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 char *mdspath; /* MDS mount for DS path on MDS */
189 int mdspathlen; /* Length of MDS mount for DS path on MDS */
190 int mirrorcnt; /* Number of mirrors to create on DSs */
194 * NFSDEV_MAXMIRRORS - Maximum level of mirroring for a DS.
195 * (Most will only put files on two DSs, but this setting allows up to 4.)
196 * NFSDEV_MAXVERS - maximum number of NFS versions supported by Flex File.
198 #define NFSDEV_MAXMIRRORS 4
199 #define NFSDEV_MAXVERS 4
201 struct nfsd_pnfsd_args {
202 int op; /* Which pNFSd op to perform. */
203 char *mdspath; /* Path of MDS file. */
204 char *dspath; /* Path of recovered DS mounted on dir. */
205 char *curdspath; /* Path of current DS mounted on dir. */
208 #define PNFSDOP_DELDSSERVER 1
209 #define PNFSDOP_COPYMR 2
210 #define PNFSDOP_FORCEDELDS 3
213 struct nfsd_nfsd_oargs {
214 const char *principal; /* GSS-API service principal name */
215 int minthreads; /* minimum service thread count */
216 int maxthreads; /* maximum service thread count */
220 * Arguments for use by the callback daemon.
222 struct nfsd_nfscbd_args {
223 const char *principal; /* GSS-API service principal name */
227 int sock; /* Socket to serve */
228 caddr_t name; /* Client addr for connection based sockets */
229 int namelen; /* Length of name */
230 u_short port; /* Port# for callbacks */
234 int nid_flag; /* Flags (see below) */
235 uid_t nid_uid; /* user/group id */
237 int nid_usermax; /* Upper bound on user name cache */
238 int nid_usertimeout;/* User name timeout (minutes) */
239 u_char *nid_name; /* Name */
240 int nid_namelen; /* and its length */
241 gid_t *nid_grps; /* and the list */
242 int nid_ngroup; /* Size of groups list */
245 struct nfsd_oidargs {
246 int nid_flag; /* Flags (see below) */
247 uid_t nid_uid; /* user/group id */
249 int nid_usermax; /* Upper bound on user name cache */
250 int nid_usertimeout;/* User name timeout (minutes) */
251 u_char *nid_name; /* Name */
252 int nid_namelen; /* and its length */
256 int nclid_idlen; /* Length of client id */
257 u_char nclid_id[NFSV4_OPAQUELIMIT]; /* and name */
260 struct nfsd_dumplist {
261 int ndl_size; /* Number of elements */
262 void *ndl_list; /* and the list of elements */
265 struct nfsd_dumpclients {
266 u_int32_t ndcl_flags; /* LCL_xxx flags */
267 u_int32_t ndcl_nopenowners; /* Number of openowners */
268 u_int32_t ndcl_nopens; /* and opens */
269 u_int32_t ndcl_nlockowners; /* and of lockowners */
270 u_int32_t ndcl_nlocks; /* and of locks */
271 u_int32_t ndcl_ndelegs; /* and of delegations */
272 u_int32_t ndcl_nolddelegs; /* and old delegations */
273 sa_family_t ndcl_addrfam; /* Callback address */
275 struct in_addr sin_addr;
276 struct in6_addr sin6_addr;
278 struct nfsd_clid ndcl_clid; /* and client id */
281 struct nfsd_dumplocklist {
282 char *ndllck_fname; /* File Name */
283 int ndllck_size; /* Number of elements */
284 void *ndllck_list; /* and the list of elements */
287 struct nfsd_dumplocks {
288 u_int32_t ndlck_flags; /* state flags NFSLCK_xxx */
289 nfsv4stateid_t ndlck_stateid; /* stateid */
290 u_int64_t ndlck_first; /* lock byte range */
292 struct nfsd_clid ndlck_owner; /* Owner of open/lock */
293 sa_family_t ndlck_addrfam; /* Callback address */
295 struct in_addr sin_addr;
296 struct in6_addr sin6_addr;
298 struct nfsd_clid ndlck_clid; /* and client id */
302 * Structure for referral information.
305 u_char *nfr_srvlist; /* List of servers */
306 int nfr_srvcnt; /* number of servers */
307 vnode_t nfr_vp; /* vnode for referral */
308 uint64_t nfr_dfileno; /* assigned dir inode# */
312 * Flags for lc_flags and opsflags for nfsrv_getclient().
314 #define LCL_NEEDSCONFIRM 0x00000001
315 #define LCL_DONTCLEAN 0x00000002
316 #define LCL_WAKEUPWANTED 0x00000004
317 #define LCL_TCPCALLBACK 0x00000008
318 #define LCL_CALLBACKSON 0x00000010
319 #define LCL_INDEXNOTOK 0x00000020
320 #define LCL_STAMPEDSTABLE 0x00000040
321 #define LCL_EXPIREIT 0x00000080
322 #define LCL_CBDOWN 0x00000100
323 #define LCL_KERBV 0x00000400
324 #define LCL_NAME 0x00000800
325 #define LCL_NEEDSCBNULL 0x00001000
326 #define LCL_GSSINTEGRITY 0x00002000
327 #define LCL_GSSPRIVACY 0x00004000
328 #define LCL_ADMINREVOKED 0x00008000
329 #define LCL_RECLAIMCOMPLETE 0x00010000
330 #define LCL_NFSV41 0x00020000
331 #define LCL_DONEBINDCONN 0x00040000
332 #define LCL_RECLAIMONEFS 0x00080000
334 #define LCL_GSS LCL_KERBV /* Or of all mechs */
337 * Bits for flags in nfslock and nfsstate.
338 * The access, deny, NFSLCK_READ and NFSLCK_WRITE bits must be defined as
339 * below, in the correct order, so the shifts work for tests.
341 #define NFSLCK_READACCESS 0x00000001
342 #define NFSLCK_WRITEACCESS 0x00000002
343 #define NFSLCK_ACCESSBITS (NFSLCK_READACCESS | NFSLCK_WRITEACCESS)
344 #define NFSLCK_SHIFT 2
345 #define NFSLCK_READDENY 0x00000004
346 #define NFSLCK_WRITEDENY 0x00000008
347 #define NFSLCK_DENYBITS (NFSLCK_READDENY | NFSLCK_WRITEDENY)
348 #define NFSLCK_SHAREBITS \
349 (NFSLCK_READACCESS|NFSLCK_WRITEACCESS|NFSLCK_READDENY|NFSLCK_WRITEDENY)
350 #define NFSLCK_LOCKSHIFT 4
351 #define NFSLCK_READ 0x00000010
352 #define NFSLCK_WRITE 0x00000020
353 #define NFSLCK_BLOCKING 0x00000040
354 #define NFSLCK_RECLAIM 0x00000080
355 #define NFSLCK_OPENTOLOCK 0x00000100
356 #define NFSLCK_TEST 0x00000200
357 #define NFSLCK_LOCK 0x00000400
358 #define NFSLCK_UNLOCK 0x00000800
359 #define NFSLCK_OPEN 0x00001000
360 #define NFSLCK_CLOSE 0x00002000
361 #define NFSLCK_CHECK 0x00004000
362 #define NFSLCK_RELEASE 0x00008000
363 #define NFSLCK_NEEDSCONFIRM 0x00010000
364 #define NFSLCK_CONFIRM 0x00020000
365 #define NFSLCK_DOWNGRADE 0x00040000
366 #define NFSLCK_DELEGREAD 0x00080000
367 #define NFSLCK_DELEGWRITE 0x00100000
368 #define NFSLCK_DELEGCUR 0x00200000
369 #define NFSLCK_DELEGPREV 0x00400000
370 #define NFSLCK_OLDDELEG 0x00800000
371 #define NFSLCK_DELEGRECALL 0x01000000
372 #define NFSLCK_SETATTR 0x02000000
373 #define NFSLCK_DELEGPURGE 0x04000000
374 #define NFSLCK_DELEGRETURN 0x08000000
375 #define NFSLCK_WANTWDELEG 0x10000000
376 #define NFSLCK_WANTRDELEG 0x20000000
377 #define NFSLCK_WANTNODELEG 0x40000000
378 #define NFSLCK_WANTBITS \
379 (NFSLCK_WANTWDELEG | NFSLCK_WANTRDELEG | NFSLCK_WANTNODELEG)
381 /* And bits for nid_flag */
382 #define NFSID_INITIALIZE 0x0001
383 #define NFSID_ADDUID 0x0002
384 #define NFSID_DELUID 0x0004
385 #define NFSID_ADDUSERNAME 0x0008
386 #define NFSID_DELUSERNAME 0x0010
387 #define NFSID_ADDGID 0x0020
388 #define NFSID_DELGID 0x0040
389 #define NFSID_ADDGROUPNAME 0x0080
390 #define NFSID_DELGROUPNAME 0x0100
393 * fs.nfs sysctl(3) identifiers
395 #define NFS_NFSSTATS 1 /* struct: struct nfsstats */
398 * Here is the definition of the attribute bits array and macros that
400 * THE MACROS MUST BE MANUALLY MODIFIED IF NFSATTRBIT_MAXWORDS CHANGES!!
401 * It is (NFSATTRBIT_MAX + 31) / 32.
403 #define NFSATTRBIT_MAXWORDS 3
406 u_int32_t bits[NFSATTRBIT_MAXWORDS];
409 #define NFSZERO_ATTRBIT(b) do { \
415 #define NFSSET_ATTRBIT(t, f) do { \
416 (t)->bits[0] = (f)->bits[0]; \
417 (t)->bits[1] = (f)->bits[1]; \
418 (t)->bits[2] = (f)->bits[2]; \
421 #define NFSSETSUPP_ATTRBIT(b) do { \
422 (b)->bits[0] = NFSATTRBIT_SUPP0; \
423 (b)->bits[1] = (NFSATTRBIT_SUPP1 | NFSATTRBIT_SUPPSETONLY); \
424 (b)->bits[2] = NFSATTRBIT_SUPP2; \
427 #define NFSISSET_ATTRBIT(b, p) ((b)->bits[(p) / 32] & (1 << ((p) % 32)))
428 #define NFSSETBIT_ATTRBIT(b, p) ((b)->bits[(p) / 32] |= (1 << ((p) % 32)))
429 #define NFSCLRBIT_ATTRBIT(b, p) ((b)->bits[(p) / 32] &= ~(1 << ((p) % 32)))
431 #define NFSCLRALL_ATTRBIT(b, a) do { \
432 (b)->bits[0] &= ~((a)->bits[0]); \
433 (b)->bits[1] &= ~((a)->bits[1]); \
434 (b)->bits[2] &= ~((a)->bits[2]); \
437 #define NFSCLRNOT_ATTRBIT(b, a) do { \
438 (b)->bits[0] &= ((a)->bits[0]); \
439 (b)->bits[1] &= ((a)->bits[1]); \
440 (b)->bits[2] &= ((a)->bits[2]); \
443 #define NFSCLRNOTFILLABLE_ATTRBIT(b) do { \
444 (b)->bits[0] &= NFSATTRBIT_SUPP0; \
445 (b)->bits[1] &= NFSATTRBIT_SUPP1; \
446 (b)->bits[2] &= NFSATTRBIT_SUPP2; \
449 #define NFSCLRNOTSETABLE_ATTRBIT(b) do { \
450 (b)->bits[0] &= NFSATTRBIT_SETABLE0; \
451 (b)->bits[1] &= NFSATTRBIT_SETABLE1; \
452 (b)->bits[2] &= NFSATTRBIT_SETABLE2; \
455 #define NFSNONZERO_ATTRBIT(b) ((b)->bits[0] || (b)->bits[1] || (b)->bits[2])
456 #define NFSEQUAL_ATTRBIT(b, p) ((b)->bits[0] == (p)->bits[0] && \
457 (b)->bits[1] == (p)->bits[1] && (b)->bits[2] == (p)->bits[2])
459 #define NFSGETATTR_ATTRBIT(b) do { \
460 (b)->bits[0] = NFSATTRBIT_GETATTR0; \
461 (b)->bits[1] = NFSATTRBIT_GETATTR1; \
462 (b)->bits[2] = NFSATTRBIT_GETATTR2; \
465 #define NFSWCCATTR_ATTRBIT(b) do { \
466 (b)->bits[0] = NFSATTRBIT_WCCATTR0; \
467 (b)->bits[1] = NFSATTRBIT_WCCATTR1; \
468 (b)->bits[2] = NFSATTRBIT_WCCATTR2; \
471 #define NFSWRITEGETATTR_ATTRBIT(b) do { \
472 (b)->bits[0] = NFSATTRBIT_WRITEGETATTR0; \
473 (b)->bits[1] = NFSATTRBIT_WRITEGETATTR1; \
474 (b)->bits[2] = NFSATTRBIT_WRITEGETATTR2; \
477 #define NFSCBGETATTR_ATTRBIT(b, c) do { \
478 (c)->bits[0] = ((b)->bits[0] & NFSATTRBIT_CBGETATTR0); \
479 (c)->bits[1] = ((b)->bits[1] & NFSATTRBIT_CBGETATTR1); \
480 (c)->bits[2] = ((b)->bits[2] & NFSATTRBIT_CBGETATTR2); \
483 #define NFSPATHCONF_GETATTRBIT(b) do { \
484 (b)->bits[0] = NFSGETATTRBIT_PATHCONF0; \
485 (b)->bits[1] = NFSGETATTRBIT_PATHCONF1; \
486 (b)->bits[2] = NFSGETATTRBIT_PATHCONF2; \
489 #define NFSSTATFS_GETATTRBIT(b) do { \
490 (b)->bits[0] = NFSGETATTRBIT_STATFS0; \
491 (b)->bits[1] = NFSGETATTRBIT_STATFS1; \
492 (b)->bits[2] = NFSGETATTRBIT_STATFS2; \
495 #define NFSISSETSTATFS_ATTRBIT(b) \
496 (((b)->bits[0] & NFSATTRBIT_STATFS0) || \
497 ((b)->bits[1] & NFSATTRBIT_STATFS1) || \
498 ((b)->bits[2] & NFSATTRBIT_STATFS2))
500 #define NFSCLRSTATFS_ATTRBIT(b) do { \
501 (b)->bits[0] &= ~NFSATTRBIT_STATFS0; \
502 (b)->bits[1] &= ~NFSATTRBIT_STATFS1; \
503 (b)->bits[2] &= ~NFSATTRBIT_STATFS2; \
506 #define NFSREADDIRPLUS_ATTRBIT(b) do { \
507 (b)->bits[0] = NFSATTRBIT_READDIRPLUS0; \
508 (b)->bits[1] = NFSATTRBIT_READDIRPLUS1; \
509 (b)->bits[2] = NFSATTRBIT_READDIRPLUS2; \
512 #define NFSREFERRAL_ATTRBIT(b) do { \
513 (b)->bits[0] = NFSATTRBIT_REFERRAL0; \
514 (b)->bits[1] = NFSATTRBIT_REFERRAL1; \
515 (b)->bits[2] = NFSATTRBIT_REFERRAL2; \
519 * Store uid, gid creds that were used when the stateid was acquired.
520 * The RPC layer allows NFS_MAXGRPS + 1 groups to go out on the wire,
521 * so that's how many gets stored here.
525 gid_t nfsc_groups[NFS_MAXGRPS + 1];
530 * Constants that define the file handle for the V4 root directory.
531 * (The FSID must never be used by other file systems that are exported.)
533 #define NFSV4ROOT_FSID0 ((int32_t) -1)
534 #define NFSV4ROOT_FSID1 ((int32_t) -1)
535 #define NFSV4ROOT_REFERRAL ((int32_t) -2)
536 #define NFSV4ROOT_INO 2 /* It's traditional */
537 #define NFSV4ROOT_GEN 1
540 * The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts.
541 * What should be in this set is open to debate, but I believe that since
542 * I/O system calls on ufs are never interrupted by signals the set should
543 * be minimal. My reasoning is that many current programs that use signals
544 * such as SIGALRM will not expect file I/O system calls to be interrupted
547 #if defined(_KERNEL) || defined(KERNEL)
549 struct uio; struct buf; struct vattr; struct nameidata; /* XXX */
552 * Socket errors ignored for connectionless sockets?
553 * For now, ignore them all
555 #define NFSIGNORE_SOERROR(s, e) \
556 ((e) != EINTR && (e) != ERESTART && (e) != EWOULDBLOCK && \
557 ((s) & PR_CONNREQUIRED) == 0)
561 * This structure holds socket information for a connection. Used by the
562 * client and the server for callbacks.
565 NFSSOCKADDR_T nr_nam;
569 struct ucred *nr_cred;
574 struct __rpc_client *nr_client;
579 * And associated nr_lock bits.
581 #define NFSR_SNDLOCK 0x01
582 #define NFSR_WANTSND 0x02
583 #define NFSR_RCVLOCK 0x04
584 #define NFSR_WANTRCV 0x08
585 #define NFSR_RESERVEDPORT 0x10
586 #define NFSR_LOCALHOST 0x20
589 * Queue head for nfsreq's
591 TAILQ_HEAD(nfsreqhead, nfsreq);
593 /* This is the only nfsreq R_xxx flag still used. */
594 #define R_DONTRECOVER 0x00000100 /* don't initiate recovery when this
595 rpc gets a stale state reply */
598 * Network address hash list element
601 struct in_addr had_inet;
602 struct in6_addr had_inet6;
606 * Structure of list of mechanisms.
608 struct nfsgss_mechlist {
613 #define KERBV_MECH 0 /* position in list */
616 * This structure is used by the server for describing each request.
618 struct nfsrv_descript {
619 mbuf_t nd_mrep; /* Request mbuf list */
620 mbuf_t nd_md; /* Current dissect mbuf */
621 mbuf_t nd_mreq; /* Reply mbuf list */
622 mbuf_t nd_mb; /* Current build mbuf */
623 NFSSOCKADDR_T nd_nam; /* and socket addr */
624 NFSSOCKADDR_T nd_nam2; /* return socket addr */
625 caddr_t nd_dpos; /* Current dissect pos */
626 caddr_t nd_bpos; /* Current build pos */
627 u_int64_t nd_flag; /* nd_flag */
628 u_int16_t nd_procnum; /* RPC # */
629 u_int32_t nd_repstat; /* Reply status */
630 int *nd_errp; /* Pointer to ret status */
631 u_int32_t nd_retxid; /* Reply xid */
632 struct nfsrvcache *nd_rp; /* Assoc. cache entry */
633 fhandle_t nd_fh; /* File handle */
634 struct ucred *nd_cred; /* Credentials */
635 uid_t nd_saveduid; /* Saved uid */
636 u_int64_t nd_sockref; /* Rcv socket ref# */
637 u_int64_t nd_compref; /* Compound RPC ref# */
638 time_t nd_tcpconntime; /* Time TCP connection est. */
639 nfsquad_t nd_clientid; /* Implied clientid */
640 int nd_gssnamelen; /* principal name length */
641 char *nd_gssname; /* principal name */
642 uint32_t *nd_slotseq; /* ptr to slot seq# in req */
643 uint8_t nd_sessionid[NFSX_V4SESSIONID]; /* Session id */
644 uint32_t nd_slotid; /* Slotid for this RPC */
645 SVCXPRT *nd_xprt; /* Server RPC handle */
646 uint32_t *nd_sequence; /* Sequence Op. ptr */
647 nfsv4stateid_t nd_curstateid; /* Current StateID */
648 nfsv4stateid_t nd_savedcurstateid; /* Saved Current StateID */
651 #define nd_princlen nd_gssnamelen
652 #define nd_principal nd_gssname
654 /* Bits for "nd_flag" */
655 #define ND_DONTSAVEREPLY 0x00000001
656 #define ND_SAVEREPLY 0x00000002
657 #define ND_NFSV2 0x00000004
658 #define ND_NFSV3 0x00000008
659 #define ND_NFSV4 0x00000010
660 #define ND_KERBV 0x00000020
661 #define ND_GSSINTEGRITY 0x00000040
662 #define ND_GSSPRIVACY 0x00000080
663 #define ND_WINDOWVERF 0x00000100
664 #define ND_GSSINITREPLY 0x00000200
665 #define ND_STREAMSOCK 0x00000400
666 #define ND_PUBLOOKUP 0x00000800
667 #define ND_USEGSSNAME 0x00001000
668 #define ND_SAMETCPCONN 0x00002000
669 #define ND_IMPLIEDCLID 0x00004000
670 #define ND_NOMOREDATA 0x00008000
671 #define ND_V4WCCATTR 0x00010000
672 #define ND_NFSCB 0x00020000
673 #define ND_AUTHNONE 0x00040000
674 #define ND_EXAUTHSYS 0x00080000
675 #define ND_EXGSS 0x00100000
676 #define ND_EXGSSINTEGRITY 0x00200000
677 #define ND_EXGSSPRIVACY 0x00400000
678 #define ND_INCRSEQID 0x00800000
679 #define ND_NFSCL 0x01000000
680 #define ND_NFSV41 0x02000000
681 #define ND_HASSEQUENCE 0x04000000
682 #define ND_CACHETHIS 0x08000000
683 #define ND_LASTOP 0x10000000
684 #define ND_LOOPBADSESS 0x20000000
685 #define ND_DSSERVER 0x40000000
686 #define ND_CURSTATEID 0x80000000
687 #define ND_SAVEDCURSTATEID 0x100000000
688 #define ND_HASSLOTID 0x200000000
691 * ND_GSS should be the "or" of all GSS type authentications.
693 #define ND_GSS (ND_KERBV)
695 struct nfsv4_opflag {
706 * Flags used to indicate what to do w.r.t. seqid checking.
708 #define NFSRVSEQID_FIRST 0x01
709 #define NFSRVSEQID_LAST 0x02
710 #define NFSRVSEQID_OPEN 0x04
713 * assign a doubly linked list to a new head
714 * and prepend one list into another.
716 #define LIST_NEWHEAD(nhead, ohead, field) do { \
717 if (((nhead)->lh_first = (ohead)->lh_first) != NULL) \
718 (ohead)->lh_first->field.le_prev = &(nhead)->lh_first; \
719 (ohead)->lh_first = NULL; \
722 #define LIST_PREPEND(head, phead, lelm, field) do { \
723 if ((head)->lh_first != NULL) { \
724 (lelm)->field.le_next = (head)->lh_first; \
725 (lelm)->field.le_next->field.le_prev = \
726 &(lelm)->field.le_next; \
728 (head)->lh_first = (phead)->lh_first; \
729 (head)->lh_first->field.le_prev = &(head)->lh_first; \
733 * File handle structure for client. Malloc'd to the correct length with
734 * malloc type M_NFSFH.
737 u_int16_t nfh_len; /* Length of file handle */
738 u_int8_t nfh_fh[1]; /* and the file handle */
742 * File handle structure for server. The NFSRV_MAXFH constant is
743 * set in nfsdport.h. I use a 32bit length, so that alignment is
747 u_int32_t nfsrvfh_len;
748 u_int8_t nfsrvfh_data[NFSRV_MAXFH];
752 * This structure is used for sleep locks on the NFSv4 nfsd threads and
753 * NFSv4 client data structures.
756 u_int32_t nfslock_usecnt;
757 u_int8_t nfslock_lock;
759 #define NFSV4LOCK_LOCK 0x01
760 #define NFSV4LOCK_LOCKWANTED 0x02
761 #define NFSV4LOCK_WANTED 0x04
764 * Values for the override argument for nfsvno_accchk().
766 #define NFSACCCHK_NOOVERRIDE 0
767 #define NFSACCCHK_ALLOWROOT 1
768 #define NFSACCCHK_ALLOWOWNER 2
771 * and values for the vpislocked argument for nfsvno_accchk().
773 #define NFSACCCHK_VPNOTLOCKED 0
774 #define NFSACCCHK_VPISLOCKED 1
777 * Slot for the NFSv4.1 Sequence Op.
782 struct mbuf *nfssl_reply;
787 #endif /* _NFS_NFS_H */