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--- old/usr/src/uts/common/nfs/nfs4.h
+++ new/usr/src/uts/common/nfs/nfs4.h
1 1 /*
2 2 * CDDL HEADER START
3 3 *
4 4 * The contents of this file are subject to the terms of the
5 5 * Common Development and Distribution License (the "License").
6 6 * You may not use this file except in compliance with the License.
7 7 *
8 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 9 * or http://www.opensolaris.org/os/licensing.
10 10 * See the License for the specific language governing permissions
11 11 * and limitations under the License.
12 12 *
13 13 * When distributing Covered Code, include this CDDL HEADER in each
14 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 15 * If applicable, add the following below this CDDL HEADER, with the
16 16 * fields enclosed by brackets "[]" replaced with your own identifying
17 17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 18 *
19 19 * CDDL HEADER END
20 20 */
21 21
22 22 /*
23 23 * Copyright 2010 Sun Microsystems, Inc. All rights reserved.
24 24 * Use is subject to license terms.
25 25 */
26 26
27 27 /*
28 28 * Copyright 2018 Nexenta Systems, Inc.
29 29 * Copyright 2019 Nexenta by DDN, Inc.
30 30 */
31 31
32 32 #ifndef _NFS4_H
33 33 #define _NFS4_H
34 34
35 35 #include <sys/types.h>
36 36 #include <sys/vnode.h>
37 37 #include <sys/fem.h>
38 38 #include <rpc/rpc.h>
39 39 #include <nfs/nfs.h>
40 40
41 41 #ifdef _KERNEL
42 42 #include <nfs/nfs4_kprot.h>
43 43 #include <nfs/nfs4_drc.h>
44 44 #include <sys/nvpair.h>
45 45 #else
46 46 #include <rpcsvc/nfs4_prot.h>
47 47 #endif
48 48 #include <nfs/nfs4_attr.h>
49 49 #include <sys/acl.h>
50 50 #include <sys/list.h>
51 51
52 52 #ifdef __cplusplus
53 53 extern "C" {
54 54 #endif
55 55
56 56 #define NFS4_MAX_SECOID4 65536
57 57 #define NFS4_MAX_UTF8STRING 65536
58 58 #define NFS4_MAX_LINKTEXT4 65536
59 59 #define NFS4_MAX_PATHNAME4 65536
60 60
61 61 struct nfs_fsl_info {
62 62 uint_t netbuf_len;
63 63 uint_t netnm_len;
64 64 uint_t knconf_len;
65 65 char *netname;
66 66 struct netbuf *addr;
67 67 struct knetconfig *knconf;
68 68 };
69 69
70 70 #ifdef _KERNEL
71 71
72 72 typedef struct nfs4_fhandle {
73 73 int fh_len;
74 74 char fh_buf[NFS4_FHSIZE];
75 75 } nfs4_fhandle_t;
76 76
77 77 #define NFS4_MINORVERSION 0
78 78 #define CB4_MINORVERSION 0
79 79
80 80 /*
81 81 * Set the fattr4_change variable using a time struct. Note that change
82 82 * is 64 bits, but timestruc_t is 128 bits in a 64-bit kernel.
83 83 */
84 84 #define NFS4_SET_FATTR4_CHANGE(change, ts) \
85 85 { \
86 86 change = (ts).tv_sec; \
87 87 change <<= 32; \
88 88 change |= (uint32_t)((ts).tv_nsec); \
89 89 }
90 90
91 91 /*
92 92 * Server lease period. Value is in seconds; Also used for grace period
93 93 */
94 94 extern time_t rfs4_lease_time;
95 95
96 96 /*
97 97 * This set of typedefs and interfaces represent the core or base set
98 98 * of functionality that backs the NFSv4 server's state related data
99 99 * structures. Since the NFSv4 server needs inter-RPC state to be
100 100 * available that is unrelated to the filesystem (in other words,
101 101 * soft-state), this functionality is needed to maintain that and is
102 102 * written to be somewhat flexible to adapt to the various types of
103 103 * data structures contained within the server.
104 104 *
105 105 * The basic structure at this level is that the server maintains a
106 106 * global "database" which consists of a set of tables. Each table
107 107 * contains a set of like data structures. Each table is indexed by
108 108 * at least one hash function and in most cases two hashes. Each
109 109 * table's characteristics is set when it is created at run-time via
110 110 * rfs4_table_create(). All table creation and related functions are
111 111 * located in nfs4_state.c. The generic database functionality is
112 112 * located in nfs4_db.c.
113 113 */
114 114
115 115 typedef struct rfs4_dbe rfs4_dbe_t; /* basic opaque db entry */
116 116 typedef struct rfs4_table rfs4_table_t; /* basic table type */
117 117 typedef struct rfs4_index rfs4_index_t; /* index */
118 118 typedef struct rfs4_database rfs4_database_t; /* and database */
119 119
120 120 typedef struct { /* opaque entry type for later use */
121 121 rfs4_dbe_t *dbe;
122 122 } *rfs4_entry_t;
123 123
124 124 /*
125 125 * NFSv4 server state databases
126 126 *
127 127 * Initilized when the module is loaded and used by NFSv4 state tables.
128 128 * These kmem_cache free pools are used globally, the NFSv4 state tables
129 129 * which make use of these kmem_cache free pools are per zone.
130 130 */
131 131 extern kmem_cache_t *rfs4_client_mem_cache;
132 132 extern kmem_cache_t *rfs4_clntIP_mem_cache;
133 133 extern kmem_cache_t *rfs4_openown_mem_cache;
134 134 extern kmem_cache_t *rfs4_openstID_mem_cache;
135 135 extern kmem_cache_t *rfs4_lockstID_mem_cache;
136 136 extern kmem_cache_t *rfs4_lockown_mem_cache;
137 137 extern kmem_cache_t *rfs4_file_mem_cache;
138 138 extern kmem_cache_t *rfs4_delegstID_mem_cache;
139 139
140 140 /* database, table, index creation entry points */
141 141 extern rfs4_database_t *rfs4_database_create(uint32_t);
142 142 extern void rfs4_database_shutdown(rfs4_database_t *);
143 143 extern void rfs4_database_destroy(rfs4_database_t *);
144 144
145 145 extern void rfs4_database_destroy(rfs4_database_t *);
146 146
147 147 extern kmem_cache_t *nfs4_init_mem_cache(char *, uint32_t, uint32_t,
148 148 uint32_t);
149 149 extern rfs4_table_t *rfs4_table_create(rfs4_database_t *, char *,
150 150 time_t, uint32_t,
151 151 bool_t (*create)(rfs4_entry_t, void *),
152 152 void (*destroy)(rfs4_entry_t),
153 153 bool_t (*expiry)(rfs4_entry_t),
154 154 uint32_t, uint32_t, uint32_t, id_t);
155 155 extern void rfs4_table_destroy(rfs4_database_t *, rfs4_table_t *);
156 156 extern rfs4_index_t *rfs4_index_create(rfs4_table_t *, char *,
157 157 uint32_t (*hash)(void *),
158 158 bool_t (compare)(rfs4_entry_t, void *),
159 159 void *(*mkkey)(rfs4_entry_t), bool_t);
160 160 extern void rfs4_index_destroy(rfs4_index_t *);
161 161
162 162 /* Type used to direct rfs4_dbsearch() in what types of records to inspect */
163 163 typedef enum {RFS4_DBS_VALID, RFS4_DBS_INVALID} rfs4_dbsearch_type_t;
164 164 /* search and db entry manipulation entry points */
165 165 extern rfs4_entry_t rfs4_dbsearch(rfs4_index_t *, void *,
166 166 bool_t *, void *, rfs4_dbsearch_type_t);
167 167 extern void rfs4_dbe_lock(rfs4_dbe_t *);
168 168 extern void rfs4_dbe_unlock(rfs4_dbe_t *);
169 169 extern clock_t rfs4_dbe_twait(rfs4_dbe_t *, clock_t);
170 170 extern void rfs4_dbe_cv_broadcast(rfs4_dbe_t *);
171 171 extern void rfs4_dbe_hold(rfs4_dbe_t *);
172 172 extern void rfs4_dbe_hold_nolock(rfs4_dbe_t *);
173 173 extern void rfs4_dbe_rele_nolock(rfs4_dbe_t *);
174 174 extern void rfs4_dbe_rele(rfs4_dbe_t *);
175 175 extern uint32_t rfs4_dbe_refcnt(rfs4_dbe_t *);
176 176 extern id_t rfs4_dbe_getid(rfs4_dbe_t *);
177 177 extern void rfs4_dbe_invalidate(rfs4_dbe_t *);
178 178 extern bool_t rfs4_dbe_is_invalid(rfs4_dbe_t *);
179 179 extern time_t rfs4_dbe_get_timerele(rfs4_dbe_t *);
180 180 extern void rfs4_dbe_hide(rfs4_dbe_t *);
181 181 extern void rfs4_dbe_unhide(rfs4_dbe_t *);
182 182 #ifdef DEBUG
183 183 extern bool_t rfs4_dbe_islocked(rfs4_dbe_t *);
184 184 #endif
185 185 extern void rfs4_dbe_walk(rfs4_table_t *,
186 186 void (*callout)(rfs4_entry_t, void *), void *);
187 187
188 188 /*
189 189 * Minimal server stable storage.
190 190 *
191 191 * Currently the NFSv4 server will only save the client
192 192 * ID (the long version) so that it will be able to
193 193 * grant possible reclaim requests during the infamous
194 194 * grace_period.
195 195 */
196 196
197 197 #define RFS4_SS_DIRSIZE 64 * 1024
198 198 #define NFS4_SS_VERSION 1
199 199
200 200 /* handy pathname structure */
201 201 typedef struct ss_pn {
202 202 char *leaf;
203 203 char pn[MAXPATHLEN];
204 204 } rfs4_ss_pn_t;
205 205
206 206 /*
207 207 * The server will build this link list on startup. It represents the
208 208 * clients that have had valid state on the server in a prior instance.
209 209 *
210 210 */
211 211 typedef struct rfs4_oldstate {
212 212 struct rfs4_oldstate *next;
213 213 struct rfs4_oldstate *prev;
214 214 rfs4_ss_pn_t *ss_pn;
215 215 nfs_client_id4 cl_id4;
216 216 } rfs4_oldstate_t;
217 217
218 218 /*
219 219 * This union is used to overlay the server's internal treatment of
220 220 * the protocols stateid4 datatype. Therefore, "bits" must not exceed
221 221 * the size of stateid4 and more importantly should match the size of
222 222 * stateid4. The chgseq field must the first entry since it overlays
223 223 * stateid4.seqid.
224 224 */
225 225 typedef union {
226 226 stateid4 stateid;
227 227 struct {
228 228 uint32_t chgseq; /* State changes / protocol's seqid */
229 229 uint32_t boottime; /* boot time */
230 230 uint32_t type:2; /* stateid_type_t as define below */
231 231 uint32_t clnodeid:8; /* cluster server nodeid */
232 232 uint32_t ident:22; /* 2^22-1 openowner x fhs */
233 233 pid_t pid; /* pid of corresponding lock owner */
234 234 } bits;
235 235 } stateid_t;
236 236 /*
237 237 * Note that the way the type field above is defined, this enum must
238 238 * not have more than 4 members.
239 239 */
240 240 typedef enum {OPENID, LOCKID, DELEGID} stateid_type_t;
241 241
242 242
243 243 /*
244 244 * Set of RPC credentials used for a particular operation.
245 245 * Used for operations like SETCLIENTID_CONFIRM where the
246 246 * credentials needs to match those used at SETCLIENTID.
247 247 */
248 248 typedef void *cred_set_t; /* For now XXX */
249 249
250 250 /*
251 251 * "wait" struct for use in the open open and lock owner state
252 252 * structures to provide serialization between server threads that are
253 253 * handling requests for the same open owner or lock stateid. This
254 254 * way only one thread will be updating things like sequence ids,
255 255 * replay cache and stateid at a time.
256 256 */
257 257 typedef struct rfs4_state_wait {
258 258 uint32_t sw_active;
259 259 uint32_t sw_wait_count;
260 260 kmutex_t sw_cv_lock[1];
261 261 kcondvar_t sw_cv[1];
262 262 } rfs4_state_wait_t;
263 263
264 264 extern void rfs4_sw_enter(rfs4_state_wait_t *);
265 265 extern void rfs4_sw_exit(rfs4_state_wait_t *);
266 266
267 267 /*
268 268 * This enum and the following rfs4_cbinfo_t struct are used to
269 269 * maintain information about the callback path used from the server
270 270 * to client for operations like CB_GETATTR and CB_RECALL. The
271 271 * rfs4_cbinfo_t struct is meant to be encompassed in the client
272 272 * struct and managed within that structure's locking scheme.
273 273 *
274 274 * The various states of the callback path are used by the server to
275 275 * determine if delegations should initially be provided to a client
276 276 * and then later on if connectivity has been lost and delegations
277 277 * should be revoked.
278 278 */
279 279
280 280 /*
281 281 * CB_NOCHANGE - Special value used for interfaces within the delegation
282 282 * code to signify that "no change" has occurred to the
283 283 * callback path
284 284 * CB_UNINIT - No callback info provided by the client
285 285 * CB_NONE - Callback info provided but CB_NULL call
286 286 * has yet to be attempted
287 287 * CB_OK - Callback path tested with CB_NULL with success
288 288 * CB_INPROG - Callback path currently being tested with CB_NULL
289 289 * CB_FAILED - Callback path was == CB_OK but has failed
290 290 * with timeout/rpc error
291 291 * CB_BAD - Callback info provided but CB_NULL failed
292 292 */
293 293 typedef enum {
294 294 CB_NOCHANGE = 0,
295 295 CB_UNINIT = 1,
296 296 CB_NONE = 2,
297 297 CB_OK = 3,
298 298 CB_INPROG = 4,
299 299 CB_FAILED = 5,
300 300 CB_BAD = 6
301 301 } rfs4_cbstate_t;
302 302
303 303 #define RFS4_CBCH_MAX 10 /* size callback client handle cache */
304 304 /*
305 305 * Callback info for a client.
306 306 * Client only provides: cb_client4 and cb_ident
307 307 * The rest of the information is used to track callback path status
308 308 * and usage.
309 309 *
310 310 * cb_state - used as comments for the rfs4_cbstate_t enum indicate
311 311 * cb_notified_of_cb_path_down - if the callback path was once CB_OK and
312 312 * has hence CB_FAILED, the client needs to be notified via RENEW.
313 313 * cb_timefailed - current time when cb_state transitioned from
314 314 * CB_OK -> CB_FAILED. Meant for observability. When did that happen?
315 315 * cb_chc_free/cb_chc - cache of client handles for the callback path
316 316 * cb_ident - SETCLIENTID provided callback_ident value
317 317 * callback - SETCLIENTID provided cb_client4 value
318 318 * cb_refcnt - current number of users of this structure's content
319 319 * protected by cb_lock
320 320 * cb_badbehavior - how many times did a client do something we didn't like?
321 321 * cb_lock - lock for contents of cbinfo
322 322 * cb_cv - used to allow threads to wait on CB_NULL completion
323 323 * cb_nullcaller - is there a thread currently taking care of
324 324 * new callback information?
325 325 * cb_cv_nullcaller - used by the thread doing CB_NULL to wait on
326 326 * threads that may be using client handles of the current
327 327 * client handle cache.
328 328 * newer - new callback info provided by a client and awaiting
329 329 * CB_NULL testing and move to regular cbinfo.
330 330 */
331 331 typedef struct {
332 332 rfs4_cbstate_t cb_state;
333 333 unsigned cb_notified_of_cb_path_down:1;
334 334 time_t cb_timefailed;
335 335 int cb_chc_free;
336 336 CLIENT *cb_chc[RFS4_CBCH_MAX];
337 337 uint32_t cb_ident;
338 338 cb_client4 cb_callback;
339 339 uint32_t cb_refcnt;
340 340 uint32_t cb_badbehavior;
341 341 kmutex_t cb_lock[1];
342 342 kcondvar_t cb_cv[1];
343 343 bool_t cb_nullcaller;
344 344 kcondvar_t cb_cv_nullcaller[1];
345 345 struct {
346 346 bool_t cb_new;
347 347 bool_t cb_confirmed;
348 348 uint32_t cb_ident;
349 349 cb_client4 cb_callback;
350 350 } cb_newer;
351 351 } rfs4_cbinfo_t;
352 352
353 353 /*
354 354 * A server instance. We can associate sets of clients - via a pointer in
355 355 * rfs4_client_t - with a given server instance, allowing us to treat clients
356 356 * in the set differently to clients in other sets.
357 357 *
358 358 * Currently used only for Sun Cluster HA-NFS support, to group clients
359 359 * on NFS resource failover so each set of clients gets its own dedicated
360 360 * grace period and distributed stable storage data.
361 361 */
362 362 typedef struct rfs4_servinst {
363 363 int dss_npaths;
364 364 krwlock_t rwlock;
365 365 krwlock_t oldstate_lock;
366 366 time_t start_time;
367 367 time_t grace_period;
368 368 rfs4_oldstate_t *oldstate;
369 369 struct rfs4_dss_path **dss_paths;
370 370 struct rfs4_servinst *next;
371 371 struct rfs4_servinst *prev;
372 372 } rfs4_servinst_t;
373 373
374 374 /*
375 375 * DSS: distributed stable storage
376 376 */
377 377
378 378 typedef struct rfs4_dss_path {
379 379 struct rfs4_dss_path *next; /* for insque/remque */
380 380 struct rfs4_dss_path *prev; /* for insque/remque */
381 381 char *path;
382 382 struct rfs4_servinst *sip;
383 383 unsigned index; /* offset in servinst's array */
384 384 } rfs4_dss_path_t;
385 385
386 386 /* array of paths passed-in from nfsd command-line; stored in nvlist */
387 387 char **rfs4_dss_newpaths;
388 388 uint_t rfs4_dss_numnewpaths;
389 389
390 390 /* nvlists of all DSS paths: current, and before last warmstart */
391 391 nvlist_t *rfs4_dss_paths, *rfs4_dss_oldpaths;
392 392
393 393 /*
394 394 * The server maintains a set of state on a per client basis that
395 395 * matches that of the protocol requirements. A client's state is
396 396 * rooted with the rfs4_client_t struct of which there is one per
397 397 * client and is created when SETCLIENTID/SETCLIENTID_CONFIRM are
398 398 * received. From there, the server then creates rfs4_openowner_t
399 399 * structs for each new open owner from that client and are initiated
400 400 * at OPEN/OPEN_CONFIRM (when the open owner is new to the server).
401 401 * At OPEN, at least two other structures are created, and potentially a
402 402 * third. rfs4_state_t is created to track the association between an
403 403 * open owner and a particular file. An rfs4_file_t struct may be
404 404 * created (if the file is not already open) at OPEN as well. The
405 405 * rfs4_file_t struct is the only one that is per server and not per
406 406 * client. The rfs4_deleg_state_t struct is created in the
407 407 * instance that the server is going to provide a delegation for the
408 408 * file being OPENed. Finally, the rfs4_lockowner_t is created at the
409 409 * first use of a lock owner at the server and is a result of the LOCK
410 410 * operation. The rfs4_lo_state_t struct is then created to represent
411 411 * the relation between the lock owner and the file.
412 412 *
413 413 */
414 414 /*
415 415 * The following ascii art represents each of these data structs and
416 416 * their references to each other. Note: "<-(x)->" represents the
417 417 * doubly link lists (list_t).
418 418 *
419 419 * ____________________
420 420 * | |
421 421 * | rfs4_client_t |
422 422 * ->| (1) |<-
423 423 * / |____________________| \
424 424 * / ^ \
425 425 * / | \
426 426 * ____________________ ____________________ ____________________
427 427 * | | | | | |
428 428 * | rfs4_lockowner_t | | rfs4_openowner_t | | rfs4_deleg_state_t |
429 429 * | | | (3) <-(1)-> | | <-(2)-> |
430 430 * |____________________| |____________________| |____________________|
431 431 * ^ ^ |
432 432 * | | V
433 433 * ____________________ ____________________ ____________________
434 434 * | | | | | |
435 435 * | rfs4_lo_state_t |->| rfs4_state_t |->| rfs4_file_t |
436 436 * | <-(4)-> | | (4) <-(3)-> | | (2) |
437 437 * |____________________| |____________________| |____________________|
438 438 */
439 439 /*
440 440 * Each of these data types are kept in a separate rfs4_table_t and is
441 441 * actually encapsulated within a rfs4_dbe_t struct. The various
442 442 * tables and their construction is done in nfs4_state.c but
443 443 * documented here to completeness.
444 444 *
445 445 * Table Data struct stored Indexed by
446 446 * ----- ------------------ ----------
447 447 * rfs4_client_tab rfs4_client_t nfs_client_id4
448 448 * clientid4
449 449 *
450 450 * rfs4_openowner_tab rfs4_openowner_t open_owner4
451 451 *
452 452 * rfs4_state_tab rfs4_state_t open_owner4 | file
453 453 * stateid
454 454 *
455 455 * rfs4_lo_state_tab rfs4_lo_state_t lockowner | stateid
456 456 * lock_stateid
457 457 *
458 458 * rfs4_lockowner_tab rfs4_lockowner_t lockowner
459 459 * pid
460 460 *
461 461 * rfs4_file_tab rfs4_file_t filehandle
462 462 *
463 463 * rfs4_deleg_state_tab rfs4_deleg_state_t clientid4 | file
464 464 * deleg_stateid
465 465 */
466 466
467 467 /*
468 468 * The client struct, it is the root of all state for a particular
469 469 * client. The client is identified by the nfs_client_id4 via
470 470 * SETCLIENTID and the server returns the clientid4 as short hand reference
471 471 */
472 472 /*
473 473 * Client struct - as mentioned above it is the root of all state for
474 474 * a single client as identified by the client supplied nfs_client_id4
475 475 *
476 476 * dbe - encapsulation struct
477 477 * clientid - server assigned short hand reference to client
478 478 * nfs_client - client supplied identifier for itself
479 479 * confirm_verf - the value provided to the client for SETCLIENTID_CONFIRM
480 480 * need_confirm - does this client need to be SETCLIENTID_CONFIRMed?
481 481 *
482 482 * unlksys_completed - has an F_UNLKSYS been done for this client which
483 483 * says that the use of cleanlocks() on individual files
484 484 * is not required?
485 485 * can_reclaim - indicates if client is allowed to reclaim after server
486 486 * start-up (client had previous state at server)
487 487 * ss_remove - indicates that the rfs4_client_destroy function should
488 488 * clean up stable storage file.
489 489 * forced_expire - set if the sysadmin has used clear_locks for this client.
490 490 * no_referrals - set if the client is Solaris and pre-dates referrals
491 491 * deleg_revoked - how many delegations have been revoked for this client?
492 492 *
493 493 * cp_confirmed - this refers to a confirmed client struct that has
494 494 * the same nfs_client_id4 as this client struct. When/if this client
495 495 * struct is confirmed via SETCLINETID_CONFIRM, the previously
496 496 * confirmed client struct will be "closed" and hence this reference.
497 497 *
498 498 * last_access - used to determine if the client has let its lease expire
499 499 * cbinfo - struct containing all callback related information
500 500 * cr_set - credentials used for the SETCLIENTID/SETCLIENTID_CONFIRM pair
501 501 * sysid - the lock manager sysid allocated for this client's file locks
502 502 * openownerlist - root of openowners list associated with this client
503 503 * ss_pn - Pathname to the stable storage file.
504 504 * cl_addr - Clients network address.
505 505 * server_instance - pointer to the currently associated server instance
506 506 */
507 507 typedef struct rfs4_client {
508 508 rfs4_dbe_t *rc_dbe;
509 509 clientid4 rc_clientid;
510 510 nfs_client_id4 rc_nfs_client;
511 511 verifier4 rc_confirm_verf;
512 512 unsigned rc_need_confirm:1;
513 513 unsigned rc_unlksys_completed:1;
514 514 unsigned rc_can_reclaim:1;
515 515 unsigned rc_ss_remove:1;
516 516 unsigned rc_forced_expire:1;
517 517 uint_t rc_deleg_revoked;
518 518 struct rfs4_client *rc_cp_confirmed;
519 519 time_t rc_last_access;
520 520 rfs4_cbinfo_t rc_cbinfo;
521 521 cred_set_t rc_cr_set;
522 522 sysid_t rc_sysidt;
523 523 list_t rc_openownerlist;
524 524 rfs4_ss_pn_t *rc_ss_pn;
525 525 struct sockaddr_storage rc_addr;
526 526 rfs4_servinst_t *rc_server_instance;
527 527 } rfs4_client_t;
528 528
529 529 /*
530 530 * ClntIP struct - holds the diagnosis about whether the client
531 531 * cannot support referrals. Set to true for old Solaris clients.
532 532 */
533 533
534 534 typedef struct rfs4_clntip {
535 535 rfs4_dbe_t *ri_dbe;
536 536 struct sockaddr_storage ri_addr;
537 537 unsigned ri_no_referrals:1;
538 538 } rfs4_clntip_t;
539 539
540 540 /*
541 541 * The openowner contains the client supplied open_owner4 as well as
542 542 * the matching sequence id and is used to track the client's usage of
543 543 * the open_owner4. Note that a reply is saved here as well for
544 544 * processing of retransmissions.
545 545 *
546 546 * dbe - encapsulation struct
547 547 * client - reference to rfs4_client_t for this openowner
548 548 * owner - actual client supplied open_owner4
549 549 * need_confirm - does this openowner need to be OPEN_CONFIRMed
550 550 * postpone_confirm - set if error received on first use of open_owner
551 551 * state2confirm - what stateid4 should be used on the OPEN_CONFIRM
552 552 * open_seqid - what is the next open_seqid expected for this openowner
553 553 * oo_sw - used to serialize access to the open seqid/reply handling
554 554 * cr_set - credential used for the OPEN
555 555 * statelist - root of state struct list associated with this openowner
556 556 * node - node for client struct list of openowners
557 557 * reply_fh - open replay processing needs the filehandle so that it is
558 558 * able to reset the current filehandle for appropriate compound
559 559 * processing and reply.
560 560 * reply - last reply sent in relation to this openowner
561 561 */
562 562 typedef struct rfs4_openowner {
563 563 rfs4_dbe_t *ro_dbe;
564 564 rfs4_client_t *ro_client;
565 565 open_owner4 ro_owner;
566 566 unsigned ro_need_confirm:1;
567 567 unsigned ro_postpone_confirm:1;
568 568 seqid4 ro_open_seqid;
569 569 rfs4_state_wait_t ro_sw;
570 570 cred_set_t ro_cr_set;
571 571 list_t ro_statelist;
572 572 list_node_t ro_node;
573 573 nfs_fh4 ro_reply_fh;
574 574 nfs_resop4 ro_reply;
575 575 } rfs4_openowner_t;
576 576
577 577 /*
578 578 * This state struct represents the association between an openowner
579 579 * and a file that has been OPENed by that openowner.
580 580 *
581 581 * dbe - encapsulation struct
582 582 * stateid - server provided stateid
583 583 * owner - reference back to the openowner for this state
584 584 * finfo - reference to the open file for this state
585 585 * open_access - how did the openowner OPEN the file (access)
586 586 * open_deny - how did the openowner OPEN the file (deny)
587 587 * share_access - what share reservation is on the file (access)
588 588 * share_deny - what share reservation is on the file (deny)
589 589 * closed - has this file been closed?
590 590 * lostatelist - root of list of lo_state associated with this state/file
591 591 * node - node for state struct list of states
592 592 */
593 593 typedef struct rfs4_state {
594 594 rfs4_dbe_t *rs_dbe;
595 595 stateid_t rs_stateid;
596 596 rfs4_openowner_t *rs_owner;
597 597 struct rfs4_file *rs_finfo;
598 598 uint32_t rs_open_access;
599 599 uint32_t rs_open_deny;
600 600 uint32_t rs_share_access;
601 601 uint32_t rs_share_deny;
602 602 unsigned rs_closed:1;
603 603 list_t rs_lostatelist;
604 604 list_node_t rs_node;
605 605 } rfs4_state_t;
606 606
607 607 /*
608 608 * Lockowner - track the lockowner and its related info
609 609 *
610 610 * dbe - encapsulation struct
611 611 * client - reference to the client
612 612 * owner - lockowner supplied by the client
613 613 * pid - local identifier used for file locking
614 614 */
615 615 typedef struct rfs4_lockowner {
616 616 rfs4_dbe_t *rl_dbe;
617 617 rfs4_client_t *rl_client;
618 618 lock_owner4 rl_owner;
619 619 pid_t rl_pid;
620 620 } rfs4_lockowner_t;
621 621
622 622 /*
623 623 * Lockowner_state associated with a state struct and lockowner
624 624 *
625 625 * dbe - encapsulation struct
626 626 * state - reference back to state struct for open file
627 627 * lockid - stateid for this lockowner/state
628 628 * locker - reference to lockowner
629 629 * seqid - sequence id for this lockowner/state
630 630 * skip_seqid_check - used on initialization of struct
631 631 * locks_cleaned - have all locks been released for this lockowner/file?
632 632 * lock_completed - successful LOCK with lockowner/file?
633 633 * ls_sw - used to serialize update seqid/reply/stateid handling
634 634 * node - node for state struct list of lo_states
635 635 * reply - last reply sent in relation to this lockowner/state
636 636 */
637 637 typedef struct rfs4_lo_state {
638 638 rfs4_dbe_t *rls_dbe;
639 639 rfs4_state_t *rls_state;
640 640 stateid_t rls_lockid;
641 641 rfs4_lockowner_t *rls_locker;
642 642 seqid4 rls_seqid;
643 643 unsigned rls_skip_seqid_check:1;
644 644 unsigned rls_locks_cleaned:1;
645 645 unsigned rls_lock_completed:1;
646 646 rfs4_state_wait_t rls_sw;
647 647 list_node_t rls_node;
648 648 nfs_resop4 rls_reply;
649 649 } rfs4_lo_state_t;
650 650
651 651 /*
652 652 * Delegation state - per client
653 653 *
654 654 * dbe - encapsulation struct
655 655 * dtype - type of delegation (NONE, READ, WRITE)
656 656 * delegid - stateid for this delegation
657 657 * time_granted - time this delegation was assigned to client
658 658 * time_recalled - time when the server started recall process
659 659 * time_revoked - if revoked, time that the revoke occurred
660 660 * finfo - reference to the file associated with this delegation
661 661 * client - reference to client for which this delegation is associated
662 662 * node - list of delegations for the file (WRITE == 1, READ == )
663 663 */
664 664 typedef struct rfs4_deleg_state {
665 665 rfs4_dbe_t *rds_dbe;
666 666 open_delegation_type4 rds_dtype;
667 667 stateid_t rds_delegid;
668 668 time_t rds_time_granted;
669 669 time_t rds_time_recalled;
670 670 time_t rds_time_revoked;
671 671 struct rfs4_file *rds_finfo;
672 672 rfs4_client_t *rds_client;
673 673 list_node_t rds_node;
674 674 } rfs4_deleg_state_t;
675 675
676 676 /*
677 677 * Delegation info associated with the file
678 678 *
679 679 * dtype - type of delegation for file (NONE, READ, WRITE)
680 680 * time_returned - time that last delegation was returned for file
681 681 * time_recalled - time that recall sequence started
682 682 * time_lastgrant - time that last delegation was provided to a client
683 683 * time_lastwrite - time of last write to use the delegation stateid
684 684 * time_rm_delayed - time of last remove/rename which was DELAYed
685 685 * rdgrants - how many read delegations have been provided for this file
686 686 * wrgrants - how many write delegations provided (can only be one)
687 687 * recall_count - how many recall threads are outstanding
688 688 * recall_lock - lock to protect contents of this struct
689 689 * recall_cv - condition var for the "parent" thread to wait upon
690 690 * deleg_change_grant - value for change attribute at time of write grant
691 691 * deleg_change - most recent value of change obtained from client
692 692 * deleg_change_ts - time of last deleg_change update
693 693 * ever_recalled - has this particular delegation ever been recalled?
694 694 * dont_grant - file deletion is impending, don't grant a delegation
695 695 * conflicted_client - clientid of the client that caused a CB_RECALL
696 696 * to occur. This is used for delegation policy (should a delegation
697 697 * be granted shortly after it has been returned?)
698 698 */
699 699 typedef struct rfs4_dinfo {
700 700 open_delegation_type4 rd_dtype;
701 701 time_t rd_time_returned;
702 702 time_t rd_time_recalled;
703 703 time_t rd_time_lastgrant;
704 704 time_t rd_time_lastwrite;
705 705 time_t rd_time_rm_delayed;
706 706 uint32_t rd_rdgrants;
707 707 uint32_t rd_wrgrants;
708 708 int32_t rd_recall_count;
709 709 kmutex_t rd_recall_lock[1];
710 710 kcondvar_t rd_recall_cv[1];
711 711 bool_t rd_ever_recalled;
712 712 uint32_t rd_hold_grant;
713 713 clientid4 rd_conflicted_client;
714 714 } rfs4_dinfo_t;
715 715
716 716 /*
717 717 * File
718 718 *
719 719 * dbe - encapsulation struct
720 720 * vp - vnode for the file that is open or has a delegation
721 721 * filehandle - the filehandle generated by the server for this file
722 722 * delegstatelist - root of delegation list for this file
723 723 * dinfo - see struct definition above
724 724 * share_deny - union of all deny modes on file
725 725 * share_access - union of all access modes on file
726 726 * access_read - count of read access
727 727 * access_write - count of write access
728 728 * deny_read - count of deny reads
729 729 * deny_write - count of deny writes
730 730 * file_rwlock - lock for serializing the removal of a file while
731 731 * the state structures are active within the server
732 732 *
733 733 * The only requirement for locking file_rwlock is that the
734 734 * caller have a reference to the containing rfs4_file. The dbe
735 735 * lock may or may not be held for lock/unlock of file_rwlock.
736 736 * As mentioned above, the file_rwlock is used for serialization
737 737 * of file removal and more specifically reference to the held
738 738 * vnode (e.g. vp).
739 739 */
740 740 typedef struct rfs4_file {
741 741 rfs4_dbe_t *rf_dbe;
742 742 vnode_t *rf_vp;
743 743 nfs_fh4 rf_filehandle;
744 744 list_t rf_delegstatelist;
745 745 rfs4_dinfo_t rf_dinfo;
746 746 uint32_t rf_share_deny;
747 747 uint32_t rf_share_access;
748 748 uint32_t rf_access_read;
749 749 uint32_t rf_access_write;
750 750 uint32_t rf_deny_read;
751 751 uint32_t rf_deny_write;
752 752 krwlock_t rf_file_rwlock;
753 753 } rfs4_file_t;
754 754
755 755 /*
756 756 * nfs4_deleg_policy is used to signify the server's global delegation
757 757 * policy. The default is to NEVER delegate files and the
758 758 * administrator must configure the server to enable delegations.
759 759 *
760 760 * The disable/enable delegation functions are used to eliminate a
761 761 * race with exclusive creates.
762 762 */
763 763 typedef enum {
764 764 SRV_NEVER_DELEGATE = 0,
765 765 SRV_NORMAL_DELEGATE = 1
766 766 } srv_deleg_policy_t;
767 767
768 768 extern void rfs4_disable_delegation(void), rfs4_enable_delegation(void);
769 769
770 770 /*
771 771 * Request types for delegation. These correspond with
772 772 * open_delegation_type4 with the addition of a new value, DELEG_ANY,
773 773 * to reqequest any delegation.
774 774 */
775 775 typedef enum {
776 776 DELEG_NONE = 0, /* Corresponds to OPEN_DELEG_NONE */
777 777 DELEG_READ = 1, /* Corresponds to OPEN_DELEG_READ */
778 778 DELEG_WRITE = 2, /* Corresponds to OPEN_DELEG_WRITE */
779 779 DELEG_ANY = -1 /* New value to request any delegation type */
780 780 } delegreq_t;
781 781
782 782 #define NFS4_DELEG4TYPE2REQTYPE(x) (delegreq_t)(x)
783 783
784 784 /*
785 785 * Zone global variables of NFSv4 server
786 786 */
787 787 typedef struct nfs4_srv {
788 788 /* Unique write verifier */
789 789 verifier4 write4verf;
790 790 /* Delegation lock */
791 791 kmutex_t deleg_lock;
792 792 /* Used to serialize create/destroy of nfs4_server_state database */
793 793 kmutex_t state_lock;
794 794 rfs4_database_t *nfs4_server_state;
795 795 /* Used to manage access to server instance linked list */
796 796 kmutex_t servinst_lock;
797 797 rfs4_servinst_t *nfs4_cur_servinst;
798 798 /* Used to manage access to nfs4_deleg_policy */
799 799 krwlock_t deleg_policy_lock;
800 800 srv_deleg_policy_t nfs4_deleg_policy;
801 801 /* Set first time we see one */
802 802 int seen_first_compound;
803 803 /*
804 804 * Circular double-linked list of paths for currently-served RGs.
805 805 * No locking required -- only changed on server start.
806 806 * Managed with insque/remque.
807 807 */
808 808 rfs4_dss_path_t *dss_pathlist;
809 809 /* Duplicate request cache */
810 810 rfs4_drc_t *nfs4_drc;
811 811 /* nfsv4 server start time */
812 812 time_t rfs4_start_time;
813 813 /* Used to serialize lookups of clientids */
814 814 krwlock_t rfs4_findclient_lock;
815 815
816 816 /* NFSv4 server state client tables */
817 817 /* table expiry times */
818 818 time_t rfs4_client_cache_time;
819 819 time_t rfs4_openowner_cache_time;
820 820 time_t rfs4_state_cache_time;
821 821 time_t rfs4_lo_state_cache_time;
822 822 time_t rfs4_lockowner_cache_time;
823 823 time_t rfs4_file_cache_time;
824 824 time_t rfs4_deleg_state_cache_time;
825 825 time_t rfs4_clntip_cache_time;
826 826 /* tables and indexes */
827 827 /* client table */
828 828 rfs4_table_t *rfs4_client_tab;
829 829 rfs4_index_t *rfs4_clientid_idx;
830 830 rfs4_index_t *rfs4_nfsclnt_idx;
831 831 /* client IP table */
832 832 rfs4_table_t *rfs4_clntip_tab;
833 833 rfs4_index_t *rfs4_clntip_idx;
834 834 /* Open Owner table */
835 835 rfs4_table_t *rfs4_openowner_tab;
836 836 rfs4_index_t *rfs4_openowner_idx;
837 837 /* Open State ID table */
838 838 rfs4_table_t *rfs4_state_tab;
839 839 rfs4_index_t *rfs4_state_idx;
840 840 rfs4_index_t *rfs4_state_owner_file_idx;
841 841 rfs4_index_t *rfs4_state_file_idx;
842 842 /* Lock State ID table */
843 843 rfs4_table_t *rfs4_lo_state_tab;
844 844 rfs4_index_t *rfs4_lo_state_idx;
845 845 rfs4_index_t *rfs4_lo_state_owner_idx;
846 846 /* Lock owner table */
847 847 rfs4_table_t *rfs4_lockowner_tab;
848 848 rfs4_index_t *rfs4_lockowner_idx;
849 849 rfs4_index_t *rfs4_lockowner_pid_idx;
850 850 /* File table */
851 851 rfs4_table_t *rfs4_file_tab;
852 852 rfs4_index_t *rfs4_file_idx;
853 853 /* Deleg State table */
854 854 rfs4_table_t *rfs4_deleg_state_tab;
855 855 rfs4_index_t *rfs4_deleg_idx;
856 856 rfs4_index_t *rfs4_deleg_state_idx;
857 857
858 858 /* client stable storage */
859 859 int rfs4_ss_enabled;
860 860 } nfs4_srv_t;
861 861
862 862 /*
863 863 * max length of the NFSv4 server database name
864 864 */
865 865 #define RFS4_MAX_MEM_CACHE_NAME 48
866 866
867 867 /*
868 868 * global NFSv4 server kmem caches
869 869 * r_db_name - The name of the state database and the table that will use it
870 870 * These tables are defined in nfs4_srv_t
871 871 * r_db_mem_cache - The kmem cache associated with the state database name
872 872 */
873 873 typedef struct rfs4_db_mem_cache {
874 874 char r_db_name[RFS4_MAX_MEM_CACHE_NAME];
875 875 kmem_cache_t *r_db_mem_cache;
876 876 } rfs4_db_mem_cache_t;
877 877
878 878 #define RFS4_DB_MEM_CACHE_NUM 8
879 879
880 880 rfs4_db_mem_cache_t rfs4_db_mem_cache_table[RFS4_DB_MEM_CACHE_NUM];
881 881
882 882
883 883 extern srv_deleg_policy_t nfs4_get_deleg_policy();
884 884
885 885 extern void rfs4_servinst_create(nfs4_srv_t *, int, int, char **);
886 886 extern void rfs4_servinst_destroy_all(nfs4_srv_t *);
887 887 extern void rfs4_servinst_assign(nfs4_srv_t *, rfs4_client_t *,
888 888 rfs4_servinst_t *);
889 889 extern rfs4_servinst_t *rfs4_servinst(rfs4_client_t *);
890 890 extern int rfs4_clnt_in_grace(rfs4_client_t *);
891 891 extern int rfs4_servinst_in_grace(rfs4_servinst_t *);
892 892 extern int rfs4_servinst_grace_new(rfs4_servinst_t *);
893 893 extern void rfs4_grace_start(rfs4_servinst_t *);
894 894 extern void rfs4_grace_start_new(nfs4_srv_t *);
895 895 extern void rfs4_grace_reset_all(nfs4_srv_t *);
896 896 extern void rfs4_ss_oldstate(rfs4_oldstate_t *, char *, char *);
897 897 extern void rfs4_dss_readstate(nfs4_srv_t *, int, char **);
898 898
899 899 /*
900 900 * Various interfaces to manipulate the state structures introduced
901 901 * above
902 902 */
903 903 extern void rfs4_free_reply(nfs_resop4 *);
904 904 extern void rfs4_copy_reply(nfs_resop4 *, nfs_resop4 *);
905 905
906 906 /* rfs4_client_t handling */
907 907 extern rfs4_client_t *rfs4_findclient(nfs_client_id4 *,
908 908 bool_t *, rfs4_client_t *);
909 909 extern rfs4_client_t *rfs4_findclient_by_id(clientid4, bool_t);
910 910 extern rfs4_client_t *rfs4_findclient_by_addr(struct sockaddr *);
911 911 extern void rfs4_client_rele(rfs4_client_t *);
912 912 extern void rfs4_client_close(rfs4_client_t *);
913 913 extern void rfs4_client_state_remove(rfs4_client_t *);
914 914 extern void rfs4_client_scv_next(rfs4_client_t *);
915 915 extern void rfs4_update_lease(rfs4_client_t *);
916 916 extern bool_t rfs4_lease_expired(rfs4_client_t *);
917 917 extern nfsstat4 rfs4_check_clientid(clientid4 *, int);
918 918
919 919 /* rfs4_clntip_t handling */
920 920 extern rfs4_clntip_t *rfs4_find_clntip(struct sockaddr *, bool_t *);
921 921 extern void rfs4_invalidate_clntip(struct sockaddr *);
922 922
923 923 /* rfs4_openowner_t handling */
924 924 extern rfs4_openowner_t *rfs4_findopenowner(open_owner4 *, bool_t *, seqid4);
925 925 extern void rfs4_update_open_sequence(rfs4_openowner_t *);
926 926 extern void rfs4_update_open_resp(rfs4_openowner_t *,
927 927 nfs_resop4 *, nfs_fh4 *);
928 928 extern void rfs4_openowner_rele(rfs4_openowner_t *);
929 929 extern void rfs4_free_opens(rfs4_openowner_t *, bool_t, bool_t);
930 930
931 931 /* rfs4_lockowner_t handling */
932 932 extern rfs4_lockowner_t *rfs4_findlockowner(lock_owner4 *, bool_t *);
933 933 extern rfs4_lockowner_t *rfs4_findlockowner_by_pid(pid_t);
934 934 extern void rfs4_lockowner_rele(rfs4_lockowner_t *);
935 935
936 936 /* rfs4_state_t handling */
937 937 extern rfs4_state_t *rfs4_findstate_by_owner_file(rfs4_openowner_t *,
938 938 rfs4_file_t *, bool_t *);
939 939 extern void rfs4_state_rele(rfs4_state_t *);
940 940 extern void rfs4_state_close(rfs4_state_t *, bool_t,
941 941 bool_t, cred_t *);
942 942 extern void rfs4_release_share_lock_state(rfs4_state_t *,
943 943 cred_t *, bool_t);
944 944 extern void rfs4_close_all_state(rfs4_file_t *);
945 945
946 946 /* rfs4_lo_state_t handling */
947 947 extern rfs4_lo_state_t *rfs4_findlo_state_by_owner(rfs4_lockowner_t *,
948 948 rfs4_state_t *, bool_t *);
949 949 extern void rfs4_lo_state_rele(rfs4_lo_state_t *, bool_t);
950 950 extern void rfs4_update_lock_sequence(rfs4_lo_state_t *);
951 951 extern void rfs4_update_lock_resp(rfs4_lo_state_t *,
952 952 nfs_resop4 *);
953 953
954 954 /* rfs4_file_t handling */
955 955 extern rfs4_file_t *rfs4_findfile(vnode_t *, nfs_fh4 *, bool_t *);
956 956 extern rfs4_file_t *rfs4_findfile_withlock(vnode_t *, nfs_fh4 *,
957 957 bool_t *);
958 958 extern void rfs4_file_rele(rfs4_file_t *);
959 959
960 960 /* General collection of "get state" functions */
961 961 extern nfsstat4 rfs4_get_state(stateid4 *, rfs4_state_t **,
962 962 rfs4_dbsearch_type_t);
963 963 extern nfsstat4 rfs4_get_deleg_state(stateid4 *,
964 964 rfs4_deleg_state_t **);
965 965 extern nfsstat4 rfs4_get_lo_state(stateid4 *, rfs4_lo_state_t **,
966 966 bool_t);
967 967 extern nfsstat4 rfs4_check_stateid(int, vnode_t *, stateid4 *,
968 968 bool_t, bool_t *, bool_t,
969 969 caller_context_t *);
970 970 extern int rfs4_check_stateid_seqid(rfs4_state_t *, stateid4 *);
971 971 extern int rfs4_check_lo_stateid_seqid(rfs4_lo_state_t *,
972 972 stateid4 *);
973 973
974 974 /* return values for rfs4_check_stateid_seqid() */
975 975 #define NFS4_CHECK_STATEID_OKAY 1
976 976 #define NFS4_CHECK_STATEID_OLD 2
977 977 #define NFS4_CHECK_STATEID_BAD 3
978 978 #define NFS4_CHECK_STATEID_EXPIRED 4
979 979 #define NFS4_CHECK_STATEID_REPLAY 5
980 980 #define NFS4_CHECK_STATEID_CLOSED 6
981 981 #define NFS4_CHECK_STATEID_UNCONFIRMED 7
982 982
983 983 /* delay() time that server is willing to briefly wait for a delegreturn */
984 984 #define NFS4_DELEGATION_CONFLICT_DELAY (hz/10)
985 985
986 986 /*
987 987 * Interfaces for handling of callback's client handle cache and
988 988 * callback interfaces themselves.
989 989 */
990 990 extern void rfs4_cbinfo_free(rfs4_cbinfo_t *);
991 991 extern void rfs4_client_setcb(rfs4_client_t *, cb_client4 *,
992 992 uint32_t);
993 993 extern void rfs4_deleg_cb_check(rfs4_client_t *);
994 994 extern nfsstat4 rfs4_vop_getattr(vnode_t *, vattr_t *, int, cred_t *);
995 995
996 996 /* rfs4_deleg_state_t handling and other delegation interfaces */
997 997 extern rfs4_deleg_state_t *rfs4_finddeleg(rfs4_state_t *, bool_t *);
998 998 extern rfs4_deleg_state_t *rfs4_finddelegstate(stateid_t *);
999 999 extern bool_t rfs4_check_recall(rfs4_state_t *, uint32_t);
1000 1000 extern void rfs4_recall_deleg(rfs4_file_t *,
1001 1001 bool_t, rfs4_client_t *);
1002 1002 extern int rfs4_get_deleg(rfs4_state_t *, open_delegation_type4,
1003 1003 open_delegation_type4 (*policy)(rfs4_state_t *,
1004 1004 open_delegation_type4 dtype));
1005 1005 extern rfs4_deleg_state_t *rfs4_grant_delegation(delegreq_t, rfs4_state_t *,
1006 1006 int *);
1007 1007 extern void rfs4_set_deleg_response(rfs4_deleg_state_t *,
1008 1008 open_delegation4 *, nfsace4 *, int);
1009 1009 extern void rfs4_return_deleg(rfs4_deleg_state_t *, bool_t);
1010 1010 extern bool_t rfs4_is_deleg(rfs4_state_t *);
1011 1011 extern void rfs4_deleg_state_rele(rfs4_deleg_state_t *);
1012 1012 extern bool_t rfs4_check_delegated_byfp(int, rfs4_file_t *,
1013 1013 bool_t, bool_t, bool_t, clientid4 *);
1014 1014 extern void rfs4_clear_dont_grant(rfs4_file_t *);
1015 1015
1016 1016 /*
1017 1017 * nfs4 monitored operations.
1018 1018 */
1019 1019 extern int deleg_rd_open(femarg_t *, int, cred_t *, caller_context_t *);
1020 1020 extern int deleg_wr_open(femarg_t *, int, cred_t *, caller_context_t *);
1021 1021 extern int deleg_wr_read(femarg_t *, uio_t *, int, cred_t *,
1022 1022 caller_context_t *);
1023 1023 extern int deleg_rd_write(femarg_t *, uio_t *, int, cred_t *,
1024 1024 caller_context_t *);
1025 1025 extern int deleg_wr_write(femarg_t *, uio_t *, int, cred_t *,
1026 1026 caller_context_t *);
1027 1027 extern int deleg_rd_setattr(femarg_t *, vattr_t *, int, cred_t *,
1028 1028 caller_context_t *);
1029 1029 extern int deleg_wr_setattr(femarg_t *, vattr_t *, int, cred_t *,
1030 1030 caller_context_t *);
1031 1031 extern int deleg_rd_rwlock(femarg_t *, int, caller_context_t *);
1032 1032 extern int deleg_wr_rwlock(femarg_t *, int, caller_context_t *);
1033 1033 extern int deleg_rd_space(femarg_t *, int, flock64_t *, int, offset_t, cred_t *,
1034 1034 caller_context_t *);
1035 1035 extern int deleg_wr_space(femarg_t *, int, flock64_t *, int, offset_t, cred_t *,
1036 1036 caller_context_t *);
1037 1037 extern int deleg_rd_setsecattr(femarg_t *, vsecattr_t *, int, cred_t *,
1038 1038 caller_context_t *);
1039 1039 extern int deleg_wr_setsecattr(femarg_t *, vsecattr_t *, int, cred_t *,
1040 1040 caller_context_t *);
1041 1041 extern int deleg_rd_vnevent(femarg_t *, vnevent_t, vnode_t *, char *,
1042 1042 caller_context_t *);
1043 1043 extern int deleg_wr_vnevent(femarg_t *, vnevent_t, vnode_t *, char *,
1044 1044 caller_context_t *);
1045 1045
1046 1046 extern void rfs4_mon_hold(void *);
1047 1047 extern void rfs4_mon_rele(void *);
1048 1048
1049 1049 extern fem_t *deleg_rdops;
1050 1050 extern fem_t *deleg_wrops;
1051 1051
1052 1052 extern int rfs4_share(rfs4_state_t *, uint32_t, uint32_t);
1053 1053 extern int rfs4_unshare(rfs4_state_t *);
1054 1054 extern void rfs4_set_deleg_policy(nfs4_srv_t *, srv_deleg_policy_t);
1055 1055 extern void rfs4_hold_deleg_policy(nfs4_srv_t *);
1056 1056 extern void rfs4_rele_deleg_policy(nfs4_srv_t *);
1057 1057
1058 1058 #ifdef DEBUG
1059 1059 #define NFS4_DEBUG(var, args) if (var) cmn_err args
1060 1060
1061 1061 extern int rfs4_debug;
1062 1062 extern int nfs4_client_attr_debug;
1063 1063 extern int nfs4_client_state_debug;
1064 1064 extern int nfs4_client_shadow_debug;
1065 1065 extern int nfs4_client_lock_debug;
1066 1066 extern int nfs4_client_lease_debug;
1067 1067 extern int nfs4_seqid_sync;
1068 1068 extern int nfs4_client_map_debug;
1069 1069 extern int nfs4_client_inactive_debug;
1070 1070 extern int nfs4_client_recov_debug;
1071 1071 extern int nfs4_client_failover_debug;
1072 1072 extern int nfs4_client_call_debug;
1073 1073 extern int nfs4_client_foo_debug;
1074 1074 extern int nfs4_client_zone_debug;
1075 1075 extern int nfs4_lost_rqst_debug;
1076 1076 extern int nfs4_open_stream_debug;
1077 1077 extern int nfs4_client_open_dg;
1078 1078 extern int nfs4_srvmnt_debug;
1079 1079 extern int nfs4_utf8_debug;
1080 1080
1081 1081 void rfs4_dbe_debug(rfs4_dbe_t *e);
1082 1082
1083 1083 #ifdef NFS4_DEBUG_MUTEX
1084 1084 void nfs4_debug_mutex_enter(kmutex_t *, char *, int);
1085 1085 void nfs4_debug_mutex_exit(kmutex_t *, char *, int);
1086 1086
1087 1087 #define mutex_enter(m) nfs4_debug_mutex_enter((m), __FILE__, __LINE__)
1088 1088 #define mutex_exit(m) nfs4_debug_mutex_exit((m), __FILE__, __LINE__)
1089 1089 #endif /* NFS4_DEBUG_MUTEX */
1090 1090
1091 1091 #else /* ! DEBUG */
1092 1092 #define NFS4_DEBUG(var, args)
1093 1093 #endif /* DEBUG */
1094 1094
1095 1095 /*
1096 1096 * XXX - temporary for testing of volatile fh
1097 1097 */
1098 1098
1099 1099 #ifdef VOLATILE_FH_TEST
1100 1100
1101 1101 struct nfs_fh4_fmt {
1102 1102 fhandle4_t fh4_i;
1103 1103 uint32_t fh4_flag;
1104 1104 uint32_t fh4_volatile_id;
1105 1105 };
1106 1106
1107 1107 #else /* VOLATILE_FH_TEST */
1108 1108
1109 1109 struct nfs_fh4_fmt {
1110 1110 fhandle4_t fh4_i;
1111 1111 uint32_t fh4_flag;
1112 1112 };
1113 1113
1114 1114 #endif /* VOLATILE_FH_TEST */
1115 1115
1116 1116 #define FH4_NAMEDATTR 1
1117 1117 #define FH4_ATTRDIR 2
1118 1118
1119 1119 #define fh4_fsid fh4_i.fhx_fsid
1120 1120 #define fh4_len fh4_i.fhx_len /* fid length */
1121 1121 #define fh4_data fh4_i.fhx_data /* fid bytes */
1122 1122 #define fh4_xlen fh4_i.fhx_xlen
1123 1123 #define fh4_xdata fh4_i.fhx_xdata
1124 1124 typedef struct nfs_fh4_fmt nfs_fh4_fmt_t;
1125 1125
1126 1126 #define fh4_to_fmt4(fh4p) ((nfs_fh4_fmt_t *)(fh4p)->nfs_fh4_val)
1127 1127 #define get_fh4_flag(fh4p, flag) ((fh4_to_fmt4(fh4p)->fh4_flag) & (flag))
1128 1128 #define set_fh4_flag(fh4p, flag) ((fh4_to_fmt4(fh4p)->fh4_flag) |= (flag))
1129 1129 #define clr_fh4_flag(fh4p, flag) ((fh4_to_fmt4(fh4p)->fh4_flag) &= ~(flag))
1130 1130
1131 1131 #define NFS_FH4_LEN sizeof (nfs_fh4_fmt_t)
1132 1132
1133 1133 /*
1134 1134 * Copy fields from external (fhandle_t) to in-memory (nfs_fh4_fmt_t)
1135 1135 * format to support export info checking. It does not copy over
1136 1136 * the complete filehandle, just the fsid, xlen and xdata. It may
1137 1137 * need to be changed to be used in other places.
1138 1138 *
1139 1139 * NOTE: The macro expects the space to be pre-allocated for
1140 1140 * the contents of nfs_fh4_fmt_t.
1141 1141 */
1142 1142 #define FH_TO_FMT4(exifh, nfs_fmt) { \
1143 1143 bzero((nfs_fmt), NFS_FH4_LEN); \
1144 1144 (nfs_fmt)->fh4_fsid = (exifh)->fh_fsid; \
1145 1145 (nfs_fmt)->fh4_xlen = (exifh)->fh_xlen; \
1146 1146 bcopy((exifh)->fh_xdata, (nfs_fmt)->fh4_xdata, \
1147 1147 (exifh)->fh_xlen); \
1148 1148 }
1149 1149
1150 1150 /*
1151 1151 * A few definitions of repeatedly used constructs for nfsv4
1152 1152 */
1153 1153 #define UTF8STRING_FREE(str) { \
1154 1154 kmem_free((str).utf8string_val, (str).utf8string_len); \
1155 1155 (str).utf8string_val = NULL; \
1156 1156 (str).utf8string_len = 0; \
1157 1157 }
1158 1158
1159 1159 /*
1160 1160 * NFS4_VOLATILE_FH yields non-zero if the filesystem uses non-persistent
1161 1161 * filehandles.
1162 1162 */
1163 1163 #define NFS4_VOLATILE_FH(mi) \
1164 1164 ((mi)->mi_fh_expire_type & \
1165 1165 (FH4_VOLATILE_ANY | FH4_VOL_MIGRATION | FH4_VOL_RENAME))
1166 1166
1167 1167 /*
1168 1168 * NFS_IS_DOTNAME checks if the name given represents a dot or dotdot entry
1169 1169 */
1170 1170 #define NFS_IS_DOTNAME(name) \
1171 1171 (((name)[0] == '.') && \
1172 1172 (((name)[1] == '\0') || (((name)[1] == '.') && ((name)[2] == '\0'))))
1173 1173
1174 1174 /*
1175 1175 * Define the number of bits in a bitmap word (uint32)
1176 1176 */
1177 1177 #define NFS4_BITMAP4_BITSPERWORD (sizeof (uint32_t) * 8)
1178 1178
1179 1179 /*
1180 1180 * Define the value for the access field of the compound_state structure
1181 1181 * based on the result of nfsauth access checking.
1182 1182 */
1183 1183 #define CS_ACCESS_OK 0x1
1184 1184 #define CS_ACCESS_DENIED 0x2
1185 1185 #define CS_ACCESS_LIMITED 0x4
1186 1186
1187 1187 /*
1188 1188 * compound state in nfsv4 server
1189 1189 */
1190 1190 struct compound_state {
1191 1191 struct exportinfo *exi;
1192 1192 struct exportinfo *saved_exi; /* export struct for saved_vp */
1193 1193 cred_t *basecr; /* UNIX cred: only RPC request */
1194 1194 caddr_t principal;
1195 1195 int nfsflavor;
1196 1196 cred_t *cr; /* UNIX cred: RPC request and */
1197 1197 /* target export */
1198 1198 bool_t cont;
1199 1199 uint_t access; /* access perm on vp per request */
1200 1200 bool_t deleg; /* TRUE if current fh has */
1201 1201 /* write delegated */
1202 1202 vnode_t *vp; /* modified by PUTFH, and by ops that */
1203 1203 /* input to GETFH */
1204 1204 bool_t mandlock; /* Is mandatory locking in effect */
1205 1205 /* for vp */
1206 1206 vnode_t *saved_vp; /* modified by SAVEFH, copied to */
1207 1207 /* vp by RESTOREFH */
1208 1208 nfsstat4 *statusp;
1209 1209 nfs_fh4 fh; /* ditto. valid only if vp != NULL */
1210 1210 nfs_fh4 saved_fh; /* ditto. valid only if */
1211 1211 /* saved_vp != NULL */
1212 1212 struct svc_req *req;
1213 1213 char fhbuf[NFS4_FHSIZE];
1214 1214 };
1215 1215
1216 1216 /*
1217 1217 * Conversion commands for nfsv4 server attr checking
1218 1218 */
1219 1219 enum nfs4_attr_cmd {
1220 1220 NFS4ATTR_SUPPORTED = 0, /* check which attrs supported */
1221 1221 NFS4ATTR_GETIT = 1, /* getattr - sys to fattr4 (r) */
1222 1222 NFS4ATTR_SETIT = 2, /* setattr - fattr4 to sys (w) */
1223 1223 NFS4ATTR_VERIT = 3, /* verify - fattr4 to sys (r) */
1224 1224 NFS4ATTR_FREEIT = 4 /* free any alloc'd space for attr */
1225 1225 };
1226 1226
1227 1227 typedef enum nfs4_attr_cmd nfs4_attr_cmd_t;
1228 1228
1229 1229 struct nfs4_svgetit_arg {
1230 1230 nfs4_attr_cmd_t op; /* getit or setit */
1231 1231 struct compound_state *cs;
1232 1232 struct statvfs64 *sbp;
1233 1233 uint_t flag; /* VOP_GETATTR/VOP_SETATTR flag */
1234 1234 uint_t xattr; /* object is xattr */
1235 1235 bool_t rdattr_error_req; /* if readdir & client wants */
1236 1236 /* rdattr_error */
1237 1237 nfsstat4 rdattr_error; /* used for per-entry status */
1238 1238 /* (if rdattr_err) */
1239 1239 bool_t is_referral; /* because sometimes we tell lies */
1240 1240 bool_t mntdfid_set;
1241 1241 fattr4_mounted_on_fileid
1242 1242 mounted_on_fileid;
1243 1243 /* readdir op can always return */
1244 1244 /* d_ino from server fs dirent */
1245 1245 /* for mounted_on_fileid attr. */
1246 1246 /* This field holds d_ino so */
1247 1247 /* srv attr conv code can avoid */
1248 1248 /* doing an untraverse. */
1249 1249 vattr_t vap[1];
1250 1250 };
1251 1251
1252 1252 struct nfs4_ntov_map {
1253 1253 bitmap4 fbit; /* FATTR4_XXX_MASKY */
1254 1254 uint_t vbit; /* AT_XXX */
1255 1255 bool_t vfsstat;
1256 1256 bool_t mandatory; /* attribute mandatory to implement? */
1257 1257 uint_t nval;
1258 1258 int xdr_size; /* Size of XDR'd attr */
1259 1259 xdrproc_t xfunc;
1260 1260 int (*sv_getit)(nfs4_attr_cmd_t, struct nfs4_svgetit_arg *,
1261 1261 union nfs4_attr_u *); /* subroutine for getting attr. */
1262 1262 char *prtstr; /* string attr for printing */
1263 1263 };
1264 1264
1265 1265 struct nfs4attr_to_vattr {
1266 1266 vnode_t *vp;
1267 1267 vattr_t *vap;
1268 1268 nfs_fh4 *fhp;
1269 1269 nfsstat4 rdattr_error;
1270 1270 uint32_t flag;
1271 1271 fattr4_change change;
1272 1272 fattr4_fsid srv_fsid;
1273 1273 fattr4_mounted_on_fileid mntd_fid;
1274 1274 };
1275 1275
1276 1276 typedef struct nfs4attr_to_vattr ntov4_t;
1277 1277
1278 1278 /*
1279 1279 * nfs4attr_to_vattr flags
1280 1280 */
1281 1281 #define NTOV_FHP_VALID 0x01
1282 1282 #define NTOV_RDATTR_ERROR_VALID 0x02
1283 1283 #define NTOV_CHANGE_VALID 0x04
1284 1284 #define NTOV_SUPP_VALID 0x08
1285 1285 #define NTOV_SRV_FSID_VALID 0x10
1286 1286 #define NTOV_MOUNTED_ON_FILEID_VALID 0x20
1287 1287
1288 1288
1289 1289 #define FATTR4_MANDATTR_MASK ( \
1290 1290 FATTR4_SUPPORTED_ATTRS_MASK | \
1291 1291 FATTR4_TYPE_MASK | \
1292 1292 FATTR4_FH_EXPIRE_TYPE_MASK | \
1293 1293 FATTR4_CHANGE_MASK | \
1294 1294 FATTR4_SIZE_MASK | \
1295 1295 FATTR4_LINK_SUPPORT_MASK | \
1296 1296 FATTR4_SYMLINK_SUPPORT_MASK | \
1297 1297 FATTR4_NAMED_ATTR_MASK | \
1298 1298 FATTR4_FSID_MASK | \
1299 1299 FATTR4_UNIQUE_HANDLES_MASK | \
1300 1300 FATTR4_LEASE_TIME_MASK | \
1301 1301 FATTR4_RDATTR_ERROR_MASK | \
1302 1302 FATTR4_FILEHANDLE_MASK)
1303 1303
1304 1304
1305 1305 struct nfs4attr_to_osattr {
1306 1306 void *attrconv_arg;
1307 1307 uint_t mask;
1308 1308 };
1309 1309
1310 1310 struct mntinfo4;
1311 1311
1312 1312 /*
1313 1313 * lkp4_attr_setup lists the different options for attributes when calling
1314 1314 * nfs4lookup_setup - either no attributes (just lookups - e.g., secinfo),
1315 1315 * one component only (normal component lookup), get attributes for the
1316 1316 * last component (e.g., mount), attributes for each component (e.g.,
1317 1317 * failovers later), just the filehandle for the last component (e.g.,
1318 1318 * volatile filehandle recovery), or stuff that needs OPENATTR (e.g.
1319 1319 * looking up a named attribute or it's hidden directory).
1320 1320 */
1321 1321 enum lkp4_attr_setup {
1322 1322 LKP4_NO_ATTRIBUTES = 0, /* no attrs or filehandles */
1323 1323 LKP4_ALL_ATTRIBUTES = 3, /* multi-comp: attrs for all comps */
1324 1324 LKP4_LAST_NAMED_ATTR = 5, /* multi-comp: named attr & attrdir */
1325 1325 LKP4_LAST_ATTRDIR = 6, /* multi-comp: just attrdir */
1326 1326 LKP4_ALL_ATTR_SECINFO = 7 /* multi-comp: attrs for all comp and */
1327 1327 /* secinfo for last comp */
1328 1328 };
1329 1329
1330 1330 /*
1331 1331 * lookup4_param a set of parameters to nfs4lookup_setup -
1332 1332 * used to setup a path lookup compound request.
1333 1333 */
1334 1334 typedef struct lookup4_param {
1335 1335 enum lkp4_attr_setup l4_getattrs; /* (in) get attrs in the lookup? */
1336 1336 int header_len; /* (in) num ops before first lookup */
1337 1337 int trailer_len; /* (in) num ops after last */
1338 1338 /* Lookup/Getattr */
1339 1339 bitmap4 ga_bits; /* (in) Which attributes for Getattr */
1340 1340 COMPOUND4args_clnt *argsp; /* (in/out) args for compound struct */
1341 1341 COMPOUND4res_clnt *resp; /* (in/out) res for compound struct */
1342 1342 int arglen; /* (out) argop buffer alloc'd length */
1343 1343 struct mntinfo4 *mi;
1344 1344 } lookup4_param_t;
1345 1345
1346 1346
1347 1347 #define NFS4_FATTR4_FINISH -1 /* fattr4 index indicating finish */
1348 1348
1349 1349 typedef int (*nfs4attr_to_os_t)(int, union nfs4_attr_u *,
1350 1350 struct nfs4attr_to_osattr *);
1351 1351
1352 1352 /*
1353 1353 * The nfs4_error_t is the basic structure to return error values
1354 1354 * from rfs4call. It encapsulates the unix errno
1355 1355 * value, the nfsstat4 value and the rpc status value into a single
1356 1356 * structure.
1357 1357 *
1358 1358 * If error is set, then stat is ignored and rpc_status may be
1359 1359 * set if the error occurred as the result of a CLNT_CALL. If
1360 1360 * stat is set, then rpc request succeeded, error and
1361 1361 * rpc_status are set to 0 and stat contains the result of
1362 1362 * operation, NFS4_OK or one of the NFS4ERR_* values.
1363 1363 *
1364 1364 * Functions which want to generate errors independently from
1365 1365 * rfs4call should set error to the desired errno value and
1366 1366 * set stat and rpc_status to 0. nfs4_error_init() is a
1367 1367 * convenient function to do this.
1368 1368 */
1369 1369 typedef struct {
1370 1370 int error;
1371 1371 nfsstat4 stat;
1372 1372 enum clnt_stat rpc_status;
1373 1373 } nfs4_error_t;
1374 1374
1375 1375 /*
1376 1376 * Shared functions
1377 1377 */
1378 1378 extern void rfs4_op_readdir(nfs_argop4 *, nfs_resop4 *,
1379 1379 struct svc_req *, struct compound_state *);
1380 1380 extern void nfs_fh4_copy(nfs_fh4 *, nfs_fh4 *);
1381 1381
1382 1382 extern void nfs4_fattr4_free(fattr4 *);
1383 1383
1384 1384 extern int nfs4lookup_setup(char *, lookup4_param_t *, int);
1385 1385 extern void nfs4_getattr_otw_norecovery(vnode_t *,
1386 1386 nfs4_ga_res_t *, nfs4_error_t *, cred_t *, int);
1387 1387 extern int nfs4_getattr_otw(vnode_t *, nfs4_ga_res_t *, cred_t *, int);
1388 1388 extern int nfs4cmpfh(const nfs_fh4 *, const nfs_fh4 *);
1389 1389 extern int nfs4cmpfhandle(nfs4_fhandle_t *, nfs4_fhandle_t *);
1390 1390 extern int nfs4getattr(vnode_t *, struct vattr *, cred_t *);
1391 1391 extern int nfs4_waitfor_purge_complete(vnode_t *);
1392 1392 extern int nfs4_validate_caches(vnode_t *, cred_t *);
1393 1393 extern int nfs4init(int, char *);
1394 1394 extern void nfs4fini(void);
1395 1395 extern int nfs4_vfsinit(void);
1396 1396 extern void nfs4_vfsfini(void);
1397 1397
1398 1398 extern void nfs4_vnops_init(void);
1399 1399 extern void nfs4_vnops_fini(void);
1400 1400 extern void nfs_idmap_init(void);
1401 1401 extern void nfs_idmap_flush(int);
1402 1402 extern void nfs_idmap_fini(void);
1403 1403 extern int nfs4_rnode_init(void);
1404 1404 extern int nfs4_rnode_fini(void);
1405 1405 extern int nfs4_shadow_init(void);
1406 1406 extern int nfs4_shadow_fini(void);
1407 1407 extern int nfs4_acache_init(void);
1408 1408 extern int nfs4_acache_fini(void);
1409 1409 extern int nfs4_subr_init(void);
1410 1410 extern int nfs4_subr_fini(void);
1411 1411 extern void nfs4_acl_init(void);
1412 1412 extern void nfs4_acl_free_cache(vsecattr_t *);
1413 1413
1414 1414 extern int geterrno4(nfsstat4);
1415 1415 extern nfsstat4 puterrno4(int);
1416 1416 extern int nfs4_need_to_bump_seqid(COMPOUND4res_clnt *);
1417 1417 extern int nfs4tsize(void);
1418 1418 extern int checkauth4(struct compound_state *, struct svc_req *);
1419 1419 extern nfsstat4 call_checkauth4(struct compound_state *, struct svc_req *);
1420 1420 extern int is_exported_sec(int, struct exportinfo *);
1421 1421 extern void nfs4_vmask_to_nmask(uint_t, bitmap4 *);
1422 1422 extern void nfs4_vmask_to_nmask_set(uint_t, bitmap4 *);
1423 1423 extern int nfs_idmap_str_uid(utf8string *u8s, uid_t *, bool_t);
1424 1424 extern int nfs_idmap_str_gid(utf8string *u8s, gid_t *, bool_t);
1425 1425 extern int nfs_idmap_uid_str(uid_t, utf8string *u8s, bool_t);
1426 1426 extern int nfs_idmap_gid_str(gid_t gid, utf8string *u8s, bool_t);
1427 1427 extern int nfs4_time_ntov(nfstime4 *, timestruc_t *);
1428 1428 extern int nfs4_time_vton(timestruc_t *, nfstime4 *);
1429 1429 extern char *utf8_to_str(utf8string *, uint_t *, char *);
1430 1430 extern char *utf8_to_fn(utf8string *, uint_t *, char *);
1431 1431 extern utf8string *str_to_utf8(char *, utf8string *);
1432 1432 extern utf8string *utf8_copy(utf8string *, utf8string *);
1433 1433 extern int utf8_compare(const utf8string *, const utf8string *);
1434 1434 extern nfsstat4 utf8_dir_verify(utf8string *);
1435 1435 extern char *utf8_strchr(utf8string *, const char);
1436 1436 extern int ln_ace4_cmp(nfsace4 *, nfsace4 *, int);
1437 1437 extern int vs_aent_to_ace4(vsecattr_t *, vsecattr_t *, int, int);
1438 1438 extern int vs_ace4_to_aent(vsecattr_t *, vsecattr_t *, uid_t, gid_t,
1439 1439 int, int);
1440 1440 extern int vs_ace4_to_acet(vsecattr_t *, vsecattr_t *, uid_t, gid_t,
1441 1441 int);
1442 1442 extern int vs_acet_to_ace4(vsecattr_t *, vsecattr_t *, int);
1443 1443 extern void vs_acet_destroy(vsecattr_t *);
1444 1444 extern void vs_ace4_destroy(vsecattr_t *);
1445 1445 extern void vs_aent_destroy(vsecattr_t *);
1446 1446
1447 1447 extern int vn_find_nfs_record(vnode_t *, nvlist_t **, char **, char **);
1448 1448 extern int vn_is_nfs_reparse(vnode_t *, cred_t *);
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1449 1449 extern fs_locations4 *fetch_referral(vnode_t *, cred_t *);
1450 1450 extern char *build_symlink(vnode_t *, cred_t *, size_t *);
1451 1451
1452 1452 extern int stateid4_cmp(stateid4 *, stateid4 *);
1453 1453
1454 1454 extern vtype_t nf4_to_vt[];
1455 1455
1456 1456 extern struct nfs4_ntov_map nfs4_ntov_map[];
1457 1457 extern uint_t nfs4_ntov_map_size;
1458 1458
1459 -extern kstat_named_t *rfsproccnt_v4_ptr;
1460 1459 extern struct vfsops *nfs4_vfsops;
1461 1460 extern struct vnodeops *nfs4_vnodeops;
1462 1461 extern const struct fs_operation_def nfs4_vnodeops_template[];
1463 1462 extern vnodeops_t *nfs4_trigger_vnodeops;
1464 1463 extern const struct fs_operation_def nfs4_trigger_vnodeops_template[];
1465 1464
1466 1465 extern uint_t nfs4_tsize(struct knetconfig *);
1467 1466 extern uint_t rfs4_tsize(struct svc_req *);
1468 1467
1469 1468 extern bool_t xdr_inline_decode_nfs_fh4(uint32_t *, nfs_fh4_fmt_t *,
1470 1469 uint32_t);
1471 1470 extern bool_t xdr_inline_encode_nfs_fh4(uint32_t **, uint32_t *,
1472 1471 nfs_fh4_fmt_t *);
1473 1472
1474 1473 #ifdef DEBUG
1475 1474 extern int rfs4_do_pre_op_attr;
1476 1475 extern int rfs4_do_post_op_attr;
1477 1476 #endif
1478 1477
1479 1478 extern stateid4 clnt_special0;
1480 1479 extern stateid4 clnt_special1;
1481 1480 #define CLNT_ISSPECIAL(id) (stateid4_cmp(id, &clnt_special0) || \
1482 1481 stateid4_cmp(id, &clnt_special1))
1483 1482
1484 1483 /*
1485 1484 * The NFS Version 4 service procedures.
1486 1485 */
1487 1486
1488 1487 extern void rfs4_do_server_start(int, int, int);
1489 1488 extern void rfs4_compound(COMPOUND4args *, COMPOUND4res *,
1490 1489 struct exportinfo *, struct svc_req *, cred_t *, int *);
1491 1490 extern void rfs4_compound_free(COMPOUND4res *);
1492 1491 extern void rfs4_compound_flagproc(COMPOUND4args *, int *);
1493 1492
1494 1493 extern void rfs4_srvrinit(void);
1495 1494 extern void rfs4_srvrfini(void);
1496 1495 extern void rfs4_srv_zone_init(nfs_globals_t *);
1497 1496 extern void rfs4_srv_zone_fini(nfs_globals_t *);
1498 1497 extern void rfs4_state_g_init(void);
1499 1498 extern void rfs4_state_zone_init(nfs4_srv_t *);
1500 1499 extern void rfs4_state_g_fini(void);
1501 1500 extern void rfs4_state_zone_fini(void);
1502 1501 extern nfs4_srv_t *nfs4_get_srv(void);
1503 1502
1504 1503 #endif
1505 1504 #ifdef __cplusplus
1506 1505 }
1507 1506 #endif
1508 1507
1509 1508 #endif /* _NFS4_H */
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