xref: /titanic_41/usr/src/head/meta.h (revision fd9cb95cbb2f626355a60efb9d02c5f0a33c10e6)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef	_META_H
28 #define	_META_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #include <limits.h>
33 #include <stdio.h>
34 #include <stdlib.h>
35 #include <fcntl.h>
36 #include <errno.h>
37 #include <string.h>
38 #include <unistd.h>
39 #include <libgen.h>
40 #include <locale.h>
41 #include <time.h>
42 #include <assert.h>
43 #include <stdarg.h>
44 #include <signal.h>
45 #include <devid.h>
46 #include <sys/types.h>
47 #include <sys/stat.h>
48 #include <sys/sysmacros.h>
49 #include <sys/mkdev.h>
50 #include <sys/time.h>
51 #include <sys/dkio.h>
52 #include <sys/vtoc.h>
53 #include <sys/efi_partition.h>
54 #include <meta_basic.h>
55 #include <mdiox.h>
56 #include <metamed.h>
57 #include <sys/lvm/mdio.h>
58 #include <sys/lvm/md_mddb.h>
59 #include <sys/lvm/md_sp.h>
60 #include <sys/lvm/mdmn_commd.h>
61 
62 #ifdef	__cplusplus
63 extern "C" {
64 #endif
65 
66 /* debug malloc include */
67 #ifdef	DEBUG_MALLOC
68 #ifdef	_REENTRANT
69 die right now
70 #endif
71 #include <../lib/malloclib/malloc.h>
72 #endif
73 
74 /*
75  * useful macros
76  */
77 #ifndef	min
78 #define	min(x, y)	(((x) < (y)) ? (x) : (y))
79 #endif
80 #ifndef	max
81 #define	max(x, y)	(((x) > (y)) ? (x) : (y))
82 #endif
83 #ifndef	rounddown
84 #define	rounddown(x, y)	(((x) / (y)) * (y))
85 #endif
86 
87 /*
88  * external names
89  */
90 
91 #define	METATAB			"/etc/lvm/md.tab"
92 #define	METACONF		"/etc/lvm/md.cf"
93 #define	METACONFTMP		"/etc/lvm/md.cf.new"
94 #define	META_DBCONF		"/etc/lvm/mddb.cf"
95 #define	META_DBCONFTMP		"/etc/lvm/mddb.cf.new"
96 #define	META_MNSET_NODELIST	"/var/run/nodelist"
97 #define	METALOG			"/etc/lvm/md.log"
98 #define	METALOCK		"/etc/lvm/lock"
99 #define	METADEVPATH		"/etc/lvm/devpath"
100 #define	METALOGENV		"MD_LOG"
101 #define	METAPKGROOT		"/usr"
102 #define	ADMSPECIAL		"/dev/md/admin"
103 
104 #define	MDB_STR			"metadevice state database"
105 
106 /* default database size (4MB) */
107 #define	MD_DBSIZE	(8192)
108 
109 /* default Multinode database size (16MB) */
110 #define	MD_MN_DBSIZE	(32768)
111 
112 /* disk label size */
113 #define	VTOC_SIZE	(16)
114 
115 /* maximum ctd name size (in # of digits) for printing out */
116 #define	CTD_FORMAT_LEN	6
117 
118 /* Recommend timeout in seconds for RPC client creation. */
119 #define	MD_CLNT_CREATE_TOUT	(60)
120 
121 /*
122  * If event needs to be checked during wait of MD_CLNT_CREATE_TOUT,
123  * spin checking for event and then waiting for MD_CLNT_CREATE_SUBTIMEOUT
124  * seconds until MD_CLNT_CREATE_TOUT seconds are used.
125  */
126 #define	MD_CLNT_CREATE_SUBTIMEOUT	(5)
127 
128 /*
129  * metaclust verbosity levels and what they are for. Messages upto MC_LOG2
130  * will also be logged in syslog.
131  */
132 #define	MC_LOG0		0	/* special class. log messages regardless of */
133 				/* debug level */
134 #define	MC_LOG1		1	/* log standard error messages */
135 #define	MC_LOG2		2	/* log metaclust step level timing messages */
136 #define	MC_LOG3		3	/* log per set level timing messages */
137 				/* intended for use in loops walking mn sets */
138 #define	MC_LOG4		4	/* log per device level timing messages */
139 				/* intended for use in loops walking devices */
140 #define	MC_LOG5		5	/* typically for use in deep nested loops */
141 				/* or in libmeta routines */
142 
143 /*
144  * for meta_print* options
145  */
146 typedef	uint_t	mdprtopts_t;
147 #define	PRINT_SHORT		0x00000001
148 #define	PRINT_SUBDEVS		0x00000002
149 #define	PRINT_HEADER		0x00000004
150 #define	PRINT_DEBUG		0x00000008
151 #define	PRINT_TIMES		0x00000010
152 #define	PRINT_SETSTAT		0x00000020
153 #define	PRINT_SETSTAT_ONLY	0x00000040
154 #define	PRINT_FAST		0x00000080
155 #define	PRINT_DEVID		0x00000100
156 #define	PRINT_LARGEDEVICES	0x00000200
157 
158 /*
159  * for meta_devadm options
160  */
161 typedef	uint_t  mddevopts_t;
162 #define	DEV_VERBOSE		0x00000001
163 #define	DEV_NOACTION		0x00000002
164 #define	DEV_LOG			0x00000004
165 #define	DEV_RELOAD		0x00000008
166 #define	DEV_UPDATE		0x00000010
167 #define	DEV_LOCAL_SET		0x00000020	/* update only MD_LOCAL_SET */
168 
169 /*
170  * return values for meta_devadm operations
171  */
172 #define	METADEVADM_SUCCESS	0
173 #define	METADEVADM_ERR		1
174 #define	METADEVADM_DEVIDINVALID	2
175 #define	METADEVADM_DSKNAME_ERR	3
176 #define	METADEVADM_DISKMOVE	4
177 
178 /*
179  * meta_check* options
180  */
181 typedef	uint_t	mdchkopts_t;
182 #define	MDCHK_ALLOW_MDDB	0x01	/* allows repliica in md's (metainit) */
183 #define	MDCHK_ALLOW_HS		0x02	/* allows hs in multiple hsp's (hs) */
184 #define	MDCHK_ALLOW_LOG		0x04	/* allows sharing of logs (trans) */
185 #define	MDCHK_ALLOW_REPSLICE	0x08	/* allow replica slice to be used */
186 #define	MDCHK_ALLOW_NODBS	0x10	/* no db replicas allowed (metadb) */
187 #define	MDCHK_DRVINSET		0x20	/* drive is in set (metaset) */
188 #define	MDCHK_SET_LOCKED	0x40	/* The set is locked */
189 #define	MDCHK_SET_FORCE		0x80	/* This is a forced operation */
190 
191 /*
192  * meta_check_inuse options
193  */
194 typedef uint_t	mdinuseopts_t;
195 #define	MDCHK_SWAP	0x01		/* check swap & overlap w/swap */
196 #define	MDCHK_DUMP	0x02		/* check dump & overlap w/dump */
197 #define	MDCHK_MOUNTED	0x04		/* check mounted & overlap w/mounted */
198 #define	MDCHK_INUSE	0xff		/* check all */
199 
200 /*
201  * meta* force options
202  */
203 typedef	uint_t	mdforceopts_t;
204 #define	MDFORCE_NONE		0x01	/* no extra force used */
205 #define	MDFORCE_LOCAL		0x02	/* force from metadb command line */
206 #define	MDFORCE_DS		0x04	/* force from metaset library */
207 #define	MDFORCE_SET_LOCKED	0x10	/* The set is locked */
208 
209 
210 /*
211  * meta* options
212  */
213 typedef	uint_t	mdcmdopts_t;
214 #define	MDCMD_DOIT		0x0001	/* really do operation */
215 #define	MDCMD_FORCE		0x0002	/* force operation */
216 #define	MDCMD_PRINT		0x0004	/* print success messages to stdout */
217 #define	MDCMD_RECURSE		0x0008	/* recursive operation */
218 #define	MDCMD_INIT		0x0010	/* init operation */
219 #define	MDCMD_UPDATE		0x0020	/* update sizes used w/o DOIT mostly */
220 #define	MDCMD_NOLOCK		0x0040	/* lock already held, DONT acquire */
221 #define	MDCMD_CLUSTER_REPLACE	0x0080	/* don't resync raid */
222 #define	MDCMD_VERBOSE		0x0100	/* be verbose */
223 #define	MDCMD_USE_WHOLE_DISK	0x0200	/* repartition disk */
224 #define	MDCMD_DIRECT		0x0400	/* extents specified directly */
225 #define	MDCMD_ALLOPTION		0x0800	/* the all option is being used */
226 #define	MDCMD_MN_OPEN_CHECK	0x1000	/* Perform open check on all nodes */
227 
228 /*
229  * meta_tab* definitions
230  */
231 #define	TAB_ARG_ALLOC	5
232 #define	TAB_LINE_ALLOC	10
233 
234 typedef uint_t mdinittypes_t;
235 #define	TAB_UNKNOWN		0x0000
236 #define	TAB_MDDB		0x0001
237 #define	TAB_HSP			0x0002
238 #define	TAB_STRIPE		0x0004
239 #define	TAB_MIRROR		0x0008
240 #define	TAB_RAID		0x0010
241 #define	TAB_TRANS		0x0020
242 #define	TAB_SP			0x0040
243 #define	TAB_MD			(TAB_STRIPE | TAB_MIRROR | TAB_RAID |\
244 					TAB_TRANS | TAB_SP)
245 #define	TAB_MD_HSP		(TAB_MD | TAB_HSP)
246 
247 typedef	struct {
248 	mdinittypes_t	type;
249 	char		*context;
250 	char		*cname;
251 	int		argc;
252 	char		**argv;
253 	size_t		alloc;
254 	uint_t		flags;	/* for application use */
255 } md_tab_line_t;
256 
257 typedef	struct {
258 	char		*filename;
259 	char		*data;
260 	size_t		total;
261 	size_t		nlines;
262 	md_tab_line_t	*lines;
263 	size_t		alloc;
264 } md_tab_t;
265 
266 /*
267  * disk status definitions
268  */
269 typedef struct md_disk_status_list {
270 	struct md_disk_status_list	*next;
271 	mddrivename_t			*drivenamep;
272 	md_error_t			status;
273 } md_disk_status_list_t;
274 
275 /*
276  * module name list used by meta_patch_root & meta_systemfile
277  */
278 struct modname {
279 	char		*name;
280 	struct modname	*next;
281 };
282 
283 /*
284  * list to be used for printing Device Relocation Information
285  */
286 typedef struct mddevid_t {
287 	struct mddevid_t *next;
288 	char *ctdname;
289 	mdkey_t key;
290 } mddevid_t;
291 
292 /*
293  * Multi-Node Diskset List
294  *
295  * we either store the IP address of the private interconnect or its name
296  * in the msl_node_addr member
297  */
298 typedef struct mndiskset_membershiplist {
299 	uint_t				msl_node_id;
300 	md_mnnode_nm_t			msl_node_name;
301 	md_mnnode_nm_t			msl_node_addr;
302 	struct mndiskset_membershiplist	*next;
303 } mndiskset_membershiplist_t;
304 
305 /*
306  * client pool for rpc calls to mdcommd
307  */
308 typedef struct md_mn_client_list {
309 	CLIENT *mcl_clnt;
310 	struct md_mn_client_list *mcl_next;
311 } md_mn_client_list_t;
312 
313 /*
314  * Resync thread manipulation commands.
315  *
316  * The resync thread can now be started, blocked, unblocked or killed.
317  * This typedef specifies the action to be taken by meta_resync.c
318  * routines.
319  */
320 typedef enum {
321 	MD_RESYNC_START = 1,
322 	MD_RESYNC_BLOCK,
323 	MD_RESYNC_UNBLOCK,
324 	MD_RESYNC_KILL,
325 	MD_RESYNC_KILL_NO_WAIT,
326 	MD_RESYNC_FORCE_MNSTART
327 } md_resync_cmd_t;
328 
329 
330 /*
331  * rpc.metad macro definitions.
332  */
333 #define	METAD_SETUP_DR(cmd, id)	\
334 	{				\
335 	req.ur_cmd = cmd;		\
336 	req.ur_setno = MD_LOCAL_SET;	\
337 	req.ur_type = MDDB_USER;	\
338 	req.ur_type2 = MDDB_UR_DR;	\
339 	req.ur_recid = id;		\
340 	}
341 
342 #define	METAD_SETUP_NR(cmd, id)	\
343 	{				\
344 	req.ur_cmd = cmd;		\
345 	req.ur_setno = MD_LOCAL_SET;	\
346 	req.ur_type = MDDB_USER;	\
347 	req.ur_type2 = MDDB_UR_NR;	\
348 	req.ur_recid = id;		\
349 	}
350 
351 #define	METAD_SETUP_SR(cmd, id)	\
352 	{				\
353 	req.ur_cmd = cmd;		\
354 	req.ur_setno = MD_LOCAL_SET;	\
355 	req.ur_type = MDDB_USER;	\
356 	req.ur_type2 = MDDB_UR_SR;	\
357 	req.ur_recid = id;		\
358 	}
359 
360 #define	METAD_SETUP_UR(cmd, type2, id)	\
361 	{				\
362 	req.ur_cmd = cmd;		\
363 	req.ur_setno = MD_LOCAL_SET;	\
364 	req.ur_type = MDDB_USER;	\
365 	req.ur_type2 = type2;		\
366 	req.ur_recid = id;		\
367 	}
368 
369 #define	METAD_SETUP_LR(cmd, setno, id)	\
370 	{				\
371 	req.ur_cmd = cmd;		\
372 	req.ur_setno = setno;	\
373 	req.ur_type = MDDB_USER;	\
374 	req.ur_type2 = MDDB_UR_LR;	\
375 	req.ur_recid = id;		\
376 	}
377 
378 /*
379  * This typedef specifies the signature of a function that
380  * meta_client_create_retry can use to establish an rpc connection.
381  * private is used to pass data from the caller of meta_client_create_retry
382  * to clnt_create_func.
383  */
384 typedef CLIENT *(*clnt_create_func_t)(char *hostname,
385 	void *private,
386 	struct timeval *time_out);
387 
388 /* definition of the table for the different message types */
389 typedef struct md_mn_msg_tbl_entry {
390 	md_mn_msgclass_t	mte_class;
391 	void (*mte_handler)
392 	    (md_mn_msg_t *msg, uint_t flags, md_mn_result_t *res);
393 	int (*mte_smgen)
394 	    (md_mn_msg_t *msg, md_mn_msg_t **msglist);
395 	time_t		mte_timeout; /* seconds before msg times out */
396 	uint_t		mte_retry1; /* nretries in case of class busy */
397 	uint_t		mte_ticks1; /* sleep nticks before retry */
398 	uint_t		mte_retry2; /* nretries in case of comm fail */
399 	uint_t		mte_ticks2; /* sleep nticks before retry */
400 } md_mn_msg_tbl_entry_t;
401 
402 /*
403  * Flags for the take command
404  */
405 #define	TAKE_FORCE	0x0001
406 #define	TAKE_USETAG	0x0002
407 #define	TAKE_USEIT	0x0004
408 
409 /*
410  * ignore gettext for lint so we check printf args
411  */
412 #ifdef __lint
413 #define	dgettext(d, s)	s
414 #define	gettext(s)	s
415 #endif
416 
417 /*
418  * Defines for enabling/disabling SVM services in SMF.
419  */
420 #define	META_SMF_CORE		0x01
421 #define	META_SMF_DISKSET	0x02
422 #define	META_SMF_MN_DISKSET	0x04
423 #define	META_SMF_ALL		0xFF
424 
425 /*
426  * Defines to send/not_send addition of mddb sidenames to
427  * rpc.mdcommd for MN disksets.
428  */
429 #define	DB_ADDSIDENMS_NO_BCAST	0
430 #define	DB_ADDSIDENMS_BCAST	1
431 
432 /*
433  * Defines and structures to support rpc.mdcommd.
434  * RPC routines in rpc.metad will be used to suspend, resume
435  * and reinitialize the rpc.mdcommd running on that node.
436  * These actions are needed when the nodelist is changing.
437  */
438 #define	COMMDCTL_SUSPEND	1
439 #define	COMMDCTL_RESUME		2
440 #define	COMMDCTL_REINIT		3
441 
442 /*
443  * Defines used when joining a node to a MN diskset.
444  * A MN diskset is stale if < 50% mddbs are available when the first node
445  * joins the set.  A MN diskset is stale when 50% mddbs are available when
446  * the first node joins the set if the mediator is unable to provide an
447  * extra vote.
448  * Once a MN set is marked stale, it stays in the stale state (even if > 50%
449  * mddbs are available) until all nodes are withdrawn from the diskset.
450  * Any new nodes joining a stale MN diskset are marked stale regardless of
451  * the availability of mddbs in order to keep the diskset consistent across
452  * all nodes.
453  *
454  * If a reconfig cycle is underway, set the reconfig flag so that rpc.metad
455  * clnt_locks are not enforced.  Since the reconfig cycle has locked out the
456  * meta* commands, this is safe to do.
457  */
458 #define	MNSET_IS_STALE		1	/* Is MN set stale? */
459 #define	MNSET_IN_RECONFIG	2	/* Is MN set in reconfig? */
460 
461 /*
462  * Structure used during reconfig step2 to aid in sychronization
463  * of the drives in a diskset.
464  */
465 typedef struct md_mnsr_node {
466 	md_mnset_record		*mmn_mnsr;
467 	md_mnnode_nm_t		mmn_nodename;
468 	int			mmn_numdrives;
469 	md_drive_desc		*mmn_dd;
470 	struct md_mnsr_node	*mmn_next;
471 } md_mnsr_node_t;
472 
473 
474 /*
475  * meta events definitions ("meta_notify.h")
476  */
477 
478 /*
479  * event flags
480  * meta_notify_createq(),	(EXISTERR, PERMANENT)
481  * meta_notify_getev(),		(WAIT)
482  * meta_notify_getevlist()	(WAIT)
483  */
484 #define	EVFLG_WAIT	0x00000001	/* block until events are pending */
485 #define	EVFLG_EXISTERR	0x00000002	/* if q exists, return an error */
486 #define	EVFLG_PERMANENT	0x00000004	/* queue persists after process exit */
487 
488 /*
489  * events are always associated with an underlying object
490  * This object is of one of the following types.
491  */
492 typedef enum md_ev_objtype_t {
493 	EVO_EMPTY	= 0,
494 	EVO_METADEV,
495 	EVO_MIRROR,
496 	EVO_STRIPE,
497 	EVO_RAID5,
498 	EVO_TRANS,
499 	EVO_REPLICA,
500 	EVO_HSP,
501 	EVO_HS,
502 	EVO_SET,
503 	EVO_DRIVE,
504 	EVO_HOST,
505 	EVO_MEDIATOR,
506 	EVO_UNSPECIFIED,
507 	EVO_LAST
508 } ev_obj_t;
509 
510 /*
511  * Specific events are sent upon state changes
512  * in the underlying devices or when sent by
513  * user applications. These events have a unique
514  * type. These types map to kernel event types (sys/md_notify.h)
515  *
516  * When updating these UPDATE THE TABLE in lib/config/config.c
517  */
518 typedef enum md_ev_id_t {
519 	EV_UNK = 0,
520 	EV_EMPTY,
521 	EV_CREATE,
522 	EV_DELETE,
523 	EV_ADD,
524 	EV_REMOVE,
525 	EV_REPLACE,
526 	EV_GROW,
527 	EV_RENAME_SRC,
528 	EV_RENAME_DST,
529 	EV_MEDIATOR_ADD,
530 	EV_MEDIATOR_DELETE,
531 	EV_HOST_ADD,
532 	EV_HOST_DELETE,
533 	EV_DRIVE_ADD,
534 	EV_DRIVE_DELETE,
535 	EV_INIT_START,
536 	EV_INIT_FAILED,
537 	EV_INIT_FATAL,
538 	EV_INIT_SUCCESS,
539 	EV_IOERR,
540 	EV_ERRED,
541 	EV_LASTERRED,
542 	EV_OK,
543 	EV_ENABLE,
544 	EV_RESYNC_START,
545 	EV_RESYNC_FAILED,
546 	EV_RESYNC_SUCCESS,
547 	EV_RESYNC_DONE,
548 	EV_HOTSPARED,
549 	EV_HS_FREED,
550 	EV_HS_CHANGED,
551 	EV_TAKEOVER,
552 	EV_RELEASE,
553 	EV_OPEN_FAIL,
554 	EV_OFFLINE,
555 	EV_ONLINE,
556 	EV_GROW_PENDING,
557 	EV_DETACH,
558 	EV_DETACHING,
559 	EV_ATTACH,
560 	EV_ATTACHING,
561 	EV_CHANGE,
562 	EV_EXCHANGE,
563 	EV_REGEN_START,
564 	EV_REGEN_DONE,
565 	EV_REGEN_FAILED,
566 	EV_USER,
567 	EV_NOTIFY_LOST,
568 	EV_LAST
569 } evid_t;
570 
571 #define	EV_ALLOBJS	(~0ULL)
572 #define	EV_ALLSETS	((set_t)(~0))
573 
574 #if !defined(_KERNEL)
575 
576 #define	NOTIFY_MD(tag, set, dev, ev)					\
577 	(void) meta_notify_sendev((tag), (set), (dev), (ev))
578 
579 #define	SE_NOTIFY(se_class, se_subclass, tag, set, dev)			\
580 	meta_svm_sysevent((se_class), (se_subclass), (tag), (set), (dev))
581 
582 #endif /* _KERNEL */
583 
584 typedef struct md_ev {
585 	ev_obj_t	obj_type;
586 	set_t		setno;
587 	evid_t		ev;
588 	u_longlong_t	obj;	/* usually md_dev64_t or hsp id */
589 	u_longlong_t	uev;	/* for (EV_USER) user-defined events */
590 } md_ev_t;
591 
592 typedef struct md_evlist {
593 	struct md_evlist	*next;
594 	md_ev_t			*evp;
595 } md_evlist_t;
596 
597 /* end of meta event definitions ("meta_notify.h") */
598 
599 
600 /* meta_admin.c */
601 extern	int		open_admin(md_error_t *ep);
602 extern	int		close_admin(md_error_t *ep);
603 extern	int		meta_dev_ismeta(md_dev64_t dev);
604 extern	int		meta_get_nunits(md_error_t *ep);
605 extern	md_dev64_t	metamakedev(minor_t mnum);
606 
607 /* meta_attach.c */
608 extern	int		meta_concat_generic(mdsetname_t *sp, mdname_t *namep,
609 			    u_longlong_t big_or_little, md_error_t *ep);
610 extern	int		meta_concat_parent(mdsetname_t *sp, mdname_t *childnp,
611 			    md_error_t *ep);
612 
613 /* meta_check.c */
614 extern	int		meta_check_inuse(mdsetname_t *sp, mdname_t *np,
615 			    mdinuseopts_t inuse_flag, md_error_t *ep);
616 extern	int		meta_check_driveinset(mdsetname_t *sp,
617 			    mddrivename_t *dnp, md_error_t *ep);
618 extern	int		meta_check_drivemounted(mdsetname_t *sp,
619 			    mddrivename_t *dnp, md_error_t *ep);
620 extern	int		meta_check_driveswapped(mdsetname_t *sp,
621 			    mddrivename_t *dnp, md_error_t *ep);
622 extern	int		meta_check_samedrive(mdname_t *np1, mdname_t *np2,
623 			    md_error_t *ep);
624 extern	int		meta_check_overlap(char *uname, mdname_t *np1,
625 			    diskaddr_t slblk1, diskaddr_t nblks1, mdname_t *np2,
626 			    diskaddr_t slblk2, diskaddr_t nblks2,
627 			    md_error_t *ep);
628 extern	int		meta_check_inmeta(mdsetname_t *sp, mdname_t *np,
629 			    mdchkopts_t options, diskaddr_t slblk,
630 			    diskaddr_t nblks,
631 			    md_error_t *ep);
632 extern	int		meta_check_inset(mdsetname_t *sp, mdname_t *np,
633 			    md_error_t *ep);
634 extern  int		meta_check_root(md_error_t *ep);
635 
636 
637 /* meta_db.c */
638 extern	char		*meta_devid_encode_str(ddi_devid_t devid,
639 			    char *minor_name);
640 extern	void		meta_devid_encode_str_free(char *devidstr);
641 extern	int		meta_devid_decode_str(char *devidstr,
642 			    ddi_devid_t *devidp, char **minor_namep);
643 extern	int		meta_check_inreplica(mdsetname_t *sp, mdname_t *np,
644 			    diskaddr_t slblk, diskaddr_t nblks, md_error_t *ep);
645 extern	int		meta_check_replica(mdsetname_t *sp, mdname_t *np,
646 			    mdchkopts_t options, diskaddr_t slblk,
647 			    diskaddr_t nblks, md_error_t *ep);
648 extern	int		meta_db_addsidenms(mdsetname_t *sp, mdname_t *np,
649 			    daddr_t blkno, int bcast, md_error_t *ep);
650 extern	int		meta_db_delsidenm(mdsetname_t *sp, side_t sideno,
651 			    mdname_t *np, daddr_t blkno, md_error_t *ep);
652 extern	int		meta_db_patch(char *sname, char *cname, int patch,
653 			    md_error_t *ep);
654 extern	int		meta_db_attach(mdsetname_t *sp, mdnamelist_t *db_nlp,
655 			    mdchkopts_t options, md_timeval32_t *timeval,
656 			    int dbcnt, int dbsize, char *sysfilename,
657 			    md_error_t *ep);
658 extern	int		meta_db_detach(mdsetname_t *sp, mdnamelist_t *db_nlp,
659 			    mdforceopts_t force, char *sysfilename,
660 			    md_error_t *ep);
661 extern	void		metafreereplicalist(md_replicalist_t *rlp);
662 extern	int		metareplicalist(mdsetname_t *sp, int flags,
663 			    md_replicalist_t **rlpp, md_error_t *ep);
664 extern	void		meta_sync_db_locations(mdsetname_t *sp,
665 			    md_error_t *ep);
666 extern	int		meta_setup_db_locations(md_error_t *ep);
667 extern	daddr_t		meta_db_minreplica(mdsetname_t *sp, md_error_t *ep);
668 extern	int		meta_get_replica_names(mdsetname_t *,
669 			    mdnamelist_t **, int options, md_error_t *);
670 extern	void		meta_mkdummymaster(mdsetname_t *sp, int fd,
671 			    daddr_t firstblk);
672 extern md_timeval32_t	meta_get_lb_inittime(mdsetname_t *sp, md_error_t *ep);
673 
674 /* meta_db_balance.c */
675 extern	int		meta_db_balance(mdsetname_t *sp, md_drive_desc *opdd,
676 			    md_drive_desc *curdd, daddr_t dbsize,
677 			    md_error_t *ep);
678 
679 /* metadevstamp.c */
680 extern 	int		getdevstamp(mddrivename_t *dnp, time_t *stamp,
681 			    md_error_t *ep);
682 extern 	int		setdevstamp(mddrivename_t *dnp, time_t *stamp,
683 			    md_error_t *ep);
684 
685 /* meta_error.c */
686 extern	int		metaioctl(int cmd, void *data, md_error_t *ep,
687 			    char *name);
688 extern	void		md_logpfx(FILE *fp);
689 /* PRINTFLIKE2 */
690 extern	char		*mde_sperror(md_error_t *mdep, const char *fmt, ...);
691 /* PRINTFLIKE2 */
692 extern	void		mde_perror(md_error_t *mdep, const char *fmt, ...);
693 /* PRINTFLIKE1 */
694 extern	void		md_perror(const char *fmt, ...);
695 /* PRINTFLIKE1 */
696 extern	void		md_eprintf(const char *fmt, ...);
697 extern	void		meta_mc_log(int level, const char *fmt, ...);
698 
699 /* meta_getdevs.c */
700 extern	minor_t		meta_getminor(md_dev64_t dev64);
701 extern	major_t		meta_getmajor(md_dev64_t dev64);
702 extern	md_dev64_t	meta_expldev(md_dev64_t dev);
703 extern	dev32_t		meta_cmpldev(md_dev64_t dev64);
704 
705 extern	int		meta_getdevs(mdsetname_t *sp, mdname_t *namep,
706 			    mdnamelist_t **nlpp, md_error_t *ep);
707 extern	int		meta_getalldevs(mdsetname_t *sp, mdnamelist_t **nlpp,
708 			    int check_db, md_error_t *ep);
709 extern	int		meta_getvtoc(int fd, char *devname,
710 			    struct vtoc *vtocbufp, int *partno,
711 			    md_error_t *ep);
712 extern	int		meta_setvtoc(int fd, char *devname,
713 			    struct vtoc *vtocbufp, md_error_t *ep);
714 extern	int		meta_setmdvtoc(int fd, char *devname,
715 			    mdvtoc_t *mdvtocbufp, md_error_t *ep);
716 extern	int		meta_get_names(char *drivername, mdsetname_t *sp,
717 			    mdnamelist_t **nlpp, mdprtopts_t options,
718 			    md_error_t *ep);
719 extern	int		meta_deviceid_to_nmlist(char *search_path,
720 			    ddi_devid_t devid, char *minor_name,
721 			    devid_nmlist_t **retlist);
722 
723 /* meta_hotspares.c */
724 extern	int		meta_get_hsp_names(mdsetname_t *sp,
725 			    mdhspnamelist_t **hspnlpp, int options,
726 			    md_error_t *ep);
727 extern	void		meta_free_hsp(md_hsp_t *hspp);
728 extern	void		meta_invalidate_hsp(mdhspname_t *hspnp);
729 extern	md_hsp_t	*meta_get_hsp(mdsetname_t *sp, mdhspname_t *hspnp,
730 			    md_error_t *ep);
731 extern	md_hsp_t	*meta_get_hsp_common(mdsetname_t *sp,
732 			    mdhspname_t *hspnp, int fast, md_error_t *ep);
733 extern	int		meta_check_inhsp(mdsetname_t *sp, mdname_t *np,
734 			    diskaddr_t slblk, diskaddr_t nblks, md_error_t *ep);
735 extern	int		meta_check_hotspare(mdsetname_t *sp, mdname_t *np,
736 			    md_error_t *ep);
737 extern	char		*hs_state_to_name(md_hs_t *hsp,
738 			    md_timeval32_t *tvp);
739 extern	int		meta_hsp_print(mdsetname_t *sp, mdhspname_t *hspnp,
740 			    mdnamelist_t **nlpp, char *fname, FILE *fp,
741 			    mdprtopts_t options, md_error_t *ep);
742 extern	int		metachkhsp(mdsetname_t *sp, mdhspname_t *hspnp,
743 			    md_error_t *ep);
744 extern	int		meta_hs_add(mdsetname_t *sp, mdhspname_t *hspnp,
745 			    mdnamelist_t *nlp, mdcmdopts_t options,
746 			    md_error_t *ep);
747 extern	int		meta_hs_delete(mdsetname_t *sp, mdhspname_t *hspnp,
748 			    mdnamelist_t *nlp, mdcmdopts_t options,
749 			    md_error_t *ep);
750 extern	int		meta_hs_replace(mdsetname_t *sp, mdhspname_t *hspnp,
751 			    mdname_t *oldnp, mdname_t *newnp,
752 			    mdcmdopts_t options, md_error_t *ep);
753 extern	int		meta_hs_enable(mdsetname_t *sp, mdnamelist_t *nlp,
754 			    mdcmdopts_t options, md_error_t *ep);
755 extern	int		meta_check_hsp(mdsetname_t *sp, md_hsp_t *hspp,
756 			    mdcmdopts_t options, md_error_t *ep);
757 extern	int		meta_create_hsp(mdsetname_t *sp, md_hsp_t *hspp,
758 			    mdcmdopts_t options, md_error_t *ep);
759 extern	int		meta_init_hsp(mdsetname_t **spp,
760 			    int argc, char *argv[], mdcmdopts_t options,
761 			    md_error_t *ep);
762 extern	int		meta_hsp_reset(mdsetname_t *sp, mdhspname_t *hspnp,
763 			    mdcmdopts_t options, md_error_t *ep);
764 
765 /* meta_init.c */
766 extern	int		parse_interlace(char *uname, char *name,
767 			    diskaddr_t *interlacep, md_error_t *ep);
768 extern	int		meta_cook_syntax(md_error_t *ep,
769 			    md_void_errno_t errcode, char *uname,
770 			    int argc, char *argv[]);
771 extern	int		meta_setup_geom(md_unit_t *md, mdname_t *np,
772 			    mdgeom_t *geomp, uint_t write_reinstruct,
773 			    uint_t read_reinstruct, uint_t round_cyl,
774 			    md_error_t *ep);
775 extern	int		meta_adjust_geom(md_unit_t *md, mdname_t *np,
776 			    uint_t write_reinstruct, uint_t read_reinstruct,
777 			    uint_t round_cyl, md_error_t *ep);
778 extern	int		meta_init_name(mdsetname_t **spp,
779 			    int argc, char *argv[], mdcmdopts_t options,
780 			    md_error_t *ep);
781 extern	int		meta_check_devicesize(diskaddr_t total_blocks);
782 extern	int		meta_init_make_device(mdsetname_t **spp, char *uname,
783 			    md_error_t *ep);
784 extern mdinittypes_t	meta_get_init_type(int argc, char *argv[]);
785 
786 /* meta_mdcf.c */
787 extern	int		meta_update_md_cf(mdsetname_t *sp, md_error_t *ep);
788 
789 /* meta_med.c */
790 extern	int		meddstealerror(md_error_t *ep, med_err_t *medep);
791 extern	int		clnt_med_null(char *hostname, md_error_t *ep);
792 extern	int		clnt_med_upd_data(md_h_t *mdhp, mdsetname_t *sp,
793 			    med_data_t *meddp, md_error_t *ep);
794 extern	int		clnt_med_get_data(md_h_t *mdhp, mdsetname_t *sp,
795 			    med_data_t *meddp, md_error_t *ep);
796 extern	int		clnt_med_get_rec(md_h_t *mdhp, mdsetname_t *sp,
797 			    med_rec_t *medrp, md_error_t *ep);
798 extern	int		clnt_med_upd_rec(md_h_t *mdhp, mdsetname_t *sp,
799 			    med_rec_t *medrp, md_error_t *ep);
800 extern	int		clnt_med_hostname(char *hostname, char **ret_hostname,
801 			    md_error_t *ep);
802 
803 extern	int		meta_med_hnm2ip(md_hi_arr_t *mp, md_error_t *ep);
804 extern	int		meta_h2hi(md_h_arr_t *mdhp, md_hi_arr_t *mdhip,
805 			    md_error_t *ep);
806 extern	int		meta_hi2h(md_hi_arr_t *mdhip, md_h_arr_t *mdhp,
807 			    md_error_t *ep);
808 extern	int		setup_med_cfg(mdsetname_t *sp, mddb_config_t *cp,
809 			    int force, md_error_t *ep);
810 
811 /* meta_mem.c */
812 #ifdef	_DEBUG_MALLOC_INC
813 extern	void		*_Malloc(char *file, int line, size_t s);
814 extern	void		*_Zalloc(char *file, int line, size_t s);
815 extern	void		*_Realloc(char *file, int line, void *p, size_t s);
816 extern	void		*_Calloc(char *file, int line, size_t n, size_t s);
817 extern	char		*_Strdup(char *file, int line, char *p);
818 extern	void		_Free(char *file, int line, void *p);
819 #define	Malloc(s)	_Malloc(__FILE__, __LINE__, (s))
820 #define	Zalloc(s)	_Zalloc(__FILE__, __LINE__, (s))
821 #define	Realloc(p, s)	_Realloc(__FILE__, __LINE__, (p), (s))
822 #define	Calloc(n, s)	_Calloc(__FILE__, __LINE__, (n), (s))
823 #define	Strdup(p)	_Strdup(__FILE__, __LINE__, (p))
824 #define	Free(p)		_Free(__FILE__, __LINE__, (p))
825 #else	/* ! _DEBUG_MALLOC_INC */
826 extern	void		*Malloc(size_t s);
827 extern	void		*Zalloc(size_t s);
828 extern	void		*Realloc(void *p, size_t s);
829 extern	void		*Calloc(size_t n, size_t s);
830 extern	char		*Strdup(char *p);
831 extern	void		Free(void *p);
832 #endif	/* ! _DEBUG_MALLOC_INC */
833 
834 /* meta_metad.c */
835 extern	int		clnt_adddrvs(char *hostname, mdsetname_t *sp,
836 			    md_drive_desc *dd, md_timeval32_t timestamp,
837 			    ulong_t genid, md_error_t *ep);
838 extern	int		clnt_addhosts(char *hostname, mdsetname_t *sp,
839 			    int node_c, char **node_v, md_error_t *ep);
840 extern	int		clnt_update_namespace(char *hostname, mdsetname_t *sp,
841 			    side_t side, mddrivename_t *dnp, char *newname,
842 			    md_error_t *ep);
843 extern	int		clnt_add_drv_sidenms(char *hostname, char *this_host,
844 			    mdsetname_t *sp, md_set_desc *sd, int node_c,
845 			    char **node_v, md_error_t *ep);
846 extern	int		clnt_createset(char *hostname, mdsetname_t *sp,
847 			    md_node_nm_arr_t nodes, md_timeval32_t timestamp,
848 			    ulong_t genid, md_error_t *ep);
849 extern	int		clnt_mncreateset(char *hostname, mdsetname_t *sp,
850 			    md_mnnode_desc *nodelist, md_timeval32_t timestamp,
851 			    ulong_t genid, md_node_nm_t master_nodenm,
852 			    int master_nodeid, md_error_t *ep);
853 extern	int		clnt_joinset(char *hostname, mdsetname_t *sp,
854 			    int flags, md_error_t *ep);
855 extern	int		clnt_withdrawset(char *hostname, mdsetname_t *sp,
856 			    md_error_t *ep);
857 extern	int		clnt_deldrvs_by_devid(char *hostname, mdsetname_t *sp,
858 			    md_drive_desc *dd, md_error_t *ep);
859 extern	int		clnt_deldrvs(char *hostname, mdsetname_t *sp,
860 			    md_drive_desc *dd, md_error_t *ep);
861 extern	int		clnt_delhosts(char *hostname, mdsetname_t *sp,
862 			    int node_c, char **node_v, md_error_t *ep);
863 extern	int		clnt_delset(char *hostname, mdsetname_t *sp,
864 			    md_error_t *ep);
865 extern	int		clnt_del_drv_sidenms(char *hostname, mdsetname_t *sp,
866 			    md_error_t *ep);
867 extern	int		clnt_devinfo(char *hostname, mdsetname_t *sp,
868 			    mddrivename_t *dp, md_dev64_t *ret_dev,
869 			    time_t *ret_timestamp, md_error_t *ep);
870 extern	int		clnt_devid(char *hostname, mdsetname_t *sp,
871 			    mddrivename_t *dp, char **ret_encdevid,
872 			    md_error_t *ep);
873 extern	int		clnt_devinfo_by_devid(char *hostname, mdsetname_t *sp,
874 			    char *devidstr, md_dev64_t *retdev,
875 			    char *orig_devname, char **ret_devname,
876 			    char **ret_driver, md_error_t *ep);
877 extern	int		clnt_drvused(char *hostname, mdsetname_t *sp,
878 			    mddrivename_t *dp, md_error_t *ep);
879 extern	void		free_sr(md_set_record *sr);
880 extern	int		clnt_getset(char *hostname, char *setname, set_t setno,
881 			    md_set_record **sr, md_error_t *ep);
882 extern	int		clnt_mngetset(char *hostname, char *setname,
883 			    set_t setno, md_mnset_record **mnsr,
884 			    md_error_t *ep);
885 extern	int		clnt_hostname(char *hostname, char **ret_hostname,
886 			    md_error_t *ep);
887 extern	int		clnt_nullproc(char *hostname, md_error_t *ep);
888 extern	int		clnt_ownset(char *hostname, mdsetname_t *sp,
889 			    int *ret_bool, md_error_t *ep);
890 extern	int		clnt_setnameok(char *hostname, mdsetname_t *sp,
891 			    int *ret_bool, md_error_t *ep);
892 extern	int		clnt_setnumbusy(char *hostname, set_t setno,
893 			    int *ret_bool, md_error_t *ep);
894 extern	int		clnt_upd_dr_dbinfo(char *hostname, mdsetname_t *sp,
895 			    md_drive_desc *dd, md_error_t *ep);
896 extern	int		clnt_stimeout(char *hostname, mdsetname_t *sp,
897 			    mhd_mhiargs_t *mhiargsp, md_error_t *ep);
898 extern	int		clnt_gtimeout(char *hostname, mdsetname_t *sp,
899 			    mhd_mhiargs_t *ret_mhiargs, md_error_t *ep);
900 extern	int		clnt_upd_dr_flags(char *hostname, mdsetname_t *sp,
901 			    md_drive_desc *dd, uint_t new_flags,
902 			    md_error_t *ep);
903 extern	int		clnt_enable_sr_flags(char *hostname, mdsetname_t *sp,
904 			    uint_t new_flags, md_error_t *ep);
905 extern	int		clnt_disable_sr_flags(char *hostname, mdsetname_t *sp,
906 			    uint_t new_flags, md_error_t *ep);
907 extern	int		clnt_upd_sr_flags(char *hostname, mdsetname_t *sp,
908 			    uint_t new_flags, md_error_t *ep);
909 extern	int		clnt_upd_nr_flags(char *hostname, mdsetname_t *sp,
910 			    md_mnnode_desc *nd, uint_t flag_action,
911 			    uint_t flags, md_error_t *ep);
912 extern	int		clnt_unlock_set(char *hostname, md_setkey_t *cl_sk,
913 			    md_error_t *ep);
914 extern	int		clnt_lock_set(char *hostname, mdsetname_t *sp,
915 			    md_error_t *ep);
916 extern	int		clnt_updmeds(char *hostname, mdsetname_t *sp,
917 			    md_h_arr_t *meddp, md_error_t *ep);
918 extern  int		clnt_resnarf_set(char *hostname, set_t setno,
919 			    md_error_t *ep);
920 extern	md_setkey_t	*cl_get_setkey(set_t setno, char *setname);
921 extern	void		cl_set_setkey(md_setkey_t *cl_sk);
922 extern	void		meta_conv_drvname_new2old(o_mddrivename_t *,
923 			    mddrivename_t *);
924 extern	void		meta_conv_drvname_old2new(o_mddrivename_t *,
925 			    mddrivename_t *);
926 extern	void		meta_conv_drvdesc_new2old(o_md_drive_desc *,
927 			    md_drive_desc *);
928 extern	void		meta_conv_drvdesc_old2new(o_md_drive_desc *,
929 			    md_drive_desc *);
930 extern  void 		alloc_olddrvdesc(o_md_drive_desc **, md_drive_desc *);
931 extern  void 		alloc_newdrvdesc(o_md_drive_desc *, md_drive_desc **);
932 extern  void		free_olddrvdesc(o_md_drive_desc *);
933 extern  void		free_newdrvdesc(md_drive_desc *);
934 extern	char		*meta_get_devid(char *);
935 extern	int		clnt_mnsetmaster(char *hostname, mdsetname_t *sp,
936 			    md_node_nm_t master_nodenm, int master_nodeid,
937 			    md_error_t *ep);
938 extern	int		clnt_clr_mnsetlock(char *hostname, md_error_t *ep);
939 extern	int		clnt_mdcommdctl(char *hostname, int flag_action,
940 			    mdsetname_t *sp, md_mn_msgclass_t class,
941 			    uint_t flags, md_error_t *ep);
942 extern	int		clnt_mn_is_stale(char *hostname, mdsetname_t *sp,
943 			    int *ret_bool, md_error_t *ep);
944 extern	int		clnt_getdrivedesc(char *hostname, mdsetname_t *sp,
945 			    md_drive_desc **dd, md_error_t *ep);
946 extern	void		free_rem_dd(md_drive_desc *dd);
947 extern	int		clnt_upd_dr_reconfig(char *hostname, mdsetname_t *sp,
948 			    md_drive_desc *dd, md_error_t *ep);
949 extern	int		clnt_reset_mirror_owner(char *hostname, mdsetname_t *sp,
950 			    int node_c, int *node_id, md_error_t *ep);
951 extern	int		clnt_mn_susp_res_io(char *hostname, set_t setno,
952 			    int flag, md_error_t *ep);
953 extern	int		clnt_mn_mirror_resync_all(char *hostname, set_t setno,
954 			    md_error_t *ep);
955 extern	int		clnt_mn_sp_update_abr(char *hostname, set_t setno,
956 			    md_error_t *ep);
957 
958 /* meta_metad_subr.c */
959 extern	mddb_userreq_t	*get_db_rec(md_ur_get_cmd_t cmd, set_t setno,
960 			    mddb_type_t type, uint_t type2, mddb_recid_t *idp,
961 			    md_error_t *ep);
962 extern	void		*get_ur_rec(set_t setno, md_ur_get_cmd_t cmd,
963 			    uint_t type2, mddb_recid_t *idp, md_error_t *ep);
964 extern	void		sr_validate(void);
965 extern	void		sr_del_drv(md_set_record *sr, mddb_recid_t recid);
966 extern	int		set_snarf(md_error_t *ep);
967 extern	void		sr_cache_add(md_set_record *sr);
968 extern	void		sr_cache_del(mddb_recid_t recid);
969 extern	void		dr_cache_add(md_set_record *sr, md_drive_record *dr);
970 extern	void		dr_cache_del(md_set_record *sr, mddb_recid_t recid);
971 extern	void		mnnr_cache_add(md_mnset_record *sr,
972 			    md_mnnode_record *nr);
973 extern	void		mnnr_cache_del(md_mnset_record *sr, mddb_recid_t recid);
974 extern	int		metad_isautotakebyname(char *setname);
975 extern	int		metad_isautotakebynum(set_t setno);
976 extern	md_set_record	*metad_getsetbyname(char *setname, md_error_t *ep);
977 extern	md_set_record	*metad_getsetbynum(set_t setno, md_error_t *ep);
978 extern	void		commitset(md_set_record *sr, int inc_genid,
979 			    md_error_t *ep);
980 extern	md_set_record	*setdup(md_set_record *sr);
981 extern	md_mnset_record	*mnsetdup(md_mnset_record *mnsr);
982 extern	md_drive_record	*drdup(md_drive_record *dr);
983 extern	md_mnnode_record *nrdup(md_mnnode_record *nr);
984 extern	md_drive_desc	*dd_list_dup(md_drive_desc *dd);
985 extern	void		sr_cache_flush(int flushnames);
986 extern	void		sr_cache_flush_setno(set_t setno);
987 extern	void		s_delset(char *setname, md_error_t *ep);
988 extern	void		s_delrec(mddb_recid_t recid, md_error_t *ep);
989 extern	int		s_ownset(set_t setno, md_error_t *ep);
990 extern	int		resnarf_set(set_t setno, md_error_t *ep);
991 
992 /* meta_mh.c */
993 extern	mhd_mhiargs_t	defmhiargs;
994 extern	int		meta_take_own(char *sname, mddrivenamelist_t *dnlp,
995 			    mhd_mhiargs_t *mhiargsp, int partial_set,
996 			    md_error_t *ep);
997 extern	int		tk_own_bydd(mdsetname_t *sp, md_drive_desc *dd,
998 			    mhd_mhiargs_t *mhiargsp, int partial_set,
999 			    md_error_t *ep);
1000 extern	int		meta_rel_own(char *sname, mddrivenamelist_t *dnlp,
1001 			    int partial_set, md_error_t *ep);
1002 extern	int		rel_own_bydd(mdsetname_t *sp, md_drive_desc *dd,
1003 			    int partial_set, md_error_t *ep);
1004 extern	int		meta_status_own(char *sname,
1005 			    md_disk_status_list_t *dslp, int partial_set,
1006 			    md_error_t *ep);
1007 extern	md_disk_status_list_t *meta_drive_to_disk_status_list(
1008 			    mddrivenamelist_t *dnlp);
1009 extern	void		meta_free_disk_status_list(md_disk_status_list_t *dslp);
1010 extern	void		meta_free_drive_info_list(mhd_drive_info_list_t *listp);
1011 extern	int		meta_list_drives(char *hostname, char *path,
1012 			    mhd_did_flags_t flags,
1013 			    mhd_drive_info_list_t *listp, md_error_t *ep);
1014 extern	int		meta_get_drive_names(mdsetname_t *sp,
1015 			    mddrivenamelist_t **dnlpp, int options,
1016 			    md_error_t *ep);
1017 
1018 /* meta_mirror.c */
1019 extern	int		meta_get_mirror_names(mdsetname_t *sp,
1020 			    mdnamelist_t **nlpp, int options, md_error_t *ep);
1021 extern	void		meta_free_mirror(md_mirror_t *mirrorp);
1022 extern	md_mirror_t	*meta_get_mirror(mdsetname_t *sp, mdname_t *mirnp,
1023 			    md_error_t *ep);
1024 extern	int		meta_check_inmirror(mdsetname_t *sp, mdname_t *np,
1025 			    diskaddr_t slblk, diskaddr_t nblks, md_error_t *ep);
1026 extern	int		meta_check_submirror(mdsetname_t *sp, mdname_t *np,
1027 			    mdname_t *mirnp, int force, md_error_t *ep);
1028 extern	char		*rd_opt_to_name(mm_rd_opt_t opt);
1029 extern	int		name_to_rd_opt(char *uname, char *name,
1030 			    mm_rd_opt_t *optp, md_error_t *ep);
1031 extern	char		*wr_opt_to_name(mm_wr_opt_t opt);
1032 extern	int		name_to_wr_opt(char *uname, char *name,
1033 			    mm_wr_opt_t *optp, md_error_t *ep);
1034 extern	int		name_to_pass_num(char *uname, char *name,
1035 			    mm_pass_num_t *passp, md_error_t *ep);
1036 extern	char		*sm_state_to_name(md_submirror_t *mdsp,
1037 			    md_status_t mirror_status, md_timeval32_t *tvp,
1038 			    uint_t tstate);
1039 extern	int		sm_state_to_action(mdsetname_t *sp,
1040 			    md_submirror_t *mdsp, md_status_t mirror_status,
1041 			    md_mirror_t *mirrorp, char **actionp,
1042 			    md_error_t *ep);
1043 extern	int		meta_print_mirror_options(mm_rd_opt_t read_options,
1044 			    mm_wr_opt_t write_option, mm_pass_num_t pass_num,
1045 			    uint_t tstate, char *fname,
1046 			    mdsetname_t *sp, FILE *fp, md_error_t *ep);
1047 extern	int		meta_mirror_print(mdsetname_t *sp, mdname_t *mirnp,
1048 			    mdnamelist_t **nlpp, char *fname, FILE *fp,
1049 			    mdprtopts_t options, md_error_t *ep);
1050 extern	int		meta_mirror_online(mdsetname_t *sp, mdname_t *mirnp,
1051 			    mdname_t *submirnp, mdcmdopts_t options,
1052 			    md_error_t *ep);
1053 extern	int		meta_mirror_offline(mdsetname_t *sp, mdname_t *mirnp,
1054 			    mdname_t *submirnp, mdcmdopts_t options,
1055 			    md_error_t *ep);
1056 extern	int		meta_mirror_attach(mdsetname_t *sp, mdname_t *mirnp,
1057 			    mdname_t *submirnp, mdcmdopts_t options,
1058 			    md_error_t *ep);
1059 extern	int		meta_mirror_detach(mdsetname_t *sp, mdname_t *mirnp,
1060 			    mdname_t *submirnp, mdcmdopts_t options,
1061 			    md_error_t *ep);
1062 extern	int		meta_mirror_get_params(mdsetname_t *sp,
1063 			    mdname_t *mirnp, mm_params_t *paramsp,
1064 			    md_error_t *ep);
1065 extern	int		meta_mirror_set_params(mdsetname_t *sp,
1066 			    mdname_t *mirnp, mm_params_t *paramsp,
1067 			    md_error_t *ep);
1068 extern	int		meta_mirror_replace(mdsetname_t *sp, mdname_t *mirnp,
1069 			    mdname_t *oldnp, mdname_t *newnp,
1070 			    mdcmdopts_t options, md_error_t *ep);
1071 extern	int		meta_mirror_enable(mdsetname_t *sp, mdname_t *mirnp,
1072 			    mdname_t *compnp, mdcmdopts_t options,
1073 			    md_error_t *ep);
1074 extern	int		meta_check_mirror(mdsetname_t *sp,
1075 			    md_mirror_t *mirrorp, mdcmdopts_t options,
1076 			    md_error_t *ep);
1077 extern	int		meta_create_mirror(mdsetname_t *sp,
1078 			    md_mirror_t *mirrorp, mdcmdopts_t options,
1079 			    md_error_t *ep);
1080 extern	int		meta_init_mirror(mdsetname_t **spp,
1081 			    int argc, char *argv[], mdcmdopts_t options,
1082 			    md_error_t *ep);
1083 extern	int		meta_mirror_reset(mdsetname_t *sp, mdname_t *mirnp,
1084 			    mdcmdopts_t options, md_error_t *ep);
1085 extern	int		meta_mirror_anycomp_is_err(mdsetname_t *,
1086 			    mdnamelist_t *);
1087 
1088 /* meta_mirror_resync.c */
1089 extern	int		meta_mirror_resync(mdsetname_t *sp, mdname_t *mirnp,
1090 			    daddr_t size, md_error_t *ep, md_resync_cmd_t cmd);
1091 extern	int		meta_mirror_resync_all(mdsetname_t *sp, daddr_t size,
1092 			    md_error_t *ep);
1093 extern	void		*meta_mn_mirror_resync_all(void *arg);
1094 extern	void		meta_mirror_resync_kill_all(void);
1095 extern	void		meta_mirror_resync_block_all(void);
1096 extern	void		meta_mirror_resync_unblock_all(void);
1097 extern	void		meta_mirror_resync_unblock(mdsetname_t *sp);
1098 extern	void		meta_mirror_resync_kill(mdsetname_t *sp);
1099 
1100 /* meta_mount.c */
1101 extern	char		*meta_get_mountp(mdsetname_t *, mdname_t *,
1102 			    md_error_t *);
1103 
1104 /* meta_name.c */
1105 extern  char		*meta_name_getname(mdsetname_t **spp, char *uname,
1106 			    md_error_t *ep);
1107 extern	char		*meta_canonicalize(mdsetname_t *sp, char *uname);
1108 extern	int		is_metaname(char *uname);
1109 extern	int		is_hspname(char *uname);
1110 extern	int		parse_ctd(char *uname, uint_t *slice);
1111 extern	md_set_desc	*sr2setdesc(md_set_record *sr);
1112 extern	mdsetname_t	*metasetname(char *sname, md_error_t *ep);
1113 extern	mdsetname_t	*metasetnosetname(set_t setno, md_error_t *ep);
1114 extern	mdsetname_t	*metafakesetname(set_t setno, char *sname);
1115 extern	md_set_desc	*metaget_setdesc(mdsetname_t *sp, md_error_t *ep);
1116 extern	void		metaflushsetname(mdsetname_t *sp);
1117 extern	int		metaislocalset(mdsetname_t *sp);
1118 extern	int		metaissameset(mdsetname_t *sp1, mdsetname_t *sp2);
1119 extern	void		metaflushsidenames(mddrivename_t *dnp);
1120 extern	char		*metadiskname(char *name);
1121 extern	mddrivename_t	*metadrivename(mdsetname_t **spp, char *uname,
1122 			    md_error_t *ep);
1123 extern	mdname_t	*metaslicename(mddrivename_t *dnp, uint_t sliceno,
1124 			    md_error_t *ep);
1125 extern	void		metafreedrivename(mddrivename_t *dnp);
1126 extern	void		metafreedrivenamelist(mddrivenamelist_t *dnlp);
1127 extern	int		metadrivenamelist(mdsetname_t **spp,
1128 			    mddrivenamelist_t **dnlpp,
1129 			    int argc, char *argv[], md_error_t *ep);
1130 extern	mddrivename_t	*metadrivenamelist_append(mddrivenamelist_t **dnlpp,
1131 			    mddrivename_t *dnp);
1132 extern  mddrivenamelist_t	**meta_drivenamelist_append_wrapper(
1133 				    mddrivenamelist_t **dnlpp,
1134 				    mddrivename_t *dnp);
1135 extern	int		meta_getdev(mdsetname_t *sp, mdname_t *np,
1136 			    md_error_t *ep);
1137 extern	mdname_t	*metaname_fast(mdsetname_t **spp, char *uname,
1138 			    md_error_t *ep);
1139 extern	mdname_t	*metaname(mdsetname_t **spp, char *uname,
1140 			    md_error_t *ep);
1141 extern	mdname_t	*metamnumname(mdsetname_t **spp, minor_t mnum,
1142 			    int fast, md_error_t *ep);
1143 extern	char		*get_mdname(minor_t mnum);
1144 extern	int		metaismeta(mdname_t *np);
1145 extern	int		metachkmeta(mdname_t *np, md_error_t *ep);
1146 extern	int		metachkdisk(mdname_t *np, md_error_t *ep);
1147 extern	int		metachkcomp(mdname_t *np, md_error_t *ep);
1148 extern	void		metafreenamelist(mdnamelist_t *nlp);
1149 extern	int		metanamelist(mdsetname_t **spp, mdnamelist_t **nlpp,
1150 			    int argc, char *argv[], md_error_t *ep);
1151 extern	mdname_t	*metanamelist_append(mdnamelist_t **nlpp,
1152 			    mdname_t *np);
1153 extern  mdnamelist_t	**meta_namelist_append_wrapper(mdnamelist_t **nlpp,
1154 			    mdname_t *np);
1155 extern	mdhspname_t	*metahspname(mdsetname_t **spp,
1156 			    char *uname, md_error_t *ep);
1157 extern	mdhspname_t	*metahsphspname(mdsetname_t **spp,
1158 			    hsp_t hsp, md_error_t *ep);
1159 extern	char		*get_hspname(hsp_t mnum);
1160 extern	void		metafreehspnamelist(mdhspnamelist_t *hspnlp);
1161 extern	int		metahspnamelist(mdsetname_t **spp,
1162 			    mdhspnamelist_t **hspnlpp,
1163 			    int argc, char *argv[], md_error_t *ep);
1164 extern	mdhspname_t	*metahspnamelist_append(mdhspnamelist_t **hspnlp,
1165 			    mdhspname_t *hspnp);
1166 extern	mdname_t	*metadevname(mdsetname_t **spp,
1167 			    md_dev64_t dev, md_error_t *ep);
1168 extern	char		*get_devname(set_t setno, md_dev64_t dev);
1169 extern	mdname_t	*metakeyname(mdsetname_t **spp,
1170 			    mdkey_t key, int fast, md_error_t *ep);
1171 extern	void		metaflushnames(int flush_sr_cache);
1172 extern	int		meta_get_hotspare_names(mdsetname_t *sp,
1173 			    mdnamelist_t **nlpp, int options, md_error_t *ep);
1174 extern	void		meta_create_non_dup_list(mdname_t *mdnp,
1175 			    mddevid_t **ldevidpp);
1176 
1177 /* meta_nameinfo.c */
1178 extern	mdsetname_t	*metagetset(mdname_t *np, int bypass_daemon,
1179 			    md_error_t *ep);
1180 extern	void		metafreevtoc(mdvtoc_t *vtocp);
1181 extern	int		meta_match_enclosure(mdname_t *, mdcinfo_t *,
1182 			    md_error_t *);
1183 extern	mdvtoc_t	*metagetvtoc(mdname_t *np, int nocache, uint_t *partnop,
1184 			    md_error_t *ep);
1185 extern	int		metasetvtoc(mdname_t *np, md_error_t *ep);
1186 extern	void		metaflushctlrcache(void);
1187 extern	mdgeom_t	*metagetgeom(mdname_t *np, md_error_t *ep);
1188 extern	mdcinfo_t	*metagetcinfo(mdname_t *np, md_error_t *ep);
1189 extern	int		metagetpartno(mdname_t *np, md_error_t *ep);
1190 extern	diskaddr_t	metagetsize(mdname_t *np, md_error_t *ep);
1191 extern	diskaddr_t	metagetlabel(mdname_t *np, md_error_t *ep);
1192 extern	diskaddr_t	metagetstart(mdsetname_t *sp, mdname_t *np,
1193 			    md_error_t *ep);
1194 extern	int		metahasmddb(mdsetname_t *sp, mdname_t *np,
1195 			    md_error_t *ep);
1196 extern	char		*metagetdevicesname(mdname_t *np, md_error_t *ep);
1197 extern	char		*metagetmiscname(mdname_t *np, md_error_t *ep);
1198 extern	md_unit_t	*meta_get_mdunit(mdsetname_t *sp, mdname_t *np,
1199 			    md_error_t *ep);
1200 extern	void		meta_free_unit(mddrivename_t *dnp);
1201 extern	void		meta_invalidate_name(mdname_t *np);
1202 extern	md_common_t	*meta_get_unit(mdsetname_t *sp, mdname_t *np,
1203 			    md_error_t *ep);
1204 extern	int		meta_isopen(mdsetname_t *sp, mdname_t *np,
1205 			    md_error_t *ep, mdcmdopts_t options);
1206 
1207 /* meta_namespace.c */
1208 extern	char		*meta_getnmbykey(set_t setno, side_t sideno,
1209 			    mdkey_t key, md_error_t *ep);
1210 extern	char		*meta_getnmentbykey(set_t setno, side_t sideno,
1211 			    mdkey_t key, char **drvnm, minor_t *mnum,
1212 			    md_dev64_t *dev, md_error_t *ep);
1213 extern	char		*meta_getnmentbydev(set_t setno, side_t sideno,
1214 			    md_dev64_t dev, char **drvnm, minor_t *mnum,
1215 			    mdkey_t *key, md_error_t *ep);
1216 extern	char		*meta_getdidminorbykey(set_t setno, side_t sideno,
1217 			    mdkey_t key, md_error_t *ep);
1218 extern	ddi_devid_t	meta_getdidbykey(set_t setno, side_t sideno,
1219 			    mdkey_t key, md_error_t *ep);
1220 extern	int		meta_setdid(set_t setno, side_t sideno, mdkey_t key,
1221 			    md_error_t *ep);
1222 extern	int		add_name(mdsetname_t *sp, side_t sideno, mdkey_t key,
1223 			    char *dname, minor_t mnum, char *bname,
1224 			    md_error_t *ep);
1225 extern	int		del_name(mdsetname_t *sp, side_t sideno, mdkey_t key,
1226 			    md_error_t *ep);
1227 extern	int		add_key_name(mdsetname_t *sp, mdname_t *np,
1228 			    mdnamelist_t **nlpp, md_error_t *ep);
1229 extern	int		del_key_name(mdsetname_t *sp, mdname_t *np,
1230 			    md_error_t *ep);
1231 extern	int		del_key_names(mdsetname_t *sp, mdnamelist_t *nlp,
1232 			    md_error_t *ep);
1233 
1234 /* meta_patch.c */
1235 extern	int		meta_patch_vfstab(char *cmpname, mdname_t *fsnp,
1236 			    char *vname, char *old_bdevname, int doit,
1237 			    int verbose, char **tname, md_error_t *ep);
1238 extern	int		meta_patch_fsdev(char *fsname, mdname_t *fsnp,
1239 			    char *vname, md_error_t *ep);
1240 extern	int		meta_patch_swapdev(mdname_t *fsnp,
1241 			    char *vname, char *old_bdevname, md_error_t *ep);
1242 extern	int		meta_patch_mddb(char *sname, char *cname, int patch,
1243 			    md_error_t *ep);
1244 
1245 /* meta_patch_root.c */
1246 extern	int		meta_patch_rootdev(mdname_t *np, char *sname,
1247 			    char *vname, char *cname, char *dbname, int doit,
1248 			    int verbose, md_error_t *ep);
1249 
1250 /* meta_print.c */
1251 extern	int		meta_print_name(mdsetname_t *sp, mdname_t *namep,
1252 			    mdnamelist_t **nlpp, char *fname, FILE *fp,
1253 			    mdprtopts_t options, mdnamelist_t **lognlpp,
1254 			    md_error_t *ep);
1255 extern	int		meta_print_all(mdsetname_t *sp, char *fname,
1256 			    mdnamelist_t **nlpp, FILE *fp,
1257 			    mdprtopts_t options, int *meta_print_trans_msgp,
1258 			    md_error_t *ep);
1259 extern	char		*meta_print_time(md_timeval32_t *timep);
1260 extern	char		*meta_print_hrtime(hrtime_t secs);
1261 extern	int		meta_prbits(FILE *fp, const char *fmt, ...);
1262 extern	char 		*meta_number_to_string(diskaddr_t number,
1263 			    u_longlong_t blk_sz);
1264 extern	int		meta_get_tstate(md_dev64_t dev64, uint_t *tstatep,
1265 			    md_error_t *ep);
1266 extern	int		meta_print_devid(mdsetname_t *sp, FILE *fp,
1267 			    mddevid_t *mddevidp, md_error_t *ep);
1268 
1269 /* meta_raid.c */
1270 extern	int		meta_get_raid_names(mdsetname_t *sp,
1271 			    mdnamelist_t **nlpp, int options, md_error_t *ep);
1272 extern	void		meta_free_raid(md_raid_t *raidp);
1273 extern	md_raid_t	*meta_get_raid_common(mdsetname_t *sp, mdname_t *raidnp,
1274 			    int fast, md_error_t *ep);
1275 extern	md_raid_t	*meta_get_raid(mdsetname_t *sp, mdname_t *raidnp,
1276 			    md_error_t *ep);
1277 extern	int		meta_check_inraid(mdsetname_t *sp, mdname_t *np,
1278 			    diskaddr_t slblk, diskaddr_t nblks, md_error_t *ep);
1279 extern	int		meta_check_column(mdsetname_t *sp, mdname_t *np,
1280 			    md_error_t *ep);
1281 extern	char		*raid_state_to_name(md_raid_t *raidp,
1282 			    md_timeval32_t *tvp, uint_t tstate);
1283 extern	char		*raid_state_to_action(md_raid_t *raidp);
1284 extern	char		*raid_col_state_to_name(md_raidcol_t *colp,
1285 			    md_timeval32_t *tvp, uint_t tstate);
1286 extern	int		meta_print_raid_options(mdhspname_t *hspnamep,
1287 			    char *fname, FILE *fp, md_error_t *ep);
1288 extern	int		meta_raid_print(mdsetname_t *sp, mdname_t *raidnp,
1289 			    mdnamelist_t **nlpp, char *fname, FILE *fp,
1290 			    mdprtopts_t options, md_error_t *ep);
1291 extern	int		meta_raid_attach(mdsetname_t *sp, mdname_t *raidnp,
1292 			    mdnamelist_t *nlp, mdcmdopts_t options,
1293 			    md_error_t *ep);
1294 extern	int		meta_raid_get_params(mdsetname_t *sp, mdname_t *raidnp,
1295 			    mr_params_t *paramsp, md_error_t *ep);
1296 extern	int		meta_raid_set_params(mdsetname_t *sp, mdname_t *raidnp,
1297 			    mr_params_t *paramsp, md_error_t *ep);
1298 extern	int		meta_raid_replace(mdsetname_t *sp, mdname_t *raidnp,
1299 			    mdname_t *oldnp, mdname_t *newnp,
1300 			    mdcmdopts_t options, md_error_t *ep);
1301 extern	int		meta_raid_enable(mdsetname_t *sp, mdname_t *raidnp,
1302 			    mdname_t *compnp, mdcmdopts_t options,
1303 			    md_error_t *ep);
1304 extern	diskaddr_t		meta_default_raid_interlace(void);
1305 extern	int		meta_raid_check_interlace(diskaddr_t interlace,
1306 			    char *uname, md_error_t *ep);
1307 extern	int		meta_check_raid(mdsetname_t *sp, md_raid_t *raidp,
1308 			    mdcmdopts_t options, md_error_t *ep);
1309 extern	int		meta_create_raid(mdsetname_t *sp, md_raid_t *raidp,
1310 			    mdcmdopts_t options, md_error_t *ep);
1311 extern	int		meta_init_raid(mdsetname_t **spp,
1312 			    int argc, char *argv[], mdcmdopts_t options,
1313 			    md_error_t *ep);
1314 extern	int		meta_raid_reset(mdsetname_t *sp, mdname_t *np,
1315 			    mdcmdopts_t options, md_error_t *ep);
1316 extern	int		meta_raid_anycomp_is_err(mdsetname_t *, mdnamelist_t *);
1317 
1318 /* meta_raid_resync.c */
1319 extern	int		meta_raid_resync(mdsetname_t *sp, mdname_t *raidnp,
1320 			    daddr_t size, md_error_t *ep);
1321 extern	int		meta_raid_resync_all(mdsetname_t *sp, daddr_t size,
1322 			    md_error_t *ep);
1323 
1324 extern	int		meta_raid_regen_byname(mdsetname_t *sp,
1325 			    mdname_t *raidnp, diskaddr_t size, md_error_t *ep);
1326 
1327 /* meta_repartition.c */
1328 extern	int		meta_replicaslice(mddrivename_t *dnp,
1329 			    uint_t *slicep, md_error_t *ep);
1330 
1331 /* meta_replace.c */
1332 extern	int		meta_replace(mdsetname_t *sp, mdname_t *metanp,
1333 			    mdname_t *oldnp,
1334 			    mdname_t *newnp, char *uname, mdcmdopts_t options,
1335 			    md_error_t *ep);
1336 extern	int		meta_replace_byname(mdsetname_t *sp, mdname_t *namep,
1337 			    mdname_t *oldnp, mdname_t *newnp,
1338 			    mdcmdopts_t options, md_error_t *ep);
1339 extern	int		meta_enable_byname(mdsetname_t *sp, mdname_t *namep,
1340 			    mdname_t *compnp, mdcmdopts_t options,
1341 			    md_error_t *ep);
1342 
1343 /* meta_reset.c */
1344 extern	int		meta_reset(mdsetname_t *sp, mdname_t *np,
1345 			    mdcmdopts_t options, md_error_t *ep);
1346 extern	int		meta_reset_all(mdsetname_t *sp, mdcmdopts_t options,
1347 			    md_error_t *ep);
1348 extern	int		meta_reset_by_name(mdsetname_t *sp, mdname_t *np,
1349 			    mdcmdopts_t options, md_error_t *ep);
1350 
1351 /* meta_resync.c */
1352 extern	int		meta_resync_byname(mdsetname_t *sp, mdname_t *np,
1353 			    daddr_t size, md_error_t *ep, md_resync_cmd_t cmd);
1354 extern	int		meta_resync_all(mdsetname_t *sp, daddr_t size,
1355 			    md_error_t *ep);
1356 
1357 /* meta_set.c */
1358 extern	set_t		get_max_sets(md_error_t *ep);
1359 extern	int		get_max_meds(md_error_t *ep);
1360 extern	side_t		getmyside(mdsetname_t *sp, md_error_t *ep);
1361 extern	md_set_record	*getsetbyname(char *setname, md_error_t *ep);
1362 extern	md_set_record	*getsetbynum(set_t setno, md_error_t *ep);
1363 extern	int		meta_check_drive_inuse(mdsetname_t *sp,
1364 			    mddrivename_t *dnp, int check_db, md_error_t *ep);
1365 extern	int		meta_check_ownership(mdsetname_t *sp, md_error_t *ep);
1366 extern	int		meta_check_ownership_on_host(mdsetname_t *sp,
1367 			    char *hostname, md_error_t *ep);
1368 extern	int		meta_is_member(char *node_name, md_mn_nodeid_t node_id,
1369 			    mndiskset_membershiplist_t *nl);
1370 extern	int		meta_getnextside_devinfo(mdsetname_t *sp, char *bname,
1371 			    side_t *sideno, char **ret_bname, char **ret_dname,
1372 			    minor_t *ret_mnum, md_error_t *ep);
1373 extern	int		meta_getside_devinfo(mdsetname_t *sp, char *bname,
1374 			    side_t sideno, char **ret_bname, char **ret_dname,
1375 			    minor_t *ret_mnum, md_error_t *ep);
1376 extern	int		meta_is_drive_in_anyset(mddrivename_t *dnp,
1377 			    mdsetname_t **spp, int bypass_daemon,
1378 			    md_error_t *ep);
1379 extern	int		meta_is_drive_in_thisset(mdsetname_t *sp,
1380 			    mddrivename_t *dnp, int bypass_daemon,
1381 			    md_error_t *ep);
1382 extern	int		meta_set_balance(mdsetname_t *sp, md_error_t *ep);
1383 extern	int		meta_set_destroy(mdsetname_t *sp, int lock_set,
1384 			    md_error_t *ep);
1385 extern	int		meta_set_purge(mdsetname_t *sp, int bypass_cluster,
1386 			    int forceflg, md_error_t *ep);
1387 extern	int		meta_set_query(mdsetname_t *sp, mddb_dtag_lst_t **dtlpp,
1388 			    md_error_t *ep);
1389 extern	mddrivename_t	*metadrivename_withdrkey(mdsetname_t *sp,
1390 			    side_t sideno, mdkey_t key, int flags,
1391 			    md_error_t *ep);
1392 extern	void		metafreedrivedesc(md_drive_desc **dd);
1393 extern	md_drive_desc	*metaget_drivedesc(mdsetname_t *sp, int flags,
1394 			    md_error_t *ep);
1395 extern	md_drive_desc	*metaget_drivedesc_fromnamelist(mdsetname_t *sp,
1396 			    mdnamelist_t *nlp, md_error_t *ep);
1397 extern	md_drive_desc	*metaget_drivedesc_sideno(mdsetname_t *sp,
1398 			    side_t sideno, int flags, md_error_t *ep);
1399 extern	int		metaget_setownership(mdsetname_t *sp, md_error_t *ep);
1400 extern	char		*mynode(void);
1401 extern	int		strinlst(char *str, int cnt, char **lst);
1402 extern	int		meta_get_reserved_names(mdsetname_t *sp,
1403 			    mdnamelist_t **nlpp, int options, md_error_t *ep);
1404 extern	int		meta_set_join(mdsetname_t *sp, md_error_t *ep);
1405 extern	int		meta_set_withdraw(mdsetname_t *sp, md_error_t *ep);
1406 extern	int		meta_reconfig_choose_master();
1407 extern	int		meta_mnsync_user_records(mdsetname_t *sp,
1408 			    md_error_t *ep);
1409 extern	int		meta_mnsync_diskset_mddbs(mdsetname_t *sp,
1410 			    md_error_t *ep);
1411 extern	int		meta_mnjoin_all(mdsetname_t *sp, md_error_t *ep);
1412 extern	int		meta_getandsetmaster(mdsetname_t *sp,
1413 			    md_mnset_record *mnsr, md_set_desc *sd,
1414 			    md_error_t *ep);
1415 extern	int		meta_devid_use(md_error_t *ep);
1416 
1417 /* meta_set_drv.c */
1418 extern	int		meta_make_sidenmlist(mdsetname_t *,
1419 			    mddrivename_t *, md_error_t *);
1420 extern	int		meta_set_adddrives(mdsetname_t *sp,
1421 			    mddrivenamelist_t *dnlp, daddr_t dbsize,
1422 			    int force_label, md_error_t *ep);
1423 extern	int		meta_set_deletedrives(mdsetname_t *sp,
1424 			    mddrivenamelist_t *dnlp, int forceflg,
1425 			    md_error_t *ep);
1426 
1427 /* meta_set_hst.c */
1428 extern	int		meta_set_checkname(char *setname, md_error_t *ep);
1429 extern	int		meta_set_addhosts(mdsetname_t *sp, int multi_node,
1430 			    int node_c, char **node_v, int auto_take,
1431 			    md_error_t *ep);
1432 extern	int		meta_set_deletehosts(mdsetname_t *sp, int node_c,
1433 			    char **node_v, int forceflg, md_error_t *ep);
1434 extern	int		meta_set_auto_take(mdsetname_t *sp, int take_val,
1435 			    md_error_t *ep);
1436 
1437 /* meta_set_med.c */
1438 extern	int		meta_set_addmeds(mdsetname_t *sp, int node_c,
1439 			    char **node_v, md_error_t *ep);
1440 extern	int		meta_set_deletemeds(mdsetname_t *sp, int node_c,
1441 			    char **node_v, int forceflg, md_error_t *ep);
1442 
1443 /* meta_set_tkr.c */
1444 extern	int		meta_set_take(mdsetname_t *sp, mhd_mhiargs_t *mhiargsp,
1445 			    int flags, int usetag, md_error_t *ep);
1446 extern	int		meta_set_release(mdsetname_t *sp, md_error_t *ep);
1447 extern	int		meta_update_mb(mdsetname_t *sp, md_drive_desc *dd,
1448 			    md_error_t *ep);
1449 
1450 /* meta_setup.c */
1451 extern	char		*myname;
1452 extern	FILE		*metalogfp;
1453 extern	int		metasyslog;
1454 extern	uint_t		verbosity;
1455 extern	hrtime_t	start_time;
1456 extern	sigset_t	allsigs;
1457 #define	ANYSIG		allsigs
1458 extern	char		*meta_lock_name(set_t setno);
1459 extern	int		meta_unlock(mdsetname_t *sp, md_error_t *ep);
1460 extern	int		meta_lock(mdsetname_t *sp, int print_status,
1461 			    md_error_t *ep);
1462 extern	int		meta_lock_nowait(mdsetname_t *sp, md_error_t *ep);
1463 extern	int		meta_lock_status(mdsetname_t *sp, md_error_t *ep);
1464 extern	int		md_daemonize(mdsetname_t *sp, md_error_t *ep);
1465 extern	void		md_exit(mdsetname_t *sp, int eval);
1466 extern	void		md_post_sig(int sig);
1467 extern	int		md_got_sig(void);
1468 extern	int		md_which_sig(void);
1469 extern	void		md_rb_sig_handling_on(void);
1470 extern	void		md_rb_sig_handling_off(int sig_seen, int sig);
1471 extern	void		setup_mc_log(uint_t level);
1472 extern	int		md_init(int argc, char *argv[],
1473 			    int dosyslog, int doadmin, md_error_t *ep);
1474 extern	int		md_init_nosig(int argc, char *argv[],
1475 			    int dosyslog, int doadmin, md_error_t *ep);
1476 
1477 extern	int		md_init_daemon(char *name, md_error_t *ep);
1478 
1479 /* meta_smf.c */
1480 extern	int		meta_smf_enable(uint_t flags, md_error_t *ep);
1481 extern	int		meta_smf_disable(uint_t flags, md_error_t *ep);
1482 extern	int		meta_smf_isonline(uint_t flags, md_error_t *ep);
1483 extern	int		meta_smf_getmask();
1484 
1485 /* meta_sp.c */
1486 extern	int		meta_get_sp_names(mdsetname_t *sp, mdnamelist_t **nlpp,
1487 			    int options, md_error_t *ep);
1488 extern	int		meta_check_insp(mdsetname_t *sp, mdname_t *np,
1489 			    diskaddr_t slblk, diskaddr_t nblks, md_error_t *ep);
1490 extern	int		meta_sp_print(mdsetname_t *sp, mdname_t *np,
1491 			    mdnamelist_t **nlpp, char *fname, FILE *fp,
1492 			    mdprtopts_t options, md_error_t *ep);
1493 extern	md_sp_t		*meta_get_sp_common(mdsetname_t *sp, mdname_t *np,
1494 			    int fast, md_error_t *ep);
1495 extern	md_sp_t		*meta_get_sp(mdsetname_t *sp, mdname_t *np,
1496 			    md_error_t *ep);
1497 extern	int		meta_init_sp(mdsetname_t **spp, int argc, char *argv[],
1498 			    mdcmdopts_t options, md_error_t *ep);
1499 extern	void		meta_free_sp(md_sp_t *spp);
1500 extern	int		meta_sp_issp(mdsetname_t *sp, mdname_t *np,
1501 			    md_error_t *ep);
1502 extern	int		meta_sp_reset(mdsetname_t *sp, mdname_t *np,
1503 			    mdcmdopts_t options, md_error_t *ep);
1504 extern	int		meta_sp_reset_component(mdsetname_t *sp, char *name,
1505 			    mdcmdopts_t options, md_error_t *ep);
1506 extern	int		meta_sp_attach(mdsetname_t *sp, mdname_t *np,
1507 			    char *addsize, mdcmdopts_t options,
1508 			    sp_ext_length_t alignment, md_error_t *ep);
1509 extern	int		meta_recover_sp(mdsetname_t *sp, mdname_t *np, int argc,
1510 			    char *argv[], mdcmdopts_t options, md_error_t *ep);
1511 extern boolean_t	meta_sp_can_create_sps(mdsetname_t *mdsetnamep,
1512 				mdname_t *mdnamep, int number_of_sps,
1513 				blkcnt_t sp_size);
1514 extern boolean_t	meta_sp_can_create_sps_on_drive(mdsetname_t *mdsetnamep,
1515 				mddrivename_t *mddrivenamep, int number_of_sps,
1516 				blkcnt_t sp_size);
1517 extern blkcnt_t		meta_sp_get_free_space(mdsetname_t *mdsetnamep,
1518 				mdname_t *mdnamep);
1519 extern blkcnt_t		meta_sp_get_free_space_on_drive(mdsetname_t *mdsetnamep,
1520 				mddrivename_t *mddrivenamep);
1521 extern int 		meta_sp_get_number_of_possible_sps(
1522 				mdsetname_t *mdsetnamep, mdname_t *mdnamep,
1523 				blkcnt_t sp_size);
1524 extern int 		meta_sp_get_number_of_possible_sps_on_drive(
1525 				mdsetname_t *mdsetnamep,
1526 				mddrivename_t *mddrivenamep, blkcnt_t sp_size);
1527 extern blkcnt_t		meta_sp_get_possible_sp_size(mdsetname_t *mdsetnamep,
1528 				mdname_t *mdnamep, int number_of_sps);
1529 extern blkcnt_t		meta_sp_get_possible_sp_size_on_drive(
1530 				mdsetname_t *mdsetnamep,
1531 				mddrivename_t *mddrivenamep, int number_of_sps);
1532 extern int		meta_sp_setstatus(mdsetname_t *sp, minor_t *minors,
1533 			    int num_units, sp_status_t status, md_error_t *ep);
1534 extern int		meta_sp_parsesize(char *s, sp_ext_length_t *szp);
1535 extern int		meta_sp_update_abr(mdsetname_t *sp, md_error_t *ep);
1536 extern void		*meta_mn_sp_update_abr(void *arg);
1537 
1538 /* meta_stat.c */
1539 extern	int		meta_stat(const char *, struct stat *);
1540 extern	void		metaflushstatcache(void);
1541 
1542 /* meta_stripe.c */
1543 extern	int		meta_stripe_replace(mdsetname_t *sp, mdname_t *stripenp,
1544 			    mdname_t *oldnp, mdname_t *newnp,
1545 			    mdcmdopts_t options, md_error_t *ep);
1546 extern	int		meta_get_stripe_names(mdsetname_t *sp,
1547 			    mdnamelist_t **nlpp, int options, md_error_t *ep);
1548 extern	void		meta_free_stripe(md_stripe_t *stripep);
1549 extern	md_stripe_t	*meta_get_stripe_common(mdsetname_t *sp,
1550 			    mdname_t *stripenp, int fast, md_error_t *ep);
1551 extern	md_stripe_t	*meta_get_stripe(mdsetname_t *sp, mdname_t *stripenp,
1552 			    md_error_t *ep);
1553 extern	int		meta_check_instripe(mdsetname_t *sp, mdname_t *np,
1554 			    diskaddr_t slblk, diskaddr_t nblks, md_error_t *ep);
1555 extern	int		meta_check_component(mdsetname_t *sp, mdname_t *np,
1556 			    int force, md_error_t *ep);
1557 extern	char		*comp_state_to_name(md_comp_t *mdcp,
1558 			    md_timeval32_t *tvp, uint_t tstate);
1559 extern	int		meta_print_stripe_options(mdhspname_t *hspnamep,
1560 			    char *fname, FILE *fp, md_error_t *ep);
1561 extern	int		meta_stripe_print(mdsetname_t *sp, mdname_t *stripenp,
1562 			    mdnamelist_t **nlpp, char *fname, FILE *fp,
1563 			    mdprtopts_t options, md_error_t *ep);
1564 extern	int		meta_find_erred_comp(mdsetname_t *sp,
1565 			    mdname_t *stripenp, mdname_t **compnpp,
1566 			    comp_state_t *compstate, md_error_t *ep);
1567 extern	int		meta_stripe_attach(mdsetname_t *sp, mdname_t *stripenp,
1568 			    mdnamelist_t *nlp, diskaddr_t interlace,
1569 			    mdcmdopts_t options, md_error_t *ep);
1570 extern	int		meta_stripe_get_params(mdsetname_t *sp,
1571 			    mdname_t *stripenp, ms_params_t *paramsp,
1572 			    md_error_t *ep);
1573 extern	int		meta_stripe_set_params(mdsetname_t *sp,
1574 			    mdname_t *stripenp, ms_params_t *paramsp,
1575 			    md_error_t *ep);
1576 extern	diskaddr_t		meta_default_stripe_interlace(void);
1577 extern	int		meta_stripe_check_interlace(diskaddr_t interlace,
1578 				char *uname, md_error_t *ep);
1579 extern	int		meta_check_stripe(mdsetname_t *sp,
1580 			    md_stripe_t *stripep, mdcmdopts_t options,
1581 			    md_error_t *ep);
1582 extern	int		meta_create_stripe(mdsetname_t *sp,
1583 			    md_stripe_t *stripep, mdcmdopts_t options,
1584 			    md_error_t *ep);
1585 extern	int		meta_init_stripe(mdsetname_t **spp,
1586 			    int argc, char *argv[], mdcmdopts_t options,
1587 			    md_error_t *ep);
1588 extern	int		meta_stripe_reset(mdsetname_t *sp, mdname_t *stripenp,
1589 			    mdcmdopts_t options, md_error_t *ep);
1590 extern	int		meta_stripe_anycomp_is_err(mdsetname_t *,
1591 			    mdnamelist_t *);
1592 
1593 /* meta_systemfile.c */
1594 extern	int		meta_systemfile_copy(char *sname, int doroot,
1595 			    int domddb, int doit, int verbose, char **tname,
1596 			    FILE **tfp, md_error_t *ep);
1597 extern	int		meta_systemfile_append_mdroot(mdname_t *rootnp,
1598 			    char *sname, char *tname, FILE *tfp, int ismeta,
1599 			    int doit, int verbose, md_error_t *ep);
1600 extern	int		meta_systemfile_append_mddb(char *cname, char *sname,
1601 			    char *tname, FILE *tfp, int doit, int verbose,
1602 			    md_error_t *ep);
1603 
1604 /* meta_tab.c */
1605 extern	void		meta_tab_dump(md_tab_t *tabp, FILE *fp);
1606 extern	void		meta_tab_free(md_tab_t *tabp);
1607 extern	md_tab_t	*meta_tab_parse(char *filename, md_error_t *ep);
1608 extern	md_tab_line_t	*meta_tab_find(mdsetname_t *sp, md_tab_t *tabp,
1609 			    char *name, mdinittypes_t type);
1610 
1611 /* meta_trans.c */
1612 extern	int		meta_trans_replace(mdsetname_t *sp, mdname_t *transnp,
1613 			    mdname_t *oldnp, mdname_t *newnp,
1614 			    mdcmdopts_t options, md_error_t *ep);
1615 extern	int		meta_get_trans_names(mdsetname_t *sp,
1616 			    mdnamelist_t **nlpp, int options, md_error_t *ep);
1617 extern	void		meta_free_trans(md_trans_t *transp);
1618 extern	md_trans_t	*meta_get_trans(mdsetname_t *sp, mdname_t *transnp,
1619 			    md_error_t *ep);
1620 extern	md_trans_t	*meta_get_trans_common(mdsetname_t *sp,
1621 			    mdname_t *transnp, int fast, md_error_t *ep);
1622 extern	int		meta_check_intrans(mdsetname_t *sp, mdname_t *np,
1623 			    mdchkopts_t options, diskaddr_t slblk,
1624 			    diskaddr_t nblks, md_error_t *ep);
1625 extern	int		meta_check_master(mdsetname_t *sp, mdname_t *np,
1626 			    int force, md_error_t *ep);
1627 extern	int		meta_check_log(mdsetname_t *sp, mdname_t *np,
1628 			    md_error_t *ep);
1629 extern	char		*mt_l_error_to_name(md_trans_t *transp,
1630 			    md_timeval32_t *tvp, uint_t tstate);
1631 extern	char		*mt_flags_to_name(md_trans_t *transp,
1632 			    md_timeval32_t *tvp, uint_t tstate);
1633 extern	char		*mt_flags_to_action(md_trans_t *transp);
1634 extern	char		*mt_l_error_to_action(
1635 				mdsetname_t	*sp,
1636 				mdnamelist_t	*transnlp,
1637 				mdname_t	*lognamep,
1638 				md_error_t	*ep);
1639 extern	int		meta_trans_print(mdsetname_t *sp, mdname_t *transnp,
1640 			    mdnamelist_t **nlistpp, char *fname, FILE *fp,
1641 			    mdprtopts_t options, int *meta_print_trans_msgp,
1642 			    mdnamelist_t **lognlpp, md_error_t *ep);
1643 extern	int		meta_logs_print(mdsetname_t *sp, mdnamelist_t *lognlp,
1644 			    mdnamelist_t **nlistpp, char *fname, FILE *fp,
1645 			    mdprtopts_t options, md_error_t *ep);
1646 extern	int		meta_trans_attach(mdsetname_t *sp, mdname_t *transnp,
1647 			    mdname_t *lognp, mdcmdopts_t options,
1648 			    md_error_t *ep);
1649 extern	int		meta_trans_detach(mdsetname_t *sp, mdname_t *transnp,
1650 			    mdcmdopts_t options, int *delayed, md_error_t *ep);
1651 extern	int		meta_check_trans(mdsetname_t *sp, md_trans_t *transp,
1652 			    mdcmdopts_t options, md_error_t *ep);
1653 extern	int		meta_create_trans(mdsetname_t *sp, md_trans_t *transp,
1654 			    mdcmdopts_t options, char *uname, md_error_t *ep);
1655 extern	int		meta_init_trans(mdsetname_t **spp,
1656 			    int argc, char *argv[], mdcmdopts_t options,
1657 			    md_error_t *ep);
1658 extern	int		meta_trans_reset(mdsetname_t *sp, mdname_t *transnp,
1659 			    mdcmdopts_t options, md_error_t *ep);
1660 
1661 /* meta_userflags.c */
1662 extern int		meta_getuserflags(mdsetname_t *sp, mdname_t *np,
1663 			    uint_t *userflags, md_error_t *ep);
1664 extern int		meta_setuserflags(mdsetname_t *sp, mdname_t *np,
1665 			    uint_t userflags, md_error_t *ep);
1666 
1667 /* metarpcopen.c */
1668 extern CLIENT		*meta_client_create_retry(char *hostname,
1669 				clnt_create_func_t func, void *data,
1670 				time_t tout, md_error_t *ep);
1671 extern	CLIENT		*meta_client_create(char *host, rpcprog_t prognum,
1672 				rpcvers_t version, char *nettype);
1673 extern	CLIENT		*metarpcopen(char *hostname, long time_out,
1674 			    md_error_t *ep);
1675 extern	void		metarpcclose(CLIENT *clntp);
1676 extern	void		metarpccloseall(void);
1677 
1678 /* metasplitname.c */
1679 extern	int		splitname(char *devname, md_splitname *splitname);
1680 extern	char		*splicename(md_splitname *splitname);
1681 
1682 /* meta_notify.c */
1683 extern	int		meta_notify_createq(char *qname, ulong_t flags,
1684 			    md_error_t *ep);
1685 extern	int		meta_notify_deleteq(char *qname, md_error_t *ep);
1686 extern	int		meta_notify_validq(char *qname, md_error_t *ep);
1687 extern	int		meta_notify_listq(char ***qnames, md_error_t *ep);
1688 extern	int		meta_notify_flushq(char *qname, md_error_t *ep);
1689 
1690 extern	int		meta_notify_getev(char *qname, ulong_t flags,
1691 			    md_ev_t *evp, md_error_t *ep);
1692 extern	int		meta_notify_getevlist(char *qname, ulong_t flags,
1693 			    md_evlist_t **evlpp, md_error_t *ep);
1694 extern	int		meta_notify_putev(md_ev_t *evp, md_error_t *ep);
1695 extern	int		meta_notify_putevlist(md_evlist_t *evlistp,
1696 			    md_error_t *ep);
1697 extern	void		meta_notify_freeevlist(md_evlist_t *evlp);
1698 
1699 extern	int		meta_notify_sendev(ev_obj_t tag, set_t set,
1700 			    md_dev64_t dev, evid_t event);
1701 
1702 extern	int		meta_exchange(mdsetname_t *, mdname_t *, mdname_t *,
1703 			    mdcmdopts_t, md_error_t *);
1704 extern	int		meta_rename(mdsetname_t *, mdname_t *, mdname_t *,
1705 			    mdcmdopts_t, md_error_t *);
1706 /* meta_se_notify.c */
1707 extern  void		meta_svm_sysevent(char *se_class, char *se_subclass,
1708 			    uint32_t tag, set_t setno, md_dev64_t devid);
1709 
1710 /* metgetroot.c */
1711 extern  void		*meta_get_current_root(md_error_t *ep);
1712 extern  mdname_t	*meta_get_current_root_dev(mdsetname_t *sp,
1713 			    md_error_t *ep);
1714 
1715 /* meta_time.c */
1716 extern  int		meta_gettimeofday(md_timeval32_t *tv);
1717 
1718 /* meta_devadm.c */
1719 extern	int		meta_fixdevid(mdsetname_t *sp, mddevopts_t options,
1720 			    char *diskname, md_error_t *ep);
1721 extern	int		meta_upd_ctdnames(mdsetname_t **sp, set_t setno,
1722 			    side_t sideno, mddrivename_t *dnp, char **newname,
1723 			    md_error_t *ep);
1724 extern  int		pathname_reload(mdsetname_t **sp, set_t setno,
1725 			    md_error_t *ep);
1726 
1727 /* meta_mn_comm.c */
1728 extern int		mdmn_send_message(set_t setno, md_mn_msgtype_t type,
1729 			    uint_t flags, char *data, int size,
1730 			    md_mn_result_t **resp, md_error_t *ep);
1731 extern int		mdmn_send_message_with_msgid(set_t setno,
1732 			    md_mn_msgtype_t type, uint_t flags, char *data,
1733 			    int size, md_mn_result_t **resp,
1734 			    md_mn_msgid_t *msgid, md_error_t *ep);
1735 extern int		mdmn_create_msgid(md_mn_msgid_t *id);
1736 extern int		mdmn_reinit_set(set_t setno);
1737 extern int		mdmn_resume(set_t setno, md_mn_msgclass_t class,
1738 			    uint_t flags);
1739 extern int		mdmn_suspend(set_t setno, md_mn_msgclass_t class);
1740 extern int		mdmn_msgtype_lock(md_mn_msgtype_t msgtype,
1741 			    uint_t locktype);
1742 extern void		mdmn_abort(void);
1743 extern md_mn_result_t	*copy_result(md_mn_result_t *res);
1744 extern void		free_result(md_mn_result_t *res);
1745 extern md_mn_msg_t	*copy_msg(md_mn_msg_t *src, md_mn_msg_t *dest);
1746 
1747 /* meta_import.c */
1748 extern	int		read_master_block(md_error_t *ep, int fd, void *bp,
1749 			    int bsize);
1750 extern	int		read_database_block(md_error_t *, int, mddb_mb_t *, int,
1751 			    void *, int);
1752 extern	daddr_t		getphysblk(mddb_block_t, mddb_mb_t *);
1753 
1754 typedef struct md_im_names {
1755 	int	min_count;
1756 	char	**min_names;
1757 } md_im_names_t;
1758 
1759 /* Values for replica info status */
1760 #define	MD_IM_REPLICA_SCANNED	(0x01)
1761 #define	MD_IM_REPLICA_VALID	(0x02)
1762 
1763 typedef struct md_im_replica_info {
1764 	struct md_im_replica_info	*mir_next;
1765 	int				mir_status;
1766 	int				mir_flags;
1767 	daddr32_t			mir_offset;
1768 	daddr32_t			mir_length;
1769 	md_timeval32_t			mir_timestamp;
1770 } md_im_replica_info_t;
1771 
1772 typedef struct md_im_drive_info {
1773 	struct md_im_drive_info		*mid_next; /* next drive in this set */
1774 	mddrivename_t			*mid_dnp;
1775 	void 				*mid_devid;
1776 	void				*mid_o_devid;
1777 	int				mid_devid_sz;
1778 	int				mid_o_devid_sz;
1779 	char				mid_minor_name[MDDB_MINOR_NAME_MAX];
1780 	md_timeval32_t			mid_setcreatetimestamp;
1781 	char				*mid_devname;
1782 	md_im_replica_info_t		*mid_replicas;
1783 	struct md_im_drive_info		*overlap; /* chain of overlap disks */
1784 } md_im_drive_info_t;
1785 
1786 /* Values for set descriptor flags */
1787 #define	MD_IM_SET_INVALID	0x01
1788 #define	MD_IM_SET_REPLICATED	0x02
1789 
1790 typedef struct md_im_set_desc {
1791 	struct md_im_set_desc		*mis_next;
1792 	int				mis_flags;
1793 	int				mis_oldsetno;
1794 	md_im_drive_info_t		*mis_drives;
1795 	int				mis_active_replicas;
1796 } md_im_set_desc_t;
1797 
1798 /*
1799  * pnm_rec is used to store the mapping from keys in the NM namespace
1800  * to actual physical devices.  The current name of a physical device, used
1801  * by a set that can be imported, can be retrieved by matching the did_key
1802  * (deviceID entry) in the DID_SHR_NM namespace to the min_devid_key in the
1803  * DID_NM namespace(the did_key to the min_key).  Then matching the min_key
1804  * in the DID_NM namespace to the n_key in the NM namespace.
1805  *
1806  * n_name is defined to be an array, so that only one malloc is needed for the
1807  * entire datastructure.
1808  */
1809 typedef struct pnm_rec {
1810 	mdkey_t		n_key;  /* The n_key/min_key value */
1811 	struct pnm_rec	*next;
1812 	ushort_t	n_namlen;
1813 	char		n_name[1]; /* The name of the physical device */
1814 } pnm_rec_t;
1815 
1816 /* Indentation value for metaimport output */
1817 #define	META_INDENT			4
1818 
1819 /* Flags for metaimport reporting */
1820 #define	META_IMP_REPORT		0x0001
1821 #define	META_IMP_VERBOSE	0x0002
1822 
1823 extern	int			meta_list_disks(md_error_t *, md_im_names_t *);
1824 extern	mddrivenamelist_t	*meta_prune_cnames(md_error_t *,
1825 				    md_im_names_t *, int);
1826 extern	int			meta_get_and_report_set_info(
1827 				    mddrivenamelist_t *, md_im_set_desc_t **,
1828 				    int, uint_t, int *, md_error_t *);
1829 extern	void			free_pnm_rec_list(pnm_rec_t **);
1830 extern	int			meta_imp_set(md_im_set_desc_t *,
1831 				    char *, int, bool_t, md_error_t *);
1832 extern	int			meta_imp_drvused(mdsetname_t *sp,
1833 				    mddrivename_t *dnp, md_error_t *ep);
1834 
1835 /* Flags for direction in copy_msg_1 */
1836 #define	MD_MN_COPY_TO_ONDISK 0x0001
1837 #define	MD_MN_COPY_TO_INCORE 0x0002
1838 
1839 extern void		copy_msg_1(md_mn_msg_t *incorep,
1840 			    md_mn_msg_od_t *ondiskp, int direction);
1841 extern void		free_msg(md_mn_msg_t *msg);
1842 
1843 extern md_mn_msgclass_t	mdmn_get_message_class(md_mn_msgtype_t msgtype);
1844 extern void		(*mdmn_get_handler(md_mn_msgtype_t msgtype))
1845 			    (md_mn_msg_t *msg, uint_t flags,
1846 			    md_mn_result_t *res);
1847 extern int		(*mdmn_get_submessage_generator(md_mn_msgtype_t type))
1848 			    (md_mn_msg_t *msg, md_mn_msg_t **msglist);
1849 extern time_t		mdmn_get_timeout(md_mn_msgtype_t msgtype);
1850 
1851 extern	int		meta_read_nodelist(int *nodecnt,
1852 			    mndiskset_membershiplist_t **nl, md_error_t *ep);
1853 extern	int		meta_write_nodelist(int nodecnt, char **nids,
1854 			    md_error_t *ep);
1855 extern	void		meta_free_nodelist(mndiskset_membershiplist_t *nl);
1856 
1857 /* Values for set descriptor flags */
1858 #define	MD_IM_SET_INVALID	0x01
1859 
1860 /* meta_mn_subr.c */
1861 /* defines for flags argument for meta_mn_send_command() */
1862 #define	MD_DISP_STDERR			0x0000
1863 #define	MD_IGNORE_STDERR		0x0001
1864 #define	MD_DRYRUN			0x0002
1865 #define	MD_RETRY_BUSY			0x0004
1866 #define	MD_NOLOG			0x0008
1867 #define	MD_PANIC_WHEN_INCONSISTENT	0x0010
1868 
1869 /* define for initall_context argument for meta_mn_send_command() */
1870 #define	NO_CONTEXT_STRING	NULL
1871 
1872 extern int		meta_is_mn_set(mdsetname_t *sp, md_error_t *ep);
1873 extern int		meta_is_mn_name(mdsetname_t **sp, char *name,
1874 			    md_error_t *ep);
1875 extern void		meta_ping_mnset(set_t setno);
1876 extern int		meta_mn_send_command(mdsetname_t *sp, int argc,
1877 			    char *argv[], int flags, char *initall_context,
1878 			    md_error_t *ep);
1879 extern int		meta_mn_send_suspend_writes(minor_t mnum,
1880 			    md_error_t *ep);
1881 extern int		meta_mn_send_setsync(mdsetname_t *sp,
1882 			    mdname_t *mirnp, daddr_t size, md_error_t *ep);
1883 extern int		meta_mn_send_metaclear_command(mdsetname_t *sp,
1884 			    char *name, mdcmdopts_t options, int pflag,
1885 			    md_error_t *ep);
1886 extern int		meta_mn_send_resync_starting(mdname_t *mirnp,
1887 			    md_error_t *ep);
1888 extern int		meta_mn_change_owner(md_set_mmown_params_t **opp,
1889 			    set_t setno, uint_t mnum, uint_t owner,
1890 			    uint_t flags);
1891 extern int		meta_mn_singlenode(void);
1892 extern int		meta_mn_send_get_tstate(md_dev64_t dev, uint_t *tstatep,
1893 			    md_error_t *ep);
1894 /* meta_set_prv.c */
1895 extern int		setup_db_bydd(mdsetname_t *sp, md_drive_desc *dd,
1896 			    int force, md_error_t *ep);
1897 extern int		snarf_set(mdsetname_t *sp, bool_t stale_bool,
1898 			    md_error_t *ep);
1899 extern int		halt_set(mdsetname_t *sp, md_error_t *ep);
1900 
1901 #ifdef	__cplusplus
1902 }
1903 #endif
1904 
1905 #endif	/* _META_H */
1906 
1907 /* meta_statconcise.c */
1908 extern  void		print_concise_entry(int indent, char *name,
1909 			    diskaddr_t size, char mtype);
1910 extern	char		*meta_get_raid_col_state(rcs_state_t);
1911 extern	char		*meta_get_stripe_state(comp_state_t);
1912 extern	char		*meta_get_hs_state(hotspare_states_t);
1913 extern	int		report_metastat_info(mddb_mb_t *, mddb_lb_t *,
1914 			    mddb_rb_t *, pnm_rec_t **, mdname_t *, int,
1915 			    md_timeval32_t *, md_error_t *);
1916