bsd/nfs/nfs.h

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