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
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38 * Tunable constants for nfs
41 #define NFS_MAXIOVEC 34
42 #define NFS_TICKINTVL 500 /* Desired time for a tick (msec) */
43 #define NFS_HZ (hz / nfscl_ticks) /* Ticks/sec */
44 #define NFS_TIMEO (1 * NFS_HZ) /* Default timeout = 1 second */
45 #define NFS_MINTIMEO (1 * NFS_HZ) /* Min timeout to use */
46 #define NFS_MAXTIMEO (60 * NFS_HZ) /* Max timeout to backoff to */
47 #define NFS_TCPTIMEO 300 /* TCP timeout */
48 #define NFS_MAXRCVTIMEO 60 /* 1 minute in seconds */
49 #define NFS_MINIDEMTIMEO (5 * NFS_HZ) /* Min timeout for non-idempotent ops*/
50 #define NFS_MAXREXMIT 100 /* Stop counting after this many */
51 #define NFSV4_CALLBACKTIMEO (2 * NFS_HZ) /* Timeout in ticks */
52 #define NFSV4_CALLBACKRETRY 5 /* Number of retries before failure */
53 #define NFSV4_SLOTS 64 /* Number of slots, fore channel */
54 #define NFSV4_CBSLOTS 8 /* Number of slots, back channel */
55 #define NFSV4_CBRETRYCNT 4 /* # of CBRecall retries upon err */
56 #define NFSV4_UPCALLTIMEO (15 * NFS_HZ) /* Timeout in ticks for upcalls */
57 /* to gssd or nfsuserd */
58 #define NFSV4_UPCALLRETRY 4 /* Number of retries before failure */
59 #define NFS_MAXWINDOW 1024 /* Max number of outstanding requests */
60 #define NFS_RETRANS 10 /* Num of retrans for soft mounts */
61 #define NFS_RETRANS_TCP 2 /* Num of retrans for TCP soft mounts */
62 #define NFS_MAXGRPS 16 /* Max. size of groups list */
63 #define NFS_TRYLATERDEL 15 /* Maximum delay timeout (sec) */
64 #ifndef NFS_REMOVETIMEO
65 #define NFS_REMOVETIMEO 15 /* # sec to wait for delegret in local syscall */
67 #ifndef NFS_MINATTRTIMO
68 #define NFS_MINATTRTIMO 5 /* Attribute cache timeout in sec */
70 #ifndef NFS_MAXATTRTIMO
71 #define NFS_MAXATTRTIMO 60
73 #define NFS_WSIZE 8192 /* Def. write data size <= 8192 */
74 #define NFS_RSIZE 8192 /* Def. read data size <= 8192 */
75 #define NFS_READDIRSIZE 8192 /* Def. readdir size */
76 #define NFS_DEFRAHEAD 1 /* Def. read ahead # blocks */
77 #define NFS_MAXRAHEAD 16 /* Max. read ahead # blocks */
78 #define NFS_MAXASYNCDAEMON 64 /* Max. number async_daemons runnable */
79 #define NFS_MAXUIDHASH 64 /* Max. # of hashed uid entries/mp */
81 #define NFSRV_LEASE 120 /* Lease time in seconds for V4 */
82 #endif /* assigned to nfsrv_lease */
83 #ifndef NFSRV_STALELEASE
84 #define NFSRV_STALELEASE (5 * nfsrv_lease)
86 #ifndef NFSRV_MOULDYLEASE
87 #define NFSRV_MOULDYLEASE 604800 /* One week (in sec) */
89 #ifndef NFSCLIENTHASHSIZE
90 #define NFSCLIENTHASHSIZE 20 /* Size of server client hash table */
92 #ifndef NFSLOCKHASHSIZE
93 #define NFSLOCKHASHSIZE 20 /* Size of server nfslock hash table */
95 #ifndef NFSSESSIONHASHSIZE
96 #define NFSSESSIONHASHSIZE 20 /* Size of server session hash table */
98 #define NFSSTATEHASHSIZE 10 /* Size of server stateid hash table */
99 #ifndef NFSCLDELEGHIGHWATER
100 #define NFSCLDELEGHIGHWATER 10000 /* limit for client delegations */
102 #ifndef NFSCLLAYOUTHIGHWATER
103 #define NFSCLLAYOUTHIGHWATER 10000 /* limit for client pNFS layouts */
105 #ifndef NFSNOOPEN /* Inactive open owner (sec) */
106 #define NFSNOOPEN 120
108 #define NFSRV_LEASEDELTA 15 /* # of seconds to delay beyond lease */
109 #define NFS_IDMAXSIZE 4 /* max sizeof (in_addr_t) */
110 #ifndef NFSRVCACHE_UDPTIMEOUT
111 #define NFSRVCACHE_UDPTIMEOUT 30 /* # of sec to hold cached rpcs(udp) */
113 #ifndef NFSRVCACHE_UDPHIGHWATER
114 #define NFSRVCACHE_UDPHIGHWATER 500 /* Max # of udp cache entries */
116 #ifndef NFSRVCACHE_TCPTIMEOUT
117 #define NFSRVCACHE_TCPTIMEOUT (3600*12) /*#of sec to hold cached rpcs(tcp) */
119 #ifndef NFSRVCACHE_FLOODLEVEL
120 #define NFSRVCACHE_FLOODLEVEL 16384 /* Very high water mark for cache */
122 #ifndef NFSRV_CLIENTHIGHWATER
123 #define NFSRV_CLIENTHIGHWATER 1000
125 #ifndef NFSRV_MAXDUMPLIST
126 #define NFSRV_MAXDUMPLIST 10000
128 #ifndef NFS_ACCESSCACHESIZE
129 #define NFS_ACCESSCACHESIZE 8
131 #define NFSV4_CBPORT 7745 /* Callback port for testing */
134 * This macro defines the high water mark for issuing V4 delegations.
135 * (It is currently set at a conservative 20% of nfsrv_v4statelimit. This
136 * may want to increase when clients can make more effective use of
139 #define NFSRV_V4DELEGLIMIT(c) (((c) * 5) > nfsrv_v4statelimit)
141 #define NFS_READDIRBLKSIZ DIRBLKSIZ /* Minimal nm_readdirsize */
146 #define NFS_CMPFH(n, f, s) \
147 ((n)->n_fhp->nfh_len == (s) && !NFSBCMP((n)->n_fhp->nfh_fh, (caddr_t)(f), (s)))
148 #define NFSRV_CMPFH(nf, ns, f, s) \
149 ((ns) == (s) && !NFSBCMP((caddr_t)(nf), (caddr_t)(f), (s)))
150 #define NFS_CMPTIME(t1, t2) \
151 ((t1).tv_sec == (t2).tv_sec && (t1).tv_nsec == (t2).tv_nsec)
152 #define NFS_SETTIME(t) do { \
153 (t).tv_sec = time.tv_sec; (t).tv_nsec = 1000 * time.tv_usec; } while (0)
154 #define NFS_SRVMAXDATA(n) \
155 (((n)->nd_flag & (ND_NFSV3 | ND_NFSV4)) ? \
156 NFS_SRVMAXIO : NFS_V2MAXDATA)
157 #define NFS64BITSSET 0xffffffffffffffffull
158 #define NFS64BITSMINUS1 0xfffffffffffffffeull
161 * Structures for the nfssvc(2) syscall. Not that anyone but nfsd, mount_nfs
162 * and nfsloaduser should ever try and use it.
164 struct nfsd_addsock_args {
165 int sock; /* Socket to serve */
166 caddr_t name; /* Client addr for connection based sockets */
167 int namelen; /* Length of name */
171 * nfsd argument for new krpc.
173 struct nfsd_nfsd_args {
174 const char *principal; /* GSS-API service principal name */
175 int minthreads; /* minimum service thread count */
176 int maxthreads; /* maximum service thread count */
180 * Arguments for use by the callback daemon.
182 struct nfsd_nfscbd_args {
183 const char *principal; /* GSS-API service principal name */
187 int sock; /* Socket to serve */
188 caddr_t name; /* Client addr for connection based sockets */
189 int namelen; /* Length of name */
190 u_short port; /* Port# for callbacks */
194 int nid_flag; /* Flags (see below) */
195 uid_t nid_uid; /* user/group id */
197 int nid_usermax; /* Upper bound on user name cache */
198 int nid_usertimeout;/* User name timeout (minutes) */
199 u_char *nid_name; /* Name */
200 int nid_namelen; /* and its length */
201 gid_t *nid_grps; /* and the list */
202 int nid_ngroup; /* Size of groups list */
205 struct nfsd_oidargs {
206 int nid_flag; /* Flags (see below) */
207 uid_t nid_uid; /* user/group id */
209 int nid_usermax; /* Upper bound on user name cache */
210 int nid_usertimeout;/* User name timeout (minutes) */
211 u_char *nid_name; /* Name */
212 int nid_namelen; /* and its length */
215 struct nfsuserd_args {
216 sa_family_t nuserd_family; /* Address family to use */
217 u_short nuserd_port; /* Port# */
221 int nclid_idlen; /* Length of client id */
222 u_char nclid_id[NFSV4_OPAQUELIMIT]; /* and name */
225 struct nfsd_dumplist {
226 int ndl_size; /* Number of elements */
227 void *ndl_list; /* and the list of elements */
230 struct nfsd_dumpclients {
231 u_int32_t ndcl_flags; /* LCL_xxx flags */
232 u_int32_t ndcl_nopenowners; /* Number of openowners */
233 u_int32_t ndcl_nopens; /* and opens */
234 u_int32_t ndcl_nlockowners; /* and of lockowners */
235 u_int32_t ndcl_nlocks; /* and of locks */
236 u_int32_t ndcl_ndelegs; /* and of delegations */
237 u_int32_t ndcl_nolddelegs; /* and old delegations */
238 sa_family_t ndcl_addrfam; /* Callback address */
240 struct in_addr sin_addr;
241 struct in6_addr sin6_addr;
243 struct nfsd_clid ndcl_clid; /* and client id */
246 struct nfsd_dumplocklist {
247 char *ndllck_fname; /* File Name */
248 int ndllck_size; /* Number of elements */
249 void *ndllck_list; /* and the list of elements */
252 struct nfsd_dumplocks {
253 u_int32_t ndlck_flags; /* state flags NFSLCK_xxx */
254 nfsv4stateid_t ndlck_stateid; /* stateid */
255 u_int64_t ndlck_first; /* lock byte range */
257 struct nfsd_clid ndlck_owner; /* Owner of open/lock */
258 sa_family_t ndlck_addrfam; /* Callback address */
260 struct in_addr sin_addr;
261 struct in6_addr sin6_addr;
263 struct nfsd_clid ndlck_clid; /* and client id */
267 * Structure for referral information.
270 u_char *nfr_srvlist; /* List of servers */
271 int nfr_srvcnt; /* number of servers */
272 vnode_t nfr_vp; /* vnode for referral */
273 u_int32_t nfr_dfileno; /* assigned dir inode# */
277 * Flags for lc_flags and opsflags for nfsrv_getclient().
279 #define LCL_NEEDSCONFIRM 0x00000001
280 #define LCL_DONTCLEAN 0x00000002
281 #define LCL_WAKEUPWANTED 0x00000004
282 #define LCL_TCPCALLBACK 0x00000008
283 #define LCL_CALLBACKSON 0x00000010
284 #define LCL_INDEXNOTOK 0x00000020
285 #define LCL_STAMPEDSTABLE 0x00000040
286 #define LCL_EXPIREIT 0x00000080
287 #define LCL_CBDOWN 0x00000100
288 #define LCL_KERBV 0x00000400
289 #define LCL_NAME 0x00000800
290 #define LCL_NEEDSCBNULL 0x00001000
291 #define LCL_GSSINTEGRITY 0x00002000
292 #define LCL_GSSPRIVACY 0x00004000
293 #define LCL_ADMINREVOKED 0x00008000
294 #define LCL_RECLAIMCOMPLETE 0x00010000
295 #define LCL_NFSV41 0x00020000
296 #define LCL_DONEBINDCONN 0x00040000
297 #define LCL_RECLAIMONEFS 0x00080000
299 #define LCL_GSS LCL_KERBV /* Or of all mechs */
302 * Bits for flags in nfslock and nfsstate.
303 * The access, deny, NFSLCK_READ and NFSLCK_WRITE bits must be defined as
304 * below, in the correct order, so the shifts work for tests.
306 #define NFSLCK_READACCESS 0x00000001
307 #define NFSLCK_WRITEACCESS 0x00000002
308 #define NFSLCK_ACCESSBITS (NFSLCK_READACCESS | NFSLCK_WRITEACCESS)
309 #define NFSLCK_SHIFT 2
310 #define NFSLCK_READDENY 0x00000004
311 #define NFSLCK_WRITEDENY 0x00000008
312 #define NFSLCK_DENYBITS (NFSLCK_READDENY | NFSLCK_WRITEDENY)
313 #define NFSLCK_SHAREBITS \
314 (NFSLCK_READACCESS|NFSLCK_WRITEACCESS|NFSLCK_READDENY|NFSLCK_WRITEDENY)
315 #define NFSLCK_LOCKSHIFT 4
316 #define NFSLCK_READ 0x00000010
317 #define NFSLCK_WRITE 0x00000020
318 #define NFSLCK_BLOCKING 0x00000040
319 #define NFSLCK_RECLAIM 0x00000080
320 #define NFSLCK_OPENTOLOCK 0x00000100
321 #define NFSLCK_TEST 0x00000200
322 #define NFSLCK_LOCK 0x00000400
323 #define NFSLCK_UNLOCK 0x00000800
324 #define NFSLCK_OPEN 0x00001000
325 #define NFSLCK_CLOSE 0x00002000
326 #define NFSLCK_CHECK 0x00004000
327 #define NFSLCK_RELEASE 0x00008000
328 #define NFSLCK_NEEDSCONFIRM 0x00010000
329 #define NFSLCK_CONFIRM 0x00020000
330 #define NFSLCK_DOWNGRADE 0x00040000
331 #define NFSLCK_DELEGREAD 0x00080000
332 #define NFSLCK_DELEGWRITE 0x00100000
333 #define NFSLCK_DELEGCUR 0x00200000
334 #define NFSLCK_DELEGPREV 0x00400000
335 #define NFSLCK_OLDDELEG 0x00800000
336 #define NFSLCK_DELEGRECALL 0x01000000
337 #define NFSLCK_SETATTR 0x02000000
338 #define NFSLCK_DELEGPURGE 0x04000000
339 #define NFSLCK_DELEGRETURN 0x08000000
340 #define NFSLCK_WANTWDELEG 0x10000000
341 #define NFSLCK_WANTRDELEG 0x20000000
342 #define NFSLCK_WANTNODELEG 0x40000000
343 #define NFSLCK_WANTBITS \
344 (NFSLCK_WANTWDELEG | NFSLCK_WANTRDELEG | NFSLCK_WANTNODELEG)
346 /* And bits for nid_flag */
347 #define NFSID_INITIALIZE 0x0001
348 #define NFSID_ADDUID 0x0002
349 #define NFSID_DELUID 0x0004
350 #define NFSID_ADDUSERNAME 0x0008
351 #define NFSID_DELUSERNAME 0x0010
352 #define NFSID_ADDGID 0x0020
353 #define NFSID_DELGID 0x0040
354 #define NFSID_ADDGROUPNAME 0x0080
355 #define NFSID_DELGROUPNAME 0x0100
358 * fs.nfs sysctl(3) identifiers
360 #define NFS_NFSSTATS 1 /* struct: struct nfsstats */
363 * Here is the definition of the attribute bits array and macros that
365 * THE MACROS MUST BE MANUALLY MODIFIED IF NFSATTRBIT_MAXWORDS CHANGES!!
366 * It is (NFSATTRBIT_MAX + 31) / 32.
368 #define NFSATTRBIT_MAXWORDS 3
371 u_int32_t bits[NFSATTRBIT_MAXWORDS];
374 #define NFSZERO_ATTRBIT(b) do { \
380 #define NFSSET_ATTRBIT(t, f) do { \
381 (t)->bits[0] = (f)->bits[0]; \
382 (t)->bits[1] = (f)->bits[1]; \
383 (t)->bits[2] = (f)->bits[2]; \
386 #define NFSSETSUPP_ATTRBIT(b, n) do { \
387 (b)->bits[0] = NFSATTRBIT_SUPP0; \
388 (b)->bits[1] = (NFSATTRBIT_SUPP1 | NFSATTRBIT_SUPPSETONLY1); \
389 (b)->bits[2] = (NFSATTRBIT_SUPP2 | NFSATTRBIT_SUPPSETONLY2); \
390 if (((n)->nd_flag & ND_NFSV41) == 0) { \
391 (b)->bits[1] &= ~NFSATTRBIT_NFSV41_1; \
392 (b)->bits[2] &= ~NFSATTRBIT_NFSV41_2; \
396 #define NFSISSET_ATTRBIT(b, p) ((b)->bits[(p) / 32] & (1 << ((p) % 32)))
397 #define NFSSETBIT_ATTRBIT(b, p) ((b)->bits[(p) / 32] |= (1 << ((p) % 32)))
398 #define NFSCLRBIT_ATTRBIT(b, p) ((b)->bits[(p) / 32] &= ~(1 << ((p) % 32)))
400 #define NFSCLRALL_ATTRBIT(b, a) do { \
401 (b)->bits[0] &= ~((a)->bits[0]); \
402 (b)->bits[1] &= ~((a)->bits[1]); \
403 (b)->bits[2] &= ~((a)->bits[2]); \
406 #define NFSCLRNOT_ATTRBIT(b, a) do { \
407 (b)->bits[0] &= ((a)->bits[0]); \
408 (b)->bits[1] &= ((a)->bits[1]); \
409 (b)->bits[2] &= ((a)->bits[2]); \
412 #define NFSCLRNOTFILLABLE_ATTRBIT(b, n) do { \
413 (b)->bits[0] &= NFSATTRBIT_SUPP0; \
414 (b)->bits[1] &= NFSATTRBIT_SUPP1; \
415 (b)->bits[2] &= NFSATTRBIT_SUPP2; \
416 if (((n)->nd_flag & ND_NFSV41) == 0) { \
417 (b)->bits[1] &= ~NFSATTRBIT_NFSV41_1; \
418 (b)->bits[2] &= ~NFSATTRBIT_NFSV41_2; \
422 #define NFSCLRNOTSETABLE_ATTRBIT(b, n) do { \
423 (b)->bits[0] &= NFSATTRBIT_SETABLE0; \
424 (b)->bits[1] &= NFSATTRBIT_SETABLE1; \
425 (b)->bits[2] &= NFSATTRBIT_SETABLE2; \
426 if (((n)->nd_flag & ND_NFSV41) == 0) \
427 (b)->bits[2] &= ~NFSATTRBIT_NFSV41_2; \
430 #define NFSNONZERO_ATTRBIT(b) ((b)->bits[0] || (b)->bits[1] || (b)->bits[2])
431 #define NFSEQUAL_ATTRBIT(b, p) ((b)->bits[0] == (p)->bits[0] && \
432 (b)->bits[1] == (p)->bits[1] && (b)->bits[2] == (p)->bits[2])
434 #define NFSGETATTR_ATTRBIT(b) do { \
435 (b)->bits[0] = NFSATTRBIT_GETATTR0; \
436 (b)->bits[1] = NFSATTRBIT_GETATTR1; \
437 (b)->bits[2] = NFSATTRBIT_GETATTR2; \
440 #define NFSWCCATTR_ATTRBIT(b) do { \
441 (b)->bits[0] = NFSATTRBIT_WCCATTR0; \
442 (b)->bits[1] = NFSATTRBIT_WCCATTR1; \
443 (b)->bits[2] = NFSATTRBIT_WCCATTR2; \
446 #define NFSWRITEGETATTR_ATTRBIT(b) do { \
447 (b)->bits[0] = NFSATTRBIT_WRITEGETATTR0; \
448 (b)->bits[1] = NFSATTRBIT_WRITEGETATTR1; \
449 (b)->bits[2] = NFSATTRBIT_WRITEGETATTR2; \
452 #define NFSCBGETATTR_ATTRBIT(b, c) do { \
453 (c)->bits[0] = ((b)->bits[0] & NFSATTRBIT_CBGETATTR0); \
454 (c)->bits[1] = ((b)->bits[1] & NFSATTRBIT_CBGETATTR1); \
455 (c)->bits[2] = ((b)->bits[2] & NFSATTRBIT_CBGETATTR2); \
458 #define NFSPATHCONF_GETATTRBIT(b) do { \
459 (b)->bits[0] = NFSGETATTRBIT_PATHCONF0; \
460 (b)->bits[1] = NFSGETATTRBIT_PATHCONF1; \
461 (b)->bits[2] = NFSGETATTRBIT_PATHCONF2; \
464 #define NFSSTATFS_GETATTRBIT(b) do { \
465 (b)->bits[0] = NFSGETATTRBIT_STATFS0; \
466 (b)->bits[1] = NFSGETATTRBIT_STATFS1; \
467 (b)->bits[2] = NFSGETATTRBIT_STATFS2; \
470 #define NFSISSETSTATFS_ATTRBIT(b) \
471 (((b)->bits[0] & NFSATTRBIT_STATFS0) || \
472 ((b)->bits[1] & NFSATTRBIT_STATFS1) || \
473 ((b)->bits[2] & NFSATTRBIT_STATFS2))
475 #define NFSCLRSTATFS_ATTRBIT(b) do { \
476 (b)->bits[0] &= ~NFSATTRBIT_STATFS0; \
477 (b)->bits[1] &= ~NFSATTRBIT_STATFS1; \
478 (b)->bits[2] &= ~NFSATTRBIT_STATFS2; \
481 #define NFSREADDIRPLUS_ATTRBIT(b) do { \
482 (b)->bits[0] = NFSATTRBIT_READDIRPLUS0; \
483 (b)->bits[1] = NFSATTRBIT_READDIRPLUS1; \
484 (b)->bits[2] = NFSATTRBIT_READDIRPLUS2; \
487 #define NFSREFERRAL_ATTRBIT(b) do { \
488 (b)->bits[0] = NFSATTRBIT_REFERRAL0; \
489 (b)->bits[1] = NFSATTRBIT_REFERRAL1; \
490 (b)->bits[2] = NFSATTRBIT_REFERRAL2; \
494 * Store uid, gid creds that were used when the stateid was acquired.
495 * The RPC layer allows NFS_MAXGRPS + 1 groups to go out on the wire,
496 * so that's how many gets stored here.
500 gid_t nfsc_groups[NFS_MAXGRPS + 1];
505 * Constants that define the file handle for the V4 root directory.
506 * (The FSID must never be used by other file systems that are exported.)
508 #define NFSV4ROOT_FSID0 ((int32_t) -1)
509 #define NFSV4ROOT_FSID1 ((int32_t) -1)
510 #define NFSV4ROOT_REFERRAL ((int32_t) -2)
511 #define NFSV4ROOT_INO 2 /* It's traditional */
512 #define NFSV4ROOT_GEN 1
515 * The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts.
516 * What should be in this set is open to debate, but I believe that since
517 * I/O system calls on ufs are never interrupted by signals the set should
518 * be minimal. My reasoning is that many current programs that use signals
519 * such as SIGALRM will not expect file I/O system calls to be interrupted
522 #if defined(_KERNEL) || defined(KERNEL)
524 struct uio; struct buf; struct vattr; struct nameidata; /* XXX */
527 * Socket errors ignored for connectionless sockets?
528 * For now, ignore them all
530 #define NFSIGNORE_SOERROR(s, e) \
531 ((e) != EINTR && (e) != ERESTART && (e) != EWOULDBLOCK && \
532 ((s) & PR_CONNREQUIRED) == 0)
536 * This structure holds socket information for a connection. Used by the
537 * client and the server for callbacks.
540 NFSSOCKADDR_T nr_nam;
544 struct ucred *nr_cred;
549 struct __rpc_client *nr_client;
554 * And associated nr_lock bits.
556 #define NFSR_SNDLOCK 0x01
557 #define NFSR_WANTSND 0x02
558 #define NFSR_RCVLOCK 0x04
559 #define NFSR_WANTRCV 0x08
560 #define NFSR_RESERVEDPORT 0x10
561 #define NFSR_LOCALHOST 0x20
564 * Queue head for nfsreq's
566 TAILQ_HEAD(nfsreqhead, nfsreq);
568 /* This is the only nfsreq R_xxx flag still used. */
569 #define R_DONTRECOVER 0x00000100 /* don't initiate recovery when this
570 rpc gets a stale state reply */
573 * Network address hash list element
576 struct in_addr had_inet;
577 struct in6_addr had_inet6;
581 * Structure of list of mechanisms.
583 struct nfsgss_mechlist {
588 #define KERBV_MECH 0 /* position in list */
591 * This structure is used by the server for describing each request.
593 struct nfsrv_descript {
594 mbuf_t nd_mrep; /* Request mbuf list */
595 mbuf_t nd_md; /* Current dissect mbuf */
596 mbuf_t nd_mreq; /* Reply mbuf list */
597 mbuf_t nd_mb; /* Current build mbuf */
598 NFSSOCKADDR_T nd_nam; /* and socket addr */
599 NFSSOCKADDR_T nd_nam2; /* return socket addr */
600 caddr_t nd_dpos; /* Current dissect pos */
601 caddr_t nd_bpos; /* Current build pos */
602 u_int16_t nd_procnum; /* RPC # */
603 u_int32_t nd_flag; /* nd_flag */
604 u_int32_t nd_repstat; /* Reply status */
605 int *nd_errp; /* Pointer to ret status */
606 u_int32_t nd_retxid; /* Reply xid */
607 struct nfsrvcache *nd_rp; /* Assoc. cache entry */
608 fhandle_t nd_fh; /* File handle */
609 struct ucred *nd_cred; /* Credentials */
610 uid_t nd_saveduid; /* Saved uid */
611 u_int64_t nd_sockref; /* Rcv socket ref# */
612 u_int64_t nd_compref; /* Compound RPC ref# */
613 time_t nd_tcpconntime; /* Time TCP connection est. */
614 nfsquad_t nd_clientid; /* Implied clientid */
615 int nd_gssnamelen; /* principal name length */
616 char *nd_gssname; /* principal name */
617 uint32_t *nd_slotseq; /* ptr to slot seq# in req */
618 uint8_t nd_sessionid[NFSX_V4SESSIONID]; /* Session id */
619 uint32_t nd_slotid; /* Slotid for this RPC */
620 SVCXPRT *nd_xprt; /* Server RPC handle */
621 uint32_t *nd_sequence; /* Sequence Op. ptr */
624 #define nd_princlen nd_gssnamelen
625 #define nd_principal nd_gssname
627 /* Bits for "nd_flag" */
628 #define ND_DONTSAVEREPLY 0x00000001
629 #define ND_SAVEREPLY 0x00000002
630 #define ND_NFSV2 0x00000004
631 #define ND_NFSV3 0x00000008
632 #define ND_NFSV4 0x00000010
633 #define ND_KERBV 0x00000020
634 #define ND_GSSINTEGRITY 0x00000040
635 #define ND_GSSPRIVACY 0x00000080
636 #define ND_WINDOWVERF 0x00000100
637 #define ND_GSSINITREPLY 0x00000200
638 #define ND_STREAMSOCK 0x00000400
639 #define ND_PUBLOOKUP 0x00000800
640 #define ND_USEGSSNAME 0x00001000
641 #define ND_SAMETCPCONN 0x00002000
642 #define ND_IMPLIEDCLID 0x00004000
643 #define ND_NOMOREDATA 0x00008000
644 #define ND_V4WCCATTR 0x00010000
645 #define ND_NFSCB 0x00020000
646 #define ND_AUTHNONE 0x00040000
647 #define ND_EXAUTHSYS 0x00080000
648 #define ND_EXGSS 0x00100000
649 #define ND_EXGSSINTEGRITY 0x00200000
650 #define ND_EXGSSPRIVACY 0x00400000
651 #define ND_INCRSEQID 0x00800000
652 #define ND_NFSCL 0x01000000
653 #define ND_NFSV41 0x02000000
654 #define ND_HASSEQUENCE 0x04000000
655 #define ND_CACHETHIS 0x08000000
656 #define ND_LASTOP 0x10000000
657 #define ND_LOOPBADSESS 0x20000000
660 * ND_GSS should be the "or" of all GSS type authentications.
662 #define ND_GSS (ND_KERBV)
664 struct nfsv4_opflag {
675 * Flags used to indicate what to do w.r.t. seqid checking.
677 #define NFSRVSEQID_FIRST 0x01
678 #define NFSRVSEQID_LAST 0x02
679 #define NFSRVSEQID_OPEN 0x04
682 * assign a doubly linked list to a new head
683 * and prepend one list into another.
685 #define LIST_NEWHEAD(nhead, ohead, field) do { \
686 if (((nhead)->lh_first = (ohead)->lh_first) != NULL) \
687 (ohead)->lh_first->field.le_prev = &(nhead)->lh_first; \
688 (ohead)->lh_first = NULL; \
691 #define LIST_PREPEND(head, phead, lelm, field) do { \
692 if ((head)->lh_first != NULL) { \
693 (lelm)->field.le_next = (head)->lh_first; \
694 (lelm)->field.le_next->field.le_prev = \
695 &(lelm)->field.le_next; \
697 (head)->lh_first = (phead)->lh_first; \
698 (head)->lh_first->field.le_prev = &(head)->lh_first; \
702 * File handle structure for client. Malloc'd to the correct length with
703 * malloc type M_NFSFH.
706 u_int16_t nfh_len; /* Length of file handle */
707 u_int8_t nfh_fh[1]; /* and the file handle */
711 * File handle structure for server. The NFSRV_MAXFH constant is
712 * set in nfsdport.h. I use a 32bit length, so that alignment is
716 u_int32_t nfsrvfh_len;
717 u_int8_t nfsrvfh_data[NFSRV_MAXFH];
721 * This structure is used for sleep locks on the NFSv4 nfsd threads and
722 * NFSv4 client data structures.
725 u_int32_t nfslock_usecnt;
726 u_int8_t nfslock_lock;
728 #define NFSV4LOCK_LOCK 0x01
729 #define NFSV4LOCK_LOCKWANTED 0x02
730 #define NFSV4LOCK_WANTED 0x04
733 * Values for the override argument for nfsvno_accchk().
735 #define NFSACCCHK_NOOVERRIDE 0
736 #define NFSACCCHK_ALLOWROOT 1
737 #define NFSACCCHK_ALLOWOWNER 2
740 * and values for the vpislocked argument for nfsvno_accchk().
742 #define NFSACCCHK_VPNOTLOCKED 0
743 #define NFSACCCHK_VPISLOCKED 1
746 * Slot for the NFSv4.1 Sequence Op.
751 struct mbuf *nfssl_reply;
756 #endif /* _NFS_NFS_H */