat record containing path and stat counters */ 498struct nfs_export_stat_rec { 499 char path[RPCMNT_PATHLEN + 1]; 500 uint64_t ops; /* Count of NFS Requests received for this export */ 501 uint64_t bytes_read; /* Count of bytes read from this export */ 502 uint64_t bytes_written; /* Count of bytes written to this export */ 503}__attribute__((__packed__)); 504 505/* Active user list stat buffer descriptor */ 506struct nfs_user_stat_desc 507{ 508 uint32_t rec_vers; /* version of active user stat records */ 509 uint32_t rec_count; /* total record count */ 510}__attribute__((__packed__)); 511 512/* Active user list user stat record format */ 513struct nfs_user_stat_user_rec { 514 u_char rec_type; 515 uid_t uid; 516 struct sockaddr_storage sock; 517 uint64_t ops; 518 uint64_t bytes_read; 519 uint64_t bytes_written; 520 uint32_t tm_start; 521 uint32_t tm_last; 522}__attribute__((__packed__)); 523 524/* Active user list path record format */ 525struct nfs_user_stat_path_rec { 526 u_char rec_type; 527 char path[RPCMNT_PATHLEN + 1]; 528}__attribute__((__packed__)); 529 530/* Defines for rec_type field of 531 * nfs_user_stat_rec & nfs_user_stat_rec 532 * data structures 533 */ 534#define NFS_USER_STAT_USER_REC 0 535#define NFS_USER_STAT_PATH_REC 1 536 537 538#ifdef KERNEL 539struct nfs_exportfs; 540 541struct nfs_export_options { 542 uint32_t nxo_flags; /* export options */ 543 kauth_cred_t nxo_cred; /* mapped credential */ 544 struct nfs_sec nxo_sec; /* security mechanism flavors */ 545}; 546 547/* Network address lookup element and individual export options */ 548struct nfs_netopt { 549 struct radix_node no_rnodes[2]; /* radix tree glue */ 550 struct nfs_export_options no_opt; /* export options */ 551}; 552 553/* statistic counters for each exported directory 554 * 555 * Since 64-bit atomic operations are not available on 32-bit platforms, 556 * 64-bit counters are implemented using 32-bit integers and 32-bit 557 * atomic operations 558 */ 559typedef struct nfsstatcount64 { 560 uint32_t hi; 561 uint32_t lo; 562} nfsstatcount64; 563 564struct nfs_export_stat_counters { 565 struct nfsstatcount64 ops; /* Count of NFS Requests received for this export */ 566 struct nfsstatcount64 bytes_read; /* Count of bytes read from this export */ 567 struct nfsstatcount64 bytes_written; /* Count of bytes written to his export */ 568}__attribute__((__packed__)); 569 570/* Macro for updating nfs export stat counters */ 571#define NFSStatAdd64(PTR, VAL) \ 572 do { \ 573 uint32_t NFSSA_OldValue = \ 574 OSAddAtomic((VAL), &(PTR)->lo); \ 575 if ((NFSSA_OldValue + (VAL)) < NFSSA_OldValue) \ 576 OSAddAtomic(1, &(PTR)->hi); \ 577 } while (0) 578 579/* Some defines for dealing with active user list stats */ 580#define NFSRV_USER_STAT_DEF_MAX_NODES 1024 /* default active user list size limit */ 581#define NFSRV_USER_STAT_DEF_IDLE_SEC 7200 /* default idle seconds (node no longer considered active) */ 582 583/* active user list globals */ 584extern uint32_t nfsrv_user_stat_enabled; /* enable/disable active user list */ 585extern uint32_t nfsrv_user_stat_node_count; /* current count of user stat nodes */ 586extern uint32_t nfsrv_user_stat_max_idle_sec; /* idle seconds (node no longer considered active) */ 587extern uint32_t nfsrv_user_stat_max_nodes; /* active user list size limit */ 588extern lck_grp_t *nfsrv_active_user_mutex_group; 589 590/* An active user node represented in the kernel */ 591struct nfs_user_stat_node { 592 TAILQ_ENTRY(nfs_user_stat_node) lru_link; 593 LIST_ENTRY(nfs_user_stat_node) hash_link; 594 uid_t uid; 595 struct sockaddr_storage sock; 596 uint64_t ops; 597 uint64_t bytes_read; 598 uint64_t bytes_written; 599 uint32_t tm_start; 600 uint32_t tm_last; 601}; 602 603/* Hash table for active user nodes */ 604#define NFS_USER_STAT_HASH_SIZE 16 /* MUST be a power of 2 */ 605#define NFS_USER_STAT_HASH(userhashtbl, uid) \ 606 &((userhashtbl)[(uid) & (NFS_USER_STAT_HASH_SIZE - 1)]) 607 608TAILQ_HEAD(nfs_user_stat_lru_head, nfs_user_stat_node); 609LIST_HEAD(nfs_user_stat_hashtbl_head, nfs_user_stat_node); 610 611/* Active user list data structure */ 612/* One per exported directory */ 613struct nfs_active_user_list { 614 struct nfs_user_stat_lru_head user_lru; 615 struct nfs_user_stat_hashtbl_head user_hashtbl[NFS_USER_STAT_HASH_SIZE]; 616 uint32_t node_count; 617 lck_mtx_t user_mutex; 618}; 619 620 621/* Network export information */ 622/* one of these for each exported directory */ 623struct nfs_export { 624 LIST_ENTRY(nfs_export) nx_next; /* FS export list */ 625 LIST_ENTRY(nfs_export) nx_hash; /* export hash chain */ 626 struct nfs_export *nx_parent; /* parent export */ 627 uint32_t nx_id; /* export ID */ 628 uint32_t nx_flags; /* export flags */ 629 struct nfs_exportfs *nx_fs; /* exported file system */ 630 char *nx_path; /* exported file system sub-path */ 631 struct nfs_filehandle nx_fh; /* export root file handle */ 632 struct nfs_export_options nx_defopt; /* default options */ 633 uint32_t nx_expcnt; /* # exports in table */ 634 struct radix_node_head *nx_rtable[AF_MAX+1]; /* table of exports (netopts) */ 635 struct nfs_export_stat_counters nx_stats; /* statistic counters for this exported directory */ 636 struct nfs_active_user_list nx_user_list; /* Active User List for this exported directory */ 637 struct timeval nx_exptime; /* time of export for write verifier */ 638}; 639 640/* NFS exported file system info */ 641/* one of these for each exported file system */ 642struct nfs_exportfs { 643 LIST_ENTRY(nfs_exportfs) nxfs_next; /* exported file system list */ 644 uint32_t nxfs_id; /* exported file system ID */ 645 char *nxfs_path; /* exported file system path */ 646 LIST_HEAD(,nfs_export) nxfs_exports; /* list of exports for this file system */ 647}; 648 649extern LIST_HEAD(nfsrv_expfs_list, nfs_exportfs) nfsrv_exports; 650extern lck_rw_t nfsrv_export_rwlock; // lock for export data structures 651#define NFSRVEXPHASHSZ 64 652#define NFSRVEXPHASHVAL(FSID, EXPID) \ 653 (((FSID) >> 24) ^ ((FSID) >> 16) ^ ((FSID) >> 8) ^ (EXPID)) 654#define NFSRVEXPHASH(FSID, EXPID) \ 655 (&nfsrv_export_hashtbl[NFSRVEXPHASHVAL((FSID),(EXPID)) & nfsrv_export_hash]) 656extern LIST_HEAD(nfsrv_export_hashhead, nfs_export) *nfsrv_export_hashtbl; 657extern u_long nfsrv_export_hash; 658 659#if CONFIG_FSE 660/* 661 * NFS server file mod fsevents 662 */ 663struct nfsrv_fmod { 664 LIST_ENTRY(nfsrv_fmod) fm_link; 665 vnode_t fm_vp; 666 struct vfs_context fm_context; 667 uint64_t fm_deadline; 668}; 669 670#define NFSRVFMODHASHSZ 128 671#define NFSRVFMODHASH(vp) (((uintptr_t) vp) & nfsrv_fmod_hash) 672extern LIST_HEAD(nfsrv_fmod_hashhead, nfsrv_fmod) *nfsrv_fmod_hashtbl; 673extern u_long nfsrv_fmod_hash; 674extern lck_mtx_t *nfsrv_fmod_mutex; 675extern int nfsrv_fmod_pending, nfsrv_fsevents_enabled; 676#endif 677 678extern int nfsrv_async, nfsrv_export_hash_size, 679 nfsrv_reqcache_size, nfsrv_sock_max_rec_queue_length; 680extern uint32_t nfsrv_gss_context_ttl; 681extern struct nfsstats nfsstats; 682#define NFS_UC_Q_DEBUG 683#ifdef NFS_UC_Q_DEBUG 684extern int nfsrv_uc_use_proxy; 685extern uint32_t nfsrv_uc_queue_limit; 686extern uint32_t nfsrv_uc_queue_max_seen; 687extern volatile uint32_t nfsrv_uc_queue_count; 688#endif 689 690#endif // KERNEL 691 692/* 693 * XXX to allow amd to include nfs.h without nfsproto.h 694 */ 695#ifdef NFS_NPROCS 696/* 697 * Stats structure 698 */ 699struct nfsstats { 700 uint64_t attrcache_hits; 701 uint64_t attrcache_misses; 702 uint64_t lookupcache_hits; 703 uint64_t lookupcache_misses; 704 uint64_t direofcache_hits; 705 uint64_t direofcache_misses; 706 uint64_t biocache_reads; 707 uint64_t read_bios; 708 uint64_t read_physios; 709 uint64_t biocache_writes; 710 uint64_t write_bios; 711 uint64_t write_physios; 712 uint64_t biocache_readlinks; 713 uint64_t readlink_bios; 714 uint64_t biocache_readdirs; 715 uint64_t readdir_bios; 716 uint64_t rpccnt[NFS_NPROCS]; 717 uint64_t rpcretries; 718 uint64_t srvrpccnt[NFS_NPROCS]; 719 uint64_t srvrpc_errs; 720 uint64_t srv_errs; 721 uint64_t rpcrequests; 722 uint64_t rpctimeouts; 723 uint64_t rpcunexpected; 724 uint64_t rpcinvalid; 725 uint64_t srvcache_inproghits; 726 uint64_t srvcache_idemdonehits; 727 uint64_t srvcache_nonidemdonehits; 728 uint64_t srvcache_misses; 729 uint64_t srvvop_writes; 730 uint64_t pageins; 731 uint64_t pageouts; 732}; 733#endif 734 735/* 736 * Flags for nfssvc() system call. 737 */ 738#define NFSSVC_NFSD 0x004 739#define NFSSVC_ADDSOCK 0x008 740#define NFSSVC_EXPORT 0x200 741 742/* 743 * Flags for nfsclnt() system call. 744 */ 745#define NFSCLNT_LOCKDANS 0x200 746#define NFSCLNT_LOCKDNOTIFY 0x400 747 748/* 749 * fs.nfs sysctl(3) identifiers 750 */ 751#define NFS_NFSSTATS 1 /* struct: struct nfsstats */ 752#define NFS_EXPORTSTATS 3 /* gets exported directory stats */ 753#define NFS_USERSTATS 4 /* gets exported directory active user stats */ 754#define NFS_USERCOUNT 5 /* gets current count of active nfs users */ 755#define NFS_MOUNTINFO 6 /* gets information about an NFS mount */ 756 757#ifndef NFS_WDELAYHASHSIZ 758#define NFS_WDELAYHASHSIZ 16 /* and with this */ 759#endif 760 761#ifdef KERNEL 762#include <sys/kernel_types.h> 763#include <kern/thread_call.h> 764#include <sys/kdebug.h> 765 766#define NFS_KERNEL_DEBUG KERNEL_DEBUG 767 768/* kernel debug trace macros */ 769#define FSDBG(A, B, C, D, E) \ 770 NFS_KERNEL_DEBUG((FSDBG_CODE(DBG_FSRW, (A))) | DBG_FUNC_NONE, \ 771 (int)(B), (int)(C), (int)(D), (int)(E), 0) 772#define FSDBG_TOP(A, B, C, D, E) \ 773 NFS_KERNEL_DEBUG((FSDBG_CODE(DBG_FSRW, (A))) | DBG_FUNC_START, \ 774 (int)(B), (int)(C), (int)(D), (int)(E), 0) 775#define FSDBG_BOT(A, B, C, D, E) \ 776 NFS_KERNEL_DEBUG((FSDBG_CODE(DBG_FSRW, (A))) | DBG_FUNC_END, \ 777 (int)(B), (int)(C), (int)(D), (int)(E), 0) 778 779#ifdef MALLOC_DECLARE 780MALLOC_DECLARE(M_NFSREQ); 781MALLOC_DECLARE(M_NFSMNT); 782MALLOC_DECLARE(M_NFSDIROFF); 783MALLOC_DECLARE(M_NFSRVDESC); 784MALLOC_DECLARE(M_NFSD); 785MALLOC_DECLARE(M_NFSBIGFH); 786#endif 787 788struct vnode_attr; struct nameidata; struct dqblk; struct sockaddr_in; /* XXX */ 789struct nfsbuf; 790struct nfs_vattr; 791struct nfs_fsattr; 792struct nfsnode; 793typedef struct nfsnode * nfsnode_t; 794struct nfs_open_owner; 795struct nfs_open_file; 796struct nfs_lock_owner; 797struct nfs_file_lock; 798struct nfsreq; 799struct nfs_rpc_record_state; 800struct nfs_fs_locations; 801struct nfs_location_index; 802struct nfs_socket; 803struct nfs_socket_search; 804struct nfsrv_uc_arg; 805 806/* 807 * The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts. 808 * What should be in this set is open to debate, but I believe that since 809 * I/O system calls on ufs are never interrupted by signals the set should 810 * be minimal. My reasoning is that many current programs that use signals 811 * such as SIGALRM will not expect file I/O system calls to be interrupted 812 * by them and break. 813 */ 814#define NFSINT_SIGMASK (sigmask(SIGINT)|sigmask(SIGTERM)|sigmask(SIGKILL)| \ 815 sigmask(SIGHUP)|sigmask(SIGQUIT)) 816 817extern size_t nfs_mbuf_mhlen, nfs_mbuf_minclsize; 818 819/* 820 * NFS mbuf chain structure used for managing the building/dissection of RPCs 821 */ 822struct nfsm_chain { 823 mbuf_t nmc_mhead; /* mbuf chain head */ 824 mbuf_t nmc_mcur; /* current mbuf */ 825 caddr_t nmc_ptr; /* pointer into current mbuf */ 826 uint32_t nmc_left; /* bytes remaining in current mbuf */ 827 uint32_t nmc_flags; /* flags for this nfsm_chain */ 828}; 829#define NFSM_CHAIN_FLAG_ADD_CLUSTERS 0x1 /* always add mbuf clusters */ 830 831/* 832 * Each retransmission of an RPCSEC_GSS request 833 * has an additional sequence number. 834 */ 835struct gss_seq { 836 SLIST_ENTRY(gss_seq) gss_seqnext; 837 uint32_t gss_seqnum; 838}; 839 840/* 841 * async NFS request callback info 842 */ 843struct nfsreq_cbinfo { 844 void (*rcb_func)(struct nfsreq *); /* async request callback function */ 845 struct nfsbuf *rcb_bp; /* buffer I/O RPC is for */ 846 uint32_t rcb_args[3]; /* additional callback args */ 847}; 848 849/* 850 * Arguments to use if a request needs to call SECINFO to handle a WRONGSEC error 851 * 852 * If only node is set, use the parent file handle and this node's name; otherwise, 853 * use any file handle and name provided. 854 */ 855struct nfsreq_secinfo_args { 856 nfsnode_t rsia_np; /* the node */ 857 const char *rsia_name; /* alternate name string */ 858 u_char *rsia_fh; /* alternate file handle */ 859 uint32_t rsia_namelen; /* length of string */ 860 uint32_t rsia_fhsize; /* length of fh */ 861}; 862#define NFSREQ_SECINFO_SET(SI, NP, FH, FHSIZE, NAME, NAMELEN) \ 863 do { \ 864 (SI)->rsia_np = (NP); \ 865 (SI)->rsia_fh = (FH); \ 866 (SI)->rsia_fhsize = (FHSIZE); \ 867 (SI)->rsia_name = (NAME); \ 868 (SI)->rsia_namelen = (NAMELEN); \ 869 } while (0) 870 871/* 872 * NFS outstanding request list element 873 */ 874struct nfsreq { 875 lck_mtx_t r_mtx; /* NFS request mutex */ 876 TAILQ_ENTRY(nfsreq) r_chain; /* request queue chain */ 877 TAILQ_ENTRY(nfsreq) r_achain; /* mount's async I/O request queue chain */ 878 TAILQ_ENTRY(nfsreq) r_rchain; /* mount's async I/O resend queue chain */ 879 TAILQ_ENTRY(nfsreq) r_cchain; /* mount's cwnd queue chain */ 880 mbuf_t r_mrest; /* request body mbufs */ 881 mbuf_t r_mhead; /* request header mbufs */ 882 struct nfsm_chain r_nmrep; /* reply mbufs */ 883 nfsnode_t r_np; /* NFS node */ 884 struct nfsmount *r_nmp; /* NFS mount point */ 885 uint64_t r_xid; /* RPC transaction ID */ 886 uint32_t r_procnum; /* NFS procedure number */ 887 uint32_t r_mreqlen; /* request length */ 888 int r_flags; /* flags on request, see below */ 889 int r_lflags; /* flags protected by list mutex, see below */ 890 int r_refs; /* # outstanding references */ 891 uint8_t r_delay; /* delay to use for jukebox error */ 892 uint8_t r_retry; /* max retransmission count */ 893 uint8_t r_rexmit; /* current retrans count */ 894 int r_rtt; /* RTT for rpc */ 895 thread_t r_thread; /* thread that did I/O system call */ 896 kauth_cred_t r_cred; /* credential used for request */ 897 time_t r_start; /* request start time */ 898 time_t r_lastmsg; /* time of last tprintf */ 899 time_t r_resendtime; /* time of next jukebox error resend */ 900 struct nfs_gss_clnt_ctx *r_gss_ctx; /* RPCSEC_GSS context */ 901 SLIST_HEAD(, gss_seq) r_gss_seqlist; /* RPCSEC_GSS sequence numbers */ 902 uint32_t r_gss_argoff; /* RPCSEC_GSS offset to args */ 903 uint32_t r_gss_arglen; /* RPCSEC_GSS arg length */ 904 uint32_t r_auth; /* security flavor request sent with */ 905 uint32_t *r_wrongsec; /* wrongsec: other flavors to try */ 906 int r_error; /* request error */ 907 struct nfsreq_cbinfo r_callback; /* callback info */ 908 struct nfsreq_secinfo_args r_secinfo; /* secinfo args */ 909}; 910 911/* 912 * Queue head for nfsreq's 913 */ 914TAILQ_HEAD(nfs_reqqhead, nfsreq); 915extern struct nfs_reqqhead nfs_reqq; 916extern lck_grp_t *nfs_request_grp; 917 918#define R_XID32(x) ((x) & 0xffffffff) 919 920#define NFSREQNOLIST ((struct nfsreq *)0xdeadbeef) /* sentinel value for nfsreq lists */ 921 922/* Flag values for r_flags */ 923#define R_TIMING 0x00000001 /* timing request (in mntp) */ 924#define R_CWND 0x00000002 /* request accounted for in congestion window */ 925#define R_SOFTTERM 0x00000004 /* request terminated (e.g. soft mnt) */ 926#define R_RESTART 0x00000008 /* RPC should be restarted. */ 927#define R_INITTED 0x00000010 /* request has been initialized */ 928#define R_TPRINTFMSG 0x00000020 /* Did a tprintf msg. */ 929#define R_MUSTRESEND 0x00000040 /* Must resend request */ 930#define R_ALLOCATED 0x00000080 /* request was allocated */ 931#define R_SENT 0x00000100 /* request has been sent */ 932#define R_WAITSENT 0x00000200 /* someone is waiting for request to be sent */ 933#define R_RESENDERR 0x00000400 /* resend failed */ 934#define R_JBTPRINTFMSG 0x00000800 /* Did a tprintf msg for jukebox error */ 935#define R_ASYNC 0x00001000 /* async request */ 936#define R_ASYNCWAIT 0x00002000 /* async request now being waited on */ 937#define R_RESENDQ 0x00004000 /* async request currently on resendq */ 938#define R_SENDING 0x00008000 /* request currently being sent */ 939 940#define R_NOINTR 0x20000000 /* request should not be interupted by a signal */ 941#define R_RECOVER 0x40000000 /* a state recovery RPC - during NFSSTA_RECOVER */ 942#define R_SETUP 0x80000000 /* a setup RPC - during (re)connection */ 943#define R_OPTMASK 0xe0000000 /* mask of all RPC option flags */ 944 945/* Flag values for r_lflags */ 946#define RL_BUSY 0x0001 /* Locked. */ 947#define RL_WAITING 0x0002 /* Someone waiting for lock. */ 948#define RL_QUEUED 0x0004 /* request is on the queue */ 949 950extern u_int32_t nfs_xid, nfs_xidwrap; 951extern int nfs_iosize, nfs_allow_async, nfs_statfs_rate_limit; 952extern int nfs_access_cache_timeout, nfs_access_delete, nfs_access_dotzfs, nfs_access_for_getattr; 953extern int nfs_lockd_mounts, nfs_lockd_request_sent, nfs_single_des; 954extern int nfs_tprintf_initial_delay, nfs_tprintf_delay; 955extern int nfsiod_thread_count, nfsiod_thread_max, nfs_max_async_writes; 956extern int nfs_idmap_ctrl, nfs_callback_port; 957extern int nfs_is_mobile; 958extern uint32_t nfs_squishy_flags; 959extern uint32_t nfs_debug_ctl; 960 961/* bits for nfs_idmap_ctrl: */ 962#define NFS_IDMAP_CTRL_USE_IDMAP_SERVICE 0x00000001 /* use the ID mapping service */ 963#define NFS_IDMAP_CTRL_FALLBACK_NO_COMMON_IDS 0x00000002 /* fallback should NOT handle common IDs like "root" and "nobody" */ 964#define NFS_IDMAP_CTRL_FALLBACK_NO_WELLKNOWN_IDS 0x00000004 /* fallback should NOT handle the well known "XXX@" IDs */ 965#define NFS_IDMAP_CTRL_UNKNOWN_IS_99 0x00000008 /* for unknown IDs use uid/gid 99 instead of -2/nobody */ 966#define NFS_IDMAP_CTRL_COMPARE_RESULTS 0x00000010 /* compare results of ID mapping service and fallback */ 967#define NFS_IDMAP_CTRL_LOG_FAILED_MAPPINGS 0x00000020 /* log failed ID mapping attempts */ 968#define NFS_IDMAP_CTRL_LOG_SUCCESSFUL_MAPPINGS 0x00000040 /* log successful ID mapping attempts */ 969 970#define NFSIOD_MAX (MIN(nfsiod_thread_max, NFS_MAXASYNCTHREAD)) 971 972struct nfs_dulookup { 973 int du_flags; /* state of ._ lookup */ 974#define NFS_DULOOKUP_DOIT 0x1 975#define NFS_DULOOKUP_INPROG 0x2 976 struct componentname du_cn; /* ._ name being looked up */ 977 struct nfsreq du_req; /* NFS request for lookup */ 978 char du_smallname[48]; /* buffer for small names */ 979}; 980 981/* 982 * One nfsrv_sock structure is maintained for each socket the 983 * server is servicing requests on. 984 */ 985struct nfsrv_sock { 986 TAILQ_ENTRY(nfsrv_sock) ns_chain; /* List of all nfsrv_sock's */ 987 TAILQ_ENTRY(nfsrv_sock) ns_svcq; /* List of sockets needing servicing */ 988 TAILQ_ENTRY(nfsrv_sock) ns_wgq; /* List of sockets with a pending write gather */ 989 struct nfsrv_uc_arg *ns_ua; /* Opaque pointer to upcall */ 990 lck_rw_t ns_rwlock; /* lock for most fields */ 991 socket_t ns_so; 992 mbuf_t ns_nam; 993 mbuf_t ns_raw; 994 mbuf_t ns_rawend; 995 mbuf_t ns_rec; 996 mbuf_t ns_recend; 997 mbuf_t ns_frag; 998 int ns_flag; 999 int ns_sotype; 1000 int ns_cc; 1001 int ns_reclen; 1002 int ns_reccnt; 1003 u_int32_t ns_sref; 1004 time_t ns_timestamp; /* socket timestamp */ 1005 lck_mtx_t ns_wgmutex; /* mutex for write gather fields */ 1006 u_quad_t ns_wgtime; /* next Write deadline (usec) */ 1007 LIST_HEAD(, nfsrv_descript) ns_tq; /* Write gather lists */ 1008 LIST_HEAD(nfsrv_wg_delayhash, nfsrv_descript) ns_wdelayhashtbl[NFS_WDELAYHASHSIZ]; 1009}; 1010 1011/* Bits for "ns_flag" */ 1012#define SLP_VALID 0x0001 /* nfs sock valid */ 1013#define SLP_DOREC 0x0002 /* nfs sock has received data to process */ 1014#define SLP_NEEDQ 0x0004 /* network socket has data to receive */ 1015#define SLP_DISCONN 0x0008 /* socket needs to be zapped */ 1016#define SLP_GETSTREAM 0x0010 /* currently in nfsrv_getstream() */ 1017#define SLP_LASTFRAG 0x0020 /* on last fragment of RPC record */ 1018#define SLP_DOWRITES 0x0040 /* nfs sock has gathered writes to service */ 1019#define SLP_WORKTODO 0x004e /* mask of all "work to do" flags */ 1020#define SLP_ALLFLAGS 0x007f 1021#define SLP_WAITQ 0x4000 /* nfs sock is on the wait queue */ 1022#define SLP_WORKQ 0x8000 /* nfs sock is on the work queue */ 1023#define SLP_QUEUED 0xc000 /* nfs sock is on a queue */ 1024 1025#define SLPNOLIST ((struct nfsrv_sock *)0xdeadbeef) /* sentinel value for sockets not in the nfsrv_sockwg list */ 1026 1027extern struct nfsrv_sock *nfsrv_udpsock, *nfsrv_udp6sock; 1028 1029/* 1030 * global NFS server socket lists: 1031 * 1032 * nfsrv_socklist - list of all sockets (ns_chain) 1033 * nfsrv_sockwait - sockets w/new data waiting to be worked on (ns_svcq) 1034 * nfsrv_sockwork - sockets being worked on which may have more work to do (ns_svcq) 1035 * nfsrv_sockwg - sockets with pending write gather input (ns_wgq) 1036 */ 1037extern TAILQ_HEAD(nfsrv_sockhead, nfsrv_sock) nfsrv_socklist, nfsrv_deadsocklist, 1038 nfsrv_sockwg, nfsrv_sockwait, nfsrv_sockwork; 1039 1040/* lock groups for nfsrv_sock's */ 1041extern lck_grp_t *nfsrv_slp_rwlock_group; 1042extern lck_grp_t *nfsrv_slp_mutex_group; 1043 1044/* 1045 * One of these structures is allocated for each nfsd. 1046 */ 1047struct nfsd { 1048 TAILQ_ENTRY(nfsd) nfsd_chain; /* List of all nfsd's */ 1049 TAILQ_ENTRY(nfsd) nfsd_queue; /* List of waiting nfsd's */ 1050 int nfsd_flag; /* NFSD_ flags */ 1051 struct nfsrv_sock *nfsd_slp; /* Current socket */ 1052 struct nfsrv_descript *nfsd_nd; /* Associated nfsrv_descript */ 1053}; 1054 1055/* Bits for "nfsd_flag" */ 1056#define NFSD_WAITING 0x01 1057#define NFSD_REQINPROG 0x02 1058 1059/* 1060 * This structure is used by the server for describing each request. 1061 * Some fields are used only when write request gathering is performed. 1062 */ 1063struct nfsrv_descript { 1064 u_quad_t nd_time; /* Write deadline (usec) */ 1065 off_t nd_off; /* Start byte offset */ 1066 off_t nd_eoff; /* and end byte offset */ 1067 LIST_ENTRY(nfsrv_descript) nd_hash; /* Hash list */ 1068 LIST_ENTRY(nfsrv_descript) nd_tq; /* and timer list */ 1069 LIST_HEAD(,nfsrv_descript) nd_coalesce; /* coalesced writes */ 1070 struct nfsm_chain nd_nmreq; /* Request mbuf chain */ 1071 mbuf_t nd_mrep; /* Reply mbuf list (WG) */ 1072 mbuf_t nd_nam; /* and socket addr */ 1073 mbuf_t nd_nam2; /* return socket addr */ 1074 u_int32_t nd_procnum; /* RPC # */ 1075 int nd_stable; /* storage type */ 1076 int nd_vers; /* NFS version */ 1077 int nd_len; /* Length of this write */ 1078 int nd_repstat; /* Reply status */ 1079 u_int32_t nd_retxid; /* Reply xid */ 1080 struct timeval nd_starttime; /* Time RPC initiated */ 1081 struct nfs_filehandle nd_fh; /* File handle */ 1082 uint32_t nd_sec; /* Security flavor */ 1083 struct nfs_gss_svc_ctx *nd_gss_context;/* RPCSEC_GSS context */ 1084 uint32_t nd_gss_seqnum; /* RPCSEC_GSS seq num */ 1085 mbuf_t nd_gss_mb; /* RPCSEC_GSS results mbuf */ 1086 kauth_cred_t nd_cr; /* Credentials */ 1087}; 1088 1089extern TAILQ_HEAD(nfsd_head, nfsd) nfsd_head, nfsd_queue; 1090 1091/* mutex for nfs server */ 1092extern lck_mtx_t *nfsd_mutex; 1093extern int nfsd_thread_count, nfsd_thread_max; 1094 1095/* request list mutex */ 1096extern lck_mtx_t *nfs_request_mutex; 1097extern int nfs_request_timer_on; 1098 1099/* mutex for nfs client globals */ 1100extern lck_mtx_t *nfs_global_mutex; 1101 1102/* NFSv4 callback globals */ 1103extern int nfs4_callback_timer_on; 1104extern in_port_t nfs4_cb_port, nfs4_cb_port6; 1105 1106/* nfs timer call structures */ 1107extern thread_call_t nfs_request_timer_call; 1108extern thread_call_t nfs_buf_timer_call; 1109extern thread_call_t nfs4_callback_timer_call; 1110extern thread_call_t nfsrv_deadsock_timer_call; 1111#if CONFIG_FSE 1112extern thread_call_t nfsrv_fmod_timer_call; 1113#endif 1114 1115__BEGIN_DECLS 1116 1117nfstype vtonfs_type(enum vtype, int); 1118enum vtype nfstov_type(nfstype, int); 1119int vtonfsv2_mode(enum vtype, mode_t); 1120 1121void nfs_mbuf_init(void); 1122 1123void nfs_nhinit(void); 1124void nfs_nhinit_finish(void); 1125u_long nfs_hash(u_char *, int); 1126 1127int nfs4_init_clientid(struct nfsmount *); 1128int nfs4_setclientid(struct nfsmount *); 1129int nfs4_renew(struct nfsmount *, int); 1130void nfs4_renew_timer(void *, void *); 1131void nfs4_mount_callback_setup(struct nfsmount *); 1132void nfs4_mount_callback_shutdown(struct nfsmount *); 1133void nfs4_cb_accept(socket_t, void *, int); 1134void nfs4_cb_rcv(socket_t, void *, int); 1135void nfs4_callback_timer(void *, void *); 1136int nfs4_secinfo_rpc(struct nfsmount *, struct nfsreq_secinfo_args *, kauth_cred_t, uint32_t *, int *); 1137int nfs4_get_fs_locations(struct nfsmount *, nfsnode_t, u_char *, int, const char *, vfs_context_t, struct nfs_fs_locations *); 1138void nfs_fs_locations_cleanup(struct nfs_fs_locations *); 1139void nfs4_default_attrs_for_referral_trigger(nfsnode_t, char *, int, struct nfs_vattr *, fhandle_t *); 1140 1141int nfs_sockaddr_cmp(struct sockaddr *, struct sockaddr *); 1142int nfs_connect(struct nfsmount *, int, int); 1143void nfs_disconnect(struct nfsmount *); 1144void nfs_need_reconnect(struct nfsmount *); 1145void nfs_mount_sock_thread_wake(struct nfsmount *); 1146void nfs_mount_check_dead_timeout(struct nfsmount *); 1147void nfs_rpc_record_state_init(struct nfs_rpc_record_state *); 1148void nfs_rpc_record_state_cleanup(struct nfs_rpc_record_state *); 1149int nfs_rpc_record_read(socket_t, struct nfs_rpc_record_state *, int, int *, mbuf_t *); 1150 1151int nfs_getattr(nfsnode_t, struct nfs_vattr *, vfs_context_t, int); 1152int nfs_getattrcache(nfsnode_t, struct nfs_vattr *, int); 1153int nfs_loadattrcache(nfsnode_t, struct nfs_vattr *, u_int64_t *, int); 1154int nfs_attrcachetimeout(nfsnode_t); 1155 1156int nfs_buf_page_inval(vnode_t vp, off_t offset); 1157int nfs_vinvalbuf(vnode_t, int, vfs_context_t, int); 1158int nfs_vinvalbuf2(vnode_t, int, thread_t, kauth_cred_t, int); 1159int nfs_vinvalbuf_internal(nfsnode_t, int, thread_t, kauth_cred_t, int, int); 1160void nfs_wait_bufs(nfsnode_t); 1161 1162int nfs_request_create(nfsnode_t, mount_t, struct nfsm_chain *, int, thread_t, kauth_cred_t, struct nfsreq **); 1163void nfs_request_destroy(struct nfsreq *); 1164void nfs_request_ref(struct nfsreq *, int); 1165void nfs_request_rele(struct nfsreq *); 1166int nfs_request_add_header(struct nfsreq *); 1167int nfs_request_send(struct nfsreq *, int); 1168void nfs_request_wait(struct nfsreq *); 1169int nfs_request_finish(struct nfsreq *, struct nfsm_chain *, int *); 1170int nfs_request(nfsnode_t, mount_t, struct nfsm_chain *, int, vfs_context_t, struct nfsreq_secinfo_args *, struct nfsm_chain *, u_int64_t *, int *); 1171int nfs_request2(nfsnode_t, mount_t, struct nfsm_chain *, int, thread_t, kauth_cred_t, struct nfsreq_secinfo_args *, int, struct nfsm_chain *, u_int64_t *, int *); 1172int nfs_request_gss(mount_t, struct nfsm_chain *, thread_t, kauth_cred_t, int, struct nfs_gss_clnt_ctx *, struct nfsm_chain *, int *); 1173int nfs_request_async(nfsnode_t, mount_t, struct nfsm_chain *, int, thread_t, kauth_cred_t, struct nfsreq_secinfo_args *, int, struct nfsreq_cbinfo *, struct nfsreq **); 1174int nfs_request_async_finish(struct nfsreq *, struct nfsm_chain *, u_int64_t *, int *); 1175void nfs_request_async_cancel(struct nfsreq *); 1176void nfs_request_timer(void *, void *); 1177int nfs_request_using_gss(struct nfsreq *); 1178void nfs_get_xid(uint64_t *); 1179int nfs_sigintr(struct nfsmount *, struct nfsreq *, thread_t, int); 1180int nfs_noremotehang(thread_t); 1181 1182int nfs_send(struct nfsreq *, int); 1183int nfs_sndlock(struct nfsreq *); 1184void nfs_sndunlock(struct nfsreq *); 1185 1186int nfs_uaddr2sockaddr(const char *, struct sockaddr *); 1187 1188int nfs_aux_request(struct nfsmount *, thread_t, struct sockaddr *, socket_t, int, mbuf_t, uint32_t, int, int, struct nfsm_chain *); 1189int nfs_portmap_lookup(struct nfsmount *, vfs_context_t, struct sockaddr *, socket_t, uint32_t, uint32_t, uint32_t, int); 1190 1191void nfs_location_next(struct nfs_fs_locations *, struct nfs_location_index *); 1192int nfs_location_index_cmp(struct nfs_location_index *, struct nfs_location_index *); 1193void nfs_location_mntfromname(struct nfs_fs_locations *, struct nfs_location_index, char *, int, int); 1194int nfs_socket_create(struct nfsmount *, struct sockaddr *, int, in_port_t, uint32_t, uint32_t, int, struct nfs_socket **); 1195void nfs_socket_destroy(struct nfs_socket *); 1196void nfs_socket_options(struct nfsmount *, struct nfs_socket *); 1197void nfs_connect_upcall(socket_t, void *, int); 1198int nfs_connect_error_class(int); 1199int nfs_connect_search_loop(struct nfsmount *, struct nfs_socket_search *); 1200void nfs_socket_search_update_error(struct nfs_socket_search *, int); 1201void nfs_socket_search_cleanup(struct nfs_socket_search *); 1202void nfs_mount_connect_thread(void *, __unused wait_result_t); 1203 1204int nfs_lookitup(nfsnode_t, char *, int, vfs_context_t, nfsnode_t *); 1205void nfs_dulookup_init(struct nfs_dulookup *, nfsnode_t, const char *, int, vfs_context_t); 1206void nfs_dulookup_start(struct nfs_dulookup *, nfsnode_t, vfs_context_t); 1207void nfs_dulookup_finish(struct nfs_dulookup *, nfsnode_t, vfs_context_t); 1208int nfs_dir_buf_cache_lookup(nfsnode_t, nfsnode_t *, struct componentname *, vfs_context_t, int); 1209int nfs_dir_buf_search(struct nfsbuf *, struct componentname *, fhandle_t *, struct nfs_vattr *, uint64_t *, time_t *, daddr64_t *, int); 1210void nfs_name_cache_purge(nfsnode_t, nfsnode_t, struct componentname *, vfs_context_t); 1211 1212uint32_t nfs4_ace_nfstype_to_vfstype(uint32_t, int *); 1213uint32_t nfs4_ace_vfstype_to_nfstype(uint32_t, int *); 1214uint32_t nfs4_ace_nfsflags_to_vfsflags(uint32_t); 1215uint32_t nfs4_ace_vfsflags_to_nfsflags(uint32_t); 1216uint32_t nfs4_ace_nfsmask_to_vfsrights(uint32_t); 1217uint32_t nfs4_ace_vfsrights_to_nfsmask(uint32_t); 1218int nfs4_id2guid(char *, guid_t *, int); 1219int nfs4_guid2id(guid_t *, char *, int *, int); 1220 1221int nfs_parsefattr(struct nfsm_chain *, int, struct nfs_vattr *); 1222int nfs4_parsefattr(struct nfsm_chain *, struct nfs_fsattr *, struct nfs_vattr *, fhandle_t *, struct dqblk *, struct nfs_fs_locations *); 1223void nfs_vattr_set_supported(uint32_t *, struct vnode_attr *); 1224void nfs_vattr_set_bitmap(struct nfsmount *, uint32_t *, struct vnode_attr *); 1225void nfs3_pathconf_cache(struct nfsmount *, struct nfs_fsattr *); 1226int nfs3_mount_rpc(struct nfsmount *, struct sockaddr *, int, int, char *, vfs_context_t, int, fhandle_t *, struct nfs_sec *); 1227void nfs3_umount_rpc(struct nfsmount *, vfs_context_t, int); 1228int nfs_node_access_slot(nfsnode_t, uid_t, int); 1229void nfs_vnode_notify(nfsnode_t, uint32_t); 1230 1231void nfs_avoid_needless_id_setting_on_create(nfsnode_t, struct vnode_attr *, vfs_context_t); 1232int nfs4_create_rpc(vfs_context_t, nfsnode_t, struct componentname *, struct vnode_attr *, int, char *, nfsnode_t *); 1233int nfs_open_state_set_busy(nfsnode_t, thread_t); 1234void nfs_open_state_clear_busy(nfsnode_t); 1235struct nfs_open_owner *nfs_open_owner_find(struct nfsmount *, kauth_cred_t, int); 1236void nfs_open_owner_destroy(struct nfs_open_owner *); 1237void nfs_open_owner_ref(struct nfs_open_owner *); 1238void nfs_open_owner_rele(struct nfs_open_owner *); 1239int nfs_open_owner_set_busy(struct nfs_open_owner *, thread_t); 1240void nfs_open_owner_clear_busy(struct nfs_open_owner *); 1241void nfs_owner_seqid_increment(struct nfs_open_owner *, struct nfs_lock_owner *, int); 1242int nfs_open_file_find(nfsnode_t, struct nfs_open_owner *, struct nfs_open_file **, uint32_t, uint32_t, int); 1243int nfs_open_file_find_internal(nfsnode_t, struct nfs_open_owner *, struct nfs_open_file **, uint32_t, uint32_t, int); 1244void nfs_open_file_destroy(struct nfs_open_file *); 1245int nfs_open_file_set_busy(struct nfs_open_file *, thread_t); 1246void nfs_open_file_clear_busy(struct nfs_open_file *); 1247void nfs_open_file_add_open(struct nfs_open_file *, uint32_t, uint32_t, int); 1248void nfs_open_file_remove_open_find(struct nfs_open_file *, uint32_t, uint32_t, uint32_t *, uint32_t *, int*); 1249void nfs_open_file_remove_open(struct nfs_open_file *, uint32_t, uint32_t); 1250void nfs_get_stateid(nfsnode_t, thread_t, kauth_cred_t, nfs_stateid *); 1251int nfs4_open(nfsnode_t, struct nfs_open_file *, uint32_t, uint32_t, vfs_context_t); 1252int nfs4_open_delegated(nfsnode_t, struct nfs_open_file *, uint32_t, uint32_t, vfs_context_t); 1253int nfs_close(nfsnode_t, struct nfs_open_file *, uint32_t, uint32_t, vfs_context_t); 1254int nfs_check_for_locks(struct nfs_open_owner *, struct nfs_open_file *); 1255int nfs4_reopen(struct nfs_open_file *, thread_t); 1256int nfs4_open_rpc(struct nfs_open_file *, vfs_context_t, struct componentname *, struct vnode_attr *, vnode_t, vnode_t *, int, int, int); 1257int nfs4_open_rpc_internal(struct nfs_open_file *, vfs_context_t, thread_t, kauth_cred_t, struct componentname *, struct vnode_attr *, vnode_t, vnode_t *, int, int, int); 1258int nfs4_open_confirm_rpc(struct nfsmount *, nfsnode_t, u_char *, int, struct nfs_open_owner *, nfs_stateid *, thread_t, kauth_cred_t, struct nfs_vattr *, uint64_t *); 1259int nfs4_open_reopen_rpc(struct nfs_open_file *, thread_t, kauth_cred_t, struct componentname *, vnode_t, vnode_t *, int, int); 1260int nfs4_open_reclaim_rpc(struct nfs_open_file *, int, int); 1261int nfs4_claim_delegated_open_rpc(struct nfs_open_file *, int, int, int); 1262int nfs4_claim_delegated_state_for_open_file(struct nfs_open_file *, int); 1263int nfs4_claim_delegated_state_for_node(nfsnode_t, int); 1264int nfs4_open_downgrade_rpc(nfsnode_t, struct nfs_open_file *, vfs_context_t); 1265int nfs4_close_rpc(nfsnode_t, struct nfs_open_file *, thread_t, kauth_cred_t, int); 1266void nfs4_delegation_return_enqueue(nfsnode_t); 1267int nfs4_delegation_return(nfsnode_t, int, thread_t, kauth_cred_t); 1268int nfs4_delegreturn_rpc(struct nfsmount *, u_char *, int, struct nfs_stateid *, int, thread_t, kauth_cred_t); 1269void nfs_release_open_state_for_node(nfsnode_t, int); 1270void nfs_revoke_open_state_for_node(nfsnode_t); 1271struct nfs_lock_owner *nfs_lock_owner_find(nfsnode_t, proc_t, int); 1272void nfs_lock_owner_destroy(struct nfs_lock_owner *); 1273void nfs_lock_owner_ref(struct nfs_lock_owner *); 1274void nfs_lock_owner_rele(struct nfs_lock_owner *); 1275int nfs_lock_owner_set_busy(struct nfs_lock_owner *, thread_t); 1276void nfs_lock_owner_clear_busy(struct nfs_lock_owner *); 1277void nfs_lock_owner_insert_held_lock(struct nfs_lock_owner *, struct nfs_file_lock *); 1278struct nfs_file_lock *nfs_file_lock_alloc(struct nfs_lock_owner *); 1279void nfs_file_lock_destroy(struct nfs_file_lock *); 1280int nfs_file_lock_conflict(struct nfs_file_lock *, struct nfs_file_lock *, int *); 1281int nfs4_lock_rpc(nfsnode_t, struct nfs_open_file *, struct nfs_file_lock *, int, int, thread_t, kauth_cred_t); 1282int nfs_unlock_rpc(nfsnode_t, struct nfs_lock_owner *, int, uint64_t, uint64_t, thread_t, kauth_cred_t, int); 1283int nfs_advlock_getlock(nfsnode_t, struct nfs_lock_owner *, struct flock *, uint64_t, uint64_t, vfs_context_t); 1284int nfs_advlock_setlock(nfsnode_t, struct nfs_open_file *, struct nfs_lock_owner *, int, uint64_t, uint64_t, int, short, vfs_context_t); 1285int nfs_advlock_unlock(nfsnode_t, struct nfs_open_file *, struct nfs_lock_owner *, uint64_t, uint64_t, int, vfs_context_t); 1286 1287nfsnode_t nfs4_named_attr_dir_get(nfsnode_t, int, vfs_context_t); 1288int nfs4_named_attr_get(nfsnode_t, struct componentname *, uint32_t, int, vfs_context_t, nfsnode_t *, struct nfs_open_file **); 1289int nfs4_named_attr_remove(nfsnode_t, nfsnode_t, const char *, vfs_context_t); 1290 1291int nfs_mount_state_in_use_start(struct nfsmount *, thread_t); 1292int nfs_mount_state_in_use_end(struct nfsmount *, int); 1293int nfs_mount_state_error_should_restart(int); 1294int nfs_mount_state_error_delegation_lost(int); 1295uint nfs_mount_state_max_restarts(struct nfsmount *); 1296int nfs_mount_state_wait_for_recovery(struct nfsmount *); 1297void nfs_need_recover(struct nfsmount *nmp, int error); 1298void nfs_recover(struct nfsmount *); 1299 1300int nfs_vnop_access(struct vnop_access_args *); 1301int nfs_vnop_remove(struct vnop_remove_args *); 1302int nfs_vnop_read(struct vnop_read_args *); 1303int nfs_vnop_write(struct vnop_write_args *); 1304int nfs_vnop_open(struct vnop_open_args *); 1305int nfs_vnop_close(struct vnop_close_args *); 1306int nfs_vnop_advlock(struct vnop_advlock_args *); 1307int nfs_vnop_mmap(struct vnop_mmap_args *); 1308int nfs_vnop_mnomap(struct vnop_mnomap_args *); 1309 1310int nfs4_vnop_create(struct vnop_create_args *); 1311int nfs4_vnop_mknod(struct vnop_mknod_args *); 1312int nfs4_vnop_close(struct vnop_close_args *); 1313int nfs4_vnop_getattr(struct vnop_getattr_args *); 1314int nfs4_vnop_link(struct vnop_link_args *); 1315int nfs4_vnop_mkdir(struct vnop_mkdir_args *); 1316int nfs4_vnop_rmdir(struct vnop_rmdir_args *); 1317int nfs4_vnop_symlink(struct vnop_symlink_args *); 1318int nfs4_vnop_getxattr(struct vnop_getxattr_args *); 1319int nfs4_vnop_setxattr(struct vnop_setxattr_args *); 1320int nfs4_vnop_removexattr(struct vnop_removexattr_args *); 1321int nfs4_vnop_listxattr(struct vnop_listxattr_args *); 1322#if NAMEDSTREAMS 1323int nfs4_vnop_getnamedstream(struct vnop_getnamedstream_args *); 1324int nfs4_vnop_makenamedstream(struct vnop_makenamedstream_args *); 1325int nfs4_vnop_removenamedstream(struct vnop_removenamedstream_args *); 1326#endif 1327 1328int nfs_read_rpc(nfsnode_t, uio_t, vfs_context_t); 1329int nfs_write_rpc(nfsnode_t, uio_t, vfs_context_t, int *, uint64_t *); 1330int nfs_write_rpc2(nfsnode_t, uio_t, thread_t, kauth_cred_t, int *, uint64_t *); 1331 1332int nfs3_access_rpc(nfsnode_t, u_int32_t *, vfs_context_t); 1333int nfs4_access_rpc(nfsnode_t, u_int32_t *, vfs_context_t); 1334int nfs3_getattr_rpc(nfsnode_t, mount_t, u_char *, size_t, int, vfs_context_t, struct nfs_vattr *, u_int64_t *); 1335int nfs4_getattr_rpc(nfsnode_t, mount_t, u_char *, size_t, int, vfs_context_t, struct nfs_vattr *, u_int64_t *); 1336int nfs3_setattr_rpc(nfsnode_t, struct vnode_attr *, vfs_context_t); 1337int nfs4_setattr_rpc(nfsnode_t, struct vnode_attr *, vfs_context_t); 1338int nfs3_read_rpc_async(nfsnode_t, off_t, size_t, thread_t, kauth_cred_t, struct nfsreq_cbinfo *, struct nfsreq **); 1339int nfs4_read_rpc_async(nfsnode_t, off_t, size_t, thread_t, kauth_cred_t, struct nfsreq_cbinfo *, struct nfsreq **); 1340int nfs3_read_rpc_async_finish(nfsnode_t, struct nfsreq *, uio_t, size_t *, int *); 1341int nfs4_read_rpc_async_finish(nfsnode_t, struct nfsreq *, uio_t, size_t *, int *); 1342int nfs3_write_rpc_async(nfsnode_t, uio_t, size_t, thread_t, kauth_cred_t, int, struct nfsreq_cbinfo *, struct nfsreq **); 1343int nfs4_write_rpc_async(nfsnode_t, uio_t, size_t, thread_t, kauth_cred_t, int, struct nfsreq_cbinfo *, struct nfsreq **); 1344int nfs3_write_rpc_async_finish(nfsnode_t, struct nfsreq *, int *, size_t *, uint64_t *); 1345int nfs4_write_rpc_async_finish(nfsnode_t, struct nfsreq *, int *, size_t *, uint64_t *); 1346int nfs3_readdir_rpc(nfsnode_t, struct nfsbuf *, vfs_context_t); 1347int nfs4_readdir_rpc(nfsnode_t, struct nfsbuf *, vfs_context_t); 1348int nfs3_readlink_rpc(nfsnode_t, char *, uint32_t *, vfs_context_t); 1349int nfs4_readlink_rpc(nfsnode_t, char *, uint32_t *, vfs_context_t); 1350int nfs3_commit_rpc(nfsnode_t, uint64_t, uint64_t, kauth_cred_t, uint64_t); 1351int nfs4_commit_rpc(nfsnode_t, uint64_t, uint64_t, kauth_cred_t, uint64_t); 1352int nfs3_lookup_rpc_async(nfsnode_t, char *, int, vfs_context_t, struct nfsreq **); 1353int nfs4_lookup_rpc_async(nfsnode_t, char *, int, vfs_context_t, struct nfsreq **); 1354int nfs3_lookup_rpc_async_finish(nfsnode_t, char *, int, vfs_context_t, struct nfsreq *, u_int64_t *, fhandle_t *, struct nfs_vattr *); 1355int nfs4_lookup_rpc_async_finish(nfsnode_t, char *, int, vfs_context_t, struct nfsreq *, u_int64_t *, fhandle_t *, struct nfs_vattr *); 1356int nfs3_remove_rpc(nfsnode_t, char *, int, thread_t, kauth_cred_t); 1357int nfs4_remove_rpc(nfsnode_t, char *, int, thread_t, kauth_cred_t); 1358int nfs3_rename_rpc(nfsnode_t, char *, int, nfsnode_t, char *, int, vfs_context_t); 1359int nfs4_rename_rpc(nfsnode_t, char *, int, nfsnode_t, char *, int, vfs_context_t); 1360int nfs3_pathconf_rpc(nfsnode_t, struct nfs_fsattr *, vfs_context_t); 1361int nfs4_pathconf_rpc(nfsnode_t, struct nfs_fsattr *, vfs_context_t); 1362int nfs3_setlock_rpc(nfsnode_t, struct nfs_open_file *, struct nfs_file_lock *, int, int, thread_t, kauth_cred_t); 1363int nfs4_setlock_rpc(nfsnode_t, struct nfs_open_file *, struct nfs_file_lock *, int, int, thread_t, kauth_cred_t); 1364int nfs3_unlock_rpc(nfsnode_t, struct nfs_lock_owner *, int, uint64_t, uint64_t, int, thread_t, kauth_cred_t); 1365int nfs4_unlock_rpc(nfsnode_t, struct nfs_lock_owner *, int, uint64_t, uint64_t, int, thread_t, kauth_cred_t); 1366int nfs3_getlock_rpc(nfsnode_t, struct nfs_lock_owner *, struct flock *, uint64_t, uint64_t, vfs_context_t); 1367int nfs4_getlock_rpc(nfsnode_t, struct nfs_lock_owner *, struct flock *, uint64_t, uint64_t, vfs_context_t); 1368 1369void nfsrv_active_user_list_reclaim(void); 1370void nfsrv_cleancache(void); 1371void nfsrv_cleanup(void); 1372int nfsrv_credcheck(struct nfsrv_descript *, vfs_context_t, struct nfs_export *, 1373 struct nfs_export_options *); 1374void nfsrv_deadsock_timer(void *, void *); 1375int nfsrv_dorec(struct nfsrv_sock *, struct nfsd *, struct nfsrv_descript **); 1376int nfsrv_errmap(struct nfsrv_descript *, int); 1377int nfsrv_export(struct user_nfs_export_args *, vfs_context_t); 1378int nfsrv_fhmatch(struct nfs_filehandle *, struct nfs_filehandle *); 1379int nfsrv_fhtovp(struct nfs_filehandle *, struct nfsrv_descript *, vnode_t *, 1380 struct nfs_export **, struct nfs_export_options **); 1381#if CONFIG_FSE 1382void nfsrv_fmod_timer(void *, void *); 1383#endif 1384int nfsrv_getcache(struct nfsrv_descript *, struct nfsrv_sock *, mbuf_t *); 1385void nfsrv_group_sort(gid_t *, int); 1386void nfsrv_init(void); 1387void nfsrv_initcache(void); 1388int nfsrv_is_initialized(void); 1389int nfsrv_namei(struct nfsrv_descript *, vfs_context_t, struct nameidata *, 1390 struct nfs_filehandle *, vnode_t *, 1391 struct nfs_export **, struct nfs_export_options **); 1392void nfsrv_rcv(socket_t, void *, int); 1393void nfsrv_rcv_locked(socket_t, struct nfsrv_sock *, int); 1394int nfsrv_rephead(struct nfsrv_descript *, struct nfsrv_sock *, struct nfsm_chain *, size_t); 1395int nfsrv_send(struct nfsrv_sock *, mbuf_t, mbuf_t); 1396void nfsrv_updatecache(struct nfsrv_descript *, int, mbuf_t); 1397void nfsrv_update_user_stat(struct nfs_export *, struct nfsrv_descript *, uid_t, u_int, u_int, u_int); 1398int nfsrv_vptofh(struct nfs_export *, int, struct nfs_filehandle *, 1399 vnode_t, vfs_context_t, struct nfs_filehandle *); 1400void nfsrv_wakenfsd(struct nfsrv_sock *); 1401void nfsrv_wg_timer(void *, void *); 1402int nfsrv_writegather(struct nfsrv_descript **, struct nfsrv_sock *, 1403 vfs_context_t, mbuf_t *); 1404 1405int nfsrv_access(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); 1406int nfsrv_commit(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); 1407int nfsrv_create(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); 1408int nfsrv_fsinfo(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); 1409int nfsrv_getattr(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); 1410int nfsrv_link(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); 1411int nfsrv_lookup(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); 1412int nfsrv_mkdir(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); 1413int nfsrv_mknod(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); 1414int nfsrv_noop(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); 1415int nfsrv_null(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); 1416int nfsrv_pathconf(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); 1417int nfsrv_read(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); 1418int nfsrv_readdir(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); 1419int nfsrv_readdirplus(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); 1420int nfsrv_readlink(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); 1421int nfsrv_remove(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); 1422int nfsrv_rename(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); 1423int nfsrv_rmdir(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); 1424int nfsrv_setattr(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); 1425int nfsrv_statfs(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); 1426int nfsrv_symlink(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); 1427int nfsrv_write(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *); 1428 1429void nfs_interval_timer_start(thread_call_t, int); 1430void nfs_up(struct nfsmount *, thread_t, int, const char *); 1431void nfs_down(struct nfsmount *, thread_t, int, int, const char *); 1432int nfs_msg(thread_t, const char *, const char *, int); 1433 1434int nfs_mountroot(void); 1435struct nfs_diskless; 1436int nfs_boot_init(struct nfs_diskless *); 1437int nfs_boot_getfh(struct nfs_diskless *, int, int); 1438 1439#if CONFIG_TRIGGERS 1440resolver_result_t nfs_mirror_mount_trigger_resolve(vnode_t, const struct componentname *, enum path_operation, int, void *, vfs_context_t); 1441resolver_result_t nfs_mirror_mount_trigger_unresolve(vnode_t, int, void *, vfs_context_t); 1442resolver_result_t nfs_mirror_mount_trigger_rearm(vnode_t, int, void *, vfs_context_t); 1443int nfs_mirror_mount_domount(vnode_t, vnode_t, vfs_context_t); 1444void nfs_ephemeral_mount_harvester_start(void); 1445void nfs_ephemeral_mount_harvester(__unused void *arg, __unused wait_result_t wr); 1446#endif 1447 1448/* socket upcall interfaces */ 1449void nfsrv_uc_init(void); 1450void nfsrv_uc_cleanup(void); 1451void nfsrv_uc_addsock(struct nfsrv_sock *, int); 1452void nfsrv_uc_dequeue(struct nfsrv_sock *); 1453 1454/* Debug support */ 1455#define NFS_DEBUG_LEVEL (nfs_debug_ctl & 0xf) 1456#define NFS_DEBUG_FACILITY ((nfs_debug_ctl >> 4) & 0xff) 1457#define NFS_DEBUG_FLAGS ((nfs_debug_ctl >> 12) & 0xff) 1458#define NFS_DEBUG_VALUE ((nfs_debug_ctl >> 20) & 0xfff) 1459#define NFS_FAC_SOCK 0x01 1460#define NFS_FAC_STATE 0x02 1461#define NFS_FAC_NODE 0x04 1462#define NFS_FAC_VNOP 0x08 1463#define NFS_FAC_BIO 0x10 1464#define NFS_FAC_GSS 0x20 1465 1466#define NFS_DBG(fac, lev, fmt, ...) \ 1467 if (__builtin_expect(NFS_DEBUG_LEVEL, 0)) nfs_printf(fac, lev, "%s: %d: " fmt, __func__, __LINE__, ## __VA_ARGS__) 1468 1469void nfs_printf(int, int, const char *, ...) __printflike(3,4); 1470 1471__END_DECLS 1472 1473#endif /* KERNEL */ 1474#endif /* __APPLE_API_PRIVATE */ 1475 1476#endif 1477