bsd/nfs/nfs.h

   1 /*
   2  * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
  23 /*
  24  * Copyright (c) 1989, 1993, 1995
  25  *      The Regents of the University of California.  All rights reserved.
  26  *
  27  * This code is derived from software contributed to Berkeley by
  28  * Rick Macklem at The University of Guelph.
  29  *
  30  * Redistribution and use in source and binary forms, with or without
  31  * modification, are permitted provided that the following conditions
  32  * are met:
  33  * 1. Redistributions of source code must retain the above copyright
  34  *    notice, this list of conditions and the following disclaimer.
  35  * 2. Redistributions in binary form must reproduce the above copyright
  36  *    notice, this list of conditions and the following disclaimer in the
  37  *    documentation and/or other materials provided with the distribution.
  38  * 3. All advertising materials mentioning features or use of this software
  39  *    must display the following acknowledgement:
  40  *      This product includes software developed by the University of
  41  *      California, Berkeley and its contributors.
  42  * 4. Neither the name of the University nor the names of its contributors
  43  *    may be used to endorse or promote products derived from this software
  44  *    without specific prior written permission.
  45  *
  46  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  47  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  48  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  49  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  50  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  51  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  52  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  53  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  54  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  55  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  56  * SUCH DAMAGE.
  57  *
  58  *      @(#)nfs.h       8.4 (Berkeley) 5/1/95
  59  * FreeBSD-Id: nfs.h,v 1.32 1997/10/12 20:25:38 phk Exp $
  60  */
  61
  62 #ifndef _NFS_NFS_H_
  63 #define _NFS_NFS_H_
  64
  65 #include <sys/appleapiopts.h>
  66 #include <sys/cdefs.h>
  67
  68 #ifdef __APPLE_API_PRIVATE
  69 /*
  70  * Tunable constants for nfs
  71  */
  72
  73 #define NFS_MAXIOVEC    34
  74 #define NFS_TICKINTVL   5               /* Desired time for a tick (msec) */
  75 #define NFS_HZ          (hz / nfs_ticks) /* Ticks/sec */
  76 #define NFS_TIMEO       (1 * NFS_HZ)    /* Default timeout = 1 second */
  77 #define NFS_MINTIMEO    (1 * NFS_HZ)    /* Min timeout to use */
  78 #define NFS_MAXTIMEO    (60 * NFS_HZ)   /* Max timeout to backoff to */
  79 #define NFS_MINIDEMTIMEO (5 * NFS_HZ)   /* Min timeout for non-idempotent ops*/
  80 #define NFS_MAXREXMIT   100             /* Stop counting after this many */
  81 #define NFS_MAXWINDOW   1024            /* Max number of outstanding requests */
  82 #define NFS_RETRANS     10              /* Num of retrans for soft mounts */
  83 #define NFS_TRYLATERDEL 15              /* Initial try later delay (sec) */
  84 #define NFS_MAXGRPS     16              /* Max. size of groups list */
  85 #ifndef NFS_MINATTRTIMO
  86 #define NFS_MINATTRTIMO 5               /* Attribute cache timeout in sec */
  87 #endif
  88 #ifndef NFS_MAXATTRTIMO
  89 #define NFS_MAXATTRTIMO 60
  90 #endif
  91 #ifndef NFS_MINDIRATTRTIMO
  92 #define NFS_MINDIRATTRTIMO 5            /* directory attribute cache timeout in sec */
  93 #endif
  94 #ifndef NFS_MAXDIRATTRTIMO
  95 #define NFS_MAXDIRATTRTIMO 60
  96 #endif
  97 #define NFS_WSIZE       16384           /* Def. write data size <= 16K */
  98 #define NFS_RSIZE       16384           /* Def. read data size <= 16K */
  99 #define NFS_DGRAM_WSIZE 8192            /* UDP Def. write data size <= 8K */
 100 #define NFS_DGRAM_RSIZE 8192            /* UDP Def. read data size <= 8K */
 101 #define NFS_READDIRSIZE 8192            /* Def. readdir size */
 102 #define NFS_DEFRAHEAD   4               /* Def. read ahead # blocks */
 103 #define NFS_MAXRAHEAD   16              /* Max. read ahead # blocks */
 104 #define NFS_MAXUIDHASH  64              /* Max. # of hashed uid entries/mp */
 105 #define NFS_MAXASYNCDAEMON      32      /* Max. number async_daemons runnable */
 106 #define NFS_MAXGATHERDELAY      100     /* Max. write gather delay (msec) */
 107 #ifndef NFS_GATHERDELAY
 108 #define NFS_GATHERDELAY         10      /* Default write gather delay (msec) */
 109 #endif
 110 #define NFS_DIRBLKSIZ   4096            /* Must be a multiple of DIRBLKSIZ */
 111 #if defined(KERNEL) && !defined(DIRBLKSIZ)
 112 #define DIRBLKSIZ       512             /* XXX we used to use ufs's DIRBLKSIZ */
 113                                         /* can't be larger than NFS_FABLKSIZE */
 114 #endif
 115
 116 /*
 117  * Oddballs
 118  */
 119 #define NMOD(a)         ((a) % nfs_asyncdaemons)
 120 #define NFS_CMPFH(n, f, s) \
 121         ((n)->n_fhsize == (s) && !bcmp((caddr_t)(n)->n_fhp, (caddr_t)(f), (s)))
 122 #define NFS_ISV3(v)     (VFSTONFS(vnode_mount(v))->nm_flag & NFSMNT_NFSV3)
 123 #define NFS_SRVMAXDATA(n) \
 124                 (((n)->nd_flag & ND_NFSV3) ? (((n)->nd_nam2) ? \
 125                  NFS_MAXDGRAMDATA : NFS_MAXDATA) : NFS_V2MAXDATA)
 126
 127 /*
 128  * XXX
 129  * The NB_INVAFTERWRITE flag should be set to whatever is required by the
 130  * buffer cache code to say "Invalidate the block after it is written back".
 131  */
 132 #ifdef __FreeBSD__
 133 #define NB_INVAFTERWRITE        NB_NOCACHE
 134 #else
 135 #define NB_INVAFTERWRITE        NB_INVAL
 136 #endif
 137
 138 /*
 139  * The IO_METASYNC flag should be implemented for local file systems.
 140  * (Until then, it is nothin at all.)
 141  */
 142 #ifndef IO_METASYNC
 143 #define IO_METASYNC     0
 144 #endif
 145
 146 /*
 147  * Expected allocation sizes for major data structures. If the actual size
 148  * of the structure exceeds these sizes, then malloc() will be allocating
 149  * almost twice the memory required. This is used in nfs_init() to warn
 150  * the sysadmin that the size of a structure should be reduced.
 151  * (These sizes are always a power of 2. If the kernel malloc() changes
 152  *  to one that does not allocate space in powers of 2 size, then this all
 153  *  becomes bunk!).
 154  * Note that some of these structures come out of there own nfs zones.
 155 */
 156 #define NFS_NODEALLOC   512
 157 #define NFS_MNTALLOC    512
 158 #define NFS_SVCALLOC    256
 159 #define NFS_UIDALLOC    128
 160
 161 /*
 162  * Arguments to mount NFS
 163  */
 164 #define NFS_ARGSVERSION 4               /* change when nfs_args changes */
 165 struct nfs_args {
 166         int             version;        /* args structure version number */
 167         struct sockaddr *addr;          /* file server address */
 168         int             addrlen;        /* length of address */
 169         int             sotype;         /* Socket type */
 170         int             proto;          /* and Protocol */
 171         u_char          *fh;            /* File handle to be mounted */
 172         int             fhsize;         /* Size, in bytes, of fh */
 173         int             flags;          /* flags */
 174         int             wsize;          /* write size in bytes */
 175         int             rsize;          /* read size in bytes */
 176         int             readdirsize;    /* readdir size in bytes */
 177         int             timeo;          /* initial timeout in .1 secs */
 178         int             retrans;        /* times to retry send */
 179         int             maxgrouplist;   /* Max. size of group list */
 180         int             readahead;      /* # of blocks to readahead */
 181         int             leaseterm;      /* obsolete: Term (sec) of lease */
 182         int             deadthresh;     /* obsolete: Retrans threshold */
 183         char            *hostname;      /* server's name */
 184         /* NFS_ARGSVERSION 3 ends here */
 185         int             acregmin;       /* reg file min attr cache timeout */
 186         int             acregmax;       /* reg file max attr cache timeout */
 187         int             acdirmin;       /* dir min attr cache timeout */
 188         int             acdirmax;       /* dir max attr cache timeout */
 189 };
 190
 191 struct nfs_args3 {
 192         int             version;        /* args structure version number */
 193         struct sockaddr *addr;          /* file server address */
 194         int             addrlen;        /* length of address */
 195         int             sotype;         /* Socket type */
 196         int             proto;          /* and Protocol */
 197         u_char          *fh;            /* File handle to be mounted */
 198         int             fhsize;         /* Size, in bytes, of fh */
 199         int             flags;          /* flags */
 200         int             wsize;          /* write size in bytes */
 201         int             rsize;          /* read size in bytes */
 202         int             readdirsize;    /* readdir size in bytes */
 203         int             timeo;          /* initial timeout in .1 secs */
 204         int             retrans;        /* times to retry send */
 205         int             maxgrouplist;   /* Max. size of group list */
 206         int             readahead;      /* # of blocks to readahead */
 207         int             leaseterm;      /* obsolete: Term (sec) of lease */
 208         int             deadthresh;     /* obsolete: Retrans threshold */
 209         char            *hostname;      /* server's name */
 210 };
 211
 212 // LP64todo - should this move?
 213 #ifdef KERNEL
 214 /* LP64 version of nfs_args.  all pointers and longs
 215  * grow when we're dealing with a 64-bit process.
 216  * WARNING - keep in sync with nfs_args
 217  */
 218 #if __DARWIN_ALIGN_NATURAL
 219 #pragma options align=natural
 220 #endif
 221
 222 struct user_nfs_args {
 223         int             version;        /* args structure version number */
 224         user_addr_t     addr;           /* file server address */
 225         int             addrlen;        /* length of address */
 226         int             sotype;         /* Socket type */
 227         int             proto;          /* and Protocol */
 228         user_addr_t     fh;             /* File handle to be mounted */
 229         int             fhsize;         /* Size, in bytes, of fh */
 230         int             flags;          /* flags */
 231         int             wsize;          /* write size in bytes */
 232         int             rsize;          /* read size in bytes */
 233         int             readdirsize;    /* readdir size in bytes */
 234         int             timeo;          /* initial timeout in .1 secs */
 235         int             retrans;        /* times to retry send */
 236         int             maxgrouplist;   /* Max. size of group list */
 237         int             readahead;      /* # of blocks to readahead */
 238         int             leaseterm;      /* obsolete: Term (sec) of lease */
 239         int             deadthresh;     /* obsolete: Retrans threshold */
 240         user_addr_t     hostname;       /* server's name */
 241         /* NFS_ARGSVERSION 3 ends here */
 242         int             acregmin;       /* reg file min attr cache timeout */
 243         int             acregmax;       /* reg file max attr cache timeout */
 244         int             acdirmin;       /* dir min attr cache timeout */
 245         int             acdirmax;       /* dir max attr cache timeout */
 246 };
 247 struct user_nfs_args3 {
 248         int             version;        /* args structure version number */
 249         user_addr_t     addr;           /* file server address */
 250         int             addrlen;        /* length of address */
 251         int             sotype;         /* Socket type */
 252         int             proto;          /* and Protocol */
 253         user_addr_t     fh;             /* File handle to be mounted */
 254         int             fhsize;         /* Size, in bytes, of fh */
 255         int             flags;          /* flags */
 256         int             wsize;          /* write size in bytes */
 257         int             rsize;          /* read size in bytes */
 258         int             readdirsize;    /* readdir size in bytes */
 259         int             timeo;          /* initial timeout in .1 secs */
 260         int             retrans;        /* times to retry send */
 261         int             maxgrouplist;   /* Max. size of group list */
 262         int             readahead;      /* # of blocks to readahead */
 263         int             leaseterm;      /* obsolete: Term (sec) of lease */
 264         int             deadthresh;     /* obsolete: Retrans threshold */
 265         user_addr_t     hostname;       /* server's name */
 266 };
 267
 268 #if __DARWIN_ALIGN_NATURAL
 269 #pragma options align=reset
 270 #endif
 271
 272 #endif // KERNEL
 273
 274 /*
 275  * NFS mount option flags
 276  */
 277 #define NFSMNT_SOFT             0x00000001  /* soft mount (hard is default) */
 278 #define NFSMNT_WSIZE            0x00000002  /* set write size */
 279 #define NFSMNT_RSIZE            0x00000004  /* set read size */
 280 #define NFSMNT_TIMEO            0x00000008  /* set initial timeout */
 281 #define NFSMNT_RETRANS          0x00000010  /* set number of request retries */
 282 #define NFSMNT_MAXGRPS          0x00000020  /* set maximum grouplist size */
 283 #define NFSMNT_INT              0x00000040  /* allow interrupts on hard mount */
 284 #define NFSMNT_NOCONN           0x00000080  /* Don't Connect the socket */
 285 #define NFSMNT_NFSV3            0x00000200  /* Use NFS Version 3 protocol */
 286 #define NFSMNT_KERB             0x00000400  /* Use Kerberos authentication */
 287 #define NFSMNT_DUMBTIMR         0x00000800  /* Don't estimate rtt dynamically */
 288 #define NFSMNT_READAHEAD        0x00002000  /* set read ahead */
 289 #define NFSMNT_RESVPORT         0x00008000  /* Allocate a reserved port */
 290 #define NFSMNT_RDIRPLUS         0x00010000  /* Use Readdirplus for V3 */
 291 #define NFSMNT_READDIRSIZE      0x00020000  /* Set readdir size */
 292 #define NFSMNT_NOLOCKS          0x00040000  /* don't support file locking */
 293 #define NFSMNT_ACREGMIN         0x00100000  /* reg min attr cache timeout */
 294 #define NFSMNT_ACREGMAX         0x00200000  /* reg max attr cache timeout */
 295 #define NFSMNT_ACDIRMIN         0x00400000  /* dir min attr cache timeout */
 296 #define NFSMNT_ACDIRMAX         0x00800000  /* dir max attr cache timeout */
 297
 298 /*
 299  * NFS mount state flags (nm_state)
 300  */
 301 #define NFSSTA_LOCKTIMEO        0x00002000  /* experienced a lock req timeout */
 302 #define NFSSTA_MOUNTED          0x00004000  /* completely mounted */
 303 #define NFSSTA_LOCKSWORK        0x00008000  /* lock ops have worked. */
 304 #define NFSSTA_TIMEO            0x00010000  /* experienced a timeout. */
 305 #define NFSSTA_FORCE            0x00020000  /* doing a forced unmount. */
 306 #define NFSSTA_HASWRITEVERF     0x00040000  /* Has write verifier for V3 */
 307 #define NFSSTA_GOTPATHCONF      0x00080000  /* Got the V3 pathconf info */
 308 #define NFSSTA_GOTFSINFO        0x00100000  /* Got the V3 fsinfo */
 309 #define NFSSTA_MNTD             0x00200000  /* Mnt server for mnt point */
 310 #define NFSSTA_SNDLOCK          0x01000000  /* Send socket lock */
 311 #define NFSSTA_WANTSND          0x02000000  /* Want above */
 312 #define NFSSTA_RCVLOCK          0x04000000  /* Rcv socket lock */
 313 #define NFSSTA_WANTRCV          0x08000000  /* Want above */
 314 #define NFSSTA_WAITAUTH         0x10000000  /* Wait for authentication */
 315 #define NFSSTA_HASAUTH          0x20000000  /* Has authenticator */
 316 #define NFSSTA_WANTAUTH         0x40000000  /* Wants an authenticator */
 317 #define NFSSTA_AUTHERR          0x80000000  /* Authentication error */
 318
 319 /*
 320  * NFS mount pathconf info flags (nm_fsinfo.pcflags)
 321  */
 322 #define NFSPCINFO_NOTRUNC               0x01
 323 #define NFSPCINFO_CHOWN_RESTRICTED      0x02
 324 #define NFSPCINFO_CASE_INSENSITIVE      0x04
 325 #define NFSPCINFO_CASE_PRESERVING       0x08
 326
 327 /*
 328  * Structures for the nfssvc(2) syscall. Not that anyone but nfsd and mount_nfs
 329  * should ever try and use it.
 330  */
 331 struct nfsd_args {
 332         int     sock;           /* Socket to serve */
 333         caddr_t name;           /* Client addr for connection based sockets */
 334         int     namelen;        /* Length of name */
 335 };
 336
 337 // LP64todo - should this move?
 338 #ifdef KERNEL
 339 /* LP64 version of nfsd_args.  all pointers and longs
 340  * grow when we're dealing with a 64-bit process.
 341  * WARNING - keep in sync with nfsd_args
 342  */
 343 #if __DARWIN_ALIGN_NATURAL
 344 #pragma options align=natural
 345 #endif
 346
 347 struct user_nfsd_args {
 348         int             sock;           /* Socket to serve */
 349         user_addr_t     name;           /* Client addr for connection based sockets */
 350         int             namelen;        /* Length of name */
 351 };
 352
 353 #if __DARWIN_ALIGN_NATURAL
 354 #pragma options align=reset
 355 #endif
 356
 357 #endif // KERNEL
 358
 359 struct nfsd_srvargs {
 360         struct nfsd     *nsd_nfsd;      /* Pointer to in kernel nfsd struct */
 361         uid_t           nsd_uid;        /* Effective uid mapped to cred */
 362         u_long          nsd_haddr;      /* Ip address of client */
 363         struct ucred    nsd_cr;         /* Cred. uid maps to */
 364         int             nsd_authlen;    /* Length of auth string (ret) */
 365         u_char          *nsd_authstr;   /* Auth string (ret) */
 366         int             nsd_verflen;    /* and the verfier */
 367         u_char          *nsd_verfstr;
 368         struct timeval  nsd_timestamp;  /* timestamp from verifier */
 369         u_long          nsd_ttl;        /* credential ttl (sec) */
 370         NFSKERBKEY_T    nsd_key;        /* Session key */
 371 };
 372
 373 struct nfsd_cargs {
 374         char            *ncd_dirp;      /* Mount dir path */
 375         uid_t           ncd_authuid;    /* Effective uid */
 376         int             ncd_authtype;   /* Type of authenticator */
 377         int             ncd_authlen;    /* Length of authenticator string */
 378         u_char          *ncd_authstr;   /* Authenticator string */
 379         int             ncd_verflen;    /* and the verifier */
 380         u_char          *ncd_verfstr;
 381         NFSKERBKEY_T    ncd_key;        /* Session key */
 382 };
 383
 384 /*
 385  * NFS Server File Handle structures
 386  */
 387
 388 /* NFS export handle identifies which NFS export */
 389 #define NFS_FH_VERSION  0x4e580000              /* 'NX00' */
 390 struct nfs_exphandle {
 391         uint32_t        nxh_version;            /* data structure version */
 392         uint32_t        nxh_fsid;               /* File System Export ID */
 393         uint32_t        nxh_expid;              /* Export ID */
 394         uint16_t        nxh_flags;              /* export handle flags */
 395         uint8_t         nxh_reserved;           /* future use */
 396         uint8_t         nxh_fidlen;             /* length of File ID */
 397 };
 398
 399 /* nxh_flags */
 400 #define NXHF_INVALIDFH          0x0001          /* file handle is invalid */
 401
 402 #define NFS_MAX_FID_SIZE        (NFS_MAX_FH_SIZE - sizeof(struct nfs_exphandle))
 403 #define NFSV2_MAX_FID_SIZE      (NFSV2_MAX_FH_SIZE - sizeof(struct nfs_exphandle))
 404
 405 /* NFS server internal view of fhandle_t */
 406 struct nfs_filehandle {
 407         int                     nfh_len;        /* total length of file handle */
 408         struct nfs_exphandle    nfh_xh;         /* export handle */
 409         unsigned char           nfh_fid[NFS_MAX_FID_SIZE]; /* File ID */
 410 };
 411
 412 /*
 413  * NFS export data structures
 414  */
 415
 416 struct nfs_export_net_args {
 417         uint32_t                nxna_flags;     /* export flags */
 418         struct xucred           nxna_cred;      /* mapped credential for root/all user */
 419         struct sockaddr_storage nxna_addr;      /* net address to which exported */
 420         struct sockaddr_storage nxna_mask;      /* mask for net address */
 421 };
 422
 423 struct nfs_export_args {
 424         uint32_t                nxa_fsid;       /* export FS ID */
 425         uint32_t                nxa_expid;      /* export ID */
 426         char                    *nxa_fspath;    /* export FS path */
 427         char                    *nxa_exppath;   /* export sub-path */
 428         uint32_t                nxa_flags;      /* export arg flags */
 429         uint32_t                nxa_netcount;   /* #entries in ex_nets array */
 430         struct nfs_export_net_args *nxa_nets;   /* array of net args */
 431 };
 432
 433 #ifdef KERNEL
 434 /* LP64 version of export_args */
 435
 436 #if __DARWIN_ALIGN_NATURAL
 437 #pragma options align=natural
 438 #endif
 439
 440 struct user_nfs_export_args {
 441         uint32_t                nxa_fsid;       /* export FS ID */
 442         uint32_t                nxa_expid;      /* export ID */
 443         user_addr_t             nxa_fspath;     /* export FS path */
 444         user_addr_t             nxa_exppath;    /* export sub-path */
 445         uint32_t                nxa_flags;      /* export arg flags */
 446         uint32_t                nxa_netcount;   /* #entries in ex_nets array */
 447         user_addr_t             nxa_nets;       /* array of net args */
 448 };
 449
 450 #if __DARWIN_ALIGN_NATURAL
 451 #pragma options align=reset
 452 #endif
 453
 454 #endif /* KERNEL */
 455
 456 /* nfs export arg flags */
 457 #define NXA_DELETE              0x0001  /* delete the specified export(s) */
 458 #define NXA_ADD                 0x0002  /* add the specified export(s) */
 459 #define NXA_REPLACE             0x0003  /* delete and add the specified export(s) */
 460 #define NXA_DELETE_ALL          0x0004  /* delete all exports */
 461
 462 /* export option flags */
 463 #define NX_READONLY             0x0001  /* exported read-only */
 464 #define NX_DEFAULTEXPORT        0x0002  /* exported to the world */
 465 #define NX_MAPROOT              0x0004  /* map root access to anon credential */
 466 #define NX_MAPALL               0x0008  /* map all access to anon credential */
 467 #define NX_KERB                 0x0010  /* exported with Kerberos uid mapping */
 468 #define NX_32BITCLIENTS         0x0020  /* restrict directory cookies to 32 bits */
 469
 470 #ifdef KERNEL
 471 struct nfs_exportfs;
 472
 473 struct nfs_export_options {
 474         uint32_t                nxo_flags;      /* export options */
 475         kauth_cred_t            nxo_cred;       /* mapped credential */
 476 };
 477
 478 /* Network address lookup element and individual export options */
 479 struct nfs_netopt {
 480         struct radix_node               no_rnodes[2];   /* radix tree glue */
 481         struct nfs_export_options       no_opt;         /* export options */
 482 };
 483
 484 /* Network export information */
 485 /* one of these for each exported directory */
 486 struct nfs_export {
 487         LIST_ENTRY(nfs_export)          nx_next;        /* FS export list */
 488         LIST_ENTRY(nfs_export)          nx_hash;        /* export hash chain */
 489         struct nfs_export               *nx_parent;     /* parent export */
 490         uint32_t                        nx_id;          /* export ID */
 491         uint32_t                        nx_flags;       /* export flags */
 492         struct nfs_exportfs             *nx_fs;         /* exported file system */
 493         char                            *nx_path;       /* exported file system sub-path */
 494         struct nfs_filehandle           nx_fh;          /* export root file handle */
 495         struct nfs_export_options       nx_defopt;      /* default options */
 496         uint32_t                        nx_expcnt;      /* # exports in table */
 497         struct radix_node_head          *nx_rtable[AF_MAX+1]; /* table of exports (netopts) */
 498 };
 499
 500 /* NFS exported file system info */
 501 /* one of these for each exported file system */
 502 struct nfs_exportfs {
 503         LIST_ENTRY(nfs_exportfs)        nxfs_next;      /* exported file system list */
 504         uint32_t                        nxfs_id;        /* exported file system ID */
 505         char                            *nxfs_path;     /* exported file system path */
 506         LIST_HEAD(,nfs_export)          nxfs_exports;   /* list of exports for this file system */
 507 };
 508
 509 extern LIST_HEAD(nfsexpfslist, nfs_exportfs) nfs_exports;
 510 extern lck_rw_t nfs_export_rwlock;  // lock for export data structures
 511 #define NFSEXPHASHVAL(FSID, EXPID)      \
 512         (((FSID) >> 24) ^ ((FSID) >> 16) ^ ((FSID) >> 8) ^ (EXPID))
 513 #define NFSEXPHASH(FSID, EXPID) \
 514         (&nfsexphashtbl[NFSEXPHASHVAL((FSID),(EXPID)) & nfsexphash])
 515 extern LIST_HEAD(nfsexphashhead, nfs_export) *nfsexphashtbl;
 516 extern u_long nfsexphash;
 517
 518 #endif // KERNEL
 519
 520 /*
 521  * XXX to allow amd to include nfs.h without nfsproto.h
 522  */
 523 #ifdef NFS_NPROCS
 524 /*
 525  * Stats structure
 526  */
 527 struct nfsstats {
 528         int     attrcache_hits;
 529         int     attrcache_misses;
 530         int     lookupcache_hits;
 531         int     lookupcache_misses;
 532         int     direofcache_hits;
 533         int     direofcache_misses;
 534         int     biocache_reads;
 535         int     read_bios;
 536         int     read_physios;
 537         int     biocache_writes;
 538         int     write_bios;
 539         int     write_physios;
 540         int     biocache_readlinks;
 541         int     readlink_bios;
 542         int     biocache_readdirs;
 543         int     readdir_bios;
 544         int     rpccnt[NFS_NPROCS];
 545         int     rpcretries;
 546         int     srvrpccnt[NFS_NPROCS];
 547         int     srvrpc_errs;
 548         int     srv_errs;
 549         int     rpcrequests;
 550         int     rpctimeouts;
 551         int     rpcunexpected;
 552         int     rpcinvalid;
 553         int     srvcache_inproghits;
 554         int     srvcache_idemdonehits;
 555         int     srvcache_nonidemdonehits;
 556         int     srvcache_misses;
 557         int     srvvop_writes;
 558         int pageins;
 559         int pageouts;
 560 };
 561 #endif
 562
 563 /*
 564  * Flags for nfssvc() system call.
 565  */
 566 #define NFSSVC_BIOD     0x002
 567 #define NFSSVC_NFSD     0x004
 568 #define NFSSVC_ADDSOCK  0x008
 569 #define NFSSVC_AUTHIN   0x010
 570 #define NFSSVC_GOTAUTH  0x040
 571 #define NFSSVC_AUTHINFAIL 0x080
 572 #define NFSSVC_MNTD     0x100
 573 #define NFSSVC_EXPORT   0x200
 574
 575 /*
 576  * Flags for nfsclnt() system call.
 577  */
 578 #define NFSCLNT_LOCKDANS        0x200
 579 #define NFSCLNT_LOCKDFD         0x400
 580 #define NFSCLNT_LOCKDWAIT       0x800
 581
 582 /*
 583  * fs.nfs sysctl(3) identifiers
 584  */
 585 #define NFS_NFSSTATS    1               /* struct: struct nfsstats */
 586 #define NFS_NFSPRIVPORT 2               /* int: prohibit nfs to resvports */
 587
 588 #define FS_NFS_NAMES { \
 589                        { 0, 0 }, \
 590                        { "nfsstats", CTLTYPE_STRUCT }, \
 591                        { "nfsprivport", CTLTYPE_INT }, \
 592 }
 593
 594 #ifndef NFS_MUIDHASHSIZ
 595 #define NFS_MUIDHASHSIZ 63      /* Tune the size of nfsmount with this */
 596 #endif
 597 #ifndef NFS_WDELAYHASHSIZ
 598 #define NFS_WDELAYHASHSIZ 16    /* and with this */
 599 #endif
 600
 601 /*
 602  * The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts.
 603  * What should be in this set is open to debate, but I believe that since
 604  * I/O system calls on ufs are never interrupted by signals the set should
 605  * be minimal. My reasoning is that many current programs that use signals
 606  * such as SIGALRM will not expect file I/O system calls to be interrupted
 607  * by them and break.
 608  */
 609 #ifdef KERNEL
 610 #include <sys/kernel_types.h>
 611
 612 #ifdef MALLOC_DECLARE
 613 MALLOC_DECLARE(M_NFSREQ);
 614 MALLOC_DECLARE(M_NFSMNT);
 615 MALLOC_DECLARE(M_NFSDIROFF);
 616 MALLOC_DECLARE(M_NFSRVDESC);
 617 MALLOC_DECLARE(M_NFSUID);
 618 MALLOC_DECLARE(M_NFSD);
 619 MALLOC_DECLARE(M_NFSBIGFH);
 620 #endif
 621
 622 struct uio; struct vnode_attr; struct nameidata;        /* XXX */
 623 struct nfsbuf;
 624 struct nfs_vattr;
 625 struct nfsnode;
 626
 627 #define NFSINT_SIGMASK  (sigmask(SIGINT)|sigmask(SIGTERM)|sigmask(SIGKILL)| \
 628                          sigmask(SIGHUP)|sigmask(SIGQUIT))
 629
 630 __private_extern__ int nfs_mbuf_mlen, nfs_mbuf_mhlen,
 631         nfs_mbuf_minclsize, nfs_mbuf_mclbytes;
 632
 633 /*
 634  * Socket errors ignored for connectionless sockets??
 635  * For now, ignore them all
 636  */
 637 #define NFSIGNORE_SOERROR(s, e) \
 638                 ((e) != EINTR && (e) != ERESTART && (e) != EWOULDBLOCK && \
 639                  (e) != EIO && ((s)) != SOCK_STREAM)
 640
 641 /*
 642  * Nfs outstanding request list element
 643  */
 644 struct nfsreq {
 645         TAILQ_ENTRY(nfsreq) r_chain;
 646         mbuf_t          r_mreq;
 647         mbuf_t          r_mrep;
 648         mbuf_t          r_md;
 649         caddr_t         r_dpos;
 650         struct nfsmount *r_nmp;
 651         vnode_t         r_vp;
 652         u_long          r_xid;
 653         int             r_flags;        /* flags on request, see below */
 654         int             r_retry;        /* max retransmission count */
 655         int             r_rexmit;       /* current retrans count */
 656         int             r_timer;        /* tick counter on reply */
 657         u_int32_t       r_procnum;      /* NFS procedure number */
 658         int             r_rtt;          /* RTT for rpc */
 659         proc_t          r_procp;        /* Proc that did I/O system call */
 660         long            r_lastmsg;      /* time of last tprintf */
 661 };
 662
 663 /*
 664  * Queue head for nfsreq's
 665  */
 666 extern TAILQ_HEAD(nfs_reqq, nfsreq) nfs_reqq;
 667
 668 /* Flag values for r_flags */
 669 #define R_TIMING        0x0001          /* timing request (in mntp) */
 670 #define R_SENT          0x0002          /* request has been sent */
 671 #define R_SOFTTERM      0x0004          /* soft mnt, too many retries */
 672 #define R_INTR          0x0008          /* intr mnt, signal pending */
 673 #define R_SOCKERR       0x0010          /* Fatal error on socket */
 674 #define R_TPRINTFMSG    0x0020          /* Did a tprintf msg. */
 675 #define R_MUSTRESEND    0x0040          /* Must resend request */
 676 #define R_BUSY          0x0100          /* Locked. */
 677 #define R_WAITING       0x0200          /* Someone waiting for lock. */
 678 #define R_RESENDERR     0x0400          /* resend failed. */
 679
 680 /*
 681  * A list of nfssvc_sock structures is maintained with all the sockets
 682  * that require service by the nfsd.
 683  * The nfsuid structs hang off of the nfssvc_sock structs in both lru
 684  * and uid hash lists.
 685  */
 686 #ifndef NFS_UIDHASHSIZ
 687 #define NFS_UIDHASHSIZ  13      /* Tune the size of nfssvc_sock with this */
 688 #endif
 689 #define NUIDHASH(sock, uid) \
 690         (&(sock)->ns_uidhashtbl[(uid) % NFS_UIDHASHSIZ])
 691 #define NWDELAYHASH(sock, f) \
 692         (&(sock)->ns_wdelayhashtbl[(*((u_long *)(f))) % NFS_WDELAYHASHSIZ])
 693 #define NMUIDHASH(nmp, uid) \
 694         (&(nmp)->nm_uidhashtbl[(uid) % NFS_MUIDHASHSIZ])
 695 #define NFSNOHASH(fhsum) \
 696         (&nfsnodehashtbl[(fhsum) & nfsnodehash])
 697
 698 /*
 699  * Network address hash list element
 700  */
 701 union nethostaddr {
 702         u_long had_inetaddr;
 703         mbuf_t had_nam;
 704 };
 705
 706 struct nfsuid {
 707         TAILQ_ENTRY(nfsuid) nu_lru;     /* LRU chain */
 708         LIST_ENTRY(nfsuid) nu_hash;     /* Hash list */
 709         int             nu_flag;        /* Flags */
 710         union nethostaddr nu_haddr;     /* Host addr. for dgram sockets */
 711         kauth_cred_t    nu_cr;          /* Cred uid mapped to */
 712         int             nu_expire;      /* Expiry time (sec) */
 713         struct timeval  nu_timestamp;   /* Kerb. timestamp */
 714         u_long          nu_nickname;    /* Nickname on server */
 715         NFSKERBKEY_T    nu_key;         /* and session key */
 716 };
 717
 718 #define nu_inetaddr     nu_haddr.had_inetaddr
 719 #define nu_nam          nu_haddr.had_nam
 720 /* Bits for nu_flag */
 721 #define NU_INETADDR     0x1
 722 #define NU_NAM          0x2
 723 #define NU_NETFAM(u)    (((u)->nu_flag & NU_INETADDR) ? AF_INET : AF_ISO)
 724
 725 #ifdef notyet
 726 /* XXX CSM 12/2/97 When/if we merge queue.h */
 727 struct nfsrv_rec {
 728         STAILQ_ENTRY(nfsrv_rec) nr_link;
 729         struct sockaddr *nr_address;
 730         mbuf_t          nr_packet;
 731 };
 732 #endif
 733
 734 struct nfssvc_sock {
 735         TAILQ_ENTRY(nfssvc_sock) ns_chain;      /* List of all nfssvc_sock's */
 736         lck_rw_t        ns_rwlock;              /* lock for most fields */
 737         socket_t        ns_so;
 738         mbuf_t          ns_nam;
 739         mbuf_t          ns_raw;
 740         mbuf_t          ns_rawend;
 741         mbuf_t          ns_rec;
 742         mbuf_t          ns_recend;
 743         mbuf_t          ns_frag;
 744         int             ns_flag;
 745         int             ns_sotype;
 746         int             ns_cc;
 747         int             ns_reclen;
 748         int             ns_numuids;
 749         u_long          ns_sref;
 750         time_t          ns_timestamp;           /* socket timestamp */
 751         lck_mtx_t       ns_wgmutex;             /* mutex for write gather fields */
 752         u_quad_t        ns_wgtime;              /* next Write deadline (usec) */
 753         LIST_HEAD(, nfsrv_descript) ns_tq;      /* Write gather lists */
 754         LIST_HEAD(nfsrvw_delayhash, nfsrv_descript) ns_wdelayhashtbl[NFS_WDELAYHASHSIZ];
 755         TAILQ_HEAD(, nfsuid) ns_uidlruhead;
 756         LIST_HEAD(, nfsuid) ns_uidhashtbl[NFS_UIDHASHSIZ];
 757 };
 758
 759 /* Bits for "ns_flag" */
 760 #define SLP_VALID       0x01 /* nfs sock valid */
 761 #define SLP_DOREC       0x02 /* nfs sock has received data to process */
 762 #define SLP_NEEDQ       0x04 /* network socket has data to receive */
 763 #define SLP_DISCONN     0x08 /* socket needs to be zapped */
 764 #define SLP_GETSTREAM   0x10 /* currently in nfsrv_getstream() */
 765 #define SLP_LASTFRAG    0x20 /* on last fragment of RPC record */
 766 #define SLP_ALLFLAGS    0xff
 767
 768 extern TAILQ_HEAD(nfssvc_sockhead, nfssvc_sock) nfssvc_sockhead, nfssvc_deadsockhead;
 769
 770 /* locks for nfssvc_sock's */
 771 extern lck_grp_attr_t *nfs_slp_group_attr;
 772 extern lck_attr_t *nfs_slp_lock_attr;
 773 extern lck_grp_t *nfs_slp_rwlock_group;
 774 extern lck_grp_t *nfs_slp_mutex_group;
 775
 776 /*
 777  * One of these structures is allocated for each nfsd.
 778  */
 779 struct nfsd {
 780         TAILQ_ENTRY(nfsd) nfsd_chain;   /* List of all nfsd's */
 781         int             nfsd_flag;      /* NFSD_ flags */
 782         struct nfssvc_sock *nfsd_slp;   /* Current socket */
 783         int             nfsd_authlen;   /* Authenticator len */
 784         u_char          nfsd_authstr[RPCAUTH_MAXSIZ]; /* Authenticator data */
 785         int             nfsd_verflen;   /* and the Verifier */
 786         u_char          nfsd_verfstr[RPCVERF_MAXSIZ];
 787         proc_t          nfsd_procp;     /* Proc ptr */
 788         struct nfsrv_descript *nfsd_nd; /* Associated nfsrv_descript */
 789 };
 790
 791 /* Bits for "nfsd_flag" */
 792 #define NFSD_WAITING    0x01
 793 #define NFSD_REQINPROG  0x02
 794 #define NFSD_NEEDAUTH   0x04
 795 #define NFSD_AUTHFAIL   0x08
 796
 797 /*
 798  * This structure is used by the server for describing each request.
 799  * Some fields are used only when write request gathering is performed.
 800  */
 801 struct nfsrv_descript {
 802         u_quad_t                nd_time;        /* Write deadline (usec) */
 803         off_t                   nd_off;         /* Start byte offset */
 804         off_t                   nd_eoff;        /* and end byte offset */
 805         LIST_ENTRY(nfsrv_descript) nd_hash;     /* Hash list */
 806         LIST_ENTRY(nfsrv_descript) nd_tq;               /* and timer list */
 807         LIST_HEAD(,nfsrv_descript) nd_coalesce; /* coalesced writes */
 808         mbuf_t                  nd_mrep;        /* Request mbuf list */
 809         mbuf_t                  nd_md;          /* Current dissect mbuf */
 810         mbuf_t                  nd_mreq;        /* Reply mbuf list */
 811         mbuf_t                  nd_nam;         /* and socket addr */
 812         mbuf_t                  nd_nam2;        /* return socket addr */
 813         caddr_t                 nd_dpos;        /* Current dissect pos */
 814         u_int32_t               nd_procnum;     /* RPC # */
 815         int                     nd_stable;      /* storage type */
 816         int                     nd_flag;        /* nd_flag */
 817         int                     nd_len;         /* Length of this write */
 818         int                     nd_repstat;     /* Reply status */
 819         u_long                  nd_retxid;      /* Reply xid */
 820         struct timeval          nd_starttime;   /* Time RPC initiated */
 821         struct nfs_filehandle   nd_fh;          /* File handle */
 822         kauth_cred_t            nd_cr;          /* Credentials */
 823 };
 824
 825 /* Bits for "nd_flag" */
 826 #define ND_NFSV3        0x08
 827 #define ND_KERBNICK     0x20
 828 #define ND_KERBFULL     0x40
 829 #define ND_KERBAUTH     (ND_KERBNICK | ND_KERBFULL)
 830
 831 extern TAILQ_HEAD(nfsd_head, nfsd) nfsd_head;
 832 extern int nfsd_head_flag;
 833 #define NFSD_CHECKSLP   0x01
 834
 835 /*
 836  * These macros compare nfsrv_descript structures.
 837  */
 838 #define NFSW_CONTIG(o, n) \
 839                 (((o)->nd_eoff >= (n)->nd_off) && \
 840                  ((o)->nd_fh.nfh_len == (n)->nd_fh.nfh_len) && \
 841                  !bcmp((caddr_t)&(o)->nd_fh, (caddr_t)&(n)->nd_fh, (o)->nd_fh.nfh_len))
 842
 843 #define NFSW_SAMECRED(o, n) \
 844         (((o)->nd_flag & ND_KERBAUTH) == ((n)->nd_flag & ND_KERBAUTH) && \
 845          !bcmp((caddr_t)(o)->nd_cr, (caddr_t)(n)->nd_cr, \
 846                 sizeof (struct ucred)))
 847
 848 /* mutex for nfs server */
 849 extern lck_grp_t * nfsd_lck_grp;
 850 extern lck_grp_attr_t * nfsd_lck_grp_attr;
 851 extern lck_attr_t * nfsd_lck_attr;
 852 extern lck_mtx_t *nfsd_mutex;
 853
 854 extern int nfs_numnfsd, nfsd_waiting;
 855
 856 /*
 857  * Defines for WebNFS
 858  */
 859
 860 #define WEBNFS_ESC_CHAR         '%'
 861 #define WEBNFS_SPECCHAR_START   0x80
 862
 863 #define WEBNFS_NATIVE_CHAR      0x80
 864 /*
 865  * ..
 866  * Possibly more here in the future.
 867  */
 868
 869 /*
 870  * Macro for converting escape characters in WebNFS pathnames.
 871  * Should really be in libkern.
 872  */
 873 #define ISHEX(c) \
 874         ((((c) >= 'a') && ((c) <= 'f')) || \
 875          (((c) >= 'A') && ((c) <= 'F')) || \
 876          (((c) >= '0') && ((c) <= '9')))
 877 #define HEXTOC(c) \
 878         ((c) >= 'a' ? ((c) - ('a' - 10)) : \
 879             ((c) >= 'A' ? ((c) - ('A' - 10)) : ((c) - '0')))
 880 #define HEXSTRTOI(p) \
 881         ((HEXTOC(p[0]) << 4) + HEXTOC(p[1]))
 882
 883 __BEGIN_DECLS
 884
 885 int     nfs_init(struct vfsconf *vfsp);
 886 void    nfs_mbuf_init(void);
 887 int     nfs_reply(struct nfsreq *);
 888 int     nfs_getreq(struct nfsrv_descript *,struct nfsd *,int);
 889 int     nfs_send(socket_t, mbuf_t, mbuf_t, struct nfsreq *);
 890 int     nfs_rephead(int, struct nfsrv_descript *, struct nfssvc_sock *,
 891                          int, mbuf_t *, mbuf_t *, caddr_t *);
 892 int     nfs_sndlock(struct nfsreq *);
 893 void    nfs_sndunlock(struct nfsreq *);
 894 int     nfs_vinvalbuf(vnode_t, int, struct ucred *, proc_t, int);
 895 int     nfs_buf_page_inval(vnode_t vp, off_t offset);
 896 int     nfs_readrpc(vnode_t, struct uio *, struct ucred *, proc_t);
 897 int     nfs_writerpc(vnode_t, struct uio *, struct ucred *, proc_t, int *, uint64_t *);
 898 int     nfs_readdirrpc(vnode_t, struct uio *, struct ucred *, proc_t);
 899 int     nfs_readdirplusrpc(vnode_t, struct uio *, struct ucred *, proc_t);
 900 int     nfs_asyncio(struct nfsbuf *, struct ucred *);
 901 int     nfs_doio(struct nfsbuf *, struct ucred *, proc_t);
 902 int     nfs_readlinkrpc(vnode_t, struct uio *, struct ucred *, proc_t);
 903 int     nfs_sigintr(struct nfsmount *, struct nfsreq *, proc_t);
 904 int     nfsm_disct(mbuf_t *, caddr_t *, int, int, caddr_t *);
 905 void    nfsm_srvfattr(struct nfsrv_descript *, struct vnode_attr *,
 906                            struct nfs_fattr *);
 907 void    nfsm_srvwcc(struct nfsrv_descript *, int, struct vnode_attr *, int,
 908                          struct vnode_attr *, mbuf_t *, char **);
 909 void    nfsm_srvpostopattr(struct nfsrv_descript *, int, struct vnode_attr *,
 910                                 mbuf_t *, char **);
 911 int     netaddr_match(int, union nethostaddr *, mbuf_t);
 912 int     nfs_request(vnode_t, mount_t, mbuf_t, int, proc_t,
 913                          struct ucred *, mbuf_t *, mbuf_t *,
 914                          caddr_t *, u_int64_t *);
 915 int     nfs_parsefattr(mbuf_t *, caddr_t *, int, struct nfs_vattr *);
 916 int     nfs_loadattrcache(struct nfsnode *, struct nfs_vattr *, u_int64_t *, int);
 917 int     nfsm_path_mbuftond(mbuf_t *, caddr_t *, int, int, int *, struct nameidata *);
 918 int     nfs_namei(struct nfsrv_descript *, struct vfs_context *, struct nameidata *,
 919                         struct nfs_filehandle *, mbuf_t, int, vnode_t *,
 920                         struct nfs_export **, struct nfs_export_options **);
 921 void    nfsm_adj(mbuf_t, int, int);
 922 int     nfsm_mbuftouio(mbuf_t *, struct uio *, int, caddr_t *);
 923 void    nfsrv_initcache(void);
 924 int     nfs_getauth(struct nfsmount *, struct nfsreq *, struct ucred *,
 925                          char **, int *, char *, int *, NFSKERBKEY_T);
 926 int     nfs_getnickauth(struct nfsmount *, struct ucred *, char **,
 927                              int *, char *, int);
 928 int     nfs_savenickauth(struct nfsmount *, struct ucred *, int,
 929                               NFSKERBKEY_T, mbuf_t *, char **,
 930                               mbuf_t);
 931 int     nfs_adv(mbuf_t *, caddr_t *, int, int);
 932 void    nfs_nhinit(void);
 933 void    nfs_timer_funnel(void*);
 934 void    nfs_timer(void*);
 935 u_long  nfs_hash(u_char *, int);
 936 int     nfsrv_dorec(struct nfssvc_sock *, struct nfsd *,
 937                          struct nfsrv_descript **);
 938 int     nfsrv_getcache(struct nfsrv_descript *, struct nfssvc_sock *,
 939                             mbuf_t *);
 940 void    nfsrv_updatecache(struct nfsrv_descript *, int, mbuf_t);
 941 void    nfsrv_cleancache(void);
 942 int     nfs_bind_resv_thread_wake(void);
 943 int     nfs_connect(struct nfsmount *, struct nfsreq *);
 944 void    nfs_disconnect(struct nfsmount *);
 945 int     nfs_getattr_no_vnode(mount_t,u_char *,int,struct ucred *,proc_t,struct nfs_vattr *,u_int64_t *);
 946 int     nfs_getattr(vnode_t vp, struct nfs_vattr *nvap, struct ucred *cred, proc_t p);
 947 int     nfs_getattrcache(vnode_t, struct nfs_vattr *);
 948 int     nfs_attrcachetimeout(vnode_t);
 949 int     nfsm_strtmbuf(mbuf_t *, char **, char *, long);
 950 int     nfs_bioread(vnode_t, struct uio *, int, struct ucred *, proc_t);
 951 int     nfsm_uiotombuf(struct uio *, mbuf_t *, int, caddr_t *);
 952 void    nfsrv_init(int);
 953 int     nfs_commit(vnode_t vp, u_quad_t offset, u_int32_t count,
 954                         struct ucred *cred, proc_t procp);
 955 int     nfs_flushcommits(vnode_t, proc_t, int);
 956 int     nfs_flush(vnode_t,int,struct ucred *,proc_t,int);
 957 int     nfsrv_errmap(struct nfsrv_descript *, int);
 958 void    nfsrvw_sort(gid_t *, int);
 959 void    nfsrv_setcred(struct ucred *, struct ucred *);
 960 int     nfs_buf_write(struct nfsbuf *);
 961 void    nfsrv_wakenfsd(struct nfssvc_sock *slp);
 962 int     nfsrv_writegather(struct nfsrv_descript **, struct nfssvc_sock *,
 963                                proc_t, mbuf_t *);
 964 int     nfs_fsinfo(struct nfsmount *, vnode_t, struct ucred *, proc_t p);
 965 int     nfs_pathconfrpc(vnode_t, struct nfsv3_pathconf *, kauth_cred_t, proc_t);
 966 void    nfs_pathconf_cache(struct nfsmount *, struct nfsv3_pathconf *);
 967
 968 int     nfsrv3_access(struct nfsrv_descript *nfsd,
 969                            struct nfssvc_sock *slp,
 970                            proc_t procp, mbuf_t *mrq);
 971 int     nfsrv_commit(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
 972                           proc_t procp, mbuf_t *mrq);
 973 int     nfsrv_create(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
 974                           proc_t procp, mbuf_t *mrq);
 975 int     nfsrv_credcheck(struct nfsrv_descript *, struct nfs_export *,
 976                         struct nfs_export_options *);
 977 int     nfsrv_export(struct user_nfs_export_args *, struct vfs_context *);
 978 int     nfsrv_fhmatch(struct nfs_filehandle *fh1, struct nfs_filehandle *fh2);
 979 int     nfsrv_fhtovp(struct nfs_filehandle *, mbuf_t, int, vnode_t *,
 980                         struct nfs_export **, struct nfs_export_options **);
 981 int     nfs_ispublicfh(struct nfs_filehandle *);
 982 int     nfsrv_fsinfo(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
 983                           proc_t procp, mbuf_t *mrq);
 984 int     nfsrv_getattr(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
 985                            proc_t procp, mbuf_t *mrq);
 986 int     nfsrv_link(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
 987                         proc_t procp, mbuf_t *mrq);
 988 int     nfsrv_lookup(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
 989                           proc_t procp, mbuf_t *mrq);
 990 int     nfsrv_mkdir(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
 991                          proc_t procp, mbuf_t *mrq);
 992 int     nfsrv_mknod(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
 993                          proc_t procp, mbuf_t *mrq);
 994 int     nfsrv_noop(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
 995                         proc_t procp, mbuf_t *mrq);
 996 int     nfsrv_null(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
 997                         proc_t procp, mbuf_t *mrq);
 998 int     nfsrv_pathconf(struct nfsrv_descript *nfsd,
 999                             struct nfssvc_sock *slp, proc_t procp,
1000                             mbuf_t *mrq);
1001 void    nfsrv_rcv(socket_t, caddr_t arg, int waitflag);
1002 void    nfsrv_rcv_locked(socket_t, struct nfssvc_sock *slp, int waitflag);
1003 int     nfsrv_read(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
1004                         proc_t procp, mbuf_t *mrq);
1005 int     nfsrv_readdir(struct nfsrv_descript *nfsd,
1006                            struct nfssvc_sock *slp,
1007                            proc_t procp, mbuf_t *mrq);
1008 int     nfsrv_readdirplus(struct nfsrv_descript *nfsd,
1009                                struct nfssvc_sock *slp, proc_t procp,
1010                                mbuf_t *mrq);
1011 int     nfsrv_readlink(struct nfsrv_descript *nfsd,
1012                             struct nfssvc_sock *slp, proc_t procp,
1013                             mbuf_t *mrq);
1014 int     nfsrv_remove(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
1015                           proc_t procp, mbuf_t *mrq);
1016 int     nfsrv_rename(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
1017                           proc_t procp, mbuf_t *mrq);
1018 int     nfsrv_rmdir(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
1019                          proc_t procp, mbuf_t *mrq);
1020 int     nfsrv_setattr(struct nfsrv_descript *nfsd,
1021                            struct nfssvc_sock *slp,
1022                            proc_t procp, mbuf_t *mrq);
1023 void    nfsrv_slpderef(struct nfssvc_sock *slp);
1024 void    nfsrv_slpfree(struct nfssvc_sock *slp);
1025 int     nfsrv_statfs(struct nfsrv_descript *nfsd,
1026                           struct nfssvc_sock *slp,
1027                           proc_t procp, mbuf_t *mrq);
1028 int     nfsrv_symlink(struct nfsrv_descript *nfsd,
1029                            struct nfssvc_sock *slp,
1030                            proc_t procp, mbuf_t *mrq);
1031 int     nfsrv_write(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
1032                          proc_t procp, mbuf_t *mrq);
1033 int     nfsrv_vptofh( struct nfs_export *, int, struct nfs_filehandle *,
1034                         vnode_t, struct vfs_context *, struct nfs_filehandle *);
1035
1036 void    nfs_up(struct nfsmount *, proc_t, int, const char *);
1037 void    nfs_down(struct nfsmount *, proc_t, int, int, const char *);
1038
1039 struct nfs_diskless;
1040 int     nfs_boot_init(struct nfs_diskless *nd, proc_t procp);
1041 int     nfs_boot_getfh(struct nfs_diskless *nd, proc_t procp, int v3, int sotype);
1042
1043 __END_DECLS
1044
1045 #endif  /* KERNEL */
1046 #endif /* __APPLE_API_PRIVATE */
1047
1048 #endif