2 * Copyright (c) 1989, 1993
3 * The Regents of the University of California. All rights reserved.
5 * This code is derived from software contributed to Berkeley by
6 * Rick Macklem at The University of Guelph.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 4. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 #ifndef _NFS_NFSPORT_H_
36 #define _NFSPORT_NFS_H_
39 * In general, I'm not fond of #includes in .h files, but this seems
40 * to be the cleanest way to handle #include files for the ports.
43 #include <sys/unistd.h>
44 #include <sys/param.h>
45 #include <sys/systm.h>
47 #include <sys/dirent.h>
48 #include <sys/domain.h>
49 #include <sys/fcntl.h>
51 #include <sys/filedesc.h>
52 #include <sys/kernel.h>
53 #include <sys/lockf.h>
54 #include <sys/malloc.h>
56 #include <sys/mount.h>
57 #include <sys/namei.h>
59 #include <sys/protosw.h>
60 #include <sys/reboot.h>
61 #include <sys/resourcevar.h>
62 #include <sys/signalvar.h>
63 #include <sys/socket.h>
64 #include <sys/socketvar.h>
66 #include <sys/syslog.h>
67 #include <sys/sysproto.h>
70 #include <sys/vnode.h>
74 #include <sys/module.h>
75 #include <sys/sysent.h>
76 #include <sys/syscall.h>
78 #include <sys/kthread.h>
79 #include <sys/syscallsubr.h>
80 #include <fs/fifofs/fifo.h>
82 #include <net/radix.h>
83 #include <net/route.h>
84 #include <net/if_dl.h>
85 #include <netinet/in.h>
86 #include <netinet/in_pcb.h>
87 #include <netinet/in_systm.h>
88 #include <netinet/in_var.h>
89 #include <netinet/ip.h>
90 #include <netinet/ip_var.h>
91 #include <netinet/tcp.h>
92 #include <netinet/tcp_fsm.h>
93 #include <netinet/tcp_seq.h>
94 #include <netinet/tcp_timer.h>
95 #include <netinet/tcp_var.h>
96 #include <netinet/vinet.h>
97 #include <machine/in_cksum.h>
98 #include <crypto/des/des.h>
101 #include <rpc/rpcclnt.h>
102 #include <rpc/rpcsec_gss.h>
105 * For Darwin, these functions should be "static" when built in a kext.
106 * (This is always defined as nil otherwise.)
109 #include <ufs/ufs/dir.h>
110 #include <ufs/ufs/quota.h>
111 #include <ufs/ufs/inode.h>
112 #include <ufs/ufs/extattr.h>
113 #include <ufs/ufs/ufsmount.h>
116 #include <vm/vm_object.h>
117 #include <vm/vm_extern.h>
118 #include <nfs/nfssvc.h>
123 * These types must be defined before the nfs includes.
125 #define NFSSOCKADDR_T struct sockaddr *
126 #define NFSPROC_T struct thread
127 #define NFSDEV_T dev_t
128 #define NFSSVCARGS nfssvc_args
129 #ifdef NFS4_ACL_EXTATTR_NAME
130 #define NFSACL_T struct acl
132 #define NFSACL_T void
136 * These should be defined as the types used for the corresponding VOP's
139 #define NFS_ACCESS_ARGS struct vop_access_args
140 #define NFS_OPEN_ARGS struct vop_open_args
141 #define NFS_GETATTR_ARGS struct vop_getattr_args
142 #define NFS_LOOKUP_ARGS struct vop_lookup_args
143 #define NFS_READDIR_ARGS struct vop_readdir_args
146 * Allocate mbufs. Must succeed and never set the mbuf ptr to NULL.
148 #define NFSMGET(m) do { \
149 MGET((m), M_TRYWAIT, MT_DATA); \
150 while ((m) == NULL ) { \
151 (void) nfs_catnap(PZERO, "nfsmget"); \
152 MGET((m), M_TRYWAIT, MT_DATA); \
155 #define NFSMGETHDR(m) do { \
156 MGETHDR((m), M_TRYWAIT, MT_DATA); \
157 while ((m) == NULL ) { \
158 (void) nfs_catnap(PZERO, "nfsmget"); \
159 MGETHDR((m), M_TRYWAIT, MT_DATA); \
162 #define NFSMCLGET(m, w) do { \
163 MGET((m), M_TRYWAIT, MT_DATA); \
164 while ((m) == NULL ) { \
165 (void) nfs_catnap(PZERO, "nfsmget"); \
166 MGET((m), M_TRYWAIT, MT_DATA); \
170 #define NFSMCLGETHDR(m, w) do { \
171 MGETHDR((m), M_TRYWAIT, MT_DATA); \
172 while ((m) == NULL ) { \
173 (void) nfs_catnap(PZERO, "nfsmget"); \
174 MGETHDR((m), M_TRYWAIT, MT_DATA); \
180 * Client side constant for size of a lockowner name.
182 #define NFSV4CL_LOCKNAMELEN 12
185 * Type for a mutex lock.
187 #define NFSMUTEX_T struct mtx
189 #include <fs/nfs/nfskpiport.h>
190 #include <fs/nfs/nfsdport.h>
191 #include <fs/nfs/rpcv2.h>
192 #include <fs/nfs/nfsproto.h>
193 #include <fs/nfs/nfs.h>
194 #include <fs/nfs/nfs_var.h>
195 #include <fs/nfs/nfsm_subs.h>
196 #include <fs/nfs/nfsrvcache.h>
197 #include <fs/nfs/nfsrvstate.h>
198 #include <fs/nfs/xdr_subs.h>
199 #include <fs/nfs/nfscl.h>
200 #include <fs/nfs/nfsclstate.h>
201 #include <fs/nfsclient/nfsargs.h>
202 #include <fs/nfsclient/nfsmount.h>
205 * Just to keep nfs_var.h happy.
212 struct vattr na_vattr;
213 nfsattrbit_t na_suppattr;
214 u_int32_t na_mntonfileno;
215 u_int64_t na_filesid[2];
218 #define na_type na_vattr.va_type
219 #define na_mode na_vattr.va_mode
220 #define na_nlink na_vattr.va_nlink
221 #define na_uid na_vattr.va_uid
222 #define na_gid na_vattr.va_gid
223 #define na_fsid na_vattr.va_fsid
224 #define na_fileid na_vattr.va_fileid
225 #define na_size na_vattr.va_size
226 #define na_blocksize na_vattr.va_blocksize
227 #define na_atime na_vattr.va_atime
228 #define na_mtime na_vattr.va_mtime
229 #define na_ctime na_vattr.va_ctime
230 #define na_gen na_vattr.va_gen
231 #define na_flags na_vattr.va_flags
232 #define na_rdev na_vattr.va_rdev
233 #define na_bytes na_vattr.va_bytes
234 #define na_filerev na_vattr.va_filerev
235 #define na_vaflags na_vattr.va_vaflags
237 #include <fs/nfsclient/nfsnode.h>
240 * This is the header structure used for the lists, etc. (It has the
241 * above record in it.
243 struct nfsrv_stablefirst {
244 LIST_HEAD(, nfsrv_stable) nsf_head; /* Head of nfsrv_stable list */
245 time_t nsf_eograce; /* Time grace period ends */
246 time_t *nsf_bootvals; /* Previous boottime values */
247 struct file *nsf_fp; /* File table pointer */
248 u_char nsf_flags; /* NFSNSF_ flags */
249 struct nfsf_rec nsf_rec; /* and above first record */
251 #define nsf_lease nsf_rec.lease
252 #define nsf_numboots nsf_rec.numboots
254 /* NFSNSF_xxx flags */
255 #define NFSNSF_UPDATEDONE 0x01
256 #define NFSNSF_GRACEOVER 0x02
257 #define NFSNSF_NEEDLOCK 0x04
258 #define NFSNSF_EXPIREDCLIENT 0x08
259 #define NFSNSF_NOOPENS 0x10
260 #define NFSNSF_OK 0x20
263 * Maximum number of boot times allowed in record. Although there is
264 * really no need for a fixed upper bound, this serves as a sanity check
265 * for a corrupted file.
267 #define NFSNSF_MAXNUMBOOTS 10000
270 * This structure defines the other records in the file. The
271 * nst_client array is actually the size of the client string name.
278 /* and the values for flag */
279 #define NFSNST_NEWSTATE 0x1
280 #define NFSNST_REVOKE 0x2
281 #define NFSNST_GOTSTATE 0x4
284 * This structure is linked onto nfsrv_stablefirst for the duration of
287 struct nfsrv_stable {
288 LIST_ENTRY(nfsrv_stable) nst_list;
289 struct nfsclient *nst_clp;
290 struct nfst_rec nst_rec;
292 #define nst_timestamp nst_rec.timestamp
293 #define nst_len nst_rec.len
294 #define nst_flag nst_rec.flag
295 #define nst_client nst_rec.client
298 * At some point the server will run out of kernel storage for
299 * state structures. For FreeBSD5.2, this results in a panic
300 * kmem_map is full. It happens at well over 1000000 opens plus
301 * locks on a PIII-800 with 256Mbytes, so that is where I've set
302 * the limit. If your server panics due to too many opens/locks,
303 * decrease the size of NFSRV_V4STATELIMIT. If you find the server
304 * returning NFS4ERR_RESOURCE a lot and have lots of memory, try
307 #define NFSRV_V4STATELIMIT 500000 /* Max # of Opens + Locks */
310 * The type required differs with BSDen (just the second arg).
312 void nfsrvd_rcv(struct socket *, void *, int);
315 * Macros for handling socket addresses. (Hopefully this makes the code
316 * more portable, since I've noticed some 'BSD don't have sockaddrs in
319 #define NFSSOCKADDR(a, t) ((t)(a))
320 #define NFSSOCKADDRALLOC(a) \
322 MALLOC((a), struct sockaddr *, sizeof (struct sockaddr), \
323 M_SONAME, M_WAITOK); \
324 NFSBZERO((a), sizeof (struct sockaddr)); \
326 #define NFSSOCKADDRSIZE(a, s) ((a)->sa_len = (s))
327 #define NFSSOCKADDRFREE(a) \
330 FREE((caddr_t)(a), M_SONAME); \
334 * These should be defined as a process or thread structure, as required
335 * for signal handling, etc.
337 #define NFSNEWCRED(c) (crdup(c))
338 #define NFSPROCCRED(p) ((p)->td_ucred)
339 #define NFSFREECRED(c) (crfree(c))
340 #define NFSUIOPROC(u, p) ((u)->uio_td = NULL)
341 #define NFSPROCP(p) ((p)->td_proc)
344 * Define these so that cn_hash and its length is ignored.
346 #define NFSCNHASHZERO(c)
347 #define NFSCNHASH(c, v)
348 #define NCHNAMLEN 9999999
351 * Define these to use the time of day clock.
353 #define NFSGETTIME(t) (getmicrotime(t))
354 #define NFSGETNANOTIME(t) (getnanotime(t))
357 * These macros are defined to initialize and set the timer routine.
359 #define NFS_TIMERINIT \
365 #define NFSSTATESPINLOCK extern struct mtx nfs_state_mutex
366 #define NFSLOCKSTATE() mtx_lock(&nfs_state_mutex)
367 #define NFSUNLOCKSTATE() mtx_unlock(&nfs_state_mutex)
368 #define NFSREQSPINLOCK extern struct mtx nfs_req_mutex
369 #define NFSLOCKREQ() mtx_lock(&nfs_req_mutex)
370 #define NFSUNLOCKREQ() mtx_unlock(&nfs_req_mutex)
371 #define NFSCACHEMUTEX extern struct mtx nfs_cache_mutex
372 #define NFSCACHEMUTEXPTR (&nfs_cache_mutex)
373 #define NFSLOCKCACHE() mtx_lock(&nfs_cache_mutex)
374 #define NFSUNLOCKCACHE() mtx_unlock(&nfs_cache_mutex)
375 #define NFSCACHELOCKREQUIRED() mtx_assert(&nfs_cache_mutex, MA_OWNED)
376 #define NFSSOCKMUTEX extern struct mtx nfs_slock_mutex
377 #define NFSSOCKMUTEXPTR (&nfs_slock_mutex)
378 #define NFSLOCKSOCK() mtx_lock(&nfs_slock_mutex)
379 #define NFSUNLOCKSOCK() mtx_unlock(&nfs_slock_mutex)
380 #define NFSNAMEIDMUTEX extern struct mtx nfs_nameid_mutex
381 #define NFSLOCKNAMEID() mtx_lock(&nfs_nameid_mutex)
382 #define NFSUNLOCKNAMEID() mtx_unlock(&nfs_nameid_mutex)
383 #define NFSNAMEIDREQUIRED() mtx_assert(&nfs_nameid_mutex, MA_OWNED)
384 #define NFSCLSTATEMUTEX extern struct mtx nfs_clstate_mutex
385 #define NFSCLSTATEMUTEXPTR (&nfs_clstate_mutex)
386 #define NFSLOCKCLSTATE() mtx_lock(&nfs_clstate_mutex)
387 #define NFSUNLOCKCLSTATE() mtx_unlock(&nfs_clstate_mutex)
388 #define NFSDLOCKMUTEX extern struct mtx newnfsd_mtx
389 #define NFSDLOCKMUTEXPTR (&newnfsd_mtx)
390 #define NFSD_LOCK() mtx_lock(&newnfsd_mtx)
391 #define NFSD_UNLOCK() mtx_unlock(&newnfsd_mtx)
392 #define NFSD_LOCK_ASSERT() mtx_assert(&newnfsd_mtx, MA_OWNED)
393 #define NFSD_UNLOCK_ASSERT() mtx_assert(&newnfsd_mtx, MA_NOTOWNED)
394 #define NFSV4ROOTLOCKMUTEX extern struct mtx nfs_v4root_mutex
395 #define NFSV4ROOTLOCKMUTEXPTR (&nfs_v4root_mutex)
396 #define NFSLOCKV4ROOTMUTEX() mtx_lock(&nfs_v4root_mutex)
397 #define NFSUNLOCKV4ROOTMUTEX() mtx_unlock(&nfs_v4root_mutex)
398 #define NFSLOCKNODE(n) mtx_lock(&((n)->n_mtx))
399 #define NFSUNLOCKNODE(n) mtx_unlock(&((n)->n_mtx))
400 #define NFSLOCKMNT(m) mtx_lock(&((m)->nm_mtx))
401 #define NFSUNLOCKMNT(m) mtx_unlock(&((m)->nm_mtx))
402 #define NFSLOCKREQUEST(r) mtx_lock(&((r)->r_mtx))
403 #define NFSUNLOCKREQUEST(r) mtx_unlock(&((r)->r_mtx))
404 #define NFSPROCLISTLOCK() sx_slock(&allproc_lock)
405 #define NFSPROCLISTUNLOCK() sx_sunlock(&allproc_lock)
406 #define NFSLOCKSOCKREQ(r) mtx_lock(&((r)->nr_mtx))
407 #define NFSUNLOCKSOCKREQ(r) mtx_unlock(&((r)->nr_mtx))
410 * Use these macros to initialize/free a mutex.
412 #define NFSINITSOCKMUTEX(m) mtx_init((m), "nfssock", NULL, MTX_DEF)
413 #define NFSFREEMUTEX(m) mtx_destroy((m))
415 int nfsmsleep(void *, void *, int, const char *, struct timespec *);
418 * And weird vm stuff in the nfs server.
420 #define PDIRUNLOCK 0x0
421 #define MAX_COMMIT_COUNT (1024 * 1024)
424 * These macros are called at the start and end of operations that
425 * might modify the underlying file system.
427 #define NFS_STARTWRITE(v, m) vn_start_write((v), (m), V_WAIT)
428 #define NFS_ENDWRITE(m) vn_finished_write(m)
431 * Define these to handle the type of va_rdev.
433 #define NFSMAKEDEV(m, n) makedev((m), (n))
434 #define NFSMAJOR(d) major(d)
435 #define NFSMINOR(d) minor(d)
438 * Define this to be the macro that returns the minimum size required
439 * for a directory entry.
441 #define DIRENT_SIZE(dp) GENERIC_DIRSIZ(dp)
444 * The vnode tag for nfsv4root.
446 #define VT_NFSV4ROOT "nfsv4root"
449 * Define whatever it takes to do a vn_rdwr().
451 #define NFSD_RDWR(r, v, b, l, o, s, i, c, a, p) \
452 vn_rdwr((r), (v), (b), (l), (o), (s), (i), (c), NULL, (int *)(a), (p))
455 * Macros for handling memory for different BSDen.
456 * NFSBCOPY(src, dst, len) - copies len bytes, non-overlapping
457 * NFSOVBCOPY(src, dst, len) - ditto, but data areas might overlap
458 * NFSBCMP(cp1, cp2, len) - compare len bytes, return 0 if same
459 * NFSBZERO(cp, len) - set len bytes to 0x0
461 #define NFSBCOPY(s, d, l) bcopy((s), (d), (l))
462 #define NFSOVBCOPY(s, d, l) ovbcopy((s), (d), (l))
463 #define NFSBCMP(s, d, l) bcmp((s), (d), (l))
464 #define NFSBZERO(s, l) bzero((s), (l))
467 * Some queue.h files don't have these dfined in them.
469 #define LIST_END(head) NULL
470 #define SLIST_END(head) NULL
471 #define TAILQ_END(head) NULL
474 * This must be defined to be a global variable the increments once
475 * per second, but never stops or goes backwards, even when a "date"
476 * command changes the tod clock. It is used for delta times for
479 #define NFSD_MONOSEC time_uptime
482 * Declare the malloc types.
484 MALLOC_DECLARE(M_NEWNFSRVCACHE);
485 MALLOC_DECLARE(M_NEWNFSDCLIENT);
486 MALLOC_DECLARE(M_NEWNFSDSTATE);
487 MALLOC_DECLARE(M_NEWNFSDLOCK);
488 MALLOC_DECLARE(M_NEWNFSDLOCKFILE);
489 MALLOC_DECLARE(M_NEWNFSSTRING);
490 MALLOC_DECLARE(M_NEWNFSUSERGROUP);
491 MALLOC_DECLARE(M_NEWNFSDREQ);
492 MALLOC_DECLARE(M_NEWNFSFH);
493 MALLOC_DECLARE(M_NEWNFSCLOWNER);
494 MALLOC_DECLARE(M_NEWNFSCLOPEN);
495 MALLOC_DECLARE(M_NEWNFSCLDELEG);
496 MALLOC_DECLARE(M_NEWNFSCLCLIENT);
497 MALLOC_DECLARE(M_NEWNFSCLLOCKOWNER);
498 MALLOC_DECLARE(M_NEWNFSCLLOCK);
499 MALLOC_DECLARE(M_NEWNFSDIROFF);
500 MALLOC_DECLARE(M_NEWNFSV4NODE);
501 MALLOC_DECLARE(M_NEWNFSDIRECTIO);
502 MALLOC_DECLARE(M_NEWNFSMNT);
503 #define M_NFSRVCACHE M_NEWNFSRVCACHE
504 #define M_NFSDCLIENT M_NEWNFSDCLIENT
505 #define M_NFSDSTATE M_NEWNFSDSTATE
506 #define M_NFSDLOCK M_NEWNFSDLOCK
507 #define M_NFSDLOCKFILE M_NEWNFSDLOCKFILE
508 #define M_NFSSTRING M_NEWNFSSTRING
509 #define M_NFSUSERGROUP M_NEWNFSUSERGROUP
510 #define M_NFSDREQ M_NEWNFSDREQ
511 #define M_NFSFH M_NEWNFSFH
512 #define M_NFSCLOWNER M_NEWNFSCLOWNER
513 #define M_NFSCLOPEN M_NEWNFSCLOPEN
514 #define M_NFSCLDELEG M_NEWNFSCLDELEG
515 #define M_NFSCLCLIENT M_NEWNFSCLCLIENT
516 #define M_NFSCLLOCKOWNER M_NEWNFSCLLOCKOWNER
517 #define M_NFSCLLOCK M_NEWNFSCLLOCK
518 #define M_NFSDIROFF M_NEWNFSDIROFF
519 #define M_NFSV4NODE M_NEWNFSV4NODE
520 #define M_NFSDIRECTIO M_NEWNFSDIRECTIO
522 #define NFSINT_SIGMASK(set) \
523 (SIGISMEMBER(set, SIGINT) || SIGISMEMBER(set, SIGTERM) || \
524 SIGISMEMBER(set, SIGHUP) || SIGISMEMBER(set, SIGKILL) || \
525 SIGISMEMBER(set, SIGQUIT))
528 * Convert a quota block count to byte count.
530 #define NFSQUOTABLKTOBYTE(q, b) (q) *= (b)
533 * Define this as the largest file size supported. (It should probably
534 * be available via a VFS_xxx Op, but it isn't.
536 #define NFSRV_MAXFILESIZE ((u_int64_t)0x800000000000)
539 * Set this macro to index() or strchr(), whichever is supported.
541 #define STRCHR(s, c) index((s), (c))
544 * Set the n_time in the client write rpc, as required.
546 #define NFSWRITERPC_SETTIME(w, n, v4) \
549 (n)->n_mtime = (n)->n_vattr.na_vattr.va_mtime; \
551 (n)->n_change = (n)->n_vattr.na_vattr.va_filerev; \
556 * Fake value, just to make the client work.
558 #define NFS_LATTR_NOSHRINK 1
561 * Prototypes for functions where the arguments vary for different ports.
563 int nfscl_loadattrcache(struct vnode **, struct nfsvattr *, void *, void *,
565 void newnfs_realign(struct mbuf **);
568 * If the port runs on an SMP box that can enforce Atomic ops with low
569 * overheads, define these as atomic increments/decrements. If not,
570 * don't worry about it, since these are used for stats that can be
571 * "out by one" without disastrous consequences.
573 #define NFSINCRGLOBAL(a) ((a)++)
576 * Assorted funky stuff to make things work under Darwin8.
579 * These macros checks for a field in vattr being set.
581 #define NFSATTRISSET(t, v, a) ((v)->a != (t)VNOVAL)
582 #define NFSATTRISSETTIME(v, a) ((v)->a.tv_sec != VNOVAL)
585 * Manipulate mount flags.
587 #define NFSSTA_HASWRITEVERF 0x00040000 /* Has write verifier */
588 #define NFSSTA_GOTFSINFO 0x00100000 /* Got the fsinfo */
589 #define NFSSTA_TIMEO 0x10000000 /* Experiencing a timeout */
590 #define NFSSTA_LOCKTIMEO 0x20000000 /* Experiencing a lockd timeout */
591 #define NFSSTA_HASSETFSID 0x40000000 /* Has set the fsid */
593 #define NFSHASNFSV3(n) ((n)->nm_flag & NFSMNT_NFSV3)
594 #define NFSHASNFSV4(n) ((n)->nm_flag & NFSMNT_NFSV4)
595 #define NFSHASNFSV3OR4(n) ((n)->nm_flag & (NFSMNT_NFSV3 | NFSMNT_NFSV4))
596 #define NFSHASGOTFSINFO(n) ((n)->nm_state & NFSSTA_GOTFSINFO)
597 #define NFSHASHASSETFSID(n) ((n)->nm_state & NFSSTA_HASSETFSID)
598 #define NFSHASSTRICT3530(n) ((n)->nm_flag & NFSMNT_STRICT3530)
599 #define NFSHASWRITEVERF(n) ((n)->nm_state & NFSSTA_HASWRITEVERF)
600 #define NFSHASINT(n) ((n)->nm_flag & NFSMNT_INT)
601 #define NFSHASSOFT(n) ((n)->nm_flag & NFSMNT_SOFT)
602 #define NFSHASINTORSOFT(n) ((n)->nm_flag & (NFSMNT_INT | NFSMNT_SOFT))
603 #define NFSHASDUMBTIMR(n) ((n)->nm_flag & NFSMNT_DUMBTIMR)
604 #define NFSHASNOCONN(n) ((n)->nm_flag & NFSMNT_MNTD)
605 #define NFSHASKERB(n) ((n)->nm_flag & NFSMNT_KERB)
606 #define NFSHASALLGSSNAME(n) ((n)->nm_flag & NFSMNT_ALLGSSNAME)
607 #define NFSHASINTEGRITY(n) ((n)->nm_flag & NFSMNT_INTEGRITY)
608 #define NFSHASPRIVACY(n) ((n)->nm_flag & NFSMNT_PRIVACY)
609 #define NFSSETWRITEVERF(n) ((n)->nm_state |= NFSSTA_HASWRITEVERF)
610 #define NFSSETHASSETFSID(n) ((n)->nm_state |= NFSSTA_HASSETFSID)
611 #ifdef NFS4_ACL_EXTATTR_NAME
612 #define NFSHASNFS4ACL(m) ((m)->mnt_flag & MNT_NFS4ACLS)
614 #define NFSHASNFS4ACL(m) 0
618 * Gets the stats field out of the mount structure.
620 #define vfs_statfs(m) (&((m)->mnt_stat))
625 #define NFSSETBOOTTIME(b) ((b) = boottime)
628 * The size of directory blocks in the buffer cache.
629 * MUST BE in the range of PAGE_SIZE <= NFS_DIRBLKSIZ <= MAXBSIZE!!
631 #define NFS_DIRBLKSIZ (16 * DIRBLKSIZ) /* Must be a multiple of DIRBLKSIZ */
634 * Define these macros to access mnt_flag fields.
636 #define NFSMNT_RDONLY(m) ((m)->mnt_flag & MNT_RDONLY)
640 * Define a structure similar to ufs_args for use in exporting the V4 root.
644 struct export_args export;
648 * These export flags should be defined, but there are no bits left.
649 * Maybe a separate mnt_exflag field could be added or the mnt_flag
650 * field increased to 64 bits?
652 #ifndef MNT_EXSTRICTACCESS
653 #define MNT_EXSTRICTACCESS 0x0
656 #define MNT_EXV4ONLY 0x0
661 * Define this to invalidate the attribute cache for the nfs node.
663 #define NFSINVALATTRCACHE(n) ((n)->n_attrstamp = 0)
665 /* Used for FreeBSD only */
666 void nfsd_mntinit(void);
669 * Define these for vnode lock/unlock ops.
671 #define NFSVOPLOCK(v, f, p) vn_lock((v), (f))
672 #define NFSVOPUNLOCK(v, f, p) VOP_UNLOCK((v), (f))
673 #define NFSVOPISLOCKED(v, p) VOP_ISLOCKED((v))
678 #define ncl_hash(f, l) (fnv_32_buf((f), (l), FNV1_32_INIT))
680 int newnfs_iosize(struct nfsmount *);
684 extern int nfs_debug;
685 #define NFS_DEBUG_ASYNCIO 1 /* asynchronous i/o */
686 #define NFS_DEBUG_WG 2 /* server write gathering */
687 #define NFS_DEBUG_RC 4 /* server request caching */
689 #define NFS_DPF(cat, args) \
691 if (nfs_debug & NFS_DEBUG_##cat) printf args; \
696 #define NFS_DPF(cat, args)
700 int newnfs_vncmpf(struct vnode *, void *);
702 #ifndef NFS_MINDIRATTRTIMO
703 #define NFS_MINDIRATTRTIMO 3 /* VDIR attrib cache timeout in sec */
705 #ifndef NFS_MAXDIRATTRTIMO
706 #define NFS_MAXDIRATTRTIMO 60
710 * Nfs outstanding request list element
713 TAILQ_ENTRY(nfsreq) r_chain;
714 u_int32_t r_flags; /* flags on request, see below */
715 struct nfsmount *r_nmp; /* Client mnt ptr */
716 struct mtx r_mtx; /* Mutex lock for this structure */
720 #define NFS_MAXBSIZE MAXBSIZE
724 * This macro checks to see if issuing of delegations is allowed for this
727 #ifdef VV_DISABLEDELEG
728 #define NFSVNO_DELEGOK(v) \
729 ((v) == NULL || ((v)->v_vflag & VV_DISABLEDELEG) == 0)
731 #define NFSVNO_DELEGOK(v) (1)
736 #endif /* _NFSPORT_NFS_H */