bsd/nfs/nfs.h

   1 /*
   2  * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28 /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
  29 /*
  30  * Copyright (c) 1989, 1993, 1995
  31  *      The Regents of the University of California.  All rights reserved.
  32  *
  33  * This code is derived from software contributed to Berkeley by
  34  * Rick Macklem at The University of Guelph.
  35  *
  36  * Redistribution and use in source and binary forms, with or without
  37  * modification, are permitted provided that the following conditions
  38  * are met:
  39  * 1. Redistributions of source code must retain the above copyright
  40  *    notice, this list of conditions and the following disclaimer.
  41  * 2. Redistributions in binary form must reproduce the above copyright
  42  *    notice, this list of conditions and the following disclaimer in the
  43  *    documentation and/or other materials provided with the distribution.
  44  * 3. All advertising materials mentioning features or use of this software
  45  *    must display the following acknowledgement:
  46  *      This product includes software developed by the University of
  47  *      California, Berkeley and its contributors.
  48  * 4. Neither the name of the University nor the names of its contributors
  49  *    may be used to endorse or promote products derived from this software
  50  *    without specific prior written permission.
  51  *
  52  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  53  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  54  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  55  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  56  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  57  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  58  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  59  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  60  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  61  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  62  * SUCH DAMAGE.
  63  *
  64  *      @(#)nfs.h       8.4 (Berkeley) 5/1/95
  65  * FreeBSD-Id: nfs.h,v 1.32 1997/10/12 20:25:38 phk Exp $
  66  */
  67
  68 #ifndef _NFS_NFS_H_
  69 #define _NFS_NFS_H_
  70
  71 #include <sys/appleapiopts.h>
  72 #include <sys/cdefs.h>
  73
  74 #ifdef __APPLE_API_PRIVATE
  75 /*
  76  * Tunable constants for nfs
  77  */
  78
  79 #define NFS_MAXIOVEC    34
  80 #define NFS_TICKINTVL   5               /* Desired time for a tick (msec) */
  81 #define NFS_HZ          (hz / nfs_ticks) /* Ticks/sec */
  82 #define NFS_TIMEO       (1 * NFS_HZ)    /* Default timeout = 1 second */
  83 #define NFS_MINTIMEO    (1 * NFS_HZ)    /* Min timeout to use */
  84 #define NFS_MAXTIMEO    (60 * NFS_HZ)   /* Max timeout to backoff to */
  85 #define NFS_MINIDEMTIMEO (5 * NFS_HZ)   /* Min timeout for non-idempotent ops*/
  86 #define NFS_MAXREXMIT   100             /* Stop counting after this many */
  87 #define NFS_MAXWINDOW   1024            /* Max number of outstanding requests */
  88 #define NFS_RETRANS     10              /* Num of retrans for soft mounts */
  89 #define NFS_TRYLATERDEL 15              /* Initial try later delay (sec) */
  90 #define NFS_MAXGRPS     16              /* Max. size of groups list */
  91 #ifndef NFS_MINATTRTIMO
  92 #define NFS_MINATTRTIMO 5               /* Attribute cache timeout in sec */
  93 #endif
  94 #ifndef NFS_MAXATTRTIMO
  95 #define NFS_MAXATTRTIMO 60
  96 #endif
  97 #ifndef NFS_MINDIRATTRTIMO
  98 #define NFS_MINDIRATTRTIMO 5            /* directory attribute cache timeout in sec */
  99 #endif
 100 #ifndef NFS_MAXDIRATTRTIMO
 101 #define NFS_MAXDIRATTRTIMO 60
 102 #endif
 103 #define NFS_IOSIZE      (256 * 1024)    /* suggested I/O size */
 104 #define NFS_WSIZE       16384           /* Def. write data size <= 16K */
 105 #define NFS_RSIZE       16384           /* Def. read data size <= 16K */
 106 #define NFS_DGRAM_WSIZE 8192            /* UDP Def. write data size <= 8K */
 107 #define NFS_DGRAM_RSIZE 8192            /* UDP Def. read data size <= 8K */
 108 #define NFS_READDIRSIZE 8192            /* Def. readdir size */
 109 #define NFS_DEFRAHEAD   4               /* Def. read ahead # blocks */
 110 #define NFS_MAXRAHEAD   16              /* Max. read ahead # blocks */
 111 #define NFS_MAXUIDHASH  64              /* Max. # of hashed uid entries/mp */
 112 #define NFS_MAXASYNCDAEMON      32      /* Max. number async_daemons runnable */
 113 #define NFS_MAXGATHERDELAY      100     /* Max. write gather delay (msec) */
 114 #ifndef NFS_GATHERDELAY
 115 #define NFS_GATHERDELAY         10      /* Default write gather delay (msec) */
 116 #endif
 117 #define NFS_DIRBLKSIZ   4096            /* Must be a multiple of DIRBLKSIZ */
 118 #if defined(KERNEL) && !defined(DIRBLKSIZ)
 119 #define DIRBLKSIZ       512             /* XXX we used to use ufs's DIRBLKSIZ */
 120                                         /* can't be larger than NFS_FABLKSIZE */
 121 #endif
 122
 123 /*
 124  * Oddballs
 125  */
 126 #define NMOD(a)         ((a) % nfs_asyncdaemons)
 127 #define NFS_CMPFH(n, f, s) \
 128         ((n)->n_fhsize == (s) && !bcmp((caddr_t)(n)->n_fhp, (caddr_t)(f), (s)))
 129 #define NFS_ISV3(v)     (VFSTONFS(vnode_mount(v))->nm_flag & NFSMNT_NFSV3)
 130 #define NFS_SRVMAXDATA(n) \
 131                 (((n)->nd_flag & ND_NFSV3) ? (((n)->nd_nam2) ? \
 132                  NFS_MAXDGRAMDATA : NFS_MAXDATA) : NFS_V2MAXDATA)
 133
 134 /*
 135  * XXX
 136  * The NB_INVAFTERWRITE flag should be set to whatever is required by the
 137  * buffer cache code to say "Invalidate the block after it is written back".
 138  */
 139 #ifdef __FreeBSD__
 140 #define NB_INVAFTERWRITE        NB_NOCACHE
 141 #else
 142 #define NB_INVAFTERWRITE        NB_INVAL
 143 #endif
 144
 145 /*
 146  * The IO_METASYNC flag should be implemented for local file systems.
 147  * (Until then, it is nothin at all.)
 148  */
 149 #ifndef IO_METASYNC
 150 #define IO_METASYNC     0
 151 #endif
 152
 153 /*
 154  * Expected allocation sizes for major data structures. If the actual size
 155  * of the structure exceeds these sizes, then malloc() will be allocating
 156  * almost twice the memory required. This is used in nfs_init() to warn
 157  * the sysadmin that the size of a structure should be reduced.
 158  * (These sizes are always a power of 2. If the kernel malloc() changes
 159  *  to one that does not allocate space in powers of 2 size, then this all
 160  *  becomes bunk!).
 161  * Note that some of these structures come out of there own nfs zones.
 162 */
 163 #define NFS_NODEALLOC   512
 164 #define NFS_MNTALLOC    512
 165 #define NFS_SVCALLOC    256
 166 #define NFS_UIDALLOC    128
 167
 168 /*
 169  * Arguments to mount NFS
 170  */
 171 #define NFS_ARGSVERSION 4               /* change when nfs_args changes */
 172 struct nfs_args {
 173         int             version;        /* args structure version number */
 174         struct sockaddr *addr;          /* file server address */
 175         int             addrlen;        /* length of address */
 176         int             sotype;         /* Socket type */
 177         int             proto;          /* and Protocol */
 178         u_char          *fh;            /* File handle to be mounted */
 179         int             fhsize;         /* Size, in bytes, of fh */
 180         int             flags;          /* flags */
 181         int             wsize;          /* write size in bytes */
 182         int             rsize;          /* read size in bytes */
 183         int             readdirsize;    /* readdir size in bytes */
 184         int             timeo;          /* initial timeout in .1 secs */
 185         int             retrans;        /* times to retry send */
 186         int             maxgrouplist;   /* Max. size of group list */
 187         int             readahead;      /* # of blocks to readahead */
 188         int             leaseterm;      /* obsolete: Term (sec) of lease */
 189         int             deadthresh;     /* obsolete: Retrans threshold */
 190         char            *hostname;      /* server's name */
 191         /* NFS_ARGSVERSION 3 ends here */
 192         int             acregmin;       /* reg file min attr cache timeout */
 193         int             acregmax;       /* reg file max attr cache timeout */
 194         int             acdirmin;       /* dir min attr cache timeout */
 195         int             acdirmax;       /* dir max attr cache timeout */
 196 };
 197
 198 struct nfs_args3 {
 199         int             version;        /* args structure version number */
 200         struct sockaddr *addr;          /* file server address */
 201         int             addrlen;        /* length of address */
 202         int             sotype;         /* Socket type */
 203         int             proto;          /* and Protocol */
 204         u_char          *fh;            /* File handle to be mounted */
 205         int             fhsize;         /* Size, in bytes, of fh */
 206         int             flags;          /* flags */
 207         int             wsize;          /* write size in bytes */
 208         int             rsize;          /* read size in bytes */
 209         int             readdirsize;    /* readdir size in bytes */
 210         int             timeo;          /* initial timeout in .1 secs */
 211         int             retrans;        /* times to retry send */
 212         int             maxgrouplist;   /* Max. size of group list */
 213         int             readahead;      /* # of blocks to readahead */
 214         int             leaseterm;      /* obsolete: Term (sec) of lease */
 215         int             deadthresh;     /* obsolete: Retrans threshold */
 216         char            *hostname;      /* server's name */
 217 };
 218
 219 // LP64todo - should this move?
 220 #ifdef KERNEL
 221 /* LP64 version of nfs_args.  all pointers and longs
 222  * grow when we're dealing with a 64-bit process.
 223  * WARNING - keep in sync with nfs_args
 224  */
 225 struct user_nfs_args {
 226         int             version;        /* args structure version number */
 227         user_addr_t     addr __attribute((aligned(8)));         /* file server address */
 228         int             addrlen;        /* length of address */
 229         int             sotype;         /* Socket type */
 230         int             proto;          /* and Protocol */
 231         user_addr_t     fh __attribute((aligned(8)));           /* File handle to be mounted */
 232         int             fhsize;         /* Size, in bytes, of fh */
 233         int             flags;          /* flags */
 234         int             wsize;          /* write size in bytes */
 235         int             rsize;          /* read size in bytes */
 236         int             readdirsize;    /* readdir size in bytes */
 237         int             timeo;          /* initial timeout in .1 secs */
 238         int             retrans;        /* times to retry send */
 239         int             maxgrouplist;   /* Max. size of group list */
 240         int             readahead;      /* # of blocks to readahead */
 241         int             leaseterm;      /* obsolete: Term (sec) of lease */
 242         int             deadthresh;     /* obsolete: Retrans threshold */
 243         user_addr_t     hostname __attribute((aligned(8)));     /* server's name */
 244         /* NFS_ARGSVERSION 3 ends here */
 245         int             acregmin;       /* reg file min attr cache timeout */
 246         int             acregmax;       /* reg file max attr cache timeout */
 247         int             acdirmin;       /* dir min attr cache timeout */
 248         int             acdirmax;       /* dir max attr cache timeout */
 249 };
 250 struct user_nfs_args3 {
 251         int             version;        /* args structure version number */
 252         user_addr_t     addr __attribute((aligned(8)));         /* file server address */
 253         int             addrlen;        /* length of address */
 254         int             sotype;         /* Socket type */
 255         int             proto;          /* and Protocol */
 256         user_addr_t     fh __attribute((aligned(8)));           /* File handle to be mounted */
 257         int             fhsize;         /* Size, in bytes, of fh */
 258         int             flags;          /* flags */
 259         int             wsize;          /* write size in bytes */
 260         int             rsize;          /* read size in bytes */
 261         int             readdirsize;    /* readdir size in bytes */
 262         int             timeo;          /* initial timeout in .1 secs */
 263         int             retrans;        /* times to retry send */
 264         int             maxgrouplist;   /* Max. size of group list */
 265         int             readahead;      /* # of blocks to readahead */
 266         int             leaseterm;      /* obsolete: Term (sec) of lease */
 267         int             deadthresh;     /* obsolete: Retrans threshold */
 268         user_addr_t     hostname __attribute((aligned(8)));     /* server's name */
 269 };
 270
 271 #endif // KERNEL
 272
 273 /*
 274  * NFS mount option flags
 275  */
 276 #define NFSMNT_SOFT             0x00000001  /* soft mount (hard is default) */
 277 #define NFSMNT_WSIZE            0x00000002  /* set write size */
 278 #define NFSMNT_RSIZE            0x00000004  /* set read size */
 279 #define NFSMNT_TIMEO            0x00000008  /* set initial timeout */
 280 #define NFSMNT_RETRANS          0x00000010  /* set number of request retries */
 281 #define NFSMNT_MAXGRPS          0x00000020  /* set maximum grouplist size */
 282 #define NFSMNT_INT              0x00000040  /* allow interrupts on hard mount */
 283 #define NFSMNT_NOCONN           0x00000080  /* Don't Connect the socket */
 284 #define NFSMNT_NFSV3            0x00000200  /* Use NFS Version 3 protocol */
 285 #define NFSMNT_KERB             0x00000400  /* Use Kerberos authentication */
 286 #define NFSMNT_DUMBTIMR         0x00000800  /* Don't estimate rtt dynamically */
 287 #define NFSMNT_READAHEAD        0x00002000  /* set read ahead */
 288 #define NFSMNT_RESVPORT         0x00008000  /* Allocate a reserved port */
 289 #define NFSMNT_RDIRPLUS         0x00010000  /* Use Readdirplus for V3 */
 290 #define NFSMNT_READDIRSIZE      0x00020000  /* Set readdir size */
 291 #define NFSMNT_NOLOCKS          0x00040000  /* don't support file locking */
 292 #define NFSMNT_ACREGMIN         0x00100000  /* reg min attr cache timeout */
 293 #define NFSMNT_ACREGMAX         0x00200000  /* reg max attr cache timeout */
 294 #define NFSMNT_ACDIRMIN         0x00400000  /* dir min attr cache timeout */
 295 #define NFSMNT_ACDIRMAX         0x00800000  /* dir max attr cache timeout */
 296
 297 /*
 298  * NFS mount state flags (nm_state)
 299  */
 300 #define NFSSTA_LOCKTIMEO        0x00002000  /* experienced a lock req timeout */
 301 #define NFSSTA_MOUNTED          0x00004000  /* completely mounted */
 302 #define NFSSTA_LOCKSWORK        0x00008000  /* lock ops have worked. */
 303 #define NFSSTA_TIMEO            0x00010000  /* experienced a timeout. */
 304 #define NFSSTA_FORCE            0x00020000  /* doing a forced unmount. */
 305 #define NFSSTA_HASWRITEVERF     0x00040000  /* Has write verifier for V3 */
 306 #define NFSSTA_GOTPATHCONF      0x00080000  /* Got the V3 pathconf info */
 307 #define NFSSTA_GOTFSINFO        0x00100000  /* Got the V3 fsinfo */
 308 #define NFSSTA_MNTD             0x00200000  /* Mnt server for mnt point */
 309 #define NFSSTA_SNDLOCK          0x01000000  /* Send socket lock */
 310 #define NFSSTA_WANTSND          0x02000000  /* Want above */
 311 #define NFSSTA_RCVLOCK          0x04000000  /* Rcv socket lock */
 312 #define NFSSTA_WANTRCV          0x08000000  /* Want above */
 313 #define NFSSTA_WAITAUTH         0x10000000  /* Wait for authentication */
 314 #define NFSSTA_HASAUTH          0x20000000  /* Has authenticator */
 315 #define NFSSTA_WANTAUTH         0x40000000  /* Wants an authenticator */
 316 #define NFSSTA_AUTHERR          0x80000000  /* Authentication error */
 317
 318 /*
 319  * NFS mount pathconf info flags (nm_fsinfo.pcflags)
 320  */
 321 #define NFSPCINFO_NOTRUNC               0x01
 322 #define NFSPCINFO_CHOWN_RESTRICTED      0x02
 323 #define NFSPCINFO_CASE_INSENSITIVE      0x04
 324 #define NFSPCINFO_CASE_PRESERVING       0x08
 325
 326 /*
 327  * Structures for the nfssvc(2) syscall. Not that anyone but nfsd and mount_nfs
 328  * should ever try and use it.
 329  */
 330 struct nfsd_args {
 331         int     sock;           /* Socket to serve */
 332         caddr_t name;           /* Client addr for connection based sockets */
 333         int     namelen;        /* Length of name */
 334 };
 335
 336 // LP64todo - should this move?
 337 #ifdef KERNEL
 338 /* LP64 version of nfsd_args.  all pointers and longs
 339  * grow when we're dealing with a 64-bit process.
 340  * WARNING - keep in sync with nfsd_args
 341  */
 342 struct user_nfsd_args {
 343         int             sock;           /* Socket to serve */
 344         user_addr_t     name __attribute((aligned(8)));         /* Client addr for connection based sockets */
 345         int             namelen;        /* Length of name */
 346 };
 347
 348 #endif // KERNEL
 349
 350 struct nfsd_srvargs {
 351         struct nfsd     *nsd_nfsd;      /* Pointer to in kernel nfsd struct */
 352         uid_t           nsd_uid;        /* Effective uid mapped to cred */
 353         u_long          nsd_haddr;      /* Ip address of client */
 354         struct ucred    nsd_cr;         /* Cred. uid maps to */
 355         int             nsd_authlen;    /* Length of auth string (ret) */
 356         u_char          *nsd_authstr;   /* Auth string (ret) */
 357         int             nsd_verflen;    /* and the verfier */
 358         u_char          *nsd_verfstr;
 359         struct timeval  nsd_timestamp;  /* timestamp from verifier */
 360         u_long          nsd_ttl;        /* credential ttl (sec) */
 361         NFSKERBKEY_T    nsd_key;        /* Session key */
 362 };
 363
 364 struct nfsd_cargs {
 365         char            *ncd_dirp;      /* Mount dir path */
 366         uid_t           ncd_authuid;    /* Effective uid */
 367         int             ncd_authtype;   /* Type of authenticator */
 368         int             ncd_authlen;    /* Length of authenticator string */
 369         u_char          *ncd_authstr;   /* Authenticator string */
 370         int             ncd_verflen;    /* and the verifier */
 371         u_char          *ncd_verfstr;
 372         NFSKERBKEY_T    ncd_key;        /* Session key */
 373 };
 374
 375 /*
 376  * NFS Server File Handle structures
 377  */
 378
 379 /* NFS export handle identifies which NFS export */
 380 #define NFS_FH_VERSION  0x4e580000              /* 'NX00' */
 381 struct nfs_exphandle {
 382         uint32_t        nxh_version;            /* data structure version */
 383         uint32_t        nxh_fsid;               /* File System Export ID */
 384         uint32_t        nxh_expid;              /* Export ID */
 385         uint16_t        nxh_flags;              /* export handle flags */
 386         uint8_t         nxh_reserved;           /* future use */
 387         uint8_t         nxh_fidlen;             /* length of File ID */
 388 };
 389
 390 /* nxh_flags */
 391 #define NXHF_INVALIDFH          0x0001          /* file handle is invalid */
 392
 393 #define NFS_MAX_FID_SIZE        (NFS_MAX_FH_SIZE - sizeof(struct nfs_exphandle))
 394 #define NFSV2_MAX_FID_SIZE      (NFSV2_MAX_FH_SIZE - sizeof(struct nfs_exphandle))
 395
 396 /* NFS server internal view of fhandle_t */
 397 struct nfs_filehandle {
 398         int                     nfh_len;        /* total length of file handle */
 399         struct nfs_exphandle    nfh_xh;         /* export handle */
 400         unsigned char           nfh_fid[NFS_MAX_FID_SIZE]; /* File ID */
 401 };
 402
 403 /*
 404  * NFS export data structures
 405  */
 406
 407 struct nfs_export_net_args {
 408         uint32_t                nxna_flags;     /* export flags */
 409         struct xucred           nxna_cred;      /* mapped credential for root/all user */
 410         struct sockaddr_storage nxna_addr;      /* net address to which exported */
 411         struct sockaddr_storage nxna_mask;      /* mask for net address */
 412 };
 413
 414 struct nfs_export_args {
 415         uint32_t                nxa_fsid;       /* export FS ID */
 416         uint32_t                nxa_expid;      /* export ID */
 417         char                    *nxa_fspath;    /* export FS path */
 418         char                    *nxa_exppath;   /* export sub-path */
 419         uint32_t                nxa_flags;      /* export arg flags */
 420         uint32_t                nxa_netcount;   /* #entries in ex_nets array */
 421         struct nfs_export_net_args *nxa_nets;   /* array of net args */
 422 };
 423
 424 #ifdef KERNEL
 425 /* LP64 version of export_args */
 426
 427 struct user_nfs_export_args {
 428         uint32_t                nxa_fsid;       /* export FS ID */
 429         uint32_t                nxa_expid;      /* export ID */
 430         user_addr_t             nxa_fspath;     /* export FS path */
 431         user_addr_t             nxa_exppath;    /* export sub-path */
 432         uint32_t                nxa_flags;      /* export arg flags */
 433         uint32_t                nxa_netcount;   /* #entries in ex_nets array */
 434         user_addr_t             nxa_nets;       /* array of net args */
 435 };
 436
 437 #endif /* KERNEL */
 438
 439 /* nfs export arg flags */
 440 #define NXA_DELETE              0x0001  /* delete the specified export(s) */
 441 #define NXA_ADD                 0x0002  /* add the specified export(s) */
 442 #define NXA_REPLACE             0x0003  /* delete and add the specified export(s) */
 443 #define NXA_DELETE_ALL          0x0004  /* delete all exports */
 444
 445 /* export option flags */
 446 #define NX_READONLY             0x0001  /* exported read-only */
 447 #define NX_DEFAULTEXPORT        0x0002  /* exported to the world */
 448 #define NX_MAPROOT              0x0004  /* map root access to anon credential */
 449 #define NX_MAPALL               0x0008  /* map all access to anon credential */
 450 #define NX_KERB                 0x0010  /* exported with Kerberos uid mapping */
 451 #define NX_32BITCLIENTS         0x0020  /* restrict directory cookies to 32 bits */
 452
 453 #ifdef KERNEL
 454 struct nfs_exportfs;
 455
 456 struct nfs_export_options {
 457         uint32_t                nxo_flags;      /* export options */
 458         kauth_cred_t            nxo_cred;       /* mapped credential */
 459 };
 460
 461 /* Network address lookup element and individual export options */
 462 struct nfs_netopt {
 463         struct radix_node               no_rnodes[2];   /* radix tree glue */
 464         struct nfs_export_options       no_opt;         /* export options */
 465 };
 466
 467 /* Network export information */
 468 /* one of these for each exported directory */
 469 struct nfs_export {
 470         LIST_ENTRY(nfs_export)          nx_next;        /* FS export list */
 471         LIST_ENTRY(nfs_export)          nx_hash;        /* export hash chain */
 472         struct nfs_export               *nx_parent;     /* parent export */
 473         uint32_t                        nx_id;          /* export ID */
 474         uint32_t                        nx_flags;       /* export flags */
 475         struct nfs_exportfs             *nx_fs;         /* exported file system */
 476         char                            *nx_path;       /* exported file system sub-path */
 477         struct nfs_filehandle           nx_fh;          /* export root file handle */
 478         struct nfs_export_options       nx_defopt;      /* default options */
 479         uint32_t                        nx_expcnt;      /* # exports in table */
 480         struct radix_node_head          *nx_rtable[AF_MAX+1]; /* table of exports (netopts) */
 481 };
 482
 483 /* NFS exported file system info */
 484 /* one of these for each exported file system */
 485 struct nfs_exportfs {
 486         LIST_ENTRY(nfs_exportfs)        nxfs_next;      /* exported file system list */
 487         uint32_t                        nxfs_id;        /* exported file system ID */
 488         char                            *nxfs_path;     /* exported file system path */
 489         LIST_HEAD(,nfs_export)          nxfs_exports;   /* list of exports for this file system */
 490 };
 491
 492 extern LIST_HEAD(nfsexpfslist, nfs_exportfs) nfs_exports;
 493 extern lck_rw_t nfs_export_rwlock;  // lock for export data structures
 494 #define NFSEXPHASHVAL(FSID, EXPID)      \
 495         (((FSID) >> 24) ^ ((FSID) >> 16) ^ ((FSID) >> 8) ^ (EXPID))
 496 #define NFSEXPHASH(FSID, EXPID) \
 497         (&nfsexphashtbl[NFSEXPHASHVAL((FSID),(EXPID)) & nfsexphash])
 498 extern LIST_HEAD(nfsexphashhead, nfs_export) *nfsexphashtbl;
 499 extern u_long nfsexphash;
 500
 501 #endif // KERNEL
 502
 503 /*
 504  * XXX to allow amd to include nfs.h without nfsproto.h
 505  */
 506 #ifdef NFS_NPROCS
 507 /*
 508  * Stats structure
 509  */
 510 struct nfsstats {
 511         int     attrcache_hits;
 512         int     attrcache_misses;
 513         int     lookupcache_hits;
 514         int     lookupcache_misses;
 515         int     direofcache_hits;
 516         int     direofcache_misses;
 517         int     biocache_reads;
 518         int     read_bios;
 519         int     read_physios;
 520         int     biocache_writes;
 521         int     write_bios;
 522         int     write_physios;
 523         int     biocache_readlinks;
 524         int     readlink_bios;
 525         int     biocache_readdirs;
 526         int     readdir_bios;
 527         int     rpccnt[NFS_NPROCS];
 528         int     rpcretries;
 529         int     srvrpccnt[NFS_NPROCS];
 530         int     srvrpc_errs;
 531         int     srv_errs;
 532         int     rpcrequests;
 533         int     rpctimeouts;
 534         int     rpcunexpected;
 535         int     rpcinvalid;
 536         int     srvcache_inproghits;
 537         int     srvcache_idemdonehits;
 538         int     srvcache_nonidemdonehits;
 539         int     srvcache_misses;
 540         int     srvvop_writes;
 541         int pageins;
 542         int pageouts;
 543 };
 544 #endif
 545
 546 /*
 547  * Flags for nfssvc() system call.
 548  */
 549 #define NFSSVC_BIOD     0x002
 550 #define NFSSVC_NFSD     0x004
 551 #define NFSSVC_ADDSOCK  0x008
 552 #define NFSSVC_AUTHIN   0x010
 553 #define NFSSVC_GOTAUTH  0x040
 554 #define NFSSVC_AUTHINFAIL 0x080
 555 #define NFSSVC_MNTD     0x100
 556 #define NFSSVC_EXPORT   0x200
 557
 558 /*
 559  * Flags for nfsclnt() system call.
 560  */
 561 #define NFSCLNT_LOCKDANS        0x200
 562 #define NFSCLNT_LOCKDFD         0x400
 563 #define NFSCLNT_LOCKDWAIT       0x800
 564
 565 /*
 566  * fs.nfs sysctl(3) identifiers
 567  */
 568 #define NFS_NFSSTATS    1               /* struct: struct nfsstats */
 569 #define NFS_NFSPRIVPORT 2               /* int: prohibit nfs to resvports */
 570
 571 #define FS_NFS_NAMES { \
 572                        { 0, 0 }, \
 573                        { "nfsstats", CTLTYPE_STRUCT }, \
 574                        { "nfsprivport", CTLTYPE_INT }, \
 575 }
 576
 577 #ifndef NFS_MUIDHASHSIZ
 578 #define NFS_MUIDHASHSIZ 63      /* Tune the size of nfsmount with this */
 579 #endif
 580 #ifndef NFS_WDELAYHASHSIZ
 581 #define NFS_WDELAYHASHSIZ 16    /* and with this */
 582 #endif
 583
 584 /*
 585  * The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts.
 586  * What should be in this set is open to debate, but I believe that since
 587  * I/O system calls on ufs are never interrupted by signals the set should
 588  * be minimal. My reasoning is that many current programs that use signals
 589  * such as SIGALRM will not expect file I/O system calls to be interrupted
 590  * by them and break.
 591  */
 592 #ifdef KERNEL
 593 #include <sys/kernel_types.h>
 594
 595 #ifdef MALLOC_DECLARE
 596 MALLOC_DECLARE(M_NFSREQ);
 597 MALLOC_DECLARE(M_NFSMNT);
 598 MALLOC_DECLARE(M_NFSDIROFF);
 599 MALLOC_DECLARE(M_NFSRVDESC);
 600 MALLOC_DECLARE(M_NFSUID);
 601 MALLOC_DECLARE(M_NFSD);
 602 MALLOC_DECLARE(M_NFSBIGFH);
 603 #endif
 604
 605 struct uio; struct vnode_attr; struct nameidata;        /* XXX */
 606 struct nfsbuf;
 607 struct nfs_vattr;
 608 struct nfsnode;
 609
 610 #define NFSINT_SIGMASK  (sigmask(SIGINT)|sigmask(SIGTERM)|sigmask(SIGKILL)| \
 611                          sigmask(SIGHUP)|sigmask(SIGQUIT))
 612
 613 __private_extern__ int nfs_mbuf_mlen, nfs_mbuf_mhlen,
 614         nfs_mbuf_minclsize, nfs_mbuf_mclbytes;
 615
 616 /*
 617  * Socket errors ignored for connectionless sockets??
 618  * For now, ignore them all
 619  */
 620 #define NFSIGNORE_SOERROR(s, e) \
 621                 ((e) != EINTR && (e) != ERESTART && (e) != EWOULDBLOCK && \
 622                  (e) != EIO && ((s)) != SOCK_STREAM)
 623
 624 /*
 625  * Nfs outstanding request list element
 626  */
 627 struct nfsreq {
 628         TAILQ_ENTRY(nfsreq) r_chain;
 629         mbuf_t          r_mreq;
 630         mbuf_t          r_mrep;
 631         mbuf_t          r_md;
 632         caddr_t         r_dpos;
 633         struct nfsmount *r_nmp;
 634         vnode_t         r_vp;
 635         u_long          r_xid;
 636         int             r_flags;        /* flags on request, see below */
 637         int             r_retry;        /* max retransmission count */
 638         int             r_rexmit;       /* current retrans count */
 639         int             r_timer;        /* tick counter on reply */
 640         u_int32_t       r_procnum;      /* NFS procedure number */
 641         int             r_rtt;          /* RTT for rpc */
 642         proc_t          r_procp;        /* Proc that did I/O system call */
 643         long            r_lastmsg;      /* time of last tprintf */
 644 };
 645
 646 /*
 647  * Queue head for nfsreq's
 648  */
 649 extern TAILQ_HEAD(nfs_reqq, nfsreq) nfs_reqq;
 650
 651 /* Flag values for r_flags */
 652 #define R_TIMING        0x0001          /* timing request (in mntp) */
 653 #define R_SENT          0x0002          /* request has been sent */
 654 #define R_SOFTTERM      0x0004          /* soft mnt, too many retries */
 655 #define R_INTR          0x0008          /* intr mnt, signal pending */
 656 #define R_SOCKERR       0x0010          /* Fatal error on socket */
 657 #define R_TPRINTFMSG    0x0020          /* Did a tprintf msg. */
 658 #define R_MUSTRESEND    0x0040          /* Must resend request */
 659 #define R_BUSY          0x0100          /* Locked. */
 660 #define R_WAITING       0x0200          /* Someone waiting for lock. */
 661 #define R_RESENDERR     0x0400          /* resend failed. */
 662
 663 /*
 664  * A list of nfssvc_sock structures is maintained with all the sockets
 665  * that require service by the nfsd.
 666  * The nfsuid structs hang off of the nfssvc_sock structs in both lru
 667  * and uid hash lists.
 668  */
 669 #ifndef NFS_UIDHASHSIZ
 670 #define NFS_UIDHASHSIZ  13      /* Tune the size of nfssvc_sock with this */
 671 #endif
 672 #define NUIDHASH(sock, uid) \
 673         (&(sock)->ns_uidhashtbl[(uid) % NFS_UIDHASHSIZ])
 674 #define NWDELAYHASH(sock, f) \
 675         (&(sock)->ns_wdelayhashtbl[(*((u_long *)(f))) % NFS_WDELAYHASHSIZ])
 676 #define NMUIDHASH(nmp, uid) \
 677         (&(nmp)->nm_uidhashtbl[(uid) % NFS_MUIDHASHSIZ])
 678 #define NFSNOHASH(fhsum) \
 679         (&nfsnodehashtbl[(fhsum) & nfsnodehash])
 680
 681 /*
 682  * Network address hash list element
 683  */
 684 union nethostaddr {
 685         u_long had_inetaddr;
 686         mbuf_t had_nam;
 687 };
 688
 689 struct nfsuid {
 690         TAILQ_ENTRY(nfsuid) nu_lru;     /* LRU chain */
 691         LIST_ENTRY(nfsuid) nu_hash;     /* Hash list */
 692         int             nu_flag;        /* Flags */
 693         union nethostaddr nu_haddr;     /* Host addr. for dgram sockets */
 694         kauth_cred_t    nu_cr;          /* Cred uid mapped to */
 695         int             nu_expire;      /* Expiry time (sec) */
 696         struct timeval  nu_timestamp;   /* Kerb. timestamp */
 697         u_long          nu_nickname;    /* Nickname on server */
 698         NFSKERBKEY_T    nu_key;         /* and session key */
 699 };
 700
 701 #define nu_inetaddr     nu_haddr.had_inetaddr
 702 #define nu_nam          nu_haddr.had_nam
 703 /* Bits for nu_flag */
 704 #define NU_INETADDR     0x1
 705 #define NU_NAM          0x2
 706 #define NU_NETFAM(u)    (((u)->nu_flag & NU_INETADDR) ? AF_INET : AF_ISO)
 707
 708 #ifdef notyet
 709 /* XXX CSM 12/2/97 When/if we merge queue.h */
 710 struct nfsrv_rec {
 711         STAILQ_ENTRY(nfsrv_rec) nr_link;
 712         struct sockaddr *nr_address;
 713         mbuf_t          nr_packet;
 714 };
 715 #endif
 716
 717 struct nfssvc_sock {
 718         TAILQ_ENTRY(nfssvc_sock) ns_chain;      /* List of all nfssvc_sock's */
 719         lck_rw_t        ns_rwlock;              /* lock for most fields */
 720         socket_t        ns_so;
 721         mbuf_t          ns_nam;
 722         mbuf_t          ns_raw;
 723         mbuf_t          ns_rawend;
 724         mbuf_t          ns_rec;
 725         mbuf_t          ns_recend;
 726         mbuf_t          ns_frag;
 727         int             ns_flag;
 728         int             ns_sotype;
 729         int             ns_cc;
 730         int             ns_reclen;
 731         int             ns_numuids;
 732         u_long          ns_sref;
 733         time_t          ns_timestamp;           /* socket timestamp */
 734         lck_mtx_t       ns_wgmutex;             /* mutex for write gather fields */
 735         u_quad_t        ns_wgtime;              /* next Write deadline (usec) */
 736         LIST_HEAD(, nfsrv_descript) ns_tq;      /* Write gather lists */
 737         LIST_HEAD(nfsrvw_delayhash, nfsrv_descript) ns_wdelayhashtbl[NFS_WDELAYHASHSIZ];
 738         TAILQ_HEAD(, nfsuid) ns_uidlruhead;
 739         LIST_HEAD(, nfsuid) ns_uidhashtbl[NFS_UIDHASHSIZ];
 740 };
 741
 742 /* Bits for "ns_flag" */
 743 #define SLP_VALID       0x01 /* nfs sock valid */
 744 #define SLP_DOREC       0x02 /* nfs sock has received data to process */
 745 #define SLP_NEEDQ       0x04 /* network socket has data to receive */
 746 #define SLP_DISCONN     0x08 /* socket needs to be zapped */
 747 #define SLP_GETSTREAM   0x10 /* currently in nfsrv_getstream() */
 748 #define SLP_LASTFRAG    0x20 /* on last fragment of RPC record */
 749 #define SLP_ALLFLAGS    0xff
 750
 751 extern TAILQ_HEAD(nfssvc_sockhead, nfssvc_sock) nfssvc_sockhead, nfssvc_deadsockhead;
 752
 753 /* locks for nfssvc_sock's */
 754 extern lck_grp_attr_t *nfs_slp_group_attr;
 755 extern lck_attr_t *nfs_slp_lock_attr;
 756 extern lck_grp_t *nfs_slp_rwlock_group;
 757 extern lck_grp_t *nfs_slp_mutex_group;
 758
 759 /*
 760  * One of these structures is allocated for each nfsd.
 761  */
 762 struct nfsd {
 763         TAILQ_ENTRY(nfsd) nfsd_chain;   /* List of all nfsd's */
 764         int             nfsd_flag;      /* NFSD_ flags */
 765         struct nfssvc_sock *nfsd_slp;   /* Current socket */
 766         int             nfsd_authlen;   /* Authenticator len */
 767         u_char          nfsd_authstr[RPCAUTH_MAXSIZ]; /* Authenticator data */
 768         int             nfsd_verflen;   /* and the Verifier */
 769         u_char          nfsd_verfstr[RPCVERF_MAXSIZ];
 770         proc_t          nfsd_procp;     /* Proc ptr */
 771         struct nfsrv_descript *nfsd_nd; /* Associated nfsrv_descript */
 772 };
 773
 774 /* Bits for "nfsd_flag" */
 775 #define NFSD_WAITING    0x01
 776 #define NFSD_REQINPROG  0x02
 777 #define NFSD_NEEDAUTH   0x04
 778 #define NFSD_AUTHFAIL   0x08
 779
 780 /*
 781  * This structure is used by the server for describing each request.
 782  * Some fields are used only when write request gathering is performed.
 783  */
 784 struct nfsrv_descript {
 785         u_quad_t                nd_time;        /* Write deadline (usec) */
 786         off_t                   nd_off;         /* Start byte offset */
 787         off_t                   nd_eoff;        /* and end byte offset */
 788         LIST_ENTRY(nfsrv_descript) nd_hash;     /* Hash list */
 789         LIST_ENTRY(nfsrv_descript) nd_tq;               /* and timer list */
 790         LIST_HEAD(,nfsrv_descript) nd_coalesce; /* coalesced writes */
 791         mbuf_t                  nd_mrep;        /* Request mbuf list */
 792         mbuf_t                  nd_md;          /* Current dissect mbuf */
 793         mbuf_t                  nd_mreq;        /* Reply mbuf list */
 794         mbuf_t                  nd_nam;         /* and socket addr */
 795         mbuf_t                  nd_nam2;        /* return socket addr */
 796         caddr_t                 nd_dpos;        /* Current dissect pos */
 797         u_int32_t               nd_procnum;     /* RPC # */
 798         int                     nd_stable;      /* storage type */
 799         int                     nd_flag;        /* nd_flag */
 800         int                     nd_len;         /* Length of this write */
 801         int                     nd_repstat;     /* Reply status */
 802         u_long                  nd_retxid;      /* Reply xid */
 803         struct timeval          nd_starttime;   /* Time RPC initiated */
 804         struct nfs_filehandle   nd_fh;          /* File handle */
 805         kauth_cred_t            nd_cr;          /* Credentials */
 806 };
 807
 808 /* Bits for "nd_flag" */
 809 #define ND_NFSV3        0x08
 810 #define ND_KERBNICK     0x20
 811 #define ND_KERBFULL     0x40
 812 #define ND_KERBAUTH     (ND_KERBNICK | ND_KERBFULL)
 813
 814 extern TAILQ_HEAD(nfsd_head, nfsd) nfsd_head;
 815 extern int nfsd_head_flag;
 816 #define NFSD_CHECKSLP   0x01
 817
 818 /*
 819  * These macros compare nfsrv_descript structures.
 820  */
 821 #define NFSW_CONTIG(o, n) \
 822                 (((o)->nd_eoff >= (n)->nd_off) && \
 823                  ((o)->nd_fh.nfh_len == (n)->nd_fh.nfh_len) && \
 824                  !bcmp((caddr_t)&(o)->nd_fh, (caddr_t)&(n)->nd_fh, (o)->nd_fh.nfh_len))
 825
 826 #define NFSW_SAMECRED(o, n) \
 827         (((o)->nd_flag & ND_KERBAUTH) == ((n)->nd_flag & ND_KERBAUTH) && \
 828          !bcmp((caddr_t)(o)->nd_cr, (caddr_t)(n)->nd_cr, \
 829                 sizeof (struct ucred)))
 830
 831 /* mutex for nfs server */
 832 extern lck_grp_t * nfsd_lck_grp;
 833 extern lck_grp_attr_t * nfsd_lck_grp_attr;
 834 extern lck_attr_t * nfsd_lck_attr;
 835 extern lck_mtx_t *nfsd_mutex;
 836
 837 extern int nfs_numnfsd, nfsd_waiting;
 838
 839 /*
 840  * Defines for WebNFS
 841  */
 842
 843 #define WEBNFS_ESC_CHAR         '%'
 844 #define WEBNFS_SPECCHAR_START   0x80
 845
 846 #define WEBNFS_NATIVE_CHAR      0x80
 847 /*
 848  * ..
 849  * Possibly more here in the future.
 850  */
 851
 852 /*
 853  * Macro for converting escape characters in WebNFS pathnames.
 854  * Should really be in libkern.
 855  */
 856 #define ISHEX(c) \
 857         ((((c) >= 'a') && ((c) <= 'f')) || \
 858          (((c) >= 'A') && ((c) <= 'F')) || \
 859          (((c) >= '0') && ((c) <= '9')))
 860 #define HEXTOC(c) \
 861         ((c) >= 'a' ? ((c) - ('a' - 10)) : \
 862             ((c) >= 'A' ? ((c) - ('A' - 10)) : ((c) - '0')))
 863 #define HEXSTRTOI(p) \
 864         ((HEXTOC(p[0]) << 4) + HEXTOC(p[1]))
 865
 866 __BEGIN_DECLS
 867
 868 int     nfs_init(struct vfsconf *vfsp);
 869 void    nfs_mbuf_init(void);
 870 int     nfs_reply(struct nfsreq *);
 871 int     nfs_getreq(struct nfsrv_descript *,struct nfsd *,int);
 872 int     nfs_send(socket_t, mbuf_t, mbuf_t, struct nfsreq *);
 873 int     nfs_rephead(int, struct nfsrv_descript *, struct nfssvc_sock *,
 874                          int, mbuf_t *, mbuf_t *, caddr_t *);
 875 int     nfs_sndlock(struct nfsreq *);
 876 void    nfs_sndunlock(struct nfsreq *);
 877 int     nfs_vinvalbuf(vnode_t, int, struct ucred *, proc_t, int);
 878 int     nfs_buf_page_inval(vnode_t vp, off_t offset);
 879 int     nfs_readrpc(vnode_t, struct uio *, struct ucred *, proc_t);
 880 int     nfs_writerpc(vnode_t, struct uio *, struct ucred *, proc_t, int *, uint64_t *);
 881 int     nfs_readdirrpc(vnode_t, struct uio *, struct ucred *, proc_t);
 882 int     nfs_readdirplusrpc(vnode_t, struct uio *, struct ucred *, proc_t);
 883 int     nfs_asyncio(struct nfsbuf *, struct ucred *);
 884 int     nfs_doio(struct nfsbuf *, struct ucred *, proc_t);
 885 int     nfs_readlinkrpc(vnode_t, struct uio *, struct ucred *, proc_t);
 886 int     nfs_sigintr(struct nfsmount *, struct nfsreq *, proc_t);
 887 int     nfsm_disct(mbuf_t *, caddr_t *, int, int, caddr_t *);
 888 void    nfsm_srvfattr(struct nfsrv_descript *, struct vnode_attr *,
 889                            struct nfs_fattr *);
 890 void    nfsm_srvwcc(struct nfsrv_descript *, int, struct vnode_attr *, int,
 891                          struct vnode_attr *, mbuf_t *, char **);
 892 void    nfsm_srvpostopattr(struct nfsrv_descript *, int, struct vnode_attr *,
 893                                 mbuf_t *, char **);
 894 int     netaddr_match(int, union nethostaddr *, mbuf_t);
 895 int     nfs_request(vnode_t, mount_t, mbuf_t, int, proc_t,
 896                          struct ucred *, mbuf_t *, mbuf_t *,
 897                          caddr_t *, u_int64_t *);
 898 int     nfs_parsefattr(mbuf_t *, caddr_t *, int, struct nfs_vattr *);
 899 int     nfs_loadattrcache(struct nfsnode *, struct nfs_vattr *, u_int64_t *, int);
 900 int     nfsm_path_mbuftond(mbuf_t *, caddr_t *, int, int, int *, struct nameidata *);
 901 int     nfs_namei(struct nfsrv_descript *, struct vfs_context *, struct nameidata *,
 902                         struct nfs_filehandle *, mbuf_t, int, vnode_t *,
 903                         struct nfs_export **, struct nfs_export_options **);
 904 void    nfsm_adj(mbuf_t, int, int);
 905 int     nfsm_mbuftouio(mbuf_t *, struct uio *, int, caddr_t *);
 906 void    nfsrv_initcache(void);
 907 int     nfs_getauth(struct nfsmount *, struct nfsreq *, struct ucred *,
 908                          char **, int *, char *, int *, NFSKERBKEY_T);
 909 int     nfs_getnickauth(struct nfsmount *, struct ucred *, char **,
 910                              int *, char *, int);
 911 int     nfs_savenickauth(struct nfsmount *, struct ucred *, int,
 912                               NFSKERBKEY_T, mbuf_t *, char **,
 913                               mbuf_t);
 914 int     nfs_adv(mbuf_t *, caddr_t *, int, int);
 915 void    nfs_nhinit(void);
 916 void    nfs_timer_funnel(void*);
 917 void    nfs_timer(void*);
 918 u_long  nfs_hash(u_char *, int);
 919 int     nfsrv_dorec(struct nfssvc_sock *, struct nfsd *,
 920                          struct nfsrv_descript **);
 921 int     nfsrv_getcache(struct nfsrv_descript *, struct nfssvc_sock *,
 922                             mbuf_t *);
 923 void    nfsrv_updatecache(struct nfsrv_descript *, int, mbuf_t);
 924 void    nfsrv_cleancache(void);
 925 int     nfs_bind_resv_thread_wake(void);
 926 int     nfs_connect(struct nfsmount *, struct nfsreq *);
 927 void    nfs_disconnect(struct nfsmount *);
 928 int     nfs_getattr_no_vnode(mount_t,u_char *,int,struct ucred *,proc_t,struct nfs_vattr *,u_int64_t *);
 929 int     nfs_getattr(vnode_t vp, struct nfs_vattr *nvap, struct ucred *cred, proc_t p);
 930 int     nfs_getattrcache(vnode_t, struct nfs_vattr *);
 931 int     nfs_attrcachetimeout(vnode_t);
 932 int     nfsm_strtmbuf(mbuf_t *, char **, char *, long);
 933 int     nfs_bioread(vnode_t, struct uio *, int, struct ucred *, proc_t);
 934 int     nfsm_uiotombuf(struct uio *, mbuf_t *, int, caddr_t *);
 935 void    nfsrv_init(int);
 936 int     nfs_commit(vnode_t vp, u_quad_t offset, u_int32_t count,
 937                         struct ucred *cred, proc_t procp);
 938 int     nfs_flushcommits(vnode_t, proc_t, int);
 939 int     nfs_flush(vnode_t,int,struct ucred *,proc_t,int);
 940 int     nfsrv_errmap(struct nfsrv_descript *, int);
 941 void    nfsrvw_sort(gid_t *, int);
 942 void    nfsrv_setcred(struct ucred *, struct ucred *);
 943 int     nfs_buf_write(struct nfsbuf *);
 944 void    nfsrv_wakenfsd(struct nfssvc_sock *slp);
 945 int     nfsrv_writegather(struct nfsrv_descript **, struct nfssvc_sock *,
 946                                proc_t, mbuf_t *);
 947 int     nfs_fsinfo(struct nfsmount *, vnode_t, struct ucred *, proc_t p);
 948 int     nfs_pathconfrpc(vnode_t, struct nfsv3_pathconf *, kauth_cred_t, proc_t);
 949 void    nfs_pathconf_cache(struct nfsmount *, struct nfsv3_pathconf *);
 950
 951 int     nfsrv3_access(struct nfsrv_descript *nfsd,
 952                            struct nfssvc_sock *slp,
 953                            proc_t procp, mbuf_t *mrq);
 954 int     nfsrv_commit(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
 955                           proc_t procp, mbuf_t *mrq);
 956 int     nfsrv_create(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
 957                           proc_t procp, mbuf_t *mrq);
 958 int     nfsrv_credcheck(struct nfsrv_descript *, struct nfs_export *,
 959                         struct nfs_export_options *);
 960 int     nfsrv_export(struct user_nfs_export_args *, struct vfs_context *);
 961 int     nfsrv_fhmatch(struct nfs_filehandle *fh1, struct nfs_filehandle *fh2);
 962 int     nfsrv_fhtovp(struct nfs_filehandle *, mbuf_t, int, vnode_t *,
 963                         struct nfs_export **, struct nfs_export_options **);
 964 int     nfs_ispublicfh(struct nfs_filehandle *);
 965 int     nfsrv_fsinfo(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
 966                           proc_t procp, mbuf_t *mrq);
 967 int     nfsrv_getattr(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
 968                            proc_t procp, mbuf_t *mrq);
 969 int     nfsrv_link(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
 970                         proc_t procp, mbuf_t *mrq);
 971 int     nfsrv_lookup(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
 972                           proc_t procp, mbuf_t *mrq);
 973 int     nfsrv_mkdir(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
 974                          proc_t procp, mbuf_t *mrq);
 975 int     nfsrv_mknod(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
 976                          proc_t procp, mbuf_t *mrq);
 977 int     nfsrv_noop(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
 978                         proc_t procp, mbuf_t *mrq);
 979 int     nfsrv_null(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
 980                         proc_t procp, mbuf_t *mrq);
 981 int     nfsrv_pathconf(struct nfsrv_descript *nfsd,
 982                             struct nfssvc_sock *slp, proc_t procp,
 983                             mbuf_t *mrq);
 984 void    nfsrv_rcv(socket_t, caddr_t arg, int waitflag);
 985 void    nfsrv_rcv_locked(socket_t, struct nfssvc_sock *slp, int waitflag);
 986 int     nfsrv_read(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
 987                         proc_t procp, mbuf_t *mrq);
 988 int     nfsrv_readdir(struct nfsrv_descript *nfsd,
 989                            struct nfssvc_sock *slp,
 990                            proc_t procp, mbuf_t *mrq);
 991 int     nfsrv_readdirplus(struct nfsrv_descript *nfsd,
 992                                struct nfssvc_sock *slp, proc_t procp,
 993                                mbuf_t *mrq);
 994 int     nfsrv_readlink(struct nfsrv_descript *nfsd,
 995                             struct nfssvc_sock *slp, proc_t procp,
 996                             mbuf_t *mrq);
 997 int     nfsrv_remove(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
 998                           proc_t procp, mbuf_t *mrq);
 999 int     nfsrv_rename(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
1000                           proc_t procp, mbuf_t *mrq);
1001 int     nfsrv_rmdir(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
1002                          proc_t procp, mbuf_t *mrq);
1003 int     nfsrv_setattr(struct nfsrv_descript *nfsd,
1004                            struct nfssvc_sock *slp,
1005                            proc_t procp, mbuf_t *mrq);
1006 void    nfsrv_slpderef(struct nfssvc_sock *slp);
1007 void    nfsrv_slpfree(struct nfssvc_sock *slp);
1008 int     nfsrv_statfs(struct nfsrv_descript *nfsd,
1009                           struct nfssvc_sock *slp,
1010                           proc_t procp, mbuf_t *mrq);
1011 int     nfsrv_symlink(struct nfsrv_descript *nfsd,
1012                            struct nfssvc_sock *slp,
1013                            proc_t procp, mbuf_t *mrq);
1014 int     nfsrv_write(struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
1015                          proc_t procp, mbuf_t *mrq);
1016 int     nfsrv_vptofh( struct nfs_export *, int, struct nfs_filehandle *,
1017                         vnode_t, struct vfs_context *, struct nfs_filehandle *);
1018
1019 void    nfs_up(struct nfsmount *, proc_t, int, const char *);
1020 void    nfs_down(struct nfsmount *, proc_t, int, int, const char *);
1021
1022 struct nfs_diskless;
1023 int     nfs_boot_init(struct nfs_diskless *nd, proc_t procp);
1024 int     nfs_boot_getfh(struct nfs_diskless *nd, proc_t procp, int v3, int sotype);
1025
1026 __END_DECLS
1027
1028 #endif  /* KERNEL */
1029 #endif /* __APPLE_API_PRIVATE */
1030
1031 #endif