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1 /*
2 * Copyright (c) 2000-2009 Apple Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28 /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
29 /*
30 * Copyright (c) 1989, 1993, 1995
31 * The Regents of the University of California. All rights reserved.
32 *
33 * This code is derived from software contributed to Berkeley by
34 * Rick Macklem at The University of Guelph.
35 *
36 * Redistribution and use in source and binary forms, with or without
37 * modification, are permitted provided that the following conditions
38 * are met:
39 * 1. Redistributions of source code must retain the above copyright
40 * notice, this list of conditions and the following disclaimer.
41 * 2. Redistributions in binary form must reproduce the above copyright
42 * notice, this list of conditions and the following disclaimer in the
43 * documentation and/or other materials provided with the distribution.
44 * 3. All advertising materials mentioning features or use of this software
45 * must display the following acknowledgement:
46 * This product includes software developed by the University of
47 * California, Berkeley and its contributors.
48 * 4. Neither the name of the University nor the names of its contributors
49 * may be used to endorse or promote products derived from this software
50 * without specific prior written permission.
51 *
52 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
53 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
54 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
55 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
56 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
57 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
58 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
59 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
60 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
61 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
62 * SUCH DAMAGE.
63 *
64 * @(#)nfs.h 8.4 (Berkeley) 5/1/95
65 * FreeBSD-Id: nfs.h,v 1.32 1997/10/12 20:25:38 phk Exp $
66 */
67
68 #ifndef _NFS_NFS_H_
69 #define _NFS_NFS_H_
70
71 #include <sys/appleapiopts.h>
72 #include <sys/cdefs.h>
73
74 #ifdef __APPLE_API_PRIVATE
75 /*
76 * Tunable constants for nfs
77 */
78
79 #define NFS_TICKINTVL 5 /* Desired time for a tick (msec) */
80 #define NFS_HZ (hz / nfs_ticks) /* Ticks/sec */
81 __private_extern__ int nfs_ticks;
82 #define NFS_TIMEO (1 * NFS_HZ) /* Default timeout = 1 second */
83 #define NFS_MINTIMEO (1 * NFS_HZ) /* Min timeout to use */
84 #define NFS_MAXTIMEO (60 * NFS_HZ) /* Max timeout to backoff to */
85 #define NFS_MINIDEMTIMEO (5 * NFS_HZ) /* Min timeout for non-idempotent ops*/
86 #define NFS_MAXREXMIT 100 /* Stop counting after this many */
87 #define NFS_RETRANS 10 /* Num of retrans for soft mounts */
88 #define NFS_TRYLATERDEL 4 /* Initial try later delay (sec) */
89 #define NFS_MAXGRPS 16 /* Max. size of groups list */
90 #define NFS_MINATTRTIMO 5 /* Attribute cache timeout in sec */
91 #define NFS_MAXATTRTIMO 60
92 #define NFS_MINDIRATTRTIMO 5 /* directory attribute cache timeout in sec */
93 #define NFS_MAXDIRATTRTIMO 60
94 #define NFS_IOSIZE (1024 * 1024) /* suggested I/O size */
95 #define NFS_RWSIZE 32768 /* Def. read/write data size <= 32K */
96 #define NFS_WSIZE NFS_RWSIZE /* Def. write data size <= 32K */
97 #define NFS_RSIZE NFS_RWSIZE /* Def. read data size <= 32K */
98 #define NFS_DGRAM_WSIZE 8192 /* UDP Def. write data size <= 8K */
99 #define NFS_DGRAM_RSIZE 8192 /* UDP Def. read data size <= 8K */
100 #define NFS_READDIRSIZE 32768 /* Def. readdir size */
101 #define NFS_DEFRAHEAD 16 /* Def. read ahead # blocks */
102 #define NFS_MAXRAHEAD 128 /* Max. read ahead # blocks */
103 #define NFS_DEFMAXASYNCWRITES 128 /* Def. max # concurrent async write RPCs */
104 #define NFS_DEFASYNCTHREAD 16 /* Def. # nfsiod threads */
105 #define NFS_MAXASYNCTHREAD 64 /* max # nfsiod threads */
106 #define NFS_ASYNCTHREADMAXIDLE 60 /* Seconds before idle nfsiods are reaped */
107 #define NFS_DEFSTATFSRATELIMIT 10 /* Def. max # statfs RPCs per second */
108 #define NFS_REQUESTDELAY 10 /* ms interval to check request queue */
109 #define NFSRV_DEADSOCKDELAY 5 /* Seconds before dead sockets are reaped */
110 #define NFSRV_MAXWGATHERDELAY 100 /* Max. write gather delay (msec) */
111 #ifndef NFSRV_WGATHERDELAY
112 #define NFSRV_WGATHERDELAY 1 /* Default write gather delay (msec) */
113 #endif
114 #define NFS_DIRBLKSIZ 4096 /* size of NFS directory buffers */
115 #if defined(KERNEL) && !defined(DIRBLKSIZ)
116 #define DIRBLKSIZ 512 /* XXX we used to use ufs's DIRBLKSIZ */
117 /* can't be larger than NFS_FABLKSIZE */
118 #endif
119
120 /* default values for unresponsive mount timeouts */
121 #define NFS_TPRINTF_INITIAL_DELAY 12
122 #define NFS_TPRINTF_DELAY 30
123
124 /*
125 * Oddballs
126 */
127 #define NFS_CMPFH(n, f, s) \
128 ((n)->n_fhsize == (s) && !bcmp((caddr_t)(n)->n_fhp, (caddr_t)(f), (s)))
129 #define NFSRV_NDMAXDATA(n) \
130 (((n)->nd_vers == NFS_VER3) ? (((n)->nd_nam2) ? \
131 NFS_MAXDGRAMDATA : NFSRV_MAXDATA) : NFS_V2MAXDATA)
132
133 /*
134 * The IO_METASYNC flag should be implemented for local file systems.
135 * (Until then, it is nothin at all.)
136 */
137 #ifndef IO_METASYNC
138 #define IO_METASYNC 0
139 #endif
140
141 /*
142 * Expected allocation sizes for major data structures. If the actual size
143 * of the structure exceeds these sizes, then malloc() will be allocating
144 * almost twice the memory required. This is used in nfs_init() to warn
145 * the sysadmin that the size of a structure should be reduced.
146 * (These sizes are always a power of 2. If the kernel malloc() changes
147 * to one that does not allocate space in powers of 2 size, then this all
148 * becomes bunk!).
149 * Note that some of these structures come out of there own nfs zones.
150 */
151 #define NFS_NODEALLOC 1024
152 #define NFS_MNTALLOC 1024
153 #define NFS_SVCALLOC 512
154
155 /*
156 * Arguments to mount NFS
157 */
158 #define NFS_ARGSVERSION 6 /* change when nfs_args changes */
159 struct nfs_args {
160 int version; /* args structure version number */
161 #ifdef KERNEL
162 user32_addr_t addr; /* file server address */
163 #else
164 struct sockaddr *addr; /* file server address */
165 #endif
166 int addrlen; /* length of address */
167 int sotype; /* Socket type */
168 int proto; /* and Protocol */
169 #ifdef KERNEL
170 user32_addr_t fh; /* File handle to be mounted */
171 #else
172 u_char *fh; /* File handle to be mounted */
173 #endif
174 int fhsize; /* Size, in bytes, of fh */
175 int flags; /* flags */
176 int wsize; /* write size in bytes */
177 int rsize; /* read size in bytes */
178 int readdirsize; /* readdir size in bytes */
179 int timeo; /* initial timeout in .1 secs */
180 int retrans; /* times to retry send */
181 int maxgrouplist; /* Max. size of group list */
182 int readahead; /* # of blocks to readahead */
183 int leaseterm; /* obsolete: Term (sec) of lease */
184 int deadthresh; /* obsolete: Retrans threshold */
185 #ifdef KERNEL
186 user32_addr_t hostname; /* server's name */
187 #else
188 char *hostname; /* server's name */
189 #endif
190 /* NFS_ARGSVERSION 3 ends here */
191 int acregmin; /* reg file min attr cache timeout */
192 int acregmax; /* reg file max attr cache timeout */
193 int acdirmin; /* dir min attr cache timeout */
194 int acdirmax; /* dir max attr cache timeout */
195 /* NFS_ARGSVERSION 4 ends here */
196 uint32_t auth; /* security mechanism flavor */
197 /* NFS_ARGSVERSION 5 ends here */
198 uint32_t deadtimeout; /* secs until unresponsive mount considered dead */
199 };
200 struct nfs_args5 {
201 int version; /* args structure version number */
202 #ifdef KERNEL
203 user32_addr_t addr; /* file server address */
204 #else
205 struct sockaddr *addr; /* file server address */
206 #endif
207 int addrlen; /* length of address */
208 int sotype; /* Socket type */
209 int proto; /* and Protocol */
210 #ifdef KERNEL
211 user32_addr_t fh; /* File handle to be mounted */
212 #else
213 u_char *fh; /* File handle to be mounted */
214 #endif
215 int fhsize; /* Size, in bytes, of fh */
216 int flags; /* flags */
217 int wsize; /* write size in bytes */
218 int rsize; /* read size in bytes */
219 int readdirsize; /* readdir size in bytes */
220 int timeo; /* initial timeout in .1 secs */
221 int retrans; /* times to retry send */
222 int maxgrouplist; /* Max. size of group list */
223 int readahead; /* # of blocks to readahead */
224 int leaseterm; /* obsolete: Term (sec) of lease */
225 int deadthresh; /* obsolete: Retrans threshold */
226 #ifdef KERNEL
227 user32_addr_t hostname; /* server's name */
228 #else
229 char *hostname; /* server's name */
230 #endif
231 /* NFS_ARGSVERSION 3 ends here */
232 int acregmin; /* reg file min attr cache timeout */
233 int acregmax; /* reg file max attr cache timeout */
234 int acdirmin; /* dir min attr cache timeout */
235 int acdirmax; /* dir max attr cache timeout */
236 /* NFS_ARGSVERSION 4 ends here */
237 uint32_t auth; /* security mechanism flavor */
238 };
239 struct nfs_args4 {
240 int version; /* args structure version number */
241 #ifdef KERNEL
242 user32_addr_t addr; /* file server address */
243 #else
244 struct sockaddr *addr; /* file server address */
245 #endif
246 int addrlen; /* length of address */
247 int sotype; /* Socket type */
248 int proto; /* and Protocol */
249 #ifdef KERNEL
250 user32_addr_t fh; /* File handle to be mounted */
251 #else
252 u_char *fh; /* File handle to be mounted */
253 #endif
254 int fhsize; /* Size, in bytes, of fh */
255 int flags; /* flags */
256 int wsize; /* write size in bytes */
257 int rsize; /* read size in bytes */
258 int readdirsize; /* readdir size in bytes */
259 int timeo; /* initial timeout in .1 secs */
260 int retrans; /* times to retry send */
261 int maxgrouplist; /* Max. size of group list */
262 int readahead; /* # of blocks to readahead */
263 int leaseterm; /* obsolete: Term (sec) of lease */
264 int deadthresh; /* obsolete: Retrans threshold */
265 #ifdef KERNEL
266 user32_addr_t hostname; /* server's name */
267 #else
268 char *hostname; /* server's name */
269 #endif
270 /* NFS_ARGSVERSION 3 ends here */
271 int acregmin; /* reg file min attr cache timeout */
272 int acregmax; /* reg file max attr cache timeout */
273 int acdirmin; /* dir min attr cache timeout */
274 int acdirmax; /* dir max attr cache timeout */
275 };
276
277 struct nfs_args3 {
278 int version; /* args structure version number */
279 #ifdef KERNEL
280 user32_addr_t addr; /* file server address */
281 #else
282 struct sockaddr *addr; /* file server address */
283 #endif
284 int addrlen; /* length of address */
285 int sotype; /* Socket type */
286 int proto; /* and Protocol */
287 #ifdef KERNEL
288 user32_addr_t fh; /* File handle to be mounted */
289 #else
290 u_char *fh; /* File handle to be mounted */
291 #endif
292 int fhsize; /* Size, in bytes, of fh */
293 int flags; /* flags */
294 int wsize; /* write size in bytes */
295 int rsize; /* read size in bytes */
296 int readdirsize; /* readdir size in bytes */
297 int timeo; /* initial timeout in .1 secs */
298 int retrans; /* times to retry send */
299 int maxgrouplist; /* Max. size of group list */
300 int readahead; /* # of blocks to readahead */
301 int leaseterm; /* obsolete: Term (sec) of lease */
302 int deadthresh; /* obsolete: Retrans threshold */
303 #ifdef KERNEL
304 user32_addr_t hostname; /* server's name */
305 #else
306 char *hostname; /* server's name */
307 #endif
308 };
309
310 #ifdef KERNEL
311 /* LP64 version of nfs_args. all pointers and longs
312 * grow when we're dealing with a 64-bit process.
313 * WARNING - keep in sync with nfs_args
314 */
315 struct user_nfs_args {
316 int version; /* args structure version number */
317 user_addr_t addr __attribute((aligned(8))); /* file server address */
318 int addrlen; /* length of address */
319 int sotype; /* Socket type */
320 int proto; /* and Protocol */
321 user_addr_t fh __attribute((aligned(8))); /* File handle to be mounted */
322 int fhsize; /* Size, in bytes, of fh */
323 int flags; /* flags */
324 int wsize; /* write size in bytes */
325 int rsize; /* read size in bytes */
326 int readdirsize; /* readdir size in bytes */
327 int timeo; /* initial timeout in .1 secs */
328 int retrans; /* times to retry send */
329 int maxgrouplist; /* Max. size of group list */
330 int readahead; /* # of blocks to readahead */
331 int leaseterm; /* obsolete: Term (sec) of lease */
332 int deadthresh; /* obsolete: Retrans threshold */
333 user_addr_t hostname __attribute((aligned(8))); /* server's name */
334 /* NFS_ARGSVERSION 3 ends here */
335 int acregmin; /* reg file min attr cache timeout */
336 int acregmax; /* reg file max attr cache timeout */
337 int acdirmin; /* dir min attr cache timeout */
338 int acdirmax; /* dir max attr cache timeout */
339 /* NFS_ARGSVERSION 4 ends here */
340 uint32_t auth; /* security mechanism flavor */
341 /* NFS_ARGSVERSION 5 ends here */
342 uint32_t deadtimeout; /* secs until unresponsive mount considered dead */
343 };
344 struct user_nfs_args5 {
345 int version; /* args structure version number */
346 user_addr_t addr __attribute((aligned(8))); /* file server address */
347 int addrlen; /* length of address */
348 int sotype; /* Socket type */
349 int proto; /* and Protocol */
350 user_addr_t fh __attribute((aligned(8))); /* File handle to be mounted */
351 int fhsize; /* Size, in bytes, of fh */
352 int flags; /* flags */
353 int wsize; /* write size in bytes */
354 int rsize; /* read size in bytes */
355 int readdirsize; /* readdir size in bytes */
356 int timeo; /* initial timeout in .1 secs */
357 int retrans; /* times to retry send */
358 int maxgrouplist; /* Max. size of group list */
359 int readahead; /* # of blocks to readahead */
360 int leaseterm; /* obsolete: Term (sec) of lease */
361 int deadthresh; /* obsolete: Retrans threshold */
362 user_addr_t hostname __attribute((aligned(8))); /* server's name */
363 /* NFS_ARGSVERSION 3 ends here */
364 int acregmin; /* reg file min attr cache timeout */
365 int acregmax; /* reg file max attr cache timeout */
366 int acdirmin; /* dir min attr cache timeout */
367 int acdirmax; /* dir max attr cache timeout */
368 /* NFS_ARGSVERSION 4 ends here */
369 uint32_t auth; /* security mechanism flavor */
370 };
371 struct user_nfs_args4 {
372 int version; /* args structure version number */
373 user_addr_t addr __attribute((aligned(8))); /* file server address */
374 int addrlen; /* length of address */
375 int sotype; /* Socket type */
376 int proto; /* and Protocol */
377 user_addr_t fh __attribute((aligned(8))); /* File handle to be mounted */
378 int fhsize; /* Size, in bytes, of fh */
379 int flags; /* flags */
380 int wsize; /* write size in bytes */
381 int rsize; /* read size in bytes */
382 int readdirsize; /* readdir size in bytes */
383 int timeo; /* initial timeout in .1 secs */
384 int retrans; /* times to retry send */
385 int maxgrouplist; /* Max. size of group list */
386 int readahead; /* # of blocks to readahead */
387 int leaseterm; /* obsolete: Term (sec) of lease */
388 int deadthresh; /* obsolete: Retrans threshold */
389 user_addr_t hostname __attribute((aligned(8))); /* server's name */
390 /* NFS_ARGSVERSION 3 ends here */
391 int acregmin; /* reg file min attr cache timeout */
392 int acregmax; /* reg file max attr cache timeout */
393 int acdirmin; /* dir min attr cache timeout */
394 int acdirmax; /* dir max attr cache timeout */
395 };
396 struct user_nfs_args3 {
397 int version; /* args structure version number */
398 user_addr_t addr __attribute((aligned(8))); /* file server address */
399 int addrlen; /* length of address */
400 int sotype; /* Socket type */
401 int proto; /* and Protocol */
402 user_addr_t fh __attribute((aligned(8))); /* File handle to be mounted */
403 int fhsize; /* Size, in bytes, of fh */
404 int flags; /* flags */
405 int wsize; /* write size in bytes */
406 int rsize; /* read size in bytes */
407 int readdirsize; /* readdir size in bytes */
408 int timeo; /* initial timeout in .1 secs */
409 int retrans; /* times to retry send */
410 int maxgrouplist; /* Max. size of group list */
411 int readahead; /* # of blocks to readahead */
412 int leaseterm; /* obsolete: Term (sec) of lease */
413 int deadthresh; /* obsolete: Retrans threshold */
414 user_addr_t hostname __attribute((aligned(8))); /* server's name */
415 };
416
417 #endif // KERNEL
418
419 /*
420 * NFS mount option flags
421 */
422 #define NFSMNT_SOFT 0x00000001 /* soft mount (hard is default) */
423 #define NFSMNT_WSIZE 0x00000002 /* set write size */
424 #define NFSMNT_RSIZE 0x00000004 /* set read size */
425 #define NFSMNT_TIMEO 0x00000008 /* set initial timeout */
426 #define NFSMNT_RETRANS 0x00000010 /* set number of request retries */
427 #define NFSMNT_MAXGRPS 0x00000020 /* set maximum grouplist size */
428 #define NFSMNT_INT 0x00000040 /* allow interrupts on hard mount */
429 #define NFSMNT_NOCONN 0x00000080 /* Don't Connect the socket */
430 #define NFSMNT_NONEGNAMECACHE 0x00000100 /* Don't do negative name caching */
431 #define NFSMNT_NFSV3 0x00000200 /* Use NFS Version 3 protocol */
432 #define NFSMNT_NFSV4 0x00000400 /* Use NFS Version 4 protocol */
433 #define NFSMNT_DUMBTIMR 0x00000800 /* Don't estimate rtt dynamically */
434 #define NFSMNT_DEADTIMEOUT 0x00001000 /* unmount after a period of unresponsiveness */
435 #define NFSMNT_READAHEAD 0x00002000 /* set read ahead */
436 #define NFSMNT_CALLUMNT 0x00004000 /* call MOUNTPROC_UMNT on unmount */
437 #define NFSMNT_RESVPORT 0x00008000 /* Allocate a reserved port */
438 #define NFSMNT_RDIRPLUS 0x00010000 /* Use Readdirplus for V3 */
439 #define NFSMNT_READDIRSIZE 0x00020000 /* Set readdir size */
440 #define NFSMNT_NOLOCKS 0x00040000 /* don't support file locking */
441 #define NFSMNT_LOCALLOCKS 0x00080000 /* do file locking locally on client */
442 #define NFSMNT_ACREGMIN 0x00100000 /* reg min attr cache timeout */
443 #define NFSMNT_ACREGMAX 0x00200000 /* reg max attr cache timeout */
444 #define NFSMNT_ACDIRMIN 0x00400000 /* dir min attr cache timeout */
445 #define NFSMNT_ACDIRMAX 0x00800000 /* dir max attr cache timeout */
446 #define NFSMNT_SECFLAVOR 0x01000000 /* Use security flavor */
447 #define NFSMNT_SECSYSOK 0x02000000 /* Server can support auth sys */
448 #define NFSMNT_MUTEJUKEBOX 0x04000000 /* don't treat jukebox errors as unresponsive */
449
450 /*
451 * Structures for the nfssvc(2) syscall. Not that anyone but nfsd
452 * should ever try and use it.
453 */
454 struct nfsd_args {
455 int sock; /* Socket to serve */
456 #ifdef KERNEL
457 user32_addr_t name; /* Client addr for connection based sockets */
458 #else
459 caddr_t name; /* Client addr for connection based sockets */
460 #endif
461 int namelen; /* Length of name */
462 };
463
464 #ifdef KERNEL
465 /* LP64 version of nfsd_args. all pointers and longs
466 * grow when we're dealing with a 64-bit process.
467 * WARNING - keep in sync with nfsd_args
468 */
469 struct user_nfsd_args {
470 int sock; /* Socket to serve */
471 user_addr_t name __attribute((aligned(8))); /* Client addr for connection based sockets */
472 int namelen; /* Length of name */
473 };
474
475 #endif // KERNEL
476
477 /*
478 * NFS Server File Handle structures
479 */
480
481 /* NFS export handle identifies which NFS export */
482 #define NFS_FH_VERSION 0x4e580000 /* 'NX00' */
483 struct nfs_exphandle {
484 uint32_t nxh_version; /* data structure version */
485 uint32_t nxh_fsid; /* File System Export ID */
486 uint32_t nxh_expid; /* Export ID */
487 uint16_t nxh_flags; /* export handle flags */
488 uint8_t nxh_reserved; /* future use */
489 uint8_t nxh_fidlen; /* length of File ID */
490 };
491
492 /* nxh_flags */
493 #define NXHF_INVALIDFH 0x0001 /* file handle is invalid */
494
495 #define NFS_MAX_FID_SIZE (NFS_MAX_FH_SIZE - sizeof(struct nfs_exphandle))
496 #define NFSV4_MAX_FID_SIZE (NFSV4_MAX_FH_SIZE - sizeof(struct nfs_exphandle))
497 #define NFSV3_MAX_FID_SIZE (NFSV3_MAX_FH_SIZE - sizeof(struct nfs_exphandle))
498 #define NFSV2_MAX_FID_SIZE (NFSV2_MAX_FH_SIZE - sizeof(struct nfs_exphandle))
499
500 /* NFS server internal view of fhandle_t */
501 /* The first sizeof(fhandle_t) bytes must match what goes into fhandle_t. */
502 /* (fhp is used to allow use of an external buffer) */
503 struct nfs_filehandle {
504 uint32_t nfh_len; /* total length of file handle */
505 struct nfs_exphandle nfh_xh; /* export handle */
506 unsigned char nfh_fid[NFS_MAX_FID_SIZE]; /* File ID */
507 unsigned char *nfh_fhp; /* pointer to file handle */
508 };
509
510 /*
511 * NFS export data structures
512 */
513
514 /* Structure to hold an array of security flavors */
515 #define NX_MAX_SEC_FLAVORS 5
516 struct nfs_sec {
517 int count;
518 uint32_t flavors[NX_MAX_SEC_FLAVORS];
519 };
520
521 struct nfs_export_net_args {
522 uint32_t nxna_flags; /* export flags */
523 struct xucred nxna_cred; /* mapped credential for root/all user */
524 struct sockaddr_storage nxna_addr; /* net address to which exported */
525 struct sockaddr_storage nxna_mask; /* mask for net address */
526 struct nfs_sec nxna_sec; /* security mechanism flavors */
527 };
528
529 struct nfs_export_args {
530 uint32_t nxa_fsid; /* export FS ID */
531 uint32_t nxa_expid; /* export ID */
532 #ifdef KERNEL
533 user32_addr_t nxa_fspath; /* export FS path */
534 user32_addr_t nxa_exppath; /* export sub-path */
535 #else
536 char *nxa_fspath; /* export FS path */
537 char *nxa_exppath; /* export sub-path */
538 #endif
539 uint32_t nxa_flags; /* export arg flags */
540 uint32_t nxa_netcount; /* #entries in ex_nets array */
541 #ifdef KERNEL
542 user32_addr_t nxa_nets; /* array of net args */
543 #else
544 struct nfs_export_net_args *nxa_nets; /* array of net args */
545 #endif
546 };
547
548 #ifdef KERNEL
549 /* LP64 version of export_args */
550
551 struct user_nfs_export_args {
552 uint32_t nxa_fsid; /* export FS ID */
553 uint32_t nxa_expid; /* export ID */
554 user_addr_t nxa_fspath; /* export FS path */
555 user_addr_t nxa_exppath; /* export sub-path */
556 uint32_t nxa_flags; /* export arg flags */
557 uint32_t nxa_netcount; /* #entries in ex_nets array */
558 user_addr_t nxa_nets; /* array of net args */
559 };
560
561 #endif /* KERNEL */
562
563 /* nfs export arg flags */
564 #define NXA_DELETE 0x0001 /* delete the specified export(s) */
565 #define NXA_ADD 0x0002 /* add the specified export(s) */
566 #define NXA_REPLACE 0x0003 /* delete and add the specified export(s) */
567 #define NXA_DELETE_ALL 0x0004 /* delete all exports */
568 #define NXA_OFFLINE 0x0008 /* export is offline */
569 #define NXA_CHECK 0x0010 /* check if exportable */
570
571 /* export option flags */
572 #define NX_READONLY 0x0001 /* exported read-only */
573 #define NX_DEFAULTEXPORT 0x0002 /* exported to the world */
574 #define NX_MAPROOT 0x0004 /* map root access to anon credential */
575 #define NX_MAPALL 0x0008 /* map all access to anon credential */
576 #define NX_32BITCLIENTS 0x0020 /* restrict directory cookies to 32 bits */
577 #define NX_OFFLINE 0x0040 /* export is offline */
578
579 /*
580 * fs.nfs sysctl(3) export stats record structures
581 */
582 #define NFS_EXPORT_STAT_REC_VERSION 1 /* export stat record version */
583 #define NFS_USER_STAT_REC_VERSION 1 /* active user list record version */
584
585 /* descriptor describing following records */
586 struct nfs_export_stat_desc
587 {
588 uint32_t rec_vers; /* version of export stat records */
589 uint32_t rec_count; /* total record count */
590 }__attribute__((__packed__));
591
592 /* export stat record containing path and stat counters */
593 struct nfs_export_stat_rec {
594 char path[RPCMNT_PATHLEN + 1];
595 uint64_t ops; /* Count of NFS Requests received for this export */
596 uint64_t bytes_read; /* Count of bytes read from this export */
597 uint64_t bytes_written; /* Count of bytes written to this export */
598 }__attribute__((__packed__));
599
600 /* Active user list stat buffer descriptor */
601 struct nfs_user_stat_desc
602 {
603 uint32_t rec_vers; /* version of active user stat records */
604 uint32_t rec_count; /* total record count */
605 }__attribute__((__packed__));
606
607 /* Active user list user stat record format */
608 struct nfs_user_stat_user_rec {
609 u_char rec_type;
610 uid_t uid;
611 struct sockaddr_storage sock;
612 uint64_t ops;
613 uint64_t bytes_read;
614 uint64_t bytes_written;
615 uint32_t tm_start;
616 uint32_t tm_last;
617 }__attribute__((__packed__));
618
619 /* Active user list path record format */
620 struct nfs_user_stat_path_rec {
621 u_char rec_type;
622 char path[RPCMNT_PATHLEN + 1];
623 }__attribute__((__packed__));
624
625 /* Defines for rec_type field of
626 * nfs_user_stat_rec & nfs_user_stat_rec
627 * data structures
628 */
629 #define NFS_USER_STAT_USER_REC 0
630 #define NFS_USER_STAT_PATH_REC 1
631
632
633 #ifdef KERNEL
634 struct nfs_exportfs;
635
636 struct nfs_export_options {
637 uint32_t nxo_flags; /* export options */
638 kauth_cred_t nxo_cred; /* mapped credential */
639 struct nfs_sec nxo_sec; /* security mechanism flavors */
640 };
641
642 /* Network address lookup element and individual export options */
643 struct nfs_netopt {
644 struct radix_node no_rnodes[2]; /* radix tree glue */
645 struct nfs_export_options no_opt; /* export options */
646 };
647
648 /* statistic counters for each exported directory
649 *
650 * Since 64-bit atomic operations are not available on 32-bit platforms,
651 * 64-bit counters are implemented using 32-bit integers and 32-bit
652 * atomic operations
653 */
654 typedef struct nfsstatcount64 {
655 uint32_t hi;
656 uint32_t lo;
657 } nfsstatcount64;
658
659 struct nfs_export_stat_counters {
660 struct nfsstatcount64 ops; /* Count of NFS Requests received for this export */
661 struct nfsstatcount64 bytes_read; /* Count of bytes read from this export */
662 struct nfsstatcount64 bytes_written; /* Count of bytes written to his export */
663 }__attribute__((__packed__));
664
665 /* Macro for updating nfs export stat counters */
666 #define NFSStatAdd64(PTR, VAL) \
667 do { \
668 uint32_t NFSSA_OldValue = \
669 OSAddAtomic((VAL), &(PTR)->lo); \
670 if ((NFSSA_OldValue + (VAL)) < NFSSA_OldValue) \
671 OSAddAtomic(1, &(PTR)->hi); \
672 } while (0)
673
674 /* Some defines for dealing with active user list stats */
675 #define NFSRV_USER_STAT_DEF_MAX_NODES 1024 /* default active user list size limit */
676 #define NFSRV_USER_STAT_DEF_IDLE_SEC 7200 /* default idle seconds (node no longer considered active) */
677
678 /* active user list globals */
679 __private_extern__ uint32_t nfsrv_user_stat_enabled; /* enable/disable active user list */
680 __private_extern__ uint32_t nfsrv_user_stat_node_count; /* current count of user stat nodes */
681 __private_extern__ uint32_t nfsrv_user_stat_max_idle_sec; /* idle seconds (node no longer considered active) */
682 __private_extern__ uint32_t nfsrv_user_stat_max_nodes; /* active user list size limit */
683 __private_extern__ lck_grp_t *nfsrv_active_user_mutex_group;
684
685 /* An active user node represented in the kernel */
686 struct nfs_user_stat_node {
687 TAILQ_ENTRY(nfs_user_stat_node) lru_link;
688 LIST_ENTRY(nfs_user_stat_node) hash_link;
689 uid_t uid;
690 struct sockaddr_storage sock;
691 uint64_t ops;
692 uint64_t bytes_read;
693 uint64_t bytes_written;
694 uint32_t tm_start;
695 uint32_t tm_last;
696 };
697
698 /* Hash table for active user nodes */
699 #define NFS_USER_STAT_HASH_SIZE 16 /* MUST be a power of 2 */
700 #define NFS_USER_STAT_HASH(userhashtbl, uid) \
701 &((userhashtbl)[(uid) & (NFS_USER_STAT_HASH_SIZE - 1)])
702
703 TAILQ_HEAD(nfs_user_stat_lru_head, nfs_user_stat_node);
704 LIST_HEAD(nfs_user_stat_hashtbl_head, nfs_user_stat_node);
705
706 /* Active user list data structure */
707 /* One per exported directory */
708 struct nfs_active_user_list {
709 struct nfs_user_stat_lru_head user_lru;
710 struct nfs_user_stat_hashtbl_head user_hashtbl[NFS_USER_STAT_HASH_SIZE];
711 uint32_t node_count;
712 lck_mtx_t user_mutex;
713 };
714
715
716 /* Network export information */
717 /* one of these for each exported directory */
718 struct nfs_export {
719 LIST_ENTRY(nfs_export) nx_next; /* FS export list */
720 LIST_ENTRY(nfs_export) nx_hash; /* export hash chain */
721 struct nfs_export *nx_parent; /* parent export */
722 uint32_t nx_id; /* export ID */
723 uint32_t nx_flags; /* export flags */
724 struct nfs_exportfs *nx_fs; /* exported file system */
725 char *nx_path; /* exported file system sub-path */
726 struct nfs_filehandle nx_fh; /* export root file handle */
727 struct nfs_export_options nx_defopt; /* default options */
728 uint32_t nx_expcnt; /* # exports in table */
729 struct radix_node_head *nx_rtable[AF_MAX+1]; /* table of exports (netopts) */
730 struct nfs_export_stat_counters nx_stats; /* statistic counters for this exported directory */
731 struct nfs_active_user_list nx_user_list; /* Active User List for this exported directory */
732 struct timeval nx_exptime; /* time of export for write verifier */
733 };
734
735 /* NFS exported file system info */
736 /* one of these for each exported file system */
737 struct nfs_exportfs {
738 LIST_ENTRY(nfs_exportfs) nxfs_next; /* exported file system list */
739 uint32_t nxfs_id; /* exported file system ID */
740 char *nxfs_path; /* exported file system path */
741 LIST_HEAD(,nfs_export) nxfs_exports; /* list of exports for this file system */
742 };
743
744 __private_extern__ LIST_HEAD(nfsrv_expfs_list, nfs_exportfs) nfsrv_exports;
745 __private_extern__ lck_rw_t nfsrv_export_rwlock; // lock for export data structures
746 #define NFSRVEXPHASHSZ 64
747 #define NFSRVEXPHASHVAL(FSID, EXPID) \
748 (((FSID) >> 24) ^ ((FSID) >> 16) ^ ((FSID) >> 8) ^ (EXPID))
749 #define NFSRVEXPHASH(FSID, EXPID) \
750 (&nfsrv_export_hashtbl[NFSRVEXPHASHVAL((FSID),(EXPID)) & nfsrv_export_hash])
751 __private_extern__ LIST_HEAD(nfsrv_export_hashhead, nfs_export) *nfsrv_export_hashtbl;
752 __private_extern__ u_long nfsrv_export_hash;
753
754 #if CONFIG_FSE
755 /*
756 * NFS server file mod fsevents
757 */
758 struct nfsrv_fmod {
759 LIST_ENTRY(nfsrv_fmod) fm_link;
760 vnode_t fm_vp;
761 struct vfs_context fm_context;
762 uint64_t fm_deadline;
763 };
764
765 #define NFSRVFMODHASHSZ 128
766 #define NFSRVFMODHASH(vp) (((uintptr_t) vp) & nfsrv_fmod_hash)
767 __private_extern__ LIST_HEAD(nfsrv_fmod_hashhead, nfsrv_fmod) *nfsrv_fmod_hashtbl;
768 __private_extern__ u_long nfsrv_fmod_hash;
769 __private_extern__ lck_mtx_t *nfsrv_fmod_mutex;
770 __private_extern__ int nfsrv_fmod_pending, nfsrv_fsevents_enabled;
771 #endif
772
773 __private_extern__ int nfsrv_async, nfsrv_export_hash_size,
774 nfsrv_reqcache_size, nfsrv_sock_max_rec_queue_length;
775 __private_extern__ uint32_t nfsrv_gss_context_ttl;
776 __private_extern__ struct nfsstats nfsstats;
777
778 #endif // KERNEL
779
780 /*
781 * XXX to allow amd to include nfs.h without nfsproto.h
782 */
783 #ifdef NFS_NPROCS
784 /*
785 * Stats structure
786 */
787 struct nfsstats {
788 int attrcache_hits;
789 int attrcache_misses;
790 int lookupcache_hits;
791 int lookupcache_misses;
792 int direofcache_hits;
793 int direofcache_misses;
794 int biocache_reads;
795 int read_bios;
796 int read_physios;
797 int biocache_writes;
798 int write_bios;
799 int write_physios;
800 int biocache_readlinks;
801 int readlink_bios;
802 int biocache_readdirs;
803 int readdir_bios;
804 int rpccnt[NFS_NPROCS];
805 int rpcretries;
806 int srvrpccnt[NFS_NPROCS];
807 int srvrpc_errs;
808 int srv_errs;
809 int rpcrequests;
810 int rpctimeouts;
811 int rpcunexpected;
812 int rpcinvalid;
813 int srvcache_inproghits;
814 int srvcache_idemdonehits;
815 int srvcache_nonidemdonehits;
816 int srvcache_misses;
817 int srvvop_writes;
818 int pageins;
819 int pageouts;
820 };
821 #endif
822
823 /*
824 * Flags for nfssvc() system call.
825 */
826 #define NFSSVC_NFSD 0x004
827 #define NFSSVC_ADDSOCK 0x008
828 #define NFSSVC_EXPORT 0x200
829
830 /*
831 * Flags for nfsclnt() system call.
832 */
833 #define NFSCLNT_LOCKDANS 0x200
834
835 /*
836 * fs.nfs sysctl(3) identifiers
837 */
838 #define NFS_NFSSTATS 1 /* struct: struct nfsstats */
839 #define NFS_EXPORTSTATS 3 /* gets exported directory stats */
840 #define NFS_USERSTATS 4 /* gets exported directory active user stats */
841 #define NFS_USERCOUNT 5 /* gets current count of active nfs users */
842
843 #ifndef NFS_WDELAYHASHSIZ
844 #define NFS_WDELAYHASHSIZ 16 /* and with this */
845 #endif
846
847 #ifdef KERNEL
848 #include <sys/kernel_types.h>
849 #include <kern/thread_call.h>
850 #include <sys/kdebug.h>
851
852 #define NFS_KERNEL_DEBUG KERNEL_DEBUG
853
854 /* kernel debug trace macros */
855 #define FSDBG(A, B, C, D, E) \
856 NFS_KERNEL_DEBUG((FSDBG_CODE(DBG_FSRW, (A))) | DBG_FUNC_NONE, \
857 (int)(B), (int)(C), (int)(D), (int)(E), 0)
858 #define FSDBG_TOP(A, B, C, D, E) \
859 NFS_KERNEL_DEBUG((FSDBG_CODE(DBG_FSRW, (A))) | DBG_FUNC_START, \
860 (int)(B), (int)(C), (int)(D), (int)(E), 0)
861 #define FSDBG_BOT(A, B, C, D, E) \
862 NFS_KERNEL_DEBUG((FSDBG_CODE(DBG_FSRW, (A))) | DBG_FUNC_END, \
863 (int)(B), (int)(C), (int)(D), (int)(E), 0)
864
865 #ifdef MALLOC_DECLARE
866 MALLOC_DECLARE(M_NFSREQ);
867 MALLOC_DECLARE(M_NFSMNT);
868 MALLOC_DECLARE(M_NFSDIROFF);
869 MALLOC_DECLARE(M_NFSRVDESC);
870 MALLOC_DECLARE(M_NFSD);
871 MALLOC_DECLARE(M_NFSBIGFH);
872 #endif
873
874 struct vnode_attr; struct nameidata; struct dqblk; struct sockaddr_in; /* XXX */
875 struct nfsbuf;
876 struct nfs_vattr;
877 struct nfs_fsattr;
878 struct nfsnode;
879 typedef struct nfsnode * nfsnode_t;
880 struct nfs_open_owner;
881 struct nfs_open_file;
882 struct nfs_lock_owner;
883 struct nfs_file_lock;
884 struct nfsreq;
885
886 /*
887 * The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts.
888 * What should be in this set is open to debate, but I believe that since
889 * I/O system calls on ufs are never interrupted by signals the set should
890 * be minimal. My reasoning is that many current programs that use signals
891 * such as SIGALRM will not expect file I/O system calls to be interrupted
892 * by them and break.
893 */
894 #define NFSINT_SIGMASK (sigmask(SIGINT)|sigmask(SIGTERM)|sigmask(SIGKILL)| \
895 sigmask(SIGHUP)|sigmask(SIGQUIT))
896
897 __private_extern__ size_t nfs_mbuf_mhlen, nfs_mbuf_minclsize;
898
899 /*
900 * NFS mbuf chain structure used for managing the building/dissection of RPCs
901 */
902 struct nfsm_chain {
903 mbuf_t nmc_mhead; /* mbuf chain head */
904 mbuf_t nmc_mcur; /* current mbuf */
905 caddr_t nmc_ptr; /* pointer into current mbuf */
906 uint32_t nmc_left; /* bytes remaining in current mbuf */
907 uint32_t nmc_flags; /* flags for this nfsm_chain */
908 };
909 #define NFSM_CHAIN_FLAG_ADD_CLUSTERS 0x1 /* always add mbuf clusters */
910
911 /*
912 * Each retransmission of an RPCSEC_GSS request
913 * has an additional sequence number.
914 */
915 struct gss_seq {
916 SLIST_ENTRY(gss_seq) gss_seqnext;
917 uint32_t gss_seqnum;
918 };
919
920 /*
921 * async NFS request callback info
922 */
923 struct nfsreq_cbinfo {
924 void (*rcb_func)(struct nfsreq *); /* async request callback function */
925 struct nfsbuf *rcb_bp; /* buffer I/O RPC is for */
926 uint32_t rcb_args[3]; /* additional callback args */
927 };
928
929 /*
930 * NFS outstanding request list element
931 */
932 struct nfsreq {
933 lck_mtx_t r_mtx; /* NFS request mutex */
934 TAILQ_ENTRY(nfsreq) r_chain; /* request queue chain */
935 TAILQ_ENTRY(nfsreq) r_achain; /* mount's async I/O request queue chain */
936 TAILQ_ENTRY(nfsreq) r_rchain; /* mount's async I/O resend queue chain */
937 TAILQ_ENTRY(nfsreq) r_cchain; /* mount's cwnd queue chain */
938 mbuf_t r_mrest; /* request body mbufs */
939 mbuf_t r_mhead; /* request header mbufs */
940 struct nfsm_chain r_nmrep; /* reply mbufs */
941 nfsnode_t r_np; /* NFS node */
942 struct nfsmount *r_nmp; /* NFS mount point */
943 uint64_t r_xid; /* RPC transaction ID */
944 uint32_t r_procnum; /* NFS procedure number */
945 uint32_t r_mreqlen; /* request length */
946 int r_flags; /* flags on request, see below */
947 int r_lflags; /* flags protected by list mutex, see below */
948 int r_refs; /* # outstanding references */
949 uint8_t r_delay; /* delay to use for jukebox error */
950 uint8_t r_retry; /* max retransmission count */
951 uint8_t r_rexmit; /* current retrans count */
952 int r_rtt; /* RTT for rpc */
953 thread_t r_thread; /* thread that did I/O system call */
954 kauth_cred_t r_cred; /* credential used for request */
955 time_t r_start; /* request start time */
956 time_t r_lastmsg; /* time of last tprintf */
957 time_t r_resendtime; /* time of next jukebox error resend */
958 struct nfs_gss_clnt_ctx *r_gss_ctx; /* RPCSEC_GSS context */
959 SLIST_HEAD(, gss_seq) r_gss_seqlist; /* RPCSEC_GSS sequence numbers */
960 uint32_t r_gss_argoff; /* RPCSEC_GSS offset to args */
961 uint32_t r_gss_arglen; /* RPCSEC_GSS arg length */
962 int r_error; /* request error */
963 struct nfsreq_cbinfo r_callback; /* callback info */
964 };
965
966 /*
967 * Queue head for nfsreq's
968 */
969 TAILQ_HEAD(nfs_reqqhead, nfsreq);
970 __private_extern__ struct nfs_reqqhead nfs_reqq;
971 __private_extern__ lck_grp_t *nfs_request_grp;
972
973 #define R_XID32(x) ((x) & 0xffffffff)
974
975 #define NFSREQNOLIST ((struct nfsreq *)0xdeadbeef) /* sentinel value for nfsreq lists */
976
977 /* Flag values for r_flags */
978 #define R_TIMING 0x00000001 /* timing request (in mntp) */
979 #define R_CWND 0x00000002 /* request accounted for in congestion window */
980 #define R_SOFTTERM 0x00000004 /* request terminated (e.g. soft mnt) */
981 #define R_RESTART 0x00000008 /* RPC should be restarted. */
982 #define R_INITTED 0x00000010 /* request has been initialized */
983 #define R_TPRINTFMSG 0x00000020 /* Did a tprintf msg. */
984 #define R_MUSTRESEND 0x00000040 /* Must resend request */
985 #define R_ALLOCATED 0x00000080 /* request was allocated */
986 #define R_SENT 0x00000100 /* request has been sent */
987 #define R_WAITSENT 0x00000200 /* someone is waiting for request to be sent */
988 #define R_RESENDERR 0x00000400 /* resend failed */
989 #define R_JBTPRINTFMSG 0x00000800 /* Did a tprintf msg for jukebox error */
990 #define R_ASYNC 0x00001000 /* async request */
991 #define R_ASYNCWAIT 0x00002000 /* async request now being waited on */
992 #define R_RESENDQ 0x00004000 /* async request currently on resendq */
993 #define R_SENDING 0x00008000 /* request currently being sent */
994
995 #define R_RECOVER 0x40000000 /* a state recovery RPC - during NFSSTA_RECOVER */
996 #define R_SETUP 0x80000000 /* a setup RPC - during (re)connection */
997 #define R_OPTMASK 0xc0000000 /* mask of all RPC option flags */
998
999 /* Flag values for r_lflags */
1000 #define RL_BUSY 0x0001 /* Locked. */
1001 #define RL_WAITING 0x0002 /* Someone waiting for lock. */
1002 #define RL_QUEUED 0x0004 /* request is on the queue */
1003
1004 __private_extern__ u_int32_t nfs_xid, nfs_xidwrap;
1005 __private_extern__ int nfs_iosize, nfs_access_cache_timeout, nfs_access_delete, nfs_allow_async, nfs_statfs_rate_limit;
1006 __private_extern__ int nfs_lockd_mounts, nfs_lockd_request_sent, nfs_single_des;
1007 __private_extern__ int nfs_tprintf_initial_delay, nfs_tprintf_delay;
1008 __private_extern__ int nfsiod_thread_count, nfsiod_thread_max, nfs_max_async_writes;
1009
1010 #define NFSIOD_MAX (MIN(nfsiod_thread_max, NFS_MAXASYNCTHREAD))
1011
1012 struct nfs_dulookup {
1013 int du_flags; /* state of ._ lookup */
1014 #define NFS_DULOOKUP_DOIT 0x1
1015 #define NFS_DULOOKUP_INPROG 0x2
1016 struct componentname du_cn; /* ._ name being looked up */
1017 struct nfsreq du_req; /* NFS request for lookup */
1018 char du_smallname[48]; /* buffer for small names */
1019 };
1020
1021 /*
1022 * Network address hash list element
1023 */
1024 union nethostaddr {
1025 u_int32_t had_inetaddr;
1026 mbuf_t had_nam;
1027 };
1028
1029 /*
1030 * One nfsrv_sock structure is maintained for each socket the
1031 * server is servicing requests on.
1032 */
1033 struct nfsrv_sock {
1034 TAILQ_ENTRY(nfsrv_sock) ns_chain; /* List of all nfsrv_sock's */
1035 TAILQ_ENTRY(nfsrv_sock) ns_svcq; /* List of sockets needing servicing */
1036 TAILQ_ENTRY(nfsrv_sock) ns_wgq; /* List of sockets with a pending write gather */
1037 lck_rw_t ns_rwlock; /* lock for most fields */
1038 socket_t ns_so;
1039 mbuf_t ns_nam;
1040 mbuf_t ns_raw;
1041 mbuf_t ns_rawend;
1042 mbuf_t ns_rec;
1043 mbuf_t ns_recend;
1044 mbuf_t ns_frag;
1045 int ns_flag;
1046 int ns_sotype;
1047 int ns_cc;
1048 int ns_reclen;
1049 int ns_reccnt;
1050 u_int32_t ns_sref;
1051 time_t ns_timestamp; /* socket timestamp */
1052 lck_mtx_t ns_wgmutex; /* mutex for write gather fields */
1053 u_quad_t ns_wgtime; /* next Write deadline (usec) */
1054 LIST_HEAD(, nfsrv_descript) ns_tq; /* Write gather lists */
1055 LIST_HEAD(nfsrv_wg_delayhash, nfsrv_descript) ns_wdelayhashtbl[NFS_WDELAYHASHSIZ];
1056 };
1057
1058 /* Bits for "ns_flag" */
1059 #define SLP_VALID 0x0001 /* nfs sock valid */
1060 #define SLP_DOREC 0x0002 /* nfs sock has received data to process */
1061 #define SLP_NEEDQ 0x0004 /* network socket has data to receive */
1062 #define SLP_DISCONN 0x0008 /* socket needs to be zapped */
1063 #define SLP_GETSTREAM 0x0010 /* currently in nfsrv_getstream() */
1064 #define SLP_LASTFRAG 0x0020 /* on last fragment of RPC record */
1065 #define SLP_DOWRITES 0x0040 /* nfs sock has gathered writes to service */
1066 #define SLP_WORKTODO 0x004e /* mask of all "work to do" flags */
1067 #define SLP_ALLFLAGS 0x007f
1068 #define SLP_WAITQ 0x4000 /* nfs sock is on the wait queue */
1069 #define SLP_WORKQ 0x8000 /* nfs sock is on the work queue */
1070 #define SLP_QUEUED 0xc000 /* nfs sock is on a queue */
1071
1072 #define SLPNOLIST ((struct nfsrv_sock *)0xdeadbeef) /* sentinel value for sockets not in the nfsrv_sockwg list */
1073
1074 __private_extern__ struct nfsrv_sock *nfsrv_udpsock;
1075
1076 /*
1077 * global NFS server socket lists:
1078 *
1079 * nfsrv_socklist - list of all sockets (ns_chain)
1080 * nfsrv_sockwait - sockets w/new data waiting to be worked on (ns_svcq)
1081 * nfsrv_sockwork - sockets being worked on which may have more work to do (ns_svcq)
1082 * nfsrv_sockwg - sockets with pending write gather input (ns_wgq)
1083 */
1084 __private_extern__ TAILQ_HEAD(nfsrv_sockhead, nfsrv_sock) nfsrv_socklist, nfsrv_deadsocklist,
1085 nfsrv_sockwg, nfsrv_sockwait, nfsrv_sockwork;
1086
1087 /* lock groups for nfsrv_sock's */
1088 __private_extern__ lck_grp_t *nfsrv_slp_rwlock_group;
1089 __private_extern__ lck_grp_t *nfsrv_slp_mutex_group;
1090
1091 /*
1092 * One of these structures is allocated for each nfsd.
1093 */
1094 struct nfsd {
1095 TAILQ_ENTRY(nfsd) nfsd_chain; /* List of all nfsd's */
1096 TAILQ_ENTRY(nfsd) nfsd_queue; /* List of waiting nfsd's */
1097 int nfsd_flag; /* NFSD_ flags */
1098 struct nfsrv_sock *nfsd_slp; /* Current socket */
1099 struct nfsrv_descript *nfsd_nd; /* Associated nfsrv_descript */
1100 };
1101
1102 /* Bits for "nfsd_flag" */
1103 #define NFSD_WAITING 0x01
1104 #define NFSD_REQINPROG 0x02
1105
1106 /*
1107 * This structure is used by the server for describing each request.
1108 * Some fields are used only when write request gathering is performed.
1109 */
1110 struct nfsrv_descript {
1111 u_quad_t nd_time; /* Write deadline (usec) */
1112 off_t nd_off; /* Start byte offset */
1113 off_t nd_eoff; /* and end byte offset */
1114 LIST_ENTRY(nfsrv_descript) nd_hash; /* Hash list */
1115 LIST_ENTRY(nfsrv_descript) nd_tq; /* and timer list */
1116 LIST_HEAD(,nfsrv_descript) nd_coalesce; /* coalesced writes */
1117 struct nfsm_chain nd_nmreq; /* Request mbuf chain */
1118 mbuf_t nd_mrep; /* Reply mbuf list (WG) */
1119 mbuf_t nd_nam; /* and socket addr */
1120 mbuf_t nd_nam2; /* return socket addr */
1121 u_int32_t nd_procnum; /* RPC # */
1122 int nd_stable; /* storage type */
1123 int nd_vers; /* NFS version */
1124 int nd_len; /* Length of this write */
1125 int nd_repstat; /* Reply status */
1126 u_int32_t nd_retxid; /* Reply xid */
1127 struct timeval nd_starttime; /* Time RPC initiated */
1128 struct nfs_filehandle nd_fh; /* File handle */
1129 uint32_t nd_sec; /* Security flavor */
1130 struct nfs_gss_svc_ctx *nd_gss_context;/* RPCSEC_GSS context */
1131 uint32_t nd_gss_seqnum; /* RPCSEC_GSS seq num */
1132 mbuf_t nd_gss_mb; /* RPCSEC_GSS results mbuf */
1133 kauth_cred_t nd_cr; /* Credentials */
1134 };
1135
1136 __private_extern__ TAILQ_HEAD(nfsd_head, nfsd) nfsd_head, nfsd_queue;
1137
1138 /* mutex for nfs server */
1139 __private_extern__ lck_mtx_t *nfsd_mutex;
1140 __private_extern__ int nfsd_thread_count, nfsd_thread_max;
1141
1142 /* request list mutex */
1143 __private_extern__ lck_mtx_t *nfs_request_mutex;
1144 __private_extern__ int nfs_request_timer_on;
1145
1146 /* mutex for nfs client globals */
1147 __private_extern__ lck_mtx_t *nfs_global_mutex;
1148
1149 /* NFSv4 callback globals */
1150 __private_extern__ int nfs4_callback_timer_on;
1151 __private_extern__ in_port_t nfs4_cb_port;
1152
1153 /* nfs timer call structures */
1154 __private_extern__ thread_call_t nfs_request_timer_call;
1155 __private_extern__ thread_call_t nfs_buf_timer_call;
1156 __private_extern__ thread_call_t nfs4_callback_timer_call;
1157 __private_extern__ thread_call_t nfsrv_deadsock_timer_call;
1158 #if CONFIG_FSE
1159 __private_extern__ thread_call_t nfsrv_fmod_timer_call;
1160 #endif
1161
1162 __BEGIN_DECLS
1163
1164 nfstype vtonfs_type(enum vtype, int);
1165 enum vtype nfstov_type(nfstype, int);
1166 int vtonfsv2_mode(enum vtype, mode_t);
1167
1168 void nfs_mbuf_init(void);
1169
1170 void nfs_nhinit(void);
1171 void nfs_nhinit_finish(void);
1172 u_long nfs_hash(u_char *, int);
1173
1174 int nfs4_init_clientid(struct nfsmount *);
1175 int nfs4_setclientid(struct nfsmount *);
1176 int nfs4_renew(struct nfsmount *, int);
1177 void nfs4_renew_timer(void *, void *);
1178 void nfs4_mount_callback_setup(struct nfsmount *);
1179 void nfs4_mount_callback_shutdown(struct nfsmount *);
1180 void nfs4_cb_accept(socket_t, void *, int);
1181 void nfs4_cb_rcv(socket_t, void *, int);
1182 void nfs4_callback_timer(void *, void *);
1183
1184 int nfs_connect(struct nfsmount *, int);
1185 void nfs_disconnect(struct nfsmount *);
1186 void nfs_need_reconnect(struct nfsmount *);
1187 void nfs_mount_sock_thread_wake(struct nfsmount *);
1188 void nfs_mount_check_dead_timeout(struct nfsmount *);
1189
1190 int nfs_getattr(nfsnode_t, struct nfs_vattr *, vfs_context_t, int);
1191 int nfs_getattrcache(nfsnode_t, struct nfs_vattr *);
1192 int nfs_loadattrcache(nfsnode_t, struct nfs_vattr *, u_int64_t *, int);
1193 int nfs_attrcachetimeout(nfsnode_t);
1194
1195 int nfs_buf_page_inval(vnode_t vp, off_t offset);
1196 int nfs_vinvalbuf(vnode_t, int, vfs_context_t, int);
1197 int nfs_vinvalbuf2(vnode_t, int, thread_t, kauth_cred_t, int);
1198 int nfs_vinvalbuf_internal(nfsnode_t, int, thread_t, kauth_cred_t, int, int);
1199
1200 int nfs_request_create(nfsnode_t, mount_t, struct nfsm_chain *, int, thread_t, kauth_cred_t, struct nfsreq **);
1201 void nfs_request_destroy(struct nfsreq *);
1202 void nfs_request_ref(struct nfsreq *, int);
1203 void nfs_request_rele(struct nfsreq *);
1204 int nfs_request_add_header(struct nfsreq *);
1205 int nfs_request_send(struct nfsreq *, int);
1206 void nfs_request_wait(struct nfsreq *);
1207 int nfs_request_finish(struct nfsreq *, struct nfsm_chain *, int *);
1208 int nfs_request(nfsnode_t, mount_t, struct nfsm_chain *, int, vfs_context_t, struct nfsm_chain *, u_int64_t *, int *);
1209 int nfs_request2(nfsnode_t, mount_t, struct nfsm_chain *, int, thread_t, kauth_cred_t, int, struct nfsm_chain *, u_int64_t *, int *);
1210 int nfs_request_gss(mount_t, struct nfsm_chain *, thread_t, kauth_cred_t, int, struct nfs_gss_clnt_ctx *, struct nfsm_chain *, int *);
1211 int nfs_request_async(nfsnode_t, mount_t, struct nfsm_chain *, int, thread_t, kauth_cred_t, struct nfsreq_cbinfo *cb, struct nfsreq **);
1212 int nfs_request_async_finish(struct nfsreq *, struct nfsm_chain *, u_int64_t *, int *);
1213 void nfs_request_async_cancel(struct nfsreq *);
1214 void nfs_request_timer(void *, void *);
1215 int nfs_aux_request(struct nfsmount *, thread_t, struct sockaddr_in *, mbuf_t, uint32_t, int, int, struct nfsm_chain *);
1216 void nfs_get_xid(uint64_t *);
1217 int nfs_sigintr(struct nfsmount *, struct nfsreq *, thread_t, int);
1218 int nfs_noremotehang(thread_t);
1219
1220 int nfs_send(struct nfsreq *, int);
1221 int nfs_sndlock(struct nfsreq *);
1222 void nfs_sndunlock(struct nfsreq *);
1223
1224 int nfs_lookitup(nfsnode_t, char *, int, vfs_context_t, nfsnode_t *);
1225 void nfs_dulookup_init(struct nfs_dulookup *, nfsnode_t, const char *, int, vfs_context_t);
1226 void nfs_dulookup_start(struct nfs_dulookup *, nfsnode_t, vfs_context_t);
1227 void nfs_dulookup_finish(struct nfs_dulookup *, nfsnode_t, vfs_context_t);
1228 int nfs_dir_buf_cache_lookup(nfsnode_t, nfsnode_t *, struct componentname *, vfs_context_t, int);
1229 int nfs_dir_buf_search(struct nfsbuf *, struct componentname *, fhandle_t *, struct nfs_vattr *, uint64_t *, time_t *, daddr64_t *, int);
1230 void nfs_name_cache_purge(nfsnode_t, nfsnode_t, struct componentname *, vfs_context_t);
1231
1232 int nfs_parsefattr(struct nfsm_chain *, int, struct nfs_vattr *);
1233 int nfs4_parsefattr(struct nfsm_chain *, struct nfs_fsattr *, struct nfs_vattr *, fhandle_t *, struct dqblk *);
1234 void nfs_vattr_set_supported(uint32_t *, struct vnode_attr *);
1235 void nfs3_pathconf_cache(struct nfsmount *, struct nfs_fsattr *);
1236 void nfs3_umount_rpc(struct nfsmount *, vfs_context_t, int);
1237 int nfs_node_mode_slot(nfsnode_t, uid_t, int);
1238
1239 void nfs_avoid_needless_id_setting_on_create(nfsnode_t, struct vnode_attr *, vfs_context_t);
1240 int nfs4_create_rpc(vfs_context_t, nfsnode_t, struct componentname *, struct vnode_attr *, int, char *, nfsnode_t *);
1241 int nfs_open_state_set_busy(nfsnode_t, vfs_context_t);
1242 void nfs_open_state_clear_busy(nfsnode_t);
1243 struct nfs_open_owner *nfs_open_owner_find(struct nfsmount *, kauth_cred_t, int);
1244 void nfs_open_owner_destroy(struct nfs_open_owner *);
1245 void nfs_open_owner_ref(struct nfs_open_owner *);
1246 void nfs_open_owner_rele(struct nfs_open_owner *);
1247 int nfs_open_owner_set_busy(struct nfs_open_owner *, thread_t);
1248 void nfs_open_owner_clear_busy(struct nfs_open_owner *);
1249 void nfs_owner_seqid_increment(struct nfs_open_owner *, struct nfs_lock_owner *, int);
1250 int nfs_open_file_find(nfsnode_t, struct nfs_open_owner *, struct nfs_open_file **, uint32_t, uint32_t, int);
1251 void nfs_open_file_destroy(struct nfs_open_file *);
1252 int nfs_open_file_set_busy(struct nfs_open_file *, thread_t);
1253 void nfs_open_file_clear_busy(struct nfs_open_file *);
1254 void nfs_get_stateid(nfsnode_t, thread_t, kauth_cred_t, nfs_stateid *);
1255 int nfs4_open(nfsnode_t, struct nfs_open_file *, uint32_t, uint32_t, vfs_context_t);
1256 int nfs4_close(nfsnode_t, struct nfs_open_file *, uint32_t, uint32_t, vfs_context_t);
1257 int nfs4_check_for_locks(struct nfs_open_owner *, struct nfs_open_file *);
1258 void nfs4_reopen(struct nfs_open_file *, thread_t);
1259 int nfs4_open_rpc(struct nfs_open_file *, vfs_context_t, struct componentname *, struct vnode_attr *, vnode_t, vnode_t *, int, int, int);
1260 int nfs4_open_rpc_internal(struct nfs_open_file *, vfs_context_t, thread_t, kauth_cred_t, struct componentname *, struct vnode_attr *, vnode_t, vnode_t *, int, int, int);
1261 int nfs4_open_reopen_rpc(struct nfs_open_file *, thread_t, kauth_cred_t, struct componentname *, vnode_t, vnode_t *, int, int);
1262 int nfs4_open_reclaim_rpc(struct nfs_open_file *, int, int);
1263 int nfs4_open_downgrade_rpc(nfsnode_t, struct nfs_open_file *, vfs_context_t);
1264 int nfs4_close_rpc(nfsnode_t, struct nfs_open_file *, thread_t, kauth_cred_t, int);
1265 int nfs4_delegreturn_rpc(struct nfsmount *, u_char *, int, struct nfs_stateid *, thread_t, kauth_cred_t);
1266 struct nfs_lock_owner *nfs_lock_owner_find(nfsnode_t, proc_t, int);
1267 void nfs_lock_owner_destroy(struct nfs_lock_owner *);
1268 void nfs_lock_owner_ref(struct nfs_lock_owner *);
1269 void nfs_lock_owner_rele(struct nfs_lock_owner *);
1270 int nfs_lock_owner_set_busy(struct nfs_lock_owner *, thread_t);
1271 void nfs_lock_owner_clear_busy(struct nfs_lock_owner *);
1272 void nfs_lock_owner_insert_held_lock(struct nfs_lock_owner *, struct nfs_file_lock *);
1273 struct nfs_file_lock *nfs_file_lock_alloc(struct nfs_lock_owner *);
1274 void nfs_file_lock_destroy(struct nfs_file_lock *);
1275 int nfs_file_lock_conflict(struct nfs_file_lock *, struct nfs_file_lock *, int *);
1276 int nfs4_lock_rpc(nfsnode_t, struct nfs_open_file *, struct nfs_file_lock *, int, thread_t, kauth_cred_t);
1277 int nfs4_unlock_rpc(nfsnode_t, struct nfs_lock_owner *, int, uint64_t, uint64_t, vfs_context_t);
1278 int nfs4_getlock(nfsnode_t, struct nfs_lock_owner *, struct flock *, uint64_t, uint64_t, vfs_context_t);
1279 int nfs4_setlock(nfsnode_t, struct nfs_open_file *, struct nfs_lock_owner *, int, uint64_t, uint64_t, int, short, vfs_context_t);
1280 int nfs4_unlock(nfsnode_t, struct nfs_open_file *, struct nfs_lock_owner *, uint64_t, uint64_t, int, vfs_context_t);
1281
1282 int nfs_mount_state_in_use_start(struct nfsmount *);
1283 int nfs_mount_state_in_use_end(struct nfsmount *, int);
1284 int nfs_mount_state_error_should_restart(int);
1285 uint nfs_mount_state_max_restarts(struct nfsmount *);
1286 int nfs_mount_state_wait_for_recovery(struct nfsmount *);
1287 void nfs4_recover(struct nfsmount *);
1288
1289 int nfs_vnop_access(struct vnop_access_args *);
1290
1291 int nfs3_vnop_open(struct vnop_open_args *);
1292 int nfs3_vnop_close(struct vnop_close_args *);
1293
1294 int nfs4_vnop_create(struct vnop_create_args *);
1295 int nfs4_vnop_mknod(struct vnop_mknod_args *);
1296 int nfs4_vnop_open(struct vnop_open_args *);
1297 int nfs4_vnop_close(struct vnop_close_args *);
1298 int nfs4_vnop_mmap(struct vnop_mmap_args *);
1299 int nfs4_vnop_mnomap(struct vnop_mnomap_args *);
1300 int nfs4_vnop_getattr(struct vnop_getattr_args *);
1301 int nfs4_vnop_read(struct vnop_read_args *);
1302 int nfs4_vnop_link(struct vnop_link_args *);
1303 int nfs4_vnop_mkdir(struct vnop_mkdir_args *);
1304 int nfs4_vnop_rmdir(struct vnop_rmdir_args *);
1305 int nfs4_vnop_symlink(struct vnop_symlink_args *);
1306 int nfs4_vnop_advlock(struct vnop_advlock_args *ap);
1307
1308 int nfs_read_rpc(nfsnode_t, uio_t, vfs_context_t);
1309 int nfs_write_rpc(nfsnode_t, uio_t, vfs_context_t, int *, uint64_t *);
1310 int nfs_write_rpc2(nfsnode_t, uio_t, thread_t, kauth_cred_t, int *, uint64_t *);
1311
1312 int nfs3_access_rpc(nfsnode_t, u_int32_t *, vfs_context_t);
1313 int nfs4_access_rpc(nfsnode_t, u_int32_t *, vfs_context_t);
1314 int nfs3_getattr_rpc(nfsnode_t, mount_t, u_char *, size_t, vfs_context_t, struct nfs_vattr *, u_int64_t *);
1315 int nfs4_getattr_rpc(nfsnode_t, mount_t, u_char *, size_t, vfs_context_t, struct nfs_vattr *, u_int64_t *);
1316 int nfs3_setattr_rpc(nfsnode_t, struct vnode_attr *, vfs_context_t);
1317 int nfs4_setattr_rpc(nfsnode_t, struct vnode_attr *, vfs_context_t);
1318 int nfs3_read_rpc_async(nfsnode_t, off_t, size_t, thread_t, kauth_cred_t, struct nfsreq_cbinfo *, struct nfsreq **);
1319 int nfs4_read_rpc_async(nfsnode_t, off_t, size_t, thread_t, kauth_cred_t, struct nfsreq_cbinfo *, struct nfsreq **);
1320 int nfs3_read_rpc_async_finish(nfsnode_t, struct nfsreq *, uio_t, size_t *, int *);
1321 int nfs4_read_rpc_async_finish(nfsnode_t, struct nfsreq *, uio_t, size_t *, int *);
1322 int nfs3_write_rpc_async(nfsnode_t, uio_t, size_t, thread_t, kauth_cred_t, int, struct nfsreq_cbinfo *, struct nfsreq **);
1323 int nfs4_write_rpc_async(nfsnode_t, uio_t, size_t, thread_t, kauth_cred_t, int, struct nfsreq_cbinfo *, struct nfsreq **);
1324 int nfs3_write_rpc_async_finish(nfsnode_t, struct nfsreq *, int *, size_t *, uint64_t *);
1325 int nfs4_write_rpc_async_finish(nfsnode_t, struct nfsreq *, int *, size_t *, uint64_t *);
1326 int nfs3_readdir_rpc(nfsnode_t, struct nfsbuf *, vfs_context_t);
1327 int nfs4_readdir_rpc(nfsnode_t, struct nfsbuf *, vfs_context_t);
1328 int nfs3_readlink_rpc(nfsnode_t, char *, uint32_t *, vfs_context_t);
1329 int nfs4_readlink_rpc(nfsnode_t, char *, uint32_t *, vfs_context_t);
1330 int nfs3_commit_rpc(nfsnode_t, u_int64_t, u_int64_t, kauth_cred_t);
1331 int nfs4_commit_rpc(nfsnode_t, u_int64_t, u_int64_t, kauth_cred_t);
1332 int nfs3_lookup_rpc_async(nfsnode_t, char *, int, vfs_context_t, struct nfsreq **);
1333 int nfs4_lookup_rpc_async(nfsnode_t, char *, int, vfs_context_t, struct nfsreq **);
1334 int nfs3_lookup_rpc_async_finish(nfsnode_t, vfs_context_t, struct nfsreq *, u_int64_t *, fhandle_t *, struct nfs_vattr *);
1335 int nfs4_lookup_rpc_async_finish(nfsnode_t, vfs_context_t, struct nfsreq *, u_int64_t *, fhandle_t *, struct nfs_vattr *);
1336 int nfs3_remove_rpc(nfsnode_t, char *, int, thread_t, kauth_cred_t);
1337 int nfs4_remove_rpc(nfsnode_t, char *, int, thread_t, kauth_cred_t);
1338 int nfs3_rename_rpc(nfsnode_t, char *, int, nfsnode_t, char *, int, vfs_context_t);
1339 int nfs4_rename_rpc(nfsnode_t, char *, int, nfsnode_t, char *, int, vfs_context_t);
1340 int nfs3_pathconf_rpc(nfsnode_t, struct nfs_fsattr *, vfs_context_t);
1341 int nfs4_pathconf_rpc(nfsnode_t, struct nfs_fsattr *, vfs_context_t);
1342
1343 void nfsrv_active_user_list_reclaim(void);
1344 void nfsrv_cleancache(void);
1345 void nfsrv_cleanup(void);
1346 int nfsrv_credcheck(struct nfsrv_descript *, vfs_context_t, struct nfs_export *,
1347 struct nfs_export_options *);
1348 void nfsrv_deadsock_timer(void *, void *);
1349 int nfsrv_dorec(struct nfsrv_sock *, struct nfsd *, struct nfsrv_descript **);
1350 int nfsrv_errmap(struct nfsrv_descript *, int);
1351 int nfsrv_export(struct user_nfs_export_args *, vfs_context_t);
1352 int nfsrv_fhmatch(struct nfs_filehandle *, struct nfs_filehandle *);
1353 int nfsrv_fhtovp(struct nfs_filehandle *, struct nfsrv_descript *, vnode_t *,
1354 struct nfs_export **, struct nfs_export_options **);
1355 #if CONFIG_FSE
1356 void nfsrv_fmod_timer(void *, void *);
1357 #endif
1358 int nfsrv_getcache(struct nfsrv_descript *, struct nfsrv_sock *, mbuf_t *);
1359 void nfsrv_group_sort(gid_t *, int);
1360 void nfsrv_init(void);
1361 void nfsrv_initcache(void);
1362 int nfsrv_is_initialized(void);
1363 int nfsrv_namei(struct nfsrv_descript *, vfs_context_t, struct nameidata *,
1364 struct nfs_filehandle *, vnode_t *,
1365 struct nfs_export **, struct nfs_export_options **);
1366 void nfsrv_rcv(socket_t, caddr_t, int);
1367 void nfsrv_rcv_locked(socket_t, struct nfsrv_sock *, int);
1368 int nfsrv_rephead(struct nfsrv_descript *, struct nfsrv_sock *, struct nfsm_chain *, size_t);
1369 int nfsrv_send(struct nfsrv_sock *, mbuf_t, mbuf_t);
1370 void nfsrv_updatecache(struct nfsrv_descript *, int, mbuf_t);
1371 void nfsrv_update_user_stat(struct nfs_export *, struct nfsrv_descript *, uid_t, u_int, u_int, u_int);
1372 int nfsrv_vptofh(struct nfs_export *, int, struct nfs_filehandle *,
1373 vnode_t, vfs_context_t, struct nfs_filehandle *);
1374 void nfsrv_wakenfsd(struct nfsrv_sock *);
1375 void nfsrv_wg_timer(void *, void *);
1376 int nfsrv_writegather(struct nfsrv_descript **, struct nfsrv_sock *,
1377 vfs_context_t, mbuf_t *);
1378
1379 int nfsrv_access(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *);
1380 int nfsrv_commit(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *);
1381 int nfsrv_create(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *);
1382 int nfsrv_fsinfo(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *);
1383 int nfsrv_getattr(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *);
1384 int nfsrv_link(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *);
1385 int nfsrv_lookup(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *);
1386 int nfsrv_mkdir(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *);
1387 int nfsrv_mknod(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *);
1388 int nfsrv_noop(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *);
1389 int nfsrv_null(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *);
1390 int nfsrv_pathconf(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *);
1391 int nfsrv_read(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *);
1392 int nfsrv_readdir(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *);
1393 int nfsrv_readdirplus(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *);
1394 int nfsrv_readlink(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *);
1395 int nfsrv_remove(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *);
1396 int nfsrv_rename(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *);
1397 int nfsrv_rmdir(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *);
1398 int nfsrv_setattr(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *);
1399 int nfsrv_statfs(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *);
1400 int nfsrv_symlink(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *);
1401 int nfsrv_write(struct nfsrv_descript *, struct nfsrv_sock *, vfs_context_t, mbuf_t *);
1402
1403 void nfs_interval_timer_start(thread_call_t, int);
1404 void nfs_up(struct nfsmount *, thread_t, int, const char *);
1405 void nfs_down(struct nfsmount *, thread_t, int, int, const char *);
1406 int nfs_msg(thread_t, const char *, const char *, int);
1407
1408 int nfs_mountroot(void);
1409 struct nfs_diskless;
1410 int nfs_boot_init(struct nfs_diskless *);
1411 int nfs_boot_getfh(struct nfs_diskless *, int, int);
1412
1413 __END_DECLS
1414
1415 #endif /* KERNEL */
1416 #endif /* __APPLE_API_PRIVATE */
1417
1418 #endif
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