2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1989, 1993
5 * The Regents of the University of California. All rights reserved.
7 * This code is derived from software contributed to Berkeley by
8 * Rick Macklem at The University of Guelph.
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
40 * Tunable constants for nfs
43 #define NFS_MAXIOVEC 34
44 #define NFS_TICKINTVL 500 /* Desired time for a tick (msec) */
45 #define NFS_HZ (hz / nfscl_ticks) /* Ticks/sec */
46 #define NFS_TIMEO (1 * NFS_HZ) /* Default timeout = 1 second */
47 #define NFS_MINTIMEO (1 * NFS_HZ) /* Min timeout to use */
48 #define NFS_MAXTIMEO (60 * NFS_HZ) /* Max timeout to backoff to */
49 #define NFS_TCPTIMEO 300 /* TCP timeout */
50 #define NFS_MAXRCVTIMEO 60 /* 1 minute in seconds */
51 #define NFS_MINIDEMTIMEO (5 * NFS_HZ) /* Min timeout for non-idempotent ops*/
52 #define NFS_MAXREXMIT 100 /* Stop counting after this many */
53 #define NFSV4_CALLBACKTIMEO (2 * NFS_HZ) /* Timeout in ticks */
54 #define NFSV4_CALLBACKRETRY 5 /* Number of retries before failure */
55 #define NFSV4_SLOTS 64 /* Number of slots, fore channel */
56 #define NFSV4_CBSLOTS 8 /* Number of slots, back channel */
57 #define NFSV4_CBRETRYCNT 4 /* # of CBRecall retries upon err */
58 #define NFSV4_UPCALLTIMEO (15 * NFS_HZ) /* Timeout in ticks for upcalls */
59 /* to gssd or nfsuserd */
60 #define NFSV4_UPCALLRETRY 4 /* Number of retries before failure */
61 #define NFS_MAXWINDOW 1024 /* Max number of outstanding requests */
62 #define NFS_RETRANS 10 /* Num of retrans for soft mounts */
63 #define NFS_RETRANS_TCP 2 /* Num of retrans for TCP soft mounts */
64 #define NFS_MAXGRPS 16 /* Max. size of groups list */
65 #define NFS_TRYLATERDEL 15 /* Maximum delay timeout (sec) */
66 #ifndef NFS_REMOVETIMEO
67 #define NFS_REMOVETIMEO 15 /* # sec to wait for delegret in local syscall */
69 #ifndef NFS_MINATTRTIMO
70 #define NFS_MINATTRTIMO 5 /* Attribute cache timeout in sec */
72 #ifndef NFS_MAXATTRTIMO
73 #define NFS_MAXATTRTIMO 60
75 #define NFS_WSIZE 8192 /* Def. write data size <= 8192 */
76 #define NFS_RSIZE 8192 /* Def. read data size <= 8192 */
77 #define NFS_READDIRSIZE 8192 /* Def. readdir size */
78 #define NFS_DEFRAHEAD 1 /* Def. read ahead # blocks */
79 #define NFS_MAXRAHEAD 16 /* Max. read ahead # blocks */
80 #define NFS_MAXASYNCDAEMON 64 /* Max. number async_daemons runnable */
81 #define NFS_MAXUIDHASH 64 /* Max. # of hashed uid entries/mp */
83 #define NFSRV_LEASE 120 /* Lease time in seconds for V4 */
84 #endif /* assigned to nfsrv_lease */
85 #ifndef NFSRV_STALELEASE
86 #define NFSRV_STALELEASE (5 * nfsrv_lease)
88 #ifndef NFSRV_MOULDYLEASE
89 #define NFSRV_MOULDYLEASE 604800 /* One week (in sec) */
91 #ifndef NFSCLIENTHASHSIZE
92 #define NFSCLIENTHASHSIZE 20 /* Size of server client hash table */
94 #ifndef NFSLOCKHASHSIZE
95 #define NFSLOCKHASHSIZE 20 /* Size of server nfslock hash table */
97 #ifndef NFSSESSIONHASHSIZE
98 #define NFSSESSIONHASHSIZE 20 /* Size of server session hash table */
100 #define NFSSTATEHASHSIZE 10 /* Size of server stateid hash table */
101 #define NFSLAYOUTHIGHWATER 1000000 /* Upper limit for # of layouts */
102 #ifndef NFSCLDELEGHIGHWATER
103 #define NFSCLDELEGHIGHWATER 10000 /* limit for client delegations */
105 #ifndef NFSCLLAYOUTHIGHWATER
106 #define NFSCLLAYOUTHIGHWATER 10000 /* limit for client pNFS layouts */
108 #ifndef NFSNOOPEN /* Inactive open owner (sec) */
109 #define NFSNOOPEN 120
111 #define NFSRV_LEASEDELTA 15 /* # of seconds to delay beyond lease */
112 #define NFS_IDMAXSIZE 4 /* max sizeof (in_addr_t) */
113 #ifndef NFSRVCACHE_UDPTIMEOUT
114 #define NFSRVCACHE_UDPTIMEOUT 30 /* # of sec to hold cached rpcs(udp) */
116 #ifndef NFSRVCACHE_UDPHIGHWATER
117 #define NFSRVCACHE_UDPHIGHWATER 500 /* Max # of udp cache entries */
119 #ifndef NFSRVCACHE_TCPTIMEOUT
120 #define NFSRVCACHE_TCPTIMEOUT (3600*12) /*#of sec to hold cached rpcs(tcp) */
122 #ifndef NFSRVCACHE_FLOODLEVEL
123 #define NFSRVCACHE_FLOODLEVEL 16384 /* Very high water mark for cache */
125 #ifndef NFSRV_CLIENTHIGHWATER
126 #define NFSRV_CLIENTHIGHWATER 1000
128 #ifndef NFSRV_MAXDUMPLIST
129 #define NFSRV_MAXDUMPLIST 10000
131 #ifndef NFS_ACCESSCACHESIZE
132 #define NFS_ACCESSCACHESIZE 8
134 #define NFSV4_CBPORT 7745 /* Callback port for testing */
137 * This macro defines the high water mark for issuing V4 delegations.
138 * (It is currently set at a conservative 20% of nfsrv_v4statelimit. This
139 * may want to increase when clients can make more effective use of
142 #define NFSRV_V4DELEGLIMIT(c) (((c) * 5) > nfsrv_v4statelimit)
144 #define NFS_READDIRBLKSIZ DIRBLKSIZ /* Minimal nm_readdirsize */
149 #define NFS_CMPFH(n, f, s) \
150 ((n)->n_fhp->nfh_len == (s) && !NFSBCMP((n)->n_fhp->nfh_fh, (caddr_t)(f), (s)))
151 #define NFSRV_CMPFH(nf, ns, f, s) \
152 ((ns) == (s) && !NFSBCMP((caddr_t)(nf), (caddr_t)(f), (s)))
153 #define NFS_CMPTIME(t1, t2) \
154 ((t1).tv_sec == (t2).tv_sec && (t1).tv_nsec == (t2).tv_nsec)
155 #define NFS_SETTIME(t) do { \
156 (t).tv_sec = time.tv_sec; (t).tv_nsec = 1000 * time.tv_usec; } while (0)
157 #define NFS_SRVMAXDATA(n) \
158 (((n)->nd_flag & (ND_NFSV3 | ND_NFSV4)) ? \
159 NFS_SRVMAXIO : NFS_V2MAXDATA)
160 #define NFS64BITSSET 0xffffffffffffffffull
161 #define NFS64BITSMINUS1 0xfffffffffffffffeull
164 * Structures for the nfssvc(2) syscall. Not that anyone but nfsd, mount_nfs
165 * and nfsloaduser should ever try and use it.
167 struct nfsd_addsock_args {
168 int sock; /* Socket to serve */
169 caddr_t name; /* Client addr for connection based sockets */
170 int namelen; /* Length of name */
174 * nfsd argument for new krpc.
175 * (New version supports pNFS, indicated by NFSSVC_NEWSTRUCT flag.)
177 struct nfsd_nfsd_args {
178 const char *principal; /* GSS-API service principal name */
179 int minthreads; /* minimum service thread count */
180 int maxthreads; /* maximum service thread count */
181 int version; /* Allow multiple variants */
182 char *addr; /* pNFS DS addresses */
183 int addrlen; /* Length of addrs */
184 char *dnshost; /* DNS names for DS addresses */
185 int dnshostlen; /* Length of DNS names */
186 char *dspath; /* DS Mount path on MDS */
187 int dspathlen; /* Length of DS Mount path on MDS */
188 int mirrorcnt; /* Number of mirrors to create on DSs */
192 * NFSDEV_MAXMIRRORS - Maximum level of mirroring for a DS.
193 * (Most will only put files on two DSs, but this setting allows up to 4.)
194 * NFSDEV_MAXVERS - maximum number of NFS versions supported by Flex File.
196 #define NFSDEV_MAXMIRRORS 4
197 #define NFSDEV_MAXVERS 4
199 struct nfsd_pnfsd_args {
200 int op; /* Which pNFSd op to perform. */
201 char *mdspath; /* Path of MDS file. */
202 char *dspath; /* Path of recovered DS mounted on dir. */
203 char *curdspath; /* Path of current DS mounted on dir. */
206 #define PNFSDOP_DELDSSERVER 1
207 #define PNFSDOP_COPYMR 2
210 struct nfsd_nfsd_oargs {
211 const char *principal; /* GSS-API service principal name */
212 int minthreads; /* minimum service thread count */
213 int maxthreads; /* maximum service thread count */
217 * Arguments for use by the callback daemon.
219 struct nfsd_nfscbd_args {
220 const char *principal; /* GSS-API service principal name */
224 int sock; /* Socket to serve */
225 caddr_t name; /* Client addr for connection based sockets */
226 int namelen; /* Length of name */
227 u_short port; /* Port# for callbacks */
231 int nid_flag; /* Flags (see below) */
232 uid_t nid_uid; /* user/group id */
234 int nid_usermax; /* Upper bound on user name cache */
235 int nid_usertimeout;/* User name timeout (minutes) */
236 u_char *nid_name; /* Name */
237 int nid_namelen; /* and its length */
238 gid_t *nid_grps; /* and the list */
239 int nid_ngroup; /* Size of groups list */
242 struct nfsd_oidargs {
243 int nid_flag; /* Flags (see below) */
244 uid_t nid_uid; /* user/group id */
246 int nid_usermax; /* Upper bound on user name cache */
247 int nid_usertimeout;/* User name timeout (minutes) */
248 u_char *nid_name; /* Name */
249 int nid_namelen; /* and its length */
253 int nclid_idlen; /* Length of client id */
254 u_char nclid_id[NFSV4_OPAQUELIMIT]; /* and name */
257 struct nfsd_dumplist {
258 int ndl_size; /* Number of elements */
259 void *ndl_list; /* and the list of elements */
262 struct nfsd_dumpclients {
263 u_int32_t ndcl_flags; /* LCL_xxx flags */
264 u_int32_t ndcl_nopenowners; /* Number of openowners */
265 u_int32_t ndcl_nopens; /* and opens */
266 u_int32_t ndcl_nlockowners; /* and of lockowners */
267 u_int32_t ndcl_nlocks; /* and of locks */
268 u_int32_t ndcl_ndelegs; /* and of delegations */
269 u_int32_t ndcl_nolddelegs; /* and old delegations */
270 sa_family_t ndcl_addrfam; /* Callback address */
272 struct in_addr sin_addr;
273 struct in6_addr sin6_addr;
275 struct nfsd_clid ndcl_clid; /* and client id */
278 struct nfsd_dumplocklist {
279 char *ndllck_fname; /* File Name */
280 int ndllck_size; /* Number of elements */
281 void *ndllck_list; /* and the list of elements */
284 struct nfsd_dumplocks {
285 u_int32_t ndlck_flags; /* state flags NFSLCK_xxx */
286 nfsv4stateid_t ndlck_stateid; /* stateid */
287 u_int64_t ndlck_first; /* lock byte range */
289 struct nfsd_clid ndlck_owner; /* Owner of open/lock */
290 sa_family_t ndlck_addrfam; /* Callback address */
292 struct in_addr sin_addr;
293 struct in6_addr sin6_addr;
295 struct nfsd_clid ndlck_clid; /* and client id */
299 * Structure for referral information.
302 u_char *nfr_srvlist; /* List of servers */
303 int nfr_srvcnt; /* number of servers */
304 vnode_t nfr_vp; /* vnode for referral */
305 uint64_t nfr_dfileno; /* assigned dir inode# */
309 * Flags for lc_flags and opsflags for nfsrv_getclient().
311 #define LCL_NEEDSCONFIRM 0x00000001
312 #define LCL_DONTCLEAN 0x00000002
313 #define LCL_WAKEUPWANTED 0x00000004
314 #define LCL_TCPCALLBACK 0x00000008
315 #define LCL_CALLBACKSON 0x00000010
316 #define LCL_INDEXNOTOK 0x00000020
317 #define LCL_STAMPEDSTABLE 0x00000040
318 #define LCL_EXPIREIT 0x00000080
319 #define LCL_CBDOWN 0x00000100
320 #define LCL_KERBV 0x00000400
321 #define LCL_NAME 0x00000800
322 #define LCL_NEEDSCBNULL 0x00001000
323 #define LCL_GSSINTEGRITY 0x00002000
324 #define LCL_GSSPRIVACY 0x00004000
325 #define LCL_ADMINREVOKED 0x00008000
326 #define LCL_RECLAIMCOMPLETE 0x00010000
327 #define LCL_NFSV41 0x00020000
328 #define LCL_DONEBINDCONN 0x00040000
330 #define LCL_GSS LCL_KERBV /* Or of all mechs */
333 * Bits for flags in nfslock and nfsstate.
334 * The access, deny, NFSLCK_READ and NFSLCK_WRITE bits must be defined as
335 * below, in the correct order, so the shifts work for tests.
337 #define NFSLCK_READACCESS 0x00000001
338 #define NFSLCK_WRITEACCESS 0x00000002
339 #define NFSLCK_ACCESSBITS (NFSLCK_READACCESS | NFSLCK_WRITEACCESS)
340 #define NFSLCK_SHIFT 2
341 #define NFSLCK_READDENY 0x00000004
342 #define NFSLCK_WRITEDENY 0x00000008
343 #define NFSLCK_DENYBITS (NFSLCK_READDENY | NFSLCK_WRITEDENY)
344 #define NFSLCK_SHAREBITS \
345 (NFSLCK_READACCESS|NFSLCK_WRITEACCESS|NFSLCK_READDENY|NFSLCK_WRITEDENY)
346 #define NFSLCK_LOCKSHIFT 4
347 #define NFSLCK_READ 0x00000010
348 #define NFSLCK_WRITE 0x00000020
349 #define NFSLCK_BLOCKING 0x00000040
350 #define NFSLCK_RECLAIM 0x00000080
351 #define NFSLCK_OPENTOLOCK 0x00000100
352 #define NFSLCK_TEST 0x00000200
353 #define NFSLCK_LOCK 0x00000400
354 #define NFSLCK_UNLOCK 0x00000800
355 #define NFSLCK_OPEN 0x00001000
356 #define NFSLCK_CLOSE 0x00002000
357 #define NFSLCK_CHECK 0x00004000
358 #define NFSLCK_RELEASE 0x00008000
359 #define NFSLCK_NEEDSCONFIRM 0x00010000
360 #define NFSLCK_CONFIRM 0x00020000
361 #define NFSLCK_DOWNGRADE 0x00040000
362 #define NFSLCK_DELEGREAD 0x00080000
363 #define NFSLCK_DELEGWRITE 0x00100000
364 #define NFSLCK_DELEGCUR 0x00200000
365 #define NFSLCK_DELEGPREV 0x00400000
366 #define NFSLCK_OLDDELEG 0x00800000
367 #define NFSLCK_DELEGRECALL 0x01000000
368 #define NFSLCK_SETATTR 0x02000000
369 #define NFSLCK_DELEGPURGE 0x04000000
370 #define NFSLCK_DELEGRETURN 0x08000000
371 #define NFSLCK_WANTWDELEG 0x10000000
372 #define NFSLCK_WANTRDELEG 0x20000000
373 #define NFSLCK_WANTNODELEG 0x40000000
374 #define NFSLCK_WANTBITS \
375 (NFSLCK_WANTWDELEG | NFSLCK_WANTRDELEG | NFSLCK_WANTNODELEG)
377 /* And bits for nid_flag */
378 #define NFSID_INITIALIZE 0x0001
379 #define NFSID_ADDUID 0x0002
380 #define NFSID_DELUID 0x0004
381 #define NFSID_ADDUSERNAME 0x0008
382 #define NFSID_DELUSERNAME 0x0010
383 #define NFSID_ADDGID 0x0020
384 #define NFSID_DELGID 0x0040
385 #define NFSID_ADDGROUPNAME 0x0080
386 #define NFSID_DELGROUPNAME 0x0100
389 * fs.nfs sysctl(3) identifiers
391 #define NFS_NFSSTATS 1 /* struct: struct nfsstats */
394 * Here is the definition of the attribute bits array and macros that
396 * THE MACROS MUST BE MANUALLY MODIFIED IF NFSATTRBIT_MAXWORDS CHANGES!!
397 * It is (NFSATTRBIT_MAX + 31) / 32.
399 #define NFSATTRBIT_MAXWORDS 3
402 u_int32_t bits[NFSATTRBIT_MAXWORDS];
405 #define NFSZERO_ATTRBIT(b) do { \
411 #define NFSSET_ATTRBIT(t, f) do { \
412 (t)->bits[0] = (f)->bits[0]; \
413 (t)->bits[1] = (f)->bits[1]; \
414 (t)->bits[2] = (f)->bits[2]; \
417 #define NFSSETSUPP_ATTRBIT(b) do { \
418 (b)->bits[0] = NFSATTRBIT_SUPP0; \
419 (b)->bits[1] = (NFSATTRBIT_SUPP1 | NFSATTRBIT_SUPPSETONLY); \
420 (b)->bits[2] = NFSATTRBIT_SUPP2; \
423 #define NFSISSET_ATTRBIT(b, p) ((b)->bits[(p) / 32] & (1 << ((p) % 32)))
424 #define NFSSETBIT_ATTRBIT(b, p) ((b)->bits[(p) / 32] |= (1 << ((p) % 32)))
425 #define NFSCLRBIT_ATTRBIT(b, p) ((b)->bits[(p) / 32] &= ~(1 << ((p) % 32)))
427 #define NFSCLRALL_ATTRBIT(b, a) do { \
428 (b)->bits[0] &= ~((a)->bits[0]); \
429 (b)->bits[1] &= ~((a)->bits[1]); \
430 (b)->bits[2] &= ~((a)->bits[2]); \
433 #define NFSCLRNOT_ATTRBIT(b, a) do { \
434 (b)->bits[0] &= ((a)->bits[0]); \
435 (b)->bits[1] &= ((a)->bits[1]); \
436 (b)->bits[2] &= ((a)->bits[2]); \
439 #define NFSCLRNOTFILLABLE_ATTRBIT(b) do { \
440 (b)->bits[0] &= NFSATTRBIT_SUPP0; \
441 (b)->bits[1] &= NFSATTRBIT_SUPP1; \
442 (b)->bits[2] &= NFSATTRBIT_SUPP2; \
445 #define NFSCLRNOTSETABLE_ATTRBIT(b) do { \
446 (b)->bits[0] &= NFSATTRBIT_SETABLE0; \
447 (b)->bits[1] &= NFSATTRBIT_SETABLE1; \
448 (b)->bits[2] &= NFSATTRBIT_SETABLE2; \
451 #define NFSNONZERO_ATTRBIT(b) ((b)->bits[0] || (b)->bits[1] || (b)->bits[2])
452 #define NFSEQUAL_ATTRBIT(b, p) ((b)->bits[0] == (p)->bits[0] && \
453 (b)->bits[1] == (p)->bits[1] && (b)->bits[2] == (p)->bits[2])
455 #define NFSGETATTR_ATTRBIT(b) do { \
456 (b)->bits[0] = NFSATTRBIT_GETATTR0; \
457 (b)->bits[1] = NFSATTRBIT_GETATTR1; \
458 (b)->bits[2] = NFSATTRBIT_GETATTR2; \
461 #define NFSWCCATTR_ATTRBIT(b) do { \
462 (b)->bits[0] = NFSATTRBIT_WCCATTR0; \
463 (b)->bits[1] = NFSATTRBIT_WCCATTR1; \
464 (b)->bits[2] = NFSATTRBIT_WCCATTR2; \
467 #define NFSWRITEGETATTR_ATTRBIT(b) do { \
468 (b)->bits[0] = NFSATTRBIT_WRITEGETATTR0; \
469 (b)->bits[1] = NFSATTRBIT_WRITEGETATTR1; \
470 (b)->bits[2] = NFSATTRBIT_WRITEGETATTR2; \
473 #define NFSCBGETATTR_ATTRBIT(b, c) do { \
474 (c)->bits[0] = ((b)->bits[0] & NFSATTRBIT_CBGETATTR0); \
475 (c)->bits[1] = ((b)->bits[1] & NFSATTRBIT_CBGETATTR1); \
476 (c)->bits[2] = ((b)->bits[2] & NFSATTRBIT_CBGETATTR2); \
479 #define NFSPATHCONF_GETATTRBIT(b) do { \
480 (b)->bits[0] = NFSGETATTRBIT_PATHCONF0; \
481 (b)->bits[1] = NFSGETATTRBIT_PATHCONF1; \
482 (b)->bits[2] = NFSGETATTRBIT_PATHCONF2; \
485 #define NFSSTATFS_GETATTRBIT(b) do { \
486 (b)->bits[0] = NFSGETATTRBIT_STATFS0; \
487 (b)->bits[1] = NFSGETATTRBIT_STATFS1; \
488 (b)->bits[2] = NFSGETATTRBIT_STATFS2; \
491 #define NFSISSETSTATFS_ATTRBIT(b) \
492 (((b)->bits[0] & NFSATTRBIT_STATFS0) || \
493 ((b)->bits[1] & NFSATTRBIT_STATFS1) || \
494 ((b)->bits[2] & NFSATTRBIT_STATFS2))
496 #define NFSCLRSTATFS_ATTRBIT(b) do { \
497 (b)->bits[0] &= ~NFSATTRBIT_STATFS0; \
498 (b)->bits[1] &= ~NFSATTRBIT_STATFS1; \
499 (b)->bits[2] &= ~NFSATTRBIT_STATFS2; \
502 #define NFSREADDIRPLUS_ATTRBIT(b) do { \
503 (b)->bits[0] = NFSATTRBIT_READDIRPLUS0; \
504 (b)->bits[1] = NFSATTRBIT_READDIRPLUS1; \
505 (b)->bits[2] = NFSATTRBIT_READDIRPLUS2; \
508 #define NFSREFERRAL_ATTRBIT(b) do { \
509 (b)->bits[0] = NFSATTRBIT_REFERRAL0; \
510 (b)->bits[1] = NFSATTRBIT_REFERRAL1; \
511 (b)->bits[2] = NFSATTRBIT_REFERRAL2; \
515 * Store uid, gid creds that were used when the stateid was acquired.
516 * The RPC layer allows NFS_MAXGRPS + 1 groups to go out on the wire,
517 * so that's how many gets stored here.
521 gid_t nfsc_groups[NFS_MAXGRPS + 1];
526 * Constants that define the file handle for the V4 root directory.
527 * (The FSID must never be used by other file systems that are exported.)
529 #define NFSV4ROOT_FSID0 ((int32_t) -1)
530 #define NFSV4ROOT_FSID1 ((int32_t) -1)
531 #define NFSV4ROOT_REFERRAL ((int32_t) -2)
532 #define NFSV4ROOT_INO 2 /* It's traditional */
533 #define NFSV4ROOT_GEN 1
536 * The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts.
537 * What should be in this set is open to debate, but I believe that since
538 * I/O system calls on ufs are never interrupted by signals the set should
539 * be minimal. My reasoning is that many current programs that use signals
540 * such as SIGALRM will not expect file I/O system calls to be interrupted
543 #if defined(_KERNEL) || defined(KERNEL)
545 struct uio; struct buf; struct vattr; struct nameidata; /* XXX */
548 * Socket errors ignored for connectionless sockets?
549 * For now, ignore them all
551 #define NFSIGNORE_SOERROR(s, e) \
552 ((e) != EINTR && (e) != ERESTART && (e) != EWOULDBLOCK && \
553 ((s) & PR_CONNREQUIRED) == 0)
557 * This structure holds socket information for a connection. Used by the
558 * client and the server for callbacks.
561 NFSSOCKADDR_T nr_nam;
565 struct ucred *nr_cred;
570 struct __rpc_client *nr_client;
575 * And associated nr_lock bits.
577 #define NFSR_SNDLOCK 0x01
578 #define NFSR_WANTSND 0x02
579 #define NFSR_RCVLOCK 0x04
580 #define NFSR_WANTRCV 0x08
581 #define NFSR_RESERVEDPORT 0x10
582 #define NFSR_LOCALHOST 0x20
585 * Queue head for nfsreq's
587 TAILQ_HEAD(nfsreqhead, nfsreq);
589 /* This is the only nfsreq R_xxx flag still used. */
590 #define R_DONTRECOVER 0x00000100 /* don't initiate recovery when this
591 rpc gets a stale state reply */
594 * Network address hash list element
597 struct in_addr had_inet;
598 struct in6_addr had_inet6;
602 * Structure of list of mechanisms.
604 struct nfsgss_mechlist {
609 #define KERBV_MECH 0 /* position in list */
612 * This structure is used by the server for describing each request.
614 struct nfsrv_descript {
615 mbuf_t nd_mrep; /* Request mbuf list */
616 mbuf_t nd_md; /* Current dissect mbuf */
617 mbuf_t nd_mreq; /* Reply mbuf list */
618 mbuf_t nd_mb; /* Current build mbuf */
619 NFSSOCKADDR_T nd_nam; /* and socket addr */
620 NFSSOCKADDR_T nd_nam2; /* return socket addr */
621 caddr_t nd_dpos; /* Current dissect pos */
622 caddr_t nd_bpos; /* Current build pos */
623 u_int64_t nd_flag; /* nd_flag */
624 u_int16_t nd_procnum; /* RPC # */
625 u_int32_t nd_repstat; /* Reply status */
626 int *nd_errp; /* Pointer to ret status */
627 u_int32_t nd_retxid; /* Reply xid */
628 struct nfsrvcache *nd_rp; /* Assoc. cache entry */
629 fhandle_t nd_fh; /* File handle */
630 struct ucred *nd_cred; /* Credentials */
631 uid_t nd_saveduid; /* Saved uid */
632 u_int64_t nd_sockref; /* Rcv socket ref# */
633 u_int64_t nd_compref; /* Compound RPC ref# */
634 time_t nd_tcpconntime; /* Time TCP connection est. */
635 nfsquad_t nd_clientid; /* Implied clientid */
636 int nd_gssnamelen; /* principal name length */
637 char *nd_gssname; /* principal name */
638 uint32_t *nd_slotseq; /* ptr to slot seq# in req */
639 uint8_t nd_sessionid[NFSX_V4SESSIONID]; /* Session id */
640 uint32_t nd_slotid; /* Slotid for this RPC */
641 SVCXPRT *nd_xprt; /* Server RPC handle */
642 uint32_t *nd_sequence; /* Sequence Op. ptr */
643 nfsv4stateid_t nd_curstateid; /* Current StateID */
644 nfsv4stateid_t nd_savedcurstateid; /* Saved Current StateID */
647 #define nd_princlen nd_gssnamelen
648 #define nd_principal nd_gssname
650 /* Bits for "nd_flag" */
651 #define ND_DONTSAVEREPLY 0x00000001
652 #define ND_SAVEREPLY 0x00000002
653 #define ND_NFSV2 0x00000004
654 #define ND_NFSV3 0x00000008
655 #define ND_NFSV4 0x00000010
656 #define ND_KERBV 0x00000020
657 #define ND_GSSINTEGRITY 0x00000040
658 #define ND_GSSPRIVACY 0x00000080
659 #define ND_WINDOWVERF 0x00000100
660 #define ND_GSSINITREPLY 0x00000200
661 #define ND_STREAMSOCK 0x00000400
662 #define ND_PUBLOOKUP 0x00000800
663 #define ND_USEGSSNAME 0x00001000
664 #define ND_SAMETCPCONN 0x00002000
665 #define ND_IMPLIEDCLID 0x00004000
666 #define ND_NOMOREDATA 0x00008000
667 #define ND_V4WCCATTR 0x00010000
668 #define ND_NFSCB 0x00020000
669 #define ND_AUTHNONE 0x00040000
670 #define ND_EXAUTHSYS 0x00080000
671 #define ND_EXGSS 0x00100000
672 #define ND_EXGSSINTEGRITY 0x00200000
673 #define ND_EXGSSPRIVACY 0x00400000
674 #define ND_INCRSEQID 0x00800000
675 #define ND_NFSCL 0x01000000
676 #define ND_NFSV41 0x02000000
677 #define ND_HASSEQUENCE 0x04000000
678 #define ND_CACHETHIS 0x08000000
679 #define ND_LASTOP 0x10000000
680 #define ND_LOOPBADSESS 0x20000000
681 #define ND_DSSERVER 0x40000000
682 #define ND_CURSTATEID 0x80000000
683 #define ND_SAVEDCURSTATEID 0x100000000
684 #define ND_HASSLOTID 0x200000000
687 * ND_GSS should be the "or" of all GSS type authentications.
689 #define ND_GSS (ND_KERBV)
691 struct nfsv4_opflag {
702 * Flags used to indicate what to do w.r.t. seqid checking.
704 #define NFSRVSEQID_FIRST 0x01
705 #define NFSRVSEQID_LAST 0x02
706 #define NFSRVSEQID_OPEN 0x04
709 * assign a doubly linked list to a new head
710 * and prepend one list into another.
712 #define LIST_NEWHEAD(nhead, ohead, field) do { \
713 if (((nhead)->lh_first = (ohead)->lh_first) != NULL) \
714 (ohead)->lh_first->field.le_prev = &(nhead)->lh_first; \
715 (ohead)->lh_first = NULL; \
718 #define LIST_PREPEND(head, phead, lelm, field) do { \
719 if ((head)->lh_first != NULL) { \
720 (lelm)->field.le_next = (head)->lh_first; \
721 (lelm)->field.le_next->field.le_prev = \
722 &(lelm)->field.le_next; \
724 (head)->lh_first = (phead)->lh_first; \
725 (head)->lh_first->field.le_prev = &(head)->lh_first; \
729 * File handle structure for client. Malloc'd to the correct length with
730 * malloc type M_NFSFH.
733 u_int16_t nfh_len; /* Length of file handle */
734 u_int8_t nfh_fh[1]; /* and the file handle */
738 * File handle structure for server. The NFSRV_MAXFH constant is
739 * set in nfsdport.h. I use a 32bit length, so that alignment is
743 u_int32_t nfsrvfh_len;
744 u_int8_t nfsrvfh_data[NFSRV_MAXFH];
748 * This structure is used for sleep locks on the NFSv4 nfsd threads and
749 * NFSv4 client data structures.
752 u_int32_t nfslock_usecnt;
753 u_int8_t nfslock_lock;
755 #define NFSV4LOCK_LOCK 0x01
756 #define NFSV4LOCK_LOCKWANTED 0x02
757 #define NFSV4LOCK_WANTED 0x04
760 * Values for the override argument for nfsvno_accchk().
762 #define NFSACCCHK_NOOVERRIDE 0
763 #define NFSACCCHK_ALLOWROOT 1
764 #define NFSACCCHK_ALLOWOWNER 2
767 * and values for the vpislocked argument for nfsvno_accchk().
769 #define NFSACCCHK_VPNOTLOCKED 0
770 #define NFSACCCHK_VPISLOCKED 1
773 * Slot for the NFSv4.1 Sequence Op.
778 struct mbuf *nfssl_reply;
783 #endif /* _NFS_NFS_H */